+}
+
+void SamplingBar::update_sample_count_selector()
+{
+ if (updating_sample_count_)
+ return;
+
+ const shared_ptr<Device> device = get_selected_device();
+ if (!device)
+ return;
+
+ assert(!updating_sample_count_);
+ updating_sample_count_ = true;
+
+ if (!sample_count_supported_)
+ {
+ sample_count_.show_none();
+ updating_sample_count_ = false;
+ return;
+ }
+
+ uint64_t sample_count = sample_count_.value();
+ uint64_t min_sample_count = 0;
+ uint64_t max_sample_count = MaxSampleCount;
+
+ if (sample_count == 0)
+ sample_count = DefaultSampleCount;
+
+ const auto keys = device->config_keys(ConfigKey::DEVICE_OPTIONS);
+ const auto iter = keys.find(ConfigKey::LIMIT_SAMPLES);
+ if (iter != keys.end() &&
+ (*iter).second.find(sigrok::LIST) != (*iter).second.end()) {
+ auto gvar = device->config_list(ConfigKey::LIMIT_SAMPLES);
+ g_variant_get(gvar.gobj(), "(tt)",
+ &min_sample_count, &max_sample_count);
+ }
+
+ min_sample_count = min(max(min_sample_count, MinSampleCount),
+ max_sample_count);
+
+ sample_count_.show_125_list(
+ min_sample_count, max_sample_count);
+
+ try {
+ auto gvar = device->config_get(ConfigKey::LIMIT_SAMPLES);
+ sample_count = g_variant_get_uint64(gvar.gobj());
+ if (sample_count == 0)
+ sample_count = DefaultSampleCount;
+ sample_count = min(max(sample_count, MinSampleCount),
+ max_sample_count);
+ } catch (Error error) {}
+
+ sample_count_.set_value(sample_count);
+
+ updating_sample_count_ = false;
+}
+
+void SamplingBar::update_device_config_widgets()
+{
+ using namespace pv::popups;
+
+ const shared_ptr<Device> device = get_selected_device();
+ if (!device)
+ return;