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- /****************************************************************************
- ** $Id: qt/qdir.cpp 3.0.3 edited Oct 12 12:18 $
- **
- ** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.
- **
- ** This file is part of an example program for Qt. This example
- ** program may be used, distributed and modified without limitation.
- **
- *****************************************************************************/
-
- #include "../dirview/dirview.h"
- #include "qdir.h"
-
- #include <qapplication.h>
- #include <qtextview.h>
- #include <qfileinfo.h>
- #include <qfile.h>
- #include <qtextstream.h>
- #include <qhbox.h>
- #include <qspinbox.h>
- #include <qlabel.h>
- #include <qmultilineedit.h>
- #include <qheader.h>
- #include <qevent.h>
- #include <qpainter.h>
- #include <qpopupmenu.h>
- #include <qpushbutton.h>
- #include <qtoolbutton.h>
- #include <qfile.h>
- #include <qtextstream.h>
- #include <qtooltip.h>
-
- #include <stdlib.h>
-
- /* XPM */
- static const char *bookmarks[]={
- "22 14 8 1",
- "# c #000080",
- "a c #585858",
- "b c #000000",
- "c c #ffffff",
- "d c #ffffff",
- "e c #ffffff",
- "f c #000000",
- ". c None",
- "...bb.................",
- "..bacb....bbb.........",
- "..badcb.bbccbab.......",
- "..bacccbadccbab.......",
- "..baecdbcccdbab.......",
- "..bacccbacccbab.......",
- "..badcdbcecdfab.......",
- "..bacecbacccbab.......",
- "..baccdbcccdbab.......",
- "...badcbacdbbab.......",
- "....bacbcbbccab.......",
- ".....babbaaaaab.......",
- ".....bbabbbbbbb.......",
- "......bb.............."
- };
-
- /* XPM */
- static const char *home[]={
- "16 15 4 1",
- "# c #000000",
- "a c #ffffff",
- "b c #c0c0c0",
- ". c None",
- ".......##.......",
- "..#...####......",
- "..#..#aabb#.....",
- "..#.#aaaabb#....",
- "..##aaaaaabb#...",
- "..#aaaaaaaabb#..",
- ".#aaaaaaaaabbb#.",
- "###aaaaaaaabb###",
- "..#aaaaaaaabb#..",
- "..#aaa###aabb#..",
- "..#aaa#.#aabb#..",
- "..#aaa#.#aabb#..",
- "..#aaa#.#aabb#..",
- "..#aaa#.#aabb#..",
- "..#####.######.."
- };
-
- // ****************************************************************************************************
-
- PixmapView::PixmapView( QWidget *parent )
- : QScrollView( parent )
- {
- viewport()->setBackgroundMode( PaletteBase );
- }
-
- void PixmapView::setPixmap( const QPixmap &pix )
- {
- pixmap = pix;
- resizeContents( pixmap.size().width(), pixmap.size().height() );
- viewport()->repaint( FALSE );
- }
-
- void PixmapView::drawContents( QPainter *p, int cx, int cy, int cw, int ch )
- {
- p->fillRect( cx, cy, cw, ch, colorGroup().brush( QColorGroup::Base ) );
- p->drawPixmap( 0, 0, pixmap );
- }
-
- // ****************************************************************************************************
-
- Preview::Preview( QWidget *parent )
- : QWidgetStack( parent )
- {
- normalText = new QMultiLineEdit( this );
- normalText->setReadOnly( TRUE );
- html = new QTextView( this );
- pixmap = new PixmapView( this );
- raiseWidget( normalText );
- }
-
- void Preview::showPreview( const QUrl &u, int size )
- {
- if ( u.isLocalFile() ) {
- QString path = u.path();
- QFileInfo fi( path );
- if ( fi.isFile() && (int)fi.size() > size * 1000 ) {
- normalText->setText( tr( "The File\n%1\nis too large, so I don't show it!" ).arg( path ) );
- raiseWidget( normalText );
- return;
- }
-
- QPixmap pix( path );
- if ( pix.isNull() ) {
- if ( fi.isFile() ) {
- QFile f( path );
- if ( f.open( IO_ReadOnly ) ) {
- QTextStream ts( &f );
- QString text = ts.read();
- f.close();
- if ( fi.extension().lower().contains( "htm" ) ) {
- QString url = html->mimeSourceFactory()->makeAbsolute( path, html->context() );
- html->setText( text, url );
- raiseWidget( html );
- return;
- } else {
- normalText->setText( text );
- raiseWidget( normalText );
- return;
- }
- }
- }
- normalText->setText( QString::null );
- raiseWidget( normalText );
- } else {
- pixmap->setPixmap( pix );
- raiseWidget( pixmap );
- }
- } else {
- normalText->setText( "I only show local files!" );
- raiseWidget( normalText );
- }
- }
-
- // ****************************************************************************************************
-
- PreviewWidget::PreviewWidget( QWidget *parent )
- : QVBox( parent ), QFilePreview()
- {
- setSpacing( 5 );
- setMargin( 5 );
- QHBox *row = new QHBox( this );
- row->setSpacing( 5 );
- (void)new QLabel( tr( "Only show files smaller than: " ), row );
- sizeSpinBox = new QSpinBox( 1, 10000, 1, row );
- sizeSpinBox->setSuffix( " KB" );
- sizeSpinBox->setValue( 64 );
- row->setFixedHeight( 10 + sizeSpinBox->sizeHint().height() );
