[pulseview.git] / pv / view / logicsignal.cpp

/*
 * This file is part of the PulseView project.
 *
 * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * 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, see <http://www.gnu.org/licenses/>.
 */

#include <extdef.h>

#include <cassert>
#include <cmath>

#include <algorithm>

#include <QApplication>
#include <QFormLayout>
#include <QToolBar>

#include "logicsignal.hpp"
#include "view.hpp"

#include <pv/data/logic.hpp>
#include <pv/data/logicsegment.hpp>
#include <pv/data/signalbase.hpp>
#include <pv/devicemanager.hpp>
#include <pv/devices/device.hpp>
#include <pv/globalsettings.hpp>
#include <pv/session.hpp>
#include <pv/view/view.hpp>

#include <libsigrokcxx/libsigrokcxx.hpp>

using std::deque;
using std::max;
using std::make_pair;
using std::min;
using std::none_of;
using std::pair;
using std::shared_ptr;
using std::vector;

using sigrok::ConfigKey;
using sigrok::Capability;
using sigrok::Trigger;
using sigrok::TriggerMatch;
using sigrok::TriggerMatchType;

namespace pv {
namespace views {
namespace TraceView {

const float LogicSignal::Oversampling = 2.0f;

const QColor LogicSignal::EdgeColour(0x80, 0x80, 0x80);
const QColor LogicSignal::HighColour(0x00, 0xC0, 0x00);
const QColor LogicSignal::LowColour(0xC0, 0x00, 0x00);
const QColor LogicSignal::SamplingPointColour(0x77, 0x77, 0x77);

const QColor LogicSignal::SignalColours[10] = {
	QColor(0x16, 0x19, 0x1A),	// Black
	QColor(0x8F, 0x52, 0x02),	// Brown
	QColor(0xCC, 0x00, 0x00),	// Red
	QColor(0xF5, 0x79, 0x00),	// Orange
	QColor(0xED, 0xD4, 0x00),	// Yellow
	QColor(0x73, 0xD2, 0x16),	// Green
	QColor(0x34, 0x65, 0xA4),	// Blue
	QColor(0x75, 0x50, 0x7B),	// Violet
	QColor(0x88, 0x8A, 0x85),	// Grey
	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::Session &session,
	shared_ptr<devices::Device> device,
	shared_ptr<data::SignalBase> base) :
	Signal(session, base),
	signal_height_(QFontMetrics(QApplication::font()).height() * 2),
	device_(device),
	trigger_none_(nullptr),
	trigger_rising_(nullptr),
	trigger_high_(nullptr),
	trigger_falling_(nullptr),
	trigger_low_(nullptr),
	trigger_change_(nullptr)
{
	shared_ptr<Trigger> trigger;

	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. */
	trigger_match_ = nullptr;
	if ((trigger = session_.session()->trigger()))
		for (auto stage : trigger->stages())
			for (auto match : stage->matches())
				if (match->channel() == base_->channel())
					trigger_match_ = match->type();
}

shared_ptr<pv::data::SignalData> LogicSignal::data() const
{
	return base_->logic_data();
}

shared_ptr<pv::data::Logic> LogicSignal::logic_data() const
{
	return base_->logic_data();
}

pair<int, int> LogicSignal::v_extents() const
{
	const int signal_margin =
		QFontMetrics(QApplication::font()).height() / 2;
	return make_pair(-signal_height_ - signal_margin, signal_margin);
}

int LogicSignal::scale_handle_offset() const
{
	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_mid(QPainter &p, ViewItemPaintParams &pp)
{
	QLineF *line;

	vector< pair<int64_t, bool> > edges;

	assert(base_);
	assert(owner_);

	const int y = get_visual_y();

	if (!base_->enabled())
		return;

	const float high_offset = y - signal_height_ + 0.5f;
	const float low_offset = y + 0.5f;

	const deque< shared_ptr<pv::data::LogicSegment> > &segments =
		base_->logic_data()->logic_segments();
	if (segments.empty())
		return;

	const shared_ptr<pv::data::LogicSegment> &segment = segments.front();

	double samplerate = segment->samplerate();

	// Show sample rate as 1Hz when it is unknown
	if (samplerate == 0.0)
		samplerate = 1.0;

	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 double pixels_per_sample = 1 / samples_per_pixel;
	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);

