/************************************************************
- Copyright (c) 1994 by Silicon Graphics Computer Systems, Inc.
-
- Permission to use, copy, modify, and distribute this
- software and its documentation for any purpose and without
- fee is hereby granted, provided that the above copyright
- notice appear in all copies and that both that copyright
- notice and this permission notice appear in supporting
- documentation, and that the name of Silicon Graphics not be
- used in advertising or publicity pertaining to distribution
- of the software without specific prior written permission.
- Silicon Graphics makes no representation about the suitability
- of this software for any purpose. It is provided "as is"
- without any express or implied warranty.
-
- SILICON GRAPHICS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
- SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
- GRAPHICS BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
- DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
- DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH
- THE USE OR PERFORMANCE OF THIS SOFTWARE.
-
+ * Copyright (c) 1994 by Silicon Graphics Computer Systems, Inc.
+ *
+ * Permission to use, copy, modify, and distribute this
+ * software and its documentation for any purpose and without
+ * fee is hereby granted, provided that the above copyright
+ * notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting
+ * documentation, and that the name of Silicon Graphics not be
+ * used in advertising or publicity pertaining to distribution
+ * of the software without specific prior written permission.
+ * Silicon Graphics makes no representation about the suitability
+ * of this software for any purpose. It is provided "as is"
+ * without any express or implied warranty.
+ *
+ * SILICON GRAPHICS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH
+ * THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
********************************************************/
-#define DEBUG_VAR debugFlags
-#include <stdio.h>
-#include "xkbcomp.h"
-#include "tokens.h"
-#include "expr.h"
-#include "misc.h"
-
-#include <X11/extensions/XKB.h>
-#include <X11/extensions/XKBstrcommon.h>
+#include "config.h"
+#include "xkbcomp-priv.h"
+#include "text.h"
+#include "expr.h"
#include "vmod.h"
-void
-InitVModInfo(VModInfo * info, XkbcDescPtr xkb)
-{
- ClearVModInfo(info, xkb);
- info->errorCount = 0;
- return;
-}
-
-void
-ClearVModInfo(VModInfo * info, XkbcDescPtr xkb)
+bool
+HandleVModDef(struct xkb_context *ctx, struct xkb_mod_set *mods,
+ VModDef *stmt, enum merge_mode merge)
{
- register int i;
-
- if (XkbcAllocNames(xkb, XkbVirtualModNamesMask, 0, 0) != Success)
- return;
- if (XkbcAllocServerMap(xkb, XkbVirtualModsMask, 0) != Success)
- return;
- info->xkb = xkb;
- info->newlyDefined = info->defined = info->available = 0;
- if (xkb && xkb->names)
- {
- register int bit;
- for (i = 0, bit = 1; i < XkbNumVirtualMods; i++, bit <<= 1)
- {
- if (xkb->names->vmods[i] != None)
- info->defined |= bit;
- }
- }
- return;
-}
-
-/***====================================================================***/
-
-/**
- * Handle one entry in the virtualModifiers line (e.g. NumLock).
- * If the entry is e.g. NumLock=Mod1, stmt->value is not NULL, and the
- * XkbServerMap's vmod is set to the given modifier. Otherwise, the vmod is 0.
- *
- * @param stmt The statement specifying the name and (if any the value).
