6012 lines
163 KiB
C
6012 lines
163 KiB
C
/*
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* Compton - a compositor for X11
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*
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* Based on `xcompmgr` - Copyright (c) 2003, Keith Packard
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*
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* Copyright (c) 2011-2013, Christopher Jeffrey
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* See LICENSE for more information.
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*
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*/
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#include <ctype.h>
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#include <string.h>
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#include <xcb/randr.h>
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#include <xcb/damage.h>
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#include <xcb/render.h>
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#include <xcb/xcb_image.h>
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#include "compton.h"
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#include "win.h"
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#include "x.h"
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#include "config.h"
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static void
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configure_win(session_t *ps, xcb_configure_notify_event_t *ce);
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static bool
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xr_blur_dst(session_t *ps, xcb_render_picture_t tgt_buffer,
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int x, int y, int wid, int hei, xcb_render_fixed_t **blur_kerns,
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XserverRegion reg_clip);
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static void
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get_cfg(session_t *ps, int argc, char *const *argv, bool first_pass);
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static void
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update_refresh_rate(session_t *ps);
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static bool
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swopti_init(session_t *ps);
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static void
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swopti_handle_timeout(session_t *ps, struct timeval *ptv);
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static void
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cxinerama_upd_scrs(session_t *ps);
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static void
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session_destroy(session_t *ps);
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static void
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reset_enable(int __attribute__((unused)) signum);
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#ifdef CONFIG_XINERAMA
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static void
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cxinerama_upd_scrs(session_t *ps);
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#endif
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static bool
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vsync_drm_init(session_t *ps);
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#ifdef CONFIG_VSYNC_DRM
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static int
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vsync_drm_wait(session_t *ps);
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#endif
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static bool
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vsync_opengl_init(session_t *ps);
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static bool
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vsync_opengl_oml_init(session_t *ps);
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static bool
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vsync_opengl_swc_init(session_t *ps);
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static bool
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vsync_opengl_mswc_init(session_t *ps);
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#ifdef CONFIG_OPENGL
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static int
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vsync_opengl_wait(session_t *ps);
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static int
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vsync_opengl_oml_wait(session_t *ps);
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static void
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vsync_opengl_swc_deinit(session_t *ps);
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static void
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vsync_opengl_mswc_deinit(session_t *ps);
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#endif
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static void
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vsync_wait(session_t *ps);
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static void
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redir_start(session_t *ps);
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static void
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redir_stop(session_t *ps);
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static win *
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recheck_focus(session_t *ps);
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static bool
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get_root_tile(session_t *ps);
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static void
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finish_map_win(session_t *ps, win *w);
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static double
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get_opacity_percent(win *w);
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static void
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restack_win(session_t *ps, win *w, Window new_above);
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static void
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destroy_callback(session_t *ps, win *w);
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static void
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update_ewmh_active_win(session_t *ps);
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// === Global constants ===
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/// Name strings for window types.
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const char * const WINTYPES[NUM_WINTYPES] = {
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"unknown",
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"desktop",
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"dock",
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"toolbar",
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"menu",
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"utility",
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"splash",
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"dialog",
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"normal",
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"dropdown_menu",
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"popup_menu",
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"tooltip",
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"notify",
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"combo",
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"dnd",
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};
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/// Names of VSync modes.
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const char * const VSYNC_STRS[NUM_VSYNC + 1] = {
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"none", // VSYNC_NONE
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"drm", // VSYNC_DRM
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"opengl", // VSYNC_OPENGL
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"opengl-oml", // VSYNC_OPENGL_OML
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"opengl-swc", // VSYNC_OPENGL_SWC
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"opengl-mswc", // VSYNC_OPENGL_MSWC
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NULL
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};
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/// Names of backends.
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const char * const BACKEND_STRS[NUM_BKEND + 1] = {
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"xrender", // BKEND_XRENDER
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"glx", // BKEND_GLX
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"xr_glx_hybrid",// BKEND_XR_GLX_HYBRID
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NULL
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};
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/// Function pointers to init VSync modes.
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static bool (* const (VSYNC_FUNCS_INIT[NUM_VSYNC]))(session_t *ps) = {
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[VSYNC_DRM ] = vsync_drm_init,
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[VSYNC_OPENGL ] = vsync_opengl_init,
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[VSYNC_OPENGL_OML ] = vsync_opengl_oml_init,
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[VSYNC_OPENGL_SWC ] = vsync_opengl_swc_init,
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[VSYNC_OPENGL_MSWC ] = vsync_opengl_mswc_init,
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};
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/// Function pointers to wait for VSync.
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static int (* const (VSYNC_FUNCS_WAIT[NUM_VSYNC]))(session_t *ps) = {
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#ifdef CONFIG_VSYNC_DRM
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[VSYNC_DRM ] = vsync_drm_wait,
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#endif
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#ifdef CONFIG_OPENGL
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[VSYNC_OPENGL ] = vsync_opengl_wait,
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[VSYNC_OPENGL_OML ] = vsync_opengl_oml_wait,
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#endif
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};
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/// Function pointers to deinitialize VSync.
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static void (* const (VSYNC_FUNCS_DEINIT[NUM_VSYNC]))(session_t *ps) = {
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#ifdef CONFIG_OPENGL
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[VSYNC_OPENGL_SWC ] = vsync_opengl_swc_deinit,
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[VSYNC_OPENGL_MSWC ] = vsync_opengl_mswc_deinit,
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#endif
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};
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/// Names of root window properties that could point to a pixmap of
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/// background.
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static const char *background_props_str[] = {
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"_XROOTPMAP_ID",
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"_XSETROOT_ID",
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0,
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};
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// === Global variables ===
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/// Pointer to current session, as a global variable. Only used by
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/// <code>error()</code> and <code>reset_enable()</code>, which could not
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/// have a pointer to current session passed in.
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session_t *ps_g = NULL;
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/**
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* Check if current backend uses XRender for rendering.
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*/
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static inline bool
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bkend_use_xrender(session_t *ps) {
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return BKEND_XRENDER == ps->o.backend
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|| BKEND_XR_GLX_HYBRID == ps->o.backend;
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}
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/**
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* Check whether a paint_t contains enough data.
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*/
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static inline bool
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paint_isvalid(session_t *ps, const paint_t *ppaint) {
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// Don't check for presence of Pixmap here, because older X Composite doesn't
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// provide it
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if (!ppaint)
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return false;
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if (bkend_use_xrender(ps) && !ppaint->pict)
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return false;
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#ifdef CONFIG_OPENGL
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if (BKEND_GLX == ps->o.backend && !glx_tex_binded(ppaint->ptex, None))
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return false;
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#endif
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return true;
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}
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void add_damage(session_t *ps, XserverRegion damage) {
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// Ignore damage when screen isn't redirected
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if (!ps->redirected)
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free_region(ps, &damage);
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if (!damage) return;
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if (ps->all_damage) {
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XFixesUnionRegion(ps->dpy, ps->all_damage, ps->all_damage, damage);
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XFixesDestroyRegion(ps->dpy, damage);
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} else {
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ps->all_damage = damage;
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}
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}
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#define CPY_FDS(key) \
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fd_set * key = NULL; \
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if (ps->key) { \
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key = malloc(sizeof(fd_set)); \
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memcpy(key, ps->key, sizeof(fd_set)); \
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if (!key) { \
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fprintf(stderr, "Failed to allocate memory for copying select() fdset.\n"); \
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exit(1); \
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} \
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} \
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/**
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* Poll for changes.
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*
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* poll() is much better than select(), but ppoll() does not exist on
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* *BSD.
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*/
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static inline int
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fds_poll(session_t *ps, struct timeval *ptv) {
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// Copy fds
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CPY_FDS(pfds_read);
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CPY_FDS(pfds_write);
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CPY_FDS(pfds_except);
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int ret = select(ps->nfds_max, pfds_read, pfds_write, pfds_except, ptv);
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free(pfds_read);
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free(pfds_write);
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free(pfds_except);
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return ret;
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}
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#undef CPY_FDS
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// === Fading ===
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/**
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* Get the time left before next fading point.
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*
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* In milliseconds.
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*/
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static int
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fade_timeout(session_t *ps) {
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int diff = ps->o.fade_delta - get_time_ms() + ps->fade_time;
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diff = normalize_i_range(diff, 0, ps->o.fade_delta * 2);
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return diff;
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}
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/**
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* Run fading on a window.
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*
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* @param steps steps of fading
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*/
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static void
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run_fade(session_t *ps, win *w, unsigned steps) {
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// If we have reached target opacity, return
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if (w->opacity == w->opacity_tgt) {
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return;
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}
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if (!w->fade)
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w->opacity = w->opacity_tgt;
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else if (steps) {
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// Use double below because opacity_t will probably overflow during
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// calculations
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if (w->opacity < w->opacity_tgt)
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w->opacity = normalize_d_range(
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(double) w->opacity + (double) ps->o.fade_in_step * steps,
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0.0, w->opacity_tgt);
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else
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w->opacity = normalize_d_range(
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(double) w->opacity - (double) ps->o.fade_out_step * steps,
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w->opacity_tgt, OPAQUE);
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}
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if (w->opacity != w->opacity_tgt) {
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ps->idling = false;
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}
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}
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/**
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* Set fade callback of a window, and possibly execute the previous
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* callback.
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*
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* @param exec_callback whether the previous callback is to be executed
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*/
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void set_fade_callback(session_t *ps, win *w,
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void (*callback) (session_t *ps, win *w), bool exec_callback) {
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void (*old_callback) (session_t *ps, win *w) = w->fade_callback;
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w->fade_callback = callback;
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// Must be the last line as the callback could destroy w!
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if (exec_callback && old_callback) {
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old_callback(ps, w);
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// Although currently no callback function affects window state on
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// next paint, it could, in the future
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ps->idling = false;
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}
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}
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// === Shadows ===
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static double __attribute__((const))
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gaussian(double r, double x, double y) {
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return ((1 / (sqrt(2 * M_PI * r))) *
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exp((- (x * x + y * y)) / (2 * r * r)));
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}
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static conv *
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make_gaussian_map(double r) {
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conv *c;
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int size = ((int) ceil((r * 3)) + 1) & ~1;
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int center = size / 2;
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int x, y;
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double t;
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double g;
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c = malloc(sizeof(conv) + size * size * sizeof(double));
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c->size = size;
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c->data = (double *) (c + 1);
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t = 0.0;
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for (y = 0; y < size; y++) {
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for (x = 0; x < size; x++) {
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g = gaussian(r, x - center, y - center);
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t += g;
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c->data[y * size + x] = g;
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}
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}
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for (y = 0; y < size; y++) {
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for (x = 0; x < size; x++) {
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c->data[y * size + x] /= t;
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}
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}
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return c;
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}
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/*
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* A picture will help
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*
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* -center 0 width width+center
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* -center +-----+-------------------+-----+
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* | | | |
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* | | | |
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* 0 +-----+-------------------+-----+
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* | | | |
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* | | | |
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* | | | |
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* height +-----+-------------------+-----+
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* | | | |
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* height+ | | | |
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* center +-----+-------------------+-----+
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*/
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static unsigned char
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sum_gaussian(conv *map, double opacity,
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int x, int y, int width, int height) {
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int fx, fy;
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double *g_data;
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double *g_line = map->data;
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int g_size = map->size;
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int center = g_size / 2;
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int fx_start, fx_end;
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int fy_start, fy_end;
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double v;
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/*
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* Compute set of filter values which are "in range",
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* that's the set with:
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* 0 <= x + (fx-center) && x + (fx-center) < width &&
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* 0 <= y + (fy-center) && y + (fy-center) < height
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*
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* 0 <= x + (fx - center) x + fx - center < width
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* center - x <= fx fx < width + center - x
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*/
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fx_start = center - x;
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if (fx_start < 0) fx_start = 0;
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fx_end = width + center - x;
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if (fx_end > g_size) fx_end = g_size;
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fy_start = center - y;
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if (fy_start < 0) fy_start = 0;
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fy_end = height + center - y;
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if (fy_end > g_size) fy_end = g_size;
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g_line = g_line + fy_start * g_size + fx_start;
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v = 0;
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for (fy = fy_start; fy < fy_end; fy++) {
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g_data = g_line;
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g_line += g_size;
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for (fx = fx_start; fx < fx_end; fx++) {
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v += *g_data++;
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}
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}
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if (v > 1) v = 1;
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return ((unsigned char) (v * opacity * 255.0));
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}
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/* precompute shadow corners and sides
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to save time for large windows */
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static void
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presum_gaussian(session_t *ps, conv *map) {
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int center = map->size / 2;
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int opacity, x, y;
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ps->cgsize = map->size;
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if (ps->shadow_corner)
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free(ps->shadow_corner);
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if (ps->shadow_top)
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free(ps->shadow_top);
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ps->shadow_corner = malloc((ps->cgsize + 1) * (ps->cgsize + 1) * 26);
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ps->shadow_top = malloc((ps->cgsize + 1) * 26);
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for (x = 0; x <= ps->cgsize; x++) {
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ps->shadow_top[25 * (ps->cgsize + 1) + x] =
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sum_gaussian(map, 1, x - center, center, ps->cgsize * 2, ps->cgsize * 2);
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for (opacity = 0; opacity < 25; opacity++) {
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ps->shadow_top[opacity * (ps->cgsize + 1) + x] =
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ps->shadow_top[25 * (ps->cgsize + 1) + x] * opacity / 25;
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}
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for (y = 0; y <= x; y++) {
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ps->shadow_corner[25 * (ps->cgsize + 1) * (ps->cgsize + 1) + y * (ps->cgsize + 1) + x]
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= sum_gaussian(map, 1, x - center, y - center, ps->cgsize * 2, ps->cgsize * 2);
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ps->shadow_corner[25 * (ps->cgsize + 1) * (ps->cgsize + 1) + x * (ps->cgsize + 1) + y]
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= ps->shadow_corner[25 * (ps->cgsize + 1) * (ps->cgsize + 1) + y * (ps->cgsize + 1) + x];
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for (opacity = 0; opacity < 25; opacity++) {
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ps->shadow_corner[opacity * (ps->cgsize + 1) * (ps->cgsize + 1)
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+ y * (ps->cgsize + 1) + x]
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= ps->shadow_corner[opacity * (ps->cgsize + 1) * (ps->cgsize + 1)
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+ x * (ps->cgsize + 1) + y]
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= ps->shadow_corner[25 * (ps->cgsize + 1) * (ps->cgsize + 1)
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+ y * (ps->cgsize + 1) + x] * opacity / 25;
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}
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}
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}
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}
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static xcb_image_t *
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make_shadow(session_t *ps, double opacity,
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int width, int height) {
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xcb_image_t *ximage;
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int ylimit, xlimit;
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int swidth = width + ps->cgsize;
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int sheight = height + ps->cgsize;
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int center = ps->cgsize / 2;
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int x, y;
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unsigned char d;
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int x_diff;
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int opacity_int = (int)(opacity * 25);
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xcb_connection_t *c = XGetXCBConnection(ps->dpy);
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ximage = xcb_image_create_native(c, swidth, sheight, XCB_IMAGE_FORMAT_Z_PIXMAP, 8,
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0, 0, NULL);
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if (!ximage) {
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printf_errf("(): failed to create an X image");
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return 0;
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}
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unsigned char *data = ximage->data;
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uint32_t sstride = ximage->stride;
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/*
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* Build the gaussian in sections
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*/
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/*
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* center (fill the complete data array)
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*/
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// XXX If the center part of the shadow would be entirely covered by
|
|
// the body of the window, we shouldn't need to fill the center here.
|
|
// XXX In general, we want to just fill the part that is not behind
|
|
// the window, in order to reduce CPU load and make transparent window
|
|
// look correct
|
|
if (ps->cgsize > 0) {
|
|
d = ps->shadow_top[opacity_int * (ps->cgsize + 1) + ps->cgsize];
|
|
} else {
|
|
d = sum_gaussian(ps->gaussian_map,
|
|
opacity, center, center, width, height);
|
|
}
|
|
memset(data, d, sheight * swidth);
|
|
|
|
/*
|
|
* corners
|
|
*/
|
|
|
|
ylimit = ps->cgsize;
|
|
if (ylimit > sheight / 2) ylimit = (sheight + 1) / 2;
|
|
|
|
xlimit = ps->cgsize;
|
|
if (xlimit > swidth / 2) xlimit = (swidth + 1) / 2;
|
|
|
|
for (y = 0; y < ylimit; y++) {
|
|
for (x = 0; x < xlimit; x++) {
|
|
if (xlimit == ps->cgsize && ylimit == ps->cgsize) {
|
|
d = ps->shadow_corner[opacity_int * (ps->cgsize + 1) * (ps->cgsize + 1)
|
|
+ y * (ps->cgsize + 1) + x];
|
|
} else {
|
|
d = sum_gaussian(ps->gaussian_map,
|
|
opacity, x - center, y - center, width, height);
|
|
}
|
|
data[y * sstride + x] = d;
|
|
data[(sheight - y - 1) * sstride + x] = d;
|
|
data[(sheight - y - 1) * sstride + (swidth - x - 1)] = d;
|
|
data[y * sstride + (swidth - x - 1)] = d;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* top/bottom
|
|
*/
|
|
|
|
x_diff = swidth - (ps->cgsize * 2);
|
|
if (x_diff > 0 && ylimit > 0) {
|
|
for (y = 0; y < ylimit; y++) {
|
|
if (ylimit == ps->cgsize) {
|
|
d = ps->shadow_top[opacity_int * (ps->cgsize + 1) + y];
|
|
} else {
|
|
d = sum_gaussian(ps->gaussian_map,
|
|
opacity, center, y - center, width, height);
|
|
}
|
|
memset(&data[y * sstride + ps->cgsize], d, x_diff);
|
|
memset(&data[(sheight - y - 1) * sstride + ps->cgsize], d, x_diff);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* sides
|
|
*/
|
|
|
|
for (x = 0; x < xlimit; x++) {
|
|
if (xlimit == ps->cgsize) {
|
|
d = ps->shadow_top[opacity_int * (ps->cgsize + 1) + x];
|
|
} else {
|
|
d = sum_gaussian(ps->gaussian_map,
|
|
opacity, x - center, center, width, height);
|
|
}
|
|
for (y = ps->cgsize; y < sheight - ps->cgsize; y++) {
|
|
data[y * sstride + x] = d;
|
|
data[y * sstride + (swidth - x - 1)] = d;
|
|
}
|
|
}
|
|
|
|
return ximage;
|
|
}
|
|
|
|
/**
|
|
* Generate shadow <code>Picture</code> for a window.
|
|
*/
|
|
static bool
|
|
win_build_shadow(session_t *ps, win *w, double opacity) {
|
|
const int width = w->widthb;
|
|
const int height = w->heightb;
|
|
|
|
xcb_image_t *shadow_image = NULL;
|
|
Pixmap shadow_pixmap = None, shadow_pixmap_argb = None;
|
|
xcb_render_picture_t shadow_picture = None, shadow_picture_argb = None;
|
|
GC gc = None;
|
|
xcb_connection_t *c = XGetXCBConnection(ps->dpy);
|
|
|
|
shadow_image = make_shadow(ps, opacity, width, height);
|
|
if (!shadow_image) {
|
|
printf_errf("(): failed to make shadow");
|
|
return None;
|
|
}
|
|
|
|
shadow_pixmap = create_pixmap(ps, 8, ps->root, shadow_image->width, shadow_image->height);
|
|
shadow_pixmap_argb = create_pixmap(ps, 32, ps->root, shadow_image->width, shadow_image->height);
|
|
|
|
if (!shadow_pixmap || !shadow_pixmap_argb) {
|
|
printf_errf("(): failed to create shadow pixmaps");
|
|
goto shadow_picture_err;
|
|
}
|
|
|
|
shadow_picture = x_create_picture_with_standard_and_pixmap(ps,
|
|
XCB_PICT_STANDARD_A_8, shadow_pixmap, 0, NULL);
|
|
shadow_picture_argb = x_create_picture_with_standard_and_pixmap(ps,
|
|
XCB_PICT_STANDARD_ARGB_32, shadow_pixmap_argb, 0, NULL);
|
|
if (!shadow_picture || !shadow_picture_argb)
|
|
goto shadow_picture_err;
|
|
|
|
gc = XCreateGC(ps->dpy, shadow_pixmap, 0, 0);
|
|
if (!gc) {
|
|
printf_errf("(): failed to create graphic context");
|
|
goto shadow_picture_err;
|
|
}
|
|
|
|
xcb_image_put(c, shadow_pixmap, XGContextFromGC(gc), shadow_image, 0, 0, 0);
|
|
xcb_render_composite(c, XCB_RENDER_PICT_OP_SRC, ps->cshadow_picture, shadow_picture,
|
|
shadow_picture_argb, 0, 0, 0, 0, 0, 0,
|
|
shadow_image->width, shadow_image->height);
|
|
|
|
assert(!w->shadow_paint.pixmap);
|
|
w->shadow_paint.pixmap = shadow_pixmap_argb;
|
|
assert(!w->shadow_paint.pict);
|
|
w->shadow_paint.pict = shadow_picture_argb;
|
|
|
|
// Sync it once and only once
|
|
xr_sync(ps, w->shadow_paint.pixmap, NULL);
|
|
|
|
XFreeGC(ps->dpy, gc);
|
|
xcb_image_destroy(shadow_image);
|
|
xcb_free_pixmap(c, shadow_pixmap);
|
|
xcb_render_free_picture(c, shadow_picture);
|
|
|
|
return true;
|
|
|
|
shadow_picture_err:
|
|
if (shadow_image)
|
|
xcb_image_destroy(shadow_image);
|
|
if (shadow_pixmap)
|
|
xcb_free_pixmap(c, shadow_pixmap);
|
|
if (shadow_pixmap_argb)
|
|
xcb_free_pixmap(c, shadow_pixmap_argb);
|
|
if (shadow_picture)
|
|
xcb_render_free_picture(c, shadow_picture);
|
|
if (shadow_picture_argb)
|
|
xcb_render_free_picture(c, shadow_picture_argb);
|
|
if (gc)
|
|
XFreeGC(ps->dpy, gc);
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Generate a 1x1 <code>Picture</code> of a particular color.
|
|
*/
|
|
static xcb_render_picture_t
|
|
solid_picture(session_t *ps, bool argb, double a,
|
|
double r, double g, double b) {
|
|
Pixmap pixmap;
|
|
xcb_render_picture_t picture;
|
|
xcb_render_create_picture_value_list_t pa;
|
|
xcb_render_color_t col;
|
|
xcb_rectangle_t rect;
|
|
xcb_connection_t *c = XGetXCBConnection(ps->dpy);
|
|
|
|
pixmap = create_pixmap(ps, argb ? 32 : 8, ps->root, 1, 1);
|
|
if (!pixmap) return None;
|
|
|
|
pa.repeat = True;
|
|
picture = x_create_picture_with_standard_and_pixmap(ps,
|
|
argb ? XCB_PICT_STANDARD_ARGB_32 : XCB_PICT_STANDARD_A_8, pixmap,
|
|
XCB_RENDER_CP_REPEAT, &pa);
|
|
|
|
if (!picture) {
|
|
xcb_free_pixmap(c, pixmap);
|
|
return None;
|
|
}
|
|
|
|
col.alpha = a * 0xffff;
|
|
col.red = r * 0xffff;
|
|
col.green = g * 0xffff;
|
|
col.blue = b * 0xffff;
|
|
|
|
rect.x = 0;
|
|
rect.y = 0;
|
|
rect.width = 1;
|
|
rect.height = 1;
|
|
|
|
xcb_render_fill_rectangles(c, XCB_RENDER_PICT_OP_SRC, picture, col, 1, &rect);
|
|
xcb_free_pixmap(c, pixmap);
|
|
|
|
return picture;
|
|
}
|
|
|
|
// === Error handling ===
|
|
|
|
static void
|
|
discard_ignore(session_t *ps, unsigned long sequence) {
|
|
while (ps->ignore_head) {
|
|
if (sequence > ps->ignore_head->sequence) {
|
|
ignore_t *next = ps->ignore_head->next;
|
|
free(ps->ignore_head);
|
|
ps->ignore_head = next;
|
|
if (!ps->ignore_head) {
|
|
ps->ignore_tail = &ps->ignore_head;
|
|
}
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
static int
|
|
should_ignore(session_t *ps, unsigned long sequence) {
|
|
discard_ignore(ps, sequence);
|
|
return ps->ignore_head && ps->ignore_head->sequence == sequence;
|
|
}
|
|
|
|
// === Windows ===
|
|
|
|
/**
|
|
* Determine the event mask for a window.
|
|
*/
|
|
long determine_evmask(session_t *ps, Window wid, win_evmode_t mode) {
|
|
long evmask = NoEventMask;
|
|
win *w = NULL;
|
|
|
|
// Check if it's a mapped frame window
|
|
if (WIN_EVMODE_FRAME == mode
|
|
|| ((w = find_win(ps, wid)) && IsViewable == w->a.map_state)) {
|
|
evmask |= PropertyChangeMask;
|
|
if (ps->o.track_focus && !ps->o.use_ewmh_active_win)
|
|
evmask |= FocusChangeMask;
|
|
}
|
|
|
|
// Check if it's a mapped client window
|
|
if (WIN_EVMODE_CLIENT == mode
|
|
|| ((w = find_toplevel(ps, wid)) && IsViewable == w->a.map_state)) {
|
|
if (ps->o.frame_opacity || ps->o.track_wdata || ps->track_atom_lst
|
|
|| ps->o.detect_client_opacity)
|
|
evmask |= PropertyChangeMask;
|
|
}
|
|
|
|
return evmask;
|
|
}
|
|
|
|
/**
|
|
* Find out the WM frame of a client window by querying X.
|
|
*
|
|
* @param ps current session
|
|
* @param wid window ID
|
|
* @return struct _win object of the found window, NULL if not found
|
|
*/
|
|
win *find_toplevel2(session_t *ps, Window wid) {
|
|
// TODO this should probably be an "update tree", then find_toplevel.
|
|
// current approach is a bit more "racy"
|
|
win *w = NULL;
|
|
|
|
// We traverse through its ancestors to find out the frame
|
|
while (wid && wid != ps->root && !(w = find_win(ps, wid))) {
|
|
Window troot;
|
|
Window parent;
|
|
Window *tchildren;
|
|
unsigned tnchildren;
|
|
|
|
// XQueryTree probably fails if you run compton when X is somehow
|
|
// initializing (like add it in .xinitrc). In this case
|
|
// just leave it alone.
|
|
if (!XQueryTree(ps->dpy, wid, &troot, &parent, &tchildren,
|
|
&tnchildren)) {
|
|
parent = 0;
|
|
break;
|
|
}
|
|
|
|
cxfree(tchildren);
|
|
|
|
wid = parent;
|
|
}
|
|
|
|
return w;
|
|
}
|
|
|
|
/**
|
|
* Recheck currently focused window and set its <code>w->focused</code>
|
|
* to true.
|
|
*
|
|
* @param ps current session
|
|
* @return struct _win of currently focused window, NULL if not found
|
|
*/
|
|
static win *
|
|
recheck_focus(session_t *ps) {
|
|
// Use EWMH _NET_ACTIVE_WINDOW if enabled
|
|
if (ps->o.use_ewmh_active_win) {
|
|
update_ewmh_active_win(ps);
|
|
return ps->active_win;
|
|
}
|
|
|
|
// Determine the currently focused window so we can apply appropriate
|
|
// opacity on it
|
|
Window wid = 0;
|
|
int revert_to;
|
|
|
|
XGetInputFocus(ps->dpy, &wid, &revert_to);
|
|
|
|
win *w = find_win_all(ps, wid);
|
|
|
|
#ifdef DEBUG_EVENTS
|
|
print_timestamp(ps);
|
|
printf_dbgf("(): %#010lx (%#010lx \"%s\") focused.\n", wid,
|
|
(w ? w->id: None), (w ? w->name: NULL));
|
|
#endif
|
|
|
|
// And we set the focus state here
|
|
if (w) {
|
|
win_set_focused(ps, w, true);
|
|
return w;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static bool
|
|
get_root_tile(session_t *ps) {
|
|
/*
|
|
if (ps->o.paint_on_overlay) {
|
|
return ps->root_picture;
|
|
} */
|
|
xcb_connection_t *c = XGetXCBConnection(ps->dpy);
|
|
|
|
assert(!ps->root_tile_paint.pixmap);
|
|
ps->root_tile_fill = false;
|
|
|
|
bool fill = false;
|
|
Pixmap pixmap = None;
|
|
|
|
// Get the values of background attributes
|
|
for (int p = 0; background_props_str[p]; p++) {
|
|
winprop_t prop = wid_get_prop(ps, ps->root,
|
|
get_atom(ps, background_props_str[p]),
|
|
1L, XA_PIXMAP, 32);
|
|
if (prop.nitems) {
|
|
pixmap = *prop.data.p32;
|
|
fill = false;
|
|
free_winprop(&prop);
|
|
break;
|
|
}
|
|
free_winprop(&prop);
|
|
}
|
|
|
|
// Make sure the pixmap we got is valid
|
|
if (pixmap && !validate_pixmap(ps, pixmap))
|
|
pixmap = None;
|
|
|
|
// Create a pixmap if there isn't any
|
|
if (!pixmap) {
|
|
pixmap = create_pixmap(ps, ps->depth, ps->root, 1, 1);
|
|
if (pixmap == XCB_NONE) {
|
|
fprintf(stderr, "Failed to create some pixmap\n");
|
|
exit(1);
|
|
}
|
|
fill = true;
|
|
}
|
|
|
|
// Create Picture
|
|
xcb_render_create_picture_value_list_t pa = {
|
|
.repeat = True,
|
|
};
|
|
ps->root_tile_paint.pict = x_create_picture_with_visual_and_pixmap(
|
|
ps, ps->vis, pixmap, XCB_RENDER_CP_REPEAT, &pa);
|
|
|
|
// Fill pixmap if needed
|
|
if (fill) {
|
|
xcb_render_color_t col;
|
|
xcb_rectangle_t rect;
|
|
|
|
col.red = col.green = col.blue = 0x8080;
|
|
col.alpha = 0xffff;
|
|
|
|
rect.x = rect.y = 0;
|
|
rect.width = rect.height = 1;
|
|
|
|
xcb_render_fill_rectangles(c, XCB_RENDER_PICT_OP_SRC, ps->root_tile_paint.pict, col, 1, &rect);
|
|
}
|
|
|
|
ps->root_tile_fill = fill;
|
|
ps->root_tile_paint.pixmap = pixmap;
|
|
#ifdef CONFIG_OPENGL
|
|
if (BKEND_GLX == ps->o.backend)
|
|
return glx_bind_pixmap(ps, &ps->root_tile_paint.ptex, ps->root_tile_paint.pixmap, 0, 0, 0);
|
|
#endif
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Paint root window content.
