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-rw-r--r--examples/dirview/dirview.cpp532
-rw-r--r--examples/dirview/dirview.doc35
-rw-r--r--examples/dirview/dirview.h110
-rw-r--r--examples/dirview/dirview.pro11
-rw-r--r--examples/dirview/main.cpp42
5 files changed, 730 insertions, 0 deletions
diff --git a/examples/dirview/dirview.cpp b/examples/dirview/dirview.cpp
new file mode 100644
index 000000000..ce5e96b9c
--- /dev/null
+++ b/examples/dirview/dirview.cpp
@@ -0,0 +1,532 @@
+/****************************************************************************
+**
+** Copyright (C) 1992-2008 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.h"
+
+#include <qdir.h>
+#include <qfile.h>
+#include <qfileinfo.h>
+#include <qpixmap.h>
+#include <qevent.h>
+#include <qpoint.h>
+#include <qmessagebox.h>
+#include <qdragobject.h>
+#include <qmime.h>
+#include <qstrlist.h>
+#include <qstringlist.h>
+#include <qapplication.h>
+#include <qheader.h>
+
+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#......",
+ ".......##......."};
+
+TQPixmap *folderLocked = 0;
+TQPixmap *folderClosed = 0;
+TQPixmap *folderOpen = 0;
+TQPixmap *fileNormal = 0;
+
+/*****************************************************************************
+ *
+ * Class Directory
+ *
+ *****************************************************************************/
+
+Directory::Directory( Directory * parent, const TQString& filename )
+ : TQListViewItem( parent ), f(filename),
+ showDirsOnly( parent->showDirsOnly ),
+ pix( 0 )
+{
+ p = parent;
+ readable = TQDir( fullName() ).isReadable();
+
+ if ( !readable )
+ setPixmap( folderLocked );
+ else
+ setPixmap( folderClosed );
+}
+
+
+Directory::Directory( TQListView * parent, const TQString& filename )
+ : TQListViewItem( parent ), f(filename),
+ showDirsOnly( ( (DirectoryView*)parent )->showDirsOnly() ),
+ pix( 0 )
+{
+ p = 0;
+ readable = TQDir( fullName() ).isReadable();
+}
+
+
+void Directory::setPixmap( TQPixmap *px )
+{
+ pix = px;
+ setup();
+ widthChanged( 0 );
+ invalidateHeight();
+ repaint();
+}
+
+
+const TQPixmap *Directory::pixmap( int i ) const
+{
+ if ( i )
+ return 0;
+ return pix;
+}
+
+void Directory::setOpen( bool o )
+{
+ if ( o )
+ setPixmap( folderOpen );
+ else
+ setPixmap( folderClosed );
+
+ if ( o && !childCount() ) {
+ TQString s( fullName() );
+ TQDir thisDir( s );
+ if ( !thisDir.isReadable() ) {
+ readable = FALSE;
+ setExpandable( FALSE );
+ return;
+ }
+
+ listView()->setUpdatesEnabled( FALSE );
+ const TQFileInfoList * files = thisDir.entryInfoList();
+ if ( files ) {
+ TQFileInfoListIterator it( *files );
+ TQFileInfo * fi;
+ while( (fi=it.current()) != 0 ) {
+ ++it;
+ if ( fi->fileName() == "." || fi->fileName() == ".." )
+ ; // nothing
+ else if ( fi->isSymLink() && !showDirsOnly ) {
+ FileItem *item = new FileItem( this, fi->fileName(),
+ "Symbolic Link" );
+ item->setPixmap( fileNormal );
+ }
+ else if ( fi->isDir() )
+ (void)new Directory( this, fi->fileName() );
+ else if ( !showDirsOnly ) {
+ FileItem *item
+ = new FileItem( this, fi->fileName(),
+ fi->isFile()?"File":"Special" );
+ item->setPixmap( fileNormal );
+ }
+ }
+ }
+ listView()->setUpdatesEnabled( TRUE );
+ }
+ TQListViewItem::setOpen( o );
+}
+
+
+void Directory::setup()
+{
+ setExpandable( TRUE );
+ TQListViewItem::setup();
+}
+
+
+TQString Directory::fullName()
+{
+ TQString s;
+ if ( p ) {
+ s = p->fullName();
+ s.append( f.name() );
+ s.append( "/" );
+ } else {
+ s = f.name();
+ }
+ return s;
+}
+
+
+TQString Directory::text( int column ) const
+{
+ if ( column == 0 )
+ return f.name();
+ else if ( readable )
+ return "Directory";
+ else
+ return "Unreadable Directory";
+}
+
+/*****************************************************************************
+ *
+ * Class DirectoryView
+ *
+ *****************************************************************************/
+
+DirectoryView::DirectoryView( TQWidget *parent, const char *name, bool sdo )
+ : TQListView( parent, name ), dirsOnly( sdo ), oldCurrent( 0 ),
