mirror of
https://github.com/EDCD/EDMarketConnector.git
synced 2025-04-13 15:57:14 +03:00
382 lines
18 KiB
Python
382 lines
18 KiB
Python
#
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# Theme support
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#
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# Because of various ttk limitations this app is an unholy mix of Tk and ttk widgets.
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# So can't use ttk's theme support. So have to change colors manually.
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#
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from sys import platform
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from os.path import join
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import Tkinter as tk
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import ttk
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import tkFont
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from ttkHyperlinkLabel import HyperlinkLabel
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from config import appname, applongname, config
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if __debug__:
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from traceback import print_exc
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if platform == 'win32':
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import ctypes
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from ctypes.wintypes import LPCWSTR, DWORD, LPCVOID
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AddFontResourceEx = ctypes.windll.gdi32.AddFontResourceExW
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AddFontResourceEx.restypes = [LPCWSTR, DWORD, LPCVOID]
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FR_PRIVATE = 0x10
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FR_NOT_ENUM = 0x20
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AddFontResourceEx(join(config.respath, u'EUROCAPS.TTF'), FR_PRIVATE, 0)
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elif platform == 'linux2':
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from ctypes import *
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XID = c_ulong # from X.h: typedef unsigned long XID
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Window = XID
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Atom = c_ulong
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Display = c_void_p # Opaque
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PropModeReplace = 0
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PropModePrepend = 1
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PropModeAppend = 2
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# From xprops.h
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MWM_HINTS_FUNCTIONS = 1 << 0
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MWM_HINTS_DECORATIONS = 1 << 1
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MWM_HINTS_INPUT_MODE = 1 << 2
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MWM_HINTS_STATUS = 1 << 3
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MWM_FUNC_ALL = 1 << 0
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MWM_FUNC_RESIZE = 1 << 1
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MWM_FUNC_MOVE = 1 << 2
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MWM_FUNC_MINIMIZE = 1 << 3
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MWM_FUNC_MAXIMIZE = 1 << 4
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MWM_FUNC_CLOSE = 1 << 5
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MWM_DECOR_ALL = 1 << 0
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MWM_DECOR_BORDER = 1 << 1
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MWM_DECOR_RESIZEH = 1 << 2
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MWM_DECOR_TITLE = 1 << 3
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MWM_DECOR_MENU = 1 << 4
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MWM_DECOR_MINIMIZE = 1 << 5
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MWM_DECOR_MAXIMIZE = 1 << 6
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class MotifWmHints(Structure):
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_fields_ = [
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('flags', c_ulong),
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('functions', c_ulong),
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('decorations', c_ulong),
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('input_mode', c_long),
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('status', c_ulong),
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]
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try:
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xlib = cdll.LoadLibrary('libX11.so.6')
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XInternAtom = xlib.XInternAtom
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XInternAtom.argtypes = [POINTER(Display), c_char_p, c_int]
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XInternAtom.restype = Atom
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XChangeProperty = xlib.XChangeProperty
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XChangeProperty.argtypes = [POINTER(Display), Window, Atom, Atom, c_int, c_int, POINTER(MotifWmHints), c_int]
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XChangeProperty.restype = c_int
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XFlush = xlib.XFlush
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XFlush.argtypes = [POINTER(Display)]
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XFlush.restype = c_int
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XOpenDisplay = xlib.XOpenDisplay
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XOpenDisplay.argtypes = [c_char_p]
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XOpenDisplay.restype = POINTER(Display)
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XQueryTree = xlib.XQueryTree
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XQueryTree.argtypes = [POINTER(Display), Window, POINTER(Window), POINTER(Window), POINTER(Window), POINTER(c_uint)]
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XQueryTree.restype = c_int
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dpy = xlib.XOpenDisplay(None)
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motif_wm_hints_property = XInternAtom(dpy, b'_MOTIF_WM_HINTS', False)
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motif_wm_hints_normal = MotifWmHints(MWM_HINTS_FUNCTIONS | MWM_HINTS_DECORATIONS,
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MWM_FUNC_RESIZE | MWM_FUNC_MOVE | MWM_FUNC_MINIMIZE | MWM_FUNC_CLOSE,
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MWM_DECOR_BORDER | MWM_DECOR_RESIZEH | MWM_DECOR_TITLE | MWM_DECOR_MENU | MWM_DECOR_MINIMIZE,
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0, 0)
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motif_wm_hints_dark = MotifWmHints(MWM_HINTS_FUNCTIONS | MWM_HINTS_DECORATIONS,
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MWM_FUNC_RESIZE | MWM_FUNC_MOVE | MWM_FUNC_MINIMIZE | MWM_FUNC_CLOSE,
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0, 0, 0)
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except:
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if __debug__: print_exc()
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dpy = None
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class _Theme:
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def __init__(self):
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self.active = None # Starts out with no theme
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self.minwidth = None
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self.widgets = {}
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self.widgets_pair = []
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self.defaults = {}
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self.current = {}
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def register(self, widget):
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# Note widget and children for later application of a theme. Note if the widget has explicit fg or bg attributes.
