]> 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 5beb39df4fa6b4f126686b97aec6d35ecab731a2..bc0961f6a685afa15ffd7b1bd95732682d9fa0b9 100644 (file)
 
 #include <algorithm>
 
+#include <QApplication>
 #include <QFormLayout>
 #include <QToolBar>
 
 #include "logicsignal.hpp"
 #include "view.hpp"
 
-#include <pv/sigsession.hpp>
+#include <pv/session.hpp>
 #include <pv/devicemanager.hpp>
+#include <pv/devices/device.hpp>
 #include <pv/data/logic.hpp>
-#include <pv/data/logicsnapshot.hpp>
+#include <pv/data/logicsegment.hpp>
+#include <pv/data/signalbase.hpp>
 #include <pv/view/view.hpp>
 
-#include <libsigrok/libsigrok.hpp>
+#include <libsigrokcxx/libsigrokcxx.hpp>
 
 using std::deque;
 using std::max;
@@ -47,9 +50,8 @@ using std::pair;
 using std::shared_ptr;
 using std::vector;
 
-using sigrok::Channel;
 using sigrok::ConfigKey;
-using sigrok::Device;
+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;
 
@@ -81,24 +81,39 @@ const QColor LogicSignal::SignalColours[10] = {
        QColor(0xEE, 0xEE, 0xEC),       // White
 };
 
+QColor LogicSignal::TriggerMarkerBackgroundColour = QColor(0xED, 0xD4, 0x00);
+const int LogicSignal::TriggerMarkerPadding = 2;
+const char* LogicSignal::TriggerMarkerIcons[8] = {
+       nullptr,
+       ":/icons/trigger-marker-low.svg",
+       ":/icons/trigger-marker-high.svg",
+       ":/icons/trigger-marker-rising.svg",
+       ":/icons/trigger-marker-falling.svg",
+       ":/icons/trigger-marker-change.svg",
+       nullptr,
+       nullptr
+};
+
+QCache<QString, const QIcon> LogicSignal::icon_cache_;
+QCache<QString, const QPixmap> LogicSignal::pixmap_cache_;
+
 LogicSignal::LogicSignal(
-       pv::SigSession &session,
-       shared_ptr<Device> device,
-       shared_ptr<Channel> channel,
-       shared_ptr<data::Logic> data) :
-       Signal(session, channel),
+       pv::Session &session,
+       shared_ptr<devices::Device> device,
+       shared_ptr<data::SignalBase> base) :
+       Signal(session, base),
+       signal_height_(QFontMetrics(QApplication::font()).height() * 2),
        device_(device),
-       data_(data),
-       trigger_none_(NULL),
-       trigger_rising_(NULL),
-       trigger_high_(NULL),
-       trigger_falling_(NULL),
-       trigger_low_(NULL),
-       trigger_change_(NULL)
+       trigger_none_(nullptr),
+       trigger_rising_(nullptr),
+       trigger_high_(nullptr),
+       trigger_falling_(nullptr),
+       trigger_low_(nullptr),
+       trigger_change_(nullptr)
 {
        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. */
@@ -106,89 +121,84 @@ 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();
 }
 
 std::pair<int, int> LogicSignal::v_extents() const
 {
-       return make_pair(-SignalHeight - SignalMargin, SignalMargin);
+       const int signal_margin =
+               QFontMetrics(QApplication::font()).height() / 2;
+       return make_pair(-signal_height_ - signal_margin, signal_margin);
 }
 
-void LogicSignal::paint_back(QPainter &p, int left, int right)
+int LogicSignal::scale_handle_offset() const
 {
-       if (channel_->enabled())
-               paint_axis(p, get_visual_y(), left, right);
+       return -signal_height_;
 }
 
-void LogicSignal::paint_mid(QPainter &p, int left, int right)
+void LogicSignal::scale_handle_dragged(int offset)
 {
-       using pv::view::View;
+       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)
+{
        QLineF *line;
 
        vector< pair<int64_t, bool> > edges;
 
