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Fix SF bug # 602259, 3rd parameter for Tkinter.scan_dragto

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Add the optional gain parameter and pass it to Tk.
This commit is contained in:
Neal Norwitz 2003-01-10 23:24:32 +00:00
parent faa7b9bb4c
commit e931ed59d3
2 changed files with 6 additions and 3 deletions
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6
Lib/lib-tk/Tkinter.py
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@ -2139,11 +2139,11 @@ class Canvas(Widget):
def scan_mark(self, x, y):
"""Remember the current X, Y coordinates."""
self.tk.call(self._w, 'scan', 'mark', x, y)
def scan_dragto(self, x, y):
"""Adjust the view of the canvas to 10 times the
def scan_dragto(self, x, y, gain=10):
"""Adjust the view of the canvas to GAIN times the
difference between X and Y and the coordinates given in
scan_mark."""
self.tk.call(self._w, 'scan', 'dragto', x, y)
self.tk.call(self._w, 'scan', 'dragto', x, y, gain)
def select_adjust(self, tagOrId, index):
"""Adjust the end of the selection near the cursor of an item TAGORID to index."""
self.tk.call(self._w, 'select', 'adjust', tagOrId, index)