void TextLabel::drawTextLayout(QPainter *painter, const QTextLayout &layout, const QRect &rect)
{
if (rect.width() < 1 || rect.height() < 1) {
return;
}
QPixmap pixmap(rect.size());
pixmap.fill(Qt::transparent);
QPainter p(&pixmap);
p.setPen(painter->pen());
// Create the alpha gradient for the fade out effect
QLinearGradient alphaGradient(0, 0, 1, 0);
alphaGradient.setCoordinateMode(QGradient::ObjectBoundingMode);
if (layout.textOption().textDirection() == Qt::LeftToRight) {
alphaGradient.setColorAt(0, QColor(0, 0, 0, 255));
alphaGradient.setColorAt(1, QColor(0, 0, 0, 0));
} else {
alphaGradient.setColorAt(0, QColor(0, 0, 0, 0));
alphaGradient.setColorAt(1, QColor(0, 0, 0, 255));
}
QFontMetrics fm(layout.font());
int textHeight = layout.lineCount() * fm.lineSpacing();
QPointF position(0, (rect.height() - textHeight) / 2);
QList<QRect> fadeRects;
int fadeWidth = 30;
// Draw each line in the layout
for (int i = 0; i < layout.lineCount(); i++) {
QTextLine line = layout.lineAt(i);
line.draw(&p, position);
// Add a fade out rect to the list if the line is too long
if (line.naturalTextWidth() > rect.width())
{
int x = int(qMin(line.naturalTextWidth(), (qreal)pixmap.width())) - fadeWidth;
int y = int(line.position().y() + position.y());
QRect r = QStyle::visualRect(layout.textOption().textDirection(), pixmap.rect(),
QRect(x, y, fadeWidth, int(line.height())));
fadeRects.append(r);
}
}
// Reduce the alpha in each fade out rect using the alpha gradient
if (!fadeRects.isEmpty()) {
p.setCompositionMode(QPainter::CompositionMode_DestinationIn);
foreach (const QRect &rect, fadeRects) {
p.fillRect(rect, alphaGradient);
}
//! [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);
}
}
// FIXME: we need to figure out a way to derive from Fm::FolderItemDelegate to avoid code duplication.
void DesktopItemDelegate::paint(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const {
Q_ASSERT(index.isValid());
QStyleOptionViewItemV4 opt = option;
initStyleOption(&opt, index);
painter->save();
painter->setClipRect(option.rect);
opt.decorationAlignment = Qt::AlignHCenter | Qt::AlignTop;
opt.displayAlignment = Qt::AlignTop | Qt::AlignHCenter;
// draw the icon
QIcon::Mode iconMode;
if(opt.state & QStyle::State_Enabled) {
if(opt.state & QStyle::State_Selected)
iconMode = QIcon::Selected;
else {
iconMode = QIcon::Normal;
}
}
else
iconMode = QIcon::Disabled;
QPoint iconPos(opt.rect.x() + (opt.rect.width() - opt.decorationSize.width()) / 2, opt.rect.y());
QPixmap pixmap = opt.icon.pixmap(opt.decorationSize, iconMode);
painter->drawPixmap(iconPos, pixmap);
// draw some emblems for the item if needed
// we only support symlink emblem at the moment
FmFileInfo* file = static_cast<FmFileInfo*>(index.data(Fm::FolderModel::FileInfoRole).value<void*>());
if(file) {
if(fm_file_info_is_symlink(file)) {
painter->drawPixmap(iconPos, symlinkIcon_.pixmap(opt.decorationSize / 2, iconMode));
}
}
// draw text
QRectF textRect(opt.rect.x(), opt.rect.y() + opt.decorationSize.height(), opt.rect.width(), opt.rect.height() - opt.decorationSize.height());
QTextLayout layout(opt.text, opt.font);
QTextOption textOption;
textOption.setAlignment(opt.displayAlignment);
textOption.setWrapMode(QTextOption::WrapAtWordBoundaryOrAnywhere);
textOption.setTextDirection(opt.direction);
layout.setTextOption(textOption);
qreal height = 0;
qreal width = 0;
int visibleLines = 0;
layout.beginLayout();
QString elidedText;
for(;;) {
QTextLine line = layout.createLine();
if(!line.isValid())
break;
line.setLineWidth(textRect.width());
height += opt.fontMetrics.leading();
line.setPosition(QPointF(0, height));
if((height + line.height() + textRect.y()) > textRect.bottom()) {
// if part of this line falls outside the textRect, ignore it and quit.
