Sync clipboard between X11 and Wayland
You would not believe how much work this was. Closes #23
This commit is contained in:
Shawn Wallace
parent
601223d3ae
commit
5e7f2df05e
14 changed files with 1703 additions and 189 deletions
843
src/xstate.rs
843
src/xstate.rs
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@ -1,843 +0,0 @@
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use crate::server::WindowAttributes;
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use bitflags::bitflags;
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use log::{debug, trace, warn};
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use std::ffi::CString;
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use std::os::fd::{AsRawFd, BorrowedFd};
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use std::sync::Arc;
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use xcb::{x, Xid, XidNew};
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use xcb_util_cursor::{Cursor, CursorContext};
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pub struct XState {
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pub connection: Arc<xcb::Connection>,
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root: x::Window,
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pub atoms: Atoms,
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}
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// Sometimes we'll get events on windows that have already been destroyed
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#[derive(Debug)]
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enum MaybeBadWindow {
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BadWindow,
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Other(xcb::Error),
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}
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impl From<xcb::Error> for MaybeBadWindow {
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fn from(value: xcb::Error) -> Self {
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match value {
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xcb::Error::Protocol(xcb::ProtocolError::X(
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x::Error::Window(_) | x::Error::Drawable(_),
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_,
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)) => Self::BadWindow,
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other => Self::Other(other),
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}
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}
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}
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impl From<xcb::ProtocolError> for MaybeBadWindow {
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fn from(value: xcb::ProtocolError) -> Self {
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match value {
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xcb::ProtocolError::X(x::Error::Window(_) | x::Error::Drawable(_), _) => {
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Self::BadWindow
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}
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other => Self::Other(xcb::Error::Protocol(other)),
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}
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}
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}
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type XResult<T> = Result<T, MaybeBadWindow>;
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macro_rules! unwrap_or_skip_bad_window {
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($err:expr) => {
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match $err {
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Ok(v) => v,
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Err(e) => {
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let err = MaybeBadWindow::from(e);
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match err {
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MaybeBadWindow::BadWindow => return,
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MaybeBadWindow::Other(other) => panic!("X11 protocol error: {other:?}"),
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}
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}
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}
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};
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}
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/// Essentially a trait alias.
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trait PropertyResolver {
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type Output;
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fn resolve(self, reply: x::GetPropertyReply) -> Self::Output;
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}
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impl<T, Output> PropertyResolver for T
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where
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T: FnOnce(x::GetPropertyReply) -> Output,
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{
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type Output = Output;
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fn resolve(self, reply: x::GetPropertyReply) -> Self::Output {
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(self)(reply)
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}
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}
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struct PropertyCookieWrapper<'a, F: PropertyResolver> {
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connection: &'a xcb::Connection,
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cookie: x::GetPropertyCookie,
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resolver: F,
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}
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impl<F: PropertyResolver> PropertyCookieWrapper<'_, F> {
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/// Get the result from our property cookie.
