1007 lines
35 KiB
Rust
1007 lines
35 KiB
Rust
use crate::backend::{KeyState, ScrollAxis};
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use crate::cursor::KnownCursor;
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use crate::fixed::Fixed;
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use crate::ifs::wl_seat::{NodeSeatState, SeatId, WlSeatGlobal, BTN_LEFT, Dnd};
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use crate::rect::Rect;
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use crate::render::{Renderer, Texture};
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use crate::theme::Color;
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use crate::tree::walker::NodeVisitor;
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use crate::tree::{FindTreeResult, FloatNode, FoundNode, Node, NodeId, WorkspaceNode};
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use crate::utils::clonecell::CloneCell;
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use crate::utils::linkedlist::{LinkedList, LinkedNode, NodeRef};
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use crate::{text, ErrorFmt, NumCell, State};
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use ahash::AHashMap;
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use i4config::{Axis, Direction};
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use std::cell::{Cell, RefCell};
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use std::collections::hash_map::Entry;
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use std::fmt::{Debug, Formatter};
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use std::mem;
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use std::ops::{Deref, DerefMut, Sub};
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use std::rc::Rc;
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use crate::client::{Client, ClientId};
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use crate::ifs::wl_surface::WlSurface;
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use crate::xkbcommon::ModifierState;
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#[allow(dead_code)]
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#[derive(Copy, Clone, Debug, Eq, PartialEq)]
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pub enum ContainerSplit {
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Horizontal,
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Vertical,
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}
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impl From<Axis> for ContainerSplit {
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fn from(a: Axis) -> Self {
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match a {
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Axis::Horizontal => Self::Horizontal,
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Axis::Vertical => Self::Vertical,
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}
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}
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}
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impl Into<Axis> for ContainerSplit {
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fn into(self) -> Axis {
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match self {
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ContainerSplit::Horizontal => Axis::Horizontal,
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ContainerSplit::Vertical => Axis::Vertical,
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}
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}
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}
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#[allow(dead_code)]
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#[derive(Copy, Clone, Debug, Eq, PartialEq)]
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pub enum ContainerFocus {
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None,
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Child,
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Yes,
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}
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tree_id!(ContainerNodeId);
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pub struct ContainerNode {
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pub id: ContainerNodeId,
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pub parent: CloneCell<Rc<dyn Node>>,
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pub split: Cell<ContainerSplit>,
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title: RefCell<String>,
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pub mono_child: CloneCell<Option<NodeRef<ContainerChild>>>,
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pub mono_body: Cell<Rect>,
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pub mono_content: Cell<Rect>,
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pub abs_x1: Cell<i32>,
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pub abs_y1: Cell<i32>,
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pub width: Cell<i32>,
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pub height: Cell<i32>,
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pub content_width: Cell<i32>,
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pub content_height: Cell<i32>,
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pub sum_factors: Cell<f64>,
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layout_scheduled: Cell<bool>,
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render_titles_scheduled: Cell<bool>,
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num_children: NumCell<usize>,
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pub children: LinkedList<ContainerChild>,
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child_nodes: RefCell<AHashMap<NodeId, LinkedNode<ContainerChild>>>,
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seat_state: NodeSeatState,
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workspace: CloneCell<Rc<WorkspaceNode>>,
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seats: RefCell<AHashMap<SeatId, SeatState>>,
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state: Rc<State>,
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}
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impl Debug for ContainerNode {
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fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
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f.debug_struct("ContainerNode").finish_non_exhaustive()
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}
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}
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#[derive(Clone)]
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pub struct ContainerChild {
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pub node: Rc<dyn Node>,
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pub active: Cell<bool>,
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pub body: Cell<Rect>,
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pub content: Cell<Rect>,
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factor: Cell<f64>,
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pub focus: Cell<ContainerFocus>,
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title: RefCell<String>,
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pub title_texture: CloneCell<Option<Rc<Texture>>>,
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}
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struct SeatState {
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cursor: KnownCursor,
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target: bool,
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x: i32,
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y: i32,
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op: Option<SeatOp>,
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}
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impl ContainerChild {
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fn position_content(&self) {
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let mut content = self.content.get();
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let body = self.body.get();
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let width = content.width();
