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path: root/src/widgets/log.rs
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use std::ptr;

use crate::bindings;

pub struct Log {
    ptr: *mut bindings::Logwidget,
}

pub struct LogBuilder<'a> {
    lefttop: (u32, u32),
    size: (u32, u32),
    title: Option<&'a str>,
    timestamps: bool,
}

impl<'a> LogBuilder<'a> {
    pub fn add_title<'s: 'a>(&'a mut self, title: &'s str)
                -> &'a mut LogBuilder<'a> {
        self.title = Some(title);
        self
    }

    pub fn set_timestamps(&'a mut self, timestamps: bool)
                -> &'a mut LogBuilder<'a> {
        self.timestamps = timestamps;
        self
    }

    pub fn create(&self) -> Log {
        Log {
            ptr: unsafe {
                bindings::lgw_make(
                    self.lefttop.0 as i32, self.lefttop.1 as i32,
                    self.size.0 as i32, self.size.1 as i32,
                    match self.title {
                        None => ptr::null(),
                        Some(s) => s.as_ptr() as *const i8,
                    },
                    self.timestamps)
            }
        }
    }
}

impl Log {
    pub fn new<'a>(lefttop: (u32, u32), size: (u32, u32)) -> LogBuilder<'a> {
        LogBuilder {
            lefttop, size,
            title: None,
            timestamps: false,
        }
    }

    pub fn redraw(&self) {
        unsafe { bindings::lgw_redraw(self.ptr); }
    }

    pub fn add(&mut self, line: &str) {
        unsafe { bindings::lgw_add(self.ptr, line.as_ptr() as *const i8); }
    }

    pub fn clear(&mut self) {
        unsafe { bindings::lgw_clear(self.ptr); }
    }

    pub fn change_title(&mut self, title: &str) {
        unsafe { bindings::lgw_changetitle(self.ptr, title.as_ptr() as *const i8); }
    }
}

impl Drop for Log {
    fn drop(&mut self) {
        unsafe { bindings::lgw_destroy(self.ptr); }
    }
}