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diff --git a/doc/html/dirview-example.html b/doc/html/dirview-example.html new file mode 100644 index 0000000..4bd87d4 --- /dev/null +++ b/doc/html/dirview-example.html @@ -0,0 +1,751 @@ +<!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/dirview/dirview.doc:5 --> +<html> +<head> +<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> +<title>A Directory Browser</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>A Directory Browser</h1> + + +<p> +This example program demonstrates how to use a listview and +listview items to build a multi-column hierarchical, memory- and +CPU-efficient directory browser. It also demonstrates how to use +Drag&Drop in a listview. +<p> <hr> +<p> Header file: +<p> <pre>/**************************************************************************** +** $Id: qt/dirview.h 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 Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#ifndef DIRVIEW_H +#define DIRVIEW_H + +#include <<a href="qlistview-h.html">qlistview.h</a>> +#include <<a href="qstring-h.html">qstring.h</a>> +#include <<a href="qfile-h.html">qfile.h</a>> +#include <<a href="qfileinfo-h.html">qfileinfo.h</a>> +#include <<a href="qtimer-h.html">qtimer.h</a>> + +class QWidget; +class QDragEnterEvent; +class QDragMoveEvent; +class QDragLeaveEvent; +class QDropEvent; + +class FileItem : public <a href="qlistviewitem.html">QListViewItem</a> +{ +public: + FileItem( <a href="qlistviewitem.html">QListViewItem</a> *parent, const <a href="qstring.html">QString</a> &s1, const <a href="qstring.html">QString</a> &s2 ) + : <a href="qlistviewitem.html">QListViewItem</a>( parent, s1, s2 ), pix( 0 ) {} + + const <a href="qpixmap.html">QPixmap</a> *pixmap( int i ) const; +#if !defined(Q_NO_USING_KEYWORD) + using QListViewItem::setPixmap; +#endif + void setPixmap( <a href="qpixmap.html">QPixmap</a> *p ); + +private: + <a href="qpixmap.html">QPixmap</a> *pix; + +}; + +class Directory : public <a href="qlistviewitem.html">QListViewItem</a> +{ +public: + Directory( <a href="qlistview.html">QListView</a> * parent, const <a href="qstring.html">QString</a>& filename ); + Directory( Directory * parent, const <a href="qstring.html">QString</a>& filename, const <a href="qstring.html">QString</a> &col2 ) + : <a href="qlistviewitem.html">QListViewItem</a>( parent, filename, col2 ), pix( 0 ) {} + Directory( Directory * parent, const <a href="qstring.html">QString</a>& filename ); + + <a href="qstring.html">QString</a> text( int column ) const; + + <a href="qstring.html">QString</a> fullName(); + + void setOpen( bool ); + void setup(); + + const <a href="qpixmap.html">QPixmap</a> *pixmap( int i ) const; +#if !defined(Q_NO_USING_KEYWORD) + using QListViewItem::setPixmap; +#endif + void setPixmap( <a href="qpixmap.html">QPixmap</a> *p ); + +private: + <a href="qfile.html">QFile</a> f; + Directory * p; + bool readable; + bool showDirsOnly; + <a href="qpixmap.html">QPixmap</a> *pix; + +}; + +class DirectoryView : public <a href="qlistview.html">QListView</a> +{ + <a href="metaobjects.html#Q_OBJECT">Q_OBJECT</a> + +public: + DirectoryView( <a href="qwidget.html">QWidget</a> *parent = 0, const char *name = 0, bool sdo = FALSE ); + bool showDirsOnly() { return dirsOnly; } + +public slots: + void setDir( const <a href="qstring.html">QString</a> & ); + +signals: + void folderSelected( const <a href="qstring.html">QString</a> & ); + +protected slots: + void slotFolderSelected( <a href="qlistviewitem.html">QListViewItem</a> * ); + void openFolder(); + +protected: + void contentsDragEnterEvent( <a href="qdragenterevent.html">QDragEnterEvent</a> *e ); + void contentsDragMoveEvent( <a href="qdragmoveevent.html">QDragMoveEvent</a> *e ); + void contentsDragLeaveEvent( <a href="qdragleaveevent.html">QDragLeaveEvent</a> *e ); + void contentsDropEvent( <a href="qdropevent.html">QDropEvent</a> *e ); + void contentsMouseMoveEvent( <a href="qmouseevent.html">QMouseEvent</a> *e ); + void contentsMousePressEvent( <a href="qmouseevent.html">QMouseEvent</a> *e ); + void contentsMouseReleaseEvent( <a href="qmouseevent.html">QMouseEvent</a> *e ); + +private: + <a href="qstring.html">QString</a> fullPath(QListViewItem* item); + bool dirsOnly; + <a href="qlistviewitem.html">QListViewItem</a> *oldCurrent; + <a href="qlistviewitem.html">QListViewItem</a> *dropItem; + <a href="qtimer.html">QTimer</a>* autoopen_timer; + <a href="qpoint.html">QPoint</a> presspos; + bool mousePressed; + +}; + +#endif +</pre> + +<p> <hr> +<p> And here is the main implementation file. Note the way the program +scans subdirectories only when it has to. This allows the program +to handle very large file systems efficiently. The same technique +can be used in any other trees. +<p> <pre>/**************************************************************************** +** $Id: qt/dirview.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 Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#include "dirview.h" + +#include <<a href="qdir-h.html">qdir.h</a>> +#include <<a href="qfile-h.html">qfile.h</a>> +#include <<a href="qfileinfo-h.html">qfileinfo.h</a>> +#include <<a href="qpixmap-h.html">qpixmap.h</a>> +#include <<a href="qevent-h.html">qevent.h</a>> +#include <<a href="qpoint-h.html">qpoint.h</a>> +#include <<a href="qmessagebox-h.html">qmessagebox.h</a>> +#include <<a href="qdragobject-h.html">qdragobject.h</a>> +#include <<a href="qmime-h.html">qmime.h</a>> +#include <<a href="qstrlist-h.html">qstrlist.h</a>> +#include <<a href="qstringlist-h.html">qstringlist.h</a>> +#include <<a href="qapplication-h.html">qapplication.h</a>> +#include <<a href="qheader-h.html">qheader.h</a>> + +static const char* folder_closed_xpm[]={ + "16 16 9 1", + "g c #808080", + "b c #c0c000", + "e c #c0c0c0", + "# c #000000", + "c c #ffff00", + ". c None", + "a c #585858", + "f c #a0a0a4", + "d c #ffffff", + "..###...........", + ".#abc##.........", + ".#daabc#####....", + ".#ddeaabbccc#...", + ".#dedeeabbbba...", + ".#edeeeeaaaab#..", + ".#deeeeeeefe#ba.", + ".#eeeeeeefef#ba.", + ".#eeeeeefeff#ba.", + ".#eeeeefefff#ba.", + ".##geefeffff#ba.", + "...##gefffff#ba.", + ".....##fffff#ba.", + ".......##fff#b##", + ".........##f#b##", + "...........####."}; + +static const char* folder_open_xpm[]={ + "16 16 11 1", + "# c #000000", + "g c #c0c0c0", + "e c #303030", + "a c #ffa858", + "b c #808080", + "d c #a0a0a4", + "f c #585858", + "c c #ffdca8", + "h c #dcdcdc", + "i c #ffffff", + ". c None", + "....