Get IPC window properties from clicking on a window in the sway window manager (swaywm). Requires slurp.

sway-get-window-props

#!/usr/bin/env python
import i3ipc
import subprocess
import json

def node_contains_point(node, x, y):
    """Determine if the given point (x,y) is contained by the given node's boundary"""
    r = node.rect
    return all((x > r.x,
                x < (r.x + r.width),
                y > r.y,
                y < (r.y + r.height)))


def depth_first_search(node, x, y):
    """
    Perform depth-first-search to identify the first window that contains the given point (x,y).
    Floating nodes are checked first since they are always drawn on top of tiled windows. This also
    checks the floating nodes which have been focused most recently (given by the `focus` attribute)
    since they will be drawn on top of other floating nodes.
    """
    floating_nodes_by_id = {n.id: n for n in node.floating_nodes}
    floating_nodes_ordered = [n for node_id in node.focus if (n:=floating_nodes_by_id.get(node_id))]
    children = floating_nodes_ordered+node.nodes
    if not children and node.ipc_data.get('visible') and node_contains_point(node, x, y):
        return node
    for node in children:
        if (d := depth_first_search(node, x, y)):
            return d

            
def main():
    i3 = i3ipc.Connection()
    point_data = json.loads(subprocess.getoutput('slurp -p -f \'{"x":%X,"y":%Y,"o":"%o"}\''))
    x, y, output_name = point_data['x'], point_data['y'], point_data['o']
    output = next(o for o in i3.get_outputs() if o.name == output_name)
    output_workspace_name = output.current_workspace
    workspace = next(w for w in i3.get_tree().workspaces() if w.name == output_workspace_name)
    focused_leaf = depth_first_search(workspace, x, y)
    focused_leaf.command('focus')
    print(json.dumps(focused_leaf.ipc_data))


if __name__ == "__main__":
    exit(main())