// widgetCheckbox.c — Checkbox widget

#include "widgetInternal.h"


// ============================================================
// wgtCheckbox
// ============================================================

WidgetT *wgtCheckbox(WidgetT *parent, const char *text) {
    WidgetT *w = widgetAlloc(parent, WidgetCheckboxE);

    if (w) {
        w->as.checkbox.text    = text;
        w->as.checkbox.checked = false;
    }

    return w;
}


// ============================================================
// widgetCheckboxCalcMinSize
// ============================================================

void widgetCheckboxCalcMinSize(WidgetT *w, const BitmapFontT *font) {
    w->calcMinW = CHECKBOX_BOX_SIZE + CHECKBOX_GAP +
                   (int32_t)strlen(w->as.checkbox.text) * font->charWidth;
    w->calcMinH = DVX_MAX(CHECKBOX_BOX_SIZE, font->charHeight);
}


// ============================================================
// widgetCheckboxOnMouse
// ============================================================

void widgetCheckboxOnMouse(WidgetT *hit) {
    hit->as.checkbox.checked = !hit->as.checkbox.checked;

    if (hit->onChange) {
        hit->onChange(hit);
    }
}


// ============================================================
// widgetCheckboxPaint
// ============================================================

void widgetCheckboxPaint(WidgetT *w, DisplayT *d, const BlitOpsT *ops, const BitmapFontT *font, const ColorSchemeT *colors) {
    uint32_t fg  = w->fgColor ? w->fgColor : colors->contentFg;
    uint32_t bg  = w->bgColor ? w->bgColor : colors->contentBg;
    int32_t boxY = w->y + (w->h - CHECKBOX_BOX_SIZE) / 2;

    // Draw checkbox box
    BevelStyleT bevel;
    bevel.highlight = colors->windowShadow;
    bevel.shadow    = colors->windowHighlight;
    bevel.face      = bg;
    bevel.width     = 1;
    drawBevel(d, ops, w->x, boxY, CHECKBOX_BOX_SIZE, CHECKBOX_BOX_SIZE, &bevel);

    // Draw check mark if checked
    if (w->as.checkbox.checked) {
        int32_t cx = w->x + 3;
        int32_t cy = boxY + 3;
        int32_t cs = CHECKBOX_BOX_SIZE - 6;

        for (int32_t i = 0; i < cs; i++) {
            drawHLine(d, ops, cx + i, cy + i, 1, fg);
            drawHLine(d, ops, cx + cs - 1 - i, cy + i, 1, fg);
        }
    }

    // Draw label
    drawText(d, ops, font,
             w->x + CHECKBOX_BOX_SIZE + CHECKBOX_GAP,
             w->y + (w->h - font->charHeight) / 2,
             w->as.checkbox.text, fg, bg, false);
}