ZIm/crates/gpui/src/platform/linux/platform.rs

305 lines
8.6 KiB
Rust

#![allow(unused)]
use crate::{
Action, AnyWindowHandle, BackgroundExecutor, ClipboardItem, CursorStyle, DisplayId,
ForegroundExecutor, Keymap, LinuxDispatcher, LinuxDisplay, LinuxTextSystem, LinuxWindow,
LinuxWindowState, LinuxWindowStatePtr, Menu, PathPromptOptions, Platform, PlatformDisplay,
PlatformInput, PlatformTextSystem, PlatformWindow, Result, SemanticVersion, Task,
WindowOptions,
};
use collections::{HashMap, HashSet};
use futures::channel::oneshot;
use parking_lot::Mutex;
use std::{
path::{Path, PathBuf},
rc::Rc,
sync::Arc,
time::Duration,
};
use time::UtcOffset;
use xcb::{x, Xid as _};
xcb::atoms_struct! {
#[derive(Debug)]
pub(crate) struct XcbAtoms {
pub wm_protocols => b"WM_PROTOCOLS",
pub wm_del_window => b"WM_DELETE_WINDOW",
wm_state => b"_NET_WM_STATE",
wm_state_maxv => b"_NET_WM_STATE_MAXIMIZED_VERT",
wm_state_maxh => b"_NET_WM_STATE_MAXIMIZED_HORZ",
}
}
pub(crate) struct LinuxPlatform(Mutex<LinuxPlatformState>);
pub(crate) struct LinuxPlatformState {
xcb_connection: xcb::Connection,
x_root_index: i32,
atoms: XcbAtoms,
background_executor: BackgroundExecutor,
foreground_executor: ForegroundExecutor,
windows: HashMap<x::Window, LinuxWindowStatePtr>,
text_system: Arc<LinuxTextSystem>,
}
impl Default for LinuxPlatform {
fn default() -> Self {
Self::new()
}
}
impl LinuxPlatform {
pub(crate) fn new() -> Self {
let (xcb_connection, x_root_index) = xcb::Connection::connect(None).unwrap();
let atoms = XcbAtoms::intern_all(&xcb_connection).unwrap();
let dispatcher = Arc::new(LinuxDispatcher::new());
Self(Mutex::new(LinuxPlatformState {
xcb_connection,
x_root_index,
atoms,
background_executor: BackgroundExecutor::new(dispatcher.clone()),
foreground_executor: ForegroundExecutor::new(dispatcher),
windows: HashMap::default(),
text_system: Arc::new(LinuxTextSystem::new()),
}))
}
}
impl Platform for LinuxPlatform {
fn background_executor(&self) -> BackgroundExecutor {
self.0.lock().background_executor.clone()
}
fn foreground_executor(&self) -> crate::ForegroundExecutor {
self.0.lock().foreground_executor.clone()
}
fn text_system(&self) -> Arc<dyn PlatformTextSystem> {
self.0.lock().text_system.clone()
}
fn run(&self, on_finish_launching: Box<dyn FnOnce()>) {
on_finish_launching();
while !self.0.lock().windows.is_empty() {
let event = self.0.lock().xcb_connection.wait_for_event().unwrap();
let mut repaint_x_window = None;
match event {
xcb::Event::X(x::Event::ClientMessage(ev)) => {
if let x::ClientMessageData::Data32([atom, ..]) = ev.data() {
let mut this = self.0.lock();
if atom == this.atoms.wm_del_window.resource_id() {
// window "x" button clicked by user, we gracefully exit
{
let mut window = this.windows[&ev.window()].lock();
window.destroy();
}
this.xcb_connection.send_request(&x::UnmapWindow {
window: ev.window(),
});
this.xcb_connection.send_request(&x::DestroyWindow {
window: ev.window(),
});
this.windows.remove(&ev.window());
break;
}
}
}
xcb::Event::X(x::Event::Expose(ev)) => {
repaint_x_window = Some(ev.window());
}
xcb::Event::X(x::Event::ResizeRequest(ev)) => {
let this = self.0.lock();
LinuxWindowState::resize(&this.windows[&ev.window()], ev.width(), ev.height());
}
_ => {}
}
if let Some(x_window) = repaint_x_window {
let this = self.0.lock();
LinuxWindowState::request_frame(&this.windows[&x_window]);
this.xcb_connection.flush();
}
}
}
fn quit(&self) {}
fn restart(&self) {}
