Re #752 (CEGUIDemo) Loading menu done (before the Results menu) + reworked menu instances life cycle management

git-svn-id: https://svn.code.sf.net/p/speed-dreams/code/trunk@5114 30fe4595-0a0c-4342-8851-515496e4dcbd

Former-commit-id: 3d6c5093c2a6b4194db702feb5a8316c5934e467
Former-commit-id: ee943ac7d22df3c2f23d95ce4177cfc8f4136998

src/tools/ceguidemo/ceguidemo.project

@@ -1,26 +1,27 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
-<Project CEGUIDefaultResolution="800x600" CEGUIVersion="0.7" baseDirectory="." fontsPath="datafiles/fonts" imagesetsPath="datafiles/imagesets" layoutsPath="datafiles/layouts" looknfeelsPath="datafiles/looknfeels" schemesPath="datafiles/schemes" version="CEED Project 1" xmlSchemasPath="datafiles/xml_schemas">
+<Project CEGUIDefaultResolution="800x600" CEGUIVersion="0.7" baseDirectory="." fontsPath="datafiles/fonts" imagesetsPath="datafiles/imagesets" layoutsPath="datafiles/layouts" looknfeelsPath="datafiles/looknfeels" schemesPath="datafiles/schemes" version="CEED Project 1" xmlSchemasPath="datafiles/xml_schemas">
-    <Items>
+    <Items>
-        <Item name="ImageSets" type="folder">
+        <Item name="ImageSets" type="folder">
-            <Item path="datafiles/imagesets/ceguidemolook.imageset" type="file" />
+            <Item path="datafiles/imagesets/ceguidemolook.imageset" type="file" />
-            <Item path="datafiles/imagesets/sd-logo.imageset" type="file" />
+            <Item path="datafiles/imagesets/sd-logo.imageset" type="file" />
-            <Item path="datafiles/imagesets/splash-carselect.imageset" type="file" />
+            <Item path="datafiles/imagesets/splash-carselect.imageset" type="file" />
-            <Item path="datafiles/imagesets/splash-credits.imageset" type="file" />
+            <Item path="datafiles/imagesets/splash-credits.imageset" type="file" />
-            <Item path="datafiles/imagesets/splash-main.imageset" type="file" />
+            <Item path="datafiles/imagesets/splash-main.imageset" type="file" />
-            <Item path="datafiles/imagesets/splash-options.imageset" type="file" />
+            <Item path="datafiles/imagesets/splash-options.imageset" type="file" />
-            <Item path="datafiles/imagesets/splash-trackselect.imageset" type="file" />
+            <Item path="datafiles/imagesets/splash-trackselect.imageset" type="file" />
-        </Item>
+        </Item>
-        <Item name="Layouts" type="folder">
+        <Item name="Layouts" type="folder">
-            <Item path="datafiles/layouts/dialogokcancel.layout" type="file" />
+            <Item path="datafiles/layouts/dialogokcancel.layout" type="file" />
-            <Item path="datafiles/layouts/menucarselect.layout" type="file" />
+            <Item path="datafiles/layouts/menucarselect.layout" type="file" />
-            <Item path="datafiles/layouts/menucredits.layout" type="file" />
+            <Item path="datafiles/layouts/menucredits.layout" type="file" />
-            <Item path="datafiles/layouts/menumain.layout" type="file" />
+            <Item path="datafiles/layouts/menumain.layout" type="file" />
-            <Item path="datafiles/layouts/menuoptions.layout" type="file" />
+            <Item path="datafiles/layouts/menuoptions.layout" type="file" />
-            <Item path="datafiles/layouts/menutrackselect.layout" type="file" />
+            <Item path="datafiles/layouts/menuprofiles.layout" type="file" />
-            <Item path="datafiles/layouts/menuprofiles.layout" type="file" />
+            <Item path="datafiles/layouts/menutrackselect.layout" type="file" />
-        </Item>
+            <Item path="datafiles/layouts/menuloading.layout" type="file" />
-        <Item name="Schemes" type="folder">
+        </Item>
-            <Item path="datafiles/schemes/ceguidemo.scheme" type="file" />
+        <Item name="Schemes" type="folder">
-        </Item>
+            <Item path="datafiles/schemes/ceguidemo.scheme" type="file" />
-    </Items>
+        </Item>
+    </Items>
 </Project>

