void KCRowHeader::drawText(QPainter& painter, const QFont& font,
const QPointF& location, const QString& text) const
{
register KCSheet * const sheet = m_pView->activeSheet();
if (!sheet)
return;
const double scaleX = POINT_TO_INCH(double(KoDpi::dpiX()));
const double scaleY = POINT_TO_INCH(double(KoDpi::dpiY()));
// Qt scales the font already with the logical resolution. Do not do it twice!
painter.save();
painter.scale(1.0 / scaleX, 1.0 / scaleY);
QTextLayout textLayout(text, font);
textLayout.beginLayout();
forever {
QTextLine line = textLayout.createLine();
if (!line.isValid())
break;
line.setLineWidth(width() * scaleX);
}
textLayout.endLayout();
QPointF loc(location.x() * scaleX, location.y() * scaleY);
textLayout.draw(&painter, loc);
painter.restore();
}
void PluginListDelegate::drawDisplay(QPainter* painter, const QStyleOptionViewItem &option, const QRect &rect, const QString &text) const
{
QTextDocument textDocument;
textDocument.setHtml(text);
QTextLayout textLayout(textDocument.begin());
textLayout.setFont(option.font);
const int textMargin = QApplication::style()->pixelMetric(QStyle::PM_FocusFrameHMargin, 0) + 1;
QRect textRect = rect.adjusted(textMargin, 0, -textMargin, 0); // remove width padding
textLayout.beginLayout();
qreal height = 0;
while (1) {
QTextLine line = textLayout.createLine();
if (!line.isValid()) {
break;
}
line.setLineWidth(textRect.width());
height += 3;
line.setPosition(QPoint(0, height));
height += line.height();
}
textLayout.endLayout();
textLayout.draw(painter, QPointF(textRect.left(), textRect.top()));
}
QRectF STSimpleEditView::microFocusRect() const{
//QString text=m_text;
bool preedit=!m_preeditString.isEmpty();
int cursorPos=m_cursorPos;
if(preedit){
//text=text.left(m_cursorPos)+m_preeditString;
cursorPos=preeditCursorPos();
if(cursorPos==-1){
return QRectF(-10.f, -10.f, 0.f, 0.f);
}
cursorPos+=m_cursorPos;
}
const STFont::Layout& layout=textLayout();//STFont::defaultFont()->layoutString(text);
QPointF origin=textOrigin();
foreach(const STFont::LayoutGlyph& glyph, layout){
if(glyph.charIndex==cursorPos){
float pos=glyph.rect.left()+origin.x();
if(pos<1.f && pos>=0.f)pos=1.f;
if(pos>(float)m_size.width()-1.f && pos<=(float)m_size.width())pos=m_size.width()-1;
return QRectF(roundf(pos)-1.f, glyph.rect.top()-1.f+origin.y(), 2.f, 12.f);
}
}
return QRectF(0.f, 0.f, 1.f, 12.f);
}
void FileMetaDataToolTip::setName(const QString& name)
{
QTextOption textOption;
textOption.setWrapMode(QTextOption::WrapAtWordBoundaryOrAnywhere);
const QString processedName = Qt::mightBeRichText(name) ? name : KStringHandler::preProcessWrap(name);
QTextLayout textLayout(processedName);
textLayout.setFont(m_name->font());
textLayout.setTextOption(textOption);
QString wrappedText;
wrappedText.reserve(processedName.length());
// wrap the text to fit into the maximum width of m_name
textLayout.beginLayout();
QTextLine line = textLayout.createLine();
while (line.isValid()) {
line.setLineWidth(m_name->maximumWidth());
wrappedText += processedName.midRef(line.textStart(), line.textLength());
line = textLayout.createLine();
if (line.isValid()) {
wrappedText += QChar::LineSeparator;
}
}
textLayout.endLayout();
m_name->setText(wrappedText);
}
void DegreesLabel270::paintEvent( QPaintEvent* event )
{
QStyleOption opt;
opt.init(this);
QPainter p(this);
style()->drawPrimitive(QStyle::PE_Widget, &opt, &p, this);
QTextLayout textLayout(content, p.font());
textLayout.beginLayout();
drawRotatedText(&p, ROTATE270, width(), height()/2, content);
}
void STSimpleEditView::lineNavigation(bool shift, int delta) {
const STFont::Layout& layout=textLayout();
float currentLineY;
int currentLine;
if(!m_lineNavigationMode){
foreach(const STFont::LayoutGlyph& glyph, layout){
if(glyph.charIndex==m_cursorPos){
float pos=glyph.rect.left();
m_lineNavigationX=pos;
break;
}
}
m_lineNavigationMode=true;
}
void Window::paintEvent(QPaintEvent *event)
{
//! [0]
QTextLayout textLayout(text, font);
qreal margin = 10;
qreal radius = qMin(width()/2.0, height()/2.0) - margin;
QFontMetrics fm(font);
qreal lineHeight = fm.height();
qreal y = 0;
textLayout.beginLayout();
while (1) {
// create a new line
QTextLine line = textLayout.createLine();
if (!line.isValid())
break;
qreal x1 = qMax(0.0, pow(pow(radius,2)-pow(radius-y,2), 0.5));
qreal x2 = qMax(0.0, pow(pow(radius,2)-pow(radius-(y+lineHeight),2), 0.5));
qreal x = qMax(x1, x2) + margin;
qreal lineWidth = (width() - margin) - x;
line.setLineWidth(lineWidth);
line.setPosition(QPointF(x, margin+y));
