<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/examples/qdir/qdir.doc:4 --> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <title>TQDir</title> <style type="text/css"><!-- fn { margin-left: 1cm; text-indent: -1cm; } a:link { color: #004faf; text-decoration: none } a:visited { color: #672967; text-decoration: none } body { background: #ffffff; color: black; } --></style> </head> <body> <table border="0" cellpadding="0" cellspacing="0" width="100%"> <tr bgcolor="#E5E5E5"> <td valign=center> <a href="index.html"> <font color="#004faf">Home</font></a> | <a href="classes.html"> <font color="#004faf">All Classes</font></a> | <a href="mainclasses.html"> <font color="#004faf">Main Classes</font></a> | <a href="annotated.html"> <font color="#004faf">Annotated</font></a> | <a href="groups.html"> <font color="#004faf">Grouped Classes</font></a> | <a href="functions.html"> <font color="#004faf">Functions</font></a> </td> <td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>TQDir</h1> <p> <hr> <p> Main: <p> <pre>/**************************************************************************** ** $Id: qt/qdir.cpp 3.3.8 edited Jan 11 14:37 $ ** ** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved. ** ** This file is part of an example program for TQt. This example ** program may be used, distributed and modified without limitation. ** *****************************************************************************/ #include "../dirview/dirview.h" #include "ntqdir.h" #include <<a href="qapplication-h.html">ntqapplication.h</a>> #include <<a href="qtextview-h.html">ntqtextview.h</a>> #include <<a href="qfileinfo-h.html">ntqfileinfo.h</a>> #include <<a href="qfile-h.html">ntqfile.h</a>> #include <<a href="qtextstream-h.html">ntqtextstream.h</a>> #include <<a href="qhbox-h.html">ntqhbox.h</a>> #include <<a href="qspinbox-h.html">ntqspinbox.h</a>> #include <<a href="qlabel-h.html">ntqlabel.h</a>> #include <<a href="qmultilineedit-h.html">ntqmultilineedit.h</a>> #include <<a href="qheader-h.html">ntqheader.h</a>> #include <<a href="qevent-h.html">ntqevent.h</a>> #include <<a href="qpainter-h.html">ntqpainter.h</a>> #include <<a href="qpopupmenu-h.html">ntqpopupmenu.h</a>> #include <<a href="qpushbutton-h.html">ntqpushbutton.h</a>> #include <<a href="qtoolbutton-h.html">ntqtoolbutton.h</a>> #include <<a href="qfile-h.html">ntqfile.h</a>> #include <<a href="qtextstream-h.html">ntqtextstream.h</a>> #include <<a href="qtooltip-h.html">ntqtooltip.h</a>> #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#..", "..#####.######.." }; // **************************************************************************************************** <a name="f495"></a>PixmapView::PixmapView( <a href="ntqwidget.html">TQWidget</a> *parent ) : <a href="ntqscrollview.html">TQScrollView</a>( parent ) { <a href="ntqscrollview.html#viewport">viewport</a>()->setBackgroundMode( PaletteBase ); } void <a name="f496"></a>PixmapView::setPixmap( const <a href="ntqpixmap.html">TQPixmap</a> &pix ) { pixmap = pix; <a name="x1855"></a> <a href="ntqscrollview.html#resizeContents">resizeContents</a>( pixmap.<a href="ntqwidget.html#size">size</a>().width(), pixmap.<a href="ntqwidget.html#size">size</a>().height() ); <a href="ntqscrollview.html#viewport">viewport</a>()->repaint( FALSE ); } <a name="x1837"></a>void PixmapView::<a href="ntqscrollview.html#drawContents">drawContents</a>( <a href="ntqpainter.html">TQPainter</a> *p, int cx, int cy, int cw, int ch ) { <a name="x1833"></a> p-><a href="ntqpainter.html#fillRect">fillRect</a>( cx, cy, cw, ch, colorGroup().brush( TQColorGroup::Base ) ); <a name="x1832"></a> p-><a href="ntqpainter.html#drawPixmap">drawPixmap</a>( 0, 0, pixmap ); } // **************************************************************************************************** <a