import { UiRadius } from "ui_radius.slint";
import { ComboBox, ScrollView } from "std-widgets.slint";
import { RemoteCursor } from "remote_cursor.slint";
import { FontAwesomeIcons, IconButton, PrimaryButton, SecondaryButton, DialogSurface, ImGuiLineStyle, ImGuiFontStyle } from "common.slint";

export struct StreamTab {
    remote-id: string,
    title: string,
    connected: bool,
}

export struct FileTransferEntry {
    name: string,
    status: string,
    progress: float,
    speed: string,
    size: string,
}

export struct NetworkStatsRow {
    label: string,
    inbound: string,
    outbound: string,
    loss-rate: string,
}

export global StreamStrings {
    in-out property <string> remote-update-title: "Remote update recommended";
    in-out property <string> remote-update: "Update the remote device to the latest version for improved features and performance.";
    in-out property <string> remote-update-dismiss: "Got it";
    in-out property <string> video-settings: "Video settings";
    in-out property <string> video-settings-unavailable: "The remote device does not support live video settings";
    in-out property <string> video-quality: "Video quality";
    in-out property <string> frame-rate: "Capture frame rate";
    in-out property <string> adaptation-policy: "Video preference";
    in-out property <string> quality-low: "Low";
    in-out property <string> quality-medium: "Medium";
    in-out property <string> quality-high: "High";
    in-out property <string> priority-frame-rate: "Frame rate";
    in-out property <string> priority-quality: "Quality";
    in-out property <string> priority-balanced: "Balanced";

    in-out property <string> select-display: "Select Display";
    in-out property <string> send-shortcut: "Send Shortcut";
    in-out property <string> privacy-enable: "Enable privacy screen";
    in-out property <string> privacy-disable: "Turn privacy off / recover";
    in-out property <string> control-mouse: "Control Mouse";
    in-out property <string> release-mouse: "Release Mouse";
    in-out property <string> audio: "Audio Capture";
    in-out property <string> mute: "Mute";
    in-out property <string> select-file: "Select File to Send";
    in-out property <string> show-stats: "Show Net Traffic Stats";
    in-out property <string> hide-stats: "Hide Net Traffic Stats";
    in-out property <string> fullscreen: "Fullscreen";
    in-out property <string> exit-fullscreen: "Exit fullscreen";
    in-out property <string> disconnect: "Disconnect";
    in-out property <string> confirm-disconnect: "Disconnect this session?";
    in-out property <string> disconnect-description: "The current remote session will end.";
    in-out property <string> cancel: "Cancel";
    in-out property <string> file-transfer: "File Transfer Progress";
    in-out property <string> expand-control: "Expand Control Bar";
    in-out property <string> collapse-control: "Collapse Control Bar";
    in-out property <string> stats-in: "In";
    in-out property <string> stats-out: "Out";
    in-out property <string> stats-loss-rate: "Loss Rate";
    in-out property <string> stats-resolution: "Res";
    in-out property <string> stats-video-latency: "Video delay";
    in-out property <string> stats-connection-latency: "Connection RTT";
    in-out property <string> stats-connection-mode: "Mode";
    in-out property <string> stats-encoder: "Remote encoder";
    in-out property <string> stats-decoder: "Local decoder";
    in-out property <string> stats-encryption: "Encryption";
    in-out property <string> stats-encryption-enabled: "Enabled";
    in-out property <string> stats-encryption-disabled: "Disabled";
}

struct ControlBarTooltip {
    text: string,
    anchor-x: length,
}

// Shared surface treatment for the capsule and its detached detail cards.
component StreamControlSurface inherits Rectangle {
    background: white;
    border-width: 1px;
    border-color: #dbe5f1;
    border-radius: 16px;
    drop-shadow-color: #1d35571a;
    drop-shadow-blur: 10px;
    drop-shadow-offset-y: 2px;
}

// Keep the compact 16px icons inside roomier circular targets. This remains
// local to the stream window; other windows use the larger shared IconButton.
component ControlBarButton inherits Rectangle {
    in property <string> icon;
    in property <bool> show-logo: false;
    in property <bool> logo-pressed: false;
    in property <bool> logo-dragging: false;
    in property <float> reveal-progress: 1;
    in property <string> badge: "";
    in property <string> tooltip: "";
    in property <bool> selected: false;
    in property <bool> danger: false;
    in property <bool> slashed: false;
    in property <bool> action-enabled: true;
    // Capability and temporary command availability have different visuals.
    in property <bool> muted: false;
    in property <length> icon-size: 16px;
    out property <bool> has-hover: touch.has-hover;
    out property <ControlBarTooltip> tooltip-info: {
        text: root.visible && touch.has-hover && !touch.pressed && !root.logo-pressed ? root.tooltip : "",
        anchor-x: root.x + root.width / 2,
    };
    callback clicked;
    callback pointer-input(PointerEventButton, PointerEventKind, length, length);

    private property <bool> button-hovered:
        !root.show-logo && root.action-enabled && !root.muted && touch.has-hover;
    private property <bool> button-pressed:
        !root.show-logo && root.action-enabled && !root.muted && touch.pressed;
    // Share the fill with the slash cutout so every icon stays legible while
    // transitioning between idle, hover and pressed states.
    private property <color> button-fill: root.muted ? #eef0f3
        : root.button-pressed ? (root.danger ? #7a271a : #65a5f2)
        : root.button-hovered ? (root.danger ? (root.selected ? #912018 : #b42318)
            : root.selected ? #86baff : #a7ceff)
        : root.danger ? (root.selected ? #b42318 : #d92d20)
        : root.selected ? #b3d5fd : #deecff;
    private property <color> button-foreground: root.muted ? #8a8f96
        : root.danger ? white : #24272d;
    animate button-fill, button-foreground {
        duration: 90ms;
        easing: ease-out;
        enabled: !root.show-logo;
    }

    // Animate the artwork, never its hit area. Use the owning gesture state
    // so feedback survives pointer capture and clears on cancellation.
    private property <float> logo-scale: !root.show-logo || root.logo-dragging ? 1
        : root.logo-pressed ? 0.94 : touch.has-hover ? 1.06 : 1;
    animate logo-scale {
        duration: root.logo-pressed && !root.logo-dragging ? 70ms : 140ms;
        easing: ease-out;
        enabled: root.show-logo;
    }

    width: 30px;
    height: 30px;
    opacity: root.show-logo ? 1 : root.reveal-progress;
    background: root.show-logo ? transparent : root.button-fill;
    border-radius: min(self.width, self.height) / 2;

    Text {
        visible: !root.show-logo;
        text: root.icon;
        color: root.button-foreground;
        font-family: "Font Awesome 6 Free";
        font-weight: 900;
        font-size: root.icon-size;
        horizontal-alignment: center;
        vertical-alignment: center;
    }

    // Scale the antialiased SVG plate and mark together for subtle feedback.
    if root.show-logo: Rectangle {
        width: (min(parent.width, parent.height) - 2px) * root.logo-scale;
        height: self.width;
        x: (parent.width - self.width) / 2;
        y: (parent.height - self.height) / 2;
        Image {
            width: parent.width; height: parent.height;
            source: @image-url("icons/circle-white.svg");
            image-fit: contain;
        }
        // Keep the mark inside the circular plate without rounded clipping,
        // which is unsupported by the software renderer. The source app icon
        // includes a square white plate around this 104 x 76 px mark area.
        Image {
            x: (parent.width - self.width) / 2;
            y: (parent.height - self.height) / 2;
            // Keep the mark at 24px while giving the white plate more room.
            width: 24px * root.logo-scale;
            height: self.width * 76 / 104;
            source: @image-url("../../../resources/linux/crossdesk_128x128.png");
            source-clip-x: 12; source-clip-y: 26;
            source-clip-width: 104; source-clip-height: 76;
            image-fit: contain;
        }
    }

    // Draw the selected display number over the center of the monitor glyph.
    if root.badge != "": Text {
        // Use the rendered badge size so one- and multi-digit IDs share the
        // exact horizontal and vertical center of the button.
        x: (parent.width - self.preferred-width) / 2 + 0.5px;
        y: (parent.height - self.preferred-height) / 2 - 0.5px;
        text: root.badge;
        color: root.button-foreground;
        font-size: 11px;
    }