QTextLine lastLine = layout.lineAt(visibleLines - 1);
elidedText = opt.text.mid(lastLine.textStart());
elidedText = opt.fontMetrics.elidedText(elidedText, opt.textElideMode, textRect.width());
break;
}
height += line.height();
width = qMax(width, line.naturalTextWidth());
++ visibleLines;
}
layout.endLayout();
QRectF boundRect = layout.boundingRect();
boundRect.setWidth(width);
boundRect.moveTo(textRect.x() + (textRect.width() - width)/2, textRect.y());
if((opt.state & QStyle::State_Selected) && opt.widget) {
QPalette palette = opt.widget->palette();
// qDebug("w: %f, h:%f, m:%f", boundRect.width(), boundRect.height(), layout.minimumWidth());
painter->fillRect(boundRect, palette.highlight());
}
else { // only draw shadow for non-selected items
// draw shadow, FIXME: is it possible to use QGraphicsDropShadowEffect here?
QPen prevPen = painter->pen();
painter->setPen(QPen(shadowColor_));
for(int i = 0; i < visibleLines; ++i) {
QTextLine line = layout.lineAt(i);
if(i == (visibleLines - 1) && !elidedText.isEmpty()) { // the last line, draw elided text
QPointF pos(textRect.x() + line.position().x() + 1, textRect.y() + line.y() + line.ascent() + 1);
painter->drawText(pos, elidedText);
}
else {
line.draw(painter, textRect.topLeft() + QPointF(1, 1));
}
}
painter->setPen(prevPen);
}
// draw text
for(int i = 0; i < visibleLines; ++i) {
QTextLine line = layout.lineAt(i);
if(i == (visibleLines - 1) && !elidedText.isEmpty()) { // the last line, draw elided text
QPointF pos(textRect.x() + line.position().x(), textRect.y() + line.y() + line.ascent());
painter->drawText(pos, elidedText);
}
else {
line.draw(painter, textRect.topLeft());
}
}
if(opt.state & QStyle::State_HasFocus) {
// FIXME: draw focus rect
}
painter->restore();
}
void Font::drawComplexText(GraphicsContext* ctx, const TextRun& run, const FloatPoint& point, int from, int to) const
{
if (to < 0)
to = run.length();
QPainter *p = ctx->platformContext();
if (ctx->textDrawingMode() & cTextFill) {
if (ctx->fillGradient()) {
QBrush brush(*ctx->fillGradient()->platformGradient());
brush.setTransform(ctx->fillGradient()->gradientSpaceTransform());
p->setPen(QPen(brush, 0));
} else if (ctx->fillPattern()) {
TransformationMatrix affine;
p->setPen(QPen(QBrush(ctx->fillPattern()->createPlatformPattern(affine)), 0));
} else
p->setPen(QColor(ctx->fillColor()));
}
if (ctx->textDrawingMode() & cTextStroke) {
if (ctx->strokeGradient()) {
QBrush brush(*ctx->strokeGradient()->platformGradient());
brush.setTransform(ctx->strokeGradient()->gradientSpaceTransform());
p->setPen(QPen(brush, ctx->strokeThickness()));
} else if (ctx->strokePattern()) {
TransformationMatrix affine;
p->setPen(QPen(QBrush(ctx->strokePattern()->createPlatformPattern(affine)), ctx->strokeThickness()));
} else
p->setPen(QPen(QColor(ctx->strokeColor()), ctx->strokeThickness()));
}
const QString string = fixSpacing(qstring(run));
// text shadow
IntSize shadowSize;
int shadowBlur;
Color shadowColor;
bool hasShadow = ctx->textDrawingMode() == cTextFill && ctx->getShadow(shadowSize, shadowBlur, shadowColor);
if (from > 0 || to < run.length()) {
QTextLayout layout(string, font());
QTextLine line = setupLayout(&layout, run);
float x1 = line.cursorToX(from);
float x2 = line.cursorToX(to);
if (x2 < x1)
qSwap(x1, x2);
QFontMetrics fm(font());
int ascent = fm.ascent();
QRectF clip(point.x() + x1, point.y() - ascent, x2 - x1, fm.height());
if (hasShadow) {
// TODO: when blur support is added, the clip will need to account
// for the blur radius
qreal dx1 = 0, dx2 = 0, dy1 = 0, dy2 = 0;
if (shadowSize.width() > 0)
dx2 = shadowSize.width();
else
dx1 = -shadowSize.width();
if (shadowSize.height() > 0)
dy2 = shadowSize.height();
else
dy1 = -shadowSize.height();
// expand the clip rect to include the text shadow as well
clip.adjust(dx1, dx2, dy1, dy2);
}
p->save();
p->setClipRect(clip.toRect());
QPointF pt(point.x(), point.y() - ascent);
if (hasShadow) {
