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bgo#529908 - Sanitize handling of motion events in GtkNotebook

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GtkNotebook used gdk_window_get_pointer() incorrectly, as it already
had coordinates from various GdkEvents.  Using get_pointer() means
that you get pointer positions *after* the event has happened, which
leads to visual out-of-sync results, or inadvertently detached tabs if
you click on them while your machine is being slow.

Signed-off-by: Federico Mena Quintero <federico@novell.com>
This commit is contained in:
Stanislav Brabec 2009-06-23 14:05:32 -05:00 committed by Federico Mena Quintero
parent b436f5b8a3
commit a39b2dcee4
1 changed files with 11 additions and 8 deletions
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19
gtk/gtknotebook.c
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@ -2532,10 +2532,8 @@ gtk_notebook_button_press (GtkWidget *widget,
priv->during_reorder = FALSE;
priv->pressed_button = event->button;
gdk_window_get_pointer (widget->window,
&priv->mouse_x,
&priv->mouse_y,
NULL);
priv->mouse_x = x;
priv->mouse_y = y;
priv->drag_begin_x = priv->mouse_x;
priv->drag_begin_y = priv->mouse_y;
@ -2969,6 +2967,7 @@ gtk_notebook_motion_notify (GtkWidget *widget,
GtkNotebookPointerPosition pointer_position;
GtkSettings *settings;
guint timeout;
gint x_win, y_win;
page = notebook->cur_page;
@ -2986,10 +2985,14 @@ gtk_notebook_motion_notify (GtkWidget *widget,
return FALSE;
priv->timestamp = event->time;
gdk_window_get_pointer (widget->window,
&priv->mouse_x,
&priv->mouse_y,
NULL);
/* While animating the move, event->x is relative to the flying tab
* (priv->drag_window has a pointer grab), but we need coordinates relative to
* the notebook widget.
*/
gdk_window_get_origin (widget->window, &x_win, &y_win);
priv->mouse_x = event->x_root - x_win;
priv->mouse_y = event->y_root - y_win;
arrow = gtk_notebook_get_arrow (notebook, priv->mouse_x, priv->mouse_y);
if (arrow != notebook->in_child)