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Diffstat (limited to 'src/scripttools/debugging/qscriptdebuggercodeview.cpp')
| -rw-r--r-- | src/scripttools/debugging/qscriptdebuggercodeview.cpp | 261 |
1 files changed, 261 insertions, 0 deletions
diff --git a/src/scripttools/debugging/qscriptdebuggercodeview.cpp b/src/scripttools/debugging/qscriptdebuggercodeview.cpp new file mode 100644 index 0000000..bc493e0 --- /dev/null +++ b/src/scripttools/debugging/qscriptdebuggercodeview.cpp @@ -0,0 +1,261 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the QtSCriptTools module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qscriptdebuggercodeview_p.h" +#include "qscriptdebuggercodeviewinterface_p_p.h" + +#include "qscriptedit_p.h" + +#include <QtGui/qboxlayout.h> +#include <QtGui/qtextobject.h> +#include <QtCore/qdebug.h> + +QT_BEGIN_NAMESPACE + +class QScriptDebuggerCodeViewPrivate + : public QScriptDebuggerCodeViewInterfacePrivate +{ + Q_DECLARE_PUBLIC(QScriptDebuggerCodeView) +public: + QScriptDebuggerCodeViewPrivate(); + ~QScriptDebuggerCodeViewPrivate(); + + QScriptEdit *editor; +}; + +QScriptDebuggerCodeViewPrivate::QScriptDebuggerCodeViewPrivate() +{ +} + +QScriptDebuggerCodeViewPrivate::~QScriptDebuggerCodeViewPrivate() +{ +} + +QScriptDebuggerCodeView::QScriptDebuggerCodeView(QWidget *parent) + : QScriptDebuggerCodeViewInterface(*new QScriptDebuggerCodeViewPrivate, parent, 0) +{ + Q_D(QScriptDebuggerCodeView); + d->editor = new QScriptEdit(); + d->editor->setReadOnly(true); + d->editor->setBackgroundVisible(false); + QObject::connect(d->editor, SIGNAL(breakpointToggleRequest(int,bool)), + this, SIGNAL(breakpointToggleRequest(int,bool))); + QObject::connect(d->editor, SIGNAL(breakpointEnableRequest(int,bool)), + this, SIGNAL(breakpointEnableRequest(int,bool))); + QVBoxLayout *vbox = new QVBoxLayout(this); + vbox->setMargin(0); + vbox->addWidget(d->editor); +} + +QScriptDebuggerCodeView::~QScriptDebuggerCodeView() +{ +} + +QString QScriptDebuggerCodeView::text() const +{ + Q_D(const QScriptDebuggerCodeView); + return d->editor->toPlainText(); +} + +void QScriptDebuggerCodeView::setText(const QString &text) +{ + Q_D(QScriptDebuggerCodeView); + d->editor->setPlainText(text); +} + +int QScriptDebuggerCodeView::cursorLineNumber() const +{ + Q_D(const QScriptDebuggerCodeView); + return d->editor->currentLineNumber(); +} + +void QScriptDebuggerCodeView::gotoLine(int lineNumber) +{ + Q_D(QScriptDebuggerCodeView); + d->editor->gotoLine(lineNumber); +} + +int QScriptDebuggerCodeView::find(const QString &exp, int options) +{ + Q_D(QScriptDebuggerCodeView); + QPlainTextEdit *ed = (QPlainTextEdit*)d->editor; + QTextCursor cursor = ed->textCursor(); + if (options & 0x100) { + // start searching from the beginning of selection + if (cursor.hasSelection()) { + int len = cursor.selectedText().length(); + cursor.clearSelection(); + cursor.setPosition(cursor.position() - len); + ed->setTextCursor(cursor); + } + options &= ~0x100; + } + int ret = 0; + if (ed->find(exp, QTextDocument::FindFlags(options))) { + ret |= 0x1; + } else { + QTextCursor curse = cursor; + curse.movePosition(QTextCursor::Start); + ed->setTextCursor(curse); + if (ed->find(exp, QTextDocument::FindFlags(options))) + ret |= 0x1 | 0x2; + else + ed->setTextCursor(cursor); + } + return ret; +} + +void QScriptDebuggerCodeView::setExecutionLineNumber(int lineNumber, bool error) +{ + Q_D(QScriptDebuggerCodeView); + d->editor->setExecutionLineNumber(lineNumber, error); +} + +void QScriptDebuggerCodeView::setExecutableLineNumbers(const QSet<int> &lineNumbers) +{ + Q_D(QScriptDebuggerCodeView); + d->editor->setExecutableLineNumbers(lineNumbers); +} + +int QScriptDebuggerCodeView::baseLineNumber() const +{ + Q_D(const QScriptDebuggerCodeView); + return d->editor->baseLineNumber(); +} + +void QScriptDebuggerCodeView::setBaseLineNumber(int lineNumber) +{ + Q_D(QScriptDebuggerCodeView); + d->editor->setBaseLineNumber(lineNumber); +} + +void QScriptDebuggerCodeView::setBreakpoint(int lineNumber) +{ + Q_D(QScriptDebuggerCodeView); + d->editor->setBreakpoint(lineNumber); +} + +void QScriptDebuggerCodeView::deleteBreakpoint(int lineNumber) +{ + Q_D(QScriptDebuggerCodeView); + d->editor->deleteBreakpoint(lineNumber); +} + +void QScriptDebuggerCodeView::setBreakpointEnabled(int lineNumber, bool enable) +{ + Q_D(QScriptDebuggerCodeView); + d->editor->setBreakpointEnabled(lineNumber, enable); +} + +namespace { + +static bool isIdentChar(const QChar &ch) +{ + static QChar underscore = QLatin1Char('_'); + return ch.isLetter() || (ch == underscore); +} + +} // namespace + +/*! + \reimp +*/ +bool QScriptDebuggerCodeView::event(QEvent *e) +{ + Q_D(QScriptDebuggerCodeView); + if (e->type() == QEvent::ToolTip) { + if (d->editor->executionLineNumber() == -1) + return false; + QHelpEvent *he = static_cast<QHelpEvent*>(e); + QPoint pt = he->pos(); + pt.rx() -= d->editor->extraAreaWidth(); + pt.ry() -= 8; + QTextCursor cursor = d->editor->cursorForPosition(pt); + QTextBlock block = cursor.block(); + QString contents = block.text(); + if (contents.isEmpty()) + return false; + int linePosition = cursor.position() - block.position(); + linePosition -= 3; + if (linePosition < 0) + linePosition = 0; + + // ### generalize -- same as in completiontask + + int pos = linePosition; + if ((pos > 0) && contents.at(pos-1).isNumber()) { + // tooltips for numbers is pointless + return false; + } + + while ((pos > 0) && isIdentChar(contents.at(pos-1))) + --pos; + if ((pos > 0) && ((contents.at(pos-1) == QLatin1Char('\'')) + || (contents.at(pos-1) == QLatin1Char('\"')))) { + // ignore string literals + return false; + } + int pos2 = linePosition; + while ((pos2 < contents.size()-1) && isIdentChar(contents.at(pos2+1))) + ++pos2; + QString ident = contents.mid(pos, pos2 - pos + 1); + + QStringList path; + path.append(ident); + while ((pos > 0) && (contents.at(pos-1) == QLatin1Char('.'))) { + --pos; + pos2 = pos; + while ((pos > 0) && isIdentChar(contents.at(pos-1))) + --pos; + path.prepend(contents.mid(pos, pos2 - pos)); + } + + if (!path.isEmpty()) { + int lineNumber = cursor.blockNumber() + d->editor->baseLineNumber(); + emit toolTipRequest(he->globalPos(), lineNumber, path); + } + } + return false; +} + +QT_END_NAMESPACE + +#include "moc_qscriptdebuggercodeview_p.cpp" |