Long live Qt!

1 files changed, 316 insertions, 0 deletions

diff --git a/src/scripttools/debugging/qscriptdebuggercodewidget.cpp b/src/scripttools/debugging/qscriptdebuggercodewidget.cpp
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+++ b/src/scripttools/debugging/qscriptdebuggercodewidget.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 "qscriptdebuggercodewidget_p.h"
+#include "qscriptdebuggercodewidgetinterface_p_p.h"
+#include "qscriptdebuggercodeview_p.h"
+#include "qscriptdebuggerscriptsmodel_p.h"
+#include "qscriptbreakpointsmodel_p.h"
+#include "qscripttooltipproviderinterface_p.h"
+
+#include <QtCore/qdebug.h>
+#include <QtGui/qboxlayout.h>
+#include <QtGui/qstackedwidget.h>
+#include <QtGui/qtooltip.h>
+
+QT_BEGIN_NAMESPACE
+
+class QScriptDebuggerCodeWidgetPrivate
+    : public QScriptDebuggerCodeWidgetInterfacePrivate
+{
+    Q_DECLARE_PUBLIC(QScriptDebuggerCodeWidget)
+public:
+    QScriptDebuggerCodeWidgetPrivate();
+    ~QScriptDebuggerCodeWidgetPrivate();
+
+    qint64 scriptId(QScriptDebuggerCodeViewInterface *view) const;
+
+    // private slots
+    void _q_onBreakpointToggleRequest(int lineNumber, bool on);
+    void _q_onBreakpointEnableRequest(int lineNumber, bool enable);
+    void _q_onBreakpointsAboutToBeRemoved(const QModelIndex&, int, int);
+    void _q_onBreakpointsInserted(const QModelIndex&, int, int);
+    void _q_onBreakpointsDataChanged(const QModelIndex &, const QModelIndex &);
+    void _q_onScriptsChanged();
+    void _q_onToolTipRequest(const QPoint &pos, int lineNumber, const QStringList &path);
+
+    QScriptDebuggerScriptsModel *scriptsModel;
+    QStackedWidget *viewStack;
+    QHash<qint64, QScriptDebuggerCodeViewInterface*> viewHash;
+    QScriptBreakpointsModel *breakpointsModel;
+    QScriptToolTipProviderInterface *toolTipProvider;
+};
+
+QScriptDebuggerCodeWidgetPrivate::QScriptDebuggerCodeWidgetPrivate()
+{
+    scriptsModel = 0;
+    breakpointsModel = 0;
+    toolTipProvider = 0;
+}
+
+QScriptDebuggerCodeWidgetPrivate::~QScriptDebuggerCodeWidgetPrivate()
+{
+}
+
+qint64 QScriptDebuggerCodeWidgetPrivate::scriptId(QScriptDebuggerCodeViewInterface *view) const
+{
+    if (!view)
+        return -1;
+    return viewHash.key(view);
+}
+
+void QScriptDebuggerCodeWidgetPrivate::_q_onBreakpointToggleRequest(int lineNumber, bool on)
+{
+    QScriptDebuggerCodeViewInterface *view = qobject_cast<QScriptDebuggerCodeViewInterface*>(q_func()->sender());
+    qint64 sid = scriptId(view);
+    Q_ASSERT(sid != -1);
+    if (on) {
+        QScriptBreakpointData data(sid, lineNumber);
+        data.setFileName(scriptsModel->scriptData(sid).fileName());
+        breakpointsModel->setBreakpoint(data);
+    } else {
+        int bpid = breakpointsModel->resolveBreakpoint(sid, lineNumber);
+        if (bpid == -1)
+            bpid = breakpointsModel->resolveBreakpoint(scriptsModel->scriptData(sid).fileName(), lineNumber);
+        Q_ASSERT(bpid != -1);
+        breakpointsModel->deleteBreakpoint(bpid);
+    }
+}
+
+void QScriptDebuggerCodeWidgetPrivate::_q_onBreakpointEnableRequest(int lineNumber, bool enable)
+{
+    QScriptDebuggerCodeViewInterface *view = qobject_cast<QScriptDebuggerCodeViewInterface*>(q_func()->sender());
+    qint64 sid = scriptId(view);
+    int bpid = breakpointsModel->resolveBreakpoint(sid, lineNumber);
+    if (bpid == -1)
+        bpid = breakpointsModel->resolveBreakpoint(scriptsModel->scriptData(sid).fileName(), lineNumber);
+    Q_ASSERT(bpid != -1);
+    QScriptBreakpointData data = breakpointsModel->breakpointData(bpid);
