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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) 2011-2016 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 "enums/simpletypes/modal.h"
#include "gui/widgets/basiccontainer.h"
#include "listeners/actionlistener.h"
#include "listeners/focuslistener.h"
#include "listeners/keylistener.h"
#include "listeners/mouselistener.h"
#include "listeners/selectionlistener.h"
#include "localconsts.h"
class Image;
class ListModel;
class PopupList;
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 ActionListener,
public BasicContainer,
public KeyListener,
public MouseListener,
public FocusListener,
public SelectionListener
{
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,
ListModel *const listModel,
const bool extended = false,
const Modal modal = Modal_false,
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(Graphics *const graphics) override final A_NONNULL(2);
void safeDraw(Graphics *const graphics) override final A_NONNULL(2);
void drawFrame(Graphics *const graphics) override final A_NONNULL(2);
void safeDrawFrame(Graphics *const graphics) override final
A_NONNULL(2);
// Inherited from KeyListener
void keyPressed(KeyEvent& event) override final;
// Inherited from MouseListener
void mousePressed(MouseEvent& event) override final;
void mouseReleased(MouseEvent& event) override final;
void mouseDragged(MouseEvent& event) override final;
void mouseWheelMovedUp(MouseEvent& event) override final;
void mouseWheelMovedDown(MouseEvent& event) override final;
void setSelectedString(const std::string &str);
std::string getSelectedString() const A_WARN_UNUSED;
void valueChanged(const SelectionEvent& event) override final A_CONST;
void updateSelection();
void adjustHeight();
void dropDown();
void foldUp();
void hideDrop(bool event = true);
int getSelected() const;
void setSelected(int selected);
void setListModel(ListModel *const listModel);
ListModel *getListModel();
void addSelectionListener(SelectionListener* listener);
void removeSelectionListener(SelectionListener* selectionListener);
Rect getChildrenArea() override;
void action(const ActionEvent &actionEvent) override;
void distributeValueChangedEvent();
protected:
/**
* Draws the button with the little down arrow.
*
* @param graphics a Graphics object to draw with.
*/
void drawButton(Graphics *const graphics) A_NONNULL(2);
PopupList *mPopup A_NONNULLPOINTER;
Color mShadowColor;
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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