Function drawOptions

src/display.cpp:520–789

** Function name: drawOptions ** Description: Função para desenhar e mostrar as opçoes de contexto ***************************************************************************************/

** Description:   Função para desenhar e mostrar as opçoes de contexto
***************************************************************************************/
Opt_Coord drawOptions(
    int idx, std::vector<Option> &opt, std::vector<MenuOptions> &t_menu, uint16_t fgcolor, uint16_t bgcolor,
    bool border
) {
    int index = idx;
    uint16_t alcolor = ALCOLOR;
#ifdef E_PAPER_DISPLAY
#ifdef USE_EPD_PAINTER
    if (!border) { tft->fillScreen(BGCOLOR); }
#endif
    bgcolor = WHITE; // 0xffff
    alcolor = BLACK; // 0x0000
    fgcolor = BLACK;
#endif

    Opt_Coord coord;
    coord.bgcolor = bgcolor;
    coord.fgcolor = fgcolor;

    t_menu.clear();
    int arraySize = opt.size();
    if (arraySize == 0) { return coord; }

    if (index < 0) index = 0;
    if (index >= arraySize) index = arraySize - 1;

    int lineHeight = FM * LH;
    const int rowSpacing = 4;
    const int paddingTop = 4;
    const int paddingBottom = 4;
    const int paddingSide = 4;

    int contentWidth = border ? static_cast<int>(tftWidth * 0.8f) : tftWidth - 4;
    if (contentWidth < 1) contentWidth = tftWidth;
    int boxX = border ? (tftWidth - contentWidth) / 2 : 2;

    int availableHeight = border ? (tftHeight - 20) : (tftHeight - 4);
    int minHeight = lineHeight + paddingTop + paddingBottom;
    if (availableHeight < minHeight) availableHeight = minHeight;

    int totalRows = (availableHeight - paddingTop - paddingBottom + rowSpacing) / (lineHeight + rowSpacing);
    if (totalRows < 1) totalRows = 1;

    int start = 0;
    int optionCount = 0;
    bool showPageUp = false;
    bool showPageDown = false;

#ifdef HAS_TOUCH
    struct PageInfo {
        int start;
        int count;
        bool pageUp;
        bool pageDown;
    };

    std::vector<PageInfo> pages;
    int remaining = arraySize;