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Patch from Paul Davis to implement this in terms of scrollRect, fixes bug

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2007-10-08  Richard Hult  <richard@imendio.com>

	* gdk/quartz/gdkwindow-quartz.c: (move_resize_window_internal):
	Patch from Paul Davis to implement this in terms of scrollRect,
	fixes bug #478377.

svn path=/trunk/; revision=18895
This commit is contained in:
Richard Hult 2007-10-08 17:30:02 +00:00 committed by Richard Hult
parent eb8ee8e257
commit 7d9ac29c93
2 changed files with 103 additions and 8 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2007-10-08 Richard Hult <richard@imendio.com>
* gdk/quartz/gdkwindow-quartz.c: (move_resize_window_internal):
Patch from Paul Davis to implement this in terms of scrollRect,
fixes bug #478377.
2007-10-08 Cody Russell <bratsche@gnome.org>
* modules/engines/ms-windows/msw_style.c:
(draw_tab): Fix memory leak, and fix two instances where

89
gdk/quartz/gdkwindow-quartz.c
View File

@ -1063,17 +1063,50 @@ move_resize_window_internal (GdkWindow *window,
{
GdkWindowObject *private = (GdkWindowObject *)window;
GdkWindowImplQuartz *impl;
GdkRectangle old_visible;
GdkRectangle new_visible;
GdkRectangle scroll_rect;
GdkRegion *old_region;
GdkRegion *expose_region;
NSSize delta;
if (GDK_WINDOW_DESTROYED (window))
return;
impl = GDK_WINDOW_IMPL_QUARTZ (private->impl);
if (!impl->toplevel)
{
/* The previously visible area of this window in a coordinate
* system rooted at the origin of this window.
*/
old_visible.x = -private->x;
old_visible.y = -private->y;
gdk_window_get_size (GDK_DRAWABLE (private->parent),
&old_visible.width,
&old_visible.height);
}
if (x != -1)
{
delta.width = x - private->x;
private->x = x;
}
else
{
delta.width = 0;
}
if (y != -1)
{
delta.height = y - private->y;
private->y = y;
}
else
{
delta.height = 0;
}
if (width != -1)
impl->width = width;
@ -1101,9 +1134,65 @@ move_resize_window_internal (GdkWindow *window,
NSRect nsrect;
nsrect = NSMakeRect (private->x, private->y, impl->width, impl->height);
/* The newly visible area of this window in a coordinate
* system rooted at the origin of this window.
*/
new_visible.x = -private->x;
new_visible.y = -private->y;
new_visible.width = old_visible.width; /* parent has not changed size */
new_visible.height = old_visible.height; /* parent has not changed size */
expose_region = gdk_region_rectangle (&new_visible);
old_region = gdk_region_rectangle (&old_visible);
gdk_region_subtract (expose_region, old_region);
/* Determine what (if any) part of the previously visible
* part of the window can be copied without a redraw
*/
scroll_rect = old_visible;
scroll_rect.x -= delta.width;
scroll_rect.y -= delta.height;
gdk_rectangle_intersect (&scroll_rect, &old_visible, &scroll_rect);
if (!gdk_region_empty (expose_region))
{
GdkRectangle* rects;
gint n_rects;
gint n;
if (scroll_rect.width != 0 && scroll_rect.height != 0)
{
[impl->view scrollRect:NSMakeRect (scroll_rect.x,
scroll_rect.y,
scroll_rect.width,
scroll_rect.height)
by:delta];
}
[impl->view setFrame:nsrect];
gdk_region_get_rectangles (expose_region, &rects, &n_rects);
for (n = 0; n < n_rects; ++n)
{
[impl->view setNeedsDisplayInRect:NSMakeRect (rects[n].x,
rects[n].y,
rects[n].width,
rects[n].height)];
}
g_free (rects);
}
else
{
[impl->view setFrame:nsrect];
[impl->view setNeedsDisplay:YES];
}
gdk_region_destroy (expose_region);
gdk_region_destroy (old_region);
}
}
GDK_QUARTZ_RELEASE_POOL;