[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 boost::dynamic_pointer_cast;
using boost::shared_ptr;
using std::list;
using std::max;
using std::map;
using std::min;
using std::vector;

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
819f4c25 JH	50	using boost::dynamic_pointer_cast;
	51	using boost::shared_ptr;
	52	using std::list;
	53	using std::max;
	54	using std::map;
	55	using std::min;
	56	using std::vector;
55d3603d JH	57
	58	namespace pv {
	59	namespace view {
	60
b9329558	61	const QColor DecodeTrace::DecodeColours[4] = {
06bb4e6a JH	62	QColor(0xEF, 0x29, 0x29), // Red
	63	QColor(0xFC, 0xE9, 0x4F), // Yellow
	64	QColor(0x8A, 0xE2, 0x34), // Green
	65	QColor(0x72, 0x9F, 0xCF) // Blue
	66	};
	67
b9329558	68	const QColor DecodeTrace::ErrorBgColour = QColor(0xEF, 0x29, 0x29);
5dfeb70f	69	const QColor DecodeTrace::NoDecodeColour = QColor(0x88, 0x8A, 0x85);
ad50ac1a	70
06e810f2 JH	71	const double DecodeTrace::EndCapWidth = 5;
	72	const int DecodeTrace::DrawPadding = 100;
	73
	74	const QColor DecodeTrace::Colours[7] = {
	75	QColor(0xFC, 0xE9, 0x4F), // Light Butter
	76	QColor(0xFC, 0xAF, 0x3E), // Light Orange
	77	QColor(0xE9, 0xB9, 0x6E), // Light Chocolate
	78	QColor(0x8A, 0xE2, 0x34), // Light Green
	79	QColor(0x72, 0x9F, 0xCF), // Light Blue
	80	QColor(0xAD, 0x7F, 0xA8), // Light Plum
	81	QColor(0xEF, 0x29, 0x29) // Light Red
	82	};
	83
b9329558	84	DecodeTrace::DecodeTrace(pv::SigSession &session,
6e89374a	85	boost::shared_ptr<pv::data::DecoderStack> decoder_stack, int index) :
27e8df22 JH	86	Trace(session, QString::fromUtf8(
27e8df22 JH	87	decoder_stack->stack().front()->decoder()->name)),
613d097c JH	88	_decoder_stack(decoder_stack),
613d097c JH	89	_delete_mapper(this)
55d3603d	90	{
6e89374a	91	assert(_decoder_stack);
e0fc5810	92
06bb4e6a	93	_colour = DecodeColours[index % countof(DecodeColours)];
9cef9567	94
6e89374a	95	connect(_decoder_stack.get(), SIGNAL(new_decode_data()),
9cef9567	96	this, SLOT(on_new_decode_data()));
613d097c JH	97	connect(&_delete_mapper, SIGNAL(mapped(int)),
613d097c JH	98	this, SLOT(on_delete_decoder(int)));
55d3603d JH	99	}
55d3603d JH	100
b9329558	101	bool DecodeTrace::enabled() const
55d3603d JH	102	{
	103	return true;
	104	}
	105
6e89374a	106	const boost::shared_ptr<pv::data::DecoderStack>& DecodeTrace::decoder() const
b6b267bb	107	{
6e89374a	108	return _decoder_stack;
b6b267bb JH	109	}
b6b267bb JH	110
b9329558	111	void DecodeTrace::set_view(pv::view::View *view)
e0fc5810 JH	112	{
	113	assert(view);
	114	Trace::set_view(view);
	115	}
	116
b9329558	117	void DecodeTrace::paint_back(QPainter &p, int left, int right)
fe08b6e8	118	{
5dfeb70f	119	Trace::paint_back(p, left, right);
fe08b6e8 JH	120	paint_axis(p, get_y(), left, right);
	121	}
	122
b9329558	123	void DecodeTrace::paint_mid(QPainter &p, int left, int right)
55d3603d	124	{
06e810f2	125	using pv::data::decode::Annotation;
9472f447	126
9472f447 JH	127	const double scale = _view->scale();
	128	assert(scale > 0);
	129
9d28da5a	130	double samplerate = _decoder_stack->samplerate();
9472f447 JH	131
	132	// Show sample rate as 1Hz when it is unknown
	133	if (samplerate == 0.0)
	134	samplerate = 1.0;
	135
	136	const double pixels_offset = (_view->offset() -
6e89374a	137	_decoder_stack->get_start_time()) / scale;
9472f447 JH	138	const double samples_per_pixel = samplerate * scale;
9472f447 JH	139
d7c0ca4a JH	140	QFontMetrics m(QApplication::font());
d7c0ca4a JH	141	const int h = (m.boundingRect(QRect(), 0, "Tg").height() * 5) / 4;
5dfeb70f JH	142
	143	assert(_decoder_stack);
	144	const QString err = _decoder_stack->error_message();
	145	if (!err.isEmpty())
	146	{
	147	draw_error(p, err, left, right);
	148	draw_unresolved_period(p, h, left, right, samples_per_pixel,
	149	pixels_offset);
	150	return;
	151	}
