SDL Snake Mac OS

I'm trying to compile a cmake project on my mac, but it depends on the SDL framework. I installed this framework and after cmake then reported to me libSDL was not found I set following export vari.

  1. My operating system is macOS Mojave and I am experiencing the same thing. I've configured my development environment using Pyenv 1.2.9. On Pyenv, I've install Python 3.7.2 and Pygame 1.9.4. Python was installed using Pyenv and Pygame was installed using pip. When running my code snippet, I get this screen.
  2. The Haskell packages hsSDL2 and sdl2 are bindings to the C library libSDL. From Wikipedia: Simple DirectMedia Layer (SDL) is a cross-platform, free and open source software multimedia library written in C, that presents a simple interface to various platforms' graphics, sound, and input devices.

Is SDL software supported on a MAC OS?

0000027755/9/2018 9:16 PM
Using SDL applications on Apple Macintosh systems is not officially supported and we may not always be able to assist in configuring your Mac to make SDL software work. However, we will always try to help where we can and we will publish any relevant troubleshooting information in our knowledge base.
SDL Trados software has not been developed to run on an Apple Macintosh environment and the software has never been tested on any Macintosh platform.
SDL Trados Software is officially supported on a Microsoft Windows-based PC or an Intel-based Apple Mac computers running Windows as an operating system.
For some specific errors we have seen on Mac environments, please take a look at this article:
This is new wiki software and old wiki content. It's a work in progress!
Here's the explanation.
Be gentle,report bugs,leave feedback on pages,or just edit them yourself! Thanks!
Sdl snake mac os 11

An enumeration of the types of events that can be delivered.

Values

<style='color: #808080;'>SDL_FIRSTEVENT

<style='color: #808080;'>do not remove (unused)

<bgcolor='#EDEDED'>Application events

SDL_QUIT

user-requested quit; see Remarks for details

<bgcolor='#EDEDED'>Android, iOS and WinRT events; see Remarks for details

SDL_APP_TERMINATING

OS is terminating the application

SDL_APP_LOWMEMORY

OS is low on memory; free some

SDL_APP_WILLENTERBACKGROUND

application is entering background

SDL_APP_DIDENTERBACKGROUND

application entered background

SDL_APP_WILLENTERFOREGROUND

application is entering foreground

SDL_APP_DIDENTERFOREGROUND

application entered foreground

<bgcolor='#EDEDED'>Window events

window state change

system specific event

<bgcolor='#EDEDED'>Keyboard events

key pressed

key released

keyboard text editing (composition)

keyboard text input

SDL_KEYMAPCHANGED

keymap changed due to a system event such as an input language or keyboard layout change (>= SDL 2.0.4)

<bgcolor='#EDEDED'>Mouse events

mouse moved

mouse button pressed

mouse button released

mouse wheel motion

<bgcolor='#EDEDED'>Joystick events

joystick axis motion

joystick trackball motion

joystick hat position change

joystick button pressed

joystick button released

joystick connected

joystick disconnected

<bgcolor='#EDEDED'>Controller events

controller axis motion

controller button pressed

controller button released

controller connected

controller disconnected

controller mapping updated

<bgcolor='#EDEDED'>Touch events

user has touched input device

user stopped touching input device

user is dragging finger on input device

<bgcolor='#EDEDED'>Gesture events

<bgcolor='#EDEDED'>Clipboard events

SDL_CLIPBOARDUPDATE

the clipboard changed

<bgcolor='#EDEDED'>Drag and drop events

the system requests a file open

text/plain drag-and-drop event

a new set of drops is beginning (>= SDL 2.0.5)

current set of drops is now complete (>= SDL 2.0.5)

<bgcolor='#EDEDED'>Audio hotplug events

a new audio device is available (>= SDL 2.0.4)

an audio device has been removed (>= SDL 2.0.4)

<bgcolor='#EDEDED'>Render events

SDL_RENDER_TARGETS_RESET

the render targets have been reset and their contents need to be updated (>= SDL 2.0.2)

SDL_RENDER_DEVICE_RESET

the device has been reset and all textures need to be recreated (>= SDL 2.0.4)

<bgcolor='#EDEDED'>These are for your use, and should be allocated with SDL_RegisterEvents()

SDL_USEREVENT

a user-specified event

SDL_LASTEVENT

only for bounding internal arrays

Code Examples

Remarks

SDL_QUIT

SDL_QUIT events are generated for a variety of reasons. An application can choose to ignore the event, for example, if it wants to offer a prompt asking the user to save the current work.

