[pulseview.git] / pv / view / decodetrace.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
 */

extern "C" {
#include <libsigrokdecode/libsigrokdecode.h>
}

#include <extdef.h>

#include <boost/foreach.hpp>

#include <QAction>
#include <QApplication>
#include <QComboBox>
#include <QFormLayout>
#include <QLabel>
#include <QMenu>
#include <QPushButton>

#include "decodetrace.h"

#include <pv/sigsession.h>
#include <pv/data/decoderstack.h>
#include <pv/data/decode/decoder.h>
#include <pv/data/logic.h>
#include <pv/data/logicsnapshot.h>
#include <pv/data/decode/annotation.h>
#include <pv/view/logicsignal.h>
#include <pv/view/view.h>
#include <pv/widgets/decodergroupbox.h>
#include <pv/widgets/decodermenu.h>

using namespace boost;
using namespace std;

namespace pv {
namespace view {

const QColor DecodeTrace::DecodeColours[4] = {
	QColor(0xEF, 0x29, 0x29),	// Red
	QColor(0xFC, 0xE9, 0x4F),	// Yellow
	QColor(0x8A, 0xE2, 0x34),	// Green
	QColor(0x72, 0x9F, 0xCF)	// Blue
};

const QColor DecodeTrace::ErrorBgColour = QColor(0xEF, 0x29, 0x29);
const QColor DecodeTrace::NoDecodeColour = QColor(0x88, 0x8A, 0x85);

const double DecodeTrace::EndCapWidth = 5;
const int DecodeTrace::DrawPadding = 100;

const QColor DecodeTrace::Colours[7] = {
	QColor(0xFC, 0xE9, 0x4F),	// Light Butter
	QColor(0xFC, 0xAF, 0x3E),	// Light Orange
	QColor(0xE9, 0xB9, 0x6E),	// Light Chocolate
	QColor(0x8A, 0xE2, 0x34),	// Light Green
	QColor(0x72, 0x9F, 0xCF),	// Light Blue
	QColor(0xAD, 0x7F, 0xA8),	// Light Plum
	QColor(0xEF, 0x29, 0x29)	// Light Red
};

DecodeTrace::DecodeTrace(pv::SigSession &session,
	boost::shared_ptr<pv::data::DecoderStack> decoder_stack, int index) :
	Trace(session, QString::fromUtf8(
		decoder_stack->stack().front()->decoder()->name)),
	_decoder_stack(decoder_stack),
	_delete_mapper(this)
{
	assert(_decoder_stack);

	_colour = DecodeColours[index % countof(DecodeColours)];

	connect(_decoder_stack.get(), SIGNAL(new_decode_data()),
		this, SLOT(on_new_decode_data()));
	connect(&_delete_mapper, SIGNAL(mapped(int)),
		this, SLOT(on_delete_decoder(int)));
}

bool DecodeTrace::enabled() const
{
	return true;
}

const boost::shared_ptr<pv::data::DecoderStack>& DecodeTrace::decoder() const
{
	return _decoder_stack;
}

void DecodeTrace::set_view(pv::view::View *view)
{
	assert(view);
	Trace::set_view(view);
}

void DecodeTrace::paint_back(QPainter &p, int left, int right)
{
	Trace::paint_back(p, left, right);
	paint_axis(p, get_y(), left, right);
}

void DecodeTrace::paint_mid(QPainter &p, int left, int right)
{
	using pv::data::decode::Annotation;

	const double scale = _view->scale();
	assert(scale > 0);

	double samplerate = _decoder_stack->samplerate();

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

	const double pixels_offset = (_view->offset() -
		_decoder_stack->get_start_time()) / scale;
	const double samples_per_pixel = samplerate * scale;

	QFontMetrics m(QApplication::font());
	const int h = (m.boundingRect(QRect(), 0, "Tg").height() * 5) / 4;

	assert(_decoder_stack);
	const QString err = _decoder_stack->error_message();
	if (!err.isEmpty())
	{
		draw_error(p, err, left, right);
		draw_unresolved_period(p, h, left, right, samples_per_pixel,
			pixels_offset);
		return;
	}

	assert(_view);
	const int y = get_y();

	assert(_decoder_stack);
	vector<Annotation> annotations(_decoder_stack->annotations());
	BOOST_FOREACH(const Annotation &a, annotations)
		draw_annotation(a, p, get_text_colour(), h, left, right,
			samples_per_pixel, pixels_offset, y);

	draw_unresolved_period(p, h, left, right,
		samples_per_pixel, pixels_offset);
}

void DecodeTrace::populate_popup_form(QWidget *parent, QFormLayout *form)
{
	using pv::data::decode::Decoder;

	assert(form);
	assert(parent);
	assert(_decoder_stack);

	// Add the standard options
	Trace::populate_popup_form(parent, form);