src/tools/ceguidemo/datafiles/imagesets/ceguidemolook.imageset

@@ -41,11 +41,10 @@
     <Image Height="6" Name="StaticBottomLeft" Width="6" XPos="74" YPos="335" />
     <Image Height="6" Name="StaticBottomRight" Width="6" XPos="96" YPos="335" />
     <Image Height="6" Name="StaticBackdrop" Width="6" XPos="85" YPos="324" />
-    <Image Height="12" Name="ProgressBarLeft" Width="7" XPos="71" YPos="74" />
+    <Image Height="12" Name="ProgressBarLeft" Width="8" XPos="75" YPos="355" />
-    <Image Height="12" Name="ProgressBarMiddle" Width="6" XPos="80" YPos="74" />
+    <Image Height="12" Name="ProgressBarMiddle" Width="8" XPos="83" YPos="355" />
-    <Image Height="12" Name="ProgressBarRight" Width="6" XPos="88" YPos="74" />
+    <Image Height="12" Name="ProgressBarRight" Width="8" XPos="91" YPos="355" />
-    <Image Height="12" Name="ProgressBarDimSegment" Width="8" XPos="96" YPos="74" />
+    <Image Height="12" Name="ProgressBarLitSegment" Width="8" XPos="100" YPos="355" />
-    <Image Height="12" Name="ProgressBarLitSegment" Width="8" XPos="106" YPos="74" />
     <Image Height="18" Name="EditBoxLeft" Width="4" XPos="234" YPos="219" />
     <Image Height="18" Name="EditBoxMiddle" Width="4" XPos="240" YPos="219" />
     <Image Height="18" Name="EditBoxRight" Width="4" XPos="246" YPos="219" />

src/tools/ceguidemo/datafiles/imagesets/splash-loading.imageset

@@ -0,0 +1,4 @@
+<?xml version="1.0" ?>
+<Imageset Name="SplashLoading" AutoScaled="true" Imagefile="splash-loading.jpg" NativeHorzRes="800" NativeVertRes="600">
+    <Image Name="everything" Height="800" Width="1280" XPos="0" YPos="0" />
+</Imageset>

