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253
src/plugins/debugger/watchwindow.cpp
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253
src/plugins/debugger/watchwindow.cpp
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/***************************************************************************
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**
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** This file is part of Qt Creator
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**
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** Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: Qt Software Information (qt-info@nokia.com)
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**
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**
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** Non-Open Source Usage
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**
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** Licensees may use this file in accordance with the Qt Beta Version
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** License Agreement, Agreement version 2.2 provided with the Software or,
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** alternatively, in accordance with the terms contained in a written
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** agreement between you and Nokia.
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**
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** GNU General Public License Usage
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**
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** Alternatively, this file may be used under the terms of the GNU General
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** Public License versions 2.0 or 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the packaging
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** of this file. Please review the following information to ensure GNU
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** General Public Licensing requirements will be met:
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**
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** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
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** http://www.gnu.org/copyleft/gpl.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt GPL Exception version
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** 1.2, included in the file GPL_EXCEPTION.txt in this package.
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**
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***************************************************************************/
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#include "watchwindow.h"
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#include <QtCore/QDebug>
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#include <QtCore/QTimer>
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#include <QtGui/QAction>
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#include <QtGui/QContextMenuEvent>
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#include <QtGui/QHeaderView>
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#include <QtGui/QLineEdit>
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#include <QtGui/QMenu>
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#include <QtGui/QResizeEvent>
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#include <QtGui/QSplitter>
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using namespace Debugger::Internal;
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enum { INameRole = Qt::UserRole, VisualRole };
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/////////////////////////////////////////////////////////////////////
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//
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// WatchWindow
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//
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/////////////////////////////////////////////////////////////////////
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WatchWindow::WatchWindow(Type type, QWidget *parent)
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: QTreeView(parent), m_type(type)
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{
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m_blocked = false;
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setWindowTitle(tr("Locals and Watchers"));
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setAlternatingRowColors(true);
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setIndentation(indentation() * 9/10);
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setUniformRowHeights(true);
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connect(itemDelegate(), SIGNAL(commitData(QWidget *)),
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this, SLOT(handleChangedItem(QWidget *)));
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connect(this, SIGNAL(expanded(QModelIndex)),
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this, SLOT(expandNode(QModelIndex)));
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connect(this, SIGNAL(collapsed(QModelIndex)),
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this, SLOT(collapseNode(QModelIndex)));
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}
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void WatchWindow::expandNode(const QModelIndex &idx)
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{
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//QModelIndex mi0 = idx.sibling(idx.row(), 0);
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//QString iname = model()->data(mi0, INameRole).toString();
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//QString name = model()->data(mi0, Qt::DisplayRole).toString();
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//qDebug() << "\n\nEXPAND NODE " // << iname << name
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// << idx << (m_blocked ? "blocked" : "passed");
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//if (isExpanded(idx))
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// return;
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//if (m_blocked)
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// return;
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emit requestExpandChildren(idx);
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}
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void WatchWindow::collapseNode(const QModelIndex &idx)
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{
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//QModelIndex mi0 = idx.sibling(idx.row(), 0);
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//QString iname = model()->data(mi0, INameRole).toString();
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//QString name = model()->data(mi0, Qt::DisplayRole).toString();
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//qDebug() << "COLLAPSE NODE " << idx;
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if (m_blocked)
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return;
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emit requestCollapseChildren(idx);
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}
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void WatchWindow::contextMenuEvent(QContextMenuEvent *ev)
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{
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QMenu menu;
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QAction *act1 = new QAction("Adjust column widths to contents", &menu);
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QAction *act2 = new QAction("Always adjust column widths to contents", &menu);
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act2->setCheckable(true);
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act2->setChecked(m_alwaysResizeColumnsToContents);
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menu.addAction(act1);
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menu.addAction(act2);
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QAction *act3 = 0;
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QAction *act4 = 0;
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QModelIndex idx = indexAt(ev->pos());
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QModelIndex mi0 = idx.sibling(idx.row(), 0);
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QString exp = model()->data(mi0).toString();
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QString iname = model()->data(mi0, INameRole).toString();
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QModelIndex mi1 = idx.sibling(idx.row(), 0);
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QString value = model()->data(mi1).toString();
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bool visual = false;
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if (idx.isValid()) {
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menu.addSeparator();
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if (m_type == LocalsType)
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act3 = new QAction("Watch expression '" + exp + "'", &menu);
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else
