diff --git a/5.15.2/qtbase/src/widgets/widgets/qwidgettextcontrol.cpp b/5.15.2/qtbase/src/widgets/widgets/qwidgettextcontrol.cpp new file mode 100644 index 0000000..40b8af6 --- /dev/null +++ b/5.15.2/qtbase/src/widgets/widgets/qwidgettextcontrol.cpp @@ -0,0 +1,3464 @@ +/**************************************************************************** +** +** Copyright (C) 2019 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the QtWidgets module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qwidgettextcontrol_p.h" +#include "qwidgettextcontrol_p_p.h" + +#ifndef QT_NO_TEXTCONTROL + +#include +#include +#include +#include +#if QT_CONFIG(draganddrop) +#include +#endif +#include +#if QT_CONFIG(menu) +#include +#endif +#include +#include +#include "private/qapplication_p.h" +#include "private/qtextdocumentlayout_p.h" +#include "private/qabstracttextdocumentlayout_p.h" +#include "private/qmenu_p.h" +#include "qtextdocument.h" +#include "private/qtextdocument_p.h" +#include "qtextlist.h" +#include "private/qwidgettextcontrol_p.h" +#if QT_CONFIG(style_stylesheet) +# include "private/qstylesheetstyle_p.h" +#endif +#if QT_CONFIG(graphicsview) +#include "qgraphicssceneevent.h" +#endif +#include "qpagedpaintdevice.h" +#include "private/qpagedpaintdevice_p.h" +#include "qtextdocumentwriter.h" +#include "qstylehints.h" +#include "private/qtextcursor_p.h" + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#if QT_CONFIG(lineedit) +#include +#endif +#include +#include + +#ifndef QT_NO_SHORTCUT +#include "private/qapplication_p.h" +#include "private/qshortcutmap_p.h" +#include +#define ACCEL_KEY(k) ((!QCoreApplication::testAttribute(Qt::AA_DontShowShortcutsInContextMenus) \ + && QGuiApplication::styleHints()->showShortcutsInContextMenus()) \ + && !QGuiApplicationPrivate::instance()->shortcutMap.hasShortcutForKeySequence(k) ? \ + QLatin1Char('\t') + QKeySequence(k).toString(QKeySequence::NativeText) : QString()) + +#else +#define ACCEL_KEY(k) QString() +#endif + +#include + +QT_BEGIN_NAMESPACE + +// could go into QTextCursor... +static QTextLine currentTextLine(const QTextCursor &cursor) +{ + const QTextBlock block = cursor.block(); + if (!block.isValid()) + return QTextLine(); + + const QTextLayout *layout = block.layout(); + if (!layout) + return QTextLine(); + + const int relativePos = cursor.position() - block.position(); + return layout->lineForTextPosition(relativePos); +} + +QWidgetTextControlPrivate::QWidgetTextControlPrivate() + : doc(nullptr), cursorOn(false), cursorVisible(false), cursorIsFocusIndicator(false), +#ifndef Q_OS_ANDROID + interactionFlags(Qt::TextEditorInteraction), +#else + interactionFlags(Qt::TextEditable | Qt::TextSelectableByKeyboard), +#endif + dragEnabled(true), +#if QT_CONFIG(draganddrop) + mousePressed(false), mightStartDrag(false), +#endif + lastSelectionPosition(0), lastSelectionAnchor(0), + ignoreAutomaticScrollbarAdjustement(false), + overwriteMode(false), + acceptRichText(true), + preeditCursor(0), hideCursor(false), + hasFocus(false), +#ifdef QT_KEYPAD_NAVIGATION + hasEditFocus(false), +#endif + isEnabled(true), + hadSelectionOnMousePress(false), + ignoreUnusedNavigationEvents(false), + openExternalLinks(false), + wordSelectionEnabled(false) +{} + +bool QWidgetTextControlPrivate::cursorMoveKeyEvent(QKeyEvent *e) +{ +#ifdef QT_NO_SHORTCUT + Q_UNUSED(e); +#endif + + Q_Q(QWidgetTextControl); + if (cursor.isNull()) + return false; + + const QTextCursor oldSelection = cursor; + const int oldCursorPos = cursor.position(); + + QTextCursor::MoveMode mode = QTextCursor::MoveAnchor; + QTextCursor::MoveOperation op = QTextCursor::NoMove; + + if (false) { + } +#ifndef QT_NO_SHORTCUT + if (e == QKeySequence::MoveToNextChar) { + op = QTextCursor::Right; + } + else if (e == QKeySequence::MoveToPreviousChar) { + op = QTextCursor::Left; + } + else if (e == QKeySequence::SelectNextChar) { + op = QTextCursor::Right; + mode = QTextCursor::KeepAnchor; + } + else if (e == QKeySequence::SelectPreviousChar) { + op = QTextCursor::Left; + mode = QTextCursor::KeepAnchor; + } + else if (e == QKeySequence::SelectNextWord) { + op = QTextCursor::WordRight; + mode = QTextCursor::KeepAnchor; + } + else if (e == QKeySequence::SelectPreviousWord) { + op = QTextCursor::WordLeft; + mode = QTextCursor::KeepAnchor; + } + else if (e == QKeySequence::SelectStartOfLine) { + op = QTextCursor::StartOfLine; + mode = QTextCursor::KeepAnchor; + } + else if (e == QKeySequence::SelectEndOfLine) { + op = QTextCursor::EndOfLine; + mode = QTextCursor::KeepAnchor; + } + else if (e == QKeySequence::SelectStartOfBlock) { + op = QTextCursor::StartOfBlock; + mode = QTextCursor::KeepAnchor; + } + else if (e == QKeySequence::SelectEndOfBlock) { + op = QTextCursor::EndOfBlock; + mode = QTextCursor::KeepAnchor; + } + else if (e == QKeySequence::SelectStartOfDocument) { + op = QTextCursor::Start; + mode = QTextCursor::KeepAnchor; + } + else if (e == QKeySequence::SelectEndOfDocument) { + op = QTextCursor::End; + mode = QTextCursor::KeepAnchor; + } + else if (e == QKeySequence::SelectPreviousLine) { + op = QTextCursor::Up; + mode = QTextCursor::KeepAnchor; + { + QTextBlock block = cursor.block(); + QTextLine line = currentTextLine(cursor); + if (!block.previous().isValid() + && line.isValid() + && line.lineNumber() == 0) + op = QTextCursor::Start; + } + } + else if (e == QKeySequence::SelectNextLine) { + op = QTextCursor::Down; + mode = QTextCursor::KeepAnchor; + { + QTextBlock block = cursor.block(); + QTextLine line = currentTextLine(cursor); + if (!block.next().isValid() + && line.isValid() + && line.lineNumber() == block.layout()->lineCount() - 1) + op = QTextCursor::End; + } + } + else if (e == QKeySequence::MoveToNextWord) { + op = QTextCursor::WordRight; + } + else if (e == QKeySequence::MoveToPreviousWord) { + op = QTextCursor::WordLeft; + } + else if (e == QKeySequence::MoveToEndOfBlock) { + op = QTextCursor::EndOfBlock; + } + else if (e == QKeySequence::MoveToStartOfBlock) { + op = QTextCursor::StartOfBlock; + } + else if (e == QKeySequence::MoveToNextLine) { + op = QTextCursor::Down; + } + else if (e == QKeySequence::MoveToPreviousLine) { + op = QTextCursor::Up; + } + else if (e == QKeySequence::MoveToStartOfLine) { + op = QTextCursor::StartOfLine; + } + else if (e == QKeySequence::MoveToEndOfLine) { + op = QTextCursor::EndOfLine; + } + else if (e == QKeySequence::MoveToStartOfDocument) { + op = QTextCursor::Start; + } + else if (e == QKeySequence::MoveToEndOfDocument) { + op = QTextCursor::End; + } +#endif // QT_NO_SHORTCUT + else { + return false; + } + +// Except for pageup and pagedown, OS X has very different behavior, we don't do it all, but +// here's the breakdown: +// Shift still works as an anchor, but only one of the other keys can be down Ctrl (Command), +// Alt (Option), or Meta (Control). +// Command/Control + Left/Right -- Move to left or right of the line +// + Up/Down -- Move to top bottom of the file. (Control doesn't move the cursor) +// Option + Left/Right -- Move one word Left/right. +// + Up/Down -- Begin/End of Paragraph. +// Home/End Top/Bottom of file. (usually don't move the cursor, but will select) + + bool visualNavigation = cursor.visualNavigation(); + cursor.setVisualNavigation(true); + const bool moved = cursor.movePosition(op, mode); + cursor.setVisualNavigation(visualNavigation); + q->ensureCursorVisible(); + + bool ignoreNavigationEvents = ignoreUnusedNavigationEvents; + bool isNavigationEvent = e->key() == Qt::Key_Up || e->key() == Qt::Key_Down; + +#ifdef QT_KEYPAD_NAVIGATION + ignoreNavigationEvents = ignoreNavigationEvents || QApplicationPrivate::keypadNavigationEnabled(); + isNavigationEvent = isNavigationEvent || + (QApplication::navigationMode() == Qt::NavigationModeKeypadDirectional + && (e->key() == Qt::Key_Left || e->key() == Qt::Key_Right)); +#else + isNavigationEvent = isNavigationEvent || e->key() == Qt::Key_Left || e->key() == Qt::Key_Right; +#endif + + if (moved) { + if (cursor.position() != oldCursorPos) + emit q->cursorPositionChanged(); + emit q->microFocusChanged(); + } else if (ignoreNavigationEvents && isNavigationEvent && oldSelection.anchor() == cursor.anchor()) { + return false; + } + + selectionChanged(/*forceEmitSelectionChanged =*/(mode == QTextCursor::KeepAnchor)); + + repaintOldAndNewSelection(oldSelection); + + return true; +} + +void QWidgetTextControlPrivate::updateCurrentCharFormat() +{ + Q_Q(QWidgetTextControl); + + QTextCharFormat fmt = cursor.charFormat(); + if (fmt == lastCharFormat) + return; + lastCharFormat = fmt; + + emit q->currentCharFormatChanged(fmt); + emit q->microFocusChanged(); +} + +void QWidgetTextControlPrivate::indent() +{ + QTextBlockFormat blockFmt = cursor.blockFormat(); + + QTextList *list = cursor.currentList(); + if (!list) { + QTextBlockFormat modifier; + modifier.setIndent(blockFmt.indent() + 1); + cursor.mergeBlockFormat(modifier); + } else { + QTextListFormat format = list->format(); + format.setIndent(format.indent() + 1); + + if (list->itemNumber(cursor.block()) == 1) + list->setFormat(format); + else + cursor.createList(format); + } +} + +void QWidgetTextControlPrivate::outdent() +{ + QTextBlockFormat blockFmt = cursor.blockFormat(); + + QTextList *list = cursor.currentList(); + + if (!list) { + QTextBlockFormat modifier; + modifier.setIndent(blockFmt.indent() - 1); + cursor.mergeBlockFormat(modifier); + } else { + QTextListFormat listFmt = list->format(); + listFmt.setIndent(listFmt.indent() - 1); + list->setFormat(listFmt); + } +} + +void QWidgetTextControlPrivate::gotoNextTableCell() +{ + QTextTable *table = cursor.currentTable(); + QTextTableCell cell = table->cellAt(cursor); + + int newColumn = cell.column() + cell.columnSpan(); + int newRow = cell.row(); + + if (newColumn >= table->columns()) { + newColumn = 0; + ++newRow; + if (newRow >= table->rows()) + table->insertRows(table->rows(), 1); + } + + cell = table->cellAt(newRow, newColumn); + cursor = cell.firstCursorPosition(); +} + +void QWidgetTextControlPrivate::gotoPreviousTableCell() +{ + QTextTable *table = cursor.currentTable(); + QTextTableCell cell = table->cellAt(cursor); + + int newColumn = cell.column() - 1; + int newRow = cell.row(); + + if (newColumn < 0) { + newColumn = table->columns() - 1; + --newRow; + if (newRow < 0) + return; + } + + cell = table->cellAt(newRow, newColumn); + cursor = cell.firstCursorPosition(); +} + +void QWidgetTextControlPrivate::createAutoBulletList() +{ + cursor.beginEditBlock(); + + QTextBlockFormat blockFmt = cursor.blockFormat(); + + QTextListFormat listFmt; + listFmt.setStyle(QTextListFormat::ListDisc); + listFmt.setIndent(blockFmt.indent() + 1); + + blockFmt.setIndent(0); + cursor.setBlockFormat(blockFmt); + + cursor.createList(listFmt); + + cursor.endEditBlock(); +} + +void QWidgetTextControlPrivate::init(Qt::TextFormat format, const QString &text, QTextDocument *document) +{ + Q_Q(QWidgetTextControl); + setContent(format, text, document); + + doc->setUndoRedoEnabled(interactionFlags & Qt::TextEditable); + q->setCursorWidth(-1); +} + +void QWidgetTextControlPrivate::setContent(Qt::TextFormat format, const QString &text, QTextDocument *document) +{ + Q_Q(QWidgetTextControl); + + // for use when called from setPlainText. we may want to re-use the currently + // set char format then. + const QTextCharFormat charFormatForInsertion = cursor.charFormat(); + + bool clearDocument = true; + if (!doc) { + if (document) { + doc = document; + clearDocument = false; + } else { + palette = QApplication::palette("QWidgetTextControl"); + doc = new QTextDocument(q); + } + _q_documentLayoutChanged(); + cursor = QTextCursor(doc); + +// #### doc->documentLayout()->setPaintDevice(viewport); + + QObject::connect(doc, SIGNAL(contentsChanged()), q, SLOT(_q_updateCurrentCharFormatAndSelection())); + QObject::connect(doc, SIGNAL(cursorPositionChanged(QTextCursor)), q, SLOT(_q_emitCursorPosChanged(QTextCursor))); + QObject::connect(doc, SIGNAL(documentLayoutChanged()), q, SLOT(_q_documentLayoutChanged())); + + // convenience signal forwards + QObject::connect(doc, SIGNAL(undoAvailable(bool)), q, SIGNAL(undoAvailable(bool))); + QObject::connect(doc, SIGNAL(redoAvailable(bool)), q, SIGNAL(redoAvailable(bool))); + QObject::connect(doc, SIGNAL(modificationChanged(bool)), q, SIGNAL(modificationChanged(bool))); + QObject::connect(doc, SIGNAL(blockCountChanged(int)), q, SIGNAL(blockCountChanged(int))); + } + + bool