- * @param mergeMode Merge strategy (e.g. MergeOverride)
- */
-Bool
-HandleVModDef(VModDef * stmt, unsigned mergeMode, VModInfo * info)
-{
- register int i, bit, nextFree;
- ExprResult mod;
- XkbServerMapPtr srv;
- XkbNamesPtr names;
- Atom stmtName;
-
- srv = info->xkb->server;
- names = info->xkb->names;
- stmtName = XkbcInternAtom(XkbcAtomGetString(stmt->name), False);
- for (i = 0, bit = 1, nextFree = -1; i < XkbNumVirtualMods; i++, bit <<= 1)
- {
- if (info->defined & bit)
- {
- if (names->vmods[i] == stmtName)
- { /* already defined */
- info->available |= bit;
- if (stmt->value == NULL)
- return True;
- else
- {
- char *str1;
- const char *str2 = "";
- if (!ExprResolveModMask(stmt->value, &mod, NULL, NULL))
- {
- str1 = XkbcAtomText(stmt->name);
- ACTION("Declaration of %s ignored\n", str1);
- return False;
- }
- if (mod.uval == srv->vmods[i])
- return True;
-
- str1 = XkbcAtomText(stmt->name);
- WARN("Virtual modifier %s multiply defined\n", str1);
- str1 = XkbcModMaskText(srv->vmods[i], True);
- if (mergeMode == MergeOverride)
- {
- str2 = str1;
- str1 = XkbcModMaskText(mod.uval, True);
- }
- ACTION("Using %s, ignoring %s\n", str1, str2);
- if (mergeMode == MergeOverride)
- srv->vmods[i] = mod.uval;
- return True;
- }
- }
+ xkb_mod_index_t i;
+ struct xkb_mod *mod;
+ xkb_mod_mask_t mapping;
+
+ merge = (merge == MERGE_DEFAULT ? stmt->merge : merge);
+
+ if (stmt->value) {
+ /*
+ * This is a statement such as 'virtualModifiers NumLock = Mod1';
+ * it sets the vmod-to-real-mod[s] mapping directly instead of going
+ * through modifier_map or some such.
+ */
+ if (!ExprResolveModMask(ctx, stmt->value, MOD_REAL, mods, &mapping)) {
+ log_err(ctx, XKB_LOG_MESSAGE_NO_ID,
+ "Declaration of %s ignored\n",
+ xkb_atom_text(ctx, stmt->name));
+ return false;
}
- else if (nextFree < 0)
- nextFree = i;
}
- if (nextFree < 0)
- {
- ERROR("Too many virtual modifiers defined (maximum %d)\n",
- XkbNumVirtualMods);
- ACTION("Exiting\n");
- return False;
+ else {
+ mapping = 0;
}
- info->defined |= (1 << nextFree);
- info->newlyDefined |= (1 << nextFree);
- info->available |= (1 << nextFree);
- names->vmods[nextFree] = stmtName;
- if (stmt->value == NULL)
- return True;
- if (ExprResolveModMask(stmt->value, &mod, NULL, NULL))
- {
- srv->vmods[nextFree] = mod.uval;
- return True;
- }
- ACTION("Declaration of %s ignored\n",
- XkbcAtomText(stmt->name));
- return False;
-}
-/**
- * Returns the index of the given modifier in the xkb->names->vmods array.
- *
- * @param priv Pointer to the xkb data structure.
- * @param elem Must be None, otherwise return False.
- * @param field The Atom of the modifier's name (e.g. Atom for LAlt)
- * @param type Must be TypeInt, otherwise return False.
- * @param val_rtrn Set to the index of the modifier that matches.
- *
- * @return True on success, False otherwise. If False is returned, val_rtrn is
- * undefined.
- */
-int
-LookupVModIndex(char * priv,
- Atom elem, Atom field, unsigned type, ExprResult * val_rtrn)
-{
- register int i;
- register char *fieldStr;
- register char *modStr;
- XkbcDescPtr xkb;
+ xkb_mods_enumerate(i, mod, mods) {
+ if (mod->name == stmt->name) {
+ if (mod->type != MOD_VIRT) {
+ log_err(ctx, XKB_LOG_MESSAGE_NO_ID,
+ "Can't add a virtual modifier named \"%s\"; "
+ "there is already a non-virtual modifier with this name! Ignored\n",
+ xkb_atom_text(ctx, mod->name));
+ return false;
+ }
- xkb = (XkbcDescPtr) priv;
- if ((xkb == NULL) || (xkb->names == NULL) || (elem != None)
- || (type != TypeInt))
- {
- return False;
- }
- /* get the actual name */
- fieldStr = XkbcAtomGetString(field);
- if (fieldStr == NULL)
- return False;
- /* For each named modifier, get the name and compare it to the one passed
- * in. If we get a match, return the index of the modifier.
