X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;ds=sidebyside;f=pv%2Fview%2Fview.cpp;h=d9b02353adaf708f04ea47b2ad4b4cc1112d7bb0;hb=33094993339188a3baef302fb09eff6bf6bb6779;hp=e6be30e0680b48670a885fb0630d25209b9953b7;hpb=1e124d4b75b7b6b6a87b93a4e175d669909c2e04;p=pulseview.git
diff --git a/pv/view/view.cpp b/pv/view/view.cpp
index e6be30e..d9b0235 100644
--- a/pv/view/view.cpp
+++ b/pv/view/view.cpp
@@ -14,8 +14,7 @@
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ * along with this program; if not, see .
*/
#ifdef ENABLE_DECODE
@@ -28,103 +27,173 @@
#include
#include
#include
+#include
#include
-#include
#include
+#include
+#include
+#include
+
#include
#include
#include
#include
#include
+#include
#include
-#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/session.hpp"
-#include "pv/devices/device.hpp"
#include "pv/data/logic.hpp"
#include "pv/data/logicsegment.hpp"
+#include "pv/devices/device.hpp"
+#include "pv/globalsettings.hpp"
+#include "pv/session.hpp"
#include "pv/util.hpp"
-using boost::shared_lock;
-using boost::shared_mutex;
+#ifdef ENABLE_DECODE
+#include "decodetrace.hpp"
+#endif
using pv::data::SignalData;
using pv::data::Segment;
-using pv::util::format_time;
using pv::util::TimeUnit;
+using pv::util::Timestamp;
-using std::deque;
+using std::back_inserter;
+using std::copy_if;
+using std::count_if;
using std::dynamic_pointer_cast;
using std::inserter;
-using std::list;
-using std::lock_guard;
using std::max;
using std::make_pair;
+using std::make_shared;
using std::min;
using std::pair;
using std::set;
using std::set_difference;
using std::shared_ptr;
+using std::stringstream;
using std::unordered_map;
using std::unordered_set;
using std::vector;
-using std::weak_ptr;
namespace pv {
-namespace view {
+namespace views {
+namespace TraceView {
-const double View::MaxScale = 1e9;
-const double View::MinScale = 1e-15;
+const Timestamp View::MaxScale("1e9");
+const Timestamp View::MinScale("1e-12");
const int View::MaxScrollValue = INT_MAX / 2;
-const int View::MaxViewAutoUpdateRate = 25; // No more than 25 Hz with sticky scrolling
const int View::ScaleUnits[3] = {1, 2, 5};
-View::View(Session &session, QWidget *parent) :
- QAbstractScrollArea(parent),
- session_(session),
- viewport_(new Viewport(*this)),
- ruler_(new Ruler(*this)),
- header_(new Header(*this)),
+
+CustomScrollArea::CustomScrollArea(QWidget *parent) :
+ QAbstractScrollArea(parent)
+{
+}
+
+bool CustomScrollArea::viewportEvent(QEvent *event)
+{
+ switch (event->type()) {
+ case QEvent::Paint:
+ case QEvent::MouseButtonPress:
+ case QEvent::MouseButtonRelease:
+ case QEvent::MouseButtonDblClick:
+ case QEvent::MouseMove:
+ case QEvent::Wheel:
+ case QEvent::TouchBegin:
+ case QEvent::TouchUpdate:
+ case QEvent::TouchEnd:
+ return false;
+ default:
+ return QAbstractScrollArea::viewportEvent(event);
+ }
+}
+
+View::View(Session &session, bool is_main_view, QWidget *parent) :
+ ViewBase(session, is_main_view, parent),
+ splitter_(new QSplitter()),
scale_(1e-3),
offset_(0),
updating_scroll_(false),
sticky_scrolling_(false), // Default setting is set in MainWindow::setup_ui()
always_zoom_to_fit_(false),
- tick_period_(0.0),
- tick_prefix_(0),
+ tick_period_(0),
+ tick_prefix_(pv::util::SIPrefix::yocto),
tick_precision_(0),
- time_unit_(util::Time),
+ time_unit_(util::TimeUnit::Time),
show_cursors_(false),
cursors_(new CursorPair(*this)),
next_flag_text_('A'),
- hover_point_(-1, -1)
+ trigger_markers_(),
+ hover_point_(-1, -1),
+ scroll_needs_defaults_(false),
+ saved_v_offset_(0)
{
- connect(horizontalScrollBar(), SIGNAL(valueChanged(int)),
+ QVBoxLayout *root_layout = new QVBoxLayout(this);
+ root_layout->setContentsMargins(0, 0, 0, 0);
+ root_layout->addWidget(splitter_);
+
+ viewport_ = new Viewport(*this);
+ scrollarea_ = new CustomScrollArea(splitter_);
+ scrollarea_->setViewport(viewport_);
+ scrollarea_->setFrameShape(QFrame::NoFrame);
+
+ ruler_ = new Ruler(*this);
+
+ header_ = new Header(*this);
+ header_->setMinimumWidth(15); // So that the arrow tips show at least
+
+ // We put the header into a simple layout so that we can add the top margin,
+ // allowing us to make it line up with the bottom of the ruler
+ QWidget *header_container = new QWidget();
+ header_container->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
+ QVBoxLayout *header_layout = new QVBoxLayout(header_container);
