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Merge pull request #364 from tryone144/fix/blur-background-fixed 

Experimental backends: fade/hide blur-texture for transparent windows
This commit is contained in:
yshui 2020-04-08 23:31:17 +01:00 committed by GitHub
parent df0be9e990 c1d985eb7c
commit 3ad4ce9f77
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GPG Key ID: 4AEE18F83AFDEB23
12 changed files with 289 additions and 132 deletions
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2
.gitignore vendored
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@ -52,3 +52,5 @@ doxygen/
/src/backtrace-symbols.[ch]
/compton*.trace
*.orig
/tests/log
/tests/testcases/__pycache__/

24
src/backend/backend.c
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@ -204,16 +204,34 @@ void paint_all_new(session_t *ps, struct managed_win *t, bool ignore_damage) {
// itself is not opaque, only the frame is.
double blur_opacity = 1;
if (w->state == WSTATE_MAPPING) {
if (w->opacity < (1.0 / MAX_ALPHA)) {
// Hide blur for fully transparent windows.
blur_opacity = 0;
} else if (w->state == WSTATE_MAPPING) {
// Gradually increase the blur intensity during
// fading in.
assert(w->opacity <= w->opacity_target);
blur_opacity = w->opacity / w->opacity_target;
} else if (w->state == WSTATE_UNMAPPING ||
w->state == WSTATE_DESTROYING) {
// Gradually decrease the blur intensity during
// fading out.
blur_opacity =
w->opacity / win_calc_opacity_target(ps, w, true);
assert(w->opacity <= w->opacity_target_old);
blur_opacity = w->opacity / w->opacity_target_old;
} else if (w->state == WSTATE_FADING) {
if (w->opacity < w->opacity_target &&
w->opacity_target_old < (1.0 / MAX_ALPHA)) {
// Gradually increase the blur intensity during
// fading in.
assert(w->opacity <= w->opacity_target);
blur_opacity = w->opacity / w->opacity_target;
} else if (w->opacity > w->opacity_target &&
w->opacity_target < (1.0 / MAX_ALPHA)) {
// Gradually decrease the blur intensity during
// fading out.
assert(w->opacity <= w->opacity_target_old);
blur_opacity = w->opacity / w->opacity_target_old;
}
}
assert(blur_opacity >= 0 && blur_opacity <= 1);

11
src/event.c
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@ -287,7 +287,7 @@ static inline void ev_map_notify(session_t *ps, xcb_map_notify_event_t *ev) {
return;
}
win_queue_update(w, WIN_UPDATE_MAP);
win_set_flags(w, WIN_FLAGS_MAPPED);
// FocusIn/Out may be ignored when the window is unmapped, so we must
// recheck focus here
@ -482,14 +482,7 @@ static inline void ev_property_notify(session_t *ps, xcb_property_notify_event_t
win_update_opacity_prop(ps, w);
// we cannot receive OPACITY change when window is destroyed
assert(w->state != WSTATE_DESTROYING);
w->opacity_target = win_calc_opacity_target(ps, w, false);
if (w->state == WSTATE_MAPPED) {
// See the winstate_t transition table
w->state = WSTATE_FADING;
}
if (!ps->redirected) {
CHECK(!win_skip_fading(ps, w));
}
win_update_opacity_target(ps, w);
}
}

23
src/picom.c
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@ -1309,12 +1309,6 @@ static void handle_new_windows(session_t *ps) {
}
static void refresh_windows(session_t *ps) {
win_stack_foreach_managed_safe(w, &ps->window_stack) {
win_process_updates(ps, w);
}
}
static void refresh_stale_images(session_t *ps) {
win_stack_foreach_managed(w, &ps->window_stack) {
win_process_flags(ps, w);
}
@ -1351,7 +1345,13 @@ static void handle_pending_updates(EV_P_ struct session *ps) {
// Call fill_win on new windows
handle_new_windows(ps);
// Process window updates
// Handle screen changes
// This HAS TO be called before refresh_windows, as handle_root_flags
// could call configure_root, which will release images and mark them
// stale.
handle_root_flags(ps);
// Process window flags
refresh_windows(ps);
{
@ -1363,15 +1363,6 @@ static void handle_pending_updates(EV_P_ struct session *ps) {
free(r);
}
// Handle screen changes
// This HAS TO be called before refresh_stale_images, as handle_root_flags
// could call configure_root, which will release images and mark them
// stale.
handle_root_flags(ps);
// Refresh pixmaps and shadows
refresh_stale_images(ps);
e = xcb_request_check(ps->c, xcb_ungrab_server_checked(ps->c));
if (e) {
log_fatal_x_error(e, "failed to ungrab x server");

