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 TextEditor::closeEvent(QCloseEvent *e)
{
if(d_target != NULL)
{
Graph *g = dynamic_cast<Graph *>(parent());
if (g) {
QString s = QString();
if (auto legend = dynamic_cast<LegendWidget*>(d_target)){
s = text();
legend->setText(s);
d_target->show();
g->setSelectedText(NULL);
} else if (auto pieLabel = dynamic_cast<PieLabel*>(d_target)){
s = text();
pieLabel->setCustomText(s);
d_target->show();
g->setSelectedText(NULL);
} else if (d_target->isA("QwtTextLabel")){
QwtText title = g->plotWidget()->title();
s = text();
if(s.isEmpty())
s = " ";
title.setText(s);
g->plotWidget()->setTitle(title);
} else if (d_target->isA("QwtScaleWidget")){
QwtScaleWidget *scale = (QwtScaleWidget*)d_target;
QwtText title = scale->title();
s = text();
if(s.isEmpty())
s = " ";
title.setText(s);
scale->setTitle(title);
}
if (d_initial_text != s)
g->notifyChanges();
d_target->repaint();
}
}
e->accept();
}
void TextEditor::closeEvent(QCloseEvent *e)
{
QString s = text();
int lines = s.count(QRegExp("\n"));
if ( lines >= 100 && QMessageBox::question(d_graph->multiLayer(),
tr("QtiPlot") + " - " + tr("Confirmation"),
tr("Are you sure you want to add %1 text lines into this text box?").arg(lines),
QMessageBox::Yes | QMessageBox::Cancel, QMessageBox::Cancel) == QMessageBox::Cancel)
s = d_initial_text;
if (d_target->isA("LegendWidget")){
((LegendWidget*)d_target)->setText(s);
d_target->show();
d_graph->setActiveText(NULL);
} else if (d_target->isA("PieLabel")){
((PieLabel*)d_target)->setCustomText(s);
d_target->show();
d_graph->setActiveText(NULL);
} else if (d_target->isA("QwtTextLabel")){
QwtText title = d_graph->title();
if(s.isEmpty())
s = " ";
title.setText(s);
d_graph->setTitle(title);
} else if (d_target->isA("QwtScaleWidget")){
QwtScaleWidget *scale = (QwtScaleWidget*)d_target;
QwtText title = scale->title();
if(s.isEmpty())
s = " ";
title.setText(s);
scale->setTitle(title);
}
if (d_initial_text != s)
d_graph->notifyChanges();
d_target->repaint();
e->accept();
}
Plot::Plot(QWidget *parent, const char *name)
: QwtPlot(parent)
{
marker_key = 0;
curve_key = 0;
minTickLength = 5;
majTickLength = 9;
movedGraph=FALSE;
graphToResize=FALSE;
ShiftButton=FALSE;
setGeometry(QRect(0,0,500,400));
setAxisTitle(QwtPlot::yLeft, tr("Y Axis Title"));
setAxisTitle(QwtPlot::xBottom, tr("X Axis Title"));
// grid
d_grid = new Grid;
d_grid->enableX(false);
d_grid->enableY(false);
d_grid->setMajPen(QPen(Qt::blue, 0, Qt::SolidLine));
d_grid->setMinPen(QPen(Qt::gray, 0 , Qt::DotLine));
d_grid->attach(this);
//custom scale
for (int i= 0; i<QwtPlot::axisCnt; i++)
{
QwtScaleWidget *scale = (QwtScaleWidget *) axisWidget(i);
if (scale)
{
scale->setMargin(0);
//the axis title color must be initialized
QwtText title = scale->title();
title.setColor(Qt::black);
scale->setTitle(title);
ScaleDraw *sd = new ScaleDraw();
sd->setTickLength (QwtScaleDiv::MinorTick, minTickLength);
sd->setTickLength (QwtScaleDiv::MediumTick, minTickLength);
sd->setTickLength (QwtScaleDiv::MajorTick, majTickLength);
setAxisScaleDraw (i, sd);
}
}
QwtPlotLayout *pLayout=plotLayout();
pLayout->setCanvasMargin(0);
QwtPlotCanvas* plCanvas = canvas();
plCanvas->setFocusPolicy(QWidget::StrongFocus);
plCanvas->setFocusIndicator(QwtPlotCanvas::ItemFocusIndicator);
plCanvas->setFocus();
plCanvas->setFrameShadow(QwtPlot::Plain);
plCanvas->setCursor(Qt::arrowCursor);
plCanvas->setLineWidth(0);
setFocusPolicy(QWidget::StrongFocus);
setFocusProxy(plCanvas);
setFrameShape (QFrame::Box);
setLineWidth(0);
}
Plot::Plot(int width, int height, QWidget *parent, const char *)
: QwtPlot(parent)
{
setAutoReplot (false);
marker_key = 0;
curve_key = 0;
minTickLength = 5;
majTickLength = 9;
setGeometry(QRect(0, 0, width, height));
setAxisTitle(QwtPlot::yLeft, tr("Y Axis Title"));
setAxisTitle(QwtPlot::xBottom, tr("X Axis Title"));
//due to the plot layout updates, we must always have a non empty title
setAxisTitle(QwtPlot::yRight, tr(" "));
setAxisTitle(QwtPlot::xTop, tr(" "));
// grid
d_grid = new Grid();
d_grid->attach(this);
//custom scale
for (int i= 0; i<QwtPlot::axisCnt; i++) {
QwtScaleWidget *scale = (QwtScaleWidget *) axisWidget(i);
if (scale) {
scale->setMargin(0);
//the axis title color must be initialized...
