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Commitea8835f

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bpo-34047: IDLE: fix mousewheel scrolling direction on macOS (GH-8678)
(cherry picked from commit077059e)Co-authored-by: Tal Einat <taleinat+github@gmail.com>
1 parent5641081 commitea8835f

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2 files changed

+18
-6
lines changed

2 files changed

+18
-6
lines changed

‎Lib/idlelib/editor.py‎

Lines changed: 17 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -457,12 +457,19 @@ def handle_yview(self, event, *args):
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return'break'
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defmousescroll(self,event):
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"Handle scroll wheel."
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up= {EventType.MouseWheel:event.delta>=0==darwin,
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"""Handle scrollwheel event.
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For wheel up, event.delta = 120*n on Windows, -1*n on darwin,
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where n can be > 1 if one scrolls fast. Flicking the wheel
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generates up to maybe 20 events with n up to 10 or more 1.
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Macs use wheel down (delta = 1*n) to scroll up, so positive
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delta means to scroll up on both systems.
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X-11 sends Control-Button-4 event instead.
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"""
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up= {EventType.MouseWheel:event.delta>0,
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EventType.Button:event.num==4}
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lines=5
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ifup[event.type]:
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lines=-lines
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lines=-5ifup[event.type]else5
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self.text.yview_scroll(lines,'units')
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return'break'
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@@ -1701,7 +1708,11 @@ def _editor_window(parent): # htest #
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filename=None
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macosx.setupApp(root,None)
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edit=EditorWindow(root=root,filename=filename)
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edit.text.bind("<<close-all-windows>>",edit.close_event)
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text=edit.text
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text['height']=10
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foriinrange(20):
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text.insert('insert',' '*i+str(i)+'\n')
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# text.bind("<<close-all-windows>>", edit.close_event)
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# Does not stop error, neither does following
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# edit.text.bind("<<close-window>>", edit.close_event)
17071718

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1 @@
1+
Fixed mousewheel scrolling direction on macOS.

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