resource.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 <qmenudata.h>
#include "resource.h"
#include "defs.h"
#include "metadatabase.h"
#include "formwindow.h"
#include "mainwindow.h"
#include "qdom.h"
#include <widgetdatabase.h>
#include "widgetfactory.h"
#include "layout.h"
#include <domtool.h>
#include "command.h"
#ifndef QT_NO_SQL
#include "database.h"
#endif
#include "actiondnd.h"
#include "project.h"
#include "pixmapcollection.h"
#include "formfile.h"

#include <qfeatures.h>
#include <qfile.h>
#include <qtextstream.h>
#include <qobject.h>
#include <qwidget.h>
#include <qobjectlist.h>
#include <qmetaobject.h>
#include <qworkspace.h>
#include <qtabwidget.h>
#include <qapplication.h>
#include <qbuffer.h>
#include <qlayout.h>
#include <qtooltip.h>
#include <qwhatsthis.h>
#include <qtabwidget.h>
#include <qlistbox.h>
#include <qcombobox.h>
#include <qwidgetstack.h>
#include <qtabbar.h>
#include <qheader.h>
#include <qlistview.h>
#include <qiconview.h>
#include <qlabel.h>
#include <qwizard.h>
#include <qtextcodec.h>
#include <qdatetime.h>
#ifndef QT_NO_TABLE
#include <qtable.h>
#endif

static QString makeIndent( int indent )
{
    QString s;
    s.fill( ' ', indent * 4 );
    return s;
}

static QString entitize( const QString &s, bool attribute = FALSE )
{
    QString s2 = s;
    s2 = s2.replace( "&", "&amp;" );
    s2 = s2.replace( ">", "&gt;" );
    s2 = s2.replace( "<", "&lt;" );
    if ( attribute ) {
	s2 = s2.replace( "\"", "&quot;" );
	s2 = s2.replace( "'", "&apos;" );
    }
    return s2;
}

static QString mkBool( bool b )
{
    return b? "true" : "false";
}

/*!
  \class Resource resource.h
  \brief Class for saving/loading, etc. forms

  This class is used for saving and loading forms, code generation,
  transferring data of widgets over the clipboard, etc..

*/


Resource::Resource()
{
    mainwindow = 0;
    formwindow = 0;
    toplevel = 0;
    copying = FALSE;
    pasting = FALSE;
    hadGeometry = FALSE;
    langIface = 0;
    hasFunctions = FALSE;
}

Resource::Resource( MainWindow* mw )
    : mainwindow( mw )
{
    formwindow = 0;
    toplevel = 0;
    copying = FALSE;
    pasting = FALSE;
    hadGeometry = FALSE;
    langIface = 0;
    hasFunctions = FALSE;
}

Resource::~Resource()
{
    if ( langIface )
	langIface->release();
}

void Resource::setWidget( FormWindow *w )
{
    formwindow = w;
    toplevel = w;
}

QWidget *Resource::widget() const
{
    return toplevel;
}

bool Resource::load( FormFile *ff, Project *defProject )
{
    if ( !ff || ff->absFileName().isEmpty() )
	return FALSE;
    currFileName = ff->absFileName();
    mainContainerSet = FALSE;

    QFile f( ff->absFileName() );
    f.open( IO_ReadOnly );

    bool b = load( ff, &f, defProject );
    f.close();

    return b;
}

#undef signals
#undef slots

bool Resource::load( FormFile *ff, QIODevice* dev, Project *defProject )
{
    QDomDocument doc;
    QString errMsg;
    int errLine;
    if ( !doc.setContent( dev, &errMsg, &errLine ) ) {
	qDebug( QString("Parse error: ") + errMsg + QString(" in line %d"), errLine );
	return FALSE;
    }

    DomTool::fixDocument( doc );

    QWidget *p = mainwindow ? mainwindow->qWorkspace() : 0;
    toplevel = formwindow = new FormWindow( ff, p, 0 );
    if ( defProject )
	formwindow->setProject( defProject );
    else if ( MainWindow::self )
	formwindow->setProject( MainWindow::self->currProject() );
    if ( mainwindow )
	formwindow->setMainWindow( mainwindow );
    MetaDataBase::addEntry( formwindow );

    if ( !langIface ) {
	QString lang = "Qt Script";
	if ( mainwindow )
	    lang = mainwindow->currProject()->language();
	langIface = MetaDataBase::languageInterface( lang );
	if ( langIface )
	    langIface->addRef();
    }