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let height = content.height();
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// let x1 = body.x1() + (body.width() - width) / 2;
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// let y1 = body.y1() + (body.height() - height) / 2;
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let x1 = body.x1();
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let y1 = body.y1();
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content = Rect::new_sized(x1, y1, width, height).unwrap();
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// log::debug!("body: {:?}", body);
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// log::debug!("content: {:?}", content);
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self.content.set(content);
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}
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}
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impl ContainerNode {
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pub fn new(
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state: &Rc<State>,
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workspace: &Rc<WorkspaceNode>,
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parent: Rc<dyn Node>,
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child: Rc<dyn Node>,
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split: ContainerSplit,
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) -> Self {
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child.clone().set_workspace(workspace);
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let children = LinkedList::new();
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let mut child_nodes = AHashMap::new();
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child_nodes.insert(
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child.id(),
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children.add_last(ContainerChild {
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node: child,
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active: Cell::new(false),
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body: Cell::new(Default::default()),
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content: Cell::new(Default::default()),
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factor: Cell::new(1.0),
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focus: Cell::new(ContainerFocus::None),
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title: Default::default(),
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title_texture: Default::default(),
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}),
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);
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Self {
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id: state.node_ids.next(),
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parent: CloneCell::new(parent),
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split: Cell::new(split),
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title: Default::default(),
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mono_child: CloneCell::new(None),
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mono_body: Cell::new(Default::default()),
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mono_content: Cell::new(Default::default()),
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abs_x1: Cell::new(0),
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abs_y1: Cell::new(0),
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width: Cell::new(0),
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height: Cell::new(0),
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content_width: Cell::new(0),
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content_height: Cell::new(0),
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sum_factors: Cell::new(1.0),
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layout_scheduled: Cell::new(false),
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render_titles_scheduled: Cell::new(false),
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num_children: NumCell::new(1),
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children,
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child_nodes: RefCell::new(child_nodes),
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seat_state: Default::default(),
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workspace: CloneCell::new(workspace.clone()),
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seats: RefCell::new(Default::default()),
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state: state.clone(),
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}
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}
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pub fn num_children(&self) -> usize {
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self.num_children.get()
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}
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pub fn append_child(self: &Rc<Self>, new: Rc<dyn Node>) {
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if let Some(child) = self.children.last() {
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self.add_child_after_(&child, new);
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return;
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}
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log::error!("Tried to add a child to a container but container is empty");
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}
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pub fn add_child_after(self: &Rc<Self>, prev: &dyn Node, new: Rc<dyn Node>) {
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self.add_child_x(prev, new, |prev, new| self.add_child_after_(prev, new));
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}
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pub fn add_child_before(self: &Rc<Self>, prev: &dyn Node, new: Rc<dyn Node>) {
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self.add_child_x(prev, new, |prev, new| self.add_child_before_(prev, new));
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}
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fn add_child_x<F>(self: &Rc<Self>, prev: &dyn Node, new: Rc<dyn Node>, f: F)
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where
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F: FnOnce(&NodeRef<ContainerChild>, Rc<dyn Node>),
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{
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let node = self
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.child_nodes
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.borrow()
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.get(&prev.id())
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.map(|n| n.to_ref());
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if let Some(node) = node {
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f(&node, new);
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return;
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}
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log::error!(
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"Tried to add a child to a container but the preceding node is not in the container"
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);
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}
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fn add_child_after_(self: &Rc<Self>, prev: &NodeRef<ContainerChild>, new: Rc<dyn Node>) {
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self.add_child(|cc| prev.append(cc), new);
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}
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fn add_child_before_(self: &Rc<Self>, prev: &NodeRef<ContainerChild>, new: Rc<dyn Node>) {
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self.add_child(|cc| prev.prepend(cc), new);
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}
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fn add_child<F>(self: &Rc<Self>, f: F, new: Rc<dyn Node>)
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where
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F: FnOnce(ContainerChild) -> LinkedNode<ContainerChild>,
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{
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{
