kc3-lang/libxkbcommon/src/x11/x11-priv.h

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• Hash : b9707c1d
  Author :
  Date : 2021-03-07T08:01:49
  

  Save three more round trips in xkb_x11_keymap_new_from_device()
  
  Instead of asking for an atom name and waiting for the reply four times, this
  now sends four GetAtomName requests and waits for all the replies at once. Thus,
  this saves three round trips.
  
  Signed-off-by: Uli Schlachter <psychon@znc.in>
  

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• src/x11/x11-priv.h

• /*
   * Copyright © 2013 Ran Benita
   *
   * Permission is hereby granted, free of charge, to any person obtaining a
   * copy of this software and associated documentation files (the "Software"),
   * to deal in the Software without restriction, including without limitation
   * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   * and/or sell copies of the Software, and to permit persons to whom the
   * Software is furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice (including the next
   * paragraph) shall be included in all copies or substantial portions of the
   * Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
   * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
   * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
   * DEALINGS IN THE SOFTWARE.
   */
  
  #ifndef _XKBCOMMON_X11_PRIV_H
  #define _XKBCOMMON_X11_PRIV_H
  
  #include <xcb/xkb.h>
  
  #include "keymap.h"
  #include "xkbcommon/xkbcommon-x11.h"
  
  struct x11_atom_interner {
      struct xkb_context *ctx;
      xcb_connection_t *conn;
      bool had_error;
      /* Atoms for which we send a GetAtomName request */
      struct {
          xcb_atom_t from;
          xkb_atom_t *out;
          xcb_get_atom_name_cookie_t cookie;
      } pending[128];
      size_t num_pending;
      /* Atoms which were already pending but queried again */
      struct {
          xcb_atom_t from;
          xkb_atom_t *out;
      } copies[128];
      size_t num_copies;
      /* These are not interned, but saved directly (after XkbEscapeMapName) */
      struct {
          xcb_get_atom_name_cookie_t cookie;
          char **out;
      } escaped[4];
      size_t num_escaped;
  };
  
  void
  x11_atom_interner_init(struct x11_atom_interner *interner,
                         struct xkb_context *ctx, xcb_connection_t *conn);
  
  void
  x11_atom_interner_round_trip(struct x11_atom_interner *interner);
  
  /*
   * Make a xkb_atom_t's from X atoms. The actual write is delayed until the next
   * call to x11_atom_interner_round_trip() or when too many atoms are pending.
   */
  void
  x11_atom_interner_adopt_atom(struct x11_atom_interner *interner,
                               const xcb_atom_t atom, xkb_atom_t *out);
  
  /*
   * Get a strdup'd and XkbEscapeMapName'd name of an X atom. The actual write is
   * delayed until the next call to x11_atom_interner_round_trip().
   */
  void
  x11_atom_interner_get_escaped_atom_name(struct x11_atom_interner *interner,
                                          xcb_atom_t atom, char **out);
  
  #endif
  

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