    QDomElement e = doc.firstChild().toElement().firstChild().toElement();

    QDomElement forwards = e;
    while ( forwards.tagName() != "forwards" && !forwards.isNull() )
	forwards = forwards.nextSibling().toElement();

    QDomElement includes = e;
    while ( includes.tagName() != "includes" && !includes.isNull() )
	includes = includes.nextSibling().toElement();

    QDomElement variables = e;
    while ( variables.tagName() != "variables" && !variables.isNull() )
	variables = variables.nextSibling().toElement();

    QDomElement signals = e;
    while ( signals.tagName() != "signals" && !signals.isNull() )
	signals = signals.nextSibling().toElement();

    QDomElement slots = e;
    while ( slots.tagName() != "slots" && !slots.isNull() )
	slots = slots.nextSibling().toElement();

    QDomElement functions = e;
    while ( functions.tagName() != "functions" && !functions.isNull() )
	functions = functions.nextSibling().toElement();

    QDomElement connections = e;
    while ( connections.tagName() != "connections" && !connections.isNull() )
	connections = connections.nextSibling().toElement();

    QDomElement imageCollection = e;
    images.clear();
    while ( imageCollection.tagName() != "images" && !imageCollection.isNull() )
	imageCollection = imageCollection.nextSibling().toElement();

    QDomElement customWidgets = e;
    while ( customWidgets.tagName() != "customwidgets" && !customWidgets.isNull() )
	customWidgets = customWidgets.nextSibling().toElement();

    QDomElement tabOrder = e;
    while ( tabOrder.tagName() != "tabstops" && !tabOrder.isNull() )
	tabOrder = tabOrder.nextSibling().toElement();

    QDomElement actions = e;
    while ( actions.tagName() != "actions" && !actions.isNull() )
	actions = actions.nextSibling().toElement();

    QDomElement toolbars = e;
    while ( toolbars.tagName() != "toolbars" && !toolbars.isNull() )
	toolbars = toolbars.nextSibling().toElement();

    QDomElement menubar = e;
    while ( menubar.tagName() != "menubar" && !menubar.isNull() )
	menubar = menubar.nextSibling().toElement();

    QDomElement widget;
    while ( !e.isNull() ) {
	if ( e.tagName() == "widget" ) {
	    widgets.clear();
	    widget = e;
	} else if ( e.tagName() == "include" ) { // compatibility with 2.x
	    MetaDataBase::Include inc;
	    inc.location = "global";
	    if ( e.attribute( "location" ) == "local" )
		inc.location = "local";
	    inc.implDecl = "in declaration";
	    if ( e.attribute( "impldecl" ) == "in implementation" )
		inc.implDecl = "in implementation";
	    inc.header = e.firstChild().toText().data();
	    if ( inc.header.right( 5 ) != ".ui.h" ) {
		metaIncludes.append( inc );
	    } else {
		if ( formwindow->formFile() )
		    formwindow->formFile()->setCodeFileState( FormFile::Ok );
	    }
	} else if ( e.tagName() == "comment" ) {
	    metaInfo.comment = e.firstChild().toText().data();
	} else if ( e.tagName() == "forward" ) { // compatibility with old betas
	    metaForwards << e.firstChild().toText().data();
	} else if ( e.tagName() == "variable" ) { // compatibility with old betas
	    MetaDataBase::Variable v;
	    v.varName = e.firstChild().toText().data();
	    v.varAccess = "protected";
	    metaVariables << v;
	} else if ( e.tagName() == "author" ) {
	    metaInfo.author = e.firstChild().toText().data();
	} else if ( e.tagName() == "class" ) {
	    metaInfo.className = e.firstChild().toText().data();
	} else if ( e.tagName() == "pixmapfunction" ) {
	    if ( formwindow ) {
		formwindow->setSavePixmapInline( FALSE );
		formwindow->setSavePixmapInProject( FALSE );
		formwindow->setPixmapLoaderFunction( e.firstChild().toText().data() );
	    }
	} else if ( e.tagName() == "pixmapinproject" ) {
	    if ( formwindow ) {
		formwindow->setSavePixmapInline( FALSE );
		formwindow->setSavePixmapInProject( TRUE );
	    }
	} else if ( e.tagName() == "exportmacro" ) {
	    exportMacro = e.firstChild().toText().data();
	} else if ( e.tagName() == "layoutdefaults" ) {
	    formwindow->setLayoutDefaultSpacing( e.attribute( "spacing", QString::number( formwindow->layoutDefaultSpacing() ) ).toInt() );
	    formwindow->setLayoutDefaultMargin( e.attribute( "margin", QString::number( formwindow->layoutDefaultMargin() ) ).toInt() );
	} else if ( e.tagName() == "layoutfunctions" ) {
	    formwindow->setSpacingFunction( e.attribute( "spacing" ) );
	    formwindow->setMarginFunction( e.attribute( "margin" ) );
	    if ( !formwindow->marginFunction().isEmpty() || !formwindow->spacingFunction().isEmpty() )
		formwindow->hasLayoutFunctions( TRUE );
	}