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assert isinstance(widget, tk.Widget) or isinstance(widget, tk.BitmapImage), widget
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if not self.defaults:
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# Can't initialise this til window is created # Windows, MacOS
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self.defaults = {
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'fg' : tk.Label()['foreground'], # SystemButtonText, systemButtonText
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'bg' : tk.Label()['background'], # SystemButtonFace, White
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'font' : tk.Label()['font'], # TkDefaultFont
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'bitmapfg' : tk.BitmapImage()['foreground'], # '-foreground {} {} #000000 #000000'
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'bitmapbg' : tk.BitmapImage()['background'], # '-background {} {} {} {}'
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'entryfg' : tk.Entry()['foreground'], # SystemWindowText, Black
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'entrybg' : tk.Entry()['background'], # SystemWindow, systemWindowBody
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'entryfont' : tk.Entry()['font'], # TkTextFont
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'frame' : tk.Frame()['background'], # SystemButtonFace, systemWindowBody
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'menufg' : tk.Menu()['foreground'], # SystemMenuText,
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'menubg' : tk.Menu()['background'], # SystemMenu,
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'menufont' : tk.Menu()['font'], # TkTextFont
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}
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if widget not in self.widgets:
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# No general way to tell whether the user has overridden, so compare against widget-type specific defaults
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attribs = set()
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if isinstance(widget, tk.BitmapImage):
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if widget['foreground'] not in ['', self.defaults['bitmapfg']]:
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attribs.add('fg')
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if widget['background'] not in ['', self.defaults['bitmapbg']]:
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attribs.add('bg')
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elif isinstance(widget, tk.Entry) or isinstance(widget, ttk.Entry):
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if widget['foreground'] not in ['', self.defaults['entryfg']]:
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attribs.add('fg')
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if widget['background'] not in ['', self.defaults['entrybg']]:
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attribs.add('bg')
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if 'font' in widget.keys() and str(widget['font']) not in ['', self.defaults['entryfont']]:
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attribs.add('font')
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elif isinstance(widget, tk.Frame) or isinstance(widget, ttk.Frame) or isinstance(widget, tk.Canvas):
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if ('background' in widget.keys() or isinstance(widget, tk.Canvas)) and widget['background'] not in ['', self.defaults['frame']]:
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attribs.add('bg')
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elif isinstance(widget, HyperlinkLabel):
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pass # Hack - HyperlinkLabel changes based on state, so skip
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elif isinstance(widget, tk.Menu):
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if widget['foreground'] not in ['', self.defaults['menufg']]:
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attribs.add('fg')
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if widget['background'] not in ['', self.defaults['menubg']]:
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attribs.add('bg')
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if widget['font'] not in ['', self.defaults['menufont']]:
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attribs.add('font')
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else: # tk.Button, tk.Label
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if 'foreground' in widget.keys() and widget['foreground'] not in ['', self.defaults['fg']]:
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attribs.add('fg')
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if 'background' in widget.keys() and widget['background'] not in ['', self.defaults['bg']]:
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attribs.add('bg')
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if 'font' in widget.keys() and widget['font'] not in ['', self.defaults['font']]:
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attribs.add('font')
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self.widgets[widget] = attribs
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if isinstance(widget, tk.Frame) or isinstance(widget, ttk.Frame):
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for child in widget.winfo_children():
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self.register(child)
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def register_alternate(self, pair, gridopts):
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self.widgets_pair.append((pair, gridopts))
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def button_bind(self, widget, command, image=None):
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widget.bind('<Button-1>', command)
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widget.bind('<Enter>', lambda e: self._enter(e, image))
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widget.bind('<Leave>', lambda e: self._leave(e, image))
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def _enter(self, event, image):
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widget = event.widget
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if widget and widget['state'] != tk.DISABLED:
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widget.configure(state = tk.ACTIVE)
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if image:
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image.configure(foreground = self.current['activeforeground'], background = self.current['activebackground'])
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def _leave(self, event, image):
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widget = event.widget
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if widget and widget['state'] != tk.DISABLED:
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widget.configure(state = tk.NORMAL)
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if image:
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image.configure(foreground = self.current['foreground'], background = self.current['background'])
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# Set up colors
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def _colors(self, root, theme):
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style = ttk.Style()
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if platform == 'linux2':
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style.theme_use('clam')
