[LyX/master] Mark inverted branch insets

[Yuriy Skalko]

commit 54028c3eea9bdba9f4f851eb339933b1e8e1cfec
Author: Yuriy Skalko <yuriy.skalko at gmail.com>
Date:   Thu Oct 21 12:56:05 2021 +0300

    Mark inverted branch insets
---
 lib/doc/UserGuide.lyx      |   14 ++++++++++++--
 src/insets/InsetBranch.cpp |    6 ++++--
 2 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/lib/doc/UserGuide.lyx b/lib/doc/UserGuide.lyx
index b3e93e8..123c09a 100644
--- a/lib/doc/UserGuide.lyx
+++ b/lib/doc/UserGuide.lyx
@@ -35523,8 +35523,18 @@ There are also inverted branch insets, whose content is output just in case
 \emph on
 not
 \emph default
- activated.
- This make it easy to add alternative text for different versions of a document.
+ activated
+\change_inserted 244031559 1635284375
+ (they are marked with ~ before the name)
+\change_unchanged
+.
+ 
+\change_deleted 244031559 1635284383
+This
+\change_inserted 244031559 1635284385
+Such insets
+\change_unchanged
+ make it easy to add alternative text for different versions of a document.
  To control whether a particular inset is inverted, right-click on the inset
  button and choose 
 \family sans
diff --git a/src/insets/InsetBranch.cpp b/src/insets/InsetBranch.cpp
index 95f7ba9..66cc6ef 100644
--- a/src/insets/InsetBranch.cpp
+++ b/src/insets/InsetBranch.cpp
@@ -112,8 +112,10 @@ docstring const InsetBranch::buttonLabel(BufferView const &) const
 	if (inchild && master_selected != child_selected)
 		symb += (child_selected ? tick : cross);
 
+    docstring inv_symb = from_ascii(params_.inverted ? "~" : "");
+
 	if (decoration() == InsetDecoration::MINIMALISTIC)
-		return symb + params_.branch;
+		return symb + inv_symb + params_.branch;
 
 	docstring s;
 	if (inmaster && inchild)
@@ -124,7 +126,7 @@ docstring const InsetBranch::buttonLabel(BufferView const &) const
 		s = _("Branch (master): ");
 	else // !inmaster && !inchild
 		s = _("Branch (undefined): ");
-	s += params_.branch;
+	s += inv_symb + params_.branch;
 
 	return symb + s;
 }