|
|
*/
|
|
static void
|
|
paint_root(session_t *ps, XserverRegion reg_paint) {
|
|
if (!ps->root_tile_paint.pixmap)
|
|
get_root_tile(ps);
|
|
|
|
win_render(ps, NULL, 0, 0, ps->root_width, ps->root_height, 1.0, reg_paint,
|
|
NULL, ps->root_tile_paint.pict);
|
|
}
|
|
|
|
/**
|
|
* Look for the client window of a particular window.
|
|
*/
|
|
Window
|
|
find_client_win(session_t *ps, Window w) {
|
|
if (wid_has_prop(ps, w, ps->atom_client)) {
|
|
return w;
|
|
}
|
|
|
|
Window *children;
|
|
unsigned int nchildren;
|
|
unsigned int i;
|
|
Window ret = 0;
|
|
|
|
if (!wid_get_children(ps, w, &children, &nchildren)) {
|
|
return 0;
|
|
}
|
|
|
|
for (i = 0; i < nchildren; ++i) {
|
|
if ((ret = find_client_win(ps, children[i])))
|
|
break;
|
|
}
|
|
|
|
cxfree(children);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* Get alpha <code>Picture</code> for an opacity in <code>double</code>.
|
|
*/
|
|
static inline xcb_render_picture_t
|
|
get_alpha_pict_d(session_t *ps, double o) {
|
|
assert((round(normalize_d(o) / ps->o.alpha_step)) <= round(1.0 / ps->o.alpha_step));
|
|
return ps->alpha_picts[(int) (round(normalize_d(o)
|
|
/ ps->o.alpha_step))];
|
|
}
|
|
|
|
/**
|
|
* Get alpha <code>Picture</code> for an opacity in
|
|
* <code>opacity_t</code>.
|
|
*/
|
|
static inline xcb_render_picture_t
|
|
get_alpha_pict_o(session_t *ps, opacity_t o) {
|
|
return get_alpha_pict_d(ps, (double) o / OPAQUE);
|
|
}
|
|
|
|
static win *
|
|
paint_preprocess(session_t *ps, win *list) {
|
|
win *t = NULL, *next = NULL;
|
|
|
|
// Fading step calculation
|
|
time_ms_t steps = 0L;
|
|
if (ps->fade_time) {
|
|
steps = ((get_time_ms() - ps->fade_time) + FADE_DELTA_TOLERANCE * ps->o.fade_delta) / ps->o.fade_delta;
|
|
}
|
|
// Reset fade_time if unset, or there appears to be a time disorder
|
|
if (!ps->fade_time || steps < 0L) {
|
|
ps->fade_time = get_time_ms();
|
|
steps = 0L;
|
|
}
|
|
ps->fade_time += steps * ps->o.fade_delta;
|
|
|
|
XserverRegion last_reg_ignore = None;
|
|
|
|
bool unredir_possible = false;
|
|
// Trace whether it's the highest window to paint
|
|
bool is_highest = true;
|
|
for (win *w = list; w; w = next) {
|
|
bool to_paint = true;
|
|
const winmode_t mode_old = w->mode;
|
|
|
|
// In case calling the fade callback function destroys this window
|
|
next = w->next;
|
|
opacity_t opacity_old = w->opacity;
|
|
|
|
// Data expiration
|
|
{
|
|
// Remove built shadow if needed
|
|
if (w->flags & WFLAG_SIZE_CHANGE)
|
|
free_paint(ps, &w->shadow_paint);
|
|
|
|
// Destroy reg_ignore on all windows if they should expire
|
|
if (ps->reg_ignore_expire)
|
|
free_region(ps, &w->reg_ignore);
|
|
}
|
|
|
|
//printf_errf("(): %d %d %s", w->a.map_state, w->ever_damaged, w->name);
|
|
// Restore flags from last paint if the window is being faded out
|
|
if (IsUnmapped == w->a.map_state) {
|
|
win_set_shadow(ps, w, w->shadow_last);
|
|
w->fade = w->fade_last;
|
|
win_set_invert_color(ps, w, w->invert_color_last);
|
|
win_set_blur_background(ps, w, w->blur_background_last);
|
|
}
|
|
|
|
// Update window opacity target and dim state if asked
|
|
if (WFLAG_OPCT_CHANGE & w->flags) {
|
|
win_calc_opacity(ps, w);
|
|
win_calc_dim(ps, w);
|
|
}
|
|
|
|
// Run fading
|
|
run_fade(ps, w, steps);
|
|
|
|
// Opacity will not change, from now on.
|
|
|
|
// Give up if it's not damaged or invisible, or it's unmapped and its
|
|
// pixmap is gone (for example due to a ConfigureNotify), or when it's
|
|
// excluded
|
|
if (!w->ever_damaged
|
|
|| w->g.x + w->g.width < 1 || w->g.y + w->g.height < 1
|
|
|| w->g.x >= ps->root_width || w->g.y >= ps->root_height
|
|
|| ((IsUnmapped == w->a.map_state || w->destroyed) && !w->paint.pixmap)
|
|
|| get_alpha_pict_o(ps, w->opacity) == ps->alpha_picts[0]
|
|
|| w->paint_excluded)
|
|
to_paint = false;
|
|
|
|
// to_paint will never change afterward
|
|
|
|
// Determine mode as early as possible
|
|
if (to_paint && (!w->to_paint || w->opacity != opacity_old))
|
|
win_determine_mode(ps, w);
|
|
|
|
if (to_paint) {
|
|
// Fetch bounding region
|
|
if (!w->border_size)
|
|
w->border_size = win_border_size(ps, w, true);
|
|
|
|
// Fetch window extents
|
|
if (!w->extents)
|
|
w->extents = win_extents(ps, w);
|
|
|
|
// Calculate frame_opacity
|
|
{
|
|
double frame_opacity_old = w->frame_opacity;
|
|
|
|
if (ps->o.frame_opacity && 1.0 != ps->o.frame_opacity
|
|
&& win_has_frame(w))
|
|
w->frame_opacity = get_opacity_percent(w) *
|
|
ps->o.frame_opacity;
|
|
else
|
|
w->frame_opacity = 0.0;
|
|
|
|
// Destroy all reg_ignore above when frame opaque state changes on
|
|
// SOLID mode
|
|
if (w->to_paint && WMODE_SOLID == mode_old
|
|
&& (0.0 == frame_opacity_old) != (0.0 == w->frame_opacity))
|
|
ps->reg_ignore_expire = true;
|
|
}
|
|
|
|
// Calculate shadow opacity
|
|
if (w->frame_opacity)
|
|
w->shadow_opacity = ps->o.shadow_opacity * w->frame_opacity;
|
|
else
|
|
w->shadow_opacity = ps->o.shadow_opacity * get_opacity_percent(w);
|
|
}
|
|
|
|
// Add window to damaged area if its painting status changes
|
|
// or opacity changes
|
|
if (to_paint != w->to_paint || w->opacity != opacity_old)
|
|
add_damage_from_win(ps, w);
|
|
|
|
// Destroy all reg_ignore above when window mode changes
|
|
if ((to_paint && WMODE_SOLID == w->mode)
|
|
!= (w->to_paint && WMODE_SOLID == mode_old))
|
|
ps->reg_ignore_expire = true;
|
|
|
|
if (to_paint) {
|
|
// Generate ignore region for painting to reduce GPU load
|
|
if (ps->reg_ignore_expire || !w->to_paint) {
|
|
free_region(ps, &w->reg_ignore);
|
|
|
|
// If the window is solid, we add the window region to the
|
|
// ignored region
|
|
if (win_is_solid(ps, w)) {
|
|
if (!w->frame_opacity) {
|
|
if (w->border_size)
|
|
w->reg_ignore = copy_region(ps, w->border_size);
|
|
else
|
|
w->reg_ignore = win_get_region(ps, w, true);
|
|
}
|
|
else {
|
|
w->reg_ignore = win_get_region_noframe(ps, w, true);
|
|
if (w->border_size)
|
|
XFixesIntersectRegion(ps->dpy, w->reg_ignore, w->reg_ignore,
|
|
w->border_size);
|
|
}
|
|
|
|
if (last_reg_ignore)
|
|
XFixesUnionRegion(ps->dpy, w->reg_ignore, w->reg_ignore,
|
|
last_reg_ignore);
|
|
}
|
|
// Otherwise we copy the last region over
|
|
else if (last_reg_ignore)
|
|
w->reg_ignore = copy_region(ps, last_reg_ignore);
|
|
else
|
|
w->reg_ignore = None;
|
|
}
|
|
|
|
last_reg_ignore = w->reg_ignore;
|
|
|
|
// (Un)redirect screen
|
|
// We could definitely unredirect the screen when there's no window to
|
|
// paint, but this is typically unnecessary, may cause flickering when
|
|
// fading is enabled, and could create inconsistency when the wallpaper
|
|
// is not correctly set.
|
|
if (ps->o.unredir_if_possible && is_highest && to_paint) {
|
|
is_highest = false;
|
|
if (win_is_solid(ps, w)
|
|
&& (!w->frame_opacity || !win_has_frame(w))
|
|
&& win_is_fullscreen(ps, w)
|
|
&& !w->unredir_if_possible_excluded)
|
|
unredir_possible = true;
|
|
}
|
|
|
|
// Reset flags
|
|
w->flags = 0;
|
|
}
|
|
|
|
// Avoid setting w->to_paint if w is to be freed
|
|
bool destroyed = (w->opacity_tgt == w->opacity && w->destroyed);
|
|
|
|
if (to_paint) {
|
|
w->prev_trans = t;
|
|
t = w;
|
|
}
|
|
else {
|
|
assert(w->destroyed == (w->fade_callback == destroy_callback));
|
|
check_fade_fin(ps, w);
|
|
}
|
|
|
|
if (!destroyed) {
|
|
w->to_paint = to_paint;
|
|
|
|
if (w->to_paint) {
|
|
// Save flags
|
|
w->shadow_last = w->shadow;
|
|
w->fade_last = w->fade;
|
|
w->invert_color_last = w->invert_color;
|
|
w->blur_background_last = w->blur_background;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
// If possible, unredirect all windows and stop painting
|
|
if (UNSET != ps->o.redirected_force)
|
|
unredir_possible = !ps->o.redirected_force;
|
|
|
|
// If there's no window to paint, and the screen isn't redirected,
|
|
// don't redirect it.
|
|
if (ps->o.unredir_if_possible && is_highest && !ps->redirected)
|
|
unredir_possible = true;
|
|
if (unredir_possible) {
|
|
if (ps->redirected) {
|
|
if (!ps->o.unredir_if_possible_delay || ps->tmout_unredir_hit)
|
|
redir_stop(ps);
|
|
else if (!ps->tmout_unredir->enabled) {
|
|
timeout_reset(ps, ps->tmout_unredir);
|
|
ps->tmout_unredir->enabled = true;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
ps->tmout_unredir->enabled = false;
|
|
redir_start(ps);
|
|
}
|
|
|
|
return t;
|
|
}
|
|
|
|
/**
|
|
* Paint the shadow of a window.
|
|
*/
|
|
static inline void
|
|
win_paint_shadow(session_t *ps, win *w,
|
|
XserverRegion reg_paint, const reg_data_t *pcache_reg) {
|
|
// Bind shadow pixmap to GLX texture if needed
|
|
paint_bind_tex(ps, &w->shadow_paint, 0, 0, 32, false);
|
|
|
|
if (!paint_isvalid(ps, &w->shadow_paint)) {
|
|
printf_errf("(%#010lx): Missing shadow data.", w->id);
|
|
return;
|
|
}
|
|
|
|
render(ps, 0, 0, w->g.x + w->shadow_dx, w->g.y + w->shadow_dy,
|
|
w->shadow_width, w->shadow_height, w->shadow_opacity, true, false,
|
|
w->shadow_paint.pict, w->shadow_paint.ptex, reg_paint, pcache_reg, NULL);
|
|
}
|
|
|
|
/**
|
|
* @brief Blur an area on a buffer.
|
|
*
|
|
* @param ps current session
|
|
* @param tgt_buffer a buffer as both source and destination
|
|
* @param x x pos
|
|
* @param y y pos
|
|
* @param wid width
|
|
* @param hei height
|
|
* @param blur_kerns blur kernels, ending with a NULL, guaranteed to have at
|
|
* least one kernel
|
|
* @param reg_clip a clipping region to be applied on intermediate buffers
|
|
*
|
|
* @return true if successful, false otherwise
|
|
*/
|
|
static bool
|
|
xr_blur_dst(session_t *ps, xcb_render_picture_t tgt_buffer,
|
|
int x, int y, int wid, int hei, xcb_render_fixed_t **blur_kerns,
|
|
XserverRegion reg_clip) {
|
|
xcb_connection_t *c = XGetXCBConnection(ps->dpy);
|
|
assert(blur_kerns[0]);
|
|
|
|
// Directly copying from tgt_buffer to it does not work, so we create a
|
|
// Picture in the middle.
|
|
xcb_render_picture_t tmp_picture = x_create_picture(ps, wid, hei, NULL, 0, NULL);
|
|
|
|
if (!tmp_picture) {
|
|
printf_errf("(): Failed to build intermediate Picture.");
|
|
return false;
|
|
}
|
|
|
|
if (reg_clip && tmp_picture)
|
|
XFixesSetPictureClipRegion(ps->dpy, tmp_picture, reg_clip, 0, 0);
|
|
|
|
xcb_render_picture_t src_pict = tgt_buffer, dst_pict = tmp_picture;
|
|
for (int i = 0; blur_kerns[i]; ++i) {
|
|
assert(i < MAX_BLUR_PASS - 1);
|
|
xcb_render_fixed_t *convolution_blur = blur_kerns[i];
|
|
int kwid = XFIXED_TO_DOUBLE(convolution_blur[0]),
|
|
khei = XFIXED_TO_DOUBLE(convolution_blur[1]);
|
|
bool rd_from_tgt = (tgt_buffer == src_pict);
|
|
|
|
// Copy from source picture to destination. The filter must
|
|
// be applied on source picture, to get the nearby pixels outside the
|
|
// window.
|
|
xcb_render_set_picture_filter(c, src_pict, strlen(XRFILTER_CONVOLUTION), XRFILTER_CONVOLUTION,
|
|
kwid * khei + 2, convolution_blur);
|
|
xcb_render_composite(c, XCB_RENDER_PICT_OP_SRC, src_pict, None, dst_pict,
|
|
(rd_from_tgt ? x: 0), (rd_from_tgt ? y: 0), 0, 0,
|
|
(rd_from_tgt ? 0: x), (rd_from_tgt ? 0: y), wid, hei);
|
|
xrfilter_reset(ps, src_pict);
|
|
|
|
{
|
|
XserverRegion tmp = src_pict;
|
|
src_pict = dst_pict;
|
|
dst_pict = tmp;
|
|
}
|
|
}
|
|
|
|
if (src_pict != tgt_buffer)
|
|
xcb_render_composite(c, XCB_RENDER_PICT_OP_SRC, src_pict, None, tgt_buffer,
|
|
0, 0, 0, 0, x, y, wid, hei);
|
|
|
|
free_picture(ps, &tmp_picture);
|
|
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
* WORK-IN-PROGRESS!
|
|
static void
|
|
xr_take_screenshot(session_t *ps) {
|
|
XImage *img = XGetImage(ps->dpy, get_tgt_window(ps), 0, 0,
|
|
ps->root_width, ps->root_height, AllPlanes, XYPixmap);
|
|
if (!img) {
|
|
printf_errf("(): Failed to get XImage.");
|
|
return NULL;
|
|
}
|
|
assert(0 == img->xoffset);
|
|
}
|
|
*/
|
|
|
|
/**
|
|
* Blur the background of a window.
|
|
*/
|
|
static inline void
|
|
win_blur_background(session_t *ps, win *w, xcb_render_picture_t tgt_buffer,
|
|
XserverRegion reg_paint, const reg_data_t *pcache_reg) {
|
|
const int x = w->g.x;
|
|
const int y = w->g.y;
|
|
const int wid = w->widthb;
|
|
const int hei = w->heightb;
|
|
|
|
double factor_center = 1.0;
|
|
// Adjust blur strength according to window opacity, to make it appear
|
|
// better during fading
|
|
if (!ps->o.blur_background_fixed) {
|
|
double pct = 1.0 - get_opacity_percent(w) * (1.0 - 1.0 / 9.0);
|
|
factor_center = pct * 8.0 / (1.1 - pct);
|
|
}
|
|
|
|
switch (ps->o.backend) {
|
|
case BKEND_XRENDER:
|
|
case BKEND_XR_GLX_HYBRID:
|
|
{
|
|
// Normalize blur kernels
|
|
for (int i = 0; i < MAX_BLUR_PASS; ++i) {
|
|
xcb_render_fixed_t *kern_src = ps->o.blur_kerns[i];
|
|
xcb_render_fixed_t *kern_dst = ps->blur_kerns_cache[i];
|
|
assert(i < MAX_BLUR_PASS);
|
|
if (!kern_src) {
|
|
assert(!kern_dst);
|
|
break;
|
|
}
|
|
|
|
assert(!kern_dst
|
|
|| (kern_src[0] == kern_dst[0] && kern_src[1] == kern_dst[1]));
|
|
|
|
// Skip for fixed factor_center if the cache exists already
|
|
if (ps->o.blur_background_fixed && kern_dst) continue;
|
|
|
|
int kwid = XFIXED_TO_DOUBLE(kern_src[0]),
|
|
khei = XFIXED_TO_DOUBLE(kern_src[1]);
|
|
|
|
// Allocate cache space if needed
|
|
if (!kern_dst) {
|
|
kern_dst = malloc((kwid * khei + 2) * sizeof(xcb_render_fixed_t));
|
|
if (!kern_dst) {
|
|
printf_errf("(): Failed to allocate memory for blur kernel.");
|
|
return;
|
|
}
|
|
ps->blur_kerns_cache[i] = kern_dst;
|
|
}
|
|
|
|
// Modify the factor of the center pixel
|
|
kern_src[2 + (khei / 2) * kwid + kwid / 2] =
|
|
DOUBLE_TO_XFIXED(factor_center);
|
|
|
|
// Copy over
|
|
memcpy(kern_dst, kern_src, (kwid * khei + 2) * sizeof(xcb_render_fixed_t));
|
|
normalize_conv_kern(kwid, khei, kern_dst + 2);
|
|
}
|
|
|
|
// Minimize the region we try to blur, if the window itself is not
|
|
// opaque, only the frame is.
|
|
XserverRegion reg_noframe = None;
|
|
if (win_is_solid(ps, w)) {
|
|
XserverRegion reg_all = win_border_size(ps, w, false);
|
|
reg_noframe = win_get_region_noframe(ps, w, false);
|
|
XFixesSubtractRegion(ps->dpy, reg_noframe, reg_all, reg_noframe);
|
|
free_region(ps, ®_all);
|
|
}
|
|
xr_blur_dst(ps, tgt_buffer, x, y, wid, hei, ps->blur_kerns_cache,
|
|
reg_noframe);
|
|
free_region(ps, ®_noframe);
|
|
}
|
|
break;
|
|
#ifdef CONFIG_OPENGL
|
|
case BKEND_GLX:
|
|
// TODO: Handle frame opacity
|
|
glx_blur_dst(ps, x, y, wid, hei, ps->psglx->z - 0.5, factor_center,
|
|
reg_paint, pcache_reg, &w->glx_blur_cache);
|
|
break;
|
|
#endif
|
|
default:
|
|
assert(0);
|
|
}
|
|
}
|
|
|
|
void
|
|
render(session_t *ps, int x, int y, int dx, int dy, int wid, int hei,
|
|
double opacity, bool argb, bool neg,
|
|
xcb_render_picture_t pict, glx_texture_t *ptex,
|
|
XserverRegion reg_paint, const reg_data_t *pcache_reg,
|
|
const glx_prog_main_t *pprogram)
|
|
{
|
|
xcb_connection_t *c = XGetXCBConnection(ps->dpy);
|
|
switch (ps->o.backend) {
|
|
case BKEND_XRENDER:
|
|
case BKEND_XR_GLX_HYBRID:
|
|
{
|
|
xcb_render_picture_t alpha_pict = get_alpha_pict_d(ps, opacity);
|
|
if (alpha_pict != ps->alpha_picts[0]) {
|
|
int op = ((!argb && !alpha_pict) ? XCB_RENDER_PICT_OP_SRC: XCB_RENDER_PICT_OP_OVER);
|
|
xcb_render_composite(c, op, pict, alpha_pict,
|
|
ps->tgt_buffer.pict, x, y, 0, 0, dx, dy, wid, hei);
|
|
}
|
|
break;
|
|
}
|
|
#ifdef CONFIG_OPENGL
|
|
case BKEND_GLX:
|
|
glx_render(ps, ptex, x, y, dx, dy, wid, hei,
|
|
ps->psglx->z, opacity, argb, neg, reg_paint, pcache_reg, pprogram);
|
|
ps->psglx->z += 1;
|
|
break;
|
|
#endif
|
|
default:
|
|
assert(0);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Paint a window itself and dim it if asked.
|
|
*/
|
|
static inline void
|
|
win_paint_win(session_t *ps, win *w, XserverRegion reg_paint,
|
|
const reg_data_t *pcache_reg) {
|
|
xcb_connection_t *c = XGetXCBConnection(ps->dpy);
|
|
glx_mark(ps, w->id, true);
|
|
|
|
// Fetch Pixmap
|
|
if (!w->paint.pixmap && ps->has_name_pixmap) {
|
|
w->paint.pixmap = xcb_generate_id(c);
|
|
set_ignore_cookie(ps,
|
|
xcb_composite_name_window_pixmap(c, w->id, w->paint.pixmap));
|
|
if (w->paint.pixmap)
|
|
free_fence(ps, &w->fence);
|
|
}
|
|
|
|
Drawable draw = w->paint.pixmap;
|
|
if (!draw)
|
|
draw = w->id;
|
|
|
|
// XRender: Build picture
|
|
if (bkend_use_xrender(ps) && !w->paint.pict) {
|
|
{
|
|
xcb_render_create_picture_value_list_t pa = {
|
|
.subwindowmode = IncludeInferiors,
|
|
};
|
|
|
|
w->paint.pict = x_create_picture_with_pictfmt_and_pixmap(ps, w->pictfmt,
|
|
draw, XCB_RENDER_CP_SUBWINDOW_MODE, &pa);
|
|
}
|
|
}
|
|
|
|
if (IsViewable == w->a.map_state)
|
|
xr_sync(ps, draw, &w->fence);
|
|
|
|
// GLX: Build texture
|
|
// Let glx_bind_pixmap() determine pixmap size, because if the user
|
|
// is resizing windows, the width and height we get may not be up-to-date,
|
|
// causing the jittering issue M4he reported in #7.
|
|
if (!paint_bind_tex(ps, &w->paint, 0, 0, 0,
|
|
(!ps->o.glx_no_rebind_pixmap && w->pixmap_damaged))) {
|
|
printf_errf("(%#010lx): Failed to bind texture. Expect troubles.", w->id);
|
|
}
|
|
w->pixmap_damaged = false;
|
|
|
|
if (!paint_isvalid(ps, &w->paint)) {
|
|
printf_errf("(%#010lx): Missing painting data. This is a bad sign.", w->id);
|
|
return;
|
|
}
|
|
|
|
const int x = w->g.x;
|
|
const int y = w->g.y;
|
|
const int wid = w->widthb;
|
|
const int hei = w->heightb;
|
|
|
|
xcb_render_picture_t pict = w->paint.pict;
|
|
|
|
// Invert window color, if required
|
|
if (bkend_use_xrender(ps) && w->invert_color) {
|
|
xcb_render_picture_t newpict = x_create_picture(ps, wid, hei, w->pictfmt, 0, NULL);
|
|
if (newpict) {
|
|
// Apply clipping region to save some CPU
|
|
if (reg_paint) {
|
|
XserverRegion reg = copy_region(ps, reg_paint);
|
|
XFixesTranslateRegion(ps->dpy, reg, -x, -y);
|
|
XFixesSetPictureClipRegion(ps->dpy, newpict, 0, 0, reg);
|
|
free_region(ps, ®);
|
|
}
|
|
|
|
xcb_render_composite(c, XCB_RENDER_PICT_OP_SRC, pict, None,
|
|
newpict, 0, 0, 0, 0, 0, 0, wid, hei);
|
|
xcb_render_composite(c, XCB_RENDER_PICT_OP_DIFFERENCE, ps->white_picture, None,
|
|
newpict, 0, 0, 0, 0, 0, 0, wid, hei);
|
|
// We use an extra PictOpInReverse operation to get correct pixel
|
|
// alpha. There could be a better solution.
|
|
if (win_has_alpha(w))
|
|
xcb_render_composite(c, XCB_RENDER_PICT_OP_IN_REVERSE, pict, None,
|
|
newpict, 0, 0, 0, 0, 0, 0, wid, hei);
|
|
pict = newpict;
|
|
}
|
|
}
|
|
|
|
const double dopacity = get_opacity_percent(w);
|
|
|
|
if (!w->frame_opacity) {
|
|
win_render(ps, w, 0, 0, wid, hei, dopacity, reg_paint, pcache_reg, pict);
|
|
}
|
|
else {
|
|
// Painting parameters
|
|
const margin_t extents = win_calc_frame_extents(ps, w);
|
|
const int t = extents.top;
|
|
const int l = extents.left;
|
|
const int b = extents.bottom;
|
|
const int r = extents.right;
|
|
|
|
#define COMP_BDR(cx, cy, cwid, chei) \
|
|
win_render(ps, w, (cx), (cy), (cwid), (chei), w->frame_opacity, \
|
|
reg_paint, pcache_reg, pict)
|
|
|
|
// The following complicated logic is required because some broken
|
|
// window managers (I'm talking about you, Openbox!) that makes
|
|
// top_width + bottom_width > height in some cases.
|
|
|
|
// top
|
|
int phei = min_i(t, hei);
|
|
if (phei > 0)
|
|
COMP_BDR(0, 0, wid, phei);
|
|
|
|
if (hei > t) {
|
|
phei = min_i(hei - t, b);
|
|
|
|
// bottom
|
|
if (phei > 0)
|
|
COMP_BDR(0, hei - phei, wid, phei);
|
|
|
|
phei = hei - t - phei;
|
|
if (phei > 0) {
|
|
int pwid = min_i(l, wid);
|
|
// left
|
|
if (pwid > 0)
|
|
COMP_BDR(0, t, pwid, phei);
|
|
|
|
if (wid > l) {
|
|
pwid = min_i(wid - l, r);
|
|
|
|
// right
|
|
if (pwid > 0)
|
|
COMP_BDR(wid - pwid, t, pwid, phei);
|
|
|
|
pwid = wid - l - pwid;
|
|
if (pwid > 0) {
|
|
// body
|
|
win_render(ps, w, l, t, pwid, phei, dopacity, reg_paint, pcache_reg, pict);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
#undef COMP_BDR
|
|
|
|
if (pict != w->paint.pict)
|
|
free_picture(ps, &pict);
|
|
|
|
// Dimming the window if needed
|
|
if (w->dim) {
|
|
double dim_opacity = ps->o.inactive_dim;
|
|
if (!ps->o.inactive_dim_fixed)
|
|
dim_opacity *= get_opacity_percent(w);
|
|
|
|
switch (ps->o.backend) {
|
|
case BKEND_XRENDER:
|
|
case BKEND_XR_GLX_HYBRID:
|
|
{
|
|
unsigned short cval = 0xffff * dim_opacity;
|
|
|
|
// Premultiply color
|
|
xcb_render_color_t color = {
|
|
.red = 0, .green = 0, .blue = 0, .alpha = cval,
|
|
};
|
|
|
|
xcb_rectangle_t rect = {
|
|
.x = x,
|
|
.y = y,
|
|
.width = wid,
|
|
.height = hei,
|
|
};
|
|
|
|
xcb_render_fill_rectangles(c, XCB_RENDER_PICT_OP_OVER, ps->tgt_buffer.pict,
|
|
color, 1, &rect);
|
|
}
|
|
break;
|
|
#ifdef CONFIG_OPENGL
|
|
case BKEND_GLX:
|
|
glx_dim_dst(ps, x, y, wid, hei, ps->psglx->z - 0.7, dim_opacity,
|
|
reg_paint, pcache_reg);
|
|
break;
|
|
#endif
|
|
default:
|
|
assert(false);
|
|
}
|
|
}
|
|
|
|
glx_mark(ps, w->id, false);
|
|
}
|
|
|
|
/**
|
|
* Rebuild cached <code>screen_reg</code>.
