diff options
| author | Walter Bender <walter.bender@gmail.com> | 2013-02-22 19:57:34 (GMT) |
|---|---|---|
| committer | Walter Bender <walter.bender@gmail.com> | 2013-02-22 19:57:34 (GMT) |
| commit | 2ca3c1f4f674054da054548776e0ae27e90487b7 (patch) | |
| tree | d90ca6a2d6e5f3a22e1453ed0a4a7ec8c27d9220 | |
| parent | c66a597464db2d07ffaeb7856f34d4533ea14a18 (diff) | |
buffer mouse moves when dragging so as not to outpace GTK
| -rw-r--r-- | TurtleArt/tawindow.py | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/TurtleArt/tawindow.py b/TurtleArt/tawindow.py index f6df191..ccaaec2 100644 --- a/TurtleArt/tawindow.py +++ b/TurtleArt/tawindow.py @@ -1250,8 +1250,11 @@ before making changes to your Turtle Blocks program')) self.dragging_canvas[2] = y if spr is None: if not self.running_blocks and not self.hw in ( - XO1, XO15, XO175, XO4): + XO1, XO15, XO175, XO30): self.dragging_canvas[0] = True + self.dragging_counter = 0 + self.dragging_dx = 0 + self.dragging_dy = 0 return True self.dragging_canvas[0] = False self.selected_spr = spr @@ -2133,11 +2136,18 @@ before making changes to your Turtle Blocks program')) ''' Process mouse movements ''' if self.running_sugar and self.dragging_canvas[0]: - dx = self.dragging_canvas[1] - x - dy = self.dragging_canvas[2] - y - self.dragging_canvas[1] = x - self.dragging_canvas[2] = y - self.activity.adjust_sw(dx, dy) + # Don't adjust with each mouse move or GTK cannot keep pace. + if self.dragging_counter < 10: + self.dragging_dx += self.dragging_canvas[1] - x + self.dragging_dy += self.dragging_canvas[2] - y + self.dragging_canvas[1] = x + self.dragging_canvas[2] = y + self.dragging_counter += 1 + else: + self.activity.adjust_sw(self.dragging_dx, self.dragging_dy) + self.dragging_counter = 0 + self.dragging_dx = 0 + self.dragging_dy = 0 return True self.block_operation = 'move' @@ -2309,6 +2319,11 @@ before making changes to your Turtle Blocks program')) def button_release(self, x, y): if self.running_sugar and self.dragging_canvas[0]: + if self.dragging_counter > 0: + self.activity.adjust_sw(self.dragging_dx, self.dragging_dy) + self.dragging_counter = 0 + self.dragging_dx = 0 + self.dragging_dy = 0 self.dragging_canvas[0] = False self.dragging_canvas[1] = x self.dragging_canvas[2] = y |