void ScalePicker::selectTitle(QwtScaleWidget *scale, bool select)
{
if (!scale)
return;
if (d_title_selected == select && d_selected_axis == scale)
return;
Graph *g = plot();
g->deselect();
d_title_selected = select;
d_selected_axis = scale;
d_labels_selected = false;
QwtText title = scale->title();
if (select){
title.setBackgroundPen(QPen(Qt::blue));
g->notifyFontChange(title.font());
g->notifyColorChange(title.color());
} else
title.setBackgroundPen(QPen(Qt::NoPen));
scale->setTitle(title);
}
void TitlePicker::setSelected(bool select) {
if (!title || d_selected == select)
return;
d_selected = select;
QwtText text = title->text();
if (select)
text.setBackgroundPen(QPen(Qt::blue));
else
text.setBackgroundPen(QPen(Qt::NoPen));
(static_cast<QwtPlot *>(parent()))->setTitle(text);
}
TextEditor::TextEditor(Graph *g): QTextEdit(g), d_target(NULL)
{
setAttribute(Qt::WA_DeleteOnClose);
setFrameShadow(QFrame::Plain);
setFrameShape(QFrame::Box);
setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
QPalette palette = this->palette();
palette.setColor(QPalette::Active, QPalette::WindowText, Qt::blue);
palette.setColor(QPalette::Active, QPalette::Base, Qt::white);
setPalette(palette);
QString text;
if (g->selectedText()){
d_target = g->selectedText();
setGeometry(d_target->geometry());
auto legend = dynamic_cast<LegendWidget*>(d_target);
text = legend ? legend->text() : "";
d_target->hide();
} else if (g->titleSelected()){
d_target = g->plotWidget()->titleLabel();
QwtText t = g->plotWidget()->title();
text = t.text();
setAlignment((Qt::Alignment)t.renderFlags());
setGeometry(d_target->geometry());
} else if (g->selectedScale()){
d_target = g->selectedScale();
QwtScaleWidget *scale = (QwtScaleWidget*)d_target;
QwtText t = scale->title();
text = t.text();
setAlignment((Qt::Alignment)t.renderFlags());
QRect rect = g->axisTitleRect(scale);
if (scale->alignment() == QwtScaleDraw::BottomScale ||
scale->alignment() == QwtScaleDraw::TopScale){
resize(rect.size());
move(QPoint(d_target->x() + rect.x(), d_target->y() + rect.y()));
} else {
resize(QSize(rect.height(), rect.width()));
if (scale->alignment() == QwtScaleDraw::LeftScale)
move(QPoint(d_target->x() + rect.x(), d_target->y() + rect.y() + rect.height()/2));
else if (scale->alignment() == QwtScaleDraw::RightScale)
move(QPoint(d_target->x() - rect.height(), d_target->y() + rect.y() + rect.height()/2));
t.setText(" ");
t.setBackgroundPen(QPen(Qt::NoPen));
scale->setTitle(t);
}
}
QTextCursor cursor = textCursor();
cursor.insertText(text);
d_initial_text = text;
show();
setFocus();
}
void ScaleDraw::drawLabel(QPainter *painter, double value) const
{
if (!d_plot)
return;
ScaleEngine *sc_engine = (ScaleEngine *)d_plot->axisScaleEngine(axis());
/*QwtScaleEngine *qwtsc_engine=d_plot->axisScaleEngine(axis());
ScaleEngine *sc_engine =dynamic_cast< ScaleEngine*>(qwtsc_engine);
if(sc_engine!=NULL)
{*/
if (sc_engine->hasBreak()){
bool invertedScale = sc_engine->testAttribute(QwtScaleEngine::Inverted);
if (invertedScale && sc_engine->axisBreakRight() == value)
return;
if (!invertedScale && sc_engine->axisBreakLeft() == value)
return;
}
//}
QwtText lbl = tickLabel(painter->font(), value);
if (lbl.isEmpty())
return;
const QPoint pos = labelPosition(value);
QSize labelSize = lbl.textSize(painter->font());
if ( labelSize.height() % 2 )
labelSize.setHeight(labelSize.height() + 1);
const QMatrix m = labelMatrix(pos, labelSize);
painter->save();
painter->setMatrix(m, true);
if (d_selected)
lbl.setBackgroundPen(QPen(Qt::blue));
else
lbl.setBackgroundPen(QPen(Qt::NoPen));
lbl.draw(painter, QRect(QPoint(0, 0), labelSize));
painter->restore();
}
void ScalePicker::deselect() {
if (!d_selected_axis)
return;
d_title_selected = false;
d_labels_selected = false;
QwtText title = d_selected_axis->title();
title.setBackgroundPen(QPen(Qt::NoPen));
d_selected_axis->setTitle(title);
ScaleDraw *sc_draw = static_cast<ScaleDraw *>(d_selected_axis->scaleDraw());
sc_draw->setSelected(false);
d_selected_axis->repaint();
