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shell: handle fullscreen windows on a dedicated layer

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I hoped to split this up into multiple commits, but the api
changes to `shell/workspace.rs` were to invasive to feasibly do this.

Here is a rough list of changes:

- Fullscreen windows aren't mapped to other layers anymore
  - This they need their own logic for:
    - Sending frames
    - Dmabuf Feedback
    - Primary outputs
    - On commit handlers
    - cursor tests
  - They get their own unmap/remap logic
  - They get a new restore state similar to minimized windows
    - Refactored the minimized window state to reuse as much as possible
      here
  - They need to be part of focus stacks, which means adjusting them
    to a new type `FocusTarget` as they previously only handled
    `CosmicMapped`.
  - Various shell handlers (minimize, move, menu) now have dedicated
    logic for fullscreen surfaces
    - This was partially necessary due to relying on CosmicSurface now,
      partially because they should've had their own logic from the
      start. E.g. the context menu is now reflecting the fullscreen
      state
- Fullscreen windows may be rendered behind other windows now, when they
  loose focus.
  - This needed changes to input handling / rendering
This commit is contained in:
Victoria Brekenfeld 2025-06-25 17:54:27 +02:00 • committed by Victoria Brekenfeld
parent 8ef6c161a0
commit adedb705e7
23 changed files with 2554 additions and 1796 deletions
Download patch file Download diff file Expand all files Collapse all files

