Revision: 13939
          http://sourceforge.net/p/skim-app/code/13939
Author:   hofman
Date:     2023-12-20 10:41:24 +0000 (Wed, 20 Dec 2023)
Log Message:
-----------
only change dragging leader index when dragging multiple items

Modified Paths:
--------------
    trunk/SKThumbnailView.m

Modified: trunk/SKThumbnailView.m
===================================================================
--- trunk/SKThumbnailView.m     2023-12-20 10:01:43 UTC (rev 13938)
+++ trunk/SKThumbnailView.m     2023-12-20 10:41:24 UTC (rev 13939)
@@ -448,7 +448,7 @@
             
             NSMutableArray *dragItems = [NSMutableArray array];
             NSDraggingItem *dragItem = [[NSDraggingItem alloc] 
initWithPasteboardWriter:item];
-            __block BOOL hasFirstItem = YES;
+            __block BOOL selectLeaderIndex = NO;
             
             [dragItem setDraggingFrame:[self draggingFrame] contents:[self 
draggingImage]];
             if (selectionIndexes == nil) {
@@ -466,10 +466,10 @@
                         SKThumbnailView *view = (SKThumbnailView 
*)[[collectionView itemAtIndexPath:[NSIndexPath indexPathForItem:idx 
inSection:0]] view];
                         if (view) {
                             rect = [self convertRect:[view draggingFrame] 
fromView:view];
+                            if (idx == firstIndex)
+                                selectLeaderIndex = YES;
                         } else {
                             rect = [self draggingFrame];
-                            if (idx == firstIndex)
-                                hasFirstItem = NO;
                         }
                         [dummyDragItem setDraggingFrame:rect contents:[view 
draggingImage]];
                         [dragItems addObject:dummyDragItem];
@@ -479,7 +479,7 @@
             
             NSDraggingSession *session = [self 
beginDraggingSessionWithItems:dragItems event:theEvent source:self];
             [session setDraggingFormation:NSDraggingFormationStack];
-            if (hasFirstItem)
+            if (selectLeaderIndex)
                 [session setDraggingLeaderIndex:0];
         }
         

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