previousUndoRedoState = doc->isUndoRedoEnabled(); + if (!document) + doc->setUndoRedoEnabled(false); + + //Saving the index save some time. + static int contentsChangedIndex = QMetaMethod::fromSignal(&QTextDocument::contentsChanged).methodIndex(); + static int textChangedIndex = QMetaMethod::fromSignal(&QWidgetTextControl::textChanged).methodIndex(); + // avoid multiple textChanged() signals being emitted + QMetaObject::disconnect(doc, contentsChangedIndex, q, textChangedIndex); + + if (!text.isEmpty()) { + // clear 'our' cursor for insertion to prevent + // the emission of the cursorPositionChanged() signal. + // instead we emit it only once at the end instead of + // at the end of the document after loading and when + // positioning the cursor again to the start of the + // document. + cursor = QTextCursor(); + if (format == Qt::PlainText) { + QTextCursor formatCursor(doc); + // put the setPlainText and the setCharFormat into one edit block, + // so that the syntax highlight triggers only /once/ for the entire + // document, not twice. + formatCursor.beginEditBlock(); + doc->setPlainText(text); + doc->setUndoRedoEnabled(false); + formatCursor.select(QTextCursor::Document); + formatCursor.setCharFormat(charFormatForInsertion); + formatCursor.endEditBlock(); +#if QT_CONFIG(textmarkdownreader) + } else if (format == Qt::MarkdownText) { + doc->setMarkdown(text); + doc->setUndoRedoEnabled(false); +#endif + } else { +#ifndef QT_NO_TEXTHTMLPARSER + doc->setHtml(text); +#else + doc->setPlainText(text); +#endif + doc->setUndoRedoEnabled(false); + } + cursor = QTextCursor(doc); + } else if (clearDocument) { + doc->clear(); + } + cursor.setCharFormat(charFormatForInsertion); + + QMetaObject::connect(doc, contentsChangedIndex, q, textChangedIndex); + emit q->textChanged(); + if (!document) + doc->setUndoRedoEnabled(previousUndoRedoState); + _q_updateCurrentCharFormatAndSelection(); + if (!document) + doc->setModified(false); + + q->ensureCursorVisible(); + emit q->cursorPositionChanged(); + + QObject::connect(doc, SIGNAL(contentsChange(int,int,int)), q, SLOT(_q_contentsChanged(int,int,int)), Qt::UniqueConnection); +} + +void QWidgetTextControlPrivate::startDrag() +{ +#if QT_CONFIG(draganddrop) + Q_Q(QWidgetTextControl); + mousePressed = false; + if (!contextWidget) + return; + QMimeData *data = q->createMimeDataFromSelection(); + + QDrag *drag = new QDrag(contextWidget); + drag->setMimeData(data); + + Qt::DropActions actions = Qt::CopyAction; + Qt::DropAction action; + if (interactionFlags & Qt::TextEditable) { + actions |= Qt::MoveAction; + action = drag->exec(actions, Qt::MoveAction); + } else { + action = drag->exec(actions, Qt::CopyAction); + } + + if (action == Qt::MoveAction && drag->target() != contextWidget) + cursor.removeSelectedText(); +#endif +} + +void QWidgetTextControlPrivate::setCursorPosition(const QPointF &pos) +{ + Q_Q(QWidgetTextControl); + const int cursorPos = q->hitTest(pos, Qt::FuzzyHit); + if (cursorPos == -1) + return; + cursor.setPosition(cursorPos); +} + +void QWidgetTextControlPrivate::setCursorPosition(int pos, QTextCursor::MoveMode mode) +{ + cursor.setPosition(pos, mode); + + if (mode != QTextCursor::KeepAnchor) { + selectedWordOnDoubleClick = QTextCursor(); + selectedBlockOnTrippleClick = QTextCursor(); + } +} + +void QWidgetTextControlPrivate::repaintCursor() +{ + Q_Q(QWidgetTextControl); + emit q->updateRequest(cursorRectPlusUnicodeDirectionMarkers(cursor)); +} + +void QWidgetTextControlPrivate::repaintOldAndNewSelection(const QTextCursor &oldSelection) +{ + Q_Q(QWidgetTextControl); + if (cursor.hasSelection() + && oldSelection.hasSelection() + && cursor.currentFrame() == oldSelection.currentFrame() + && !cursor.hasComplexSelection() + && !oldSelection.hasComplexSelection() + && cursor.anchor() == oldSelection.anchor() + ) { + QTextCursor differenceSelection(doc); + differenceSelection.setPosition(oldSelection.position()); + differenceSelection.setPosition(cursor.position(), QTextCursor::KeepAnchor); + emit q->updateRequest(q->selectionRect(differenceSelection)); + } else { + if (!oldSelection.isNull()) + emit q->updateRequest(q->selectionRect(oldSelection) | cursorRectPlusUnicodeDirectionMarkers(oldSelection)); + emit q->updateRequest(q->selectionRect() | cursorRectPlusUnicodeDirectionMarkers(cursor)); + } +} + +void QWidgetTextControlPrivate::selectionChanged(bool forceEmitSelectionChanged /*=false*/) +{ + Q_Q(QWidgetTextControl); + if (forceEmitSelectionChanged) { + emit q->selectionChanged(); +#ifndef QT_NO_ACCESSIBILITY + if (q->parent() && q->parent()->isWidgetType()) { + QAccessibleTextSelectionEvent ev(q->parent(), cursor.anchor(), cursor.position()); + QAccessible::updateAccessibility(&ev); + } +#endif + } + + if (cursor.position() == lastSelectionPosition + && cursor.anchor() == lastSelectionAnchor) + return; + + bool selectionStateChange = (cursor.hasSelection() + != (lastSelectionPosition != lastSelectionAnchor)); + if (selectionStateChange) + emit q->copyAvailable(cursor.hasSelection()); + + if (!forceEmitSelectionChanged + && (selectionStateChange + || (cursor.hasSelection() + && (cursor.position() != lastSelectionPosition + || cursor.anchor() != lastSelectionAnchor)))) { + emit q->selectionChanged(); +#ifndef QT_NO_ACCESSIBILITY + if (q->parent() && q->parent()->isWidgetType()) { + QAccessibleTextSelectionEvent ev(q->parent(), cursor.anchor(), cursor.position()); + QAccessible::updateAccessibility(&ev); + } +#endif + } + emit q->microFocusChanged(); + lastSelectionPosition = cursor.position(); + lastSelectionAnchor = cursor.anchor(); +} + +void QWidgetTextControlPrivate::_q_updateCurrentCharFormatAndSelection() +{ + updateCurrentCharFormat(); + selectionChanged(); +} + +#ifndef QT_NO_CLIPBOARD +void QWidgetTextControlPrivate::setClipboardSelection() +{ + QClipboard *clipboard = QGuiApplication::clipboard(); + if (!cursor.hasSelection() || !clipboard->supportsSelection()) + return; + Q_Q(QWidgetTextControl); + QMimeData *data = q->createMimeDataFromSelection(); + clipboard->setMimeData(data, QClipboard::Selection); +} +#endif + +void QWidgetTextControlPrivate::_q_emitCursorPosChanged(const QTextCursor &someCursor) +{ + Q_Q(QWidgetTextControl); + if (someCursor.isCopyOf(cursor)) { + emit q->cursorPositionChanged(); + emit q->microFocusChanged(); + } +} + +void QWidgetTextControlPrivate::_q_contentsChanged(int from, int charsRemoved, int charsAdded) +{ +#ifndef QT_NO_ACCESSIBILITY + Q_Q(QWidgetTextControl); + + if (QAccessible::isActive() && q->parent() && q->parent()->isWidgetType()) { + QTextCursor tmp(doc); + tmp.setPosition(from); + // when setting a new text document the length is off + // QTBUG-32583 - characterCount is off by 1 requires the -1 + tmp.setPosition(qMin(doc->characterCount() - 1, from + charsAdded), QTextCursor::KeepAnchor); + QString newText = tmp.selectedText(); + + // always report the right number of removed chars, but in lack of the real string use spaces + QString oldText = QString(charsRemoved, QLatin1Char(' ')); + + QAccessibleEvent *ev = nullptr; + if (charsRemoved == 0) { + ev = new QAccessibleTextInsertEvent(q->parent(), from, newText); + } else if (charsAdded == 0) { + ev = new QAccessibleTextRemoveEvent(q->parent(), from, oldText); + } else { + ev = new QAccessibleTextUpdateEvent(q->parent(), from, oldText, newText); + } + QAccessible::updateAccessibility(ev); + delete ev; + } +#else + Q_UNUSED(from) + Q_UNUSED(charsRemoved) + Q_UNUSED(charsAdded) +#endif +} + +void QWidgetTextControlPrivate::_q_documentLayoutChanged() +{ + Q_Q(QWidgetTextControl); + QAbstractTextDocumentLayout *layout = doc->documentLayout(); + QObject::connect(layout, SIGNAL(update(QRectF)), q, SIGNAL(updateRequest(QRectF))); + QObject::connect(layout, SIGNAL(updateBlock(QTextBlock)), q, SLOT(_q_updateBlock(QTextBlock))); + QObject::connect(layout, SIGNAL(documentSizeChanged(QSizeF)), q, SIGNAL(documentSizeChanged(QSizeF))); + +} + +void QWidgetTextControlPrivate::setCursorVisible(bool visible) +{ + if (cursorVisible == visible) + return; + + cursorVisible = visible; + updateCursorBlinking(); + + if (cursorVisible) + connect(QGuiApplication::styleHints(), &QStyleHints::cursorFlashTimeChanged, this, &QWidgetTextControlPrivate::updateCursorBlinking); + else + disconnect(QGuiApplication::styleHints(), &QStyleHints::cursorFlashTimeChanged, this, &QWidgetTextControlPrivate::updateCursorBlinking); +} + +void QWidgetTextControlPrivate::updateCursorBlinking() +{ + cursorBlinkTimer.stop(); + if (cursorVisible) { + int flashTime = QGuiApplication::styleHints()->cursorFlashTime(); + if (flashTime >= 2) + cursorBlinkTimer.start(flashTime / 2, q_func()); + } + + cursorOn = cursorVisible; + repaintCursor(); +} + +void QWidgetTextControlPrivate::extendWordwiseSelection(int suggestedNewPosition, qreal mouseXPosition) +{ + Q_Q(QWidgetTextControl); + + // if inside the initial selected word keep that + if (suggestedNewPosition >= selectedWordOnDoubleClick.selectionStart() + && suggestedNewPosition <= selectedWordOnDoubleClick.selectionEnd()) { + q->setTextCursor(selectedWordOnDoubleClick); + return; + } + + QTextCursor curs = selectedWordOnDoubleClick; + curs.setPosition(suggestedNewPosition, QTextCursor::KeepAnchor); + + if (!curs.movePosition(QTextCursor::StartOfWord)) + return; + const int wordStartPos = curs.position(); + + const int blockPos = curs.block().position(); + const QPointF blockCoordinates = q->blockBoundingRect(curs.block()).topLeft(); + + QTextLine line = currentTextLine(curs); + if (!line.isValid()) + return; + + const qreal wordStartX = line.cursorToX(curs.position() - blockPos) + blockCoordinates.x(); + + if (!curs.movePosition(QTextCursor::EndOfWord)) + return; + const int wordEndPos = curs.position(); + + const QTextLine otherLine = currentTextLine(curs); + if (otherLine.textStart() != line.textStart() + || wordEndPos == wordStartPos) + return; + + const qreal wordEndX = line.cursorToX(curs.position() - blockPos) + blockCoordinates.x(); + + if (!wordSelectionEnabled && (mouseXPosition < wordStartX || mouseXPosition > wordEndX)) + return; + + if (wordSelectionEnabled) { + if (suggestedNewPosition < selectedWordOnDoubleClick.position()) { + cursor.setPosition(selectedWordOnDoubleClick.selectionEnd()); + setCursorPosition(wordStartPos, QTextCursor::KeepAnchor); + } else { + cursor.setPosition(selectedWordOnDoubleClick.selectionStart()); + setCursorPosition(wordEndPos, QTextCursor::KeepAnchor); + } + } else { + // keep the already selected word even when moving to the left + // (#39164) + if (suggestedNewPosition < selectedWordOnDoubleClick.position()) + cursor.setPosition(selectedWordOnDoubleClick.selectionEnd()); + else + cursor.setPosition(selectedWordOnDoubleClick.selectionStart()); + + const qreal differenceToStart = mouseXPosition - wordStartX; + const qreal differenceToEnd = wordEndX - mouseXPosition; + + if (differenceToStart < differenceToEnd) + setCursorPosition(wordStartPos, QTextCursor::KeepAnchor); + else + setCursorPosition(wordEndPos, QTextCursor::KeepAnchor); + } + + if (interactionFlags & Qt::TextSelectableByMouse) { +#ifndef QT_NO_CLIPBOARD + setClipboardSelection(); +#endif + selectionChanged(true); + } +} + +void QWidgetTextControlPrivate::extendBlockwiseSelection(int suggestedNewPosition) +{ + Q_Q(QWidgetTextControl); + + // if inside the initial selected line keep that + if (suggestedNewPosition >= selectedBlockOnTrippleClick.selectionStart() + && suggestedNewPosition <= selectedBlockOnTrippleClick.selectionEnd()) { + q->setTextCursor(selectedBlockOnTrippleClick); + return; + } + + if (suggestedNewPosition < selectedBlockOnTrippleClick.position()) { + cursor.setPosition(selectedBlockOnTrippleClick.selectionEnd()); + cursor.setPosition(suggestedNewPosition, QTextCursor::KeepAnchor); + cursor.movePosition(QTextCursor::StartOfBlock, QTextCursor::KeepAnchor); + } else { + cursor.setPosition(selectedBlockOnTrippleClick.selectionStart()); + cursor.setPosition(suggestedNewPosition, QTextCursor::KeepAnchor); + cursor.movePosition(QTextCursor::EndOfBlock, QTextCursor::KeepAnchor); + cursor.movePosition(QTextCursor::NextCharacter, QTextCursor::KeepAnchor); + } + + if (interactionFlags & Qt::TextSelectableByMouse) { +#ifndef QT_NO_CLIPBOARD + setClipboardSelection(); +#endif + selectionChanged(true); + } +} + +void QWidgetTextControlPrivate::_q_deleteSelected() +{ + if (!