diff --git a/src/view/kateviewhelpers.cpp b/src/view/kateviewhelpers.cpp index d1694384..0d48cef3 100644 --- a/src/view/kateviewhelpers.cpp +++ b/src/view/kateviewhelpers.cpp @@ -1,3094 +1,3095 @@ /* This file is part of the KDE libraries Copyright (C) 2008, 2009 Matthew Woehlke Copyright (C) 2007 Mirko Stocker Copyright (C) 2002 John Firebaugh Copyright (C) 2001 Anders Lund Copyright (C) 2001 Christoph Cullmann Copyright (C) 2011 Svyatoslav Kuzmich Copyright (C) 2012 Kåre Särs (Minimap) Copyright 2017-2018 Friedrich W. H. Kossebau This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License version 2 as published by the Free Software Foundation. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #include "kateviewhelpers.h" #include "katecmd.h" #include #include #include #include "kateconfig.h" #include "katedocument.h" #include #include "katerenderer.h" #include "kateannotationitemdelegate.h" #include "kateview.h" #include "kateviewinternal.h" #include "katelayoutcache.h" #include "katetextlayout.h" #include "kateglobal.h" #include "katepartdebug.h" #include "katecommandrangeexpressionparser.h" #include "kateabstractinputmode.h" #include "katetextpreview.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include //BEGIN KateMessageLayout KateMessageLayout::KateMessageLayout(QWidget *parent) : QLayout(parent) { } KateMessageLayout::~KateMessageLayout() { while (QLayoutItem *item = takeAt(0)) delete item; } void KateMessageLayout::addItem(QLayoutItem *item) { Q_ASSERT(false); add(item, KTextEditor::Message::CenterInView); } void KateMessageLayout::addWidget(QWidget *widget, KTextEditor::Message::MessagePosition pos) { add(new QWidgetItem(widget), pos); } int KateMessageLayout::count() const { return m_items.size(); } QLayoutItem *KateMessageLayout::itemAt(int index) const { if (index < 0 || index >= m_items.size()) return nullptr; return m_items[index]->item; } void KateMessageLayout::setGeometry(const QRect &rect) { QLayout::setGeometry(rect); const int s = spacing(); const QRect adjustedRect = rect.adjusted(s, s, -s, -s); for (auto wrapper : m_items) { QLayoutItem *item = wrapper->item; auto position = wrapper->position; if (position == KTextEditor::Message::TopInView) { const QRect r(adjustedRect.width() - item->sizeHint().width(), s, item->sizeHint().width(), item->sizeHint().height()); item->setGeometry(r); } else if (position == KTextEditor::Message::BottomInView) { const QRect r(adjustedRect.width() - item->sizeHint().width(), adjustedRect.height() - item->sizeHint().height(), item->sizeHint().width(), item->sizeHint().height()); item->setGeometry(r); } else if (position == KTextEditor::Message::CenterInView) { QRect r(0, 0, item->sizeHint().width(), item->sizeHint().height()); r.moveCenter(adjustedRect.center()); item->setGeometry(r); } else { Q_ASSERT_X(false, "setGeometry", "Only TopInView, CenterInView, and BottomInView are supported."); } } } QSize KateMessageLayout::sizeHint() const { return QSize(); } QLayoutItem *KateMessageLayout::takeAt(int index) { if (index >= 0 && index < m_items.size()) { ItemWrapper *layoutStruct = m_items.takeAt(index); return layoutStruct->item; } return nullptr; } void KateMessageLayout::add(QLayoutItem *item, KTextEditor::Message::MessagePosition pos) { m_items.push_back(new ItemWrapper(item, pos)); } //END KateMessageLayout //BEGIN KateScrollBar static const int s_lineWidth = 100; static const int s_pixelMargin = 8; static const int s_linePixelIncLimit = 6; const unsigned char KateScrollBar::characterOpacity[256] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // <- 15 0, 0, 0, 0, 0, 0, 0, 0, 255, 0, 255, 0, 0, 0, 0, 0, // <- 31 0, 125, 41, 221, 138, 195, 218, 21, 142, 142, 137, 137, 97, 87, 87, 140, // <- 47 223, 164, 183, 190, 191, 193, 214, 158, 227, 216, 103, 113, 146, 140, 146, 149, // <- 63 248, 204, 240, 174, 217, 197, 178, 205, 209, 176, 168, 211, 160, 246, 238, 218, // <- 79 195, 229, 227, 196, 167, 212, 188, 238, 197, 169, 189, 158, 21, 151, 115, 90, // <- 95 15, 192, 209, 153, 208, 187, 162, 221, 183, 149, 161, 191, 146, 203, 167, 182, // <- 111 208, 203, 139, 166, 158, 167, 157, 189, 164, 179, 156, 167, 145, 166, 109, 0, // <- 127 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // <- 143 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // <- 159 0, 125, 184, 187, 146, 201, 127, 203, 89, 194, 156, 141, 117, 87, 202, 88, // <- 175 115, 165, 118, 121, 85, 190, 236, 87, 88, 111, 151, 140, 194, 191, 203, 148, // <- 191 215, 215, 222, 224, 223, 234, 230, 192, 208, 208, 216, 217, 187, 187, 194, 195, // <- 207 228, 255, 228, 228, 235, 239, 237, 150, 255, 222, 222, 229, 232, 180, 197, 225, // <- 223 208, 208, 216, 217, 212, 230, 218, 170, 202, 202, 211, 204, 156, 156, 165, 159, // <- 239 214, 194, 197, 197, 206, 206, 201, 132, 214, 183, 183, 192, 187, 195, 227, 198 }; KateScrollBar::KateScrollBar(Qt::Orientation orientation, KateViewInternal *parent) : QScrollBar(orientation, parent->m_view) , m_middleMouseDown(false) , m_leftMouseDown(false) , m_view(parent->m_view) , m_doc(parent->doc()) , m_viewInternal(parent) , m_textPreview(nullptr) , m_showMarks(false) , m_showMiniMap(false) , m_miniMapAll(true) , m_miniMapWidth(40) , m_grooveHeight(height()) , m_linesModified(0) { connect(this, SIGNAL(valueChanged(int)), this, SLOT(sliderMaybeMoved(int))); connect(m_doc, SIGNAL(marksChanged(KTextEditor::Document*)), this, SLOT(marksChanged())); m_updateTimer.setInterval(300); m_updateTimer.setSingleShot(true); QTimer::singleShot(10, this, SLOT(updatePixmap())); // track mouse for text preview widget setMouseTracking(orientation == Qt::Vertical); // setup text preview timer m_delayTextPreviewTimer.setSingleShot(true); m_delayTextPreviewTimer.setInterval(250); connect(&m_delayTextPreviewTimer, SIGNAL(timeout()), this, SLOT(showTextPreview())); } KateScrollBar::~KateScrollBar() { delete m_textPreview; } void KateScrollBar::setShowMiniMap(bool b) { if (b && !m_showMiniMap) { connect(m_view, SIGNAL(selectionChanged(KTextEditor::View*)), &m_updateTimer, SLOT(start()), Qt::UniqueConnection); connect(m_doc, SIGNAL(textChanged(KTextEditor::Document*)), &m_updateTimer, SLOT(start()), Qt::UniqueConnection); connect(m_view, SIGNAL(delayedUpdateOfView()), &m_updateTimer, SLOT(start()), Qt::UniqueConnection); connect(&m_updateTimer, SIGNAL(timeout()), this, SLOT(updatePixmap()), Qt::UniqueConnection); connect(&(m_view->textFolding()), SIGNAL(foldingRangesChanged()), &m_updateTimer, SLOT(start()), Qt::UniqueConnection); } else if (!b) { disconnect(&m_updateTimer); } m_showMiniMap = b; updateGeometry(); update(); } QSize KateScrollBar::sizeHint() const { if (m_showMiniMap) { return QSize(m_miniMapWidth, QScrollBar::sizeHint().height()); } return QScrollBar::sizeHint(); } int KateScrollBar::minimapYToStdY(int y) { // Check if the minimap fills the whole scrollbar if (m_stdGroveRect.height() == m_mapGroveRect.height()) { return y; } // check if y is on the step up/down if ((y < m_stdGroveRect.top()) || (y > m_stdGroveRect.bottom())) { return y; } if (y < m_mapGroveRect.top()) { return m_stdGroveRect.top() + 1; } if (y > m_mapGroveRect.bottom()) { return m_stdGroveRect.bottom() - 1; } // check for div/0 if (m_mapGroveRect.height() == 0) { return y; } int newY = (y - m_mapGroveRect.top()) * m_stdGroveRect.height() / m_mapGroveRect.height(); newY += m_stdGroveRect.top(); return newY; } void KateScrollBar::mousePressEvent(QMouseEvent *e) { // delete text preview hideTextPreview(); if (e->button() == Qt::MidButton) { m_middleMouseDown = true; } else if (e->button() == Qt::LeftButton) { m_leftMouseDown = true; } if (m_showMiniMap) { if (m_leftMouseDown) { // if we show the minimap left-click jumps directly to the selected position int newVal = (e->pos().y()-m_mapGroveRect.top()) / (double)m_mapGroveRect.height() * (double)(maximum()+pageStep()) - pageStep()/2; newVal = qBound(0, newVal, maximum()); setSliderPosition(newVal); } QMouseEvent eMod(QEvent::MouseButtonPress, QPoint(6, minimapYToStdY(e->pos().y())), e->button(), e->buttons(), e->modifiers()); QScrollBar::mousePressEvent(&eMod); } else { QScrollBar::mousePressEvent(e); } m_toolTipPos = e->globalPos() - QPoint(e->pos().x(), 0); const int fromLine = m_viewInternal->toRealCursor(m_viewInternal->startPos()).line() + 1; const int lastLine = m_viewInternal->toRealCursor(m_viewInternal->endPos()).line() + 1; QToolTip::showText(m_toolTipPos, i18nc("from line - to line", "
%1
—
%2
", fromLine, lastLine), this); redrawMarks(); } void KateScrollBar::mouseReleaseEvent(QMouseEvent *e) { if (e->button() == Qt::MidButton) { m_middleMouseDown = false; } else if (e->button() == Qt::LeftButton) { m_leftMouseDown = false; } redrawMarks(); if (m_leftMouseDown || m_middleMouseDown) { QToolTip::hideText(); } if (m_showMiniMap) { QMouseEvent eMod(QEvent::MouseButtonRelease, QPoint(e->pos().x(), minimapYToStdY(e->pos().y())), e->button(), e->buttons(), e->modifiers()); QScrollBar::mouseReleaseEvent(&eMod); } else { QScrollBar::mouseReleaseEvent(e); } } void KateScrollBar::mouseMoveEvent(QMouseEvent *e) { if (m_showMiniMap) { QMouseEvent eMod(QEvent::MouseMove, QPoint(e->pos().x(), minimapYToStdY(e->pos().y())), e->button(), e->buttons(), e->modifiers()); QScrollBar::mouseMoveEvent(&eMod); } else { QScrollBar::mouseMoveEvent(e); } if (e->buttons() & (Qt::LeftButton | Qt::MidButton)) { redrawMarks(); // current line tool tip m_toolTipPos = e->globalPos() - QPoint(e->pos().x(), 0); const int fromLine = m_viewInternal->toRealCursor(m_viewInternal->startPos()).line() + 1; const int lastLine = m_viewInternal->toRealCursor(m_viewInternal->endPos()).line() + 1; QToolTip::showText(m_toolTipPos, i18nc("from line - to line", "
%1
—
%2
", fromLine, lastLine), this); } showTextPreviewDelayed(); } void KateScrollBar::leaveEvent(QEvent *event) { hideTextPreview(); QAbstractSlider::leaveEvent(event); } bool KateScrollBar::eventFilter(QObject *object, QEvent *event) { Q_UNUSED(object) if (m_textPreview && event->type() == QEvent::WindowDeactivate) { // We need hide the scrollbar TextPreview widget hideTextPreview(); } return false; } void KateScrollBar::paintEvent(QPaintEvent *e) { if (m_doc->marks().size() != m_lines.size()) { recomputeMarksPositions(); } if (m_showMiniMap) { miniMapPaintEvent(e); } else { normalPaintEvent(e); } } void KateScrollBar::showTextPreviewDelayed() { if (!m_textPreview) { if (!m_delayTextPreviewTimer.isActive()) { m_delayTextPreviewTimer.start(); } } else { showTextPreview(); } } void KateScrollBar::showTextPreview() { if (orientation() != Qt::Vertical || isSliderDown() || (minimum() == maximum()) || !m_view->config()->scrollBarPreview()) { return; } // only show when main window is active (#392396) if (window() && !window()->isActiveWindow()) { return; } QRect grooveRect; if (m_showMiniMap) { // If mini-map is shown, the height of the map might not be the whole height grooveRect = m_mapGroveRect; } else { QStyleOptionSlider opt; opt.init(this); opt.subControls = QStyle::SC_None; opt.activeSubControls = QStyle::SC_None; opt.orientation = orientation(); opt.minimum = minimum(); opt.maximum = maximum(); opt.sliderPosition = sliderPosition(); opt.sliderValue = value(); opt.singleStep = singleStep(); opt.pageStep = pageStep(); grooveRect = style()->subControlRect(QStyle::CC_ScrollBar, &opt, QStyle::SC_ScrollBarGroove, this); } if (m_view->config()->scrollPastEnd()) { // Adjust the grove size to accommodate the added pageStep at the bottom int adjust = pageStep()*grooveRect.height() / (maximum() + pageStep() - minimum()); grooveRect.adjust(0,0,0, -adjust); } const QPoint cursorPos = mapFromGlobal(QCursor::pos()); if (grooveRect.contains(cursorPos)) { if (!m_textPreview) { m_textPreview = new KateTextPreview(m_view, this); m_textPreview->setAttribute(Qt::WA_ShowWithoutActivating); m_textPreview->setFrameStyle(QFrame::StyledPanel); // event filter to catch application WindowDeactivate event, to hide the preview window qApp->installEventFilter(this); } const qreal posInPercent = static_cast(cursorPos.y() - grooveRect.top()) / grooveRect.height(); const qreal startLine = posInPercent * m_view->textFolding().visibleLines(); m_textPreview->resize(m_view->width() / 2, m_view->height() / 5); const int xGlobal = mapToGlobal(QPoint(0, 0)).x(); const int yGlobal = qMin(mapToGlobal(QPoint(0, height())).y() - m_textPreview->height(), qMax(mapToGlobal(QPoint(0, 0)).y(), mapToGlobal(cursorPos).y() - m_textPreview->height() / 2)); m_textPreview->move(xGlobal - m_textPreview->width(), yGlobal); m_textPreview->setLine(startLine); m_textPreview->setCenterView(true); m_textPreview->setScaleFactor(0.8); m_textPreview->raise(); m_textPreview->show(); } else { hideTextPreview(); } } void KateScrollBar::hideTextPreview() { if (m_delayTextPreviewTimer.isActive()) { m_delayTextPreviewTimer.stop(); } qApp->removeEventFilter(this); delete m_textPreview; } // This function is optimized for bing called in sequence. const QColor KateScrollBar::charColor(const QVector &attributes, int &attributeIndex, const QVector &decorations, const QColor &defaultColor, int x, QChar ch) { QColor color = defaultColor; bool styleFound = false; // Query the decorations, that is, things like search highlighting, or the // KDevelop DUChain highlighting, for a color to use foreach (const QTextLayout::FormatRange &range, decorations) { if (range.start <= x && range.start + range.length > x) { // If there's a different background color set (search markers, ...) // use that, otherwise use the foreground color. if (range.format.hasProperty(QTextFormat::BackgroundBrush)) { color = range.format.background().color(); } else { color = range.format.foreground().color(); } styleFound = true; break; } } // If there's no decoration set for the current character (this will mostly be the case for // plain Kate), query the styles, that is, the default kate syntax highlighting. if (!styleFound) { // go to the block containing x while ((attributeIndex < attributes.size()) && ((attributes[attributeIndex].offset + attributes[attributeIndex].length) < x)) { ++attributeIndex; } if ((attributeIndex < attributes.size()) && (x < attributes[attributeIndex].offset + attributes[attributeIndex].length)) { color = m_view->renderer()->attribute(attributes[attributeIndex].attributeValue)->foreground().color(); } } // Query how much "blackness" the character has. // This causes for example a dot or a dash to appear less intense // than an A or similar. // This gives the pixels created a bit of structure, which makes it look more // like real text. color.setAlpha((ch.unicode() < 256) ? characterOpacity[ch.unicode()] : 222); return color; } void KateScrollBar::updatePixmap() { //QTime time; //time.start(); if (!m_showMiniMap) { // make sure no time is wasted if the option is disabled return; } // For performance reason, only every n-th line will be drawn if the widget is // sufficiently small compared to the amount of lines in the document. int docLineCount = m_view->textFolding().visibleLines(); int pixmapLineCount = docLineCount; if (m_view->config()->scrollPastEnd()) { pixmapLineCount += pageStep(); } int pixmapLinesUnscaled = pixmapLineCount; if (m_grooveHeight < 5) { m_grooveHeight = 5; } int lineDivisor = pixmapLinesUnscaled / m_grooveHeight; if (lineDivisor < 1) { lineDivisor = 1; } int charIncrement = 1; int lineIncrement = 1; if ((m_grooveHeight > 10) && (pixmapLineCount >= m_grooveHeight * 2)) { charIncrement = pixmapLineCount / m_grooveHeight; while (charIncrement > s_linePixelIncLimit) { lineIncrement++; pixmapLineCount = pixmapLinesUnscaled / lineIncrement; charIncrement = pixmapLineCount / m_grooveHeight; } pixmapLineCount /= charIncrement; } int pixmapLineWidth = s_pixelMargin + s_lineWidth / charIncrement; //qCDebug(LOG_KTE) << "l" << lineIncrement << "c" << charIncrement << "d" << lineDivisor; //qCDebug(LOG_KTE) << "pixmap" << pixmapLineCount << pixmapLineWidth << "docLines" << m_view->textFolding().visibleLines() << "height" << m_grooveHeight; const QColor backgroundColor = m_view->defaultStyleAttribute(KTextEditor::dsNormal)->background().color(); const QColor defaultTextColor = m_view->defaultStyleAttribute(KTextEditor::dsNormal)->foreground().color(); const QColor selectionBgColor = m_view->renderer()->config()->selectionColor(); QColor modifiedLineColor = m_view->renderer()->config()->modifiedLineColor(); QColor savedLineColor = m_view->renderer()->config()->savedLineColor(); // move the modified line color away from the background color modifiedLineColor.setHsv(modifiedLineColor.hue(), 255, 255 - backgroundColor.value() / 3); savedLineColor.setHsv(savedLineColor.hue(), 100, 255 - backgroundColor.value() / 3); // increase dimensions by ratio m_pixmap = QPixmap(pixmapLineWidth * m_view->devicePixelRatioF(), pixmapLineCount * m_view->devicePixelRatioF()); m_pixmap.fill(QColor("transparent")); // The text currently selected in the document, to be drawn later. const KTextEditor::Range &selection = m_view->selectionRange(); QPainter painter; if (painter.begin(&m_pixmap)) { // init pen once, afterwards, only change it if color changes to avoid a lot of allocation for setPen painter.setPen(selectionBgColor); // Do not force updates of the highlighting if the document is very large bool simpleMode = m_doc->lines() > 7500; int pixelY = 0; int drawnLines = 0; // Iterate over all visible lines, drawing them. for (int virtualLine = 0; virtualLine < docLineCount; virtualLine += lineIncrement) { int realLineNumber = m_view->textFolding().visibleLineToLine(virtualLine); QString lineText = m_doc->line(realLineNumber); if (!simpleMode) { m_doc->buffer().ensureHighlighted(realLineNumber); } const Kate::TextLine &kateline = m_doc->plainKateTextLine(realLineNumber); const QVector &attributes = kateline->attributesList(); QVector decorations = m_view->renderer()->decorationsForLine(kateline, realLineNumber); int attributeIndex = 0; // Draw selection if it is on an empty line if (selection.contains(KTextEditor::Cursor(realLineNumber, 0)) && lineText.size() == 0) { if (selectionBgColor != painter.pen().color()) { painter.setPen(selectionBgColor); } painter.drawLine(s_pixelMargin, pixelY, s_pixelMargin + s_lineWidth - 1, pixelY); } // Iterate over the line to draw the background int selStartX = -1; int selEndX = -1; int pixelX = s_pixelMargin; // use this to control the offset of the text from the left for (int x = 0; (x < lineText.size() && x < s_lineWidth); x += charIncrement) { if (pixelX >= s_lineWidth + s_pixelMargin) { break; } // Query the selection and draw it behind the character if (selection.contains(KTextEditor::Cursor(realLineNumber, x))) { if (selStartX == -1) selStartX = pixelX; selEndX = pixelX; if (lineText.size() - 1 == x) { selEndX = s_lineWidth + s_pixelMargin-1; } } if (lineText[x] == QLatin1Char('\t')) { pixelX += qMax(4 / charIncrement, 1); // FIXME: tab width... } else { pixelX++; } } if (selStartX != -1) { if (selectionBgColor != painter.pen().color()) { painter.setPen(selectionBgColor); } painter.drawLine(selStartX, pixelY, selEndX, pixelY); } // Iterate over all the characters in the current line pixelX = s_pixelMargin; for (int x = 0; (x < lineText.size() && x < s_lineWidth); x += charIncrement) { if (pixelX >= s_lineWidth + s_pixelMargin) { break; } // draw the pixels if (lineText[x] == QLatin1Char(' ')) { pixelX++; } else if (lineText[x] == QLatin1Char('\t')) { pixelX += qMax(4 / charIncrement, 1); // FIXME: tab width... } else { const QColor newPenColor(charColor(attributes, attributeIndex, decorations, defaultTextColor, x, lineText[x])); if (newPenColor != painter.pen().color()) { painter.setPen(newPenColor); } // Actually draw the pixel with the color queried from the renderer. painter.drawPoint(pixelX, pixelY); pixelX++; } } drawnLines++; if (((drawnLines) % charIncrement) == 0) { pixelY++; } } //qCDebug(LOG_KTE) << drawnLines; // Draw line modification marker map. // Disable this if the document is really huge, // since it requires querying every line. if (m_doc->lines() < 50000) { for (int lineno = 0; lineno < docLineCount; lineno++) { int realLineNo = m_view->textFolding().visibleLineToLine(lineno); const Kate::TextLine &line = m_doc->plainKateTextLine(realLineNo); const QColor & col = line->markedAsModified() ? modifiedLineColor : savedLineColor; if (line->markedAsModified() || line->markedAsSavedOnDisk()) { painter.fillRect(2, lineno / lineDivisor, 3, 1, col); } } } // end painting painter.end(); } // set right ratio m_pixmap.setDevicePixelRatio(m_view->devicePixelRatioF()); //qCDebug(LOG_KTE) << time.elapsed(); // Redraw the scrollbar widget with the updated pixmap. update(); } void KateScrollBar::miniMapPaintEvent(QPaintEvent *e) { QScrollBar::paintEvent(e); QPainter painter(this); QStyleOptionSlider opt; opt.init(this); opt.subControls = QStyle::SC_None; opt.activeSubControls = QStyle::SC_None; opt.orientation = orientation(); opt.minimum = minimum(); opt.maximum = maximum(); opt.sliderPosition = sliderPosition(); opt.sliderValue = value(); opt.singleStep = singleStep(); opt.pageStep = pageStep(); QRect grooveRect = style()->subControlRect(QStyle::CC_ScrollBar, &opt, QStyle::SC_ScrollBarGroove, this); m_stdGroveRect = grooveRect; if (style()->subControlRect(QStyle::CC_ScrollBar, &opt, QStyle::SC_ScrollBarSubLine, this).height() == 0) { int alignMargin = style()->pixelMetric(QStyle::PM_FocusFrameVMargin, &opt, this); grooveRect.moveTop(alignMargin); grooveRect.setHeight(grooveRect.height() - alignMargin); } if (style()->subControlRect(QStyle::CC_ScrollBar, &opt, QStyle::SC_ScrollBarAddLine, this).height() == 0) { int alignMargin = style()->pixelMetric(QStyle::PM_FocusFrameVMargin, &opt, this); grooveRect.setHeight(grooveRect.height() - alignMargin); } m_grooveHeight = grooveRect.height(); const int docXMargin = 1; //style()->drawControl(QStyle::CE_ScrollBarAddLine, &opt, &painter, this); //style()->drawControl(QStyle::CE_ScrollBarSubLine, &opt, &painter, this); // calculate the document size and position const int docHeight = qMin(grooveRect.height(), int(m_pixmap.height() / m_pixmap.devicePixelRatio() * 2)) - 2 * docXMargin; const int yoffset = 1; // top-aligned in stead of center-aligned (grooveRect.height() - docHeight) / 2; const QRect docRect(QPoint(grooveRect.left() + docXMargin, yoffset + grooveRect.top()), QSize(grooveRect.width() - docXMargin, docHeight)); m_mapGroveRect = docRect; // calculate the visible area int max = qMax(maximum() + 1, 1); int visibleStart = value() * docHeight / (max + pageStep()) + docRect.top() + 0.5; int visibleEnd = (value() + pageStep()) * docHeight / (max + pageStep()) + docRect.top(); QRect visibleRect = docRect; visibleRect.moveTop(visibleStart); visibleRect.setHeight(visibleEnd - visibleStart); // calculate colors const QColor backgroundColor = m_view->defaultStyleAttribute(KTextEditor::dsNormal)->background().color(); const QColor foregroundColor = m_view->defaultStyleAttribute(KTextEditor::dsNormal)->foreground().color(); const QColor highlightColor = palette().link().color(); const int backgroundLightness = backgroundColor.lightness(); const int foregroundLightness = foregroundColor.lightness(); const int lighnessDiff = (foregroundLightness - backgroundLightness); // get a color suited for the color theme QColor darkShieldColor = palette().color(QPalette::Mid); int hue, sat, light; darkShieldColor.getHsl(&hue, &sat, &light); // apply suitable lightness darkShieldColor.setHsl(hue, sat, backgroundLightness + lighnessDiff * 0.35); // gradient for nicer results QLinearGradient gradient(0, 0, width(), 0); gradient.setColorAt(0, darkShieldColor); gradient.setColorAt(0.3, darkShieldColor.lighter(115)); gradient.setColorAt(1, darkShieldColor); QColor lightShieldColor; lightShieldColor.setHsl(hue, sat, backgroundLightness + lighnessDiff * 0.15); QColor outlineColor; outlineColor.setHsl(hue, sat, backgroundLightness + lighnessDiff * 0.5); // draw the grove background in case the document is small painter.setPen(Qt::NoPen); painter.setBrush(backgroundColor); painter.drawRect(grooveRect); // adjust the rectangles QRect sliderRect = style()->subControlRect(QStyle::CC_ScrollBar, &opt, QStyle::SC_ScrollBarSlider, this); sliderRect.setX(docXMargin); sliderRect.setWidth(width() - docXMargin*2); if ((docHeight + 2 * docXMargin >= grooveRect.height()) && (sliderRect.height() > visibleRect.height() + 2)) { visibleRect.adjust(2, 0, -3, 0); } else { visibleRect.adjust(1, 0, -1, 2); sliderRect.setTop(visibleRect.top() - 1); sliderRect.setBottom(visibleRect.bottom() + 1); } // Smooth transform only when squeezing if (grooveRect.height() < m_pixmap.height() / m_pixmap.devicePixelRatio()) { painter.setRenderHint(QPainter::SmoothPixmapTransform); } // draw the modified lines margin QRect pixmapMarginRect(QPoint(0, 0), QSize(s_pixelMargin, m_pixmap.height() / m_pixmap.devicePixelRatio())); QRect docPixmapMarginRect(QPoint(0, docRect.top()), QSize(s_pixelMargin, docRect.height())); painter.drawPixmap(docPixmapMarginRect, m_pixmap, pixmapMarginRect); // calculate the stretch and draw the stretched lines (scrollbar marks) QRect pixmapRect(QPoint(s_pixelMargin, 0), QSize(m_pixmap.width() / m_pixmap.devicePixelRatio() - s_pixelMargin, m_pixmap.height() / m_pixmap.devicePixelRatio())); QRect docPixmapRect(QPoint(s_pixelMargin, docRect.top()), QSize(docRect.width() - s_pixelMargin, docRect.height())); painter.drawPixmap(docPixmapRect, m_pixmap, pixmapRect); // delimit the end of the document const int y = docPixmapRect.height() + grooveRect.y(); if (y+2 < grooveRect.y() + grooveRect.height()) { QColor fg(foregroundColor); fg.setAlpha(30); painter.setBrush(Qt::NoBrush); painter.setPen(QPen(fg, 1)); painter.drawLine(grooveRect.x()+1,y+2,width()-1,y+2); } // fade the invisible sections const QRect top( grooveRect.x(), grooveRect.y(), grooveRect.width(), visibleRect.y()-grooveRect.y() //Pen width ); const QRect bottom( grooveRect.x(), grooveRect.y()+visibleRect.y()+visibleRect.height()-grooveRect.y(), //Pen width grooveRect.width(), grooveRect.height() - (visibleRect.y()-grooveRect.y())-visibleRect.height() ); QColor faded(backgroundColor); faded.setAlpha(110); painter.fillRect(top, faded); painter.fillRect(bottom, faded); // add a thin line to limit the scrollbar QColor c(foregroundColor); c.setAlpha(10); painter.setPen(QPen(c,1)); painter.drawLine(0, 0, 0, height()); if (m_showMarks) { QHashIterator it = m_lines; QPen penBg; penBg.setWidth(4); lightShieldColor.setAlpha(180); penBg.setColor(lightShieldColor); painter.setPen(penBg); while (it.hasNext()) { it.next(); int y = (it.key() - grooveRect.top()) * docHeight / grooveRect.height() + docRect.top();; painter.drawLine(6, y, width() - 6, y); } it = m_lines; QPen pen; pen.setWidth(2); while (it.hasNext()) { it.next(); pen.setColor(it.value()); painter.setPen(pen); int y = (it.key() - grooveRect.top()) * docHeight / grooveRect.height() + docRect.top(); painter.drawLine(6, y, width() - 6, y); } } // slider outline QColor sliderColor(highlightColor); sliderColor.setAlpha(50); painter.fillRect(sliderRect, sliderColor); painter.setPen(QPen(highlightColor, 0)); // rounded rect looks ugly for some reason, so we draw 4 lines. painter.drawLine(sliderRect.left(), sliderRect.top() + 1, sliderRect.left(), sliderRect.bottom() - 1); painter.drawLine(sliderRect.right(), sliderRect.top() + 1, sliderRect.right(), sliderRect.bottom() - 1); painter.drawLine(sliderRect.left() + 1, sliderRect.top(), sliderRect.right() - 1, sliderRect.top()); painter.drawLine(sliderRect.left() + 1, sliderRect.bottom(), sliderRect.right() - 1, sliderRect.bottom()); } void KateScrollBar::normalPaintEvent(QPaintEvent *e) { QScrollBar::paintEvent(e); if (!m_showMarks) { return; } QPainter painter(this); QStyleOptionSlider opt; opt.init(this); opt.subControls = QStyle::SC_None; opt.activeSubControls = QStyle::SC_None; opt.orientation = orientation(); opt.minimum = minimum(); opt.maximum = maximum(); opt.sliderPosition = sliderPosition(); opt.sliderValue = value(); opt.singleStep = singleStep(); opt.pageStep = pageStep(); QRect rect = style()->subControlRect(QStyle::CC_ScrollBar, &opt, QStyle::SC_ScrollBarSlider, this); int sideMargin = width() - rect.width(); if (sideMargin < 4) { sideMargin = 4; } sideMargin /= 2; QHashIterator it = m_lines; while (it.hasNext()) { it.next(); painter.setPen(it.value()); if (it.key() < rect.top() || it.key() > rect.bottom()) { painter.drawLine(0, it.key(), width(), it.key()); } else { painter.drawLine(0, it.key(), sideMargin, it.key()); painter.drawLine(width() - sideMargin, it.key(), width(), it.key()); } } } void KateScrollBar::resizeEvent(QResizeEvent *e) { QScrollBar::resizeEvent(e); m_updateTimer.start(); m_lines.clear(); update(); } void KateScrollBar::sliderChange(SliderChange change) { // call parents implementation QScrollBar::sliderChange(change); if (change == QAbstractSlider::SliderValueChange) { redrawMarks(); } else if (change == QAbstractSlider::SliderRangeChange) { marksChanged(); } if (m_leftMouseDown || m_middleMouseDown) { const int fromLine = m_viewInternal->toRealCursor(m_viewInternal->startPos()).line() + 1; const int lastLine = m_viewInternal->toRealCursor(m_viewInternal->endPos()).line() + 1; QToolTip::showText(m_toolTipPos, i18nc("from line - to line", "
%1
—
%2
", fromLine, lastLine), this); } } void KateScrollBar::marksChanged() { m_lines.clear(); update(); } void KateScrollBar::redrawMarks() { if (!m_showMarks) { return; } update(); } void KateScrollBar::recomputeMarksPositions() { // get the style options to compute the scrollbar pixels QStyleOptionSlider opt; initStyleOption(&opt); QRect grooveRect = style()->subControlRect(QStyle::CC_ScrollBar, &opt, QStyle::SC_ScrollBarGroove, this); // cache top margin and groove height const int top = grooveRect.top(); const int h = grooveRect.height() - 1; // make sure we have a sane height if (h <= 0) { return; } // get total visible (=without folded) lines in the document int visibleLines = m_view->textFolding().visibleLines() - 1; if (m_view->config()->scrollPastEnd()) { visibleLines += m_viewInternal->linesDisplayed() - 1; visibleLines -= m_view->config()->autoCenterLines(); } // now repopulate the scrollbar lines list m_lines.clear(); const QHash &marks = m_doc->marks(); for (QHash::const_iterator i = marks.constBegin(); i != marks.constEnd(); ++i) { KTextEditor::Mark *mark = i.value(); const int line = m_view->textFolding().lineToVisibleLine(mark->line); const double ratio = static_cast(line) / visibleLines; m_lines.insert(top + (int)(h * ratio), KateRendererConfig::global()->lineMarkerColor((KTextEditor::MarkInterface::MarkTypes)mark->type)); } } void KateScrollBar::sliderMaybeMoved(int value) { if (m_middleMouseDown) { // we only need to emit this signal once, as for the following slider // movements the signal sliderMoved() is already emitted. // Thus, set m_middleMouseDown to false right away. m_middleMouseDown = false; emit sliderMMBMoved(value); } } //END //BEGIN KateCmdLineEditFlagCompletion /** * This class provide completion of flags. It shows a short description of * each flag, and flags are appended. */ class KateCmdLineEditFlagCompletion : public KCompletion { public: KateCmdLineEditFlagCompletion() { ; } QString makeCompletion(const QString & /*s*/) override { return QString(); } }; //END KateCmdLineEditFlagCompletion //BEGIN KateCmdLineEdit KateCommandLineBar::KateCommandLineBar(KTextEditor::ViewPrivate *view, QWidget *parent) : KateViewBarWidget(true, parent) { QHBoxLayout *topLayout = new QHBoxLayout(); centralWidget()->setLayout(topLayout); topLayout->setContentsMargins(0, 0, 0, 0); m_lineEdit = new KateCmdLineEdit(this, view); connect(m_lineEdit, SIGNAL(hideRequested()), SIGNAL(hideMe())); topLayout->addWidget(m_lineEdit); QToolButton *helpButton = new QToolButton(this); helpButton->setAutoRaise(true); helpButton->setIcon(QIcon::fromTheme(QStringLiteral("help-contextual"))); topLayout->addWidget(helpButton); connect(helpButton, SIGNAL(clicked()), this, SLOT(showHelpPage())); setFocusProxy(m_lineEdit); } void KateCommandLineBar::showHelpPage() { KHelpClient::invokeHelp(QStringLiteral("advanced-editing-tools-commandline"), QStringLiteral("kate")); } KateCommandLineBar::~KateCommandLineBar() { } // inserts the given string in the command line edit and (if selected = true) selects it so the user // can type over it if they want to void KateCommandLineBar::setText(const QString &text, bool selected) { m_lineEdit->setText(text); if (selected) { m_lineEdit->selectAll(); } } void KateCommandLineBar::execute(const QString &text) { m_lineEdit->slotReturnPressed(text); } KateCmdLineEdit::KateCmdLineEdit(KateCommandLineBar *bar, KTextEditor::ViewPrivate *view) : KLineEdit() , m_view(view) , m_bar(bar) , m_msgMode(false) , m_histpos(0) , m_cmdend(0) , m_command(nullptr) { connect(this, SIGNAL(returnPressed(QString)), this, SLOT(slotReturnPressed(QString))); setCompletionObject(KateCmd::self()->commandCompletionObject()); setAutoDeleteCompletionObject(false); m_hideTimer = new QTimer(this); m_hideTimer->setSingleShot(true); connect(m_hideTimer, SIGNAL(timeout()), this, SLOT(hideLineEdit())); // make sure the timer is stopped when the user switches views. if not, focus will be given to the // wrong view when KateViewBar::hideCurrentBarWidget() is called after 4 seconds. (the timer is // used for showing things like "Success" for four seconds after the user has used the kate // command line) connect(m_view, SIGNAL(focusOut(KTextEditor::View*)), m_hideTimer, SLOT(stop())); } void KateCmdLineEdit::hideEvent(QHideEvent *e) { Q_UNUSED(e); } QString KateCmdLineEdit::helptext(const QPoint &) const { QString beg = QStringLiteral("
Help: "); QString mid = QStringLiteral("
"); QString end = QStringLiteral("
"); QString t = text(); QRegExp re(QLatin1String("\\s*help\\s+(.*)")); if (re.indexIn(t) > -1) { QString s; // get help for command QString name = re.cap(1); if (name == QLatin1String("list")) { return beg + i18n("Available Commands") + mid + KateCmd::self()->commandList().join(QLatin1Char(' ')) + i18n("

For help on individual commands, do 'help <command>'

") + end; } else if (! name.isEmpty()) { KTextEditor::Command *cmd = KateCmd::self()->queryCommand(name); if (cmd) { if (cmd->help(m_view, name, s)) { return beg + name + mid + s + end; } else { return beg + name + mid + i18n("No help for '%1'", name) + end; } } else { return beg + mid + i18n("No such command %1", name) + end; } } } return beg + mid + i18n( "

This is the Katepart command line.