###.........", + "....#ab##.......", + "....#acab####...", + "###.#acccccca#..", + "#ddefaaaccccca#.", + "#bdddbaaaacccab#", + ".eddddbbaaaacab#", + ".#bddggdbbaaaab#", + "..edgdggggbbaab#", + "..#bgggghghdaab#", + "...ebhggghicfab#", + "....#edhhiiidab#", + "......#egiiicfb#", + "........#egiibb#", + "..........#egib#", + "............#ee#"}; + +static const char * folder_locked[]={ + "16 16 10 1", + "h c #808080", + "b c #ffa858", + "f c #c0c0c0", + "e c #c05800", + "# c #000000", + "c c #ffdca8", + ". c None", + "a c #585858", + "g c #a0a0a4", + "d c #ffffff", + "..#a#...........", + ".#abc####.......", + ".#daa#eee#......", + ".#ddf#e##b#.....", + ".#dfd#e#bcb##...", + ".#fdccc#daaab#..", + ".#dfbbbccgfg#ba.", + ".#ffb#ebbfgg#ba.", + ".#ffbbe#bggg#ba.", + ".#fffbbebggg#ba.", + ".##hf#ebbggg#ba.", + "...###e#gggg#ba.", + ".....#e#gggg#ba.", + "......###ggg#b##", + ".........##g#b##", + "...........####."}; + +static const char * pix_file []={ + "16 16 7 1", + "# c #000000", + "b c #ffffff", + "e c #000000", + "d c #404000", + "c c #c0c000", + "a c #ffffc0", + ". c None", + "................", + ".........#......", + "......#.#a##....", + ".....#b#bbba##..", + "....#b#bbbabbb#.", + "...#b#bba##bb#..", + "..#b#abb#bb##...", + ".#a#aab#bbbab##.", + "#a#aaa#bcbbbbbb#", + "#ccdc#bcbbcbbb#.", + ".##c#bcbbcabb#..", + "...#acbacbbbe...", + "..#aaaacaba#....", + "...##aaaaa#.....", + ".....##aa#......", + ".......##......."}; + +QPixmap *folderLocked = 0; +QPixmap *folderClosed = 0; +QPixmap *folderOpen = 0; +QPixmap *fileNormal = 0; + +/***************************************************************************** + * + * Class Directory + * + *****************************************************************************/ + +<a name="f476"></a>Directory::Directory( Directory * parent, const <a href="qstring.html">QString</a>& filename ) + : <a href="qlistviewitem.html">QListViewItem</a>( parent ), f(filename), + showDirsOnly( parent->showDirsOnly ), + pix( 0 ) +{ + p = parent; + readable = QDir( fullName() ).isReadable(); + + if ( !readable ) + <a href="qlistviewitem.html#setPixmap">setPixmap</a>( folderLocked ); + else + <a href="qlistviewitem.html#setPixmap">setPixmap</a>( folderClosed ); +} + + +Directory::Directory( <a href="qlistview.html">QListView</a> * parent, const <a href="qstring.html">QString</a>& filename ) + : <a href="qlistviewitem.html">QListViewItem</a>( parent ), f(filename), + showDirsOnly( ( (DirectoryView*)parent )->showDirsOnly() ), + pix( 0 ) +{ + p = 0; + readable = QDir( fullName() ).isReadable(); +} + + +<a name="x1691"></a>void Directory::<a href="qlistviewitem.html#setPixmap">setPixmap</a>( <a href="qpixmap.html">QPixmap</a> *px ) +{ + pix = px; + <a href="qlistviewitem.html#setup">setup</a>(); + <a href="qlistviewitem.html#widthChanged">widthChanged</a>( 0 ); + <a href="qlistviewitem.html#invalidateHeight">invalidateHeight</a>(); + <a href="qlistviewitem.html#repaint">repaint</a>(); +} + + +<a name="x1689"></a>const QPixmap *Directory::<a href="qlistviewitem.html#pixmap">pixmap</a>( int i ) const +{ + if ( i ) + return 0; + return pix; +} + +<a name="x1690"></a>void Directory::<a href="qlistviewitem.html#setOpen">setOpen</a>( bool o ) +{ + if ( o ) + <a href="qlistviewitem.html#setPixmap">setPixmap</a>( folderOpen ); + else + <a href="qlistviewitem.html#setPixmap">setPixmap</a>( folderClosed ); + + if ( o && !childCount() ) { + <a href="qstring.html">QString</a> s( fullName() ); + <a href="qdir.html">QDir</a> thisDir( s ); +<a name="x1667"></a> if ( !thisDir.