##// END OF EJS Templates
HG_REPOSITORIES » LPP » SciQLOP_Repos » SciQLop
RSS
Wait for the end of an acquisition to validate an operation (3)...
Wait for the end of an acquisition to validate an operation (3) If an operation is to validate, waits the end of the acquisition
trabillard - - Load All Authors

File last commit:

r975:de303a265a7e
r1215:7541b71e5b78
Show More
VisualizationCursorItem.cpp
163 lines | 5.7 KiB | text/x-c | CppLexer
/ gui / src / Visualization / VisualizationCursorItem.cpp
History | Source | Raw |Copy content |Copy permalink
trabillard
Implements cursor mode
 r960 #include <Common/DateUtils.h>
#include <Visualization/VisualizationCursorItem.h>
#include <Visualization/qcustomplot.h>
/// Width of the cursor in pixel
const auto CURSOR_WIDTH = 3;
/// Color of the cursor in the graph
const auto CURSOR_COLOR = QColor{68, 114, 196};
/// Line style of the cursor in the graph
auto CURSOR_PEN_STYLE = Qt::DotLine;
struct VisualizationCursorItem::VisualizationCursorItemPrivate {
QCustomPlot *m_Plot = nullptr;
QCPItemStraightLine *m_LineItem = nullptr;
QCPItemText *m_LabelItem = nullptr;
Qt::Orientation m_Orientation;
double m_Position = 0.0;
bool m_IsAbsolutePosition = false;
QString m_LabelText;
explicit VisualizationCursorItemPrivate(QCustomPlot *plot)
: m_Plot(plot), m_Orientation(Qt::Vertical)
{
}
void updateOrientation()
{
if (m_LineItem) {
switch (m_Orientation) {
case Qt::Vertical:
m_LineItem->point1->setTypeX(m_IsAbsolutePosition
? QCPItemPosition::ptAbsolute
: QCPItemPosition::ptPlotCoords);
m_LineItem->point1->setTypeY(QCPItemPosition::ptAxisRectRatio);
m_LineItem->point2->setTypeX(m_IsAbsolutePosition
? QCPItemPosition::ptAbsolute
: QCPItemPosition::ptPlotCoords);
m_LineItem->point2->setTypeY(QCPItemPosition::ptAxisRectRatio);
m_LabelItem->setPositionAlignment(Qt::AlignLeft | Qt::AlignTop);
break;
case Qt::Horizontal:
m_LineItem->point1->setTypeX(QCPItemPosition::ptAxisRectRatio);
m_LineItem->point1->setTypeY(m_IsAbsolutePosition
? QCPItemPosition::ptAbsolute
: QCPItemPosition::ptPlotCoords);
m_LineItem->point2->setTypeX(QCPItemPosition::ptAxisRectRatio);
m_LineItem->point2->setTypeY(m_IsAbsolutePosition
? QCPItemPosition::ptAbsolute
: QCPItemPosition::ptPlotCoords);
m_LabelItem->setPositionAlignment(Qt::AlignRight | Qt::AlignBottom);
}
}
}
void updateCursorPosition()
{
if (m_LineItem) {
switch (m_Orientation) {
case Qt::Vertical:
m_LineItem->point1->setCoords(m_Position, 0);
m_LineItem->point2->setCoords(m_Position, 1);
m_LabelItem->position->setCoords(5, 5);
break;
case Qt::Horizontal:
m_LineItem->point1->setCoords(1, m_Position);
m_LineItem->point2->setCoords(0, m_Position);
m_LabelItem->position->setCoords(-5, -5);
}
}
}
void updateLabelText()
{
if (m_LabelItem) {
m_LabelItem->setText(m_LabelText);
}
}
};
VisualizationCursorItem::VisualizationCursorItem(QCustomPlot *plot)
: impl{spimpl::make_unique_impl<VisualizationCursorItemPrivate>(plot)}
{
}
void VisualizationCursorItem::setVisible(bool value)
{
if (value != isVisible()) {
if (value) {
trabillard
fix a crash with the cursor in debug
 r975 Q_ASSERT(!impl->m_LineItem && !impl->m_LabelItem);
trabillard
Implements cursor mode
 r960
impl->m_LineItem = new QCPItemStraightLine{impl->m_Plot};
auto pen = QPen{CURSOR_PEN_STYLE};
pen.setColor(CURSOR_COLOR);
pen.setWidth(CURSOR_WIDTH);
impl->m_LineItem->setPen(pen);
impl->m_LineItem->setSelectable(false);
impl->m_LabelItem = new QCPItemText{impl->m_Plot};
impl->m_LabelItem->setColor(CURSOR_COLOR);
impl->m_LabelItem->setSelectable(false);
impl->m_LabelItem->position->setParentAnchor(impl->m_LineItem->point1);
impl->m_LabelItem->position->setTypeX(QCPItemPosition::ptAbsolute);
impl->m_LabelItem->position->setTypeY(QCPItemPosition::ptAbsolute);
auto font = impl->m_LabelItem->font();
font.setPointSize(10);
font.setBold(true);
impl->m_LabelItem->setFont(font);
impl->updateOrientation();
impl->updateLabelText();
impl->updateCursorPosition();
}
else {
trabillard
fix a crash with the cursor in debug
 r975 Q_ASSERT(impl->m_LineItem && impl->m_LabelItem);
trabillard
Implements cursor mode
 r960
// Note: the items are destroyed by QCustomPlot in removeItem
impl->m_Plot->removeItem(impl->m_LineItem);
impl->m_LineItem = nullptr;
impl->m_Plot->removeItem(impl->m_LabelItem);
impl->m_LabelItem = nullptr;
}
}
}
bool VisualizationCursorItem::isVisible() const
{
return impl->m_LineItem != nullptr;
}
void VisualizationCursorItem::setPosition(double value)
{
impl->m_Position = value;
impl->m_IsAbsolutePosition = false;
impl->updateLabelText();
impl->updateCursorPosition();
}
void VisualizationCursorItem::setAbsolutePosition(double value)
{
setPosition(value);
impl->m_IsAbsolutePosition = true;
}
void VisualizationCursorItem::setOrientation(Qt::Orientation orientation)
{
impl->m_Orientation = orientation;
impl->updateLabelText();
impl->updateOrientation();
impl->updateCursorPosition();
}
void VisualizationCursorItem::setLabelText(const QString &text)
{
impl->m_LabelText = text;
impl->updateLabelText();
}