	152
	153	assert(_view);
	154	const int y = get_y();
	155
6e89374a	156	assert(_decoder_stack);
db62bbfd JH	157	vector<Annotation> annotations(_decoder_stack->annotations());
db62bbfd JH	158	BOOST_FOREACH(const Annotation &a, annotations)
06e810f2	159	draw_annotation(a, p, get_text_colour(), h, left, right,
5dfeb70f	160	samples_per_pixel, pixels_offset, y);
5dfeb70f JH	161
	162	draw_unresolved_period(p, h, left, right,
	163	samples_per_pixel, pixels_offset);
55d3603d JH	164	}
55d3603d JH	165
b9329558	166	void DecodeTrace::populate_popup_form(QWidget parent, QFormLayout form)
4e5a4405	167	{
613d097c JH	168	using pv::data::decode::Decoder;
613d097c JH	169
4e5a4405 JH	170	assert(form);
4e5a4405 JH	171	assert(parent);
6e89374a	172	assert(_decoder_stack);
4e5a4405	173
7491a29f	174	// Add the standard options
4e5a4405 JH	175	Trace::populate_popup_form(parent, form);
4e5a4405 JH	176
7491a29f JH	177	// Add the decoder options
	178	_bindings.clear();
	179	_probe_selectors.clear();
4e5a4405	180
613d097c	181	const list< shared_ptr<Decoder> >& stack = _decoder_stack->stack();
4e5a4405	182
5069084a JH	183	if (stack.empty())
	184	{
	185	QLabel *const l = new QLabel(
	186	tr("<p><i>No decoders in the stack</i></p>"));
	187	l->setAlignment(Qt::AlignCenter);
	188	form->addRow(l);
	189	}
	190	else
	191	{
	192	list< shared_ptr<Decoder> >::const_iterator iter =
	193	stack.begin();
	194	for (int i = 0; i < (int)stack.size(); i++, iter++) {
	195	shared_ptr<Decoder> dec(*iter);
	196	create_decoder_form(i, dec, parent, form);
	197	}
	198
	199	form->addRow(new QLabel(
	200	tr("<i>* Required Probes</i>"), parent));
	201	}
4e5a4405	202
ce94e4fd	203	// Add stacking button
ce94e4fd JH	204	pv::widgets::DecoderMenu *const decoder_menu =
ce94e4fd JH	205	new pv::widgets::DecoderMenu(parent);
7491a29f JH	206	connect(decoder_menu, SIGNAL(decoder_selected(srd_decoder*)),
	207	this, SLOT(on_stack_decoder(srd_decoder*)));
	208
	209	QPushButton *const stack_button =
	210	new QPushButton(tr("Stack Decoder"), parent);
ce94e4fd JH	211	stack_button->setMenu(decoder_menu);
	212
	213	QHBoxLayout *stack_button_box = new QHBoxLayout;
	214	stack_button_box->addWidget(stack_button, 0, Qt::AlignRight);
	215	form->addRow(stack_button_box);
4e5a4405 JH	216	}
4e5a4405 JH	217
b9329558	218	QMenu* DecodeTrace::create_context_menu(QWidget *parent)
c51482b3 JH	219	{
	220	QMenu *const menu = Trace::create_context_menu(parent);
	221
	222	menu->addSeparator();
	223
	224	QAction *const del = new QAction(tr("Delete"), this);
a2d21018	225	del->setShortcuts(QKeySequence::Delete);
c51482b3 JH	226	connect(del, SIGNAL(triggered()), this, SLOT(on_delete()));
	227	menu->addAction(del);
	228
	229	return menu;
	230	}
	231
06e810f2 JH	232	void DecodeTrace::draw_annotation(const pv::data::decode::Annotation &a, QPainter &p,
	233	QColor text_color, int h, int left, int right, double samples_per_pixel,
	234	double pixels_offset, int y) const
	235	{
	236	const double start = a.start_sample() / samples_per_pixel -
	237	pixels_offset;
	238	const double end = a.end_sample() / samples_per_pixel -
	239	pixels_offset;
	240	const QColor fill = Colours[(a.format() * (countof(Colours) / 2 + 1)) %
	241	countof(Colours)];
	242	const QColor outline(fill.darker());
	243
	244	if (start > right + DrawPadding \|\| end < left - DrawPadding)
	245	return;
	246
	247	if (a.start_sample() == a.end_sample())
	248	draw_instant(a, p, fill, outline, text_color, h,
	249	start, y);
	250	else
	251	draw_range(a, p, fill, outline, text_color, h,
	252	start, end, y);
	253	}
	254
	255	void DecodeTrace::draw_instant(const pv::data::decode::Annotation &a, QPainter &p,
	256	QColor fill, QColor outline, QColor text_color, int h, double x, int y) const
	257	{
	258	const QString text = a.annotations().empty() ?
