/* Translates coordinates from window relative (x, y) to
* allocation relative (x, y) of the returned widget.
*/
-static GtkWidget *
-find_widget_under_pointer (GdkWindow *window,
- gint *x,
- gint *y)
+GtkWidget *
+_gtk_widget_find_at_coords (GdkWindow *window,
+ gint window_x,
+ gint window_y,
+ gint *widget_x,
+ gint *widget_y)
{
GtkWidget *event_widget;
struct ChildLocation child_loc = { NULL, NULL, 0, 0 };
+ g_return_val_if_fail (GDK_IS_WINDOW (window), NULL);
+
gdk_window_get_user_data (window, (void **)&event_widget);
if (!event_widget)
#ifdef DEBUG_TOOLTIP
g_print ("event window %p (belonging to %p (%s)) (%d, %d)\n",
window, event_widget, gtk_widget_get_name (event_widget),
- *x, *y);
+ window_x, window_y);
#endif
/* Coordinates are relative to event window */
- child_loc.x = *x;
- child_loc.y = *y;
+ child_loc.x = window_x;
+ child_loc.y = window_y;
/* We go down the window hierarchy to the widget->window,
* coordinates stay relative to the current window.
gtk_widget_translate_coordinates (container, event_widget,
child_loc.x, child_loc.y,
&child_loc.x, &child_loc.y);
-
}
/* We return (x, y) relative to the allocation of event_widget. */
- if (x)
- *x = child_loc.x;
- if (y)
- *y = child_loc.y;
+ if (widget_x)
+ *widget_x = child_loc.x;
+ if (widget_y)
+ *widget_y = child_loc.y;
return event_widget;
}
GtkWidget *tmp;
gdk_event_get_coords (event, &dx, &dy);
- tx = dx;
- ty = dy;
/* Returns coordinates relative to tmp's allocation. */
- tmp = find_widget_under_pointer (event->any.window, &tx, &ty);
+ tmp = _gtk_widget_find_at_coords (event->any.window, dx, dy, &tx, &ty);
if (!tmp)
return NULL;
tooltip->last_x = tx;
tooltip->last_y = ty;
- pointer_widget = tooltip_widget = find_widget_under_pointer (window,
- &x, &y);
+ pointer_widget = tooltip_widget = _gtk_widget_find_at_coords (window,
+ x, y,
+ &x, &y);
}
if (!tooltip_widget)