From 20a465f69d342c5caead27df696d228492ea02e8 Mon Sep 17 00:00:00 2001
From: Lucas Reis <lucas.reis091997@gmail.com>
Date: Wed, 19 Jun 2024 10:24:28 -0400
Subject: [PATCH] pointer: use software rendering when monitor is mirrored
 (#6587)

* pointer_manager: add lock/unlock software wrappers that receive the raw pointer

* monitor: lock/unlock software pointer rendering when adding/removing mirrored screens

* use relative path in includes
---
 src/helpers/Monitor.cpp         | 10 ++++++++++
 src/managers/PointerManager.cpp | 18 ++++++++++++++++++
 src/managers/PointerManager.hpp |  2 ++
 3 files changed, 30 insertions(+)

diff --git a/src/helpers/Monitor.cpp b/src/helpers/Monitor.cpp
index da6da873..e99e16ef 100644
--- a/src/helpers/Monitor.cpp
+++ b/src/helpers/Monitor.cpp
@@ -6,6 +6,7 @@
 #include "../devices/ITouch.hpp"
 #include "../protocols/LayerShell.hpp"
 #include "../protocols/PresentationTime.hpp"
+#include "../managers/PointerManager.hpp"
 #include <hyprutils/string/String.hpp>
 using namespace Hyprutils::String;
 
@@ -248,6 +249,9 @@ void CMonitor::onDisconnect(bool destroy) {
     // remove mirror
     if (pMirrorOf) {
         pMirrorOf->mirrors.erase(std::find_if(pMirrorOf->mirrors.begin(), pMirrorOf->mirrors.end(), [&](const auto& other) { return other == this; }));
+
+        // unlock software for mirrored monitor
+        g_pPointerManager->unlockSoftwareForMonitor(pMirrorOf);
         pMirrorOf = nullptr;
     }
 
@@ -471,6 +475,9 @@ void CMonitor::setMirror(const std::string& mirrorOf) {
 
         if (pMirrorOf) {
             pMirrorOf->mirrors.erase(std::find_if(pMirrorOf->mirrors.begin(), pMirrorOf->mirrors.end(), [&](const auto& other) { return other == this; }));
+
+            // unlock software for mirrored monitor
+            g_pPointerManager->unlockSoftwareForMonitor(pMirrorOf);
         }
 
         pMirrorOf = nullptr;
@@ -540,6 +547,9 @@ void CMonitor::setMirror(const std::string& mirrorOf) {
         g_pCompositor->setActiveMonitor(g_pCompositor->m_vMonitors.front().get());
 
         g_pCompositor->sanityCheckWorkspaces();
+
+        // Software lock mirrored monitor
+        g_pPointerManager->lockSoftwareForMonitor(PMIRRORMON);
     }
 
     events.modeChanged.emit();
diff --git a/src/managers/PointerManager.cpp b/src/managers/PointerManager.cpp
index 05059669..d3da5eff 100644
--- a/src/managers/PointerManager.cpp
+++ b/src/managers/PointerManager.cpp
@@ -164,6 +164,15 @@ void CPointerManager::unlockSoftwareAll() {
     updateCursorBackend();
 }
 
+void CPointerManager::lockSoftwareForMonitor(CMonitor* Monitor) {
+    for (auto& m : g_pCompositor->m_vMonitors) {
+        if (m->ID == Monitor->ID) {
+            lockSoftwareForMonitor(m);
+            return;
+        }
+    }
+}
+
 void CPointerManager::lockSoftwareForMonitor(SP<CMonitor> mon) {
     auto state = stateFor(mon);
     state->softwareLocks++;
@@ -172,6 +181,15 @@ void CPointerManager::lockSoftwareForMonitor(SP<CMonitor> mon) {
         updateCursorBackend();
 }
 
+void CPointerManager::unlockSoftwareForMonitor(CMonitor* Monitor) {
+    for (auto& m : g_pCompositor->m_vMonitors) {
+        if (m->ID == Monitor->ID) {
+            unlockSoftwareForMonitor(m);
+            return;
+        }
+    }
+}
+
 void CPointerManager::unlockSoftwareForMonitor(SP<CMonitor> mon) {
     auto state = stateFor(mon);
     state->softwareLocks--;
diff --git a/src/managers/PointerManager.hpp b/src/managers/PointerManager.hpp
index c3673e16..545b76fb 100644
--- a/src/managers/PointerManager.hpp
+++ b/src/managers/PointerManager.hpp
@@ -43,6 +43,8 @@ class CPointerManager {
 
     void lockSoftwareForMonitor(SP<CMonitor> pMonitor);
     void unlockSoftwareForMonitor(SP<CMonitor> pMonitor);
+    void lockSoftwareForMonitor(CMonitor* pMonitor);
+    void unlockSoftwareForMonitor(CMonitor* pMonitor);
     void lockSoftwareAll();
     void unlockSoftwareAll();