|
|
*/
|
|
static void
|
|
rebuild_screen_reg(session_t *ps) {
|
|
if (ps->screen_reg)
|
|
XFixesDestroyRegion(ps->dpy, ps->screen_reg);
|
|
ps->screen_reg = get_screen_region(ps);
|
|
}
|
|
|
|
/**
|
|
* Rebuild <code>shadow_exclude_reg</code>.
|
|
*/
|
|
static void
|
|
rebuild_shadow_exclude_reg(session_t *ps) {
|
|
free_region(ps, &ps->shadow_exclude_reg);
|
|
XRectangle rect = geom_to_rect(ps, &ps->o.shadow_exclude_reg_geom, NULL);
|
|
ps->shadow_exclude_reg = rect_to_reg(ps, &rect);
|
|
}
|
|
|
|
/**
|
|
* Check if a region is empty.
|
|
*
|
|
* Keith Packard said this is slow:
|
|
* http://lists.freedesktop.org/archives/xorg/2007-November/030467.html
|
|
*
|
|
* @param ps current session
|
|
* @param region region to check for
|
|
* @param pcache_rects a place to cache the dumped rectangles
|
|
* @param ncache_nrects a place to cache the number of dumped rectangles
|
|
*/
|
|
static inline bool
|
|
is_region_empty(const session_t *ps, XserverRegion region,
|
|
reg_data_t *pcache_reg) {
|
|
int nrects = 0;
|
|
XRectangle *rects = XFixesFetchRegion(ps->dpy, region, &nrects);
|
|
|
|
if (pcache_reg) {
|
|
pcache_reg->rects = rects;
|
|
pcache_reg->nrects = nrects;
|
|
}
|
|
else
|
|
cxfree(rects);
|
|
|
|
return !nrects;
|
|
}
|
|
|
|
static void
|
|
paint_all(session_t *ps, XserverRegion region, XserverRegion region_real, win *t) {
|
|
xcb_connection_t *c = XGetXCBConnection(ps->dpy);
|
|
if (!region_real)
|
|
region_real = region;
|
|
|
|
#ifdef DEBUG_REPAINT
|
|
static struct timespec last_paint = { 0 };
|
|
#endif
|
|
XserverRegion reg_paint = None, reg_tmp = None, reg_tmp2 = None;
|
|
|
|
#ifdef CONFIG_OPENGL
|
|
if (bkend_use_glx(ps)) {
|
|
glx_paint_pre(ps, ®ion);
|
|
}
|
|
#endif
|
|
|
|
if (!region) {
|
|
region_real = region = get_screen_region(ps);
|
|
}
|
|
else {
|
|
// Remove the damaged area out of screen
|
|
XFixesIntersectRegion(ps->dpy, region, region, ps->screen_reg);
|
|
}
|
|
|
|
#ifdef MONITOR_REPAINT
|
|
// Note: MONITOR_REPAINT cannot work with DBE right now.
|
|
// Picture old_tgt_buffer = ps->tgt_buffer.pict;
|
|
ps->tgt_buffer.pict = ps->tgt_picture;
|
|
#else
|
|
if (!paint_isvalid(ps, &ps->tgt_buffer)) {
|
|
// DBE painting mode: Directly paint to a Picture of the back buffer
|
|
if (BKEND_XRENDER == ps->o.backend && ps->o.dbe) {
|
|
ps->tgt_buffer.pict = x_create_picture_with_visual_and_pixmap(
|
|
ps, ps->vis, ps->root_dbe, 0, 0);
|
|
}
|
|
// No-DBE painting mode: Paint to an intermediate Picture then paint
|
|
// the Picture to root window
|
|
else {
|
|
if (!ps->tgt_buffer.pixmap) {
|
|
free_paint(ps, &ps->tgt_buffer);
|
|
ps->tgt_buffer.pixmap = create_pixmap(ps, ps->depth, ps->root, ps->root_width, ps->root_height);
|
|
if (ps->tgt_buffer.pixmap == XCB_NONE) {
|
|
fprintf(stderr, "Failed to allocate a screen-sized pixmap\n");
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
if (BKEND_GLX != ps->o.backend)
|
|
ps->tgt_buffer.pict = x_create_picture_with_visual_and_pixmap(
|
|
ps, ps->vis, ps->tgt_buffer.pixmap, 0, 0);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
if (BKEND_XRENDER == ps->o.backend)
|
|
XFixesSetPictureClipRegion(ps->dpy, ps->tgt_picture, 0, 0, region_real);
|
|
|
|
#ifdef MONITOR_REPAINT
|
|
switch (ps->o.backend) {
|
|
case BKEND_XRENDER:
|
|
xcb_render_composite(c, XCB_RENDER_PICT_OP_SRC, ps->black_picture, None,
|
|
ps->tgt_picture, 0, 0, 0, 0, 0, 0,
|
|
ps->root_width, ps->root_height);
|
|
break;
|
|
case BKEND_GLX:
|
|
case BKEND_XR_GLX_HYBRID:
|
|
glClearColor(0.0f, 0.0f, 1.0f, 1.0f);
|
|
glClear(GL_COLOR_BUFFER_BIT);
|
|
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
|
|
break;
|
|
}
|
|
#endif
|
|
|
|
if (t && t->reg_ignore) {
|
|
// Calculate the region upon which the root window is to be painted
|
|
// based on the ignore region of the lowest window, if available
|
|
reg_paint = reg_tmp = XFixesCreateRegion(ps->dpy, NULL, 0);
|
|
XFixesSubtractRegion(ps->dpy, reg_paint, region, t->reg_ignore);
|
|
} else {
|
|
reg_paint = region;
|
|
}
|
|
|
|
set_tgt_clip(ps, reg_paint, NULL);
|
|
paint_root(ps, reg_paint);
|
|
|
|
// Create temporary regions for use during painting
|
|
if (!reg_tmp)
|
|
reg_tmp = XFixesCreateRegion(ps->dpy, NULL, 0);
|
|
reg_tmp2 = XFixesCreateRegion(ps->dpy, NULL, 0);
|
|
|
|
for (win *w = t; w; w = w->prev_trans) {
|
|
// Painting shadow
|
|
if (w->shadow) {
|
|
// Lazy shadow building
|
|
if (!w->shadow_paint.pixmap) {
|
|
if (!win_build_shadow(ps, w, 1))
|
|
printf_errf("(): build shadow failed");
|
|
}
|
|
|
|
// Shadow is to be painted based on the ignore region of current
|
|
// window
|
|
if (w->reg_ignore) {
|
|
if (w == t) {
|
|
// If it's the first cycle and reg_tmp2 is not ready, calculate
|
|
// the paint region here
|
|
reg_paint = reg_tmp;
|
|
XFixesSubtractRegion(ps->dpy, reg_paint, region, w->reg_ignore);
|
|
}
|
|
else {
|
|
// Otherwise, used the cached region during last cycle
|
|
reg_paint = reg_tmp2;
|
|
}
|
|
XFixesIntersectRegion(ps->dpy, reg_paint, reg_paint, w->extents);
|
|
}
|
|
else {
|
|
reg_paint = reg_tmp;
|
|
XFixesIntersectRegion(ps->dpy, reg_paint, region, w->extents);
|
|
}
|
|
|
|
if (ps->shadow_exclude_reg)
|
|
XFixesSubtractRegion(ps->dpy, reg_paint, reg_paint,
|
|
ps->shadow_exclude_reg);
|
|
|
|
// Might be worthwhile to crop the region to shadow border
|
|
{
|
|
XRectangle rec_shadow_border = {
|
|
.x = w->g.x + w->shadow_dx,
|
|
.y = w->g.y + w->shadow_dy,
|
|
.width = w->shadow_width,
|
|
.height = w->shadow_height
|
|
};
|
|
XserverRegion reg_shadow = XFixesCreateRegion(ps->dpy,
|
|
&rec_shadow_border, 1);
|
|
XFixesIntersectRegion(ps->dpy, reg_paint, reg_paint, reg_shadow);
|
|
free_region(ps, ®_shadow);
|
|
}
|
|
|
|
// Clear the shadow here instead of in make_shadow() for saving GPU
|
|
// power and handling shaped windows
|
|
if (w->mode != WMODE_SOLID && w->border_size)
|
|
XFixesSubtractRegion(ps->dpy, reg_paint, reg_paint, w->border_size);
|
|
|
|
#ifdef CONFIG_XINERAMA
|
|
if (ps->o.xinerama_shadow_crop && w->xinerama_scr >= 0)
|
|
XFixesIntersectRegion(ps->dpy, reg_paint, reg_paint,
|
|
ps->xinerama_scr_regs[w->xinerama_scr]);
|
|
#endif
|
|
|
|
// Detect if the region is empty before painting
|
|
{
|
|
reg_data_t cache_reg = REG_DATA_INIT;
|
|
if (region == reg_paint
|
|
|| !is_region_empty(ps, reg_paint, &cache_reg)) {
|
|
set_tgt_clip(ps, reg_paint, &cache_reg);
|
|
|
|
win_paint_shadow(ps, w, reg_paint, &cache_reg);
|
|
}
|
|
free_reg_data(&cache_reg);
|
|
}
|
|
}
|
|
|
|
// Calculate the region based on the reg_ignore of the next (higher)
|
|
// window and the bounding region
|
|
reg_paint = reg_tmp;
|
|
if (w->prev_trans && w->prev_trans->reg_ignore) {
|
|
XFixesSubtractRegion(ps->dpy, reg_paint, region,
|
|
w->prev_trans->reg_ignore);
|
|
// Copy the subtracted region to be used for shadow painting in next
|
|
// cycle
|
|
XFixesCopyRegion(ps->dpy, reg_tmp2, reg_paint);
|
|
|
|
if (w->border_size)
|
|
XFixesIntersectRegion(ps->dpy, reg_paint, reg_paint, w->border_size);
|
|
}
|
|
else {
|
|
if (w->border_size)
|
|
XFixesIntersectRegion(ps->dpy, reg_paint, region, w->border_size);
|
|
else
|
|
reg_paint = region;
|
|
}
|
|
|
|
{
|
|
reg_data_t cache_reg = REG_DATA_INIT;
|
|
if (!is_region_empty(ps, reg_paint, &cache_reg)) {
|
|
set_tgt_clip(ps, reg_paint, &cache_reg);
|
|
// Blur window background
|
|
if (w->blur_background && (!win_is_solid(ps, w)
|
|
|| (ps->o.blur_background_frame && w->frame_opacity))) {
|
|
win_blur_background(ps, w, ps->tgt_buffer.pict, reg_paint, &cache_reg);
|
|
}
|
|
|
|
// Painting the window
|
|
win_paint_win(ps, w, reg_paint, &cache_reg);
|
|
}
|
|
free_reg_data(&cache_reg);
|
|
}
|
|
}
|
|
|
|
// Free up all temporary regions
|
|
XFixesDestroyRegion(ps->dpy, reg_tmp);
|
|
XFixesDestroyRegion(ps->dpy, reg_tmp2);
|
|
|
|
// Do this as early as possible
|
|
if (!ps->o.dbe)
|
|
set_tgt_clip(ps, None, NULL);
|
|
|
|
if (ps->o.vsync) {
|
|
// Make sure all previous requests are processed to achieve best
|
|
// effect
|
|
XSync(ps->dpy, False);
|
|
#ifdef CONFIG_OPENGL
|
|
if (glx_has_context(ps)) {
|
|
if (ps->o.vsync_use_glfinish)
|
|
glFinish();
|
|
else
|
|
glFlush();
|
|
glXWaitX();
|
|
}
|
|
#endif
|
|
}
|
|
|
|
// Wait for VBlank. We could do it aggressively (send the painting
|
|
// request and XFlush() on VBlank) or conservatively (send the request
|
|
// only on VBlank).
|
|
if (!ps->o.vsync_aggressive)
|
|
vsync_wait(ps);
|
|
|
|
switch (ps->o.backend) {
|
|
case BKEND_XRENDER:
|
|
// DBE painting mode, only need to swap the buffer
|
|
if (ps->o.dbe) {
|
|
XdbeSwapInfo swap_info = {
|
|
.swap_window = get_tgt_window(ps),
|
|
// Is it safe to use XdbeUndefined?
|
|
.swap_action = XdbeCopied
|
|
};
|
|
XdbeSwapBuffers(ps->dpy, &swap_info, 1);
|
|
}
|
|
// No-DBE painting mode
|
|
else if (ps->tgt_buffer.pict != ps->tgt_picture) {
|
|
xcb_render_composite(
|
|
c, XCB_RENDER_PICT_OP_SRC, ps->tgt_buffer.pict, None,
|
|
ps->tgt_picture, 0, 0, 0, 0,
|
|
0, 0, ps->root_width, ps->root_height);
|
|
}
|
|
break;
|
|
#ifdef CONFIG_OPENGL
|
|
case BKEND_XR_GLX_HYBRID:
|
|
XSync(ps->dpy, False);
|
|
if (ps->o.vsync_use_glfinish)
|
|
glFinish();
|
|
else
|
|
glFlush();
|
|
glXWaitX();
|
|
assert(ps->tgt_buffer.pixmap);
|
|
xr_sync(ps, ps->tgt_buffer.pixmap, &ps->tgt_buffer_fence);
|
|
paint_bind_tex(ps, &ps->tgt_buffer,
|
|
ps->root_width, ps->root_height, ps->depth,
|
|
!ps->o.glx_no_rebind_pixmap);
|
|
// See #163
|
|
xr_sync(ps, ps->tgt_buffer.pixmap, &ps->tgt_buffer_fence);
|
|
if (ps->o.vsync_use_glfinish)
|
|
glFinish();
|
|
else
|
|
glFlush();
|
|
glXWaitX();
|
|
glx_render(ps, ps->tgt_buffer.ptex, 0, 0, 0, 0,
|
|
ps->root_width, ps->root_height, 0, 1.0, false, false,
|
|
region_real, NULL, NULL);
|
|
// falls through
|
|
case BKEND_GLX:
|
|
glXSwapBuffers(ps->dpy, get_tgt_window(ps));
|
|
break;
|
|
#endif
|
|
default:
|
|
assert(0);
|
|
}
|
|
glx_mark_frame(ps);
|
|
|
|
if (ps->o.vsync_aggressive)
|
|
vsync_wait(ps);
|
|
|
|
XFlush(ps->dpy);
|
|
|
|
#ifdef CONFIG_OPENGL
|
|
if (glx_has_context(ps)) {
|
|
glFlush();
|
|
glXWaitX();
|
|
}
|
|
#endif
|
|
|
|
XFixesDestroyRegion(ps->dpy, region);
|
|
|
|
#ifdef DEBUG_REPAINT
|
|
print_timestamp(ps);
|
|
struct timespec now = get_time_timespec();
|
|
struct timespec diff = { 0 };
|
|
timespec_subtract(&diff, &now, &last_paint);
|
|
printf("[ %5ld:%09ld ] ", diff.tv_sec, diff.tv_nsec);
|
|
last_paint = now;
|
|
printf("paint:");
|
|
for (win *w = t; w; w = w->prev_trans)
|
|
printf(" %#010lx", w->id);
|
|
putchar('\n');
|
|
fflush(stdout);
|
|
#endif
|
|
|
|
// Check if fading is finished on all painted windows
|
|
{
|
|
win *pprev = NULL;
|
|
for (win *w = t; w; w = pprev) {
|
|
pprev = w->prev_trans;
|
|
check_fade_fin(ps, w);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
repair_win(session_t *ps, win *w) {
|
|
if (IsViewable != w->a.map_state)
|
|
return;
|
|
|
|
XserverRegion parts;
|
|
xcb_connection_t *c = XGetXCBConnection(ps->dpy);
|
|
|
|
if (!w->ever_damaged) {
|
|
parts = win_extents(ps, w);
|
|
set_ignore_cookie(ps,
|
|
xcb_damage_subtract(c, w->damage, XCB_NONE, XCB_NONE));
|
|
} else {
|
|
parts = XFixesCreateRegion(ps->dpy, 0, 0);
|
|
set_ignore_cookie(ps,
|
|
xcb_damage_subtract(c, w->damage, XCB_NONE, parts));
|
|
XFixesTranslateRegion(ps->dpy, parts,
|
|
w->g.x + w->g.border_width,
|
|
w->g.y + w->g.border_width);
|
|
}
|
|
|
|
w->ever_damaged = true;
|
|
w->pixmap_damaged = true;
|
|
|
|
// Why care about damage when screen is unredirected?
|
|
// We will force full-screen repaint on redirection.
|
|
if (!ps->redirected) {
|
|
free_region(ps, &parts);
|
|
return;
|
|
}
|
|
|
|
// Remove the part in the damage area that could be ignored
|
|
if (!ps->reg_ignore_expire && w->prev_trans && w->prev_trans->reg_ignore)
|
|
XFixesSubtractRegion(ps->dpy, parts, parts, w->prev_trans->reg_ignore);
|
|
|
|
add_damage(ps, parts);
|
|
}
|
|
|
|
void
|
|
map_win(session_t *ps, Window id) {
|
|
xcb_connection_t *c = XGetXCBConnection(ps->dpy);
|
|
|
|
// Unmap overlay window if it got mapped but we are currently not
|
|
// in redirected state.
|
|
if (ps->overlay && id == ps->overlay && !ps->redirected) {
|
|
XUnmapWindow(ps->dpy, ps->overlay);
|
|
XFlush(ps->dpy);
|
|
}
|
|
|
|
win *w = find_win(ps, id);
|
|
|
|
#ifdef DEBUG_EVENTS
|
|
printf_dbgf("(%#010lx \"%s\"): %p\n", id, (w ? w->name: NULL), w);
|
|
#endif
|
|
|
|
// Don't care about window mapping if it's an InputOnly window
|
|
// Try avoiding mapping a window twice
|
|
if (!w || InputOnly == w->a._class
|
|
|| IsViewable == w->a.map_state)
|
|
return;
|
|
|
|
assert(!win_is_focused_real(ps, w));
|
|
|
|
w->a.map_state = IsViewable;
|
|
|
|
cxinerama_win_upd_scr(ps, w);
|
|
|
|
// Call XSelectInput() before reading properties so that no property
|
|
// changes are lost
|
|
XSelectInput(ps->dpy, id, determine_evmask(ps, id, WIN_EVMODE_FRAME));
|
|
|
|
// Notify compton when the shape of a window changes
|
|
if (ps->shape_exists) {
|
|
xcb_shape_select_input(c, id, 1);
|
|
}
|
|
|
|
// Make sure the XSelectInput() requests are sent
|
|
XFlush(ps->dpy);
|
|
|
|
// Update window mode here to check for ARGB windows
|
|
win_determine_mode(ps, w);
|
|
|
|
// Detect client window here instead of in add_win() as the client
|
|
// window should have been prepared at this point
|
|
if (!w->client_win) {
|
|
win_recheck_client(ps, w);
|
|
}
|
|
else {
|
|
// Re-mark client window here
|
|
win_mark_client(ps, w, w->client_win);
|
|
}
|
|
|
|
assert(w->client_win);
|
|
|
|
#ifdef DEBUG_WINTYPE
|
|
printf_dbgf("(%#010lx): type %s\n", w->id, WINTYPES[w->window_type]);
|
|
#endif
|
|
|
|
// Detect if the window is shaped or has rounded corners
|
|
win_update_shape_raw(ps, w);
|
|
|
|
// FocusIn/Out may be ignored when the window is unmapped, so we must
|
|
// recheck focus here
|
|
if (ps->o.track_focus)
|
|
recheck_focus(ps);
|
|
|
|
// Update window focus state
|
|
win_update_focused(ps, w);
|
|
|
|
// Update opacity and dim state
|
|
win_update_opacity_prop(ps, w);
|
|
w->flags |= WFLAG_OPCT_CHANGE;
|
|
|
|
// Check for _COMPTON_SHADOW
|
|
if (ps->o.respect_prop_shadow)
|
|
win_update_prop_shadow_raw(ps, w);
|
|
|
|
// Many things above could affect shadow
|
|
win_determine_shadow(ps, w);
|
|
|
|
// Set fading state
|
|
w->in_openclose = true;
|
|
set_fade_callback(ps, w, finish_map_win, true);
|
|
win_determine_fade(ps, w);
|
|
|
|
win_determine_blur_background(ps, w);
|
|
|
|
w->ever_damaged = false;
|
|
|
|
/* if any configure events happened while
|
|
the window was unmapped, then configure
|
|
the window to its correct place */
|
|
if (w->need_configure) {
|
|
configure_win(ps, &w->queue_configure);
|
|
}
|
|
|
|
#ifdef CONFIG_DBUS
|
|
// Send D-Bus signal
|
|
if (ps->o.dbus) {
|
|
cdbus_ev_win_mapped(ps, w);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
static void
|
|
finish_map_win(session_t *ps, win *w) {
|
|
w->in_openclose = false;
|
|
if (ps->o.no_fading_openclose) {
|
|
win_determine_fade(ps, w);
|
|
}
|
|
}
|
|
|
|
static void
|
|
finish_unmap_win(session_t *ps, win *w) {
|
|
w->ever_damaged = false;
|
|
|
|
w->in_openclose = false;
|
|
|
|
update_reg_ignore_expire(ps, w);
|
|
|
|
if (w->extents != None) {
|
|
/* destroys region */
|
|
add_damage(ps, w->extents);
|
|
w->extents = None;
|
|
}
|
|
|
|
free_wpaint(ps, w);
|
|
free_region(ps, &w->border_size);
|
|
free_paint(ps, &w->shadow_paint);
|
|
}
|
|
|
|
static void
|
|
unmap_callback(session_t *ps, win *w) {
|
|
finish_unmap_win(ps, w);
|
|
}
|
|
|
|
static void
|
|
unmap_win(session_t *ps, win *w) {
|
|
if (!w || IsUnmapped == w->a.map_state) return;
|
|
|
|
if (w->destroyed) return;
|
|
|
|
// One last synchronization
|
|
if (w->paint.pixmap)
|
|
xr_sync(ps, w->paint.pixmap, &w->fence);
|
|
free_fence(ps, &w->fence);
|
|
|
|
// Set focus out
|
|
win_set_focused(ps, w, false);
|
|
|
|
w->a.map_state = IsUnmapped;
|
|
|
|
// Fading out
|
|
w->flags |= WFLAG_OPCT_CHANGE;
|
|
set_fade_callback(ps, w, unmap_callback, false);
|
|
w->in_openclose = true;
|
|
win_determine_fade(ps, w);
|
|
|
|
// Validate pixmap if we have to do fading
|
|
if (w->fade)
|
|
win_validate_pixmap(ps, w);
|
|
|
|
// don't care about properties anymore
|
|
win_ev_stop(ps, w);
|
|
|
|
#ifdef CONFIG_DBUS
|
|
// Send D-Bus signal
|
|
if (ps->o.dbus) {
|
|
cdbus_ev_win_unmapped(ps, w);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
static void
|
|
restack_win(session_t *ps, win *w, Window new_above) {
|
|
Window old_above;
|
|
|
|
update_reg_ignore_expire(ps, w);
|
|
|
|
if (w->next) {
|
|
old_above = w->next->id;
|
|
} else {
|
|
old_above = None;
|
|
}
|
|
|
|
if (old_above != new_above) {
|
|
win **prev = NULL, **prev_old = NULL;
|
|
|
|
// unhook
|
|
for (prev = &ps->list; *prev; prev = &(*prev)->next) {
|
|
if ((*prev) == w) break;
|
|
}
|
|
|
|
prev_old = prev;
|
|
|
|
bool found = false;
|
|
|
|
// rehook
|
|
for (prev = &ps->list; *prev; prev = &(*prev)->next) {
|
|
if ((*prev)->id == new_above && !(*prev)->destroyed) {
|
|
found = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (new_above && !found) {
|
|
printf_errf("(%#010lx, %#010lx): "
|
|
"Failed to found new above window.", w->id, new_above);
|
|
return;
|
|
}
|
|
|
|
*prev_old = w->next;
|
|
|
|
w->next = *prev;
|
|
*prev = w;
|
|
|
|
#ifdef DEBUG_RESTACK
|
|
{
|
|
const char *desc;
|
|
char *window_name = NULL;
|
|
bool to_free;
|
|
win* c = ps->list;
|
|
|
|
printf_dbgf("(%#010lx, %#010lx): "
|
|
"Window stack modified. Current stack:\n", w->id, new_above);
|
|
|
|
for (; c; c = c->next) {
|
|
window_name = "(Failed to get title)";
|
|
|
|
to_free = ev_window_name(ps, c->id, &window_name);
|
|
|
|
desc = "";
|
|
if (c->destroyed) desc = "(D) ";
|
|
printf("%#010lx \"%s\" %s", c->id, window_name, desc);
|
|
if (c->next)
|
|
printf("-> ");
|
|
|
|
if (to_free) {
|
|
cxfree(window_name);
|
|
window_name = NULL;
|
|
}
|
|
}
|
|
fputs("\n", stdout);
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
|
|
static bool
|
|
init_filters(session_t *ps);
|
|
|
|
static void
|
|
configure_win(session_t *ps, xcb_configure_notify_event_t *ce) {
|
|
// On root window changes
|
|
if (ce->window == ps->root) {
|
|
free_paint(ps, &ps->tgt_buffer);
|
|
|
|
ps->root_width = ce->width;
|
|
ps->root_height = ce->height;
|
|
|
|
rebuild_screen_reg(ps);
|
|
rebuild_shadow_exclude_reg(ps);
|
|
free_all_damage_last(ps);
|
|
|
|
// Re-redirect screen if required
|
|
if (ps->o.reredir_on_root_change && ps->redirected) {
|
|
redir_stop(ps);
|
|
redir_start(ps);
|
|
}
|
|
|
|
#ifdef CONFIG_OPENGL
|
|
// Reinitialize GLX on root change
|
|
if (ps->o.glx_reinit_on_root_change && ps->psglx) {
|
|
if (!glx_reinit(ps, bkend_use_glx(ps)))
|
|
printf_errf("(): Failed to reinitialize GLX, troubles ahead.");
|
|
if (BKEND_GLX == ps->o.backend && !init_filters(ps))
|
|
printf_errf("(): Failed to initialize filters.");
|
|
}
|
|
|
|
// GLX root change callback
|
|
if (BKEND_GLX == ps->o.backend)
|
|
glx_on_root_change(ps);
|
|
#endif
|
|
|
|
force_repaint(ps);
|
|
|
|
return;
|
|
}
|
|
|
|
// Other window changes
|
|
win *w = find_win(ps, ce->window);
|
|
XserverRegion damage = None;
|
|
|
|
if (!w)
|
|
return;
|
|
|
|
if (w->a.map_state == IsUnmapped) {
|
|
/* save the configure event for when the window maps */
|
|
w->need_configure = true;
|
|
w->queue_configure = *ce;
|
|
restack_win(ps, w, ce->above_sibling);
|
|
} else {
|
|
if (!(w->need_configure)) {
|
|
restack_win(ps, w, ce->above_sibling);
|
|
}
|
|
|
|
bool factor_change = false;
|
|
|
|
// Windows restack (including window restacks happened when this
|
|
// window is not mapped) could mess up all reg_ignore
|
|
ps->reg_ignore_expire = true;
|
|
|
|
w->need_configure = false;
|
|
|
|
damage = XFixesCreateRegion(ps->dpy, 0, 0);
|
|
if (w->extents != None) {
|
|
XFixesCopyRegion(ps->dpy, damage, w->extents);
|
|
}
|
|
|
|
// If window geometry did not change, don't free extents here
|
|
if (w->g.x != ce->x || w->g.y != ce->y
|
|
|| w->g.width != ce->width || w->g.height != ce->height
|
|
|| w->g.border_width != ce->border_width) {
|
|
factor_change = true;
|
|
free_region(ps, &w->extents);
|
|
free_region(ps, &w->border_size);
|
|
}
|
|
|
|
w->g.x = ce->x;
|
|
w->g.y = ce->y;
|
|
|
|
if (w->g.width != ce->width || w->g.height != ce->height
|
|
|| w->g.border_width != ce->border_width)
|
|
free_wpaint(ps, w);
|
|
|
|
if (w->g.width != ce->width || w->g.height != ce->height
|
|
|| w->g.border_width != ce->border_width) {
|
|
w->g.width = ce->width;
|
|
w->g.height = ce->height;
|
|
w->g.border_width = ce->border_width;
|
|
calc_win_size(ps, w);
|
|
|
|
// Rounded corner detection is affected by window size
|
|
if (ps->shape_exists && ps->o.shadow_ignore_shaped
|
|
&& ps->o.detect_rounded_corners && w->bounding_shaped)
|
|
win_update_shape(ps, w);
|
|
}
|
|
|
|
if (damage) {
|
|
XserverRegion extents = win_extents(ps, w);
|
|
XFixesUnionRegion(ps->dpy, damage, damage, extents);
|
|
XFixesDestroyRegion(ps->dpy, extents);
|
|
add_damage(ps, damage);
|
|
}
|
|
|
|
if (factor_change) {
|
|
cxinerama_win_upd_scr(ps, w);
|
|
win_on_factor_change(ps, w);
|
|
}
|
|
}
|
|
|
|
// override_redirect flag cannot be changed after window creation, as far
|
|
// as I know, so there's no point to re-match windows here.
