721 lines
24 KiB
Rust
721 lines
24 KiB
Rust
use std::{
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cell::RefCell,
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sync::{
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atomic::{AtomicBool, Ordering},
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Arc, Mutex,
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},
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};
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use calloop::LoopHandle;
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use cosmic::{
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iced::Background,
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iced_core::{alignment::Horizontal, Length, Pixels, Rectangle as IcedRectangle},
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iced_widget::{self, horizontal_rule, text::Appearance as TextAppearance, Column, Row},
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theme,
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widget::{button, horizontal_space, icon::from_name, text},
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Apply as _, Command,
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};
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use smithay::{
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backend::{
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input::ButtonState,
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renderer::{
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element::{memory::MemoryRenderBufferRenderElement, AsRenderElements},
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ImportMem, Renderer,
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},
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},
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desktop::space::SpaceElement,
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input::{
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pointer::{
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AxisFrame, ButtonEvent, GestureHoldBeginEvent, GestureHoldEndEvent,
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GesturePinchBeginEvent, GesturePinchEndEvent, GesturePinchUpdateEvent,
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GestureSwipeBeginEvent, GestureSwipeEndEvent, GestureSwipeUpdateEvent,
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GrabStartData as PointerGrabStartData, MotionEvent, PointerGrab, PointerInnerHandle,
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PointerTarget, RelativeMotionEvent,
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},
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Seat,
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},
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output::Output,
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utils::{Logical, Point, Rectangle, Size},
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};
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use crate::{
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shell::focus::target::PointerFocusTarget,
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state::State,
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utils::{
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iced::{IcedElement, Program},
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prelude::{Global, OutputExt, PointGlobalExt, PointLocalExt, SeatExt, SizeExt},
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},
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};
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use super::ResizeEdge;
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mod default;
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mod item;
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pub use self::default::*;
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pub struct MenuGrabState {
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elements: Arc<Mutex<Vec<Element>>>,
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}
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pub type SeatMenuGrabState = RefCell<Option<MenuGrabState>>;
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impl MenuGrabState {
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pub fn render<I, R>(&self, renderer: &mut R, output: &Output) -> Vec<I>
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where
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R: Renderer + ImportMem,
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<R as Renderer>::TextureId: 'static,
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I: From<MemoryRenderBufferRenderElement<R>>,
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{
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let scale = output.current_scale().fractional_scale();
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self.elements
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.lock()
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.unwrap()
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.iter()
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.flat_map(|elem| {
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elem.iced.render_elements(
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renderer,
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elem.position
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.to_local(output)
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.as_logical()
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.to_physical_precise_round(scale),
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scale.into(),
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1.0,
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)
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})
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.collect()
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}
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pub fn set_theme(&self, theme: cosmic::Theme) {
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for element in &*self.elements.lock().unwrap() {
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element.iced.set_theme(theme.clone())
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}
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}
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}
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#[derive(Clone)]
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pub enum Item {
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Separator,
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Submenu {
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title: String,
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items: Vec<Item>,
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},
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Entry {
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title: String,
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shortcut: Option<String>,
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on_press: Arc<Box<dyn Fn(&LoopHandle<'_, State>) + Send + Sync>>,
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toggled: bool,
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submenu: bool,
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disabled: bool,
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},
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}
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impl Item {
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pub fn new<S: Into<String>, F: Fn(&LoopHandle<'_, State>) + Send + Sync + 'static>(
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title: S,
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on_press: F,
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) -> Item {
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Item::Entry {
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title: title.into(),
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shortcut: None,
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on_press: Arc::new(Box::new(on_press)),
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toggled: false,
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submenu: false,
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disabled: false,
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}
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}
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pub fn new_submenu<S: Into<String>>(title: S, items: Vec<Item>) -> Item {
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Item::Submenu {
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title: title.into(),
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items,
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}
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}
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pub fn shortcut(mut self, shortcut: impl Into<Option<String>>) -> Self {
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if let Item::Entry {
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shortcut: ref mut s,
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..
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} = self
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{
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*s = shortcut.into();
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}
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self
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}
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pub fn toggled(mut self, toggled: bool) -> Self {
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if let Item::Entry {
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toggled: ref mut t, ..
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} = self
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{
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*t = toggled;
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}
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self
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}
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pub fn disabled(mut self, disabled: bool) -> Self {
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if let Item::Entry {
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disabled: ref mut d,
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..
