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#![warn(clippy::missing_inline_in_public_items)]
#![allow(clippy::result_unit_err)]

extern crate alloc;

use alloc::sync::Arc;
use fermium::{mouse::SDL_SetRelativeMouseMode, prelude::SDL_SetHint};
use init::{InitFlags, SdlInit};

pub mod controller;
pub mod error;
pub mod events;
pub mod init;
pub mod surface;
pub mod video;

#[derive(Clone)]
#[repr(transparent)]
pub struct Sdl {
  init: Arc<SdlInit>,
}
impl Sdl {
  #[inline]
  pub fn init(flags: InitFlags) -> Self {
    Self { init: SdlInit::try_new_arc(flags).unwrap() }
  }

  #[inline]
  pub fn set_controller_use_button_labels(&self, labels: bool) -> bool {
    const SDL_HINT_GAMECONTROLLER_USE_BUTTON_LABELS: &[u8] =
      b"SDL_GAMECONTROLLER_USE_BUTTON_LABELS\0";
    let value: &[u8] = if labels { b"1\0" } else { b"0\0" };
    unsafe {
      SDL_SetHint(SDL_HINT_GAMECONTROLLER_USE_BUTTON_LABELS.as_ptr().cast(), value.as_ptr().cast())
    }
    .into()
  }

  /// Tries to set the mouse into relative mode, returning `err` if that isn't
  /// supported.
  ///
  /// While the mouse is in relative mode, the cursor is hidden, and the driver
  /// will try to report continuous motion in the current window. Only relative
  /// motion events will be delivered, the mouse position will not change.
  ///
  /// In other words, this is what you'd use for an "FPS" style interface.
  #[inline]
  pub fn set_relative_mouse_mode(&self, b: bool) -> Result<(), ()> {
    if unsafe { SDL_SetRelativeMouseMode(b.into()) } == 0 {
      Ok(())
    } else {
      Err(())
    }
  }
}