(interactionFlags & Qt::TextEditable) || !cursor.hasSelection()) + return; + cursor.removeSelectedText(); +} + +void QWidgetTextControl::undo() +{ + Q_D(QWidgetTextControl); + d->repaintSelection(); + const int oldCursorPos = d->cursor.position(); + d->doc->undo(&d->cursor); + if (d->cursor.position() != oldCursorPos) + emit cursorPositionChanged(); + emit microFocusChanged(); + ensureCursorVisible(); +} + +void QWidgetTextControl::redo() +{ + Q_D(QWidgetTextControl); + d->repaintSelection(); + const int oldCursorPos = d->cursor.position(); + d->doc->redo(&d->cursor); + if (d->cursor.position() != oldCursorPos) + emit cursorPositionChanged(); + emit microFocusChanged(); + ensureCursorVisible(); +} + +QWidgetTextControl::QWidgetTextControl(QObject *parent) + : QInputControl(QInputControl::TextEdit, *new QWidgetTextControlPrivate, parent) +{ + Q_D(QWidgetTextControl); + d->init(); +} + +QWidgetTextControl::QWidgetTextControl(const QString &text, QObject *parent) + : QInputControl(QInputControl::TextEdit, *new QWidgetTextControlPrivate, parent) +{ + Q_D(QWidgetTextControl); + d->init(Qt::RichText, text); +} + +QWidgetTextControl::QWidgetTextControl(QTextDocument *doc, QObject *parent) + : QInputControl(QInputControl::TextEdit, *new QWidgetTextControlPrivate, parent) +{ + Q_D(QWidgetTextControl); + d->init(Qt::RichText, QString(), doc); +} + +QWidgetTextControl::~QWidgetTextControl() +{ +} + +void QWidgetTextControl::setDocument(QTextDocument *document) +{ + Q_D(QWidgetTextControl); + if (d->doc == document) + return; + + d->doc->disconnect(this); + d->doc->documentLayout()->disconnect(this); + d->doc->documentLayout()->setPaintDevice(nullptr); + + if (d->doc->parent() == this) + delete d->doc; + + d->doc = nullptr; + d->setContent(Qt::RichText, QString(), document); +} + +QTextDocument *QWidgetTextControl::document() const +{ + Q_D(const QWidgetTextControl); + return d->doc; +} + +void QWidgetTextControl::setTextCursor(const QTextCursor &cursor) +{ + Q_D(QWidgetTextControl); + d->cursorIsFocusIndicator = false; + const bool posChanged = cursor.position() != d->cursor.position(); + const QTextCursor oldSelection = d->cursor; + d->cursor = cursor; + d->cursorOn = d->hasFocus + && (d->interactionFlags & (Qt::TextSelectableByKeyboard | Qt::TextEditable)); + d->_q_updateCurrentCharFormatAndSelection(); + ensureCursorVisible(); + d->repaintOldAndNewSelection(oldSelection); + if (posChanged) + emit cursorPositionChanged(); +} + +QTextCursor QWidgetTextControl::textCursor() const +{ + Q_D(const QWidgetTextControl); + return d->cursor; +} + +#ifndef QT_NO_CLIPBOARD + +void QWidgetTextControl::cut() +{ + Q_D(QWidgetTextControl); + if (!(d->interactionFlags & Qt::TextEditable) || !d->cursor.hasSelection()) + return; + copy(); + d->cursor.removeSelectedText(); +} + +void QWidgetTextControl::copy() +{ + Q_D(QWidgetTextControl); + if (!d->cursor.hasSelection()) + return; + QMimeData *data = createMimeDataFromSelection(); + QGuiApplication::clipboard()->setMimeData(data); +} + +void QWidgetTextControl::paste(QClipboard::Mode mode) +{ + const QMimeData *md = QGuiApplication::clipboard()->mimeData(mode); + if (md) + insertFromMimeData(md); +} +#endif + +void QWidgetTextControl::clear() +{ + Q_D(QWidgetTextControl); + // clears and sets empty content + d->extraSelections.clear(); + d->setContent(); +} + + +void QWidgetTextControl::selectAll() +{ + Q_D(QWidgetTextControl); + const int selectionLength = qAbs(d->cursor.position() - d->cursor.anchor()); + d->cursor.select(QTextCursor::Document); + d->selectionChanged(selectionLength != qAbs(d->cursor.position() - d->cursor.anchor())); + d->cursorIsFocusIndicator = false; + emit updateRequest(); +} + +void QWidgetTextControl::processEvent(QEvent *e, const QPointF &coordinateOffset, QWidget *contextWidget) +{ + QTransform t; + t.translate(coordinateOffset.x(), coordinateOffset.y()); + processEvent(e, t, contextWidget); +} + +void QWidgetTextControl::processEvent(QEvent *e, const QTransform &transform, QWidget *contextWidget) +{ + Q_D(QWidgetTextControl); + if (d->interactionFlags == Qt::NoTextInteraction) { + e->ignore(); + return; + } + + d->contextWidget = contextWidget; + + if (!d->contextWidget) { + switch (e->type()) { +#if QT_CONFIG(graphicsview) + case QEvent::GraphicsSceneMouseMove: + case QEvent::GraphicsSceneMousePress: + case QEvent::GraphicsSceneMouseRelease: + case QEvent::GraphicsSceneMouseDoubleClick: + case QEvent::GraphicsSceneContextMenu: + case QEvent::GraphicsSceneHoverEnter: + case QEvent::GraphicsSceneHoverMove: + case QEvent::GraphicsSceneHoverLeave: + case QEvent::GraphicsSceneHelp: + case QEvent::GraphicsSceneDragEnter: + case QEvent::GraphicsSceneDragMove: + case QEvent::GraphicsSceneDragLeave: + case QEvent::GraphicsSceneDrop: { + QGraphicsSceneEvent *ev = static_cast(e); + d->contextWidget = ev->widget(); + break; + } +#endif // QT_CONFIG(graphicsview) + default: break; + }; + } + + switch (e->type()) { + case QEvent::KeyPress: + d->keyPressEvent(static_cast(e)); + break; + case QEvent::MouseButtonPress: { + QMouseEvent *ev = static_cast(e); + d->mousePressEvent(ev, ev->button(), transform.map(ev->pos()), ev->modifiers(), + ev->buttons(), ev->globalPos()); + break; } + case QEvent::MouseMove: { + QMouseEvent *ev = static_cast(e); + d->mouseMoveEvent(ev, ev->button(), transform.map(ev->pos()), ev->modifiers(), + ev->buttons(), ev->globalPos()); + break; } + case QEvent::MouseButtonRelease: { + QMouseEvent *ev = static_cast(e); + d->mouseReleaseEvent(ev, ev->button(), transform.map(ev->pos()), ev->modifiers(), + ev->buttons(), ev->globalPos()); + break; } + case QEvent::MouseButtonDblClick: { + QMouseEvent *ev = static_cast(e); + d->mouseDoubleClickEvent(ev, ev->button(), transform.map(ev->pos()), ev->modifiers(), + ev->buttons(), ev->globalPos()); + break; } + case QEvent::InputMethod: + d->inputMethodEvent(static_cast(e)); + break; +#ifndef QT_NO_CONTEXTMENU + case QEvent::ContextMenu: { + QContextMenuEvent *ev = static_cast(e); + d->contextMenuEvent(ev->globalPos(), transform.map(ev->pos()), contextWidget); + break; } +#endif // QT_NO_CONTEXTMENU + case QEvent::FocusIn: + case QEvent::FocusOut: + d->focusEvent(static_cast(e)); + break; + + case QEvent::EnabledChange: + d->isEnabled = e->isAccepted(); + break; + +#ifndef QT_NO_TOOLTIP + case QEvent::ToolTip: { + QHelpEvent *ev = static_cast(e); + d->showToolTip(ev->globalPos(), transform.map(ev->pos()), contextWidget); + break; + } +#endif // QT_NO_TOOLTIP + +#if QT_CONFIG(draganddrop) + case QEvent::DragEnter: { + QDragEnterEvent *ev = static_cast(e); + if (d->dragEnterEvent(e, ev->mimeData())) + ev->acceptProposedAction(); + break; + } + case QEvent::DragLeave: + d->dragLeaveEvent(); + break; + case QEvent::DragMove: { + QDragMoveEvent *ev = static_cast(e); + if (d->dragMoveEvent(e, ev->mimeData(), transform.map(ev->pos()))) + ev->acceptProposedAction(); + break; + } + case QEvent::Drop: { + QDropEvent *ev = static_cast(e); + if (d->dropEvent(ev->mimeData(), transform.map(ev->pos()), ev->dropAction(), ev->source())) + ev->acceptProposedAction(); + break; + } +#endif + +#if QT_CONFIG(graphicsview) + case QEvent::GraphicsSceneMousePress: { + QGraphicsSceneMouseEvent *ev = static_cast(e); + d->mousePressEvent(ev, ev->button(), transform.map(ev->pos()), ev->modifiers(), ev->buttons(), + ev->screenPos()); + break; } + case QEvent::GraphicsSceneMouseMove: { + QGraphicsSceneMouseEvent *ev = static_cast(e); + d->mouseMoveEvent(ev, ev->button(), transform.map(ev->pos()), ev->modifiers(), ev->buttons(), + ev->screenPos()); + break; } + case QEvent::GraphicsSceneMouseRelease: { + QGraphicsSceneMouseEvent *ev = static_cast(e); + d->mouseReleaseEvent(ev, ev->button(), transform.map(ev->pos()), ev->modifiers(), ev->buttons(), + ev->screenPos()); + break; } + case QEvent::GraphicsSceneMouseDoubleClick: { + QGraphicsSceneMouseEvent *ev = static_cast(e); + d->mouseDoubleClickEvent(ev, ev->button(), transform.map(ev->pos()), ev->modifiers(), ev->buttons(), + ev->screenPos()); + break; } + case QEvent::GraphicsSceneContextMenu: { + QGraphicsSceneContextMenuEvent *ev = static_cast(e); + d->contextMenuEvent(ev->screenPos(), transform.map(ev->pos()), contextWidget); + break; } + + case QEvent::GraphicsSceneHoverMove: { + QGraphicsSceneHoverEvent *ev = static_cast(e); + d->mouseMoveEvent(ev, Qt::NoButton, transform.map(ev->pos()), ev->modifiers(),Qt::NoButton, + ev->screenPos()); + break; } + + case QEvent::GraphicsSceneDragEnter: { + QGraphicsSceneDragDropEvent *ev = static_cast(e); + if (d->dragEnterEvent(e, ev->mimeData())) + ev->acceptProposedAction(); + break; } + case QEvent::GraphicsSceneDragLeave: + d->dragLeaveEvent(); + break; + case QEvent::GraphicsSceneDragMove: { + QGraphicsSceneDragDropEvent *ev = static_cast(e); + if (d->dragMoveEvent(e, ev->mimeData(), transform.map(ev->pos()))) + ev->acceptProposedAction(); + break; } + case QEvent::GraphicsSceneDrop: { + QGraphicsSceneDragDropEvent *ev = static_cast(e); + if (d->dropEvent(ev->mimeData(), transform.map(ev->pos()), ev->dropAction(), ev->source())) + ev->accept(); + break; } +#endif // QT_CONFIG(graphicsview) +#ifdef QT_KEYPAD_NAVIGATION + case QEvent::EnterEditFocus: + case QEvent::LeaveEditFocus: + if (QApplicationPrivate::keypadNavigationEnabled()) + d->editFocusEvent(e); + break; +#endif + case QEvent::ShortcutOverride: + if (d->interactionFlags & Qt::TextEditable) { + QKeyEvent* ke = static_cast(e); + if (isCommonTextEditShortcut(ke)) + ke->accept(); + } + break; + default: + break; + } +} + +bool QWidgetTextControl::event(QEvent *e) +{ + return QObject::event(e); +} + +void QWidgetTextControl::timerEvent(QTimerEvent *e) +{ + Q_D(QWidgetTextControl); + if (e->timerId() == d->cursorBlinkTimer.timerId()) { + d->cursorOn = !d->cursorOn; + + if (d->cursor.hasSelection()) + d->cursorOn &= (QApplication::style()->styleHint(QStyle::SH_BlinkCursorWhenTextSelected) + != 0); + + d->repaintCursor(); + } else if (e->timerId() == d->trippleClickTimer.timerId()) { + d->trippleClickTimer.stop(); + } +} + +void QWidgetTextControl::setPlainText(const QString &text) +{ + Q_D(QWidgetTextControl); + d->setContent(Qt::PlainText, text); +} + +#if QT_CONFIG(textmarkdownreader) +void QWidgetTextControl::setMarkdown(const QString &text) +{ + Q_D(QWidgetTextControl); + d->setContent(Qt::MarkdownText, text); +} +#endif + +void QWidgetTextControl::setHtml(const QString &text) +{ + Q_D(QWidgetTextControl); + d->setContent(Qt::RichText, text); +} + +void QWidgetTextControlPrivate::keyPressEvent(QKeyEvent *e) +{ + Q_Q(QWidgetTextControl); +#ifndef QT_NO_SHORTCUT + if (e == QKeySequence::SelectAll) { + e->accept(); + q->selectAll(); + return; + } +#ifndef QT_NO_CLIPBOARD + else if (e == QKeySequence::Copy) { + e->accept(); + q->copy(); + return; + } +#endif +#endif // QT_NO_SHORTCUT + + if (interactionFlags & Qt::TextSelectableByKeyboard + && cursorMoveKeyEvent(e)) + goto accept; + + if (interactionFlags & Qt::LinksAccessibleByKeyboard) { + if ((e->key() == Qt::Key_Return + || e->key() == Qt::Key_Enter +#ifdef QT_KEYPAD_NAVIGATION + || e->key() == Qt::Key_Select +#endif + ) + && cursor.hasSelection()) { + + e->accept(); + activateLinkUnderCursor(); + return; + } + } + + if (!(interactionFlags & Qt::TextEditable)) { + e->ignore(); + return; + } + + if (e->key() == Qt::Key_Direction_L || e->key() == Qt::Key_Direction_R) { + QTextBlockFormat fmt; + fmt.setLayoutDirection((e->key() == Qt::Key_Direction_L) ? Qt::LeftToRight : Qt::RightToLeft); + cursor.mergeBlockFormat(fmt); + goto accept; + } + + // schedule a repaint of the region of the cursor, as when we move it we + // want to make sure the old cursor disappears (not noticeable when moving + // only a few pixels but noticeable when jumping between cells in tables for + // example) + repaintSelection(); + + if (e->key() == Qt::Key_Backspace && !