SidebarWidget Class Reference

Inheritance diagram for SidebarWidget:

Collaboration diagram for SidebarWidget:

Public Member Functions
	SidebarWidget (JSEdit *editor)

Public Attributes
QVector< BlockInfo >	lineNumbers
QColor	backgroundColor
QColor	lineNumberColor
QColor	indicatorColor
QColor	foldIndicatorColor
QFont	font
int	foldIndicatorWidth
QPixmap	rightArrowIcon
QPixmap	downArrowIcon

Protected Member Functions
void	mousePressEvent (QMouseEvent *event)
void	paintEvent (QPaintEvent *event)

Detailed Description

Definition at line 427 of file jsedit.cpp.

Constructor & Destructor Documentation

SidebarWidget()

SidebarWidget::SidebarWidget

(

JSEdit *

editor

)

Definition at line 445 of file jsedit.cpp.

    : QWidget(editor)
    , foldIndicatorWidth(0)
{
    backgroundColor = Qt::lightGray;
    lineNumberColor = Qt::black;
    indicatorColor = Qt::white;
    foldIndicatorColor = Qt::lightGray;
}

References backgroundColor, foldIndicatorColor, indicatorColor, and lineNumberColor.

Member Function Documentation

mousePressEvent()

void SidebarWidget::mousePressEvent ( QMouseEvent *  event )

protected

Definition at line 455 of file jsedit.cpp.

{
    if (foldIndicatorWidth > 0) {
        int xofs = width() - foldIndicatorWidth;
        int lineNo = -1;
        int fh = fontMetrics().lineSpacing();
        int ys = event->pos().y();
        if (event->pos().x() > xofs) {
            foreach (BlockInfo ln, lineNumbers)
                if (ln.position < ys && (ln.position + fh) > ys) {
                    if (ln.foldable)
                        lineNo = ln.number;
                    break;
                }
        }
        if (lineNo >= 0) {
            JSEdit *editor = qobject_cast<JSEdit*>(parent());
            if (editor)
                editor->toggleFold(lineNo);
        }
    }
}

References BlockInfo::foldable, foldIndicatorWidth, lineNumbers, BlockInfo::number, BlockInfo::position, and JSEdit::toggleFold().

Here is the call graph for this function:

paintEvent()

void SidebarWidget::paintEvent ( QPaintEvent *  event )

protected

Definition at line 478 of file jsedit.cpp.

{
    QPainter p(this);
    p.fillRect(event->rect(), backgroundColor);
    p.setPen(lineNumberColor);
    p.setFont(font);
    int fh = QFontMetrics(font).height();
    foreach (BlockInfo ln, lineNumbers)
        p.drawText(0, ln.position, width() - 4 - foldIndicatorWidth, fh, Qt::AlignRight, QString::number(ln.number));
 
    if (foldIndicatorWidth > 0) {
        int xofs = width() - foldIndicatorWidth;
        p.fillRect(xofs, 0, foldIndicatorWidth, height(), indicatorColor);
 
        // initialize (or recreate) the arrow icons whenever necessary
        if (foldIndicatorWidth != rightArrowIcon.width()) {
            QPainter iconPainter;
            QPolygonF polygon;
 
            int dim = foldIndicatorWidth;
            rightArrowIcon = QPixmap(dim, dim);
            rightArrowIcon.fill(Qt::transparent);
            downArrowIcon = rightArrowIcon;
 
            polygon << QPointF(dim * 0.4, dim * 0.25);
            polygon << QPointF(dim * 0.4, dim * 0.75);
            polygon << QPointF(dim * 0.8, dim * 0.5);
            iconPainter.begin(&rightArrowIcon);
            iconPainter.setRenderHint(QPainter::Antialiasing);
            iconPainter.setPen(Qt::NoPen);
            iconPainter.setBrush(foldIndicatorColor);
            iconPainter.drawPolygon(polygon);
            iconPainter.end();
 
            polygon.clear();
            polygon << QPointF(dim * 0.25, dim * 0.4);
            polygon << QPointF(dim * 0.75, dim * 0.4);
            polygon << QPointF(dim * 0.5, dim * 0.8);
            iconPainter.begin(&downArrowIcon);
            iconPainter.setRenderHint(QPainter::Antialiasing);
            iconPainter.setPen(Qt::NoPen);
            iconPainter.setBrush(foldIndicatorColor);
            iconPainter.drawPolygon(polygon);
            iconPainter.end();
        }
 
        foreach (BlockInfo ln, lineNumbers)
            if (ln.foldable) {
                if (ln.folded)
                    p.drawPixmap(xofs, ln.position, rightArrowIcon);
                else
                    p.drawPixmap(xofs, ln.position, downArrowIcon);
            }
    }
}

References backgroundColor, downArrowIcon, BlockInfo::foldable, BlockInfo::folded, foldIndicatorColor, foldIndicatorWidth, font, indicatorColor, lineNumberColor, lineNumbers, BlockInfo::number, BlockInfo::position, and rightArrowIcon.

Member Data Documentation

backgroundColor

QColor SidebarWidget::backgroundColor

Definition at line 432 of file jsedit.cpp.

Referenced by paintEvent(), and SidebarWidget().

downArrowIcon

QPixmap SidebarWidget::downArrowIcon

Definition at line 439 of file jsedit.cpp.

Referenced by paintEvent().

foldIndicatorColor

QColor SidebarWidget::foldIndicatorColor

Definition at line 435 of file jsedit.cpp.

Referenced by paintEvent(), and SidebarWidget().

foldIndicatorWidth

int SidebarWidget::foldIndicatorWidth

Definition at line 437 of file jsedit.cpp.

Referenced by mousePressEvent(), and paintEvent().

font

QFont SidebarWidget::font

Definition at line 436 of file jsedit.cpp.

Referenced by paintEvent().

indicatorColor

QColor SidebarWidget::indicatorColor

Definition at line 434 of file jsedit.cpp.

Referenced by paintEvent(), and SidebarWidget().

lineNumberColor

QColor SidebarWidget::lineNumberColor

Definition at line 433 of file jsedit.cpp.

Referenced by paintEvent(), and SidebarWidget().

lineNumbers

QVector<BlockInfo> SidebarWidget::lineNumbers

Definition at line 431 of file jsedit.cpp.

Referenced by mousePressEvent(), and paintEvent().

rightArrowIcon

QPixmap SidebarWidget::rightArrowIcon

Definition at line 438 of file jsedit.cpp.

Referenced by paintEvent().

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The documentation for this class was generated from the following file:

• nodes/testSetupNode/jsonGUI/src/jsedit.cpp