y += line.height();
}
textLayout.endLayout();
QPainter painter;
painter.begin(this);
painter.setRenderHint(QPainter::Antialiasing);
painter.fillRect(rect(), Qt::white);
painter.setBrush(QBrush(Qt::black));
painter.setPen(QPen(Qt::black));
textLayout.draw(&painter, QPoint(0,0));
painter.setBrush(QBrush(QColor("#a6ce39")));
painter.setPen(QPen(Qt::black));
painter.drawEllipse(QRectF(-radius, margin, 2*radius, 2*radius));
painter.end();
//! [0]
}
//! [2]
void ElidedLabel::paintEvent(QPaintEvent *event)
{
QFrame::paintEvent(event);
QPainter painter(this);
QFontMetrics fontMetrics = painter.fontMetrics();
bool didElide = false;
int lineSpacing = fontMetrics.lineSpacing();
int y = 0;
QTextLayout textLayout(content, painter.font());
textLayout.beginLayout();
forever {
QTextLine line = textLayout.createLine();
if (!line.isValid())
break;
line.setLineWidth(width());
int nextLineY = y + lineSpacing;
if (height() >= nextLineY + lineSpacing) {
line.draw(&painter, QPoint(0, y));
y = nextLineY;
//! [2]
//! [3]
} else {
QString lastLine = content.mid(line.textStart());
QString elidedLastLine = fontMetrics.elidedText(lastLine, Qt::ElideRight, width());
painter.drawText(QPoint(0, y + fontMetrics.ascent()), elidedLastLine);
line = textLayout.createLine();
didElide = line.isValid();
break;
}
}
textLayout.endLayout();
//! [3]
//! [4]
if (didElide != elided) {
elided = didElide;
emit elisionChanged(didElide);
}
}
void ElidedLabel::paintEvent(QPaintEvent *event)
{
QLabel::paintEvent(event);
QPainter painter(this);
QFontMetrics fontMetrics = painter.fontMetrics();
QRect cr = contentsRect();
cr.adjust(margin(), margin(), -margin(), -margin());
bool didElide = false;
int lineSpacing = fontMetrics.lineSpacing();
int x, y = x =cr.top()+(cr.height()-lineSpacing)/2;
QTextLayout textLayout(mContent, painter.font());
textLayout.beginLayout();
forever {
QTextLine line = textLayout.createLine();
if (!line.isValid())
break;
line.setLineWidth(cr.width()+2*x);
int nextLineY = y + lineSpacing;
if (cr.height() >= nextLineY + lineSpacing) {
line.draw(&painter, QPoint(x, y));
y = nextLineY;
} else {
QString lastLine = mContent.mid(line.textStart());
QString elidedLastLine = fontMetrics.elidedText(lastLine, Qt::ElideRight, cr.width());
painter.drawText(QPoint(x, y + fontMetrics.ascent()), elidedLastLine);
line = textLayout.createLine();
didElide = line.isValid();
break;
}
}
textLayout.endLayout();
if (didElide != mElided) {
mElided = didElide;
emit elisionChanged(didElide);
}
}
void PluginListDelegate::drawDisplay(QPainter* painter, const QStyleOptionViewItem &option, const QRect &rect, const QString &text) const
{
QPalette::ColorGroup cg = option.state & QStyle::State_Enabled ? QPalette::Normal : QPalette::Disabled;
if (cg == QPalette::Normal && !(option.state & QStyle::State_Active)) {
cg = QPalette::Inactive;
}
if (option.state & QStyle::State_Selected) {
painter->fillRect(rect, option.palette.brush(cg, QPalette::Highlight));
painter->setPen(option.palette.color(cg, QPalette::HighlightedText));
}
else {
painter->setPen(option.palette.color(cg, QPalette::Text));
}
QTextDocument textDocument;
textDocument.setHtml(text);
QTextLayout textLayout(textDocument.begin());
textLayout.setFont(option.font);
const int textMargin = QApplication::style()->pixelMetric(QStyle::PM_FocusFrameHMargin, 0) + 1;
QRect textRect = rect.adjusted(textMargin, 0, -textMargin, 0); // remove width padding
textLayout.beginLayout();
qreal height = 0;
QTextLine line = textLayout.createLine();
while (line.isValid()) {
line.setLineWidth(textRect.width());
height += 3;
line.setPosition(QPoint(0, height));
height += line.height();
line = textLayout.createLine();
}
textLayout.endLayout();
textLayout.draw(painter, QPointF(textRect.left(), textRect.top()));
}
QStringList
StatusEventItemDelegate::layoutText(const QString &text,
const QFont &font,
int maxLineWidth,
int maxLines,
int *textHeight)
{
QTextLayout textLayout(text, font);
QFontMetrics fontMetrics(font);
QStringList lines;
qreal height = 0.0;
textLayout.beginLayout();
while (lines.size() < maxLines) {
QTextLine line = textLayout.createLine();
if (! line.isValid())
break;
if (maxLines <= 0 || lines.size() < maxLines-1) {
// Wrap the current line at or below the maximum line width
line.setLineWidth(maxLineWidth);
lines.append(text.mid(line.textStart(), line.textLength()));
} else {
// Set the line width beyond the max line width, and then elide it
// so the user has a visible indication that the full message is
// longer than what is visible.