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let mut links = self.child_nodes.borrow_mut();
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if links.contains_key(&new.id()) {
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log::error!("Tried to add a child to a container that already contains the child");
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return;
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}
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links.insert(
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new.id(),
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f(ContainerChild {
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node: new.clone(),
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active: Cell::new(false),
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body: Default::default(),
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content: Default::default(),
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factor: Cell::new(0.0),
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focus: Cell::new(ContainerFocus::None),
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title: Default::default(),
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title_texture: Default::default(),
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}),
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);
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}
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new.clone().set_workspace(&self.workspace.get());
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new.clone().set_parent(self.clone());
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let num_children = self.num_children.fetch_add(1) + 1;
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self.update_content_size();
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let new_child_factor = 1.0 / num_children as f64;
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let mut sum_factors = 0.0;
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for child in self.children.iter() {
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let factor = if Rc::ptr_eq(&child.node, &new) {
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new_child_factor
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} else {
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child.factor.get() * (1.0 - new_child_factor)
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};
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child.factor.set(factor);
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sum_factors += factor;
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}
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self.sum_factors.set(sum_factors);
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self.schedule_layout();
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self.cancel_seat_ops();
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}
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fn cancel_seat_ops(&self) {
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let mut seats = self.seats.borrow_mut();
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for seat in seats.values_mut() {
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seat.op = None;
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}
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}
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pub fn on_theme_changed(self: &Rc<Self>) {
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self.update_content_size();
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self.schedule_layout();
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}
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fn schedule_layout(self: &Rc<Self>) {
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if !self.layout_scheduled.replace(true) {
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self.state.pending_container_layout.push(self.clone());
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}
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}
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fn perform_layout(self: &Rc<Self>) {
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let sum_factors = self.sum_factors.get();
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let border_width = self.state.theme.border_width.get();
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let title_height = self.state.theme.title_height.get();
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let split = self.split.get();
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let (content_size, other_content_size) = match split {
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ContainerSplit::Horizontal => (self.content_width.get(), self.content_height.get()),
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ContainerSplit::Vertical => (self.content_height.get(), self.content_width.get()),
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};
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let num_children = self.num_children.get();
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let mut pos = 0;
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let mut remaining_content_size = content_size;
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for child in self.children.iter() {
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let factor = child.factor.get() / sum_factors;
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child.factor.set(factor);
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let mut body_size = (content_size as f64 * factor).round() as i32;
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body_size = body_size.min(remaining_content_size);
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remaining_content_size -= body_size;
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let (x1, y1, width, height) = match split {
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ContainerSplit::Horizontal => {
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(pos, title_height + 1, body_size, other_content_size)
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}
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_ => (0, pos + title_height + 1, other_content_size, body_size),
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};
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let body = Rect::new_sized(x1, y1, width, height).unwrap();
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child.body.set(body);
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pos += body_size + border_width;
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if split == ContainerSplit::Vertical {
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pos += title_height + 1;
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}
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}
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if remaining_content_size > 0 {
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let size_per = remaining_content_size / num_children as i32;
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let mut rem = remaining_content_size % num_children as i32;
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pos = 0;
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for child in self.children.iter() {
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let mut body = child.body.get();
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let mut add = size_per;
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if rem > 0 {
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rem -= 1;
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add += 1;
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}
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let (x1, y1, width, height, size) = match split {
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ContainerSplit::Horizontal => {
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let width = body.width() + add;
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(pos, title_height + 1, width, other_content_size, width)
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}
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_ => {
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let height = body.height() + add;
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(0, pos, other_content_size, height, height)
