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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this
+** file. Please review the following information to ensure the GNU Lesser
+** General Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qtextcontrol_p.h"
+#include "qtextcontrol_p_p.h"
+
+#ifndef QT_NO_TEXTCONTROL
+
+#include <qfont.h>
+#include <qpainter.h>
+#include <qevent.h>
+#include <qdebug.h>
+#include <qmime.h>
+#include <qdrag.h>
+#include <qclipboard.h>
+#include <qmenu.h>
+#include <qstyle.h>
+#include <qtimer.h>
+#include "private/qtextdocumentlayout_p.h"
+#include "private/qabstracttextdocumentlayout_p.h"
+#include "private/qtextedit_p.h"
+#include "qtextdocument.h"
+#include "private/qtextdocument_p.h"
+#include "qtextlist.h"
+#include "private/qtextcontrol_p.h"
+#include "qgraphicssceneevent.h"
+#include "qprinter.h"
+#include "qtextdocumentwriter.h"
+#include "private/qtextcursor_p.h"
+
+#include <qtextformat.h>
+#include <qdatetime.h>
+#include <qbuffer.h>
+#include <qapplication.h>
+#include <limits.h>
+#include <qtexttable.h>
+#include <qvariant.h>
+#include <qurl.h>
+#include <qdesktopservices.h>
+#include <qinputcontext.h>
+#include <qtooltip.h>
+#include <qstyleoption.h>
+#include <QtWidgets/qlineedit.h>
+
+#ifndef QT_NO_SHORTCUT
+#include "private/qapplication_p.h"
+#include "private/qshortcutmap_p.h"
+#include <qkeysequence.h>
+#define ACCEL_KEY(k) (!qApp->d_func()->shortcutMap.hasShortcutForKeySequence(k) ? QLatin1Char('\t') + QString(QKeySequence(k)) : QString())
+#else
+#define ACCEL_KEY(k) QString()
+#endif
+
+QT_BEGIN_NAMESPACE
+
+#ifndef QT_NO_CONTEXTMENU
+#if defined(Q_WS_WIN) || defined(Q_WS_X11)
+extern bool qt_use_rtl_extensions;
+#endif
+#endif
+
+// 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);
+}
+
+QTextControlPrivate::QTextControlPrivate()
+ : doc(0), cursorOn(false), cursorIsFocusIndicator(false),
+ interactionFlags(Qt::TextEditorInteraction),
+ dragEnabled(true),
+#ifndef QT_NO_DRAGANDDROP
+ mousePressed(false), mightStartDrag(false),
+#endif
+ lastSelectionState(false), 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 QTextControlPrivate::cursorMoveKeyEvent(QKeyEvent *e)
+{
+#ifdef QT_NO_SHORTCUT
+ Q_UNUSED(e);
+#endif
+
+ Q_Q(QTextControl);
+ 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;
+ }
+ 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::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, Mac 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 || QApplication::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 QTextControlPrivate::updateCurrentCharFormat()
+{
+ Q_Q(QTextControl);
+
+ QTextCharFormat fmt = cursor.charFormat();
+ if (fmt == lastCharFormat)
+ return;
+ lastCharFormat = fmt;
+
+ emit q->currentCharFormatChanged(fmt);
+ emit q->microFocusChanged();
+}
+
+void QTextControlPrivate::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 QTextControlPrivate::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 QTextControlPrivate::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 QTextControlPrivate::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 QTextControlPrivate::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 QTextControlPrivate::init(Qt::TextFormat format, const QString &text, QTextDocument *document)
+{
+ Q_Q(QTextControl);
+ setContent(format, text, document);
+
+ doc->setUndoRedoEnabled(interactionFlags & Qt::TextEditable);
+ q->setCursorWidth(-1);
+}
+
+void QTextControlPrivate::setContent(Qt::TextFormat format, const QString &text, QTextDocument *document)
+{
+ Q_Q(QTextControl);
+
+ // 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("QTextControl");
+ 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 = QTextDocument::staticMetaObject.indexOfSignal("contentsChanged()");
+ static int textChangedIndex = QTextControl::staticMetaObject.indexOfSignal("textChanged()");
+ // 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();
+ } 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();
+}
+
+void QTextControlPrivate::startDrag()
+{
+#ifndef QT_NO_DRAGANDDROP
+ Q_Q(QTextControl);
+ 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 QTextControlPrivate::setCursorPosition(const QPointF &pos)
+{
+ Q_Q(QTextControl);
+ const int cursorPos = q->hitTest(pos, Qt::FuzzyHit);
+ if (cursorPos == -1)
+ return;
+ cursor.setPosition(cursorPos);
+}
+
+void QTextControlPrivate::setCursorPosition(int pos, QTextCursor::MoveMode mode)
+{
+ cursor.setPosition(pos, mode);
+
+ if (mode != QTextCursor::KeepAnchor) {
+ selectedWordOnDoubleClick = QTextCursor();
+ selectedBlockOnTrippleClick = QTextCursor();
+ }
+}
+
+void QTextControlPrivate::repaintCursor()
+{
+ Q_Q(QTextControl);
+ emit q->updateRequest(cursorRectPlusUnicodeDirectionMarkers(cursor));
+}
+
+void QTextControlPrivate::repaintOldAndNewSelection(const QTextCursor &oldSelection)
+{
+ Q_Q(QTextControl);
+ 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 QTextControlPrivate::selectionChanged(bool forceEmitSelectionChanged /*=false*/)
+{
+ Q_Q(QTextControl);
+ if (forceEmitSelectionChanged)
+ emit q->selectionChanged();
+
+ bool current = cursor.hasSelection();
+ if (current == lastSelectionState)
+ return;
+
+ lastSelectionState = current;
+ emit q->copyAvailable(current);
+ if (!forceEmitSelectionChanged)
+ emit q->selectionChanged();
+ emit q->microFocusChanged();
+}
+
+void QTextControlPrivate::_q_updateCurrentCharFormatAndSelection()
