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|
use niri_config::{BlockOutFrom, Match, WindowRule};
use smithay::reexports::wayland_protocols::xdg::shell::server::xdg_toplevel;
use smithay::wayland::compositor::with_states;
use smithay::wayland::shell::xdg::{
ToplevelSurface, XdgToplevelSurfaceData, XdgToplevelSurfaceRoleAttributes,
};
use crate::layout::workspace::ColumnWidth;
pub mod mapped;
pub use mapped::Mapped;
pub mod unmapped;
pub use unmapped::{InitialConfigureState, Unmapped};
/// Reference to a mapped or unmapped window.
#[derive(Debug, Clone, Copy)]
pub enum WindowRef<'a> {
Unmapped(&'a Unmapped),
Mapped(&'a Mapped),
}
/// Rules fully resolved for a window.
#[derive(Debug, PartialEq)]
pub struct ResolvedWindowRules {
/// Default width for this window.
///
/// - `None`: unset (global default should be used).
/// - `Some(None)`: set to empty (window picks its own width).
/// - `Some(Some(width))`: set to a particular width.
pub default_width: Option<Option<ColumnWidth>>,
/// Output to open this window on.
pub open_on_output: Option<String>,
/// Whether the window should open full-width.
pub open_maximized: Option<bool>,
/// Whether the window should open fullscreen.
pub open_fullscreen: Option<bool>,
/// Extra bound on the minimum window width.
pub min_width: Option<u16>,
/// Extra bound on the minimum window height.
pub min_height: Option<u16>,
/// Extra bound on the maximum window width.
pub max_width: Option<u16>,
/// Extra bound on the maximum window height.
pub max_height: Option<u16>,
/// Whether or not to draw the border with a solid background.
///
/// `None` means using the SSD heuristic.
pub draw_border_with_background: Option<bool>,
/// Extra opacity to draw this window with.
pub opacity: Option<f32>,
/// Whether to block out this window from certain render targets.
pub block_out_from: Option<BlockOutFrom>,
}
impl<'a> WindowRef<'a> {
pub fn toplevel(self) -> &'a ToplevelSurface {
match self {
WindowRef::Unmapped(unmapped) => unmapped.toplevel(),
WindowRef::Mapped(mapped) => mapped.toplevel(),
}
}
pub fn is_focused(self) -> bool {
match self {
WindowRef::Unmapped(_) => false,
WindowRef::Mapped(mapped) => mapped.is_focused(),
}
}
}
impl ResolvedWindowRules {
pub const fn empty() -> Self {
Self {
default_width: None,
open_on_output: None,
open_maximized: None,
open_fullscreen: None,
min_width: None,
min_height: None,
max_width: None,
max_height: None,
draw_border_with_background: None,
opacity: None,
block_out_from: None,
}
}
pub fn compute(rules: &[WindowRule], window: WindowRef) -> Self {
let _span = tracy_client::span!("ResolvedWindowRules::compute");
let mut resolved = ResolvedWindowRules::empty();
let toplevel = window.toplevel();
with_states(toplevel.wl_surface(), |states| {
let mut role = states
.data_map
.get::<XdgToplevelSurfaceData>()
.unwrap()
.lock()
.unwrap();
// Ensure server_pending like in Smithay's with_pending_state().
if role.server_pending.is_none() {
role.server_pending = Some(role.current_server_state().clone());
}
let mut open_on_output = None;
for rule in rules {
let matches = |m| window_matches(window, &role, m);
if !(rule.matches.is_empty() || rule.matches.iter().any(matches)) {
continue;
}
if rule.excludes.iter().any(matches) {
continue;
}
if let Some(x) = rule
.default_column_width
.as_ref()
.map(|d| d.0.map(ColumnWidth::from))
{
resolved.default_width = Some(x);
}
if let Some(x) = rule.open_on_output.as_deref() {
open_on_output = Some(x);
}
if let Some(x) = rule.open_maximized {
resolved.open_maximized = Some(x);
}
if let Some(x) = rule.open_fullscreen {
resolved.open_fullscreen = Some(x);
}
if let Some(x) = rule.min_width {
resolved.min_width = Some(x);
}
if let Some(x) = rule.min_height {
resolved.min_height = Some(x);
}
if let Some(x) = rule.max_width {
resolved.max_width = Some(x);
}
if let Some(x) = rule.max_height {
resolved.max_height = Some(x);
}
if let Some(x) = rule.draw_border_with_background {
resolved.draw_border_with_background = Some(x);
}
if let Some(x) = rule.opacity {
resolved.opacity = Some(x);
}
if let Some(x) = rule.block_out_from {
resolved.block_out_from = Some(x);
}
}
resolved.open_on_output = open_on_output.map(|x| x.to_owned());
});
resolved
}
}
fn window_matches(window: WindowRef, role: &XdgToplevelSurfaceRoleAttributes, m: &Match) -> bool {
// Must be ensured by the caller.
let server_pending = role.server_pending.as_ref().unwrap();
if let Some(is_focused) = m.is_focused {
if window.is_focused() != is_focused {
return false;
}
}
if let Some(is_active) = m.is_active {
// Our "is-active" definition corresponds to the window having a pending Activated state.
let pending_activated = server_pending
.states
.contains(xdg_toplevel::State::Activated);
if is_active != pending_activated {
return false;
}
}
if let Some(app_id_re) = &m.app_id {
let Some(app_id) = &role.app_id else {
return false;
};
if !app_id_re.is_match(app_id) {
return false;
}
}
if let Some(title_re) = &m.title {
let Some(title) = &role.title else {
return false;
};
if !title_re.is_match(title) {
return false;
}
}
true
}
|
