events: fixup empty events not being sent on unmap

Ref #3506 https://github.com/hyprwm/Hyprland/issues/3506#issuecomment-1749508111

3 files changed, 12 insertions, 3 deletions

diff --git a/src/Compositor.cpp b/src/Compositor.cpp
index 7fa45b07..66306888 100644
--- a/src/Compositor.cpp
+++ b/src/Compositor.cpp
@@ -893,6 +893,10 @@ void CCompositor::focusWindow(CWindow* pWindow, wlr_surface* pSurface) {
     g_pLayoutManager->getCurrentLayout()->bringWindowToTop(pWindow);
 
     if (!pWindow || !windowValidMapped(pWindow)) {
+
+        if (!m_pLastWindow && !pWindow)
+            return;
+
         const auto PLASTWINDOW = m_pLastWindow;
         m_pLastWindow          = nullptr;
 
diff --git a/src/events/Windows.cpp b/src/events/Windows.cpp
index 54ffb37e..f78a2975 100644
--- a/src/events/Windows.cpp
+++ b/src/events/Windows.cpp
@@ -737,8 +737,14 @@ void Events::listener_unmapWindow(void* owner, void* data) {
                 g_pInputManager->simulateMouseMovement();
             else
                 g_pCompositor->focusWindow(PWINDOWCANDIDATE);
-        } else {
+        } else
             g_pInputManager->simulateMouseMovement();
+
+        // CWindow::onUnmap will remove this window's active status, but we can't really do it above.
+        if (PWINDOW == g_pCompositor->m_pLastWindow || !g_pCompositor->m_pLastWindow) {
+            g_pEventManager->postEvent(SHyprIPCEvent{"activewindow", ","});
+            g_pEventManager->postEvent(SHyprIPCEvent{"activewindowv2", ","});
+            EMIT_HOOK_EVENT("activeWindow", (CWindow*)nullptr);
         }
     } else {
         Debug::log(LOG, "Unmapped was not focused, ignoring a refocus.");
diff --git a/src/managers/input/InputManager.cpp b/src/managers/input/InputManager.cpp
index fe66b8ba..1b89f8fc 100644
--- a/src/managers/input/InputManager.cpp
+++ b/src/managers/input/InputManager.cpp
@@ -314,9 +314,8 @@ void CInputManager::mouseMoveUnified(uint32_t time, bool refocus) {
 
         wlr_seat_pointer_clear_focus(g_pCompositor->m_sSeat.seat);
 
-        if (refocus) { // if we are forcing a refocus, and we don't find a surface, clear the kb focus too!
+        if (refocus || !g_pCompositor->m_pLastWindow) // if we are forcing a refocus, and we don't find a surface, clear the kb focus too!
             g_pCompositor->focusWindow(nullptr);
-        }
 
         return;
     }