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Add ext-session-lock protocol
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@ids1024
ids1024 committed Oct 26, 2023
1 parent 7300e23 commit 37930cd
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Showing 7 changed files with 317 additions and 73 deletions.
38 changes: 36 additions & 2 deletions src/backend/render/mod.rs
View file
Original file line number Diff line number Diff line change
Expand Up @@ -16,7 +16,7 @@ use crate::{
focus::target::WindowGroup, grabs::SeatMoveGrabState, layout::tiling::ANIMATION_DURATION,
CosmicMapped, CosmicMappedRenderElement, OverviewMode, Trigger, WorkspaceRenderElement,
},
state::{Common, Fps},
state::{Common, Fps, SessionLock},
utils::prelude::*,
wayland::{
handlers::{
Expand All @@ -42,7 +42,7 @@ use smithay::{
buffer_dimensions,
damage::{Error as RenderError, OutputDamageTracker, RenderOutputResult},
element::{
surface::render_elements_from_surface_tree,
surface::{render_elements_from_surface_tree, WaylandSurfaceRenderElement},
utils::{Relocate, RelocateRenderElement},
Element, Id, Kind, RenderElement,
},
Expand Down Expand Up @@ -487,6 +487,16 @@ where
}
}

// If session locked, only show session lock surfaces
if let Some(session_lock) = &state.session_lock {
elements.extend(
session_lock_elements(renderer, output, session_lock)
.into_iter()
.map(|x| WorkspaceRenderElement::from(x).into()),
);
return Ok(elements);
}

let overview = state.shell.overview_mode();
let (resize_mode, resize_indicator) = state.shell.resize_mode();
let resize_indicator = resize_indicator.map(|indicator| (resize_mode, indicator));
Expand Down Expand Up @@ -783,6 +793,30 @@ where
(layer_elements, popup_elements)
}

fn session_lock_elements<R>(
renderer: &mut R,
output: &Output,
session_lock: &SessionLock,
) -> Vec<WaylandSurfaceRenderElement<R>>
where
R: Renderer + ImportAll,
<R as Renderer>::TextureId: Clone + 'static,
{
if let Some(surface) = session_lock.surfaces.get(output) {
let scale = Scale::from(output.current_scale().fractional_scale());
render_elements_from_surface_tree(
renderer,
surface.wl_surface(),
(0, 0),
scale,
1.0,
Kind::Unspecified,
)
} else {
Vec::new()
}
}

pub fn render_output<R, Target, OffTarget, Source>(
gpu: Option<&DrmNode>,
renderer: &mut R,
Expand Down
26 changes: 24 additions & 2 deletions src/input/mod.rs
View file
Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,7 @@ use crate::{
Direction, FocusResult, MoveResult, OverviewMode, ResizeDirection, ResizeMode, Trigger,
Workspace,
},
state::Common,
state::{Common, SessionLock},
utils::prelude::*,
wayland::{handlers::screencopy::ScreencopySessions, protocols::screencopy::Session},
};
Expand Down Expand Up @@ -565,6 +565,7 @@ impl State {
&self.common.shell.override_redirect_windows,
overview.0.clone(),
workspace,
self.common.session_lock.as_ref(),
)
.map(|(target, pos)| (target, pos.as_logical()));

Expand Down Expand Up @@ -646,6 +647,7 @@ impl State {
&self.common.shell.override_redirect_windows,
overview.0,
workspace,
self.common.session_lock.as_ref(),
)
.map(|(target, pos)| (target, pos.as_logical()));

Expand Down Expand Up @@ -776,6 +778,7 @@ impl State {
&self.common.shell.override_redirect_windows,
overview.0,
workspace,
self.common.session_lock.as_ref(),
)
.map(|(target, pos)| (target, pos.as_logical()));

Expand Down Expand Up @@ -852,7 +855,12 @@ impl State {
let workspace = self.common.shell.active_space_mut(&output);
let mut under = None;

if let Some(window) = workspace.get_fullscreen() {
if let Some(session_lock) = self.common.session_lock.as_ref() {
under = session_lock
.surfaces
.get(&output)
.map(|lock| lock.clone().into());
} else if let Some(window) = workspace.get_fullscreen() {
let layers = layer_map_for_output(&output);
if let Some(layer) =
layers.layer_under(WlrLayer::Overlay, relative_pos.as_logical())
Expand Down Expand Up @@ -1153,6 +1161,10 @@ impl State {
pattern: KeyPattern,
direction: Option<Direction>,
) {
if self.common.session_lock.is_some() {
return;
}

match action {
Action::Terminate => {
self.common.should_stop = true;
Expand Down Expand Up @@ -1718,10 +1730,20 @@ impl State {
override_redirect_windows: &[X11Surface],
overview: OverviewMode,
workspace: &mut Workspace,
session_lock: Option<&SessionLock>,
) -> Option<(PointerFocusTarget, Point<i32, Global>)> {
let relative_pos = global_pos.to_local(output);
let output_geo = output.geometry();

if let Some(session_lock) = session_lock {
return session_lock.surfaces.get(output).map(|surface| {
(
PointerFocusTarget::LockSurface(surface.clone()),
output_geo.loc,
)
});
}

