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<TITLE>PmwLogicalFont.py</TITLE>
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<PRE>
import Tkinter
import string
<STRONG>def initialise</STRONG>(root, size=None, fontScheme = None):
global _fontSize
if size is not None:
_fontSize = size
if fontScheme == <FONT COLOR="#009900">'pmw1'</FONT>:
defaultFont = logicalfont(<FONT COLOR="#009900">'Helvetica'</FONT>)
menuFont = logicalfont(<FONT COLOR="#009900">'Helvetica'</FONT>, weight=<FONT COLOR="#009900">'bold'</FONT>, slant=<FONT COLOR="#009900">'italic'</FONT>)
scaleFont = logicalfont(<FONT COLOR="#009900">'Helvetica'</FONT>, slant=<FONT COLOR="#009900">'italic'</FONT>)
root.option_add(<FONT COLOR="#009900">'*Font'</FONT>, defaultFont, <FONT COLOR="#009900">'userDefault'</FONT>)
root.option_add(<FONT COLOR="#009900">'*Menu*Font'</FONT>, menuFont, <FONT COLOR="#009900">'userDefault'</FONT>)
root.option_add(<FONT COLOR="#009900">'*Menubutton*Font'</FONT>, menuFont, <FONT COLOR="#009900">'userDefault'</FONT>)
root.option_add(<FONT COLOR="#009900">'*Scale.*Font'</FONT>, scaleFont, <FONT COLOR="#009900">'userDefault'</FONT>)
balloonFont = logicalfont(<FONT COLOR="#009900">'Helvetica'</FONT>, -6, pixel = <FONT COLOR="#009900">'12'</FONT>)
if not fontexists(root, balloonFont):
balloonFont = logicalfont(<FONT COLOR="#009900">'Helvetica'</FONT>, -2)
root.option_add(<FONT COLOR="#009900">'*Balloon.*Font'</FONT>, balloonFont, <FONT COLOR="#009900">'userDefault'</FONT>)
<STRONG>def fontexists</STRONG>(widget, fontName):
test = Tkinter.Label(widget)
exists = 1
try:
test.configure(font = fontName)
except Tkinter.TclError:
exists = 0
test.destroy()
return exists
maxfontwidthcache = {}
<STRONG>def maxfontwidth</STRONG>(widget, fontName):
if not maxfontwidthcache.has_key(fontName):
test = Tkinter.Text(widget)
test.tag_configure(<FONT COLOR="#009900">'FONTTAG'</FONT>, font=fontName)
test.insert(<FONT COLOR="#009900">'end'</FONT>, <FONT COLOR="#009900">'W'</FONT>, (<FONT COLOR="#009900">'FONTTAG'</FONT>))
maxfontwidthcache[fontName] = test.dlineinfo(<FONT COLOR="#009900">'1.0'</FONT>)[2]
test.destroy()
return maxfontwidthcache[fontName]
<STRONG>def logicalfont</STRONG>(name=<FONT COLOR="#009900">'Helvetica'</FONT>, sizeIncr = 0, **kw):
if not fontInfo.has_key(name):
raise ValueError, <FONT COLOR="#009900">'font %s does not exist'</FONT> % name
rtn = []
for field in _fontFields:
if kw.has_key(field):
logicalValue = kw[field]
elif fontInfo[name].has_key(field):
logicalValue = fontInfo[name][field]
else:
logicalValue = <FONT COLOR="#009900">'*'</FONT>
if propertyAliases[name].has_key((field, logicalValue)):
realValue = propertyAliases[name][(field, logicalValue)]
elif propertyAliases[name].has_key((field, None)):
realValue = propertyAliases[name][(field, None)]
elif propertyAliases[None].has_key((field, logicalValue)):
realValue = propertyAliases[None][(field, logicalValue)]
elif propertyAliases[None].has_key((field, None)):
realValue = propertyAliases[None][(field, None)]
else:
realValue = logicalValue
if field == <FONT COLOR="#009900">'size'</FONT>:
if realValue == <FONT COLOR="#009900">'*'</FONT>:
realValue = _fontSize
realValue = str((realValue + sizeIncr) * 10)
rtn.append(realValue)
return string.join(rtn, <FONT COLOR="#009900">'-'</FONT>)
<STRONG>def logicalfontnames</STRONG>():
return fontInfo.keys()
_fontSize = 14
_fontFields = (
<FONT COLOR="#009900">'registry'</FONT>, <FONT COLOR="#009900">'foundry'</FONT>, <FONT COLOR="#009900">'family'</FONT>, <FONT COLOR="#009900">'weight'</FONT>, <FONT COLOR="#009900">'slant'</FONT>, <FONT COLOR="#009900">'width'</FONT>, <FONT COLOR="#009900">'style'</FONT>,
<FONT COLOR="#009900">'pixel'</FONT>, <FONT COLOR="#009900">'size'</FONT>, <FONT COLOR="#009900">'xres'</FONT>, <FONT COLOR="#009900">'yres'</FONT>, <FONT COLOR="#009900">'spacing'</FONT>, <FONT COLOR="#009900">'avgwidth'</FONT>, <FONT COLOR="#009900">'charset'</FONT>, <FONT COLOR="#009900">'encoding'</FONT>)
<FONT COLOR="#DD0000"># <propertyAliases> defines other names for which property values may</FONT>
<FONT COLOR="#DD0000"># be known by. This is required because italics in adobe-helvetica</FONT>
