redquark-amiberry-rb/external/libguisan/include/guisan/widgets/radiobutton.hpp
2020-08-17 16:25:02 +02:00

225 lines
7.2 KiB
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/* _______ __ __ __ ______ __ __ _______ __ __
* / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\
* / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
* / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / /
* / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / /
* /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
* \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
*
* Copyright (c) 2004, 2005, 2006, 2007 Olof Naessén and Per Larsson
*
* Js_./
* Per Larsson a.k.a finalman _RqZ{a<^_aa
* Olof Naessén a.k.a jansem/yakslem _asww7!uY`> )\a//
* _Qhm`] _f "'c 1!5m
* Visit: http://guichan.darkbits.org )Qk<P ` _: :+' .' "{[
* .)j(] .d_/ '-( P . S
* License: (BSD) <Td/Z <fP"5(\"??"\a. .L
* Redistribution and use in source and _dV>ws?a-?' ._/L #'
* binary forms, with or without )4d[#7r, . ' )d`)[
* modification, are permitted provided _Q-5'5W..j/?' -?!\)cam'
* that the following conditions are met: j<<WP+k/);. _W=j f
* 1. Redistributions of source code must .$%w\/]Q . ."' . mj$
* retain the above copyright notice, ]E.pYY(Q]>. a J@\
* this list of conditions and the j(]1u<sE"L,. . ./^ ]{a
* following disclaimer. 4'_uomm\. )L);-4 (3=
* 2. Redistributions in binary form must )_]X{Z('a_"a7'<a"a, ]"[
* reproduce the above copyright notice, #}<]m7`Za??4,P-"'7. ).m
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* documentation and/or other materials .Z!=J ]e []('-4f _ ) -.)m]'
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* 3. Neither the name of Guichan nor the :$we` _! + _/ . j?
* names of its contributors may be used =3)= _f (_yQmWW$#( "
* to endorse or promote products derived - W, sQQQQmZQ#Wwa]..
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* -]n w/ ' [.
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT )/ )/ !
* HOLDERS AND CONTRIBUTORS "AS IS" AND ANY < (; sac , '
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*/
#ifndef GCN_RADIOBUTTON_HPP
#define GCN_RADIOBUTTON_HPP
#include <map>
#include <string>
#include "guisan/keylistener.hpp"
#include "guisan/mouselistener.hpp"
#include "guisan/platform.hpp"
#include "guisan/widget.hpp"
namespace gcn
{
/**
* Implementation of a radio button where a user can select or deselect
* the radio button and where the status of the radio button is displayed to the user.
* A radio button can belong to a group and when a radio button belongs to a
* group only one radio button can be selected in the group. A radio button is
* capable of displaying a caption.
*
* If a radio button's state changes an action event will be sent to all action
* listeners of the check box.
*/
class GCN_CORE_DECLSPEC RadioButton :
public Widget,
public MouseListener,
public KeyListener
{
public:
/**
* Constructor.
*/
RadioButton();
/**
* Constructor.
*
* @param caption The caption of the radio button.
* @param group The group the radio button should belong to.
* @param selected True if the radio button should be selected.
*/
RadioButton(const std::string& caption,
const std::string& group,
bool selected = false);
/**
* Destructor.
*/
virtual ~RadioButton();
/**
* Checks if the radio button is selected.
*
* @return True if the radio button is selecte, false otherwise.
* @see setSelected
*/
[[nodiscard]] bool isSelected() const;
/**
* Sets the radio button to selected or not.
*
* @param selected True if the radio button should be selected,
* false otherwise.
* @see isSelected
*/
void setSelected(bool selected);
/**
* Gets the caption of the radio button.
*
* @return The caption of the radio button.
* @see setCaption
*/
[[nodiscard]] const std::string& getCaption() const;
/**
* Sets the caption of the radio button. It's advisable to call
* adjustSize after setting of the caption to adjust the
* radio button's size to fit the caption.
*
* @param caption The caption of the radio button.
* @see getCaption, adjustSize
*/
void setCaption(std::string caption);
/**
* Sets the group the radio button should belong to. Note that
* a radio button group is unique per application, not per Gui object
* as the group is stored in a static map.
*
* @param group The name of the group.
* @see getGroup
*/
void setGroup(const std::string& group);
/**
* Gets the group the radio button belongs to.
*
* @return The group the radio button belongs to.
* @see setGroup
*/
[[nodiscard]] const std::string& getGroup() const;
/**
* Adjusts the radio button's size to fit the caption.
*/
void adjustSize();
// Inherited from Widget
void draw(Graphics* graphics) override;
void drawBorder(Graphics* graphics) override;
// Inherited from KeyListener
void keyPressed(KeyEvent& keyEvent) override;
// Inherited from MouseListener
void mouseClicked(MouseEvent& mouseEvent) override;
void mouseDragged(MouseEvent& mouseEvent) override;
protected:
/**
* Draws the box.
*
* @param graphics a Graphics object to draw with.
*/
virtual void drawBox(Graphics* graphics);
/**
* True if the radio button is selected, false otherwise.
*/
bool mSelected{};
/**
* Holds the caption of the radio button.
*/
std::string mCaption;
/**
* Holds the group of the radio button.
*/
std::string mGroup;
/**
* Typdef.
*/
typedef std::multimap<std::string, RadioButton*> GroupMap;
/**
* Typdef.
*/
typedef GroupMap::iterator GroupIterator;
/**
* Holds all available radio button groups.
*/
static GroupMap mGroupMap;
};
}
#endif // end GCN_RADIOBUTTON_HPP