WidgetTextBox.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * 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 3 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, see <http://www.gnu.org/licenses/>.
 *
 */

/*
 * Copyright (C) 2006-2010 - Frictional Games
 *
 * This file is part of HPL1 Engine.
 */

#ifndef HPL_WIDGET_TEXT_BOX_H
#define HPL_WIDGET_TEXT_BOX_H

#include "hpl1/engine/gui/Widget.h"

namespace hpl {

class cGuiSkinFont;

class cWidgetTextBox : public iWidget {
public:
    cWidgetTextBox(cGuiSet *apSet, cGuiSkin *apSkin);
    virtual ~cWidgetTextBox();

    void SetMaxTextLength(int alLength);
    int GetMaxTextLength() { return mlMaxCharacters; }

    cVector2f GetBackgroundSize();

    void SetMaxTextSizeNeg(float afX);

    void SetCanEdit(bool abX);
    bool GetCanEdit() { return mbCanEdit; }

protected:
    // Own functions
    int WorldToCharPos(const cVector2f &avWorldPos);
    float CharToLocalPos(int alChar);
    void SetMarkerPos(int alPos);
    int GetLastCharInSize(int alStartPos, float afMaxSize, float afLengthAdd);
    int GetFirstCharInSize(int alStartPos, float afMaxSize, float afLengthAdd);

    // Implemented functions
    void OnLoadGraphics();
    void OnChangeSize();
    void OnChangeText();

    void OnDraw(float afTimeStep, cGuiClipRegion *apClipRegion);

    bool OnMouseMove(cGuiMessageData &aData);
    bool OnMouseDown(cGuiMessageData &aData);
    bool OnMouseDoubleClick(cGuiMessageData &aData);
    bool OnMouseUp(cGuiMessageData &aData);
    bool OnMouseEnter(cGuiMessageData &aData);
    bool OnMouseLeave(cGuiMessageData &aData);

    bool OnLostFocus(cGuiMessageData &aData);

    bool OnKeyPress(cGuiMessageData &aData);

    // Data
    bool mbPressed;
    int mlMarkerCharPos;
    int mlSelectedTextEnd;
    int mlFirstVisibleChar;
    int mlVisibleCharSize;
    float mfTextMaxSize;

    int mlMaxCharacters;

    float mfMaxTextSizeNeg;

    bool mbCanEdit;

    cGuiGfxElement *mpGfxMarker;
    cGuiGfxElement *mpGfxSelectedTextBack;

    cGuiGfxElement *mpGfxBackground;

    cGuiGfxElement *mvGfxBorders[4];
    cGuiGfxElement *mvGfxCorners[4];
};

} // namespace hpl

#endif // HPL_WIDGET_TEXT_BOX_H