An SDL_QUIT event is generated when the user clicks on the close button of the last existing window. This happens in addition to the SDL_WINDOWEVENT/SDL_WINDOWEVENT_CLOSE event, so the application can check whichever is appropriate, or both, or neither. If the application ignores this event and creates another window, SDL_QUIT will be sent again the next time the user clicks on the last remaining window's close button.

SDL_QUIT is not limited to window closing. On Mac OS X, pressing Command-Q (the standard keyboard shortcut for 'Quit this application') will cause SDL to generate an SDL_QUIT event, regardless of what windows exist at the time. The application is still responsible for terminating itself properly, however. Applications that completely ignore Command-Q will fail Mac App Store certification.

On POSIX systems, [SDL_Init]]() installs [signal handlers for SIGINT (keyboard interrupt) and SIGTERM (system termination request), if handlers do not already exist, that generate SDL_QUIT events as well. There is no way to determine the cause of an SDL_QUIT event, but setting a signal handler in your application will override the default generation of quit events for that signal.

Android, iOS and WinRT Events

Sdl Snake Mac Os X

What we currently label as 'Android, iOS and WinRT events' are specific to mobile and embedded devices that have different requirements than your usual desktop application. These events must be handled in an event filter, since often the OS needs an immediate response and will terminate your process shortly after sending the event, and if it sits in the SDL event queue, it'll be too late. You can handle everything else through a normal SDL_PollEvent() loop, but you should set up a callback with SDL_SetEventFilter() for these specific events.

This is how these events currently map to the underlying OS:

SDL event

What

iOS

Android

WinRT

SDL_APP_TERMINATING

The application is being terminated by the OS.

applicationWillTerminate()

onDestroy()

Exiting()

SDL_APP_LOWMEMORY

The application is low on memory, free memory if possible.

applicationDidReceiveMemoryWarning()

onLowMemory()

--

SDL_APP_WILLENTERBACKGROUND

The application is about to enter the background.

applicationWillResignActive()

onPause()

Suspending()

SDL_APP_DIDENTERBACKGROUND

The application did enter the background and may not get CPU for some time.

applicationDidEnterBackground()

onPause()

Suspending()

SDL_APP_WILLENTERFOREGROUND

The application is about to enter the foreground.

applicationWillEnterForeground()

onResume()

Resuming()

SDL_APP_DIDENTERFOREGROUND

The application is now interactive.

applicationDidBecomeActive()

onResume()

Resuming()

Related Structures

SDL_JoyAxisEvent
SDL_JoyBallEvent
SDL_JoyButtonEvent
SDL_JoyHatEvent
SDL_JoyDeviceEvent
SDL_ControllerAxisEvent
SDL_ControllerButtonEvent
SDL_ControllerDeviceEvent
SDL_KeyboardEvent
SDL_MouseButtonEvent
SDL_MouseMotionEvent
SDL_MouseWheelEvent
SDL_QuitEvent
SDL_SysWMEvent
SDL_TextEditingEvent
SDL_TextInputEvent
SDL_UserEvent
SDL_WindowEvent
SDL_DropEvent
SDL_AudioDeviceEvent
SDL_TouchFingerEvent
SDL_DollarGestureEvent
SDL_MultiGestureEvent

Sdl Snake Mac Os 11

Related Functions

SDL_PollEvent
SDL_SetEventFilter

CategoryEnum, CategoryEvents

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