From 2718183d27b20eae88d808b2cf181b22610c5e26 Mon Sep 17 00:00:00 2001
From: Paul Fariello <paul@fariello.eu>
Date: Wed, 6 Mar 2019 19:22:46 +0140
Subject: [PATCH] Enable start of OMEMO in existing chat win

---
 src/command/cmd_funcs.c | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/src/command/cmd_funcs.c b/src/command/cmd_funcs.c
index 1ce034d9..5ce9b7f4 100644
--- a/src/command/cmd_funcs.c
+++ b/src/command/cmd_funcs.c
@@ -7950,6 +7950,36 @@ cmd_omemo_start(ProfWin *window, const char *const command, gchar **args)
 
         omemo_start_session(barejid);
         chatwin->is_omemo = TRUE;
+    } else {
+        if (window->type != WIN_CHAT) {
+            win_println(window, THEME_DEFAULT, '-', "You must be in a regular chat window to start an OMEMO session.");
+            return TRUE;
+        }
+
+        ProfChatWin *chatwin = (ProfChatWin*)window;
+        assert(chatwin->memcheck == PROFCHATWIN_MEMCHECK);
+        if (chatwin->pgp_send) {
+            win_println(window, THEME_DEFAULT, '!', "You must disable PGP encryption before starting an OMEMO session.");
+            return TRUE;
+        }
+
+        if (chatwin->is_otr) {
+            win_println(window, THEME_DEFAULT, '!', "You must disable OTR encryption before starting an OMEMO session.");
+            return TRUE;
+        }
+
+        if (chatwin->is_omemo) {
+            win_println(window, THEME_DEFAULT, '!', "You are already in an OMEMO session.");
+            return TRUE;
+        }
+
+        if (!omemo_loaded()) {
+            win_println(window, THEME_DEFAULT, '!', "You have not generated or loaded a cryptographic materials, use '/omemo gen'");
+            return TRUE;
+        }
+
+        omemo_start_session(chatwin->barejid);
+        chatwin->is_omemo = TRUE;
     }
 
     return TRUE;