gtk2/gdk/quartz/gdkgeometry-quartz.c

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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_scroll (GdkWindow *window,
gint dx,
gint dy)
{
NSRect visible_nsrect;
GdkRectangle visible_rect, scrolled_rect;
GdkRegion *visible_region, *scrolled_region;
GdkRectangle *rects;
gint n_rects, i;
GdkWindowObject *private = GDK_WINDOW_OBJECT (window);
GdkWindowImplQuartz *impl = GDK_WINDOW_IMPL_QUARTZ (private->impl);
GList *list;
/* Move the current invalid region */
if (private->update_area)
gdk_region_offset (private->update_area, dx, dy);
visible_nsrect = [impl->view visibleRect];
visible_rect.x = visible_nsrect.origin.x;
visible_rect.y = visible_nsrect.origin.y;
visible_rect.width = visible_nsrect.size.width;
visible_rect.height = visible_nsrect.size.height;
scrolled_rect = visible_rect;
scrolled_rect.x += dx;
scrolled_rect.y += dy;
gdk_rectangle_intersect (&visible_rect, &scrolled_rect, &scrolled_rect);
visible_region = gdk_region_rectangle (&visible_rect);
scrolled_region = gdk_region_rectangle (&scrolled_rect);
gdk_region_subtract (visible_region, scrolled_region);
[impl->view scrollRect:[impl->view bounds] by:NSMakeSize(dx, dy)];
gdk_region_get_rectangles (visible_region, &rects, &n_rects);
for (i = 0; i < n_rects; i++)
[impl->view setNeedsDisplayInRect:NSMakeRect (rects[i].x, rects[i].y, rects[i].width, rects[i].height)];
g_free (rects);
gdk_region_destroy (visible_region);
gdk_region_destroy (scrolled_region);
/* Move child windows */
for (list = private->children; list; list = list->next)
{
GdkWindowObject *child = GDK_WINDOW_OBJECT (list->data);
gdk_window_move (list->data,
child->x + dx,
child->y + dy);
}
}
void
_gdk_quartz_window_move_region (GdkWindow *window,
const GdkRegion *region,
gint dx,
gint dy)
{
/* FIXME: Implement */
}