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gtkoverlay: Optimize size allocations

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Doing raises / lowers here will invalidate the entire child widget
almost every time, since raising each widget causes it to invalidate
that area.
This commit is contained in:
Jasper St. Pierre 2015-07-31 20:21:20 -07:00
parent 9f24b54786
commit 93171cf4f3
1 changed files with 11 additions and 4 deletions
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15
gtk/gtkoverlay.c
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@ -302,11 +302,8 @@ gtk_overlay_child_allocate (GtkOverlay *overlay,
if (gtk_widget_get_mapped (GTK_WIDGET (overlay)))
{
/* Note: This calls show every size allocation, which makes
* us keep the z-order of the chilren, as gdk_window_show()
* does an implicit raise. */
if (gtk_widget_get_visible (child->widget))
gdk_window_show (child->window);
gdk_window_show_unraised (child->window);
else if (gdk_window_is_visible (child->window))
gdk_window_hide (child->window);
}
@ -590,6 +587,16 @@ gtk_overlay_reorder_overlay (GtkOverlay *overlay,
if (index == old_index)
return;
if (new_link)
{
GtkOverlayChild *new_child_info = new_link->data;
gdk_window_restack (child_info->window, new_child_info->window, TRUE);
}
else
{
gdk_window_raise (child_info->window);
}
priv->children = g_slist_delete_link (priv->children, old_link);
priv->children = g_slist_insert_before (priv->children, new_link, child_info);