Method constructor

stackoverlay.js:169–216

(direction, monitor)

export class StackOverlay {
    constructor(direction, monitor) {
        this.SHOW_DELAY = 100;

        this._direction = direction;

        const overlay = new Clutter.Actor({
            reactive: true,
            name: "stack-overlay",
        });

        // Uncomment to debug the overlays
        // overlay.background_color = Utils.color_from_string('green')[1];
        // overlay.opacity = 100;

        this.monitor = monitor;
        const panelBox = Main.layoutManager.panelBox;
        overlay.y = monitor.y + panelBox.height + Settings.prefs.vertical_margin;
        overlay.height = this.monitor.height - panelBox.height - Settings.prefs.vertical_margin;
        overlay.width = Tiling.stack_margin;

        this.signals = new Utils.Signals();

        // preview timeouts
        this.triggerPreviewTimeout = null;
        this.showPreviewTimeout = null;
        this.activatePreviewTimeout = null;

        this.signals.connect(overlay, 'button-press-event', () => {
            if (!Settings.prefs.edge_preview_enable) {
                return;
            }

            if (!Settings.prefs.edge_preview_click_enable) {
                return;
            }

            this._activateTarget();
        });

        this.signals.connect(overlay, 'enter-event', () => this.triggerPreview());
        this.signals.connect(overlay, 'leave-event', () => this.removePreview());

        global.window_group.add_child(overlay);
        Main.layoutManager.trackChrome(overlay);

        this.overlay = overlay;
        this.setTarget(null);
    }

    _activateTarget() {
        Main.activateWindow(this.target);