From bd0f3345a938b35ce6a12f6150373b0955b8dd12 Mon Sep 17 00:00:00 2001 From: Timothy Pearson Date: Sun, 10 Jul 2011 15:24:15 -0500 Subject: Add Qt3 development HEAD version --- doc/html/fileiconview-example.html | 1394 ++++++++++++++++++++++++++++++++++++ 1 file changed, 1394 insertions(+) create mode 100644 doc/html/fileiconview-example.html (limited to 'doc/html/fileiconview-example.html') diff --git a/doc/html/fileiconview-example.html b/doc/html/fileiconview-example.html new file mode 100644 index 0000000..d22b8fa --- /dev/null +++ b/doc/html/fileiconview-example.html @@ -0,0 +1,1394 @@ + + + + + +Simple Filemanager + + + + + + + +
+ +Home + | +All Classes + | +Main Classes + | +Annotated + | +Grouped Classes + | +Functions +

Simple Filemanager

+ + +

+This example implements a simple and not fully functional file manager using +a widget derived from QIconView to display the current directory. +To display the directory tree the +widget written in the dirview example is +used. +

+

Header file of the file icon view: +

/****************************************************************************
+** $Id: qt/qfileiconview.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 QTFILEICONVIEW_H
+#define QTFILEICONVIEW_H
+
+
+#include <qiconset.h>
+#include <qstring.h>
+#include <qfileinfo.h>
+#include <qdir.h>
+#include <qtimer.h>
+#include <qiconview.h>
+
+class QtFileIconView;
+class QDragObject;
+class QResizeEvent;
+
+/*****************************************************************************
+ *
+ * Class QtFileIconDrag
+ *
+ *****************************************************************************/
+
+class QtFileIconDrag : public QIconDrag
+{
+    Q_OBJECT
+
+public:
+    QtFileIconDrag( QWidget * dragSource, const char* name = 0 );
+
+    const char* format( int i ) const;
+    QByteArray encodedData( const char* mime ) const;
+    static bool canDecode( QMimeSource* e );
+    void append( const QIconDragItem &item, const QRect &pr, const QRect &tr, const QString &url );
+
+private:
+    QStringList urls;
+
+};
+
+/*****************************************************************************
+ *
+ * Class QtFileIconView
+ *
+ *****************************************************************************/
+class QtFileIconViewItem;
+class QtFileIconView : public QIconView
+{
+    Q_OBJECT
+
+public:
+    QtFileIconView( const QString &dir, QWidget *parent = 0, const char *name = 0 );
+
+    enum ViewMode { Large, Small };
+
+    void setViewMode( ViewMode m );
+    ViewMode viewMode() const { return vm; }
+    void setOpenItem( QtFileIconViewItem *i ) {
+        openItem = i;
+    }
+
+public slots:
+    void setDirectory( const QString &dir );
+    void setDirectory( const QDir &dir );
+    void newDirectory();
+    QDir currentDir();
+
+signals:
+    void directoryChanged( const QString & );
+    void startReadDir( int dirs );
+    void readNextDir();
+    void readDirDone();
+    void enableUp();
+    void disableUp();
+    void enableMkdir();
+    void disableMkdir();
+
+protected slots:
+    void itemDoubleClicked( QIconViewItem *i );
+    void slotDropped( QDropEvent *e, const QValueList<QIconDragItem> & );
+
+    void viewLarge();
+    void viewSmall();
+    void viewBottom();
+    void viewRight();
+    void flowEast();
+    void flowSouth();
+    void itemTextTruncate();
+    void itemTextWordWrap();
+    void sortAscending();
+    void sortDescending();
+    void arrangeItemsInGrid() {
+        QIconView::arrangeItemsInGrid( TRUE );
+    }
+
+    void slotRightPressed( QIconViewItem *item );
+    void openFolder();
+
+protected:
+    void readDir( const QDir &dir );
+    virtual QDragObject *dragObject();
+
+    virtual void keyPressEvent( QKeyEvent *e );
+
+    QDir viewDir;
+    int newFolderNum;
+    QSize sz;
+    QPixmap pix;
+    ViewMode vm;
+    QtFileIconViewItem *openItem;
+
+};
+
+/*****************************************************************************
+ *
+ * Class QtFileIconViewItem
+ *
+ *****************************************************************************/
+
+class QtFileIconViewItem : public QIconViewItem
+{
+    friend class QtFileIconView;
+
+public:
+    enum ItemType {
+        File = 0,
+        Dir,
+        Link
+    };
+
+    QtFileIconViewItem( QtFileIconView *parent, QFileInfo *fi );
+
+    virtual ~QtFileIconViewItem();
+
+    ItemType type() const
+    { return itemType; }
+    QString filename() const { return itemFileName; }
+
+    virtual bool acceptDrop( const QMimeSource *e ) const;
+
+    virtual void setText( const QString &text );
+    virtual QPixmap *pixmap() const;
+
+    virtual void dragEntered();
+    virtual void dragLeft();
+
+    void viewModeChanged( QtFileIconView::ViewMode m );
+    void paintItem( QPainter *p, const QColorGroup &cg );
+
+protected:
+    virtual void dropped( QDropEvent *e, const QValueList<QIconDragItem> & );
+
+    QString itemFileName;
+    QFileInfo *itemFileInfo;
+    ItemType itemType;
+    bool checkSetText;
+    QTimer timer;
+    QtFileIconView::ViewMode vm;
+
+};
+
+
+#endif
+
+ +

