[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),
	_show_hide_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)));
	connect(&_show_hide_mapper, SIGNAL(mapped(int)),
		this, SLOT(on_show_hide_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::data::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;

	const uint64_t start_sample = (uint64_t)max((left + pixels_offset) *
		samples_per_pixel, 0.0);
	const uint64_t end_sample = (uint64_t)max((right + pixels_offset) *
		samples_per_pixel, 0.0);

	QFontMetrics m(QApplication::font());
	const int text_height =  m.boundingRect(QRect(), 0, "Tg").height();
	const int annotation_height = (text_height * 5) / 4;
	const int row_height = (text_height * 6) / 4;

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

	// Iterate through the rows
	assert(_view);
	int y = get_y();

	assert(_decoder_stack);

	const vector<Row> rows(_decoder_stack->get_visible_rows());
	for (size_t i = 0; i < rows.size(); i++)
	{
		const Row &row = rows[i];
		vector<Annotation> annotations;
		_decoder_stack->get_annotation_subset(annotations, row,
			start_sample, end_sample);
		if (!annotations.empty()) {
			BOOST_FOREACH(const Annotation &a, annotations)
				draw_annotation(a, p, get_text_colour(),
					annotation_height, left, right,
					samples_per_pixel, pixels_offset, y, i);
			y += row_height;
		}
	}

	// Draw the hatching
	draw_unresolved_period(p, annotation_height, 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();
	_decoder_forms.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, unsigned int row_index) 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[((row_index * 2 + a.format()) *
		(countof(Colours) / 4 + 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));
	group->set_decoder_visible(dec->shown());

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

	_show_hide_mapper.setMapping(group, index);
	connect(group, SIGNAL(show_hide_decoder()),
		&_show_hide_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);
	_decoder_forms.push_back(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();
}

void DecodeTrace::on_show_hide_decoder(int index)
{
	using pv::data::decode::Decoder;

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

	// Find the decoder in the stack
	list< shared_ptr<Decoder> >::const_iterator iter = stack.begin();
	for(int i = 0; i < index; i++, iter++)
		assert(iter != stack.end());

	shared_ptr<Decoder> dec = *iter;
	assert(dec);

	const bool show = !dec->shown();
	dec->show(show);

	assert(index < (int)_decoder_forms.size());
	_decoder_forms[index]->set_decoder_visible(show);

