]> sigrok.org Git - pulseview.git/blobdiff - pv/view/logicsignal.cpp
Change namespace for the trace view and implement ViewBase
[pulseview.git] / pv / view / logicsignal.cpp
index d529cabfb80eab75edcb8ccce37d1b5033dd2f1a..bc0961f6a685afa15ffd7b1bd95732682d9fa0b9 100644 (file)
@@ -25,6 +25,7 @@
 
 #include <algorithm>
 
+#include <QApplication>
 #include <QFormLayout>
 #include <QToolBar>
 
@@ -36,6 +37,7 @@
 #include <pv/devices/device.hpp>
 #include <pv/data/logic.hpp>
 #include <pv/data/logicsegment.hpp>
+#include <pv/data/signalbase.hpp>
 #include <pv/view/view.hpp>
 
 #include <libsigrokcxx/libsigrokcxx.hpp>
@@ -48,8 +50,8 @@ using std::pair;
 using std::shared_ptr;
 using std::vector;
 
-using sigrok::Channel;
 using sigrok::ConfigKey;
+using sigrok::Capability;
 using sigrok::Error;
 using sigrok::Trigger;
 using sigrok::TriggerStage;
@@ -57,10 +59,8 @@ using sigrok::TriggerMatch;
 using sigrok::TriggerMatchType;
 
 namespace pv {
-namespace view {
-
-const int LogicSignal::SignalHeight = 30;
-const int LogicSignal::SignalMargin = 10;
+namespace views {
+namespace TraceView {
 
 const float LogicSignal::Oversampling = 2.0f;
 
@@ -100,11 +100,10 @@ QCache<QString, const QPixmap> LogicSignal::pixmap_cache_;
 LogicSignal::LogicSignal(
        pv::Session &session,
        shared_ptr<devices::Device> device,
-       shared_ptr<Channel> channel,
-       shared_ptr<data::Logic> data) :
-       Signal(session, channel),
+       shared_ptr<data::SignalBase> base) :
+       Signal(session, base),
+       signal_height_(QFontMetrics(QApplication::font()).height() * 2),
        device_(device),
-       data_(data),
        trigger_none_(nullptr),
        trigger_rising_(nullptr),
        trigger_high_(nullptr),
@@ -114,7 +113,7 @@ LogicSignal::LogicSignal(
 {
        shared_ptr<Trigger> trigger;
 
-       colour_ = SignalColours[channel->index() % countof(SignalColours)];
+       base_->set_colour(SignalColours[base->index() % countof(SignalColours)]);
 
        /* Populate this channel's trigger setting with whatever we
         * find in the current session trigger, if anything. */
@@ -122,38 +121,37 @@ LogicSignal::LogicSignal(
        if ((trigger = session_.session()->trigger()))
                for (auto stage : trigger->stages())
                        for (auto match : stage->matches())
-                               if (match->channel() == channel_)
+                               if (match->channel() == base_->channel())
                                        trigger_match_ = match->type();
 }
 
-LogicSignal::~LogicSignal()
-{
-}
-
 shared_ptr<pv::data::SignalData> LogicSignal::data() const
 {
-       return data_;
+       return base_->logic_data();
 }
 
 shared_ptr<pv::data::Logic> LogicSignal::logic_data() const
 {
-       return data_;
+       return base_->logic_data();
 }
 
-void LogicSignal::set_logic_data(std::shared_ptr<pv::data::Logic> data)
+std::pair<int, int> LogicSignal::v_extents() const
 {
-       data_ = data;
+       const int signal_margin =
+               QFontMetrics(QApplication::font()).height() / 2;
+       return make_pair(-signal_height_ - signal_margin, signal_margin);
 }
 
-std::pair<int, int> LogicSignal::v_extents() const
+int LogicSignal::scale_handle_offset() const
 {
-       return make_pair(-SignalHeight - SignalMargin, SignalMargin);
+       return -signal_height_;
 }
 
-void LogicSignal::paint_back(QPainter &p, const ViewItemPaintParams &pp)
+void LogicSignal::scale_handle_dragged(int offset)
 {
-       if (channel_->enabled())
-               paint_axis(p, pp, get_visual_y());
+       const int font_height = QFontMetrics(QApplication::font()).height();
+       const int units = (-offset / font_height);
+       signal_height_ = ((units < 1) ? 1 : units) * font_height;
 }
 
 void LogicSignal::paint_mid(QPainter &p, const ViewItemPaintParams &pp)
@@ -162,20 +160,19 @@ void LogicSignal::paint_mid(QPainter &p, const ViewItemPaintParams &pp)
 
        vector< pair<int64_t, bool> > edges;
 
-       assert(channel_);
-       assert(data_);
+       assert(base_);
        assert(owner_);
 
        const int y = get_visual_y();
 
-       if (!channel_->enabled())
+       if (!base_->enabled())
                return;
 
-       const float high_offset = y - SignalHeight + 0.5f;
+       const float high_offset = y - signal_height_ + 0.5f;
        const float low_offset = y + 0.5f;
 
        const deque< shared_ptr<pv::data::LogicSegment> > &segments =
-               data_->logic_segments();
+               base_->logic_data()->logic_segments();
        if (segments.empty())
                return;
 
