Split shell, settings, and compositor into focused modules

shell/ferese-shell/src/desktop_widgets.rs

@@ -0,0 +1,734 @@
+use super::{
+    Anchor, Background, Border, Color, Element, FereseShell, IcedMargin, IcedOutput, KeyboardInteractivity, Layer,
+    Length, Limits, Message, NoteDrag, SctkLayerSurfaceSettings, Task, Zoned, alignment, button, color, config,
+    configured_font, container, destroy_layer_surface, format_bar_time, motion, note_store, row, set_anchor,
+    set_margin, stacked_clock_digits, text, theme, window,
+};
+
+impl FereseShell {
+    pub(super) fn flush_note_changes(&mut self) -> Task<Message> {
+        if self.note_saving || self.note_pending.is_empty() {
+            return Task::none();
+        }
+
+        let Some(path) = config::config_path() else {
+            self.note_error = Some("Configuration path unavailable.".into());
+            return Task::none();
+        };
+        self.note_saving = true;
+        self.note_inflight = std::mem::take(&mut self.note_pending);
+        let edits = self.note_inflight.clone();
+        cosmic::task::future(async move {
+            let (send, receive) = cosmic::iced::futures::channel::oneshot::channel();
+            std::thread::spawn(move || {
+                let _ = send.send(note_store::save(&path, &edits));
+            });
+            Message::NotesStored(
+                receive
+                    .await
+                    .unwrap_or_else(|_| Err("Note save worker stopped.".into())),
+            )
+        })
+    }
+
+    pub(super) fn set_note_text(&mut self, id: &str, value: String) -> Task<Message> {
+        if let Some(note) = self.config.desktop_widgets.notes.iter_mut().find(|note| note.id == id)
+            && (note.text != value || self.note_error.is_some())
+        {
+            note.text = value.clone();
+            self.note_pending.push(note_store::Edit::Text(id.to_owned(), value));
+        }
+        self.flush_note_changes()
+    }
+
+    pub(super) fn finish_note_edit(&mut self) -> Task<Message> {
+        if let Some(editor) = self.note_editor.take() {
+            self.set_note_text(&editor.id, editor.content.text())
+        } else {
+            self.flush_note_changes()
+        }
+    }
+
+    pub(super) fn begin_note_drag(&mut self, id: String, surface: window::Id) -> Task<Message> {
+        self.begin_widget_drag(Some(id), surface)
+    }
+
+    pub(super) fn begin_widget_drag(&mut self, id: Option<String>, surface: window::Id) -> Task<Message> {
+        if self.note_drag.is_some() {
+            return Task::none();
+        }
+        let Some(entry) = self
+            .outputs
+            .iter()
+            .find(|entry| entry.clock == Some(surface) || entry.notes.iter().any(|(_, window)| *window == surface))
+        else {
+            return Task::none();
+        };
+        let Some(size) = entry.size else {
+            return Task::none();
+        };
+        let (origin, dimensions) = if let Some(id) = &id {
+            let Some(note) = self.config.desktop_widgets.notes.iter().find(|note| &note.id == id) else {
+                return Task::none();
+            };
+            (note_origin(note, size), (note.width, note.height))
+        } else {
+            let clock = &self.config.desktop_widgets.clock;
+            (
+                widget_origin(
+                    clock.anchor,
+                    clock.margin_x,
+                    clock.margin_y,
+                    (clock.width, clock.height),
+                    size,
+                ),
+                (clock.width, clock.height),
+            )
+        };
+        let output = entry.output.clone();
+        let mut obstacles = Vec::new();
+        let clock = &self.config.desktop_widgets.clock;
+
+        if id.is_some() && clock.on_output(entry.name.as_deref()) {
+            let position = widget_origin(
+                clock.anchor,
+                clock.margin_x,
+                clock.margin_y,
+                (clock.width, clock.height),
+                size,
+            );
+            obstacles.push(cosmic::iced::Rectangle::new(
+                position,
+                cosmic::iced::Size::new(clock.width as f32, clock.height as f32),