name="f497"></a>Preview::Preview( <a href="ntqwidget.html">TQWidget</a> *parent ) : <a href="ntqwidgetstack.html">TQWidgetStack</a>( parent ) { normalText = new <a href="ntqmultilineedit.html">TQMultiLineEdit</a>( this ); <a name="x1845"></a> normalText-><a href="ntqtextedit.html#setReadOnly">setReadOnly</a>( TRUE ); html = new <a href="ntqtextview.html">TQTextView</a>( this ); pixmap = new PixmapView( this ); <a href="ntqwidgetstack.html#raiseWidget">raiseWidget</a>( normalText ); } void <a name="f498"></a>Preview::showPreview( const <a href="ntqurl.html">TQUrl</a> &u, int size ) { <a name="x1849"></a> if ( u.<a href="ntqurl.html#isLocalFile">isLocalFile</a>() ) { <a name="x1850"></a> <a href="ntqstring.html">TQString</a> path = u.<a href="ntqurl.html#path">path</a>(); <a href="ntqfileinfo.html">TQFileInfo</a> fi( path ); <a name="x1825"></a><a name="x1824"></a> if ( fi.<a href="ntqfileinfo.html#isFile">isFile</a>() && (int)fi.<a href="ntqfileinfo.html#size">size</a>() > size * 1000 ) { <a name="x1846"></a> normalText-><a href="ntqtextedit.html#setText">setText</a>( <a href="ntqobject.html#tr">tr</a>( "The File\n%1\nis too large, so I don't show it!" ).arg( path ) ); <a href="ntqwidgetstack.html#raiseWidget">raiseWidget</a>( normalText ); return; } <a href="ntqpixmap.html">TQPixmap</a> pix( path ); <a name="x1834"></a> if ( pix.<a href="ntqpixmap.html#isNull">isNull</a>() ) { if ( fi.<a href="ntqfileinfo.html#isFile">isFile</a>() ) { <a href="ntqfile.html">TQFile</a> f( path ); <a name="x1815"></a> if ( f.<a href="ntqfile.html#open">open</a>( <a href="ntqfile.html#open">IO_ReadOnly</a> ) ) { <a href="ntqtextstream.html">TQTextStream</a> ts( &f ); <a name="x1847"></a> <a href="ntqstring.html">TQString</a> text = ts.<a href="ntqtextstream.html#read">read</a>(); <a name="x1814"></a> f.<a href="ntqfile.html#close">close</a>(); <a name="x1823"></a> if ( fi.<a href="ntqfileinfo.html#extension">extension</a>().lower().contains( "htm" ) ) { <a name="x1844"></a><a name="x1843"></a> <a href="ntqstring.html">TQString</a> url = html-><a href="ntqtextedit.html#mimeSourceFactory">mimeSourceFactory</a>()->makeAbsolute( path, html-><a href="ntqtextedit.html#context">context</a>() ); html-><a href="ntqtextedit.html#setText">setText</a>( text, url ); raiseWidget( html ); return; } else { normalText-><a href="ntqtextedit.html#setText">setText</a>( text ); raiseWidget( normalText ); return; } } } normalText-><a href="ntqtextedit.html#setText">setText</a>( <a href="ntqstring.html#TQString-null">TQString::null</a> ); raiseWidget( normalText ); } else { pixmap->setPixmap( pix ); raiseWidget( pixmap ); } } else { normalText-><a href="ntqtextedit.html#setText">setText</a>( "I only show local files!" ); raiseWidget( normalText ); } } // **************************************************************************************************** <a name="f499"></a>PreviewWidget::PreviewWidget( <a href="ntqwidget.html">TQWidget</a> *parent ) : <a href="ntqvbox.html">TQVBox</a>( parent ), TQFilePreview() { setSpacing( 5 ); setMargin( 5 ); <a href="ntqhbox.html">TQHBox</a> *row = new <a href="ntqhbox.html">TQHBox</a>( this ); <a name="x1826"></a> row-><a href="ntqhbox.html#setSpacing">setSpacing</a>( 5 ); (void)new <a href="ntqlabel.html">TQLabel</a>( <a href="ntqobject.html#tr">tr</a>( "Only show files smaller than: " ), row ); sizeSpinBox = new <a href="ntqspinbox.html">TQSpinBox</a>( 1, 10000, 1, row ); <a name="x1838"></a> sizeSpinBox-><a href="ntqspinbox.html#setSuffix">setSuffix</a>( " KB" ); <a name="x1839"></a> sizeSpinBox-><a href="ntqspinbox.html#setValue">setValue</a>( 64 ); <a name="x1852"></a><a name="x1840"></a> row-><a href="ntqwidget.html#setFixedHeight">setFixedHeight</a>( 10 + sizeSpinBox-><a href="ntqwidget.html#sizeHint">sizeHint</a>().height() ); preview = new