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73 lines
1.7 KiB
73 lines
1.7 KiB
#include <qdragobject.h>
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#include <qapplication.h>
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#include "listview.h"
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#include "dnd.h"
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ListView::ListView( QWidget* parent, const char* name )
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: QListView( parent, name )
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{
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setAcceptDrops( TRUE );
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setSorting( -1, FALSE );
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dragging = FALSE;
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}
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ListView::~ListView()
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{
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}
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void ListView::dragEnterEvent( QDragEnterEvent *e )
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{
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if ( e->provides( "text/dragdemotag" ) )
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e->accept();
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}
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void ListView::dropEvent( QDropEvent *e )
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{
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if ( !e->provides( "text/dragdemotag" ) )
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return;
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QString tag;
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if ( QTextDrag::decode( e, tag ) ) {
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IconItem item = ((DnDDemo*) parentWidget())->findItem( tag );
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QListViewItem *after = itemAt( viewport()->mapFromParent( e->pos() ) );
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ListViewItem *litem = new ListViewItem( this, after, item.name(), tag );
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litem->setPixmap( 0, *item.pixmap() );
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}
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}
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void ListView::contentsMousePressEvent( QMouseEvent *e )
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{
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QListView::contentsMousePressEvent( e );
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dragging = TRUE;
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pressPos = e->pos();
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}
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void ListView::contentsMouseMoveEvent( QMouseEvent *e )
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{
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QListView::contentsMouseMoveEvent( e );
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if ( ! dragging ) return;
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if ( !currentItem() ) return;
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if ( ( pressPos - e->pos() ).manhattanLength() > QApplication::startDragDistance() ) {
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QTextDrag *drg = new QTextDrag( ((ListViewItem*)currentItem())->tag(), this );
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const QPixmap *p = ((ListViewItem*)currentItem())->pixmap( 0 );
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if (p)
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drg->setPixmap(*p);
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drg->setSubtype( "dragdemotag" );
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drg->dragCopy();
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dragging = FALSE;
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}
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}
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void ListView::contentsMouseReleaseEvent( QMouseEvent *e )
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{
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QListView::contentsMouseReleaseEvent( e );
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dragging = FALSE;
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}
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