Rémi Bernon : server: Update desktop cursor window when cursor pos changes.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 10f5ff7f06595bf9d1f487f91dbbd869e5105d26
URL:    https://gitlab.winehq.org/wine/wine/-/commit/10f5ff7f06595bf9d1f487f91dbbd86...

Author: Rémi Bernon 
Date:   Wed May 10 18:12:13 2023 +0200

server: Update desktop cursor window when cursor pos changes.

---

server/queue.c | 30 +++++++++++++++++++-----------
 1 file changed, 19 insertions(+), 11 deletions(-)

diff --git a/server/queue.c b/server/queue.c
index 57067dd6f51..74462ebedee 100644
--- a/server/queue.c
+++ b/server/queue.c
@@ -404,8 +404,16 @@ static struct message *alloc_hardware_message( lparam_t info, struct hw_msg_sour
     return msg;
 }

-static int update_desktop_cursor_pos( struct desktop *desktop, int x, int y )
+static int update_desktop_cursor_window( struct desktop *desktop, user_handle_t win )
 {
+    int updated = win != desktop->cursor.win;
+    desktop->cursor.win = win;
+    return updated;
+}
+
+static int update_desktop_cursor_pos( struct desktop *desktop, user_handle_t win, int x, int y )
+{
+    struct thread_input *input;
     int updated;

x = max( min( x, desktop->cursor.clip.right - 1 ), desktop->cursor.clip.left );
@@ -415,6 +423,11 @@ static int update_desktop_cursor_pos( struct desktop *desktop, int x, int y )
     desktop->cursor.y = y;
     desktop->cursor.last_change = get_tick_count();

+    if (!win && (input = desktop->foreground_input)) win = input->capture;
+    if (!win || !is_window_visible( win ) || is_window_transparent( win ))
+        win = shallow_window_from_point( desktop, x, y );
+    if (update_desktop_cursor_window( desktop, win )) updated = 1;
+
     return updated;
 }

@@ -427,7 +440,7 @@ static void set_cursor_pos( struct desktop *desktop, int x, int y )

if ((device = current->process->rawinput_mouse) && (device->flags & RIDEV_NOLEGACY))
     {
-        update_desktop_cursor_pos( desktop, x, y );
+        update_desktop_cursor_pos( desktop, 0, x, y );
         return;
     }

@@ -1457,11 +1470,8 @@ static void update_input_key_state( struct desktop *desktop, unsigned char *keys
 }

/* update the desktop key state according to a mouse message flags */
-static void update_desktop_mouse_state( struct desktop *desktop, unsigned int flags,
-                                        int x, int y, lparam_t wparam )
+static void update_desktop_mouse_state( struct desktop *desktop, unsigned int flags, lparam_t wparam )
 {
-    if (flags & MOUSEEVENTF_MOVE)
-        update_desktop_cursor_pos( desktop, x, y );
     if (flags & MOUSEEVENTF_LEFTDOWN)
         update_input_key_state( desktop, desktop->keystate, WM_LBUTTONDOWN, wparam );
     if (flags & MOUSEEVENTF_LEFTUP)
@@ -1630,7 +1640,7 @@ static void queue_hardware_message( struct desktop *desktop, struct message *msg
         break;
     case QS_MOUSEMOVE:
         prepend_cursor_history( msg->x, msg->y, msg->time, msg_data->info );
-        if (update_desktop_cursor_pos( desktop, msg->x, msg->y )) always_queue = 1;
+        if (update_desktop_cursor_pos( desktop, msg->win, msg->x, msg->y )) always_queue = 1;
         /* fallthrough */
     case QS_MOUSEBUTTON:
         if (desktop->keystate[VK_LBUTTON] & 0x80)  msg->wparam |= MK_LBUTTON;
@@ -1661,9 +1671,6 @@ static void queue_hardware_message( struct desktop *desktop, struct message *msg
     }
     input = thread->queue->input;

-    if (win != desktop->cursor.win) always_queue = 1;
-    desktop->cursor.win = win;
-
     if (!always_queue || merge_message( input, msg )) free_message( msg );
     else
     {
@@ -1887,7 +1894,8 @@ static int queue_mouse_message( struct desktop *desktop, user_handle_t win, cons

if ((device = current->process->rawinput_mouse) && (device->flags & RIDEV_NOLEGACY))
     {
-        update_desktop_mouse_state( desktop, flags, x, y, input->mouse.data << 16 );
+        if (flags & MOUSEEVENTF_MOVE) update_desktop_cursor_pos( desktop, win, x, y );
+        update_desktop_mouse_state( desktop, flags, input->mouse.data << 16 );
         return 0;
     }