* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
+#include <config.h>
#include "gdkwindow.h"
#include "gdkinternals.h"
#include "gdk.h" /* For gdk_rectangle_union() */
#include "gdkdrawable.h"
#include "gdkpixmap.h"
#include "gdkscreen.h"
+#include "gdkalias.h"
#define USE_BACKING_STORE /* Appears to work on Win32, too, now. */
GdkPixmap *pixmap;
gint x_offset;
gint y_offset;
+ cairo_surface_t *surface;
};
-static const GdkPointerHooks default_pointer_hooks = {
- _gdk_windowing_window_get_pointer,
- _gdk_windowing_window_at_pointer
-};
-
-const GdkPointerHooks *_gdk_current_pointer_hooks = &default_pointer_hooks;
-
static GdkGC *gdk_window_create_gc (GdkDrawable *drawable,
GdkGCValues *values,
GdkGCValuesMask mask);
static void gdk_window_draw_rectangle (GdkDrawable *drawable,
GdkGC *gc,
- gint filled,
+ gboolean filled,
gint x,
gint y,
gint width,
gint height);
static void gdk_window_draw_arc (GdkDrawable *drawable,
GdkGC *gc,
- gint filled,
+ gboolean filled,
gint x,
gint y,
gint width,
gint angle2);
static void gdk_window_draw_polygon (GdkDrawable *drawable,
GdkGC *gc,
- gint filled,
+ gboolean filled,
GdkPoint *points,
gint npoints);
static void gdk_window_draw_text (GdkDrawable *drawable,
GdkGC *gc,
GdkPoint *points,
gint npoints);
-static void gdk_window_draw_glyphs (GdkDrawable *drawable,
- GdkGC *gc,
- PangoFont *font,
- gint x,
- gint y,
- PangoGlyphString *glyphs);
+
+static void gdk_window_draw_glyphs (GdkDrawable *drawable,
+ GdkGC *gc,
+ PangoFont *font,
+ gint x,
+ gint y,
+ PangoGlyphString *glyphs);
+static void gdk_window_draw_glyphs_transformed (GdkDrawable *drawable,
+ GdkGC *gc,
+ PangoMatrix *matrix,
+ PangoFont *font,
+ gint x,
+ gint y,
+ PangoGlyphString *glyphs);
static void gdk_window_draw_image (GdkDrawable *drawable,
GdkGC *gc,
gint x_dither,
gint y_dither);
+static void gdk_window_draw_trapezoids (GdkDrawable *drawable,
+ GdkGC *gc,
+ GdkTrapezoid *trapezoids,
+ gint n_trapezoids);
+
static GdkImage* gdk_window_copy_to_image (GdkDrawable *drawable,
GdkImage *image,
gint src_x,
gint width,
gint height);
+static cairo_surface_t *gdk_window_ref_cairo_surface (GdkDrawable *drawable);
+
static void gdk_window_real_get_size (GdkDrawable *drawable,
gint *width,
gint *height);
static void gdk_window_init (GdkWindowObject *window);
static void gdk_window_class_init (GdkWindowObjectClass *klass);
static void gdk_window_finalize (GObject *object);
+static void gdk_window_clear_backing_rect (GdkWindow *window,
+ gint x,
+ gint y,
+ gint width,
+ gint height);
static gpointer parent_class = NULL;
static GType object_type = 0;
if (!object_type)
+ object_type = g_type_register_static_simple (GDK_TYPE_DRAWABLE,
+ "GdkWindow",
+ sizeof (GdkWindowObjectClass),
+ (GClassInitFunc) gdk_window_class_init,
+ sizeof (GdkWindowObject),
+ (GInstanceInitFunc) gdk_window_init,
+ 0);
+
+ return object_type;
+}
+
+GType
+_gdk_paintable_get_type (void)
+{
+ static GType paintable_type = 0;
+
+ if (!paintable_type)
{
- static const GTypeInfo object_info =
+ static const GTypeInfo paintable_info =
{
- sizeof (GdkWindowObjectClass),
- (GBaseInitFunc) NULL,
- (GBaseFinalizeFunc) NULL,
- (GClassInitFunc) gdk_window_class_init,
- NULL, /* class_finalize */
- NULL, /* class_data */
- sizeof (GdkWindowObject),
- 0, /* n_preallocs */
- (GInstanceInitFunc) gdk_window_init,
+ sizeof (GdkPaintableIface), /* class_size */
+ NULL, /* base_init */
+ NULL, /* base_finalize */
};
-
- object_type = g_type_register_static (GDK_TYPE_DRAWABLE,
- "GdkWindow",
- &object_info, 0);
+
+ paintable_type = g_type_register_static (G_TYPE_INTERFACE,
+ g_intern_static_string ("GdkPaintable"),
+ &paintable_info, 0);
+
+ g_type_interface_add_prerequisite (paintable_type, G_TYPE_OBJECT);
}
-
- return object_type;
+
+ return paintable_type;
}
static void
drawable_class->draw_segments = gdk_window_draw_segments;
drawable_class->draw_lines = gdk_window_draw_lines;
drawable_class->draw_glyphs = gdk_window_draw_glyphs;
+ drawable_class->draw_glyphs_transformed = gdk_window_draw_glyphs_transformed;
drawable_class->draw_image = gdk_window_draw_image;
drawable_class->draw_pixbuf = gdk_window_draw_pixbuf;
+ drawable_class->draw_trapezoids = gdk_window_draw_trapezoids;
drawable_class->get_depth = gdk_window_real_get_depth;
drawable_class->get_screen = gdk_window_real_get_screen;
drawable_class->get_size = gdk_window_real_get_size;
drawable_class->get_colormap = gdk_window_real_get_colormap;
drawable_class->get_visual = gdk_window_real_get_visual;
drawable_class->_copy_to_image = gdk_window_copy_to_image;
+ drawable_class->ref_cairo_surface = gdk_window_ref_cairo_surface;
drawable_class->get_clip_region = gdk_window_get_clip_region;
drawable_class->get_visible_region = gdk_window_get_visible_region;
drawable_class->get_composite_drawable = gdk_window_get_composite_drawable;
G_OBJECT_CLASS (parent_class)->finalize (object);
}
+static void
+window_remove_filters (GdkWindow *window)
+{
+ GdkWindowObject *obj = (GdkWindowObject*) window;
+
+ if (obj->filters)
+ {
+ GList *tmp_list;
+
+ for (tmp_list = obj->filters; tmp_list; tmp_list = tmp_list->next)
+ g_free (tmp_list->data);
+
+ g_list_free (obj->filters);
+ obj->filters = NULL;
+ }
+}
+
/**
* _gdk_window_destroy_hierarchy:
* @window: a #GdkWindow
GdkWindowObject *private;
GdkWindowObject *temp_private;
GdkWindow *temp_window;
+ GdkScreen *screen;
GList *children;
GList *tmp;
private = (GdkWindowObject*) window;
+ if (GDK_WINDOW_DESTROYED (window))
+ return;
+
switch (GDK_WINDOW_TYPE (window))
{
+ case GDK_WINDOW_ROOT:
+ screen = gdk_drawable_get_screen (GDK_DRAWABLE (window));
+ if (!screen->closed)
+ {
+ g_error ("attempted to destroy root window");
+ break;
+ }
+ /* else fall thru */
case GDK_WINDOW_TOPLEVEL:
case GDK_WINDOW_CHILD:
case GDK_WINDOW_DIALOG:
case GDK_WINDOW_TEMP:
case GDK_WINDOW_FOREIGN:
- if (!GDK_WINDOW_DESTROYED (window))
+ if (GDK_WINDOW_TYPE (window) == GDK_WINDOW_FOREIGN && !foreign_destroy)
+ {
+ /* Logically, it probably makes more sense to send
+ * a "destroy yourself" message to the foreign window
+ * whether or not it's in our heirarchy; but for historical
+ * reasons, we only send "destroy yourself" messages to
+ * foreign windows in our heirarchy.