+    data.setEnabled(enable);
+    breakpointsModel->setBreakpointData(bpid, data);
+}
+
+void QScriptDebuggerCodeWidgetPrivate::_q_onBreakpointsAboutToBeRemoved(
+    const QModelIndex &, int first, int last)
+{
+    for (int i = first; i <= last; ++i) {
+        QScriptBreakpointData data = breakpointsModel->breakpointDataAt(i);
+        qint64 scriptId = data.scriptId();
+        if (scriptId == -1) {
+            scriptId = scriptsModel->resolveScript(data.fileName());
+            if (scriptId == -1)
+                continue;
+        }
+        QScriptDebuggerCodeViewInterface *view = viewHash.value(scriptId);
+        if (!view)
+            continue;
+        view->deleteBreakpoint(data.lineNumber());
+    }
+}
+
+void QScriptDebuggerCodeWidgetPrivate::_q_onBreakpointsInserted(
+    const QModelIndex &, int first, int last)
+{
+    for (int i = first; i <= last; ++i) {
+        QScriptBreakpointData data = breakpointsModel->breakpointDataAt(i);
+        qint64 scriptId = data.scriptId();
+        if (scriptId == -1) {
+            scriptId = scriptsModel->resolveScript(data.fileName());
+            if (scriptId == -1)
+                continue;
+        }
+        QScriptDebuggerCodeViewInterface *view = viewHash.value(scriptId);
+        if (!view)
+            continue;
+        view->setBreakpoint(data.lineNumber());
+    }
+}
+
+void QScriptDebuggerCodeWidgetPrivate::_q_onBreakpointsDataChanged(
+    const QModelIndex &tl, const QModelIndex &br)
+{
+    for (int i = tl.row(); i <= br.row(); ++i) {
+        QScriptBreakpointData data = breakpointsModel->breakpointDataAt(i);
+        qint64 scriptId = data.scriptId();
+        if (scriptId == -1) {
+            scriptId = scriptsModel->resolveScript(data.fileName());
+            if (scriptId == -1)
+                continue;
+        }
+        QScriptDebuggerCodeViewInterface *view = viewHash.value(scriptId);
+        if (!view)
+            continue;
+        view->setBreakpointEnabled(data.lineNumber(), data.isEnabled());
+    }
+}
+
+void QScriptDebuggerCodeWidgetPrivate::_q_onScriptsChanged()
+{
+    // kill editors for scripts that have been removed
+    QHash<qint64, QScriptDebuggerCodeViewInterface*>::iterator it;
+    for (it = viewHash.begin(); it != viewHash.end(); ) {
+        if (!scriptsModel->scriptData(it.key()).isValid()) {
+            it = viewHash.erase(it);
+        } else
+            ++it;
+    }
+}
+
+void QScriptDebuggerCodeWidgetPrivate::_q_onToolTipRequest(
+    const QPoint &pos, int lineNumber, const QStringList &path)
+{
+    QString tip = toolTipProvider->toolTip(/*frameIndex=*/-1, lineNumber, path);
+    if (tip.indexOf(QLatin1Char('\n')) != -1) {
+        QStringList lines = tip.split(QLatin1Char('\n'));
+        int lineCount = lines.size();
+        if (lineCount > 5) {
+            lines = lines.mid(0, 5);
+            lines.append(QString::fromLatin1("(... %0 more lines ...)").arg(lineCount - 5));
+        }
+        tip = lines.join(QLatin1String("\n"));
+    }
+    QToolTip::showText(pos, tip);
+}
+
+QScriptDebuggerCodeWidget::QScriptDebuggerCodeWidget(QWidget *parent)
+    : QScriptDebuggerCodeWidgetInterface(*new QScriptDebuggerCodeWidgetPrivate, parent, 0)
+{
+    Q_D(QScriptDebuggerCodeWidget);
+    QVBoxLayout *vbox = new QVBoxLayout(this);
+    vbox->setMargin(0);
+    d->viewStack = new QStackedWidget();
+    vbox->addWidget(d->viewStack);
+}
+
+QScriptDebuggerCodeWidget::~QScriptDebuggerCodeWidget()
+{
+}
+