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fn resolve(self) -> XResult<Option<F::Output>> {
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let reply = self.connection.wait_for_reply(self.cookie)?;
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if reply.r#type() == x::ATOM_NONE {
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Ok(None)
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} else {
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Ok(Some(self.resolver.resolve(reply)))
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}
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}
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}
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#[derive(Debug)]
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pub enum WmName {
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WmName(String),
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NetWmName(String),
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}
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impl WmName {
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pub fn name(&self) -> &str {
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match self {
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Self::WmName(n) => n,
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Self::NetWmName(n) => n,
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}
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}
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}
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impl XState {
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pub fn new(fd: BorrowedFd) -> Self {
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let connection = Arc::new(xcb::Connection::connect_to_fd(fd.as_raw_fd(), None).unwrap());
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let setup = connection.get_setup();
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let screen = setup.roots().next().unwrap();
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let root = screen.root();
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connection
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.send_and_check_request(&x::ChangeWindowAttributes {
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window: root,
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value_list: &[x::Cw::EventMask(
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x::EventMask::SUBSTRUCTURE_REDIRECT // To have Xwayland send us WL_SURFACE_ID
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| x::EventMask::SUBSTRUCTURE_NOTIFY // To get notified whenever new windows are created
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| x::EventMask::RESIZE_REDIRECT,
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)],
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})
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.unwrap();
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let atoms = Atoms::intern_all(&connection).unwrap();
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trace!("atoms: {atoms:#?}");
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// This makes Xwayland spit out damage tracking
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connection
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.send_and_check_request(&xcb::composite::RedirectSubwindows {
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window: screen.root(),
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update: xcb::composite::Redirect::Manual,
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})
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.unwrap();
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// Setup default cursor theme
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let ctx = CursorContext::new(&connection, screen).unwrap();
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let left_ptr = ctx.load_cursor(Cursor::LeftPtr);
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connection
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.send_and_check_request(&x::ChangeWindowAttributes {
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window: root,
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value_list: &[x::Cw::Cursor(left_ptr)],
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})
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.unwrap();
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let mut r = Self {
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connection,
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root,
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atoms,
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};
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r.create_ewmh_window();
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r
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}
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fn set_root_property<P: x::PropEl>(&self, property: x::Atom, r#type: x::Atom, data: &[P]) {
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self.connection
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.send_and_check_request(&x::ChangeProperty {
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mode: x::PropMode::Replace,
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window: self.root,
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property,
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r#type,
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data,
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})
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.unwrap();
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}
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fn create_ewmh_window(&mut self) {
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let window = self.connection.generate_id();
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self.connection
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.send_and_check_request(&x::CreateWindow {
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depth: 0,
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wid: window,
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parent: self.root,
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x: 0,
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y: 0,
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width: 1,
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height: 1,
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border_width: 0,
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class: x::WindowClass::InputOnly,
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visual: x::COPY_FROM_PARENT,
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value_list: &[],
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})
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.unwrap();