-       assert(channel_);
-       assert(data_);
-       assert(right >= left);
+       assert(base_);
        assert(owner_);
 
        const int y = get_visual_y();
 
-       const View *const view = owner_->view();
-       assert(view);
-
-       const double scale = view->scale();
-       assert(scale > 0);
-
-       const double offset = view->offset();
-
-       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::LogicSnapshot> > &snapshots =
-               data_->get_snapshots();
-       if (snapshots.empty())
+       const deque< shared_ptr<pv::data::LogicSegment> > &segments =
+               base_->logic_data()->logic_segments();
+       if (segments.empty())
                return;
 
-       const shared_ptr<pv::data::LogicSnapshot> &snapshot =
-               snapshots.front();
+       const shared_ptr<pv::data::LogicSegment> &segment =
+               segments.front();
 
-       double samplerate = data_->samplerate();
+       double samplerate = segment->samplerate();
 
        // Show sample rate as 1Hz when it is unknown
        if (samplerate == 0.0)
                samplerate = 1.0;
 
-       const double pixels_offset = offset / scale;
-       const double start_time = data_->get_start_time();
-       const int64_t last_sample = snapshot->get_sample_count() - 1;
-       const double samples_per_pixel = samplerate * scale;
-       const double start = samplerate * (offset - start_time);
-       const double end = start + samples_per_pixel * (right - left);
-
-       snapshot->get_subsampled_edges(edges,
-               min(max((int64_t)floor(start), (int64_t)0), last_sample),
-               min(max((int64_t)ceil(end), (int64_t)0), last_sample),
-               samples_per_pixel / Oversampling, channel_->index());
+       const double pixels_offset = pp.pixels_offset();
+       const pv::util::Timestamp& start_time = segment->start_time();
+       const int64_t last_sample = segment->get_sample_count() - 1;
+       const double samples_per_pixel = samplerate * pp.scale();
+       const pv::util::Timestamp start = samplerate * (pp.offset() - start_time);
+       const pv::util::Timestamp end = start + samples_per_pixel * pp.width();
+
+       const int64_t start_sample = min(max(floor(start).convert_to<int64_t>(),
+               (int64_t)0), last_sample);
+       const uint64_t end_sample = min(max(ceil(end).convert_to<int64_t>(),
+               (int64_t)0), last_sample);
+
+       segment->get_subsampled_edges(edges, start_sample, end_sample,
+               samples_per_pixel / Oversampling, base_->index());
        assert(edges.size() >= 2);
 
        // Paint the edges
@@ -198,7 +208,7 @@ void LogicSignal::paint_mid(QPainter &p, int left, int right)
 
        for (auto i = edges.cbegin() + 1; i != edges.cend() - 1; i++) {
                const float x = ((*i).first / samples_per_pixel -
-                       pixels_offset) + left;
+                       pixels_offset) + pp.left();
                *line++ = QLineF(x, high_offset, x, low_offset);
        }
 
@@ -212,14 +222,51 @@ void LogicSignal::paint_mid(QPainter &p, int left, int right)
 
        p.setPen(HighColour);
        paint_caps(p, cap_lines, edges, true, samples_per_pixel,
-               pixels_offset, left, high_offset);
+               pixels_offset, pp.left(), high_offset);
        p.setPen(LowColour);
        paint_caps(p, cap_lines, edges, false, samples_per_pixel,
-               pixels_offset, left, low_offset);
+               pixels_offset, pp.left(), low_offset);
 
