Add a cache of pixmaps for recently exposed frame areas. Makes metacity a
Sun Jun 26 11:19:18 2005 Soeren Sandmann <sandmann@redhat.com> * src/frames.c: Add a cache of pixmaps for recently exposed frame areas. Makes metacity a bit faster when dragging windows around. See bug 141813.
This commit is contained in:
Soeren Sandmann
Søren Sandmann Pedersen
parent
a85aea8b18
commit
947e45d27d
3 changed files with 395 additions and 45 deletions
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@ -1,3 +1,9 @@
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Sun Jun 26 11:19:18 2005 Soeren Sandmann <sandmann@redhat.com>
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* src/frames.c: Add a cache of pixmaps for recently exposed frame
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areas. Makes metacity a bit faster when dragging windows around.
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See bug 141813.
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2005-06-10 Ryan Lortie <desrt@desrt.ca>
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* src/frames.c: Prevent using the address of a local variable
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428
src/frames.c
428
src/frames.c
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@ -62,7 +62,9 @@ static gboolean meta_frames_leave_notify_event (GtkWidget *widget,
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static void meta_frames_paint_to_drawable (MetaFrames *frames,
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MetaUIFrame *frame,
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GdkDrawable *drawable,
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GdkRegion *region);
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GdkRegion *region,
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int x_offset,
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int y_offset);
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static void meta_frames_set_window_background (MetaFrames *frames,
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MetaUIFrame *frame);
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@ -88,6 +90,9 @@ static MetaFrameControl get_control (MetaFrames *frames,
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int x,
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int y);
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static void clear_tip (MetaFrames *frames);
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static void invalidate_all_caches (MetaFrames *frames);
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static void invalidate_whole_window (MetaFrames *frames,
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MetaUIFrame *frame);
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static GtkWidgetClass *parent_class = NULL;
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@ -196,6 +201,10 @@ meta_frames_init (MetaFrames *frames)
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frames->expose_delay_count = 0;
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frames->invalidate_cache_timeout_id = 0;
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frames->invalidate_frames = NULL;
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frames->cache = g_hash_table_new (g_direct_hash, g_direct_equal);
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gtk_widget_set_double_buffered (GTK_WIDGET (frames), FALSE);
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meta_prefs_add_listener (prefs_changed_callback, frames);
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@ -254,12 +263,99 @@ meta_frames_finalize (GObject *object)
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g_hash_table_destroy (frames->text_heights);
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invalidate_all_caches (frames);
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if (frames->invalidate_cache_timeout_id)
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g_source_remove (frames->invalidate_cache_timeout_id);
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g_assert (g_hash_table_size (frames->frames) == 0);
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g_hash_table_destroy (frames->frames);
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g_hash_table_destroy (frames->cache);
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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typedef struct
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{
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GdkPixmap *top;
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gint top_x, top_y;
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GdkPixmap *left;
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gint left_x, left_y;
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GdkPixmap *right;
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gint right_y, right_x;
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GdkPixmap *bottom;
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gint bottom_x, bottom_y;
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} CachedPixels;
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static CachedPixels *
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get_cache (MetaFrames *frames,
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MetaUIFrame *frame)
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{
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CachedPixels *pixels;
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pixels = g_hash_table_lookup (frames->cache, frame);
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if (!pixels)
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{
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pixels = g_new0 (CachedPixels, 1);
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g_hash_table_insert (frames->cache, frame, pixels);
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}
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return pixels;
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}
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static void
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invalidate_cache (MetaFrames *frames,
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MetaUIFrame *frame)
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{
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CachedPixels *pixels = get_cache (frames, frame);
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if (pixels->top)
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g_object_unref (pixels->top);
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if (pixels->left)
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g_object_unref (pixels->left);
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if (pixels->right)
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g_object_unref (pixels->right);
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if (pixels->bottom)
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g_object_unref (pixels->bottom);
