mainwindow.cpp

Linux下的基于X11的图形开发环境。

 /**********************************************************************
** Copyright (C) 2000-2002 Trolltech AS.  All rights reserved.
**
** This file is part of Qt Designer.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact [e-mail] if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/

#include "designerappiface.h"
#include "designerapp.h"

#include "mainwindow.h"
#include "defs.h"
#include "globaldefs.h"
#include "formwindow.h"
#include "widgetdatabase.h"
#include "widgetfactory.h"
#include "propertyeditor.h"
#include "metadatabase.h"
#include "resource.h"
#include "config.h"
#include "hierarchyview.h"
#include "newformimpl.h"
#include "workspace.h"
#include "about.h"
#include "multilineeditorimpl.h"
#include "wizardeditorimpl.h"
#include "outputwindow.h"
#include "actioneditorimpl.h"
#include "actiondnd.h"
#include "project.h"
#include "projectsettingsimpl.h"
#include "qwidgetfactory.h"
#include "pixmapcollection.h"
#include "qcompletionedit.h"
#include "sourcefile.h"
#include "qcategorywidget.h"
#include "widgetaction.h"
#include "propertyobject.h"
#include <qinputdialog.h>
#include <qtoolbar.h>
#include <qfeatures.h>
#include <qmetaobject.h>
#include <qaction.h>
#include <qpixmap.h>
#include <qworkspace.h>
#include <qfiledialog.h>
#include <qclipboard.h>
#include <qmessagebox.h>
#include <qbuffer.h>
#include <qdir.h>
#include <qstyle.h>
#include <qlabel.h>
#include <qstatusbar.h>
#include <qfile.h>
#include <qcheckbox.h>
#include <qwhatsthis.h>
#include <qwizard.h>
#include <qtimer.h>
#include <qlistbox.h>
#include <qdockwindow.h>
#include <qstylefactory.h>
#include <qvbox.h>
#include <qprocess.h>
#include <qsettings.h>
#include <qaccel.h>
#include <qtooltip.h>
#include <qassistantclient.h>
#include <stdlib.h>

static bool mblockNewForms = FALSE;
extern QMap<QWidget*, QString> *qwf_forms;
extern QString *qwf_language;
extern bool qwf_execute_code;
extern bool qwf_stays_on_top;
extern void set_splash_status( const QString &txt );
extern QObject* qwf_form_object;
extern QString *qwf_plugin_dir;
/*### static bool tbSettingsRead = FALSE; */

MainWindow *MainWindow::self = 0;

QString assistantPath()
{
    QString path = QDir::cleanDirPath( QString( qInstallPathBins() ) +
				       QDir::separator() );
    return path;
}


static QString textNoAccel( const QString& text)
{
    QString t = text;
    int i;
    while ( (i = t.find('&') )>= 0 ) {
	t.remove(i,1);
    }
    return t;
}


MainWindow::MainWindow( bool asClient, bool single, const QString &plgDir )
    : QMainWindow( 0, "designer_mainwindow", WType_TopLevel | (single ? 0 : WDestructiveClose) | WGroupLeader ),
      grd( 10, 10 ), sGrid( TRUE ), snGrid( TRUE ), restoreConfig( TRUE ), splashScreen( TRUE ),
      fileFilter( tr( "Qt User-Interface Files (*.ui)" ) ), client( asClient ),
      previewing( FALSE ), databaseAutoEdit( FALSE )
{
#ifdef Q_WS_WIN
    extern void qInitImages_designerlib();
    qInitImages_designerlib();
#else
    extern void qInitImages_designer();
    qInitImages_designer();
#endif

    self = this;
    setPluginDirectory( plgDir );
    customWidgetToolBar = customWidgetToolBar2 = 0;
    guiStuffVisible = TRUE;
    editorsReadOnly = FALSE;
    sSignalHandlers = TRUE;
    init_colors();
    shStartDialog = TRUE;

    desInterface = new DesignerInterfaceImpl( this );
    desInterface->addRef();
    inDebugMode = FALSE;

    updateFunctionsTimer = new QTimer( this );
    connect( updateFunctionsTimer, SIGNAL( timeout() ),
	     this, SLOT( doFunctionsChanged() ) );

    set_splash_status( "Loading Plugins..." );
    setupPluginManagers();

