[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 <QApplication>
#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::Capability;
using sigrok::Error;
using sigrok::Trigger;
using sigrok::TriggerStage;
using sigrok::TriggerMatch;
using sigrok::TriggerMatchType;

namespace pv {
namespace view {

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),
	signal_height_(QFontMetrics(QApplication::font()).height() * 2),
	device_(device),
	data_(data),
	trigger_none_(nullptr),
	trigger_rising_(nullptr),
	trigger_high_(nullptr),
	trigger_falling_(nullptr),
	trigger_low_(nullptr),
	trigger_change_(nullptr)
{
	shared_ptr<Trigger> trigger;

	set_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();
}

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
{
	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, 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 - signal_height_ + 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 pv::util::Timestamp& start_time = segment->start_time();
	const int64_t last_sample = segment->get_sample_count() - 1;
	const double samples_per_pixel = samplerate * pp.scale();
	const pv::util::Timestamp start = samplerate * (pp.offset() - start_time);
	const pv::util::Timestamp end = start + samples_per_pixel * pp.width();

	const int64_t start_sample = min(max(floor(start).convert_to<int64_t>(),
		(int64_t)0), last_sample);
	const uint64_t end_sample = min(max(ceil(end).convert_to<int64_t>(),
		(int64_t)0), last_sample);

	segment->get_subsampled_edges(edges, start_sample, end_sample,
		samples_per_pixel / Oversampling, channel_->index());
	assert(edges.size() >= 2);

	// Paint the edges
	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_ || !channel_->enabled())
		return;

	const int y = get_visual_y();
	const vector<int32_t> trig_types = get_trigger_types();
	for (int32_t type_id : trig_types) {
		const TriggerMatchType *const type =
			TriggerMatchType::get(type_id);
		if (trigger_match_ != type || type_id < 0 ||
			(size_t)type_id >= countof(TriggerMarkerIcons) ||
			!TriggerMarkerIcons[type_id])
			continue;

		const QPixmap *const pixmap = get_pixmap(
			TriggerMarkerIcons[type_id]);
		if (!pixmap)
			continue;

		const float pad = TriggerMarkerPadding - 0.5f;
		const QSize size = pixmap->size();
		const QPoint point(
			pp.right() - size.width() - pad * 2,
			y - (signal_height_ + size.height()) / 2);

		p.setPen(QPen(TriggerMarkerBackgroundColour.darker()));
		p.setBrush(TriggerMarkerBackgroundColour);
		p.drawRoundedRect(QRectF(point, size).adjusted(
			-pad, -pad, pad, pad), pad, pad);
		p.drawPixmap(point, *pixmap);

		break;
	}
}

void LogicSignal::paint_caps(QPainter &p, QLineF *const lines,
	vector< pair<int64_t, bool> > &edges, bool level,
	double samples_per_pixel, double pixels_offset, float x_offset,
	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();
	if (sr_dev->config_check(ConfigKey::TRIGGER_MATCH, Capability::LIST)) {
		const Glib::VariantContainerBase gvar =
			sr_dev->config_list(ConfigKey::TRIGGER_MATCH);
		return Glib::VariantBase::cast_dynamic<
			Glib::Variant<vector<int32_t>>>(gvar).get();
	} 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(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(matches.begin(), matches.end(),
			    [&](shared_ptr<TriggerMatch> match) {
					return match->channel() != channel_; }))
				continue;