	// Add the decoder options
	_bindings.clear();
	_probe_selectors.clear();

	const list< shared_ptr<Decoder> >& stack = _decoder_stack->stack();

	if (stack.empty())
	{
		QLabel *const l = new QLabel(
			tr("<p><i>No decoders in the stack</i></p>"));
		l->setAlignment(Qt::AlignCenter);
		form->addRow(l);
	}
	else
	{
		list< shared_ptr<Decoder> >::const_iterator iter =
			stack.begin();
		for (int i = 0; i < (int)stack.size(); i++, iter++) {
			shared_ptr<Decoder> dec(*iter);
			create_decoder_form(i, dec, parent, form);
		}

		form->addRow(new QLabel(
			tr("<i>* Required Probes</i>"), parent));
	}

	// Add stacking button
	pv::widgets::DecoderMenu *const decoder_menu =
		new pv::widgets::DecoderMenu(parent);
	connect(decoder_menu, SIGNAL(decoder_selected(srd_decoder*)),
		this, SLOT(on_stack_decoder(srd_decoder*)));

	QPushButton *const stack_button =
		new QPushButton(tr("Stack Decoder"), parent);
	stack_button->setMenu(decoder_menu);

	QHBoxLayout *stack_button_box = new QHBoxLayout;
	stack_button_box->addWidget(stack_button, 0, Qt::AlignRight);
	form->addRow(stack_button_box);
}

QMenu* DecodeTrace::create_context_menu(QWidget *parent)
{
	QMenu *const menu = Trace::create_context_menu(parent);

	menu->addSeparator();

	QAction *const del = new QAction(tr("Delete"), this);
	del->setShortcuts(QKeySequence::Delete);
	connect(del, SIGNAL(triggered()), this, SLOT(on_delete()));
	menu->addAction(del);

	return menu;
}

void DecodeTrace::draw_annotation(const pv::data::decode::Annotation &a, QPainter &p,
	QColor text_color, int h, int left, int right, double samples_per_pixel,
	double pixels_offset, int y) const
{
	const double start = a.start_sample() / samples_per_pixel -
		pixels_offset;
	const double end = a.end_sample() / samples_per_pixel -
		pixels_offset;
	const QColor fill = Colours[(a.format() * (countof(Colours) / 2 + 1)) %
		countof(Colours)];
	const QColor outline(fill.darker());

	if (start > right + DrawPadding || end < left - DrawPadding)
		return;

	if (a.start_sample() == a.end_sample())
		draw_instant(a, p, fill, outline, text_color, h,
			start, y);
	else
		draw_range(a, p, fill, outline, text_color, h,
			start, end, y);
}

void DecodeTrace::draw_instant(const pv::data::decode::Annotation &a, QPainter &p,
	QColor fill, QColor outline, QColor text_color, int h, double x, int y) const
{
	const QString text = a.annotations().empty() ?
		QString() : a.annotations().back();
	const double w = min(p.boundingRect(QRectF(), 0, text).width(),
		0.0) + h;
	const QRectF rect(x - w / 2, y - h / 2, w, h);

	p.setPen(outline);
	p.setBrush(fill);
	p.drawRoundedRect(rect, h / 2, h / 2);

	p.setPen(text_color);
	p.drawText(rect, Qt::AlignCenter | Qt::AlignVCenter, text);
}

void DecodeTrace::draw_range(const pv::data::decode::Annotation &a, QPainter &p,
	QColor fill, QColor outline, QColor text_color, int h, double start,
	double end, int y) const
{
	const double top = y + .5 - h / 2;
	const double bottom = y + .5 + h / 2;
	const vector<QString> annotations = a.annotations();

	p.setPen(outline);
	p.setBrush(fill);

	// If the two ends are within 1 pixel, draw a vertical line
	if (start + 1.0 > end)
	{
		p.drawLine(QPointF(start, top), QPointF(start, bottom));
		return;
	}

	const double cap_width = min((end - start) / 4, EndCapWidth);

	QPointF pts[] = {
		QPointF(start, y + .5f),
		QPointF(start + cap_width, top),
		QPointF(end - cap_width, top),
		QPointF(end, y + .5f),
		QPointF(end - cap_width, bottom),
		QPointF(start + cap_width, bottom)
	};

	p.drawConvexPolygon(pts, countof(pts));

	if (annotations.empty())
		return;

	QRectF rect(start + cap_width, y - h / 2,
		end - start - cap_width * 2, h);
	p.setPen(text_color);

	// Try to find an annotation that will fit
	QString best_annotation;
	int best_width = 0;

	BOOST_FOREACH(const QString &a, annotations) {
		const int w = p.boundingRect(QRectF(), 0, a).width();
		if (w <= rect.width() && w > best_width)
			best_annotation = a, best_width = w;
	}

	if (best_annotation.isEmpty())
		best_annotation = annotations.back();

	// If not ellide the last in the list
	p.drawText(rect, Qt::AlignCenter, p.fontMetrics().elidedText(
		best_annotation, Qt::ElideRight, rect.width()));
}

void DecodeTrace::draw_error(QPainter &p, const QString &message,
	int left, int right)
{
	const int y = get_y();

	p.setPen(ErrorBgColour.darker());
	p.setBrush(ErrorBgColour);

	const QRectF bounding_rect =
		QRectF(left, INT_MIN / 2 + y, right - left, INT_MAX);
	const QRectF text_rect = p.boundingRect(bounding_rect,
		Qt::AlignCenter, message);
	const float r = text_rect.height() / 4;

	p.drawRoundedRect(text_rect.adjusted(-r, -r, r, r), r, r,
		Qt::AbsoluteSize);

	p.setPen(get_text_colour());
	p.drawText(text_rect, message);
}

void DecodeTrace::draw_unresolved_period(QPainter &p, int h, int left,
	int right, double samples_per_pixel, double pixels_offset) 
{
	using namespace pv::data;
	using pv::data::decode::Decoder;

	assert(_decoder_stack);	

	shared_ptr<Logic> data;
	shared_ptr<LogicSignal> logic_signal;

	const list< shared_ptr<Decoder> > &stack = _decoder_stack->stack();