	// Check whether we need to paint the sampling points
	GlobalSettings settings;
	const bool show_sampling_points =
		settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool() &&
		(samples_per_pixel < 0.25);

	vector<QRectF> sampling_points;
	float sampling_point_x = 0.0f;
	int64_t sampling_point_sample = start_sample;
	const int w = 2;

	if (show_sampling_points) {
		sampling_points.reserve(end_sample - start_sample + 1);
		sampling_point_x = (edges.cbegin()->first / samples_per_pixel - pixels_offset) + pp.left();
	}

	// Paint the edges
	const unsigned int edge_count = edges.size() - 2;
	QLineF *const edge_lines = new QLineF[edge_count];
	line = edge_lines;

	for (auto i = edges.cbegin() + 1; i != edges.cend() - 1; i++) {
		const float x = ((*i).first / samples_per_pixel -
			pixels_offset) + pp.left();
		*line++ = QLineF(x, high_offset, x, low_offset);

		if (show_sampling_points)
			while (sampling_point_sample < (*i).first) {
				const float y = (*i).second ? low_offset : high_offset;
				sampling_points.emplace_back(
					QRectF(sampling_point_x - (w / 2), y - (w / 2), w, w));
				sampling_point_sample++;
				sampling_point_x += pixels_per_sample;
			};
	}

	// Calculate the sample points from the last edge to the end of the trace
	if (show_sampling_points)
		while ((uint64_t)sampling_point_sample <= end_sample) {
			// Signal changed after the last edge, so the level is inverted
			const float y = (edges.cend() - 1)->second ? high_offset : low_offset;
			sampling_points.emplace_back(
				QRectF(sampling_point_x - (w / 2), y - (w / 2), w, w));
			sampling_point_sample++;
			sampling_point_x += pixels_per_sample;
		};

	p.setPen(EdgeColour);
	p.drawLines(edge_lines, edge_count);
	delete[] edge_lines;

	// Paint the caps
	const unsigned int max_cap_line_count = edges.size();
	QLineF *const cap_lines = new QLineF[max_cap_line_count];

	p.setPen(HighColour);
	paint_caps(p, cap_lines, edges, true, samples_per_pixel,
		pixels_offset, pp.left(), high_offset);
	p.setPen(LowColour);
	paint_caps(p, cap_lines, edges, false, samples_per_pixel,
		pixels_offset, pp.left(), low_offset);

	delete[] cap_lines;

	// Paint the sampling points
	if (show_sampling_points) {
		p.setPen(SamplingPointColour);
		p.drawRects(sampling_points.data(), sampling_points.size());
	}
}

void LogicSignal::paint_fore(QPainter &p, 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,
	float y_offset)
{
	QLineF *line = lines;

	for (auto i = edges.begin(); i != (edges.end() - 1); i++)
		if ((*i).second == level) {
			*line++ = QLineF(
				((*i).first / samples_per_pixel -
					pixels_offset) + x_offset, y_offset,
				((*(i+1)).first / samples_per_pixel -
					pixels_offset) + x_offset, y_offset);
		}

	p.drawLines(lines, line - lines);
}

void LogicSignal::init_trigger_actions(QWidget *parent)
{
	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(*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(*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(*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(*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(*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()));
}

const vector<int32_t> LogicSignal::get_trigger_types() const
{
	// We may not be associated with a device
	if (!device_)
		return vector<int32_t>();

	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;

	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(false);
		}
	}

	return action;
}

const TriggerMatchType *LogicSignal::trigger_type_from_action(QAction *action)
{
	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::populate_popup_form(QWidget *parent, QFormLayout *form)
{
	Signal::populate_popup_form(parent, form);

	const vector<int32_t> trig_types = get_trigger_types();

	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()
{
	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 (none_of(matches.begin(), matches.end(),
			    [&](shared_ptr<TriggerMatch> match) {
					return match->channel() != base_->channel(); }))
				continue;

			auto new_stage = new_trigger->add_stage();
			for (auto match : stage->matches()) {
				if (match->channel() == base_->channel())
					continue;
				new_stage->add_match(match->channel(), match->type());
			}
		}
	}

