core: add support of terminal "bracketed paste mode" (task #11316)

src/core/wee-command.c

@@ -2393,6 +2393,12 @@ COMMAND_CALLBACK(input)
             gui_input_undo (buffer);
         else if (string_strcasecmp (argv[1], "redo") == 0)
             gui_input_redo (buffer);
+        else if (string_strcasecmp (argv[1], "paste_start") == 0)
+            gui_key_paste_bracketed_start ();
+        else if (string_strcasecmp (argv[1], "paste_stop") == 0)
+        {
+            /* do nothing here */
+        }
     }
 
     return WEECHAT_RC_OK;
@@ -5762,7 +5768,9 @@ command_init ()
                      "  switch_active_buffer: switch to next merged buffer\n"
                      "  switch_active_buffer_previous: switch to previous "
                      "merged buffer\n"
-                     "  insert: insert text in command line\n\n"
+                     "  insert: insert text in command line\n"
+                     "  paste_start: start paste (bracketed paste mode)\n"
+                     "  paste_stop: stop paste (bracketed paste mode)\n\n"
                      "This command is used by key bindings or plugins."),
                   "return|complete_next|complete_previous|search_text|"
                   "search_switch_case|search_previous|search_next|search_stop|"
@@ -5778,7 +5786,7 @@ command_init ()
                   "jump_next_visited_buffer|hotlist_clear|grab_key|"
                   "grab_key_command|grab_mouse|grab_mouse_area|set_unread|"
                   "set_unread_current_buffer|switch_active_buffer|"
-                  "switch_active_buffer_previous|insert",
+                  "switch_active_buffer_previous|insert|paste_start|paste_stop",
                   &command_input, NULL);
     hook_command (NULL, "key",
                   N_("bind/unbind keys"),

src/core/wee-config.c

@@ -83,6 +83,7 @@ struct t_config_option *config_look_bar_more_left;
 struct t_config_option *config_look_bar_more_right;
 struct t_config_option *config_look_bar_more_up;
 struct t_config_option *config_look_bar_more_down;
+struct t_config_option *config_look_bracketed_paste_mode;
 struct t_config_option *config_look_buffer_notify_default;
 struct t_config_option *config_look_buffer_time_format;
 struct t_config_option *config_look_color_basic_force_bold;
@@ -311,6 +312,22 @@ config_change_buffer_content (void *data, struct t_config_option *option)
         gui_current_window->refresh_needed = 1;
 }
 
+/*
+ * config_change_bracketed_paste_mode: called when bracketed paste mode is
+ *                                     changed
+ */
+
+void
+config_change_bracketed_paste_mode (void *data, struct t_config_option *option)
+{
+    /* make C compiler happy */
+    (void) data;
+    (void) option;
+
+    if (gui_ok)
+        gui_window_set_bracketed_paste_mode (CONFIG_BOOLEAN(config_look_bracketed_paste_mode));
+}
+
 /*
  * config_change_mouse: called when mouse state is changed
  */
@@ -1682,6 +1699,15 @@ config_weechat_init_options ()
         N_("string displayed when bar can be scrolled down "
            "(for bars with filling different from \"horizontal\")"),
         NULL, 0, 0, "++", NULL, 0, NULL, NULL, &config_change_buffer_content, NULL, NULL, NULL);
+    config_look_bracketed_paste_mode = config_file_new_option (
+        weechat_config_file, ptr_section,
+        "bracketed_paste_mode", "boolean",
+        N_("enable terminal \"bracketed paste mode\" (not supported in all "
+           "terminals/multiplexers): in this mode, pasted text is bracketed "
+           "with control sequences so that WeeChat can differentiate pasted "
+           "text from typed-in text \"(ESC[200~\", followed by the pasted text, "
+           "followed by \"ESC[201~\")"),
+        NULL, 0, 0, "off", NULL, 0, NULL, NULL, &config_change_bracketed_paste_mode, NULL, NULL, NULL);
     config_look_buffer_notify_default = config_file_new_option (
         weechat_config_file, ptr_section,
         "buffer_notify_default", "integer",
@@ -1960,8 +1986,8 @@ config_weechat_init_options ()
         weechat_config_file, ptr_section,
         "paste_max_lines", "integer",
         N_("max number of lines for paste without asking user "
-           "(0 = disable this feature)"),
-        NULL, 0, INT_MAX, "3", NULL, 0, NULL, NULL, NULL, NULL, NULL, NULL);
+           "(-1 = disable this feature)"),
+        NULL, -1, INT_MAX, "3", NULL, 0, NULL, NULL, NULL, NULL, NULL, NULL);
     config_look_prefix[GUI_CHAT_PREFIX_ERROR] = config_file_new_option (
         weechat_config_file, ptr_section,
         "prefix_error", "string",

src/core/wee-config.h

@@ -108,6 +108,7 @@ extern struct t_config_option *config_look_bar_more_left;
 extern struct t_config_option *config_look_bar_more_right;
 extern struct t_config_option *config_look_bar_more_up;
 extern struct t_config_option *config_look_bar_more_down;
+extern struct t_config_option *config_look_bracketed_paste_mode;
 extern struct t_config_option *config_look_buffer_notify_default;
 extern struct t_config_option *config_look_buffer_time_format;
 extern struct t_config_option *config_look_command_chars;