    // Draw the two offset disabled-state strokes as paths. Rotated rectangles
    // stay vertical in the software renderer used for fallback and UI capture.
    if root.slashed: Path {
        width: 24px; height: 24px;
        x: (parent.width - self.width) / 2;
        y: (parent.height - self.height) / 2;
        viewbox-width: 24; viewbox-height: 24;
        commands: "M 3.5 3.5 L 20.5 20.5";
        stroke: root.button-foreground;
        stroke-width: 2px;
    }
    if root.slashed: Path {
        width: 24px; height: 24px;
        x: (parent.width - self.width) / 2;
        y: (parent.height - self.height) / 2;
        viewbox-width: 24; viewbox-height: 24;
        commands: "M 2 5 L 19 22";
        stroke: root.button-fill;
        stroke-width: 2px;
    }

    touch := TouchArea {
        mouse-cursor: !root.action-enabled ? default : root.show-logo ? (root.logo-pressed ? grabbing : grab) : pointer;
        scroll-event(event) => { accept }
        pointer-event(event) => {
            root.pointer-input(event.button, event.kind, self.mouse-x, self.mouse-y);
        }
        // Keep disabled controls hit-testable so clicks cannot reach the peer.
        clicked => { if root.action-enabled { root.clicked(); } }
    }
}

component VideoSettingRow inherits VerticalLayout {
    in property <string> label;
    in property <[string]> options;
    in property <int> selected;
    in property <bool> enabled;
    callback choose(int);
    spacing: 4px;
    Text { text: root.label; color: #5c626c; font-size: 11px; height: 18px; }
    HorizontalLayout {
        spacing: 4px;
        for option[index] in root.options: Rectangle {
            height: 27px;
            background: !root.enabled ? #f1f1f1 : root.selected == index ? #d7eaff
                : option-touch.has-hover ? #eaf3ff : #f5f6f8;
            border-radius: UiRadius.control;
            border-width: 1px;
            border-color: root.enabled && root.selected == index ? #4296fa : #dce0e6;
            Text { text: option; color: root.enabled ? #30343b : #8b8f95;
                font-size: 11px; horizontal-alignment: center; vertical-alignment: center; }
            option-touch := TouchArea {
                mouse-cursor: root.enabled ? pointer : default;
                clicked => { if root.enabled { root.choose(index); } }
                scroll-event(event) => { accept }
            }
        }
    }
}

export component StreamWindow inherits Window {
    title: "CrossDesk";
    icon: @image-url("../../../resources/linux/crossdesk_256x256.png");
    preferred-width: 1280px;
    preferred-height: 720px + (root.custom-titlebar ? 32px : 0px);
    min-width: 640px;
    min-height: 360px + (root.custom-titlebar ? 32px : 0px);
    no-frame: root.custom-titlebar;
    background: root.native-video-enabled
        ? transparent : root.custom-titlebar ? transparent : black;
    default-font-size: ImGuiFontStyle.base;

    in property <bool> custom-titlebar: false;
    in property <bool> native-video-enabled: false;
    // Export the actual input surface in logical pixels. Native rendering and
    // input mapping must follow the same layout, including title and tab bars.
    out property <length> video-area-top: content-layer.y + video.y;
    out property <length> video-area-width: video.width;
    out property <length> video-area-height: video.height;
    in property <bool> window-active: true;
    in property <bool> window-maximized: false;
    in property <[StreamTab]> tabs;
    in-out property <int> selected-tab: 0;
    in property <image> frame;
    in property <bool> has-frame: false;
    in property <string> status-text: "";
    in property <string> receiving-text: "";
    in property <bool> remote-update-visible: false;
    callback dismiss-remote-update;
    in property <[string]> displays;
    in-out property <int> selected-display: 0;
    in property <bool> mouse-control-enabled: true;
    in property <bool> privacy-can-toggle: false;
    in property <bool> privacy-active: false;
    in property <bool> privacy-off: false;
    in property <bool> privacy-unsupported: false;
    // Privacy feedback stays on its toolbar button and hover tooltip.
    in property <string> privacy-status-text: "Privacy screen";
    // Numeric values mirror crossdesk::RemoteCursorShape and Slint's MouseCursor.
    in property <bool> remote-cursor-active: false;
    in property <int> remote-cursor-shape: 0;
    in property <bool> audio-enabled: true;
    in property <bool> video-settings-enabled: false;
    in property <string> video-settings-feedback: "";
    in-out property <int> video-quality-index: 2;
    in-out property <int> frame-rate-index: 1;
    in-out property <int> adaptation-policy-index: 1;
    callback change-video-settings(int, int, int);
    in property <bool> fullscreen-enabled: false;
    in property <bool> stats-visible: false;
    in property <[NetworkStatsRow]> stats-rows;
    in property <string> stats-fps: "0";
    in property <string> stats-resolution: "";
    in property <string> stats-video-latency: "—";
    in property <string> stats-connection-latency: "—";
    in property <string> stats-connection-mode: "";
    in property <string> stats-encoder: "—";
    in property <string> stats-decoder: "—";
    in property <bool> stats-encryption-enabled: false;
    in property <bool> file-transfer-visible: false;
    in property <[FileTransferEntry]> file-transfers;

    callback select-tab(int);
    callback reorder-tab(int, length, length);
    callback close-tab(string);
    callback switch-display(int);
    in property <bool> secure-attention-supported: true;
    private property <[string]> secure-shortcut-items: ["Ctrl+Alt+Del", "Win+L"];
    private property <[string]> ordinary-shortcut-items: ["Win+L"];
    private property <[string]> shortcut-items: root.secure-attention-supported ? root.secure-shortcut-items : root.ordinary-shortcut-items;
    private property <length> shortcut-menu-height: root.shortcut-items.length * 30px + 16px;
    callback send-shortcut(string);
    callback toggle-mouse-control;
    callback toggle-privacy;
    callback toggle-audio;
    callback select-file;
    callback close-file-transfer;
    pure callback can-drop-file(data-transfer) -> bool;
    callback file-dropped(data-transfer);
    callback toggle-stats;
    callback toggle-fullscreen;
    callback disconnect;
    callback stream-title-drag(int, length, length);
    callback minimize-stream-window;
    callback toggle-maximize-stream-window;
    callback close-stream-window;
    callback pointer-input(PointerEventButton, PointerEventKind, length, length);
    callback scroll-input(length, length, length, length);
    callback key-input(string, bool, bool, bool, bool, bool);
    callback keyboard-focus-changed(bool);

