cosmic-applets/cosmic-app-list/src/app.rs
2023-10-11 19:46:07 -04:00

1133 lines
43 KiB
Rust
Executable file

use crate::config;
use crate::config::AppListConfig;
use crate::config::APP_ID;
use crate::fl;
use crate::toplevel_subscription::toplevel_subscription;
use crate::toplevel_subscription::ToplevelRequest;
use crate::toplevel_subscription::ToplevelUpdate;
use cctk::sctk::reexports::calloop::channel::Sender;
use cctk::toplevel_info::ToplevelInfo;
use cctk::wayland_client::protocol::wl_data_device_manager::DndAction;
use cctk::wayland_client::protocol::wl_seat::WlSeat;
use cosmic::app::{
applet::{cosmic_panel_config::PanelAnchor, CosmicAppletHelper},
Command,
};
use cosmic::cosmic_config;
use cosmic::cosmic_config::Config;
use cosmic::iced;
use cosmic::iced::subscription::events_with;
use cosmic::iced::wayland::actions::data_device::DataFromMimeType;
use cosmic::iced::wayland::actions::data_device::DndIcon;
use cosmic::iced::wayland::popup::destroy_popup;
use cosmic::iced::wayland::popup::get_popup;
use cosmic::iced::widget::dnd_listener;
use cosmic::iced::widget::vertical_rule;
use cosmic::iced::widget::vertical_space;
use cosmic::iced::widget::{column, dnd_source, mouse_area, row, Column, Row};
use cosmic::iced::Color;
use cosmic::iced::{window, Subscription};
use cosmic::iced_runtime::core::alignment::Horizontal;
use cosmic::iced_runtime::core::event;
use cosmic::iced_sctk::commands::data_device::accept_mime_type;
use cosmic::iced_sctk::commands::data_device::finish_dnd;
use cosmic::iced_sctk::commands::data_device::request_dnd_data;
use cosmic::iced_sctk::commands::data_device::set_actions;
use cosmic::iced_sctk::commands::data_device::start_drag;
use cosmic::iced_style::application;
use cosmic::theme::Button;
use cosmic::widget::divider;
use cosmic::widget::rectangle_tracker::rectangle_tracker_subscription;
use cosmic::widget::rectangle_tracker::RectangleTracker;
use cosmic::widget::rectangle_tracker::RectangleUpdate;
use cosmic::{Element, Theme};
use cosmic_protocols::toplevel_info::v1::client::zcosmic_toplevel_handle_v1::ZcosmicToplevelHandleV1;
use freedesktop_desktop_entry::DesktopEntry;
use futures::future::pending;
use iced::widget::container;
use iced::Alignment;
use iced::Background;
use iced::Length;
use itertools::Itertools;
use rand::{thread_rng, Rng};
use std::borrow::Cow;
use std::collections::HashMap;
use std::path::PathBuf;
use std::str::FromStr;
use std::time::Duration;
use tokio::time::sleep;
use url::Url;
static MIME_TYPE: &str = "text/uri-list";
pub fn run() -> cosmic::iced::Result {
cosmic::app::applet::run::<CosmicAppList>(true, ())
}
#[derive(Debug, Clone, Default)]
struct DockItem {
id: u32,
toplevels: Vec<(ZcosmicToplevelHandleV1, ToplevelInfo)>,
desktop_info: DesktopInfo,
}
impl DataFromMimeType for DockItem {
fn from_mime_type(&self, mime_type: &str) -> Option<Vec<u8>> {
if mime_type == MIME_TYPE {
Some(
Url::from_file_path(self.desktop_info.path.clone())
.ok()?
.to_string()
.as_bytes()
.to_vec(),
)
} else {
None
}
}
}
impl DockItem {
fn new(
id: u32,
toplevels: Vec<(ZcosmicToplevelHandleV1, ToplevelInfo)>,
desktop_info: DesktopInfo,
) -> Self {
Self {
id,
toplevels,
desktop_info,
}
}
fn as_icon(
&self,
applet_helper: &CosmicAppletHelper,
rectangle_tracker: Option<&RectangleTracker<u32>>,
interaction_enabled: bool,
) -> Element<'_, Message> {
let DockItem {
toplevels,
desktop_info,
id,
..
