view.cpp 29.7 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
    connect(&_session, SIGNAL(receive_trigger(quint64)),
158
            this, SLOT(receive_trigger(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)));
165 166
    connect(&_session, SIGNAL(show_wait_trigger()),
            _time_viewport, SLOT(show_wait_trigger()));
DreamSourceLab's avatar
DreamSourceLab committed
167

168 169
//    connect(_devmode, SIGNAL(mode_changed()),
//            this, SIGNAL(mode_changed()));
DreamSourceLab's avatar
DreamSourceLab committed
170
    connect(_devmode, SIGNAL(mode_changed()),
171
            parent, SLOT(update_device_list()), Qt::DirectConnection);
DreamSourceLab's avatar
DreamSourceLab committed
172 173 174

    connect(_header, SIGNAL(traces_moved()),
        this, SLOT(on_traces_moved()));
DreamSourceLab's avatar
DreamSourceLab committed
175 176 177
    connect(_header, SIGNAL(header_updated()),
        this, SLOT(header_updated()));

DreamSourceLab's avatar
DreamSourceLab committed
178 179
    _time_viewport->installEventFilter(this);
    _fft_viewport->installEventFilter(this);
DreamSourceLab's avatar
DreamSourceLab committed
180 181
	_ruler->installEventFilter(this);
	_header->installEventFilter(this);
DreamSourceLab's avatar
DreamSourceLab committed
182
    _devmode->installEventFilter(this);
DreamSourceLab's avatar
DreamSourceLab committed
183

DreamSourceLab's avatar
DreamSourceLab committed
184
    _viewcenter->setObjectName(tr("ViewArea_center"));
DreamSourceLab's avatar
DreamSourceLab committed
185 186 187 188
    _ruler->setObjectName(tr("ViewArea_ruler"));
    _header->setObjectName(tr("ViewArea_header"));

    _show_trig_cursor = false;
189
    _trig_cursor = new Cursor(*this, Trace::dsLightRed, 0);
DreamSourceLab's avatar
DreamSourceLab committed
190 191
    _show_search_cursor = false;
    _search_pos = 0;
192
    _search_cursor = new Cursor(*this, Trace::dsLightBlue, _search_pos);
193 194 195

    _cali = new pv::dialogs::Calibration(this);
    _cali->hide();
DreamSourceLab's avatar
DreamSourceLab committed
196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224
}

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
225
    zoom(steps, get_view_width() / 2);
DreamSourceLab's avatar
DreamSourceLab committed
226 227
}

DreamSourceLab's avatar
DreamSourceLab committed
228
void View::set_update(Viewport *viewport, bool need_update)
DreamSourceLab's avatar
DreamSourceLab committed
229
{
DreamSourceLab's avatar
DreamSourceLab committed
230
    viewport->set_need_update(need_update);
DreamSourceLab's avatar
DreamSourceLab committed
231 232
}

DreamSourceLab's avatar
DreamSourceLab committed
233
void View::set_all_update(bool need_update)
DreamSourceLab's avatar
DreamSourceLab committed
234
{
DreamSourceLab's avatar
DreamSourceLab committed
235 236
    BOOST_FOREACH(Viewport *viewport, _viewport_list)
        viewport->set_need_update(need_update);
DreamSourceLab's avatar
DreamSourceLab committed
237 238
}

DreamSourceLab's avatar
DreamSourceLab committed
239 240 241 242 243 244 245 246 247 248 249 250 251 252
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)
{
253
    if (_session.get_capture_state() != pv::SigSession::Stopped || force) {
DreamSourceLab's avatar
DreamSourceLab committed
254
        _sampling_bar->set_sample_rate(sample_rate);
255 256
        _session.set_cur_samplerate(_session.get_device()->get_sample_rate());
    }
DreamSourceLab's avatar
DreamSourceLab committed
257 258 259 260
}

void View::set_sample_limit(uint64_t sample_limit, bool force)
{
261
    if (_session.get_capture_state() != pv::SigSession::Stopped || force) {
DreamSourceLab's avatar
DreamSourceLab committed
262
        _sampling_bar->set_sample_limit(sample_limit);
263 264 265 266
        const uint64_t final_limit = _session.get_device()->get_sample_limit();
        _trig_cursor->set_index(_trig_cursor->index() * 1.0 / _session.cur_samplelimits() * final_limit);
        _session.set_cur_samplelimits(final_limit);
    }
DreamSourceLab's avatar
DreamSourceLab committed
267 268
}