Preview( this ); } void <a name="f500"></a>PreviewWidget::previewUrl( const <a href="ntqurl.html">TQUrl</a> &u ) { <a name="x1841"></a> preview->showPreview( u, sizeSpinBox-><a href="ntqspinbox.html#value">value</a>() ); } // **************************************************************************************************** <a name="f491"></a>CustomFileDialog::CustomFileDialog() : <a href="ntqfiledialog.html">TQFileDialog</a>( 0, 0, TRUE ) { <a href="ntqfiledialog.html#setDir">setDir</a>( "/" ); dirView = new DirectoryView( this, 0, TRUE ); <a name="x1827"></a> dirView-><a href="ntqlistview.html#addColumn">addColumn</a>( "" ); <a name="x1828"></a> dirView-><a href="ntqlistview.html#header">header</a>()->hide(); ::Directory *root = new ::Directory( dirView, "/" ); root->setOpen( TRUE ); <a name="x1853"></a> dirView-><a href="ntqwidget.html#setFixedWidth">setFixedWidth</a>( 150 ); <a href="ntqfiledialog.html#addLeftWidget">addLeftWidget</a>( dirView ); <a href="ntqpushbutton.html">TQPushButton</a> *p = new <a href="ntqpushbutton.html">TQPushButton</a>( this ); <a name="x1811"></a> p-><a href="ntqbutton.html#setPixmap">setPixmap</a>( TQPixmap( bookmarks ) ); <a name="x1848"></a> TQToolTip::<a href="ntqtooltip.html#add">add</a>( p, tr( "Bookmarks" ) ); bookmarkMenu = new <a href="ntqpopupmenu.html">TQPopupMenu</a>( this ); <a name="x1835"></a> <a href="ntqobject.html#connect">connect</a>( bookmarkMenu, SIGNAL( <a href="ntqpopupmenu.html#activated">activated</a>( int ) ), this, SLOT( bookmarkChosen( int ) ) ); addId = bookmarkMenu-><a href="ntqmenudata.html#insertItem">insertItem</a>( <a href="ntqobject.html#tr">tr</a>( "Add bookmark" ) ); bookmarkMenu-><a href="ntqmenudata.html#insertSeparator">insertSeparator</a>(); <a href="ntqfile.html">TQFile</a> f( ".bookmarks" ); if ( f.<a href="ntqfile.html#open">open</a>( IO_ReadOnly ) ) { <a href="ntqdatastream.html">TQDataStream</a> ds( &f ); ds >> bookmarkList; f.<a href="ntqfile.html#close">close</a>(); TQStringList::Iterator it = bookmarkList.begin(); for ( ; it != bookmarkList.end(); ++it ) { bookmarkMenu-><a href="ntqmenudata.html#insertItem">insertItem</a>( *it ); } } <a name="x1836"></a> p-><a href="ntqpushbutton.html#setPopup">setPopup</a>( bookmarkMenu ); <a href="ntqfiledialog.html#addToolButton">addToolButton</a>( p, TRUE ); <a href="ntqobject.html#connect">connect</a>( dirView, SIGNAL( folderSelected( const <a href="ntqstring.html">TQString</a> & ) ), this, SLOT( setDir2( const <a href="ntqstring.html">TQString</a> & ) ) ); <a href="ntqobject.html#connect">connect</a>( this, SIGNAL( <a href="ntqfiledialog.html#dirEntered">dirEntered</a>( const <a href="ntqstring.html">TQString</a> & ) ), dirView, SLOT( <a href="ntqfiledialog.html#setDir">setDir</a>( const <a href="ntqstring.html">TQString</a> & ) ) ); <a href="ntqtoolbutton.html">TQToolButton</a> *b = new <a href="ntqtoolbutton.html">TQToolButton</a>( this ); TQToolTip::<a href="ntqtooltip.html#add">add</a>( b, tr( "Go Home!" ) ); b-><a href="ntqbutton.html#setPixmap">setPixmap</a>( TQPixmap( home ) ); <a href="ntqobject.html#connect">connect</a>( b, SIGNAL( <a href="ntqbutton.html#clicked">clicked</a>() ), this, SLOT( goHome() ) ); <a href="ntqfiledialog.html#addToolButton">addToolButton</a>( b ); <a href="ntqwidget.html#resize">resize</a>( <a href="ntqwidget.html#width">width</a>() + width() / 3, height() ); } CustomFileDialog::~CustomFileDialog() { if ( !bookmarkList.isEmpty() ) { <a href="ntqfile.html">TQFile</a> f( ".bookmarks" ); if ( f.<a href="ntqfile.html#open">open</a>( <a href="ntqfile.html#open">IO_WriteOnly</a> ) ) { <a href="ntqdatastream.html">TQDataStream</a> ds( &f ); ds << bookmarkList; f.