" "Syntax: command [ arguments ]
" "For a list of available commands, enter help list
" "For help for individual commands, enter help <command>

") + end; } bool KateCmdLineEdit::event(QEvent *e) { if (e->type() == QEvent::QueryWhatsThis) { setWhatsThis(helptext(QPoint())); e->accept(); return true; } return KLineEdit::event(e); } /** * Parse the text as a command. * * The following is a simple PEG grammar for the syntax of the command. * (A PEG grammar is like a BNF grammar, except that "/" stands for * ordered choice: only the first matching rule is used. In other words, * the parsing is short-circuited in the manner of the "or" operator in * programming languages, and so the grammar is unambiguous.) * * Text <- Range? Command * / Position * Range <- Position ("," Position)? * / "%" * Position <- Base Offset? * Base <- Line * / LastLine * / ThisLine * / Mark * Offset <- [+-] Base * Line <- [0-9]+ * LastLine <- "$" * ThisLine <- "." * Mark <- "'" [a-z] */ void KateCmdLineEdit::slotReturnPressed(const QString &text) { if (text.isEmpty()) { return; } // silently ignore leading space characters uint n = 0; const uint textlen = text.length(); while ((n < textlen) && (text[n].isSpace())) { n++; } if (n >= textlen) { return; } QString cmd = text.mid(n); // Parse any leading range expression, and strip it (and maybe do some other transforms on the command). QString leadingRangeExpression; KTextEditor::Range range = CommandRangeExpressionParser::parseRangeExpression(cmd, m_view, leadingRangeExpression, cmd); // Built in help: if the command starts with "help", [try to] show some help if (cmd.startsWith(QLatin1String("help"))) { QWhatsThis::showText(mapToGlobal(QPoint(0, 0)), helptext(QPoint())); clear(); KateCmd::self()->appendHistory(cmd); m_histpos = KateCmd::self()->historyLength(); m_oldText.clear(); return; } if (cmd.length() > 0) { KTextEditor::Command *p = KateCmd::self()->queryCommand(cmd); m_oldText = leadingRangeExpression + cmd; m_msgMode = true; // the following commands changes the focus themselves, so bar should be hidden before execution. if (QRegExp(QLatin1String("buffer|b|new|vnew|bp|bprev|bn|bnext|bf|bfirst|bl|blast|edit|e")).exactMatch(cmd.split(QLatin1Char(' ')).at(0))) { emit hideRequested(); } if (!p) { setText(i18n("No such command: \"%1\"", cmd)); } else if (range.isValid() && !p->supportsRange(cmd)) { // Raise message, when the command does not support ranges. setText(i18n("Error: No range allowed for command \"%1\".", cmd)); } else { QString msg; if (p->exec(m_view, cmd, msg, range)) { // append command along with range (will be empty if none given) to history KateCmd::self()->appendHistory(leadingRangeExpression + cmd); m_histpos = KateCmd::self()->historyLength(); m_oldText.clear(); if (msg.length() > 0) { setText(i18n("Success: ") + msg); } else if (isVisible()) { // always hide on success without message emit hideRequested(); } } else { if (msg.length() > 0) { if (msg.contains(QLatin1Char('\n'))) { // multiline error, use widget with more space QWhatsThis::showText(mapToGlobal(QPoint(0, 0)), msg); } else { setText(msg); } } else { setText(i18n("Command \"%1\" failed.", cmd)); } } } } // clean up if (completionObject() != KateCmd::self()->commandCompletionObject()) { KCompletion *c = completionObject(); setCompletionObject(KateCmd::self()->commandCompletionObject()); delete c; } m_command = nullptr; m_cmdend = 0; // the following commands change the focus themselves if (!QRegExp(QLatin1String("buffer|b|new|vnew|bp|bprev|bn|bnext|bf|bfirst|bl|blast|edit|e")).exactMatch(cmd.split(QLatin1Char(' ')).at(0))) { m_view->setFocus(); } if (isVisible()) { m_hideTimer->start(4000); } } void KateCmdLineEdit::hideLineEdit() // unless i have focus ;) { if (! hasFocus()) { emit hideRequested(); } } void KateCmdLineEdit::focusInEvent(QFocusEvent *ev) { if (m_msgMode) { m_msgMode = false; setText(m_oldText); selectAll(); } KLineEdit::focusInEvent(ev); } void KateCmdLineEdit::keyPressEvent(QKeyEvent *ev) { if (ev->key() == Qt::Key_Escape || (ev->key() == Qt::Key_BracketLeft && ev->modifiers() == Qt::ControlModifier)) { m_view->setFocus(); hideLineEdit(); clear(); } else if (ev->key() == Qt::Key_Up) { fromHistory(true); } else if (ev->key() == Qt::Key_Down) { fromHistory(false); } uint cursorpos = cursorPosition(); KLineEdit::keyPressEvent(ev); // during typing, let us see if we have a valid command if (! m_cmdend || cursorpos <= m_cmdend) { QChar c; if (! ev->text().isEmpty()) { c = ev->text().at(0); } if (! m_cmdend && ! c.isNull()) { // we have no command, so lets see if we got one if (! c.isLetterOrNumber() && c != QLatin1Char('-') && c != QLatin1Char('_')) { m_command = KateCmd::self()->queryCommand(text().trimmed()); if (m_command) { //qCDebug(LOG_KTE)<<"keypress in commandline: We have a command! "<queryCommand(text().trimmed()); if (m_command) { //qCDebug(LOG_KTE)<<"keypress in commandline: We have a command! "<commandCompletionObject()) { KCompletion *c = completionObject(); setCompletionObject(KateCmd::self()->commandCompletionObject()); delete c; } m_cmdend = 0; } } // if we got a command, check if it wants to do something. if (m_command) { KCompletion *cmpl = m_command->completionObject(m_view, text().left(m_cmdend).trimmed()); if (cmpl) { // We need to prepend the current command name + flag string // when completion is done //qCDebug(LOG_KTE)<<"keypress in commandline: Setting completion object!"; setCompletionObject(cmpl); } } } else if (m_command && !ev->text().isEmpty()) { // check if we should call the commands processText() if (m_command->wantsToProcessText(text().left(m_cmdend).trimmed())) { m_command->processText(m_view, text()); } } } void KateCmdLineEdit::fromHistory(bool up) { if (! KateCmd::self()->historyLength()) { return; } QString s; if (up) { if (m_histpos > 0) { m_histpos--; s = KateCmd::self()->fromHistory(m_histpos); } } else { if (m_histpos < (KateCmd::self()->historyLength() - 1)) { m_histpos++; s = KateCmd::self()->fromHistory(m_histpos); } else { m_histpos = KateCmd::self()->historyLength(); setText(m_oldText); } } if (! s.isEmpty()) { // Select the argument part of the command, so that it is easy to overwrite setText(s); static QRegExp reCmd = QRegExp(QLatin1String(".*[\\w\\-]+(?:[^a-zA-Z0-9_-]|:\\w+)(.*)")); if (reCmd.indexIn(text()) == 0) { setSelection(text().length() - reCmd.cap(1).length(), reCmd.cap(1).length()); } } } //END KateCmdLineEdit //BEGIN KateIconBorder using namespace KTextEditor; KateIconBorder::KateIconBorder(KateViewInternal *internalView, QWidget *parent) : QWidget(parent) , m_view(internalView->m_view) , m_doc(internalView->doc()) , m_viewInternal(internalView) , m_iconBorderOn(false) , m_lineNumbersOn(false) , m_relLineNumbersOn(false) , m_updateRelLineNumbers(false) , m_foldingMarkersOn(false) , m_dynWrapIndicatorsOn(false) , m_annotationBorderOn(false) , m_updatePositionToArea(true) , m_annotationItemDelegate(new KateAnnotationItemDelegate(m_viewInternal, this)) { setAcceptDrops(true); setAttribute(Qt::WA_StaticContents); setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Minimum); setMouseTracking(true); m_doc->setMarkDescription(MarkInterface::markType01, i18n("Bookmark")); m_doc->setMarkPixmap(MarkInterface::markType01, QIcon::fromTheme(QStringLiteral("bookmarks")).pixmap(32, 32)); connect(m_annotationItemDelegate, &AbstractAnnotationItemDelegate::sizeHintChanged, this, &KateIconBorder::updateAnnotationBorderWidth); updateFont(); m_antiFlickerTimer.setSingleShot(true); m_antiFlickerTimer.setInterval(300); connect(&m_antiFlickerTimer, &QTimer::timeout, this, &KateIconBorder::highlightFolding); // user interaction (scrolling) hides e.g. preview connect(m_view, SIGNAL(displayRangeChanged(KTextEditor::ViewPrivate*)), this, SLOT(displayRangeChanged())); } KateIconBorder::~KateIconBorder() { delete m_foldingPreview; delete m_foldingRange; } void KateIconBorder::setIconBorderOn(bool enable) { if (enable == m_iconBorderOn) { return; } m_iconBorderOn = enable; m_updatePositionToArea = true; QTimer::singleShot(0, this, SLOT(update())); } void KateIconBorder::setAnnotationBorderOn(bool enable) { if (enable == m_annotationBorderOn) { return; } m_annotationBorderOn = enable; // make sure the tooltip is hidden if (!m_annotationBorderOn && !m_hoveredAnnotationGroupIdentifier.isEmpty()) { m_hoveredAnnotationGroupIdentifier.clear(); hideAnnotationTooltip(); } emit m_view->annotationBorderVisibilityChanged(m_view, enable); m_updatePositionToArea = true; QTimer::singleShot(0, this, SLOT(update())); } void KateIconBorder::removeAnnotationHovering() { // remove hovering if it's still there if (m_annotationBorderOn && !m_hoveredAnnotationGroupIdentifier.isEmpty()) { m_hoveredAnnotationGroupIdentifier.clear(); QTimer::singleShot(0, this, SLOT(update())); } } void KateIconBorder::setLineNumbersOn(bool enable) { if (enable == m_lineNumbersOn) { return; } m_lineNumbersOn = enable; m_dynWrapIndicatorsOn = (m_dynWrapIndicators == 1) ? enable : m_dynWrapIndicators; m_updatePositionToArea = true; QTimer::singleShot(0, this, SLOT(update())); } void KateIconBorder::setRelLineNumbersOn(bool enable) { if (enable == m_relLineNumbersOn) { return; } m_relLineNumbersOn = enable; /* * We don't have to touch the m_dynWrapIndicatorsOn because * we already got it right from the m_lineNumbersOn */ m_updatePositionToArea = true; QTimer::singleShot( 0, this, SLOT(update()) ); } void KateIconBorder::updateForCursorLineChange() { if (m_relLineNumbersOn) { m_updateRelLineNumbers = true; } // always do normal update, e.g. for different current line color! update(); } void KateIconBorder::setDynWrapIndicators(int state) { if (state == m_dynWrapIndicators) { return; } m_dynWrapIndicators = state; m_dynWrapIndicatorsOn = (state == 1) ? m_lineNumbersOn : state; m_updatePositionToArea = true; QTimer::singleShot(0, this, SLOT(update())); } void KateIconBorder::setFoldingMarkersOn(bool enable) { if (enable == m_foldingMarkersOn) { return; } m_foldingMarkersOn = enable; m_updatePositionToArea = true; QTimer::singleShot(0, this, SLOT(update())); } QSize KateIconBorder::sizeHint() const { int w = 1; // Must be any value != 0 or we will never painted! const int i = m_positionToArea.size(); if (i > 0) { w = m_positionToArea.at(i - 1).first; } return QSize(w, 0); } // This function (re)calculates the maximum width of any of the digit characters (0 -> 9) // for graceful handling of variable-width fonts as the linenumber font. void KateIconBorder::updateFont() { const QFontMetricsF &fm = m_view->renderer()->config()->fontMetrics(); m_maxCharWidth = 0.0; // Loop to determine the widest numeric character in the current font. // 48 is ascii '0' for (int i = 48; i < 58; i++) { const qreal charWidth = ceil(fm.width(QChar(i))); m_maxCharWidth = qMax(m_maxCharWidth, charWidth); } // NOTE/TODO(or not) Take size of m_dynWrapIndicatorChar into account. // It's a multi-char and it's reported size is, even with a