DreamSourceLab's avatar
DreamSourceLab committed
269 270 271 272 273 274 275
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
276
        if (_session.get_device()->dev_inst()->mode != DSO) {
DreamSourceLab's avatar
DreamSourceLab committed
277
            _scale *= std::pow(3.0/2.0, -steps);
DreamSourceLab's avatar
v0.3  
DreamSourceLab committed
278
            _scale = max(min(_scale, _maxscale), _minscale);
DreamSourceLab's avatar
DreamSourceLab committed
279
        }else {
280
            const vector< boost::shared_ptr<Signal> > sigs(_session.get_signals());
DreamSourceLab's avatar
DreamSourceLab committed
281
            bool setted = false;
282 283
            BOOST_FOREACH(const boost::shared_ptr<Signal> s, sigs) {
                boost::shared_ptr<DsoSignal> dsoSig;
DreamSourceLab's avatar
DreamSourceLab committed
284 285
                if (dsoSig = dynamic_pointer_cast<DsoSignal>(s)) {
                    if(steps > 0.5)
DreamSourceLab's avatar
DreamSourceLab committed
286
                        dsoSig->go_hDialPre(setted);
DreamSourceLab's avatar
DreamSourceLab committed
287
                    else if (steps < -0.5)
DreamSourceLab's avatar
DreamSourceLab committed
288 289 290 291
                        dsoSig->go_hDialNext(setted);
                    else
                        break;
                    setted = true;
DreamSourceLab's avatar
DreamSourceLab committed
292
                }
DreamSourceLab's avatar
v0.3  
DreamSourceLab committed
293 294
            }
        }
295

DreamSourceLab's avatar
DreamSourceLab committed
296 297
        _offset = cursor_offset - _scale * offset;
        _offset = max(min(_offset, get_max_offset()), get_min_offset());
DreamSourceLab's avatar
DreamSourceLab committed
298 299

        if (_scale != _preScale || _offset != _preOffset) {
DreamSourceLab's avatar
v0.3  
DreamSourceLab committed
300
            _header->update();
DreamSourceLab's avatar
DreamSourceLab committed
301
            _ruler->update();
DreamSourceLab's avatar
DreamSourceLab committed
302
            viewport_update();
DreamSourceLab's avatar
DreamSourceLab committed
303 304 305 306 307 308 309 310 311 312 313 314
            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
315
        _scale = max(min(scale, _maxscale), _minscale);
316
        _offset = max(min(offset, get_max_offset()), get_min_offset());
DreamSourceLab's avatar
DreamSourceLab committed
317 318 319

        if (_scale != _preScale || _offset != _preOffset) {
            update_scroll();
DreamSourceLab's avatar
DreamSourceLab committed
320
            _header->update();
DreamSourceLab's avatar
DreamSourceLab committed
321
            _ruler->update();
DreamSourceLab's avatar
DreamSourceLab committed
322
            viewport_update();
DreamSourceLab's avatar
DreamSourceLab committed
323 324 325 326 327 328 329 330 331 332 333 334 335
        }
    //}
}

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

    set_scale_offset(_preScale, _preOffset);
}

DreamSourceLab's avatar
DreamSourceLab committed
336
vector< boost::shared_ptr<Trace> > View::get_traces(int type)
DreamSourceLab's avatar
DreamSourceLab committed
337
{
338
    const vector< boost::shared_ptr<Signal> > sigs(_session.get_signals());
DreamSourceLab's avatar
DreamSourceLab committed
339
    const vector< boost::shared_ptr<GroupSignal> > groups(_session.get_group_signals());
DreamSourceLab's avatar
DreamSourceLab committed
340
#ifdef ENABLE_DECODE
341
    const vector< boost::shared_ptr<DecodeTrace> > decode_sigs(
DreamSourceLab's avatar
DreamSourceLab committed
342 343
        _session.get_decode_signals());
#endif
DreamSourceLab's avatar
DreamSourceLab committed
344
    const vector< boost::shared_ptr<MathTrace> > maths(_session.get_math_signals());
DreamSourceLab's avatar
DreamSourceLab committed
345

