Hyprland/patch.txt

diff --git a/src/managers/PointerManager.cpp b/src/managers/PointerManager.cpp
index 8b4ba0ee..e34aa54b 100644
--- a/src/managers/PointerManager.cpp
+++ b/src/managers/PointerManager.cpp
@@ -4,6 +4,7 @@
 #include "../protocols/PointerGestures.hpp"
 #include "../protocols/FractionalScale.hpp"
 #include "../protocols/core/Compositor.hpp"
+#include "eventLoop/EventLoopManager.hpp"
 #include "SeatManager.hpp"
 #include <wlr/interfaces/wlr_output.h>
 #include <wlr/render/interface.h>
@@ -139,8 +140,8 @@ CPointerManager::CPointerManager() {
 
         onMonitorLayoutChange();
 
-        PMONITOR->events.modeChanged.registerStaticListener([this](void* owner, std::any data) { onMonitorLayoutChange(); }, nullptr);
-        PMONITOR->events.disconnect.registerStaticListener([this](void* owner, std::any data) { onMonitorLayoutChange(); }, nullptr);
+        PMONITOR->events.modeChanged.registerStaticListener([this](void* owner, std::any data) { g_pEventLoopManager->doLater([this]() { onMonitorLayoutChange(); }); }, nullptr);
+        PMONITOR->events.disconnect.registerStaticListener([this](void* owner, std::any data) { g_pEventLoopManager->doLater([this]() { onMonitorLayoutChange(); }); }, nullptr);
         PMONITOR->events.destroy.registerStaticListener(
             [this](void* owner, std::any data) {
                 if (g_pCompositor && !g_pCompositor->m_bIsShuttingDown)
diff --git a/src/managers/eventLoop/EventLoopManager.cpp b/src/managers/eventLoop/EventLoopManager.cpp
index 1193ffb8..e2d72f22 100644
--- a/src/managers/eventLoop/EventLoopManager.cpp
+++ b/src/managers/eventLoop/EventLoopManager.cpp
@@ -86,4 +86,25 @@ void CEventLoopManager::nudgeTimers() {
     itimerspec ts = {.it_value = now};
 
     timerfd_settime(m_sTimers.timerfd, TFD_TIMER_ABSTIME, &ts, nullptr);
-}
\ No newline at end of file
+}
+
+void CEventLoopManager::doLater(const std::function<void()>& fn) {
+    m_sIdle.fns.emplace_back(fn);
+
+    if (m_sIdle.eventSource)
+        return;
+
+    m_sIdle.eventSource = wl_event_loop_add_idle(
+        m_sWayland.loop,
+        [](void* data) {
+            auto IDLE = (CEventLoopManager::SIdleData*)data;
+            auto cpy  = IDLE->fns;
+            IDLE->fns.clear();
+            IDLE->eventSource = nullptr;
+            for (auto& c : cpy) {
+                if (c)
+                    c();
+            }
+        },
+        &m_sIdle);
+}
diff --git a/src/managers/eventLoop/EventLoopManager.hpp b/src/managers/eventLoop/EventLoopManager.hpp
index 7a4fa19e..77e57513 100644
--- a/src/managers/eventLoop/EventLoopManager.hpp
+++ b/src/managers/eventLoop/EventLoopManager.hpp
@@ -23,6 +23,14 @@ class CEventLoopManager {
     // recalculates timers
     void nudgeTimers();
 
+    // schedules a function to run later, aka in a wayland idle event.
+    void doLater(const std::function<void()>& fn);
+
+    struct SIdleData {
+        wl_event_source*                   eventSource = nullptr;
+        std::vector<std::function<void()>> fns;
+    };
+
   private:
     struct {
         wl_event_loop*   loop        = nullptr;
@@ -34,6 +42,8 @@ class CEventLoopManager {
         std::vector<SP<CEventLoopTimer>> timers;
         int                              timerfd = -1;
     } m_sTimers;
+
+    SIdleData m_sIdle;
 };
 
 inline std::unique_ptr<CEventLoopManager> g_pEventLoopManager;
\ No newline at end of file