p->save();
p->setPen(QColor(shadowColor));
p->translate(shadowSize.width(), shadowSize.height());
line.draw(p, pt);
p->restore();
}
line.draw(p, pt);
p->restore();
return;
}
p->setFont(font());
QPointF pt(point.x(), point.y());
int flags = run.rtl() ? Qt::TextForceRightToLeft : Qt::TextForceLeftToRight;
if (hasShadow) {
// TODO: text shadow blur support
p->save();
p->setPen(QColor(shadowColor));
p->translate(shadowSize.width(), shadowSize.height());
p->drawText(pt, string, flags, run.padding());
p->restore();
}
if (ctx->textDrawingMode() & cTextStroke) {
QPainterPath path;
path.addText(pt, font(), string);
p->strokePath(path, p->pen());
}
if (ctx->textDrawingMode() & cTextFill)
p->drawText(pt, string, flags, run.padding());
}
// if painter is nullptr, the method calculate the bounding rectangle of the text and save it to textRect
void FolderItemDelegate::drawText(QPainter* painter, QStyleOptionViewItemV4& opt, QRectF& textRect) const {
QTextLayout layout(opt.text, opt.font);
QTextOption textOption;
textOption.setAlignment(opt.displayAlignment);
textOption.setWrapMode(QTextOption::WrapAtWordBoundaryOrAnywhere);
textOption.setTextDirection(opt.direction);
layout.setTextOption(textOption);
qreal height = 0;
qreal width = 0;
int visibleLines = 0;
layout.beginLayout();
QString elidedText;
for(;;) {
QTextLine line = layout.createLine();
if(!line.isValid())
break;
line.setLineWidth(textRect.width());
height += opt.fontMetrics.leading();
line.setPosition(QPointF(0, height));
if((height + line.height() + textRect.y()) > textRect.bottom()) {
// if part of this line falls outside the textRect, ignore it and quit.
QTextLine lastLine = layout.lineAt(visibleLines - 1);
elidedText = opt.text.mid(lastLine.textStart());
elidedText = opt.fontMetrics.elidedText(elidedText, opt.textElideMode, textRect.width());
if(visibleLines == 1) // this is the only visible line
width = textRect.width();
break;
}
height += line.height();
width = qMax(width, line.naturalTextWidth());
++ visibleLines;
}
layout.endLayout();
// draw background for selected item
QRectF boundRect = layout.boundingRect();
//qDebug() << "bound rect: " << boundRect << "width: " << width;
boundRect.setWidth(width);
boundRect.moveTo(textRect.x() + (textRect.width() - width)/2, textRect.y());
if(!painter) { // no painter, calculate the bounding rect only
textRect = boundRect;
return;
}
QPalette::ColorGroup cg = opt.state & QStyle::State_Enabled ? QPalette::Normal : QPalette::Disabled;
if(opt.state & QStyle::State_Selected) {
painter->fillRect(boundRect, opt.palette.highlight());
painter->setPen(opt.palette.color(cg, QPalette::HighlightedText));
}
else
painter->setPen(opt.palette.color(cg, QPalette::Text));
// draw text
for(int i = 0; i < visibleLines; ++i) {
QTextLine line = layout.lineAt(i);
if(i == (visibleLines - 1) && !elidedText.isEmpty()) { // the last line, draw elided text
QPointF pos(textRect.x() + line.position().x(), textRect.y() + line.y() + line.ascent());
painter->drawText(pos, elidedText);
}
else {
line.draw(painter, textRect.topLeft());
}
}
if(opt.state & QStyle::State_HasFocus) {
// draw focus rect
QStyleOptionFocusRect o;
o.QStyleOption::operator=(opt);
o.rect = boundRect.toRect(); // subElementRect(SE_ItemViewItemFocusRect, vopt, widget);
o.state |= QStyle::State_KeyboardFocusChange;
o.state |= QStyle::State_Item;
QPalette::ColorGroup cg = (opt.state & QStyle::State_Enabled)
? QPalette::Normal : QPalette::Disabled;
o.backgroundColor = opt.palette.color(cg, (opt.state & QStyle::State_Selected)
? QPalette::Highlight : QPalette::Window);
if (const QWidget* widget = opt.widget) {
QStyle* style = widget->style() ? widget->style() : qApp->style();
style->drawPrimitive(QStyle::PE_FrameFocusRect, &o, painter, widget);
}
}
}
static void drawTextCommon(GraphicsContext* ctx, const TextRun& run, const FloatPoint& point, int from, int to, const QFont& font, bool isComplexText)
{
if (to < 0)