    if ( !single )
	qApp->setMainWidget( this );
    QWidgetFactory::addWidgetFactory( new CustomWidgetFactory );
#ifndef Q_WS_MACX
    setIcon( QPixmap::fromMimeSource( "appicon.png" ) );
#endif

    actionGroupTools = 0;
    prefDia = 0;
    windowMenu = 0;
    hierarchyView = 0;
    actionEditor = 0;
    currentProject = 0;
    wspace = 0;
    oWindow = 0;
    singleProject = single;

    statusBar()->clear();
#if defined(QT_NON_COMMERCIAL)
    statusBar()->addWidget( new QLabel(tr("Ready - This is the non-commercial version of Qt - "
	"For commercial evaluations, use the help menu to register with Trolltech."), statusBar()), 1 );
#else
    statusBar()->addWidget( new QLabel("Ready", statusBar()), 1 );
#endif


    set_splash_status( "Setting up GUI..." );
    setupMDI();
    setupMenuBar();

    setupToolbox();

    setupFileActions();
    setupEditActions();
    setupProjectActions();
    setupSearchActions();
    layoutToolBar = new QToolBar( this, "Layout" );
    layoutToolBar->setCloseMode( QDockWindow::Undocked );
    addToolBar( layoutToolBar, tr( "Layout" ) );
    interpreterPluginManager = 0;
    setupToolActions();
    setupLayoutActions();
    setupPreviewActions();
    setupOutputWindow();
    setupActionManager();
    setupWindowActions();

    setupWorkspace();
    setupHierarchyView();
    setupPropertyEditor();
    setupActionEditor();

    setupHelpActions();

    setupRMBMenus();

    connect( this, SIGNAL( projectChanged() ), this, SLOT( emitProjectSignals() ) );
    connect( this, SIGNAL( hasActiveWindow(bool) ), this, SLOT( emitProjectSignals() ) );

    emit hasActiveForm( FALSE );
    emit hasActiveWindow( FALSE );

    lastPressWidget = 0;
    qApp->installEventFilter( this );

    QSize as( qApp->desktop()->size() );
    as -= QSize( 30, 30 );
    resize( QSize( 1200, 1000 ).boundedTo( as ) );

    connect( qApp->clipboard(), SIGNAL( dataChanged() ),
	     this, SLOT( clipboardChanged() ) );
    clipboardChanged();
    layoutChilds = FALSE;
    layoutSelected = FALSE;
    breakLayout = FALSE;
    backPix = TRUE;

    set_splash_status( "Loading User Settings..." );
    readConfig();
    // hack to make WidgetFactory happy (so it knows QWidget and QDialog for resetting properties)
    QWidget *w = WidgetFactory::create( WidgetDatabase::idFromClassName( "QWidget" ), this, 0, FALSE );
    delete w;
    w = WidgetFactory::create( WidgetDatabase::idFromClassName( "QDialog" ), this, 0, FALSE );
    delete w;
    w = WidgetFactory::create( WidgetDatabase::idFromClassName( "QLabel" ), this, 0, FALSE );
    delete w;
    w = WidgetFactory::create( WidgetDatabase::idFromClassName( "QTabWidget" ), this, 0, FALSE );
    delete w;
    w = WidgetFactory::create( WidgetDatabase::idFromClassName( "QFrame" ), this, 0, FALSE );
    delete w;
    setAppropriate( (QDockWindow*)actionEditor->parentWidget(), FALSE );
    actionEditor->parentWidget()->hide();

    assistant = new QAssistantClient( assistantPath(), this );

    statusBar()->setSizeGripEnabled( TRUE );
    set_splash_status( "Initialization Done." );
    if ( shStartDialog )
	QTimer::singleShot( 0, this, SLOT( showStartDialog() ));
}

MainWindow::~MainWindow()
{
    QValueList<Tab>::Iterator tit;
    for ( tit = preferenceTabs.begin(); tit != preferenceTabs.end(); ++tit ) {
	Tab t = *tit;
	delete t.w;
    }
    for ( tit = projectTabs.begin(); tit != projectTabs.end(); ++tit ) {
	Tab t = *tit;
	delete t.w;
    }

    QMap< QAction*, Project* >::Iterator it = projects.begin();
    while ( it != projects.end() ) {
	Project *p = *it;
	++it;
	delete p;
    }
    projects.clear();

    delete oWindow;
    oWindow = 0;

    desInterface->release();
    desInterface = 0;

    delete actionPluginManager;
    delete preferencePluginManager;
    delete projectSettingsPluginManager;
    delete interpreterPluginManager;
    delete templateWizardPluginManager;
    delete editorPluginManager;
    delete sourceTemplatePluginManager;