(e->modifiers() & ~Qt::ShiftModifier)) { + QTextBlockFormat blockFmt = cursor.blockFormat(); + QTextList *list = cursor.currentList(); + if (list && cursor.atBlockStart() && !cursor.hasSelection()) { + list->remove(cursor.block()); + } else if (cursor.atBlockStart() && blockFmt.indent() > 0) { + blockFmt.setIndent(blockFmt.indent() - 1); + cursor.setBlockFormat(blockFmt); + } else { + QTextCursor localCursor = cursor; + localCursor.deletePreviousChar(); + if (cursor.d) + cursor.d->setX(); + } + goto accept; + } +#ifndef QT_NO_SHORTCUT + else if (e == QKeySequence::InsertParagraphSeparator) { + cursor.insertBlock(); + e->accept(); + goto accept; + } else if (e == QKeySequence::InsertLineSeparator) { + cursor.insertText(QString(QChar::LineSeparator)); + e->accept(); + goto accept; + } +#endif + if (false) { + } +#ifndef QT_NO_SHORTCUT + else if (e == QKeySequence::Undo) { + q->undo(); + } + else if (e == QKeySequence::Redo) { + q->redo(); + } +#ifndef QT_NO_CLIPBOARD + else if (e == QKeySequence::Cut) { + q->cut(); + } + else if (e == QKeySequence::Paste) { + QClipboard::Mode mode = QClipboard::Clipboard; + if (QGuiApplication::clipboard()->supportsSelection()) { + if (e->modifiers() == (Qt::CTRL | Qt::SHIFT) && e->key() == Qt::Key_Insert) + mode = QClipboard::Selection; + } + q->paste(mode); + } +#endif + else if (e == QKeySequence::Delete) { + QTextCursor localCursor = cursor; + localCursor.deleteChar(); + if (cursor.d) + cursor.d->setX(); + } else if (e == QKeySequence::Backspace) { + QTextCursor localCursor = cursor; + localCursor.deletePreviousChar(); + if (cursor.d) + cursor.d->setX(); + }else if (e == QKeySequence::DeleteEndOfWord) { + if (!cursor.hasSelection()) + cursor.movePosition(QTextCursor::NextWord, QTextCursor::KeepAnchor); + cursor.removeSelectedText(); + } + else if (e == QKeySequence::DeleteStartOfWord) { + if (!cursor.hasSelection()) + cursor.movePosition(QTextCursor::PreviousWord, QTextCursor::KeepAnchor); + cursor.removeSelectedText(); + } + else if (e == QKeySequence::DeleteEndOfLine) { + QTextBlock block = cursor.block(); + if (cursor.position() == block.position() + block.length() - 2) + cursor.movePosition(QTextCursor::Right, QTextCursor::KeepAnchor); + else + cursor.movePosition(QTextCursor::EndOfBlock, QTextCursor::KeepAnchor); + cursor.removeSelectedText(); + } +#endif // QT_NO_SHORTCUT + else { + goto process; + } + goto accept; + +process: + { + if (q->isAcceptableInput(e)) { + if (overwriteMode + // no need to call deleteChar() if we have a selection, insertText + // does it already + && !cursor.hasSelection() + && !cursor.atBlockEnd()) + cursor.deleteChar(); + + cursor.insertText(e->text()); + selectionChanged(); + } else { + e->ignore(); + return; + } + } + + accept: + + e->accept(); + cursorOn = true; + + q->ensureCursorVisible(); + + updateCurrentCharFormat(); +} + +QVariant QWidgetTextControl::loadResource(int type, const QUrl &name) +{ + Q_UNUSED(type); + Q_UNUSED(name); + return QVariant(); +} + +void QWidgetTextControlPrivate::_q_updateBlock(const QTextBlock &block) +{ + Q_Q(QWidgetTextControl); + QRectF br = q->blockBoundingRect(block); + br.setRight(qreal(INT_MAX)); // the block might have shrunk + emit q->updateRequest(br); +} + +QRectF QWidgetTextControlPrivate::rectForPosition(int position) const +{ + Q_Q(const QWidgetTextControl); + const QTextBlock block = doc->findBlock(position); + if (!block.isValid()) + return QRectF(); + const QAbstractTextDocumentLayout *docLayout = doc->documentLayout(); + const QTextLayout *layout = block.layout(); + const QPointF layoutPos = q->blockBoundingRect(block).topLeft(); + int relativePos = position - block.position(); + if (preeditCursor != 0) { + int preeditPos = layout->preeditAreaPosition(); + if (relativePos == preeditPos) + relativePos += preeditCursor; + else if (relativePos > preeditPos) + relativePos += layout->preeditAreaText().length(); + } + QTextLine line = layout->lineForTextPosition(relativePos); + + int cursorWidth; + { + bool ok = false; +#ifndef QT_NO_PROPERTIES + cursorWidth = docLayout->property("cursorWidth").toInt(&ok); +#endif + if (!ok) + cursorWidth = 1; + } + + QRectF r; + + if (line.isValid()) { + qreal x = line.cursorToX(relativePos); + qreal w = 0; + if (overwriteMode) { + if (relativePos < line.textLength() - line.textStart()) + w = line.cursorToX(relativePos + 1) - x; + else + w = QFontMetrics(block.layout()->font()).horizontalAdvance(QLatin1Char(' ')); // in sync with QTextLine::draw() + } + r = QRectF(layoutPos.x() + x, layoutPos.y() + line.y(), + cursorWidth + w, line.height()); + } else { + r = QRectF(layoutPos.x(), layoutPos.y(), cursorWidth, 10); // #### correct height + } + + return r; +} + +namespace { +struct QTextFrameComparator { + bool operator()(QTextFrame *frame, int position) { return frame->firstPosition() < position; } + bool operator()(int position, QTextFrame *frame) { return position < frame->firstPosition(); } +}; +} + +static QRectF boundingRectOfFloatsInSelection(const QTextCursor &cursor) +{ + QRectF r; + QTextFrame *frame = cursor.currentFrame(); + const QList children = frame->childFrames(); + + const QList::ConstIterator firstFrame = std::lower_bound(children.constBegin(), children.constEnd(), + cursor.selectionStart(), QTextFrameComparator()); + const QList::ConstIterator lastFrame = std::upper_bound(children.constBegin(), children.constEnd(), + cursor.selectionEnd(), QTextFrameComparator()); + for (QList::ConstIterator it = firstFrame; it != lastFrame; ++it) { + if ((*it)->frameFormat().position() != QTextFrameFormat::InFlow) + r |= frame->document()->documentLayout()->frameBoundingRect(*it); + } + return r; +} + +QRectF QWidgetTextControl::selectionRect(const QTextCursor &cursor) const +{ + Q_D(const QWidgetTextControl); + + QRectF r = d->rectForPosition(cursor.selectionStart()); + + if (cursor.hasComplexSelection() && cursor.currentTable()) { + QTextTable *table = cursor.currentTable(); + + r = d->doc->documentLayout()->frameBoundingRect(table); + /* + int firstRow, numRows, firstColumn, numColumns; + cursor.selectedTableCells(&firstRow, &numRows, &firstColumn, &numColumns); + + const QTextTableCell firstCell = table->cellAt(firstRow, firstColumn); + const QTextTableCell lastCell = table->cellAt(firstRow + numRows - 1, firstColumn + numColumns - 1); + + const QAbstractTextDocumentLayout * const layout = doc->documentLayout(); + + QRectF tableSelRect = layout->blockBoundingRect(firstCell.firstCursorPosition().block()); + + for (int col = firstColumn; col < firstColumn + numColumns; ++col) { + const QTextTableCell cell = table->cellAt(firstRow, col); + const qreal y = layout->blockBoundingRect(cell.firstCursorPosition().block()).top(); + + tableSelRect.setTop(qMin(tableSelRect.top(), y)); + } + + for (int row = firstRow; row < firstRow + numRows; ++row) { + const QTextTableCell cell = table->cellAt(row, firstColumn); + const qreal x = layout->blockBoundingRect(cell.firstCursorPosition().block()).left(); + + tableSelRect.setLeft(qMin(tableSelRect.left(), x)); + } + + for (int col = firstColumn; col < firstColumn + numColumns; ++col) { + const QTextTableCell cell = table->cellAt(firstRow + numRows - 1, col); + const qreal y = layout->blockBoundingRect(cell.lastCursorPosition().block()).bottom(); + + tableSelRect.setBottom(qMax(tableSelRect.bottom(), y)); + } + + for (int row = firstRow; row < firstRow + numRows; ++row) { + const QTextTableCell cell = table->cellAt(row, firstColumn + numColumns - 1); + const qreal x = layout->blockBoundingRect(cell.lastCursorPosition().block()).right(); + + tableSelRect.setRight(qMax(tableSelRect.right(), x)); + } + + r = tableSelRect.toRect(); + */ + } else if (cursor.hasSelection()) { + const int position = cursor.selectionStart(); + const int anchor = cursor.selectionEnd(); + const QTextBlock posBlock = d->doc->findBlock(position); + const QTextBlock anchorBlock = d->doc->findBlock(anchor); + if (posBlock == anchorBlock && posBlock.isValid() && posBlock.layout()->lineCount()) { + const QTextLine posLine = posBlock.layout()->lineForTextPosition(position - posBlock.position()); + const QTextLine anchorLine = anchorBlock.layout()->lineForTextPosition(anchor - anchorBlock.position()); + + const int firstLine = qMin(posLine.lineNumber(), anchorLine.lineNumber()); + const int lastLine = qMax(posLine.lineNumber(), anchorLine.lineNumber()); + const QTextLayout *layout = posBlock.layout(); + r = QRectF(); + for (int i = firstLine; i <= lastLine; ++i) { + r |= layout->lineAt(i).rect(); + r |= layout->lineAt(i).naturalTextRect(); // might be bigger in the case of wrap not enabled + } + r.translate(blockBoundingRect(posBlock).topLeft()); + } else { + QRectF anchorRect = d->rectForPosition(cursor.selectionEnd()); + r |= anchorRect; + r |= boundingRectOfFloatsInSelection(cursor); + QRectF frameRect(d->doc->documentLayout()->frameBoundingRect(cursor.currentFrame())); + r.setLeft(frameRect.left()); + r.setRight(frameRect.right()); + } + if (r.isValid()) + r.adjust(-1, -1, 1, 1); + } + + return r; +} + +QRectF QWidgetTextControl::selectionRect() const +{ + Q_D(const QWidgetTextControl); + return selectionRect(d->cursor); +} + +void QWidgetTextControlPrivate::mousePressEvent(QEvent *e, Qt::MouseButton button, const QPointF &pos, Qt::KeyboardModifiers modifiers, + Qt::MouseButtons buttons, const QPoint &globalPos) +{ + Q_Q(QWidgetTextControl); + + mousePressPos = pos.toPoint(); + +#if QT_CONFIG(draganddrop) + mightStartDrag = false; +#endif + + if (sendMouseEventToInputContext( + e, QEvent::MouseButtonPress, button, pos, modifiers, buttons, globalPos)) { + return; + } + + if (interactionFlags & Qt::LinksAccessibleByMouse) { + anchorOnMousePress = q->anchorAt(pos); + + if (cursorIsFocusIndicator) { + cursorIsFocusIndicator = false; + repaintSelection(); + cursor.clearSelection(); + } + } + if (!(button & Qt::LeftButton) || + !((interactionFlags & Qt::TextSelectableByMouse) || (interactionFlags & Qt::TextEditable))) { + e->ignore(); + return; + } + bool wasValid = blockWithMarkerUnderMouse.isValid(); + blockWithMarkerUnderMouse = q->blockWithMarkerAt(pos); + if (wasValid != blockWithMarkerUnderMouse.isValid()) + emit q->blockMarkerHovered(blockWithMarkerUnderMouse); + + + cursorIsFocusIndicator = false; + const QTextCursor oldSelection = cursor; + const int oldCursorPos = cursor.position(); + + mousePressed = (interactionFlags & Qt::TextSelectableByMouse); + + commitPreedit(); + + if (trippleClickTimer.isActive() + && ((pos - trippleClickPoint).toPoint().manhattanLength() < QApplication::startDragDistance())) { + + cursor.movePosition(QTextCursor::StartOfBlock); + cursor.movePosition(QTextCursor::EndOfBlock, QTextCursor::KeepAnchor); + cursor.movePosition(QTextCursor::NextCharacter, QTextCursor::KeepAnchor); + selectedBlockOnTrippleClick = cursor; + + anchorOnMousePress = QString(); + blockWithMarkerUnderMouse = QTextBlock(); + emit q->blockMarkerHovered(blockWithMarkerUnderMouse); + + trippleClickTimer.stop(); + } else { + int cursorPos = q->hitTest(pos, Qt::FuzzyHit); + if (cursorPos == -1) { + e->ignore(); + return; + } + + if (modifiers == Qt::ShiftModifier && (interactionFlags & Qt::TextSelectableByMouse)) { + if (wordSelectionEnabled && !selectedWordOnDoubleClick.hasSelection()) { + selectedWordOnDoubleClick = cursor; + selectedWordOnDoubleClick.select(QTextCursor::WordUnderCursor); + } + + if (selectedBlockOnTrippleClick.hasSelection()) + extendBlockwiseSelection(cursorPos); + else if (selectedWordOnDoubleClick.hasSelection()) + extendWordwiseSelection(cursorPos, pos.x()); + else if (!wordSelectionEnabled) + setCursorPosition(cursorPos, QTextCursor::KeepAnchor); + } else { + + if (dragEnabled + && cursor.hasSelection() + && !cursorIsFocusIndicator + && cursorPos >= cursor.selectionStart() + && cursorPos <= cursor.selectionEnd() + && q->hitTest(pos, Qt::ExactHit) != -1) { +#if QT_CONFIG(draganddrop) + mightStartDrag = true; +#endif + return; + } + + setCursorPosition(cursorPos); + } + } + + if (interactionFlags & Qt::TextEditable) { + q->ensureCursorVisible(); + if (cursor.position() != oldCursorPos) + emit q->cursorPositionChanged(); + _q_updateCurrentCharFormatAndSelection(); + } else { + if (cursor.position() != oldCursorPos) { + emit q->cursorPositionChanged(); + emit q->microFocusChanged(); + } + selectionChanged(); + } + repaintOldAndNewSelection(oldSelection); + hadSelectionOnMousePress = cursor.hasSelection(); +} + +void QWidgetTextControlPrivate::mouseMoveEvent(QEvent *e, Qt::MouseButton button, const QPointF &mousePos, Qt::KeyboardModifiers modifiers, + Qt::MouseButtons buttons, const QPoint &globalPos) +{ + Q_Q(QWidgetTextControl); + + if (interactionFlags & Qt::LinksAccessibleByMouse) { + QString anchor = q->anchorAt(mousePos); + if (anchor != highlightedAnchor) { + highlightedAnchor = anchor; + emit q->linkHovered(anchor); + } + } + + if (buttons & Qt::LeftButton) { + const bool editable = interactionFlags & Qt::TextEditable; + + if (!