Author: Carl Friedrich Bolz <[email protected]>
Branch:
Changeset: r69058:b23c7d2fbe5b
Date: 2014-02-03 11:45 +0100
http://bitbucket.org/pypy/pypy/changeset/b23c7d2fbe5b/
Log: support the scroll wheel (and the fany all-direction scrolling)
diff --git a/dotviewer/graphdisplay.py b/dotviewer/graphdisplay.py
--- a/dotviewer/graphdisplay.py
+++ b/dotviewer/graphdisplay.py
@@ -613,6 +613,19 @@
def process_MouseButtonUp(self, event):
self.dragging = None
pygame.event.set_grab(False)
+ # handle directional scrolling
+ if event.button == 4:
+ self.pan((0, -1))
+ return
+ if event.button == 5:
+ self.pan((0, 1))
+ return
+ if event.button == 6:
+ self.pan((-1, 0))
+ return
+ if event.button == 7:
+ self.pan((1, 0))
+ return
if self.click_time is not None and abs(time.time() - self.click_time)
< 1:
# click (no significant dragging)
self.notifyclick(self.click_origin)
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