--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/engine/extensions/pychan/internal.py	Sat Mar 14 12:13:29 2009 +0000
@@ -0,0 +1,208 @@
+# coding: utf-8
+
+from compat import guichan, in_fife
+import widgets
+import fonts
+from exceptions import *
+from traceback import print_exc
+
+def get_manager():
+	"""
+	Get the manager from inside pychan.
+
+	To avoid cyclic imports write::
+	   from internal import get_manager
+	"""
+	return Manager.manager
+
+def screen_width():
+	return get_manager().hook.screen_width
+
+def screen_height():
+	return get_manager().hook.screen_height
+
+class Manager(object):
+	manager = None
+
+	def __init__(self, hook, debug = False):
+		super(Manager,self).__init__()
+		self.hook = hook
+		self.debug = debug
+
+		if in_fife:
+			if not hook.engine.getEventManager():
+				raise InitializationError("No event manager installed.")
+			if not hook.engine.getGuiManager():
+				raise InitializationError("No GUI manager installed.")
+
+		self.fonts = {}
+		#glyphs = ' abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789.,!?-+/:();%`\'*#=[]"'
+		self.fonts['default'] = hook.default_font
+
+		self.styles = {}
+		self.addStyle('default',DEFAULT_STYLE)
+
+                Manager.manager = self
+
+		# Setup synchronous dialogs
+		self.mainLoop = None
+		self.breakFromMainLoop = None
+		self.can_execute = False
+
+		# Autopos
+		from autoposition import placeWidget
+		self.placeWidget = placeWidget
+
+	def setupModalExecution(self,mainLoop,breakFromMainLoop):
+		"""
+		Setup synchronous execution of dialogs.
+		"""
+		self.mainLoop = mainLoop
+		self.breakFromMainLoop = breakFromMainLoop
+		self.can_execute = True
+
+	def show(self,widget):
+		"""
+		Shows a widget on screen. Used by L{Widget.show} - do not use directly.
+		"""
+		self.placeWidget(widget, widget.position_technique)
+		self.hook.add_widget( widget.real_widget )
+
+	def hide(self,widget):
+		"""
+		Hides a widget again. Used by L{Widget.hide} - do not use directly.
+		"""
+		self.hook.remove_widget( widget.real_widget )
+
+	def setDefaultFont(self,name):
+		self.fonts['default'] = self.getFont(name)
+
+	def getFont(self,name):
+		"""
+		B{pending deprecation}
+
+		Returns a GuiFont identified by its name.
+
+		@param name: A string identifier from the font definitions in pychans config files.
+		"""
+		if in_fife:
+			font = self.fonts.get(name)
+			if isinstance(font,guichan.GuiFont):
+				return font
+			if hasattr(font,"font") and isinstance(getattr(font,"font"),guichan.GuiFont):
+				return font.font
+			return fonts.parseFontSpec(name)
+		else:
+			return self.hook.get_font(name)
+
+	def addFont(self,font):
+		"""
+		B{deprecated}
+
+		Add a font to the font registry. It's not necessary to call this directly.
+		But it expects a L{Font} instance and throws an L{InitializationError}
+		otherwise.
+
+		@param font: A L{Font} instance.
+		"""
+		if not isinstance(font,fonts.Font):
+			raise InitializationError("PyChan Manager expected a fonts.Font instance, not %s." % repr(font))
+		self.fonts[font.name] = font
+
+	def addStyle(self,name,style):
+		style = self._remapStyleKeys(style)
+
+		for k,v in self.styles.get('default',{}).items():
+			style[k] = style.get(k,v)
+		self.styles[name] = style
+
+	def stylize(self,widget, style, **kwargs):
+		style = self.styles[style]
+		for k,v in style.get('default',{}).items():
+			v = kwargs.get(k,v)
+			setattr(widget,k,v)
+
+		cls = widget.__class__
+		for applicable,specstyle in style.items():
+			if not isinstance(applicable,tuple):
+				applicable = (applicable,)
+			if cls in applicable:
+				for k,v in specstyle.items():
+					v = kwargs.get(k,v)
+					setattr(widget,k,v)
+
+	def _remapStyleKeys(self,style):
+		# Remap class names, create copy:
+		def _toClass(class_):
+			if class_ == "default":
+				return class_
+
+			if type(class_) == type(widgets.Widget) and issubclass(class_,widgets.Widget):
+				return class_
+			if not widgets.WIDGETS.has_key(str(class_)):
+				raise InitializationError("Can't resolve %s to a widget class." % repr(class_))
+			return widgets.WIDGETS[str(class_)]
+
+		style_copy = {}
+		for k,v in style.items():
+			if isinstance(k,tuple):
+				new_k = tuple(map(_toClass,k))
+			else:
+				new_k = _toClass(k)
+			style_copy[new_k] = v
+		return style_copy
+
+	def loadImage(self,filename):
+		if not filename:
+			  raise InitializationError("Empty Image file.")
+		return self.hook.load_image(filename)
+
+# Default Widget style.
+
+DEFAULT_STYLE = {
+	'default' : {
+		'border_size': 0,
+		'margins': (0,0),
+		'base_color' : guichan.Color(28,28,28),
+		'foreground_color' : guichan.Color(255,255,255),
+		'background_color' : guichan.Color(50,50,50),
+	},
+	'Button' : {
+		'border_size': 2,
+		'margins' : (5,2),
+		'min_size' : (15,10),
+	},
+	'CheckBox' : {
+		'border_size': 0,
+	},
+	'RadioButton' : {
+		'border_size': 0,
+		'background_color' : guichan.Color(0,0,0),
+	},
+	'Label' : {
+		'border_size': 0,
+	},
+	'ClickLabel' : {
+		'border_size': 0,
+	},
+	'ListBox' : {
+		'border_size': 0,
+	},
+	'Window' : {
+		'border_size': 0,
+		'margins': (5,5),
+		'opaque' : 1,
+		'titlebar_height' : 12,
+		'vexpanding' : 1,
+		#'background_image' : 'gui/backgrounds/background.png',
+		#'font' : 'samanata_large'
+	},
+	'TextBox' : {
+	},
+	('Container','HBox','VBox') : {
+		'border_size': 0,
+		'margins': (0,0),
+		'padding':2,
+		#'background_image' : 'gui/backgrounds/background.png',
+	}
+}
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