RuntimeTitleMenuItem.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_RUNTIMETITLEMENUITEM_H
#define TCMENU_RUNTIMETITLEMENUITEM_H
 
#include <BaseRenderers.h>
 
namespace tcgfx {
 
    int appTitleRenderingFn(RuntimeMenuItem *item, uint8_t, RenderFnMode mode, char *buffer, int bufferSize);
 
    class RuntimeTitleMenuItem : public RuntimeMenuItem {
    private:
        const char *titleHeaderPgm;
        const char *titleOverridePgm;
        MenuCallbackFn callback;
    public:
        RuntimeTitleMenuItem(uint16_t id, MenuItem *next) : RuntimeMenuItem(MENUTYPE_TITLE_ITEM, id,
                                                                            appTitleRenderingFn, 0, 1, next) {
            titleHeaderPgm = nullptr;
            titleOverridePgm = nullptr;
            callback = nullptr;
        }
 
        void setTitleHeaderPgm(const char *header) {
            titleHeaderPgm = header;
            setChanged(true);
        }
 
        void setTitleOverridePgm(const char* overrideTitle) {
            titleOverridePgm = overrideTitle;
            setChanged(true);
        }
 
        void clearTitleOverride() {
            titleOverridePgm = nullptr;
            setChanged(true);
        }
 
        const char *getTitleHeaderPgm() const {
            return (titleOverridePgm != nullptr) ? titleOverridePgm : titleHeaderPgm;
        }
 
        void setCallback(MenuCallbackFn titleCb) {
            callback = titleCb;
        }
 
        MenuCallbackFn getCallback() const {
            return callback;
        }
    };
 
    extern RuntimeTitleMenuItem appTitleMenuItem;
 
    inline void setTitlePressedCallback(MenuCallbackFn cb) {
        appTitleMenuItem.setCallback(cb);
    }
}
 
#endif //TCMENU_RUNTIMETITLEMENUITEM_H