[MessageManager] Added MenuStartP1 and MenuStartP2 messages.

[ScreenSelectMaster] Broadcast MenuStartP# messages; allow themers to handle the MenuStartP# message on screenless items.

Docs/Changelog_sm-ssc.txt

@@ -13,6 +13,13 @@ _____________________________________________________________________________
 sm-ssc v1.2 | 201012xx
 --------------------------------------------------------------------------------
 
+20101220
+--------
+* [Actor] Add bezier (_fallback/02 Actor.lua) [FSX]
+* [MessageManager] Added MenuStartP1 and MenuStartP2 messages.  [freem]
+* [ScreenSelectMaster] Broadcast MenuStartP# messages; allow themers to handle
+  the MenuStartP# message on screenless items. [freem]
+
 20101219
 --------
 * [WheelNotifyIcon] add BlinkPlayersBest metric. [freem]

src/MessageManager.cpp

@@ -52,6 +52,8 @@ static const char *MessageIDNames[] = {
 	"MenuLeftP2",
 	"MenuRightP1",
 	"MenuRightP2",
+	"MenuStartP1",
+	"MenuStartP2",
 	"MenuSelectionChanged",
 	"PlayerJoined",
 	"PlayerUnjoined",

src/MessageManager.h

@@ -49,6 +49,8 @@ enum MessageID
 	Message_MenuLeftP2,
 	Message_MenuRightP1,
 	Message_MenuRightP2,
+	Message_MenuStartP1,
+	Message_MenuStartP2,
 	Message_MenuSelectionChanged,
 	Message_PlayerJoined,
 	Message_PlayerUnjoined,

src/ScreenSelectMaster.cpp

@@ -785,7 +785,6 @@ void ScreenSelectMaster::MenuStart( const InputEventPlus &input )
 		return;
 	}
 
-
 	const GameCommand &mc = m_aGameCommands[m_iChoice[pn]];
 
 	/* If no options are playable, then we're just waiting for one to become available.
@@ -802,6 +801,11 @@ void ScreenSelectMaster::MenuStart( const InputEventPlus &input )
 	if( mc.m_sScreen.empty() )
 	{
 		mc.ApplyToAllPlayers();
+		// We want to be able to broadcast a Start message to the theme, in
+		// case a themer wants to handle something. -aj
+		// TODO: Find a way to differentiate this from the message below, for
+		// less ambiguousness?
+		MESSAGEMAN->Broadcast( (MessageID)(Message_MenuStartP1+pn) );
 		return;
 	}
 
@@ -825,7 +829,11 @@ void ScreenSelectMaster::MenuStart( const InputEventPlus &input )
 	}
 
 	if( bAllDone )
+	{
+		// broadcast MenuStart just like MenuLeft/Right/etc.
+		MESSAGEMAN->Broadcast( (MessageID)(Message_MenuStartP1+pn) );
 		this->PostScreenMessage( SM_BeginFadingOut, fSecs );// tell our owner it's time to move on
+	}
 }
 
 /* We want all items to always run OnCommand and either GainFocus or LoseFocus