	259	QString() : a.annotations().back();
	260	const double w = min(p.boundingRect(QRectF(), 0, text).width(),
	261	0.0) + h;
	262	const QRectF rect(x - w / 2, y - h / 2, w, h);
	263
	264	p.setPen(outline);
	265	p.setBrush(fill);
	266	p.drawRoundedRect(rect, h / 2, h / 2);
	267
	268	p.setPen(text_color);
	269	p.drawText(rect, Qt::AlignCenter \| Qt::AlignVCenter, text);
	270	}
	271
	272	void DecodeTrace::draw_range(const pv::data::decode::Annotation &a, QPainter &p,
	273	QColor fill, QColor outline, QColor text_color, int h, double start,
	274	double end, int y) const
	275	{
	276	const double top = y + .5 - h / 2;
	277	const double bottom = y + .5 + h / 2;
	278	const vector<QString> annotations = a.annotations();
	279
	280	p.setPen(outline);
	281	p.setBrush(fill);
	282
	283	// If the two ends are within 1 pixel, draw a vertical line
	284	if (start + 1.0 > end)
	285	{
	286	p.drawLine(QPointF(start, top), QPointF(start, bottom));
	287	return;
	288	}
	289
	290	const double cap_width = min((end - start) / 4, EndCapWidth);
	291
	292	QPointF pts[] = {
	293	QPointF(start, y + .5f),
	294	QPointF(start + cap_width, top),
	295	QPointF(end - cap_width, top),
296	QPointF(end, y + .5f),
297	QPointF(end - cap_width, bottom),
298	QPointF(start + cap_width, bottom)
299	};
300
301	p.drawConvexPolygon(pts, countof(pts));
302
303	if (annotations.empty())
304	return;
305
306	QRectF rect(start + cap_width, y - h / 2,
307	end - start - cap_width * 2, h);
308	p.setPen(text_color);
309
310	// Try to find an annotation that will fit
311	QString best_annotation;
312	int best_width = 0;
313
314	BOOST_FOREACH(const QString &a, annotations) {
315	const int w = p.boundingRect(QRectF(), 0, a).width();
316	if (w <= rect.width() && w > best_width)
317	best_annotation = a, best_width = w;
318	}
319
320	if (best_annotation.isEmpty())
321	best_annotation = annotations.back();
322
323	// If not ellide the last in the list
324	p.drawText(rect, Qt::AlignCenter, p.fontMetrics().elidedText(
325	best_annotation, Qt::ElideRight, rect.width()));
326	}
327
b9329558	328	void DecodeTrace::draw_error(QPainter &p, const QString &message,
ad50ac1a JH	329	int left, int right)
	330	{
	331	const int y = get_y();
	332
	333	p.setPen(ErrorBgColour.darker());
	334	p.setBrush(ErrorBgColour);
	335
	336	const QRectF bounding_rect =
	337	QRectF(left, INT_MIN / 2 + y, right - left, INT_MAX);
	338	const QRectF text_rect = p.boundingRect(bounding_rect,
	339	Qt::AlignCenter, message);
	340	const float r = text_rect.height() / 4;
	341
	342	p.drawRoundedRect(text_rect.adjusted(-r, -r, r, r), r, r,
	343	Qt::AbsoluteSize);
	344
	345	p.setPen(get_text_colour());
	346	p.drawText(text_rect, message);
	347	}
	348
5dfeb70f JH	349	void DecodeTrace::draw_unresolved_period(QPainter &p, int h, int left,
	350	int right, double samples_per_pixel, double pixels_offset)
	351	{
	352	using namespace pv::data;
	353	using pv::data::decode::Decoder;
	354
	355	assert(_decoder_stack);
	356
	357	shared_ptr<Logic> data;
	358	shared_ptr<LogicSignal> logic_signal;
	359
	360	const list< shared_ptr<Decoder> > &stack = _decoder_stack->stack();
	361
	362	// We get the logic data of the first probe in the list.