	// We get the logic data of the first probe in the list.
	// This works because we are currently assuming all
	// LogicSignals have the same data/snapshot
	BOOST_FOREACH (const shared_ptr<Decoder> &dec, stack)
		if (dec && !dec->probes().empty() &&
			((logic_signal = (*dec->probes().begin()).second)) &&
			((data = logic_signal->logic_data())))
			break;

	if (!data || data->get_snapshots().empty())
		return;

	const shared_ptr<LogicSnapshot> snapshot =
		data->get_snapshots().front();
	assert(snapshot);
	const int64_t sample_count = (int64_t)snapshot->get_sample_count();
	if (sample_count == 0)
		return;

	const int64_t samples_decoded = _decoder_stack->samples_decoded();
	if (sample_count == samples_decoded)
		return;

	const int y = get_y();
	const double start = max(samples_decoded /
		samples_per_pixel - pixels_offset, left - 1.0);
	const double end = min(sample_count / samples_per_pixel -
		pixels_offset, right + 1.0);
	const QRectF no_decode_rect(start, y - h/2 + 0.5, end - start, h);

	p.setPen(QPen(Qt::NoPen));
	p.setBrush(Qt::white);
	p.drawRect(no_decode_rect);

	p.setPen(NoDecodeColour);
	p.setBrush(QBrush(NoDecodeColour, Qt::Dense6Pattern));
	p.drawRect(no_decode_rect);
}

void DecodeTrace::create_decoder_form(int index,
	shared_ptr<data::decode::Decoder> &dec, QWidget *parent,
	QFormLayout *form)
{
	const GSList *probe;

	assert(dec);
	const srd_decoder *const decoder = dec->decoder();
	assert(decoder);

	pv::widgets::DecoderGroupBox *const group =
		new pv::widgets::DecoderGroupBox(
			QString::fromUtf8(decoder->name));

	_delete_mapper.setMapping(group, index);
	connect(group, SIGNAL(delete_decoder()), &_delete_mapper, SLOT(map()));

	QFormLayout *const decoder_form = new QFormLayout;
	group->add_layout(decoder_form);

	// Add the mandatory probes
	for(probe = decoder->probes; probe; probe = probe->next) {
		const struct srd_probe *const p =
			(struct srd_probe *)probe->data;
		QComboBox *const combo = create_probe_selector(parent, dec, p);
		connect(combo, SIGNAL(currentIndexChanged(int)),
			this, SLOT(on_probe_selected(int)));
		decoder_form->addRow(tr("<b>%1</b> (%2) *")
			.arg(p->name).arg(p->desc), combo);

		const ProbeSelector s = {combo, dec, p};
		_probe_selectors.push_back(s);
	}

	// Add the optional probes
	for(probe = decoder->opt_probes; probe; probe = probe->next) {
		const struct srd_probe *const p =
			(struct srd_probe *)probe->data;
		QComboBox *const combo = create_probe_selector(parent, dec, p);
		connect(combo, SIGNAL(currentIndexChanged(int)),
			this, SLOT(on_probe_selected(int)));
		decoder_form->addRow(tr("<b>%1</b> (%2)")
			.arg(p->name).arg(p->desc), combo);

		const ProbeSelector s = {combo, dec, p};
		_probe_selectors.push_back(s);
	}

	// Add the options
	shared_ptr<prop::binding::DecoderOptions> binding(
		new prop::binding::DecoderOptions(_decoder_stack, dec));
	binding->add_properties_to_form(decoder_form, true);

	_bindings.push_back(binding);

	form->addRow(group);
}

QComboBox* DecodeTrace::create_probe_selector(
	QWidget *parent, const shared_ptr<data::decode::Decoder> &dec,
	const srd_probe *const probe)
{
	assert(dec);

	const vector< shared_ptr<Signal> > sigs = _session.get_signals();

	assert(_decoder_stack);
	const map<const srd_probe*,
		shared_ptr<LogicSignal> >::const_iterator probe_iter =
		dec->probes().find(probe);

	QComboBox *selector = new QComboBox(parent);

	selector->addItem("-", qVariantFromValue((void*)NULL));

	if (probe_iter == dec->probes().end())
		selector->setCurrentIndex(0);

	for(size_t i = 0; i < sigs.size(); i++) {
		const shared_ptr<view::Signal> s(sigs[i]);
		assert(s);

		if (dynamic_pointer_cast<LogicSignal>(s) && s->enabled())
		{
			selector->addItem(s->get_name(),
				qVariantFromValue((void*)s.get()));
			if ((*probe_iter).second == s)
				selector->setCurrentIndex(i + 1);
		}
	}

	return selector;
}

void DecodeTrace::commit_decoder_probes(shared_ptr<data::decode::Decoder> &dec)
{
	assert(dec);

	map<const srd_probe*, shared_ptr<LogicSignal> > probe_map;
	const vector< shared_ptr<Signal> > sigs = _session.get_signals();

