1 /*********************************************************** 2 Copyright (c) 1993, Oracle and/or its affiliates. 3 4 Permission is hereby granted, free of charge, to any person obtaining a 5 copy of this software and associated documentation files (the "Software"), 6 to deal in the Software without restriction, including without limitation 7 the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 and/or sell copies of the Software, and to permit persons to whom the 9 Software is furnished to do so, subject to the following conditions: 10 11 The above copyright notice and this permission notice (including the next 12 paragraph) shall be included in all copies or substantial portions of the 13 Software. 14 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 20 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 21 DEALINGS IN THE SOFTWARE. 22 23 Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts. 24 25 All Rights Reserved 26 27 Permission to use, copy, modify, and distribute this software and its 28 documentation for any purpose and without fee is hereby granted, 29 provided that the above copyright notice appear in all copies and that 30 both that copyright notice and this permission notice appear in 31 supporting documentation, and that the name of Digital not be 32 used in advertising or publicity pertaining to distribution of the 33 software without specific, written prior permission. 34 35 DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING 36 ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL 37 DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR 38 ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, 39 WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, 40 ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS 41 SOFTWARE. 42 43 ******************************************************************/ 44 45 /* 46 47 Copyright 1987, 1988, 1998 The Open Group 48 49 Permission to use, copy, modify, distribute, and sell this software and its 50 documentation for any purpose is hereby granted without fee, provided that 51 the above copyright notice appear in all copies and that both that 52 copyright notice and this permission notice appear in supporting 53 documentation. 54 55 The above copyright notice and this permission notice shall be included in 56 all copies or substantial portions of the Software. 57 58 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 59 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 60 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 61 OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN 62 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 63 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 64 65 Except as contained in this notice, the name of The Open Group shall not be 66 used in advertising or otherwise to promote the sale, use or other dealings 67 in this Software without prior written authorization from The Open Group. 68 69 */ 70 71 #ifdef HAVE_CONFIG_H 72 #include <config.h> 73 #endif 74 #include "IntrinsicI.h" 75 #include "StringDefs.h" 76 77 static int 78 GetValues(char *const base, /* Base address to fetch values from */ 79 XrmResourceList *res, /* The current resource values. */ 80 register Cardinal num_resources, /* number of items in resources */ 81 ArgList args, /* The resource values requested */ 82 Cardinal num_args) /* number of items in arg list */ 83 { 84 register ArgList arg; 85 register Cardinal i; 86 register XrmName argName; 87 register XrmResourceList *xrmres; 88 int translation_arg_num = -1; 89 static XrmQuark QCallback = NULLQUARK; 90 static XrmQuark QTranslationTable = NULLQUARK; 91 92 LOCK_PROCESS; 93 if (QCallback == NULLQUARK) { 94 QCallback = XrmPermStringToQuark(XtRCallback); 95 QTranslationTable = XrmPermStringToQuark(XtRTranslationTable); 96 } 97 UNLOCK_PROCESS; 98 99 /* Resource lists should be in compiled form already */ 100 101 for (arg = args; num_args != 0; num_args--, arg++) { 102 argName = StringToName(arg->name); 103 for (xrmres = res, i = 0; i < num_resources; i++, xrmres++) { 104 if (argName == (*xrmres)->xrm_name) { 105 /* hack; do special cases here instead of a get_values_hook 106 * because get_values_hook looses info as to 107 * whether arg->value == NULL for ancient compatibility 108 * mode in _XtCopyToArg. It helps performance, too... 109 */ 110 if ((*xrmres)->xrm_type == QCallback) { 111 XtCallbackList callback = 112 _XtGetCallbackList((InternalCallbackList *) 113 (base - (*xrmres)->xrm_offset - 1)); 114 115 _XtCopyToArg((char *) &callback, &arg->value, 116 (*xrmres)->xrm_size); 117 } 118 else if ((*xrmres)->xrm_type == QTranslationTable) 119 translation_arg_num = (int) (arg - args); 120 else { 121 _XtCopyToArg(base - (*xrmres)->xrm_offset - 1, 122 &arg->value, (*xrmres)->xrm_size); 123 } 124 break; 125 } 126 } 127 } 128 return translation_arg_num; 129 } /* GetValues */ 130 131 static void 132 CallGetValuesHook(WidgetClass widget_class, 133 Widget w, 134 ArgList args, 135 Cardinal num_args) 136 { 137 WidgetClass superclass; 138 XtArgsProc get_values_hook; 139 140 LOCK_PROCESS; 141 superclass = widget_class->core_class.superclass; 142 UNLOCK_PROCESS; 143 if (superclass != NULL) 144 CallGetValuesHook(superclass, w, args, num_args); 145 146 LOCK_PROCESS; 147 get_values_hook = widget_class->core_class.get_values_hook; 148 UNLOCK_PROCESS; 149 if (get_values_hook != NULL) 150 (*get_values_hook) (w, args, &num_args); 151 } 152 153 static void 154 CallConstraintGetValuesHook(WidgetClass widget_class, 155 Widget w, 156 ArgList args, 157 Cardinal num_args) 158 { 159 ConstraintClassExtension ext; 160 161 LOCK_PROCESS; 162 if (widget_class->core_class.superclass->core_class. 163 class_inited & ConstraintClassFlag) { 164 CallConstraintGetValuesHook(widget_class->core_class.superclass, w, 165 args, num_args); 166 } 167 168 for (ext = (ConstraintClassExtension) ((ConstraintWidgetClass) widget_class) 169 ->constraint_class.extension; 170 ext != NULL && ext->record_type != NULLQUARK; 171 ext = (ConstraintClassExtension) ext->next_extension); 172 173 if (ext != NULL) { 174 if (ext->version == XtConstraintExtensionVersion 175 && ext->record_size == sizeof(ConstraintClassExtensionRec)) { 176 if (ext->get_values_hook != NULL) 177 (*(ext->get_values_hook)) (w, args, &num_args); 178 } 179 else { 180 String params[1]; 181 Cardinal num_params = 1; 182 183 params[0] = widget_class->core_class.class_name; 184 XtAppWarningMsg(XtWidgetToApplicationContext(w), 185 "invalidExtension", "xtCreateWidget", 186 XtCXtToolkitError, 187 "widget class %s has invalid ConstraintClassExtension record", 188 params, &num_params); 189 } 190 } 191 UNLOCK_PROCESS; 192 } 193 194 void 195 XtGetValues(register Widget w, 196 register ArgList args, 197 register Cardinal num_args) 198 { 199 WidgetClass wc; 200 int targ; 201 XtAppContext app = XtWidgetToApplicationContext(w); 202 203 if (num_args == 0) { 204 return; 205 } else if (args == NULL) { 206 XtAppErrorMsg(app, 207 "invalidArgCount", "xtGetValues", XtCXtToolkitError, 208 "Argument count > 0 on NULL argument list in XtGetValues", 209 NULL, NULL); 210 } 211 212 LOCK_APP(app); 213 wc = XtClass(w); 214 LOCK_PROCESS; 215 /* Get widget values */ 216 targ = GetValues((char *) w, (XrmResourceList *) wc->core_class.resources, 217 wc->core_class.num_resources, args, num_args); 218 UNLOCK_PROCESS; 219 if (targ != -1 && XtIsWidget(w)) { 220 XtTranslations translations = _XtGetTranslationValue(w); 221 222 _XtCopyToArg((char *) &translations, &args[targ].value, 223 sizeof(XtTranslations)); 224 } 225 226 /* Get constraint values if necessary */ 227 /* constraints may be NULL if constraint_size==0 */ 228 if (XtParent(w) != NULL && !XtIsShell(w) && XtIsConstraint(XtParent(w)) && 229 w->core.constraints) { 230 ConstraintWidgetClass cwc 231 = (ConstraintWidgetClass) XtClass(XtParent(w)); 232 LOCK_PROCESS; 233 GetValues((char *) w->core.constraints, 234 (XrmResourceList *) (cwc->constraint_class.resources), 235 cwc->constraint_class.num_resources, args, num_args); 236 UNLOCK_PROCESS; 237 } 238 /* Notify any class procedures that we have performed get_values */ 239 CallGetValuesHook(wc, w, args, num_args); 240 241 /* Notify constraint get_values if necessary */ 242 if (XtParent(w) != NULL && !XtIsShell(w) && XtIsConstraint(XtParent(w))) 243 CallConstraintGetValuesHook(XtClass(XtParent(w)), w, args, num_args); 244 UNLOCK_APP(app); 245 } /* XtGetValues */ 246 247 void 248 XtGetSubvalues(XtPointer base, /* Base address to fetch values from */ 249 XtResourceList resources,/* The current resource values. */ 250 Cardinal num_resources, /* number of items in resources */ 251 ArgList args, /* The resource values requested */ 252 Cardinal num_args) /* number of items in arg list */ 253 { 254 XrmResourceList *xrmres; 255 256 xrmres = _XtCreateIndirectionTable(resources, num_resources); 257 GetValues((char *) base, xrmres, num_resources, args, num_args); 258 XtFree((char *) xrmres); 259 } 260