- if (_spin_box)
- return _spin_box;
-
- _spin_box = new QSpinBox(parent);
- _spin_box->setSuffix(_suffix);
- if (_range)
- _spin_box->setRange((int)_range->first, (int)_range->second);
-
- GVariant *const value = _getter ? _getter() : NULL;
- if (value) {
- _spin_box->setValue((int)g_variant_get_int64(value));
- g_variant_unref(value);
+ int64_t int_val = 0, range_min = 0;
+ uint64_t range_max = 0;
+
+ if (spin_box_)
+ return spin_box_;
+
+ if (!getter_)
+ return nullptr;
+
+ value_ = getter_();
+
+ GVariant *value = value_.gobj();
+ if (!value)
+ return nullptr;
+
+ spin_box_ = new QSpinBox(parent);
+ spin_box_->setSuffix(suffix_);
+
+ const GVariantType *const type = g_variant_get_type(value);
+ assert(type);
+
+ if (g_variant_type_equal(type, G_VARIANT_TYPE_BYTE)) {
+ int_val = g_variant_get_byte(value);
+ range_min = 0, range_max = UINT8_MAX;
+ } else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT16)) {
+ int_val = g_variant_get_int16(value);
+ range_min = INT16_MIN, range_max = INT16_MAX;
+ } else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT16)) {
+ int_val = g_variant_get_uint16(value);
+ range_min = 0, range_max = UINT16_MAX;
+ } else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT32)) {
+ int_val = g_variant_get_int32(value);
+ range_min = INT32_MIN, range_max = INT32_MAX;
+ } else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT32)) {
+ int_val = g_variant_get_uint32(value);
+ range_min = 0, range_max = UINT32_MAX;
+ } else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT64)) {
+ int_val = g_variant_get_int64(value);
+ range_min = INT64_MIN, range_max = INT64_MAX;
+ } else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT64)) {
+ int_val = g_variant_get_uint64(value);
+ range_min = 0, range_max = UINT64_MAX;
+ } else {
+ // Unexpected value type.
+ assert(false);