    MetaDataBase::clearDataBase();
    if(self == this)
	self = 0;
}

void MainWindow::setupMDI()
{
    QVBox *vbox = new QVBox( this );
    setCentralWidget( vbox );
    vbox->setFrameStyle( QFrame::StyledPanel | QFrame::Sunken );
    vbox->setMargin( 1 );
    vbox->setLineWidth( 1 );
    qworkspace = new QWorkspace( vbox );
    qworkspace->setPaletteBackgroundPixmap( QPixmap::fromMimeSource( "background.png" ) );
    qworkspace->setScrollBarsEnabled( TRUE );
    connect( qworkspace, SIGNAL( windowActivated( QWidget * ) ),
	     this, SLOT( activeWindowChanged( QWidget * ) ) );
    lastActiveFormWindow = 0;
    qworkspace->setAcceptDrops( TRUE );
}

void MainWindow::setupMenuBar()
{
    menubar = menuBar();
}

void MainWindow::setupPropertyEditor()
{
    QDockWindow *dw = new QDockWindow( QDockWindow::InDock, this );
    dw->setResizeEnabled( TRUE );
    dw->setCloseMode( QDockWindow::Always );
    propertyEditor = new PropertyEditor( dw );
    addToolBar( dw, Qt::DockRight );
    dw->setWidget( propertyEditor );
    dw->setFixedExtentWidth( 250 );
    dw->setCaption( tr( "Property Editor/Signal Handlers" ) );
    QWhatsThis::add( propertyEditor,
		     tr("<b>The Property Editor</b>"
			"<p>You can change the appearance and behavior of the selected widget in the "
			"property editor.</p>"
			"<p>You can set properties for components and forms at design time and see the "
			"immediately see the effects of the changes. "
			"Each property has its own editor which (depending on the property) can be used "
			"to enter "
			"new values, open a special dialog, or to select values from a predefined list. "
			"Click <b>F1</b> to get detailed help for the selected property.</p>"
			"<p>You can resize the columns of the editor by dragging the separators in the "
			"list's header.</p>"
			"<p><b>Signal Handlers</b></p>"
			"<p>In the Signal Handlers tab you can define connections between "
			"the signals emitted by widgets and the slots in the form. "
			"(These connections can also be made using the connection tool.)" ) );
    dw->show();
}

void MainWindow::setupOutputWindow()
{
    QDockWindow *dw = new QDockWindow( QDockWindow::InDock, this );
    dw->setResizeEnabled( TRUE );
    dw->setCloseMode( QDockWindow::Always );
    addToolBar( dw, Qt::DockBottom );
    oWindow = new OutputWindow( dw );
    dw->setWidget( oWindow );
    dw->setFixedExtentHeight( 150 );
    dw->setCaption( tr( "Output Window" ) );
}

void MainWindow::setupHierarchyView()
{
    if ( hierarchyView )
	return;
    QDockWindow *dw = new QDockWindow( QDockWindow::InDock, this );
    dw->setResizeEnabled( TRUE );
    dw->setCloseMode( QDockWindow::Always );
    hierarchyView = new HierarchyView( dw );
    addToolBar( dw, Qt::DockRight );
    dw->setWidget( hierarchyView );

    dw->setCaption( tr( "Object Explorer" ) );
    dw->setFixedExtentWidth( 250 );
    QWhatsThis::add( hierarchyView,
		     tr("<b>The Object Explorer</b>"
			"<p>The Object Explorer provides an overview of the relationships "
			"between the widgets in a form. You can use the clipboard functions using "
			"a context menu for each item in the view. It is also useful for selecting widgets "
			"in forms that have complex layouts.</p>"
			"<p>The columns can be resized by dragging the separator in the list's header.</p>"
			"<p>The second tab shows all the form's slots, class variables, includes, etc.</p>") );
    dw->show();
}

void MainWindow::setupWorkspace()
{
    QDockWindow *dw = new QDockWindow( QDockWindow::InDock, this );
    dw->setResizeEnabled( TRUE );
    dw->setCloseMode( QDockWindow::Always );
    QVBox *vbox = new QVBox( dw );