# are specified by <FONT COLOR="#009900">'o'</FONT>, while other fonts use <FONT COLOR="#009900">'i'</FONT>.
propertyAliases = {}
propertyAliases[None] = {
(<FONT COLOR="#009900">'slant'</FONT>, <FONT COLOR="#009900">'italic'</FONT>) : <FONT COLOR="#009900">'i'</FONT>,
(<FONT COLOR="#009900">'slant'</FONT>, <FONT COLOR="#009900">'normal'</FONT>) : <FONT COLOR="#009900">'r'</FONT>,
(<FONT COLOR="#009900">'weight'</FONT>, <FONT COLOR="#009900">'light'</FONT>) : <FONT COLOR="#009900">'normal'</FONT>,
(<FONT COLOR="#009900">'width'</FONT>, <FONT COLOR="#009900">'wide'</FONT>) : <FONT COLOR="#009900">'normal'</FONT>,
(<FONT COLOR="#009900">'width'</FONT>, <FONT COLOR="#009900">'condensed'</FONT>) : <FONT COLOR="#009900">'normal'</FONT>,
}
# <fontInfo> describes a <FONT COLOR="#009900">'logical'</FONT> font, giving the default values of
<FONT COLOR="#DD0000"># some of its properties.</FONT>
fontInfo = {}
fontInfo[<FONT COLOR="#009900">'Helvetica'</FONT>] = {
<FONT COLOR="#009900">'foundry'</FONT> : <FONT COLOR="#009900">'adobe'</FONT>,
<FONT COLOR="#009900">'family'</FONT> : <FONT COLOR="#009900">'helvetica'</FONT>,
<FONT COLOR="#009900">'registry'</FONT> : <FONT COLOR="#009900">''</FONT>,
<FONT COLOR="#009900">'charset'</FONT> : <FONT COLOR="#009900">'iso8859'</FONT>,
<FONT COLOR="#009900">'encoding'</FONT> : <FONT COLOR="#009900">'1'</FONT>,
<FONT COLOR="#009900">'spacing'</FONT> : <FONT COLOR="#009900">'p'</FONT>,
<FONT COLOR="#009900">'slant'</FONT> : <FONT COLOR="#009900">'normal'</FONT>,
<FONT COLOR="#009900">'width'</FONT> : <FONT COLOR="#009900">'normal'</FONT>,
<FONT COLOR="#009900">'weight'</FONT> : <FONT COLOR="#009900">'normal'</FONT>,
}
propertyAliases[<FONT COLOR="#009900">'Helvetica'</FONT>] = {
(<FONT COLOR="#009900">'slant'</FONT>, <FONT COLOR="#009900">'italic'</FONT>) : <FONT COLOR="#009900">'o'</FONT>,
(<FONT COLOR="#009900">'weight'</FONT>, <FONT COLOR="#009900">'normal'</FONT>) : <FONT COLOR="#009900">'medium'</FONT>,
(<FONT COLOR="#009900">'weight'</FONT>, <FONT COLOR="#009900">'light'</FONT>) : <FONT COLOR="#009900">'medium'</FONT>,
}
fontInfo[<FONT COLOR="#009900">'Times'</FONT>] = {
<FONT COLOR="#009900">'foundry'</FONT> : <FONT COLOR="#009900">'adobe'</FONT>,
<FONT COLOR="#009900">'family'</FONT> : <FONT COLOR="#009900">'times'</FONT>,
<FONT COLOR="#009900">'registry'</FONT> : <FONT COLOR="#009900">''</FONT>,
<FONT COLOR="#009900">'charset'</FONT> : <FONT COLOR="#009900">'iso8859'</FONT>,
<FONT COLOR="#009900">'encoding'</FONT> : <FONT COLOR="#009900">'1'</FONT>,
<FONT COLOR="#009900">'spacing'</FONT> : <FONT COLOR="#009900">'p'</FONT>,
<FONT COLOR="#009900">'slant'</FONT> : <FONT COLOR="#009900">'normal'</FONT>,
<FONT COLOR="#009900">'width'</FONT> : <FONT COLOR="#009900">'normal'</FONT>,
<FONT COLOR="#009900">'weight'</FONT> : <FONT COLOR="#009900">'normal'</FONT>,
}
propertyAliases[<FONT COLOR="#009900">'Times'</FONT>] = {
(<FONT COLOR="#009900">'weight'</FONT>, <FONT COLOR="#009900">'normal'</FONT>) : <FONT COLOR="#009900">'medium'</FONT>,
(<FONT COLOR="#009900">'weight'</FONT>, <FONT COLOR="#009900">'light'</FONT>) : <FONT COLOR="#009900">'medium'</FONT>,
}
fontInfo[<FONT COLOR="#009900">'Fixed'</FONT>] = {
<FONT COLOR="#009900">'foundry'</FONT> : <FONT COLOR="#009900">'misc'</FONT>,
<FONT COLOR="#009900">'family'</FONT> : <FONT COLOR="#009900">'fixed'</FONT>,
