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tqt3/doc/html/qdir-example.html

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<title>TQDir</title>
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<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 &lt;<a href="qapplication-h.html">ntqapplication.h</a>&gt;
#include &lt;<a href="qtextview-h.html">ntqtextview.h</a>&gt;
#include &lt;<a href="qfileinfo-h.html">ntqfileinfo.h</a>&gt;
#include &lt;<a href="qfile-h.html">ntqfile.h</a>&gt;
#include &lt;<a href="qtextstream-h.html">ntqtextstream.h</a>&gt;
#include &lt;<a href="qhbox-h.html">ntqhbox.h</a>&gt;
#include &lt;<a href="qspinbox-h.html">ntqspinbox.h</a>&gt;
#include &lt;<a href="qlabel-h.html">ntqlabel.h</a>&gt;
#include &lt;<a href="qmultilineedit-h.html">ntqmultilineedit.h</a>&gt;
#include &lt;<a href="qheader-h.html">ntqheader.h</a>&gt;
#include &lt;<a href="qevent-h.html">ntqevent.h</a>&gt;
#include &lt;<a href="qpainter-h.html">ntqpainter.h</a>&gt;
#include &lt;<a href="qpopupmenu-h.html">ntqpopupmenu.h</a>&gt;
#include &lt;<a href="qpushbutton-h.html">ntqpushbutton.h</a>&gt;
#include &lt;<a href="qtoolbutton-h.html">ntqtoolbutton.h</a>&gt;
#include &lt;<a href="qfile-h.html">ntqfile.h</a>&gt;
#include &lt;<a href="qtextstream-h.html">ntqtextstream.h</a>&gt;
#include &lt;<a href="qtooltip-h.html">ntqtooltip.h</a>&gt;
#include &lt;stdlib.h&gt;
/* 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>()-&gt;setBackgroundMode( PaletteBase );
}
void <a name="f496"></a>PixmapView::setPixmap( const <a href="ntqpixmap.html">TQPixmap</a> &amp;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>()-&gt;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-&gt;<a href="ntqpainter.html#fillRect">fillRect</a>( cx, cy, cw, ch, colorGroup().brush( TQColorGroup::Base ) );
<a name="x1832"></a> p-&gt;<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-&gt;<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> &amp;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>() &amp;&amp; (int)fi.<a href="ntqfileinfo.html#size">size</a>() &gt; size * 1000 ) {
<a name="x1846"></a> normalText-&gt;<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( &amp;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-&gt;<a href="ntqtextedit.html#mimeSourceFactory">mimeSourceFactory</a>()-&gt;makeAbsolute( path, html-&gt;<a href="ntqtextedit.html#context">context</a>() );
html-&gt;<a href="ntqtextedit.html#setText">setText</a>( text, url );
raiseWidget( html );
return;
} else {
normalText-&gt;<a href="ntqtextedit.html#setText">setText</a>( text );
raiseWidget( normalText );
return;
}
}
}
normalText-&gt;<a href="ntqtextedit.html#setText">setText</a>( <a href="ntqstring.html#TQString-null">TQString::null</a> );
raiseWidget( normalText );
} else {
pixmap-&gt;setPixmap( pix );
raiseWidget( pixmap );
}
} else {
normalText-&gt;<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-&gt;<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-&gt;<a href="ntqspinbox.html#setSuffix">setSuffix</a>( " KB" );
<a name="x1839"></a> sizeSpinBox-&gt;<a href="ntqspinbox.html#setValue">setValue</a>( 64 );
<a name="x1852"></a><a name="x1840"></a> row-&gt;<a href="ntqwidget.html#setFixedHeight">setFixedHeight</a>( 10 + sizeSpinBox-&gt;<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> &amp;u )
{
<a name="x1841"></a> preview-&gt;showPreview( u, sizeSpinBox-&gt;<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-&gt;<a href="ntqlistview.html#addColumn">addColumn</a>( "" );
<a name="x1828"></a> dirView-&gt;<a href="ntqlistview.html#header">header</a>()-&gt;hide();
::Directory *root = new ::Directory( dirView, "/" );
root-&gt;setOpen( TRUE );
<a name="x1853"></a> dirView-&gt;<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-&gt;<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, TQ_SIGNAL( <a href="ntqpopupmenu.html#activated">activated</a>( int ) ),
this, TQ_SLOT( bookmarkChosen( int ) ) );
addId = bookmarkMenu-&gt;<a href="ntqmenudata.html#insertItem">insertItem</a>( <a href="ntqobject.html#tr">tr</a>( "Add bookmark" ) );
bookmarkMenu-&gt;<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( &amp;f );
ds &gt;&gt; bookmarkList;
f.<a href="ntqfile.html#close">close</a>();
TQStringList::Iterator it = bookmarkList.begin();
for ( ; it != bookmarkList.end(); ++it ) {
bookmarkMenu-&gt;<a href="ntqmenudata.html#insertItem">insertItem</a>( *it );
}
}
<a name="x1836"></a> p-&gt;<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, TQ_SIGNAL( folderSelected( const <a href="ntqstring.html">TQString</a> &amp; ) ),
this, TQ_SLOT( setDir2( const <a href="ntqstring.html">TQString</a> &amp; ) ) );
<a href="ntqobject.html#connect">connect</a>( this, TQ_SIGNAL( <a href="ntqfiledialog.html#dirEntered">dirEntered</a>( const <a href="ntqstring.html">TQString</a> &amp; ) ),
dirView, TQ_SLOT( <a href="ntqfiledialog.html#setDir">setDir</a>( const <a href="ntqstring.html">TQString</a> &amp; ) ) );
<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-&gt;<a href="ntqbutton.html#setPixmap">setPixmap</a>( TQPixmap( home ) );
<a href="ntqobject.html#connect">connect</a>( b, TQ_SIGNAL( <a href="ntqbutton.html#clicked">clicked</a>() ),
this, TQ_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( &amp;f );
ds &lt;&lt; bookmarkList;
f.<a href="ntqfile.html#close">close</a>();
}
}
}
void <a name="f492"></a>CustomFileDialog::setDir2( const <a href="ntqstring.html">TQString</a> &amp;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-&gt;setDir( <a href="ntqfiledialog.html#dirPath">dirPath</a>() );
}
void <a name="f493"></a>CustomFileDialog::bookmarkChosen( int i )
{
if ( i == addId ) {
bookmarkList &lt;&lt; dirPath();
bookmarkMenu-&gt;<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-&gt;<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&lt;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">tqDebug</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( &amp;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 -->
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<table width=100% cellspacing=0 border=0><tr>
<td>Copyright &copy; 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>
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