462
+ − 1 /* ui-gtk.c
+ − 2 **
+ − 3 ** Description: Creating 'real' UIs from lisp.
+ − 4 **
+ − 5 ** Created by: William M. Perry <wmperry@gnu.org>
+ − 6 ** Copyright (c) 2000 William M. Perry <wmperry@gnu.org>
+ − 7 **
+ − 8 */
+ − 9
+ − 10 #include <config.h>
+ − 11 #include "lisp.h"
+ − 12 #include "buffer.h"
+ − 13 #include "console-gtk.h"
+ − 14 #include "device.h"
+ − 15 #include "window.h"
+ − 16 #include "glyphs-gtk.h"
+ − 17 #include "objects-gtk.h"
+ − 18 #include "ui-gtk.h"
+ − 19 #include "faces.h"
+ − 20 #include "gui-gtk.h"
+ − 21 #include "sysdll.h"
+ − 22 #include "hash.h"
+ − 23 #include "events.h"
+ − 24 #include "elhash.h"
778
+ − 25 #include "event-gtk.h"
462
+ − 26
+ − 27 /* XEmacs specific GTK types */
+ − 28 #include "gtk-glue.c"
+ − 29
+ − 30 Lisp_Object Qemacs_ffip;
+ − 31 Lisp_Object Qemacs_gtk_objectp;
+ − 32 Lisp_Object Qemacs_gtk_boxedp;
+ − 33 Lisp_Object Qvoid;
+ − 34 Lisp_Object Venumeration_info;
+ − 35
+ − 36 static GHashTable *dll_cache;
+ − 37
+ − 38 Lisp_Object gtk_type_to_lisp (GtkArg *arg);
+ − 39 int lisp_to_gtk_type (Lisp_Object obj, GtkArg *arg);
778
+ − 40 #if 0
462
+ − 41 void describe_gtk_arg (GtkArg *arg);
778
+ − 42 #endif
462
+ − 43 guint symbol_to_enum (Lisp_Object obj, GtkType t);
+ − 44 static guint lisp_to_flag (Lisp_Object obj, GtkType t);
+ − 45 static Lisp_Object flags_to_list (guint value, GtkType t);
+ − 46 static Lisp_Object enum_to_symbol (guint value, GtkType t);
+ − 47
+ − 48 #define NIL_OR_VOID_P(x) (NILP (x) || EQ (x, Qvoid))
+ − 49
+ − 50 static void
+ − 51 initialize_dll_cache (void)
+ − 52 {
+ − 53 if (!dll_cache)
+ − 54 {
+ − 55 dll_cache = g_hash_table_new (g_str_hash, g_str_equal);
+ − 56
+ − 57 g_hash_table_insert (dll_cache, "---XEmacs Internal Handle---", dll_open (NULL));
+ − 58 }
+ − 59 }
+ − 60
+ − 61 DEFUN ("dll-load", Fdll_load, 1, 1, 0, /*
+ − 62 Load a shared library DLL into XEmacs. No initialization routines are required.
+ − 63 This is for loading dependency DLLs into XEmacs.
+ − 64 */
+ − 65 (dll))
+ − 66 {
+ − 67 dll_handle h;
+ − 68
+ − 69 CHECK_STRING (dll);
+ − 70
+ − 71 initialize_dll_cache ();
+ − 72
+ − 73 /* If the dll name has a directory component in it, then we should
+ − 74 expand it. */
+ − 75 if (!NILP (Fstring_match (build_string ("/"), dll, Qnil, Qnil)))
+ − 76 dll = Fexpand_file_name (dll, Qnil);
+ − 77
+ − 78 /* Check if we have already opened it first */
+ − 79 h = g_hash_table_lookup (dll_cache, XSTRING_DATA (dll));
+ − 80
+ − 81 if (!h)
+ − 82 {
+ − 83 h = dll_open ((char *) XSTRING_DATA (dll));
+ − 84
+ − 85 if (h)
+ − 86 {
+ − 87 g_hash_table_insert (dll_cache, g_strdup (XSTRING_DATA (dll)), h);
+ − 88 }
+ − 89 else
+ − 90 {
563
+ − 91 signal_error (Qfile_error,
+ − 92 "dll_open error", build_string (dll_error (NULL)));
462
+ − 93 }
+ − 94 }
+ − 95 return (h ? Qt : Qnil);
+ − 96 }
+ − 97
+ − 98
+ − 99 /* Gtk object importing */
+ − 100 EXFUN (Fgtk_import_type, 1);
+ − 101
+ − 102 static struct hash_table *internal_type_hash;
+ − 103
+ − 104 static int
+ − 105 type_hash_equal(const void *arg1, const void *arg2)
+ − 106 {
+ − 107 return ((GtkType) arg1 == (GtkType) arg2);
+ − 108 }
+ − 109
+ − 110 static unsigned long
+ − 111 type_hash_hash(const void *arg)
+ − 112 {
+ − 113 return ((unsigned long) arg);
+ − 114 }
+ − 115
+ − 116 static int
+ − 117 type_already_imported_p (GtkType t)
+ − 118 {
+ − 119 void *retval = NULL;
+ − 120
