notebook: Protect removal-from-within

When a tab is dropped, we have to remove it from the notebook to
insert it elsewhere. This is expected part of the tab dnd operation,
and we need to differentiate it from 'spontaneous' removals which
cause us to cancel the drag operation.
This commit is contained in:
Matthias Clasen 2015-01-30 09:26:04 -05:00
parent 63104944a3
commit 3fc21b4f3f

View File

@ -162,6 +162,7 @@ struct _GtkNotebookPrivate
guint click_child : 3;
guint during_detach : 1;
guint during_reorder : 1;
guint remove_in_detach : 1;
guint focus_out : 1; /* Flag used by ::move-focus-out implementation */
guint has_scrolled : 1;
guint in_child : 3;
@ -3958,7 +3959,9 @@ do_detach_tab (GtkNotebook *from,
"detachable", &detachable,
NULL);
from->priv->remove_in_detach = TRUE;
gtk_container_remove (GTK_CONTAINER (from), child);
from->priv->remove_in_detach = FALSE;
gtk_widget_get_allocation (GTK_WIDGET (to), &to_allocation);
to_priv->mouse_x = x + to_allocation.x;
@ -5048,7 +5051,7 @@ gtk_notebook_real_remove (GtkNotebook *notebook,
priv->cur_page = NULL;
if (next_list && !destroying)
gtk_notebook_switch_page (notebook, GTK_NOTEBOOK_PAGE (next_list));
if (priv->operation == DRAG_OPERATION_REORDER)
if (priv->operation == DRAG_OPERATION_REORDER && !priv->remove_in_detach)
gtk_notebook_stop_reorder (notebook);
}
@ -5056,7 +5059,7 @@ gtk_notebook_real_remove (GtkNotebook *notebook,
{
priv->detached_tab = NULL;
if (priv->operation == DRAG_OPERATION_DETACH)
if (priv->operation == DRAG_OPERATION_DETACH && !priv->remove_in_detach)
{
GdkDragContext *context;