diff --git a/src/view/kateviewinternal.cpp b/src/view/kateviewinternal.cpp index 5d30611f..20d651d3 100644 --- a/src/view/kateviewinternal.cpp +++ b/src/view/kateviewinternal.cpp @@ -1,3265 +1,3265 @@ /* This file is part of the KDE libraries Copyright (C) 2002 John Firebaugh Copyright (C) 2002 Joseph Wenninger Copyright (C) 2002,2003 Christoph Cullmann Copyright (C) 2002-2007 Hamish Rodda Copyright (C) 2003 Anakim Border Copyright (C) 2007 Mirko Stocker Copyright (C) 2007 Matthew Woehlke Copyright (C) 2008 Erlend Hamberg Copyright (C) 2016 Sven Brauch Based on: KWriteView : Copyright (C) 1999 Jochen Wilhelmy 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 "kateviewinternal.h" #include "kateview.h" #include "kateviewhelpers.h" #include "katehighlight.h" #include "katebuffer.h" #include "katerenderer.h" #include "kateconfig.h" #include "katelayoutcache.h" #include "katecompletionwidget.h" #include "spellcheck/spellingmenu.h" #include "kateviewaccessible.h" #include "katetextanimation.h" #include "katemessagewidget.h" #include "kateglobal.h" #include "kateabstractinputmodefactory.h" #include "kateabstractinputmode.h" #include "katepartdebug.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include static const bool debugPainting = false; class ZoomEventFilter { public: ZoomEventFilter(KateViewInternal *vi) { } bool detectZoomingEvent(QWheelEvent *e, Qt::KeyboardModifiers modifier = Qt::ControlModifier) { Qt::KeyboardModifiers modState = e->modifiers(); if (modState == modifier) { if (m_lastWheelEvent.isValid()) { const qint64 deltaT = m_lastWheelEvent.elapsed(); // Pressing the specified modifier key within 200ms of the previous "unmodified" // wheelevent is not allowed to toggle on text zooming if (m_lastWheelEventUnmodified && deltaT < 200) { m_ignoreZoom = true; } else if (deltaT > 1000) { // the protection is kept active for 1s after the last wheel event // TODO: this value should be tuned, preferrably by someone using // Ctrl+Wheel zooming frequently. m_ignoreZoom = false; } } else { // we can't say anything and have to assume there's nothing // accidental to the modifier being pressed. m_ignoreZoom = false; } m_lastWheelEventUnmodified = false; if (m_ignoreZoom) { // unset the modifier so the view scrollbars can handle the scroll // event and produce normal, not accelerated scrolling modState &= ~modifier; e->setModifiers(modState); } } else { // state is reset after any wheel event without the zoom modifier m_lastWheelEventUnmodified = true; m_ignoreZoom = false; } m_lastWheelEvent.start(); // inform the caller whether this event is allowed to trigger text zooming. return !m_ignoreZoom && modState == modifier; } protected: QElapsedTimer m_lastWheelEvent; bool m_ignoreZoom = false; bool m_lastWheelEventUnmodified = false; }; KateViewInternal::KateViewInternal(KTextEditor::ViewPrivate *view) : QWidget(view) , editSessionNumber(0) , editIsRunning(false) , m_view(view) , m_cursors(this) , m_selections(this) , m_mouse() , m_possibleTripleClick(false) , m_completionItemExpanded(false) , m_bm(doc()->newMovingRange(KTextEditor::Range::invalid(), KTextEditor::MovingRange::DoNotExpand)) , m_bmStart(doc()->newMovingRange(KTextEditor::Range::invalid(), KTextEditor::MovingRange::DoNotExpand)) , m_bmEnd(doc()->newMovingRange(KTextEditor::Range::invalid(), KTextEditor::MovingRange::DoNotExpand)) , m_bmLastFlashPos(doc()->newMovingCursor(KTextEditor::Cursor::invalid())) , m_dummy(nullptr) // stay on cursor will avoid that the view scroll around on press return at beginning , m_startPos(doc()->buffer(), KTextEditor::Cursor(0, 0), Kate::TextCursor::StayOnInsert) , m_visibleLineCount(0) , m_madeVisible(false) , m_shiftKeyPressed(false) , m_autoCenterLines(0) , m_minLinesVisible(0) , m_selChangedByUser(false) , m_selectAnchor(-1, -1) , m_layoutCache(new KateLayoutCache(renderer(), this)) , m_cachedMaxStartPos(-1, -1) , m_dragScrollTimer(this) , m_scrollTimer(this) , m_cursorTimer(this) , m_textHintTimer(this) , m_textHintDelay(500) , m_textHintPos(-1, -1) , m_imPreeditRange(nullptr) { QList factories = KTextEditor::EditorPrivate::self()->inputModeFactories(); Q_FOREACH(KateAbstractInputModeFactory *factory, factories) { KateAbstractInputMode *m = factory->createInputMode(this); m_inputModes.insert(m->viewInputMode(), m); } m_currentInputMode = m_inputModes[KTextEditor::View::NormalInputMode]; // TODO: twisted, but needed setMinimumSize(0, 0); setAttribute(Qt::WA_OpaquePaintEvent); setAttribute(Qt::WA_InputMethodEnabled); // bracket markers are only for this view and should not be printed m_bm->setView(m_view); m_bmStart->setView(m_view); m_bmEnd->setView(m_view); m_bm->setAttributeOnlyForViews(true); m_bmStart->setAttributeOnlyForViews(true); m_bmEnd->setAttributeOnlyForViews(true); // use z depth defined in moving ranges interface m_bm->setZDepth(-1000.0); m_bmStart->setZDepth(-1000.0); m_bmEnd->setZDepth(-1000.0); // update mark attributes updateBracketMarkAttributes(); // // scrollbar for lines // m_lineScroll = new KateScrollBar(Qt::Vertical, this); m_lineScroll->show(); m_lineScroll->setTracking(true); m_lineScroll->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Expanding); // Hijack the line scroller's controls, so we can scroll nicely for word-wrap connect(m_lineScroll, SIGNAL(actionTriggered(int)), SLOT(scrollAction(int))); connect(m_lineScroll, SIGNAL(sliderMoved(int)), SLOT(scrollLines(int))); connect(m_lineScroll, SIGNAL(sliderMMBMoved(int)), SLOT(scrollLines(int))); connect(m_lineScroll, SIGNAL(valueChanged(int)), SLOT(scrollLines(int))); // // scrollbar for columns // m_columnScroll = new QScrollBar(Qt::Horizontal, m_view); if (m_view->dynWordWrap()) { m_columnScroll->hide(); } else { m_columnScroll->show(); } m_columnScroll->setTracking(true); m_startX = 0; connect(m_columnScroll, SIGNAL(valueChanged(int)), SLOT(scrollColumns(int))); // bottom corner box m_dummy = new QWidget(m_view); m_dummy->setFixedSize(m_lineScroll->width(), m_columnScroll->sizeHint().height()); m_dummy->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed); if (m_view->dynWordWrap()) { m_dummy->hide(); } else { m_dummy->show(); } cache()->setWrap(m_view->dynWordWrap()); // // iconborder ;) // m_leftBorder = new KateIconBorder(this, m_view); m_leftBorder->show(); // update view if folding ranges change connect(&m_view->textFolding(), SIGNAL(foldingRangesChanged()), SLOT(slotRegionVisibilityChanged())); m_displayCursor.setPosition(0, 0); setAcceptDrops(true); m_zoomEventFilter = new ZoomEventFilter(this); // event filter installEventFilter(this); // set initial cursor m_mouseCursor = Qt::IBeamCursor; setCursor(m_mouseCursor); // call mouseMoveEvent also if no mouse button is pressed setMouseTracking(true); m_dragInfo.state = diNone; // timers connect(&m_dragScrollTimer, SIGNAL(timeout()), this, SLOT(doDragScroll())); connect(&m_scrollTimer, SIGNAL(timeout()), this, SLOT(scrollTimeout())); connect(&m_cursorTimer, SIGNAL(timeout()), this, SLOT(cursorTimeout())); connect(&m_textHintTimer, SIGNAL(timeout()), this, SLOT(textHintTimeout())); #ifndef QT_NO_ACCESSIBILITY QAccessible::installFactory(accessibleInterfaceFactory); #endif connect(doc(), &KTextEditor::DocumentPrivate::textInserted, this, &KateViewInternal::documentTextInserted); connect(doc(), &KTextEditor::DocumentPrivate::textRemoved, this, &KateViewInternal::documentTextRemoved); // update is called in KTextEditor::ViewPrivate, after construction and layout is over // but before any other kateviewinternal call } KateViewInternal::~KateViewInternal() { // delete text animation object here, otherwise it updates the view in its destructor delete m_textAnimation; #ifndef QT_NO_ACCESSIBILITY QAccessible::removeFactory(accessibleInterfaceFactory); #endif // kill preedit ranges delete m_imPreeditRange; qDeleteAll(m_imPreeditRangeChildren); qDeleteAll(m_inputModes); // delete bracket markers delete m_bm; delete m_bmStart; delete m_bmEnd; delete m_zoomEventFilter; } void KateViewInternal::prepareForDynWrapChange() { // Which is the current view line? m_wrapChangeViewLine = cache()->displayViewLine(m_displayCursor, true); } void KateViewInternal::dynWrapChanged() { m_dummy->setFixedSize(m_lineScroll->width(), m_columnScroll->sizeHint().height()); if (m_view->dynWordWrap()) { m_columnScroll->hide(); m_dummy->hide(); } else { // column scrollbar + bottom corner box m_columnScroll->show(); m_dummy->show(); } cache()->setWrap(m_view->dynWordWrap()); updateView(); if (m_view->dynWordWrap()) { scrollColumns(0); } // Determine where the cursor should be to get the cursor on the same view line if (m_wrapChangeViewLine != -1) { KTextEditor::Cursor newStart = viewLineOffset(m_displayCursor, -m_wrapChangeViewLine); makeVisible(newStart, newStart.column(), true); } else { update(); } } KTextEditor::Cursor KateViewInternal::endPos() const { // Hrm, no lines laid out at all?? if (!cache()->viewCacheLineCount()) { return KTextEditor::Cursor(); } for (int i = qMin(linesDisplayed() - 1, cache()->viewCacheLineCount() - 1); i >= 0; i--) { const KateTextLayout &thisLine = cache()->viewLine(i); if (thisLine.line() == -1) { continue; } if (thisLine.virtualLine() >= m_view->textFolding().visibleLines()) { // Cache is too out of date return KTextEditor::Cursor(m_view->textFolding().visibleLines() - 1, doc()->lineLength(m_view->textFolding().visibleLineToLine(m_view->textFolding().visibleLines() - 1))); } return KTextEditor::Cursor(thisLine.virtualLine(), thisLine.wrap() ? thisLine.endCol() - 1 : thisLine.endCol()); } // can happen, if view is still invisible return KTextEditor::Cursor(); } int KateViewInternal::endLine() const { return endPos().line(); } KateTextLayout KateViewInternal::yToKateTextLayout(int y) const { if (y < 0 || y > size().height()) { return KateTextLayout::invalid(); } int range = y / renderer()->lineHeight(); // lineRanges is always bigger than 0, after the initial updateView call if (range >= 0 && range < cache()->viewCacheLineCount()) { return cache()->viewLine(range); } return KateTextLayout::invalid(); } int KateViewInternal::lineToY(int viewLine) const { return (viewLine - startLine()) * renderer()->lineHeight(); } void KateViewInternal::slotIncFontSizes(qreal step) { renderer()->increaseFontSizes(step); } void KateViewInternal::slotDecFontSizes(qreal step) { renderer()->decreaseFontSizes(step); } /** * Line is the real line number to scroll to. */ void KateViewInternal::scrollLines(int line) { KTextEditor::Cursor newPos(line, 0); scrollPos(newPos); } // This can scroll less than one true line void KateViewInternal::scrollViewLines(int offset) { KTextEditor::Cursor c = viewLineOffset(startPos(), offset); scrollPos(c); bool blocked = m_lineScroll->blockSignals(true); m_lineScroll->setValue(startLine()); m_lineScroll->blockSignals(blocked); } void KateViewInternal::scrollAction(int