+ − 121 /* These are cases that we don't need to import */
+ − 122 switch (GTK_FUNDAMENTAL_TYPE (t))
+ − 123 {
+ − 124 case GTK_TYPE_CHAR:
+ − 125 case GTK_TYPE_UCHAR:
+ − 126 case GTK_TYPE_BOOL:
+ − 127 case GTK_TYPE_INT:
+ − 128 case GTK_TYPE_UINT:
+ − 129 case GTK_TYPE_LONG:
+ − 130 case GTK_TYPE_ULONG:
+ − 131 case GTK_TYPE_FLOAT:
+ − 132 case GTK_TYPE_DOUBLE:
+ − 133 case GTK_TYPE_STRING:
+ − 134 case GTK_TYPE_BOXED:
+ − 135 case GTK_TYPE_POINTER:
+ − 136 case GTK_TYPE_SIGNAL:
+ − 137 case GTK_TYPE_ARGS:
+ − 138 case GTK_TYPE_CALLBACK:
+ − 139 case GTK_TYPE_C_CALLBACK:
+ − 140 case GTK_TYPE_FOREIGN:
+ − 141 return (1);
+ − 142 }
+ − 143
+ − 144 if (!internal_type_hash)
+ − 145 {
+ − 146 internal_type_hash = make_general_hash_table (163, type_hash_hash, type_hash_equal);
+ − 147 return (0);
+ − 148 }
+ − 149
+ − 150 if (gethash ((void *)t, internal_type_hash, (const void **)&retval))
+ − 151 {
+ − 152 return (1);
+ − 153 }
+ − 154 return (0);
+ − 155 }
+ − 156
+ − 157 static void
+ − 158 mark_type_as_imported (GtkType t)
+ − 159 {
+ − 160 if (type_already_imported_p (t))
+ − 161 return;
+ − 162
+ − 163 puthash ((void *) t, (void *) 1, internal_type_hash);
+ − 164 }
+ − 165
+ − 166 static void import_gtk_type (GtkType t);
+ − 167
+ − 168 static void
+ − 169 import_gtk_object_internal (GtkType the_type)
+ − 170 {
+ − 171 GtkType original_type = the_type;
+ − 172 int first_time = 1;
+ − 173
+ − 174 do
+ − 175 {
+ − 176 GtkArg *args;
+ − 177 guint32 *flags;
+ − 178 guint n_args;
+ − 179 guint i;
+ − 180 #if 0
+ − 181 GtkObjectClass *klass;
+ − 182 GtkSignalQuery *query;
+ − 183 guint32 *signals;
+ − 184 guint n_signals;
+ − 185 #endif
+ − 186
+ − 187 /* Register the type before we do anything else with it... */
+ − 188 if (!first_time)
+ − 189 {
+ − 190 if (!type_already_imported_p (the_type))
+ − 191 {
+ − 192 import_gtk_type (the_type);
+ − 193 }
+ − 194 }
+ − 195 else
+ − 196 {
+ − 197 /* We need to mark the object type as imported here or we
+ − 198 run the risk of SERIOUS recursion when we do automatic
+ − 199 argument type importing. mark_type_as_imported() is
+ − 200 smart enough to be a noop if we attempt to register
+ − 201 things twice. */
+ − 202 first_time = 0;
+ − 203 mark_type_as_imported (the_type);
+ − 204 }
+ − 205
+ − 206 args = gtk_object_query_args(the_type,&flags,&n_args);
+ − 207
+ − 208 /* First get the arguments the object can accept */
+ − 209 for (i = 0; i < n_args; i++)
+ − 210 {
+ − 211 if ((args[i].type != original_type) && !type_already_imported_p (args[i].type))
+ − 212 {
+ − 213 import_gtk_type (args[i].type);
+ − 214 }
+ − 215 }
+ − 216
+ − 217 g_free(args);
+ − 218 g_free(flags);
+ − 219
+ − 220 #if 0
+ − 221 /* Now lets publish the signals */
+ − 222 klass = (GtkObjectClass *) gtk_type_class (the_type);
+ − 223 signals = klass->signals;
+ − 224 n_signals = klass->nsignals;
+ − 225
+ − 226 for (i = 0; i < n_signals; i++)
+ − 227 {
+ − 228 query = gtk_signal_query (signals[i]);
+ − 229 /* What do we want to do here? */
+ − 230 g_free (query);
+ − 231 }
+ − 232 #endif
+ − 233
+ − 234 the_type = gtk_type_parent(the_type);
+ − 235 } while (the_type != GTK_TYPE_INVALID);
+ − 236 }
+ − 237
+ − 238 static void
+ − 239 import_gtk_enumeration_internal (GtkType the_type)
+ − 240 {
+ − 241 GtkEnumValue *vals = gtk_type_enum_get_values (the_type);
+ − 242 Lisp_Object assoc = Qnil;
+ − 243
+ − 244 if (NILP (Venumeration_info))