	_view->update_viewport();
}

} // 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	88	_decoder_stack(decoder_stack),
dd048a7e JH	89	_delete_mapper(this),
dd048a7e JH	90	_show_hide_mapper(this)
55d3603d	91	{
6e89374a	92	assert(_decoder_stack);
e0fc5810	93
06bb4e6a	94	_colour = DecodeColours[index % countof(DecodeColours)];
9cef9567	95
6e89374a	96	connect(_decoder_stack.get(), SIGNAL(new_decode_data()),
9cef9567	97	this, SLOT(on_new_decode_data()));
613d097c JH	98	connect(&_delete_mapper, SIGNAL(mapped(int)),
613d097c JH	99	this, SLOT(on_delete_decoder(int)));
dd048a7e JH	100	connect(&_show_hide_mapper, SIGNAL(mapped(int)),
dd048a7e JH	101	this, SLOT(on_show_hide_decoder(int)));
55d3603d JH	102	}
55d3603d JH	103
b9329558	104	bool DecodeTrace::enabled() const
55d3603d JH	105	{
	106	return true;
	107	}
	108
6e89374a	109	const boost::shared_ptr<pv::data::DecoderStack>& DecodeTrace::decoder() const
b6b267bb	110	{
6e89374a	111	return _decoder_stack;
b6b267bb JH	112	}
b6b267bb JH	113
b9329558	114	void DecodeTrace::set_view(pv::view::View *view)
e0fc5810 JH	115	{
	116	assert(view);
	117	Trace::set_view(view);
	118	}
	119
b9329558	120	void DecodeTrace::paint_back(QPainter &p, int left, int right)
fe08b6e8	121	{
5dfeb70f	122	Trace::paint_back(p, left, right);
fe08b6e8 JH	123	paint_axis(p, get_y(), left, right);
	124	}
	125
b9329558	126	void DecodeTrace::paint_mid(QPainter &p, int left, int right)
55d3603d	127	{
f9101a91	128	using namespace pv::data::decode;
9472f447	129
9472f447 JH	130	const double scale = _view->scale();
	131	assert(scale > 0);
	132
9d28da5a	133	double samplerate = _decoder_stack->samplerate();
9472f447 JH	134
	135	// Show sample rate as 1Hz when it is unknown
	136	if (samplerate == 0.0)
	137	samplerate = 1.0;
	138
	139	const double pixels_offset = (_view->offset() -
6e89374a	140	_decoder_stack->get_start_time()) / scale;
9472f447 JH	141	const double samples_per_pixel = samplerate * scale;
9472f447 JH	142
92421299 JH	143	const uint64_t start_sample = (uint64_t)max((left + pixels_offset) *
	144	samples_per_pixel, 0.0);
	145	const uint64_t end_sample = (uint64_t)max((right + pixels_offset) *
	146	samples_per_pixel, 0.0);
	147
d7c0ca4a	148	QFontMetrics m(QApplication::font());
f9101a91 JH	149	const int text_height = m.boundingRect(QRect(), 0, "Tg").height();
	150	const int annotation_height = (text_height * 5) / 4;
	151	const int row_height = (text_height * 6) / 4;
5dfeb70f JH	152
	153	assert(_decoder_stack);
	154	const QString err = _decoder_stack->error_message();
	155	if (!err.isEmpty())
	156	{
	157	draw_error(p, err, left, right);
f9101a91 JH	158	draw_unresolved_period(p, annotation_height, left, right,
f9101a91 JH	159	samples_per_pixel, pixels_offset);
5dfeb70f JH	160	return;
	161	}
	162
f9101a91	163	// Iterate through the rows
5dfeb70f	164	assert(_view);
f9101a91	165	int y = get_y();
5dfeb70f	166
6e89374a	167	assert(_decoder_stack);
7e674e43	168
dd048a7e	169	const vector<Row> rows(_decoder_stack->get_visible_rows());
bf51365c	170	for (size_t i = 0; i < rows.size(); i++)
92421299	171	{
bf51365c	172	const Row &row = rows[i];
f9101a91 JH	173	vector<Annotation> annotations;
	174	_decoder_stack->get_annotation_subset(annotations, row,
	175	start_sample, end_sample);
	176	if (!annotations.empty()) {
	177	BOOST_FOREACH(const Annotation &a, annotations)
	178	draw_annotation(a, p, get_text_colour(),
	179	annotation_height, left, right,
bf51365c	180	samples_per_pixel, pixels_offset, y, i);
f9101a91 JH	181	y += row_height;
f9101a91 JH	182	}
7e674e43	183	}
5dfeb70f	184
f9101a91 JH	185	// Draw the hatching
f9101a91 JH	186	draw_unresolved_period(p, annotation_height, left, right,