<FONT COLOR="#009900">'registry'</FONT> : <FONT COLOR="#009900">''</FONT>,
<FONT COLOR="#009900">'charset'</FONT> : <FONT COLOR="#009900">'iso8859'</FONT>,
<FONT COLOR="#009900">'encoding'</FONT> : <FONT COLOR="#009900">'1'</FONT>,
<FONT COLOR="#009900">'spacing'</FONT> : <FONT COLOR="#009900">'c'</FONT>,
<FONT COLOR="#009900">'slant'</FONT> : <FONT COLOR="#009900">'normal'</FONT>,
<FONT COLOR="#009900">'width'</FONT> : <FONT COLOR="#009900">'normal'</FONT>,
<FONT COLOR="#009900">'weight'</FONT> : <FONT COLOR="#009900">'normal'</FONT>,
}
propertyAliases[<FONT COLOR="#009900">'Fixed'</FONT>] = {
(<FONT COLOR="#009900">'weight'</FONT>, <FONT COLOR="#009900">'normal'</FONT>) : <FONT COLOR="#009900">'medium'</FONT>,
(<FONT COLOR="#009900">'weight'</FONT>, <FONT COLOR="#009900">'light'</FONT>) : <FONT COLOR="#009900">'medium'</FONT>,
(<FONT COLOR="#009900">'style'</FONT>, None) : <FONT COLOR="#009900">''</FONT>,
(<FONT COLOR="#009900">'width'</FONT>, <FONT COLOR="#009900">'condensed'</FONT>) : <FONT COLOR="#009900">'semicondensed'</FONT>,
}
fontInfo[<FONT COLOR="#009900">'Courier'</FONT>] = {
<FONT COLOR="#009900">'foundry'</FONT> : <FONT COLOR="#009900">'adobe'</FONT>,
<FONT COLOR="#009900">'family'</FONT> : <FONT COLOR="#009900">'courier'</FONT>,
<FONT COLOR="#009900">'registry'</FONT> : <FONT COLOR="#009900">''</FONT>,
<FONT COLOR="#009900">'charset'</FONT> : <FONT COLOR="#009900">'iso8859'</FONT>,
<FONT COLOR="#009900">'encoding'</FONT> : <FONT COLOR="#009900">'1'</FONT>,
<FONT COLOR="#009900">'spacing'</FONT> : <FONT COLOR="#009900">'m'</FONT>,
<FONT COLOR="#009900">'slant'</FONT> : <FONT COLOR="#009900">'normal'</FONT>,
<FONT COLOR="#009900">'width'</FONT> : <FONT COLOR="#009900">'normal'</FONT>,
<FONT COLOR="#009900">'weight'</FONT> : <FONT COLOR="#009900">'normal'</FONT>,
}
propertyAliases[<FONT COLOR="#009900">'Courier'</FONT>] = {
(<FONT COLOR="#009900">'weight'</FONT>, <FONT COLOR="#009900">'normal'</FONT>) : <FONT COLOR="#009900">'medium'</FONT>,
(<FONT COLOR="#009900">'weight'</FONT>, <FONT COLOR="#009900">'light'</FONT>) : <FONT COLOR="#009900">'medium'</FONT>,
(<FONT COLOR="#009900">'style'</FONT>, None) : <FONT COLOR="#009900">''</FONT>,
}
fontInfo[<FONT COLOR="#009900">'Typewriter'</FONT>] = {
<FONT COLOR="#009900">'foundry'</FONT> : <FONT COLOR="#009900">'b&h'</FONT>,
<FONT COLOR="#009900">'family'</FONT> : <FONT COLOR="#009900">'lucidatypewriter'</FONT>,
<FONT COLOR="#009900">'registry'</FONT> : <FONT COLOR="#009900">''</FONT>,
<FONT COLOR="#009900">'charset'</FONT> : <FONT COLOR="#009900">'iso8859'</FONT>,
<FONT COLOR="#009900">'encoding'</FONT> : <FONT COLOR="#009900">'1'</FONT>,
<FONT COLOR="#009900">'spacing'</FONT> : <FONT COLOR="#009900">'m'</FONT>,
<FONT COLOR="#009900">'slant'</FONT> : <FONT COLOR="#009900">'normal'</FONT>,
<FONT COLOR="#009900">'width'</FONT> : <FONT COLOR="#009900">'normal'</FONT>,
<FONT COLOR="#009900">'weight'</FONT> : <FONT COLOR="#009900">'normal'</FONT>,
}
propertyAliases[<FONT COLOR="#009900">'Typewriter'</FONT>] = {
(<FONT COLOR="#009900">'weight'</FONT>, <FONT COLOR="#009900">'normal'</FONT>) : <FONT COLOR="#009900">'medium'</FONT>,
(<FONT COLOR="#009900">'weight'</FONT>, <FONT COLOR="#009900">'light'</FONT>) : <FONT COLOR="#009900">'medium'</FONT>,
}
</PRE>
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