0 00000071 "ˆl–ßi~”*e¶¥8 Ap-\lJbÑ¿Â ƒh¹ÁÀonline #ˆl—ß=¿J µ2ÛR‚œPÜm»Œº¦-ÿà ƒh¹ÂÁ0 " ˆl–ßi~” Ji?u2 \¸®Õ1hßÄ ƒp kÃÂØ # Tkinter font wrapper # # written by Fredrik Lundh, February 1998 # # FIXME: should add 'displayof' option where relevant (actual, families, # measure, and metrics) # __version__ = "0.9" import Tkinter # weight/slant NORMAL = "normal" ROMAN = "roman" BOLD = "bold" ITALIC = "italic" def nametofont(name): """Given the name of a tk named font, returns a Font representation. """ return Font(name=name, exists=True) class Font: """Represents a named font. Constructor options are: font -- font specifier (name, system font, or (family, size, style)-tuple) name -- name to use for this font configuration (defaults to a unique name) exists -- does a named font by this name already exist? Creates a new named font if False, points to the existing font if True. Raises _Tkinter.TclError if the assertion is false. the following are ignored if font is specified: family -- font 'family', e.g. Courier, Times, Helvetica size -- font size in points weight -- font thickness: NORMAL, BOLD slant -- font slant: ROMAN, ITALIC underline -- font underlining: false (0), true (1) overstrike -- font strikeout: false (0), true (1) """ def _set(self, kw): options = [] for k, v in kw.items(): options.append("-"+k) options.append(str(v)) return tuple(options) def _get(self, args): options = [] for k in args: options.append("-"+k) return tuple(options) def _mkdict(self, args): options = {} for i in range(0, len(args), 2): options[args[i][1:]] = args[i+1] return options def __init__(self, root=None, font=None, name=None, exists=False, **options): if not root: root = Tkinter._default_root if font: # get actual settings corresponding to the given font font = root.tk.splitlist(root.tk.call("font", "actual", font)) else: font = self._set(options) if not name: name = "font" + str(id(self)) self.name = name if exists: self.delete_font = False # confirm font exists if self.name not in root.tk.call("font", "names"): raise Tkinter._tkinter.TclError, "named font %s does not already exist" % (self.name,) # if font config info supplied, apply it if font: root.tk.call("font", "configure", self.name, *font) else: # create new font (raises TclError if the font exists) root.tk.call("font", "create", self.name, *font) self.delete_font = True # backlinks! self._root = root self._split = root.tk.splitlist self._call = root.tk.call def __str__(self): return self.name def __eq__(self, other): return self.name == other.name and isinstance(other, Font) def __getitem__(self, key): return self.cget(key) def __setitem__(self, key, value): self.configure(**{key: value}) def __del__(self): try: if self.delete_font: self._call("font", "delete", self.name) except (KeyboardInterrupt, SystemExit): raise except Exception: pass def copy(self): "Return a distinct copy of the current font" return Font(self._root, **self.actual()) def actual(self, option=None): "Return actual font attributes" if option: return self._call("font", "actual", self.name, "-"+option) else: return self._mkdict( self._split(self._call("font", "actual", self.name)) ) def cget(self, option): "Get font attribute" return self._call("font", "config", self.name, "-"+option)