(mousePressed + || editable + || mightStartDrag + || selectedWordOnDoubleClick.hasSelection() + || selectedBlockOnTrippleClick.hasSelection())) + return; + + const QTextCursor oldSelection = cursor; + const int oldCursorPos = cursor.position(); + + if (mightStartDrag) { + if ((mousePos.toPoint() - mousePressPos).manhattanLength() > QApplication::startDragDistance()) + startDrag(); + return; + } + + const qreal mouseX = qreal(mousePos.x()); + + int newCursorPos = q->hitTest(mousePos, Qt::FuzzyHit); + + if (isPreediting()) { + // note: oldCursorPos not including preedit + int selectionStartPos = q->hitTest(mousePressPos, Qt::FuzzyHit); + + if (newCursorPos != selectionStartPos) { + commitPreedit(); + // commit invalidates positions + newCursorPos = q->hitTest(mousePos, Qt::FuzzyHit); + selectionStartPos = q->hitTest(mousePressPos, Qt::FuzzyHit); + setCursorPosition(selectionStartPos); + } + } + + if (newCursorPos == -1) + return; + + if (mousePressed && wordSelectionEnabled && !selectedWordOnDoubleClick.hasSelection()) { + selectedWordOnDoubleClick = cursor; + selectedWordOnDoubleClick.select(QTextCursor::WordUnderCursor); + } + + if (selectedBlockOnTrippleClick.hasSelection()) + extendBlockwiseSelection(newCursorPos); + else if (selectedWordOnDoubleClick.hasSelection()) + extendWordwiseSelection(newCursorPos, mouseX); + else if (mousePressed && !isPreediting()) + setCursorPosition(newCursorPos, QTextCursor::KeepAnchor); + + if (interactionFlags & Qt::TextEditable) { + // don't call ensureVisible for the visible cursor to avoid jumping + // scrollbars. the autoscrolling ensures smooth scrolling if necessary. + //q->ensureCursorVisible(); + if (cursor.position() != oldCursorPos) + emit q->cursorPositionChanged(); + _q_updateCurrentCharFormatAndSelection(); +#ifndef QT_NO_IM + if (contextWidget) + QGuiApplication::inputMethod()->update(Qt::ImQueryInput); +#endif //QT_NO_IM + } else { + //emit q->visibilityRequest(QRectF(mousePos, QSizeF(1, 1))); + if (cursor.position() != oldCursorPos) { + emit q->cursorPositionChanged(); + emit q->microFocusChanged(); + } + } + selectionChanged(true); + repaintOldAndNewSelection(oldSelection); + } else { + bool wasValid = blockWithMarkerUnderMouse.isValid(); + blockWithMarkerUnderMouse = q->blockWithMarkerAt(mousePos); + if (wasValid != blockWithMarkerUnderMouse.isValid()) + emit q->blockMarkerHovered(blockWithMarkerUnderMouse); + } + + sendMouseEventToInputContext(e, QEvent::MouseMove, button, mousePos, modifiers, buttons, globalPos); +} + +void QWidgetTextControlPrivate::mouseReleaseEvent(QEvent *e, Qt::MouseButton button, const QPointF &pos, Qt::KeyboardModifiers modifiers, + Qt::MouseButtons buttons, const QPoint &globalPos) +{ + Q_Q(QWidgetTextControl); + + const QTextCursor oldSelection = cursor; + if (sendMouseEventToInputContext( + e, QEvent::MouseButtonRelease, button, pos, modifiers, buttons, globalPos)) { + repaintOldAndNewSelection(oldSelection); + return; + } + + const int oldCursorPos = cursor.position(); + +#if QT_CONFIG(draganddrop) + if (mightStartDrag && (button & Qt::LeftButton)) { + mousePressed = false; + setCursorPosition(pos); + cursor.clearSelection(); + selectionChanged(); + } +#endif + if (mousePressed) { + mousePressed = false; +#ifndef QT_NO_CLIPBOARD + setClipboardSelection(); + selectionChanged(true); + } else if (button == Qt::MiddleButton + && (interactionFlags & Qt::TextEditable) + && QGuiApplication::clipboard()->supportsSelection()) { + setCursorPosition(pos); + const QMimeData *md = QGuiApplication::clipboard()->mimeData(QClipboard::Selection); + if (md) + q->insertFromMimeData(md); +#endif + } + + repaintOldAndNewSelection(oldSelection); + + if (cursor.position() != oldCursorPos) { + emit q->cursorPositionChanged(); + emit q->microFocusChanged(); + } + + // toggle any checkbox that the user clicks + if ((interactionFlags & Qt::TextEditable) && (button & Qt::LeftButton) && + (blockWithMarkerUnderMouse.isValid()) && !cursor.hasSelection()) { + QTextBlock markerBlock = q->blockWithMarkerAt(pos); + if (markerBlock == blockWithMarkerUnderMouse) { + auto fmt = blockWithMarkerUnderMouse.blockFormat(); + switch (fmt.marker()) { + case QTextBlockFormat::MarkerType::Unchecked : + fmt.setMarker(QTextBlockFormat::MarkerType::Checked); + break; + case QTextBlockFormat::MarkerType::Checked: + fmt.setMarker(QTextBlockFormat::MarkerType::Unchecked); + break; + default: + break; + } + cursor.setBlockFormat(fmt); + } + } + + if (interactionFlags & Qt::LinksAccessibleByMouse) { + if (!(button & Qt::LeftButton)) + return; + + const QString anchor = q->anchorAt(pos); + + if (anchor.isEmpty()) + return; + + if (!cursor.hasSelection() + || (anchor == anchorOnMousePress && hadSelectionOnMousePress)) { + + const int anchorPos = q->hitTest(pos, Qt::ExactHit); + if (anchorPos != -1) { + cursor.setPosition(anchorPos); + + QString anchor = anchorOnMousePress; + anchorOnMousePress = QString(); + activateLinkUnderCursor(anchor); + } + } + } +} + +void QWidgetTextControlPrivate::mouseDoubleClickEvent(QEvent *e, Qt::MouseButton button, const QPointF &pos, + Qt::KeyboardModifiers modifiers, Qt::MouseButtons buttons, + const QPoint &globalPos) +{ + Q_Q(QWidgetTextControl); + + if (button == Qt::LeftButton + && (interactionFlags & Qt::TextSelectableByMouse)) { + +#if QT_CONFIG(draganddrop) + mightStartDrag = false; +#endif + commitPreedit(); + + const QTextCursor oldSelection = cursor; + setCursorPosition(pos); + QTextLine line = currentTextLine(cursor); + bool doEmit = false; + if (line.isValid() && line.textLength()) { + cursor.select(QTextCursor::WordUnderCursor); + doEmit = true; + } + repaintOldAndNewSelection(oldSelection); + + cursorIsFocusIndicator = false; + selectedWordOnDoubleClick = cursor; + + trippleClickPoint = pos; + trippleClickTimer.start(QApplication::doubleClickInterval(), q); + if (doEmit) { + selectionChanged(); +#ifndef QT_NO_CLIPBOARD + setClipboardSelection(); +#endif + emit q->cursorPositionChanged(); + } + } else if (!sendMouseEventToInputContext(e, QEvent::MouseButtonDblClick, button, pos, + modifiers, buttons, globalPos)) { + e->ignore(); + } +} + +bool QWidgetTextControlPrivate::sendMouseEventToInputContext( + QEvent *e, QEvent::Type eventType, Qt::MouseButton button, const QPointF &pos, + Qt::KeyboardModifiers modifiers, Qt::MouseButtons buttons, const QPoint &globalPos) +{ + Q_UNUSED(eventType); + Q_UNUSED(button); + Q_UNUSED(pos); + Q_UNUSED(modifiers); + Q_UNUSED(buttons); + Q_UNUSED(globalPos); +#if !defined(QT_NO_IM) + Q_Q(QWidgetTextControl); + + if (isPreediting()) { + QTextLayout *layout = cursor.block().layout(); + int cursorPos = q->hitTest(pos, Qt::FuzzyHit) - cursor.position(); + + if (cursorPos < 0 || cursorPos > layout->preeditAreaText().length()) + cursorPos = -1; + + if (cursorPos >= 0) { + if (eventType == QEvent::MouseButtonRelease) + QGuiApplication::inputMethod()->invokeAction(QInputMethod::Click, cursorPos); + + e->setAccepted(true); + return true; + } + } +#else + Q_UNUSED(e); +#endif + return false; +} + +void QWidgetTextControlPrivate::contextMenuEvent(const QPoint &screenPos, const QPointF &docPos, QWidget *contextWidget) +{ +#ifdef QT_NO_CONTEXTMENU + Q_UNUSED(screenPos); + Q_UNUSED(docPos); + Q_UNUSED(contextWidget); +#else + Q_Q(QWidgetTextControl); + QMenu *menu = q->createStandardContextMenu(docPos, contextWidget); + if (!menu) + return; + menu->setAttribute(Qt::WA_DeleteOnClose); + if (auto *window = static_cast(parent)->window()->windowHandle()) { + QMenuPrivate::get(menu)->topData()->initialScreenIndex = + QGuiApplication::screens().indexOf(window->screen()); + } + menu->popup(screenPos); +#endif +} + +bool QWidgetTextControlPrivate::dragEnterEvent(QEvent *e, const QMimeData *mimeData) +{ + Q_Q(QWidgetTextControl); + if (!(interactionFlags & Qt::TextEditable) || !q->canInsertFromMimeData(mimeData)) { + e->ignore(); + return false; + } + + dndFeedbackCursor = QTextCursor(); + + return true; // accept proposed action +} + +void QWidgetTextControlPrivate::dragLeaveEvent() +{ + Q_Q(QWidgetTextControl); + + const QRectF crect = q->cursorRect(dndFeedbackCursor); + dndFeedbackCursor = QTextCursor(); + + if (crect.isValid()) + emit q->updateRequest(crect); +} + +bool QWidgetTextControlPrivate::dragMoveEvent(QEvent *e, const QMimeData *mimeData, const QPointF &pos) +{ + Q_Q(QWidgetTextControl); + if (!(interactionFlags & Qt::TextEditable) || !q->canInsertFromMimeData(mimeData)) { + e->ignore(); + return false; + } + + const int cursorPos = q->hitTest(pos, Qt::FuzzyHit); + if (cursorPos != -1) { + QRectF crect = q->cursorRect(dndFeedbackCursor); + if (crect.isValid()) + emit q->updateRequest(crect); + + dndFeedbackCursor = cursor; + dndFeedbackCursor.setPosition(cursorPos); + + crect = q->cursorRect(dndFeedbackCursor); + emit q->updateRequest(crect); + } + + return true; // accept proposed action +} + +bool QWidgetTextControlPrivate::dropEvent(const QMimeData *mimeData, const QPointF &pos, Qt::DropAction dropAction, QObject *source) +{ + Q_Q(QWidgetTextControl); + dndFeedbackCursor = QTextCursor(); + + if (!(interactionFlags & Qt::TextEditable) || !q->canInsertFromMimeData(mimeData)) + return false; + + repaintSelection(); + + QTextCursor insertionCursor = q->cursorForPosition(pos); + insertionCursor.beginEditBlock(); + + if (dropAction == Qt::MoveAction && source == contextWidget) + cursor.removeSelectedText(); + + cursor = insertionCursor; + q->insertFromMimeData(mimeData); + insertionCursor.endEditBlock(); + q->ensureCursorVisible(); + return true; // accept proposed action +} + +void QWidgetTextControlPrivate::inputMethodEvent(QInputMethodEvent *e) +{ + Q_Q(QWidgetTextControl); + if (!(interactionFlags & Qt::TextEditable) || cursor.isNull()) { + e->ignore(); + return; + } + bool isGettingInput = !e->commitString().isEmpty() + || e->preeditString() != cursor.block().layout()->preeditAreaText() + || e->replacementLength() > 0; + + int oldCursorPos = cursor.position(); + + cursor.beginEditBlock(); + if (isGettingInput) { + cursor.removeSelectedText(); + } + + QTextBlock block; + + // insert commit string + if (!e->commitString().isEmpty() || e->replacementLength()) { + if (e->commitString().endsWith(QChar::LineFeed)) + block = cursor.block(); // Remember the block where the preedit text is + QTextCursor c = cursor; + c.setPosition(c.position() + e->replacementStart()); + c.setPosition(c.position() + e->replacementLength(), QTextCursor::KeepAnchor); + c.insertText(e->commitString()); + } + + for (int i = 0; i < e->attributes().size(); ++i) { + const QInputMethodEvent::Attribute &a = e->attributes().at(i); + if (a.type == QInputMethodEvent::Selection) { + QTextCursor oldCursor = cursor; + int blockStart = a.start + cursor.block().position(); + cursor.setPosition(blockStart, QTextCursor::MoveAnchor); + cursor.setPosition(blockStart + a.length, QTextCursor::KeepAnchor); + q->ensureCursorVisible(); + repaintOldAndNewSelection(oldCursor); + } + } + + if (!block.isValid()) + block = cursor.block(); + QTextLayout *layout = block.layout(); + if (isGettingInput) + layout->setPreeditArea(cursor.position() - block.position(), e->preeditString()); + QVector overrides; + overrides.reserve(e->attributes().size()); + const int oldPreeditCursor = preeditCursor; + preeditCursor = e->preeditString().length(); + hideCursor = false; + for (int i = 0; i < e->attributes().size(); ++i) { + const QInputMethodEvent::Attribute &a = e->attributes().at(i); + if (a.type == QInputMethodEvent::Cursor) { + preeditCursor = a.start; + hideCursor = !a.length; + } else if (a.type == QInputMethodEvent::TextFormat) { + QTextCharFormat f = cursor.charFormat(); + f.merge(qvariant_cast(a.value).toCharFormat()); + if (f.isValid()) { + QTextLayout::FormatRange o; + o.start = a.start + cursor.position() - block.position(); + o.length = a.length; + o.format = f; + + // Make sure list is sorted by start index + QVector::iterator it = overrides.end(); + while (it != overrides.begin()) { + QVector::iterator previous = it - 1; + if (o.start >= previous->start) { + overrides.insert(it, o); + break; + } + it = previous; + } + + if (it == overrides.begin()) + overrides.prepend(o); + } + } + } + + if (cursor.charFormat().isValid()) { + int start = cursor.position() - block.position(); + int