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}
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};
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body = Rect::new_sized(x1, y1, width, height).unwrap();
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child.body.set(body);
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pos += size + border_width;
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if split == ContainerSplit::Vertical {
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pos += title_height + 1;
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}
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}
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}
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self.sum_factors.set(1.0);
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self.layout_scheduled.set(false);
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for child in self.children.iter() {
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let body = child.body.get().move_(self.abs_x1.get(), self.abs_y1.get());
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child.node.clone().change_extents(&body);
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child.position_content();
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}
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self.schedule_render_titles();
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}
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fn update_content_size(&self) {
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let border_width = self.state.theme.border_width.get();
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let title_height = self.state.theme.title_height.get();
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let nc = self.num_children.get();
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match self.split.get() {
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ContainerSplit::Horizontal => {
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let new_content_size = self.width.get().sub((nc - 1) as i32 * border_width).max(0);
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self.content_width.set(new_content_size);
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self.content_height
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.set(self.height.get().sub(title_height + 1).max(0));
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}
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ContainerSplit::Vertical => {
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let new_content_size = self
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.height
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.get()
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.sub(title_height + 1 + (nc - 1) as i32 * (border_width + title_height + 1))
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.max(0);
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self.content_height.set(new_content_size);
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self.content_width.set(self.width.get());
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}
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}
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}
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fn pointer_move(self: &Rc<Self>, seat: &Rc<WlSeatGlobal>, mut x: i32, mut y: i32) {
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let title_height = self.state.theme.title_height.get();
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let mut seats = self.seats.borrow_mut();
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let seat_state = seats.entry(seat.id()).or_insert_with(|| SeatState {
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cursor: KnownCursor::Default,
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target: false,
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x,
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y,
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op: None,
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});
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seat_state.x = x;
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seat_state.y = y;
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if let Some(op) = &seat_state.op {
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match op.kind {
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SeatOpKind::Move => {
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// todo
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}
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SeatOpKind::Resize {
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dist_left,
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dist_right,
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} => {
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let prev = op.child.prev().unwrap();
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let prev_body = prev.body.get();
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let child_body = op.child.body.get();
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let (prev_factor, child_factor) = match self.split.get() {
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ContainerSplit::Horizontal => {
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let cw = self.content_width.get();
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x = x
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.max(prev_body.x1() + dist_left)
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.min(child_body.x2() - dist_right);
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let prev_factor = (x - prev_body.x1() - dist_left) as f64 / cw as f64;
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let child_factor =
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(child_body.x2() - x - dist_right) as f64 / cw as f64;
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(prev_factor, child_factor)
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}
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ContainerSplit::Vertical => {
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let ch = self.content_height.get();
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y = y
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.max(prev_body.y1() + dist_left)
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.min(child_body.y2() - dist_right);
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let prev_factor = (y - prev_body.y1() - dist_left) as f64 / ch as f64;
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let child_factor =
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(child_body.y2() - y - dist_right) as f64 / ch as f64;
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(prev_factor, child_factor)
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}
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};
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let sum_factors =
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self.sum_factors.get() - prev.factor.get() - op.child.factor.get()
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+ prev_factor
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+ child_factor;
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prev.factor.set(prev_factor);
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op.child.factor.set(child_factor);
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self.sum_factors.set(sum_factors);
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self.schedule_layout();
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}
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}
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return;
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}
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let new_cursor = if self.mono_child.get().is_some() {
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KnownCursor::Default
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} else if self.split.get() == ContainerSplit::Horizontal {
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if y < title_height + 1 {
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KnownCursor::Default
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} else {
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KnownCursor::ResizeLeftRight
