ZIm/crates/gpui/src/platform/linux/wayland/client.rs
Mikayla Maki 855048041d
Update http crate name (#15041)
Release Notes:

- N/A
2024-07-23 15:01:05 -07:00

2024 lines
75 KiB
Rust

use std::cell::{RefCell, RefMut};
use std::hash::Hash;
use std::os::fd::{AsRawFd, BorrowedFd};
use std::path::PathBuf;
use std::rc::{Rc, Weak};
use std::time::{Duration, Instant};
use calloop::timer::{TimeoutAction, Timer};
use calloop::{EventLoop, LoopHandle};
use calloop_wayland_source::WaylandSource;
use collections::HashMap;
use filedescriptor::Pipe;
use http_client::Url;
use smallvec::SmallVec;
use util::ResultExt;
use wayland_backend::client::ObjectId;
use wayland_backend::protocol::WEnum;
use wayland_client::event_created_child;
use wayland_client::globals::{registry_queue_init, GlobalList, GlobalListContents};
use wayland_client::protocol::wl_callback::{self, WlCallback};
use wayland_client::protocol::wl_data_device_manager::DndAction;
use wayland_client::protocol::wl_data_offer::WlDataOffer;
use wayland_client::protocol::wl_pointer::AxisSource;
use wayland_client::protocol::{
wl_data_device, wl_data_device_manager, wl_data_offer, wl_data_source, wl_output, wl_region,
};
use wayland_client::{
delegate_noop,
protocol::{
wl_buffer, wl_compositor, wl_keyboard, wl_pointer, wl_registry, wl_seat, wl_shm,
wl_shm_pool, wl_surface,
},
Connection, Dispatch, Proxy, QueueHandle,
};
use wayland_protocols::wp::cursor_shape::v1::client::{
wp_cursor_shape_device_v1, wp_cursor_shape_manager_v1,
};
use wayland_protocols::wp::fractional_scale::v1::client::{
wp_fractional_scale_manager_v1, wp_fractional_scale_v1,
};
use wayland_protocols::wp::primary_selection::zv1::client::zwp_primary_selection_offer_v1::{
self, ZwpPrimarySelectionOfferV1,
};
use wayland_protocols::wp::primary_selection::zv1::client::{
zwp_primary_selection_device_manager_v1, zwp_primary_selection_device_v1,
zwp_primary_selection_source_v1,
};
use wayland_protocols::wp::text_input::zv3::client::zwp_text_input_v3::{
ContentHint, ContentPurpose,
};
use wayland_protocols::wp::text_input::zv3::client::{
zwp_text_input_manager_v3, zwp_text_input_v3,
};
use wayland_protocols::wp::viewporter::client::{wp_viewport, wp_viewporter};
use wayland_protocols::xdg::activation::v1::client::{xdg_activation_token_v1, xdg_activation_v1};
use wayland_protocols::xdg::decoration::zv1::client::{
zxdg_decoration_manager_v1, zxdg_toplevel_decoration_v1,
};
use wayland_protocols::xdg::shell::client::{xdg_surface, xdg_toplevel, xdg_wm_base};
use wayland_protocols_plasma::blur::client::{org_kde_kwin_blur, org_kde_kwin_blur_manager};
use xkbcommon::xkb::ffi::XKB_KEYMAP_FORMAT_TEXT_V1;
use xkbcommon::xkb::{self, Keycode, KEYMAP_COMPILE_NO_FLAGS};
use super::display::WaylandDisplay;
use super::window::{ImeInput, WaylandWindowStatePtr};
use crate::platform::linux::wayland::clipboard::{
Clipboard, DataOffer, FILE_LIST_MIME_TYPE, TEXT_MIME_TYPE,
};
use crate::platform::linux::wayland::cursor::Cursor;
use crate::platform::linux::wayland::serial::{SerialKind, SerialTracker};
use crate::platform::linux::wayland::window::WaylandWindow;
use crate::platform::linux::xdg_desktop_portal::{Event as XDPEvent, XDPEventSource};
use crate::platform::linux::LinuxClient;
use crate::platform::linux::{
get_xkb_compose_state, is_within_click_distance, open_uri_internal, read_fd,
reveal_path_internal,
};
use crate::platform::PlatformWindow;
use crate::{
point, px, size, Bounds, DevicePixels, FileDropEvent, ForegroundExecutor, MouseExitEvent, Size,
DOUBLE_CLICK_INTERVAL, SCROLL_LINES,
};
use crate::{
AnyWindowHandle, CursorStyle, DisplayId, KeyDownEvent, KeyUpEvent, Keystroke, Modifiers,
ModifiersChangedEvent, MouseButton, MouseDownEvent, MouseMoveEvent, MouseUpEvent,
NavigationDirection, Pixels, PlatformDisplay, PlatformInput, Point, ScrollDelta,
ScrollWheelEvent, TouchPhase,
};
use crate::{LinuxCommon, WindowParams};
/// Used to convert evdev scancode to xkb scancode
const MIN_KEYCODE: u32 = 8;
#[derive(Clone)]
pub struct Globals {
pub qh: QueueHandle<WaylandClientStatePtr>,
pub activation: Option<xdg_activation_v1::XdgActivationV1>,
pub compositor: wl_compositor::WlCompositor,
pub cursor_shape_manager: Option<wp_cursor_shape_manager_v1::WpCursorShapeManagerV1>,
pub data_device_manager: Option<wl_data_device_manager::WlDataDeviceManager>,
pub primary_selection_manager:
Option<zwp_primary_selection_device_manager_v1::ZwpPrimarySelectionDeviceManagerV1>,
pub wm_base: xdg_wm_base::XdgWmBase,
pub shm: wl_shm::WlShm,
pub seat: wl_seat::WlSeat,
pub viewporter: Option<wp_viewporter::WpViewporter>,
pub fractional_scale_manager:
Option<wp_fractional_scale_manager_v1::WpFractionalScaleManagerV1>,
pub decoration_manager: Option<zxdg_decoration_manager_v1::ZxdgDecorationManagerV1>,
pub blur_manager: Option<org_kde_kwin_blur_manager::OrgKdeKwinBlurManager>,
pub text_input_manager: Option<zwp_text_input_manager_v3::ZwpTextInputManagerV3>,
pub executor: ForegroundExecutor,
}
impl Globals {
fn new(
globals: GlobalList,
executor: ForegroundExecutor,
qh: QueueHandle<WaylandClientStatePtr>,
seat: wl_seat::WlSeat,
) -> Self {
Globals {
activation: globals.bind(&qh, 1..=1, ()).ok(),
compositor: globals
.bind(
&qh,
wl_surface::REQ_SET_BUFFER_SCALE_SINCE
..=wl_surface::EVT_PREFERRED_BUFFER_SCALE_SINCE,
(),
)
.unwrap(),
cursor_shape_manager: globals.bind(&qh, 1..=1, ()).ok(),
data_device_manager: globals
.bind(
&qh,
WL_DATA_DEVICE_MANAGER_VERSION..=WL_DATA_DEVICE_MANAGER_VERSION,
(),
)
.ok(),
primary_selection_manager: globals.bind(&qh, 1..=1, ()).ok(),
shm: globals.bind(&qh, 1..=1, ()).unwrap(),
seat,
wm_base: globals.bind(&qh, 2..=5, ()).unwrap(),
viewporter: globals.bind(&qh, 1..=1, ()).ok(),
fractional_scale_manager: globals.bind(&qh, 1..=1, ()).ok(),
decoration_manager: globals.bind(&qh, 1..=1, ()).ok(),
blur_manager: globals.bind(&qh, 1..=1, ()).ok(),