	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;

	action_from_trigger_type(trigger_match_)->setChecked(false);

	action = (QAction *)sender();
	action->setChecked(true);
	trigger_match_ = trigger_type_from_action(action);

	modify_trigger();
}

} // namespace TraceView
} // namespace views
} // namespace pv
Commit	Line	Data
28a4c9c5	1	/*
b3f22de0	2	* This file is part of the PulseView project.
28a4c9c5 JH	3	*
	4	* Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
efdec55a	17	* along with this program; if not, see <http://www.gnu.org/licenses/>.
28a4c9c5 JH	18	*/
28a4c9c5 JH	19
cef18fc6	20	#include <extdef.h>
7cd5faf8	21
d2344534 JH	22	#include <cassert>
d2344534 JH	23	#include <cmath>
3e46726a	24
640bd149 PZ	25	#include <algorithm>
640bd149 PZ	26
ab6d2eab	27	#include <QApplication>
b213ef09 JH	28	#include <QFormLayout>
	29	#include <QToolBar>
	30
2acdb232 JH	31	#include "logicsignal.hpp"
	32	#include "view.hpp"
	33
2acdb232	34	#include <pv/data/logic.hpp>
f3d66e52	35	#include <pv/data/logicsegment.hpp>
bf0edd2b	36	#include <pv/data/signalbase.hpp>
aca9aa83 UH	37	#include <pv/devicemanager.hpp>
aca9aa83 UH	38	#include <pv/devices/device.hpp>
051ba3b3	39	#include <pv/globalsettings.hpp>
aca9aa83 UH	40	#include <pv/session.hpp>
aca9aa83 UH	41	#include <pv/view/view.hpp>
28a4c9c5	42
fe3a1c21	43	#include <libsigrokcxx/libsigrokcxx.hpp>
e8d00928	44
819f4c25 JH	45	using std::deque;
819f4c25 JH	46	using std::max;
a5d93c27	47	using std::make_pair;
819f4c25	48	using std::min;
6f925ba9	49	using std::none_of;
819f4c25	50	using std::pair;
f9abf97e	51	using std::shared_ptr;
819f4c25	52	using std::vector;
81a635d1	53
e8d00928	54	using sigrok::ConfigKey;
7bb0fbf4	55	using sigrok::Capability;
e8d00928	56	using sigrok::Trigger;
640bd149	57	using sigrok::TriggerMatch;
e8d00928 ML	58	using sigrok::TriggerMatchType;
e8d00928 ML	59
51e77110	60	namespace pv {
f4e57597 SA	61	namespace views {
f4e57597 SA	62	namespace TraceView {
51e77110	63
17d94d7c	64	const float LogicSignal::Oversampling = 2.0f;
131e8012	65
64b60583 JH	66	const QColor LogicSignal::EdgeColour(0x80, 0x80, 0x80);
	67	const QColor LogicSignal::HighColour(0x00, 0xC0, 0x00);
	68	const QColor LogicSignal::LowColour(0xC0, 0x00, 0x00);
e9c8e87c	69	const QColor LogicSignal::SamplingPointColour(0x77, 0x77, 0x77);
131e8012	70
299d0e75	71	const QColor LogicSignal::SignalColours[10] = {
3e46726a JH	72	QColor(0x16, 0x19, 0x1A), // Black
	73	QColor(0x8F, 0x52, 0x02), // Brown
	74	QColor(0xCC, 0x00, 0x00), // Red
	75	QColor(0xF5, 0x79, 0x00), // Orange
	76	QColor(0xED, 0xD4, 0x00), // Yellow
	77	QColor(0x73, 0xD2, 0x16), // Green
	78	QColor(0x34, 0x65, 0xA4), // Blue
	79	QColor(0x75, 0x50, 0x7B), // Violet
	80	QColor(0x88, 0x8A, 0x85), // Grey
	81	QColor(0xEE, 0xEE, 0xEC), // White
	82	};
	83
ddfda54d JH	84	QColor LogicSignal::TriggerMarkerBackgroundColour = QColor(0xED, 0xD4, 0x00);
	85	const int LogicSignal::TriggerMarkerPadding = 2;
	86	const char* LogicSignal::TriggerMarkerIcons[8] = {
	87	nullptr,
	88	":/icons/trigger-marker-low.svg",
	89	":/icons/trigger-marker-high.svg",
	90	":/icons/trigger-marker-rising.svg",
	91	":/icons/trigger-marker-falling.svg",
	92	":/icons/trigger-marker-change.svg",
	93	nullptr,
	94	nullptr
	95	};
	96
	97	QCache<QString, const QIcon> LogicSignal::icon_cache_;
	98	QCache<QString, const QPixmap> LogicSignal::pixmap_cache_;
	99