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pixels->top = NULL;
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pixels->bottom = NULL;
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pixels->right = NULL;
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pixels->left = NULL;
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g_hash_table_remove (frames->cache, frame);
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}
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static void
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invalidate_all_caches (MetaFrames *frames)
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{
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GList *l;
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for (l = frames->invalidate_frames; l; l = l->next)
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{
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MetaUIFrame *frame = l->data;
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invalidate_cache (frames, frame);
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}
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g_list_free (frames->invalidate_frames);
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frames->invalidate_frames = NULL;
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}
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static gboolean
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invalidate_cache_timeout (gpointer data)
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{
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MetaFrames *frames = data;
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invalidate_all_caches (frames);
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frames->invalidate_cache_timeout_id = 0;
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return FALSE;
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}
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static void
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queue_recalc_func (gpointer key, gpointer value, gpointer data)
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{
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@ -275,7 +371,7 @@ queue_recalc_func (gpointer key, gpointer value, gpointer data)
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*/
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meta_frames_set_window_background (frames, frame);
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gdk_window_invalidate_rect (frame->window, NULL, FALSE);
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invalidate_whole_window (frames, frame);
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meta_core_queue_frame_resize (gdk_display,
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frame->xwindow);
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if (frame->layout)
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@ -320,7 +416,7 @@ queue_draw_func (gpointer key, gpointer value, gpointer data)
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*/
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meta_frames_set_window_background (frames, frame);
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gdk_window_invalidate_rect (frame->window, NULL, FALSE);
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invalidate_whole_window (frames, frame);
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}
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static void
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@ -512,6 +608,11 @@ meta_frames_unmanage_window (MetaFrames *frames,
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if (frame)
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{
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/* invalidating all caches ensures the frame
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* is not actually referenced anymore
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*/
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invalidate_all_caches (frames);
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/* restore the cursor */
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meta_core_set_screen_cursor (gdk_display,
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frame->xwindow,
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@ -922,14 +1023,15 @@ meta_frames_move_resize_frame (MetaFrames *frames,
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int height)
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{
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MetaUIFrame *frame = meta_frames_lookup_window (frames, xwindow);
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int old_width, old_height;
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int old_x, old_y, old_width, old_height;
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gdk_drawable_get_size (frame->window, &old_width, &old_height);
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gdk_window_get_position (frame->window, &old_x, &old_y);
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gdk_window_move_resize (frame->window, x, y, width, height);
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if (old_width != width || old_height != height)
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gdk_window_invalidate_rect (frame->window, NULL, FALSE);
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invalidate_whole_window (frames, frame);
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}
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void
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@ -943,7 +1045,7 @@ meta_frames_queue_draw (MetaFrames *frames,
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frame = meta_frames_lookup_window (frames, xwindow);
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gdk_window_invalidate_rect (frame->window, NULL, FALSE);
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invalidate_whole_window (frames, frame);
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}
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void
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@ -969,7 +1071,7 @@ meta_frames_set_title (MetaFrames *frames,
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frame->layout = NULL;
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}
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gdk_window_invalidate_rect (frame->window, NULL, FALSE);
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invalidate_whole_window (frames, frame);
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}
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void
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@ -985,7 +1087,10 @@ meta_frames_repaint_frame (MetaFrames *frames,
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g_assert (frame);
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gdk_window_process_updates (frame->window, TRUE);
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/* repaint everything, so the other frame don't