to = run.length();
QPainter *p = ctx->platformContext();
QPen textFillPen;
if (ctx->textDrawingMode() & TextModeFill)
textFillPen = fillPenForContext(ctx);
QPen textStrokePen;
if (ctx->textDrawingMode() & TextModeStroke)
textStrokePen = strokePenForContext(ctx);
String sanitized = Font::normalizeSpaces(run.characters(), run.length());
QString string = fromRawDataWithoutRef(sanitized);
QPointF pt(point.x(), point.y());
if (from > 0 || to < run.length()) {
if (isComplexText) {
QTextLayout layout(string, font);
QTextLine line = setupLayout(&layout, run);
float x1 = line.cursorToX(from);
float x2 = line.cursorToX(to);
if (x2 < x1)
qSwap(x1, x2);
QFontMetrics fm(font);
int ascent = fm.ascent();
QRectF boundingRect(point.x() + x1, point.y() - ascent, x2 - x1, fm.height());
QRectF clip = boundingRect;
ContextShadow* ctxShadow = ctx->contextShadow();
if (ctxShadow->m_type != ContextShadow::NoShadow) {
qreal dx1 = 0, dx2 = 0, dy1 = 0, dy2 = 0;
if (ctxShadow->offset().x() > 0)
dx2 = ctxShadow->offset().x();
else
dx1 = -ctxShadow->offset().x();
if (ctxShadow->offset().y() > 0)
dy2 = ctxShadow->offset().y();
else
dy1 = -ctxShadow->offset().y();
// expand the clip rect to include the text shadow as well
clip.adjust(dx1, dx2, dy1, dy2);
clip.adjust(-ctxShadow->m_blurDistance, -ctxShadow->m_blurDistance, ctxShadow->m_blurDistance, ctxShadow->m_blurDistance);
}
p->save();
p->setClipRect(clip.toRect(), Qt::IntersectClip);
pt.setY(pt.y() - ascent);
if (ctxShadow->m_type != ContextShadow::NoShadow) {
ContextShadow* ctxShadow = ctx->contextShadow();
if (!ctxShadow->mustUseContextShadow(ctx)) {
p->save();
p->setPen(ctxShadow->m_color);
p->translate(ctxShadow->offset());
line.draw(p, pt);
p->restore();
} else {
QPainter* shadowPainter = ctxShadow->beginShadowLayer(ctx, boundingRect);
if (shadowPainter) {
// Since it will be blurred anyway, we don't care about render hints.
shadowPainter->setFont(p->font());
shadowPainter->setPen(ctxShadow->m_color);
line.draw(shadowPainter, pt);
ctxShadow->endShadowLayer(ctx);
}
}
}
p->setPen(textFillPen);
line.draw(p, pt);
p->restore();
return;
}
int skipWidth = QFontMetrics(font).width(string, from, Qt::TextBypassShaping);
pt.setX(pt.x() + skipWidth);
string = fromRawDataWithoutRef(sanitized, from, to - from);
}
p->setFont(font);
int flags = run.rtl() ? Qt::TextForceRightToLeft : Qt::TextForceLeftToRight;
if (!isComplexText && !(ctx->textDrawingMode() & TextModeStroke))
flags |= Qt::TextBypassShaping;
QPainterPath textStrokePath;
if (ctx->textDrawingMode() & TextModeStroke)
textStrokePath.addText(pt, font, string);
ContextShadow* ctxShadow = ctx->contextShadow();
if (ctxShadow->m_type != ContextShadow::NoShadow) {
if (ctx->textDrawingMode() & TextModeFill) {
if (ctxShadow->m_type != ContextShadow::BlurShadow) {
p->save();
p->setPen(ctxShadow->m_color);
p->translate(ctxShadow->offset());
p->drawText(pt, string, flags, run.expansion());
p->restore();
} else {
QFontMetrics fm(font);
QRectF boundingRect(pt.x(), point.y() - fm.ascent(), fm.width(string, -1, flags), fm.height());
QPainter* shadowPainter = ctxShadow->beginShadowLayer(ctx, boundingRect);
if (shadowPainter) {
// Since it will be blurred anyway, we don't care about render hints.
shadowPainter->setFont(p->font());
shadowPainter->setPen(ctxShadow->m_color);
shadowPainter->drawText(pt, string, flags, run.expansion());
ctxShadow->endShadowLayer(ctx);
}
}
} else if (ctx->textDrawingMode() & TextModeStroke) {
if (ctxShadow->m_type != ContextShadow::BlurShadow) {
p->translate(ctxShadow->offset());
p->strokePath(textStrokePath, QPen(ctxShadow->m_color));
p->translate(-ctxShadow->offset());
} else {
QFontMetrics fm(font);
QRectF boundingRect(pt.x(), point.y() - fm.ascent(), fm.width(string, -1, flags), fm.height());
QPainter* shadowPainter = ctxShadow->beginShadowLayer(ctx, boundingRect);
if (shadowPainter) {
// Since it will be blurred anyway, we don't care about render hints.
