Windows-4.7.4/tools/designer/src/designer/qdesigner.cpp - platform/external/qt - Git at Google

 /****************************************************************************
 **
 ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
 ** This file is part of the Qt Designer of the Qt Toolkit.
 **
 ** $QT_BEGIN_LICENSE:LGPL$
 ** GNU Lesser General Public License Usage
 ** 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.
 **
 ** 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.
 **
 ** Other Usage
 ** Alternatively, this file may be used in accordance with the terms and
 ** conditions contained in a signed written agreement between you and Nokia.
 **
 **
 **
 **
 **
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/

 // designer
 #include "qdesigner.h"
 #include "qdesigner_actions.h"
 #include "qdesigner_server.h"
 #include "qdesigner_settings.h"
 #include "qdesigner_workbench.h"
 #include "mainwindow.h"

 #include <qdesigner_propertysheet_p.h>

 #include <QtGui/QFileOpenEvent>
 #include <QtGui/QCloseEvent>
 #include <QtGui/QMessageBox>
 #include <QtGui/QIcon>
 #include <QtGui/QErrorMessage>
 #include <QtCore/QMetaObject>
 #include <QtCore/QFile>
 #include <QtCore/QLibraryInfo>
 #include <QtCore/QLocale>
 #include <QtCore/QTimer>
 #include <QtCore/QTranslator>
 #include <QtCore/QFileInfo>
 #include <QtCore/qdebug.h>

 #include <QtDesigner/QDesignerComponents>

 QT_BEGIN_NAMESPACE

 static const char *designerApplicationName = "Designer";
 static const char *designerWarningPrefix = "Designer: ";

 static void designerMessageHandler(QtMsgType type, const char *msg)
 {
     // Only Designer warnings are displayed as box
     QDesigner *designerApp = qDesigner;
     if (type != QtWarningMsg || !designerApp || qstrncmp(designerWarningPrefix, msg, qstrlen(designerWarningPrefix))) {
         qInstallMsgHandler(0);
         qt_message_output(type, msg);
         qInstallMsgHandler (designerMessageHandler);
         return;
     }
     designerApp->showErrorMessage(msg);
 }

 QDesigner::QDesigner(int &argc, char **argv)
     : QApplication(argc, argv),
       m_server(0),
       m_client(0),
       m_workbench(0), m_suppressNewFormShow(false)
 {
     setOrganizationName(QLatin1String("Trolltech"));
     setApplicationName(QLatin1String(designerApplicationName));
     QDesignerComponents::initializeResources();

 #ifndef Q_WS_MAC
     setWindowIcon(QIcon(QLatin1String(":/trolltech/designer/images/designer.png")));
 #endif
     initialize();
 }

 QDesigner::~QDesigner()
 {
     if (m_workbench)
         delete m_workbench;
     if (m_server)
         delete m_server;
     if (m_client)
         delete m_client;
 }

 void QDesigner::showErrorMessage(const char *message)
 {
     // strip the prefix
     const QString qMessage = QString::fromUtf8(message + qstrlen(designerWarningPrefix));
     // If there is no main window yet, just store the message.
     // The QErrorMessage would otherwise be hidden by the main window.
     if (m_mainWindow) {
         showErrorMessageBox(qMessage);
     } else {
         qInstallMsgHandler(0);
         qt_message_output(QtWarningMsg, message); // just in case we crash
         qInstallMsgHandler (designerMessageHandler);
         m_initializationErrors += qMessage;
         m_initializationErrors += QLatin1Char('\n');
     }
 }

 void QDesigner::showErrorMessageBox(const QString &msg)
 {
     // Manually suppress consecutive messages.
     // This happens if for example sth is wrong with custom widget creation.
     // The same warning will be displayed by Widget box D&D and form Drop
     // while trying to create instance.
     if (m_errorMessageDialog && m_lastErrorMessage == msg)
         return;

     if (!m_errorMessageDialog) {
         m_lastErrorMessage.clear();
         m_errorMessageDialog = new QErrorMessage(m_mainWindow);
         const QString title = QCoreApplication::translate("QDesigner", "%1 - warning").arg(QLatin1String(designerApplicationName));
         m_errorMessageDialog->setWindowTitle(title);
         m_errorMessageDialog->setMinimumSize(QSize(600, 250));
         m_errorMessageDialog->setWindowFlags(m_errorMessageDialog->windowFlags() & ~Qt::WindowContextHelpButtonHint);
     }
     m_errorMessageDialog->showMessage(msg);
     m_lastErrorMessage = msg;
 }

