48 lines
1.1 KiB
Rust
48 lines
1.1 KiB
Rust
// This code is a port of the libxkbcommon "interactive-evdev.c" example
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// https://github.com/xkbcommon/libxkbcommon/blob/master/tools/interactive-evdev.c
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use scopeguard::ScopeGuard;
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use super::ffi::{xkb_context, xkb_context_new, xkb_context_unref, XKB_CONTEXT_NO_FLAGS};
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use anyhow::Result;
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use thiserror::Error;
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pub struct Context {
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context: *mut xkb_context,
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}
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impl Context {
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pub fn new() -> Result<Context> {
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let raw_context = unsafe { xkb_context_new(XKB_CONTEXT_NO_FLAGS) };
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let context = scopeguard::guard(raw_context, |raw_context| unsafe {
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xkb_context_unref(raw_context);
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});
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if raw_context.is_null() {
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return Err(ContextError::FailedCreation().into());
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}
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Ok(Self {
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context: ScopeGuard::into_inner(context),
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})
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}
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pub fn get_handle(&self) -> *mut xkb_context {
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self.context
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}
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}
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impl Drop for Context {
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fn drop(&mut self) {
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unsafe {
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xkb_context_unref(self.context);
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}
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}
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}
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#[derive(Error, Debug)]
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pub enum ContextError {
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#[error("could not create xkb context")]
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FailedCreation(),
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}
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