+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();
+
+ if (sr_config_get(sdi->driver, sdi, NULL,
+ SR_CONF_LIMIT_SAMPLES, &gvar) == SR_OK)
+ {
+ samplecount = g_variant_get_uint64(gvar);
+ g_variant_unref(gvar);
+ }
+
+ _updating_sample_count = true;
+ _sample_count.set_value(samplecount);
+ _updating_sample_count = false;
+}
+
+void SamplingBar::commit_sample_count()
+{
+ uint64_t sample_count = 0;
+
+ sr_dev_inst *const sdi = get_selected_device();
+ assert(sdi);
+
+ sample_count = _sample_count.value();
+
+ // Set the sample count
+ if (sr_config_set(sdi, NULL, SR_CONF_LIMIT_SAMPLES,
+ g_variant_new_uint64(sample_count)) != SR_OK) {
+ qDebug() << "Failed to configure sample count.";
+ return;
+ }
+}
+