 QDesignerWorkbench *QDesigner::workbench() const
 {
     return m_workbench;
 }

 QDesignerServer *QDesigner::server() const
 {
     return m_server;
 }

 bool QDesigner::parseCommandLineArgs(QStringList &fileNames, QString &resourceDir)
 {
     const QStringList args = arguments();
     const QStringList::const_iterator acend = args.constEnd();
     QStringList::const_iterator it = args.constBegin();
     for (++it; it != acend; ++it) {
         const QString &argument = *it;
         do {
             // Arguments
             if (!argument.startsWith(QLatin1Char('-'))) {
                 if (!fileNames.contains(argument))
                     fileNames.append(argument);
                 break;
             }
             // Options
             if (argument == QLatin1String("-server")) {
                 m_server = new QDesignerServer();
                 printf("%d\n", m_server->serverPort());
                 fflush(stdout);
                 break;
             }
             if (argument == QLatin1String("-client")) {
                 bool ok = true;
                 if (++it == acend) {
                     qWarning("** WARNING The option -client requires an argument");
                     return false;
                 }
                 const quint16 port = it->toUShort(&ok);
                 if (ok) {
                     m_client = new QDesignerClient(port, this);
                 } else {
                     qWarning("** WARNING Non-numeric argument specified for -client");
                     return false;
                 }
                 break;
             }
             if (argument == QLatin1String("-resourcedir")) {
                 if (++it == acend) {
                     qWarning("** WARNING The option -resourcedir requires an argument");
                     return false;
                 }
                 resourceDir = QFile::decodeName(it->toLocal8Bit());
                 break;
             }
             if (argument == QLatin1String("-enableinternaldynamicproperties")) {
                 QDesignerPropertySheet::setInternalDynamicPropertiesEnabled(true);
                 break;
             }
             const QString msg = QString::fromUtf8("** WARNING Unknown option %1").arg(argument);
             qWarning("%s", qPrintable(msg));
         } while (false);
     }
     return true;
 }

 void QDesigner::initialize()
 {
     // initialize the sub components
     QStringList files;
     QString resourceDir = QLibraryInfo::location(QLibraryInfo::TranslationsPath);
     parseCommandLineArgs(files, resourceDir);

     QTranslator *translator = new QTranslator(this);
     QTranslator *qtTranslator = new QTranslator(this);

     const QString localSysName = QLocale::system().name();
     QString  translatorFileName = QLatin1String("designer_");
     translatorFileName += localSysName;
     translator->load(translatorFileName, resourceDir);

     translatorFileName = QLatin1String("qt_");
     translatorFileName += localSysName;
     qtTranslator->load(translatorFileName, resourceDir);
     installTranslator(translator);
     installTranslator(qtTranslator);

     if (QLibraryInfo::licensedProducts() == QLatin1String("Console")) {
         QMessageBox::information(0, tr("Qt Designer"),
                 tr("This application cannot be used for the Console edition of Qt"));
         QMetaObject::invokeMethod(this, "quit", Qt::QueuedConnection);
         return;
     }

     m_workbench = new QDesignerWorkbench();

     emit initialized();
     qInstallMsgHandler(designerMessageHandler); // Warn when loading faulty forms

     m_suppressNewFormShow = m_workbench->readInBackup();

     if (!files.empty()) {
         const QStringList::const_iterator cend = files.constEnd();
         for (QStringList::const_iterator it = files.constBegin(); it != cend; ++it) {
             // Ensure absolute paths for recent file list to be unique
             QString fileName = *it;
             const QFileInfo fi(fileName);
             if (fi.exists() && fi.isRelative())
                 fileName = fi.absoluteFilePath();
             m_workbench->readInForm(fileName);
         }
     }
     if ( m_workbench->formWindowCount())
         m_suppressNewFormShow = true;