+

Implementation of the file icon view: +

/****************************************************************************
+** $Id: qt/qfileiconview.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 "qfileiconview.h"
+#include <qpainter.h>
+#include <qstringlist.h>
+#include <qpixmap.h>
+#include <qmime.h>
+#include <qstrlist.h>
+#include <qdragobject.h>
+#include <qmessagebox.h>
+#include <qevent.h>
+#include <qpopupmenu.h>
+#include <qcursor.h>
+#include <qapplication.h>
+#include <qwmatrix.h>
+
+#include <stdlib.h>
+
+static const char * file_icon[]={
+    "32 32 17 1",
+    "# c #000000",
+    "a c #ffffff",
+    "j c #808080",
+    "n c #a0a0a4",
+    "g c #c0c0c0",
+    "m c #004000",
+    "o c #000000",
+    "l c #004040",
+    "k c #404000",
+    "i c #c0c000",
+    "h c #ffff00",
+    "b c #ffffc0",
+    "e c #ff8000",
+    "f c #c05800",
+    "c c #ffa858",
+    "d c #ffdca8",
+    ". c None",
+    "................................",
+    "................................",
+    "................................",
+    "................................",
+    ".............#....###...........",
+    "...###......#a##.#aba##.........",
+    "..#cdb#....#aaaa#aaaaaa##.......",
+    "..#ecdb#..#aaaa#aaaaaaaba##.....",
+    "..#fecdb##aaaa#aaaaaaaaaaab##...",
+    "...#fecdb#aaa#aaaaaaabaabaaaa##.",
+    "....#fecdb#a#baaaaa#baaaaaabaaa#",
+    ".....#fecdb#aaaaab#a##baaaaaaa#.",
+    ".....##fecdb#bbba#aaaa##baaab#..",
+    "....#bb#fecdb#ba#aaaaaaa##aa#...",
+    "...#bbbb#fecdb##aaabaaaaaa##....",
+    "..#bbbb#b#fecdb#aaaaaaabaaaa##..",
+    ".#bbbb#bbb#fecdg#aaaaaaaaaaaba#.",
+    "#hhbb#bbbbb#fegg#iiaaaaaaaaaaaa#",
+    "#jhhhklibbbk#ggj#aaiiaaaaaaaaa#j",
+    ".#mjhhhkmikab####aaabiiaaaaaa#j.",
+    "...##jhhhmaaibbaaiibaaaiiaab#n..",
+    ".....##j#baaaiiabaaiibaabaa#n...",
+    "......##baibaabiibaaaiiabb#j....",
+    "......#bbbbiiaabbiiaaaaabon.....",
+    ".....#bbbbbbbiiabbaiiaab#n......",
+    ".....#jbbbbbbbbiibaabba#n.......",
+    "......##jbbbbbbbbiiaabmj........",
+    "........##jbbbbbbbbbb#j.........",
+    "..........##nbbbbbbbmj..........",
+    "............##jbbbb#j...........",
+    "..............#mjj#n............",
+    "................##n............."};
+
+static const char * folder_icon[]={
+    "32 32 11 1",
+    "# c #000000",
+    "b c #c0c000",
+    "d c #585858",
+    "a c #ffff00",
+    "i c #400000",
+    "h c #a0a0a4",
+    "e c #000000",
+    "c c #ffffff",
+    "f c #303030",
+    "g c #c0c0c0",
+    ". c None",
+    "...###..........................",
+    "...#aa##........................",
+    ".###baaa##......................",
+    ".#cde#baaa##....................",
+    ".#cccdeebaaa##..##f.............",
+    ".#cccccdeebaaa##aaa##...........",
+    ".#cccccccdeebaaaaaaaa##.........",
+    ".#cccccccccdeebababaaa#.........",
+    ".#cccccgcgghhebbbbbbbaa#........",
+    ".#ccccccgcgggdebbbbbbba#........",
+    ".#cccgcgcgcgghdeebiebbba#.......",
+    ".#ccccgcggggggghdeddeeba#.......",
+    ".#cgcgcgcggggggggghghdebb#......",
+    ".#ccgcggggggggghghghghd#b#......",
+    ".#cgcgcggggggggghghghhd#b#......",
+    ".#gcggggggggghghghhhhhd#b#......",
+    ".#cgcggggggggghghghhhhd#b#......",
+    ".#ggggggggghghghhhhhhhdib#......",
+    ".#gggggggggghghghhhhhhd#b#......",
+    ".#hhggggghghghhhhhhhhhd#b#......",
+    ".#ddhhgggghghghhhhhhhhd#b#......",
+    "..##ddhhghghhhhhhhhhhhdeb#......",
+    "....##ddhhhghhhhhhhhhhd#b#......",
+    "......##ddhhhhhhhhhhhhd#b#......",
+    "........##ddhhhhhhhhhhd#b#......",
+    "..........##ddhhhhhhhhd#b#......",
+    "............##ddhhhhhhd#b###....",
+    "..............##ddhhhhd#b#####..",
+    "................##ddhhd#b######.",
+    "..................##dddeb#####..",
+    "....................##d#b###....",
+    "......................####......"};
+
+
+static const char * link_icon[]={
+    "32 32 12 1",
+    "# c #000000",
+    "h c #a0a0a4",
+    "b c #c00000",
+    "d c #585858",
+    "i c #400000",
+    "c c #ffffff",
+    "e c #000000",
+    "g c #c0c0c0",
+    "a c #ff0000",
+    "f c #303030",
+    "n c white",
+    ". c None",
+    "...###..........................",
+    "...#aa##........................",
+    ".###baaa##......................",
+    ".#cde#baaa##....................",
+    ".#cccdeebaaa##..##f.............",
+    ".#cccccdeebaaa##aaa##...........",
+    ".#cccccccdeebaaaaaaaa##.........",
+    ".#cccccccccdeebababaaa#.........",
+    ".#cccccgcgghhebbbbbbbaa#........",
+    ".#ccccccgcgggdebbbbbbba#........",
+    ".#cccgcgcgcgghdeebiebbba#.......",
+    ".#ccccgcggggggghdeddeeba#.......",
+    ".#cgcgcgcggggggggghghdebb#......",
+    ".#ccgcggggggggghghghghd#b#......",
+    ".#cgcgcggggggggghghghhd#b#......",
+    ".#gcggggggggghghghhhhhd#b#......",
+    ".#cgcggggggggghghghhhhd#b#......",
+    ".#ggggggggghghghhhhhhhdib#......",
+    ".#gggggggggghghghhhhhhd#b#......",
+    ".#hhggggghghghhhhhhhhhd#b#......",
+    ".#ddhhgggghghghhhhhhhhd#b#......",
+    "..##ddhhghghhhhhhhhhhhdeb#......",
+    "############hhhhhhhhhhd#b#......",
+    "#nnnnnnnnnn#hhhhhhhhhhd#b#......",
