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/* ScummVM - Scumm Interpreter
* Copyright (C) 2002-2006 The ScummVM project
*
* 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/theme.h"
class OSystem;
namespace GUI {
class Dialog;
class Eval;
#define g_gui (GUI::NewGui::instance())
// Height of a single text line
#define kLineHeight (g_gui.getFontHeight() + 2)
using Graphics::TextAlignment;
using Graphics::kTextAlignCenter;
using Graphics::kTextAlignLeft;
using Graphics::kTextAlignRight;
// Simple dialog stack class
// Anybody nesting dialogs deeper than 4 is mad anyway
typedef Common::FixedStack<Dialog *> DialogStack;
/**
* GUI manager singleton.
*/
class NewGui : public Common::Singleton<NewGui> {
typedef Common::String String;
friend class Dialog;
friend class Common::Singleton<SingletonBaseType>;
NewGui();
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(const Common::String &file);
Theme *theme() { return _theme; }
Eval *evaluator() { return _theme->_evaluator; }
const Graphics::Font &getFont(Theme::FontStyle style = Theme::kFontStyleBold) const { return *(_theme->getFont(style)); }
int getFontHeight(Theme::FontStyle style = Theme::kFontStyleBold) const { return _theme->getFontHeight(style); }
int getStringWidth(const Common::String &str, Theme::FontStyle style = Theme::kFontStyleBold) const { return _theme->getStringWidth(str, style); }
int getCharWidth(byte c, Theme::FontStyle style = Theme::kFontStyleBold) const { return _theme->getCharWidth(c, style); }
WidgetSize getWidgetSize();
void clearDragWidget();
void screenChange();
protected:
OSystem *_system;
Theme *_theme;
bool _needRedraw;
int _lastScreenChangeID;
DialogStack _dialogStack;
bool _stateIsSaved;
bool _useStdCursor;
// for continuous events (keyDown)
struct {
uint16 ascii;
byte flags;
int keycode;
} _currentKeyDown;
uint32 _keyRepeatTime;
// 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;
};
} // End of namespace GUI
#endif
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