win: merge win::pending_updates and win::flags
These two flags are intended for subtly different things. I can probably justify the distinction, but it's definitely difficult to explain. And there is no obvious benefits to keep them separate. Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
This commit is contained in:
parent
df0be9e990
commit
32754b0262
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@ -287,7 +287,7 @@ static inline void ev_map_notify(session_t *ps, xcb_map_notify_event_t *ev) {
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return;
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}
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win_queue_update(w, WIN_UPDATE_MAP);
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win_set_flags(w, WIN_FLAGS_MAPPED);
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// FocusIn/Out may be ignored when the window is unmapped, so we must
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// recheck focus here
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23
src/picom.c
23
src/picom.c
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@ -1309,12 +1309,6 @@ static void handle_new_windows(session_t *ps) {
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}
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static void refresh_windows(session_t *ps) {
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win_stack_foreach_managed_safe(w, &ps->window_stack) {
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win_process_updates(ps, w);
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}
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}
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static void refresh_stale_images(session_t *ps) {
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win_stack_foreach_managed(w, &ps->window_stack) {
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win_process_flags(ps, w);
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}
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@ -1351,7 +1345,13 @@ static void handle_pending_updates(EV_P_ struct session *ps) {
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// Call fill_win on new windows
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handle_new_windows(ps);
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// Process window updates
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// Handle screen changes
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// This HAS TO be called before refresh_windows, as handle_root_flags
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// could call configure_root, which will release images and mark them
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// stale.
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handle_root_flags(ps);
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// Process window flags
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refresh_windows(ps);
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{
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@ -1363,15 +1363,6 @@ static void handle_pending_updates(EV_P_ struct session *ps) {
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free(r);
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}
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// Handle screen changes
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// This HAS TO be called before refresh_stale_images, as handle_root_flags
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// could call configure_root, which will release images and mark them
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// stale.
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handle_root_flags(ps);
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// Refresh pixmaps and shadows
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refresh_stale_images(ps);
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e = xcb_request_check(ps->c, xcb_ungrab_server_checked(ps->c));
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if (e) {
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log_fatal_x_error(e, "failed to ungrab x server");
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121
src/win.c
121
src/win.c
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@ -46,9 +46,6 @@
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// TODO Make more window states internal
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struct managed_win_internal {
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struct managed_win base;
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/// A bit mask of unhandled window updates
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uint_fast32_t pending_updates;
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};
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#define OPAQUE (0xffffffff)
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@ -247,6 +244,7 @@ static inline void win_release_pixmap(backend_t *base, struct managed_win *w) {
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if (w->win_image) {
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base->ops->release_image(base, w->win_image);
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w->win_image = NULL;
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// Bypassing win_set_flags, because `w` might have been destroyed
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w->flags |= WIN_FLAGS_PIXMAP_NONE;
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}
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}
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@ -256,6 +254,7 @@ static inline void win_release_shadow(backend_t *base, struct managed_win *w) {
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if (w->shadow_image) {
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base->ops->release_image(base, w->shadow_image);
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w->shadow_image = NULL;
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// Bypassing win_set_flags, because `w` might have been destroyed
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w->flags |= WIN_FLAGS_SHADOW_NONE;
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}
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}
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@ -276,11 +275,11 @@ static inline bool win_bind_pixmap(struct backend_base *b, struct managed_win *w
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b->ops->bind_pixmap(b, pixmap, x_get_visual_info(b->c, w->a.visual), true);
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if (!w->win_image) {
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log_error("Failed to bind pixmap");
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w->flags |= WIN_FLAGS_IMAGE_ERROR;
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win_set_flags(w, WIN_FLAGS_IMAGE_ERROR);
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return false;
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}
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w->flags &= ~WIN_FLAGS_PIXMAP_NONE;
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win_clear_flags(w, WIN_FLAGS_PIXMAP_NONE);
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return true;
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}
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@ -294,13 +293,13 @@ bool win_bind_shadow(struct backend_base *b, struct managed_win *w, struct color
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log_error("Failed to bind shadow image, shadow will be disabled for "
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"%#010x (%s)",
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w->base.id, w->name);
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w->flags |= WIN_FLAGS_SHADOW_NONE;
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win_set_flags(w, WIN_FLAGS_SHADOW_NONE);
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w->shadow = false;
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return false;
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}
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log_debug("New shadow for %#010x (%s)", w->base.id, w->name);
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w->flags &= ~WIN_FLAGS_SHADOW_NONE;
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win_clear_flags(w, WIN_FLAGS_SHADOW_NONE);
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return true;
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}
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@ -310,40 +309,38 @@ void win_release_images(struct backend_base *backend, struct managed_win *w) {
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// But if we are not releasing any images anyway, we don't care about the stale
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// flags.
