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bpo-33679: IDLE: Re-enable color configuration for code context (GH-7199)
The difference from before is that the settings are now on the Highlights tab instead of the Extensions tab and only change one theme at a time instead of all themes. The default for light themes is black on light gray, as before. The default for the IDLE Dark theme is white on dark gray, which better fits the dark theme. When one starts IDLE from a console and loads a custom theme without definitions for 'context', one will see a warning message on the console. To stop the warning, go to Options => Configure IDLE => Highlights, select the custom theme if not selected already, select 'Code Context', and select foreground and background colors.
This commit is contained in:
Cheryl Sabella
Terry Jan Reedy
parent
63799136e6
commit
de6516264e
6 changed files with 79 additions and 35 deletions
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@ -20,7 +20,7 @@
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BLOCKOPENERS = {"class", "def", "elif", "else", "except", "finally", "for",
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"if", "try", "while", "with", "async"}
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UPDATEINTERVAL = 100 # millisec
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FONTUPDATEINTERVAL = 1000 # millisec
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CONFIGUPDATEINTERVAL = 1000 # millisec
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def get_spaces_firstword(codeline, c=re.compile(r"^(\s*)(\w*)")):
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@ -45,9 +45,6 @@ def get_line_info(codeline):
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class CodeContext:
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"Display block context above the edit window."
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bgcolor = "LightGray"
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fgcolor = "Black"
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def __init__(self, editwin):
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"""Initialize settings for context block.
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@ -69,22 +66,20 @@ def __init__(self, editwin):
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self.editwin = editwin
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self.text = editwin.text
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self.textfont = self.text["font"]
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self.contextcolors = CodeContext.colors
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self.label = None
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self.topvisible = 1
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self.info = [(0, -1, "", False)]
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# Start two update cycles, one for context lines, one for font changes.
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self.t1 = self.text.after(UPDATEINTERVAL, self.timer_event)
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self.t2 = self.text.after(FONTUPDATEINTERVAL, self.font_timer_event)
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self.t2 = self.text.after(CONFIGUPDATEINTERVAL, self.config_timer_event)
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@classmethod
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def reload(cls):
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"Load class variables from config."
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cls.context_depth = idleConf.GetOption("extensions", "CodeContext",
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"maxlines", type="int", default=15)
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## cls.bgcolor = idleConf.GetOption("extensions", "CodeContext",
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## "bgcolor", type="str", default="LightGray")
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## cls.fgcolor = idleConf.GetOption("extensions", "CodeContext",
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## "fgcolor", type="str", default="Black")
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cls.colors = idleConf.GetHighlight(idleConf.CurrentTheme(), 'context')
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def __del__(self):
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"Cancel scheduled events."
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@ -118,7 +113,8 @@ def toggle_code_context_event(self, event=None):
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self.label = tkinter.Label(
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self.editwin.top, text="",
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anchor=W, justify=LEFT, font=self.textfont,
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bg=self.bgcolor, fg=self.fgcolor,
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bg=self.contextcolors['background'],
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fg=self.contextcolors['foreground'],
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width=1, # Don't request more than we get.
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padx=padx, border=border, relief=SUNKEN)
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# Pack the label widget before and above the text_frame widget,
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@ -202,13 +198,17 @@ def timer_event(self):
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self.update_code_context()
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self.t1 = self.text.after(UPDATEINTERVAL, self.timer_event)
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def font_timer_event(self):
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"Event on editor text widget triggered every FONTUPDATEINTERVAL ms."
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def config_timer_event(self):
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"Event on editor text widget triggered every CONFIGUPDATEINTERVAL ms."
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newtextfont = self.text["font"]
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if self.label and newtextfont != self.textfont:
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if (self.label and (newtextfont != self.textfont or
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CodeContext.colors != self.contextcolors)):
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self.textfont = newtextfont
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self.contextcolors = CodeContext.colors
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self.label["font"] = self.textfont
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self.t2 = self.text.after(FONTUPDATEINTERVAL, self.font_timer_event)
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self.label['background'] = self.contextcolors['background']
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self.label['foreground'] = self.contextcolors['foreground']
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self.t2 = self.text.after(CONFIGUPDATEINTERVAL, self.config_timer_event)
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CodeContext.reload()
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@ -31,6 +31,8 @@ stderr-foreground= red
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stderr-background= #ffffff
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console-foreground= #770000
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console-background= #ffffff
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context-foreground= #000000
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context-background= lightgray
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[IDLE New]
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normal-foreground= #000000
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@ -62,6 +64,8 @@ stderr-foreground= red
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stderr-background= #ffffff
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console-foreground= #770000
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console-background= #ffffff
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context-foreground= #000000
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context-background= lightgray
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[IDLE Dark]
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comment-foreground = #dd0000
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@ -91,3 +95,5 @@ stdout-background = #002240
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hit-foreground = #002240
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comment-background = #002240
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break-foreground = #FFFFFF
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context-foreground= #ffffff
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context-background= #454545
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@ -360,6 +360,8 @@ def GetThemeDict(self, type, themeName):
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'stderr-background':'#ffffff',
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'console-foreground':'#000000',
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'console-background':'#ffffff',
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'context-foreground':'#000000',
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'context-background':'#ffffff',
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}
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for element in theme:
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if not cfgParser.has_option(themeName, element):
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@ -799,19 +799,20 @@ def create_page_highlight(self):
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"""
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self.theme_elements = {
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'Normal Text': ('normal', '00'),
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'Python Keywords': ('keyword', '01'),
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'Python Definitions': ('definition', '02'),
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'Python Builtins': ('builtin', '03'),
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'Python Comments': ('comment', '04'),
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'Python Strings': ('string', '05'),
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'Selected Text': ('hilite', '06'),
