root/GPXSee
1
0
Fork 0
mirror of https://github.com/tumic0/GPXSee.git synced 2025-07-18 12:54:23 +02:00
Code Issues Projects Releases Activity

Added initial support for track/route graphs differentiation

Browse Source
This commit is contained in:
Martin Tůma
2016-08-16 00:27:54 +02:00
parent d20d94ef05
commit 7993e4dcb3
15 changed files with 375 additions and 129 deletions
Download Patch File Download Diff File Expand all files Collapse all files

73
src/graphview.cpp
View File

@ -1,4 +1,3 @@
#include <QGraphicsView>
#include <QGraphicsSceneMouseEvent>
#include <QEvent>
#include <QPaintEngine>
@ -8,6 +7,7 @@
#include "slideritem.h"
#include "sliderinfoitem.h"
#include "infoitem.h"
#include "graphitem.h"
#include "graphview.h"
@ -33,20 +33,17 @@ GraphView::GraphView(QWidget *parent)
_xAxis = new AxisItem(AxisItem::X);
_yAxis = new AxisItem(AxisItem::Y);
_slider = new SliderItem();
_slider->setZValue(2.0);
_sliderInfo = new SliderInfoItem(_slider);
_sliderInfo->setZValue(2.0);
_info = new InfoItem();
connect(_slider, SIGNAL(positionChanged(const QPointF&)), this,
SLOT(emitSliderPositionChanged(const QPointF&)));
connect(_scene, SIGNAL(mouseClicked(const QPointF&)), this,
SLOT(newSliderPosition(const QPointF&)));
_info = new InfoItem();
_sliderInfo = new SliderInfoItem(_slider);
_sliderInfo->setZValue(2.0);
_xScale = 1;
_yScale = 1;
_yOffset = 0;
@ -63,10 +60,8 @@ GraphView::~GraphView()
delete _xAxis;
if (_yAxis->scene() != _scene)
delete _yAxis;
if (_slider->scene() != _scene)
delete _slider;
if (_info->scene() != _scene)
delete _info;
}
@ -117,10 +112,10 @@ void GraphView::setYUnits(const QString &units)
createYLabel();
}
void GraphView::loadData(const QVector<QPointF> &data)
void GraphView::loadData(const QVector<QPointF> &data, int id)
{
QPainterPath path;
QGraphicsPathItem *pi;
GraphItem *pi;
if (data.size() < 2)
@ -137,14 +132,29 @@ void GraphView::loadData(const QVector<QPointF> &data)
updateBounds(p);
}
pi = new QGraphicsPathItem(path);
pi = new GraphItem(path);
QBrush brush(_palette.color(), Qt::SolidPattern);
QPen pen(brush, 0);
pi->setPen(pen);
pi->setId(id);
if (_hide.contains(id))
pi->hide();
_scene->addItem(pi);
_graphs.append(pi);
}
void GraphView::showGraph(bool show, int id)
{
for (int i = 0; i < _graphs.count(); i++)
if (_graphs.at(i)->id() == id)
_graphs.at(i)->setVisible(show);
if (show)
_hide.remove(id);
else
_hide.insert(id);
}
void GraphView::redraw()
{
if (!_graphs.isEmpty())
@ -209,13 +219,8 @@ void GraphView::redraw(const QSizeF &size)
_scene->addItem(_yAxis);
_slider->setArea(r);
if (_sliderPos > _bounds.right() || _sliderPos < _bounds.left())
_slider->setVisible(false);
_slider->setPos((_sliderPos / _bounds.width()) * _slider->area().width(),
r.bottom());
_scene->addItem(_slider);
updateSliderInfo();
updateSliderPosition();
r = _scene->itemsBoundingRect();
_info->setPos(r.topLeft() + QPointF(r.width()/2
@ -301,6 +306,17 @@ static qreal yAtX(const QPainterPath &path, qreal x)
return l.pointAt((x - l.p1().x()) / (l.p2().x() - l.p1().x())).y();
}
void GraphView::updateSliderPosition()
{
Q_ASSERT(_sliderPos <= _bounds.right() && _sliderPos >= _bounds.left());
_slider->setPos((_sliderPos / _bounds.width()) * _slider->area().width(),
_slider->area().bottom());
//_slider->setVisible(false);
updateSliderInfo();
}
void GraphView::updateSliderInfo()
{
_sliderInfo->setVisible(_graphs.size() == 1);
@ -333,33 +349,26 @@ void GraphView::emitSliderPositionChanged(const QPointF &pos)
return;
_sliderPos = (pos.x() / _slider->area().width()) * _bounds.width();
emit sliderPositionChanged(_sliderPos);
updateSliderInfo();
updateSliderPosition();
emit sliderPositionChanged(_sliderPos);
}
void GraphView::setSliderPosition(qreal pos)
{
_sliderPos = pos;
if (_graphs.isEmpty())
return;
if (pos > _bounds.right() || pos < _bounds.left())
_slider->setVisible(false);
else {
_slider->setPos((pos / _bounds.width()) * _slider->area().width(), 0);
_slider->setVisible(true);
}
_sliderPos = pos;
updateSliderPosition();
emit sliderPositionChanged(_sliderPos);
}
void GraphView::newSliderPosition(const QPointF &pos)
{
if (_slider->area().contains(pos)) {
_slider->setPos(pos);
_slider->setVisible(true);
if (_slider->area().contains(pos))
emitSliderPositionChanged(pos);
}
}
void GraphView::addInfo(const QString &key, const QString &value)