view.cpp 28.6 KB
Newer Older
DreamSourceLab's avatar
DreamSourceLab committed
1
/*
DreamSourceLab's avatar
DreamSourceLab committed
2 3
 * This file is part of the DSView project.
 * DSView is based on PulseView.
DreamSourceLab's avatar
DreamSourceLab committed
4 5
 *
 * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
6
 * Copyright (C) 2013 DreamSourceLab <support@dreamsourcelab.com>
DreamSourceLab's avatar
DreamSourceLab committed
7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 */


#include <assert.h>
#include <limits.h>
#include <math.h>

#include <boost/foreach.hpp>

Diego F. Asanza's avatar
Diego F. Asanza committed
30
#include <QApplication>
DreamSourceLab's avatar
DreamSourceLab committed
31 32 33 34
#include <QEvent>
#include <QMouseEvent>
#include <QScrollBar>

DreamSourceLab's avatar
DreamSourceLab committed
35
#include "groupsignal.h"
DreamSourceLab's avatar
DreamSourceLab committed
36
#include "decodetrace.h"
DreamSourceLab's avatar
DreamSourceLab committed
37
#include "header.h"
DreamSourceLab's avatar
DreamSourceLab committed
38
#include "devmode.h"
DreamSourceLab's avatar
DreamSourceLab committed
39 40
#include "ruler.h"
#include "signal.h"
DreamSourceLab's avatar
DreamSourceLab committed
41
#include "dsosignal.h"
DreamSourceLab's avatar
DreamSourceLab committed
42 43
#include "view.h"
#include "viewport.h"
DreamSourceLab's avatar
DreamSourceLab committed
44
#include "mathtrace.h"
DreamSourceLab's avatar
DreamSourceLab committed
45

DreamSourceLab's avatar
DreamSourceLab committed
46
#include "../device/devinst.h"
DreamSourceLab's avatar
DreamSourceLab committed
47 48 49
#include "pv/sigsession.h"
#include "pv/data/logic.h"
#include "pv/data/logicsnapshot.h"
50
#include "pv/dialogs/calibration.h"
DreamSourceLab's avatar
DreamSourceLab committed
51 52 53 54 55 56 57 58 59 60 61

using namespace boost;
using namespace std;

namespace pv {
namespace view {

const int View::LabelMarginWidth = 70;
const int View::RulerHeight = 50;

const int View::MaxScrollValue = INT_MAX / 2;
62
const int View::MaxHeightUnit = 20;
DreamSourceLab's avatar
DreamSourceLab committed
63 64 65 66 67 68 69 70 71

//const int View::SignalHeight = 30;s
const int View::SignalMargin = 10;
const int View::SignalSnapGridSize = 10;

const QColor View::CursorAreaColour(220, 231, 243);

const QSizeF View::LabelPadding(4, 4);

DreamSourceLab's avatar
DreamSourceLab committed
72
View::View(SigSession &session, pv::toolbars::SamplingBar *sampling_bar, QWidget *parent) :
DreamSourceLab's avatar
DreamSourceLab committed
73
    QScrollArea(parent),
DreamSourceLab's avatar
DreamSourceLab committed
74
	_session(session),
DreamSourceLab's avatar
DreamSourceLab committed
75
    _sampling_bar(sampling_bar),
76
    _scale(1e-5),
DreamSourceLab's avatar
DreamSourceLab committed
77 78 79 80 81 82 83
    _preScale(1e-6),
    _maxscale(1e9),
    _minscale(1e-15),
	_offset(0),
    _preOffset(0),
	_updating_scroll(false),
	_show_cursors(false),
DreamSourceLab's avatar
DreamSourceLab committed
84
    _hover_point(-1, -1)
DreamSourceLab's avatar
DreamSourceLab committed
85 86 87 88 89 90 91 92
{
    setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOn);

	connect(horizontalScrollBar(), SIGNAL(valueChanged(int)),
		this, SLOT(h_scroll_value_changed(int)));
	connect(verticalScrollBar(), SIGNAL(valueChanged(int)),
		this, SLOT(v_scroll_value_changed(int)));

DreamSourceLab's avatar
DreamSourceLab committed
93 94 95 96 97 98 99 100 101 102 103 104 105
    // trace viewport map
    _trace_view_map[SR_CHANNEL_LOGIC] = TIME_VIEW;
    _trace_view_map[SR_CHANNEL_GROUP] = TIME_VIEW;
    _trace_view_map[SR_CHANNEL_DECODER] = TIME_VIEW;
    _trace_view_map[SR_CHANNEL_ANALOG] = TIME_VIEW;
    _trace_view_map[SR_CHANNEL_DSO] = TIME_VIEW;
    _trace_view_map[SR_CHANNEL_FFT] = FFT_VIEW;

    _active_viewport = NULL;
    _ruler = new Ruler(*this);
    _header = new Header(*this);
    _devmode = new DevMode(this, session);

DreamSourceLab's avatar
DreamSourceLab committed
106
    setViewportMargins(headerWidth(), RulerHeight, 0, 0);
DreamSourceLab's avatar
DreamSourceLab committed
107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137
    //setViewport(_viewport);

    // windows splitter
    _time_viewport = new Viewport(*this, TIME_VIEW);
    _time_viewport->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred);
    _time_viewport->setMinimumHeight(100);
    connect(_time_viewport, SIGNAL(measure_updated()),
            this, SLOT(on_measure_updated()));
    _fft_viewport = new Viewport(*this, FFT_VIEW);
    _fft_viewport->setVisible(false);
    _fft_viewport->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred);
    _fft_viewport->setMinimumHeight(100);
    connect(_fft_viewport, SIGNAL(measure_updated()),
            this, SLOT(on_measure_updated()));

    _vsplitter = new QSplitter(this);
    _vsplitter->setOrientation(Qt::Vertical);
    _vsplitter->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred);

