[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/view/logicsignal.h>
#include <pv/view/view.h>
#include <pv/view/decode/annotation.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);

DecodeTrace::DecodeTrace(pv::SigSession &session,
	boost::shared_ptr<pv::data::DecoderStack> decoder_stack, int index) :
	Trace(session, QString(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 namespace pv::view::decode;

	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< shared_ptr<Annotation> > annotations(_decoder_stack->annotations());
	BOOST_FOREACH(shared_ptr<Annotation> a, annotations) {
		assert(a);
		a->paint(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_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(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>
4e5a4405	44	#include <pv/view/logicsignal.h>
e0fc5810	45	#include <pv/view/view.h>
9472f447	46	#include <pv/view/decode/annotation.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
b9329558	66	DecodeTrace::DecodeTrace(pv::SigSession &session,
6e89374a	67	boost::shared_ptr<pv::data::DecoderStack> decoder_stack, int index) :
7491a29f	68	Trace(session, QString(decoder_stack->stack().front()->decoder()->name)),
613d097c JH	69	_decoder_stack(decoder_stack),
613d097c JH	70	_delete_mapper(this)
55d3603d	71	{
6e89374a	72	assert(_decoder_stack);
e0fc5810	73
06bb4e6a	74	_colour = DecodeColours[index % countof(DecodeColours)];
9cef9567	75
6e89374a	76	connect(_decoder_stack.get(), SIGNAL(new_decode_data()),
9cef9567	77	this, SLOT(on_new_decode_data()));
613d097c JH	78	connect(&_delete_mapper, SIGNAL(mapped(int)),
613d097c JH	79	this, SLOT(on_delete_decoder(int)));
55d3603d JH	80	}
55d3603d JH	81
b9329558	82	bool DecodeTrace::enabled() const
55d3603d JH	83	{
	84	return true;
	85	}
	86
6e89374a	87	const boost::shared_ptr<pv::data::DecoderStack>& DecodeTrace::decoder() const
b6b267bb	88	{
6e89374a	89	return _decoder_stack;
b6b267bb JH	90	}
b6b267bb JH	91
b9329558	92	void DecodeTrace::set_view(pv::view::View *view)
e0fc5810 JH	93	{
	94	assert(view);
	95	Trace::set_view(view);
	96	}
	97
b9329558	98	void DecodeTrace::paint_back(QPainter &p, int left, int right)
fe08b6e8	99	{
5dfeb70f	100	Trace::paint_back(p, left, right);
fe08b6e8 JH	101	paint_axis(p, get_y(), left, right);
	102	}
	103
b9329558	104	void DecodeTrace::paint_mid(QPainter &p, int left, int right)
55d3603d	105	{
9472f447 JH	106	using namespace pv::view::decode;
9472f447 JH	107
9472f447 JH	108	const double scale = _view->scale();
	109	assert(scale > 0);
	110
9d28da5a	111	double samplerate = _decoder_stack->samplerate();
9472f447 JH	112
	113	// Show sample rate as 1Hz when it is unknown
	114	if (samplerate == 0.0)
	115	samplerate = 1.0;
	116
	117	const double pixels_offset = (_view->offset() -
6e89374a	118	_decoder_stack->get_start_time()) / scale;
9472f447 JH	119	const double samples_per_pixel = samplerate * scale;
9472f447 JH	120
d7c0ca4a JH	121	QFontMetrics m(QApplication::font());
d7c0ca4a JH	122	const int h = (m.boundingRect(QRect(), 0, "Tg").height() * 5) / 4;
5dfeb70f JH	123
	124	assert(_decoder_stack);
	125	const QString err = _decoder_stack->error_message();
	126	if (!err.isEmpty())
	127	{
	128	draw_error(p, err, left, right);
	129	draw_unresolved_period(p, h, left, right, samples_per_pixel,
	130	pixels_offset);
	131	return;
	132	}
	133
	134	assert(_view);
	135	const int y = get_y();
	136
6e89374a JH	137	assert(_decoder_stack);
6e89374a JH	138	vector< shared_ptr<Annotation> > annotations(_decoder_stack->annotations());
9472f447 JH	139	BOOST_FOREACH(shared_ptr<Annotation> a, annotations) {
9472f447 JH	140	assert(a);