text_input_manager: globals.bind(&qh, 1..=1, ()).ok(),
executor,
qh,
}
}
}
#[derive(Default, Debug, Clone, PartialEq, Eq, Hash)]
pub struct InProgressOutput {
name: Option<String>,
scale: Option<i32>,
position: Option<Point<DevicePixels>>,
size: Option<Size<DevicePixels>>,
}
impl InProgressOutput {
fn complete(&self) -> Option<Output> {
if let Some((position, size)) = self.position.zip(self.size) {
let scale = self.scale.unwrap_or(1);
Some(Output {
name: self.name.clone(),
scale,
bounds: Bounds::new(position, size),
})
} else {
None
}
}
}
#[derive(Debug, Clone, Eq, PartialEq, Hash)]
pub struct Output {
pub name: Option<String>,
pub scale: i32,
pub bounds: Bounds<DevicePixels>,
}
pub(crate) struct WaylandClientState {
serial_tracker: SerialTracker,
globals: Globals,
wl_seat: wl_seat::WlSeat, // TODO: Multi seat support
wl_pointer: Option<wl_pointer::WlPointer>,
wl_keyboard: Option<wl_keyboard::WlKeyboard>,
cursor_shape_device: Option<wp_cursor_shape_device_v1::WpCursorShapeDeviceV1>,
data_device: Option<wl_data_device::WlDataDevice>,
primary_selection: Option<zwp_primary_selection_device_v1::ZwpPrimarySelectionDeviceV1>,
text_input: Option<zwp_text_input_v3::ZwpTextInputV3>,
pre_edit_text: Option<String>,
composing: bool,
// Surface to Window mapping
windows: HashMap<ObjectId, WaylandWindowStatePtr>,
// Output to scale mapping
outputs: HashMap<ObjectId, Output>,
in_progress_outputs: HashMap<ObjectId, InProgressOutput>,
keymap_state: Option<xkb::State>,
compose_state: Option<xkb::compose::State>,
drag: DragState,
click: ClickState,
repeat: KeyRepeat,
pub modifiers: Modifiers,
axis_source: AxisSource,
pub mouse_location: Option<Point<Pixels>>,
continuous_scroll_delta: Option<Point<Pixels>>,
discrete_scroll_delta: Option<Point<f32>>,
vertical_modifier: f32,
horizontal_modifier: f32,
scroll_event_received: bool,
enter_token: Option<()>,
button_pressed: Option<MouseButton>,
mouse_focused_window: Option<WaylandWindowStatePtr>,
keyboard_focused_window: Option<WaylandWindowStatePtr>,
loop_handle: LoopHandle<'static, WaylandClientStatePtr>,
cursor_style: Option<CursorStyle>,
clipboard: Clipboard,
data_offers: Vec<DataOffer<WlDataOffer>>,
primary_data_offer: Option<DataOffer<ZwpPrimarySelectionOfferV1>>,
cursor: Cursor,
pending_activation: Option<PendingActivation>,
event_loop: Option<EventLoop<'static, WaylandClientStatePtr>>,
common: LinuxCommon,
}
pub struct DragState {
data_offer: Option<wl_data_offer::WlDataOffer>,
window: Option<WaylandWindowStatePtr>,
position: Point<Pixels>,
}
pub struct ClickState {
last_click: Instant,
last_location: Point<Pixels>,
current_count: usize,
}
pub(crate) struct KeyRepeat {
characters_per_second: u32,
delay: Duration,
current_id: u64,
current_keycode: Option<xkb::Keycode>,
}
pub(crate) enum PendingActivation {
/// URI to open in the web browser.
Uri(String),
/// Path to open in the file explorer.
Path(PathBuf),
/// A window from ourselves to raise.
Window(ObjectId),
}
/// This struct is required to conform to Rust's orphan rules, so we can dispatch on the state but hand the
/// window to GPUI.
#[derive(Clone)]
pub struct WaylandClientStatePtr(Weak<RefCell<WaylandClientState>>);
impl WaylandClientStatePtr {
pub fn get_client(&self) -> Rc<RefCell<WaylandClientState>> {
self.0
.upgrade()
.expect("The pointer should always be valid when dispatching in wayland")
}
pub fn get_serial(&self, kind: SerialKind) -> u32 {
self.0.upgrade().unwrap().borrow().serial_tracker.get(kind)
}
pub fn set_pending_activation(&self, window: ObjectId) {
self.0.upgrade().unwrap().borrow_mut().pending_activation =
Some(PendingActivation::Window(window));
}
pub fn enable_ime(&self) {
let client = self.get_client();
let mut state = client.borrow_mut();
let Some(mut text_input) = state.text_input.take() else {
return;
};
text_input.enable();
text_input.set_content_type(ContentHint::None, ContentPurpose::Normal);
if let Some(window) = state.keyboard_focused_window.clone() {
drop(state);
if let Some(area) = window.get_ime_area() {
text_input.set_cursor_rectangle(
area.origin.x.0 as i32,
area.origin.y.0 as i32,
area.size.width.0 as i32,
area.size.height.0 as i32,
);
}
state = client.borrow_mut();
}
text_input.commit();
state.text_input = Some(text_input);
}
pub fn disable_ime(&self) {
let client = self.get_client();
let mut state = client.borrow_mut();
state.composing = false;
if let Some(text_input) = &state.text_input {
text_input.disable();
text_input.commit();
}
}
pub fn drop_window(&self, surface_id: &ObjectId) {
let mut client = self.get_client();
let mut state = client.borrow_mut();
let closed_window = state.windows.remove(surface_id).unwrap();
if let Some(window) = state.mouse_focused_window.take() {
if !window.ptr_eq(&closed_window) {
state.mouse_focused_window = Some(window);
}
}
if let Some(window) = state.keyboard_focused_window.take() {
if !window.ptr_eq(&closed_window) {
state.keyboard_focused_window = Some(window);
}
}
if state.windows.is_empty() {
state.common.signal.stop();
}
}
}
#[derive(Clone)]
pub struct WaylandClient(Rc<RefCell<WaylandClientState>>);
impl Drop for WaylandClient {
fn drop(&mut self) {
let mut state = self.0.borrow_mut();
state.windows.clear();
if let Some(wl_pointer) = &state.wl_pointer {
wl_pointer.release();
}
if let Some(cursor_shape_device) = &state.cursor_shape_device {
cursor_shape_device.destroy();
}
if let Some(data_device) = &state.data_device {
data_device.release();
}
if let Some(text_input) = &state.text_input {
text_input.destroy();
}
}
}
const WL_DATA_DEVICE_MANAGER_VERSION: u32 = 3;
fn wl_seat_version(version: u32) -> u32 {
// We rely on the wl_pointer.frame event
const WL_SEAT_MIN_VERSION: u32 = 5;
const WL_SEAT_MAX_VERSION: u32 = 9;
if version < WL_SEAT_MIN_VERSION {
panic!(
"wl_seat below required version: {} < {}",
version, WL_SEAT_MIN_VERSION
