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Share the code to copy impl window regions w/ update_area

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Alexander Larsson 2008-12-09 13:33:26 +01:00 committed by Alexander Larsson
parent dc0e339697
commit 1babb5400b
1 changed files with 52 additions and 77 deletions
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129
gdk/gdkwindow.c
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@ -5249,6 +5249,49 @@ move_native_children (GdkWindowObject *private)
}
}
/* Moves bits and update area by dx/dy in impl window
* Takes ownership of region.
*/
static void
move_region_on_impl (GdkWindowObject *private,
GdkRegion *region, /* In impl window coords */
int dx, int dy)
{
GdkGC *tmp_gc;
GdkRectangle copy_rect;
GdkWindowObject *impl_window;
gdk_region_get_clipbox (region, &copy_rect);
tmp_gc = _gdk_drawable_get_scratch_gc ((GdkWindow *)private, TRUE);
gdk_gc_set_clip_region (tmp_gc, region);
gdk_draw_drawable (private->impl,
tmp_gc,
private->impl,
copy_rect.x-dx, copy_rect.y-dy,
copy_rect.x, copy_rect.y,
copy_rect.width, copy_rect.height);
gdk_gc_set_clip_region (tmp_gc, NULL);
impl_window = gdk_window_get_impl_window (private);
/* Move any old invalid regions in the copy source area by dx/dy */
if (impl_window->update_area)
{
GdkRegion *update_area;
update_area = gdk_region_copy (region);
/* Convert from target to source */
gdk_region_offset (update_area, -dx, -dy);
gdk_region_intersect (update_area, impl_window->update_area);
gdk_region_subtract (impl_window->update_area, update_area);
/* Convert back */
gdk_region_offset (update_area, dx, dy);
gdk_region_union (impl_window->update_area, update_area);
gdk_region_destroy (update_area);
}
gdk_region_destroy (region);
}
static void
gdk_window_move_resize_internal (GdkWindow *window,
@ -5264,8 +5307,6 @@ gdk_window_move_resize_internal (GdkWindow *window,
gboolean expose;
int old_x, old_y, old_abs_x, old_abs_y;
int dx, dy;
GdkRectangle copy_rect;
GdkGC *tmp_gc;
gboolean do_move_native_children;
g_return_if_fail (GDK_IS_WINDOW (window));
@ -5370,30 +5411,11 @@ gdk_window_move_resize_internal (GdkWindow *window,
if (!gdk_window_is_offscreen (impl_window))
_gdk_windowing_window_queue_translation ((GdkWindow *)impl_window, old_region, dx, dy);
/* convert from parent coords to real parent */
/* convert from parent coords to impl */
gdk_region_offset (copy_area, private->abs_x - private->x, private->abs_y - private->y);
gdk_region_get_clipbox (copy_area, &copy_rect);
tmp_gc = _gdk_drawable_get_scratch_gc (window, TRUE);
gdk_gc_set_clip_region (tmp_gc, copy_area);
gdk_draw_drawable (private->impl,
tmp_gc,
private->impl,
copy_rect.x-dx, copy_rect.y-dy,
copy_rect.x, copy_rect.y,
copy_rect.width, copy_rect.height);
gdk_gc_set_clip_region (tmp_gc, NULL);
/* Move any old invalid regions in the copy source area by dx/dy */
if (impl_window->update_area)
{
/* Convert from target to source */
gdk_region_offset (copy_area, -dx, -dy);
gdk_region_intersect (copy_area, impl_window->update_area);
gdk_region_subtract (impl_window->update_area, copy_area);
gdk_region_offset (copy_area, dx, dy);
gdk_region_union (impl_window->update_area, copy_area);
}
move_region_on_impl (private, copy_area, dx, dy); /* Takes ownership of copy_area */
/* Invalidate affected part in the parent window
* (no higher window should be affected)
* We also invalidate any children in that area, which could include
@ -5401,10 +5423,8 @@ gdk_window_move_resize_internal (GdkWindow *window,
*/
gdk_window_invalidate_region (GDK_WINDOW (private->parent), new_region, TRUE);
