Make sure the remapping keycode is reset to NoSymbol.

Previously the dtor of AutoTypePlatformX11 wasn't called.

src/autotype/AutoType.cpp

@@ -57,11 +57,16 @@ AutoType::AutoType(QObject* parent, bool test)
     if (!pluginPath.isEmpty()) {
         loadPlugin(pluginPath);
     }
+
+    connect(qApp, SIGNAL(aboutToQuit()), SLOT(unloadPlugin()));
 }
 
 AutoType::~AutoType()
 {
+    if (m_executor) {
         delete m_executor;
+        m_executor = Q_NULLPTR;
+    }
 }
 
 void AutoType::loadPlugin(const QString& pluginPath)
@@ -215,6 +220,19 @@ void AutoType::resetInAutoType()
     m_inAutoType = false;
 }
 
+void AutoType::unloadPlugin()
+{
+    if (m_executor) {
+        delete m_executor;
+        m_executor = Q_NULLPTR;
+    }
+
+    if (m_plugin) {
+        m_plugin->unload();
+        m_plugin = Q_NULLPTR;
+    }
+}
+
 bool AutoType::registerGlobalShortcut(Qt::Key key, Qt::KeyboardModifiers modifiers)
 {
     Q_ASSERT(key);

src/autotype/AutoType.h

@@ -59,6 +59,7 @@ Q_SIGNALS:
 private Q_SLOTS:
     void performAutoTypeFromGlobal(Entry* entry, const QString& sequence);
     void resetInAutoType();
+    void unloadPlugin();
 
 private:
     explicit AutoType(QObject* parent = Q_NULLPTR, bool test = false);

src/autotype/AutoTypePlatformPlugin.h

@@ -33,6 +33,7 @@ public:
     virtual void unregisterGlobalShortcut(Qt::Key key, Qt::KeyboardModifiers modifiers) = 0;
     virtual int platformEventFilter(void* event) = 0;
     virtual int initialTimeout() = 0;
+    virtual void unload() {}
 
     virtual AutoTypeExecutor* createExecutor() = 0;
 

src/autotype/x11/AutoTypeX11.cpp

@@ -49,16 +49,26 @@ AutoTypePlatformX11::AutoTypePlatformX11()
     m_specialCharacterKeycode = 0;
     m_modifierMask = ControlMask | ShiftMask | Mod1Mask | Mod4Mask;
 
+    m_loaded = true;
+
     updateKeymap();
 }
 
-/*
- * Restore the KeyboardMapping to its original state.
- */
-AutoTypePlatformX11::~AutoTypePlatformX11() {
+void AutoTypePlatformX11::unload()
+{
+    // Restore the KeyboardMapping to its original state.
     AddKeysym(NoSymbol);
-}
 
+    if (m_keysymTable) {
+        XFree(m_keysymTable);
+    }
+
+    if (m_xkb) {
+        XkbFreeKeyboard(m_xkb, XkbAllComponentsMask, True);
+    }
+
+    m_loaded = false;
+}
 
 QStringList AutoTypePlatformX11::windowTitles()
 {
@@ -168,13 +178,14 @@ int AutoTypePlatformX11::platformEventFilter(void* event)
             && m_currentGlobalKey
             && xevent->xkey.keycode == m_currentGlobalKeycode
             && (xevent->xkey.state & m_modifierMask) == m_currentGlobalNativeModifiers
-            && !QApplication::focusWidget()) {
+            && !QApplication::focusWidget()
+            && m_loaded) {
         if (xevent->type == KeyPress) {
             Q_EMIT globalShortcutTriggered();
         }
         return 1;
     }
-    if (xevent->type == MappingNotify) {
+    if (xevent->type == MappingNotify && m_loaded) {
         XRefreshKeyboardMapping(reinterpret_cast<XMappingEvent*>(xevent));
         updateKeymap();
     }

src/autotype/x11/AutoTypeX11.h

@@ -42,7 +42,7 @@ class AutoTypePlatformX11 : public QObject, public AutoTypePlatformInterface
 
 public:
     AutoTypePlatformX11();
-    ~AutoTypePlatformX11();
+    void unload() Q_DECL_OVERRIDE;
     QStringList windowTitles();
     WId activeWindow();
     QString activeWindowTitle();
@@ -109,6 +109,7 @@ private:
     /* dedicated 'special character' keycode */
     int m_specialCharacterKeycode;
     KeyCode m_modifier_keycode[N_MOD_INDICES];
+    bool m_loaded;
 };
 
 class AutoTypeExecturorX11 : public AutoTypeExecutor