	BOOST_FOREACH(const ProbeSelector &s, _probe_selectors)
	{
		if(s._decoder != dec)
			break;

		const LogicSignal *const selection =
			(LogicSignal*)s._combo->itemData(
				s._combo->currentIndex()).value<void*>();

		BOOST_FOREACH(shared_ptr<Signal> sig, sigs)
			if(sig.get() == selection) {
				probe_map[s._probe] =
					dynamic_pointer_cast<LogicSignal>(sig);
				break;
			}
	}

	dec->set_probes(probe_map);
}

void DecodeTrace::commit_probes()
{
	assert(_decoder_stack);
	BOOST_FOREACH(shared_ptr<data::decode::Decoder> dec,
		_decoder_stack->stack())
		commit_decoder_probes(dec);

	_decoder_stack->begin_decode();
}

void DecodeTrace::on_new_decode_data()
{
	if (_view)
		_view->update_viewport();
}

void DecodeTrace::delete_pressed()
{
	on_delete();
}

void DecodeTrace::on_delete()
{
	_session.remove_decode_signal(this);
}

void DecodeTrace::on_probe_selected(int)
{
	commit_probes();
}

void DecodeTrace::on_stack_decoder(srd_decoder *decoder)
{
	assert(decoder);
	assert(_decoder_stack);
	_decoder_stack->push(shared_ptr<data::decode::Decoder>(
		new data::decode::Decoder(decoder)));
	_decoder_stack->begin_decode();

	create_popup_form();
}

void DecodeTrace::on_delete_decoder(int index)
{
	_decoder_stack->remove(index);

	// Update the popup
	create_popup_form();	