+            ));
+        }
+
+        for note in &self.config.desktop_widgets.notes {
+            if Some(&note.id) != id.as_ref() && note.on_output(entry.name.as_deref()) {
+                obstacles.push(cosmic::iced::Rectangle::new(
+                    note_origin(note, size),
+                    cosmic::iced::Size::new(note.width as f32, note.height as f32),
+                ));
+            }
+        }
+
+        let overlay = window::Id::unique();
+        self.note_drag = Some(NoteDrag {
+            id,
+            source: surface,
+            overlay,
+            origin,
+            position: origin,
+            start: self.note_pointer.get(&surface).copied().unwrap_or_default(),
+            output_size: size,
+            obstacles,
+        });
+        let action = cosmic::surface::action::app_layer_shell::<Self>(
+            |_| Default::default(),
+            move |_| SctkLayerSurfaceSettings {
+                id: overlay,
+                layer: Layer::Overlay,
+                keyboard_interactivity: KeyboardInteractivity::None,
+                input_zone: Some(Vec::new()),
+                anchor: Anchor::TOP | Anchor::LEFT,
+                margin: IcedMargin {
+                    top: origin.y.round() as i32,
+                    left: origin.x.round() as i32,
+                    ..Default::default()
+                },
+                output: IcedOutput::Output(output.clone()),
+                namespace: "ferese-shell-note-drag".into(),
+                exclusive_zone: -1,
+                size: Some((Some(dimensions.0), Some(dimensions.1))),
+                size_limits: Limits::NONE,
+            },
+            Some(Box::new(Self::view_note_drag)),
+        );
+
+        Task::batch([
+            self.finish_note_edit(),
+            cosmic::task::message(cosmic::Action::Surface(action)),
+        ])
+    }
+
+    pub(super) fn view_note_drag(&self) -> Element<'_, cosmic::Action<Message>> {
+        let Some(drag) = &self.note_drag else {
+            return text("").into();
+        };
+
+        if let Some(id) = &drag.id {
+            self.view_note_content(id, drag.source)
+        } else {
+            self.view_clock_content()
+        }
+    }
+
+    pub(super) fn finish_note_drag(&mut self, save: bool) -> Task<Message> {
+        let Some(drag) = self.note_drag.take() else {
+            return Task::none();
+        };
+        let mut tasks = vec![destroy_layer_surface(drag.overlay)];
+
+        if save {
+            if drag.id.is_none() {
+                let clock = &mut self.config.desktop_widgets.clock;
+                clock.anchor = ferese_core::desktop::Anchor::TopLeft;
+                clock.margin_x = drag.position.x.round() as i32;
+                clock.margin_y = drag.position.y.round() as i32;
+                for entry in &self.outputs {
+                    if let Some(id) = entry.clock {
+                        tasks.push(set_anchor(id, Anchor::TOP | Anchor::LEFT));
+                        tasks.push(set_margin(id, clock.margin_y, 0, 0, clock.margin_x));
+                    }
+                }
+                self.note_pending
+                    .push(note_store::Edit::ClockPosition(clock.margin_x, clock.margin_y));
+            }
+
+            if let Some(note) = self
+                .config
+                .desktop_widgets
+                .notes
+                .iter_mut()
+                .find(|note| Some(&note.id) == drag.id.as_ref())
+            {
+                note.anchor = ferese_core::desktop::Anchor::TopLeft;
+                note.margin_x = drag.position.x.round() as i32;
+                note.margin_y = drag.position.y.round() as i32;
+
+                for entry in &self.outputs {
+                    if let Some((_, id)) = entry.notes.iter().find(|(id, _)| Some(id) == drag.id.as_ref()) {
+                        tasks.push(set_anchor(*id, Anchor::TOP | Anchor::LEFT));
+                        tasks.push(set_margin(*id, note.margin_y, 0, 0, note.margin_x));
+                    }
+                }
+
+                self.note_pending.push(note_store::Edit::Position(
+                    note.id.clone(),
+                    note.margin_x,