     // Show up error box with parent now if something went wrong
     if (m_initializationErrors.isEmpty()) {
         if (!m_suppressNewFormShow && QDesignerSettings(m_workbench->core()).showNewFormOnStartup())
             QTimer::singleShot(100, this, SLOT(callCreateForm())); // won't show anything if suppressed
     } else {
         showErrorMessageBox(m_initializationErrors);
         m_initializationErrors.clear();
     }
 }

 bool QDesigner::event(QEvent *ev)
 {
     bool eaten;
     switch (ev->type()) {
     case QEvent::FileOpen:
         // Set it true first since, if it's a Qt 3 form, the messagebox from convert will fire the timer.
         m_suppressNewFormShow = true;
         if (!m_workbench->readInForm(static_cast<QFileOpenEvent *>(ev)->file()))
             m_suppressNewFormShow = false;
         eaten = true;
         break;
     case QEvent::Close: {
         QCloseEvent *closeEvent = static_cast<QCloseEvent *>(ev);
         closeEvent->setAccepted(m_workbench->handleClose());
         if (closeEvent->isAccepted()) {
             // We're going down, make sure that we don't get our settings saved twice.
             if (m_mainWindow)
                 m_mainWindow->setCloseEventPolicy(MainWindowBase::AcceptCloseEvents);
             eaten = QApplication::event(ev);
         }
         eaten = true;
         break;
     }
     default:
         eaten = QApplication::event(ev);
         break;
     }
     return eaten;
 }

 void QDesigner::setMainWindow(MainWindowBase *tw)
 {
     m_mainWindow = tw;
 }

 MainWindowBase *QDesigner::mainWindow() const
 {
     return m_mainWindow;
 }

 void QDesigner::callCreateForm()
 {
     if (!m_suppressNewFormShow)
         m_workbench->actionManager()->createForm();
 }

 QT_END_NAMESPACE
	/****************************************************************************
	**
	** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
	** All rights reserved.
	** Contact: Nokia Corporation (qt-info@nokia.com)
	**
	** This file is part of the Qt Designer of the Qt Toolkit.
	**
	** $QT_BEGIN_LICENSE:LGPL$
	** GNU Lesser General Public License Usage
	** 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.
	**
	** 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.
	**
	** Other Usage
	** Alternatively, this file may be used in accordance with the terms and
	** conditions contained in a signed written agreement between you and Nokia.
	**
	**
	**
	**
	**
	** $QT_END_LICENSE$
	**
	****************************************************************************/

	// designer
	#include "qdesigner.h"
	#include "qdesigner_actions.h"
	#include "qdesigner_server.h"
	#include "qdesigner_settings.h"
	#include "qdesigner_workbench.h"
	#include "mainwindow.h"

	#include <qdesigner_propertysheet_p.h>

	#include <QtGui/QFileOpenEvent>
	#include <QtGui/QCloseEvent>
	#include <QtGui/QMessageBox>
	#include <QtGui/QIcon>
	#include <QtGui/QErrorMessage>
	#include <QtCore/QMetaObject>
	#include <QtCore/QFile>
	#include <QtCore/QLibraryInfo>
	#include <QtCore/QLocale>
	#include <QtCore/QTimer>
	#include <QtCore/QTranslator>
	#include <QtCore/QFileInfo>
	#include <QtCore/qdebug.h>

	#include <QtDesigner/QDesignerComponents>

	QT_BEGIN_NAMESPACE

	static const char *designerApplicationName = "Designer";
	static const char *designerWarningPrefix = "Designer: ";

	static void designerMessageHandler(QtMsgType type, const char *msg)
	{
	// Only Designer warnings are displayed as box
	QDesigner *designerApp = qDesigner;
	if (type != QtWarningMsg \|\| !designerApp \|\| qstrncmp(designerWarningPrefix, msg, qstrlen(designerWarningPrefix))) {
	qInstallMsgHandler(0);
	qt_message_output(type, msg);
	qInstallMsgHandler (designerMessageHandler);
	return;
	}
	designerApp->showErrorMessage(msg);
	}

