basetexteditor.cpp 158.16 KiB
/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** Commercial Usage
**
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
**
** Alternatively, 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.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
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**************************************************************************/
#include "texteditor_global.h"
#include "texteditorconstants.h"
#ifndef TEXTEDITOR_STANDALONE
#include "texteditorplugin.h"
#include "completionsupport.h"
#endif
#include "basetextdocument.h"
#include "basetexteditor_p.h"
#include "codecselector.h"
#ifndef TEXTEDITOR_STANDALONE
#include <aggregation/aggregate.h>
#include <coreplugin/coreconstants.h>
#include <coreplugin/editormanager/editormanager.h>
#include <coreplugin/manhattanstyle.h>
#include <extensionsystem/pluginmanager.h>
#include <find/basetextfind.h>
#include <utils/stylehelper.h>
#endif
#include <utils/linecolumnlabel.h>
#include <utils/qtcassert.h>
#include <QtCore/QCoreApplication>
#include <QtCore/QTextCodec>
#include <QtCore/QFile>
#include <QtCore/QDebug>
#include <QtCore/QTimer>
#include <QtGui/QAbstractTextDocumentLayout>
#include <QtGui/QApplication>
#include <QtGui/QKeyEvent>
#include <QtGui/QLabel>
#include <QtGui/QLayout>
#include <QtGui/QPainter>
#include <QtGui/QPrinter>
#include <QtGui/QPrintDialog>
#include <QtGui/QPainter>
#include <QtGui/QScrollBar>
#include <QtGui/QShortcut>
#include <QtGui/QScrollBar>#include <QtGui/QStyle>
#include <QtGui/QSyntaxHighlighter>
#include <QtGui/QTextCursor>
#include <QtGui/QTextBlock>
#include <QtGui/QTextLayout>
#include <QtGui/QToolBar>
#include <QtGui/QToolTip>
#include <QtGui/QInputDialog>
#include <QtGui/QMenu>
using namespace TextEditor;
using namespace TextEditor::Internal;
namespace TextEditor {
namespace Internal {
class TextEditExtraArea : public QWidget {
BaseTextEditor *textEdit;
public:
TextEditExtraArea(BaseTextEditor *edit):QWidget(edit) {
textEdit = edit;
setAutoFillBackground(true);
}
public:
QSize sizeHint() const {
return QSize(textEdit->extraAreaWidth(), 0);
}
protected:
void paintEvent(QPaintEvent *event){
textEdit->extraAreaPaintEvent(event);
}
void mousePressEvent(QMouseEvent *event){
textEdit->extraAreaMouseEvent(event);
}
void mouseMoveEvent(QMouseEvent *event){
textEdit->extraAreaMouseEvent(event);
}
void mouseReleaseEvent(QMouseEvent *event){
textEdit->extraAreaMouseEvent(event);
}
void leaveEvent(QEvent *event){
textEdit->extraAreaLeaveEvent(event);
}
void wheelEvent(QWheelEvent *event) {
QCoreApplication::sendEvent(textEdit->viewport(), event);
}
};
} // namespace Internal
} // namespace TextEditor
ITextEditor *BaseTextEditor::openEditorAt(const QString &fileName,
int line,
int column,
const QString &editorKind)
{
Core::EditorManager *editorManager = Core::EditorManager::instance();
editorManager->addCurrentPositionToNavigationHistory();
Core::IEditor *editor = editorManager->openEditor(fileName, editorKind, Core::EditorManager::IgnoreNavigationHistory);
TextEditor::ITextEditor *texteditor = qobject_cast<TextEditor::ITextEditor *>(editor);
if (texteditor) {
texteditor->gotoLine(line, column);
return texteditor;
}
return 0;
}
BaseTextEditor::BaseTextEditor(QWidget *parent)
: QPlainTextEdit(parent)
{
d = new BaseTextEditorPrivate();
d->q = this;
d->m_extraArea = new TextEditExtraArea(this);
d->m_extraArea->setMouseTracking(true);
setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOn);
d->setupDocumentSignals(d->m_document);
d->setupDocumentSignals(d->m_document);
d->m_lastScrollPos = -1;
setCursorWidth(2);
// from RESEARCH
setLayoutDirection(Qt::LeftToRight);
viewport()->setMouseTracking(true);
d->extraAreaSelectionAnchorBlockNumber
= d->extraAreaToggleMarkBlockNumber
= d->extraAreaHighlightCollapseBlockNumber
= d->extraAreaHighlightCollapseColumn
= -1;
d->visibleCollapsedBlockNumber = d->suggestedVisibleCollapsedBlockNumber = -1;
connect(this, SIGNAL(blockCountChanged(int)), this, SLOT(slotUpdateExtraAreaWidth()));
connect(this, SIGNAL(modificationChanged(bool)), this, SLOT(slotModificationChanged(bool)));
connect(this, SIGNAL(cursorPositionChanged()), this, SLOT(slotCursorPositionChanged()));
connect(this, SIGNAL(updateRequest(QRect, int)), this, SLOT(slotUpdateRequest(QRect, int)));
connect(this, SIGNAL(selectionChanged()), this, SLOT(slotSelectionChanged()));
// (void) new QShortcut(tr("CTRL+L"), this, SLOT(centerCursor()), 0, Qt::WidgetShortcut);
// (void) new QShortcut(tr("F9"), this, SLOT(slotToggleMark()), 0, Qt::WidgetShortcut);
// (void) new QShortcut(tr("F11"), this, SLOT(slotToggleBlockVisible()));
// parentheses matcher
d->m_parenthesesMatchingEnabled = false;
d->m_formatRange = true;
d->m_matchFormat.setForeground(Qt::red);
d->m_rangeFormat.setBackground(QColor(0xb4, 0xee, 0xb4));
d->m_mismatchFormat.setBackground(Qt::magenta);
d->m_parenthesesMatchingTimer = new QTimer(this);
d->m_parenthesesMatchingTimer->setSingleShot(true);
connect(d->m_parenthesesMatchingTimer, SIGNAL(timeout()), this, SLOT(_q_matchParentheses()));
d->m_highlightBlocksTimer = new QTimer(this);
d->m_highlightBlocksTimer->setSingleShot(true);
connect(d->m_highlightBlocksTimer, SIGNAL(timeout()), this, SLOT(_q_highlightBlocks()));
d->m_animator = 0;
d->m_searchResultFormat.setBackground(QColor(0xffef0b));
slotUpdateExtraAreaWidth();
slotCursorPositionChanged();
setFrameStyle(QFrame::NoFrame);
connect(Core::EditorManager::instance(), SIGNAL(currentEditorChanged(Core::IEditor*)),
this, SLOT(currentEditorChanged(Core::IEditor*)));
}
BaseTextEditor::~BaseTextEditor()
{
delete d;
d = 0;}
QString BaseTextEditor::mimeType() const
{
return d->m_document->mimeType();
}
void BaseTextEditor::setMimeType(const QString &mt)
{
d->m_document->setMimeType(mt);
}
void BaseTextEditor::print(QPrinter *printer)
{
const bool oldFullPage = printer->fullPage();
printer->setFullPage(true);
QPrintDialog *dlg = new QPrintDialog(printer, this);
dlg->setWindowTitle(tr("Print Document"));
if (dlg->exec() == QDialog::Accepted) {
d->print(printer);
}
printer->setFullPage(oldFullPage);
delete dlg;
}
static int collapseBoxWidth(const QFontMetrics &fm)
{
const int lineSpacing = fm.lineSpacing();
return lineSpacing + lineSpacing%2 + 1;
}
static void printPage(int index, QPainter *painter, const QTextDocument *doc,
const QRectF &body, const QRectF &titleBox,
const QString &title)
{
painter->save();
painter->translate(body.left(), body.top() - (index - 1) * body.height());
QRectF view(0, (index - 1) * body.height(), body.width(), body.height());
QAbstractTextDocumentLayout *layout = doc->documentLayout();
QAbstractTextDocumentLayout::PaintContext ctx;
painter->setFont(QFont(doc->defaultFont()));
QRectF box = titleBox.translated(0, view.top());
int dpix = painter->device()->logicalDpiX();
int dpiy = painter->device()->logicalDpiY();
int mx = 5 * dpix / 72.0;
int my = 2 * dpiy / 72.0;
painter->fillRect(box.adjusted(-mx, -my, mx, my), QColor(210, 210, 210));
if (!title.isEmpty())
painter->drawText(box, Qt::AlignCenter, title);
const QString pageString = QString::number(index);
painter->drawText(box, Qt::AlignRight, pageString);
painter->setClipRect(view);
ctx.clip = view;
// don't use the system palette text as default text color, on HP/UX
// for example that's white, and white text on white paper doesn't
// look that nice
ctx.palette.setColor(QPalette::Text, Qt::black);
layout->draw(painter, ctx);
painter->restore();
}
void BaseTextEditorPrivate::print(QPrinter *printer)
{
QTextDocument *doc = q->document();
QString title = q->displayName();
if (title.isEmpty())
printer->setDocName(title);
QPainter p(printer);
// Check that there is a valid device to print to.
if (!p.isActive())
return;
doc = doc->clone(doc);
QTextOption opt = doc->defaultTextOption();
opt.setWrapMode(QTextOption::WrapAtWordBoundaryOrAnywhere);
doc->setDefaultTextOption(opt);
(void)doc->documentLayout(); // make sure that there is a layout
QColor background = q->palette().color(QPalette::Base);
bool backgroundIsDark = background.value() < 128;
for (QTextBlock srcBlock = q->document()->firstBlock(), dstBlock = doc->firstBlock();
srcBlock.isValid() && dstBlock.isValid();
srcBlock = srcBlock.next(), dstBlock = dstBlock.next()) {
QList<QTextLayout::FormatRange> formatList = srcBlock.layout()->additionalFormats();
if (backgroundIsDark) {
// adjust syntax highlighting colors for better contrast
for (int i = formatList.count() - 1; i >=0; --i) {
QTextCharFormat &format = formatList[i].format;
if (format.background().color() == background) {
QBrush brush = format.foreground();
QColor color = brush.color();
int h,s,v,a;
color.getHsv(&h, &s, &v, &a);
color.setHsv(h, s, qMin(128, v), a);
brush.setColor(color);
format.setForeground(brush);
}
format.setBackground(Qt::white);
}
}
dstBlock.layout()->setAdditionalFormats(formatList);
}
QAbstractTextDocumentLayout *layout = doc->documentLayout();
layout->setPaintDevice(p.device());
int dpiy = p.device()->logicalDpiY();
int margin = (int) ((2/2.54)*dpiy); // 2 cm margins
QTextFrameFormat fmt = doc->rootFrame()->frameFormat();
fmt.setMargin(margin);
doc->rootFrame()->setFrameFormat(fmt);
QRectF pageRect(printer->pageRect());
QRectF body = QRectF(0, 0, pageRect.width(), pageRect.height());
QFontMetrics fontMetrics(doc->defaultFont(), p.device());
QRectF titleBox(margin,
body.top() + margin
- fontMetrics.height()
- 6 * dpiy / 72.0,
body.width() - 2*margin, fontMetrics.height());
doc->setPageSize(body.size());
int docCopies;
int pageCopies;
if (printer->collateCopies() == true){
docCopies = 1;
pageCopies = printer->numCopies();
} else {
docCopies = printer->numCopies();
pageCopies = 1;
}
int fromPage = printer->fromPage();
int toPage = printer->toPage();
bool ascending = true;
if (fromPage == 0 && toPage == 0) {
fromPage = 1;
toPage = doc->pageCount();
}
// paranoia check
fromPage = qMax(1, fromPage);
toPage = qMin(doc->pageCount(), toPage);
if (printer->pageOrder() == QPrinter::LastPageFirst) {
int tmp = fromPage;
fromPage = toPage;
toPage = tmp;
ascending = false;
}
for (int i = 0; i < docCopies; ++i) {
int page = fromPage;
while (true) {
for (int j = 0; j < pageCopies; ++j) {
if (printer->printerState() == QPrinter::Aborted
|| printer->printerState() == QPrinter::Error)
goto UserCanceled;
printPage(page, &p, doc, body, titleBox, title);
if (j < pageCopies - 1)
printer->newPage();
}
if (page == toPage)
break;
if (ascending)
++page;
else
--page;
printer->newPage();
}
if ( i < docCopies - 1)
printer->newPage();
}
UserCanceled:
delete doc;
}
bool DocumentMarker::addMark(TextEditor::ITextMark *mark, int line)
{
QTC_ASSERT(line >= 1, return false);
int blockNumber = line - 1;
TextEditDocumentLayout *documentLayout = qobject_cast<TextEditDocumentLayout*>(document->documentLayout()); QTC_ASSERT(documentLayout, return false);
QTextBlock block = document->findBlockByNumber(blockNumber);
if (block.isValid()) {
TextBlockUserData *userData = TextEditDocumentLayout::userData(block);
userData->addMark(mark);
mark->updateLineNumber(blockNumber + 1);
mark->updateBlock(block);
documentLayout->hasMarks = true;
documentLayout->requestUpdate();
return true;
}
return false;
}
int BaseTextEditorPrivate::visualIndent(const QTextBlock &block) const
{
if (!block.isValid())
return 0;
const QTextDocument *document = block.document();
int i = 0;
while (i < block.length()) {
if (!document->characterAt(block.position() + i).isSpace()) {
QTextCursor cursor(block);
cursor.setPosition(block.position() + i);
return q->cursorRect(cursor).x();
}
++i;
}
return 0;
}
TextEditor::TextMarks DocumentMarker::marksAt(int line) const
{
QTC_ASSERT(line >= 1, return TextMarks());
int blockNumber = line - 1;
QTextBlock block = document->findBlockByNumber(blockNumber);
if (block.isValid()) {
if (TextBlockUserData *userData = TextEditDocumentLayout::testUserData(block))
return userData->marks();
}
return TextMarks();
}
void DocumentMarker::removeMark(TextEditor::ITextMark *mark)
{
bool needUpdate = false;
QTextBlock block = document->begin();
while (block.isValid()) {
if (TextBlockUserData *data = static_cast<TextBlockUserData *>(block.userData())) {
needUpdate |= data->removeMark(mark);
}
block = block.next();
}
if (needUpdate)
updateMark(0);
}
bool DocumentMarker::hasMark(TextEditor::ITextMark *mark) const
{
QTextBlock block = document->begin();
while (block.isValid()) {
if (TextBlockUserData *data = static_cast<TextBlockUserData *>(block.userData())) {
if (data->hasMark(mark))
return true;
}
block = block.next(); }
return false;
}
ITextMarkable *BaseTextEditor::markableInterface() const
{
return baseTextDocument()->documentMarker();
}
ITextEditable *BaseTextEditor::editableInterface() const
{
if (!d->m_editable) {
d->m_editable = const_cast<BaseTextEditor*>(this)->createEditableInterface();
connect(this, SIGNAL(textChanged()),
d->m_editable, SIGNAL(contentsChanged()));
connect(this, SIGNAL(changed()),
d->m_editable, SIGNAL(changed()));
}
return d->m_editable;
}
void BaseTextEditor::currentEditorChanged(Core::IEditor *editor)
{
if (editor == d->m_editable) {
if (d->m_document->hasDecodingError()) {
Core::EditorManager::instance()->showEditorInfoBar(QLatin1String(Constants::SELECT_ENCODING),
tr("<b>Error:</b> Could not decode \"%1\" with \"%2\"-encoding. Editing not possible.")