} = self;
let cosmic_icon = cosmic::widget::icon::from_path(PathBuf::from(&desktop_info.icon))
.icon()
.size(applet_helper.suggested_size().0);
let dot_radius = 2;
let dots = (0..toplevels.len())
.into_iter()
.map(|_| {
container(vertical_space(Length::Fixed(0.0)))
.padding(dot_radius)
.style(<Theme as container::StyleSheet>::Style::Custom(Box::new(
|theme| container::Appearance {
text_color: Some(Color::TRANSPARENT),
background: Some(Background::Color(
theme.cosmic().on_bg_color().into(),
)),
border_radius: 4.0.into(),
border_width: 0.0,
border_color: Color::TRANSPARENT,
icon_color: Some(Color::TRANSPARENT),
},
)))
.into()
})
.collect_vec();
let icon_wrapper: Element<_> = match applet_helper.anchor {
PanelAnchor::Left => row(vec![column(dots).spacing(4).into(), cosmic_icon.into()])
.align_items(iced::Alignment::Center)
.spacing(4)
.into(),
PanelAnchor::Right => row(vec![cosmic_icon.into(), column(dots).spacing(4).into()])
.align_items(iced::Alignment::Center)
.spacing(4)
.into(),
PanelAnchor::Top => column(vec![row(dots).spacing(4).into(), cosmic_icon.into()])
.align_items(iced::Alignment::Center)
.spacing(4)
.into(),
PanelAnchor::Bottom => column(vec![cosmic_icon.into(), row(dots).spacing(4).into()])
.align_items(iced::Alignment::Center)
.spacing(4)
.into(),
};
let icon_button = cosmic::widget::button(icon_wrapper)
.style(Button::Text)
.padding(8);
let icon_button = if interaction_enabled {
dnd_source(
mouse_area(
icon_button
.on_press(
toplevels
.first()
.map(|t| Message::Activate(t.0.clone()))
.unwrap_or_else(|| Message::Exec(desktop_info.exec.clone())),
)
.width(Length::Shrink)
.height(Length::Shrink),
)
.on_right_release(Message::Popup(desktop_info.id.clone())),
)
.on_drag(|_| Message::StartDrag(desktop_info.id.clone()))
.on_cancelled(Message::DragFinished)
.on_finished(Message::DragFinished)
} else {
dnd_source(icon_button)
};
if let Some(tracker) = rectangle_tracker {
tracker.container(*id, icon_button).into()
} else {
icon_button.into()
}
}
}
#[derive(Debug, Clone, Default)]
struct DndOffer {
dock_item: Option<DockItem>,
preview_index: usize,
}
#[derive(Clone, Default)]
struct CosmicAppList {
core: cosmic::app::Core,
popup: Option<(window::Id, DockItem)>,
surface_id_ctr: u128,
subscription_ctr: u32,
item_ctr: u32,
active_list: Vec<DockItem>,
favorite_list: Vec<DockItem>,
dnd_source: Option<(window::Id, DockItem, DndAction)>,
config: AppListConfig,
toplevel_sender: Option<Sender<ToplevelRequest>>,
seat: Option<WlSeat>,
rectangle_tracker: Option<RectangleTracker<u32>>,
rectangles: HashMap<u32, iced::Rectangle>,
dnd_offer: Option<DndOffer>,
is_listening_for_dnd: bool,
}
// TODO DnD after sctk merges DnD
#[derive(Debug, Clone)]
enum Message {
Toplevel(ToplevelUpdate),
Favorite(String),
UnFavorite(String),
Popup(String),
CloseRequested(window::Id),
ClosePopup,
Activate(ZcosmicToplevelHandleV1),
Exec(String),
Quit(String),
Ignore,
NewSeat(WlSeat),
RemovedSeat(WlSeat),
Rectangle(RectangleUpdate<u32>),
StartDrag(String), // id of the DockItem
DragFinished,
DndEnter(f32, f32),
DndExit,
DndMotion(f32, f32),
DndDrop,
DndData(PathBuf),
StartListeningForDnd,
StopListeningForDnd,
IncrementSubscriptionCtr,
ConfigUpdated(AppListConfig),
}
#[derive(Debug, Clone, Default)]
struct DesktopInfo {
id: String,
wm_class: Option<String>,
icon: PathBuf,
exec: String,
name: String,
path: PathBuf,
}
