use std::{
env,
path::{Path, PathBuf},
rc::Rc,
sync::Arc,
};
#[cfg(any(feature = "wayland", feature = "x11"))]
use std::{
ffi::OsString,
fs::File,
io::Read as _,
os::fd::{AsFd, AsRawFd, FromRawFd},
time::Duration,
};
use anyhow::{Context as _, anyhow};
use calloop::LoopSignal;
use futures::channel::oneshot;
use util::ResultExt as _;
use util::command::{new_smol_command, new_std_command};
#[cfg(any(feature = "wayland", feature = "x11"))]
use xkbcommon::xkb::{self, Keycode, Keysym, State};
use crate::{
Action, AnyWindowHandle, BackgroundExecutor, ClipboardItem, CursorStyle, DisplayId,
ForegroundExecutor, Keymap, LinuxDispatcher, Menu, MenuItem, OwnedMenu, PathPromptOptions,
Pixels, Platform, PlatformDisplay, PlatformKeyboardLayout, PlatformKeyboardMapper,
PlatformTextSystem, PlatformWindow, Point, PriorityQueueCalloopReceiver, Result,
RunnableVariant, Task, WindowAppearance, WindowParams, px,
};
#[cfg(any(feature = "wayland", feature = "x11"))]
pub(crate) const SCROLL_LINES: f32 = 3.0;
#[cfg(any(feature = "wayland", feature = "x11"))]
pub(crate) const DOUBLE_CLICK_INTERVAL: Duration = Duration::from_millis(400);
pub(crate) const DOUBLE_CLICK_DISTANCE: Pixels = px(5.0);
pub(crate) const KEYRING_LABEL: &str = "zed-github-account";
#[cfg(any(feature = "wayland", feature = "x11"))]
const FILE_PICKER_PORTAL_MISSING: &str =
"Couldn't open file picker due to missing xdg-desktop-portal implementation.";
#[cfg(any(feature = "x11", feature = "wayland"))]
pub trait ResultExt {
type Ok;
fn notify_err(self, msg: &'static str) -> Self::Ok;
}
#[cfg(any(feature = "x11", feature = "wayland"))]
impl<T> ResultExt for anyhow::Result<T> {
type Ok = T;
fn notify_err(self, msg: &'static str) -> T {
match self {
Ok(v) => v,
Err(e) => {
use ashpd::desktop::notification::{Notification, NotificationProxy, Priority};
use futures::executor::block_on;
let proxy = block_on(NotificationProxy::new()).expect(msg);
let notification_id = "dev.zed.Oops";
block_on(
proxy.add_notification(
notification_id,
Notification::new("Zed failed to launch")
.body(Some(
format!(
"{e:?}. See https://zed.dev/docs/linux for troubleshooting steps."
)
.as_str(),
))
.priority(Priority::High)
.icon(ashpd::desktop::Icon::with_names(&[
"dialog-question-symbolic",
])),
)
).expect(msg);
panic!("{msg}");
}
}
}
}
pub trait LinuxClient {
fn compositor_name(&self) -> &'static str;
fn with_common<R>(&self, f: impl FnOnce(&mut LinuxCommon) -> R) -> R;
fn keyboard_layout(&self) -> Box<dyn PlatformKeyboardLayout>;
fn displays(&self) -> Vec<Rc<dyn PlatformDisplay>>;
#[allow(unused)]
fn display(&self, id: DisplayId) -> Option<Rc<dyn PlatformDisplay>>;
fn primary_display(&self) -> Option<Rc<dyn PlatformDisplay>>;
#[cfg(feature = "screen-capture")]
fn is_screen_capture_supported(&self) -> bool;
#[cfg(feature = "screen-capture")]
fn screen_capture_sources(
&self,
) -> oneshot::Receiver<Result<Vec<Rc<dyn crate::ScreenCaptureSource>>>>;
fn open_window(
&self,
handle: AnyWindowHandle,
options: WindowParams,
) -> anyhow::Result<Box<dyn PlatformWindow>>;
fn set_cursor_style(&self, style: CursorStyle);
fn open_uri(&self, uri: &str);
fn reveal_path(&self, path: PathBuf);
fn write_to_primary(&self, item: ClipboardItem);
fn write_to_clipboard(&self, item: ClipboardItem);
fn read_from_primary(&self) -> Option<ClipboardItem>;
fn read_from_clipboard(&self) -> Option<ClipboardItem>;
fn active_window(&self) -> Option<AnyWindowHandle>;
fn window_stack(&self) -> Option<Vec<AnyWindowHandle>>;
fn run(&self);
#[cfg(any(feature = "wayland", feature = "x11"))]
fn window_identifier(
&self,
) -> impl Future<Output = Option<ashpd::WindowIdentifier>> + Send + 'static {
std::future::ready::<Option<ashpd::WindowIdentifier>>(None)
}
}
#[derive(Default)]
pub(crate) struct PlatformHandlers {
pub(crate) open_urls: Option<Box<dyn FnMut(Vec<String>)>>,
pub(crate) quit: Option<Box<dyn FnMut()>>,
pub(crate) reopen: Option<Box<dyn FnMut()>>,
pub(crate) app_menu_action: Option<Box<dyn FnMut(&dyn Action)>>,
