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Issue #22115: Added methods trace_add, trace_remove and trace_info in the

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tkinter.Variable class.  They replace old methods trace_variable, trace,
trace_vdelete and trace_vinfo that use obsolete Tcl commands and might
not work in future versions of Tcl.
This commit is contained in:
Serhiy Storchaka 2016-06-26 09:46:57 +03:00
parent 523ccd135c
commit 8122174af1
5 changed files with 219 additions and 35 deletions
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38
Lib/idlelib/configdialog.py
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@ -465,24 +465,24 @@ class ConfigDialog(Toplevel):
return frame
def AttachVarCallbacks(self):
self.fontSize.trace_variable('w', self.VarChanged_font)
self.fontName.trace_variable('w', self.VarChanged_font)
self.fontBold.trace_variable('w', self.VarChanged_font)
self.spaceNum.trace_variable('w', self.VarChanged_spaceNum)
self.colour.trace_variable('w', self.VarChanged_colour)
self.builtinTheme.trace_variable('w', self.VarChanged_builtinTheme)
self.customTheme.trace_variable('w', self.VarChanged_customTheme)
self.themeIsBuiltin.trace_variable('w', self.VarChanged_themeIsBuiltin)
self.highlightTarget.trace_variable('w', self.VarChanged_highlightTarget)
self.keyBinding.trace_variable('w', self.VarChanged_keyBinding)
self.builtinKeys.trace_variable('w', self.VarChanged_builtinKeys)
self.customKeys.trace_variable('w', self.VarChanged_customKeys)
self.keysAreBuiltin.trace_variable('w', self.VarChanged_keysAreBuiltin)
self.winWidth.trace_variable('w', self.VarChanged_winWidth)
self.winHeight.trace_variable('w', self.VarChanged_winHeight)
self.startupEdit.trace_variable('w', self.VarChanged_startupEdit)
self.autoSave.trace_variable('w', self.VarChanged_autoSave)
self.encoding.trace_variable('w', self.VarChanged_encoding)
self.fontSize.trace_add('write', self.VarChanged_font)
self.fontName.trace_add('write', self.VarChanged_font)
self.fontBold.trace_add('write', self.VarChanged_font)
self.spaceNum.trace_add('write', self.VarChanged_spaceNum)
self.colour.trace_add('write', self.VarChanged_colour)
self.builtinTheme.trace_add('write', self.VarChanged_builtinTheme)
self.customTheme.trace_add('write', self.VarChanged_customTheme)
self.themeIsBuiltin.trace_add('write', self.VarChanged_themeIsBuiltin)
self.highlightTarget.trace_add('write', self.VarChanged_highlightTarget)
self.keyBinding.trace_add('write', self.VarChanged_keyBinding)
self.builtinKeys.trace_add('write', self.VarChanged_builtinKeys)
self.customKeys.trace_add('write', self.VarChanged_customKeys)
self.keysAreBuiltin.trace_add('write', self.VarChanged_keysAreBuiltin)
self.winWidth.trace_add('write', self.VarChanged_winWidth)
self.winHeight.trace_add('write', self.VarChanged_winHeight)
self.startupEdit.trace_add('write', self.VarChanged_startupEdit)
self.autoSave.trace_add('write', self.VarChanged_autoSave)
self.encoding.trace_add('write', self.VarChanged_encoding)
def remove_var_callbacks(self):
"Remove callbacks to prevent memory leaks."
@ -493,7 +493,7 @@ class ConfigDialog(Toplevel):
self.keyBinding, self.builtinKeys, self.customKeys,
self.keysAreBuiltin, self.winWidth, self.winHeight,
self.startupEdit, self.autoSave, self.encoding,):
var.trace_vdelete('w', var.trace_vinfo()[0][1])
var.trace_remove('write', var.trace_info()[0][1])
def VarChanged_font(self, *params):
'''When one font attribute changes, save them all, as they are