+{
+ updateCurrentCharFormat();
+ selectionChanged();
+}
+
+#ifndef QT_NO_CLIPBOARD
+void QTextControlPrivate::setClipboardSelection()
+{
+ QClipboard *clipboard = QApplication::clipboard();
+ if (!cursor.hasSelection() || !clipboard->supportsSelection())
+ return;
+ Q_Q(QTextControl);
+ QMimeData *data = q->createMimeDataFromSelection();
+ clipboard->setMimeData(data, QClipboard::Selection);
+}
+#endif
+
+void QTextControlPrivate::_q_emitCursorPosChanged(const QTextCursor &someCursor)
+{
+ Q_Q(QTextControl);
+ if (someCursor.isCopyOf(cursor)) {
+ emit q->cursorPositionChanged();
+ emit q->microFocusChanged();
+ }
+}
+
+void QTextControlPrivate::_q_documentLayoutChanged()
+{
+ Q_Q(QTextControl);
+ 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 QTextControlPrivate::setBlinkingCursorEnabled(bool enable)
+{
+ Q_Q(QTextControl);
+
+ if (enable && QApplication::cursorFlashTime() > 0)
+ cursorBlinkTimer.start(QApplication::cursorFlashTime() / 2, q);
+ else
+ cursorBlinkTimer.stop();
+
+ cursorOn = enable;
+
+ repaintCursor();
+}
+
+void QTextControlPrivate::extendWordwiseSelection(int suggestedNewPosition, qreal mouseXPosition)
+{
+ Q_Q(QTextControl);
+
+ // 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 (mouseXPosition < wordStartX || mouseXPosition > wordEndX)
+ return;
+
+ // 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 QTextControlPrivate::extendBlockwiseSelection(int suggestedNewPosition)
+{
+ Q_Q(QTextControl);
+
+ // 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 QTextControlPrivate::_q_deleteSelected()
+{
+ if (!(interactionFlags & Qt::TextEditable) || !cursor.hasSelection())
+ return;
+ cursor.removeSelectedText();
+}
+
+void QTextControl::undo()
+{
+ Q_D(QTextControl);
+ d->repaintSelection();
+ const int oldCursorPos = d->cursor.position();
+ d->doc->undo(&d->cursor);
+ if (d->cursor.position() != oldCursorPos)
+ emit cursorPositionChanged();
+ emit microFocusChanged();
+ ensureCursorVisible();
+}
+
+void QTextControl::redo()
+{
+ Q_D(QTextControl);
+ d->repaintSelection();
+ const int oldCursorPos = d->cursor.position();
+ d->doc->redo(&d->cursor);
+ if (d->cursor.position() != oldCursorPos)
+ emit cursorPositionChanged();
+ emit microFocusChanged();
+ ensureCursorVisible();
+}
+
+QTextControl::QTextControl(QObject *parent)
+ : QObject(*new QTextControlPrivate, parent)
+{
+ Q_D(QTextControl);
+ d->init();
+}
+
+QTextControl::QTextControl(const QString &text, QObject *parent)
+ : QObject(*new QTextControlPrivate, parent)
+{
+ Q_D(QTextControl);
+ d->init(Qt::RichText, text);
+}
+
+QTextControl::QTextControl(QTextDocument *doc, QObject *parent)
+ : QObject(*new QTextControlPrivate, parent)
+{
+ Q_D(QTextControl);
+ d->init(Qt::RichText, QString(), doc);
+}
+
+QTextControl::~QTextControl()
+{
+}
+
+void QTextControl::setDocument(QTextDocument *document)
+{
+ Q_D(QTextControl);
+ if (d->doc == document)
+ return;
+
+ d->doc->disconnect(this);
+ d->doc->documentLayout()->disconnect(this);
+ d->doc->documentLayout()->setPaintDevice(0);
+
+ if (d->doc->parent() == this)
+ delete d->doc;
+
+ d->doc = 0;
+ d->setContent(Qt::RichText, QString(), document);
+}
+
+QTextDocument *QTextControl::document() const
+{
+ Q_D(const QTextControl);
+ return d->doc;
+}
+
+void QTextControl::setTextCursor(const QTextCursor &cursor)
+{
+ Q_D(QTextControl);
+ 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::TextEditable);
+ d->_q_updateCurrentCharFormatAndSelection();
+ ensureCursorVisible();
+ d->repaintOldAndNewSelection(oldSelection);
+ if (posChanged)
+ emit cursorPositionChanged();
+}
+
+QTextCursor QTextControl::textCursor() const
+{
+ Q_D(const QTextControl);
+ return d->cursor;
+}
+
+#ifndef QT_NO_CLIPBOARD
+
+void QTextControl::cut()
+{
+ Q_D(QTextControl);
+ if (!(d->interactionFlags & Qt::TextEditable) || !d->cursor.hasSelection())
+ return;
+ copy();
+ d->cursor.removeSelectedText();
+}
+
+void QTextControl::copy()
+{
+ Q_D(QTextControl);
+ if (!d->cursor.hasSelection())
+ return;
+ QMimeData *data = createMimeDataFromSelection();
+ QApplication::clipboard()->setMimeData(data);
+}
+
+void QTextControl::paste(QClipboard::Mode mode)
+{
+ const QMimeData *md = QApplication::clipboard()->mimeData(mode);
+ if (md)
+ insertFromMimeData(md);
+}
+#endif
+
+void QTextControl::clear()
+{
+ Q_D(QTextControl);
+ // clears and sets empty content
+ d->extraSelections.clear();
+ d->setContent();
+}
+
+
+void QTextControl::selectAll()
+{
+ Q_D(QTextControl);
+ 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 QTextControl::processEvent(QEvent *e, const QPointF &coordinateOffset, QWidget *contextWidget)
+{
+ QMatrix m;
+ m.translate(coordinateOffset.x(), coordinateOffset.y());
+ processEvent(e, m, contextWidget);
+}
+
+void QTextControl::processEvent(QEvent *e, const QMatrix &matrix, QWidget *contextWidget)
+{
+ Q_D(QTextControl);
+ if (d->interactionFlags == Qt::NoTextInteraction) {
+ e->ignore();
+ return;
+ }
+
+ d->contextWidget = contextWidget;
+
+ if (!d->contextWidget) {
+ switch (e->type()) {
+#ifndef QT_NO_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<QGraphicsSceneEvent *>(e);
+ d->contextWidget = ev->widget();
+ break;
+ }
+#endif // QT_NO_GRAPHICSVIEW
+ default: break;
+ };
+ }
+
+ switch (e->type()) {
+ case QEvent::KeyPress:
+ d->keyPressEvent(static_cast<QKeyEvent *>(e));
+ break;
+ case QEvent::MouseButtonPress: {
+ QMouseEvent *ev = static_cast<QMouseEvent *>(e);