end = start + e->preeditString().length(); + + QVector::iterator it = overrides.begin(); + while (it != overrides.end()) { + QTextLayout::FormatRange range = *it; + int rangeStart = range.start; + if (rangeStart > start) { + QTextLayout::FormatRange o; + o.start = start; + o.length = rangeStart - start; + o.format = cursor.charFormat(); + it = overrides.insert(it, o) + 1; + } + + ++it; + start = range.start + range.length; + } + + if (start < end) { + QTextLayout::FormatRange o; + o.start = start; + o.length = end - start; + o.format = cursor.charFormat(); + overrides.append(o); + } + } + layout->setFormats(overrides); + + cursor.endEditBlock(); + + if (cursor.d) + cursor.d->setX(); + if (oldCursorPos != cursor.position()) + emit q->cursorPositionChanged(); + if (oldPreeditCursor != preeditCursor) + emit q->microFocusChanged(); +} + +QVariant QWidgetTextControl::inputMethodQuery(Qt::InputMethodQuery property, QVariant argument) const +{ + Q_D(const QWidgetTextControl); + QTextBlock block = d->cursor.block(); + switch(property) { + case Qt::ImCursorRectangle: + return cursorRect(); + case Qt::ImAnchorRectangle: + return d->rectForPosition(d->cursor.anchor()); + case Qt::ImFont: + return QVariant(d->cursor.charFormat().font()); + case Qt::ImCursorPosition: { + const QPointF pt = argument.toPointF(); + if (!pt.isNull()) + return QVariant(cursorForPosition(pt).position() - block.position()); + return QVariant(d->cursor.position() - block.position()); } + case Qt::ImSurroundingText: + return QVariant(block.text()); + case Qt::ImCurrentSelection: + return QVariant(d->cursor.selectedText()); + case Qt::ImMaximumTextLength: + return QVariant(); // No limit. + case Qt::ImAnchorPosition: + return QVariant(d->cursor.anchor() - block.position()); + case Qt::ImAbsolutePosition: { + const QPointF pt = argument.toPointF(); + if (!pt.isNull()) + return QVariant(cursorForPosition(pt).position()); + return QVariant(d->cursor.position()); } + case Qt::ImTextAfterCursor: + { + int maxLength = argument.isValid() ? argument.toInt() : 1024; + QTextCursor tmpCursor = d->cursor; + int localPos = d->cursor.position() - block.position(); + QString result = block.text().mid(localPos); + while (result.length() < maxLength) { + int currentBlock = tmpCursor.blockNumber(); + tmpCursor.movePosition(QTextCursor::NextBlock); + if (tmpCursor.blockNumber() == currentBlock) + break; + result += QLatin1Char('\n') + tmpCursor.block().text(); + } + return QVariant(result); + } + case Qt::ImTextBeforeCursor: + { + int maxLength = argument.isValid() ? argument.toInt() : 1024; + QTextCursor tmpCursor = d->cursor; + int localPos = d->cursor.position() - block.position(); + int numBlocks = 0; + int resultLen = localPos; + while (resultLen < maxLength) { + int currentBlock = tmpCursor.blockNumber(); + tmpCursor.movePosition(QTextCursor::PreviousBlock); + if (tmpCursor.blockNumber() == currentBlock) + break; + numBlocks++; + resultLen += tmpCursor.block().length(); + } + QString result; + while (numBlocks) { + result += tmpCursor.block().text() + QLatin1Char('\n'); + tmpCursor.movePosition(QTextCursor::NextBlock); + --numBlocks; + } + result += block.text().midRef(0, localPos); + return QVariant(result); + } + default: + return QVariant(); + } +} + +void QWidgetTextControl::setFocus(bool focus, Qt::FocusReason reason) +{ + QFocusEvent ev(focus ? QEvent::FocusIn : QEvent::FocusOut, + reason); + processEvent(&ev); +} + +void QWidgetTextControlPrivate::focusEvent(QFocusEvent *e) +{ + Q_Q(QWidgetTextControl); + emit q->updateRequest(q->selectionRect()); + if (e->gotFocus()) { +#ifdef QT_KEYPAD_NAVIGATION + if (!QApplicationPrivate::keypadNavigationEnabled() || (hasEditFocus && (e->reason() == Qt::PopupFocusReason))) { +#endif + cursorOn = (interactionFlags & (Qt::TextSelectableByKeyboard | Qt::TextEditable)); + if (interactionFlags & Qt::TextEditable) { + setCursorVisible(true); + } +#ifdef QT_KEYPAD_NAVIGATION + } +#endif + } else { + setCursorVisible(false); + cursorOn = false; + + if (cursorIsFocusIndicator + && e->reason() != Qt::ActiveWindowFocusReason + && e->reason() != Qt::PopupFocusReason + && cursor.hasSelection()) { + cursor.clearSelection(); + } + } + hasFocus = e->gotFocus(); +} + +QString QWidgetTextControlPrivate::anchorForCursor(const QTextCursor &anchorCursor) const +{ + if (anchorCursor.hasSelection()) { + QTextCursor cursor = anchorCursor; + if (cursor.selectionStart() != cursor.position()) + cursor.setPosition(cursor.selectionStart()); + cursor.movePosition(QTextCursor::NextCharacter); + QTextCharFormat fmt = cursor.charFormat(); + if (fmt.isAnchor() && fmt.hasProperty(QTextFormat::AnchorHref)) + return fmt.stringProperty(QTextFormat::AnchorHref); + } + return QString(); +} + +#ifdef QT_KEYPAD_NAVIGATION +void QWidgetTextControlPrivate::editFocusEvent(QEvent *e) +{ + Q_Q(QWidgetTextControl); + + if (QApplicationPrivate::keypadNavigationEnabled()) { + if (e->type() == QEvent::EnterEditFocus && interactionFlags & Qt::TextEditable) { + const QTextCursor oldSelection = cursor; + const int oldCursorPos = cursor.position(); + const bool moved = cursor.movePosition(QTextCursor::End, QTextCursor::MoveAnchor); + q->ensureCursorVisible(); + if (moved) { + if (cursor.position() != oldCursorPos) + emit q->cursorPositionChanged(); + emit q->microFocusChanged(); + } + selectionChanged(); + repaintOldAndNewSelection(oldSelection); + + setBlinkingCursorEnabled(true); + } else + setBlinkingCursorEnabled(false); + } + + hasEditFocus = e->type() == QEvent::EnterEditFocus; +} +#endif + +#ifndef QT_NO_CONTEXTMENU +static inline void setActionIcon(QAction *action, const QString &name) +{ + const QIcon icon = QIcon::fromTheme(name); + if (!icon.isNull()) + action->setIcon(icon); +} + +QMenu *QWidgetTextControl::createStandardContextMenu(const QPointF &pos, QWidget *parent) +{ + Q_D(QWidgetTextControl); + + const bool showTextSelectionActions = d->interactionFlags & (Qt::TextEditable | Qt::TextSelectableByKeyboard | Qt::TextSelectableByMouse); + + d->linkToCopy = QString(); + if (!pos.isNull()) + d->linkToCopy = anchorAt(pos); + + if (d->linkToCopy.isEmpty() && !showTextSelectionActions) + return nullptr; + + QMenu *menu = new QMenu(parent); + QAction *a; + + if (d->interactionFlags & Qt::TextEditable) { + a = menu->addAction(tr("&Undo") + ACCEL_KEY(QKeySequence::Undo), this, SLOT(undo())); + a->setEnabled(d->doc->isUndoAvailable()); + a->setObjectName(QStringLiteral("edit-undo")); + setActionIcon(a, QStringLiteral("edit-undo")); + a = menu->addAction(tr("&Redo") + ACCEL_KEY(QKeySequence::Redo), this, SLOT(redo())); + a->setEnabled(d->doc->isRedoAvailable()); + a->setObjectName(QStringLiteral("edit-redo")); + setActionIcon(a, QStringLiteral("edit-redo")); + menu->addSeparator(); + +#ifndef QT_NO_CLIPBOARD + a = menu->addAction(tr("Cu&t") + ACCEL_KEY(QKeySequence::Cut), this, SLOT(cut())); + a->setEnabled(d->cursor.hasSelection()); + a->setObjectName(QStringLiteral("edit-cut")); + setActionIcon(a, QStringLiteral("edit-cut")); +#endif + } + +#ifndef QT_NO_CLIPBOARD + if (showTextSelectionActions) { + a = menu->addAction(tr("&Copy") + ACCEL_KEY(QKeySequence::Copy), this, SLOT(copy())); + a->setEnabled(d->cursor.hasSelection()); + a->setObjectName(QStringLiteral("edit-copy")); + setActionIcon(a, QStringLiteral("edit-copy")); + } + + if ((d->interactionFlags & Qt::LinksAccessibleByKeyboard) + || (d->interactionFlags & Qt::LinksAccessibleByMouse)) { + + a = menu->addAction(tr("Copy &Link Location"), this, SLOT(_q_copyLink())); + a->setEnabled(!d->linkToCopy.isEmpty()); + a->setObjectName(QStringLiteral("link-copy")); + } +#endif // QT_NO_CLIPBOARD + + if (d->interactionFlags & Qt::TextEditable) { +#ifndef QT_NO_CLIPBOARD + a = menu->addAction(tr("&Paste") + ACCEL_KEY(QKeySequence::Paste), this, SLOT(paste())); + a->setEnabled(canPaste()); + a->setObjectName(QStringLiteral("edit-paste")); + setActionIcon(a, QStringLiteral("edit-paste")); +#endif + a = menu->addAction(tr("Delete"), this, SLOT(_q_deleteSelected())); + a->setEnabled(d->cursor.hasSelection()); + a->setObjectName(QStringLiteral("edit-delete")); + setActionIcon(a, QStringLiteral("edit-delete")); + } + + + if (showTextSelectionActions) { + menu->addSeparator(); + a = menu->addAction(tr("Select All") + ACCEL_KEY(QKeySequence::SelectAll), this, SLOT(selectAll())); + a->setEnabled(!d->doc->isEmpty()); + a->setObjectName(QStringLiteral("select-all")); + setActionIcon(a, QStringLiteral("edit-select-all")); + } + + if ((d->interactionFlags & Qt::TextEditable) && QGuiApplication::styleHints()->useRtlExtensions()) { + menu->addSeparator(); + QUnicodeControlCharacterMenu *ctrlCharacterMenu = new QUnicodeControlCharacterMenu(this, menu); + menu->addMenu(ctrlCharacterMenu); + } + + return menu; +} +#endif // QT_NO_CONTEXTMENU + +QTextCursor QWidgetTextControl::cursorForPosition(const QPointF &pos) const +{ + Q_D(const QWidgetTextControl); + int cursorPos = hitTest(pos, Qt::FuzzyHit); + if (cursorPos == -1) + cursorPos = 0; + QTextCursor c(d->doc); + c.setPosition(cursorPos); + return c; +} + +QRectF QWidgetTextControl::cursorRect(const QTextCursor &cursor) const +{ + Q_D(const QWidgetTextControl); + if (cursor.isNull()) + return QRectF(); + + return d->rectForPosition(cursor.position()); +} + +QRectF QWidgetTextControl::cursorRect() const +{ + Q_D(const QWidgetTextControl); + return cursorRect(d->cursor); +} + +QRectF QWidgetTextControlPrivate::cursorRectPlusUnicodeDirectionMarkers(const QTextCursor &cursor) const +{ + if (cursor.isNull()) + return QRectF(); + + return rectForPosition(cursor.position()).adjusted(-4, 0, 4, 0); +} + +QString QWidgetTextControl::anchorAt(const QPointF &pos) const +{ + Q_D(const QWidgetTextControl); + return d->doc->documentLayout()->anchorAt(pos); +} + +QString QWidgetTextControl::anchorAtCursor() const +{ + Q_D(const QWidgetTextControl); + + return d->anchorForCursor(d->cursor); +} + +QTextBlock QWidgetTextControl::blockWithMarkerAt(const QPointF &pos) const +{ + Q_D(const QWidgetTextControl); + return d->doc->documentLayout()->blockWithMarkerAt(pos); +} + +bool QWidgetTextControl::overwriteMode() const +{ + Q_D(const QWidgetTextControl); + return d->overwriteMode; +} + +void QWidgetTextControl::setOverwriteMode(bool overwrite) +{ + Q_D(QWidgetTextControl); + d->overwriteMode = overwrite; +} + +int QWidgetTextControl::cursorWidth() const +{ +#ifndef QT_NO_PROPERTIES + Q_D(const QWidgetTextControl); + return d->doc->documentLayout()->property("cursorWidth").toInt(); +#else + return 1; +#endif +} + +void QWidgetTextControl::setCursorWidth(int width) +{ + Q_D(QWidgetTextControl); +#ifdef QT_NO_PROPERTIES + Q_UNUSED(width); +#else + if (width == -1) + width = QApplication::style()->pixelMetric(QStyle::PM_TextCursorWidth, nullptr); + d->doc->documentLayout()->setProperty("cursorWidth", width); +#endif + d->repaintCursor(); +} + +bool QWidgetTextControl::acceptRichText() const +{ + Q_D(const QWidgetTextControl); + return d->acceptRichText; +} + +void QWidgetTextControl::setAcceptRichText(bool accept) +{ + Q_D(QWidgetTextControl); + d->acceptRichText = accept; +} + +#if QT_CONFIG(textedit) + +void QWidgetTextControl::setExtraSelections(const QList &selections) +{ + Q_D(QWidgetTextControl); + + QMultiHash hash; + for (int i = 0; i < d->extraSelections.count(); ++i) { + const QAbstractTextDocumentLayout::Selection &esel = d->extraSelections.at(i); + hash.insert(esel.cursor.anchor(), i); + } + + for (int i = 0; i < selections.count(); ++i) { + const QTextEdit::ExtraSelection &sel = selections.at(i); + const auto it = hash.constFind(sel.cursor.anchor()); + if (it != hash.cend()) { + const QAbstractTextDocumentLayout::Selection &esel = d->extraSelections.at(it.value()); + if (esel.cursor.position() == sel.cursor.position() + && esel.format == sel.format) { + hash.erase(it); + continue; + } + } + QRectF r = selectionRect(sel.cursor); + if (sel.format.boolProperty(QTextFormat::FullWidthSelection)) { + r.setLeft(0); + r.setWidth(qreal(INT_MAX)); + } + emit updateRequest(r); + } + + for (QHash::iterator it = hash.begin(); it != hash.end(); ++it) { + const QAbstractTextDocumentLayout::Selection &esel = d->extraSelections.at(it.value()); + QRectF r = selectionRect(esel.cursor); + if (esel.format.boolProperty(QTextFormat::FullWidthSelection)) { + r.setLeft(0); + r.setWidth(qreal(INT_MAX)); + } + emit