LibGUI+WindowServer: Introduce new mouse tracking mechanism

5 files changed, 17 insertions, 3 deletions

diff --git a/Userland/Services/WindowServer/ClientConnection.cpp b/Userland/Services/WindowServer/ClientConnection.cpp
index 8823fba3c7..b6466ccaeb 100644
--- a/Userland/Services/WindowServer/ClientConnection.cpp
+++ b/Userland/Services/WindowServer/ClientConnection.cpp
@@ -663,6 +663,11 @@ void ClientConnection::set_global_cursor_tracking(i32 window_id, bool enabled)
     it->value->set_global_cursor_tracking_enabled(enabled);
 }
 
+void ClientConnection::set_global_mouse_tracking(bool enabled)
+{
+    m_does_global_mouse_tracking = enabled;
+}
+
 void ClientConnection::set_window_cursor(i32 window_id, i32 cursor_type)
 {
     auto it = m_windows.find(window_id);
diff --git a/Userland/Services/WindowServer/ClientConnection.h b/Userland/Services/WindowServer/ClientConnection.h
index eddfc8bb02..56aca66c31 100644
--- a/Userland/Services/WindowServer/ClientConnection.h
+++ b/Userland/Services/WindowServer/ClientConnection.h
@@ -38,6 +38,7 @@ public:
     ~ClientConnection() override;
 
     bool is_unresponsive() const { return m_unresponsive; }
+    bool does_global_mouse_tracking() const { return m_does_global_mouse_tracking; }
 
     static ClientConnection* from_client_id(int client_id);
     static void for_each_client(Function<void(ClientConnection&)>);
@@ -113,6 +114,7 @@ private:
     virtual void invalidate_rect(i32, Vector<Gfx::IntRect> const&, bool) override;
     virtual void did_finish_painting(i32, Vector<Gfx::IntRect> const&) override;
     virtual void set_global_cursor_tracking(i32, bool) override;
+    virtual void set_global_mouse_tracking(bool) override;
     virtual void set_window_opacity(i32, float) override;
     virtual void set_window_backing_store(i32, i32, i32, IPC::File const&, i32, bool, Gfx::IntSize const&, bool) override;
     virtual void set_window_has_alpha_channel(i32, bool) override;
@@ -179,6 +181,7 @@ private:
     bool m_has_display_link { false };
     bool m_show_screen_number { false };
     bool m_unresponsive { false };
+    bool m_does_global_mouse_tracking { false };
 
     // Need this to get private client connection stuff
     friend WMClientConnection;
diff --git a/Userland/Services/WindowServer/WindowClient.ipc b/Userland/Services/WindowServer/WindowClient.ipc
index 2b8b3c839f..e9a6ac9bf3 100644
--- a/Userland/Services/WindowServer/WindowClient.ipc
+++ b/Userland/Services/WindowServer/WindowClient.ipc
@@ -44,5 +44,7 @@ endpoint WindowClient
 
     display_link_notification() =|
 
+    track_mouse_move(Gfx::IntPoint mouse_position) =|
+
     ping() =|
 }
diff --git a/Userland/Services/WindowServer/WindowManager.cpp b/Userland/Services/WindowServer/WindowManager.cpp
index c816377c71..a2388d51ef 100644
--- a/Userland/Services/WindowServer/WindowManager.cpp
+++ b/Userland/Services/WindowServer/WindowManager.cpp
@@ -1200,15 +1200,18 @@ void WindowManager::process_mouse_event(MouseEvent& event)
     if (process_ongoing_drag(event))
         return;
 
-    // 2. Send the mouse event to all windows with global cursor tracking enabled.
-    // The active input tracking window is excluded here because we're sending the event to it
-    // in the next step.
+    // 2. Send the mouse event to all clients with global cursor tracking enabled.
     auto& window_stack = current_window_stack();
     for_each_visible_window_from_front_to_back([&](Window& window) {
         if (window.global_cursor_tracking() && &window != window_stack.active_input_tracking_window())
             deliver_mouse_event(window, event, false);
         return IterationDecision::Continue;
     });
+    ClientConnection::for_each_client([&](ClientConnection& conn) {
+        if (conn.does_global_mouse_tracking()) {
+            conn.async_track_mouse_move(event.position());
+        }
+    });
 
     // 3. If there's an active input tracking window, all mouse events go there.
     //    Tracking ends after all mouse buttons have been released.
diff --git a/Userland/Services/WindowServer/WindowServer.ipc b/Userland/Services/WindowServer/WindowServer.ipc
index 41accd5251..dfa282c36d 100644
--- a/Userland/Services/WindowServer/WindowServer.ipc
+++ b/Userland/Services/WindowServer/WindowServer.ipc
@@ -75,6 +75,7 @@ endpoint WindowServer
     did_finish_painting(i32 window_id, Vector<Gfx::IntRect> rects) =|
 
     set_global_cursor_tracking(i32 window_id, bool enabled) =|
+    set_global_mouse_tracking(bool enabled) =|
     set_window_opacity(i32 window_id, float opacity) =|
 
     set_window_alpha_hit_threshold(i32 window_id, float threshold) =|