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IABSD.fr/xenocara/lib/libXaw/src/Actions.c
matthieu
- lib/libXaw/src/Actions.c
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/* * Copyright (c) 1998 by The XFree86 Project, Inc. * * 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 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 XFREE86 PROJECT 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 XFree86 Project 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 * XFree86 Project. */ #ifdef HAVE_CONFIG_H #include <config.h> #endif #include <ctype.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <X11/Xmd.h> #include <X11/IntrinsicP.h> #include <X11/StringDefs.h> #include <X11/CoreP.h> #include <X11/Constraint.h> #include <X11/Xmu/CharSet.h> #include <X11/Xfuncs.h> #include "Private.h" #ifndef OLDXAW /* * Definitions */ #define ERROR -2 #define END -1 #define BOOLEAN 0 #define AND '&' #define OR '|' #define XOR '^' #define NOT '~' #define LP '(' #define RP ')' /* * Types */ /* boolean expressions */ typedef struct _XawEvalInfo { Widget widget; XawActionResList *rlist; XawActionVarList *vlist; XawParseBooleanProc parse_proc; XEvent *event; char *cp, *lp; int token; Bool value; } XawEvalInfo; /* resources */ typedef struct _XawActionRes { XrmQuark qname; XrmQuark qtype; Cardinal size; } XawActionRes; struct _XawActionResList { WidgetClass widget_class; XawActionRes **resources; Cardinal num_common_resources; Cardinal num_constraint_resources; }; /* variables */ typedef struct _XawActionVar { XrmQuark qname; XrmQuark qvalue; } XawActionVar; struct _XawActionVarList { Widget widget; Cardinal num_variables; XawActionVar **variables; }; /* * Private methods */ /* expressions */ static int get_token(XawEvalInfo*); static Bool expr(XawEvalInfo*); static Bool and(XawEvalInfo*); static Bool prim(XawEvalInfo*); /* resources */ static String XawConvertActionRes(XawActionResList*, Widget w, String); static char * _XawEscapeActionVarValue(String); static char * _XawUnescapeActionVarValue(String); static XawActionResList *_XawCreateActionResList(WidgetClass); static XawActionResList *_XawFindActionResList(WidgetClass); static void _XawBindActionResList(XawActionResList*); static XawActionRes *_XawFindActionRes(XawActionResList*, Widget, String); static int qcmp_action_resource_list(_Xconst void*, _Xconst void*); static int bcmp_action_resource_list(_Xconst void*, _Xconst void*); static int qcmp_action_resource(_Xconst void*, _Xconst void*); static int bcmp_action_resource(_Xconst void*, _Xconst void*); /* variables */ static String XawConvertActionVar(XawActionVarList*, String); static void XawDeclareActionVar(XawActionVarList*, String, String); static XawActionVarList *_XawCreateActionVarList(Widget); static XawActionVarList *_XawFindActionVarList(Widget); static XawActionVar *_XawCreateActionVar(XawActionVarList*, String); static XawActionVar *_XawFindActionVar(XawActionVarList*, String); static void _XawDestroyActionVarList(Widget, XtPointer, XtPointer); /* * Initialization */ /* resources */ static XawActionResList **resource_list; static Cardinal num_resource_list; /* variables */ static XawActionVarList **variable_list; static Cardinal num_variable_list; /* * Implementation */ /* * Start of Boolean Expression Evaluation Implementation Code */ Bool XawParseBoolean(Widget w, String param, XEvent *event, Bool *succeed) { if (!param) return (False); else { char *tmp = (char *)param; double dd = strtod(param, &tmp); int value = (int) dd; if (*tmp == '\0') return (value); } if (XmuCompareISOLatin1(param, "true") == 0 || XmuCompareISOLatin1(param, "yes") == 0 || XmuCompareISOLatin1(param, "on") == 0 || XmuCompareISOLatin1(param, "in") == 0 || XmuCompareISOLatin1(param, "up") == 0) return (True); else if (XmuCompareISOLatin1(param, "false") == 0 || XmuCompareISOLatin1(param, "no") == 0 || XmuCompareISOLatin1(param, "off") == 0 || XmuCompareISOLatin1(param, "out") == 0 || XmuCompareISOLatin1(param, "down") == 0) ; else if (XmuCompareISOLatin1(param, "my") == 0 || XmuCompareISOLatin1(param, "mine") == 0) return (event->xany.window == XtWindow(w)); else if (XmuCompareISOLatin1(param, "faked") == 0) return (event->xany.send_event != 0); else *succeed = False; return (False); } Bool XawBooleanExpression(Widget w, String param, XEvent *event) { XawEvalInfo info; if (!param) return (False); info.widget = w; info.rlist = XawGetActionResList(XtClass(w)); info.vlist = XawGetActionVarList(w); /* * Verify widget class, in case we will allow the parse proc procedure * as a widget class element, or if we allow overriding the default * parse boolean proc. */ info.parse_proc = XawParseBoolean; info.event = event; info.cp = info.lp = (char *)param; #ifdef DIAGNOSTIC fprintf(stderr, "(*) Parsing expression \"%s\"\n", param); #endif (void)get_token(&info); if (info.token == ERROR) return (False); else { Bool retval = expr(&info); return (info.token != ERROR ? retval : False); } } static int get_token(XawEvalInfo *info) { int ch; info->lp = info->cp; /*COSTCOND*/ while (1) /* eat white spaces */ { ch = *info->cp++; if (isspace(ch)) continue; break; } switch (ch) { case AND: case OR: case XOR: case NOT: case LP: case RP: return (info->token = ch); } /* It's a symbol name, resolve it. */ if (ch == XAW_PRIV_VAR_PREFIX || isalnum(ch) || ch == '_' || ch == '\\') { Bool succeed = True; char *p = info->cp - 1; char name[256]; while ((ch = *info->cp) && (isalnum(ch) || ch == '_')) ++info->cp; strncpy(name, p, XawMin((int)sizeof(name) - 1, (unsigned)(info->cp - p))); name[XawMin((int)sizeof(name) -1, info->cp - p)] = '\0'; if (name[0] == XAW_PRIV_VAR_PREFIX) { String value = XawConvertActionVar(info->vlist, name); info->value = info->parse_proc(info->widget, value, info->event, &succeed) & 1; } else { info->value = info->parse_proc(info->widget, name, info->event, &succeed) & 1; if (!succeed) { String value = XawConvertActionRes(info->rlist, info->widget, name[0] == '\\' ? &name[1] : name); /* '\\' may have been used to escape a resource name. */ succeed = True; info->value = info->parse_proc(info->widget, value, info->event, &succeed) & 1; if (!succeed) { /* not a numeric value or boolean string */ info->value = True; succeed = True; } } } if (succeed) return (info->token = BOOLEAN); } else if (ch == '\0') return (info->token = END); { char msg[256]; snprintf(msg, sizeof(msg), "evaluate(): bad token \"%c\" at \"%s\"", ch, info->cp - 1); XtAppWarning(XtWidgetToApplicationContext(info->widget), msg); } return (info->token = ERROR); } static Bool expr(XawEvalInfo *info) { Bool left = and(info); for (;;) switch (info->token) { case OR: (void)get_token(info); left |= and(info); break; case XOR: (void)get_token(info); left ^= and(info); break; default: return (left); } /* NOTREACHED */ } static Bool and(XawEvalInfo *info) { Bool left = prim(info); for (;;) switch (info->token) { case AND: (void)get_token(info); left &= prim(info); break; default: return (left); } /* NOTREACHED */ } static Bool prim(XawEvalInfo *info) { Bool e; switch (info->token) { case BOOLEAN: e = info->value; (void)get_token(info); return (e); case NOT: (void)get_token(info); return (!prim(info)); case LP: (void)get_token(info); e = expr(info); if (info->token != RP) { char msg[256]; info->token = ERROR; snprintf(msg, sizeof(msg), "evaluate(): expecting ), at \"%s\"", info->lp); XtAppWarning(XtWidgetToApplicationContext(info->widget), msg); return (False); } (void)get_token(info); return (e); case END: return (True); default: { char msg[256]; info->token = ERROR; snprintf(msg, sizeof(msg), "evaluate(): syntax error, at \"%s\"", info->lp); XtAppWarning(XtWidgetToApplicationContext(info->widget), msg); } return (False); } /* NOTREACHED */ } /* * Start of Resources Implementation Code */ void XawSetValuesAction(Widget w, XEvent *event, String *params, Cardinal *num_params) { Arg *arglist; Cardinal num_args, count; XawActionResList *rlist; XawActionVarList *vlist; XawActionRes *resource; XrmValue from, to; String value; char c_1; short c_2; int c_4; #ifdef LONG64 long c_8; #endif unsigned use_size; if (!(*num_params & 1)) { XawPrintActionErrorMsg("set-values", w, params, num_params); return; } if (!XawBooleanExpression(w, params[0], event)) return; rlist = XawGetActionResList(XtClass(w)); vlist = XawGetActionVarList(w); num_args = 0; arglist = (Arg *)XtMalloc((Cardinal)sizeof(Arg) * ((*num_params) >> 1)); for (count = 1; count < *num_params; count += 2) { if ((resource = _XawFindActionRes(rlist, w, params[count])) == NULL) { char msg[256]; snprintf(msg, sizeof(msg), "set-values(): bad resource name \"%s\"", params[count]); XtAppWarning(XtWidgetToApplicationContext(w), msg); continue; } value = XawConvertActionVar(vlist, params[count + 1]); from.size = (Cardinal) strlen(value) + 1; from.addr = (char *)value; to.size = resource->size; use_size = resource->size; switch (use_size) { case 1: to.addr = (XPointer)&c_1; c_1 = 0; break; case 2: to.addr = (XPointer)&c_2; c_2 = 0; break; case 4: to.addr = (XPointer)&c_4; c_4 = 0; break; #ifdef LONG64 case 8: to.addr = (XPointer)&c_8; c_8 = 0; break; #endif default: { char msg[256]; snprintf(msg, sizeof(msg), "set-values(): bad resource size for \"%s\"", params[count]); XtAppWarning(XtWidgetToApplicationContext(w), msg); } continue; } if (strcmp(XtRString, XrmQuarkToString(resource->qtype)) == 0) #ifdef LONG64 c_8 = (long)from.addr; #else c_4 = (int)from.addr; #endif else if (!XtConvertAndStore(w, XtRString, &from, XrmQuarkToString(resource->qtype), &to) || to.size != use_size) continue; switch (use_size) { case 1: XtSetArg(arglist[num_args], XrmQuarkToString(resource->qname), c_1); break; case 2: XtSetArg(arglist[num_args], XrmQuarkToString(resource->qname), c_2); break; case 4: XtSetArg(arglist[num_args], XrmQuarkToString(resource->qname), c_4); break; #ifdef LONG64 case 8: XtSetArg(arglist[num_args], XrmQuarkToString(resource->qname), c_8); break; #endif } ++num_args; } XtSetValues(w, arglist, num_args); XtFree((char *)arglist); } void XawGetValuesAction(Widget w, XEvent *event, String *params, Cardinal *num_params) { XawActionResList *rlist; XawActionVarList *vlist; Cardinal count; if (!