src/tools/ceguidemo/datafiles/layouts/menuloading.layout

@@ -0,0 +1,47 @@
+<GUILayout>
+    <Window Name="MenuLoading" Type="CEGUIDemo/StaticImage">
+        <Property Name="UnifiedAreaRect" Value="{{0,0},{0,0},{1,0},{1,0}}" />
+        <Property Name="Image" Value="set:SplashLoading image:everything" />
+        <Property Name="UnifiedMaxSize" Value="{{1,0},{1,0}}" />
+        <Property Name="FrameEnabled" Value="False" />
+        <Property Name="BackgroundEnabled" Value="False" />
+        <Window Name="MenuLoading/ImgLogo" Type="CEGUIDemo/StaticImage">
+            <Property Name="UnifiedAreaRect" Value="{{0,0},{0,0},{0.3,0},{0.25,0}}" />
+            <Property Name="Image" Value="set:Logo image:everything" />
+            <Property Name="UnifiedMaxSize" Value="{{1,0},{1,0}}" />
+            <Property Name="Tooltip" Value="What a nice logo !" />
+            <Property Name="FrameEnabled" Value="False" />
+            <Property Name="BackgroundEnabled" Value="False" />
+        </Window>
+        <Window Name="MenuLoading/TxtTitle" Type="CEGUIDemo/PageTitle">
+            <Property Name="UnifiedAreaRect" Value="{{0.22,0},{0.1,0},{0.92,0},{0.2,0}}" />
+            <Property Name="Font" Value="MenuTitle" />
+            <Property Name="Text" Value="Loading ..." />
+            <Property Name="UnifiedMaxSize" Value="{{1,0},{1,0}}" />
+            <Property Name="Tooltip" Value="Yeah, this is the title of the menu !" />
+            <Property Name="FrameEnabled" Value="False" />
+        </Window>
+        <Window Name="MenuLoading/TxtFrameRate" Type="CEGUIDemo/StaticText">
+            <Property Name="UnifiedAreaRect" Value="{{0.95,0},{0.01,0},{0.99,0},{0.04,0}}" />
+            <Property Name="Font" Value="TextSmall" />
+            <Property Name="Text" Value="99.9" />
+            <Property Name="UnifiedMaxSize" Value="{{1,0},{1,0}}" />
+            <Property Name="TextColours" Value="tl:FFFFFFFF tr:FFC0C0C0 bl:FF808080 br:FF606060" />
+            <Property Name="Tooltip" Value="Frame rate (F/s)" />
+            <Property Name="FrameEnabled" Value="False" />
+            <Property Name="HorzFormatting" Value="RightAligned" />
+            <Property Name="VertFormatting" Value="TopAligned" />
+            <Property Name="BackgroundEnabled" Value="False" />
+        </Window>
+        <Window Name="MenuLoading/PrbProgress" Type="CEGUIDemo/ProgressBar">
+            <Property Name="UnifiedAreaRect" Value="{{0.1,0},{0.9,0},{0.9,0},{0.95,0}}" />
+            <Property Name="StepSize" Value="0.01" />
+            <Property Name="Tooltip" Value="Current loading work progress" />
+        </Window>
+        <Window Name="MenuLoading/ScpMessages" Type="CEGUIDemo/ScrollablePane">
+            <Property Name="UnifiedAreaRect" Value="{{0.1,0},{0.27,0},{0.9,0},{0.87,0}}" />
+            <Property Name="Font" Value="MenuMedium" />
+            <Property Name="Tooltip" Value="Loading messages" />
+        </Window>
+    </Window>
+</GUILayout>

src/tools/ceguidemo/datafiles/looknfeels/ceguidemo.looknfeel

@@ -1,4 +1,8 @@
 <?xml version="1.0" ?>
+<!-- 
+  CEGUI demo application look & feel for checking if CEGUI could be used for Speed Dreams menus
+  Note: Heavily based on Falagard's look & feel (from CEGUI 0.7.5).
+-->
 <Falagard>
     <!--
     ***************************************************

src/tools/ceguidemo/datafiles/schemes/ceguidemo.scheme

@@ -8,6 +8,7 @@
 	<Imageset Filename="splash-credits.imageset" />
 	<Imageset Filename="splash-options.imageset" />
 	<Imageset Filename="splash-profiles.imageset" />
+	<Imageset Filename="splash-loading.imageset" />
 	<Imageset Filename="splash-okcancel.imageset" />
 	<Font Name="MenuSmall" Filename="menu-small.font" />
 	<Font Name="MenuMedium" Filename="menu-medium.font" />

src/tools/ceguidemo/dialogs.py

@@ -26,7 +26,7 @@ class DialogOKCancel(object):
 
 	singleton = None
 
-	def getSingleton():
+	def instance():
 	
 		if not DialogOKCancel.singleton:
 			DialogOKCancel.singleton = DialogOKCancel()
@@ -35,7 +35,7 @@ class DialogOKCancel(object):
 			
 		return DialogOKCancel.singleton
 
-	getSingleton = staticmethod(getSingleton)
+	instance = staticmethod(instance)
 	
 	def __init__(self):
 

src/tools/ceguidemo/gui.py

@@ -17,7 +17,8 @@ import PyCEGUI
 
 # Import: User
 from errors import InitializationError
-from menumain import MenuMain
+from menufactory import MenuFactory
+from menumanager import MenuManager
 
 # Import: Configuration
 from configuration import TheConfig
@@ -74,11 +75,13 @@ class GUI(object):
 			self.initializeResources()
 			self.initializeDefaults()
 			
+			MenuFactory.initialize()
+		
 		except Exception, msg:
 			
 			raise InitializationError(msg)
 
 	# Setup: Interface
 	def setupInterface(self):
-		
+
-		MenuMain.instance().activate()
+		MenuManager.get("Main").activate()

src/tools/ceguidemo/menu.py

@@ -171,10 +171,6 @@ class Menu(object):
 		if previous:
 			self.prevMenu = previous
 
-		# Initialize frame rate data.
-		self.nFrames = 0
-		self.lastTime = glutGet(GLUT_ELAPSED_TIME)
-		
 	# Return to the previous menu.
 	def switchTo(self, menu):
 	
@@ -193,13 +189,13 @@ class Menu(object):
 	# Update frame rate indicator.
 	def onUpdate(self, winArgs): # Bug: Not an UpdateEventArgs, but a WindowEventArgs !
 	