+ d->mousePressEvent(ev, ev->button(), matrix.map(ev->pos()), ev->modifiers(),
+ ev->buttons(), ev->globalPos());
+ break; }
+ case QEvent::MouseMove: {
+ QMouseEvent *ev = static_cast<QMouseEvent *>(e);
+ d->mouseMoveEvent(ev, ev->button(), matrix.map(ev->pos()), ev->modifiers(),
+ ev->buttons(), ev->globalPos());
+ break; }
+ case QEvent::MouseButtonRelease: {
+ QMouseEvent *ev = static_cast<QMouseEvent *>(e);
+ d->mouseReleaseEvent(ev, ev->button(), matrix.map(ev->pos()), ev->modifiers(),
+ ev->buttons(), ev->globalPos());
+ break; }
+ case QEvent::MouseButtonDblClick: {
+ QMouseEvent *ev = static_cast<QMouseEvent *>(e);
+ d->mouseDoubleClickEvent(ev, ev->button(), matrix.map(ev->pos()), ev->modifiers(),
+ ev->buttons(), ev->globalPos());
+ break; }
+ case QEvent::InputMethod:
+ d->inputMethodEvent(static_cast<QInputMethodEvent *>(e));
+ break;
+#ifndef QT_NO_CONTEXTMENU
+ case QEvent::ContextMenu: {
+ QContextMenuEvent *ev = static_cast<QContextMenuEvent *>(e);
+ d->contextMenuEvent(ev->globalPos(), matrix.map(ev->pos()), contextWidget);
+ break; }
+#endif // QT_NO_CONTEXTMENU
+ case QEvent::FocusIn:
+ case QEvent::FocusOut:
+ d->focusEvent(static_cast<QFocusEvent *>(e));
+ break;
+
+ case QEvent::EnabledChange:
+ d->isEnabled = e->isAccepted();
+ break;
+
+#ifndef QT_NO_TOOLTIP
+ case QEvent::ToolTip: {
+ QHelpEvent *ev = static_cast<QHelpEvent *>(e);
+ d->showToolTip(ev->globalPos(), matrix.map(ev->pos()), contextWidget);
+ break;
+ }
+#endif // QT_NO_TOOLTIP
+
+#ifndef QT_NO_DRAGANDDROP
+ case QEvent::DragEnter: {
+ QDragEnterEvent *ev = static_cast<QDragEnterEvent *>(e);
+ if (d->dragEnterEvent(e, ev->mimeData()))
+ ev->acceptProposedAction();
+ break;
+ }
+ case QEvent::DragLeave:
+ d->dragLeaveEvent();
+ break;
+ case QEvent::DragMove: {
+ QDragMoveEvent *ev = static_cast<QDragMoveEvent *>(e);
+ if (d->dragMoveEvent(e, ev->mimeData(), matrix.map(ev->pos())))
+ ev->acceptProposedAction();
+ break;
+ }
+ case QEvent::Drop: {
+ QDropEvent *ev = static_cast<QDropEvent *>(e);
+ if (d->dropEvent(ev->mimeData(), matrix.map(ev->pos()), ev->dropAction(), ev->source()))
+ ev->acceptProposedAction();
+ break;
+ }
+#endif
+
+#ifndef QT_NO_GRAPHICSVIEW
+ case QEvent::GraphicsSceneMousePress: {
+ QGraphicsSceneMouseEvent *ev = static_cast<QGraphicsSceneMouseEvent *>(e);
+ d->mousePressEvent(ev, ev->button(), matrix.map(ev->pos()), ev->modifiers(), ev->buttons(),
+ ev->screenPos());
+ break; }
+ case QEvent::GraphicsSceneMouseMove: {
+ QGraphicsSceneMouseEvent *ev = static_cast<QGraphicsSceneMouseEvent *>(e);
+ d->mouseMoveEvent(ev, ev->button(), matrix.map(ev->pos()), ev->modifiers(), ev->buttons(),
+ ev->screenPos());
+ break; }
+ case QEvent::GraphicsSceneMouseRelease: {
+ QGraphicsSceneMouseEvent *ev = static_cast<QGraphicsSceneMouseEvent *>(e);
+ d->mouseReleaseEvent(ev, ev->button(), matrix.map(ev->pos()), ev->modifiers(), ev->buttons(),
+ ev->screenPos());
+ break; }
+ case QEvent::GraphicsSceneMouseDoubleClick: {
+ QGraphicsSceneMouseEvent *ev = static_cast<QGraphicsSceneMouseEvent *>(e);
+ d->mouseDoubleClickEvent(ev, ev->button(), matrix.map(ev->pos()), ev->modifiers(), ev->buttons(),
+ ev->screenPos());
+ break; }
+ case QEvent::GraphicsSceneContextMenu: {
+ QGraphicsSceneContextMenuEvent *ev = static_cast<QGraphicsSceneContextMenuEvent *>(e);
+ d->contextMenuEvent(ev->screenPos(), matrix.map(ev->pos()), contextWidget);
+ break; }
+
+ case QEvent::GraphicsSceneHoverMove: {
+ QGraphicsSceneHoverEvent *ev = static_cast<QGraphicsSceneHoverEvent *>(e);
+ d->mouseMoveEvent(ev, Qt::NoButton, matrix.map(ev->pos()), ev->modifiers(),Qt::NoButton,
+ ev->screenPos());
+ break; }
+
+ case QEvent::GraphicsSceneDragEnter: {
+ QGraphicsSceneDragDropEvent *ev = static_cast<QGraphicsSceneDragDropEvent *>(e);
+ if (d->dragEnterEvent(e, ev->mimeData()))
+ ev->acceptProposedAction();
+ break; }
+ case QEvent::GraphicsSceneDragLeave:
+ d->dragLeaveEvent();
+ break;
+ case QEvent::GraphicsSceneDragMove: {
+ QGraphicsSceneDragDropEvent *ev = static_cast<QGraphicsSceneDragDropEvent *>(e);
+ if (d->dragMoveEvent(e, ev->mimeData(), matrix.map(ev->pos())))
+ ev->acceptProposedAction();
+ break; }
+ case QEvent::GraphicsSceneDrop: {
+ QGraphicsSceneDragDropEvent *ev = static_cast<QGraphicsSceneDragDropEvent *>(e);
+ if (d->dropEvent(ev->mimeData(), matrix.map(ev->pos()), ev->dropAction(), ev->source()))
+ ev->accept();
+ break; }
+#endif // QT_NO_GRAPHICSVIEW
+#ifdef QT_KEYPAD_NAVIGATION
+ case QEvent::EnterEditFocus:
+ case QEvent::LeaveEditFocus:
+ if (QApplication::keypadNavigationEnabled())
+ d->editFocusEvent(e);
+ break;
+#endif
+ case QEvent::ShortcutOverride:
+ if (d->interactionFlags & Qt::TextEditable) {
+ QKeyEvent* ke = static_cast<QKeyEvent *>(e);
+ if (ke->modifiers() == Qt::NoModifier
+ || ke->modifiers() == Qt::ShiftModifier
+ || ke->modifiers() == Qt::KeypadModifier) {
+ if (ke->key() < Qt::Key_Escape) {
+ ke->accept();
+ } else {
+ switch (ke->key()) {
+ case Qt::Key_Return:
+ case Qt::Key_Enter:
+ case Qt::Key_Delete:
+ case Qt::Key_Home:
+ case Qt::Key_End:
+ case Qt::Key_Backspace:
+ case Qt::Key_Left:
+ case Qt::Key_Right:
+ case Qt::Key_Up:
+ case Qt::Key_Down:
+ case Qt::Key_Tab:
+ ke->accept();
+ default:
+ break;
+ }
+ }
+#ifndef QT_NO_SHORTCUT
+ } else if (ke == QKeySequence::Copy
+ || ke == QKeySequence::Paste
+ || ke == QKeySequence::Cut
+ || ke == QKeySequence::Redo
+ || ke == QKeySequence::Undo
+ || ke == QKeySequence::MoveToNextWord