    private property <bool> control-expanded: false;
    private property <bool> control-visual-expanded: false;
    private property <length> control-toolbar-height: 38px;
    private property <length> control-button-step: 32px;
    private property <length> control-disconnect-gap: 8px;
    private property <length> control-buttons-x: root.control-docked-left ? 43px : 7px;
    private property <length> control-panel-gap: 8px;
    private property <float> control-reveal-progress: 0;
    private property <float> control-surface-progress: min(1, root.control-reveal-progress / 0.65);
    private property <float> control-content-progress: max(0, (root.control-reveal-progress - 0.65) / 0.35);
    private property <bool> control-content-visible:
        root.control-visual-expanded && root.control-content-progress > 0;
    private property <length> control-surface-width: root.control-toolbar-height
        + (control.width - root.control-toolbar-height) * root.control-surface-progress;
    private property <length> control-surface-x: control.x
        + (root.control-docked-left ? 0px : control.width - root.control-surface-width);
    private property <duration> control-collapse-duration: 180ms;
    private property <bool> control-animation-enabled: false;
    private property <length> stats-row-height: 18px;
    private property <length> stats-header-height: 18px;
    private property <length> stats-content-height:
        root.stats-header-height + root.stats-rows.length * root.stats-row-height + 114px;
    private property <length> stats-panel-height:
        min(root.stats-content-height + 16px, max(0px, video.height - root.control-toolbar-height - root.control-panel-gap));
    private property <length> stats-panel-y: root.control-panel-y(root.stats-panel-height);
    private property <length> file-panel-x: 18px;
    private property <length> file-panel-y: video.height - min(210px, video.height * 0.35);
    private property <length> file-panel-width: min(430px, video.width * 0.6);
    private property <length> file-panel-height: min(190px, video.height * 0.32);
    private property <bool> display-menu-open: false;
    private property <bool> display-menu-animation-enabled: false;
    private property <float> display-menu-progress: 0.0;
    private property <length> display-menu-height: min(180px, root.displays.length * 30px + 16px);
    private property <length> display-menu-y: root.control-panel-y(root.display-menu-height);
    private property <bool> shortcut-menu-open: false;
    private property <length> shortcut-menu-y: root.control-panel-y(root.shortcut-menu-height);
    in-out property <bool> video-menu-open: false;
    private property <length> video-menu-width: min(320px, video.width - 8px);
    private property <length> video-menu-height: root.video-settings-enabled && root.video-settings-feedback == "" ? 182px : 220px;
    private property <length> video-menu-x: min(max(4px, control.x + video-button.x), video.width - root.video-menu-width - 4px);
    private property <length> video-menu-y: root.control-panel-y(root.video-menu-height);
    private property <bool> disconnect-menu-open: false;
    private property <length> disconnect-menu-width: min(220px, video.width - 8px);
    private property <length> disconnect-menu-height:
        disconnect-actions.y + disconnect-actions.height + 12px;
    private property <length> disconnect-menu-x: min(max(4px,
        control.x + close-button.x + close-button.width - root.disconnect-menu-width),
        video.width - root.disconnect-menu-width - 4px);
    private property <length> disconnect-menu-y: root.control-panel-y(root.disconnect-menu-height);
    private property <bool> control-menu-open:
        root.display-menu-open || root.shortcut-menu-open || root.video-menu-open || root.disconnect-menu-open;
    changed selected-tab => {
        root.close-control-menus();
        root.cancel-remote-pointer();
    }
    changed control-expanded => {
        control-reveal-timer.running = false;
        control-collapse-timer.running = false;
        if root.control-expanded {
            if !root.control-visual-expanded {
                root.control-animation-enabled = false;
                root.control-reveal-progress = 0;
                root.control-visual-expanded = true;
                control-reveal-timer.running = true;
            } else {
                // Reverse an unfinished collapse from its current frame.
                root.control-animation-enabled = true;
                root.control-reveal-progress = 1;
            }
        } else {
            root.close-control-menus();
            if root.control-reveal-progress > 0 {
                root.control-animation-enabled = true;
                root.control-reveal-progress = 0;
                control-collapse-timer.running = true;
            } else {
                root.finish-control-collapse();
            }
        }
    }
    animate control-reveal-progress {
        duration: root.control-expanded ? 160ms : root.control-collapse-duration;
        easing: root.control-expanded ? ease-out : ease-in-out;
        enabled: root.control-animation-enabled;
    }
    control-reveal-timer := Timer {
        interval: 16ms;
        running: false;
        triggered => {
            self.running = false;
            if root.control-expanded {
                root.control-animation-enabled = true;
                root.control-reveal-progress = 1;
            }
        }
    }
    control-collapse-timer := Timer {
        // Retain the layout through the final animation frame.
        interval: root.control-collapse-duration + 16ms;
        running: false;
        triggered => {
            self.running = false;
            if !root.control-expanded { root.finish-control-collapse(); }
        }
    }
    function finish-control-collapse() {
        if root.control-dragging {
            // A drag can begin while the capsule is shrinking. Preserve the
            // logo's position and pointer offset when its container contracts.
            let logo-offset = logo-button.x;
            root.control-drag-x = control.x + logo-offset;
            root.control-press-x = root.control-press-x - logo-offset;
        }
        root.control-animation-enabled = false;
        root.control-reveal-progress = 0;
        root.control-visual-expanded = false;
    }
    changed window-active => {
        if !root.window-active {
            root.close-control-menus();
            root.cancel-remote-pointer();
            root.control-drag-pending = false;
            root.end-control-drag();
        }
    }
    changed mouse-control-enabled => {
        if !root.mouse-control-enabled { root.cancel-remote-pointer(); }
    }
    changed remote-update-visible => {
        if root.remote-update-visible {
            root.close-control-menus();
            root.control-drag-pending = false;
            root.end-control-drag();
        }
        // Changed handlers may run while Winit/AccessKit is building the
        // accessibility tree. Changing focus there re-enters its borrowed
        // adapter and aborts the process; defer focus to the event loop.
        input-focus-timer.running = true;
        input-focus-timer.restart();
        root.keyboard-focus-changed(!root.remote-update-visible);
    }
    input-focus-timer := Timer {
        interval: 1ms;
        running: false;
        triggered => {
            self.running = false;
            input-focus.focus();
        }
    }
    private property <bool> control-tooltip-visible: false;
    private property <ControlBarTooltip> hovered-control: {
        if root.window-active && !root.control-dragging
            && !root.control-menu-open {
            if logo-button.has-hover { return logo-button.tooltip-info; }
            if root.control-expanded && root.control-content-visible {
                if display-button.has-hover { return display-button.tooltip-info; }
                if shortcut-button.has-hover { return shortcut-button.tooltip-info; }
                if mouse-button.has-hover { return mouse-button.tooltip-info; }
                if privacy-button.has-hover { return privacy-button.tooltip-info; }
                if video-button.has-hover { return video-button.tooltip-info; }
                if audio-button.has-hover { return audio-button.tooltip-info; }
                if file-button.has-hover { return file-button.tooltip-info; }
                if stats-button.has-hover { return stats-button.tooltip-info; }
                if fullscreen-button.has-hover { return fullscreen-button.tooltip-info; }
                if close-button.has-hover { return close-button.tooltip-info; }
            }
        }
        return { text: "", anchor-x: 0px };
    }
    // Own each remote button from down through up/cancel, independent of the
    // pointer's current position or local overlays appearing during a drag.
    private property <bool> remote-left-down: false;
    private property <bool> remote-right-down: false;
    private property <bool> remote-middle-down: false;
    private property <bool> remote-pointer-active:
        root.remote-left-down || root.remote-right-down || root.remote-middle-down;
    private property <bool> control-drag-pending: false;
    private property <length> control-drag-start-x: 0px;
    private property <length> control-drag-start-y: 0px;
    private property <bool> control-docked-left: true;
    private property <bool> control-dragging: false;
    private property <length> control-drag-x: 0px;
    // Start flush against the title/tab strip. This remains mutable so a
    // manually dragged control bar keeps its chosen vertical position.
    private property <length> control-pos-y: 0px;
    private property <length> control-press-x: 0px;
    private property <length> control-press-y: 0px;
    private property <int> dragging-tab: -1;
    private property <length> titlebar-height:
        root.custom-titlebar && !root.fullscreen-enabled ? 32px : 0px;
    private property <length> window-corner-radius: 12px;
    callback begin-control-drag(length, length);
    callback move-control-drag(length, length);
    callback end-control-drag;
    pure callback is-local-control-area(length, length) -> bool;

    pure function control-panel-y(panel-height: length) -> length {
        let below = control.y + root.control-toolbar-height + root.control-panel-gap;
        return below + panel-height <= video.height ? below
            : max(0px, control.y - root.control-panel-gap - panel-height);
    }

    function close-control-menus() {
        display-menu-open-timer.running = false;
        root.display-menu-animation-enabled = false;
        root.display-menu-progress = 0.0;
        root.display-menu-open = false;
        root.shortcut-menu-open = false;
        root.video-menu-open = false;
        root.disconnect-menu-open = false;
    }

    // Native focus/session changes release input in C++; clear the matching UI
    // ownership too, including when replacing the only tab (same tab index).
    public function reset-input-state() {
        root.remote-left-down = false;
        root.remote-right-down = false;
        root.remote-middle-down = false;
        root.close-control-menus();
        root.control-drag-pending = false;
        root.end-control-drag();
    }

    function cancel-remote-pointer() {
        if root.remote-pointer-active {
            root.reset-input-state();
            root.pointer-input(PointerEventButton.other, PointerEventKind.cancel,
                pointer.mouse-x, pointer.mouse-y);
        }
    }

    pure function remote-button-down(button: PointerEventButton) -> bool {
        return button == PointerEventButton.left ? root.remote-left-down
            : button == PointerEventButton.right ? root.remote-right-down
            : button == PointerEventButton.middle ? root.remote-middle-down : false;
    }

    function set-remote-button(button: PointerEventButton, down: bool) {
        if button == PointerEventButton.left { root.remote-left-down = down; }
        if button == PointerEventButton.right { root.remote-right-down = down; }
        if button == PointerEventButton.middle { root.remote-middle-down = down; }
    }

    function route-remote-pointer(button: PointerEventButton, kind: PointerEventKind,
        x: length, y: length) {
        // Releases and cancellation must not be gated on hit testing. A local
        // popup removing itself on click cannot manufacture a remote release.
        if kind == PointerEventKind.cancel {
            root.cancel-remote-pointer();
        } else if kind == PointerEventKind.up {
            if root.remote-button-down(button) {
                root.set-remote-button(button, false);
                root.pointer-input(button, kind, x, y);
            }
        } else if root.window-active && root.mouse-control-enabled && !root.remote-update-visible {
            let remote-target = root.remote-pointer-active
                || (!root.control-menu-open && !root.is-local-control-area(x, y));
            if kind == PointerEventKind.down && remote-target
                && button != PointerEventButton.other {
                input-focus.focus();
                root.set-remote-button(button, true);
                root.pointer-input(button, kind, x, y);
            } else if kind == PointerEventKind.move && remote-target {
                root.pointer-input(button, kind, x, y);
            }
        }
    }

    function route-remote-scroll(dx: length, dy: length, x: length, y: length) {
        if root.window-active && root.mouse-control-enabled && !root.control-menu-open
            && !root.is-local-control-area(x, y) {
            root.scroll-input(dx, dy, x, y);
        }
    }

    function arm-control-drag(x: length, y: length) {
        root.close-control-menus();
        root.control-drag-start-x = x;
        root.control-drag-start-y = y;
        root.control-drag-pending = true;
    }

    function update-control-drag(button: PointerEventButton, kind: PointerEventKind,
        x: length, y: length) {
        if kind == PointerEventKind.cancel
            || (kind == PointerEventKind.up && button == PointerEventButton.left) {
            // Slint emits clicked before pointer-up. Resolve logo clicks here
            // so a captured drag can never also toggle the toolbar.
            let toggle-expanded = kind == PointerEventKind.up && root.control-drag-pending
                && !root.control-dragging
                && root.window-active && !root.remote-update-visible
                && x >= control.x + logo-button.x && x < control.x + logo-button.x + logo-button.width
                && y >= control.y + logo-button.y && y < control.y + logo-button.y + logo-button.height;
            root.control-drag-pending = false;
            root.end-control-drag();
            if toggle-expanded { root.control-expanded = !root.control-expanded; }
        } else if kind == PointerEventKind.move && root.control-drag-pending {
            if !root.control-dragging
                && (abs(x - root.control-drag-start-x) >= 5px
                    || abs(y - root.control-drag-start-y) >= 5px) {
                root.begin-control-drag(root.control-drag-start-x, root.control-drag-start-y);
            }
            root.move-control-drag(x, y);
        }
    }

    animate display-menu-progress {
        duration: 120ms;
        easing: ease-out;
        enabled: root.display-menu-animation-enabled;
    }

    display-menu-open-timer := Timer {
        interval: 16ms;
        running: false;
        triggered => {
            self.running = false;
            if root.display-menu-open {
                root.display-menu-animation-enabled = true;
                root.display-menu-progress = 1.0;
            }
        }
    }

    changed hovered-control => {
        root.control-tooltip-visible = false;
        control-tooltip-timer.running = root.hovered-control.text != "";
        if root.hovered-control.text != "" { control-tooltip-timer.restart(); }
    }
    control-tooltip-timer := Timer {
        interval: 450ms;
        running: false;
        triggered => {
            self.running = false;
            root.control-tooltip-visible = true;
        }
    }

