workspace.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 <qvariant.h>  // HP-UX compiler needs this here
#include "workspace.h"
#include "formwindow.h"
#include "mainwindow.h"
#include "globaldefs.h"
#include "command.h"
#include "project.h"
#include "pixmapcollection.h"
#include "sourcefile.h"
#include "sourceeditor.h"
#include "propertyeditor.h"

#include <qheader.h>
#include <qdragobject.h>
#include <qfileinfo.h>
#include <qapplication.h>
#include <qpainter.h>
#include <qpen.h>
#include <qobjectlist.h>
#include <qworkspace.h>
#include <qpopupmenu.h>
#include <qtextstream.h>
#include "qcompletionedit.h"

WorkspaceItem::WorkspaceItem( QListView *parent, Project* p )
    : QListViewItem( parent )
{
    init();
    project = p;
    t = ProjectType;
    setPixmap( 0, QPixmap::fromMimeSource( "folder.png" ) );
    setExpandable( FALSE );
}

WorkspaceItem::WorkspaceItem( QListViewItem *parent, SourceFile* sf )
    : QListViewItem( parent )
{
    init();
    sourceFile = sf;
    t = SourceFileType;
    setPixmap( 0, QPixmap::fromMimeSource( "filenew.png" ) );
}

WorkspaceItem::WorkspaceItem( QListViewItem *parent, QObject *o, Project *p )
    : QListViewItem( parent )
{
    init();
    object = o;
    project = p;
    t = ObjectType;
    setPixmap( 0, QPixmap::fromMimeSource( "object.png" ) );
    QObject::connect( p->fakeFormFileFor( o ), SIGNAL( somethingChanged(FormFile*) ),
		      listView(), SLOT( update() ) );
}

WorkspaceItem::WorkspaceItem( QListViewItem *parent, FormFile* ff, Type type )
    : QListViewItem( parent )
{
    init();
    formFile = ff;
    t = type;
    if ( type ==  FormFileType ) {
	setPixmap( 0, QPixmap::fromMimeSource( "form.png" ) );
	QObject::connect( ff, SIGNAL( somethingChanged(FormFile*) ), listView(), SLOT( update(FormFile*) ) );
	if ( formFile->supportsCodeFile() ) {
	    (void) new WorkspaceItem( this, formFile, FormSourceType );
	}
    } else if ( type == FormSourceType ) {
	setPixmap( 0, QPixmap::fromMimeSource( "filenew.png" ) );
    }
}


void WorkspaceItem::init()
{
    autoOpen = FALSE;
    useOddColor = FALSE;
    project = 0;
    sourceFile = 0;
    formFile = 0;
}

void WorkspaceItem::paintCell( QPainter *p, const QColorGroup &cg, int column, int width, int align )
{
    QColorGroup g( cg );
    g.setColor( QColorGroup::Base, backgroundColor() );
    g.setColor( QColorGroup::Foreground, Qt::black );

    if ( type() == FormSourceType &&
	 ( !formFile->hasFormCode() || ( formFile->codeFileState() == FormFile::Deleted && formFile->formWindow() ) ) &&
	 parent() && parent()->parent() && ( (WorkspaceItem*)parent()->parent() )->project &&
	 ( (WorkspaceItem*)parent()->parent() )->project->isCpp() ) {
	g.setColor( QColorGroup::Text, listView()->palette().disabled().color( QColorGroup::Text) );
	g.setColor( QColorGroup::HighlightedText, listView()->palette().disabled().color( QColorGroup::Text) );
    } else {
	g.setColor( QColorGroup::Text, Qt::black );
    }
    p->save();

    if ( isModified() ) {
	QFont f = p->font();
	f.setBold( TRUE );
	p->setFont( f );
    }

