void CodeEditor::paintEvent(QPaintEvent* event)
{
QPlainTextEdit::paintEvent(event);
QPainter painter(viewport());
painter.setPen(Qt::darkGray);
QTextBlock block = firstVisibleBlock();
QRectF rect;
do {
if (!block.isVisible())
continue;
rect = blockBoundingGeometry(block).translated(contentOffset());
QTextLine line = block.layout()->lineAt(0);
if (config->whitespaces) {
QString txt = block.text();
for (int i = 0; i < txt.length(); i++) {
// rect.x() <- учитывая горизонтальный скролинг
QPoint point(rect.x() + line.cursorToX(i), rect.y() + line.ascent());
if (txt[i] == ' ')
painter.drawText(point, QChar(0x00b7));
else if (txt[i] == '\t')
painter.drawText(point, QChar(0x21b9));
}
}
int state = block.userState();
if (!(state & Error) && state & Folded) {
QRect collapseRect(rect.x() + line.rect().x() + line.naturalTextWidth() + FONTWIDTH * 2,
rect.y() + 2, FONTWIDTH * 6, line.height() - 4);
painter.drawText(collapseRect, Qt::AlignCenter, state & Comment ? "...;" : "...)");
painter.drawRoundedRect(collapseRect, 4, 6);
}
} while ((block = block.next()).isValid() && rect.y() < viewport()->height());
}
void QSvgText::draw(QPainter *p, QSvgExtraStates &states)
{
applyStyle(p, states);
qreal oldOpacity = p->opacity();
p->setOpacity(oldOpacity * states.fillOpacity);
// Force the font to have a size of 100 pixels to avoid truncation problems
// when the font is very small.
qreal scale = 100.0 / p->font().pointSizeF();
Qt::Alignment alignment = states.textAnchor;
QTransform oldTransform = p->worldTransform();
p->scale(1 / scale, 1 / scale);
qreal y = 0;
bool initial = true;
qreal px = m_coord.x() * scale;
qreal py = m_coord.y() * scale;
QSizeF scaledSize = m_size * scale;
if (m_type == TEXTAREA) {
if (alignment == Qt::AlignHCenter)
px += scaledSize.width() / 2;
else if (alignment == Qt::AlignRight)
px += scaledSize.width();
}
QRectF bounds;
if (m_size.height() != 0)
bounds = QRectF(0, py, 1, scaledSize.height()); // x and width are not used.
bool appendSpace = false;
QVector<QString> paragraphs;
QStack<QTextCharFormat> formats;
QVector<QList<QTextLayout::FormatRange> > formatRanges;
paragraphs.push_back(QString());
formatRanges.push_back(QList<QTextLayout::FormatRange>());
for (int i = 0; i < m_tspans.size(); ++i) {
if (m_tspans[i] == LINEBREAK) {
if (m_type == TEXTAREA) {
if (paragraphs.back().isEmpty()) {
QFont font = p->font();
font.setPixelSize(font.pointSizeF() * scale);
QTextLayout::FormatRange range;
range.start = 0;
range.length = 1;
range.format.setFont(font);
formatRanges.back().append(range);
paragraphs.back().append(QLatin1Char(' '));;
}
appendSpace = false;
paragraphs.push_back(QString());
formatRanges.push_back(QList<QTextLayout::FormatRange>());
}
} else {
WhitespaceMode mode = m_tspans[i]->whitespaceMode();
m_tspans[i]->applyStyle(p, states);
QFont font = p->font();
font.setPixelSize(font.pointSizeF() * scale);
QString newText(m_tspans[i]->text());
newText.replace(QLatin1Char('\t'), QLatin1Char(' '));
newText.replace(QLatin1Char('\n'), QLatin1Char(' '));
bool prependSpace = !appendSpace && !m_tspans[i]->isTspan() && (mode == Default) && !paragraphs.back().isEmpty() && newText.startsWith(QLatin1Char(' '));
if (appendSpace || prependSpace)
paragraphs.back().append(QLatin1Char(' '));
bool appendSpaceNext = (!m_tspans[i]->isTspan() && (mode == Default) && newText.endsWith(QLatin1Char(' ')));
if (mode == Default) {
newText = newText.simplified();
if (newText.isEmpty())
appendSpaceNext = false;
}
QTextLayout::FormatRange range;
range.start = paragraphs.back().length();
range.length = newText.length();
range.format.setFont(font);
range.format.setTextOutline(p->pen());
range.format.setForeground(p->brush());
if (appendSpace) {
Q_ASSERT(!formatRanges.back().isEmpty());
++formatRanges.back().back().length;
} else if (prependSpace) {
--range.start;
++range.length;
}
formatRanges.back().append(range);
appendSpace = appendSpaceNext;
paragraphs.back() += newText;
m_tspans[i]->revertStyle(p, states);
}
}
if (states.svgFont) {
// SVG fonts not fully supported...