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

	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(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 <QApplication>
	29	#include <QFormLayout>
	30	#include <QToolBar>
	31
	32	#include "logicsignal.hpp"
	33	#include "view.hpp"
	34
	35	#include <pv/session.hpp>
	36	#include <pv/devicemanager.hpp>
	37	#include <pv/devices/device.hpp>
	38	#include <pv/data/logic.hpp>
	39	#include <pv/data/logicsegment.hpp>
	40	#include <pv/view/view.hpp>
	41
	42	#include <libsigrokcxx/libsigrokcxx.hpp>
	43
	44	using std::deque;
	45	using std::max;
	46	using std::make_pair;
	47	using std::min;
	48	using std::pair;
	49	using std::shared_ptr;
	50	using std::vector;
	51
	52	using sigrok::Channel;
	53	using sigrok::ConfigKey;
	54	using sigrok::Capability;
	55	using sigrok::Error;
	56	using sigrok::Trigger;
	57	using sigrok::TriggerStage;
	58	using sigrok::TriggerMatch;
	59	using sigrok::TriggerMatchType;
	60
	61	namespace pv {
	62	namespace view {
	63
	64	const float LogicSignal::Oversampling = 2.0f;
	65
	66	const QColor LogicSignal::EdgeColour(0x80, 0x80, 0x80);
	67	const QColor LogicSignal::HighColour(0x00, 0xC0, 0x00);
	68	const QColor LogicSignal::LowColour(0xC0, 0x00, 0x00);
	69
	70	const QColor LogicSignal::SignalColours[10] = {
	71	QColor(0x16, 0x19, 0x1A), // Black
	72	QColor(0x8F, 0x52, 0x02), // Brown
	73	QColor(0xCC, 0x00, 0x00), // Red
	74	QColor(0xF5, 0x79, 0x00), // Orange
	75	QColor(0xED, 0xD4, 0x00), // Yellow
	76	QColor(0x73, 0xD2, 0x16), // Green
	77	QColor(0x34, 0x65, 0xA4), // Blue
	78	QColor(0x75, 0x50, 0x7B), // Violet
	79	QColor(0x88, 0x8A, 0x85), // Grey
	80	QColor(0xEE, 0xEE, 0xEC), // White
	81	};
	82
	83	QColor LogicSignal::TriggerMarkerBackgroundColour = QColor(0xED, 0xD4, 0x00);
	84	const int LogicSignal::TriggerMarkerPadding = 2;
	85	const char* LogicSignal::TriggerMarkerIcons[8] = {
	86	nullptr,
	87	":/icons/trigger-marker-low.svg",
	88	":/icons/trigger-marker-high.svg",
	89	":/icons/trigger-marker-rising.svg",
	90	":/icons/trigger-marker-falling.svg",
	91	":/icons/trigger-marker-change.svg",
	92	nullptr,
	93	nullptr
	94	};
	95
	96	QCache<QString, const QIcon> LogicSignal::icon_cache_;
	97	QCache<QString, const QPixmap> LogicSignal::pixmap_cache_;
	98
	99	LogicSignal::LogicSignal(
	100	pv::Session &session,
	101	shared_ptr<devices::Device> device,
	102	shared_ptr<Channel> channel,
	103	shared_ptr<data::Logic> data) :
	104	Signal(session, channel),
	105	signal_height_(QFontMetrics(QApplication::font()).height() * 2),
	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	set_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	shared_ptr<pv::data::SignalData> LogicSignal::data() const
	130	{
	131	return data_;
	132	}
	133
	134	shared_ptr<pv::data::Logic> LogicSignal::logic_data() const
	135	{
	136	return data_;
	137	}
	138
	139	void LogicSignal::set_logic_data(std::shared_ptr<pv::data::Logic> data)
	140	{
	141	data_ = data;
	142	}
	143
	144	std::pair<int, int> LogicSignal::v_extents() const
	145	{
	146	const int signal_margin =
	147	QFontMetrics(QApplication::font()).height() / 2;
	148	return make_pair(-signal_height_ - signal_margin, signal_margin);
	149	}
	150
	151	int LogicSignal::scale_handle_offset() const
	152	{
	153	return -signal_height_;
	154	}
	155
	156	void LogicSignal::scale_handle_dragged(int offset)
	157	{
	158	const int font_height = QFontMetrics(QApplication::font()).height();
	159	const int units = (-offset / font_height);