pub(crate) will_open_app_menu: Option<Box<dyn FnMut()>>,
pub(crate) validate_app_menu_command: Option<Box<dyn FnMut(&dyn Action) -> bool>>,
pub(crate) keyboard_layout_change: Option<Box<dyn FnMut()>>,
}
pub(crate) struct LinuxCommon {
pub(crate) background_executor: BackgroundExecutor,
pub(crate) foreground_executor: ForegroundExecutor,
pub(crate) text_system: Arc<dyn PlatformTextSystem>,
pub(crate) appearance: WindowAppearance,
pub(crate) auto_hide_scrollbars: bool,
pub(crate) callbacks: PlatformHandlers,
pub(crate) signal: LoopSignal,
pub(crate) menus: Vec<OwnedMenu>,
}
impl LinuxCommon {
pub fn new(
signal: LoopSignal,
liveness: std::sync::Weak<()>,
) -> (Self, PriorityQueueCalloopReceiver<RunnableVariant>) {
let (main_sender, main_receiver) = PriorityQueueCalloopReceiver::new();
#[cfg(any(feature = "wayland", feature = "x11"))]
let text_system = Arc::new(crate::CosmicTextSystem::new());
#[cfg(not(any(feature = "wayland", feature = "x11")))]
let text_system = Arc::new(crate::NoopTextSystem::new());
let callbacks = PlatformHandlers::default();
let dispatcher = Arc::new(LinuxDispatcher::new(main_sender));
let background_executor = BackgroundExecutor::new(dispatcher.clone());
let common = LinuxCommon {
background_executor,
foreground_executor: ForegroundExecutor::new(dispatcher, liveness),
text_system,
appearance: WindowAppearance::Light,
auto_hide_scrollbars: false,
callbacks,
signal,
menus: Vec::new(),
};
(common, main_receiver)
}
}
impl<P: LinuxClient + 'static> Platform for P {
fn background_executor(&self) -> BackgroundExecutor {
self.with_common(|common| common.background_executor.clone())
}
fn foreground_executor(&self) -> ForegroundExecutor {
self.with_common(|common| common.foreground_executor.clone())
}
fn text_system(&self) -> Arc<dyn PlatformTextSystem> {
self.with_common(|common| common.text_system.clone())
}
fn keyboard_layout(&self) -> Box<dyn PlatformKeyboardLayout> {
self.keyboard_layout()
}
fn keyboard_mapper(&self) -> Rc<dyn PlatformKeyboardMapper> {
Rc::new(crate::DummyKeyboardMapper)
}
fn on_keyboard_layout_change(&self, callback: Box<dyn FnMut()>) {
self.with_common(|common| common.callbacks.keyboard_layout_change = Some(callback));
}
fn run(&self, on_finish_launching: Box<dyn FnOnce()>) {
on_finish_launching();
LinuxClient::run(self);
let quit = self.with_common(|common| common.callbacks.quit.take());
if let Some(mut fun) = quit {
fun();
}
}
fn quit(&self) {
self.with_common(|common| common.signal.stop());
}
fn compositor_name(&self) -> &'static str {
self.compositor_name()
}
fn restart(&self, binary_path: Option<PathBuf>) {
use std::os::unix::process::CommandExt as _;
let app_pid = std::process::id().to_string();
let app_path = if let Some(path) = binary_path {
path
} else {
match self.app_path() {
Ok(path) => path,
Err(err) => {
log::error!("Failed to get app path: {:?}", err);
return;
}
}
};
log::info!("Restarting process, using app path: {:?}", app_path);
let script = format!(
r#"
while kill -0 {pid} 2>/dev/null; do
sleep 0.1
done
{app_path}
"#,
pid = app_pid,
app_path = app_path.display()
);
#[allow(
clippy::disallowed_methods,
reason = "We are restarting ourselves, using std command thus is fine"
)]
let restart_process = new_std_command("/usr/bin/env")
.arg("bash")
.arg("-c")
.arg(script)
.process_group(0)
.spawn();
match restart_process {
Ok(_) => self.quit(),
Err(e) => log::error!("failed to spawn restart script: {:?}", e),
}
}
fn activate(&self, _ignoring_other_apps: bool) {
log::info!("activate is not implemented on Linux, ignoring the call")
}
fn hide(&self) {
log::info!("hide is not implemented on Linux, ignoring the call")
}
fn hide_other_apps(&self) {
log::info!("hide_other_apps is not implemented on Linux, ignoring the call")
}
fn unhide_other_apps(&self) {
log::info!("unhide_other_apps is not implemented on Linux, ignoring the call")
}
fn primary_display(&self) -> Option<Rc<dyn PlatformDisplay>> {
self.primary_display()