    is-local-control-area(pointer-x, pointer-y) => {
        if root.remote-update-visible { return true; }
        let over-control = pointer-x >= root.control-surface-x
            && pointer-x <= root.control-surface-x + root.control-surface-width
            && pointer-y >= control.y
            && pointer-y <= control.y + control.height;
        let over-stats = root.stats-visible && root.control-content-visible
            && pointer-x >= control.x && pointer-x <= control.x + control.width
            && pointer-y >= root.stats-panel-y && pointer-y <= root.stats-panel-y + root.stats-panel-height;
        let display-menu-x = control.x + display-button.x;
        let over-display-menu = root.display-menu-open
            && pointer-x >= display-menu-x
            && pointer-x <= display-menu-x + 180px
            && pointer-y >= root.display-menu-y
            && pointer-y <= root.display-menu-y + root.display-menu-height;
        let shortcut-menu-x = control.x + shortcut-button.x;
        let over-shortcut-menu = root.shortcut-menu-open
            && pointer-x >= shortcut-menu-x
            && pointer-x <= shortcut-menu-x + 180px
            && pointer-y >= root.shortcut-menu-y
            && pointer-y <= root.shortcut-menu-y + root.shortcut-menu-height;
        let over-video-menu = root.video-menu-open
            && pointer-x >= root.video-menu-x && pointer-x <= root.video-menu-x + root.video-menu-width
            && pointer-y >= root.video-menu-y && pointer-y <= root.video-menu-y + root.video-menu-height;
        let over-disconnect-menu = root.disconnect-menu-open
            && pointer-x >= root.disconnect-menu-x && pointer-x <= root.disconnect-menu-x + root.disconnect-menu-width
            && pointer-y >= root.disconnect-menu-y && pointer-y <= root.disconnect-menu-y + root.disconnect-menu-height;
        let over-file-panel = root.file-transfer-visible
            && pointer-x >= root.file-panel-x && pointer-x <= root.file-panel-x + root.file-panel-width
            && pointer-y >= root.file-panel-y && pointer-y <= root.file-panel-y + root.file-panel-height;
        return over-control || over-stats || over-display-menu || over-shortcut-menu
            || over-video-menu || over-disconnect-menu || over-file-panel;
    }

    begin-control-drag(press-x, press-y) => {
        // Capture the snapped position before switching x to control-drag-x.
        // Otherwise a second press briefly restores the previous drag target
        // and makes a plain click move the control bar.
        let current-x = control.x;
        let current-y = control.y;
        root.control-drag-x = current-x;
        // Store the pointer offset in the control bar, while all following
        // pointer positions remain relative to the stationary video surface.
        root.control-press-x = press-x - current-x;
        root.control-press-y = press-y - current-y;
        root.close-control-menus();
        root.control-dragging = true;
    }
    move-control-drag(pointer-x, pointer-y) => {
        if root.control-dragging {
            root.control-drag-x = min(max(0px, pointer-x - root.control-press-x), video.width - control.width);
            root.control-pos-y = min(max(0px, pointer-y - root.control-press-y), video.height - control.height);
        }
    }
    end-control-drag() => {
        if root.control-dragging {
            root.control-docked-left = root.control-drag-x + control.width / 2 < video.width / 2;
            root.control-pos-y = min(max(0px, control.y), video.height - control.height);
            root.control-dragging = false;
        }
    }

    window-surface := Rectangle {
        width: root.width;
        height: root.height;
        background: root.native-video-enabled ? transparent : black;
        border-radius:
            root.custom-titlebar && !root.fullscreen-enabled && !root.window-maximized
                ? root.window-corner-radius : 0px;
        clip: root.custom-titlebar && !root.fullscreen-enabled;

        if root.custom-titlebar && !root.fullscreen-enabled: Rectangle {
            x: 0px;
            y: 0px;
            width: parent.width;
            height: root.titlebar-height;
            background: #f6f5f4;
            z: 100;

            Text {
                x: 120px;
                width: parent.width - 240px;
                height: parent.height;
                text: "CrossDesk";
                color: root.window-active ? #3d3d3d : #747474;
                font-size: 12px;
                font-weight: 600;
                horizontal-alignment: center;
                vertical-alignment: center;
                overflow: elide;
            }
            stream-title-drag-area := TouchArea {
                width: parent.width - 120px;
                property <int> phase: self.pressed ? 1 : 0;
                changed phase => {
                    root.stream-title-drag(phase, self.mouse-x, self.mouse-y);
                }
                moved => {
                    if (self.pressed) {
                        root.stream-title-drag(2, self.mouse-x, self.mouse-y);
                    }
                }
                double-clicked => {
                    root.toggle-maximize-stream-window();
                }
            }
            stream-minimize-button := Rectangle {
                x: parent.width - 114px;
                y: 4px;
                width: 24px;
                height: 24px;
                border-radius: 12px;
                background: stream-minimize-touch.pressed ? #c0bfbc
                          : stream-minimize-touch.has-hover ? #deddda
                          : root.window-active ? #e6e6e6
                                               : transparent;
                accessible-role: button;
                accessible-label: "Minimize";
                accessible-action-default => { stream-minimize-touch.clicked(); }
                Rectangle {
                    x: 8px;
                    y: 13px;
                    width: 8px;
                    height: 0.75px;
                    background: root.window-active
                        || stream-minimize-touch.has-hover
                        || stream-minimize-touch.pressed ? #454545 : #898989;
                }
                stream-minimize-touch := TouchArea {
                    clicked => { root.minimize-stream-window(); }
                }
            }
            stream-maximize-button := Rectangle {
                x: parent.width - 74px;
                y: 4px;
                width: 24px;
                height: 24px;
                border-radius: 12px;
                background: stream-maximize-touch.pressed ? #c0bfbc
                          : stream-maximize-touch.has-hover ? #deddda
                          : root.window-active ? #e6e6e6
                                               : transparent;
                accessible-role: button;
                accessible-label: root.window-maximized ? "Restore" : "Maximize";
                accessible-action-default => { stream-maximize-touch.clicked(); }
                if !root.window-maximized: Rectangle {
                    x: 8px;
                    y: 8px;
                    width: 8px;
                    height: 8px;
                    background: transparent;
                    border-width: 1px;
                    border-color: root.window-active
                        || stream-maximize-touch.has-hover
                        || stream-maximize-touch.pressed ? #454545 : #898989;
                }
                if root.window-maximized: Rectangle {
                    x: 9px;
                    y: 7px;
                    width: 8px;
                    height: 8px;
                    background: transparent;
                    border-width: 1px;
                    border-color: root.window-active
                        || stream-maximize-touch.has-hover
                        || stream-maximize-touch.pressed ? #454545 : #898989;
                }
                if root.window-maximized: Rectangle {
                    x: 7px;
                    y: 9px;
                    width: 8px;
                    height: 8px;
                    background: stream-maximize-button.background;
                    border-width: 1px;
                    border-color: root.window-active
                        || stream-maximize-touch.has-hover
                        || stream-maximize-touch.pressed ? #454545 : #898989;
                }
                stream-maximize-touch := TouchArea {
                    clicked => { root.toggle-maximize-stream-window(); }
                }
            }
            stream-close-button := Rectangle {
                x: parent.width - 34px;
                y: 4px;
                width: 24px;
                height: 24px;
                border-radius: 12px;
                background: stream-close-touch.pressed ? #b2161d
                          : stream-close-touch.has-hover ? #e01b24
                          : root.window-active ? #e6e6e6
                                               : transparent;
                accessible-role: button;
                accessible-label: "Close";
                accessible-action-default => { stream-close-touch.clicked(); }
                Path {
                    width: parent.width;
                    height: parent.height;
                    viewbox-width: 24;
                    viewbox-height: 24;
                    commands: "M 14.75 14.75 L 8.25 8.25 M 14.75 8.25 L 8.25 14.75";
                    stroke: stream-close-touch.has-hover
                        || stream-close-touch.pressed ? white
                        : root.window-active ? #454545 : #898989;
                    stroke-width: 1px;
                }
                stream-close-touch := TouchArea {
                    clicked => { root.close-stream-window(); }
                }
            }
            Rectangle {
                y: parent.height - 1px;
                height: 1px;
                background: #d5d3d0;
            }
        }

        content-layer := Rectangle {
            y: root.titlebar-height;
            width: parent.width;
            height: parent.height - self.y;
            background: root.native-video-enabled ? transparent : black;
            clip: true;

