#include <climits>
+#include <QApplication>
#include <QDebug>
#include <QFileDialog>
+#include <QFontMetrics>
+#include <QHeaderView>
#include <QLabel>
#include <QMenu>
#include <QMessageBox>
#include "view.hpp"
#include "pv/globalsettings.hpp"
+#include "pv/session.hpp"
#include "pv/util.hpp"
#include "pv/data/decode/decoder.hpp"
using pv::data::decode::Decoder;
using pv::util::Timestamp;
+using std::make_shared;
using std::shared_ptr;
namespace pv {
namespace views {
namespace tabular_decoder {
+QSize QCustomTableView::minimumSizeHint() const
+{
+ QSize size(QTableView::sizeHint());
+
+ int width = 0;
+ for (int i = 0; i < horizontalHeader()->count(); i++)
+ if (!horizontalHeader()->isSectionHidden(i))
+ width += horizontalHeader()->sectionSize(i);
+
+ size.setWidth(width + (horizontalHeader()->count() * 1));
+
+ return size;
+}
+
+QSize QCustomTableView::sizeHint() const
+{
+ return minimumSizeHint();
+}
+
View::View(Session &session, bool is_main_view, QMainWindow *parent) :
ViewBase(session, is_main_view, parent),
decoder_selector_(new QComboBox()),
save_button_(new QToolButton()),
save_action_(new QAction(this)),
- table_view_(new QTableView()),
+ table_view_(new QCustomTableView()),
model_(new AnnotationCollectionModel()),
- signal_(nullptr)
+ signal_(nullptr),
+ updating_data_(false)
{
QVBoxLayout *root_layout = new QVBoxLayout(this);
root_layout->setContentsMargins(0, 0, 0, 0);
// Set up the table view
table_view_->setModel(model_);
+ table_view_->setSelectionBehavior(QAbstractItemView::SelectRows);
+ table_view_->setSelectionMode(QAbstractItemView::SingleSelection);
table_view_->setSortingEnabled(true);
table_view_->sortByColumn(0, Qt::AscendingOrder);
+ const int font_height = QFontMetrics(QApplication::font()).height();
+ table_view_->verticalHeader()->setDefaultSectionSize((font_height * 5) / 4);
+
+ table_view_->horizontalHeader()->setStretchLastSection(true);
+ table_view_->horizontalHeader()->setCascadingSectionResizes(true);
+ table_view_->horizontalHeader()->setSectionsMovable(true);
+ table_view_->horizontalHeader()->setContextMenuPolicy(Qt::CustomContextMenu);
+
+ table_view_->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
+ parent->setSizePolicy(table_view_->sizePolicy());
+
+ connect(table_view_, SIGNAL(clicked(const QModelIndex&)),
+ this, SLOT(on_table_item_clicked(const QModelIndex&)));
+ connect(table_view_, SIGNAL(doubleClicked(const QModelIndex&)),
+ this, SLOT(on_table_item_double_clicked(const QModelIndex&)));
+ connect(table_view_->horizontalHeader(), SIGNAL(customContextMenuRequested(const QPoint&)),
+ this, SLOT(on_table_header_requested(const QPoint&)));
+
reset_view_state();
}
connect(signal.get(), SIGNAL(name_changed(const QString&)),
this, SLOT(on_signal_name_changed(const QString&)));
+
+ // Note: At time of initial creation, decode signals have no decoders so we
+ // need to watch for decoder stacking events
+
connect(signal.get(), SIGNAL(decoder_stacked(void*)),
this, SLOT(on_decoder_stacked(void*)));
connect(signal.get(), SIGNAL(decoder_removed(void*)),
this, SLOT(on_decoder_removed(void*)));
- // Add all decoders provided by this signal
+ // Add the top-level decoder provided by an already-existing signal
auto stack = signal->decoder_stack();
- if (stack.size() > 1) {
- for (const shared_ptr<Decoder>& dec : stack) {
- QString title = QString("%1 (%2)").arg(signal->name(), dec->name());
- decoder_selector_->addItem(title, QVariant::fromValue((void*)dec.get()));
- }
- } else
- if (!stack.empty()) {
- shared_ptr<Decoder>& dec = stack.at(0);
- decoder_selector_->addItem(signal->name(), QVariant::fromValue((void*)dec.get()));
- }
+ if (!stack.empty()) {
+ shared_ptr<Decoder>& dec = stack.at(0);
+ decoder_selector_->addItem(signal->name(), QVariant::fromValue((void*)dec.get()));
+ }
}
void View::remove_decode_signal(shared_ptr<data::DecodeSignal> signal)
void View::update_data()
{
- if (!signal_)
+ if (updating_data_) {
+ if (!delayed_view_updater_.isActive())
+ delayed_view_updater_.start();
return;
+ }
- // TBD
+ updating_data_ = true;
+
+ table_view_->setRootIndex(model_->index(1, 0, QModelIndex()));
+ model_->set_signal_and_segment(signal_, current_segment_);
+
+ updating_data_ = false;
}
void View::save_data() const
void View::on_selected_decoder_changed(int index)