+ */
+ if (private->parent)
+ _gdk_windowing_window_destroy_foreign (window);
+
+ /* Also for historical reasons, we remove any filters
+ * on a foreign window when it or a parent is destroyed;
+ * this likely causes problems if two separate portions
+ * of code are maintaining filter lists on a foreign window.
+ */
+ window_remove_filters (window);
+ }
+ else
{
private->state |= GDK_WINDOW_STATE_WITHDRAWN;
}
_gdk_windowing_window_destroy (window, recursing, foreign_destroy);
+ private->parent = NULL;
private->destroyed = TRUE;
- if (private->filters)
- {
- tmp = private->filters;
-
- while (tmp)
- {
- g_free (tmp->data);
- tmp = tmp->next;
- }
-
- g_list_free (private->filters);
- private->filters = NULL;
- }
+ window_remove_filters (window);
gdk_drawable_set_colormap (GDK_DRAWABLE (window), NULL);
}
break;
-
- case GDK_WINDOW_ROOT:
- g_error ("attempted to destroy root window");
- break;
}
}
* gdk_window_destroy:
* @window: a #GdkWindow
*
- * Destroys @window (destroys the server-side resource associated with
- * @window). Memory allocated for @window may not be freed until all
- * references to @window are dropped. All children of @window are also
- * destroyed.
+ * Destroys the window system resources associated with @window and decrements @window's
+ * reference count. The window system resources for all children of @window are also
+ * destroyed, but the children's reference counts are not decremented.
+ *
+ * Note that a window will not be destroyed automatically when its reference count
+ * reaches zero. You must call this function yourself before that happens.
*
- * There's normally no need to use this function, window are automatically
- * destroyed when their reference count reaches 0.
- *
**/
void
gdk_window_destroy (GdkWindow *window)
/**
* gdk_screen_get_toplevel_windows:
- * @screen : The #GdkScreen where the toplevels are located.
+ * @screen: The #GdkScreen where the toplevels are located.
*
* Obtains a list of all toplevel windows known to GDK on the screen @screen.
* A toplevel window is a child of the root window (see
* its elements need not be freed.
*
* Return value: list of toplevel windows, free with g_list_free()
+ *
+ * Since: 2.2
**/
GList *
gdk_screen_get_toplevel_windows (GdkScreen *screen)
* gdk_window_get_toplevels:
*
* Obtains a list of all toplevel windows known to GDK on the default
- * screen (see gdk_window_get_toplevels_for_screen()).
+ * screen (see gdk_screen_get_toplevel_windows()).
* A toplevel window is a child of the root window (see
* gdk_get_default_root_window()).
