core: add option weechat.look.buffer_time_same (closes #1127)

1 files changed, 70 insertions, 6 deletions

diff --git a/src/gui/curses/gui-curses-chat.c b/src/gui/curses/gui-curses-chat.c
index 91b180ef7..0e255bf47 100644
--- a/src/gui/curses/gui-curses-chat.c
+++ b/src/gui/curses/gui-curses-chat.c
@@ -682,6 +682,33 @@ gui_chat_display_day_changed (struct t_gui_window *window,
 }
 
 /*
+ * Checks if time on line is the same as time on previous line.
+ *
+ * Returns:
+ *   1: time is same as time on previous line
+ *   0: time is different from time on previous line
+ */
+
+int
+gui_chat_line_time_is_same_as_previous (struct t_gui_line *line)
+{
+    struct t_gui_line *prev_line;
+
+    /* previous line is not found => display standard time */
+    prev_line = gui_line_get_prev_displayed (line);
+    if (!prev_line)
+        return 0;
+
+    /* previous line has no time => display standard time */
+    if (!line->data->str_time || !prev_line->data->str_time)
+        return 0;
+
+    /* time can be hidden/replaced if times are equal */
+    return (strcmp (line->data->str_time, prev_line->data->str_time) == 0) ?
+        1 : 0;
+}
+
+/*
  * Displays time, buffer name (for merged buffers) and prefix for a line.
  */
 
@@ -719,12 +746,49 @@ gui_chat_display_time_to_prefix (struct t_gui_window *window,
     {
         if (window->win_chat_cursor_y < window->coords_size)
             window->coords[window->win_chat_cursor_y].time_x1 = window->win_chat_cursor_x;
-        gui_chat_display_word (window, line, line->data->str_time,
-                               NULL, 1, num_lines, count,
-                               pre_lines_displayed, lines_displayed,
-                               simulate,
-                               CONFIG_BOOLEAN(config_look_color_inactive_time),
-                               0);
+
+        if (CONFIG_STRING(config_look_buffer_time_same)
+            && CONFIG_STRING(config_look_buffer_time_same)[0]
+            && gui_chat_line_time_is_same_as_previous (line))
+        {
+            length_allowed = gui_chat_time_length;
+            num_spaces = length_allowed - gui_chat_strlen_screen (
+                config_buffer_time_same_evaluated);
+            gui_chat_display_word (
+                window, line, config_buffer_time_same_evaluated,
+                (num_spaces < 0) ?
+                config_buffer_time_same_evaluated +
+                gui_chat_string_real_pos (config_buffer_time_same_evaluated,
+                                          length_allowed,
+                                          1) :
+                NULL,
+                1, num_lines, count,
+                pre_lines_displayed, lines_displayed,
+                simulate,
+                CONFIG_BOOLEAN(config_look_color_inactive_time),
+                0);
+            for (i = 0; i < num_spaces; i++)
+            {
+                gui_chat_display_word (
+                    window, line, str_space,
+                    NULL, 1, num_lines, count,
+                    pre_lines_displayed, lines_displayed,
+                    simulate,
+                    CONFIG_BOOLEAN(config_look_color_inactive_time),
+                    0);
+            }
+        }
+        else
+        {
+            gui_chat_display_word (
+                window, line, line->data->str_time,
+                NULL, 1, num_lines, count,
+                pre_lines_displayed, lines_displayed,
+                simulate,
+                CONFIG_BOOLEAN(config_look_color_inactive_time),
+                0);
+        }
+
         if (window->win_chat_cursor_y < window->coords_size)
             window->coords[window->win_chat_cursor_y].time_x2 = window->win_chat_cursor_x - 1;