    _viewport_list.push_back(_time_viewport);
    _vsplitter->addWidget(_time_viewport);
    _vsplitter->setCollapsible(0, false);
    _vsplitter->setStretchFactor(0, 2);
    _viewport_list.push_back(_fft_viewport);
    _vsplitter->addWidget(_fft_viewport);
    _vsplitter->setCollapsible(1, false);
    _vsplitter->setStretchFactor(1, 1);

    _viewcenter = new QWidget(this);
    _viewcenter->setContentsMargins(0,0,0,0);
    QGridLayout* layout = new QGridLayout(_viewcenter);
138
    layout->setSpacing(0);
DreamSourceLab's avatar
DreamSourceLab committed
139 140 141
    layout->setContentsMargins(0,0,0,0);
    _viewcenter->setLayout(layout);
    layout->addWidget(_vsplitter, 0, 0);
142 143 144
    _viewbottom = new widgets::ViewStatus(this);
    _viewbottom->setFixedHeight(StatusHeight);
    layout->addWidget(_viewbottom, 1, 0);
DreamSourceLab's avatar
DreamSourceLab committed
145 146 147
    setViewport(_viewcenter);
    connect(_vsplitter, SIGNAL(splitterMoved(int,int)),
        this, SLOT(splitterMoved(int, int)));
DreamSourceLab's avatar
DreamSourceLab committed
148

149 150
    connect(&_session, SIGNAL(device_setted()),
            _devmode, SLOT(set_device()));
151
    connect(&_session, SIGNAL(signals_changed()),
152
        this, SLOT(signals_changed()), Qt::DirectConnection);
153 154
    connect(&_session, SIGNAL(data_updated()),
        this, SLOT(data_updated()));
155 156
    connect(&_session, SIGNAL(receive_header()),
            this, SLOT(receive_header()));
DreamSourceLab's avatar
DreamSourceLab committed
157 158
    connect(&_session, SIGNAL(receive_trigger(quint64)),
            this, SLOT(set_trig_pos(quint64)));
159 160 161 162
    connect(&_session, SIGNAL(frame_ended()),
            this, SLOT(receive_end()));
    connect(&_session, SIGNAL(frame_began()),
            this, SLOT(frame_began()));
163 164
    connect(&_session, SIGNAL(show_region(uint64_t,uint64_t)),
            this, SLOT(show_region(uint64_t, uint64_t)));
DreamSourceLab's avatar
DreamSourceLab committed
165

166 167
//    connect(_devmode, SIGNAL(mode_changed()),
//            this, SIGNAL(mode_changed()));
DreamSourceLab's avatar
DreamSourceLab committed
168
    connect(_devmode, SIGNAL(mode_changed()),
169
            parent, SLOT(update_device_list()), Qt::DirectConnection);
DreamSourceLab's avatar
DreamSourceLab committed
170 171 172

    connect(_header, SIGNAL(traces_moved()),
        this, SLOT(on_traces_moved()));
DreamSourceLab's avatar
DreamSourceLab committed
173 174 175
    connect(_header, SIGNAL(header_updated()),
        this, SLOT(header_updated()));

DreamSourceLab's avatar
DreamSourceLab committed
176 177
    _time_viewport->installEventFilter(this);
    _fft_viewport->installEventFilter(this);
DreamSourceLab's avatar
DreamSourceLab committed
178 179
	_ruler->installEventFilter(this);
	_header->installEventFilter(this);
DreamSourceLab's avatar
DreamSourceLab committed
180
    _devmode->installEventFilter(this);
DreamSourceLab's avatar
DreamSourceLab committed
181

DreamSourceLab's avatar
DreamSourceLab committed
182
    _viewcenter->setObjectName(tr("ViewArea_center"));
DreamSourceLab's avatar
DreamSourceLab committed
183 184 185 186
    _ruler->setObjectName(tr("ViewArea_ruler"));
    _header->setObjectName(tr("ViewArea_header"));

    _show_trig_cursor = false;
187
    _trig_cursor = new Cursor(*this, Trace::dsLightRed, 0);
DreamSourceLab's avatar
DreamSourceLab committed
188 189
    _show_search_cursor = false;
    _search_pos = 0;
190
    _search_cursor = new Cursor(*this, Trace::dsLightBlue, _search_pos);
191 192 193

    _cali = new pv::dialogs::Calibration(this);
    _cali->hide();
DreamSourceLab's avatar
DreamSourceLab committed
194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222
}

SigSession& View::session()
{
	return _session;
}

double View::scale() const
{
	return _scale;
}

double View::offset() const
{
	return _offset;
}

double View::get_minscale() const
{
    return _minscale;
}

double View::get_maxscale() const
{
    return _maxscale;
}

void View::zoom(double steps)
{
DreamSourceLab's avatar
DreamSourceLab committed
223
    zoom(steps, get_view_width() / 2);
DreamSourceLab's avatar
DreamSourceLab committed
224 225
}

DreamSourceLab's avatar
DreamSourceLab committed
226
void View::set_update(Viewport *viewport, bool need_update)
DreamSourceLab's avatar
DreamSourceLab committed
227
{
DreamSourceLab's avatar
DreamSourceLab committed
228
    viewport->set_need_update(need_update);
DreamSourceLab's avatar
DreamSourceLab committed
229 230
}

DreamSourceLab's avatar
DreamSourceLab committed
231
void View::set_all_update(bool need_update)
DreamSourceLab's avatar
DreamSourceLab committed
232
{
DreamSourceLab's avatar
DreamSourceLab committed
233 234
    BOOST_FOREACH(Viewport *viewport, _viewport_list)
        viewport->set_need_update(need_update);
DreamSourceLab's avatar
DreamSourceLab committed
235 236
}