+                    note.margin_y,
+                ));
+            }
+
+            tasks.push(self.flush_note_changes());
+        }
+        Task::batch(tasks)
+    }
+
+    pub(super) fn rebuild_notes(&mut self, reset: bool) -> Task<Message> {
+        let mut tasks = Vec::new();
+
+        for entry in &mut self.outputs {
+            if reset {
+                for (_, id) in entry.notes.drain(..) {
+                    self.note_pointer.remove(&id);
+                    tasks.push(destroy_layer_surface(id));
+                }
+            }
+
+            for note in &self.config.desktop_widgets.notes {
+                if !note.on_output(entry.name.as_deref()) || entry.notes.iter().any(|(id, _)| id == &note.id) {
+                    continue;
+                }
+
+                let id = window::Id::unique();
+                entry.notes.push((note.id.clone(), id));
+                let note = note.clone();
+                let note_id = note.id.clone();
+                let output = entry.output.clone();
+                let action = cosmic::surface::action::app_layer_shell::<Self>(
+                    |_| Default::default(),
+                    move |_| {
+                        let (anchor, margin) = widget_placement(note.anchor, note.margin_x, note.margin_y);
+                        SctkLayerSurfaceSettings {
+                            id,
+                            layer: Layer::Bottom,
+                            keyboard_interactivity: if note.interactive {
+                                KeyboardInteractivity::OnDemand
+                            } else {
+                                KeyboardInteractivity::None
+                            },
+                            input_zone: if note.interactive { None } else { Some(Vec::new()) },
+                            anchor,
+                            margin,
+                            output: IcedOutput::Output(output.clone()),
+                            namespace: "ferese-shell-sticky-note".into(),
+                            exclusive_zone: -1,
+                            size: Some((Some(note.width), Some(note.height))),
+                            size_limits: Limits::NONE,
+                        }
+                    },
+                    Some(Box::new(move |app| app.view_note(&note_id, id))),
+                );
+
+                tasks.push(cosmic::task::message(cosmic::Action::Surface(action)));
+            }
+        }
+
+        Task::batch(tasks)
+    }
+
+    pub(super) fn view_note(&self, id: &str, surface: window::Id) -> Element<'_, cosmic::Action<Message>> {
+        if self
+            .note_drag
+            .as_ref()
+            .is_some_and(|drag| drag.id.as_deref() == Some(id))
+        {
+            return container(text("")).width(Length::Fill).height(Length::Fill).into();
+        }
+
+        self.view_note_content(id, surface)
+    }
+
+    pub(super) fn view_note_content(&self, id: &str, surface: window::Id) -> Element<'_, cosmic::Action<Message>> {
+        let Some(note) = self.config.desktop_widgets.notes.iter().find(|note| note.id == id) else {
+            return text("").into();
+        };
+        let alignment = match note.alignment {
+            ferese_core::desktop::Alignment::Left => alignment::Horizontal::Left,
+            ferese_core::desktop::Alignment::Center => alignment::Horizontal::Center,
+            ferese_core::desktop::Alignment::Right => alignment::Horizontal::Right,
+        };
+        let font = configured_font(
+            note.font_family
+                .as_deref()
+                .filter(|s| !s.trim().is_empty())
+                .or(self.config.font_family.as_deref()),
+        );
+        let mut foreground = color(
+            note.color
+                .as_deref()
+                .and_then(config::parse_color)
+                .unwrap_or(self.config.theme.text_primary),
+        );
+
+        foreground.a *= note.opacity;
+
+        let background = if note.background.as_deref() == Some("") {
+            None
+        } else {
+            let mut tint = color(
+                note.background
+                    .as_deref()
+                    .and_then(config::parse_color)
