cosmic-workspaces/src/main.rs

970 lines
36 KiB
Rust

// Copyright 2023 System76 <info@system76.com>
// SPDX-License-Identifier: GPL-3.0-only
#![allow(clippy::single_match)]
use cctk::{
cosmic_protocols::{
toplevel_management::v1::client::zcosmic_toplevel_manager_v1,
workspace::v2::client::zcosmic_workspace_handle_v2,
},
sctk::shell::wlr_layer::{Anchor, KeyboardInteractivity, Layer},
wayland_client::{Connection, Proxy, protocol::wl_output},
wayland_protocols::ext::workspace::v1::client::ext_workspace_handle_v1,
};
use clap::Parser;
use cosmic::{
app::{Application, CosmicFlags},
cctk, dbus_activation,
iced::platform_specific::shell::commands::layer_surface::{
destroy_layer_surface, get_layer_surface,
},
iced::runtime::platform_specific::wayland::layer_surface::{
IcedOutput, SctkLayerSurfaceSettings,
},
iced::window::Id as SurfaceId,
iced::{
self, Size, Subscription, Task,
clipboard::dnd::{DndEvent, SourceEvent},
event::wayland::{Event as WaylandEvent, LayerEvent, OutputEvent},
keyboard::key::{Key, Named},
mouse::ScrollDelta,
},
scroll::DiscreteScrollState,
};
use cosmic_comp_config::CosmicCompConfig;
use cosmic_config::{CosmicConfigEntry, cosmic_config_derive::CosmicConfigEntry};
use cosmic_panel_config::{CosmicPanelConfig, CosmicPanelContainerConfigEntry, PanelAnchor};
use i18n_embed::DesktopLanguageRequester;
use std::{
collections::{HashMap, HashSet},
mem,
path::PathBuf,
process::Command,
str,
time::Duration,
};
mod dbus;
mod desktop_info;
#[macro_use]
mod localize;
mod backend;
mod view;
use backend::{ExtForeignToplevelHandleV1, ExtWorkspaceHandleV1, ToplevelInfo};
mod dnd;
mod utils;
mod widgets;
use dnd::{DragSurface, DragToplevel, DragWorkspace, DropTarget};
const SCROLL_RATE_LIMIT: Duration = Duration::from_millis(200);
#[derive(Clone, Debug, Default, PartialEq, CosmicConfigEntry)]
struct CosmicWorkspacesConfig {
show_workspace_number: bool,
show_workspace_name: bool,
}
#[derive(Parser, Debug, Clone)]
#[command(author, version, about, long_about = None)]
#[command(propagate_version = true)]
pub struct Args {}
#[derive(Default, Debug, Clone)]
pub struct WorkspaceCommands;
#[allow(clippy::to_string_trait_impl)]
impl ToString for WorkspaceCommands {
fn to_string(&self) -> String {
String::new()
}
}
impl CosmicFlags for Args {
type SubCommand = WorkspaceCommands;
type Args = Vec<String>;
fn action(&self) -> Option<&WorkspaceCommands> {
None
}
}
#[derive(Clone, Debug)]
enum Msg {
WaylandEvent(WaylandEvent),
Wayland(backend::Event),
Close,
ActivateWorkspace(ExtWorkspaceHandleV1),
#[allow(dead_code)]
CloseWorkspace(ExtWorkspaceHandleV1),
ActivateToplevel(ExtForeignToplevelHandleV1),
CloseToplevel(ExtForeignToplevelHandleV1),
StartDrag(DragSurface),
DndEnter(DropTarget, f64, f64, Vec<String>),
DndLeave(DropTarget),
DndToplevelDrop(DragToplevel),
#[allow(dead_code)]
DndWorkspaceDrag,
#[allow(dead_code)]
DndWorkspaceDrop(DragWorkspace),
SourceFinished,
#[allow(dead_code)]
NewWorkspace,
CompConfig(Box<CosmicCompConfig>),
Config(CosmicWorkspacesConfig),
BgConfig(cosmic_bg_config::state::State),
UpdateToplevelIcon(String, Option<PathBuf>),
OnScroll(wl_output::WlOutput, ScrollDelta),
TogglePinned(ExtWorkspaceHandleV1),
EnteredWorkspaceSidebarEntry(ExtWorkspaceHandleV1, bool),