mono-space font, // bigger than each digit, e.g. 10 vs 12. Currently it seems to work even with // "Line Numbers Off" but all these width calculating looks slightly hacky // the icon pane scales with the font... m_iconAreaWidth = fm.height(); // Only for now, later may that become an own value m_foldingAreaWidth = m_iconAreaWidth; calcAnnotationBorderWidth(); m_updatePositionToArea = true; QTimer::singleShot(0, this, SLOT(update())); } int KateIconBorder::lineNumberWidth() const { int width = 0; // Avoid unneeded expensive calculations ;-) if (m_lineNumbersOn) { // width = (number of digits + 1) * char width const int digits = (int) ceil(log10((double)(m_view->doc()->lines() + 1))); width = (int)ceil((digits + 1) * m_maxCharWidth); } if ((width < 1) && m_dynWrapIndicatorsOn && m_view->config()->dynWordWrap()) { // FIXME Why 2x? because of above (number of digits + 1) // -> looks to me like a hint for bad calculation elsewhere width = 2 * m_maxCharWidth; } return width; } void KateIconBorder::dragMoveEvent(QDragMoveEvent *event) { // FIXME Just calling m_view->m_viewInternal->dragMoveEvent(e) don't work // as intended, we need to set the cursor at column 1 // Is there a way to change the pos of the event? QPoint pos(0, event->pos().y()); // Code copy of KateViewInternal::dragMoveEvent m_view->m_viewInternal->placeCursor(pos, true, false); m_view->m_viewInternal->fixDropEvent(event); } void KateIconBorder::dropEvent(QDropEvent *event) { m_view->m_viewInternal->dropEvent(event); } void KateIconBorder::paintEvent(QPaintEvent *e) { paintBorder(e->rect().x(), e->rect().y(), e->rect().width(), e->rect().height()); } static void paintTriangle(QPainter &painter, QColor c, int xOffset, int yOffset, int width, int height, bool open) { painter.setRenderHint(QPainter::Antialiasing); qreal size = qMin(width, height); if (open) { // Paint unfolded icon less pushy if (KColorUtils::luma(c) < 0.25) { c = KColorUtils::darken(c); } else { c = KColorUtils::shade(c, 0.1); } } else { // Paint folded icon in contrast to popup highlighting if (KColorUtils::luma(c) > 0.25) { c = KColorUtils::darken(c); } else { c = KColorUtils::shade(c, 0.1); } } QPen pen; pen.setJoinStyle(Qt::RoundJoin); pen.setColor(c); pen.setWidthF(1.5); painter.setPen(pen); painter.setBrush(c); // let some border, if possible size *= 0.6; qreal halfSize = size / 2; qreal halfSizeP = halfSize * 0.6; QPointF middle(xOffset + (qreal)width / 2, yOffset + (qreal)height / 2); if (open) { QPointF points[3] = { middle + QPointF(-halfSize, -halfSizeP), middle + QPointF(halfSize, -halfSizeP), middle + QPointF(0, halfSizeP) }; painter.drawConvexPolygon(points, 3); } else { QPointF points[3] = { middle + QPointF(-halfSizeP, -halfSize), middle + QPointF(-halfSizeP, halfSize), middle + QPointF(halfSizeP, 0) }; painter.drawConvexPolygon(points, 3); } painter.setRenderHint(QPainter::Antialiasing, false); } /** * Helper class for an identifier which can be an empty or non-empty string or invalid. * Avoids complicated explicit statements in code dealing with the identifier * received as QVariant from a model. */ class KateAnnotationGroupIdentifier { public: KateAnnotationGroupIdentifier(const QVariant &identifier) : m_isValid(identifier.isValid() && identifier.canConvert()) , m_id(m_isValid ? identifier.toString() : QString()) { } KateAnnotationGroupIdentifier() = default; KateAnnotationGroupIdentifier(const KateAnnotationGroupIdentifier &rhs) = default; KateAnnotationGroupIdentifier& operator=(const KateAnnotationGroupIdentifier &rhs) { m_isValid = rhs.m_isValid; m_id = rhs.m_id; return *this; } KateAnnotationGroupIdentifier& operator=(const QVariant &identifier) { m_isValid = (identifier.isValid() && identifier.canConvert()); if (m_isValid) { m_id = identifier.toString(); } else { m_id.clear(); } return *this; } bool operator==(const KateAnnotationGroupIdentifier &rhs) const { return (m_isValid == rhs.m_isValid) && (!m_isValid || (m_id == rhs.m_id)); } bool operator!=(const KateAnnotationGroupIdentifier &rhs) const { return (m_isValid != rhs.m_isValid) || (m_isValid && (m_id != rhs.m_id)); } void clear() { m_isValid = false; m_id.clear(); } bool isValid() const { return m_isValid; } const QString& id() const { return m_id; } private: bool m_isValid = false; QString m_id; }; /** * Helper class for iterative calculation of data regarding the position * of a line with regard to annotation item grouping. */ class KateAnnotationGroupPositionState { public: /** * @param startz first rendered displayed line * @param isUsed flag whether the KateAnnotationGroupPositionState object will * be used or is just created due to being on the stack */ KateAnnotationGroupPositionState(KateViewInternal *viewInternal, const KTextEditor::AnnotationModel *model, const QString &hoveredAnnotationGroupIdentifier, uint startz, bool isUsed); /** * @param styleOption option to fill with data for the given line * @param z rendered displayed line * @param realLine real line which is rendered here (passed to avoid another look-up) */ void nextLine(KTextEditor::StyleOptionAnnotationItem &styleOption, uint z, int realLine); private: KateViewInternal *m_viewInternal; const KTextEditor::AnnotationModel * const m_model; const QString m_hoveredAnnotationGroupIdentifier; int m_visibleWrappedLineInAnnotationGroup = -1; KateAnnotationGroupIdentifier m_lastAnnotationGroupIdentifier; KateAnnotationGroupIdentifier m_nextAnnotationGroupIdentifier; bool m_isSameAnnotationGroupsSinceLast = false; }; KateAnnotationGroupPositionState::KateAnnotationGroupPositionState(KateViewInternal *viewInternal, const KTextEditor::AnnotationModel *model, const QString &hoveredAnnotationGroupIdentifier, uint startz, bool isUsed) : m_viewInternal(viewInternal) , m_model(model) , m_hoveredAnnotationGroupIdentifier(hoveredAnnotationGroupIdentifier) { if (!isUsed) { return; } if (!m_model || (static_cast(startz) >= m_viewInternal->cache()->viewCacheLineCount())) { return; } const auto realLineAtStart = m_viewInternal->cache()->viewLine(startz).line(); m_nextAnnotationGroupIdentifier = m_model->data(realLineAtStart, (Qt::ItemDataRole)KTextEditor::AnnotationModel::GroupIdentifierRole); if (m_nextAnnotationGroupIdentifier.isValid()) { // estimate state of annotation group before first rendered line if (startz == 0) { if (realLineAtStart > 0) { // TODO: here we would want to scan until the next line that would be displayed, // to see if there are any group changes until then // for now simply taking neighbour line into account, not a grave bug on the first displayed line m_lastAnnotationGroupIdentifier = m_model->data(realLineAtStart - 1, (Qt::ItemDataRole) KTextEditor::AnnotationModel::GroupIdentifierRole); m_isSameAnnotationGroupsSinceLast = (m_lastAnnotationGroupIdentifier == m_nextAnnotationGroupIdentifier); } } else { const auto realLineBeforeStart = m_viewInternal->cache()->viewLine(startz-1).line(); m_lastAnnotationGroupIdentifier = m_model->data(realLineBeforeStart, (Qt::ItemDataRole)KTextEditor::AnnotationModel::GroupIdentifierRole); if (m_lastAnnotationGroupIdentifier.isValid()) { if (m_lastAnnotationGroupIdentifier.id() == m_nextAnnotationGroupIdentifier.id()) { m_isSameAnnotationGroupsSinceLast = true; // estimate m_visibleWrappedLineInAnnotationGroup from lines before startz for (uint z = startz; z > 0; --z) { const auto realLine = m_viewInternal->cache()->viewLine(z-1).line(); const KateAnnotationGroupIdentifier identifier = m_model->data(realLine, (Qt::ItemDataRole)KTextEditor::AnnotationModel::GroupIdentifierRole); if (identifier != m_lastAnnotationGroupIdentifier) { break; } ++m_visibleWrappedLineInAnnotationGroup; } } } } } } void KateAnnotationGroupPositionState::nextLine(KTextEditor::StyleOptionAnnotationItem &styleOption, uint z, int realLine) { styleOption.wrappedLine = m_viewInternal->cache()->viewLine(z).viewLine(); styleOption.wrappedLineCount = m_viewInternal->cache()->viewLineCount(realLine); // Estimate position in group const KateAnnotationGroupIdentifier annotationGroupIdentifier = m_nextAnnotationGroupIdentifier; bool isSameAnnotationGroupsSinceThis = false; // Calculate next line's group identifier // shortcut: assuming wrapped lines are always displayed together, test is simple if (styleOption.wrappedLine+1 < styleOption.wrappedLineCount) { m_nextAnnotationGroupIdentifier = annotationGroupIdentifier; isSameAnnotationGroupsSinceThis = true; } else { if (static_cast(z+1) < m_viewInternal->cache()->viewCacheLineCount()) { const int realLineAfter = m_viewInternal->cache()->viewLine(z+1).line(); // search for any realLine with a different group id, also the non-displayed int rl = realLine + 1; for (; rl <= realLineAfter; ++rl) { m_nextAnnotationGroupIdentifier = m_model->data(rl, (Qt::ItemDataRole) KTextEditor::AnnotationModel::GroupIdentifierRole); if (!m_nextAnnotationGroupIdentifier.isValid() || (m_nextAnnotationGroupIdentifier.id() != annotationGroupIdentifier.id())) { break; } } isSameAnnotationGroupsSinceThis = (rl > realLineAfter); if (rl < realLineAfter) { m_nextAnnotationGroupIdentifier = m_model->data(realLineAfter, (Qt::ItemDataRole) KTextEditor::AnnotationModel::GroupIdentifierRole); } } else { // TODO: check next line after display end m_nextAnnotationGroupIdentifier.clear(); isSameAnnotationGroupsSinceThis = false; } } if (annotationGroupIdentifier.isValid()) { if (m_hoveredAnnotationGroupIdentifier == annotationGroupIdentifier.id()) { styleOption.state |= QStyle::State_MouseOver; } else { styleOption.state &= ~QStyle::State_MouseOver; } if (m_isSameAnnotationGroupsSinceLast) { ++m_visibleWrappedLineInAnnotationGroup; } else { m_visibleWrappedLineInAnnotationGroup = 0; } styleOption.annotationItemGroupingPosition = StyleOptionAnnotationItem::InGroup; if (!m_isSameAnnotationGroupsSinceLast) { styleOption.annotationItemGroupingPosition |= StyleOptionAnnotationItem::GroupBegin; } if (!isSameAnnotationGroupsSinceThis) { styleOption.annotationItemGroupingPosition |= StyleOptionAnnotationItem::GroupEnd; } } else { m_visibleWrappedLineInAnnotationGroup = 0; } styleOption.visibleWrappedLineInGroup = m_visibleWrappedLineInAnnotationGroup; m_lastAnnotationGroupIdentifier = m_nextAnnotationGroupIdentifier; m_isSameAnnotationGroupsSinceLast = isSameAnnotationGroupsSinceThis; } void KateIconBorder::paintBorder(int /*x*/, int y, int /*width*/, int height) { const uint h = m_view->renderer()->lineHeight(); const uint startz = (y / h); const uint endz = qMin(startz + 1 + (height / h), static_cast(m_viewInternal->cache()->viewCacheLineCount())); const uint currentLine = m_view->cursorPosition().line(); // center the folding boxes int m_px = (h - 11) / 2; if (m_px < 0) { m_px = 0; } // Ensure we miss no change of the count of line number digits const int newNeededWidth = lineNumberWidth(); if (m_updatePositionToArea || (newNeededWidth != m_lineNumberAreaWidth)) { m_lineNumberAreaWidth = newNeededWidth; m_updatePositionToArea = true; m_positionToArea.clear(); } QPainter p(this); p.setRenderHints(QPainter::TextAntialiasing); p.setFont(m_view->renderer()->config()->font()); // for line numbers KTextEditor::AnnotationModel *model = m_view->annotationModel() ? m_view->annotationModel() : m_doc->annotationModel(); KateAnnotationGroupPositionState annotationGroupPositionState(m_viewInternal, model, m_hoveredAnnotationGroupIdentifier, startz, m_annotationBorderOn); // Fetch often used data only once, improve readability const int w = width(); const QColor iconBarColor = m_view->renderer()->config()->iconBarColor(); // Effective our background const QColor lineNumberColor = m_view->renderer()->config()->lineNumberColor(); const QColor backgroundColor = m_view->renderer()->config()->backgroundColor(); // Of the edit area // Paint the border in chunks line by line for (uint z = startz; z < endz; z++) { // Painting coordinates, lineHeight * lineNumber const uint y = h * z; // Paint the border in chunks left->right, remember used width uint lnX = 0; // Paint background over full width... p.fillRect(lnX, y, w, h, iconBarColor); // ...and overpaint again the end to simulate some margin to the edit area, // so that the text not looks like stuck to the border p.fillRect(w - m_separatorWidth, y, w, h, backgroundColor); const KateTextLayout lineLayout = m_viewInternal->cache()->viewLine(z); int realLine = lineLayout.line(); if (realLine < 0) { // We have reached the end of the document, just paint background continue; } // icon pane if (m_iconBorderOn) { p.setPen(m_view->renderer()->config()->separatorColor()); p.setBrush(m_view->renderer()->config()->separatorColor()); p.drawLine(lnX + m_iconAreaWidth, y, lnX + m_iconAreaWidth, y + h); const uint mrk(m_doc->mark(realLine)); // call only once if (mrk && lineLayout.startCol() == 0) { for (uint bit = 0; bit < 32; bit++) { MarkInterface::MarkTypes markType = (MarkInterface::MarkTypes)(1 << bit); if (mrk & markType) { QPixmap px_mark(m_doc->markPixmap(markType)); px_mark.setDevicePixelRatio(devicePixelRatioF()); if (!px_mark.isNull() && h > 0 && m_iconAreaWidth > 0) { // scale up to a usable size - px_mark = px_mark.scaled(m_iconAreaWidth * devicePixelRatioF(), h * devicePixelRatioF(), Qt::KeepAspectRatio); + const int s = qMin(m_iconAreaWidth * devicePixelRatioF(), h * devicePixelRatioF()) - 2; + px_mark = px_mark.scaled(s, s, Qt::KeepAspectRatio); // center the mark pixmap - int x_px = 0.5 * qMax(m_iconAreaWidth - (px_mark.width() / devicePixelRatioF()), 0.0); - int y_px = 0.5 * qMax(h - (px_mark.height() / devicePixelRatioF()), 0.0); + int x_px = 0.5 * qMax(m_iconAreaWidth - (s / devicePixelRatioF()), 0.0); + int y_px = 0.5 * qMax(h - (s / devicePixelRatioF()), 0.0); p.drawPixmap(lnX + x_px, y + y_px, px_mark); } } } } lnX += m_iconAreaWidth + m_separatorWidth; if (m_updatePositionToArea) { m_positionToArea.append(AreaPosition(lnX, IconBorder)); } } // annotation information if (m_annotationBorderOn) { // Draw a border line between annotations and the line numbers p.setPen(lineNumberColor); p.setBrush(lineNumberColor); const qreal borderX = lnX + m_annotationAreaWidth + 0.5; p.drawLine(QPointF(borderX, y+0.5), QPointF(borderX, y + h - 0.5)); if (model) { KTextEditor::StyleOptionAnnotationItem styleOption; initStyleOption(&styleOption); styleOption.rect.setRect(lnX, y, m_annotationAreaWidth, h); annotationGroupPositionState.nextLine(styleOption, z, realLine); m_annotationItemDelegate->paint(&p, styleOption, model, realLine); } lnX += m_annotationAreaWidth + m_separatorWidth; if (m_updatePositionToArea) { m_positionToArea.append(AreaPosition(lnX, AnnotationBorder)); } } // line number if (m_lineNumbersOn || m_dynWrapIndicatorsOn) { QColor usedLineNumberColor; const int distanceToCurrent = abs(realLine - static_cast(currentLine)); if (distanceToCurrent == 0) { usedLineNumberColor = m_view->renderer()->config()->currentLineNumberColor(); } else { usedLineNumberColor = lineNumberColor; } p.setPen(usedLineNumberColor); p.setBrush(usedLineNumberColor); if (lineLayout.startCol() == 0) { if (m_relLineNumbersOn) { if (distanceToCurrent == 0) { p.drawText(lnX + m_maxCharWidth / 2, y, m_lineNumberAreaWidth - m_maxCharWidth, h, Qt::TextDontClip | Qt::AlignLeft | Qt::AlignVCenter, QString::number(realLine + 1)); } else { p.drawText(lnX + m_maxCharWidth / 2, y, m_lineNumberAreaWidth - m_maxCharWidth, h, Qt::TextDontClip | Qt::AlignRight | Qt::AlignVCenter, QString::number(distanceToCurrent)); } if (m_updateRelLineNumbers) { m_updateRelLineNumbers = false; update(); } } else if (m_lineNumbersOn) { p.drawText(lnX + m_maxCharWidth / 2, y, m_lineNumberAreaWidth - m_maxCharWidth, h, Qt::TextDontClip | Qt::AlignRight | Qt::AlignVCenter, QString::number(realLine + 1)); } } else if (m_dynWrapIndicatorsOn) { p.drawText(lnX + m_maxCharWidth / 2, y, m_lineNumberAreaWidth - m_maxCharWidth, h, Qt::TextDontClip | Qt::AlignRight | Qt::AlignVCenter, m_dynWrapIndicatorChar); } lnX += m_lineNumberAreaWidth + m_separatorWidth; if (m_updatePositionToArea) { m_positionToArea.append(AreaPosition(lnX, LineNumbers)); } } // modified line system if (m_view->config()->lineModification() && !m_doc->url().isEmpty()) { const Kate::TextLine tl = m_doc->plainKateTextLine(realLine); if (tl->markedAsModified()) { p.fillRect(lnX, y, m_modAreaWidth, h, m_view->renderer()->config()->modifiedLineColor()); } else if (tl->markedAsSavedOnDisk()) { p.fillRect(lnX, y, m_modAreaWidth, h, m_view->renderer()->config()->savedLineColor()); } else { p.fillRect(lnX, y, m_modAreaWidth, h, iconBarColor); } lnX += m_modAreaWidth; // No m_separatorWidth if (m_updatePositionToArea) { m_positionToArea.append(AreaPosition(lnX, None)); } } // folding markers if (m_foldingMarkersOn) { const QColor foldingColor(m_view->renderer()->config()->foldingColor()); // possible additional folding highlighting if (m_foldingRange && m_foldingRange->overlapsLine(realLine)) { p.fillRect(lnX, y, m_foldingAreaWidth, h, foldingColor); } if (lineLayout.startCol() == 0) { QVector > startingRanges = m_view->textFolding().foldingRangesStartingOnLine(realLine); bool anyFolded = false; for (int i = 0; i < startingRanges.size(); ++i) { if (startingRanges[i].second & Kate::TextFolding::Folded) { anyFolded = true; } } const Kate::TextLine tl = m_doc->kateTextLine(realLine); if (!startingRanges.isEmpty() || tl->markedAsFoldingStart()) { if (anyFolded) { paintTriangle(p, foldingColor, lnX, y, m_foldingAreaWidth, h, false); } else { // Don't try to use currentLineNumberColor, the folded icon gets also not highligted paintTriangle(p, lineNumberColor, lnX, y, m_foldingAreaWidth, h, true); } } } lnX += m_foldingAreaWidth; if (m_updatePositionToArea) { m_positionToArea.append(AreaPosition(lnX, FoldingMarkers)); } } if (m_updatePositionToArea) { m_updatePositionToArea = false; // Don't forget our "text-stuck-to-border" protector lnX += m_separatorWidth; m_positionToArea.append(AreaPosition(lnX, None)); // Now that we know our needed space, ensure we are painted properly updateGeometry(); update(); return; } } } KateIconBorder::BorderArea KateIconBorder::positionToArea(const QPoint &p) const { for (int i = 0; i < m_positionToArea.size(); ++i) { if (p.x() <= m_positionToArea.at(i).first) { return m_positionToArea.at(i).second; } } return None; } void KateIconBorder::mousePressEvent(QMouseEvent *e) { const KateTextLayout &t = m_viewInternal->yToKateTextLayout(e->y()); if (t.isValid()) { m_lastClickedLine = t.line(); const auto area = positionToArea(e->pos()); // IconBorder and AnnotationBorder have their own behavior; don't forward to view if (area != IconBorder && area != AnnotationBorder) { const auto pos = QPoint(0, e->y()); if (area == LineNumbers && e->button() == Qt::LeftButton && !(e->modifiers() & Qt::ShiftModifier)) { // setup view so the following mousePressEvent will select the line m_viewInternal->beginSelectLine(pos); } QMouseEvent forward(QEvent::MouseButtonPress, pos, e->button(), e->buttons(), e->modifiers()); m_viewInternal->mousePressEvent(&forward); } return e->accept(); } QWidget::mousePressEvent(e); } void KateIconBorder::highlightFoldingDelayed(int line) { if ((line == m_currentLine) || (line >= m_doc->buffer().lines())) { return; } m_currentLine = line; if (m_foldingRange) { // We are for a while in the folding area, no need for delay highlightFolding(); } else if (!m_antiFlickerTimer.isActive()) { m_antiFlickerTimer.start(); } } void KateIconBorder::highlightFolding() { /** * compute to which folding range we belong * FIXME: optimize + perhaps have some better threshold or use timers! */ KTextEditor::Range newRange = KTextEditor::Range::invalid(); for (int line = m_currentLine; line >= qMax(0, m_currentLine - 1024); --line) { /** * try if we have folding range from that line, should be fast per call */ KTextEditor::Range foldingRange = m_doc->buffer().computeFoldingRangeForStartLine(line); if (!foldingRange.isValid()) { continue; } /** * does the range reach us? */ if (foldingRange.overlapsLine(m_currentLine)) { newRange = foldingRange; break; } } if (newRange.isValid() && m_foldingRange && *m_foldingRange == newRange) { // new range equals the old one, nothing to do. return; } // the ranges differ, delete the old, if it exists delete m_foldingRange; m_foldingRange = nullptr; // New range, new preview! delete m_foldingPreview; bool showPreview = false; if (newRange.isValid()) { // When next line is not visible we have a folded range, only then we want a preview! showPreview = !m_view->textFolding().isLineVisible(newRange.start().line() + 1); //qCDebug(LOG_KTE) << "new folding hl-range:" << newRange; m_foldingRange = m_doc->newMovingRange(newRange, KTextEditor::MovingRange::ExpandRight); KTextEditor::Attribute::Ptr attr(new KTextEditor::Attribute()); /** * create highlighting color * we avoid alpha as overpainting leads to ugly lines (https://bugreports.qt.io/browse/QTBUG-66036) */ attr->setBackground(QBrush(m_view->renderer()->config()->foldingColor())); m_foldingRange->setView(m_view); // use z depth defined in moving ranges interface m_foldingRange->setZDepth(-100.0); m_foldingRange->setAttribute(attr); } // show text preview, if a folded region starts here... // ...but only when main window is active (#392396) const bool isWindowActive = !window() || window()->isActiveWindow(); if (showPreview && m_view->config()->foldingPreview() && isWindowActive) { m_foldingPreview = new KateTextPreview(m_view, this); m_foldingPreview->setAttribute(Qt::WA_ShowWithoutActivating); m_foldingPreview->setFrameStyle(QFrame::StyledPanel); // Calc how many lines can be displayed in the popup const int lineHeight = m_view->renderer()->lineHeight(); const int foldingStartLine = m_foldingRange->start().line(); // FIXME Is there really no easier way to find lineInDisplay? const QPoint pos = m_viewInternal->mapFrom(m_view, m_view->cursorToCoordinate(KTextEditor::Cursor(foldingStartLine, 0))); const int lineInDisplay = pos.y() / lineHeight; // Allow slightly overpainting of the view bottom to proper cover all lines const int extra = (m_viewInternal->height() % lineHeight) > (lineHeight * 0.6) ? 