static void sdl_grab_start(void) { /* * If the application is not active, do not try to enter grab state. This * prevents 'SDL_WM_GrabInput(SDL_GRAB_ON)' from blocking all the * application (SDL bug). */ if (!(SDL_GetAppState() & SDL_APPINPUTFOCUS)) { return; } if (guest_cursor) { SDL_SetCursor(guest_sprite); if (!kbd_mouse_is_absolute() && !absolute_enabled) SDL_WarpMouse(guest_x, guest_y); } else sdl_hide_cursor(); if (SDL_WM_GrabInput(SDL_GRAB_ON) == SDL_GRAB_ON) { gui_grab = 1; sdl_update_caption(); } else sdl_show_cursor(); }