5dfeb70f	187	samples_per_pixel, pixels_offset);
55d3603d JH	188	}
55d3603d JH	189
b9329558	190	void DecodeTrace::populate_popup_form(QWidget parent, QFormLayout form)
4e5a4405	191	{
613d097c JH	192	using pv::data::decode::Decoder;
613d097c JH	193
4e5a4405 JH	194	assert(form);
4e5a4405 JH	195	assert(parent);
6e89374a	196	assert(_decoder_stack);
4e5a4405	197
7491a29f	198	// Add the standard options
4e5a4405 JH	199	Trace::populate_popup_form(parent, form);
4e5a4405 JH	200
7491a29f JH	201	// Add the decoder options
	202	_bindings.clear();
	203	_probe_selectors.clear();
dd048a7e	204	_decoder_forms.clear();
4e5a4405	205
613d097c	206	const list< shared_ptr<Decoder> >& stack = _decoder_stack->stack();
4e5a4405	207
5069084a JH	208	if (stack.empty())
	209	{
	210	QLabel *const l = new QLabel(
	211	tr("<p><i>No decoders in the stack</i></p>"));
	212	l->setAlignment(Qt::AlignCenter);
	213	form->addRow(l);
	214	}
	215	else
	216	{
	217	list< shared_ptr<Decoder> >::const_iterator iter =
	218	stack.begin();
	219	for (int i = 0; i < (int)stack.size(); i++, iter++) {
	220	shared_ptr<Decoder> dec(*iter);
	221	create_decoder_form(i, dec, parent, form);
	222	}
	223
	224	form->addRow(new QLabel(
	225	tr("<i>* Required Probes</i>"), parent));
	226	}
4e5a4405	227
ce94e4fd	228	// Add stacking button
ce94e4fd JH	229	pv::widgets::DecoderMenu *const decoder_menu =
ce94e4fd JH	230	new pv::widgets::DecoderMenu(parent);
7491a29f JH	231	connect(decoder_menu, SIGNAL(decoder_selected(srd_decoder*)),
	232	this, SLOT(on_stack_decoder(srd_decoder*)));
	233
	234	QPushButton *const stack_button =
	235	new QPushButton(tr("Stack Decoder"), parent);
ce94e4fd JH	236	stack_button->setMenu(decoder_menu);
	237
	238	QHBoxLayout *stack_button_box = new QHBoxLayout;
	239	stack_button_box->addWidget(stack_button, 0, Qt::AlignRight);
	240	form->addRow(stack_button_box);
4e5a4405 JH	241	}
4e5a4405 JH	242
b9329558	243	QMenu* DecodeTrace::create_context_menu(QWidget *parent)
c51482b3 JH	244	{
	245	QMenu *const menu = Trace::create_context_menu(parent);
	246
	247	menu->addSeparator();
	248
	249	QAction *const del = new QAction(tr("Delete"), this);
a2d21018	250	del->setShortcuts(QKeySequence::Delete);
c51482b3 JH	251	connect(del, SIGNAL(triggered()), this, SLOT(on_delete()));
	252	menu->addAction(del);
	253
	254	return menu;
	255	}
	256
06e810f2 JH	257	void DecodeTrace::draw_annotation(const pv::data::decode::Annotation &a, QPainter &p,
06e810f2 JH	258	QColor text_color, int h, int left, int right, double samples_per_pixel,
bf51365c	259	double pixels_offset, int y, unsigned int row_index) const
06e810f2 JH	260	{
	261	const double start = a.start_sample() / samples_per_pixel -
	262	pixels_offset;
	263	const double end = a.end_sample() / samples_per_pixel -
	264	pixels_offset;
bf51365c JH	265	const QColor fill = Colours[((row_index * 2 + a.format()) *
bf51365c JH	266	(countof(Colours) / 4 + 1)) % countof(Colours)];
06e810f2 JH	267	const QColor outline(fill.darker());
	268
	269	if (start > right + DrawPadding \|\| end < left - DrawPadding)
	270	return;
	271
	272	if (a.start_sample() == a.end_sample())
	273	draw_instant(a, p, fill, outline, text_color, h,
	274	start, y);
	275	else
	276	draw_range(a, p, fill, outline, text_color, h,
	277	start, end, y);
	278	}
	279
	280	void DecodeTrace::draw_instant(const pv::data::decode::Annotation &a, QPainter &p,
	281	QColor fill, QColor outline, QColor text_color, int h, double x, int y) const
	282	{
	283	const QString text = a.annotations().empty() ?
	284	QString() : a.annotations().back();
	285	const double w = min(p.boundingRect(QRectF(), 0, text).width(),