201
src/win.c
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@ -46,9 +46,6 @@
// TODO Make more window states internal
struct managed_win_internal {
struct managed_win base;
/// A bit mask of unhandled window updates
uint_fast32_t pending_updates;
};
#define OPAQUE (0xffffffff)
@ -247,6 +244,7 @@ static inline void win_release_pixmap(backend_t *base, struct managed_win *w) {
if (w->win_image) {
base->ops->release_image(base, w->win_image);
w->win_image = NULL;
// Bypassing win_set_flags, because `w` might have been destroyed
w->flags |= WIN_FLAGS_PIXMAP_NONE;
}
}
@ -256,6 +254,7 @@ static inline void win_release_shadow(backend_t *base, struct managed_win *w) {
if (w->shadow_image) {
base->ops->release_image(base, w->shadow_image);
w->shadow_image = NULL;
// Bypassing win_set_flags, because `w` might have been destroyed
w->flags |= WIN_FLAGS_SHADOW_NONE;
}
}
@ -276,11 +275,11 @@ static inline bool win_bind_pixmap(struct backend_base *b, struct managed_win *w
b->ops->bind_pixmap(b, pixmap, x_get_visual_info(b->c, w->a.visual), true);
if (!w->win_image) {
log_error("Failed to bind pixmap");
w->flags |= WIN_FLAGS_IMAGE_ERROR;
win_set_flags(w, WIN_FLAGS_IMAGE_ERROR);
return false;
}
w->flags &= ~WIN_FLAGS_PIXMAP_NONE;
win_clear_flags(w, WIN_FLAGS_PIXMAP_NONE);
return true;
}
@ -294,13 +293,13 @@ bool win_bind_shadow(struct backend_base *b, struct managed_win *w, struct color
log_error("Failed to bind shadow image, shadow will be disabled for "
"%#010x (%s)",
w->base.id, w->name);
w->flags |= WIN_FLAGS_SHADOW_NONE;
win_set_flags(w, WIN_FLAGS_SHADOW_NONE);
w->shadow = false;
return false;
}
log_debug("New shadow for %#010x (%s)", w->base.id, w->name);
w->flags &= ~WIN_FLAGS_SHADOW_NONE;
win_clear_flags(w, WIN_FLAGS_SHADOW_NONE);
return true;
}
@ -310,40 +309,38 @@ void win_release_images(struct backend_base *backend, struct managed_win *w) {
// But if we are not releasing any images anyway, we don't care about the stale
// flags.
if ((w->flags & WIN_FLAGS_PIXMAP_NONE) == 0) {
assert((w->flags & WIN_FLAGS_PIXMAP_STALE) == 0);
if (!win_check_flags_all(w, WIN_FLAGS_PIXMAP_NONE)) {
assert(!win_check_flags_all(w, WIN_FLAGS_PIXMAP_STALE));
win_release_pixmap(backend, w);
}
if ((w->flags & WIN_FLAGS_SHADOW_NONE) == 0) {
assert((w->flags & WIN_FLAGS_SHADOW_STALE) == 0);
if (!win_check_flags_all(w, WIN_FLAGS_SHADOW_NONE)) {
assert(!win_check_flags_all(w, WIN_FLAGS_SHADOW_STALE));
win_release_shadow(backend, w);
}
}
void win_process_flags(session_t *ps, struct managed_win *w) {
// Make sure all pending window updates are processed before this. Making this
// assumption simplifies some checks (e.g. whether window is mapped)
assert(((struct managed_win_internal *)w)->pending_updates == 0);
if (!w->flags || (w->flags & WIN_FLAGS_IMAGE_ERROR) != 0) {
return;
if (win_check_flags_all(w, WIN_FLAGS_MAPPED)) {
map_win_start(ps, w);
}
win_clear_flags(w, WIN_FLAGS_MAPPED);
// Not a loop
while ((w->flags & WIN_FLAGS_IMAGES_STALE) != 0) {
while (win_check_flags_any(w, WIN_FLAGS_IMAGES_STALE) &&
!win_check_flags_all(w, WIN_FLAGS_IMAGE_ERROR)) {
// Image needs to be updated, update it.
if (!ps->backend_data) {
// We are using legacy backend, nothing to do here.
break;
}
if ((w->flags & WIN_FLAGS_PIXMAP_STALE) != 0) {
if (win_check_flags_all(w, WIN_FLAGS_PIXMAP_STALE)) {
// Check to make sure the window is still mapped, otherwise we
// won't be able to rebind pixmap after releasing it, yet we might
// still need the pixmap for rendering.
assert(w->state != WSTATE_UNMAPPING && w->state != WSTATE_DESTROYING);
if ((w->flags & WIN_FLAGS_PIXMAP_NONE) == 0) {
if (!win_check_flags_all(w, WIN_FLAGS_PIXMAP_NONE)) {
// Must release images first, otherwise breaks
// NVIDIA driver
win_release_pixmap(ps->backend_data, w);
@ -351,8 +348,8 @@ void win_process_flags(session_t *ps, struct managed_win *w) {
win_bind_pixmap(ps->backend_data, w);
}
if ((w->flags & WIN_FLAGS_SHADOW_STALE) != 0) {
if ((w->flags & WIN_FLAGS_SHADOW_NONE) == 0) {