|
|
w->a.override_redirect = ce->override_redirect;
|
|
}
|
|
|
|
static void
|
|
circulate_win(session_t *ps, xcb_circulate_notify_event_t *ce) {
|
|
win *w = find_win(ps, ce->window);
|
|
Window new_above;
|
|
|
|
if (!w) return;
|
|
|
|
if (ce->place == PlaceOnTop) {
|
|
new_above = ps->list->id;
|
|
} else {
|
|
new_above = None;
|
|
}
|
|
|
|
restack_win(ps, w, new_above);
|
|
}
|
|
|
|
static void
|
|
finish_destroy_win(session_t *ps, win *w) {
|
|
assert(w->destroyed);
|
|
win **prev = NULL, *i = NULL;
|
|
|
|
#ifdef DEBUG_EVENTS
|
|
printf_dbgf("(%#010lx): Starting...\n", w->id);
|
|
#endif
|
|
|
|
for (prev = &ps->list; (i = *prev); prev = &i->next) {
|
|
if (w == i) {
|
|
#ifdef DEBUG_EVENTS
|
|
printf_dbgf("(%#010lx \"%s\"): %p\n", w->id, w->name, w);
|
|
#endif
|
|
|
|
finish_unmap_win(ps, w);
|
|
*prev = w->next;
|
|
|
|
// Clear active_win if it's pointing to the destroyed window
|
|
if (w == ps->active_win)
|
|
ps->active_win = NULL;
|
|
|
|
free_win_res(ps, w);
|
|
|
|
// Drop w from all prev_trans to avoid accessing freed memory in
|
|
// repair_win()
|
|
for (win *w2 = ps->list; w2; w2 = w2->next)
|
|
if (w == w2->prev_trans)
|
|
w2->prev_trans = NULL;
|
|
|
|
free(w);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
destroy_callback(session_t *ps, win *w) {
|
|
finish_destroy_win(ps, w);
|
|
}
|
|
|
|
static void
|
|
destroy_win(session_t *ps, Window id) {
|
|
win *w = find_win(ps, id);
|
|
|
|
#ifdef DEBUG_EVENTS
|
|
printf_dbgf("(%#010lx \"%s\"): %p\n", id, (w ? w->name: NULL), w);
|
|
#endif
|
|
|
|
if (w) {
|
|
unmap_win(ps, w);
|
|
|
|
w->destroyed = true;
|
|
|
|
if (ps->o.no_fading_destroyed_argb)
|
|
win_determine_fade(ps, w);
|
|
|
|
// Set fading callback
|
|
set_fade_callback(ps, w, destroy_callback, false);
|
|
|
|
#ifdef CONFIG_DBUS
|
|
// Send D-Bus signal
|
|
if (ps->o.dbus) {
|
|
cdbus_ev_win_destroyed(ps, w);
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
|
|
static inline void
|
|
root_damaged(session_t *ps) {
|
|
if (ps->root_tile_paint.pixmap) {
|
|
XClearArea(ps->dpy, ps->root, 0, 0, 0, 0, true);
|
|
// if (ps->root_picture != ps->root_tile) {
|
|
free_root_tile(ps);
|
|
/* }
|
|
if (root_damage) {
|
|
xcb_connection_t *c = XGetXCBConnection(ps->dpy);
|
|
XserverRegion parts = XFixesCreateRegion(ps->dpy, 0, 0);
|
|
xcb_damage_subtract(c, root_damage, XCB_NONE, parts);
|
|
add_damage(ps, parts);
|
|
} */
|
|
}
|
|
|
|
// Mark screen damaged
|
|
force_repaint(ps);
|
|
}
|
|
|
|
/**
|
|
* X11 error handler function.
|
|
*/
|
|
static void
|
|
xerror_common(unsigned long serial, uint8_t major, uint8_t minor, uint8_t error_code) {
|
|
session_t * const ps = ps_g;
|
|
|
|
int o = 0;
|
|
const char *name = "Unknown";
|
|
|
|
if (should_ignore(ps, serial)) {
|
|
return;
|
|
}
|
|
|
|
if (major == ps->composite_opcode
|
|
&& minor == XCB_COMPOSITE_REDIRECT_SUBWINDOWS) {
|
|
fprintf(stderr, "Another composite manager is already running "
|
|
"(and does not handle _NET_WM_CM_Sn correctly)\n");
|
|
exit(1);
|
|
}
|
|
|
|
#define CASESTRRET2(s) case s: name = #s; break
|
|
|
|
o = error_code - ps->xfixes_error;
|
|
switch (o) {
|
|
CASESTRRET2(BadRegion);
|
|
}
|
|
|
|
o = error_code - ps->damage_error;
|
|
switch (o) {
|
|
CASESTRRET2(XCB_DAMAGE_BAD_DAMAGE);
|
|
}
|
|
|
|
o = error_code - ps->render_error;
|
|
switch (o) {
|
|
CASESTRRET2(XCB_RENDER_PICT_FORMAT);
|
|
CASESTRRET2(XCB_RENDER_PICTURE);
|
|
CASESTRRET2(XCB_RENDER_PICT_OP);
|
|
CASESTRRET2(XCB_RENDER_GLYPH_SET);
|
|
CASESTRRET2(XCB_RENDER_GLYPH);
|
|
}
|
|
|
|
#ifdef CONFIG_OPENGL
|
|
if (ps->glx_exists) {
|
|
o = error_code - ps->glx_error;
|
|
switch (o) {
|
|
CASESTRRET2(GLX_BAD_SCREEN);
|
|
CASESTRRET2(GLX_BAD_ATTRIBUTE);
|
|
CASESTRRET2(GLX_NO_EXTENSION);
|
|
CASESTRRET2(GLX_BAD_VISUAL);
|
|
CASESTRRET2(GLX_BAD_CONTEXT);
|
|
CASESTRRET2(GLX_BAD_VALUE);
|
|
CASESTRRET2(GLX_BAD_ENUM);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_XSYNC
|
|
if (ps->xsync_exists) {
|
|
o = error_code - ps->xsync_error;
|
|
switch (o) {
|
|
CASESTRRET2(XSyncBadCounter);
|
|
CASESTRRET2(XSyncBadAlarm);
|
|
CASESTRRET2(XSyncBadFence);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
switch (error_code) {
|
|
CASESTRRET2(BadAccess);
|
|
CASESTRRET2(BadAlloc);
|
|
CASESTRRET2(BadAtom);
|
|
CASESTRRET2(BadColor);
|
|
CASESTRRET2(BadCursor);
|
|
CASESTRRET2(BadDrawable);
|
|
CASESTRRET2(BadFont);
|
|
CASESTRRET2(BadGC);
|
|
CASESTRRET2(BadIDChoice);
|
|
CASESTRRET2(BadImplementation);
|
|
CASESTRRET2(BadLength);
|
|
CASESTRRET2(BadMatch);
|
|
CASESTRRET2(BadName);
|
|
CASESTRRET2(BadPixmap);
|
|
CASESTRRET2(BadRequest);
|
|
CASESTRRET2(BadValue);
|
|
CASESTRRET2(BadWindow);
|
|
}
|
|
|
|
#undef CASESTRRET2
|
|
|
|
print_timestamp(ps);
|
|
{
|
|
char buf[BUF_LEN] = "";
|
|
XGetErrorText(ps->dpy, error_code, buf, BUF_LEN);
|
|
printf("error %4d %-12s request %4d minor %4d serial %6lu: \"%s\"\n",
|
|
error_code, name, major,
|
|
minor, serial, buf);
|
|
}
|
|
|
|
// print_backtrace();
|
|
}
|
|
|
|
/**
|
|
* Xlib error handler function.
|
|
*/
|
|
static int
|
|
xerror(Display __attribute__((unused)) *dpy, XErrorEvent *ev) {
|
|
xerror_common(ev->serial, ev->request_code, ev->minor_code, ev->error_code);
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* XCB error handler function.
|
|
*/
|
|
void
|
|
ev_xcb_error(session_t __attribute__((unused)) *ps, xcb_generic_error_t *err) {
|
|
xerror_common(err->sequence, err->major_code, err->minor_code, err->error_code);
|
|
}
|
|
|
|
static void
|
|
expose_root(session_t *ps, XRectangle *rects, int nrects) {
|
|
free_all_damage_last(ps);
|
|
XserverRegion region = XFixesCreateRegion(ps->dpy, rects, nrects);
|
|
add_damage(ps, region);
|
|
}
|
|
/**
|
|
* Force a full-screen repaint.
|
|
*/
|
|
void
|
|
force_repaint(session_t *ps) {
|
|
assert(ps->screen_reg);
|
|
XserverRegion reg = None;
|
|
if (ps->screen_reg && (reg = copy_region(ps, ps->screen_reg))) {
|
|
ps->ev_received = true;
|
|
add_damage(ps, reg);
|
|
}
|
|
}
|
|
|
|
#ifdef CONFIG_DBUS
|
|
/** @name DBus hooks
|
|
*/
|
|
///@{
|
|
|
|
/**
|
|
* Set w->shadow_force of a window.
|
|
*/
|
|
void
|
|
win_set_shadow_force(session_t *ps, win *w, switch_t val) {
|
|
if (val != w->shadow_force) {
|
|
w->shadow_force = val;
|
|
win_determine_shadow(ps, w);
|
|
ps->ev_received = true;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Set w->fade_force of a window.
|
|
*/
|
|
void
|
|
win_set_fade_force(session_t *ps, win *w, switch_t val) {
|
|
if (val != w->fade_force) {
|
|
w->fade_force = val;
|
|
win_determine_fade(ps, w);
|
|
ps->ev_received = true;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Set w->focused_force of a window.
|
|
*/
|
|
void
|
|
win_set_focused_force(session_t *ps, win *w, switch_t val) {
|
|
if (val != w->focused_force) {
|
|
w->focused_force = val;
|
|
win_update_focused(ps, w);
|
|
ps->ev_received = true;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Set w->invert_color_force of a window.
|
|
*/
|
|
void
|
|
win_set_invert_color_force(session_t *ps, win *w, switch_t val) {
|
|
if (val != w->invert_color_force) {
|
|
w->invert_color_force = val;
|
|
win_determine_invert_color(ps, w);
|
|
ps->ev_received = true;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Enable focus tracking.
|
|
*/
|
|
void
|
|
opts_init_track_focus(session_t *ps) {
|
|
// Already tracking focus
|
|
if (ps->o.track_focus)
|
|
return;
|
|
|
|
ps->o.track_focus = true;
|
|
|
|
if (!ps->o.use_ewmh_active_win) {
|
|
// Start listening to FocusChange events
|
|
for (win *w = ps->list; w; w = w->next)
|
|
if (IsViewable == w->a.map_state)
|
|
XSelectInput(ps->dpy, w->id,
|
|
determine_evmask(ps, w->id, WIN_EVMODE_FRAME));
|
|
}
|
|
|
|
// Recheck focus
|
|
recheck_focus(ps);
|
|
}
|
|
|
|
/**
|
|
* Set no_fading_openclose option.
|
|
*/
|
|
void
|
|
opts_set_no_fading_openclose(session_t *ps, bool newval) {
|
|
if (newval != ps->o.no_fading_openclose) {
|
|
ps->o.no_fading_openclose = newval;
|
|
for (win *w = ps->list; w; w = w->next)
|
|
win_determine_fade(ps, w);
|
|
ps->ev_received = true;
|
|
}
|
|
}
|
|
|
|
//!@}
|
|
#endif
|
|
|
|
static inline int __attribute__((unused))
|
|
ev_serial(xcb_generic_event_t *ev) {
|
|
return ev->full_sequence;
|
|
}
|
|
|
|
static inline const char * __attribute__((unused))
|
|
ev_name(session_t *ps, xcb_generic_event_t *ev) {
|
|
static char buf[128];
|
|
switch (ev->response_type & 0x7f) {
|
|
CASESTRRET(FocusIn);
|
|
CASESTRRET(FocusOut);
|
|
CASESTRRET(CreateNotify);
|
|
CASESTRRET(ConfigureNotify);
|
|
CASESTRRET(DestroyNotify);
|
|
CASESTRRET(MapNotify);
|
|
CASESTRRET(UnmapNotify);
|
|
CASESTRRET(ReparentNotify);
|
|
CASESTRRET(CirculateNotify);
|
|
CASESTRRET(Expose);
|
|
CASESTRRET(PropertyNotify);
|
|
CASESTRRET(ClientMessage);
|
|
}
|
|
|
|
if (ps->damage_event + XCB_DAMAGE_NOTIFY == ev->response_type)
|
|
return "Damage";
|
|
|
|
if (ps->shape_exists && ev->response_type == ps->shape_event)
|
|
return "ShapeNotify";
|
|
|
|
#ifdef CONFIG_XSYNC
|
|
if (ps->xsync_exists) {
|
|
int o = ev->response_type - ps->xsync_event;
|
|
switch (o) {
|
|
CASESTRRET(XSyncCounterNotify);
|
|
CASESTRRET(XSyncAlarmNotify);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
sprintf(buf, "Event %d", ev->response_type);
|
|
|
|
return buf;
|
|
}
|
|
|
|
static inline Window __attribute__((unused))
|
|
ev_window(session_t *ps, xcb_generic_event_t *ev) {
|
|
switch (ev->response_type) {
|
|
case FocusIn:
|
|
case FocusOut:
|
|
return ((xcb_focus_in_event_t *)ev)->event;
|
|
case CreateNotify:
|
|
return ((xcb_create_notify_event_t *)ev)->window;
|
|
case ConfigureNotify:
|
|
return ((xcb_configure_notify_event_t *)ev)->window;
|
|
case DestroyNotify:
|
|
return ((xcb_destroy_notify_event_t *)ev)->window;
|
|
case MapNotify:
|
|
return ((xcb_map_notify_event_t *)ev)->window;
|
|
case UnmapNotify:
|
|
return ((xcb_unmap_notify_event_t *)ev)->window;
|
|
case ReparentNotify:
|
|
return ((xcb_reparent_notify_event_t *)ev)->window;
|
|
case CirculateNotify:
|
|
return ((xcb_circulate_notify_event_t *)ev)->window;
|
|
case Expose:
|
|
return ((xcb_expose_event_t *)ev)->window;
|
|
case PropertyNotify:
|
|
return ((xcb_property_notify_event_t *)ev)->window;
|
|
case ClientMessage:
|
|
return ((xcb_client_message_event_t *)ev)->window;
|
|
default:
|
|
if (ps->damage_event + XCB_DAMAGE_NOTIFY == ev->response_type) {
|
|
return ((xcb_damage_notify_event_t *)ev)->drawable;
|
|
}
|
|
|
|
if (ps->shape_exists && ev->response_type == ps->shape_event) {
|
|
return ((xcb_shape_notify_event_t *) ev)->affected_window;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
static inline const char *
|
|
ev_focus_mode_name(xcb_focus_in_event_t* ev) {
|
|
switch (ev->mode) {
|
|
CASESTRRET(NotifyNormal);
|
|
CASESTRRET(NotifyWhileGrabbed);
|
|
CASESTRRET(NotifyGrab);
|
|
CASESTRRET(NotifyUngrab);
|
|
}
|
|
|
|
return "Unknown";
|
|
}
|
|
|
|
static inline const char *
|
|
ev_focus_detail_name(xcb_focus_in_event_t* ev) {
|
|
switch (ev->detail) {
|
|
CASESTRRET(NotifyAncestor);
|
|
CASESTRRET(NotifyVirtual);
|
|
CASESTRRET(NotifyInferior);
|
|
CASESTRRET(NotifyNonlinear);
|
|
CASESTRRET(NotifyNonlinearVirtual);
|
|
CASESTRRET(NotifyPointer);
|
|
CASESTRRET(NotifyPointerRoot);
|
|
CASESTRRET(NotifyDetailNone);
|
|
}
|
|
|
|
return "Unknown";
|
|
}
|
|
|
|
static inline void __attribute__((unused))
|
|
ev_focus_report(xcb_focus_in_event_t *ev) {
|
|
printf(" { mode: %s, detail: %s }\n", ev_focus_mode_name(ev),
|
|
ev_focus_detail_name(ev));
|
|
}
|
|
|
|
// === Events ===
|
|
|
|
/**
|
|
* Determine whether we should respond to a <code>FocusIn/Out</code>
|
|
* event.
|
|
*/
|
|
/*
|
|
inline static bool
|
|
ev_focus_accept(XFocusChangeEvent *ev) {
|
|
return NotifyNormal == ev->mode || NotifyUngrab == ev->mode;
|
|
}
|
|
*/
|
|
|
|
static inline void
|
|
ev_focus_in(session_t *ps, xcb_focus_in_event_t *ev) {
|
|
#ifdef DEBUG_EVENTS
|
|
ev_focus_report(ev);
|
|
#endif
|
|
|
|
recheck_focus(ps);
|
|
}
|
|
|
|
inline static void
|
|
ev_focus_out(session_t *ps, xcb_focus_out_event_t *ev) {
|
|
#ifdef DEBUG_EVENTS
|
|
ev_focus_report(ev);
|
|
#endif
|
|
|
|
recheck_focus(ps);
|
|
}
|
|
|
|
inline static void
|
|
ev_create_notify(session_t *ps, xcb_create_notify_event_t *ev) {
|
|
assert(ev->parent == ps->root);
|
|
add_win(ps, ev->window, 0);
|
|
}
|
|
|
|
inline static void
|
|
ev_configure_notify(session_t *ps, xcb_configure_notify_event_t *ev) {
|
|
#ifdef DEBUG_EVENTS
|
|
printf(" { send_event: %d, "
|
|
" above: %#010x, "
|
|
" override_redirect: %d }\n",
|
|
ev->event, ev->above_sibling, ev->override_redirect);
|
|
#endif
|
|
configure_win(ps, ev);
|
|
}
|
|
|
|
inline static void
|
|
ev_destroy_notify(session_t *ps, xcb_destroy_notify_event_t *ev) {
|
|
destroy_win(ps, ev->window);
|
|
}
|
|
|
|
inline static void
|
|
ev_map_notify(session_t *ps, xcb_map_notify_event_t *ev) {
|
|
map_win(ps, ev->window);
|
|
}
|
|
|
|
inline static void
|
|
ev_unmap_notify(session_t *ps, xcb_unmap_notify_event_t *ev) {
|
|
win *w = find_win(ps, ev->window);
|
|
|
|
if (w)
|
|
unmap_win(ps, w);
|
|
}
|
|
|
|
inline static void
|
|
ev_reparent_notify(session_t *ps, xcb_reparent_notify_event_t *ev) {
|
|
#ifdef DEBUG_EVENTS
|
|
printf_dbg(" { new_parent: %#010x, override_redirect: %d }\n",
|
|
ev->parent, ev->override_redirect);
|
|
#endif
|
|
|
|
if (ev->parent == ps->root) {
|
|
add_win(ps, ev->window, 0);
|
|
} else {
|
|
destroy_win(ps, ev->window);
|
|
|
|
// Reset event mask in case something wrong happens
|
|
XSelectInput(ps->dpy, ev->window,
|
|
determine_evmask(ps, ev->window, WIN_EVMODE_UNKNOWN));
|
|
|
|
// Check if the window is an undetected client window
|
|
// Firstly, check if it's a known client window
|
|
if (!find_toplevel(ps, ev->window)) {
|
|
// If not, look for its frame window
|
|
win *w_top = find_toplevel2(ps, ev->parent);
|
|
// If found, and the client window has not been determined, or its
|
|
// frame may not have a correct client, continue
|
|
if (w_top && (!w_top->client_win
|
|
|| w_top->client_win == w_top->id)) {
|
|
// If it has WM_STATE, mark it the client window
|
|
if (wid_has_prop(ps, ev->window, ps->atom_client)) {
|
|
w_top->wmwin = false;
|
|
win_unmark_client(ps, w_top);
|
|
win_mark_client(ps, w_top, ev->window);
|
|
}
|
|
// Otherwise, watch for WM_STATE on it
|
|
else {
|
|
XSelectInput(ps->dpy, ev->window,
|
|
determine_evmask(ps, ev->window, WIN_EVMODE_UNKNOWN)
|
|
| PropertyChangeMask);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
inline static void
|
|
ev_circulate_notify(session_t *ps, xcb_circulate_notify_event_t *ev) {
|
|
circulate_win(ps, ev);
|
|
}
|
|
|
|
inline static void
|
|
ev_expose(session_t *ps, xcb_expose_event_t *ev) {
|
|
if (ev->window == ps->root || (ps->overlay && ev->window == ps->overlay)) {
|
|
int more = ev->count + 1;
|
|
if (ps->n_expose == ps->size_expose) {
|
|
if (ps->expose_rects) {
|
|
ps->expose_rects = realloc(ps->expose_rects,
|
|
(ps->size_expose + more) * sizeof(XRectangle));
|
|
ps->size_expose += more;
|
|
} else {
|
|
ps->expose_rects = malloc(more * sizeof(XRectangle));
|
|
ps->size_expose = more;
|
|
}
|
|
}
|
|
|
|
ps->expose_rects[ps->n_expose].x = ev->x;
|
|
ps->expose_rects[ps->n_expose].y = ev->y;
|
|
ps->expose_rects[ps->n_expose].width = ev->width;
|
|
ps->expose_rects[ps->n_expose].height = ev->height;
|
|
ps->n_expose++;
|
|
|
|
if (ev->count == 0) {
|
|
expose_root(ps, ps->expose_rects, ps->n_expose);
|
|
ps->n_expose = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Update current active window based on EWMH _NET_ACTIVE_WIN.
|
|
*
|
|
* Does not change anything if we fail to get the attribute or the window
|
|
* returned could not be found.
|
|
*/
|
|
static void
|
|
update_ewmh_active_win(session_t *ps) {
|
|
// Search for the window
|
|
Window wid = wid_get_prop_window(ps, ps->root, ps->atom_ewmh_active_win);
|
|
win *w = find_win_all(ps, wid);
|
|
|
|
// Mark the window focused. No need to unfocus the previous one.
|
|
if (w) win_set_focused(ps, w, true);
|
|
}
|
|
|
|
inline static void
|
|
ev_property_notify(session_t *ps, xcb_property_notify_event_t *ev) {
|
|
#ifdef DEBUG_EVENTS
|
|
{
|
|
// Print out changed atom
|
|
char *name = XGetAtomName(ps->dpy, ev->atom);
|
|
printf_dbg(" { atom = %s }\n", name);
|
|
cxfree(name);
|
|
}
|
|
#endif
|
|
|
|
if (ps->root == ev->window) {
|
|
if (ps->o.track_focus && ps->o.use_ewmh_active_win
|
|
&& ps->atom_ewmh_active_win == ev->atom) {
|
|
update_ewmh_active_win(ps);
|
|
}
|
|
else {
|
|
// Destroy the root "image" if the wallpaper probably changed
|
|
for (int p = 0; background_props_str[p]; p++) {
|
|
if (ev->atom == get_atom(ps, background_props_str[p])) {
|
|
root_damaged(ps);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Unconcerned about any other proprties on root window
|
|
return;
|
|
}
|
|
|
|
// If WM_STATE changes
|
|
if (ev->atom == ps->atom_client) {
|
|
// Check whether it could be a client window
|
|
if (!find_toplevel(ps, ev->window)) {
|
|
// Reset event mask anyway
|
|
XSelectInput(ps->dpy, ev->window,
|
|
determine_evmask(ps, ev->window, WIN_EVMODE_UNKNOWN));
|
|
|
|
win *w_top = find_toplevel2(ps, ev->window);
|
|
// Initialize client_win as early as possible
|
|
if (w_top && (!w_top->client_win || w_top->client_win == w_top->id)
|
|
&& wid_has_prop(ps, ev->window, ps->atom_client)) {
|
|
w_top->wmwin = false;
|
|
win_unmark_client(ps, w_top);
|
|
win_mark_client(ps, w_top, ev->window);
|
|
}
|
|
}
|
|
}
|
|
|
|
// If _NET_WM_WINDOW_TYPE changes... God knows why this would happen, but
|
|
// there are always some stupid applications. (#144)
|
|
if (ev->atom == ps->atom_win_type) {
|
|
win *w = NULL;
|
|
if ((w = find_toplevel(ps, ev->window)))
|
|
win_upd_wintype(ps, w);
|
|
}
|
|
|
|
// If _NET_WM_OPACITY changes
|
|
if (ev->atom == ps->atom_opacity) {
|
|
win *w = find_win(ps, ev->window) ?: find_toplevel(ps, ev->window);
|
|
if (w) {
|
|
win_update_opacity_prop(ps, w);
|
|
w->flags |= WFLAG_OPCT_CHANGE;
|
|
}
|
|
}
|
|
|
|
// If frame extents property changes
|
|
if (ps->o.frame_opacity && ev->atom == ps->atom_frame_extents) {
|
|
win *w = find_toplevel(ps, ev->window);
|
|
if (w) {
|
|
win_get_frame_extents(ps, w, ev->window);
|
|
// If frame extents change, the window needs repaint
|
|
add_damage_from_win(ps, w);
|
|
}
|
|
}
|
|
|
|
// If name changes
|
|
if (ps->o.track_wdata
|
|
&& (ps->atom_name == ev->atom || ps->atom_name_ewmh == ev->atom)) {
|
|
win *w = find_toplevel(ps, ev->window);
|
|
if (w && 1 == win_get_name(ps, w)) {
|
|
win_on_factor_change(ps, w);
|
|
}
|
|
}
|
|
|
|
// If class changes
|
|
if (ps->o.track_wdata && ps->atom_class == ev->atom) {
|
|
win *w = find_toplevel(ps, ev->window);
|
|
if (w) {
|
|
win_get_class(ps, w);
|
|
win_on_factor_change(ps, w);
|
|
}
|
|
}
|
|
|
|
// If role changes
|
|
if (ps->o.track_wdata && ps->atom_role == ev->atom) {
|
|
win *w = find_toplevel(ps, ev->window);
|
|
if (w && 1 == win_get_role(ps, w)) {
|
|
win_on_factor_change(ps, w);
|
|
}
|
|
}
|
|
|
|
// If _COMPTON_SHADOW changes
|
|
if (ps->o.respect_prop_shadow && ps->atom_compton_shadow == ev->atom) {
|
|
win *w = find_win(ps, ev->window);
|
|
if (w)
|
|
win_update_prop_shadow(ps, w);
|
|
}
|
|
|
|
// If a leader property changes
|
|
if ((ps->o.detect_transient && ps->atom_transient == ev->atom)
|
|
|| (ps->o.detect_client_leader && ps->atom_client_leader == ev->atom)) {
|
|
win *w = find_toplevel(ps, ev->window);
|
|
if (w) {
|
|
win_update_leader(ps, w);
|
|
}
|
|
}
|
|
|
|
// Check for other atoms we are tracking
|
|
for (latom_t *platom = ps->track_atom_lst; platom; platom = platom->next) {
|
|
if (platom->atom == ev->atom) {
|
|
win *w = find_win(ps, ev->window);
|
|
if (!w)
|
|
w = find_toplevel(ps, ev->window);
|
|
if (w)
|
|
win_on_factor_change(ps, w);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
inline static void
|
|
ev_damage_notify(session_t *ps, xcb_damage_notify_event_t *de) {
|
|
/*
|
|
if (ps->root == de->drawable) {
|
|
root_damaged();
|
|
return;
|
|
} */
|
|
|
|
win *w = find_win(ps, de->drawable);
|
|
|
|
if (!w) return;
|
|
|
|
repair_win(ps, w);
|
|
}
|
|
|
|
inline static void
|
|
ev_shape_notify(session_t *ps, xcb_shape_notify_event_t *ev) {
|
|
win *w = find_win(ps, ev->affected_window);
|
|
if (!w || IsUnmapped == w->a.map_state) return;
|
|
|
|
/*
|
|
* Empty border_size may indicated an
|
|
* unmapped/destroyed window, in which case
|
|
* seemingly BadRegion errors would be triggered
|
|
* if we attempt to rebuild border_size
|
|
*/
|
|
if (w->border_size) {
|
|
// Mark the old border_size as damaged
|
|
add_damage(ps, w->border_size);
|
|
|
|
w->border_size = win_border_size(ps, w, true);
|
|
|
|
// Mark the new border_size as damaged
|
|
add_damage(ps, copy_region(ps, w->border_size));
|
|
}
|
|
|
|
// Redo bounding shape detection and rounded corner detection
|
|
win_update_shape(ps, w);
|
|
|
|
update_reg_ignore_expire(ps, w);
|
|
}
|
|
|
|
/**
|
|
* Handle ScreenChangeNotify events from X RandR extension.