.arg(displayName()).arg(QString::fromLatin1(d->m_document->codec()->name())),
tr("Select Encoding"),
this, SLOT(selectEncoding()));
}
}
}
void BaseTextEditor::selectEncoding()
{
BaseTextDocument *doc = d->m_document;
CodecSelector codecSelector(this, doc);
switch (codecSelector.exec()) {
case CodecSelector::Reload:
doc->reload(codecSelector.selectedCodec());
setReadOnly(d->m_document->hasDecodingError());
if (doc->hasDecodingError())
currentEditorChanged(Core::EditorManager::instance()->currentEditor());
else
Core::EditorManager::instance()->hideEditorInfoBar(QLatin1String(Constants::SELECT_ENCODING));
break;
case CodecSelector::Save:
doc->setCodec(codecSelector.selectedCodec());
Core::EditorManager::instance()->saveEditor(editableInterface());
break;
case CodecSelector::Cancel:
break;
}
}
void DocumentMarker::updateMark(ITextMark *mark)
{
Q_UNUSED(mark)
TextEditDocumentLayout *documentLayout = qobject_cast<TextEditDocumentLayout*>(document->documentLayout());
QTC_ASSERT(documentLayout, return);
documentLayout->requestUpdate();
}
void BaseTextEditor::triggerCompletions()
{
emit requestAutoCompletion(editableInterface(), true);}
void BaseTextEditor::triggerQuickFix()
{
emit requestQuickFix(editableInterface());
}
bool BaseTextEditor::createNew(const QString &contents)
{
setPlainText(contents);
document()->setModified(false);
return true;
}
bool BaseTextEditor::open(const QString &fileName)
{
if (d->m_document->open(fileName)) {
moveCursor(QTextCursor::Start);
setReadOnly(d->m_document->hasDecodingError());
return true;
}
return false;
}
Core::IFile *BaseTextEditor::file()
{
return d->m_document;
}
void BaseTextEditor::editorContentsChange(int position, int charsRemoved, int charsAdded)
{
if (d->m_animator)
d->m_animator->finish();
d->m_contentsChanged = true;
// Keep the line numbers and the block information for the text marks updated
if (charsRemoved != 0) {
d->updateMarksLineNumber();
d->updateMarksBlock(document()->findBlock(position));
} else {
const QTextBlock posBlock = document()->findBlock(position);
const QTextBlock nextBlock = document()->findBlock(position + charsAdded);
if (posBlock != nextBlock) {
d->updateMarksLineNumber();
d->updateMarksBlock(posBlock);
d->updateMarksBlock(nextBlock);
} else {
d->updateMarksBlock(posBlock);
}
}
}
void BaseTextEditor::slotSelectionChanged()
{
bool changed = (d->m_inBlockSelectionMode != d->m_lastEventWasBlockSelectionEvent);
d->m_inBlockSelectionMode = d->m_lastEventWasBlockSelectionEvent;
if (changed || d->m_inBlockSelectionMode)
viewport()->update();
if (!d->m_inBlockSelectionMode)
d->m_blockSelectionExtraX = 0;
if (!d->m_selectBlockAnchor.isNull() && !textCursor().hasSelection())
d->m_selectBlockAnchor = QTextCursor();
}
void BaseTextEditor::gotoBlockStart()
{
QTextCursor cursor = textCursor();
if (TextBlockUserData::findPreviousOpenParenthesis(&cursor, false)) { setTextCursor(cursor);
_q_matchParentheses();
}
}
void BaseTextEditor::gotoBlockEnd()
{
QTextCursor cursor = textCursor();
if (TextBlockUserData::findNextClosingParenthesis(&cursor, false)) {
setTextCursor(cursor);
_q_matchParentheses();
}
}
void BaseTextEditor::gotoBlockStartWithSelection()
{
QTextCursor cursor = textCursor();
if (TextBlockUserData::findPreviousOpenParenthesis(&cursor, true)) {
setTextCursor(cursor);
_q_matchParentheses();
}
}
void BaseTextEditor::gotoBlockEndWithSelection()
{
QTextCursor cursor = textCursor();
if (TextBlockUserData::findNextClosingParenthesis(&cursor, true)) {
setTextCursor(cursor);
_q_matchParentheses();
}
}
static QTextCursor flippedCursor(const QTextCursor &cursor) {
QTextCursor flipped = cursor;
flipped.clearSelection();
flipped.setPosition(cursor.anchor(), QTextCursor::KeepAnchor);
return flipped;
}
void BaseTextEditor::selectBlockUp()
{
QTextCursor cursor = textCursor();
if (!cursor.hasSelection())
d->m_selectBlockAnchor = cursor;
else
cursor.setPosition(cursor.selectionStart());
if (!TextBlockUserData::findPreviousOpenParenthesis(&cursor, false))
return;
if (!TextBlockUserData::findNextClosingParenthesis(&cursor, true))
return;
setTextCursor(flippedCursor(cursor));
_q_matchParentheses();
}
void BaseTextEditor::selectBlockDown()
{
QTextCursor tc = textCursor();
QTextCursor cursor = d->m_selectBlockAnchor;
if (!tc.hasSelection() || cursor.isNull())
return;
tc.setPosition(tc.selectionStart());
forever {
QTextCursor ahead = cursor;
if (!TextBlockUserData::findPreviousOpenParenthesis(&ahead, false))
break;
if (ahead.position() <= tc.position()) break;
cursor = ahead;
}
if ( cursor != d->m_selectBlockAnchor)
TextBlockUserData::findNextClosingParenthesis(&cursor, true);
setTextCursor(flippedCursor(cursor));
_q_matchParentheses();
}
void BaseTextEditor::copyLineUp()
{
copyLineUpDown(true);
}
void BaseTextEditor::copyLineDown()
{
copyLineUpDown(false);
}
void BaseTextEditor::copyLineUpDown(bool up)
{
QTextCursor cursor = textCursor();
QTextCursor move = cursor;
move.beginEditBlock();
bool hasSelection = cursor.hasSelection();
if (hasSelection) {
move.setPosition(cursor.selectionStart());
move.movePosition(QTextCursor::StartOfBlock);
move.setPosition(cursor.selectionEnd(), QTextCursor::KeepAnchor);
move.movePosition(QTextCursor::EndOfBlock, QTextCursor::KeepAnchor);
} else {
move.movePosition(QTextCursor::StartOfBlock);
move.movePosition(QTextCursor::EndOfBlock, QTextCursor::KeepAnchor);
}
QString text = move.selectedText();
if (up) {
move.setPosition(cursor.selectionStart());
move.movePosition(QTextCursor::StartOfBlock);
move.insertBlock();
move.movePosition(QTextCursor::Left);
} else {
move.movePosition(QTextCursor::EndOfBlock);
if (move.atBlockStart()) {
move.movePosition(QTextCursor::NextBlock);
move.insertBlock();
move.movePosition(QTextCursor::Left);
} else {
move.insertBlock();
}
}
int start = move.position();
move.clearSelection();
move.insertText(text);
int end = move.position();
move.setPosition(start);
move.setPosition(end, QTextCursor::KeepAnchor);
indent(document(), move, QChar::Null);
move.endEditBlock();
setTextCursor(move);
}
void BaseTextEditor::moveLineUp()
{
moveLineUpDown(true);
}
void BaseTextEditor::moveLineDown()
{
moveLineUpDown(false);
}
void BaseTextEditor::moveLineUpDown(bool up)
{
QTextCursor cursor = textCursor();
QTextCursor move = cursor;
if (d->m_moveLineUndoHack)
move.joinPreviousEditBlock();
else
move.beginEditBlock();
bool hasSelection = cursor.hasSelection();
if (cursor.hasSelection()) {
move.setPosition(cursor.selectionStart());
move.movePosition(QTextCursor::StartOfBlock);
move.setPosition(cursor.selectionEnd(), QTextCursor::KeepAnchor);
move.movePosition(move.atBlockStart() ? QTextCursor::Left: QTextCursor::EndOfBlock, QTextCursor::KeepAnchor);
} else {
move.movePosition(QTextCursor::StartOfBlock);
move.movePosition(QTextCursor::EndOfBlock, QTextCursor::KeepAnchor);
}
QString text = move.selectedText();
move.movePosition(QTextCursor::Right, QTextCursor::KeepAnchor);
move.removeSelectedText();
if (up) {
move.movePosition(QTextCursor::PreviousBlock);
move.insertBlock();
move.movePosition(QTextCursor::Left);
} else {
move.movePosition(QTextCursor::EndOfBlock);
if (move.atBlockStart()) { // empty block
move.movePosition(QTextCursor::NextBlock);
move.insertBlock();
move.movePosition(QTextCursor::Left);
} else {
move.insertBlock();
}
}
int start = move.position();
move.clearSelection();
move.insertText(text);
int end = move.position();
if (hasSelection) {
move.setPosition(start);
move.setPosition(end, QTextCursor::KeepAnchor);
}
reindent(document(), move);
move.endEditBlock();
setTextCursor(move);
d->m_moveLineUndoHack = true;
}
void BaseTextEditor::cleanWhitespace()
{
d->m_document->cleanWhitespace(textCursor());
}
void BaseTextEditor::keyPressEvent(QKeyEvent *e)
{
viewport()->setCursor(Qt::BlankCursor);
QToolTip::hideText();
d->m_moveLineUndoHack = false;
d->clearVisibleCollapsedBlock();
QKeyEvent *original_e = e;
d->m_lastEventWasBlockSelectionEvent = false;
if (e->key() == Qt::Key_Escape) {
e->accept();
QTextCursor cursor = textCursor();
cursor.clearSelection();
setTextCursor(cursor);
return;
}
bool ro = isReadOnly();
if (d->m_inBlockSelectionMode) {
if (e == QKeySequence::Cut) {
if (!ro) {
cut();
e->accept();
return;
}
} else if (e == QKeySequence::Delete || e->key() == Qt::Key_Backspace) {
if (!ro) {
d->removeBlockSelection();
e->accept();
return;
}
} else if (e == QKeySequence::Paste) {
if (!ro) {
d->removeBlockSelection();
// continue
}
}
}
if (!ro
&& (e == QKeySequence::InsertParagraphSeparator
|| (!d->m_lineSeparatorsAllowed && e == QKeySequence::InsertLineSeparator))
) {
QTextCursor cursor = textCursor();
if (d->m_inBlockSelectionMode)
cursor.clearSelection();
const TabSettings &ts = d->m_document->tabSettings();
cursor.beginEditBlock();
int extraBlocks = paragraphSeparatorAboutToBeInserted(cursor); // virtual
if (ts.m_autoIndent) {
cursor.insertBlock();
indent(document(), cursor, QChar::Null);
} else {
QString previousBlockText = cursor.block().text();
cursor.insertBlock();
cursor.insertText(ts.indentationString(previousBlockText));
}
cursor.endEditBlock();
e->accept();
if (extraBlocks > 0) {
QTextCursor ensureVisible = cursor; while (extraBlocks > 0) {
--extraBlocks;
ensureVisible.movePosition(QTextCursor::NextBlock);
}
setTextCursor(ensureVisible);
}
setTextCursor(cursor);
return;
} else if (!ro
&& (e == QKeySequence::MoveToStartOfBlock
|| e == QKeySequence::SelectStartOfBlock)){
if ((e->modifiers() & (Qt::AltModifier | Qt::ShiftModifier)) == (Qt::AltModifier | Qt::ShiftModifier))
d->m_lastEventWasBlockSelectionEvent = true;
handleHomeKey(e == QKeySequence::SelectStartOfBlock);
e->accept();
return;
} else if (!ro
&& (e == QKeySequence::MoveToStartOfLine
|| e == QKeySequence::SelectStartOfLine)){
if ((e->modifiers() & (Qt::AltModifier | Qt::ShiftModifier)) == (Qt::AltModifier | Qt::ShiftModifier))
d->m_lastEventWasBlockSelectionEvent = true;
QTextCursor cursor = textCursor();
if (QTextLayout *layout = cursor.block().layout()) {
if (layout->lineForTextPosition(cursor.position() - cursor.block().position()).lineNumber() == 0) {
handleHomeKey(e == QKeySequence::SelectStartOfLine);
e->accept();
return;
}
}
} else switch (e->key()) {
#if 0
case Qt::Key_sterling: {
static bool toggle = false;
if ((toggle = !toggle)) {
QList<BaseTextEditor::BlockRange> rangeList;
rangeList += BaseTextEditor::BlockRange(4, 12);
rangeList += BaseTextEditor::BlockRange(15, 19);
setIfdefedOutBlocks(rangeList);
} else {
setIfdefedOutBlocks(QList<BaseTextEditor::BlockRange>());
}
e->accept();
return;
} break;
#endif
case Qt::Key_Tab:
case Qt::Key_Backtab: {
if (ro) break;
QTextCursor cursor = textCursor();
int newPosition;
if (d->m_document->tabSettings().tabShouldIndent(document(), cursor, &newPosition)) {
if (newPosition != cursor.position() && !cursor.hasSelection()) {
cursor.setPosition(newPosition);
setTextCursor(cursor);
}
indent(document(), cursor, QChar::Null);
} else {
indentOrUnindent(e->key() == Qt::Key_Tab);
}
e->accept();
return;
} break;
case Qt::Key_Backspace:
if (ro) break;
if ((e->modifiers() & (Qt::ControlModifier | Qt::ShiftModifier
| Qt::AltModifier
| Qt::MetaModifier)) == Qt::NoModifier
&& !textCursor().hasSelection()) {
handleBackspaceKey();
e->accept();
return;
}
break;
case Qt::Key_Up:
case Qt::Key_Down:
if (e->modifiers() & Qt::ControlModifier) {
verticalScrollBar()->triggerAction(
e->key() == Qt::Key_Up ? QAbstractSlider::SliderSingleStepSub :
QAbstractSlider::SliderSingleStepAdd);
e->accept();
return;
}
// fall through
case Qt::Key_End:
case Qt::Key_Right:
case Qt::Key_Left:
#ifndef Q_WS_MAC
if ((e->modifiers() & (Qt::AltModifier | Qt::ShiftModifier)) == (Qt::AltModifier | Qt::ShiftModifier)) {
d->m_lastEventWasBlockSelectionEvent = true;
if (d->m_inBlockSelectionMode) {
if (e->key() == Qt::Key_Right && textCursor().atBlockEnd()) {
d->m_blockSelectionExtraX++;
viewport()->update();
e->accept();
return;
} else if (e->key() == Qt::Key_Left && d->m_blockSelectionExtraX > 0) {
d->m_blockSelectionExtraX--;
e->accept();
viewport()->update();
return;
}
}
e = new QKeyEvent(
e->type(),
e->key(),
e->modifiers() & ~Qt::AltModifier,
e->text(),
e->isAutoRepeat(),
e->count()
);
}
#endif
break;
case Qt::Key_PageUp:
case Qt::Key_PageDown:
if (e->modifiers() == Qt::ControlModifier) {
verticalScrollBar()->triggerAction(
e->key() == Qt::Key_PageUp ? QAbstractSlider::SliderPageStepSub :
QAbstractSlider::SliderPageStepAdd);
e->accept();
return;
}
break;
default:
break;
}
if (d->m_inBlockSelectionMode) {
QString text = e->text();
if (!text.isEmpty() && (text.at(0).isPrint() || text.at(0) == QLatin1Char('\t'))) { d->removeBlockSelection(text);
goto skip_event;
}
}
if (ro || e->text().isEmpty() || !e->text().at(0).isPrint()) {
QPlainTextEdit::keyPressEvent(e);
} else {
QTextCursor cursor = textCursor();
QString text = e->text();
QString autoText = autoComplete(cursor, text);
QChar electricChar;
if (d->m_document->tabSettings().m_autoIndent) {
foreach (QChar c, text) {
if (isElectricCharacter(c)) {
electricChar = c;
break;
}
}
}
bool doEditBlock = !(electricChar.isNull() && autoText.isEmpty());
if (doEditBlock)
cursor.beginEditBlock();
cursor.insertText(text);
if (!autoText.isEmpty()) {
int pos = cursor.position();
cursor.insertText(autoText);
cursor.setPosition(pos);
}
if (!electricChar.isNull())
indent(document(), cursor, electricChar);
if (doEditBlock)
cursor.endEditBlock();
setTextCursor(cursor);
}
skip_event:
if (!ro && e->key() == Qt::Key_Delete && d->m_parenthesesMatchingEnabled)
d->m_parenthesesMatchingTimer->start(50);
if (!ro && d->m_contentsChanged && !e->text().isEmpty() && e->text().at(0).isPrint())
emit requestAutoCompletion(editableInterface(), false);
if (e != original_e)
delete e;
}
void BaseTextEditor::setTextCursor(const QTextCursor &cursor)
{
// workaround for QTextControl bug
bool selectionChange = cursor.hasSelection() || textCursor().hasSelection();
QPlainTextEdit::setTextCursor(cursor);
if (selectionChange)
slotSelectionChanged();
}
void BaseTextEditor::gotoLine(int line, int column)
{
d->m_lastCursorChangeWasInteresting = false; // avoid adding the previous position to history
const int blockNumber = line - 1;
const QTextBlock &block = document()->findBlockByNumber(blockNumber);
if (block.isValid()) {
QTextCursor cursor(block); if (column > 0) {
cursor.movePosition(QTextCursor::Right, QTextCursor::MoveAnchor, column);
} else {
int pos = cursor.position();
while (characterAt(pos).category() == QChar::Separator_Space) {
++pos;
}
cursor.setPosition(pos);
}
setTextCursor(cursor);
centerCursor();
}
saveCurrentCursorPositionForNavigation();
}
int BaseTextEditor::position(ITextEditor::PositionOperation posOp, int at) const
{
QTextCursor tc = textCursor();
if (at != -1)
tc.setPosition(at);
if (posOp == ITextEditor::Current)
return tc.position();
switch (posOp) {
case ITextEditor::EndOfLine:
tc.movePosition(QTextCursor::EndOfLine);
return tc.position();
case ITextEditor::StartOfLine:
tc.movePosition(QTextCursor::StartOfLine);
return tc.position();
case ITextEditor::Anchor:
if (tc.hasSelection())
return tc.anchor();
break;
case ITextEditor::EndOfDoc:
tc.movePosition(QTextCursor::End);
return tc.position();
default:
break;
}
return -1;
}
void BaseTextEditor::convertPosition(int pos, int *line, int *column) const
{
QTextBlock block = document()->findBlock(pos);
if (!block.isValid()) {
(*line) = -1;
(*column) = -1;
} else {
(*line) = block.blockNumber() + 1;
(*column) = pos - block.position();
}
}
QChar BaseTextEditor::characterAt(int pos) const
{
return document()->characterAt(pos);
}
bool BaseTextEditor::event(QEvent *e)
{
d->m_contentsChanged = false;
switch (e->type()) {
case QEvent::ShortcutOverride:
e->ignore(); // we are a really nice citizen
return true; default:
break;
}
return QPlainTextEdit::event(e);
}
void BaseTextEditor::duplicateFrom(BaseTextEditor *editor)
{
if (this == editor)
return;
setDisplayName(editor->displayName());
d->m_revisionsVisible = editor->d->m_revisionsVisible;
if (d->m_document == editor->d->m_document)
return;
d->setupDocumentSignals(editor->d->m_document);
d->m_document = editor->d->m_document;
}
QString BaseTextEditor::displayName() const
{
return d->m_displayName;
}
void BaseTextEditor::setDisplayName(const QString &title)
{
d->m_displayName = title;
}
BaseTextDocument *BaseTextEditor::baseTextDocument() const
{
return d->m_document;
}
void BaseTextEditor::setBaseTextDocument(BaseTextDocument *doc)
{
if (doc) {
d->setupDocumentSignals(doc);
d->m_document = doc;
}
}
void BaseTextEditor::memorizeCursorPosition()
{
d->m_tempState = saveState();
}
void BaseTextEditor::restoreCursorPosition()
{
restoreState(d->m_tempState);
}
QByteArray BaseTextEditor::saveState() const
{
QByteArray state;
QDataStream stream(&state, QIODevice::WriteOnly);
stream << 0; // version number
stream << verticalScrollBar()->value();
stream << horizontalScrollBar()->value();
int line, column;
convertPosition(textCursor().position(), &line, &column);
stream << line;
stream << column;
return state;
}
bool BaseTextEditor::restoreState(const QByteArray &state)
{
int version;
int vval; int hval;
int lval;
int cval;
QDataStream stream(state);
stream >> version;
stream >> vval;
stream >> hval;
stream >> lval;
stream >> cval;
d->m_lastCursorChangeWasInteresting = false; // avoid adding last position to history
gotoLine(lval, cval);
verticalScrollBar()->setValue(vval);
horizontalScrollBar()->setValue(hval);
saveCurrentCursorPositionForNavigation();
return true;
}
void BaseTextEditor::setDefaultPath(const QString &defaultPath)
{
baseTextDocument()->setDefaultPath(defaultPath);
}
void BaseTextEditor::setSuggestedFileName(const QString &suggestedFileName)
{
baseTextDocument()->setSuggestedFileName(suggestedFileName);
}
void BaseTextEditor::setParenthesesMatchingEnabled(bool b)
{
d->m_parenthesesMatchingEnabled = b;
}
bool BaseTextEditor::isParenthesesMatchingEnabled() const
{
return d->m_parenthesesMatchingEnabled;
}
void BaseTextEditor::setHighlightCurrentLine(bool b)
{
d->m_highlightCurrentLine = b;
updateCurrentLineHighlight();
}
bool BaseTextEditor::highlightCurrentLine() const
{
return d->m_highlightCurrentLine;
}
void BaseTextEditor::setLineNumbersVisible(bool b)
{
d->m_lineNumbersVisible = b;
slotUpdateExtraAreaWidth();
}
bool BaseTextEditor::lineNumbersVisible() const
{
return d->m_lineNumbersVisible;
}
void BaseTextEditor::setMarksVisible(bool b)
{
d->m_marksVisible = b;
slotUpdateExtraAreaWidth();
}
bool BaseTextEditor::marksVisible() const
{
return d->m_marksVisible;
}
void BaseTextEditor::setRequestMarkEnabled(bool b)
{
d->m_requestMarkEnabled = b;
}
bool BaseTextEditor::requestMarkEnabled() const
{
return d->m_requestMarkEnabled;
}
void BaseTextEditor::setLineSeparatorsAllowed(bool b)
{
d->m_lineSeparatorsAllowed = b;
}
bool BaseTextEditor::lineSeparatorsAllowed() const
{
return d->m_lineSeparatorsAllowed;
}
void BaseTextEditor::setCodeFoldingVisible(bool b)
{
d->m_codeFoldingVisible = b && d->m_codeFoldingSupported;
slotUpdateExtraAreaWidth();
}
bool BaseTextEditor::codeFoldingVisible() const
{
return d->m_codeFoldingVisible;
}
/**
* Sets whether code folding is supported by the syntax highlighter. When not
* supported (the default), this makes sure the code folding is not shown.
*
* Needs to be called before calling setCodeFoldingVisible.
