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