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/* ScummVM - Scumm Interpreter
* Copyright (C) 2002-2005 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header$
*/
#ifndef NEWGUI_H
#define NEWGUI_H
#include "common/scummsys.h"
#include "common/singleton.h"
#include "common/stack.h"
#include "common/str.h"
#include "common/system.h" // For events
#include "graphics/fontman.h"
namespace GUI {
class Dialog;
#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(); }
int getScaleFactor() const { return _scaleFactor; }
void enableScaling(bool enable) { _scaleEnable = enable; updateScaleFactor(); }
protected:
OSystem *_system;
Graphics::Surface _screen;
int _screenPitch;
int _scaleFactor;
bool _scaleEnable;
bool _needRedraw;
DialogStack _dialogStack;
bool _stateIsSaved;
const Graphics::Font *_font;
// 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
bool _oldCursorMode;
int _cursorAnimateCounter;
int _cursorAnimateTimer;
byte _cursor[2048];
void saveState();
void restoreState();
void openDialog(Dialog *dialog);
void closeTopDialog();
void loop();
void animateCursor();
void updateColors();
void updateScaleFactor();
OverlayColor *getBasePtr(int x, int y);
public:
// Theme colors
OverlayColor _color, _shadowcolor;
OverlayColor _bgcolor;
OverlayColor _textcolor;
OverlayColor _textcolorhi;
// Font
const Graphics::Font &getFont() const;
// Drawing primitives
void box(int x, int y, int width, int height, OverlayColor colorA, OverlayColor colorB);
void hLine(int x, int y, int x2, OverlayColor color);
void vLine(int x, int y, int y2, OverlayColor color);
void blendRect(int x, int y, int w, int h, OverlayColor color, int level = 3);
void fillRect(int x, int y, int w, int h, OverlayColor color);
void frameRect(int x, int y, int w, int h, OverlayColor color);
void drawChar(byte c, int x, int y, OverlayColor color, const Graphics::Font *font = 0);
void drawString(const String &str, int x, int y, int w, OverlayColor color, Graphics::TextAlignment align = Graphics::kTextAlignLeft, int deltax = 0, bool useEllipsis = true);
int getStringWidth(const String &str) const;
int getCharWidth(byte c) const;
int getFontHeight() const;
void drawBitmap(uint32 *bitmap, int x, int y, OverlayColor color, int h = 8);
void addDirtyRect(int x, int y, int w, int h);
};
} // End of namespace GUI
#endif
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