	_decoder_stack->begin_decode();
}

} // namespace view
} // namespace pv
Commit	Line	Data
55d3603d JH	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	extern "C" {
	22	#include <libsigrokdecode/libsigrokdecode.h>
	23	}
	24
06bb4e6a JH	25	#include <extdef.h>
06bb4e6a JH	26
b213ef09 JH	27	#include <boost/foreach.hpp>
b213ef09 JH	28
c51482b3	29	#include <QAction>
d7c0ca4a	30	#include <QApplication>
4e5a4405 JH	31	#include <QComboBox>
	32	#include <QFormLayout>
	33	#include <QLabel>
b213ef09	34	#include <QMenu>
ce94e4fd	35	#include <QPushButton>
c51482b3	36
b9329558	37	#include "decodetrace.h"
55d3603d	38
06bb4e6a	39	#include <pv/sigsession.h>
6e89374a	40	#include <pv/data/decoderstack.h>
7491a29f	41	#include <pv/data/decode/decoder.h>
5dfeb70f JH	42	#include <pv/data/logic.h>
5dfeb70f JH	43	#include <pv/data/logicsnapshot.h>
06e810f2	44	#include <pv/data/decode/annotation.h>
4e5a4405	45	#include <pv/view/logicsignal.h>
e0fc5810	46	#include <pv/view/view.h>
204bae45	47	#include <pv/widgets/decodergroupbox.h>
ce94e4fd	48	#include <pv/widgets/decodermenu.h>
119aff65	49
55d3603d JH	50	using namespace boost;
	51	using namespace std;
	52
	53	namespace pv {
	54	namespace view {
	55
b9329558	56	const QColor DecodeTrace::DecodeColours[4] = {
06bb4e6a JH	57	QColor(0xEF, 0x29, 0x29), // Red
	58	QColor(0xFC, 0xE9, 0x4F), // Yellow
	59	QColor(0x8A, 0xE2, 0x34), // Green
	60	QColor(0x72, 0x9F, 0xCF) // Blue
	61	};
	62
b9329558	63	const QColor DecodeTrace::ErrorBgColour = QColor(0xEF, 0x29, 0x29);
5dfeb70f	64	const QColor DecodeTrace::NoDecodeColour = QColor(0x88, 0x8A, 0x85);
ad50ac1a	65
06e810f2 JH	66	const double DecodeTrace::EndCapWidth = 5;
	67	const int DecodeTrace::DrawPadding = 100;
	68
	69	const QColor DecodeTrace::Colours[7] = {
	70	QColor(0xFC, 0xE9, 0x4F), // Light Butter
	71	QColor(0xFC, 0xAF, 0x3E), // Light Orange
	72	QColor(0xE9, 0xB9, 0x6E), // Light Chocolate
	73	QColor(0x8A, 0xE2, 0x34), // Light Green
	74	QColor(0x72, 0x9F, 0xCF), // Light Blue
	75	QColor(0xAD, 0x7F, 0xA8), // Light Plum
	76	QColor(0xEF, 0x29, 0x29) // Light Red
	77	};
	78
b9329558	79	DecodeTrace::DecodeTrace(pv::SigSession &session,
6e89374a	80	boost::shared_ptr<pv::data::DecoderStack> decoder_stack, int index) :
27e8df22 JH	81	Trace(session, QString::fromUtf8(
27e8df22 JH	82	decoder_stack->stack().front()->decoder()->name)),
613d097c JH	83	_decoder_stack(decoder_stack),
613d097c JH	84	_delete_mapper(this)
55d3603d	85	{
6e89374a	86	assert(_decoder_stack);
e0fc5810	87
06bb4e6a	88	_colour = DecodeColours[index % countof(DecodeColours)];
9cef9567	89
6e89374a	90	connect(_decoder_stack.get(), SIGNAL(new_decode_data()),
9cef9567	91	this, SLOT(on_new_decode_data()));
613d097c JH	92	connect(&_delete_mapper, SIGNAL(mapped(int)),
613d097c JH	93	this, SLOT(on_delete_decoder(int)));
55d3603d JH	94	}
55d3603d JH	95
b9329558	96	bool DecodeTrace::enabled() const
55d3603d JH	97	{
	98	return true;
	99	}
	100
6e89374a	101	const boost::shared_ptr<pv::data::DecoderStack>& DecodeTrace::decoder() const
b6b267bb	102	{
6e89374a	103	return _decoder_stack;
b6b267bb JH	104	}
b6b267bb JH	105
b9329558	106	void DecodeTrace::set_view(pv::view::View *view)
e0fc5810 JH	107	{
	108	assert(view);
	109	Trace::set_view(view);
	110	}
	111
b9329558	112	void DecodeTrace::paint_back(QPainter &p, int left, int right)
fe08b6e8	113	{
5dfeb70f	114	Trace::paint_back(p, left, right);
fe08b6e8 JH	115	paint_axis(p, get_y(), left, right);
	116	}
	117
b9329558	118	void DecodeTrace::paint_mid(QPainter &p, int left, int right)
55d3603d	119	{
06e810f2	120	using pv::data::decode::Annotation;
9472f447	121
9472f447 JH	122	const double scale = _view->scale();
	123	assert(scale > 0);
	124
9d28da5a	125	double samplerate = _decoder_stack->samplerate();
9472f447 JH	126
	127	// Show sample rate as 1Hz when it is unknown
	128	if (samplerate == 0.0)
	129	samplerate = 1.0;
	130
	131	const double pixels_offset = (_view->offset() -
6e89374a	132	_decoder_stack->get_start_time()) / scale;
9472f447 JH	133	const double samples_per_pixel = samplerate * scale;
9472f447 JH	134
d7c0ca4a JH	135	QFontMetrics m(QApplication::font());
d7c0ca4a JH	136	const int h = (m.boundingRect(QRect(), 0, "Tg").height() * 5) / 4;
5dfeb70f JH	137
	138	assert(_decoder_stack);
	139	const QString err = _decoder_stack->error_message();
	140	if (!err.isEmpty())
	141	{
	142	draw_error(p, err, left, right);
	143	draw_unresolved_period(p, h, left, right, samples_per_pixel,
	144	pixels_offset);
	145	return;
	146	}
	147
	148	assert(_view);
	149	const int y = get_y();
	150
6e89374a	151	assert(_decoder_stack);