{
- if (signal_)
+ if (signal_) {
+ disconnect(signal_, SIGNAL(color_changed(QColor)));
disconnect(signal_, SIGNAL(new_annotations()));
+ disconnect(signal_, SIGNAL(decode_reset()));
+ }
reset_data();
signal_ = ds.get();
if (signal_) {
+ connect(signal_, SIGNAL(color_changed(QColor)), this, SLOT(on_signal_color_changed(QColor)));
connect(signal_, SIGNAL(new_annotations()), this, SLOT(on_new_annotations()));
+ connect(signal_, SIGNAL(decode_reset()), this, SLOT(on_decoder_reset()));
}
update_data();
DecodeSignal* signal = dynamic_cast<DecodeSignal*>(sb);
assert(signal);
- // Update all decoder entries provided by this signal
+ // Update the top-level decoder provided by this signal
auto stack = signal->decoder_stack();
- if (stack.size() > 1) {
- for (const shared_ptr<Decoder>& dec : stack) {
- QString title = QString("%1 (%2)").arg(signal->name(), dec->name());
- int index = decoder_selector_->findData(QVariant::fromValue((void*)dec.get()));
+ if (!stack.empty()) {
+ shared_ptr<Decoder>& dec = stack.at(0);
+ int index = decoder_selector_->findData(QVariant::fromValue((void*)dec.get()));
- if (index != -1)
- decoder_selector_->setItemText(index, title);
- }
- } else
- if (!stack.empty()) {
- shared_ptr<Decoder>& dec = stack.at(0);
- int index = decoder_selector_->findData(QVariant::fromValue((void*)dec.get()));
+ if (index != -1)
+ decoder_selector_->setItemText(index, signal->name());
+ }
+}
- if (index != -1)
- decoder_selector_->setItemText(index, signal->name());
- }
+void View::on_signal_color_changed(const QColor &color)
+{
+ (void)color;
+
+ table_view_->update();
}
void View::on_new_annotations()
delayed_view_updater_.start();
}
-void View::on_decoder_stacked(void* decoder)
+void View::on_decoder_reset()
{
- // TODO This doesn't change existing entries for the same signal - but it should as the naming scheme may change
+ // Invalidate the model's data connection immediately - otherwise we
+ // will use a stale pointer in model_->index() when called from the table view
+ model_->set_signal_and_segment(signal_, current_segment_);
+}
+void View::on_decoder_stacked(void* decoder)
+{
Decoder* d = static_cast<Decoder*>(decoder);
// Find the signal that contains the selected decoder
assert(signal);
- // Add the decoder to the list
- QString title = QString("%1 (%2)").arg(signal->name(), d->name());
- decoder_selector_->addItem(title, QVariant::fromValue((void*)d));
+ const shared_ptr<Decoder>& dec = signal->decoder_stack().at(0);
+ int index = decoder_selector_->findData(QVariant::fromValue((void*)dec.get()));
+
+ if (index == -1) {
+ // Add the decoder to the list
+ decoder_selector_->addItem(signal->name(), QVariant::fromValue((void*)d));
+ }
}
void View::on_decoder_removed(void* decoder)
save_data();
}
+void View::on_table_item_clicked(const QModelIndex& index)
+{
+ (void)index;
+
+ // Force repaint, otherwise the new selection isn't shown for some reason
+ table_view_->viewport()->update();
+}
+
+void View::on_table_item_double_clicked(const QModelIndex& index)
+{
+ const Annotation* ann = static_cast<const Annotation*>(index.internalPointer());
+
+ shared_ptr<views::ViewBase> main_view = session_.main_view();
+
+ main_view->focus_on_range(ann->start_sample(), ann->end_sample());
+}
+
+void View::on_table_header_requested(const QPoint& pos)
+{
+ QMenu* menu = new QMenu(this);
+
+ for (int i = 0; i < table_view_->horizontalHeader()->count(); i++) {
+ int column = table_view_->horizontalHeader()->logicalIndex(i);
+
+ const QString title = model_->headerData(column, Qt::Horizontal, Qt::DisplayRole).toString();
+ QAction* action = new QAction(title, this);
+
+ action->setCheckable(true);
+ action->setChecked(!table_view_->horizontalHeader()->isSectionHidden(column));
+ action->setData(column);
+
+ connect(action, SIGNAL(toggled(bool)), this, SLOT(on_table_header_toggled(bool)));
+
+ menu->addAction(action);
+ }
+
+ menu->popup(table_view_->horizontalHeader()->viewport()->mapToGlobal(pos));
+}
+
+void View::on_table_header_toggled(bool checked)
+{
+ QAction* action = qobject_cast<QAction*>(QObject::sender());
+ assert(action);
+
+ const int column = action->data().toInt();
+
+ table_view_->horizontalHeader()->setSectionHidden(column, !checked);
+}
+
void View::perform_delayed_view_update()
{
update_data();