# # Theme support # # Because of various ttk limitations this app is an unholy mix of Tk and ttk widgets. # So can't use ttk's theme support. So have to change colors manually. # import os import sys import tkinter as tk from os.path import join from tkinter import font as tkFont from tkinter import ttk from config import config from ttkHyperlinkLabel import HyperlinkLabel from EDMCLogging import get_main_logger logger = get_main_logger() if __debug__: from traceback import print_exc if sys.platform == "linux": from ctypes import POINTER, Structure, byref, c_char_p, c_int, c_long, c_uint, c_ulong, c_void_p, cdll if sys.platform == 'win32': import ctypes from ctypes.wintypes import DWORD, LPCVOID, LPCWSTR AddFontResourceEx = ctypes.windll.gdi32.AddFontResourceExW AddFontResourceEx.restypes = [LPCWSTR, DWORD, LPCVOID] FR_PRIVATE = 0x10 FR_NOT_ENUM = 0x20 AddFontResourceEx(join(config.respath, u'EUROCAPS.TTF'), FR_PRIVATE, 0) elif sys.platform == 'linux': # pyright: reportUnboundVariable=false XID = c_ulong # from X.h: typedef unsigned long XID Window = XID Atom = c_ulong Display = c_void_p # Opaque PropModeReplace = 0 PropModePrepend = 1 PropModeAppend = 2 # From xprops.h MWM_HINTS_FUNCTIONS = 1 << 0 MWM_HINTS_DECORATIONS = 1 << 1 MWM_HINTS_INPUT_MODE = 1 << 2 MWM_HINTS_STATUS = 1 << 3 MWM_FUNC_ALL = 1 << 0 MWM_FUNC_RESIZE = 1 << 1 MWM_FUNC_MOVE = 1 << 2 MWM_FUNC_MINIMIZE = 1 << 3 MWM_FUNC_MAXIMIZE = 1 << 4 MWM_FUNC_CLOSE = 1 << 5 MWM_DECOR_ALL = 1 << 0 MWM_DECOR_BORDER = 1 << 1 MWM_DECOR_RESIZEH = 1 << 2 MWM_DECOR_TITLE = 1 << 3 MWM_DECOR_MENU = 1 << 4 MWM_DECOR_MINIMIZE = 1 << 5 MWM_DECOR_MAXIMIZE = 1 << 6 class MotifWmHints(Structure): _fields_ = [ ('flags', c_ulong), ('functions', c_ulong), ('decorations', c_ulong), ('input_mode', c_long), ('status', c_ulong), ] # workaround for https://github.com/EDCD/EDMarketConnector/issues/568 if not os.getenv("EDMC_NO_UI"): try: xlib = cdll.LoadLibrary('libX11.so.6') XInternAtom = xlib.XInternAtom XInternAtom.argtypes = [POINTER(Display), c_char_p, c_int] XInternAtom.restype = Atom XChangeProperty = xlib.XChangeProperty XChangeProperty.argtypes = [POINTER(Display), Window, Atom, Atom, c_int, c_int, POINTER(MotifWmHints), c_int] XChangeProperty.restype = c_int XFlush = xlib.XFlush XFlush.argtypes = [POINTER(Display)] XFlush.restype = c_int XOpenDisplay = xlib.XOpenDisplay XOpenDisplay.argtypes = [c_char_p] XOpenDisplay.restype = POINTER(Display) XQueryTree = xlib.XQueryTree XQueryTree.argtypes = [POINTER(Display), Window, POINTER( Window), POINTER(Window), POINTER(Window), POINTER(c_uint)] XQueryTree.restype = c_int dpy = xlib.XOpenDisplay(None) if not dpy: raise Exception("Can't find your display, can't continue") motif_wm_hints_property = XInternAtom(dpy, b'_MOTIF_WM_HINTS', False) motif_wm_hints_normal = MotifWmHints(MWM_HINTS_FUNCTIONS | MWM_HINTS_DECORATIONS, MWM_FUNC_RESIZE | MWM_FUNC_MOVE | MWM_FUNC_MINIMIZE | MWM_FUNC_CLOSE, MWM_DECOR_BORDER | MWM_DECOR_RESIZEH | MWM_DECOR_TITLE | MWM_DECOR_MENU | MWM_DECOR_MINIMIZE, 0, 0) motif_wm_hints_dark = MotifWmHints(MWM_HINTS_FUNCTIONS | MWM_HINTS_DECORATIONS, MWM_FUNC_RESIZE | MWM_FUNC_MOVE | MWM_FUNC_MINIMIZE | MWM_FUNC_CLOSE, 0, 0, 0) except: if __debug__: print_exc() dpy = None class _Theme(object): def __init__(self): self.active = None # Starts out with no theme self.minwidth = None self.widgets = {} self.widgets_pair = [] self.defaults = {} self.current = {} self.default_ui_scale = None # None == not yet known self.startup_ui_scale = None def register(self, widget): # Note widget and children for later application of a theme. Note if the widget