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bpo-33679: IDLE: Re-enable color configuration for code context (GH-7199)

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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 2018-06-01 21:45:54 -04:00 • committed by Terry Jan Reedy
parent 63799136e6
commit de6516264e
6 changed files with 79 additions and 35 deletions
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38
Lib/idlelib/idle_test/test_codecontext.py
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@ -110,6 +110,8 @@ class CodeContextTest(unittest.TestCase):
def test_reload(self):
codecontext.CodeContext.reload()
self.assertEqual(self.cc.colors, {'background': 'lightgray',
'foreground': '#000000'})
self.assertEqual(self.cc.context_depth, 15)
def test_toggle_code_context_event(self):
@ -125,8 +127,8 @@ class CodeContextTest(unittest.TestCase):
eq(toggle(), 'break')
self.assertIsNotNone(cc.label)
eq(cc.label['font'], cc.textfont)
eq(cc.label['fg'], cc.fgcolor)
eq(cc.label['bg'], cc.bgcolor)
eq(cc.label['fg'], cc.colors['foreground'])
eq(cc.label['bg'], cc.colors['background'])
eq(cc.label['text'], '')
# Toggle off.
@ -275,11 +277,13 @@ class CodeContextTest(unittest.TestCase):
self.cc.timer_event()
mock_update.assert_called()
def test_font_timer_event(self):
def test_config_timer_event(self):
eq = self.assertEqual
cc = self.cc
save_font = cc.text['font']
save_colors = codecontext.CodeContext.colors
test_font = 'FakeFont'
test_colors = {'background': '#222222', 'foreground': '#ffff00'}
# Ensure code context is not active.
if cc.label:
@ -287,24 +291,42 @@ class CodeContextTest(unittest.TestCase):
# Nothing updates on inactive code context.
cc.text['font'] = test_font
cc.font_timer_event()
codecontext.CodeContext.colors = test_colors
cc.config_timer_event()
eq(cc.textfont, save_font)
eq(cc.contextcolors, save_colors)
# Activate code context, but no change to font.
# Activate code context, but no change to font or color.
cc.toggle_code_context_event()
cc.text['font'] = save_font
cc.font_timer_event()
codecontext.CodeContext.colors = save_colors
cc.config_timer_event()
eq(cc.textfont, save_font)
eq(cc.contextcolors, save_colors)
eq(cc.label['font'], save_font)
eq(cc.label['background'], save_colors['background'])
eq(cc.label['foreground'], save_colors['foreground'])
# Active code context, change font.
cc.text['font'] = test_font
cc.font_timer_event()
cc.config_timer_event()
eq(cc.textfont, test_font)
eq(cc.contextcolors, save_colors)
eq(cc.label['font'], test_font)
eq(cc.label['background'], save_colors['background'])
eq(cc.label['foreground'], save_colors['foreground'])
# Active code context, change color.
cc.text['font'] = save_font
cc.font_timer_event()
codecontext.CodeContext.colors = test_colors
cc.config_timer_event()
eq(cc.textfont, save_font)
eq(cc.contextcolors, test_colors)
eq(cc.label['font'], save_font)
eq(cc.label['background'], test_colors['background'])
eq(cc.label['foreground'], test_colors['foreground'])
codecontext.CodeContext.colors = save_colors
cc.config_timer_event()
class HelperFunctionText(unittest.TestCase):