Use var_InheritString for --decklink-video-connection.

[vlc] / modules / services_discovery / xcb_apps.c

diff --git a/modules/services_discovery/xcb_apps.c b/modules/services_discovery/xcb_apps.c
index 86ced7be7f97187b9073f60fd3758e6bcdd2b222..88927c3fe9289958f287b84f757352a3aa74efde 100644 (file)
--- a/modules/services_discovery/xcb_apps.c
+++ b/modules/services_discovery/xcb_apps.c
@@ -37,6 +37,7 @@ typedef xcb_atom_t Atom;
 
 static int  Open (vlc_object_t *);
 static void Close (vlc_object_t *);
+static int vlc_sd_probe_Open (vlc_object_t *);
 
 /*
  * Module descriptor
@@ -50,6 +51,8 @@ vlc_module_begin ()
     set_callbacks (Open, Close)
 
     add_shortcut ("apps")
+
+    VLC_SD_PROBE_SUBMODULE
 vlc_module_end ()
 
 struct services_discovery_sys_t
@@ -65,6 +68,21 @@ struct services_discovery_sys_t
 static void *Run (void *);
 static void Update (services_discovery_t *);
 static void DelItem (void *);
+static void AddDesktopItem(services_discovery_t *);
+
+static int vlc_sd_probe_Open (vlc_object_t *obj)
+{
+    vlc_probe_t *probe = (vlc_probe_t *)obj;
+
+    char *display = var_InheritString (obj, "x11-display");
+    xcb_connection_t *conn = xcb_connect (display, NULL);
+    free (display);
+    if (xcb_connection_has_error (conn))
+        return VLC_PROBE_CONTINUE;
+    xcb_disconnect (conn);
+    return vlc_sd_probe_Add (probe, "xcb_apps{longname=\"Screen capture\"}",
+                             N_("Screen capture"), SD_CAT_MYCOMPUTER);
+}
 
 /**
  * Probes and initializes.
@@ -79,7 +97,7 @@ static int Open (vlc_object_t *obj)
     sd->p_sys = p_sys;
 
     /* Connect to X server */
-    char *display = var_CreateGetNonEmptyString (obj, "x11-display");
+    char *display = var_InheritString (obj, "x11-display");
     int snum;
     xcb_connection_t *conn = xcb_connect (display, &snum);
     free (display);
@@ -109,6 +127,9 @@ static int Open (vlc_object_t *obj)
         goto error;
     }
 
+    /* Add a permanent item for the entire desktop */
+    AddDesktopItem (sd);
+
     p_sys->root_window = scr->root;
     xcb_change_window_attributes (conn, scr->root, XCB_CW_EVENT_MASK,
                                &(uint32_t) { XCB_EVENT_MASK_PROPERTY_CHANGE });
@@ -125,13 +146,11 @@ static int Open (vlc_object_t *obj)
     r = xcb_intern_atom_reply (conn, ncl, NULL);
     if (r == NULL || r->atom == 0)
     {
-        dialog_Fatal (sd, _("Application list failure"),
-                  _("Your window manager does not support application list."));
-        msg_Err (sd, "application list not support (_NET_CLIENT_LIST absent)");
-        free (r);
-        goto error;
+        dialog_Fatal (sd, _("Screen capture"),
+            _("Your window manager does not provide a list of applications."));
+        msg_Err (sd, "client list not supported (_NET_CLIENT_LIST absent)");
     }
-    p_sys->net_client_list = r->atom;
+    p_sys->net_client_list = r ? r->atom : 0;
     free (r);
     r = xcb_intern_atom_reply (conn, nwn, NULL);
     if (r != NULL)
@@ -321,3 +340,15 @@ static void Update (services_discovery_t *sd)
     tdestroy (oldnodes, DelItem);
     p_sys->nodes = newnodes;
 }
+
+static void AddDesktopItem(services_discovery_t *sd)
+{
+    input_item_t *item;
+
+    item = input_item_NewWithType (VLC_OBJECT (sd), "screen://", _("Desktop"),
+                                   0, NULL, 0, -1, ITEM_TYPE_CARD);
+    if (item == NULL)
+        return;
+
+    services_discovery_AddItem (sd, item, NULL);
+}