*
gdk_window_is_viewable (GdkWindow *window)
{
GdkWindowObject *private = (GdkWindowObject *)window;
- GdkScreen *screen = gdk_drawable_get_screen (window);
- GdkWindow *root_window = gdk_screen_get_root_window (screen);
+ GdkScreen *screen;
+ GdkWindow *root_window;
g_return_val_if_fail (window != NULL, FALSE);
g_return_val_if_fail (GDK_IS_WINDOW (window), FALSE);
+
+ screen = gdk_drawable_get_screen (window);
+ root_window = gdk_screen_get_root_window (screen);
while (private &&
(private != (GdkWindowObject *)root_window) &&
(GDK_WINDOW_TYPE (private) != GDK_WINDOW_FOREIGN))
{
- if (!GDK_WINDOW_IS_MAPPED (window))
+ if (GDK_WINDOW_DESTROYED (private) || !GDK_WINDOW_IS_MAPPED (private))
return FALSE;
private = (GdkWindowObject *)private->parent;
gdk_region_destroy (region);
}
-static GdkGC *
-gdk_window_get_bg_gc (GdkWindow *window, GdkWindowPaint *paint)
-{
- GdkWindowObject *private = (GdkWindowObject *)window;
-
- guint gc_mask = 0;
- GdkGCValues gc_values;
-
- if (private->bg_pixmap == GDK_PARENT_RELATIVE_BG && private->parent)
- {
- GdkWindowPaint tmp_paint = *paint;
- tmp_paint.x_offset += private->x;
- tmp_paint.y_offset += private->y;
-
- return gdk_window_get_bg_gc (GDK_WINDOW (private->parent), &tmp_paint);
- }
- else if (private->bg_pixmap &&
- private->bg_pixmap != GDK_PARENT_RELATIVE_BG &&
- private->bg_pixmap != GDK_NO_BG)
- {
- gc_values.fill = GDK_TILED;
- gc_values.tile = private->bg_pixmap;
- gc_values.ts_x_origin = - paint->x_offset;
- gc_values.ts_y_origin = - paint->y_offset;
-
- gc_mask = (GDK_GC_FILL | GDK_GC_TILE |
- GDK_GC_TS_X_ORIGIN | GDK_GC_TS_Y_ORIGIN);
- }
- else
- {
- gc_values.foreground = private->bg_color;
- gc_mask = GDK_GC_FOREGROUND;
- }
-
- return gdk_gc_new_with_values (paint->pixmap, &gc_values, gc_mask);
-}
-
-static void
-gdk_window_paint_init_bg (GdkWindow *window,
- GdkWindowPaint *paint,
- GdkRegion *init_region)
-{
- GdkGC *tmp_gc;
-
- tmp_gc = gdk_window_get_bg_gc (window, paint);
-
- gdk_region_offset (init_region,
- - paint->x_offset,
- - paint->y_offset);
- gdk_gc_set_clip_region (tmp_gc, init_region);
-
- gdk_draw_rectangle (paint->pixmap, tmp_gc, TRUE, 0, 0, -1, -1);
- g_object_unref (tmp_gc);
-}
-
#ifdef GDK_WINDOWING_X11
#include "x11/gdkx.h"
#endif
GdkWindowObject *private = (GdkWindowObject *)window;
GdkRectangle clip_box;
GdkWindowPaint *paint;
- GdkRegion *init_region;
- GdkGC *tmp_gc;
+ GSList *list;
g_return_if_fail (window != NULL);
g_return_if_fail (GDK_IS_WINDOW (window));
if (GDK_WINDOW_DESTROYED (window))
return;
-
- paint = g_new (GdkWindowPaint, 1);
- paint->region = gdk_region_copy (region);
-
- init_region = gdk_region_copy (region);
- gdk_region_get_clipbox (paint->region, &clip_box);
-
- if (private->paint_stack)
+ if (GDK_IS_PAINTABLE (private->impl) &&
+ GDK_PAINTABLE_GET_IFACE (private->impl)->begin_paint_region)
{
- gint old_width, old_height;
- GdkWindowPaint *tmp_paint = private->paint_stack->data;
- GdkRectangle old_rect, new_rect;
- GSList *tmp_list;
-
- gdk_drawable_get_size (tmp_paint->pixmap, &old_width, &old_height);
- old_rect.x = tmp_paint->x_offset;
- old_rect.y = tmp_paint->y_offset;
- old_rect.width = old_width;
- old_rect.height = old_height;
-
- gdk_rectangle_union (&clip_box, &old_rect, &new_rect);
+ GDK_PAINTABLE_GET_IFACE (private->impl)->begin_paint_region (GDK_PAINTABLE (private->impl), region);
+ return;
+ }
- if (new_rect.width > old_rect.width || new_rect.height > old_rect.height)
- {
- paint->pixmap = gdk_pixmap_new (window,
- new_rect.width, new_rect.height, -1);
- tmp_gc = gdk_gc_new (paint->pixmap);
- gdk_draw_drawable (paint->pixmap, tmp_gc, tmp_paint->pixmap,
- 0, 0,
- old_rect.x - new_rect.x, old_rect.y - new_rect.y,
- old_rect.width, old_rect.height);
- g_object_unref (tmp_gc);
- g_object_unref (tmp_paint->pixmap);
-
- paint->x_offset = new_rect.x;
- paint->y_offset = new_rect.y;
-
- tmp_list = private->paint_stack;
- while (tmp_list)
- {
- tmp_paint = tmp_list->data;
- gdk_region_subtract (init_region, tmp_paint->region);
-
- tmp_paint->pixmap = paint->pixmap;
- tmp_paint->x_offset = paint->x_offset;
- tmp_paint->y_offset = paint->y_offset;
-
- tmp_list = tmp_list->next;
- }
- }
- else
- {
- paint->x_offset = tmp_paint->x_offset;
- paint->y_offset = tmp_paint->y_offset;
- paint->pixmap = tmp_paint->pixmap;
+ gdk_region_get_clipbox (region, &clip_box);
- tmp_list = private->paint_stack;
- while (tmp_list)
- {
- tmp_paint = tmp_list->data;
- gdk_region_subtract (init_region, tmp_paint->region);
+ paint = g_new (GdkWindowPaint, 1);
+ paint->region = gdk_region_copy (region);
+ paint->x_offset = clip_box.x;
+ paint->y_offset = clip_box.y;
+ paint->pixmap =
+ gdk_pixmap_new (window,
+ MAX (clip_box.width, 1), MAX (clip_box.height, 1), -1);
- tmp_list = tmp_list->next;
- }
- }
- }
- else
+ paint->surface = _gdk_drawable_ref_cairo_surface (paint->pixmap);
+ cairo_surface_set_device_offset (paint->surface,
+ - paint->x_offset, - paint->y_offset);
+
+ for (list = private->paint_stack; list != NULL; list = list->next)
{
- paint->x_offset = clip_box.x;
- paint->y_offset = clip_box.y;
- paint->pixmap = gdk_pixmap_new (window,
- clip_box.width, clip_box.height, -1);
- }
+ GdkWindowPaint *tmp_paint = list->data;
- if (!gdk_region_empty (init_region))
- gdk_window_paint_init_bg (window, paint, init_region);
-
- gdk_region_destroy (init_region);
+ gdk_region_subtract (tmp_paint->region, paint->region);
+ }
private->paint_stack = g_slist_prepend (private->paint_stack, paint);
+
+ if (!gdk_region_empty (region))
+ {
