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      1 /*
      2 
      3 Copyright (c) 1993, Oracle and/or its affiliates.
      4 
      5 Permission is hereby granted, free of charge, to any person obtaining a
      6 copy of this software and associated documentation files (the "Software"),
      7 to deal in the Software without restriction, including without limitation
      8 the rights to use, copy, modify, merge, publish, distribute, sublicense,
      9 and/or sell copies of the Software, and to permit persons to whom the
     10 Software is furnished to do so, subject to the following conditions:
     11 
     12 The above copyright notice and this permission notice (including the next
     13 paragraph) shall be included in all copies or substantial portions of the
     14 Software.
     15 
     16 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     17 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     18 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     19 THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     20 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     21 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
     22 DEALINGS IN THE SOFTWARE.
     23 
     24 */
     25 
     26 /*
     27 
     28 Copyright 1885, 1986, 1987, 1988, 1989, 1994, 1998  The Open Group
     29 
     30 Permission to use, copy, modify, distribute, and sell this software and its
     31 documentation for any purpose is hereby granted without fee, provided that
     32 the above copyright notice appear in all copies and that both that
     33 copyright notice and this permission notice appear in supporting
     34 documentation.
     35 
     36 The above copyright notice and this permission notice shall be included in
     37 all copies or substantial portions of the Software.
     38 
     39 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     40 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     41 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
     42 OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
     43 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
     44 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     45 
     46 Except as contained in this notice, the name of The Open Group shall not be
     47 used in advertising or otherwise to promote the sale, use or other dealings
     48 in this Software without prior written authorization from The Open Group.
     49 
     50 */
     51 
     52 #ifdef HAVE_CONFIG_H
     53 #include <config.h>
     54 #endif
     55 #include "IntrinsicI.h"
     56 #include "StringDefs.h"
     57 #include "Shell.h"
     58 #include "VarargsI.h"
     59 #include "CreateI.h"
     60 
     61 static Widget
     62 _XtVaCreateWidget(String name,
     63                   WidgetClass widget_class,
     64                   Widget parent,
     65                   va_list var,
     66                   int count)
     67 {
     68     register Widget widget;
     69     XtTypedArgList typed_args = NULL;
     70     Cardinal num_args;
     71 
     72     _XtVaToTypedArgList(var, count, &typed_args, &num_args);
     73 
     74     widget = _XtCreateWidget(name, widget_class, parent, (ArgList) NULL,
     75                              (Cardinal) 0, typed_args, num_args);
     76 
     77     XtFree((XtPointer) typed_args);
     78 
     79     return widget;
     80 }
     81 
     82 Widget
     83 XtVaCreateWidget(_Xconst char *name,
     84                  WidgetClass widget_class,
     85                  Widget parent,
     86                  ...)
     87 {
     88     va_list var;
     89     register Widget widget;
     90     int total_count, typed_count;
     91 
     92     WIDGET_TO_APPCON(parent);
     93 
     94     LOCK_APP(app);
     95     va_start(var, parent);
     96     _XtCountVaList(var, &total_count, &typed_count);
     97     va_end(var);
     98 
     99     va_start(var, parent);
    100     widget = _XtVaCreateWidget((String) name, widget_class, parent, var,
    101                                total_count);
    102     va_end(var);
    103     UNLOCK_APP(app);
    104     return widget;
    105 }
    106 
    107 Widget
    108 XtVaCreateManagedWidget(_Xconst char *name,
    109                         WidgetClass widget_class,
    110                         Widget parent,
    111                         ...)
    112 {
    113     va_list var;
    114     register Widget widget;
    115     int total_count, typed_count;
    116 
    117     WIDGET_TO_APPCON(parent);
    118 
    119     LOCK_APP(app);
    120     va_start(var, parent);
    121     _XtCountVaList(var, &total_count, &typed_count);
    122     va_end(var);
    123 
    124     va_start(var, parent);
    125     widget = _XtVaCreateWidget((String) name, widget_class, parent, var,
    126                                total_count);
    127     XtManageChild(widget);
    128     va_end(var);
    129     UNLOCK_APP(app);
    130     return widget;
    131 }
    132 
    133 Widget
    134 XtVaAppCreateShell(_Xconst char *name,
    135                    _Xconst char *class,
    136                    WidgetClass widget_class,
    137                    Display *display,
    138                    ...)