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if ((w->flags & WIN_FLAGS_PIXMAP_NONE) == 0) {
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assert((w->flags & WIN_FLAGS_PIXMAP_STALE) == 0);
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if (!win_check_flags_all(w, WIN_FLAGS_PIXMAP_NONE)) {
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assert(!win_check_flags_all(w, WIN_FLAGS_PIXMAP_STALE));
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win_release_pixmap(backend, w);
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}
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if ((w->flags & WIN_FLAGS_SHADOW_NONE) == 0) {
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assert((w->flags & WIN_FLAGS_SHADOW_STALE) == 0);
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if (!win_check_flags_all(w, WIN_FLAGS_SHADOW_NONE)) {
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assert(!win_check_flags_all(w, WIN_FLAGS_SHADOW_STALE));
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win_release_shadow(backend, w);
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}
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}
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void win_process_flags(session_t *ps, struct managed_win *w) {
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// Make sure all pending window updates are processed before this. Making this
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// assumption simplifies some checks (e.g. whether window is mapped)
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assert(((struct managed_win_internal *)w)->pending_updates == 0);
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if (!w->flags || (w->flags & WIN_FLAGS_IMAGE_ERROR) != 0) {
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return;
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if (win_check_flags_all(w, WIN_FLAGS_MAPPED)) {
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map_win_start(ps, w);
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}
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win_clear_flags(w, WIN_FLAGS_MAPPED);
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// Not a loop
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while ((w->flags & WIN_FLAGS_IMAGES_STALE) != 0) {
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while (win_check_flags_any(w, WIN_FLAGS_IMAGES_STALE) &&
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!win_check_flags_all(w, WIN_FLAGS_IMAGE_ERROR)) {
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// Image needs to be updated, update it.
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if (!ps->backend_data) {
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// We are using legacy backend, nothing to do here.
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break;
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}
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if ((w->flags & WIN_FLAGS_PIXMAP_STALE) != 0) {
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if (win_check_flags_all(w, WIN_FLAGS_PIXMAP_STALE)) {
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// Check to make sure the window is still mapped, otherwise we
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// won't be able to rebind pixmap after releasing it, yet we might
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// still need the pixmap for rendering.
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assert(w->state != WSTATE_UNMAPPING && w->state != WSTATE_DESTROYING);
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if ((w->flags & WIN_FLAGS_PIXMAP_NONE) == 0) {
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if (!win_check_flags_all(w, WIN_FLAGS_PIXMAP_NONE)) {
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// Must release images first, otherwise breaks
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// NVIDIA driver
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win_release_pixmap(ps->backend_data, w);
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@ -351,8 +348,8 @@ void win_process_flags(session_t *ps, struct managed_win *w) {
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win_bind_pixmap(ps->backend_data, w);
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}
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if ((w->flags & WIN_FLAGS_SHADOW_STALE) != 0) {
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if ((w->flags & WIN_FLAGS_SHADOW_NONE) == 0) {
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if (win_check_flags_all(w, WIN_FLAGS_SHADOW_STALE)) {
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if (!win_check_flags_all(w, WIN_FLAGS_SHADOW_NONE)) {
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win_release_shadow(ps->backend_data, w);
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}
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if (w->shadow) {
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@ -370,7 +367,7 @@ void win_process_flags(session_t *ps, struct managed_win *w) {
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}
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// Clear stale image flags
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w->flags &= ~WIN_FLAGS_IMAGES_STALE;
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win_clear_flags(w, WIN_FLAGS_IMAGES_STALE);
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}
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/**
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@ -694,7 +691,7 @@ static void win_set_shadow(session_t *ps, struct managed_win *w, bool shadow_new
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w->shadow = shadow_new;
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assert(!w->shadow_image);
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assert(!w->win_image);
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assert(w->flags & WIN_FLAGS_IMAGES_NONE);
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assert(win_check_flags_all(w, WIN_FLAGS_IMAGES_NONE));
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return;
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}
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@ -720,14 +717,14 @@ static void win_set_shadow(session_t *ps, struct managed_win *w, bool shadow_new
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// asserting the existence of the shadow image.