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} = self
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{
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*d = disabled;
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}
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self
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}
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}
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pub struct ContextMenu {
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items: Vec<Item>,
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selected: AtomicBool,
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row_width: Mutex<Option<f32>>,
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}
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impl ContextMenu {
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pub fn new(items: Vec<Item>) -> ContextMenu {
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ContextMenu {
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items,
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selected: AtomicBool::new(false),
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row_width: Mutex::new(None),
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}
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}
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}
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#[derive(Debug, Clone)]
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pub enum Message {
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ItemEntered(usize, IcedRectangle<f32>),
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ItemPressed(usize),
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ItemLeft(usize, IcedRectangle<f32>),
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}
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impl item::CursorEvents for Message {
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fn cursor_entered(idx: usize, bounds: IcedRectangle<f32>) -> Self {
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Message::ItemEntered(idx, bounds)
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}
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fn cursor_left(idx: usize, bounds: IcedRectangle<f32>) -> Self {
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Message::ItemLeft(idx, bounds)
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}
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}
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impl Program for ContextMenu {
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type Message = Message;
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fn update(
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&mut self,
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message: Self::Message,
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loop_handle: &LoopHandle<'static, crate::state::State>,
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) -> Command<Self::Message> {
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match message {
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Message::ItemPressed(idx) => {
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if let Some(Item::Entry { on_press, .. }) = self.items.get_mut(idx) {
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(on_press)(loop_handle);
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self.selected.store(true, Ordering::SeqCst);
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}
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}
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Message::ItemEntered(idx, bounds) => {
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if let Some(Item::Submenu { items, .. }) = self.items.get_mut(idx) {
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let items = items.clone();
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let _ = loop_handle.insert_idle(move |state| {
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let seat = state.common.last_active_seat();
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let grab_state = seat
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.user_data()
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.get::<SeatMenuGrabState>()
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.unwrap()
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.borrow_mut();
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if let Some(grab_state) = &*grab_state {
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let mut elements = grab_state.elements.lock().unwrap();
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let position = elements.last().unwrap().position;
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let element = IcedElement::new(
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ContextMenu::new(items),
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Size::default(),
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state.common.event_loop_handle.clone(),
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state.common.theme.clone(),
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);
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let min_size = element.minimum_size();
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element.with_program(|p| {
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*p.row_width.lock().unwrap() = Some(min_size.w as f32);
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});
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element.resize(min_size);
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let output = seat.active_output();
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let position = [
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// to the right -> down
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Rectangle::from_loc_and_size(
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position
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+ Point::from((
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bounds.width.ceil() as i32,
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bounds.y.ceil() as i32,
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)),
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min_size.as_global(),
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),
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// to the right -> up
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Rectangle::from_loc_and_size(
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position
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+ Point::from((
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bounds.width.ceil() as i32,
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bounds.y.ceil() as i32 + bounds.height.ceil() as i32
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- min_size.h,
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)),
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min_size.as_global(),
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),
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// to the left -> down
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Rectangle::from_loc_and_size(
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position + Point::from((-min_size.w, bounds.y.ceil() as i32)),
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min_size.as_global(),
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),
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// to the left -> up
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Rectangle::from_loc_and_size(
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position
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+ Point::from((
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-min_size.w,
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bounds.y.ceil() as i32 + bounds.height.ceil() as i32
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- min_size.h,
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)),
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min_size.as_global(),
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),
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]
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.iter()
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.rev() // preference of max_by_key is backwards
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.max_by_key(|rect| {
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output
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.geometry()
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.intersection(**rect)
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.map(|rect| rect.size.w * rect.size.h)
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})
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.unwrap()
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.loc;
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element.output_enter(&output, element.bbox());
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elements.push(Element {
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iced: element,
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position,
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pointer_entered: false,
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})
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}
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});
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}
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}
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Message::ItemLeft(idx, _) => {
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if let Some(Item::Submenu { .. }) = self.items.get_mut(idx) {
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let _ = loop_handle.insert_idle(|state| {
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let seat = state.common.last_active_seat();
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let grab_state = seat
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.user_data()
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.get::<SeatMenuGrabState>()
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.unwrap()
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.borrow_mut();
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if let Some(grab_state) = &*grab_state {
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let mut elements = grab_state.elements.lock().unwrap();
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elements.pop();
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}
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});
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}
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}
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};
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Command::none()
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}
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fn view(&self) -> crate::utils::iced::Element<'_, Self::Message> {
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let width = self
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.row_width
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.lock()
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.unwrap()
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.map(|size| Length::Fixed(size))
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.unwrap_or(Length::Shrink);
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let mode = match width {
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Length::Shrink => Length::Shrink,
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_ => Length::Fill,
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};
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Column::with_children(
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self.items
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.iter()
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.enumerate()
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.map(|(idx, item)| match item {
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Item::Separator => horizontal_rule(1)
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.style(theme::Rule::LightDivider)
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.width(mode)
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.into(),
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Item::Submenu { title, .. } => Row::with_children(vec![
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horizontal_space(16).into(),
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text(title).width(mode).into(),
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from_name("go-next-symbolic")
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.size(16)
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.prefer_svg(true)
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.icon()
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.into(),
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])
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.spacing(8)
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.width(width)
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.padding([8, 24])
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.apply(|row| item::SubmenuItem::new(row, idx))
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.style(theme::Button::MenuItem)
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.into(),
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Item::Entry {
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title,
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shortcut,
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toggled,
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disabled,
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..