DreamSourceLab's avatar
DreamSourceLab committed
237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260
void View::update_sample(bool instant)
{
    _session.get_device()->set_config(NULL, NULL, SR_CONF_INSTANT, g_variant_new_boolean(instant));
    BOOST_FOREACH(const boost::shared_ptr<pv::view::Signal> s, _session.get_signals()) {
        boost::shared_ptr<pv::view::DsoSignal> dsoSig;
        if (dsoSig = dynamic_pointer_cast<pv::view::DsoSignal>(s)) {
            dsoSig->go_hDialCur();
            break;
        }
    }
}

void View::set_sample_rate(uint64_t sample_rate, bool force)
{
    if (_session.get_capture_state() != pv::SigSession::Stopped || force)
        _sampling_bar->set_sample_rate(sample_rate);
}

void View::set_sample_limit(uint64_t sample_limit, bool force)
{
    if (_session.get_capture_state() != pv::SigSession::Stopped || force)
        _sampling_bar->set_sample_limit(sample_limit);
}

DreamSourceLab's avatar
DreamSourceLab committed
261 262 263 264 265 266 267
void View::zoom(double steps, int offset)
{
    //if (_session.get_capture_state() == SigSession::Stopped) {
        _preScale = _scale;
        _preOffset = _offset;

        const double cursor_offset = _offset + _scale * offset;
DreamSourceLab's avatar
DreamSourceLab committed
268
        if (_session.get_device()->dev_inst()->mode != DSO) {
DreamSourceLab's avatar
DreamSourceLab committed
269
            _scale *= std::pow(3.0/2.0, -steps);
DreamSourceLab's avatar
v0.3  
DreamSourceLab committed
270
            _scale = max(min(_scale, _maxscale), _minscale);
DreamSourceLab's avatar
DreamSourceLab committed
271
        }else {
272
            const vector< boost::shared_ptr<Signal> > sigs(_session.get_signals());
DreamSourceLab's avatar
DreamSourceLab committed
273
            bool setted = false;
274 275
            BOOST_FOREACH(const boost::shared_ptr<Signal> s, sigs) {
                boost::shared_ptr<DsoSignal> dsoSig;
DreamSourceLab's avatar
DreamSourceLab committed
276 277
                if (dsoSig = dynamic_pointer_cast<DsoSignal>(s)) {
                    if(steps > 0.5)
DreamSourceLab's avatar
DreamSourceLab committed
278
                        dsoSig->go_hDialPre(setted);
DreamSourceLab's avatar
DreamSourceLab committed
279
                    else if (steps < -0.5)
DreamSourceLab's avatar
DreamSourceLab committed
280 281 282 283
                        dsoSig->go_hDialNext(setted);
                    else
                        break;
                    setted = true;
DreamSourceLab's avatar
DreamSourceLab committed
284
                }
DreamSourceLab's avatar
v0.3  
DreamSourceLab committed
285 286
            }
        }
287

DreamSourceLab's avatar
DreamSourceLab committed
288 289
        _offset = cursor_offset - _scale * offset;
        _offset = max(min(_offset, get_max_offset()), get_min_offset());
DreamSourceLab's avatar
DreamSourceLab committed
290 291

        if (_scale != _preScale || _offset != _preOffset) {
DreamSourceLab's avatar
v0.3  
DreamSourceLab committed
292
            _header->update();
DreamSourceLab's avatar
DreamSourceLab committed
293
            _ruler->update();
DreamSourceLab's avatar
DreamSourceLab committed
294
            viewport_update();
DreamSourceLab's avatar
DreamSourceLab committed
295 296 297 298 299 300 301 302 303 304 305 306
            update_scroll();
        }
    //}
}


void View::set_scale_offset(double scale, double offset)
{
    //if (_session.get_capture_state() == SigSession::Stopped) {
        _preScale = _scale;
        _preOffset = _offset;

DreamSourceLab's avatar
DreamSourceLab committed
307
        _scale = max(min(scale, _maxscale), _minscale);
308
        _offset = max(min(offset, get_max_offset()), get_min_offset());
DreamSourceLab's avatar
DreamSourceLab committed
309 310 311

        if (_scale != _preScale || _offset != _preOffset) {
            update_scroll();
DreamSourceLab's avatar
DreamSourceLab committed
312
            _header->update();
DreamSourceLab's avatar
DreamSourceLab committed
313
            _ruler->update();
DreamSourceLab's avatar
DreamSourceLab committed
314
            viewport_update();
DreamSourceLab's avatar
DreamSourceLab committed
315 316 317 318 319 320 321 322 323 324 325 326 327
        }
    //}
}

void View::set_preScale_preOffset()
{
    //assert(_preScale <= _maxscale);
    //assert(_preScale >= _minscale);
    //assert(_preOffset >= 0);

    set_scale_offset(_preScale, _preOffset);
}

DreamSourceLab's avatar
DreamSourceLab committed
328
vector< boost::shared_ptr<Trace> > View::get_traces(int type)
DreamSourceLab's avatar
DreamSourceLab committed
329
{
330
    const vector< boost::shared_ptr<Signal> > sigs(_session.get_signals());
DreamSourceLab's avatar
DreamSourceLab committed
331
    const vector< boost::shared_ptr<GroupSignal> > groups(_session.get_group_signals());
DreamSourceLab's avatar
DreamSourceLab committed
332
#ifdef ENABLE_DECODE
333
    const vector< boost::shared_ptr<DecodeTrace> > decode_sigs(
DreamSourceLab's avatar
DreamSourceLab committed
334 335
        _session.get_decode_signals());
#endif
DreamSourceLab's avatar
DreamSourceLab committed
336
    const vector< boost::shared_ptr<MathTrace> > maths(_session.get_math_signals());
DreamSourceLab's avatar
DreamSourceLab committed
337

DreamSourceLab's avatar
DreamSourceLab committed
338 339 340 341 342
    vector< boost::shared_ptr<Trace> > traces;
    BOOST_FOREACH(boost::shared_ptr<Trace> t, sigs) {
        if (type == ALL_VIEW || _trace_view_map[t->get_type()] == type)
            traces.push_back(t);
    }
DreamSourceLab's avatar
DreamSourceLab committed
343
#ifdef ENABLE_DECODE
DreamSourceLab's avatar
DreamSourceLab committed
344 345 346 347
    BOOST_FOREACH(boost::shared_ptr<Trace> t, decode_sigs) {
        if (type == ALL_VIEW || _trace_view_map[t->get_type()] == type)
            traces.push_back(t);
    }
DreamSourceLab's avatar
DreamSourceLab committed
348
#endif
DreamSourceLab's avatar
DreamSourceLab committed
349 350 351 352 353 354 355 356 357
    BOOST_FOREACH(boost::shared_ptr<Trace> t, groups) {
        if (type == ALL_VIEW || _trace_view_map[t->get_type()] == type)
            traces.push_back(t);
    }