*/
void BaseTextEditor::setCodeFoldingSupported(bool b)
{
d->m_codeFoldingSupported = b;
}
bool BaseTextEditor::codeFoldingSupported() const
{
return d->m_codeFoldingSupported;
}
void BaseTextEditor::setMouseNavigationEnabled(bool b)
{
d->m_mouseNavigationEnabled = b;
}
bool BaseTextEditor::mouseNavigationEnabled() const
{
return d->m_mouseNavigationEnabled;
}
void BaseTextEditor::setRevisionsVisible(bool b)
{
d->m_revisionsVisible = b;
slotUpdateExtraAreaWidth();
}
bool BaseTextEditor::revisionsVisible() const
{
return d->m_revisionsVisible;
}
void BaseTextEditor::setVisibleWrapColumn(int column)
{ d->m_visibleWrapColumn = column;
viewport()->update();
}
int BaseTextEditor::visibleWrapColumn() const
{
return d->m_visibleWrapColumn;
}
//--------- BaseTextEditorPrivate -----------
BaseTextEditorPrivate::BaseTextEditorPrivate()
:
m_contentsChanged(false),
m_lastCursorChangeWasInteresting(false),
m_document(new BaseTextDocument()),
m_parenthesesMatchingEnabled(false),
m_extraArea(0),
m_mouseOnCollapsedMarker(false),
m_marksVisible(false),
m_codeFoldingVisible(false),
m_codeFoldingSupported(false),
m_mouseNavigationEnabled(true),
m_revisionsVisible(false),
m_lineNumbersVisible(true),
m_highlightCurrentLine(true),
m_requestMarkEnabled(true),
m_lineSeparatorsAllowed(false),
m_visibleWrapColumn(0),
m_showingLink(false),
m_editable(0),
m_actionHack(0),
m_inBlockSelectionMode(false),
m_lastEventWasBlockSelectionEvent(false),
m_blockSelectionExtraX(0),
m_moveLineUndoHack(false)
{
}
BaseTextEditorPrivate::~BaseTextEditorPrivate()
{
}
void BaseTextEditorPrivate::setupDocumentSignals(BaseTextDocument *document)
{
BaseTextDocument *oldDocument = q->baseTextDocument();
if (oldDocument) {
q->disconnect(oldDocument->document(), 0, q, 0);
q->disconnect(oldDocument, 0, q, 0);
}
QTextDocument *doc = document->document();
TextEditDocumentLayout *documentLayout = qobject_cast<TextEditDocumentLayout*>(doc->documentLayout());
if (!documentLayout) {
QTextOption opt = doc->defaultTextOption();
opt.setTextDirection(Qt::LeftToRight);
opt.setFlags(opt.flags() | QTextOption::IncludeTrailingSpaces
| QTextOption::AddSpaceForLineAndParagraphSeparators
);
doc->setDefaultTextOption(opt);
documentLayout = new TextEditDocumentLayout(doc);
doc->setDocumentLayout(documentLayout);
}
q->setDocument(doc);
QObject::connect(documentLayout, SIGNAL(updateBlock(QTextBlock)), q, SLOT(slotUpdateBlockNotify(QTextBlock)));
QObject::connect(q, SIGNAL(requestBlockUpdate(QTextBlock)), documentLayout, SIGNAL(updateBlock(QTextBlock)));
QObject::connect(doc, SIGNAL(modificationChanged(bool)), q, SIGNAL(changed()));
QObject::connect(doc, SIGNAL(contentsChange(int,int,int)), q, SLOT(editorContentsChange(int,int,int)), Qt::DirectConnection);
QObject::connect(document, SIGNAL(changed()), q, SIGNAL(changed()));
QObject::connect(document, SIGNAL(titleChanged(QString)), q, SLOT(setDisplayName(const QString &)));
QObject::connect(document, SIGNAL(aboutToReload()), q, SLOT(memorizeCursorPosition()));
QObject::connect(document, SIGNAL(reloaded()), q, SLOT(restoreCursorPosition()));
q->slotUpdateExtraAreaWidth();
}
bool Parenthesis::hasClosingCollapse(const Parentheses &parentheses)
{
return closeCollapseAtPos(parentheses) >= 0;
}
int Parenthesis::closeCollapseAtPos(const Parentheses &parentheses)
{
int depth = 0;
for (int i = 0; i < parentheses.size(); ++i) {
const Parenthesis &p = parentheses.at(i);
if (p.chr == QLatin1Char('{') || p.chr == QLatin1Char('+')) {
++depth;
} else if (p.chr == QLatin1Char('}') || p.chr == QLatin1Char('-')) {
if (--depth < 0)
return p.pos;
}
}
return -1;
}
int Parenthesis::collapseAtPos(const Parentheses &parentheses, QChar *character)
{
int result = -1;
QChar c;
int depth = 0;
for (int i = 0; i < parentheses.size(); ++i) {
const Parenthesis &p = parentheses.at(i);
if (p.chr == QLatin1Char('{') || p.chr == QLatin1Char('+')) {
if (depth == 0) {
result = p.pos;
c = p.chr;
}
++depth;
} else if (p.chr == QLatin1Char('}') || p.chr == QLatin1Char('-')) {
if (--depth < 0)
depth = 0;
result = -1;
}
}
if (result >= 0 && character)
*character = c;
return result;
}
int TextBlockUserData::collapseAtPos() const
{
return Parenthesis::collapseAtPos(m_parentheses);
}
int TextBlockUserData::braceDepthDelta() const
{
int delta = 0;
for (int i = 0; i < m_parentheses.size(); ++i) {
switch (m_parentheses.at(i).chr.unicode()) {
case '{': case '+': ++delta; break;
case '}': case '-': --delta; break;
default: break;
}
} return delta;
}
void TextEditDocumentLayout::setParentheses(const QTextBlock &block, const Parentheses &parentheses)
{
if (parentheses.isEmpty()) {
if (TextBlockUserData *userData = testUserData(block))
userData->clearParentheses();
} else {
userData(block)->setParentheses(parentheses);
}
}
Parentheses TextEditDocumentLayout::parentheses(const QTextBlock &block)
{
if (TextBlockUserData *userData = testUserData(block))
return userData->parentheses();
return Parentheses();
}
bool TextEditDocumentLayout::hasParentheses(const QTextBlock &block)
{
if (TextBlockUserData *userData = testUserData(block))
return userData->hasParentheses();
return false;
}
int TextEditDocumentLayout::braceDepthDelta(const QTextBlock &block)
{
if (TextBlockUserData *userData = testUserData(block))
return userData->braceDepthDelta();
return 0;
}
int TextEditDocumentLayout::braceDepth(const QTextBlock &block)
{
int state = block.userState();
if (state == -1)
return 0;
return state >> 8;
}
void TextEditDocumentLayout::setBraceDepth(QTextBlock &block, int depth)
{
int state = block.userState();
if (state == -1)
state = 0;
state = state & 0xff;
block.setUserState((depth << 8) | state);
}
void TextEditDocumentLayout::changeBraceDepth(QTextBlock &block, int delta)
{
if (delta)
setBraceDepth(block, braceDepth(block) + delta);
}
bool TextEditDocumentLayout::setIfdefedOut(const QTextBlock &block)
{
return userData(block)->setIfdefedOut();
}
bool TextEditDocumentLayout::clearIfdefedOut(const QTextBlock &block)
{
if (TextBlockUserData *userData = testUserData(block))
return userData->clearIfdefedOut();
return false;
}
bool TextEditDocumentLayout::ifdefedOut(const QTextBlock &block){
if (TextBlockUserData *userData = testUserData(block))
return userData->ifdefedOut();
return false;
}
TextEditDocumentLayout::TextEditDocumentLayout(QTextDocument *doc)
:QPlainTextDocumentLayout(doc) {
lastSaveRevision = 0;
hasMarks = 0;
}
TextEditDocumentLayout::~TextEditDocumentLayout()
{
}
QRectF TextEditDocumentLayout::blockBoundingRect(const QTextBlock &block) const
{
QRectF r = QPlainTextDocumentLayout::blockBoundingRect(block);
return r;
}
bool BaseTextEditor::viewportEvent(QEvent *event)
{
d->m_contentsChanged = false;
if (event->type() == QEvent::ContextMenu) {
const QContextMenuEvent *ce = static_cast<QContextMenuEvent*>(event);
if (ce->reason() == QContextMenuEvent::Mouse && !textCursor().hasSelection())
setTextCursor(cursorForPosition(ce->pos()));
} else if (event->type() == QEvent::ToolTip) {
const QHelpEvent *he = static_cast<QHelpEvent*>(event);
if (QApplication::keyboardModifiers() & Qt::ControlModifier)
return true; // eat tooltip event when control is pressed
const QPoint &pos = he->pos();
// Allow plugins to show tooltips
const QTextCursor &c = cursorForPosition(pos);
QPoint cursorPos = mapToGlobal(cursorRect(c).bottomRight() + QPoint(1,1));
cursorPos.setX(cursorPos.x() + d->m_extraArea->width());
editableInterface(); // create if necessary
emit d->m_editable->tooltipRequested(editableInterface(), cursorPos, c.position());
return true;
}
return QPlainTextEdit::viewportEvent(event);
}
void BaseTextEditor::resizeEvent(QResizeEvent *e)
{
QPlainTextEdit::resizeEvent(e);
QRect cr = viewport()->rect();
d->m_extraArea->setGeometry(
QStyle::visualRect(layoutDirection(), cr,
QRect(cr.left(), cr.top(), extraAreaWidth(), cr.height())));
}
QRect BaseTextEditor::collapseBox()
{
if (d->m_highlightBlocksInfo.isEmpty() || d->extraAreaHighlightCollapseBlockNumber < 0)
return QRect();
QTextBlock begin = document()->findBlockByNumber(d->m_highlightBlocksInfo.open.last());
if (TextBlockUserData::hasCollapseAfter(begin.previous()))
begin = begin.previous();
QTextBlock end = document()->findBlockByNumber(d->m_highlightBlocksInfo.close.first());
if (!begin.isValid() || !end.isValid())
return QRect();
QRectF br = blockBoundingGeometry(begin).translated(contentOffset());
QRectF er = blockBoundingGeometry(end).translated(contentOffset());
return QRect(d->m_extraArea->width() - collapseBoxWidth(fontMetrics()),
int(br.top()),
collapseBoxWidth(fontMetrics()),
er.bottom() - br.top());
}
QTextBlock BaseTextEditor::collapsedBlockAt(const QPoint &pos, QRect *box) const {
QPointF offset(contentOffset());
QTextBlock block = firstVisibleBlock();
int top = (int)blockBoundingGeometry(block).translated(offset).top();
int bottom = top + (int)blockBoundingRect(block).height();
int viewportHeight = viewport()->height();
while (block.isValid() && top <= viewportHeight) {
QTextBlock nextBlock = block.next();
if (block.isVisible() && bottom >= 0) {
if (nextBlock.isValid() && !nextBlock.isVisible()) {
QTextLayout *layout = block.layout();
QTextLine line = layout->lineAt(layout->lineCount()-1);
QRectF lineRect = line.naturalTextRect().translated(offset.x(), top);
lineRect.adjust(0, 0, -1, -1);
QRectF collapseRect(lineRect.right() + 12,
lineRect.top(),
fontMetrics().width(QLatin1String(" {...}; ")),
lineRect.height());
if (collapseRect.contains(pos)) {
QTextBlock result = block;
if (box)
*box = collapseRect.toAlignedRect();
return result;
} else {
block = nextBlock;
while (nextBlock.isValid() && !nextBlock.isVisible()) {
block = nextBlock;
nextBlock = block.next();
}
}
}
}
block = nextBlock;
top = bottom;
bottom = top + (int)blockBoundingRect(block).height();
}
return QTextBlock();
}
void BaseTextEditorPrivate::highlightSearchResults(const QTextBlock &block,
QVector<QTextLayout::FormatRange> *selections)
{
if (m_searchExpr.isEmpty())
return;
QString text = block.text();
text.replace(QChar::Nbsp, QLatin1Char(' '));
int idx = -1;
while (idx < text.length()) {
idx = m_searchExpr.indexIn(text, idx + 1);
if (idx < 0)
break;
int l = m_searchExpr.matchedLength();
if ((m_findFlags & Find::IFindSupport::FindWholeWords) && ((idx && text.at(idx-1).isLetterOrNumber())
|| (idx + l < text.length() && text.at(idx + l).isLetterOrNumber())))
continue;
if (m_findScope.isNull()
|| (block.position() + idx >= m_findScope.selectionStart()
&& block.position() + idx + l <= m_findScope.selectionEnd())) {
QTextLayout::FormatRange selection;
selection.start = idx;
selection.length = l;
selection.format = m_searchResultFormat;
selections->append(selection);
}
}
}
namespace TextEditor {
namespace Internal {
struct BlockSelectionData {
int selectionIndex;
int selectionStart;
int selectionEnd;
int firstColumn;
int lastColumn;
};
}
}
void BaseTextEditorPrivate::clearBlockSelection()
{
if (m_inBlockSelectionMode) {
m_inBlockSelectionMode = false;
QTextCursor cursor = q->textCursor();
cursor.clearSelection();
q->setTextCursor(cursor);
}
}
QString BaseTextEditorPrivate::copyBlockSelection()
{
QString text;
QTextCursor cursor = q->textCursor();
if (!cursor.hasSelection())
return text;
QTextDocument *doc = q->document();
int start = cursor.selectionStart();
int end = cursor.selectionEnd();
QTextBlock startBlock = doc->findBlock(start);
int columnA = start - startBlock.position();
QTextBlock endBlock = doc->findBlock(end);
int columnB = end - endBlock.position();
int firstColumn = qMin(columnA, columnB);
int lastColumn = qMax(columnA, columnB) + m_blockSelectionExtraX;
QTextBlock block = startBlock;
for (;;) {
cursor.setPosition(block.position() + qMin(block.length()-1, firstColumn));
cursor.setPosition(block.position() + qMin(block.length()-1, lastColumn), QTextCursor::KeepAnchor);
text += cursor.selectedText();
if (block == endBlock)
break;
text += QLatin1Char('\n');
block = block.next();
}
return text;}
void BaseTextEditorPrivate::removeBlockSelection(const QString &text)
{
QTextCursor cursor = q->textCursor();
if (!cursor.hasSelection())
return;
QTextDocument *doc = q->document();
int start = cursor.selectionStart();
int end = cursor.selectionEnd();
QTextBlock startBlock = doc->findBlock(start);
int columnA = start - startBlock.position();
QTextBlock endBlock = doc->findBlock(end);
int columnB = end - endBlock.position();
int firstColumn = qMin(columnA, columnB);
int lastColumn = qMax(columnA, columnB) + m_blockSelectionExtraX;
cursor.clearSelection();
cursor.beginEditBlock();
QTextBlock block = startBlock;
for (;;) {
cursor.setPosition(block.position() + qMin(block.length()-1, firstColumn));
cursor.setPosition(block.position() + qMin(block.length()-1, lastColumn), QTextCursor::KeepAnchor);
cursor.removeSelectedText();
if (block == endBlock)
break;
block = block.next();
}
cursor.setPosition(start);
if (!text.isEmpty())
cursor.insertText(text);
cursor.endEditBlock();
q->setTextCursor(cursor);
}
void BaseTextEditorPrivate::moveCursorVisible(bool ensureVisible)
{
QTextCursor cursor = q->textCursor();
if (!cursor.block().isVisible()) {
cursor.setVisualNavigation(true);
cursor.movePosition(QTextCursor::Up);
q->setTextCursor(cursor);
}
if (ensureVisible)
q->ensureCursorVisible();
}
static QColor calcBlendColor(const QColor &baseColor, int factor = 1)
{
const int blendBase = (baseColor.value() > 128) ? 0 : 255;
// Darker backgrounds may need a bit more contrast
const int blendFactor = (baseColor.value() > 128) ? 16 : 32;
QColor blendColor = baseColor;
while (factor--) {
blendColor = QColor(
(blendBase * blendFactor + blendColor.red() * (256 - blendFactor)) / 256,
(blendBase * blendFactor + blendColor.green() * (256 - blendFactor)) / 256,
(blendBase * blendFactor + blendColor.blue() * (256 - blendFactor)) / 256);
}
return blendColor;
}
static QColor calcBlendColor(const QColor &baseColor, int level, int count)
{ QColor color80;
QColor color90;
if (baseColor.value() > 128) {
const int f90 = 15;
const int f80 = 30;
color80.setRgb(qMax(0, baseColor.red() - f80),
qMax(0, baseColor.green() - f80),
qMax(0, baseColor.blue() - f80));
color90.setRgb(qMax(0, baseColor.red() - f90),
qMax(0, baseColor.green() - f90),
qMax(0, baseColor.blue() - f90));
} else {
const int f90 = 20;
const int f80 = 40;
color80.setRgb(qMin(255, baseColor.red() + f80),
qMin(255, baseColor.green() + f80),
qMin(255, baseColor.blue() + f80));
color90.setRgb(qMin(255, baseColor.red() + f90),
qMin(255, baseColor.green() + f90),
qMin(255, baseColor.blue() + f90));
}
if (level == count)
return baseColor;
if (level == 0)
return color80;
if (level == count - 1)
return color90;
const int blendFactor = level * (256 / (count - 2));
return QColor(
(color90.red() * blendFactor + color80.red() * (256 - blendFactor)) / 256,
(color90.green() * blendFactor + color80.green() * (256 - blendFactor)) / 256,
(color90.blue() * blendFactor + color80.blue() * (256 - blendFactor)) / 256);
}
void BaseTextEditor::paintEvent(QPaintEvent *e)
{
/*
Here comes an almost verbatim copy of
QPlainTextEdit::paintEvent() so we can adjust the extra
selections dynamically to indicate all search results.
