Removed context bar

[pulseview.git] / pv / view / view.cpp

diff --git a/pv/view/view.cpp b/pv/view/view.cpp
index 95b8a5bec9e9f1fde845898ee5ed7a0cf1bfcc58..6af03c9c0f7a78fec96a341c57c7e38b1d951bae 100644 (file)
--- a/pv/view/view.cpp
+++ b/pv/view/view.cpp
@@ -28,6 +28,7 @@
 #include <QMouseEvent>
 #include <QScrollBar>
 
+#include "decodesignal.h"
 #include "header.h"
 #include "ruler.h"
 #include "signal.h"
@@ -72,8 +73,7 @@ View::View(SigSession &session, QWidget *parent) :
        _v_offset(0),
        _updating_scroll(false),
        _show_cursors(false),
-       _cursors(pair<Cursor, Cursor>(Cursor(*this, 0.0),
-               Cursor(*this, 1.0))),
+       _cursors(*this),
        _hover_point(-1, -1)
 {
        connect(horizontalScrollBar(), SIGNAL(valueChanged(int)),
@@ -86,14 +86,24 @@ View::View(SigSession &session, QWidget *parent) :
        connect(&_session, SIGNAL(data_updated()),
                this, SLOT(data_updated()));
 
-       connect(&_cursors.first, SIGNAL(time_changed()),
+       connect(_cursors.first().get(), SIGNAL(time_changed()),
                this, SLOT(marker_time_changed()));
-       connect(&_cursors.second, SIGNAL(time_changed()),
+       connect(_cursors.second().get(), SIGNAL(time_changed()),
                this, SLOT(marker_time_changed()));
 
        connect(_header, SIGNAL(signals_moved()),
                this, SLOT(on_signals_moved()));
 
+       connect(_header, SIGNAL(selection_changed()),
+               _ruler, SLOT(clear_selection()));
+       connect(_ruler, SIGNAL(selection_changed()),
+               _header, SLOT(clear_selection()));
+
+       connect(_header, SIGNAL(selection_changed()),
+               this, SIGNAL(selection_changed()));
+       connect(_ruler, SIGNAL(selection_changed()),
+               this, SIGNAL(selection_changed()));
+
        setViewportMargins(LabelMarginWidth, RulerHeight, 0, 0);
        setViewport(_viewport);
 
@@ -107,6 +117,11 @@ SigSession& View::session()
        return _session;
 }
 
+const SigSession& View::session() const
+{
+       return _session;
+}
+
 double View::scale() const
 {
        return _scale;
@@ -130,16 +145,12 @@ void View::zoom(double steps)
 void View::zoom(double steps, int offset)
 {
        const double cursor_offset = _offset + _scale * offset;
-       _scale *= pow(3.0/2.0, -steps);
-       _scale = max(min(_scale, MaxScale), MinScale);
-       _offset = cursor_offset - _scale * offset;
-
-       _ruler->update();
-       _viewport->update();
-       update_scroll();
+       const double new_scale = max(min(_scale * pow(3.0/2.0, -steps),
+               MaxScale), MinScale);
+       const double new_offset = cursor_offset - new_scale * offset;
+       set_scale_offset(new_scale, new_offset);
 }
 
-
 void View::set_scale_offset(double scale, double offset)
 {
        _scale = scale;
@@ -148,6 +159,45 @@ void View::set_scale_offset(double scale, double offset)
        update_scroll();
        _ruler->update();
        _viewport->update();
+       scale_offset_changed();
+}
+
+vector< shared_ptr<Trace> > View::get_traces() const
+{
+       const vector< shared_ptr<Signal> > sigs(
+               session().get_signals());
+       const vector< shared_ptr<DecodeSignal> > decode_sigs(
+               session().get_decode_signals());
+       vector< shared_ptr<Trace> > traces(
+               sigs.size() + decode_sigs.size());
+
+       vector< shared_ptr<Trace> >::iterator i = traces.begin();
+       i = copy(sigs.begin(), sigs.end(), i);
+       i = copy(decode_sigs.begin(), decode_sigs.end(), i);
+
+       sort(traces.begin(), traces.end(), compare_trace_v_offsets);
+       return traces;
+}
+
+list<weak_ptr<SelectableItem> > View::selected_items() const
+{
+       list<weak_ptr<SelectableItem> > items;
+
+       // List the selected signals
+       const vector< shared_ptr<Trace> > traces(get_traces());
+       BOOST_FOREACH (shared_ptr<Trace> t, traces) {
+               assert(t);
+               if (t->selected())
+                       items.push_back(t);
+       }
+
+       // List the selected cursors
+       if (_cursors.first()->selected())
+               items.push_back(_cursors.first());
+       if (_cursors.second()->selected())
+               items.push_back(_cursors.second());
+
+       return items;
 }
 