+    "#nnnnnnnnnn#hhhhhhhhhhd#b#......",
+    "#nn#nn#nnnn#ddhhhhhhhhd#b#......",
+    "#nn##n##nnn###ddhhhhhhd#b###....",
+    "#nnn#####nn#..##ddhhhhd#b#####..",
+    "#nnnnn##nnn#....##ddhhd#b######.",
+    "#nnnnn#nnnn#......##dddeb#####..",
+    "#nnnnnnnnnn#........##d#b###....",
+    "############..........####......"};
+
+static const char * folder_locked_icon[]={
+    "32 32 12 1",
+    "# c #000000",
+    "g c #808080",
+    "h c #c0c0c0",
+    "f c #c05800",
+    "c c #ffffff",
+    "d c #585858",
+    "b c #ffa858",
+    "a c #ffdca8",
+    "e c #000000",
+    "i c #a0a0a4",
+    "j c #c0c0c0",
+    ". c None",
+    "...###..........................",
+    "...#aa##........................",
+    ".###baaa##......................",
+    ".#cde#baaa##....................",
+    ".#cccdeeba#######...............",
+    ".#cccccde##fffff##..............",
+    ".#cccccc##fffgggg#..............",
+    ".#ccccccc#ffg####a##............",
+    ".#ccccchc#ffg#eebbaa##..........",
+    ".#ccccccc#ffg#ddeebbba##........",
+    ".#ccchccc#ffg#ihddeebbba##......",
+    ".#cccccaa#ffg#ihhhddeeba##......",
+    ".#chchhbbaafg#ihhhihidebb#......",
+    ".#cchccbbbbaa#ihhihihid#b#......",
+    ".#chchhbb#bbbaaiihihiid#b#......",
+    ".#hchhcbb#fbbbafhiiiiid#b#......",
+    ".#chchhbb#ffgbbfihiiiid#b#......",
+    ".#hhhhhbb#ffg#bfiiiiiid#b#......",
+    ".#hhhhhbbaffg#bfiiiiiid#b#......",
+    ".#iihhhjbbaab#bfiiiiiid#b#......",
+    ".#ddiihhh#bbbabfiiiiiid#b#......",
+    "..##ddiih#ffbbbfiiiiiid#b#......",
+    "....##ddi#ffg#biiiiiiid#b#......",
+    "......##d#ffg#iiiiiiiid#b#......",
+    "........##ffg#iiiiiiiid#b#......",
+    ".........#ffg#iiiiiiiid#b#......",
+    ".........#ffg#ddiiiiiid#b###....",
+    ".........##fg###ddiiiid#b#####..",
+    "...........####.##ddiid#b######.",
+    "..................##dddeb#####..",
+    "....................##d#b###....",
+    "......................####......"};
+
+static QPixmap *iconFolderLockedLarge = 0;
+static QPixmap *iconFolderLarge = 0;
+static QPixmap *iconFileLarge = 0;
+static QPixmap *iconLinkLarge = 0;
+static QPixmap *iconFolderLockedSmall = 0;
+static QPixmap *iconFolderSmall = 0;
+static QPixmap *iconFileSmall = 0;
+static QPixmap *iconLinkSmall = 0;
+
+static void cleanup()
+{
+    delete iconFolderLockedLarge;
+    iconFolderLockedLarge = 0;
+    delete iconFolderLarge;
+    iconFolderLarge = 0;
+    delete iconFileLarge;
+    iconFileLarge = 0;
+    delete iconLinkLarge;
+    iconLinkLarge = 0;
+    delete iconFolderLockedSmall;
+    iconFolderLockedSmall = 0;
+    delete iconFolderSmall;
+    iconFolderSmall = 0;
+    delete iconFileSmall;
+    iconFileSmall = 0;
+    delete iconLinkSmall;
+    iconLinkSmall = 0;
+}
+
+/*****************************************************************************
+ *
+ * Class QtFileIconDrag
+ *
+ *****************************************************************************/
+
+QtFileIconDrag::QtFileIconDrag( QWidget * dragSource, const char* name )
+    : QIconDrag( dragSource, name )
+{
+}
+
+const char* QtFileIconDrag::format( int i ) const
+{
+    if ( i == 0 )
+        return "application/x-qiconlist";
+    else if ( i == 1 )
+        return "text/uri-list";
+    else
+        return 0;
+}
+
+QByteArray QtFileIconDrag::encodedData( const char* mime ) const
+{
+    QByteArray a;
+    if ( QString( mime ) == "application/x-qiconlist" ) {
+        a = QIconDrag::encodedData( mime );
+    } else if ( QString( mime ) == "text/uri-list" ) {
+        QString s = urls.join( "\r\n" );
+        a.resize( s.length() );
+        memcpy( a.data(), s.latin1(), s.length() );
+    }
+    return a;
+}
+
+bool QtFileIconDrag::canDecode( QMimeSource* e )
+{
+    return e->provides( "application/x-qiconlist" ) ||
+        e->provides( "text/uri-list" );
+}
+
+void QtFileIconDrag::append( const QIconDragItem &item, const QRect &pr,
+                             const QRect &tr, const QString &url )
+{
+    QIconDrag::append( item, pr, tr );
+    QString ourUrl = url;
+#ifdef Q_WS_WIN
+    if (ourUrl.length() > 2 && ourUrl[1] != ':') {
+        QDir dir(ourUrl);
+        ourUrl = dir.absPath();
+    }
+#endif
+    urls << QUriDrag::localFileToUri(ourUrl);
+}
+
+/*****************************************************************************
+ *
+ * Class QtFileIconViewItem
+ *
+ *****************************************************************************/
+
+QtFileIconViewItem::QtFileIconViewItem( QtFileIconView *parent, QFileInfo *fi )
+    : QIconViewItem( parent, fi->fileName() ), itemFileName( fi->filePath() ),
+      itemFileInfo( fi ), checkSetText( FALSE )
+{
+    vm = QtFileIconView::Large;
+
+    if ( itemFileInfo->isDir() )
+        itemType = Dir;
+    else if ( itemFileInfo->isFile() )
+        itemType = File;
+    if ( itemFileInfo->isSymLink() )
+        itemType = Link;
+
+    viewModeChanged( ( (QtFileIconView*)iconView() )->viewMode() );
+
+    if ( itemFileInfo->fileName() == "." ||
+         itemFileInfo->fileName() == ".." )
+        setRenameEnabled( FALSE );
+
+    checkSetText = TRUE;
+
+    QObject::connect( &timer, SIGNAL( timeout() ),