1 : 0; const int lineCount = qMin(m_foldingRange->numberOfLines() + 1, m_viewInternal->linesDisplayed() - lineInDisplay + extra); m_foldingPreview->resize(m_viewInternal->width(), lineCount * lineHeight + 2 * m_foldingPreview->frameWidth()); const int xGlobal = mapToGlobal(QPoint(width(), 0)).x(); const int yGlobal = m_view->mapToGlobal(m_view->cursorToCoordinate(KTextEditor::Cursor(foldingStartLine, 0))).y(); m_foldingPreview->move(QPoint(xGlobal, yGlobal) - m_foldingPreview->contentsRect().topLeft()); m_foldingPreview->setLine(foldingStartLine); m_foldingPreview->setCenterView(false); m_foldingPreview->setShowFoldedLines(true); m_foldingPreview->raise(); m_foldingPreview->show(); } } void KateIconBorder::hideFolding() { if (m_antiFlickerTimer.isActive()) { m_antiFlickerTimer.stop(); } m_currentLine = -1; delete m_foldingRange; m_foldingRange = nullptr; delete m_foldingPreview; } void KateIconBorder::leaveEvent(QEvent *event) { hideFolding(); removeAnnotationHovering(); QWidget::leaveEvent(event); } void KateIconBorder::mouseMoveEvent(QMouseEvent *e) { const KateTextLayout &t = m_viewInternal->yToKateTextLayout(e->y()); if (!t.isValid()) { // Cleanup everything which may be shown removeAnnotationHovering(); hideFolding(); } else { const BorderArea area = positionToArea(e->pos()); if (area == FoldingMarkers) { highlightFoldingDelayed(t.line()); } else { hideFolding(); } if (area == AnnotationBorder) { KTextEditor::AnnotationModel *model = m_view->annotationModel() ? m_view->annotationModel() : m_doc->annotationModel(); if (model) { m_hoveredAnnotationGroupIdentifier = model->data( t.line(), (Qt::ItemDataRole) KTextEditor::AnnotationModel::GroupIdentifierRole ).toString(); const QPoint viewRelativePos = m_view->mapFromGlobal(e->globalPos()); QHelpEvent helpEvent(QEvent::ToolTip, viewRelativePos, e->globalPos()); KTextEditor::StyleOptionAnnotationItem styleOption; initStyleOption(&styleOption); styleOption.rect = annotationLineRectInView(t.line()); setStyleOptionLineData(&styleOption, e->y(), t.line(), model, m_hoveredAnnotationGroupIdentifier); m_annotationItemDelegate->helpEvent(&helpEvent, m_view, styleOption, model, t.line()); QTimer::singleShot(0, this, SLOT(update())); } } else { if (area == IconBorder) { m_doc->requestMarkTooltip(t.line(), e->globalPos()); } m_hoveredAnnotationGroupIdentifier.clear(); QTimer::singleShot(0, this, SLOT(update())); } if (area != IconBorder) { QPoint p = m_viewInternal->mapFromGlobal(e->globalPos()); QMouseEvent forward(QEvent::MouseMove, p, e->button(), e->buttons(), e->modifiers()); m_viewInternal->mouseMoveEvent(&forward); } } QWidget::mouseMoveEvent(e); } void KateIconBorder::mouseReleaseEvent(QMouseEvent *e) { const int cursorOnLine = m_viewInternal->yToKateTextLayout(e->y()).line(); if (cursorOnLine == m_lastClickedLine && cursorOnLine >= 0 && cursorOnLine <= m_doc->lastLine()) { const BorderArea area = positionToArea(e->pos()); if (area == IconBorder) { if (e->button() == Qt::LeftButton) { if (!m_doc->handleMarkClick(cursorOnLine)) { KateViewConfig *config = m_view->config(); const uint editBits = m_doc->editableMarks(); // is the default or the only editable mark const uint singleMark = qPopulationCount(editBits) > 1 ? editBits & config->defaultMarkType() : editBits; if (singleMark) { if (m_doc->mark(cursorOnLine) & singleMark) { m_doc->removeMark(cursorOnLine, singleMark); } else { m_doc->addMark(cursorOnLine, singleMark); } } else if (config->allowMarkMenu()) { showMarkMenu(cursorOnLine, QCursor::pos()); } } } else if (e->button() == Qt::RightButton) { showMarkMenu(cursorOnLine, QCursor::pos()); } } if (area == FoldingMarkers) { // Prefer the highlighted range over the exact clicked line const int lineToToggle = m_foldingRange ? m_foldingRange->toRange().start().line() : cursorOnLine; if (e->button() == Qt::LeftButton) { m_view->toggleFoldingOfLine(lineToToggle); } else if (e->button() == Qt::RightButton) { m_view->toggleFoldingsInRange(lineToToggle); } delete m_foldingPreview; } if (area == AnnotationBorder) { const bool singleClick = style()->styleHint(QStyle::SH_ItemView_ActivateItemOnSingleClick, nullptr, this); if (e->button() == Qt::LeftButton && singleClick) { emit m_view->annotationActivated(m_view, cursorOnLine); } else if (e->button() == Qt::RightButton) { showAnnotationMenu(cursorOnLine, e->globalPos()); } } } QMouseEvent forward(QEvent::MouseButtonRelease, QPoint(0, e->y()), e->button(), e->buttons(), e->modifiers()); m_viewInternal->mouseReleaseEvent(&forward); } void KateIconBorder::mouseDoubleClickEvent(QMouseEvent *e) { int cursorOnLine = m_viewInternal->yToKateTextLayout(e->y()).line(); if (cursorOnLine == m_lastClickedLine && cursorOnLine <= m_doc->lastLine()) { const BorderArea area = positionToArea(e->pos()); const bool singleClick = style()->styleHint(QStyle::SH_ItemView_ActivateItemOnSingleClick, nullptr, this); if (area == AnnotationBorder && !singleClick) { emit m_view->annotationActivated(m_view, cursorOnLine); } } QMouseEvent forward(QEvent::MouseButtonDblClick, QPoint(0, e->y()), e->button(), e->buttons(), e->modifiers()); m_viewInternal->mouseDoubleClickEvent(&forward); } void KateIconBorder::wheelEvent(QWheelEvent *e) { QCoreApplication::sendEvent(m_viewInternal, e); } void KateIconBorder::showMarkMenu(uint line, const QPoint &pos) { if (m_doc->handleMarkContextMenu(line, pos)) { return; } if (!m_view->config()->allowMarkMenu()) { return; } QMenu markMenu; QMenu selectDefaultMark; auto selectDefaultMarkActionGroup = new QActionGroup(&selectDefaultMark); QVector vec(33); int i = 1; for (uint bit = 0; bit < 32; bit++) { MarkInterface::MarkTypes markType = (MarkInterface::MarkTypes)(1 << bit); if (!(m_doc->editableMarks() & markType)) { continue; } QAction *mA; QAction *dMA; const QPixmap icon = m_doc->markPixmap(markType); if (!m_doc->markDescription(markType).isEmpty()) { mA = markMenu.addAction(icon, m_doc->markDescription(markType)); dMA = selectDefaultMark.addAction(icon, m_doc->markDescription(markType)); } else { mA = markMenu.addAction(icon, i18n("Mark Type %1", bit + 1)); dMA = selectDefaultMark.addAction(icon, i18n("Mark Type %1", bit + 1)); } selectDefaultMarkActionGroup->addAction(dMA); mA->setData(i); mA->setCheckable(true); dMA->setData(i + 100); dMA->setCheckable(true); if (m_doc->mark(line) & markType) { mA->setChecked(true); } if (markType & KateViewConfig::global()->defaultMarkType()) { dMA->setChecked(true); } vec[i++] = markType; } if (markMenu.actions().count() == 0) { return; } if (markMenu.actions().count() > 1) { markMenu.addAction(i18n("Set Default Mark Type"))->setMenu(&selectDefaultMark); } QAction *rA = markMenu.exec(pos); if (!rA) { return; } int result = rA->data().toInt(); if (result > 100) { KateViewConfig::global()->setDefaultMarkType(vec[result - 100]); } else { MarkInterface::MarkTypes markType = (MarkInterface::MarkTypes) vec[result]; if (m_doc->mark(line) & markType) { m_doc->removeMark(line, markType); } else { m_doc->addMark(line, markType); } } } KTextEditor::AbstractAnnotationItemDelegate* KateIconBorder::annotationItemDelegate() const { return m_annotationItemDelegate; } void KateIconBorder::setAnnotationItemDelegate(KTextEditor::AbstractAnnotationItemDelegate *delegate) { if (delegate == m_annotationItemDelegate) { return; } // reset to default, but already on that? if (!delegate && m_isDefaultAnnotationItemDelegate) { // nothing to do return; } // make sure the tooltip is hidden if (m_annotationBorderOn && !m_hoveredAnnotationGroupIdentifier.isEmpty()) { m_hoveredAnnotationGroupIdentifier.clear(); hideAnnotationTooltip(); } disconnect(m_annotationItemDelegate, &AbstractAnnotationItemDelegate::sizeHintChanged, this, &KateIconBorder::updateAnnotationBorderWidth); if (!m_isDefaultAnnotationItemDelegate) { disconnect(m_annotationItemDelegate, &QObject::destroyed, this, &KateIconBorder::handleDestroyedAnnotationItemDelegate); } if (!delegate) { // reset to a default delegate m_annotationItemDelegate = new KateAnnotationItemDelegate(m_viewInternal, this); m_isDefaultAnnotationItemDelegate = true; } else { // drop any default delegate if (m_isDefaultAnnotationItemDelegate) { delete m_annotationItemDelegate; m_isDefaultAnnotationItemDelegate = false; } m_annotationItemDelegate = delegate; // catch delegate being destroyed connect(delegate, &QObject::destroyed, this, &KateIconBorder::handleDestroyedAnnotationItemDelegate); } connect(m_annotationItemDelegate, &AbstractAnnotationItemDelegate::sizeHintChanged, this, &KateIconBorder::updateAnnotationBorderWidth); if (m_annotationBorderOn) { updateGeometry(); QTimer::singleShot(0, this, SLOT(update())); } } void KateIconBorder::handleDestroyedAnnotationItemDelegate() { setAnnotationItemDelegate(nullptr); } void KateIconBorder::initStyleOption(KTextEditor::StyleOptionAnnotationItem* styleOption) const { styleOption->initFrom(this); styleOption->view = m_view; styleOption->decorationSize = QSize(m_iconAreaWidth, m_iconAreaWidth); styleOption->contentFontMetrics = m_view->renderer()->config()->fontMetrics(); } void KateIconBorder::setStyleOptionLineData(KTextEditor::StyleOptionAnnotationItem* styleOption, int y, int realLine, const KTextEditor::AnnotationModel *model, const QString &annotationGroupIdentifier) const { // calculate rendered displayed line const uint h = m_view->renderer()->lineHeight(); const uint z = (y / h); KateAnnotationGroupPositionState annotationGroupPositionState(m_viewInternal, model, annotationGroupIdentifier, z, true); annotationGroupPositionState.nextLine(*styleOption, z, realLine); } QRect KateIconBorder::annotationLineRectInView(int line) const { int x = 0; if (m_iconBorderOn) { x += m_iconAreaWidth + 2; } const int y = m_view->m_viewInternal->lineToY(line); return QRect(x, y, m_annotationAreaWidth, m_view->renderer()->lineHeight()); } void KateIconBorder::updateAnnotationLine(int line) { // TODO: why has the default value been 8, where is that magic number from? int width = 8; KTextEditor::AnnotationModel *model = m_view->annotationModel() ? m_view->annotationModel() : m_doc->annotationModel(); if (model) { KTextEditor::StyleOptionAnnotationItem styleOption; initStyleOption(&styleOption); width = m_annotationItemDelegate->sizeHint(styleOption, model, line).width(); } if (width > m_annotationAreaWidth) { m_annotationAreaWidth = width; m_updatePositionToArea = true; QTimer::singleShot(0, this, SLOT(update())); } } void KateIconBorder::showAnnotationMenu(int line, const QPoint &pos) { QMenu menu; QAction a(i18n("Disable Annotation Bar"), &menu); a.setIcon(QIcon::fromTheme(QStringLiteral("dialog-close"))); menu.addAction(&a); emit m_view->annotationContextMenuAboutToShow(m_view, &menu, line); if (menu.exec(pos) == &a) { m_view->setAnnotationBorderVisible(false); } } void KateIconBorder::hideAnnotationTooltip() { m_annotationItemDelegate->hideTooltip(m_view); } void KateIconBorder::updateAnnotationBorderWidth() { calcAnnotationBorderWidth(); m_updatePositionToArea = true; QTimer::singleShot(0, this, SLOT(update())); } void KateIconBorder::calcAnnotationBorderWidth() { // TODO: another magic number, not matching the one in updateAnnotationLine() m_annotationAreaWidth = 6; KTextEditor::AnnotationModel *model = m_view->annotationModel() ? m_view->annotationModel() : m_doc->annotationModel(); if (model) { KTextEditor::StyleOptionAnnotationItem styleOption; initStyleOption(&styleOption); const int lineCount = m_view->doc()->lines(); if (lineCount > 0) { const int checkedLineCount = m_hasUniformAnnotationItemSizes ? 