#include <mutex>
#include <unordered_set>
+#include <boost/thread/locks.hpp>
+
#include <QApplication>
#include <QEvent>
#include <QFontMetrics>
#include <libsigrokcxx/libsigrokcxx.hpp>
-#include "decodetrace.hpp"
+#include "analogsignal.hpp"
#include "header.hpp"
#include "logicsignal.hpp"
#include "ruler.hpp"
#include "signal.hpp"
#include "tracegroup.hpp"
+#include "triggermarker.hpp"
#include "view.hpp"
#include "viewport.hpp"
#include "pv/data/logicsegment.hpp"
#include "pv/util.hpp"
+#ifdef ENABLE_DECODE
+#include "decodetrace.hpp"
+#endif
+
using boost::shared_lock;
using boost::shared_mutex;
using pv::util::TimeUnit;
using pv::util::Timestamp;
+using std::back_inserter;
+using std::copy_if;
using std::deque;
using std::dynamic_pointer_cast;
using std::inserter;
using std::lock_guard;
using std::max;
using std::make_pair;
+using std::make_shared;
using std::min;
using std::pair;
using std::set;
show_cursors_(false),
cursors_(new CursorPair(*this)),
next_flag_text_('A'),
+ trigger_markers_(),
hover_point_(-1, -1)
{
connect(horizontalScrollBar(), SIGNAL(valueChanged(int)),
items.push_back(cursors_);
items.push_back(cursors_->first());
items.push_back(cursors_->second());
+
+ for (auto trigger_marker : trigger_markers_)
+ items.push_back(trigger_marker);
+
return items;
}
if (visible_data.empty())
return;
- double samplerate = 0.0;
- for (const shared_ptr<SignalData> d : visible_data) {
- assert(d);
- const vector< shared_ptr<Segment> > segments =
- d->segments();
- for (const shared_ptr<Segment> &s : segments)
- samplerate = max(samplerate, s->samplerate());
- }
-
- if (samplerate == 0.0)
- return;
-
assert(viewport_);
const int w = viewport_->width();
if (w <= 0)
return;
- set_zoom(1.0 / samplerate, w / 2);
+ set_zoom(1.0 / session_.get_samplerate(), w / 2);
}
void View::set_scale_offset(double scale, const Timestamp& offset)
set< shared_ptr<SignalData> > View::get_visible_data() const
{
- shared_lock<shared_mutex> lock(session().signals_mutex());
- const unordered_set< shared_ptr<Signal> > &sigs(session().signals());
+ const unordered_set< shared_ptr<Signal> > sigs(session().signals());
// Make a set of all the visible data objects
set< shared_ptr<SignalData> > visible_data;
{
boost::optional<Timestamp> left_time, right_time;
const set< shared_ptr<SignalData> > visible_data = get_visible_data();
- for (const shared_ptr<SignalData> d : visible_data)
- {
+ for (const shared_ptr<SignalData> d : visible_data) {
const vector< shared_ptr<Segment> > segments =
d->segments();
for (const shared_ptr<Segment> &s : segments) {
sticky_scrolling_ = state;
}
+void View::enable_coloured_bg(bool state)
+{
+ const vector<shared_ptr<TraceTreeItem>> items(
+ list_by_type<TraceTreeItem>());
+
+ for (shared_ptr<TraceTreeItem> i : items) {
+ // Can't cast to Trace because it's abstract, so we need to
+ // check for any derived classes individually
+
+ shared_ptr<AnalogSignal> a = dynamic_pointer_cast<AnalogSignal>(i);
+ if (a)
+ a->set_coloured_bg(state);
+
+ shared_ptr<LogicSignal> l = dynamic_pointer_cast<LogicSignal>(i);
+ if (l)
+ l->set_coloured_bg(state);
+
+#ifdef ENABLE_DECODE
+ shared_ptr<DecodeTrace> d = dynamic_pointer_cast<DecodeTrace>(i);
+ if (d)
+ d->set_coloured_bg(state);
+#endif
+ }
+
+ viewport_->update();
+}
+
bool View::cursors_shown() const
{
return show_cursors_;
{
flags_.push_back(shared_ptr<Flag>(new Flag(*this, time,
QString("%1").arg(next_flag_text_))));
+
next_flag_text_ = (next_flag_text_ >= 'Z') ? 'A' :
(next_flag_text_ + 1);
+
time_item_appearance_changed(true, true);
}
return hover_point_;