fn default_app_icon() -> PathBuf {
freedesktop_icons::lookup("application-default")
.with_theme("Cosmic")
.force_svg()
.with_cache()
.find()
.or_else(|| {
freedesktop_icons::lookup("application-x-executable")
.with_theme("default")
.with_size(128)
.with_cache()
.find()
})
.unwrap_or_default()
}
fn desktop_info_for_app_ids(mut app_ids: Vec<String>) -> Vec<DesktopInfo> {
let app_ids_clone = app_ids.clone();
let mut ret = freedesktop_desktop_entry::Iter::new(freedesktop_desktop_entry::default_paths())
.filter_map(|path| {
std::fs::read_to_string(&path).ok().and_then(|input| {
DesktopEntry::decode(&path, &input).ok().and_then(|de| {
if let Some(i) = app_ids.iter().position(|s| {
s == de.appid || s.eq(&de.startup_wm_class().unwrap_or_default())
}) {
let icon = freedesktop_icons::lookup(de.icon().unwrap_or(de.appid))
.with_size(128)
.with_cache()
.find()
.unwrap_or_else(default_app_icon);
app_ids.remove(i);
Some(DesktopInfo {
id: de.appid.to_string(),
wm_class: de.startup_wm_class().map(ToString::to_string),
icon,
exec: de.exec().unwrap_or_default().to_string(),
name: de.name(None).unwrap_or_default().to_string(),
path: path.clone(),
})
} else {
None
}
})
})
})
.collect_vec();
ret.append(
&mut app_ids
.into_iter()
.map(|id| DesktopInfo {
id,
icon: default_app_icon(),
..Default::default()
})
.collect_vec(),
);
ret.sort_by(|a, b| {
app_ids_clone
.iter()
.position(|id| id == &a.id || Some(id) == a.wm_class.as_ref())
.cmp(
&app_ids_clone
.iter()
.position(|id| id == &b.id || Some(id) == b.wm_class.as_ref()),
)
});
ret
}
fn index_in_list(
mut list_len: usize,
item_size: f32,
divider_size: f32,
existing_preview: Option<usize>,
pos_in_list: f32,
) -> usize {
if existing_preview.is_some() {
list_len += 1;
}
let total_len = list_len as f32 * (item_size + divider_size) - divider_size;
let pos_in_list = pos_in_list * total_len as f32;
let index = if list_len == 0 {
0
} else {
if pos_in_list < item_size / 2.0 {
0
} else {
let mut i = 1;
let mut pos = item_size / 2.0;
while i < list_len {
let next_pos = pos + item_size + divider_size;
if pos > pos_in_list && pos_in_list < next_pos {
break;
}
pos = next_pos;
i += 1;
}
i
}
};
if let Some(existing_preview) = existing_preview {
if index >= existing_preview {
index.checked_sub(1).unwrap_or_default()
} else {
index
}
} else {
index
}
}
impl cosmic::Application for CosmicAppList {
type Message = Message;
type Executor = cosmic::SingleThreadExecutor;
type Flags = ();
const APP_ID: &'static str = config::APP_ID;
fn init(core: cosmic::app::Core, _flags: ()) -> (Self, Command<Message>) {
let config = config::AppListConfig::load().unwrap_or_default();
let mut self_ = CosmicAppList {
core,
favorite_list: desktop_info_for_app_ids(config.favorites.clone())
.into_iter()
.enumerate()
.map(|(favorite_ctr, e)| DockItem {
id: favorite_ctr as u32,
toplevels: Default::default(),
desktop_info: e,
})
.collect(),
config,
..Default::default()
};
self_.item_ctr = self_.favorite_list.len() as u32;
(self_, Command::none())
}
fn core(&self) -> &cosmic::app::Core {
&self.core
}
fn core_mut(&mut self) -> &mut cosmic::app::Core {
&mut self.core
}
fn update(&mut self, message: Message) -> Command<Message> {
match message {
Message::Popup(id) => {
if let Some((popup_id, _toplevel)) = self.popup.take() {
return destroy_popup(popup_id);
}
if let Some(toplevel_group) = self
.active_list
.iter()