d_selected_axis = nullptr;
}
void ScalePicker::deselect()
{
if (!d_selected_axis)
return;
d_title_selected = false;
d_labels_selected = false;
QwtText title = d_selected_axis->title();
title.setBackgroundPen(QPen(Qt::NoPen));
d_selected_axis->setTitle(title);
/*
ScaleDraw *sc_draw = (ScaleDraw *)d_selected_axis->scaleDraw();
sc_draw->setSelected(false);
*/
d_selected_axis->repaint();
d_selected_axis = NULL;
}
void ScaleDraw::drawLabel(QPainter *painter, double value) const
{
if (!d_plot)
return;
ScaleEngine *sc_engine = (ScaleEngine *)d_plot->axisScaleEngine(axis());
if (sc_engine->hasBreak() && sc_engine->axisBreakLeft() <= value && sc_engine->axisBreakRight() > value)
return;
QwtValueList majTicks = scaleDiv().ticks(QwtScaleDiv::MajorTick);
if (majTicks.contains(value)){
switch (d_show_ticks_policy){
case ShowAll:
break;
case HideBegin:
if (majTicks.first() == value)
return;
break;
case HideEnd:
if (majTicks.last() == value)
return;
break;
case HideBeginEnd:
if (majTicks.first() == value || majTicks.last() == value)
return;
break;
}
}
QwtText lbl = tickLabel(painter->font(), value);
if ( lbl.isEmpty() )
return;
QPoint pos = labelPosition(value);
QSize labelSize = lbl.textSize(painter->font());
if ( labelSize.height() % 2 )
labelSize.setHeight(labelSize.height() + 1);
const QwtMetricsMap metricsMap = QwtPainter::metricsMap();
QwtPainter::resetMetricsMap();
labelSize = metricsMap.layoutToDevice(labelSize);
pos = metricsMap.layoutToDevice(pos);
painter->save();
painter->setMatrix(labelMatrix( pos, labelSize), true);
if (d_selected)
lbl.setBackgroundPen(QPen(Qt::blue));
else
lbl.setBackgroundPen(QPen(Qt::NoPen));
lbl.setRenderFlags(labelAlignment());
lbl.draw (painter, QRect(QPoint(0, 0), labelSize) );
QwtPainter::setMetricsMap(metricsMap); // restore metrics map
painter->restore();
}
TextEditor::TextEditor(Graph *g): QTextEdit(g), d_graph(g)
{
setAttribute(Qt::WA_DeleteOnClose);
setFrameShadow(QFrame::Plain);
setFrameShape(QFrame::Box);
setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
QPalette palette = this->palette();
palette.setColor(QPalette::Active, QPalette::WindowText, Qt::blue);
palette.setColor(QPalette::Active, QPalette::Base, Qt::white);
setPalette(palette);
bool moveCrs = true;
QString text;
if (g->activeText()){
setParent(g->multiLayer()->canvas());
d_target = g->activeText();
setGeometry(d_target->geometry());
text = ((LegendWidget*)d_target)->text();
d_target->hide();
setFont(((LegendWidget*)d_target)->font());
} else if (g->titleSelected()){
d_target = g->titleLabel();
QwtText t = g->title();
text = t.text();
setAlignment((Qt::Alignment)t.renderFlags());
setFont(t.font());
setGeometry(d_target->geometry());
} else if (g->selectedScale()){
d_target = g->selectedScale();
QwtScaleWidget *scale = (QwtScaleWidget*)d_target;
QwtText t = scale->title();
text = t.text();
setAlignment((Qt::Alignment)t.renderFlags());
setFont(t.font());
QRect rect = g->axisTitleRect(scale);
if (scale->alignment() == QwtScaleDraw::BottomScale ||
scale->alignment() == QwtScaleDraw::TopScale){
resize(rect.size());
move(QPoint(d_target->x() + rect.x(), d_target->y() + rect.y()));
} else {
resize(QSize(rect.height(), rect.width()));
if (scale->alignment() == QwtScaleDraw::LeftScale)
move(QPoint(d_target->x() + rect.x(), d_target->y() + rect.y() + rect.height()/2));
else if (scale->alignment() == QwtScaleDraw::RightScale)
move(QPoint(d_target->x() - rect.height(), d_target->y() + rect.y() + rect.height()/2));
t.setText(" ");
t.setBackgroundPen(QPen(Qt::NoPen));
scale->setTitle(t);
moveCrs = false;
}
}
QTextCursor cursor = textCursor();
cursor.insertText(text);
d_initial_text = text;
setWordWrapMode (QTextOption::NoWrap);
setAlignment(Qt::AlignCenter);
QTextFrame *frame = document()->rootFrame();
QTextFrameFormat format = frame->frameFormat();
format.setTopMargin(format.topMargin () + 3);
frame->setFrameFormat(format);
show();
if (moveCrs)
setTextCursor(cursorForPosition(mapFromGlobal(QCursor::pos())));
setFocus();
}