+ || ke == QKeySequence::MoveToPreviousWord
+ || ke == QKeySequence::MoveToStartOfDocument
+ || ke == QKeySequence::MoveToEndOfDocument
+ || ke == QKeySequence::SelectNextWord
+ || ke == QKeySequence::SelectPreviousWord
+ || ke == QKeySequence::SelectStartOfLine
+ || ke == QKeySequence::SelectEndOfLine
+ || ke == QKeySequence::SelectStartOfBlock
+ || ke == QKeySequence::SelectEndOfBlock
+ || ke == QKeySequence::SelectStartOfDocument
+ || ke == QKeySequence::SelectEndOfDocument
+ || ke == QKeySequence::SelectAll
+ ) {
+ ke->accept();
+#endif
+ }
+ }
+ break;
+ default:
+ break;
+ }
+}
+
+bool QTextControl::event(QEvent *e)
+{
+ return QObject::event(e);
+}
+
+void QTextControl::timerEvent(QTimerEvent *e)
+{
+ Q_D(QTextControl);
+ 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 QTextControl::setPlainText(const QString &text)
+{
+ Q_D(QTextControl);
+ d->setContent(Qt::PlainText, text);
+}
+
+void QTextControl::setHtml(const QString &text)
+{
+ Q_D(QTextControl);
+ d->setContent(Qt::RichText, text);
+}
+
+void QTextControlPrivate::keyPressEvent(QKeyEvent *e)
+{
+ Q_Q(QTextControl);
+#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();
+ }
+ 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;
+#ifdef Q_WS_X11
+ if (e->modifiers() == (Qt::CTRL | Qt::SHIFT) && e->key() == Qt::Key_Insert)
+ mode = QClipboard::Selection;
+#endif
+ q->paste(mode);
+ }
+#endif
+ else if (e == QKeySequence::Delete) {
+ QTextCursor localCursor = cursor;
+ localCursor.deleteChar();
+ }
+ 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:
+ {
+ QString text = e->text();
+ if (!text.isEmpty() && (text.at(0).isPrint() || text.at(0) == QLatin1Char('\t'))) {
+ if (overwriteMode
+ // no need to call deleteChar() if we have a selection, insertText
+ // does it already
+ && !cursor.hasSelection()
+ && !cursor.atBlockEnd())
+ cursor.deleteChar();
+
+ cursor.insertText(text);
+ selectionChanged();
+ } else {
+ e->ignore();
+ return;
+ }
+ }
+
+ accept:
+
+ e->accept();
+ cursorOn = true;
+
+ q->ensureCursorVisible();
+
+ updateCurrentCharFormat();
+}
+
+QVariant QTextControl::loadResource(int type, const QUrl &name)
+{
+#ifdef QT_NO_TEXTEDIT
+ Q_UNUSED(type);
+ Q_UNUSED(name);
+#else
+ if (QTextEdit *textEdit = qobject_cast<QTextEdit *>(parent())) {
+ QUrl resolvedName = textEdit->d_func()->resolveUrl(name);
+ return textEdit->loadResource(type, resolvedName);
+ }
+#endif
+ return QVariant();
+}
+
+void QTextControlPrivate::_q_updateBlock(const QTextBlock &block)
+{
+ Q_Q(QTextControl);
+ QRectF br = q->blockBoundingRect(block);
+ br.setRight(qreal(INT_MAX)); // the block might have shrunk
+ emit q->updateRequest(br);
+}
+
+QRectF QTextControlPrivate::rectForPosition(int position) const
+{
+ Q_Q(const QTextControl);
+ 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()).width(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;
+}
+
+static inline bool firstFramePosLessThanCursorPos(QTextFrame *frame, int position)
+{
+ return frame->firstPosition() < position;
+}
+
+static inline bool cursorPosLessThanLastFramePos(int position, QTextFrame *frame)
+{
+ return position < frame->lastPosition();
+}
+
+static QRectF boundingRectOfFloatsInSelection(const QTextCursor &cursor)
+{
+ QRectF r;
+ QTextFrame *frame = cursor.currentFrame();
+ const QList<QTextFrame *> children = frame->childFrames();
+
+ const QList<QTextFrame *>::ConstIterator firstFrame = qLowerBound(children.constBegin(), children.constEnd(),
+ cursor.selectionStart(), firstFramePosLessThanCursorPos);
+ const QList<QTextFrame *>::ConstIterator lastFrame = qUpperBound(children.constBegin(), children.constEnd(),
+ cursor.selectionEnd(), cursorPosLessThanLastFramePos);
+ for (QList<QTextFrame *>::ConstIterator it = firstFrame; it != lastFrame; ++it) {
+ if ((*it)->frameFormat().position() != QTextFrameFormat::InFlow)
+ r |= frame->document()->documentLayout()->frameBoundingRect(*it);
+ }
+ return r;
+}
+
+QRectF QTextControl::selectionRect(const QTextCursor &cursor) const
+{
+ Q_D(const QTextControl);
+
+ 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 QTextControl::selectionRect() const
+{
+ Q_D(const QTextControl);
+ return selectionRect(d->cursor);
+}
+
+void QTextControlPrivate::mousePressEvent(QEvent *e, Qt::MouseButton button, const QPointF &pos, Qt::KeyboardModifiers modifiers,
+ Qt::MouseButtons buttons, const QPoint &globalPos)
+{
+ Q_Q(QTextControl);
+
+ 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;
+ }
+
+ cursorIsFocusIndicator = false;
+ const QTextCursor oldSelection = cursor;
+ const int oldCursorPos = cursor.position();
+
+ mousePressed = (interactionFlags & Qt::TextSelectableByMouse);
+#ifndef QT_NO_DRAGANDDROP
+ mightStartDrag = false;
+#endif
+
+ 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();
+
+ 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) {
+#ifndef QT_NO_DRAGANDDROP
+ mightStartDrag = true;
+ dragStartPos = pos.toPoint();
+#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();
+ selectionChanged();
+ }
+ repaintOldAndNewSelection(oldSelection);
+ hadSelectionOnMousePress = cursor.hasSelection();
+}
+
+void QTextControlPrivate::mouseMoveEvent(QEvent *e, Qt::MouseButton button, const QPointF &mousePos, Qt::KeyboardModifiers modifiers,
+ Qt::MouseButtons buttons, const QPoint &globalPos)
+{
+ Q_Q(QTextControl);
+
+ if (sendMouseEventToInputContext(
+ e, QEvent::MouseMove, button, mousePos, modifiers, buttons, globalPos)) {