@@ -201,7 +198,7 @@ void LogicSignal::paint_mid(QPainter &p, const ViewItemPaintParams &pp)
                (int64_t)0), last_sample);
 
        segment->get_subsampled_edges(edges, start_sample, end_sample,
-               samples_per_pixel / Oversampling, channel_->index());
+               samples_per_pixel / Oversampling, base_->index());
        assert(edges.size() >= 2);
 
        // Paint the edges
@@ -236,7 +233,7 @@ void LogicSignal::paint_mid(QPainter &p, const ViewItemPaintParams &pp)
 void LogicSignal::paint_fore(QPainter &p, const ViewItemPaintParams &pp)
 {
        // Draw the trigger marker
-       if (!trigger_match_)
+       if (!trigger_match_ || !base_->enabled())
                return;
 
        const int y = get_visual_y();
@@ -258,7 +255,7 @@ void LogicSignal::paint_fore(QPainter &p, const ViewItemPaintParams &pp)
                const QSize size = pixmap->size();
                const QPoint point(
                        pp.right() - size.width() - pad * 2,
-                       y - (SignalHeight + size.height()) / 2);
+                       y - (signal_height_ + size.height()) / 2);
 
                p.setPen(QPen(TriggerMarkerBackgroundColour.darker()));
                p.setBrush(TriggerMarkerBackgroundColour);
@@ -325,22 +322,26 @@ void LogicSignal::init_trigger_actions(QWidget *parent)
 const vector<int32_t> LogicSignal::get_trigger_types() const
 {
        const auto sr_dev = device_->device();
-       const auto keys = sr_dev->config_keys(ConfigKey::DEVICE_OPTIONS);
-       const auto iter = keys.find(ConfigKey::TRIGGER_MATCH);
-       if (iter != keys.end() &&
-               (*iter).second.find(sigrok::LIST) != (*iter).second.end()) {
-               try {
-                       const Glib::VariantContainerBase gvar =
-                               sr_dev->config_list(ConfigKey::TRIGGER_MATCH);
-                       return Glib::VariantBase::cast_dynamic<
-                               Glib::Variant<vector<int32_t>>>(gvar).get();
-               } catch (Error e) {
-                       // Failed to enumerate triggers
-                       (void)e;
+       if (sr_dev->config_check(ConfigKey::TRIGGER_MATCH, Capability::LIST)) {
+               const Glib::VariantContainerBase gvar =
+                       sr_dev->config_list(ConfigKey::TRIGGER_MATCH);
+
+               vector<int32_t> ttypes;
+
+               for (unsigned int i = 0; i < gvar.get_n_children(); i++) {
+                       Glib::VariantBase tmp_vb;
+                       gvar.get_child(tmp_vb, i);
+
+                       Glib::Variant<int32_t> tmp_v =
+                               Glib::VariantBase::cast_dynamic< Glib::Variant<int32_t> >(tmp_vb);
+
+                       ttypes.push_back(tmp_v.get());
                }
-       }
 
-       return vector<int32_t>();
+               return ttypes;
+       } else {
+               return vector<int32_t>();
+       }
 }
 
 QAction* LogicSignal::action_from_trigger_type(const TriggerMatchType *type)
@@ -422,20 +423,28 @@ void LogicSignal::modify_trigger()
                        const auto &matches = stage->matches();
                        if (std::none_of(matches.begin(), matches.end(),
                            [&](shared_ptr<TriggerMatch> match) {
-                                       return match->channel() != channel_; }))
+                                       return match->channel() != base_->channel(); }))
                                continue;
 
                        auto new_stage = new_trigger->add_stage();
                        for (auto match : stage->matches()) {
-                               if (match->channel() == channel_)
+                               if (match->channel() == base_->channel())
                                        continue;
                                new_stage->add_match(match->channel(), match->type());
                        }
                }
        }
 
-       if (trigger_match_)
-               new_trigger->add_stage()->add_match(channel_, trigger_match_);
+       if (trigger_match_) {
+               // Until we can let the user decide how to group trigger matches
+               // into stages, put all of the matches into a single stage --
+               // most devices only support a single trigger stage.
+               if (new_trigger->stages().empty())
+                       new_trigger->add_stage();
+
+               new_trigger->stages().back()->add_match(base_->channel(),
+                       trigger_match_);
+       }
 
        session_.session()->set_trigger(
                new_trigger->stages().empty() ? nullptr : new_trigger);
@@ -446,24 +455,22 @@ void LogicSignal::modify_trigger()
 
 const QIcon* LogicSignal::get_icon(const char *path)
 {
-       const QIcon *icon = icon_cache_.take(path);
-       if (!icon) {
-               icon = new QIcon(path);
+       if (!icon_cache_.contains(path)) {
+               const QIcon *icon = new QIcon(path);
                icon_cache_.insert(path, icon);
        }
 
-       return icon;
+       return icon_cache_.take(path);
 }
 
 const QPixmap* LogicSignal::get_pixmap(const char *path)
 {
-       const QPixmap *pixmap = pixmap_cache_.take(path);
-       if (!pixmap) {
-               pixmap = new QPixmap(path);
+       if (!pixmap_cache_.contains(path)) {
+               const QPixmap *pixmap = new QPixmap(path);
                pixmap_cache_.insert(path, pixmap);
        }
 
-       return pixmap;
+       return pixmap_cache_.take(path);
 }
 
 void LogicSignal::on_trigger()
@@ -479,5 +486,6 @@ void LogicSignal::on_trigger()
        modify_trigger();
 }
 
-} // namespace view
+} // namespace TraceView
+} // namespace views
 } // namespace pv