54 lines
1.1 KiB
Rust
54 lines
1.1 KiB
Rust
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#![allow(unsafe_code)]
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use std::ffi::CString;
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use std::os::raw::c_char;
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use std::ptr;
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use x11::xlib;
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pub(crate) struct XSetRoot {
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display: *mut xlib::Display,
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root_window: xlib::Window,
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}
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impl XSetRoot {
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pub(crate) fn init() -> Self {
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unsafe {
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let display = xlib::XOpenDisplay(ptr::null());
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if display.is_null() {
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panic!("cannot open display");
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}
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let screen = xlib::XDefaultScreen(display);
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let root_window = xlib::XRootWindow(display, screen);
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Self {
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display,
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root_window,
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}
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}
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}
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pub(crate) fn render(&self, text: String) {
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let status_c = CString::new(text).expect("status text could not be converted to CString");
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unsafe {
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xlib::XStoreName(
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self.display,
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self.root_window,
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status_c.as_ptr() as *mut c_char,
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);
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xlib::XFlush(self.display);
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}
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}
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}
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impl Drop for XSetRoot {
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fn drop(&mut self) {
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unsafe {
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xlib::XCloseDisplay(self.display);
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}
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}
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}
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