(*num_params & 1)) { XawPrintActionErrorMsg("get-values", w, params, num_params); return; } if (!XawBooleanExpression(w, params[0], event)) return; rlist = XawGetActionResList(XtClass(w)); vlist = XawGetActionVarList(w); for (count = 1; count < *num_params; count += 2) { String value = XawConvertActionRes(rlist, w, params[count + 1]); if (value == NULL) continue; XawDeclareActionVar(vlist, params[count], value); } } void XawDeclareAction(Widget w, XEvent *event, String *params, Cardinal *num_params) { XawActionVarList *vlist; Cardinal count; if (!(*num_params & 1)) { XawPrintActionErrorMsg("declare", w, params, num_params); return; } if (!XawBooleanExpression(w, params[0], event)) return; vlist = XawGetActionVarList(w); for (count = 1; count < *num_params; count += 2) XawDeclareActionVar(vlist, params[count], params[count + 1]); } void XawCallProcAction(Widget w, XEvent *event, String *params, Cardinal *num_params) { String *args; Cardinal num_args; if (*num_params < 2) { XawPrintActionErrorMsg("call-proc", w, params, num_params); return; } if (*num_params && !XawBooleanExpression(w, params[0], event)) return; if (*num_params > 2) { args = ¶ms[2]; num_args = *num_params - 2; } else { args = NULL; num_args = 0; } XtCallActionProc(w, params[1], event, args, num_args); } static String XawConvertActionRes(XawActionResList *list, Widget w, String name) { XawActionRes *resource; XrmValue from, to; Arg arg; char c_1; short c_2; int c_4; #ifdef LONG64 long c_8; #endif if ((resource = _XawFindActionRes(list, w, name)) == NULL) { char msg[256]; snprintf(msg, sizeof(msg), "convert(): bad resource name \"%s\"", name); XtAppWarning(XtWidgetToApplicationContext(w), msg); return (NULL); } from.size = resource->size; switch (from.size) { case 1: XtSetArg(arg, XrmQuarkToString(resource->qname), from.addr = (XPointer)&c_1); break; case 2: XtSetArg(arg, XrmQuarkToString(resource->qname), from.addr = (XPointer)&c_2); break; case 4: XtSetArg(arg, XrmQuarkToString(resource->qname), from.addr = (XPointer)&c_4); break; #ifdef LONG64 case 8: XtSetArg(arg, XrmQuarkToString(resource->qname), from.addr = (XPointer)&c_8); break; #endif default: { char msg[256]; snprintf(msg, sizeof(msg), "convert(): bad resource size for \"%s\"", name); XtAppWarning(XtWidgetToApplicationContext(w), name); } return (NULL); } XtGetValues(w, &arg, 1); to.size = sizeof(String); to.addr = NULL; if (strcmp(XtRString, XrmQuarkToString(resource->qtype)) == 0) to.addr = *(char **)from.addr; else if (!XtConvertAndStore(w, XrmQuarkToString(resource->qtype), &from, XtRString, &to)) return (NULL); return ((String)to.addr); } void XawPrintActionErrorMsg(String action_name, Widget w, String *params, Cardinal *num_params) { char msg[1024]; unsigned int size, idx; size = (unsigned)snprintf(msg, sizeof(msg), "%s(): bad number of parameters.\n\t(", action_name); idx = 0; while (idx < *num_params - 1 && size < sizeof(msg)) size += (unsigned)snprintf(&msg[size], sizeof(msg) - size, "%s, ", params[idx++]); if (*num_params) snprintf(&msg[size], sizeof(msg) - size, "%s)", params[idx]); else snprintf(&msg[size], sizeof(msg) - size, ")"); XtAppWarning(XtWidgetToApplicationContext(w), msg); } XawActionResList * XawGetActionResList(WidgetClass wc) { XawActionResList *list; list = _XawFindActionResList(wc); if (!list) list = _XawCreateActionResList(wc); return (list); } static int qcmp_action_resource_list(register _Xconst void *left, register _Xconst void *right) { return (int)((char *)((*(XawActionResList **)left)->widget_class) - (char *)((*(XawActionResList **)right)->widget_class)); } static XawActionResList * _XawCreateActionResList(WidgetClass wc) { XawActionResList *list; list = (XawActionResList *)XtMalloc((Cardinal)sizeof(XawActionResList)); list->widget_class = wc; list->num_common_resources = list->num_constraint_resources = 0; list->resources = NULL; if (!resource_list) { num_resource_list = 1; resource_list = (XawActionResList **)XtMalloc((Cardinal)sizeof(XawActionResList*)); resource_list[0] = list; } else { ++num_resource_list; resource_list = (XawActionResList **)XtRealloc((char *)resource_list, (Cardinal) sizeof(XawActionResList*) * num_resource_list); resource_list[num_resource_list - 1] = list; qsort(resource_list, num_resource_list, sizeof(XawActionResList*), qcmp_action_resource_list); } _XawBindActionResList(list); return (list); } static int bcmp_action_resource_list(register _Xconst void *wc, register _Xconst void *list) { return (int)((char *)wc - (char *)((*(XawActionResList **)list)->widget_class)); } static XawActionResList * _XawFindActionResList(WidgetClass wc) { XawActionResList **list; if (!resource_list) return (NULL); list = (XawActionResList **)bsearch(wc, resource_list, num_resource_list, sizeof(XawActionResList*), bcmp_action_resource_list); return (list ? *list : NULL); } static int qcmp_action_resource(register _Xconst void *left, register _Xconst void *right) { return (strcmp(XrmQuarkToString((*(XawActionRes **)left)->qname), XrmQuarkToString((*(XawActionRes **)right)->qname))); } static void _XawBindActionResList(XawActionResList *list) { XtResourceList xt_list, cons_list; Cardinal i, num_xt, num_cons; #ifdef DIAGNOSTIC fprintf(stderr, "(*) Creating resource list for class \'%s\'\n---------\n", list->widget_class->core_class.class_name); #endif XtGetResourceList(list->widget_class, &xt_list, &num_xt); XtGetConstraintResourceList(list->widget_class, &cons_list, &num_cons); list->num_common_resources = num_xt; list->num_constraint_resources = num_cons; list->resources = (XawActionRes **) XtMalloc((Cardinal)sizeof(XawActionRes*) * (num_xt + num_cons)); #ifdef DIAGNOSTIC fprintf(stderr, "Common resources\n---\n"); #endif for (i = 0; i < num_xt; i++) { list->resources[i] = (XawActionRes *)XtMalloc((Cardinal)sizeof(XawActionRes)); list->resources[i]->qname = XrmPermStringToQuark(xt_list[i].resource_name); list->resources[i]->qtype = XrmPermStringToQuark(xt_list[i].resource_type); list->resources[i]->size = xt_list[i].resource_size; #ifdef DIAGNOSTIC fprintf(stderr, "%-20s\t%-20s\t(%d)\n", xt_list[i].resource_name, xt_list[i].resource_type, xt_list[i].resource_size); #endif } #ifdef DIAGNOSTIC fprintf(stderr, "---\nContraint resources\n---"); #endif for (; i < num_xt + num_cons; i++) { list->resources[i] = (XawActionRes *)XtMalloc((Cardinal)sizeof(XawActionRes)); list->resources[i]->qname = XrmPermStringToQuark(cons_list[i - num_xt].resource_name); list->resources[i]->qtype = XrmPermStringToQuark(cons_list[i - num_xt].resource_type); list->resources[i]->size = cons_list[i - num_xt].resource_size; #ifdef DIAGNOSTIC fprintf(stderr, "%-20s\t%-20s\t(%d)\n", cons_list[i - num_xt].resource_name, cons_list[i - num_xt].resource_type, cons_list[i - num_xt].resource_size); #endif } #ifdef DIAGNOSTIC fprintf(stderr, "---\n"); #endif XtFree((char *)xt_list); if (cons_list) XtFree((char *)cons_list); qsort(list->resources, list->num_common_resources, sizeof(XawActionRes*), qcmp_action_resource); if (num_cons) qsort(&list->resources[num_xt], list->num_constraint_resources, sizeof(XawActionRes*), qcmp_action_resource); } static