+                    .unwrap_or(self.config.theme.surface_base),
+            );
+            tint.a *= note.opacity;
+            Some(Background::Color(tint))
+        };
+        let mut body = cosmic::widget::column([]).spacing(note.gap).align_x(alignment);
+
+        if note.interactive {
+            let title = ferese_theme::text(if note.title.is_empty() { "⋮⋮" } else { &note.title }, font)
+                .size(note.title_size)
+                .class(theme::Text::Color(foreground));
+            let header = cosmic::widget::mouse_area(container(title).width(Length::Fill))
+                .interaction(cosmic::iced::mouse::Interaction::Grab)
+                .on_press(cosmic::Action::App(Message::BeginNoteDrag(id.to_owned(), surface)));
+            let editing = self.note_editor.as_ref().is_some_and(|editor| editor.id == id);
+
+            body = body.push(
+                row([]).push(header).push(motion::button(
+                    button::custom(text(if editing { "Done" } else { "Edit" }))
+                        .padding([4, 8])
+                        .on_press(cosmic::Action::App(if editing {
+                            Message::FinishNoteEdit
+                        } else {
+                            Message::BeginNoteEdit(id.to_owned())
+                        })),
+                    foreground,
+                    false,
+                    1.0,
+                )),
+            );
+        } else if !note.title.is_empty() {
+            body = body.push(
+                ferese_theme::text(
+                    note.title.clone(),
+                    cosmic::font::Font {
+                        weight: cosmic::iced::font::Weight::Semibold,
+                        ..font
+                    },
+                )
+                .size(note.title_size)
+                .width(Length::Fill)
+                .align_x(alignment)
+                .class(theme::Text::Color(foreground)),
+            );
+        }
+
+        if let Some(editor) = &self.note_editor
+            && editor.id == id
+        {
+            let id = id.to_owned();
+            body = body.push(
+                cosmic::widget::TextEditor::new(&editor.content)
+                    .style(|theme, status| {
+                        use cosmic::iced::widget::text_editor::Catalog;
+                        let mut style = theme.style(&<cosmic::Theme as Catalog>::default(), status);
+                        style.border.radius = motion::radius(f32::MAX).into();
+                        style
+                    })
+                    .height(Length::Fill)
+                    .font(font)
+                    .size(note.text_size)
+                    .on_action(move |action| cosmic::Action::App(Message::NoteAction(id.clone(), action))),
+            );
+        } else {
+            body = body.push(
+                ferese_theme::text(note.text.clone(), font)
+                    .size(note.text_size)
+                    .width(Length::Fill)
+                    .align_x(alignment)
+                    .class(theme::Text::Color(foreground)),
+            );
+        }
+
+        if let Some(error) = &self.note_error {
+            body = body.push(text(error.clone()).size(10).class(theme::Text::Color(foreground)));
+        }
+
+        let radius = self.config.theme.material_radius;
+
+        container(body)
+            .padding(note.padding)
+            .width(Length::Fill)
+            .height(Length::Fill)
+            .class(theme::Container::custom(move |_| container::Style {
+                background,
+                border: Border {
+                    radius: radius.into(),
+                    ..Default::default()
+                },
+                ..Default::default()
+            }))
+            .into()
+    }
+
+    pub(super) fn rebuild_clocks(&mut self, reset: bool) -> Task<Message> {
+        self.desktop_clock = self
+            .config
+            .desktop_widgets
+            .clock
+            .labels(&Zoned::now())
+            .unwrap_or_default();
+        let mut tasks = Vec::new();
+
+        for entry in &mut self.outputs {
+            if !reset && entry.clock.is_some() {
+                continue;
+            }
+