+ dropItem( 0 ), mousePressed( FALSE )
+{
+ autoopen_timer = new TQTimer( this );
+ if ( !folderLocked ) {
+ folderLocked = new TQPixmap( folder_locked );
+ folderClosed = new TQPixmap( folder_closed_xpm );
+ folderOpen = new TQPixmap( folder_open_xpm );
+ fileNormal = new TQPixmap( pix_file );
+ }
+
+ connect( this, SIGNAL( doubleClicked( TQListViewItem * ) ),
+ this, SLOT( slotFolderSelected( TQListViewItem * ) ) );
+ connect( this, SIGNAL( returnPressed( TQListViewItem * ) ),
+ this, SLOT( slotFolderSelected( TQListViewItem * ) ) );
+
+ setAcceptDrops( TRUE );
+ viewport()->setAcceptDrops( TRUE );
+
+ connect( autoopen_timer, SIGNAL( timeout() ),
+ this, SLOT( openFolder() ) );
+}
+
+void DirectoryView::slotFolderSelected( TQListViewItem *i )
+{
+ if ( !i || !showDirsOnly() )
+ return;
+
+ Directory *dir = (Directory*)i;
+ emit folderSelected( dir->fullName() );
+}
+
+void DirectoryView::openFolder()
+{
+ autoopen_timer->stop();
+ if ( dropItem && !dropItem->isOpen() ) {
+ dropItem->setOpen( TRUE );
+ dropItem->repaint();
+ }
+}
+
+static const int autoopenTime = 750;
+
+
+void DirectoryView::contentsDragEnterEvent( TQDragEnterEvent *e )
+{
+ if ( !TQUriDrag::canDecode(e) ) {
+ e->ignore();
+ return;
+ }
+
+ oldCurrent = currentItem();
+
+ TQListViewItem *i = itemAt( contentsToViewport(e->pos()) );
+ if ( i ) {
+ dropItem = i;
+ autoopen_timer->start( autoopenTime );
+ }
+}
+
+
+void DirectoryView::contentsDragMoveEvent( TQDragMoveEvent *e )
+{
+ if ( !TQUriDrag::canDecode(e) ) {
+ e->ignore();
+ return;
+ }
+
+ TQPoint vp = contentsToViewport( ( (TQDragMoveEvent*)e )->pos() );
+ TQListViewItem *i = itemAt( vp );
+ if ( i ) {
+ setSelected( i, TRUE );
+ e->accept();
+ if ( i != dropItem ) {
+ autoopen_timer->stop();
+ dropItem = i;
+ autoopen_timer->start( autoopenTime );
+ }
+ switch ( e->action() ) {
+ case TQDropEvent::Copy:
+ break;
+ case TQDropEvent::Move:
+ e->acceptAction();
+ break;
+ case TQDropEvent::Link:
+ e->acceptAction();
+ break;
+ default:
+ ;
+ }
+ } else {
+ e->ignore();
+ autoopen_timer->stop();
+ dropItem = 0;
+ }
+}
+
+void DirectoryView::contentsDragLeaveEvent( TQDragLeaveEvent * )
+{
+ autoopen_timer->stop();
+ dropItem = 0;
+
+ setCurrentItem( oldCurrent );
+ setSelected( oldCurrent, TRUE );
+}
+
+void DirectoryView::contentsDropEvent( TQDropEvent *e )
+{
+ autoopen_timer->stop();
+
+ if ( !TQUriDrag::canDecode(e) ) {
+ e->ignore();
+ return;
+ }
+
+ TQListViewItem *item = itemAt( contentsToViewport(e->pos()) );
+ if ( item ) {
+
+ TQStrList lst;
+
+ TQUriDrag::decode( e, lst );
+
+ TQString str;
+
+ switch ( e->action() ) {
+ case TQDropEvent::Copy:
+ str = "Copy";
+ break;
+ case TQDropEvent::Move:
+ str = "Move";
+ e->acceptAction();
+ break;
+ case TQDropEvent::Link:
+ str = "Link";
+ e->acceptAction();
+ break;
+ default:
+ str = "Unknown";
+ }
+
+ str += "\n\n";
+
+ e->accept();
+
+ for ( uint i = 0; i < lst.count(); ++i ) {
+ TQString filename = TQDir::convertSeparators(TQUriDrag::uriToLocalFile(lst.at(i)));
+ str += filename + "\n";
+ }
+ str += TQString( "\nTo\n\n %1" )
+ .arg( TQDir::convertSeparators(fullPath(item)) );
+
+ TQMessageBox::information( this, "Drop target", str, "Not implemented" );
+ } else
+ e->ignore();
+
+}
+
+
+TQString DirectoryView::fullPath(TQListViewItem* item)
+{
+ TQString fullpath = item->text(0);
+ while ( (item=item->parent()) ) {
+ if ( item->parent() )
+ fullpath = item->text(0) + "/" + fullpath;
+ else
+ fullpath = item->text(0) + fullpath;
+ }
+#ifdef Q_WS_WIN
+ if (fullpath.length() > 2 && fullpath[1] != ':') {
+ TQDir dir(fullpath);
+ fullpath = dir.currentDirPath().left(2) + fullpath;
+ }
+#endif
+
+ return fullpath;
+}
+
+void DirectoryView::contentsMousePressEvent( TQMouseEvent* e )
+{
+ TQListView::contentsMousePressEvent(e);
+ TQPoint p( contentsToViewport( e->pos() ) );
+ TQListViewItem *i = itemAt( p );
+ if ( i ) {
+ // if the user clicked into the root decoration of the item, don't try to start a drag!