+ header_layout->setContentsMargins(0, ruler_->sizeHint().height(), 0, 0);
+ header_layout->addWidget(header_);
+
+ // To let the ruler and scrollarea be on the same split pane, we need a layout
+ QWidget *trace_container = new QWidget();
+ trace_container->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
+ QVBoxLayout *trace_layout = new QVBoxLayout(trace_container);
+ trace_layout->setSpacing(0); // We don't want space between the ruler and scrollarea
+ trace_layout->setContentsMargins(0, 0, 0, 0);
+ trace_layout->addWidget(ruler_);
+ trace_layout->addWidget(scrollarea_);
+
+ splitter_->addWidget(header_container);
+ splitter_->addWidget(trace_container);
+ splitter_->setHandleWidth(1); // Don't show a visible rubber band
+ splitter_->setCollapsible(0, false); // Prevent the header from collapsing
+ splitter_->setCollapsible(1, false); // Prevent the traces from collapsing
+ splitter_->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
+
+ viewport_->installEventFilter(this);
+ ruler_->installEventFilter(this);
+ header_->installEventFilter(this);
+
+ // Set up settings and event handlers
+ GlobalSettings settings;
+ coloured_bg_ = settings.value(GlobalSettings::Key_View_ColouredBG).toBool();
+
+ connect(scrollarea_->horizontalScrollBar(), SIGNAL(valueChanged(int)),
this, SLOT(h_scroll_value_changed(int)));
- connect(verticalScrollBar(), SIGNAL(valueChanged(int)),
+ connect(scrollarea_->verticalScrollBar(), SIGNAL(valueChanged(int)),
this, SLOT(v_scroll_value_changed()));
- connect(&session_, SIGNAL(signals_changed()),
- this, SLOT(signals_changed()));
- connect(&session_, SIGNAL(capture_state_changed(int)),
- this, SLOT(capture_state_updated(int)));
- connect(&session_, SIGNAL(data_received()),
- this, SLOT(data_updated()));
- connect(&session_, SIGNAL(frame_ended()),
- this, SLOT(data_updated()));
-
connect(header_, SIGNAL(selection_changed()),
ruler_, SLOT(clear_selection()));
connect(ruler_, SIGNAL(selection_changed()),
@@ -142,17 +211,6 @@ View::View(Session &session, QWidget *parent) :
this, SLOT(process_sticky_events()));
lazy_event_handler_.setSingleShot(true);
- connect(&delayed_view_updater_, SIGNAL(timeout()),
- this, SLOT(perform_delayed_view_update()));
- delayed_view_updater_.setSingleShot(true);
- delayed_view_updater_.setInterval(1000 / MaxViewAutoUpdateRate);
-
- setViewport(viewport_);
-
- viewport_->installEventFilter(this);
- ruler_->installEventFilter(this);
- header_->installEventFilter(this);
-
// Trigger the initial event manually. The default device has signals
// which were created before this object came into being
signals_changed();
@@ -175,6 +233,47 @@ const Session& View::session() const
return session_;
}
+unordered_set< shared_ptr > View::signals() const
+{
+ return signals_;
+}
+
+void View::clear_signals()
+{
+ ViewBase::clear_signalbases();
+ signals_.clear();
+}
+
+void View::add_signal(const shared_ptr signal)
+{
+ ViewBase::add_signalbase(signal->base());
+ signals_.insert(signal);
+}
+
+#ifdef ENABLE_DECODE
+void View::clear_decode_signals()
+{
+ decode_traces_.clear();
+}
+
+void View::add_decode_signal(shared_ptr signalbase)
+{
+ shared_ptr d(
+ new DecodeTrace(session_, signalbase, decode_traces_.size()));
+ decode_traces_.push_back(d);
+}
+
+void View::remove_decode_signal(shared_ptr signalbase)
+{
+ for (auto i = decode_traces_.begin(); i != decode_traces_.end(); i++)
+ if ((*i)->base() == signalbase) {
+ decode_traces_.erase(i);
+ signals_changed();
+ return;
+ }
+}
+#endif
+
View* View::view()
{
return this;
@@ -195,6 +294,57 @@ const Viewport* View::viewport() const
return viewport_;
}
+void View::save_settings(QSettings &settings) const
+{
+ settings.setValue("scale", scale_);
+ settings.setValue("v_offset",
+ scrollarea_->verticalScrollBar()->sliderPosition());
+
+ stringstream ss;
+ boost::archive::text_oarchive oa(ss);
+ oa << boost::serialization::make_nvp("offset", offset_);
+ settings.setValue("offset", QString::fromStdString(ss.str()));
+
+ for (shared_ptr signal : signals_) {
+ settings.beginGroup(signal->base()->internal_name());
+ signal->save_settings(settings);
+ settings.endGroup();
+ }
+}
+
+void View::restore_settings(QSettings &settings)
+{
+ // Note: It is assumed that this function is only called once,
+ // immediately after restoring a previous session.