.chain(self.favorite_list.iter())
.find(|t| t.desktop_info.id == id)
{
let rectangle = match self.rectangles.get(&toplevel_group.id) {
Some(r) => r,
None => return Command::none(),
};
self.surface_id_ctr += 1;
let new_id = window::Id(self.surface_id_ctr);
self.popup = Some((new_id, toplevel_group.clone()));
let mut popup_settings = self.core.applet_helper.get_popup_settings(
window::Id(0),
new_id,
None,
None,
None,
);
let iced::Rectangle {
x,
y,
width,
height,
} = *rectangle;
popup_settings.positioner.anchor_rect = iced::Rectangle::<i32> {
x: x as i32,
y: y as i32,
width: width as i32,
height: height as i32,
};
return get_popup(popup_settings);
}
}
Message::Favorite(id) => {
if let Some(i) = self.active_list.iter().position(|t| {
t.desktop_info.id == id
}) {
let entry = self.active_list.remove(i);
self.favorite_list.push(entry);
}
self.config
.add_favorite(id, &Config::new(APP_ID, 1).unwrap());
if let Some((popup_id, _toplevel)) = self.popup.take() {
return destroy_popup(popup_id);
}
}
Message::UnFavorite(id) => {
let _ = self
.config
.remove_favorite(id.clone(), &Config::new(APP_ID, 1).unwrap());
if let Some(i) = self
.favorite_list
.iter()
.position(|t| t.desktop_info.id == id)
{
let entry = self.favorite_list.remove(i);
self.rectangles.remove(&entry.id);
if !entry.toplevels.is_empty() {
self.active_list.push(entry);
}
}
if let Some((popup_id, _toplevel)) = self.popup.take() {
return destroy_popup(popup_id);
}
}
Message::Activate(handle) => {
if let Some(p) = self.popup.take() {
return destroy_popup(p.0);
}
if let (Some(tx), Some(seat)) = (self.toplevel_sender.as_ref(), self.seat.as_ref())
{
let _ = tx.send(ToplevelRequest::Activate(handle, seat.clone()));
}
}
Message::Quit(id) => {
if let Some(toplevel_group) = self
.active_list
.iter()
.chain(self.favorite_list.iter())
.find(|t| t.desktop_info.id == id)
{
for (handle, _) in &toplevel_group.toplevels {
if let Some(tx) = self.toplevel_sender.as_ref() {
let _ = tx.send(ToplevelRequest::Quit(handle.clone()));
}
}
}
if let Some((popup_id, _toplevel)) = self.popup.take() {
return destroy_popup(popup_id);
}
}
Message::StartDrag(id) => {
if let Some((is_favorite, toplevel_group)) = self
.active_list
.iter()
.find_map(|t| {
if t.desktop_info.id == id {
Some((false, t.clone()))
} else {
None
}
})
.or_else(|| {
if let Some(pos) = self
.favorite_list
.iter()
.position(|t| t.desktop_info.id == id)
{
let t = self.favorite_list.remove(pos);
let _ = self.config.remove_favorite(
t.desktop_info.id.clone(),
&Config::new(APP_ID, 1).unwrap(),
);
Some((true, t))
} else {
None
}
})
{
self.surface_id_ctr += 1;
let icon_id = window::Id(self.surface_id_ctr);
self.dnd_source = Some((icon_id, toplevel_group.clone(), DndAction::empty()));
return start_drag(
vec![MIME_TYPE.to_string()],
if is_favorite {
DndAction::all()
} else {
DndAction::Copy
},
window::Id(0),
Some(DndIcon::Custom(icon_id)),
Box::new(toplevel_group.clone()),
);
}
}
Message::DragFinished => {
if let Some((_, mut toplevel_group, _)) = self.dnd_source.take() {
if !self
.favorite_list
.iter()
.chain(self.active_list.iter())
.any(|t| t.desktop_info.id == toplevel_group.desktop_info.id)
&& !toplevel_group.toplevels.is_empty()
{
self.item_ctr += 1;
toplevel_group.id = self.item_ctr;
self.active_list.push(toplevel_group);
}
}
}
Message::DndEnter(x, y) => {
let item_size = self.core.applet_helper.suggested_size().0;
