Flag

window should always be above others

no window decoration

window not created by SDL

window is in fullscreen mode

window is neither mapped onto the desktop nor shown in the taskbar/dock/window list; SDL_ShowWindow() is required for it to become visible

window uses high pixel density back buffer if possible

window has input focus

window has grabbed keyboard input

window is maximized

window usable for Metal view

window is minimized

window is modal

window has mouse captured (unrelated to MOUSE_GRABBED)

window has mouse focus

window has grabbed mouse input

window has relative mode enabled

window should not be focusable

window is occluded

window usable with OpenGL context

window can be resized

window with transparent buffer

window should be treated as a utility window, not showing in the task bar and window list

window usable for Vulkan surface