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path: root/Mac/Tools/IDE/FontSettings.py
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"""usage: 
newsettings = FontDialog(('Chicago', 0, 12, (0, 0, 0)))	# font name or id, style flags, size, color (color is ignored)
if newsettings:
	fontsettings, tabsettings = newsettings
	font, style, size, color = fontsettings	# 'font' is always the font name, not the id number
	# do something
"""

import W
import PyEdit
from Carbon import TextEdit
from Carbon import Qd
import string
import types
import sys
import MacOS
if hasattr(MacOS, "SysBeep"):
	SysBeep = MacOS.SysBeep
else:
	def SysBeep(*args):
		pass

_stylenames = ["Plain", "Bold", "Italic", "Underline", "Outline", "Shadow", "Condensed", "Extended"]


class _FontDialog:
	
	#def __del__(self):
	#	print "doei!"
	
	def __init__(self, fontsettings, tabsettings):
		leftmargin = 60
		leftmargin2 = leftmargin - 16
		self.w = W.ModalDialog((440, 180), 'Font settings')
		self.w.fonttitle = W.TextBox((10, 12, leftmargin2, 14), "Font:", TextEdit.teJustRight)
		self.w.pop = W.FontMenu((leftmargin, 10, 16, 16), self.setfont)
		self.w.fontname = W.TextBox((leftmargin + 20, 12, 150, 14))
		self.w.sizetitle = W.TextBox((10, 38, leftmargin2, 14), "Size:", TextEdit.teJustRight)
		self.w.sizeedit = W.EditText((leftmargin, 35, 40, 20), "", self.checksize)
		styletop = 64
		self.w.styletitle = W.TextBox((10, styletop + 2, leftmargin2, 14), "Style:", TextEdit.teJustRight)
		for i in range(len(_stylenames)):
			top = styletop + (i % 4) * 20
			left = leftmargin + 80 * (i > 3) - 2
			if i:
				self.w[i] = W.CheckBox((left, top, 76, 16), _stylenames[i], self.dostyle)
			else:
				self.w[i] = W.CheckBox((left, top, 70, 16), _stylenames[i], self.doplain)
		
		if tabsettings:
			self.lasttab, self.tabmode = tabsettings
			self.w.tabsizetitle = W.TextBox((10, -26, leftmargin2, 14), "Tabsize:", TextEdit.teJustRight)
			self.w.tabsizeedit = W.EditText((leftmargin, -29, 40, 20), "", self.checktab)
			self.w.tabsizeedit.set(`self.lasttab`)
			radiobuttons = []
			self.w.tabsizechars = W.RadioButton((leftmargin + 48, -26, 55, 14), "Spaces", 
					radiobuttons, self.toggletabmode)
			self.w.tabsizepixels = W.RadioButton((leftmargin + 110, -26, 55, 14), "Pixels", 
					radiobuttons, self.toggletabmode)
			if self.tabmode:
				self.w.tabsizechars.set(1)
			else:
				self.w.tabsizepixels.set(1)
		else:
			self.tabmode = None
		
		self.w.cancelbutton = W.Button((-180, -26, 80, 16), "Cancel", self.cancel)
		self.w.donebutton = W.Button((-90, -26, 80, 16), "Done", self.done)
		
		sampletext = "Sample text."
		self.w.sample = W.EditText((230, 10, -10, 130), sampletext, 
				fontsettings = fontsettings, tabsettings = tabsettings)
		
		self.w.setdefaultbutton(self.w.donebutton)
		self.w.bind('cmd.', self.w.cancelbutton.push)
		self.w.bind('cmdw', self.w.donebutton.push)
		self.lastsize = fontsettings[2]
		self._rv = None
		self.set(fontsettings)
		self.w.open()
	