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if (w->shadow) {
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// Mark the new extents as damaged if the shadow is added
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assert(!w->shadow_image || (w->flags & WIN_FLAGS_SHADOW_STALE) ||
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assert(!w->shadow_image || win_check_flags_all(w, WIN_FLAGS_SHADOW_STALE) ||
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!ps->o.experimental_backends);
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pixman_region32_clear(&extents);
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win_extents(w, &extents);
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add_damage_from_win(ps, w);
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} else {
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// Mark the old extents as damaged if the shadow is removed
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assert(w->shadow_image || (w->flags & WIN_FLAGS_SHADOW_STALE) ||
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assert(w->shadow_image || win_check_flags_all(w, WIN_FLAGS_SHADOW_STALE) ||
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!ps->o.experimental_backends);
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add_damage(ps, &extents);
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}
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@ -737,7 +734,7 @@ static void win_set_shadow(session_t *ps, struct managed_win *w, bool shadow_new
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// Delayed update of shadow image
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// By setting WIN_FLAGS_SHADOW_STALE, we ask win_process_flags to re-create or
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// release the shaodw in based on whether w->shadow is set.
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w->flags |= WIN_FLAGS_SHADOW_STALE;
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win_set_flags(w, WIN_FLAGS_SHADOW_STALE);
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ps->pending_updates = true;
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}
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@ -945,7 +942,7 @@ void win_on_win_size_change(session_t *ps, struct managed_win *w) {
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// Invalidate the shadow we built
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if (w->state == WSTATE_MAPPED || w->state == WSTATE_MAPPING ||
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w->state == WSTATE_FADING) {
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w->flags |= WIN_FLAGS_IMAGES_STALE;
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win_set_flags(w, WIN_FLAGS_IMAGES_STALE);
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ps->pending_updates = true;
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} else {
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assert(w->state == WSTATE_UNMAPPED);
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@ -1301,7 +1298,6 @@ struct win *fill_win(session_t *ps, struct win *w) {
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// Allocate and initialize the new win structure
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auto new_internal = cmalloc(struct managed_win_internal);
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auto new = (struct managed_win *)new_internal;
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new_internal->pending_updates = 0;
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// Fill structure
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// We only need to initialize the part that are not initialized
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@ -1599,7 +1595,7 @@ void win_update_bounding_shape(session_t *ps, struct managed_win *w) {
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// Note we only do this when screen is redirected, because
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// otherwise win_data is not valid
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assert(w->state != WSTATE_UNMAPPING && w->state != WSTATE_DESTROYING);
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w->flags |= WIN_FLAGS_IMAGES_STALE;
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win_set_flags(w, WIN_FLAGS_IMAGES_STALE);
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ps->pending_updates = true;
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}
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free_paint(ps, &w->paint);
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@ -1713,7 +1709,7 @@ static void unmap_win_finish(session_t *ps, struct managed_win *w) {
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free_paint(ps, &w->shadow_paint);
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// Try again at binding images when the window is mapped next time
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w->flags &= ~WIN_FLAGS_IMAGE_ERROR;
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win_clear_flags(w, WIN_FLAGS_IMAGE_ERROR);
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}
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/// Finish the destruction of a window (e.g. after fading has finished).
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@ -1886,14 +1882,15 @@ bool destroy_win_start(session_t *ps, struct win *w) {
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}
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if (w->managed) {
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// Clear PIXMAP_STALE flag, since the window is destroyed there is no
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// pixmap available so STALE doesn't make sense.
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// Do this before changing the window state to destroying
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win_clear_flags(mw, WIN_FLAGS_PIXMAP_STALE);
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// Update state flags of a managed window
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mw->state = WSTATE_DESTROYING;
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mw->a.map_state = XCB_MAP_STATE_UNMAPPED;
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mw->in_openclose = true;
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// Clear PIXMAP_STALE flag, since the window is destroyed there is no
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// pixmap available so STALE doesn't make sense.