gdk_region_destroy (old_region);
gdk_region_destroy (new_region);
gdk_region_destroy (copy_area);
}
_gdk_syntesize_crossing_events_for_geometry_change (window);
@ -5509,8 +5529,6 @@ gdk_window_scroll (GdkWindow *window,
GdkWindowObject *private = (GdkWindowObject *) window;
GdkWindowObject *impl_window;
GdkRegion *source_area, *copy_area, *noncopy_area;
GdkRectangle copy_rect;
GdkGC *tmp_gc;
GList *tmp_list;
g_return_if_fail (GDK_IS_WINDOW (window));
@ -5572,35 +5590,15 @@ gdk_window_scroll (GdkWindow *window,
gdk_region_destroy (source_area);
}
/* convert from window coords to real parent */
/* convert from window coords to impl */
gdk_region_offset (copy_area, private->abs_x, private->abs_y);
gdk_region_get_clipbox (copy_area, &copy_rect);
tmp_gc = _gdk_drawable_get_scratch_gc (window, TRUE);
gdk_gc_set_clip_region (tmp_gc, copy_area);
gdk_draw_drawable (private->impl,
tmp_gc,
private->impl,
copy_rect.x-dx, copy_rect.y-dy,
copy_rect.x, copy_rect.y,
copy_rect.width, copy_rect.height);
gdk_gc_set_clip_region (tmp_gc, NULL);
/* Move the current invalid region for the copy area */
if (private->update_area)
{
/* Convert from target to source */
gdk_region_offset (copy_area, -dx, -dy);
gdk_region_intersect (copy_area, impl_window->update_area);
gdk_region_subtract (impl_window->update_area, copy_area);
gdk_region_offset (copy_area, dx, dy);
gdk_region_union (impl_window->update_area, copy_area);
}
move_region_on_impl (private, copy_area, dx, dy); /* Takes ownership of copy_area */
/* Invalidate not copied regions */
gdk_window_invalidate_region (window, noncopy_area, TRUE);
gdk_region_destroy (noncopy_area);
gdk_region_destroy (copy_area);
_gdk_syntesize_crossing_events_for_geometry_change (window);
}
@ -5631,9 +5629,6 @@ gdk_window_move_region (GdkWindow *window,
GdkRegion *source_area;
GdkRegion *nocopy_area;
GdkRegion *copy_area;
GdkRegion *moving_invalid_region;
GdkRectangle copy_rect;
GdkGC *tmp_gc;
g_return_if_fail (GDK_IS_WINDOW (window));
g_return_if_fail (region != NULL);
@ -5655,18 +5650,6 @@ gdk_window_move_region (GdkWindow *window,
gdk_region_offset (copy_area, dx, dy);
gdk_region_intersect (copy_area, private->clip_region_with_children);
/* Move the current invalid region for the copy area */
if (impl_window->update_area)
{
moving_invalid_region = gdk_region_copy (copy_area);
gdk_region_offset (moving_invalid_region, private->abs_x - dx, private->abs_y - dy);
gdk_region_intersect (moving_invalid_region, impl_window->update_area);
gdk_region_subtract (impl_window->update_area, moving_invalid_region);
gdk_region_offset (moving_invalid_region, dx, dy);
gdk_region_union (impl_window->update_area, moving_invalid_region);
gdk_region_destroy (moving_invalid_region);
}
/* invalidate parts of the region not covered by the copy */
nocopy_area = gdk_region_copy (region);
gdk_region_offset (nocopy_area, dx, dy);
@ -5681,20 +5664,12 @@ gdk_window_move_region (GdkWindow *window,
_gdk_windowing_window_queue_translation ((GdkWindow *)impl_window, source_area, dx, dy);
}
/* convert from window coords to impl */
gdk_region_offset (copy_area, private->abs_x, private->abs_y);
gdk_region_get_clipbox (copy_area, &copy_rect);
tmp_gc = _gdk_drawable_get_scratch_gc (window, TRUE);
gdk_gc_set_clip_region (tmp_gc, copy_area);
gdk_draw_drawable (private->impl,
tmp_gc,
private->impl,
copy_rect.x-dx, copy_rect.y-dy,
copy_rect.x, copy_rect.y,
copy_rect.width, copy_rect.height);
gdk_gc_set_clip_region (tmp_gc, NULL);
move_region_on_impl (private, copy_area, dx, dy); /* Takes ownership of copy_area */
gdk_region_destroy (source_area);
gdk_region_destroy (copy_area);
}
/**