}
-void View::update_viewport()
-{
- assert(viewport_);
- viewport_->update();
- header_->update();
-}
-
void View::restack_all_trace_tree_items()
{
// Make a list of owners that is sorted from deepest first
+ const vector<shared_ptr<TraceTreeItem>> items(
+ list_by_type<TraceTreeItem>());
set< TraceTreeItemOwner* > owners;
- for (const auto &r : *this)
+ for (const auto &r : items)
owners.insert(r->owner());
vector< TraceTreeItemOwner* > sorted_owners(owners.begin(), owners.end());
sort(sorted_owners.begin(), sorted_owners.end(),
for (auto &o : sorted_owners)
o->restack_items();
+ // Re-assign background colors
+ bool next_bgcolour_state = 0;
+
+ for (auto &o : sorted_owners)
+ next_bgcolour_state = o->reassign_bgcolour_states(next_bgcolour_state);
+
// Animate the items to their destination
- const vector< shared_ptr<TraceTreeItem> > items(
- list_by_type<TraceTreeItem>());
for (const auto &i : items)
i->animate_to_layout_v_offset();
}
+void View::trigger_event(util::Timestamp location)
+{
+ trigger_markers_.push_back(shared_ptr<TriggerMarker>(
+ new TriggerMarker(*this, location)));
+}
+
void View::get_scroll_layout(double &length, Timestamp &offset) const
{
const pair<Timestamp, Timestamp> extents = get_time_extents();
verticalScrollBar()->setSingleStep(areaSize.height() / 8);
const pair<int, int> extents = v_extents();
- verticalScrollBar()->setRange(extents.first - (areaSize.height() / 2),
- extents.second - (areaSize.height() / 2));
+
+ // Don't change the scrollbar range if there are no traces
+ if (extents.first != extents.second)
+ verticalScrollBar()->setRange(extents.first - areaSize.height(),
+ extents.second);
+
+ if (scroll_needs_defaults)
+ set_scroll_default();
+}
+
+void View::reset_scroll()
+{
+ verticalScrollBar()->setRange(0, 0);
+}
+
+void View::set_scroll_default()
+{
+ assert(viewport_);
+
+ const QSize areaSize = viewport_->size();
+
+ // Special case: when starting up and the window isn't visible yet,
+ // areaSize is [0, 0]. In this case we want to be called again later
+ if (areaSize.height() == 0) {
+ scroll_needs_defaults = true;
+ return;
+ } else {
+ scroll_needs_defaults = false;
+ }
+
+ const pair<int, int> extents = v_extents();
+ const int trace_height = extents.second - extents.first;
+
+ // Do all traces fit in the view?
+ if (areaSize.height() >= trace_height)
+ // Center all traces vertically
+ set_v_offset(extents.first -
+ ((areaSize.height() - trace_height) / 2));
+ else
+ // Put the first trace at the top, letting the bottom ones overflow
+ set_v_offset(extents.first);
}
void View::update_layout()
update_scroll();
}
-void View::paint_label(QPainter &p, const QRect &rect, bool hover)
-{
- (void)p;
- (void)rect;
- (void)hover;
-}
-
-QRectF View::label_rect(const QRectF &rect)
-{
- (void)rect;
- return QRectF();
-}
-
TraceTreeItemOwner* View::find_prevalent_trace_group(
const shared_ptr<sigrok::ChannelGroup> &group,
const unordered_map<shared_ptr<sigrok::Channel>, shared_ptr<Signal> >
{
vector< shared_ptr<Trace> > filtered_traces;
- for (const auto &channel : channels)
- {
+ for (const auto &channel : channels) {
const auto map_iter = signal_map.find(channel);
if (map_iter == signal_map.end())
continue;
{
// Check whether we know the sample rate and hence can use time as the unit
if (time_unit_ == util::TimeUnit::Samples) {
- shared_lock<shared_mutex> lock(session().signals_mutex());
- const unordered_set< shared_ptr<Signal> > &sigs(session().signals());
+ const unordered_set< shared_ptr<Signal> > sigs(session().signals());
// Check all signals but...
