+ _updating_sample_rate = true;
+ _sample_rate.set_value(samplerate);
+ _updating_sample_rate = false;
+}
+
+void SamplingBar::update_sample_count_selector()
+{
+ sr_dev_inst *const sdi = get_selected_device();
+ GVariant *gvar;
+ uint64_t samplecount = 0;
+
+ assert(sdi);
+
+ _sample_count_supported = false;
+
+ if (sr_config_list(sdi->driver, sdi, NULL,
+ SR_CONF_DEVICE_OPTIONS, &gvar) == SR_OK)
+ {
+ gsize num_opts;
+ const int *const options = (const int32_t *)g_variant_get_fixed_array(
+ gvar, &num_opts, sizeof(int32_t));
+ for (unsigned int i = 0; i < num_opts; i++)
+ {
+ if (options[i] == SR_CONF_LIMIT_SAMPLES)
+ {
+ _sample_count_supported = true;
+ break;
+ }
+ }
+ }
+
+ if (_sample_count_supported)
+ _sample_count.show_min_max_step(0, UINT64_MAX, 1);
+ else
+ _sample_count.show_none();