<a href="ntqfile.html#close">close</a>(); } } } void <a name="f492"></a>CustomFileDialog::setDir2( const <a href="ntqstring.html">TQString</a> &s ) { <a href="ntqobject.html#blockSignals">blockSignals</a>( TRUE ); <a href="ntqfiledialog.html#setDir">setDir</a>( s ); <a href="ntqobject.html#blockSignals">blockSignals</a>( FALSE ); } <a name="x1854"></a>void CustomFileDialog::<a href="ntqwidget.html#showEvent">showEvent</a>( <a href="qshowevent.html">TQShowEvent</a> *e ) { TQFileDialog::<a href="ntqwidget.html#showEvent">showEvent</a>( e ); dirView->setDir( <a href="ntqfiledialog.html#dirPath">dirPath</a>() ); } void <a name="f493"></a>CustomFileDialog::bookmarkChosen( int i ) { if ( i == addId ) { bookmarkList << dirPath(); bookmarkMenu-><a href="ntqmenudata.html#insertItem">insertItem</a>( <a href="ntqfiledialog.html#dirPath">dirPath</a>() ); } else { <a name="x1831"></a> <a href="ntqfiledialog.html#setDir">setDir</a>( bookmarkMenu-><a href="ntqmenudata.html#text">text</a>( i ) ); } } void <a name="f494"></a>CustomFileDialog::goHome() { if ( getenv( "HOME" ) ) <a href="ntqfiledialog.html#setDir">setDir</a>( getenv( "HOME" ) ); else <a href="ntqfiledialog.html#setDir">setDir</a>( "/" ); } // **************************************************************************************************** int main( int argc, char ** argv ) { TQFileDialog::Mode mode = TQFileDialog::ExistingFile; <a href="ntqstring.html">TQString</a> start; <a href="ntqstring.html">TQString</a> filter; <a href="ntqstring.html">TQString</a> caption; bool preview = FALSE; bool custom = FALSE; <a href="ntqapplication.html">TQApplication</a> a( argc, argv ); for (int i=1; i<argc; i++) { <a href="ntqstring.html">TQString</a> arg = argv[i]; if ( arg == "-any" ) mode = TQFileDialog::AnyFile; else if ( arg == "-dir" ) mode = TQFileDialog::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] == '-' ) { <a href="ntqapplication.html#qDebug">qDebug</a>("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 TQFileDialog 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 { <a name="x1842"></a> if ( !caption.<a href="ntqstring.html#isNull">isNull</a>() ) caption += ' '; caption += arg; } } if ( !start ) <a name="x1813"></a> start = TQDir::<a href="ntqdir.html#currentDirPath">currentDirPath</a>(); if ( !caption ) caption = mode == TQFileDialog::Directory ? "Choose directory..." : "Choose file..."; if ( !custom ) { <a href="ntqfiledialog.html">TQFileDialog</a> fd( TQString::null, filter, 0, 0, TRUE ); <a name="x1819"></a> fd.<a href="ntqfiledialog.html#setMode">setMode</a>( mode ); if ( preview ) { <a name="x1818"></a> fd.<a href="ntqfiledialog.html#setContentsPreviewEnabled">setContentsPreviewEnabled</a>( TRUE ); PreviewWidget *pw = new PreviewWidget( &fd ); <a name="x1817"></a> fd.<a href="ntqfiledialog.html#setContentsPreview">setContentsPreview</a>( pw, pw ); <a name="x1822"></a> fd.<a href="ntqfiledialog.html#setViewMode">setViewMode</a>( TQFileDialog::List ); <a name="x1820"></a> fd.<a href="ntqfiledialog.html#setPreviewMode">setPreviewMode</a>( TQFileDialog::Contents ); } fd.<a href="ntqwidget.html#setCaption">setCaption</a>( caption ); <a name="x1821"></a> fd.<a href="ntqfiledialog.html#setSelection">setSelection</a>( start ); <a name="x1812"></a> if ( fd.<a href="ntqdialog.html#exec">exec</a>() == TQDialog::Accepted ) { <a name="x1816"></a> <a href="ntqstring.html">TQString</a> result = fd.<a href="ntqfiledialog.html#selectedFile">selectedFile</a>(); printf("%s\n", (const char*)result); return 0; } else { return 1; } } else { CustomFileDialog fd; fd.<a href="ntqdialog.html#exec">exec</a>(); return 1; } } </pre> <p>See also <a href="examples.html">Examples</a>. <!-- eof --> <p><address><hr><div align=center> <table width=100% cellspacing=0 border=0><tr> <td>Copyright © 2007 <a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a> <td align=right><div align=right>TQt 3.3.8</div> </table></div></address></body> </html>