alert/
alert.rs

1//! A simple message box tool which is wrappers around C APIs.
2//!
3//!
4//! # Example
5//!
6//! ```
7//! extern crate alerts;
8//!
9//! fn main() {
10//!     alert::alert("Alert","hello world");
11//! }
12//! ```
13
14#[cfg(windows)] extern crate winapi;
15use std::io::Error;
16
17#[cfg(windows)]
18fn alert_message(head: &str,msg: &str,_wflags: i32 ) -> Result<i32, Error> {
19    use std::ffi::OsStr;
20    use std::iter::once;
21    use std::os::windows::ffi::OsStrExt;
22    use std::ptr::null_mut;
23    use winapi::um::winuser::{MB_OK, MessageBoxW};
24    let whead: Vec<u16> = OsStr::new(head).encode_wide().chain(once(0)).collect();
25    let wmsg: Vec<u16> = OsStr::new(msg).encode_wide().chain(once(0)).collect();
26    let ret = unsafe {
27        MessageBoxW(null_mut(), wmsg.as_ptr(), whead.as_ptr(), MB_OK|winapi::um::winuser::MB_ICONEXCLAMATION)
28    };
29    if ret == 0 { Err(Error::last_os_error()) }
30        else { Ok(ret) }
31}
32#[cfg(not(windows))]
33fn alert_message(head: &str,msg: &str,_wflags: i32) -> Result<(), Error> {
34    println!("{}", msg);
35    Ok(())
36}
37
38pub fn alert(head: &str,msg: &str) {
39    alert_message( head,msg,0 ).unwrap();
40}
alert/alert.rs

alert/
alert.rs
