Finished support for theme loading.

Fixed several bugs regarding theme loading.

svn-id: r33728

gui/ListWidget.cpp

@@ -510,6 +510,8 @@ void ListWidget::reflowLayout() {
 		_entriesPerPage += (1 << 16);
 
 	_entriesPerPage >>= 16;
+	
+	assert(_entriesPerPage > 0);
 
 	delete[] _textWidth;
 	_textWidth = new int[_entriesPerPage];

gui/ThemeEval.h

@@ -377,7 +377,7 @@ public:
 	}
 
 	void debugDraw(Graphics::Surface *screen, const Graphics::Font *font) {
-		_layouts["Dialog.Launcher"]->debugDraw(screen, font);
+		_layouts["Dialog.Browser"]->debugDraw(screen, font);
 //		_layouts["Dialog.GameOptions_Graphics"]->debugDraw(screen, font);
 	}
 	

gui/ThemeRenderer.cpp

@@ -95,7 +95,7 @@ const ThemeRenderer::TextDataInfo ThemeRenderer::kTextDataDefaults[] = {
 };
 
 
-ThemeRenderer::ThemeRenderer(Common::String themeName, GraphicsMode mode) : 
+ThemeRenderer::ThemeRenderer(Common::String fileName, GraphicsMode mode) : 
 	_vectorRenderer(0), _system(0), _graphicsMode(kGfxDisabled), 
 	_screen(0), _backBuffer(0), _bytesPerPixel(0), _initOk(false), 
 	_themeOk(false), _enabled(false), _buffering(false) {
@@ -119,11 +119,9 @@ ThemeRenderer::ThemeRenderer(Common::String themeName, GraphicsMode mode) :
 	} else {
 		_font = FontMan.getFontByUsage(Graphics::FontManager::kGUIFont);
 	}
-	
-	ImageMan.addArchive(themeName + ".zip");
 
+	_themeFileName = fileName;
 	_initOk = true;
-	_themeName = themeName;
 }
 
 ThemeRenderer::~ThemeRenderer() {
@@ -134,12 +132,8 @@ ThemeRenderer::~ThemeRenderer() {
 	delete _parser;
 	delete _themeEval;
 	
-	for (ImagesMap::iterator i = _bitmaps.begin(); i != _bitmaps.end(); ++i) {
+	for (ImagesMap::iterator i = _bitmaps.begin(); i != _bitmaps.end(); ++i)
-//		delete i->_value;
 		ImageMan.unregisterSurface(i->_key);
-	}
-	
-	ImageMan.remArchive(_stylefile + ".zip");
 }
 
 bool ThemeRenderer::init() {
@@ -154,7 +148,7 @@ bool ThemeRenderer::init() {
 	}
 
 	if (isThemeLoadingRequired() || !_themeOk) {
-		loadTheme(_themeName);
+		loadTheme(_themeFileName);
 	}
 
 	return true;
@@ -170,6 +164,30 @@ void ThemeRenderer::deinit() {
 	}
 }
 
+void ThemeRenderer::unloadTheme() {
+	if (!_themeOk)
+		return;
+
+	for (int i = 0; i < kDrawDataMAX; ++i) {
+		delete _widgets[i];
+		_widgets[i] = 0;
+	}
+	
+	for (int i = 0; i < kTextDataMAX; ++i) {
+		delete _texts[i];
+		_texts[i] = 0;
+	}
+	
+	for (ImagesMap::iterator i = _bitmaps.begin(); i != _bitmaps.end(); ++i)
+		ImageMan.unregisterSurface(i->_key);
+
+	ImageMan.remArchive(_themeFileName + ".zip");
+
+	_themeName.clear();
+	_themeFileName.clear();
+	_themeOk = false;
+}
+
 void ThemeRenderer::clearAll() {
 	if (!_initOk)
 		return;
@@ -281,7 +299,6 @@ bool ThemeRenderer::addFont(const Common::String &fontId, const Common::String &
 
 bool ThemeRenderer::addBitmap(const Common::String &filename) {
 	if (_bitmaps.contains(filename)) {
-		delete _bitmaps[filename];
 		ImageMan.unregisterSurface(filename);
 	}
 	