shadowPainter->setFont(p->font());
shadowPainter->strokePath(textStrokePath, QPen(ctxShadow->m_color));
ctxShadow->endShadowLayer(ctx);
}
}
}
}
if (ctx->textDrawingMode() & TextModeStroke)
p->strokePath(textStrokePath, textStrokePen);
if (ctx->textDrawingMode() & TextModeFill) {
QPen previousPen = p->pen();
p->setPen(textFillPen);
p->drawText(pt, string, flags, run.expansion());
p->setPen(previousPen);
}
}
void ListViewDelegate::paint ( QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index ) const
{
QStyleOptionViewItemV4 opt = option;
initStyleOption ( &opt, index );
painter->save();
painter->setClipRect ( opt.rect );
opt.features |= QStyleOptionViewItem::WrapText;
opt.text = index.data().toString();
opt.textElideMode = Qt::ElideRight;
opt.displayAlignment = Qt::AlignTop | Qt::AlignHCenter;
QStyle *style = opt.widget ? opt.widget->style() : QApplication::style();
//const int iconSize = style->pixelMetric(QStyle::PM_IconViewIconSize);
const int iconSize = 48;
QRect iconbox = opt.rect;
const int textMargin = style->pixelMetric ( QStyle::PM_FocusFrameHMargin, 0, opt.widget ) + 1;
QRect textRect = opt.rect;
QRect textHighlightRect = textRect;
// clip the decoration on top, remove width padding
textRect.adjust ( textMargin,iconSize + textMargin + 5,-textMargin,0 );
textHighlightRect.adjust ( 0,iconSize + 5,0,0 );
// draw background
{
QSize textSize = viewItemTextSize ( &opt );
QPalette::ColorGroup cg;
QStyleOptionViewItemV4 opt2(opt);
if((opt.widget && opt.widget->isEnabled()) || (opt.state & QStyle::State_Enabled))
{
if(! ( opt.state & QStyle::State_Active ))
cg = QPalette::Inactive;
else
cg = QPalette::Normal;
}
else
{
cg = QPalette::Disabled;
}
opt2.palette.setCurrentColorGroup(cg);
// fill in background, if any
if ( opt.backgroundBrush.style() != Qt::NoBrush )
{
QPointF oldBO = painter->brushOrigin();
painter->setBrushOrigin ( opt.rect.topLeft() );
painter->fillRect ( opt.rect, opt.backgroundBrush );
painter->setBrushOrigin ( oldBO );
}
if ( opt.showDecorationSelected )
{
drawSelectionRect(painter,opt2, opt.rect);
drawFocusRect(painter,opt2, opt.rect);
//painter->fillRect ( opt.rect, opt.palette.brush ( cg, QPalette::Highlight ) );
}
else
{
//if ( opt.state & QStyle::State_Selected )
{
//QRect textRect = subElementRect ( QStyle::SE_ItemViewItemText, opt, opt.widget );
//painter->fillRect ( textHighlightRect, opt.palette.brush ( cg, QPalette::Highlight ) );
drawSelectionRect(painter,opt2, textHighlightRect);
drawFocusRect(painter,opt2, textHighlightRect);
}
}
}
// draw the icon
{
QIcon::Mode mode = QIcon::Normal;
if ( ! ( opt.state & QStyle::State_Enabled ) )
mode = QIcon::Disabled;
else if ( opt.state & QStyle::State_Selected )
mode = QIcon::Selected;
QIcon::State state = opt.state & QStyle::State_Open ? QIcon::On : QIcon::Off;
iconbox.setHeight ( iconSize );
opt.icon.paint ( painter, iconbox, Qt::AlignCenter, mode, state );
}
// set the text colors
QPalette::ColorGroup cg = opt.state & QStyle::State_Enabled ? QPalette::Normal : QPalette::Disabled;
if ( cg == QPalette::Normal && ! ( opt.state & QStyle::State_Active ) )
cg = QPalette::Inactive;
if ( opt.state & QStyle::State_Selected )
{
painter->setPen ( opt.palette.color ( cg, QPalette::HighlightedText ) );
}
else
{
painter->setPen ( opt.palette.color ( cg, QPalette::Text ) );
}
// draw the text
QTextOption textOption;
textOption.setWrapMode ( QTextOption::WrapAtWordBoundaryOrAnywhere );
textOption.setTextDirection ( opt.direction );
textOption.setAlignment ( QStyle::visualAlignment ( opt.direction, opt.displayAlignment ) );
QTextLayout textLayout;
textLayout.setTextOption ( textOption );
