text: /*
   * vim:ts=4:sw=4:expandtab
   *
   * i3 - an improved dynamic tiling window manager
   * © 2009 Michael Stapelberg and contributors (see also: LICENSE)
   *
   * config.c: Configuration file (calling the parser (src/config_parser.c) with
   *           the correct path, switching key bindings mode).
   *
   */
  #include "all.h"
  
  #include <xkbcommon/xkbcommon.h>
  
  char *current_configpath = NULL;
  char *current_config = NULL;
  Config config;
  struct modes_head modes;
  struct barconfig_head barconfigs = TAILQ_HEAD_INITIALIZER(barconfigs);
  
  /*
   * Ungrabs all keys, to be called before re-grabbing the keys because of a
   * mapping_notify event or a configuration file reload
   *
   */
  void ungrab_all_keys(xcb_connection_t *conn) {
      DLOG("Ungrabbing all keys\n");
      xcb_ungrab_key(conn, XCB_GRAB_ANY, root, XCB_BUTTON_MASK_ANY);
  }
  
  /*
   * Sends the current bar configuration as an event to all barconfig_update listeners.
   *
   */
  void update_barconfig(void) {
      Barconfig *current;
      TAILQ_FOREACH(current, &barconfigs, configs) {
          ipc_send_barconfig_update_event(current);
      }
  }
  
  /*
   * Finds the configuration file to use (either the one specified by
   * override_configpath), the user’s one or the system default) and calls
   * parse_file().
   *
   */
  bool parse_configuration(const char *override_configpath, bool use_nagbar) {
      char *path = get_config_path(override_configpath, true);
      if (path == NULL) {
          die("Unable to find the configuration file (looked at "
              "$XDG_CONFIG_HOME/i3/config, ~/.i3/config, $XDG_CONFIG_DIRS/i3/config "
              "and " SYSCONFDIR "/i3/config)");
      }
  
      LOG("Parsing configfile %s\n", path);
      FREE(current_configpath);
      current_configpath = path;
  
      /* initialize default bindings if we're just validating the config file */
      if (!use_nagbar && bindings == NULL) {
          bindings = scalloc(1, sizeof(struct bindings_head));
          TAILQ_INIT(bindings);
      }
  
      return parse_file(path, use_nagbar);
  }
  
  /*
   * (Re-)loads the configuration file (sets useful defaults before).
   *
   */
  void load_configuration(xcb_connection_t *conn, const char *override_configpath, bool reload) {
      if (reload) {
          /* If we are currently in a binding mode, we first revert to the
           * default since we have no guarantee that the current mode will even
           * still exist after parsing the config again. See #2228. */
          switch_mode("default");
  
          /* First ungrab the keys */
          ungrab_all_keys(conn);
  
          struct Mode *mode;
          while (!SLIST_EMPTY(&modes)) {
              mode = SLIST_FIRST(&modes);
              FREE(mode->name);
  
              /* Clear the old binding list */
              while (!TAILQ_EMPTY(mode->bindings)) {
                  Binding *bind = TAILQ_FIRST(mode->bindings);
                  TAILQ_REMOVE(mode->bindings, bind, bindings);
                  binding_free(bind);
              }
              FREE(mode->bindings);
  
              SLIST_REMOVE(&modes, mode, Mode, modes);
              FREE(mode);
          }
  
          while (!TAILQ_EMPTY(&assignments)) {
              struct Assignment *assign = TAILQ_FIRST(&assignments);
              if (assign->type == A_TO_WORKSPACE || assign->type == A_TO_WORKSPACE_NUMBER)
                  FREE(assign->dest.workspace);
              else if (assign->type == A_COMMAND)
                  FREE(assign->dest.command);
              else if (assign->type == A_TO_OUTPUT)
                  FREE(assign->dest.output);
              match_free(&(assign->match));
              TAILQ_REMOVE(&assignments, assign, assignments);
              FREE(assign);
          }
  
          while (!TAILQ_EMPTY(&ws_assignments)) {
              struct Workspace_Assignment *assign = TAILQ_FIRST(&ws_assignments);
              FREE(assign->name);
              FREE(assign->output);
              TAILQ_REMOVE(&ws_assignments, assign, ws_assignments);
              FREE(assign);
          }
  
          /* Clear bar configs */
          Barconfig *barconfig;
          while (!TAILQ_EMPTY(&barconfigs)) {
              barconfig = TAILQ_FIRST(&barconfigs);
              FREE(barconfig->id);
              for (int c = 0; c < barconfig->num_outputs; c++)
                  free(barconfig->outputs[c]);
  
              while (!TAILQ_EMPTY(&(barconfig->bar_bindings))) {
                  struct Barbinding *binding = TAILQ_FIRST(&(barconfig->bar_bindings));
                  FREE(binding->command);
                  TAILQ_REMOVE(&(barconfig->bar_bindings), binding, bindings);
                  FREE(binding);
              }
  
              while (!TAILQ_EMPTY(&(barconfig->tray_outputs))) {
                  struct tray_output_t *tray_output = TAILQ_FIRST(&(barconfig->tray_outputs));
                  FREE(tray_output->output);
                  TAILQ_REMOVE(&(barconfig->tray_outputs), tray_output, tray_outputs);
                  FREE(tray_output);
              }
  