let pos_in_list = match self.core.applet_helper.anchor {
PanelAnchor::Top | PanelAnchor::Bottom => x,
PanelAnchor::Left | PanelAnchor::Right => y,
};
let num_favs = self.favorite_list.len();
let index = index_in_list(num_favs, item_size as f32, 4.0, None, pos_in_list);
self.dnd_offer = Some(DndOffer {
preview_index: index,
..DndOffer::default()
});
let mut cmds = vec![
accept_mime_type(Some(MIME_TYPE.to_string())),
set_actions(
if self.dnd_source.is_some() {
DndAction::Move
} else {
DndAction::Copy
},
DndAction::all(),
),
];
if let Some(dnd_source) = self.dnd_source.as_ref() {
self.dnd_offer.as_mut().unwrap().dock_item = Some(dnd_source.1.clone());
} else {
cmds.push(request_dnd_data(MIME_TYPE.to_string()));
}
return Command::batch(cmds);
}
Message::DndMotion(x, y) => {
if let Some(DndOffer { preview_index, .. }) = self.dnd_offer.as_mut() {
let item_size = self.core.applet_helper.suggested_size().0;
let pos_in_list = match self.core.applet_helper.anchor {
PanelAnchor::Top | PanelAnchor::Bottom => x,
PanelAnchor::Left | PanelAnchor::Right => y,
};
let num_favs = self.favorite_list.len();
let index = index_in_list(
num_favs,
item_size as f32,
4.0,
Some(*preview_index),
pos_in_list,
);
*preview_index = index;
}
}
Message::DndExit => {
self.dnd_offer = None;
return accept_mime_type(None);
}
Message::DndData(file_path) => {
if let Some(DndOffer { dock_item, .. }) = self.dnd_offer.as_mut() {
if let Some(di) = std::fs::read_to_string(&file_path).ok().and_then(|input| {
DesktopEntry::decode(&file_path, &input)
.ok()
.and_then(|de| {
let icon = freedesktop_icons::lookup(de.icon().unwrap_or(de.appid))
.with_size(128)
.with_cache()
.find()
.unwrap_or_else(default_app_icon);
Some(DesktopInfo {
id: de.id().to_string(),
wm_class: de.startup_wm_class().map(ToString::to_string),
icon,
exec: de.exec().unwrap_or_default().to_string(),
name: de.name(None).unwrap_or_default().to_string(),
path: file_path.clone(),
})
})
}) {
self.item_ctr += 1;
*dock_item = Some(DockItem::new(self.item_ctr, Vec::new(), di));
}
}
}
Message::DndDrop => {
// we actually should have the data already, if not, we probably shouldn't do
// anything anyway
if let Some((mut dock_item, index)) = self
.dnd_offer
.take()
.and_then(|o| o.dock_item.map(|i| (i, o.preview_index)))
{
self.item_ctr += 1;
if let Some((pos, is_favorite)) = self
.active_list
.iter()
.position(|DockItem { desktop_info, .. }| {
desktop_info.id == dock_item.desktop_info.id
})
.map(|pos| (pos, false))
.or_else(|| {
self.favorite_list
.iter()
.position(|DockItem { desktop_info, .. }| {
desktop_info.id == dock_item.desktop_info.id
})
.map(|pos| (pos, true))
})
{
let t = if is_favorite {
self.favorite_list.remove(pos)
} else {
self.active_list.remove(pos)
};
dock_item.toplevels = t.toplevels;
};
dock_item.id = self.item_ctr;
self.favorite_list
.insert(index.min(self.favorite_list.len()), dock_item);
self.config.update_favorites(
self.favorite_list
.iter()
.map(|dock_item| dock_item.desktop_info.id.clone())
.collect(),
&Config::new(APP_ID, 1).unwrap(),
);
}
return finish_dnd();
}
Message::Toplevel(event) => {
match event {
ToplevelUpdate::AddToplevel(handle, info) => {
if info.app_id.is_empty() {
return Command::none();
}
if let Some(t) = self
.active_list
.iter_mut()
.chain(self.favorite_list.iter_mut())
.find(|DockItem { desktop_info, .. }| {
desktop_info.id == info.app_id