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self.set_root_property(self.atoms.wm_check, x::ATOM_WINDOW, &[window]);
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self.set_root_property(self.atoms.active_win, x::ATOM_WINDOW, &[x::Window::none()]);
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self.set_root_property(self.atoms.supported, x::ATOM_ATOM, &[self.atoms.active_win]);
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self.connection
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.send_and_check_request(&x::ChangeProperty {
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mode: x::PropMode::Replace,
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window,
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property: self.atoms.wm_check,
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r#type: x::ATOM_WINDOW,
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data: &[window],
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})
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.unwrap();
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self.connection
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.send_and_check_request(&x::ChangeProperty {
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mode: x::PropMode::Replace,
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window,
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property: self.atoms.net_wm_name,
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r#type: x::ATOM_STRING,
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data: b"exwayland wm",
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})
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.unwrap();
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}
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pub fn handle_events(&mut self, server_state: &mut super::RealServerState) {
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macro_rules! unwrap_or_skip_bad_window_cont {
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($err:expr) => {
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match $err {
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Ok(v) => v,
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Err(e) => {
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let err = MaybeBadWindow::from(e);
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match err {
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MaybeBadWindow::BadWindow => continue,
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MaybeBadWindow::Other(other) => panic!("X11 protocol error: {other:?}"),
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}
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}
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}
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};
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}
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while let Some(event) = self.connection.poll_for_event().unwrap() {
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trace!("x11 event: {event:?}");
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match event {
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xcb::Event::X(x::Event::CreateNotify(e)) => {
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debug!("new window: {:?}", e);
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let parent = e.parent();
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let parent = if parent.is_none() || parent == self.root {
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None
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} else {
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Some(parent)
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};
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server_state.new_window(e.window(), e.override_redirect(), (&e).into(), parent);
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}
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xcb::Event::X(x::Event::ReparentNotify(e)) => {
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debug!("reparent event: {e:?}");
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if e.parent() == self.root {
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let attrs =
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unwrap_or_skip_bad_window_cont!(self.get_window_attributes(e.window()));
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server_state.new_window(
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e.window(),
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attrs.override_redirect,
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attrs.dims,
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None,
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);
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self.handle_window_attributes(server_state, e.window(), attrs);
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} else {
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debug!("destroying window since its parent is no longer root!");
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server_state.destroy_window(e.window());
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}
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}
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xcb::Event::X(x::Event::MapRequest(e)) => {
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debug!("requested to map {:?}", e.window());
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unwrap_or_skip_bad_window_cont!(self
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.connection
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.send_and_check_request(&x::MapWindow { window: e.window() }));
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}
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xcb::Event::X(x::Event::MapNotify(e)) => {
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unwrap_or_skip_bad_window_cont!(self.connection.send_and_check_request(
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&x::ChangeWindowAttributes {
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window: e.window(),
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value_list: &[x::Cw::EventMask(x::EventMask::PROPERTY_CHANGE)],
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}
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));
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let attrs =
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unwrap_or_skip_bad_window_cont!(self.get_window_attributes(e.window()));
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self.handle_window_attributes(server_state, e.window(), attrs);
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server_state.map_window(e.window());
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}
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xcb::Event::X(x::Event::ConfigureNotify(e)) => {
