river: improve comments on pending/inflight/current

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Isaac Freund 2023-03-06 16:30:42 +01:00
parent 05e8fbc8b9
commit 684f26acac
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2 changed files with 15 additions and 4 deletions

View File

@ -94,13 +94,12 @@ lock_render_state: enum {
/// The state of the output that is directly acted upon/modified through user input.
///
/// Pending state will be copied to the pending state and communicated to clients
/// Pending state will be copied to the inflight state and communicated to clients
/// to be applied as a single atomic transaction across all clients as soon as any
/// in progress transaction has been completed.
///
/// On completion of a transaction
/// Any time pending state is modified Root.dirty must be set.
///
/// Any time pending state is modified Root.applyPending() must be called
/// before yielding back to the event loop.
pending: struct {
/// A bit field of focused tags
tags: u32 = 1 << 0,

View File

@ -130,14 +130,26 @@ mapped: bool = false,
/// transaction completes. See View.destroy()
destroying: bool = false,
/// The state of the view that is directly acted upon/modified through user input.
///
/// Pending state will be copied to the inflight state and communicated to clients
/// to be applied as a single atomic transaction across all clients as soon as any
/// in progress transaction has been completed.
///
/// Any time pending state is modified Root.applyPending() must be called
/// before yielding back to the event loop.
pending: State = .{},
pending_focus_stack_link: wl.list.Link,
pending_wm_stack_link: wl.list.Link,
/// The state most recently sent to the layout generator and clients.
/// This state is immutable until all clients have replied and the transaction
/// is completed, at which point this inflight state is copied to current.
inflight: State = .{},
inflight_focus_stack_link: wl.list.Link,
inflight_wm_stack_link: wl.list.Link,
/// The current state represented by the scene graph.
current: State = .{},
/// The floating dimensions the view, saved so that they can be restored if the