- * The order of modifiers is the same as in the virtual_modifiers line in
- * the xkb_types section.
- */
- for (i = 0; i < XkbNumVirtualMods; i++)
- {
- modStr = XkbcAtomGetString(xkb->names->vmods[i]);
- if ((modStr != NULL) && (uStrCaseCmp(fieldStr, modStr) == 0))
- {
- val_rtrn->uval = i;
- return True;
- }
- }
- return False;
-}
+ if (mod->mapping == mapping)
+ return true;
-/**
- * Get the mask for the given modifier and set val_rtrn.uval to the mask.
- * Note that the mask returned is always > 512.
- *
- * @param priv Pointer to xkb data structure.
- * @param val_rtrn Set to the mask returned.
- *
- * @return True on success, False otherwise. If False is returned, val_rtrn is
- * undefined.
- */
-int
-LookupVModMask(char * priv,
- Atom elem, Atom field, unsigned type, ExprResult * val_rtrn)
-{
- if (LookupVModIndex(priv, elem, field, type, val_rtrn))
- {
- register unsigned ndx = val_rtrn->uval;
- val_rtrn->uval = (1 << (XkbNumModifiers + ndx));
- return True;
- }
- return False;
-}
+ if (mod->mapping != 0) {
+ xkb_mod_mask_t use, ignore;
-int
-FindKeypadVMod(XkbcDescPtr xkb)
-{
- Atom name;
- ExprResult rtrn;
+ use = (merge == MERGE_OVERRIDE ? mapping : mod->mapping);
+ ignore = (merge == MERGE_OVERRIDE ? mod->mapping : mapping);
- name = XkbcInternAtom("NumLock", False);
- if ((xkb) && LookupVModIndex((char *) xkb, None, name, TypeInt, &rtrn))
- {
- return rtrn.ival;
- }
- return -1;
-}
+ log_warn(ctx, XKB_LOG_MESSAGE_NO_ID,
+ "Virtual modifier %s defined multiple times; "
+ "Using %s, ignoring %s\n",
+ xkb_atom_text(ctx, stmt->name),
+ ModMaskText(ctx, mods, use),
+ ModMaskText(ctx, mods, ignore));
-Bool
-ResolveVirtualModifier(ExprDef * def, ExprResult * val_rtrn, VModInfo * info)
-{
- XkbNamesPtr names;
-
- names = info->xkb->names;
- if (def->op == ExprIdent)
- {
- register int i, bit;
- for (i = 0, bit = 1; i < XkbNumVirtualMods; i++, bit <<= 1)
- {
- char *str1, *str2;
- str1 = XkbcAtomGetString(names->vmods[i]);
- str2 = XkbcAtomGetString(def->value.str);
- if ((info->available & bit) && (uStrCaseCmp(str1, str2) == Equal))
- {
- val_rtrn->uval = i;
- return True;
+ mapping = use;
}
+
+ mod->mapping = mapping;
+ return true;
}
}
- if (ExprResolveInteger(def, val_rtrn, NULL, NULL))
- {
- if (val_rtrn->uval < XkbNumVirtualMods)
- return True;
- ERROR("Illegal virtual modifier %d (must be 0..%d inclusive)\n",
- val_rtrn->uval, XkbNumVirtualMods - 1);
+
+ if (mods->num_mods >= XKB_MAX_MODS) {
+ log_err(ctx, XKB_LOG_MESSAGE_NO_ID,
+ "Too many modifiers defined (maximum %d)\n",
+ XKB_MAX_MODS);
+ return false;
}
- return False;
+
+ mods->mods[mods->num_mods].name = stmt->name;
+ mods->mods[mods->num_mods].type = MOD_VIRT;
+ mods->mods[mods->num_mods].mapping = mapping;
+ mods->num_mods++;
+ return true;
}
projects / platform / upstream / libxkbcommon.git / blobdiff