lokdocview: Handle INVALIDATE_HEADER cb

With this calc gtktiledviewer or any other lok client shouldn't crash
anymore when a new view is opened.

And while at it, update documentation of callbacks.

Change-Id: I436c3b424dd4e2e6b8c312b0d3ba43d7006e944b
(cherry picked from commit 71cd37fad9792038279969c82e0cb209df06f024)
Reviewed-on: https://gerrit.libreoffice.org/46952
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>

1 files changed, 3 insertions, 3 deletions

diff --git a/include/LibreOfficeKit/LibreOfficeKitEnums.h b/include/LibreOfficeKit/LibreOfficeKitEnums.h
index 300b71bb01ff..6169a53afd3c 100644
--- a/include/LibreOfficeKit/LibreOfficeKitEnums.h
+++ b/include/LibreOfficeKit/LibreOfficeKitEnums.h
@@ -498,14 +498,14 @@ typedef enum
      * The column/row header is no more valid because of a column/row insertion
      * or a similar event. Clients must query a new column/row header set.
      *
-     * The payload says if we are invalidating a row or column header.
+     * The payload says if we are invalidating a row or column header. So,
+     * payload values can be: "row", "column", "all".
      */
     LOK_CALLBACK_INVALIDATE_HEADER = 33,
     /**
-     * The text content of the address field in Calc.
+     * The text content of the address field in Calc. Eg: "A7"
      */
     LOK_CALLBACK_CELL_ADDRESS = 34
-
 }
 LibreOfficeKitCallbackType;