import unittest
import sys
import tkinter
from tkinter import ttk
from tkinter import TclError
from test import support
from test.support import requires
from test.test_tkinter.support import AbstractTkTest, get_tk_patchlevel
requires('gui')
CLASS_NAMES = [
'.', 'ComboboxPopdownFrame', 'Heading',
'Horizontal.TProgressbar', 'Horizontal.TScale', 'Item', 'Sash',
'TButton', 'TCheckbutton', 'TCombobox', 'TEntry',
'TLabelframe', 'TLabelframe.Label', 'TMenubutton',
'TNotebook', 'TNotebook.Tab', 'Toolbutton', 'TProgressbar',
'TRadiobutton', 'Treeview', 'TScale', 'TScrollbar', 'TSpinbox',
'Vertical.TProgressbar', 'Vertical.TScale'
]
class StyleTest(AbstractTkTest, unittest.TestCase):
def setUp(self):
super().setUp()
self.style = ttk.Style(self.root)
def test_configure(self):
style = self.style
style.configure('TButton', background='yellow')
self.assertEqual(style.configure('TButton', 'background'),
'yellow')
self.assertIsInstance(style.configure('TButton'), dict)
def test_map(self):
style = self.style
# Single state
for states in ['active'], [('active',)]:
with self.subTest(states=states):
style.map('TButton', background=[(*states, 'white')])
expected = [('active', 'white')]
self.assertEqual(style.map('TButton', 'background'), expected)
m = style.map('TButton')
self.assertIsInstance(m, dict)
self.assertEqual(m['background'], expected)
# Multiple states
for states in ['pressed', '!disabled'], ['pressed !disabled'], [('pressed', '!disabled')]:
with self.subTest(states=states):
style.map('TButton', background=[(*states, 'black')])
expected = [('pressed', '!disabled', 'black')]
self.assertEqual(style.map('TButton', 'background'), expected)
m = style.map('TButton')
self.assertIsInstance(m, dict)
self.assertEqual(m['background'], expected)
# Default state
for states in [], [''], [()]:
with self.subTest(states=states):
style.map('TButton', background=[(*states, 'grey')])
expected = [('grey',)]
self.assertEqual(style.map('TButton', 'background'), expected)
m = style.map('TButton')
self.assertIsInstance(m, dict)
self.assertEqual(m['background'], expected)
def test_lookup(self):
style = self.style
style.configure('TButton', background='yellow')
style.map('TButton', background=[('active', 'background', 'blue')])
self.assertEqual(style.lookup('TButton', 'background'), 'yellow')
self.assertEqual(style.lookup('TButton', 'background',
['active', 'background']), 'blue')
self.assertEqual(style.lookup('TButton', 'optionnotdefined',
default='iknewit'), 'iknewit')
def test_layout(self):
style = self.style
self.assertRaises(tkinter.TclError, style.layout, 'NotALayout')
tv_style = style.layout('Treeview')
# "erase" Treeview layout
style.layout('Treeview', '')
self.assertEqual(style.layout('Treeview'),
[('null', {'sticky': 'nswe'})]
)
# restore layout
style.layout('Treeview', tv_style)
self.assertEqual(style.layout('Treeview'), tv_style)
# should return a list
self.assertIsInstance(style.layout('TButton'), list)
# correct layout, but "option" doesn't exist as option
self.assertRaises(tkinter.TclError, style.layout, 'Treeview',
[('name', {'option': 'inexistent'})])
def test_theme_use(self):
self.assertRaises(tkinter.TclError, self.style.theme_use,
'nonexistingname')
curr_theme = self.style.theme_use()
new_theme = None
for theme in self.style.theme_names():
if theme != curr_theme:
new_theme = theme
self.style.theme_use(theme)
break
else:
# just one theme available, can't go on with tests
return
self.assertFalse(curr_theme == new_theme)