textLayout.setFont ( opt.font );
textLayout.setText ( opt.text );
qreal width, height;
viewItemTextLayout ( textLayout, iconbox.width(), height, width );
const int lineCount = textLayout.lineCount();
const QRect layoutRect = QStyle::alignedRect ( opt.direction, opt.displayAlignment, QSize ( iconbox.width(), int ( height ) ), textRect );
const QPointF position = layoutRect.topLeft();
for ( int i = 0; i < lineCount; ++i )
{
const QTextLine line = textLayout.lineAt ( i );
line.draw ( painter, position );
}
painter->restore();
}
static void drawTextCommon(GraphicsContext* ctx, const TextRun& run, const FloatPoint& point, int from, int to, const QFont& font, bool isComplexText)
{
if (to < 0)
to = run.length();
QPainter *p = ctx->platformContext();
QPen textFillPen;
if (ctx->textDrawingMode() & cTextFill) {
if (ctx->fillGradient()) {
QBrush brush(*ctx->fillGradient()->platformGradient());
brush.setTransform(ctx->fillGradient()->gradientSpaceTransform());
textFillPen = QPen(brush, 0);
} else if (ctx->fillPattern()) {
AffineTransform affine;
textFillPen = QPen(QBrush(ctx->fillPattern()->createPlatformPattern(affine)), 0);
} else
textFillPen = QPen(QColor(ctx->fillColor()));
}
QPen textStrokePen;
if (ctx->textDrawingMode() & cTextStroke) {
if (ctx->strokeGradient()) {
QBrush brush(*ctx->strokeGradient()->platformGradient());
brush.setTransform(ctx->strokeGradient()->gradientSpaceTransform());
textStrokePen = QPen(brush, ctx->strokeThickness());
} else if (ctx->strokePattern()) {
AffineTransform affine;
QBrush brush(ctx->strokePattern()->createPlatformPattern(affine));
textStrokePen = QPen(brush, ctx->strokeThickness());
} else
textStrokePen = QPen(QColor(ctx->strokeColor()), ctx->strokeThickness());
}
String sanitized = Font::normalizeSpaces(String(run.characters(), run.length()));
QString string = fromRawDataWithoutRef(sanitized);
QPointF pt(point.x(), point.y());
// text shadow
IntSize shadowSize;
int shadowBlur;
Color shadowColor;
bool hasShadow = ctx->textDrawingMode() == cTextFill && ctx->getShadow(shadowSize, shadowBlur, shadowColor);
if (from > 0 || to < run.length()) {
if (isComplexText) {
QTextLayout layout(string, font);
QTextLine line = setupLayout(&layout, run);
float x1 = line.cursorToX(from);
float x2 = line.cursorToX(to);
if (x2 < x1)
qSwap(x1, x2);
QFontMetrics fm(font);
int ascent = fm.ascent();
QRectF clip(fm.boundingRect(string));
if (hasShadow) {
// TODO: when blur support is added, the clip will need to account
// for the blur radius
qreal dx1 = 0, dx2 = 0, dy1 = 0, dy2 = 0;
if (shadowSize.width() > 0)
dx2 = shadowSize.width();
else
dx1 = -shadowSize.width();
if (shadowSize.height() > 0)
dy2 = shadowSize.height();
else
dy1 = -shadowSize.height();
// expand the clip rect to include the text shadow as well
clip.adjust(dx1, dx2, dy1, dy2);
}
p->save();
//p->setClipRect(clip.toRect(), Qt::IntersectClip);
pt.setY(pt.y() - ascent);
if (hasShadow) {
p->save();
p->setPen(QColor(shadowColor));
p->translate(shadowSize.width(), shadowSize.height());
line.draw(p, pt);
p->restore();
}
p->setPen(textFillPen);
line.draw(p, pt);
p->restore();
return;
}
#if QT_VERSION >= QT_VERSION_CHECK(4, 7, 0)
int skipWidth = QFontMetrics(font).width(string, from, Qt::TextBypassShaping);
pt.setX(pt.x() + skipWidth);
string = fromRawDataWithoutRef(sanitized, from, to - from);
#endif
}
p->setFont(font);
int flags = run.rtl() ? Qt::TextForceRightToLeft : Qt::TextForceLeftToRight;
#if QT_VERSION >= QT_VERSION_CHECK(4, 7, 0)
// See QWebPagePrivate::QWebPagePrivate() where the default path is set to Complex for Qt 4.6 and earlier.