|| desktop_info.wm_class.as_ref() == Some(&info.app_id)
})
{
t.toplevels.push((handle, info));
} else {
let desktop_info =
desktop_info_for_app_ids(vec![info.app_id.clone()]).remove(0);
self.item_ctr += 1;
self.active_list.push(DockItem {
id: self.item_ctr,
toplevels: vec![(handle, info)],
desktop_info,
});
}
}
ToplevelUpdate::Init(tx) => {
self.toplevel_sender.replace(tx);
}
ToplevelUpdate::Finished => {
for t in &mut self.favorite_list {
t.toplevels.clear();
}
self.active_list.clear();
let subscription_ctr = self.subscription_ctr;
let mut rng = thread_rng();
let rand_d = rng.gen_range(0..100);
return iced::Command::perform(
async move {
if let Some(millis) = 2u64
.checked_pow(subscription_ctr)
.and_then(|d| d.checked_add(rand_d))
{
sleep(Duration::from_millis(millis)).await;
} else {
pending::<()>().await;
}
},
|_| Message::IncrementSubscriptionCtr,
)
.map(cosmic::app::message::app);
}
ToplevelUpdate::RemoveToplevel(handle) => {
for t in self
.active_list
.iter_mut()
.chain(self.favorite_list.iter_mut())
{
t.toplevels.retain(|(t_handle, _)| t_handle != &handle);
}
self.active_list.retain(|t| !t.toplevels.is_empty());
}
ToplevelUpdate::UpdateToplevel(handle, info) => {
// TODO probably want to make sure it is removed
if info.app_id.is_empty() {
return Command::none();
}
'toplevel_loop: for toplevel_list in self
.active_list
.iter_mut()
.chain(self.favorite_list.iter_mut())
{
for (t_handle, t_info) in &mut toplevel_list.toplevels {
if &handle == t_handle {
*t_info = info;
break 'toplevel_loop;
}
}
}
}
}
}
Message::NewSeat(s) => {
self.seat.replace(s);
}
Message::RemovedSeat(_) => {
self.seat.take();
}
Message::Exec(exec_str) => {
let mut exec = shlex::Shlex::new(&exec_str);
let mut cmd = match exec.next() {
Some(cmd) if !cmd.contains('=') => tokio::process::Command::new(cmd),
_ => return Command::none(),
};
for arg in exec {
// TODO handle "%" args here if necessary?
if !arg.starts_with('%') {
cmd.arg(arg);
}
}
let _ = cmd.spawn();
}
Message::Rectangle(u) => match u {
RectangleUpdate::Rectangle(r) => {
self.rectangles.insert(r.0, r.1);
}
RectangleUpdate::Init(tracker) => {
self.rectangle_tracker.replace(tracker);
}
},
Message::Ignore => {}
Message::ClosePopup => {
if let Some(p) = self.popup.take() {
return destroy_popup(p.0);
}
}
Message::StartListeningForDnd => {
self.is_listening_for_dnd = true;
}
Message::StopListeningForDnd => {
self.is_listening_for_dnd = false;
}
Message::IncrementSubscriptionCtr => {
self.subscription_ctr += 1;
}
Message::ConfigUpdated(config) => {
self.config = config;
// drain to active list
for item in self.favorite_list.drain(..) {
self.active_list.push(item);
}
// pull back configured items into the favorites list
self.favorite_list = desktop_info_for_app_ids(self.config.favorites.clone())
.into_iter()
.map(|new_dock_item| {
if let Some(p) = self
.active_list
.iter()
.position(|dock_item| dock_item.desktop_info.id == new_dock_item.id)
{
self.active_list.remove(p)
} else {
self.item_ctr += 1;
DockItem {
id: self.item_ctr,
toplevels: Default::default(),
desktop_info: new_dock_item,
}
}
})
.collect();
}
Message::CloseRequested(id) => {
if Some(id) == self.popup.as_ref().map(|p| p.0) {
self.popup = None;
}
}
}
Command::none()
}
fn view(&self) -> Element<Message> {
let is_horizontal = match self.core.applet_helper.anchor {
PanelAnchor::Top | PanelAnchor::Bottom => true,