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}
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} else {
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let mut cursor = KnownCursor::Default;
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for child in self.children.iter() {
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let body = child.body.get();
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if body.y1() > y {
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if body.y1() - y > title_height + 1 {
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cursor = KnownCursor::ResizeTopBottom
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}
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break;
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}
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}
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cursor
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};
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if new_cursor != mem::replace(&mut seat_state.cursor, new_cursor) {
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if seat_state.target {
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seat.set_known_cursor(new_cursor);
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}
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}
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}
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fn update_title(self: &Rc<Self>) {
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let split = match self.split.get() {
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ContainerSplit::Horizontal => "H",
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ContainerSplit::Vertical => "V",
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};
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let mut title = self.title.borrow_mut();
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title.clear();
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title.push_str(split);
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title.push_str("[");
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for (i, c) in self.children.iter().enumerate() {
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if i > 0 {
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title.push_str(", ");
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}
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title.push_str(c.title.borrow_mut().deref());
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}
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title.push_str("]");
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self.parent.get().child_title_changed(&**self, &title);
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self.schedule_render_titles();
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log::info!("num children: {}", self.num_children.get());
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}
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fn schedule_render_titles(self: &Rc<Self>) {
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if !self.render_titles_scheduled.replace(true) {
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self.state.pending_container_titles.push(self.clone());
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}
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}
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fn render_titles(&self) {
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let theme = &self.state.theme;
|
|
let th = theme.title_height.get();
|
|
let font = theme.font.borrow_mut();
|
|
for c in self.children.iter() {
|
|
c.title_texture.set(None);
|
|
let title = c.title.borrow_mut();
|
|
let body = c.body.get();
|
|
if title.is_empty() || th == 0 || body.width() == 0 {
|
|
continue;
|
|
}
|
|
let ctx = match self.state.render_ctx.get() {
|
|
Some(c) => c,
|
|
_ => continue,
|
|
};
|
|
let texture = match text::render(&ctx, body.width(), th, &font, &title, Color::GREY) {
|
|
Ok(t) => t,
|
|
Err(e) => {
|
|
log::error!("Could not render title {}: {}", title, ErrorFmt(e));
|
|
continue;
|
|
}
|
|
};
|
|
c.title_texture.set(Some(texture));
|
|
}
|
|
self.render_titles_scheduled.set(false);
|
|
}
|
|
}
|
|
|
|
struct SeatOp {
|
|
child: NodeRef<ContainerChild>,
|
|
kind: SeatOpKind,
|
|
}
|
|
|
|
#[derive(Copy, Clone, Debug, Eq, PartialEq)]
|
|
enum SeatOpKind {
|
|
Move,
|
|
Resize { dist_left: i32, dist_right: i32 },
|
|
}
|
|
|
|
pub async fn container_layout(state: Rc<State>) {
|
|
loop {
|
|
let container = state.pending_container_layout.pop().await;
|
|
if container.layout_scheduled.get() {
|
|
container.perform_layout();
|
|
}
|
|
}
|
|
}
|
|
|
|
pub async fn render_titles(state: Rc<State>) {
|
|
loop {
|
|
let container = state.pending_container_titles.pop().await;
|
|
if container.render_titles_scheduled.get() {
|
|
container.render_titles();
|
|
}
|
|
}
|
|
}
|
|
|
|
impl Node for ContainerNode {
|
|
fn id(&self) -> NodeId {
|
|
self.id.into()
|
|
}
|
|
|
|
fn seat_state(&self) -> &NodeSeatState {
|
|
&self.seat_state
|
|
}
|
|
|
|
fn destroy_node(&self, detach: bool) {
|
|
if detach {
|
|
self.parent.get().remove_child(self);
|
|
}
|
|
mem::take(self.seats.borrow_mut().deref_mut());
|
|
let mut cn = self.child_nodes.borrow_mut();
|
|
for (_, n) in cn.drain() {
|
|
n.node.destroy_node(false);
|
|
}
|
|
self.seat_state.destroy_node(self);
|
|
}
|
|
|
|
fn visit(self: Rc<Self>, visitor: &mut dyn NodeVisitor) {
|
|
visitor.visit_container(&self);
|
|
}
|
|
|
|
fn visit_children(&self, visitor: &mut dyn NodeVisitor) {
|
|
for child in self.children.iter() {
|
|
child.node.clone().visit(visitor);
|
|
}
|
|
}
|
|
|
|
fn child_title_changed(self: Rc<Self>, child: &dyn Node, title: &str) {
|
|
let child = match self.child_nodes.borrow_mut().get(&child.id()) {
|
|
Some(cn) => cn.to_ref(),
|
|
_ => return,
|
|
};
|
|
{
|
|
let mut ct = child.title.borrow_mut();
|
|
if ct.deref() == title {
|
|
return;
|
|
}
|
|
ct.clear();
|
|
ct.push_str(title);
|
|
}
|
|
self.update_title();
|
|
}
|
|
|
|
fn get_split(&self) -> Option<ContainerSplit> {
|
|
Some(self.split.get())
|
|
}
|
|
|
|
fn set_split(self: Rc<Self>, split: ContainerSplit) {
|
|
if self.split.replace(split) != split {
|
|
self.update_content_size();
|
|
self.schedule_layout();
|
|
self.update_title();
|
|
}
|
|
}
|
|
|
|
fn focus_self(self: Rc<Self>, seat: &Rc<WlSeatGlobal>) {
|
|
seat.focus_node(self);
|
|
}
|
|
|
|
fn move_focus(self: Rc<Self>, seat: &Rc<WlSeatGlobal>, direction: Direction) {
|
|
if direction == Direction::Down {
|
|
self.do_focus(seat, direction);
|
|
return;
|
|
}
|
|
self.parent
|
|
.get()
|
|
.move_focus_from_child(seat, &*self, direction);
|
|
}
|
|
|
|
fn move_self(self: Rc<Self>, direction: Direction) {
|
|
self.parent.get().move_child(self, direction);
|
|
}
|
|
|
|
fn do_focus(self: Rc<Self>, seat: &Rc<WlSeatGlobal>, direction: Direction) {
|
|
let node = match direction {
|
|
Direction::Left => self.children.last(),
|
|
Direction::Down => self.children.first(),
|
|
Direction::Up => self.children.last(),
|
|
Direction::Right => self.children.first(),
|
|
};
|
|
if let Some(node) = node {
|
|
node.node.clone().do_focus(seat, direction);
|
|
}
|
|
}
|
|
|
|
fn move_focus_from_child(
|
|
&self,
|
|
seat: &Rc<WlSeatGlobal>,
|
|
child: &dyn Node,
|
|
direction: Direction,
|
|
) {
|
|
let child = match self.child_nodes.borrow_mut().get(&child.id()) {
|
|
Some(c) => c.to_ref(),
|
|
_ => return,
|
|
};
|
|
let in_line = match self.split.get() {
|
|
ContainerSplit::Horizontal => matches!(direction, Direction::Left | Direction::Right),
|
|
ContainerSplit::Vertical => matches!(direction, Direction::Up | Direction::Down),
|
|
};
|
|
if !in_line {
|
|
self.parent
|
|
.get()
|
|
.move_focus_from_child(seat, self, direction);
|
|
return;
|
|
}
|
|
let prev = match direction {
|
|
Direction::Left => true,
|
|
Direction::Down => false,
|
|
Direction::Up => true,
|
|
Direction::Right => false,
|
|
};
|
|
let sibling = match prev {
|
|
true => child.prev(),
|
|
false => child.next(),
|
|
};
|
|
let sibling = match sibling {
|
|
Some(s) => s,
|
|
None => {
|
|
self.parent
|
|
.get()
|
|
.move_focus_from_child(seat, self, direction);
|
|
return;
|
|
}
|
|
};
|
|
sibling.node.clone().do_focus(seat, direction);
|
|
}
|
|
//
|
|
fn move_child(self: Rc<Self>, child: Rc<dyn Node>, direction: Direction) {
|
|
// CASE 1: This is the only child of the container. Replace the container by the child.
