[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, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 */

#include <extdef.h>

#include <cassert>
#include <cmath>

#include <algorithm>

#include <QFormLayout>
#include <QToolBar>

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

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

#include <libsigrokcxx/libsigrokcxx.hpp>

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

using sigrok::Channel;
using sigrok::ConfigKey;
using sigrok::Error;
using sigrok::Trigger;
using sigrok::TriggerStage;
using sigrok::TriggerMatch;
using sigrok::TriggerMatchType;

namespace pv {
namespace view {

const int LogicSignal::SignalHeight = 30;
const int LogicSignal::SignalMargin = 10;

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::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<Channel> channel,
	shared_ptr<data::Logic> data) :
	Signal(session, channel),
	device_(device),
	data_(data),
	trigger_none_(nullptr),
	trigger_rising_(nullptr),
	trigger_high_(nullptr),
	trigger_falling_(nullptr),
	trigger_low_(nullptr),
	trigger_change_(nullptr)
{
	shared_ptr<Trigger> trigger;

	colour_ = SignalColours[channel->index() % countof(SignalColours)];

	/* Populate this channel's trigger setting with whatever we
	 * find in the current session trigger, if anything. */
	trigger_match_ = nullptr;
	if ((trigger = session_.session()->trigger()))
		for (auto stage : trigger->stages())
			for (auto match : stage->matches())
				if (match->channel() == channel_)
					trigger_match_ = match->type();
}

LogicSignal::~LogicSignal()
{
}

shared_ptr<pv::data::SignalData> LogicSignal::data() const
{
	return data_;
}

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

void LogicSignal::set_logic_data(std::shared_ptr<pv::data::Logic> data)
{
	data_ = data;
}

std::pair<int, int> LogicSignal::v_extents() const
{
	return make_pair(-SignalHeight - SignalMargin, SignalMargin);
}

void LogicSignal::paint_back(QPainter &p, const ViewItemPaintParams &pp)
{
	if (channel_->enabled())
		paint_axis(p, pp, get_visual_y());
}

void LogicSignal::paint_mid(QPainter &p, const ViewItemPaintParams &pp)
{
	QLineF *line;

	vector< pair<int64_t, bool> > edges;

	assert(channel_);
	assert(data_);
	assert(owner_);

	const int y = get_visual_y();

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

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

	const deque< shared_ptr<pv::data::LogicSegment> > &segments =
		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 double 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 start = samplerate * (pp.offset() - start_time);
	const double end = start + samples_per_pixel * pp.width();

	segment->get_subsampled_edges(edges,
		min(max((int64_t)floor(start), (int64_t)0), last_sample),
		min(max((int64_t)ceil(end), (int64_t)0), last_sample),
		samples_per_pixel / Oversampling, channel_->index());
	assert(edges.size() >= 2);

	// 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);
	}

	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;
}

void LogicSignal::paint_fore(QPainter &p, const ViewItemPaintParams &pp)
{
	// Draw the trigger marker
	if (!trigger_match_)
		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 - (SignalHeight + 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
{
	const auto sr_dev = device_->device();
	const auto keys = sr_dev->config_keys(ConfigKey::DEVICE_OPTIONS);
	const auto iter = keys.find(ConfigKey::TRIGGER_MATCH);
	if (iter != keys.end() &&
		(*iter).second.find(sigrok::LIST) != (*iter).second.end()) {
		try {
			const Glib::VariantContainerBase gvar =
				sr_dev->config_list(ConfigKey::TRIGGER_MATCH);
			return Glib::VariantBase::cast_dynamic<
				Glib::Variant<vector<int32_t>>>(gvar).get();
		} catch (Error e) {
			// Failed to enumerate triggers
			(void)e;
		}
	}