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act3 = new QAction("Remove expression '" + exp + "'", &menu);
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menu.addAction(act3);
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visual = model()->data(mi0, VisualRole).toBool();
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act4 = new QAction("Watch expression '" + exp + "' in separate widget", &menu);
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act4->setCheckable(true);
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act4->setChecked(visual);
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// FIXME: menu.addAction(act4);
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}
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QAction *act = menu.exec(ev->globalPos());
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if (!act)
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;
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else if (act == act1)
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resizeColumnsToContents();
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else if (act == act2)
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setAlwaysResizeColumnsToContents(!m_alwaysResizeColumnsToContents);
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else if (act == act3)
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if (m_type == LocalsType)
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emit requestWatchExpression(exp);
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else
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emit requestRemoveWatchExpression(iname);
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else if (act == act4)
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model()->setData(mi0, !visual, VisualRole);
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}
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void WatchWindow::resizeColumnsToContents()
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{
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resizeColumnToContents(0);
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resizeColumnToContents(1);
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}
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void WatchWindow::setAlwaysResizeColumnsToContents(bool on)
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{
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if (!header())
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return;
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m_alwaysResizeColumnsToContents = on;
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QHeaderView::ResizeMode mode = on
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? QHeaderView::ResizeToContents : QHeaderView::Interactive;
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header()->setResizeMode(0, mode);
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header()->setResizeMode(1, mode);
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}
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void WatchWindow::editItem(const QModelIndex &idx)
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{
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Q_UNUSED(idx); // FIXME
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}
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void WatchWindow::reset()
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{
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int row = 0;
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if (m_type == TooltipType)
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row = 1;
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else if (m_type == WatchersType)
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row = 2;
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//qDebug() << "WATCHWINDOW::RESET" << row;
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QTreeView::reset();
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setRootIndex(model()->index(row, 0, model()->index(0, 0)));
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//setRootIndex(model()->index(0, 0));
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}
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void WatchWindow::setModel(QAbstractItemModel *model)
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{
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QTreeView::setModel(model);
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setRootIsDecorated(true);
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header()->setDefaultAlignment(Qt::AlignLeft);
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header()->setResizeMode(QHeaderView::ResizeToContents);
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if (m_type != LocalsType)
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header()->hide();
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connect(model, SIGNAL(modelAboutToBeReset()),
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this, SLOT(modelAboutToBeReset()));
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connect(model, SIGNAL(modelReset()),
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this, SLOT(modelReset()));
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}
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void WatchWindow::modelAboutToBeReset()
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{
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m_blocked = true;
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//qDebug() << "Model about to be reset";
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m_expandedItems.clear();
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m_expandedItems.insert("local");
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m_expandedItems.insert("watch");
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modelAboutToBeResetHelper(model()->index(0, 0));
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//qDebug() << " expanded: " << m_expandedItems;
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}
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void WatchWindow::modelAboutToBeResetHelper(const QModelIndex &idx)
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{
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QString iname = model()->data(idx, INameRole).toString();
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//qDebug() << "Model about to be reset helper" << iname << idx
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// << isExpanded(idx);
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if (isExpanded(idx))
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m_expandedItems.insert(iname);
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for (int i = 0, n = model()->rowCount(idx); i != n; ++i) {
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QModelIndex idx1 = model()->index(i, 0, idx);
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modelAboutToBeResetHelper(idx1);
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}
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}
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void WatchWindow::modelReset()
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{
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//qDebug() << "Model reset";
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expand(model()->index(0, 0));
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modelResetHelper(model()->index(0, 0));
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m_blocked = false;
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}
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void WatchWindow::modelResetHelper(const QModelIndex &idx)
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{
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QString name = model()->data(idx, Qt::DisplayRole).toString();
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QString iname = model()->data(idx, INameRole).toString();
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//qDebug() << "Model reset helper" << iname << name;
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if (m_expandedItems.contains(iname)) {
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expand(idx);
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for (int i = 0, n = model()->rowCount(idx); i != n; ++i) {
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QModelIndex idx1 = model()->index(i, 0, idx);
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modelResetHelper(idx1);
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}
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}
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}
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void WatchWindow::handleChangedItem(QWidget *widget)
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{
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QLineEdit *lineEdit = qobject_cast<QLineEdit *>(widget);
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if (lineEdit)
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requestAssignValue("foo", lineEdit->text());
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}
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