Developer Documentation

QtBaseViewerDragDrop.cc
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40 \*===========================================================================*/
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45
46 //=============================================================================
47 //
48 // CLASS QtBaseViewer - IMPLEMENTATION
49 //
50 //=============================================================================
51
52
53 //== INCLUDES =================================================================
54
55 #include "QtBaseViewer.hh"
56 #include <QDrag>
57 #include <QMimeData>
58
59 //== NAMESPACES ===============================================================
60
61 namespace ACG {
62 namespace QtWidgets {
63
64
65 //== IMPLEMENTATION ==========================================================
66
67 void QtBaseViewer::startDrag()
68 {
69 QString view;
70 encodeView(view);
71
72 QDrag * drag = new QDrag( this );
73 QMimeData * mime_data = new QMimeData();
74
75 mime_data->setText( view );
76 drag->setMimeData( mime_data );
77 drag->start();
78 }
79
80
81 void QtBaseViewer::glDragEnterEvent(QDragEnterEvent* _event)
82 {
83 if ( externalDrag_ ) {
84 emit dragEnterEvent(_event);
85 } else {
86 if ( _event->mimeData()->hasFormat("text/plain") )
87 _event->acceptProposedAction();
88 }
89 }
90
91
92 void QtBaseViewer::glDropEvent(QDropEvent* _event)
93 {
94 if ( externalDrag_ ) {
95 emit dropEvent( _event );
96 } else {
97 if ( _event->source() != this )
98 {
99 QString view( _event->mimeData()->text() );
100 decodeView(view);
101 _event->acceptProposedAction();
102 }
103 }
104 }
105
106 //=============================================================================
107 } // namespace QtWidgets
108 } // namespace ACG
109 //=============================================================================
ACG::QtWidgets::QtBaseViewer::decodeView
bool decodeView(const QString &_view)
Definition: QtBaseViewer.cc:1350
ACG::QtWidgets::QtBaseViewer::encodeView
void encodeView(QString &_view)
convert current view to text representation
Definition: QtBaseViewer.cc:1323
ACG::QtWidgets::QtBaseViewer::startDrag
virtual void startDrag()
drag & drop for modelview copying
Definition: QtBaseViewerDragDrop.cc:67
ACG
Namespace providing different geometric functions concerning angles.
Definition: BaseObjectData.hh:68
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:81
ACG::QtWidgets::QtBaseViewer::dropEvent
void dropEvent(QDropEvent *_event)
ACG::QtWidgets::QtBaseViewer::externalDrag_
bool externalDrag_
Definition: QtBaseViewer.hh:1061
ACG::QtWidgets::QtBaseViewer::glDropEvent
virtual void glDropEvent(QDropEvent *_event)
drag & drop for modelview copying
Definition: QtBaseViewerDragDrop.cc:92