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360 lines
9.2 KiB
360 lines
9.2 KiB
/****************************************************************************
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**
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** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
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**
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** This file is part of an example program for Qt. This example
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** program may be used, distributed and modified without limitation.
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**
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*****************************************************************************/
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#include "../dirview/dirview.h"
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#include "qdir.h"
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#include <qapplication.h>
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#include <qtextview.h>
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#include <qfileinfo.h>
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#include <qfile.h>
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#include <qtextstream.h>
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#include <qhbox.h>
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#include <qspinbox.h>
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#include <qlabel.h>
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#include <qmultilineedit.h>
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#include <qheader.h>
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#include <qevent.h>
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#include <qpainter.h>
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#include <qpopupmenu.h>
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#include <qpushbutton.h>
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#include <qtoolbutton.h>
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#include <qfile.h>
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#include <qtextstream.h>
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#include <qtooltip.h>
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#include <stdlib.h>
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/* XPM */
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static const char *bookmarks[]={
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"22 14 8 1",
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"# c #000080",
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"a c #585858",
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"b c #000000",
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"c c #ffffff",
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"d c #ffffff",
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"e c #ffffff",
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"f c #000000",
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". c None",
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"...bb.................",
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"..bacb....bbb.........",
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"..badcb.bbccbab.......",
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"..bacccbadccbab.......",
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"..baecdbcccdbab.......",
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"..bacccbacccbab.......",
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"..badcdbcecdfab.......",
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"..bacecbacccbab.......",
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"..baccdbcccdbab.......",
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"...badcbacdbbab.......",
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"....bacbcbbccab.......",
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".....babbaaaaab.......",
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".....bbabbbbbbb.......",
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"......bb.............."
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};
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/* XPM */
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static const char *home[]={
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"16 15 4 1",
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"# c #000000",
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"a c #ffffff",
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"b c #c0c0c0",
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". c None",
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".......##.......",
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"..#...####......",
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"..#..#aabb#.....",
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"..#.#aaaabb#....",
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"..##aaaaaabb#...",
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"..#aaaaaaaabb#..",
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".#aaaaaaaaabbb#.",
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"###aaaaaaaabb###",
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"..#aaaaaaaabb#..",
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"..#aaa###aabb#..",
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"..#aaa#.#aabb#..",
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"..#aaa#.#aabb#..",
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"..#aaa#.#aabb#..",
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"..#aaa#.#aabb#..",
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"..#####.######.."
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};
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// ****************************************************************************************************
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PixmapView::PixmapView( QWidget *parent )
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: QScrollView( parent )
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{
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viewport()->setBackgroundMode( PaletteBase );
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}
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void PixmapView::setPixmap( const QPixmap &pix )
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{
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pixmap = pix;
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resizeContents( pixmap.size().width(), pixmap.size().height() );
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viewport()->repaint( FALSE );
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}
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void PixmapView::drawContents( QPainter *p, int cx, int cy, int cw, int ch )
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{
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p->fillRect( cx, cy, cw, ch, colorGroup().brush( QColorGroup::Base ) );
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p->drawPixmap( 0, 0, pixmap );
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}
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// ****************************************************************************************************
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Preview::Preview( QWidget *parent )
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: QWidgetStack( parent )
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{
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normalText = new QMultiLineEdit( this );
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normalText->setReadOnly( TRUE );
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html = new QTextView( this );
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pixmap = new PixmapView( this );
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raiseWidget( normalText );
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}
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void Preview::showPreview( const QUrl &u, int size )
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{
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if ( u.isLocalFile() ) {
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QString path = u.path();
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QFileInfo fi( path );
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if ( fi.isFile() && (int)fi.size() > size * 1000 ) {
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normalText->setText( tr( "The File\n%1\nis too large, so I don't show it!" ).arg( path ) );
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raiseWidget( normalText );
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return;
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}
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QPixmap pix( path );
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if ( pix.isNull() ) {
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if ( fi.isFile() ) {
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QFile f( path );
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if ( f.open( IO_ReadOnly ) ) {
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QTextStream ts( &f );
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QString text = ts.read();
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f.close();
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if ( fi.extension().lower().contains( "htm" ) ) {
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QString url = html->mimeSourceFactory()->makeAbsolute( path, html->context() );
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html->setText( text, url );
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raiseWidget( html );
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return;
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} else {
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normalText->setText( text );
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raiseWidget( normalText );
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return;
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}
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}
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}
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normalText->setText( QString::null );
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raiseWidget( normalText );
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} else {
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pixmap->setPixmap( pix );
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raiseWidget( pixmap );
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}
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} else {
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normalText->setText( "I only show local files!" );
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raiseWidget( normalText );
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}
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}
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// ****************************************************************************************************
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PreviewWidget::PreviewWidget( QWidget *parent )
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: QVBox( parent ), QFilePreview()
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{
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setSpacing( 5 );
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setMargin( 5 );
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QHBox *row = new QHBox( this );
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row->setSpacing( 5 );
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(void)new QLabel( tr( "Only show files smaller than: " ), row );
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sizeSpinBox = new QSpinBox( 1, 10000, 1, row );
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sizeSpinBox->setSuffix( " KB" );
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sizeSpinBox->setValue( 64 );
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row->setFixedHeight( 10 + sizeSpinBox->sizeHint().height() );
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preview = new Preview( this );