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} => {
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let mut components = vec![
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if *toggled {
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from_name("object-select-symbolic")
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.size(16)
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.prefer_svg(true)
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.icon()
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.style(theme::Svg::custom(|theme| {
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iced_widget::svg::Appearance {
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color: Some(theme.cosmic().accent.base.into()),
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}
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}))
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.into()
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} else {
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horizontal_space(16).into()
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},
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text(title)
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.width(mode)
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.style(if *disabled {
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theme::Text::Custom(|theme| {
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let mut color = theme.cosmic().background.component.on;
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color.alpha *= 0.5;
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TextAppearance {
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color: Some(color.into()),
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}
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})
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} else {
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theme::Text::Default
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})
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.into(),
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];
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if let Some(shortcut) = shortcut.as_ref() {
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components.push(
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text(shortcut)
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.line_height(Pixels(20.))
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.size(14)
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.horizontal_alignment(Horizontal::Right)
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.width(Length::Shrink)
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.style(theme::Text::Custom(|theme| {
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let mut color = theme.cosmic().background.component.on;
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color.alpha *= 0.75;
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TextAppearance {
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color: Some(color.into()),
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}
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}))
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.into(),
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);
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}
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components.push(horizontal_space(16).into());
|
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Row::with_children(components)
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.spacing(8)
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.width(mode)
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.apply(button)
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.width(width)
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.padding([8, 24])
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.on_press_maybe((!disabled).then_some(Message::ItemPressed(idx)))
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.style(theme::Button::MenuItem)
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.into()
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}
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})
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.collect(),
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)
|
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.width(Length::Shrink)
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.apply(iced_widget::container)
|
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.padding(1)