	363	// This works because we are currently assuming all
	364	// LogicSignals have the same data/snapshot
	365	BOOST_FOREACH (const shared_ptr<Decoder> &dec, stack)
	366	if (dec && !dec->probes().empty() &&
	367	((logic_signal = (*dec->probes().begin()).second)) &&
7aa09b00	368	((data = logic_signal->logic_data())))
5dfeb70f JH	369	break;
	370
	371	if (!data \|\| data->get_snapshots().empty())
	372	return;
	373
	374	const shared_ptr<LogicSnapshot> snapshot =
	375	data->get_snapshots().front();
	376	assert(snapshot);
	377	const int64_t sample_count = (int64_t)snapshot->get_sample_count();
	378	if (sample_count == 0)
	379	return;
	380
	381	const int64_t samples_decoded = _decoder_stack->samples_decoded();
	382	if (sample_count == samples_decoded)
	383	return;
	384
	385	const int y = get_y();
	386	const double start = max(samples_decoded /
	387	samples_per_pixel - pixels_offset, left - 1.0);
	388	const double end = min(sample_count / samples_per_pixel -
	389	pixels_offset, right + 1.0);
	390	const QRectF no_decode_rect(start, y - h/2 + 0.5, end - start, h);
	391
	392	p.setPen(QPen(Qt::NoPen));
	393	p.setBrush(Qt::white);
	394	p.drawRect(no_decode_rect);
	395
	396	p.setPen(NoDecodeColour);
	397	p.setBrush(QBrush(NoDecodeColour, Qt::Dense6Pattern));
	398	p.drawRect(no_decode_rect);
	399	}
	400
613d097c JH	401	void DecodeTrace::create_decoder_form(int index,
	402	shared_ptr<data::decode::Decoder> &dec, QWidget *parent,
	403	QFormLayout *form)
7491a29f JH	404	{
	405	const GSList *probe;
	406
	407	assert(dec);
	408	const srd_decoder *const decoder = dec->decoder();
	409	assert(decoder);
	410
204bae45	411	pv::widgets::DecoderGroupBox *const group =
27e8df22 JH	412	new pv::widgets::DecoderGroupBox(
27e8df22 JH	413	QString::fromUtf8(decoder->name));
613d097c JH	414
	415	_delete_mapper.setMapping(group, index);
	416	connect(group, SIGNAL(delete_decoder()), &_delete_mapper, SLOT(map()));
	417
204bae45 JH	418	QFormLayout *const decoder_form = new QFormLayout;
204bae45 JH	419	group->add_layout(decoder_form);
7491a29f JH	420
	421	// Add the mandatory probes
	422	for(probe = decoder->probes; probe; probe = probe->next) {
	423	const struct srd_probe *const p =
	424	(struct srd_probe *)probe->data;
	425	QComboBox *const combo = create_probe_selector(parent, dec, p);
	426	connect(combo, SIGNAL(currentIndexChanged(int)),
	427	this, SLOT(on_probe_selected(int)));
204bae45	428	decoder_form->addRow(tr("<b>%1</b> (%2) *")
7491a29f JH	429	.arg(p->name).arg(p->desc), combo);
	430
	431	const ProbeSelector s = {combo, dec, p};
	432	_probe_selectors.push_back(s);
	433	}
	434
	435	// Add the optional probes
	436	for(probe = decoder->opt_probes; probe; probe = probe->next) {
	437	const struct srd_probe *const p =
	438	(struct srd_probe *)probe->data;
	439	QComboBox *const combo = create_probe_selector(parent, dec, p);
	440	connect(combo, SIGNAL(currentIndexChanged(int)),
	441	this, SLOT(on_probe_selected(int)));
204bae45	442	decoder_form->addRow(tr("<b>%1</b> (%2)")
7491a29f JH	443	.arg(p->name).arg(p->desc), combo);
	444
	445	const ProbeSelector s = {combo, dec, p};
	446	_probe_selectors.push_back(s);
	447	}
	448
	449	// Add the options
	450	shared_ptr<prop::binding::DecoderOptions> binding(
	451	new prop::binding::DecoderOptions(_decoder_stack, dec));
204bae45	452	binding->add_properties_to_form(decoder_form, true);
7491a29f JH	453
7491a29f JH	454	_bindings.push_back(binding);
204bae45 JH	455
204bae45 JH	456	form->addRow(group);