}
fn displays(&self) -> Vec<Rc<dyn PlatformDisplay>> {
self.displays()
}
#[cfg(feature = "screen-capture")]
fn is_screen_capture_supported(&self) -> bool {
self.is_screen_capture_supported()
}
#[cfg(feature = "screen-capture")]
fn screen_capture_sources(
&self,
) -> oneshot::Receiver<Result<Vec<Rc<dyn crate::ScreenCaptureSource>>>> {
self.screen_capture_sources()
}
fn active_window(&self) -> Option<AnyWindowHandle> {
self.active_window()
}
fn window_stack(&self) -> Option<Vec<AnyWindowHandle>> {
self.window_stack()
}
fn open_window(
&self,
handle: AnyWindowHandle,
options: WindowParams,
) -> anyhow::Result<Box<dyn PlatformWindow>> {
self.open_window(handle, options)
}
fn open_url(&self, url: &str) {
self.open_uri(url);
}
fn on_open_urls(&self, callback: Box<dyn FnMut(Vec<String>)>) {
self.with_common(|common| common.callbacks.open_urls = Some(callback));
}
fn prompt_for_paths(
&self,
options: PathPromptOptions,
) -> oneshot::Receiver<Result<Option<Vec<PathBuf>>>> {
let (done_tx, done_rx) = oneshot::channel();
#[cfg(not(any(feature = "wayland", feature = "x11")))]
let _ = (done_tx.send(Ok(None)), options);
#[cfg(any(feature = "wayland", feature = "x11"))]
let identifier = self.window_identifier();
#[cfg(any(feature = "wayland", feature = "x11"))]
self.foreground_executor()
.spawn(async move {
let title = if options.directories {
"Open Folder"
} else {
"Open File"
};
let request = match ashpd::desktop::file_chooser::OpenFileRequest::default()
.identifier(identifier.await)
.modal(true)
.title(title)
.accept_label(options.prompt.as_ref().map(crate::SharedString::as_str))
.multiple(options.multiple)
.directory(options.directories)
.send()
.await
{
Ok(request) => request,
Err(err) => {
let result = match err {
ashpd::Error::PortalNotFound(_) => anyhow!(FILE_PICKER_PORTAL_MISSING),
err => err.into(),
};
let _ = done_tx.send(Err(result));
return;
}
};
let result = match request.response() {
Ok(response) => Ok(Some(
response
.uris()
.iter()
.filter_map(|uri| uri.to_file_path().ok())
.collect::<Vec<_>>(),
)),
Err(ashpd::Error::Response(_)) => Ok(None),
Err(e) => Err(e.into()),
};
let _ = done_tx.send(result);
})
.detach();
done_rx
}
fn prompt_for_new_path(
&self,
directory: &Path,
suggested_name: Option<&str>,
) -> oneshot::Receiver<Result<Option<PathBuf>>> {
let (done_tx, done_rx) = oneshot::channel();
#[cfg(not(any(feature = "wayland", feature = "x11")))]
let _ = (done_tx.send(Ok(None)), directory, suggested_name);
#[cfg(any(feature = "wayland", feature = "x11"))]
let identifier = self.window_identifier();
#[cfg(any(feature = "wayland", feature = "x11"))]
self.foreground_executor()
.spawn({
let directory = directory.to_owned();
let suggested_name = suggested_name.map(|s| s.to_owned());
async move {
let mut request_builder =
ashpd::desktop::file_chooser::SaveFileRequest::default()
.identifier(identifier.await)
.modal(true)
.title("Save File")
.current_folder(directory)
.expect("pathbuf should not be nul terminated");
if let Some(suggested_name) = suggested_name {
request_builder = request_builder.current_name(suggested_name.as_str());
}
let request = match request_builder.send().await {
Ok(request) => request,
Err(err) => {
let result = match err {
ashpd::Error::PortalNotFound(_) => {
anyhow!(FILE_PICKER_PORTAL_MISSING)
}
err => err.into(),
};
let _ = done_tx.send(Err(result));
return;
}
};
let result = match request.response() {
Ok(response) => Ok(response
.uris()
.first()
.and_then(|uri| uri.to_file_path().ok())),
Err(ashpd::Error::Response(_)) => Ok(None),
Err(e) => Err(e.into()),
};
let _ = done_tx.send(result);
}
})
.detach();
done_rx
}
fn can_select_mixed_files_and_dirs(&self) -> bool {
false
}
fn reveal_path(&self, path: &Path) {
self.reveal_path(path.to_owned());
}
fn open_with_system(&self, path: &Path) {
let path = path.to_owned();
self.background_executor()
.spawn(async move {
let _ = new_smol_command("xdg-open")
.arg(path)
.spawn()
.context("invoking xdg-open")
.log_err()?
