[LyX/master] Account for changes in insets when checking changes in selection

[Juergen Spitzmueller]

commit 228d738868991092c34d9924707594ede19c44cb
Author: Juergen Spitzmueller <spitz at lyx.org>
Date:   Fri Mar 6 10:53:54 2020 +0100

    Account for changes in insets when checking changes in selection
    
    This is not ideal, see FIXME.
    
    Fixes #11774
---
 src/Paragraph.cpp |   18 ++++++++++++++++++
 src/Paragraph.h   |    2 ++
 src/Text3.cpp     |    4 ++++
 3 files changed, 24 insertions(+), 0 deletions(-)

diff --git a/src/Paragraph.cpp b/src/Paragraph.cpp
index 710587b..27d1230 100644
--- a/src/Paragraph.cpp
+++ b/src/Paragraph.cpp
@@ -598,6 +598,24 @@ bool Paragraph::isChanged(pos_type start, pos_type end) const
 	return d->changes_.isChanged(start, end);
 }
 
+// FIXME: Ideally the diverse isChanged() methods should account for that!
+bool Paragraph::hasChangedInsets(pos_type start, pos_type end) const
+{
+	LASSERT(start >= 0 && start <= size(), return false);
+	LASSERT(end > start && end <= size() + 1, return false);
+
+	InsetList::const_iterator icit = d->insetlist_.begin();
+	InsetList::const_iterator iend = d->insetlist_.end();
+	for (; icit != iend; ++icit) {
+		if (icit->pos < start)
+			continue;
+		if (icit->pos >= end)
+			break;
+		if (icit->inset && icit->inset->isChanged())
+			return true;
+	}
+	return false;
+}
 
 bool Paragraph::isChanged() const
 {
diff --git a/src/Paragraph.h b/src/Paragraph.h
index 297bff3..d5c02e4 100644
--- a/src/Paragraph.h
+++ b/src/Paragraph.h
@@ -262,6 +262,8 @@ public:
 	/// is there a change within the given range (does not
 	/// check contained paragraphs)
 	bool isChanged(pos_type start, pos_type end) const;
+	/// Are there insets containing changes in the range?
+	bool hasChangedInsets(pos_type start, pos_type end) const;
 	/// is there an unchanged char at the given pos ?
 	bool isChanged(pos_type pos) const;
 	/// is there a change in the paragraph ?
diff --git a/src/Text3.cpp b/src/Text3.cpp
index 1e0180c..81b0132 100644
--- a/src/Text3.cpp
+++ b/src/Text3.cpp
@@ -3364,6 +3364,10 @@ bool Text::getStatus(Cursor & cur, FuncRequest const & cmd,
 					enable = true;
 					break;
 				}
+				if (beg != end && it.paragraph().hasChangedInsets(beg, end)) {
+					enable = true;
+					break;
+				}
 				if (in_last_par)
 					break;
 			}