);
}
version.clamp(WL_SEAT_MIN_VERSION, WL_SEAT_MAX_VERSION)
}
fn wl_output_version(version: u32) -> u32 {
const WL_OUTPUT_MIN_VERSION: u32 = 2;
const WL_OUTPUT_MAX_VERSION: u32 = 4;
if version < WL_OUTPUT_MIN_VERSION {
panic!(
"wl_output below required version: {} < {}",
version, WL_OUTPUT_MIN_VERSION
);
}
version.clamp(WL_OUTPUT_MIN_VERSION, WL_OUTPUT_MAX_VERSION)
}
impl WaylandClient {
pub(crate) fn new() -> Self {
let conn = Connection::connect_to_env().unwrap();
let (globals, mut event_queue) =
registry_queue_init::<WaylandClientStatePtr>(&conn).unwrap();
let qh = event_queue.handle();
let mut seat: Option<wl_seat::WlSeat> = None;
let mut in_progress_outputs = HashMap::default();
globals.contents().with_list(|list| {
for global in list {
match &global.interface[..] {
"wl_seat" => {
seat = Some(globals.registry().bind::<wl_seat::WlSeat, _, _>(
global.name,
wl_seat_version(global.version),
&qh,
(),
));
}
"wl_output" => {
let output = globals.registry().bind::<wl_output::WlOutput, _, _>(
global.name,
wl_output_version(global.version),
&qh,
(),
);
in_progress_outputs.insert(output.id(), InProgressOutput::default());
}
_ => {}
}
}
});
let event_loop = EventLoop::<WaylandClientStatePtr>::try_new().unwrap();
let (common, main_receiver) = LinuxCommon::new(event_loop.get_signal());
let handle = event_loop.handle();
handle
.insert_source(main_receiver, {
let handle = handle.clone();
move |event, _, _: &mut WaylandClientStatePtr| {
if let calloop::channel::Event::Msg(runnable) = event {
handle.insert_idle(|_| {
runnable.run();
});
}
}
})
.unwrap();
let seat = seat.unwrap();
let globals = Globals::new(
globals,
common.foreground_executor.clone(),
qh.clone(),
seat.clone(),
);
let data_device = globals
.data_device_manager
.as_ref()
.map(|data_device_manager| data_device_manager.get_data_device(&seat, &qh, ()));
let primary_selection = globals
.primary_selection_manager
.as_ref()
.map(|primary_selection_manager| primary_selection_manager.get_device(&seat, &qh, ()));
let mut cursor = Cursor::new(&conn, &globals, 24);
handle
.insert_source(XDPEventSource::new(&common.background_executor), {
move |event, _, client| match event {
XDPEvent::WindowAppearance(appearance) => {
if let Some(client) = client.0.upgrade() {
let mut client = client.borrow_mut();
client.common.appearance = appearance;
for (_, window) in &mut client.windows {
window.set_appearance(appearance);
}
}
}
XDPEvent::CursorTheme(theme) => {
if let Some(client) = client.0.upgrade() {
let mut client = client.borrow_mut();
client.cursor.set_theme(theme.as_str(), None);
}
}
XDPEvent::CursorSize(size) => {
if let Some(client) = client.0.upgrade() {
let mut client = client.borrow_mut();
client.cursor.set_size(size);
}
}
}
})
.unwrap();
let mut state = Rc::new(RefCell::new(WaylandClientState {
serial_tracker: SerialTracker::new(),
globals,
wl_seat: seat,
wl_pointer: None,
wl_keyboard: None,
cursor_shape_device: None,
data_device,
primary_selection,
text_input: None,
pre_edit_text: None,
composing: false,
outputs: HashMap::default(),
in_progress_outputs,
windows: HashMap::default(),
common,
keymap_state: None,
compose_state: None,
drag: DragState {
data_offer: None,
window: None,
position: Point::default(),
},
click: ClickState {
last_click: Instant::now(),
last_location: Point::default(),
current_count: 0,
},
repeat: KeyRepeat {
characters_per_second: 16,
delay: Duration::from_millis(500),
current_id: 0,
current_keycode: None,
},
modifiers: Modifiers {
shift: false,
control: false,
alt: false,
function: false,
platform: false,
},
scroll_event_received: false,
axis_source: AxisSource::Wheel,
mouse_location: None,
continuous_scroll_delta: None,
discrete_scroll_delta: None,
vertical_modifier: -1.0,
horizontal_modifier: -1.0,
button_pressed: None,
mouse_focused_window: None,
keyboard_focused_window: None,
loop_handle: handle.clone(),
enter_token: None,
cursor_style: None,
clipboard: Clipboard::new(conn.clone(), handle.clone()),
data_offers: Vec::new(),
primary_data_offer: None,
cursor,
pending_activation: None,
event_loop: Some(event_loop),
}));
WaylandSource::new(conn, event_queue)
.insert(handle)
.unwrap();
Self(state)
}
}
impl LinuxClient for WaylandClient {
fn displays(&self) -> Vec<Rc<dyn PlatformDisplay>> {
self.0
.borrow()
.outputs
.iter()
.map(|(id, output)| {
Rc::new(WaylandDisplay {
id: id.clone(),
name: output.name.clone(),
bounds: output.bounds.to_pixels(output.scale as f32),
}) as Rc<dyn PlatformDisplay>
})
.collect()
}
fn display(&self, id: DisplayId) -> Option<Rc<dyn PlatformDisplay>> {
self.0
.borrow()
.outputs
.iter()
.find_map(|(object_id, output)| {
(object_id.protocol_id() == id.0).then(|| {
Rc::new(WaylandDisplay {
id: object_id.clone(),
name: output.name.clone(),
bounds: output.bounds.to_pixels(output.scale as f32),
}) as Rc<dyn PlatformDisplay>
})
})
}
fn primary_display(&self) -> Option<Rc<dyn PlatformDisplay>> {
None
}
fn open_window(
&self,
handle: AnyWindowHandle,
params: WindowParams,
) -> anyhow::Result<Box<dyn PlatformWindow>> {
let mut state = self.0.borrow_mut();
let (window, surface_id) = WaylandWindow::new(
handle,
state.globals.clone(),
WaylandClientStatePtr(Rc::downgrade(&self.0)),
params,
state.common.appearance,
)?;
state.windows.insert(surface_id, window.0.clone());
Ok(Box::new(window))
}
fn set_cursor_style(&self, style: CursorStyle) {
let mut state = self.0.borrow_mut();
let need_update = state
.cursor_style
.map_or(true, |current_style| current_style != style);
if need_update {
let serial = state.serial_tracker.get(SerialKind::MouseEnter);
state.cursor_style = Some(style);
if let Some(cursor_shape_device) = &state.cursor_shape_device {
cursor_shape_device.set_shape(serial, style.to_shape());
} else if state.mouse_focused_window.is_some() {
// cursor-shape-v1 isn't supported, set the cursor using a surface.