        // Keep the ImGui tab strip behavior, including pointer-drag reordering.
        Rectangle {
            y: 0px;
            height: root.tabs.length > 1 ? 30px : 0px;
            visible: !root.fullscreen-enabled && root.tabs.length > 1;
            background: #f1f2f4;
            z: 10;
            HorizontalLayout {
                spacing: 1px;
                for tab[index] in root.tabs: tab-item := Rectangle {
                    width: min(190px, max(110px, (parent.width - 12px) / root.tabs.length));
                    background: index == root.selected-tab ? white : tab-touch.has-hover || root.dragging-tab == index ? #e5e7eb : #d8dbe0;
                    border-width: root.dragging-tab == index ? 1px : 0px;
                    border-color: #2463c7;
                    Rectangle {
                        width: parent.width - 27px;
                        height: parent.height;
                        background: transparent;
                        Text {
                            x: 0px;
                            width: parent.width - self.x;
                            height: parent.height;
                            text: tab.title;
                            color: #30343b;
                            font-size: ImGuiFontStyle.base;
                            overflow: elide;
                            vertical-alignment: center;
                        }
                    }
                    Rectangle {
                        y: parent.height - 2px;
                        height: 2px;
                        background: index == root.selected-tab ? #3b82f6 : transparent;
                    }
                    tab-touch := TouchArea {
                        width: parent.width - 27px;
                        changed pressed => {
                            if (self.pressed) {
                                root.dragging-tab = index;
                            } else if (root.dragging-tab == index) {
                                root.reorder-tab(index, tab-item.x + self.mouse-x, tab-item.width);
                                root.dragging-tab = -1;
                            }
                        }
                        clicked => { root.selected-tab = index; root.select-tab(index); }
                    }
                    IconButton {
                        x: parent.width - 27px;
                        y: 1px;
                        width: 27px;
                        height: 27px;
                        z: 2;
                        icon: FontAwesomeIcons.xmark;
                        icon-size: 11px;
                        icon-color: #555c66;
                        danger: true;
                        clicked => { root.close-tab(tab.remote-id); }
                    }
                }
            }
        }

        video := Rectangle {
            y: root.fullscreen-enabled ? 0px : (root.tabs.length > 1 ? 30px : 0px);
            height: parent.height - self.y;
            background: root.native-video-enabled ? transparent : black;
            clip: true;

            frame-image := Image {
                width: parent.width;
                height: parent.height;
                source: root.frame;
                image-fit: contain;
                visible: root.has-frame && !root.native-video-enabled;
            }

            Text {
                // A connection state and the frame-waiting state may change in
                // the same UI tick. Render them through one text item so two
                // independent labels can never occupy the center together.
                visible: !root.has-frame && (root.receiving-text != "" || root.status-text != "");
                text: root.receiving-text != "" ? root.receiving-text : root.status-text;
                color: root.receiving-text != "" ? #ffffffea : white;
                font-size: root.receiving-text != "" ? 14px : ImGuiFontStyle.prominent;
                horizontal-alignment: center;
                vertical-alignment: center;
            }

            drop-zone := DropArea {
                can-drop(event) => {
                    return !root.remote-update-visible && root.can-drop-file(event.data)
                        ? DragAction.copy : DragAction.none;
                }
                dropped(event) => {
                    if root.remote-update-visible { return DragAction.none; }
                    root.file-dropped(event.data);
                    return DragAction.copy;
                }
            }

            input-focus := FocusScope {
                focus-on-click: true;
                focus-gained => { root.keyboard-focus-changed(true); }
                focus-lost => { root.keyboard-focus-changed(false); }
                key-pressed(event) => {
                    if !root.remote-update-visible {
                        root.key-input(event.text, true, event.modifiers.control, event.modifiers.alt, event.modifiers.shift, event.modifiers.meta);
                    }
                    accept
                }
                key-released(event) => {
                    if root.remote-update-visible {
                        // Dismiss on release so the same key cannot reach the peer.
                        if event.text == Key.Escape || event.text == Key.Return {
                            root.dismiss-remote-update();
                        }
                    } else {
                        root.key-input(event.text, false, event.modifiers.control, event.modifiers.alt, event.modifiers.shift, event.modifiers.meta);
                    }
                    accept
                }
                pointer := TouchArea {
                    mouse-cursor: root.remote-cursor-active
                        ? RemoteCursor.shape(root.remote-cursor-shape) : MouseCursor.default;
                    pointer-event(event) => {
                        root.route-remote-pointer(event.button, event.kind, self.mouse-x, self.mouse-y);
                    }
                    scroll-event(event) => {
                        root.route-remote-scroll(event.delta-x, event.delta-y, self.mouse-x, self.mouse-y);
                        accept
                    }
                }
            }

            // Slint drops its implicit grab on any button-up. Keep the same
            // owner above local UI until every remote button has been released.
            // The logo also retains a stable owner if another button is used.
            if root.remote-pointer-active || root.control-drag-pending: TouchArea {
                z: 15;
                mouse-cursor: root.control-drag-pending ? MouseCursor.grabbing
                    : root.remote-cursor-active ? RemoteCursor.shape(root.remote-cursor-shape)
                    : MouseCursor.default;
                pointer-event(event) => {
                    if root.control-drag-pending {
                        root.update-control-drag(event.button, event.kind, self.mouse-x, self.mouse-y);
                    } else {
                        root.route-remote-pointer(event.button, event.kind, self.mouse-x, self.mouse-y);
                    }
                }
                scroll-event(event) => {
                    if !root.control-drag-pending {
                        root.route-remote-scroll(event.delta-x, event.delta-y, self.mouse-x, self.mouse-y);
                    }
                    accept
                }
            }

            // Keep the toolbar anchor and hit area stable while the visual
            // capsule grows from the logo's docked edge.
            control := Rectangle {
                x: root.control-dragging ? root.control-drag-x : root.control-docked-left ? 0px : parent.width - self.width;
                y: min(max(0px, root.control-pos-y), parent.height - self.height);
                width: root.control-visual-expanded ? min(80px + 9 * root.control-button-step + root.control-disconnect-gap, parent.width) : root.control-toolbar-height;
                height: root.control-toolbar-height;
                z: 10;

                if root.control-visual-expanded: StreamControlSurface {
                    width: root.control-surface-width;
                    height: root.control-toolbar-height;
                    x: root.control-docked-left ? 0px : parent.width - self.width;
                    border-radius: root.control-toolbar-height / 2;
                    opacity: min(1, root.control-reveal-progress / 0.15);
                }

                // Padding stays local; only the logo starts dragging.
                TouchArea {
                    x: root.control-surface-x - control.x;
                    width: root.control-surface-width;
                    mouse-cursor: default;
                    clicked => { root.close-control-menus(); }
                    scroll-event(event) => { accept }
                }

                display-button := ControlBarButton {
                    reveal-progress: root.control-content-progress;
                    visible: root.control-content-visible;
                    action-enabled: root.control-expanded;
                    x: root.control-buttons-x;
                    y: (parent.height - self.height) / 2;
                    icon: FontAwesomeIcons.display;
                    badge: root.selected-display + 1;
                    tooltip: StreamStrings.select-display;
                    clicked => {
                        display-menu-open-timer.running = false;
                        root.display-menu-animation-enabled = false;
                        root.display-menu-progress = 0.0;
                        root.display-menu-open = !root.display-menu-open;
                        root.shortcut-menu-open = false;
                        root.video-menu-open = false;
                        root.disconnect-menu-open = false;
                        if root.display-menu-open {
                            display-menu-open-timer.running = true;
                        }
                    }
                }
                shortcut-button := ControlBarButton {
                    reveal-progress: root.control-content-progress;
                    visible: root.control-content-visible;
                    action-enabled: root.control-expanded;
                    x: root.control-buttons-x + root.control-button-step;
                    y: (parent.height - self.height) / 2;
                    icon: FontAwesomeIcons.keyboard; tooltip: StreamStrings.send-shortcut;
                    clicked => {
                        display-menu-open-timer.running = false;
                        root.display-menu-animation-enabled = false;
                        root.display-menu-progress = 0.0;
                        root.shortcut-menu-open = !root.shortcut-menu-open;
                        root.display-menu-open = false;
                        root.video-menu-open = false;
                        root.disconnect-menu-open = false;
                    }
                }
                mouse-button := ControlBarButton {
                    reveal-progress: root.control-content-progress;
                    visible: root.control-content-visible;
                    action-enabled: root.control-expanded;
                    x: root.control-buttons-x + 2 * root.control-button-step;
                    y: (parent.height - self.height) / 2;
                    icon: FontAwesomeIcons.computer-mouse; slashed: !root.mouse-control-enabled;
                    tooltip: root.mouse-control-enabled ? StreamStrings.release-mouse : StreamStrings.control-mouse;
                    clicked => { root.close-control-menus(); root.toggle-mouse-control(); }
                }
                audio-button := ControlBarButton {
                    reveal-progress: root.control-content-progress;
                    visible: root.control-content-visible;
                    action-enabled: root.control-expanded;
                    x: root.control-buttons-x + 4 * root.control-button-step;
                    y: (parent.height - self.height) / 2;
                    icon: FontAwesomeIcons.volume-high; slashed: !root.audio-enabled;
                    tooltip: root.audio-enabled ? StreamStrings.mute : StreamStrings.audio;
                    clicked => { root.close-control-menus(); root.toggle-audio(); }
                }
                file-button := ControlBarButton {
                    reveal-progress: root.control-content-progress;
                    visible: root.control-content-visible;
                    action-enabled: root.control-expanded;
                    x: root.control-buttons-x + 5 * root.control-button-step;
                    y: (parent.height - self.height) / 2;
                    icon: FontAwesomeIcons.folder-open; tooltip: StreamStrings.select-file;
                    clicked => { root.close-control-menus(); root.select-file(); }
                }
                video-button := ControlBarButton {
                    reveal-progress: root.control-content-progress;
                    visible: root.control-content-visible;
                    action-enabled: root.control-expanded;
                    x: root.control-buttons-x + 6 * root.control-button-step;
                    y: (parent.height - self.height) / 2;
                    icon: "\u{f1de}"; selected: root.video-menu-open;
                    tooltip: StreamStrings.video-settings;
                    clicked => {
                        root.video-menu-open = !root.video-menu-open;
                        root.display-menu-open = false;
                        root.shortcut-menu-open = false;
                        root.disconnect-menu-open = false;
                    }
                }
                stats-button := ControlBarButton {
                    reveal-progress: root.control-content-progress;
                    visible: root.control-content-visible;
                    action-enabled: root.control-expanded;
                    x: root.control-buttons-x + 7 * root.control-button-step;
                    y: (parent.height - self.height) / 2;
                    icon: FontAwesomeIcons.signal; selected: root.stats-visible;
                    tooltip: root.stats-visible ? StreamStrings.hide-stats : StreamStrings.show-stats;
                    clicked => { root.close-control-menus(); root.toggle-stats(); }
                }
                fullscreen-button := ControlBarButton {
                    reveal-progress: root.control-content-progress;
                    visible: root.control-content-visible;
                    action-enabled: root.control-expanded;
                    x: root.control-buttons-x + 8 * root.control-button-step;
                    y: (parent.height - self.height) / 2;
                    icon: root.fullscreen-enabled ? FontAwesomeIcons.compress : FontAwesomeIcons.expand;
                    tooltip: root.fullscreen-enabled ? StreamStrings.exit-fullscreen : StreamStrings.fullscreen;
                    clicked => { root.close-control-menus(); root.toggle-fullscreen(); }
                }
                if root.control-content-visible: Rectangle {
                    opacity: root.control-content-progress;
                    x: close-button.x - 6px; y: 12px;
                    width: 1px; height: 14px;
                    background: #dbe5f1;
                }
                close-button := ControlBarButton {
                    reveal-progress: root.control-content-progress;
                    visible: root.control-content-visible;
                    action-enabled: root.control-expanded;
                    x: root.control-buttons-x + 9 * root.control-button-step + root.control-disconnect-gap;
                    y: (parent.height - self.height) / 2;
                    icon: FontAwesomeIcons.xmark; tooltip: StreamStrings.disconnect;
                    danger: true;
                    selected: root.disconnect-menu-open;
                    clicked => {
                        let open = !root.disconnect-menu-open;
                        root.close-control-menus();
                        root.disconnect-menu-open = open;
                    }
                }

