tftinitbutton

C++ implementation

struct State {
};

{{ GENERATED_CODE }}

void evaluate(Context ctx) {
     if (!isInputDirty<input_UPD>(ctx))
        return;
   
    auto tft = getValue<input_TFT>(ctx);
    auto button = getValue<input_DEV>(ctx);
    int16_t x1 = getValue<input_STX>(ctx);
    int16_t y1 = getValue<input_STY>(ctx);
    uint16_t w = getValue<input_WX>(ctx);
    uint16_t h = getValue<input_HY>(ctx);
    uint16_t outline = getValue<input_OCOL>(ctx);
    uint16_t fill = getValue<input_FCOL>(ctx);
    uint16_t textcolor = getValue<input_TCOL>(ctx);
    auto text = getValue<input_TXT>(ctx);
    uint8_t textsize = getValue<input_TSIZE>(ctx);

     // `length` returns the number of characters and you need an extra one to keep the
    // terminal NUL-character used in C string representation. Initialize to 0’s to ensure the last char is indeed NUL
    char label[length(text) + 1] = { 0 };
    // move the data from XString to the plain C string
    dump(text, label);

    button->initButtonUL(tft, x1, y1, w, h, outline, fill, textcolor, label, textsize);
    button->drawButton();
    emitValue<output_DONE>(ctx, 1);
}