line.setLineWidth(2 * maxLineWidth);
lines.append(fontMetrics.elidedText(text.mid(line.textStart()),
Qt::ElideRight,
maxLineWidth));
}
height += fontMetrics.leading() + line.height();
}
textLayout.endLayout();
if (textHeight)
*textHeight = qRound(height);
return lines;
}
void
ElidedLabel::paintEvent( QPaintEvent* event )
{
QFrame::paintEvent( event );
QPainter p( this );
QRect r = contentsRect();
r.adjust( m_margin, m_margin, -m_margin, -m_margin );
if ( m_multiLine )
{
QTextLayout textLayout( m_text );
textLayout.setFont( p.font() );
int widthUsed = 0;
int lineCount = 0;
int lineLimit = r.height() / fontMetrics().height();
textLayout.beginLayout();
while ( ++lineCount < lineLimit )
{
QTextLine line = textLayout.createLine();
if ( !line.isValid() )
break;
line.setLineWidth( r.width() );
widthUsed += line.naturalTextWidth();
}
textLayout.endLayout();
widthUsed += r.width();
const QString elidedText = fontMetrics().elidedText( m_text, Qt::ElideRight, widthUsed );
p.drawText( r, Qt::AlignLeft | Qt::AlignTop | Qt::TextWordWrap, elidedText );
}
else
{
const QString elidedText = fontMetrics().elidedText( m_text, m_mode, r.width() );
p.drawText( r, m_align, elidedText );
}
}
}
foreach(const STFont::LayoutGlyph& glyph, layout){
if(glyph.charIndex==m_cursorPos){
currentLineY=glyph.rect.center().y();
currentLine=glyph.line;
break;
}
}
int maxLine=layout.last().line;
currentLineY+=(float)delta*14.f;
currentLine+=delta;
int newCursorPos=STFont::defaultFont()->cursorPosAtPoint(textLayout(),
QPoint(m_lineNavigationX, currentLineY));
if(currentLine<0)newCursorPos=0;
if(currentLine>maxLine)newCursorPos=m_text.size();
m_cursorPos=newCursorPos;
if(!shift)m_markPos=m_cursorPos;
ensureCursorVisible();
blinkCursor();
updateCursor();
update();
}
QRect StyleHelper::drawText(QPainter* p, const QRect& rc, QString& str, int nLines,
int nFlags, const QColor& color, const QFont& font, bool bElided)
{
if (str.isEmpty()) {
qDebug() << "[WARNING]: the text should not be empty when drawing!";
return QRect();
}
QFontMetrics fm(font);
if (rc.height() < (fm.height() + fm.leading()) * nLines) {
qDebug() << "[WARNING]: space is not enough for drawing! text: " << str.left(30) << "...";
}
//if (rc.width() * nLines < fm.width(str)) {
// qDebug() << "[WARNING]: width should bigger than font metrics when drawing! text:" << str.left(30) << "...";
//}
p->save();
p->setPen(color);
p->setFont(font);
int nWidth = 0;
int nHeight = 0;
int nHeightLine = p->fontMetrics().height() + leading();
QRect rcRet(rc.x(), rc.y(), rc.width(), nHeightLine);
rcRet.adjust(margin(), 0, -margin(), 0);
QTextLayout textLayout(str, p->font());
QTextOption opt = textLayout.textOption();
opt.setWrapMode(QTextOption::WrapAnywhere);
textLayout.setTextOption(opt);
textLayout.beginLayout();
while (nLines) {
QTextLine line = textLayout.createLine();
if (!line.isValid()) {
break;
}
line.setLineWidth(rcRet.width());
QString lineText;
if (nLines == 1 && bElided) { // the last line
lineText = p->fontMetrics().elidedText(str, Qt::ElideRight, rcRet.width());
nWidth = qMax<int>(p->fontMetrics().width(lineText), nWidth);
} else {
lineText = str.left(line.textLength());
nWidth = qMax<int>(line.width(), nWidth);