<a href="qdir.html#isReadable">isReadable</a>() ) { + readable = FALSE; + <a href="qlistviewitem.html#setExpandable">setExpandable</a>( FALSE ); + return; + } + + <a href="qlistviewitem.html#listView">listView</a>()->setUpdatesEnabled( FALSE ); +<a name="x1666"></a> const QFileInfoList * files = thisDir.<a href="qdir.html#entryInfoList">entryInfoList</a>(); + if ( files ) { + QFileInfoListIterator it( *files ); + <a href="qfileinfo.html">QFileInfo</a> * fi; +<a name="x1694"></a> while( (fi=it.<a href="qlistviewitemiterator.html#current">current</a>()) != 0 ) { + ++it; +<a name="x1675"></a> if ( fi-><a href="qfileinfo.html#fileName">fileName</a>() == "." || fi-><a href="qfileinfo.html#fileName">fileName</a>() == ".." ) + ; // nothing +<a name="x1678"></a> else if ( fi-><a href="qfileinfo.html#isSymLink">isSymLink</a>() && !showDirsOnly ) { + FileItem *item = new FileItem( this, fi-><a href="qfileinfo.html#fileName">fileName</a>(), + "Symbolic Link" ); + item-><a href="qlistviewitem.html#setPixmap">setPixmap</a>( fileNormal ); + } +<a name="x1676"></a> else if ( fi-><a href="qfileinfo.html#isDir">isDir</a>() ) + (void)new Directory( this, fi-><a href="qfileinfo.html#fileName">fileName</a>() ); + else if ( !showDirsOnly ) { + FileItem *item + = new FileItem( this, fi-><a href="qfileinfo.html#fileName">fileName</a>(), +<a name="x1677"></a> fi-><a href="qfileinfo.html#isFile">isFile</a>()?"File":"Special" ); + item-><a href="qlistviewitem.html#setPixmap">setPixmap</a>( fileNormal ); + } + } + } + listView()->setUpdatesEnabled( TRUE ); + } + QListViewItem::<a href="qlistviewitem.html#setOpen">setOpen</a>( o ); +} + + +<a name="x1692"></a>void Directory::<a href="qlistviewitem.html#setup">setup</a>() +{ + setExpandable( TRUE ); + QListViewItem::<a href="qlistviewitem.html#setup">setup</a>(); +} + + +QString <a name="f477"></a>Directory::fullName() +{ + <a href="qstring.html">QString</a> s; + if ( p ) { + s = p->fullName(); +<a name="x1701"></a> s.<a href="qstring.html#append">append</a>( f.name() ); + s.<a href="qstring.html#append">append</a>( "/" ); + } else { + s = f.name(); + } + return s; +} + + +<a name="x1693"></a>QString Directory::<a href="qlistviewitem.html#text">text</a>( int column ) const +{ + if ( column == 0 ) + return f.name(); + else if ( readable ) + return "Directory"; + else + return "Unreadable Directory"; +} + +/***************************************************************************** + * + * Class DirectoryView + * + *****************************************************************************/ + +<a name="f478"></a>DirectoryView::DirectoryView( <a href="qwidget.html">QWidget</a> *parent, const char *name, bool sdo ) + : <a href="qlistview.html">QListView</a>( parent, name ), dirsOnly( sdo ), oldCurrent( 0 ), + dropItem( 0 ), mousePressed( FALSE ) +{ + autoopen_timer = new <a href="qtimer.html">QTimer</a>( this ); + if ( !folderLocked ) { + folderLocked = new <a href="qpixmap.html">QPixmap</a>( folder_locked ); + folderClosed = new <a href="qpixmap.html">QPixmap</a>( folder_closed_xpm ); + folderOpen = new <a href="qpixmap.html">QPixmap</a>( folder_open_xpm ); + fileNormal = new <a href="qpixmap.html">QPixmap</a>( pix_file ); + } + + <a href="qobject.html#connect">connect</a>( this, SIGNAL( <a href="qlistview.html#doubleClicked">doubleClicked</a>( <a href="qlistviewitem.html">QListViewItem</a> * ) ), + this, SLOT( slotFolderSelected( <a href="qlistviewitem.html">QListViewItem</a> * ) ) ); + <a href="qobject.html#connect">connect</a>( this, SIGNAL( <a href="qlistview.html#returnPressed">returnPressed</a>( <a href="qlistviewitem.html">QListViewItem</a> * ) ), + this, SLOT( slotFolderSelected( <a href="qlistviewitem.html">QListViewItem</a> * ) ) ); + + <a href="qwidget.html#setAcceptDrops">setAcceptDrops</a>( TRUE ); + <a href="qscrollview.html#viewport">viewport</a>()->setAcceptDrops( TRUE ); + +<a name="x1706"></a> <a href="qobject.html#connect">connect</a>( autoopen_timer, SIGNAL( <a href="qtimer.html#timeout">timeout</a>() ), + this, SLOT( openFolder() ) ); +} + +void <a name="f479"></a>DirectoryView::slotFolderSelected( <a href="qlistviewitem.html">QListViewItem</a> *i ) +{ + if ( !i || !showDirsOnly() ) + return; + + Directory *dir = (Directory*)i; + emit folderSelected( dir->fullName() ); +} + +void <a name="f480"></a>DirectoryView::openFolder() +{ +<a name="x1705"></a> autoopen_timer-><a href="qtimer.html#stop">stop</a>(); + if ( dropItem && !dropItem->isOpen() ) { + dropItem->setOpen( TRUE ); + dropItem->repaint(); + } +} + +static const int autoopenTime = 750; + + +<a name="x1679"></a>void DirectoryView::<a href="qscrollview.html#contentsDragEnterEvent">contentsDragEnterEvent</a>( <a href="qdragenterevent.html">QDragEnterEvent</a> *e ) +{ + if ( !QUriDrag::canDecode(e) ) { +<a name="x1669"></a> e-><a href="qdragmoveevent.html#ignore">ignore</a>(); + return; + } + + oldCurrent = <a href="qlistview.html#currentItem">currentItem</a>(); + +<a name="x1673"></a> <a href="qlistviewitem.html">QListViewItem</a> *i = <a href="qlistview.html#itemAt">itemAt</a>( <a href="qscrollview.html#contentsToViewport">contentsToViewport</a>(e-><a href="qdropevent.html#pos">pos</a>()) ); + if ( i ) { + dropItem = i; +<a name="x1704"></a> autoopen_timer-><a href="qtimer.html#start">start</a>( autoopenTime ); + } +} + + +<a name="x1681"></a>void DirectoryView::<a href="qscrollview.html#contentsDragMoveEvent">contentsDragMoveEvent</a>( <a href="qdragmoveevent.html">QDragMoveEvent</a> *e ) +{ + if ( !QUriDrag::canDecode(e) ) { + e-><a href="qdragmoveevent.html#ignore">ignore</a>(); + return; + } + + <a href="qpoint.html">QPoint</a> vp = <a href="qscrollview.html#contentsToViewport">contentsToViewport</a>( ( (QDragMoveEvent*)e )->pos() ); + <a href="qlistviewitem.html">QListViewItem</a> *i = <a href="qlistview.html#itemAt">itemAt</a>( vp ); + if ( i ) { + <a href="qlistview.html#setSelected">setSelected</a>( i, TRUE ); +<a name="x1668"></a> e-><a href="qdragmoveevent.html#accept">accept</a>(); + if ( i != dropItem ) { + autoopen_timer-><a href="qtimer.html#stop">stop</a>(); + dropItem = i; + autoopen_timer-><a href="qtimer.html#start">start</a>( autoopenTime ); + } +<a name="x1672"></a> switch ( e-><a href="qdropevent.html#action">action</a>() ) { + case QDropEvent::Copy: + break; + case QDropEvent::Move: +<a name="x1671"></a> e-><a href="qdropevent.html#acceptAction">acceptAction</a>(); + break; + case QDropEvent::Link: + e-><a href="qdropevent.html#acceptAction">acceptAction</a>(); + break; + default: + ; + } + } else { + e-><a href="qdragmoveevent.html#ignore">ignore</a>(); + autoopen_timer-><a href="qtimer.html#stop">stop</a>(); + dropItem = 0; + } +} + +<a name="x1680"></a>void DirectoryView::<a href="qscrollview.html#contentsDragLeaveEvent">contentsDragLeaveEvent</a>( <a href="qdragleaveevent.html">QDragLeaveEvent</a> * ) +{ + autoopen_timer-><a href="qtimer.html#stop">stop</a>(); + dropItem = 0; + + <a href="qlistview.html#setCurrentItem">setCurrentItem</a>( oldCurrent ); + <a href="qlistview.html#setSelected">setSelected</a>( oldCurrent, TRUE ); +} + +<a name="x1682"></a>void DirectoryView::<a href="qscrollview.html#contentsDropEvent">contentsDropEvent</a>( <a href="qdropevent.html">QDropEvent</a> *e ) +{ + autoopen_timer-><a href="qtimer.html#stop">stop</a>(); + + if ( !QUriDrag::canDecode(e) ) { + e-><a href="qdragmoveevent.html#ignore">ignore</a>(); + return; + } + + <a href="qlistviewitem.html">QListViewItem</a> *item = <a href="qlistview.html#itemAt">itemAt</a>( <a href="qscrollview.html#contentsToViewport">contentsToViewport</a>(e-><a href="qdropevent.html#pos">pos</a>()) ); + if ( item ) { + + <a href="qstrlist.html">QStrList</a> lst; + +<a name="x1707"></a> QUriDrag::<a href="quridrag.html#decode">decode</a>( e, lst ); + + <a href="qstring.html">QString</a> str; + + switch ( e-><a href="qdropevent.html#action">action</a>() ) { + case QDropEvent::Copy: + str = "Copy"; + break; + case QDropEvent::Move: + str = "Move"; + e-><a href="qdropevent.html#acceptAction">acceptAction</a>(); + break; + case QDropEvent::Link: + str = "Link"; + e-><a href="qdropevent.html#acceptAction">acceptAction</a>(); + break; + default: + str = "Unknown"; + } + + str += "\n\n"; + + e-><a href="qdragmoveevent.html#accept">accept</a>(); + +<a name="x1699"></a> for ( uint i = 0; i < lst.<a href="qptrlist.html#count">count</a>(); ++i ) { +<a name="x1709"></a><a name="x1697"></a><a name="x1664"></a> <a href="qstring.html">QString</a> filename = QDir::<a href="qdir.html#convertSeparators">convertSeparators</a>(QUriDrag::<a href="quridrag.html#uriToLocalFile">uriToLocalFile</a>(lst.<a href="qptrlist.html#at">at</a>(i))); + str += filename + "\n"; + } + str += QString( "\nTo\n\n %1" ) + .arg( QDir::<a href="qdir.html#convertSeparators">convertSeparators</a>(fullPath(item)) ); + +<a name="x1695"></a> QMessageBox::<a href="qmessagebox.html#information">information</a>( this, "Drop target", str, "Not implemented" ); + } else + e-><a href="qdragmoveevent.html#ignore">ignore</a>(); + +} + + +QString <a name="f481"></a>DirectoryView::fullPath(QListViewItem* item) +{ + <a href="qstring.html">QString</a> fullpath = item-><a href="qlistviewitem.html#text">text</a>(0); +<a name="x1688"></a> while ( (item=item-><a href="qlistviewitem.html#parent">parent</a>()) ) { + if ( item-><a href="qlistviewitem.html#parent">parent</a>() ) + fullpath = item-><a href="qlistviewitem.html#text">text</a>(0) + "/" + fullpath; + else + fullpath = item-><a href="qlistviewitem.html#text">text</a>(0) + fullpath; + } +#ifdef Q_WS_WIN +<a name="x1702"></a> if (fullpath.