DbusInterface(zbus::Result<dbus::Interface>),
DBus(dbus::Event),
PanelContainerEntries(Vec<String>),
PanelConfig(CosmicPanelConfig),
ActionOnTyping(String),
Ignore,
}
#[derive(Clone, Debug)]
struct Workspace {
info: backend::Workspace,
// img_for_output: HashMap<wl_output::WlOutput, backend::CaptureImage>,
img: Option<backend::CaptureImage>,
outputs: HashSet<wl_output::WlOutput>,
has_cursor: bool,
dnd_source_id: iced::id::Id,
}
impl Workspace {
fn handle(&self) -> &ExtWorkspaceHandleV1 {
&self.info.handle
}
fn is_active(&self) -> bool {
self.info
.state
.contains(ext_workspace_handle_v1::State::Active)
}
fn is_pinned(&self) -> bool {
self.info
.cosmic_state
.contains(zcosmic_workspace_handle_v2::State::Pinned)
}
}
#[derive(Clone, Debug)]
struct Toplevel {
handle: ExtForeignToplevelHandleV1,
info: ToplevelInfo,
img: Option<backend::CaptureImage>,
icon: Option<PathBuf>,
}
#[derive(Clone)]
struct Output {
handle: wl_output::WlOutput,
name: String,
width: i32,
height: i32,
}
#[derive(Debug)]
struct LayerSurface {
output: wl_output::WlOutput,
// for transitions, would need windows in more than one workspace? But don't capture all of
// them all the time every frame.
}
#[derive(Default)]
struct Conf {
workspace_config: cosmic_comp_config::workspace::WorkspaceConfig,
config: CosmicWorkspacesConfig,
bg: cosmic_bg_config::state::State,
}
#[derive(Default)]
struct App {
capture_filter: backend::CaptureFilter,
layer_surfaces: HashMap<SurfaceId, LayerSurface>,
outputs: Vec<Output>,
workspaces: Workspaces,
toplevels: Toplevels,
toplevel_capabilities:
Vec<zcosmic_toplevel_manager_v1::ZcosmicToplelevelManagementCapabilitiesV1>,
conn: Option<Connection>,
visible: bool,
wayland_cmd_sender: Option<calloop::channel::Sender<backend::Cmd>>,
drag_surface: Option<(DragSurface, Size)>,
conf: Conf,
core: cosmic::app::Core,
drop_target: Option<DropTarget>,
scroll: DiscreteScrollState,
dbus_interface: Option<dbus::Interface>,
panel_configs: HashMap<String, Option<CosmicPanelConfig>>,
action_on_typing_activated: bool,
}
#[derive(Debug, Default)]
struct Workspaces(Vec<Workspace>);
impl Workspaces {
fn for_handle(&self, handle: &ExtWorkspaceHandleV1) -> Option<&Workspace> {
self.0.iter().find(|i| i.handle() == handle)
}
fn for_handle_mut(&mut self, handle: &ExtWorkspaceHandleV1) -> Option<&mut Workspace> {
self.0.iter_mut().find(|i| i.handle() == handle)
}
fn for_output<'a>(
&'a self,
output: &'a wl_output::WlOutput,
) -> impl Iterator<Item = &'a Workspace> + 'a {
self.0.iter().filter(|w| w.outputs.contains(output))
}
}
#[derive(Debug, Default)]
struct Toplevels(Vec<Toplevel>);
impl Toplevels {
fn for_handle_mut(&mut self, handle: &ExtForeignToplevelHandleV1) -> Option<&mut Toplevel> {
self.0.iter_mut().find(|i| &i.handle == handle)
}
}
impl App {
fn create_surface(&mut self, output: wl_output::WlOutput) -> Task<cosmic::Action<Msg>> {
let id = SurfaceId::unique();
self.layer_surfaces.insert(
id,
LayerSurface {
output: output.clone(),
},
);
get_layer_surface(SctkLayerSurfaceSettings {
id,
keyboard_interactivity: KeyboardInteractivity::Exclusive,
namespace: "cosmic-workspace-overview".into(),
layer: Layer::Top,
size: Some((None, None)),
output: IcedOutput::Output(output),