+ gdk_window_clear_backing_rect (window,
+ clip_box.x, clip_box.y,
+ clip_box.width, clip_box.height);
+ }
#endif /* USE_BACKING_STORE */
}
if (GDK_WINDOW_DESTROYED (window))
return;
+ if (GDK_IS_PAINTABLE (private->impl) &&
+ GDK_PAINTABLE_GET_IFACE (private->impl)->end_paint)
+ {
+ GDK_PAINTABLE_GET_IFACE (private->impl)->end_paint (GDK_PAINTABLE (private->impl));
+ return;
+ }
+
if (private->paint_stack == NULL)
{
g_warning (G_STRLOC": no preceding call to gdk_window_begin_paint_region(), see documentation");
gdk_region_get_clipbox (paint->region, &clip_box);
- tmp_gc = gdk_gc_new (window);
+ tmp_gc = _gdk_drawable_get_scratch_gc (window, FALSE);
_gdk_windowing_window_get_offsets (window, &x_offset, &y_offset);
gdk_gc_set_clip_region (tmp_gc, paint->region);
- gdk_gc_set_clip_origin (tmp_gc, -x_offset, -y_offset);
+ gdk_gc_set_clip_origin (tmp_gc, - x_offset, - y_offset);
gdk_draw_drawable (private->impl, tmp_gc, paint->pixmap,
clip_box.x - paint->x_offset,
clip_box.y - paint->y_offset,
clip_box.x - x_offset, clip_box.y - y_offset,
clip_box.width, clip_box.height);
- g_object_unref (tmp_gc);
- if (private->paint_stack)
- {
- GSList *tmp_list = private->paint_stack;
- while (tmp_list)
- {
- GdkWindowPaint *tmp_paint = tmp_list->data;
- gdk_region_subtract (tmp_paint->region, paint->region);
-
- tmp_list = tmp_list->next;
- }
- }
- else
- g_object_unref (paint->pixmap);
+ /* Reset clip region of the cached GdkGC */
+ gdk_gc_set_clip_region (tmp_gc, NULL);
+ cairo_surface_destroy (paint->surface);
+ g_object_unref (paint->pixmap);
gdk_region_destroy (paint->region);
g_free (paint);
#endif /* USE_BACKING_STORE */
static void
gdk_window_draw_rectangle (GdkDrawable *drawable,
GdkGC *gc,
- gint filled,
+ gboolean filled,
gint x,
gint y,
gint width,
static void
gdk_window_draw_arc (GdkDrawable *drawable,
GdkGC *gc,
- gint filled,
+ gboolean filled,
gint x,
gint y,
gint width,
static void
gdk_window_draw_polygon (GdkDrawable *drawable,
GdkGC *gc,
- gint filled,
+ gboolean filled,
GdkPoint *points,
gint npoints)
{
}
static GdkDrawable*
-gdk_window_get_composite_drawable (GdkDrawable *window,
+gdk_window_get_composite_drawable (GdkDrawable *drawable,
gint x,
gint y,
gint width,
gint *composite_x_offset,
gint *composite_y_offset)
{
- GdkWindowObject *private = (GdkWindowObject *)window;
- GdkWindowPaint *paint;
- GdkRegion *buffered_region;
- GSList *tmp_list;
- GdkPixmap *buffer;
+ GdkWindowObject *private = (GdkWindowObject *)drawable;
+ GSList *list;
GdkPixmap *tmp_pixmap;
GdkRectangle rect;
- GdkRegion *rect_region;
GdkGC *tmp_gc;
- gint windowing_x_offset, windowing_y_offset;
- gint buffer_x_offset, buffer_y_offset;
-
- if (GDK_WINDOW_DESTROYED (window) || private->paint_stack == NULL)
- {
- /* No backing store */
- _gdk_windowing_window_get_offsets (window,
- composite_x_offset,
- composite_y_offset);
-
- return g_object_ref (window);
- }
-
- buffered_region = NULL;
- buffer = NULL;
+ gboolean overlap_buffer;
- /* All GtkWindowPaint structs have the same pixmap and offsets, just
- * get the first one. (should probably be cleaned up so that the
- * pixmap is stored in the window)
- */
- paint = private->paint_stack->data;
- buffer = paint->pixmap;
- buffer_x_offset = paint->x_offset;
- buffer_y_offset = paint->y_offset;
+ _gdk_windowing_window_get_offsets (drawable,
+ composite_x_offset,
+ composite_y_offset);
- tmp_list = private->paint_stack;
- while (tmp_list != NULL)
+ if ((GDK_IS_WINDOW (drawable) && GDK_WINDOW_DESTROYED (drawable))
+ || private->paint_stack == NULL)
{
- paint = tmp_list->data;
-
- if (buffered_region == NULL)
- buffered_region = gdk_region_copy (paint->region);
- else
- gdk_region_union (buffered_region, paint->region);
-
- tmp_list = g_slist_next (tmp_list);
+ /* No backing store */
+ return g_object_ref (drawable);
}
/* See if the buffered part is overlapping the part we want
rect.width = width;
rect.height = height;
- rect_region = gdk_region_rectangle (&rect);
+ overlap_buffer = FALSE;
- gdk_region_intersect (buffered_region, rect_region);
-
- gdk_region_destroy (rect_region);
-
- if (gdk_region_empty (buffered_region))
+ for (list = private->paint_stack; list != NULL; list = list->next)
{
- gdk_region_destroy (buffered_region);
+ GdkWindowPaint *paint = list->data;
+ GdkOverlapType overlap;
- _gdk_windowing_window_get_offsets (window,
- composite_x_offset,
- composite_y_offset);
+ overlap = gdk_region_rect_in (paint->region, &rect);
- return g_object_ref (window);
+ if (overlap == GDK_OVERLAP_RECTANGLE_IN)
+ {
+ *composite_x_offset = paint->x_offset;
+ *composite_y_offset = paint->y_offset;
+
+ return g_object_ref (paint->pixmap);
+ }
+ else if (overlap == GDK_OVERLAP_RECTANGLE_PART)
+ {
+ overlap_buffer = TRUE;
+ break;
+ }
}
-
- tmp_pixmap = gdk_pixmap_new (window,
- width, height,
- -1);
- tmp_gc = gdk_gc_new (tmp_pixmap);
+ if (!overlap_buffer)
+ return g_object_ref (drawable);
+
+ tmp_pixmap = gdk_pixmap_new (drawable, width, height, -1);
+ tmp_gc = _gdk_drawable_get_scratch_gc (tmp_pixmap, FALSE);
- _gdk_windowing_window_get_offsets (window,
- &windowing_x_offset,
- &windowing_y_offset);
-
/* Copy the current window contents */
gdk_draw_drawable (tmp_pixmap,
tmp_gc,
private->impl,
- x - windowing_x_offset,
- y - windowing_y_offset,
+ x - *composite_x_offset,
+ y - *composite_y_offset,
0, 0,
width, height);
- /* Make buffered_region relative to the tmp_pixmap */
- gdk_region_offset (buffered_region,
- - x,
- - y);
-
- /* Set the clip mask to avoid drawing over non-buffered areas of
- * tmp_pixmap.
