1 files changed, 366 insertions, 0 deletions
diff --git a/tools/qmldebugger/standalone/watchtable.cpp b/tools/qmldebugger/standalone/watchtable.cpp
new file mode 100644
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+++ b/tools/qmldebugger/standalone/watchtable.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt QML Debugger 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 Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#include "watchtable.h"
+
+#include <QtCore/qdebug.h>
+#include <QtGui/qevent.h>
+#include <QtGui/qaction.h>
+#include <QtGui/qmenu.h>
+
+#include <private/qmldebug_p.h>
+#include <QtDeclarative/qmlmetatype.h>
+
+QT_BEGIN_NAMESPACE
+
+
+WatchTableModel::WatchTableModel(QmlEngineDebug *client, QObject *parent)
+    : QAbstractTableModel(parent),
+      m_client(client)
+{
+}
+
+WatchTableModel::~WatchTableModel()
+{    
+    for (int i=0; i<m_columns.count(); i++)
+        delete m_columns[i].watch;
+}
+
+void WatchTableModel::setEngineDebug(QmlEngineDebug *client)
+{
+    m_client = client;
+}
+
+void WatchTableModel::addWatch(QmlDebugWatch *watch, const QString &title)
+{
+    QString property;
+    if (qobject_cast<QmlDebugPropertyWatch *>(watch))
+        property = qobject_cast<QmlDebugPropertyWatch *>(watch)->name();
+
+    connect(watch, SIGNAL(valueChanged(QByteArray,QVariant)),
+            SLOT(watchedValueChanged(QByteArray,QVariant)));
+
+    connect(watch, SIGNAL(stateChanged(QmlDebugWatch::State)), SLOT(watchStateChanged()));
+
+    int col = columnCount(QModelIndex());
+    beginInsertColumns(QModelIndex(), col, col);
+
+    WatchedEntity e;
+    e.title = title;
+    e.hasFirstValue = false;
+    e.property = property;
+    e.watch = watch;
+    m_columns.append(e);
+
+    endInsertColumns();
+}
+
+void WatchTableModel::removeWatch(QmlDebugWatch *watch)
+{
+    int column = columnForWatch(watch);
+    if (column == -1)
+        return;
+
+    WatchedEntity entity = m_columns.takeAt(column);
+
+    for (QList<Value>::Iterator iter = m_values.begin(); iter != m_values.end();) {
+        if (iter->column == column) {
+            iter = m_values.erase(iter);
+        } else {
+            if(iter->column > column)
+                --iter->column;
+            ++iter;
+        }
+    }
+
+    reset();
+}
+
+void WatchTableModel::updateWatch(QmlDebugWatch *watch, const QVariant &value)
+{
+    int column = columnForWatch(watch);
+    if (column == -1)
+        return;
+
+    addValue(column, value);
+
+    if (!m_columns[column].hasFirstValue) {
+        m_columns[column].hasFirstValue = true;
+        m_values[m_values.count() - 1].first = true;
+    }
+}
+
+QmlDebugWatch *WatchTableModel::findWatch(int column) const
+{
+    if (column < m_columns.count())
+        return m_columns.at(column).watch;
+    return 0;
+}
+
+QmlDebugWatch *WatchTableModel::findWatch(int objectDebugId, const QString &property) const
+{
+    for (int i=0; i<m_columns.count(); i++) {
+        if (m_columns[i].watch->objectDebugId() == objectDebugId
+                && m_columns[i].property == property) {
+            return m_columns[i].watch;
+        }
+    }
+    return 0;
+}
+
+int WatchTableModel::rowCount(const QModelIndex &) const
+{
+    return m_values.count();
+}
+
+int WatchTableModel::columnCount(const QModelIndex &) const
+{
+    return m_columns.count();
+}
+
+QVariant WatchTableModel::headerData(int section, Qt::Orientation orientation, int role) const
+{
+    if (orientation == Qt::Horizontal) {
+        if (section < m_columns.count() && role == Qt::DisplayRole)
+            return m_columns.at(section).title;
+    } else {
+        if (role == Qt::DisplayRole)
+            return section + 1;
+    }
+    return QVariant();
+}
+
+QVariant WatchTableModel::data(const QModelIndex &idx, int role) const
+{
+    if (m_values.at(idx.row()).column == idx.column()) {
+        if (role == Qt::DisplayRole) {
+            const QVariant &value = m_values.at(idx.row()).variant;
+            QString str = value.toString();
+
+            if (str.isEmpty() && QmlMetaType::isObject(value.userType())) {
+                QObject *o = QmlMetaType::toQObject(value);
+                if(o) {
+                    QString objectName = o->objectName();
+                    if(objectName.isEmpty())
+                        objectName = QLatin1String("<unnamed>");
+                    str = QLatin1String(o->metaObject()->className()) +
+                          QLatin1String(": ") + objectName;
+                }
+            }
+
+            if(str.isEmpty()) {
+                QDebug d(&str);
+                d << value;
+            }
+            return QVariant(str);
+        } else if(role == Qt::BackgroundRole) {