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server_state.reconfigure_window(e);
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}
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xcb::Event::X(x::Event::UnmapNotify(e)) => {
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trace!("unmap event: {:?}", e.event());
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server_state.unmap_window(e.window());
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unwrap_or_skip_bad_window_cont!(self.connection.send_and_check_request(
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&x::ChangeWindowAttributes {
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window: e.window(),
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value_list: &[x::Cw::EventMask(x::EventMask::empty())],
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}
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));
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let active_win = self
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.connection
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.wait_for_reply(self.get_property_cookie(
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self.root,
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self.atoms.active_win,
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x::ATOM_WINDOW,
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1,
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))
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.unwrap();
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let active_win: &[x::Window] = active_win.value();
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if active_win[0] == e.window() {
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self.connection
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.send_and_check_request(&x::ChangeProperty {
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mode: x::PropMode::Replace,
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window: self.root,
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property: self.atoms.active_win,
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r#type: x::ATOM_WINDOW,
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data: &[x::Window::none()],
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})
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.unwrap();
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}
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}
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xcb::Event::X(x::Event::DestroyNotify(e)) => {
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debug!("destroying window {:?}", e.window());
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server_state.destroy_window(e.window());
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}
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xcb::Event::X(x::Event::PropertyNotify(e)) => {
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self.handle_property_change(e, server_state);
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}
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xcb::Event::X(x::Event::ConfigureRequest(e)) => {
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debug!("{:?} request: {:?}", e.window(), e.value_mask());
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let mut list = Vec::new();
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let mask = e.value_mask();
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if mask.contains(x::ConfigWindowMask::X) {
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list.push(x::ConfigWindow::X(e.x().into()));
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}
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if mask.contains(x::ConfigWindowMask::Y) {
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list.push(x::ConfigWindow::Y(e.y().into()));
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}
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if mask.contains(x::ConfigWindowMask::WIDTH) {
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list.push(x::ConfigWindow::Width(e.width().into()));
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}
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if mask.contains(x::ConfigWindowMask::HEIGHT) {
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list.push(x::ConfigWindow::Height(e.height().into()));
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}
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unwrap_or_skip_bad_window_cont!(self.connection.send_and_check_request(
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&x::ConfigureWindow {
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window: e.window(),
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value_list: &list,
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}
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));
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}
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xcb::Event::X(x::Event::ClientMessage(e)) => match e.r#type() {
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x if x == self.atoms.wl_surface_id => {
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panic!("Xserver should be using WL_SURFACE_SERIAL, not WL_SURFACE_ID");
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}
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x if x == self.atoms.wl_surface_serial => {
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let x::ClientMessageData::Data32(data) = e.data() else {
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unreachable!();
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};
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server_state.set_window_serial(e.window(), [data[0], data[1]]);
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}
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x if x == self.atoms.net_wm_state => {
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let x::ClientMessageData::Data32(data) = e.data() else {
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unreachable!();
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};
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let Ok(action) = SetState::try_from(data[0]) else {
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warn!("unknown action for _NET_WM_STATE: {}", data[0]);
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continue;
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};
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let prop1 = unsafe { x::Atom::new(data[1]) };
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let prop2 = unsafe { x::Atom::new(data[2]) };
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trace!("_NET_WM_STATE ({action:?}) props: {prop1:?} {prop2:?}");
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for prop in [prop1, prop2] {