@@ -309,14 +326,28 @@ bool ThemeRenderer::addDrawData(const Common::String &data, bool cached) {
 	return true;
 }
 
-bool ThemeRenderer::loadTheme(Common::String themeName) {
+bool ThemeRenderer::loadTheme(Common::String fileName) {
 	unloadTheme();
 
-	if (themeName == "builtin" && !loadDefaultXML())
+	if (fileName != "builtin") {	
-		error("Could not load default embeded theme.");
+		if (ConfMan.hasKey("themepath"))
+			Common::File::addDefaultDirectory(ConfMan.get("themepath"));
 
-	if (!loadThemeXML(themeName)) {
+#ifdef DATA_PATH
-		warning("Could not parse custom theme '%s'.\nFalling back to default theme", themeName.c_str());
+		Common::File::addDefaultDirectoryRecursive(DATA_PATH);
+#endif
+		if (ConfMan.hasKey("extrapath"))
+			Common::File::addDefaultDirectoryRecursive(ConfMan.get("extrapath"));
+		
+		ImageMan.addArchive(fileName + ".zip");
+	}
+
+	if (fileName == "builtin") {
+		if (!loadDefaultXML())
+			error("Could not load default embeded theme");
+	}
+	else if (!loadThemeXML(fileName)) {
+		warning("Could not parse custom theme '%s'.\nFalling back to default theme", fileName.c_str());
 		
 		if (!loadDefaultXML()) // if we can't load the embeded theme, this is a complete failure
 			error("Could not load default embeded theme");
@@ -333,9 +364,7 @@ bool ThemeRenderer::loadTheme(Common::String themeName) {
 		}
 	}
 	
-	// Debug print all the parsed variables. remove
+	_themeName = "DEBUG - A Theme name";
-	_themeEval->debugPrint();
-	
 	_themeOk = true;
 	return true;
 }
@@ -346,6 +375,8 @@ bool ThemeRenderer::loadDefaultXML() {
 	// file inside the themes directory.
 	// Use the Python script "makedeftheme.py" to convert a normal XML theme
 	// into the "default.inc" file, which is ready to be included in the code.
+
+#ifdef GUI_ENABLE_BUILTIN_THEME
 	const char *defaultXML =
 #include "themes/default.inc"
 	;
@@ -354,20 +385,14 @@ bool ThemeRenderer::loadDefaultXML() {
 		return false;
 
 	return parser()->parse();
+#else
+	warning("The built-in theme is not enabled in the current build. Please load an external theme");
+	return false;
+#endif
 }
 
 bool ThemeRenderer::loadThemeXML(Common::String themeName) {
 	assert(_parser);
-
-	if (ConfMan.hasKey("themepath"))
-		Common::File::addDefaultDirectory(ConfMan.get("themepath"));
-
-#ifdef DATA_PATH
-	Common::File::addDefaultDirectoryRecursive(DATA_PATH);
-#endif
-
-	if (ConfMan.hasKey("extrapath"))
-		Common::File::addDefaultDirectoryRecursive(ConfMan.get("extrapath"));
 		
  	if (!parser()->loadFile(themeName + ".stx")){
 #ifdef USE_ZLIB
@@ -821,9 +846,9 @@ void ThemeRenderer::updateScreen() {
 		
 	renderDirtyScreen();
 
-//	_vectorRenderer->fillSurface();
+	// _vectorRenderer->fillSurface();
-//	themeEval()->debugDraw(_screen, _font);
+	// themeEval()->debugDraw(_screen, _font);
-//	_vectorRenderer->copyWholeFrame(_system);
+	// _vectorRenderer->copyWholeFrame(_system);
 }
 
 void ThemeRenderer::renderDirtyScreen() {

gui/ThemeRenderer.h

@@ -216,7 +216,7 @@ public:
 	};
 	
