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DSView/DSLogic-gui/pv/view/viewport.cpp
DreamSourceLab 95f2bf8964 v0.3
2014-06-29 19:27:43 +08:00

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/*
* This file is part of the DSLogic-gui project.
* DSLogic-gui is based on PulseView.
*
* Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
* Copyright (C) 2013 DreamSourceLab <dreamsourcelab@dreamsourcelab.com>
*
* 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 "view.h"
#include "viewport.h"
#include "ruler.h"
#include "signal.h"
#include "../data/logic.h"
#include "../data/logicsnapshot.h"
#include "../sigsession.h"
#include <QMouseEvent>
#include <QStyleOption>
#include <boost/foreach.hpp>
using namespace boost;
using namespace std;
namespace pv {
namespace view {
const int Viewport::HitCursorMargin = 3;
const int Viewport::NumSpanY = 5;
const int Viewport::NumMiniSpanY = 5;
const int Viewport::NumSpanX = 10;
Viewport::Viewport(View &parent) :
QWidget(&parent),
_view(parent),
_total_receive_len(0),
_zoom_rect_visible(false),
_measure_shown(false),
_cur_sample(0),
_nxt_sample(1),
_cur_preX(0),
_cur_aftX(1),
_cur_midY(0)
{
setMouseTracking(true);
setAutoFillBackground(true);
setBackgroundRole(QPalette::Base);
//setFixedSize(QSize(600, 400));
_mm_width = "#####";
_mm_period = "#####";
_mm_freq = "#####";
_measure_en = true;
triggered = false;
timer_cnt = 0;
connect(&_view, SIGNAL(signals_moved()),
this, SLOT(on_signals_moved()));
connect(&trigger_timer, SIGNAL(timeout()),
this, SLOT(on_trigger_timer()));
}
int Viewport::get_total_height() const
{
int h = 0;
const vector< boost::shared_ptr<Signal> > sigs(
_view.session().get_signals());
BOOST_FOREACH(const boost::shared_ptr<Signal> s, sigs) {
assert(s);
//h = max(s->get_v_offset() + _view.get_signalHeight(), h);
h = max(s->get_v_offset(), h);
}
return h;
}
void Viewport::paintEvent(QPaintEvent *event)
{
(void)event;
using pv::view::Signal;
int i, j;
QStyleOption o;
o.initFrom(this);
QPainter p(this);
style()->drawPrimitive(QStyle::PE_Widget, &o, &p, this);
//QPainter p(this);
p.setRenderHint(QPainter::Antialiasing);
if (_view.session().get_device()->mode == LOGIC) {
switch(_view.session().get_capture_state()) {
case SigSession::Init:
break;
case SigSession::Stopped:
paintSignals(p);
break;
case SigSession::Running:
//p.setRenderHint(QPainter::Antialiasing);
paintProgress(p);
break;
}
} else {
paintSignals(p);
}
p.setRenderHint(QPainter::Antialiasing, false);
if (_view.get_signalHeight() != _curSignalHeight)
_curSignalHeight = _view.get_signalHeight();
const vector< boost::shared_ptr<Signal> > sigs(
_view.session().get_signals());
BOOST_FOREACH(const boost::shared_ptr<Signal> s, sigs) {
assert(s);
//paint_axis(p, y, left, right);
p.setPen(Signal::dsGray);
const double sigY = s->get_v_offset() - _view.v_offset();
if (s->get_type() == Signal::DS_ANALOG) {
p.drawLine(0, sigY, width(), sigY);
const double spanY = (s->get_signalHeight()) * 1.0f / NumSpanY;
for (i = 1; i <= NumSpanY; i++) {
const double posY = sigY - spanY * i;
p.drawLine(0, posY, width(), posY);
const double miniSpanY = spanY / NumMiniSpanY;
for (j = 1; j < NumMiniSpanY; j++) {
p.drawLine(width() / 2.0f - 10, posY + miniSpanY * j,
width() / 2.0f + 10, posY + miniSpanY * j);
}
}
const double spanX = width() * 1.0f / NumSpanX;
for (i = 1; i < NumSpanX; i++) {
p.drawLine(0 + spanX * i, sigY,
0 + spanX * i, sigY - s->get_signalHeight());
