diff engine/extensions/pychan/manager.py @ 0:4a0efb7baf70

* Datasets becomes the new trunk and retires after that :-)
author mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
date Sun, 29 Jun 2008 18:44:17 +0000
parents
children 9a1529f9625e
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line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/engine/extensions/pychan/manager.py	Sun Jun 29 18:44:17 2008 +0000
@@ -0,0 +1,176 @@
+# coding: utf-8
+
+import fife
+import widgets
+import fonts
+from exceptions import *
+
+class Manager(fife.IWidgetListener):
+	manager = None
+
+	def __init__(self, engine, debug = False):
+		super(Manager,self).__init__()
+		self.engine = engine
+		self.debug = debug
+
+		if not self.engine.getEventManager():
+			raise InitializationError("No event manager installed.")
+		if not self.engine.getGuiManager():
+			raise InitializationError("No GUI manager installed.")
+		
+		self.guimanager = engine.getGuiManager()
+		self.fonts = {}
+		#glyphs = ' abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789.,!?-+/:();%`\'*#=[]"'
+		self.fonts['default'] = self.engine.getDefaultFont()
+		
+		self.styles = {}
+		self.addStyle('default',DEFAULT_STYLE)
+		
+		self.widgetEvents = {}
+		self.engine.getEventManager().addWidgetListener(self)
+                Manager.manager = self
+
+		self.mainLoop = None
+		self.breakFromMainLoop = None
+		self.can_execute = True
+
+	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.
+		"""
+		if widget.position_technique == "automatic":
+			w,h = self.engine.getSettings().getScreenWidth(), self.engine.getSettings().getScreenHeight()
+			widget.position = (w-widget.width)/2,(h-widget.height)/2
+		self.guimanager.add( widget.real_widget )
+
+	def hide(self,widget):
+		"""
+		Hides a widget again. Used by L{Widget.hide} - do not use directly.
+		"""
+		self.guimanager.remove( widget.real_widget )
+
+	def getFont(self,name):
+		"""
+		Returns a GuiFont identified by its name.
+		
+		@param name: A string identifier from the font definitions in pychans config files.
+		"""
+		font = self.fonts.get(name)
+		
+		# For the default font directly return it,
+		# otherwise the GuiFont is in the font attribute.
+		return getattr(font,"font",font)
+
+	def addFont(self,font):
+		"""
+		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):
+		return fife.GuiImage(self.engine.imagePool.addResourceFromFile(filename),self.engine.imagePool)
+
+	def defaultWidgetAction(self,event):
+		if self.debug:
+			print "Event(%s) received." % event.getId()
+
+	def onWidgetAction(self, event):
+		#print event.getId(),self.widgetEvents
+		handler = self.widgetEvents.get( event.getId(), self.defaultWidgetAction )
+		handler( event )
+
+# Default Widget style.
+
+DEFAULT_STYLE = {
+	'default' : {
+		'border_size': 1,
+		'margins': (0,0),
+		'base_color' : fife.Color(0,0,100),
+		'foreground_color' : fife.Color(255,255,255),
+		'background_color' : fife.Color(0,0,0),
+	},
+	'Button' : {
+		'border_size': 0,
+		'margins' : (10,5),
+	},
+	('CheckBox','RadioButton') : {
+		'border_size': 0,
+	},
+	'TextBox' : {
+		'border_size' : 0,
+	},
+	'Label' : {
+		'border_size': 0,
+	},
+	'ListBox' : {
+		'border_size': 0,
+	},
+	'Window' : {
+		'border_size': 1,
+		'margins': (5,5),
+	},
+	('Container','HBox','VBox') : {
+		'border_size': 0,
+		'opaque' : False
+	},
+	'Icon' : {
+		'border_size' : 0
+	}
+}