starting to abstract away xlib backend
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@ -13,3 +13,4 @@ simple_logger = "1.11.0"
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dirs = "3.0.2"
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log4rs = "1.0.0"
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indexmap = "1.6.2"
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thiserror = "1.0.30"
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@ -5,10 +5,10 @@ pub mod window_event;
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pub trait WindowServerBackend<Window = u64> {
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fn next_event(&self) -> window_event::WindowEvent;
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fn add_keybind(&mut self, keybind: KeyBind, window: Some<Window>);
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fn remove_keybind(&mut self, keybind: KeyBind, window: Some<Window>);
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fn add_mousebind(&mut self, keybind: KeyBind, window: Some<Window>);
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fn remove_mousebind(&mut self, keybind: KeyBind, window: Some<Window>);
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fn add_keybind(&mut self, keybind: KeyBind, window: Option<Window>);
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fn remove_keybind(&mut self, keybind: KeyBind, window: Option<Window>);
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fn add_mousebind(&mut self, keybind: KeyBind, window: Option<Window>);
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fn remove_mousebind(&mut self, keybind: KeyBind, window: Option<Window>);
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fn focus_window(&self, window: Window);
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fn unfocus_window(&self, window: Window);
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fn move_window(&self, window: Window, pos: i32);
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@ -19,14 +19,111 @@ pub trait WindowServerBackend<Window = u64> {
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}
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pub mod xlib {
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use std::ffi::CString;
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use log::{error, warn};
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use std::{
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borrow::Borrow,
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convert::{TryFrom, TryInto},
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ffi::CString,
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rc::Rc,
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};
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use thiserror::Error;
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use x11::xlib::{Atom, Window, XInternAtom};
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use x11::xlib::{self, Atom, Window, XEvent, XInternAtom};
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use super::{window_event::WindowEvent, WindowServerBackend};
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#[derive(Clone)]
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pub struct Display(Rc<*mut xlib::Display>);
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pub struct Display(Rc<*mut x11::xlib::Display>);
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impl Deref for Display {}
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#[derive(Debug, Error)]
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pub enum XlibError {
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#[error("BadAccess")]
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BadAccess,
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#[error("BadAlloc")]
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BadAlloc,
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#[error("BadAtom")]
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BadAtom,
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#[error("BadColor")]
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BadColor,
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#[error("BadCursor")]
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BadCursor,
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#[error("BadDrawable")]
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BadDrawable,
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#[error("BadFont")]
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BadFont,
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#[error("BadGC")]
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BadGC,
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#[error("BadIDChoice")]
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BadIDChoice,
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#[error("BadImplementation")]
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BadImplementation,
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#[error("BadLength")]
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BadLength,
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#[error("BadMatch")]
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BadMatch,
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#[error("BadName")]
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BadName,
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#[error("BadPixmap")]
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BadPixmap,
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#[error("BadRequest")]
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BadRequest,
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#[error("BadValue")]
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BadValue,
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#[error("BadWindow")]
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BadWindow,
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#[error("Invalid XError: {0}")]
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InvalidError(u8),
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}
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impl From<u8> for XlibError {
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fn from(value: u8) -> Self {
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match value {
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xlib::BadAccess => XlibError::BadAccess,
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xlib::BadAlloc => XlibError::BadAlloc,
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xlib::BadAtom => XlibError::BadAtom,
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xlib::BadColor => XlibError::BadColor,
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xlib::BadCursor => XlibError::BadCursor,
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xlib::BadDrawable => XlibError::BadDrawable,
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xlib::BadFont => XlibError::BadFont,
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xlib::BadGC => XlibError::BadGC,
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xlib::BadIDChoice => XlibError::BadIDChoice,
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xlib::BadImplementation => XlibError::BadImplementation,
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xlib::BadLength => XlibError::BadLength,
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xlib::BadMatch => XlibError::BadMatch,
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xlib::BadName => XlibError::BadName,
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xlib::BadPixmap => XlibError::BadPixmap,
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xlib::BadRequest => XlibError::BadRequest,
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xlib::BadValue => XlibError::BadValue,
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xlib::BadWindow => XlibError::BadWindow,
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any => XlibError::InvalidError(any),
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}
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}
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}
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// impl Into<i32> for XlibError {
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// fn into(self) -> i32 {
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// match self {
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// XlibError::BadAccess => xlib::BadAccess.into(),
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// XlibError::BadAlloc => xlib::BadAlloc.into(),
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// XlibError::BadAtom => xlib::BadAtom.into(),
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// XlibError::BadColor => xlib::BadColor.into(),
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// XlibError::BadCursor => xlib::BadCursor.into(),
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// XlibError::BadDrawable => xlib::BadDrawable.into(),
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// XlibError::BadFont => xlib::BadFont.into(),
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// XlibError::BadGC => xlib::BadGC.into(),
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// XlibError::BadIDChoice => xlib::BadIDChoice.into(),
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// XlibError::BadImplementation => xlib::BadImplementation.into(),
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// XlibError::BadLength => xlib::BadLength.into(),
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// XlibError::BadMatch => xlib::BadMatch.into(),
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// XlibError::BadName => xlib::BadName.into(),
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// XlibError::BadPixmap => xlib::BadPixmap.into(),
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// XlibError::BadRequest => xlib::BadRequest.into(),
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// XlibError::BadValue => xlib::BadValue.into(),
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// XlibError::BadWindow => xlib::BadWindow.into(),
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// XlibError::InvalidError(err) => err,
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// }
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// }
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// }
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impl Display {
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pub fn new(display: *mut x11::xlib::Display) -> Self {
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@ -48,6 +145,102 @@ pub mod xlib {
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keybinds: Vec<()>,
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}