-		thisTime = glutGet(GLUT_ELAPSED_TIME)
+		self.currTime = glutGet(GLUT_ELAPSED_TIME)
-		elapsed = (thisTime - self.lastTime) / 1000.0
+		elapsed = (self.currTime - self.lastTime) / 1000.0
 		self.nFrames += 1
 		if elapsed >= 1.0: # Skidding mean for each second
 			self.txtFrameRate.setText("%4.1f" % (self.nFrames / elapsed))
 			self.nFrames = 0
-			self.lastTime = thisTime
+			self.lastTime = self.currTime
 
 	def onKeyDown(self, keyArgs):
 		
@@ -211,7 +207,13 @@ class Menu(object):
 	def onActivated(self, args):
 			
 		print("%s.onActivated" % self.__class__.__name__)
+
 		#self.connectHandlers()
+
+		# Initialize frame rate data.
+		self.nFrames = 0
+		self.currTime = self.lastTime = glutGet(GLUT_ELAPSED_TIME)
+		
 		return False
 
 	def onDeactivated(self, args):

src/tools/ceguidemo/menucarselect.py

@@ -18,15 +18,14 @@ import PyCEGUI
 from configuration import TheConfig
 
 # Import: Menu
-from menustandard import MenuStandard
+from menustandard import MenuStandard 
-from menucredits import MenuCredits
+from menumanager import MenuManager
-from menuoptions import MenuOptions
+
-from menuprofiles import MenuProfiles
-from menuresults import MenuResults
 
 # Car selection menu
 class MenuCarSelect(MenuStandard):
 
+	# Static cars data.
 	Car = collections.namedtuple("Car", "name, topSpeed, acceleration, cornering, skins")
 
 	Cars = \
@@ -60,12 +59,24 @@ class MenuCarSelect(MenuStandard):
 		}
 	}
 
+	# Singleton pattern.
+	singleton = None
+
+	def instance():
+	
+		if not MenuCarSelect.singleton:
+			MenuCarSelect.singleton = MenuCarSelect()
+			MenuCarSelect.singleton.initialize()
+			MenuCarSelect.singleton.setup()
+			
+		return MenuCarSelect.singleton
+
+	instance = staticmethod(instance)
+
 	def __init__(self):
 
-		MenuStandard.__init__(self, MenuCredits, MenuOptions, MenuProfiles)
+		MenuStandard.__init__(self)
 	
-		self.menuResults = None
-
 	# Initialize
 	def initialize(self):
 
@@ -141,12 +152,7 @@ class MenuCarSelect(MenuStandard):
 	# Handler: buttonClicked
 	def onStartButtonClicked(self, args):
 
-		if not self.menuResults:
+		self.switchTo(MenuManager.get("Loading"))
-			self.menuResults = MenuResults()
-			self.menuResults.initialize()
-			self.menuResults.setup()
-
-		self.menuResults.activate(previous=self)
 
 	def onBackButtonClicked(self, args):
 

src/tools/ceguidemo/menucredits.py

@@ -24,7 +24,7 @@ class MenuCredits(Menu):
 
 	singleton = None
 
-	def getSingleton():
+	def instance():
 	
 		if not MenuCredits.singleton:
 			MenuCredits.singleton = MenuCredits()
@@ -33,7 +33,7 @@ class MenuCredits(Menu):
 			
 		return MenuCredits.singleton
 
-	getSingleton = staticmethod(getSingleton)
+	instance = staticmethod(instance)
 
 	def __init__(self):
 