|
|
if self.num_children.get() == 1 {
|
|
let parent = self.parent.get();
|
|
let can_replace = parent.is_container() || child.clone().into_container().is_some();
|
|
if can_replace {
|
|
self.parent.get().replace_child(&*self, child.clone());
|
|
}
|
|
return;
|
|
}
|
|
let (split, prev) = direction_to_split(direction);
|
|
// CASE 2: We're moving the child within the container.
|
|
if split == self.split.get() {
|
|
let mut cn = self.child_nodes.borrow_mut();
|
|
let mut child = match cn.entry(child.id()) {
|
|
Entry::Occupied(o) => o,
|
|
Entry::Vacant(_) => return,
|
|
};
|
|
let neighbor = match prev {
|
|
true => child.get().prev(),
|
|
false => child.get().next(),
|
|
};
|
|
if let Some(neighbor) = neighbor {
|
|
let cc = child.get().deref().deref().clone();
|
|
let link = match prev {
|
|
true => neighbor.prepend(cc),
|
|
false => neighbor.append(cc),
|
|
};
|
|
child.insert(link);
|
|
self.schedule_layout();
|
|
return;
|
|
}
|
|
}
|
|
// CASE 3: We're moving the child out of the container.
|
|
let mut neighbor = self.clone();
|
|
let mut parent_opt = self.parent.get().into_container();
|
|
while let Some(parent) = &parent_opt {
|
|
if parent.split.get() == split {
|
|
break;
|
|
}
|
|
neighbor = parent.clone();
|
|
parent_opt = parent.parent.get().into_container();
|
|
}
|
|
let parent = match parent_opt {
|
|
Some(p) => p,
|
|
_ => return,
|
|
};
|
|
self.clone().remove_child(&*child);
|
|
match prev {
|
|
true => parent.add_child_before(&*neighbor, child.clone()),
|
|
false => parent.add_child_after(&*neighbor, child.clone()),
|
|
}
|
|
}
|
|
|
|
fn absolute_position(&self) -> Rect {
|
|
Rect::new_sized(
|
|
self.abs_x1.get(),
|
|
self.abs_y1.get(),
|
|
self.width.get(),
|
|
self.height.get(),
|
|
)
|
|
.unwrap()
|
|
}
|
|
|
|
fn active_changed(&self, active: bool) {
|
|
self.parent.get().child_active_changed(self, active);
|
|
}
|
|
|
|
fn button(self: Rc<Self>, seat: &Rc<WlSeatGlobal>, button: u32, state: KeyState) {
|
|
if button != BTN_LEFT {
|
|
return;
|
|
}
|
|
let title_height = self.state.theme.title_height.get();
|
|
let mut seat_datas = self.seats.borrow_mut();
|
|
let seat_data = match seat_datas.get_mut(&seat.id()) {
|
|
Some(s) => s,
|
|
_ => return,
|
|
};
|
|
if seat_data.op.is_none() {
|
|
if state != KeyState::Pressed {
|
|
return;
|
|
}
|
|
let (kind, child) = 'res: {
|
|
if self.mono_child.get().is_some() {
|
|
let width_per_child = self.width.get() / self.num_children.get() as i32;
|
|
let mut width_per_child_rem = self.width.get() % self.num_children.get() as i32;
|
|
let mut pos = 0;
|
|
for child in self.children.iter() {
|
|
pos += width_per_child;
|
|
if width_per_child_rem > 0 {
|
|
pos += 1;
|
|
width_per_child_rem -= 1;
|
|
}
|
|
if pos > seat_data.x {
|
|
break 'res (SeatOpKind::Move, child);
|
|
}
|
|
}
|
|
} else if self.split.get() == ContainerSplit::Horizontal {
|
|
for child in self.children.iter() {
|
|
let body = child.body.get();
|
|
if seat_data.x < body.x2() {
|
|
let op = if seat_data.x < body.x1() {
|
|
SeatOpKind::Resize {
|
|
dist_left: seat_data.x - child.prev().unwrap().body.get().x2(),
|
|
dist_right: body.x1() - seat_data.x,
|
|
}
|
|
} else {
|
|