173
src/wayland/handlers/xdg_shell/mod.rs
View file

@ -1,12 +1,8 @@
// SPDX-License-Identifier: GPL-3.0-only
use crate::{
shell::{
element::CosmicWindow, grabs::ReleaseMode, CosmicMapped, CosmicSurface, ManagedLayer,
PendingWindow,
},
shell::{grabs::ReleaseMode, CosmicSurface, PendingWindow},
utils::prelude::*,
wayland::protocols::toplevel_info::{toplevel_enter_output, toplevel_enter_workspace},
};
use smithay::{
delegate_xdg_shell,
@ -33,7 +29,7 @@ use smithay::{
use std::cell::Cell;
use tracing::warn;
use super::{compositor::client_compositor_state, toplevel_management::minimize_rectangle};
use super::compositor::client_compositor_state;
pub mod popup;
@ -204,20 +200,14 @@ impl XdgShellHandler for State {
fn minimize_request(&mut self, surface: ToplevelSurface) {
let mut shell = self.common.shell.write();
if let Some(mapped) = shell.element_for_surface(surface.wl_surface()).cloned() {
if !mapped.is_stack()
|| mapped.active_window().wl_surface().as_deref() == Some(surface.wl_surface())
{
shell.minimize_request(&mapped)
}
}
shell.minimize_request(surface.wl_surface())
}
fn maximize_request(&mut self, surface: ToplevelSurface) {
let mut shell = self.common.shell.write();
if let Some(mapped) = shell.element_for_surface(surface.wl_surface()).cloned() {
let seat = shell.seats.last_active().clone();
shell.maximize_request(&mapped, &seat, true)
shell.maximize_request(&mapped, &seat, true, &self.common.event_loop_handle)
} else if let Some(pending) = shell
.pending_windows
.iter_mut()
@ -243,153 +233,40 @@ impl XdgShellHandler for State {
fn fullscreen_request(&mut self, surface: ToplevelSurface, output: Option<WlOutput>) {
let mut shell = self.common.shell.write();
let seat = shell.seats.last_active().clone();
let Some(focused_output) = seat.focused_output() else {
return;
};
let output = output
.as_ref()
.and_then(Output::from_resource)
.unwrap_or_else(|| focused_output.clone());
.or_else(|| {
shell
.visible_output_for_surface(surface.wl_surface())
.cloned()
})
.unwrap_or_else(|| seat.focused_or_active_output());
if let Some(mapped) = shell.element_for_surface(surface.wl_surface()).cloned() {
let from = minimize_rectangle(&output, &mapped.active_window());
if let Some(set) = shell
.workspaces
.sets
.values_mut()
.find(|set| set.sticky_layer.mapped().any(|m| m == &mapped))
{
let mapped = if mapped
.stack_ref()
.map(|stack| stack.len() > 1)
.unwrap_or(false)
{
let stack = mapped.stack_ref().unwrap();
let surface = stack
.surfaces()
.find(|s| s.wl_surface().as_deref() == Some(surface.wl_surface()))
.unwrap();
stack.remove_window(&surface);
CosmicMapped::from(CosmicWindow::new(
surface,
self.common.event_loop_handle.clone(),
self.common.theme.clone(),
))
} else {
set.sticky_layer.unmap(&mapped);
mapped
};
let workspace_handle = shell.active_space(&output).unwrap().handle.clone();
for (window, _) in mapped.windows() {
toplevel_enter_output(&window, &output);
toplevel_enter_workspace(&window, &workspace_handle);
}
let workspace = shell.active_space_mut(&output).unwrap();
workspace.floating_layer.map(mapped.clone(), None);
workspace.fullscreen_request(
&mapped.active_window(),
Some((ManagedLayer::Sticky, workspace_handle)),
from,
&seat,
);
} else if let Some(workspace) = shell.space_for_mut(&mapped) {
if workspace.output != output {
let (mapped, layer) = if mapped
.stack_ref()
.map(|stack| stack.len() > 1)
.unwrap_or(false)
{
let stack = mapped.stack_ref().unwrap();
let surface = stack
.surfaces()
.find(|s| s.wl_surface().as_deref() == Some(surface.wl_surface()))
.unwrap();
stack.remove_window(&surface);
(
CosmicMapped::from(CosmicWindow::new(
surface,
self.common.event_loop_handle.clone(),
self.common.theme.clone(),
)),
if workspace.is_tiled(&mapped) {
ManagedLayer::Tiling
} else {
ManagedLayer::Floating
},
)
} else {
let layer = workspace.unmap(&mapped).unwrap().layer;
(mapped, layer)
};
let handle = workspace.handle.clone();
let workspace_handle = shell.active_space(&output).unwrap().handle.clone();
for (window, _) in mapped.windows() {
toplevel_enter_output(&window, &output);
toplevel_enter_workspace(&window, &workspace_handle);
}
let workspace = shell.active_space_mut(&output).unwrap();
workspace.floating_layer.map(mapped.clone(), None);
workspace.fullscreen_request(
&mapped.active_window(),
Some((layer, handle)),
from,
&seat,
);
} else {
let (window, _) = mapped
.windows()
.find(|(w, _)| w.wl_surface().as_deref() == Some(surface.wl_surface()))
.unwrap();
workspace.fullscreen_request(&window, None, from, &seat)
match shell.fullscreen_request(&surface, output.clone(), &self.common.event_loop_handle) {
Some(target) => {
std::mem::drop(shell);
Shell::set_focus(self, Some(&target), &seat, None, true);
}
None => {
if let Some(pending) = shell.pending_windows.iter_mut().find(|pending| {
pending.surface.wl_surface().as_deref() == Some(surface.wl_surface())
}) {
pending.fullscreen = Some(output);
}
}
} else if let Some(pending) = shell
.pending_windows
.iter_mut()
.find(|pending| pending.surface.wl_surface().as_deref() == Some(surface.wl_surface()))
{
pending.fullscreen = Some(output);
}
}
fn unfullscreen_request(&mut self, surface: ToplevelSurface) {
let mut shell = self.common.shell.write();
if let Some(mapped) = shell.element_for_surface(surface.wl_surface()).cloned() {
if let Some(workspace) = shell.space_for_mut(&mapped) {
let (window, _) = mapped
.windows()
.find(|(w, _)| w.wl_surface().as_deref() == Some(surface.wl_surface()))
.unwrap();
if let Some((layer, previous_workspace)) = workspace.unfullscreen_request(&window) {
let old_handle = workspace.handle.clone();
let new_workspace_handle = shell
.workspaces
.space_for_handle(&previous_workspace)
.is_some()
.then_some(previous_workspace)
.unwrap_or(old_handle); // if the workspace doesn't exist anymore, we can still remap on the right layer
shell.remap_unfullscreened_window(
mapped,
&old_handle,
&new_workspace_handle,
layer,
);
}
if !shell.unfullscreen_request(&surface, &self.common.event_loop_handle) {
if let Some(pending) = shell.pending_windows.iter_mut().find(|pending| {
pending.surface.wl_surface().as_deref() == Some(surface.wl_surface())
}) {
pending.fullscreen.take();
}
} else if let Some(pending) = shell
.pending_windows
.iter_mut()
.find(|pending| pending.surface.wl_surface().as_deref() == Some(surface.wl_surface()))
{
pending.fullscreen.take();
}
}