+ return;
+ }
+
+ if (interactionFlags & Qt::LinksAccessibleByMouse) {
+ QString anchor = q->anchorAt(mousePos);
+ if (anchor != highlightedAnchor) {
+ highlightedAnchor = anchor;
+ emit q->linkHovered(anchor);
+ }
+ }
+
+ if (!(buttons & Qt::LeftButton))
+ return;
+
+ 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() - dragStartPos).manhattanLength() > QApplication::startDragDistance())
+ startDrag();
+ return;
+ }
+
+ if (!mousePressed)
+ return;
+
+ const qreal mouseX = qreal(mousePos.x());
+
+ int newCursorPos = q->hitTest(mousePos, Qt::FuzzyHit);
+ if (newCursorPos == -1)
+ return;
+
+ if (wordSelectionEnabled && !selectedWordOnDoubleClick.hasSelection()) {
+ selectedWordOnDoubleClick = cursor;
+ selectedWordOnDoubleClick.select(QTextCursor::WordUnderCursor);
+ }
+
+ if (selectedBlockOnTrippleClick.hasSelection())
+ extendBlockwiseSelection(newCursorPos);
+ else if (selectedWordOnDoubleClick.hasSelection())
+ extendWordwiseSelection(newCursorPos, mouseX);
+ else
+ 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) {
+ if (QInputContext *ic = inputContext()) {
+ ic->update();
+ }
+ }
+#endif //QT_NO_IM
+ } else {
+ //emit q->visibilityRequest(QRectF(mousePos, QSizeF(1, 1)));
+ if (cursor.position() != oldCursorPos)
+ emit q->cursorPositionChanged();
+ }
+ selectionChanged(true);
+ repaintOldAndNewSelection(oldSelection);
+}
+
+void QTextControlPrivate::mouseReleaseEvent(QEvent *e, Qt::MouseButton button, const QPointF &pos, Qt::KeyboardModifiers modifiers,
+ Qt::MouseButtons buttons, const QPoint &globalPos)
+{
+ Q_Q(QTextControl);
+
+ if (sendMouseEventToInputContext(
+ e, QEvent::MouseButtonRelease, button, pos, modifiers, buttons, globalPos)) {
+ return;
+ }
+
+ const QTextCursor oldSelection = cursor;
+ const int oldCursorPos = cursor.position();
+
+#ifndef QT_NO_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::MidButton
+ && (interactionFlags & Qt::TextEditable)
+ && QApplication::clipboard()->supportsSelection()) {
+ setCursorPosition(pos);
+ const QMimeData *md = QApplication::clipboard()->mimeData(QClipboard::Selection);
+ if (md)
+ q->insertFromMimeData(md);
+#endif
+ }
+
+ repaintOldAndNewSelection(oldSelection);
+
+ if (cursor.position() != oldCursorPos)
+ emit q->cursorPositionChanged();
+
+ 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 QTextControlPrivate::mouseDoubleClickEvent(QEvent *e, Qt::MouseButton button, const QPointF &pos, Qt::KeyboardModifiers modifiers,
+ Qt::MouseButtons buttons, const QPoint &globalPos)
+{
+ Q_Q(QTextControl);
+
+ if (sendMouseEventToInputContext(
+ e, QEvent::MouseButtonDblClick, button, pos, modifiers, buttons, globalPos)) {
+ return;
+ }
+
+ if (button != Qt::LeftButton
+ || !(interactionFlags & Qt::TextSelectableByMouse)) {
+ e->ignore();
+ return;
+ }
+
+#ifndef QT_NO_DRAGANDDROP
+ mightStartDrag = false;
+#endif
+ 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();
+ }
+}
+
+bool QTextControlPrivate::sendMouseEventToInputContext(
+ QEvent *e, QEvent::Type eventType, Qt::MouseButton button, const QPointF &pos,
+ Qt::KeyboardModifiers modifiers, Qt::MouseButtons buttons, const QPoint &globalPos)
+{
+#if !defined(QT_NO_IM)
+ Q_Q(QTextControl);
+
+ QTextLayout *layout = cursor.block().layout();
+ if (contextWidget && layout && !layout->preeditAreaText().isEmpty()) {
+ QInputContext *ctx = inputContext();
+ int cursorPos = q->hitTest(pos, Qt::FuzzyHit) - cursor.position();
+
+ if (cursorPos < 0 || cursorPos > layout->preeditAreaText().length()) {
+ cursorPos = -1;
+ // don't send move events outside the preedit area
+ if (eventType == QEvent::MouseMove)
+ return true;
+ }
+ if (ctx) {
+ QMouseEvent ev(eventType, contextWidget->mapFromGlobal(globalPos), globalPos,
+ button, buttons, modifiers);
+ ctx->mouseHandler(cursorPos, &ev);
+ e->setAccepted(ev.isAccepted());
+ }
+ if (!layout->preeditAreaText().isEmpty())
+ return true;
+ }
+#else
+ Q_UNUSED(e);
+ Q_UNUSED(eventType);
+ Q_UNUSED(button);
+ Q_UNUSED(pos);
+ Q_UNUSED(modifiers);
+ Q_UNUSED(buttons);
+ Q_UNUSED(globalPos);
+#endif
+ return false;
+}
+
+void QTextControlPrivate::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(QTextControl);
+ if (!hasFocus)
+ return;
+ QMenu *menu = q->createStandardContextMenu(docPos, contextWidget);
+ if (!menu)
+ return;
+ menu->setAttribute(Qt::WA_DeleteOnClose);
+ menu->popup(screenPos);
+#endif
+}
+
+bool QTextControlPrivate::dragEnterEvent(QEvent *e, const QMimeData *mimeData)
+{
+ Q_Q(QTextControl);
+ if (!(interactionFlags & Qt::TextEditable) || !q->canInsertFromMimeData(mimeData)) {
+ e->ignore();
+ return false;
+ }
+
+ dndFeedbackCursor = QTextCursor();
+
+ return true; // accept proposed action
+}
+
+void QTextControlPrivate::dragLeaveEvent()
+{
+ Q_Q(QTextControl);
+
+ const QRectF crect = q->cursorRect(dndFeedbackCursor);
+ dndFeedbackCursor = QTextCursor();
+
+ if (crect.isValid())
+ emit q->updateRequest(crect);
+}
+
+bool QTextControlPrivate::dragMoveEvent(QEvent *e, const QMimeData *mimeData, const QPointF &pos)
+{
+ Q_Q(QTextControl);
+ 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 QTextControlPrivate::dropEvent(const QMimeData *mimeData, const QPointF &pos, Qt::DropAction dropAction, QWidget *source)
+{
+ Q_Q(QTextControl);
+ 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 QTextControlPrivate::inputMethodEvent(QInputMethodEvent *e)
+{
+ Q_Q(QTextControl);
+ if (!(interactionFlags & Qt::TextEditable) || cursor.isNull()) {