if let Some(window) = workspace.get_fullscreen() {
let layers = layer_map_for_output(output);
if let Some(layer) = layers.layer_under(WlrLayer::Overlay, relative_pos.as_logical()) {
Expand Down
143 changes: 76 additions & 67 deletions src/shell/focus/mod.rs
View file
Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,7 @@ use indexmap::IndexSet;
use smithay::{
desktop::{layer_map_for_output, PopupUngrabStrategy},
input::Seat,
output::Output,
utils::{IsAlive, Serial, SERIAL_COUNTER},
wayland::seat::WaylandFocus,
};
Expand Down Expand Up @@ -217,55 +218,11 @@ impl Common {

if let Some(target) = last_known_focus {
if target.alive() {
match target {
KeyboardFocusTarget::Element(mapped) => {
let workspace = state.common.shell.active_space(&output);
let focus_stack = workspace.focus_stack.get(&seat);
if focus_stack.last().map(|m| m == &mapped).unwrap_or(false)
&& workspace.get_fullscreen().is_none()
{
continue; // Focus is valid
} else {
trace!("Wrong Window, focus fixup");
}
}
KeyboardFocusTarget::LayerSurface(layer) => {
if layer_map_for_output(&output).layers().any(|l| l == &layer) {
continue; // Focus is valid
}
}
KeyboardFocusTarget::Group(WindowGroup { node, .. }) => {
if state
.common
.shell
.workspaces
.active(&output)
.1
.tiling_layer
.has_node(&node)
{
continue; // Focus is valid,
}
}
KeyboardFocusTarget::Fullscreen(window) => {
let workspace = state.common.shell.active_space(&output);
let focus_stack = workspace.focus_stack.get(&seat);

if focus_stack
.last()
.map(|m| m.has_active_window(&window))
.unwrap_or(false)
&& workspace.get_fullscreen().is_some()
{
continue; // Focus is valid
} else {
trace!("Wrong Window, focus fixup");
}
}
KeyboardFocusTarget::Popup(_) => {
continue; // Focus is valid
}
};
if focus_target_is_valid(state, &seat, &output, target) {
continue; // Focus is valid
} else {
trace!("Wrong Window, focus fixup");
}
} else {
if let KeyboardFocusTarget::Popup(_) = target {
if let Some(popup_grab) = seat
Expand Down Expand Up @@ -319,24 +276,7 @@ impl Common {
}

// update keyboard focus
let target = state
.common
.shell
.active_space(&output)
.get_fullscreen()
.cloned()
.map(KeyboardFocusTarget::Fullscreen)
.or_else(|| {
state
.common
.shell
.active_space(&output)
.focus_stack
.get(&seat)
.last()
.cloned()
.map(KeyboardFocusTarget::from)
});
let target = update_focus_target(state, &seat, &output);
if let Some(keyboard) = seat.get_keyboard() {
debug!("Restoring focus to {:?}", target.as_ref());
keyboard.set_focus(state, target.clone(), SERIAL_COUNTER.next_serial());
Expand All @@ -349,3 +289,72 @@ impl Common {
state.common.shell.update_active(seats.iter())
}
}

fn focus_target_is_valid(
state: &mut State,
seat: &Seat<State>,
output: &Output,
target: KeyboardFocusTarget,
) -> bool {
if state.common.session_lock.is_some() {
return matches!(target, KeyboardFocusTarget::LockSurface(_));
}

match target {
KeyboardFocusTarget::Element(mapped) => {
let workspace = state.common.shell.active_space(&output);
let focus_stack = workspace.focus_stack.get(&seat);
focus_stack.last().map(|m| m == &mapped).unwrap_or(false)
&& workspace.get_fullscreen().is_none()
}
KeyboardFocusTarget::LayerSurface(layer) => {
layer_map_for_output(&output).layers().any(|l| l == &layer)
}
KeyboardFocusTarget::Group(WindowGroup { node, .. }) => state
.common
.shell
.workspaces
.active(&output)
.1
.tiling_layer
.has_node(&node),
KeyboardFocusTarget::Fullscreen(window) => {
let workspace = state.common.shell.active_space(&output);
let focus_stack = workspace.focus_stack.get(&seat);

focus_stack
.last()
.map(|m| m.has_active_window(&window))
.unwrap_or(false)
&& workspace.get_fullscreen().is_some()
}
KeyboardFocusTarget::Popup(_) => true,
KeyboardFocusTarget::LockSurface(_) => false,
}
}

fn update_focus_target(
state: &mut State,
seat: &Seat<State>,
output: &Output,
) -> Option<KeyboardFocusTarget> {
if let Some(session_lock) = &state.common.session_lock {
session_lock
.surfaces
.get(output)
.cloned()
.map(KeyboardFocusTarget::from)
} else if let Some(surface) = state.common.shell.active_space(&output).get_fullscreen() {
Some(KeyboardFocusTarget::Fullscreen(surface.clone()))
} else {
state
.common
.shell
.active_space(&output)
.focus_stack
.get(&seat)
.last()
.cloned()
.map(KeyboardFocusTarget::from)
}
}
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