has explicit fg or bg attributes. assert isinstance(widget, tk.Widget) or isinstance(widget, tk.BitmapImage), widget if not self.defaults: # Can't initialise this til window is created # Windows, MacOS self.defaults = { 'fg': tk.Label()['foreground'], # SystemButtonText, systemButtonText 'bg': tk.Label()['background'], # SystemButtonFace, White 'font': tk.Label()['font'], # TkDefaultFont 'bitmapfg': tk.BitmapImage()['foreground'], # '-foreground {} {} #000000 #000000' 'bitmapbg': tk.BitmapImage()['background'], # '-background {} {} {} {}' 'entryfg': tk.Entry()['foreground'], # SystemWindowText, Black 'entrybg': tk.Entry()['background'], # SystemWindow, systemWindowBody 'entryfont': tk.Entry()['font'], # TkTextFont 'frame': tk.Frame()['background'], # SystemButtonFace, systemWindowBody 'menufg': tk.Menu()['foreground'], # SystemMenuText, 'menubg': tk.Menu()['background'], # SystemMenu, 'menufont': tk.Menu()['font'], # TkTextFont } if widget not in self.widgets: # No general way to tell whether the user has overridden, so compare against widget-type specific defaults attribs = set() if isinstance(widget, tk.BitmapImage): if widget['foreground'] not in ['', self.defaults['bitmapfg']]: attribs.add('fg') if widget['background'] not in ['', self.defaults['bitmapbg']]: attribs.add('bg') elif isinstance(widget, tk.Entry) or isinstance(widget, ttk.Entry): if widget['foreground'] not in ['', self.defaults['entryfg']]: attribs.add('fg') if widget['background'] not in ['', self.defaults['entrybg']]: attribs.add('bg') if 'font' in widget.keys() and str(widget['font']) not in ['', self.defaults['entryfont']]: attribs.add('font') elif isinstance(widget, tk.Frame) or isinstance(widget, ttk.Frame) or isinstance(widget, tk.Canvas): if ('background' in widget.keys() or isinstance(widget, tk.Canvas)) and widget['background'] not in ['', self.defaults['frame']]: attribs.add('bg') elif isinstance(widget, HyperlinkLabel): pass # Hack - HyperlinkLabel changes based on state, so skip elif isinstance(widget, tk.Menu): if widget['foreground'] not in ['', self.defaults['menufg']]: attribs.add('fg') if widget['background'] not in ['', self.defaults['menubg']]: attribs.add('bg') if widget['font'] not in ['', self.defaults['menufont']]: attribs.add('font') else: # tk.Button, tk.Label if 'foreground' in widget.keys() and widget['foreground'] not in ['', self.defaults['fg']]: attribs.add('fg') if 'background' in widget.keys() and widget['background'] not in ['', self.defaults['bg']]: attribs.add('bg') if 'font' in widget.keys() and widget['font'] not in ['', self.defaults['font']]: attribs.add('font') self.widgets[widget] = attribs if isinstance(widget, tk.Frame) or isinstance(widget, ttk.Frame): for child in widget.winfo_children(): self.register(child) def register_alternate(self, pair, gridopts): self.widgets_pair.append((pair, gridopts)) def button_bind(self, widget, command, image=None): widget.bind('', command) widget.bind('', lambda e: self._enter(e, image)) widget.bind('', lambda e: self._leave(e, image)) def _enter(self, event, image): widget = event.widget if widget and widget['state'] != tk.DISABLED: try: widget.configure(state=tk.ACTIVE) except Exception: logger.exception(f'Failure setting widget active: {widget=}') if image: try: image.configure(foreground=self.current['activeforeground'], background=self.current['activebackground']) except Exception: logger.exception(f'Failure configuring image: {image=}') def _leave(self, event, image): widget = event.widget if widget and widget['state'] != tk.DISABLED: try: widget.configure(state=tk.NORMAL) except Exception: logger.exception(f'Failure setting widget normal: {widget=}') if image: try: image.configure(foreground=self.current['foreground'], background=self.current['background']) except Exception: logger.exception(f'Failure configuring image: {image=}') # Set up colors def _colors(self, root, theme): style = ttk.Style() if sys.platform == 'linux': style.theme_use('clam') # Default dark theme colors if not config.get_str('dark_text'): config.set('dark_text', '#ff8000') # "Tangerine" in OSX color picker if not config.get_str('dark_highlight'): config.set('dark_highlight', 'white') if theme: # Dark (r, g, b) = root.winfo_rgb(config.get_str('dark_text')) self.current = { 'background': 'grey4', # OSX inactive dark titlebar color 'foreground': config.get_str('dark_text'), 'activebackground': config.get_str('dark_text'), 'activeforeground': 'grey4', 'disabledforeground': '#%02x%02x%02x' % (int(r/384), int(g/384), int(b/384)), 'highlight': config.get_str('dark_highlight'), # Font only supports Latin 1 / Supplement / Extended, and a few General Punctuation and Mathematical Operators # LANG: Label for commander name in main window 'font': (theme > 1 and not 0x250 < ord(_('Cmdr')[0]) < 0x3000 and tkFont.Font(family='Euro Caps', size=10, weight=tkFont.NORMAL) or 'TkDefaultFont'), } else: # (Mostly) system colors style = ttk.Style() self.current = { 'background': (sys.platform == 'darwin' and 'systemMovableModalBackground' or style.lookup('TLabel', 'background')), 'foreground': style.lookup('TLabel', 'foreground'), 'activebackground': (sys.platform == 'win32' and 'SystemHighlight' or style.lookup('TLabel', 'background', ['active'])), 'activeforeground': (sys.platform == 'win32' and 'SystemHighlightText' or style.lookup('TLabel', 'foreground', ['active'])), 'disabledforeground': style.lookup('TLabel', 'foreground', ['disabled']), 'highlight': 'blue', 'font': 'TkDefaultFont', } # Apply current theme to a widget and its children, and register it for future updates def update(self, widget): assert isinstance(widget, tk.Widget) or isinstance(widget, tk.BitmapImage), widget if not self.current: return # No need to call this for widgets created in plugin_app() self.register(widget) self._update_widget(widget) if isinstance(widget, tk.Frame) or isinstance(widget, ttk.Frame): for child in widget.winfo_children(): self._update_widget(child) # Apply current theme to a single widget def _update_widget(self, widget): assert widget in self.widgets, '%s %s "%s"' % ( widget.winfo_class(), widget, 'text' in widget.keys() and widget['text']) attribs = self.widgets.get(widget, []) try: if isinstance(widget, tk.BitmapImage): # not a widget if 'fg' not in attribs: widget.configure(foreground=self.current['foreground']), if 'bg' not in attribs: widget.configure(background=self.current['background']) elif 'cursor' in widget.keys() and str(widget['cursor']) not in ['', 'arrow']: # Hack - highlight widgets like HyperlinkLabel with a non-default cursor if 'fg' not in attribs: widget.configure(foreground=self.current['highlight']), if 'insertbackground' in widget.keys(): # tk.Entry widget.configure(insertbackground=self.current['foreground']), if 'bg' not in attribs: widget.configure(background=self.current['background']) if 'highlightbackground' in widget.keys(): # tk.Entry widget.configure(highlightbackground=self.current['background']) if 'font' not in attribs: widget.configure(font=self.current['font']) elif 'activeforeground' in widget.keys(): # e.g. tk.Button, tk.Label, tk.Menu if 'fg' not in attribs: widget.configure(foreground=self.current['foreground'], activeforeground=self.current['activeforeground'], disabledforeground=self.current['disabledforeground']) if 'bg' not in attribs: widget.configure(background=self.current['background'], activebackground=self.current['activebackground']) if sys.platform == 'darwin' and isinstance(widget, tk.Button): widget.configure(highlightbackground=self.current['background']) if 'font' not in attribs: widget.configure(font=self.current['font']) elif 'foreground' in widget.keys(): # e.g. ttk.Label if 'fg' not in attribs: widget.configure(foreground=self.current['foreground']), if 'bg' not in attribs: widget.configure(background=self.current['background']) if 'font' not in attribs: widget.configure(font=self.current['font']) elif 'background' in widget.keys() or isinstance(widget, tk.Canvas): # e.g. Frame, Canvas if 'bg' not in attribs: widget.configure(background=self.current['background'], highlightbackground=self.current['disabledforeground']) except Exception: logger.exception(f'Plugin widget issue ? {widget=}') # Apply configured theme def apply(self, root): theme = config.get_int('theme') self._colors(root, theme) # Apply colors for widget in set(self.widgets): if isinstance(widget, tk.Widget) and not widget.winfo_exists(): self.widgets.pop(widget) # has been destroyed else: self._update_widget(widget) # Switch menus for pair, gridopts in self.widgets_pair: for widget in pair: widget.grid_remove() if isinstance(pair[0], tk.Menu): if theme: root['menu'] = '' pair[theme].grid(**gridopts) else: root['menu'] = pair[0] else: pair[theme].grid(**gridopts) if self.active == theme: return # Don't need to mess with the window manager else: self.active = theme if sys.platform == 'darwin': from AppKit import NSAppearance, NSApplication, NSMiniaturizableWindowMask, NSResizableWindowMask root.update_idletasks() # need main window to be created appearance = NSAppearance.appearanceNamed_(theme and 'NSAppearanceNameDarkAqua' or 'NSAppearanceNameAqua') for window in NSApplication.sharedApplication().windows(): window.setStyleMask_(window.styleMask() & ~( NSMiniaturizableWindowMask | NSResizableWindowMask)) # disable zoom window.setAppearance_(appearance) elif sys.platform == 'win32': GWL_STYLE = -16 WS_MAXIMIZEBOX = 0x00010000 # tk8.5.9/win/tkWinWm.c:342 GWL_EXSTYLE = -20 WS_EX_APPWINDOW = 0x00040000 WS_EX_LAYERED = 0x00080000 GetWindowLongW = ctypes.windll.user32.GetWindowLongW SetWindowLongW = ctypes.windll.user32.SetWindowLongW root.overrideredirect(theme and 1 or 0) root.attributes("-transparentcolor", theme > 1 and 'grey4' or '') root.withdraw() root.update_idletasks() # Size and windows styles get recalculated here hwnd = ctypes.windll.user32.GetParent(root.winfo_id()) SetWindowLongW(hwnd, GWL_STYLE, GetWindowLongW(hwnd, GWL_STYLE) & ~WS_MAXIMIZEBOX) # disable maximize SetWindowLongW(hwnd, GWL_EXSTYLE, theme > 1 and WS_EX_APPWINDOW | WS_EX_LAYERED or WS_EX_APPWINDOW) # Add to taskbar root.deiconify() root.wait_visibility() # need main window to be displayed before returning else: root.withdraw() root.update_idletasks() # Size gets recalculated here if dpy: xroot = Window() parent = Window() children = Window() nchildren = c_uint() XQueryTree(dpy, root.winfo_id(), byref(xroot), byref(parent), byref(children), byref(nchildren)) 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) XFlush(dpy) else: root.overrideredirect(theme and 1 or 0) root.deiconify() root.wait_visibility() # need main window to be displayed before returning if not self.minwidth: self.minwidth = root.winfo_width() # Minimum width = width on first creation root.minsize(self.minwidth, -1) # singleton theme = _Theme()