if (win_check_flags_all(w, WIN_FLAGS_SHADOW_STALE)) {
if (!win_check_flags_all(w, WIN_FLAGS_SHADOW_NONE)) {
win_release_shadow(ps->backend_data, w);
}
if (w->shadow) {
@ -370,7 +367,7 @@ void win_process_flags(session_t *ps, struct managed_win *w) {
}
// Clear stale image flags
w->flags &= ~WIN_FLAGS_IMAGES_STALE;
win_clear_flags(w, WIN_FLAGS_IMAGES_STALE);
}
/**
@ -582,18 +579,17 @@ winmode_t win_calc_mode(const struct managed_win *w) {
*
* @param ps current session
* @param w struct _win object representing the window
* @param ignore_state whether window state should be ignored in opacity calculation
*
* @return target opacity
*/
double win_calc_opacity_target(session_t *ps, const struct managed_win *w, bool ignore_state) {
double win_calc_opacity_target(session_t *ps, const struct managed_win *w) {
double opacity = 1;
if (w->state == WSTATE_UNMAPPED && !ignore_state) {
if (w->state == WSTATE_UNMAPPED) {
// be consistent
return 0;
}
if ((w->state == WSTATE_UNMAPPING || w->state == WSTATE_DESTROYING) && !ignore_state) {
if (w->state == WSTATE_UNMAPPING || w->state == WSTATE_DESTROYING) {
return 0;
}
// Try obeying opacity property and window type opacity firstly
@ -694,7 +690,7 @@ static void win_set_shadow(session_t *ps, struct managed_win *w, bool shadow_new
w->shadow = shadow_new;
assert(!w->shadow_image);
assert(!w->win_image);
assert(w->flags & WIN_FLAGS_IMAGES_NONE);
assert(win_check_flags_all(w, WIN_FLAGS_IMAGES_NONE));
return;
}
@ -720,14 +716,14 @@ static void win_set_shadow(session_t *ps, struct managed_win *w, bool shadow_new
// asserting the existence of the shadow image.
if (w->shadow) {
// Mark the new extents as damaged if the shadow is added
assert(!w->shadow_image || (w->flags & WIN_FLAGS_SHADOW_STALE) ||
assert(!w->shadow_image || win_check_flags_all(w, WIN_FLAGS_SHADOW_STALE) ||
!ps->o.experimental_backends);
pixman_region32_clear(&extents);
win_extents(w, &extents);
add_damage_from_win(ps, w);
} else {
// Mark the old extents as damaged if the shadow is removed
assert(w->shadow_image || (w->flags & WIN_FLAGS_SHADOW_STALE) ||
assert(w->shadow_image || win_check_flags_all(w, WIN_FLAGS_SHADOW_STALE) ||
!ps->o.experimental_backends);
add_damage(ps, &extents);
}
@ -737,7 +733,7 @@ static void win_set_shadow(session_t *ps, struct managed_win *w, bool shadow_new
// Delayed update of shadow image
// By setting WIN_FLAGS_SHADOW_STALE, we ask win_process_flags to re-create or
// release the shaodw in based on whether w->shadow is set.
w->flags |= WIN_FLAGS_SHADOW_STALE;
win_set_flags(w, WIN_FLAGS_SHADOW_STALE);
ps->pending_updates = true;
}
@ -915,18 +911,7 @@ void win_on_factor_change(session_t *ps, struct managed_win *w) {
w->unredir_if_possible_excluded =
c2_match(ps, w, ps->o.unredir_if_possible_blacklist, NULL);
auto opacity_target_old = w->opacity_target;
w->opacity_target = win_calc_opacity_target(ps, w, false);
if (opacity_target_old != w->opacity_target && w->state == WSTATE_MAPPED) {
// Only MAPPED can transition to FADING
assert(w->opacity == opacity_target_old);
w->state = WSTATE_FADING;
log_debug("Window %#010x (%s) opactiy %f, opacity target %f", w->base.id,
w->name, w->opacity, w->opacity_target);
if (!ps->redirected) {
CHECK(!win_skip_fading(ps, w));
}
}
win_update_opacity_target(ps, w);
w->reg_ignore_valid = false;
}
@ -945,7 +930,7 @@ void win_on_win_size_change(session_t *ps, struct managed_win *w) {
// Invalidate the shadow we built
if (w->state == WSTATE_MAPPED || w->state == WSTATE_MAPPING ||
w->state == WSTATE_FADING) {
w->flags |= WIN_FLAGS_IMAGES_STALE;
win_set_flags(w, WIN_FLAGS_IMAGES_STALE);
ps->pending_updates = true;
} else {
assert(w->state == WSTATE_UNMAPPED);
@ -1301,7 +1286,6 @@ struct win *fill_win(session_t *ps, struct win *w) {
// Allocate and initialize the new win structure
auto new_internal = cmalloc(struct managed_win_internal);
auto new = (struct managed_win *)new_internal;
new_internal->pending_updates = 0;
// Fill structure