+
+ if (settings.contains("scale"))
+ set_scale(settings.value("scale").toDouble());
+
+ if (settings.contains("offset")) {
+ util::Timestamp offset;
+ stringstream ss;
+ ss << settings.value("offset").toString().toStdString();
+
+ boost::archive::text_iarchive ia(ss);
+ ia >> boost::serialization::make_nvp("offset", offset);
+
+ set_offset(offset);
+ }
+
+ for (shared_ptr signal : signals_) {
+ settings.beginGroup(signal->base()->internal_name());
+ signal->restore_settings(settings);
+ settings.endGroup();
+ }
+
+ if (settings.contains("v_offset")) {
+ saved_v_offset_ = settings.value("v_offset").toInt();
+ set_v_offset(saved_v_offset_);
+ scroll_needs_defaults_ = false;
+ // Note: see eventFilter() for additional information
+ }
+}
+
vector< shared_ptr > View::time_items() const
{
const vector> f(flags());
@@ -202,6 +352,10 @@ vector< shared_ptr > View::time_items() const
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;
}
@@ -210,19 +364,35 @@ double View::scale() const
return scale_;
}
-double View::offset() const
+void View::set_scale(double scale)
+{
+ if (scale_ != scale) {
+ scale_ = scale;
+ Q_EMIT scale_changed();
+ }
+}
+
+const Timestamp& View::offset() const
{
return offset_;
}
+void View::set_offset(const pv::util::Timestamp& offset)
+{
+ if (offset_ != offset) {
+ offset_ = offset;
+ Q_EMIT offset_changed();
+ }
+}
+
int View::owner_visual_v_offset() const
{
- return -verticalScrollBar()->sliderPosition();
+ return -scrollarea_->verticalScrollBar()->sliderPosition();
}
void View::set_v_offset(int offset)
{
- verticalScrollBar()->setSliderPosition(offset);
+ scrollarea_->verticalScrollBar()->setSliderPosition(offset);
header_->update();
viewport_->update();
}
@@ -232,26 +402,58 @@ unsigned int View::depth() const
return 0;
}
-unsigned int View::tick_prefix() const
+pv::util::SIPrefix View::tick_prefix() const
{
return tick_prefix_;
}
+void View::set_tick_prefix(pv::util::SIPrefix tick_prefix)
+{
+ if (tick_prefix_ != tick_prefix) {
+ tick_prefix_ = tick_prefix;
+ Q_EMIT tick_prefix_changed();
+ }
+}
+
unsigned int View::tick_precision() const
{
return tick_precision_;
}
-double View::tick_period() const
+void View::set_tick_precision(unsigned tick_precision)
+{
+ if (tick_precision_ != tick_precision) {
+ tick_precision_ = tick_precision;
+ Q_EMIT tick_precision_changed();
+ }
+}
+
+const pv::util::Timestamp& View::tick_period() const
{
return tick_period_;
}
+void View::set_tick_period(const pv::util::Timestamp& tick_period)
+{
+ if (tick_period_ != tick_period) {
+ tick_period_ = tick_period;
+ Q_EMIT tick_period_changed();
+ }
+}
+
TimeUnit View::time_unit() const
{
return time_unit_;
}
+void View::set_time_unit(pv::util::TimeUnit time_unit)
+{
+ if (time_unit_ != time_unit) {
+ time_unit_ = time_unit;
+ Q_EMIT time_unit_changed();
+ }
+}
+
void View::zoom(double steps)
{
zoom(steps, viewport_->width() / 2);
@@ -259,7 +461,7 @@ void View::zoom(double steps)
void View::zoom(double steps, int offset)
{
- set_zoom(scale_ * pow(3.0/2.0, -steps), offset);
+ set_zoom(scale_ * pow(3.0 / 2.0, -steps), offset);
}
void View::zoom_fit(bool gui_state)
@@ -273,9 +475,9 @@ void View::zoom_fit(bool gui_state)
always_zoom_to_fit_changed(gui_state);
}
- const pair extents = get_time_extents();
- const double delta = extents.second - extents.first;
- if (delta < 1e-12)
+ const pair extents = get_time_extents();
+ const Timestamp delta = extents.second - extents.first;
+ if (delta < Timestamp("1e-12"))
return;
assert(viewport_);
@@ -283,8 +485,8 @@ void View::zoom_fit(bool gui_state)
if (w <= 0)
return;
- const double scale = max(min(delta / w, MaxScale), MinScale);
- set_scale_offset(scale, extents.first);
+ const Timestamp scale = max(min(delta / w, MaxScale), MinScale);
+ set_scale_offset(scale.convert_to(), extents.first);
}
void View::zoom_one_to_one()
@@ -296,27 +498,15 @@ void View::zoom_one_to_one()
if (visible_data.empty())
return;
- double samplerate = 0.0;
- for (const shared_ptr d : visible_data) {
- assert(d);
- const vector< shared_ptr > segments =
- d->segments();
- for (const shared_ptr &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, double offset)
+void View::set_scale_offset(double scale, const Timestamp& offset)
{
// Disable sticky scrolling / always zoom to fit when acquisition runs
// and user drags the viewport
@@ -334,60 +524,77 @@ void View::set_scale_offset(double scale, double offset)
}
}
- scale_ = scale;
- offset_ = offset;
+ set_scale(scale);
+ set_offset(offset);
calculate_tick_spacing();
update_scroll();
ruler_->update();
viewport_->update();
- scale_offset_changed();
}
set< shared_ptr > View::get_visible_data() const
{
- shared_lock lock(session().signals_mutex());
- const unordered_set< shared_ptr > &sigs(session().signals());
-
// Make a set of all the visible data objects
set< shared_ptr > visible_data;
- for (const shared_ptr sig : sigs)
+ for (const shared_ptr sig : signals_)
if (sig->enabled())
visible_data.insert(sig->data());
return visible_data;
}
-pair View::get_time_extents() const
+pair View::get_time_extents() const
{
- double left_time = DBL_MAX, right_time = DBL_MIN;
+ boost::optional left_time, right_time;
const set< shared_ptr > visible_data = get_visible_data();
- for (const shared_ptr d : visible_data)
- {
- const vector< shared_ptr > segments =
- d->segments();
+ for (const shared_ptr d : visible_data) {
+ const vector< shared_ptr > segments = d->segments();
for (const shared_ptr &s : segments) {
double samplerate = s->samplerate();
samplerate = (samplerate <= 0.0) ? 1.0 : samplerate;
- const double start_time = s->start_time();
- left_time = min(left_time, start_time);
- right_time = max(right_time, start_time +
- d->max_sample_count() / samplerate);
+ const Timestamp start_time = s->start_time();
+ left_time = left_time ?