let wl_pointer = state
.wl_pointer
.clone()
.expect("window is focused by pointer");
state
.cursor
.set_icon(&wl_pointer, serial, &style.to_icon_name());
}
}
}
fn open_uri(&self, uri: &str) {
let mut state = self.0.borrow_mut();
if let (Some(activation), Some(window)) = (
state.globals.activation.clone(),
state.mouse_focused_window.clone(),
) {
state.pending_activation = Some(PendingActivation::Uri(uri.to_string()));
let token = activation.get_activation_token(&state.globals.qh, ());
let serial = state.serial_tracker.get(SerialKind::MousePress);
token.set_serial(serial, &state.wl_seat);
token.set_surface(&window.surface());
token.commit();
} else {
let executor = state.common.background_executor.clone();
open_uri_internal(executor, uri, None);
}
}
fn reveal_path(&self, path: PathBuf) {
let mut state = self.0.borrow_mut();
if let (Some(activation), Some(window)) = (
state.globals.activation.clone(),
state.mouse_focused_window.clone(),
) {
state.pending_activation = Some(PendingActivation::Path(path));
let token = activation.get_activation_token(&state.globals.qh, ());
let serial = state.serial_tracker.get(SerialKind::MousePress);
token.set_serial(serial, &state.wl_seat);
token.set_surface(&window.surface());
token.commit();
} else {
let executor = state.common.background_executor.clone();
reveal_path_internal(executor, path, None);
}
}
fn with_common<R>(&self, f: impl FnOnce(&mut LinuxCommon) -> R) -> R {
f(&mut self.0.borrow_mut().common)
}
fn run(&self) {
let mut event_loop = self
.0
.borrow_mut()
.event_loop
.take()
.expect("App is already running");
event_loop
.run(
None,
&mut WaylandClientStatePtr(Rc::downgrade(&self.0)),
|_| {},
)
.log_err();
}
fn write_to_primary(&self, item: crate::ClipboardItem) {
let mut state = self.0.borrow_mut();
let (Some(primary_selection_manager), Some(primary_selection)) = (
state.globals.primary_selection_manager.clone(),
state.primary_selection.clone(),
) else {
return;
};
if state.mouse_focused_window.is_some() || state.keyboard_focused_window.is_some() {
state.clipboard.set_primary(item);
let serial = state.serial_tracker.get(SerialKind::KeyPress);
let data_source = primary_selection_manager.create_source(&state.globals.qh, ());
data_source.offer(state.clipboard.self_mime());
data_source.offer(TEXT_MIME_TYPE.to_string());
primary_selection.set_selection(Some(&data_source), serial);
}
}
fn write_to_clipboard(&self, item: crate::ClipboardItem) {
let mut state = self.0.borrow_mut();
let (Some(data_device_manager), Some(data_device)) = (
state.globals.data_device_manager.clone(),
state.data_device.clone(),
) else {
return;
};
if state.mouse_focused_window.is_some() || state.keyboard_focused_window.is_some() {
state.clipboard.set(item);
let serial = state.serial_tracker.get(SerialKind::KeyPress);
let data_source = data_device_manager.create_data_source(&state.globals.qh, ());
data_source.offer(state.clipboard.self_mime());
data_source.offer(TEXT_MIME_TYPE.to_string());
data_device.set_selection(Some(&data_source), serial);
}
}
fn read_from_primary(&self) -> Option<crate::ClipboardItem> {
self.0.borrow_mut().clipboard.read_primary()
}
fn read_from_clipboard(&self) -> Option<crate::ClipboardItem> {
self.0.borrow_mut().clipboard.read()
}
fn active_window(&self) -> Option<AnyWindowHandle> {
self.0
.borrow_mut()
.keyboard_focused_window
.as_ref()
.map(|window| window.handle())
}
fn compositor_name(&self) -> &'static str {
"Wayland"
}
}
impl Dispatch<wl_registry::WlRegistry, GlobalListContents> for WaylandClientStatePtr {
fn event(
this: &mut Self,
registry: &wl_registry::WlRegistry,
event: wl_registry::Event,
_: &GlobalListContents,
_: &Connection,
qh: &QueueHandle<Self>,
) {
let mut client = this.get_client();
let mut state = client.borrow_mut();
match event {
wl_registry::Event::Global {
name,
interface,
version,
} => match &interface[..] {
"wl_seat" => {
if let Some(wl_pointer) = state.wl_pointer.take() {
wl_pointer.release();
}
if let Some(wl_keyboard) = state.wl_keyboard.take() {
wl_keyboard.release();
}
state.wl_seat.release();
state.wl_seat = registry.bind::<wl_seat::WlSeat, _, _>(
name,
wl_seat_version(version),
qh,
(),
);
}
"wl_output" => {
let output = registry.bind::<wl_output::WlOutput, _, _>(
name,
wl_output_version(version),
qh,
(),
);
state
.in_progress_outputs
.insert(output.id(), InProgressOutput::default());
}
_ => {}
},
wl_registry::Event::GlobalRemove { name: _ } => {
// TODO: handle global removal
}
_ => {}
}
}
}
delegate_noop!(WaylandClientStatePtr: ignore xdg_activation_v1::XdgActivationV1);
delegate_noop!(WaylandClientStatePtr: ignore wl_compositor::WlCompositor);
delegate_noop!(WaylandClientStatePtr: ignore wp_cursor_shape_device_v1::WpCursorShapeDeviceV1);
delegate_noop!(WaylandClientStatePtr: ignore wp_cursor_shape_manager_v1::WpCursorShapeManagerV1);
delegate_noop!(WaylandClientStatePtr: ignore wl_data_device_manager::WlDataDeviceManager);
delegate_noop!(WaylandClientStatePtr: ignore zwp_primary_selection_device_manager_v1::ZwpPrimarySelectionDeviceManagerV1);
delegate_noop!(WaylandClientStatePtr: ignore wl_shm::WlShm);
delegate_noop!(WaylandClientStatePtr: ignore wl_shm_pool::WlShmPool);
delegate_noop!(WaylandClientStatePtr: ignore wl_buffer::WlBuffer);
delegate_noop!(WaylandClientStatePtr: ignore wl_region::WlRegion);
delegate_noop!(WaylandClientStatePtr: ignore wp_fractional_scale_manager_v1::WpFractionalScaleManagerV1);
delegate_noop!(WaylandClientStatePtr: ignore zxdg_decoration_manager_v1::ZxdgDecorationManagerV1);
delegate_noop!(WaylandClientStatePtr: ignore org_kde_kwin_blur_manager::OrgKdeKwinBlurManager);
delegate_noop!(WaylandClientStatePtr: ignore zwp_text_input_manager_v3::ZwpTextInputManagerV3);
delegate_noop!(WaylandClientStatePtr: ignore org_kde_kwin_blur::OrgKdeKwinBlur);
delegate_noop!(WaylandClientStatePtr: ignore wp_viewporter::WpViewporter);
delegate_noop!(WaylandClientStatePtr: ignore wp_viewport::WpViewport);
impl Dispatch<WlCallback, ObjectId> for WaylandClientStatePtr {
fn event(
state: &mut WaylandClientStatePtr,
_: &wl_callback::WlCallback,
event: wl_callback::Event,
surface_id: &ObjectId,
_: &Connection,
_: &QueueHandle<Self>,
) {
let client = state.get_client();
let mut state = client.borrow_mut();
let Some(window) = get_window(&mut state, surface_id) else {
return;
};
drop(state);
match event {
wl_callback::Event::Done { .. } => {
window.frame();
}
_ => {}
}
}
}
fn get_window(
mut state: &mut RefMut<WaylandClientState>,
surface_id: &ObjectId,
) -> Option<WaylandWindowStatePtr> {
state.windows.get(surface_id).cloned()
}
impl Dispatch<wl_surface::WlSurface, ()> for WaylandClientStatePtr {
fn event(
this: &mut Self,
surface: &wl_surface::WlSurface,
event: <wl_surface::WlSurface as Proxy>::Event,
_: &(),
_: &Connection,
_: &QueueHandle<Self>,
) {
let mut client = this.get_client();
let mut state = client.borrow_mut();
let Some(window) = get_window(&mut state, &surface.id()) else {
return;
};
let outputs = state.outputs.clone();
drop(state);
