WidgetComboBox.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_COMBO_BOX_H
#define HPL_WIDGET_COMBO_BOX_H
 
#include "hpl1/engine/gui/Widget.h"
#include "hpl1/engine/gui/WidgetBaseClasses.h"
 
namespace hpl {
 
class cGuiSkinFont;
 
class cWidgetTextBox;
class cWidgetButton;
class cWidgetSlider;
 
class cWidgetComboBox : public iWidget, public iWidgetItemContainer {
public:
    cWidgetComboBox(cGuiSet *apSet, cGuiSkin *apSkin);
    virtual ~cWidgetComboBox();
 
    void SetSelectedItem(int alX, bool abMoveList = false);
    int GetSelectedItem() { return mlSelectedItem; }
 
    void SetCanEdit(bool abX);
    bool GetCanEdit();
 
    void SetMaxShownItems(int alX);
    int GetMaxShownItems() { return mlMaxItems; }
 
protected:
    // Own functions
    void UpdateProperties();
 
    void OpenMenu();
    void CloseMenu();
 
    bool ButtonPress(iWidget *apWidget, cGuiMessageData &aData);
    kGuiCalllbackDeclarationEnd(ButtonPress);
 
    bool DrawText(iWidget *apWidget, cGuiMessageData &aData);
    kGuiCalllbackDeclarationEnd(DrawText);
 
    bool SliderMove(iWidget *apWidget, cGuiMessageData &aData);
    kGuiCalllbackDeclarationEnd(SliderMove);
 
    bool SliderLostFocus(iWidget *apWidget, cGuiMessageData &aData);
    kGuiCalllbackDeclarationEnd(SliderLostFocus);
 
    // Implemented functions
    void OnLoadGraphics();
    void OnChangeSize();
    void OnChangeText();
    void OnInit();
 
    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 OnLostFocus(cGuiMessageData &aData);
 
    // Data
    cWidgetTextBox *mpText;
    cWidgetButton *mpButton;
    cWidgetSlider *mpSlider;
 
    bool mbMenuOpen;
    float mfMenuHeight;
 
    float mfButtonWidth;
    float mfSliderWidth;
 
    int mlMouseOverSelection;
    int mlSelectedItem;
    int mlFirstItem;
    int mlMaxItems;
    int mlItemsShown;
 
    cGuiGfxElement *mpGfxBackground;
 
    cGuiGfxElement *mpGfxSelection;
 
    cGuiGfxElement *mvGfxBorders[4];
    cGuiGfxElement *mvGfxCorners[4];
};
 
} // namespace hpl
 
#endif // HPL_WIDGET_COMBO_BOX_H