From a558bcdfbffe41ac92302456468609e62bca2282 Mon Sep 17 00:00:00 2001
From: vaxerski <43317083+vaxerski@users.noreply.github.com>
Date: Wed, 13 Apr 2022 20:19:40 +0200
Subject: [PATCH] added follow_mouse

---
 example/hyprland.conf         |  2 ++
 src/Compositor.cpp            |  3 +++
 src/config/ConfigManager.cpp  |  2 ++
 src/managers/InputManager.cpp | 22 ++++++++++++++++------
 src/managers/InputManager.hpp |  2 +-
 5 files changed, 24 insertions(+), 7 deletions(-)

diff --git a/example/hyprland.conf b/example/hyprland.conf
index d7f68b46..a698f3ab 100644
--- a/example/hyprland.conf
+++ b/example/hyprland.conf
@@ -12,6 +12,8 @@ input {
     kb_model=
     kb_options=
     kb_rules=
+
+    follow_mouse=1
 }
 
 general {
diff --git a/src/Compositor.cpp b/src/Compositor.cpp
index 88553570..d9e3ebf2 100644
--- a/src/Compositor.cpp
+++ b/src/Compositor.cpp
@@ -380,6 +380,9 @@ void CCompositor::focusWindow(CWindow* pWindow, wlr_surface* pSurface) {
 
     g_pXWaylandManager->activateWindow(pWindow, true);
 
+    // do pointer focus too
+    wlr_seat_pointer_notify_enter(m_sSeat.seat, PWINDOWSURFACE, 0, 0);
+
     m_pLastWindow = pWindow;
 }
 
diff --git a/src/config/ConfigManager.cpp b/src/config/ConfigManager.cpp
index 7a9a1e60..14f20470 100644
--- a/src/config/ConfigManager.cpp
+++ b/src/config/ConfigManager.cpp
@@ -46,6 +46,8 @@ CConfigManager::CConfigManager() {
     configValues["input:kb_rules"].strValue = "";
     configValues["input:kb_model"].strValue = "";
 
+    configValues["input:follow_mouse"].intValue = 1;
+
     configValues["autogenerated"].intValue = 0;
 }
 
diff --git a/src/managers/InputManager.cpp b/src/managers/InputManager.cpp
index 93f842a4..c45a5530 100644
--- a/src/managers/InputManager.cpp
+++ b/src/managers/InputManager.cpp
@@ -16,11 +16,12 @@ void CInputManager::onMouseWarp(wlr_pointer_motion_absolute_event* e) {
     mouseMoveUnified(e->time_msec);
 }
 
-void CInputManager::mouseMoveUnified(uint32_t time) {
+void CInputManager::mouseMoveUnified(uint32_t time, bool refocus) {
 
     // update stuff
     updateDragIcon();
 
+    g_pLayoutManager->getCurrentLayout()->onMouseMove(getMouseCoordsInternal());
 
     // focus
     wlr_surface* foundSurface = nullptr;
@@ -110,15 +111,24 @@ void CInputManager::mouseMoveUnified(uint32_t time) {
 
     Vector2D surfaceLocal = surfacePos == Vector2D(-1337, -1337) ? surfaceCoords : Vector2D(g_pCompositor->m_sWLRCursor->x, g_pCompositor->m_sWLRCursor->y) - surfacePos;
 
-    if (pFoundWindow)
-        g_pCompositor->focusWindow(pFoundWindow, foundSurface);
+    if (pFoundWindow) {
+        if (g_pConfigManager->getInt("input:follow_mouse") == 0 && !refocus) {
+            if (pFoundWindow != g_pCompositor->m_pLastWindow && g_pCompositor->windowValidMapped(g_pCompositor->m_pLastWindow) && (g_pCompositor->m_pLastWindow->m_bIsFloating != pFoundWindow->m_bIsFloating)) {
+                // enter if change floating style
+                g_pCompositor->focusWindow(pFoundWindow, foundSurface);
+                wlr_seat_pointer_notify_enter(g_pCompositor->m_sSeat.seat, foundSurface, surfaceLocal.x, surfaceLocal.y);
+            }
+            wlr_seat_pointer_notify_motion(g_pCompositor->m_sSeat.seat, time, surfaceLocal.x, surfaceLocal.y);
+            return; // don't enter any new surfaces
+        } else {
+            g_pCompositor->focusWindow(pFoundWindow, foundSurface);
+        }
+    }
     else
         g_pCompositor->focusSurface(foundSurface);
 
     wlr_seat_pointer_notify_enter(g_pCompositor->m_sSeat.seat, foundSurface, surfaceLocal.x, surfaceLocal.y);
     wlr_seat_pointer_notify_motion(g_pCompositor->m_sSeat.seat, time, surfaceLocal.x, surfaceLocal.y);
-
-    g_pLayoutManager->getCurrentLayout()->onMouseMove(getMouseCoordsInternal());
 }
 
 void CInputManager::onMouseButton(wlr_pointer_button_event* e) {
@@ -288,7 +298,7 @@ void CInputManager::onKeyboardMod(void* data, SKeyboard* pKeyboard) {
 }
 
 void CInputManager::refocus() {
-    mouseMoveUnified(0);
+    mouseMoveUnified(0, true);
 }
 
 void CInputManager::updateDragIcon() {
diff --git a/src/managers/InputManager.hpp b/src/managers/InputManager.hpp
index 6775abee..c0d2c708 100644
--- a/src/managers/InputManager.hpp
+++ b/src/managers/InputManager.hpp
@@ -37,7 +37,7 @@ private:
 
     std::list<SKeyboard> m_lKeyboards;
 
-    void            mouseMoveUnified(uint32_t);
+    void            mouseMoveUnified(uint32_t, bool refocus = false);
 
 };