+ if ( p.x() > header()->cellPos( header()->mapToActual( 0 ) ) +
+ treeStepSize() * ( i->depth() + ( rootIsDecorated() ? 1 : 0) ) + itemMargin() ||
+ p.x() < header()->cellPos( header()->mapToActual( 0 ) ) ) {
+ presspos = e->pos();
+ mousePressed = TRUE;
+ }
+ }
+}
+
+void DirectoryView::contentsMouseMoveEvent( TQMouseEvent* e )
+{
+ if ( mousePressed && ( presspos - e->pos() ).manhattanLength() > TQApplication::startDragDistance() ) {
+ mousePressed = FALSE;
+ TQListViewItem *item = itemAt( contentsToViewport(presspos) );
+ if ( item ) {
+ TQString source = fullPath(item);
+ if ( TQFile::exists(source) ) {
+ TQUriDrag* ud = new TQUriDrag(viewport());
+ ud->setFileNames( source );
+ if ( ud->drag() )
+ TQMessageBox::information( this, "Drag source",
+ TQString("Delete ") + TQDir::convertSeparators(source), "Not implemented" );
+ }
+ }
+ }
+}
+
+void DirectoryView::contentsMouseReleaseEvent( TQMouseEvent * )
+{
+ mousePressed = FALSE;
+}
+
+void DirectoryView::setDir( const TQString &s )
+{
+ TQListViewItemIterator it( this );
+ ++it;
+ for ( ; it.current(); ++it ) {
+ it.current()->setOpen( FALSE );
+ }
+
+ TQStringList lst( TQStringList::split( "/", s ) );
+ TQListViewItem *item = firstChild();
+ TQStringList::Iterator it2 = lst.begin();
+ for ( ; it2 != lst.end(); ++it2 ) {
+ while ( item ) {
+ if ( item->text( 0 ) == *it2 ) {
+ item->setOpen( TRUE );
+ break;
+ }
+ item = item->itemBelow();
+ }
+ }
+
+ if ( item )
+ setCurrentItem( item );
+}
+
+void FileItem::setPixmap( TQPixmap *p )
+{
+ pix = p;
+ setup();
+ widthChanged( 0 );
+ invalidateHeight();
+ repaint();
+}
+
+
+const TQPixmap *FileItem::pixmap( int i ) const
+{
+ if ( i )
+ return 0;
+ return pix;
+}
diff --git a/examples/dirview/dirview.doc b/examples/dirview/dirview.doc
new file mode 100644
index 000000000..82a599996
--- /dev/null
+++ b/examples/dirview/dirview.doc
@@ -0,0 +1,35 @@
+
+/*
+*/
+/*! \page dirview-example.html
+
+ \ingroup examples
+ \title A Directory Browser
+
+ 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.
+
+ <hr>
+
+ Header file:
+
+ \include dirview/dirview.h
+
+ <hr>
+
+ 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.
+
+ \include dirview/dirview.cpp
+
+ <hr>
+
+ Main:
+
+ \include dirview/main.cpp
+*/
+
diff --git a/examples/dirview/dirview.h b/examples/dirview/dirview.h
new file mode 100644
index 000000000..b4e49b5a2
--- /dev/null
+++ b/examples/dirview/dirview.h
@@ -0,0 +1,110 @@
+/****************************************************************************
+**
+** Copyright (C) 1992-2008 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.