- */
-
- gdk_gc_set_clip_region (tmp_gc, buffered_region);
- gdk_region_destroy (buffered_region);
-
- /* Draw backing pixmap onto the tmp_pixmap, offsetting
- * appropriately.
- */
- gdk_draw_drawable (tmp_pixmap,
- tmp_gc,
- buffer,
- x - buffer_x_offset,
- y - buffer_y_offset,
- 0, 0,
- width, height);
-
+ /* paint the backing stores */
+ for (list = private->paint_stack; list != NULL; list = list->next)
+ {
+ GdkWindowPaint *paint = list->data;
+
+ gdk_gc_set_clip_region (tmp_gc, paint->region);
+ gdk_gc_set_clip_origin (tmp_gc, -x, -y);
+
+ gdk_draw_drawable (tmp_pixmap, tmp_gc, paint->pixmap,
+ x - paint->x_offset,
+ y - paint->y_offset,
+ 0, 0, width, height);
+ }
+
+ /* Reset clip region of the cached GdkGC */
+ gdk_gc_set_clip_region (tmp_gc, NULL);
+
/* Set these to location of tmp_pixmap within the window */
*composite_x_offset = x;
*composite_y_offset = y;
- g_object_unref (tmp_gc);
-
return tmp_pixmap;
}
RESTORE_GC (gc);
}
-/* Fixme - this is just like gdk_window_paint_init_bg */
+static void
+gdk_window_draw_glyphs_transformed (GdkDrawable *drawable,
+ GdkGC *gc,
+ PangoMatrix *matrix,
+ PangoFont *font,
+ gint x,
+ gint y,
+ PangoGlyphString *glyphs)
+{
+ GdkWindowObject *private = (GdkWindowObject *)drawable;
+ PangoMatrix tmp_matrix;
+
+ OFFSET_GC (gc);
+
+ if (GDK_WINDOW_DESTROYED (drawable))
+ return;
+
+ if (x_offset != 0 || y_offset != 0)
+ {
+ if (matrix)
+ {
+ tmp_matrix = *matrix;
+ tmp_matrix.x0 -= x_offset;
+ tmp_matrix.y0 -= y_offset;
+ matrix = &tmp_matrix;
+ }
+ else
+ {
+ x -= x_offset * PANGO_SCALE;
+ y -= y_offset * PANGO_SCALE;
+ }
+ }
+
+ if (private->paint_stack)
+ {
+ GdkWindowPaint *paint = private->paint_stack->data;
+
+ gdk_draw_glyphs_transformed (paint->pixmap, gc, matrix, font, x, y, glyphs);
+ }
+ else
+ gdk_draw_glyphs_transformed (private->impl, gc, matrix, font, x, y, glyphs);
+
+ RESTORE_GC (gc);
+}
+
+typedef struct {
+ cairo_t *cr; /* if non-null, it means use this cairo context */
+ GdkGC *gc; /* if non-null, it means use this GC instead */
+} BackingRectMethod;
+
+static void
+setup_backing_rect_method (BackingRectMethod *method, GdkWindow *window, GdkWindowPaint *paint, int x_offset_cairo, int y_offset_cairo)
+{
+ GdkWindowObject *private = (GdkWindowObject *)window;
+
+ if (private->bg_pixmap == GDK_PARENT_RELATIVE_BG && private->parent)
+ {
+ GdkWindowPaint tmp_paint;
+
+ tmp_paint = *paint;
+ tmp_paint.x_offset += private->x;
+ tmp_paint.y_offset += private->y;
+
+ x_offset_cairo += private->x;
+ y_offset_cairo += private->y;
+
+ setup_backing_rect_method (method, GDK_WINDOW (private->parent), &tmp_paint, x_offset_cairo, y_offset_cairo);
+ }
+ else if (private->bg_pixmap &&
+ private->bg_pixmap != GDK_PARENT_RELATIVE_BG &&
+ private->bg_pixmap != GDK_NO_BG)
+ {
+/* This is a workaround for https://bugs.freedesktop.org/show_bug.cgi?id=4320.
+ * In it, using a pixmap as a repeating pattern in Cairo, and painting it to a
+ * pixmap destination surface, can be very slow (on the order of seconds for a
+ * whole-screen copy). The workaround is to use pretty much the same code that
+ * we used in GTK+ 2.6 (pre-Cairo), which clears the double-buffer pixmap with
+ * a tiled GC XFillRectangle().
+ */
+
+/* Actually computing this flag is left as an exercise for the reader */
+#if defined (G_OS_UNIX)
+# define GDK_CAIRO_REPEAT_IS_FAST 0
+#else
+# define GDK_CAIRO_REPEAT_IS_FAST 1
+#endif
+
+#if GDK_CAIRO_REPEAT_IS_FAST
+ cairo_surface_t *surface = _gdk_drawable_ref_cairo_surface (private->bg_pixmap);
+ cairo_pattern_t *pattern = cairo_pattern_create_for_surface (surface);
+ cairo_surface_destroy (surface);
+
+ if (x_offset_cairo != 0 || y_offset_cairo != 0)
+ {
+ cairo_matrix_t matrix;
+ cairo_matrix_init_translate (&matrix, x_offset_cairo, y_offset_cairo);
+ cairo_pattern_set_matrix (pattern, &matrix);
+ }
+
+ cairo_pattern_set_extend (pattern, CAIRO_EXTEND_REPEAT);
+
+ method->cr = cairo_create (paint->surface);
+ method->gc = NULL;
+
+ cairo_set_source (method->cr, pattern);
+ cairo_pattern_destroy (pattern);
+#else
+ guint gc_mask;
+ GdkGCValues gc_values;
+
+ gc_values.fill = GDK_TILED;
+ gc_values.tile = private->bg_pixmap;
+ gc_values.ts_x_origin = -x_offset_cairo;
+ gc_values.ts_y_origin = -y_offset_cairo;
+
+ gc_mask = GDK_GC_FILL | GDK_GC_TILE | GDK_GC_TS_X_ORIGIN | GDK_GC_TS_Y_ORIGIN;
+
+ method->gc = gdk_gc_new_with_values (paint->pixmap, &gc_values, gc_mask);
+#endif
+ }
+ else
+ {
+ method->cr = cairo_create (paint->surface);
+
+ gdk_cairo_set_source_color (method->cr, &private->bg_color);
+ }
+}
+
static void
gdk_window_clear_backing_rect (GdkWindow *window,
gint x,
{
GdkWindowObject *private = (GdkWindowObject *)window;
GdkWindowPaint *paint = private->paint_stack->data;
- GdkGC *tmp_gc;
+ BackingRectMethod method;
+#if 0
+ GTimer *timer;
+ double elapsed;
+#endif
if (GDK_WINDOW_DESTROYED (window))
return;
-
- tmp_gc = gdk_window_get_bg_gc (window, paint);
- gdk_draw_rectangle (paint->pixmap, tmp_gc, TRUE,
- x - paint->x_offset, y - paint->y_offset, width, height);
- g_object_unref (tmp_gc);
+
+#if 0
+ timer = g_timer_new ();
+#endif
+
+ method.cr = NULL;
+ method.gc = NULL;
+ setup_backing_rect_method (&method, window, paint, 0, 0);
+
+ if (method.cr)
+ {
+ g_assert (method.gc == NULL);
+
+ cairo_rectangle (method.cr, x, y, width, height);
+ cairo_clip (method.cr);
+
+ gdk_cairo_region (method.cr, paint->region);
+ cairo_fill (method.cr);
+
+ cairo_destroy (method.cr);
+#if 0
+ elapsed = g_timer_elapsed (timer, NULL);
+ g_print ("Draw the background with Cairo: %fs\n", elapsed);
+#endif
+ }
+ else
+ {
+ g_assert (method.gc != NULL);
+
+ gdk_gc_set_clip_region (method.gc, paint->region);
+ gdk_draw_rectangle (window, method.gc, TRUE, x, y, width, height);
+ g_object_unref (method.gc);
+
+#if 0
+ elapsed = g_timer_elapsed (timer, NULL);
+ g_print ("Draw the background with GDK: %fs\n", elapsed);
+#endif
+ }
+
+#if 0
+ g_timer_destroy (timer);
+#endif
}
/**
}
}
+static void
+gdk_window_draw_trapezoids (GdkDrawable *drawable,
+ GdkGC *gc,
+ GdkTrapezoid *trapezoids,
+ gint n_trapezoids)
+{
+ GdkWindowObject *private = (GdkWindowObject *)drawable;
+ GdkTrapezoid *new_trapezoids = NULL;
+
+ OFFSET_GC (gc);
+
+ if (GDK_WINDOW_DESTROYED (drawable))
+ return;
+
+ if (x_offset != 0 || y_offset != 0)
+ {
+ gint i;
+
+ new_trapezoids = g_new (GdkTrapezoid, n_trapezoids);
+ for (i=0; i < n_trapezoids; i++)
+ {
+ new_trapezoids[i].y1 = trapezoids[i].y1 - y_offset;
+ new_trapezoids[i].x11 = trapezoids[i].x11 - x_offset;
+ new_trapezoids[i].x21 = trapezoids[i].x21 - x_offset;
+ new_trapezoids[i].y2 = trapezoids[i].y2 - y_offset;
+ new_trapezoids[i].x12 = trapezoids[i].x12 - x_offset;
+ new_trapezoids[i].x22 = trapezoids[i].x22 - x_offset;
+ }
+
+ trapezoids = new_trapezoids;
+ }
+
+ if (private->paint_stack)
+ {
+ GdkWindowPaint *paint = private->paint_stack->data;
+ gdk_draw_trapezoids (paint->pixmap, gc, trapezoids, n_trapezoids);
+ }
+ else
+ gdk_draw_trapezoids (private->impl, gc, trapezoids, n_trapezoids);
+
+ if (new_trapezoids)
+ g_free (new_trapezoids);
+
+ RESTORE_GC (gc);
+}
+
static void
gdk_window_real_get_size (GdkDrawable *drawable,
gint *width,
_gdk_windowing_window_get_offsets (drawable, &x_offset, &y_offset);
- return _gdk_drawable_copy_to_image (((GdkWindowObject*)drawable)->impl,
- image,
- src_x - x_offset,
- src_y - y_offset,
- dest_x, dest_y,
- width, height);
+ return gdk_drawable_copy_to_image (((GdkWindowObject*)drawable)->impl,
+ image,
+ src_x - x_offset,
+ src_y - y_offset,
+ dest_x, dest_y,
+ width, height);
+}
+
+static cairo_surface_t *
+gdk_window_ref_cairo_surface (GdkDrawable *drawable)
+{
+ GdkWindowObject *private = (GdkWindowObject*) drawable;
+ cairo_surface_t *surface;
+
+ if (private->paint_stack)
+ {
+ GdkWindowPaint *paint = private->paint_stack->data;
+
+ surface = paint->surface;
+ cairo_surface_reference (surface);
+ }
+ else
+ surface = _gdk_drawable_ref_cairo_surface (private->impl);
+
+ return surface;
}
/* Code for dirty-region queueing
*/
-
static GSList *update_windows = NULL;
static guint update_idle = 0;
static gboolean debug_updates = FALSE;
+static gboolean
+gdk_window_update_idle (gpointer data)
+{
+ GDK_THREADS_ENTER ();
+ gdk_window_process_all_updates ();
+ GDK_THREADS_LEAVE ();
+
+ return FALSE;
+}
+
+static void
+gdk_window_schedule_update (GdkWindow *window)
+{
+ if (window && GDK_WINDOW_OBJECT (window)->update_freeze_count)
+ return;
+
+ if (!update_idle)
+ {
+ update_idle = g_idle_add_full (GDK_PRIORITY_REDRAW,
