diff options
Diffstat (limited to 'libX11/src/StrKeysym.c')
-rw-r--r-- | libX11/src/StrKeysym.c | 329 |
1 files changed, 173 insertions, 156 deletions
diff --git a/libX11/src/StrKeysym.c b/libX11/src/StrKeysym.c index 0758f9b02..e2458fcd0 100644 --- a/libX11/src/StrKeysym.c +++ b/libX11/src/StrKeysym.c @@ -1,156 +1,173 @@ -/* - -Copyright 1985, 1987, 1990, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice 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 -OPEN GROUP 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. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - -*/ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include "Xlibint.h" -#include <X11/Xresource.h> -#include <X11/keysymdef.h> -#include "Xresinternal.h" - -#define NEEDKTABLE -#include "ks_tables.h" -#include "Key.h" - -#ifndef KEYSYMDB -#ifndef XKEYSYMDB -#define KEYSYMDB "XKeysymDB" -#else -#define KEYSYMDB XKEYSYMDB -#endif -#endif - -static Bool initialized; -static XrmDatabase keysymdb; -static XrmQuark Qkeysym[2]; - -XrmDatabase -_XInitKeysymDB(void) -{ - if (!initialized) - { - const char *dbname; - - XrmInitialize(); - /* use and name of this env var is not part of the standard */ - /* implementation-dependent feature */ - dbname = getenv("XKEYSYMDB"); - if (!dbname) - dbname = KEYSYMDB; - keysymdb = XrmGetFileDatabase(dbname); - if (keysymdb) - Qkeysym[0] = XrmStringToQuark("Keysym"); - initialized = True; - } - return keysymdb; -} - -KeySym -XStringToKeysym(_Xconst char *s) -{ - register int i, n; - int h; - register Signature sig = 0; - register const char *p = s; - register int c; - register int idx; - const unsigned char *entry; - unsigned char sig1, sig2; - KeySym val; - - while ((c = *p++)) - sig = (sig << 1) + c; - i = sig % KTABLESIZE; - h = i + 1; - sig1 = (sig >> 8) & 0xff; - sig2 = sig & 0xff; - n = KMAXHASH; - while ((idx = hashString[i])) - { - entry = &_XkeyTable[idx]; - if ((entry[0] == sig1) && (entry[1] == sig2) && - !strcmp(s, (char *)entry + 6)) - { - val = (entry[2] << 24) | (entry[3] << 16) | - (entry[4] << 8) | entry[5]; - if (!val) - val = XK_VoidSymbol; - return val; - } - if (!--n) - break; - i += h; - if (i >= KTABLESIZE) - i -= KTABLESIZE; - } - - if (!initialized) - (void)_XInitKeysymDB(); - if (keysymdb) - { - XrmValue result; - XrmRepresentation from_type; - char c; - XrmQuark names[2]; - - names[0] = _XrmInternalStringToQuark(s, p - s - 1, sig, False); - names[1] = NULLQUARK; - (void)XrmQGetResource(keysymdb, names, Qkeysym, &from_type, &result); - if (result.addr && (result.size > 1)) - { - val = 0; - for (i = 0; i < result.size - 1; i++) - { - c = ((char *)result.addr)[i]; - if ('0' <= c && c <= '9') val = (val<<4)+c-'0'; - else if ('a' <= c && c <= 'f') val = (val<<4)+c-'a'+10; - else if ('A' <= c && c <= 'F') val = (val<<4)+c-'A'+10; - else return NoSymbol; - } - return val; - } - } - - if (*s == 'U') { - val = 0; - for (p = &s[1]; *p; p++) { - c = *p; - if ('0' <= c && c <= '9') val = (val<<4)+c-'0'; - else if ('a' <= c && c <= 'f') val = (val<<4)+c-'a'+10; - else if ('A' <= c && c <= 'F') val = (val<<4)+c-'A'+10; - else return NoSymbol; - if (val > 0x10ffff) - return NoSymbol; - } - if (val < 0x20 || (val > 0x7e && val < 0xa0)) - return NoSymbol; - if (val < 0x100) - return val; - return val | 0x01000000; - } - return NoSymbol; -} +/*
+