b86aa8f4	100	LogicSignal::LogicSignal(
2b81ae46	101	pv::Session &session,
da30ecb7	102	shared_ptr<devices::Device> device,
0aa57689	103	shared_ptr<data::SignalBase> base) :
73a25a6e	104	Signal(session, base),
303d6ea6	105	signal_height_(QFontMetrics(QApplication::font()).height() * 2),
8dbbc7f0	106	device_(device),
4c60462b JH	107	trigger_none_(nullptr),
	108	trigger_rising_(nullptr),
	109	trigger_high_(nullptr),
	110	trigger_falling_(nullptr),
	111	trigger_low_(nullptr),
	112	trigger_change_(nullptr)
28a4c9c5	113	{
e8d00928	114	shared_ptr<Trigger> trigger;
b1e8c93d	115
73a25a6e	116	base_->set_colour(SignalColours[base->index() % countof(SignalColours)]);
b1e8c93d BV	117
	118	/* Populate this channel's trigger setting with whatever we
	119	* find in the current session trigger, if anything. */
8dbbc7f0 JH	120	trigger_match_ = nullptr;
8dbbc7f0 JH	121	if ((trigger = session_.session()->trigger()))
e8d00928 ML	122	for (auto stage : trigger->stages())
e8d00928 ML	123	for (auto match : stage->matches())
73a25a6e	124	if (match->channel() == base_->channel())
8dbbc7f0	125	trigger_match_ = match->type();
ef8311a4 JH	126	}
ef8311a4 JH	127
748dd753	128	shared_ptr<pv::data::SignalData> LogicSignal::data() const
9a0cd293	129	{
0aa57689	130	return base_->logic_data();
9a0cd293 JH	131	}
9a0cd293 JH	132
748dd753	133	shared_ptr<pv::data::Logic> LogicSignal::logic_data() const
e0fc5810	134	{
0aa57689	135	return base_->logic_data();
8e097c27 JH	136	}
8e097c27 JH	137
6f925ba9	138	pair<int, int> LogicSignal::v_extents() const
a5d93c27	139	{
ab6d2eab JH	140	const int signal_margin =
ab6d2eab JH	141	QFontMetrics(QApplication::font()).height() / 2;
303d6ea6	142	return make_pair(-signal_height_ - signal_margin, signal_margin);
a5d93c27 JH	143	}
a5d93c27 JH	144
214470fc JH	145	int LogicSignal::scale_handle_offset() const
214470fc JH	146	{
303d6ea6	147	return -signal_height_;
214470fc JH	148	}
	149
	150	void LogicSignal::scale_handle_dragged(int offset)
	151	{
303d6ea6 JH	152	const int font_height = QFontMetrics(QApplication::font()).height();
	153	const int units = (-offset / font_height);
	154	signal_height_ = ((units < 1) ? 1 : units) * font_height;
214470fc JH	155	}
214470fc JH	156
60938e04	157	void LogicSignal::paint_mid(QPainter &p, ViewItemPaintParams &pp)
e3f65ace	158	{
64b60583	159	QLineF *line;
2858b391 JH	160
	161	vector< pair<int64_t, bool> > edges;
	162
73a25a6e	163	assert(base_);
8dbbc7f0	164	assert(owner_);
2858b391	165
be9e7b4b	166	const int y = get_visual_y();
eae6e30a	167
73a25a6e	168	if (!base_->enabled())
cec48d16 JH	169	return;
cec48d16 JH	170
303d6ea6	171	const float high_offset = y - signal_height_ + 0.5f;
2658961b	172	const float low_offset = y + 0.5f;
131e8012	173
f3d66e52	174	const deque< shared_ptr<pv::data::LogicSegment> > &segments =
0aa57689	175	base_->logic_data()->logic_segments();
f3d66e52	176	if (segments.empty())
2858b391 JH	177	return;
2858b391 JH	178
c063290a	179	const shared_ptr<pv::data::LogicSegment> &segment = segments.front();
2858b391	180
f3d66e52	181	double samplerate = segment->samplerate();
9d4e5cd8 JH	182
9d4e5cd8 JH	183	// Show sample rate as 1Hz when it is unknown
9ba4ca35	184	if (samplerate == 0.0)
9d4e5cd8 JH	185	samplerate = 1.0;
9d4e5cd8 JH	186
4c8a6a6d	187	const double pixels_offset = pp.pixels_offset();
60d9b99a	188	const pv::util::Timestamp& start_time = segment->start_time();
