- fix: Can't copy by ctrl+dray&drop to current selection's begin/end

NEWS.md

@@ -11,6 +11,7 @@ Red Panda C++ Version 2.23
   - enhancement: improve pointer calculation when inferencing type info
   - enhancement: improve parsing for multiple vars defined in one line
   - enhancement: improve parsing result for function parameters like 'Node (&node)[10]'
+  - fix: Can't copy by ctrl+dray&drop to current selection's begin/end
 
 Red Panda C++ Version 2.22
 

libs/qsynedit/qsynedit/qsynedit.cpp

@@ -6386,7 +6386,13 @@ void QSynEdit::dropEvent(QDropEvent *event)
 
     BufferCoord coord = displayToBufferPos(pixelsToNearestRowColumn(event->pos().x(),
                                                                     event->pos().y()));
-    if (coord>=mDragSelBeginSave && coord<=mDragSelEndSave) {
+    if (
+            (event->proposedAction() == Qt::DropAction::CopyAction
+             && coord>mDragSelBeginSave && coord<mDragSelEndSave)
+             ||
+             (event->proposedAction() != Qt::DropAction::CopyAction
+             && coord>=mDragSelBeginSave && coord<=mDragSelEndSave)
+            ) {
         mDocument->deleteAt(mDocument->count()-1);
         //do nothing if drag onto itself
         event->acceptProposedAction();