 	/** Default constructor */
-	ThemeRenderer(Common::String themeName, GraphicsMode mode);
+	ThemeRenderer(Common::String fileName, GraphicsMode mode);
 
 	/** Default destructor */
 	~ThemeRenderer();
@@ -470,10 +470,11 @@ public:
 			
 		return 0;
 	}
-	
-	const Common::String &getThemeName() { return _themeName; }
 
 protected:
+
+	const Common::String &getThemeName() const { return _themeName; }
+	const Common::String &getThemeFileName() const { return _themeFileName; }
 	
 	/**
 	 *	Initializes the drawing screen surfaces, _screen and _backBuffer.
@@ -505,22 +506,7 @@ protected:
 	 *	Unloads the currently loaded theme so another one can
 	 *	be loaded.
 	 */
-	void unloadTheme() {
+	void unloadTheme();
-		if (!_themeOk)
-			return;
-
-		for (int i = 0; i < kDrawDataMAX; ++i) {
-			delete _widgets[i];
-			_widgets[i] = 0;
-		}
-		
-		for (int i = 0; i < kTextDataMAX; ++i) {
-			delete _texts[i];
-			_texts[i] = 0;
-		}
-
-		_themeOk = false;
-	}
 
 	/**
 	 * Not implemented yet.
@@ -710,6 +696,7 @@ protected:
 	bool _enabled; /** Whether the Theme is currently shown on the overlay */
 
 	Common::String _themeName; /** Name of the currently loaded theme */
+	Common::String _themeFileName;
 };
 
 } // end of namespace GUI.

gui/newgui.cpp

@@ -98,7 +98,7 @@ NewGui::NewGui() : _redrawStatus(kRedrawDisabled),
 		style = "builtin";
 		
 	//DEBUG:
-	style = "scummodern";
+//	style = "scummodern";
 
 	loadNewTheme(style);
 
@@ -110,11 +110,8 @@ NewGui::~NewGui() {
 	delete _theme;
 }
 
-bool NewGui::loadNewTheme(const Common::String &style) {
+bool NewGui::loadNewTheme(const Common::String &filename) {
-	Common::String styleType;
+	Common::String oldTheme = (_theme != 0) ? _theme->getThemeFileName() : "";
-	Common::ConfigFile cfg;
-
-	Common::String oldTheme = (_theme != 0) ? _theme->getThemeName() : "";
 
 	if (_theme)
 		_theme->disable();
@@ -127,7 +124,7 @@ bool NewGui::loadNewTheme(const Common::String &style) {
 	delete _theme;
 	_theme = 0;
 
-	_theme = new ThemeRenderer(style, GUI::ThemeRenderer::kGfxAntialias16bit);
+	_theme = new ThemeRenderer(filename, GUI::ThemeRenderer::kGfxAntialias16bit);
 
 	if (!_theme)
 		return (!oldTheme.empty() ? loadNewTheme(oldTheme) : false);

gui/options.cpp

@@ -907,7 +907,7 @@ void GlobalOptionsDialog::handleCommand(CommandSender *sender, uint32 cmd, uint3
 		if (browser.runModal() > 0) {
 			// User made his choice...
 			const Common::String &theme = browser.selected();
-			if (0 != theme.compareToIgnoreCase(g_gui.theme()->getStylefileName()))
+			if (0 != theme.compareToIgnoreCase(g_gui.theme()->getThemeFileName()))
 				if (g_gui.loadNewTheme(theme)) {
 					_curTheme->setLabel(g_gui.theme()->getThemeName());
 					ConfMan.set("gui_theme", theme);

gui/theme.h

@@ -370,12 +370,8 @@ public:
 
 	static bool themeConfigUseable(const Common::String &file, const Common::String &style="", Common::String *cStyle=0, Common::ConfigFile *cfg=0);
 