+                      iconView(), SLOT( openFolder() ) );
+}
+
+void QtFileIconViewItem::paintItem( QPainter *p, const QColorGroup &cg )
+{
+    if ( itemFileInfo->isSymLink() ) {
+        QFont f( p->font() );
+        f.setItalic( TRUE );
+        p->setFont( f );
+    }
+
+    QIconViewItem::paintItem( p, cg );
+}
+
+void QtFileIconViewItem::viewModeChanged( QtFileIconView::ViewMode m )
+{
+    vm = m;
+    setDropEnabled( itemType == Dir && QDir( itemFileName ).isReadable() );
+    calcRect();
+}
+
+QPixmap *QtFileIconViewItem::pixmap() const
+{
+    switch ( itemType ) {
+    case Dir:
+        {
+            if ( !QDir( itemFileName ).isReadable() ) {
+                if ( vm == QtFileIconView::Small )
+                    return iconFolderLockedSmall;
+                else
+                    return iconFolderLockedLarge;
+            } else {
+                if ( vm == QtFileIconView::Small )
+                    return iconFolderSmall;
+                else
+                    return iconFolderLarge;
+            }
+        }
+    case Link:
+        {
+            if ( vm == QtFileIconView::Small )
+                return iconLinkSmall;
+            else
+                return iconLinkLarge;
+        }
+    default:
+        {
+            if ( vm == QtFileIconView::Small )
+                return iconFileSmall;
+            else
+                return iconFileLarge;
+        }
+    }
+}
+
+QtFileIconViewItem::~QtFileIconViewItem()
+{
+    delete itemFileInfo;
+}
+
+void QtFileIconViewItem::setText( const QString &text )
+{
+    if ( checkSetText ) {
+        if ( text == "." || text == "." || text.isEmpty() )
+            return;
+        QDir dir( itemFileInfo->dir() );
+        if ( dir.rename( itemFileInfo->fileName(), text ) ) {
+            itemFileName = itemFileInfo->dirPath( TRUE ) + "/" + text;
+            delete itemFileInfo;
+            itemFileInfo = new QFileInfo( itemFileName );
+            QIconViewItem::setText( text );
+        }
+    } else {
+        QIconViewItem::setText( text );
+    }
+}
+
+bool QtFileIconViewItem::acceptDrop( const QMimeSource *e ) const
+{
+    if ( type() == Dir && e->provides( "text/uri-list" ) &&
+         dropEnabled() )
+        return TRUE;
+
+    return FALSE;
+}
+
+void QtFileIconViewItem::dropped( QDropEvent *e, const QValueList<QIconDragItem> & )
+{
+    timer.stop();
+
+    if ( !QUriDrag::canDecode( e ) ) {
+        e->ignore();
+        return;
+    }
+
+    QStringList lst;
+    QUriDrag::decodeLocalFiles( e, lst );
+
+    QString str;
+    if ( e->action() == QDropEvent::Copy )
+        str = "Copy\n\n";
+    else
+        str = "Move\n\n";
+    for ( uint i = 0; i < lst.count(); ++i )
+        str += QString( "   %1\n" ).arg( lst[i] );
+    str += QString( "\n"
+        "To\n\n"
+        "       %1" ).arg( filename() );
+
+    QMessageBox::information( iconView(), e->action() == QDropEvent::Copy ? "Copy" : "Move" , str, "Not Implemented" );
+    if ( e->action() == QDropEvent::Move )
+        QMessageBox::information( iconView(), "Remove" , str, "Not Implemented" );
+    e->acceptAction();
+}
+
+void QtFileIconViewItem::dragEntered()
+{
+    if ( type() != Dir ||
+         type() == Dir && !QDir( itemFileName ).isReadable() )
+        return;
+
+    ( (QtFileIconView*)iconView() )->setOpenItem( this );
+    timer.start( 1500 );
+}
+
+void QtFileIconViewItem::dragLeft()
+{
+    if ( type() != Dir ||
+         type() == Dir && !QDir( itemFileName ).isReadable() )
+        return;
+
+    timer.stop();
+}
+
+/*****************************************************************************
+ *
+ * Class QtFileIconView
+ *
+ *****************************************************************************/
+
+QtFileIconView::QtFileIconView( const QString &dir, QWidget *parent, const char *name )
+    : QIconView( parent, name ), viewDir( dir ), newFolderNum( 0 )
+{
+    if ( !iconFolderLockedLarge ) {
+        qAddPostRoutine( cleanup );
+        QWMatrix m;
+        m.scale( 0.6, 0.6 );
+        QPixmap iconpix( folder_locked_icon );
+        iconFolderLockedLarge = new QPixmap( folder_locked_icon );
+        iconpix = iconpix.xForm( m );
+        iconFolderLockedSmall = new QPixmap( iconpix );
+        iconpix = QPixmap( folder_icon );
+        iconFolderLarge = new QPixmap( folder_icon );
+        iconpix = iconpix.xForm( m );
+        iconFolderSmall = new QPixmap( iconpix );
+        iconpix = QPixmap( file_icon );
+        iconFileLarge = new QPixmap( file_icon );
+        iconpix = iconpix.xForm( m );
+        iconFileSmall = new QPixmap( iconpix );
+        iconpix = QPixmap( link_icon );
+        iconLinkLarge = new QPixmap( link_icon );
+        iconpix = iconpix.xForm( m );
+        iconLinkSmall = new QPixmap( iconpix );
+    }
+
+    vm = Large;
+
+    setGridX( 75 );
+    setResizeMode( Adjust );
+    setWordWrapIconText( FALSE );
+
+    connect( this, SIGNAL( doubleClicked( QIconViewItem * ) ),
+             this, SLOT( itemDoubleClicked( QIconViewItem * ) ) );
+    connect( this, SIGNAL( returnPressed( QIconViewItem * ) ),