*/
//begin QPlainTextEdit::paintEvent()
QPainter painter(viewport());
QTextDocument *doc = document();
TextEditDocumentLayout *documentLayout = qobject_cast<TextEditDocumentLayout*>(doc->documentLayout());
QTC_ASSERT(documentLayout, return);
QPointF offset(contentOffset());
bool hasMainSelection = textCursor().hasSelection();
QRect er = e->rect();
QRect viewportRect = viewport()->rect();
const QColor baseColor = palette().base().color();
const QColor blendColor = calcBlendColor(baseColor);
qreal lineX = 0;
if (d->m_visibleWrapColumn > 0) {
lineX = fontMetrics().averageCharWidth() * d->m_visibleWrapColumn + offset.x() + 4;
painter.fillRect(QRectF(lineX, 0, viewportRect.width() - lineX, viewportRect.height()), blendColor);
}
// // keep right margin clean from full-width selection// int maxX = offset.x() + qMax((qreal)viewportRect.width(), documentLayout->documentSize().width())
// - doc->documentMargin();
// er.setRight(qMin(er.right(), maxX));
// painter.setClipRect(er);
bool editable = !isReadOnly();
QTextBlock block = firstVisibleBlock();
QAbstractTextDocumentLayout::PaintContext context = getPaintContext();
if (!d->m_findScope.isNull()) {
QAbstractTextDocumentLayout::Selection selection;
selection.format.setBackground(d->m_searchScopeFormat.background());
selection.cursor = d->m_findScope;
context.selections.prepend(selection);
}
BlockSelectionData *blockSelection = 0;
if (d->m_inBlockSelectionMode
&& context.selections.count() && context.selections.last().cursor == textCursor()) {
blockSelection = new BlockSelectionData;
blockSelection->selectionIndex = context.selections.size()-1;
const QAbstractTextDocumentLayout::Selection &selection = context.selections[blockSelection->selectionIndex];
int start = blockSelection->selectionStart = selection.cursor.selectionStart();
int end = blockSelection->selectionEnd = selection.cursor.selectionEnd();
QTextBlock block = doc->findBlock(start);
int columnA = start - block.position();
block = doc->findBlock(end);
int columnB = end - block.position();
blockSelection->firstColumn = qMin(columnA, columnB);
blockSelection->lastColumn = qMax(columnA, columnB) + d->m_blockSelectionExtraX;
}
QTextBlock visibleCollapsedBlock;
QPointF visibleCollapsedBlockOffset;
while (block.isValid()) {
QRectF r = blockBoundingRect(block).translated(offset);
if (!d->m_highlightBlocksInfo.isEmpty()) {
int n = block.blockNumber();
int depth = 0;
foreach (int i, d->m_highlightBlocksInfo.open)
if (n >= i)
++depth;
foreach (int i, d->m_highlightBlocksInfo.close)
if (n > i)
--depth;
int count = d->m_highlightBlocksInfo.count();
if (count) {
QRectF rr = r;
rr.setWidth(viewport()->width());
if (lineX > 0)
rr.setRight(qMin(lineX, rr.right()));
for (int i = 0; i <= depth; ++i) {
int vi = i > 0 ? d->m_highlightBlocksInfo.visualIndent.at(i-1) : 0;
painter.fillRect(rr.adjusted(vi, 0, -8*i, 0), calcBlendColor(baseColor, i, count));
}
}
}
QTextLayout *layout = block.layout();
QTextOption option = layout->textOption();
if (TextEditDocumentLayout::ifdefedOut(block)) {
option.setFlags(option.flags() | QTextOption::SuppressColors);
painter.setPen(d->m_ifdefedOutFormat.foreground().color());
} else {
option.setFlags(option.flags() & ~QTextOption::SuppressColors);
painter.setPen(context.palette.text().color());
}
layout->setTextOption(option);
if (r.bottom() >= er.top() && r.top() <= er.bottom()) {
int blpos = block.position();
int bllen = block.length();
QVector<QTextLayout::FormatRange> selections;
QVector<QTextLayout::FormatRange> prioritySelections;
for (int i = 0; i < context.selections.size(); ++i) {
const QAbstractTextDocumentLayout::Selection &range = context.selections.at(i);
const int selStart = range.cursor.selectionStart() - blpos;
const int selEnd = range.cursor.selectionEnd() - blpos;
if (selStart < bllen && selEnd > 0
&& selEnd > selStart) {
QTextLayout::FormatRange o;
o.start = selStart;
o.length = selEnd - selStart;
o.format = range.format;
if (blockSelection && blockSelection->selectionIndex == i) {
o.start = qMin(blockSelection->firstColumn, bllen-1);
o.length = qMin(blockSelection->lastColumn, bllen-1) - o.start;
}
if ((hasMainSelection && i == context.selections.size()-1)
|| (o.format.foreground().style() == Qt::NoBrush
&& o.format.underlineStyle() != QTextCharFormat::NoUnderline
&& o.format.background() == Qt::NoBrush))
prioritySelections.append(o);
else
selections.append(o);
} else if (!range.cursor.hasSelection() && range.format.hasProperty(QTextFormat::FullWidthSelection)
&& block.contains(range.cursor.position())) {
// for full width selections we don't require an actual selection, just
// a position to specify the line. that's more convenience in usage.
QTextLayout::FormatRange o;
QTextLine l = layout->lineForTextPosition(range.cursor.position() - blpos);
o.start = l.textStart();
o.length = l.textLength();
if (o.start + o.length == bllen - 1)
++o.length; // include newline
o.format = range.format;
selections.append(o);
}
}
d->highlightSearchResults(block, &selections);
selections += prioritySelections;
bool drawCursor = ((editable || true) // we want the cursor in read-only mode
&& context.cursorPosition >= blpos
&& context.cursorPosition < blpos + bllen);
bool drawCursorAsBlock = drawCursor && overwriteMode() ;
if (drawCursorAsBlock) {
if (context.cursorPosition == blpos + bllen - 1) {
drawCursorAsBlock = false;
} else {
QTextLayout::FormatRange o;
o.start = context.cursorPosition - blpos;
o.length = 1;
o.format.setForeground(palette().base()); o.format.setBackground(palette().text());
selections.append(o);
}
}
layout->draw(&painter, offset, selections, er);
if ((drawCursor && !drawCursorAsBlock)
|| (editable && context.cursorPosition < -1
&& !layout->preeditAreaText().isEmpty())) {
int cpos = context.cursorPosition;
if (cpos < -1)
cpos = layout->preeditAreaPosition() - (cpos + 2);
else
cpos -= blpos;
layout->drawCursor(&painter, offset, cpos, cursorWidth());
}
}
offset.ry() += r.height();
if (offset.y() > viewportRect.height())
break;
block = block.next();
if (!block.isVisible()) {
if (block.blockNumber() == d->visibleCollapsedBlockNumber) {
visibleCollapsedBlock = block;
visibleCollapsedBlockOffset = offset + QPointF(0,1);
}
// invisible blocks do have zero line count
block = doc->findBlockByLineNumber(block.firstLineNumber());
}
}
if (backgroundVisible() && !block.isValid() && offset.y() <= er.bottom()
&& (centerOnScroll() || verticalScrollBar()->maximum() == verticalScrollBar()->minimum())) {
painter.fillRect(QRect(QPoint((int)er.left(), (int)offset.y()), er.bottomRight()), palette().background());
}
//end QPlainTextEdit::paintEvent()
delete blockSelection;
offset = contentOffset();
block = firstVisibleBlock();
int top = (int)blockBoundingGeometry(block).translated(offset).top();
int bottom = top + (int)blockBoundingRect(block).height();
QTextCursor cursor = textCursor();
bool hasSelection = cursor.hasSelection();
int selectionStart = cursor.selectionStart();
int selectionEnd = cursor.selectionEnd();
while (block.isValid() && top <= e->rect().bottom()) {
QTextBlock nextBlock = block.next();
QTextBlock nextVisibleBlock = nextBlock;
if (!nextVisibleBlock.isVisible())
// invisible blocks do have zero line count
nextVisibleBlock = doc->findBlockByLineNumber(nextVisibleBlock.firstLineNumber());
if (block.isVisible() && bottom >= e->rect().top()) {
if (d->m_displaySettings.m_visualizeWhitespace) {
QTextLayout *layout = block.layout();
int lineCount = layout->lineCount();
if (lineCount >= 2 || !nextBlock.isValid()) {
painter.save(); painter.setPen(Qt::lightGray);
for (int i = 0; i < lineCount-1; ++i) { // paint line wrap indicator
QTextLine line = layout->lineAt(i);
QRectF lineRect = line.naturalTextRect().translated(offset.x(), top);
QChar visualArrow((ushort)0x21b5);
painter.drawText(static_cast<int>(lineRect.right()),
static_cast<int>(lineRect.top() + line.ascent()), visualArrow);
}
if (!nextBlock.isValid()) { // paint EOF symbol
QTextLine line = layout->lineAt(lineCount-1);
QRectF lineRect = line.naturalTextRect().translated(offset.x(), top);
int h = 4;
lineRect.adjust(0, 0, -1, -1);
QPainterPath path;
QPointF pos(lineRect.topRight() + QPointF(h+4, line.ascent()));
path.moveTo(pos);
path.lineTo(pos + QPointF(-h, -h));
path.lineTo(pos + QPointF(0, -2*h));
path.lineTo(pos + QPointF(h, -h));
path.closeSubpath();
painter.setBrush(painter.pen().color());
painter.drawPath(path);
}
painter.restore();
}
}
if (nextBlock.isValid() && !nextBlock.isVisible()) {
bool selectThis = (hasSelection
&& nextBlock.position() >= selectionStart
&& nextBlock.position() < selectionEnd);
if (selectThis) {
painter.save();
painter.setBrush(palette().highlight());
}
QTextLayout *layout = block.layout();
QTextLine line = layout->lineAt(layout->lineCount()-1);
QRectF lineRect = line.naturalTextRect().translated(offset.x(), top);
lineRect.adjust(0, 0, -1, -1);
QRectF collapseRect(lineRect.right() + 12,
lineRect.top(),
fontMetrics().width(QLatin1String(" {...}; ")),
lineRect.height());
painter.setRenderHint(QPainter::Antialiasing, true);
painter.translate(.5, .5);
painter.drawRoundedRect(collapseRect.adjusted(0, 0, 0, -1), 3, 3);
painter.setRenderHint(QPainter::Antialiasing, false);
painter.translate(-.5, -.5);
QString replacement = QLatin1String("...");
QTextBlock info = block;
if (block.userData()
&& static_cast<TextBlockUserData*>(block.userData())->collapseMode() == TextBlockUserData::CollapseAfter)
;
else if (block.next().userData()
&& static_cast<TextBlockUserData*>(block.next().userData())->collapseMode()
== TextBlockUserData::CollapseThis) {
replacement.prepend(nextBlock.text().trimmed().left(1));
info = nextBlock;
}
block = nextVisibleBlock.previous();
if (!block.isValid())
block = doc->lastBlock();
if (info.userData()
&& static_cast<TextBlockUserData*>(info.userData())->collapseIncludesClosure()) {
QString right = block.text().trimmed();
if (right.endsWith(QLatin1Char(';'))) {
right.chop(1);
right = right.trimmed();
replacement.append(right.right(right.endsWith(QLatin1Char('/')) ? 2 : 1));
replacement.append(QLatin1Char(';'));
} else {
replacement.append(right.right(right.endsWith(QLatin1Char('/')) ? 2 : 1));
}
}
if (selectThis)
painter.setPen(palette().highlightedText().color());
painter.drawText(collapseRect, Qt::AlignCenter, replacement);
if (selectThis)
painter.restore();
}
}
block = nextVisibleBlock;
top = bottom;
bottom = top + (int)blockBoundingRect(block).height();
}
if (visibleCollapsedBlock.isValid() ) {
int margin = doc->documentMargin();
qreal maxWidth = 0;
qreal blockHeight = 0;
QTextBlock b = visibleCollapsedBlock;
while (!b.isVisible() && visibleCollapsedBlockOffset.y() + blockHeight <= e->rect().bottom()) {
b.setVisible(true); // make sure block bounding rect works
QRectF r = blockBoundingRect(b).translated(visibleCollapsedBlockOffset);
QTextLayout *layout = b.layout();
for (int i = layout->lineCount()-1; i >= 0; --i)
maxWidth = qMax(maxWidth, layout->lineAt(i).naturalTextWidth() + margin);
blockHeight += r.height();
b.setVisible(false); // restore previous state
b = b.next();
}
painter.save();
painter.setRenderHint(QPainter::Antialiasing, true);
painter.translate(.5, .5);
QColor color = blendColor;
// color.setAlpha(240); // someone thinks alpha blending looks messy
painter.setBrush(color);
painter.drawRoundedRect(QRectF(visibleCollapsedBlockOffset.x(),
visibleCollapsedBlockOffset.y(),
maxWidth, blockHeight).adjusted(0, 0, 0, 0), 3, 3);
painter.restore();
QTextBlock end = b;
b = visibleCollapsedBlock;
while (b != end) {
b.setVisible(true); // make sure block bounding rect works
QRectF r = blockBoundingRect(b).translated(visibleCollapsedBlockOffset);
QTextLayout *layout = b.layout();
QVector<QTextLayout::FormatRange> selections;
d->highlightSearchResults(b, &selections);
layout->draw(&painter, visibleCollapsedBlockOffset, selections, er);
b.setVisible(false); // restore previous state
visibleCollapsedBlockOffset.ry() += r.height();
b = b.next();
} }
if (d->m_animator && d->m_animator->isRunning()) {
QTextCursor cursor = textCursor();
cursor.setPosition(d->m_animator->position());
d->m_animator->draw(&painter, cursorRect(cursor).topLeft());
}
if (lineX > 0) {
const QColor bg = palette().base().color();
QColor col = (bg.value() > 128) ? Qt::black : Qt::white;
col.setAlpha(32);
painter.setPen(QPen(col, 0));
painter.drawLine(QPointF(lineX, 0), QPointF(lineX, viewport()->height()));
}
}
QWidget *BaseTextEditor::extraArea() const
{
return d->m_extraArea;
}
int BaseTextEditor::extraAreaWidth(int *markWidthPtr) const
{
TextEditDocumentLayout *documentLayout = qobject_cast<TextEditDocumentLayout*>(document()->documentLayout());
if (!documentLayout)
return 0;
if (!d->m_marksVisible && documentLayout->hasMarks)
d->m_marksVisible = true;
int space = 0;
const QFontMetrics fm(d->m_extraArea->fontMetrics());
if (d->m_lineNumbersVisible) {
QFont fnt = d->m_extraArea->font();
// this works under the assumption that bold or italic can only make a font wider
fnt.setBold(d->m_currentLineNumberFormat.font().bold());
fnt.setItalic(d->m_currentLineNumberFormat.font().italic());
const QFontMetrics linefm(fnt);
int digits = 2;
int max = qMax(1, blockCount());
while (max >= 100) {
max /= 10;
++digits;
}
space += linefm.width(QLatin1Char('9')) * digits;
}
int markWidth = 0;
if (d->m_marksVisible) {
markWidth += fm.lineSpacing();
// if (documentLayout->doubleMarkCount)
// markWidth += fm.lineSpacing() / 3;
space += markWidth;
} else {
space += 2;
}
if (markWidthPtr)
*markWidthPtr = markWidth;
space += 4;
if (d->m_codeFoldingVisible)
space += collapseBoxWidth(fm);
return space;
}
void BaseTextEditor::slotUpdateExtraAreaWidth()
{
if (isLeftToRight())
setViewportMargins(extraAreaWidth(), 0, 0, 0);
else
setViewportMargins(0, 0, extraAreaWidth(), 0);
}
static void drawRectBox(QPainter *painter, const QRect &rect, bool start, bool end,
const QPalette &pal)
{
painter->save();
painter->setRenderHint(QPainter::Antialiasing, false);
QRgb b = pal.base().color().rgb();
QRgb h = pal.highlight().color().rgb();
QColor c = StyleHelper::mergedColors(b,h, 50);
QLinearGradient grad(rect.topLeft(), rect.topRight());
grad.setColorAt(0, c.lighter(110));
grad.setColorAt(1, c.lighter(130));
QColor outline = c;
QRect r = rect;
painter->fillRect(rect, grad);
painter->setPen(outline);
if (start)
painter->drawLine(rect.topLeft() + QPoint(1, 0), rect.topRight() - QPoint(1, 0));
if (end)
painter->drawLine(rect.bottomLeft() + QPoint(1, 0), rect.bottomRight() - QPoint(1, 0));
painter->drawLine(rect.topRight() + QPoint(0, start ? 1 : 0), rect.bottomRight() - QPoint(0, end ? 1 : 0));
painter->drawLine(rect.topLeft() + QPoint(0, start ? 1 : 0), rect.bottomLeft() - QPoint(0, end ? 1 : 0));
painter->restore();
}
void BaseTextEditor::extraAreaPaintEvent(QPaintEvent *e)
{
QTextDocument *doc = document();
TextEditDocumentLayout *documentLayout = qobject_cast<TextEditDocumentLayout*>(doc->documentLayout());
QTC_ASSERT(documentLayout, return);
int selStart = textCursor().selectionStart();
int selEnd = textCursor().selectionEnd();
const QColor baseColor = palette().base().color();
QPalette pal = d->m_extraArea->palette();
pal.setCurrentColorGroup(QPalette::Active);
QPainter painter(d->m_extraArea);
const QFontMetrics fm(d->m_extraArea->font());
int fmLineSpacing = fm.lineSpacing();
int markWidth = 0;
if (d->m_marksVisible)
markWidth += fm.lineSpacing();
// if (documentLayout->doubleMarkCount)
// markWidth += fm.lineSpacing() / 3;
const int collapseColumnWidth = d->m_codeFoldingVisible ? collapseBoxWidth(fm): 0;
const int extraAreaWidth = d->m_extraArea->width() - collapseColumnWidth;
painter.fillRect(e->rect(), pal.color(QPalette::Base));
painter.fillRect(e->rect().intersected(QRect(0, 0, extraAreaWidth, INT_MAX)),
pal.color(QPalette::Background));
QTextBlock block = firstVisibleBlock();
int blockNumber = block.blockNumber();
int top = (int) blockBoundingGeometry(block).translated(contentOffset()).top(); int bottom = top;
while (block.isValid() && top <= e->rect().bottom()) {
top = bottom;
bottom = top + (int)blockBoundingRect(block).height();
QTextBlock nextBlock = block.next();
QTextBlock nextVisibleBlock = nextBlock;
int nextVisibleBlockNumber = blockNumber + 1;
if (!nextVisibleBlock.isVisible()) {
// invisible blocks do have zero line count
nextVisibleBlock = doc->findBlockByLineNumber(nextVisibleBlock.firstLineNumber());
nextVisibleBlockNumber = nextVisibleBlock.blockNumber();
}
painter.setPen(pal.color(QPalette::Dark));
if (d->m_codeFoldingVisible || d->m_marksVisible) {
painter.save();
painter.setRenderHint(QPainter::Antialiasing, false);
int previousBraceDepth = block.previous().userState();
if (previousBraceDepth >= 0)
previousBraceDepth >>= 8;
else
previousBraceDepth = 0;
int braceDepth = block.userState();
if (!nextBlock.isVisible()) {
QTextBlock lastInvisibleBlock = nextVisibleBlock.previous();
if (!lastInvisibleBlock.isValid())
lastInvisibleBlock = doc->lastBlock();
braceDepth = lastInvisibleBlock.userState();
}
if (braceDepth >= 0)
braceDepth >>= 8;
else
braceDepth = 0;
if (TextBlockUserData *userData = static_cast<TextBlockUserData*>(block.userData())) {
if (d->m_marksVisible) {
int xoffset = 0;
foreach (ITextMark *mrk, userData->marks()) {
int x = 0;
int radius = fmLineSpacing - 1;
QRect r(x + xoffset, top, radius, radius);
mrk->icon().paint(&painter, r, Qt::AlignCenter);
xoffset += 2;
}
}
}
if (d->m_codeFoldingVisible) {
bool collapseThis = false;
bool collapseAfter = false;
bool hasClosingCollapse = false;
if (TextBlockUserData *userData = static_cast<TextBlockUserData*>(block.userData())) {
if (!userData->ifdefedOut()) {
collapseAfter = (userData->collapseMode() == TextBlockUserData::CollapseAfter);
collapseThis = (userData->collapseMode() == TextBlockUserData::CollapseThis);
hasClosingCollapse = userData->hasClosingCollapse() && (previousBraceDepth > 0);
}
}
int extraAreaHighlightCollapseBlockNumber = -1;
int extraAreaHighlightCollapseEndBlockNumber = -1; bool endIsVisible = false;
if (!d->m_highlightBlocksInfo.isEmpty()) {
extraAreaHighlightCollapseBlockNumber = d->m_highlightBlocksInfo.open.last();
extraAreaHighlightCollapseEndBlockNumber = d->m_highlightBlocksInfo.close.first();