|
|
*/
|
|
static void
|
|
ev_screen_change_notify(session_t *ps,
|
|
xcb_randr_screen_change_notify_event_t __attribute__((unused)) *ev) {
|
|
if (ps->o.xinerama_shadow_crop)
|
|
cxinerama_upd_scrs(ps);
|
|
|
|
if (ps->o.sw_opti && !ps->o.refresh_rate) {
|
|
update_refresh_rate(ps);
|
|
if (!ps->refresh_rate) {
|
|
fprintf(stderr, "ev_screen_change_notify(): Refresh rate detection "
|
|
"failed, --sw-opti disabled.");
|
|
ps->o.sw_opti = false;
|
|
}
|
|
}
|
|
}
|
|
|
|
inline static void
|
|
ev_selection_clear(session_t *ps,
|
|
xcb_selection_clear_event_t __attribute__((unused)) *ev) {
|
|
// The only selection we own is the _NET_WM_CM_Sn selection.
|
|
// If we lose that one, we should exit.
|
|
fprintf(stderr, "Another composite manager started and "
|
|
"took the _NET_WM_CM_Sn selection.\n");
|
|
exit(1);
|
|
}
|
|
|
|
/**
|
|
* Get a window's name from window ID.
|
|
*/
|
|
static inline void __attribute__((unused))
|
|
ev_window_name(session_t *ps, Window wid, char **name) {
|
|
*name = "";
|
|
if (wid) {
|
|
*name = "(Failed to get title)";
|
|
if (ps->root == wid)
|
|
*name = "(Root window)";
|
|
else if (ps->overlay == wid)
|
|
*name = "(Overlay)";
|
|
else {
|
|
win *w = find_win(ps, wid);
|
|
if (!w)
|
|
w = find_toplevel(ps, wid);
|
|
|
|
if (w)
|
|
win_get_name(ps, w);
|
|
if (w && w->name)
|
|
*name = w->name;
|
|
else
|
|
*name = "unknown";
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
ev_handle(session_t *ps, xcb_generic_event_t *ev) {
|
|
if ((ev->response_type & 0x7f) != KeymapNotify) {
|
|
discard_ignore(ps, ev->full_sequence);
|
|
}
|
|
|
|
#ifdef DEBUG_EVENTS
|
|
if (ev->response_type == ps->damage_event + XCB_DAMAGE_NOTIFY) {
|
|
Window wid = ev_window(ps, ev);
|
|
char *window_name = NULL;
|
|
ev_window_name(ps, wid, &window_name);
|
|
|
|
print_timestamp(ps);
|
|
printf_errf(" event %10.10s serial %#010x window %#010lx \"%s\"\n",
|
|
ev_name(ps, ev), ev_serial(ev), wid, window_name);
|
|
}
|
|
#endif
|
|
|
|
switch (ev->response_type) {
|
|
case FocusIn:
|
|
ev_focus_in(ps, (xcb_focus_in_event_t *)ev);
|
|
break;
|
|
case FocusOut:
|
|
ev_focus_out(ps, (xcb_focus_out_event_t *)ev);
|
|
break;
|
|
case CreateNotify:
|
|
ev_create_notify(ps, (xcb_create_notify_event_t *)ev);
|
|
break;
|
|
case ConfigureNotify:
|
|
ev_configure_notify(ps, (xcb_configure_notify_event_t *)ev);
|
|
break;
|
|
case DestroyNotify:
|
|
ev_destroy_notify(ps, (xcb_destroy_notify_event_t *)ev);
|
|
break;
|
|
case MapNotify:
|
|
ev_map_notify(ps, (xcb_map_notify_event_t *)ev);
|
|
break;
|
|
case UnmapNotify:
|
|
ev_unmap_notify(ps, (xcb_unmap_notify_event_t *)ev);
|
|
break;
|
|
case ReparentNotify:
|
|
ev_reparent_notify(ps, (xcb_reparent_notify_event_t *)ev);
|
|
break;
|
|
case CirculateNotify:
|
|
ev_circulate_notify(ps, (xcb_circulate_notify_event_t *)ev);
|
|
break;
|
|
case Expose:
|
|
ev_expose(ps, (xcb_expose_event_t *)ev);
|
|
break;
|
|
case PropertyNotify:
|
|
ev_property_notify(ps, (xcb_property_notify_event_t *)ev);
|
|
break;
|
|
case SelectionClear:
|
|
ev_selection_clear(ps, (xcb_selection_clear_event_t *)ev);
|
|
break;
|
|
case 0:
|
|
ev_xcb_error(ps, (xcb_generic_error_t *)ev);
|
|
break;
|
|
default:
|
|
if (ps->shape_exists && ev->response_type == ps->shape_event) {
|
|
ev_shape_notify(ps, (xcb_shape_notify_event_t *) ev);
|
|
break;
|
|
}
|
|
if (ps->randr_exists && ev->response_type == (ps->randr_event + XCB_RANDR_SCREEN_CHANGE_NOTIFY)) {
|
|
ev_screen_change_notify(ps, (xcb_randr_screen_change_notify_event_t *) ev);
|
|
break;
|
|
}
|
|
if (ps->damage_event + XCB_DAMAGE_NOTIFY == ev->response_type) {
|
|
ev_damage_notify(ps, (xcb_damage_notify_event_t *) ev);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// === Main ===
|
|
|
|
/**
|
|
* Print usage text and exit.
|
|
*/
|
|
static void
|
|
usage(int ret) {
|
|
#define WARNING_DISABLED " (DISABLED AT COMPILE TIME)"
|
|
#define WARNING
|
|
static const char *usage_text =
|
|
"compton (" COMPTON_VERSION ")\n"
|
|
"This is the maintenance fork of compton, please report\n"
|
|
"bugs to https://github.com/yshui/compton\n\n"
|
|
"usage: compton [options]\n"
|
|
"Options:\n"
|
|
"\n"
|
|
"-d display\n"
|
|
" Which display should be managed.\n"
|
|
"\n"
|
|
"-r radius\n"
|
|
" The blur radius for shadows. (default 12)\n"
|
|
"\n"
|
|
"-o opacity\n"
|
|
" The translucency for shadows. (default .75)\n"
|
|
"\n"
|
|
"-l left-offset\n"
|
|
" The left offset for shadows. (default -15)\n"
|
|
"\n"
|
|
"-t top-offset\n"
|
|
" The top offset for shadows. (default -15)\n"
|
|
"\n"
|
|
"-I fade-in-step\n"
|
|
" Opacity change between steps while fading in. (default 0.028)\n"
|
|
"\n"
|
|
"-O fade-out-step\n"
|
|
" Opacity change between steps while fading out. (default 0.03)\n"
|
|
"\n"
|
|
"-D fade-delta-time\n"
|
|
" The time between steps in a fade in milliseconds. (default 10)\n"
|
|
"\n"
|
|
"-m opacity\n"
|
|
" The opacity for menus. (default 1.0)\n"
|
|
"\n"
|
|
"-c\n"
|
|
" Enabled client-side shadows on windows.\n"
|
|
"\n"
|
|
"-C\n"
|
|
" Avoid drawing shadows on dock/panel windows.\n"
|
|
"\n"
|
|
"-z\n"
|
|
" Zero the part of the shadow's mask behind the window.\n"
|
|
"\n"
|
|
"-f\n"
|
|
" Fade windows in/out when opening/closing and when opacity\n"
|
|
" changes, unless --no-fading-openclose is used.\n"
|
|
"\n"
|
|
"-F\n"
|
|
" Equals to -f. Deprecated.\n"
|
|
"\n"
|
|
"-i opacity\n"
|
|
" Opacity of inactive windows. (0.1 - 1.0)\n"
|
|
"\n"
|
|
"-e opacity\n"
|
|
" Opacity of window titlebars and borders. (0.1 - 1.0)\n"
|
|
"\n"
|
|
"-G\n"
|
|
" Don't draw shadows on DND windows\n"
|
|
"\n"
|
|
"-b\n"
|
|
" Daemonize process.\n"
|
|
"\n"
|
|
"-S\n"
|
|
" Enable synchronous operation (for debugging).\n"
|
|
"\n"
|
|
"--show-all-xerrors\n"
|
|
" Show all X errors (for debugging).\n"
|
|
"\n"
|
|
#undef WARNING
|
|
#ifndef CONFIG_LIBCONFIG
|
|
#define WARNING WARNING_DISABLED
|
|
#else
|
|
#define WARNING
|
|
#endif
|
|
"--config path\n"
|
|
" Look for configuration file at the path. Use /dev/null to avoid\n"
|
|
" loading configuration file." WARNING "\n"
|
|
"\n"
|
|
"--write-pid-path path\n"
|
|
" Write process ID to a file.\n"
|
|
"\n"
|
|
"--shadow-red value\n"
|
|
" Red color value of shadow (0.0 - 1.0, defaults to 0).\n"
|
|
"\n"
|
|
"--shadow-green value\n"
|
|
" Green color value of shadow (0.0 - 1.0, defaults to 0).\n"
|
|
"\n"
|
|
"--shadow-blue value\n"
|
|
" Blue color value of shadow (0.0 - 1.0, defaults to 0).\n"
|
|
"\n"
|
|
"--inactive-opacity-override\n"
|
|
" Inactive opacity set by -i overrides value of _NET_WM_OPACITY.\n"
|
|
"\n"
|
|
"--inactive-dim value\n"
|
|
" Dim inactive windows. (0.0 - 1.0, defaults to 0)\n"
|
|
"\n"
|
|
"--active-opacity opacity\n"
|
|
" Default opacity for active windows. (0.0 - 1.0)\n"
|
|
"\n"
|
|
"--mark-wmwin-focused\n"
|
|
" Try to detect WM windows and mark them as active.\n"
|
|
"\n"
|
|
"--shadow-exclude condition\n"
|
|
" Exclude conditions for shadows.\n"
|
|
"\n"
|
|
"--fade-exclude condition\n"
|
|
" Exclude conditions for fading.\n"
|
|
"\n"
|
|
"--mark-ovredir-focused\n"
|
|
" Mark windows that have no WM frame as active.\n"
|
|
"\n"
|
|
"--no-fading-openclose\n"
|
|
" Do not fade on window open/close.\n"
|
|
"\n"
|
|
"--no-fading-destroyed-argb\n"
|
|
" Do not fade destroyed ARGB windows with WM frame. Workaround of bugs\n"
|
|
" in Openbox, Fluxbox, etc.\n"
|
|
"\n"
|
|
"--shadow-ignore-shaped\n"
|
|
" Do not paint shadows on shaped windows. (Deprecated, use\n"
|
|
" --shadow-exclude \'bounding_shaped\' or\n"
|
|
" --shadow-exclude \'bounding_shaped && !rounded_corners\' instead.)\n"
|
|
"\n"
|
|
"--detect-rounded-corners\n"
|
|
" Try to detect windows with rounded corners and don't consider\n"
|
|
" them shaped windows. Affects --shadow-ignore-shaped,\n"
|
|
" --unredir-if-possible, and possibly others. You need to turn this\n"
|
|
" on manually if you want to match against rounded_corners in\n"
|
|
" conditions.\n"
|
|
"\n"
|
|
"--detect-client-opacity\n"
|
|
" Detect _NET_WM_OPACITY on client windows, useful for window\n"
|
|
" managers not passing _NET_WM_OPACITY of client windows to frame\n"
|
|
" windows.\n"
|
|
"\n"
|
|
"--refresh-rate val\n"
|
|
" Specify refresh rate of the screen. If not specified or 0, compton\n"
|
|
" will try detecting this with X RandR extension.\n"
|
|
"\n"
|
|
"--vsync vsync-method\n"
|
|
" Set VSync method. There are (up to) 5 VSync methods currently\n"
|
|
" available:\n"
|
|
" none = No VSync\n"
|
|
#undef WARNING
|
|
#ifndef CONFIG_VSYNC_DRM
|
|
#define WARNING WARNING_DISABLED
|
|
#else
|
|
#define WARNING
|
|
#endif
|
|
" drm = VSync with DRM_IOCTL_WAIT_VBLANK. May only work on some\n"
|
|
" (DRI-based) drivers." WARNING "\n"
|
|
#undef WARNING
|
|
#ifndef CONFIG_OPENGL
|
|
#define WARNING WARNING_DISABLED
|
|
#else
|
|
#define WARNING
|
|
#endif
|
|
" opengl = Try to VSync with SGI_video_sync OpenGL extension. Only\n"
|
|
" work on some drivers." WARNING"\n"
|
|
" opengl-oml = Try to VSync with OML_sync_control OpenGL extension.\n"
|
|
" Only work on some drivers." WARNING"\n"
|
|
" opengl-swc = Try to VSync with SGI_swap_control OpenGL extension.\n"
|
|
" Only work on some drivers. Works only with GLX backend." WARNING "\n"
|
|
" opengl-mswc = Try to VSync with MESA_swap_control OpenGL\n"
|
|
" extension. Basically the same as opengl-swc above, except the\n"
|
|
" extension we use." WARNING "\n"
|
|
"\n"
|
|
"--vsync-aggressive\n"
|
|
" Attempt to send painting request before VBlank and do XFlush()\n"
|
|
" during VBlank. This switch may be lifted out at any moment.\n"
|
|
"\n"
|
|
"--alpha-step val\n"
|
|
" X Render backend: Step for pregenerating alpha pictures. \n"
|
|
" 0.01 - 1.0. Defaults to 0.03.\n"
|
|
"\n"
|
|
"--dbe\n"
|
|
" Enable DBE painting mode, intended to use with VSync to\n"
|
|
" (hopefully) eliminate tearing.\n"
|
|
"\n"
|
|
"--paint-on-overlay\n"
|
|
" Painting on X Composite overlay window.\n"
|
|
"\n"
|
|
"--sw-opti\n"
|
|
" Limit compton to repaint at most once every 1 / refresh_rate\n"
|
|
" second to boost performance.\n"
|
|
"\n"
|
|
"--use-ewmh-active-win\n"
|
|
" Use _NET_WM_ACTIVE_WINDOW on the root window to determine which\n"
|
|
" window is focused instead of using FocusIn/Out events.\n"
|
|
"\n"
|
|
"--respect-prop-shadow\n"
|
|
" Respect _COMPTON_SHADOW. This a prototype-level feature, which\n"
|
|
" you must not rely on.\n"
|
|
"\n"
|
|
"--unredir-if-possible\n"
|
|
" Unredirect all windows if a full-screen opaque window is\n"
|
|
" detected, to maximize performance for full-screen windows.\n"
|
|
"\n"
|
|
"--unredir-if-possible-delay ms\n"
|
|
" Delay before unredirecting the window, in milliseconds.\n"
|
|
" Defaults to 0.\n"
|
|
"\n"
|
|
"--unredir-if-possible-exclude condition\n"
|
|
" Conditions of windows that shouldn't be considered full-screen\n"
|
|
" for unredirecting screen.\n"
|
|
"\n"
|
|
"--focus-exclude condition\n"
|
|
" Specify a list of conditions of windows that should always be\n"
|
|
" considered focused.\n"
|
|
"\n"
|
|
"--inactive-dim-fixed\n"
|
|
" Use fixed inactive dim value.\n"
|
|
"\n"
|
|
"--detect-transient\n"
|
|
" Use WM_TRANSIENT_FOR to group windows, and consider windows in\n"
|
|
" the same group focused at the same time.\n"
|
|
"\n"
|
|
"--detect-client-leader\n"
|
|
" Use WM_CLIENT_LEADER to group windows, and consider windows in\n"
|
|
" the same group focused at the same time. WM_TRANSIENT_FOR has\n"
|
|
" higher priority if --detect-transient is enabled, too.\n"
|
|
"\n"
|
|
"--blur-background\n"
|
|
" Blur background of semi-transparent / ARGB windows. Bad in\n"
|
|
" performance. The switch name may change without prior\n"
|
|
" notifications.\n"
|
|
"\n"
|
|
"--blur-background-frame\n"
|
|
" Blur background of windows when the window frame is not opaque.\n"
|
|
" Implies --blur-background. Bad in performance. The switch name\n"
|
|
" may change.\n"
|
|
"\n"
|
|
"--blur-background-fixed\n"
|
|
" Use fixed blur strength instead of adjusting according to window\n"
|
|
" opacity.\n"
|
|
"\n"
|
|
"--blur-kern matrix\n"
|
|
" Specify the blur convolution kernel, with the following format:\n"
|
|
" WIDTH,HEIGHT,ELE1,ELE2,ELE3,ELE4,ELE5...\n"
|
|
" The element in the center must not be included, it will be forever\n"
|
|
" 1.0 or changing based on opacity, depending on whether you have\n"
|
|
" --blur-background-fixed.\n"
|
|
" A 7x7 Gaussian blur kernel looks like:\n"
|
|
" --blur-kern '7,7,0.000003,0.000102,0.000849,0.001723,0.000849,0.000102,0.000003,0.000102,0.003494,0.029143,0.059106,0.029143,0.003494,0.000102,0.000849,0.029143,0.243117,0.493069,0.243117,0.029143,0.000849,0.001723,0.059106,0.493069,0.493069,0.059106,0.001723,0.000849,0.029143,0.243117,0.493069,0.243117,0.029143,0.000849,0.000102,0.003494,0.029143,0.059106,0.029143,0.003494,0.000102,0.000003,0.000102,0.000849,0.001723,0.000849,0.000102,0.000003'\n"
|
|
" Up to 4 blur kernels may be specified, separated with semicolon, for\n"
|
|
" multi-pass blur.\n"
|
|
" May also be one the predefined kernels: 3x3box (default), 5x5box,\n"
|
|
" 7x7box, 3x3gaussian, 5x5gaussian, 7x7gaussian, 9x9gaussian,\n"
|
|
" 11x11gaussian.\n"
|
|
"\n"
|
|
"--blur-background-exclude condition\n"
|
|
" Exclude conditions for background blur.\n"
|
|
"\n"
|
|
"--resize-damage integer\n"
|
|
" Resize damaged region by a specific number of pixels. A positive\n"
|
|
" value enlarges it while a negative one shrinks it. Useful for\n"
|
|
" fixing the line corruption issues of blur. May or may not\n"
|
|
" work with --glx-no-stencil. Shrinking doesn't function correctly.\n"
|
|
"\n"
|
|
"--invert-color-include condition\n"
|
|
" Specify a list of conditions of windows that should be painted with\n"
|
|
" inverted color. Resource-hogging, and is not well tested.\n"
|
|
"\n"
|
|
"--opacity-rule opacity:condition\n"
|
|
" Specify a list of opacity rules, in the format \"PERCENT:PATTERN\",\n"
|
|
" like \'50:name *= \"Firefox\"'. compton-trans is recommended over\n"
|
|
" this. Note we do not distinguish 100% and unset, and we don't make\n"
|
|
" any guarantee about possible conflicts with other programs that set\n"
|
|
" _NET_WM_WINDOW_OPACITY on frame or client windows.\n"
|
|
"\n"
|
|
"--shadow-exclude-reg geometry\n"
|
|
" Specify a X geometry that describes the region in which shadow\n"
|
|
" should not be painted in, such as a dock window region.\n"
|
|
" Use --shadow-exclude-reg \'x10+0-0\', for example, if the 10 pixels\n"
|
|
" on the bottom of the screen should not have shadows painted on.\n"
|
|
#undef WARNING
|
|
#ifndef CONFIG_XINERAMA
|
|
#define WARNING WARNING_DISABLED
|
|
#else
|
|
#define WARNING
|
|
#endif
|
|
"\n"
|
|
"--xinerama-shadow-crop\n"
|
|
" Crop shadow of a window fully on a particular Xinerama screen to the\n"
|
|
" screen." WARNING "\n"
|
|
"\n"
|
|
#undef WARNING
|
|
#ifndef CONFIG_OPENGL
|
|
#define WARNING "(GLX BACKENDS DISABLED AT COMPILE TIME)"
|
|
#else
|
|
#define WARNING
|
|
#endif
|
|
"--backend backend\n"
|
|
" Choose backend. Possible choices are xrender, glx, and\n"
|
|
" xr_glx_hybrid" WARNING ".\n"
|
|
"\n"
|
|
"--glx-no-stencil\n"
|
|
" GLX backend: Avoid using stencil buffer. Might cause issues\n"
|
|
" when rendering transparent content. My tests show a 15% performance\n"
|
|
" boost.\n"
|
|
"\n"
|
|
"--glx-copy-from-front\n"
|
|
" GLX backend: Copy unmodified regions from front buffer instead of\n"
|
|
" redrawing them all. My tests with nvidia-drivers show a 5% decrease\n"
|
|
" in performance when the whole screen is modified, but a 30% increase\n"
|
|
" when only 1/4 is. My tests on nouveau show terrible slowdown. Could\n"
|
|
" work with --glx-swap-method but not --glx-use-copysubbuffermesa.\n"
|
|
"\n"
|
|
"--glx-use-copysubbuffermesa\n"
|
|
" GLX backend: Use MESA_copy_sub_buffer to do partial screen update.\n"
|
|
" My tests on nouveau shows a 200% performance boost when only 1/4 of\n"
|
|
" the screen is updated. May break VSync and is not available on some\n"
|
|
" drivers. Overrides --glx-copy-from-front.\n"
|
|
"\n"
|
|
"--glx-no-rebind-pixmap\n"
|
|
" GLX backend: Avoid rebinding pixmap on window damage. Probably\n"
|
|
" could improve performance on rapid window content changes, but is\n"
|
|
" known to break things on some drivers (LLVMpipe, xf86-video-intel,\n"
|
|
" etc.).\n"
|
|
"\n"
|
|
"--glx-swap-method undefined/copy/exchange/3/4/5/6/buffer-age\n"
|
|
" GLX backend: GLX buffer swap method we assume. Could be\n"
|
|
" undefined (0), copy (1), exchange (2), 3-6, or buffer-age (-1).\n"
|
|
" \"undefined\" is the slowest and the safest, and the default value.\n"
|
|
" 1 is fastest, but may fail on some drivers, 2-6 are gradually slower\n"
|
|
" but safer (6 is still faster than 0). -1 means auto-detect using\n"
|
|
" GLX_EXT_buffer_age, supported by some drivers. Useless with\n"
|
|
" --glx-use-copysubbuffermesa.\n"
|
|
"\n"
|
|
"--glx-use-gpushader4\n"
|
|
" GLX backend: Use GL_EXT_gpu_shader4 for some optimization on blur\n"
|
|
" GLSL code. My tests on GTX 670 show no noticeable effect.\n"
|
|
"\n"
|
|
"--xrender-sync\n"
|
|
" Attempt to synchronize client applications' draw calls with XSync(),\n"
|
|
" used on GLX backend to ensure up-to-date window content is painted.\n"
|
|
#undef WARNING
|
|
#ifndef CONFIG_XSYNC
|
|
#define WARNING WARNING_DISABLED
|
|
#else
|
|
#define WARNING
|
|
#endif
|
|
"\n"
|
|
"--xrender-sync-fence\n"
|
|
" Additionally use X Sync fence to sync clients' draw calls. Needed\n"
|
|
" on nvidia-drivers with GLX backend for some users." WARNING "\n"
|
|
"\n"
|
|
"--glx-fshader-win shader\n"
|
|
" GLX backend: Use specified GLSL fragment shader for rendering window\n"
|
|
" contents.\n"
|
|
"\n"
|
|
"--force-win-blend\n"
|
|
" Force all windows to be painted with blending. Useful if you have a\n"
|
|
" --glx-fshader-win that could turn opaque pixels transparent.\n"
|
|
"\n"
|
|
#undef WARNING
|
|
#ifndef CONFIG_DBUS
|
|
#define WARNING WARNING_DISABLED
|
|
#else
|
|
#define WARNING
|
|
#endif
|
|
"--dbus\n"
|
|
" Enable remote control via D-Bus. See the D-BUS API section in the\n"
|
|
" man page for more details." WARNING "\n"
|
|
"\n"
|
|
"--benchmark cycles\n"
|
|
" Benchmark mode. Repeatedly paint until reaching the specified cycles.\n"
|
|
"\n"
|
|
"--benchmark-wid window-id\n"
|
|
" Specify window ID to repaint in benchmark mode. If omitted or is 0,\n"
|
|
" the whole screen is repainted.\n"
|
|
;
|
|
FILE *f = (ret ? stderr: stdout);
|
|
fputs(usage_text, f);
|
|
#undef WARNING
|
|
#undef WARNING_DISABLED
|
|
|
|
exit(ret);
|
|
}
|
|
|
|
/**
|
|
* Register a window as symbol, and initialize GLX context if wanted.
|
|
*/
|
|
static bool
|
|
register_cm(session_t *ps) {
|
|
assert(!ps->reg_win);
|
|
|
|
xcb_connection_t *c = XGetXCBConnection(ps->dpy);
|
|
ps->reg_win = XCreateSimpleWindow(ps->dpy, ps->root, 0, 0, 1, 1, 0,
|
|
None, None);
|
|
|
|
if (!ps->reg_win) {
|
|
printf_errf("(): Failed to create window.");
|
|
return false;
|
|
}
|
|
|
|
// Unredirect the window if it's redirected, just in case
|
|
if (ps->redirected)
|
|
xcb_composite_unredirect_window(c, ps->reg_win, XCB_COMPOSITE_REDIRECT_MANUAL);
|
|
|
|
{
|
|
XClassHint *h = XAllocClassHint();
|
|
if (h) {
|
|
h->res_name = "compton";
|
|
h->res_class = "xcompmgr";
|
|
}
|
|
Xutf8SetWMProperties(ps->dpy, ps->reg_win, "xcompmgr", "xcompmgr",
|
|
NULL, 0, NULL, NULL, h);
|
|
cxfree(h);
|
|
}
|
|
|
|
// Set _NET_WM_PID
|
|
{
|
|
long pid = getpid();
|
|
if (!XChangeProperty(ps->dpy, ps->reg_win,
|
|
get_atom(ps, "_NET_WM_PID"), XA_CARDINAL, 32, PropModeReplace,
|
|
(unsigned char *) &pid, 1)) {
|
|
printf_errf("(): Failed to set _NET_WM_PID.");
|
|
}
|
|
}
|
|
|
|
// Set COMPTON_VERSION
|
|
if (!wid_set_text_prop(ps, ps->reg_win, get_atom(ps, "COMPTON_VERSION"), COMPTON_VERSION)) {
|
|
printf_errf("(): Failed to set COMPTON_VERSION.");
|
|
}
|
|
|
|
// Acquire X Selection _NET_WM_CM_S?
|
|
if (!ps->o.no_x_selection) {
|
|
unsigned len = strlen(REGISTER_PROP) + 2;
|
|
int s = ps->scr;
|
|
Atom atom;
|
|
|
|
while (s >= 10) {
|
|
++len;
|
|
s /= 10;
|
|
}
|
|
|
|
char *buf = malloc(len);
|
|
snprintf(buf, len, REGISTER_PROP "%d", ps->scr);
|
|
buf[len - 1] = '\0';
|
|
atom = get_atom(ps, buf);
|
|
|
|
if (XGetSelectionOwner(ps->dpy, atom) != None) {
|
|
fprintf(stderr, "Another composite manager is already running\n");
|
|
return false;
|
|
}
|
|
XSetSelectionOwner(ps->dpy, atom, ps->reg_win, 0);
|
|
free(buf);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Reopen streams for logging.
|
|
*/
|
|
static bool
|
|
ostream_reopen(session_t *ps, const char *path) {
|
|
if (!path)
|
|
path = ps->o.logpath;
|
|
if (!path)
|
|
path = "/dev/null";
|
|
|
|
bool success = freopen(path, "a", stdout);
|
|
success = freopen(path, "a", stderr) && success;
|
|
if (!success)
|
|
printf_errfq(1, "(%s): freopen() failed.", path);
|
|
|
|
return success;
|
|
}
|
|
|
|
/**
|
|
* Fork program to background and disable all I/O streams.
|
|
*/
|
|
static inline bool
|
|
fork_after(session_t *ps) {
|
|
if (getppid() == 1)
|
|
return true;
|
|
|
|
#ifdef CONFIG_OPENGL
|
|
// GLX context must be released and reattached on fork
|
|
if (glx_has_context(ps) && !glXMakeCurrent(ps->dpy, None, NULL)) {
|
|
printf_errf("(): Failed to detach GLx context.");
|
|
return false;
|
|
}
|
|
#endif
|
|
|
|
int pid = fork();
|
|
|
|
if (-1 == pid) {
|
|
printf_errf("(): fork() failed.");
|
|
return false;
|
|
}
|
|
|
|
if (pid > 0) _exit(0);
|
|
|
|
setsid();
|
|
|
|
#ifdef CONFIG_OPENGL
|
|
if (glx_has_context(ps)
|
|
&& !glXMakeCurrent(ps->dpy, get_tgt_window(ps), ps->psglx->context)) {
|
|
printf_errf("(): Failed to make GLX context current.");
|
|
return false;
|
|
}
|
|
#endif
|
|
|
|
// Mainly to suppress the _FORTIFY_SOURCE warning
|
|
bool success = freopen("/dev/null", "r", stdin);
|
|
if (!success) {
|
|
printf_errf("(): freopen() failed.");
|
|
return false;
|
|
}
|
|
|
|
return success;
|
|
}
|
|
|
|
/**
|
|
* Write PID to a file.
|
|
*/
|
|
static inline bool
|
|
write_pid(session_t *ps) {
|
|
if (!ps->o.write_pid_path)
|
|
return true;
|
|
|
|
FILE *f = fopen(ps->o.write_pid_path, "w");
|
|
if (unlikely(!f)) {
|
|
printf_errf("(): Failed to write PID to \"%s\".", ps->o.write_pid_path);
|
|
return false;
|
|
}
|
|
|
|
fprintf(f, "%ld\n", (long) getpid());
|
|
fclose(f);
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Process arguments and configuration files.