anchor: Anchor::all(),
..Default::default()
})
}
fn destroy_surface(&mut self, output: &wl_output::WlOutput) -> Task<cosmic::Action<Msg>> {
if let Some((id, _)) = self
.layer_surfaces
.iter()
.find(|(_id, surface)| &surface.output == output)
{
let id = *id;
destroy_layer_surface(id)
} else {
Task::none()
}
}
fn toggle(&mut self) -> Task<cosmic::Action<Msg>> {
if self.visible {
self.hide()
} else {
self.show()
}
}
fn show(&mut self) -> Task<cosmic::Action<Msg>> {
if !self.visible {
self.visible = true;
let outputs = self.outputs.clone();
let cmd = Task::batch(
outputs
.into_iter()
.map(|output| self.create_surface(output.handle))
.collect::<Vec<_>>(),
);
self.update_capture_filter();
if let Some(interface) = self.dbus_interface.clone() {
tokio::spawn(async move {
let _ = interface.shown().await;
});
}
cmd
} else {
Task::none()
}
}
// Close all shell surfaces
fn hide(&mut self) -> Task<cosmic::Action<Msg>> {
if let Some(interface) = self.dbus_interface.clone() {
tokio::spawn(async move {
let _ = interface.hidden().await;
});
}
if self.action_on_typing_activated {
let cmd = match self.conf.workspace_config.action_on_typing {
cosmic_comp_config::workspace::Action::None => return Task::none(),
cosmic_comp_config::workspace::Action::OpenLauncher => {
// self.common.config.system_actions.get(&Launcher)
Some("cosmic-launcher \"$@\"".to_string())
}
cosmic_comp_config::workspace::Action::OpenApplications => {
// self.common.config.system_actions.get(&Applications)
Some("cosmic-app-library \"$@\"".to_string())
}
};
if let Some(cmd) = cmd {
tokio::spawn(async {
let mut child = Command::new("/bin/sh")
.arg("-c")
.arg(cmd)
.arg("_")
.arg("close")
.spawn()
.unwrap();
let _ = child.wait().unwrap();
});
}
}
self.action_on_typing_activated = false;
self.visible = false;
self.update_capture_filter();
self.drag_surface = None;
Task::batch(
self.layer_surfaces
.keys()
.copied()
.map(destroy_layer_surface),
)
}
fn send_wayland_cmd(&self, cmd: backend::Cmd) {
if let Some(sender) = self.wayland_cmd_sender.as_ref() {
sender.send(cmd).unwrap();
}
}
fn update_capture_filter(&mut self) {
let mut capture_filter = backend::CaptureFilter::default();
if self.visible {
capture_filter.workspaces_on_outputs =
self.outputs.iter().map(|x| x.handle.clone()).collect();
capture_filter.toplevels_on_workspaces = self
.workspaces
.0
.iter()
.filter(|x| x.is_active())
.map(|x| x.handle().clone())
.collect();
}
// Drop `CaptureImage` for workspaces and toplevels not matching new
// filter.
for workspace in &mut self.workspaces.0 {
if !capture_filter.workspace_outputs_matches(&workspace.outputs) {
workspace.img = None;
}
}
for toplevel in &mut self.toplevels.0 {
if !capture_filter.toplevel_matches(&toplevel.info) {
toplevel.img = None;
}
}
self.capture_filter = capture_filter.clone();
self.send_wayland_cmd(backend::Cmd::CaptureFilter(capture_filter));
}
fn panel_regions(&self, output_handle: &wl_output::WlOutput) -> iced::Padding {
let Some(output) = self.outputs.iter().find(|o| o.handle == *output_handle) else {
return iced::Padding::ZERO;
};
let mut regions = iced::Padding::ZERO;
// TODO: If compositor supports overlap notify, also use that?
// Or otherwise verify the panel is actually running.
