diff options
Diffstat (limited to 'IMdkit/IMConn.c')
| -rw-r--r-- | IMdkit/IMConn.c | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/IMdkit/IMConn.c b/IMdkit/IMConn.c new file mode 100644 index 0000000..6d36589 --- /dev/null +++ b/IMdkit/IMConn.c @@ -0,0 +1,176 @@ +/****************************************************************** + + Copyright 1994, 1995 by Sun Microsystems, Inc. + Copyright 1993, 1994 by Hewlett-Packard Company + +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, and that the name of Sun Microsystems, Inc. +and Hewlett-Packard not be used in advertising or publicity pertaining to +distribution of the software without specific, written prior permission. +Sun Microsystems, Inc. and Hewlett-Packard make no representations about +the suitability of this software for any purpose. It is provided "as is" +without express or implied warranty. + +SUN MICROSYSTEMS INC. AND HEWLETT-PACKARD COMPANY DISCLAIMS ALL +WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED +WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL +SUN MICROSYSTEMS, INC. AND HEWLETT-PACKARD COMPANY 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. + + Author: Hidetoshi Tajima(tajima@Eng.Sun.COM) Sun Microsystems, Inc. + + This version tidied and debugged by Steve Underwood May 1999 + +******************************************************************/ + +#include <X11/Xlib.h> +#include <stdlib.h> +#include <string.h> +#include "IMdkit.h" +#include <stdarg.h> + +#define Va_start(a,b) va_start(a,b) + +static void _IMCountVaList(va_list var, int *total_count) +{ + char *attr; + + *total_count = 0; + + for (attr = va_arg (var, char*); attr; attr = va_arg (var, char*)) + { + (void)va_arg (var, XIMArg *); + ++(*total_count); + } + /*endfor*/ +} + +static void _IMVaToNestedList(va_list var, int max_count, XIMArg **args_return) +{ + XIMArg *args; + char *attr; + + if (max_count <= 0) + { + *args_return = (XIMArg *) NULL; + return; + } + /*endif*/ + + args = (XIMArg *) malloc ((unsigned) (max_count + 1)*sizeof (XIMArg)); + *args_return = args; + if (!args) + return; + /*endif*/ + + for (attr = va_arg (var, char*); attr; attr = va_arg (var, char *)) + { + args->name = attr; + args->value = va_arg (var, XPointer); + args++; + } + /*endfor*/ + args->name = (char*)NULL; +} + +static char *_FindModifiers (XIMArg *args) +{ + char *modifiers; + + while (args->name) + { + if (strcmp (args->name, IMModifiers) == 0) + { + modifiers = args->value; + return modifiers; + } + else + { + args++; + } + /*endif*/ + } + /*endwhile*/ + return NULL; +} + +XIMS _GetIMS (char *modifiers) +{ + XIMS ims; + extern IMMethodsRec Xi18n_im_methods; + + if ((ims = (XIMS) malloc (sizeof (XIMProtocolRec))) == (XIMS) NULL) + return ((XIMS) NULL); + /*endif*/ + memset ((void *) ims, 0, sizeof (XIMProtocolRec)); + + if (modifiers == NULL + || + modifiers[0] == '\0' + || + strcmp (modifiers, "Xi18n") == 0) + { + ims->methods = &Xi18n_im_methods; + return ims; + } + /*endif*/ + XFree (ims); + return (XIMS) NULL; +} + +XIMS IMOpenIM (Display *display, ...) +{ + va_list var; + int total_count; + XIMArg *args; + XIMS ims; + char *modifiers; + Status ret; + + Va_start (var, display); + _IMCountVaList (var, &total_count); + va_end (var); + + Va_start (var, display); + _IMVaToNestedList (var, total_count, &args); + va_end (var); + + modifiers = _FindModifiers (args); + + ims = _GetIMS (modifiers); + if (ims == (XIMS) NULL) + return (XIMS) NULL; + /*endif*/ + + ims->core.display = display; + + ims->protocol = (*ims->methods->setup) (display, args); + XFree (args); + if (ims->protocol == (void *) NULL) + { + XFree (ims); + return (XIMS) NULL; + } + /*endif*/ + ret = (ims->methods->openIM) (ims); + if (ret == False) + { + XFree (ims); + return (XIMS) NULL; + } + /*endif*/ + return (XIMS) ims; +} + +Status IMCloseIM (XIMS ims) +{ + (ims->methods->closeIM) (ims); + XFree (ims); + return True; +} |