	286	0.0) + h;
	287	const QRectF rect(x - w / 2, y - h / 2, w, h);
	288
	289	p.setPen(outline);
	290	p.setBrush(fill);
	291	p.drawRoundedRect(rect, h / 2, h / 2);
	292
	293	p.setPen(text_color);
	294	p.drawText(rect, Qt::AlignCenter \| Qt::AlignVCenter, text);
	295	}
	296
	297	void DecodeTrace::draw_range(const pv::data::decode::Annotation &a, QPainter &p,
	298	QColor fill, QColor outline, QColor text_color, int h, double start,
	299	double end, int y) const
	300	{
	301	const double top = y + .5 - h / 2;
	302	const double bottom = y + .5 + h / 2;
	303	const vector<QString> annotations = a.annotations();
	304
	305	p.setPen(outline);
	306	p.setBrush(fill);
	307
	308	// If the two ends are within 1 pixel, draw a vertical line
	309	if (start + 1.0 > end)
	310	{
	311	p.drawLine(QPointF(start, top), QPointF(start, bottom));
	312	return;
	313	}
	314
	315	const double cap_width = min((end - start) / 4, EndCapWidth);
	316
	317	QPointF pts[] = {
	318	QPointF(start, y + .5f),
	319	QPointF(start + cap_width, top),
	320	QPointF(end - cap_width, top),
	321	QPointF(end, y + .5f),
	322	QPointF(end - cap_width, bottom),
	323	QPointF(start + cap_width, bottom)
	324	};
	325
	326	p.drawConvexPolygon(pts, countof(pts));
	327
	328	if (annotations.empty())
	329	return;
	330
331	QRectF rect(start + cap_width, y - h / 2,
332	end - start - cap_width * 2, h);
333	p.setPen(text_color);
334
335	// Try to find an annotation that will fit
336	QString best_annotation;
337	int best_width = 0;
338
339	BOOST_FOREACH(const QString &a, annotations) {
340	const int w = p.boundingRect(QRectF(), 0, a).width();
341	if (w <= rect.width() && w > best_width)
342	best_annotation = a, best_width = w;
343	}
344
345	if (best_annotation.isEmpty())
346	best_annotation = annotations.back();
347
348	// If not ellide the last in the list
349	p.drawText(rect, Qt::AlignCenter, p.fontMetrics().elidedText(
350	best_annotation, Qt::ElideRight, rect.width()));
351	}
352
b9329558	353	void DecodeTrace::draw_error(QPainter &p, const QString &message,
ad50ac1a JH	354	int left, int right)
	355	{
	356	const int y = get_y();
	357
	358	p.setPen(ErrorBgColour.darker());
	359	p.setBrush(ErrorBgColour);
	360
	361	const QRectF bounding_rect =
	362	QRectF(left, INT_MIN / 2 + y, right - left, INT_MAX);
	363	const QRectF text_rect = p.boundingRect(bounding_rect,
	364	Qt::AlignCenter, message);
	365	const float r = text_rect.height() / 4;
	366
	367	p.drawRoundedRect(text_rect.adjusted(-r, -r, r, r), r, r,
	368	Qt::AbsoluteSize);
	369
	370	p.setPen(get_text_colour());
	371	p.drawText(text_rect, message);
	372	}
	373
5dfeb70f JH	374	void DecodeTrace::draw_unresolved_period(QPainter &p, int h, int left,
	375	int right, double samples_per_pixel, double pixels_offset)
	376	{
	377	using namespace pv::data;
	378	using pv::data::decode::Decoder;
	379
	380	assert(_decoder_stack);
	381
	382	shared_ptr<Logic> data;
	383	shared_ptr<LogicSignal> logic_signal;
	384
	385	const list< shared_ptr<Decoder> > &stack = _decoder_stack->stack();
	386
	387	// We get the logic data of the first probe in the list.
	388	// This works because we are currently assuming all
	389	// LogicSignals have the same data/snapshot
	390	BOOST_FOREACH (const shared_ptr<Decoder> &dec, stack)
	391	if (dec && !dec->probes().empty() &&
	392	((logic_signal = (*dec->probes().begin()).second)) &&
7aa09b00	393	((data = logic_signal->logic_data())))
5dfeb70f JH	394	break;
	395
	396	if (!data \|\| data->get_snapshots().empty())
	397	return;
	398
	399	const shared_ptr<LogicSnapshot> snapshot =
	400	data->get_snapshots().front();
	401	assert(snapshot);
