sdl event stuff

modules/WindowModule/src/WindowModule.h

@@ -28,7 +28,9 @@ class WindowModule : public Archimedes::Module {
         Archimedes::Window* aquireWindow() {
             if(!window) {
                 
-                window = new Archimedes::Window([this](Archimedes::Event* e){
+                window = new Archimedes::Window([this](Archimedes::Event* e) {
+                    for(std::function<void(Archimedes::Event*)> f : eventFuncs)
+                        f(e);
                     app->emitEvent(e);
                 });
 
@@ -54,6 +56,10 @@ class WindowModule : public Archimedes::Module {
                 }
             }
         }
+
+        auto addEventFn(const std::function<void(Archimedes::Event*)>& fn) { eventFuncs.push_back(fn); return --eventFuncs.end()++; }
+
+        void removeEventFn(std::list<std::function<void(Archimedes::Event*)>>::iterator it) { eventFuncs.erase(it); }
         
         Archimedes::Renderer* getRenderer() { return renderer; }
 
@@ -61,6 +67,8 @@ class WindowModule : public Archimedes::Module {
 
         int windowRefs = 0;
 
+        std::list<std::function<void(Archimedes::Event*)>> eventFuncs;
+
         Archimedes::Window* window = nullptr;
         Archimedes::Renderer* renderer = nullptr;