    139 {
    140     va_list var;
    141     register Widget widget;
    142     XtTypedArgList typed_args = NULL;
    143     Cardinal num_args;
    144     int total_count, typed_count;
    145     DPY_TO_APPCON(display);
    146 
    147     LOCK_APP(app);
    148     va_start(var, display);
    149 
    150     _XtCountVaList(var, &total_count, &typed_count);
    151     va_end(var);
    152 
    153     va_start(var, display);
    154 
    155     _XtVaToTypedArgList(var, total_count, &typed_args, &num_args);
    156     widget = _XtAppCreateShell((String) name, (String) class, widget_class,
    157                                display, (ArgList) NULL, (Cardinal) 0,
    158                                typed_args, num_args);
    159 
    160     XtFree((XtPointer) typed_args);
    161 
    162     va_end(var);
    163     UNLOCK_APP(app);
    164     return widget;
    165 }
    166 
    167 Widget
    168 XtVaCreatePopupShell(_Xconst char *name,
    169                      WidgetClass widget_class,
    170                      Widget parent,
    171                      ...)
    172 {
    173     va_list var;
    174     register Widget widget;
    175     XtTypedArgList typed_args = NULL;
    176     Cardinal num_args;
    177     int total_count, typed_count;
    178 
    179     WIDGET_TO_APPCON(parent);
    180 
    181     LOCK_APP(app);
    182     va_start(var, parent);
    183     _XtCountVaList(var, &total_count, &typed_count);
    184     va_end(var);
    185 
    186     va_start(var, parent);
    187 
    188     _XtVaToTypedArgList(var, total_count, &typed_args, &num_args);
    189     widget = _XtCreatePopupShell((String) name, widget_class, parent,
    190                                  (ArgList) NULL, (Cardinal) 0, typed_args,
    191                                  num_args);
    192 
    193     XtFree((XtPointer) typed_args);
    194 
    195     va_end(var);
    196     UNLOCK_APP(app);
    197     return widget;
    198 }
    199 
    200 void
    201 XtVaSetValues(Widget widget, ...)
    202 {
    203     va_list var;
    204     ArgList args = NULL;
    205     Cardinal num_args;
    206     int total_count, typed_count;
    207 
    208     WIDGET_TO_APPCON(widget);
    209 
    210     LOCK_APP(app);
    211     va_start(var, widget);
    212     _XtCountVaList(var, &total_count, &typed_count);
    213     va_end(var);
    214 
    215     va_start(var, widget);
    216 
    217     _XtVaToArgList(widget, var, total_count, &args, &num_args);
    218     XtSetValues(widget, args, num_args);
    219     _XtFreeArgList(args, total_count, typed_count);
    220 
    221     UNLOCK_APP(app);
    222     va_end(var);
    223 }
    224 
    225 void
    226 XtVaSetSubvalues(XtPointer base,
    227                  XtResourceList resources,
    228                  Cardinal num_resources,
    229                  ...)
    230 {
    231     va_list var;
    232     ArgList args;
    233     Cardinal num_args;
    234     int total_count, typed_count;
    235 
    236     va_start(var, num_resources);
    237     _XtCountVaList(var, &total_count, &typed_count);
    238     va_end(var);
    239 
    240     if (typed_count != 0) {
    241         XtWarning("XtVaTypedArg is not valid in XtVaSetSubvalues()\n");
    242     }
    243 
    244     va_start(var, num_resources);
    245     _XtVaToArgList((Widget) NULL, var, total_count, &args, &num_args);
    246 
    247     XtSetSubvalues(base, resources, num_resources, args, num_args);
    248 
    249     XtFree((XtPointer) args);
    250 
    251     va_end(var);
    252 }
    253 
    254 Widget
    255 _XtVaOpenApplication(XtAppContext *app_context_return,
    256                      _Xconst char *application_class,
    257                      XrmOptionDescList options,
    258                      Cardinal num_options,
    259                      int *argc_in_out,
    260                      _XtString *argv_in_out,
    261                      String *fallback_resources,
    262                      WidgetClass widget_class,
    263                      va_list var_args)
    264 {
    265     XtAppContext app_con;
    266     Display *dpy;
    267     register int saved_argc = *argc_in_out;
    268     Widget root;
    269     String attr;
    270     int count = 0;
    271     XtTypedArgList typed_args;
    272 
    273     XtToolkitInitialize();      /* cannot be moved into _XtAppInit */
    274 
    275     dpy = _XtAppInit(&app_con, (String) application_class, options, num_options,
    276                      argc_in_out, &argv_in_out, fallback_resources);
