From 5e18d7d8234e5d9186e94c58d0ef21bf62d05544 Mon Sep 17 00:00:00 2001
From: Jacek Caban <jacek@codeweavers.com>
Date: Sun, 29 May 2022 16:13:31 +0200
Subject: [PATCH] winex11: Detect system cursors from cursor module name in
 create_xcursor_system_cursor.

Signed-off-by: Jacek Caban <jacek@codeweavers.com>
---
 dlls/winex11.drv/dllmain.c | 25 -------------------------
 dlls/winex11.drv/mouse.c   | 26 +++++++++++++++++---------
 dlls/winex11.drv/unixlib.h | 10 ----------
 3 files changed, 17 insertions(+), 44 deletions(-)

diff --git a/dlls/winex11.drv/dllmain.c b/dlls/winex11.drv/dllmain.c
index b9bf5efd1e3..b06c955c2a4 100644
--- a/dlls/winex11.drv/dllmain.c
+++ b/dlls/winex11.drv/dllmain.c
@@ -128,30 +128,6 @@ static NTSTATUS x11drv_clipboard_init( UINT arg )
 }
 
 
-static NTSTATUS WINAPI x11drv_is_system_module( void *arg, ULONG size )
-{
-    HMODULE module;
-    unsigned int i;
-
-    static const WCHAR cursor_modules[][16] =
-    {
-        { 'u','s','e','r','3','2','.','d','l','l',0 },
-        { 'c','o','m','c','t','l','3','2','.','d','l','l',0 },
-        { 'o','l','e','3','2','.','d','l','l',0 },
-        { 'r','i','c','h','e','d','2','0','.','d','l','l',0 }
-    };
-
-    if (!(module = GetModuleHandleW( arg ))) return system_module_none;
-
-    for (i = 0; i < ARRAYSIZE(cursor_modules); i++)
-    {
-        if (GetModuleHandleW( cursor_modules[i] ) == module) return i;
-    }
-
-    return system_module_none;
-}
-
-
 static NTSTATUS x11drv_load_icon( UINT id )
 {
     return HandleToUlong( LoadIconW( NULL, UlongToPtr( id )));
@@ -189,7 +165,6 @@ static const kernel_callback kernel_callbacks[] =
     x11drv_dnd_post_drop,
     x11drv_ime_set_composition_string,
     x11drv_ime_set_result,
-    x11drv_is_system_module,
     x11drv_systray_change_owner,
 };
 
diff --git a/dlls/winex11.drv/mouse.c b/dlls/winex11.drv/mouse.c
index 2ce03c3f12f..9e005881170 100644
--- a/dlls/winex11.drv/mouse.c
+++ b/dlls/winex11.drv/mouse.c
@@ -931,12 +931,16 @@ static const struct system_cursors riched20_cursors[] =
     { 0 }
 };
 
-static const struct system_cursors *module_cursors[] =
+static const struct
 {
-    user32_cursors,
-    comctl32_cursors,
-    ole32_cursors,
-    riched20_cursors,
+    const struct system_cursors *cursors;
+    WCHAR name[16];
+} module_cursors[] =
+{
+    { user32_cursors, {'u','s','e','r','3','2','.','d','l','l',0} },
+    { comctl32_cursors, {'c','o','m','c','t','l','3','2','.','d','l','l',0} },
+    { ole32_cursors, {'o','l','e','3','2','.','d','l','l',0} },
+    { riched20_cursors, {'r','i','c','h','e','d','2','0','.','d','l','l',0} }
 };
 
 struct cursor_font_fallback
@@ -1054,6 +1058,7 @@ static int find_fallback_shape( const char *name )
 static Cursor create_xcursor_system_cursor( const ICONINFOEXW *info )
 {
     const struct system_cursors *cursors;
+    const WCHAR *module;
     unsigned int i;
     Cursor cursor = 0;
     HKEY key;
@@ -1094,11 +1099,14 @@ static Cursor create_xcursor_system_cursor( const ICONINFOEXW *info )
     }
 
     if (info->szResName[0]) goto done;  /* only integer resources are supported here */
-    i = x11drv_client_func( client_func_is_system_module, info->szModName,
-                            (lstrlenW( info->szModName ) + 1) * sizeof(WCHAR) );
-    if (i == system_module_none) goto done;
 
-    cursors = module_cursors[i];
+    if ((module = wcsrchr( info->szModName, '\\' ))) module++;
+    else module = info->szModName;
+    for (i = 0; i < ARRAY_SIZE( module_cursors ); i++)
+        if (!wcsicmp( module, module_cursors[i].name )) break;
+    if (i == ARRAY_SIZE( module_cursors )) goto done;
+
+    cursors = module_cursors[i].cursors;
     for (i = 0; cursors[i].id; i++)
         if (cursors[i].id == info->wResID)
         {
diff --git a/dlls/winex11.drv/unixlib.h b/dlls/winex11.drv/unixlib.h
index 9be7c18cd12..76cfad88f4d 100644
--- a/dlls/winex11.drv/unixlib.h
+++ b/dlls/winex11.drv/unixlib.h
@@ -75,15 +75,6 @@ struct systray_dock_params
     BOOL *layered;
 };
 
-enum system_modules
-{
-    system_module_user32,
-    system_module_comctl32,
-    system_module_ole32,
-    system_module_riched20,
-    system_module_none = 0xffff,
-};
-
 /* x11drv_tablet_info params */
 struct tablet_info_params
 {
@@ -108,7 +99,6 @@ enum x11drv_client_funcs
     client_func_dnd_post_drop,
     client_func_ime_set_composition_string,
     client_func_ime_set_result,
-    client_func_is_system_module,
     client_func_systray_change_owner,
     client_func_last
 };