+ e->ignore();
+ return;
+ }
+ bool isGettingInput = !e->commitString().isEmpty()
+ || e->preeditString() != cursor.block().layout()->preeditAreaText()
+ || e->replacementLength() > 0;
+
+ cursor.beginEditBlock();
+ if (isGettingInput) {
+ cursor.removeSelectedText();
+ }
+
+ // insert commit string
+ if (!e->commitString().isEmpty() || e->replacementLength()) {
+ 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);
+ }
+ }
+
+ QTextBlock block = cursor.block();
+ QTextLayout *layout = block.layout();
+ if (isGettingInput)
+ layout->setPreeditArea(cursor.position() - block.position(), e->preeditString());
+ QList<QTextLayout::FormatRange> overrides;
+ 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 = qvariant_cast<QTextFormat>(a.value).toCharFormat();
+ if (f.isValid()) {
+ QTextLayout::FormatRange o;
+ o.start = a.start + cursor.position() - block.position();
+ o.length = a.length;
+ o.format = f;
+ overrides.append(o);
+ }
+ }
+ }
+ layout->setAdditionalFormats(overrides);
+ cursor.endEditBlock();
+ if (cursor.d)
+ cursor.d->setX();
+ if (oldPreeditCursor != preeditCursor)
+ emit q->microFocusChanged();
+}
+
+QVariant QTextControl::inputMethodQuery(Qt::InputMethodQuery property) const
+{
+ Q_D(const QTextControl);
+ QTextBlock block = d->cursor.block();
+ switch(property) {
+ case Qt::ImMicroFocus:
+ return cursorRect();
+ case Qt::ImFont:
+ return QVariant(d->cursor.charFormat().font());
+ case Qt::ImCursorPosition:
+ 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(qBound(0, d->cursor.anchor() - block.position(), block.length()));
+ default:
+ return QVariant();
+ }
+}
+
+void QTextControl::setFocus(bool focus, Qt::FocusReason reason)
+{
+ QFocusEvent ev(focus ? QEvent::FocusIn : QEvent::FocusOut,
+ reason);
+ processEvent(&ev);
+}
+
+void QTextControlPrivate::focusEvent(QFocusEvent *e)
+{
+ Q_Q(QTextControl);
+ emit q->updateRequest(q->selectionRect());
+ if (e->gotFocus()) {
+#ifdef QT_KEYPAD_NAVIGATION
+ if (!QApplication::keypadNavigationEnabled() || (hasEditFocus && (e->reason() == Qt::PopupFocusReason
+#ifdef Q_OS_SYMBIAN
+ || e->reason() == Qt::ActiveWindowFocusReason
+#endif
+ ))) {
+#endif
+ cursorOn = (interactionFlags & Qt::TextSelectableByKeyboard);
+ if (interactionFlags & Qt::TextEditable) {
+ setBlinkingCursorEnabled(true);
+ }
+#ifdef QT_KEYPAD_NAVIGATION
+ }
+#endif
+ } else {
+ setBlinkingCursorEnabled(false);
+
+ if (cursorIsFocusIndicator
+ && e->reason() != Qt::ActiveWindowFocusReason
+ && e->reason() != Qt::PopupFocusReason
+ && cursor.hasSelection()) {
+ cursor.clearSelection();
+ }
+ }
+ hasFocus = e->gotFocus();
+}
+
+QString QTextControlPrivate::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 QTextControlPrivate::editFocusEvent(QEvent *e)
+{
+ Q_Q(QTextControl);
+
+ if (QApplication::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 ? true : false;
+}
+#endif
+
+#ifndef QT_NO_CONTEXTMENU
+QMenu *QTextControl::createStandardContextMenu(const QPointF &pos, QWidget *parent)
+{
+ Q_D(QTextControl);
+
+ 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 0;
+
+ 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 = menu->addAction(tr("&Redo") + ACCEL_KEY(QKeySequence::Redo), this, SLOT(redo()));
+ a->setEnabled(d->doc->isRedoAvailable());
+ menu->addSeparator();
+
+ a = menu->addAction(tr("Cu&t") + ACCEL_KEY(QKeySequence::Cut), this, SLOT(cut()));
+ a->setEnabled(d->cursor.hasSelection());
+ }
+
+ if (showTextSelectionActions) {
+ a = menu->addAction(tr("&Copy") + ACCEL_KEY(QKeySequence::Copy), this, SLOT(copy()));
+ a->setEnabled(d->cursor.hasSelection());
+ }
+
+ 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());
+ }
+
+ if (d->interactionFlags & Qt::TextEditable) {
+#if !defined(QT_NO_CLIPBOARD)
+ a = menu->addAction(tr("&Paste") + ACCEL_KEY(QKeySequence::Paste), this, SLOT(paste()));
+ a->setEnabled(canPaste());
+#endif
+ a = menu->addAction(tr("Delete"), this, SLOT(_q_deleteSelected()));
+ a->setEnabled(d->cursor.hasSelection());
+ }
+
+
+ if (showTextSelectionActions) {
+ menu->addSeparator();
+ a = menu->addAction(tr("Select All") + ACCEL_KEY(QKeySequence::SelectAll), this, SLOT(selectAll()));
+ a->setEnabled(!d->doc->isEmpty());
+ }
+
+#if !defined(QT_NO_IM)
+ if (d->contextWidget) {
+ QInputContext *qic = d->inputContext();
+ if (qic) {
+ QList<QAction *> imActions = qic->actions();
+ for (int i = 0; i < imActions.size(); ++i)
+ menu->addAction(imActions.at(i));
+ }
+ }
+#endif
+
+#if defined(Q_WS_WIN) || defined(Q_WS_X11)
+ if ((d->interactionFlags & Qt::TextEditable) && qt_use_rtl_extensions) {
+#else
+ if (d->interactionFlags & Qt::TextEditable) {
+#endif
+ menu->addSeparator();
+ QUnicodeControlCharacterMenu *ctrlCharacterMenu = new QUnicodeControlCharacterMenu(this, menu);
+ menu->addMenu(ctrlCharacterMenu);
+ }
+
+ return menu;
+}
+#endif // QT_NO_CONTEXTMENU
+
+QTextCursor QTextControl::cursorForPosition(const QPointF &pos) const
+{
+ Q_D(const QTextControl);
+ int cursorPos = hitTest(pos, Qt::FuzzyHit);
+ if (cursorPos == -1)
+ cursorPos = 0;
+ QTextCursor c(d->doc);
+ c.setPosition(cursorPos);
+ return c;
+}
+
+QRectF QTextControl::cursorRect(const QTextCursor &cursor) const
+{
+ Q_D(const QTextControl);
+ if (cursor.isNull())
+ return QRectF();
+
+ return d->rectForPosition(cursor.position());
+}
+
+QRectF QTextControl::cursorRect() const
+{
+ Q_D(const QTextControl);
+ return cursorRect(d->cursor);
+}
+