+             this, SLOT( itemDoubleClicked( QIconViewItem * ) ) );
+    connect( this, SIGNAL( dropped( QDropEvent *, const QValueList<QIconDragItem> & ) ),
+             this, SLOT( slotDropped( QDropEvent *, const QValueList<QIconDragItem> & ) ) );
+    connect( this, SIGNAL( contextMenuRequested( QIconViewItem *, const QPoint & ) ),
+             this, SLOT( slotRightPressed( QIconViewItem * ) ) );
+
+    setHScrollBarMode( AlwaysOff );
+    setVScrollBarMode( Auto );
+
+    setAutoArrange( TRUE );
+    setSorting( TRUE );
+    openItem = 0;
+}
+
+void QtFileIconView::openFolder()
+{
+    if ( !openItem )
+        return;
+    if ( openItem->type() != QtFileIconViewItem::Dir ||
+         openItem->type() == QtFileIconViewItem::Dir &&
+         !QDir( openItem->itemFileName ).isReadable() )
+        return;
+
+    openItem->timer.stop();
+    setDirectory( openItem->itemFileName );
+}
+
+void QtFileIconView::setDirectory( const QString &dir )
+{
+    viewDir = QDir( dir );
+    readDir( viewDir );
+}
+
+void QtFileIconView::setDirectory( const QDir &dir )
+{
+    viewDir = dir;
+    readDir( viewDir );
+}
+
+void QtFileIconView::newDirectory()
+{
+    setAutoArrange( FALSE );
+    selectAll( FALSE );
+    if ( viewDir.mkdir( QString( "New Folder %1" ).arg( ++newFolderNum ) ) ) {
+        QFileInfo *fi = new QFileInfo( viewDir, QString( "New Folder %1" ).arg( newFolderNum ) );
+        QtFileIconViewItem *item = new QtFileIconViewItem( this, new QFileInfo( *fi ) );
+        item->setKey( QString( "000000%1" ).arg( fi->fileName() ) );
+        delete fi;
+        repaintContents( contentsX(), contentsY(), contentsWidth(), contentsHeight(), FALSE );
+        ensureItemVisible( item );
+        item->setSelected( TRUE, TRUE );
+        setCurrentItem( item );
+        repaintItem( item );
+        qApp->processEvents();
+        item->rename();
+    }
+    setAutoArrange( TRUE );
+}
+
+QDir QtFileIconView::currentDir()
+{
+    return viewDir;
+}
+
+static bool isRoot( const QString &s )
+{
+#if defined(Q_OS_UNIX)
+    if ( s == "/" )
+        return TRUE;
+#elif defined(Q_OS_WIN32)
+    QString p = s;
+    if ( p.length() == 3 &&
+         p.right( 2 ) == ":/" )
+        return TRUE;
+    if ( p[ 0 ] == '/' && p[ 1 ] == '/' ) {
+        int slashes = p.contains( '/' );
+        if ( slashes <= 3 )
+            return TRUE;
+        if ( slashes == 4 && p[ (int)p.length() - 1 ] == '/' )
+            return TRUE;
+    }
+#endif
+
+    return FALSE;
+}
+
+void QtFileIconView::readDir( const QDir &dir )
+{
+    if ( !dir.isReadable() )
+        return;
+
+    if ( isRoot( dir.absPath() ) )
+        emit disableUp();
+    else
+        emit enableUp();
+
+    clear();
+
+    emit directoryChanged( dir.absPath() );
+
+    const QFileInfoList *filist = dir.entryInfoList( QDir::DefaultFilter, QDir::DirsFirst | QDir::Name );
+
+    emit startReadDir( filist->count() );
+
+    QFileInfoListIterator it( *filist );
+    QFileInfo *fi;
+    bool allowRename = FALSE, allowRenameSet = FALSE;
+    while ( ( fi = it.current() ) != 0 ) {
+        ++it;
+        if ( fi && fi->fileName() == ".." && ( fi->dirPath() == "/" || fi->dirPath().isEmpty() ) )
+            continue;
+        emit readNextDir();
+        QtFileIconViewItem *item = new QtFileIconViewItem( this, new QFileInfo( *fi ) );
+        if ( fi->isDir() )
+            item->setKey( QString( "000000%1" ).arg( fi->fileName() ) );
+        else
+            item->setKey( fi->fileName() );
+        if ( !allowRenameSet ) {
+            if ( !QFileInfo( fi->absFilePath() ).isWritable() ||
+                 item->text() == "." || item->text() == ".." )
+                allowRename = FALSE;
+            else
+                allowRename = TRUE;
+            if ( item->text() == "." || item->text() == ".." )
+                allowRenameSet = FALSE;
+            else
+                allowRenameSet = TRUE;
+        }
+        item->setRenameEnabled( allowRename );
+    }
+
+    if ( !QFileInfo( dir.absPath() ).isWritable() )
+        emit disableMkdir();
+    else
+        emit enableMkdir();
+
+    emit readDirDone();
+}
+
+void QtFileIconView::itemDoubleClicked( QIconViewItem *i )
+{
+    QtFileIconViewItem *item = ( QtFileIconViewItem* )i;
+
+    if ( item->type() == QtFileIconViewItem::Dir ) {
+        viewDir = QDir( item->filename() );
+        readDir( viewDir );
+    } else if ( item->type() == QtFileIconViewItem::Link &&
+                QFileInfo( QFileInfo( item->filename() ).readLink() ).isDir() ) {
+        viewDir = QDir( QFileInfo( item->filename() ).readLink() );
+        readDir( viewDir );
+    }
+}
+
+QDragObject *QtFileIconView::dragObject()
+{
+    if ( !currentItem() )
+        return 0;
+
+    QPoint orig = viewportToContents( viewport()->mapFromGlobal( QCursor::pos() ) );
+    QtFileIconDrag *drag = new QtFileIconDrag( viewport() );
+    drag->setPixmap( *currentItem()->pixmap(),
+                     QPoint( currentItem()->pixmapRect().width() / 2, currentItem()->pixmapRect().height() / 2 ) );
+    for ( QtFileIconViewItem *item = (QtFileIconViewItem*)firstItem(); item;