src/tools/ceguidemo/menufactory.py

@@ -0,0 +1,38 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+
+"""Menu factory.
+
+
+"""
+
+# Import: Menus manager
+from menumanager import MenuManager
+
+# Import: Menus
+from menucredits import MenuCredits
+from menuoptions import MenuOptions
+from menuprofiles import MenuProfiles
+from menumain import MenuMain
+from menutrackselect import MenuTrackSelect
+from menucarselect import MenuCarSelect
+from menuloading import MenuLoading
+from menuresults import MenuResults
+
+
+class MenuFactory:
+
+	def initialize():
+
+		MenuManager.register("Credits",  MenuCredits.instance)
+		MenuManager.register("Options",  MenuOptions.instance)
+		MenuManager.register("Profiles", MenuProfiles.instance)
+
+		MenuManager.register("Main",        MenuMain.instance)
+		MenuManager.register("TrackSelect", MenuTrackSelect.instance)
+		MenuManager.register("CarSelect",   MenuCarSelect.instance)
+		MenuManager.register("Loading",     MenuLoading.instance)
+		MenuManager.register("Results",     MenuResults.instance)
+
+	initialize = staticmethod(initialize)

src/tools/ceguidemo/menuloading.py

@@ -0,0 +1,170 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+
+"""Loading menu.
+
+
+"""
+
+# Import: std
+import sys
+import time
+import collections
+
+# Import: PyCEGUI
+import PyCEGUI
+
+# Import: Configuration
+from configuration import TheConfig
+
+# Import: Menu
+from menu import Menu
+from menumanager import MenuManager
+
+
+# Loading menu
+class MenuLoading(Menu):
+
+	# Static data.
+	Msg = collections.namedtuple("Msg", "time, dur, txt")
+
+	Messages = \
+		(Msg(time= 0.0, dur=0.1, txt="Loading Forza track by A. Sumner (5784m long, 11m wide)"),
+		 Msg(time= 0.1, dur=0.9, txt="Determining starting order"),
+		 Msg(time= 1.0, dur=1.0, txt="Preparing starting grid"),
+		 Msg(time= 2.0, dur=2.0, txt="Loading physics engine (Simu V2.1)"),
+		 Msg(time= 4.0, dur=1.0, txt="Loading Aarne Fisher driver (Boxer 96)"),
+		 Msg(time= 5.0, dur=1.0, txt="Loading Jacky Graham driver (Spirit 300)"),
+		 Msg(time= 6.0, dur=1.0, txt="Loading Tony Davis driver (Cavallo 360)"),
+		 Msg(time= 7.0, dur=2.0, txt="Loading graphics for Forza track"),
+		 Msg(time= 9.0, dur=1.0, txt="Running pre-start"),
+		 Msg(time=10.0, dur=2.0, txt="Loading graphics for all cars"),
+		 Msg(time=12.0, dur=1.0, txt="Loading sounds for all cars"),
+		 Msg(time=13.0, dur=1.0, txt="Ready"),
+		 Msg(time=14.0, dur=1.0, txt="Set"),
+		 Msg(time=15.0, dur=1.0, txt="Go"),
+		 Msg(time=16.0, dur=0.0, txt="Now, you should be racing"))
+	
+	# Singleton pattern.
+	singleton = None
+
+	def instance():
+	
+		if not MenuLoading.singleton:
+			MenuLoading.singleton = MenuLoading()
+			MenuLoading.singleton.initialize()
+			MenuLoading.singleton.setup()
+			
+		return MenuLoading.singleton
+
+	instance = staticmethod(instance)
+
+	def __init__(self):
+
+		Menu.__init__(self)
+	
+	# Initialize
+	def initialize(self):
+
+		name = "MenuLoading"
+
+		# No code written for this menu : use mandatory layout.
+		window = Menu.initialize(self, name=name, title="Loading", layout="menuloading")
+			
+		# Retrieve window descendants created here.
+		self.prbProgress = window.getChild(name + "/PrbProgress")
+		self.scpMessages = window.getChild(name + "/ScpMessages")
+		
+		# Complete widget initialization.
+
+		return window
+
+	# connectHandlers
+	# - Wrapper method to define the subscription/listener relationships.
