[LyX/master] Handle change-accept and change-reject in multi-cell selection

[Juergen Spitzmueller]

commit da5ad1736ad3bd51719c92c525cc7d9122b36f7b
Author: Juergen Spitzmueller <spitz at lyx.org>
Date:   Fri Dec 27 12:05:56 2019 +0100

    Handle change-accept and change-reject in multi-cell selection
    
    Fixes #8426
---
 src/insets/InsetTabular.cpp |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/src/insets/InsetTabular.cpp b/src/insets/InsetTabular.cpp
index c59f642..80d2e7c 100644
--- a/src/insets/InsetTabular.cpp
+++ b/src/insets/InsetTabular.cpp
@@ -5039,6 +5039,8 @@ void InsetTabular::doDispatch(Cursor & cur, FuncRequest & cmd)
 		}
 		break;
 
+	case LFUN_CHANGE_ACCEPT:
+	case LFUN_CHANGE_REJECT:
 	case LFUN_FONT_EMPH:
 	case LFUN_FONT_BOLD:
 	case LFUN_FONT_BOLDSYMBOL:
@@ -5083,6 +5085,10 @@ void InsetTabular::doDispatch(Cursor & cur, FuncRequest & cmd)
 					cell(tmpcur.idx())->dispatch(tmpcur, cmd);
 				}
 			}
+			if (act == LFUN_CHANGE_ACCEPT || act == LFUN_CHANGE_REJECT) {
+				// cursor might be invalid
+				cur.fixIfBroken();
+			}
 			break;
 		} else {
 			cell(cur.idx())->dispatch(cur, cmd);