Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdevelop@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 194 insertions, 0 deletions

diff --git a/buildtools/autotools/kfiledndiconview.cpp b/buildtools/autotools/kfiledndiconview.cpp
new file mode 100644
index 00000000..47bb32a9
--- /dev/null
+++ b/buildtools/autotools/kfiledndiconview.cpp
@@ -0,0 +1,194 @@
+/***************************************************************************
+*                        kfiledndiconview.cpp  -  description
+*                           -------------------
+*  begin                : Wed Nov 1 2000
+*  copyright            : (C) 2000 by Björn Sahlström
+*  email                : kbjorn@users.sourceforge.net
+***************************************************************************/
+
+/***************************************************************************
+*                                                                         *
+*   This program is free software; you can redistribute it and/or modify  *
+*   it under the terms of the GNU General Public License as published by  *
+*   the Free Software Foundation; either version 2 of the License, or     *
+*   (at your option) any later version.                                   *
+*                                                                         *
+***************************************************************************/
+
+//////////////////////////////////////////////////////
+// Qt specific includes
+#include <qptrlist.h>
+#include <qapplication.h>
+//////////////////////////////////////////////////////
+// KDE specific includes
+#include <kfileitem.h>
+#include <kiconloader.h>
+#include <kdebug.h>
+//////////////////////////////////////////////////////
+// Application specific includes
+#include "kfiledndiconview.h"
+
+#ifndef AUTO_OPEN_TIME
+#define AUTO_OPEN_TIME
+	static int autoOpenTime = 750;
+#endif
+//-----------------------------------------------
+KFileDnDIconView::KFileDnDIconView( QWidget *parent, const char *name )
+	: KFileIconView(parent,name), m_autoOpenTimer( this ),
+		m_autoOpenTime( autoOpenTime ), m_useAutoOpenTimer( true ),
+		m_dropItem(0), m_dndEnabled( true )
+{
+	setDnDEnabled( true );
+	setAutoUpdate( true );
+	useAutoOpenTimer( true );
+}
+//-----------------------------------------------
+KFileDnDIconView::~KFileDnDIconView(){
+}
+//-----------------------------------------------
+void KFileDnDIconView::readConfig( KConfig* config, const QString& group ) {
+	KConfigGroupSaver cs( config, group );
+	bool dnd = config->readBoolEntry("EnableDND", true );
+	setDnDEnabled( dnd );
+	KFileIconView::readConfig( config, group );
+}
+//-----------------------------------------------
+void KFileDnDIconView::writeConfig( KConfig* config, const QString& group ) {
+	KConfigGroupSaver cs( config, group );
+	config->writeEntry("EnableDND", m_dndEnabled );
+	KFileIconView::writeConfig( config, group );
+}
+//-----------------------------------------------
+void KFileDnDIconView::slotOpenFolder(){
+	if( m_useAutoOpenTimer ) {
+		m_autoOpenTimer.stop();
+		if( !m_dropItem )
+			return;
+	}
+	KFileItemListIterator it( * KFileView::items() );
+	for( ; it.current() ;++it ){
+		if( (*it)->name() == m_dropItem->text() ) {
+			if( (*it)->isFile() )
+				return;
+			else if( (*it)->isDir() || (*it)->isLink()) {
+				sig->activate( (*it) );
+				return;
+			}
+		}
+	}
+}
+//-----------------------------------------------
+void KFileDnDIconView::contentsDragEnterEvent( QDragEnterEvent *e ) {
+	if ( ! acceptDrag( e ) ) { // can we decode this ?
+		e->accept( false );            // No
+		return;
+	}
+	e->acceptAction();     // Yes
+	QIconViewItem *i = findItem( contentsToViewport( e->pos() ) );
+	if ( i && m_useAutoOpenTimer) {  // are we over an item ?
+		m_dropItem = i;  // set new m_dropItem
+		m_autoOpenTimer.start( m_autoOpenTime ); // restart timer
+	}
+}
+//-----------------------------------------------
+void KFileDnDIconView::contentsDragMoveEvent( QDragMoveEvent *e ) {
+	if ( ! acceptDrag( e ) ) { // can we decode this ?