updateRequest(r); + } + + d->extraSelections.resize(selections.count()); + for (int i = 0; i < selections.count(); ++i) { + d->extraSelections[i].cursor = selections.at(i).cursor; + d->extraSelections[i].format = selections.at(i).format; + } +} + +QList QWidgetTextControl::extraSelections() const +{ + Q_D(const QWidgetTextControl); + QList selections; + const int numExtraSelections = d->extraSelections.count(); + selections.reserve(numExtraSelections); + for (int i = 0; i < numExtraSelections; ++i) { + QTextEdit::ExtraSelection sel; + const QAbstractTextDocumentLayout::Selection &sel2 = d->extraSelections.at(i); + sel.cursor = sel2.cursor; + sel.format = sel2.format; + selections.append(sel); + } + return selections; +} + +#endif // QT_CONFIG(textedit) + +void QWidgetTextControl::setTextWidth(qreal width) +{ + Q_D(QWidgetTextControl); + d->doc->setTextWidth(width); +} + +qreal QWidgetTextControl::textWidth() const +{ + Q_D(const QWidgetTextControl); + return d->doc->textWidth(); +} + +QSizeF QWidgetTextControl::size() const +{ + Q_D(const QWidgetTextControl); + return d->doc->size(); +} + +void QWidgetTextControl::setOpenExternalLinks(bool open) +{ + Q_D(QWidgetTextControl); + d->openExternalLinks = open; +} + +bool QWidgetTextControl::openExternalLinks() const +{ + Q_D(const QWidgetTextControl); + return d->openExternalLinks; +} + +bool QWidgetTextControl::ignoreUnusedNavigationEvents() const +{ + Q_D(const QWidgetTextControl); + return d->ignoreUnusedNavigationEvents; +} + +void QWidgetTextControl::setIgnoreUnusedNavigationEvents(bool ignore) +{ + Q_D(QWidgetTextControl); + d->ignoreUnusedNavigationEvents = ignore; +} + +void QWidgetTextControl::moveCursor(QTextCursor::MoveOperation op, QTextCursor::MoveMode mode) +{ + Q_D(QWidgetTextControl); + const QTextCursor oldSelection = d->cursor; + const bool moved = d->cursor.movePosition(op, mode); + d->_q_updateCurrentCharFormatAndSelection(); + ensureCursorVisible(); + d->repaintOldAndNewSelection(oldSelection); + if (moved) + emit cursorPositionChanged(); +} + +bool QWidgetTextControl::canPaste() const +{ +#ifndef QT_NO_CLIPBOARD + Q_D(const QWidgetTextControl); + if (d->interactionFlags & Qt::TextEditable) { + const QMimeData *md = QGuiApplication::clipboard()->mimeData(); + return md && canInsertFromMimeData(md); + } +#endif + return false; +} + +void QWidgetTextControl::setCursorIsFocusIndicator(bool b) +{ + Q_D(QWidgetTextControl); + d->cursorIsFocusIndicator = b; + d->repaintCursor(); +} + +bool QWidgetTextControl::cursorIsFocusIndicator() const +{ + Q_D(const QWidgetTextControl); + return d->cursorIsFocusIndicator; +} + + +void QWidgetTextControl::setDragEnabled(bool enabled) +{ + Q_D(QWidgetTextControl); + d->dragEnabled = enabled; +} + +bool QWidgetTextControl::isDragEnabled() const +{ + Q_D(const QWidgetTextControl); + return d->dragEnabled; +} + +void QWidgetTextControl::setWordSelectionEnabled(bool enabled) +{ + Q_D(QWidgetTextControl); + d->wordSelectionEnabled = enabled; +} + +bool QWidgetTextControl::isWordSelectionEnabled() const +{ + Q_D(const QWidgetTextControl); + return d->wordSelectionEnabled; +} + +bool QWidgetTextControl::isPreediting() +{ + return d_func()->isPreediting(); +} + +#ifndef QT_NO_PRINTER +void QWidgetTextControl::print(QPagedPaintDevice *printer) const +{ + Q_D(const QWidgetTextControl); + if (!printer) + return; + QTextDocument *tempDoc = nullptr; + const QTextDocument *doc = d->doc; + if (QPagedPaintDevicePrivate::get(printer)->printSelectionOnly) { + if (!d->cursor.hasSelection()) + return; + tempDoc = new QTextDocument(const_cast(doc)); + tempDoc->setMetaInformation(QTextDocument::DocumentTitle, doc->metaInformation(QTextDocument::DocumentTitle)); + tempDoc->setPageSize(doc->pageSize()); + tempDoc->setDefaultFont(doc->defaultFont()); + tempDoc->setUseDesignMetrics(doc->useDesignMetrics()); + QTextCursor(tempDoc).insertFragment(d->cursor.selection()); + doc = tempDoc; + + // copy the custom object handlers + doc->documentLayout()->d_func()->handlers = d->doc->documentLayout()->d_func()->handlers; + } + doc->print(printer); + delete tempDoc; +} +#endif + +QMimeData *QWidgetTextControl::createMimeDataFromSelection() const +{ + Q_D(const QWidgetTextControl); + const QTextDocumentFragment fragment(d->cursor); + return new QTextEditMimeData(fragment); +} + +bool QWidgetTextControl::canInsertFromMimeData(const QMimeData *source) const +{ + Q_D(const QWidgetTextControl); + if (d->acceptRichText) + return (source->hasText() && !source->text().isEmpty()) + || source->hasHtml() + || source->hasFormat(QLatin1String("application/x-qrichtext")) + || source->hasFormat(QLatin1String("application/x-qt-richtext")); + else + return source->hasText() && !source->text().isEmpty(); +} + +void QWidgetTextControl::insertFromMimeData(const QMimeData *source) +{ + Q_D(QWidgetTextControl); + if (!(d->interactionFlags & Qt::TextEditable) || !source) + return; + + bool hasData = false; + QTextDocumentFragment fragment; +#ifndef QT_NO_TEXTHTMLPARSER + if (source->hasFormat(QLatin1String("application/x-qrichtext")) && d->acceptRichText) { + // x-qrichtext is always UTF-8 (taken from Qt3 since we don't use it anymore). + const QString richtext = QLatin1String("") + + QString::fromUtf8(source->data(QLatin1String("application/x-qrichtext"))); + fragment = QTextDocumentFragment::fromHtml(richtext, d->doc); + hasData = true; + } else if (source->hasHtml() && d->acceptRichText) { + fragment = QTextDocumentFragment::fromHtml(source->html(), d->doc); + hasData = true; + } else { + QString text = source->text(); + if (!text.isNull()) { + fragment = QTextDocumentFragment::fromPlainText(text); + hasData = true; + } + } +#else + fragment = QTextDocumentFragment::fromPlainText(source->text()); +#endif // QT_NO_TEXTHTMLPARSER + + if (hasData) + d->cursor.insertFragment(fragment); + ensureCursorVisible(); +} + +bool QWidgetTextControl::findNextPrevAnchor(const QTextCursor &startCursor, bool next, QTextCursor &newAnchor) +{ + Q_D(QWidgetTextControl); + + int anchorStart = -1; + QString anchorHref; + int anchorEnd = -1; + + if (next) { + const int startPos = startCursor.selectionEnd(); + + QTextBlock block = d->doc->findBlock(startPos); + QTextBlock::Iterator it = block.begin(); + + while (!it.atEnd() && it.fragment().position() < startPos) + ++it; + + while (block.isValid()) { + anchorStart = -1; + + // find next anchor + for (; !it.atEnd(); ++it) { + const QTextFragment fragment = it.fragment(); + const QTextCharFormat fmt = fragment.charFormat(); + + if (fmt.isAnchor() && fmt.hasProperty(QTextFormat::AnchorHref)) { + anchorStart = fragment.position(); + anchorHref = fmt.anchorHref(); + break; + } + } + + if (anchorStart != -1) { + anchorEnd = -1; + + // find next non-anchor fragment + for (; !it.atEnd(); ++it) { + const QTextFragment fragment = it.fragment(); + const QTextCharFormat fmt = fragment.charFormat(); + + if (!fmt.isAnchor() || fmt.anchorHref() != anchorHref) { + anchorEnd = fragment.position(); + break; + } + } + + if (anchorEnd == -1) + anchorEnd = block.position() + block.length() - 1; + + // make found selection + break; + } + + block = block.next(); + it = block.begin(); + } + } else { + int startPos = startCursor.selectionStart(); + if (startPos > 0) + --startPos; + + QTextBlock block = d->doc->findBlock(startPos); + QTextBlock::Iterator blockStart = block.begin(); + QTextBlock::Iterator it = block.end(); + + if (startPos == block.position()) { + it = block.begin(); + } else { + do { + if (it == blockStart) { + it = QTextBlock::Iterator(); + block = QTextBlock(); + } else { + --it; + } + } while (!it.atEnd() && it.fragment().position() + it.fragment().length() - 1 > startPos); + } + + while (block.isValid()) { + anchorStart = -1; + + if (!it.atEnd()) { + do { + const QTextFragment fragment = it.fragment(); + const QTextCharFormat fmt = fragment.charFormat(); + + if (fmt.isAnchor() && fmt.hasProperty(QTextFormat::AnchorHref)) { + anchorStart = fragment.position() + fragment.length(); + anchorHref = fmt.anchorHref(); + break; + } + + if (it == blockStart) + it = QTextBlock::Iterator(); + else + --it; + } while (!it.atEnd()); + } + + if (anchorStart != -1 && !it.atEnd()) { + anchorEnd = -1; + + do { + const QTextFragment fragment = it.fragment(); + const QTextCharFormat fmt = fragment.charFormat(); + + if (!fmt.isAnchor() || fmt.anchorHref() != anchorHref) { + anchorEnd = fragment.position() + fragment.length(); + break; + } + + if (it == blockStart) + it = QTextBlock::Iterator(); + else + --it; + } while (!it.atEnd()); + + if (anchorEnd == -1) + anchorEnd = qMax(0, block.position()); + + break; + } + + block = block.previous(); + it = block.end(); + if (it != block.begin()) + --it; + blockStart = block.begin(); + } + + } + + if (anchorStart != -1 && anchorEnd != -1) { + newAnchor = d->cursor; + newAnchor.setPosition(anchorStart); + newAnchor.setPosition(anchorEnd, QTextCursor::KeepAnchor); + return true; + } + + return false; +} + +void QWidgetTextControlPrivate::activateLinkUnderCursor(QString href) +{ + QTextCursor oldCursor = cursor; + + if (href.isEmpty()) { + QTextCursor tmp = cursor; + if (tmp.selectionStart() != tmp.position()) + tmp.setPosition(tmp.selectionStart()); + tmp.movePosition(QTextCursor::NextCharacter); + href = tmp.charFormat().anchorHref(); + } + if (href.isEmpty()) + return; + + if (!cursor.hasSelection()) { + QTextBlock block = cursor.block(); + const int cursorPos = cursor.position(); + + QTextBlock::Iterator it = block.begin(); + QTextBlock::Iterator linkFragment; + + for (; !it.atEnd(); ++it) { + QTextFragment fragment = it.fragment(); + const int fragmentPos = fragment.position(); + if (fragmentPos <= cursorPos && + fragmentPos + fragment.length() > cursorPos) { + linkFragment = it; + break; + } + } + + if (!linkFragment.atEnd()) { + it = linkFragment; + cursor.setPosition(it.fragment().position()); + if (it != block.begin()) { + do { + --it; + QTextFragment fragment = it.fragment(); + if (fragment.charFormat().anchorHref() != href) + break; + cursor.setPosition(fragment.position()); + } while (it != block.begin()); + } + + for (it = linkFragment; !it.atEnd(); ++it) { + QTextFragment fragment = it.fragment(); + if (fragment.charFormat().anchorHref() != href) + break; + cursor.setPosition(fragment.position() + fragment.length(), QTextCursor::KeepAnchor); + } + } + } + + if (hasFocus) { + cursorIsFocusIndicator = true; + } else { + cursorIsFocusIndicator = false; + cursor.clearSelection(); + } + repaintOldAndNewSelection(oldCursor); + +#ifndef QT_NO_DESKTOPSERVICES + if (openExternalLinks) + QDesktopServices::openUrl(href); + else +#endif + emit q_func()->linkActivated(href); +} + +#ifndef QT_NO_TOOLTIP +void QWidgetTextControlPrivate::showToolTip(const QPoint &globalPos, const QPointF &pos, QWidget *contextWidget) +{ + const QString toolTip = q_func()->cursorForPosition(pos).charFormat().toolTip(); + if (toolTip.isEmpty()) + return; + QToolTip::showText(globalPos, toolTip, contextWidget); +} +#endif // QT_NO_TOOLTIP + +bool QWidgetTextControlPrivate::isPreediting() const +{ + QTextLayout *layout = cursor.block().layout(); + if (layout && !layout->preeditAreaText().isEmpty()) + return true; + + return false; +} + +void QWidgetTextControlPrivate::commitPreedit() +{ + if (!isPreediting()) + return; + + QGuiApplication::inputMethod()->commit(); + + if (!isPreediting()) + return; + + cursor.beginEditBlock(); + preeditCursor = 0; + QTextBlock block = cursor.block(); + QTextLayout *layout = block.layout(); + layout->setPreeditArea(-1, QString()); + layout->clearFormats(); + cursor.endEditBlock(); +} + +bool QWidgetTextControl::setFocusToNextOrPreviousAnchor(bool next) +{ + Q_D(QWidgetTextControl); + + if (!(d->interactionFlags & Qt::LinksAccessibleByKeyboard)) + return false; + + QRectF crect = selectionRect(); + emit updateRequest(crect); + + // If we don't have a current anchor, we start from the start/end + if (!d->cursor.hasSelection()) { + d->cursor = QTextCursor(d->doc); + if (next) + d->cursor.movePosition(QTextCursor::Start); + else + d->cursor.movePosition(QTextCursor::End); + } + + QTextCursor newAnchor; + if (findNextPrevAnchor(d->cursor, next, newAnchor)) { + d->cursor = newAnchor; + d->cursorIsFocusIndicator = true; + } else { + d->cursor.clearSelection(); + } + + if (d->cursor.hasSelection()) { + crect = selectionRect(); + emit updateRequest(crect); + emit visibilityRequest(crect); + return true; + } else { + return false; + } +} + +bool QWidgetTextControl::setFocusToAnchor(const QTextCursor &newCursor) +{ + Q_D(QWidgetTextControl); + + if (!