]> sigrok.org Git - pulseview.git/blobdiff - pv/view/logicsignal.cpp
LogicSignal: Only draw the trigger marker for enabled channels.
[pulseview.git] / pv / view / logicsignal.cpp
index 0b4426475d6e52a36e7f87f96a58933e144a903c..63d15314cdcf23470261f72a82dafedde51619e3 100644 (file)
 
 #include <extdef.h>
 
-#include <math.h>
+#include <cassert>
+#include <cmath>
 
+#include <algorithm>
+
+#include <QApplication>
 #include <QFormLayout>
 #include <QToolBar>
 
-#include "logicsignal.h"
-#include "view.h"
+#include "logicsignal.hpp"
+#include "view.hpp"
+
+#include <pv/session.hpp>
+#include <pv/devicemanager.hpp>
+#include <pv/devices/device.hpp>
+#include <pv/data/logic.hpp>
+#include <pv/data/logicsegment.hpp>
+#include <pv/view/view.hpp>
 
-#include <pv/sigsession.h>
-#include <pv/device/devinst.h>
-#include <pv/data/logic.h>
-#include <pv/data/logicsnapshot.h>
-#include <pv/view/view.h>
+#include <libsigrokcxx/libsigrokcxx.hpp>
 
-using boost::shared_ptr;
 using std::deque;
 using std::max;
+using std::make_pair;
 using std::min;
 using std::pair;
+using std::shared_ptr;
 using std::vector;
 
+using sigrok::Channel;
+using sigrok::ConfigKey;
+using sigrok::Error;
+using sigrok::Trigger;
+using sigrok::TriggerStage;
+using sigrok::TriggerMatch;
+using sigrok::TriggerMatchType;
+
 namespace pv {
 namespace view {
 
@@ -63,18 +79,50 @@ const QColor LogicSignal::SignalColours[10] = {
        QColor(0xEE, 0xEE, 0xEC),       // White
 };
 
-LogicSignal::LogicSignal(shared_ptr<pv::device::DevInst> dev_inst,
-       const sr_channel *const probe, shared_ptr<data::Logic> data) :
-       Signal(dev_inst, probe),
-       _data(data),
-       _trigger_none(NULL),
-       _trigger_rising(NULL),
-       _trigger_high(NULL),
-       _trigger_falling(NULL),
-       _trigger_low(NULL),
-       _trigger_change(NULL)
+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::Session &session,
+       shared_ptr<devices::Device> device,
+       shared_ptr<Channel> channel,
+       shared_ptr<data::Logic> data) :
+       Signal(session, channel),
+       signal_height_(QFontMetrics(QApplication::font()).height() * 2),
+       device_(device),
+       data_(data),
+       trigger_none_(nullptr),
+       trigger_rising_(nullptr),
+       trigger_high_(nullptr),
+       trigger_falling_(nullptr),
+       trigger_low_(nullptr),
+       trigger_change_(nullptr)
 {
-       _colour = SignalColours[probe->index % countof(SignalColours)];
+       shared_ptr<Trigger> trigger;
+
+       colour_ = SignalColours[channel->index() % countof(SignalColours)];
+
+       /* Populate this channel's trigger setting with whatever we
+        * find in the current session trigger, if anything. */
+       trigger_match_ = nullptr;
+       if ((trigger = session_.session()->trigger()))
+               for (auto stage : trigger->stages())
+                       for (auto match : stage->matches())
+                               if (match->channel() == channel_)
+                                       trigger_match_ = match->type();
 }
 
 LogicSignal::~LogicSignal()
@@ -83,71 +131,90 @@ LogicSignal::~LogicSignal()
 
 shared_ptr<pv::data::SignalData> LogicSignal::data() const
 {
-       return _data;
+       return data_;
 }
 
 shared_ptr<pv::data::Logic> LogicSignal::logic_data() const
 {
-       return _data;
+       return data_;
+}
+
+void LogicSignal::set_logic_data(std::shared_ptr<pv::data::Logic> data)
+{
+       data_ = data;
 }
 
-void LogicSignal::paint_back(QPainter &p, int left, int right)
+std::pair<int, int> LogicSignal::v_extents() const
 {
-       if (_probe->enabled)
-               paint_axis(p, get_y(), left, right);
+       const int signal_margin =
+               QFontMetrics(QApplication::font()).height() / 2;
+       return make_pair(-signal_height_ - signal_margin, signal_margin);
 }
 