+		e->accept( false ); // No
+		return;
+	}
+	e->acceptAction();     // Yes
+	QIconViewItem *i = findItem( contentsToViewport( e->pos() ) );
+	if( ! m_useAutoOpenTimer )
+		return;
+	if ( i ) {  // are we over an item ?
+		if ( i != m_dropItem ) { // if so, is it a new one ?
+			m_autoOpenTimer.stop(); // stop timer
+			m_dropItem = i;      // set new m_dropItem
+			m_autoOpenTimer.start( m_autoOpenTime ); // restart timer
+		}
+	}
+	else
+		m_autoOpenTimer.stop(); // stop timer
+}
+//-----------------------------------------------
+void KFileDnDIconView::contentsDragLeaveEvent( QDragLeaveEvent* ) {
+	if( m_useAutoOpenTimer ) {
+		m_autoOpenTimer.stop();
+		m_dropItem = 0L;
+	}
+}
+//-----------------------------------------------
+void KFileDnDIconView::contentsDropEvent( QDropEvent* e ) {
+	if( m_useAutoOpenTimer ) {
+		m_autoOpenTimer.stop();
+		m_dropItem = 0L;
+	}
+	if( ! acceptDrag( e ) ) {
+		e->acceptAction( false );
+		return;
+	}
+	e->acceptAction();				
+	// the drop was accepted so lets emit this
+	KURL::List urls;
+	KURLDrag::decode( e, urls );
+	emit dropped( e );
+}
+//-----------------------------------------------
+void KFileDnDIconView::startDrag(){
+	if ( ! currentItem() ) // is there any selected items ?
+		return;              // nope
+	dragObject()->dragCopy();   // start the drag
+}
+//-----------------------------------------------
+QDragObject* KFileDnDIconView::dragObject() {
+	// create a list of the URL:s that we want to drag
+	KURL::List urls;
+	KFileItemListIterator it( * KFileView::selectedItems() );
+	for ( ; it.current(); ++it ){
+		urls.append( (*it)->url() );
+	}
+	QPixmap pixmap;
+	if( urls.count() > 1 )
+		pixmap = DesktopIcon( "kmultiple", iconSize() );
+	if( pixmap.isNull() )
+		pixmap = currentFileItem()->pixmap( iconSize() );	
+	QPoint hotspot;
+	hotspot.setX( pixmap.width() / 2 );
+	hotspot.setY( pixmap.height() / 2 );
+	QDragObject* myDragObject = KURLDrag::newDrag( urls, widget() );
+	myDragObject->setPixmap( pixmap, hotspot );
+	return myDragObject;
+}
+//-----------------------------------------------
+void KFileDnDIconView::setAutoOpenTime( const int& time ){
+	m_autoOpenTime = time;
+	useAutoOpenTimer();
+}
+//-----------------------------------------------
+void KFileDnDIconView::useAutoOpenTimer( bool use ){
+	m_useAutoOpenTimer = use;
+	if ( use )
+		connect( &m_autoOpenTimer, SIGNAL( timeout() ),this, SLOT( slotOpenFolder() ) );
+	else {
+		disconnect( &m_autoOpenTimer, SIGNAL( timeout() ),this, SLOT( slotOpenFolder() ) );
+		m_dropItem = 0L;
+		m_autoOpenTimer.stop();
+	}
+}
+//-----------------------------------------------
+void KFileDnDIconView::setDnDEnabled( bool useDnD ){
+	m_dndEnabled = useDnD;
+	setAcceptDrops( useDnD );
+	viewport()->setAcceptDrops( useDnD );
+}
+//-----------------------------------------------
+bool KFileDnDIconView::acceptDrag(QDropEvent* e ) const {
+	return KURLDrag::canDecode( e ) &&
+				( e->action() == QDropEvent::Copy
+				|| e->action() == QDropEvent::Move
+				|| e->action() == QDropEvent::Link );
+}
+//-----------------------------------------------
+#ifndef NO_INCLUDE_MOCFILES
+#include "kfiledndiconview.moc"
+#endif