+            if let Some(id) = entry.clock.take() {
+                self.note_pointer.remove(&id);
+                tasks.push(destroy_layer_surface(id));
+            }
+
+            let clock = self.config.desktop_widgets.clock.clone();
+
+            if !clock.on_output(entry.name.as_deref()) {
+                continue;
+            }
+
+            let id = window::Id::unique();
+            entry.clock = Some(id);
+            let output = entry.output.clone();
+            let action = cosmic::surface::action::app_layer_shell::<Self>(
+                |_| Default::default(),
+                move |_| {
+                    let (anchor, margin) = clock_placement(&clock);
+                    SctkLayerSurfaceSettings {
+                        id,
+                        layer: Layer::Bottom,
+                        keyboard_interactivity: KeyboardInteractivity::OnDemand,
+                        input_zone: None,
+                        anchor,
+                        margin,
+                        output: IcedOutput::Output(output.clone()),
+                        namespace: "ferese-shell-desktop-clock".into(),
+                        exclusive_zone: -1,
+                        size: Some((Some(clock.width), Some(clock.height))),
+                        size_limits: Limits::NONE,
+                    }
+                },
+                Some(Box::new(move |app| app.view_desktop_clock(id))),
+            );
+
+            tasks.push(cosmic::task::message(cosmic::Action::Surface(action)));
+        }
+
+        Task::batch(tasks)
+    }
+
+    pub(super) fn view_desktop_clock(&self, id: window::Id) -> Element<'_, cosmic::Action<Message>> {
+        if self
+            .note_drag
+            .as_ref()
+            .is_some_and(|drag| drag.id.is_none() && drag.source == id)
+        {
+            return container(text("")).width(Length::Fill).height(Length::Fill).into();
+        }
+
+        cosmic::widget::mouse_area(self.view_clock_content())
+            .on_press(cosmic::Action::App(Message::BeginClockDrag(id)))
+            .interaction(cosmic::iced::mouse::Interaction::Grab)
+            .into()
+    }
+
+    pub(super) fn view_clock_content(&self) -> Element<'_, cosmic::Action<Message>> {
+        use ferese_core::desktop::Alignment as ClockAlignment;
+        let clock = &self.config.desktop_widgets.clock;
+        let alignment = match clock.alignment {
+            ClockAlignment::Left => alignment::Horizontal::Left,
+            ClockAlignment::Center => alignment::Horizontal::Center,
+            ClockAlignment::Right => alignment::Horizontal::Right,
+        };
+        let pixel = clock.style == ferese_core::desktop::ClockStyle::Pixel;
+        let custom_font = clock.font_family.as_deref().filter(|family| !family.trim().is_empty());
+        let mut font = configured_font(if pixel {
+            custom_font.or(Some("Cantarell"))
+        } else {
+            custom_font.or(self.config.font_family.as_deref())
+        });
+        if pixel && custom_font.is_none() {
+            font.weight = cosmic::iced::font::Weight::Black;
+        } else if clock.bold {
+            font.weight = cosmic::iced::font::Weight::Bold;
+        }
+        let date_font = configured_font(custom_font.or(self.config.font_family.as_deref()));
+        let tint = |custom: &Option<String>, fallback| {
+            let mut tint = color(custom.as_deref().and_then(config::parse_color).unwrap_or(fallback));
+            tint.a *= clock.opacity;
+            tint
+        };
+        let foreground = tint(&clock.color, self.config.theme.text_primary);
+        let accent = color(self.config.theme.accent);
+        let custom_color = clock.color.as_deref().and_then(config::parse_color).is_some();
+        let digit_colors = [0.8, 0.45].map(|text_mix| {
+            if custom_color {
+                return foreground;
+            }
+            Color {
+                r: foreground.r * text_mix + accent.r * (1.0 - text_mix),
+                g: foreground.g * text_mix + accent.g * (1.0 - text_mix),
+                b: foreground.b * text_mix + accent.b * (1.0 - text_mix),
+                a: foreground.a,
+            }
+        });