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impl XLib {
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fn dpy(&self) -> *mut xlib::Display {
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self.display.get()
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}
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fn next_xevent(&self) -> XEvent {
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unsafe {
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let mut event = std::mem::MaybeUninit::<xlib::XEvent>::zeroed()
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.assume_init();
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xlib::XNextEvent(self.dpy(), &mut event);
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event
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}
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}
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}
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impl TryFrom<XEvent> for WindowEvent {
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type Error = crate::error::Error;
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fn try_from(event: XEvent) -> Result<Self, Self::Error> {
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match event.get_type() {
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xlib::MapRequest => Ok(Self::MapRequestEvent {
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window: event.map_request.window,
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event: todo!(),
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}),
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_ => Err(Self::Error::UnknownEvent),
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}
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}
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}
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impl WindowServerBackend for XLib {
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fn next_event(&self) -> super::window_event::WindowEvent {
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self.next_xevent().try_into().unwrap()
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}
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fn add_keybind(
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&mut self,
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keybind: super::window_event::KeyBind,
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window: Option<u64>,
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) {
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todo!()
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}
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fn remove_keybind(
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&mut self,
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keybind: super::window_event::KeyBind,
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window: Option<u64>,
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) {
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todo!()
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}
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fn add_mousebind(
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&mut self,
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keybind: super::window_event::KeyBind,
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window: Option<u64>,
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) {
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todo!()
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}
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fn remove_mousebind(
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&mut self,
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keybind: super::window_event::KeyBind,
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window: Option<u64>,
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) {
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todo!()
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}
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fn focus_window(&self, window: u64) {
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todo!()
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}
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fn unfocus_window(&self, window: u64) {
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todo!()
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}
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fn move_window(&self, window: u64, pos: i32) {
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todo!()
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}
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fn resize_window(&self, window: u64, pos: i32) {
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todo!()
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}
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fn hide_window(&self, window: u64) {
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todo!()
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}
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fn screen_size(&self) -> (i32, i32) {
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todo!()
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}
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fn kill_window(&self, window: u64) {
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todo!()
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}
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}
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struct XLibAtoms {
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protocols: Atom,
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delete_window: Atom,
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@ -85,20 +278,24 @@ pub mod xlib {
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_dpy: *mut x11::xlib::Display,
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ee: *mut x11::xlib::XErrorEvent,
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) -> std::os::raw::c_int {
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let err = ee.as_ref().unwrap();
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let err_event = ee.as_ref().unwrap();
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let err = XlibError::from(err_event.error_code);
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if err.error_code == x11::xlib::BadWindow
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|| err.error_code == x11::xlib::BadDrawable
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|| err.error_code == x11::xlib::BadAccess
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|| err.error_code == x11::xlib::BadMatch
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{
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0
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} else {
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error!(
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"wm: fatal error:\nrequest_code: {}\nerror_code: {}",
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err.request_code, err.error_code
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);
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std::process::exit(1);
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match err {
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err @ XlibError::BadAccess
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| err @ XlibError::BadMatch
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| err @ XlibError::BadWindow
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| err @ XlibError::BadDrawable => {
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warn!("{:?}", err);
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0
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}
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_ => {
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error!(
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"wm: fatal error:\nrequest_code: {}\nerror_code: {}",
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err_event.request_code, err_event.error_code
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);
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std::process::exit(1)
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}
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}
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}
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}
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@ -1,5 +1,5 @@
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#![allow(dead_code)]
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use x11::xlib::Window;
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//use x11::xlib::Window;
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use super::keycodes::{MouseButton, VirtualKeyCode};
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18
src/main.rs
18
src/main.rs
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@ -14,6 +14,24 @@ mod state;
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mod util;
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mod xlib;
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pub mod error {
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use thiserror::Error;
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#[derive(Debug, Error)]
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pub enum Error {
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#[error("placeholder error for Result<T> as Option<T>")]
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NonError,
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#[error("Unknown Event")]
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UnknownEvent,
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#[error(transparent)]
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IoError(#[from] std::io::Error),
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#[error(transparent)]
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FmtError(#[from] std::fmt::Error),
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#[error(transparent)]
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XlibError(#[from] crate::backends::xlib::XlibError),
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}
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}
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fn init_logger() {
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let encoder = Box::new(PatternEncoder::new(
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"{d(%Y-%m-%d %H:%M:%S %Z)(utc)} │ {({M}::{f}:{L}):>25} │ {h({l:>5})} │ {m}{n}",
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