    BOOST_FOREACH(boost::shared_ptr<Trace> t, maths) {
        if (type == ALL_VIEW || _trace_view_map[t->get_type()] == type)
            traces.push_back(t);
    }
DreamSourceLab's avatar
DreamSourceLab committed
358 359 360 361 362

    stable_sort(traces.begin(), traces.end(), compare_trace_v_offsets);
    return traces;
}

363 364
bool View::compare_trace_v_offsets(const boost::shared_ptr<Trace> &a,
    const boost::shared_ptr<Trace> &b)
DreamSourceLab's avatar
DreamSourceLab committed
365 366 367
{
    assert(a);
    assert(b);
368 369 370 371
    if (a->get_type() != b->get_type())
        return a->get_type() > b->get_type();
    else
        return a->get_v_offset() < b->get_v_offset();
DreamSourceLab's avatar
DreamSourceLab committed
372 373
}

DreamSourceLab's avatar
DreamSourceLab committed
374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392
bool View::cursors_shown() const
{
	return _show_cursors;
}

bool View::trig_cursor_shown() const
{
    return _show_trig_cursor;
}

bool View::search_cursor_shown() const
{
    return _show_search_cursor;
}

void View::show_cursors(bool show)
{
	_show_cursors = show;
	_ruler->update();
DreamSourceLab's avatar
DreamSourceLab committed
393
    viewport_update();
DreamSourceLab's avatar
DreamSourceLab committed
394 395 396 397 398 399
}

void View::show_trig_cursor(bool show)
{
    _show_trig_cursor = show;
    _ruler->update();
DreamSourceLab's avatar
DreamSourceLab committed
400
    viewport_update();
DreamSourceLab's avatar
DreamSourceLab committed
401 402 403 404 405 406
}

void View::show_search_cursor(bool show)
{
    _show_search_cursor = show;
    _ruler->update();
DreamSourceLab's avatar
DreamSourceLab committed
407
    viewport_update();
DreamSourceLab's avatar
DreamSourceLab committed
408 409
}

410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446
void View::status_clear()
{
    _viewbottom->clear();
}

void View::receive_header()
{
    status_clear();
}

void View::frame_began()
{
    if (_session.get_device()->dev_inst()->mode == LOGIC)
        _viewbottom->set_trig_time(_session.get_trigger_time());
}

void View::receive_end()
{
    if (_session.get_device()->dev_inst()->mode == LOGIC) {
        GVariant *gvar = _session.get_device()->get_config(NULL, NULL, SR_CONF_RLE);
        if (gvar != NULL) {
            bool rle = g_variant_get_boolean(gvar);
            g_variant_unref(gvar);
            if (rle) {
                gvar = _session.get_device()->get_config(NULL, NULL, SR_CONF_ACTUAL_SAMPLES);
                if (gvar != NULL) {
                    uint64_t actual_samples = g_variant_get_uint64(gvar);
                    g_variant_unref(gvar);
                    if (actual_samples != _session.cur_samplelimits()) {
                        _viewbottom->set_rle_depth(actual_samples);
                    }
                }
            }
        }
    }
}

DreamSourceLab's avatar
DreamSourceLab committed
447 448
void View::set_trig_pos(quint64 trig_pos)
{
449
    const double time = trig_pos * 1.0 / _session.cur_samplerate();
450
    _trig_cursor->set_index(trig_pos);
451
    if (ds_trigger_get_en() || _session.get_device()->name() == "virtual-session") {
452 453 454
        _show_trig_cursor = true;
        set_scale_offset(_scale,  time - _scale * get_view_width() / 2);
    }
455

DreamSourceLab's avatar
DreamSourceLab committed
456
    _ruler->update();
DreamSourceLab's avatar
DreamSourceLab committed
457
    viewport_update();
DreamSourceLab's avatar
DreamSourceLab committed
458 459 460 461 462 463
}

void View::set_search_pos(uint64_t search_pos)
{
    //assert(search_pos >= 0);

464
    const double time = search_pos * 1.0 / _session.cur_samplerate();
DreamSourceLab's avatar
DreamSourceLab committed
465
    _search_pos = search_pos;
466
    _search_cursor->set_index(search_pos);
DreamSourceLab's avatar
DreamSourceLab committed
467
    set_scale_offset(_scale,  time - _scale * get_view_width() / 2);
DreamSourceLab's avatar
DreamSourceLab committed
468
    _ruler->update();
DreamSourceLab's avatar
DreamSourceLab committed
469
    viewport_update();
DreamSourceLab's avatar
DreamSourceLab committed
470 471 472 473 474 475 476 477 478 479 480 481 482 483
}

uint64_t View::get_search_pos()
{
    return _search_pos;
}

const QPointF& View::hover_point() const
{
	return _hover_point;
}

void View::normalize_layout()
{
DreamSourceLab's avatar
DreamSourceLab committed
484
    const vector< boost::shared_ptr<Trace> > traces(get_traces(ALL_VIEW));
DreamSourceLab's avatar
DreamSourceLab committed
485 486

	int v_min = INT_MAX;
487
    BOOST_FOREACH(const boost::shared_ptr<Trace> t, traces)
DreamSourceLab's avatar
DreamSourceLab committed
488
        v_min = min(t->get_v_offset(), v_min);
DreamSourceLab's avatar
DreamSourceLab committed
489 490

	const int delta = -min(v_min, 0);
491
    BOOST_FOREACH(boost::shared_ptr<Trace> t, traces)
DreamSourceLab's avatar
DreamSourceLab committed
492
        t->set_v_offset(t->get_v_offset() + delta);
DreamSourceLab's avatar
DreamSourceLab committed
493