+        let mut labels = cosmic::widget::column([]).spacing(clock.gap).align_x(alignment);
+
+        if pixel && clock.show_date {
+            labels = labels.push(
+                ferese_theme::text(self.desktop_clock.1.clone(), date_font)
+                    .size(clock.date_size)
+                    .class(theme::Text::Color(tint(
+                        &clock.date_color,
+                        self.config.theme.text_primary,
+                    ))),
+            );
+        }
+
+        if let Some(digits) = pixel.then(|| stacked_clock_digits(&self.desktop_clock.0)).flatten() {
+            let available_height = (clock.height as f32
+                - clock.padding * 2.0
+                - if clock.show_date {
+                    clock.date_size * 1.3 + clock.gap
+                } else {
+                    0.0
+                })
+            .max(16.0);
+            let size = clock
+                .time_size
+                .min(available_height / 1.6)
+                .min((clock.width as f32 - clock.padding * 2.0).max(16.0) / 1.5);
+            let mut stack = cosmic::widget::column([]).spacing(0).align_x(alignment);
+
+            for (line, digits) in digits.into_iter().enumerate() {
+                let mut digit_row = row([]).spacing(0);
+
+                for (position, digit) in digits.chars().enumerate() {
+                    digit_row = digit_row.push(
+                        ferese_theme::text(digit.to_string(), font)
+                            .size(size)
+                            .line_height(cosmic::iced::widget::text::LineHeight::Relative(0.8))
+                            .class(theme::Text::Color(digit_colors[(line + position) % 2])),
+                    );
+                }
+
+                stack = stack.push(digit_row);
+            }
+
+            labels = labels.push(stack);
+        } else {
+            let characters = self.desktop_clock.0.chars().count().max(1) as f32;
+            let available_width = (clock.width as f32 - clock.padding * 2.0).max(1.0);
+            let available_height = (clock.height as f32
+                - clock.padding * 2.0
+                - if clock.show_date {
+                    clock.date_size * 1.3 + clock.gap
+                } else {
+                    0.0
+                })
+            .max(1.0);
+            let size = clock
+                .time_size
+                .min(available_width / (characters * 0.75))
+                .min(available_height / 1.3);
+
+            labels = labels.push(
+                ferese_theme::text(self.desktop_clock.0.clone(), font)
+                    .size(size)
+                    .width(Length::Fill)
+                    .align_x(alignment)
+                    .class(theme::Text::Color(foreground)),
+            );
+        }
+
+        if !pixel && clock.show_date {
+            labels = labels.push(
+                ferese_theme::text(self.desktop_clock.1.clone(), font)
+                    .size(clock.date_size)
+                    .width(Length::Fill)
+                    .align_x(alignment)
+                    .class(theme::Text::Color(tint(
+                        &clock.date_color,
+                        self.config.theme.text_muted,
+                    ))),
+            );
+        }
+        let background = clock.background.as_deref().and_then(config::parse_color).map(|rgba| {
+            let mut tint = color(rgba);
+            tint.a *= clock.opacity;
+            Background::Color(tint)
+        });
+        let radius = self.config.theme.material_radius;
+
+        container(labels)
+            .padding(clock.padding)
+            .width(Length::Fill)
+            .height(Length::Fill)
+            .align_x(alignment)
+            .center_y(Length::Fill)
+            .class(theme::Container::custom(move |_| container::Style {
+                background,
+                border: Border {
+                    radius: radius.into(),
+                    ..Default::default()
+                },
+                ..Default::default()
+            }))
+            .into()
+    }
+}
+
+/// Sweep each axis, allowing edge sliding without tunnelling through a widget
+/// when pointer events skip ahead. Coordinates match integer layer margins.
