void LineProfileTool::addLineMarker(const QPoint &start, const QPoint &end)
{
ArrowMarker *mrk = new ArrowMarker();
mrk->attach(d_graph->plotWidget());
mrk->setStartPoint(start);
mrk->setEndPoint(end);
mrk->setColor(Qt::red);
mrk->setWidth(1);
mrk->setStyle(Qt::SolidLine);
mrk->drawEndArrow(false);
mrk->drawStartArrow(false);
d_graph->addArrow(mrk);
mrk->detach();
d_graph->replot();
}
bool CanvasPicker::selectMarker(const QMouseEvent *e)
{
Graph *g = plot();
const QPoint point = e->pos();
QList<QwtPlotMarker *> lines = g->linesList();
foreach(QwtPlotMarker *i, lines){
ArrowMarker* mrkL = (ArrowMarker*)i;
int d = qRound(mrkL->width() + floor(mrkL->headLength()*tan(M_PI*mrkL->headAngle()/180.0)+0.5));
double dist = mrkL->dist(point.x(), point.y());
if (dist <= d){
disableEditing();
if (e->modifiers() & Qt::ShiftModifier) {
plot()->setSelectedMarker(i, true);
return true;
} else if (e->button() == Qt::RightButton) {
mrkL->setEditable(false);
g->setSelectedMarker(i, true);
return true;
}
g->deselectMarker();
mrkL->setEditable(true);
g->setSelectedMarker(i, false);
d_editing_marker = mrkL;
return true;
}
}
bool CanvasPicker::eventFilter(QObject *object, QEvent *e)
{
QVector<int> images = plot()->imageMarkerKeys();
QVector<int> lines = plot()->lineMarkerKeys();
if (object != (QObject *)plot()->plotWidget()->canvas())
return false;
switch(e->type())
{
case QEvent::MouseButtonPress:
{
plot()->deselect();
emit selectPlot();
const QMouseEvent *me = (const QMouseEvent *)e;
bool allAxisDisabled = true;
for (int i=0; i < QwtPlot::axisCnt; i++){
if (plotWidget->axisEnabled(i)){
allAxisDisabled = false;
break;
}
}
int dist, point;
plotWidget->closestCurve(me->pos().x(), me->pos().y(), dist, point);
if (me->button() == Qt::LeftButton && (plot()->drawLineActive())){
startLinePoint = me->pos();
return true;
}
if (me->button() == Qt::LeftButton && plot()->drawTextActive()){
drawTextMarker(me->pos());
return true;
}
if (!plot()->zoomOn() && selectMarker(me)){
if (me->button() == Qt::RightButton)
emit showMarkerPopupMenu();
return true;
}
return !(me->modifiers() & Qt::ShiftModifier);
}
break;
case QEvent::MouseButtonDblClick:
{
if (d_editing_marker) {
return d_editing_marker->eventFilter(plotWidget->canvas(), e);
} else if (plot()->selectedMarkerKey() >= 0) {
if (lines.contains(plot()->selectedMarkerKey())){
emit viewLineDialog();
return true;
} else if (images.contains(plot()->selectedMarkerKey())){
emit viewImageDialog();
return true;
}
} else if (plot()->isPiePlot()){
emit showPlotDialog(plot()->curveKey(0));
return true;
} else {
const QMouseEvent *me = (const QMouseEvent *)e;
int dist, point;
int curveKey = plotWidget->closestCurve(me->pos().x(), me->pos().y(), dist, point);
if (dist < 10)
emit showPlotDialog(curveKey);
else
emit showPlotDialog(-1);
return true;
}
}
break;
case QEvent::MouseMove:
{
const QMouseEvent *me = (const QMouseEvent *)e;
if (me->state() != Qt::LeftButton)
return true;
QPoint pos = me->pos();
DataCurve *c = plot()->selectedCurveLabels();
if (c){
c->moveLabels(pos);
return true;
}
if (plot()->drawLineActive()) {
drawLineMarker(pos, plot()->drawArrow());
return true;
}
return false;
}
break;
case QEvent::MouseButtonRelease:
{
const QMouseEvent *me = (const QMouseEvent *)e;
Graph *g = plot();
if (g->drawLineActive()) {
ApplicationWindow *app = g->multiLayer()->applicationWindow();
if (!app)
return true;
ArrowMarker mrk;
mrk.attach(g->plotWidget());
mrk.setStartPoint(startLinePoint);
mrk.setEndPoint(QPoint(me->x(), me->y()));
mrk.setColor(app->defaultArrowColor);
mrk.setWidth(app->defaultArrowLineWidth);
mrk.setStyle(app->defaultArrowLineStyle);
mrk.setHeadLength(app->defaultArrowHeadLength);
mrk.setHeadAngle(app->defaultArrowHeadAngle);
mrk.fillArrowHead(app->defaultArrowHeadFill);
mrk.drawEndArrow(g->drawArrow());
mrk.drawStartArrow(false);
g->addArrow(&mrk);
g->drawLine(false);
mrk.detach();
plotWidget->replot();
return true;
}
/*if(plot()->zoomOn())
{
//fix for colormap changing on releasing the mouse button after zooming