+          item = (QtFileIconViewItem*)item->nextItem() ) {
+        if ( item->isSelected() ) {
+            QIconDragItem id;
+            id.setData( QCString( item->filename() ) );
+            drag->append( id,
+                          QRect( item->pixmapRect( FALSE ).x() - orig.x(),
+                                 item->pixmapRect( FALSE ).y() - orig.y(),
+                                 item->pixmapRect().width(), item->pixmapRect().height() ),
+                          QRect( item->textRect( FALSE ).x() - orig.x(),
+                                 item->textRect( FALSE ).y() - orig.y(),
+                                 item->textRect().width(), item->textRect().height() ),
+                          QString( item->filename() ) );
+        }
+    }
+
+    return drag;
+}
+
+void QtFileIconView::keyPressEvent( QKeyEvent *e )
+{
+    if ( e->key() == Key_N &&
+         ( e->state() & ControlButton ) )
+        newDirectory();
+    else
+        QIconView::keyPressEvent( e );
+}
+
+void QtFileIconView::slotDropped( QDropEvent *e, const QValueList<QIconDragItem> & )
+{
+    if ( openItem )
+        openItem->timer.stop();
+    if ( !QUriDrag::canDecode( e ) ) {
+        e->ignore();
+        return;
+    }
+
+    QStringList lst;
+    QUriDrag::decodeLocalFiles( e, lst );
+
+    QString str;
+    if ( e->action() == QDropEvent::Copy )
+        str = "Copy\n\n";
+    else
+        str = "Move\n\n";
+    for ( uint i = 0; i < lst.count(); ++i )
+        str += QString( "   %1\n" ).arg( QDir::convertSeparators(lst[i]) );
+    str += QString( "\n"
+        "To\n\n"
+        "       %1" ).arg( viewDir.absPath() );
+
+    QMessageBox::information( this, e->action() == QDropEvent::Copy ? "Copy" : "Move" , str, "Not Implemented" );
+    if ( e->action() == QDropEvent::Move )
+        QMessageBox::information( this, "Remove" , QDir::convertSeparators(lst.join("\n")), "Not Implemented" );
+    e->acceptAction();
+    openItem = 0;
+}
+
+void QtFileIconView::viewLarge()
+{
+    setViewMode( Large );
+}
+
+void QtFileIconView::viewSmall()
+{
+    setViewMode( Small );
+}
+
+void QtFileIconView::viewBottom()
+{
+    setItemTextPos( Bottom );
+}
+
+void QtFileIconView::viewRight()
+{
+    setItemTextPos( Right );
+}
+
+void QtFileIconView::flowEast()
+{
+    setHScrollBarMode( AlwaysOff );
+    setVScrollBarMode( Auto );
+    setArrangement( LeftToRight );
+}
+
+void QtFileIconView::flowSouth()
+{
+    setVScrollBarMode( AlwaysOff );
+    setHScrollBarMode( Auto );
+    setArrangement( TopToBottom );
+}
+
+void QtFileIconView::sortAscending()
+{
+    sort( TRUE );
+}
+
+void QtFileIconView::sortDescending()
+{
+    sort( FALSE );
+}
+
+void QtFileIconView::itemTextTruncate()
+{
+    setWordWrapIconText( FALSE );
+}
+
+void QtFileIconView::itemTextWordWrap()
+{
+    setWordWrapIconText( TRUE );
+}
+
+void QtFileIconView::slotRightPressed( QIconViewItem *item )
+{
+    if ( !item ) { // right pressed on viewport
+        QPopupMenu menu( this );
+
+        menu.insertItem( "&Large view", this, SLOT( viewLarge() ) );
+        menu.insertItem( "&Small view", this, SLOT( viewSmall() ) );
+        menu.insertSeparator();
+        menu.insertItem( "Text at the &bottom", this, SLOT( viewBottom() ) );
+        menu.insertItem( "Text at the &right", this, SLOT( viewRight() ) );
+        menu.insertSeparator();
+        menu.insertItem( "Arrange l&eft to right", this, SLOT( flowEast() ) );
+        menu.insertItem( "Arrange t&op to bottom", this, SLOT( flowSouth() ) );
+        menu.insertSeparator();
+        menu.insertItem( "&Truncate item text", this, SLOT( itemTextTruncate() ) );
+        menu.insertItem( "&Wordwrap item text", this, SLOT( itemTextWordWrap() ) );
+        menu.insertSeparator();
+        menu.insertItem( "Arrange items in &grid", this, SLOT( arrangeItemsInGrid() ) );
+        menu.insertSeparator();
+        menu.insertItem( "Sort &ascending", this, SLOT( sortAscending() ) );
+        menu.insertItem( "Sort &descending", this, SLOT( sortDescending() ) );
+
+        menu.setMouseTracking( TRUE );
+        menu.exec( QCursor::pos() );
+    } else { // on item
+        QPopupMenu menu( this );
+
+        int RENAME_ITEM = menu.insertItem( "Rename Item" );
+        int REMOVE_ITEM = menu.insertItem( "Remove Item" );
+
+        menu.setMouseTracking( TRUE );
+        int id = menu.exec( QCursor::pos() );
+
+        if ( id == -1 )
+            return;
+
+        if ( id == RENAME_ITEM && item->renameEnabled() ) {
+            item->rename();
+        } else if ( id == REMOVE_ITEM ) {
+            delete item;
+            QMessageBox::information( this, "Not implemented!", "Deleting files not implemented yet,\n"
+                                      "The item has only been removed from the view! " );
+        }
+    }
+}
+
+void QtFileIconView::setViewMode( ViewMode m )
+{
+    if ( m == vm )
+        return;
+
+    vm = m;
+    QtFileIconViewItem *item = (QtFileIconViewItem*)firstItem();
+    for ( ; item; item = (QtFileIconViewItem*)item->nextItem() )
+        item->viewModeChanged( vm );
+
+    arrangeItemsInGrid();
+}
+
+ +

