Add SDL2Swift wrappers for OpenGL, keyboard, mouse, and misc APIs#14
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Wraps SDL_GL_CreateContext/MakeCurrent/DeleteContext/SwapWindow and the attribute get/set + swap interval APIs, which had no coverage before.
Wraps SDL_GetKeyboardState/SDL_GetScancodeName and adds ~50 named Scancode constants for keybinding use cases.
Wraps SDL_GetMouseState/GetRelativeMouseState, SDL2's global relative-mouse-mode setting, and per-window mouse grab.
Adds SDL_GameControllerName/HasRumble/Rumble/SetPlayerIndex, axis/button string lookups, and the mapping-file/isGameController helpers.
Adds SDL_SetWindowFullscreen and SDL_GetWindowPosition. SDL2 has no SDL_SyncWindow equivalent.
Needed as the return type for the new display bounds accessors.
Adds SDL_GetDisplayBounds/GetDisplayUsableBounds/GetWindowDisplayIndex and SDL_GetCurrentVideoDriver.
Wraps SDL_GetTicks64/SDL_Delay, alongside SDL's existing reconstructed nanosecond tick counter. SDL2 has no SDL_GetCurrentTime/DateTime API.
SDL's logging functions are C-variadic and unavailable in Swift, so this routes through SDL_LogMessageV via withVaList with a fixed "%s" format.
Wraps SDL_ShowSimpleMessageBox.
Wraps SDL_NumJoysticks/SDL_JoystickGetDeviceInstanceID/SDL_JoystickNameForIndex, distinct from the higher-level Gamepad API. SDL2 enumerates joysticks by device index rather than returning an array of instance IDs like SDL3.
Adds SDL_MOUSEWHEEL, SDL_TEXTINPUT, and the SDL_WINDOWEVENT_CLOSE sub-event cases, previously falling through to .unknown.
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Summary
Companion to #13 — adds the same surface area to
SDL2Swift, adapted to SDL2's APIs (int/SDL_boolreturn codes instead ofbool, device-index-based joystick enumeration, global relative-mouse-mode, noSDL_SyncWindow/SDL_GetCurrentTime/Properties API equivalents).OpenGL.swift: GL context management (SDL_GL_CreateContext/MakeCurrent/DeleteContext/SwapWindow/attributes/swap interval), previously uncovered.Keyboard.swift/Mouse.swift: polled input state (SDL_GetKeyboardState,SDL_GetMouseState, relative mouse mode, window mouse grab).Time.swift,Log.swift,MessageBox.swift,Rect.swift,Joystick.swift.Gamepad.swift(name, rumble, player index, mapping files),Window.swift(fullscreen, position),VideoDisplay.swift(bounds, usable bounds, per-window display index, current video driver), andEvent.swift(mouse wheel, text input, window close requested).Not ported (no SDL2 equivalent):
Properties.swift(SDL2 exposesSDL_GameControllerHasRumbledirectly, no general properties API),SDLWindow.sync()(noSDL_SyncWindowin SDL2),SDL.currentTime/SDLDateTime(noSDL_GetCurrentTime/SDL_time.hin SDL2).Test plan
swift build(whole package) succeedsswift test --filter SDL2Testspasses