GuiButton.h

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// Copyright © 2008-2021 Pioneer Developers. See AUTHORS.txt for details
// Licensed under the terms of the GPL v3. See licenses/GPL-3.txt
 
#ifndef _GUIBUTTON_H
#define _GUIBUTTON_H
 
#include "GuiWidget.h"
#include <string>
 
namespace Gui {
    class Label;
 
    class Button : public Widget {
    public:
        Button();
        virtual ~Button();
        virtual bool OnMouseDown(MouseButtonEvent *e);
        virtual bool OnMouseUp(MouseButtonEvent *e);
        virtual void OnActivate();
 
        // onClick only happens when press and release are both on widget (release can be elsewhere)
        sigc::signal<void> onPress;
        sigc::signal<void> onRelease;
        sigc::signal<void> onClick;
        bool IsPressed() { return m_isPressed; }
 
    private:
        void OnRawMouseUp(MouseButtonEvent *e);
        void OnRawKeyUp(SDL_KeyboardEvent *e);
 
        bool m_isPressed;
        sigc::connection _m_release;
        sigc::connection _m_kbrelease;
    };
 
    class SolidButton : public Button {
    public:
        SolidButton() :
            Button() {}
        virtual ~SolidButton() {}
        virtual void GetSizeRequested(float size[2]);
        virtual void Draw();
    };
 
    class TransparentButton : public Button {
    public:
        TransparentButton() :
            Button() {}
        virtual ~TransparentButton() {}
        virtual void GetSizeRequested(float size[2]);
        virtual void Draw();
    };
 
    class LabelButton : public Button {
    public:
        LabelButton(Label *label);
        virtual ~LabelButton();
        virtual void GetSizeRequested(float size[2]);
        virtual void Draw();
        void SetPadding(float p) { m_padding = p; }
 
    protected:
        Label *m_label;
 
    private:
        void OnSetSize();
        float m_padding;
    };
} // namespace Gui
 
#endif /* _GUIBUTTON_H */