}
} else if (s->get_type() == Signal::DS_LOGIC) {
p.drawLine(0, sigY + 10, width(), sigY + 10);
}
}
if (_view.session().get_device()->mode == DSO) {
p.setPen(Signal::dsGray);
p.setPen(Qt::DotLine);
const double spanY =height() * 1.0f / 10;
for (i = 1; i < 11; i++) {
const double posY = spanY * i;
p.drawLine(0, posY, width(), posY);
const double miniSpanY = spanY / 5;
for (j = 1; j < 5; j++) {
p.drawLine(width() / 2.0f - 10, posY - miniSpanY * j,
width() / 2.0f + 10, posY - miniSpanY * j);
}
}
const double spanX = width() * 1.0f / 10;
for (i = 1; i < 11; i++) {
const double posX = spanX * i;
p.drawLine(posX, 0,
posX, height());
const double miniSpanX = spanX / 5;
for (j = 1; j < 5; j++) {
p.drawLine(posX - miniSpanX * j, height() / 2.0f - 10,
posX - miniSpanX * j, height() / 2.0f + 10);
}
}
}
p.end();
}
void Viewport::paintSignals(QPainter &p)
{
const vector< boost::shared_ptr<Signal> > sigs(
_view.session().get_signals());
// const vector< boost::shared_ptr<Signal> > pro_sigs(
// _view.session().get_pro_signals());
// Plot the signal
const int v_offset = _view.v_offset();
if (_view.scale() != _curScale ||
_view.offset() != _curOffset ||
_view.get_signalHeight() != _curSignalHeight ||
_view.need_update()) {
_curScale = _view.scale();
_curOffset = _view.offset();
_curSignalHeight = _view.get_signalHeight();
pixmap = QPixmap(size());
pixmap.fill(Qt::transparent);
QPainter dbp(&pixmap);
dbp.initFrom(this);
p.setRenderHint(QPainter::Antialiasing, false);
BOOST_FOREACH(const boost::shared_ptr<Signal> s, sigs) {
assert(s);
if (s->get_active())
s->paint(dbp, ((s->get_type() == Signal::DS_DSO) ? s->get_zeroPos() + height()*0.5 : s->get_v_offset() - v_offset), 0, width(),
_view.scale(), _view.offset());
}
// p.setRenderHint(QPainter::Antialiasing);
// BOOST_FOREACH(const boost::shared_ptr<Signal> s, pro_sigs) {
// assert(s);
// s->paint(dbp, s->get_v_offset() - v_offset, 0, width(),
// _view.scale(), _view.offset());
// }
_view.set_need_update(false);
}
p.drawPixmap(0, 0, pixmap);
// plot trig line in DSO mode
BOOST_FOREACH(const shared_ptr<Signal> s, sigs) {
assert(s);
if (s->get_active() && s->get_type() == Signal::DS_DSO)
s->paint_trig(p, 0, width(), qAbs(_mouse_point.y() - s->get_trig_vpos()) <= HitCursorMargin );
}
// plot cursors
if (_view.cursors_shown()) {
list<Cursor*>::iterator i = _view.get_cursorList().begin();
double cursorX;
while (i != _view.get_cursorList().end()) {
cursorX = ((*i)->time() - _view.offset()) / _view.scale();
if (rect().contains(_view.hover_point().x(), _view.hover_point().y()) &&
qAbs(cursorX - _view.hover_point().x()) <= HitCursorMargin)
(*i)->paint(p, rect(), 1);
else
(*i)->paint(p, rect(), 0);
if (!_view.session().get_data()->get_snapshots().empty()) {
uint64_t _hit_sample = floor((*i)->time() * _view.session().get_last_sample_rate());
if (_hit_sample > _total_receive_len) {
(*i)->set_time(0);
} else {
QRectF valueRect = QRectF(cursorX + 3, height()-20, 100, 20);
p.setPen(Qt::black);
p.drawLine(cursorX, height()-13, cursorX + 3, height()-10);
p.drawLine(cursorX, height()-7, cursorX + 3, height()-10);
p.drawText(valueRect, Qt::AlignLeft | Qt::AlignVCenter,
"Value: " +
QString::number((uint16_t)_view.session().get_data()->get_snapshots().front()->get_sample(_hit_sample)));
}
}
i++;
}
}
if (_view.trig_cursor_shown()) {
_view.get_trig_cursor()->paint(p, rect(), 0);
}
if (_view.search_cursor_shown()) {
