1 files changed, 151 insertions, 0 deletions
diff --git a/gui/GuiManager.h b/gui/GuiManager.h
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index 0000000000..c2ec61dd34
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+++ b/gui/GuiManager.h
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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ */
+
+#ifndef NEWGUI_H
+#define NEWGUI_H
+
+#include "common/scummsys.h"
+#include "common/singleton.h"
+#include "common/stack.h"
+#include "common/str.h"
+#include "graphics/fontman.h"
+
+#include "gui/widget.h"
+
+#include "gui/ThemeEngine.h"
+
+class OSystem;
+
+namespace GUI {
+
+class Dialog;
+class Eval;
+class ThemeEval;
+
+#define g_gui	(GUI::GuiManager::instance())
+
+
+// Height of a single text line
+#define kLineHeight	(g_gui.getFontHeight() + 2)
+
+
+
+// Simple dialog stack class
+// Anybody nesting dialogs deeper than 4 is mad anyway
+typedef Common::FixedStack<Dialog *> DialogStack;
+
+
+/**
+ * GUI manager singleton.
+ */
+class GuiManager : public Common::Singleton<GuiManager> {
+	friend class Dialog;
+	friend class Common::Singleton<SingletonBaseType>;
+	GuiManager();
+	~GuiManager();
+public:
+
+	// Main entry for the GUI: this will start an event loop that keeps running
+	// until no dialogs are active anymore.
+	void runLoop();
+
+	bool isActive() const	{ return ! _dialogStack.empty(); }
+
+	bool loadNewTheme(Common::String file, ThemeEngine::GraphicsMode gfx = ThemeEngine::kGfxDisabled);
+	ThemeEngine *theme() { return _theme; }
+
+	ThemeEval *xmlEval() { return _theme->getEvaluator(); }
+
+	const Graphics::Font &getFont(ThemeEngine::FontStyle style = ThemeEngine::kFontStyleBold) const { return *(_theme->getFont(style)); }
+	int getFontHeight(ThemeEngine::FontStyle style = ThemeEngine::kFontStyleBold) const { return _theme->getFontHeight(style); }
+	int getStringWidth(const Common::String &str, ThemeEngine::FontStyle style = ThemeEngine::kFontStyleBold) const { return _theme->getStringWidth(str, style); }
+	int getCharWidth(byte c, ThemeEngine::FontStyle style = ThemeEngine::kFontStyleBold) const { return _theme->getCharWidth(c, style); }
+
+	/**
+	 * Tell the GuiManager to check whether the screen resolution has changed.
+	 * If that is the case, the GuiManager will reload/refresh the active theme.
+	 *
+	 * @return true if the a screen change indeed occurred, false otherwise
+	 */
+	bool checkScreenChange();
+
+protected:
+	enum RedrawStatus {
+		kRedrawDisabled = 0,
+		kRedrawOpenDialog,
+		kRedrawCloseDialog,
+		kRedrawTopDialog,
+		kRedrawFull
+	};
+
+
+
+	OSystem			*_system;
+
+	ThemeEngine		*_theme;
+
+//	bool		_needRedraw;
+	RedrawStatus _redrawStatus;
+	int			_lastScreenChangeID;
+	DialogStack	_dialogStack;
+
+	bool		_stateIsSaved;
+
+	bool		_useStdCursor;
+
+	// position and time of last mouse click (used to detect double clicks)
+	struct {
+		int16 x, y;	// Position of mouse when the click occured
+		uint32 time;	// Time
+		int count;	// How often was it already pressed?
+	} _lastClick;
+
+	// mouse cursor state
+	int		_cursorAnimateCounter;
+	int		_cursorAnimateTimer;
+	byte		_cursor[2048];
+
+	bool _themeChange;
+
+	void saveState();
+	void restoreState();
+
+	void openDialog(Dialog *dialog);
+	void closeTopDialog();
+
+	void redraw();
+
+	void loop();
+
+	void setupCursor();
+	void animateCursor();
+
+	Dialog *getTopDialog() const;
+
+	void screenChange();
+};
+
+} // End of namespace GUI
+
+#endif