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match prop {
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x if x == self.atoms.wm_fullscreen => {
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server_state.set_fullscreen(e.window(), action);
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}
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_ => {}
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}
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}
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}
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t => warn!("unrecognized message: {t:?}"),
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},
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xcb::Event::X(x::Event::MappingNotify(_)) => {}
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other => {
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warn!("unhandled event: {other:?}");
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}
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}
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server_state.run();
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}
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}
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fn get_window_attributes(&self, window: x::Window) -> XResult<WindowAttributes> {
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let geometry = self.connection.send_request(&x::GetGeometry {
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drawable: x::Drawable::Window(window),
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});
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let attrs = self
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.connection
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.send_request(&x::GetWindowAttributes { window });
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let name = self.get_net_wm_name(window);
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let class = self.get_wm_class(window);
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let wm_hints = self.get_wm_hints(window);
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let size_hints = self.get_wm_size_hints(window);
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let geometry = self.connection.wait_for_reply(geometry)?;
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let attrs = self.connection.wait_for_reply(attrs)?;
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let mut title = name.resolve()?;
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if title.is_none() {
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title = self.get_wm_name(window).resolve()?;
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}
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debug!("got title: {title:?}");
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let class = class.resolve()?;
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let wm_hints = wm_hints.resolve()?;
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let size_hints = size_hints.resolve()?;
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Ok(WindowAttributes {
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override_redirect: attrs.override_redirect(),
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popup_for: None,
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dims: WindowDims {
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x: geometry.x(),
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y: geometry.y(),
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width: geometry.width(),
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height: geometry.height(),
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},
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title,
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class,
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group: wm_hints.and_then(|h| h.window_group),
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size_hints,
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})
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}
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fn handle_window_attributes(
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&self,
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server_state: &mut super::RealServerState,
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window: x::Window,
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attrs: WindowAttributes,
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) {
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if let Some(name) = attrs.title {
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server_state.set_win_title(window, name);
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}
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if let Some(class) = attrs.class {
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server_state.set_win_class(window, class);
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}
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if let Some(hints) = attrs.size_hints {
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server_state.set_size_hints(window, hints);
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}
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}
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fn get_property_cookie(
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&self,
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window: x::Window,
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property: x::Atom,
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ty: x::Atom,
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long_length: u32,
|
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) -> x::GetPropertyCookie {
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self.connection.send_request(&x::GetProperty {
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delete: false,
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window,
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property,
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r#type: ty,
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long_offset: 0,
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long_length,
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})
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}
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|
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fn get_wm_class(
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&self,
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window: x::Window,
|
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) -> PropertyCookieWrapper<impl PropertyResolver<Output = String>> {
|
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let cookie = self.get_property_cookie(window, x::ATOM_WM_CLASS, x::ATOM_STRING, 256);
