彻底改版2.0
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feiyangqingyun
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third/designer/form/newform.cpp
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229
third/designer/form/newform.cpp
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/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the Qt Designer of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial Usage
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt 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 Nokia.
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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 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.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 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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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "newform.h"
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#include "qdesigner_workbench.h"
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#include "qdesigner_actions.h"
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#include "qdesigner_formwindow.h"
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#include "qdesigner_settings.h"
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#include <newformwidget_p.h>
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#include <QtDesigner/QDesignerFormEditorInterface>
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#include <QtCore/QDir>
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#include <QtCore/QFileInfo>
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#include <QtCore/QDebug>
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#include <QtCore/QDir>
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#include <QtCore/QTemporaryFile>
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#include <QtGui/QApplication>
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#include <QtGui/QVBoxLayout>
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#include <QtGui/QPushButton>
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#include <QtGui/QDialogButtonBox>
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#include <QtGui/QMenu>
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#include <QtGui/QCheckBox>
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#include <QtGui/QFrame>
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#include <QtGui/QMessageBox>
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QT_BEGIN_NAMESPACE
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NewForm::NewForm(QDesignerWorkbench *workbench, QWidget *parentWidget, const QString &fileName)
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: QDialog(parentWidget,
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#ifdef Q_WS_MAC
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Qt::Tool |
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#endif
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Qt::WindowTitleHint | Qt::WindowSystemMenuHint),
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m_fileName(fileName),
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m_newFormWidget(QDesignerNewFormWidgetInterface::createNewFormWidget(workbench->core())),
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m_workbench(workbench),
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m_chkShowOnStartup(new QCheckBox(tr("Show this Dialog on Startup"))),
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m_createButton(new QPushButton(QApplication::translate("NewForm", "C&reate", 0, QApplication::UnicodeUTF8))),
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m_recentButton(new QPushButton(QApplication::translate("NewForm", "Recent", 0, QApplication::UnicodeUTF8))),
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m_buttonBox(0)
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{
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setWindowTitle(tr("New Form"));
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QDesignerSettings settings(m_workbench->core());
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QVBoxLayout *vBoxLayout = new QVBoxLayout;
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connect(m_newFormWidget, SIGNAL(templateActivated()), this, SLOT(slotTemplateActivated()));
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connect(m_newFormWidget, SIGNAL(currentTemplateChanged(bool)), this, SLOT(slotCurrentTemplateChanged(bool)));
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vBoxLayout->addWidget(m_newFormWidget);
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QFrame *horizontalLine = new QFrame;
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horizontalLine->setFrameShape(QFrame::HLine);
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horizontalLine->setFrameShadow(QFrame::Sunken);
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vBoxLayout->addWidget(horizontalLine);
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m_chkShowOnStartup->setChecked(settings.showNewFormOnStartup());
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vBoxLayout->addWidget(m_chkShowOnStartup);
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m_buttonBox = createButtonBox();
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vBoxLayout->addWidget(m_buttonBox);
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setLayout(vBoxLayout);
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resize(500, 400);
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slotCurrentTemplateChanged(m_newFormWidget->hasCurrentTemplate());
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}
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QDialogButtonBox *NewForm::createButtonBox()
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{
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// Dialog buttons with 'recent files'
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QDialogButtonBox *buttonBox = new QDialogButtonBox;
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buttonBox->addButton(QApplication::translate("NewForm", "&Close", 0,
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QApplication::UnicodeUTF8), QDialogButtonBox::RejectRole);
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buttonBox->addButton(m_createButton, QDialogButtonBox::AcceptRole);
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buttonBox->addButton(QApplication::translate("NewForm", "&Open...", 0,
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QApplication::UnicodeUTF8), QDialogButtonBox::ActionRole);
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buttonBox->addButton(m_recentButton, QDialogButtonBox::ActionRole);
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QDesignerActions *da = m_workbench->actionManager();
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QMenu *recentFilesMenu = new QMenu(tr("&Recent Forms"), m_recentButton);
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// Pop the "Recent Files" stuff in here.
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const QList<QAction *> recentActions = da->recentFilesActions()->actions();
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if (!recentActions.empty()) {
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const QList<QAction *>::const_iterator acend = recentActions.constEnd();
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for (QList<QAction *>::const_iterator it = recentActions.constBegin(); it != acend; ++it) {
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recentFilesMenu->addAction(*it);
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connect(*it, SIGNAL(triggered()), this, SLOT(recentFileChosen()));
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}
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}
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m_recentButton->setMenu(recentFilesMenu);
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connect(buttonBox, SIGNAL(clicked(QAbstractButton*)), this, SLOT(slotButtonBoxClicked(QAbstractButton*)));
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return buttonBox;
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}
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NewForm::~NewForm()
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{
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QDesignerSettings settings (m_workbench->core());
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settings.setShowNewFormOnStartup(m_chkShowOnStartup->isChecked());
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}
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void NewForm::recentFileChosen()
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{
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QAction *action = qobject_cast<QAction *>(sender());
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if (!action)
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return;
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if (action->objectName() == QLatin1String("__qt_action_clear_menu_"))
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return;
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close();
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}
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void NewForm::slotCurrentTemplateChanged(bool templateSelected)
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{
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if (templateSelected) {
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m_createButton->setEnabled(true);
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m_createButton->setDefault(true);
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} else {
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m_createButton->setEnabled(false);
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}
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}
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void NewForm::slotTemplateActivated()
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{
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m_createButton->animateClick(0);
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}
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void NewForm::slotButtonBoxClicked(QAbstractButton *btn)
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{
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switch (m_buttonBox->buttonRole(btn)) {
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case QDialogButtonBox::RejectRole:
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reject();
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break;
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case QDialogButtonBox::ActionRole:
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if (btn != m_recentButton) {
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m_fileName.clear();
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if (m_workbench->actionManager()->openForm(this))
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accept();
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}
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break;
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case QDialogButtonBox::AcceptRole: {
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QString errorMessage;
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if (openTemplate(&errorMessage)) {
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accept();
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} else {
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QMessageBox::warning(this, tr("Read error"), errorMessage);
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}
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}
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break;
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default:
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break;
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}
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}
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bool NewForm::openTemplate(QString *ptrToErrorMessage)
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{
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const QString contents = m_newFormWidget->currentTemplate(ptrToErrorMessage);
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if (contents.isEmpty())
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return false;
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// Write to temporary file and open
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QString tempPattern = QDir::tempPath();
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if (!tempPattern.endsWith(QDir::separator())) // platform-dependant
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tempPattern += QDir::separator();
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tempPattern += QLatin1String("XXXXXX.ui");
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QTemporaryFile tempFormFile(tempPattern);
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tempFormFile.setAutoRemove(true);
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if (!tempFormFile.open()) {
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*ptrToErrorMessage = tr("A temporary form file could not be created in %1.").arg(QDir::tempPath());
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return false;
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}
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const QString tempFormFileName = tempFormFile.fileName();
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tempFormFile.write(contents.toUtf8());
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if (!tempFormFile.flush()) {
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*ptrToErrorMessage = tr("The temporary form file %1 could not be written.").arg(tempFormFileName);
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return false;
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}
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tempFormFile.close();
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return m_workbench->openTemplate(tempFormFileName, m_fileName, ptrToErrorMessage);
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}
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QImage NewForm::grabForm(QDesignerFormEditorInterface *core,
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QIODevice &file,
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const QString &workingDir,
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const qdesigner_internal::DeviceProfile &dp)
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{
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return qdesigner_internal::NewFormWidget::grabForm(core, file, workingDir, dp);
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}
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QT_END_NAMESPACE
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