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}
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void PreviewWidget::previewUrl( const QUrl &u )
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{
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preview->showPreview( u, sizeSpinBox->value() );
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}
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// ****************************************************************************************************
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CustomFileDialog::CustomFileDialog()
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: QFileDialog( 0, 0, TRUE )
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{
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setDir( "/" );
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dirView = new DirectoryView( this, 0, TRUE );
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dirView->addColumn( "" );
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dirView->header()->hide();
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::Directory *root = new ::Directory( dirView, "/" );
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root->setOpen( TRUE );
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dirView->setFixedWidth( 150 );
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addLeftWidget( dirView );
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QPushButton *p = new QPushButton( this );
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p->setPixmap( QPixmap( bookmarks ) );
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QToolTip::add( p, tr( "Bookmarks" ) );
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bookmarkMenu = new QPopupMenu( this );
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connect( bookmarkMenu, SIGNAL( activated( int ) ),
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this, SLOT( bookmarkChosen( int ) ) );
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addId = bookmarkMenu->insertItem( tr( "Add bookmark" ) );
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bookmarkMenu->insertSeparator();
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QFile f( ".bookmarks" );
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if ( f.open( IO_ReadOnly ) ) {
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QDataStream ds( &f );
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ds >> bookmarkList;
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f.close();
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QStringList::Iterator it = bookmarkList.begin();
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for ( ; it != bookmarkList.end(); ++it ) {
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bookmarkMenu->insertItem( *it );
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}
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}
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p->setPopup( bookmarkMenu );
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addToolButton( p, TRUE );
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connect( dirView, SIGNAL( folderSelected( const QString & ) ),
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this, SLOT( setDir2( const QString & ) ) );
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connect( this, SIGNAL( dirEntered( const QString & ) ),
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dirView, SLOT( setDir( const QString & ) ) );
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QToolButton *b = new QToolButton( this );
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QToolTip::add( b, tr( "Go Home!" ) );
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b->setPixmap( QPixmap( home ) );
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connect( b, SIGNAL( clicked() ),
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this, SLOT( goHome() ) );
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addToolButton( b );
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resize( width() + width() / 3, height() );
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}
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CustomFileDialog::~CustomFileDialog()
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{
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if ( !bookmarkList.isEmpty() ) {
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QFile f( ".bookmarks" );
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if ( f.open( IO_WriteOnly ) ) {
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QDataStream ds( &f );
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ds << bookmarkList;
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f.close();
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}
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}
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}
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void CustomFileDialog::setDir2( const QString &s )
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{
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blockSignals( TRUE );
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setDir( s );
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blockSignals( FALSE );
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}
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void CustomFileDialog::showEvent( QShowEvent *e )
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{
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QFileDialog::showEvent( e );
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dirView->setDir( dirPath() );
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}
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void CustomFileDialog::bookmarkChosen( int i )
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{
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if ( i == addId ) {
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bookmarkList << dirPath();
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bookmarkMenu->insertItem( dirPath() );
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} else {
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setDir( bookmarkMenu->text( i ) );
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}
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}
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void CustomFileDialog::goHome()
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{
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if ( getenv( "HOME" ) )
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setDir( getenv( "HOME" ) );
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else
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setDir( "/" );
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}
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// ****************************************************************************************************
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int main( int argc, char ** argv )
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{
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QFileDialog::Mode mode = QFileDialog::ExistingFile;
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QString start;
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QString filter;
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QString caption;
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bool preview = FALSE;
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bool custom = FALSE;
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QApplication a( argc, argv );
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for (int i=1; i<argc; i++) {
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QString arg = argv[i];
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if ( arg == "-any" )
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mode = QFileDialog::AnyFile;
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else if ( arg == "-dir" )
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mode = QFileDialog::Directory;
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else if ( arg == "-default" )
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start = argv[++i];
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else if ( arg == "-filter" )
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filter = argv[++i];
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else if ( arg == "-preview" )
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preview = TRUE;
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else if ( arg == "-custom" )
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custom = TRUE;
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else if ( arg[0] == '-' ) {
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qDebug("Usage: qdir [-any | -dir | -custom] [-preview] [-default f] {-filter f} [caption ...]\n"
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" -any Get any filename, need not exist.\n"
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" -dir Return a directory rather than a file.\n"
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" -custom Opens a customized QFileDialog with \n"
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" dir browser, bookmark menu, etc.\n"
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" -preview Show a preview widget.\n"
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" -default f Start from directory/file f.\n"
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" -filter f eg. '*.gif' '*.bmp'\n"
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" caption ... Caption for dialog.\n"
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);
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return 1;
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} else {
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if ( !caption.isNull() )
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caption += ' ';
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caption += arg;
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}
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}
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if ( !start )
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start = QDir::currentDirPath();
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if ( !caption )
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caption = mode == QFileDialog::Directory
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? "Choose directory..." : "Choose file...";
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if ( !custom ) {
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QFileDialog fd( QString::null, filter, 0, 0, TRUE );
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fd.setMode( mode );
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if ( preview ) {
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fd.setContentsPreviewEnabled( TRUE );
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PreviewWidget *pw = new PreviewWidget( &fd );
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fd.setContentsPreview( pw, pw );
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fd.setViewMode( QFileDialog::List );
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fd.setPreviewMode( QFileDialog::Contents );
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}
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fd.setCaption( caption );
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fd.setSelection( start );
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if ( fd.exec() == QDialog::Accepted ) {
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QString result = fd.selectedFile();
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printf("%s\n", (const char*)result);
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return 0;
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} else {
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return 1;
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}
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} else {
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CustomFileDialog fd;
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fd.exec();
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return 1;
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}
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}
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