winemac: Prevent disabled windows from being moved.

dlls/winemac.drv/cocoa_window.m

@@ -642,6 +642,9 @@ static inline NSUInteger adjusted_modifiers_for_option_behavior(NSUInteger modif
             [self setContentMaxSize:savedContentMaxSize];
             [self setContentMinSize:savedContentMinSize];
         }
+
+        if (allow_immovable_windows)
+            [self setMovable:!disabled];
     }
 
     - (void) adjustFullScreenBehavior:(NSWindowCollectionBehavior)behavior

dlls/winemac.drv/macdrv_cocoa.h

@@ -146,6 +146,7 @@ extern int topmost_float_inactive DECLSPEC_HIDDEN;
 extern int capture_displays_for_fullscreen DECLSPEC_HIDDEN;
 extern int left_option_is_alt DECLSPEC_HIDDEN;
 extern int right_option_is_alt DECLSPEC_HIDDEN;
+extern int allow_immovable_windows DECLSPEC_HIDDEN;
 
 extern int macdrv_start_cocoa_app(unsigned long long tickcount) DECLSPEC_HIDDEN;
 extern void macdrv_window_rejected_focus(const struct macdrv_event *event) DECLSPEC_HIDDEN;

dlls/winemac.drv/macdrv_main.c

@@ -54,6 +54,7 @@ int left_option_is_alt = 0;
 int right_option_is_alt = 0;
 BOOL allow_software_rendering = FALSE;
 BOOL disable_window_decorations = FALSE;
+int allow_immovable_windows = TRUE;
 HMODULE macdrv_module = 0;
 
 
@@ -171,6 +172,9 @@ static void setup_options(void)
     if (!get_config_key(hkey, appkey, "Decorated", buffer, sizeof(buffer)))
         disable_window_decorations = !IS_OPTION_TRUE(buffer[0]);
 
+    if (!get_config_key(hkey, appkey, "AllowImmovableWindows", buffer, sizeof(buffer)))
+        allow_immovable_windows = IS_OPTION_TRUE(buffer[0]);
+
     if (appkey) RegCloseKey(appkey);
     if (hkey) RegCloseKey(hkey);
 }