+ gdk_window_update_idle, NULL, NULL);
+ }
+}
+
static void
gdk_window_process_updates_internal (GdkWindow *window)
{
GdkRegion *update_area = private->update_area;
private->update_area = NULL;
- if (_gdk_event_func && gdk_window_is_viewable (window) &&
- (private->event_mask & GDK_EXPOSURE_MASK))
+ if (_gdk_event_func && gdk_window_is_viewable (window))
{
- GdkEvent event;
GdkRectangle window_rect;
GdkRegion *expose_region;
GdkRegion *window_region;
g_usleep (70000);
}
- gdk_drawable_get_size (GDK_DRAWABLE (private), &width, &height);
-
- window_rect.x = 0;
- window_rect.y = 0;
- window_rect.width = width;
- window_rect.height = height;
-
save_region = _gdk_windowing_window_queue_antiexpose (window, update_area);
-
- event.expose.type = GDK_EXPOSE;
- event.expose.window = g_object_ref (window);
- event.expose.count = 0;
if (save_region)
expose_region = gdk_region_copy (update_area);
else
expose_region = update_area;
+
+ gdk_drawable_get_size (GDK_DRAWABLE (private), &width, &height);
+
+ window_rect.x = 0;
+ window_rect.y = 0;
+ window_rect.width = width;
+ window_rect.height = height;
+
window_region = gdk_region_rectangle (&window_rect);
gdk_region_intersect (expose_region,
window_region);
gdk_region_destroy (window_region);
- event.expose.region = expose_region;
- gdk_region_get_clipbox (expose_region, &event.expose.area);
-
- if (!gdk_region_empty (expose_region))
+ if (!gdk_region_empty (expose_region) &&
+ (private->event_mask & GDK_EXPOSURE_MASK))
{
+ GdkEvent event;
+
+ event.expose.type = GDK_EXPOSE;
+ event.expose.window = g_object_ref (window);
+ event.expose.send_event = FALSE;
+ event.expose.count = 0;
+ event.expose.region = expose_region;
+ gdk_region_get_clipbox (expose_region, &event.expose.area);
+
(*_gdk_event_func) (&event, _gdk_event_data);
+
+ g_object_unref (window);
}
if (expose_region != update_area)
gdk_region_destroy (expose_region);
- g_object_unref (window);
}
if (!save_region)
gdk_region_destroy (update_area);
}
}
+static void
+flush_all_displays (void)
+{
+ GSList *displays = gdk_display_manager_list_displays (gdk_display_manager_get ());
+ GSList *tmp_list;
+
+ for (tmp_list = displays; tmp_list; tmp_list = tmp_list->next)
+ gdk_display_flush (tmp_list->data);
+
+ g_slist_free (displays);
+}
+
+/* Currently it is not possible to override
+ * gdk_window_process_all_updates in the same manner as
+ * gdk_window_process_updates and gdk_window_invalidate_maybe_recurse
+ * by implementing the GdkPaintable interface. If in the future a
+ * backend would need this, the right solution would be to add a
+ * method to GdkDisplay that can be optionally
+ * NULL. gdk_window_process_all_updates can then walk the list of open
+ * displays and call the mehod.
+ */
+
/**
* gdk_window_process_all_updates:
*
while (tmp_list)
{
- gdk_window_process_updates_internal (tmp_list->data);
+ GdkWindowObject *private = (GdkWindowObject *)tmp_list->data;
+
+ if (private->update_freeze_count)
+ update_windows = g_slist_prepend (update_windows, private);
+ else
+ gdk_window_process_updates_internal (tmp_list->data);
+
g_object_unref (tmp_list->data);
tmp_list = tmp_list->next;
}
g_slist_free (old_update_windows);
- gdk_flush();
-}
-
-static gboolean
-gdk_window_update_idle (gpointer data)
-{
- GDK_THREADS_ENTER ();
- gdk_window_process_all_updates ();
- GDK_THREADS_LEAVE ();
-
- return FALSE;
+ flush_all_displays ();
}
/**
g_return_if_fail (window != NULL);
g_return_if_fail (GDK_IS_WINDOW (window));
- if (private->update_area)
+ if (GDK_IS_PAINTABLE (private->impl) &&
+ GDK_PAINTABLE_GET_IFACE (private->impl)->process_updates)
+ {
+ GDK_PAINTABLE_GET_IFACE (private->impl)->process_updates (GDK_PAINTABLE (private->impl), update_children);
+ return;
+ }
+
+ if (private->update_area && !private->update_freeze_count)
{
gdk_window_process_updates_internal (window);
update_windows = g_slist_remove (update_windows, window);
{
GdkWindowObject *private = (GdkWindowObject *)window;
GdkRegion *visible_region;
+ GList *tmp_list;
g_return_if_fail (window != NULL);
g_return_if_fail (GDK_IS_WINDOW (window));
if (private->input_only || !GDK_WINDOW_IS_MAPPED (window))
return;
+ if (GDK_IS_PAINTABLE (private->impl) &&
+ GDK_PAINTABLE_GET_IFACE (private->impl)->invalidate_maybe_recurse)
+ {
+ GDK_PAINTABLE_GET_IFACE (private->impl)->invalidate_maybe_recurse (GDK_PAINTABLE (private->impl), region,
+ child_func, user_data);
+ return;
+ }
+
visible_region = gdk_drawable_get_visible_region (window);
gdk_region_intersect (visible_region, region);
+ tmp_list = private->children;
+ while (tmp_list)
+ {
+ GdkWindowObject *child = tmp_list->data;
+
+ if (!child->input_only)
+ {
+ GdkRegion *child_region;
+ GdkRectangle child_rect;
+
+ gdk_window_get_position ((GdkWindow *)child,
+ &child_rect.x, &child_rect.y);
+ gdk_drawable_get_size ((GdkDrawable *)child,
+ &child_rect.width, &child_rect.height);
+
+ child_region = gdk_region_rectangle (&child_rect);
+
+ /* remove child area from the invalid area of the parent */
+ if (GDK_WINDOW_IS_MAPPED (child) && !child->shaped)
+ gdk_region_subtract (visible_region, child_region);
+
+ if (child_func && (*child_func) ((GdkWindow *)child, user_data))
+ {
+ gdk_region_offset (region, - child_rect.x, - child_rect.y);