action) { switch (action) { case QAbstractSlider::SliderSingleStepAdd: scrollNextLine(); break; case QAbstractSlider::SliderSingleStepSub: scrollPrevLine(); break; case QAbstractSlider::SliderPageStepAdd: scrollNextPage(); break; case QAbstractSlider::SliderPageStepSub: scrollPrevPage(); break; case QAbstractSlider::SliderToMinimum: top_home(); break; case QAbstractSlider::SliderToMaximum: bottom_end(); break; } } void KateViewInternal::scrollNextPage() { scrollViewLines(qMax(linesDisplayed() - 1, 0)); } void KateViewInternal::scrollPrevPage() { scrollViewLines(-qMax(linesDisplayed() - 1, 0)); } void KateViewInternal::scrollPrevLine() { scrollViewLines(-1); } void KateViewInternal::scrollNextLine() { scrollViewLines(1); } KTextEditor::Cursor KateViewInternal::maxStartPos(bool changed) { cache()->setAcceptDirtyLayouts(true); if (m_cachedMaxStartPos.line() == -1 || changed) { KTextEditor::Cursor end(m_view->textFolding().visibleLines() - 1, doc()->lineLength(m_view->textFolding().visibleLineToLine(m_view->textFolding().visibleLines() - 1))); if (m_view->config()->scrollPastEnd()) { m_cachedMaxStartPos = viewLineOffset(end, -m_minLinesVisible); } else { m_cachedMaxStartPos = viewLineOffset(end, -(linesDisplayed() - 1)); } } cache()->setAcceptDirtyLayouts(false); return m_cachedMaxStartPos; } // c is a virtual cursor void KateViewInternal::scrollPos(KTextEditor::Cursor &c, bool force, bool calledExternally, bool emitSignals) { if (!force && ((!m_view->dynWordWrap() && c.line() == startLine()) || c == startPos())) { return; } if (c.line() < 0) { c.setLine(0); } KTextEditor::Cursor limit = maxStartPos(); if (c > limit) { c = limit; // Re-check we're not just scrolling to the same place if (!force && ((!m_view->dynWordWrap() && c.line() == startLine()) || c == startPos())) { return; } } int viewLinesScrolled = 0; // only calculate if this is really used and useful, could be wrong here, please recheck // for larger scrolls this makes 2-4 seconds difference on my xeon with dyn. word wrap on // try to get it really working ;) bool viewLinesScrolledUsable = !force && (c.line() >= startLine() - linesDisplayed() - 1) && (c.line() <= endLine() + linesDisplayed() + 1); if (viewLinesScrolledUsable) { viewLinesScrolled = cache()->displayViewLine(c); } m_startPos.setPosition(c); // set false here but reversed if we return to makeVisible m_madeVisible = false; if (viewLinesScrolledUsable) { int lines = linesDisplayed(); if (m_view->textFolding().visibleLines() < lines) { KTextEditor::Cursor end(m_view->textFolding().visibleLines() - 1, doc()->lineLength(m_view->textFolding().visibleLineToLine(m_view->textFolding().visibleLines() - 1))); lines = qMin(linesDisplayed(), cache()->displayViewLine(end) + 1); } Q_ASSERT(lines >= 0); if (!calledExternally && qAbs(viewLinesScrolled) < lines && // NOTE: on some machines we must update if the floating widget is visible // otherwise strange painting bugs may occur during scrolling... !((m_view->m_floatTopMessageWidget && m_view->m_floatTopMessageWidget->isVisible()) || (m_view->m_floatBottomMessageWidget && m_view->m_floatBottomMessageWidget->isVisible())) ) { updateView(false, viewLinesScrolled); int scrollHeight = -(viewLinesScrolled * (int)renderer()->lineHeight()); // scroll excluding child widgets (floating notifications) scroll(0, scrollHeight, rect()); m_leftBorder->scroll(0, scrollHeight); if (emitSignals) { emit m_view->verticalScrollPositionChanged(m_view, c); emit m_view->displayRangeChanged(m_view); } return; } } updateView(); update(); m_leftBorder->update(); if (emitSignals) { emit m_view->verticalScrollPositionChanged(m_view, c); emit m_view->displayRangeChanged(m_view); } } void KateViewInternal::scrollColumns(int x) { if (x < 0) { x = 0; } if (x > m_columnScroll->maximum()) { x = m_columnScroll->maximum(); } if (x == m_startX) { return; } int dx = m_startX - x; m_startX = x; if (qAbs(dx) < width()) { // scroll excluding child widgets (floating notifications) scroll(dx, 0, rect()); } else { update(); } emit m_view->horizontalScrollPositionChanged(m_view); emit m_view->displayRangeChanged(m_view); bool blocked = m_columnScroll->blockSignals(true); m_columnScroll->setValue(m_startX); m_columnScroll->blockSignals(blocked); } // If changed is true, the lines that have been set dirty have been updated. void KateViewInternal::updateView(bool changed, int viewLinesScrolled) { doUpdateView(changed, viewLinesScrolled); if (changed) { updateDirty(); } } void KateViewInternal::doUpdateView(bool changed, int viewLinesScrolled) { if (!isVisible() && !viewLinesScrolled && !changed) { return; //When this view is not visible, don't do anything } bool blocked = m_lineScroll->blockSignals(true); if (width() != cache()->viewWidth()) { cache()->setViewWidth(width()); changed = true; } /* It was observed that height() could be negative here -- when the main Kate view has 0 as size (during creation), and there frame arount KateViewInternal. In which case we'd set the view cache to 0 (or less!) lines, and start allocating huge chunks of data, later. */ int newSize = (qMax(0, height()) / renderer()->lineHeight()) + 1; cache()->updateViewCache(startPos(), newSize, viewLinesScrolled); m_visibleLineCount = newSize; KTextEditor::Cursor maxStart = maxStartPos(changed); int maxLineScrollRange = maxStart.line(); if (m_view->dynWordWrap() && maxStart.column() != 0) { maxLineScrollRange++; } m_lineScroll->setRange(0, maxLineScrollRange); m_lineScroll->setValue(startPos().line()); m_lineScroll->setSingleStep(1); m_lineScroll->setPageStep(qMax(0, height()) / renderer()->lineHeight()); m_lineScroll->blockSignals(blocked); KateViewConfig::ScrollbarMode show_scrollbars = static_cast(view()->config()->showScrollbars()); bool visible = ((show_scrollbars == KateViewConfig::AlwaysOn) || ((show_scrollbars == KateViewConfig::ShowWhenNeeded) && (maxLineScrollRange != 0))); bool visible_dummy = visible; m_lineScroll->setVisible(visible); if (!m_view->dynWordWrap()) { int max = maxLen(startLine()) - width(); if (max < 0) { max = 0; } // if we lose the ability to scroll horizontally, move view to the far-left if (max == 0) { scrollColumns(0); } blocked = m_columnScroll->blockSignals(true); // disable scrollbar m_columnScroll->setDisabled(max == 0); visible = ((show_scrollbars == KateViewConfig::AlwaysOn) || ((show_scrollbars == KateViewConfig::ShowWhenNeeded) && (max != 0))); visible_dummy &= visible; m_columnScroll->setVisible(visible); m_columnScroll->setRange(0, max + (renderer()->spaceWidth() / 2)); // Add some space for the caret at EOL m_columnScroll->setValue(m_startX); // Approximate linescroll m_columnScroll->setSingleStep(renderer()->config()->fontMetrics().width(QLatin1Char('a'))); m_columnScroll->setPageStep(width()); m_columnScroll->blockSignals(blocked); } else { visible_dummy = false; } m_dummy->setVisible(visible_dummy); } /** * this function ensures a certain location is visible on the screen. * if endCol is -1, ignore making the columns visible. */ void KateViewInternal::makeVisible(const KTextEditor::Cursor &c, int endCol, bool force, bool center, bool calledExternally) { //qCDebug(LOG_KTE) << "MakeVisible start " << startPos() << " end " << endPos() << " -> request: " << c;// , new start [" << scroll.line << "," << scroll.col << "] lines " << (linesDisplayed() - 1) << " height " << height(); // if the line is in a folded region, unfold all the way up //if ( doc()->foldingTree()->findNodeForLine( c.line )->visible ) // qCDebug(LOG_KTE)<<"line ("< endPos())) { KTextEditor::Cursor scroll = viewLineOffset(c, -int(linesDisplayed()) / 2); scrollPos(scroll, false, calledExternally); } else if (c > viewLineOffset(startPos(), linesDisplayed() - m_minLinesVisible - 1)) { KTextEditor::Cursor scroll = viewLineOffset(c, -(linesDisplayed() - m_minLinesVisible - 1)); scrollPos(scroll, false, calledExternally); } else if (c < viewLineOffset(startPos(), m_minLinesVisible)) { KTextEditor::Cursor scroll = viewLineOffset(c, -m_minLinesVisible); scrollPos(scroll, false, calledExternally); } else { // Check to see that we're not showing blank lines KTextEditor::Cursor max = maxStartPos(); if (startPos() > max) { scrollPos(max, max.column(), calledExternally); } } if (!m_view->dynWordWrap() && (endCol != -1 || m_view->wrapCursor())) { KTextEditor::Cursor rc = toRealCursor(c); int sX = renderer()->cursorToX(cache()->textLayout(rc), rc, !m_view->wrapCursor()); int sXborder = sX - 8; if (sXborder < 0) { sXborder = 0; } if (sX < m_startX) { scrollColumns(sXborder); } else if (sX > m_startX + width()) { scrollColumns(sX - width() + 8); } } m_madeVisible = !force; #ifndef QT_NO_ACCESSIBILITY // FIXME -- is this needed? // QAccessible::updateAccessibility(this, KateCursorAccessible::ChildId, QAccessible::Focus); #endif } void KateViewInternal::slotRegionVisibilityChanged() { qCDebug(LOG_KTE); cache()->clear(); m_cachedMaxStartPos.setLine(-1); KTextEditor::Cursor max = maxStartPos(); if (startPos() > max) { scrollPos(max, false, false, false /* don't emit signals! */); } // if text was folded: make sure the cursor is on a visible line qint64 foldedRangeId = -1; if (!m_view->textFolding().isLineVisible(primaryCursor().line(), &foldedRangeId)) { KTextEditor::Range foldingRange = m_view->textFolding().foldingRange(foldedRangeId); Q_ASSERT(foldingRange.start().isValid()); // set cursor to start of folding region cursors()->setPrimaryCursor(foldingRange.start(), true); } else { // force an update of the cursor, since otherwise the m_displayCursor // line may be below the total amount of visible lines. cursors()->setPrimaryCursor(primaryCursor(), true); } updateView(); update(); m_leftBorder->update(); // emit signals here, scrollPos has this disabled, to ensure we do this after all stuff is updated! emit m_view->verticalScrollPositionChanged(m_view, max); emit m_view->displayRangeChanged(m_view); } void KateViewInternal::slotRegionBeginEndAddedRemoved(unsigned int) { qCDebug(LOG_KTE); // FIXME: performance problem m_leftBorder->update(); } void KateViewInternal::showEvent(QShowEvent *e) { updateView(); QWidget::showEvent(e); } int KateViewInternal::linesDisplayed() const { int h = height(); // catch zero heights, even if should not happen int fh = qMax(1, renderer()->lineHeight()); // default to 1, there is always one line around.... // too many places calc with linesDisplayed() - 1 return qMax(1, (h - (h % fh)) / fh); } QPoint KateViewInternal::cursorToCoordinate(const KTextEditor::Cursor &cursor, bool realCursor, bool includeBorder) const { if (cursor.line() >= doc()->lines()) { return QPoint(-1, -1); } int viewLine = cache()->displayViewLine(realCursor ? toVirtualCursor(cursor) : cursor, true); if (viewLine < 0 || viewLine >= cache()->viewCacheLineCount()) { return QPoint(-1, -1); } const int y = (int)viewLine * renderer()->lineHeight(); KateTextLayout layout = cache()->viewLine(viewLine); if (cursor.column() > doc()->lineLength(cursor.line())) { return QPoint(-1, -1); } int x = 0; // only set x value if we have a valid layout (bug #171027) if (layout.isValid()) { x = (int)layout.lineLayout().cursorToX(cursor.column()); } // else // qCDebug(LOG_KTE) << "Invalid Layout"; if (includeBorder) { x += m_leftBorder->width(); } x -= startX(); return QPoint(x, y); } QPoint KateViewInternal::cursorCoordinates(bool includeBorder) const { return cursorToCoordinate(m_displayCursor, false, includeBorder); } KTextEditor::Cursor KateViewInternal::findMatchingBracket() { KTextEditor::Cursor c; if (!m_bm->toRange().isValid()) { return KTextEditor::Cursor::invalid(); } Q_ASSERT(m_bmEnd->toRange().isValid()); Q_ASSERT(m_bmStart->toRange().isValid()); auto cursor = primaryCursor(); if (m_bmStart->toRange().contains(cursor) || m_bmStart->end() == cursor) { c = m_bmEnd->end(); } else if (m_bmEnd->toRange().contains(cursor) || m_bmEnd->end() == cursor) { c = m_bmStart->start(); } else { // should never happen: a range exists, but the cursor position is // neither at the start nor at the end... return KTextEditor::Cursor::invalid(); } return c; } void KateViewInternal::doReturn() { doc()->newLine(m_view); m_leftBorder->updateForCursorLineChange(); updateView(); } void KateViewInternal::doSmartNewline() { int ln = primaryCursor().line(); Kate::TextLine line = doc()->kateTextLine(ln); int col = qMin(primaryCursor().column(), line->firstChar()); if (col != -1) { while (line->length() > col && !