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gtkstack: reorder size_allocate and move_window

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Unlike other container widgets, GtkStack would allocate its children
prior to moving its windows, which might prevent further valid size
allocation signals to be emitted.

Re-order the size allocation of child widgets to be performed after
moving the GtkStack windows.

Thanks to Owen for spotting the real issue here.

https://bugzilla.gnome.org/show_bug.cgi?id=767713
This commit is contained in:
Olivier Fourdan 2016-11-02 10:08:17 +01:00
parent f70039cb96
commit 57f551a114
1 changed files with 9 additions and 11 deletions
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20
gtk/gtkstack.c
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@ -2245,6 +2245,15 @@ gtk_stack_allocate (GtkCssGadget *gadget,
child_allocation.x = 0;
child_allocation.y = 0;
if (gtk_widget_get_realized (widget))
{
gdk_window_move_resize (priv->view_window,
allocation->x, allocation->y,
allocation->width, allocation->height);
gdk_window_move_resize (priv->bin_window,
get_bin_window_x (stack, allocation), get_bin_window_y (stack, allocation),
allocation->width, allocation->height);
}
if (priv->last_visible_child)
{
@ -2284,17 +2293,6 @@ gtk_stack_allocate (GtkCssGadget *gadget,
gtk_widget_size_allocate (priv->visible_child->widget, &child_allocation);
}
if (gtk_widget_get_realized (widget))
{
gdk_window_move_resize (priv->view_window,
allocation->x, allocation->y,
allocation->width, allocation->height);
gdk_window_move_resize (priv->bin_window,
get_bin_window_x (stack, allocation), get_bin_window_y (stack, allocation),
allocation->width, allocation->height);
}
gtk_container_get_children_clip (GTK_CONTAINER (widget), out_clip);
}