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* lag behind if they are exposed
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*/
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gdk_window_process_all_updates ();
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}
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static void
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@ -1124,6 +1229,7 @@ redraw_control (MetaFrames *frames,
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rect = control_rect (control, &fgeom);
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gdk_window_invalidate_rect (frame->window, rect, FALSE);
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invalidate_cache (frames, frame);
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}
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static gboolean
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@ -1691,12 +1797,218 @@ meta_frames_destroy_event (GtkWidget *widget,
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return TRUE;
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}
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/* Cut and paste from GDK */
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static GdkGC *
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get_bg_gc (GdkWindow *window, int x_offset, int y_offset)
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{
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GdkWindowObject *private = (GdkWindowObject *)window;
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guint gc_mask = 0;
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GdkGCValues gc_values;
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if (private->bg_pixmap == GDK_PARENT_RELATIVE_BG && private->parent)
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{
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return get_bg_gc (GDK_WINDOW (private->parent),
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x_offset + private->x,
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y_offset + private->y);
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}
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else if (private->bg_pixmap &&
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private->bg_pixmap != GDK_PARENT_RELATIVE_BG &&
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private->bg_pixmap != GDK_NO_BG)
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{
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gc_values.fill = GDK_TILED;
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gc_values.tile = private->bg_pixmap;
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gc_values.ts_x_origin = x_offset;
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gc_values.ts_y_origin = y_offset;
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gc_mask = GDK_GC_FILL | GDK_GC_TILE | GDK_GC_TS_X_ORIGIN | GDK_GC_TS_Y_ORIGIN;
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return gdk_gc_new_with_values (window, &gc_values, gc_mask);
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}
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else
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{
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GdkGC *gc = gdk_gc_new (window);
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gdk_gc_set_foreground (gc, &(private->bg_color));
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return gc;
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}
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}
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static void
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clear_backing (GdkPixmap *pixmap,
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GdkWindow *window,
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int xoffset, int yoffset)
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{
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GdkGC *tmp_gc = get_bg_gc (window, xoffset, yoffset);
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gdk_draw_rectangle (pixmap, tmp_gc, TRUE,
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0, 0, -1, -1);
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g_object_unref (tmp_gc);
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}
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static GdkPixmap *
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generate_pixmap (MetaFrames *frames,
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MetaUIFrame *frame,
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int x,
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int y,
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int width,
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int height)
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{
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GdkRectangle rectangle;
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GdkRegion *region;
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GdkPixmap *result;
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rectangle.x = x;
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rectangle.y = y;
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rectangle.width = MAX (width, 1);
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rectangle.height = MAX (height, 1);
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result = gdk_pixmap_new (frame->window, rectangle.width, rectangle.height, -1);
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clear_backing (result, frame->window, rectangle.x, rectangle.y);
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region = gdk_region_rectangle (&rectangle);
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meta_frames_paint_to_drawable (frames, frame, result, region,
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- rectangle.x, - rectangle.y);
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gdk_region_destroy (region);
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return result;
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}
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static void
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populate_cache (MetaFrames *frames,
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MetaUIFrame *frame)
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{
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int top, bottom, left, right;
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int width, height;
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int frame_width, frame_height, screen_width, screen_height;
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CachedPixels *pixels;
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meta_core_get_frame_extents (gdk_display,
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frame->xwindow,
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NULL, NULL,
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&frame_width, &frame_height);
