ewol/ewol/widget/Button.hpp

103 lines
3.6 KiB
C++

/** @file
* @author Edouard DUPIN
* @copyright 2011, Edouard DUPIN, all right reserved
* @license APACHE v2.0 (see license file)
*/
#pragma once
#include <etk/types.hpp>
#include <ewol/debug.hpp>
#include <ewol/compositing/Text.hpp>
#include <ewol/compositing/Image.hpp>
#include <ewol/compositing/Shaper.hpp>
#include <ewol/widget/Container2.hpp>
#include <ewol/widget/Manager.hpp>
#include <esignal/Signal.hpp>
namespace ewol {
namespace widget {
class Button;
using ButtonShared = ememory::SharedPtr<ewol::widget::Button>;
using ButtonWeak = ememory::WeakPtr<ewol::widget::Button>;
/**
* @brief a composed button is a button with an inside composed with the specify XML element
* ==> this permit to generate standard element simple
*/
class Button : public ewol::widget::Container2 {
public:
enum buttonLock{
lockNone, //!< normal status of the button
lockWhenPressed, //!< When the state is set in pressed, the status stay in this one
lockWhenReleased, //!< When the state is set in not pressed, the status stay in this one
lockAccess, //!< all event are trashed == > acctivity of the button is disable
};
public: // Event list
esignal::Signal<> signalPressed;
esignal::Signal<> signalDown;
esignal::Signal<> signalUp;
esignal::Signal<> signalEnter;
esignal::Signal<> signalLeave;
esignal::Signal<bool> signalValue;
public: // propertie list
eproperty::Value<std::string> propertyShape; //!< shaper name property
eproperty::Value<bool> propertyValue; //!< Current state of the button.
eproperty::List<enum buttonLock> propertyLock; //!< Current lock state of the button.
eproperty::Value<bool> propertyToggleMode; //!< The button is able to toggle.
eproperty::Value<bool> propertyEnableSingle; //!< When a single subwidget is set display all time it.
private:
ewol::compositing::Shaper m_shaper; //!< Compositing theme.
protected:
/**
* @brief Constructor
* @param[in] _shaperName Shaper file properties
*/
Button();
void init() override;
public:
DECLARE_WIDGET_FACTORY(Button, "Button");
/**
* @brief Destructor
*/
virtual ~Button();
private:
bool m_mouseHover; //!< Flag to know where the mouse is (inside the displayed widget (if not fill)).
bool m_buttonPressed; //!< Flag to know if the button is curently pressed.
// hover area :
vec2 m_selectableAreaPos; //!< Start position of the events
vec2 m_selectableAreaSize; //!< size of the event positions
private:
/**
* @brief internal system to change the property of the current status
* @param[in] _newStatusId new state
*/
void changeStatusIn(int32_t _newStatusId);
/**
* @brief update the status with the internal satte of the button ...
*/
void CheckStatus();
protected: // Derived function
virtual void onDraw() override;
public:
void calculateMinMaxSize() override;
void onChangeSize() override;
void onRegenerateDisplay() override;
bool onEventInput(const ewol::event::Input& _event) override;
bool onEventEntry(const ewol::event::Entry& _event) override;
void onDetectPresenceToggleWidget() override {
propertyToggleMode.set(true);
}
protected:
void periodicCall(const ewol::event::Time& _event) override;
void onLostFocus() override;
protected:
virtual void onChangePropertyShape();
virtual void onChangePropertyValue();
virtual void onChangePropertyLock();
virtual void onChangePropertyToggleMode();
virtual void onChangePropertyEnableSingle();
};
};
};