1 : lineCount; for (int i = 0; i < checkedLineCount; ++i) { const int curwidth = m_annotationItemDelegate->sizeHint(styleOption, model, i).width(); if (curwidth > m_annotationAreaWidth) { m_annotationAreaWidth = curwidth; } } } } } void KateIconBorder::annotationModelChanged(KTextEditor::AnnotationModel *oldmodel, KTextEditor::AnnotationModel *newmodel) { if (oldmodel) { oldmodel->disconnect(this); } if (newmodel) { connect(newmodel, SIGNAL(reset()), this, SLOT(updateAnnotationBorderWidth())); connect(newmodel, SIGNAL(lineChanged(int)), this, SLOT(updateAnnotationLine(int))); } updateAnnotationBorderWidth(); } void KateIconBorder::displayRangeChanged() { hideFolding(); removeAnnotationHovering(); } //END KateIconBorder //BEGIN KateViewEncodingAction // According to http://www.iana.org/assignments/ianacharset-mib // the default/unknown mib value is 2. #define MIB_DEFAULT 2 bool lessThanAction(KSelectAction *a, KSelectAction *b) { return a->text() < b->text(); } void KateViewEncodingAction::Private::init() { QList actions; q->setToolBarMode(MenuMode); int i; foreach (const QStringList &encodingsForScript, KCharsets::charsets()->encodingsByScript()) { KSelectAction *tmp = new KSelectAction(encodingsForScript.at(0), q); for (i = 1; i < encodingsForScript.size(); ++i) { tmp->addAction(encodingsForScript.at(i)); } q->connect(tmp, SIGNAL(triggered(QAction*)), q, SLOT(_k_subActionTriggered(QAction*))); //tmp->setCheckable(true); actions << tmp; } std::sort(actions.begin(), actions.end(), lessThanAction); foreach (KSelectAction *action, actions) { q->addAction(action); } } void KateViewEncodingAction::Private::_k_subActionTriggered(QAction *action) { if (currentSubAction == action) { return; } currentSubAction = action; bool ok = false; int mib = q->mibForName(action->text(), &ok); if (ok) { emit q->KSelectAction::triggered(action->text()); emit q->triggered(q->codecForMib(mib)); } } KateViewEncodingAction::KateViewEncodingAction(KTextEditor::DocumentPrivate *_doc, KTextEditor::ViewPrivate *_view, const QString &text, QObject *parent, bool saveAsMode) : KSelectAction(text, parent), doc(_doc), view(_view), d(new Private(this)) , m_saveAsMode(saveAsMode) { d->init(); connect(menu(), SIGNAL(aboutToShow()), this, SLOT(slotAboutToShow())); connect(this, SIGNAL(triggered(QString)), this, SLOT(setEncoding(QString))); } KateViewEncodingAction::~KateViewEncodingAction() { delete d; } void KateViewEncodingAction::slotAboutToShow() { setCurrentCodec(doc->config()->encoding()); } void KateViewEncodingAction::setEncoding(const QString &e) { /** * in save as mode => trigger saveAs */ if (m_saveAsMode) { doc->documentSaveAsWithEncoding(e); return; } /** * else switch encoding */ doc->userSetEncodingForNextReload(); doc->setEncoding(e); view->reloadFile(); } int KateViewEncodingAction::mibForName(const QString &codecName, bool *ok) const { // FIXME logic is good but code is ugly bool success = false; int mib = MIB_DEFAULT; KCharsets *charsets = KCharsets::charsets(); QTextCodec *codec = charsets->codecForName(codecName, success); if (!success) { // Maybe we got a description name instead codec = charsets->codecForName(charsets->encodingForName(codecName), success); } if (codec) { mib = codec->mibEnum(); } if (ok) { *ok = success; } if (success) { return mib; } qCWarning(LOG_KTE) << "Invalid codec name: " << codecName; return MIB_DEFAULT; } QTextCodec *KateViewEncodingAction::codecForMib(int mib) const { if (mib == MIB_DEFAULT) { // FIXME offer to change the default codec return QTextCodec::codecForLocale(); } else { return QTextCodec::codecForMib(mib); } } QTextCodec *KateViewEncodingAction::currentCodec() const { return codecForMib(currentCodecMib()); } bool KateViewEncodingAction::setCurrentCodec(QTextCodec *codec) { disconnect(this, SIGNAL(triggered(QString)), this, SLOT(setEncoding(QString))); int i, j; for (i = 0; i < actions().size(); ++i) { if (actions().at(i)->menu()) { for (j = 0; j < actions().at(i)->menu()->actions().size(); ++j) { if (!j && !actions().at(i)->menu()->actions().at(j)->data().isNull()) { continue; } if (actions().at(i)->menu()->actions().at(j)->isSeparator()) { continue; } if (codec == KCharsets::charsets()->codecForName(actions().at(i)->menu()->actions().at(j)->text())) { d->currentSubAction = actions().at(i)->menu()->actions().at(j); d->currentSubAction->setChecked(true); } else { actions().at(i)->menu()->actions().at(j)->setChecked(false); } } } } connect(this, SIGNAL(triggered(QString)), this, SLOT(setEncoding(QString))); return true; } QString KateViewEncodingAction::currentCodecName() const { return d->currentSubAction->text(); } bool KateViewEncodingAction::setCurrentCodec(const QString &codecName) { return setCurrentCodec(KCharsets::charsets()->codecForName(codecName)); } int KateViewEncodingAction::currentCodecMib() const { return mibForName(currentCodecName()); } bool KateViewEncodingAction::setCurrentCodec(int mib) { return setCurrentCodec(codecForMib(mib)); } //END KateViewEncodingAction //BEGIN KateViewBar related classes KateViewBarWidget::KateViewBarWidget(bool addCloseButton, QWidget *parent) : QWidget(parent) , m_viewBar(nullptr) { QHBoxLayout *layout = new QHBoxLayout(this); // NOTE: Here be cosmetics. layout->setContentsMargins(0, 0, 0, 0); // hide button if (addCloseButton) { QToolButton *hideButton = new QToolButton(this); hideButton->setAutoRaise(true); hideButton->setIcon(QIcon::fromTheme(QStringLiteral("dialog-close"))); connect(hideButton, SIGNAL(clicked()), SIGNAL(hideMe())); layout->addWidget(hideButton); layout->setAlignment(hideButton, Qt::AlignLeft | Qt::AlignTop); } // widget to be used as parent for the real content m_centralWidget = new QWidget(this); layout->addWidget(m_centralWidget); setLayout(layout); setFocusProxy(m_centralWidget); } KateViewBar::KateViewBar(bool external, QWidget *parent, KTextEditor::ViewPrivate *view) : QWidget(parent), m_external(external), m_view(view), m_permanentBarWidget(nullptr) { m_layout = new QVBoxLayout(this); m_stack = new QStackedWidget(this); m_layout->addWidget(m_stack); m_layout->setContentsMargins(0, 0, 0, 0); m_stack->hide(); hide(); } void KateViewBar::addBarWidget(KateViewBarWidget *newBarWidget) { // just ignore additional adds for already existing widgets if (hasBarWidget(newBarWidget)) { return; } // add new widget, invisible... newBarWidget->hide(); m_stack->addWidget(newBarWidget); newBarWidget->setAssociatedViewBar(this); connect(newBarWidget, SIGNAL(hideMe()), SLOT(hideCurrentBarWidget())); } void KateViewBar::removeBarWidget(KateViewBarWidget *barWidget) { // remove only if there if (!hasBarWidget(barWidget)) { return; } m_stack->removeWidget(barWidget); barWidget->setAssociatedViewBar(nullptr); barWidget->hide(); disconnect(barWidget, nullptr, this, nullptr); } void KateViewBar::addPermanentBarWidget(KateViewBarWidget *barWidget) { Q_ASSERT(barWidget); Q_ASSERT(!m_permanentBarWidget); m_stack->addWidget(barWidget); m_stack->setCurrentWidget(barWidget); m_stack->show(); m_permanentBarWidget = barWidget; m_permanentBarWidget->show(); setViewBarVisible(true); } void KateViewBar::removePermanentBarWidget(KateViewBarWidget *barWidget) { Q_ASSERT(m_permanentBarWidget == barWidget); Q_UNUSED(barWidget); const bool hideBar = m_stack->currentWidget() == m_permanentBarWidget; m_permanentBarWidget->hide(); m_stack->removeWidget(m_permanentBarWidget); m_permanentBarWidget = nullptr; if (hideBar) { m_stack->hide(); setViewBarVisible(false); } } bool KateViewBar::hasPermanentWidget(KateViewBarWidget *barWidget) const { return (m_permanentBarWidget == barWidget); } void KateViewBar::showBarWidget(KateViewBarWidget *barWidget) { Q_ASSERT(barWidget != nullptr); if (barWidget != qobject_cast(m_stack->currentWidget())) { hideCurrentBarWidget(); } // raise correct widget m_stack->setCurrentWidget(barWidget); barWidget->show(); barWidget->setFocus(Qt::ShortcutFocusReason); m_stack->show(); setViewBarVisible(true); } bool KateViewBar::hasBarWidget(KateViewBarWidget *barWidget) const { return m_stack->indexOf(barWidget) != -1; } void KateViewBar::hideCurrentBarWidget() { KateViewBarWidget *current = qobject_cast(m_stack->currentWidget()); if (current) { current->closed(); } // if we have any permanent widget, make it visible again if (m_permanentBarWidget) { m_stack->setCurrentWidget (m_permanentBarWidget); } else { // else: hide the bar m_stack->hide(); setViewBarVisible(false); } m_view->setFocus(); } void KateViewBar::setViewBarVisible(bool visible) { if (m_external) { if (visible) { m_view->mainWindow()->showViewBar(m_view); } else { m_view->mainWindow()->hideViewBar(m_view); } } else { setVisible(visible); } } bool KateViewBar::hiddenOrPermanent() const { KateViewBarWidget *current = qobject_cast(m_stack->currentWidget()); if (!isVisible() || (m_permanentBarWidget && m_permanentBarWidget == current)) { return true; } return false; } void KateViewBar::keyPressEvent(QKeyEvent *event) { if (event->key() == Qt::Key_Escape) { hideCurrentBarWidget(); return; } QWidget::keyPressEvent(event); } void KateViewBar::hideEvent(QHideEvent *event) { Q_UNUSED(event); // if (!event->spontaneous()) // m_view->setFocus(); } //END KateViewBar related classes KatePasteMenu::KatePasteMenu(const QString &text, KTextEditor::ViewPrivate *view) : KActionMenu(text, view) , m_view(view) { connect(menu(), SIGNAL(aboutToShow()), this, SLOT(slotAboutToShow())); } void KatePasteMenu::slotAboutToShow() { menu()->clear(); /** * insert complete paste history */ int i = 0; Q_FOREACH (const QString &text, KTextEditor::EditorPrivate::self()->clipboardHistory()) { /** * get text for the menu ;) */ QString leftPart = (text.size() > 48) ? (text.left(48) + QLatin1String("...")) : text; QAction *a = menu()->addAction(leftPart.replace(QLatin1String("\n"), QLatin1String(" ")), this, SLOT(paste())); a->setData(i++); } } void KatePasteMenu::paste() { if (!sender()) { return; } QAction *action = qobject_cast(sender()); if (!action) { return; } // get index int i = action->data().toInt(); if (i >= KTextEditor::EditorPrivate::self()->clipboardHistory().size()) { return; } // paste m_view->paste(&KTextEditor::EditorPrivate::self()->clipboardHistory()[i]); }