endIsVisible = doc->findBlockByNumber(extraAreaHighlightCollapseEndBlockNumber).isVisible();
QTextBlock before = doc->findBlockByNumber(extraAreaHighlightCollapseBlockNumber-1);
if (TextBlockUserData::hasCollapseAfter(before)) {
extraAreaHighlightCollapseBlockNumber--;
}
}
TextBlockUserData *nextBlockUserData = TextEditDocumentLayout::testUserData(nextBlock);
bool collapseNext = nextBlockUserData
&& nextBlockUserData->collapseMode() == TextBlockUserData::CollapseThis
&& !nextBlockUserData->ifdefedOut();
bool nextHasClosingCollapse = nextBlockUserData
&& nextBlockUserData->hasClosingCollapseInside()
&& nextBlockUserData->ifdefedOut();
bool drawBox = ((collapseAfter || collapseNext) && !nextHasClosingCollapse);
bool active = blockNumber == extraAreaHighlightCollapseBlockNumber;
bool drawStart = drawBox && active;
bool drawEnd = blockNumber == extraAreaHighlightCollapseEndBlockNumber || (drawStart && !endIsVisible);
bool hovered = blockNumber >= extraAreaHighlightCollapseBlockNumber
&& blockNumber <= extraAreaHighlightCollapseEndBlockNumber;
int boxWidth = collapseBoxWidth(fm);
if (hovered) {
QRect box = QRect(extraAreaWidth + 1, top, boxWidth - 2, bottom - top);
drawRectBox(&painter, box, drawStart, drawEnd, pal);
}
if (drawBox) {
bool expanded = nextBlock.isVisible();
int size = boxWidth/4;
QRect box(extraAreaWidth + size, top + size,
2 * (size) + 1, 2 * (size) + 1);
drawFoldingMarker(&painter, pal, box, expanded, active, hovered);
}
}
painter.restore();
}
if (d->m_revisionsVisible && block.revision() != documentLayout->lastSaveRevision) {
painter.save();
painter.setRenderHint(QPainter::Antialiasing, false);
if (block.revision() < 0)
painter.setPen(QPen(Qt::darkGreen, 2));
else
painter.setPen(QPen(Qt::red, 2));
painter.drawLine(extraAreaWidth - 1, top, extraAreaWidth - 1, bottom - 1);
painter.restore();
}
if (d->m_lineNumbersVisible) {
const QString &number = QString::number(blockNumber + 1);
bool selected = (
(selStart < block.position() + block.length()
&& selEnd > block.position())
|| (selStart == selEnd && selStart == block.position())
);
if (selected) {
painter.save();
QFont f = painter.font();
f.setBold(d->m_currentLineNumberFormat.font().bold()); f.setItalic(d->m_currentLineNumberFormat.font().italic());
painter.setFont(f);
painter.setPen(d->m_currentLineNumberFormat.foreground().color());
}
painter.drawText(markWidth, top, extraAreaWidth - markWidth - 4, fm.height(), Qt::AlignRight, number);
if (selected)
painter.restore();
}
block = nextVisibleBlock;
blockNumber = nextVisibleBlockNumber;
}
}
void BaseTextEditor::drawFoldingMarker(QPainter *painter, const QPalette &pal,
const QRect &rect,
bool expanded,
bool active,
bool hovered) const
{
Q_UNUSED(active)
Q_UNUSED(hovered)
QStyle *s = style();
if (ManhattanStyle *ms = qobject_cast<ManhattanStyle*>(s))
s = ms->systemStyle();
if (!qstrcmp(s->metaObject()->className(), "OxygenStyle")) {
painter->save();
painter->setPen(Qt::NoPen);
int size = rect.size().width();
int sqsize = 2*(size/2);
QColor textColor = pal.buttonText().color();
QColor brushColor = textColor;
textColor.setAlpha(100);
brushColor.setAlpha(100);
QPolygon a;
if (expanded) {
// down arrow
a.setPoints(3, 0, sqsize/3, sqsize/2, sqsize - sqsize/3, sqsize, sqsize/3);
} else {
// right arrow
a.setPoints(3, sqsize - sqsize/3, sqsize/2, sqsize/2 - sqsize/3, 0, sqsize/2 - sqsize/3, sqsize);
painter->setBrush(brushColor);
}
painter->translate(0.5, 0.5);
painter->setRenderHint(QPainter::Antialiasing);
painter->translate(rect.topLeft());
painter->setPen(textColor);
painter->setBrush(textColor);
painter->drawPolygon(a);
painter->restore();
} else {
QStyleOptionViewItemV2 opt;
opt.rect = rect;
opt.state = QStyle::State_Active | QStyle::State_Item | QStyle::State_Children;
if (expanded)
opt.state |= QStyle::State_Open;
if (active)
opt.state |= QStyle::State_MouseOver | QStyle::State_Enabled | QStyle::State_Selected;
if (hovered)
opt.palette.setBrush(QPalette::Window, pal.highlight());
// QGtkStyle needs a small correction to draw the marker in the right place
if (!qstrcmp(s->metaObject()->className(), "QGtkStyle"))
opt.rect.translate(-2, 0);
else if (!qstrcmp(s->metaObject()->className(), "QMacStyle"))
opt.rect.translate(-1, 0);
s->drawPrimitive(QStyle::PE_IndicatorBranch, &opt, painter, this);
}
}
void BaseTextEditor::slotModificationChanged(bool m)
{
if (m)
return;
QTextDocument *doc = document();
TextEditDocumentLayout *documentLayout = qobject_cast<TextEditDocumentLayout*>(doc->documentLayout());
QTC_ASSERT(documentLayout, return);
int oldLastSaveRevision = documentLayout->lastSaveRevision;
documentLayout->lastSaveRevision = doc->revision();
if (oldLastSaveRevision != documentLayout->lastSaveRevision) {
QTextBlock block = doc->begin();
while (block.isValid()) {
if (block.revision() < 0 || block.revision() != oldLastSaveRevision) {
block.setRevision(-documentLayout->lastSaveRevision - 1);
} else {
block.setRevision(documentLayout->lastSaveRevision);
}
block = block.next();
}
}
d->m_extraArea->update();
}
void BaseTextEditor::slotUpdateRequest(const QRect &r, int dy)
{
if (dy)
d->m_extraArea->scroll(0, dy);
else if (r.width() > 4) { // wider than cursor width, not just cursor blinking
d->m_extraArea->update(0, r.y(), d->m_extraArea->width(), r.height());
}
if (r.contains(viewport()->rect()))
slotUpdateExtraAreaWidth();
}
void BaseTextEditor::saveCurrentCursorPositionForNavigation()
{
d->m_lastCursorChangeWasInteresting = true;
d->m_tempNavigationState = saveState();
}
void BaseTextEditor::updateCurrentLineHighlight()
{
QList<QTextEdit::ExtraSelection> extraSelections;
if (d->m_highlightCurrentLine) {
QTextEdit::ExtraSelection sel;
sel.format.setBackground(d->m_currentLineFormat.background());
sel.format.setProperty(QTextFormat::FullWidthSelection, true);
sel.cursor = textCursor();
sel.cursor.clearSelection();
extraSelections.append(sel);
}
setExtraSelections(CurrentLineSelection, extraSelections);
}
void BaseTextEditor::slotCursorPositionChanged()
{
#if 0
qDebug() << "block" << textCursor().blockNumber()+1
<< "depth:" << TextEditDocumentLayout::braceDepth(textCursor().block())
<< "/" << TextEditDocumentLayout::braceDepth(document()->lastBlock());#endif
if (!d->m_contentsChanged && d->m_lastCursorChangeWasInteresting) {
Core::EditorManager::instance()->addCurrentPositionToNavigationHistory(editableInterface(), d->m_tempNavigationState);
d->m_lastCursorChangeWasInteresting = false;
} else if (d->m_contentsChanged) {
saveCurrentCursorPositionForNavigation();
}
if (d->m_parenthesesMatchingEnabled) {
// Delay update when no matching is displayed yet, to avoid flicker
if (extraSelections(ParenthesesMatchingSelection).isEmpty()
&& d->m_animator == 0) {
d->m_parenthesesMatchingTimer->start(50);
} else {
// use 0-timer, not direct call, to give the syntax highlighter a chance
// to update the parantheses information
d->m_parenthesesMatchingTimer->start(0);
}
}
updateCurrentLineHighlight();
if (d->m_displaySettings.m_highlightBlocks) {
QTextCursor cursor = textCursor();
d->extraAreaHighlightCollapseBlockNumber = cursor.blockNumber();
d->extraAreaHighlightCollapseColumn = cursor.position() - cursor.block().position();
d->m_highlightBlocksTimer->start(100);
}
}
void BaseTextEditor::slotUpdateBlockNotify(const QTextBlock &block)
{
static bool blockRecursion = false;
if (blockRecursion)
return;
if (block.previous().isValid() && block.userState() != block.previous().userState()) {
/* The syntax highlighting state changes. This opens up for
the possibility that the paragraph has braces that support
code folding. In this case, do the save thing and also
update the previous block, which might contain a collapse
box which now is invalid.*/
blockRecursion = true;
emit requestBlockUpdate(block.previous());
blockRecursion = false;
}
}
void BaseTextEditor::timerEvent(QTimerEvent *e)
{
if (e->timerId() == d->autoScrollTimer.timerId()) {
const QPoint globalPos = QCursor::pos();
const QPoint pos = d->m_extraArea->mapFromGlobal(globalPos);
QRect visible = d->m_extraArea->rect();
verticalScrollBar()->triggerAction( pos.y() < visible.center().y() ?
QAbstractSlider::SliderSingleStepSub
: QAbstractSlider::SliderSingleStepAdd);
QMouseEvent ev(QEvent::MouseMove, pos, globalPos, Qt::LeftButton, Qt::LeftButton, Qt::NoModifier);
extraAreaMouseEvent(&ev);
int delta = qMax(pos.y() - visible.top(), visible.bottom() - pos.y()) - visible.height();
if (delta < 7)
delta = 7;
int timeout = 4900 / (delta * delta);
d->autoScrollTimer.start(timeout, this);
} else if (e->timerId() == d->collapsedBlockTimer.timerId()) {
d->visibleCollapsedBlockNumber = d->suggestedVisibleCollapsedBlockNumber;
d->suggestedVisibleCollapsedBlockNumber = -1;
d->collapsedBlockTimer.stop();
viewport()->update();
} QPlainTextEdit::timerEvent(e);
}
void BaseTextEditorPrivate::clearVisibleCollapsedBlock()
{
if (suggestedVisibleCollapsedBlockNumber) {
suggestedVisibleCollapsedBlockNumber = -1;
collapsedBlockTimer.stop();
}
if (visibleCollapsedBlockNumber >= 0) {
visibleCollapsedBlockNumber = -1;
q->viewport()->update();
}
}
void BaseTextEditor::mouseMoveEvent(QMouseEvent *e)
{
d->m_lastEventWasBlockSelectionEvent = (e->modifiers() & Qt::AltModifier);
bool linkFound = false;
if (d->m_mouseNavigationEnabled && e->modifiers() & Qt::ControlModifier) {
// Link emulation behaviour for 'go to definition'
const QTextCursor cursor = cursorForPosition(e->pos());
// Check that the mouse was actually on the text somewhere
bool onText = cursorRect(cursor).right() >= e->x();
if (!onText) {
QTextCursor nextPos = cursor;
nextPos.movePosition(QTextCursor::Right);
onText = cursorRect(nextPos).right() >= e->x();
}
const Link link = findLinkAt(cursor, false);
if (onText && link.isValid()) {
showLink(link);
linkFound = true;
}
}
if (!linkFound)
clearLink();
if (e->buttons() == Qt::NoButton) {
const QTextBlock collapsedBlock = collapsedBlockAt(e->pos());
const int blockNumber = collapsedBlock.next().blockNumber();
if (blockNumber < 0) {
d->clearVisibleCollapsedBlock();
} else if (blockNumber != d->visibleCollapsedBlockNumber) {
d->suggestedVisibleCollapsedBlockNumber = blockNumber;
d->collapsedBlockTimer.start(40, this);
}
// Update the mouse cursor
if (collapsedBlock.isValid() && !d->m_mouseOnCollapsedMarker) {
d->m_mouseOnCollapsedMarker = true;
viewport()->setCursor(Qt::PointingHandCursor);
} else if (!collapsedBlock.isValid() && d->m_mouseOnCollapsedMarker) {
d->m_mouseOnCollapsedMarker = false;
viewport()->setCursor(Qt::IBeamCursor);
}
} else {
QPlainTextEdit::mouseMoveEvent(e);
}
if (d->m_lastEventWasBlockSelectionEvent && d->m_inBlockSelectionMode) {
if (textCursor().atBlockEnd()) {
d->m_blockSelectionExtraX = qMax(0, e->pos().x() - cursorRect().center().x()) / fontMetrics().averageCharWidth(); } else {
d->m_blockSelectionExtraX = 0;
}
}
if (viewport()->cursor().shape() == Qt::BlankCursor)
viewport()->setCursor(Qt::IBeamCursor);
}
void BaseTextEditor::mousePressEvent(QMouseEvent *e)
{
if (e->button() == Qt::LeftButton) {
d->clearBlockSelection(); // just in case, otherwise we might get strange drag and drop
QTextBlock collapsedBlock = collapsedBlockAt(e->pos());
if (collapsedBlock.isValid()) {
toggleBlockVisible(collapsedBlock);
viewport()->setCursor(Qt::IBeamCursor);
}
}
QPlainTextEdit::mousePressEvent(e);
}
void BaseTextEditor::mouseReleaseEvent(QMouseEvent *e)
{
if (d->m_mouseNavigationEnabled && e->modifiers() & Qt::ControlModifier
&& !(e->modifiers() & Qt::ShiftModifier)
&& e->button() == Qt::LeftButton) {
const QTextCursor cursor = cursorForPosition(e->pos());
if (openLink(findLinkAt(cursor))) {
clearLink();
return;
}
}
QPlainTextEdit::mouseReleaseEvent(e);
}
void BaseTextEditor::leaveEvent(QEvent *e)
{
// Clear link emulation when the mouse leaves the editor
clearLink();
QPlainTextEdit::leaveEvent(e);
}
void BaseTextEditor::keyReleaseEvent(QKeyEvent *e)
{
// Clear link emulation when Ctrl is released
if (e->key() == Qt::Key_Control)
clearLink();
QPlainTextEdit::keyReleaseEvent(e);
}
void BaseTextEditor::extraAreaLeaveEvent(QEvent *)
{
// fake missing mouse move event from Qt
QMouseEvent me(QEvent::MouseMove, QPoint(-1, -1), Qt::NoButton, 0, 0);
extraAreaMouseEvent(&me);
}
void BaseTextEditor::extraAreaMouseEvent(QMouseEvent *e)
{
QTextCursor cursor = cursorForPosition(QPoint(0, e->pos().y()));
cursor.setPosition(cursor.block().position());
int markWidth;
extraAreaWidth(&markWidth);
if (d->m_codeFoldingVisible && e->type() == QEvent::MouseMove && e->buttons() == 0) { // mouse tracking
// Update which folder marker is highlighted
const int highlightBlockNumber = d->extraAreaHighlightCollapseBlockNumber;
const int highlightColumn = d->extraAreaHighlightCollapseColumn;
d->extraAreaHighlightCollapseBlockNumber = -1;
d->extraAreaHighlightCollapseColumn = -1;
if (e->pos().x() > extraArea()->width() - collapseBoxWidth(fontMetrics())) {
d->extraAreaHighlightCollapseBlockNumber = cursor.blockNumber();
if (TextBlockUserData::canCollapse(cursor.block())
|| !TextBlockUserData::hasClosingCollapse(cursor.block()))
d->extraAreaHighlightCollapseColumn = cursor.block().length()-1;
if (TextBlockUserData::hasCollapseAfter(cursor.block())) {
d->extraAreaHighlightCollapseBlockNumber++;
d->extraAreaHighlightCollapseColumn = -1;
if (TextBlockUserData::canCollapse(cursor.block().next())
|| !TextBlockUserData::hasClosingCollapse(cursor.block().next()))
d->extraAreaHighlightCollapseColumn = cursor.block().next().length()-1;
}
} else if (d->m_displaySettings.m_highlightBlocks) {
QTextCursor cursor = textCursor();
d->extraAreaHighlightCollapseBlockNumber = cursor.blockNumber();
d->extraAreaHighlightCollapseColumn = cursor.position() - cursor.block().position();
}
if (highlightBlockNumber != d->extraAreaHighlightCollapseBlockNumber
|| highlightColumn != d->extraAreaHighlightCollapseColumn) {
d->m_highlightBlocksTimer->start(d->m_highlightBlocksInfo.isEmpty() ? 120 : 0);
}
}
// Set whether the mouse cursor is a hand or normal arrow
if (e->type() == QEvent::MouseMove) {
bool hand = (e->pos().x() <= markWidth);
if (hand != (d->m_extraArea->cursor().shape() == Qt::PointingHandCursor))
d->m_extraArea->setCursor(hand ? Qt::PointingHandCursor : Qt::ArrowCursor);
}
if (e->type() == QEvent::MouseButtonPress || e->type() == QEvent::MouseButtonDblClick) {
if (e->button() == Qt::LeftButton) {
int boxWidth = collapseBoxWidth(fontMetrics());
if (d->m_codeFoldingVisible && e->pos().x() > extraArea()->width() - boxWidth) {
if (!cursor.block().next().isVisible()) {
toggleBlockVisible(cursor.block());
d->moveCursorVisible(false);
} else if (collapseBox().contains(e->pos())) {
cursor.setPosition(
document()->findBlockByNumber(d->m_highlightBlocksInfo.open.last()).position()
);
QTextBlock c = cursor.block();
if (TextBlockUserData::hasCollapseAfter(c.previous()))
c = c.previous();
toggleBlockVisible(c);
d->moveCursorVisible(false);
}
} else if (d->m_marksVisible && e->pos().x() > markWidth) {
QTextCursor selection = cursor;
selection.setVisualNavigation(true);
d->extraAreaSelectionAnchorBlockNumber = selection.blockNumber();
selection.movePosition(QTextCursor::EndOfBlock, QTextCursor::KeepAnchor);
selection.movePosition(QTextCursor::Right, QTextCursor::KeepAnchor);
setTextCursor(selection);
} else {
d->extraAreaToggleMarkBlockNumber = cursor.blockNumber();
}
} else if (d->m_marksVisible && e->button() == Qt::RightButton) {
QMenu * contextMenu = new QMenu(this);
emit d->m_editable->markContextMenuRequested(editableInterface(), cursor.blockNumber() + 1, contextMenu);
if (!contextMenu->isEmpty())
contextMenu->exec(e->globalPos()); delete contextMenu;
}
} else if (d->extraAreaSelectionAnchorBlockNumber >= 0) {
QTextCursor selection = cursor;
selection.setVisualNavigation(true);
if (e->type() == QEvent::MouseMove) {
QTextBlock anchorBlock = document()->findBlockByNumber(d->extraAreaSelectionAnchorBlockNumber);
selection.setPosition(anchorBlock.position());
if (cursor.blockNumber() < d->extraAreaSelectionAnchorBlockNumber) {
selection.movePosition(QTextCursor::EndOfBlock);
selection.movePosition(QTextCursor::Right);
}
selection.setPosition(cursor.block().position(), QTextCursor::KeepAnchor);
if (cursor.blockNumber() >= d->extraAreaSelectionAnchorBlockNumber) {
selection.movePosition(QTextCursor::EndOfBlock, QTextCursor::KeepAnchor);
selection.movePosition(QTextCursor::Right, QTextCursor::KeepAnchor);
}
if (e->pos().y() >= 0 && e->pos().y() <= d->m_extraArea->height())
d->autoScrollTimer.stop();
else if (!d->autoScrollTimer.isActive())
d->autoScrollTimer.start(100, this);
} else {
d->autoScrollTimer.stop();
d->extraAreaSelectionAnchorBlockNumber = -1;
return;
}
setTextCursor(selection);
} else if (d->extraAreaToggleMarkBlockNumber >= 0 && d->m_marksVisible && d->m_requestMarkEnabled) {
if (e->type() == QEvent::MouseButtonRelease && e->button() == Qt::LeftButton) {
int n = d->extraAreaToggleMarkBlockNumber;
d->extraAreaToggleMarkBlockNumber = -1;
if (cursor.blockNumber() == n) {
int line = n + 1;
emit d->m_editable->markRequested(editableInterface(), line);
}
}
}
}
QTextBlock TextBlockUserData::testCollapse(const QTextBlock& block)
{
QTextBlock info = block;
if (block.userData() && static_cast<TextBlockUserData*>(block.userData())->collapseMode() == CollapseAfter)
;
else if (block.next().userData()
&& static_cast<TextBlockUserData*>(block.next().userData())->collapseMode()
== TextBlockUserData::CollapseThis)
info = block.next();
else
return QTextBlock();
int pos = static_cast<TextBlockUserData*>(info.userData())->collapseAtPos();
if (pos < 0)
return QTextBlock();
QTextCursor cursor(info);
cursor.setPosition(cursor.position() + pos);
matchCursorForward(&cursor);
return cursor.block();
}
void TextBlockUserData::doCollapse(const QTextBlock& block, bool visible)
{
QTextBlock info = block;
if (block.userData() && static_cast<TextBlockUserData*>(block.userData())->collapseMode() == CollapseAfter)
;
else if (block.next().userData()
&& static_cast<TextBlockUserData*>(block.next().userData())->collapseMode()
== TextBlockUserData::CollapseThis)
info = block.next(); else {
if (visible && !block.next().isVisible()) {
// no match, at least unfold!
