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dialogs.h

/* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * $Header: /cvsroot/scummvm/scummvm/scumm/dialogs.h,v 1.57.2.1 2005/10/18 02:11:21 sev Exp $
 */

#ifndef SCUMM_DIALOGS_H
#define SCUMM_DIALOGS_H

#include "common/str.h"
#include "gui/dialog.h"
#include "gui/options.h"
#include "gui/widget.h"

#ifndef DISABLE_HELP
#include "scumm/help.h"
#endif

namespace GUI {
      class ListWidget;
}


namespace Scumm {

class ScummEngine;

class ScummDialog : public GUI::Dialog {
public:
      ScummDialog(ScummEngine *scumm, int x, int y, int w, int h)
            : GUI::Dialog(x, y, w, h), _vm(scumm) {}

protected:
      typedef Common::String String;

      ScummEngine *_vm;

      // Query a string from the resources
      const String queryResString(int stringno);
};

// to have a base for all different Save/Load Choosers
// currently only for SaveLoadChooser (320x200)
// and for SaveLoadChooserEx (640x400/640x480)
class BaseSaveLoadChooser
{
public:
      virtual ~BaseSaveLoadChooser() {};

      virtual const Common::String &getResultString() const = 0;
      virtual void setList(const Common::StringList& list) = 0;
      virtual int runModal() = 0;
};

class MainMenuDialog : public ScummDialog {
public:
      MainMenuDialog(ScummEngine *scumm);
      ~MainMenuDialog();
      virtual void handleCommand(GUI::CommandSender *sender, uint32 cmd, uint32 data);

protected:
      GUI::Dialog       *_aboutDialog;
      GUI::Dialog       *_optionsDialog;
#ifndef DISABLE_HELP
      GUI::Dialog       *_helpDialog;
#endif
      BaseSaveLoadChooser     *_saveDialog;
      BaseSaveLoadChooser     *_loadDialog;

      void save();
      void load();
};

#ifndef DISABLE_HELP

class HelpDialog : public ScummDialog {
public:
      HelpDialog(ScummEngine *scumm);
      virtual void handleCommand(GUI::CommandSender *sender, uint32 cmd, uint32 data);

protected:
      typedef Common::String String;

      GUI::ButtonWidget *_nextButton;
      GUI::ButtonWidget *_prevButton;

      GUI::StaticTextWidget *_title;
      GUI::StaticTextWidget *_key[HELP_NUM_LINES];
      GUI::StaticTextWidget *_dsc[HELP_NUM_LINES];

      int _page;
      int _numPages;

      void displayKeyBindings();
};

#endif

class ConfigDialog : public GUI::OptionsDialog {
protected:
      ScummEngine *_vm;
#ifdef SMALL_SCREEN_DEVICE
      GUI::Dialog       *_keysDialog;
#endif

public:
      ConfigDialog(ScummEngine *scumm);
      ~ConfigDialog();

      virtual void open();
      virtual void close();
      virtual void handleCommand(GUI::CommandSender *sender, uint32 cmd, uint32 data);

protected:
      GUI::CheckboxWidget *_subtitlesCheckbox;
      GUI::CheckboxWidget *_speechCheckbox;
};

/**
 * A dialog which displays an arbitrary message to the user and returns
 * ther users reply as its result value. More specifically, it returns
 * the ASCII code of the key used to close the dialog (0 if a mouse
 * click closed the dialog).
 */
00139 class InfoDialog : public ScummDialog {
public:
      // arbitrary message
      InfoDialog(ScummEngine *scumm, const String& message);
      // from resources
      InfoDialog(ScummEngine *scumm, int res);

      virtual void handleMouseDown(int x, int y, int button, int clickCount) {
            setResult(0);
            close();
      }
      virtual void handleKeyDown(uint16 ascii, int keycode, int modifiers) {
            setResult(ascii);
            close();
      }

protected:
      void setInfoText (const String& message);
};

/**
 * The pause dialog, visible whenever the user activates pause mode. Goes
 * away uon any key or mouse button press.
 */
00163 class PauseDialog : public InfoDialog {
public:
      PauseDialog(ScummEngine *scumm, int res);
      virtual void handleKeyDown(uint16 ascii, int keycode, int modifiers);
};

/**
 * A simple yes/no dialog, used to ask the user whether to really
 * quit/restart ScummVM.
 */
00173 class ConfirmDialog : public InfoDialog {
public:
      ConfirmDialog(ScummEngine *scumm, const String& message);
      virtual void handleKeyDown(uint16 ascii, int keycode, int modifiers);
};

/**
 * A dialog used to display the music volume / text speed.
 * Automatically closes after a brief time passed.
 */
00183 class ValueDisplayDialog : public GUI::Dialog {
public:
      ValueDisplayDialog(const Common::String& label, int minVal, int maxVal, int val, uint16 incKey, uint16 decKey);

      virtual void open();
      virtual void drawDialog();
      virtual void handleTickle();
      virtual void handleMouseDown(int x, int y, int button, int clickCount) {
            close();
      }
      virtual void handleKeyDown(uint16 ascii, int keycode, int modifiers);

protected:
      enum {
            kPercentBarWidth = 50,
            kBigPercentBarWidth = 75,
            kDisplayDelay = 1500
      };
      Common::String _label;
      const int _min, _max;
      const uint16 _incKey, _decKey;
      int _percentBarWidth;
      int _value;
      uint32 _timer;
};

} // End of namespace Scumm

#endif

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