+**
+*****************************************************************************/
+
+#ifndef DIRVIEW_H
+#define DIRVIEW_H
+
+#include <qlistview.h>
+#include <qstring.h>
+#include <qfile.h>
+#include <qfileinfo.h>
+#include <qtimer.h>
+
+class TQWidget;
+class TQDragEnterEvent;
+class TQDragMoveEvent;
+class TQDragLeaveEvent;
+class TQDropEvent;
+
+class FileItem : public TQListViewItem
+{
+public:
+ FileItem( TQListViewItem *parent, const TQString &s1, const TQString &s2 )
+ : TQListViewItem( parent, s1, s2 ), pix( 0 ) {}
+
+ const TQPixmap *pixmap( int i ) const;
+#if !defined(Q_NO_USING_KEYWORD)
+ using TQListViewItem::setPixmap;
+#endif
+ void setPixmap( TQPixmap *p );
+
+private:
+ TQPixmap *pix;
+
+};
+
+class Directory : public TQListViewItem
+{
+public:
+ Directory( TQListView * parent, const TQString& filename );
+ Directory( Directory * parent, const TQString& filename, const TQString &col2 )
+ : TQListViewItem( parent, filename, col2 ), pix( 0 ) {}
+ Directory( Directory * parent, const TQString& filename );
+
+ TQString text( int column ) const;
+
+ TQString fullName();
+
+ void setOpen( bool );
+ void setup();
+
+ const TQPixmap *pixmap( int i ) const;
+#if !defined(Q_NO_USING_KEYWORD)
+ using TQListViewItem::setPixmap;
+#endif
+ void setPixmap( TQPixmap *p );
+
+private:
+ TQFile f;
+ Directory * p;
+ bool readable;
+ bool showDirsOnly;
+ TQPixmap *pix;
+
+};
+
+class DirectoryView : public TQListView
+{
+ Q_OBJECT
+
+public:
+ DirectoryView( TQWidget *parent = 0, const char *name = 0, bool sdo = FALSE );
+ bool showDirsOnly() { return dirsOnly; }
+
+public slots:
+ void setDir( const TQString & );
+
+signals:
+ void folderSelected( const TQString & );
+
+protected slots:
+ void slotFolderSelected( TQListViewItem * );
+ void openFolder();
+
+protected:
+ void contentsDragEnterEvent( TQDragEnterEvent *e );
+ void contentsDragMoveEvent( TQDragMoveEvent *e );
+ void contentsDragLeaveEvent( TQDragLeaveEvent *e );
+ void contentsDropEvent( TQDropEvent *e );
+ void contentsMouseMoveEvent( TQMouseEvent *e );
+ void contentsMousePressEvent( TQMouseEvent *e );
+ void contentsMouseReleaseEvent( TQMouseEvent *e );
+
+private:
+ TQString fullPath(TQListViewItem* item);
+ bool dirsOnly;
+ TQListViewItem *oldCurrent;
+ TQListViewItem *dropItem;
+ TQTimer* autoopen_timer;
+ TQPoint presspos;
+ bool mousePressed;
+
+};
+
+#endif
diff --git a/examples/dirview/dirview.pro b/examples/dirview/dirview.pro
new file mode 100644
index 000000000..fe711169b
--- /dev/null
+++ b/examples/dirview/dirview.pro
@@ -0,0 +1,11 @@
+TEMPLATE = app
+TARGET = dirview
+
+CONFIG += qt warn_on release
+DEPENDPATH = ../../include
+
+REQUIRES = full-config
+
+HEADERS = dirview.h
+SOURCES = dirview.cpp \
+ main.cpp
diff --git a/examples/dirview/main.cpp b/examples/dirview/main.cpp
new file mode 100644
index 000000000..00f712729
--- /dev/null
+++ b/examples/dirview/main.cpp
@@ -0,0 +1,42 @@
+/****************************************************************************
+**
+** Copyright (C) 1992-2008 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 <qapplication.h>
+#include <qfileinfo.h>
+#include <qdir.h>
+#include "dirview.h"
+
+int main( int argc, char ** argv )
+{
+ TQApplication a( argc, argv );
+
+ DirectoryView mw;
+
+ mw.addColumn( "Name" );
+ mw.addColumn( "Type" );
+ mw.setTreeStepSize( 20 );
+
+ const TQFileInfoList* roots = TQDir::drives();
+ TQPtrListIterator<TQFileInfo> i(*roots);
+ TQFileInfo* fi;
+ while ( (fi = *i) ) {
+ ++i;
+ Directory * root = new Directory( &mw, fi->filePath() );
+ if ( roots->count() <= 1 )
+ root->setOpen( TRUE ); // be interesting
+ }
+
+ mw.resize( 400, 400 );
+ mw.setCaption( "TQt Example - Directory Browser" );
+ mw.setAllColumnsShowFocus( TRUE );
+ a.setMainWidget( &mw );
+ mw.show();
+
+ return a.exec();
+}
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