hyprctl/layers: print pid for layershell clients (#9468)

Adds a `getPID()` fn to layershell to print it in `hyprctl layers`

1 files changed, 12 insertions, 0 deletions

diff --git a/src/desktop/LayerSurface.cpp b/src/desktop/LayerSurface.cpp
index f4ffaedf..428dcbbc 100644
--- a/src/desktop/LayerSurface.cpp
+++ b/src/desktop/LayerSurface.cpp
@@ -584,3 +584,15 @@ int CLayerSurface::popupsCount() {
 MONITORID CLayerSurface::monitorID() {
     return monitor ? monitor->ID : MONITOR_INVALID;
 }
+
+pid_t CLayerSurface::getPID() {
+    pid_t PID = -1;
+
+    if (!layerSurface || !layerSurface->surface || !layerSurface->surface->getResource() || !layerSurface->surface->getResource()->resource() ||
+        !layerSurface->surface->getResource()->resource()->client)
+        return -1;
+
+    wl_client_get_credentials(layerSurface->surface->getResource()->resource()->client, &PID, nullptr, nullptr);
+
+    return PID;
+}