1 /************************************************************
2 * Copyright (c) 1994 by Silicon Graphics Computer Systems, Inc.
4 * Permission to use, copy, modify, and distribute this
5 * software and its documentation for any purpose and without
6 * fee is hereby granted, provided that the above copyright
7 * notice appear in all copies and that both that copyright
8 * notice and this permission notice appear in supporting
9 * documentation, and that the name of Silicon Graphics not be
10 * used in advertising or publicity pertaining to distribution
11 * of the software without specific prior written permission.
12 * Silicon Graphics makes no representation about the suitability
13 * of this software for any purpose. It is provided "as is"
14 * without any express or implied warranty.
16 * SILICON GRAPHICS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
17 * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
18 * AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
19 * GRAPHICS BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
20 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
21 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
22 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH
23 * THE USE OR PERFORMANCE OF THIS SOFTWARE.
25 ********************************************************/
27 #include "xkbcomp-priv.h"
33 CopyModSet(struct xkb_mod_set *into, const struct xkb_mod_set *from)
35 memcpy(into->mods, from->mods, sizeof(*from->mods) * from->num_mods);
36 into->num_mods = from->num_mods;
40 HandleVModDef(struct xkb_context *ctx, struct xkb_mod_set *mods,
41 VModDef *stmt, enum merge_mode merge)
45 xkb_mod_mask_t mapping;
47 merge = (merge == MERGE_DEFAULT ? stmt->merge : merge);
51 * This is a statement such as 'virtualModifiers NumLock = Mod1';
52 * it sets the vmod-to-real-mod[s] mapping directly instead of going
53 * through modifier_map or some such.
55 if (!ExprResolveModMask(ctx, stmt->value, MOD_REAL, mods, &mapping)) {
57 "Declaration of %s ignored\n",
58 xkb_atom_text(ctx, stmt->name));
66 xkb_mods_enumerate(i, mod, mods) {
67 if (mod->name == stmt->name) {
68 if (mod->type != MOD_VIRT) {
70 "Can't add a virtual modifier named \"%s\"; "
71 "there is already a non-virtual modifier with this name! Ignored\n",
72 xkb_atom_text(ctx, mod->name));
76 if (mod->mapping == mapping)
79 if (mod->mapping != 0) {
80 xkb_mod_mask_t use, ignore;
82 use = (merge == MERGE_OVERRIDE ? mapping : mod->mapping);
83 ignore = (merge == MERGE_OVERRIDE ? mod->mapping : mapping);
86 "Virtual modifier %s defined multiple times; "
87 "Using %s, ignoring %s\n",
88 xkb_atom_text(ctx, stmt->name),
89 ModMaskText(ctx, mods, use),
90 ModMaskText(ctx, mods, ignore));
95 mod->mapping = mapping;
100 if (mods->num_mods >= XKB_MAX_MODS) {
102 "Too many modifiers defined (maximum %d)\n",
107 mods->mods[mods->num_mods].name = stmt->name;
108 mods->mods[mods->num_mods].type = MOD_VIRT;
109 mods->mods[mods->num_mods].mapping = mapping;