From e1ca7733c32c31d2e438bc29a64b6d38dc92544c Mon Sep 17 00:00:00 2001
From: Richard Heck <rgheck@lyx.org>
Date: Tue, 12 Jul 2016 00:16:05 -0400
Subject: [PATCH] LFUN to toggle branch inversion status, now available from
 the context menu.

---
 lib/ui/stdcontext.inc      | 1 +
 src/FuncCode.h             | 1 +
 src/LyXAction.cpp          | 9 +++++++++
 src/insets/InsetBranch.cpp | 7 +++++++
 4 files changed, 18 insertions(+)

diff --git a/lib/ui/stdcontext.inc b/lib/ui/stdcontext.inc
index f1a0eafd07..ede63c517f 100644
--- a/lib/ui/stdcontext.inc
+++ b/lib/ui/stdcontext.inc
@@ -494,6 +494,7 @@ Menuset
 		OptItem "Deactivate Branch|e" "branch-deactivate"
 		OptItem "Activate Branch in Master|M" "branch-master-activate"
 		OptItem "Deactivate Branch in Master|v" "branch-master-deactivate"
+    OptItem "Toggle Inversion|I" "branch-invert"
 		OptItem "Add Unknown Branch|w" "branch-add"
 	End
 
diff --git a/src/FuncCode.h b/src/FuncCode.h
index 40ec9d3543..04f1671630 100644
--- a/src/FuncCode.h
+++ b/src/FuncCode.h
@@ -465,6 +465,7 @@ enum FuncCode
 	// 340
 	LFUN_BUFFER_MOVE_PREVIOUS,      // skostysh 20150408
 	LFUN_TABULAR_FEATURE,           // gm, 20151210
+	LFUN_BRANCH_INVERT,             // rgheck, 20160712
 	LFUN_LASTACTION                 // end of the table
 };
 
diff --git a/src/LyXAction.cpp b/src/LyXAction.cpp
index 3702810ba0..24687c79f0 100644
--- a/src/LyXAction.cpp
+++ b/src/LyXAction.cpp
@@ -3641,6 +3641,15 @@ void LyXAction::init()
 		{ LFUN_BRANCH_ADD, "branch-add", AtPoint, Buffer },
 
 
+/*!
+ * \var lyx::FuncCode lyx::LFUN_BRANCH_INVERT
+ * \li Action: Toggles inversion status of branch inset.
+ * \li Syntax: branch-invert
+ * \li Origin: rgheck, 12 July 2016
+ * \endvar
+ */
+		{ LFUN_BRANCH_INVERT, "branch-invert", AtPoint, Buffer },
+
 /*!
  * \var lyx::FuncCode lyx::LFUN_BRANCH_ACTIVATE
  * \li Action: Activate the branch.
diff --git a/src/insets/InsetBranch.cpp b/src/insets/InsetBranch.cpp
index 59423ce7ff..e02f09b625 100644
--- a/src/insets/InsetBranch.cpp
+++ b/src/insets/InsetBranch.cpp
@@ -188,6 +188,9 @@ void InsetBranch::doDispatch(Cursor & cur, FuncRequest & cmd)
 		}
 		break;
 	}
+	case LFUN_BRANCH_INVERT:
+		params_.inverted = !params_.inverted;
+		break;
 	case LFUN_BRANCH_ADD:
 		lyx::dispatch(FuncRequest(LFUN_BRANCH_ADD, params_.branch));
 		break;
@@ -220,6 +223,10 @@ bool InsetBranch::getStatus(Cursor & cur, FuncRequest const & cmd,
 		flag.setEnabled(known_branch && !isBranchSelected(true));
 		break;
 
+	case LFUN_BRANCH_INVERT:
+		flag.setEnabled(true);
+		break;
+
 	case LFUN_BRANCH_ADD:
 		flag.setEnabled(!known_branch);
 		break;