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wry/src/tree/output.rs
2022-03-29 14:11:25 +02:00

117 lines
3.3 KiB
Rust

use crate::cursor::KnownCursor;
use crate::ifs::wl_output::WlOutputGlobal;
use crate::ifs::wl_seat::{NodeSeatState, WlSeatGlobal};
use crate::ifs::wl_surface::zwlr_layer_surface_v1::ZwlrLayerSurfaceV1;
use crate::rect::Rect;
use crate::render::Renderer;
use crate::tree::walker::NodeVisitor;
use crate::tree::{DisplayNode, FindTreeResult, FoundNode, Node, NodeId, WorkspaceNode};
use crate::utils::clonecell::CloneCell;
use crate::utils::linkedlist::LinkedList;
use std::cell::{Cell, RefCell};
use std::fmt::{Debug, Formatter};
use std::ops::Deref;
use std::rc::Rc;
tree_id!(OutputNodeId);
pub struct OutputNode {
pub display: Rc<DisplayNode>,
pub id: OutputNodeId,
pub position: Cell<Rect>,
pub global: Rc<WlOutputGlobal>,
pub workspaces: RefCell<Vec<Rc<WorkspaceNode>>>,
pub workspace: CloneCell<Option<Rc<WorkspaceNode>>>,
pub seat_state: NodeSeatState,
pub layers: [LinkedList<Rc<ZwlrLayerSurfaceV1>>; 4],
}
impl Debug for OutputNode {
fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
f.debug_struct("OutputNode").finish_non_exhaustive()
}
}
impl Node for OutputNode {
fn id(&self) -> NodeId {
self.id.into()
}
fn seat_state(&self) -> &NodeSeatState {
&self.seat_state
}
fn destroy_node(&self, detach: bool) {
if detach {
self.display.clone().remove_child(self);
}
let mut workspaces = self.workspaces.borrow_mut();
for workspace in workspaces.drain(..) {
workspace.destroy_node(false);
}
self.seat_state.destroy_node(self);
}
fn visit(self: Rc<Self>, visitor: &mut dyn NodeVisitor) {
visitor.visit_output(&self);
}
fn visit_children(&self, visitor: &mut dyn NodeVisitor) {
let ws = self.workspaces.borrow_mut();
for ws in ws.deref() {
visitor.visit_workspace(ws);
}
for layers in &self.layers {
for surface in layers.iter() {
visitor.visit_layer_surface(surface.deref());
}
}
}
fn absolute_position(&self) -> Rect {
self.position.get()
}
fn find_tree_at(&self, x: i32, y: i32, tree: &mut Vec<FoundNode>) -> FindTreeResult {
if let Some(ws) = self.workspace.get() {
tree.push(FoundNode {
node: ws.clone(),
x,
y,
});
ws.find_tree_at(x, y, tree);
}
FindTreeResult::AcceptsInput
}
fn remove_child(self: Rc<Self>, _child: &dyn Node) {
self.workspace.set(None);
}
fn pointer_focus(&self, seat: &Rc<WlSeatGlobal>) {
seat.set_known_cursor(KnownCursor::Default);
}
fn render(&self, renderer: &mut Renderer, x: i32, y: i32) {
renderer.render_output(self, x, y);
}
fn is_output(&self) -> bool {
true
}
fn into_output(self: Rc<Self>) -> Option<Rc<OutputNode>> {
Some(self)
}
fn change_extents(self: Rc<Self>, rect: &Rect) {
self.position.set(*rect);
if let Some(c) = self.workspace.get() {
c.change_extents(rect);
}
for layer in &self.layers {
for surface in layer.iter() {
surface.deref().clone().change_extents(rect);
}
}
}
}