|
|
*/
|
|
static void
|
|
get_cfg(session_t *ps, int argc, char *const *argv, bool first_pass) {
|
|
static const char *shortopts = "D:I:O:d:r:o:m:l:t:i:e:hscnfFCaSzGb";
|
|
static const struct option longopts[] = {
|
|
{ "help", no_argument, NULL, 'h' },
|
|
{ "config", required_argument, NULL, 256 },
|
|
{ "shadow-radius", required_argument, NULL, 'r' },
|
|
{ "shadow-opacity", required_argument, NULL, 'o' },
|
|
{ "shadow-offset-x", required_argument, NULL, 'l' },
|
|
{ "shadow-offset-y", required_argument, NULL, 't' },
|
|
{ "fade-in-step", required_argument, NULL, 'I' },
|
|
{ "fade-out-step", required_argument, NULL, 'O' },
|
|
{ "fade-delta", required_argument, NULL, 'D' },
|
|
{ "menu-opacity", required_argument, NULL, 'm' },
|
|
{ "shadow", no_argument, NULL, 'c' },
|
|
{ "no-dock-shadow", no_argument, NULL, 'C' },
|
|
{ "clear-shadow", no_argument, NULL, 'z' },
|
|
{ "fading", no_argument, NULL, 'f' },
|
|
{ "inactive-opacity", required_argument, NULL, 'i' },
|
|
{ "frame-opacity", required_argument, NULL, 'e' },
|
|
{ "daemon", no_argument, NULL, 'b' },
|
|
{ "no-dnd-shadow", no_argument, NULL, 'G' },
|
|
{ "shadow-red", required_argument, NULL, 257 },
|
|
{ "shadow-green", required_argument, NULL, 258 },
|
|
{ "shadow-blue", required_argument, NULL, 259 },
|
|
{ "inactive-opacity-override", no_argument, NULL, 260 },
|
|
{ "inactive-dim", required_argument, NULL, 261 },
|
|
{ "mark-wmwin-focused", no_argument, NULL, 262 },
|
|
{ "shadow-exclude", required_argument, NULL, 263 },
|
|
{ "mark-ovredir-focused", no_argument, NULL, 264 },
|
|
{ "no-fading-openclose", no_argument, NULL, 265 },
|
|
{ "shadow-ignore-shaped", no_argument, NULL, 266 },
|
|
{ "detect-rounded-corners", no_argument, NULL, 267 },
|
|
{ "detect-client-opacity", no_argument, NULL, 268 },
|
|
{ "refresh-rate", required_argument, NULL, 269 },
|
|
{ "vsync", required_argument, NULL, 270 },
|
|
{ "alpha-step", required_argument, NULL, 271 },
|
|
{ "dbe", no_argument, NULL, 272 },
|
|
{ "paint-on-overlay", no_argument, NULL, 273 },
|
|
{ "sw-opti", no_argument, NULL, 274 },
|
|
{ "vsync-aggressive", no_argument, NULL, 275 },
|
|
{ "use-ewmh-active-win", no_argument, NULL, 276 },
|
|
{ "respect-prop-shadow", no_argument, NULL, 277 },
|
|
{ "unredir-if-possible", no_argument, NULL, 278 },
|
|
{ "focus-exclude", required_argument, NULL, 279 },
|
|
{ "inactive-dim-fixed", no_argument, NULL, 280 },
|
|
{ "detect-transient", no_argument, NULL, 281 },
|
|
{ "detect-client-leader", no_argument, NULL, 282 },
|
|
{ "blur-background", no_argument, NULL, 283 },
|
|
{ "blur-background-frame", no_argument, NULL, 284 },
|
|
{ "blur-background-fixed", no_argument, NULL, 285 },
|
|
{ "dbus", no_argument, NULL, 286 },
|
|
{ "logpath", required_argument, NULL, 287 },
|
|
{ "invert-color-include", required_argument, NULL, 288 },
|
|
{ "opengl", no_argument, NULL, 289 },
|
|
{ "backend", required_argument, NULL, 290 },
|
|
{ "glx-no-stencil", no_argument, NULL, 291 },
|
|
{ "glx-copy-from-front", no_argument, NULL, 292 },
|
|
{ "benchmark", required_argument, NULL, 293 },
|
|
{ "benchmark-wid", required_argument, NULL, 294 },
|
|
{ "glx-use-copysubbuffermesa", no_argument, NULL, 295 },
|
|
{ "blur-background-exclude", required_argument, NULL, 296 },
|
|
{ "active-opacity", required_argument, NULL, 297 },
|
|
{ "glx-no-rebind-pixmap", no_argument, NULL, 298 },
|
|
{ "glx-swap-method", required_argument, NULL, 299 },
|
|
{ "fade-exclude", required_argument, NULL, 300 },
|
|
{ "blur-kern", required_argument, NULL, 301 },
|
|
{ "resize-damage", required_argument, NULL, 302 },
|
|
{ "glx-use-gpushader4", no_argument, NULL, 303 },
|
|
{ "opacity-rule", required_argument, NULL, 304 },
|
|
{ "shadow-exclude-reg", required_argument, NULL, 305 },
|
|
{ "paint-exclude", required_argument, NULL, 306 },
|
|
{ "xinerama-shadow-crop", no_argument, NULL, 307 },
|
|
{ "unredir-if-possible-exclude", required_argument, NULL, 308 },
|
|
{ "unredir-if-possible-delay", required_argument, NULL, 309 },
|
|
{ "write-pid-path", required_argument, NULL, 310 },
|
|
{ "vsync-use-glfinish", no_argument, NULL, 311 },
|
|
{ "xrender-sync", no_argument, NULL, 312 },
|
|
{ "xrender-sync-fence", no_argument, NULL, 313 },
|
|
{ "show-all-xerrors", no_argument, NULL, 314 },
|
|
{ "no-fading-destroyed-argb", no_argument, NULL, 315 },
|
|
{ "force-win-blend", no_argument, NULL, 316 },
|
|
{ "glx-fshader-win", required_argument, NULL, 317 },
|
|
{ "version", no_argument, NULL, 318 },
|
|
{ "no-x-selection", no_argument, NULL, 319 },
|
|
{ "no-name-pixmap", no_argument, NULL, 320 },
|
|
{ "reredir-on-root-change", no_argument, NULL, 731 },
|
|
{ "glx-reinit-on-root-change", no_argument, NULL, 732 },
|
|
// Must terminate with a NULL entry
|
|
{ NULL, 0, NULL, 0 },
|
|
};
|
|
|
|
int o = 0, longopt_idx = -1, i = 0;
|
|
|
|
if (first_pass) {
|
|
// Pre-parse the commandline arguments to check for --config and invalid
|
|
// switches
|
|
// Must reset optind to 0 here in case we reread the commandline
|
|
// arguments
|
|
optind = 1;
|
|
while (-1 !=
|
|
(o = getopt_long(argc, argv, shortopts, longopts, &longopt_idx))) {
|
|
if (256 == o)
|
|
ps->o.config_file = mstrcpy(optarg);
|
|
else if ('d' == o)
|
|
ps->o.display = mstrcpy(optarg);
|
|
else if ('S' == o)
|
|
ps->o.synchronize = true;
|
|
else if (314 == o)
|
|
ps->o.show_all_xerrors = true;
|
|
else if (318 == o) {
|
|
printf("%s\n", COMPTON_VERSION);
|
|
exit(0);
|
|
}
|
|
else if (320 == o)
|
|
ps->o.no_name_pixmap = true;
|
|
else if ('?' == o || ':' == o)
|
|
usage(1);
|
|
}
|
|
|
|
// Check for abundant positional arguments
|
|
if (optind < argc)
|
|
printf_errfq(1, "(): compton doesn't accept positional arguments.");
|
|
|
|
return;
|
|
}
|
|
|
|
struct options_tmp cfgtmp = {
|
|
.no_dock_shadow = false,
|
|
.no_dnd_shadow = false,
|
|
.menu_opacity = NAN,
|
|
};
|
|
bool shadow_enable = false, fading_enable = false;
|
|
char *lc_numeric_old = mstrcpy(setlocale(LC_NUMERIC, NULL));
|
|
|
|
for (i = 0; i < NUM_WINTYPES; ++i) {
|
|
ps->o.wintype_fade[i] = false;
|
|
ps->o.wintype_shadow[i] = false;
|
|
ps->o.wintype_opacity[i] = NAN;
|
|
}
|
|
|
|
// Enforce LC_NUMERIC locale "C" here to make sure dots are recognized
|
|
// instead of commas in atof().
|
|
setlocale(LC_NUMERIC, "C");
|
|
|
|
parse_config(ps, &cfgtmp);
|
|
|
|
// Parse commandline arguments. Range checking will be done later.
|
|
|
|
optind = 1;
|
|
while (-1 !=
|
|
(o = getopt_long(argc, argv, shortopts, longopts, &longopt_idx))) {
|
|
long val = 0;
|
|
switch (o) {
|
|
#define P_CASEBOOL(idx, option) case idx: ps->o.option = true; break
|
|
#define P_CASELONG(idx, option) \
|
|
case idx: \
|
|
if (!parse_long(optarg, &val)) exit(1); \
|
|
ps->o.option = val; \
|
|
break
|
|
|
|
// Short options
|
|
case 'h':
|
|
usage(0);
|
|
break;
|
|
case 'd':
|
|
case 'S':
|
|
case 314:
|
|
case 318:
|
|
case 320:
|
|
break;
|
|
P_CASELONG('D', fade_delta);
|
|
case 'I':
|
|
ps->o.fade_in_step = normalize_d(atof(optarg)) * OPAQUE;
|
|
break;
|
|
case 'O':
|
|
ps->o.fade_out_step = normalize_d(atof(optarg)) * OPAQUE;
|
|
break;
|
|
case 'c':
|
|
shadow_enable = true;
|
|
break;
|
|
case 'C':
|
|
cfgtmp.no_dock_shadow = true;
|
|
break;
|
|
case 'G':
|
|
cfgtmp.no_dnd_shadow = true;
|
|
break;
|
|
case 'm':
|
|
cfgtmp.menu_opacity = atof(optarg);
|
|
break;
|
|
case 'f':
|
|
case 'F':
|
|
fading_enable = true;
|
|
break;
|
|
P_CASELONG('r', shadow_radius);
|
|
case 'o':
|
|
ps->o.shadow_opacity = atof(optarg);
|
|
break;
|
|
P_CASELONG('l', shadow_offset_x);
|
|
P_CASELONG('t', shadow_offset_y);
|
|
case 'i':
|
|
ps->o.inactive_opacity = (normalize_d(atof(optarg)) * OPAQUE);
|
|
break;
|
|
case 'e':
|
|
ps->o.frame_opacity = atof(optarg);
|
|
break;
|
|
case 'z':
|
|
printf_errf("(): clear-shadow is removed, shadows are automatically cleared now.");
|
|
break;
|
|
case 'n':
|
|
case 'a':
|
|
case 's':
|
|
printf_errfq(1, "(): -n, -a, and -s have been removed.");
|
|
break;
|
|
P_CASEBOOL('b', fork_after_register);
|
|
// Long options
|
|
case 256:
|
|
// --config
|
|
break;
|
|
case 257:
|
|
// --shadow-red
|
|
ps->o.shadow_red = atof(optarg);
|
|
break;
|
|
case 258:
|
|
// --shadow-green
|
|
ps->o.shadow_green = atof(optarg);
|
|
break;
|
|
case 259:
|
|
// --shadow-blue
|
|
ps->o.shadow_blue = atof(optarg);
|
|
break;
|
|
P_CASEBOOL(260, inactive_opacity_override);
|
|
case 261:
|
|
// --inactive-dim
|
|
ps->o.inactive_dim = atof(optarg);
|
|
break;
|
|
P_CASEBOOL(262, mark_wmwin_focused);
|
|
case 263:
|
|
// --shadow-exclude
|
|
condlst_add(ps, &ps->o.shadow_blacklist, optarg);
|
|
break;
|
|
P_CASEBOOL(264, mark_ovredir_focused);
|
|
P_CASEBOOL(265, no_fading_openclose);
|
|
P_CASEBOOL(266, shadow_ignore_shaped);
|
|
P_CASEBOOL(267, detect_rounded_corners);
|
|
P_CASEBOOL(268, detect_client_opacity);
|
|
P_CASELONG(269, refresh_rate);
|
|
case 270:
|
|
// --vsync
|
|
if (!parse_vsync(ps, optarg))
|
|
exit(1);
|
|
break;
|
|
case 271:
|
|
// --alpha-step
|
|
ps->o.alpha_step = atof(optarg);
|
|
break;
|
|
P_CASEBOOL(272, dbe);
|
|
P_CASEBOOL(273, paint_on_overlay);
|
|
P_CASEBOOL(274, sw_opti);
|
|
P_CASEBOOL(275, vsync_aggressive);
|
|
P_CASEBOOL(276, use_ewmh_active_win);
|
|
P_CASEBOOL(277, respect_prop_shadow);
|
|
P_CASEBOOL(278, unredir_if_possible);
|
|
case 279:
|
|
// --focus-exclude
|
|
condlst_add(ps, &ps->o.focus_blacklist, optarg);
|
|
break;
|
|
P_CASEBOOL(280, inactive_dim_fixed);
|
|
P_CASEBOOL(281, detect_transient);
|
|
P_CASEBOOL(282, detect_client_leader);
|
|
P_CASEBOOL(283, blur_background);
|
|
P_CASEBOOL(284, blur_background_frame);
|
|
P_CASEBOOL(285, blur_background_fixed);
|
|
P_CASEBOOL(286, dbus);
|
|
case 287:
|
|
// --logpath
|
|
ps->o.logpath = mstrcpy(optarg);
|
|
break;
|
|
case 288:
|
|
// --invert-color-include
|
|
condlst_add(ps, &ps->o.invert_color_list, optarg);
|
|
break;
|
|
case 289:
|
|
// --opengl
|
|
ps->o.backend = BKEND_GLX;
|
|
break;
|
|
case 290:
|
|
// --backend
|
|
if (!parse_backend(ps, optarg))
|
|
exit(1);
|
|
break;
|
|
P_CASEBOOL(291, glx_no_stencil);
|
|
P_CASEBOOL(292, glx_copy_from_front);
|
|
P_CASELONG(293, benchmark);
|
|
case 294:
|
|
// --benchmark-wid
|
|
ps->o.benchmark_wid = strtol(optarg, NULL, 0);
|
|
break;
|
|
P_CASEBOOL(295, glx_use_copysubbuffermesa);
|
|
case 296:
|
|
// --blur-background-exclude
|
|
condlst_add(ps, &ps->o.blur_background_blacklist, optarg);
|
|
break;
|
|
case 297:
|
|
// --active-opacity
|
|
ps->o.active_opacity = (normalize_d(atof(optarg)) * OPAQUE);
|
|
break;
|
|
P_CASEBOOL(298, glx_no_rebind_pixmap);
|
|
case 299:
|
|
// --glx-swap-method
|
|
if (!parse_glx_swap_method(ps, optarg))
|
|
exit(1);
|
|
break;
|
|
case 300:
|
|
// --fade-exclude
|
|
condlst_add(ps, &ps->o.fade_blacklist, optarg);
|
|
break;
|
|
case 301:
|
|
// --blur-kern
|
|
if (!parse_conv_kern_lst(ps, optarg, ps->o.blur_kerns, MAX_BLUR_PASS))
|
|
exit(1);
|
|
break;
|
|
P_CASELONG(302, resize_damage);
|
|
P_CASEBOOL(303, glx_use_gpushader4);
|
|
case 304:
|
|
// --opacity-rule
|
|
if (!parse_rule_opacity(ps, optarg))
|
|
exit(1);
|
|
break;
|
|
case 305:
|
|
// --shadow-exclude-reg
|
|
if (!parse_geometry(ps, optarg, &ps->o.shadow_exclude_reg_geom))
|
|
exit(1);
|
|
break;
|
|
case 306:
|
|
// --paint-exclude
|
|
condlst_add(ps, &ps->o.paint_blacklist, optarg);
|
|
break;
|
|
P_CASEBOOL(307, xinerama_shadow_crop);
|
|
case 308:
|
|
// --unredir-if-possible-exclude
|
|
condlst_add(ps, &ps->o.unredir_if_possible_blacklist, optarg);
|
|
break;
|
|
P_CASELONG(309, unredir_if_possible_delay);
|
|
case 310:
|
|
// --write-pid-path
|
|
ps->o.write_pid_path = mstrcpy(optarg);
|
|
break;
|
|
P_CASEBOOL(311, vsync_use_glfinish);
|
|
P_CASEBOOL(312, xrender_sync);
|
|
P_CASEBOOL(313, xrender_sync_fence);
|
|
P_CASEBOOL(315, no_fading_destroyed_argb);
|
|
P_CASEBOOL(316, force_win_blend);
|
|
case 317:
|
|
ps->o.glx_fshader_win_str = mstrcpy(optarg);
|
|
break;
|
|
P_CASEBOOL(319, no_x_selection);
|
|
P_CASEBOOL(731, reredir_on_root_change);
|
|
P_CASEBOOL(732, glx_reinit_on_root_change);
|
|
default:
|
|
usage(1);
|
|
break;
|
|
#undef P_CASEBOOL
|
|
}
|
|
}
|
|
|
|
// Restore LC_NUMERIC
|
|
setlocale(LC_NUMERIC, lc_numeric_old);
|
|
free(lc_numeric_old);
|
|
|
|
// Range checking and option assignments
|
|
ps->o.fade_delta = max_i(ps->o.fade_delta, 1);
|
|
ps->o.shadow_radius = max_i(ps->o.shadow_radius, 1);
|
|
ps->o.shadow_red = normalize_d(ps->o.shadow_red);
|
|
ps->o.shadow_green = normalize_d(ps->o.shadow_green);
|
|
ps->o.shadow_blue = normalize_d(ps->o.shadow_blue);
|
|
ps->o.inactive_dim = normalize_d(ps->o.inactive_dim);
|
|
ps->o.frame_opacity = normalize_d(ps->o.frame_opacity);
|
|
ps->o.shadow_opacity = normalize_d(ps->o.shadow_opacity);
|
|
cfgtmp.menu_opacity = normalize_d(cfgtmp.menu_opacity);
|
|
ps->o.refresh_rate = normalize_i_range(ps->o.refresh_rate, 0, 300);
|
|
ps->o.alpha_step = normalize_d_range(ps->o.alpha_step, 0.01, 1.0);
|
|
if (shadow_enable)
|
|
wintype_arr_enable(ps->o.wintype_shadow);
|
|
ps->o.wintype_shadow[WINTYPE_DESKTOP] = false;
|
|
if (cfgtmp.no_dock_shadow)
|
|
ps->o.wintype_shadow[WINTYPE_DOCK] = false;
|
|
if (cfgtmp.no_dnd_shadow)
|
|
ps->o.wintype_shadow[WINTYPE_DND] = false;
|
|
if (fading_enable)
|
|
wintype_arr_enable(ps->o.wintype_fade);
|
|
if (!isnan(cfgtmp.menu_opacity)) {
|
|
ps->o.wintype_opacity[WINTYPE_DROPDOWN_MENU] = cfgtmp.menu_opacity;
|
|
ps->o.wintype_opacity[WINTYPE_POPUP_MENU] = cfgtmp.menu_opacity;
|
|
}
|
|
|
|
// --blur-background-frame implies --blur-background
|
|
if (ps->o.blur_background_frame)
|
|
ps->o.blur_background = true;
|
|
|
|
if (ps->o.xrender_sync_fence)
|
|
ps->o.xrender_sync = true;
|
|
|
|
// Other variables determined by options
|
|
|
|
// Determine whether we need to track focus changes
|
|
if (ps->o.inactive_opacity != ps->o.active_opacity ||
|
|
ps->o.inactive_dim) {
|
|
ps->o.track_focus = true;
|
|
}
|
|
|
|
// Determine whether we track window grouping
|
|
if (ps->o.detect_transient || ps->o.detect_client_leader) {
|
|
ps->o.track_leader = true;
|
|
}
|
|
|
|
// Fill default blur kernel
|
|
if (ps->o.blur_background && !ps->o.blur_kerns[0]) {
|
|
// Convolution filter parameter (box blur)
|
|
// gaussian or binomial filters are definitely superior, yet looks
|
|
// like they aren't supported as of xorg-server-1.13.0
|
|
static const xcb_render_fixed_t convolution_blur[] = {
|
|
// Must convert to XFixed with DOUBLE_TO_XFIXED()
|
|
// Matrix size
|
|
DOUBLE_TO_XFIXED(3), DOUBLE_TO_XFIXED(3),
|
|
// Matrix
|
|
DOUBLE_TO_XFIXED(1), DOUBLE_TO_XFIXED(1), DOUBLE_TO_XFIXED(1),
|
|
DOUBLE_TO_XFIXED(1), DOUBLE_TO_XFIXED(1), DOUBLE_TO_XFIXED(1),
|
|
DOUBLE_TO_XFIXED(1), DOUBLE_TO_XFIXED(1), DOUBLE_TO_XFIXED(1),
|
|
};
|
|
ps->o.blur_kerns[0] = malloc(sizeof(convolution_blur));
|
|
if (!ps->o.blur_kerns[0]) {
|
|
printf_errf("(): Failed to allocate memory for convolution kernel.");
|
|
exit(1);
|
|
}
|
|
memcpy(ps->o.blur_kerns[0], &convolution_blur, sizeof(convolution_blur));
|
|
}
|
|
|
|
rebuild_shadow_exclude_reg(ps);
|
|
|
|
if (ps->o.resize_damage < 0)
|
|
printf_errf("(): Negative --resize-damage does not work correctly.");
|
|
}
|
|
|
|
/**
|
|
* Fetch all required atoms and save them to a session.
|
|
*/
|
|
static void
|
|
init_atoms(session_t *ps) {
|
|
ps->atom_opacity = get_atom(ps, "_NET_WM_WINDOW_OPACITY");
|
|
ps->atom_frame_extents = get_atom(ps, "_NET_FRAME_EXTENTS");
|
|
ps->atom_client = get_atom(ps, "WM_STATE");
|
|
ps->atom_name = XA_WM_NAME;
|
|
ps->atom_name_ewmh = get_atom(ps, "_NET_WM_NAME");
|
|
ps->atom_class = XA_WM_CLASS;
|
|
ps->atom_role = get_atom(ps, "WM_WINDOW_ROLE");
|
|
ps->atom_transient = XA_WM_TRANSIENT_FOR;
|
|
ps->atom_client_leader = get_atom(ps, "WM_CLIENT_LEADER");
|
|
ps->atom_ewmh_active_win = get_atom(ps, "_NET_ACTIVE_WINDOW");
|
|
ps->atom_compton_shadow = get_atom(ps, "_COMPTON_SHADOW");
|
|
|
|
ps->atom_win_type = get_atom(ps, "_NET_WM_WINDOW_TYPE");
|
|
ps->atoms_wintypes[WINTYPE_UNKNOWN] = 0;
|
|
ps->atoms_wintypes[WINTYPE_DESKTOP] = get_atom(ps,
|
|
"_NET_WM_WINDOW_TYPE_DESKTOP");
|
|
ps->atoms_wintypes[WINTYPE_DOCK] = get_atom(ps,
|
|
"_NET_WM_WINDOW_TYPE_DOCK");
|
|
ps->atoms_wintypes[WINTYPE_TOOLBAR] = get_atom(ps,
|
|
"_NET_WM_WINDOW_TYPE_TOOLBAR");
|
|
ps->atoms_wintypes[WINTYPE_MENU] = get_atom(ps,
|
|
"_NET_WM_WINDOW_TYPE_MENU");
|
|
ps->atoms_wintypes[WINTYPE_UTILITY] = get_atom(ps,
|
|
"_NET_WM_WINDOW_TYPE_UTILITY");
|
|
ps->atoms_wintypes[WINTYPE_SPLASH] = get_atom(ps,
|
|
"_NET_WM_WINDOW_TYPE_SPLASH");
|
|
ps->atoms_wintypes[WINTYPE_DIALOG] = get_atom(ps,
|
|
"_NET_WM_WINDOW_TYPE_DIALOG");
|
|
ps->atoms_wintypes[WINTYPE_NORMAL] = get_atom(ps,
|
|
"_NET_WM_WINDOW_TYPE_NORMAL");
|
|
ps->atoms_wintypes[WINTYPE_DROPDOWN_MENU] = get_atom(ps,
|
|
"_NET_WM_WINDOW_TYPE_DROPDOWN_MENU");
|
|
ps->atoms_wintypes[WINTYPE_POPUP_MENU] = get_atom(ps,
|
|
"_NET_WM_WINDOW_TYPE_POPUP_MENU");
|
|
ps->atoms_wintypes[WINTYPE_TOOLTIP] = get_atom(ps,
|
|
"_NET_WM_WINDOW_TYPE_TOOLTIP");
|
|
ps->atoms_wintypes[WINTYPE_NOTIFY] = get_atom(ps,
|
|
"_NET_WM_WINDOW_TYPE_NOTIFICATION");
|
|
ps->atoms_wintypes[WINTYPE_COMBO] = get_atom(ps,
|
|
"_NET_WM_WINDOW_TYPE_COMBO");
|
|
ps->atoms_wintypes[WINTYPE_DND] = get_atom(ps,
|
|
"_NET_WM_WINDOW_TYPE_DND");
|
|
}
|
|
|
|
/**
|
|
* Update refresh rate info with X Randr extension.
|
|
*/
|
|
static void
|
|
update_refresh_rate(session_t *ps) {
|
|
xcb_connection_t *c = XGetXCBConnection(ps->dpy);
|
|
xcb_randr_get_screen_info_reply_t *randr_info =
|
|
xcb_randr_get_screen_info_reply(c,
|
|
xcb_randr_get_screen_info(c, ps->root), NULL);
|
|
|
|
if (!randr_info)
|
|
return;
|
|
ps->refresh_rate = randr_info->rate;
|
|
free(randr_info);
|
|
|
|
if (ps->refresh_rate)
|
|
ps->refresh_intv = US_PER_SEC / ps->refresh_rate;
|
|
else
|
|
ps->refresh_intv = 0;
|
|
}
|
|
|
|
/**
|
|
* Initialize refresh-rated based software optimization.
|
|
*
|
|
* @return true for success, false otherwise
|
|
*/
|
|
static bool
|
|
swopti_init(session_t *ps) {
|
|
// Prepare refresh rate
|
|
// Check if user provides one
|
|
ps->refresh_rate = ps->o.refresh_rate;
|
|
if (ps->refresh_rate)
|
|
ps->refresh_intv = US_PER_SEC / ps->refresh_rate;
|
|
|
|
// Auto-detect refresh rate otherwise
|
|
if (!ps->refresh_rate && ps->randr_exists) {
|
|
update_refresh_rate(ps);
|
|
}
|
|
|
|
// Turn off vsync_sw if we can't get the refresh rate
|
|
if (!ps->refresh_rate)
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Modify a struct timeval timeout value to render at a fixed pace.
|
|
*
|
|
* @param ps current session
|
|
* @param[in,out] ptv pointer to the timeout
|
|
*/
|
|
static void
|
|
swopti_handle_timeout(session_t *ps, struct timeval *ptv) {
|
|
if (!ptv)
|
|
return;
|
|
|
|
// Get the microsecond offset of the time when the we reach the timeout
|
|
// I don't think a 32-bit long could overflow here.
|
|
long offset = (ptv->tv_usec + get_time_timeval().tv_usec - ps->paint_tm_offset) % ps->refresh_intv;
|
|
if (offset < 0)
|
|
offset += ps->refresh_intv;
|
|
|
|
assert(offset >= 0 && offset < ps->refresh_intv);
|
|
|
|
// If the target time is sufficiently close to a refresh time, don't add
|
|
// an offset, to avoid certain blocking conditions.
|
|
if (offset < SWOPTI_TOLERANCE
|
|
|| offset > ps->refresh_intv - SWOPTI_TOLERANCE)
|
|
return;
|
|
|
|
// Add an offset so we wait until the next refresh after timeout
|
|
ptv->tv_usec += ps->refresh_intv - offset;
|
|
if (ptv->tv_usec > US_PER_SEC) {
|
|
ptv->tv_usec -= US_PER_SEC;
|
|
++ptv->tv_sec;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Initialize DRM VSync.
|
|
*
|
|
* @return true for success, false otherwise
|
|
*/
|
|
static bool
|
|
vsync_drm_init(session_t *ps) {
|
|
#ifdef CONFIG_VSYNC_DRM
|
|
// Should we always open card0?
|
|
if (ps->drm_fd < 0 && (ps->drm_fd = open("/dev/dri/card0", O_RDWR)) < 0) {
|
|
printf_errf("(): Failed to open device.");
|
|
return false;
|
|
}
|
|
|
|
if (vsync_drm_wait(ps))
|
|
return false;
|
|
|
|
return true;
|
|
#else
|
|
printf_errf("(): Program not compiled with DRM VSync support.");
|
|
return false;
|
|
#endif
|
|
}
|
|
|
|
#ifdef CONFIG_VSYNC_DRM
|
|
/**
|
|
* Wait for next VSync, DRM method.
