TabularDecView: Implement "hide hidden rows/classes" checkbox

[pulseview.git] / pv / views / tabular_decoder / model.cpp

diff --git a/pv/views/tabular_decoder/model.cpp b/pv/views/tabular_decoder/model.cpp
index ffd151a5300c4278a297a45fe040b84f22e4e246..1d4d839e4757be2ad20169c09b621f04044013b1 100644 (file)
--- a/pv/views/tabular_decoder/model.cpp
+++ b/pv/views/tabular_decoder/model.cpp
@@ -40,9 +40,11 @@ namespace tabular_decoder {
 AnnotationCollectionModel::AnnotationCollectionModel(QObject* parent) :
        QAbstractTableModel(parent),
        all_annotations_(nullptr),
+       dataset_(nullptr),
        signal_(nullptr),
        prev_segment_(0),
-       prev_last_row_(0)
+       prev_last_row_(0),
+       hide_hidden_(false)
 {
        GlobalSettings::add_change_handler(this);
        theme_is_dark_ = GlobalSettings::current_theme_is_dark();
@@ -131,13 +133,15 @@ QModelIndex AnnotationCollectionModel::index(int row, int column,
        assert(row >= 0);
        assert(column >= 0);
 
-       if (!all_annotations_)
+       if (!dataset_)
                return QModelIndex();
 
-       if ((size_t)row > all_annotations_->size())
-               return QModelIndex();
+       QModelIndex idx;
+
+       if ((size_t)row < dataset_->size())
+               idx = createIndex(row, column, (void*)dataset_->at(row));
 
-       return createIndex(row, column, (void*)(all_annotations_->at(row)));
+       return idx;
 }
 
 QModelIndex AnnotationCollectionModel::parent(const QModelIndex& index) const
@@ -151,10 +155,10 @@ int AnnotationCollectionModel::rowCount(const QModelIndex& parent_idx) const
 {
        (void)parent_idx;
 
-       if (!all_annotations_)
+       if (!dataset_)
                return 0;
 
-       return all_annotations_->size();
+       return dataset_->size();
 }
 
 int AnnotationCollectionModel::columnCount(const QModelIndex& parent_idx) const
@@ -168,7 +172,9 @@ void AnnotationCollectionModel::set_signal_and_segment(data::DecodeSignal* signa
 {
        if (!signal) {
                all_annotations_ = nullptr;
+               dataset_ = nullptr;
                signal_ = nullptr;
+
                dataChanged(QModelIndex(), QModelIndex());
                layoutChanged();
                return;
@@ -177,12 +183,17 @@ void AnnotationCollectionModel::set_signal_and_segment(data::DecodeSignal* signa
        all_annotations_ = signal->get_all_annotations_by_segment(current_segment);
        signal_ = signal;
 
-       if (!all_annotations_ || all_annotations_->empty()) {
+       if (hide_hidden_)
+               update_annotations_without_hidden();
+       else
+               dataset_ = all_annotations_;
+
+       if (!dataset_ || dataset_->empty()) {
                prev_segment_ = current_segment;
                return;
        }
 
-       const size_t new_row_count = all_annotations_->size() - 1;
+       const size_t new_row_count = dataset_->size() - 1;
 
        // Force the view associated with this model to update when the segment changes
        if (prev_segment_ != current_segment) {
@@ -201,6 +212,44 @@ void AnnotationCollectionModel::set_signal_and_segment(data::DecodeSignal* signa
        prev_last_row_ = new_row_count;
 }
 
+void AnnotationCollectionModel::set_hide_hidden(bool hide_hidden)
+{
+       hide_hidden_ = hide_hidden;
+
+       if (hide_hidden_) {
+               dataset_ = &all_annotations_without_hidden_;
+               update_annotations_without_hidden();
+       } else {
+               dataset_ = all_annotations_;
+               all_annotations_without_hidden_.clear();  // To conserve memory
+       }
+}
+
+void AnnotationCollectionModel::update_annotations_without_hidden()
+{
+       uint64_t count = 0;
+
+       if (!all_annotations_ || all_annotations_->empty()) {
+               all_annotations_without_hidden_.clear();
+               return;
+       }
+
+       for (const Annotation* ann : *all_annotations_) {
+               if (!ann->visible())
+                       continue;
+
+               if (all_annotations_without_hidden_.size() < (count + 100))
+                       all_annotations_without_hidden_.resize(count + 100);
+
+               all_annotations_without_hidden_[count++] = ann;
+       }
+
+       all_annotations_without_hidden_.resize(count);
+
+       dataChanged(index(0, 0, QModelIndex()), index(count, 0, QModelIndex()));
+       layoutChanged();
+}
+
 void AnnotationCollectionModel::on_setting_changed(const QString &key, const QVariant &value)
 {
        (void)key;