+	# - If there are a lot, it may behoove the coder to encapsulate them in methods, then call those methods here.
+	def connectHandlers(self):
+
+		# Inherited connections.
+		Menu.connectHandlers(self)
+
+		# Specific connections.
+		# None (onUpdate inherited).
+
+	def onActivated(self, args):
+			
+		print("%s.onActivated" % self.__class__.__name__)
+
+		sts = Menu.onActivated(self, args)
+
+		self.actTime = self.currTime
+		self.curInd = -1
+
+		if self.scpMessages.getContentPane().getChildCount() > 0:
+			for ind in range(len(self.Messages)):
+				txtChld = self.scpMessages.getContentPane().getChild("MenuLoading/ScpMessages/Msg%d" % ind)
+				self.scpMessages.getContentPane().removeChildWindow(txtChld)
+				txtChld.destroy()
+		
+		self.prbProgress.setProgress(0)
+
+		return sts
+		
+	def onUpdate(self, args):
+
+		Menu.onUpdate(self, args)
+
+		sinceAct = (self.currTime - self.actTime) / 1000.0
+		
+		#print("Since=%.2f, curr=%d" % (sinceAct, self.curInd))
+
+		if self.curInd < 0 \
+		   or (sinceAct > self.Messages[self.curInd].time + self.Messages[self.curInd].dur):
+
+			# Next message : if none left, wait a little, and then switch to next menu. 
+			if self.curInd == len(self.Messages) - 1:
+
+				if sinceAct > self.Messages[self.curInd].time + self.Messages[self.curInd].dur + 2.0:
+					self.switchTo(MenuManager.get("Results"))
+				else:
+					self.prbProgress.hide()
+					time.sleep(0.01) # Let the CPU keep cool (no hurry).
+
+			# Next message : if at least one left ... 
+			else:
+
+				self.curInd = self.curInd + 1
+				
+				# Create and add the static text for the new message.
+				scpItem = PyCEGUI.WindowManager.getSingleton().createWindow("CEGUIDemo/StaticText", "MenuLoading/ScpMessages/Msg%d" % self.curInd)
+				scpItem.setText(self.Messages[self.curInd].txt + " ...")
+				scpItem.setProperty("FrameEnabled", "false")
+				scpItem.setProperty("BackgroundEnabled", "false")
+				scpItem.setXPosition(PyCEGUI.UDim(0.0, 0.0))
+				scpItem.setYPosition(PyCEGUI.UDim(1.0 + self.curInd * 0.10, 0.0))
+				scpItem.setWidth(PyCEGUI.UDim(1.0, 0.0))
+				scpItem.setHeight(PyCEGUI.UDim(0.10, 0.0))
+				self.scpMessages.addChildWindow(scpItem)
+
+				# Adjust alpha for all messages.
+				nChildren = self.scpMessages.getContentPane().getChildCount()
+				for chldInd in range(nChildren):
+					txtChld = self.scpMessages.getContentPane().getChildAtIdx(chldInd)
+					txtChld.setAlpha(0.85 ** (nChildren - 1 - chldInd))
+				
+				# Scroll down to show the added static text.
+				self.scpMessages.setVerticalScrollPosition(1.0)
+
+				# Hide any scrollbar (might get shown after every call to addChildWindow).
+				self.scpMessages.getVertScrollbar().hide()
+				self.scpMessages.getHorzScrollbar().hide()
+
+				# Reset progress-bar.
+				self.prbProgress.setProgress(0)
+				self.prbProgress.show()
+
+		else:
+
+			# Update progress-bar.
+			progress = (sinceAct - self.Messages[self.curInd].time) / self.Messages[self.curInd].dur
+			self.prbProgress.setProgress(progress)

src/tools/ceguidemo/menumain.py

@@ -16,16 +16,14 @@ import PyCEGUI
 # Import: Configuration
 from configuration import TheConfig
 
-# Import: Menu
+# Import: Menus
 from menustandard import MenuStandard
-from menucredits import MenuCredits
+from menumanager import MenuManager
-from menuoptions import MenuOptions
-from menuprofiles import MenuProfiles
-from menutrackselect import MenuTrackSelect
 