+pub(super) fn avoid_widget_overlap(
+    previous: cosmic::iced::Point,
+    requested: cosmic::iced::Point,
+    size: (u32, u32),
+    obstacles: &[cosmic::iced::Rectangle],
+) -> cosmic::iced::Point {
+    let mut position = previous;
+    let (width, height) = (size.0 as f32, size.1 as f32);
+    let mut x = requested.x.round();
+    for obstacle in obstacles {
+        if position.y < obstacle.y + obstacle.height && position.y + height > obstacle.y {
+            if x > position.x && position.x + width <= obstacle.x {
+                x = x.min((obstacle.x - width).floor());
+            } else if x < position.x && position.x >= obstacle.x + obstacle.width {
+                x = x.max((obstacle.x + obstacle.width).ceil());
+            }
+        }
+    }
+    position.x = x;
+    let mut y = requested.y.round();
+    for obstacle in obstacles {
+        if position.x < obstacle.x + obstacle.width && position.x + width > obstacle.x {
+            if y > position.y && position.y + height <= obstacle.y {
+                y = y.min((obstacle.y - height).floor());
+            } else if y < position.y && position.y >= obstacle.y + obstacle.height {
+                y = y.max((obstacle.y + obstacle.height).ceil());
+            }
+        }
+    }
+    position.y = y;
+    position
+}
+
+pub(super) fn clamp_note_position(
+    position: cosmic::iced::Point,
+    output: (i32, i32),
+    size: (u32, u32),
+) -> cosmic::iced::Point {
+    cosmic::iced::Point::new(
+        position.x.clamp(0., (output.0 as f32 - size.0 as f32).clamp(0., 8192.)),
+        position.y.clamp(0., (output.1 as f32 - size.1 as f32).clamp(0., 8192.)),
+    )
+}
+
+pub(super) fn note_origin(note: &ferese_core::desktop::StickyNote, output: (i32, i32)) -> cosmic::iced::Point {
+    widget_origin(
+        note.anchor,
+        note.margin_x,
+        note.margin_y,
+        (note.width, note.height),
+        output,
+    )
+}
+
+pub(super) fn widget_origin(
+    anchor: ferese_core::desktop::Anchor,
+    margin_x: i32,
+    margin_y: i32,
+    size: (u32, u32),
+    output: (i32, i32),
+) -> cosmic::iced::Point {
+    use ferese_core::desktop::Anchor as A;
+    let x = match anchor {
+        A::TopLeft | A::CenterLeft | A::BottomLeft => margin_x as f32,
+        A::TopRight | A::CenterRight | A::BottomRight => output.0 as f32 - size.0 as f32 - margin_x as f32,
+        _ => (output.0 as f32 - size.0 as f32) / 2.,
+    };
+    let y = match anchor {
+        A::TopLeft | A::TopCenter | A::TopRight => margin_y as f32,
+        A::BottomLeft | A::BottomCenter | A::BottomRight => output.1 as f32 - size.1 as f32 - margin_y as f32,
+        _ => (output.1 as f32 - size.1 as f32) / 2.,
+    };
+    clamp_note_position(cosmic::iced::Point::new(x, y), output, size)
+}
+
+pub(super) fn clock_placement(clock: &ferese_core::desktop::Clock) -> (Anchor, IcedMargin) {
+    widget_placement(clock.anchor, clock.margin_x, clock.margin_y)
+}
+
+pub(super) fn widget_placement(
+    position: ferese_core::desktop::Anchor,
+    margin_x: i32,
+    margin_y: i32,
+) -> (Anchor, IcedMargin) {
+    use ferese_core::desktop::Anchor as Position;
+    let horizontal = match position {
+        Position::TopLeft | Position::CenterLeft | Position::BottomLeft => Anchor::LEFT,
+        Position::TopRight | Position::CenterRight | Position::BottomRight => Anchor::RIGHT,
+        _ => Anchor::empty(),
+    };
+    let vertical = match position {
+        Position::TopLeft | Position::TopCenter | Position::TopRight => Anchor::TOP,
+        Position::BottomLeft | Position::BottomCenter | Position::BottomRight => Anchor::BOTTOM,
+        _ => Anchor::empty(),
+    };
+    (
+        horizontal | vertical,
+        IcedMargin {
+            top: if vertical == Anchor::TOP { margin_y } else { 0 },
+            bottom: if vertical == Anchor::BOTTOM { margin_y } else { 0 },
+            left: if horizontal == Anchor::LEFT { margin_x } else { 0 },
+            right: if horizontal == Anchor::RIGHT { margin_x } else { 0 },
+        },
+    )
+}
+
+pub(super) fn current_time() -> String {
+    format_bar_time(&Zoned::now())
+}