	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(0);
		}
	}

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

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

	if (trigger_match_)
		new_trigger->add_stage()->add_match(channel_, trigger_match_);

	session_.session()->set_trigger(
		new_trigger->stages().empty() ? nullptr : new_trigger);

	if (owner_)
		owner_->row_item_appearance_changed(false, true);
}

const QIcon* LogicSignal::get_icon(const char *path)
{
	const QIcon *icon = icon_cache_.take(path);
	if (!icon) {
		icon = new QIcon(path);
		icon_cache_.insert(path, icon);
	}

	return icon;
}

const QPixmap* LogicSignal::get_pixmap(const char *path)
{
	const QPixmap *pixmap = pixmap_cache_.take(path);
	if (!pixmap) {
		pixmap = new QPixmap(path);
		pixmap_cache_.insert(path, pixmap);
	}

	return pixmap;
}

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 view
} // namespace pv
Commit	Line	Data
	1	/*
	2	* This file is part of the PulseView project.
	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
	17	* along with this program; if not, write to the Free Software
	18	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
	19	*/
	20
	21	#include <extdef.h>
	22
	23	#include <cassert>
	24	#include <cmath>
	25
	26	#include <algorithm>
	27
	28	#include <QFormLayout>
	29	#include <QToolBar>
	30
	31	#include "logicsignal.hpp"
	32	#include "view.hpp"
	33
	34	#include <pv/session.hpp>
	35	#include <pv/devicemanager.hpp>
	36	#include <pv/devices/device.hpp>
	37	#include <pv/data/logic.hpp>
	38	#include <pv/data/logicsegment.hpp>
	39	#include <pv/view/view.hpp>
	40
	41	#include <libsigrokcxx/libsigrokcxx.hpp>
	42
	43	using std::deque;
	44	using std::max;
	45	using std::make_pair;
	46	using std::min;
	47	using std::pair;
	48	using std::shared_ptr;
	49	using std::vector;
	50
	51	using sigrok::Channel;
	52	using sigrok::ConfigKey;
	53	using sigrok::Error;
	54	using sigrok::Trigger;
	55	using sigrok::TriggerStage;
	56	using sigrok::TriggerMatch;
	57	using sigrok::TriggerMatchType;
	58
	59	namespace pv {
	60	namespace view {
	61
	62	const int LogicSignal::SignalHeight = 30;
	63	const int LogicSignal::SignalMargin = 10;
	64
	65	const float LogicSignal::Oversampling = 2.0f;
	66
	67	const QColor LogicSignal::EdgeColour(0x80, 0x80, 0x80);
	68	const QColor LogicSignal::HighColour(0x00, 0xC0, 0x00);
	69	const QColor LogicSignal::LowColour(0xC0, 0x00, 0x00);
	70
	71	const QColor LogicSignal::SignalColours[10] = {
	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
	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
	100	LogicSignal::LogicSignal(
	101	pv::Session &session,
	102	shared_ptr<devices::Device> device,
	103	shared_ptr<Channel> channel,
	104	shared_ptr<data::Logic> data) :
	105	Signal(session, channel),
	106	device_(device),
	107	data_(data),
	108	trigger_none_(nullptr),
	109	trigger_rising_(nullptr),
	110	trigger_high_(nullptr),
	111	trigger_falling_(nullptr),
	112	trigger_low_(nullptr),
	113	trigger_change_(nullptr)
	114	{
	115	shared_ptr<Trigger> trigger;
	116
	117	colour_ = SignalColours[channel->index() % countof(SignalColours)];
	118
	119	/* Populate this channel's trigger setting with whatever we
	120	* find in the current session trigger, if anything. */
	121	trigger_match_ = nullptr;
	122	if ((trigger = session_.session()->trigger()))
	123	for (auto stage : trigger->stages())
	124	for (auto match : stage->matches())
	125	if (match->channel() == channel_)
	126	trigger_match_ = match->type();
	127	}
	128
	129	LogicSignal::~LogicSignal()
	130	{
	131	}
	132
