refactor: define EventQueueTimer to its own header not once per IEventQueue impl

src/lib/base/CMakeLists.txt

@@ -11,6 +11,7 @@ add_library(base STATIC
   Event.h
   EventQueue.cpp
   EventQueue.h
+  EventQueueTimer.h
   EventTypes.h
   FinalAction.h
   FunctionEventJob.cpp

src/lib/base/EventQueueTimer.h

@@ -0,0 +1,15 @@
+/*
+ * Deskflow -- mouse and keyboard sharing utility
+ * SPDX-FileCopyrightText: (C) 2025 Deskflow Developers
+ * SPDX-FileCopyrightText: (C) 2023 Inputleap Contributors
+ * SPDX-FileCopyrightText: (C) 2012 - 2016 Symless Ltd.
+ * SPDX-License-Identifier: GPL-2.0-only WITH LicenseRef-OpenSSL-Exception
+ */
+
+#pragma once
+
+class EventQueueTimer
+{
+public:
+  virtual ~EventQueueTimer() = default;
+};

src/lib/platform/EiEventQueueBuffer.cpp

@@ -8,6 +8,7 @@
 #include "platform/EiEventQueueBuffer.h"
 
 #include "base/Event.h"
+#include "base/EventQueueTimer.h"
 #include "base/EventTypes.h"
 #include "base/IEventQueue.h"
 #include "base/Log.h"
@@ -18,10 +19,6 @@
 #include <poll.h>
 #include <unistd.h>
 
-class EventQueueTimer
-{
-};
-
 namespace deskflow {
 
 EiEventQueueBuffer::EiEventQueueBuffer(ei *ei, IEventQueue *events) : m_ei{ei_ref(ei)}, m_events{events}

src/lib/platform/MSWindowsEventQueueBuffer.cpp

@@ -8,16 +8,9 @@
 #include "platform/MSWindowsEventQueueBuffer.h"
 
 #include "arch/win32/ArchMiscWindows.h"
+#include "base/EventQueueTimer.h"
 #include "base/IEventQueue.h"
 
-//
-// EventQueueTimer
-//
-
-class EventQueueTimer
-{
-};
-
 //
 // MSWindowsEventQueueBuffer
 //

src/lib/platform/OSXEventQueueBuffer.cpp

@@ -9,17 +9,10 @@
 #include "platform/OSXEventQueueBuffer.h"
 
 #include "base/Event.h"
+#include "base/EventQueueTimer.h"
 #include "base/IEventQueue.h"
 #include "base/Log.h"
 
-//
-// EventQueueTimer
-//
-
-class EventQueueTimer
-{
-};
-
 //
 // OSXEventQueueBuffer
 //

src/lib/platform/XWindowsEventQueueBuffer.cpp

@@ -8,6 +8,7 @@
 #include "platform/XWindowsEventQueueBuffer.h"
 
 #include "base/Event.h"
+#include "base/EventQueueTimer.h"
 #include "base/IEventQueue.h"
 #include "mt/Thread.h"
 
@@ -15,14 +16,6 @@
 #include <poll.h>
 #include <unistd.h>
 
-//
-// EventQueueTimer
-//
-
-class EventQueueTimer
-{
-};
-
 //
 // XWindowsEventQueueBuffer
 //