                logo-button := ControlBarButton {
                    // Stay under the pointer across expansion and collapse.
                    x: root.control-docked-left ? 0px : parent.width - self.width;
                    y: 0px;
                    width: root.control-toolbar-height;
                    height: root.control-toolbar-height;
                    show-logo: true;
                    logo-pressed: root.control-drag-pending;
                    logo-dragging: self.logo-pressed && root.control-dragging;
                    tooltip: root.control-expanded ? StreamStrings.collapse-control : StreamStrings.expand-control;
                    pointer-input(button, kind, pointer-x, pointer-y) => {
                        let x = control.x + logo-button.x + pointer-x;
                        let y = control.y + logo-button.y + pointer-y;
                        if kind == PointerEventKind.down && button == PointerEventButton.left {
                            root.arm-control-drag(x, y);
                        } else {
                            root.update-control-drag(button, kind, x, y);
                        }
                    }
                }

                privacy-button := ControlBarButton {
                    reveal-progress: root.control-content-progress;
                    visible: root.control-content-visible;
                    x: root.control-buttons-x + 3 * root.control-button-step;
                    y: (parent.height - self.height) / 2;
                    icon: FontAwesomeIcons.user-secret;
                    slashed: root.privacy-off && !root.privacy-unsupported;
                    muted: root.privacy-unsupported;
                    action-enabled: root.control-expanded && root.privacy-can-toggle;
                    tooltip: root.privacy-status-text
                        + (root.privacy-can-toggle ? "\n" + (root.privacy-active
                            ? StreamStrings.privacy-disable : StreamStrings.privacy-enable) : "");
                    clicked => { root.close-control-menus(); root.toggle-privacy(); }
                }
            }

            if root.stats-visible && root.control-content-visible: stats-panel := StreamControlSurface {
                x: control.x; y: root.stats-panel-y;
                width: control.width; height: root.stats-panel-height;
                opacity: root.control-content-progress;
                z: 10;
                clip: true;
                TouchArea {
                    mouse-cursor: default;
                    clicked => { root.close-control-menus(); }
                    scroll-event(event) => { accept }
                }
                stats-table := Rectangle {
                    x: 8px;
                    y: 8px;
                    width: parent.width - 16px;
                    height: root.stats-content-height;
                    background: transparent;
                    private property <length> row-height: root.stats-row-height;
                    private property <length> label-column-width: 50px;
                    private property <length> loss-column-width:
                        max(56px, stats-loss-label.preferred-width + 12px);
                    private property <length> value-column-width:
                        (self.width - self.label-column-width - self.loss-column-width) / 2;
                    private property <length> details-right-width:
                        right-label-width-probe.preferred-width + 6px
                            + max(resolution-width-probe.preferred-width,
                                connection-latency-width-probe.preferred-width,
                                encryption-width-probe.preferred-width + 12px
                                    + (root.stats-encryption-enabled ? 14px : 0px));
                    private property <length> details-right-x:
                        min(self.width / 2 + 4px, self.width - self.details-right-width - 8px);

                    left-label-width-probe := Text {
                        visible: false;
                        text: "FPS\n" + StreamStrings.stats-video-latency
                            + "\n" + StreamStrings.stats-connection-mode;
                        font-size: ImGuiFontStyle.small;
                    }
                    right-label-width-probe := Text {
                        visible: false;
                        text: StreamStrings.stats-resolution + "\n" + StreamStrings.stats-connection-latency
                            + "\n" + StreamStrings.stats-encryption;
                        font-size: ImGuiFontStyle.small;
                    }
                    resolution-width-probe := Text {
                        visible: false;
                        text: root.stats-resolution;
                        font-size: ImGuiFontStyle.body;
                        font-weight: 600;
                    }
                    connection-latency-width-probe := Text {
                        visible: false;
                        text: root.stats-connection-latency;
                        font-size: ImGuiFontStyle.body;
                        font-weight: 600;
                    }
                    encryption-width-probe := Text {
                        visible: false;
                        text: root.stats-encryption-enabled
                            ? StreamStrings.stats-encryption-enabled : StreamStrings.stats-encryption-disabled;
                        font-size: ImGuiFontStyle.small;
                        font-weight: 600;
                    }

                    Rectangle {
                        x: 0px;
                        y: 0px;
                        width: parent.width;
                        height: root.stats-header-height;
                        background: #f5f7fa;
                        border-radius: UiRadius.control;
                        Text {
                            x: stats-table.label-column-width + 4px;
                            width: stats-table.value-column-width - 8px;
                            text: StreamStrings.stats-in;
                            color: #667085;
                            font-size: ImGuiFontStyle.small;
                            horizontal-alignment: right;
                            vertical-alignment: center;
                        }
                        Text {
                            x: stats-table.label-column-width + stats-table.value-column-width + 4px;
                            width: stats-table.value-column-width - 8px;
                            text: StreamStrings.stats-out;
                            color: #667085;
                            font-size: ImGuiFontStyle.small;
                            horizontal-alignment: right;
                            vertical-alignment: center;
                        }
                        stats-loss-label := Text {
                            x: stats-table.label-column-width + stats-table.value-column-width * 2 + 4px;
                            width: stats-table.loss-column-width - 8px;
                            text: StreamStrings.stats-loss-rate;
                            color: #667085;
                            font-size: ImGuiFontStyle.small;
                            horizontal-alignment: right;
                            vertical-alignment: center;
                            overflow: elide;
                        }
                    }

                    for row[index] in root.stats-rows: Rectangle {
                        x: 0px;
                        y: root.stats-header-height + index * stats-table.row-height;
                        width: parent.width;
                        height: stats-table.row-height;
                        background: index == root.stats-rows.length - 1 ? #edf4ff : transparent;
                        border-radius: UiRadius.control;
                        Text {
                            x: 4px;
                            width: stats-table.label-column-width - 8px;
                            text: row.label;
                            color: index == root.stats-rows.length - 1 ? #275188 : #667085;
                            font-size: ImGuiFontStyle.body;
                            font-weight: index == root.stats-rows.length - 1 ? 600 : 400;
                            vertical-alignment: center;
                        }
                        Text {
                            x: stats-table.label-column-width + 4px;
                            width: stats-table.value-column-width - 8px;
                            text: row.inbound;
                            color: index == root.stats-rows.length - 1 ? #275188 : #344054;
                            font-size: ImGuiFontStyle.body;
                            font-weight: index == root.stats-rows.length - 1 ? 600 : 400;
                            horizontal-alignment: right;
                            vertical-alignment: center;
                            overflow: elide;
                        }
                        Text {
                            x: stats-table.label-column-width + stats-table.value-column-width + 4px;
                            width: stats-table.value-column-width - 8px;
                            text: row.outbound;
                            color: index == root.stats-rows.length - 1 ? #275188 : #344054;
                            font-size: ImGuiFontStyle.body;
                            font-weight: index == root.stats-rows.length - 1 ? 600 : 400;
                            horizontal-alignment: right;
                            vertical-alignment: center;
                            overflow: elide;
                        }
                        Text {
                            x: stats-table.label-column-width + stats-table.value-column-width * 2 + 4px;
                            width: stats-table.loss-column-width - 8px;
                            text: row.loss-rate;
                            color: index == root.stats-rows.length - 1 ? #275188 : #667085;
                            font-size: ImGuiFontStyle.body;
                            font-weight: index == root.stats-rows.length - 1 ? 600 : 400;
                            horizontal-alignment: right;
                            vertical-alignment: center;
                            overflow: elide;
                        }
                        if index < root.stats-rows.length - 2: Rectangle {
                            x: 4px;
                            y: parent.height - 1px;
                            width: parent.width - 8px;
                            height: 1px;
                            background: #edf0f4;
                        }
                    }

