GH-988 add ability to toggle mods with keyboard

api/logic/minecraft/mod/ModFolderModel.cpp

@@ -312,15 +312,29 @@ bool ModFolderModel::enableMods(const QModelIndexList& indexes, bool enable)
     if(indexes.isEmpty())
         return true;
 
-    for (auto i: indexes)
+    for (auto index: indexes)
     {
-        Mod &m = mods[i.row()];
+        Mod &m = mods[index.row()];
         m.enable(enable);
-        emit dataChanged(i, i);
+        emit dataChanged(index, index);
     }
     return true;
 }
 
+void ModFolderModel::toggleEnabled(const QModelIndex& index)
+{
+    if(interaction_disabled) {
+        return;
+    }
+    if(!index.isValid()) {
+        return;
+    }
+
+    Mod &m = mods[index.row()];
+    m.enable(!m.enabled());
+    emit dataChanged(index, index);
+}
+
 bool ModFolderModel::deleteMods(const QModelIndexList& indexes)
 {
     if(interaction_disabled) {

api/logic/minecraft/mod/ModFolderModel.h

@@ -82,7 +82,7 @@ public:
     }
 
     /// Reloads the mod list and returns true if the list changed.
-    virtual bool update();
+    bool update();
 
     /**
      * Adds the given mod to the list at the given index - if the list supports custom ordering
@@ -90,15 +90,16 @@ public:
     bool installMod(const QString& filename);
 
     /// Deletes all the selected mods
-    virtual bool deleteMods(const QModelIndexList &indexes);
+    bool deleteMods(const QModelIndexList &indexes);
 
     /// Enable or disable listed mods
-    virtual bool enableMods(const QModelIndexList &indexes, bool enable = true);
+    bool enableMods(const QModelIndexList &indexes, bool enable = true);
+    void toggleEnabled(const QModelIndex &index);
 
     void startWatching();
     void stopWatching();
 
-    virtual bool isValid();
+    bool isValid();
 
     QDir dir()
     {