Graph * gr=plot();
if(!gr)
return NULL;
Spectrogram * spectrogram=gr->getSpectrogram();
if(spectrogram)
spectrogram->setupColorBarScaling();
}*/
return false;
}
break;
case QEvent::KeyPress:
{
int key=((const QKeyEvent *)e)->key();
int selectedMarker = plot()->selectedMarkerKey();
if (lines.contains(selectedMarker) &&
(key==Qt::Key_Enter || key==Qt::Key_Return))
{
emit viewLineDialog();
return true;
}
if (images.contains(selectedMarker) &&
(key==Qt::Key_Enter || key==Qt::Key_Return))
{
emit viewImageDialog();
return true;
}
}
break;
default:
break;
}
return QObject::eventFilter(object, e);
}
void CanvasPicker::drawLineMarker(const QPoint& point, bool endArrow)
{
plot()->plotWidget()->canvas()->repaint();
ArrowMarker mrk;
mrk.attach(plotWidget);
int clw = plotWidget->canvas()->lineWidth();
mrk.setStartPoint(QPoint(startLinePoint.x() + clw, startLinePoint.y() + clw));
mrk.setEndPoint(QPoint(point.x() + clw,point.y() + clw));
mrk.setWidth(1);
mrk.setStyle(Qt::SolidLine);
mrk.drawEndArrow(endArrow);
mrk.drawStartArrow(false);
if (plot()->drawLineActive())
mrk.setColor(Qt::black);
else
mrk.setColor(Qt::red);
plotWidget->replot();
mrk.detach();
}
bool CanvasPicker::eventFilter(QObject *object, QEvent *e)
{
if (object != (QObject *)plot()->canvas())
return false;
Graph *g = plot();
QList<QwtPlotMarker *> lines = g->linesList();
switch(e->type())
{
case QEvent::MouseButtonPress:
{
const QMouseEvent *me = (const QMouseEvent *)e;
if (!(me->modifiers() & Qt::ShiftModifier))
g->deselect();
emit selectPlot();
bool allAxisDisabled = true;
for (int i=0; i < QwtPlot::axisCnt; i++){
if (g->axisEnabled(i)){
allAxisDisabled = false;
break;
}
}
int dist, point;
g->closestCurve(me->pos().x(), me->pos().y(), dist, point);
if (me->button() == Qt::LeftButton && (g->drawLineActive())){
startLinePoint = me->pos();
return true;
}
if (!g->zoomOn() && selectMarker(me)){
if (me->button() == Qt::RightButton)
emit showMarkerPopupMenu();
return true;
}
return !(me->modifiers() & Qt::ShiftModifier);
}
break;
case QEvent::MouseButtonDblClick:
{
if (d_editing_marker) {
return d_editing_marker->eventFilter(g->canvas(), e);
} else if (g->selectedMarker()) {
if (lines.contains(g->selectedMarker())){
emit viewLineDialog();
return true;
}
} else if (g->isPiePlot()){
emit showPlotDialog(0);
return true;
} else {
const QMouseEvent *me = (const QMouseEvent *)e;
int dist, point;
QwtPlotCurve *c = g->closestCurve(me->pos().x(), me->pos().y(), dist, point);
if (c && dist < 10)
emit showPlotDialog(g->curveIndex(c));
else
emit showPlotDialog(-1);
return true;
}
}
break;
case QEvent::MouseMove:
{
const QMouseEvent *me = (const QMouseEvent *)e;
if (me->state() != Qt::LeftButton)
return true;
QPoint pos = me->pos();
DataCurve *c = g->selectedCurveLabels();
if (c){
c->moveLabels(pos);
return true;
}
if (plot()->drawLineActive()) {
drawLineMarker(pos, g->drawArrow());
return true;
}
return false;
}
break;
case QEvent::MouseButtonRelease:
{
const QMouseEvent *me = (const QMouseEvent *)e;
if (g->drawLineActive()) {
ApplicationWindow *app = g->multiLayer()->applicationWindow();
if (!app)
return true;
ArrowMarker mrk;
mrk.attach(g);
mrk.setStartPoint(startLinePoint);
mrk.setEndPoint(QPoint(me->x(), me->y()));
mrk.setColor(app->defaultArrowColor);
mrk.setWidth(app->defaultArrowLineWidth);
mrk.setStyle(app->defaultArrowLineStyle);
mrk.setHeadLength(app->defaultArrowHeadLength);
mrk.setHeadAngle(app->defaultArrowHeadAngle);
mrk.fillArrowHead(app->defaultArrowHeadFill);
mrk.drawEndArrow(g->drawArrow());
mrk.drawStartArrow(false);
g->addArrow(&mrk);
g->drawLine(false);
mrk.detach();
g->replot();
return true;
}
return false;
}
break;
case QEvent::KeyPress:
{
int key = ((const QKeyEvent *)e)->key();
QwtPlotMarker *selectedMarker = g->selectedMarker();
if (lines.contains(selectedMarker) &&
(key == Qt::Key_Enter || key == Qt::Key_Return)){
emit viewLineDialog();
return true;
}
}
break;
default:
break;
}
return QObject::eventFilter(object, e);
}