	e = e.nextSibling().toElement();
    }

    if ( !imageCollection.isNull() )
	loadImageCollection( imageCollection );
    if ( !customWidgets.isNull() )
	loadCustomWidgets( customWidgets, this );

#if defined (QT_NON_COMMERCIAL)
    bool previewMode = MainWindow::self ? MainWindow::self->isPreviewing() : FALSE;
    QWidget *w = (QWidget*)createObject( widget, !previewMode ? (QWidget*)formwindow : MainWindow::self );
    if ( !w )
	return FALSE;
    if ( previewMode )
	w->reparent( MainWindow::self, Qt::WType_TopLevel,  w->pos(), TRUE );
#else
    if ( !createObject( widget, formwindow) )
	return FALSE;
#endif

    if ( !forwards.isNull() ) {
	for ( QDomElement n = forwards.firstChild().toElement(); !n.isNull(); n = n.nextSibling().toElement() )
	    if ( n.tagName() == "forward" )
		metaForwards << n.firstChild().toText().data();
    }

    if ( !includes.isNull() ) {
	for ( QDomElement n = includes.firstChild().toElement(); !n.isNull(); n = n.nextSibling().toElement() )
	    if ( n.tagName() == "include" ) {
		if ( n.tagName() == "include" ) {
		    MetaDataBase::Include inc;
		    inc.location = "global";
		    if ( n.attribute( "location" ) == "local" )
			inc.location = "local";
		    inc.implDecl = "in declaration";
		    if ( n.attribute( "impldecl" ) == "in implementation" )
			inc.implDecl = "in implementation";
		    inc.header = n.firstChild().toText().data();
		    if ( inc.header.right( 5 ) != ".ui.h" ) {
			metaIncludes.append( inc );
		    } else {
			if ( formwindow->formFile() )
			    formwindow->formFile()->setCodeFileState( FormFile::Ok );
		    }
		}
	    }
    }

    if ( !variables.isNull() ) {
	for ( QDomElement n = variables.firstChild().toElement(); !n.isNull();
	      n = n.nextSibling().toElement() ) {
	    if ( n.tagName() == "variable" ) {
		MetaDataBase::Variable v;
		v.varName = n.firstChild().toText().data();
		v.varAccess = n.attribute( "access", "protected" );
		if ( v.varAccess.isEmpty() )
		    v.varAccess = "protected";
		metaVariables << v;
	    }
	}
    }
    if ( !signals.isNull() ) {
	for ( QDomElement n = signals.firstChild().toElement(); !n.isNull(); n = n.nextSibling().toElement() )
	    if ( n.tagName() == "signal" )
		metaSignals << n.firstChild().toText().data();
    }
    if ( !slots.isNull() ) {
	for ( QDomElement n = slots.firstChild().toElement(); !n.isNull(); n = n.nextSibling().toElement() )
	    if ( n.tagName() == "slot" ) {
		MetaDataBase::Function function;
		function.specifier = n.attribute( "specifier", "virtual" );
		if ( function.specifier.isEmpty() )
		    function.specifier = "virtual";