Fix dragging item frame

Author: krzyzanowskim

Sources/STTextViewAppKit/STTextLayoutRangeView.swift

@@ -30,8 +30,8 @@ open class STTextLayoutRangeView: NSView {
         var frame: CGRect = textLayoutManager.textSegmentFrame(in: self.textRange, type: .standard)!
         textLayoutManager.enumerateTextLayoutFragments(in: self.textRange) { textLayoutFragment in
             frame = CGRect(
-                x: min(frame.origin.x, textLayoutFragment.layoutFragmentFrame.minX),
-                y: min(frame.origin.y, textLayoutFragment.layoutFragmentFrame.minY),
+                x: 0,
+                y: 0,
                 width: max(frame.size.width, textLayoutFragment.layoutFragmentFrame.maxX + textLayoutFragment.leadingPadding + textLayoutFragment.trailingPadding),
                 height: max(frame.size.height, textLayoutFragment.layoutFragmentFrame.maxY + textLayoutFragment.topMargin + textLayoutFragment.bottomMargin)
             )

Sources/STTextViewAppKit/STTextView+DragGestureRecognizer.swift

@@ -22,8 +22,10 @@ extension STTextView {
         let rangeView = STTextLayoutRangeView(textLayoutManager: textLayoutManager, textRange: textRange)
         let draggingImage = rangeView.image()
 
+        let draggingFrame = gestureRecognizer.view?.convert(rangeView.frame, from: contentView) ?? rangeView.frame
+
         let draggingItem = NSDraggingItem(pasteboardWriter: selectionsAttributedString)
-        draggingItem.setDraggingFrame(rangeView.frame, contents: draggingImage)
+        draggingItem.setDraggingFrame(draggingFrame, contents: draggingImage)
 
         draggingSession = beginDraggingSession(with: [draggingItem], event: NSApp.currentEvent!, source: self)
     }