	402	const int64_t sample_count = (int64_t)snapshot->get_sample_count();
	403	if (sample_count == 0)
	404	return;
	405
	406	const int64_t samples_decoded = _decoder_stack->samples_decoded();
	407	if (sample_count == samples_decoded)
	408	return;
	409
	410	const int y = get_y();
	411	const double start = max(samples_decoded /
	412	samples_per_pixel - pixels_offset, left - 1.0);
	413	const double end = min(sample_count / samples_per_pixel -
	414	pixels_offset, right + 1.0);
	415	const QRectF no_decode_rect(start, y - h/2 + 0.5, end - start, h);
	416
	417	p.setPen(QPen(Qt::NoPen));
	418	p.setBrush(Qt::white);
	419	p.drawRect(no_decode_rect);
	420
	421	p.setPen(NoDecodeColour);
	422	p.setBrush(QBrush(NoDecodeColour, Qt::Dense6Pattern));
	423	p.drawRect(no_decode_rect);
	424	}
	425
613d097c JH	426	void DecodeTrace::create_decoder_form(int index,
	427	shared_ptr<data::decode::Decoder> &dec, QWidget *parent,
	428	QFormLayout *form)
7491a29f JH	429	{
	430	const GSList *probe;
	431
	432	assert(dec);
	433	const srd_decoder *const decoder = dec->decoder();
	434	assert(decoder);
	435
204bae45	436	pv::widgets::DecoderGroupBox *const group =
27e8df22 JH	437	new pv::widgets::DecoderGroupBox(
27e8df22 JH	438	QString::fromUtf8(decoder->name));
dd048a7e	439	group->set_decoder_visible(dec->shown());
613d097c JH	440
	441	_delete_mapper.setMapping(group, index);
	442	connect(group, SIGNAL(delete_decoder()), &_delete_mapper, SLOT(map()));
	443
dd048a7e JH	444	_show_hide_mapper.setMapping(group, index);
	445	connect(group, SIGNAL(show_hide_decoder()),
	446	&_show_hide_mapper, SLOT(map()));
	447
204bae45 JH	448	QFormLayout *const decoder_form = new QFormLayout;
204bae45 JH	449	group->add_layout(decoder_form);
7491a29f JH	450
	451	// Add the mandatory probes
	452	for(probe = decoder->probes; probe; probe = probe->next) {
	453	const struct srd_probe *const p =
	454	(struct srd_probe *)probe->data;
	455	QComboBox *const combo = create_probe_selector(parent, dec, p);
	456	connect(combo, SIGNAL(currentIndexChanged(int)),
	457	this, SLOT(on_probe_selected(int)));
204bae45	458	decoder_form->addRow(tr("<b>%1</b> (%2) *")
7491a29f JH	459	.arg(p->name).arg(p->desc), combo);
	460
	461	const ProbeSelector s = {combo, dec, p};
	462	_probe_selectors.push_back(s);
	463	}
	464
	465	// Add the optional probes
	466	for(probe = decoder->opt_probes; probe; probe = probe->next) {
	467	const struct srd_probe *const p =
	468	(struct srd_probe *)probe->data;
	469	QComboBox *const combo = create_probe_selector(parent, dec, p);
	470	connect(combo, SIGNAL(currentIndexChanged(int)),
	471	this, SLOT(on_probe_selected(int)));
204bae45	472	decoder_form->addRow(tr("<b>%1</b> (%2)")
7491a29f JH	473	.arg(p->name).arg(p->desc), combo);
	474
	475	const ProbeSelector s = {combo, dec, p};
	476	_probe_selectors.push_back(s);
	477	}
	478
	479	// Add the options
	480	shared_ptr<prop::binding::DecoderOptions> binding(
	481	new prop::binding::DecoderOptions(_decoder_stack, dec));
204bae45	482	binding->add_properties_to_form(decoder_form, true);
7491a29f JH	483
7491a29f JH	484	_bindings.push_back(binding);
204bae45 JH	485
204bae45 JH	486	form->addRow(group);
dd048a7e	487	_decoder_forms.push_back(group);
7491a29f JH	488	}
7491a29f JH	489
b9329558	490	QComboBox* DecodeTrace::create_probe_selector(
7491a29f JH	491	QWidget *parent, const shared_ptr<data::decode::Decoder> &dec,
7491a29f JH	492	const srd_probe *const probe)
4e5a4405	493	{
7491a29f JH	494	assert(dec);
7491a29f JH	495
4e5a4405 JH	496	const vector< shared_ptr<Signal> > sigs = _session.get_signals();
4e5a4405 JH	497
6e89374a	498	assert(_decoder_stack);
4e5a4405 JH	499	const map<const srd_probe*,
