1 files changed, 187 insertions, 0 deletions
diff --git a/examples/iconview/simple_dd/main.cpp b/examples/iconview/simple_dd/main.cpp
new file mode 100644
index 0000000..7435818
--- /dev/null
+++ b/examples/iconview/simple_dd/main.cpp
@@ -0,0 +1,187 @@
+/****************************************************************************
+**
+** Copyright (C) 1992-2008 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 "main.h"
+
+const char* red_icon[]={
+"16 16 2 1",
+"r c red",
+". c None",
+"................",
+"................",
+"..rrrrrrrrrrrr..",
+"..rrrrrrrrrrrr..",
+"..rrrrrrrrrrrr..",
+"..rrr......rrr..",
+"..rrr......rrr..",
+"..rrr......rrr..",
+"..rrr......rrr..",
+"..rrr......rrr..",
+"..rrr......rrr..",
+"..rrrrrrrrrrrr..",
+"..rrrrrrrrrrrr..",
+"..rrrrrrrrrrrr..",
+"................",
+"................"};
+
+const char* blue_icon[]={
+"16 16 2 1",
+"b c blue",
+". c None",
+"................",
+"................",
+"..bbbbbbbbbbbb..",
+"..bbbbbbbbbbbb..",
+"..bbbbbbbbbbbb..",
+"..bbb......bbb..",
+"..bbb......bbb..",
+"..bbb......bbb..",
+"..bbb......bbb..",
+"..bbb......bbb..",
+"..bbb......bbb..",
+"..bbbbbbbbbbbb..",
+"..bbbbbbbbbbbb..",
+"..bbbbbbbbbbbb..",
+"................",
+"................"};
+
+const char* green_icon[]={
+"16 16 2 1",
+"g c green",
+". c None",
+"................",
+"................",
+"..gggggggggggg..",
+"..gggggggggggg..",
+"..gggggggggggg..",
+"..ggg......ggg..",
+"..ggg......ggg..",
+"..ggg......ggg..",
+"..ggg......ggg..",
+"..ggg......ggg..",
+"..ggg......ggg..",
+"..gggggggggggg..",
+"..gggggggggggg..",
+"..gggggggggggg..",
+"................",
+"................"};
+
+
+// ListBox -- low level drag and drop
+
+DDListBox::DDListBox( QWidget * parent, const char * name, WFlags f ) :
+    QListBox( parent, name, f )
+{
+    setAcceptDrops( TRUE );
+    dragging = FALSE;
+}
+
+
+void DDListBox::dragEnterEvent( QDragEnterEvent *evt )
+{
+    if ( QTextDrag::canDecode( evt ) ) 
+	evt->accept();
+}
+
+
+void DDListBox::dropEvent( QDropEvent *evt )
+{
+    QString text;
+
+    if ( QTextDrag::decode( evt, text ) ) 
+	insertItem( text );
+}
+
+
+void DDListBox::mousePressEvent( QMouseEvent *evt )
+{
+    QListBox::mousePressEvent( evt );
+    dragging = TRUE;
+}
+
+
+void DDListBox::mouseMoveEvent( QMouseEvent * )
+{
+    if ( dragging ) {
+	QDragObject *d = new QTextDrag( currentText(), this );
+	d->dragCopy(); // do NOT delete d.
+	dragging = FALSE;
+    }
+}
+
+
+// IconViewIcon -- high level drag and drop
+
+
+bool DDIconViewItem::acceptDrop( const QMimeSource *mime ) const
+{
+    if ( mime->provides( "text/plain" ) )
+	return TRUE;
+    return FALSE;
+}
+
+
+void DDIconViewItem::dropped( QDropEvent *evt, const QValueList<QIconDragItem>& )
+{
+    QString label;
+
+    if ( QTextDrag::decode( evt, label ) ) 
+	setText( label );
+}
+
+
+// IconView -- high level drag and drop
+
+QDragObject *DDIconView::dragObject()
+{
+  return new QTextDrag( currentItem()->text(), this );
+}
+
+void DDIconView::slotNewItem( QDropEvent *evt, const QValueList<QIconDragItem>& )
+{
+    QString label;
+
+    if ( QTextDrag::decode( evt, label ) ) {
+	DDIconViewItem *item = new DDIconViewItem( this, label );
+	item->setRenameEnabled( TRUE );
+    }
+}
+
+
+
+int main( int argc, char *argv[] )
+{
+    QApplication app( argc, argv );
+
+    // Create and show the widgets
+    QSplitter *split = new QSplitter();
+    DDIconView *iv   = new DDIconView( split );
+    (void)	       new DDListBox( split );
+    app.setMainWidget( split );
+    split->resize( 600, 400 );
+    split->show();
+
+    // Set up the connection so that we can drop items into the icon view
+    QObject::connect( 
+	iv, SIGNAL(dropped(QDropEvent*, const QValueList<QIconDragItem>&)), 
+	iv, SLOT(slotNewItem(QDropEvent*, const QValueList<QIconDragItem>&)));
+
+    // Populate the QIconView with icons
+    DDIconViewItem *item;
+    item = new DDIconViewItem( iv, "Red",   QPixmap( red_icon ) );
+    item->setRenameEnabled( TRUE );
+    item = new DDIconViewItem( iv, "Green", QPixmap( green_icon ) );
+    item->setRenameEnabled( TRUE );
+    item = new DDIconViewItem( iv, "Blue",  QPixmap( blue_icon ) );
+    item->setRenameEnabled( TRUE );
+
+    return app.exec();
+}
+
+