for config in self.panel_configs.values().flatten() {
if config.autohide.is_some() && !config.exclusive_zone {
let dimention_constraints = config.get_dimensions(
Some((output.width as u32, output.height as u32)),
None,
Some(config.get_effective_anchor_gap()),
);
let size =
config.size.get_applet_icon_size_with_padding(true) + u32::from(config.margin);
match config.anchor {
PanelAnchor::Left => {
let size = dimention_constraints.0.map_or(size, |constraints| {
size.clamp(constraints.start, constraints.end)
});
regions.left += size as f32;
}
PanelAnchor::Right => {
let size = dimention_constraints.0.map_or(size, |constraints| {
size.clamp(constraints.start, constraints.end)
});
regions.right += size as f32;
}
PanelAnchor::Top => {
let size = dimention_constraints.1.map_or(size, |constraints| {
size.clamp(constraints.start, constraints.end)
});
regions.top += size as f32;
}
PanelAnchor::Bottom => {
let size = dimention_constraints.1.map_or(size, |constraints| {
size.clamp(constraints.start, constraints.end)
});
regions.bottom += size as f32;
}
}
}
}
regions
}
}
impl Application for App {
type Message = Msg;
type Executor = cosmic::SingleThreadExecutor;
type Flags = Args;
const APP_ID: &'static str = "com.system76.CosmicWorkspaces";
fn init(core: cosmic::app::Core, _flags: Self::Flags) -> (Self, Task<cosmic::Action<Msg>>) {
(
Self {
core,
scroll: DiscreteScrollState::default().rate_limit(Some(SCROLL_RATE_LIMIT)),
..Default::default()
},
Task::none(),
)
}
// TODO: show panel and dock? Drag?
fn update(&mut self, message: Msg) -> Task<cosmic::Action<Msg>> {
match message {
Msg::SourceFinished => {
self.drag_surface = None;
}
Msg::WaylandEvent(evt) => match evt {
WaylandEvent::Output(evt, output) => {
// TODO: Less hacky way to get connection from iced-sctk
if self.conn.is_none()
&& let Some(backend) = output.backend().upgrade()
{
self.conn = Some(Connection::from_backend(backend));
}
match evt {
OutputEvent::Created(Some(info)) => {
if let (Some((width, height)), Some(name)) =
(info.logical_size, info.name)
{
self.outputs.push(Output {
handle: output.clone(),
name: name.clone(),
width,
height,
});
if self.visible {
return self.create_surface(output.clone());
}
}
}
OutputEvent::Created(None) => {} // XXX?
OutputEvent::InfoUpdate(info) => {
if let Some(output) =
self.outputs.iter_mut().find(|x| x.handle == output)
{
if let Some((width, height)) = info.logical_size {
output.width = width;
output.height = height;
}
if let Some(name) = info.name {
output.name = name;
}
// XXX re-create surface?
}
}
OutputEvent::Removed => {
if let Some(idx) = self.outputs.iter().position(|x| x.handle == output)
{
self.outputs.remove(idx);
}
if self.visible {
return self.destroy_surface(&output);
}
}
}
}
WaylandEvent::Layer(LayerEvent::Done, _surface, id) => {
if self.layer_surfaces.remove(&id).is_none() {
log::error!("removing non-existant layer shell id {}?", id);
}
}
_ => {}
},
Msg::Wayland(evt) => {
match evt {
backend::Event::CmdSender(sender) => {
self.wayland_cmd_sender = Some(sender);
}
backend::Event::Workspaces(mut workspaces) => {
workspaces.sort_by(|(_, w1), (_, w2)| w1.coordinates.cmp(&w2.coordinates));
let old_workspaces = mem::take(&mut self.workspaces);
for (outputs, workspace) in workspaces {
// XXX efficiency
let old_workspace = old_workspaces.for_handle(&workspace.handle);
let img = old_workspace.map(|i| i.img.clone()).unwrap_or_default();
let has_cursor = old_workspace.is_some_and(|w| w.has_cursor);
let dnd_source_id = old_workspace
.map_or_else(iced::id::Id::unique, |w| w.dnd_source_id.clone());
self.workspaces.0.push(Workspace {
info: workspace,
outputs,
img,
has_cursor,
dnd_source_id,
});
}
self.update_capture_filter();
}
backend::Event::NewToplevel(handle, info) => {
log::debug!("New toplevel: {info:?}");
let app_id = info.app_id.clone();