5dfeb70f JH	141	a->paint(p, get_text_colour(), h, left, right,
5dfeb70f JH	142	samples_per_pixel, pixels_offset, y);
9472f447	143	}
5dfeb70f JH	144
	145	draw_unresolved_period(p, h, left, right,
	146	samples_per_pixel, pixels_offset);
55d3603d JH	147	}
55d3603d JH	148
b9329558	149	void DecodeTrace::populate_popup_form(QWidget parent, QFormLayout form)
4e5a4405	150	{
613d097c JH	151	using pv::data::decode::Decoder;
613d097c JH	152
4e5a4405 JH	153	assert(form);
4e5a4405 JH	154	assert(parent);
6e89374a	155	assert(_decoder_stack);
4e5a4405	156
7491a29f	157	// Add the standard options
4e5a4405 JH	158	Trace::populate_popup_form(parent, form);
4e5a4405 JH	159
7491a29f JH	160	// Add the decoder options
	161	_bindings.clear();
	162	_probe_selectors.clear();
4e5a4405	163
613d097c	164	const list< shared_ptr<Decoder> >& stack = _decoder_stack->stack();
4e5a4405	165
5069084a JH	166	if (stack.empty())
	167	{
	168	QLabel *const l = new QLabel(
	169	tr("<p><i>No decoders in the stack</i></p>"));
	170	l->setAlignment(Qt::AlignCenter);
	171	form->addRow(l);
	172	}
	173	else
	174	{
	175	list< shared_ptr<Decoder> >::const_iterator iter =
	176	stack.begin();
	177	for (int i = 0; i < (int)stack.size(); i++, iter++) {
	178	shared_ptr<Decoder> dec(*iter);
	179	create_decoder_form(i, dec, parent, form);
	180	}
	181
	182	form->addRow(new QLabel(
	183	tr("<i>* Required Probes</i>"), parent));
	184	}
4e5a4405	185
ce94e4fd	186	// Add stacking button
ce94e4fd JH	187	pv::widgets::DecoderMenu *const decoder_menu =
ce94e4fd JH	188	new pv::widgets::DecoderMenu(parent);
7491a29f JH	189	connect(decoder_menu, SIGNAL(decoder_selected(srd_decoder*)),
	190	this, SLOT(on_stack_decoder(srd_decoder*)));
	191
	192	QPushButton *const stack_button =
	193	new QPushButton(tr("Stack Decoder"), parent);
ce94e4fd JH	194	stack_button->setMenu(decoder_menu);
	195
	196	QHBoxLayout *stack_button_box = new QHBoxLayout;
	197	stack_button_box->addWidget(stack_button, 0, Qt::AlignRight);
	198	form->addRow(stack_button_box);
4e5a4405 JH	199	}
4e5a4405 JH	200
b9329558	201	QMenu* DecodeTrace::create_context_menu(QWidget *parent)
c51482b3 JH	202	{
	203	QMenu *const menu = Trace::create_context_menu(parent);
	204
	205	menu->addSeparator();
	206
	207	QAction *const del = new QAction(tr("Delete"), this);
a2d21018	208	del->setShortcuts(QKeySequence::Delete);
c51482b3 JH	209	connect(del, SIGNAL(triggered()), this, SLOT(on_delete()));
	210	menu->addAction(del);
	211
	212	return menu;
	213	}
	214
b9329558	215	void DecodeTrace::draw_error(QPainter &p, const QString &message,
ad50ac1a JH	216	int left, int right)
	217	{
	218	const int y = get_y();
	219
	220	p.setPen(ErrorBgColour.darker());
	221	p.setBrush(ErrorBgColour);
	222
	223	const QRectF bounding_rect =
	224	QRectF(left, INT_MIN / 2 + y, right - left, INT_MAX);
	225	const QRectF text_rect = p.boundingRect(bounding_rect,
	226	Qt::AlignCenter, message);
	227	const float r = text_rect.height() / 4;
	228
	229	p.drawRoundedRect(text_rect.adjusted(-r, -r, r, r), r, r,
	230	Qt::AbsoluteSize);
	231
	232	p.setPen(get_text_colour());
	233	p.drawText(text_rect, message);
	234	}
	235
5dfeb70f JH	236	void DecodeTrace::draw_unresolved_period(QPainter &p, int h, int left,
	237	int right, double samples_per_pixel, double pixels_offset)
	238	{
	239	using namespace pv::data;
	240	using pv::data::decode::Decoder;
	241
	242	assert(_decoder_stack);
	243
	244	shared_ptr<Logic> data;
	245	shared_ptr<LogicSignal> logic_signal;
	246
	247	const list< shared_ptr<Decoder> > &stack = _decoder_stack->stack();
	248
	249	// We get the logic data of the first probe in the list.