<a href="qstring.html#length">length</a>() > 2 && fullpath[1] != ':') { + <a href="qdir.html">QDir</a> dir(fullpath); +<a name="x1665"></a> fullpath = dir.<a href="qdir.html#currentDirPath">currentDirPath</a>().left(2) + fullpath; + } +#endif + + return fullpath; +} + +<a name="x1684"></a>void DirectoryView::<a href="qlistview.html#contentsMousePressEvent">contentsMousePressEvent</a>( <a href="qmouseevent.html">QMouseEvent</a>* e ) +{ + QListView::<a href="qlistview.html#contentsMousePressEvent">contentsMousePressEvent</a>(e); + <a href="qpoint.html">QPoint</a> p( contentsToViewport( e-><a href="qdropevent.html#pos">pos</a>() ) ); + <a href="qlistviewitem.html">QListViewItem</a> *i = itemAt( p ); + if ( i ) { + // if the user clicked into the root decoration of the item, don't try to start a drag! +<a name="x1696"></a> if ( p.<a href="qpoint.html#x">x</a>() > header()->cellPos( header()->mapToActual( 0 ) ) + +<a name="x1686"></a> treeStepSize() * ( i-><a href="qlistviewitem.html#depth">depth</a>() + ( rootIsDecorated() ? 1 : 0) ) + itemMargin() || + p.<a href="qpoint.html#x">x</a>() < header()->cellPos( header()->mapToActual( 0 ) ) ) { + presspos = e-><a href="qdropevent.html#pos">pos</a>(); + mousePressed = TRUE; + } + } +} + +<a name="x1683"></a>void DirectoryView::<a href="qlistview.html#contentsMouseMoveEvent">contentsMouseMoveEvent</a>( <a href="qmouseevent.html">QMouseEvent</a>* e ) +{ + if ( mousePressed && ( presspos - e-><a href="qdropevent.html#pos">pos</a>() ).manhattanLength() > QApplication::<a href="qapplication.html#startDragDistance">startDragDistance</a>() ) { + mousePressed = FALSE; + <a href="qlistviewitem.html">QListViewItem</a> *item = itemAt( contentsToViewport(presspos) ); + if ( item ) { + <a href="qstring.html">QString</a> source = fullPath(item); +<a name="x1674"></a> if ( QFile::<a href="qfile.html#exists">exists</a>(source) ) { + <a href="quridrag.html">QUriDrag</a>* ud = new <a href="quridrag.html">QUriDrag</a>(viewport()); +<a name="x1708"></a> ud-><a href="quridrag.html#setFileNames">setFileNames</a>( source ); +<a name="x1670"></a> if ( ud-><a href="qdragobject.html#drag">drag</a>() ) + QMessageBox::<a href="qmessagebox.html#information">information</a>( this, "Drag source", + QString("Delete ") + QDir::convertSeparators(source), "Not implemented" ); + } + } + } +} + +<a name="x1685"></a>void DirectoryView::<a href="qlistview.html#contentsMouseReleaseEvent">contentsMouseReleaseEvent</a>( <a href="qmouseevent.html">QMouseEvent</a> * ) +{ + mousePressed = FALSE; +} + +void <a name="f482"></a>DirectoryView::setDir( const <a href="qstring.html">QString</a> &s ) +{ + <a href="qlistviewitemiterator.html">QListViewItemIterator</a> it( this ); + ++it; + for ( ; it.<a href="qlistviewitemiterator.html#current">current</a>(); ++it ) { + it.