Move SIGWINCH handling to ui/core.c, ignore signal whilst resizing

src/profanity.c

@@ -204,6 +204,7 @@ _init(const int disable_tls, char *log_level)
     signal(SIGPIPE, SIG_IGN);
     signal(SIGINT, SIG_IGN);
     signal(SIGTSTP, SIG_IGN);
+    signal(SIGWINCH, ui_sigwinch_handler);
     _create_directories();
     log_level_t prof_log_level = log_level_from_string(log_level);
     prefs_load();

src/ui/core.c

@@ -79,6 +79,8 @@ static char *win_title;
 
 static int inp_size;
 
+static gboolean perform_resize = FALSE;
+
 #ifdef HAVE_LIBXSS
 static Display *display;
 #endif
@@ -120,6 +122,12 @@ ui_init(void)
     win_update_virtual(window);
 }
 
+void
+ui_sigwinch_handler(int sig)
+{
+    perform_resize = TRUE;
+}
+
 void
 ui_update(void)
 {
@@ -137,6 +145,13 @@ ui_update(void)
     status_bar_update_virtual();
     inp_put_back();
     doupdate();
+
+    if (perform_resize) {
+        signal(SIGWINCH, SIG_IGN);
+        ui_resize();
+        perform_resize = FALSE;
+        signal(SIGWINCH, ui_sigwinch_handler);
+    }
 }
 
 void

src/ui/inputwin.c

@@ -79,7 +79,6 @@ static gboolean cmd_result = TRUE;
 static void _inp_win_update_virtual(void);
 static int _inp_printable(const wint_t ch);
 static void _inp_win_handle_scroll(void);
-static void _inp_resize_signal_handler(int signal);
 static int _inp_offset_to_col(char *str, int offset);
 static void _inp_write(char *line, int offset);
 
@@ -125,8 +124,6 @@ create_input_window(void)
     rl_startup_hook = _inp_rl_startup_hook;
     rl_callback_handler_install(NULL, _inp_rl_linehandler);
 
-    signal(SIGWINCH, _inp_resize_signal_handler);
-
     inp_win = newpad(1, INP_WIN_MAX);
     wbkgd(inp_win, theme_attrs(THEME_INPUT_TEXT));;
     keypad(inp_win, TRUE);
@@ -311,12 +308,6 @@ _inp_offset_to_col(char *str, int offset)
     return col;
 }
 
-static void
-_inp_resize_signal_handler(int signal)
-{
-    ui_resize();
-}
-
 static void
 _inp_win_handle_scroll(void)
 {

src/ui/ui.h

@@ -62,6 +62,7 @@ GSList* ui_get_chat_recipients(void);
 gboolean ui_switch_win(const int i);
 void ui_next_win(void);
 void ui_previous_win(void);
+void ui_sigwinch_handler(int sig);
 
 void ui_gone_secure(const char * const barejid, gboolean trusted);
 void ui_gone_insecure(const char * const barejid);

tests/ui/stub_ui.c

@@ -91,6 +91,7 @@ void ui_smp_answer_failure(const char * const barejid) {}
 
 void ui_otr_authenticating(const char * const barejid) {}
 void ui_otr_authetication_waiting(const char * const recipient) {}
+void ui_sigwinch_handler(int sig) {}
 
 unsigned long ui_get_idle_time(void)
 {