let icon_task = iced::Task::perform(
desktop_info::icon_for_app_id(app_id.clone()),
move |path| Msg::UpdateToplevelIcon(app_id.clone(), path),
)
.map(cosmic::Action::App);
self.toplevels.0.push(Toplevel {
icon: None,
handle,
info,
img: None,
});
// Close workspaces view if a window spawns while open
#[cfg(not(feature = "mock-backend"))]
if self.visible {
return Task::batch([icon_task, self.hide()]);
}
return icon_task;
}
backend::Event::UpdateToplevel(handle, info) => {
if let Some(toplevel) = self.toplevels.for_handle_mut(&handle) {
let mut task = Task::none();
if toplevel.info.app_id != info.app_id {
let app_id = info.app_id.clone();
task = iced::Task::perform(
desktop_info::icon_for_app_id(app_id.clone()),
move |path| Msg::UpdateToplevelIcon(app_id.clone(), path),
)
.map(cosmic::Action::App);
}
toplevel.info = info;
return task;
}
}
backend::Event::CloseToplevel(handle) => {
if let Some(idx) = self.toplevels.0.iter().position(|x| x.handle == handle)
{
self.toplevels.0.remove(idx);
}
}
backend::Event::WorkspaceCapture(handle, image) => {
//println!("Workspace capture");
if let Some(workspace) = self.workspaces.for_handle_mut(&handle)
&& self
.capture_filter
.workspace_outputs_matches(&workspace.outputs)
{
workspace.img = Some(image);
}
}
backend::Event::ToplevelCapture(handle, image) => {
if let Some(toplevel) = self.toplevels.for_handle_mut(&handle) {
// println!("Got toplevel image!");
if self.capture_filter.toplevel_matches(&toplevel.info) {
toplevel.img = Some(image);
}
}
}
backend::Event::ToplevelCapabilities(capabilities) => {
self.toplevel_capabilities = capabilities;
}
}
}
Msg::Close => {
return self.hide();
}
Msg::ActivateWorkspace(workspace_handle) => {
if let Some(workspace) = self.workspaces.for_handle(&workspace_handle)
&& workspace.is_active()
{
return self.hide();
}
self.send_wayland_cmd(backend::Cmd::ActivateWorkspace(workspace_handle));
}
Msg::ActivateToplevel(toplevel_handle) => {
self.send_wayland_cmd(backend::Cmd::ActivateToplevel(toplevel_handle));
return self.hide();
}
Msg::CloseWorkspace(_workspace_handle) => {
// XXX close specific workspace
/*
if let WorkspaceAmount::Static(n) = &mut self.conf.workspace_config.workspace_amount
{
if *n != 1 {
*n -= 1;
self.conf
.cosmic_comp_config
.set("workspaces", &self.conf.workspace_config);
}
}
*/
}
Msg::CloseToplevel(toplevel_handle) => {
// TODO confirmation?
self.send_wayland_cmd(backend::Cmd::CloseToplevel(toplevel_handle));
}
Msg::StartDrag(drag_surface) => {
self.drag_surface = Some((drag_surface, Default::default()));
}
Msg::DndEnter(drop_target, _x, _y, _mimes) => {
self.drop_target = Some(drop_target);
}
Msg::DndLeave(drop_target) => {
// Currently in iced-sctk, a `DndOfferEvent::Motion` may cause a leave event after
// an enter event, based on which widget handles it first. So we need a test here.
if self.drop_target == Some(drop_target) {
self.drop_target = None;
}
}
Msg::DndToplevelDrop(_toplevel) => {
if let Some((DragSurface::Toplevel(handle), _)) = &self.drag_surface {
match self.drop_target.take() {
Some(
DropTarget::WorkspaceSidebarEntry(workspace, output)
| DropTarget::OutputToplevels(workspace, output),
) => {
self.send_wayland_cmd(backend::Cmd::MoveToplevelToWorkspace(
handle.clone(),
workspace,
output,
));
}
Some(
DropTarget::WorkspacesBar(_)
| DropTarget::WorkspaceSidebarDragPlaceholder(_, _),
)
| None => {}
}
}
}
Msg::NewWorkspace => {
/*
if let WorkspaceAmount::Static(n) = &mut self.conf.workspace_config.workspace_amount
{
*n += 1;
self.conf
.cosmic_comp_config
.set("workspaces", &self.conf.workspace_config);
}
*/
}
Msg::Config(c) => {
self.conf.config = c;
}
Msg::CompConfig(c) => {
self.conf.workspace_config = c.workspaces;
}
Msg::BgConfig(c) => {
self.conf.bg = c;
}
Msg::UpdateToplevelIcon(app_id, path) => {
for toplevel in self.toplevels.0.iter_mut() {
if toplevel.info.app_id == app_id {
