Added SDL_PROP_WINDOW_CREATE_FLAGS_NUMBER

This is undocumented since the individual flags are separate window creation properties, but it's useful to have a shared definition for this, which is used internally and for migrating code from SDL2.

include/SDL3/SDL_video.h

@@ -1057,6 +1057,7 @@ extern SDL_DECLSPEC SDL_Window * SDLCALL SDL_CreateWindowWithProperties(SDL_Prop
 #define SDL_PROP_WINDOW_CREATE_BORDERLESS_BOOLEAN                  "SDL.window.create.borderless"
 #define SDL_PROP_WINDOW_CREATE_FOCUSABLE_BOOLEAN                   "SDL.window.create.focusable"
 #define SDL_PROP_WINDOW_CREATE_EXTERNAL_GRAPHICS_CONTEXT_BOOLEAN   "SDL.window.create.external_graphics_context"
+#define SDL_PROP_WINDOW_CREATE_FLAGS_NUMBER                        "SDL.window.create.flags"
 #define SDL_PROP_WINDOW_CREATE_FULLSCREEN_BOOLEAN                  "SDL.window.create.fullscreen"
 #define SDL_PROP_WINDOW_CREATE_HEIGHT_NUMBER                       "SDL.window.create.height"
 #define SDL_PROP_WINDOW_CREATE_HIDDEN_BOOLEAN                      "SDL.window.create.hidden"

src/test/SDL_test_common.c

@@ -1369,7 +1369,7 @@ SDL_bool SDLTest_CommonInit(SDLTest_CommonState *state)
             SDL_SetNumberProperty(props, SDL_PROP_WINDOW_CREATE_Y_NUMBER, r.y);
             SDL_SetNumberProperty(props, SDL_PROP_WINDOW_CREATE_WIDTH_NUMBER, r.w);
             SDL_SetNumberProperty(props, SDL_PROP_WINDOW_CREATE_HEIGHT_NUMBER, r.h);
-            SDL_SetNumberProperty(props, "SDL.window.create.flags", state->window_flags);
+            SDL_SetNumberProperty(props, SDL_PROP_WINDOW_CREATE_FLAGS_NUMBER, state->window_flags);
             state->windows[i] = SDL_CreateWindowWithProperties(props);
             SDL_DestroyProperties(props);
             if (!state->windows[i]) {

src/video/SDL_video.c

@@ -2232,7 +2232,7 @@ static struct {
 static SDL_WindowFlags SDL_GetWindowFlagProperties(SDL_PropertiesID props)
 {
     unsigned i;
-    SDL_WindowFlags flags = (SDL_WindowFlags)SDL_GetNumberProperty(props, "SDL.window.create.flags", 0);
+    SDL_WindowFlags flags = (SDL_WindowFlags)SDL_GetNumberProperty(props, SDL_PROP_WINDOW_CREATE_FLAGS_NUMBER, 0);
 
     for (i = 0; i < SDL_arraysize(SDL_WindowFlagProperties); ++i) {
         if (SDL_WindowFlagProperties[i].invert_value) {
@@ -2486,7 +2486,7 @@ SDL_Window *SDL_CreateWindow(const char *title, int w, int h, SDL_WindowFlags fl
     }
     SDL_SetNumberProperty(props, SDL_PROP_WINDOW_CREATE_WIDTH_NUMBER, w);
     SDL_SetNumberProperty(props, SDL_PROP_WINDOW_CREATE_HEIGHT_NUMBER, h);
-    SDL_SetNumberProperty(props, "SDL.window.create.flags", flags);
+    SDL_SetNumberProperty(props, SDL_PROP_WINDOW_CREATE_FLAGS_NUMBER, flags);
     window = SDL_CreateWindowWithProperties(props);
     SDL_DestroyProperties(props);
     return window;
@@ -2508,7 +2508,7 @@ SDL_Window *SDL_CreatePopupWindow(SDL_Window *parent, int offset_x, int offset_y
     SDL_SetNumberProperty(props, SDL_PROP_WINDOW_CREATE_Y_NUMBER, offset_y);
     SDL_SetNumberProperty(props, SDL_PROP_WINDOW_CREATE_WIDTH_NUMBER, w);
     SDL_SetNumberProperty(props, SDL_PROP_WINDOW_CREATE_HEIGHT_NUMBER, h);
-    SDL_SetNumberProperty(props, "SDL.window.create.flags", flags);
+    SDL_SetNumberProperty(props, SDL_PROP_WINDOW_CREATE_FLAGS_NUMBER, flags);
     window = SDL_CreateWindowWithProperties(props);
     SDL_DestroyProperties(props);
     return window;