+            if(m_values.at(idx.row()).first)
+                return QColor(Qt::green);
+            else
+                return QVariant();
+        } else {
+            return QVariant();
+        }
+    } else {
+        return QVariant();
+    }
+}
+
+void WatchTableModel::watchStateChanged()
+{
+    QmlDebugWatch *watch = qobject_cast<QmlDebugWatch*>(sender());
+
+    if (watch && watch->state() == QmlDebugWatch::Inactive) {
+        removeWatch(watch);
+        watch->deleteLater();
+    }
+}
+
+int WatchTableModel::columnForWatch(QmlDebugWatch *watch) const
+{
+    for (int i=0; i<m_columns.count(); i++) {
+        if (m_columns.at(i).watch == watch)
+            return i;
+    }
+    return -1;
+}
+
+void WatchTableModel::addValue(int column, const QVariant &value)
+{
+    int row = columnCount(QModelIndex());
+    beginInsertRows(QModelIndex(), row, row);
+
+    Value v;
+    v.column = column;
+    v.variant = value;
+    v.first = false;
+    m_values.append(v);
+
+    endInsertRows();
+}
+
+void WatchTableModel::togglePropertyWatch(const QmlDebugObjectReference &object, const QmlDebugPropertyReference &property)
+{
+    if (!m_client || !property.hasNotifySignal())
+        return;
+
+    QmlDebugWatch *watch = findWatch(object.debugId(), property.name());
+    if (watch) {
+        // watch will be deleted in watchStateChanged()
+        m_client->removeWatch(watch);
+        return;
+    }
+
+    watch = m_client->addWatch(property, this);
+    if (watch->state() == QmlDebugWatch::Dead) {
+        delete watch;
+        watch = 0;
+    } else {
+        QString desc = property.name()
+                + QLatin1String(" on\n")
+                + object.className()
+                + QLatin1String(":\n")
+                + (object.name().isEmpty() ? QLatin1String("<unnamed object>") : object.name());
+        addWatch(watch, desc);
+        emit watchCreated(watch);
+    }
+}
+
+void WatchTableModel::watchedValueChanged(const QByteArray &propertyName, const QVariant &value)
+{
+    Q_UNUSED(propertyName);
+    QmlDebugWatch *watch = qobject_cast<QmlDebugWatch*>(sender());
+    if (watch)
+        updateWatch(watch, value);
+}
+
+void WatchTableModel::expressionWatchRequested(const QmlDebugObjectReference &obj, const QString &expr)
+{
+    if (!m_client)
+        return;
+        
+    QmlDebugWatch *watch = m_client->addWatch(obj, expr, this);
+
+    if (watch->state() == QmlDebugWatch::Dead) {
+        delete watch;
+        watch = 0;
+    } else {
+        addWatch(watch, expr);
+        emit watchCreated(watch);
+    }
+}
+
+void WatchTableModel::removeWatchAt(int column)
+{
+    if (!m_client)
+        return;
+        
+    QmlDebugWatch *watch = findWatch(column);
+    if (watch) {
+        m_client->removeWatch(watch);
+        delete watch;
+        watch = 0;
+    }
+}
+
+void WatchTableModel::removeAllWatches()
+{
+    for (int i=0; i<m_columns.count(); i++) {
+        if (m_client)
+            m_client->removeWatch(m_columns[i].watch);
+        else    
+            delete m_columns[i].watch;
+    }
+    m_columns.clear();
+    m_values.clear();
+    reset();
+}
+
+//----------------------------------------------
+
+WatchTableHeaderView::WatchTableHeaderView(WatchTableModel *model, QWidget *parent)
+    : QHeaderView(Qt::Horizontal, parent),
+      m_model(model)
+{
+    setClickable(true);
+}
+
+void WatchTableHeaderView::mousePressEvent(QMouseEvent *me)
+{
+    QHeaderView::mousePressEvent(me);
+
+    if (me->button() == Qt::RightButton && me->type() == QEvent::MouseButtonPress) {
+        int col = logicalIndexAt(me->pos());
+        if (col >= 0) {
+            QAction action(tr("Stop watching"), 0);
+            QList<QAction *> actions;
+            actions << &action;
+            if (QMenu::exec(actions, me->globalPos()))
+                m_model->removeWatchAt(col);
+        }
+    } 
+}
+
+
+//----------------------------------------------
+
+WatchTableView::WatchTableView(WatchTableModel *model, QWidget *parent)
+    : QTableView(parent),
+      m_model(model)
+{
+    setAlternatingRowColors(true);
+    connect(model, SIGNAL(watchCreated(QmlDebugWatch*)), SLOT(watchCreated(QmlDebugWatch*)));
+    connect(this, SIGNAL(activated(QModelIndex)), SLOT(indexActivated(QModelIndex)));
+}
+
+void WatchTableView::indexActivated(const QModelIndex &index)
+{
+    QmlDebugWatch *watch = m_model->findWatch(index.column());
+    if (watch)
+        emit objectActivated(watch->objectDebugId());
+}
+
+void WatchTableView::watchCreated(QmlDebugWatch *watch)
+{
+    int column = m_model->columnForWatch(watch);
+    resizeColumnToContents(column);
+}
+
+QT_END_NAMESPACE