db62bbfd JH	152	vector<Annotation> annotations(_decoder_stack->annotations());
db62bbfd JH	153	BOOST_FOREACH(const Annotation &a, annotations)
06e810f2	154	draw_annotation(a, p, get_text_colour(), h, left, right,
5dfeb70f	155	samples_per_pixel, pixels_offset, y);
5dfeb70f JH	156
	157	draw_unresolved_period(p, h, left, right,
	158	samples_per_pixel, pixels_offset);
55d3603d JH	159	}
55d3603d JH	160
b9329558	161	void DecodeTrace::populate_popup_form(QWidget parent, QFormLayout form)
4e5a4405	162	{
613d097c JH	163	using pv::data::decode::Decoder;
613d097c JH	164
4e5a4405 JH	165	assert(form);
4e5a4405 JH	166	assert(parent);
6e89374a	167	assert(_decoder_stack);
4e5a4405	168
7491a29f	169	// Add the standard options
4e5a4405 JH	170	Trace::populate_popup_form(parent, form);
4e5a4405 JH	171
7491a29f JH	172	// Add the decoder options
	173	_bindings.clear();
	174	_probe_selectors.clear();
4e5a4405	175
613d097c	176	const list< shared_ptr<Decoder> >& stack = _decoder_stack->stack();
4e5a4405	177
5069084a JH	178	if (stack.empty())
	179	{
	180	QLabel *const l = new QLabel(
	181	tr("<p><i>No decoders in the stack</i></p>"));
	182	l->setAlignment(Qt::AlignCenter);
	183	form->addRow(l);
	184	}
	185	else
	186	{
	187	list< shared_ptr<Decoder> >::const_iterator iter =
	188	stack.begin();
	189	for (int i = 0; i < (int)stack.size(); i++, iter++) {
	190	shared_ptr<Decoder> dec(*iter);
	191	create_decoder_form(i, dec, parent, form);
	192	}
	193
	194	form->addRow(new QLabel(
	195	tr("<i>* Required Probes</i>"), parent));
	196	}
4e5a4405	197
ce94e4fd	198	// Add stacking button
ce94e4fd JH	199	pv::widgets::DecoderMenu *const decoder_menu =
ce94e4fd JH	200	new pv::widgets::DecoderMenu(parent);
7491a29f JH	201	connect(decoder_menu, SIGNAL(decoder_selected(srd_decoder*)),
	202	this, SLOT(on_stack_decoder(srd_decoder*)));
	203
	204	QPushButton *const stack_button =
	205	new QPushButton(tr("Stack Decoder"), parent);
ce94e4fd JH	206	stack_button->setMenu(decoder_menu);
	207
	208	QHBoxLayout *stack_button_box = new QHBoxLayout;
	209	stack_button_box->addWidget(stack_button, 0, Qt::AlignRight);
	210	form->addRow(stack_button_box);
4e5a4405 JH	211	}
4e5a4405 JH	212
b9329558	213	QMenu* DecodeTrace::create_context_menu(QWidget *parent)
c51482b3 JH	214	{
	215	QMenu *const menu = Trace::create_context_menu(parent);
	216
	217	menu->addSeparator();
	218
	219	QAction *const del = new QAction(tr("Delete"), this);
a2d21018	220	del->setShortcuts(QKeySequence::Delete);
c51482b3 JH	221	connect(del, SIGNAL(triggered()), this, SLOT(on_delete()));
	222	menu->addAction(del);
	223
	224	return menu;
	225	}
	226
06e810f2 JH	227	void DecodeTrace::draw_annotation(const pv::data::decode::Annotation &a, QPainter &p,
	228	QColor text_color, int h, int left, int right, double samples_per_pixel,
	229	double pixels_offset, int y) const
	230	{
	231	const double start = a.start_sample() / samples_per_pixel -
	232	pixels_offset;
	233	const double end = a.end_sample() / samples_per_pixel -
	234	pixels_offset;
	235	const QColor fill = Colours[(a.format() * (countof(Colours) / 2 + 1)) %
	236	countof(Colours)];
	237	const QColor outline(fill.darker());
	238
	239	if (start > right + DrawPadding \|\| end < left - DrawPadding)
	240	return;
	241
	242	if (a.start_sample() == a.end_sample())
	243	draw_instant(a, p, fill, outline, text_color, h,
	244	start, y);
	245	else
	246	draw_range(a, p, fill, outline, text_color, h,
	247	start, end, y);
	248	}
	249
	250	void DecodeTrace::draw_instant(const pv::data::decode::Annotation &a, QPainter &p,
	251	QColor fill, QColor outline, QColor text_color, int h, double x, int y) const
	252	{
	253	const QString text = a.annotations().empty() ?
	254	QString() : a.annotations().back();
	255	const double w = min(p.boundingRect(QRectF(), 0, text).width(),
	256	0.0) + h;
	257	const QRectF rect(x - w / 2, y - h / 2, w, h);
	258
	259	p.setPen(outline);
	260	p.setBrush(fill);
	261	p.drawRoundedRect(rect, h / 2, h / 2);
	262
	263	p.setPen(text_color);
	264	p.drawText(rect, Qt::AlignCenter \| Qt::AlignVCenter, text);
	265	}
	266
	267	void DecodeTrace::draw_range(const pv::data::decode::Annotation &a, QPainter &p,
	268	QColor fill, QColor outline, QColor text_color, int h, double start,
	269	double end, int y) const
	270	{
	271	const double top = y + .5 - h / 2;
	272	const double bottom = y + .5 + h / 2;
	273	const vector<QString> annotations = a.annotations();
	274
	275	p.setPen(outline);
	276	p.setBrush(fill);
	277
	278	// If the two ends are within 1 pixel, draw a vertical line
	279	if (start + 1.0 > end)
	280	{
	281	p.drawLine(QPointF(start, top), QPointF(start, bottom));