window.handle_surface_event(event, outputs);
}
}
impl Dispatch<wl_output::WlOutput, ()> for WaylandClientStatePtr {
fn event(
this: &mut Self,
output: &wl_output::WlOutput,
event: <wl_output::WlOutput as Proxy>::Event,
_: &(),
_: &Connection,
_: &QueueHandle<Self>,
) {
let mut client = this.get_client();
let mut state = client.borrow_mut();
let Some(mut in_progress_output) = state.in_progress_outputs.get_mut(&output.id()) else {
return;
};
match event {
wl_output::Event::Name { name } => {
in_progress_output.name = Some(name);
}
wl_output::Event::Scale { factor } => {
in_progress_output.scale = Some(factor);
}
wl_output::Event::Geometry { x, y, .. } => {
in_progress_output.position = Some(point(DevicePixels(x), DevicePixels(y)))
}
wl_output::Event::Mode { width, height, .. } => {
in_progress_output.size = Some(size(DevicePixels(width), DevicePixels(height)))
}
wl_output::Event::Done => {
if let Some(complete) = in_progress_output.complete() {
state.outputs.insert(output.id(), complete);
}
state.in_progress_outputs.remove(&output.id());
}
_ => {}
}
}
}
impl Dispatch<xdg_surface::XdgSurface, ObjectId> for WaylandClientStatePtr {
fn event(
state: &mut Self,
_: &xdg_surface::XdgSurface,
event: xdg_surface::Event,
surface_id: &ObjectId,
_: &Connection,
_: &QueueHandle<Self>,
) {
let client = state.get_client();
let mut state = client.borrow_mut();
let Some(window) = get_window(&mut state, surface_id) else {
return;
};
drop(state);
window.handle_xdg_surface_event(event);
}
}
impl Dispatch<xdg_toplevel::XdgToplevel, ObjectId> for WaylandClientStatePtr {
fn event(
this: &mut Self,
_: &xdg_toplevel::XdgToplevel,
event: <xdg_toplevel::XdgToplevel as Proxy>::Event,
surface_id: &ObjectId,
_: &Connection,
_: &QueueHandle<Self>,
) {
let client = this.get_client();
let mut state = client.borrow_mut();
let Some(window) = get_window(&mut state, surface_id) else {
return;
};
drop(state);
let should_close = window.handle_toplevel_event(event);
if should_close {
this.drop_window(surface_id);
}
}
}
impl Dispatch<xdg_wm_base::XdgWmBase, ()> for WaylandClientStatePtr {
fn event(
_: &mut Self,
wm_base: &xdg_wm_base::XdgWmBase,
event: <xdg_wm_base::XdgWmBase as Proxy>::Event,
_: &(),
_: &Connection,
_: &QueueHandle<Self>,
) {
if let xdg_wm_base::Event::Ping { serial } = event {
wm_base.pong(serial);
}
}
}
impl Dispatch<xdg_activation_token_v1::XdgActivationTokenV1, ()> for WaylandClientStatePtr {
fn event(
this: &mut Self,
token: &xdg_activation_token_v1::XdgActivationTokenV1,
event: <xdg_activation_token_v1::XdgActivationTokenV1 as Proxy>::Event,
_: &(),
_: &Connection,
_: &QueueHandle<Self>,
) {
let client = this.get_client();
let mut state = client.borrow_mut();
if let xdg_activation_token_v1::Event::Done { token } = event {
let executor = state.common.background_executor.clone();
match state.pending_activation.take() {
Some(PendingActivation::Uri(uri)) => open_uri_internal(executor, &uri, Some(token)),
Some(PendingActivation::Path(path)) => {
reveal_path_internal(executor, path, Some(token))
}
Some(PendingActivation::Window(window)) => {
let Some(window) = get_window(&mut state, &window) else {
return;
};
let activation = state.globals.activation.as_ref().unwrap();
activation.activate(token, &window.surface());
}
None => log::error!("activation token received with no pending activation"),
}
}
token.destroy();
}
}
impl Dispatch<wl_seat::WlSeat, ()> for WaylandClientStatePtr {
fn event(
state: &mut Self,
seat: &wl_seat::WlSeat,
event: wl_seat::Event,
_: &(),
_: &Connection,
qh: &QueueHandle<Self>,
) {
if let wl_seat::Event::Capabilities {
capabilities: WEnum::Value(capabilities),
} = event
{
let client = state.get_client();
let mut state = client.borrow_mut();
if capabilities.contains(wl_seat::Capability::Keyboard) {
let keyboard = seat.get_keyboard(qh, ());
state.text_input = state
.globals
.text_input_manager
.as_ref()
.map(|text_input_manager| text_input_manager.get_text_input(&seat, qh, ()));
if let Some(wl_keyboard) = &state.wl_keyboard {
wl_keyboard.release();
}
state.wl_keyboard = Some(keyboard);
}
if capabilities.contains(wl_seat::Capability::Pointer) {
let pointer = seat.get_pointer(qh, ());
state.cursor_shape_device = state
.globals
.cursor_shape_manager
.as_ref()
.map(|cursor_shape_manager| cursor_shape_manager.get_pointer(&pointer, qh, ()));
if let Some(wl_pointer) = &state.wl_pointer {
wl_pointer.release();
}
state.wl_pointer = Some(pointer);
}
}
}
}
impl Dispatch<wl_keyboard::WlKeyboard, ()> for WaylandClientStatePtr {
fn event(
this: &mut Self,
_: &wl_keyboard::WlKeyboard,
event: wl_keyboard::Event,
_: &(),
_: &Connection,
_: &QueueHandle<Self>,
) {
let mut client = this.get_client();
let mut state = client.borrow_mut();
match event {
wl_keyboard::Event::RepeatInfo { rate, delay } => {
state.repeat.characters_per_second = rate as u32;
state.repeat.delay = Duration::from_millis(delay as u64);
}
wl_keyboard::Event::Keymap {
format: WEnum::Value(format),
fd,
size,
..
} => {
assert_eq!(
format,
wl_keyboard::KeymapFormat::XkbV1,
"Unsupported keymap format"
);
let xkb_context = xkb::Context::new(xkb::CONTEXT_NO_FLAGS);
let keymap = unsafe {
xkb::Keymap::new_from_fd(
&xkb_context,
fd,
size as usize,
XKB_KEYMAP_FORMAT_TEXT_V1,
KEYMAP_COMPILE_NO_FLAGS,
)
.log_err()
.flatten()
.expect("Failed to create keymap")
};
state.keymap_state = Some(xkb::State::new(&keymap));
state.compose_state = get_xkb_compose_state(&xkb_context);
}
wl_keyboard::Event::Enter {
serial, surface, ..
} => {
state.serial_tracker.update(SerialKind::KeyEnter, serial);
state.keyboard_focused_window = get_window(&mut state, &surface.id());
state.enter_token = Some(());
if let Some(window) = state.keyboard_focused_window.clone() {
drop(state);
window.set_focused(true);
}
}
wl_keyboard::Event::Leave { surface, .. } => {
let keyboard_focused_window = get_window(&mut state, &surface.id());
state.keyboard_focused_window = None;
state.enter_token.take();
// Prevent keyboard events from repeating after opening e.g. a file chooser and closing it quickly
state.repeat.current_id += 1;
state.clipboard.set_offer(None);
state.clipboard.set_primary_offer(None);
if let Some(window) = keyboard_focused_window {
if let Some(ref mut compose) = state.compose_state {
compose.reset();
}
state.pre_edit_text.take();
drop(state);
window.handle_ime(ImeInput::DeleteText);
window.set_focused(false);
}
}
wl_keyboard::Event::Modifiers {
mods_depressed,
mods_latched,
mods_locked,
group,
..
} => {
let focused_window = state.keyboard_focused_window.clone();
let keymap_state = state.keymap_state.as_mut().unwrap();
keymap_state.update_mask(mods_depressed, mods_latched, mods_locked, 0, 0, group);
state.modifiers = Modifiers::from_xkb(keymap_state);
let Some(focused_window) = focused_window else {
return;
};
let input = PlatformInput::ModifiersChanged(ModifiersChangedEvent {
modifiers: state.modifiers,
});
drop(state);
focused_window.handle_input(input);
}
wl_keyboard::Event::Key {
serial,
key,
state: WEnum::Value(key_state),
..