+ min(*left_time, start_time) :
+ start_time;
+ right_time = right_time ?
+ max(*right_time, start_time + d->max_sample_count() / samplerate) :
+ start_time + d->max_sample_count() / samplerate;
}
}
- if (left_time == DBL_MAX && right_time == DBL_MIN)
- return make_pair(0.0, 0.0);
+ if (!left_time || !right_time)
+ return make_pair(0, 0);
- assert(left_time < right_time);
- return make_pair(left_time, right_time);
+ assert(*left_time < *right_time);
+ return make_pair(*left_time, *right_time);
}
-void View::enable_sticky_scrolling(bool state)
+void View::enable_show_sampling_points(bool state)
{
- sticky_scrolling_ = state;
+ (void)state;
+
+ viewport_->update();
+}
+
+void View::enable_show_analog_minor_grid(bool state)
+{
+ (void)state;
+
+ viewport_->update();
+}
+
+void View::enable_coloured_bg(bool state)
+{
+ coloured_bg_ = state;
+ viewport_->update();
+}
+
+bool View::coloured_bg() const
+{
+ return coloured_bg_;
}
bool View::cursors_shown() const
@@ -411,29 +618,31 @@ void View::centre_cursors()
viewport_->update();
}
-std::shared_ptr View::cursors() const
+shared_ptr View::cursors() const
{
return cursors_;
}
-void View::add_flag(double time)
+void View::add_flag(const Timestamp& time)
{
- flags_.push_back(shared_ptr(new Flag(*this, time,
- QString("%1").arg(next_flag_text_))));
+ flags_.push_back(make_shared(*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);
}
-void View::remove_flag(std::shared_ptr flag)
+void View::remove_flag(shared_ptr flag)
{
flags_.remove(flag);
time_item_appearance_changed(true, true);
}
-vector< std::shared_ptr > View::flags() const
+vector< shared_ptr > View::flags() const
{
- vector< std::shared_ptr > flags(flags_.begin(), flags_.end());
+ vector< shared_ptr > flags(flags_.begin(), flags_.end());
stable_sort(flags.begin(), flags.end(),
[](const shared_ptr &a, const shared_ptr &b) {
return a->time() < b->time();
@@ -447,20 +656,17 @@ const QPoint& View::hover_point() const
return hover_point_;
}
-void View::update_viewport()
-{
- assert(viewport_);
- viewport_->update();
- header_->update();
-}
-
-void View::restack_all_row_items()
+void View::restack_all_trace_tree_items()
{
// Make a list of owners that is sorted from deepest first
- const auto owners = list_row_item_owners();
- vector< RowItemOwner* > sorted_owners(owners.begin(), owners.end());
+ const vector> items(
+ list_by_type());
+ set< TraceTreeItemOwner* > owners;
+ for (const auto &r : items)
+ owners.insert(r->owner());
+ vector< TraceTreeItemOwner* > sorted_owners(owners.begin(), owners.end());
sort(sorted_owners.begin(), sorted_owners.end(),
- [](const RowItemOwner* a, const RowItemOwner *b) {
+ [](const TraceTreeItemOwner* a, const TraceTreeItemOwner *b) {
return a->depth() > b->depth(); });
// Restack the items recursively
@@ -468,14 +674,19 @@ void View::restack_all_row_items()
o->restack_items();
// Animate the items to their destination
- for (const auto &r : *this)
- r->animate_to_layout_v_offset();
+ for (const auto &i : items)
+ i->animate_to_layout_v_offset();
+}
+
+void View::trigger_event(util::Timestamp location)
+{
+ trigger_markers_.push_back(make_shared(*this, location));
}
-void View::get_scroll_layout(double &length, double &offset) const
+void View::get_scroll_layout(double &length, Timestamp &offset) const
{
- const pair extents = get_time_extents();
- length = (extents.second - extents.first) / scale_;
+ const pair extents = get_time_extents();
+ length = ((extents.second - extents.first) / scale_).convert_to();
offset = offset_ / scale_;
}
@@ -485,20 +696,20 @@ void View::set_zoom(double scale, int offset)
always_zoom_to_fit_ = false;
always_zoom_to_fit_changed(false);
- const double cursor_offset = offset_ + scale_ * offset;
- const double new_scale = max(min(scale, MaxScale), MinScale);
- const double new_offset = cursor_offset - new_scale * offset;
- set_scale_offset(new_scale, new_offset);
+ const Timestamp cursor_offset = offset_ + scale_ * offset;
+ const Timestamp new_scale = max(min(Timestamp(scale), MaxScale), MinScale);
+ const Timestamp new_offset = cursor_offset - new_scale * offset;
+ set_scale_offset(new_scale.convert_to(), new_offset);
}
void View::calculate_tick_spacing()
{
- const double SpacingIncrement = 32.0f;
- const double MinValueSpacing = 32.0f;
+ const double SpacingIncrement = 10.0f;
+ const double MinValueSpacing = 40.0f;
// Figure out the highest numeric value visible on a label
const QSize areaSize = viewport_->size();
- const double max_time = max(fabs(offset_),
+ const Timestamp max_time = max(fabs(offset_),
fabs(offset_ + scale_ * areaSize.width()));
double min_width = SpacingIncrement;
@@ -506,130 +717,207 @@ void View::calculate_tick_spacing()
QFontMetrics m(QApplication::font());
+ // Copies of the member variables with the same name, used in the calculation
+ // and written back afterwards, so that we don't emit signals all the time
+ // during the calculation.