(line->at(col).isLetterOrNumber() || line->at(col) == QLatin1Char('_')) && col < primaryCursor().column()) { ++col; } } else { col = line->length(); // stay indented } doc()->editStart(); doc()->editWrapLine(ln, primaryCursor().column()); doc()->insertText(KTextEditor::Cursor(ln + 1, 0), line->string(0, col)); doc()->editEnd(); updateView(); } void KateViewInternal::doDelete() { auto cursors = view()->allCursors(); KTextEditor::Document::EditingTransaction t(doc()); bool hadSelection = view()->selection(); Q_FOREACH ( const auto& cursor, cursors ) { doc()->del(m_view, cursor); if (hadSelection) { // if we had a selection, only call del() once. break; } } } void KateViewInternal::doBackspace() { auto cursors = view()->allCursors(); KTextEditor::Document::EditingTransaction t(doc()); bool hadSelection = view()->selection(); Q_FOREACH ( const auto& cursor, cursors ) { doc()->backspace(m_view, cursor); if (hadSelection) { // if we had a selection, only call backspace() once. break; } } } void KateViewInternal::doTabulator() { doc()->insertTab(m_view, primaryCursor()); } void KateViewInternal::doTranspose() { doc()->transpose(primaryCursor()); } void KateViewInternal::doDeletePrevWord() { doc()->editStart(); wordPrev(true); KTextEditor::Range selection = m_view->selectionRange(); m_view->removeSelectedText(); doc()->editEnd(); tagRange(selection, true); updateDirty(); } void KateViewInternal::doDeleteNextWord() { doc()->editStart(); wordNext(true); KTextEditor::Range selection = m_view->selectionRange(); m_view->removeSelectedText(); doc()->editEnd(); tagRange(selection, true); updateDirty(); } void KateViewInternal::clearSelectionUnless(bool sel) { if ( ! sel ) { selections()->clearSelectionIfNotPersistent(); } } void KateViewInternal::cursorPrevChar(bool sel) { clearSelectionUnless(sel); cursors()->moveCursorsLeft(sel); } void KateViewInternal::cursorNextChar(bool sel) { clearSelectionUnless(sel); cursors()->moveCursorsRight(sel); } void KateViewInternal::wordPrev(bool sel) { clearSelectionUnless(sel); cursors()->moveCursorsWordPrevious(sel); } void KateViewInternal::wordNext(bool sel) { clearSelectionUnless(sel); cursors()->moveCursorsWordNext(sel); } void KateViewInternal::home(bool sel) { clearSelectionUnless(sel); cursors()->moveCursorsStartOfLine(sel); } void KateViewInternal::end(bool sel) { clearSelectionUnless(sel); cursors()->moveCursorsEndOfLine(sel); } KateTextLayout KateViewInternal::currentLayout(const KTextEditor::Cursor& cursor) const { return cache()->textLayout(cursor); } KateTextLayout KateViewInternal::previousLayout(const KTextEditor::Cursor& cursor) const { int currentViewLine = cache()->viewLine(cursor); if (currentViewLine) { return cache()->textLayout(cursor.line(), currentViewLine - 1); } else { return cache()->textLayout(m_view->textFolding().visibleLineToLine(toVirtualCursor(cursor).line() - 1), -1); } } KateTextLayout KateViewInternal::nextLayout(const KTextEditor::Cursor& cursor) const { int currentViewLine = cache()->viewLine(cursor) + 1; if (currentViewLine >= cache()->line(cursor.line())->viewLineCount()) { currentViewLine = 0; return cache()->textLayout(m_view->textFolding().visibleLineToLine(toVirtualCursor(cursor).line() + 1), currentViewLine); } else { return cache()->textLayout(cursor.line(), currentViewLine); } } /* * This returns the cursor which is offset by (offset) view lines. * This is the main function which is called by code not specifically dealing with word-wrap. * The opposite conversion (cursor to offset) can be done with cache()->displayViewLine(). * * The cursors involved are virtual cursors (ie. equivalent to m_displayCursor) */ KTextEditor::Cursor KateViewInternal::viewLineOffset(const KTextEditor::Cursor &virtualCursor, int offset) { if (!m_view->dynWordWrap()) { KTextEditor::Cursor ret(qMin((int)m_view->textFolding().visibleLines() - 1, virtualCursor.line() + offset), 0); if (ret.line() < 0) { ret.setLine(0); } return ret; } KTextEditor::Cursor realCursor = virtualCursor; realCursor.setLine(m_view->textFolding().visibleLineToLine(m_view->textFolding().lineToVisibleLine(virtualCursor.line()))); int cursorViewLine = cache()->viewLine(realCursor); int currentOffset = 0; int virtualLine = 0; bool forwards = (offset > 0) ? true : false; if (forwards) { currentOffset = cache()->lastViewLine(realCursor.line()) - cursorViewLine; if (offset <= currentOffset) { // the answer is on the same line KateTextLayout thisLine = cache()->textLayout(realCursor.line(), cursorViewLine + offset); Q_ASSERT(thisLine.virtualLine() == (int) m_view->textFolding().lineToVisibleLine(virtualCursor.line())); return KTextEditor::Cursor(virtualCursor.line(), thisLine.startCol()); } virtualLine = virtualCursor.line() + 1; } else { offset = -offset; currentOffset = cursorViewLine; if (offset <= currentOffset) { // the answer is on the same line KateTextLayout thisLine = cache()->textLayout(realCursor.line(), cursorViewLine - offset); Q_ASSERT(thisLine.virtualLine() == (int) m_view->textFolding().lineToVisibleLine(virtualCursor.line())); return KTextEditor::Cursor(virtualCursor.line(), thisLine.startCol()); } virtualLine = virtualCursor.line() - 1; } currentOffset++; while (virtualLine >= 0 && virtualLine < (int)m_view->textFolding().visibleLines()) { int realLine = m_view->textFolding().visibleLineToLine(virtualLine); KateLineLayoutPtr thisLine = cache()->line(realLine, virtualLine); if (!thisLine) { break; } for (int i = 0; i < thisLine->viewLineCount(); ++i) { if (offset == currentOffset) { KateTextLayout thisViewLine = thisLine->viewLine(i); if (!forwards) { // We actually want it the other way around int requiredViewLine = cache()->lastViewLine(realLine) - thisViewLine.viewLine(); if (requiredViewLine != thisViewLine.viewLine()) { thisViewLine = thisLine->viewLine(requiredViewLine); } } KTextEditor::Cursor ret(virtualLine, thisViewLine.startCol()); return ret; } currentOffset++; } if (forwards) { virtualLine++; } else { virtualLine--; } } // Looks like we were asked for something a bit exotic. // Return the max/min valid position. if (forwards) { return KTextEditor::Cursor(m_view->textFolding().visibleLines() - 1, doc()->lineLength(m_view->textFolding().visibleLineToLine(m_view->textFolding().visibleLines() - 1))); } else { return KTextEditor::Cursor(0, 0); } } int KateViewInternal::lineMaxCursorX(const KateTextLayout &range) { if (!m_view->wrapCursor() && !range.wrap()) { return INT_MAX; } int maxX = range.endX(); if (maxX && range.wrap()) { QChar lastCharInLine = doc()->kateTextLine(range.line())->at(range.endCol() - 1); maxX -= renderer()->config()->fontMetrics().width(lastCharInLine); } return maxX; } int KateViewInternal::lineMaxCol(const KateTextLayout &range) { int maxCol = range.endCol(); if (maxCol && range.wrap()) { maxCol--; } return maxCol; } void KateViewInternal::cursorUp(bool sel) { if (!sel && m_view->completionWidget()->isCompletionActive()) { m_view->completionWidget()->cursorUp(); return; } cursors()->moveCursorsUp(sel); } void KateViewInternal::cursorDown(bool sel) { if (!sel && m_view->completionWidget()->isCompletionActive()) { m_view->completionWidget()->cursorDown(); return; } cursors()->moveCursorsDown(sel); } void KateViewInternal::cursorToMatchingBracket(bool sel) { KTextEditor::Cursor c = findMatchingBracket(); if (c.isValid()) { updateSelection(c, sel); cursors()->setPrimaryCursor(c); } } void KateViewInternal::topOfView(bool sel) { KTextEditor::Cursor c = viewLineOffset(startPos(), m_minLinesVisible); updateSelection(toRealCursor(c), sel); cursors()->setPrimaryCursor(toRealCursor(c)); } void KateViewInternal::bottomOfView(bool sel) { KTextEditor::Cursor c = viewLineOffset(endPos(), -m_minLinesVisible); updateSelection(toRealCursor(c), sel); cursors()->setPrimaryCursor(toRealCursor(c)); } // lines is the offset to scroll by void KateViewInternal::scrollLines(int lines, bool sel) { KTextEditor::Cursor c = viewLineOffset(m_displayCursor, lines); // Fix the virtual cursor -> real cursor c.setLine(m_view->textFolding().visibleLineToLine(c.line())); // how far do we move? auto moveLines = c.line() - primaryCursor().line(); cursors()->moveCursorsDown(sel, moveLines); // handles negative values } // This is a bit misleading... it's asking for the view to be scrolled, not the cursor void KateViewInternal::scrollUp() { KTextEditor::Cursor newPos = viewLineOffset(startPos(), -1); scrollPos(newPos); } void KateViewInternal::scrollDown() { KTextEditor::Cursor newPos = viewLineOffset(startPos(), 1); scrollPos(newPos); } void KateViewInternal::setAutoCenterLines(int viewLines, bool updateView) { m_autoCenterLines = viewLines; m_minLinesVisible = qMin(int((linesDisplayed() - 1) / 2), m_autoCenterLines); if (updateView) { KateViewInternal::updateView(); } } void KateViewInternal::pageUp(bool sel, bool half) { if (m_view->isCompletionActive()) { m_view->completionWidget()->pageUp(); return; } bool atTop = startPos().atStartOfDocument(); // Adjust for an auto-centering cursor int lineadj = m_minLinesVisible; int linesToScroll; if (! half) { linesToScroll = -qMax((linesDisplayed() - 1) - lineadj, 0); } else { linesToScroll = -qMax((linesDisplayed() / 2 - 1) - lineadj, 0); } qDebug() << "scroll by:" << linesToScroll; if (!doc()->pageUpDownMovesCursor() && !atTop) { KTextEditor::Cursor newStartPos = viewLineOffset(startPos(), linesToScroll - 1); scrollPos(newStartPos); cursors()->moveCursorsDown(sel, linesToScroll - 1); } else { scrollLines(linesToScroll, sel); } } void KateViewInternal::pageDown(bool sel, bool half) { if (m_view->isCompletionActive()) { m_view->completionWidget()->pageDown(); return; } bool atEnd = startPos() >= m_cachedMaxStartPos; // Adjust for an auto-centering cursor int lineadj = m_minLinesVisible; int linesToScroll; if (! half) { linesToScroll = qMax((linesDisplayed() - 1) - lineadj, 0); } else { linesToScroll = qMax((linesDisplayed() / 2 - 1) - lineadj, 0); } qDebug() << "scroll by:" << linesToScroll; if (!doc()->pageUpDownMovesCursor() && !atEnd) { KTextEditor::Cursor newStartPos = viewLineOffset(startPos(), linesToScroll + 1); scrollPos(newStartPos); cursors()->moveCursorsDown(sel, linesToScroll + 1); } else { scrollLines(linesToScroll, sel); } } int KateViewInternal::maxLen(int startLine) { Q_ASSERT(!m_view->dynWordWrap()); int displayLines = (m_view->height() / renderer()->lineHeight()) + 1; int maxLen = 0; for (int z = 0; z < displayLines; z++) { int virtualLine = startLine + z; if (virtualLine < 0 || virtualLine >= (int)m_view->textFolding().visibleLines()) { break; } maxLen = qMax(maxLen, cache()->line(m_view->textFolding().visibleLineToLine(virtualLine))->width()); } return maxLen; } bool KateViewInternal::columnScrollingPossible() { return !m_view->dynWordWrap() && m_columnScroll->isEnabled() && (m_columnScroll->maximum() > 0); } bool KateViewInternal::lineScrollingPossible() { return m_lineScroll->minimum() != m_lineScroll->maximum(); } void KateViewInternal::top_home(bool sel) { if (m_view->isCompletionActive()) { m_view->completionWidget()->top(); return; } cursors()->moveCursorsTopHome(sel); } void KateViewInternal::bottom_end(bool sel) { if (m_view->isCompletionActive()) { m_view->completionWidget()->bottom(); return; } cursors()->moveCursorsBottomEnd(sel); } void KateViewInternal::updateSelection(const KTextEditor::Cursor &_newCursor, bool keepSel) { /** KTextEditor::Cursor newCursor = _newCursor; if (keepSel) { if (!m_view->selection() || (m_selectAnchor.line() == -1) //don't kill the selection if we have a persistent selection and //the cursor is inside or at the boundaries of the selected area || (m_view->config()->persistentSelection() && !(m_view->selectionRange().contains(primaryCursor()) || m_view->selectionRange().boundaryAtCursor(primaryCursor())))) { m_selectAnchor = primaryCursor(); setSelection(KTextEditor::Range(primaryCursor(), newCursor)); } else { bool doSelect = true; switch (m_selectionMode) { case Word: { // Restore selStartCached if needed. It gets nuked by // viewSelectionChanged if we drag the selection into non-existence, // which can legitimately happen if a shift+DC selection is unable to // set a "proper" (i.e. non-empty) cached selection, e.g. because the // start was on something that isn't a word. Word select mode relies // on the cached selection being set properly, even if it is empty // (i.e. selStartCached == selEndCached). if (!m_selectionCached.isValid()) { m_selectionCached.setStart(m_selectionCached.end()); } int c; if (newCursor > m_selectionCached.start()) { m_selectAnchor = m_selectionCached.start(); Kate::TextLine l = doc()->kateTextLine(newCursor.line()); c = newCursor.column(); if (c > 0 && doc()->highlight()->isInWord(l->at(c - 1))) { for (; c < l->length(); c++) if (!doc()->highlight()->isInWord(l->at(c))) { break; } } newCursor.setColumn(c); } else if (newCursor < m_selectionCached.start()) { m_selectAnchor = m_selectionCached.end(); Kate::TextLine l = doc()->kateTextLine(newCursor.line()); c = newCursor.column(); if (c > 0 && c < doc()->lineLength(newCursor.line()) && doc()->highlight()->isInWord(l->at(c)) && doc()->highlight()->isInWord(l->at(c - 1))) { for (c -= 2; c >= 0; c--) if (!doc()->highlight()->isInWord(l->at(c))) { break; } newCursor.setColumn(c + 1); } } else { doSelect = false; } } break; case Line: if (!m_selectionCached.isValid()) { m_selectionCached = KTextEditor::Range(endLine(), 0, endLine(), 0); } if (newCursor.line() > m_selectionCached.start().line()) { if (newCursor.line() + 1 >= doc()->lines()) { newCursor.setColumn(doc()->line(newCursor.line()).length()); } else { newCursor.setPosition(newCursor.line() + 1, 0); } // Grow to include the entire line m_selectAnchor = m_selectionCached.start(); m_selectAnchor.setColumn(0); } else if (newCursor.line() < m_selectionCached.start().line()) { newCursor.setColumn(0); // Grow to include entire line m_selectAnchor = m_selectionCached.end(); if (m_selectAnchor.column() > 0) { if (m_selectAnchor.line() + 1 >= doc()->lines()) { m_selectAnchor.setColumn(doc()->line(newCursor.line()).length()); } else { m_selectAnchor.setPosition(m_selectAnchor.line() + 1, 0); } } } else { // same line, ignore doSelect = false; } break; case Mouse: { if (!m_selectionCached.isValid()) { break; } if (newCursor > m_selectionCached.end()) { m_selectAnchor = m_selectionCached.start(); } else if (newCursor < m_selectionCached.start()) { m_selectAnchor = m_selectionCached.end(); } else { doSelect = false; } } break; default:; } if (doSelect) { setSelection(KTextEditor::Range(m_selectAnchor, newCursor)); } else if (m_selectionCached.isValid()) { // we have a cached selection, so we restore that setSelection(m_selectionCached); } } m_selChangedByUser = true; } else if (!m_view->config()->persistentSelection()) { m_view->clearSelection(); m_selectionCached = KTextEditor::Range::invalid(); m_selectAnchor = KTextEditor::Cursor::invalid(); } **/ #ifndef QT_NO_ACCESSIBILITY // FIXME KF5 // QAccessibleTextSelectionEvent ev(this, /* selection start, selection end*/); // QAccessible::updateAccessibility(&ev); #endif } void KateViewInternal::setSelection(const KTextEditor::Range &range) { m_view->setSelection(range); } void KateViewInternal::moveCursorToSelectionEdge() { if (!m_view->selection()) { return; } int tmp = m_minLinesVisible; m_minLinesVisible = 0; if (m_view->selectionRange().start() < m_selectAnchor) { - cursors()->setPrimaryCursor(m_view->selectionRange().start()); + cursors()->setPrimaryCursorWithoutSelection(m_view->selectionRange().start()); } else { - cursors()->setPrimaryCursor(m_view->selectionRange().end()); + cursors()->setPrimaryCursorWithoutSelection(m_view->selectionRange().end()); } m_minLinesVisible = tmp; } void KateViewInternal::updateCursorFlashTimer() { if (m_cursorTimer.isActive()) { if (QApplication::cursorFlashTime() > 0) { m_cursorTimer.start(QApplication::cursorFlashTime() / 2); } renderer()->setDrawCaret(true); } } void KateViewInternal::notifyPrimaryCursorChanged(const KTextEditor::Cursor &newCursor, bool force, bool center, bool calledExternally) { if (!force && (m_lastUpdatedPrimary == newCursor)) { m_displayCursor = toVirtualCursor(newCursor); if (!m_madeVisible && m_view == doc()->activeView()) { // unfold if required m_view->textFolding().ensureLineIsVisible(newCursor.line()); makeVisible(m_displayCursor, m_displayCursor.column(), false, center, calledExternally); } return; } if (m_lastUpdatedPrimary.line() != newCursor.line()) { m_leftBorder->updateForCursorLineChange(); } // unfold if required m_view->textFolding().ensureLineIsVisible(newCursor.line()); m_displayCursor = toVirtualCursor(newCursor); Q_ASSERT(m_displayCursor.isValid()); m_lastUpdatedPrimary = newCursor; if (m_view == doc()->activeView()) { makeVisible(m_displayCursor, m_displayCursor.column(), false, center, calledExternally); } updateBracketMarks(); updateMicroFocus(); updateCursorFlashTimer(); cursorMoved(); emit m_view->cursorPositionChanged(m_view, primaryCursor()); } void KateViewInternal::updateBracketMarkAttributes() { KTextEditor::Attribute::Ptr bracketFill = KTextEditor::Attribute::Ptr(new KTextEditor::Attribute()); bracketFill->setBackground(m_view->m_renderer->config()->highlightedBracketColor()); bracketFill->setBackgroundFillWhitespace(false); if (QFontInfo(renderer()->currentFont()).fixedPitch()) { // make font bold only for fixed fonts, otherwise text jumps around bracketFill->setFontBold(); } m_bmStart->setAttribute(bracketFill); m_bmEnd->setAttribute(bracketFill); if (m_view->m_renderer->config()->showWholeBracketExpression()) { KTextEditor::Attribute::Ptr expressionFill = KTextEditor::Attribute::Ptr(new KTextEditor::Attribute()); expressionFill->setBackground(m_view->m_renderer->config()->highlightedBracketColor()); expressionFill->setBackgroundFillWhitespace(false); m_bm->setAttribute(expressionFill); } else { m_bm->setAttribute(KTextEditor::Attribute::Ptr(new KTextEditor::Attribute())); } } void KateViewInternal::updateBracketMarks() { // add some limit to this, this is really endless on big files without limit const int maxLines = 5000; const KTextEditor::Range newRange = doc()->findMatchingBracket(primaryCursor(), maxLines); // new range valid, then set ranges to it if (newRange.isValid()) { if (m_bm->toRange() == newRange) { return; } // modify full range m_bm->setRange(newRange); // modify start and end ranges m_bmStart->setRange(KTextEditor::Range(m_bm->start(), KTextEditor::Cursor(m_bm->start().line(), m_bm->start().column() + 1))); m_bmEnd->setRange(KTextEditor::Range(m_bm->end(), KTextEditor::Cursor(m_bm->end().line(), m_bm->end().column() + 1))); // flash matching bracket if (!renderer()->config()->animateBracketMatching()) { return; } const KTextEditor::Cursor flashPos = (primaryCursor() == m_bmStart->start() || primaryCursor() == m_bmStart->end()) ? m_bmEnd->start() : m_bm->start(); if (flashPos != m_bmLastFlashPos->toCursor()) { m_bmLastFlashPos->setPosition(flashPos); KTextEditor::Attribute::Ptr attribute = doc()->attributeAt(flashPos); attribute->setBackground(m_view->m_renderer->config()->highlightedBracketColor()); attribute->setFontBold(m_bmStart->attribute()->fontBold()); flashChar(flashPos, attribute); } return; } // new range was invalid m_bm->setRange(KTextEditor::Range::invalid()); m_bmStart->setRange(KTextEditor::Range::invalid()); m_bmEnd->setRange(KTextEditor::Range::invalid()); m_bmLastFlashPos->setPosition(KTextEditor::Cursor::invalid()); } bool KateViewInternal::tagLine(const KTextEditor::Cursor &virtualCursor) { // FIXME may be a more efficient way for this if ((int)m_view->textFolding().visibleLineToLine(virtualCursor.line()) > doc()->lastLine()) { return false; } // End FIXME int viewLine = cache()->displayViewLine(virtualCursor, true); if (viewLine >= 0 && viewLine < cache()->viewCacheLineCount()) { cache()->viewLine(viewLine).setDirty(); // tag one line more because of overlapping things like _, bug 335079 if (viewLine+1 < cache()->viewCacheLineCount()) { cache()->viewLine(viewLine+1).setDirty(); } m_leftBorder->update(0, lineToY(viewLine), m_leftBorder->width(), renderer()->lineHeight()); return