Attachment 162219 Details for Bug 253599 – Clear widget space outside the remote framebuffer region

[patch] Clear widget space outside the remote framebuffer region

gtk-vnc-clear.patch (text/plain), 1.07 KB, created by Daniel Berrangé on 2007-08-22 16:53:50 UTC

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Creator: Daniel Berrangé

Created: 2007-08-22 16:53:50 UTC

Size: 1.07 KB

patch

obsolete

>diff -r 453f9ca2a737 src/vncdisplay.c
>--- a/src/vncdisplay.c	Wed Aug 22 10:40:33 2007 -0400
>+++ b/src/vncdisplay.c	Wed Aug 22 12:48:09 2007 -0400
>@@ -103,6 +103,8 @@ static gboolean expose_event(GtkWidget *
> 	VncDisplay *obj = VNC_DISPLAY(widget);
> 	VncDisplayPrivate *priv = obj->priv;
> 	int x, y, w, h;
>+	GdkRectangle drawn;
>+	GdkRegion *clear, *copy;
> 
> 	if (priv->shm_image == NULL)
> 		return TRUE;
>@@ -114,9 +116,27 @@ static gboolean expose_event(GtkWidget *
> 	w -= x;
> 	h -= y;
> 
>+	drawn.x = x;
>+	drawn.y = y;
>+	drawn.width = w;
>+	drawn.height = h;
>+
>+	clear = gdk_region_rectangle(&expose->area);
>+	copy = gdk_region_rectangle(&drawn);
>+	gdk_region_subtract(clear, copy);
>+
>+	gdk_gc_set_clip_region(priv->gc, copy);
> 	vnc_shm_image_draw(priv->shm_image, widget->window,
>-			   priv->gc, 
>+			   priv->gc,
> 			   x, y, x, y, w, h);
>+
>+	gdk_gc_set_clip_region(priv->gc, clear);
>+	gdk_draw_rectangle(widget->window, priv->gc, TRUE, expose->area.x, expose->area.y,
>+			   expose->area.width, expose->area.height);
>+
>+	gdk_region_destroy(clear);
>+	gdk_region_destroy(copy);
>+
> 	return TRUE;
> }
>

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Attachments on bug 253599: 161914 | 162219