QString text = paragraphs.front();
for (int i = 1; i < paragraphs.size(); ++i) {
text.append(QLatin1Char('\n'));
text.append(paragraphs[i]);
}
states.svgFont->draw(p, m_coord * scale, text, p->font().pointSizeF() * scale, states.textAnchor);
} else {
for (int i = 0; i < paragraphs.size(); ++i) {
QTextLayout tl(paragraphs[i]);
QTextOption op = tl.textOption();
op.setWrapMode(QTextOption::WrapAtWordBoundaryOrAnywhere);
tl.setTextOption(op);
tl.setAdditionalFormats(formatRanges[i]);
tl.beginLayout();
forever {
QTextLine line = tl.createLine();
if (!line.isValid())
break;
if (m_size.width() != 0)
line.setLineWidth(scaledSize.width());
}
tl.endLayout();
bool endOfBoundsReached = false;
for (int i = 0; i < tl.lineCount(); ++i) {
QTextLine line = tl.lineAt(i);
qreal x = 0;
if (alignment == Qt::AlignHCenter)
x -= 0.5 * line.naturalTextWidth();
else if (alignment == Qt::AlignRight)
x -= line.naturalTextWidth();
if (initial && m_type == TEXT)
y -= line.ascent();
initial = false;
line.setPosition(QPointF(x, y));
// Check if the current line fits into the bounding rectangle.
if ((m_size.width() != 0 && line.naturalTextWidth() > scaledSize.width())
|| (m_size.height() != 0 && y + line.height() > scaledSize.height())) {
// I need to set the bounds height to 'y-epsilon' to avoid drawing the current
// line. Since the font is scaled to 100 units, 1 should be a safe epsilon.
bounds.setHeight(y - 1);
endOfBoundsReached = true;
break;
}
y += 1.1 * line.height();
}
tl.draw(p, QPointF(px, py), QVector<QTextLayout::FormatRange>(), bounds);
if (endOfBoundsReached)
break;
}
}
p->setWorldTransform(oldTransform, false);
p->setOpacity(oldOpacity);
revertStyle(p, states);
}
// 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();
}
// 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);
}
}
}
void QSvgText::draw(QPainter *p, QSvgExtraStates &states)
{
applyStyle(p, states);
QSvgFontStyle *fontStyle = static_cast<QSvgFontStyle*>(
styleProperty(QSvgStyleProperty::FONT));
if (fontStyle && fontStyle->svgFont()) {
// SVG fonts not fully supported...
QString text = m_paragraphs.front();
for (int i = 1; i < m_paragraphs.size(); ++i) {
text.append(QLatin1Char('\n'));
text.append(m_paragraphs[i]);
}
fontStyle->svgFont()->draw(p, m_coord, text, fontStyle->pointSize(), m_textAlignment);
revertStyle(p, states);
return;
}
// Scale the font to its correct size.