if (!isComplexText)
flags |= Qt::TextBypassShaping;
#endif
QFontMetrics fm(font);
QRectF clip(pt.x(), pt.y()-fm.ascent(), fm.width(string, -1, flags), fm.height());
if (hasShadow) {
// TODO: text shadow blur support
p->save();
p->translate(shadowSize.width(), shadowSize.height());
//p->setClipRect(clip, Qt::IntersectClip);
p->setPen(QColor(shadowColor));
p->drawText(pt, string, flags, run.padding());
p->restore();
}
if (ctx->textDrawingMode() & cTextStroke) {
QPainterPath path;
path.addText(pt, font, string);
p->save();
//p->setClipRect(clip, Qt::IntersectClip);
p->setPen(textStrokePen);
p->strokePath(path, p->pen());
p->restore();
}
if (ctx->textDrawingMode() & cTextFill) {
p->save();
//p->setClipRect(clip, Qt::IntersectClip);
p->setPen(textFillPen);
p->drawText(pt, string, flags, run.padding());
p->restore();
}
}
void Font::drawComplexText(GraphicsContext* ctx, const TextRun& run, const FloatPoint& point, int from, int to) const
{
if (to < 0)
to = run.length();
QPainter *p = ctx->platformContext();
Color color = ctx->fillColor();
p->setPen(QColor(color));
QString string = qstring(run);
// text shadow
IntSize shadowSize;
int shadowBlur;
Color shadowColor;
bool hasShadow = ctx->textDrawingMode() == cTextFill && ctx->getShadow(shadowSize, shadowBlur, shadowColor);
if (from > 0 || to < run.length()) {
QTextLayout layout(string, font());
QTextLine line = setupLayout(&layout, run);
float x1 = line.cursorToX(from);
float x2 = line.cursorToX(to);
if (x2 < x1)
qSwap(x1, x2);
QFontMetrics fm(font());
int ascent = fm.ascent();
QRectF clip(point.x() + x1, point.y() - ascent, x2 - x1, fm.height());
if (hasShadow) {
// TODO: when blur support is added, the clip will need to account
// for the blur radius
qreal dx1 = 0, dx2 = 0, dy1 = 0, dy2 = 0;
if (shadowSize.width() > 0)
dx2 = shadowSize.width();
else
dx1 = -shadowSize.width();
if (shadowSize.height() > 0)
dy2 = shadowSize.height();
else
dy1 = -shadowSize.height();
// expand the clip rect to include the text shadow as well
clip.adjust(dx1, dx2, dy1, dy2);
}
p->save();
p->setClipRect(clip.toRect());
QPointF pt(point.x(), point.y() - ascent);
if (hasShadow) {
p->save();
p->setPen(QColor(shadowColor));
p->translate(shadowSize.width(), shadowSize.height());
line.draw(p, pt);
p->restore();
}
line.draw(p, pt);
p->restore();
return;
}
p->setFont(font());
QPointF pt(point.x(), point.y());
int flags = run.rtl() ? Qt::TextForceRightToLeft : Qt::TextForceLeftToRight;
if (hasShadow) {
// TODO: text shadow blur support
p->save();
p->setPen(QColor(shadowColor));
p->translate(shadowSize.width(), shadowSize.height());
p->drawText(pt, string, flags, run.padding());
p->restore();
}
p->drawText(pt, string, flags, run.padding());
}
static void drawTextCommon(GraphicsContext* ctx, const TextRun& run, const FloatPoint& point, int from, int to, const QFont& font, bool isComplexText)
{
if (to < 0)
to = run.length();
QPainter *p = ctx->platformContext();
QPen textFillPen;
if (ctx->textDrawingMode() & TextModeFill) {
if (ctx->fillGradient()) {
QBrush brush(*ctx->fillGradient()->platformGradient());
brush.setTransform(ctx->fillGradient()->gradientSpaceTransform());
textFillPen = QPen(brush, 0);
} else if (ctx->fillPattern()) {
AffineTransform affine;
textFillPen = QPen(QBrush(ctx->fillPattern()->createPlatformPattern(affine)), 0);
} else
textFillPen = QPen(QColor(ctx->fillColor()));
}
QPen textStrokePen;
if (ctx->textDrawingMode() & TextModeStroke) {
if (ctx->strokeGradient()) {
QBrush brush(*ctx->strokeGradient()->platformGradient());
brush.setTransform(ctx->strokeGradient()->gradientSpaceTransform());
textStrokePen = QPen(brush, ctx->strokeThickness());
} else if (ctx->strokePattern()) {
AffineTransform affine;
QBrush brush(ctx->strokePattern()->createPlatformPattern(affine));
textStrokePen = QPen(brush, ctx->strokeThickness());
} else
textStrokePen = QPen(QColor(ctx->strokeColor()), ctx->strokeThickness());
}
String sanitized = Font::normalizeSpaces(String(run.characters(), run.length()));
QString string = fromRawDataWithoutRef(sanitized);
QPointF pt(point.x(), point.y());
if (from > 0 || to < run.length()) {
if (isComplexText) {
QTextLayout layout(string, font);
QTextLine line = setupLayout(&layout, run);
float x1 = line.cursorToX(from);
float x2 = line.cursorToX(to);
if (x2 < x1)
qSwap(x1, x2);
QFontMetrics fm(font);
int ascent = fm.ascent();
QRectF boundingRect(point.x() + x1, point.y() - ascent, x2 - x1, fm.height());
QRectF clip = boundingRect;
ContextShadow* ctxShadow = ctx->contextShadow();
if (ctxShadow->m_type != ContextShadow::NoShadow) {
qreal dx1 = 0, dx2 = 0, dy1 = 0, dy2 = 0;
if (ctxShadow->offset().x() > 0)
dx2 = ctxShadow->offset().x();
else
dx1 = -ctxShadow->offset().x();
if (ctxShadow->offset().y() > 0)
dy2 = ctxShadow->offset().y();
else
dy1 = -ctxShadow->offset().y();
// expand the clip rect to include the text shadow as well
clip.adjust(dx1, dx2, dy1, dy2);
clip.adjust(-ctxShadow->m_blurDistance, -ctxShadow->m_blurDistance, ctxShadow->m_blurDistance, ctxShadow->m_blurDistance);
}
p->save();
p->setClipRect(clip.toRect(), Qt::IntersectClip);
pt.setY(pt.y() - ascent);
if (ctxShadow->m_type != ContextShadow::NoShadow) {
ContextShadow* ctxShadow = ctx->contextShadow();
if (!ctxShadow->mustUseContextShadow(p)) {
p->save();
p->setPen(ctxShadow->m_color);
p->translate(ctxShadow->offset());
line.draw(p, pt);
p->restore();
} else {
QPainter* shadowPainter = ctxShadow->beginShadowLayer(p, boundingRect);
if (shadowPainter) {
// Since it will be blurred anyway, we don't care about render hints.