+

Header file of the main window: +

/****************************************************************************
+** $Id: qt/mainwindow.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 MAINWIN_H
+#define MAINWIN_H
+
+#include <qmainwindow.h>
+
+class QtFileIconView;
+class DirectoryView;
+class QProgressBar;
+class QLabel;
+class QComboBox;
+class QToolButton;
+
+class FileMainWindow : public QMainWindow
+{
+    Q_OBJECT
+
+public:
+    FileMainWindow();
+
+    QtFileIconView *fileView() { return fileview; }
+    DirectoryView *dirList() { return dirlist; }
+
+    void show();
+
+protected:
+    void setup();
+    void setPathCombo();
+
+    QtFileIconView *fileview;
+    DirectoryView *dirlist;
+    QProgressBar *progress;
+    QLabel *label;
+    QComboBox *pathCombo;
+    QToolButton *upButton, *mkdirButton;
+
+protected slots:
+    void directoryChanged( const QString & );
+    void slotStartReadDir( int dirs );
+    void slotReadNextDir();
+    void slotReadDirDone();
+    void cdUp();
+    void newFolder();
+    void changePath( const QString &path );
+    void enableUp();
+    void disableUp();
+    void enableMkdir();
+    void disableMkdir();
+
+};
+
+#endif
+
+ +