DreamSourceLab's avatar
DreamSourceLab committed
346 347 348 349 350
    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
351
#ifdef ENABLE_DECODE
DreamSourceLab's avatar
DreamSourceLab committed
352 353 354 355
    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
356
#endif
DreamSourceLab's avatar
DreamSourceLab committed
357 358 359 360 361 362 363 364 365
    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
366 367 368 369 370

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

371 372
bool View::compare_trace_v_offsets(const boost::shared_ptr<Trace> &a,
    const boost::shared_ptr<Trace> &b)
DreamSourceLab's avatar
DreamSourceLab committed
373 374 375
{
    assert(a);
    assert(b);
376 377 378 379
    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
380 381
}

DreamSourceLab's avatar
DreamSourceLab committed
382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400
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
401
    viewport_update();
DreamSourceLab's avatar
DreamSourceLab committed
402 403 404 405 406 407
}

void View::show_trig_cursor(bool show)
{
    _show_trig_cursor = show;
    _ruler->update();
DreamSourceLab's avatar
DreamSourceLab committed
408
    viewport_update();
DreamSourceLab's avatar
DreamSourceLab committed
409 410 411 412 413 414
}

void View::show_search_cursor(bool show)
{
    _show_search_cursor = show;
    _ruler->update();
DreamSourceLab's avatar
DreamSourceLab committed
415
    viewport_update();
DreamSourceLab's avatar
DreamSourceLab committed
416 417
}

418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452
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);
                    }
                }
            }
        }
    }
453
    _time_viewport->unshow_wait_trigger();
454 455
}

456
void View::receive_trigger(quint64 trig_pos)
DreamSourceLab's avatar
DreamSourceLab committed
457
{
458
    const double time = trig_pos * 1.0 / _session.cur_samplerate();
459
    _trig_cursor->set_index(trig_pos);
460 461 462
    if (ds_trigger_get_en() ||
        _session.get_device()->name() == "virtual-session" ||
        _session.get_device()->dev_inst()->mode == DSO) {
463 464 465
        _show_trig_cursor = true;
        set_scale_offset(_scale,  time - _scale * get_view_width() / 2);
    }
466

DreamSourceLab's avatar
DreamSourceLab committed
467
    _ruler->update();
DreamSourceLab's avatar
DreamSourceLab committed
468
    viewport_update();
DreamSourceLab's avatar
DreamSourceLab committed
469 470
}

471 472 473 474 475 476
void View::set_trig_pos(int percent)
{
    uint64_t index = _session.cur_samplelimits() * percent / 100;
    receive_trigger(index);
}

DreamSourceLab's avatar
DreamSourceLab committed
477 478 479 480
void View::set_search_pos(uint64_t search_pos)
{
    //assert(search_pos >= 0);

481
    const double time = search_pos * 1.0 / _session.cur_samplerate();
DreamSourceLab's avatar
DreamSourceLab committed
482
    _search_pos = search_pos;
483
    _search_cursor->set_index(search_pos);
DreamSourceLab's avatar
DreamSourceLab committed
484
    set_scale_offset(_scale,  time - _scale * get_view_width() / 2);
DreamSourceLab's avatar
DreamSourceLab committed
485
    _ruler->update();
DreamSourceLab's avatar
DreamSourceLab committed
486
    viewport_update();
DreamSourceLab's avatar
DreamSourceLab committed
487 488 489 490 491 492 493
}