+ pv::util::Timestamp tick_period = tick_period_;
+ pv::util::SIPrefix tick_prefix = tick_prefix_;
+ unsigned tick_precision = tick_precision_;
+
do {
const double min_period = scale_ * min_width;
const int order = (int)floorf(log10f(min_period));
- const double order_decimal = pow(10.0, order);
-
+ const pv::util::Timestamp order_decimal =
+ pow(pv::util::Timestamp(10), order);
+
+ // Allow for a margin of error so that a scale unit of 1 can be used.
+ // Otherwise, for a SU of 1 the tick period will almost always be below
+ // the min_period by a small amount - and thus skipped in favor of 2.
+ // Note: margin assumes that SU[0] and SU[1] contain the smallest values
+ double tp_margin = (ScaleUnits[0] + ScaleUnits[1]) / 2.0;
+ double tp_with_margin;
unsigned int unit = 0;
do {
- tick_period_ = order_decimal * ScaleUnits[unit++];
- } while (tick_period_ < min_period &&
- unit < countof(ScaleUnits));
+ tp_with_margin = order_decimal.convert_to() *
+ (ScaleUnits[unit++] + tp_margin);
+ } while (tp_with_margin < min_period && unit < countof(ScaleUnits));
- tick_prefix_ = (order - pv::util::FirstSIPrefixPower) / 3;
+ tick_period = order_decimal * ScaleUnits[unit - 1];
+ tick_prefix = static_cast(
+ (order - pv::util::exponent(pv::util::SIPrefix::yocto)) / 3);
// Precision is the number of fractional digits required, not
// taking the prefix into account (and it must never be negative)
- tick_precision_ = std::max((int)ceil(log10f(1 / tick_period_)), 0);
+ tick_precision = max(ceil(log10(1 / tick_period)).convert_to(), 0);
- tick_period_width = tick_period_ / scale_;
+ tick_period_width = (tick_period / scale_).convert_to();
- const QString label_text =
- format_time(max_time, tick_prefix_, time_unit_, tick_precision_);
+ const QString label_text = Ruler::format_time_with_distance(
+ tick_period, max_time, tick_prefix, time_unit_, tick_precision);
label_width = m.boundingRect(0, 0, INT_MAX, INT_MAX,
Qt::AlignLeft | Qt::AlignTop, label_text).width() +
MinValueSpacing;
min_width += SpacingIncrement;
-
} while (tick_period_width < label_width);
+
+ set_tick_period(tick_period);
+ set_tick_prefix(tick_prefix);
+ set_tick_precision(tick_precision);
+}
+
+void View::adjust_top_margin()
+{
+ assert(viewport_);
+
+ const QSize areaSize = viewport_->size();
+
+ const pair extents = v_extents();
+ const int top_margin = owner_visual_v_offset() + extents.first;
+ const int trace_bottom = owner_visual_v_offset() + extents.first + extents.second;
+
+ // Do we have empty space at the top while the last trace goes out of screen?
+ if ((top_margin > 0) && (trace_bottom > areaSize.height())) {
+ const int trace_height = extents.second - extents.first;
+
+ // Center everything vertically if there is enough space
+ if (areaSize.height() >= trace_height)
+ set_v_offset(extents.first -
+ ((areaSize.height() - trace_height) / 2));
+ else
+ // Remove the top margin to make as many traces fit on screen as possible
+ set_v_offset(extents.first);
+ }
}
void View::update_scroll()
{
assert(viewport_);
+ QScrollBar *hscrollbar = scrollarea_->horizontalScrollBar();
+ QScrollBar *vscrollbar = scrollarea_->verticalScrollBar();
const QSize areaSize = viewport_->size();
// Set the horizontal scroll bar
- double length = 0, offset = 0;
+ double length = 0;
+ Timestamp offset;
get_scroll_layout(length, offset);
length = max(length - areaSize.width(), 0.0);
- int major_tick_distance = tick_period_ / scale_;
+ int major_tick_distance = (tick_period_ / scale_).convert_to();
- horizontalScrollBar()->setPageStep(areaSize.width() / 2);
- horizontalScrollBar()->setSingleStep(major_tick_distance);
+ hscrollbar->setPageStep(areaSize.width() / 2);
+ hscrollbar->setSingleStep(major_tick_distance);
updating_scroll_ = true;
if (length < MaxScrollValue) {
- horizontalScrollBar()->setRange(0, length);
- horizontalScrollBar()->setSliderPosition(offset);
+ hscrollbar->setRange(0, length);
+ hscrollbar->setSliderPosition(offset.convert_to());
} else {
- horizontalScrollBar()->setRange(0, MaxScrollValue);
- horizontalScrollBar()->setSliderPosition(
- offset_ * MaxScrollValue / (scale_ * length));
+ hscrollbar->setRange(0, MaxScrollValue);
+ hscrollbar->setSliderPosition(
+ (offset_ * MaxScrollValue / (scale_ * length)).convert_to());
}
updating_scroll_ = false;
// Set the vertical scrollbar
- verticalScrollBar()->setPageStep(areaSize.height());
- verticalScrollBar()->setSingleStep(areaSize.height() / 8);
+ vscrollbar->setPageStep(areaSize.height());
+ vscrollbar->setSingleStep(areaSize.height() / 8);
const pair 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)
+ vscrollbar->setRange(extents.first - areaSize.height(),
+ extents.second);
+
+ if (scroll_needs_defaults_)
+ set_scroll_default();
}
-void View::update_layout()
+void View::reset_scroll()
{
- setViewportMargins(
- header_->sizeHint().width() - pv::view::Header::BaselineOffset,
- ruler_->sizeHint().height(), 0, 0);
- ruler_->setGeometry(viewport_->x(), 0,
- viewport_->width(), ruler_->extended_size_hint().height());
- header_->setGeometry(0, viewport_->y(),