	282	return;
	283	}
	284
	285	const double cap_width = min((end - start) / 4, EndCapWidth);
	286
	287	QPointF pts[] = {
	288	QPointF(start, y + .5f),
	289	QPointF(start + cap_width, top),
	290	QPointF(end - cap_width, top),
291	QPointF(end, y + .5f),
292	QPointF(end - cap_width, bottom),
293	QPointF(start + cap_width, bottom)
294	};
295
296	p.drawConvexPolygon(pts, countof(pts));
297
298	if (annotations.empty())
299	return;
300
301	QRectF rect(start + cap_width, y - h / 2,
302	end - start - cap_width * 2, h);
303	p.setPen(text_color);
304
305	// Try to find an annotation that will fit
306	QString best_annotation;
307	int best_width = 0;
308
309	BOOST_FOREACH(const QString &a, annotations) {
310	const int w = p.boundingRect(QRectF(), 0, a).width();
311	if (w <= rect.width() && w > best_width)
312	best_annotation = a, best_width = w;
313	}
314
315	if (best_annotation.isEmpty())
316	best_annotation = annotations.back();
317
318	// If not ellide the last in the list
319	p.drawText(rect, Qt::AlignCenter, p.fontMetrics().elidedText(
320	best_annotation, Qt::ElideRight, rect.width()));
321	}
322
b9329558	323	void DecodeTrace::draw_error(QPainter &p, const QString &message,
ad50ac1a JH	324	int left, int right)
	325	{
	326	const int y = get_y();
	327
	328	p.setPen(ErrorBgColour.darker());
	329	p.setBrush(ErrorBgColour);
	330
	331	const QRectF bounding_rect =
	332	QRectF(left, INT_MIN / 2 + y, right - left, INT_MAX);
	333	const QRectF text_rect = p.boundingRect(bounding_rect,
	334	Qt::AlignCenter, message);
	335	const float r = text_rect.height() / 4;
	336
	337	p.drawRoundedRect(text_rect.adjusted(-r, -r, r, r), r, r,
	338	Qt::AbsoluteSize);
	339
	340	p.setPen(get_text_colour());
	341	p.drawText(text_rect, message);
	342	}
	343
5dfeb70f JH	344	void DecodeTrace::draw_unresolved_period(QPainter &p, int h, int left,
	345	int right, double samples_per_pixel, double pixels_offset)
	346	{
	347	using namespace pv::data;
	348	using pv::data::decode::Decoder;
	349
	350	assert(_decoder_stack);
	351
	352	shared_ptr<Logic> data;
	353	shared_ptr<LogicSignal> logic_signal;
	354
	355	const list< shared_ptr<Decoder> > &stack = _decoder_stack->stack();
	356
	357	// We get the logic data of the first probe in the list.
	358	// This works because we are currently assuming all
	359	// LogicSignals have the same data/snapshot
	360	BOOST_FOREACH (const shared_ptr<Decoder> &dec, stack)
	361	if (dec && !dec->probes().empty() &&
	362	((logic_signal = (*dec->probes().begin()).second)) &&
7aa09b00	363	((data = logic_signal->logic_data())))
5dfeb70f JH	364	break;
	365
	366	if (!data \|\| data->get_snapshots().empty())
	367	return;
	368
	369	const shared_ptr<LogicSnapshot> snapshot =
	370	data->get_snapshots().front();
	371	assert(snapshot);
	372	const int64_t sample_count = (int64_t)snapshot->get_sample_count();
	373	if (sample_count == 0)
	374	return;
	375
	376	const int64_t samples_decoded = _decoder_stack->samples_decoded();
	377	if (sample_count == samples_decoded)
	378	return;
	379
	380	const int y = get_y();
	381	const double start = max(samples_decoded /
	382	samples_per_pixel - pixels_offset, left - 1.0);
	383	const double end = min(sample_count / samples_per_pixel -
	384	pixels_offset, right + 1.0);
	385	const QRectF no_decode_rect(start, y - h/2 + 0.5, end - start, h);
	386
	387	p.setPen(QPen(Qt::NoPen));
	388	p.setBrush(Qt::white);
	389	p.drawRect(no_decode_rect);
	390
	391	p.setPen(NoDecodeColour);
	392	p.setBrush(QBrush(NoDecodeColour, Qt::Dense6Pattern));
	393	p.drawRect(no_decode_rect);
	394	}
	395
613d097c JH	396	void DecodeTrace::create_decoder_form(int index,
	397	shared_ptr<data::decode::Decoder> &dec, QWidget *parent,
	398	QFormLayout *form)
7491a29f JH	399	{
	400	const GSList *probe;
	401
	402	assert(dec);
	403	const srd_decoder *const decoder = dec->decoder();
	404	assert(decoder);
	405
204bae45	406	pv::widgets::DecoderGroupBox *const group =
27e8df22 JH	407	new pv::widgets::DecoderGroupBox(
27e8df22 JH	408	QString::fromUtf8(decoder->name));
613d097c JH	409
	410	_delete_mapper.setMapping(group, index);
	411	connect(group, SIGNAL(delete_decoder()), &_delete_mapper, SLOT(map()));
	412
204bae45 JH	413	QFormLayout *const decoder_form = new QFormLayout;
204bae45 JH	414	group->add_layout(decoder_form);
7491a29f JH	415
	416	// Add the mandatory probes
	417	for(probe = decoder->probes; probe; probe = probe->next) {
	418	const struct srd_probe *const p =
	419	(struct srd_probe *)probe->data;
	420	QComboBox *const combo = create_probe_selector(parent, dec, p);
	421	connect(combo, SIGNAL(currentIndexChanged(int)),
