]> sigrok.org Git - pulseview.git/blobdiff - pv/views/trace/standardbar.cpp
Add segment display mode UI controls and some related changes
[pulseview.git] / pv / views / trace / standardbar.cpp
index 9d4d0e4add5fca735778b0d9fd2bbf2feeeada4a..382e9f31a347ec05de5ad468c5276110edd8142a 100644 (file)
@@ -43,6 +43,10 @@ StandardBar::StandardBar(Session &session, QWidget *parent,
        action_view_zoom_fit_(new QAction(this)),
        action_view_zoom_one_to_one_(new QAction(this)),
        action_view_show_cursors_(new QAction(this)),
+       segment_display_mode_selector_(new QToolButton(this)),
+       action_sdm_last_(new QAction(this)),
+       action_sdm_last_complete_(new QAction(this)),
+       action_sdm_single_(new QAction(this)),
        segment_selector_(new QSpinBox(this))
 {
        setObjectName(QString::fromUtf8("StandardBar"));
@@ -85,8 +89,30 @@ StandardBar::StandardBar(Session &session, QWidget *parent,
                this, SLOT(on_actionViewShowCursors_triggered()));
        action_view_show_cursors_->setText(tr("Show &Cursors"));
 
+       action_sdm_last_->setIcon(QIcon(":/icons/view-displaymode-last_segment.svg"));
+       action_sdm_last_->setText(tr("Display last segment only"));
+       connect(action_sdm_last_, SIGNAL(triggered(bool)),
+               this, SLOT(on_actionSDMLast_triggered()));
+
+       action_sdm_last_complete_->setIcon(QIcon(":/icons/view-displaymode-last_complete_segment.svg"));
+       action_sdm_last_complete_->setText(tr("Display last complete segment only"));
+       connect(action_sdm_last_complete_, SIGNAL(triggered(bool)),
+               this, SLOT(on_actionSDMLastComplete_triggered()));
+
+       action_sdm_single_->setIcon(QIcon(":/icons/view-displaymode-single_segment.svg"));
+       action_sdm_single_->setText(tr("Display a single segment"));
+       connect(action_view_show_cursors_, SIGNAL(triggered(bool)),
+               this, SLOT(on_actionSDMSingle_triggered()));
+
+       segment_display_mode_selector_->addAction(action_sdm_last_);
+       segment_display_mode_selector_->addAction(action_sdm_last_complete_);
+       segment_display_mode_selector_->addAction(action_sdm_single_);
+       segment_display_mode_selector_->setPopupMode(QToolButton::InstantPopup);
+       segment_display_mode_selector_->hide();
+
        segment_selector_->setMinimum(1);
        segment_selector_->hide();
+
        connect(&session_, SIGNAL(new_segment(int)),
                this, SLOT(on_new_segment(int)));
 
@@ -101,8 +127,8 @@ StandardBar::StandardBar(Session &session, QWidget *parent,
        connect(this, SIGNAL(segment_selected(int)),
                view_, SLOT(on_segment_changed(int)));
 
-       connect(view_, SIGNAL(segment_display_mode_changed(bool)),
-               this, SLOT(on_segment_display_mode_changed(bool)));
+       connect(view_, SIGNAL(segment_display_mode_changed(int, bool)),
+               this, SLOT(on_segment_display_mode_changed(int, bool)));
 
        connect(view_, SIGNAL(always_zoom_to_fit_changed(bool)),
                this, SLOT(on_always_zoom_to_fit_changed(bool)));
@@ -126,6 +152,7 @@ void StandardBar::add_toolbar_widgets()
        addSeparator();
        addAction(action_view_show_cursors_);
        multi_segment_actions_.push_back(addSeparator());
+       multi_segment_actions_.push_back(addWidget(segment_display_mode_selector_));
        multi_segment_actions_.push_back(addWidget(segment_selector_));
        addSeparator();
 
@@ -138,7 +165,8 @@ void StandardBar::show_multi_segment_ui(const bool state)
        for (QAction* action : multi_segment_actions_)
                action->setVisible(state);
 
-       on_segment_display_mode_changed(view_->segment_is_selectable());
+       on_segment_display_mode_changed(view_->segment_display_mode(),
+               view_->segment_is_selectable());
 }
 
 QAction* StandardBar::action_view_zoom_in() const
@@ -195,6 +223,21 @@ void StandardBar::on_actionViewShowCursors_triggered()
        view_->show_cursors(show);
 }
 
+void StandardBar::on_actionSDMLast_triggered()
+{
+       view_->set_segment_display_mode(Trace::ShowLastSegmentOnly);
+}
+
+void StandardBar::on_actionSDMLastComplete_triggered()
+{
+       view_->set_segment_display_mode(Trace::ShowLastCompleteSegmentOnly);
+}
+
+void StandardBar::on_actionSDMSingle_triggered()
+{
+       view_->set_segment_display_mode(Trace::ShowSingleSegmentOnly);
+}
+
 void StandardBar::on_always_zoom_to_fit_changed(bool state)
 {
        action_view_zoom_fit_->setChecked(state);
@@ -211,28 +254,58 @@ void StandardBar::on_new_segment(int new_segment_id)
 
 void StandardBar::on_segment_changed(int segment_id)
 {
+       // We need to adjust the value by 1 because internally, segments
+       // start at 0 while they start with 1 for the spinbox
+       const uint32_t ui_segment_id = segment_id + 1;
+
        // This is called when the current segment was changed
        // by other parts of the UI, e.g. the view itself
 
-       // We need to adjust the value by 1 because internally, segments
-       // start at 0 while they start with 1 for the spinbox
-       segment_selector_->setValue(segment_id + 1);
+       // Make sure our value isn't limited by a too low maximum
+       // Note: this can happen if on_segment_changed() is called before
+       // on_new_segment()
+       if ((uint32_t)segment_selector_->maximum() < ui_segment_id)
+               segment_selector_->setMaximum(ui_segment_id);
 
-       segment_selected(segment_id);
+       segment_selector_->setValue(ui_segment_id);
 }
 
 void StandardBar::on_segment_selected(int ui_segment_id)
 {
-       // This is called when the user selected a segment using the spin box
-
        // We need to adjust the value by 1 because internally, segments
        // start at 0 while they start with 1 for the spinbox
-       segment_selected(ui_segment_id - 1);
+       const uint32_t segment_id = ui_segment_id - 1;
+
+       // This is called when the user selected a segment using the spin box
+       // or when the value of the spinbox was assigned a new value. Since we
+       // only care about the former, we filter out the latter:
+       if (segment_id == view_->current_segment())
+               return;
+
+       // No matter which segment display mode we were in, we now show a single segment
+       if (view_->segment_display_mode() != Trace::ShowSingleSegmentOnly)
+               on_actionSDMSingle_triggered();
+
+       segment_selected(segment_id);
 }
 
-void StandardBar::on_segment_display_mode_changed(bool segment_selectable)
+void StandardBar::on_segment_display_mode_changed(int mode, bool segment_selectable)
 {
        segment_selector_->setReadOnly(!segment_selectable);
+
+       switch ((Trace::SegmentDisplayMode)mode) {
+       case Trace::ShowLastSegmentOnly:
+               segment_display_mode_selector_->setDefaultAction(action_sdm_last_);
+               break;
+       case Trace::ShowLastCompleteSegmentOnly:
+               segment_display_mode_selector_->setDefaultAction(action_sdm_last_complete_);
+               break;
+       case Trace::ShowSingleSegmentOnly:
+               segment_display_mode_selector_->setDefaultAction(action_sdm_single_);
+               break;
+       default:
+               break;
+       }
 }
 
 } // namespace trace