Function centerWindow

tiling.js:5055–5071

(metaWindow, horizontal = true, vertical = false)

 * Centers the currently selected window.
 */
export function centerWindow(metaWindow, horizontal = true, vertical = false) {
    const frame = metaWindow.get_frame_rect();
    const space = spaces.spaceOfWindow(metaWindow);
    const monitor = space.monitor;
    const workArea = space.workArea();

    const targetX = horizontal ? workArea.x + Math.round((workArea.width - frame.width) / 2) : frame.x;
    let targetY = vertical ? workArea.y + Math.round((workArea.height - frame.height) / 2) : frame.y;
    targetY = Math.max(targetY, workArea.y);
    if (space.indexOf(metaWindow) === -1) {
        Scratch.easeScratch(metaWindow, targetX + monitor.x, targetY + monitor.y);
    } else {
        move_to(space, metaWindow, {
            x: targetX,
        });
    }
}

/**
 * Activates the window under the mouse cursor, if any.