SeatOpKind::Move
|
|
};
|
|
break 'res (op, child);
|
|
}
|
|
}
|
|
} else {
|
|
for child in self.children.iter() {
|
|
let body = child.body.get();
|
|
if seat_data.y < body.y1() {
|
|
let op = if seat_data.y < body.y1() - title_height - 1 {
|
|
SeatOpKind::Resize {
|
|
dist_left: seat_data.y - child.prev().unwrap().body.get().y2(),
|
|
dist_right: body.y1() - seat_data.y,
|
|
}
|
|
} else {
|
|
SeatOpKind::Move
|
|
};
|
|
break 'res (op, child);
|
|
}
|
|
}
|
|
};
|
|
return;
|
|
};
|
|
seat_data.op = Some(SeatOp { child, kind })
|
|
} else if state == KeyState::Released {
|
|
let op = seat_data.op.take().unwrap();
|
|
drop(seat_datas);
|
|
if op.kind == SeatOpKind::Move {
|
|
// todo
|
|
}
|
|
}
|
|
}
|
|
|
|
fn focus_parent(&self, seat: &Rc<WlSeatGlobal>) {
|
|
self.parent.get().focus_self(seat);
|
|
}
|
|
|
|
fn find_tree_at(&self, x: i32, y: i32, tree: &mut Vec<FoundNode>) -> FindTreeResult {
|
|
let mut recurse = |content: Rect, child: NodeRef<ContainerChild>| {
|
|
if content.contains(x, y) {
|
|
let (x, y) = content.translate(x, y);
|
|
tree.push(FoundNode {
|
|
node: child.node.clone(),
|
|
x,
|
|
y,
|
|
});
|
|
child.node.find_tree_at(x, y, tree);
|
|
}
|
|
};
|
|
if let Some(child) = self.mono_child.get() {
|
|
recurse(self.mono_content.get(), child);
|
|
} else {
|
|
for child in self.children.iter() {
|
|
if child.body.get().contains(x, y) {
|
|
recurse(child.content.get(), child);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
FindTreeResult::AcceptsInput
|
|
}
|
|
|
|
fn replace_child(self: Rc<Self>, old: &dyn Node, new: Rc<dyn Node>) {
|
|
let node = match self.child_nodes.borrow_mut().remove(&old.id()) {
|
|
Some(c) => c,
|
|
None => return,
|
|
};
|
|
let link = node.append(ContainerChild {
|
|
node: new.clone(),
|
|
active: Cell::new(false),
|
|
body: Cell::new(node.body.get()),
|
|
content: Cell::new(node.content.get()),
|
|
factor: Cell::new(node.factor.get()),
|
|
focus: Cell::new(node.focus.get()),
|
|
title: Default::default(),
|
|
title_texture: Default::default(),
|
|
});
|
|
let body = link.body.get();
|
|
drop(node);
|
|
self.child_nodes.borrow_mut().insert(new.id(), link);
|
|
new.clone().set_parent(self.clone());
|
|
new.clone().set_workspace(&self.workspace.get());
|
|
let body = body.move_(self.abs_x1.get(), self.abs_y1.get());
|
|
new.clone().change_extents(&body);
|
|
}
|
|
|
|
fn remove_child(self: Rc<Self>, child: &dyn Node) {
|
|
let node = match self.child_nodes.borrow_mut().remove(&child.id()) {
|
|
Some(c) => c.to_ref(),
|
|
None => return,
|
|
};
|
|
let num_children = self.num_children.fetch_sub(1) - 1;
|
|
if num_children == 0 {
|
|
self.seats.borrow_mut().clear();
|
|
self.parent.get().remove_child(&*self);
|
|
return;
|
|
}
|
|
self.update_content_size();
|
|
let rem = 1.0 - node.factor.get();
|
|
let mut sum = 0.0;
|
|
if rem <= 0.0 {
|
|
let factor = 1.0 / num_children as f64;
|
|
for child in self.children.iter() {
|
|
child.factor.set(factor)
|
|
}
|
|
sum = 1.0;
|
|
} else {
|
|
for child in self.children.iter() {
|
|
let factor = child.factor.get() / rem;
|
|
child.factor.set(factor);
|
|
sum += factor;
|
|
}
|
|
}
|
|
self.sum_factors.set(sum);
|
|