.status()
.await
.log_err()?;
Some(())
})
.detach();
}
fn on_quit(&self, callback: Box<dyn FnMut()>) {
self.with_common(|common| {
common.callbacks.quit = Some(callback);
});
}
fn on_reopen(&self, callback: Box<dyn FnMut()>) {
self.with_common(|common| {
common.callbacks.reopen = Some(callback);
});
}
fn on_app_menu_action(&self, callback: Box<dyn FnMut(&dyn Action)>) {
self.with_common(|common| {
common.callbacks.app_menu_action = Some(callback);
});
}
fn on_will_open_app_menu(&self, callback: Box<dyn FnMut()>) {
self.with_common(|common| {
common.callbacks.will_open_app_menu = Some(callback);
});
}
fn on_validate_app_menu_command(&self, callback: Box<dyn FnMut(&dyn Action) -> bool>) {
self.with_common(|common| {
common.callbacks.validate_app_menu_command = Some(callback);
});
}
fn app_path(&self) -> Result<PathBuf> {
let app_path = env::current_exe()?;
Ok(app_path)
}
fn set_menus(&self, menus: Vec<Menu>, _keymap: &Keymap) {
self.with_common(|common| {
common.menus = menus.into_iter().map(|menu| menu.owned()).collect();
})
}
fn get_menus(&self) -> Option<Vec<OwnedMenu>> {
self.with_common(|common| Some(common.menus.clone()))
}
fn set_dock_menu(&self, _menu: Vec<MenuItem>, _keymap: &Keymap) {
}
fn path_for_auxiliary_executable(&self, _name: &str) -> Result<PathBuf> {
Err(anyhow::Error::msg(
"Platform<LinuxPlatform>::path_for_auxiliary_executable is not implemented yet",
))
}
fn set_cursor_style(&self, style: CursorStyle) {
self.set_cursor_style(style)
}
fn should_auto_hide_scrollbars(&self) -> bool {
self.with_common(|common| common.auto_hide_scrollbars)
}
fn write_credentials(&self, url: &str, username: &str, password: &[u8]) -> Task<Result<()>> {
let url = url.to_string();
let username = username.to_string();
let password = password.to_vec();
self.background_executor().spawn(async move {
let keyring = oo7::Keyring::new().await?;
keyring.unlock().await?;
keyring
.create_item(
KEYRING_LABEL,
&vec![("url", &url), ("username", &username)],
password,
true,
)
.await?;
Ok(())
})
}
fn read_credentials(&self, url: &str) -> Task<Result<Option<(String, Vec<u8>)>>> {
let url = url.to_string();
self.background_executor().spawn(async move {
let keyring = oo7::Keyring::new().await?;
keyring.unlock().await?;
let items = keyring.search_items(&vec![("url", &url)]).await?;
for item in items.into_iter() {
if item.label().await.is_ok_and(|label| label == KEYRING_LABEL) {
let attributes = item.attributes().await?;
let username = attributes
.get("username")
.context("Cannot find username in stored credentials")?;
item.unlock().await?;
let secret = item.secret().await?;
return Ok(Some((username.to_string(), secret.to_vec())));
} else {
continue;
}
}
Ok(None)
})
}
fn delete_credentials(&self, url: &str) -> Task<Result<()>> {
let url = url.to_string();
self.background_executor().spawn(async move {
let keyring = oo7::Keyring::new().await?;
keyring.unlock().await?;
let items = keyring.search_items(&vec![("url", &url)]).await?;
for item in items.into_iter() {
if item.label().await.is_ok_and(|label| label == KEYRING_LABEL) {
item.delete().await?;
return Ok(());
}
}
Ok(())
})
}
fn window_appearance(&self) -> WindowAppearance {
self.with_common(|common| common.appearance)
}
