Ticket #3999: drag.patch

src/sugar3/graphics/palettewindow.py

@@ -1326 +1326 @@
         self._release_hid = None
         self._long_pressed_hid = None
         self.path = None
+        self._dragging = False
 
         self._long_pressed_controller = SugarGestures.LongPressController()
 
@@ -1333 +1334 @@
         self._tree_view = tree_view
         self._cell_renderer = cell_renderer
 
+        tree_view.connect('button-press-event', self.__button_press_cb)
+        tree_view.connect('drag-end', self.__drag_end_cb)
+
         self._motion_hid = tree_view.connect('motion-notify-event',
                                              self.__motion_notify_event_cb)
         self._leave_hid = tree_view.connect('leave-notify-event',
@@ -1373 +1377 @@
 
         return rect
 
+    def __button_press_cb(self, widget, event):
+        if event.button == 1:
+            self._dragging = True
+            if self.palette is not None:
+                self.palette.popdown(immediate=True)
+
+    def __drag_end_cb(self, widget, context):
+        self._dragging = False
+
     def __motion_notify_event_cb(self, widget, event):
         if event.window != widget.get_bin_window():
             return
+
+        if self._dragging:
+            return
+
         if self.point_in_cell_renderer(event.x, event.y):
 
             tree_view = self._tree_view
@@ -1422 +1439 @@
         return False
 
     def __button_release_event_cb(self, widget, event):
+        self._dragging = False
         if event.button == 1 and self.point_in_cell_renderer(event.x,
             event.y):
             tree_view = self._tree_view
@@ -1438 +1456 @@
             return False
 
     def __long_pressed_event_cb(self, controller, x, y, widget):
+        if self._dragging:
+            return
+
         if self.point_in_cell_renderer(x, y):
             self.notify_right_click()