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use crate::{c, from_cstring, to_cstring, Context};
use std::ffi::CStr;
use std::os::raw::c_char;
use std::ptr;
impl Context {
/// Gets a HexChat user preference by name. Returns the preference if found, or `None` if no
/// preference by that name exists.
pub fn get_global_pref(&self, name: &str) -> Option<GlobalPreferenceValue> {
let mut res_str = ptr::null();
let mut res_int = 0;
let name = to_cstring(name);
let res = unsafe {
c!(
hexchat_get_prefs,
self.handle,
name.as_ptr(),
&mut res_str,
&mut res_int
)
};
match res {
1 => Some(GlobalPreferenceValue::String(unsafe {
from_cstring(res_str)
})),
2 => Some(GlobalPreferenceValue::Int(res_int as _)),
3 => Some(GlobalPreferenceValue::Bool(res_int != 0)),
_ => None,
}
}
/// Gets the current cursor position in the text box, or `None` if it's deselected.
pub fn get_cursor_pos(&self) -> Option<usize> {
let mut res_int = 0;
let mut res_str = ptr::null();
let cursor_pos = to_cstring(CURSOR_POS);
let res = unsafe {
c!(
hexchat_get_prefs,
self.handle,
cursor_pos.as_ptr(),
&mut res_str,
&mut res_int
)
};
match res {
2 => Some(res_int as usize),
_ => None,
}
}
/// Gets the unique ID of the current server, or `None` if unknown.
pub fn get_server_id(&self) -> Option<i32> {
let mut res_int = 0;
let mut res_str = ptr::null();
let server_id = to_cstring(SERVER_ID);
let res = unsafe {
c!(
hexchat_get_prefs,
self.handle,
server_id.as_ptr(),
&mut res_str,
&mut res_int
)
};
match res {
2 => Some(res_int as _),
_ => None,
}
}
/// Saves a plugin preference string to file. Returns `Ok` if it succeeded, or `Err` if there
/// was an IO error.
pub fn set_pref_string(&self, name: &str, value: &str) -> Result<(), ()> {
let name = to_cstring(name);
let value = to_cstring(value);
let res = unsafe {
c!(
hexchat_pluginpref_set_str,
self.handle,
name.as_ptr(),
value.as_ptr()
)
};
if res == 0 {
Err(())
} else {
Ok(())
}
}
/// Saves a plugin preference integer to file. Returns `Ok` if it succeeeded, or `Err` if there
/// was an IO error.
pub fn set_pref_int(&self, name: &str, value: u32) -> Result<(), ()> {
let name = to_cstring(name);
let res = unsafe {
c!(
hexchat_pluginpref_set_int,
self.handle,
name.as_ptr(),
value as _
)
};
if res == 0 {
Err(())
} else {
Ok(())
}
}
/// Gets a plugin preference string from file. Returns the result, or `None` if no such
/// preference exists or there was an IO error.
pub fn get_pref_string(&self, name: &str) -> Option<String> {
let name = to_cstring(name);
let mut string_buf = [0 as c_char; 512];
let res = unsafe {
c!(
hexchat_pluginpref_get_str,
self.handle,
name.as_ptr(),
&mut string_buf as *mut [c_char] as _,
)
};
if res == 0 {
None
} else {
Some(unsafe { from_cstring(&string_buf as *const [c_char] as _) }.to_string())
}
}
/// Gets a plugin preference integer from file. Returns the result, or `None` if no such
/// preference exists or there was an IO error.
pub fn get_pref_int(&self, name: &str) -> Option<u32> {
let name = to_cstring(name);
let res = unsafe { c!(hexchat_pluginpref_get_int, self.handle, name.as_ptr()) };
if res == -1 {
None
} else {
Some(res as _)
}
}
/// Deletes a plugin preference from the preferences file. Returns `Ok` if it succeeded or `Err`
/// if no such preference exists or there was an IO error.
pub fn delete_pref(&self, name: &str) -> Result<(), ()> {
let name = to_cstring(name);
let res = unsafe { c!(hexchat_pluginpref_delete, self.handle, name.as_ptr()) };
if res == 0 {
Err(())
} else {
Ok(())
}
}
/// Gets every plugin preference name that has been saved.
pub fn get_prefs(&self) -> Vec<String> {
let mut buf = [0 as c_char; 4096];
unsafe {
c!(
hexchat_pluginpref_list,
self.handle,
&mut buf as *mut [c_char] as _
);
}
let list = unsafe { CStr::from_ptr(&buf as *const [c_char] as _).to_string_lossy() };
list.split(',').map(ToString::to_string).collect()
}
}
const CURSOR_POS: &str = "state_cursor";
const SERVER_ID: &str = "id";
/// Possible values from `Context::get_global_pref`.
pub enum GlobalPreferenceValue {
/// A boolean value.
Bool(bool),
/// An integer value.
Int(i32),
/// A string value.
String(String),
}