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QtBaseViewerDragDrop.cc
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48 \*===========================================================================*/
49
50
51
52 //=============================================================================
53 //
54 // CLASS QtBaseViewer - IMPLEMENTATION
55 //
56 //=============================================================================
57
58
59 //== INCLUDES =================================================================
60
61 #include "QtBaseViewer.hh"
62 #include <QDrag>
63 #include <QMimeData>
64
65 //== NAMESPACES ===============================================================
66
67 namespace ACG {
68 namespace QtWidgets {
69
70
71 //== IMPLEMENTATION ==========================================================
72
73 void QtBaseViewer::startDrag()
74 {
75 QString view;
76 encodeView(view);
77
78 QDrag * drag = new QDrag( this );
79 QMimeData * mime_data = new QMimeData();
80
81 mime_data->setText( view );
82 drag->setMimeData( mime_data );
83 drag->start();
84 }
85
86
87 void QtBaseViewer::glDragEnterEvent(QDragEnterEvent* _event)
88 {
89 if ( externalDrag_ ) {
90 emit dragEnterEvent(_event);
91 } else {
92 if ( _event->mimeData()->hasFormat("text/plain") )
93 _event->acceptProposedAction();
94 }
95 }
96
97
98 void QtBaseViewer::glDropEvent(QDropEvent* _event)
99 {
100 if ( externalDrag_ ) {
101 emit dropEvent( _event );
102 } else {
103 if ( _event->source() != this )
104 {
105 QString view( _event->mimeData()->text() );
106 decodeView(view);
107 _event->acceptProposedAction();
108 }
109 }
110 }
111
112 //=============================================================================
113 } // namespace QtWidgets
114 } // namespace ACG
115 //=============================================================================
ACG
Namespace providing different geometric functions concerning angles.
Definition: DBSCANT.cc:51
ACG::QtWidgets::QtBaseViewer::externalDrag_
bool externalDrag_
Definition: QtBaseViewer.hh:1062
ACG::QtWidgets::QtBaseViewer::dropEvent
void dropEvent(QDropEvent *_event)
ACG::QtWidgets::QtBaseViewer::glDropEvent
virtual void glDropEvent(QDropEvent *_event)
drag & drop for modelview copying
Definition: QtBaseViewerDragDrop.cc:98
ACG::QtWidgets::QtBaseViewer::dragEnterEvent
void dragEnterEvent(QDragEnterEvent *_event)
ACG::QtWidgets::QtBaseViewer::glDragEnterEvent
virtual void glDragEnterEvent(QDragEnterEvent *_event)
drag & drop for modelview copying
Definition: QtBaseViewerDragDrop.cc:87
ACG::QtWidgets::QtBaseViewer::encodeView
void encodeView(QString &_view)
convert current view to text representation
Definition: QtBaseViewer.cc:1346
ACG::QtWidgets::QtBaseViewer::decodeView
bool decodeView(const QString &_view)
Definition: QtBaseViewer.cc:1373
ACG::QtWidgets::QtBaseViewer::startDrag
virtual void startDrag()
drag & drop for modelview copying
Definition: QtBaseViewerDragDrop.cc:73