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

494
const QPoint& View::hover_point() const
DreamSourceLab's avatar
DreamSourceLab committed
495 496 497 498 499 500
{
	return _hover_point;
}

void View::normalize_layout()
{
DreamSourceLab's avatar
DreamSourceLab committed
501
    const vector< boost::shared_ptr<Trace> > traces(get_traces(ALL_VIEW));
DreamSourceLab's avatar
DreamSourceLab committed
502 503

	int v_min = INT_MAX;
504
    BOOST_FOREACH(const boost::shared_ptr<Trace> t, traces)
DreamSourceLab's avatar
DreamSourceLab committed
505
        v_min = min(t->get_v_offset(), v_min);
DreamSourceLab's avatar
DreamSourceLab committed
506 507

	const int delta = -min(v_min, 0);
508
    BOOST_FOREACH(boost::shared_ptr<Trace> t, traces)
DreamSourceLab's avatar
DreamSourceLab committed
509
        t->set_v_offset(t->get_v_offset() + delta);
DreamSourceLab's avatar
DreamSourceLab committed
510

DreamSourceLab's avatar
DreamSourceLab committed
511
    verticalScrollBar()->setSliderPosition(delta);
DreamSourceLab's avatar
DreamSourceLab committed
512 513 514 515 516 517 518 519 520 521 522
	v_scroll_value_changed(verticalScrollBar()->sliderPosition());
}


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

int View::get_signalHeight()
{
DreamSourceLab's avatar
DreamSourceLab committed
523
    return _signalHeight;
DreamSourceLab's avatar
DreamSourceLab committed
524 525 526 527
}

void View::get_scroll_layout(double &length, double &offset) const
{
528
    const set< boost::shared_ptr<data::SignalData> > data_set = _session.get_data();
DreamSourceLab's avatar
DreamSourceLab committed
529
    if (data_set.empty())
DreamSourceLab's avatar
DreamSourceLab committed
530 531
		return;

532
    length = _session.get_device()->get_sample_time() / _scale;
DreamSourceLab's avatar
DreamSourceLab committed
533 534 535 536 537
	offset = _offset / _scale;
}

void View::update_scroll()
{
DreamSourceLab's avatar
DreamSourceLab committed
538
    assert(_viewcenter);
DreamSourceLab's avatar
DreamSourceLab committed
539

DreamSourceLab's avatar
DreamSourceLab committed
540
    const QSize areaSize = _viewcenter->size();
DreamSourceLab's avatar
DreamSourceLab committed
541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563

	// 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
564
    verticalScrollBar()->setRange(0,0);
DreamSourceLab's avatar
DreamSourceLab committed
565 566
}

567
void View::update_scale_offset()
DreamSourceLab's avatar
DreamSourceLab committed
568
{
569
    const uint64_t sample_rate = _session.cur_samplerate();
DreamSourceLab's avatar
DreamSourceLab committed
570 571 572
    assert(sample_rate > 0);

    if (_session.get_device()->dev_inst()->mode != DSO) {
573 574
        //_scale = (1.0 / sample_rate) / WellPixelsPerSample;
        _maxscale = _session.cur_sampletime() / (get_view_width() * MaxViewRate);
DreamSourceLab's avatar
DreamSourceLab committed
575
    } else {
576
        _scale = _session.get_device()->get_time_base() * 10.0 / get_view_width() * std::pow(10.0, -9.0);
DreamSourceLab's avatar
DreamSourceLab committed
577 578
        _maxscale = 1e9;
    }
579
    _minscale = (1.0 / sample_rate) / MaxPixelsPerSample;
580 581 582 583

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

DreamSourceLab's avatar
DreamSourceLab committed
584
    _preScale = _scale;
585
    _preOffset = _offset;
DreamSourceLab's avatar
DreamSourceLab committed
586

587
    //_trig_cursor->set_index(_session.get_trigger_pos());
DreamSourceLab's avatar
DreamSourceLab committed
588 589

    _ruler->update();
DreamSourceLab's avatar
DreamSourceLab committed
590
    viewport_update();
DreamSourceLab's avatar
DreamSourceLab committed
591 592 593 594 595
}

void View::signals_changed()
{
    int total_rows = 0;
596
    uint8_t max_height = MaxHeightUnit;
DreamSourceLab's avatar
DreamSourceLab committed
597 598
    vector< boost::shared_ptr<Trace> > time_traces;
    vector< boost::shared_ptr<Trace> > fft_traces;
599 600 601 602 603 604