    QListViewItem::paintCell( p, g, column, width, align );
    p->setPen( QPen( cg.dark(), 1 ) );
    if ( column == 0 )
	p->drawLine( 0, 0, 0, height() - 1 );
    if ( listView()->firstChild() != this ) {
	if ( nextSibling() != itemBelow() && itemBelow()->depth() < depth() ) {
	    int d = depth() - itemBelow()->depth();
	    p->drawLine( -listView()->treeStepSize() * d, height() - 1, 0, height() - 1 );
	}
    }
    p->drawLine( 0, height() - 1, width, height() - 1 );
    p->drawLine( width - 1, 0, width - 1, height() );
    p->restore();
}

QString WorkspaceItem::text( int column ) const
{
    if ( column != 0 )
	return QListViewItem::text( column );
    switch( t ) {
    case ProjectType:
	if ( project->isDummy() ) {
	    return Project::tr("<No Project>" );
	} else if ( MainWindow::self->singleProjectMode() ) {
	    return QFileInfo( project->fileName() ).baseName();
	}
	return project->makeRelative( project->fileName() );
    case FormFileType:
	if ( !MainWindow::self->singleProjectMode() )
	    return formFile->formName() + ": " + formFile->fileName();
	return formFile->formName();
    case FormSourceType:
	if ( !MainWindow::self->singleProjectMode() )
	    return formFile->codeFile();
	return formFile->formName() + " [Source]";
    case SourceFileType:
	return sourceFile->fileName();
    case ObjectType:
	if ( !project->hasParentObject( object ) )
	    return object->name();
	return project->qualifiedName( object );
    }

    return QString::null; // shut up compiler
}

void WorkspaceItem::fillCompletionList( QStringList& completion )
{
    switch( t ) {
    case ProjectType:
	break;
    case FormFileType:
	completion += formFile->formName();
	completion += formFile->fileName();
	break;
    case FormSourceType:
	completion += formFile->codeFile();
	break;
    case SourceFileType:
	completion += sourceFile->fileName();
	break;
    case ObjectType:
	completion += object->name();
    }
}

bool WorkspaceItem::checkCompletion( const QString& completion )
{
    switch( t ) {
    case ProjectType:
	break;
    case FormFileType:
	return  completion == formFile->formName()
		 || completion == formFile->fileName();
    case FormSourceType:
	return completion == formFile->codeFile();
    case SourceFileType:
	return completion == sourceFile->fileName();
    case ObjectType:
	return completion == object->name();
    }
    return FALSE;
}


bool WorkspaceItem::isModified() const
{
    switch( t ) {
    case ProjectType:
	return project->isModified();
    case FormFileType:
	return formFile->isModified( FormFile::WFormWindow );
    case FormSourceType:
	return formFile->isModified( FormFile::WFormCode );
    case SourceFileType:
	return sourceFile->isModified();
    case ObjectType:
	return project->fakeFormFileFor( object )->isModified();
	break;
    }
    return FALSE; // shut up compiler
}

QString WorkspaceItem::key( int column, bool ) const
{
    QString key = text( column );
    if ( t == FormFileType )
	key.prepend( "0" );
    else if ( t == ObjectType )
	key.prepend( "a" );
    else
	key.prepend( "A" );
    return key;
}

QColor WorkspaceItem::backgroundColor()
{
    bool b = useOddColor;
    if ( t == FormSourceType && parent() )
	b = ( ( WorkspaceItem*)parent() )->useOddColor;
    return b ? *backColor2 : *backColor1;
}


void WorkspaceItem::setOpen( bool b )
{
    QListViewItem::setOpen( b );
    autoOpen = FALSE;
}

void WorkspaceItem::setAutoOpen( bool b )
{
    QListViewItem::setOpen( b );
    autoOpen = b;
}