+ gdk_region_offset (child_region, - child_rect.x, - child_rect.y);
+ gdk_region_intersect (child_region, region);
+
+ gdk_window_invalidate_maybe_recurse ((GdkWindow *)child,
+ child_region, child_func, user_data);
+
+ gdk_region_offset (region, child_rect.x, child_rect.y);
+ }
+
+ gdk_region_destroy (child_region);
+ }
+
+ tmp_list = tmp_list->next;
+ }
+
if (!gdk_region_empty (visible_region))
{
if (debug_updates)
update_windows = g_slist_prepend (update_windows, window);
private->update_area = gdk_region_copy (visible_region);
- if (!private->update_freeze_count && !update_idle)
- update_idle = g_idle_add_full (GDK_PRIORITY_REDRAW,
- gdk_window_update_idle, NULL, NULL);
- }
-
- if (child_func)
- {
- GList *tmp_list;
-
- tmp_list = private->children;
- while (tmp_list)
- {
- GdkWindowObject *child = tmp_list->data;
- tmp_list = tmp_list->next;
-
- if (!child->input_only && (*child_func) ((GdkWindow *)child, user_data))
- {
- GdkRegion *child_region;
- gint x, y;
-
- gdk_window_get_position ((GdkWindow *)child, &x, &y);
-
- /* This copy could be saved with a little more complexity */
- child_region = gdk_region_copy (visible_region);
- gdk_region_offset (child_region, -x, -y);
-
- gdk_window_invalidate_maybe_recurse ((GdkWindow *)child, child_region, child_func, user_data);
-
- gdk_region_destroy (child_region);
- }
- }
+ gdk_window_schedule_update (window);
}
}
g_return_if_fail (GDK_IS_WINDOW (window));
g_return_if_fail (private->update_freeze_count > 0);
- private->update_freeze_count--;
- if (!private->update_freeze_count && private->update_area && !update_idle)
- update_idle = g_idle_add_full (GDK_PRIORITY_REDRAW,
- gdk_window_update_idle, NULL, NULL);
+ if (--private->update_freeze_count == 0)
+ gdk_window_schedule_update (window);
}
/**
if (geometry->min_aspect * height > width)
{
- delta = FLOOR (height - width * geometry->min_aspect, yinc);
+ delta = FLOOR (height - width / geometry->min_aspect, yinc);
if (height - delta >= min_height)
height -= delta;
else
*new_height = height;
}
-/**
- * gdk_set_pointer_hooks:
- * @new_hooks: a table of pointers to functions for getting
- * quantities related to the current pointer position,
- * or %NULL to restore the default table.
- *
- * This function allows for hooking into the operation
- * of getting the current location of the pointer. This
- * is only useful for such low-level tools as an
- * event recorder. Applications should never have any
- * reason to use this facility
- *
- * Return value: the previous pointer hook table
- **/
-GdkPointerHooks *
-gdk_set_pointer_hooks (const GdkPointerHooks *new_hooks)
-{
- const GdkPointerHooks *result = _gdk_current_pointer_hooks;
-
- if (new_hooks)
- _gdk_current_pointer_hooks = new_hooks;
- else
- _gdk_current_pointer_hooks = &default_pointer_hooks;
-
- return (GdkPointerHooks *)result;
-}
-
/**
* gdk_window_get_pointer:
* @window: a #GdkWindow
* @mask: return location for modifier mask
*
* Obtains the current pointer position and modifier state.
- * The position is given in coordinates relative to @window.
+ * The position is given in coordinates relative to the upper left
+ * corner of @window.
*
* Return value: the window containing the pointer (as with
* gdk_window_at_pointer()), or %NULL if the window containing the
gdk_window_get_pointer (GdkWindow *window,
gint *x,
gint *y,
- GdkModifierType *mask)
+ GdkModifierType *mask)
{
- g_return_val_if_fail (window == NULL || GDK_IS_WINDOW (window), NULL);
+ GdkDisplay *display;
+ gint tmp_x, tmp_y;
+ GdkModifierType tmp_mask;
+ GdkWindow *child;
- return _gdk_current_pointer_hooks->get_pointer (window, x, y, mask);
+ g_return_val_if_fail (window == NULL || GDK_IS_WINDOW (window), NULL);
+
+ if (window)
+ {
+ display = gdk_drawable_get_display (window);
+ }
+ else
+ {
+ GdkScreen *screen = gdk_screen_get_default ();
+
+ display = gdk_screen_get_display (screen);
+ window = gdk_screen_get_root_window (screen);
+
+ GDK_NOTE (MULTIHEAD,
+ g_message ("Passing NULL for window to gdk_window_get_pointer()\n"
+ "is not multihead safe"));
+ }
+
+ child = display->pointer_hooks->window_get_pointer (display, window, &tmp_x, &tmp_y, &tmp_mask);
+
+ if (x)
+ *x = tmp_x;
+ if (y)
+ *y = tmp_y;
+ if (mask)
+ *mask = tmp_mask;
+
+ return child;
}
/**
*
* Obtains the window underneath the mouse pointer, returning the
* location of that window in @win_x, @win_y. Returns %NULL if the
- * window under the mouse pointer is not known to GDK (for example,
- * belongs to another application).
+ * window under the mouse pointer is not known to GDK (if the window
+ * belongs to another application and a #GdkWindow hasn't been created
+ * for it with gdk_window_foreign_new())
*
* NOTE: For multihead-aware widgets or applications use
- * gdk_screen_get_window_at_pointer() instead.
+ * gdk_display_get_window_at_pointer() instead.
*
* Return value: window under the mouse pointer
**/
gdk_window_at_pointer (gint *win_x,
gint *win_y)
{
- return gdk_screen_get_window_at_pointer (gdk_screen_get_default (), win_x, win_y);
+ return gdk_display_get_window_at_pointer (gdk_display_get_default (), win_x, win_y);
}
/**
return gdk_window_foreign_new_for_display (gdk_display_get_default (), anid);
}
+#define __GDK_WINDOW_C__
+#include "gdkaliasdef.c"
projects / ~andy / gtk / blobdiff