Window: add destroy signal

src/desktop/Window.cpp

@@ -26,6 +26,8 @@ CWindow::~CWindow() {
         g_pCompositor->m_pLastWindow = nullptr;
     }
 
+    events.destroy.emit();
+
     if (!g_pHyprOpenGL)
         return;
 

src/desktop/Window.hpp

@@ -12,6 +12,7 @@
 #include "../macros.hpp"
 #include "../managers/XWaylandManager.hpp"
 #include "DesktopTypes.hpp"
+#include "../helpers/signal/Signal.hpp"
 
 enum eIdleInhibitMode {
     IDLEINHIBIT_NONE = 0,
@@ -216,6 +217,10 @@ class CWindow {
 
     CWLSurface m_pWLSurface;
 
+    struct {
+        CSignal destroy;
+    } events;
+
     union {
         wlr_xdg_surface*      xdg;
         wlr_xwayland_surface* xwayland;

src/helpers/signal/Signal.hpp

@@ -9,7 +9,7 @@
 
 class CSignal {
   public:
-    void emit(std::any data);
+    void emit(std::any data = {});
 
     //
     [[nodiscard("Listener is unregistered when the ptr is lost")]] CHyprSignalListener registerListener(std::function<void(std::any)> handler);