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'Found Text': ('hit', '07'),
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'Cursor': ('cursor', '08'),
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'Editor Breakpoint': ('break', '09'),
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'Shell Normal Text': ('console', '10'),
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'Shell Error Text': ('error', '11'),
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'Shell Stdout Text': ('stdout', '12'),
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'Shell Stderr Text': ('stderr', '13'),
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'Code Context': ('context', '01'),
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'Python Keywords': ('keyword', '02'),
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'Python Definitions': ('definition', '03'),
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'Python Builtins': ('builtin', '04'),
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'Python Comments': ('comment', '05'),
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'Python Strings': ('string', '06'),
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'Selected Text': ('hilite', '07'),
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'Found Text': ('hit', '08'),
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'Cursor': ('cursor', '09'),
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'Editor Breakpoint': ('break', '10'),
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'Shell Normal Text': ('console', '11'),
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'Shell Error Text': ('error', '12'),
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'Shell Stdout Text': ('stdout', '13'),
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'Shell Stderr Text': ('stderr', '14'),
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}
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self.builtin_name = tracers.add(
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StringVar(self), self.var_changed_builtin_name)
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@ -842,6 +843,7 @@ def create_page_highlight(self):
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('\n', 'normal'),
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('#you can click here', 'comment'), ('\n', 'normal'),
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('#to choose items', 'comment'), ('\n', 'normal'),
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('code context section', 'context'), ('\n\n', 'normal'),
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('def', 'keyword'), (' ', 'normal'),
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('func', 'definition'), ('(param):\n ', 'normal'),
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('"""string"""', 'string'), ('\n var0 = ', 'normal'),
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@ -110,6 +110,8 @@ def test_del(self):
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def test_reload(self):
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codecontext.CodeContext.reload()
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self.assertEqual(self.cc.colors, {'background': 'lightgray',
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'foreground': '#000000'})
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self.assertEqual(self.cc.context_depth, 15)
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def test_toggle_code_context_event(self):
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@ -125,8 +127,8 @@ def test_toggle_code_context_event(self):
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eq(toggle(), 'break')
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self.assertIsNotNone(cc.label)
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eq(cc.label['font'], cc.textfont)
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eq(cc.label['fg'], cc.fgcolor)
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eq(cc.label['bg'], cc.bgcolor)
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eq(cc.label['fg'], cc.colors['foreground'])
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eq(cc.label['bg'], cc.colors['background'])
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eq(cc.label['text'], '')
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# Toggle off.
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@ -275,11 +277,13 @@ def test_timer_event(self, mock_update):
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self.cc.timer_event()
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mock_update.assert_called()
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def test_font_timer_event(self):
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def test_config_timer_event(self):
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eq = self.assertEqual
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cc = self.cc
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save_font = cc.text['font']
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save_colors = codecontext.CodeContext.colors
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test_font = 'FakeFont'
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test_colors = {'background': '#222222', 'foreground': '#ffff00'}
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# Ensure code context is not active.
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if cc.label:
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@ -287,24 +291,42 @@ def test_font_timer_event(self):
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# Nothing updates on inactive code context.
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cc.text['font'] = test_font
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cc.font_timer_event()
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codecontext.CodeContext.colors = test_colors
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cc.config_timer_event()
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eq(cc.textfont, save_font)
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eq(cc.contextcolors, save_colors)
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# Activate code context, but no change to font.
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# Activate code context, but no change to font or color.
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cc.toggle_code_context_event()
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cc.text['font'] = save_font
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cc.font_timer_event()
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codecontext.CodeContext.colors = save_colors
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cc.config_timer_event()
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eq(cc.textfont, save_font)
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eq(cc.contextcolors, save_colors)
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eq(cc.label['font'], save_font)
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eq(cc.label['background'], save_colors['background'])
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eq(cc.label['foreground'], save_colors['foreground'])
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# Active code context, change font.
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cc.text['font'] = test_font
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cc.font_timer_event()
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cc.config_timer_event()
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eq(cc.textfont, test_font)
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eq(cc.contextcolors, save_colors)
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eq(cc.label['font'], test_font)
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eq(cc.label['background'], save_colors['background'])
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eq(cc.label['foreground'], save_colors['foreground'])
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# Active code context, change color.
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cc.text['font'] = save_font
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cc.font_timer_event()
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codecontext.CodeContext.colors = test_colors
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cc.config_timer_event()
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eq(cc.textfont, save_font)
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eq(cc.contextcolors, test_colors)
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eq(cc.label['font'], save_font)
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eq(cc.label['background'], test_colors['background'])
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eq(cc.label['foreground'], test_colors['foreground'])
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codecontext.CodeContext.colors = save_colors
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cc.config_timer_event()
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class HelperFunctionText(unittest.TestCase):
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@ -0,0 +1,12 @@
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IDLE: Re-enable color configuration for Code Context.
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The difference from before is that the settings are now on the
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Highlights tab instead of the Extensions tab and only change one theme
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at a time instead of all themes. The default for light themes is black
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on light gray, as before. The default for the IDLE Dark theme is white
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on dark gray, which better fits the dark theme.
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When one starts IDLE from a console and loads a custom theme without
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definitions for 'context', one will see a warning message on the console.
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To stop the warning, go to Options => Configure IDLE => Highlights,
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select the custom theme if not selected already, select 'Code Context',
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and select foreground and background colors.
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