_view.get_search_cursor()->paint(p, rect(), 0);
}
// plot zoom rect
if (_zoom_rect_visible) {
p.setPen(Qt::NoPen);
p.setBrush(Signal::dsLightBlue);
p.drawRect(_zoom_rect);
}
//plot measure arrow
if (_measure_shown) {
paintMeasure(p);
}
}
void Viewport::paintProgress(QPainter &p)
{
using pv::view::Signal;
const quint64 _total_sample_len = _view.session().get_total_sample_len();
double progress = -(_total_receive_len * 1.0f / _total_sample_len * 360 * 16);
p.setPen(Qt::gray);
const QPoint cenPos = QPoint(width() / 2, height() / 2);
const int radius = min(0.3 * width(), 0.3 * height());
p.drawEllipse(cenPos, radius - 2, radius - 2);
p.setPen(QPen(Signal::dsGreen, 4, Qt::SolidLine));
p.drawArc(cenPos.x() - radius, cenPos.y() - radius, 2* radius, 2 * radius, 180 * 16, progress);
p.setPen(Qt::gray);
const QPoint logoPoints[] = {
QPoint(cenPos.x() - 0.75 * radius, cenPos.y()),
QPoint(cenPos.x() - 0.75 * radius, cenPos.y() + 0.15 * radius),
QPoint(cenPos.x() - 0.6 * radius, cenPos.y()),
QPoint(cenPos.x() - 0.6 * radius, cenPos.y() + 0.3 * radius),
QPoint(cenPos.x() - 0.45 * radius, cenPos.y()),
QPoint(cenPos.x() - 0.45 * radius, cenPos.y() + 0.45 * radius),
QPoint(cenPos.x() - 0.3 * radius, cenPos.y()),
QPoint(cenPos.x() - 0.3 * radius, cenPos.y() + 0.3 * radius),
QPoint(cenPos.x() - 0.15 * radius, cenPos.y()),
QPoint(cenPos.x() - 0.15 * radius, cenPos.y() + 0.15 * radius),
QPoint(cenPos.x() + 0.15 * radius, cenPos.y()),
QPoint(cenPos.x() + 0.15 * radius, cenPos.y() - 0.15 * radius),
QPoint(cenPos.x() + 0.3 * radius, cenPos.y()),
QPoint(cenPos.x() + 0.3 * radius, cenPos.y() - 0.3 * radius),
QPoint(cenPos.x() + 0.45 * radius, cenPos.y()),
QPoint(cenPos.x() + 0.45 * radius, cenPos.y() - 0.45 * radius),
QPoint(cenPos.x() + 0.6 * radius, cenPos.y()),
QPoint(cenPos.x() + 0.6 * radius, cenPos.y() - 0.3 * radius),
QPoint(cenPos.x() + 0.75 * radius, cenPos.y()),
QPoint(cenPos.x() + 0.75 * radius, cenPos.y() - 0.15 * radius)
};
const int logoRadius = 10;
p.drawLine(logoPoints[0], logoPoints[1]);
p.drawLine(logoPoints[2], logoPoints[3]);
p.drawLine(logoPoints[4], logoPoints[5]);
p.drawLine(logoPoints[6], logoPoints[7]);
p.drawLine(logoPoints[8], logoPoints[9]);
p.drawLine(logoPoints[10], logoPoints[11]);
p.drawLine(logoPoints[12], logoPoints[13]);
p.drawLine(logoPoints[14], logoPoints[15]);
p.drawLine(logoPoints[16], logoPoints[17]);
p.drawLine(logoPoints[18], logoPoints[19]);
p.drawEllipse(logoPoints[1].x() - 0.5 * logoRadius, logoPoints[1].y(),
logoRadius, logoRadius);
p.drawEllipse(logoPoints[3].x() - 0.5 * logoRadius, logoPoints[3].y(),
logoRadius, logoRadius);
p.drawEllipse(logoPoints[5].x() - 0.5 * logoRadius, logoPoints[5].y(),
logoRadius, logoRadius);
p.drawEllipse(logoPoints[7].x() - 0.5 * logoRadius, logoPoints[7].y(),
logoRadius, logoRadius);
p.drawEllipse(logoPoints[9].x() - 0.5 * logoRadius, logoPoints[9].y(),
logoRadius, logoRadius);
p.drawEllipse(logoPoints[11].x() - 0.5 * logoRadius, logoPoints[11].y() - logoRadius,
logoRadius, logoRadius);
p.drawEllipse(logoPoints[13].x() - 0.5 * logoRadius, logoPoints[13].y() - logoRadius,
logoRadius, logoRadius);
p.drawEllipse(logoPoints[15].x() - 0.5 * logoRadius, logoPoints[15].y() - logoRadius,
logoRadius, logoRadius);
p.drawEllipse(logoPoints[17].x() - 0.5 * logoRadius, logoPoints[17].y() - logoRadius,
logoRadius, logoRadius);
p.drawEllipse(logoPoints[19].x() - 0.5 * logoRadius, logoPoints[19].y() - logoRadius,
logoRadius, logoRadius);