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# Default dark theme colors
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if not config.get('dark_text'):
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config.set('dark_text', '#ff8000') # "Tangerine" in OSX color picker
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if not config.get('dark_highlight'):
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config.set('dark_highlight', 'white')
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if theme:
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# Dark
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(r, g, b) = root.winfo_rgb(config.get('dark_text'))
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self.current = {
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'background' : 'grey4', # OSX inactive dark titlebar color
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'foreground' : config.get('dark_text'),
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'activebackground' : config.get('dark_text'),
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'activeforeground' : 'grey4',
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'disabledforeground' : '#%02x%02x%02x' % (r/384, g/384, b/384),
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'highlight' : config.get('dark_highlight'),
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# Font only supports Latin 1 / Supplement / Extended, and a few General Punctuation and Mathematical Operators
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'font' : (theme > 1 and not 0x250 < ord(_('Cmdr')[0]) < 0x3000 and
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tkFont.Font(family='Euro Caps', size=10, weight=tkFont.NORMAL) or
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'TkDefaultFont'),
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}
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else:
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# (Mostly) system colors
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style = ttk.Style()
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self.current = {
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'background' : (platform == 'darwin' and 'systemMovableModalBackground' or
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style.lookup('TLabel', 'background')),
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'foreground' : style.lookup('TLabel', 'foreground'),
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'activebackground' : (platform == 'win32' and 'SystemHighlight' or
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style.lookup('TLabel', 'background', ['active'])),
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'activeforeground' : (platform == 'win32' and 'SystemHighlightText' or
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style.lookup('TLabel', 'foreground', ['active'])),
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'disabledforeground' : style.lookup('TLabel', 'foreground', ['disabled']),
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'highlight' : 'blue',
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'font' : 'TkDefaultFont',
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}
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# Apply current theme to a widget and its children, and register it for future updates
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def update(self, widget):
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assert isinstance(widget, tk.Widget) or isinstance(widget, tk.BitmapImage), widget
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if not self.current:
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return # No need to call this for widgets created in plugin_app()
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self.register(widget)
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self._update_widget(widget)
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if isinstance(widget, tk.Frame) or isinstance(widget, ttk.Frame):
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for child in widget.winfo_children():
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self._update_widget(child)
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# Apply current theme to a single widget
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def _update_widget(self, widget):
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assert widget in self.widgets, '%s %s "%s"' %(widget.winfo_class(), widget, 'text' in widget.keys() and widget['text'])
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attribs = self.widgets.get(widget, [])
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if isinstance(widget, tk.BitmapImage):
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# not a widget
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if 'fg' not in attribs:
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widget.configure(foreground = self.current['foreground']),
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if 'bg' not in attribs:
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widget.configure(background = self.current['background'])
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elif 'cursor' in widget.keys() and str(widget['cursor']) not in ['', 'arrow']:
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# Hack - highlight widgets like HyperlinkLabel with a non-default cursor
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if 'fg' not in attribs:
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widget.configure(foreground = self.current['highlight']),
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if 'insertbackground' in widget.keys(): # tk.Entry
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widget.configure(insertbackground = self.current['foreground']),
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if 'bg' not in attribs:
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widget.configure(background = self.current['background'])
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if 'highlightbackground' in widget.keys(): # tk.Entry
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widget.configure(highlightbackground = self.current['background'])
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if 'font' not in attribs:
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widget.configure(font = self.current['font'])
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elif 'activeforeground' in widget.keys():
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# e.g. tk.Button, tk.Label, tk.Menu
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if 'fg' not in attribs:
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widget.configure(foreground = self.current['foreground'],
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activeforeground = self.current['activeforeground'],
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disabledforeground = self.current['disabledforeground'])
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if 'bg' not in attribs:
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widget.configure(background = self.current['background'],
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activebackground = self.current['activebackground'])
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if platform == 'darwin' and isinstance(widget, tk.Button):
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widget.configure(highlightbackground = self.current['background'])
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if 'font' not in attribs:
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widget.configure(font = self.current['font'])
