relay: redefine bar item "input_prompt" to display the connection status on remote buffers, if different from "connected"

src/plugins/relay/CMakeLists.txt

@@ -20,6 +20,7 @@
 set(RELAY_SRC
   relay.c relay.h
   relay-auth.c relay-auth.h
+  relay-bar-item.c relay-bar-item.h
   relay-buffer.c relay-buffer.h
   relay-client.c relay-client.h
   relay-command.c relay-command.h

src/plugins/relay/relay-bar-item.c

@@ -0,0 +1,90 @@
+/*
+ * relay-bar-item.c - bar items for relay plugin
+ *
+ * Copyright (C) 2024 Sébastien Helleu <flashcode@flashtux.org>
+ *
+ * This file is part of WeeChat, the extensible chat client.
+ *
+ * WeeChat is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * WeeChat is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with WeeChat.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "../weechat-plugin.h"
+#include "relay.h"
+#include "relay-config.h"
+#include "relay-remote.h"
+
+
+/*
+ * Returns content of bar item "input_prompt".
+ */
+
+char *
+relay_bar_item_input_prompt (const void *pointer, void *data,
+                             struct t_gui_bar_item *item,
+                             struct t_gui_window *window,
+                             struct t_gui_buffer *buffer,
+                             struct t_hashtable *extra_info)
+{
+    char str_status[512], *input_prompt;
+    const char *ptr_input_prompt;
+    struct t_relay_remote *ptr_remote;
+
+    /* make C compiler happy */
+    (void) pointer;
+    (void) data;
+    (void) item;
+    (void) window;
+    (void) extra_info;
+
+    if (!buffer)
+        return NULL;
+
+    str_status[0] = '\0';
+    ptr_remote = relay_remote_search (weechat_buffer_get_string (buffer, "localvar_relay_remote"));
+    if (ptr_remote && (ptr_remote->status != RELAY_STATUS_CONNECTED))
+    {
+        snprintf (str_status, sizeof (str_status),
+                  "%s<%s>",
+                  weechat_color (weechat_config_string (relay_config_color_status[ptr_remote->status])),
+                  _(relay_status_string[ptr_remote->status]));
+    }
+
+    ptr_input_prompt = weechat_buffer_get_string (buffer, "input_prompt");
+    if (!ptr_input_prompt && !str_status[0])
+        return NULL;
+
+    if (weechat_asprintf (
+            &input_prompt, "%s%s%s",
+            (ptr_input_prompt) ? ptr_input_prompt : "",
+            (ptr_input_prompt && ptr_input_prompt[0] && str_status[0]) ? " " : "",
+            str_status) >= 0)
+        return input_prompt;
+
+    return NULL;
+}
+
+/*
+ * Initializes relay bar items.
+ */
+
+void
+relay_bar_item_init ()
+{
+    weechat_bar_item_new ("input_prompt",
+                          &relay_bar_item_input_prompt, NULL, NULL);
+}

src/plugins/relay/relay-bar-item.h

@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2024 Sébastien Helleu <flashcode@flashtux.org>
+ *
+ * This file is part of WeeChat, the extensible chat client.
+ *
+ * WeeChat is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * WeeChat is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with WeeChat.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef WEECHAT_PLUGIN_RELAY_BAR_ITEM_H
+#define WEECHAT_PLUGIN_RELAY_BAR_ITEM_H
+
+extern void relay_bar_item_init ();
+
+#endif /* WEECHAT_PLUGIN_RELAY_BAR_ITEM_H */

src/plugins/relay/relay-remote.c

@@ -650,6 +650,7 @@ relay_remote_set_status (struct t_relay_remote *remote,
     remote->status = status;
 
     relay_remote_send_signal (remote);
+    weechat_bar_item_update ("input_prompt");
 }
 
 /*

src/plugins/relay/relay.c

@@ -24,6 +24,7 @@
 
 #include "../weechat-plugin.h"
 #include "relay.h"
+#include "relay-bar-item.h"
 #include "relay-buffer.h"
 #include "relay-client.h"
 #include "relay-command.h"
@@ -297,6 +298,8 @@ weechat_plugin_init (struct t_weechat_plugin *plugin, int argc, char *argv[])
     /* hook completions */
     relay_completion_init ();
 
+    relay_bar_item_init ();
+
     weechat_hook_signal ("upgrade", &relay_signal_upgrade_cb, NULL, NULL);
     weechat_hook_signal ("debug_dump", &relay_debug_dump_cb, NULL, NULL);