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use allegro_util::{from_c_str, Flag};
use core::Core;
use ffi::*;
use libc::*;
use std::mem;
flag_type! {
StickFlags
{
DIGITAL = ALLEGRO_JOYFLAG_DIGITAL,
ANALOGUE = ALLEGRO_JOYFLAG_ANALOGUE
}
}
#[allow(missing_copy_implementations)]
pub struct Joystick
{
allegro_joystick: *mut ALLEGRO_JOYSTICK,
}
impl Joystick
{
pub fn new(core: &Core, idx: i32) -> Result<Joystick, ()>
{
assert!(
core.is_joystick_installed(),
"Joystick support not installed!"
);
let ptr = unsafe { al_get_joystick(idx as i32) };
if !ptr.is_null()
{
Ok(Joystick {
allegro_joystick: ptr,
})
}
else
{
Err(())
}
}
pub fn is_active(&self) -> bool
{
unsafe { al_get_joystick_active(self.allegro_joystick) != 0 }
}
pub fn get_name(&self) -> Result<String, ()>
{
unsafe {
let ptr = al_get_joystick_name(self.allegro_joystick);
if !ptr.is_null()
{
Ok(from_c_str(ptr))
}
else
{
Err(())
}
}
}
pub fn get_num_sticks(&self) -> i32
{
unsafe { al_get_joystick_num_sticks(self.allegro_joystick) as i32 }
}
pub fn get_stick_flags(&self, stick: i32) -> StickFlags
{
unsafe {
mem::transmute(al_get_joystick_stick_flags(
self.allegro_joystick,
stick as c_int,
))
}
}
pub fn get_stick_name(&self, stick: i32) -> Result<String, ()>
{
unsafe {
let ptr = al_get_joystick_stick_name(self.allegro_joystick, stick as c_int);
if !ptr.is_null()
{
Ok(from_c_str(ptr))
}
else
{
Err(())
}
}
}
pub fn get_num_axes(&self, stick: i32) -> i32
{
unsafe { al_get_joystick_num_axes(self.allegro_joystick, stick as c_int) as i32 }
}
pub fn get_axis_name(&self, stick: i32, axis: i32) -> Result<String, ()>
{
unsafe {
let ptr =
al_get_joystick_axis_name(self.allegro_joystick, stick as c_int, axis as c_int);
if !ptr.is_null()
{
Ok(from_c_str(ptr))
}
else
{
Err(())
}
}
}
pub fn get_num_buttons(&self) -> i32
{
unsafe { al_get_joystick_num_buttons(self.allegro_joystick) as i32 }
}
pub fn get_button_name(&self, button: i32) -> Result<String, ()>
{
unsafe {
let ptr = al_get_joystick_button_name(self.allegro_joystick, button as c_int);
if !ptr.is_null()
{
Ok(from_c_str(ptr))
}
else
{
Err(())
}
}
}
pub fn get_allegro_joystick(&self) -> *mut ALLEGRO_JOYSTICK
{
self.allegro_joystick
}
}