#include <QAction>
#include <QDebug>
+#include <QHelpEvent>
+#include <QToolTip>
#include "samplingbar.h"
#include <pv/device/devinst.h>
#include <pv/popups/deviceoptions.h>
#include <pv/popups/probes.h>
+#include <pv/util.h>
using boost::shared_ptr;
using std::map;
addWidget(&_sample_rate);
addWidget(&_run_stop_button);
+
+ _sample_count.installEventFilter(this);
+ _sample_rate.installEventFilter(this);
}
void SamplingBar::set_device_list(
- const std::list< shared_ptr<pv::device::DevInst> > &devices)
+ const std::list< shared_ptr<pv::device::DevInst> > &devices,
+ shared_ptr<pv::device::DevInst> selected)
{
+ int selected_index = -1;
+
+ assert(selected);
+
_updating_device_selector = true;
_device_selector.clear();
const sr_dev_inst *sdi = dev_inst->dev_inst();
assert(sdi);
+ if (selected == dev_inst)
+ selected_index = _device_selector.count();
+
_device_selector_map[sdi] = dev_inst;
_device_selector.addItem(title.c_str(),
qVariantFromValue((void*)sdi));
}
- _updating_device_selector = false;
+ // The selected device should have been in the list
+ assert(selected_index != -1);
+ _device_selector.setCurrentIndex(selected_index);
+
+ update_device_config_widgets();
- on_device_selected();
+ _updating_device_selector = false;
}
shared_ptr<pv::device::DevInst> SamplingBar::get_selected_device() const
index).value<void*>();
assert(sdi);
- map<const sr_dev_inst*, boost::weak_ptr<device::DevInst> >::
- const_iterator iter = _device_selector_map.find(sdi);
+ const auto iter = _device_selector_map.find(sdi);
if (iter == _device_selector_map.end())
return shared_ptr<pv::device::DevInst>();
return shared_ptr<pv::device::DevInst>((*iter).second);
}
-void SamplingBar::set_selected_device(shared_ptr<pv::device::DevInst> dev_inst)
-{
- assert(dev_inst);
-
- for (int i = 0; i < _device_selector.count(); i++)
- if (dev_inst->dev_inst() ==
- _device_selector.itemData(i).value<void*>()) {
- _device_selector.setCurrentIndex(i);
- return;
- }
-}
-
void SamplingBar::set_capture_state(pv::SigSession::capture_state state)
{
const QIcon *icons[] = {&_icon_grey, &_icon_red, &_icon_green};
if (_sample_count_supported)
{
- uint64_t sample_count = DefaultSampleCount;
+ 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;
+
if ((gvar = dev_inst->list_config(NULL, SR_CONF_LIMIT_SAMPLES)))
{
g_variant_get(gvar, "(tt)",
_updating_sample_count = false;
}
+void SamplingBar::update_device_config_widgets()
+{
+ GVariant *gvar;
+
+ using namespace pv::popups;
+
+ const shared_ptr<device::DevInst> dev_inst = get_selected_device();
+ if (!dev_inst)
+ return;
+
+ // Update the configure popup
+ DeviceOptions *const opts = new DeviceOptions(dev_inst, this);
+ _configure_button_action->setVisible(
+ !opts->binding().properties().empty());
+ _configure_button.set_popup(opts);
+
+ // Update the probes popup
+ Probes *const probes = new Probes(_session, this);
+ _probes_button.set_popup(probes);
+
+ // Update supported options.
+ _sample_count_supported = false;
+
+ if ((gvar = dev_inst->list_config(NULL, SR_CONF_DEVICE_OPTIONS)))
+ {
+ 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++)
+ {
+ switch (options[i]) {
+ case SR_CONF_LIMIT_SAMPLES:
+ _sample_count_supported = true;
+ break;
+ case SR_CONF_LIMIT_FRAMES:
+ dev_inst->set_config(NULL, SR_CONF_LIMIT_FRAMES,
+ g_variant_new_uint64(1));
+ break;
+ }
+ }
+ }
+
+ // Add notification of reconfigure events
+ disconnect(this, SLOT(on_config_changed()));
+ connect(dev_inst.get(), SIGNAL(config_changed()),
+ this, SLOT(on_config_changed()));
+
+ // Update sweep timing widgets.
+ update_sample_count_selector();
+ update_sample_rate_selector();
+}
+
void SamplingBar::commit_sample_count()
{
uint64_t sample_count = 0;
// Set the sample count
assert(!_updating_sample_count);
_updating_sample_count = true;
- if (!dev_inst->set_config(NULL, SR_CONF_LIMIT_SAMPLES,
+ if (_sample_count_supported &&
+ !dev_inst->set_config(NULL, SR_CONF_LIMIT_SAMPLES,
g_variant_new_uint64(sample_count))) {
qDebug() << "Failed to configure sample count.";
return;
void SamplingBar::on_device_selected()
{
- GVariant *gvar;
-
- using namespace pv::popups;
-
if (_updating_device_selector)
return;
_session.set_device(dev_inst);
- // Update the configure popup
- DeviceOptions *const opts = new DeviceOptions(dev_inst, this);
- _configure_button_action->setVisible(
- !opts->binding().properties().empty());
- _configure_button.set_popup(opts);
-
- // Update the probes popup
- Probes *const probes = new Probes(_session, this);
- _probes_button.set_popup(probes);
-
- // Update supported options.
- _sample_count_supported = false;
-
- if ((gvar = dev_inst->list_config(NULL, SR_CONF_DEVICE_OPTIONS)))
- {
- 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++)
- {
- switch (options[i]) {
- case SR_CONF_LIMIT_SAMPLES:
- _sample_count_supported = true;
- break;
- case SR_CONF_LIMIT_FRAMES:
- dev_inst->set_config(NULL, SR_CONF_LIMIT_FRAMES,
- g_variant_new_uint64(1));
- break;
- }
- }
- }
-
- // Add notification of reconfigure events
- disconnect(this, SLOT(on_config_changed()));
- connect(dev_inst.get(), SIGNAL(config_changed()),
- this, SLOT(on_config_changed()));
-
- // Update sweep timing widgets.
- update_sample_count_selector();
- update_sample_rate_selector();
+ update_device_config_widgets();
}
void SamplingBar::on_sample_count_changed()
update_sample_rate_selector();
}
+bool SamplingBar::eventFilter(QObject *watched, QEvent *event)
+{
+ if ((watched == &_sample_count || watched == &_sample_rate) &&
+ (event->type() == QEvent::ToolTip)) {
+ double sec = (double)_sample_count.value() / _sample_rate.value();
+ QHelpEvent *help_event = static_cast<QHelpEvent*>(event);
+
+ QString str = tr("Total sampling time: %1").arg(pv::util::format_second(sec));
+ QToolTip::showText(help_event->globalPos(), str);
+
+ return true;
+ }
+
+ return false;
+}
+
} // namespace toolbars
} // namespace pv