QTransform oldTransform = p->worldTransform();
p->scale(1 / m_scale, 1 / m_scale);
qreal y = 0;
bool initial = true;
qreal px = m_coord.x() * m_scale;
qreal py = m_coord.y() * m_scale;
QSizeF scaledSize = m_size * m_scale;
if (m_type == TEXTAREA) {
if (m_textAlignment == Qt::AlignHCenter)
px += scaledSize.width() / 2;
else if (m_textAlignment == Qt::AlignRight)
px += scaledSize.width();
}
QRectF bounds;
if (m_size.height() != 0)
bounds = QRectF(0, 0, 1, scaledSize.height());
for (int i = 0; i < m_paragraphs.size(); ++i) {
QTextLayout tl(m_paragraphs[i]);
QTextOption op = tl.textOption();
op.setWrapMode(QTextOption::WrapAtWordBoundaryOrAnywhere);
tl.setTextOption(op);
tl.setAdditionalFormats(m_formatRanges[i]);
tl.beginLayout();
forever {
QTextLine line = tl.createLine();
if (!line.isValid())
break;
if (m_size.width() != 0)
line.setLineWidth(scaledSize.width());
}
tl.endLayout();
bool endOfBoundsReached = false;
for (int i = 0; i < tl.lineCount(); ++i) {
QTextLine line = tl.lineAt(i);
qreal x = 0;
if (m_textAlignment == Qt::AlignHCenter)
x -= line.naturalTextWidth() / 2;
else if (m_textAlignment == Qt::AlignRight)
x -= line.naturalTextWidth();
if (initial && m_type == TEXT)
y -= line.ascent();
initial = false;
line.setPosition(QPointF(x, y));
if ((m_size.width() != 0 && line.naturalTextWidth() > scaledSize.width())
|| (m_size.height() != 0 && y + line.height() > scaledSize.height())) {
bounds.setHeight(y);
endOfBoundsReached = true;
break;
}
y += 1.1 * line.height();
}
tl.draw(p, QPointF(px, py), QVector<QTextLayout::FormatRange>(), bounds);
if (endOfBoundsReached)
break;
}
p->setWorldTransform(oldTransform, false);
revertStyle(p, states);
}
void KoTextShapeContainerModel::proposeMove(KoShape *child, QPointF &move)
{
Relation *relation = d->children.value(child);
if (relation == 0 || relation->anchor == 0)
return;
QPointF newPosition = child->position() + move;
QRectF parentShapeRect(QPointF(0, 0), child->parent()->size());
//kDebug(32500) <<"proposeMove:" << move <<" |" << newPosition <<" |" << parentShapeRect;
if (qAbs(newPosition.x()) < 10) // align left
relation->anchor->setAlignment(KoTextAnchor::Left);
else if (qAbs(parentShapeRect.width() - newPosition.x()) < 10.0)
relation->anchor->setAlignment(KoTextAnchor::Right);
else if (qAbs(parentShapeRect.width() / 2.0 - newPosition.x()) < 10.0)
relation->anchor->setAlignment(KoTextAnchor::Center);
/*else {
relation->anchor->setAlignment(KoTextAnchor::HorizontalOffset);
// TODO
//QPointF offset = relation->anchor->offset();
//offset.setX(offset.x() + move.x());
//relation->anchor->setOffset(offset);
} */
if (qAbs(newPosition.y()) < 10.0) // TopOfFrame
{
kDebug(32500) <<" TopOfFrame";
relation->anchor->setAlignment(KoTextAnchor::TopOfFrame);
} else if (qAbs(parentShapeRect.height() - newPosition.y()) < 10.0) {
kDebug(32500) <<" BottomOfFrame";
relation->anchor->setAlignment(KoTextAnchor::BottomOfFrame); // TODO
} else { // need layout info..
QTextBlock block = relation->anchor->document()->findBlock(relation->anchor->positionInDocument());
QTextLayout *layout = block.layout();
if (layout->lineCount() > 0) {
KoTextShapeData *data = dynamic_cast<KoTextShapeData*>(child->parent()->userData());
Q_ASSERT(data);
QTextLine tl = layout->lineAt(0);
qreal y = tl.y() - data->documentOffset() - newPosition.y();
if (y >= 0 && y < 10) {
kDebug(32500) <<" TopOfParagraph" << y <<"";
relation->anchor->setAlignment(KoTextAnchor::TopOfParagraph);
} else {
tl = layout->lineAt(layout->lineCount() - 1);
y = newPosition.y() - tl.y() - data->documentOffset() - tl.ascent();
if (y >= 0 && y < 10) {
kDebug(32500) <<" BottomOfParagraph" << y;
relation->anchor->setAlignment(KoTextAnchor::BottomOfParagraph); // TODO
} else {
tl = layout->lineForTextPosition(relation->anchor->positionInDocument() - block.position());
y = tl.y() - data->documentOffset() - newPosition.y();
if (y >= 0 && y < 10) {
kDebug(32500) <<" AboveCurrentLine";
relation->anchor->setAlignment(KoTextAnchor::AboveCurrentLine);
}
//else do VerticalOffset here as well?
}
}
}
}
move.setX(0); // let the text layout move it.
move.setY(0);
}
