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302 lines
11 KiB
C++
302 lines
11 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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**
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** This file is part of the Qt Designer of the Katie Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "qtbrushmanager.h"
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#include "brushmanagerproxy.h"
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#include "qsimpleresource_p.h"
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#include "qdesigner_utils_p.h"
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#include "ui4_p.h"
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#include <QtXml/QXmlStreamWriter>
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QT_BEGIN_NAMESPACE
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namespace qdesigner_internal {
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class BrushManagerProxyPrivate
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{
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BrushManagerProxy *q_ptr;
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Q_DECLARE_PUBLIC(BrushManagerProxy)
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public:
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BrushManagerProxyPrivate(BrushManagerProxy *bp, QDesignerFormEditorInterface *core);
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void brushAdded(const QString &name, const QBrush &brush);
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void brushRemoved(const QString &name);
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QString uniqueBrushFileName(const QString &brushName) const;
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QtBrushManager *m_Manager;
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QString m_designerFolder;
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const QString m_BrushFolder;
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QString m_BrushPath;
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QDesignerFormEditorInterface *m_Core;
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QMap<QString, QString> m_FileToBrush;
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QMap<QString, QString> m_BrushToFile;
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};
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BrushManagerProxyPrivate::BrushManagerProxyPrivate(BrushManagerProxy *bp, QDesignerFormEditorInterface *core) :
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q_ptr(bp),
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m_Manager(0),
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m_BrushFolder(QLatin1String("brushes")),
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m_Core(core)
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{
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m_designerFolder = QDir::homePath();
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m_designerFolder += QDir::separator();
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m_designerFolder += QLatin1String(".designer");
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m_BrushPath = m_designerFolder;
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m_BrushPath += QDir::separator();
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m_BrushPath += m_BrushFolder;
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}
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} // namespace qdesigner_internal
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using namespace qdesigner_internal;
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void BrushManagerProxyPrivate::brushAdded(const QString &name, const QBrush &brush)
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{
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const QString filename = uniqueBrushFileName(name);
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QDir designerDir(m_designerFolder);
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if (!designerDir.exists(m_BrushFolder))
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designerDir.mkdir(m_BrushFolder);
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QFile file(m_BrushPath + QDir::separator() +filename);
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if (file.open(QIODevice::WriteOnly)) {
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QSimpleResource resource(m_Core);
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DomBrush *dom = resource.saveBrush(brush);
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QXmlStreamWriter writer(&file);
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writer.setAutoFormatting(true);
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writer.setAutoFormattingIndent(1);
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writer.writeStartDocument();
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writer.writeStartElement(QLatin1String("description"));
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writer.writeAttribute(QLatin1String("name"), name);
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dom->write(writer);
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writer.writeEndElement();
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writer.writeEndDocument();
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delete dom;
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file.close();
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m_FileToBrush[filename] = name;
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m_BrushToFile[name] = filename;
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}
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}
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void BrushManagerProxyPrivate::brushRemoved(const QString &name)
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{
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QDir brushDir(m_BrushPath);
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QString filename = m_BrushToFile[name];
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brushDir.remove(filename);
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m_BrushToFile.remove(name);
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m_FileToBrush.remove(filename);
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}
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QString BrushManagerProxyPrivate::uniqueBrushFileName(const QString &brushName) const
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{
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const QString extension = QLatin1String(".br");
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QString filename = brushName.toLower();
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filename += extension;
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int i = 0;
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while (m_FileToBrush.contains(filename)) {
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filename = brushName.toLower();
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filename += QString::number(++i);
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filename += extension;
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}
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return filename;
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}
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BrushManagerProxy::BrushManagerProxy(QDesignerFormEditorInterface *core, QObject *parent)
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: QObject(parent), d_ptr(new BrushManagerProxyPrivate(this, core))
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{
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}
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BrushManagerProxy::~BrushManagerProxy()
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{
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}
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void BrushManagerProxy::setBrushManager(QtBrushManager *manager)
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{
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if (d_ptr->m_Manager == manager)
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return;
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if (d_ptr->m_Manager) {
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disconnect(d_ptr->m_Manager, SIGNAL(brushAdded(QString,QBrush)),
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this, SLOT(brushAdded(QString,QBrush)));
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disconnect(d_ptr->m_Manager, SIGNAL(brushRemoved(QString)),
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this, SLOT(brushRemoved(QString)));
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}
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d_ptr->m_Manager = manager;
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if (!d_ptr->m_Manager)
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return;
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// clear the manager
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QMap<QString, QBrush> brushes = d_ptr->m_Manager->brushes();