true; } return false; } bool KateViewInternal::tagLines(int start, int end, bool realLines) { return tagLines(KTextEditor::Cursor(start, 0), KTextEditor::Cursor(end, -1), realLines); } bool KateViewInternal::tagLines(KTextEditor::Cursor start, KTextEditor::Cursor end, bool realCursors) { if (realCursors) { cache()->relayoutLines(start.line(), end.line()); //qCDebug(LOG_KTE)<<"realLines is true"; start = toVirtualCursor(start); end = toVirtualCursor(end); } else { cache()->relayoutLines(toRealCursor(start).line(), toRealCursor(end).line()); } if (end.line() < startLine()) { //qCDebug(LOG_KTE)<<"end endLine(), but cache may not be valid when checking, so use a // less optimal but still adequate approximation (potential overestimation but minimal performance difference) if (start.line() > startLine() + cache()->viewCacheLineCount()) { //qCDebug(LOG_KTE)<<"start> endLine"<updateViewCache(startPos()); //qCDebug(LOG_KTE) << "tagLines( [" << start << "], [" << end << "] )"; bool ret = false; for (int z = 0; z < cache()->viewCacheLineCount(); z++) { KateTextLayout &line = cache()->viewLine(z); if ((line.virtualLine() > start.line() || (line.virtualLine() == start.line() && line.endCol() >= start.column() && start.column() != -1)) && (line.virtualLine() < end.line() || (line.virtualLine() == end.line() && (line.startCol() <= end.column() || end.column() == -1)))) { ret = true; break; //qCDebug(LOG_KTE) << "Tagged line " << line.line(); } } if (!m_view->dynWordWrap()) { int y = lineToY(start.line()); // FIXME is this enough for when multiple lines are deleted int h = (end.line() - start.line() + 2) * renderer()->lineHeight(); if (end.line() >= m_view->textFolding().visibleLines() - 1) { h = height(); } m_leftBorder->update(0, y, m_leftBorder->width(), h); } else { // FIXME Do we get enough good info in editRemoveText to optimize this more? //bool justTagged = false; for (int z = 0; z < cache()->viewCacheLineCount(); z++) { KateTextLayout &line = cache()->viewLine(z); if (!line.isValid() || ((line.virtualLine() > start.line() || (line.virtualLine() == start.line() && line.endCol() >= start.column() && start.column() != -1)) && (line.virtualLine() < end.line() || (line.virtualLine() == end.line() && (line.startCol() <= end.column() || end.column() == -1))))) { //justTagged = true; m_leftBorder->update(0, z * renderer()->lineHeight(), m_leftBorder->width(), m_leftBorder->height()); break; } /*else if (justTagged) { justTagged = false; leftBorder->update (0, z * doc()->viewFont.fontHeight, leftBorder->width(), doc()->viewFont.fontHeight); break; }*/ } } return ret; } bool KateViewInternal::tagRange(const KTextEditor::Range &range, bool realCursors) { return tagLines(range.start(), range.end(), realCursors); } void KateViewInternal::tagAll() { // clear the cache... cache()->clear(); m_leftBorder->updateFont(); m_leftBorder->update(); } void KateViewInternal::paintCursor() { Q_FOREACH ( const auto& secondary, view()->cursors()->cursors() ) { if (tagLine(secondary)) { updateDirty(); } } } KTextEditor::Cursor KateViewInternal::pointToCursor(const QPoint& p) const { KateTextLayout thisLine = yToKateTextLayout(p.y()); KTextEditor::Cursor c; if (!thisLine.isValid()) { // probably user clicked below the last line -> use the last line thisLine = cache()->textLayout(doc()->lines() - 1, -1); } c = renderer()->xToCursor(thisLine, startX() + p.x(), !m_view->wrapCursor()); if (c.line() < 0 || c.line() >= doc()->lines()) { return {}; } return c; } // Point in content coordinates void KateViewInternal::placeCursor(const QPoint &p, bool keepSelection, bool updateSelection) { auto c = pointToCursor(p); if ( ! c.isValid() ) { return; } int tmp = m_minLinesVisible; m_minLinesVisible = 0; if ( keepSelection ) { cursors()->setPrimaryCursorWithoutSelection(c); } else { cursors()->setPrimaryCursor(c); } m_minLinesVisible = tmp; if (updateSelection && keepSelection) { moveCursorToSelectionEdge(); } } // Point in content coordinates bool KateViewInternal::isTargetSelected(const QPoint &p) { const KateTextLayout &thisLine = yToKateTextLayout(p.y()); if (!thisLine.isValid()) { return false; } return m_view->cursorSelected(renderer()->xToCursor(thisLine, startX() + p.x(), !m_view->wrapCursor())); } //BEGIN EVENT HANDLING STUFF bool KateViewInternal::eventFilter(QObject *obj, QEvent *e) { switch (e->type()) { case QEvent::ChildAdded: case QEvent::ChildRemoved: { QChildEvent *c = static_cast(e); if (c->added()) { c->child()->installEventFilter(this); /*foreach (QWidget* child, c->child()->findChildren()) child->installEventFilter(this);*/ } else if (c->removed()) { c->child()->removeEventFilter(this); /*foreach (QWidget* child, c->child()->findChildren()) child->removeEventFilter(this);*/ } } break; case QEvent::ShortcutOverride: { QKeyEvent *k = static_cast(e); if (k->key() == Qt::Key_Escape && k->modifiers() == Qt::NoModifier) { if (m_view->isCompletionActive()) { m_view->abortCompletion(); k->accept(); //qCDebug(LOG_KTE) << obj << "shortcut override" << k->key() << "aborting completion"; return true; } else if (!m_view->bottomViewBar()->hiddenOrPermanent()) { m_view->bottomViewBar()->hideCurrentBarWidget(); k->accept(); //qCDebug(LOG_KTE) << obj << "shortcut override" << k->key() << "closing view bar"; return true; } else if (!m_view->config()->persistentSelection() && m_view->selection()) { m_currentInputMode->clearSelection(); k->accept(); //qCDebug(LOG_KTE) << obj << "shortcut override" << k->key() << "clearing selection"; return true; } else if (m_view->cursors()->hasSecondaryCursors()) { m_view->cursors()->clearSecondaryCursors(); k->accept(); return true; } } if (m_currentInputMode->stealKey(k)) { k->accept(); return true; } } break; case QEvent::KeyPress: { QKeyEvent *k = static_cast(e); // Override all other single key shortcuts which do not use a modifier other than Shift if (obj == this && (!k->modifiers() || k->modifiers() == Qt::ShiftModifier)) { keyPressEvent(k); if (k->isAccepted()) { //qCDebug(LOG_KTE) << obj << "shortcut override" << k->key() << "using keystroke"; return true; } } //qCDebug(LOG_KTE) << obj << "shortcut override" << k->key() << "ignoring"; } break; case QEvent::DragMove: { QPoint currentPoint = ((QDragMoveEvent *) e)->pos(); QRect doNotScrollRegion(s_scrollMargin, s_scrollMargin, width() - s_scrollMargin * 2, height() - s_scrollMargin * 2); if (!doNotScrollRegion.contains(currentPoint)) { startDragScroll(); // Keep sending move events ((QDragMoveEvent *)e)->accept(QRect(0, 0, 0, 0)); } dragMoveEvent((QDragMoveEvent *)e); } break; case QEvent::DragLeave: // happens only when pressing ESC while dragging stopDragScroll(); break; default: break; } return QWidget::eventFilter(obj, e); } void KateViewInternal::keyPressEvent(QKeyEvent *e) { if (e->key() == Qt::Key_Left && e->modifiers() == Qt::AltModifier) { m_view->emitNavigateLeft(); e->setAccepted(true); return; } if (e->key() == Qt::Key_Right && e->modifiers() == Qt::AltModifier) { m_view->emitNavigateRight(); e->setAccepted(true); return; } if (e->key() == Qt::Key_Up && e->modifiers() == Qt::AltModifier) { m_view->emitNavigateUp(); e->setAccepted(true); return; } if (e->key() == Qt::Key_Down && e->modifiers() == Qt::AltModifier) { m_view->emitNavigateDown(); e->setAccepted(true); return; } if (e->key() == Qt::Key_Return && e->modifiers() == Qt::AltModifier) { m_view->emitNavigateAccept(); e->setAccepted(true); return; } if (e->key() == Qt::Key_Backspace && e->modifiers() == Qt::AltModifier) { m_view->emitNavigateBack(); e->setAccepted(true); return; } if (e->key() == Qt::Key_Alt && m_view->completionWidget()->isCompletionActive()) { m_completionItemExpanded = m_view->completionWidget()->toggleExpanded(true); m_view->completionWidget()->resetHadNavigation(); m_altDownTime.start(); } // Note: AND'ing with is a quick hack to fix Key_Enter const int key = e->key() | (e->modifiers() & Qt::ShiftModifier); if (m_currentInputMode->keyPress(e)) { return; } if (!doc()->isReadWrite()) { e->ignore(); return; } if ((key == Qt::Key_Return) || (key == Qt::Key_Enter) || (key == Qt::SHIFT + Qt::Key_Return) || (key == Qt::SHIFT + Qt::Key_Enter)) { doReturn(); e->accept(); return; } if (key == Qt::Key_Backspace || key == Qt::SHIFT + Qt::Key_Backspace) { //m_view->backspace(); e->accept(); return; } if (key == Qt::Key_Tab || key == Qt::SHIFT + Qt::Key_Backtab || key == Qt::Key_Backtab) { if (m_view->completionWidget()->isCompletionActive()) { e->accept(); m_view->completionWidget()->tab(key != Qt::Key_Tab); return; } if (key == Qt::Key_Tab) { uint tabHandling = doc()->config()->tabHandling(); // convert tabSmart into tabInsertsTab or tabIndents: if (tabHandling == KateDocumentConfig::tabSmart) { // multiple lines selected if (m_view->selection() && !m_view->selectionRange().onSingleLine()) { tabHandling = KateDocumentConfig::tabIndents; } // otherwise: take look at cursor position else { // if the cursor is at or before the first non-space character // or on an empty line, // Tab indents, otherwise it inserts a tab character. Kate::TextLine line = doc()->kateTextLine(primaryCursor().line()); int first = line->firstChar(); if (first < 0 || primaryCursor().column() <= first) { tabHandling = KateDocumentConfig::tabIndents; } else { tabHandling = KateDocumentConfig::tabInsertsTab; } } } if (tabHandling == KateDocumentConfig::tabInsertsTab) { doc()->typeChars(m_view, QStringLiteral("\t")); } else { Q_FOREACH ( const auto& cursor, m_view->allCursors() ) { doc()->indent(m_view->selection() ? m_view->selectionRange() : KTextEditor::Range(cursor.line(), 0, cursor.line(), 0), 1); } } e->accept(); return; } else if (doc()->config()->tabHandling() != KateDocumentConfig::tabInsertsTab) { // key == Qt::SHIFT+Qt::Key_Backtab || key == Qt::Key_Backtab Q_FOREACH ( const auto& cursor, m_view->allCursors() ) { doc()->indent(m_view->selection() ? m_view->selectionRange() : KTextEditor::Range(cursor.line(), 0, cursor.line(), 0), -1); } e->accept(); return; } } if (!