fn register_url_scheme(&self, _: &str) -> Task<anyhow::Result<()>> {
Task::ready(Err(anyhow!("register_url_scheme unimplemented")))
}
fn write_to_primary(&self, item: ClipboardItem) {
self.write_to_primary(item)
}
fn write_to_clipboard(&self, item: ClipboardItem) {
self.write_to_clipboard(item)
}
fn read_from_primary(&self) -> Option<ClipboardItem> {
self.read_from_primary()
}
fn read_from_clipboard(&self) -> Option<ClipboardItem> {
self.read_from_clipboard()
}
fn add_recent_document(&self, _path: &Path) {}
}
#[cfg(any(feature = "wayland", feature = "x11"))]
pub(super) fn open_uri_internal(
executor: BackgroundExecutor,
uri: &str,
activation_token: Option<String>,
) {
if let Some(uri) = ashpd::url::Url::parse(uri).log_err() {
executor
.spawn(async move {
match ashpd::desktop::open_uri::OpenFileRequest::default()
.activation_token(activation_token.clone().map(ashpd::ActivationToken::from))
.send_uri(&uri)
.await
.and_then(|e| e.response())
{
Ok(()) => return,
Err(e) => log::error!("Failed to open with dbus: {}", e),
}
for mut command in open::commands(uri.to_string()) {
if let Some(token) = activation_token.as_ref() {
command.env("XDG_ACTIVATION_TOKEN", token);
}
let program = format!("{:?}", command.get_program());
match smol::process::Command::from(command).spawn() {
Ok(mut cmd) => {
cmd.status().await.log_err();
return;
}
Err(e) => {
log::error!("Failed to open with {}: {}", program, e)
}
}
}
})
.detach();
}
}
#[cfg(any(feature = "x11", feature = "wayland"))]
pub(super) fn reveal_path_internal(
executor: BackgroundExecutor,
path: PathBuf,
activation_token: Option<String>,
) {
executor
.spawn(async move {
if let Some(dir) = File::open(path.clone()).log_err() {
match ashpd::desktop::open_uri::OpenDirectoryRequest::default()
.activation_token(activation_token.map(ashpd::ActivationToken::from))
.send(&dir.as_fd())
.await
{
Ok(_) => return,
Err(e) => log::error!("Failed to open with dbus: {}", e),
}
if path.is_dir() {
open::that_detached(path).log_err();
} else {
open::that_detached(path.parent().unwrap_or(Path::new(""))).log_err();
}
}
})
.detach();
}
#[allow(unused)]
pub(super) fn is_within_click_distance(a: Point<Pixels>, b: Point<Pixels>) -> bool {
let diff = a - b;
diff.x.abs() <= DOUBLE_CLICK_DISTANCE && diff.y.abs() <= DOUBLE_CLICK_DISTANCE
}
#[cfg(any(feature = "wayland", feature = "x11"))]
pub(super) fn get_xkb_compose_state(cx: &xkb::Context) -> Option<xkb::compose::State> {
let mut locales = Vec::default();
if let Some(locale) = env::var_os("LC_CTYPE") {
locales.push(locale);
}
locales.push(OsString::from("C"));
let mut state: Option<xkb::compose::State> = None;
for locale in locales {
if let Ok(table) =
xkb::compose::Table::new_from_locale(cx, &locale, xkb::compose::COMPILE_NO_FLAGS)
{
state = Some(xkb::compose::State::new(
&table,
xkb::compose::STATE_NO_FLAGS,
));
break;
}
}
state
}
#[cfg(any(feature = "wayland", feature = "x11"))]
pub(super) unsafe fn read_fd(mut fd: filedescriptor::FileDescriptor) -> Result<Vec<u8>> {
let mut file = unsafe { File::from_raw_fd(fd.as_raw_fd()) };
let mut buffer = Vec::new();
file.read_to_end(&mut buffer)?;
Ok(buffer)
}
#[cfg(any(feature = "wayland", feature = "x11"))]
pub(super) const DEFAULT_CURSOR_ICON_NAME: &str = "left_ptr";