|
|
*
|
|
* Stolen from: https://github.com/MythTV/mythtv/blob/master/mythtv/libs/libmythtv/vsync.cpp
|
|
*/
|
|
static int
|
|
vsync_drm_wait(session_t *ps) {
|
|
int ret = -1;
|
|
drm_wait_vblank_t vbl;
|
|
|
|
vbl.request.type = _DRM_VBLANK_RELATIVE,
|
|
vbl.request.sequence = 1;
|
|
|
|
do {
|
|
ret = ioctl(ps->drm_fd, DRM_IOCTL_WAIT_VBLANK, &vbl);
|
|
vbl.request.type &= ~_DRM_VBLANK_RELATIVE;
|
|
} while (ret && errno == EINTR);
|
|
|
|
if (ret)
|
|
fprintf(stderr, "vsync_drm_wait(): VBlank ioctl did not work, "
|
|
"unimplemented in this drmver?\n");
|
|
|
|
return ret;
|
|
|
|
}
|
|
#endif
|
|
|
|
/**
|
|
* Initialize OpenGL VSync.
|
|
*
|
|
* Stolen from: http://git.tuxfamily.org/?p=ccm/cairocompmgr.git;a=commitdiff;h=efa4ceb97da501e8630ca7f12c99b1dce853c73e
|
|
* Possible original source: http://www.inb.uni-luebeck.de/~boehme/xvideo_sync.html
|
|
*
|
|
* @return true for success, false otherwise
|
|
*/
|
|
static bool
|
|
vsync_opengl_init(session_t *ps) {
|
|
#ifdef CONFIG_OPENGL
|
|
if (!ensure_glx_context(ps))
|
|
return false;
|
|
|
|
// Get video sync functions
|
|
if (!ps->psglx->glXGetVideoSyncSGI)
|
|
ps->psglx->glXGetVideoSyncSGI = (f_GetVideoSync)
|
|
glXGetProcAddress((const GLubyte *) "glXGetVideoSyncSGI");
|
|
if (!ps->psglx->glXWaitVideoSyncSGI)
|
|
ps->psglx->glXWaitVideoSyncSGI = (f_WaitVideoSync)
|
|
glXGetProcAddress((const GLubyte *) "glXWaitVideoSyncSGI");
|
|
if (!ps->psglx->glXWaitVideoSyncSGI || !ps->psglx->glXGetVideoSyncSGI) {
|
|
printf_errf("(): Failed to get glXWait/GetVideoSyncSGI function.");
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
#else
|
|
printf_errf("(): Program not compiled with OpenGL VSync support.");
|
|
return false;
|
|
#endif
|
|
}
|
|
|
|
static bool
|
|
vsync_opengl_oml_init(session_t *ps) {
|
|
#ifdef CONFIG_OPENGL
|
|
if (!ensure_glx_context(ps))
|
|
return false;
|
|
|
|
// Get video sync functions
|
|
if (!ps->psglx->glXGetSyncValuesOML)
|
|
ps->psglx->glXGetSyncValuesOML = (f_GetSyncValuesOML)
|
|
glXGetProcAddress ((const GLubyte *) "glXGetSyncValuesOML");
|
|
if (!ps->psglx->glXWaitForMscOML)
|
|
ps->psglx->glXWaitForMscOML = (f_WaitForMscOML)
|
|
glXGetProcAddress ((const GLubyte *) "glXWaitForMscOML");
|
|
if (!ps->psglx->glXGetSyncValuesOML || !ps->psglx->glXWaitForMscOML) {
|
|
printf_errf("(): Failed to get OML_sync_control functions.");
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
#else
|
|
printf_errf("(): Program not compiled with OpenGL VSync support.");
|
|
return false;
|
|
#endif
|
|
}
|
|
|
|
static bool
|
|
vsync_opengl_swc_init(session_t *ps) {
|
|
#ifdef CONFIG_OPENGL
|
|
if (!ensure_glx_context(ps))
|
|
return false;
|
|
|
|
if (!bkend_use_glx(ps)) {
|
|
printf_errf("(): I'm afraid glXSwapIntervalSGI wouldn't help if you are "
|
|
"not using GLX backend. You could try, nonetheless.");
|
|
}
|
|
|
|
// Get video sync functions
|
|
if (!ps->psglx->glXSwapIntervalProc)
|
|
ps->psglx->glXSwapIntervalProc = (f_SwapIntervalSGI)
|
|
glXGetProcAddress ((const GLubyte *) "glXSwapIntervalSGI");
|
|
if (!ps->psglx->glXSwapIntervalProc) {
|
|
printf_errf("(): Failed to get SGI_swap_control function.");
|
|
return false;
|
|
}
|
|
ps->psglx->glXSwapIntervalProc(1);
|
|
|
|
return true;
|
|
#else
|
|
printf_errf("(): Program not compiled with OpenGL VSync support.");
|
|
return false;
|
|
#endif
|
|
}
|
|
|
|
static bool
|
|
vsync_opengl_mswc_init(session_t *ps) {
|
|
#ifdef CONFIG_OPENGL
|
|
if (!ensure_glx_context(ps))
|
|
return false;
|
|
|
|
if (!bkend_use_glx(ps)) {
|
|
printf_errf("(): I'm afraid glXSwapIntervalMESA wouldn't help if you are "
|
|
"not using GLX backend. You could try, nonetheless.");
|
|
}
|
|
|
|
// Get video sync functions
|
|
if (!ps->psglx->glXSwapIntervalMESAProc)
|
|
ps->psglx->glXSwapIntervalMESAProc = (f_SwapIntervalMESA)
|
|
glXGetProcAddress ((const GLubyte *) "glXSwapIntervalMESA");
|
|
if (!ps->psglx->glXSwapIntervalMESAProc) {
|
|
printf_errf("(): Failed to get MESA_swap_control function.");
|
|
return false;
|
|
}
|
|
ps->psglx->glXSwapIntervalMESAProc(1);
|
|
|
|
return true;
|
|
#else
|
|
printf_errf("(): Program not compiled with OpenGL VSync support.");
|
|
return false;
|
|
#endif
|
|
}
|
|
|
|
#ifdef CONFIG_OPENGL
|
|
/**
|
|
* Wait for next VSync, OpenGL method.
|
|
*/
|
|
static int
|
|
vsync_opengl_wait(session_t *ps) {
|
|
unsigned vblank_count = 0;
|
|
|
|
ps->psglx->glXGetVideoSyncSGI(&vblank_count);
|
|
ps->psglx->glXWaitVideoSyncSGI(2, (vblank_count + 1) % 2, &vblank_count);
|
|
// I see some code calling glXSwapIntervalSGI(1) afterwards, is it required?
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Wait for next VSync, OpenGL OML method.
|
|
*
|
|
* https://mail.gnome.org/archives/clutter-list/2012-November/msg00031.html
|
|
*/
|
|
static int
|
|
vsync_opengl_oml_wait(session_t *ps) {
|
|
int64_t ust = 0, msc = 0, sbc = 0;
|
|
|
|
ps->psglx->glXGetSyncValuesOML(ps->dpy, ps->reg_win, &ust, &msc, &sbc);
|
|
ps->psglx->glXWaitForMscOML(ps->dpy, ps->reg_win, 0, 2, (msc + 1) % 2,
|
|
&ust, &msc, &sbc);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
vsync_opengl_swc_deinit(session_t *ps) {
|
|
// The standard says it doesn't accept 0, but in fact it probably does
|
|
if (glx_has_context(ps) && ps->psglx->glXSwapIntervalProc)
|
|
ps->psglx->glXSwapIntervalProc(0);
|
|
}
|
|
|
|
static void
|
|
vsync_opengl_mswc_deinit(session_t *ps) {
|
|
if (glx_has_context(ps) && ps->psglx->glXSwapIntervalMESAProc)
|
|
ps->psglx->glXSwapIntervalMESAProc(0);
|
|
}
|
|
#endif
|
|
|
|
/**
|
|
* Initialize current VSync method.
|
|
*/
|
|
bool
|
|
vsync_init(session_t *ps) {
|
|
if (ps->o.vsync && VSYNC_FUNCS_INIT[ps->o.vsync]
|
|
&& !VSYNC_FUNCS_INIT[ps->o.vsync](ps)) {
|
|
ps->o.vsync = VSYNC_NONE;
|
|
return false;
|
|
}
|
|
else
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Wait for next VSync.
|
|
*/
|
|
static void
|
|
vsync_wait(session_t *ps) {
|
|
if (!ps->o.vsync)
|
|
return;
|
|
|
|
if (VSYNC_FUNCS_WAIT[ps->o.vsync])
|
|
VSYNC_FUNCS_WAIT[ps->o.vsync](ps);
|
|
}
|
|
|
|
/**
|
|
* Deinitialize current VSync method.
|
|
*/
|
|
void
|
|
vsync_deinit(session_t *ps) {
|
|
if (ps->o.vsync && VSYNC_FUNCS_DEINIT[ps->o.vsync])
|
|
VSYNC_FUNCS_DEINIT[ps->o.vsync](ps);
|
|
}
|
|
|
|
/**
|
|
* Pregenerate alpha pictures.
|
|
*/
|
|
static void
|
|
init_alpha_picts(session_t *ps) {
|
|
int i;
|
|
int num = round(1.0 / ps->o.alpha_step) + 1;
|
|
|
|
ps->alpha_picts = malloc(sizeof(xcb_render_picture_t) * num);
|
|
|
|
for (i = 0; i < num; ++i) {
|
|
double o = i * ps->o.alpha_step;
|
|
if ((1.0 - o) > ps->o.alpha_step) {
|
|
ps->alpha_picts[i] = solid_picture(ps, false, o, 0, 0, 0);
|
|
assert(ps->alpha_picts[i] != None);
|
|
} else
|
|
ps->alpha_picts[i] = None;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Initialize double buffer.
|
|
*/
|
|
static bool
|
|
init_dbe(session_t *ps) {
|
|
if (!(ps->root_dbe = XdbeAllocateBackBufferName(ps->dpy,
|
|
(ps->o.paint_on_overlay ? ps->overlay: ps->root), XdbeCopied))) {
|
|
printf_errf("(): Failed to create double buffer. Double buffering "
|
|
"cannot work.");
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Initialize X composite overlay window.
|
|
*/
|
|
static bool
|
|
init_overlay(session_t *ps) {
|
|
xcb_connection_t *c = XGetXCBConnection(ps->dpy);
|
|
xcb_composite_get_overlay_window_reply_t *reply =
|
|
xcb_composite_get_overlay_window_reply(c,
|
|
xcb_composite_get_overlay_window(c, ps->root), NULL);
|
|
if (reply) {
|
|
ps->overlay = reply->overlay_win;
|
|
free(reply);
|
|
} else {
|
|
ps->overlay = XCB_NONE;
|
|
}
|
|
if (ps->overlay) {
|
|
// Set window region of the overlay window, code stolen from
|
|
// compiz-0.8.8
|
|
XserverRegion region = XFixesCreateRegion(ps->dpy, NULL, 0);
|
|
XFixesSetWindowShapeRegion(ps->dpy, ps->overlay, XCB_SHAPE_SK_BOUNDING, 0, 0, 0);
|
|
XFixesSetWindowShapeRegion(ps->dpy, ps->overlay, XCB_SHAPE_SK_INPUT, 0, 0, region);
|
|
XFixesDestroyRegion(ps->dpy, region);
|
|
|
|
// Listen to Expose events on the overlay
|
|
XSelectInput(ps->dpy, ps->overlay, ExposureMask);
|
|
|
|
// Retrieve DamageNotify on root window if we are painting on an
|
|
// overlay
|
|
// root_damage = XDamageCreate(ps->dpy, root, XDamageReportNonEmpty);
|
|
|
|
// Unmap overlay, firstly. But this typically does not work because
|
|
// the window isn't created yet.
|
|
// XUnmapWindow(ps->dpy, ps->overlay);
|
|
// XFlush(ps->dpy);
|
|
}
|
|
else {
|
|
fprintf(stderr, "Cannot get X Composite overlay window. Falling "
|
|
"back to painting on root window.\n");
|
|
ps->o.paint_on_overlay = false;
|
|
}
|
|
#ifdef DEBUG_REDIR
|
|
printf_dbgf("(): overlay = %#010lx\n", ps->overlay);
|
|
#endif
|
|
|
|
return ps->overlay;
|
|
}
|
|
|
|
/**
|
|
* Query needed X Render / OpenGL filters to check for their existence.
|
|
*/
|
|
static bool
|
|
init_filters(session_t *ps) {
|
|
xcb_connection_t *c = XGetXCBConnection(ps->dpy);
|
|
// Blur filter
|
|
if (ps->o.blur_background || ps->o.blur_background_frame) {
|
|
switch (ps->o.backend) {
|
|
case BKEND_XRENDER:
|
|
case BKEND_XR_GLX_HYBRID:
|
|
{
|
|
// Query filters
|
|
xcb_render_query_filters_reply_t *pf = xcb_render_query_filters_reply(c,
|
|
xcb_render_query_filters(c, get_tgt_window(ps)), NULL);
|
|
if (pf) {
|
|
xcb_str_iterator_t iter = xcb_render_query_filters_filters_iterator(pf);
|
|
for (; iter.rem; xcb_str_next(&iter)) {
|
|
// Convolution filter
|
|
if (strlen(XRFILTER_CONVOLUTION) == xcb_str_name_length(iter.data)
|
|
&& !memcmp(XRFILTER_CONVOLUTION, xcb_str_name(iter.data), strlen(XRFILTER_CONVOLUTION)))
|
|
ps->xrfilter_convolution_exists = true;
|
|
}
|
|
free(pf);
|
|
}
|
|
|
|
// Turn features off if any required filter is not present
|
|
if (!ps->xrfilter_convolution_exists) {
|
|
printf_errf("(): X Render convolution filter unsupported by your X server. Background blur is not possible.");
|
|
return false;
|
|
}
|
|
break;
|
|
}
|
|
#ifdef CONFIG_OPENGL
|
|
case BKEND_GLX:
|
|
return glx_init_blur(ps);
|
|
#endif
|
|
default:
|
|
assert(false);
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Redirect all windows.
|
|
*/
|
|
static void
|
|
redir_start(session_t *ps) {
|
|
if (!ps->redirected) {
|
|
#ifdef DEBUG_REDIR
|
|
print_timestamp(ps);
|
|
printf_dbgf("(): Screen redirected.\n");
|
|
#endif
|
|
|
|
xcb_connection_t *c = XGetXCBConnection(ps->dpy);
|
|
|
|
// Map overlay window. Done firstly according to this:
|
|
// https://bugzilla.gnome.org/show_bug.cgi?id=597014
|
|
if (ps->overlay)
|
|
XMapWindow(ps->dpy, ps->overlay);
|
|
|
|
xcb_composite_redirect_subwindows(c, ps->root, XCB_COMPOSITE_REDIRECT_MANUAL);
|
|
|
|
/*
|
|
// Unredirect GL context window as this may have an effect on VSync:
|
|
// < http://dri.freedesktop.org/wiki/CompositeSwap >
|
|
xcb_composite_unredirect_window(c, ps->reg_win, XCB_COMPOSITE_REDIRECT_MANUAL);
|
|
if (ps->o.paint_on_overlay && ps->overlay) {
|
|
xcb_composite_unredirect_window(c, ps->overlay,
|
|
XCB_COMPOSITE_REDIRECT_MANUAL);
|
|
} */
|
|
|
|
// Must call XSync() here
|
|
XSync(ps->dpy, False);
|
|
|
|
ps->redirected = true;
|
|
|
|
// Repaint the whole screen
|
|
force_repaint(ps);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get the poll time.
|
|
*/
|
|
static time_ms_t
|
|
timeout_get_poll_time(session_t *ps) {
|
|
const time_ms_t now = get_time_ms();
|
|
time_ms_t wait = TIME_MS_MAX;
|
|
|
|
// Traverse throught the timeout linked list
|
|
for (timeout_t *ptmout = ps->tmout_lst; ptmout; ptmout = ptmout->next) {
|
|
if (ptmout->enabled) {
|
|
time_ms_t newrun = timeout_get_newrun(ptmout);
|
|
if (newrun <= now) {
|
|
wait = 0;
|
|
break;
|
|
}
|
|
else {
|
|
time_ms_t newwait = newrun - now;
|
|
if (newwait < wait)
|
|
wait = newwait;
|
|
}
|
|
}
|
|
}
|
|
|
|
return wait;
|
|
}
|
|
|
|
/**
|
|
* Insert a new timeout.
|
|
*/
|
|
timeout_t *
|
|
timeout_insert(session_t *ps, time_ms_t interval,
|
|
bool (*callback)(session_t *ps, timeout_t *ptmout), void *data) {
|
|
static const timeout_t tmout_def = {
|
|
.enabled = true,
|
|
.data = NULL,
|
|
.callback = NULL,
|
|
.firstrun = 0L,
|
|
.lastrun = 0L,
|
|
.interval = 0L,
|
|
};
|
|
|
|
const time_ms_t now = get_time_ms();
|
|
timeout_t *ptmout = malloc(sizeof(timeout_t));
|
|
if (!ptmout)
|
|
printf_errfq(1, "(): Failed to allocate memory for timeout.");
|
|
memcpy(ptmout, &tmout_def, sizeof(timeout_t));
|
|
|
|
ptmout->interval = interval;
|
|
ptmout->firstrun = now;
|
|
ptmout->lastrun = now;
|
|
ptmout->data = data;
|
|
ptmout->callback = callback;
|
|
ptmout->next = ps->tmout_lst;
|
|
ps->tmout_lst = ptmout;
|
|
|
|
return ptmout;
|
|
}
|
|
|
|
/**
|
|
* Drop a timeout.
|
|
*
|
|
* @return true if we have found the timeout and removed it, false
|
|
* otherwise
|
|
*/
|
|
bool
|
|
timeout_drop(session_t *ps, timeout_t *prm) {
|
|
timeout_t **pplast = &ps->tmout_lst;
|
|
|
|
for (timeout_t *ptmout = ps->tmout_lst; ptmout;
|
|
pplast = &ptmout->next, ptmout = ptmout->next) {
|
|
if (prm == ptmout) {
|
|
*pplast = ptmout->next;
|
|
free(ptmout);
|
|
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Clear all timeouts.
|
|
*/
|
|
static void
|
|
timeout_clear(session_t *ps) {
|
|
timeout_t *ptmout = ps->tmout_lst;
|
|
timeout_t *next = NULL;
|
|
while (ptmout) {
|
|
next = ptmout->next;
|
|
free(ptmout);
|
|
ptmout = next;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Run timeouts.
|
|
*
|
|
* @return true if we have ran a timeout, false otherwise
|
|
*/
|
|
static bool
|
|
timeout_run(session_t *ps) {
|
|
const time_ms_t now = get_time_ms();
|
|
bool ret = false;
|
|
timeout_t *pnext = NULL;
|
|
|
|
for (timeout_t *ptmout = ps->tmout_lst; ptmout; ptmout = pnext) {
|
|
pnext = ptmout->next;
|
|
if (ptmout->enabled) {
|
|
const time_ms_t max = now +
|
|
(time_ms_t) (ptmout->interval * TIMEOUT_RUN_TOLERANCE);
|
|
time_ms_t newrun = timeout_get_newrun(ptmout);
|
|
if (newrun <= max) {
|
|
ret = true;
|
|
timeout_invoke(ps, ptmout);
|
|
}
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* Invoke a timeout.
|
|
*/
|
|
void
|
|
timeout_invoke(session_t *ps, timeout_t *ptmout) {
|
|
const time_ms_t now = get_time_ms();
|
|
ptmout->lastrun = now;
|
|
// Avoid modifying the timeout structure after running timeout, to
|
|
// make it possible to remove timeout in callback
|
|
if (ptmout->callback)
|
|
ptmout->callback(ps, ptmout);
|
|
}
|
|
|
|
/**
|
|
* Reset a timeout to initial state.
|
|
*/
|
|
void
|
|
timeout_reset(session_t *ps, timeout_t *ptmout) {
|
|
ptmout->firstrun = ptmout->lastrun = get_time_ms();
|
|
}
|
|
|
|
/**
|
|
* Unredirect all windows.
|
|
*/
|
|
static void
|
|
redir_stop(session_t *ps) {
|
|
if (ps->redirected) {
|
|
xcb_connection_t *c = XGetXCBConnection(ps->dpy);
|
|
#ifdef DEBUG_REDIR
|
|
print_timestamp(ps);
|
|
printf_dbgf("(): Screen unredirected.\n");
|
|
#endif
|
|
// Destroy all Pictures as they expire once windows are unredirected
|
|
// If we don't destroy them here, looks like the resources are just
|
|
// kept inaccessible somehow
|
|
for (win *w = ps->list; w; w = w->next)
|
|
free_wpaint(ps, w);
|
|
|
|
xcb_composite_unredirect_subwindows(c, ps->root, XCB_COMPOSITE_REDIRECT_MANUAL);
|
|
// Unmap overlay window
|
|
if (ps->overlay)
|
|
XUnmapWindow(ps->dpy, ps->overlay);
|
|
|
|
// Must call XSync() here
|
|
XSync(ps->dpy, False);
|
|
|
|
ps->redirected = false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Unredirection timeout callback.
|
|
*/
|
|
static bool
|
|
tmout_unredir_callback(session_t *ps, timeout_t *tmout) {
|
|
ps->tmout_unredir_hit = true;
|
|
tmout->enabled = false;
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Main loop.
|
|
*/
|
|
static bool
|
|
mainloop(session_t *ps) {
|
|
// Don't miss timeouts even when we have a LOT of other events!
|
|
timeout_run(ps);
|
|
|
|
// Process existing events
|
|
// Sometimes poll() returns 1 but no events are actually read,
|
|
// causing XNextEvent() to block, I have no idea what's wrong, so we
|
|
// check for the number of events here.
|
|
xcb_connection_t *c = XGetXCBConnection(ps->dpy);
|
|
xcb_generic_event_t *ev = xcb_poll_for_event(c);
|
|
if (ev) {
|
|
ev_handle(ps, ev);
|
|
ps->ev_received = true;
|
|
free(ev);
|
|
|
|
return true;
|
|
}
|
|
|
|
#ifdef CONFIG_DBUS
|
|
if (ps->o.dbus) {
|
|
cdbus_loop(ps);
|
|
}
|
|
#endif
|
|
|
|
if (ps->reset)
|
|
return false;
|
|
|
|
// Calculate timeout
|
|
struct timeval *ptv = NULL;
|
|
{
|
|
// Consider ev_received firstly
|
|
if (ps->ev_received || ps->o.benchmark) {
|
|
ptv = malloc(sizeof(struct timeval));
|
|
ptv->tv_sec = 0L;
|
|
ptv->tv_usec = 0L;
|
|
}
|
|
// Then consider fading timeout
|
|
else if (!ps->idling) {
|
|
ptv = malloc(sizeof(struct timeval));
|
|
*ptv = ms_to_tv(fade_timeout(ps));
|
|
}
|
|
|
|
// Software optimization is to be applied on timeouts that require
|
|
// immediate painting only
|
|
if (ptv && ps->o.sw_opti)
|
|
swopti_handle_timeout(ps, ptv);
|
|
|
|
// Don't continue looping for 0 timeout
|
|
if (ptv && timeval_isempty(ptv)) {
|
|
free(ptv);
|
|
return false;
|
|
}
|
|
|
|
// Now consider the waiting time of other timeouts
|
|
time_ms_t tmout_ms = timeout_get_poll_time(ps);
|
|
if (tmout_ms < TIME_MS_MAX) {
|
|
if (!ptv) {
|
|
ptv = malloc(sizeof(struct timeval));
|
|
*ptv = ms_to_tv(tmout_ms);
|
|
}
|
|
else if (timeval_ms_cmp(ptv, tmout_ms) > 0) {
|
|
*ptv = ms_to_tv(tmout_ms);
|
|
}
|
|
}
|
|
|
|
// Don't continue looping for 0 timeout
|
|
if (ptv && timeval_isempty(ptv)) {
|
|
free(ptv);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// Polling
|
|
fds_poll(ps, ptv);
|
|
free(ptv);
|
|
ptv = NULL;
|
|
|
|
return true;
|
|
}
|
|
|
|
static void
|
|
cxinerama_upd_scrs(session_t *ps) {
|
|
#ifdef CONFIG_XINERAMA
|
|
free_xinerama_info(ps);
|
|
|
|
if (!ps->o.xinerama_shadow_crop || !ps->xinerama_exists) return;
|
|
|
|
xcb_connection_t *c = XGetXCBConnection(ps->dpy);
|
|
xcb_xinerama_is_active_reply_t *active =
|
|
xcb_xinerama_is_active_reply(c,
|
|
xcb_xinerama_is_active(c), NULL);
|
|
if (!active || !active->state) {
|
|
free(active);
|
|
return;
|
|
}
|
|
free(active);
|
|
|
|
ps->xinerama_scrs = xcb_xinerama_query_screens_reply(c,
|
|
xcb_xinerama_query_screens(c), NULL);
|
|
if (!ps->xinerama_scrs)
|
|
return;
|
|
|
|
xcb_xinerama_screen_info_t *scrs = xcb_xinerama_query_screens_screen_info(ps->xinerama_scrs);
|
|
ps->xinerama_nscrs = xcb_xinerama_query_screens_screen_info_length(ps->xinerama_scrs);
|
|
|
|
ps->xinerama_scr_regs = allocchk(malloc(sizeof(XserverRegion *)
|
|
* ps->xinerama_nscrs));
|
|
for (int i = 0; i < ps->xinerama_nscrs; ++i) {
|
|
const xcb_xinerama_screen_info_t * const s = &scrs[i];
|
|
XRectangle r = { .x = s->x_org, .y = s->y_org,
|
|
.width = s->width, .height = s->height };
|
|
ps->xinerama_scr_regs[i] = XFixesCreateRegion(ps->dpy, &r, 1);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
/**
|
|
* Initialize a session.