        delete[] cap_lines;
 }
 
+void LogicSignal::paint_fore(QPainter &p, const ViewItemPaintParams &pp)
+{
+       // Draw the trigger marker
+       if (!trigger_match_ || !base_->enabled())
+               return;
+
+       const int y = get_visual_y();
+       const vector<int32_t> trig_types = get_trigger_types();
+       for (int32_t type_id : trig_types) {
+               const TriggerMatchType *const type =
+                       TriggerMatchType::get(type_id);
+               if (trigger_match_ != type || type_id < 0 ||
+                       (size_t)type_id >= countof(TriggerMarkerIcons) ||
+                       !TriggerMarkerIcons[type_id])
+                       continue;
+
+               const QPixmap *const pixmap = get_pixmap(
+                       TriggerMarkerIcons[type_id]);
+               if (!pixmap)
+                       continue;
+
+               const float pad = TriggerMarkerPadding - 0.5f;
+               const QSize size = pixmap->size();
+               const QPoint point(
+                       pp.right() - size.width() - pad * 2,
+                       y - (signal_height_ + size.height()) / 2);
+
+               p.setPen(QPen(TriggerMarkerBackgroundColour.darker()));
+               p.setBrush(TriggerMarkerBackgroundColour);
+               p.drawRoundedRect(QRectF(point, size).adjusted(
+                       -pad, -pad, pad, pad), pad, pad);
+               p.drawPixmap(point, *pixmap);
+
+               break;
+       }
+}
+
 void LogicSignal::paint_caps(QPainter &p, QLineF *const lines,
        vector< pair<int64_t, bool> > &edges, bool level,
        double samples_per_pixel, double pixels_offset, float x_offset,
@@ -241,38 +288,63 @@ void LogicSignal::paint_caps(QPainter &p, QLineF *const lines,
 
 void LogicSignal::init_trigger_actions(QWidget *parent)
 {
-       trigger_none_ = new QAction(QIcon(":/icons/trigger-none.svg"),
+       trigger_none_ = new QAction(*get_icon(":/icons/trigger-none.svg"),
                tr("No trigger"), parent);
        trigger_none_->setCheckable(true);
        connect(trigger_none_, SIGNAL(triggered()), this, SLOT(on_trigger()));
 
-       trigger_rising_ = new QAction(QIcon(":/icons/trigger-rising.svg"),
+       trigger_rising_ = new QAction(*get_icon(":/icons/trigger-rising.svg"),
                tr("Trigger on rising edge"), parent);
        trigger_rising_->setCheckable(true);
        connect(trigger_rising_, SIGNAL(triggered()), this, SLOT(on_trigger()));
 
-       trigger_high_ = new QAction(QIcon(":/icons/trigger-high.svg"),
+       trigger_high_ = new QAction(*get_icon(":/icons/trigger-high.svg"),
                tr("Trigger on high level"), parent);
        trigger_high_->setCheckable(true);
        connect(trigger_high_, SIGNAL(triggered()), this, SLOT(on_trigger()));
 
-       trigger_falling_ = new QAction(QIcon(":/icons/trigger-falling.svg"),
+       trigger_falling_ = new QAction(*get_icon(":/icons/trigger-falling.svg"),
                tr("Trigger on falling edge"), parent);
        trigger_falling_->setCheckable(true);
        connect(trigger_falling_, SIGNAL(triggered()), this, SLOT(on_trigger()));
 
-       trigger_low_ = new QAction(QIcon(":/icons/trigger-low.svg"),
+       trigger_low_ = new QAction(*get_icon(":/icons/trigger-low.svg"),
                tr("Trigger on low level"), parent);
        trigger_low_->setCheckable(true);
        connect(trigger_low_, SIGNAL(triggered()), this, SLOT(on_trigger()));
 
-       trigger_change_ = new QAction(QIcon(":/icons/trigger-change.svg"),
+       trigger_change_ = new QAction(*get_icon(":/icons/trigger-change.svg"),
                tr("Trigger on rising or falling edge"), parent);
        trigger_change_->setCheckable(true);
        connect(trigger_change_, SIGNAL(triggered()), this, SLOT(on_trigger()));
 }
 
-QAction* LogicSignal::match_action(const TriggerMatchType *type)
+const vector<int32_t> LogicSignal::get_trigger_types() const
+{
+       const auto sr_dev = device_->device();
+       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 ttypes;
+       } else {
+               return vector<int32_t>();
+       }
+}
+
+QAction* LogicSignal::action_from_trigger_type(const TriggerMatchType *type)
 {
        QAction *action;
 