|
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let resolver = move |reply: x::GetPropertyReply| {
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let data: &[u8] = reply.value();
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trace!("wm class data: {data:?}");
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// wm class (normally) is instance + class - ignore instance
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let class_start = if let Some(p) = data.iter().copied().position(|b| b == 0u8) {
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p + 1
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} else {
|
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0
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};
|
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let mut data = data[class_start..].to_vec();
|
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if data.last().copied().unwrap() != 0 {
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data.push(0);
|
||||
}
|
||||
let class = CString::from_vec_with_nul(data).unwrap();
|
||||
trace!("{:?} class: {class:?}", window);
|
||||
class.to_string_lossy().to_string()
|
||||
};
|
||||
PropertyCookieWrapper {
|
||||
connection: &self.connection,
|
||||
cookie,
|
||||
resolver,
|
||||
}
|
||||
}
|
||||
|
||||
fn get_wm_name(
|
||||
&self,
|
||||
window: x::Window,
|
||||
) -> PropertyCookieWrapper<impl PropertyResolver<Output = WmName>> {
|
||||
let cookie = self.get_property_cookie(window, x::ATOM_WM_NAME, x::ATOM_STRING, 256);
|
||||
let resolver = |reply: x::GetPropertyReply| {
|
||||
let data: &[u8] = reply.value();
|
||||
WmName::WmName(String::from_utf8(data.to_vec()).unwrap())
|
||||
};
|
||||
|
||||
PropertyCookieWrapper {
|
||||
connection: &self.connection,
|
||||
cookie,
|
||||
resolver,
|
||||
}
|
||||
}
|
||||
|
||||
fn get_net_wm_name(
|
||||
&self,
|
||||
window: x::Window,
|
||||
) -> PropertyCookieWrapper<impl PropertyResolver<Output = WmName>> {
|
||||
let cookie =
|
||||
self.get_property_cookie(window, self.atoms.net_wm_name, self.atoms.utf8_string, 256);
|
||||
let resolver = |reply: x::GetPropertyReply| {
|
||||
let data: &[u8] = reply.value();
|
||||
WmName::NetWmName(String::from_utf8(data.to_vec()).unwrap())
|
||||
};
|
||||
|
||||
PropertyCookieWrapper {
|
||||
connection: &self.connection,
|
||||
cookie,
|
||||
resolver,
|
||||
}
|
||||
}
|
||||
|
||||
fn get_wm_hints(
|
||||
&self,
|
||||
window: x::Window,
|
||||
) -> PropertyCookieWrapper<impl PropertyResolver<Output = WmHints>> {
|
||||
let cookie = self.get_property_cookie(window, x::ATOM_WM_HINTS, x::ATOM_WM_HINTS, 9);
|
||||
let resolver = |reply: x::GetPropertyReply| {
|
||||
let data: &[u32] = reply.value();
|
||||
let hints = WmHints::from(data);
|
||||
trace!("wm hints: {hints:?}");
|
||||
hints
|
||||
};
|
||||
PropertyCookieWrapper {
|
||||
connection: &self.connection,
|
||||
cookie,
|
||||
resolver,
|
||||
}
|
||||
}
|
||||
|
||||
fn get_wm_size_hints(
|
||||
&self,
|
||||
window: x::Window,
|
||||
) -> PropertyCookieWrapper<impl PropertyResolver<Output = WmNormalHints>> {
|
||||
let cookie =
|
||||
self.get_property_cookie(window, x::ATOM_WM_NORMAL_HINTS, x::ATOM_WM_SIZE_HINTS, 9);
|
||||
let resolver = |reply: x::GetPropertyReply| {
|
||||
let data: &[u32] = reply.value();
|
||||
WmNormalHints::from(data)
|
||||
};
|
||||
|
||||
PropertyCookieWrapper {
|
||||
connection: &self.connection,
|
||||
cookie,
|
||||
resolver,
|
||||
}
|
||||
}
|
||||
|
||||
fn handle_property_change(
|
||||
&self,
|
||||
event: x::PropertyNotifyEvent,
|
||||
server_state: &mut super::RealServerState,
|
||||
) {
|
||||
if event.state() != x::Property::NewValue {
|
||||
println!("ignoring non newvalue for property {:?}", event.atom());
|
||||
return;
|
||||
}
|
||||
|
||||
let window = event.window();
|
||||
|
||||
match event.atom() {
|
||||
x if x == x::ATOM_WM_HINTS => {
|
||||
let hints =
|
||||
unwrap_or_skip_bad_window!(self.get_wm_hints(window).resolve()).unwrap();
|
||||
server_state.set_win_hints(window, hints);
|
||||
}
|
||||
x if x == x::ATOM_WM_NORMAL_HINTS => {
|
||||
let hints =
|
||||
unwrap_or_skip_bad_window!(self.get_wm_size_hints(window).resolve()).unwrap();
|
||||
server_state.set_size_hints(window, hints);
|
||||
}
|
||||
x if x == x::ATOM_WM_NAME => {
|
||||
let name = unwrap_or_skip_bad_window!(self.get_wm_name(window).resolve()).unwrap();
|
||||
server_state.set_win_title(window, name);
|
||||
}
|
||||
x if x == self.atoms.net_wm_name => {
|
||||
let name =
|
||||
unwrap_or_skip_bad_window!(self.get_net_wm_name(window).resolve()).unwrap();
|
||||
server_state.set_win_title(window, name);
|
||||
}
|
||||
x if x == x::ATOM_WM_CLASS => {
|
||||
let class =
|
||||
unwrap_or_skip_bad_window!(self.get_wm_class(window).resolve()).unwrap();
|
||||
server_state.set_win_class(window, class);
|
||||
}
|
||||
_ => {
|
||||
if log::log_enabled!(log::Level::Debug) {
|
||||
let prop = self
|
||||
.connection
|
||||
.wait_for_reply(
|
||||
self.connection
|
||||
.send_request(&x::GetAtomName { atom: event.atom() }),
|
||||
)
|
||||
.unwrap();
|
||||
|
||||
debug!("changed property {:?} for {:?}", prop.name(), window);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
xcb::atoms_struct! {
|
||||
#[derive(Clone, Debug)]
|
||||
pub struct Atoms {
|
||||
pub wl_surface_id => b"WL_SURFACE_ID" only_if_exists = false,
|
||||
pub wl_surface_serial => b"WL_SURFACE_SERIAL" only_if_exists = false,
|
||||
pub wm_protocols => b"WM_PROTOCOLS" only_if_exists = false,
|
||||
pub wm_delete_window => b"WM_DELETE_WINDOW" only_if_exists = false,
|
||||
pub wm_transient_for => b"WM_TRANSIENT_FOR" only_if_exists = false,
|
||||
pub wm_check => b"_NET_SUPPORTING_WM_CHECK" only_if_exists = false,
|
||||
pub net_wm_name => b"_NET_WM_NAME" only_if_exists = false,
|
||||
pub wm_pid => b"_NET_WM_PID" only_if_exists = false,
|
||||
pub net_wm_state => b"_NET_WM_STATE" only_if_exists = false,
|
||||
pub wm_fullscreen => b"_NET_WM_STATE_FULLSCREEN" only_if_exists = false,
|
||||
pub active_win => b"_NET_ACTIVE_WINDOW" only_if_exists = false,
|
||||
pub client_list => b"_NET_CLIENT_LIST" only_if_exists = false,
|
||||
pub supported => b"_NET_SUPPORTED" only_if_exists = false,
|
||||
pub utf8_string => b"UTF8_STRING" only_if_exists = false,
|
||||
}
|
||||
}
|
||||
|
||||
xcb::atoms_struct! {
|
||||
pub struct WindowTypes {
|
||||
pub normal => b"_NET_WM_WINDOW_TYPE_NORMAL" only_if_exists = false,
|
||||
pub dialog => b"_NET_WM_WINDOW_TYPE_DIALOG" only_if_exists = false,
|
||||
pub splash => b"_NET_WM_WINDOW_TYPE_SPLASH" only_if_exists = false,
|
||||
pub menu => b"_NET_WM_WINDOW_TYPE_MENU" only_if_exists = false,
|
||||
pub utility => b"_NET_WM_WINDOW_TYPE_UTILITY" only_if_exists = false,
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Clone, Copy, Debug, Default)]
|
||||
pub struct WindowDims {
|
||||
pub x: i16,
|
||||
pub y: i16,
|
||||
pub width: u16,
|
||||
pub height: u16,
|
||||
}
|
||||
|
||||
bitflags! {
|
||||
/// From ICCCM spec.