for (const shared_ptr<Signal> signal : sigs) {
return QObject::eventFilter(object, event);
}
-bool View::viewportEvent(QEvent *e)
+bool View::viewportEvent(QEvent *event)
{
- switch(e->type()) {
+ switch (event->type()) {
case QEvent::Paint:
case QEvent::MouseButtonPress:
case QEvent::MouseButtonRelease:
case QEvent::TouchUpdate:
case QEvent::TouchEnd:
return false;
-
default:
- return QAbstractScrollArea::viewportEvent(e);
+ return QAbstractScrollArea::viewportEvent(event);
}
}
void View::signals_changed()
{
- vector< shared_ptr<TraceTreeItem> > new_top_level_items;
+ using sigrok::Channel;
- const auto device = session_.device();
- if (!device)
- return;
+ vector< shared_ptr<Channel> > channels;
+ shared_ptr<sigrok::Device> sr_dev;
- shared_ptr<sigrok::Device> sr_dev = device->device();
- assert(sr_dev);
+ // Do we need to set the vertical scrollbar to its default position later?
+ // We do if there are no traces, i.e. the scroll bar has no range set
+ bool reset_scrollbar =
+ verticalScrollBar()->minimum() == verticalScrollBar()->maximum();
+
+ if (!session_.device()) {
+ reset_scroll();
+ } else {
+ assert(sr_dev);
+ sr_dev = session_.device()->device();
+ channels = sr_dev->channels();
+ }
+
+ vector< shared_ptr<TraceTreeItem> > new_top_level_items;
// Make a list of traces that are being added, and a list of traces
// that are being removed
const set<shared_ptr<Trace>> prev_traces(
prev_trace_list.begin(), prev_trace_list.end());
- shared_lock<shared_mutex> lock(session_.signals_mutex());
- const unordered_set< shared_ptr<Signal> > &sigs(session_.signals());
+ const unordered_set< shared_ptr<Signal> > sigs(session_.signals());
set< shared_ptr<Trace> > traces(sigs.begin(), sigs.end());
signal_map[sig->channel()] = sig;
// Populate channel groups
- for (auto entry : sr_dev->channel_groups())
- {
- const shared_ptr<sigrok::ChannelGroup> &group = entry.second;
-
- if (group->channels().size() <= 1)
- continue;
+ if (sr_dev)
+ for (auto entry : sr_dev->channel_groups()) {
+ const shared_ptr<sigrok::ChannelGroup> &group = entry.second;
+
+ if (group->channels().size() <= 1)
+ continue;
+
+ // Find best trace group to add to
+ TraceTreeItemOwner *owner = find_prevalent_trace_group(
+ group, signal_map);
+
+ // If there is no trace group, create one
+ shared_ptr<TraceGroup> new_trace_group;
+ if (!owner) {
+ new_trace_group.reset(new TraceGroup());
+ owner = new_trace_group.get();
+ }
+
+ // Extract traces for the trace group, removing them from
+ // the add list
+ const vector< shared_ptr<Trace> > new_traces_in_group =
+ extract_new_traces_for_channels(group->channels(),
+ signal_map, add_traces);
+
+ // Add the traces to the group
+ const pair<int, int> prev_v_extents = owner->v_extents();
+ int offset = prev_v_extents.second - prev_v_extents.first;
+ for (shared_ptr<Trace> trace : new_traces_in_group) {
+ assert(trace);
+ owner->add_child_item(trace);
+
+ const pair<int, int> extents = trace->v_extents();
+ if (trace->enabled())
+ offset += -extents.first;
+ trace->force_to_v_offset(offset);
+ if (trace->enabled())
+ offset += extents.second;
+ }
+
+ if (new_trace_group) {
+ // Assign proper vertical offsets to each channel in the group
+ new_trace_group->restack_items();
+
+ // If this is a new group, enqueue it in the new top level
+ // items list
+ if (!new_traces_in_group.empty())
+ new_top_level_items.push_back(new_trace_group);
+ }
+ }
- // Find best trace group to add to
- TraceTreeItemOwner *owner = find_prevalent_trace_group(
- group, signal_map);