impl CursorStyle {
#[cfg(any(feature = "wayland", feature = "x11"))]
pub(super) fn to_icon_names(self) -> &'static [&'static str] {
match self {
CursorStyle::Arrow => &[DEFAULT_CURSOR_ICON_NAME],
CursorStyle::IBeam => &["text", "xterm"],
CursorStyle::Crosshair => &["crosshair", "cross"],
CursorStyle::ClosedHand => &["closedhand", "grabbing", "hand2"],
CursorStyle::OpenHand => &["openhand", "grab", "hand1"],
CursorStyle::PointingHand => &["pointer", "hand", "hand2"],
CursorStyle::ResizeLeft => &["w-resize", "left_side"],
CursorStyle::ResizeRight => &["e-resize", "right_side"],
CursorStyle::ResizeLeftRight => &["ew-resize", "sb_h_double_arrow"],
CursorStyle::ResizeUp => &["n-resize", "top_side"],
CursorStyle::ResizeDown => &["s-resize", "bottom_side"],
CursorStyle::ResizeUpDown => &["sb_v_double_arrow", "ns-resize"],
CursorStyle::ResizeUpLeftDownRight => &["size_fdiag", "bd_double_arrow", "nwse-resize"],
CursorStyle::ResizeUpRightDownLeft => &["size_bdiag", "nesw-resize", "fd_double_arrow"],
CursorStyle::ResizeColumn => &["col-resize", "sb_h_double_arrow"],
CursorStyle::ResizeRow => &["row-resize", "sb_v_double_arrow"],
CursorStyle::IBeamCursorForVerticalLayout => &["vertical-text"],
CursorStyle::OperationNotAllowed => &["not-allowed", "crossed_circle"],
CursorStyle::DragLink => &["alias"],
CursorStyle::DragCopy => &["copy"],
CursorStyle::ContextualMenu => &["context-menu"],
CursorStyle::None => {
#[cfg(debug_assertions)]
panic!("CursorStyle::None should be handled separately in the client");
#[cfg(not(debug_assertions))]
&[DEFAULT_CURSOR_ICON_NAME]
}
}
}
}
#[cfg(any(feature = "wayland", feature = "x11"))]
pub(super) fn log_cursor_icon_warning(message: impl std::fmt::Display) {
if let Ok(xcursor_path) = env::var("XCURSOR_PATH") {
log::warn!(
"{:#}\ncursor icon loading may be failing if XCURSOR_PATH environment variable is invalid. \
XCURSOR_PATH overrides the default icon search. Its current value is '{}'",
message,
xcursor_path
);
} else {
log::warn!("{:#}", message);
}
}
#[cfg(any(feature = "wayland", feature = "x11"))]
fn guess_ascii(keycode: Keycode, shift: bool) -> Option<char> {
let c = match (keycode.raw(), shift) {
(24, _) => 'q',
(25, _) => 'w',
(26, _) => 'e',
(27, _) => 'r',
(28, _) => 't',
(29, _) => 'y',
(30, _) => 'u',
(31, _) => 'i',
(32, _) => 'o',
(33, _) => 'p',
(34, false) => '[',
(34, true) => '{',
(35, false) => ']',
(35, true) => '}',
(38, _) => 'a',
(39, _) => 's',
(40, _) => 'd',
(41, _) => 'f',
(42, _) => 'g',
(43, _) => 'h',
(44, _) => 'j',
(45, _) => 'k',
(46, _) => 'l',
(47, false) => ';',
(47, true) => ':',
(48, false) => '\'',
(48, true) => '"',
(49, false) => '`',
(49, true) => '~',
(51, false) => '\\',
(51, true) => '|',
(52, _) => 'z',
(53, _) => 'x',
(54, _) => 'c',
(55, _) => 'v',
(56, _) => 'b',
(57, _) => 'n',
(58, _) => 'm',
(59, false) => ',',
(59, true) => '>',
(60, false) => '.',
(60, true) => '<',
(61, false) => '/',
(61, true) => '?',
_ => return None,
};
Some(c)
}
#[cfg(any(feature = "wayland", feature = "x11"))]
impl crate::Keystroke {
pub(super) fn from_xkb(
state: &State,
mut modifiers: crate::Modifiers,
keycode: Keycode,
) -> Self {
let key_utf32 = state.key_get_utf32(keycode);
let key_utf8 = state.key_get_utf8(keycode);
