TcDrawableButton.h

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/*
 * Copyright (c) 2018 https://www.thecoderscorner.com (Dave Cherry).
 * This product is licensed under an Apache license, see the LICENSE file in the top-level directory.
 */
 
#ifndef TCMENU_TCDRAWABLEBUTTON_H
#define TCMENU_TCDRAWABLEBUTTON_H
 
#include <PlatformDetermination.h>
#include "DrawingPrimitives.h"
#include "GraphicsDeviceRenderer.h"
#include "DeviceDrawableHelper.h"
 
#define DRAW_BUTTON_FLAG_ICON_BOOL 0
#define DRAW_BUTTON_FLAG_IS_DIRTY 1
#define DRAW_BUTTON_MONO 2
 
namespace tcgfx {
 
    class TcDrawableButton {
    public:
        enum ButtonDrawingMode {
            NORMAL, SELECTED, PRESSED, NOT_SELECTABLE
        };
    private:
        Coord where;
        Coord size;
        color_t bgColor;
        color_t fgColor;
        color_t selectedColor;
        union {
            const char *text;
            const tcgfx::DrawableIcon *icon;
        };
        DeviceFontDrawingMode fontMode;
        ButtonDrawingMode drawingMode = NORMAL;
        uint8_t flags;
    public:
        TcDrawableButton(const Coord &where, const Coord &size, color_t bgCol, color_t fgCol, color_t selCol,
                         const char *text, const DeviceFontDrawingMode& font);
 
        TcDrawableButton(const Coord &where, const Coord &size, color_t bgCol, color_t fgCol, color_t selCol,
                         const tcgfx::DrawableIcon *icon);
 
        explicit TcDrawableButton(const tcgfx::DrawableIcon *icon);
 
        TcDrawableButton(const char *text, const DeviceFontDrawingMode& font);
 
        bool touchInBounds(const Coord &location) const;
 
        void setButtonOnMonoDisplay(bool mono) { bitWrite(flags, DRAW_BUTTON_MONO, mono); }
 
        bool isButtonOnMonoDisplay() { return bitRead(flags, DRAW_BUTTON_MONO); }
 
        void setButtonDrawingMode(ButtonDrawingMode mode) {
            if(drawingMode != mode) setDirty(true);
            drawingMode = mode;
        }
 
        void setDirty(bool d) {
            bitWrite(flags, DRAW_BUTTON_FLAG_IS_DIRTY, d);
        }
 
        bool isDirty() const { return bitRead(flags, DRAW_BUTTON_FLAG_IS_DIRTY); }
 
        bool isIconDrawn() const { return bitRead(flags, DRAW_BUTTON_FLAG_ICON_BOOL); }
 
        ButtonDrawingMode getButtonDrawingMode() { return drawingMode; }
 
        void paintButton(DeviceDrawable *drawable);
 
        void setPosition(const Coord& position);
 
        void setPositionAndSize(const Coord& position, const Coord& newSize);
 
        void setColors(color_t bgCol, color_t fgCol, color_t selCol);
 
        void setText(const char* newText);
    };
 
}
 
#endif //TCMENU_TCDRAWABLEBUTTON_H