sdl3: Set hint to disable the accents popup on macOS when holding down keys. [R. Belmont]

Author: rb6502

src/osd/sdl3/sdlmain.cpp

@@ -80,10 +80,15 @@ int main(int argc, char** argv)
 	diagnostics_module::get_instance()->init_crash_diagnostics();
 
 #if defined(SDLMAME_ANDROID)
-	/* Enable standard application logging */
+	// Enable standard application logging
 	SDL_SetLogPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_VERBOSE);
 #endif
 
+#if defined(SDLMAME_MACOSX)
+	// disable the popup accents menu on macOS
+	SDL_SetHint(SDL_HINT_MAC_PRESS_AND_HOLD, 0);
+#endif
+
 	// FIXME: this should be done differently
 
 #ifdef SDLMAME_UNIX