+

Implementation of the main window: +

/****************************************************************************
+** $Id: qt/mainwindow.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 "mainwindow.h"
+#include "qfileiconview.h"
+#include "../dirview/dirview.h"
+
+#include <qsplitter.h>
+#include <qprogressbar.h>
+#include <qlabel.h>
+#include <qstatusbar.h>
+#include <qtoolbar.h>
+#include <qcombobox.h>
+#include <qpixmap.h>
+#include <qtoolbutton.h>
+#include <qdir.h>
+#include <qfileinfo.h>
+
+static const char* cdtoparent_xpm[]={
+    "15 13 3 1",
+    ". c None",
+    "* c #000000",
+    "a c #ffff99",
+    "..*****........",
+    ".*aaaaa*.......",
+    "***************",
+    "*aaaaaaaaaaaaa*",
+    "*aaaa*aaaaaaaa*",
+    "*aaa***aaaaaaa*",
+    "*aa*****aaaaaa*",
+    "*aaaa*aaaaaaaa*",
+    "*aaaa*aaaaaaaa*",
+    "*aaaa******aaa*",
+    "*aaaaaaaaaaaaa*",
+    "*aaaaaaaaaaaaa*",
+    "***************"};
+
+static const char* newfolder_xpm[] = {
+    "15 14 4 1",
+    "   c None",
+    ".  c #000000",
+    "+  c #FFFF00",
+    "@  c #FFFFFF",
+    "          .    ",
+    "               ",
+    "          .    ",
+    "       .     . ",
+    "  ....  . . .  ",
+    " .+@+@.  . .   ",
+    "..........  . .",
+    ".@+@+@+@+@..   ",
+    ".+@+@+@+@+. .  ",
+    ".@+@+@+@+@.  . ",
+    ".+@+@+@+@+.    ",
+    ".@+@+@+@+@.    ",
+    ".+@+@+@+@+.    ",
+    "...........    "};
+
+FileMainWindow::FileMainWindow()
+    : QMainWindow()
+{
+    setup();
+}
+
+void FileMainWindow::show()
+{
+    QMainWindow::show();
+}
+
+void FileMainWindow::setup()
+{
+    QSplitter *splitter = new QSplitter( this );
+
+    dirlist = new DirectoryView( splitter, "dirlist", TRUE );
+    dirlist->addColumn( "Name" );
+    dirlist->addColumn( "Type" );
+    Directory *root = new Directory( dirlist, "/" );
+    root->setOpen( TRUE );
+    splitter->setResizeMode( dirlist, QSplitter::KeepSize );
+
+    fileview = new QtFileIconView( "/", splitter );
+    fileview->setSelectionMode( QIconView::Extended );
+
+    setCentralWidget( splitter );
+
+    QToolBar *toolbar = new QToolBar( this, "toolbar" );
+    setRightJustification( TRUE );
+
+    (void)new QLabel( tr( " Path: " ), toolbar );
+
+    pathCombo = new QComboBox( TRUE, toolbar );
+    pathCombo->setAutoCompletion( TRUE );
+    toolbar->setStretchableWidget( pathCombo );
+    connect( pathCombo, SIGNAL( activated( const QString & ) ),
+             this, SLOT ( changePath( const QString & ) ) );
+
+    toolbar->addSeparator();
+
+    QPixmap pix;
+
+    pix = QPixmap( cdtoparent_xpm );
+    upButton = new QToolButton( pix, "One directory up", QString::null,
+                                this, SLOT( cdUp() ), toolbar, "cd up" );
+
+    pix = QPixmap( newfolder_xpm );
+    mkdirButton = new QToolButton( pix, "New Folder", QString::null,
+                                   this, SLOT( newFolder() ), toolbar, "new folder" );
+
+    connect( dirlist, SIGNAL( folderSelected( const QString & ) ),
+             fileview, SLOT ( setDirectory( const QString & ) ) );
+    connect( fileview, SIGNAL( directoryChanged( const QString & ) ),
+             this, SLOT( directoryChanged( const QString & ) ) );
+    connect( fileview, SIGNAL( startReadDir( int ) ),
+             this, SLOT( slotStartReadDir( int ) ) );
+    connect( fileview, SIGNAL( readNextDir() ),
+             this, SLOT( slotReadNextDir() ) );
+    connect( fileview, SIGNAL( readDirDone() ),
+             this, SLOT( slotReadDirDone() ) );
+
+    setDockEnabled( DockLeft, FALSE );
+    setDockEnabled( DockRight, FALSE );
+
+    label = new QLabel( statusBar() );
+    statusBar()->addWidget( label, 2, TRUE );
+    progress = new QProgressBar( statusBar() );
+    statusBar()->addWidget( progress, 1, TRUE );
+
+    connect( fileview, SIGNAL( enableUp() ),
+             this, SLOT( enableUp() ) );
+    connect( fileview, SIGNAL( disableUp() ),
+             this, SLOT( disableUp() ) );
+    connect( fileview, SIGNAL( enableMkdir() ),
+             this, SLOT( enableMkdir() ) );
+    connect( fileview, SIGNAL( disableMkdir() ),
+             this, SLOT( disableMkdir() ) );
+}
+
+void FileMainWindow::setPathCombo()
+{
+    QString dir = caption();
+    int i = 0;
+    bool found = FALSE;
+    for ( i = 0; i < pathCombo->count(); ++i ) {
+        if ( pathCombo->text( i ) == dir) {
+            found = TRUE;
+            break;
+        }
+    }
+
+    if ( found )
+        pathCombo->setCurrentItem( i );
+    else {
+        pathCombo->insertItem( dir );
+        pathCombo->setCurrentItem( pathCombo->count() - 1 );
+    }
+
+}
+
+void FileMainWindow::directoryChanged( const QString &dir )
+{
+    setCaption( dir );
+    setPathCombo();
+}
+
+void FileMainWindow::slotStartReadDir( int dirs )
+{
+    label->setText( tr( " Reading Directory..." ) );
+    progress->reset();
+    progress->setTotalSteps( dirs );
+}
+
+void FileMainWindow::slotReadNextDir()
+{
+    int p = progress->progress();
+    progress->setProgress( ++p );
+}
+
+void FileMainWindow::slotReadDirDone()
+{
+    label->setText( tr( " Reading Directory Done." ) );
+    progress->setProgress( progress->totalSteps() );
+}
+
+void FileMainWindow::cdUp()
+{
+    QDir dir = fileview->currentDir();
+    dir.cd( ".." );
+    fileview->setDirectory( dir );
+}
+
+void FileMainWindow::newFolder()
+{
+    fileview->newDirectory();
+}
+
+void FileMainWindow::changePath( const QString &path )
+{
+    if ( QFileInfo( path ).exists() )
+        fileview->setDirectory( path );
+    else
+        setPathCombo();
+}
+
+void FileMainWindow::enableUp()
+{
+    upButton->setEnabled( TRUE );
+}
+
+void FileMainWindow::disableUp()
+{
+    upButton->setEnabled( FALSE );
+}
+
+void FileMainWindow::enableMkdir()
+{
+    mkdirButton->setEnabled( TRUE );
+}
+
+void FileMainWindow::disableMkdir()
+{
+    mkdirButton->setEnabled( FALSE );
+}
+
+ +

+

Main: +

/****************************************************************************
+** $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 "mainwindow.h"
+#include "qfileiconview.h"
+
+#include <qapplication.h>
+
+
+int main( int argc, char **argv )
+{
+    QApplication a( argc, argv );
+
+    FileMainWindow mw;
+    mw.resize( 680, 480 );
+    a.setMainWidget( &mw );
+    mw.fileView()->setDirectory( "/" );
+    mw.show();
+    return a.exec();
+}
+
+ +

See also Examples. + + +

+ +
Copyright © 2007 +TrolltechTrademarks +
Qt 3.3.8
+
+ -- cgit v1.2.3