let key_sym = state.key_get_one_sym(keycode);
let key = match key_sym {
Keysym::Return => "enter".to_owned(),
Keysym::Prior => "pageup".to_owned(),
Keysym::Next => "pagedown".to_owned(),
Keysym::ISO_Left_Tab => "tab".to_owned(),
Keysym::KP_Prior => "pageup".to_owned(),
Keysym::KP_Next => "pagedown".to_owned(),
Keysym::XF86_Back => "back".to_owned(),
Keysym::XF86_Forward => "forward".to_owned(),
Keysym::XF86_Cut => "cut".to_owned(),
Keysym::XF86_Copy => "copy".to_owned(),
Keysym::XF86_Paste => "paste".to_owned(),
Keysym::XF86_New => "new".to_owned(),
Keysym::XF86_Open => "open".to_owned(),
Keysym::XF86_Save => "save".to_owned(),
Keysym::comma => ",".to_owned(),
Keysym::period => ".".to_owned(),
Keysym::less => "<".to_owned(),
Keysym::greater => ">".to_owned(),
Keysym::slash => "/".to_owned(),
Keysym::question => "?".to_owned(),
Keysym::semicolon => ";".to_owned(),
Keysym::colon => ":".to_owned(),
Keysym::apostrophe => "'".to_owned(),
Keysym::quotedbl => "\"".to_owned(),
Keysym::bracketleft => "[".to_owned(),
Keysym::braceleft => "{".to_owned(),
Keysym::bracketright => "]".to_owned(),
Keysym::braceright => "}".to_owned(),
Keysym::backslash => "\\".to_owned(),
Keysym::bar => "|".to_owned(),
Keysym::grave => "`".to_owned(),
Keysym::asciitilde => "~".to_owned(),
Keysym::exclam => "!".to_owned(),
Keysym::at => "@".to_owned(),
Keysym::numbersign => "#".to_owned(),
Keysym::dollar => "$".to_owned(),
Keysym::percent => "%".to_owned(),
Keysym::asciicircum => "^".to_owned(),
Keysym::ampersand => "&".to_owned(),
Keysym::asterisk => "*".to_owned(),
Keysym::parenleft => "(".to_owned(),
Keysym::parenright => ")".to_owned(),
Keysym::minus => "-".to_owned(),
Keysym::underscore => "_".to_owned(),
Keysym::equal => "=".to_owned(),
Keysym::plus => "+".to_owned(),
Keysym::space => "space".to_owned(),
Keysym::BackSpace => "backspace".to_owned(),
Keysym::Tab => "tab".to_owned(),
Keysym::Delete => "delete".to_owned(),
Keysym::Escape => "escape".to_owned(),
Keysym::Left => "left".to_owned(),
Keysym::Right => "right".to_owned(),
Keysym::Up => "up".to_owned(),
Keysym::Down => "down".to_owned(),
Keysym::Home => "home".to_owned(),
Keysym::End => "end".to_owned(),
Keysym::Insert => "insert".to_owned(),
_ => {
let name = xkb::keysym_get_name(key_sym).to_lowercase();
if key_sym.is_keypad_key() {
name.replace("kp_", "")
} else if let Some(key) = key_utf8.chars().next()
&& key_utf8.len() == 1
&& key.is_ascii()
{
if key.is_ascii_graphic() {
key_utf8.to_lowercase()
} else if key_utf32 <= 0x1f
&& !name.chars().next().is_some_and(|c| c.is_ascii_digit())
{
((key_utf32 as u8 + 0x40) as char)
.to_ascii_lowercase()
.to_string()
} else {
name
}
} else if let Some(key_en) = guess_ascii(keycode, modifiers.shift) {
String::from(key_en)
} else {
name
}
}
};
if modifiers.shift {
if key.chars().count() == 1 && key.to_lowercase() == key.to_uppercase() {
modifiers.shift = false;
}
}
let key_char =
(key_utf32 >= 32 && key_utf32 != 127 && !key_utf8.is_empty()).then_some(key_utf8);
Self {
modifiers,
key,
key_char,
}
}
pub fn underlying_dead_key(keysym: Keysym) -> Option<String> {
match keysym {
Keysym::dead_grave => Some("`".to_owned()),
Keysym::dead_acute => Some("´".to_owned()),