DreamSourceLab's avatar
DreamSourceLab committed
494
    verticalScrollBar()->setSliderPosition(delta);
DreamSourceLab's avatar
DreamSourceLab committed
495 496 497 498 499 500 501 502 503 504 505
	v_scroll_value_changed(verticalScrollBar()->sliderPosition());
}


int View::get_spanY()
{
    return _spanY;
}

int View::get_signalHeight()
{
DreamSourceLab's avatar
DreamSourceLab committed
506
    return _signalHeight;
DreamSourceLab's avatar
DreamSourceLab committed
507 508 509 510
}

void View::get_scroll_layout(double &length, double &offset) const
{
511
    const set< boost::shared_ptr<data::SignalData> > data_set = _session.get_data();
DreamSourceLab's avatar
DreamSourceLab committed
512
    if (data_set.empty())
DreamSourceLab's avatar
DreamSourceLab committed
513 514
		return;

515
    length = _session.get_device()->get_sample_time() / _scale;
DreamSourceLab's avatar
DreamSourceLab committed
516 517 518 519 520
	offset = _offset / _scale;
}

void View::update_scroll()
{
DreamSourceLab's avatar
DreamSourceLab committed
521
    assert(_viewcenter);
DreamSourceLab's avatar
DreamSourceLab committed
522

DreamSourceLab's avatar
DreamSourceLab committed
523
    const QSize areaSize = _viewcenter->size();
DreamSourceLab's avatar
DreamSourceLab committed
524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546

	// Set the horizontal scroll bar
	double length = 0, offset = 0;
	get_scroll_layout(length, offset);
	length = max(length - areaSize.width(), 0.0);

	horizontalScrollBar()->setPageStep(areaSize.width() / 2);

	_updating_scroll = true;

	if (length < MaxScrollValue) {
		horizontalScrollBar()->setRange(0, length);
		horizontalScrollBar()->setSliderPosition(offset);
	} else {
		horizontalScrollBar()->setRange(0, MaxScrollValue);
		horizontalScrollBar()->setSliderPosition(
			_offset * MaxScrollValue / (_scale * length));
	}

	_updating_scroll = false;

	// Set the vertical scrollbar
	verticalScrollBar()->setPageStep(areaSize.height());
DreamSourceLab's avatar
DreamSourceLab committed
547
    verticalScrollBar()->setRange(0,0);
DreamSourceLab's avatar
DreamSourceLab committed
548 549
}

550
void View::update_scale_offset()
DreamSourceLab's avatar
DreamSourceLab committed
551
{
552
    const uint64_t sample_rate = _session.cur_samplerate();
DreamSourceLab's avatar
DreamSourceLab committed
553 554 555
    assert(sample_rate > 0);

    if (_session.get_device()->dev_inst()->mode != DSO) {
556 557
        //_scale = (1.0 / sample_rate) / WellPixelsPerSample;
        _maxscale = _session.cur_sampletime() / (get_view_width() * MaxViewRate);
DreamSourceLab's avatar
DreamSourceLab committed
558
    } else {
559
        _scale = _session.get_device()->get_time_base() * 10.0 / get_view_width() * std::pow(10.0, -9.0);
DreamSourceLab's avatar
DreamSourceLab committed
560 561
        _maxscale = 1e9;
    }
562
    _minscale = (1.0 / sample_rate) / MaxPixelsPerSample;
563 564 565 566

    _scale = max(min(_scale, _maxscale), _minscale);
    _offset = max(min(_offset, get_max_offset()), get_min_offset());

DreamSourceLab's avatar
DreamSourceLab committed
567
    _preScale = _scale;
568
    _preOffset = _offset;
DreamSourceLab's avatar
DreamSourceLab committed
569

570
    _trig_cursor->set_index(_session.get_trigger_pos());
DreamSourceLab's avatar
DreamSourceLab committed
571 572

    _ruler->update();
DreamSourceLab's avatar
DreamSourceLab committed
573
    viewport_update();
DreamSourceLab's avatar
DreamSourceLab committed
574 575 576 577 578
}

void View::signals_changed()
{
    int total_rows = 0;
579
    uint8_t max_height = MaxHeightUnit;
DreamSourceLab's avatar
DreamSourceLab committed
580 581
    vector< boost::shared_ptr<Trace> > time_traces;
    vector< boost::shared_ptr<Trace> > fft_traces;
582 583 584 585 586 587

    if (_session.get_device()->dev_inst()->mode == LOGIC)
        _viewbottom->setFixedHeight(StatusHeight);
    else
        _viewbottom->setFixedHeight(10);

DreamSourceLab's avatar
DreamSourceLab committed
588 589 590 591 592 593
    BOOST_FOREACH(const boost::shared_ptr<Trace> t, get_traces(ALL_VIEW)) {
        if (_trace_view_map[t->get_type()] == TIME_VIEW)
            time_traces.push_back(t);
        else if (_trace_view_map[t->get_type()] == FFT_VIEW)
            if (t->enabled())
                fft_traces.push_back(t);
DreamSourceLab's avatar
DreamSourceLab committed
594
    }
DreamSourceLab's avatar
DreamSourceLab committed
595

DreamSourceLab's avatar
DreamSourceLab committed
596 597 598 599 600 601 602 603 604 605 606 607
    if (!fft_traces.empty()) {
        if (!_fft_viewport->isVisible()) {
            _fft_viewport->setVisible(true);
            _fft_viewport->clear_measure();
            _viewport_list.push_back(_fft_viewport);
            _vsplitter->refresh();
        }
        BOOST_FOREACH(boost::shared_ptr<Trace> t, fft_traces) {
            t->set_view(this);
            t->set_viewport(_fft_viewport);
            t->set_totalHeight(_fft_viewport->height());
            t->set_v_offset(_fft_viewport->geometry().bottom());
608 609
        }
    } else {
DreamSourceLab's avatar
DreamSourceLab committed
610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662
        _fft_viewport->setVisible(false);
        _vsplitter->refresh();