	160	signal_height_ = ((units < 1) ? 1 : units) * font_height;
	161	}
	162
	163	void LogicSignal::paint_mid(QPainter &p, const ViewItemPaintParams &pp)
	164	{
	165	QLineF *line;
	166
	167	vector< pair<int64_t, bool> > edges;
	168
	169	assert(channel_);
	170	assert(data_);
	171	assert(owner_);
	172
	173	const int y = get_visual_y();
	174
	175	if (!channel_->enabled())
	176	return;
	177
	178	const float high_offset = y - signal_height_ + 0.5f;
	179	const float low_offset = y + 0.5f;
	180
	181	const deque< shared_ptr<pv::data::LogicSegment> > &segments =
	182	data_->logic_segments();
	183	if (segments.empty())
	184	return;
	185
	186	const shared_ptr<pv::data::LogicSegment> &segment =
	187	segments.front();
	188
	189	double samplerate = segment->samplerate();
	190
	191	// Show sample rate as 1Hz when it is unknown
	192	if (samplerate == 0.0)
	193	samplerate = 1.0;
	194
	195	const double pixels_offset = pp.pixels_offset();
	196	const pv::util::Timestamp& start_time = segment->start_time();
	197	const int64_t last_sample = segment->get_sample_count() - 1;
	198	const double samples_per_pixel = samplerate * pp.scale();
	199	const pv::util::Timestamp start = samplerate * (pp.offset() - start_time);
	200	const pv::util::Timestamp end = start + samples_per_pixel * pp.width();
	201
	202	const int64_t start_sample = min(max(floor(start).convert_to<int64_t>(),
	203	(int64_t)0), last_sample);
	204	const uint64_t end_sample = min(max(ceil(end).convert_to<int64_t>(),
	205	(int64_t)0), last_sample);
	206
	207	segment->get_subsampled_edges(edges, start_sample, end_sample,
	208	samples_per_pixel / Oversampling, channel_->index());
	209	assert(edges.size() >= 2);
	210
	211	// Paint the edges
	212	const unsigned int edge_count = edges.size() - 2;
	213	QLineF *const edge_lines = new QLineF[edge_count];
	214	line = edge_lines;
	215
	216	for (auto i = edges.cbegin() + 1; i != edges.cend() - 1; i++) {
	217	const float x = ((*i).first / samples_per_pixel -
	218	pixels_offset) + pp.left();
	219	*line++ = QLineF(x, high_offset, x, low_offset);
	220	}
	221
	222	p.setPen(EdgeColour);
	223	p.drawLines(edge_lines, edge_count);
	224	delete[] edge_lines;
	225
	226	// Paint the caps
	227	const unsigned int max_cap_line_count = edges.size();
	228	QLineF *const cap_lines = new QLineF[max_cap_line_count];
	229
	230	p.setPen(HighColour);
	231	paint_caps(p, cap_lines, edges, true, samples_per_pixel,
	232	pixels_offset, pp.left(), high_offset);
	233	p.setPen(LowColour);
	234	paint_caps(p, cap_lines, edges, false, samples_per_pixel,
	235	pixels_offset, pp.left(), low_offset);
	236
	237	delete[] cap_lines;
	238	}
	239
	240	void LogicSignal::paint_fore(QPainter &p, const ViewItemPaintParams &pp)
	241	{
	242	// Draw the trigger marker
	243	if (!trigger_match_ \|\| !channel_->enabled())
	244	return;
	245
	246	const int y = get_visual_y();
	247	const vector<int32_t> trig_types = get_trigger_types();
	248	for (int32_t type_id : trig_types) {
	249	const TriggerMatchType *const type =
	250	TriggerMatchType::get(type_id);
	251	if (trigger_match_ != type \|\| type_id < 0 \|\|
	252	(size_t)type_id >= countof(TriggerMarkerIcons) \|\|
	253	!TriggerMarkerIcons[type_id])
	254	continue;
	255
	256	const QPixmap *const pixmap = get_pixmap(
	257	TriggerMarkerIcons[type_id]);
	258	if (!pixmap)
	259	continue;
	260
	261	const float pad = TriggerMarkerPadding - 0.5f;
	262	const QSize size = pixmap->size();
	263	const QPoint point(
	264	pp.right() - size.width() - pad * 2,