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

DreamSourceLab's avatar
DreamSourceLab committed
605 606 607 608 609 610
    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
611
    }
DreamSourceLab's avatar
DreamSourceLab committed
612

DreamSourceLab's avatar
DreamSourceLab committed
613 614 615 616 617 618 619 620 621 622 623 624
    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());
625 626
        }
    } else {
DreamSourceLab's avatar
DreamSourceLab committed
627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679
        _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();
680
    }
DreamSourceLab's avatar
DreamSourceLab committed
681 682 683

    header_updated();
    normalize_layout();
684
    update_scale_offset();
685
    data_updated();
DreamSourceLab's avatar
DreamSourceLab committed
686 687 688 689 690 691 692
}

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
693
        if (object == _ruler || object == _time_viewport || object == _fft_viewport) {
DreamSourceLab's avatar
DreamSourceLab committed
694 695
            //_hover_point = QPoint(mouse_event->x(), 0);
            double cur_periods = (mouse_event->pos().x() * _scale + _offset) / _ruler->get_min_period();
696
            int integer_x = (round(cur_periods) * _ruler->get_min_period() - _offset ) / _scale;
DreamSourceLab's avatar
DreamSourceLab committed
697 698
            double cur_deviate_x = qAbs(mouse_event->pos().x() - integer_x);
            if (cur_deviate_x < 10)
699
                _hover_point = QPoint(integer_x, mouse_event->pos().y());
DreamSourceLab's avatar
DreamSourceLab committed
700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734
            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;
735
    int maxNameWidth = 25;
DreamSourceLab's avatar
DreamSourceLab committed
736 737
    int maxLeftWidth = 0;
    int maxRightWidth = 0;
DreamSourceLab's avatar
v0.3  
DreamSourceLab committed
738

DreamSourceLab's avatar
v0.21  
DreamSourceLab committed
739 740 741
    QFont font = QApplication::font();
    QFontMetrics fm(font);

DreamSourceLab's avatar
DreamSourceLab committed
742
    const vector< boost::shared_ptr<Trace> > traces(get_traces(ALL_VIEW));
DreamSourceLab's avatar
DreamSourceLab committed
743
    if (!traces.empty()){
744
        BOOST_FOREACH(const boost::shared_ptr<Trace> t, traces) {
DreamSourceLab's avatar
DreamSourceLab committed
745 746 747
            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
748 749 750 751 752 753 754 755 756 757 758 759
        }
    }
    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
760
    setViewportMargins(headerWidth(), RulerHeight, 0, 0);
DreamSourceLab's avatar
DreamSourceLab committed
761 762
    update_margins();
    update_scroll();
DreamSourceLab's avatar
DreamSourceLab committed
763
    signals_changed();
DreamSourceLab's avatar
DreamSourceLab committed
764
    if (_session.get_device()->dev_inst()->mode == DSO)
DreamSourceLab's avatar
DreamSourceLab committed
765
        _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
766

767
    if (_session.get_device()->dev_inst()->mode != DSO)
768
        _maxscale = _session.cur_sampletime() / (get_view_width() * MaxViewRate);
769 770 771
    else
        _maxscale = 1e9;

DreamSourceLab's avatar
DreamSourceLab committed
772 773 774
    _scale = min(_scale, _maxscale);

    _ruler->update();
DreamSourceLab's avatar
DreamSourceLab committed
775
    _header->header_resize();
DreamSourceLab's avatar
DreamSourceLab committed
776 777
    set_update(_time_viewport, true);
    set_update(_fft_viewport, true);
DreamSourceLab's avatar
DreamSourceLab committed
778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795
}