- preview = new Preview( this );
- }
-
- void PreviewWidget::previewUrl( const QUrl &u )
- {
- preview->showPreview( u, sizeSpinBox->value() );
- }
-
- // ****************************************************************************************************
-
- CustomFileDialog::CustomFileDialog()
- : QFileDialog( 0, 0, TRUE )
- {
- setDir( "/" );
-
- dirView = new DirectoryView( this, 0, TRUE );
- dirView->addColumn( "" );
- dirView->header()->hide();
- ::Directory *root = new ::Directory( dirView, "/" );
- root->setOpen( TRUE );
- dirView->setFixedWidth( 150 );
-
- addLeftWidget( dirView );
-
- QPushButton *p = new QPushButton( this );
- p->setPixmap( QPixmap( bookmarks ) );
- QToolTip::add( p, tr( "Bookmarks" ) );
-
- bookmarkMenu = new QPopupMenu( this );
- connect( bookmarkMenu, SIGNAL( activated( int ) ),
- this, SLOT( bookmarkChosen( int ) ) );
- addId = bookmarkMenu->insertItem( tr( "Add bookmark" ) );
- bookmarkMenu->insertSeparator();
-
- QFile f( ".bookmarks" );
- if ( f.open( IO_ReadOnly ) ) {
- QDataStream ds( &f );
- ds >> bookmarkList;
- f.close();
-
- QStringList::Iterator it = bookmarkList.begin();
- for ( ; it != bookmarkList.end(); ++it ) {
- bookmarkMenu->insertItem( *it );
- }
- }
-
- p->setPopup( bookmarkMenu );
-
- addToolButton( p, TRUE );
-
- connect( dirView, SIGNAL( folderSelected( const QString & ) ),
- this, SLOT( setDir2( const QString & ) ) );
- connect( this, SIGNAL( dirEntered( const QString & ) ),
- dirView, SLOT( setDir( const QString & ) ) );
-
- QToolButton *b = new QToolButton( this );
- QToolTip::add( b, tr( "Go Home!" ) );
- b->setPixmap( QPixmap( home ) );
- connect( b, SIGNAL( clicked() ),
- this, SLOT( goHome() ) );
-
- addToolButton( b );
-
- resize( width() + width() / 3, height() );
- }
-
- CustomFileDialog::~CustomFileDialog()
- {
- if ( !bookmarkList.isEmpty() ) {
- QFile f( ".bookmarks" );
- if ( f.open( IO_WriteOnly ) ) {
- QDataStream ds( &f );
- ds << bookmarkList;
- f.close();
- }
- }
- }
-
- void CustomFileDialog::setDir2( const QString &s )
- {
- blockSignals( TRUE );
- setDir( s );
- blockSignals( FALSE );
- }
-
- void CustomFileDialog::showEvent( QShowEvent *e )
- {
- QFileDialog::showEvent( e );
- dirView->setDir( dirPath() );
- }
-
- void CustomFileDialog::bookmarkChosen( int i )
- {
- if ( i == addId ) {
- bookmarkList << dirPath();
- bookmarkMenu->insertItem( dirPath() );
- } else {
- setDir( bookmarkMenu->text( i ) );
- }
- }
-
- void CustomFileDialog::goHome()
- {
- if ( getenv( "HOME" ) )
- setDir( getenv( "HOME" ) );
- else
- setDir( "/" );
- }
-
- // ****************************************************************************************************
-
- int main( int argc, char ** argv )
- {
- QFileDialog::Mode mode = QFileDialog::ExistingFile;
- QString start;
- QString filter;
- QString caption;
- bool preview = FALSE;
- bool custom = FALSE;
- QApplication a( argc, argv );
- for (int i=1; i<argc; i++) {
- QString arg = argv[i];
- if ( arg == "-any" )
- mode = QFileDialog::AnyFile;
- else if ( arg == "-dir" )
- mode = QFileDialog::Directory;
- else if ( arg == "-default" )
- start = argv[++i];
- else if ( arg == "-filter" )
- filter = argv[++i];
- else if ( arg == "-preview" )
- preview = TRUE;
- else if ( arg == "-custom" )
- custom = TRUE;
- else if ( arg[0] == '-' ) {
- qDebug("Usage: qdir [-any | -dir | -custom] [-preview] [-default f] {-filter f} [caption ...]\n"
- " -any Get any filename, need not exist.\n"
- " -dir Return a directory rather than a file.\n"
- " -custom Opens a customized QFileDialog with \n"
- " dir browser, bookmark menu, etc.\n"
- " -preview Show a preview widget.\n"
- " -default f Start from directory/file f.\n"
- " -filter f eg. '*.gif' '*.bmp'\n"
- " caption ... Caption for dialog.\n"
- );
- return 1;
- } else {
- if ( !caption.isNull() )
- caption += ' ';
- caption += arg;
- }
- }
-
- if ( !start )
- start = QDir::currentDirPath();
-
- if ( !caption )
- caption = mode == QFileDialog::Directory
- ? "Choose directory..." : "Choose file...";
-
- if ( !custom ) {
- QFileDialog fd( QString::null, filter, 0, 0, TRUE );
- fd.setMode( mode );
- if ( preview ) {
- fd.setContentsPreviewEnabled( TRUE );
- PreviewWidget *pw = new PreviewWidget( &fd );
- fd.setContentsPreview( pw, pw );
- fd.setViewMode( QFileDialog::List );
- fd.setPreviewMode( QFileDialog::Contents );
- }
- fd.setCaption( caption );
- fd.setSelection( start );
- if ( fd.exec() == QDialog::Accepted ) {
- QString result = fd.selectedFile();
- printf("%s\n", (const char*)result);
- return 0;
- } else {
- return 1;
- }
- } else {
- CustomFileDialog fd;
- fd.exec();
- return 1;
- }
- }
-