f3d66e52	189	const int64_t last_sample = segment->get_sample_count() - 1;
4c8a6a6d	190	const double samples_per_pixel = samplerate * pp.scale();
124be547	191	const double pixels_per_sample = 1 / samples_per_pixel;
60d9b99a JS	192	const pv::util::Timestamp start = samplerate * (pp.offset() - start_time);
60d9b99a JS	193	const pv::util::Timestamp end = start + samples_per_pixel * pp.width();
2858b391	194
60d9b99a JS	195	const int64_t start_sample = min(max(floor(start).convert_to<int64_t>(),
	196	(int64_t)0), last_sample);
	197	const uint64_t end_sample = min(max(ceil(end).convert_to<int64_t>(),
	198	(int64_t)0), last_sample);
	199
	200	segment->get_subsampled_edges(edges, start_sample, end_sample,
73a25a6e	201	samples_per_pixel / Oversampling, base_->index());
c352ce60	202	assert(edges.size() >= 2);
2858b391	203
124be547 SA	204	// Check whether we need to paint the sampling points
	205	GlobalSettings settings;
	206	const bool show_sampling_points =
	207	settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool() &&
	208	(samples_per_pixel < 0.25);
	209
	210	vector<QRectF> sampling_points;
	211	float sampling_point_x = 0.0f;
	212	int64_t sampling_point_sample = start_sample;
	213	const int w = 2;
	214
	215	if (show_sampling_points) {
	216	sampling_points.reserve(end_sample - start_sample + 1);
	217	sampling_point_x = (edges.cbegin()->first / samples_per_pixel - pixels_offset) + pp.left();
	218	}
	219
2858b391	220	// Paint the edges
64b60583 JH	221	const unsigned int edge_count = edges.size() - 2;
	222	QLineF *const edge_lines = new QLineF[edge_count];
	223	line = edge_lines;
	224
f46e495e	225	for (auto i = edges.cbegin() + 1; i != edges.cend() - 1; i++) {
ce6e73a8	226	const float x = ((*i).first / samples_per_pixel -
3eb29afd	227	pixels_offset) + pp.left();
64b60583	228	*line++ = QLineF(x, high_offset, x, low_offset);
124be547 SA	229
	230	if (show_sampling_points)
	231	while (sampling_point_sample < (*i).first) {
	232	const float y = (*i).second ? low_offset : high_offset;
	233	sampling_points.emplace_back(
	234	QRectF(sampling_point_x - (w / 2), y - (w / 2), w, w));
	235	sampling_point_sample++;
	236	sampling_point_x += pixels_per_sample;
	237	};
2858b391	238	}
81a635d1	239
124be547 SA	240	// Calculate the sample points from the last edge to the end of the trace
	241	if (show_sampling_points)
	242	while ((uint64_t)sampling_point_sample <= end_sample) {
	243	// Signal changed after the last edge, so the level is inverted
	244	const float y = (edges.cend() - 1)->second ? high_offset : low_offset;
	245	sampling_points.emplace_back(
	246	QRectF(sampling_point_x - (w / 2), y - (w / 2), w, w));
	247	sampling_point_sample++;
	248	sampling_point_x += pixels_per_sample;
	249	};
	250
64b60583 JH	251	p.setPen(EdgeColour);
	252	p.drawLines(edge_lines, edge_count);
	253	delete[] edge_lines;
2858b391 JH	254
2858b391 JH	255	// Paint the caps
175d6573	256	const unsigned int max_cap_line_count = edges.size();
64b60583	257	QLineF *const cap_lines = new QLineF[max_cap_line_count];
2858b391	258
64b60583 JH	259	p.setPen(HighColour);
64b60583 JH	260	paint_caps(p, cap_lines, edges, true, samples_per_pixel,
3eb29afd	261	pixels_offset, pp.left(), high_offset);
64b60583 JH	262	p.setPen(LowColour);
64b60583 JH	263	paint_caps(p, cap_lines, edges, false, samples_per_pixel,
3eb29afd	264	pixels_offset, pp.left(), low_offset);
2858b391	265
64b60583	266	delete[] cap_lines;