@@ -302,7 +374,7 @@ QAction* LogicSignal::match_action(const TriggerMatchType *type)
        return action;
 }
 
-const TriggerMatchType *LogicSignal::action_match(QAction *action)
+const TriggerMatchType *LogicSignal::trigger_type_from_action(QAction *action)
 {
        if (action == trigger_low_)
                return TriggerMatchType::ZERO;
@@ -320,31 +392,25 @@ const TriggerMatchType *LogicSignal::action_match(QAction *action)
 
 void LogicSignal::populate_popup_form(QWidget *parent, QFormLayout *form)
 {
-       Glib::VariantContainerBase gvar;
-       vector<int32_t> trig_types;
-
        Signal::populate_popup_form(parent, form);
 
-       try {
-               gvar = device_->config_list(ConfigKey::TRIGGER_MATCH);
-       } catch (Error e) {
-               return;
-       }
+       const vector<int32_t> trig_types = get_trigger_types();
 
-       trigger_bar_ = new QToolBar(parent);
-       init_trigger_actions(trigger_bar_);
-       trigger_bar_->addAction(trigger_none_);
-       trigger_none_->setChecked(!trigger_match_);
-       trig_types =
-               Glib::VariantBase::cast_dynamic<Glib::Variant<vector<int32_t>>>(
-                       gvar).get();
-       for (auto type_id : trig_types) {
-               auto type = TriggerMatchType::get(type_id);
-               trigger_bar_->addAction(match_action(type));
-               match_action(type)->setChecked(trigger_match_ == type);
-       }
-       form->addRow(tr("Trigger"), trigger_bar_);
+       if (!trig_types.empty()) {
+               trigger_bar_ = new QToolBar(parent);
+               init_trigger_actions(trigger_bar_);
+               trigger_bar_->addAction(trigger_none_);
+               trigger_none_->setChecked(!trigger_match_);
 
+               for (auto type_id : trig_types) {
+                       const TriggerMatchType *const type =
+                               TriggerMatchType::get(type_id);
+                       QAction *const action = action_from_trigger_type(type);
+                       trigger_bar_->addAction(action);
+                       action->setChecked(trigger_match_ == type);
+               }
+               form->addRow(tr("Trigger"), trigger_bar_);
+       }
 }
 
 void LogicSignal::modify_trigger()
@@ -355,39 +421,71 @@ void LogicSignal::modify_trigger()
        if (trigger) {
                for (auto stage : trigger->stages()) {
                        const auto &matches = stage->matches();
-                       if (std::none_of(begin(matches), end(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);
+
+       if (owner_)
+               owner_->row_item_appearance_changed(false, true);
+}
+
+const QIcon* LogicSignal::get_icon(const char *path)
+{
+       if (!icon_cache_.contains(path)) {
+               const QIcon *icon = new QIcon(path);
+               icon_cache_.insert(path, icon);
+       }
+
+       return icon_cache_.take(path);
+}
+
+const QPixmap* LogicSignal::get_pixmap(const char *path)
+{
+       if (!pixmap_cache_.contains(path)) {
+               const QPixmap *pixmap = new QPixmap(path);
+               pixmap_cache_.insert(path, pixmap);
+       }
+
+       return pixmap_cache_.take(path);
 }
 
 void LogicSignal::on_trigger()
 {
        QAction *action;
 
-       match_action(trigger_match_)->setChecked(false);
+       action_from_trigger_type(trigger_match_)->setChecked(false);
 
        action = (QAction *)sender();
        action->setChecked(true);
-       trigger_match_ = action_match(action);
+       trigger_match_ = trigger_type_from_action(action);
 
        modify_trigger();
 }
 
-} // namespace view
+} // namespace TraceView
+} // namespace views
 } // namespace pv