Long live Qt!

1 files changed, 261 insertions, 0 deletions

diff --git a/src/scripttools/debugging/qscriptdebuggercodeview.cpp b/src/scripttools/debugging/qscriptdebuggercodeview.cpp
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index 0000000..bc493e0
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+++ b/src/scripttools/debugging/qscriptdebuggercodeview.cpp
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+/****************************************************************************
+**
+** 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"