-	const Common::String &getStylefileName() const { return _stylefile; }
+	virtual const Common::String &getThemeFileName() const = 0;
-	virtual const Common::String &getThemeName() const { return _stylename; }
+	virtual const Common::String &getThemeName() const = 0;
-
-	virtual bool isDynamic() {
-		return false;
-	}	
 
 	/**
 	 * Checks if the theme renderer supports drawing of images.

gui/themebrowser.cpp

@@ -43,21 +43,21 @@ enum {
 // but for now this simple browser works,
 // also it will get its own theme config values
 // and not use 'browser_' anymore
-ThemeBrowser::ThemeBrowser() : Dialog("browser") {
+ThemeBrowser::ThemeBrowser() : Dialog("Browser") {
 	_fileList = 0;
 
-	new StaticTextWidget(this, "browser_headline", "Select a Theme");
+	new StaticTextWidget(this, "Browser.Headline", "Select a Theme");
 
 	// Add file list
-	_fileList = new ListWidget(this, "browser_list");
+	_fileList = new ListWidget(this, "Browser.List");
 	_fileList->setNumberingMode(kListNumberingOff);
 	_fileList->setEditable(false);
 
 	_fileList->setHints(THEME_HINT_PLAIN_COLOR);
 
 	// Buttons
-	new ButtonWidget(this, "browser_cancel", "Cancel", kCloseCmd, 0);
+	new ButtonWidget(this, "Browser.Cancel", "Cancel", kCloseCmd, 0);
-	new ButtonWidget(this, "browser_choose", "Choose", kChooseCmd, 0);
+	new ButtonWidget(this, "Browser.Choose", "Choose", kChooseCmd, 0);
 }
 
 void ThemeBrowser::open() {
@@ -91,9 +91,8 @@ void ThemeBrowser::updateListing() {
 
 	// classic is always build in
 	Entry th;
-	th.name = "Classic (Builtin)";
+	th.name = "Modern Development Theme (Builtin) - WIP";
-	th.type = "Classic";
+	th.file = "builtin";
-	th.file = "Classic (Builtin)";
 	_themes.push_back(th);
 
 	// we are using only the paths 'themepath', 'extrapath', DATA_PATH and '.'
@@ -172,10 +171,11 @@ void ThemeBrowser::addDir(ThList &list, const Common::String &dir, int level) {
 }
 
 bool ThemeBrowser::isTheme(const FilesystemNode &node, Entry &out) {
-	Common::ConfigFile cfg;
-	Common::String type;
-
 	out.file = node.getName();
+	
+	if (!out.file.hasSuffix(".zip") && !out.file.hasSuffix(".stx"))
+		return false;
+	
 	for (int i = out.file.size()-1; out.file[i] != '.' && i > 0; --i) {
 		out.file.deleteLastChar();
 	}
@@ -184,14 +184,13 @@ bool ThemeBrowser::isTheme(const FilesystemNode &node, Entry &out) {
 	if (out.file.empty())
 		return false;
 
-	if (!Theme::themeConfigUseable(out.file, "", &type, &cfg))
+// TODO: Check if theme is usable.
-		return false;
+//	if (!Theme::themeConfigUseable(out.file, "", &type, &cfg))
+//		return false;
 
-	out.type = type;
+//	if (cfg.hasKey("name", "theme"))
-
+//		cfg.getKey("name", "theme", out.name);
-	if (cfg.hasKey("name", "theme"))
+//	else
-		cfg.getKey("name", "theme", out.name);
-	else
 		out.name = out.file;
 
 	return true;

gui/themebrowser.h

@@ -46,7 +46,6 @@ public:
 private:
 	struct Entry {
 		Common::String name;
-		Common::String type;
 		Common::String file;
 	};