<a href="qlistviewitemiterator.html#current">current</a>()->setOpen( FALSE ); + } + +<a name="x1703"></a> <a href="qstringlist.html">QStringList</a> lst( QStringList::<a href="qstringlist.html#split">split</a>( "/", s ) ); + <a href="qlistviewitem.html">QListViewItem</a> *item = <a href="qlistviewitem.html#firstChild">firstChild</a>(); +<a name="x1698"></a> QStringList::Iterator it2 = lst.<a href="qvaluelist.html#begin">begin</a>(); +<a name="x1700"></a> for ( ; it2 != lst.<a href="qvaluelist.html#end">end</a>(); ++it2 ) { + while ( item ) { + if ( item-><a href="qlistviewitem.html#text">text</a>( 0 ) == *it2 ) { + item-><a href="qlistviewitem.html#setOpen">setOpen</a>( TRUE ); + break; + } +<a name="x1687"></a> item = item-><a href="qlistviewitem.html#itemBelow">itemBelow</a>(); + } + } + + if ( item ) + setCurrentItem( item ); +} + +void FileItem::<a href="qlistviewitem.html#setPixmap">setPixmap</a>( <a href="qpixmap.html">QPixmap</a> *p ) +{ + pix = p; + <a href="qlistviewitem.html#setup">setup</a>(); + <a href="qlistviewitem.html#widthChanged">widthChanged</a>( 0 ); + <a href="qlistviewitem.html#invalidateHeight">invalidateHeight</a>(); + <a href="qlistviewitem.html#repaint">repaint</a>(); +} + + +const QPixmap *FileItem::<a href="qlistviewitem.html#pixmap">pixmap</a>( int i ) const +{ + if ( i ) + return 0; + return pix; +} +</pre> + +<p> <hr> +<p> Main: +<p> <pre>/**************************************************************************** +** $Id: qt/main.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 Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#include <<a href="qapplication-h.html">qapplication.h</a>> +#include <<a href="qfileinfo-h.html">qfileinfo.h</a>> +#include <<a href="qdir-h.html">qdir.h</a>> +#include "dirview.h" + +int main( int argc, char ** argv ) +{ + <a href="qapplication.html">QApplication</a> a( argc, argv ); + + DirectoryView mw; + +<a name="x1714"></a> mw.<a href="qlistview.html#addColumn">addColumn</a>( "Name" ); + mw.<a href="qlistview.html#addColumn">addColumn</a>( "Type" ); +<a name="x1716"></a> mw.<a href="qlistview.html#setTreeStepSize">setTreeStepSize</a>( 20 ); + +<a name="x1712"></a> const QFileInfoList* roots = QDir::<a href="qdir.html#drives">drives</a>(); + <a href="qptrlistiterator.html">QPtrListIterator</a><QFileInfo> i(*roots); + <a href="qfileinfo.html">QFileInfo</a>* fi; + while ( (fi = *i) ) { + ++i; +<a name="x1713"></a> Directory * root = new Directory( &mw, fi-><a href="qfileinfo.html#filePath">filePath</a>() ); + if ( roots->count() <= 1 ) +<a name="x1718"></a> root-><a href="qlistviewitem.html#setOpen">setOpen</a>( TRUE ); // be interesting + } + +<a name="x1719"></a> mw.<a href="qwidget.html#resize">resize</a>( 400, 400 ); + mw.<a href="qwidget.html#setCaption">setCaption</a>( "Qt Example - Directory Browser" ); +<a name="x1715"></a> mw.<a href="qlistview.html#setAllColumnsShowFocus">setAllColumnsShowFocus</a>( TRUE ); + a.<a href="qapplication.html#setMainWidget">setMainWidget</a>( &mw ); +<a name="x1717"></a> mw.<a href="qwidget.html#show">show</a>(); + + return a.<a href="qapplication.html#exec">exec</a>(); +} +</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>Qt 3.3.8</div> +</table></div></address></body> +</html> |