From e0da7a310a9e7f05c7c75fa7b39f1fb110567d60 Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Mon, 8 Jul 2019 00:07:12 +0100
Subject: [PATCH] Fix flicker in timeline view when selecting (in some cases).

---
 src/wx/content_panel.cc | 10 ++++++++++
 src/wx/content_panel.h  |  1 +
 2 files changed, 11 insertions(+)

diff --git a/src/wx/content_panel.cc b/src/wx/content_panel.cc
index 41a18f4b4..a860b0079 100644
--- a/src/wx/content_panel.cc
+++ b/src/wx/content_panel.cc
@@ -89,6 +89,7 @@ ContentPanel::ContentPanel (wxNotebook* n, shared_ptr<Film> film, weak_ptr<FilmV
 	, _film_viewer (viewer)
 	, _generally_sensitive (true)
 	, _ignore_deselect (false)
+	, _no_check_selection (false)
 {
 	for (int i = 0; i < TEXT_COUNT; ++i) {
 		_text_panel[i] = 0;
@@ -303,6 +304,10 @@ ContentPanel::check_selection ()
 		return;
 	}
 
+	if (_no_check_selection) {
+		return;
+	}
+
 	_last_selected = selected ();
 
 	setup_sensitivity ();
@@ -662,6 +667,8 @@ ContentPanel::set_selection (weak_ptr<Content> wc)
 void
 ContentPanel::set_selection (ContentList cl)
 {
+	_no_check_selection = true;
+
 	ContentList content = _film->content ();
 	for (size_t i = 0; i < content.size(); ++i) {
 		if (find(cl.begin(), cl.end(), content[i]) != cl.end()) {
@@ -670,6 +677,9 @@ ContentPanel::set_selection (ContentList cl)
 			_content->SetItemState (i, 0, wxLIST_STATE_SELECTED);
 		}
 	}
+
+	_no_check_selection = false;
+	check_selection ();
 }
 
 void
diff --git a/src/wx/content_panel.h b/src/wx/content_panel.h
index 8277b7c42..761b34a24 100644
--- a/src/wx/content_panel.h
+++ b/src/wx/content_panel.h
@@ -124,4 +124,5 @@ private:
 	boost::weak_ptr<FilmViewer> _film_viewer;
 	bool _generally_sensitive;
 	bool _ignore_deselect;
+	bool _no_check_selection;
 };
-- 
2.30.2