}
str.remove(0, line.textLength());
p->drawText(rcRet, nFlags, lineText);
nHeight += nHeightLine;
rcRet.setRect(rc.x(), rc.y() + nHeight, nWidth, nHeightLine);
rcRet.adjust(margin(), 0, -margin(), 0);
nLines--;
}
textLayout.endLayout();
rcRet.setRect(rc.x() + margin(), rc.y(), nWidth + margin(), nHeight);
//rcRet.adjust(margin(), 0, -margin(), 0);
p->restore();
return rcRet;
}
void YTDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
{
painter->save();
bool white = false;
if(index.data(YTDialog::Clicked).toBool())
{
painter->drawPixmap(option.rect.adjusted(0,0,0, -1), hoverBackground );
white = true;
}
else
{
if(index.row() % 2 == 0)
{
painter->fillRect(option.rect, QColor("#f0f6ff"));
}
else
{
painter->fillRect(option.rect, Qt::white);
}
}
SingleVideoItem* item = qVariantValue<SingleVideoItem*>(index.data());
QSize sz = option.rect.size(); --sz.rheight();
painter->translate(option.rect.x() , option.rect.y());
painter->drawPixmap(0, 0, PIXWIDTH, sz.height(), item->pix );
if(index.data(YTDialog::Clicked).toBool())
{
painter->drawPixmap(0, 0, PIXWIDTH, sz.height(), pixBorderOverlayHover);
QPoint pop = QRect(0,0,PIXWIDTH, sz.height()).center() - playOverlay.rect().center();
painter->drawPixmap(pop, playOverlay);
}
else
{
painter->drawPixmap(0, 0, PIXWIDTH, sz.height(), index.row() %2 == 0 ? pixBorderOverlay1 : pixBorderOverlay2 );
}
QFont font = option.font;
font.setPixelSize(11);
QFontMetrics fm(font);
// total time
QString totalTime = timeString(item->totalTime);
QRect ttRect = fm.boundingRect(totalTime);
ttRect.adjust(-2 , 0, 4, 2);
ttRect.moveBottomRight(QPoint(PIXWIDTH -9, sz.height() -11 ));
painter->setPen(Qt::white);
painter->setFont(font);
painter->setOpacity(0.7);
painter->drawPixmap(ttRect, durationBackground);
ttRect.adjust(1, 1, 1, 0);
painter->drawText(ttRect, Qt::AlignHCenter | Qt::AlignTop, totalTime);
painter->setOpacity(1);
// Header
font.setPixelSize(14);
fm = QFontMetrics(font);
painter->setFont(font);
painter->setPen(cr(Qt::black, white));
QRect headerRect = fm.boundingRect(item->header);
headerRect = QRect( PIXWIDTH + 4 , 7, sz.width() - PIXWIDTH - 8, headerRect.height() + 4 );
painter->drawText(headerRect, Qt::AlignTop | Qt::AlignLeft | Qt::TextSingleLine,
fm.elidedText(item->header, Qt::ElideRight, headerRect.width()), &headerRect );
// Footer
font.setPixelSize(11);
fm = QFontMetrics(font);
painter->setPen(cr(QColor("#636363"), white));
painter->setFont(font);
QRect footerRect(PIXWIDTH + 4, ttRect.top(), sz.width() - PIXWIDTH - 8, ttRect.height());
painter->drawText(footerRect, Qt::AlignVCenter | Qt::AlignLeft, item->date.toString("yyyy-MM-dd"));
painter->drawText(footerRect, Qt::AlignVCenter | Qt::AlignRight, tr("%L1 views").arg(item->views));
//Description
font.setPixelSize(12);
painter->setFont(font);
QRect descRect( PIXWIDTH + 4, headerRect.bottom() + 7, sz.width() - PIXWIDTH - 8, ttRect.top() - headerRect.bottom() - 7);
QTextLayout textLayout(item->desc, font);
layoutText(textLayout, item->desc, descRect.size());
textLayout.draw(painter, descRect.topLeft());
QPen sepLinePen(QColor("#e3e3e3"));
painter->setPen(sepLinePen);
painter->drawLine(0, 90, sz.width(), 90);
painter->restore();
}