    277 
    278     typed_args = (XtTypedArgList) __XtMalloc((unsigned) sizeof(XtTypedArg));
    279     attr = va_arg(var_args, String);
    280     for (; attr != NULL; attr = va_arg(var_args, String)) {
    281         if (strcmp(attr, XtVaTypedArg) == 0) {
    282             typed_args[count].name = va_arg(var_args, String);
    283             typed_args[count].type = va_arg(var_args, String);
    284             typed_args[count].value = va_arg(var_args, XtArgVal);
    285             typed_args[count].size = va_arg(var_args, int);
    286         }
    287         else {
    288             typed_args[count].name = attr;
    289             typed_args[count].type = NULL;
    290             typed_args[count].value = va_arg(var_args, XtArgVal);
    291             typed_args[count].size = 0;
    292         }
    293         count++;
    294         typed_args = XtReallocArray(typed_args, (Cardinal) count + 1,
    295                                     (Cardinal) sizeof(XtTypedArg));
    296     }
    297     typed_args[count].name = NULL;
    298 
    299     va_end(var_args);
    300 
    301     root =
    302         XtVaAppCreateShell(NULL, application_class,
    303                            widget_class, dpy,
    304                            XtNscreen, (XtArgVal) DefaultScreenOfDisplay(dpy),
    305                            XtNargc, (XtArgVal) saved_argc,
    306                            XtNargv, (XtArgVal) argv_in_out,
    307                            XtVaNestedList, (XtVarArgsList) typed_args, NULL);
    308 
    309     if (app_context_return != NULL)
    310         *app_context_return = app_con;
    311 
    312     XtFree((XtPointer) typed_args);
    313     XtFree((XtPointer) argv_in_out);
    314     return (root);
    315 }
    316 
    317 Widget
    318 _XtVaAppInitialize(XtAppContext *app_context_return,
    319                    _Xconst char *application_class,
    320                    XrmOptionDescList options,
    321                    Cardinal num_options,
    322                    int *argc_in_out,
    323                    _XtString *argv_in_out,
    324                    String *fallback_resources,
    325                    va_list var_args)
    326 {
    327     return _XtVaOpenApplication(app_context_return, application_class,
    328                                 options, num_options,
    329                                 argc_in_out, argv_in_out, fallback_resources,
    330                                 applicationShellWidgetClass, var_args);
    331 }
    332 
    333 /*
    334  * If not used as a shared library, we still need a front end to
    335  * _XtVaOpenApplication and to _XtVaAppInitialize.
    336  */
    337 
    338 Widget
    339 XtVaOpenApplication(XtAppContext *app_context_return,
    340                     _Xconst char *application_class,
    341                     XrmOptionDescList options,
    342                     Cardinal num_options,
    343                     int *argc_in_out,
    344                     _XtString *argv_in_out,
    345                     String *fallback_resources,
    346                     WidgetClass widget_class,
    347                     ...)
    348 {
    349     Widget code;
    350     va_list var;
    351 
    352     va_start(var, widget_class);
    353     code = _XtVaOpenApplication(app_context_return, (String) application_class,
    354                                 options, num_options, argc_in_out, argv_in_out,
    355                                 fallback_resources, widget_class, var);
    356     va_end(var);
    357     return code;
    358 }
    359 
    360 Widget
    361 XtVaAppInitialize(XtAppContext *app_context_return,
    362                   _Xconst char *application_class,
    363                   XrmOptionDescList options,
    364                   Cardinal num_options,
    365                   int *argc_in_out,
    366                   _XtString *argv_in_out,
    367                   String *fallback_resources,
    368                   ...)
    369 {
    370     Widget code;
    371     va_list var;
    372 
    373     va_start(var, fallback_resources);
    374     code = _XtVaOpenApplication(app_context_return, (String) application_class,
    375                                 options, num_options, argc_in_out, argv_in_out,
    376                                 fallback_resources,
    377                                 applicationShellWidgetClass, var);
    378     va_end(var);
    379     return code;
    380 }
    381