 # Main menu
 class MenuMain(MenuStandard):
 
+	# Singleton pattern.
 	singleton = None
 
 	def instance():
@@ -41,10 +39,8 @@ class MenuMain(MenuStandard):
 
 	def __init__(self):
 
-		MenuStandard.__init__(self, MenuCredits, MenuOptions, MenuProfiles)
+		MenuStandard.__init__(self)
 
-		self.menuTrackSelect = None
-	
 	# Initialize
 	def initialize(self):
 
@@ -142,21 +138,12 @@ class MenuMain(MenuStandard):
 	# Handler: buttonClicked
 	def onPracticeButtonClicked(self, args):
 
-		self.activateTrackSelectMenu()
+		self.switchTo(MenuManager.get("TrackSelect"))
 
 	def onQuickRaceButtonClicked(self, args):
 
-		self.activateTrackSelectMenu()
+		self.switchTo(MenuManager.get("TrackSelect"))
 
 	def onSingleEventButtonClicked(self, args):
 
-		self.activateTrackSelectMenu()
+		self.switchTo(MenuManager.get("TrackSelect"))
-
-	def activateTrackSelectMenu(self):
-
-		if not self.menuTrackSelect:
-			self.menuTrackSelect = MenuTrackSelect()
-			self.menuTrackSelect.initialize()
-			self.menuTrackSelect.setup()
-
-		self.switchTo(self.menuTrackSelect)

src/tools/ceguidemo/menumanager.py

@@ -0,0 +1,24 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+
+"""Menu manager.
+
+A dictionary of menu instance() functions (see MenuFactory)
+"""
+
+class MenuManager:
+	
+	menus = { }
+
+	def register(menuName, menuFactory):
+	
+		MenuManager.menus[menuName] = menuFactory
+
+	register = staticmethod(register)
+
+	def get(menuName):
+	
+		return MenuManager.menus[menuName]()
+	
+	get = staticmethod(get)

src/tools/ceguidemo/menuoptions.py

@@ -24,7 +24,7 @@ class MenuOptions(Menu):
 
 	singleton = None
 
-	def getSingleton():
+	def instance():
 	
 		if not MenuOptions.singleton:
 			MenuOptions.singleton = MenuOptions()
@@ -33,7 +33,7 @@ class MenuOptions(Menu):
 			
 		return MenuOptions.singleton
 
-	getSingleton = staticmethod(getSingleton)
+	instance = staticmethod(instance)
 
 	def __init__(self):
 

src/tools/ceguidemo/menuprofiles.py

@@ -22,9 +22,10 @@ from menu import Menu
 # Profiles menu
 class MenuProfiles(Menu):
 
+	# Singleton pattern.
 	singleton = None
 
-	def getSingleton():
+	def instance():
 	
 		if not MenuProfiles.singleton:
 			MenuProfiles.singleton = MenuProfiles()
@@ -33,7 +34,7 @@ class MenuProfiles(Menu):
 			
 		return MenuProfiles.singleton
 
-	getSingleton = staticmethod(getSingleton)
+	instance = staticmethod(instance)
 
 	def __init__(self):
 

src/tools/ceguidemo/menuresults.py

@@ -16,12 +16,14 @@ import PyCEGUI
 # Import: Configuration
 from configuration import TheConfig
 
-# Import: Menu
+# Import: Menus
 from menu import Menu
+from menumanager import MenuManager
 
 # Results menu
 class MenuResults(Menu):
 
+	# Static data.
 	CIdRank = 0
 	CIdAdvance = 1
 	CIdDriver = 2
@@ -44,9 +46,10 @@ class MenuResults(Menu):
 		(6, -4, "Don Nelson", "USR", "Lynx 220", "39:15:559", "1:20.602", 36, 285, 4500, 4),
 	]
 
+	# Singleton pattern.
 	singleton = None
 
-	def getSingleton():
+	def instance():
 	
 		if not MenuResults.singleton:
 			MenuResults.singleton = MenuResults()
@@ -55,7 +58,7 @@ class MenuResults(Menu):
 			
 		return MenuResults.singleton
 
-	getSingleton = staticmethod(getSingleton)
+	instance = staticmethod(instance)
 
 	def __init__(self):
 