} => {
state.serial_tracker.update(SerialKind::KeyPress, serial);
let focused_window = state.keyboard_focused_window.clone();
let Some(focused_window) = focused_window else {
return;
};
let focused_window = focused_window.clone();
let keymap_state = state.keymap_state.as_ref().unwrap();
let keycode = Keycode::from(key + MIN_KEYCODE);
let keysym = keymap_state.key_get_one_sym(keycode);
match key_state {
wl_keyboard::KeyState::Pressed if !keysym.is_modifier_key() => {
let mut keystroke =
Keystroke::from_xkb(&keymap_state, state.modifiers, keycode);
if let Some(mut compose) = state.compose_state.take() {
compose.feed(keysym);
match compose.status() {
xkb::Status::Composing => {
keystroke.ime_key = None;
state.pre_edit_text =
compose.utf8().or(Keystroke::underlying_dead_key(keysym));
let pre_edit =
state.pre_edit_text.clone().unwrap_or(String::default());
drop(state);
focused_window.handle_ime(ImeInput::SetMarkedText(pre_edit));
state = client.borrow_mut();
}
xkb::Status::Composed => {
state.pre_edit_text.take();
keystroke.ime_key = compose.utf8();
if let Some(keysym) = compose.keysym() {
keystroke.key = xkb::keysym_get_name(keysym);
}
}
xkb::Status::Cancelled => {
let pre_edit = state.pre_edit_text.take();
drop(state);
if let Some(pre_edit) = pre_edit {
focused_window.handle_ime(ImeInput::InsertText(pre_edit));
}
if let Some(current_key) =
Keystroke::underlying_dead_key(keysym)
{
focused_window
.handle_ime(ImeInput::SetMarkedText(current_key));
}
compose.feed(keysym);
state = client.borrow_mut();
}
_ => {}
}
state.compose_state = Some(compose);
}
let input = PlatformInput::KeyDown(KeyDownEvent {
keystroke: keystroke.clone(),
is_held: false,
});
state.repeat.current_id += 1;
state.repeat.current_keycode = Some(keycode);
let rate = state.repeat.characters_per_second;
let id = state.repeat.current_id;
state
.loop_handle
.insert_source(Timer::from_duration(state.repeat.delay), {
let input = PlatformInput::KeyDown(KeyDownEvent {
keystroke,
is_held: true,
});
move |_event, _metadata, this| {
let mut client = this.get_client();
let mut state = client.borrow_mut();
let is_repeating = id == state.repeat.current_id
&& state.repeat.current_keycode.is_some()
&& state.keyboard_focused_window.is_some();
if !is_repeating || rate == 0 {
return TimeoutAction::Drop;
}
let focused_window =
state.keyboard_focused_window.as_ref().unwrap().clone();
drop(state);
focused_window.handle_input(input.clone());
TimeoutAction::ToDuration(Duration::from_secs(1) / rate)
}
})
.unwrap();
drop(state);
focused_window.handle_input(input);
}
wl_keyboard::KeyState::Released if !keysym.is_modifier_key() => {
let input = PlatformInput::KeyUp(KeyUpEvent {
keystroke: Keystroke::from_xkb(keymap_state, state.modifiers, keycode),
});
if state.repeat.current_keycode == Some(keycode) {
state.repeat.current_keycode = None;
}
drop(state);
focused_window.handle_input(input);
}
_ => {}
}
}
_ => {}
}
}
}
impl Dispatch<zwp_text_input_v3::ZwpTextInputV3, ()> for WaylandClientStatePtr {
fn event(
this: &mut Self,
text_input: &zwp_text_input_v3::ZwpTextInputV3,
event: <zwp_text_input_v3::ZwpTextInputV3 as Proxy>::Event,
_: &(),
_: &Connection,
_: &QueueHandle<Self>,
) {
let client = this.get_client();
let mut state = client.borrow_mut();
match event {
zwp_text_input_v3::Event::Enter { .. } => {
drop(state);
this.enable_ime();
}
zwp_text_input_v3::Event::Leave { .. } => {
drop(state);
this.disable_ime();
}
zwp_text_input_v3::Event::CommitString { text } => {
state.composing = false;
let Some(window) = state.keyboard_focused_window.clone() else {
return;
};
if let Some(commit_text) = text {
drop(state);
// IBus Intercepts keys like `a`, `b`, but those keys are needed for vim mode.
// We should only send ASCII characters to Zed, otherwise a user could remap a letter like `か` or `相`.
if commit_text.len() == 1 {
window.handle_input(PlatformInput::KeyDown(KeyDownEvent {
keystroke: Keystroke {
modifiers: Modifiers::default(),
key: commit_text.clone(),
ime_key: Some(commit_text),
},
is_held: false,
}));
} else {
window.handle_ime(ImeInput::InsertText(commit_text));
}
}
}
zwp_text_input_v3::Event::PreeditString { text, .. } => {
state.composing = true;
state.pre_edit_text = text;
}
zwp_text_input_v3::Event::Done { serial } => {
let last_serial = state.serial_tracker.get(SerialKind::InputMethod);
state.serial_tracker.update(SerialKind::InputMethod, serial);
let Some(window) = state.keyboard_focused_window.clone() else {
return;
};
if let Some(text) = state.pre_edit_text.take() {
drop(state);
window.handle_ime(ImeInput::SetMarkedText(text));
if let Some(area) = window.get_ime_area() {
text_input.set_cursor_rectangle(
area.origin.x.0 as i32,
area.origin.y.0 as i32,
area.size.width.0 as i32,
area.size.height.0 as i32,
);
if last_serial == serial {
text_input.commit();
}
}
} else {
drop(state);
window.handle_ime(ImeInput::DeleteText);
}
}
_ => {}
}
}
}
fn linux_button_to_gpui(button: u32) -> Option<MouseButton> {
// These values are coming from <linux/input-event-codes.h>.
const BTN_LEFT: u32 = 0x110;
const BTN_RIGHT: u32 = 0x111;
const BTN_MIDDLE: u32 = 0x112;
const BTN_SIDE: u32 = 0x113;
const BTN_EXTRA: u32 = 0x114;
const BTN_FORWARD: u32 = 0x115;
const BTN_BACK: u32 = 0x116;
Some(match button {
BTN_LEFT => MouseButton::Left,
BTN_RIGHT => MouseButton::Right,
BTN_MIDDLE => MouseButton::Middle,
BTN_BACK | BTN_SIDE => MouseButton::Navigate(NavigationDirection::Back),
BTN_FORWARD | BTN_EXTRA => MouseButton::Navigate(NavigationDirection::Forward),
_ => return None,
})
}
impl Dispatch<wl_pointer::WlPointer, ()> for WaylandClientStatePtr {
fn event(
this: &mut Self,
wl_pointer: &wl_pointer::WlPointer,
event: wl_pointer::Event,
_: &(),
_: &Connection,
_: &QueueHandle<Self>,
) {
let mut client = this.get_client();
let mut state = client.borrow_mut();
match event {
wl_pointer::Event::Enter {
serial,
surface,
surface_x,
surface_y,
..
} => {
state.serial_tracker.update(SerialKind::MouseEnter, serial);
state.mouse_location = Some(point(px(surface_x as f32), px(surface_y as f32)));
state.button_pressed = None;
if let Some(window) = get_window(&mut state, &surface.id()) {
state.mouse_focused_window = Some(window.clone());
if state.enter_token.is_some() {
state.enter_token = None;
}
if let Some(style) = state.cursor_style {
if let Some(cursor_shape_device) = &state.cursor_shape_device {
cursor_shape_device.set_shape(serial, style.to_shape());
} else {
state
.cursor
.set_icon(&wl_pointer, serial, &style.to_icon_name());
}
}
drop(state);
window.set_hovered(true);
}
}
wl_pointer::Event::Leave { .. } => {
if let Some(focused_window) = state.mouse_focused_window.clone() {
let input = PlatformInput::MouseExited(MouseExitEvent {
position: state.mouse_location.unwrap(),
pressed_button: state.button_pressed,
modifiers: state.modifiers,
});
state.mouse_focused_window = None;
state.mouse_location = None;
state.button_pressed = None;
drop(state);
focused_window.handle_input(input);
focused_window.set_hovered(false);
}
}
wl_pointer::Event::Motion {
surface_x,
surface_y,
..
} => {
if state.mouse_focused_window.is_none() {
return;
}
state.mouse_location = Some(point(px(surface_x as f32), px(surface_y as f32)));
if let Some(window) = state.mouse_focused_window.clone() {
if state
.keyboard_focused_window
.as_ref()
.map_or(false, |keyboard_window| window.ptr_eq(&keyboard_window))
{
state.enter_token = None;
}
let input = PlatformInput::MouseMove(MouseMoveEvent {
position: state.mouse_location.unwrap(),
pressed_button: state.button_pressed,
modifiers: state.modifiers,
});
drop(state);
window.handle_input(input);
}
}
wl_pointer::Event::Button {
serial,
button,
state: WEnum::Value(button_state),
..
