win32u: Move WM_SHOWWINDOW implementation from user32.

dlls/user32/defwnd.c

@@ -73,57 +73,6 @@ HBRUSH DEFWND_ControlColor( HDC hDC, UINT ctlType )
 }
 
 
-/***********************************************************************
- *           DEFWND_DefWinProc
- *
- * Default window procedure for messages that are the same in Ansi and Unicode.
- */
-static LRESULT DEFWND_DefWinProc( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
-{
-    switch(msg)
-    {
-    case WM_NCMOUSEMOVE:
-        return NC_HandleNCMouseMove( hwnd, wParam, lParam );
-
-    case WM_NCMOUSELEAVE:
-        return NC_HandleNCMouseLeave( hwnd );
-
-    case WM_SYSCOMMAND:
-        return NC_HandleSysCommand( hwnd, wParam, lParam );
-
-    case WM_SHOWWINDOW:
-        {
-            LONG style = GetWindowLongW( hwnd, GWL_STYLE );
-            WND *pWnd;
-            if (!lParam) return 0; /* sent from ShowWindow */
-            if ((style & WS_VISIBLE) && wParam) return 0;
-            if (!(style & WS_VISIBLE) && !wParam) return 0;
-            if (!GetWindow( hwnd, GW_OWNER )) return 0;
-            if (!(pWnd = WIN_GetPtr( hwnd ))) return 0;
-            if (pWnd == WND_OTHER_PROCESS) return 0;
-            if (wParam)
-            {
-                if (!(pWnd->flags & WIN_NEEDS_SHOW_OWNEDPOPUP))
-                {
-                    WIN_ReleasePtr( pWnd );
-                    return 0;
-                }
-                pWnd->flags &= ~WIN_NEEDS_SHOW_OWNEDPOPUP;
-            }
-            else pWnd->flags |= WIN_NEEDS_SHOW_OWNEDPOPUP;
-            WIN_ReleasePtr( pWnd );
-            NtUserShowWindow( hwnd, wParam ? SW_SHOWNOACTIVATE : SW_HIDE );
-            break;
-        }
-
-    default:
-        return NtUserMessageCall( hwnd, msg, wParam, lParam, 0, NtUserDefWindowProc, FALSE );
-
-    }
-
-    return 0;
-}
-
 static LPARAM DEFWND_GetTextA( WND *wndPtr, LPSTR dest, WPARAM wParam )
 {
     LPARAM result = 0;
@@ -184,6 +133,18 @@ LRESULT WINAPI DefWindowProcA( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam
         }
         break;
 
+    case WM_NCMOUSEMOVE:
+        result = NC_HandleNCMouseMove( hwnd, wParam, lParam );
+        break;
+
+    case WM_NCMOUSELEAVE:
+        result = NC_HandleNCMouseLeave( hwnd );
+        break;
+
+    case WM_SYSCOMMAND:
+        result = NC_HandleSysCommand( hwnd, wParam, lParam );
+        break;
+
     case WM_GETTEXTLENGTH:
         {
             WND *wndPtr = WIN_GetPtr( hwnd );
@@ -207,11 +168,6 @@ LRESULT WINAPI DefWindowProcA( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam
         }
         break;
 
-    case WM_SETTEXT:
-    case WM_SYSCHAR:
-        result = NtUserMessageCall( hwnd, msg, wParam, lParam, 0, NtUserDefWindowProc, TRUE );
-        break;
-
     case WM_IME_CHAR:
         if (HIBYTE(wParam)) PostMessageA( hwnd, WM_CHAR, HIBYTE(wParam), lParam );
         PostMessageA( hwnd, WM_CHAR, LOBYTE(wParam), lParam );
@@ -281,7 +237,7 @@ LRESULT WINAPI DefWindowProcA( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam
         break;
 
     default:
-        result = DEFWND_DefWinProc( hwnd, msg, wParam, lParam );
+        result = NtUserMessageCall( hwnd, msg, wParam, lParam, 0, NtUserDefWindowProc, TRUE );
         break;
     }
 
@@ -357,6 +313,18 @@ LRESULT WINAPI DefWindowProcW(
         }
         break;
 
+    case WM_NCMOUSEMOVE:
+        result = NC_HandleNCMouseMove( hwnd, wParam, lParam );
+        break;
+
+    case WM_NCMOUSELEAVE:
+        result = NC_HandleNCMouseLeave( hwnd );
+        break;
+
+    case WM_SYSCOMMAND:
+        result = NC_HandleSysCommand( hwnd, wParam, lParam );
+        break;
+
     case WM_GETTEXTLENGTH:
         {
             WND *wndPtr = WIN_GetPtr( hwnd );
@@ -431,7 +399,7 @@ LRESULT WINAPI DefWindowProcW(
         break;
 
     default:
-        result = DEFWND_DefWinProc( hwnd, msg, wParam, lParam );
+        result = NtUserMessageCall( hwnd, msg, wParam, lParam, 0, NtUserDefWindowProc, FALSE );
         break;
     }
     SPY_ExitMessage( SPY_RESULT_DEFWND, hwnd, msg, result, wParam, lParam );

dlls/win32u/defwnd.c

@@ -2530,6 +2530,31 @@ LRESULT default_window_proc( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
         handle_set_cursor( hwnd, wparam, lparam );
         break;
 
+    case WM_SHOWWINDOW:
+        {
+            LONG style = get_window_long( hwnd, GWL_STYLE );
+            WND *win;
+            if (!lparam) break; /* sent from ShowWindow */
+            if ((style & WS_VISIBLE) && wparam) break;
+            if (!(style & WS_VISIBLE) && !wparam) break;
+            if (!get_window_relative( hwnd, GW_OWNER )) break;
+            if (!(win = get_win_ptr( hwnd ))) break;
+            if (win == WND_OTHER_PROCESS) break;
+            if (wparam)
+            {
+                if (!(win->flags & WIN_NEEDS_SHOW_OWNEDPOPUP))
+                {
+                    release_win_ptr( win );
+                    break;
+                }
+                win->flags &= ~WIN_NEEDS_SHOW_OWNEDPOPUP;
+            }
+            else win->flags |= WIN_NEEDS_SHOW_OWNEDPOPUP;
+            release_win_ptr( win );
+            NtUserShowWindow( hwnd, wparam ? SW_SHOWNOACTIVATE : SW_HIDE );
+            break;
+        }
+
     case WM_CTLCOLORMSGBOX:
     case WM_CTLCOLOREDIT:
     case WM_CTLCOLORLISTBOX: