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use std::cmp::{max, min};
use smithay::backend::renderer::element::{AsRenderElements as _, Id};
use smithay::desktop::space::SpaceElement as _;
use smithay::desktop::Window;
use smithay::output::Output;
use smithay::reexports::wayland_protocols::xdg::decoration::zv1::server::zxdg_toplevel_decoration_v1;
use smithay::reexports::wayland_protocols::xdg::shell::server::xdg_toplevel;
use smithay::reexports::wayland_server::protocol::wl_surface::WlSurface;
use smithay::utils::{Logical, Point, Rectangle, Scale, Size, Transform};
use smithay::wayland::compositor::{send_surface_state, with_states};
use smithay::wayland::shell::xdg::{SurfaceCachedState, ToplevelSurface};
use super::ResolvedWindowRules;
use crate::layout::{LayoutElement, LayoutElementRenderElement};
use crate::niri::WindowOffscreenId;
use crate::render_helpers::renderer::NiriRenderer;
#[derive(Debug)]
pub struct Mapped {
pub window: Window,
/// Up-to-date rules.
pub rules: ResolvedWindowRules,
}
impl Mapped {
pub fn new(window: Window, rules: ResolvedWindowRules) -> Self {
Self { window, rules }
}
pub fn toplevel(&self) -> &ToplevelSurface {
self.window.toplevel().expect("no X11 support")
}
}
impl LayoutElement for Mapped {
type Id = Window;
fn id(&self) -> &Self::Id {
&self.window
}
fn size(&self) -> Size<i32, Logical> {
self.window.geometry().size
}
fn buf_loc(&self) -> Point<i32, Logical> {
Point::from((0, 0)) - self.window.geometry().loc
}
fn is_in_input_region(&self, point: Point<f64, Logical>) -> bool {
let surface_local = point + self.window.geometry().loc.to_f64();
self.window.is_in_input_region(&surface_local)
}
fn render<R: NiriRenderer>(
&self,
renderer: &mut R,
location: Point<i32, Logical>,
scale: Scale<f64>,
) -> Vec<LayoutElementRenderElement<R>> {
let buf_pos = location - self.window.geometry().loc;
self.window.render_elements(
renderer,
buf_pos.to_physical_precise_round(scale),
scale,
1.,
)
}
fn request_size(&self, size: Size<i32, Logical>) {
self.toplevel().with_pending_state(|state| {
state.size = Some(size);
state.states.unset(xdg_toplevel::State::Fullscreen);
});
}
fn request_fullscreen(&self, size: Size<i32, Logical>) {
self.toplevel().with_pending_state(|state| {
state.size = Some(size);
state.states.set(xdg_toplevel::State::Fullscreen);
});
}
fn min_size(&self) -> Size<i32, Logical> {
let mut size = with_states(self.toplevel().wl_surface(), |state| {
let curr = state.cached_state.current::<SurfaceCachedState>();
curr.min_size
});
if let Some(x) = self.rules.min_width {
size.w = max(size.w, i32::from(x));
}
if let Some(x) = self.rules.min_height {
size.h = max(size.h, i32::from(x));
}
size
}
fn max_size(&self) -> Size<i32, Logical> {
let mut size = with_states(self.toplevel().wl_surface(), |state| {
let curr = state.cached_state.current::<SurfaceCachedState>();
curr.max_size
});
if let Some(x) = self.rules.max_width {
if size.w == 0 {
size.w = i32::from(x);
} else if x > 0 {
size.w = min(size.w, i32::from(x));
}
}
if let Some(x) = self.rules.max_height {
if size.h == 0 {
size.h = i32::from(x);
} else if x > 0 {
size.h = min(size.h, i32::from(x));
}
}
size
}
fn is_wl_surface(&self, wl_surface: &WlSurface) -> bool {
self.toplevel().wl_surface() == wl_surface
}
fn set_preferred_scale_transform(&self, scale: i32, transform: Transform) {
self.window.with_surfaces(|surface, data| {
send_surface_state(surface, data, scale, transform);
});
}
fn has_ssd(&self) -> bool {
self.toplevel().current_state().decoration_mode
== Some(zxdg_toplevel_decoration_v1::Mode::ServerSide)
}
fn output_enter(&self, output: &Output) {
let overlap = Rectangle::from_loc_and_size((0, 0), (i32::MAX, i32::MAX));
self.window.output_enter(output, overlap)
}
fn output_leave(&self, output: &Output) {
self.window.output_leave(output)
}
fn set_offscreen_element_id(&self, id: Option<Id>) {
let data = self
.window
.user_data()
.get_or_insert(WindowOffscreenId::default);
data.0.replace(id);
}
fn set_activated(&self, active: bool) {
self.window.set_activated(active);
}
fn set_bounds(&self, bounds: Size<i32, Logical>) {
self.toplevel().with_pending_state(|state| {
state.bounds = Some(bounds);
});
}
fn send_pending_configure(&self) {
self.toplevel().send_pending_configure();
}
fn is_fullscreen(&self) -> bool {
self.toplevel()
.current_state()
.states
.contains(xdg_toplevel::State::Fullscreen)
}
fn is_pending_fullscreen(&self) -> bool {
self.toplevel()
.with_pending_state(|state| state.states.contains(xdg_toplevel::State::Fullscreen))
}
fn refresh(&self) {
self.window.refresh();
}
fn rules(&self) -> &ResolvedWindowRules {
&self.rules
}
}
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