// We only need to initialize the part that are not initialized
@ -1599,7 +1583,7 @@ void win_update_bounding_shape(session_t *ps, struct managed_win *w) {
// Note we only do this when screen is redirected, because
// otherwise win_data is not valid
assert(w->state != WSTATE_UNMAPPING && w->state != WSTATE_DESTROYING);
w->flags |= WIN_FLAGS_IMAGES_STALE;
win_set_flags(w, WIN_FLAGS_IMAGES_STALE);
ps->pending_updates = true;
}
free_paint(ps, &w->paint);
@ -1713,7 +1697,7 @@ static void unmap_win_finish(session_t *ps, struct managed_win *w) {
free_paint(ps, &w->shadow_paint);
// Try again at binding images when the window is mapped next time
w->flags &= ~WIN_FLAGS_IMAGE_ERROR;
win_clear_flags(w, WIN_FLAGS_IMAGE_ERROR);
}
/// Finish the destruction of a window (e.g. after fading has finished).
@ -1886,14 +1870,15 @@ bool destroy_win_start(session_t *ps, struct win *w) {
}
if (w->managed) {
// Clear PIXMAP_STALE flag, since the window is destroyed there is no
// pixmap available so STALE doesn't make sense.
// Do this before changing the window state to destroying
win_clear_flags(mw, WIN_FLAGS_PIXMAP_STALE);
// Update state flags of a managed window
mw->state = WSTATE_DESTROYING;
mw->a.map_state = XCB_MAP_STATE_UNMAPPED;
mw->in_openclose = true;
// Clear PIXMAP_STALE flag, since the window is destroyed there is no
// pixmap available so STALE doesn't make sense.
mw->flags &= ~WIN_FLAGS_PIXMAP_STALE;
}
// don't need win_ev_stop because the window is gone anyway
@ -1913,7 +1898,6 @@ bool destroy_win_start(session_t *ps, struct win *w) {
}
void unmap_win_start(session_t *ps, struct managed_win *w) {
auto internal_w = (struct managed_win_internal *)w;
assert(w);
assert(w->base.managed);
assert(w->a._class != XCB_WINDOW_CLASS_INPUT_ONLY);
@ -1926,8 +1910,9 @@ void unmap_win_start(session_t *ps, struct managed_win *w) {
}
if (unlikely(w->state == WSTATE_UNMAPPING || w->state == WSTATE_UNMAPPED)) {
if (internal_w->pending_updates & WIN_UPDATE_MAP) {
internal_w->pending_updates &= ~(unsigned long)WIN_UPDATE_MAP;
if (win_check_flags_all(w, WIN_FLAGS_MAPPED)) {
// Clear the pending map as this window is now unmapped
win_clear_flags(w, WIN_FLAGS_MAPPED);
} else {
log_warn("Trying to unmapping an already unmapped window %#010x "
"\"%s\"",
@ -1942,11 +1927,12 @@ void unmap_win_start(session_t *ps, struct managed_win *w) {
w->a.map_state = XCB_MAP_STATE_UNMAPPED;
w->state = WSTATE_UNMAPPING;
w->opacity_target = win_calc_opacity_target(ps, w, false);
w->opacity_target_old = fmax(w->opacity_target, w->opacity_target_old);
w->opacity_target = win_calc_opacity_target(ps, w);
// Clear PIXMAP_STALE flag, since the window is unmapped there is no pixmap
// available so STALE doesn't make sense.
w->flags &= ~WIN_FLAGS_PIXMAP_STALE;
win_clear_flags(w, WIN_FLAGS_PIXMAP_STALE);
// don't care about properties anymore
win_ev_stop(ps, &w->base);
@ -2053,8 +2039,7 @@ void map_win_start(session_t *ps, struct managed_win *w) {
}
assert(w->state == WSTATE_UNMAPPED);
assert((w->flags & WIN_FLAGS_IMAGES_NONE) == WIN_FLAGS_IMAGES_NONE ||
!ps->o.experimental_backends);
assert(win_check_flags_all(w, WIN_FLAGS_IMAGES_NONE) || !ps->o.experimental_backends);
// We stopped processing window size change when we were unmapped, refresh the
// size of the window
@ -2127,7 +2112,8 @@ void map_win_start(session_t *ps, struct managed_win *w) {
// XXX We need to make sure that win_data is available
// iff `state` is MAPPED
w->state = WSTATE_MAPPING;
w->opacity_target = win_calc_opacity_target(ps, w, false);
w->opacity_target_old = 0;
w->opacity_target = win_calc_opacity_target(ps, w);
log_debug("Window %#010x has opacity %f, opacity target is %f", w->base.id,
w->opacity, w->opacity_target);
@ -2148,7 +2134,7 @@ void map_win_start(session_t *ps, struct managed_win *w) {
// the window's image will be bound
win_update_bounding_shape(ps, w);
assert((w->flags & WIN_FLAGS_IMAGES_STALE) == WIN_FLAGS_IMAGES_STALE);
assert(win_check_flags_all(w, WIN_FLAGS_IMAGES_STALE));