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;
	}

796
    _offset = max(min(_offset, get_max_offset()), get_min_offset());
DreamSourceLab's avatar
DreamSourceLab committed
797 798 799

    if (_offset != _preOffset) {
        _ruler->update();
DreamSourceLab's avatar
DreamSourceLab committed
800
        viewport_update();
DreamSourceLab's avatar
DreamSourceLab committed
801 802 803 804 805 806
    }
}

void View::v_scroll_value_changed(int value)
{
	_header->update();
DreamSourceLab's avatar
DreamSourceLab committed
807
    viewport_update();
DreamSourceLab's avatar
DreamSourceLab committed
808 809 810 811 812 813 814 815 816 817 818
}

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

	// Update the scroll bars
	update_scroll();

	// Repaint the view
819
    _time_viewport->unshow_wait_trigger();
DreamSourceLab's avatar
DreamSourceLab committed
820 821 822
    set_update(_time_viewport, true);
    set_update(_fft_viewport, true);
    viewport_update();
DreamSourceLab's avatar
DreamSourceLab committed
823 824 825 826
}

void View::update_margins()
{
DreamSourceLab's avatar
DreamSourceLab committed
827 828 829 830
    _ruler->setGeometry(_viewcenter->x(), 0,
        get_view_width(), _viewcenter->y());
    _header->setGeometry(0, _viewcenter->y(),
        _viewcenter->x(), _viewcenter->height());
DreamSourceLab's avatar
DreamSourceLab committed
831
    _devmode->setGeometry(0, 0,
DreamSourceLab's avatar
DreamSourceLab committed
832
        _viewcenter->x(), _viewcenter->y());
DreamSourceLab's avatar
DreamSourceLab committed
833 834 835 836 837 838 839 840 841 842
}

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

    // Update the scroll bars
    update_scroll();

DreamSourceLab's avatar
DreamSourceLab committed
843
    viewport_update();
DreamSourceLab's avatar
DreamSourceLab committed
844 845 846 847 848 849
    _header->update();
}

void View::marker_time_changed()
{
	_ruler->update();
DreamSourceLab's avatar
DreamSourceLab committed
850
    viewport_update();
DreamSourceLab's avatar
DreamSourceLab committed
851 852
}

DreamSourceLab's avatar
DreamSourceLab committed
853
void View::on_traces_moved()
DreamSourceLab's avatar
DreamSourceLab committed
854 855
{
	update_scroll();
DreamSourceLab's avatar
DreamSourceLab committed
856 857
    set_update(_time_viewport, true);
    viewport_update();
DreamSourceLab's avatar
DreamSourceLab committed
858
    //traces_moved();
DreamSourceLab's avatar
DreamSourceLab committed
859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883
}

/*
 * 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;
}

884
void View::add_cursor(QColor color, uint64_t index)
DreamSourceLab's avatar
DreamSourceLab committed
885
{
886
    Cursor *newCursor = new Cursor(*this, color, index);
DreamSourceLab's avatar
DreamSourceLab committed
887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906
    _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++;
907
    set_scale_offset(_scale, (*i)->index() * 1.0 / _session.cur_samplerate() - _scale * get_view_width() / 2);
DreamSourceLab's avatar
DreamSourceLab committed
908 909
}

DreamSourceLab's avatar
DreamSourceLab committed
910 911 912 913 914 915 916
void View::on_measure_updated()
{
    _active_viewport = dynamic_cast<Viewport *>(sender());
    measure_updated();
}

QString View::get_measure(QString option)
DreamSourceLab's avatar
DreamSourceLab committed
917
{
DreamSourceLab's avatar
DreamSourceLab committed
918 919 920 921
    if (_active_viewport) {
        return _active_viewport->get_measure(option);
    }
    return "#####";
DreamSourceLab's avatar
DreamSourceLab committed
922 923 924 925
}

QString View::get_cm_time(int index)
{
926
    return _ruler->format_real_time(get_cursor_samples(index), _session.cur_samplerate());
DreamSourceLab's avatar
DreamSourceLab committed
927 928 929 930 931 932 933
}