-void LogicSignal::paint_mid(QPainter &p, int left, int right)
+int LogicSignal::scale_handle_offset() const
 {
-       using pv::view::View;
+       return -signal_height_;
+}
+
+void LogicSignal::scale_handle_dragged(int offset)
+{
+       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_back(QPainter &p, const ViewItemPaintParams &pp)
+{
+       if (channel_->enabled())
+               paint_axis(p, pp, get_visual_y());
+}
 
+void LogicSignal::paint_mid(QPainter &p, const ViewItemPaintParams &pp)
+{
        QLineF *line;
 
        vector< pair<int64_t, bool> > edges;
 
-       assert(_probe);
-       assert(_data);
-       assert(right >= left);
+       assert(channel_);
+       assert(data_);
+       assert(owner_);
 
-       assert(_view);
-       const int y = _v_offset - _view->v_offset();
-       
-       const double scale = _view->scale();
-       assert(scale > 0);
-       
-       const double offset = _view->offset();
+       const int y = get_visual_y();
 
-       if (!_probe->enabled)
+       if (!channel_->enabled())
                return;
 
-       const float high_offset = y - View::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 =
+               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, _probe->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, channel_->index());
        assert(edges.size() >= 2);
 
        // Paint the edges
@@ -155,11 +222,9 @@ void LogicSignal::paint_mid(QPainter &p, int left, int right)
        QLineF *const edge_lines = new QLineF[edge_count];
        line = edge_lines;
 
-       for (vector<pv::data::LogicSnapshot::EdgePair>::const_iterator i =
-                       edges.begin() + 1;
-               i != edges.end() - 1; i++) {
+       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);
        }
 
@@ -173,14 +238,51 @@ 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_ || !channel_->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,
@@ -188,8 +290,7 @@ void LogicSignal::paint_caps(QPainter &p, QLineF *const lines,
 {
        QLineF *line = lines;
 
-       for (vector<pv::data::LogicSnapshot::EdgePair>::const_iterator i =
-               edges.begin(); i != (edges.end() - 1); i++)
+       for (auto i = edges.begin(); i != (edges.end() - 1); i++)
                if ((*i).second == level) {
                        *line++ = QLineF(
                                ((*i).first / samples_per_pixel -
@@ -203,150 +304,199 @@ 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_none()));
+       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_rising()));
+       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_high()));
+       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_falling()));
+       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_low()));
+       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_change()));
+       trigger_change_->setCheckable(true);
+       connect(trigger_change_, SIGNAL(triggered()), this, SLOT(on_trigger()));
 }
 
-void LogicSignal::populate_popup_form(QWidget *parent, QFormLayout *form)
+const vector<int32_t> LogicSignal::get_trigger_types() const
 {
-       GVariant *gvar;
-
-       Signal::populate_popup_form(parent, form);
-
-       // Add the trigger actions
-       assert(_dev_inst);
-       if ((gvar = _dev_inst->list_config(NULL, SR_CONF_TRIGGER_TYPE)))
-       {
-               const char *const trig_types =
-                       g_variant_get_string(gvar, NULL);
-
-               if (trig_types && trig_types[0] != '\0')
-               {
-                       _trigger_bar = new QToolBar(parent);
-
-                       init_trigger_actions(_trigger_bar);
-                       _trigger_bar->addAction(_trigger_none);
-                       add_trigger_action(trig_types, 'r', _trigger_rising);
-                       add_trigger_action(trig_types, '1', _trigger_high);
-                       add_trigger_action(trig_types, 'f', _trigger_falling);
-                       add_trigger_action(trig_types, '0', _trigger_low);
-                       add_trigger_action(trig_types, 'c', _trigger_change);
-               
-                       update_trigger_actions();
-
-                       form->addRow(tr("Trigger"), _trigger_bar);
+       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;
                }
-
-               g_variant_unref(gvar);
        }
+
+       return vector<int32_t>();
 }
 
-void LogicSignal::add_trigger_action(const char *trig_types, char type,
-       QAction *action)
+QAction* LogicSignal::action_from_trigger_type(const TriggerMatchType *type)
 {
-       while(*trig_types)
-               if(*trig_types++ == type) {
-                       _trigger_bar->addAction(action);
+       QAction *action;
+
+       action = trigger_none_;
+       if (type) {
+               switch (type->id()) {
+               case SR_TRIGGER_ZERO:
+                       action = trigger_low_;
+                       break;
+               case SR_TRIGGER_ONE:
+                       action = trigger_high_;
+                       break;
+               case SR_TRIGGER_RISING:
+                       action = trigger_rising_;
                        break;
+               case SR_TRIGGER_FALLING:
+                       action = trigger_falling_;
+                       break;
+               case SR_TRIGGER_EDGE:
+                       action = trigger_change_;
+                       break;
+               default:
+                       assert(0);
                }
+       }
+
+       return action;
 }
 