- header_->extended_size_hint().width(), viewport_->height());
- update_scroll();
+ scrollarea_->verticalScrollBar()->setRange(0, 0);
+}
+
+void View::set_scroll_default()
+{
+ assert(viewport_);
+
+ const QSize areaSize = viewport_->size();
+
+ const pair 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::paint_label(QPainter &p, const QRect &rect, bool hover)
+bool View::header_fully_visible() const
{
- (void)p;
- (void)rect;
- (void)hover;
+ const int header_pane_width = splitter_->sizes().front();
+ const int header_width = header_->extended_size_hint().width();
+
+ return (header_pane_width >= header_width);
}
-QRectF View::label_rect(const QRectF &rect)
+void View::update_layout()
{
- (void)rect;
- return QRectF();
+ // Only adjust pane sizes if the header hasn't been partially hidden by the user
+ if (header_fully_visible()) {
+ int splitter_area_width = 0;
+ for (int w : splitter_->sizes())
+ splitter_area_width += w;
+
+ // Make sure the header has enough horizontal space to show all labels fully
+ QList pane_sizes;
+ pane_sizes.push_back(header_->extended_size_hint().width());
+ pane_sizes.push_back(splitter_area_width - header_->extended_size_hint().width());
+ splitter_->setSizes(pane_sizes);
+ }
+
+ update_scroll();
}
-RowItemOwner* View::find_prevalent_trace_group(
+TraceTreeItemOwner* View::find_prevalent_trace_group(
const shared_ptr &group,
- const unordered_map, shared_ptr >
+ const unordered_map, shared_ptr >
&signal_map)
{
assert(group);
- unordered_set owners;
- vector owner_list;
+ unordered_set owners;
+ vector owner_list;
// Make a set and a list of all the owners
for (const auto &channel : group->channels()) {
- const auto iter = signal_map.find(channel);
- if (iter == signal_map.end())
- continue;
-
- RowItemOwner *const o = (*iter).second->owner();
- owner_list.push_back(o);
- owners.insert(o);
+ for (auto entry : signal_map) {
+ if (entry.first->channel() == channel) {
+ TraceTreeItemOwner *const o = (entry.second)->owner();
+ owner_list.push_back(o);
+ owners.insert(o);
+ }
+ }
}
// Iterate through the list of owners, and find the most prevalent
size_t max_prevalence = 0;
- RowItemOwner *prevalent_owner = nullptr;
- for (RowItemOwner *owner : owners) {
- const size_t prevalence = std::count_if(
+ TraceTreeItemOwner *prevalent_owner = nullptr;
+ for (TraceTreeItemOwner *owner : owners) {
+ const size_t prevalence = count_if(
owner_list.begin(), owner_list.end(),
- [&](RowItemOwner *o) { return o == owner; });
+ [&](TraceTreeItemOwner *o) { return o == owner; });
if (prevalence > max_prevalence) {
max_prevalence = prevalence;
prevalent_owner = owner;
@@ -641,25 +929,24 @@ RowItemOwner* View::find_prevalent_trace_group(
vector< shared_ptr > View::extract_new_traces_for_channels(
const vector< shared_ptr > &channels,
- const unordered_map, shared_ptr >
+ const unordered_map, shared_ptr >
&signal_map,
set< shared_ptr > &add_list)
{
vector< shared_ptr > filtered_traces;
- for (const auto &channel : channels)
- {
- const auto map_iter = signal_map.find(channel);
- if (map_iter == signal_map.end())
- continue;
-
- shared_ptr trace = (*map_iter).second;
- const auto list_iter = add_list.find(trace);
- if (list_iter == add_list.end())
- continue;
-
- filtered_traces.push_back(trace);
- add_list.erase(list_iter);
+ for (const auto &channel : channels) {
+ for (auto entry : signal_map) {
+ if (entry.first->channel() == channel) {
+ shared_ptr trace = entry.second;
+ const auto list_iter = add_list.find(trace);
+ if (list_iter == add_list.end())
+ continue;
+
+ filtered_traces.push_back(trace);
+ add_list.erase(list_iter);
+ }
+ }
}
return filtered_traces;
@@ -668,19 +955,16 @@ vector< shared_ptr > View::extract_new_traces_for_channels(
void View::determine_time_unit()
{
// Check whether we know the sample rate and hence can use time as the unit
- if (time_unit_ == util::Samples) {
- shared_lock lock(session().signals_mutex());
- const unordered_set< shared_ptr > &sigs(session().signals());
-
+ if (time_unit_ == util::TimeUnit::Samples) {
// Check all signals but...
- for (const shared_ptr signal : sigs) {
+ for (const shared_ptr signal : signals_) {
const shared_ptr data = signal->data();
// ...only check first segment of each
const vector< shared_ptr > segments = data->segments();
if (!segments.empty())
if (segments[0]->samplerate()) {
- time_unit_ = util::Time;
+ set_time_unit(util::TimeUnit::Time);
break;
}
}
@@ -707,32 +991,37 @@ bool View::eventFilter(QObject *object, QEvent *event)
} else if (type == QEvent::Leave) {
hover_point_ = QPoint(-1, -1);
hover_point_changed();
+ } else if (type == QEvent::Show) {
+
+ // This is somewhat of a hack, unfortunately. We cannot use
+ // set_v_offset() from within restore_settings() as the view
+ // at that point is neither visible nor properly sized.
+ // This is the least intrusive workaround I could come up
+ // with: set the vertical offset (or scroll defaults) when
+ // the view is shown, which happens after all widgets were
+ // resized to their final sizes.