self.schedule_layout();
|
|
self.cancel_seat_ops();
|
|
}
|
|
|
|
fn child_size_changed(&self, child: &dyn Node, width: i32, height: i32) {
|
|
let cn = self.child_nodes.borrow();
|
|
if let Some(node) = cn.get(&child.id()) {
|
|
let rect = Rect::new(0, 0, width, height).unwrap();
|
|
node.content.set(rect);
|
|
node.position_content();
|
|
}
|
|
}
|
|
|
|
fn child_active_changed(&self, child: &dyn Node, active: bool) {
|
|
let node = match self.child_nodes.borrow_mut().get(&child.id()) {
|
|
Some(l) => l.to_ref(),
|
|
None => return,
|
|
};
|
|
node.active.set(active);
|
|
}
|
|
|
|
fn enter(self: Rc<Self>, seat: &Rc<WlSeatGlobal>, x: Fixed, y: Fixed) {
|
|
self.pointer_move(seat, x.round_down(), y.round_down());
|
|
}
|
|
|
|
fn pointer_untarget(&self, seat: &Rc<WlSeatGlobal>) {
|
|
let mut seats = self.seats.borrow_mut();
|
|
if let Some(seat_state) = seats.get_mut(&seat.id()) {
|
|
seat_state.target = false;
|
|
}
|
|
}
|
|
|
|
fn pointer_target(&self, seat: &Rc<WlSeatGlobal>) {
|
|
let mut seats = self.seats.borrow_mut();
|
|
if let Some(seat_state) = seats.get_mut(&seat.id()) {
|
|
seat_state.target = true;
|
|
seat.set_known_cursor(seat_state.cursor);
|
|
}
|
|
}
|
|
|
|
fn motion(self: Rc<Self>, seat: &Rc<WlSeatGlobal>, x: Fixed, y: Fixed) {
|
|
self.pointer_move(seat, x.round_down(), y.round_down());
|
|
}
|
|
|
|
fn render(&self, renderer: &mut Renderer, x: i32, y: i32) {
|
|
renderer.render_container(self, x, y);
|
|
}
|
|
|
|
fn into_container(self: Rc<Self>) -> Option<Rc<ContainerNode>> {
|
|
Some(self)
|
|
}
|
|
|
|
fn is_container(&self) -> bool {
|
|
true
|
|
}
|
|
|
|
fn accepts_child(&self, _node: &dyn Node) -> bool {
|
|
true
|
|
}
|
|
|
|
fn change_extents(self: Rc<Self>, rect: &Rect) {
|
|
self.abs_x1.set(rect.x1());
|
|
self.abs_y1.set(rect.y1());
|
|
let mut size_changed = false;
|
|
size_changed |= self.width.replace(rect.width()) != rect.width();
|
|
size_changed |= self.height.replace(rect.height()) != rect.height();
|
|
if size_changed {
|
|
self.update_content_size();
|
|
self.perform_layout();
|
|
self.cancel_seat_ops();
|
|
self.parent
|
|
.get()
|
|
.child_size_changed(&*self, rect.width(), rect.height());
|
|
} else {
|
|
for child in self.children.iter() {
|
|
let body = child.body.get().move_(self.abs_x1.get(), self.abs_y1.get());
|
|
child.node.clone().change_extents(&body);
|
|
}
|
|
}
|
|
}
|
|
|
|
fn set_workspace(self: Rc<Self>, ws: &Rc<WorkspaceNode>) {
|
|
for child in self.children.iter() {
|
|
child.node.clone().set_workspace(ws);
|
|
}
|
|
self.workspace.set(ws.clone());
|
|
}
|
|
|
|
fn set_parent(self: Rc<Self>, parent: Rc<dyn Node>) {
|
|
self.parent.set(parent.clone());
|
|
parent.child_size_changed(&*self, self.width.get(), self.height.get());
|
|
parent
|
|
.clone()
|
|
.child_title_changed(&*self, self.title.borrow_mut().deref());
|
|
}
|
|
}
|
|
|
|
fn direction_to_split(dir: Direction) -> (ContainerSplit, bool) {
|
|
match dir {
|
|
Direction::Left => (ContainerSplit::Horizontal, true),
|
|
Direction::Down => (ContainerSplit::Vertical, false),
|
|
Direction::Up => (ContainerSplit::Vertical, true),
|
|
Direction::Right => (ContainerSplit::Horizontal, false),
|
|
}
|
|
}
|