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/* gdkgeometry-quartz.c
*
* Copyright (C) 2005 Imendio AB
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include "gdkprivate-quartz.h"
void
_gdk_quartz_window_translate (GdkWindow *window,
cairo_region_t *area,
gint dx,
gint dy)
{
cairo_region_t *invalidate, *scrolled;
GdkWindowObject *private = (GdkWindowObject *)window;
GdkWindowImplQuartz *impl = (GdkWindowImplQuartz *)private->impl;
GdkRectangle extents;
cairo_region_get_extents (area, &extents);
[impl->view scrollRect:NSMakeRect (extents.x - dx, extents.y - dy,
extents.width, extents.height)
by:NSMakeSize (dx, dy)];
if (impl->needs_display_region)
{
cairo_region_t *intersection;
/* Invalidate already invalidated area that was moved at new
* location.
*/
intersection = cairo_region_copy (impl->needs_display_region);
cairo_region_intersect (intersection, area);
cairo_region_translate (intersection, dx, dy);
_gdk_quartz_window_set_needs_display_in_region (window, intersection);
cairo_region_destroy (intersection);
}
/* Calculate newly exposed area that needs invalidation */
scrolled = cairo_region_copy (area);
cairo_region_translate (scrolled, dx, dy);
invalidate = cairo_region_copy (area);
cairo_region_subtract (invalidate, scrolled);
cairo_region_destroy (scrolled);
_gdk_quartz_window_set_needs_display_in_region (window, invalidate);
cairo_region_destroy (invalidate);
}
gboolean
_gdk_quartz_window_queue_antiexpose (GdkWindow *window,
cairo_region_t *area)
{
return FALSE;
}
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