+QScriptDebuggerScriptsModel *QScriptDebuggerCodeWidget::scriptsModel() const
+{
+    Q_D(const QScriptDebuggerCodeWidget);
+    return d->scriptsModel;
+}
+
+void QScriptDebuggerCodeWidget::setScriptsModel(QScriptDebuggerScriptsModel *model)
+{
+    Q_D(QScriptDebuggerCodeWidget);
+    d->scriptsModel = model;
+    QObject::connect(model, SIGNAL(layoutChanged()),
+                     this, SLOT(_q_onScriptsChanged()));
+}
+
+qint64 QScriptDebuggerCodeWidget::currentScriptId() const
+{
+    Q_D(const QScriptDebuggerCodeWidget);
+    return d->scriptId(currentView());
+}
+
+void QScriptDebuggerCodeWidget::setCurrentScript(qint64 scriptId)
+{
+    Q_D(QScriptDebuggerCodeWidget);
+    if (scriptId == -1) {
+        // ### show "native script"
+        return;
+    }
+    QScriptDebuggerCodeViewInterface *view = d->viewHash.value(scriptId);
+    if (!view) {
+        Q_ASSERT(d->scriptsModel != 0);
+        QScriptScriptData data = d->scriptsModel->scriptData(scriptId);
+        if (!data.isValid())
+            return;
+        view = new QScriptDebuggerCodeView(); // ### use factory, so user can provide his own view
+        view->setBaseLineNumber(data.baseLineNumber());
+        view->setText(data.contents());
+        view->setExecutableLineNumbers(d->scriptsModel->executableLineNumbers(scriptId));
+        QObject::connect(view, SIGNAL(breakpointToggleRequest(int,bool)),
+                         this, SLOT(_q_onBreakpointToggleRequest(int,bool)));
+        QObject::connect(view, SIGNAL(breakpointEnableRequest(int,bool)),
+                         this, SLOT(_q_onBreakpointEnableRequest(int,bool)));
+        QObject::connect(view, SIGNAL(toolTipRequest(QPoint,int,QStringList)),
+                         this, SLOT(_q_onToolTipRequest(QPoint,int,QStringList)));
+        d->viewStack->addWidget(view);
+        d->viewHash.insert(scriptId, view);
+    }
+    d->viewStack->setCurrentWidget(view);
+}
+
+void QScriptDebuggerCodeWidget::invalidateExecutionLineNumbers()
+{
+    Q_D(QScriptDebuggerCodeWidget);
+    QHash<qint64, QScriptDebuggerCodeViewInterface*>::const_iterator it;
+    for (it = d->viewHash.constBegin(); it != d->viewHash.constEnd(); ++it)
+        it.value()->setExecutionLineNumber(-1, /*error=*/false);
+}
+
+QScriptBreakpointsModel *QScriptDebuggerCodeWidget::breakpointsModel() const
+{
+    Q_D(const QScriptDebuggerCodeWidget);
+    return d->breakpointsModel;
+}
+
+void QScriptDebuggerCodeWidget::setBreakpointsModel(QScriptBreakpointsModel *model)
+{
+    Q_D(QScriptDebuggerCodeWidget);
+    d->breakpointsModel = model;
+    QObject::connect(model, SIGNAL(rowsAboutToBeRemoved(QModelIndex,int,int)),
+                     this, SLOT(_q_onBreakpointsAboutToBeRemoved(QModelIndex,int,int)));
+    QObject::connect(model, SIGNAL(rowsInserted(QModelIndex,int,int)),
+                     this, SLOT(_q_onBreakpointsInserted(QModelIndex,int,int)));
+    QObject::connect(model, SIGNAL(dataChanged(QModelIndex,QModelIndex)),
+                     this, SLOT(_q_onBreakpointsDataChanged(QModelIndex,QModelIndex)));
+}
+
+void QScriptDebuggerCodeWidget::setToolTipProvider(QScriptToolTipProviderInterface *toolTipProvider)
+{
+    Q_D(QScriptDebuggerCodeWidget);
+    d->toolTipProvider = toolTipProvider;
+}
+
+QScriptDebuggerCodeViewInterface *QScriptDebuggerCodeWidget::currentView() const
+{
+    Q_D(const QScriptDebuggerCodeWidget);
+    return qobject_cast<QScriptDebuggerCodeViewInterface*>(d->viewStack->currentWidget());
+}
+
+QT_END_NAMESPACE
+
+#include "moc_qscriptdebuggercodewidget_p.cpp"