PanelAnchor::Left | PanelAnchor::Right => false,
};
let mut favorites: Vec<_> = self
.favorite_list
.iter()
.map(|dock_item| {
dock_item.as_icon(
&self.core.applet_helper,
self.rectangle_tracker.as_ref(),
self.popup.is_none(),
)
})
.collect();
if let Some((item, index)) = self
.dnd_offer
.as_ref()
.and_then(|o| o.dock_item.as_ref().map(|item| (item, o.preview_index)))
{
favorites.insert(index, item.as_icon(&self.core.applet_helper, None, false));
} else if self.is_listening_for_dnd && self.favorite_list.is_empty() {
// show star indicating favorite_list is drag target
favorites.push(
container(
cosmic::widget::icon::from_name("starred-symbolic.symbolic")
.size(self.core.applet_helper.suggested_size().0),
)
.padding(8)
.into(),
);
}
let active: Vec<_> = self
.active_list
.iter()
.map(|dock_item| {
dock_item.as_icon(
&self.core.applet_helper,
self.rectangle_tracker.as_ref(),
self.popup.is_none(),
)
})
.collect();
let (w, h, favorites, active, divider) = if is_horizontal {
(
Length::Fill,
Length::Shrink,
dnd_listener(row(favorites)),
row(active).into(),
container(vertical_rule(1))
.height(self.core.applet_helper.suggested_size().1)
.into(),
)
} else {
(
Length::Shrink,
Length::Fill,
dnd_listener(column(favorites)),
column(active).into(),
container(divider::horizontal::light())
.width(self.core.applet_helper.suggested_size().1)
.into(),
)
};
let favorites = favorites
.on_enter(|_actions, mime_types, location| {
if self.is_listening_for_dnd || mime_types.iter().any(|m| m == MIME_TYPE) {
Message::DndEnter(location.0, location.1)
} else {
Message::Ignore
}
})
.on_motion(if self.dnd_offer.is_some() {
|x, y| Message::DndMotion(x, y)
} else {
|_, _| Message::Ignore
})
.on_exit(Message::DndExit)
.on_drop(Message::DndDrop)
.on_data(|mime_type, data| {
if mime_type == MIME_TYPE {
if let Some(p) = String::from_utf8(data)
.ok()
.and_then(|s| Url::from_str(&s).ok())
.and_then(|u| u.to_file_path().ok())
{
Message::DndData(p)
} else {
Message::Ignore
}
} else {
Message::Ignore
}
});
let show_favorites =
!self.favorite_list.is_empty() || self.dnd_offer.is_some() || self.is_listening_for_dnd;
let content_list: Vec<Element<_>> = if show_favorites && !self.active_list.is_empty() {
vec![favorites.into(), divider, active]
} else if show_favorites {
vec![favorites.into()]
} else if !self.active_list.is_empty() {
vec![active]
} else {
vec![
cosmic::widget::icon::from_name("com.system76.CosmicAppList")
.size(self.core.applet_helper.suggested_size().0)
.into(),
]
};
let content = match &self.core.applet_helper.anchor {
PanelAnchor::Left | PanelAnchor::Right => container(
Column::with_children(content_list)
.spacing(4)
.align_items(Alignment::Center)
.height(h)
.width(w),
),
PanelAnchor::Top | PanelAnchor::Bottom => container(
Row::with_children(content_list)
.spacing(4)
.align_items(Alignment::Center)
.height(h)
.width(w),
),
};
if self.popup.is_some() {
mouse_area(content)
.on_right_release(Message::ClosePopup)
.on_press(Message::ClosePopup)
.into()
} else {
content.into()
}
}
fn view_window(&self, id: window::Id) -> Element<Message> {
if let Some((_, item, _)) = self.dnd_source.as_ref().filter(|s| s.0 == id) {
cosmic::widget::icon::from_path(PathBuf::from(&item.desktop_info.icon))
.icon()
.size(self.core.applet_helper.suggested_size().0)
.into()
} else if let Some((
_popup_id,
DockItem {
toplevels,
desktop_info,
..