+QRectF QTextControlPrivate::cursorRectPlusUnicodeDirectionMarkers(const QTextCursor &cursor) const
+{
+ if (cursor.isNull())
+ return QRectF();
+
+ return rectForPosition(cursor.position()).adjusted(-4, 0, 4, 0);
+}
+
+QString QTextControl::anchorAt(const QPointF &pos) const
+{
+ Q_D(const QTextControl);
+ return d->doc->documentLayout()->anchorAt(pos);
+}
+
+QString QTextControl::anchorAtCursor() const
+{
+ Q_D(const QTextControl);
+
+ return d->anchorForCursor(d->cursor);
+}
+
+bool QTextControl::overwriteMode() const
+{
+ Q_D(const QTextControl);
+ return d->overwriteMode;
+}
+
+void QTextControl::setOverwriteMode(bool overwrite)
+{
+ Q_D(QTextControl);
+ d->overwriteMode = overwrite;
+}
+
+int QTextControl::cursorWidth() const
+{
+#ifndef QT_NO_PROPERTIES
+ Q_D(const QTextControl);
+ return d->doc->documentLayout()->property("cursorWidth").toInt();
+#else
+ return 1;
+#endif
+}
+
+void QTextControl::setCursorWidth(int width)
+{
+ Q_D(QTextControl);
+#ifdef QT_NO_PROPERTIES
+ Q_UNUSED(width);
+#else
+ if (width == -1)
+ width = QApplication::style()->pixelMetric(QStyle::PM_TextCursorWidth);
+ d->doc->documentLayout()->setProperty("cursorWidth", width);
+#endif
+ d->repaintCursor();
+}
+
+bool QTextControl::acceptRichText() const
+{
+ Q_D(const QTextControl);
+ return d->acceptRichText;
+}
+
+void QTextControl::setAcceptRichText(bool accept)
+{
+ Q_D(QTextControl);
+ d->acceptRichText = accept;
+}
+
+#ifndef QT_NO_TEXTEDIT
+
+void QTextControl::setExtraSelections(const QList<QTextEdit::ExtraSelection> &selections)
+{
+ Q_D(QTextControl);
+
+ QHash<int, int> hash;
+ for (int i = 0; i < d->extraSelections.count(); ++i) {
+ const QAbstractTextDocumentLayout::Selection &esel = d->extraSelections.at(i);
+ hash.insertMulti(esel.cursor.anchor(), i);
+ }
+
+ for (int i = 0; i < selections.count(); ++i) {
+ const QTextEdit::ExtraSelection &sel = selections.at(i);
+ QHash<int, int>::iterator it = hash.find(sel.cursor.anchor());
+ if (it != hash.end()) {
+ 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<int, int>::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<QTextEdit::ExtraSelection> QTextControl::extraSelections() const
+{
+ Q_D(const QTextControl);
+ QList<QTextEdit::ExtraSelection> selections;
+ for (int i = 0; i < d->extraSelections.count(); ++i) {
+ QTextEdit::ExtraSelection sel;
+ sel.cursor = d->extraSelections.at(i).cursor;
+ sel.format = d->extraSelections.at(i).format;
+ selections.append(sel);
+ }
+ return selections;
+}
+
+#endif // QT_NO_TEXTEDIT
+
+void QTextControl::setTextWidth(qreal width)
+{
+ Q_D(QTextControl);
+ d->doc->setTextWidth(width);
+}
+
+qreal QTextControl::textWidth() const
+{
+ Q_D(const QTextControl);
+ return d->doc->textWidth();
+}
+
+QSizeF QTextControl::size() const
+{
+ Q_D(const QTextControl);
+ return d->doc->size();
+}
+
+void QTextControl::setOpenExternalLinks(bool open)
+{
+ Q_D(QTextControl);
+ d->openExternalLinks = open;
+}
+
+bool QTextControl::openExternalLinks() const
+{
+ Q_D(const QTextControl);
+ return d->openExternalLinks;
+}
+
+bool QTextControl::ignoreUnusedNavigationEvents() const
+{
+ Q_D(const QTextControl);
+ return d->ignoreUnusedNavigationEvents;
+}
+
+void QTextControl::setIgnoreUnusedNavigationEvents(bool ignore)
+{
+ Q_D(QTextControl);
+ d->ignoreUnusedNavigationEvents = ignore;
+}
+
+void QTextControl::moveCursor(QTextCursor::MoveOperation op, QTextCursor::MoveMode mode)
+{
+ Q_D(QTextControl);
+ 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 QTextControl::canPaste() const
+{
+#ifndef QT_NO_CLIPBOARD
+ Q_D(const QTextControl);
+ if (d->interactionFlags & Qt::TextEditable) {
+ const QMimeData *md = QApplication::clipboard()->mimeData();
+ return md && canInsertFromMimeData(md);
+ }
+#endif
+ return false;
+}
+
+void QTextControl::setCursorIsFocusIndicator(bool b)
+{
+ Q_D(QTextControl);
+ d->cursorIsFocusIndicator = b;
+ d->repaintCursor();
+}
+
+bool QTextControl::cursorIsFocusIndicator() const
+{
+ Q_D(const QTextControl);
+ return d->cursorIsFocusIndicator;
+}
+
+
+void QTextControl::setDragEnabled(bool enabled)
+{
+ Q_D(QTextControl);
+ d->dragEnabled = enabled;
+}
+
+bool QTextControl::isDragEnabled() const
+{
+ Q_D(const QTextControl);
+ return d->dragEnabled;
+}
+
+void QTextControl::setWordSelectionEnabled(bool enabled)
+{
+ Q_D(QTextControl);
+ d->wordSelectionEnabled = enabled;
+}
+
+bool QTextControl::isWordSelectionEnabled() const
+{
+ Q_D(const QTextControl);
+ return d->wordSelectionEnabled;
+}
+
+#ifndef QT_NO_PRINTER
+void QTextControl::print(QPrinter *printer) const
+{
+#ifndef QT_NO_PRINTER
+ Q_D(const QTextControl);
+ if (!printer || !printer->isValid())
+ return;
+ QTextDocument *tempDoc = 0;
+ const QTextDocument *doc = d->doc;
+ if (printer->printRange() == QPrinter::Selection) {
+ if (!d->cursor.hasSelection())
+ return;
+ tempDoc = new QTextDocument(const_cast<QTextDocument *>(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
+}
+#endif // QT_NO_PRINTER
+
+QMimeData *QTextControl::createMimeDataFromSelection() const
+{
+ Q_D(const QTextControl);
+ const QTextDocumentFragment fragment(d->cursor);
+ return new QTextEditMimeData(fragment);
+}
+
+bool QTextControl::canInsertFromMimeData(const QMimeData *source) const
+{
+ Q_D(const QTextControl);
+ 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 QTextControl::insertFromMimeData(const QMimeData *source)
+{
+ Q_D(QTextControl);
+ 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).