        // Find the decoder in the stack
        std::list< Viewport *>::iterator iter = _viewport_list.begin();
        for(int i = 0; i < _viewport_list.size(); i++, iter++)
            if ((*iter) == _fft_viewport)
                break;
        // Delete the element
        if (iter != _viewport_list.end())
            _viewport_list.erase(iter);
    }

    if (!time_traces.empty() && _time_viewport) {
        BOOST_FOREACH(const boost::shared_ptr<Trace> t, time_traces) {
            assert(t);
            if (dynamic_pointer_cast<DsoSignal>(t) ||
                t->enabled())
                total_rows += t->rows_size();
        }

        const double height = (_time_viewport->height()
                               - 2 * SignalMargin * time_traces.size()) * 1.0 / total_rows;

        if (_session.get_device()->dev_inst()->mode == LOGIC) {
            GVariant* gvar = _session.get_device()->get_config(NULL, NULL, SR_CONF_MAX_HEIGHT_VALUE);
            if (gvar != NULL) {
                max_height = (g_variant_get_byte(gvar) + 1) * MaxHeightUnit;
                g_variant_unref(gvar);
            }
            _signalHeight = (int)((height <= 0) ? 1 : (height >= max_height) ? max_height : height);
        } else if (_session.get_device()->dev_inst()->mode == DSO) {
            _signalHeight = (_header->height()
                             - horizontalScrollBar()->height()
                             - 2 * SignalMargin * time_traces.size()) * 1.0 / total_rows;
        } else {
            _signalHeight = (int)((height <= 0) ? 1 : height);
        }
        _spanY = _signalHeight + 2 * SignalMargin;
        int next_v_offset = SignalMargin;
        BOOST_FOREACH(boost::shared_ptr<Trace> t, time_traces) {
            t->set_view(this);
            t->set_viewport(_time_viewport);
            const double traceHeight = _signalHeight*t->rows_size();
            t->set_totalHeight((int)traceHeight);
            t->set_v_offset(next_v_offset + 0.5 * traceHeight + SignalMargin);
            next_v_offset += traceHeight + 2 * SignalMargin;

            boost::shared_ptr<view::DsoSignal> dsoSig;
            if (dsoSig = dynamic_pointer_cast<view::DsoSignal>(t))
                dsoSig->set_scale(dsoSig->get_view_rect().height() / 256.0f);
        }
        _time_viewport->clear_measure();
663
    }
DreamSourceLab's avatar
DreamSourceLab committed
664 665 666

    header_updated();
    normalize_layout();
667
    update_scale_offset();
668
    data_updated();
DreamSourceLab's avatar
DreamSourceLab committed
669 670 671 672 673 674 675
}

bool View::eventFilter(QObject *object, QEvent *event)
{
	const QEvent::Type type = event->type();
	if (type == QEvent::MouseMove) {
		const QMouseEvent *const mouse_event = (QMouseEvent*)event;
DreamSourceLab's avatar
DreamSourceLab committed
676
        if (object == _ruler || object == _time_viewport || object == _fft_viewport) {
DreamSourceLab's avatar
DreamSourceLab committed
677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717
            //_hover_point = QPoint(mouse_event->x(), 0);
            double cur_periods = (mouse_event->pos().x() * _scale + _offset) / _ruler->get_min_period();
            double integer_x = (round(cur_periods) * _ruler->get_min_period() - _offset ) / _scale;
            double cur_deviate_x = qAbs(mouse_event->pos().x() - integer_x);
            if (cur_deviate_x < 10)
                _hover_point = QPointF(integer_x, mouse_event->pos().y());
            else
                _hover_point = mouse_event->pos();
        } else if (object == _header)
			_hover_point = QPoint(0, mouse_event->y());
		else
			_hover_point = QPoint(-1, -1);

		hover_point_changed();
	} else if (type == QEvent::Leave) {
		_hover_point = QPoint(-1, -1);
		hover_point_changed();
	}

	return QObject::eventFilter(object, event);
}

bool View::viewportEvent(QEvent *e)
{
	switch(e->type()) {
	case QEvent::Paint:
	case QEvent::MouseButtonPress:
	case QEvent::MouseButtonRelease:
	case QEvent::MouseButtonDblClick:
	case QEvent::MouseMove:
	case QEvent::Wheel:
		return false;

	default:
		return QAbstractScrollArea::viewportEvent(e);
	}
}

int View::headerWidth()
{
    int headerWidth;
718
    int maxNameWidth = 25;
DreamSourceLab's avatar
DreamSourceLab committed
719 720
    int maxLeftWidth = 0;
    int maxRightWidth = 0;
DreamSourceLab's avatar
v0.3  
DreamSourceLab committed
721

DreamSourceLab's avatar
v0.21  
DreamSourceLab committed
722 723 724
    QFont font = QApplication::font();
    QFontMetrics fm(font);

DreamSourceLab's avatar
DreamSourceLab committed
725
    const vector< boost::shared_ptr<Trace> > traces(get_traces(ALL_VIEW));
DreamSourceLab's avatar
DreamSourceLab committed
726
    if (!traces.empty()){
727
        BOOST_FOREACH(const boost::shared_ptr<Trace> t, traces) {
DreamSourceLab's avatar
DreamSourceLab committed
728 729 730
            maxNameWidth = max(fm.boundingRect(t->get_name()).width(), maxNameWidth);
            maxLeftWidth = max(t->get_leftWidth(), maxLeftWidth);
            maxRightWidth = max(t->get_rightWidth(), maxRightWidth);
DreamSourceLab's avatar
DreamSourceLab committed
731 732 733 734 735 736 737 738 739 740 741 742
        }
    }
    maxNameWidth = max(_header->get_nameEditWidth(), maxNameWidth);
    headerWidth = maxLeftWidth + maxNameWidth + maxRightWidth;

    setViewportMargins(headerWidth, RulerHeight, 0, 0);

    return headerWidth;
}

void View::resizeEvent(QResizeEvent*)
{
DreamSourceLab's avatar
DreamSourceLab committed
743
    setViewportMargins(headerWidth(), RulerHeight, 0, 0);
DreamSourceLab's avatar
DreamSourceLab committed
744 745
    update_margins();
    update_scroll();
DreamSourceLab's avatar
DreamSourceLab committed
746
    signals_changed();
DreamSourceLab's avatar
DreamSourceLab committed
747
    if (_session.get_device()->dev_inst()->mode == DSO)
DreamSourceLab's avatar
DreamSourceLab committed
748
        _scale = _session.get_device()->get_time_base() * std::pow(10.0, -9.0) * DS_CONF_DSO_HDIVS / get_view_width();
DreamSourceLab's avatar
DreamSourceLab committed
749