Workspace::Workspace( QWidget *parent, MainWindow *mw )
    : QListView( parent, 0, WStyle_Customize | WStyle_NormalBorder | WStyle_Title |
		 WStyle_Tool | WStyle_MinMax | WStyle_SysMenu ), mainWindow( mw ),
	project( 0 ), completionDirty( FALSE )
{
    init_colors();

    setDefaultRenameAction( Accept );
    blockNewForms = FALSE;
    bufferEdit = 0;
    header()->setStretchEnabled( TRUE );
    header()->hide();
    setSorting( 0 );
    setResizePolicy( QScrollView::Manual );
#ifndef Q_WS_MAC
    QPalette p( palette() );
    p.setColor( QColorGroup::Base, QColor( *backColor2 ) );
    (void)*selectedBack; // hack
    setPalette( p );
#endif
    addColumn( tr( "Files" ) );
    setAllColumnsShowFocus( TRUE );
    connect( this, SIGNAL( mouseButtonClicked( int, QListViewItem *, const QPoint &, int ) ),
	     this, SLOT( itemClicked( int, QListViewItem *, const QPoint& ) ) ),
    connect( this, SIGNAL( doubleClicked( QListViewItem * ) ),
	     this, SLOT( itemDoubleClicked( QListViewItem * ) ) ),
    connect( this, SIGNAL( contextMenuRequested( QListViewItem *, const QPoint &, int ) ),
	     this, SLOT( rmbClicked( QListViewItem *, const QPoint& ) ) ),
    setHScrollBarMode( AlwaysOff );
    setVScrollBarMode( AlwaysOn );
    viewport()->setAcceptDrops( TRUE );
    setAcceptDrops( TRUE );
    setColumnWidthMode( 1, Manual );
}


void Workspace::projectDestroyed( QObject* o )
{
    if ( o == project ) {
	project = 0;
	clear();
    }
}

void Workspace::setCurrentProject( Project *pro )
{
    if ( project == pro )
	return;
    if ( project ) {
	disconnect( project, SIGNAL( sourceFileAdded(SourceFile*) ), this, SLOT( sourceFileAdded(SourceFile*) ) );
	disconnect( project, SIGNAL( sourceFileRemoved(SourceFile*) ), this, SLOT( sourceFileRemoved(SourceFile*) ) );
	disconnect( project, SIGNAL( formFileAdded(FormFile*) ), this, SLOT( formFileAdded(FormFile*) ) );
	disconnect( project, SIGNAL( formFileRemoved(FormFile*) ), this, SLOT( formFileRemoved(FormFile*) ) );
	disconnect( project, SIGNAL( objectAdded(QObject*) ), this, SLOT( objectAdded(QObject*) ) );
	disconnect( project, SIGNAL( objectRemoved(QObject*) ), this, SLOT( objectRemoved(QObject*) ) );
	disconnect( project, SIGNAL( projectModified() ), this, SLOT( update() ) );
    }
    project = pro;
    connect( project, SIGNAL( sourceFileAdded(SourceFile*) ), this, SLOT( sourceFileAdded(SourceFile*) ) );
    connect( project, SIGNAL( sourceFileRemoved(SourceFile*) ), this, SLOT( sourceFileRemoved(SourceFile*) ) );
    connect( project, SIGNAL( formFileAdded(FormFile*) ), this, SLOT( formFileAdded(FormFile*) ) );
    connect( project, SIGNAL( formFileRemoved(FormFile*) ), this, SLOT( formFileRemoved(FormFile*) ) );
    connect( project, SIGNAL( destroyed(QObject*) ), this, SLOT( projectDestroyed(QObject*) ) );
    connect( project, SIGNAL( objectAdded(QObject*) ), this, SLOT( objectAdded(QObject*) ) );
    connect( project, SIGNAL( objectRemoved(QObject*) ), this, SLOT( objectRemoved(QObject*) ) );
    connect( project, SIGNAL( projectModified() ), this, SLOT( update() ) );
    clear();

    if ( bufferEdit )
	bufferEdit->clear();

    projectItem = new WorkspaceItem( this, project );

    projectItem->setOpen( TRUE );

    for ( QPtrListIterator<SourceFile> sources = project->sourceFiles();
	  sources.current(); ++sources ) {
	SourceFile* f = sources.current();
	(void) new WorkspaceItem( projectItem, f );
    }

    for ( QPtrListIterator<FormFile> forms = project->formFiles();
	  forms.current(); ++forms ) {
	FormFile* f = forms.current();
	if ( f->isFake() )
	    continue;

	(void) new WorkspaceItem( projectItem, f );
    }