	250	// This works because we are currently assuming all
	251	// LogicSignals have the same data/snapshot
	252	BOOST_FOREACH (const shared_ptr<Decoder> &dec, stack)
	253	if (dec && !dec->probes().empty() &&
	254	((logic_signal = (*dec->probes().begin()).second)) &&
7aa09b00	255	((data = logic_signal->logic_data())))
5dfeb70f JH	256	break;
	257
	258	if (!data \|\| data->get_snapshots().empty())
	259	return;
	260
	261	const shared_ptr<LogicSnapshot> snapshot =
	262	data->get_snapshots().front();
	263	assert(snapshot);
	264	const int64_t sample_count = (int64_t)snapshot->get_sample_count();
	265	if (sample_count == 0)
	266	return;
	267
	268	const int64_t samples_decoded = _decoder_stack->samples_decoded();
	269	if (sample_count == samples_decoded)
	270	return;
	271
	272	const int y = get_y();
	273	const double start = max(samples_decoded /
	274	samples_per_pixel - pixels_offset, left - 1.0);
	275	const double end = min(sample_count / samples_per_pixel -
	276	pixels_offset, right + 1.0);
	277	const QRectF no_decode_rect(start, y - h/2 + 0.5, end - start, h);
	278
	279	p.setPen(QPen(Qt::NoPen));
	280	p.setBrush(Qt::white);
	281	p.drawRect(no_decode_rect);
	282
	283	p.setPen(NoDecodeColour);
	284	p.setBrush(QBrush(NoDecodeColour, Qt::Dense6Pattern));
	285	p.drawRect(no_decode_rect);
	286	}
	287
613d097c JH	288	void DecodeTrace::create_decoder_form(int index,
	289	shared_ptr<data::decode::Decoder> &dec, QWidget *parent,
	290	QFormLayout *form)
7491a29f JH	291	{
	292	const GSList *probe;
	293
	294	assert(dec);
	295	const srd_decoder *const decoder = dec->decoder();
	296	assert(decoder);
	297
204bae45 JH	298	pv::widgets::DecoderGroupBox *const group =
204bae45 JH	299	new pv::widgets::DecoderGroupBox(decoder->name);
613d097c JH	300
	301	_delete_mapper.setMapping(group, index);
	302	connect(group, SIGNAL(delete_decoder()), &_delete_mapper, SLOT(map()));
	303
204bae45 JH	304	QFormLayout *const decoder_form = new QFormLayout;
204bae45 JH	305	group->add_layout(decoder_form);
7491a29f JH	306
	307	// Add the mandatory probes
	308	for(probe = decoder->probes; probe; probe = probe->next) {
	309	const struct srd_probe *const p =
	310	(struct srd_probe *)probe->data;
	311	QComboBox *const combo = create_probe_selector(parent, dec, p);
	312	connect(combo, SIGNAL(currentIndexChanged(int)),
	313	this, SLOT(on_probe_selected(int)));
204bae45	314	decoder_form->addRow(tr("<b>%1</b> (%2) *")
7491a29f JH	315	.arg(p->name).arg(p->desc), combo);
	316
	317	const ProbeSelector s = {combo, dec, p};
	318	_probe_selectors.push_back(s);
	319	}
	320
	321	// Add the optional probes
	322	for(probe = decoder->opt_probes; probe; probe = probe->next) {
	323	const struct srd_probe *const p =
	324	(struct srd_probe *)probe->data;
	325	QComboBox *const combo = create_probe_selector(parent, dec, p);
	326	connect(combo, SIGNAL(currentIndexChanged(int)),
	327	this, SLOT(on_probe_selected(int)));
204bae45	328	decoder_form->addRow(tr("<b>%1</b> (%2)")
7491a29f JH	329	.arg(p->name).arg(p->desc), combo);
	330
	331	const ProbeSelector s = {combo, dec, p};
	332	_probe_selectors.push_back(s);
	333	}
	334
	335	// Add the options
	336	shared_ptr<prop::binding::DecoderOptions> binding(
	337	new prop::binding::DecoderOptions(_decoder_stack, dec));
204bae45	338	binding->add_properties_to_form(decoder_form, true);
7491a29f JH	339
7491a29f JH	340	_bindings.push_back(binding);
204bae45 JH	341
204bae45 JH	342	form->addRow(group);