Keysym::dead_circumflex => Some("^".to_owned()),
Keysym::dead_tilde => Some("~".to_owned()),
Keysym::dead_macron => Some("¯".to_owned()),
Keysym::dead_breve => Some("˘".to_owned()),
Keysym::dead_abovedot => Some("˙".to_owned()),
Keysym::dead_diaeresis => Some("¨".to_owned()),
Keysym::dead_abovering => Some("˚".to_owned()),
Keysym::dead_doubleacute => Some("˝".to_owned()),
Keysym::dead_caron => Some("ˇ".to_owned()),
Keysym::dead_cedilla => Some("¸".to_owned()),
Keysym::dead_ogonek => Some("˛".to_owned()),
Keysym::dead_iota => Some("ͅ".to_owned()),
Keysym::dead_voiced_sound => Some("゙".to_owned()),
Keysym::dead_semivoiced_sound => Some("゚".to_owned()),
Keysym::dead_belowdot => Some("̣̣".to_owned()),
Keysym::dead_hook => Some("̡".to_owned()),
Keysym::dead_horn => Some("̛".to_owned()),
Keysym::dead_stroke => Some("̶̶".to_owned()),
Keysym::dead_abovecomma => Some("̓̓".to_owned()),
Keysym::dead_abovereversedcomma => Some("ʽ".to_owned()),
Keysym::dead_doublegrave => Some("̏".to_owned()),
Keysym::dead_belowring => Some("˳".to_owned()),
Keysym::dead_belowmacron => Some("̱".to_owned()),
Keysym::dead_belowcircumflex => Some("ꞈ".to_owned()),
Keysym::dead_belowtilde => Some("̰".to_owned()),
Keysym::dead_belowbreve => Some("̮".to_owned()),
Keysym::dead_belowdiaeresis => Some("̤".to_owned()),
Keysym::dead_invertedbreve => Some("̯".to_owned()),
Keysym::dead_belowcomma => Some("̦".to_owned()),
Keysym::dead_currency => None,
Keysym::dead_lowline => None,
Keysym::dead_aboveverticalline => None,
Keysym::dead_belowverticalline => None,
Keysym::dead_longsolidusoverlay => None,
Keysym::dead_a => None,
Keysym::dead_A => None,
Keysym::dead_e => None,
Keysym::dead_E => None,
Keysym::dead_i => None,
Keysym::dead_I => None,
Keysym::dead_o => None,
Keysym::dead_O => None,
Keysym::dead_u => None,
Keysym::dead_U => None,
Keysym::dead_small_schwa => Some("ə".to_owned()),
Keysym::dead_capital_schwa => Some("Ə".to_owned()),
Keysym::dead_greek => None,
_ => None,
}
}
}
#[cfg(any(feature = "wayland", feature = "x11"))]
impl crate::Modifiers {
pub(super) fn from_xkb(keymap_state: &State) -> Self {
let shift = keymap_state.mod_name_is_active(xkb::MOD_NAME_SHIFT, xkb::STATE_MODS_EFFECTIVE);
let alt = keymap_state.mod_name_is_active(xkb::MOD_NAME_ALT, xkb::STATE_MODS_EFFECTIVE);
let control =
keymap_state.mod_name_is_active(xkb::MOD_NAME_CTRL, xkb::STATE_MODS_EFFECTIVE);
let platform =
keymap_state.mod_name_is_active(xkb::MOD_NAME_LOGO, xkb::STATE_MODS_EFFECTIVE);
Self {
shift,
alt,
control,
platform,
function: false,
}
}
}
#[cfg(any(feature = "wayland", feature = "x11"))]
impl crate::Capslock {
pub(super) fn from_xkb(keymap_state: &State) -> Self {
let on = keymap_state.mod_name_is_active(xkb::MOD_NAME_CAPS, xkb::STATE_MODS_EFFECTIVE);
Self { on }
}
}
#[cfg(test)]
mod tests {
use super::*;
use crate::{Point, px};
#[test]
fn test_is_within_click_distance() {
let zero = Point::new(px(0.0), px(0.0));
assert!(is_within_click_distance(zero, Point::new(px(5.0), px(5.0))));
assert!(is_within_click_distance(
zero,
Point::new(px(-4.9), px(5.0))
));
assert!(is_within_click_distance(
Point::new(px(3.0), px(2.0)),
Point::new(px(-2.0), px(-2.0))
));
assert!(!is_within_click_distance(
zero,
Point::new(px(5.0), px(5.1))
),);
}
}