self.assertFalse(new_theme != self.style.theme_use())
self.style.theme_use(curr_theme)
def test_configure_custom_copy(self):
style = self.style
curr_theme = self.style.theme_use()
self.addCleanup(self.style.theme_use, curr_theme)
for theme in self.style.theme_names():
self.style.theme_use(theme)
for name in CLASS_NAMES:
default = style.configure(name)
if not default:
continue
with self.subTest(theme=theme, name=name):
if support.verbose >= 2:
print('configure', theme, name, default)
if (theme in ('vista', 'xpnative')
and sys.getwindowsversion()[:2] == (6, 1)):
# Fails on the Windows 7 buildbot
continue
newname = f'C.{name}'
self.assertEqual(style.configure(newname), None)
style.configure(newname, **default)
self.assertEqual(style.configure(newname), default)
for key, value in default.items():
self.assertEqual(style.configure(newname, key), value)
def test_map_custom_copy(self):
style = self.style
curr_theme = self.style.theme_use()
self.addCleanup(self.style.theme_use, curr_theme)
for theme in self.style.theme_names():
self.style.theme_use(theme)
for name in CLASS_NAMES:
default = style.map(name)
if not default:
continue
with self.subTest(theme=theme, name=name):
if support.verbose >= 2:
print('map', theme, name, default)
if (theme in ('vista', 'xpnative')
and sys.getwindowsversion()[:2] == (6, 1)):
# Fails on the Windows 7 buildbot
continue
newname = f'C.{name}'
self.assertEqual(style.map(newname), {})
style.map(newname, **default)
if theme == 'alt' and name == '.' and get_tk_patchlevel(self.root) < (8, 6, 1):
default['embossed'] = [('disabled', '1')]
self.assertEqual(style.map(newname), default)
for key, value in default.items():
self.assertEqual(style.map(newname, key), value)
def test_element_options(self):
style = self.style
element_names = style.element_names()
self.assertNotIsInstance(element_names, str)
for name in element_names:
self.assertIsInstance(name, str)
element_options = style.element_options(name)
self.assertNotIsInstance(element_options, str)
for optname in element_options:
self.assertIsInstance(optname, str)
def test_element_create_errors(self):
style = self.style
with self.assertRaises(TypeError):
style.element_create('plain.newelem')
with self.assertRaisesRegex(TclError, 'No such element type spam'):
style.element_create('plain.newelem', 'spam')
def test_element_create_from(self):
style = self.style
style.element_create('plain.background', 'from', 'default')
self.assertIn('plain.background', style.element_names())
style.element_create('plain.arrow', 'from', 'default', 'rightarrow')
self.assertIn('plain.arrow', style.element_names())
def test_element_create_from_errors(self):
style = self.style
with self.assertRaises(IndexError):
style.element_create('plain.newelem', 'from')
with self.assertRaisesRegex(TclError, 'theme "spam" doesn\'t exist'):
style.element_create('plain.newelem', 'from', 'spam')
def test_element_create_image(self):
style = self.style
image = tkinter.PhotoImage(master=self.root, width=12, height=10)
style.element_create('block', 'image', image)
self.assertIn('block', style.element_names())
style.layout('TestLabel1', [('block', {'sticky': 'news'})])
a = ttk.Label(self.root, style='TestLabel1')
a.pack(expand=True, fill='both')
self.assertEqual(a.winfo_reqwidth(), 12)
self.assertEqual(a.winfo_reqheight(), 10)
imgfile = support.findfile('python.xbm', subdir='tkinterdata')
img1 = tkinter.BitmapImage(master=self.root, file=imgfile,
foreground='yellow', background='blue')