                    codec-label-width-probe := Text {
                        visible: false;
                        text: StreamStrings.stats-encoder + "\n" + StreamStrings.stats-decoder;
                        font-size: ImGuiFontStyle.small;
                    }
                    Rectangle {
                        x: 0px;
                        y: root.stats-header-height + root.stats-rows.length * stats-table.row-height
                            + 70px;
                        width: parent.width; height: 44px;
                        background: #f7f9fc; border-radius: UiRadius.control;
                        border-width: 1px; border-color: #e8edf4;
                        Rectangle {
                            x: 8px; y: 22px; width: parent.width - 16px; height: 1px;
                            background: #e8edf4;
                        }
                        for codec[index] in [
                            { label: StreamStrings.stats-encoder, value: root.stats-encoder },
                            { label: StreamStrings.stats-decoder, value: root.stats-decoder },
                        ]: Rectangle {
                            x: 8px; y: 2px + index * 21px;
                            width: parent.width - 16px; height: 19px;
                            Text {
                                x: 0px; y: 0px;
                                width: codec-label-width-probe.preferred-width;
                                height: parent.height; text: codec.label;
                                color: #667085; font-size: ImGuiFontStyle.small;
                                vertical-alignment: center;
                            }
                            Text {
                                x: codec-label-width-probe.preferred-width + 8px; y: 0px;
                                width: parent.width - self.x; height: parent.height;
                                text: codec.value; color: #344054;
                                font-size: ImGuiFontStyle.body; font-weight: 500;
                                horizontal-alignment: right;
                                vertical-alignment: center; overflow: elide;
                            }
                        }
                    }

                    for metric[index] in [
                        { label: "FPS", value: root.stats-fps },
                        { label: StreamStrings.stats-resolution, value: root.stats-resolution },
                        { label: StreamStrings.stats-video-latency, value: root.stats-video-latency },
                        { label: StreamStrings.stats-connection-latency, value: root.stats-connection-latency },
                        { label: StreamStrings.stats-connection-mode, value: root.stats-connection-mode },
                        { label: StreamStrings.stats-encryption, value: root.stats-encryption-enabled
                            ? StreamStrings.stats-encryption-enabled : StreamStrings.stats-encryption-disabled },
                    ]: Rectangle {
                        private property <length> encryption-icon-width:
                            index == 5 && root.stats-encryption-enabled ? 14px : 0px;
                        x: mod(index, 2) == 1 ? stats-table.details-right-x : 8px;
                        y: root.stats-header-height + root.stats-rows.length * stats-table.row-height
                            + 4px + floor(index / 2) * 20px;
                        width: mod(index, 2) == 1 ? stats-table.width - stats-table.details-right-x - 8px
                            : stats-table.details-right-x - 18px;
                        height: 20px;
                        metric-label := Text {
                            x: 0px;
                            y: 0px;
                            width: mod(index, 2) == 1 ? right-label-width-probe.preferred-width
                                : left-label-width-probe.preferred-width;
                            height: parent.height;
                            text: metric.label;
                            color: #667085;
                            font-size: ImGuiFontStyle.small;
                            vertical-alignment: center;
                        }
                        value-width-probe := Text {
                            visible: false; text: metric.value;
                            font-size: index >= 4 ? ImGuiFontStyle.small : ImGuiFontStyle.body;
                            font-weight: 600;
                        }
                        metric-value := Rectangle {
                            private property <length> badge-padding: index >= 4 ? 6px : 0px;
                            private property <length> icon-width: parent.encryption-icon-width;
                            width: index >= 4
                                ? min(max(0px, parent.width - metric-label.width - 6px),
                                    value-width-probe.preferred-width + self.badge-padding * 2 + self.icon-width)
                                : max(0px, parent.width - metric-label.width - 6px);
                            x: parent.width - self.width; y: 2px; height: 16px;
                            border-radius: 4px;
                            background: index == 4 ? #edf3fc : index == 5
                                ? (root.stats-encryption-enabled ? #eaf6ee : #fff3e3) : transparent;
                            Text {
                                x: parent.badge-padding; y: 0px; height: parent.height;
                                width: max(0px, parent.width - parent.badge-padding * 2 - parent.icon-width);
                                text: metric.value;
                                color: index == 4 ? #275188 : index == 5
                                    ? (root.stats-encryption-enabled ? #18794e : #946015) : #253247;
                                font-size: index >= 4 ? ImGuiFontStyle.small : ImGuiFontStyle.body;
                                font-weight: 600; horizontal-alignment: right;
                                vertical-alignment: center; overflow: elide;
                            }
                            if index == 5 && root.stats-encryption-enabled: Text {
                                x: parent.width - parent.badge-padding - 10px; y: 2px;
                                width: 10px; height: 12px;
                                text: FontAwesomeIcons.shield-halved;
                                font-family: "Font Awesome 6 Free"; font-weight: 900;
                                font-size: 10px; color: #238653;
                                horizontal-alignment: center; vertical-alignment: center;
                            }
                        }
                    }
                }
            }

            // Dismiss outside gestures on release, keeping the entire click
            // local. Toolbar controls remain above this shared menu backdrop.
            if root.control-menu-open: Rectangle {
                width: parent.width; height: parent.height; z: 9;
                TouchArea {
                    mouse-cursor: default;
                    pointer-event(event) => {
                        if event.kind == PointerEventKind.up { root.close-control-menus(); }
                    }
                    scroll-event(event) => { accept }
                }
            }
            disconnect-panel := StreamControlSurface {
                visible: root.disconnect-menu-open;
                x: root.disconnect-menu-x; y: root.disconnect-menu-y;
                width: root.disconnect-menu-width; height: root.disconnect-menu-height;
                z: 11;
                TouchArea { mouse-cursor: default; scroll-event(event) => { accept } }
                disconnect-title := Text {
                    x: 12px; y: 12px; width: parent.width - 24px;
                    height: max(20px, self.preferred-height);
                    text: StreamStrings.confirm-disconnect;
                    color: #30343b; font-size: 14px; font-weight: 600;
                    vertical-alignment: center; wrap: word-wrap;
                }
                disconnect-message := Text {
                    x: 12px; y: disconnect-title.y + disconnect-title.height + 4px;
                    width: parent.width - 24px; height: max(18px, self.preferred-height);
                    text: StreamStrings.disconnect-description;
                    color: #667085; font-size: 12px; wrap: word-wrap;
                }
                disconnect-actions := HorizontalLayout {
                    x: parent.width - self.width - 12px;
                    y: disconnect-message.y + disconnect-message.height + 12px;
                    width: 168px; height: 28px;
                    spacing: 8px;
                    SecondaryButton {
                        width: 72px;
                        height: 28px;
                        text: StreamStrings.cancel;
                        clicked => { root.close-control-menus(); }
                    }
                    Rectangle {
                        width: 88px;
                        background: confirm-disconnect-touch.pressed ? #912018
                            : confirm-disconnect-touch.has-hover ? #b42318 : #d92d20;
                        border-radius: UiRadius.control;
                        Text {
                            text: StreamStrings.disconnect;
                            color: white; font-size: ImGuiFontStyle.body;
                            horizontal-alignment: center; vertical-alignment: center;
                        }
                        confirm-disconnect-touch := TouchArea {
                            mouse-cursor: MouseCursor.pointer;
                            scroll-event(event) => { accept }
                            clicked => {
                                root.close-control-menus();
                                root.disconnect();
                            }
                        }
                    }
                }
            }
            if root.video-menu-open: StreamControlSurface {
                x: root.video-menu-x; y: root.video-menu-y;
                width: root.video-menu-width; height: root.video-menu-height;
                z: 11;
                TouchArea {
                    mouse-cursor: default;
                    scroll-event(event) => { accept }
                }
                VerticalLayout {
                    padding: 10px; spacing: 8px;
                    VideoSettingRow {
                        label: StreamStrings.video-quality;
                        options: [StreamStrings.quality-low, StreamStrings.quality-medium, StreamStrings.quality-high];
                        selected: root.video-quality-index; enabled: root.video-settings-enabled;
                        choose(index) => { root.change-video-settings(index, root.frame-rate-index, root.adaptation-policy-index); }
                    }
                    VideoSettingRow {
                        label: StreamStrings.frame-rate; options: ["30 fps", "60 fps"];
                        selected: root.frame-rate-index; enabled: root.video-settings-enabled;
                        choose(index) => { root.change-video-settings(root.video-quality-index, index, root.adaptation-policy-index); }
                    }
                    VideoSettingRow {
                        label: StreamStrings.adaptation-policy;
                        options: [StreamStrings.priority-frame-rate, StreamStrings.priority-quality, StreamStrings.priority-balanced];
                        selected: root.adaptation-policy-index; enabled: root.video-settings-enabled;
                        choose(index) => { root.change-video-settings(root.video-quality-index, root.frame-rate-index, index); }
                    }
                    if !root.video-settings-enabled || root.video-settings-feedback != "": Text {
                        text: root.video-settings-enabled ? root.video-settings-feedback : StreamStrings.video-settings-unavailable; wrap: word-wrap;
                        color: #8b8f95; font-size: 11px;
                    }
                }
            }

            if root.display-menu-open: display-menu := StreamControlSurface {
                private property <length> expanded-height: root.display-menu-height;
                private property <int> hovered-index:
                    display-touch.has-hover && display-touch.mouse-y >= 8px
                        && floor((display-touch.mouse-y - 8px) / 30px) < root.displays.length
                    ? floor((display-touch.mouse-y - 8px) / 30px) : -1;
                x: control.x + display-button.x;
                y: root.display-menu-y;
                width: 180px;
                height: self.expanded-height * root.display-menu-progress;
                opacity: root.display-menu-progress;
                clip: true;
                z: 11;

