From da757aa2ca1c086ae2f123dc6636d17655b512c7 Mon Sep 17 00:00:00 2001
From: Vicent Marti
Date: Mon, 9 Jun 2008 21:16:26 +0000
Subject: InterfaceManager is now a singleton

svn-id: r32640
---
 base/main.cpp            |  4 +---
 gui/InterfaceManager.cpp | 19 +++++++++++++------
 gui/InterfaceManager.h   | 21 +++++++++++++++------
 3 files changed, 29 insertions(+), 15 deletions(-)

diff --git a/base/main.cpp b/base/main.cpp
index be0c84bb1c..45e0aef728 100644
--- a/base/main.cpp
+++ b/base/main.cpp
@@ -70,9 +70,7 @@ static bool launcherDialog(OSystem &system) {
 
 #if 1
 
-	GUI::InterfaceManager iManager(&system, GUI::InterfaceManager::kGfxStandard16bit);
-
-	iManager.runGUI();
+	g_InterfaceManager.runGUI();
 	return true;
 
 #else
diff --git a/gui/InterfaceManager.cpp b/gui/InterfaceManager.cpp
index 822b7094b3..ffe19dbe9c 100644
--- a/gui/InterfaceManager.cpp
+++ b/gui/InterfaceManager.cpp
@@ -32,10 +32,20 @@
 #include "gui/InterfaceManager.h"
 #include "graphics/VectorRenderer.h"
 
+DECLARE_SINGLETON(GUI::InterfaceManager);
+
 namespace GUI {
 
 using namespace Graphics;
 
+InterfaceManager::InterfaceManager() : 
+	_vectorRenderer(0), _system(0), _graphicsMode(kGfxDisabled), 
+	_screen(0), _bytesPerPixel(0) {
+	_system = g_system;
+
+	setGraphicsMode(kGfxStandard16bit);
+}
+
 template<typename PixelType> 
 void InterfaceManager::screenInit() {
 	freeScreen();
@@ -53,10 +63,6 @@ void InterfaceManager::setGraphicsMode(Graphics_Mode mode) {
 
 	switch (mode) {
 	case kGfxStandard16bit:
-		_bytesPerPixel = sizeof(uint16);
-		screenInit<uint16>();
-		break;
-
 	case kGfxAntialias16bit:
 		_bytesPerPixel = sizeof(uint16);
 		screenInit<uint16>();
@@ -70,8 +76,8 @@ void InterfaceManager::setGraphicsMode(Graphics_Mode mode) {
 	_vectorRenderer->setSurface(_screen);
 }
 
-void InterfaceManager::init() {
-
+bool InterfaceManager::init() {
+	return false;
 }
 
 void InterfaceManager::drawWidgetBackground(int x, int y, uint16 hints, WidgetBackground background, WidgetStateInfo state, float scale){
@@ -168,6 +174,7 @@ int InterfaceManager::runGUI() {
 
 		_vectorRenderer->setFillMode(VectorRenderer::kFillGradient);
 		_vectorRenderer->setFgColor(0, 0, 0);
+		_vectorRenderer->setBgColor(128, 64, 255);
 		_vectorRenderer->drawTriangle(32, 32, 64, 64, VectorRenderer::kTriangleUp);
 
 		_vectorRenderer->drawBeveledSquare(128, 128, 256, 64, 4);
diff --git a/gui/InterfaceManager.h b/gui/InterfaceManager.h
index c7e96103c0..ff8eee3de0 100644
--- a/gui/InterfaceManager.h
+++ b/gui/InterfaceManager.h
@@ -37,10 +37,14 @@
 
 namespace GUI {
 
+#define g_InterfaceManager	(GUI::InterfaceManager::instance())
+
 struct WidgetDrawData;
 class InterfaceManager;
 
-class InterfaceManager {
+class InterfaceManager : public Common::Singleton<InterfaceManager> {
+
+	friend class Common::Singleton<SingletonBaseType>;
 
 public:
 	enum Graphics_Mode {
@@ -107,12 +111,15 @@ public:
 		kTextAlignRight		//! Text should be aligned to the right
 	};
 
+	//! Function used to process areas other than the current dialog
+	enum ShadingStyle {
+		kShadingNone,		//! No special post processing
+		kShadingDim,		//! Dimming unused areas
+		kShadingLuminance	//! Converting colors to luminance for unused areas
+	};
 
-	InterfaceManager(OSystem *system, Graphics_Mode mode) : _vectorRenderer(0), 
-		_system(system), _graphicsMode(kGfxDisabled), _screen(0), _bytesPerPixel(0) {
 
-		setGraphicsMode(mode);
-	}
+	InterfaceManager();
 
 	~InterfaceManager() {
 		freeRenderer();
@@ -121,7 +128,9 @@ public:
 
 	void setGraphicsMode(Graphics_Mode mode);
 	int runGUI();
-	void init();
+
+	bool init();
+	bool deinit();
 
 	/** Font management */
 	const Graphics::Font *getFont(FontStyle font) const { return _font; }
-- 
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