#ifdef CONFIG_DBUS
// Send D-Bus signal
@ -2162,6 +2148,60 @@ void map_win_start(session_t *ps, struct managed_win *w) {
}
}
/**
* Update target window opacity depending on the current state.
*/
void win_update_opacity_target(session_t *ps, struct managed_win *w) {
auto opacity_target_old = w->opacity_target;
w->opacity_target = win_calc_opacity_target(ps, w);
if (opacity_target_old == w->opacity_target) {
return;
}
if (w->state == WSTATE_MAPPED) {
// Opacity target changed while MAPPED. Transition to FADING.
assert(w->opacity == opacity_target_old);
w->opacity_target_old = opacity_target_old;
w->state = WSTATE_FADING;
log_debug("Window %#010x (%s) opacity %f, opacity target %f, set "
"old target %f",
w->base.id, w->name, w->opacity, w->opacity_target,
w->opacity_target_old);
} else if (w->state == WSTATE_MAPPING) {
// Opacity target changed while fading in.
if (w->opacity >= w->opacity_target) {
// Already reached new target opacity. Transition to
// FADING.
map_win_finish(w);
w->opacity_target_old = fmax(opacity_target_old, w->opacity);
w->state = WSTATE_FADING;
log_debug("Window %#010x (%s) opacity %f already reached "
"new opacity target %f while mapping, set old "
"target %f",
w->base.id, w->name, w->opacity, w->opacity_target,
w->opacity_target_old);
}
} else if (w->state == WSTATE_FADING) {
// Opacity target changed while FADING.
if ((w->opacity < opacity_target_old && w->opacity > w->opacity_target) ||
(w->opacity > opacity_target_old && w->opacity < w->opacity_target)) {
// Changed while fading in and will fade out or while
// fading out and will fade in.
w->opacity_target_old = opacity_target_old;
log_debug("Window %#010x (%s) opacity %f already reached "
"new opacity target %f while fading, set "
"old target %f",
w->base.id, w->name, w->opacity, w->opacity_target,
w->opacity_target_old);
}
}
if (!ps->redirected) {
CHECK(!win_skip_fading(ps, w));
}
}
/**
* Find a managed window from window id in window linked list of the session.
*/
@ -2284,31 +2324,33 @@ win_is_fullscreen_xcb(xcb_connection_t *c, const struct atom *a, const xcb_windo
return false;
}
/// 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) {
auto w = (struct managed_win_internal *)_w;
assert(popcount(update) == 1);
assert(update == WIN_UPDATE_MAP); // Currently the only supported update
if (unlikely(_w->state == WSTATE_DESTROYING)) {
log_error("Updates queued on a destroyed window %#010x (%s)", _w->base.id,
_w->name);
/// Set flags on a window. Some sanity checks are performed
void win_set_flags(struct managed_win *w, uint64_t flags) {
if (unlikely(w->state == WSTATE_DESTROYING)) {
log_error("Flags set on a destroyed window %#010x (%s)", w->base.id, w->name);
return;
}
w->pending_updates |= update;
w->flags |= flags;
}
/// 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) {
assert(ps->server_grabbed);
auto w = (struct managed_win_internal *)_w;
if (w->pending_updates & WIN_UPDATE_MAP) {
map_win_start(ps, _w);
/// Clear flags on a window. Some sanity checks are performed
void win_clear_flags(struct managed_win *w, uint64_t flags) {
if (unlikely(w->state == WSTATE_DESTROYING)) {
log_error("Flags cleared on a destroyed window %#010x (%s)", w->base.id,
w->name);
return;
}
w->pending_updates = 0;
w->flags = w->flags & (~flags);
}
bool win_check_flags_any(struct managed_win *w, uint64_t flags) {
return (w->flags & flags) != 0;
}
bool win_check_flags_all(struct managed_win *w, uint64_t flags) {
return (w->flags & flags) == flags;
}
/**
@ -2364,7 +2406,6 @@ win_stack_find_next_managed(const session_t *ps, const struct list_node *i) {
/// Return whether this window is mapped on the X server side
bool win_is_mapped_in_x(const struct managed_win *w) {
auto iw = (const struct managed_win_internal *)w;
return w->state == WSTATE_MAPPING || w->state == WSTATE_FADING ||
w->state == WSTATE_MAPPED || (iw->pending_updates & WIN_UPDATE_MAP);
w->state == WSTATE_MAPPED || (w->flags & WIN_FLAGS_MAPPED);
}

