fix in RectSelector

2011-09-20 11:49:24 +00:00 · 2011-09-20 11:49:24 +00:00 · cd9d695f9d
commit cd9d695f9d
parent 5ed65979c1
1 changed files with 3 additions and 2 deletions
--- a/samples/python2/common.py
+++ b/samples/python2/common.py
@ -139,10 +139,11 @@ class RectSelector:
                if x1-x0 > 0 and y1-y0 > 0:
                    self.drag_rect = (x0, y0, x1, y1)
            else:
-                if self.drag_rect:
-                    self.callback(self.drag_rect)
+                rect = self.drag_rect
                self.drag_start = None
                self.drag_rect = None
+                if rect:
+                    self.callback(rect)
    def draw(self, vis):
        if not self.drag_rect:
            return