int bcmp_action_resource(register _Xconst void *string, register _Xconst void *resource) { return (strcmp((String)string, XrmQuarkToString((*(XawActionRes **)resource)->qname))); } static XawActionRes * _XawFindActionRes(XawActionResList *list, Widget detail, String name) { XawActionRes **res; if (!list->resources) return (NULL); res = (XawActionRes **)bsearch(name, list->resources, list->num_common_resources, sizeof(XawActionRes*), bcmp_action_resource); if (!res && XtParent(detail) && XtIsSubclass(XtParent(detail), constraintWidgetClass)) { XawActionResList *cons = XawGetActionResList(XtClass(XtParent(detail))); if (cons) res = (XawActionRes **) bsearch(name, &cons->resources[cons->num_common_resources], cons->num_constraint_resources, sizeof(XawActionRes*), bcmp_action_resource); } return (res ? *res : NULL); } /* * Start of Variables Implementation Code */ /* For speed, only does memory allocation when really required */ static char * _XawEscapeActionVarValue(String value) { if (value[0] == '$' || value[0] == '\\') { char *escape = XtMalloc((Cardinal)strlen(value) + 2); escape[0] = '\\'; strcpy(escape + 1, value); return (escape); } return (NULL); } /* For speed, only does memory allocation when really required */ static char * _XawUnescapeActionVarValue(String value) { if (value[0] == '\\') { char *unescape = XtMalloc((Cardinal)strlen(value)); strcpy(unescape, value + 1); return (unescape); } return (NULL); } static void XawDeclareActionVar(XawActionVarList *list, String name, String value) { XawActionVar *variable; char * escape = NULL; if (name[0] != XAW_PRIV_VAR_PREFIX) { char msg[256]; snprintf(msg, sizeof(msg), "declare(): variable name must begin with \'%c\', at %s = %s", XAW_PRIV_VAR_PREFIX, name, value); XtAppWarning(XtWidgetToApplicationContext(list->widget), msg); return; } variable = _XawFindActionVar(list, name); if (!variable) variable = _XawCreateActionVar(list, name); if (value) escape = _XawEscapeActionVarValue(value); if (variable->qvalue) { String val = escape ? escape : value; if (val != NULL && strcmp(XrmQuarkToString(variable->qvalue), val) == 0) { if (escape) XtFree(escape); return; } } variable->qvalue = (escape ? XrmStringToQuark(escape) : (value ? XrmStringToQuark(value) : NULLQUARK)); if (escape) XtFree(escape); } static String XawConvertActionVar(XawActionVarList *list, String name) { XawActionVar *variable; char * unescape; XrmQuark quark; if (name[0] != XAW_PRIV_VAR_PREFIX) return (name); variable = _XawFindActionVar(list, name); if (!variable || variable->qvalue == NULLQUARK) return (name); unescape = _XawUnescapeActionVarValue(XrmQuarkToString(variable->qvalue)); if (unescape) { quark = XrmStringToQuark(unescape); XtFree(unescape); } else quark = variable->qvalue; return (XrmQuarkToString(quark)); } XawActionVarList * XawGetActionVarList(Widget w) { XawActionVarList *list; list = _XawFindActionVarList(w); if (!list) list = _XawCreateActionVarList(w); return (list); } static int qcmp_action_variable_list(register _Xconst void *left, register _Xconst void *right) { return (int)((char *)((*(XawActionVarList **)left)->widget) - (char *)((*(XawActionVarList **)right)->widget)); } static XawActionVarList * _XawCreateActionVarList(Widget w) { XawActionVarList *list; #ifdef DIAGNOSTIC fprintf(stderr, "(*) Creating action variable list for widget %s (%p)\n", XtName(w), w); #endif list = (XawActionVarList *)XtMalloc((Cardinal)sizeof(XawActionVarList)); list->widget = w; list->num_variables = 0; list->variables = NULL; if (!variable_list) { num_variable_list = 1; variable_list = (XawActionVarList **)XtMalloc((Cardinal)sizeof(XawActionVarList*)); variable_list[0] = list; } else { ++num_variable_list; variable_list = (XawActionVarList **) XtRealloc((char *)variable_list, (Cardinal)sizeof(XawActionVarList *) * num_variable_list); variable_list[num_variable_list - 1] = list; qsort(variable_list, num_variable_list, sizeof(XawActionVarList*), qcmp_action_variable_list); } XtAddCallback(w, XtNdestroyCallback, _XawDestroyActionVarList, (XtPointer)list); return (list); } static int bcmp_action_variable_list(register _Xconst void *widget, register _Xconst void *list) { return (int)((char *)widget - (char *)((*(XawActionVarList **)list)->widget)); } static XawActionVarList * _XawFindActionVarList(Widget w) { XawActionVarList **list; if (!num_variable_list) return (NULL); list = (XawActionVarList **)bsearch(w, variable_list, num_variable_list, sizeof(XawActionVarList*), bcmp_action_variable_list); return (list ? *list : NULL); } static int qcmp_action_variable(register _Xconst void *left, register _Xconst void *right) { return (strcmp(XrmQuarkToString((*(XawActionVar **)left)->qname), XrmQuarkToString((*(XawActionVar **)right)->qname))); } static XawActionVar * _XawCreateActionVar(XawActionVarList *list, String name) { XawActionVar *variable; #ifdef DIAGNOSTIC fprintf(stderr, "(*) Creating action variable '%s' for widget %s (%p)\n", name, XtName(list->widget), list->widget); #endif variable = (XawActionVar *)XtMalloc((Cardinal)sizeof(XawActionVar)); variable->qname = XrmStringToQuark(name); variable->qvalue = NULLQUARK; if (!list->variables) { list->num_variables = 1; list->variables = (XawActionVar **)XtMalloc((Cardinal)sizeof(XawActionVar*)); list->variables[0] = variable; } else { ++list->num_variables; list->variables = (XawActionVar **)XtRealloc((char *)list->variables, (Cardinal) sizeof(XawActionVar *) * list->num_variables); list->variables[list->num_variables - 1] = variable; qsort(list->variables, list->num_variables, sizeof(XawActionVar*), qcmp_action_variable); } return (variable); } static int bcmp_action_variable(register _Xconst void *string, register _Xconst void *variable) { return (strcmp((String)string, XrmQuarkToString((*(XawActionVar **)variable)->qname))); } static XawActionVar * _XawFindActionVar(XawActionVarList *list, String name) { XawActionVar **var; if (!list->variables) return (NULL); var = (XawActionVar **)bsearch(name, list->variables, list->num_variables, sizeof(XawActionVar*), bcmp_action_variable); return (var ? *var : NULL); } /*ARGSUSED*/ static void _XawDestroyActionVarList(Widget w, XtPointer client_data, XtPointer call_data _X_UNUSED) { XawActionVarList *list = (XawActionVarList *)client_data; Cardinal i; for (i = 0; i < num_variable_list; i++) if (variable_list[i] == list) break; if (i >= num_variable_list || list->widget != w || variable_list[i]->widget != w) { XtWarning("destroy-variable-list(): Bad widget argument."); return; } if (--num_variable_list > 0) { memmove(&variable_list[i], &variable_list[i + 1], (num_variable_list - i) * sizeof(XawActionVarList *)); variable_list = (XawActionVarList **) XtRealloc((char *)variable_list, (Cardinal) sizeof(XawActionVarList *) * num_variable_list); } else { XtFree((char *)variable_list); variable_list = NULL; } XtFree((char *)list->variables); XtFree((char *)list); } #endif /* OLDXAW */