	422	this, SLOT(on_probe_selected(int)));
204bae45	423	decoder_form->addRow(tr("<b>%1</b> (%2) *")
7491a29f JH	424	.arg(p->name).arg(p->desc), combo);
	425
	426	const ProbeSelector s = {combo, dec, p};
	427	_probe_selectors.push_back(s);
	428	}
	429
	430	// Add the optional probes
	431	for(probe = decoder->opt_probes; probe; probe = probe->next) {
	432	const struct srd_probe *const p =
	433	(struct srd_probe *)probe->data;
	434	QComboBox *const combo = create_probe_selector(parent, dec, p);
	435	connect(combo, SIGNAL(currentIndexChanged(int)),
	436	this, SLOT(on_probe_selected(int)));
204bae45	437	decoder_form->addRow(tr("<b>%1</b> (%2)")
7491a29f JH	438	.arg(p->name).arg(p->desc), combo);
	439
	440	const ProbeSelector s = {combo, dec, p};
	441	_probe_selectors.push_back(s);
	442	}
	443
	444	// Add the options
	445	shared_ptr<prop::binding::DecoderOptions> binding(
	446	new prop::binding::DecoderOptions(_decoder_stack, dec));
204bae45	447	binding->add_properties_to_form(decoder_form, true);
7491a29f JH	448
7491a29f JH	449	_bindings.push_back(binding);
204bae45 JH	450
204bae45 JH	451	form->addRow(group);
7491a29f JH	452	}
7491a29f JH	453
b9329558	454	QComboBox* DecodeTrace::create_probe_selector(
7491a29f JH	455	QWidget *parent, const shared_ptr<data::decode::Decoder> &dec,
7491a29f JH	456	const srd_probe *const probe)
4e5a4405	457	{
7491a29f JH	458	assert(dec);
7491a29f JH	459
4e5a4405 JH	460	const vector< shared_ptr<Signal> > sigs = _session.get_signals();
4e5a4405 JH	461
6e89374a	462	assert(_decoder_stack);
4e5a4405 JH	463	const map<const srd_probe*,
4e5a4405 JH	464	shared_ptr<LogicSignal> >::const_iterator probe_iter =
7491a29f	465	dec->probes().find(probe);
4e5a4405 JH	466
	467	QComboBox *selector = new QComboBox(parent);
	468
	469	selector->addItem("-", qVariantFromValue((void*)NULL));
	470
7491a29f	471	if (probe_iter == dec->probes().end())
4e5a4405 JH	472	selector->setCurrentIndex(0);
	473
	474	for(size_t i = 0; i < sigs.size(); i++) {
	475	const shared_ptr<view::Signal> s(sigs[i]);
	476	assert(s);
	477
	478	if (dynamic_pointer_cast<LogicSignal>(s) && s->enabled())
	479	{
	480	selector->addItem(s->get_name(),
	481	qVariantFromValue((void*)s.get()));
	482	if ((*probe_iter).second == s)
	483	selector->setCurrentIndex(i + 1);
	484	}
	485	}
	486
	487	return selector;
	488	}
	489
7491a29f	490	void DecodeTrace::commit_decoder_probes(shared_ptr<data::decode::Decoder> &dec)
4e5a4405	491	{
7491a29f	492	assert(dec);
4e5a4405 JH	493
	494	map<const srd_probe*, shared_ptr<LogicSignal> > probe_map;
	495	const vector< shared_ptr<Signal> > sigs = _session.get_signals();
	496
7491a29f	497	BOOST_FOREACH(const ProbeSelector &s, _probe_selectors)
4e5a4405	498	{
7491a29f JH	499	if(s._decoder != dec)
	500	break;
	501
4e5a4405	502	const LogicSignal *const selection =
7491a29f JH	503	(LogicSignal*)s._combo->itemData(
7491a29f JH	504	s._combo->currentIndex()).value<void*>();
4e5a4405	505
7491a29f JH	506	BOOST_FOREACH(shared_ptr<Signal> sig, sigs)
	507	if(sig.get() == selection) {
	508	probe_map[s._probe] =
	509	dynamic_pointer_cast<LogicSignal>(sig);
4e5a4405 JH	510	break;
	511	}
	512	}
	513
7491a29f JH	514	dec->set_probes(probe_map);
	515	}
	516
	517	void DecodeTrace::commit_probes()
	518	{
	519	assert(_decoder_stack);
	520	BOOST_FOREACH(shared_ptr<data::decode::Decoder> dec,
	521	_decoder_stack->stack())
	522	commit_decoder_probes(dec);
	523
	524	_decoder_stack->begin_decode();
4e5a4405 JH	525	}
4e5a4405 JH	526
b9329558	527	void DecodeTrace::on_new_decode_data()
9cef9567 JH	528	{
	529	if (_view)
	530	_view->update_viewport();
	531	}
	532
b9329558	533	void DecodeTrace::delete_pressed()
5ed1adf5 JH	534	{
	535	on_delete();
	536	}
	537
b9329558	538	void DecodeTrace::on_delete()
c51482b3 JH	539	{
	540	_session.remove_decode_signal(this);
	541	}
	542
b9329558	543	void DecodeTrace::on_probe_selected(int)
4e5a4405 JH	544	{
	545	commit_probes();
	546	}
	547
7491a29f JH	548	void DecodeTrace::on_stack_decoder(srd_decoder *decoder)
	549	{
	550	assert(decoder);
	551	assert(_decoder_stack);
	552	_decoder_stack->push(shared_ptr<data::decode::Decoder>(
	553	new data::decode::Decoder(decoder)));
	554	_decoder_stack->begin_decode();
37fd11b1 JH	555
37fd11b1 JH	556	create_popup_form();
7491a29f JH	557	}
7491a29f JH	558
613d097c JH	559	void DecodeTrace::on_delete_decoder(int index)
	560	{
	561	_decoder_stack->remove(index);
	562
	563	// Update the popup
	564	create_popup_form();
	565
	566	_decoder_stack->begin_decode();
	567	}
	568
55d3603d JH	569	} // namespace view
55d3603d JH	570	} // namespace pv