winemac: Add support for a "Decorated" registry setting to control whether…

dlls/winemac.drv/macdrv.h

@@ -39,6 +39,7 @@ extern BOOL skip_single_buffer_flushes DECLSPEC_HIDDEN;
 extern BOOL allow_vsync DECLSPEC_HIDDEN;
 extern BOOL allow_set_gamma DECLSPEC_HIDDEN;
 extern BOOL allow_software_rendering DECLSPEC_HIDDEN;
+extern BOOL disable_window_decorations DECLSPEC_HIDDEN;
 extern HMODULE macdrv_module DECLSPEC_HIDDEN;
 
 

dlls/winemac.drv/macdrv_main.c

@@ -53,6 +53,7 @@ BOOL allow_set_gamma = TRUE;
 int left_option_is_alt = 0;
 int right_option_is_alt = 0;
 BOOL allow_software_rendering = FALSE;
+BOOL disable_window_decorations = FALSE;
 HMODULE macdrv_module = 0;
 
 
@@ -166,6 +167,10 @@ static void setup_options(void)
     if (!get_config_key(hkey, appkey, "AllowSoftwareRendering", buffer, sizeof(buffer)))
         allow_software_rendering = IS_OPTION_TRUE(buffer[0]);
 
+    /* Value name chosen to match what's used in the X11 driver. */
+    if (!get_config_key(hkey, appkey, "Decorated", buffer, sizeof(buffer)))
+        disable_window_decorations = !IS_OPTION_TRUE(buffer[0]);
+
     if (appkey) RegCloseKey(appkey);
     if (hkey) RegCloseKey(hkey);
 }

dlls/winemac.drv/window.c

@@ -57,6 +57,7 @@ static void get_cocoa_window_features(struct macdrv_win_data *data,
 {
     memset(wf, 0, sizeof(*wf));
 
+    if (disable_window_decorations) return;
     if (IsRectEmpty(&data->window_rect)) return;
 
     if ((style & WS_CAPTION) == WS_CAPTION && !(ex_style & WS_EX_LAYERED))