},
)) = self.popup.as_ref().filter(|p| id == p.0)
{
let is_favorite = self.config.favorites.contains(&desktop_info.id)
|| desktop_info
.wm_class
.as_ref()
.is_some_and(|wm_class| self.config.favorites.contains(wm_class));
let mut content = column![
iced::widget::text(&desktop_info.name).horizontal_alignment(Horizontal::Center),
cosmic::widget::button(iced::widget::text(fl!("new-window")))
.style(Button::Text)
.on_press(Message::Exec(desktop_info.exec.clone())),
]
.padding(8)
.spacing(4)
.align_items(Alignment::Center);
if !toplevels.is_empty() {
let mut list_col = column![];
for (handle, info) in toplevels {
let title = if info.title.len() > 20 {
format!("{:.24}...", &info.title)
} else {
info.title.clone()
};
list_col = list_col.push(
cosmic::widget::button(iced::widget::text(title))
.style(Button::Text)
.on_press(Message::Activate(handle.clone())),
);
}
content = content.push(divider::horizontal::light());
content = content.push(list_col);
content = content.push(divider::horizontal::light());
}
content = content.push(if is_favorite {
cosmic::widget::button(iced::widget::text(fl!("unfavorite")))
.style(Button::Text)
.on_press(Message::UnFavorite(desktop_info.id.clone()))
} else {
cosmic::widget::button(iced::widget::text(fl!("favorite")))
.style(Button::Text)
.on_press(Message::Favorite(desktop_info.id.clone()))
});
content = match toplevels.len() {
0 => content,
1 => content.push(
cosmic::widget::button(iced::widget::text(fl!("quit")))
.style(Button::Text)
.on_press(Message::Quit(desktop_info.id.clone())),
),
_ => content.push(
cosmic::widget::button(iced::widget::text(&fl!("quit-all")))
.style(Button::Text)
.on_press(Message::Quit(desktop_info.id.clone())),
),
};
self.core.applet_helper.popup_container(content).into()
} else {
iced::widget::text("").into()
}
}
fn subscription(&self) -> Subscription<Message> {
Subscription::batch(vec![
toplevel_subscription(self.subscription_ctr).map(Message::Toplevel),
events_with(|e, _| match e {
cosmic::iced_runtime::core::Event::PlatformSpecific(
event::PlatformSpecific::Wayland(event::wayland::Event::Seat(e, seat)),
) => match e {
event::wayland::SeatEvent::Enter => Some(Message::NewSeat(seat)),
event::wayland::SeatEvent::Leave => Some(Message::RemovedSeat(seat)),
},
// XXX Must be done to catch a finished drag after the source is removed
// (for now, the source is removed when the drag starts)
cosmic::iced_runtime::core::Event::PlatformSpecific(
event::PlatformSpecific::Wayland(event::wayland::Event::DataSource(
event::wayland::DataSourceEvent::DndFinished
| event::wayland::DataSourceEvent::Cancelled,
)),
) => Some(Message::DragFinished),
cosmic::iced_runtime::core::Event::PlatformSpecific(
event::PlatformSpecific::Wayland(event::wayland::Event::DndOffer(
event::wayland::DndOfferEvent::Enter { mime_types, .. },
)),
) => {
if mime_types.iter().any(|m| m == MIME_TYPE) {
Some(Message::StartListeningForDnd)
} else {
None
}
}
cosmic::iced_runtime::core::Event::PlatformSpecific(
event::PlatformSpecific::Wayland(event::wayland::Event::DndOffer(
event::wayland::DndOfferEvent::Leave
| event::wayland::DndOfferEvent::DropPerformed,
)),
) => Some(Message::StopListeningForDnd),
_ => None,
}),
rectangle_tracker_subscription(0).map(|update| Message::Rectangle(update.1)),
cosmic_config::config_subscription(0, Cow::from(APP_ID), 1).map(|(_, config)| {
match config {
Ok(config) => Message::ConfigUpdated(config),
Err((errors, config)) => {
for error in errors {
log::error!("{:?}", error);
}
Message::ConfigUpdated(config)
}
}
}),
])
}
fn style(&self) -> Option<<Theme as application::StyleSheet>::Style> {
Some(cosmic::app::applet::style())
}
fn on_close_requested(&self, id: window::Id) -> Option<Message> {
Some(Message::CloseRequested(id))
}
}