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mw->flags &= ~WIN_FLAGS_PIXMAP_STALE;
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}
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// don't need win_ev_stop because the window is gone anyway
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@ -1913,7 +1910,6 @@ bool destroy_win_start(session_t *ps, struct win *w) {
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}
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void unmap_win_start(session_t *ps, struct managed_win *w) {
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auto internal_w = (struct managed_win_internal *)w;
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assert(w);
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assert(w->base.managed);
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assert(w->a._class != XCB_WINDOW_CLASS_INPUT_ONLY);
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@ -1926,8 +1922,9 @@ void unmap_win_start(session_t *ps, struct managed_win *w) {
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}
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if (unlikely(w->state == WSTATE_UNMAPPING || w->state == WSTATE_UNMAPPED)) {
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if (internal_w->pending_updates & WIN_UPDATE_MAP) {
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internal_w->pending_updates &= ~(unsigned long)WIN_UPDATE_MAP;
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if (win_check_flags_all(w, WIN_FLAGS_MAPPED)) {
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// Clear the pending map as this window is now unmapped
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win_clear_flags(w, WIN_FLAGS_MAPPED);
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} else {
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log_warn("Trying to unmapping an already unmapped window %#010x "
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"\"%s\"",
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@ -1946,7 +1943,7 @@ void unmap_win_start(session_t *ps, struct managed_win *w) {
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// Clear PIXMAP_STALE flag, since the window is unmapped there is no pixmap
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// available so STALE doesn't make sense.
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w->flags &= ~WIN_FLAGS_PIXMAP_STALE;
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win_clear_flags(w, WIN_FLAGS_PIXMAP_STALE);
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// don't care about properties anymore
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win_ev_stop(ps, &w->base);
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@ -2053,8 +2050,7 @@ void map_win_start(session_t *ps, struct managed_win *w) {
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}
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assert(w->state == WSTATE_UNMAPPED);
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assert((w->flags & WIN_FLAGS_IMAGES_NONE) == WIN_FLAGS_IMAGES_NONE ||
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!ps->o.experimental_backends);
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assert(win_check_flags_all(w, WIN_FLAGS_IMAGES_NONE) || !ps->o.experimental_backends);
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// We stopped processing window size change when we were unmapped, refresh the
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// size of the window
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@ -2148,7 +2144,7 @@ void map_win_start(session_t *ps, struct managed_win *w) {
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// the window's image will be bound
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win_update_bounding_shape(ps, w);
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assert((w->flags & WIN_FLAGS_IMAGES_STALE) == WIN_FLAGS_IMAGES_STALE);
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assert(win_check_flags_all(w, WIN_FLAGS_IMAGES_STALE));
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#ifdef CONFIG_DBUS
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// Send D-Bus signal
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@ -2284,31 +2280,33 @@ win_is_fullscreen_xcb(xcb_connection_t *c, const struct atom *a, const xcb_windo
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return false;
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}
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/// Queue an update on a window. A series of sanity checks are performed
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void win_queue_update(struct managed_win *_w, enum win_update update) {
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auto w = (struct managed_win_internal *)_w;
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assert(popcount(update) == 1);
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assert(update == WIN_UPDATE_MAP); // Currently the only supported update
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if (unlikely(_w->state == WSTATE_DESTROYING)) {
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log_error("Updates queued on a destroyed window %#010x (%s)", _w->base.id,
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_w->name);
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/// Set flags on a window. Some sanity checks are performed
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void win_set_flags(struct managed_win *w, uint64_t flags) {
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if (unlikely(w->state == WSTATE_DESTROYING)) {
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log_error("Flags set on a destroyed window %#010x (%s)", w->base.id, w->name);
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return;
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}
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w->pending_updates |= update;
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w->flags |= flags;
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}
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/// Process pending updates on a window. Has to be called in X critical section
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void win_process_updates(struct session *ps, struct managed_win *_w) {
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assert(ps->server_grabbed);
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auto w = (struct managed_win_internal *)_w;
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if (w->pending_updates & WIN_UPDATE_MAP) {
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map_win_start(ps, _w);
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/// Clear flags on a window. Some sanity checks are performed
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void win_clear_flags(struct managed_win *w, uint64_t flags) {
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if (unlikely(w->state == WSTATE_DESTROYING)) {
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log_error("Flags cleared on a destroyed window %#010x (%s)", w->base.id,
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w->name);
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return;
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}
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w->pending_updates = 0;
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w->flags = w->flags & (~flags);
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}
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bool win_check_flags_any(struct managed_win *w, uint64_t flags) {
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return (w->flags & flags) != 0;
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}
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bool win_check_flags_all(struct managed_win *w, uint64_t flags) {
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return (w->flags & flags) == flags;
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}
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/**
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@ -2364,7 +2362,6 @@ win_stack_find_next_managed(const session_t *ps, const struct list_node *i) {
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/// Return whether this window is mapped on the X server side
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bool win_is_mapped_in_x(const struct managed_win *w) {
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auto iw = (const struct managed_win_internal *)w;
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return w->state == WSTATE_MAPPING || w->state == WSTATE_FADING ||
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w->state == WSTATE_MAPPED || (iw->pending_updates & WIN_UPDATE_MAP);
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w->state == WSTATE_MAPPED || (w->flags & WIN_FLAGS_MAPPED);
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}
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14
src/win.h
14
src/win.h
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@ -131,7 +131,7 @@ struct managed_win {
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/// See above about coordinate systems.