 bool View::cursors_shown() const
@@ -162,7 +212,21 @@ void View::show_cursors(bool show)
        _viewport->update();
 }
 
-std::pair<Cursor, Cursor>& View::cursors()
+void View::centre_cursors()
+{
+       const double time_width = _scale * _viewport->width();
+       _cursors.first()->set_time(_offset + time_width * 0.4);
+       _cursors.second()->set_time(_offset + time_width * 0.6);
+       _ruler->update();
+       _viewport->update();
+}
+
+CursorPair& View::cursors()
+{
+       return _cursors;
+}
+
+const CursorPair& View::cursors() const
 {
        return _cursors;
 }
@@ -174,20 +238,26 @@ const QPoint& View::hover_point() const
 
 void View::normalize_layout()
 {
-       const vector< shared_ptr<Signal> > sigs(_session.get_signals());
+       const vector< shared_ptr<Trace> > traces(get_traces());
 
        int v_min = INT_MAX;
-       BOOST_FOREACH(const shared_ptr<Signal> s, sigs)
-               v_min = min(s->get_v_offset(), v_min);
+       BOOST_FOREACH(const shared_ptr<Trace> t, traces)
+               v_min = min(t->get_v_offset(), v_min);
 
        const int delta = -min(v_min, 0);
-       BOOST_FOREACH(shared_ptr<Signal> s, sigs)
-               s->set_v_offset(s->get_v_offset() + delta);
+       BOOST_FOREACH(shared_ptr<Trace> t, traces)
+               t->set_v_offset(t->get_v_offset() + delta);
 
        verticalScrollBar()->setSliderPosition(_v_offset + delta);
        v_scroll_value_changed(verticalScrollBar()->sliderPosition());
 }
 
+void View::update_viewport()
+{
+       assert(_viewport);
+       _viewport->update();
+}
+
 void View::get_scroll_layout(double &length, double &offset) const
 {
        const shared_ptr<data::SignalData> sig_data = _session.get_data();
@@ -231,16 +301,12 @@ void View::update_scroll()
                areaSize.height());
 }
 
-void View::reset_signal_layout()
+bool View::compare_trace_v_offsets(const shared_ptr<Trace> &a,
+       const shared_ptr<Trace> &b)
 {
-       int offset = SignalMargin + SignalHeight;
-       const vector< shared_ptr<Signal> > sigs(_session.get_signals());
-       BOOST_FOREACH(shared_ptr<Signal> s, sigs) {
-               s->set_v_offset(offset);
-               offset += SignalHeight + 2 * SignalMargin;
-       }
-
-       normalize_layout();
+       assert(a);
+       assert(b);
+       return a->get_v_offset() < b->get_v_offset();
 }
 
 bool View::eventFilter(QObject *object, QEvent *event)
@@ -320,7 +386,15 @@ void View::v_scroll_value_changed(int value)
 
 void View::signals_changed()
 {
-       reset_signal_layout();
+       int offset = SignalMargin + SignalHeight;
+       const vector< shared_ptr<Trace> > traces(get_traces());
+       BOOST_FOREACH(shared_ptr<Trace> t, traces) {
+               t->set_view(this);
+               t->set_v_offset(offset);
+               offset += SignalHeight + 2 * SignalMargin;
+       }
+
+       normalize_layout();
 }
 
 void View::data_updated()