core: add function gui_buffer_set_day_change

src/gui/gui-buffer.c

@@ -1608,6 +1608,22 @@ gui_buffer_ask_chat_refresh (struct t_gui_buffer *buffer, int refresh)
         buffer->chat_refresh_needed = refresh;
 }
 
+/*
+ * Sets day_change for a buffer.
+ */
+
+void
+gui_buffer_set_day_change (struct t_gui_buffer *buffer, int day_change)
+{
+    day_change = (day_change) ? 1 : 0;
+
+    if (!buffer || (buffer->day_change == day_change))
+        return;
+
+    buffer->day_change = day_change;
+    gui_buffer_ask_chat_refresh (buffer, 2);
+}
+
 /*
  * Sets name for a buffer.
  */
@@ -2516,10 +2532,7 @@ gui_buffer_set (struct t_gui_buffer *buffer, const char *property,
         error = NULL;
         number = strtol (value, &error, 10);
         if (error && !error[0])
-        {
-            buffer->day_change = (number) ? 1 : 0;
-            gui_buffer_ask_chat_refresh (buffer, 2);
-        }
+            gui_buffer_set_day_change (buffer, number);
     }
     else if (strcmp (property, "clear") == 0)
     {

tests/unit/gui/test-gui-buffer.cpp

@@ -971,6 +971,16 @@ TEST(GuiBuffer, AskChatRefresh)
     /* TODO: write tests */
 }
 
+/*
+ * Tests functions:
+ *   gui_buffer_set_day_change
+ */
+
+TEST(GuiBuffer, SetDayChange)
+{
+    /* TODO: write tests */
+}
+
 /*
  * Tests functions:
  *   gui_buffer_set_name