[LyX/master] Enter subindex on Enter in index

[Juergen Spitzmueller]

commit 9dc9fa68ce74964c8f59e608286e99822c268c6b
Author: Juergen Spitzmueller <sp...@lyx.org>
Date:   Mon Oct 31 05:25:04 2022 +0100

    Enter subindex on Enter in index
---
 src/insets/InsetIndex.cpp |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)

diff --git a/src/insets/InsetIndex.cpp b/src/insets/InsetIndex.cpp
index dd29579..25dfb46 100644
--- a/src/insets/InsetIndex.cpp
+++ b/src/insets/InsetIndex.cpp
@@ -29,6 +29,7 @@
 #include "LaTeX.h"
 #include "LaTeXFeatures.h"
 #include "Lexer.h"
+#include "LyX.h"
 #include "output_latex.h"
 #include "output_xhtml.h"
 #include "xml.h"
@@ -579,6 +580,14 @@ void InsetIndex::doDispatch(Cursor & cur, FuncRequest & 
cmd)
                cur.bv().updateDialog("index", params2string(params_));
                break;
 
+       case LFUN_PARAGRAPH_BREAK: {
+               // Since this inset in single-par anyway, let's use
+               // return to enter subindexes
+               FuncRequest fr(LFUN_INDEXMACRO_INSERT, "subindex");
+               lyx::dispatch(fr);
+               break;
+       }
+
        default:
                InsetCollapsible::doDispatch(cur, cmd);
                break;
@@ -610,6 +619,9 @@ bool InsetIndex::getStatus(Cursor & cur, FuncRequest const 
& cmd,
                return true;
        }
        
+       case LFUN_PARAGRAPH_BREAK:
+               return macrosPossible("subindex");
+       
        case LFUN_INDEXMACRO_INSERT:
                return macrosPossible(cmd.getArg(0));
 
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