toplevel.icon = path.clone();
}
}
}
Msg::OnScroll(output, delta) => {
let discrete_delta = self.scroll.update(delta);
if discrete_delta.y != 0 {
// TODO assumes only one active workspace per output
let workspaces = self.workspaces.for_output(&output).collect::<Vec<_>>();
if let Some(workspace_idx) = workspaces.iter().position(|i| i.is_active()) {
// Add delta_num, to index wrapping around
let new_workspace_idx = (workspace_idx as isize - discrete_delta.y)
.rem_euclid(workspaces.len() as isize)
as usize;
let workspace = workspaces[new_workspace_idx];
self.send_wayland_cmd(backend::Cmd::ActivateWorkspace(
workspace.handle().clone(),
));
}
}
}
Msg::DndWorkspaceDrag => {}
Msg::DndWorkspaceDrop(_workspace) => {
if let Some((DragSurface::Workspace(handle), _)) = &self.drag_surface {
match self.drop_target.take() {
Some(
DropTarget::WorkspaceSidebarEntry(other_handle, _output)
| DropTarget::WorkspaceSidebarDragPlaceholder(other_handle, _output),
) => {
let workspace = self.workspaces.for_handle(handle);
let other_workspace = self.workspaces.for_handle(&other_handle);
if let (Some(workspace), Some(other_workspace)) =
(workspace, other_workspace)
{
if workspace.outputs == other_workspace.outputs
&& workspace.info.coordinates[0] + 1
== other_workspace.info.coordinates[0]
{
// Workspace is already in requested position
} else {
self.send_wayland_cmd(backend::Cmd::MoveWorkspaceBefore(
handle.clone(),
other_handle,
));
}
}
}
Some(DropTarget::OutputToplevels(_, _) | DropTarget::WorkspacesBar(_))
| None => {}
}
}
}
Msg::TogglePinned(workspace_handle) => {
if let Some(workspace) = self.workspaces.for_handle(&workspace_handle) {
self.send_wayland_cmd(backend::Cmd::SetWorkspacePinned(
workspace_handle,
!workspace.is_pinned(),
));
}
}
Msg::EnteredWorkspaceSidebarEntry(workspace_handle, entered) => {
if let Some(workspace) = self.workspaces.for_handle_mut(&workspace_handle) {
workspace.has_cursor = entered;
}
}
Msg::DbusInterface(interface) => {
if let Ok(interface) = interface {
self.dbus_interface = Some(interface);
}
}
Msg::DBus(evt) => {
return match evt {
dbus::Event::Show => self.show(),
dbus::Event::Hide => self.hide(),
};
}
Msg::PanelContainerEntries(entries) => {
self.panel_configs.retain(|k, _| entries.contains(k));
for entry in entries {
self.panel_configs.entry(entry).or_insert(None);
}
}
Msg::PanelConfig(config) => {
self.panel_configs.insert(config.name.clone(), Some(config));
}
Msg::ActionOnTyping(input) => {
let cmd = match self.conf.workspace_config.action_on_typing {
cosmic_comp_config::workspace::Action::None => return Task::none(),
cosmic_comp_config::workspace::Action::OpenLauncher => {
Some("cosmic-launcher \"$@\"".to_string())
}
cosmic_comp_config::workspace::Action::OpenApplications => {
Some("cosmic-app-library \"$@\"".to_string())
}
};
if let Some(cmd) = cmd {
tokio::spawn(async {
let mut child = Command::new("/bin/sh")
.arg("-c")
.arg(cmd)
.arg("_")
.arg("input")
.arg(input)
.spawn()
.unwrap();
let _ = child.wait().unwrap();
});
}
self.action_on_typing_activated = true;
}
Msg::Ignore => {}
}
Task::none()
}
fn dbus_activation(&mut self, msg: dbus_activation::Message) -> Task<cosmic::Action<Msg>> {
if let dbus_activation::Details::Activate = msg.msg {
self.toggle()
} else {
Task::none()
}
}
fn dbus_connection(&mut self, conn: zbus::Connection) -> Task<cosmic::Action<Msg>> {
Task::perform(dbus::Interface::new(conn), Msg::DbusInterface).map(cosmic::Action::App)
}
fn subscription(&self) -> Subscription<Msg> {
let events = iced::event::listen_with(|evt, _, _| match evt {
iced::Event::PlatformSpecific(iced::event::PlatformSpecific::Wayland(evt)) => {
if !matches!(evt, WaylandEvent::RequestResize) {
Some(Msg::WaylandEvent(evt))
} else {
None
}
}
iced::Event::Keyboard(iced::keyboard::Event::KeyPressed {
key: Key::Named(Named::Escape),
..