+ // Enqueue the remaining logic channels in a group
+ vector< shared_ptr<Channel> > logic_channels;
+ copy_if(channels.begin(), channels.end(), back_inserter(logic_channels),
+ [](const shared_ptr<Channel>& c) {
+ return c->type() == sigrok::ChannelType::LOGIC; });
- // If there is no trace group, create one
- shared_ptr<TraceGroup> new_trace_group;
- if (!owner) {
- new_trace_group.reset(new TraceGroup());
- owner = new_trace_group.get();
- }
+ const vector< shared_ptr<Trace> > non_grouped_logic_signals =
+ extract_new_traces_for_channels(logic_channels, signal_map, add_traces);
- // Extract traces for the trace group, removing them from
- // the add list
- const vector< shared_ptr<Trace> > new_traces_in_group =
- extract_new_traces_for_channels(group->channels(),
- signal_map, add_traces);
-
- // Add the traces to the group
- const pair<int, int> prev_v_extents = owner->v_extents();
- int offset = prev_v_extents.second - prev_v_extents.first;
- for (shared_ptr<Trace> trace : new_traces_in_group) {
- assert(trace);
- owner->add_child_item(trace);
-
- const pair<int, int> extents = trace->v_extents();
- if (trace->enabled())
- offset += -extents.first;
- trace->force_to_v_offset(offset);
- if (trace->enabled())
- offset += extents.second;
- }
+ if (non_grouped_logic_signals.size() > 0) {
+ const shared_ptr<TraceGroup> non_grouped_trace_group(
+ make_shared<TraceGroup>());
+ for (shared_ptr<Trace> trace : non_grouped_logic_signals)
+ non_grouped_trace_group->add_child_item(trace);
- // If this is a new group, enqueue it in the new top level
- // items list
- if (!new_traces_in_group.empty() && new_trace_group)
- new_top_level_items.push_back(new_trace_group);
+ non_grouped_trace_group->restack_items();
+ new_top_level_items.push_back(non_grouped_trace_group);
}
// Enqueue the remaining channels as free ungrouped traces
const vector< shared_ptr<Trace> > new_top_level_signals =
- extract_new_traces_for_channels(sr_dev->channels(),
- signal_map, add_traces);
+ extract_new_traces_for_channels(channels, signal_map, add_traces);
new_top_level_items.insert(new_top_level_items.end(),
new_top_level_signals.begin(), new_top_level_signals.end());
owner->remove_child_item(trace);
}
+ // Remove any empty trace groups
+ for (shared_ptr<TraceGroup> group : list_by_type<TraceGroup>())
+ if (group->child_items().size() == 0) {
+ remove_child_item(group);
+ group.reset();
+ }
+
// Add and position the pending top levels items
for (auto item : new_top_level_items) {
add_child_item(item);
- // Position the item after the last present item
+ // Position the item after the last item or at the top if there is none
int offset = v_extents().second;
const pair<int, int> extents = item->v_extents();
+
if (item->enabled())
offset += -extents.first;
+
item->force_to_v_offset(offset);
+
if (item->enabled())
offset += extents.second;
}
header_->update();
viewport_->update();
+
+ if (reset_scrollbar)
+ set_scroll_default();
}
void View::capture_state_updated(int state)
{
- if (state == Session::Running)
+ if (state == Session::Running) {
set_time_unit(util::TimeUnit::Samples);
+ trigger_markers_.clear();
+ }
+
if (state == Session::Stopped) {
// After acquisition has stopped we need to re-calculate the ticks once
// as it's otherwise done when the user pans or zooms, which is too late
void View::on_hover_point_changed()
{
- for (shared_ptr<TraceTreeItem> r : *this)
+ const vector<shared_ptr<TraceTreeItem>> trace_tree_items(
+ list_by_type<TraceTreeItem>());
+ for (shared_ptr<TraceTreeItem> r : trace_tree_items)
r->hover_point_changed();
}