if (!triggered) {
const QPoint cenLeftPos = QPoint(width() / 2 - 0.05 * width(), height() / 2);
const QPoint cenRightPos = QPoint(width() / 2 + 0.05 * width(), height() / 2);
const int trigger_radius = min(0.02 * width(), 0.02 * height());
p.setPen(Qt::NoPen);
p.setBrush((timer_cnt % 3) == 0 ? Signal::dsLightBlue : Signal::dsGray);
p.drawEllipse(cenLeftPos, trigger_radius, trigger_radius);
p.setBrush((timer_cnt % 3) == 1 ? Signal::dsLightBlue : Signal::dsGray);
p.drawEllipse(cenPos, trigger_radius, trigger_radius);
p.setBrush((timer_cnt % 3) == 2 ? Signal::dsLightBlue : Signal::dsGray);
p.drawEllipse(cenRightPos, trigger_radius, trigger_radius);
} else {
const int progress100 = ceil(progress / -3.6 / 16);
p.setPen(QColor(0, 0, 0, 50));
QFont font=p.font();
font.setPointSize(50);
font.setBold(true);
p.setFont(font);
p.drawText(rect(), Qt::AlignCenter | Qt::AlignVCenter, QString::number(progress100)+"%");
}
}
void Viewport::mousePressEvent(QMouseEvent *event)
{
assert(event);
_mouse_down_point = event->pos();
_mouse_down_offset = _view.offset();
if (event->buttons() & Qt::LeftButton) {
if (_view.cursors_shown()) {
list<Cursor*>::iterator i = _view.get_cursorList().begin();
double cursorX;
while (i != _view.get_cursorList().end()) {
cursorX = ((*i)->time() - _view.offset()) / _view.scale();
if ((*i)->grabbed())
_view.get_ruler()->rel_grabbed_cursor();
else if (qAbs(cursorX - event->pos().x()) <= HitCursorMargin) {
_view.get_ruler()->set_grabbed_cursor(*i);
break;
}
i++;
}
}
// if (!_view.get_ruler()->get_grabbed_cursor()) {
// _zoom_rect_visible = true;
// }
const vector< shared_ptr<Signal> > sigs(_view.session().get_signals());
BOOST_FOREACH(const shared_ptr<Signal> s, sigs) {
assert(s);
if (s->get_active() &&
s->get_type() == Signal::DS_DSO &&
qAbs(_mouse_point.y() - s->get_trig_vpos()) <= HitCursorMargin) {
if (_drag_sig)
_drag_sig.reset();
else
_drag_sig = s;
break;
}
}
update();
}
}
void Viewport::mouseMoveEvent(QMouseEvent *event)
{
assert(event);
_mouse_point = event->pos();
if (event->buttons() & Qt::RightButton) {
_zoom_rect = QRectF(_mouse_down_point, event->pos());
_zoom_rect_visible = true;
}
if (event->buttons() & Qt::LeftButton) {
_view.set_scale_offset(_view.scale(),
_mouse_down_offset +
(_mouse_down_point - event->pos()).x() *
_view.scale());
measure();
}
if (!(event->buttons() || Qt::NoButton)) {
if (_drag_sig) {
uint16_t trig_value = 0;
int vpos = _mouse_point.y();
if (vpos < 0)
vpos = 0;
else if (vpos > height())
vpos = height();
_drag_sig->set_trig_vpos(vpos);
const vector< shared_ptr<Signal> > sigs(_view.session().get_signals());
BOOST_FOREACH(const shared_ptr<Signal> s, sigs) {
assert(s);
if (s->get_active() &&
s->get_type() == Signal::DS_DSO) {
trig_value += (((uint16_t)(255 - s->get_trig_vpos()*1.0/height()*255)) << 8*s->get_index());
}
}
sr_config_set(_view.session().get_device(),
SR_CONF_TRIGGER_VALUE, g_variant_new_uint16(trig_value));
}
TimeMarker* grabbed_marker = _view.get_ruler()->get_grabbed_cursor();
if (_view.cursors_shown() && grabbed_marker) {
grabbed_marker->set_time(_view.offset() + _view.hover_point().x() * _view.scale());
}
measure();
}
update();
}
void Viewport::mouseReleaseEvent(QMouseEvent *event)
{
assert(event);
if (_zoom_rect_visible) {
_zoom_rect_visible = false;
const double newOffset = _view.offset() + (min(event->pos().x(), _mouse_down_point.x()) + 0.5) * _view.scale();