                VerticalLayout {
                    padding: 8px; spacing: 1px;
                    for display[index] in root.displays: Rectangle {
                        height: 29px;
                        background: index == display-menu.hovered-index && display-touch.pressed ? #bfd4f2
                                  : index == display-menu.hovered-index ? #d8e6f8
                                  : index == root.selected-display ? #e8eef9
                                                                   : transparent;
                        border-radius: UiRadius.control;
                        Text {
                            x: 8px;
                            width: parent.width - 34px;
                            text: display;
                            color: #30343b;
                            font-size: ImGuiFontStyle.body;
                            overflow: elide;
                            vertical-alignment: center;
                        }
                        if index == root.selected-display: Text {
                            x: parent.width - 24px;
                            width: 16px;
                            text: FontAwesomeIcons.check;
                            color: #2463c7;
                            font-family: "Font Awesome 6 Free";
                            font-weight: 900;
                            font-size: 10px;
                            horizontal-alignment: center;
                            vertical-alignment: center;
                        }
                    }
                }
                // Use one hit target for the whole popup. A single owner keeps
                // hover stable while still consuming padding, gaps and scroll
                // events locally instead of forwarding them to the peer.
                display-touch := TouchArea {
                    mouse-cursor: default;
                    clicked => {
                        let index = floor((self.mouse-y - 8px) / 30px);
                        let row-y = self.mouse-y - 8px - index * 30px;
                        if self.mouse-y >= 8px && row-y < 29px
                            && index >= 0 && index < root.displays.length {
                            display-menu-open-timer.running = false;
                            root.display-menu-animation-enabled = false;
                            root.display-menu-progress = 0.0;
                            root.selected-display = index;
                            root.switch-display(index);
                            root.display-menu-open = false;
                        }
                    }
                    scroll-event(event) => { accept }
                }
            }

            if root.shortcut-menu-open: StreamControlSurface {
                x: control.x + shortcut-button.x; y: root.shortcut-menu-y;
                width: 180px; height: root.shortcut-menu-height; z: 11;
                TouchArea { mouse-cursor: default; scroll-event(event) => { accept } }
                VerticalLayout {
                    padding: 8px; spacing: 1px;
                    for shortcut in root.shortcut-items: Rectangle {
                        height: 29px; background: shortcut-touch.has-hover ? #e8eef9 : transparent;
                        Text { x: 8px; text: shortcut; color: #30343b; font-size: ImGuiFontStyle.body; vertical-alignment: center; }
                        shortcut-touch := TouchArea {
                            mouse-cursor: MouseCursor.pointer;
                            scroll-event(event) => { accept }
                            clicked => { root.send-shortcut(shortcut); root.shortcut-menu-open = false; }
                        }
                    }
                }
            }

            // Measure unwrapped text so short hints stay compact. Render outside
            // the clipped control bar, capping longer hints before wrapping.
            control-tooltip-width-probe := Text {
                visible: false;
                text: root.hovered-control.text;
                font-size: ImGuiFontStyle.body;
            }
            if root.hovered-control.text != "" && root.control-tooltip-visible: Rectangle {
                width: min(240px, video.width - 8px,
                    control-tooltip-width-probe.preferred-width + 16px);
                x: min(max(4px, control.x + root.hovered-control.anchor-x - self.width / 2),
                    video.width - self.width - 4px);
                height: control-tip.preferred-height + 12px;
                // Anchor to the button row so expanded stats stay beneath the tooltip.
                y: control.y + root.control-toolbar-height + self.height + 8px <= video.height
                    ? control.y + root.control-toolbar-height + 4px : max(4px, control.y - self.height - 4px);
                background: #30343bf5; border-radius: UiRadius.control; z: 12;
                control-tip := Text {
                    x: 8px; y: 6px; width: parent.width - 16px;
                    text: root.hovered-control.text;
                    color: white; font-size: ImGuiFontStyle.body; wrap: word-wrap;
                }
            }

            if root.remote-update-visible: Rectangle {
                width: parent.width; height: parent.height;
                background: #0c162c52;
                z: 13;
                TouchArea {
                    mouse-cursor: default;
                    scroll-event(event) => { accept }
                }
            }
            remote-update-banner := DialogSurface {
                visible: root.remote-update-visible;
                x: (parent.width - self.width) / 2;
                y: min(max(64px, parent.height * 0.18), max(16px, parent.height - self.height - 16px));
                width: min(400px, parent.width - 48px);
                height: remote-update-message.y + remote-update-message.height + 84px;
                border-color: #e5e9f0;
                border-radius: UiRadius.surface;
                drop-shadow-color: #07142b30;
                drop-shadow-blur: 32px;
                drop-shadow-offset-y: 12px;
                z: 14;
                TouchArea {
                    mouse-cursor: default;
                    scroll-event(event) => { accept }
                }
                remote-update-title := Text {
                    x: 24px; y: 24px; width: parent.width - 80px;
                    height: max(28px, self.preferred-height);
                    text: StreamStrings.remote-update-title;
                    color: #1b2433; font-size: 20px; font-weight: 600;
                    wrap: word-wrap;
                }
                remote-update-message := Text {
                    x: remote-update-title.x;
                    y: remote-update-title.y + remote-update-title.height + 8px;
                    width: parent.width - 48px;
                    height: max(22px, self.preferred-height);
                    text: StreamStrings.remote-update;
                    color: #667085; font-size: 15px;
                    wrap: word-wrap;
                }
                IconButton {
                    x: parent.width - 44px; y: 12px; width: 32px; height: 32px;
                    icon: FontAwesomeIcons.xmark; icon-size: 14px;
                    icon-color: #8a93a3;
                    hover-background: #f2f4f7;
                    clicked => { root.dismiss-remote-update(); }
                }
                PrimaryButton {
                    x: parent.width - 128px; y: parent.height - 60px;
                    width: 104px; height: 36px;
                    border-radius: UiRadius.control;
                    text: StreamStrings.remote-update-dismiss;
                    text-size: 14px;
                    clicked => { root.dismiss-remote-update(); }
                }
            }

            // Transfer progress overlay at bottom-left.
            if root.file-transfer-visible: Rectangle {
                x: root.file-panel-x; y: root.file-panel-y;
                width: root.file-panel-width; height: root.file-panel-height;
                background: #fffffff0; border-width: 1px; border-color: ImGuiLineStyle.border; border-radius: UiRadius.surface; z: 7;
                // Header/padding and drags leaving the panel belong to local UI.
                TouchArea {
                    mouse-cursor: default;
                    scroll-event(event) => { accept }
                }
                Text { x: 12px; y: 8px; text: StreamStrings.file-transfer; color: #2d3138; font-weight: 600; }
                IconButton {
                    x: parent.width - 32px; y: 1px; icon: FontAwesomeIcons.xmark; icon-size: 13px;
                    clicked => { root.close-file-transfer(); }
                }
                ScrollView {
                    x: 10px; y: 32px; width: parent.width - 20px; height: parent.height - 42px;
                    VerticalLayout {
                        // Slint's ScrollView draws its vertical scrollbar over
                        // the viewport. Reserve a gutter so transfer content
                        // never extends underneath it.
                        padding-right: 16px;
                        spacing: 8px;
                        for entry in root.file-transfers: VerticalLayout {
                            spacing: 3px;
                            HorizontalLayout { height: 18px; Text { text: entry.name; color: #30343b; font-size: ImGuiFontStyle.body; overflow: elide; } Text { width: 80px; text: entry.status; color: #5c6470; font-size: ImGuiFontStyle.body; horizontal-alignment: right; } }
                            Rectangle {
                                height: 7px;
                                background: #dfe3e8;
                                border-radius: 3px;

                                Rectangle {
                                    x: 0px;
                                    y: 0px;
                                    width: parent.width * max(0, min(1, entry.progress));
                                    height: parent.height;
                                    background: #2463c7;
                                    border-radius: 3px;
                                }
                            }
                            HorizontalLayout {
                                height: 14px;
                                Text { text: round(entry.progress * 100) + "%  " + entry.speed; color: #6a717c; font-size: ImGuiFontStyle.small; }
                                Text { text: entry.size; color: #6a717c; font-size: ImGuiFontStyle.small; horizontal-alignment: right; }
                            }
                        }
                    }
                }
            }
        }
        }

        if root.custom-titlebar && !root.fullscreen-enabled: Rectangle {
            width: parent.width;
            height: parent.height;
            background: transparent;
            border-width: 1px;
            border-color: #aaa8a6;
            border-radius:
                root.window-maximized ? 0px : root.window-corner-radius;
            z: 200;
        }
    }
}