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.style(theme::Container::custom(|theme| {
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let cosmic = theme.cosmic();
|
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let component = &cosmic.background.component;
|
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iced_widget::container::Appearance {
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icon_color: Some(cosmic.accent.base.into()),
|
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text_color: Some(component.on.into()),
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background: Some(Background::Color(component.base.into())),
|
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border_radius: 8.0.into(),
|
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border_width: 1.0,
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border_color: component.divider.into(),
|
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}
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}))
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.width(Length::Shrink)
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.into()
|
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}
|
|
}
|
|
|
|
pub struct Element {
|
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iced: IcedElement<ContextMenu>,
|
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position: Point<i32, Global>,
|
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pointer_entered: bool,
|
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}
|
|
|
|
pub struct MenuGrab {
|
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elements: Arc<Mutex<Vec<Element>>>,
|
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start_data: PointerGrabStartData<State>,
|
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seat: Seat<State>,
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}
|
|
|
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impl PointerGrab<State> for MenuGrab {
|
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fn motion(
|
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&mut self,
|
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state: &mut State,
|
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handle: &mut PointerInnerHandle<'_, State>,
|
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_focus: Option<(PointerFocusTarget, Point<i32, Logical>)>,
|
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event: &MotionEvent,
|
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) {
|
|
{
|
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let mut guard = self.elements.lock().unwrap();
|
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let elements = &mut *guard;
|
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if let Some(i) = elements.iter().position(|elem| {
|
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let mut bbox = elem.iced.bbox();
|
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bbox.loc = elem.position.as_logical();
|
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|
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bbox.contains(event.location.to_i32_round())
|
|
}) {
|
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let element = &mut elements[i];
|
|
|
|
let new_event = MotionEvent {
|
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location: event.location - element.position.as_logical().to_f64(),
|
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serial: event.serial,
|
|
time: event.time,
|
|
};
|
|
if !element.pointer_entered {
|
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PointerTarget::enter(&element.iced, &self.seat, state, &new_event);
|
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element.pointer_entered = true;
|
|
} else {
|
|
element.iced.motion(&self.seat, state, &new_event);
|
|
}
|
|
} else {
|
|
elements.iter_mut().for_each(|element| {
|
|
if element.pointer_entered {
|
|
PointerTarget::leave(
|
|
&element.iced,
|
|
&self.seat,
|
|
state,
|
|
event.serial,
|
|
event.time,
|
|
);
|
|
element.pointer_entered = false;
|
|
}
|
|
})
|
|
}
|
|
}
|
|
handle.motion(state, None, event);
|
|
}
|
|
|
|
fn relative_motion(
|
|
&mut self,
|
|
state: &mut State,
|
|
handle: &mut PointerInnerHandle<'_, State>,
|
|
_focus: Option<(PointerFocusTarget, Point<i32, Logical>)>,
|
|
event: &RelativeMotionEvent,
|
|
) {
|
|
// While the grab is active, no client has pointer focus
|
|
handle.relative_motion(state, None, event);
|
|
}
|
|
|
|
fn button(
|
|
&mut self,
|
|
state: &mut State,
|
|
handle: &mut PointerInnerHandle<'_, State>,
|
|
event: &ButtonEvent,
|
|
) {
|
|
let any_entered = self
|
|
.elements
|
|
.lock()
|
|
.unwrap()
|
|
.iter()
|
|
