void plotter::mouseMoveEvent(QMouseEvent *event)
{
if (rubberBandIsShown) {
updateRubberBandRegion();
rubberBandRect.setBottomRight(event->pos());
updateRubberBandRegion();
}
}
void Plotter::mouseMoveEvent(QMouseEvent *event)
{
if( m_bRubberbandDrag == false)
return;
if(rubberBandIsShown){
updateRubberBandRegion();
rubberBandRect.setBottomRight(event->pos());
updateRubberBandRegion();
}
}
void plotter::mouseReleaseEvent(QMouseEvent *event)
{
if ((event->button() == Qt::LeftButton) && rubberBandIsShown) {
rubberBandIsShown = false;
updateRubberBandRegion();
unsetCursor();
QRect rect = rubberBandRect.normalized();
if (rect.width() < 4 || rect.height() < 4)
return;
rect.translate(-Margin, -Margin);
PlotSettings prevSettings = zoomStack[curZoom];
PlotSettings settings;
double dx = prevSettings.spanX() / (width() - 2 * Margin);
double dy = prevSettings.spanY() / (height() - 2 * Margin);
settings.minX = prevSettings.minX + dx * rect.left();
settings.maxX = prevSettings.minX + dx * rect.right();
settings.minY = prevSettings.maxY - dy * rect.bottom();
settings.maxY = prevSettings.maxY - dy * rect.top();
settings.adjust();
zoomStack.resize(curZoom + 1);
zoomStack.append(settings);
zoomIn();
}
}
void Plotter::mousePressEvent(QMouseEvent *event)
{
QRect rect(Margin, Margin,
width() - 2 * Margin, height() - 2 * Margin);
if (event->button() == Qt::LeftButton) {
if (rect.contains(event->pos())) {
rubberBandIsShown = true;
rubberBandRect.setTopLeft(event->pos());
rubberBandRect.setBottomRight(event->pos());
updateRubberBandRegion();
setCursor(Qt::CrossCursor);
}
}
}
void Plotter::mousePressEvent(QMouseEvent *event)
{
if( m_bRubberbandDrag == false)
return;
QRect rect(Margin,Margin,width()-2*Margin,height()-2*Margin);
if(event->button() == Qt::LeftButton)
{
if(rect.contains(event->pos()))
{
rubberBandIsShown = true;
QPoint l_objValues = event->pos();
if((l_objValues.x() < width()- 2*Margin) && (l_objValues.y() < height()- 2*Margin ))
{
rubberBandRect.setTopLeft(event->pos());
rubberBandRect.setBottomRight(event->pos());
updateRubberBandRegion();
setCursor(Qt::CrossCursor);
}
}
}
}
void Plotter::keyPressEvent(QKeyEvent *event)
{
switch(event->key())
{
case Qt::Key_Right:
if(rubberBandRect.x() < this->width()-(rubberBandRect.width()-10))
{
rubberBandRect.setLeft(rubberBandRect.x() + 10);
rubberBandRect.setWidth(rubberBandRect.width()+10);
updateRubberBandRegion();
}
break;
case Qt::Key_Left:
if(rubberBandRect.x() > 10){
rubberBandRect.setLeft(rubberBandRect.x() - 10);
rubberBandRect.setWidth(rubberBandRect.width()-10);
updateRubberBandRegion();
}
break;
case Qt::Key_Down:
if(rubberBandRect.y() < this->height()-rubberBandRect.height()){
rubberBandRect.setTop(rubberBandRect.y() + 10);
rubberBandRect.setHeight(rubberBandRect.height()+10);
updateRubberBandRegion();
}
break;
case Qt::Key_Up:
if(rubberBandRect.y() >0){
rubberBandRect.setTop(rubberBandRect.y() - 10);
rubberBandRect.setHeight(rubberBandRect.height()-10);
updateRubberBandRegion();
}
break;
default: QWidget::keyPressEvent(event);
}
QRect rect = rubberBandRect.normalized();
if(rect.width() < 4 || rect.height() < 4 )
{
return;
}
rect.translate(-Margin,-Margin);
PlotSettings prevSettings = zoomStack[curZoom];
PlotSettings settings;
settings.m_nOffset = prevSettings.m_nOffset;
double dx = prevSettings.spanX() / (width()-2*Margin);
double dy = prevSettings.spanY() / (height()-2*Margin);
settings.minX = prevSettings.minX + dx * rect.left();
settings.maxX = prevSettings.minX + dx * rect.right();
settings.minY = prevSettings.maxY - dy * rect.bottom();
settings.maxY = prevSettings.maxY - dy * rect.top();
settings.adjust();
PlotSettings *pTemp = new PlotSettings();
pTemp = &settings;
zoomStack.resize(curZoom + 1);
zoomStack.append(settings);
refreshPixmap();
emit moveWindow(rubberBandRect,settings);
}