+ QString richtext = QString::fromUtf8(source->data(QLatin1String("application/x-qrichtext")));
+ richtext.prepend(QLatin1String("<meta name=\"qrichtext\" content=\"1\" />"));
+ 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 QTextControl::findNextPrevAnchor(const QTextCursor &startCursor, bool next, QTextCursor &newAnchor)
+{
+ Q_D(QTextControl);
+
+ 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 QTextControlPrivate::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 QTextControlPrivate::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 QTextControl::setFocusToNextOrPreviousAnchor(bool next)
+{
+ Q_D(QTextControl);
+
+ 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 QTextControl::setFocusToAnchor(const QTextCursor &newCursor)
+{
+ Q_D(QTextControl);
+
+ 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 QTextControl::setTextInteractionFlags(Qt::TextInteractionFlags flags)
+{
+ Q_D(QTextControl);
+ if (flags == d->interactionFlags)
+ return;
+ d->interactionFlags = flags;
+
+ if (d->hasFocus)
+ d->setBlinkingCursorEnabled(flags & Qt::TextEditable);
+}
+
+Qt::TextInteractionFlags QTextControl::textInteractionFlags() const
+{
+ Q_D(const QTextControl);
+ return d->interactionFlags;
+}
+
+void QTextControl::mergeCurrentCharFormat(const QTextCharFormat &modifier)
+{
+ Q_D(QTextControl);
+ d->cursor.mergeCharFormat(modifier);
+ d->updateCurrentCharFormat();
+}
+
+void QTextControl::setCurrentCharFormat(const QTextCharFormat &format)
+{
+ Q_D(QTextControl);
+ d->cursor.setCharFormat(format);
+ d->updateCurrentCharFormat();
+}
+
+QTextCharFormat QTextControl::currentCharFormat() const
+{
+ Q_D(const QTextControl);
+ return d->cursor.charFormat();
+}
+
+void QTextControl::insertPlainText(const QString &text)
+{
+ Q_D(QTextControl);
+ d->cursor.insertText(text);
+}
+
+#ifndef QT_NO_TEXTHTMLPARSER
+void QTextControl::insertHtml(const QString &text)
+{
+ Q_D(QTextControl);
+ d->cursor.insertHtml(text);
+}
+#endif // QT_NO_TEXTHTMLPARSER
+
+QPointF QTextControl::anchorPosition(const QString &name) const
+{
+ Q_D(const QTextControl);
+ 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 QTextControl::adjustSize()
+{
+ Q_D(QTextControl);
+ d->doc->adjustSize();
+}
+
+bool QTextControl::find(const QString &exp, QTextDocument::FindFlags options)
+{
+ Q_D(QTextControl);
+ QTextCursor search = d->doc->find(exp, d->cursor, options);
+ if (search.isNull())
+ return false;
+
+ setTextCursor(search);
+ return true;
+}
+
+
+
+void QTextControlPrivate::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
+ tmp.insertText(text);
+#endif // QT_NO_TEXTHTMLPARSER
+ if (!cursor.hasSelection())
+ cursor.setCharFormat(oldCharFormat);
+
+ tmp.endEditBlock();
+}
+
+void QTextControl::append(const QString &text)
+{
+ Q_D(QTextControl);
+ d->append(text, Qt::AutoText);
+}
+
+void QTextControl::appendHtml(const QString &html)
+{
+ Q_D(QTextControl);
+ d->append(html, Qt::RichText);
+}
+
+void QTextControl::appendPlainText(const QString &text)
+{
+ Q_D(QTextControl);
+ d->append(text, Qt::PlainText);
+}
+
+
+void QTextControl::ensureCursorVisible()
+{
+ Q_D(QTextControl);
+ QRectF crect = d->rectForPosition(d->cursor.position()).adjusted(-5, 0, 5, 0);
+ emit visibilityRequest(crect);
+ emit microFocusChanged();
+}
+
+QPalette QTextControl::palette() const
+{
+ Q_D(const QTextControl);
+ return d->palette;
+}
+
+void QTextControl::setPalette(const QPalette &pal)
+{
+ Q_D(QTextControl);
+ d->palette = pal;
+}
+
+QAbstractTextDocumentLayout::PaintContext QTextControl::getPaintContext(QWidget *widget) const
+{
+ Q_D(const QTextControl);
+
+ QAbstractTextDocumentLayout::PaintContext ctx;
+
+ ctx.selections = d->extraSelections;
+ ctx.palette = d->palette;
+ 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 (!QApplication::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<QTextFormat>(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 QTextControl::drawContents(QPainter *p, const QRectF &rect, QWidget *widget)
+{
+ Q_D(QTextControl);
+ 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 QTextControlPrivate::_q_copyLink()
+{
+#ifndef QT_NO_CLIPBOARD
+ QMimeData *md = new QMimeData;
+ md->setText(linkToCopy);
+ QApplication::clipboard()->setMimeData(md);
+#endif
+}
+
+QInputContext *QTextControlPrivate::inputContext()
+{
+ QInputContext *ctx = contextWidget->inputContext();
+ if (!ctx && contextWidget->parentWidget())
+ ctx = contextWidget->parentWidget()->inputContext();
+ return ctx;
+}
+
+int QTextControl::hitTest(const QPointF &point, Qt::HitTestAccuracy accuracy) const
+{
+ Q_D(const QTextControl);
+ return d->doc->documentLayout()->hitTest(point, accuracy);
+}
+
+QRectF QTextControl::blockBoundingRect(const QTextBlock &block) const
+{
+ Q_D(const QTextControl);
+ return d->doc->documentLayout()->blockBoundingRect(block);
+}
+
+#ifndef QT_NO_CONTEXTMENU
+#define NUM_CONTROL_CHARACTERS 10
+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 },
+};
+
+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<QAction *>(sender());
+ int idx = actions().indexOf(a);
+ if (idx < 0 || idx >= NUM_CONTROL_CHARACTERS)
+ return;
+ QChar c(qt_controlCharacters[idx].character);
+ QString str(c);
+
+#ifndef QT_NO_TEXTEDIT
+ if (QTextEdit *edit = qobject_cast<QTextEdit *>(editWidget)) {
+ edit->insertPlainText(str);
+ return;
+ }
+#endif
+ if (QTextControl *control = qobject_cast<QTextControl *>(editWidget)) {
+ control->insertPlainText(str);
+ }
+#ifndef QT_NO_LINEEDIT
+ if (QLineEdit *edit = qobject_cast<QLineEdit *>(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<QTextEditMimeData *>(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_qtextcontrol_p.cpp"
+
+#endif // QT_NO_TEXTCONTROL