+Copyright 1985, 1987, 1990, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice 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
+OPEN GROUP 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.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include <X11/Xresource.h>
+#include <X11/keysymdef.h>
+#include "Xresinternal.h"
+
+#define NEEDKTABLE
+#include "ks_tables.h"
+#include "Key.h"
+
+#ifndef KEYSYMDB
+#ifndef XKEYSYMDB
+#define KEYSYMDB "XKeysymDB"
+#else
+#define KEYSYMDB XKEYSYMDB
+#endif
+#endif
+
+#include <unistd.h>
+
+static Bool initialized;
+static XrmDatabase keysymdb;
+static XrmQuark Qkeysym[2];
+
+XrmDatabase
+_XInitKeysymDB(void)
+{
+ if (!initialized)
+ {
+ const char *dbname;
+
+ XrmInitialize();
+ /* use and name of this env var is not part of the standard */
+ /* implementation-dependent feature */
+ dbname = getenv("XKEYSYMDB");
+ if (!dbname)
+ dbname = KEYSYMDB;
+ keysymdb = XrmGetFileDatabase(dbname);
+ if (keysymdb)
+ Qkeysym[0] = XrmStringToQuark("Keysym");
+ initialized = True;
+ }
+ return keysymdb;
+}
+
+KeySym
+XStringToKeysym(_Xconst char *s)
+{
+ register int i, n;
+ int h;
+ register Signature sig = 0;
+ register const char *p = s;
+ register int c;
+ register int idx;
+ const unsigned char *entry;
+ unsigned char sig1, sig2;
+ KeySym val;
+
+ while ((c = *p++))
+ sig = (sig << 1) + c;
+ i = sig % KTABLESIZE;
+ h = i + 1;
+ sig1 = (sig >> 8) & 0xff;
+ sig2 = sig & 0xff;
+ n = KMAXHASH;
+ while ((idx = hashString[i]))
+ {
+ entry = &_XkeyTable[idx];
+ if ((entry[0] == sig1) && (entry[1] == sig2) &&
+ !strcmp(s, (char *)entry + 6))
+ {
+ val = (entry[2] << 24) | (entry[3] << 16) |
+ (entry[4] << 8) | entry[5];
+ if (!val)
+ val = XK_VoidSymbol;
+ return val;
+ }
+ if (!--n)
+ break;
+ i += h;
+ if (i >= KTABLESIZE)
+ i -= KTABLESIZE;
+ }
+
+ if (!initialized)
+ (void)_XInitKeysymDB();
+ if (keysymdb)
+ {
+ XrmValue result;
+ XrmRepresentation from_type;
+ char c;
+ XrmQuark names[2];
+
+ names[0] = _XrmInternalStringToQuark(s, p - s - 1, sig, False);
+ names[1] = NULLQUARK;
+ (void)XrmQGetResource(keysymdb, names, Qkeysym, &from_type, &result);
+ if (result.addr && (result.size > 1))
+ {
+ val = 0;
+ for (i = 0; i < result.size - 1; i++)
+ {
+ c = ((char *)result.addr)[i];
+ if ('0' <= c && c <= '9') val = (val<<4)+c-'0';
+ else if ('a' <= c && c <= 'f') val = (val<<4)+c-'a'+10;
+ else if ('A' <= c && c <= 'F') val = (val<<4)+c-'A'+10;
+ else return NoSymbol;
+ }
+ return val;
+ }
+ }
+
+ if (*s == 'U') {
+ val = 0;
+ for (p = &s[1]; *p; p++) {
+ c = *p;
+ if ('0' <= c && c <= '9') val = (val<<4)+c-'0';
+ else if ('a' <= c && c <= 'f') val = (val<<4)+c-'a'+10;
+ else if ('A' <= c && c <= 'F') val = (val<<4)+c-'A'+10;
+ else return NoSymbol;
+ if (val > 0x10ffff)
+ return NoSymbol;
+ }
+ if (val < 0x20 || (val > 0x7e && val < 0xa0))
+ return NoSymbol;
+ if (val < 0x100)
+ return val;
+ return val | 0x01000000;
+ }
+
+ /* Stupid inconsistency between the headers and XKeysymDB: the former has
+ * no separating underscore, while some XF86* syms in the latter did.
+ * As a last ditch effort, try without. */
+ if (strncmp(s, "XF86_", 5) == 0) {
+ KeySym ret;
+ char *tmp = strdup(s);
+ if (!tmp)
+ return NoSymbol;
+ memmove(&tmp[4], &tmp[5], strlen(s) - 5 + 1);
+ ret = XStringToKeysym(tmp);
+ free(tmp);
+ return ret;
+ }
+
+ return NoSymbol;
+}
|