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elif 'foreground' in widget.keys():
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# e.g. ttk.Label
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if 'fg' not in attribs:
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widget.configure(foreground = self.current['foreground']),
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if 'bg' not in attribs:
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widget.configure(background = self.current['background'])
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if 'font' not in attribs:
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widget.configure(font = self.current['font'])
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elif 'background' in widget.keys() or isinstance(widget, tk.Canvas):
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# e.g. Frame, Canvas
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if 'bg' not in attribs:
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widget.configure(background = self.current['background'],
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highlightbackground = self.current['disabledforeground'])
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# Apply configured theme
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def apply(self, root):
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theme = config.getint('theme')
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self._colors(root, theme)
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# Apply colors
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for widget in set(self.widgets):
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if isinstance(widget, tk.Widget) and not widget.winfo_exists():
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self.widgets.pop(widget) # has been destroyed
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else:
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self._update_widget(widget)
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# Switch menus
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for pair, gridopts in self.widgets_pair:
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for widget in pair:
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widget.grid_remove()
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if isinstance(pair[0], tk.Menu):
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if theme:
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root['menu'] = ''
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pair[theme].grid(**gridopts)
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else:
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root['menu'] = pair[0]
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else:
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pair[theme].grid(**gridopts)
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if self.active == theme:
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return # Don't need to mess with the window manager
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else:
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self.active = theme
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if platform == 'darwin':
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from AppKit import NSApplication, NSAppearance, NSMiniaturizableWindowMask, NSResizableWindowMask
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root.update_idletasks() # need main window to be created
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appearance = NSAppearance.appearanceNamed_(theme and
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'NSAppearanceNameVibrantDark' or
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'NSAppearanceNameAqua')
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for window in NSApplication.sharedApplication().windows():
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window.setStyleMask_(window.styleMask() & ~(NSMiniaturizableWindowMask | NSResizableWindowMask)) # disable zoom
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window.setAppearance_(appearance)
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elif platform == 'win32':
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GWL_STYLE = -16
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WS_MAXIMIZEBOX = 0x00010000
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# tk8.5.9/win/tkWinWm.c:342
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GWL_EXSTYLE = -20
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WS_EX_APPWINDOW = 0x00040000
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WS_EX_LAYERED = 0x00080000
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GetWindowLongW = ctypes.windll.user32.GetWindowLongW
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SetWindowLongW = ctypes.windll.user32.SetWindowLongW
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root.overrideredirect(theme and 1 or 0)
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root.attributes("-transparentcolor", theme > 1 and 'grey4' or '')
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root.withdraw()
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root.update_idletasks() # Size and windows styles get recalculated here
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hwnd = ctypes.windll.user32.GetParent(root.winfo_id())
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SetWindowLongW(hwnd, GWL_STYLE, GetWindowLongW(hwnd, GWL_STYLE) & ~WS_MAXIMIZEBOX) # disable maximize
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SetWindowLongW(hwnd, GWL_EXSTYLE, theme > 1 and WS_EX_APPWINDOW|WS_EX_LAYERED or WS_EX_APPWINDOW) # Add to taskbar
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root.deiconify()
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root.wait_visibility() # need main window to be displayed before returning
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else:
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root.withdraw()
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root.update_idletasks() # Size gets recalculated here
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if dpy:
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xroot = Window()
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parent = Window()
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children = Window()
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nchildren = c_uint()
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XQueryTree(dpy, root.winfo_id(), byref(xroot), byref(parent), byref(children), byref(nchildren))
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XChangeProperty(dpy, parent, motif_wm_hints_property, motif_wm_hints_property, 32, PropModeReplace, theme and motif_wm_hints_dark or motif_wm_hints_normal, 5)
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XFlush(dpy)
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else:
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root.overrideredirect(theme and 1 or 0)
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root.deiconify()
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root.wait_visibility() # need main window to be displayed before returning
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if not self.minwidth:
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self.minwidth = root.winfo_width() # Minimum width = width on first creation
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root.minsize(self.minwidth, -1)
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# singleton
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theme = _Theme()
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