e9c8e87c UH	267
e9c8e87c UH	268	// Paint the sampling points
124be547 SA	269	if (show_sampling_points) {
	270	p.setPen(SamplingPointColour);
	271	p.drawRects(sampling_points.data(), sampling_points.size());
e9c8e87c	272	}
131e8012	273	}
2858b391	274
60938e04	275	void LogicSignal::paint_fore(QPainter &p, ViewItemPaintParams &pp)
ddfda54d	276	{
ddfda54d	277	// Draw the trigger marker
73a25a6e	278	if (!trigger_match_ \|\| !base_->enabled())
ddfda54d JH	279	return;
	280
	281	const int y = get_visual_y();
	282	const vector<int32_t> trig_types = get_trigger_types();
	283	for (int32_t type_id : trig_types) {
	284	const TriggerMatchType *const type =
	285	TriggerMatchType::get(type_id);
	286	if (trigger_match_ != type \|\| type_id < 0 \|\|
	287	(size_t)type_id >= countof(TriggerMarkerIcons) \|\|
	288	!TriggerMarkerIcons[type_id])
	289	continue;
	290
	291	const QPixmap *const pixmap = get_pixmap(
	292	TriggerMarkerIcons[type_id]);
	293	if (!pixmap)
	294	continue;
	295
3b84fd6d	296	const float pad = TriggerMarkerPadding - 0.5f;
ddfda54d JH	297	const QSize size = pixmap->size();
ddfda54d JH	298	const QPoint point(
3eb29afd	299	pp.right() - size.width() - pad * 2,
303d6ea6	300	y - (signal_height_ + size.height()) / 2);
ddfda54d	301
3b84fd6d	302	p.setPen(QPen(TriggerMarkerBackgroundColour.darker()));
ddfda54d	303	p.setBrush(TriggerMarkerBackgroundColour);
3b84fd6d	304	p.drawRoundedRect(QRectF(point, size).adjusted(
ddfda54d JH	305	-pad, -pad, pad, pad), pad, pad);
	306	p.drawPixmap(point, *pixmap);
	307
	308	break;
	309	}
	310	}
	311
f4270878	312	void LogicSignal::paint_caps(QPainter &p, QLineF *const lines,
131e8012	313	vector< pair<int64_t, bool> > &edges, bool level,
ce6e73a8 JH	314	double samples_per_pixel, double pixels_offset, float x_offset,
ce6e73a8 JH	315	float y_offset)
131e8012	316	{
64b60583	317	QLineF *line = lines;
2858b391	318
f46e495e	319	for (auto i = edges.begin(); i != (edges.end() - 1); i++)
333d5bbc	320	if ((*i).second == level) {
64b60583	321	*line++ = QLineF(
ce6e73a8	322	((*i).first / samples_per_pixel -
64b60583	323	pixels_offset) + x_offset, y_offset,
ce6e73a8	324	((*(i+1)).first / samples_per_pixel -
64b60583	325	pixels_offset) + x_offset, y_offset);
131e8012 JH	326	}
131e8012 JH	327
64b60583	328	p.drawLines(lines, line - lines);
e3f65ace	329	}
3e46726a	330
767281c8 JH	331	void LogicSignal::init_trigger_actions(QWidget *parent)
767281c8 JH	332	{
0f1f98fe	333	trigger_none_ = new QAction(*get_icon(":/icons/trigger-none.svg"),
767281c8	334	tr("No trigger"), parent);
8dbbc7f0 JH	335	trigger_none_->setCheckable(true);
8dbbc7f0 JH	336	connect(trigger_none_, SIGNAL(triggered()), this, SLOT(on_trigger()));
767281c8	337
0f1f98fe	338	trigger_rising_ = new QAction(*get_icon(":/icons/trigger-rising.svg"),
767281c8	339	tr("Trigger on rising edge"), parent);
8dbbc7f0 JH	340	trigger_rising_->setCheckable(true);
8dbbc7f0 JH	341	connect(trigger_rising_, SIGNAL(triggered()), this, SLOT(on_trigger()));
767281c8	342
0f1f98fe	343	trigger_high_ = new QAction(*get_icon(":/icons/trigger-high.svg"),
767281c8	344	tr("Trigger on high level"), parent);
8dbbc7f0 JH	345	trigger_high_->setCheckable(true);
8dbbc7f0 JH	346	connect(trigger_high_, SIGNAL(triggered()), this, SLOT(on_trigger()));
767281c8	347
0f1f98fe	348	trigger_falling_ = new QAction(*get_icon(":/icons/trigger-falling.svg"),
767281c8	349	tr("Trigger on falling edge"), parent);
