Poskus predelave na dbus msg (namesto sleep procesa). TODO: stestiraj do kraja. #10

projector.py

@@ -169,6 +169,7 @@ class SongProjector:
         """
         Prepreči vklop ohranjevalnika zaslona ali spanja.
         """
+        self.inhibitor_cookie = None
         try:
             if sys.platform.startswith("win"):
                 # Windows: ES_CONTINUOUS | ES_DISPLAY_REQUIRED | ES_SYSTEM_REQUIRED
@@ -176,14 +177,21 @@ class SongProjector:
                 # Uporabimo c_uint za zagotovitev pravilnega tipa
                 ctypes.windll.kernel32.SetThreadExecutionState(ctypes.c_uint(0x80000003))
             elif sys.platform == "linux":
-                # Zaženi inhibitor, dokler tvoj program dela (hrani handle!)
-                inhibitor = subprocess.Popen([
-                    "gnome-session-inhibit",
-                    "--inhibit", "idle",
-                    "--inhibit", "suspend",
-                    "--reason", "Projecting lyrics",
-                    "sleep", "infinity"
-                ])
+                # GNOME DBus inhibitor (org.gnome.SessionManager)
+                # Flags: 1=logout, 2=switch user, 4=suspend, 8=idle
+                # Uporabimo 12 (4+8) za suspend in idle.
+                # toplevel_xid=0 (uint32:0)
+                cmd = [
+                    "dbus-send", "--print-reply", "--dest=org.gnome.SessionManager",
+                    "/org/gnome/SessionManager", "org.gnome.SessionManager.Inhibit",
+                    "string:projector", "uint32:0", "string:Projecting lyrics", "uint32:12"
+                ]
+                output = subprocess.check_output(cmd, stderr=subprocess.STDOUT).decode()
+                # Output format: uint32 12345678
+                for line in output.splitlines():
+                    if "uint32" in line:
+                        self.inhibitor_cookie = line.split()[-1]
+                        break
 
         except Exception as e:
             print(f"Napaka pri preprečevanju spanja: {e}")
@@ -510,13 +518,13 @@ class SongProjector:
                 pass
         elif sys.platform == "linux":
             try:
-                # Ponovno vklopi ohranjevalnik in DPMS (privzete vrednosti)
-                subprocess.Popen(["xset", "s", "on", "+dpms"], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
-                
-                # Za Wayland/DBus inhibit običajno ni treba eksplicitno sprostiti,
-                # če se proces konča, vendar bi za popolnost lahko uporabili UnInhibit,
-                # če bi shranili cookie. Ker ga nismo, se zanašamo na to, da DBus
-                # samodejno sprosti inhibit ob zaprtju povezave/procesa.
+                # Sprostimo DBus inhibitor, če ga imamo
+                if hasattr(self, "inhibitor_cookie") and self.inhibitor_cookie:
+                    subprocess.Popen([
+                        "dbus-send", "--dest=org.gnome.SessionManager",
+                        "/org/gnome/SessionManager", "org.gnome.SessionManager.UnInhibit",
+                        f"uint32:{self.inhibitor_cookie}"
+                    ], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
             except:
                 pass