+ update_layout();
+
+ if (scroll_needs_defaults_) {
+ set_scroll_default();
+ scroll_needs_defaults_ = false;
+ }
+
+ if (saved_v_offset_) {
+ set_v_offset(saved_v_offset_);
+ saved_v_offset_ = 0;
+ }
}
return QObject::eventFilter(object, event);
}
-bool View::viewportEvent(QEvent *e)
+void View::resizeEvent(QResizeEvent* event)
{
- switch(e->type()) {
- case QEvent::Paint:
- case QEvent::MouseButtonPress:
- case QEvent::MouseButtonRelease:
- case QEvent::MouseButtonDblClick:
- case QEvent::MouseMove:
- case QEvent::Wheel:
- case QEvent::TouchBegin:
- case QEvent::TouchUpdate:
- case QEvent::TouchEnd:
- return false;
+ // Only adjust the top margin if we shrunk vertically
+ if (event->size().height() < event->oldSize().height())
+ adjust_top_margin();
- default:
- return QAbstractScrollArea::viewportEvent(e);
- }
-}
-
-void View::resizeEvent(QResizeEvent*)
-{
update_layout();
}
@@ -755,8 +1044,9 @@ void View::time_item_appearance_changed(bool label, bool content)
void View::extents_changed(bool horz, bool vert)
{
sticky_events_ |=
- (horz ? RowItemHExtentsChanged : 0) |
- (vert ? RowItemVExtentsChanged : 0);
+ (horz ? TraceTreeItemHExtentsChanged : 0) |
+ (vert ? TraceTreeItemVExtentsChanged : 0);
+
lazy_event_handler_.start();
}
@@ -772,13 +1062,14 @@ void View::h_scroll_value_changed(int value)
sticky_scrolling_changed(false);
}
- const int range = horizontalScrollBar()->maximum();
+ const int range = scrollarea_->horizontalScrollBar()->maximum();
if (range < MaxScrollValue)
- offset_ = scale_ * value;
+ set_offset(scale_ * value);
else {
- double length = 0, offset;
+ double length = 0;
+ Timestamp offset;
get_scroll_layout(length, offset);
- offset_ = scale_ * length * value / MaxScrollValue;
+ set_offset(scale_ * length * value / MaxScrollValue);
}
ruler_->update();
@@ -793,28 +1084,38 @@ void View::v_scroll_value_changed()
void View::signals_changed()
{
- vector< shared_ptr > new_top_level_items;
+ using sigrok::Channel;
- const auto device = session_.device();
- if (!device)
- return;
+ vector< shared_ptr > channels;
+ shared_ptr sr_dev;
- shared_ptr 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 =
+ (scrollarea_->verticalScrollBar()->minimum() ==
+ scrollarea_->verticalScrollBar()->maximum());
+
+ if (!session_.device()) {
+ reset_scroll();
+ signals_.clear();
+ } else {
+ sr_dev = session_.device()->device();
+ assert(sr_dev);
+ channels = sr_dev->channels();
+ }
+
+ vector< shared_ptr > new_top_level_items;
// Make a list of traces that are being added, and a list of traces
// that are being removed
- const set> prev_traces = list_by_type();
+ const vector> prev_trace_list = list_by_type();
+ const set> prev_traces(
+ prev_trace_list.begin(), prev_trace_list.end());
- shared_lock lock(session_.signals_mutex());
- const unordered_set< shared_ptr > &sigs(session_.signals());
-
- set< shared_ptr > traces(sigs.begin(), sigs.end());
+ set< shared_ptr > traces(signals_.begin(), signals_.end());
#ifdef ENABLE_DECODE
- const vector< shared_ptr > decode_traces(
- session().get_decode_signals());
- traces.insert(decode_traces.begin(), decode_traces.end());
+ traces.insert(decode_traces_.begin(), decode_traces_.end());
#endif
set< shared_ptr > add_traces;
@@ -828,61 +1129,84 @@ void View::signals_changed()
inserter(remove_traces, remove_traces.begin()));
// Make a look-up table of sigrok Channels to pulseview Signals
- unordered_map, shared_ptr >
+ unordered_map, shared_ptr >
signal_map;
- for (const shared_ptr &sig : sigs)
- signal_map[sig->channel()] = sig;
+ for (const shared_ptr &sig : signals_)
+ signal_map[sig->base()] = sig;
// Populate channel groups
- for (auto entry : sr_dev->channel_groups())
- {
- const shared_ptr &group = entry.second;
-
- if (group->channels().size() <= 1)
- continue;
-
- // Find best trace group to add to
- RowItemOwner *owner = find_prevalent_trace_group(
- group, signal_map);
-
- // If there is no trace group, create one
- shared_ptr new_trace_group;
- if (!owner) {
- new_trace_group.reset(new TraceGroup());
- owner = new_trace_group.get();
+ if (sr_dev)
+ for (auto entry : sr_dev->channel_groups()) {
+ const shared_ptr &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 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 > new_traces_in_group =
+ extract_new_traces_for_channels(group->channels(),
+ signal_map, add_traces);
+
+ // Add the traces to the group
+ const pair prev_v_extents = owner->v_extents();
+ int offset = prev_v_extents.second - prev_v_extents.first;
+ for (shared_ptr trace : new_traces_in_group) {
+ assert(trace);
+ owner->add_child_item(trace);
+
+ const pair 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);
+ }
}
- // Extract traces for the trace group, removing them from
- // the add list
- const vector< shared_ptr > new_traces_in_group =
- extract_new_traces_for_channels(group->channels(),
- signal_map, add_traces);
-
- // Add the traces to the group
- const pair prev_v_extents = owner->v_extents();
