From 7de41b383c2f0d4925b433fb7250aa8d7aebae80 Mon Sep 17 00:00:00 2001
From: Cacodemon345 <wahil1976@outlook.com>
Date: Sat, 4 Mar 2023 23:10:43 +0600
Subject: [PATCH] Absolute mouse input now works on secondary monitors

---
 src/qt/qt_mainwindow.cpp    |  2 ++
 src/qt/qt_rendererstack.cpp | 19 ++++++++++++++++---
 2 files changed, 18 insertions(+), 3 deletions(-)

diff --git a/src/qt/qt_mainwindow.cpp b/src/qt/qt_mainwindow.cpp
index 65af4d8d3..f360a83e9 100644
--- a/src/qt/qt_mainwindow.cpp
+++ b/src/qt/qt_mainwindow.cpp
@@ -733,7 +733,9 @@ MainWindow::initRendererMonitorSlot(int monitor_index)
                 secondaryRenderer->showMaximized();
             }
             secondaryRenderer->switchRenderer((RendererStack::Renderer) vid_api);
+            secondaryRenderer->setMouseTracking(true);
         }
+        connect(this, &MainWindow::pollMouse, secondaryRenderer.get(), &RendererStack::mousePoll, Qt::DirectConnection);
     }
 }
 
diff --git a/src/qt/qt_rendererstack.cpp b/src/qt/qt_rendererstack.cpp
index 9ebd891c3..0fec7a574 100644
--- a/src/qt/qt_rendererstack.cpp
+++ b/src/qt/qt_rendererstack.cpp
@@ -127,7 +127,7 @@ qt_mouse_capture(int on)
 {
     if (!on) {
         mouse_capture = 0;
-        QApplication::setOverrideCursor(Qt::ArrowCursor);
+        if (QApplication::overrideCursor()) QApplication::restoreOverrideCursor();
 #ifdef __APPLE__
         CGAssociateMouseAndMouseCursorPosition(true);
 #endif
@@ -144,6 +144,17 @@ qt_mouse_capture(int on)
 void
 RendererStack::mousePoll()
 {
+    if (m_monitor_index >= 1) {
+        if (mouse_mode >= 1) {
+            mouse_x_abs               = mousedata.x_abs;
+            mouse_y_abs               = mousedata.y_abs;
+            if (!mouse_tablet_in_proximity) {
+                mouse_tablet_in_proximity = mousedata.mouse_tablet_in_proximity;
+            }
+        }
+        return;
+    }
+
 #ifdef Q_OS_WINDOWS
     if (mouse_mode == 0) {
         mouse_x_abs               = mousedata.x_abs;
@@ -151,6 +162,7 @@ RendererStack::mousePoll()
         return;
     }
 #endif
+
 #ifndef __APPLE__
     mouse_x                   = mousedata.deltax;
     mouse_y                   = mousedata.deltay;
@@ -270,8 +282,9 @@ void
 RendererStack::leaveEvent(QEvent *event)
 {
     mousedata.mouse_tablet_in_proximity = 0;
-    if (mouse_mode == 1)
-        QApplication::setOverrideCursor(Qt::ArrowCursor);
+
+    if (mouse_mode == 1 && QApplication::overrideCursor())
+        QApplication::restoreOverrideCursor();
     if (QApplication::platformName().contains("wayland")) {
         event->accept();
         return;