8dbbc7f0 JH	350	trigger_falling_->setCheckable(true);
8dbbc7f0 JH	351	connect(trigger_falling_, SIGNAL(triggered()), this, SLOT(on_trigger()));
767281c8	352
0f1f98fe	353	trigger_low_ = new QAction(*get_icon(":/icons/trigger-low.svg"),
767281c8	354	tr("Trigger on low level"), parent);
8dbbc7f0 JH	355	trigger_low_->setCheckable(true);
8dbbc7f0 JH	356	connect(trigger_low_, SIGNAL(triggered()), this, SLOT(on_trigger()));
767281c8	357
0f1f98fe	358	trigger_change_ = new QAction(*get_icon(":/icons/trigger-change.svg"),
767281c8	359	tr("Trigger on rising or falling edge"), parent);
8dbbc7f0 JH	360	trigger_change_->setCheckable(true);
8dbbc7f0 JH	361	connect(trigger_change_, SIGNAL(triggered()), this, SLOT(on_trigger()));
767281c8 JH	362	}
767281c8 JH	363
77817b43 JH	364	const vector<int32_t> LogicSignal::get_trigger_types() const
77817b43 JH	365	{
3afe5afe SA	366	// We may not be associated with a device
	367	if (!device_)
	368	return vector<int32_t>();
	369
da30ecb7	370	const auto sr_dev = device_->device();
7bb0fbf4 ML	371	if (sr_dev->config_check(ConfigKey::TRIGGER_MATCH, Capability::LIST)) {
	372	const Glib::VariantContainerBase gvar =
	373	sr_dev->config_list(ConfigKey::TRIGGER_MATCH);
d60820d8 SA	374
	375	vector<int32_t> ttypes;
	376
	377	for (unsigned int i = 0; i < gvar.get_n_children(); i++) {
	378	Glib::VariantBase tmp_vb;
	379	gvar.get_child(tmp_vb, i);
	380
	381	Glib::Variant<int32_t> tmp_v =
	382	Glib::VariantBase::cast_dynamic< Glib::Variant<int32_t> >(tmp_vb);
	383
	384	ttypes.push_back(tmp_v.get());
	385	}
	386
	387	return ttypes;
7bb0fbf4 ML	388	} else {
7bb0fbf4 ML	389	return vector<int32_t>();
77817b43 JH	390	}
	391	}
	392
aa5e9140	393	QAction* LogicSignal::action_from_trigger_type(const TriggerMatchType *type)
767281c8	394	{
b1e8c93d BV	395	QAction *action;
b1e8c93d BV	396
8dbbc7f0	397	action = trigger_none_;
640bd149 PZ	398	if (type) {
	399	switch (type->id()) {
	400	case SR_TRIGGER_ZERO:
8dbbc7f0	401	action = trigger_low_;
640bd149 PZ	402	break;
640bd149 PZ	403	case SR_TRIGGER_ONE:
8dbbc7f0	404	action = trigger_high_;
640bd149 PZ	405	break;
640bd149 PZ	406	case SR_TRIGGER_RISING:
8dbbc7f0	407	action = trigger_rising_;
640bd149 PZ	408	break;
640bd149 PZ	409	case SR_TRIGGER_FALLING:
8dbbc7f0	410	action = trigger_falling_;
640bd149 PZ	411	break;
640bd149 PZ	412	case SR_TRIGGER_EDGE:
8dbbc7f0	413	action = trigger_change_;
640bd149 PZ	414	break;
640bd149 PZ	415	default:
0402d7a3	416	assert(false);
640bd149	417	}
767281c8	418	}
767281c8	419
b1e8c93d	420	return action;
767281c8 JH	421	}
767281c8 JH	422
aa5e9140	423	const TriggerMatchType LogicSignal::trigger_type_from_action(QAction action)
139fef92	424	{
8dbbc7f0	425	if (action == trigger_low_)
e8d00928	426	return TriggerMatchType::ZERO;
8dbbc7f0	427	else if (action == trigger_high_)
e8d00928	428	return TriggerMatchType::ONE;
8dbbc7f0	429	else if (action == trigger_rising_)
e8d00928	430	return TriggerMatchType::RISING;
8dbbc7f0	431	else if (action == trigger_falling_)
e8d00928	432	return TriggerMatchType::FALLING;
8dbbc7f0	433	else if (action == trigger_change_)
e8d00928	434	return TriggerMatchType::EDGE;
b1e8c93d	435	else
e8d00928	436	return nullptr;
139fef92 JH	437	}
139fef92 JH	438
b1e8c93d	439	void LogicSignal::populate_popup_form(QWidget parent, QFormLayout form)
b08d7222	440	{
b1e8c93d	441	Signal::populate_popup_form(parent, form);
b08d7222	442