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region_t bounding_shape;
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/// Window flags. Definitions above.
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int_fast16_t flags;
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uint64_t flags;
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/// The region of screen that will be obscured when windows above is painted,
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/// in global coordinates.
|
||||
/// We use this to reduce the pixels that needed to be paint when painting
|
||||
|
@ -252,12 +252,8 @@ struct managed_win {
|
|||
#endif
|
||||
};
|
||||
|
||||
/// Process pending updates on a window. Has to be called in X critical section
|
||||
void win_process_updates(struct session *ps, struct managed_win *_w);
|
||||
/// Process pending images flags on a window. Has to be called in X critical section
|
||||
void win_process_flags(session_t *ps, struct managed_win *w);
|
||||
/// Queue an update on a window. A series of sanity checks are performed
|
||||
void win_queue_update(struct managed_win *_w, enum win_update update);
|
||||
/// Bind a shadow to the window, with color `c` and shadow kernel `kernel`
|
||||
bool win_bind_shadow(struct backend_base *b, struct managed_win *w, struct color c,
|
||||
struct conv *kernel);
|
||||
|
@ -434,6 +430,14 @@ bool win_is_mapped_in_x(const struct managed_win *w);
|
|||
// Find the managed window immediately below `w` in the window stack
|
||||
struct managed_win *attr_pure win_stack_find_next_managed(const session_t *ps,
|
||||
const struct list_node *w);
|
||||
/// Set flags on a window. Some sanity checks are performed
|
||||
void win_set_flags(struct managed_win *w, uint64_t flags);
|
||||
/// Clear flags on a window. Some sanity checks are performed
|
||||
void win_clear_flags(struct managed_win *w, uint64_t flags);
|
||||
/// Returns true if any of the flags in `flags` is set
|
||||
bool win_check_flags_any(struct managed_win *w, uint64_t flags);
|
||||
/// Returns true if all of the flags in `flags` are set
|
||||
bool win_check_flags_all(struct managed_win *w, uint64_t flags);
|
||||
|
||||
/// Free all resources in a struct win
|
||||
void free_win_res(session_t *ps, struct managed_win *w);
|
||||
|
|
|
@ -27,11 +27,6 @@ typedef enum {
|
|||
WMODE_SOLID, // The window is opaque including the frame
|
||||
} winmode_t;
|
||||
|
||||
/// Pending window updates
|
||||
enum win_update {
|
||||
WIN_UPDATE_MAP = 1,
|
||||
};
|
||||
|
||||
/// Transition table:
|
||||
/// (DESTROYED is when the win struct is destroyed and freed)
|
||||
/// ('o' means in all other cases)
|
||||
|
@ -86,9 +81,11 @@ enum win_flags {
|
|||
WIN_FLAGS_SHADOW_STALE = 8,
|
||||
/// shadow has not been generated
|
||||
WIN_FLAGS_SHADOW_NONE = 16,
|
||||
/// the window is mapped by X, we need to call map_win_start for it
|
||||
WIN_FLAGS_MAPPED = 64,
|
||||
};
|
||||
|
||||
static const int_fast16_t WIN_FLAGS_IMAGES_STALE =
|
||||
static const uint64_t WIN_FLAGS_IMAGES_STALE =
|
||||
WIN_FLAGS_PIXMAP_STALE | WIN_FLAGS_SHADOW_STALE;
|
||||
|
||||
#define WIN_FLAGS_IMAGES_NONE (WIN_FLAGS_PIXMAP_NONE | WIN_FLAGS_SHADOW_NONE)
|
||||
|
|
Loading…
Reference in New Issue