@@ -119,7 +122,7 @@ class MenuResults(Menu):
 
 	def onContinueButtonClicked(self, args):
 
-		self.back()
+		self.switchTo(MenuManager.get("Main"))
 
 	def onKeyDown(self, keyArgs):
 

src/tools/ceguidemo/menustandard.py

@@ -15,26 +15,21 @@ import sys
 # Import: PyCEGUI
 import PyCEGUI
 
-# Import: Menu
+# Import: Menus and dialogs
 from menu import Menu
 from dialogs import DialogOKCancel
 
+# Import: MenuManager
+from menumanager import MenuManager
+
 
 # Standard menu
 class MenuStandard(Menu):
 
-	def __init__(self, clsMenuCredits, clsMenuOptions, clsMenuProfiles):
+	def __init__(self):
 	
 		Menu.__init__(self)
 
-		self.clsMenuCredits = clsMenuCredits
-		self.clsMenuOptions = clsMenuOptions
-		self.clsMenuProfiles = clsMenuProfiles
-		
-		self.menuCredits = None
-		self.menuProfiles = None
-		self.menuOptions = None
-
 	# Initialize
 	def initialize(self, name, title=None, layout=None, background=None):
 
@@ -117,19 +112,19 @@ class MenuStandard(Menu):
 	# Handlers
 	def onCreditsButtonClicked(self, args):
 
-		self.switchTo(self.clsMenuCredits.getSingleton())
+		self.switchTo(MenuManager.get("Credits"))
 
 	def onProfilesButtonClicked(self, args):
 
-		self.switchTo(self.clsMenuProfiles.getSingleton())
+		self.switchTo(MenuManager.get("Profiles"))
 
 	def onOptionsButtonClicked(self, args):
 
-		self.switchTo(self.clsMenuOptions.getSingleton())
+		self.switchTo(MenuManager.get("Options"))
 
 	def onExitButtonClicked(self, args):
 
-		DialogOKCancel.getSingleton().show(self.window, self.onOKCancelClosed, "Really quit ?")
+		DialogOKCancel.instance().show(self.window, self.onOKCancelClosed, "Really quit ?")
 
 	def onOKCancelClosed(self, reallyQuit=False):
 

src/tools/ceguidemo/menutrackselect.py

@@ -19,14 +19,13 @@ from configuration import TheConfig
 
 # Import: Menu
 from menustandard import MenuStandard
-from menucredits import MenuCredits
+from menumanager import MenuManager
-from menuoptions import MenuOptions
+
-from menuprofiles import MenuProfiles
-from menucarselect import MenuCarSelect
 
 # Track selection menu
 class MenuTrackSelect(MenuStandard):
 
+	# Static data.
 	Track = collections.namedtuple("Track", "name, description, authors, length, width, nPits, outline, preview")
 	
 	Tracks = \
@@ -74,12 +73,24 @@ class MenuTrackSelect(MenuStandard):
 		}
 	}
 
+	# Singleton pattern.
+	singleton = None
+
+	def instance():
+	
+		if not MenuTrackSelect.singleton:
+			MenuTrackSelect.singleton = MenuTrackSelect()
+			MenuTrackSelect.singleton.initialize()
+			MenuTrackSelect.singleton.setup()
+			
+		return MenuTrackSelect.singleton
+
+	instance = staticmethod(instance)
+
 	def __init__(self):
 
-		MenuStandard.__init__(self, MenuCredits, MenuOptions, MenuProfiles)
+		MenuStandard.__init__(self)
 
-		self.menuCarSelect = None
-	
 	# Initialize
 	def initialize(self):
 
@@ -136,12 +147,7 @@ class MenuTrackSelect(MenuStandard):
 	# Handler: buttonClicked
 	def onNextButtonClicked(self, args):
 
-		if not self.menuCarSelect:
+		self.switchTo(MenuManager.get("CarSelect"))
-			self.menuCarSelect = MenuCarSelect()
-			self.menuCarSelect.initialize()
-			self.menuCarSelect.setup()
-
-		self.menuCarSelect.activate(previous=self)
 
 	def onBackButtonClicked(self, args):