|
|
*
|
|
* @param ps_old old session, from which the function will take the X
|
|
* connection, then free it
|
|
* @param argc number of commandline arguments
|
|
* @param argv commandline arguments
|
|
*/
|
|
static session_t *
|
|
session_init(session_t *ps_old, int argc, char **argv) {
|
|
static const session_t s_def = {
|
|
.dpy = NULL,
|
|
.scr = 0,
|
|
.vis = 0,
|
|
.depth = 0,
|
|
.root = None,
|
|
.root_height = 0,
|
|
.root_width = 0,
|
|
// .root_damage = None,
|
|
.overlay = None,
|
|
.root_tile_fill = false,
|
|
.root_tile_paint = PAINT_INIT,
|
|
.screen_reg = None,
|
|
.tgt_picture = None,
|
|
.tgt_buffer = PAINT_INIT,
|
|
.root_dbe = None,
|
|
.reg_win = None,
|
|
.o = {
|
|
.config_file = NULL,
|
|
.display = NULL,
|
|
.backend = BKEND_XRENDER,
|
|
.glx_no_stencil = false,
|
|
.glx_copy_from_front = false,
|
|
#ifdef CONFIG_OPENGL
|
|
.glx_prog_win = GLX_PROG_MAIN_INIT,
|
|
#endif
|
|
.mark_wmwin_focused = false,
|
|
.mark_ovredir_focused = false,
|
|
.fork_after_register = false,
|
|
.synchronize = false,
|
|
.detect_rounded_corners = false,
|
|
.paint_on_overlay = false,
|
|
.resize_damage = 0,
|
|
.unredir_if_possible = false,
|
|
.unredir_if_possible_blacklist = NULL,
|
|
.unredir_if_possible_delay = 0,
|
|
.redirected_force = UNSET,
|
|
.stoppaint_force = UNSET,
|
|
.dbus = false,
|
|
.benchmark = 0,
|
|
.benchmark_wid = None,
|
|
.logpath = NULL,
|
|
|
|
.refresh_rate = 0,
|
|
.sw_opti = false,
|
|
.vsync = VSYNC_NONE,
|
|
.dbe = false,
|
|
.vsync_aggressive = false,
|
|
|
|
.wintype_shadow = { false },
|
|
.shadow_red = 0.0,
|
|
.shadow_green = 0.0,
|
|
.shadow_blue = 0.0,
|
|
.shadow_radius = 12,
|
|
.shadow_offset_x = -15,
|
|
.shadow_offset_y = -15,
|
|
.shadow_opacity = .75,
|
|
.shadow_blacklist = NULL,
|
|
.shadow_ignore_shaped = false,
|
|
.respect_prop_shadow = false,
|
|
.xinerama_shadow_crop = false,
|
|
|
|
.wintype_fade = { false },
|
|
.fade_in_step = 0.028 * OPAQUE,
|
|
.fade_out_step = 0.03 * OPAQUE,
|
|
.fade_delta = 10,
|
|
.no_fading_openclose = false,
|
|
.no_fading_destroyed_argb = false,
|
|
.fade_blacklist = NULL,
|
|
|
|
.wintype_opacity = { NAN },
|
|
.inactive_opacity = OPAQUE,
|
|
.inactive_opacity_override = false,
|
|
.active_opacity = OPAQUE,
|
|
.frame_opacity = 0.0,
|
|
.detect_client_opacity = false,
|
|
.alpha_step = 0.03,
|
|
|
|
.blur_background = false,
|
|
.blur_background_frame = false,
|
|
.blur_background_fixed = false,
|
|
.blur_background_blacklist = NULL,
|
|
.blur_kerns = { NULL },
|
|
.inactive_dim = 0.0,
|
|
.inactive_dim_fixed = false,
|
|
.invert_color_list = NULL,
|
|
.opacity_rules = NULL,
|
|
|
|
.wintype_focus = { false },
|
|
.use_ewmh_active_win = false,
|
|
.focus_blacklist = NULL,
|
|
.detect_transient = false,
|
|
.detect_client_leader = false,
|
|
|
|
.track_focus = false,
|
|
.track_wdata = false,
|
|
.track_leader = false,
|
|
},
|
|
|
|
.pfds_read = NULL,
|
|
.pfds_write = NULL,
|
|
.pfds_except = NULL,
|
|
.nfds_max = 0,
|
|
.tmout_lst = NULL,
|
|
|
|
.all_damage = None,
|
|
.all_damage_last = { None },
|
|
.time_start = { 0, 0 },
|
|
.redirected = false,
|
|
.alpha_picts = NULL,
|
|
.reg_ignore_expire = false,
|
|
.idling = false,
|
|
.fade_time = 0L,
|
|
.ignore_head = NULL,
|
|
.ignore_tail = NULL,
|
|
.reset = false,
|
|
|
|
.expose_rects = NULL,
|
|
.size_expose = 0,
|
|
.n_expose = 0,
|
|
|
|
.list = NULL,
|
|
.active_win = NULL,
|
|
.active_leader = None,
|
|
|
|
.black_picture = None,
|
|
.cshadow_picture = None,
|
|
.white_picture = None,
|
|
.gaussian_map = NULL,
|
|
.cgsize = 0,
|
|
.shadow_corner = NULL,
|
|
.shadow_top = NULL,
|
|
|
|
.refresh_rate = 0,
|
|
.refresh_intv = 0UL,
|
|
.paint_tm_offset = 0L,
|
|
|
|
#ifdef CONFIG_VSYNC_DRM
|
|
.drm_fd = -1,
|
|
#endif
|
|
|
|
.xfixes_event = 0,
|
|
.xfixes_error = 0,
|
|
.damage_event = 0,
|
|
.damage_error = 0,
|
|
.render_event = 0,
|
|
.render_error = 0,
|
|
.composite_event = 0,
|
|
.composite_error = 0,
|
|
.composite_opcode = 0,
|
|
.has_name_pixmap = false,
|
|
.shape_exists = false,
|
|
.shape_event = 0,
|
|
.shape_error = 0,
|
|
.randr_exists = 0,
|
|
.randr_event = 0,
|
|
.randr_error = 0,
|
|
#ifdef CONFIG_OPENGL
|
|
.glx_exists = false,
|
|
.glx_event = 0,
|
|
.glx_error = 0,
|
|
#endif
|
|
.dbe_exists = false,
|
|
.xrfilter_convolution_exists = false,
|
|
|
|
.atom_opacity = None,
|
|
.atom_frame_extents = None,
|
|
.atom_client = None,
|
|
.atom_name = None,
|
|
.atom_name_ewmh = None,
|
|
.atom_class = None,
|
|
.atom_role = None,
|
|
.atom_transient = None,
|
|
.atom_ewmh_active_win = None,
|
|
.atom_compton_shadow = None,
|
|
.atom_win_type = None,
|
|
.atoms_wintypes = { 0 },
|
|
.track_atom_lst = NULL,
|
|
|
|
#ifdef CONFIG_DBUS
|
|
.dbus_conn = NULL,
|
|
.dbus_service = NULL,
|
|
#endif
|
|
};
|
|
|
|
// Allocate a session and copy default values into it
|
|
session_t *ps = malloc(sizeof(session_t));
|
|
memcpy(ps, &s_def, sizeof(session_t));
|
|
ps_g = ps;
|
|
ps->ignore_tail = &ps->ignore_head;
|
|
gettimeofday(&ps->time_start, NULL);
|
|
|
|
wintype_arr_enable(ps->o.wintype_focus);
|
|
ps->o.wintype_focus[WINTYPE_UNKNOWN] = false;
|
|
ps->o.wintype_focus[WINTYPE_NORMAL] = false;
|
|
ps->o.wintype_focus[WINTYPE_UTILITY] = false;
|
|
|
|
// First pass
|
|
get_cfg(ps, argc, argv, true);
|
|
|
|
// Inherit old Display if possible, primarily for resource leak checking
|
|
if (ps_old && ps_old->dpy)
|
|
ps->dpy = ps_old->dpy;
|
|
|
|
// Open Display
|
|
if (!ps->dpy) {
|
|
ps->dpy = XOpenDisplay(ps->o.display);
|
|
if (!ps->dpy) {
|
|
printf_errfq(1, "(): Can't open display.");
|
|
}
|
|
XSetEventQueueOwner(ps->dpy, XCBOwnsEventQueue);
|
|
}
|
|
xcb_connection_t *c = XGetXCBConnection(ps->dpy);
|
|
const xcb_query_extension_reply_t *ext_info;
|
|
|
|
XSetErrorHandler(xerror);
|
|
if (ps->o.synchronize) {
|
|
XSynchronize(ps->dpy, 1);
|
|
}
|
|
|
|
ps->scr = DefaultScreen(ps->dpy);
|
|
ps->root = RootWindow(ps->dpy, ps->scr);
|
|
|
|
ps->vis = XVisualIDFromVisual(DefaultVisual(ps->dpy, ps->scr));
|
|
ps->depth = DefaultDepth(ps->dpy, ps->scr);
|
|
|
|
// Start listening to events on root earlier to catch all possible
|
|
// root geometry changes
|
|
XSelectInput(ps->dpy, ps->root,
|
|
SubstructureNotifyMask
|
|
| ExposureMask
|
|
| StructureNotifyMask
|
|
| PropertyChangeMask);
|
|
XFlush(ps->dpy);
|
|
|
|
ps->root_width = DisplayWidth(ps->dpy, ps->scr);
|
|
ps->root_height = DisplayHeight(ps->dpy, ps->scr);
|
|
|
|
xcb_prefetch_extension_data(c, &xcb_render_id);
|
|
xcb_prefetch_extension_data(c, &xcb_composite_id);
|
|
xcb_prefetch_extension_data(c, &xcb_damage_id);
|
|
xcb_prefetch_extension_data(c, &xcb_shape_id);
|
|
xcb_prefetch_extension_data(c, &xcb_xfixes_id);
|
|
xcb_prefetch_extension_data(c, &xcb_randr_id);
|
|
xcb_prefetch_extension_data(c, &xcb_xinerama_id);
|
|
|
|
ext_info = xcb_get_extension_data(c, &xcb_render_id);
|
|
if (!ext_info || !ext_info->present) {
|
|
fprintf(stderr, "No render extension\n");
|
|
exit(1);
|
|
}
|
|
ps->render_event = ext_info->first_event;
|
|
ps->render_error = ext_info->first_error;
|
|
|
|
ext_info = xcb_get_extension_data(c, &xcb_composite_id);
|
|
if (!ext_info || !ext_info->present) {
|
|
fprintf(stderr, "No composite extension\n");
|
|
exit(1);
|
|
}
|
|
ps->composite_opcode = ext_info->major_opcode;
|
|
ps->composite_event = ext_info->first_event;
|
|
ps->composite_error = ext_info->first_error;
|
|
|
|
{
|
|
xcb_composite_query_version_reply_t *reply =
|
|
xcb_composite_query_version_reply(c,
|
|
xcb_composite_query_version(c, XCB_COMPOSITE_MAJOR_VERSION, XCB_COMPOSITE_MINOR_VERSION),
|
|
NULL);
|
|
|
|
if (!ps->o.no_name_pixmap
|
|
&& reply && (reply->major_version > 0 || reply->minor_version >= 2)) {
|
|
ps->has_name_pixmap = true;
|
|
}
|
|
free(reply);
|
|
}
|
|
|
|
ext_info = xcb_get_extension_data(c, &xcb_damage_id);
|
|
if (!ext_info || !ext_info->present) {
|
|
fprintf(stderr, "No damage extension\n");
|
|
exit(1);
|
|
}
|
|
ps->damage_event = ext_info->first_event;
|
|
ps->damage_error = ext_info->first_error;
|
|
xcb_discard_reply(c,
|
|
xcb_damage_query_version(c, XCB_DAMAGE_MAJOR_VERSION, XCB_DAMAGE_MINOR_VERSION).sequence);
|
|
|
|
ext_info = xcb_get_extension_data(c, &xcb_xfixes_id);
|
|
if (!ext_info || !ext_info->present) {
|
|
fprintf(stderr, "No XFixes extension\n");
|
|
exit(1);
|
|
}
|
|
ps->xfixes_event = ext_info->first_event;
|
|
ps->xfixes_error = ext_info->first_error;
|
|
xcb_discard_reply(c,
|
|
xcb_xfixes_query_version(c, XCB_XFIXES_MAJOR_VERSION, XCB_XFIXES_MINOR_VERSION).sequence);
|
|
|
|
// Build a safe representation of display name
|
|
{
|
|
char *display_repr = DisplayString(ps->dpy);
|
|
if (!display_repr)
|
|
display_repr = "unknown";
|
|
display_repr = mstrcpy(display_repr);
|
|
|
|
// Convert all special characters in display_repr name to underscore
|
|
{
|
|
char *pdisp = display_repr;
|
|
|
|
while (*pdisp) {
|
|
if (!isalnum(*pdisp))
|
|
*pdisp = '_';
|
|
++pdisp;
|
|
}
|
|
}
|
|
|
|
ps->o.display_repr = display_repr;
|
|
}
|
|
|
|
// Second pass
|
|
get_cfg(ps, argc, argv, false);
|
|
|
|
// Query X Shape
|
|
ext_info = xcb_get_extension_data(c, &xcb_shape_id);
|
|
if (ext_info && ext_info->present) {
|
|
ps->shape_event = ext_info->first_event;
|
|
ps->shape_error = ext_info->first_error;
|
|
ps->shape_exists = true;
|
|
}
|
|
|
|
if (ps->o.xrender_sync_fence) {
|
|
#ifdef CONFIG_XSYNC
|
|
// Query X Sync
|
|
if (XSyncQueryExtension(ps->dpy, &ps->xsync_event, &ps->xsync_error)) {
|
|
// TODO: Fencing may require version >= 3.0?
|
|
int major_version_return = 0, minor_version_return = 0;
|
|
if (XSyncInitialize(ps->dpy, &major_version_return, &minor_version_return))
|
|
ps->xsync_exists = true;
|
|
}
|
|
if (!ps->xsync_exists) {
|
|
printf_errf("(): X Sync extension not found. No X Sync fence sync is "
|
|
"possible.");
|
|
exit(1);
|
|
}
|
|
#else
|
|
printf_errf("(): X Sync support not compiled in. --xrender-sync-fence "
|
|
"can't work.");
|
|
exit(1);
|
|
#endif
|
|
}
|
|
|
|
// Query X RandR
|
|
if ((ps->o.sw_opti && !ps->o.refresh_rate) || ps->o.xinerama_shadow_crop) {
|
|
ext_info = xcb_get_extension_data(c, &xcb_randr_id);
|
|
if (ext_info && ext_info->present) {
|
|
ps->randr_exists = true;
|
|
ps->randr_event = ext_info->first_event;
|
|
ps->randr_error = ext_info->first_error;
|
|
} else
|
|
printf_errf("(): No XRandR extension, automatic screen change "
|
|
"detection impossible.");
|
|
}
|
|
|
|
// Query X DBE extension
|
|
if (ps->o.dbe) {
|
|
int dbe_ver_major = 0, dbe_ver_minor = 0;
|
|
if (XdbeQueryExtension(ps->dpy, &dbe_ver_major, &dbe_ver_minor))
|
|
if (dbe_ver_major >= 1)
|
|
ps->dbe_exists = true;
|
|
else
|
|
fprintf(stderr, "DBE extension version too low. Double buffering "
|
|
"impossible.\n");
|
|
else {
|
|
fprintf(stderr, "No DBE extension. Double buffering impossible.\n");
|
|
}
|
|
if (!ps->dbe_exists)
|
|
ps->o.dbe = false;
|
|
}
|
|
|
|
// Query X Xinerama extension
|
|
if (ps->o.xinerama_shadow_crop) {
|
|
#ifdef CONFIG_XINERAMA
|
|
ext_info = xcb_get_extension_data(c, &xcb_xinerama_id);
|
|
ps->xinerama_exists = ext_info && ext_info->present;
|
|
#else
|
|
printf_errf("(): Xinerama support not compiled in.");
|
|
#endif
|
|
}
|
|
|
|
rebuild_screen_reg(ps);
|
|
|
|
// Overlay must be initialized before double buffer, and before creation
|
|
// of OpenGL context.
|
|
if (ps->o.paint_on_overlay)
|
|
init_overlay(ps);
|
|
|
|
// Initialize DBE
|
|
if (ps->o.dbe && BKEND_XRENDER != ps->o.backend) {
|
|
printf_errf("(): DBE couldn't be used on GLX backend.");
|
|
ps->o.dbe = false;
|
|
}
|
|
|
|
if (ps->o.dbe && !init_dbe(ps))
|
|
exit(1);
|
|
|
|
// Initialize OpenGL as early as possible
|
|
if (bkend_use_glx(ps)) {
|
|
#ifdef CONFIG_OPENGL
|
|
if (!glx_init(ps, true))
|
|
exit(1);
|
|
#else
|
|
printf_errfq(1, "(): GLX backend support not compiled in.");
|
|
#endif
|
|
}
|
|
|
|
// Initialize window GL shader
|
|
if (BKEND_GLX == ps->o.backend && ps->o.glx_fshader_win_str) {
|
|
#ifdef CONFIG_OPENGL
|
|
if (!glx_load_prog_main(ps, NULL, ps->o.glx_fshader_win_str, &ps->o.glx_prog_win))
|
|
exit(1);
|
|
#else
|
|
printf_errf("(): GLSL supported not compiled in, can't load shader.");
|
|
exit(1);
|
|
#endif
|
|
}
|
|
|
|
// Initialize software optimization
|
|
if (ps->o.sw_opti)
|
|
ps->o.sw_opti = swopti_init(ps);
|
|
|
|
// Monitor screen changes if vsync_sw is enabled and we are using
|
|
// an auto-detected refresh rate, or when Xinerama features are enabled
|
|
if (ps->randr_exists && ((ps->o.sw_opti && !ps->o.refresh_rate)
|
|
|| ps->o.xinerama_shadow_crop))
|
|
xcb_randr_select_input(c, ps->root, XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE);
|
|
|
|
// Initialize VSync
|
|
if (!vsync_init(ps))
|
|
exit(1);
|
|
|
|
cxinerama_upd_scrs(ps);
|
|
|
|
// Create registration window
|
|
if (!ps->reg_win && !register_cm(ps))
|
|
exit(1);
|
|
|
|
init_atoms(ps);
|
|
init_alpha_picts(ps);
|
|
|
|
ps->gaussian_map = make_gaussian_map(ps->o.shadow_radius);
|
|
presum_gaussian(ps, ps->gaussian_map);
|
|
|
|
{
|
|
xcb_render_create_picture_value_list_t pa = {
|
|
.subwindowmode = IncludeInferiors,
|
|
};
|
|
|
|
ps->root_picture = x_create_picture_with_visual_and_pixmap(ps,
|
|
ps->vis, ps->root, XCB_RENDER_CP_SUBWINDOW_MODE, &pa);
|
|
if (ps->o.paint_on_overlay) {
|
|
ps->tgt_picture = x_create_picture_with_visual_and_pixmap(ps,
|
|
ps->vis, ps->overlay, XCB_RENDER_CP_SUBWINDOW_MODE, &pa);
|
|
} else
|
|
ps->tgt_picture = ps->root_picture;
|
|
}
|
|
|
|
// Initialize filters, must be preceded by OpenGL context creation
|
|
if (!init_filters(ps))
|
|
exit(1);
|
|
|
|
ps->black_picture = solid_picture(ps, true, 1, 0, 0, 0);
|
|
ps->white_picture = solid_picture(ps, true, 1, 1, 1, 1);
|
|
|
|
// Generates another Picture for shadows if the color is modified by
|
|
// user
|
|
if (!ps->o.shadow_red && !ps->o.shadow_green && !ps->o.shadow_blue) {
|
|
ps->cshadow_picture = ps->black_picture;
|
|
} else {
|
|
ps->cshadow_picture = solid_picture(ps, true, 1,
|
|
ps->o.shadow_red, ps->o.shadow_green, ps->o.shadow_blue);
|
|
}
|
|
|
|
fds_insert(ps, ConnectionNumber(ps->dpy), POLLIN);
|
|
ps->tmout_unredir = timeout_insert(ps, ps->o.unredir_if_possible_delay,
|
|
tmout_unredir_callback, NULL);
|
|
ps->tmout_unredir->enabled = false;
|
|
|
|
XGrabServer(ps->dpy);
|
|
|
|
{
|
|
Window root_return, parent_return;
|
|
Window *children;
|
|
unsigned int nchildren;
|
|
|
|
XQueryTree(ps->dpy, ps->root, &root_return,
|
|
&parent_return, &children, &nchildren);
|
|
|
|
for (unsigned i = 0; i < nchildren; i++) {
|
|
add_win(ps, children[i], i ? children[i-1] : None);
|
|
}
|
|
|
|
cxfree(children);
|
|
}
|
|
|
|
if (ps->o.track_focus) {
|
|
recheck_focus(ps);
|
|
}
|
|
|
|
XUngrabServer(ps->dpy);
|
|
// ALWAYS flush after XUngrabServer()!
|
|
XFlush(ps->dpy);
|
|
|
|
// Initialize DBus
|
|
if (ps->o.dbus) {
|
|
#ifdef CONFIG_DBUS
|
|
cdbus_init(ps);
|
|
if (!ps->dbus_conn) {
|
|
cdbus_destroy(ps);
|
|
ps->o.dbus = false;
|
|
}
|
|
#else
|
|
printf_errfq(1, "(): DBus support not compiled in!");
|
|
#endif
|
|
}
|
|
|
|
// Fork to background, if asked
|
|
if (ps->o.fork_after_register) {
|
|
if (!fork_after(ps)) {
|
|
session_destroy(ps);
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
// Redirect output stream
|
|
if (ps->o.fork_after_register || ps->o.logpath)
|
|
ostream_reopen(ps, NULL);
|
|
|
|
write_pid(ps);
|
|
|
|
// Free the old session
|
|
if (ps_old)
|
|
free(ps_old);
|
|
|
|
return ps;
|
|
}
|
|
|
|
/**
|
|
* Destroy a session.
|
|
*
|
|
* Does not close the X connection or free the <code>session_t</code>
|
|
* structure, though.
|
|
*
|
|
* @param ps session to destroy
|
|
*/
|
|
static void
|
|
session_destroy(session_t *ps) {
|
|
xcb_connection_t *c = XGetXCBConnection(ps->dpy);
|
|
redir_stop(ps);
|
|
|
|
// Stop listening to events on root window
|
|
XSelectInput(ps->dpy, ps->root, 0);
|
|
|
|
#ifdef CONFIG_DBUS
|
|
// Kill DBus connection
|
|
if (ps->o.dbus)
|
|
cdbus_destroy(ps);
|
|
|
|
free(ps->dbus_service);
|
|
#endif
|
|
|
|
// Free window linked list
|
|
{
|
|
win *next = NULL;
|
|
for (win *w = ps->list; w; w = next) {
|
|
// Must be put here to avoid segfault
|
|
next = w->next;
|
|
|
|
if (IsViewable == w->a.map_state && !w->destroyed)
|
|
win_ev_stop(ps, w);
|
|
|
|
free_win_res(ps, w);
|
|
free(w);
|
|
}
|
|
|
|
ps->list = NULL;
|
|
}
|
|
|
|
// Free alpha_picts
|
|
{
|
|
const int max = round(1.0 / ps->o.alpha_step) + 1;
|
|
for (int i = 0; i < max; ++i)
|
|
free_picture(ps, &ps->alpha_picts[i]);
|
|
free(ps->alpha_picts);
|
|
ps->alpha_picts = NULL;
|
|
}
|
|
|
|
// Free blacklists
|
|
free_wincondlst(&ps->o.shadow_blacklist);
|
|
free_wincondlst(&ps->o.fade_blacklist);
|
|
free_wincondlst(&ps->o.focus_blacklist);
|
|
free_wincondlst(&ps->o.invert_color_list);
|
|
free_wincondlst(&ps->o.blur_background_blacklist);
|
|
free_wincondlst(&ps->o.opacity_rules);
|
|
free_wincondlst(&ps->o.paint_blacklist);
|
|
free_wincondlst(&ps->o.unredir_if_possible_blacklist);
|
|
|
|
// Free tracked atom list
|
|
{
|
|
latom_t *next = NULL;
|
|
for (latom_t *this = ps->track_atom_lst; this; this = next) {
|
|
next = this->next;
|
|
free(this);
|
|
}
|
|
|
|
ps->track_atom_lst = NULL;
|
|
}
|
|
|
|
// Free ignore linked list
|
|
{
|
|
ignore_t *next = NULL;
|
|
for (ignore_t *ign = ps->ignore_head; ign; ign = next) {
|
|
next = ign->next;
|
|
|
|
free(ign);
|
|
}
|
|
|
|
// Reset head and tail
|
|
ps->ignore_head = NULL;
|
|
ps->ignore_tail = &ps->ignore_head;
|
|
}
|
|
|
|
// Free cshadow_picture and black_picture
|
|
if (ps->cshadow_picture == ps->black_picture)
|
|
ps->cshadow_picture = None;
|
|
else
|
|
free_picture(ps, &ps->cshadow_picture);
|
|
|
|
free_picture(ps, &ps->black_picture);
|
|
free_picture(ps, &ps->white_picture);
|
|
|
|
// Free tgt_{buffer,picture} and root_picture
|
|
if (ps->tgt_buffer.pict == ps->tgt_picture)
|
|
ps->tgt_buffer.pict = None;
|
|
|
|
if (ps->tgt_picture == ps->root_picture)
|
|
ps->tgt_picture = None;
|
|
else
|
|
free_picture(ps, &ps->tgt_picture);
|
|
free_fence(ps, &ps->tgt_buffer_fence);
|
|
|
|
free_picture(ps, &ps->root_picture);
|
|
free_paint(ps, &ps->tgt_buffer);
|
|
|
|
// Free other X resources
|
|
free_root_tile(ps);
|
|
free_region(ps, &ps->screen_reg);
|
|
free_region(ps, &ps->all_damage);
|
|
for (int i = 0; i < CGLX_MAX_BUFFER_AGE; ++i)
|
|
free_region(ps, &ps->all_damage_last[i]);
|
|
free(ps->expose_rects);
|
|
free(ps->shadow_corner);
|
|
free(ps->shadow_top);
|
|
free(ps->gaussian_map);
|
|
|
|
free(ps->o.config_file);
|
|
free(ps->o.write_pid_path);
|
|
free(ps->o.display);
|
|
free(ps->o.display_repr);
|
|
free(ps->o.logpath);
|
|
for (int i = 0; i < MAX_BLUR_PASS; ++i) {
|
|
free(ps->o.blur_kerns[i]);
|
|
free(ps->blur_kerns_cache[i]);
|
|
}
|
|
free(ps->pfds_read);
|
|
free(ps->pfds_write);
|
|
free(ps->pfds_except);
|
|
free(ps->o.glx_fshader_win_str);
|
|
free_xinerama_info(ps);
|
|
free(ps->pictfmts);
|
|
|
|
#ifdef CONFIG_OPENGL
|
|
glx_destroy(ps);
|
|
#endif
|
|
|
|
// Free double buffer
|
|
if (ps->root_dbe) {
|
|
XdbeDeallocateBackBufferName(ps->dpy, ps->root_dbe);
|
|
ps->root_dbe = None;
|
|
}
|
|
|
|
#ifdef CONFIG_VSYNC_DRM
|
|
// Close file opened for DRM VSync
|
|
if (ps->drm_fd >= 0) {
|
|
close(ps->drm_fd);
|
|
ps->drm_fd = -1;
|
|
}
|
|
#endif
|
|
|
|
// Release overlay window
|
|
if (ps->overlay) {
|
|
xcb_composite_release_overlay_window(c, ps->overlay);
|
|
ps->overlay = None;
|
|
}
|
|
|
|
// Free reg_win
|
|
if (ps->reg_win) {
|
|
XDestroyWindow(ps->dpy, ps->reg_win);
|
|
ps->reg_win = None;
|
|
}
|
|
|
|
// Flush all events
|
|
XSync(ps->dpy, True);
|
|
|
|
#ifdef DEBUG_XRC
|
|
// Report about resource leakage
|
|
xrc_report_xid();
|
|
#endif
|
|
|
|
// Free timeouts
|
|
ps->tmout_unredir = NULL;
|
|
timeout_clear(ps);
|
|
|
|
if (ps == ps_g)
|
|
ps_g = NULL;
|
|
}
|
|
|
|
/*
|
|
static inline void
|
|
dump_img(session_t *ps) {
|
|
int len = 0;
|
|
unsigned char *d = glx_take_screenshot(ps, &len);
|
|
write_binary_data("/tmp/dump.raw", d, len);
|
|
free(d);
|
|
}
|
|
*/
|
|
|
|
/**
|
|
* Do the actual work.
|
|
*
|
|
* @param ps current session
|
|
*/
|
|
static void
|
|
session_run(session_t *ps) {
|
|
win *t;
|
|
|
|
if (ps->o.sw_opti)
|
|
ps->paint_tm_offset = get_time_timeval().tv_usec;
|
|
|
|
ps->reg_ignore_expire = true;
|
|
|
|
t = paint_preprocess(ps, ps->list);
|
|
|
|
if (ps->redirected)
|
|
paint_all(ps, None, None, t);
|
|
|
|
// Initialize idling
|
|
ps->idling = false;
|
|
|
|
// Main loop
|
|
while (!ps->reset) {
|
|
ps->ev_received = false;
|
|
|
|
while (mainloop(ps))
|
|
continue;
|
|
|
|
if (ps->o.benchmark) {
|
|
if (ps->o.benchmark_wid) {
|
|
win *w = find_win(ps, ps->o.benchmark_wid);
|
|
if (!w) {
|
|
printf_errf("(): Couldn't find specified benchmark window.");
|
|
session_destroy(ps);
|
|
exit(1);
|
|
}
|
|
add_damage_from_win(ps, w);
|
|
}
|
|
else {
|
|
force_repaint(ps);
|
|
}
|
|
}
|
|
|
|
// idling will be turned off during paint_preprocess() if needed
|
|
ps->idling = true;
|
|
|
|
t = paint_preprocess(ps, ps->list);
|
|
ps->tmout_unredir_hit = false;
|
|
|
|
// If the screen is unredirected, free all_damage to stop painting
|
|
if (!ps->redirected || ON == ps->o.stoppaint_force)
|
|
free_region(ps, &ps->all_damage);
|
|
|
|
XserverRegion all_damage_orig = None;
|
|
if (ps->o.resize_damage > 0)
|
|
all_damage_orig = copy_region(ps, ps->all_damage);
|
|
resize_region(ps, ps->all_damage, ps->o.resize_damage);
|
|
if (ps->all_damage && !is_region_empty(ps, ps->all_damage, NULL)) {
|
|
static int paint = 0;
|
|
paint_all(ps, ps->all_damage, all_damage_orig, t);
|
|
ps->reg_ignore_expire = false;
|
|
paint++;
|
|
if (ps->o.benchmark && paint >= ps->o.benchmark)
|
|
exit(0);
|
|
XSync(ps->dpy, False);
|
|
ps->all_damage = None;
|
|
}
|
|
free_region(ps, &all_damage_orig);
|
|
|
|
if (ps->idling)
|
|
ps->fade_time = 0L;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Turn on the program reset flag.
|
|
*
|
|
* This will result in compton resetting itself after next paint.
|
|
*/
|
|
static void
|
|
reset_enable(int __attribute__((unused)) signum) {
|
|
session_t * const ps = ps_g;
|
|
|
|
ps->reset = true;
|
|
}
|
|
|
|
/**
|
|
* The function that everybody knows.
|
|
*/
|
|
int
|
|
main(int argc, char **argv) {
|
|
// Set locale so window names with special characters are interpreted
|
|
// correctly
|
|
setlocale(LC_ALL, "");
|
|
|
|
// Set up SIGUSR1 signal handler to reset program
|
|
{
|
|
sigset_t block_mask;
|
|
sigemptyset(&block_mask);
|
|
const struct sigaction action= {
|
|
.sa_handler = reset_enable,
|
|
.sa_mask = block_mask,
|
|
.sa_flags = 0
|
|
};
|
|
sigaction(SIGUSR1, &action, NULL);
|
|
}
|
|
|
|
// Main loop
|
|
session_t *ps_old = ps_g;
|
|
while (1) {
|
|
ps_g = session_init(ps_old, argc, argv);
|
|
if (!ps_g) {
|
|
printf_errf("(): Failed to create new session.");
|
|
return 1;
|
|
}
|
|
session_run(ps_g);
|
|
ps_old = ps_g;
|
|
session_destroy(ps_g);
|
|
}
|
|
|
|
free(ps_g);
|
|
|
|
return 0;
|
|
}
|
|
|
|
// vim: set et sw=2 :
|