	QDesigner::QDesigner(int &argc, char **argv)
	: QApplication(argc, argv),
	m_server(0),
	m_client(0),
	m_workbench(0), m_suppressNewFormShow(false)
	{
	setOrganizationName(QLatin1String("Trolltech"));
	setApplicationName(QLatin1String(designerApplicationName));
	QDesignerComponents::initializeResources();

	#ifndef Q_WS_MAC
	setWindowIcon(QIcon(QLatin1String(":/trolltech/designer/images/designer.png")));
	#endif
	initialize();
	}

	QDesigner::~QDesigner()
	{
	if (m_workbench)
	delete m_workbench;
	if (m_server)
	delete m_server;
	if (m_client)
	delete m_client;
	}

	void QDesigner::showErrorMessage(const char *message)
	{
	// strip the prefix
	const QString qMessage = QString::fromUtf8(message + qstrlen(designerWarningPrefix));
	// If there is no main window yet, just store the message.
	// The QErrorMessage would otherwise be hidden by the main window.
	if (m_mainWindow) {
	showErrorMessageBox(qMessage);
	} else {
	qInstallMsgHandler(0);
	qt_message_output(QtWarningMsg, message); // just in case we crash
	qInstallMsgHandler (designerMessageHandler);
	m_initializationErrors += qMessage;
	m_initializationErrors += QLatin1Char('\n');
	}
	}

	void QDesigner::showErrorMessageBox(const QString &msg)
	{
	// Manually suppress consecutive messages.
	// This happens if for example sth is wrong with custom widget creation.
	// The same warning will be displayed by Widget box D&D and form Drop
	// while trying to create instance.
	if (m_errorMessageDialog && m_lastErrorMessage == msg)
	return;

	if (!m_errorMessageDialog) {
	m_lastErrorMessage.clear();
	m_errorMessageDialog = new QErrorMessage(m_mainWindow);
	const QString title = QCoreApplication::translate("QDesigner", "%1 - warning").arg(QLatin1String(designerApplicationName));
	m_errorMessageDialog->setWindowTitle(title);
	m_errorMessageDialog->setMinimumSize(QSize(600, 250));
	m_errorMessageDialog->setWindowFlags(m_errorMessageDialog->windowFlags() & ~Qt::WindowContextHelpButtonHint);
	}
	m_errorMessageDialog->showMessage(msg);
	m_lastErrorMessage = msg;
	}

	QDesignerWorkbench *QDesigner::workbench() const
	{
	return m_workbench;
	}

	QDesignerServer *QDesigner::server() const
	{
	return m_server;
	}

	bool QDesigner::parseCommandLineArgs(QStringList &fileNames, QString &resourceDir)
	{
	const QStringList args = arguments();
	const QStringList::const_iterator acend = args.constEnd();
	QStringList::const_iterator it = args.constBegin();
	for (++it; it != acend; ++it) {
	const QString &argument = *it;
	do {
	// Arguments
	if (!argument.startsWith(QLatin1Char('-'))) {
	if (!fileNames.contains(argument))
	fileNames.append(argument);
	break;
	}
	// Options
	if (argument == QLatin1String("-server")) {
	m_server = new QDesignerServer();
	printf("%d\n", m_server->serverPort());
	fflush(stdout);
	break;
	}
	if (argument == QLatin1String("-client")) {
	bool ok = true;
	if (++it == acend) {
	qWarning("** WARNING The option -client requires an argument");
	return false;
	}
	const quint16 port = it->toUShort(&ok);
	if (ok) {
	m_client = new QDesignerClient(port, this);
	} else {
	qWarning("** WARNING Non-numeric argument specified for -client");
	return false;
	}
	break;
	}
	if (argument == QLatin1String("-resourcedir")) {
	if (++it == acend) {
	qWarning("** WARNING The option -resourcedir requires an argument");
	return false;
	}
	resourceDir = QFile::decodeName(it->toLocal8Bit());
	break;
	}
	if (argument == QLatin1String("-enableinternaldynamicproperties")) {
	QDesignerPropertySheet::setInternalDynamicPropertiesEnabled(true);
	break;
	}
	const QString msg = QString::fromUtf8("** WARNING Unknown option %1").arg(argument);
	qWarning("%s", qPrintable(msg));
	} while (false);
	}
	return true;
	}