4e5a4405 JH	500	shared_ptr<LogicSignal> >::const_iterator probe_iter =
7491a29f	501	dec->probes().find(probe);
4e5a4405 JH	502
	503	QComboBox *selector = new QComboBox(parent);
	504
	505	selector->addItem("-", qVariantFromValue((void*)NULL));
	506
7491a29f	507	if (probe_iter == dec->probes().end())
4e5a4405 JH	508	selector->setCurrentIndex(0);
	509
	510	for(size_t i = 0; i < sigs.size(); i++) {
	511	const shared_ptr<view::Signal> s(sigs[i]);
	512	assert(s);
	513
	514	if (dynamic_pointer_cast<LogicSignal>(s) && s->enabled())
	515	{
	516	selector->addItem(s->get_name(),
	517	qVariantFromValue((void*)s.get()));
	518	if ((*probe_iter).second == s)
	519	selector->setCurrentIndex(i + 1);
	520	}
	521	}
	522
	523	return selector;
	524	}
	525
7491a29f	526	void DecodeTrace::commit_decoder_probes(shared_ptr<data::decode::Decoder> &dec)
4e5a4405	527	{
7491a29f	528	assert(dec);
4e5a4405 JH	529
	530	map<const srd_probe*, shared_ptr<LogicSignal> > probe_map;
	531	const vector< shared_ptr<Signal> > sigs = _session.get_signals();
	532
7491a29f	533	BOOST_FOREACH(const ProbeSelector &s, _probe_selectors)
4e5a4405	534	{
7491a29f JH	535	if(s._decoder != dec)
	536	break;
	537
4e5a4405	538	const LogicSignal *const selection =
7491a29f JH	539	(LogicSignal*)s._combo->itemData(
7491a29f JH	540	s._combo->currentIndex()).value<void*>();
4e5a4405	541
7491a29f JH	542	BOOST_FOREACH(shared_ptr<Signal> sig, sigs)
	543	if(sig.get() == selection) {
	544	probe_map[s._probe] =
	545	dynamic_pointer_cast<LogicSignal>(sig);
4e5a4405 JH	546	break;
	547	}
	548	}
	549
7491a29f JH	550	dec->set_probes(probe_map);
	551	}
	552
	553	void DecodeTrace::commit_probes()
	554	{
	555	assert(_decoder_stack);
	556	BOOST_FOREACH(shared_ptr<data::decode::Decoder> dec,
	557	_decoder_stack->stack())
	558	commit_decoder_probes(dec);
	559
	560	_decoder_stack->begin_decode();
4e5a4405 JH	561	}
4e5a4405 JH	562
b9329558	563	void DecodeTrace::on_new_decode_data()
9cef9567 JH	564	{
	565	if (_view)
	566	_view->update_viewport();
	567	}
	568
b9329558	569	void DecodeTrace::delete_pressed()
5ed1adf5 JH	570	{
	571	on_delete();
	572	}
	573
b9329558	574	void DecodeTrace::on_delete()
c51482b3 JH	575	{
	576	_session.remove_decode_signal(this);
	577	}
	578
b9329558	579	void DecodeTrace::on_probe_selected(int)
4e5a4405 JH	580	{
	581	commit_probes();
	582	}
	583
7491a29f JH	584	void DecodeTrace::on_stack_decoder(srd_decoder *decoder)
	585	{
	586	assert(decoder);
	587	assert(_decoder_stack);
	588	_decoder_stack->push(shared_ptr<data::decode::Decoder>(
	589	new data::decode::Decoder(decoder)));
	590	_decoder_stack->begin_decode();
37fd11b1 JH	591
37fd11b1 JH	592	create_popup_form();
7491a29f JH	593	}
7491a29f JH	594
613d097c JH	595	void DecodeTrace::on_delete_decoder(int index)
	596	{
	597	_decoder_stack->remove(index);
	598
	599	// Update the popup
	600	create_popup_form();
	601
	602	_decoder_stack->begin_decode();
	603	}
	604
dd048a7e JH	605	void DecodeTrace::on_show_hide_decoder(int index)
	606	{
	607	using pv::data::decode::Decoder;
	608
	609	const list< shared_ptr<Decoder> > stack(_decoder_stack->stack());
	610
	611	// Find the decoder in the stack
	612	list< shared_ptr<Decoder> >::const_iterator iter = stack.begin();
	613	for(int i = 0; i < index; i++, iter++)
	614	assert(iter != stack.end());
	615
	616	shared_ptr<Decoder> dec = *iter;
	617	assert(dec);
	618
	619	const bool show = !dec->shown();
	620	dec->show(show);
	621
	622	assert(index < (int)_decoder_forms.size());
	623	_decoder_forms[index]->set_decoder_visible(show);
	624
	625	_view->update_viewport();
	626	}
	627
55d3603d JH	628	} // namespace view
55d3603d JH	629	} // namespace pv