	133	shared_ptr<pv::data::SignalData> LogicSignal::data() const
	134	{
	135	return data_;
	136	}
	137
	138	shared_ptr<pv::data::Logic> LogicSignal::logic_data() const
	139	{
	140	return data_;
	141	}
	142
	143	void LogicSignal::set_logic_data(std::shared_ptr<pv::data::Logic> data)
	144	{
	145	data_ = data;
	146	}
	147
	148	std::pair<int, int> LogicSignal::v_extents() const
	149	{
	150	return make_pair(-SignalHeight - SignalMargin, SignalMargin);
	151	}
	152
	153	void LogicSignal::paint_back(QPainter &p, const ViewItemPaintParams &pp)
	154	{
	155	if (channel_->enabled())
	156	paint_axis(p, pp, get_visual_y());
	157	}
	158
	159	void LogicSignal::paint_mid(QPainter &p, const ViewItemPaintParams &pp)
	160	{
	161	QLineF *line;
	162
	163	vector< pair<int64_t, bool> > edges;
	164
	165	assert(channel_);
	166	assert(data_);
	167	assert(owner_);
	168
	169	const int y = get_visual_y();
	170
	171	if (!channel_->enabled())
	172	return;
	173
	174	const float high_offset = y - SignalHeight + 0.5f;
	175	const float low_offset = y + 0.5f;
	176
	177	const deque< shared_ptr<pv::data::LogicSegment> > &segments =
	178	data_->logic_segments();
	179	if (segments.empty())
	180	return;
	181
	182	const shared_ptr<pv::data::LogicSegment> &segment =
	183	segments.front();
	184
	185	double samplerate = segment->samplerate();
	186
	187	// Show sample rate as 1Hz when it is unknown
	188	if (samplerate == 0.0)
	189	samplerate = 1.0;
	190
	191	const double pixels_offset = pp.pixels_offset();
	192	const double start_time = segment->start_time();
	193	const int64_t last_sample = segment->get_sample_count() - 1;
	194	const double samples_per_pixel = samplerate * pp.scale();
	195	const double start = samplerate * (pp.offset() - start_time);
	196	const double end = start + samples_per_pixel * pp.width();
	197
	198	segment->get_subsampled_edges(edges,
	199	min(max((int64_t)floor(start), (int64_t)0), last_sample),
	200	min(max((int64_t)ceil(end), (int64_t)0), last_sample),
	201	samples_per_pixel / Oversampling, channel_->index());
	202	assert(edges.size() >= 2);
	203
	204	// Paint the edges
	205	const unsigned int edge_count = edges.size() - 2;
	206	QLineF *const edge_lines = new QLineF[edge_count];
	207	line = edge_lines;
	208
	209	for (auto i = edges.cbegin() + 1; i != edges.cend() - 1; i++) {
	210	const float x = ((*i).first / samples_per_pixel -
	211	pixels_offset) + pp.left();
	212	*line++ = QLineF(x, high_offset, x, low_offset);
	213	}
	214
	215	p.setPen(EdgeColour);
	216	p.drawLines(edge_lines, edge_count);
	217	delete[] edge_lines;
	218
	219	// Paint the caps
	220	const unsigned int max_cap_line_count = edges.size();
	221	QLineF *const cap_lines = new QLineF[max_cap_line_count];
	222
	223	p.setPen(HighColour);
	224	paint_caps(p, cap_lines, edges, true, samples_per_pixel,
	225	pixels_offset, pp.left(), high_offset);
	226	p.setPen(LowColour);
	227	paint_caps(p, cap_lines, edges, false, samples_per_pixel,
	228	pixels_offset, pp.left(), low_offset);
	229
	230	delete[] cap_lines;
	231	}
	232
	233	void LogicSignal::paint_fore(QPainter &p, const ViewItemPaintParams &pp)
	234	{
	235	// Draw the trigger marker
	236	if (!trigger_match_)
	237	return;
	238
	239	const int y = get_visual_y();
	240	const vector<int32_t> trig_types = get_trigger_types();
	241	for (int32_t type_id : trig_types) {
	242	const TriggerMatchType *const type =
	243	TriggerMatchType::get(type_id);
	244	if (trigger_match_ != type \|\| type_id < 0 \|\|
	245	(size_t)type_id >= countof(TriggerMarkerIcons) \|\|
	246	!TriggerMarkerIcons[type_id])
	247	continue;
	248
