WidgetListBox.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_LIST_BOX_H
#define HPL_WIDGET_LIST_BOX_H
 
#include "hpl1/engine/gui/Widget.h"
#include "hpl1/engine/gui/WidgetBaseClasses.h"
 
namespace hpl {
 
class cGuiSkinFont;
 
class cWidgetSlider;
 
class cWidgetListBox : public iWidget, public iWidgetItemContainer {
public:
    cWidgetListBox(cGuiSet *apSet, cGuiSkin *apSkin);
    virtual ~cWidgetListBox();
 
    void SetBackgroundZ(float afZ) { mfBackgroundZ = afZ; }
    float GetBackgroundZ() { return mfBackgroundZ; }
 
    void SetSelectedItem(int alX, bool abMoveList = false);
    int GetSelectedItem() { return mlSelectedItem; }
 
protected:
    // Own functions
    void UpdateProperties();
 
    bool DrawText(iWidget *apWidget, cGuiMessageData &aData);
    kGuiCalllbackDeclarationEnd(DrawText);
 
    bool MoveSlider(iWidget *apWidget, cGuiMessageData &aData);
    kGuiCalllbackDeclarationEnd(MoveSlider);
 
    // Implemented functions
    void OnLoadGraphics();
    void OnInit();
    void OnChangeSize();
 
    void OnDraw(float afTimeStep, cGuiClipRegion *apClipRegion);
 
    bool OnMouseMove(cGuiMessageData &aData);
    bool OnMouseDown(cGuiMessageData &aData);
    bool OnMouseUp(cGuiMessageData &aData);
    bool OnMouseEnter(cGuiMessageData &aData);
    bool OnMouseLeave(cGuiMessageData &aData);
 
    bool OnKeyPress(cGuiMessageData &aData);
 
    // Data
    float mfBackgroundZ;
    float mfSliderWidth;
 
    int mlFirstItem;
    int mlMaxItems;
 
    int mlSelectedItem;
 
    cGuiGfxElement *mpGfxBackground;
 
    cGuiGfxElement *mpGfxSelection;
 
    cGuiGfxElement *mvGfxBorders[4];
    cGuiGfxElement *mvGfxCorners[4];
 
    cWidgetSlider *mpSlider;
};
 
} // namespace hpl
 
#endif // HPL_WIDGET_LIST_BOX_H