const double newScale = max(min(_view.scale() * (event->pos().x() - _mouse_down_point.x()) / width(),
_view.get_maxscale()), _view.get_minscale());
if (newScale != _view.scale())
_view.set_scale_offset(newScale, newOffset);
}
update();
}
void Viewport::mouseDoubleClickEvent(QMouseEvent *event)
{
assert (event);
if (_view.scale() == _view.get_maxscale())
_view.set_preScale_preOffset();
else
_view.set_scale_offset(_view.get_maxscale(), 0);
update();
}
void Viewport::wheelEvent(QWheelEvent *event)
{
assert(event);
if (event->orientation() == Qt::Vertical) {
// Vertical scrolling is interpreted as zooming in/out
_view.zoom(event->delta() / 80, event->x());
} else if (event->orientation() == Qt::Horizontal) {
// Horizontal scrolling is interpreted as moving left/right
_view.set_scale_offset(_view.scale(),
event->delta() * _view.scale()
+ _view.offset());
}
measure();
}
void Viewport::leaveEvent(QEvent *)
{
_measure_shown = false;
_mouse_point = QPoint(-1, -1);
//_view.show_cursors(false);
update();
}
void Viewport::on_signals_moved()
{
update();
}
void Viewport::set_receive_len(quint64 length)
{
if (length == 0) {
_total_receive_len = 0;
start_trigger_timer(333);
} else {
stop_trigger_timer();
if (_total_receive_len + length > _view.session().get_total_sample_len())
_total_receive_len = _view.session().get_total_sample_len();
else
_total_receive_len += length;
}
update();
}
void Viewport::measure()
{
const vector< boost::shared_ptr<Signal> > sigs(_view.session().get_signals());
BOOST_FOREACH(const boost::shared_ptr<Signal> s, sigs) {
assert(s);
const int curY = _view.hover_point().y();
const double curX = _view.hover_point().x();
if (curY <= View::SignalMargin || s->get_type() != Signal::DS_LOGIC) {
_measure_shown = false;
break;
} else if ( curY < s->get_v_offset() &&
curY > (s->get_v_offset() - _view.get_signalHeight())) {
if (s->cur_edges().size() > 2) {
const double pixels_offset = _view.offset() / _view.scale();
const double samples_per_pixel = _view.session().get_last_sample_rate() * _view.scale();
uint64_t findIndex = curX / width() * s->cur_edges().size();
uint64_t left_findIndex = 0;
uint64_t right_findIndex = s->cur_edges().size() - 1;
int times = 0;
while(!s->cur_edges().empty() && times < 20) {
findIndex = min(findIndex, (uint64_t)(s->cur_edges().size() - 2));
const double pre_edge_x =
s->cur_edges().at(findIndex).first / samples_per_pixel - pixels_offset;
const double aft_edge_x =
s->cur_edges().at(findIndex + 1).first / samples_per_pixel - pixels_offset;
if ( curX >= pre_edge_x && curX <= aft_edge_x) {
if (aft_edge_x - pre_edge_x < 2 ||
findIndex == 0 ||
findIndex == s->cur_edges().size() - 2) {
_measure_shown = false;
break;
} else {
_measure_shown = true;
_cur_sample = s->cur_edges().at(findIndex).first;
_nxt_sample = s->cur_edges().at(findIndex + 1).first;
_cur_preX = pre_edge_x;
_cur_aftX = aft_edge_x;
//if (findIndex >= 0 && findIndex <= s->cur_edges().size() - 4) {
if(findIndex <= s->cur_edges().size() - 4) {
_thd_sample = s->cur_edges().at(findIndex + 2).first;
_cur_thdX =
s->cur_edges().at(findIndex + 2).first / samples_per_pixel - pixels_offset;
} else {
_thd_sample = 0;
_cur_thdX = 0;
}
_cur_midY = s->get_v_offset() - 0.5 * _view.get_signalHeight();
break;
}
} else if (curX < pre_edge_x) {
right_findIndex = findIndex;
findIndex = (left_findIndex + findIndex) / 2;
} else if (curX > aft_edge_x) {
left_findIndex = findIndex;
findIndex = (right_findIndex + findIndex) / 2;