|
||||
/// https://tronche.com/gui/x/icccm/sec-4.html#s-4.1.2.3
|
||||
pub struct WmSizeHintsFlags: u32 {
|
||||
const ProgramMinSize = 16;
|
||||
const ProgramMaxSize = 32;
|
||||
}
|
||||
}
|
||||
|
||||
bitflags! {
|
||||
/// https://tronche.com/gui/x/icccm/sec-4.html#s-4.1.2.4
|
||||
pub struct WmHintsFlags: u32 {
|
||||
const Input = 1;
|
||||
const WindowGroup = 64;
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Debug, PartialEq, Eq)]
|
||||
pub struct WinSize {
|
||||
pub width: i32,
|
||||
pub height: i32,
|
||||
}
|
||||
|
||||
#[derive(Default, Debug, PartialEq, Eq)]
|
||||
pub struct WmNormalHints {
|
||||
pub min_size: Option<WinSize>,
|
||||
pub max_size: Option<WinSize>,
|
||||
}
|
||||
|
||||
impl From<&[u32]> for WmNormalHints {
|
||||
fn from(value: &[u32]) -> Self {
|
||||
let mut ret = Self::default();
|
||||
let flags = WmSizeHintsFlags::from_bits_truncate(value[0]);
|
||||
|
||||
if flags.contains(WmSizeHintsFlags::ProgramMinSize) {
|
||||
ret.min_size = Some(WinSize {
|
||||
width: value[5] as _,
|
||||
height: value[6] as _,
|
||||
});
|
||||
}
|
||||
|
||||
if flags.contains(WmSizeHintsFlags::ProgramMaxSize) {
|
||||
ret.max_size = Some(WinSize {
|
||||
width: value[7] as _,
|
||||
height: value[8] as _,
|
||||
});
|
||||
}
|
||||
|
||||
ret
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Default, Debug, PartialEq, Eq)]
|
||||
pub struct WmHints {
|
||||
pub input: Option<bool>,
|
||||
pub window_group: Option<x::Window>,
|
||||
}
|
||||
|
||||
impl From<&[u32]> for WmHints {
|
||||
fn from(value: &[u32]) -> Self {
|
||||
let mut ret = Self::default();
|
||||
let flags = WmHintsFlags::from_bits_truncate(value[0]);
|
||||
|
||||
if flags.contains(WmHintsFlags::Input) {
|
||||
ret.input = Some(value[1] == 1);
|
||||
}
|
||||
if flags.contains(WmHintsFlags::WindowGroup) {
|
||||
let window = unsafe { x::Window::new(value[8]) };
|
||||
ret.window_group = Some(window);
|
||||
}
|
||||
|
||||
ret
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Debug, Clone, Copy)]
|
||||
pub enum SetState {
|
||||
Remove,
|
||||
Add,
|
||||
Toggle,
|
||||
}
|
||||
|
||||
impl TryFrom<u32> for SetState {
|
||||
type Error = ();
|
||||
fn try_from(value: u32) -> Result<Self, Self::Error> {
|
||||
match value {
|
||||
0 => Ok(Self::Remove),
|
||||
1 => Ok(Self::Add),
|
||||
2 => Ok(Self::Toggle),
|
||||
_ => Err(()),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl super::XConnection for Arc<xcb::Connection> {
|
||||
type ExtraData = Atoms;
|
||||
|
||||
fn root_window(&self) -> x::Window {
|
||||
self.get_setup().roots().next().unwrap().root()
|
||||
}
|
||||
|
||||
fn set_window_dims(&mut self, window: x::Window, dims: crate::server::PendingSurfaceState) {
|
||||
trace!("reconfiguring window {window:?}");
|
||||
