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display: Copy background setter code from mutter

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This code uses the new GDK API to set the window background.

https://bugzilla.gnome.org/show_bug.cgi?id=626870
This commit is contained in:
Benjamin Otte 2010-08-21 04:05:33 +02:00
parent 6c990cd60c
commit c1b95ff43f
1 changed files with 14 additions and 27 deletions
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41
panels/display/scrollarea.c
View file

@ -434,39 +434,26 @@ clear_exposed_input_region (FooScrollArea *area,
cairo_region_destroy (viewport);
}
/* taken from mutter */
static void
setup_background_cr (GdkWindow *window,
cairo_t *cr,
int x_offset,
int y_offset)
setup_background_cr (GdkWindow *window, cairo_t *cr, int x_offset, int y_offset)
{
GdkPixmap *pixmap;
GdkWindow *parent;
gint x, y;
GdkColor bg_color;
gboolean parent_relative;
GdkWindow *parent = gdk_window_get_parent (window);
cairo_pattern_t *bg_pattern;
gdk_window_get_back_pixmap (window, &pixmap, &parent_relative);
parent = gdk_window_get_effective_parent (window);
gdk_window_get_geometry (window, &x, &y, NULL, NULL, NULL);
gdk_window_get_background (window, &bg_color);
bg_pattern = gdk_window_get_background_pattern (window);
if (bg_pattern == NULL && parent)
{
gint window_x, window_y;
if (parent_relative && parent)
{
x_offset += x;
y_offset += y;
setup_background_cr (parent, cr, x_offset, y_offset);
gdk_window_get_position (window, &window_x, &window_y);
setup_background_cr (parent, cr, x_offset + window_x, y_offset + window_y);
}
else if (pixmap &&
!parent_relative/* &&
pixmap != GDK_NO_BG*/)
else if (bg_pattern)
{
gdk_cairo_set_source_pixmap (cr, pixmap, -x_offset, -y_offset);
}
else
{
gdk_cairo_set_source_color (cr, &bg_color);
cairo_translate (cr, - x_offset, - y_offset);
cairo_set_source (cr, bg_pattern);
cairo_translate (cr, x_offset, y_offset);
}
}