QTextBlock b = block.next();
while (b.isValid() && !b.isVisible()) {
b.setVisible(true);
b.setLineCount(visible ? qMax(1, b.layout()->lineCount()) : 0);
b = b.next();
}
}
return;
}
int pos = static_cast<TextBlockUserData*>(info.userData())->collapseAtPos();
if (pos < 0)
return;
QTextCursor cursor(info);
cursor.setPosition(cursor.position() + pos);
if (matchCursorForward(&cursor) != Match) {
if (visible) {
// no match, at least unfold!
QTextBlock b = block.next();
while (b.isValid() && !b.isVisible()) {
b.setVisible(true);
b.setLineCount(visible ? qMax(1, b.layout()->lineCount()) : 0);
b = b.next();
}
}
return;
}
QTextBlock b = block.next();
while (b < cursor.block()) {
b.setVisible(visible);
b.setLineCount(visible ? qMax(1, b.layout()->lineCount()) : 0);
if (visible) {
TextBlockUserData *data = canCollapse(b);
if (data && data->collapsed()) {
QTextBlock end = testCollapse(b);
if (data->collapseIncludesClosure())
end = end.next();
if (end.isValid()) {
b = end;
continue;
}
}
}
b = b.next();
}
bool collapseIncludesClosure = hasClosingCollapseAtEnd(b);
if (collapseIncludesClosure) {
b.setVisible(visible);
b.setLineCount(visible ? qMax(1, b.layout()->lineCount()) : 0);
}
static_cast<TextBlockUserData*>(info.userData())->setCollapseIncludesClosure(collapseIncludesClosure);
static_cast<TextBlockUserData*>(info.userData())->setCollapsed(!block.next().isVisible());
}
void BaseTextEditor::ensureCursorVisible()
{
QTextBlock block = textCursor().block();
if (!block.isVisible()) {
while (!block.isVisible() && block.previous().isValid())
block = block.previous();
toggleBlockVisible(block);
}
QPlainTextEdit::ensureCursorVisible();
}
void BaseTextEditor::toggleBlockVisible(const QTextBlock &block)
{
TextEditDocumentLayout *documentLayout = qobject_cast<TextEditDocumentLayout*>(document()->documentLayout());
QTC_ASSERT(documentLayout, return);
bool visible = block.next().isVisible();
TextBlockUserData::doCollapse(block, !visible);
documentLayout->requestUpdate();
documentLayout->emitDocumentSizeChanged();
}
const TabSettings &BaseTextEditor::tabSettings() const
{
return d->m_document->tabSettings();
}
const DisplaySettings &BaseTextEditor::displaySettings() const
{
return d->m_displaySettings;
}
void BaseTextEditor::indentOrUnindent(bool doIndent)
{
QTextCursor cursor = textCursor();
cursor.beginEditBlock();
int pos = cursor.position();
const TextEditor::TabSettings &tabSettings = d->m_document->tabSettings();
QTextDocument *doc = document();
if (!cursor.hasSelection()
|| (doc->findBlock(cursor.selectionStart()) == doc->findBlock(cursor.selectionEnd()) )) {
cursor.removeSelectedText();
QTextBlock block = cursor.block();
QString text = block.text();
int indentPosition = (cursor.position() - block.position());;
int spaces = tabSettings.spacesLeftFromPosition(text, indentPosition);
int startColumn = tabSettings.columnAt(text, indentPosition - spaces);
int targetColumn = tabSettings.indentedColumn(tabSettings.columnAt(text, indentPosition), doIndent);
cursor.setPosition(block.position() + indentPosition);
cursor.setPosition(block.position() + indentPosition - spaces, QTextCursor::KeepAnchor);
cursor.removeSelectedText();
cursor.insertText(tabSettings.indentationString(startColumn, targetColumn));
} else {
int anchor = cursor.anchor();
int start = qMin(anchor, pos);
int end = qMax(anchor, pos);
QTextBlock startBlock = doc->findBlock(start);
QTextBlock endBlock = doc->findBlock(end-1).next();
for (QTextBlock block = startBlock; block != endBlock; block = block.next()) {
QString text = block.text();
int indentPosition = tabSettings.lineIndentPosition(text);
if (!doIndent && !indentPosition)
indentPosition = tabSettings.firstNonSpace(text);
int targetColumn = tabSettings.indentedColumn(tabSettings.columnAt(text, indentPosition), doIndent);
cursor.setPosition(block.position() + indentPosition);
cursor.insertText(tabSettings.indentationString(0, targetColumn));
cursor.setPosition(block.position());
cursor.setPosition(block.position() + indentPosition, QTextCursor::KeepAnchor);
cursor.removeSelectedText();
}
}
cursor.endEditBlock();
}
void BaseTextEditor::handleHomeKey(bool anchor)
{
QTextCursor cursor = textCursor();
QTextCursor::MoveMode mode = QTextCursor::MoveAnchor;
if (anchor)
mode = QTextCursor::KeepAnchor;
const int initpos = cursor.position();
int pos = cursor.block().position();
QChar character = characterAt(pos);
const QLatin1Char tab = QLatin1Char('\t');
while (character == tab || character.category() == QChar::Separator_Space) {
++pos;
if (pos == initpos)
break;
character = characterAt(pos);
}
// Go to the start of the block when we're already at the start of the text
if (pos == initpos)
pos = cursor.block().position();
cursor.setPosition(pos, mode);
setTextCursor(cursor);
}
void BaseTextEditor::handleBackspaceKey()
{
QTextCursor cursor = textCursor();
int pos = cursor.position();
QTC_ASSERT(!cursor.hasSelection(), return);
const TextEditor::TabSettings &tabSettings = d->m_document->tabSettings();
if (autoBackspace(cursor))
return;
if (!tabSettings.m_smartBackspace) {
cursor.deletePreviousChar();
return;
}
QTextBlock currentBlock = cursor.block();
int positionInBlock = pos - currentBlock.position();
const QString blockText = currentBlock.text();
if (cursor.atBlockStart() || tabSettings.firstNonSpace(blockText) < positionInBlock) {
cursor.deletePreviousChar();
return;
}
int previousIndent = 0;
const int indent = tabSettings.columnAt(blockText, positionInBlock);
for (QTextBlock previousNonEmptyBlock = currentBlock.previous();
previousNonEmptyBlock.isValid();
previousNonEmptyBlock = previousNonEmptyBlock.previous()) {
QString previousNonEmptyBlockText = previousNonEmptyBlock.text();
if (previousNonEmptyBlockText.trimmed().isEmpty())
continue;
previousIndent = tabSettings.columnAt(previousNonEmptyBlockText,
tabSettings.firstNonSpace(previousNonEmptyBlockText));
if (previousIndent < indent) {
cursor.beginEditBlock();
cursor.setPosition(currentBlock.position(), QTextCursor::KeepAnchor);
cursor.insertText(tabSettings.indentationString(previousNonEmptyBlockText)); cursor.endEditBlock();
break;
}
}
}
void BaseTextEditor::wheelEvent(QWheelEvent *e)
{
d->clearVisibleCollapsedBlock();
if (e->modifiers() & Qt::ControlModifier) {
const int delta = e->delta();
if (delta < 0)
zoomOut();
else if (delta > 0)
zoomIn();
return;
}
QPlainTextEdit::wheelEvent(e);
}
void BaseTextEditor::zoomIn(int range)
{
d->clearVisibleCollapsedBlock();
QFont f = font();
const int newSize = f.pointSize() + range;
if (newSize <= 0)
return;
emit requestFontSize(newSize);
// f.setPointSize(newSize);
// setFont(f);
}
void BaseTextEditor::zoomOut(int range)
{
zoomIn(-range);
}
bool BaseTextEditor::isElectricCharacter(const QChar &) const
{
return false;
}
QString BaseTextEditor::autoComplete(QTextCursor &cursor, const QString &text) const
{
Q_UNUSED(cursor);
Q_UNUSED(text);
return QString();
}
bool BaseTextEditor::autoBackspace(QTextCursor &cursor)
{
Q_UNUSED(cursor);
return false;
}
int BaseTextEditor::paragraphSeparatorAboutToBeInserted(QTextCursor &cursor)
{
Q_UNUSED(cursor);
return 0;
}
void BaseTextEditor::indentBlock(QTextDocument *, QTextBlock, QChar)
{
}
void BaseTextEditor::indent(QTextDocument *doc, const QTextCursor &cursor, QChar typedChar)
{
if (cursor.hasSelection()) {
QTextBlock block = doc->findBlock(cursor.selectionStart());
const QTextBlock end = doc->findBlock(cursor.selectionEnd()).next(); do {
indentBlock(doc, block, typedChar);
block = block.next();
} while (block.isValid() && block != end);
} else {
indentBlock(doc, cursor.block(), typedChar);
}
}
void BaseTextEditor::reindent(QTextDocument *doc, const QTextCursor &cursor)
{
if (cursor.hasSelection()) {
QTextBlock block = doc->findBlock(cursor.selectionStart());
const QTextBlock end = doc->findBlock(cursor.selectionEnd()).next();
const TabSettings &ts = d->m_document->tabSettings();
int previousIndentation = ts.indentationColumn(block.text());
indentBlock(doc, block, QChar::Null);
int currentIndentation = ts.indentationColumn(block.text());
int delta = currentIndentation - previousIndentation;
block = block.next();
while (block.isValid() && block != end) {
ts.reindentLine(block, delta);
block = block.next();
}
} else {
indentBlock(doc, cursor.block(), QChar::Null);
}
}
BaseTextEditor::Link BaseTextEditor::findLinkAt(const QTextCursor &, bool)
{
return Link();
}
bool BaseTextEditor::openLink(const Link &link)
{
if (link.fileName.isEmpty())
return false;
if (baseTextDocument()->fileName() == link.fileName) {
Core::EditorManager *editorManager = Core::EditorManager::instance();
editorManager->addCurrentPositionToNavigationHistory();
gotoLine(link.line, link.column);
setFocus();
return true;
}
return openEditorAt(link.fileName, link.line, link.column);
}
void BaseTextEditor::showLink(const Link &link)
{
QTextEdit::ExtraSelection sel;
sel.cursor = textCursor();
sel.cursor.setPosition(link.pos);
sel.cursor.setPosition(link.pos + link.length, QTextCursor::KeepAnchor);
sel.format = d->m_linkFormat;
sel.format.setFontUnderline(true);
setExtraSelections(OtherSelection, QList<QTextEdit::ExtraSelection>() << sel);
viewport()->setCursor(Qt::PointingHandCursor);
d->m_showingLink = true;
}
void BaseTextEditor::clearLink()
{
if (!d->m_showingLink)
return;
setExtraSelections(OtherSelection, QList<QTextEdit::ExtraSelection>());
viewport()->setCursor(Qt::IBeamCursor);
d->m_showingLink = false;
}
void BaseTextEditorPrivate::updateMarksBlock(const QTextBlock &block)
{
if (const TextBlockUserData *userData = TextEditDocumentLayout::testUserData(block))
foreach (ITextMark *mrk, userData->marks()) {
mrk->updateBlock(block);
}
}
void BaseTextEditorPrivate::updateMarksLineNumber()
{
QTextDocument *doc = q->document();
QTextBlock block = doc->begin();
int blockNumber = 0;
while (block.isValid()) {
if (const TextBlockUserData *userData = TextEditDocumentLayout::testUserData(block))
foreach (ITextMark *mrk, userData->marks()) {
mrk->updateLineNumber(blockNumber + 1);
}
block = block.next();
++blockNumber;
}
}
void BaseTextEditor::markBlocksAsChanged(QList<int> blockNumbers)
{
QTextBlock block = document()->begin();
while (block.isValid()) {
if (block.revision() < 0)
block.setRevision(-block.revision() - 1);
block = block.next();
}
foreach (const int blockNumber, blockNumbers) {
QTextBlock block = document()->findBlockByNumber(blockNumber);
if (block.isValid())
block.setRevision(-block.revision() - 1);
}
}
TextBlockUserData::MatchType TextBlockUserData::checkOpenParenthesis(QTextCursor *cursor, QChar c)
{
QTextBlock block = cursor->block();
if (!TextEditDocumentLayout::hasParentheses(block) || TextEditDocumentLayout::ifdefedOut(block))
return NoMatch;
Parentheses parenList = TextEditDocumentLayout::parentheses(block);
Parenthesis openParen, closedParen;
QTextBlock closedParenParag = block;
const int cursorPos = cursor->position() - closedParenParag.position();
int i = 0;
int ignore = 0;
bool foundOpen = false;
for (;;) {
if (!foundOpen) {
if (i >= parenList.count())
return NoMatch;
openParen = parenList.at(i);
if (openParen.pos != cursorPos) {
++i;
continue;
} else {
foundOpen = true; ++i;
}
}
if (i >= parenList.count()) {
for (;;) {
closedParenParag = closedParenParag.next();
if (!closedParenParag.isValid())
return NoMatch;
if (TextEditDocumentLayout::hasParentheses(closedParenParag)
&& !TextEditDocumentLayout::ifdefedOut(closedParenParag)) {
parenList = TextEditDocumentLayout::parentheses(closedParenParag);
break;
}
}
i = 0;
}
closedParen = parenList.at(i);
if (closedParen.type == Parenthesis::Opened) {
ignore++;
++i;
continue;
} else {
if (ignore > 0) {
ignore--;
++i;
continue;
}
cursor->clearSelection();
cursor->setPosition(closedParenParag.position() + closedParen.pos + 1, QTextCursor::KeepAnchor);
if ((c == QLatin1Char('{') && closedParen.chr != QLatin1Char('}'))
|| (c == QLatin1Char('(') && closedParen.chr != QLatin1Char(')'))
|| (c == QLatin1Char('[') && closedParen.chr != QLatin1Char(']'))
|| (c == QLatin1Char('+') && closedParen.chr != QLatin1Char('-'))
)
return Mismatch;
return Match;
}
}
}
TextBlockUserData::MatchType TextBlockUserData::checkClosedParenthesis(QTextCursor *cursor, QChar c)
{
QTextBlock block = cursor->block();
if (!TextEditDocumentLayout::hasParentheses(block) || TextEditDocumentLayout::ifdefedOut(block))
return NoMatch;
Parentheses parenList = TextEditDocumentLayout::parentheses(block);
Parenthesis openParen, closedParen;
QTextBlock openParenParag = block;
const int cursorPos = cursor->position() - openParenParag.position();
int i = parenList.count() - 1;
int ignore = 0;
bool foundClosed = false;
for (;;) {
if (!foundClosed) {
if (i < 0)
return NoMatch;
closedParen = parenList.at(i);
if (closedParen.pos != cursorPos - 1) {
--i;
continue;
} else {
foundClosed = true;
--i; }
}
if (i < 0) {
for (;;) {
openParenParag = openParenParag.previous();
if (!openParenParag.isValid())
return NoMatch;
if (TextEditDocumentLayout::hasParentheses(openParenParag)
&& !TextEditDocumentLayout::ifdefedOut(openParenParag)) {
parenList = TextEditDocumentLayout::parentheses(openParenParag);
break;
}
}
i = parenList.count() - 1;
}
openParen = parenList.at(i);
if (openParen.type == Parenthesis::Closed) {
ignore++;
--i;
continue;
} else {
if (ignore > 0) {
ignore--;
--i;
continue;
}
cursor->clearSelection();
cursor->setPosition(openParenParag.position() + openParen.pos, QTextCursor::KeepAnchor);
if ((c == '}' && openParen.chr != '{') ||
(c == ')' && openParen.chr != '(') ||
(c == ']' && openParen.chr != '[') ||
(c == '-' && openParen.chr != '+'))
return Mismatch;
return Match;
}
}
}
bool TextBlockUserData::findPreviousOpenParenthesis(QTextCursor *cursor, bool select)
{
QTextBlock block = cursor->block();
int position = cursor->position();
int ignore = 0;
while (block.isValid()) {
Parentheses parenList = TextEditDocumentLayout::parentheses(block);
if (!parenList.isEmpty() && !TextEditDocumentLayout::ifdefedOut(block)) {
for (int i = parenList.count()-1; i >= 0; --i) {
Parenthesis paren = parenList.at(i);
if (block == cursor->block() &&
(position - block.position() <= paren.pos + (paren.type == Parenthesis::Closed ? 1 : 0)))
continue;
if (paren.type == Parenthesis::Closed) {
++ignore;
} else if (ignore > 0) {
--ignore;
} else {
cursor->setPosition(block.position() + paren.pos, select ? QTextCursor::KeepAnchor : QTextCursor::MoveAnchor);
return true;
}
}
}
block = block.previous();
} return false;
}
bool TextBlockUserData::findPreviousBlockOpenParenthesis(QTextCursor *cursor, bool checkStartPosition)
{
QTextBlock block = cursor->block();
int position = cursor->position();
int ignore = 0;
while (block.isValid()) {
Parentheses parenList = TextEditDocumentLayout::parentheses(block);
if (!parenList.isEmpty() && !TextEditDocumentLayout::ifdefedOut(block)) {
for (int i = parenList.count()-1; i >= 0; --i) {
Parenthesis paren = parenList.at(i);
if (paren.chr != QLatin1Char('{') && paren.chr != QLatin1Char('}')
&& paren.chr != QLatin1Char('+') && paren.chr != QLatin1Char('-'))
continue;
if (block == cursor->block()) {
if (position - block.position() <= paren.pos + (paren.type == Parenthesis::Closed ? 1 : 0))
continue;
if (checkStartPosition && paren.type == Parenthesis::Opened && paren.pos== cursor->position()) {
return true;
}
}
if (paren.type == Parenthesis::Closed) {
++ignore;
} else if (ignore > 0) {
--ignore;
} else {
cursor->setPosition(block.position() + paren.pos);
return true;
}
}
}
block = block.previous();
}
return false;
}
bool TextBlockUserData::findNextClosingParenthesis(QTextCursor *cursor, bool select)
{
QTextBlock block = cursor->block();
int position = cursor->position();
int ignore = 0;
while (block.isValid()) {
Parentheses parenList = TextEditDocumentLayout::parentheses(block);
if (!parenList.isEmpty() && !TextEditDocumentLayout::ifdefedOut(block)) {
for (int i = 0; i < parenList.count(); ++i) {
Parenthesis paren = parenList.at(i);
if (block == cursor->block() &&
(position - block.position() > paren.pos - (paren.type == Parenthesis::Opened ? 1 : 0)))
continue;
if (paren.type == Parenthesis::Opened) {
++ignore;
} else if (ignore > 0) {
--ignore;
} else {
cursor->setPosition(block.position() + paren.pos+1, select ? QTextCursor::KeepAnchor : QTextCursor::MoveAnchor);
return true;
}
}
}
block = block.next();
}
return false;
}
bool TextBlockUserData::findNextBlockClosingParenthesis(QTextCursor *cursor)
{
QTextBlock block = cursor->block();
int position = cursor->position(); int ignore = 0;
while (block.isValid()) {
Parentheses parenList = TextEditDocumentLayout::parentheses(block);
if (!parenList.isEmpty() && !TextEditDocumentLayout::ifdefedOut(block)) {
for (int i = 0; i < parenList.count(); ++i) {
Parenthesis paren = parenList.at(i);
if (paren.chr != QLatin1Char('{') && paren.chr != QLatin1Char('}')
&& paren.chr != QLatin1Char('+') && paren.chr != QLatin1Char('-'))
continue;
if (block == cursor->block() &&
(position - block.position() > paren.pos - (paren.type == Parenthesis::Opened ? 1 : 0)))
continue;
if (paren.type == Parenthesis::Opened) {
++ignore;
} else if (ignore > 0) {
--ignore;
} else {
cursor->setPosition(block.position() + paren.pos+1);
return true;
}
}
}
block = block.next();
}
return false;
}
TextBlockUserData::MatchType TextBlockUserData::matchCursorBackward(QTextCursor *cursor)
{
cursor->clearSelection();
const QTextBlock block = cursor->block();
if (!TextEditDocumentLayout::hasParentheses(block) || TextEditDocumentLayout::ifdefedOut(block))
return NoMatch;
const int relPos = cursor->position() - block.position();
Parentheses parentheses = TextEditDocumentLayout::parentheses(block);
const Parentheses::const_iterator cend = parentheses.constEnd();
for (Parentheses::const_iterator it = parentheses.constBegin();it != cend; ++it) {
const Parenthesis &paren = *it;
if (paren.pos == relPos - 1
&& paren.type == Parenthesis::Closed) {
return checkClosedParenthesis(cursor, paren.chr);
}
}
return NoMatch;
}
TextBlockUserData::MatchType TextBlockUserData::matchCursorForward(QTextCursor *cursor)
{
cursor->clearSelection();
const QTextBlock block = cursor->block();
if (!TextEditDocumentLayout::hasParentheses(block) || TextEditDocumentLayout::ifdefedOut(block))
return NoMatch;
const int relPos = cursor->position() - block.position();
Parentheses parentheses = TextEditDocumentLayout::parentheses(block);
const Parentheses::const_iterator cend = parentheses.constEnd();
for (Parentheses::const_iterator it = parentheses.constBegin();it != cend; ++it) {
const Parenthesis &paren = *it;
if (paren.pos == relPos
&& paren.type == Parenthesis::Opened) {
return checkOpenParenthesis(cursor, paren.chr);
}
}
return NoMatch;
}
void BaseTextEditor::highlightSearchResults(const QString &txt, Find::IFindSupport::FindFlags findFlags)
{
if (d->m_searchExpr.pattern() == txt)
return;
d->m_searchExpr.setPattern(txt);
d->m_searchExpr.setPatternSyntax((findFlags & Find::IFindSupport::FindRegularExpression) ?