	void QDesigner::initialize()
	{
	// initialize the sub components
	QStringList files;
	QString resourceDir = QLibraryInfo::location(QLibraryInfo::TranslationsPath);
	parseCommandLineArgs(files, resourceDir);

	QTranslator *translator = new QTranslator(this);
	QTranslator *qtTranslator = new QTranslator(this);

	const QString localSysName = QLocale::system().name();
	QString translatorFileName = QLatin1String("designer_");
	translatorFileName += localSysName;
	translator->load(translatorFileName, resourceDir);

	translatorFileName = QLatin1String("qt_");
	translatorFileName += localSysName;
	qtTranslator->load(translatorFileName, resourceDir);
	installTranslator(translator);
	installTranslator(qtTranslator);

	if (QLibraryInfo::licensedProducts() == QLatin1String("Console")) {
	QMessageBox::information(0, tr("Qt Designer"),
	tr("This application cannot be used for the Console edition of Qt"));
	QMetaObject::invokeMethod(this, "quit", Qt::QueuedConnection);
	return;
	}

	m_workbench = new QDesignerWorkbench();

	emit initialized();
	qInstallMsgHandler(designerMessageHandler); // Warn when loading faulty forms

	m_suppressNewFormShow = m_workbench->readInBackup();

	if (!files.empty()) {
	const QStringList::const_iterator cend = files.constEnd();
	for (QStringList::const_iterator it = files.constBegin(); it != cend; ++it) {
	// Ensure absolute paths for recent file list to be unique
	QString fileName = *it;
	const QFileInfo fi(fileName);
	if (fi.exists() && fi.isRelative())
	fileName = fi.absoluteFilePath();
	m_workbench->readInForm(fileName);
	}
	}
	if ( m_workbench->formWindowCount())
	m_suppressNewFormShow = true;

	// Show up error box with parent now if something went wrong
	if (m_initializationErrors.isEmpty()) {
	if (!m_suppressNewFormShow && QDesignerSettings(m_workbench->core()).showNewFormOnStartup())
	QTimer::singleShot(100, this, SLOT(callCreateForm())); // won't show anything if suppressed
	} else {
	showErrorMessageBox(m_initializationErrors);
	m_initializationErrors.clear();
	}
	}

	bool QDesigner::event(QEvent *ev)
	{
	bool eaten;
	switch (ev->type()) {
	case QEvent::FileOpen:
	// Set it true first since, if it's a Qt 3 form, the messagebox from convert will fire the timer.
	m_suppressNewFormShow = true;
	if (!m_workbench->readInForm(static_cast<QFileOpenEvent *>(ev)->file()))
	m_suppressNewFormShow = false;
	eaten = true;
	break;
	case QEvent::Close: {
	QCloseEvent closeEvent = static_cast<QCloseEvent >(ev);
	closeEvent->setAccepted(m_workbench->handleClose());
	if (closeEvent->isAccepted()) {
	// We're going down, make sure that we don't get our settings saved twice.
	if (m_mainWindow)
	m_mainWindow->setCloseEventPolicy(MainWindowBase::AcceptCloseEvents);
	eaten = QApplication::event(ev);
	}
	eaten = true;
	break;
	}
	default:
	eaten = QApplication::event(ev);
	break;
	}
	return eaten;
	}

	void QDesigner::setMainWindow(MainWindowBase *tw)
	{
	m_mainWindow = tw;
	}

	MainWindowBase *QDesigner::mainWindow() const
	{
	return m_mainWindow;
	}

	void QDesigner::callCreateForm()
	{
	if (!m_suppressNewFormShow)
	m_workbench->actionManager()->createForm();
	}

	QT_END_NAMESPACE