750
    if (_session.get_device()->dev_inst()->mode != DSO)
751
        _maxscale = _session.cur_sampletime() / (get_view_width() * MaxViewRate);
752 753 754
    else
        _maxscale = 1e9;

DreamSourceLab's avatar
DreamSourceLab committed
755 756 757
    _scale = min(_scale, _maxscale);

    _ruler->update();
DreamSourceLab's avatar
DreamSourceLab committed
758
    _header->header_resize();
DreamSourceLab's avatar
DreamSourceLab committed
759 760
    set_update(_time_viewport, true);
    set_update(_fft_viewport, true);
DreamSourceLab's avatar
DreamSourceLab committed
761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778
}

void View::h_scroll_value_changed(int value)
{
	if (_updating_scroll)
		return;

    _preOffset = _offset;

	const int range = horizontalScrollBar()->maximum();
	if (range < MaxScrollValue)
		_offset = _scale * value;
	else {
		double length = 0, offset;
		get_scroll_layout(length, offset);
		_offset = _scale * length * value / MaxScrollValue;
	}

779
    _offset = max(min(_offset, get_max_offset()), get_min_offset());
DreamSourceLab's avatar
DreamSourceLab committed
780 781 782

    if (_offset != _preOffset) {
        _ruler->update();
DreamSourceLab's avatar
DreamSourceLab committed
783
        viewport_update();
DreamSourceLab's avatar
DreamSourceLab committed
784 785 786 787 788 789
    }
}

void View::v_scroll_value_changed(int value)
{
	_header->update();
DreamSourceLab's avatar
DreamSourceLab committed
790
    viewport_update();
DreamSourceLab's avatar
DreamSourceLab committed
791 792 793 794 795 796 797 798 799 800 801
}

void View::data_updated()
{
    setViewportMargins(headerWidth(), RulerHeight, 0, 0);
    update_margins();

	// Update the scroll bars
	update_scroll();

	// Repaint the view
DreamSourceLab's avatar
DreamSourceLab committed
802 803 804
    set_update(_time_viewport, true);
    set_update(_fft_viewport, true);
    viewport_update();
DreamSourceLab's avatar
DreamSourceLab committed
805 806 807 808
}

void View::update_margins()
{
DreamSourceLab's avatar
DreamSourceLab committed
809 810 811 812
    _ruler->setGeometry(_viewcenter->x(), 0,
        get_view_width(), _viewcenter->y());
    _header->setGeometry(0, _viewcenter->y(),
        _viewcenter->x(), _viewcenter->height());
DreamSourceLab's avatar
DreamSourceLab committed
813
    _devmode->setGeometry(0, 0,
DreamSourceLab's avatar
DreamSourceLab committed
814
        _viewcenter->x(), _viewcenter->y());
DreamSourceLab's avatar
DreamSourceLab committed
815 816 817 818 819 820 821 822 823 824
}

void View::header_updated()
{
    headerWidth();
    update_margins();

    // Update the scroll bars
    update_scroll();

DreamSourceLab's avatar
DreamSourceLab committed
825
    viewport_update();
DreamSourceLab's avatar
DreamSourceLab committed
826 827 828 829 830 831
    _header->update();
}

void View::marker_time_changed()
{
	_ruler->update();
DreamSourceLab's avatar
DreamSourceLab committed
832
    viewport_update();
DreamSourceLab's avatar
DreamSourceLab committed
833 834
}

DreamSourceLab's avatar
DreamSourceLab committed
835
void View::on_traces_moved()
DreamSourceLab's avatar
DreamSourceLab committed
836 837
{
	update_scroll();
DreamSourceLab's avatar
DreamSourceLab committed
838 839
    set_update(_time_viewport, true);
    viewport_update();
DreamSourceLab's avatar
DreamSourceLab committed
840
    //traces_moved();
DreamSourceLab's avatar
DreamSourceLab committed
841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865
}

/*
 * cursorList
 */
std::list<Cursor*>& View::get_cursorList()
{
    return _cursorList;
}

Cursor* View::get_trig_cursor()
{
    return _trig_cursor;
}

Cursor* View::get_search_cursor()
{
    return _search_cursor;
}

Ruler* View::get_ruler()
{
    return _ruler;
}

866
void View::add_cursor(QColor color, uint64_t index)
DreamSourceLab's avatar
DreamSourceLab committed
867
{
868
    Cursor *newCursor = new Cursor(*this, color, index);
DreamSourceLab's avatar
DreamSourceLab committed
869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888
    _cursorList.push_back(newCursor);
    cursor_update();
}

void View::del_cursor(Cursor* cursor)
{
    assert(cursor);

    _cursorList.remove(cursor);
    delete cursor;
    cursor_update();
}

void View::set_cursor_middle(int index)
{
    assert(index < (int)_cursorList.size());

    list<Cursor*>::iterator i = _cursorList.begin();
    while (index-- != 0)
            i++;
889
    set_scale_offset(_scale, (*i)->index() * 1.0 / _session.cur_samplerate() - _scale * get_view_width() / 2);
DreamSourceLab's avatar
DreamSourceLab committed
890 891
}