} => {
state.serial_tracker.update(SerialKind::MousePress, serial);
let button = linux_button_to_gpui(button);
let Some(button) = button else { return };
if state.mouse_focused_window.is_none() {
return;
}
match button_state {
wl_pointer::ButtonState::Pressed => {
if let Some(window) = state.keyboard_focused_window.clone() {
if state.composing && state.text_input.is_some() {
drop(state);
// text_input_v3 don't have something like a reset function
this.disable_ime();
this.enable_ime();
window.handle_ime(ImeInput::UnmarkText);
state = client.borrow_mut();
} else if let (Some(text), Some(compose)) =
(state.pre_edit_text.take(), state.compose_state.as_mut())
{
compose.reset();
drop(state);
window.handle_ime(ImeInput::InsertText(text));
state = client.borrow_mut();
}
}
let click_elapsed = state.click.last_click.elapsed();
if click_elapsed < DOUBLE_CLICK_INTERVAL
&& is_within_click_distance(
state.click.last_location,
state.mouse_location.unwrap(),
)
{
state.click.current_count += 1;
} else {
state.click.current_count = 1;
}
state.click.last_click = Instant::now();
state.click.last_location = state.mouse_location.unwrap();
state.button_pressed = Some(button);
if let Some(window) = state.mouse_focused_window.clone() {
let input = PlatformInput::MouseDown(MouseDownEvent {
button,
position: state.mouse_location.unwrap(),
modifiers: state.modifiers,
click_count: state.click.current_count,
first_mouse: state.enter_token.take().is_some(),
});
drop(state);
window.handle_input(input);
}
}
wl_pointer::ButtonState::Released => {
state.button_pressed = None;
if let Some(window) = state.mouse_focused_window.clone() {
let input = PlatformInput::MouseUp(MouseUpEvent {
button,
position: state.mouse_location.unwrap(),
modifiers: state.modifiers,
click_count: state.click.current_count,
});
drop(state);
window.handle_input(input);
}
}
_ => {}
}
}
// Axis Events
wl_pointer::Event::AxisSource {
axis_source: WEnum::Value(axis_source),
} => {
state.axis_source = axis_source;
}
wl_pointer::Event::Axis {
axis: WEnum::Value(axis),
value,
..
} => {
if state.axis_source == AxisSource::Wheel {
return;
}
let axis = if state.modifiers.shift {
wl_pointer::Axis::HorizontalScroll
} else {
axis
};
let axis_modifier = match axis {
wl_pointer::Axis::VerticalScroll => state.vertical_modifier,
wl_pointer::Axis::HorizontalScroll => state.horizontal_modifier,
_ => 1.0,
};
state.scroll_event_received = true;
let scroll_delta = state
.continuous_scroll_delta
.get_or_insert(point(px(0.0), px(0.0)));
let modifier = 3.0;
match axis {
wl_pointer::Axis::VerticalScroll => {
scroll_delta.y += px(value as f32 * modifier * axis_modifier);
}
wl_pointer::Axis::HorizontalScroll => {
scroll_delta.x += px(value as f32 * modifier * axis_modifier);
}
_ => unreachable!(),
}
}
wl_pointer::Event::AxisDiscrete {
axis: WEnum::Value(axis),
discrete,
} => {
state.scroll_event_received = true;
let axis = if state.modifiers.shift {
wl_pointer::Axis::HorizontalScroll
} else {
axis
};
let axis_modifier = match axis {
wl_pointer::Axis::VerticalScroll => state.vertical_modifier,
wl_pointer::Axis::HorizontalScroll => state.horizontal_modifier,
_ => 1.0,
};
let scroll_delta = state.discrete_scroll_delta.get_or_insert(point(0.0, 0.0));
match axis {
wl_pointer::Axis::VerticalScroll => {
scroll_delta.y += discrete as f32 * axis_modifier * SCROLL_LINES as f32;
}
wl_pointer::Axis::HorizontalScroll => {
scroll_delta.x += discrete as f32 * axis_modifier * SCROLL_LINES as f32;
}
_ => unreachable!(),
}
}
wl_pointer::Event::AxisValue120 {
axis: WEnum::Value(axis),
value120,
} => {
state.scroll_event_received = true;
let axis = if state.modifiers.shift {
wl_pointer::Axis::HorizontalScroll
} else {
axis
};
let axis_modifier = match axis {
wl_pointer::Axis::VerticalScroll => state.vertical_modifier,
wl_pointer::Axis::HorizontalScroll => state.horizontal_modifier,
_ => unreachable!(),
};
let scroll_delta = state.discrete_scroll_delta.get_or_insert(point(0.0, 0.0));
let wheel_percent = value120 as f32 / 120.0;
match axis {
wl_pointer::Axis::VerticalScroll => {
scroll_delta.y += wheel_percent * axis_modifier * SCROLL_LINES as f32;
}
wl_pointer::Axis::HorizontalScroll => {
scroll_delta.x += wheel_percent * axis_modifier * SCROLL_LINES as f32;
}
_ => unreachable!(),
}
}
wl_pointer::Event::Frame => {
if state.scroll_event_received {
state.scroll_event_received = false;
let continuous = state.continuous_scroll_delta.take();
let discrete = state.discrete_scroll_delta.take();
if let Some(continuous) = continuous {
if let Some(window) = state.mouse_focused_window.clone() {
let input = PlatformInput::ScrollWheel(ScrollWheelEvent {
position: state.mouse_location.unwrap(),
delta: ScrollDelta::Pixels(continuous),
modifiers: state.modifiers,
touch_phase: TouchPhase::Moved,
});
drop(state);
window.handle_input(input);
}
} else if let Some(discrete) = discrete {
if let Some(window) = state.mouse_focused_window.clone() {
let input = PlatformInput::ScrollWheel(ScrollWheelEvent {
position: state.mouse_location.unwrap(),
delta: ScrollDelta::Lines(discrete),
modifiers: state.modifiers,
touch_phase: TouchPhase::Moved,
});
drop(state);
window.handle_input(input);
}
}
}
}
_ => {}
}
}
}
impl Dispatch<wp_fractional_scale_v1::WpFractionalScaleV1, ObjectId> for WaylandClientStatePtr {
fn event(
this: &mut Self,
_: &wp_fractional_scale_v1::WpFractionalScaleV1,
event: <wp_fractional_scale_v1::WpFractionalScaleV1 as Proxy>::Event,
surface_id: &ObjectId,
_: &Connection,
_: &QueueHandle<Self>,
) {
let client = this.get_client();
let mut state = client.borrow_mut();
let Some(window) = get_window(&mut state, surface_id) else {
return;
};
drop(state);
window.handle_fractional_scale_event(event);
}
}
impl Dispatch<zxdg_toplevel_decoration_v1::ZxdgToplevelDecorationV1, ObjectId>
for WaylandClientStatePtr
{
fn event(
this: &mut Self,
_: &zxdg_toplevel_decoration_v1::ZxdgToplevelDecorationV1,
event: zxdg_toplevel_decoration_v1::Event,
surface_id: &ObjectId,
_: &Connection,
_: &QueueHandle<Self>,
) {
let client = this.get_client();
let mut state = client.borrow_mut();
let Some(window) = get_window(&mut state, surface_id) else {
return;
};
drop(state);
window.handle_toplevel_decoration_event(event);
}
}
impl Dispatch<wl_data_device::WlDataDevice, ()> for WaylandClientStatePtr {
fn event(
this: &mut Self,
_: &wl_data_device::WlDataDevice,
event: wl_data_device::Event,
_: &(),
_: &Connection,
_: &QueueHandle<Self>,
) {
let client = this.get_client();
let mut state = client.borrow_mut();
match event {
// Clipboard
wl_data_device::Event::DataOffer { id: data_offer } => {
state.data_offers.push(DataOffer::new(data_offer));
if state.data_offers.len() > 2 {
// At most we store a clipboard offer and a drag and drop offer.
