Function handleCustomDeepScanRequest

web/scripts/ragnar_modern.js:3510–3557

()

    // --- Zoom (wheel) + pan (drag) + drag existing AP nodes / walls ---
    if (cv) {
        const norm = (e) => {
            const r = cv.getBoundingClientRect();
            const px = e.clientX - r.left, py = e.clientY - r.top;
            const vp = _wifiHmViewport(cv.clientWidth, cv.clientHeight || cv.clientWidth);
            return { px, py, wx: vp.fromX(px), wy: vp.fromY(py), vp };
        };
        cv.addEventListener('wheel', (e) => {
            e.preventDefault();
            const r = cv.getBoundingClientRect();
            wifiHmZoom(e.deltaY < 0 ? 1.25 : 0.8, e.clientX - r.left, e.clientY - r.top);
        }, { passive: false });
        cv.addEventListener('pointerdown', (e) => {
            _wifiHm.suppressClick = false;  // fresh press — never carry a stale flag
            const p = norm(e);
            // Design objects win the press (but not the 2nd click of a wall).
            if (_wifiHm.mode === 'design' && !_wifiHm.wallStart) {
                const hit = _wifiHmHitTest(p);
                if (hit) {
                    _wifiHm.drag = hit; _wifiHm.dragMoved = false;
                    try { cv.setPointerCapture(e.pointerId); } catch (_) {}
                    cv.style.cursor = hit.kind === 'column-resize' ? 'nwse-resize' : 'grabbing';
                    e.preventDefault();
                    return;
                }
            }
            // Empty area: a drag pans the zoomed view. At 100% there is nothing
            // to pan, so leave the press alone (it stays a plain sample click).
            if (_wifiHm.view.zoom > 1 || e.shiftKey || e.button === 1) {
                _wifiHm.pan = { sx: e.clientX, sy: e.clientY,
                    cx: _wifiHm.view.cx, cy: _wifiHm.view.cy, active: false };
                try { cv.setPointerCapture(e.pointerId); } catch (_) {}
            }
        });
        cv.addEventListener('pointermove', (e) => {
            if (_wifiHm.pan) {
                const dx = e.clientX - _wifiHm.pan.sx, dy = e.clientY - _wifiHm.pan.sy;
                if (!_wifiHm.pan.active && Math.hypot(dx, dy) > 4) _wifiHm.pan.active = true;
                if (_wifiHm.pan.active) {
                    const vp = _wifiHmViewport(cv.clientWidth, cv.clientHeight || cv.clientWidth);
                    _wifiHm.view.cx = _wifiHm.pan.cx - dx / vp.pw * vp.span;
                    _wifiHm.view.cy = _wifiHm.pan.cy - dy / vp.ph * vp.span;
                    _wifiHmClampView();
                    cv.style.cursor = 'grabbing';
                    _wifiHmDragRender();
                }
                return;
            }
            const p = norm(e);
            if (!_wifiHm.drag) {
                if (_wifiHm.mode === 'design' && !_wifiHm.wallStart) {
                    const hit = _wifiHmHitTest(p);