}
times++;
}
}
break;
} else if (curY >= s->get_v_offset() &&
curY <= (s->get_v_offset() + 2 * View::SignalMargin)){
_measure_shown = false;
break;
}else {
_measure_shown = false;
}
}
if (_measure_shown == true) {
const uint64_t delta_sample = _nxt_sample - _cur_sample;
const uint64_t delta1_sample = _thd_sample - _cur_sample;
//assert(delta_sample >= 0);
const double delta_time = delta_sample * 1.0f / _view.session().get_last_sample_rate();
const double delta1_time = delta1_sample * 1.0f / _view.session().get_last_sample_rate();
const int order = (int)floorf(log10f(delta_time));
unsigned int prefix = (15 + order) / 3;
assert(prefix < 9);
_mm_width = _view.get_ruler()->format_time(delta_time, prefix);
_mm_period = _thd_sample != 0 ? _view.get_ruler()->format_time(delta1_time, prefix) :
"#####";
_mm_freq = _thd_sample != 0 ? _view.get_ruler()->format_freq(delta1_time) :
"#####";
} else {
_mm_width = "#####";
_mm_period = "#####";
_mm_freq = "#####";
}
_view.on_mouse_moved();
}
void Viewport::paintMeasure(QPainter &p)
{
p.setPen(QColor(17, 133, 209, 255));
p.drawLine(QLineF(_cur_preX, _cur_midY, _cur_aftX, _cur_midY));
p.drawLine(QLineF(_cur_preX, _cur_midY, _cur_preX + 2, _cur_midY - 2));
p.drawLine(QLineF(_cur_preX, _cur_midY, _cur_preX + 2, _cur_midY + 2));
p.drawLine(QLineF(_cur_aftX - 2, _cur_midY - 2, _cur_aftX, _cur_midY));
p.drawLine(QLineF(_cur_aftX - 2, _cur_midY + 2, _cur_aftX, _cur_midY));
if (_thd_sample != 0) {
p.drawLine(QLineF(_cur_aftX, _cur_midY, _cur_thdX, _cur_midY));
p.drawLine(QLineF(_cur_aftX, _cur_midY, _cur_aftX + 2, _cur_midY - 2));
p.drawLine(QLineF(_cur_aftX, _cur_midY, _cur_aftX + 2, _cur_midY + 2));
p.drawLine(QLineF(_cur_thdX - 2, _cur_midY - 2, _cur_thdX, _cur_midY));
p.drawLine(QLineF(_cur_thdX - 2, _cur_midY + 2, _cur_thdX, _cur_midY));
}
if (_measure_en) {
double typical_width = p.boundingRect(0, 0, INT_MAX, INT_MAX,
Qt::AlignLeft | Qt::AlignTop, _mm_width).width() + 150;
QRectF measure_rect = QRectF(_view.hover_point().x(), _view.hover_point().y(),
(double)typical_width, 60.0);
QRectF measure1_rect = QRectF(_view.hover_point().x(), _view.hover_point().y(),
(double)typical_width, 20.0);
QRectF measure2_rect = QRectF(_view.hover_point().x(), _view.hover_point().y() + 20,
(double)typical_width, 20.0);
QRectF measure3_rect = QRectF(_view.hover_point().x(), _view.hover_point().y() + 40,
(double)typical_width, 20.0);
p.setPen(Qt::NoPen);
p.setBrush(QColor(17, 133, 209, 150));
p.drawRect(measure_rect);
p.setPen(Qt::black);
p.drawText(measure1_rect, Qt::AlignRight | Qt::AlignVCenter,
"Width: " + _mm_width);
p.drawText(measure2_rect, Qt::AlignRight | Qt::AlignVCenter,
"Period: " + _mm_period);
p.drawText(measure3_rect, Qt::AlignRight | Qt::AlignVCenter,
"Frequency: " + _mm_freq);
}
}
QString Viewport::get_mm_width()
{
return _mm_width;
}
QString Viewport::get_mm_period()
{
return _mm_period;
}
QString Viewport::get_mm_freq()
{
return _mm_freq;
}
void Viewport::set_measure_en(int enable)
{
if (enable == 0)
_measure_en = false;
else
_measure_en = true;
}
void Viewport::start_trigger_timer(int msec)
{
assert(msec > 0);
triggered = false;
timer_cnt = 0;
trigger_timer.start(msec);
}
void Viewport::stop_trigger_timer()
{
triggered = true;
timer_cnt = 0;
trigger_timer.stop();
}
void Viewport::on_trigger_timer()
{
timer_cnt++;
update();
}
} // namespace view
} // namespace pv
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