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/* ScummVM - Scumm Interpreter
* Copyright (C) 2002-2004 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/str.h"
#include "common/system.h" // For events
#include "gui/font.h"
// Uncomment the following to enable the new font code:
//#define NEW_FONT_CODE
namespace GUI {
class Dialog;
#define hLine(x, y, x2, color) line(x, y, x2, y, color);
#define vLine(x, y, y2, color) line(x, y, x, y2, color);
#define g_gui (GUI::NewGui::instance())
// Height of a single text line
#ifdef NEW_FONT_CODE
#define g_guifont g_sysfont
#else
#define g_guifont g_scummfont
#endif
#define kLineHeight (g_guifont.getFontHeight() + 2)
// Extremly simple stack class, doesn't even do any error checking (for now)
class DialogStack {
protected:
Dialog *_stack[10]; // Anybody nesting dialogs deeper than 4 is mad anyway
int _size;
public:
DialogStack() : _size(0) {}
bool empty() const { return _size <= 0; }
void push(Dialog *d) { _stack[_size++] = d; }
Dialog *top() const { return _stack[_size - 1]; }
void pop() { if (_size > 0) _stack[--_size] = 0; }
int size() const { return _size; }
Dialog *operator [](int i) { return _stack[i]; }
};
/**
* GUI manager singleton.
*/
class NewGui : public Common::Singleton<NewGui> {
typedef Common::String String;
friend class Dialog;
friend class Common::Singleton<NewGui>;
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() { return ! _dialogStack.empty(); }
protected:
OSystem *_system;
Surface _screen;
int _screenPitch;
bool _needRedraw;
DialogStack _dialogStack;
bool _stateIsSaved;
// 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();
public:
// Theme colors
OverlayColor _color, _shadowcolor;
OverlayColor _bgcolor;
OverlayColor _textcolor;
OverlayColor _textcolorhi;
// Drawing primitives
OverlayColor *getBasePtr(int x, int y);
void box(int x, int y, int width, int height, OverlayColor colorA, OverlayColor colorB);
void line(int x, int y, int x2, 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 checkerRect(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);
int getStringWidth(const String &str);
int getCharWidth(byte c);
void drawString(const String &str, int x, int y, int w, OverlayColor color, TextAlignment align = kTextAlignLeft, int deltax = 0, bool useEllipsis = true);
void blitFromBuffer(int x, int y, int w, int h, const byte *buf, int pitch);
void blitToBuffer(int x, int y, int w, int h, byte *buf, int pitch);
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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