state.data_offers.remove(0).inner.destroy();
}
}
wl_data_device::Event::Selection { id: data_offer } => {
if let Some(offer) = data_offer {
let offer = state
.data_offers
.iter()
.find(|wrapper| wrapper.inner.id() == offer.id());
let offer = offer.cloned();
state.clipboard.set_offer(offer);
} else {
state.clipboard.set_offer(None);
}
}
// Drag and drop
wl_data_device::Event::Enter {
serial,
surface,
x,
y,
id: data_offer,
} => {
state.serial_tracker.update(SerialKind::DataDevice, serial);
if let Some(data_offer) = data_offer {
let Some(drag_window) = get_window(&mut state, &surface.id()) else {
return;
};
const ACTIONS: DndAction = DndAction::Copy;
data_offer.set_actions(ACTIONS, ACTIONS);
let pipe = Pipe::new().unwrap();
data_offer.receive(FILE_LIST_MIME_TYPE.to_string(), unsafe {
BorrowedFd::borrow_raw(pipe.write.as_raw_fd())
});
let fd = pipe.read;
drop(pipe.write);
let read_task = state
.common
.background_executor
.spawn(async { unsafe { read_fd(fd) } });
let this = this.clone();
state
.common
.foreground_executor
.spawn(async move {
let file_list = match read_task.await {
Ok(list) => list,
Err(err) => {
log::error!("error reading drag and drop pipe: {err:?}");
return;
}
};
let paths: SmallVec<[_; 2]> = file_list
.lines()
.filter_map(|path| Url::parse(path).log_err())
.filter_map(|url| url.to_file_path().log_err())
.collect();
let position = Point::new(x.into(), y.into());
// Prevent dropping text from other programs.
if paths.is_empty() {
data_offer.destroy();
return;
}
let input = PlatformInput::FileDrop(FileDropEvent::Entered {
position,
paths: crate::ExternalPaths(paths),
});
let client = this.get_client();
let mut state = client.borrow_mut();
state.drag.data_offer = Some(data_offer);
state.drag.window = Some(drag_window.clone());
state.drag.position = position;
drop(state);
drag_window.handle_input(input);
})
.detach();
}
}
wl_data_device::Event::Motion { x, y, .. } => {
let Some(drag_window) = state.drag.window.clone() else {
return;
};
let position = Point::new(x.into(), y.into());
state.drag.position = position;
let input = PlatformInput::FileDrop(FileDropEvent::Pending { position });
drop(state);
drag_window.handle_input(input);
}
wl_data_device::Event::Leave => {
let Some(drag_window) = state.drag.window.clone() else {
return;
};
let data_offer = state.drag.data_offer.clone().unwrap();
data_offer.destroy();
state.drag.data_offer = None;
state.drag.window = None;
let input = PlatformInput::FileDrop(FileDropEvent::Exited {});
drop(state);
drag_window.handle_input(input);
}
wl_data_device::Event::Drop => {
let Some(drag_window) = state.drag.window.clone() else {
return;
};
let data_offer = state.drag.data_offer.clone().unwrap();
data_offer.finish();
data_offer.destroy();
state.drag.data_offer = None;
state.drag.window = None;
let input = PlatformInput::FileDrop(FileDropEvent::Submit {
position: state.drag.position,
});
drop(state);
drag_window.handle_input(input);
}
_ => {}
}
}
event_created_child!(WaylandClientStatePtr, wl_data_device::WlDataDevice, [
wl_data_device::EVT_DATA_OFFER_OPCODE => (wl_data_offer::WlDataOffer, ()),
]);
}
impl Dispatch<wl_data_offer::WlDataOffer, ()> for WaylandClientStatePtr {
fn event(
this: &mut Self,
data_offer: &wl_data_offer::WlDataOffer,
event: wl_data_offer::Event,
_: &(),
_: &Connection,
_: &QueueHandle<Self>,
) {
let client = this.get_client();
let mut state = client.borrow_mut();
match event {
wl_data_offer::Event::Offer { mime_type } => {
// Drag and drop
if mime_type == FILE_LIST_MIME_TYPE {
let serial = state.serial_tracker.get(SerialKind::DataDevice);
let mime_type = mime_type.clone();
data_offer.accept(serial, Some(mime_type));
}
// Clipboard
if let Some(offer) = state
.data_offers
.iter_mut()
.find(|wrapper| wrapper.inner.id() == data_offer.id())
{
offer.add_mime_type(mime_type);
}
}
_ => {}
}
}
}
impl Dispatch<wl_data_source::WlDataSource, ()> for WaylandClientStatePtr {
fn event(
this: &mut Self,
data_source: &wl_data_source::WlDataSource,
event: wl_data_source::Event,
_: &(),
_: &Connection,
_: &QueueHandle<Self>,
) {
let client = this.get_client();
let mut state = client.borrow_mut();
match event {
wl_data_source::Event::Send { mime_type, fd } => {
state.clipboard.send(mime_type, fd);
}
wl_data_source::Event::Cancelled => {
data_source.destroy();
}
_ => {}
}
}
}
impl Dispatch<zwp_primary_selection_device_v1::ZwpPrimarySelectionDeviceV1, ()>
for WaylandClientStatePtr
{
fn event(
this: &mut Self,
_: &zwp_primary_selection_device_v1::ZwpPrimarySelectionDeviceV1,
event: zwp_primary_selection_device_v1::Event,
_: &(),
_: &Connection,
_: &QueueHandle<Self>,
) {
let client = this.get_client();
let mut state = client.borrow_mut();
match event {
zwp_primary_selection_device_v1::Event::DataOffer { offer } => {
let old_offer = state.primary_data_offer.replace(DataOffer::new(offer));
if let Some(old_offer) = old_offer {
old_offer.inner.destroy();
}
}
zwp_primary_selection_device_v1::Event::Selection { id: data_offer } => {
if data_offer.is_some() {
let offer = state.primary_data_offer.clone();
state.clipboard.set_primary_offer(offer);
} else {
state.clipboard.set_primary_offer(None);
}
}
_ => {}
}
}
event_created_child!(WaylandClientStatePtr, zwp_primary_selection_device_v1::ZwpPrimarySelectionDeviceV1, [
zwp_primary_selection_device_v1::EVT_DATA_OFFER_OPCODE => (zwp_primary_selection_offer_v1::ZwpPrimarySelectionOfferV1, ()),
]);
}
impl Dispatch<zwp_primary_selection_offer_v1::ZwpPrimarySelectionOfferV1, ()>
for WaylandClientStatePtr
{
fn event(
this: &mut Self,
_data_offer: &zwp_primary_selection_offer_v1::ZwpPrimarySelectionOfferV1,
event: zwp_primary_selection_offer_v1::Event,
_: &(),
_: &Connection,
_: &QueueHandle<Self>,
) {
let client = this.get_client();
let mut state = client.borrow_mut();
match event {
zwp_primary_selection_offer_v1::Event::Offer { mime_type } => {
if let Some(offer) = state.primary_data_offer.as_mut() {
offer.add_mime_type(mime_type);
}
}
_ => {}
}
}
}
impl Dispatch<zwp_primary_selection_source_v1::ZwpPrimarySelectionSourceV1, ()>
for WaylandClientStatePtr
{
fn event(
this: &mut Self,
selection_source: &zwp_primary_selection_source_v1::ZwpPrimarySelectionSourceV1,
event: zwp_primary_selection_source_v1::Event,
_: &(),
_: &Connection,
_: &QueueHandle<Self>,
) {
let client = this.get_client();
let mut state = client.borrow_mut();
match event {
zwp_primary_selection_source_v1::Event::Send { mime_type, fd } => {
state.clipboard.send_primary(mime_type, fd);
}
zwp_primary_selection_source_v1::Event::Cancelled => {
selection_source.destroy();
}
_ => {}
}
}
}