img2 = tkinter.BitmapImage(master=self.root, file=imgfile,
foreground='blue', background='yellow')
img3 = tkinter.BitmapImage(master=self.root, file=imgfile,
foreground='white', background='black')
style.element_create('Button.button', 'image',
img1, ('pressed', img2), ('active', img3),
border=(2, 4), sticky='we')
self.assertIn('Button.button', style.element_names())
style.layout('Button', [('Button.button', {'sticky': 'news'})])
b = ttk.Button(self.root, style='Button')
b.pack(expand=True, fill='both')
self.assertEqual(b.winfo_reqwidth(), 16)
self.assertEqual(b.winfo_reqheight(), 16)
def test_element_create_image_errors(self):
style = self.style
image = tkinter.PhotoImage(master=self.root, width=10, height=10)
with self.assertRaises(IndexError):
style.element_create('block2', 'image')
with self.assertRaises(TypeError):
style.element_create('block2', 'image', image, 1)
with self.assertRaises(ValueError):
style.element_create('block2', 'image', image, ())
with self.assertRaisesRegex(TclError, 'Invalid state name'):
style.element_create('block2', 'image', image, ('spam', image))
with self.assertRaisesRegex(TclError, 'Invalid state name'):
style.element_create('block2', 'image', image, (1, image))
with self.assertRaises(TypeError):
style.element_create('block2', 'image', image, ('pressed', 1, image))
with self.assertRaises(TypeError):
style.element_create('block2', 'image', image, (1, 'selected', image))
with self.assertRaisesRegex(TclError, 'bad option'):
style.element_create('block2', 'image', image, spam=1)
def test_element_create_vsapi_1(self):
style = self.style
if 'xpnative' not in style.theme_names():
self.skipTest("requires 'xpnative' theme")
style.element_create('smallclose', 'vsapi', 'WINDOW', 19, [
('disabled', 4),
('pressed', 3),
('active', 2),
('', 1)])
style.layout('CloseButton',
[('CloseButton.smallclose', {'sticky': 'news'})])
b = ttk.Button(self.root, style='CloseButton')
b.pack(expand=True, fill='both')
self.assertEqual(b.winfo_reqwidth(), 13)
self.assertEqual(b.winfo_reqheight(), 13)
def test_element_create_vsapi_2(self):
style = self.style
if 'xpnative' not in style.theme_names():
self.skipTest("requires 'xpnative' theme")
style.element_create('pin', 'vsapi', 'EXPLORERBAR', 3, [
('pressed', '!selected', 3),
('active', '!selected', 2),
('pressed', 'selected', 6),
('active', 'selected', 5),
('selected', 4),
('', 1)])
style.layout('Explorer.Pin',
[('Explorer.Pin.pin', {'sticky': 'news'})])
pin = ttk.Checkbutton(self.root, style='Explorer.Pin')
pin.pack(expand=True, fill='both')
self.assertEqual(pin.winfo_reqwidth(), 16)
self.assertEqual(pin.winfo_reqheight(), 16)
def test_element_create_vsapi_3(self):
style = self.style
if 'xpnative' not in style.theme_names():
self.skipTest("requires 'xpnative' theme")
style.element_create('headerclose', 'vsapi', 'EXPLORERBAR', 2, [
('pressed', 3),
('active', 2),
('', 1)])
style.layout('Explorer.CloseButton',
[('Explorer.CloseButton.headerclose', {'sticky': 'news'})])
b = ttk.Button(self.root, style='Explorer.CloseButton')
b.pack(expand=True, fill='both')
self.assertEqual(b.winfo_reqwidth(), 16)
self.assertEqual(b.winfo_reqheight(), 16)
def test_theme_create(self):
style = self.style
curr_theme = style.theme_use()
curr_layout = style.layout('TLabel')
style.theme_create('testtheme1')
self.assertIn('testtheme1', style.theme_names())
style.theme_create('testtheme2', settings={
'elem' : {'element create': ['from', 'default'],},