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QMap<QString, QBrush>::ConstIterator it = brushes.constBegin();
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while (it != brushes.constEnd()) {
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QString name = it.key();
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d_ptr->m_Manager->removeBrush(name);
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it++;
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}
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// fill up the manager from compiled resources or from brush folder here
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const QString nameAttribute = QLatin1String("name");
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const QString brush = QLatin1String("brush");
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const QString description = QLatin1String("description");
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QDir brushDir(d_ptr->m_BrushPath);
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bool customBrushesExist = brushDir.exists();
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if (customBrushesExist) {
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// load brushes from brush folder
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QStringList nameFilters;
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nameFilters.append(QLatin1String("*.br"));
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QFileInfoList infos = brushDir.entryInfoList(nameFilters);
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QListIterator<QFileInfo> it(infos);
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while (it.hasNext()) {
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const QFileInfo fi = it.next();
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QString filename = fi.absoluteFilePath();
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QFile file(filename);
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if (file.open(QIODevice::ReadOnly)) {
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QXmlStreamReader reader(&file);
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//<description name="black" >
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// <brush brushstyle="SolidPattern" >
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// <color alpha="255" .../>
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// </brush>
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//</description>
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QString descname;
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while (!reader.atEnd()) {
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if (reader.readNext() == QXmlStreamReader::StartElement) {
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const QString tag = reader.name().toString().toLower();
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if (tag == description) {
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if (!reader.attributes().hasAttribute(nameAttribute))
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reader.raiseError(tr("The element '%1' is missing the required attribute '%2'.")
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.arg(tag, nameAttribute));
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else
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descname = reader.attributes().value(nameAttribute).toString();
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continue;
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}
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if (tag == brush) {
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DomBrush brush;
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brush.read(reader);
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if (descname.isEmpty()) {
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reader.raiseError(tr("Empty brush name encountered."));
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} else {
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QSimpleResource resource(d_ptr->m_Core);
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QBrush br = resource.setupBrush(&brush);
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d_ptr->m_Manager->addBrush(descname, br);
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d_ptr->m_FileToBrush[filename] = descname;
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d_ptr->m_BrushToFile[descname] = filename;
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}
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continue;
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}
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reader.raiseError(tr("An unexpected element '%1' was encountered.").arg(tag));
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}
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}
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file.close();
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if (reader.hasError()) {
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qdesigner_internal::designerWarning(tr("An error occurred when reading the brush definition file '%1' at line line %2, column %3: %4")
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.arg(fi.fileName())
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.arg(reader.lineNumber())
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.arg(reader.columnNumber())
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.arg(reader.errorString()));
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continue;
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}
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}
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}
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}
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connect(d_ptr->m_Manager, SIGNAL(brushAdded(QString,QBrush)),
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this, SLOT(brushAdded(QString,QBrush)));
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connect(d_ptr->m_Manager, SIGNAL(brushRemoved(QString)),
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this, SLOT(brushRemoved(QString)));
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if (!customBrushesExist) {
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// load brushes from resources
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QFile qrcFile(QLatin1String(":trolltech/brushes/defaultbrushes.xml"));
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if (!qrcFile.open(QIODevice::ReadOnly))
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Q_ASSERT(0);
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QXmlStreamReader reader(&qrcFile);
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while (!reader.atEnd()) {
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if (reader.readNext() == QXmlStreamReader::StartElement) {
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if (reader.name().toString().toLower() == QLatin1String("description")) {
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const QString name = reader.attributes().value(nameAttribute).toString();
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do { // forward to <brush> element, which DomBrush expects
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reader.readNext();
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} while (!reader.atEnd() && reader.tokenType() != QXmlStreamReader::StartElement);
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DomBrush brushDom;
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brushDom.read(reader);
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if (!reader.hasError()) {
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QSimpleResource resource(d_ptr->m_Core);
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QBrush br = resource.setupBrush(&brushDom);
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d_ptr->m_Manager->addBrush(name, br);
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}
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}
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}
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}
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if (reader.hasError()) {
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// Should never happen
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qdesigner_internal::designerWarning(tr("An error occurred when reading the resource file '%1' at line %2, column %3: %4")
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.arg(qrcFile.fileName())
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.arg(reader.lineNumber())
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.arg(reader.columnNumber())
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.arg(reader.errorString()));
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}
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qrcFile.close();
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}
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}
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QT_END_NAMESPACE
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#include <moc_brushmanagerproxy.h>
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