}) => Some(Msg::Close),
iced::Event::Keyboard(iced::keyboard::Event::KeyPressed {
key: Key::Character(key),
modifiers,
..
}) if !modifiers.control() && !modifiers.alt() && !modifiers.logo() => {
Some(Msg::ActionOnTyping(key.to_string()))
}
// XXX Workaround for `on_finish`/`on_cancel` not being called, seemingly
// due to state diffing behavior.
iced::Event::Dnd(DndEvent::Source(SourceEvent::Finished | SourceEvent::Cancelled)) => {
Some(Msg::SourceFinished)
}
_ => None,
});
let config_subscription = cosmic_config::config_subscription::<_, CosmicWorkspacesConfig>(
"config-sub",
"com.system76.CosmicWorkspaces".into(),
1,
)
.map(|update| {
if !update.errors.is_empty() {
log::error!("Failed to load workspaces config: {:?}", update.errors);
}
Msg::Config(update.config)
});
let comp_config_subscription = cosmic_config::config_subscription::<_, CosmicCompConfig>(
"comp-config-sub",
"com.system76.CosmicComp".into(),
1,
)
.map(|update| {
if !update.errors.is_empty() {
log::error!("Failed to load compositor config: {:?}", update.errors);
}
Msg::CompConfig(Box::new(update.config))
});
let bg_subscription =
cosmic_config::config_state_subscription::<_, cosmic_bg_config::state::State>(
"bg-sub",
cosmic_bg_config::NAME.into(),
cosmic_bg_config::state::State::version(),
)
.map(|update| {
if !update.errors.is_empty() {
log::error!("Failed to load bg config: {:?}", update.errors);
}
Msg::BgConfig(update.config)
});
let mut subscriptions = vec![
events,
config_subscription,
comp_config_subscription,
bg_subscription,
];
if let Some(conn) = self.conn.clone() {
subscriptions.push(backend::subscription(conn).map(Msg::Wayland));
}
if let Some(interface) = &self.dbus_interface {
subscriptions.push(interface.subscription().map(Msg::DBus));
}
subscriptions.push(panel_subscriptions(self.panel_configs.keys()));
iced::Subscription::batch(subscriptions)
}
fn view(&self) -> cosmic::Element<'_, Self::Message> {
unreachable!()
}
fn view_window(&self, id: iced::window::Id) -> cosmic::Element<'_, Self::Message> {
if let Some(surface) = self.layer_surfaces.get(&id) {
return view::layer_surface(self, surface);
}
log::error!("non-existant layer shell id {}?", id);
cosmic::widget::text("workspaces").into()
}
fn on_close_requested(&self, _id: SurfaceId) -> Option<Msg> {
None
}
fn core(&self) -> &cosmic::app::Core {
&self.core
}
fn core_mut(&mut self) -> &mut cosmic::app::Core {
&mut self.core
}
}
fn panel_subscriptions<'a>(
container_entries: impl Iterator<Item = &'a String>,
) -> Subscription<Msg> {
let mut subscriptions = vec![
cosmic_config::config_subscription::<_, CosmicPanelContainerConfigEntry>(
"panel-config-subscription",
"com.system76.CosmicPanel".into(),
1,
)
.map(|update| Msg::PanelContainerEntries(update.config.entries)),
];
for entry in container_entries {
subscriptions.push(
cosmic_config::config_subscription::<_, CosmicPanelConfig>(
("panel-config-subscription", entry.to_owned()),
format!("com.system76.CosmicPanel.{}", entry).into(),
1,
)
.map(|update| Msg::PanelConfig(update.config)),
);
}
iced::Subscription::batch(subscriptions)
}
fn init_localizer() {
let localizer = crate::localize::localizer();
let requested_languages = DesktopLanguageRequester::requested_languages();
if let Err(why) = localizer.select(&requested_languages) {
log::error!("error while loading fluent localizations: {}", why);
}
}
pub fn main() -> iced::Result {
env_logger::init();
init_localizer();
cosmic::app::run_single_instance::<App>(
cosmic::app::Settings::default()
.no_main_window(true)
.exit_on_close(false),
Args::parse(),
)
}