hexchat 0.6.3

use crate::{c, to_cstring, ChannelRef};
use std::ptr;

/// Gets the current channel context.
pub fn get_current_channel() -> ChannelRef {
    ChannelRef {
        handle: unsafe { c!(hexchat_get_context) },
    }
}
/// Gets the channel that's currently focused in the HexChat window.
///
/// Returns the `ChannelRef` if found, or `None` if none exists.
pub fn get_focused_channel() -> Option<ChannelRef> {
    let handle = unsafe { c!(hexchat_find_context, ptr::null(), ptr::null()) };
    if handle.is_null() {
        None
    } else {
        Some(ChannelRef { handle })
    }
}
/// Gets the frontmost channel in a particular server.
///
/// Returns the `ChannelRef` if found, or `None` if none exists.
pub fn get_focused_channel_in_server(server_name: &str) -> Option<ChannelRef> {
    let server_name = to_cstring(server_name);
    let handle = unsafe { c!(hexchat_find_context, server_name.as_ptr(), ptr::null()) };
    if handle.is_null() {
        None
    } else {
        Some(ChannelRef { handle })
    }
}
/// Gets the first channel with the specified name in any server.
///
/// Returns the `ChannelRef` if found, or `None` if none exists.
pub fn get_first_channel(channel_name: &str) -> Option<ChannelRef> {
    let channel_name = to_cstring(channel_name);
    let handle = unsafe { c!(hexchat_find_context, ptr::null(), channel_name.as_ptr()) };
    if handle.is_null() {
        None
    } else {
        Some(ChannelRef { handle })
    }
}
/// Gets the first channel with the specified name in the specified server.
///
/// Returns the `ChannelRef` if found, or `None` if none exists.
pub fn get_channel(server_name: &str, channel_name: &str) -> Option<ChannelRef> {
    let channel_name = to_cstring(channel_name);
    let server_name = to_cstring(server_name);
    let handle = unsafe {
        c!(
            hexchat_find_context,
            server_name.as_ptr(),
            channel_name.as_ptr()
        )
    };
    if handle.is_null() {
        None
    } else {
        Some(ChannelRef { handle })
    }
}