	265	y - (signal_height_ + size.height()) / 2);
	266
	267	p.setPen(QPen(TriggerMarkerBackgroundColour.darker()));
	268	p.setBrush(TriggerMarkerBackgroundColour);
	269	p.drawRoundedRect(QRectF(point, size).adjusted(
	270	-pad, -pad, pad, pad), pad, pad);
	271	p.drawPixmap(point, *pixmap);
	272
	273	break;
	274	}
	275	}
	276
	277	void LogicSignal::paint_caps(QPainter &p, QLineF *const lines,
	278	vector< pair<int64_t, bool> > &edges, bool level,
	279	double samples_per_pixel, double pixels_offset, float x_offset,
	280	float y_offset)
	281	{
	282	QLineF *line = lines;
	283
	284	for (auto i = edges.begin(); i != (edges.end() - 1); i++)
	285	if ((*i).second == level) {
	286	*line++ = QLineF(
	287	((*i).first / samples_per_pixel -
	288	pixels_offset) + x_offset, y_offset,
	289	((*(i+1)).first / samples_per_pixel -
	290	pixels_offset) + x_offset, y_offset);
	291	}
	292
	293	p.drawLines(lines, line - lines);
	294	}
	295
	296	void LogicSignal::init_trigger_actions(QWidget *parent)
	297	{
	298	trigger_none_ = new QAction(*get_icon(":/icons/trigger-none.svg"),
	299	tr("No trigger"), parent);
	300	trigger_none_->setCheckable(true);
	301	connect(trigger_none_, SIGNAL(triggered()), this, SLOT(on_trigger()));
	302
	303	trigger_rising_ = new QAction(*get_icon(":/icons/trigger-rising.svg"),
	304	tr("Trigger on rising edge"), parent);
	305	trigger_rising_->setCheckable(true);
	306	connect(trigger_rising_, SIGNAL(triggered()), this, SLOT(on_trigger()));
	307
	308	trigger_high_ = new QAction(*get_icon(":/icons/trigger-high.svg"),
	309	tr("Trigger on high level"), parent);
	310	trigger_high_->setCheckable(true);
	311	connect(trigger_high_, SIGNAL(triggered()), this, SLOT(on_trigger()));
	312
	313	trigger_falling_ = new QAction(*get_icon(":/icons/trigger-falling.svg"),
	314	tr("Trigger on falling edge"), parent);
	315	trigger_falling_->setCheckable(true);
	316	connect(trigger_falling_, SIGNAL(triggered()), this, SLOT(on_trigger()));
	317
	318	trigger_low_ = new QAction(*get_icon(":/icons/trigger-low.svg"),
	319	tr("Trigger on low level"), parent);
	320	trigger_low_->setCheckable(true);
	321	connect(trigger_low_, SIGNAL(triggered()), this, SLOT(on_trigger()));
	322
	323	trigger_change_ = new QAction(*get_icon(":/icons/trigger-change.svg"),
	324	tr("Trigger on rising or falling edge"), parent);
	325	trigger_change_->setCheckable(true);
	326	connect(trigger_change_, SIGNAL(triggered()), this, SLOT(on_trigger()));
	327	}
	328
	329	const vector<int32_t> LogicSignal::get_trigger_types() const
	330	{
	331	const auto sr_dev = device_->device();
	332	if (sr_dev->config_check(ConfigKey::TRIGGER_MATCH, Capability::LIST)) {
	333	const Glib::VariantContainerBase gvar =
	334	sr_dev->config_list(ConfigKey::TRIGGER_MATCH);
	335	return Glib::VariantBase::cast_dynamic<
	336	Glib::Variant<vector<int32_t>>>(gvar).get();
	337	} else {
	338	return vector<int32_t>();
	339	}
	340	}
	341
	342	QAction* LogicSignal::action_from_trigger_type(const TriggerMatchType *type)
	343	{
	344	QAction *action;
	345
	346	action = trigger_none_;
	347	if (type) {
	348	switch (type->id()) {
	349	case SR_TRIGGER_ZERO:
	350	action = trigger_low_;
	351	break;
	352	case SR_TRIGGER_ONE:
	353	action = trigger_high_;
	354	break;
	355	case SR_TRIGGER_RISING:
	356	action = trigger_rising_;
	357	break;
	358	case SR_TRIGGER_FALLING:
	359	action = trigger_falling_;
	360	break;
	361	case SR_TRIGGER_EDGE:
	362	action = trigger_change_;
	363	break;
	364	default:
	365	assert(0);
	366	}
	367	}
	368
	369	return action;
	370	}
	371
	372	const TriggerMatchType LogicSignal::trigger_type_from_action(QAction action)
	373	{
	374	if (action == trigger_low_)
	375	return TriggerMatchType::ZERO;
	376	else if (action == trigger_high_)
	377	return TriggerMatchType::ONE;
	378	else if (action == trigger_rising_)
	379	return TriggerMatchType::RISING;
	380	else if (action == trigger_falling_)
	381	return TriggerMatchType::FALLING;
	382	else if (action == trigger_change_)
	383	return TriggerMatchType::EDGE;
	384	else
	385	return nullptr;
	386	}
	387
	388	void LogicSignal::populate_popup_form(QWidget parent, QFormLayout form)
	389	{
	390	Signal::populate_popup_form(parent, form);
	391
	392	const vector<int32_t> trig_types = get_trigger_types();
	393
	394	if (!trig_types.empty()) {
	395	trigger_bar_ = new QToolBar(parent);
	396	init_trigger_actions(trigger_bar_);
	397	trigger_bar_->addAction(trigger_none_);
	398	trigger_none_->setChecked(!trigger_match_);
	399
	400	for (auto type_id : trig_types) {
	401	const TriggerMatchType *const type =
	402	TriggerMatchType::get(type_id);
	403	QAction *const action = action_from_trigger_type(type);
	404	trigger_bar_->addAction(action);
	405	action->setChecked(trigger_match_ == type);
	406	}
	407	form->addRow(tr("Trigger"), trigger_bar_);
	408	}
	409	}
	410
	411	void LogicSignal::modify_trigger()
	412	{
	413	auto trigger = session_.session()->trigger();
	414	auto new_trigger = session_.device_manager().context()->create_trigger("pulseview");
	415
	416	if (trigger) {
	417	for (auto stage : trigger->stages()) {
	418	const auto &matches = stage->matches();
	419	if (std::none_of(matches.begin(), matches.end(),
	420	[&](shared_ptr<TriggerMatch> match) {
	421	return match->channel() != channel_; }))
	422	continue;
	423
	424	auto new_stage = new_trigger->add_stage();
	425	for (auto match : stage->matches()) {
	426	if (match->channel() == channel_)
	427	continue;
	428	new_stage->add_match(match->channel(), match->type());
	429	}
	430	}
	431	}
	432
	433	if (trigger_match_) {
	434	// Until we can let the user decide how to group trigger matches
	435	// into stages, put all of the matches into a single stage --
	436	// most devices only support a single trigger stage.
	437	if (new_trigger->stages().empty())
	438	new_trigger->add_stage();
	439
	440	new_trigger->stages().back()->add_match(channel_, trigger_match_);
	441	}
	442
	443	session_.session()->set_trigger(
	444	new_trigger->stages().empty() ? nullptr : new_trigger);
	445
	446	if (owner_)
	447	owner_->row_item_appearance_changed(false, true);
	448	}
	449
	450	const QIcon* LogicSignal::get_icon(const char *path)
	451	{
	452	const QIcon *icon = icon_cache_.take(path);
	453	if (!icon) {
	454	icon = new QIcon(path);
	455	icon_cache_.insert(path, icon);
	456	}
	457
	458	return icon;
	459	}
	460
	461	const QPixmap* LogicSignal::get_pixmap(const char *path)
	462	{
	463	const QPixmap *pixmap = pixmap_cache_.take(path);
	464	if (!pixmap) {
	465	pixmap = new QPixmap(path);
	466	pixmap_cache_.insert(path, pixmap);
	467	}
	468
	469	return pixmap;
	470	}
	471
	472	void LogicSignal::on_trigger()
	473	{
	474	QAction *action;
	475
	476	action_from_trigger_type(trigger_match_)->setChecked(false);
	477
	478	action = (QAction *)sender();
	479	action->setChecked(true);
	480	trigger_match_ = trigger_type_from_action(action);
	481
	482	modify_trigger();
	483	}
	484
	485	} // namespace view
	486	} // namespace pv