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disable automatic GTK double buffering, since it resulted in gigantic
2002-05-04 Havoc Pennington <hp@pobox.com> * src/frames.c (meta_frames_init): disable automatic GTK double buffering, since it resulted in gigantic backing pixmaps the size of the whole screen. (meta_frames_paint_to_drawable): change to take a region argument; punch the client area out of the expose region, then iterate over rectangles in the region and draw each, manually doing begin_paint_rect. Results in 4 long thin backing pixmaps per frame repaint, instead of one large backing pixmap. Suggested by Owen.
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ChangeLog
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ChangeLog
@ -1,3 +1,15 @@
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2002-05-04 Havoc Pennington <hp@pobox.com>
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* src/frames.c (meta_frames_init): disable automatic GTK double
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buffering, since it resulted in gigantic backing pixmaps the size
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of the whole screen.
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(meta_frames_paint_to_drawable): change to take a region argument;
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punch the client area out of the expose region, then iterate over
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rectangles in the region and draw each, manually doing
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begin_paint_rect. Results in 4 long thin backing pixmaps
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per frame repaint, instead of one large backing pixmap.
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Suggested by Owen.
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2002-05-05 Bastien Nocera <hadess@hadess.net>
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* src/workspace.c: (meta_workspace_get_neighbor):
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48
src/frames.c
48
src/frames.c
@ -56,7 +56,7 @@ 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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GdkRectangle *area);
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GdkRegion *region);
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static void meta_frames_calc_geometry (MetaFrames *frames,
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MetaUIFrame *frame,
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@ -166,6 +166,8 @@ meta_frames_init (MetaFrames *frames)
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frames->tooltip_timeout = 0;
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frames->expose_delay_count = 0;
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gtk_widget_set_double_buffered (GTK_WIDGET (frames), FALSE);
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}
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static void
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@ -1275,7 +1277,7 @@ 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->area);
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meta_frames_paint_to_drawable (frames, frame, frame->window, event->region);
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return TRUE;
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}
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@ -1284,7 +1286,7 @@ static void
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meta_frames_paint_to_drawable (MetaFrames *frames,
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MetaUIFrame *frame,
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GdkDrawable *drawable,
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GdkRectangle *area)
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GdkRegion *region)
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{
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GtkWidget *widget;
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MetaFrameFlags flags;
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@ -1295,6 +1297,12 @@ meta_frames_paint_to_drawable (MetaFrames *frames,
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MetaButtonState button_states[META_BUTTON_TYPE_LAST];
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Window grab_frame;
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int i;
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int top, bottom, left, right;
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GdkRegion *edges;
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GdkRegion *client;
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GdkRectangle area;
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GdkRectangle *areas;
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int n_areas;
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widget = GTK_WIDGET (frames);
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@ -1365,10 +1373,33 @@ meta_frames_paint_to_drawable (MetaFrames *frames,
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meta_frames_ensure_layout (frames, frame);
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meta_theme_get_frame_borders (meta_theme_get_current (),
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type, frame->text_height, flags,
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&top, &bottom, &left, &right);
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/* Repaint each side of the frame */
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edges = gdk_region_copy (region);
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area.x = left;
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area.y = top;
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area.width = w;
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area.height = h;
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client = gdk_region_rectangle (&area);
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gdk_region_subtract (edges, client);
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gdk_region_destroy (client);
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gdk_region_get_rectangles (edges, &areas, &n_areas);
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i = 0;
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while (i < n_areas)
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{
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if (GDK_IS_WINDOW (drawable))
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gdk_window_begin_paint_rect (drawable, &areas[i]);
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meta_theme_draw_frame (meta_theme_get_current (),
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widget,
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drawable,
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area,
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&areas[i],
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0, 0,
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type,
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flags,
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@ -1377,6 +1408,15 @@ meta_frames_paint_to_drawable (MetaFrames *frames,
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frame->text_height,
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button_states,
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mini_icon, icon);
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if (GDK_IS_WINDOW (drawable))
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gdk_window_end_paint (drawable);
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++i;
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}
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gdk_region_destroy (edges);
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g_free (areas);
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}
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static gboolean
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