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dialog.h

/* 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: /cvsroot/scummvm/scummvm/gui/dialog.h,v 1.28.2.1 2004/12/30 13:14:04 fingolfin Exp $
 */

#ifndef DIALOG_H
#define DIALOG_H

#include "common/scummsys.h"
#include "common/str.h"

#include "gui/object.h"

namespace GUI {

class NewGui;
class ButtonWidget;

// Some "common" commands sent to handleCommand()
enum {
      kCloseCmd = 'clos'
};

class Dialog : public GuiObject {
      friend class NewGui;
protected:
      Widget      *_mouseWidget;
      Widget  *_focusedWidget;
      Widget  *_dragWidget;
      bool  _visible;

private:
      int         _result;

public:
      Dialog(int x, int y, int w, int h);
      virtual ~Dialog();

      virtual int runModal();

      bool  isVisible() const { return _visible; }

      void  releaseFocus();

protected:
      virtual void open();
      virtual void close();
      
      virtual void draw();
      virtual void drawDialog();

      virtual void handleTickle(); // Called periodically (in every guiloop() )
      virtual void handleMouseDown(int x, int y, int button, int clickCount);
      virtual void handleMouseUp(int x, int y, int button, int clickCount);
      virtual void handleMouseWheel(int x, int y, int direction);
      virtual void handleKeyDown(uint16 ascii, int keycode, int modifiers);
      virtual void handleKeyUp(uint16 ascii, int keycode, int modifiers);
      virtual void handleMouseMoved(int x, int y, int button);
      virtual void handleCommand(CommandSender *sender, uint32 cmd, uint32 data);
      virtual void handleScreenChanged() {}
      
      Widget *findWidget(int x, int y); // Find the widget at pos x,y if any

      ButtonWidget *addButton(int x, int y, const Common::String &label, uint32 cmd, char hotkey);

      void setResult(int result) { _result = result; }
      int getResult() const { return _result; }
};

} // End of namespace GUI

#endif

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