- int offset = prev_v_extents.second - prev_v_extents.first;
- for (shared_ptr trace : new_traces_in_group) {
- assert(trace);
- owner->add_child_item(trace);
-
- const pair extents = trace->v_extents();
- if (trace->enabled())
- offset += -extents.first;
- trace->force_to_v_offset(offset);
- if (trace->enabled())
- offset += extents.second;
- }
+ // Enqueue the remaining logic channels in a group
+ vector< shared_ptr > logic_channels;
+ copy_if(channels.begin(), channels.end(), back_inserter(logic_channels),
+ [](const shared_ptr& c) {
+ return c->type() == sigrok::ChannelType::LOGIC; });
+
+ const vector< shared_ptr > non_grouped_logic_signals =
+ extract_new_traces_for_channels(logic_channels, signal_map, add_traces);
- // 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);
+ if (non_grouped_logic_signals.size() > 0) {
+ const shared_ptr non_grouped_trace_group(
+ make_shared());
+ for (shared_ptr trace : non_grouped_logic_signals)
+ non_grouped_trace_group->add_child_item(trace);
+
+ 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 > 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());
@@ -892,21 +1216,31 @@ void View::signals_changed()
// Remove any removed traces
for (shared_ptr trace : remove_traces) {
- RowItemOwner *const owner = trace->owner();
+ TraceTreeItemOwner *const owner = trace->owner();
assert(owner);
owner->remove_child_item(trace);
}
+ // Remove any empty trace groups
+ for (shared_ptr group : list_by_type())
+ if (group->child_items().size() == 0) {
+ remove_child_item(group);
+ group.reset();
+ }
+
// Add and position the pending top levels items
+ int offset = v_extents().second;
for (auto item : new_top_level_items) {
add_child_item(item);
- // Position the item after the last present item
- int offset = v_extents().second;
+ // Position the item after the last item or at the top if there is none
const pair extents = item->v_extents();
+
if (item->enabled())
offset += -extents.first;
+
item->force_to_v_offset(offset);
+
if (item->enabled())
offset += extents.second;
}
@@ -915,47 +1249,61 @@ void View::signals_changed()
header_->update();
viewport_->update();
+
+ if (reset_scrollbar)
+ set_scroll_default();
}
void View::capture_state_updated(int state)
{
- // Reset "always zoom to fit" when we change to the stopped state
- if (always_zoom_to_fit_ && (state == Session::Stopped)) {
- always_zoom_to_fit_ = false;
- always_zoom_to_fit_changed(false);
+ if (state == Session::Running) {
+ set_time_unit(util::TimeUnit::Samples);
+
+ trigger_markers_.clear();
+
+ // Activate "always zoom to fit" if the setting is enabled and we're
+ // the main view of this session (other trace views may be used for
+ // zooming and we don't want to mess them up)
+ GlobalSettings settings;
+ bool state = settings.value(GlobalSettings::Key_View_AlwaysZoomToFit).toBool();
+ if (is_main_view_ && state) {
+ always_zoom_to_fit_ = true;
+ always_zoom_to_fit_changed(always_zoom_to_fit_);
+ }
+
+ // Enable sticky scrolling if the setting is enabled
+ sticky_scrolling_ = settings.value(GlobalSettings::Key_View_StickyScrolling).toBool();
}
- if (state == Session::Running)
- time_unit_ = util::Samples;
-}
+ 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
+ calculate_tick_spacing();
-void View::data_updated()
-{
- if (always_zoom_to_fit_ || sticky_scrolling_) {
- if (!delayed_view_updater_.isActive())
- delayed_view_updater_.start();
- } else {
- determine_time_unit();
- update_scroll();
- ruler_->update();
- viewport_->update();
+ // Reset "always zoom to fit", the acquisition has stopped
+ if (always_zoom_to_fit_) {
+ // Perform a final zoom-to-fit before disabling
+ zoom_fit(always_zoom_to_fit_);
+ always_zoom_to_fit_ = false;
+ always_zoom_to_fit_changed(always_zoom_to_fit_);
+ }
}
}
void View::perform_delayed_view_update()
{
- if (always_zoom_to_fit_)
+ if (always_zoom_to_fit_) {
zoom_fit(true);
-
- if (sticky_scrolling_) {
+ } else if (sticky_scrolling_) {
// Make right side of the view sticky
- double length = 0, offset;
+ double length = 0;
+ Timestamp offset;
get_scroll_layout(length, offset);
const QSize areaSize = viewport_->size();
length = max(length - areaSize.width(), 0.0);
- offset_ = scale_ * length;
+ set_offset(scale_ * length);
}
determine_time_unit();
@@ -966,10 +1314,10 @@ void View::perform_delayed_view_update()
void View::process_sticky_events()
{
- if (sticky_events_ & RowItemHExtentsChanged)
+ if (sticky_events_ & TraceTreeItemHExtentsChanged)
update_layout();
- if (sticky_events_ & RowItemVExtentsChanged) {
- restack_all_row_items();
+ if (sticky_events_ & TraceTreeItemVExtentsChanged) {
+ restack_all_trace_tree_items();
update_scroll();
}
@@ -979,9 +1327,12 @@ void View::process_sticky_events()
void View::on_hover_point_changed()
{
- for (shared_ptr r : *this)
+ const vector> trace_tree_items(
+ list_by_type());
+ for (shared_ptr r : trace_tree_items)
r->hover_point_changed();
}
-} // namespace view
+} // namespace TraceView
+} // namespace views
} // namespace pv