7491a29f JH	457	}
7491a29f JH	458
b9329558	459	QComboBox* DecodeTrace::create_probe_selector(
7491a29f JH	460	QWidget *parent, const shared_ptr<data::decode::Decoder> &dec,
7491a29f JH	461	const srd_probe *const probe)
4e5a4405	462	{
7491a29f JH	463	assert(dec);
7491a29f JH	464
4e5a4405 JH	465	const vector< shared_ptr<Signal> > sigs = _session.get_signals();
4e5a4405 JH	466
6e89374a	467	assert(_decoder_stack);
4e5a4405 JH	468	const map<const srd_probe*,
4e5a4405 JH	469	shared_ptr<LogicSignal> >::const_iterator probe_iter =
7491a29f	470	dec->probes().find(probe);
4e5a4405 JH	471
	472	QComboBox *selector = new QComboBox(parent);
	473
	474	selector->addItem("-", qVariantFromValue((void*)NULL));
	475
7491a29f	476	if (probe_iter == dec->probes().end())
4e5a4405 JH	477	selector->setCurrentIndex(0);
	478
	479	for(size_t i = 0; i < sigs.size(); i++) {
	480	const shared_ptr<view::Signal> s(sigs[i]);
	481	assert(s);
	482
	483	if (dynamic_pointer_cast<LogicSignal>(s) && s->enabled())
	484	{
	485	selector->addItem(s->get_name(),
	486	qVariantFromValue((void*)s.get()));
	487	if ((*probe_iter).second == s)
	488	selector->setCurrentIndex(i + 1);
	489	}
	490	}
	491
	492	return selector;
	493	}
	494
7491a29f	495	void DecodeTrace::commit_decoder_probes(shared_ptr<data::decode::Decoder> &dec)
4e5a4405	496	{
7491a29f	497	assert(dec);
4e5a4405 JH	498
	499	map<const srd_probe*, shared_ptr<LogicSignal> > probe_map;
	500	const vector< shared_ptr<Signal> > sigs = _session.get_signals();
	501
7491a29f	502	BOOST_FOREACH(const ProbeSelector &s, _probe_selectors)
4e5a4405	503	{
7491a29f JH	504	if(s._decoder != dec)
	505	break;
	506
4e5a4405	507	const LogicSignal *const selection =
7491a29f JH	508	(LogicSignal*)s._combo->itemData(
7491a29f JH	509	s._combo->currentIndex()).value<void*>();
4e5a4405	510
7491a29f JH	511	BOOST_FOREACH(shared_ptr<Signal> sig, sigs)
	512	if(sig.get() == selection) {
	513	probe_map[s._probe] =
	514	dynamic_pointer_cast<LogicSignal>(sig);
4e5a4405 JH	515	break;
	516	}
	517	}
	518
7491a29f JH	519	dec->set_probes(probe_map);
	520	}
	521
	522	void DecodeTrace::commit_probes()
	523	{
	524	assert(_decoder_stack);
	525	BOOST_FOREACH(shared_ptr<data::decode::Decoder> dec,
	526	_decoder_stack->stack())
	527	commit_decoder_probes(dec);
	528
	529	_decoder_stack->begin_decode();
4e5a4405 JH	530	}
4e5a4405 JH	531
b9329558	532	void DecodeTrace::on_new_decode_data()
9cef9567 JH	533	{
	534	if (_view)
	535	_view->update_viewport();
	536	}
	537
b9329558	538	void DecodeTrace::delete_pressed()
5ed1adf5 JH	539	{
	540	on_delete();
	541	}
	542
b9329558	543	void DecodeTrace::on_delete()
c51482b3 JH	544	{
	545	_session.remove_decode_signal(this);
	546	}
	547
b9329558	548	void DecodeTrace::on_probe_selected(int)
4e5a4405 JH	549	{
	550	commit_probes();
	551	}
	552
7491a29f JH	553	void DecodeTrace::on_stack_decoder(srd_decoder *decoder)
	554	{
	555	assert(decoder);
	556	assert(_decoder_stack);
	557	_decoder_stack->push(shared_ptr<data::decode::Decoder>(
	558	new data::decode::Decoder(decoder)));
	559	_decoder_stack->begin_decode();
37fd11b1 JH	560
37fd11b1 JH	561	create_popup_form();
7491a29f JH	562	}
7491a29f JH	563
613d097c JH	564	void DecodeTrace::on_delete_decoder(int index)
	565	{
	566	_decoder_stack->remove(index);
	567
	568	// Update the popup
	569	create_popup_form();
	570
	571	_decoder_stack->begin_decode();
	572	}
	573
55d3603d JH	574	} // namespace view
55d3603d JH	575	} // namespace pv