21
src/win.h
View File

@ -131,7 +131,7 @@ struct managed_win {
/// See above about coordinate systems.
region_t bounding_shape;
/// Window flags. Definitions above.
int_fast16_t flags;
uint64_t flags;
/// The region of screen that will be obscured when windows above is painted,
/// in global coordinates.
/// We use this to reduce the pixels that needed to be paint when painting
@ -192,6 +192,8 @@ struct managed_win {
double opacity;
/// Target window opacity.
double opacity_target;
/// Previous window opacity.
double opacity_target_old;
/// true if window (or client window, for broken window managers
/// not transferring client window's _NET_WM_OPACITY value) has opacity prop
bool has_opacity_prop;
@ -252,12 +254,8 @@ 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);
@ -291,6 +289,7 @@ void win_set_focused(session_t *ps, struct managed_win *w);
bool attr_pure win_should_fade(session_t *ps, const struct managed_win *w);
void win_update_prop_shadow_raw(session_t *ps, struct managed_win *w);
void win_update_prop_shadow(session_t *ps, struct managed_win *w);
void win_update_opacity_target(session_t *ps, struct managed_win *w);
void win_on_factor_change(session_t *ps, struct managed_win *w);
/**
* Update cache data in struct _win that depends on window size.
@ -311,12 +310,10 @@ bool win_get_class(session_t *ps, struct managed_win *w);
*
* @param ps current session
* @param w struct _win object representing the window
* @param ignore_state whether window state should be ignored in opacity calculation
*
* @return target opacity
*/
double attr_pure win_calc_opacity_target(session_t *ps, const struct managed_win *w,
bool ignore_state);
double attr_pure win_calc_opacity_target(session_t *ps, const struct managed_win *w);
bool attr_pure win_should_dim(session_t *ps, const struct managed_win *w);
void win_update_screen(session_t *, struct managed_win *);
/**
@ -434,6 +431,14 @@ 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);