shadowPainter->setFont(p->font());
shadowPainter->setPen(ctxShadow->m_color);
line.draw(shadowPainter, pt);
ctxShadow->endShadowLayer(p);
}
}
}
p->setPen(textFillPen);
line.draw(p, pt);
p->restore();
return;
}
#if QT_VERSION >= QT_VERSION_CHECK(4, 7, 0)
int skipWidth = QFontMetrics(font).width(string, from, Qt::TextBypassShaping);
pt.setX(pt.x() + skipWidth);
string = fromRawDataWithoutRef(sanitized, from, to - from);
#endif
}
p->setFont(font);
int flags = run.rtl() ? Qt::TextForceRightToLeft : Qt::TextForceLeftToRight;
#if QT_VERSION >= QT_VERSION_CHECK(4, 7, 0)
// See QWebPagePrivate::QWebPagePrivate() where the default path is set to Complex for Qt 4.6 and earlier.
if (!isComplexText && !(ctx->textDrawingMode() & TextModeStroke))
flags |= Qt::TextBypassShaping;
#endif
QPainterPath textStrokePath;
if (ctx->textDrawingMode() & TextModeStroke)
textStrokePath.addText(pt, font, string);
ContextShadow* ctxShadow = ctx->contextShadow();
if (ctxShadow->m_type != ContextShadow::NoShadow) {
if (ctx->textDrawingMode() & TextModeFill) {
if (ctxShadow->m_type != ContextShadow::BlurShadow) {
p->save();
p->setPen(ctxShadow->m_color);
p->translate(ctxShadow->offset());
p->drawText(pt, string, flags, run.padding());
p->restore();
} else {
QFontMetrics fm(font);
#if QT_VERSION >= QT_VERSION_CHECK(4, 7, 0)
QRectF boundingRect(pt.x(), point.y() - fm.ascent(), fm.width(string, -1, flags), fm.height());
#else
QRectF boundingRect(pt.x(), point.y() - fm.ascent(), fm.width(string), fm.height());
#endif
QPainter* shadowPainter = ctxShadow->beginShadowLayer(p, boundingRect);
if (shadowPainter) {
// Since it will be blurred anyway, we don't care about render hints.
shadowPainter->setFont(p->font());
shadowPainter->setPen(ctxShadow->m_color);
shadowPainter->drawText(pt, string, flags, run.padding());
ctxShadow->endShadowLayer(p);
}
}
} else if (ctx->textDrawingMode() & TextModeStroke) {
if (ctxShadow->m_type != ContextShadow::BlurShadow) {
p->translate(ctxShadow->offset());
p->strokePath(textStrokePath, QPen(ctxShadow->m_color));
p->translate(-ctxShadow->offset());
} else {
QFontMetrics fm(font);
#if QT_VERSION >= QT_VERSION_CHECK(4, 7, 0)
QRectF boundingRect(pt.x(), point.y() - fm.ascent(), fm.width(string, -1, flags), fm.height());
#else
QRectF boundingRect(pt.x(), point.y() - fm.ascent(), fm.width(string), fm.height());
#endif
QPainter* shadowPainter = ctxShadow->beginShadowLayer(p, boundingRect);
if (shadowPainter) {
// Since it will be blurred anyway, we don't care about render hints.
shadowPainter->setFont(p->font());
shadowPainter->strokePath(textStrokePath, QPen(ctxShadow->m_color));
ctxShadow->endShadowLayer(p);
}
}
}
}
if (ctx->textDrawingMode() & TextModeStroke)
p->strokePath(textStrokePath, textStrokePen);
if (ctx->textDrawingMode() & TextModeFill) {
QPen previousPen = p->pen();
p->setPen(textFillPen);
p->drawText(pt, string, flags, run.padding());
p->setPen(previousPen);
}
}
