GValue *value,
GParamSpec *pspec);
-static void recompute_visible_regions (GdkSurface *private,
- gboolean recalculate_children);
static void update_cursor (GdkDisplay *display,
GdkDevice *device);
surface->fullscreen_mode = GDK_FULLSCREEN_ON_CURRENT_MONITOR;
surface->width = 1;
surface->height = 1;
- surface->children_list_node.data = surface;
surface->device_cursor = g_hash_table_new_full (NULL, NULL,
NULL, g_object_unref);
return gdk_surface_has_impl (surface);
}
-static void
-remove_child_area (GdkSurface *surface,
- gboolean for_input,
- cairo_region_t *region)
-{
- GdkSurface *child;
- cairo_region_t *child_region;
- GdkRectangle r;
- GList *l;
-
- for (l = surface->children; l; l = l->next)
- {
- child = l->data;
-
- /* If region is empty already, no need to do
- anything potentially costly */
- if (cairo_region_is_empty (region))
- break;
-
- if (!GDK_SURFACE_IS_MAPPED (child) || child->input_only)
- continue;
-
- r.x = child->x;
- r.y = child->y;
- r.width = child->width;
- r.height = child->height;
-
- /* Bail early if child totally outside region */
- if (cairo_region_contains_rectangle (region, &r) == CAIRO_REGION_OVERLAP_OUT)
- continue;
-
- child_region = cairo_region_create_rectangle (&r);
-
- if (for_input)
- {
- if (child->input_shape)
- cairo_region_intersect (child_region, child->input_shape);
- }
-
- cairo_region_subtract (region, child_region);
- cairo_region_destroy (child_region);
- }
-}
-
-static void
-recompute_visible_regions_internal (GdkSurface *private,
- gboolean recalculate_clip,
- gboolean recalculate_children)
-{
- GList *l;
- GdkSurface *child;
- gboolean abs_pos_changed;
- int old_abs_x, old_abs_y;
-
- old_abs_x = private->abs_x;
- old_abs_y = private->abs_y;
-
- /* Update absolute position */
- if (gdk_surface_has_impl (private))
- {
- private->abs_x = 0;
- private->abs_y = 0;
- }
-
- abs_pos_changed =
- private->abs_x != old_abs_x ||
- private->abs_y != old_abs_y;
-
- /* Update all children, recursively */
- if ((abs_pos_changed || recalculate_children))
- {
- for (l = private->children; l; l = l->next)
- {
- child = l->data;
- /* Only recalculate clip if the the clip region changed, otherwise
- * there is no way the child clip region could change (its has not e.g. moved)
- * Except if recalculate_children is set to force child updates
- */
- recompute_visible_regions_internal (child,
- recalculate_clip && recalculate_children,
- FALSE);
- }
- }
-}
-
-/* Call this when private has changed in one or more of these ways:
- * size changed
- * surface moved
- * new surface added
- * stacking order of surface changed
- * child deleted
- *
- * It will recalculate abs_x/y and the clip regions
- *
- * Unless the surface didn’t change stacking order or size/pos, pass in TRUE
- * for recalculate_siblings. (Mostly used internally for the recursion)
- *
- * If a child surface was removed (and you can’t use that child for
- * recompute_visible_regions), pass in TRUE for recalculate_children on the parent
- */
-static void
-recompute_visible_regions (GdkSurface *private,
- gboolean recalculate_children)
-{
- recompute_visible_regions_internal (private,
- TRUE,
- recalculate_children);
-}
-
void
_gdk_surface_update_size (GdkSurface *surface)
{
for (l = surface->draw_contexts; l; l = l->next)
gdk_draw_context_surface_resized (l->data);
-
- recompute_visible_regions (surface, FALSE);
}
static GdkSurface *
gdk_display_create_surface_impl (display, surface, NULL, &attributes);
surface->impl_surface = surface;
- recompute_visible_regions (surface, FALSE);
-
g_signal_connect (display, "seat-removed", G_CALLBACK (seat_removed_cb), surface);
return surface;
gboolean foreign_destroy)
{
GdkSurfaceImplClass *impl_class;
- GdkSurface *temp_surface;
GdkDisplay *display;
- GList *tmp;
g_return_if_fail (GDK_IS_SURFACE (surface));
gdk_surface_set_frame_clock (surface, NULL);
}
- tmp = surface->children;
- surface->children = NULL;
- /* No need to free children list, its all made up of in-struct nodes */
-
- while (tmp)
- {
- temp_surface = tmp->data;
- tmp = tmp->next;
-
- if (temp_surface)
- _gdk_surface_destroy_hierarchy (temp_surface,
- TRUE,
- recursing_native || gdk_surface_has_impl (surface),
- foreign_destroy);
- }
-
_gdk_surface_clear_update_area (surface);
impl_class = GDK_SURFACE_IMPL_GET_CLASS (surface->impl);
set_viewable (GdkSurface *w,
gboolean val)
{
- GdkSurface *child;
- GList *l;
-
if (w->viewable == val)
return FALSE;
w->viewable = val;
- if (val)
- recompute_visible_regions (w, FALSE);
-
- for (l = w->children; l != NULL; l = l->next)
- {
- child = l->data;
-