13
src/win_defs.h
View File

@ -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)
@ -45,8 +40,8 @@ enum win_update {
/// | DESTROYING | - | o | - | - | - | - | Fading |
/// | | | | | | | |finished |
/// +-------------+---------+----------+-------+-------+--------+--------+---------+
/// | MAPPING | Window | Window | o | - | - | Fading | - |
/// | |unmapped |destroyed | | | |finished| |
/// | MAPPING | Window | Window | o |Opacity| - | Fading | - |
/// | |unmapped |destroyed | |change | |finished| |
/// +-------------+---------+----------+-------+-------+--------+--------+---------+
/// | FADING | Window | Window | - | o | - | Fading | - |
/// | |unmapped |destroyed | | | |finished| |
@ -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)

2
tests/configs/issue314.conf
View File

@ -1,5 +1,5 @@
fading = true
fade-in-step = 1
fade-in-step = 0.01
fade-out-step = 0.01
inactive-opacity = 0
blur-background = true

2
tests/run_tests.sh
View File

@ -10,3 +10,5 @@ cd $(dirname $0)
./run_one_test.sh $exe configs/issue239_3.conf testcases/issue239_3.py
./run_one_test.sh $exe configs/issue239_3.conf testcases/issue239_3_norefresh.py
./run_one_test.sh $exe configs/issue314.conf testcases/issue314.py
./run_one_test.sh $exe configs/issue314.conf testcases/issue314_2.py
./run_one_test.sh $exe configs/issue314.conf testcases/issue314_3.py

13
tests/testcases/issue314.py
View File

@ -12,11 +12,11 @@ visual = setup.roots[0].root_visual
depth = setup.roots[0].root_depth
x = xproto.xprotoExtension(conn)
# issue 239 is caused by a window gaining a shadow during its fade-out transition
# issue 314 is caused by changing a windows target opacity during its fade-in/-out transition
wid1 = conn.generate_id()
print("Window 1: ", hex(wid1))
wid2 = conn.generate_id()
print("Window 1: ", hex(wid2))
print("Window 2: ", hex(wid2))
# Create windows
conn.core.CreateWindowChecked(depth, wid1, root, 0, 0, 100, 100, 0, xproto.WindowClass.InputOutput, visual, 0, []).check()
@ -26,20 +26,19 @@ conn.core.CreateWindowChecked(depth, wid2, root, 0, 0, 100, 100, 0, xproto.Windo
set_window_name(conn, wid1, "Test window 1")
set_window_name(conn, wid2, "Test window 2")
print("mapping 1")
# Check updating opacity while UNMAPPING/DESTROYING windows
print("Mapping 1")
conn.core.MapWindowChecked(wid1).check()
print("mapping 2")
print("Mapping 2")
conn.core.MapWindowChecked(wid2).check()
time.sleep(0.5)
x.SetInputFocusChecked(0, wid1, xproto.Time.CurrentTime).check()
time.sleep(0.5)
# Destroy the windows
print("Destroy 1 while fading out")
conn.core.DestroyWindowChecked(wid1).check()
x.SetInputFocusChecked(0, wid2, xproto.Time.CurrentTime).check()
time.sleep(1)
conn.core.DestroyWindowChecked(wid2).check()