'TLabel' : {
'configure': {'padding': 10},
'layout': [('elem', {'sticky': 'we'})],
},
})
self.assertIn('testtheme2', style.theme_names())
style.theme_create('testtheme3', 'testtheme2')
self.assertIn('testtheme3', style.theme_names())
style.theme_use('testtheme1')
self.assertEqual(style.element_names(), ())
self.assertEqual(style.layout('TLabel'), curr_layout)
style.theme_use('testtheme2')
self.assertEqual(style.element_names(), ('elem',))
self.assertEqual(style.lookup('TLabel', 'padding'), '10')
self.assertEqual(style.layout('TLabel'), [('elem', {'sticky': 'we'})])
style.theme_use('testtheme3')
self.assertEqual(style.element_names(), ())
self.assertEqual(style.lookup('TLabel', 'padding'), '')
self.assertEqual(style.layout('TLabel'), [('elem', {'sticky': 'we'})])
style.theme_use(curr_theme)
def test_theme_create_image(self):
style = self.style
curr_theme = style.theme_use()
image = tkinter.PhotoImage(master=self.root, width=10, height=10)
new_theme = 'testtheme4'
style.theme_create(new_theme, settings={
'block' : {
'element create': ['image', image, {'width': 120, 'height': 100}],
},
'TestWidget.block2' : {
'element create': ['image', image],
},
'TestWidget' : {
'configure': {
'anchor': 'left',
'padding': (3, 0, 0, 2),
'foreground': 'yellow',
},
'map': {
'foreground': [
('pressed', 'red'),
('active', 'disabled', 'blue'),
],
},
'layout': [
('TestWidget.block', {'sticky': 'we', 'side': 'left'}),
('TestWidget.border', {
'sticky': 'nsw',
'border': 1,
'children': [
('TestWidget.block2', {'sticky': 'nswe'})
]
})
],
},
})
style.theme_use(new_theme)
self.assertIn('block', style.element_names())
self.assertEqual(style.lookup('TestWidget', 'anchor'), 'left')
self.assertEqual(style.lookup('TestWidget', 'padding'), '3 0 0 2')
self.assertEqual(style.lookup('TestWidget', 'foreground'), 'yellow')
self.assertEqual(style.lookup('TestWidget', 'foreground',
['active']), 'yellow')
self.assertEqual(style.lookup('TestWidget', 'foreground',
['active', 'pressed']), 'red')
self.assertEqual(style.lookup('TestWidget', 'foreground',
['active', 'disabled']), 'blue')
self.assertEqual(style.layout('TestWidget'),
[
('TestWidget.block', {'side': 'left', 'sticky': 'we'}),
('TestWidget.border', {
'sticky': 'nsw',
'border': '1',
'children': [('TestWidget.block2', {'sticky': 'nswe'})]
})
])
b = ttk.Label(self.root, style='TestWidget')
b.pack(expand=True, fill='both')
self.assertEqual(b.winfo_reqwidth(), 134)
self.assertEqual(b.winfo_reqheight(), 100)
style.theme_use(curr_theme)
def test_theme_create_vsapi(self):
style = self.style
if 'xpnative' not in style.theme_names():
self.skipTest("requires 'xpnative' theme")
curr_theme = style.theme_use()
new_theme = 'testtheme5'
style.theme_create(new_theme, settings={
'pin' : {
'element create': ['vsapi', 'EXPLORERBAR', 3, [
('pressed', '!selected', 3),
('active', '!selected', 2),
('pressed', 'selected', 6),
('active', 'selected', 5),
('selected', 4),
('', 1)]],
},
'Explorer.Pin' : {
'layout': [('Explorer.Pin.pin', {'sticky': 'news'})],
},
})
style.theme_use(new_theme)
self.assertIn('pin', style.element_names())
self.assertEqual(style.layout('Explorer.Pin'),
[('Explorer.Pin.pin', {'sticky': 'nswe'})])
pin = ttk.Checkbutton(self.root, style='Explorer.Pin')
pin.pack(expand=True, fill='both')
self.assertEqual(pin.winfo_reqwidth(), 16)
self.assertEqual(pin.winfo_reqheight(), 16)
style.theme_use(curr_theme)
if __name__ == "__main__":
unittest.main()
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