QRegExp::RegExp : QRegExp::FixedString);
d->m_searchExpr.setCaseSensitivity((findFlags & Find::IFindSupport::FindCaseSensitively) ?
Qt::CaseSensitive : Qt::CaseInsensitive);
d->m_findFlags = findFlags;
viewport()->update();
}
void BaseTextEditor::setFindScope(const QTextCursor &scope)
{
if (scope.isNull() != d->m_findScope.isNull()) {
d->m_findScope = scope;
viewport()->update();
}
}
void BaseTextEditor::_q_animateUpdate(int position, QPointF lastPos, QRectF rect)
{
QTextCursor cursor(textCursor());
cursor.setPosition(position);
viewport()->update(QRectF(cursorRect(cursor).topLeft() + rect.topLeft(), rect.size()).toAlignedRect());
if (!lastPos.isNull())
viewport()->update(QRectF(lastPos + rect.topLeft(), rect.size()).toAlignedRect());
}
BaseTextEditorAnimator::BaseTextEditorAnimator(QObject *parent)
:QObject(parent)
{
m_value = 0;
m_timeline = new QTimeLine(256, this);
m_timeline->setCurveShape(QTimeLine::SineCurve);
connect(m_timeline, SIGNAL(valueChanged(qreal)), this, SLOT(step(qreal)));
connect(m_timeline, SIGNAL(finished()), this, SLOT(deleteLater()));
m_timeline->start();
}
void BaseTextEditorAnimator::setData(QFont f, QPalette pal, const QString &text)
{
m_font = f;
m_palette = pal;
m_text = text;
QFontMetrics fm(m_font);
m_size = QSizeF(fm.width(m_text), fm.height());
}
void BaseTextEditorAnimator::draw(QPainter *p, const QPointF &pos)
{
m_lastDrawPos = pos;
p->setPen(m_palette.text().color());
QFont f = m_font;
f.setPointSizeF(f.pointSizeF() * (1.0 + m_value/2));
QFontMetrics fm(f);
int width = fm.width(m_text);
QRectF r((m_size.width()-width)/2, (m_size.height() - fm.height())/2, width, fm.height());
r.translate(pos);
p->fillRect(r, m_palette.base());
p->setFont(f);
p->drawText(r, m_text);
}
bool BaseTextEditorAnimator::isRunning() const
{
return m_timeline->state() == QTimeLine::Running;
}
QRectF BaseTextEditorAnimator::rect() const
{
QFont f = m_font;
f.setPointSizeF(f.pointSizeF() * (1.0 + m_value/2));
QFontMetrics fm(f);
int width = fm.width(m_text);
return QRectF((m_size.width()-width)/2, (m_size.height() - fm.height())/2, width, fm.height());
}
void BaseTextEditorAnimator::step(qreal v)
{
QRectF before = rect();
m_value = v;
QRectF after = rect();
emit updateRequest(m_position, m_lastDrawPos, before.united(after));
}
void BaseTextEditorAnimator::finish()
{
m_timeline->stop();
step(0);
deleteLater();
}
void BaseTextEditor::_q_matchParentheses()
{
if (isReadOnly())
return;
QTextCursor backwardMatch = textCursor();
QTextCursor forwardMatch = textCursor();
const TextBlockUserData::MatchType backwardMatchType = TextBlockUserData::matchCursorBackward(&backwardMatch);
const TextBlockUserData::MatchType forwardMatchType = TextBlockUserData::matchCursorForward(&forwardMatch);
QList<QTextEdit::ExtraSelection> extraSelections;
if (backwardMatchType == TextBlockUserData::NoMatch && forwardMatchType == TextBlockUserData::NoMatch) {
setExtraSelections(ParenthesesMatchingSelection, extraSelections); // clear
return;
}
int animatePosition = -1;
if (backwardMatch.hasSelection()) {
QTextEdit::ExtraSelection sel;
if (backwardMatchType == TextBlockUserData::Mismatch) {
sel.cursor = backwardMatch;
sel.format = d->m_mismatchFormat;
} else {
if (d->m_displaySettings.m_animateMatchingParentheses) {
animatePosition = backwardMatch.selectionStart();
} else if (d->m_formatRange) {
sel.cursor = backwardMatch;
sel.format = d->m_rangeFormat;
extraSelections.append(sel);
}
sel.cursor = backwardMatch;
sel.format = d->m_matchFormat;
sel.cursor.setPosition(backwardMatch.selectionStart());
sel.cursor.movePosition(QTextCursor::NextCharacter, QTextCursor::KeepAnchor);
extraSelections.append(sel);
sel.cursor.setPosition(backwardMatch.selectionEnd()); sel.cursor.movePosition(QTextCursor::PreviousCharacter, QTextCursor::KeepAnchor);
}
extraSelections.append(sel);
}
if (forwardMatch.hasSelection()) {
QTextEdit::ExtraSelection sel;
if (forwardMatchType == TextBlockUserData::Mismatch) {
sel.cursor = forwardMatch;
sel.format = d->m_mismatchFormat;
} else {
if (d->m_displaySettings.m_animateMatchingParentheses) {
animatePosition = forwardMatch.selectionEnd()-1;
} else if (d->m_formatRange) {
sel.cursor = forwardMatch;
sel.format = d->m_rangeFormat;
extraSelections.append(sel);
}
sel.cursor = forwardMatch;
sel.format = d->m_matchFormat;
sel.cursor.setPosition(forwardMatch.selectionStart());
sel.cursor.movePosition(QTextCursor::NextCharacter, QTextCursor::KeepAnchor);
extraSelections.append(sel);
sel.cursor.setPosition(forwardMatch.selectionEnd());
sel.cursor.movePosition(QTextCursor::PreviousCharacter, QTextCursor::KeepAnchor);
}
extraSelections.append(sel);
}
if (animatePosition >= 0) {
foreach (QTextEdit::ExtraSelection sel, BaseTextEditor::extraSelections(ParenthesesMatchingSelection)) {
if (sel.cursor.selectionStart() == animatePosition
|| sel.cursor.selectionEnd() - 1 == animatePosition) {
animatePosition = -1;
break;
}
}
}
if (animatePosition >= 0) {
if (d->m_animator)
d->m_animator->finish(); // one animation is enough
d->m_animator = new BaseTextEditorAnimator(this);
d->m_animator->setPosition(animatePosition);
QPalette pal;
pal.setBrush(QPalette::Text, d->m_matchFormat.foreground());
pal.setBrush(QPalette::Base, d->m_rangeFormat.background());
d->m_animator->setData(font(), pal, characterAt(d->m_animator->position()));
connect(d->m_animator, SIGNAL(updateRequest(int,QPointF,QRectF)),
this, SLOT(_q_animateUpdate(int,QPointF,QRectF)));
}
setExtraSelections(ParenthesesMatchingSelection, extraSelections);
}
void BaseTextEditor::_q_highlightBlocks()
{
BaseTextEditorPrivateHighlightBlocks highlightBlocksInfo;
if (d->extraAreaHighlightCollapseBlockNumber >= 0) {
QTextBlock block = document()->findBlockByNumber(d->extraAreaHighlightCollapseBlockNumber);
if (block.isValid()) {
QTextCursor cursor(block);
if (d->extraAreaHighlightCollapseColumn >= 0)
cursor.setPosition(cursor.position() + qMin(d->extraAreaHighlightCollapseColumn, block.length()-1));
QTextCursor closeCursor;
bool firstRun = true;
while (TextBlockUserData::findPreviousBlockOpenParenthesis(&cursor, firstRun)) {
firstRun = false;
highlightBlocksInfo.open.prepend(cursor.blockNumber());
highlightBlocksInfo.visualIndent.prepend(d->visualIndent(cursor.block()));
if (closeCursor.isNull())
closeCursor = cursor;
if (TextBlockUserData::findNextBlockClosingParenthesis(&closeCursor))
highlightBlocksInfo.close.append(closeCursor.blockNumber());
}
}
}
if (d->m_highlightBlocksInfo != highlightBlocksInfo) {
d->m_highlightBlocksInfo = highlightBlocksInfo;
viewport()->update();
d->m_extraArea->update();
}
}
void BaseTextEditor::setActionHack(QObject *hack)
{
d->m_actionHack = hack;
}
QObject *BaseTextEditor::actionHack() const
{
return d->m_actionHack;
}
void BaseTextEditor::changeEvent(QEvent *e)
{
QPlainTextEdit::changeEvent(e);
if (e->type() == QEvent::ApplicationFontChange
|| e->type() == QEvent::FontChange) {
if (d->m_extraArea) {
QFont f = d->m_extraArea->font();
f.setPointSize(font().pointSize());
d->m_extraArea->setFont(f);
slotUpdateExtraAreaWidth();
d->m_extraArea->update();
}
}
}
void BaseTextEditor::maybeSelectLine()
{
QTextCursor cursor = textCursor();
if (!cursor.hasSelection()) {
const QTextBlock &block = cursor.block();
if (block.next().isValid()) {
cursor.setPosition(block.position());
cursor.setPosition(block.next().position(), QTextCursor::KeepAnchor);
} else {
cursor.movePosition(QTextCursor::EndOfBlock);
cursor.movePosition(QTextCursor::StartOfBlock, QTextCursor::KeepAnchor);
cursor.movePosition(QTextCursor::PreviousCharacter, QTextCursor::KeepAnchor);
}
setTextCursor(cursor);
}
}
// shift+del
void BaseTextEditor::cutLine()
{
maybeSelectLine();
cut();
}
void BaseTextEditor::deleteLine()
{
maybeSelectLine();
textCursor().removeSelectedText();
}
void BaseTextEditor::setExtraSelections(ExtraSelectionKind kind, const QList<QTextEdit::ExtraSelection> &selections)
{
if (selections.isEmpty() && d->m_extraSelections[kind].isEmpty())
return;
d->m_extraSelections[kind] = selections;
QList<QTextEdit::ExtraSelection> all;
for (int i = 0; i < NExtraSelectionKinds; ++i)
all += d->m_extraSelections[i];
QPlainTextEdit::setExtraSelections(all);
}
QList<QTextEdit::ExtraSelection> BaseTextEditor::extraSelections(ExtraSelectionKind kind) const
{
return d->m_extraSelections[kind];
}
// the blocks list must be sorted
void BaseTextEditor::setIfdefedOutBlocks(const QList<BaseTextEditor::BlockRange> &blocks)
{
QTextDocument *doc = document();
TextEditDocumentLayout *documentLayout = qobject_cast<TextEditDocumentLayout*>(doc->documentLayout());
QTC_ASSERT(documentLayout, return);
bool needUpdate = false;
QTextBlock block = doc->firstBlock();
int rangeNumber = 0;
int braceDepthDelta = 0;
while (block.isValid()) {
bool cleared = false;
bool set = false;
if (rangeNumber < blocks.size()) {
const BlockRange &range = blocks.at(rangeNumber);
if (block.position() >= range.first && (block.position() <= range.last || !range.last)) {
set = TextEditDocumentLayout::setIfdefedOut(block);
} else {
cleared = TextEditDocumentLayout::clearIfdefedOut(block);
}
if (block.contains(range.last))
++rangeNumber;
} else {
cleared = TextEditDocumentLayout::clearIfdefedOut(block);
}
if (cleared || set) {
needUpdate = true;
int delta = TextEditDocumentLayout::braceDepthDelta(block);
if (cleared)
braceDepthDelta += delta;
else if (set)
braceDepthDelta -= delta;
}
if (braceDepthDelta)
TextEditDocumentLayout::changeBraceDepth(block,braceDepthDelta);
block = block.next();
}
if (needUpdate)
documentLayout->requestUpdate();
}
void BaseTextEditor::format()
{
QTextCursor cursor = textCursor();
cursor.beginEditBlock();
indent(document(), cursor, QChar::Null);
cursor.endEditBlock();
}
void BaseTextEditor::rewrapParagraph()
{
const int paragraphWidth = displaySettings().m_wrapColumn;
const QRegExp anyLettersOrNumbers = QRegExp("\\w");
const int tabSize = tabSettings().m_tabSize;
QTextCursor cursor = textCursor();
cursor.beginEditBlock();
// Find start of paragraph.
while (cursor.movePosition(QTextCursor::PreviousBlock, QTextCursor::MoveAnchor)) {
QTextBlock block = cursor.block();
QString text = block.text();
// If this block is empty, move marker back to previous and terminate.
if (!text.contains(anyLettersOrNumbers)) {
cursor.movePosition(QTextCursor::NextBlock, QTextCursor::MoveAnchor);
break;
}
}
cursor.movePosition(QTextCursor::StartOfBlock, QTextCursor::MoveAnchor);
// Find indent level of current block.
int indentLevel = 0;
QString text = cursor.block().text();
for (int i = 0; i < text.length(); i++) {
const QChar ch = text.at(i);
if (ch == QLatin1Char(' '))
indentLevel++;
else if (ch == QLatin1Char('\t'))
indentLevel += tabSize - (indentLevel % tabSize);
else
break;
}
// If there is a common prefix, it should be kept and expanded to all lines.
// this allows nice reflowing of doxygen style comments.
QTextCursor nextBlock = cursor;
QString commonPrefix;
if (nextBlock.movePosition(QTextCursor::NextBlock))
{
QString nText = nextBlock.block().text();
int maxLength = qMin(text.length(), nText.length());
for (int i = 0; i < maxLength; ++i) {
const QChar ch = text.at(i);
if (ch != nText[i] || ch.isLetterOrNumber())
break;
commonPrefix.append(ch);
}
}
// Find end of paragraph.
while (cursor.movePosition(QTextCursor::NextBlock, QTextCursor::KeepAnchor)) {
QString text = cursor.block().text();
if (!text.contains(anyLettersOrNumbers))
break;
}
QString selectedText = cursor.selectedText();
// Preserve initial indent level.or common prefix.
QString spacing;
if (commonPrefix.isEmpty()) {
spacing = tabSettings().indentationString(0, indentLevel);
} else {
spacing = commonPrefix;
indentLevel = commonPrefix.length();
}
int currentLength = indentLevel;
QString result;
result.append(spacing);
// Remove existing instances of any common prefix from paragraph to
// reflow.
selectedText.remove(0, commonPrefix.length());
commonPrefix.prepend(QChar::ParagraphSeparator);
selectedText.replace(commonPrefix, QLatin1String("\n"));
// remove any repeated spaces, trim lines to PARAGRAPH_WIDTH width and
// keep the same indentation level as first line in paragraph.