.any(|elem| elem.pointer_entered);
|
|
if !any_entered {
|
|
if event.state == ButtonState::Pressed {
|
|
handle.unset_grab(state, event.serial, event.time, true);
|
|
}
|
|
} else {
|
|
let selected = {
|
|
let elements = self.elements.lock().unwrap();
|
|
let mut selected = false;
|
|
for element in elements.iter().filter(|elem| elem.pointer_entered) {
|
|
element.iced.button(&self.seat, state, event);
|
|
selected = true;
|
|
}
|
|
selected
|
|
};
|
|
if selected && event.state == ButtonState::Released {
|
|
handle.unset_grab(state, event.serial, event.time, true);
|
|
} else {
|
|
handle.button(state, event);
|
|
}
|
|
}
|
|
}
|
|
|
|
fn axis(
|
|
&mut self,
|
|
state: &mut State,
|
|
handle: &mut PointerInnerHandle<'_, State>,
|
|
details: AxisFrame,
|
|
) {
|
|
handle.axis(state, details);
|
|
}
|
|
|
|
fn frame(&mut self, data: &mut State, handle: &mut PointerInnerHandle<'_, State>) {
|
|
handle.frame(data)
|
|
}
|
|
|
|
fn gesture_swipe_begin(
|
|
&mut self,
|
|
data: &mut State,
|
|
handle: &mut PointerInnerHandle<'_, State>,
|
|
event: &GestureSwipeBeginEvent,
|
|
) {
|
|
handle.gesture_swipe_begin(data, event)
|
|
}
|
|
|
|
fn gesture_swipe_update(
|
|
&mut self,
|
|
data: &mut State,
|
|
handle: &mut PointerInnerHandle<'_, State>,
|
|
event: &GestureSwipeUpdateEvent,
|
|
) {
|
|
handle.gesture_swipe_update(data, event)
|
|
}
|
|
|
|
fn gesture_swipe_end(
|
|
&mut self,
|
|
data: &mut State,
|
|
handle: &mut PointerInnerHandle<'_, State>,
|
|
event: &GestureSwipeEndEvent,
|
|
) {
|
|
handle.gesture_swipe_end(data, event)
|
|
}
|
|
|
|
fn gesture_pinch_begin(
|
|
&mut self,
|
|
data: &mut State,
|
|
handle: &mut PointerInnerHandle<'_, State>,
|
|
event: &GesturePinchBeginEvent,
|
|
) {
|
|
handle.gesture_pinch_begin(data, event)
|
|
}
|
|
|
|
fn gesture_pinch_update(
|
|
&mut self,
|
|
data: &mut State,
|
|
handle: &mut PointerInnerHandle<'_, State>,
|
|
event: &GesturePinchUpdateEvent,
|
|
) {
|
|
handle.gesture_pinch_update(data, event)
|
|
}
|
|
|
|
fn gesture_pinch_end(
|
|
&mut self,
|
|
data: &mut State,
|
|
handle: &mut PointerInnerHandle<'_, State>,
|
|
event: &GesturePinchEndEvent,
|
|
) {
|
|
handle.gesture_pinch_end(data, event)
|
|
}
|
|
|
|
fn gesture_hold_begin(
|
|
&mut self,
|
|
data: &mut State,
|
|
handle: &mut PointerInnerHandle<'_, State>,
|
|
event: &GestureHoldBeginEvent,
|
|
) {
|
|
handle.gesture_hold_begin(data, event)
|
|
}
|
|
|
|
fn gesture_hold_end(
|
|
&mut self,
|
|
data: &mut State,
|
|
handle: &mut PointerInnerHandle<'_, State>,
|
|
event: &GestureHoldEndEvent,
|
|
) {
|
|
handle.gesture_hold_end(data, event)
|
|
}
|
|
|
|
fn start_data(&self) -> &PointerGrabStartData<State> {
|
|
&self.start_data
|
|
}
|
|
}
|
|
|
|
impl MenuGrab {
|
|
pub fn new(
|
|
start_data: PointerGrabStartData<State>,
|
|
seat: &Seat<State>,
|
|
items: impl Iterator<Item = Item>,
|
|
position: Point<i32, Global>,
|
|
handle: LoopHandle<'static, crate::state::State>,
|
|
theme: cosmic::Theme,
|
|
) -> MenuGrab {
|
|
let items = items.collect::<Vec<_>>();
|
|
let element = IcedElement::new(ContextMenu::new(items), Size::default(), handle, theme);
|
|
let min_size = element.minimum_size();
|
|
element.with_program(|p| {
|
|
*p.row_width.lock().unwrap() = Some(min_size.w as f32);
|
|
});
|
|
element.resize(min_size);
|
|
|
|
let output = seat.active_output();
|
|
let position = [
|
|
Rectangle::from_loc_and_size(position, min_size.as_global()), // normal
|
|
Rectangle::from_loc_and_size(
|
|
position - Point::from((min_size.w, 0)),
|
|
min_size.as_global(),
|
|
), // flipped left
|
|
Rectangle::from_loc_and_size(
|
|
position - Point::from((0, min_size.h)),
|
|
min_size.as_global(),
|
|
), // flipped up
|
|
Rectangle::from_loc_and_size(
|
|
position - Point::from((min_size.w, min_size.h)),
|
|
min_size.as_global(),
|
|
), // flipped left & up
|
|
]
|
|
.iter()
|
|
.rev() // preference of max_by_key is backwards
|
|
.max_by_key(|rect| {
|
|
output
|
|
.geometry()
|
|
.intersection(**rect)
|
|
.map(|rect| rect.size.w * rect.size.h)
|
|
})
|
|
.unwrap()
|
|
.loc;
|
|
|
|
element.output_enter(&output, element.bbox());
|
|
|
|
let elements = Arc::new(Mutex::new(vec![Element {
|
|
iced: element,
|
|
position,
|
|
pointer_entered: false,
|
|
}]));
|
|
|
|
let grab_state = MenuGrabState {
|
|
elements: elements.clone(),
|
|
};
|
|
|
|
*seat
|
|
.user_data()
|
|
.get::<SeatMenuGrabState>()
|
|
.unwrap()
|
|
.borrow_mut() = Some(grab_state);
|
|
|
|
MenuGrab {
|
|
elements,
|
|
start_data,
|
|
seat: seat.clone(),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl Drop for MenuGrab {
|
|
fn drop(&mut self) {
|
|
self.seat
|
|
.user_data()
|
|
.get::<SeatMenuGrabState>()
|
|
.unwrap()
|
|
.borrow_mut()
|
|
.take();
|
|
}
|
|
}
|