QwtText title = scale->title();
title.setColor(Qt::black);
scale->setTitle(title);
//...same for axis color
QPalette pal = scale->palette();
pal.setColor(QPalette::Foreground, QColor(Qt::black));
scale->setPalette(pal);
ScaleDraw *sd = new ScaleDraw(this);
sd->setTickLength(QwtScaleDiv::MinorTick, minTickLength);
sd->setTickLength(QwtScaleDiv::MediumTick, minTickLength);
sd->setTickLength(QwtScaleDiv::MajorTick, majTickLength);
setAxisScaleDraw (i, sd);
setAxisScaleEngine (i, new ScaleEngine());
}
}
QwtPlotLayout *pLayout = plotLayout();
pLayout->setCanvasMargin(0);
pLayout->setAlignCanvasToScales (true);
QwtPlotCanvas* plCanvas = canvas();
plCanvas->setFocusPolicy(Qt::StrongFocus);
plCanvas->setFocusIndicator(QwtPlotCanvas::ItemFocusIndicator);
//plCanvas->setFocus();
plCanvas->setFrameShadow(QwtPlot::Plain);
plCanvas->setCursor(Qt::arrowCursor);
plCanvas->setLineWidth(0);
plCanvas->setPaintAttribute(QwtPlotCanvas::PaintCached, false);
plCanvas->setPaintAttribute(QwtPlotCanvas::PaintPacked, false);
QColor background = QColor(Qt::white);
background.setAlpha(255);
QPalette palette;
palette.setColor(QPalette::Window, background);
setPalette(palette);
setCanvasBackground (background);
setFocusPolicy(Qt::StrongFocus);
//setFocusProxy(plCanvas);
setFrameShape(QFrame::Box);
setLineWidth(0);
}
/*!
Change color and fonts of a plot
\sa apply()
*/
void QwtPlotPrintFilter::apply(QwtPlot *plot) const
{
const bool doAutoReplot = plot->autoReplot();
plot->setAutoReplot(false);
delete d_data->cache;
d_data->cache = new PrivateData::Cache;
PrivateData::Cache &cache = *d_data->cache;
if ( plot->titleLabel() )
{
QPalette palette = plot->titleLabel()->palette();
cache.titleColor = palette.color(
QPalette::Active, Palette::Text);
palette.setColor(QPalette::Active, Palette::Text,
color(cache.titleColor, Title));
plot->titleLabel()->setPalette(palette);
cache.titleFont = plot->titleLabel()->font();
plot->titleLabel()->setFont(font(cache.titleFont, Title));
}
if ( plot->legend() )
{
#if QT_VERSION < 0x040000
QValueList<QWidget *> list = plot->legend()->legendItems();
for ( QValueListIterator<QWidget *> it = list.begin();
it != list.end(); ++it )
#else
QList<QWidget *> list = plot->legend()->legendItems();
for ( QList<QWidget*>::iterator it = list.begin();
it != list.end(); ++it )
#endif
{
QWidget *w = *it;
cache.legendFonts.insert(w, w->font());
w->setFont(font(w->font(), Legend));
if ( w->inherits("QwtLegendItem") )
{
QwtLegendItem *label = (QwtLegendItem *)w;
QwtSymbol symbol = label->symbol();
QPen pen = symbol.pen();
QBrush brush = symbol.brush();
pen.setColor(color(pen.color(), CurveSymbol));
brush.setColor(color(brush.color(), CurveSymbol));
symbol.setPen(pen);
symbol.setBrush(brush);
label->setSymbol(symbol);
pen = label->curvePen();
pen.setColor(color(pen.color(), Curve));
label->setCurvePen(pen);
}
}
}
for ( int axis = 0; axis < QwtPlot::axisCnt; axis++ )
{
QwtScaleWidget *scaleWidget = plot->axisWidget(axis);
if ( scaleWidget )
{
cache.scaleColor[axis] = scaleWidget->palette().color(
QPalette::Active, Palette::Foreground);
QPalette palette = scaleWidget->palette();
palette.setColor(QPalette::Active, Palette::Foreground,
color(cache.scaleColor[axis], AxisScale));
scaleWidget->setPalette(palette);
cache.scaleFont[axis] = scaleWidget->font();
scaleWidget->setFont(font(cache.scaleFont[axis], AxisScale));
cache.scaleTitle[axis] = scaleWidget->title();
QwtText scaleTitle = scaleWidget->title();
if ( scaleTitle.testPaintAttribute(QwtText::PaintUsingTextColor) )
{
cache.scaleTitleColor[axis] = scaleTitle.color();
scaleTitle.setColor(
color(cache.scaleTitleColor[axis], AxisTitle));
}
if ( scaleTitle.testPaintAttribute(QwtText::PaintUsingTextFont) )
{
cache.scaleTitleFont[axis] = scaleTitle.font();
scaleTitle.setFont(
font(cache.scaleTitleFont[axis], AxisTitle));
}
scaleWidget->setTitle(scaleTitle);
int startDist, endDist;
scaleWidget->getBorderDistHint(startDist, endDist);
scaleWidget->setBorderDist(startDist, endDist);
}
}
if ( hasBackgroundColor(plot) )
{
QPalette p = plot->palette();
cache.widgetBackground = plot->palette().color(
QPalette::Active, Palette::Background);
p.setColor(QPalette::Active, Palette::Background,
color(cache.widgetBackground, WidgetBackground));
plot->setPalette(p);
}
if ( hasBackgroundColor(plot->canvas()))
{
cache.canvasBackground = plot->canvasBackground();
plot->setCanvasBackground(color(cache.canvasBackground, CanvasBackground));
}
const QwtPlotItemList& itmList = plot->itemList();
for ( QwtPlotItemIterator it = itmList.begin();
it != itmList.end(); ++it )
{
apply(*it);
}
plot->setAutoReplot(doAutoReplot);
}
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();
}
