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/*
* The ManaPlus Client
* Copyright (C) 2006-2009 The Mana World Development Team
* Copyright (C) 2009-2010 The Mana Developers
* Copyright (C) 2011-2013 The ManaPlus Developers
*
* This file is part of The ManaPlus Client.
*
* 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
* 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/>.
*/
#ifndef GUI_WIDGETS_DROPDOWN_H
#define GUI_WIDGETS_DROPDOWN_H
#include "gui/widgets/widget2.h"
#include <guichan/actionlistener.hpp>
#include <guichan/basiccontainer.hpp>
#include <guichan/focuslistener.hpp>
#include <guichan/keylistener.hpp>
#include <guichan/listmodel.hpp>
#include <guichan/mouselistener.hpp>
#include <guichan/selectionlistener.hpp>
#include "localconsts.h"
class Image;
class ImageRect;
class ListBox;
class PopupList;
class ScrollArea;
class Skin;
/**
* A drop down box from which you can select different values.
*
* A ListModel provides the contents of the drop down. To be able to use
* DropDown you must give DropDown an implemented ListModel which represents
* your list.
*/
class DropDown final : public gcn::ActionListener,
public gcn::BasicContainer,
public gcn::KeyListener,
public gcn::MouseListener,
public gcn::FocusListener,
public gcn::SelectionListener,
public Widget2
{
public:
/**
* Contructor.
*
* @param listModel the ListModel to use.
* @param scrollArea the ScrollArea to use.
* @param listBox the listBox to use.
* @see ListModel, ScrollArea, ListBox.
*/
DropDown(const Widget2 *const widget,
gcn::ListModel *const listModel,
bool extended = false,
bool modal = false,
gcn::ActionListener *const listener = nullptr,
const std::string &eventId = "");
A_DELETE_COPY(DropDown)
~DropDown();
/**
* Update the alpha value to the graphic components.
*/
void updateAlpha();
void draw(gcn::Graphics *graphics) override;
void drawFrame(gcn::Graphics *graphics) override;
// Inherited from KeyListener
void keyPressed(gcn::KeyEvent& keyEvent) override;
// Inherited from MouseListener
void mousePressed(gcn::MouseEvent& mouseEvent) override;
void mouseReleased(gcn::MouseEvent& mouseEvent) override;
void mouseDragged(gcn::MouseEvent& mouseEvent) override;
void mouseWheelMovedUp(gcn::MouseEvent& mouseEvent) override;
void mouseWheelMovedDown(gcn::MouseEvent& mouseEvent) override;
void setSelectedString(const std::string &str);
std::string getSelectedString() const A_WARN_UNUSED;
void valueChanged(const gcn::SelectionEvent& event) override;
void updateSelection();
void adjustHeight();
void dropDown();
void foldUp();
void hideDrop(bool event = true);
int getSelected() const;
void setSelected(int selected);
void setListModel(gcn::ListModel *const listModel);
gcn::ListModel *getListModel();
void addSelectionListener(SelectionListener* listener);
void removeSelectionListener(SelectionListener* selectionListener);
gcn::Rectangle getChildrenArea() override;
void action(const gcn::ActionEvent &actionEvent) override;
void distributeValueChangedEvent();
protected:
/**
* Draws the button with the little down arrow.
*
* @param graphics a Graphics object to draw with.
*/
void drawButton(gcn::Graphics *graphics);
PopupList *mPopup;
gcn::Color mShadowColor;
gcn::Color mHighlightColor;
int mPadding;
int mImagePadding;
int mSpacing;
int mFoldedUpHeight;
typedef std::list<SelectionListener*> SelectionListenerList;
SelectionListenerList mSelectionListeners;
typedef SelectionListenerList::iterator SelectionListenerIterator;
bool mExtended;
bool mDroppedDown;
bool mPushed;
bool mIsDragged;
// Add own Images.
static int instances;
static Image *buttons[2][2];
static ImageRect skinRect;
static float mAlpha;
static Skin *mSkin;
};
#endif // GUI_WIDGETS_DROPDOWN_H
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