	def toggletabmode(self, onoff):
		if self.w.tabsizechars.get():
			tabmode = 1
		else:
			tabmode = 0
		if self.tabmode <> tabmode:
			port = self.w.wid.GetWindowPort()
			(font, style, size, color), (tabsize, dummy) = self.get()
			savesettings = W.GetPortFontSettings(port)
			W.SetPortFontSettings(port, (font, style, size))
			spacewidth = Qd.StringWidth(' ')
			W.SetPortFontSettings(port, savesettings)
			if tabmode:
				# convert pixels to spaces
				self.lasttab = int(round(float(tabsize) / spacewidth))
			else:
				# convert spaces to pixels
				self.lasttab = spacewidth * tabsize
			self.w.tabsizeedit.set(`self.lasttab`)
			self.tabmode = tabmode
			self.doit()
	
	def set(self, fontsettings):
		font, style, size, color = fontsettings
		if type(font) <> types.StringType:
			from Carbon import Res
			res = Res.GetResource('FOND', font)
			font = res.GetResInfo()[2]
		self.w.fontname.set(font)
		self.w.sizeedit.set(str(size))
		if style:
			for i in range(1, len(_stylenames)):
				self.w[i].set(style & 0x01)
				style = style >> 1
		else:
			self.w[0].set(1)
	
	def get(self):
		font = self.w.fontname.get()
		style = 0
		if not self.w[0].get():
			flag = 0x01
			for i in range(1, len(_stylenames)):
				if self.w[i].get():
					style = style | flag
				flag = flag << 1
		size = self.lastsize
		if self.tabmode is None:
			return (font, style, size, (0, 0, 0)), (32, 0)
		else:
			return (font, style, size, (0, 0, 0)), (self.lasttab, self.tabmode)
	
	def doit(self):
		if self.w[0].get():
			style = 0
		else:
			style = 0
			for i in range(1, len(_stylenames)):
				if self.w[i].get():
					style = style | 2 ** (i - 1)
		#self.w.sample.set(`style`)
		fontsettings, tabsettings = self.get()
		self.w.sample.setfontsettings(fontsettings)
		self.w.sample.settabsettings(tabsettings)
	
	def checktab(self):
		tabsize = self.w.tabsizeedit.get()
		if not tabsize:
			return
		try:
			tabsize = string.atoi(tabsize)
		except (ValueError, OverflowError):
			good = 0
			sys.exc_traceback = None
		else:
			good = 1 <= tabsize <= 500
		if good:
			if self.lasttab <> tabsize:
				self.lasttab = tabsize
				self.doit()
		else:
			SysBeep(0)
			self.w.tabsizeedit.set(`self.lasttab`)
			self.w.tabsizeedit.selectall()
	
	def checksize(self):
		size = self.w.sizeedit.get()
		if not size:
			return
		try:
			size = string.atoi(size)
		except (ValueError, OverflowError):
			good = 0
			sys.exc_traceback = None
		else:
			good = 1 <= size <= 500
		if good:
			if self.lastsize <> size:
				self.lastsize = size
				self.doit()
		else:
			SysBeep(0)
			self.w.sizeedit.set(`self.lastsize`)
			self.w.sizeedit.selectall()
	
	def doplain(self):
		for i in range(1, len(_stylenames)):
			self.w[i].set(0)
		self.w[0].set(1)
		self.doit()
	
	def dostyle(self):
		for i in range(1, len(_stylenames)):
			if self.w[i].get():
				self.w[0].set(0)
				break
		else:
			self.w[0].set(1)
		self.doit()
	
	def close(self):
		self.w.close()
		del self.w
	
	def cancel(self):
		self.close()
	
	def done(self):
		self._rv = self.get()
		self.close()
	
	def setfont(self, fontname):
		self.w.fontname.set(fontname)
		self.doit()
	

def FontDialog(fontsettings, tabsettings = (32, 0)):
	fd = _FontDialog(fontsettings, tabsettings)
	return fd._rv

def test():
	print FontDialog(('Zapata-Light', 0, 25, (0, 0, 0)))