fn activate(&self, ignoring_other_apps: bool) {}
fn hide(&self) {}
fn hide_other_apps(&self) {}
fn unhide_other_apps(&self) {}
fn displays(&self) -> Vec<Rc<dyn PlatformDisplay>> {
let this = self.0.lock();
let setup = this.xcb_connection.get_setup();
setup
.roots()
.enumerate()
.map(|(root_id, _)| {
Rc::new(LinuxDisplay::new(&this.xcb_connection, root_id as i32))
as Rc<dyn PlatformDisplay>
})
.collect()
}
fn display(&self, id: DisplayId) -> Option<Rc<dyn PlatformDisplay>> {
let this = self.0.lock();
Some(Rc::new(LinuxDisplay::new(
&this.xcb_connection,
id.0 as i32,
)))
}
fn active_window(&self) -> Option<AnyWindowHandle> {
None
}
fn open_window(
&self,
handle: AnyWindowHandle,
options: WindowOptions,
) -> Box<dyn PlatformWindow> {
let mut this = self.0.lock();
let x_window = this.xcb_connection.generate_id();
let window_ptr = LinuxWindowState::new_ptr(
options,
handle,
&this.xcb_connection,
this.x_root_index,
x_window,
&this.atoms,
);
this.windows.insert(x_window, window_ptr.clone());
Box::new(LinuxWindow(window_ptr))
}
fn set_display_link_output_callback(
&self,
display_id: DisplayId,
callback: Box<dyn FnMut() + Send>,
) {
unimplemented!()
}
fn start_display_link(&self, display_id: DisplayId) {}
fn stop_display_link(&self, display_id: DisplayId) {}
fn open_url(&self, url: &str) {}
fn on_open_urls(&self, callback: Box<dyn FnMut(Vec<String>)>) {}
fn prompt_for_paths(
&self,
options: PathPromptOptions,
) -> oneshot::Receiver<Option<Vec<PathBuf>>> {
unimplemented!()
}
fn prompt_for_new_path(&self, directory: &Path) -> oneshot::Receiver<Option<PathBuf>> {
unimplemented!()
}
fn reveal_path(&self, path: &Path) {}
fn on_become_active(&self, callback: Box<dyn FnMut()>) {}
fn on_resign_active(&self, callback: Box<dyn FnMut()>) {}
fn on_quit(&self, callback: Box<dyn FnMut()>) {}
fn on_reopen(&self, callback: Box<dyn FnMut()>) {}
fn on_event(&self, callback: Box<dyn FnMut(PlatformInput) -> bool>) {}
fn on_app_menu_action(&self, callback: Box<dyn FnMut(&dyn Action)>) {}
fn on_will_open_app_menu(&self, callback: Box<dyn FnMut()>) {}
fn on_validate_app_menu_command(&self, callback: Box<dyn FnMut(&dyn Action) -> bool>) {}
fn os_name(&self) -> &'static str {
"Linux"
}
fn double_click_interval(&self) -> Duration {
Duration::default()
}
fn os_version(&self) -> Result<SemanticVersion> {
Ok(SemanticVersion {
major: 1,
minor: 0,
patch: 0,
})
}
fn app_version(&self) -> Result<SemanticVersion> {
Ok(SemanticVersion {
major: 1,
minor: 0,
patch: 0,
})
}
fn app_path(&self) -> Result<PathBuf> {
unimplemented!()
}
fn set_menus(&self, menus: Vec<Menu>, keymap: &Keymap) {}
fn local_timezone(&self) -> UtcOffset {
UtcOffset::UTC
}
fn path_for_auxiliary_executable(&self, name: &str) -> Result<PathBuf> {
unimplemented!()
}
fn set_cursor_style(&self, style: CursorStyle) {}
fn should_auto_hide_scrollbars(&self) -> bool {
false
}
fn write_to_clipboard(&self, item: ClipboardItem) {}
fn read_from_clipboard(&self) -> Option<ClipboardItem> {
None
}
fn write_credentials(&self, url: &str, username: &str, password: &[u8]) -> Task<Result<()>> {
unimplemented!()
}
fn read_credentials(&self, url: &str) -> Task<Result<Option<(String, Vec<u8>)>>> {
unimplemented!()
}
fn delete_credentials(&self, url: &str) -> Task<Result<()>> {
unimplemented!()
}
}
#[cfg(test)]
mod tests {
use crate::ClipboardItem;
use super::*;
fn build_platform() -> LinuxPlatform {
let platform = LinuxPlatform::new();
platform
}
}