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meta_core_get_screen_size (gdk_display,
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frame->xwindow,
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&screen_width, &screen_height);
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/* don't cache extremely large windows */
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if (frame_width > 2 * screen_width ||
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frame_height > 2 * screen_height)
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{
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return;
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}
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meta_theme_get_frame_borders (meta_theme_get_current (),
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meta_core_get_frame_type (gdk_display, frame->xwindow),
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frame->text_height,
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meta_core_get_frame_flags (gdk_display, frame->xwindow),
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&top, &bottom, &left, &right);
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meta_core_get_client_size (gdk_display, frame->xwindow, &width, &height);
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pixels = get_cache (frames, frame);
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if (!pixels->top)
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{
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pixels->top = generate_pixmap (frames, frame,
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0, 0, left + width + height, top);
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pixels->top_x = 0;
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pixels->top_y = 0;
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}
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if (!pixels->left)
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{
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pixels->left = generate_pixmap (frames, frame,
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0, top, left, height);
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pixels->left_x = 0;
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pixels->left_y = top;
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}
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if (!pixels->right)
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{
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pixels->right = generate_pixmap (frames, frame,
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left + width, top, right, height);
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pixels->right_x = left + width;
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pixels->right_y = top;
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}
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if (!pixels->bottom)
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{
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pixels->bottom = generate_pixmap (frames, frame,
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0, top + height, left + width + height, bottom);
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pixels->bottom_x = 0;
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pixels->bottom_y = top + height;
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}
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if (frames->invalidate_cache_timeout_id)
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g_source_remove (frames->invalidate_cache_timeout_id);
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frames->invalidate_cache_timeout_id = g_timeout_add (1000, invalidate_cache_timeout, frames);
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if (!g_list_find (frames->invalidate_frames, frame))
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frames->invalidate_frames =
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g_list_prepend (frames->invalidate_frames, frame);
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}
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static void
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clip_to_screen (GdkRegion *region, MetaUIFrame *frame)
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{
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GdkRectangle frame_area;
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GdkRectangle screen_area = { 0, 0, 0, 0 };
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GdkRegion *tmp_region;
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/* Chop off stuff outside the screen; this optimization
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* is crucial to handle huge client windows,
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* like "xterm -geometry 1000x1000"
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*/
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meta_core_get_frame_extents (gdk_display,
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frame->xwindow,
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&frame_area.x, &frame_area.y,
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&frame_area.width, &frame_area.height);
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meta_core_get_screen_size (gdk_display,
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frame->xwindow,
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&screen_area.width, &screen_area.height);
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gdk_region_offset (region, frame_area.x, frame_area.y);
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tmp_region = gdk_region_rectangle (&frame_area);
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gdk_region_intersect (region, tmp_region);
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gdk_region_destroy (tmp_region);
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gdk_region_offset (region, - frame_area.x, - frame_area.y);
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}
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static void
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subtract_from_region (GdkRegion *region, GdkDrawable *drawable,
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gint x, gint y)
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{
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GdkRectangle rect;
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GdkRegion *reg_rect;
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gdk_drawable_get_size (drawable, &rect.width, &rect.height);
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rect.x = x;
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rect.y = y;
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reg_rect = gdk_region_rectangle (&rect);
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gdk_region_subtract (region, reg_rect);
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gdk_region_destroy (reg_rect);
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}
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static gboolean
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meta_frames_expose_event (GtkWidget *widget,
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GdkEventExpose *event)
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{
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MetaUIFrame *frame;
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MetaFrames *frames;
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GdkGC *gc;
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GdkRegion *region;
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CachedPixels *pixels;
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frames = META_FRAMES (widget);
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@ -1711,7 +2023,56 @@ meta_frames_expose_event (GtkWidget *widget,
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return TRUE;
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}
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meta_frames_paint_to_drawable (frames, frame, frame->window, event->region);
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populate_cache (frames, frame);
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region = gdk_region_copy (event->region);
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gc = gdk_gc_new (frame->window);
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pixels = get_cache (frames, frame);
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if (pixels->top)
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{
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gdk_draw_drawable (frame->window, gc, pixels->top,
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0, 0,
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pixels->top_x, pixels->top_y,
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-1, -1);
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subtract_from_region (region, pixels->top, pixels->top_x, pixels->top_y);
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}
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if (pixels->left)
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{
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gdk_draw_drawable (frame->window, gc, pixels->left,
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0, 0,
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pixels->left_x, pixels->left_y,
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-1, -1);
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subtract_from_region (region, pixels->left, pixels->left_x, pixels->left_y);
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}
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if (pixels->right)
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{
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gdk_draw_drawable (frame->window, gc, pixels->right,
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0, 0,
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pixels->right_x, pixels->right_y,
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-1, -1);
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subtract_from_region (region, pixels->right, pixels->right_x, pixels->right_y);
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}
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|
||||
if (pixels->bottom)
|
||||
{
|
||||
gdk_draw_drawable (frame->window, gc, pixels->bottom,
|
||||
0, 0,
|
||||
pixels->bottom_x, pixels->bottom_y,
|
||||
-1, -1);
|
||||
subtract_from_region (region, pixels->bottom, pixels->bottom_x, pixels->bottom_y);
|
||||
}
|
||||
|
||||
clip_to_screen (region, frame);
|
||||
meta_frames_paint_to_drawable (frames, frame,
|
||||
frame->window, region, 0, 0);
|
||||
|
||||
g_object_unref (gc);
|
||||
gdk_region_destroy (region);
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
|
@ -1720,7 +2081,9 @@ static void
|
|||
meta_frames_paint_to_drawable (MetaFrames *frames,
|
||||
MetaUIFrame *frame,
|
||||
GdkDrawable *drawable,
|
||||
GdkRegion *region)
|
||||
GdkRegion *region,
|
||||
int x_offset,
|
||||
int y_offset)
|
||||
{
|
||||
GtkWidget *widget;
|
||||
MetaFrameFlags flags;
|
||||
|
|
@ -1737,7 +2100,6 @@ meta_frames_paint_to_drawable (MetaFrames *frames,
|
|||
GdkRectangle area;
|
||||
GdkRectangle *areas;
|
||||
int n_areas;
|
||||
int screen_width, screen_height;
|
||||
MetaButtonLayout button_layout;
|
||||
MetaGrabOp grab_op;
|
||||
|
||||
|
|
@ -1834,36 +2196,6 @@ meta_frames_paint_to_drawable (MetaFrames *frames,
|
|||
gdk_region_subtract (edges, tmp_region);
|
||||
gdk_region_destroy (tmp_region);
|
||||
|
||||
/* Chop off stuff outside the screen; this optimization
|
||||
* is crucial to handle huge client windows,
|
||||
* like "xterm -geometry 1000x1000"
|
||||
*/
|
||||
meta_core_get_frame_extents (gdk_display,
|
||||
frame->xwindow,
|
||||
&area.x, &area.y,
|
||||
&area.width, &area.height);
|
||||
|
||||
meta_core_get_screen_size (gdk_display,
|
||||
frame->xwindow,
|
||||
&screen_width, &screen_height);
|
||||
|
||||
if ((area.x + area.width) > screen_width)
|
||||
area.width = screen_width - area.x;
|
||||
if (area.width < 0)
|
||||
area.width = 0;
|
||||
|
||||
if ((area.y + area.height) > screen_height)
|
||||
area.height = screen_height - area.y;
|
||||
if (area.height < 0)
|
||||
area.height = 0;
|
||||
|
||||
area.x = 0; /* make relative to frame rather than screen */
|
||||
area.y = 0;
|
||||
|
||||
tmp_region = gdk_region_rectangle (&area);
|
||||
gdk_region_intersect (edges, tmp_region);
|
||||
gdk_region_destroy (tmp_region);
|
||||
|
||||
/* Now draw remaining portion of region */
|
||||
gdk_region_get_rectangles (edges, &areas, &n_areas);
|
||||
|
||||
|
|
@ -1878,8 +2210,8 @@ meta_frames_paint_to_drawable (MetaFrames *frames,
|
|||
meta_theme_draw_frame (meta_theme_get_current (),
|
||||
widget,
|
||||
drawable,
|
||||
&areas[i],
|
||||
0, 0,
|
||||
NULL, /* &areas[i], */
|
||||
x_offset, y_offset,
|
||||
type,
|
||||
flags,
|
||||
w, h,
|
||||
|
|
@ -2157,7 +2489,7 @@ queue_pending_exposes_func (gpointer key, gpointer value, gpointer data)
|
|||
|
||||
if (frame->expose_delayed)
|
||||
{
|
||||
gdk_window_invalidate_rect (frame->window, NULL, FALSE);
|
||||
invalidate_whole_window (frames, frame);
|
||||
frame->expose_delayed = FALSE;
|
||||
}
|
||||
}
|
||||
|
|
@ -2176,3 +2508,11 @@ meta_frames_pop_delay_exposes (MetaFrames *frames)
|
|||
frames);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
invalidate_whole_window (MetaFrames *frames,
|
||||
MetaUIFrame *frame)
|
||||
{
|
||||
gdk_window_invalidate_rect (frame->window, NULL, FALSE);
|
||||
invalidate_cache (frames, frame);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -90,6 +90,10 @@ struct _MetaFrames
|
|||
MetaUIFrame *last_motion_frame;
|
||||
|
||||
int expose_delay_count;
|
||||
|
||||
int invalidate_cache_timeout_id;
|
||||
GList *invalidate_frames;
|
||||
GHashTable *cache;
|
||||
};
|
||||
|
||||
struct _MetaFramesClass
|
||||
|
|
|
|||
Loading…
Reference in a new issue