(e->modifiers() & Qt::ControlModifier) && !e->text().isEmpty() && doc()->typeChars(m_view, e->text())) { e->accept(); return; } // allow composition of AltGr + (q|2|3) on windows static const int altGR = Qt::ControlModifier | Qt::AltModifier; if ((e->modifiers() & altGR) == altGR && !e->text().isEmpty() && doc()->typeChars(m_view, e->text())) { e->accept(); return; } e->ignore(); } void KateViewInternal::keyReleaseEvent(QKeyEvent *e) { if (e->key() == Qt::Key_Alt && m_view->completionWidget()->isCompletionActive() && ((m_completionItemExpanded && (m_view->completionWidget()->hadNavigation() || m_altDownTime.elapsed() > 300)) || (!m_completionItemExpanded && !m_view->completionWidget()->hadNavigation()))) { m_view->completionWidget()->toggleExpanded(false, true); } if ((e->modifiers() & Qt::SHIFT) == Qt::SHIFT) { m_shiftKeyPressed = true; } else { if (m_shiftKeyPressed) { m_shiftKeyPressed = false; if (m_selChangedByUser) { if (m_view->selection()) { QApplication::clipboard()->setText(m_view->selectionText(), QClipboard::Selection); } m_selChangedByUser = false; } } } e->ignore(); return; } void KateViewInternal::contextMenuEvent(QContextMenuEvent *e) { // try to show popup menu QPoint p = e->pos(); if (e->reason() == QContextMenuEvent::Keyboard) { makeVisible(m_displayCursor, 0); p = cursorCoordinates(false); p.rx() -= startX(); } else if (! m_view->selection() || m_view->config()->persistentSelection()) { placeCursor(e->pos()); } // popup is a qguardedptr now if (m_view->contextMenu()) { m_view->spellingMenu()->setUseMouseForMisspelledRange((e->reason() == QContextMenuEvent::Mouse)); m_view->contextMenu()->popup(mapToGlobal(p)); e->accept(); } } void KateViewInternal::mousePressEvent(QMouseEvent *e) { qDebug() << "called"; if ( e->button() == Qt::LeftButton ) { // request the software keyboard, if any if (qApp->autoSipEnabled()) { QStyle::RequestSoftwareInputPanel behavior = QStyle::RequestSoftwareInputPanel(style()->styleHint(QStyle::SH_RequestSoftwareInputPanel)); if (hasFocus() || behavior == QStyle::RSIP_OnMouseClick) { QEvent event(QEvent::RequestSoftwareInputPanel); QApplication::sendEvent(this, &event); } } // handle cursor placement and selection auto newCursor = pointToCursor(e->pos()); if (e->modifiers() & Qt::ShiftModifier) { auto flags = (KateMultiSelection::SelectionFlags) (KateMultiSelection::UsePrimaryCursor | KateMultiSelection::KeepSelectionRange); selections()->beginNewSelection(newCursor, KateMultiSelection::Character, flags); cursors()->setPrimaryCursorWithoutSelection(newCursor); Q_EMIT m_view->selectionChanged(m_view); } else { KateMultiSelection::SelectionMode selectionMode = KateMultiSelection::Character; KateMultiSelection::SelectionFlags flags = KateMultiSelection::UsePrimaryCursor; if ( m_possibleTripleClick ) { selectionMode = KateMultiSelection::Line; } if ( !m_possibleTripleClick && isTargetSelected(e->pos())) { m_dragInfo.state = diPending; m_dragInfo.start = e->pos(); } else { if ( e->modifiers() == (Qt::ControlModifier | Qt::MetaModifier) ) { flags = KateMultiSelection::AddNewCursor; } else { view()->cursors()->clearSecondaryCursors(); } selections()->beginNewSelection(newCursor, selectionMode, flags); Q_EMIT m_view->selectionChanged(m_view); } m_possibleTripleClick = false; } updateCursorFlashTimer(); e->accept(); } else { e->ignore(); } } void KateViewInternal::mouseDoubleClickEvent(QMouseEvent *e) { auto secondary = (e->modifiers() == (Qt::MetaModifier | Qt::ControlModifier)); auto newCursor = pointToCursor(e->pos()); switch (e->button()) { case Qt::LeftButton: selections()->beginNewSelection(newCursor, KateMultiSelection::Word, secondary ? KateMultiSelection::AddNewCursor : KateMultiSelection::UsePrimaryCursor); Q_EMIT m_view->selectionChanged(m_view); #warning fixme: this weird "shift double click" feature #warning fixme: select to matching bracket on dclick #if 0 if (e->modifiers() & Qt::ShiftModifier) { // Now select the word under the select anchor int cs, ce; Kate::TextLine l = doc()->kateTextLine(m_selectAnchor.line()); ce = m_selectAnchor.column(); if (ce > 0 && doc()->highlight()->isInWord(l->at(ce))) { for (; ce < l->length(); ce++) if (!doc()->highlight()->isInWord(l->at(ce))) { break; } } cs = m_selectAnchor.column() - 1; if (cs < doc()->lineLength(m_selectAnchor.line()) && doc()->highlight()->isInWord(l->at(cs))) { for (cs--; cs >= 0; cs--) if (!doc()->highlight()->isInWord(l->at(cs))) { break; } } // ...and keep it selected if (cs + 1 < ce) { m_selectionCached.setStart(KTextEditor::Cursor(m_selectAnchor.line(), cs + 1)); m_selectionCached.setEnd(KTextEditor::Cursor(m_selectAnchor.line(), ce)); } else { m_selectionCached.setStart(m_selectAnchor); m_selectionCached.setEnd(m_selectAnchor); } // Now word select to the mouse cursor placeCursor(e->pos(), true); } else { // first clear the selection, otherwise we run into bug #106402 // ...and set the cursor position, for the same reason (otherwise there // are *other* idiosyncrasies we can't fix without reintroducing said // bug) // Parameters: don't redraw, and don't emit selectionChanged signal yet m_view->clearSelection(false, false); placeCursor(e->pos()); m_view->selectWord(primaryCursor()); cursorToMatchingBracket(true); if (m_view->selection()) { m_selectAnchor = m_view->selectionRange().start(); m_selectionCached = m_view->selectionRange(); } else { m_selectAnchor = primaryCursor(); m_selectionCached = KTextEditor::Range(primaryCursor(), primaryCursor()); } } #endif if (m_view->selection()) { #if !defined(Q_OS_OSX) QApplication::clipboard()->setText(m_view->selectionText(), QClipboard::Selection); #endif } m_possibleTripleClick = true; QTimer::singleShot(QApplication::doubleClickInterval(), this, SLOT(tripleClickTimeout())); m_scrollX = 0; m_scrollY = 0; m_scrollTimer.start(50); e->accept(); break; default: e->ignore(); break; } } void KateViewInternal::tripleClickTimeout() { m_possibleTripleClick = false; } void KateViewInternal::mouseReleaseEvent(QMouseEvent *e) { switch (e->button()) { case Qt::LeftButton: if ( selections()->currentlySelecting() ) { selections()->finishNewSelection(); Q_EMIT m_view->selectionChanged(m_view); updateCursorFlashTimer(); } if (m_selChangedByUser) { if (m_view->selection()) { QApplication::clipboard()->setText(m_view->selectionText(), QClipboard::Selection); } m_selChangedByUser = false; } if (m_dragInfo.state == diPending) { placeCursor(e->pos(), e->modifiers() & Qt::ShiftModifier); Q_EMIT m_view->selectionChanged(m_view); } else if (m_dragInfo.state == diNone) { m_scrollTimer.stop(); } m_dragInfo.state = diNone; e->accept(); break; case Qt::MidButton: placeCursor(e->pos()); if (doc()->isReadWrite()) { view()->m_clipboard.pasteFromClipboard(QClipboard::Selection); } e->accept(); break; default: e->ignore(); break; } } void KateViewInternal::leaveEvent(QEvent *) { m_textHintTimer.stop(); // fix bug 194452, scrolling keeps going if you scroll via mouse drag and press and other mouse // button outside the view area if (m_dragInfo.state == diNone) { m_scrollTimer.stop(); } } KTextEditor::Cursor KateViewInternal::coordinatesToCursor(const QPoint &_coord, bool includeBorder) const { QPoint coord(_coord); KTextEditor::Cursor ret = KTextEditor::Cursor::invalid(); if (includeBorder) { coord.rx() -= m_leftBorder->width(); } coord.rx() += startX(); const KateTextLayout &thisLine = yToKateTextLayout(coord.y()); if (thisLine.isValid()) { ret = renderer()->xToCursor(thisLine, coord.x(), !m_view->wrapCursor()); } if (ret.column() > view()->document()->lineLength(ret.line())) { // The cursor is beyond the end of the line; in that case the renderer // gives the index of the character behind the last one. return KTextEditor::Cursor::invalid(); } return ret; } void KateViewInternal::mouseMoveEvent(QMouseEvent *e) { KTextEditor::Cursor newPosition = coordinatesToCursor(e->pos(), false); if (newPosition != m_mouse) { m_mouse = newPosition; mouseMoved(); } if (e->buttons() & Qt::LeftButton) { if (m_dragInfo.state == diPending) { // we had a mouse down, but haven't confirmed a drag yet // if the mouse has moved sufficiently, we will confirm QPoint p(e->pos() - m_dragInfo.start); // we've left the drag square, we can start a real drag operation now if (p.manhattanLength() > QApplication::startDragDistance()) { doDrag(); } return; } else if (m_dragInfo.state == diDragging) { // Don't do anything after a canceled drag until the user lets go of // the mouse button! return; } m_mouseX = e->x(); m_mouseY = e->y(); m_scrollX = 0; m_scrollY = 0; int d = renderer()->lineHeight(); if (m_mouseX < 0) { m_scrollX = -d; } if (m_mouseX > width()) { m_scrollX = d; } if (m_mouseY < 0) { m_mouseY = 0; m_scrollY = -d; } if (m_mouseY > height()) { m_mouseY = height(); m_scrollY = d; } auto c = pointToCursor(QPoint(m_mouseX, m_mouseY)); selections()->updateNewSelection(c); updateCursorFlashTimer(); } else { if (isTargetSelected(e->pos())) { // mouse is over selected text. indicate that the text is draggable by setting // the arrow cursor as other Qt text editing widgets do if (m_mouseCursor != Qt::ArrowCursor) { m_mouseCursor = Qt::ArrowCursor; setCursor(m_mouseCursor); } } else { // normal text cursor if (m_mouseCursor != Qt::IBeamCursor) { m_mouseCursor = Qt::IBeamCursor; setCursor(m_mouseCursor); } } //We need to check whether the mouse position is actually within the widget, //because other widgets like the icon border forward their events to this, //and we will create invalid text hint requests if we don't check if (textHintsEnabled() && geometry().contains(parentWidget()->mapFromGlobal(e->globalPos()))) { if (QToolTip::isVisible()) { QToolTip::hideText(); } m_textHintTimer.start(m_textHintDelay); m_textHintPos = e->pos(); } } } void KateViewInternal::updateDirty() { const int h = renderer()->lineHeight(); int currentRectStart = -1; int currentRectEnd = -1; QRegion updateRegion; { for (int i = 0; i < cache()->viewCacheLineCount(); ++i) { if (cache()->viewLine(i).isDirty()) { if (currentRectStart == -1) { currentRectStart = h * i; currentRectEnd = h; } else { currentRectEnd += h; } } else if (currentRectStart != -1) { updateRegion += QRect(0, currentRectStart, width(), currentRectEnd); currentRectStart = -1; currentRectEnd = -1; } } } if (currentRectStart != -1) { updateRegion += QRect(0, currentRectStart, width(), currentRectEnd); } if (!updateRegion.isEmpty()) { if (debugPainting) { qCDebug(LOG_KTE) << "Update dirty region " << updateRegion; } update(updateRegion); } } void KateViewInternal::hideEvent(QHideEvent *e) { Q_UNUSED(e); if (m_view->isCompletionActive()) { m_view->completionWidget()->abortCompletion(); } } void KateViewInternal::paintEvent(QPaintEvent *e) { if (debugPainting) { qCDebug(LOG_KTE) << "GOT PAINT EVENT: Region" << e->region(); } const QRect &unionRect = e->rect(); int xStart = startX() + unionRect.x(); int xEnd = xStart + unionRect.width(); uint h = renderer()->lineHeight(); uint startz = (unionRect.y() / h); uint endz = startz + 1 + (unionRect.height() / h); uint lineRangesSize = cache()->viewCacheLineCount(); QPainter paint(this); paint.setRenderHints(QPainter::Antialiasing); paint.save(); renderer()->setCaretStyle(m_currentInputMode->caretStyle()); renderer()->setShowTabs(doc()->config()->showTabs()); renderer()->setShowTrailingSpaces(doc()->config()->showSpaces()); renderer()->updateMarkerSize(); int sy = startz * h; paint.translate(unionRect.x(), startz * h); for (uint z = startz; z <= endz; z++) { paint.save(); if ((z >= lineRangesSize) || (cache()->viewLine(z).line() == -1)) { if (!