77817b43	443	const vector<int32_t> trig_types = get_trigger_types();
139fef92	444
ffd90566 JH	445	if (!trig_types.empty()) {
	446	trigger_bar_ = new QToolBar(parent);
	447	init_trigger_actions(trigger_bar_);
	448	trigger_bar_->addAction(trigger_none_);
	449	trigger_none_->setChecked(!trigger_match_);
	450
	451	for (auto type_id : trig_types) {
	452	const TriggerMatchType *const type =
	453	TriggerMatchType::get(type_id);
	454	QAction *const action = action_from_trigger_type(type);
	455	trigger_bar_->addAction(action);
	456	action->setChecked(trigger_match_ == type);
	457	}
	458	form->addRow(tr("Trigger"), trigger_bar_);
	459	}
b08d7222 JH	460	}
b08d7222 JH	461
640bd149 PZ	462	void LogicSignal::modify_trigger()
640bd149 PZ	463	{
8dbbc7f0 JH	464	auto trigger = session_.session()->trigger();
8dbbc7f0 JH	465	auto new_trigger = session_.device_manager().context()->create_trigger("pulseview");
640bd149 PZ	466
	467	if (trigger) {
	468	for (auto stage : trigger->stages()) {
	469	const auto &matches = stage->matches();
6f925ba9	470	if (none_of(matches.begin(), matches.end(),
640bd149	471	[&](shared_ptr<TriggerMatch> match) {
73a25a6e	472	return match->channel() != base_->channel(); }))
640bd149 PZ	473	continue;
	474
	475	auto new_stage = new_trigger->add_stage();
	476	for (auto match : stage->matches()) {
73a25a6e	477	if (match->channel() == base_->channel())
640bd149 PZ	478	continue;
	479	new_stage->add_match(match->channel(), match->type());
	480	}
	481	}
	482	}
	483
fcc00c4d TS	484	if (trigger_match_) {
	485	// Until we can let the user decide how to group trigger matches
	486	// into stages, put all of the matches into a single stage --
	487	// most devices only support a single trigger stage.
	488	if (new_trigger->stages().empty())
	489	new_trigger->add_stage();
	490
73a25a6e	491	new_trigger->stages().back()->add_match(base_->channel(),
bf0edd2b	492	trigger_match_);
fcc00c4d	493	}
640bd149	494
8dbbc7f0	495	session_.session()->set_trigger(
640bd149	496	new_trigger->stages().empty() ? nullptr : new_trigger);
ddfda54d JH	497
ddfda54d JH	498	if (owner_)
6e2c3c85	499	owner_->row_item_appearance_changed(false, true);
640bd149 PZ	500	}
640bd149 PZ	501
0f1f98fe JH	502	const QIcon* LogicSignal::get_icon(const char *path)
0f1f98fe JH	503	{
ed2cec68 SA	504	if (!icon_cache_.contains(path)) {
ed2cec68 SA	505	const QIcon *icon = new QIcon(path);
0f1f98fe JH	506	icon_cache_.insert(path, icon);
	507	}
	508
ed2cec68	509	return icon_cache_.take(path);
0f1f98fe JH	510	}
0f1f98fe JH	511
ddfda54d JH	512	const QPixmap* LogicSignal::get_pixmap(const char *path)
ddfda54d JH	513	{
ed2cec68 SA	514	if (!pixmap_cache_.contains(path)) {
ed2cec68 SA	515	const QPixmap *pixmap = new QPixmap(path);
ddfda54d JH	516	pixmap_cache_.insert(path, pixmap);
	517	}
	518
ed2cec68	519	return pixmap_cache_.take(path);
ddfda54d JH	520	}
ddfda54d JH	521
b1e8c93d	522	void LogicSignal::on_trigger()
b08d7222	523	{
b1e8c93d	524	QAction *action;
b08d7222	525
aa5e9140	526	action_from_trigger_type(trigger_match_)->setChecked(false);
b08d7222	527
b1e8c93d	528	action = (QAction *)sender();
923f8b22	529	action->setChecked(true);
aa5e9140	530	trigger_match_ = trigger_type_from_action(action);
b08d7222	531
640bd149	532	modify_trigger();
b08d7222 JH	533	}
b08d7222 JH	534
f4e57597 SA	535	} // namespace TraceView
f4e57597 SA	536	} // namespace views
51e77110	537	} // namespace pv