From e0df583c14941ad355a127c47e978f0c968d1c93 Mon Sep 17 00:00:00 2001
From: Automatic Release Builder <build@flightgear.org>
Date: Wed, 7 Oct 2020 18:35:04 +0100
Subject: [PATCH] Launcher: fix appearance of disabled add-ons.

Spotted by Michael Danilov
---
 src/GUI/AddonsModel.cxx        | 14 ++++++++++----
 src/GUI/qml/AddOnsDelegate.qml |  2 ++
 2 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/src/GUI/AddonsModel.cxx b/src/GUI/AddonsModel.cxx
index c879184af..c846fe1a0 100644
--- a/src/GUI/AddonsModel.cxx
+++ b/src/GUI/AddonsModel.cxx
@@ -208,18 +208,24 @@ QHash<int, QByteArray> AddonsModel::roleNames() const
     return m_roleToName;
 }
 
-void AddonsModel::enable(int index, bool enable)
+void AddonsModel::enable(int row, bool enable)
 {
-    if ((index < 0) || (index >= m_addonsList.size())) {
+    if ((row < 0) || (row >= m_addonsList.size())) {
         return;
     }
 
-    auto path = m_addonsList[index];
+    auto path = m_addonsList[row];
     if (!m_addonsMap.contains(path))
         return;
 
-    m_addonsMap[path].enable = enable && checkVersion(path);
+    const bool wasEnabled = m_addonsMap[path].enable;
+    const bool nowEnabled = enable && checkVersion(path);
+    if (wasEnabled == nowEnabled)
+        return;
 
+    m_addonsMap[path].enable = nowEnabled;
+    const auto mindex = index(row, 0);
+    emit dataChanged(mindex, mindex, {EnableRole});
     emit modulesChanged();
 }
 
diff --git a/src/GUI/qml/AddOnsDelegate.qml b/src/GUI/qml/AddOnsDelegate.qml
index 161065de6..ac7f2b859 100644
--- a/src/GUI/qml/AddOnsDelegate.qml
+++ b/src/GUI/qml/AddOnsDelegate.qml
@@ -75,6 +75,8 @@ Item {
                 anchors.rightMargin: Style.margin
                 height: contentRect.height
 
+                font.strikeout: !model.enable
+
                 verticalAlignment: Text.AlignVCenter
                 wrapMode: Text.WordWrap
             }