	249	const QPixmap *const pixmap = get_pixmap(
	250	TriggerMarkerIcons[type_id]);
	251	if (!pixmap)
	252	continue;
	253
	254	const float pad = TriggerMarkerPadding - 0.5f;
	255	const QSize size = pixmap->size();
	256	const QPoint point(
	257	pp.right() - size.width() - pad * 2,
	258	y - (SignalHeight + size.height()) / 2);
	259
	260	p.setPen(QPen(TriggerMarkerBackgroundColour.darker()));
	261	p.setBrush(TriggerMarkerBackgroundColour);
	262	p.drawRoundedRect(QRectF(point, size).adjusted(
	263	-pad, -pad, pad, pad), pad, pad);
	264	p.drawPixmap(point, *pixmap);
	265
	266	break;
	267	}
	268	}
	269
	270	void LogicSignal::paint_caps(QPainter &p, QLineF *const lines,
	271	vector< pair<int64_t, bool> > &edges, bool level,
	272	double samples_per_pixel, double pixels_offset, float x_offset,
	273	float y_offset)
	274	{
	275	QLineF *line = lines;
	276
	277	for (auto i = edges.begin(); i != (edges.end() - 1); i++)
	278	if ((*i).second == level) {
	279	*line++ = QLineF(
	280	((*i).first / samples_per_pixel -
	281	pixels_offset) + x_offset, y_offset,
	282	((*(i+1)).first / samples_per_pixel -
	283	pixels_offset) + x_offset, y_offset);
	284	}
	285
	286	p.drawLines(lines, line - lines);
	287	}
	288
	289	void LogicSignal::init_trigger_actions(QWidget *parent)
	290	{
	291	trigger_none_ = new QAction(*get_icon(":/icons/trigger-none.svg"),
	292	tr("No trigger"), parent);
	293	trigger_none_->setCheckable(true);
	294	connect(trigger_none_, SIGNAL(triggered()), this, SLOT(on_trigger()));
	295
	296	trigger_rising_ = new QAction(*get_icon(":/icons/trigger-rising.svg"),
	297	tr("Trigger on rising edge"), parent);
	298	trigger_rising_->setCheckable(true);
	299	connect(trigger_rising_, SIGNAL(triggered()), this, SLOT(on_trigger()));
	300
	301	trigger_high_ = new QAction(*get_icon(":/icons/trigger-high.svg"),
	302	tr("Trigger on high level"), parent);
	303	trigger_high_->setCheckable(true);
	304	connect(trigger_high_, SIGNAL(triggered()), this, SLOT(on_trigger()));
	305
	306	trigger_falling_ = new QAction(*get_icon(":/icons/trigger-falling.svg"),
	307	tr("Trigger on falling edge"), parent);
	308	trigger_falling_->setCheckable(true);
	309	connect(trigger_falling_, SIGNAL(triggered()), this, SLOT(on_trigger()));
	310
	311	trigger_low_ = new QAction(*get_icon(":/icons/trigger-low.svg"),
	312	tr("Trigger on low level"), parent);
	313	trigger_low_->setCheckable(true);
	314	connect(trigger_low_, SIGNAL(triggered()), this, SLOT(on_trigger()));
	315
	316	trigger_change_ = new QAction(*get_icon(":/icons/trigger-change.svg"),
	317	tr("Trigger on rising or falling edge"), parent);
	318	trigger_change_->setCheckable(true);
	319	connect(trigger_change_, SIGNAL(triggered()), this, SLOT(on_trigger()));
	320	}
	321
	322	const vector<int32_t> LogicSignal::get_trigger_types() const
	323	{
	324	const auto sr_dev = device_->device();
	325	const auto keys = sr_dev->config_keys(ConfigKey::DEVICE_OPTIONS);
	326	const auto iter = keys.find(ConfigKey::TRIGGER_MATCH);
	327	if (iter != keys.end() &&
	328	(iter).second.find(sigrok::LIST) != (iter).second.end()) {
	329	try {
	330	const Glib::VariantContainerBase gvar =
	331	sr_dev->config_list(ConfigKey::TRIGGER_MATCH);
	332	return Glib::VariantBase::cast_dynamic<
	333	Glib::Variant<vector<int32_t>>>(gvar).get();
	334	} catch (Error e) {
	335	// Failed to enumerate triggers
	336	(void)e;
	337	}
	338	}
	339
	340	return vector<int32_t>();
	341	}
	342
	343	QAction* LogicSignal::action_from_trigger_type(const TriggerMatchType *type)
	344	{
	345	QAction *action;
	346
	347	action = trigger_none_;
	348	if (type) {
	349	switch (type->id()) {
	350	case SR_TRIGGER_ZERO:
	351	action = trigger_low_;
	352	break;
	353	case SR_TRIGGER_ONE:
	354	action = trigger_high_;
	355	break;
	356	case SR_TRIGGER_RISING:
	357	action = trigger_rising_;
	358	break;
	359	case SR_TRIGGER_FALLING:
	360	action = trigger_falling_;
	361	break;
	362	case SR_TRIGGER_EDGE:
	363	action = trigger_change_;
	364	break;
	365	default:
	366	assert(0);
	367	}
	368	}
	369
	370	return action;
	371	}
	372
	373	const TriggerMatchType LogicSignal::trigger_type_from_action(QAction action)
	374	{
	375	if (action == trigger_low_)
	376	return TriggerMatchType::ZERO;
	377	else if (action == trigger_high_)
	378	return TriggerMatchType::ONE;
	379	else if (action == trigger_rising_)
	380	return TriggerMatchType::RISING;
	381	else if (action == trigger_falling_)
	382	return TriggerMatchType::FALLING;
	383	else if (action == trigger_change_)
	384	return TriggerMatchType::EDGE;
	385	else
	386	return nullptr;
	387	}
	388
	389	void LogicSignal::populate_popup_form(QWidget parent, QFormLayout form)
	390	{
	391	Signal::populate_popup_form(parent, form);
	392
	393	const vector<int32_t> trig_types = get_trigger_types();
	394
	395	if (!trig_types.empty()) {
	396	trigger_bar_ = new QToolBar(parent);
	397	init_trigger_actions(trigger_bar_);
	398	trigger_bar_->addAction(trigger_none_);
	399	trigger_none_->setChecked(!trigger_match_);
	400
	401	for (auto type_id : trig_types) {
	402	const TriggerMatchType *const type =
	403	TriggerMatchType::get(type_id);
	404	QAction *const action = action_from_trigger_type(type);
	405	trigger_bar_->addAction(action);
	406	action->setChecked(trigger_match_ == type);
	407	}
	408	form->addRow(tr("Trigger"), trigger_bar_);
	409	}
	410	}
	411
	412	void LogicSignal::modify_trigger()
	413	{
	414	auto trigger = session_.session()->trigger();
	415	auto new_trigger = session_.device_manager().context()->create_trigger("pulseview");
	416
	417	if (trigger) {
	418	for (auto stage : trigger->stages()) {
	419	const auto &matches = stage->matches();
	420	if (std::none_of(begin(matches), end(matches),
	421	[&](shared_ptr<TriggerMatch> match) {
	422	return match->channel() != channel_; }))
	423	continue;
	424
	425	auto new_stage = new_trigger->add_stage();
	426	for (auto match : stage->matches()) {
	427	if (match->channel() == channel_)
	428	continue;
	429	new_stage->add_match(match->channel(), match->type());
	430	}
	431	}
	432	}
	433
	434	if (trigger_match_)
	435	new_trigger->add_stage()->add_match(channel_, trigger_match_);
	436
	437	session_.session()->set_trigger(
	438	new_trigger->stages().empty() ? nullptr : new_trigger);
	439
	440	if (owner_)
	441	owner_->row_item_appearance_changed(false, true);
	442	}
	443
	444	const QIcon* LogicSignal::get_icon(const char *path)
	445	{
	446	const QIcon *icon = icon_cache_.take(path);
	447	if (!icon) {
	448	icon = new QIcon(path);
	449	icon_cache_.insert(path, icon);
	450	}
	451
	452	return icon;
	453	}
	454
	455	const QPixmap* LogicSignal::get_pixmap(const char *path)
	456	{
	457	const QPixmap *pixmap = pixmap_cache_.take(path);
	458	if (!pixmap) {
	459	pixmap = new QPixmap(path);
	460	pixmap_cache_.insert(path, pixmap);
	461	}
	462
	463	return pixmap;
	464	}
	465
	466	void LogicSignal::on_trigger()
	467	{
	468	QAction *action;
	469
	470	action_from_trigger_type(trigger_match_)->setChecked(false);
	471
	472	action = (QAction *)sender();
	473	action->setChecked(true);
	474	trigger_match_ = trigger_type_from_action(action);
	475
	476	modify_trigger();
	477	}
	478
	479	} // namespace view
	480	} // namespace pv