- if (GDK_SURFACE_IS_MAPPED (child))
- set_viewable (child, val);
- }
-
return FALSE;
}
if (!was_mapped)
{
- recompute_visible_regions (surface, FALSE);
-
if (gdk_surface_is_viewable (surface))
gdk_surface_invalidate_rect (surface, NULL);
}
impl_class = GDK_SURFACE_IMPL_GET_CLASS (surface->impl);
impl_class->hide (surface);
}
-
- recompute_visible_regions (surface, FALSE);
}
static void
gint height)
{
GdkSurfaceImplClass *impl_class;
- gboolean is_resize;
-
- is_resize = (width != -1) || (height != -1);
impl_class = GDK_SURFACE_IMPL_GET_CLASS (surface->impl);
impl_class->move_resize (surface, with_move, x, y, width, height);
-
- /* Avoid recomputing for pure toplevel moves, for performance reasons */
- if (is_resize)
- recompute_visible_regions (surface, FALSE);
}
r.height = surface->height;
region = cairo_region_create_rectangle (&r);
- remove_child_area (surface, TRUE, region);
if (merge && surface->input_shape)
cairo_region_subtract (region, surface->input_shape);
GDK_DEVICE_GET_CLASS (device)->set_surface_cursor (device, pointer_surface, cursor);
}
-static gboolean
-point_in_surface (GdkSurface *surface,
- gdouble x,
- gdouble y)
-{
- return
- x >= 0 && x < surface->width &&
- y >= 0 && y < surface->height &&
- (surface->input_shape == NULL ||
- cairo_region_contains_point (surface->input_shape,
- x, y));
-}
-
-/* Same as point_in_surface, except it also takes pass_through and its
- interaction with child surfaces into account */
-static gboolean
-point_in_input_surface (GdkSurface *surface,
- gdouble x,
- gdouble y,
- GdkSurface **input_surface,
- gdouble *input_surface_x,
- gdouble *input_surface_y)
-{
- GdkSurface *sub;
- double child_x, child_y;
- GList *l;
-
- if (!point_in_surface (surface, x, y))
- return FALSE;
-
- if (!surface->pass_through)
- {
- if (input_surface)
- {
- *input_surface = surface;
- *input_surface_x = x;
- *input_surface_y = y;
- }
- return TRUE;
- }
-
- /* For pass-through, must be over a child input surface */
-
- /* Children is ordered in reverse stack order, i.e. first is topmost */
- for (l = surface->children; l != NULL; l = l->next)
- {
- sub = l->data;
-
- if (!GDK_SURFACE_IS_MAPPED (sub))
- continue;
-
- gdk_surface_coords_from_parent ((GdkSurface *)sub,
- x, y,
- &child_x, &child_y);
- if (point_in_input_surface (sub, child_x, child_y,
- input_surface, input_surface_x, input_surface_y))
- {
- if (input_surface)
- gdk_surface_coords_to_parent (sub,
- *input_surface_x,
- *input_surface_y,
- input_surface_x,
- input_surface_y);
- return TRUE;
- }
- }
-
- return FALSE;
-}
-
-GdkSurface *
-_gdk_surface_find_child_at (GdkSurface *surface,
- double x,
- double y)
-{
- GdkSurface *sub;
- double child_x, child_y;
- GList *l;
-
- if (point_in_surface (surface, x, y))
- {
- /* Children is ordered in reverse stack order, i.e. first is topmost */
- for (l = surface->children; l != NULL; l = l->next)
- {
- sub = l->data;
-
- if (!GDK_SURFACE_IS_MAPPED (sub))
- continue;
-
- gdk_surface_coords_from_parent ((GdkSurface *)sub,
- x, y,
- &child_x, &child_y);
- if (point_in_input_surface (sub, child_x, child_y,
- NULL, NULL, NULL))
- return (GdkSurface *)sub;
- }
- }
-
- return NULL;
-}
-
-GdkSurface *
-_gdk_surface_find_descendant_at (GdkSurface *surface,
- gdouble x,
- gdouble y,
- gdouble *found_x,
- gdouble *found_y)
-{
- GdkSurface *sub, *input_surface;
- gdouble child_x, child_y;
- GList *l;
- gboolean found;
-
- if (point_in_surface (surface, x, y))
- {
- do
- {
- found = FALSE;
- /* Children is ordered in reverse stack order, i.e. first is topmost */
- for (l = surface->children; l != NULL; l = l->next)
- {
- sub = l->data;
-
- if (!GDK_SURFACE_IS_MAPPED (sub))
- continue;
-
- gdk_surface_coords_from_parent ((GdkSurface *)sub,
- x, y,
- &child_x, &child_y);
- if (point_in_input_surface (sub, child_x, child_y,
- &input_surface, &child_x, &child_y))
- {
- x = child_x;
- y = child_y;
- surface = input_surface;
- found = TRUE;
- break;
- }
- }
- }
- while (found);
- }
- else
- {
- /* Not in surface at all */
- surface = NULL;
- }
-
- if (found_x)
- *found_x = x;
- if (found_y)
- *found_y = y;
-
- return surface;
-}
-
/**
* gdk_surface_beep:
* @surface: a toplevel #GdkSurface
if (surface->destroyed)
return;
- if (gdk_surface_has_impl (surface))
- GDK_SURFACE_IMPL_GET_CLASS (surface->impl)->set_opacity (surface, opacity);
- else
- {
- recompute_visible_regions (surface, FALSE);
- gdk_surface_invalidate_rect (surface, NULL);
- }
+ GDK_SURFACE_IMPL_GET_CLASS (surface->impl)->set_opacity (surface, opacity);
}
/* This function is called when the XWindow is really gone.
projects / gtk4.git / commitdiff