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#![crate_name = "allegro_dialog"]
#![crate_type = "lib"]
extern crate allegro;
extern crate allegro_dialog_sys;
#[macro_use]
extern crate allegro_util;
extern crate libc;
use allegro::{Core, Display, Flag};
use allegro_dialog_sys::*;
use std::ffi::CString;
flag_type! {
MessageBoxFlags
{
MESSAGEBOX_WARN = ALLEGRO_MESSAGEBOX_WARN,
MESSAGEBOX_ERROR = ALLEGRO_MESSAGEBOX_ERROR,
MESSAGEBOX_OK_CANCEL = ALLEGRO_MESSAGEBOX_OK_CANCEL,
MESSAGEBOX_YES_NO = ALLEGRO_MESSAGEBOX_YES_NO,
MESSAGEBOX_QUESTION = ALLEGRO_MESSAGEBOX_QUESTION
}
}
#[derive(Copy, Clone)]
pub enum MessageBoxResult
{
NoButton,
Affirmative,
Negatory,
}
pub struct DialogAddon
{
_dummy: (),
}
impl DialogAddon
{
pub fn init(_: &Core) -> Result<DialogAddon, String>
{
use std::sync::Once;
static mut RUN_ONCE: Once = Once::new();
let mut res = Err("The dialog addon already initialized.".into());
unsafe {
RUN_ONCE.call_once(|| {
res = if al_init_native_dialog_addon() != 0
{
Ok(DialogAddon { _dummy: () })
}
else
{
Err("Could not initialize the dialog addon.".into())
}
})
}
res
}
pub fn get_version() -> i32
{
unsafe { al_get_allegro_native_dialog_version() as i32 }
}
}
pub fn show_native_message_box(
display: Option<&Display>, title: &str, heading: &str, text: &str, buttons: Option<&str>,
flags: MessageBoxFlags,
) -> MessageBoxResult
{
use libc::c_int;
use std::ptr;
let d = display.map_or(ptr::null_mut(), |d| d.get_allegro_display());
let title = CString::new(title.as_bytes()).unwrap();
let heading = CString::new(heading.as_bytes()).unwrap();
let text = CString::new(text.as_bytes()).unwrap();
let ret = unsafe {
match buttons
{
Some(buttons) =>
{
let buttons = CString::new(buttons.as_bytes()).unwrap();
al_show_native_message_box(
d,
title.as_ptr(),
heading.as_ptr(),
text.as_ptr(),
buttons.as_ptr(),
flags.get() as c_int,
)
}
None => al_show_native_message_box(
d,
title.as_ptr(),
heading.as_ptr(),
text.as_ptr(),
ptr::null(),
flags.get() as c_int,
),
}
};
match ret
{
1 => MessageBoxResult::Affirmative,
2 => MessageBoxResult::Negatory,
_ => MessageBoxResult::NoButton,
}
}