unwrap_or_skip_bad_window!(self.send_and_check_request(&x::ConfigureWindow {
|
||||
window,
|
||||
value_list: &[
|
||||
x::ConfigWindow::X(dims.x),
|
||||
x::ConfigWindow::Y(dims.y),
|
||||
x::ConfigWindow::Width(dims.width as _),
|
||||
x::ConfigWindow::Height(dims.height as _),
|
||||
],
|
||||
}));
|
||||
}
|
||||
|
||||
fn set_fullscreen(&mut self, window: x::Window, fullscreen: bool, atoms: Self::ExtraData) {
|
||||
let data = if fullscreen {
|
||||
std::slice::from_ref(&atoms.wm_fullscreen)
|
||||
} else {
|
||||
&[]
|
||||
};
|
||||
self.send_and_check_request(&x::ChangeProperty::<x::Atom> {
|
||||
mode: x::PropMode::Replace,
|
||||
window,
|
||||
property: atoms.net_wm_state,
|
||||
r#type: x::ATOM_ATOM,
|
||||
data,
|
||||
})
|
||||
.unwrap();
|
||||
}
|
||||
|
||||
fn focus_window(&mut self, window: x::Window, atoms: Self::ExtraData) {
|
||||
let prop =
|
||||
unwrap_or_skip_bad_window!(self.wait_for_reply(self.send_request(&x::GetProperty {
|
||||
delete: false,
|
||||
window,
|
||||
property: x::ATOM_WM_HINTS,
|
||||
r#type: x::ATOM_WM_HINTS,
|
||||
long_offset: 0,
|
||||
long_length: 9,
|
||||
})));
|
||||
|
||||
let set_focus = if prop.r#type() == x::ATOM_NONE {
|
||||
true
|
||||
} else {
|
||||
WmHints::from(prop.value()).input.unwrap_or(true)
|
||||
};
|
||||
|
||||
if set_focus {
|
||||
// might fail if window is not visible but who cares
|
||||
let _ = self.send_and_check_request(&x::SetInputFocus {
|
||||
focus: window,
|
||||
revert_to: x::InputFocus::None,
|
||||
time: x::CURRENT_TIME,
|
||||
});
|
||||
}
|
||||
|
||||
unwrap_or_skip_bad_window!(self.send_and_check_request(&x::ConfigureWindow {
|
||||
window,
|
||||
value_list: &[x::ConfigWindow::StackMode(x::StackMode::Above)],
|
||||
}));
|
||||
unwrap_or_skip_bad_window!(self.send_and_check_request(&x::ChangeProperty {
|
||||
mode: x::PropMode::Replace,
|
||||
window: self.root_window(),
|
||||
property: atoms.active_win,
|
||||
r#type: x::ATOM_WINDOW,
|
||||
data: &[window],
|
||||
}));
|
||||
}
|
||||
|
||||
fn close_window(&mut self, window: x::Window, atoms: Self::ExtraData) {
|
||||
let data = [atoms.wm_delete_window.resource_id(), 0, 0, 0, 0];
|
||||
let event = &x::ClientMessageEvent::new(
|
||||
window,
|
||||
atoms.wm_protocols,
|
||||
x::ClientMessageData::Data32(data),
|
||||
);
|
||||
|
||||
unwrap_or_skip_bad_window!(self.send_and_check_request(&x::SendEvent {
|
||||
destination: x::SendEventDest::Window(window),
|
||||
propagate: false,
|
||||
event_mask: x::EventMask::empty(),
|
||||
event,
|
||||
}));
|
||||
}
|
||||
}
|
||||
|
||||
impl super::FromServerState<Arc<xcb::Connection>> for Atoms {
|
||||
fn create(state: &super::RealServerState) -> Self {
|
||||
state.atoms.as_ref().unwrap().clone()
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue