core: send signal "signal_sigwinch" after refreshs (issue #902)

Sending the signal after the refreshs will let scripts receive the good
size for windows/bars/terminal, ie the size computed with the new
terminal size.

ChangeLog.adoc

@@ -31,7 +31,7 @@ Improvements::
 
 Bug fixes::
 
-  * core: fix delayed refresh when the signal SIGWINCH is received (terminal resized) (issue #902)
+  * core: fix delayed refresh when the signal SIGWINCH is received (terminal resized), send signal "signal_sigwinch" after refreshs (issue #902)
   * irc: fix parsing of message 324 (modes) when there is a colon before the modes (issue #913)
 
 Build::

src/gui/curses/gui-curses-main.c

@@ -427,6 +427,9 @@ void
 gui_main_loop ()
 {
     struct t_hook *hook_fd_keyboard;
+    int send_signal_sigwinch;
+
+    send_signal_sigwinch = 0;
 
     /* catch SIGWINCH signal: redraw screen */
     util_catch_signal (SIGWINCH, &gui_main_signal_sigwinch);
@@ -453,16 +456,22 @@ gui_main_loop ()
 
         if (gui_signal_sigwinch_received)
         {
-            (void) hook_signal_send ("signal_sigwinch",
-                                     WEECHAT_HOOK_SIGNAL_STRING, NULL);
-            gui_signal_sigwinch_received = 0;
             gui_window_ask_refresh (2);
+            gui_signal_sigwinch_received = 0;
+            send_signal_sigwinch = 1;
         }
 
         gui_main_refreshs ();
         if (gui_window_refresh_needed && !gui_window_bare_display)
             gui_main_refreshs ();
 
+        if (send_signal_sigwinch)
+        {
+            (void) hook_signal_send ("signal_sigwinch",
+                                     WEECHAT_HOOK_SIGNAL_STRING, NULL);
+            send_signal_sigwinch = 0;
+        }
+
         gui_color_pairs_auto_reset_pending = 0;
 
         /* execute fd hooks */