// widgetListBox.c — ListBox widget

#include "widgetInternal.h"


// ============================================================
// wgtListBox
// ============================================================

WidgetT *wgtListBox(WidgetT *parent) {
    WidgetT *w = widgetAlloc(parent, WidgetListBoxE);

    if (w) {
        w->as.listBox.selectedIdx = -1;
    }

    return w;
}


// ============================================================
// wgtListBoxGetSelected
// ============================================================

int32_t wgtListBoxGetSelected(const WidgetT *w) {
    if (!w || w->type != WidgetListBoxE) {
        return -1;
    }

    return w->as.listBox.selectedIdx;
}


// ============================================================
// wgtListBoxSetItems
// ============================================================

void wgtListBoxSetItems(WidgetT *w, const char **items, int32_t count) {
    if (!w || w->type != WidgetListBoxE) {
        return;
    }

    w->as.listBox.items     = items;
    w->as.listBox.itemCount = count;

    if (w->as.listBox.selectedIdx >= count) {
        w->as.listBox.selectedIdx = -1;
    }
}


// ============================================================
// wgtListBoxSetSelected
// ============================================================

void wgtListBoxSetSelected(WidgetT *w, int32_t idx) {
    if (!w || w->type != WidgetListBoxE) {
        return;
    }

    w->as.listBox.selectedIdx = idx;
}