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

934 935 936
    uint64_t samples1 = get_cursor_samples(index1);
    uint64_t samples2 = get_cursor_samples(index2);
    uint64_t delta_sample = (samples1 > samples2) ? samples1 - samples2 : samples2 - samples1;
937
    return _ruler->format_real_time(delta_sample, _session.cur_samplerate());
DreamSourceLab's avatar
DreamSourceLab committed
938 939
}

DreamSourceLab's avatar
DreamSourceLab committed
940 941
uint64_t View::get_cursor_samples(int index)
{
942
    assert(index < (int)_cursorList.size());
DreamSourceLab's avatar
DreamSourceLab committed
943

944 945 946 947 948 949 950 951
    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
952 953
}

DreamSourceLab's avatar
DreamSourceLab committed
954 955 956 957 958 959 960
void View::on_cursor_moved()
{
    cursor_moved();
}

void View::set_measure_en(int enable)
{
DreamSourceLab's avatar
DreamSourceLab committed
961 962
    BOOST_FOREACH(Viewport *viewport, _viewport_list)
            viewport->set_measure_en(enable);
DreamSourceLab's avatar
DreamSourceLab committed
963 964 965 966
}

void View::on_state_changed(bool stop)
{
DreamSourceLab's avatar
DreamSourceLab committed
967 968 969 970
    if (stop) {
        BOOST_FOREACH(Viewport *viewport, _viewport_list)
            viewport->stop_trigger_timer();
    }
971
    update_scale_offset();
DreamSourceLab's avatar
DreamSourceLab committed
972 973
}

974 975 976 977 978 979 980 981 982 983 984 985
QRect View::get_view_rect()
{
    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) {
            return s->get_view_rect();
        }
    } else {
        return _viewcenter->rect();
    }
}

DreamSourceLab's avatar
DreamSourceLab committed
986
int View::get_view_width()
DreamSourceLab's avatar
v0.3  
DreamSourceLab committed
987
{
DreamSourceLab's avatar
DreamSourceLab committed
988 989
    int view_width = 0;
    if (_session.get_device()->dev_inst()->mode == DSO) {
990 991
        const vector< boost::shared_ptr<Signal> > sigs(_session.get_signals());
        BOOST_FOREACH(const boost::shared_ptr<Signal> s, sigs) {
992
            view_width = max(view_width, s->get_view_rect().width());
DreamSourceLab's avatar
DreamSourceLab committed
993 994
        }
    } else {
DreamSourceLab's avatar
DreamSourceLab committed
995
        view_width = _viewcenter->width();
DreamSourceLab's avatar
DreamSourceLab committed
996
    }
DreamSourceLab's avatar
v0.3  
DreamSourceLab committed
997

DreamSourceLab's avatar
DreamSourceLab committed
998
    return view_width;
DreamSourceLab's avatar
v0.3  
DreamSourceLab committed
999 1000
}

1001 1002 1003 1004 1005 1006
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) {
1007
            view_height = max(view_height, s->get_view_rect().height());
1008 1009
        }
    } else {
DreamSourceLab's avatar
DreamSourceLab committed
1010
        view_height = _viewcenter->height();
1011 1012 1013 1014 1015
    }

    return view_height;
}

1016 1017 1018 1019 1020 1021 1022
double View::get_min_offset()
{
    return -(_scale * (get_view_width() * (1 - MaxViewRate)));
}

double View::get_max_offset()
{
1023
    return _session.get_device()->get_sample_time()
1024 1025 1026
            - _scale * (get_view_width() * MaxViewRate);
}

1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045
// -- 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());
    }
}

1046 1047 1048
void View::show_region(uint64_t start, uint64_t end)
{
    assert(start <= end);
1049
    const double ideal_scale = (end-start) * 2.0 / _session.cur_samplerate() / get_view_width();
1050
    const double new_scale = max(min(ideal_scale, _maxscale), _minscale);
1051
    const double new_off = (start + end)  * 0.5 / _session.cur_samplerate() - new_scale * get_view_width() / 2;
1052 1053 1054
    set_scale_offset(new_scale, new_off);
}

DreamSourceLab's avatar
DreamSourceLab committed
1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068
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
1069 1070
} // namespace view
} // namespace pv