QString currentWord;
for (int i = 0; i < selectedText.length(); ++i) {
QChar ch = selectedText.at(i);
if (ch.isSpace()) {
if (!currentWord.isEmpty()) {
currentLength += currentWord.length() + 1;
if (currentLength > paragraphWidth) {
currentLength = currentWord.length() + 1 + indentLevel;
result.chop(1); // remove trailing space
result.append(QChar::ParagraphSeparator);
result.append(spacing);
}
result.append(currentWord);
result.append(QLatin1Char(' '));
currentWord.clear();
}
continue;
}
currentWord.append(ch);
}
result.chop(1);
result.append(QChar::ParagraphSeparator);
cursor.insertText(result);
cursor.endEditBlock();
}
void BaseTextEditor::unCommentSelection()
{
}
void BaseTextEditor::showEvent(QShowEvent* e)
{
if (!d->m_fontSettings.isEmpty()) {
setFontSettings(d->m_fontSettings);
d->m_fontSettings.clear();
}
QPlainTextEdit::showEvent(e);
}
void BaseTextEditor::setFontSettingsIfVisible(const TextEditor::FontSettings &fs)
{
if (!isVisible()) {
d->m_fontSettings = fs;
return;
}
setFontSettings(fs);
}
void BaseTextEditor::setFontSettings(const TextEditor::FontSettings &fs)
{
const QTextCharFormat textFormat = fs.toTextCharFormat(QLatin1String(Constants::C_TEXT));
const QTextCharFormat selectionFormat = fs.toTextCharFormat(QLatin1String(Constants::C_SELECTION));
const QTextCharFormat lineNumberFormat = fs.toTextCharFormat(QLatin1String(Constants::C_LINE_NUMBER));
const QTextCharFormat searchResultFormat = fs.toTextCharFormat(QLatin1String(Constants::C_SEARCH_RESULT));
d->m_searchScopeFormat = fs.toTextCharFormat(QLatin1String(Constants::C_SEARCH_SCOPE));
const QTextCharFormat parenthesesFormat = fs.toTextCharFormat(QLatin1String(Constants::C_PARENTHESES));
d->m_currentLineFormat = fs.toTextCharFormat(QLatin1String(Constants::C_CURRENT_LINE));
d->m_currentLineNumberFormat = fs.toTextCharFormat(QLatin1String(Constants::C_CURRENT_LINE_NUMBER));
d->m_linkFormat = fs.toTextCharFormat(QLatin1String(TextEditor::Constants::C_LINK));
d->m_ifdefedOutFormat = fs.toTextCharFormat(QLatin1String(Constants::C_DISABLED_CODE));
QFont font(textFormat.font());
const QColor foreground = textFormat.foreground().color();
const QColor background = textFormat.background().color();
QPalette p = palette();
p.setColor(QPalette::Text, foreground);
p.setColor(QPalette::Foreground, foreground);
p.setColor(QPalette::Base, background);
p.setColor(QPalette::Highlight, (selectionFormat.background().style() != Qt::NoBrush) ?
selectionFormat.background().color() :
QApplication::palette().color(QPalette::Highlight));
p.setColor(QPalette::HighlightedText, selectionFormat.foreground().color());
p.setBrush(QPalette::Inactive, QPalette::Highlight, p.highlight());
p.setBrush(QPalette::Inactive, QPalette::HighlightedText, p.highlightedText());
setPalette(p);
setFont(font);
setTabSettings(d->m_document->tabSettings()); // update tabs, they depend on the font
// Line numbers
QPalette ep = d->m_extraArea->palette();
ep.setColor(QPalette::Dark, lineNumberFormat.foreground().color());
ep.setColor(QPalette::Background, lineNumberFormat.background().style() != Qt::NoBrush ?
lineNumberFormat.background().color() : background);
d->m_extraArea->setPalette(ep);
// Search results
d->m_searchResultFormat.setBackground(searchResultFormat.background());
// Matching braces
d->m_matchFormat.setForeground(parenthesesFormat.foreground());
d->m_rangeFormat.setBackground(parenthesesFormat.background());
slotUpdateExtraAreaWidth(); // Adjust to new font width
updateCurrentLineHighlight(); // Make sure it takes the new color
}
void BaseTextEditor::setTabSettings(const TabSettings &ts)
{ d->m_document->setTabSettings(ts);
int charWidth = QFontMetrics(font()).width(QChar(' '));
setTabStopWidth(charWidth * ts.m_tabSize);
}
void BaseTextEditor::setDisplaySettings(const DisplaySettings &ds)
{
setLineWrapMode(ds.m_textWrapping ? QPlainTextEdit::WidgetWidth : QPlainTextEdit::NoWrap);
setLineNumbersVisible(ds.m_displayLineNumbers);
setVisibleWrapColumn(ds.m_showWrapColumn ? ds.m_wrapColumn : 0);
setCodeFoldingVisible(ds.m_displayFoldingMarkers);
setHighlightCurrentLine(ds.m_highlightCurrentLine);
setRevisionsVisible(ds.m_markTextChanges);
setMouseNavigationEnabled(ds.m_mouseNavigation);
if (d->m_displaySettings.m_visualizeWhitespace != ds.m_visualizeWhitespace) {
if (QSyntaxHighlighter *highlighter = baseTextDocument()->syntaxHighlighter())
highlighter->rehighlight();
QTextOption option = document()->defaultTextOption();
if (ds.m_visualizeWhitespace)
option.setFlags(option.flags() | QTextOption::ShowTabsAndSpaces);
else
option.setFlags(option.flags() & ~QTextOption::ShowTabsAndSpaces);
option.setFlags(option.flags() | QTextOption::AddSpaceForLineAndParagraphSeparators);
document()->setDefaultTextOption(option);
}
d->m_displaySettings = ds;
if (!ds.m_highlightBlocks) {
d->extraAreaHighlightCollapseBlockNumber = d->extraAreaHighlightCollapseColumn = -1;
d->m_highlightBlocksInfo = BaseTextEditorPrivateHighlightBlocks();
}
slotCursorPositionChanged();
viewport()->update();
extraArea()->update();
}
void BaseTextEditor::setStorageSettings(const StorageSettings &storageSettings)
{
d->m_document->setStorageSettings(storageSettings);
}
void BaseTextEditor::collapse()
{
QTextDocument *doc = document();
TextEditDocumentLayout *documentLayout = qobject_cast<TextEditDocumentLayout*>(doc->documentLayout());
QTC_ASSERT(documentLayout, return);
QTextBlock block = textCursor().block();
QTextBlock curBlock = block;
while (block.isValid()) {
if (TextBlockUserData::canCollapse(block) && block.next().isVisible()) {
if (block == curBlock || block.next() == curBlock)
break;
if ((block.next().userState()) >> 8 <= (curBlock.previous().userState() >> 8))
break;
}
block = block.previous();
}
if (block.isValid()) {
TextBlockUserData::doCollapse(block, false);
d->moveCursorVisible();
documentLayout->requestUpdate();
documentLayout->emitDocumentSizeChanged();
}
}
void BaseTextEditor::expand()
{
QTextDocument *doc = document(); TextEditDocumentLayout *documentLayout = qobject_cast<TextEditDocumentLayout*>(doc->documentLayout());
QTC_ASSERT(documentLayout, return);
QTextBlock block = textCursor().block();
while (block.isValid() && !block.isVisible())
block = block.previous();
TextBlockUserData::doCollapse(block, true);
d->moveCursorVisible();
documentLayout->requestUpdate();
documentLayout->emitDocumentSizeChanged();
}
void BaseTextEditor::unCollapseAll()
{
QTextDocument *doc = document();
TextEditDocumentLayout *documentLayout = qobject_cast<TextEditDocumentLayout*>(doc->documentLayout());
QTC_ASSERT(documentLayout, return);
QTextBlock block = doc->firstBlock();
bool makeVisible = true;
while (block.isValid()) {
if (block.isVisible() && TextBlockUserData::canCollapse(block) && block.next().isVisible()) {
makeVisible = false;
break;
}
block = block.next();
}
block = doc->firstBlock();
while (block.isValid()) {
if (TextBlockUserData::canCollapse(block))
TextBlockUserData::doCollapse(block, makeVisible);
block = block.next();
}
d->moveCursorVisible();
documentLayout->requestUpdate();
documentLayout->emitDocumentSizeChanged();
centerCursor();
}
void BaseTextEditor::setTextCodec(QTextCodec *codec)
{
baseTextDocument()->setCodec(codec);
}
QTextCodec *BaseTextEditor::textCodec() const
{
return baseTextDocument()->codec();
}
void BaseTextEditor::setReadOnly(bool b)
{
QPlainTextEdit::setReadOnly(b);
if (b)
setTextInteractionFlags(textInteractionFlags() | Qt::TextSelectableByKeyboard);
}
void BaseTextEditor::cut()
{
if (d->m_inBlockSelectionMode) {
copy();
d->removeBlockSelection();
return;
}
QPlainTextEdit::cut();
}
void BaseTextEditor::paste()
{ if (d->m_inBlockSelectionMode) {
d->removeBlockSelection();
}
QPlainTextEdit::paste();
}
QMimeData *BaseTextEditor::createMimeDataFromSelection() const
{
if (d->m_inBlockSelectionMode) {
QMimeData *mimeData = new QMimeData;
QString text = d->copyBlockSelection();
mimeData->setData(QLatin1String("application/vnd.nokia.qtcreator.vblocktext"), text.toUtf8());
mimeData->setText(text); // for exchangeability
return mimeData;
} else if (textCursor().hasSelection()){
QTextCursor cursor = textCursor();
QMimeData *mimeData = new QMimeData;
QString text = cursor.selectedText();
mimeData->setText(text);
/*
Try to figure out whether we are copying an entire block, and store the complete block
including indentation in the qtcreator.blocktext mimetype.
*/
QTextCursor selstart = cursor;
selstart.setPosition(cursor.selectionStart());
QTextCursor selend = cursor;
selend.setPosition(cursor.selectionEnd());
const TabSettings &ts = d->m_document->tabSettings();
bool startOk = ts.cursorIsAtBeginningOfLine(selstart);
bool multipleBlocks = (selend.block() != selstart.block());
if (startOk && multipleBlocks) {
selstart.movePosition(QTextCursor::StartOfBlock);
if (ts.cursorIsAtBeginningOfLine(selend))
selend.movePosition(QTextCursor::StartOfBlock);
cursor.setPosition(selstart.position());
cursor.setPosition(selend.position(), QTextCursor::KeepAnchor);
text = cursor.selectedText();
mimeData->setData(QLatin1String("application/vnd.nokia.qtcreator.blocktext"), text.toUtf8());
}
return mimeData;
}
return 0;
}
bool BaseTextEditor::canInsertFromMimeData(const QMimeData *source) const
{
return QPlainTextEdit::canInsertFromMimeData(source);
}
void BaseTextEditor::insertFromMimeData(const QMimeData *source)
{
if (isReadOnly())
return;
if (source->hasFormat(QLatin1String("application/vnd.nokia.qtcreator.vblocktext"))) {
QString text = QString::fromUtf8(source->data(QLatin1String("application/vnd.nokia.qtcreator.vblocktext")));
if (text.isEmpty())
return;
QStringList lines = text.split(QLatin1Char('\n'));
QTextCursor cursor = textCursor();
cursor.beginEditBlock();
int initialCursorPosition = cursor.position();
int column = cursor.position() - cursor.block().position();
cursor.insertText(lines.first());
for (int i = 1; i < lines.count(); ++i) {
QTextBlock next = cursor.block().next();
if (next.isValid()) { cursor.setPosition(next.position() + qMin(column, next.length()-1));
} else {
cursor.movePosition(QTextCursor::EndOfBlock);
cursor.insertBlock();
}
int actualColumn = cursor.position() - cursor.block().position();
if (actualColumn < column)
cursor.insertText(QString(column - actualColumn, QLatin1Char(' ')));
cursor.insertText(lines.at(i));
}
cursor.setPosition(initialCursorPosition);
cursor.endEditBlock();
setTextCursor(cursor);
ensureCursorVisible();
return;
}
QString text = source->text();
if (text.isEmpty())
return;
const TabSettings &ts = d->m_document->tabSettings();
QTextCursor cursor = textCursor();
if (!ts.m_autoIndent) {
cursor.beginEditBlock();
cursor.insertText(text);
cursor.endEditBlock();
setTextCursor(cursor);
return;
}
cursor.beginEditBlock();
bool insertAtBeginningOfLine = ts.cursorIsAtBeginningOfLine(cursor);
if (insertAtBeginningOfLine
&& source->hasFormat(QLatin1String("application/vnd.nokia.qtcreator.blocktext"))) {
text = QString::fromUtf8(source->data(QLatin1String("application/vnd.nokia.qtcreator.blocktext")));
if (text.isEmpty())
return;
}
cursor.removeSelectedText();
int reindentBlockStart = cursor.blockNumber() + (insertAtBeginningOfLine?0:1);
bool hasFinalNewline = (text.endsWith(QLatin1Char('\n'))
|| text.endsWith(QChar::ParagraphSeparator)
|| text.endsWith(QLatin1Char('\r')));
QTextCursor unnecessaryWhitespace;
if (hasFinalNewline) {
// since we'll add a final newline, preserve current line's indentation
cursor.setPosition(cursor.block().position());
} else {
unnecessaryWhitespace = cursor;
int pos = cursor.position();
// construct the selection in a way that it will not expand when the cursor position moves
unnecessaryWhitespace.movePosition(QTextCursor::StartOfBlock);
unnecessaryWhitespace.setPosition(pos, QTextCursor::KeepAnchor);
}
cursor.insertText(text);
int reindentBlockEnd = cursor.blockNumber() - (hasFinalNewline?1:0);
if (reindentBlockStart < reindentBlockEnd || (reindentBlockStart == reindentBlockEnd
&& (!insertAtBeginningOfLine || hasFinalNewline))) {
if (insertAtBeginningOfLine && !hasFinalNewline)
unnecessaryWhitespace.removeSelectedText();
QTextCursor c = cursor;
c.setPosition(cursor.document()->findBlockByNumber(reindentBlockStart).position());
c.setPosition(cursor.document()->findBlockByNumber(reindentBlockEnd).position(),
QTextCursor::KeepAnchor);
reindent(document(), c);
}
cursor.endEditBlock();
setTextCursor(cursor);
}
BaseTextEditorEditable::BaseTextEditorEditable(BaseTextEditor *editor)
: e(editor)
{
#ifndef TEXTEDITOR_STANDALONE
using namespace Find;
Aggregation::Aggregate *aggregate = new Aggregation::Aggregate;
BaseTextFind *baseTextFind = new BaseTextFind(editor);
connect(baseTextFind, SIGNAL(highlightAll(QString, Find::IFindSupport::FindFlags)),
editor, SLOT(highlightSearchResults(QString, Find::IFindSupport::FindFlags)));
connect(baseTextFind, SIGNAL(findScopeChanged(QTextCursor)), editor, SLOT(setFindScope(QTextCursor)));
aggregate->add(baseTextFind);
aggregate->add(editor);
#endif
m_cursorPositionLabel = new Core::Utils::LineColumnLabel;
QHBoxLayout *l = new QHBoxLayout;
QWidget *w = new QWidget;
l->setMargin(0);
l->setContentsMargins(5, 0, 5, 0);
l->addStretch(0);
l->addWidget(m_cursorPositionLabel);
w->setLayout(l);
m_toolBar = new QToolBar;
m_toolBar->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Minimum);
m_toolBar->addWidget(w);
connect(editor, SIGNAL(cursorPositionChanged()), this, SLOT(updateCursorPosition()));
}
BaseTextEditorEditable::~BaseTextEditorEditable()
{
delete m_toolBar;
delete e;
}
QWidget *BaseTextEditorEditable::toolBar()
{
return m_toolBar;
}
int BaseTextEditorEditable::find(const QString &) const
{
return 0;
}
int BaseTextEditorEditable::currentLine() const
{
return e->textCursor().blockNumber() + 1;
}
int BaseTextEditorEditable::currentColumn() const
{
QTextCursor cursor = e->textCursor(); return cursor.position() - cursor.block().position() + 1;
}
QRect BaseTextEditorEditable::cursorRect(int pos) const
{
QTextCursor tc = e->textCursor();
if (pos >= 0)
tc.setPosition(pos);
QRect result = e->cursorRect(tc);
result.moveTo(e->viewport()->mapToGlobal(result.topLeft()));
return result;
}
QString BaseTextEditorEditable::contents() const
{
return e->toPlainText();
}
QString BaseTextEditorEditable::selectedText() const
{
if (e->textCursor().hasSelection())
return e->textCursor().selectedText();
return QString();
}
QString BaseTextEditorEditable::textAt(int pos, int length) const
{
QTextCursor c = e->textCursor();
if (pos < 0)
pos = 0;
c.movePosition(QTextCursor::End);
if (pos + length > c.position())
length = c.position() - pos;
c.setPosition(pos);
c.setPosition(pos + length, QTextCursor::KeepAnchor);
return c.selectedText();
}
void BaseTextEditorEditable::remove(int length)
{
QTextCursor tc = e->textCursor();
tc.setPosition(tc.position() + length, QTextCursor::KeepAnchor);
tc.removeSelectedText();
}
void BaseTextEditorEditable::insert(const QString &string)
{
QTextCursor tc = e->textCursor();
tc.insertText(string);
}
void BaseTextEditorEditable::replace(int length, const QString &string)
{
QTextCursor tc = e->textCursor();
tc.setPosition(tc.position() + length, QTextCursor::KeepAnchor);
tc.insertText(string);
}
void BaseTextEditorEditable::setCurPos(int pos)
{
QTextCursor tc = e->textCursor();
tc.setPosition(pos);
e->setTextCursor(tc);
}
void BaseTextEditorEditable::select(int toPos)
{ QTextCursor tc = e->textCursor();
tc.setPosition(toPos, QTextCursor::KeepAnchor);
e->setTextCursor(tc);
}
void BaseTextEditorEditable::updateCursorPosition()
{
const QTextCursor cursor = e->textCursor();
const QTextBlock block = cursor.block();
const int line = block.blockNumber() + 1;
const int column = cursor.position() - block.position();
m_cursorPositionLabel->setText(tr("Line: %1, Col: %2").arg(line).arg(e->tabSettings().columnAt(block.text(), column)+1),
tr("Line: %1, Col: 999").arg(e->blockCount()));
m_contextHelpId.clear();
if (!block.isVisible())
e->ensureCursorVisible();
}
QString BaseTextEditorEditable::contextHelpId() const
{
if (m_contextHelpId.isEmpty())
emit const_cast<BaseTextEditorEditable*>(this)->contextHelpIdRequested(e->editableInterface(),
e->textCursor().position());
return m_contextHelpId;
}
TextBlockUserData::~TextBlockUserData()
{
TextMarks marks = m_marks;
m_marks.clear();
foreach (ITextMark *mrk, marks) {
mrk->removedFromEditor();
}
}