add hg and python
This commit is contained in:
parent
3a742c699f
commit
458120dd40
3709 changed files with 1244309 additions and 1 deletions
216
sys/lib/python/lib-tk/tkFont.py
Normal file
216
sys/lib/python/lib-tk/tkFont.py
Normal file
|
@ -0,0 +1,216 @@
|
|||
# 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)
|
||||
|
||||
def config(self, **options):
|
||||
"Modify font attributes"
|
||||
if options:
|
||||
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 int(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 int(
|
||||
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:]] = int(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()
|
Loading…
Add table
Add a link
Reference in a new issue