Fredrik Lundh's font wrapper.
diff --git a/Lib/lib-tk/tkFont.py b/Lib/lib-tk/tkFont.py
new file mode 100644
index 0000000..5e9abed
--- /dev/null
+++ b/Lib/lib-tk/tkFont.py
@@ -0,0 +1,192 @@
+#
+# Tkinter
+# $Id$
+#
+# font wrapper
+#
+# written by Fredrik Lundh <fredrik@pythonware.com>, February 1998
+#
+# FIXME: should add 'displayof' option where relevant (actual, families,
+# measure, and metrics)
+#
+# Copyright (c) Secret Labs AB 1998.
+#
+# info@pythonware.com
+# http://www.pythonware.com
+#
+
+__version__ = "0.9"
+
+import Tkinter
+import string
+
+# weight/slant
+NORMAL = "normal"
+BOLD = "bold"
+ITALIC = "italic"
+
+class Font:
+
+ """Represents a named font.
+
+ Constructor options are:
+
+ font -- font specifier (name, system font, or (family, size, style)-tuple)
+
+ or any combination of
+
+ family -- font 'family', e.g. Courier, Times, Helvetica
+ size -- font size in points
+ weight -- font thickness: NORMAL, BOLD
+ slant -- font slant: NORMAL, ITALIC
+ underline -- font underlining: false (0), true (1)
+ overstrike -- font strikeout: false (0), true (1)
+ name -- name to use for this font configuration (defaults to a unique name)
+ """
+
+ 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, **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
+ apply(root.tk.call, ("font", "create", name) + font)
+ # backlinks!
+ self._root = root
+ self._split = root.tk.splitlist
+ self._call = root.tk.call
+
+ def __str__(self):
+ return self.name
+
+ def __del__(self):
+ try:
+ self._call("font", "delete", self.name)
+ except (AttributeError, Tkinter.TclError):
+ pass
+
+ def copy(self):
+ "Return a distinct copy of the current font"
+ return apply(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)
+
+ def config(self, **options):
+ "Modify font attributes"
+ if options:
+ apply(self._call, ("font", "config", self.name) +
+ self._set(options))
+ else:
+ return self._mkdict(
+ self._split(self._call("font", "config", self.name))
+ )
+
+ configure = config
+
+ def measure(self, text):
+ "Return text width"
+ return string.atoi(self._call("font", "measure", self.name, text))
+
+ def metrics(self, *options):
+ """Return font metrics.
+
+ For best performance, create a dummy widget
+ using this font before calling this method."""
+
+ if options:
+ return string.atoi(
+ self._call("font", "metrics", self.name, self._get(options))
+ )
+ else:
+ res = self._split(self._call("font", "metrics", self.name))
+ options = {}
+ for i in range(0, len(res), 2):
+ options[res[i][1:]] = string.atoi(res[i+1])
+ return options
+
+def families(root=None):
+ "Get font families (as a tuple)"
+ if not root:
+ root = Tkinter._default_root
+ return root.tk.splitlist(root.tk.call("font", "families"))
+
+def names(root=None):
+ "Get names of defined fonts (as a tuple)"
+ if not root:
+ root = Tkinter._default_root
+ return root.tk.splitlist(root.tk.call("font", "names"))
+
+# --------------------------------------------------------------------
+# test stuff
+
+if __name__ == "__main__":
+
+ root = Tkinter.Tk()
+
+ # create a font
+ f = Font(family="times", size=30, weight=NORMAL)
+
+ print f.actual()
+ print f.actual("family")
+ print f.actual("weight")
+
+ print f.config()
+ print f.cget("family")
+ print f.cget("weight")
+
+ print names()
+
+ print f.measure("hello"), f.metrics("linespace")
+
+ print f.metrics()
+
+ f = Font(font=("Courier", 20, "bold"))
+ print f.measure("hello"), f.metrics("linespace")
+
+ w = Tkinter.Label(root, text="Hello, world", font=f)
+ w.pack()
+
+ w = Tkinter.Button(root, text="Quit!", command=root.destroy)
+ w.pack()
+
+ fb = Font(font=w["font"]).copy()
+ fb.config(weight=BOLD)
+
+ w.config(font=fb)
+
+ Tkinter.mainloop()