-void LogicSignal::update_trigger_actions()
+const TriggerMatchType *LogicSignal::trigger_type_from_action(QAction *action)
 {
-       const char cur_trigger = _probe->trigger ?
-               _probe->trigger[0] : '\0';
-       _trigger_none->setChecked(cur_trigger == '\0');
-       _trigger_rising->setChecked(cur_trigger == 'r');
-       _trigger_high->setChecked(cur_trigger == '1');
-       _trigger_falling->setChecked(cur_trigger == 'f');
-       _trigger_low->setChecked(cur_trigger == '0');
-       _trigger_change->setChecked(cur_trigger == 'c');
+       if (action == trigger_low_)
+               return TriggerMatchType::ZERO;
+       else if (action == trigger_high_)
+               return TriggerMatchType::ONE;
+       else if (action == trigger_rising_)
+               return TriggerMatchType::RISING;
+       else if (action == trigger_falling_)
+               return TriggerMatchType::FALLING;
+       else if (action == trigger_change_)
+               return TriggerMatchType::EDGE;
+       else
+               return nullptr;
 }
 
-void LogicSignal::set_trigger(char type)
+void LogicSignal::populate_popup_form(QWidget *parent, QFormLayout *form)
 {
-       const char trigger_type_string[2] = {type, 0};
-       const char *const trigger_string =
-               (type != 0) ? trigger_type_string : NULL;
-
-       assert(_dev_inst);
-       const sr_dev_inst *const sdi = _dev_inst->dev_inst();
-       assert(sdi);
+       Signal::populate_popup_form(parent, form);
 
-       const int probe_count = g_slist_length(sdi->channels);
-       assert(probe_count > 0);
+       const vector<int32_t> trig_types = get_trigger_types();
 
-       assert(_probe && _probe->index < probe_count);
+       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 (int i = 0; i < probe_count; i++) {
-               sr_dev_trigger_set(sdi, i, (i == _probe->index) ?
-                       trigger_string : NULL);
+               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_);
        }
-
-       update_trigger_actions();
 }
 
-void LogicSignal::on_trigger_none()
+void LogicSignal::modify_trigger()
 {
-       set_trigger('\0');      
-}
+       auto trigger = session_.session()->trigger();
+       auto new_trigger = session_.device_manager().context()->create_trigger("pulseview");
+
+       if (trigger) {
+               for (auto stage : trigger->stages()) {
+                       const auto &matches = stage->matches();
+                       if (std::none_of(matches.begin(), matches.end(),
+                           [&](shared_ptr<TriggerMatch> match) {
+                                       return match->channel() != channel_; }))
+                               continue;
+
+                       auto new_stage = new_trigger->add_stage();
+                       for (auto match : stage->matches()) {
+                               if (match->channel() == channel_)
+                                       continue;
+                               new_stage->add_match(match->channel(), match->type());
+                       }
+               }
+       }
 
-void LogicSignal::on_trigger_rising()
-{
-       set_trigger('r');       
-}
+       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();
 
-void LogicSignal::on_trigger_high()
-{
-       set_trigger('1');       
+               new_trigger->stages().back()->add_match(channel_, trigger_match_);
+       }
+
+       session_.session()->set_trigger(
+               new_trigger->stages().empty() ? nullptr : new_trigger);
+
+       if (owner_)
+               owner_->row_item_appearance_changed(false, true);
 }
 
-void LogicSignal::on_trigger_falling()
+const QIcon* LogicSignal::get_icon(const char *path)
 {
-       set_trigger('f');       
+       const QIcon *icon = icon_cache_.take(path);
+       if (!icon) {
+               icon = new QIcon(path);
+               icon_cache_.insert(path, icon);
+       }
+
+       return icon;
 }
 
-void LogicSignal::on_trigger_low()
+const QPixmap* LogicSignal::get_pixmap(const char *path)
 {
-       set_trigger('0');       
+       const QPixmap *pixmap = pixmap_cache_.take(path);
+       if (!pixmap) {
+               pixmap = new QPixmap(path);
+               pixmap_cache_.insert(path, pixmap);
+       }
+
+       return pixmap;
 }
 
-void LogicSignal::on_trigger_change()
+void LogicSignal::on_trigger()
 {
-       set_trigger('c');       
+       QAction *action;
+
+       action_from_trigger_type(trigger_match_)->setChecked(false);
+
+       action = (QAction *)sender();
+       action->setChecked(true);
+       trigger_match_ = trigger_type_from_action(action);
+
+       modify_trigger();
 }
 
 } // namespace view