              FREE(barconfig->outputs);
              FREE(barconfig->socket_path);
              FREE(barconfig->status_command);
              FREE(barconfig->i3bar_command);
              FREE(barconfig->font);
              FREE(barconfig->colors.background);
              FREE(barconfig->colors.statusline);
              FREE(barconfig->colors.separator);
              FREE(barconfig->colors.focused_background);
              FREE(barconfig->colors.focused_statusline);
              FREE(barconfig->colors.focused_separator);
              FREE(barconfig->colors.focused_workspace_border);
              FREE(barconfig->colors.focused_workspace_bg);
              FREE(barconfig->colors.focused_workspace_text);
              FREE(barconfig->colors.active_workspace_border);
              FREE(barconfig->colors.active_workspace_bg);
              FREE(barconfig->colors.active_workspace_text);
              FREE(barconfig->colors.inactive_workspace_border);
              FREE(barconfig->colors.inactive_workspace_bg);
              FREE(barconfig->colors.inactive_workspace_text);
              FREE(barconfig->colors.urgent_workspace_border);
              FREE(barconfig->colors.urgent_workspace_bg);
              FREE(barconfig->colors.urgent_workspace_text);
              FREE(barconfig->colors.binding_mode_border);
              FREE(barconfig->colors.binding_mode_bg);
              FREE(barconfig->colors.binding_mode_text);
              TAILQ_REMOVE(&barconfigs, barconfig, configs);
              FREE(barconfig);
          }
  
          Con *con;
          TAILQ_FOREACH(con, &all_cons, all_cons) {
              /* Assignments changed, previously ran assignments are invalid. */
              if (con->window) {
                  con->window->nr_assignments = 0;
                  FREE(con->window->ran_assignments);
              }
              /* Invalidate pixmap caches in case font or colors changed. */
              FREE(con->deco_render_params);
          }
  
          /* Get rid of the current font */
          free_font();
  
          free(config.ipc_socket_path);
          free(config.restart_state_path);
          free(config.fake_outputs);
      }
  
      SLIST_INIT(&modes);
  
      struct Mode *default_mode = scalloc(1, sizeof(struct Mode));
      default_mode->name = sstrdup("default");
      default_mode->bindings = scalloc(1, sizeof(struct bindings_head));
      TAILQ_INIT(default_mode->bindings);
      SLIST_INSERT_HEAD(&modes, default_mode, modes);
  
      bindings = default_mode->bindings;
  
      /* Clear the old config or initialize the data structure */
      memset(&config, 0, sizeof(config));
  
  /* Initialize default colors */
  #define INIT_COLOR(x, cborder, cbackground, ctext, cindicator) \
      do {                                                       \
          x.border = draw_util_hex_to_color(cborder);            \
          x.background = draw_util_hex_to_color(cbackground);    \
          x.text = draw_util_hex_to_color(ctext);                \
          x.indicator = draw_util_hex_to_color(cindicator);      \
          x.child_border = draw_util_hex_to_color(cbackground);  \
      } while (0)
  
      config.client.background = draw_util_hex_to_color("#000000");
      INIT_COLOR(config.client.focused, "#4c7899", "#285577", "#ffffff", "#2e9ef4");
      INIT_COLOR(config.client.focused_inactive, "#333333", "#5f676a", "#ffffff", "#484e50");
      INIT_COLOR(config.client.unfocused, "#333333", "#222222", "#888888", "#292d2e");
      INIT_COLOR(config.client.urgent, "#2f343a", "#900000", "#ffffff", "#900000");
  
      /* border and indicator color are ignored for placeholder contents */
      INIT_COLOR(config.client.placeholder, "#000000", "#0c0c0c", "#ffffff", "#000000");
  
      /* the last argument (indicator color) is ignored for bar colors */
      INIT_COLOR(config.bar.focused, "#4c7899", "#285577", "#ffffff", "#000000");
      INIT_COLOR(config.bar.unfocused, "#333333", "#222222", "#888888", "#000000");
      INIT_COLOR(config.bar.urgent, "#2f343a", "#900000", "#ffffff", "#000000");
  
      config.show_marks = true;
  
      config.default_border = BS_NORMAL;
      config.default_floating_border = BS_NORMAL;
      config.default_border_width = logical_px(2);
      config.default_floating_border_width = logical_px(2);
      /* Set default_orientation to NO_ORIENTATION for auto orientation. */
      config.default_orientation = NO_ORIENTATION;
  
      config.gaps.inner = 0;
      config.gaps.top = 0;
      config.gaps.right = 0;
      config.gaps.bottom = 0;
      config.gaps.left = 0;
  
      /* Set default urgency reset delay to 500ms */
      if (config.workspace_urgency_timer == 0)
          config.workspace_urgency_timer = 0.5;
  
      config.focus_wrapping = FOCUS_WRAPPING_ON;
  
      parse_configuration(override_configpath, true);
  
      if (reload) {
          translate_keysyms();
          grab_all_keys(conn);
          regrab_all_buttons(conn);
      }
  
      if (config.font.type == FONT_TYPE_NONE) {
          ELOG("You did not specify required configuration option \"font\"\n");
          config.font = load_font("fixed", true);
          set_font(&config.font);
      }
  
      /* Redraw the currently visible decorations on reload, so that
       * the possibly new drawing parameters changed. */
      if (reload) {
          x_deco_recurse(croot);
          xcb_flush(conn);
      }
  }
  