(d->interactionFlags & Qt::LinksAccessibleByKeyboard)) + return false; + + // Verify that this is an anchor. + const QString anchorHref = d->anchorForCursor(newCursor); + if (anchorHref.isEmpty()) + return false; + + // and process it + QRectF crect = selectionRect(); + emit updateRequest(crect); + + d->cursor.setPosition(newCursor.selectionStart()); + d->cursor.setPosition(newCursor.selectionEnd(), QTextCursor::KeepAnchor); + d->cursorIsFocusIndicator = true; + + crect = selectionRect(); + emit updateRequest(crect); + emit visibilityRequest(crect); + return true; +} + +void QWidgetTextControl::setTextInteractionFlags(Qt::TextInteractionFlags flags) +{ + Q_D(QWidgetTextControl); + if (flags == d->interactionFlags) + return; + d->interactionFlags = flags; + + if (d->hasFocus) + d->setCursorVisible(flags & Qt::TextEditable); +} + +Qt::TextInteractionFlags QWidgetTextControl::textInteractionFlags() const +{ + Q_D(const QWidgetTextControl); + return d->interactionFlags; +} + +void QWidgetTextControl::mergeCurrentCharFormat(const QTextCharFormat &modifier) +{ + Q_D(QWidgetTextControl); + d->cursor.mergeCharFormat(modifier); + d->updateCurrentCharFormat(); +} + +void QWidgetTextControl::setCurrentCharFormat(const QTextCharFormat &format) +{ + Q_D(QWidgetTextControl); + d->cursor.setCharFormat(format); + d->updateCurrentCharFormat(); +} + +QTextCharFormat QWidgetTextControl::currentCharFormat() const +{ + Q_D(const QWidgetTextControl); + return d->cursor.charFormat(); +} + +void QWidgetTextControl::insertPlainText(const QString &text) +{ + Q_D(QWidgetTextControl); + d->cursor.insertText(text); +} + +#ifndef QT_NO_TEXTHTMLPARSER +void QWidgetTextControl::insertHtml(const QString &text) +{ + Q_D(QWidgetTextControl); + d->cursor.insertHtml(text); +} +#endif // QT_NO_TEXTHTMLPARSER + +QPointF QWidgetTextControl::anchorPosition(const QString &name) const +{ + Q_D(const QWidgetTextControl); + if (name.isEmpty()) + return QPointF(); + + QRectF r; + for (QTextBlock block = d->doc->begin(); block.isValid(); block = block.next()) { + QTextCharFormat format = block.charFormat(); + if (format.isAnchor() && format.anchorNames().contains(name)) { + r = d->rectForPosition(block.position()); + break; + } + + for (QTextBlock::Iterator it = block.begin(); !it.atEnd(); ++it) { + QTextFragment fragment = it.fragment(); + format = fragment.charFormat(); + if (format.isAnchor() && format.anchorNames().contains(name)) { + r = d->rectForPosition(fragment.position()); + block = QTextBlock(); + break; + } + } + } + if (!r.isValid()) + return QPointF(); + return QPointF(0, r.top()); +} + +void QWidgetTextControl::adjustSize() +{ + Q_D(QWidgetTextControl); + d->doc->adjustSize(); +} + +bool QWidgetTextControl::find(const QString &exp, QTextDocument::FindFlags options) +{ + Q_D(QWidgetTextControl); + QTextCursor search = d->doc->find(exp, d->cursor, options); + if (search.isNull()) + return false; + + setTextCursor(search); + return true; +} + +#ifndef QT_NO_REGEXP +bool QWidgetTextControl::find(const QRegExp &exp, QTextDocument::FindFlags options) +{ + Q_D(QWidgetTextControl); + QTextCursor search = d->doc->find(exp, d->cursor, options); + if (search.isNull()) + return false; + + setTextCursor(search); + return true; +} +#endif + +#if QT_CONFIG(regularexpression) +bool QWidgetTextControl::find(const QRegularExpression &exp, QTextDocument::FindFlags options) +{ + Q_D(QWidgetTextControl); + QTextCursor search = d->doc->find(exp, d->cursor, options); + if (search.isNull()) + return false; + + setTextCursor(search); + return true; +} +#endif + +QString QWidgetTextControl::toPlainText() const +{ + return document()->toPlainText(); +} + +#ifndef QT_NO_TEXTHTMLPARSER +QString QWidgetTextControl::toHtml() const +{ + return document()->toHtml(); +} +#endif + +#if QT_CONFIG(textmarkdownwriter) +QString QWidgetTextControl::toMarkdown(QTextDocument::MarkdownFeatures features) const +{ + return document()->toMarkdown(features); +} +#endif + +void QWidgetTextControlPrivate::append(const QString &text, Qt::TextFormat format) +{ + QTextCursor tmp(doc); + tmp.beginEditBlock(); + tmp.movePosition(QTextCursor::End); + + if (!doc->isEmpty()) + tmp.insertBlock(cursor.blockFormat(), cursor.charFormat()); + else + tmp.setCharFormat(cursor.charFormat()); + + // preserve the char format + QTextCharFormat oldCharFormat = cursor.charFormat(); + +#ifndef QT_NO_TEXTHTMLPARSER + if (format == Qt::RichText || (format == Qt::AutoText && Qt::mightBeRichText(text))) { + tmp.insertHtml(text); + } else { + tmp.insertText(text); + } +#else + Q_UNUSED(format); + tmp.insertText(text); +#endif // QT_NO_TEXTHTMLPARSER + if (!cursor.hasSelection()) + cursor.setCharFormat(oldCharFormat); + + tmp.endEditBlock(); +} + +void QWidgetTextControl::append(const QString &text) +{ + Q_D(QWidgetTextControl); + d->append(text, Qt::AutoText); +} + +void QWidgetTextControl::appendHtml(const QString &html) +{ + Q_D(QWidgetTextControl); + d->append(html, Qt::RichText); +} + +void QWidgetTextControl::appendPlainText(const QString &text) +{ + Q_D(QWidgetTextControl); + d->append(text, Qt::PlainText); +} + + +void QWidgetTextControl::ensureCursorVisible() +{ + Q_D(QWidgetTextControl); + QRectF crect = d->rectForPosition(d->cursor.position()).adjusted(-5, 0, 5, 0); + emit visibilityRequest(crect); + emit microFocusChanged(); +} + +QPalette QWidgetTextControl::palette() const +{ + Q_D(const QWidgetTextControl); + return d->palette; +} + +void QWidgetTextControl::setPalette(const QPalette &pal) +{ + Q_D(QWidgetTextControl); + d->palette = pal; +} + +QAbstractTextDocumentLayout::PaintContext QWidgetTextControl::getPaintContext(QWidget *widget) const +{ + Q_D(const QWidgetTextControl); + + QAbstractTextDocumentLayout::PaintContext ctx; + + ctx.selections = d->extraSelections; + ctx.palette = d->palette; +#if QT_CONFIG(style_stylesheet) + if (widget) { + if (auto cssStyle = qt_styleSheet(widget->style())) { + QStyleOption option; + option.initFrom(widget); + cssStyle->styleSheetPalette(widget, &option, &ctx.palette); + } + } +#endif // style_stylesheet + if (d->cursorOn && d->isEnabled) { + if (d->hideCursor) + ctx.cursorPosition = -1; + else if (d->preeditCursor != 0) + ctx.cursorPosition = - (d->preeditCursor + 2); + else + ctx.cursorPosition = d->cursor.position(); + } + + if (!d->dndFeedbackCursor.isNull()) + ctx.cursorPosition = d->dndFeedbackCursor.position(); +#ifdef QT_KEYPAD_NAVIGATION + if (!QApplicationPrivate::keypadNavigationEnabled() || d->hasEditFocus) +#endif + if (d->cursor.hasSelection()) { + QAbstractTextDocumentLayout::Selection selection; + selection.cursor = d->cursor; + if (d->cursorIsFocusIndicator) { + QStyleOption opt; + opt.palette = ctx.palette; + QStyleHintReturnVariant ret; + QStyle *style = QApplication::style(); + if (widget) + style = widget->style(); + style->styleHint(QStyle::SH_TextControl_FocusIndicatorTextCharFormat, &opt, widget, &ret); + selection.format = qvariant_cast(ret.variant).toCharFormat(); + } else { + QPalette::ColorGroup cg = d->hasFocus ? QPalette::Active : QPalette::Inactive; + selection.format.setBackground(ctx.palette.brush(cg, QPalette::Highlight)); + selection.format.setForeground(ctx.palette.brush(cg, QPalette::HighlightedText)); + QStyleOption opt; + QStyle *style = QApplication::style(); + if (widget) { + opt.initFrom(widget); + style = widget->style(); + } + if (style->styleHint(QStyle::SH_RichText_FullWidthSelection, &opt, widget)) + selection.format.setProperty(QTextFormat::FullWidthSelection, true); + } + ctx.selections.append(selection); + } + + return ctx; +} + +void QWidgetTextControl::drawContents(QPainter *p, const QRectF &rect, QWidget *widget) +{ + Q_D(QWidgetTextControl); + p->save(); + QAbstractTextDocumentLayout::PaintContext ctx = getPaintContext(widget); + if (rect.isValid()) + p->setClipRect(rect, Qt::IntersectClip); + ctx.clip = rect; + + d->doc->documentLayout()->draw(p, ctx); + p->restore(); +} + +void QWidgetTextControlPrivate::_q_copyLink() +{ +#ifndef QT_NO_CLIPBOARD + QMimeData *md = new QMimeData; + md->setText(linkToCopy); + QGuiApplication::clipboard()->setMimeData(md); +#endif +} + +int QWidgetTextControl::hitTest(const QPointF &point, Qt::HitTestAccuracy accuracy) const +{ + Q_D(const QWidgetTextControl); + return d->doc->documentLayout()->hitTest(point, accuracy); +} + +QRectF QWidgetTextControl::blockBoundingRect(const QTextBlock &block) const +{ + Q_D(const QWidgetTextControl); + return d->doc->documentLayout()->blockBoundingRect(block); +} + +#ifndef QT_NO_CONTEXTMENU +#define NUM_CONTROL_CHARACTERS 14 +const struct QUnicodeControlCharacter { + const char *text; + ushort character; +} qt_controlCharacters[NUM_CONTROL_CHARACTERS] = { + { QT_TRANSLATE_NOOP("QUnicodeControlCharacterMenu", "LRM Left-to-right mark"), 0x200e }, + { QT_TRANSLATE_NOOP("QUnicodeControlCharacterMenu", "RLM Right-to-left mark"), 0x200f }, + { QT_TRANSLATE_NOOP("QUnicodeControlCharacterMenu", "ZWJ Zero width joiner"), 0x200d }, + { QT_TRANSLATE_NOOP("QUnicodeControlCharacterMenu", "ZWNJ Zero width non-joiner"), 0x200c }, + { QT_TRANSLATE_NOOP("QUnicodeControlCharacterMenu", "ZWSP Zero width space"), 0x200b }, + { QT_TRANSLATE_NOOP("QUnicodeControlCharacterMenu", "LRE Start of left-to-right embedding"), 0x202a }, + { QT_TRANSLATE_NOOP("QUnicodeControlCharacterMenu", "RLE Start of right-to-left embedding"), 0x202b }, + { QT_TRANSLATE_NOOP("QUnicodeControlCharacterMenu", "LRO Start of left-to-right override"), 0x202d }, + { QT_TRANSLATE_NOOP("QUnicodeControlCharacterMenu", "RLO Start of right-to-left override"), 0x202e }, + { QT_TRANSLATE_NOOP("QUnicodeControlCharacterMenu", "PDF Pop directional formatting"), 0x202c }, + { QT_TRANSLATE_NOOP("QUnicodeControlCharacterMenu", "LRI Left-to-right isolate"), 0x2066 }, + { QT_TRANSLATE_NOOP("QUnicodeControlCharacterMenu", "RLI Right-to-left isolate"), 0x2067 }, + { QT_TRANSLATE_NOOP("QUnicodeControlCharacterMenu", "FSI First strong isolate"), 0x2068 }, + { QT_TRANSLATE_NOOP("QUnicodeControlCharacterMenu", "PDI Pop directional isolate"), 0x2069 } +}; + +QUnicodeControlCharacterMenu::QUnicodeControlCharacterMenu(QObject *_editWidget, QWidget *parent) + : QMenu(parent), editWidget(_editWidget) +{ + setTitle(tr("Insert Unicode control character")); + for (int i = 0; i < NUM_CONTROL_CHARACTERS; ++i) { + addAction(tr(qt_controlCharacters[i].text), this, SLOT(menuActionTriggered())); + } +} + +void QUnicodeControlCharacterMenu::menuActionTriggered() +{ + QAction *a = qobject_cast(sender()); + int idx = actions().indexOf(a); + if (idx < 0 || idx >= NUM_CONTROL_CHARACTERS) + return; + QChar c(qt_controlCharacters[idx].character); + QString str(c); + +#if QT_CONFIG(textedit) + if (QTextEdit *edit = qobject_cast(editWidget)) { + edit->insertPlainText(str); + return; + } +#endif + if (QWidgetTextControl *control = qobject_cast(editWidget)) { + control->insertPlainText(str); + } +#if QT_CONFIG(lineedit) + if (QLineEdit *edit = qobject_cast(editWidget)) { + edit->insert(str); + return; + } +#endif +} +#endif // QT_NO_CONTEXTMENU + +QStringList QTextEditMimeData::formats() const +{ + if (!fragment.isEmpty()) + return QStringList() << QString::fromLatin1("text/plain") << QString::fromLatin1("text/html") +#ifndef QT_NO_TEXTODFWRITER + << QString::fromLatin1("application/vnd.oasis.opendocument.text") +#endif + ; + else + return QMimeData::formats(); +} + +QVariant QTextEditMimeData::retrieveData(const QString &mimeType, QVariant::Type type) const +{ + if (!fragment.isEmpty()) + setup(); + return QMimeData::retrieveData(mimeType, type); +} + +void QTextEditMimeData::setup() const +{ + QTextEditMimeData *that = const_cast(this); +#ifndef QT_NO_TEXTHTMLPARSER + that->setData(QLatin1String("text/html"), fragment.toHtml("utf-8").toUtf8()); +#endif +#ifndef QT_NO_TEXTODFWRITER + { + QBuffer buffer; + QTextDocumentWriter writer(&buffer, "ODF"); + writer.write(fragment); + buffer.close(); + that->setData(QLatin1String("application/vnd.oasis.opendocument.text"), buffer.data()); + } +#endif + that->setText(fragment.toPlainText()); + fragment = QTextDocumentFragment(); +} + +QT_END_NAMESPACE + +#include "moc_qwidgettextcontrol_p.cpp" + +#endif // QT_NO_TEXTCONTROL