7491a29f JH	343	}
7491a29f JH	344
b9329558	345	QComboBox* DecodeTrace::create_probe_selector(
7491a29f JH	346	QWidget *parent, const shared_ptr<data::decode::Decoder> &dec,
7491a29f JH	347	const srd_probe *const probe)
4e5a4405	348	{
7491a29f JH	349	assert(dec);
7491a29f JH	350
4e5a4405 JH	351	const vector< shared_ptr<Signal> > sigs = _session.get_signals();
4e5a4405 JH	352
6e89374a	353	assert(_decoder_stack);
4e5a4405 JH	354	const map<const srd_probe*,
4e5a4405 JH	355	shared_ptr<LogicSignal> >::const_iterator probe_iter =
7491a29f	356	dec->probes().find(probe);
4e5a4405 JH	357
	358	QComboBox *selector = new QComboBox(parent);
	359
	360	selector->addItem("-", qVariantFromValue((void*)NULL));
	361
7491a29f	362	if (probe_iter == dec->probes().end())
4e5a4405 JH	363	selector->setCurrentIndex(0);
	364
	365	for(size_t i = 0; i < sigs.size(); i++) {
	366	const shared_ptr<view::Signal> s(sigs[i]);
	367	assert(s);
	368
	369	if (dynamic_pointer_cast<LogicSignal>(s) && s->enabled())
	370	{
	371	selector->addItem(s->get_name(),
	372	qVariantFromValue((void*)s.get()));
	373	if ((*probe_iter).second == s)
	374	selector->setCurrentIndex(i + 1);
	375	}
	376	}
	377
	378	return selector;
	379	}
	380
7491a29f	381	void DecodeTrace::commit_decoder_probes(shared_ptr<data::decode::Decoder> &dec)
4e5a4405	382	{
7491a29f	383	assert(dec);
4e5a4405 JH	384
	385	map<const srd_probe*, shared_ptr<LogicSignal> > probe_map;
	386	const vector< shared_ptr<Signal> > sigs = _session.get_signals();
	387
7491a29f	388	BOOST_FOREACH(const ProbeSelector &s, _probe_selectors)
4e5a4405	389	{
7491a29f JH	390	if(s._decoder != dec)
	391	break;
	392
4e5a4405	393	const LogicSignal *const selection =
7491a29f JH	394	(LogicSignal*)s._combo->itemData(
7491a29f JH	395	s._combo->currentIndex()).value<void*>();
4e5a4405	396
7491a29f JH	397	BOOST_FOREACH(shared_ptr<Signal> sig, sigs)
	398	if(sig.get() == selection) {
	399	probe_map[s._probe] =
	400	dynamic_pointer_cast<LogicSignal>(sig);
4e5a4405 JH	401	break;
	402	}
	403	}
	404
7491a29f JH	405	dec->set_probes(probe_map);
	406	}
	407
	408	void DecodeTrace::commit_probes()
	409	{
	410	assert(_decoder_stack);
	411	BOOST_FOREACH(shared_ptr<data::decode::Decoder> dec,
	412	_decoder_stack->stack())
	413	commit_decoder_probes(dec);
	414
	415	_decoder_stack->begin_decode();
4e5a4405 JH	416	}
4e5a4405 JH	417
b9329558	418	void DecodeTrace::on_new_decode_data()
9cef9567 JH	419	{
	420	if (_view)
	421	_view->update_viewport();
	422	}
	423
b9329558	424	void DecodeTrace::delete_pressed()
5ed1adf5 JH	425	{
	426	on_delete();
	427	}
	428
b9329558	429	void DecodeTrace::on_delete()
c51482b3 JH	430	{
	431	_session.remove_decode_signal(this);
	432	}
	433
b9329558	434	void DecodeTrace::on_probe_selected(int)
4e5a4405 JH	435	{
	436	commit_probes();
	437	}
	438
7491a29f JH	439	void DecodeTrace::on_stack_decoder(srd_decoder *decoder)
	440	{
	441	assert(decoder);
	442	assert(_decoder_stack);
	443	_decoder_stack->push(shared_ptr<data::decode::Decoder>(
	444	new data::decode::Decoder(decoder)));
	445	_decoder_stack->begin_decode();
37fd11b1 JH	446
37fd11b1 JH	447	create_popup_form();
7491a29f JH	448	}
7491a29f JH	449
613d097c JH	450	void DecodeTrace::on_delete_decoder(int index)
	451	{
	452	_decoder_stack->remove(index);
	453
	454	// Update the popup
	455	create_popup_form();
	456
	457	_decoder_stack->begin_decode();
	458	}
	459
55d3603d JH	460	} // namespace view
55d3603d JH	461	} // namespace pv