46
tests/testcases/issue314_2.py Executable file
View File

@ -0,0 +1,46 @@
#!/usr/bin/env python
import xcffib.xproto as xproto
import xcffib
import time
from common import set_window_name, trigger_root_configure
conn = xcffib.connect()
setup = conn.get_setup()
root = setup.roots[0].root
visual = setup.roots[0].root_visual
depth = setup.roots[0].root_depth
x = xproto.xprotoExtension(conn)
opacity_80 = [int(0xffffffff * 0.8), ]
opacity_single = [int(0xffffffff * 0.002), ]
# issue 314 is caused by changing a windows target opacity during its fade-in/-out transition
wid1 = conn.generate_id()
print("Window 1: ", hex(wid1))
atom = "_NET_WM_WINDOW_OPACITY"
opacity_atom = conn.core.InternAtom(False, len(atom), atom).reply().atom
# Create windows
conn.core.CreateWindowChecked(depth, wid1, root, 0, 0, 100, 100, 0, xproto.WindowClass.InputOutput, visual, 0, []).check()
# Set Window names
set_window_name(conn, wid1, "Test window 1")
# Check updating opacity while MAPPING windows
print("Mapping window")
conn.core.MapWindowChecked(wid1).check()
time.sleep(0.5)
print("Update opacity while fading in")
conn.core.ChangePropertyChecked(xproto.PropMode.Replace, wid1, opacity_atom, xproto.Atom.CARDINAL, 32, 1, opacity_80).check()
time.sleep(0.2)
conn.core.ChangePropertyChecked(xproto.PropMode.Replace, wid1, opacity_atom, xproto.Atom.CARDINAL, 32, 1, opacity_single).check()
time.sleep(1)
conn.core.DeletePropertyChecked(wid1, opacity_atom).check()
time.sleep(0.5)
# Destroy the windows
conn.core.DestroyWindowChecked(wid1).check()

63
tests/testcases/issue314_3.py Executable file
View File

@ -0,0 +1,63 @@
#!/usr/bin/env python
import xcffib.xproto as xproto
import xcffib
import time
from common import set_window_name, trigger_root_configure
conn = xcffib.connect()
setup = conn.get_setup()
root = setup.roots[0].root
visual = setup.roots[0].root_visual
depth = setup.roots[0].root_depth
x = xproto.xprotoExtension(conn)
opacity_100 = [0xffffffff, ]
opacity_80 = [int(0xffffffff * 0.8), ]
opacity_single = [int(0xffffffff * 0.002), ]
opacity_0 = [0, ]
# issue 314 is caused by changing a windows target opacity during its fade-in/-out transition
wid1 = conn.generate_id()
print("Window 1: ", hex(wid1))
atom = "_NET_WM_WINDOW_OPACITY"
opacity_atom = conn.core.InternAtom(False, len(atom), atom).reply().atom
# Create windows
conn.core.CreateWindowChecked(depth, wid1, root, 0, 0, 100, 100, 0, xproto.WindowClass.InputOutput, visual, 0, []).check()
# Set Window names
set_window_name(conn, wid1, "Test window 1")
# Check updating opacity while FADING windows
print("Mapping window")
conn.core.MapWindowChecked(wid1).check()
time.sleep(1.2)
print("Update opacity while fading out")
conn.core.ChangePropertyChecked(xproto.PropMode.Replace, wid1, opacity_atom, xproto.Atom.CARDINAL, 32, 1, opacity_single).check()
time.sleep(0.2)
conn.core.ChangePropertyChecked(xproto.PropMode.Replace, wid1, opacity_atom, xproto.Atom.CARDINAL, 32, 1, opacity_0).check()
time.sleep(1)
print("Change from fading in to fading out")
conn.core.ChangePropertyChecked(xproto.PropMode.Replace, wid1, opacity_atom, xproto.Atom.CARDINAL, 32, 1, opacity_80).check()
time.sleep(0.5)
conn.core.ChangePropertyChecked(xproto.PropMode.Replace, wid1, opacity_atom, xproto.Atom.CARDINAL, 32, 1, opacity_0).check()
time.sleep(1)
print("Update opacity while fading in")
conn.core.ChangePropertyChecked(xproto.PropMode.Replace, wid1, opacity_atom, xproto.Atom.CARDINAL, 32, 1, opacity_80).check()
time.sleep(0.2)
conn.core.ChangePropertyChecked(xproto.PropMode.Replace, wid1, opacity_atom, xproto.Atom.CARDINAL, 32, 1, opacity_100).check()
time.sleep(1)
print("Change from fading out to fading in")
conn.core.ChangePropertyChecked(xproto.PropMode.Replace, wid1, opacity_atom, xproto.Atom.CARDINAL, 32, 1, opacity_0).check()
time.sleep(0.5)
conn.core.ChangePropertyChecked(xproto.PropMode.Replace, wid1, opacity_atom, xproto.Atom.CARDINAL, 32, 1, opacity_80).check()
time.sleep(1)
# Destroy the windows
conn.core.DestroyWindowChecked(wid1).check()