(z >= lineRangesSize)) { cache()->viewLine(z).setDirty(false); } paint.fillRect(0, 0, unionRect.width(), h, renderer()->config()->backgroundColor()); } else { //qCDebug(LOG_KTE)<<"KateViewInternal::paintEvent(QPaintEvent *e):cache()->viewLine"<viewLine(z); /* If viewLine() returns non-zero, then a document line was split in several visual lines, and we're trying to paint visual line that is not the first. In that case, this line was already painted previously, since KateRenderer::paintTextLine paints all visual lines. Except if we're at the start of the region that needs to be painted -- when no previous calls to paintTextLine were made. */ if (!thisLine.viewLine() || z == startz) { //qDebug() << "paint text: line: " << thisLine.line() << " viewLine " << thisLine.viewLine() << " x: " << unionRect.x() << " y: " << unionRect.y() << " width: " << xEnd-xStart << " height: " << h << endl; KTextEditor::Cursor pos = primaryCursor(); // first: paint our line paint.translate(QPoint(0, h * - thisLine.viewLine())); paint.setClipRect(QRect(0, 0, unionRect.width(), h * thisLine.kateLineLayout()->viewLineCount())); renderer()->paintTextLine(paint, thisLine.kateLineLayout(), xStart, xEnd, &pos); paint.translate(0, h * thisLine.viewLine()); // second: paint previous line elements, that span into our line like _, bug 335079 if (z > 0) { KateTextLayout &previousLine = cache()->viewLine(z-1); paint.translate(QPoint(0, h * - (previousLine.viewLine() + 1))); renderer()->paintTextLine(paint, previousLine.kateLineLayout(), xStart, xEnd, &pos); paint.translate(0, h * (previousLine.viewLine() + 1)); } /** * line painted, reset and state + mark line as non-dirty */ thisLine.setDirty(false); } } paint.restore(); paint.translate(0, h); sy += h; } paint.restore(); if (m_textAnimation) { m_textAnimation->draw(paint); } } void KateViewInternal::resizeEvent(QResizeEvent *e) { bool expandedHorizontally = width() > e->oldSize().width(); bool expandedVertically = height() > e->oldSize().height(); bool heightChanged = height() != e->oldSize().height(); m_dummy->setFixedSize(m_lineScroll->width(), m_columnScroll->sizeHint().height()); m_madeVisible = false; if (heightChanged) { setAutoCenterLines(m_autoCenterLines, false); m_cachedMaxStartPos.setPosition(-1, -1); } if (m_view->dynWordWrap()) { bool dirtied = false; for (int i = 0; i < cache()->viewCacheLineCount(); i++) { // find the first dirty line // the word wrap updateView algorithm is forced to check all lines after a dirty one KateTextLayout viewLine = cache()->viewLine(i); if (viewLine.wrap() || viewLine.isRightToLeft() || viewLine.width() > width()) { dirtied = true; viewLine.setDirty(); break; } } if (dirtied || heightChanged) { updateView(true); m_leftBorder->update(); } } else { updateView(); if (expandedHorizontally && startX() > 0) { scrollColumns(startX() - (width() - e->oldSize().width())); } } if (width() < e->oldSize().width() && !m_view->wrapCursor()) { // May have to restrain cursor to new smaller width... if (primaryCursor().column() > doc()->lineLength(primaryCursor().line())) { KateTextLayout thisLine = m_layoutCache->viewLine(primaryCursor().line()); KTextEditor::Cursor newCursor(primaryCursor().line(), thisLine.endCol() + ((width() - thisLine.xOffset() - (thisLine.width() - m_startX)) / renderer()->spaceWidth()) - 1); if (newCursor.column() < primaryCursor().column()) { cursors()->setPrimaryCursor(newCursor); } } } if (expandedVertically) { KTextEditor::Cursor max = maxStartPos(); if (startPos() > max) { scrollPos(max); return; // already fired displayRangeChanged } } emit m_view->displayRangeChanged(m_view); } void KateViewInternal::scrollTimeout() { if (m_scrollX || m_scrollY) { scrollLines(startPos().line() + (m_scrollY / (int) renderer()->lineHeight())); placeCursor(QPoint(m_mouseX, m_mouseY), true); } } void KateViewInternal::cursorTimeout() { if (!debugPainting && m_currentInputMode->blinkCaret()) { renderer()->setDrawCaret(!renderer()->drawCaret()); paintCursor(); } } void KateViewInternal::textHintTimeout() { m_textHintTimer.stop(); KTextEditor::Cursor c = coordinatesToCursor(m_textHintPos, false); if (!c.isValid()) { return; } QStringList textHints; foreach(KTextEditor::TextHintProvider * const p, m_textHintProviders) { const QString hint = p->textHint(m_view, c); if (!hint.isEmpty()) { textHints.append(hint); } } if (!textHints.isEmpty()) { qCDebug(LOG_KTE) << "Hint text: " << textHints; QString hint; foreach(const QString & str, textHints) { hint += QStringLiteral("

%1

").arg(str); } QPoint pos(startX() + m_textHintPos.x(), m_textHintPos.y()); QToolTip::showText(mapToGlobal(pos), hint); } } void KateViewInternal::focusInEvent(QFocusEvent *) { if (QApplication::cursorFlashTime() > 0) { m_cursorTimer.start(QApplication::cursorFlashTime() / 2); } paintCursor(); doc()->setActiveView(m_view); // this will handle focus stuff in kateview m_view->slotGotFocus(); } void KateViewInternal::focusOutEvent(QFocusEvent *) { //if (m_view->isCompletionActive()) //m_view->abortCompletion(); m_cursorTimer.stop(); m_view->renderer()->setDrawCaret(true); paintCursor(); m_textHintTimer.stop(); m_view->slotLostFocus(); } void KateViewInternal::doDrag() { m_dragInfo.state = diDragging; m_dragInfo.dragObject = new QDrag(this); QMimeData *mimeData = new QMimeData(); mimeData->setText(m_view->selectionText()); m_dragInfo.dragObject->setMimeData(mimeData); m_dragInfo.dragObject->start(Qt::MoveAction); } void KateViewInternal::dragEnterEvent(QDragEnterEvent *event) { if (event->source() == this) { event->setDropAction(Qt::MoveAction); } event->setAccepted((event->mimeData()->hasText() && doc()->isReadWrite()) || event->mimeData()->hasUrls()); } void KateViewInternal::fixDropEvent(QDropEvent *event) { if (event->source() != this) { event->setDropAction(Qt::CopyAction); } else { Qt::DropAction action = Qt::MoveAction; #ifdef Q_WS_MAC if (event->keyboardModifiers() & Qt::AltModifier) { action = Qt::CopyAction; } #else if (event->keyboardModifiers() & Qt::ControlModifier) { action = Qt::CopyAction; } #endif event->setDropAction(action); } } void KateViewInternal::dragMoveEvent(QDragMoveEvent *event) { // track the cursor to the current drop location placeCursor(event->pos(), true, false); qDebug() << "update drag:" << m_view->cursors()->cursors() << m_view->selections()->selections(); // important: accept action to switch between copy and move mode // without this, the text will always be copied. fixDropEvent(event); } void KateViewInternal::dropEvent(QDropEvent *event) { /** * if we have urls, pass this event off to the hosting application */ if (event->mimeData()->hasUrls()) { emit dropEventPass(event); return; } if (event->mimeData()->hasText() && doc()->isReadWrite()) { const QString text = event->mimeData()->text(); // is the source our own document? bool priv = false; if (KateViewInternal *vi = qobject_cast(event->source())) { priv = doc()->ownedView(vi->m_view); } // dropped on a text selection area? qDebug() << "have selections:" << m_view->selections()->selections(); bool selected = m_view->cursorSelected(primaryCursor()); fixDropEvent(event); if (priv && selected && event->dropAction() != Qt::CopyAction) { // this is a drag that we started and dropped on our selection // ignore this case return; } // fix the cursor position before editStart(), so that it is correctly // stored for the undo action KTextEditor::Cursor targetCursor(primaryCursor()); // backup current cursor int selectionWidth = m_view->selectionRange().columnWidth(); // for block selection int selectionHeight = m_view->selectionRange().numberOfLines(); // for block selection if (event->dropAction() == Qt::CopyAction) { m_view->clearSelection(); } // use one transaction doc()->editStart(); // on move: remove selected text; on copy: duplicate text qDebug() << "insert text:" << text << text.length() << "at" << targetCursor; doc()->insertText(targetCursor, text, m_view->blockSelection()); KTextEditor::DocumentCursor startCursor(doc(), targetCursor); if (event->dropAction() != Qt::CopyAction) { m_view->removeSelectedText(); auto selectionStartsAhead = m_view->primarySelection().start() < targetCursor; if ( selectionStartsAhead ) { startCursor.move(-text.length()); } } auto endCursor = startCursor; endCursor.move(text.length()); qDebug() << "end and taget cursor:" << endCursor << targetCursor; setSelection({startCursor, endCursor}); editSetCursor(endCursor); doc()->editEnd(); event->acceptProposedAction(); updateView(); } // finally finish drag and drop mode m_dragInfo.state = diNone; // important, because the eventFilter`s DragLeave does not occur stopDragScroll(); } //END EVENT HANDLING STUFF void KateViewInternal::clear() { m_startPos.setPosition(0, 0); m_displayCursor = KTextEditor::Cursor(0, 0); primaryCursor().setPosition(0, 0); cache()->clear(); updateView(true); } void KateViewInternal::wheelEvent(QWheelEvent *e) { // check if this event should change the font size (Ctrl pressed, angle reported and not accidentally so) // Note: if detectZoomingEvent() doesn't unset the ControlModifier we'll get accelerated scrolling. if (m_zoomEventFilter->detectZoomingEvent(e)) { if (e->angleDelta().y() > 0) { slotIncFontSizes(qreal(e->angleDelta().y()) / QWheelEvent::DefaultDeltasPerStep); } else if (e->angleDelta().y() < 0) { slotDecFontSizes(qreal(-e->angleDelta().y()) / QWheelEvent::DefaultDeltasPerStep); } // accept always and be done for zooming e->accept(); return; } // handle vertical scrolling via the scrollbar if (e->orientation() == Qt::Vertical) { QWheelEvent copy = *e; QApplication::sendEvent(m_lineScroll, ©); if (copy.isAccepted()) { e->accept(); } } // handle horizontal scrolling via the scrollbar if (e->orientation() == Qt::Horizontal) { // if we have dyn word wrap, we should ignore the scroll events if (m_view->dynWordWrap()) { e->accept(); return; } QWheelEvent copy = *e; QApplication::sendEvent(m_columnScroll, ©); if (copy.isAccepted()) { e->accept(); } } } void KateViewInternal::startDragScroll() { if (!m_dragScrollTimer.isActive()) { m_dragScrollTimer.start(s_scrollTime); } } void KateViewInternal::stopDragScroll() { m_dragScrollTimer.stop(); updateView(); } void KateViewInternal::doDragScroll() { QPoint p = this->mapFromGlobal(QCursor::pos()); int dx = 0, dy = 0; if (p.y() < s_scrollMargin) { dy = p.y() - s_scrollMargin; } else if (p.y() > height() - s_scrollMargin) { dy = s_scrollMargin - (height() - p.y()); } if (p.x() < s_scrollMargin) { dx = p.x() - s_scrollMargin; } else if (p.x() > width() - s_scrollMargin) { dx = s_scrollMargin - (width() - p.x()); } dy /= 4; if (dy) { scrollLines(startPos().line() + dy); } if (columnScrollingPossible() && dx) { scrollColumns(qMin(m_startX + dx, m_columnScroll->maximum())); } if (!dy && !dx) { stopDragScroll(); } } void KateViewInternal::registerTextHintProvider(KTextEditor::TextHintProvider *provider) { if (! m_textHintProviders.contains(provider)) { m_textHintProviders.append(provider); } // we have a client, so start timeout m_textHintTimer.start(m_textHintDelay); } void KateViewInternal::unregisterTextHintProvider(KTextEditor::TextHintProvider *provider) { const int index = m_textHintProviders.indexOf(provider); if (index >= 0) { m_textHintProviders.removeAt(index); } if (m_textHintProviders.isEmpty()) { m_textHintTimer.stop(); } } void KateViewInternal::setTextHintDelay(int delay) { if (delay <= 0) { m_textHintDelay = 200; // ms } else { m_textHintDelay = delay; // ms } } int KateViewInternal::textHintDelay() const { return m_textHintDelay; } bool KateViewInternal::textHintsEnabled() { return ! m_textHintProviders.isEmpty(); } //BEGIN EDIT STUFF void KateViewInternal::editStart() { editSessionNumber++; if (editSessionNumber > 1) { return; } editIsRunning = true; editOldCursor = primaryCursor(); editOldSelection = m_view->selectionRange(); } void KateViewInternal::editEnd(int editTagLineStart, int editTagLineEnd, bool tagFrom) { if (editSessionNumber == 0) { return; } editSessionNumber--; if (editSessionNumber > 0) { return; } // fix start position, might have moved from column 0 // try to clever calculate the right start column for the tricky dyn word wrap case int col = 0; if (m_view->dynWordWrap()) { if (KateLineLayoutPtr layout = cache()->line(m_startPos.line())) { int index = layout->viewLineForColumn(m_startPos.column()); if (index >= 0 && index < layout->viewLineCount()) { col = layout->viewLine(index).startCol(); } } } m_startPos.setPosition(m_startPos.line(), col); if (tagFrom && (editTagLineStart <= int(m_view->textFolding().visibleLineToLine(startLine())))) { tagAll(); } else { tagLines(editTagLineStart, tagFrom ? qMax(doc()->lastLine() + 1, editTagLineEnd) : editTagLineEnd, true); } if (editOldCursor == primaryCursor()) { updateBracketMarks(); } updateView(true); if (editOldCursor != primaryCursor() || m_view == doc()->activeView()) { // Only scroll the view to the cursor if the insertion happens at the cursor. // This might not be the case for e.g. collaborative editing, when a remote user // inserts text at a position not at the caret. if (primaryCursor().line() >= editTagLineStart && primaryCursor().line() <= editTagLineEnd) { m_madeVisible = false; notifyPrimaryCursorChanged(primaryCursor(), true); } } /** * selection changed? * fixes bug 316226 */ if (editOldSelection != m_view->selectionRange() || (editOldSelection.isValid() && !editOldSelection.isEmpty() && !(editTagLineStart > editOldSelection.end().line() && editTagLineEnd < editOldSelection.start().line()))) { emit m_view->selectionChanged(m_view); } editIsRunning = false; } void KateViewInternal::editSetCursor(const KTextEditor::Cursor &_cursor) { if (primaryCursor() != _cursor) { cursors()->setPrimaryCursor(_cursor, false); } } //END KateLayoutCache *KateViewInternal::cache() const { return m_layoutCache; } void KateViewInternal::notifyLinesUpdated(const QVector& changed) { Q_FOREACH ( const auto& cursor, changed ) { tagLine(toVirtualCursor(cursor)); } updateCursorFlashTimer(); updateDirty(); } KTextEditor::Cursor KateViewInternal::toRealCursor(const KTextEditor::Cursor &virtualCursor) const { return KTextEditor::Cursor(m_view->textFolding().visibleLineToLine(virtualCursor.line()), virtualCursor.column()); } KTextEditor::Cursor KateViewInternal::toVirtualCursor(const KTextEditor::Cursor &realCursor) const { /** * only convert valid lines, folding doesn't like invalid input! * don't validate whole cursor, column might be -1 */ if (realCursor.line() < 0) { return KTextEditor::Cursor::invalid(); } return KTextEditor::Cursor(m_view->textFolding().lineToVisibleLine(realCursor.line()), realCursor.column()); } KateRenderer *KateViewInternal::renderer() const { return m_view->renderer(); } void KateViewInternal::mouseMoved() { m_view->notifyMousePositionChanged(m_mouse); m_view->updateRangesIn(KTextEditor::Attribute::ActivateMouseIn); } void KateViewInternal::cursorMoved() { m_view->updateRangesIn(KTextEditor::Attribute::ActivateCaretIn); #ifndef QT_NO_ACCESSIBILITY QAccessibleTextCursorEvent ev(this, KateViewAccessible::positionFromCursor(this, primaryCursor())); QAccessible::updateAccessibility(&ev); #endif } bool KateViewInternal::rangeAffectsView(const KTextEditor::Range &range, bool realCursors) const { int startLine = m_startPos.line(); int endLine = startLine + (int)m_visibleLineCount; if (realCursors) { startLine = (int)m_view->textFolding().visibleLineToLine(startLine); endLine = (int)m_view->textFolding().visibleLineToLine(endLine); } return (range.end().line() >= startLine) || (range.start().line() <= endLine); } //BEGIN IM INPUT STUFF QVariant KateViewInternal::inputMethodQuery(Qt::InputMethodQuery query) const { switch (query) { case Qt::ImCursorRectangle: { // Cursor placement code is changed for Asian input method that // shows candidate window. This behavior is same as Qt/E 2.3.7 // which supports Asian input methods. Asian input methods need // start point of IM selection text to place candidate window as // adjacent to the selection text. // // in Qt5, cursor rectangle is used as QRectF internally, and it // will be checked by QRectF::isValid(), which will mark rectangle // with width == 0 or height == 0 as invalid. auto lineHeight = renderer()->lineHeight(); return QRect(cursorToCoordinate(primaryCursor(), true, false), QSize(1, lineHeight ? lineHeight : 1)); } case Qt::ImFont: return renderer()->currentFont(); case Qt::ImCursorPosition: return primaryCursor().column(); case Qt::ImAnchorPosition: // If selectAnchor is at the same line, return the real anchor position // Otherwise return the same position of cursor if (m_view->selection() && m_selectAnchor.line() == primaryCursor().line()) { return m_selectAnchor.column(); } else { return primaryCursor().column(); } case Qt::ImSurroundingText: if (Kate::TextLine l = doc()->kateTextLine(primaryCursor().line())) { return l->string(); } else { return QString(); } case Qt::ImCurrentSelection: if (m_view->selection()) { return m_view->selectionText(); } else { return QString(); } default: /* values: ImMaximumTextLength */ break; } return QWidget::inputMethodQuery(query); } void KateViewInternal::inputMethodEvent(QInputMethodEvent *e) { if (doc()->readOnly()) { e->ignore(); return; } //qCDebug(LOG_KTE) << "Event: cursor" << primaryCursor() << "commit" << e->commitString() << "preedit" << e->preeditString() << "replacement start" << e->replacementStart() << "length" << e->replacementLength(); if (!m_imPreeditRange) { m_imPreeditRange = doc()->newMovingRange(KTextEditor::Range(primaryCursor(), primaryCursor()), KTextEditor::MovingRange::ExpandLeft | KTextEditor::MovingRange::ExpandRight); } if (!m_imPreeditRange->toRange().isEmpty()) { doc()->inputMethodStart(); doc()->removeText(*m_imPreeditRange); doc()->inputMethodEnd(); } if (!e->commitString().isEmpty() || e->replacementLength()) { m_view->removeSelectedText(); KTextEditor::Range preeditRange = *m_imPreeditRange; KTextEditor::Cursor start(m_imPreeditRange->start().line(), m_imPreeditRange->start().column() + e->replacementStart()); KTextEditor::Cursor removeEnd = start + KTextEditor::Cursor(0, e->replacementLength()); doc()->editStart(); if (start != removeEnd) { doc()->removeText(KTextEditor::Range(start, removeEnd)); } if (!e->commitString().isEmpty()) { // if the input method event is text that should be inserted, call KTextEditor::DocumentPrivate::typeChars() // with the text. that method will handle the input and take care of overwrite mode, etc. doc()->typeChars(m_view, e->commitString()); } doc()->editEnd(); // Revert to the same range as above m_imPreeditRange->setRange(preeditRange); } if (!e->preeditString().isEmpty()) { doc()->inputMethodStart(); doc()->insertText(m_imPreeditRange->start(), e->preeditString()); doc()->inputMethodEnd(); // The preedit range gets automatically repositioned } // Finished this input method context? if (m_imPreeditRange && e->preeditString().isEmpty()) { // delete the range and reset the pointer delete m_imPreeditRange; m_imPreeditRange = nullptr; qDeleteAll(m_imPreeditRangeChildren); m_imPreeditRangeChildren.clear(); if (QApplication::cursorFlashTime() > 0) { renderer()->setDrawCaret(false); } renderer()->setCaretOverrideColor(QColor()); e->accept(); return; } KTextEditor::Cursor newCursor = primaryCursor(); bool hideCursor = false; QColor caretColor; if (m_imPreeditRange) { qDeleteAll(m_imPreeditRangeChildren); m_imPreeditRangeChildren.clear(); int decorationColumn = 0; foreach (const QInputMethodEvent::Attribute &a, e->attributes()) { if (a.type == QInputMethodEvent::Cursor) { newCursor = m_imPreeditRange->start() + KTextEditor::Cursor(0, a.start); hideCursor = !a.length; QColor c = qvariant_cast(a.value); if (c.isValid()) { caretColor = c; } } else if (a.type == QInputMethodEvent::TextFormat) { QTextCharFormat f = qvariant_cast(a.value).toCharFormat(); if (f.isValid() && decorationColumn <= a.start) { KTextEditor::Range fr(m_imPreeditRange->start().line(), m_imPreeditRange->start().column() + a.start, m_imPreeditRange->start().line(), m_imPreeditRange->start().column() + a.start + a.length); KTextEditor::MovingRange *formatRange = doc()->newMovingRange(fr); KTextEditor::Attribute::Ptr attribute(new KTextEditor::Attribute()); attribute->merge(f); formatRange->setAttribute(attribute); decorationColumn = a.start + a.length; m_imPreeditRangeChildren.push_back(formatRange); } } } } renderer()->setDrawCaret(hideCursor); renderer()->setCaretOverrideColor(caretColor); if (newCursor != primaryCursor()) { cursors()->setPrimaryCursor(newCursor); } e->accept(); } //END IM INPUT STUFF void KateViewInternal::flashChar(const KTextEditor::Cursor &pos, KTextEditor::Attribute::Ptr attribute) { Q_ASSERT(pos.isValid()); Q_ASSERT(attribute.constData()); // if line is folded away, do nothing if (!m_view->textFolding().isLineVisible(pos.line())) { return; } KTextEditor::Range range(pos, KTextEditor::Cursor(pos.line(), pos.column() + 1)); if (m_textAnimation) { m_textAnimation->deleteLater(); } m_textAnimation = new KateTextAnimation(range, attribute, this); } void KateViewInternal::documentTextInserted(KTextEditor::Document *document, const KTextEditor::Range &range) { #ifndef QT_NO_ACCESSIBILITY if (QAccessible::isActive()) { QAccessibleTextInsertEvent ev(this, KateViewAccessible::positionFromCursor(this, range.start()), document->text(range)); QAccessible::updateAccessibility(&ev); } #endif } void KateViewInternal::documentTextRemoved(KTextEditor::Document * /*document*/, const KTextEditor::Range &range, const QString &oldText) { #ifndef QT_NO_ACCESSIBILITY if (QAccessible::isActive()) { QAccessibleTextRemoveEvent ev(this, KateViewAccessible::positionFromCursor(this, range.start()), oldText); QAccessible::updateAccessibility(&ev); } #endif }