DreamSourceLab's avatar
DreamSourceLab committed
892 893 894 895 896 897 898
void View::on_measure_updated()
{
    _active_viewport = dynamic_cast<Viewport *>(sender());
    measure_updated();
}

QString View::get_measure(QString option)
DreamSourceLab's avatar
DreamSourceLab committed
899
{
DreamSourceLab's avatar
DreamSourceLab committed
900 901 902 903
    if (_active_viewport) {
        return _active_viewport->get_measure(option);
    }
    return "#####";
DreamSourceLab's avatar
DreamSourceLab committed
904 905 906 907
}

QString View::get_cm_time(int index)
{
908
    return _ruler->format_real_time(get_cursor_samples(index), _session.cur_samplerate());
DreamSourceLab's avatar
DreamSourceLab committed
909 910 911 912 913 914 915
}

QString View::get_cm_delta(int index1, int index2)
{
    if (index1 == index2)
        return "0";

916 917 918
    uint64_t samples1 = get_cursor_samples(index1);
    uint64_t samples2 = get_cursor_samples(index2);
    uint64_t delta_sample = (samples1 > samples2) ? samples1 - samples2 : samples2 - samples1;
919
    return _ruler->format_real_time(delta_sample, _session.cur_samplerate());
DreamSourceLab's avatar
DreamSourceLab committed
920 921
}

DreamSourceLab's avatar
DreamSourceLab committed
922 923
uint64_t View::get_cursor_samples(int index)
{
924
    assert(index < (int)_cursorList.size());
DreamSourceLab's avatar
DreamSourceLab committed
925

926 927 928 929 930 931 932 933
    int curIndex = 0;
    for (list<Cursor*>::iterator i = _cursorList.begin();
         i != _cursorList.end(); i++) {
        if (index == curIndex) {
            return (*i)->index();
        }
        curIndex++;
    }
DreamSourceLab's avatar
DreamSourceLab committed
934 935
}

DreamSourceLab's avatar
DreamSourceLab committed
936 937 938 939 940 941 942
void View::on_cursor_moved()
{
    cursor_moved();
}

void View::set_measure_en(int enable)
{
DreamSourceLab's avatar
DreamSourceLab committed
943 944
    BOOST_FOREACH(Viewport *viewport, _viewport_list)
            viewport->set_measure_en(enable);
DreamSourceLab's avatar
DreamSourceLab committed
945 946 947 948
}

void View::on_state_changed(bool stop)
{
DreamSourceLab's avatar
DreamSourceLab committed
949 950 951 952
    if (stop) {
        BOOST_FOREACH(Viewport *viewport, _viewport_list)
            viewport->stop_trigger_timer();
    }
953
    update_scale_offset();
DreamSourceLab's avatar
DreamSourceLab committed
954 955
}

DreamSourceLab's avatar
DreamSourceLab committed
956
int View::get_view_width()
DreamSourceLab's avatar
v0.3  
DreamSourceLab committed
957
{
DreamSourceLab's avatar
DreamSourceLab committed
958 959
    int view_width = 0;
    if (_session.get_device()->dev_inst()->mode == DSO) {
960 961
        const vector< boost::shared_ptr<Signal> > sigs(_session.get_signals());
        BOOST_FOREACH(const boost::shared_ptr<Signal> s, sigs) {
DreamSourceLab's avatar
DreamSourceLab committed
962 963 964
            view_width = max((double)view_width, s->get_view_rect().width());
        }
    } else {
DreamSourceLab's avatar
DreamSourceLab committed
965
        view_width = _viewcenter->width();
DreamSourceLab's avatar
DreamSourceLab committed
966
    }
DreamSourceLab's avatar
v0.3  
DreamSourceLab committed
967

DreamSourceLab's avatar
DreamSourceLab committed
968
    return view_width;
DreamSourceLab's avatar
v0.3  
DreamSourceLab committed
969 970
}

971 972 973 974 975 976 977 978 979
int View::get_view_height()
{
    int view_height = 0;
    if (_session.get_device()->dev_inst()->mode == DSO) {
        const vector< boost::shared_ptr<Signal> > sigs(_session.get_signals());
        BOOST_FOREACH(const boost::shared_ptr<Signal> s, sigs) {
            view_height = max((double)view_height, s->get_view_rect().height());
        }
    } else {
DreamSourceLab's avatar
DreamSourceLab committed
980
        view_height = _viewcenter->height();
981 982 983 984 985
    }

    return view_height;
}

986 987 988 989 990 991 992
double View::get_min_offset()
{
    return -(_scale * (get_view_width() * (1 - MaxViewRate)));
}

double View::get_max_offset()
{
993
    return _session.get_device()->get_sample_time()
994 995 996
            - _scale * (get_view_width() * MaxViewRate);
}

997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015
// -- calibration dialog
void View::show_calibration()
{
    _cali->set_device(_session.get_device());
    _cali->show();
}

void View::hide_calibration()
{
    _cali->hide();
}

void View::update_calibration()
{
    if (_cali->isVisible()) {
        _cali->set_device(_session.get_device());
    }
}

1016 1017 1018
void View::show_region(uint64_t start, uint64_t end)
{
    assert(start <= end);
1019
    const double ideal_scale = (end-start) * 2.0 / _session.cur_samplerate() / get_view_width();
1020
    const double new_scale = max(min(ideal_scale, _maxscale), _minscale);
1021
    const double new_off = (start + end)  * 0.5 / _session.cur_samplerate() - new_scale * get_view_width() / 2;
1022 1023 1024
    set_scale_offset(new_scale, new_off);
}

DreamSourceLab's avatar
DreamSourceLab committed
1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038
void View::viewport_update()
{
    _viewcenter->update();
    BOOST_FOREACH(Viewport *viewport, _viewport_list)
        viewport->update();
}

void View::splitterMoved(int pos, int index)
{
    (void)pos;
    (void)index;
    signals_changed();
}

DreamSourceLab's avatar
DreamSourceLab committed
1039 1040
} // namespace view
} // namespace pv