+ − 245 {
+ − 246 Venumeration_info = call2 (intern ("make-hashtable"), make_int (100), Qequal);
+ − 247 }
+ − 248
+ − 249 while (vals && vals->value_name)
+ − 250 {
+ − 251 assoc = Fcons (Fcons (intern (vals->value_nick), make_int (vals->value)), assoc);
+ − 252 assoc = Fcons (Fcons (intern (vals->value_name), make_int (vals->value)), assoc);
+ − 253 vals++;
+ − 254 }
+ − 255
+ − 256 assoc = Fnreverse (assoc);
+ − 257
+ − 258 Fputhash (make_int (the_type), assoc, Venumeration_info);
+ − 259 }
+ − 260
+ − 261 static void
+ − 262 import_gtk_type (GtkType t)
+ − 263 {
+ − 264 if (type_already_imported_p (t))
+ − 265 {
+ − 266 return;
+ − 267 }
+ − 268
+ − 269 switch (GTK_FUNDAMENTAL_TYPE (t))
+ − 270 {
+ − 271 case GTK_TYPE_ENUM:
+ − 272 case GTK_TYPE_FLAGS:
+ − 273 import_gtk_enumeration_internal (t);
+ − 274 break;
+ − 275 case GTK_TYPE_OBJECT:
+ − 276 import_gtk_object_internal (t);
+ − 277 break;
+ − 278 default:
+ − 279 break;
+ − 280 }
+ − 281
+ − 282 mark_type_as_imported (t);
+ − 283 }
+ − 284
+ − 285
+ − 286 /* Foreign function calls */
+ − 287 static emacs_ffi_data *
+ − 288 allocate_ffi_data (void)
+ − 289 {
+ − 290 emacs_ffi_data *data = alloc_lcrecord_type (emacs_ffi_data, &lrecord_emacs_ffi);
+ − 291
+ − 292 data->return_type = GTK_TYPE_NONE;
+ − 293 data->n_args = 0;
+ − 294 data->function_name = Qnil;
+ − 295 data->function_ptr = 0;
+ − 296 data->marshal = 0;
+ − 297
+ − 298 return (data);
+ − 299 }
+ − 300
1204
+ − 301 static const struct memory_description ffi_data_description [] = {
+ − 302 { XD_LISP_OBJECT, offsetof (emacs_ffi_data, function_name) },
934
+ − 303 { XD_END }
+ − 304 };
+ − 305
462
+ − 306 static Lisp_Object
+ − 307 mark_ffi_data (Lisp_Object obj)
+ − 308 {
+ − 309 emacs_ffi_data *data = (emacs_ffi_data *) XFFI (obj);
+ − 310
+ − 311 mark_object (data->function_name);
+ − 312 return (Qnil);
+ − 313 }
+ − 314
+ − 315 static void
+ − 316 ffi_object_printer (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
+ − 317 {
+ − 318 if (print_readably)
563
+ − 319 printing_unreadable_object ("#<ffi %p>", XFFI (obj)->function_ptr);
462
+ − 320
800
+ − 321 write_fmt_string_lisp (printcharfun, "#<ffi %S", 1, XFFI (obj)->function_name);
462
+ − 322 if (XFFI (obj)->n_args)
800
+ − 323 write_fmt_string (printcharfun, " %d arguments", XFFI (obj)->n_args);
+ − 324 write_fmt_string (printcharfun, " %p>", (void *)XFFI (obj)->function_ptr);
462
+ − 325 }
+ − 326
934
+ − 327 DEFINE_LRECORD_IMPLEMENTATION ("ffi", emacs_ffi,
960
+ − 328 0, /*dumpable-flag*/
934
+ − 329 mark_ffi_data, ffi_object_printer,
+ − 330 0, 0, 0,
+ − 331 ffi_data_description, emacs_ffi_data);
462
+ − 332
+ − 333 typedef GtkObject * (*__OBJECT_fn) ();
+ − 334 typedef gint (*__INT_fn) ();
+ − 335 typedef void (*__NONE_fn) ();
+ − 336 typedef gchar * (*__STRING_fn) ();
+ − 337 typedef gboolean (*__BOOL_fn) ();
+ − 338 typedef gfloat (*__FLOAT_fn) ();
+ − 339 typedef void * (*__POINTER_fn) ();
+ − 340 typedef GList * (*__LIST_fn) ();
+ − 341
+ − 342 /* An auto-generated file of marshalling functions. */
+ − 343 #include "emacs-marshals.c"
+ − 344
+ − 345 #define CONVERT_SINGLE_TYPE(var,nam,tp) case GTK_TYPE_##nam: GTK_VALUE_##nam (var) = * (tp *) v; break;
+ − 346 #define CONVERT_RETVAL(a,freep) \
+ − 347 do { \
+ − 348 void *v = GTK_VALUE_POINTER(a); \
+ − 349 switch (GTK_FUNDAMENTAL_TYPE (a.type)) \
+ − 350 { \
+ − 351 CONVERT_SINGLE_TYPE(a,CHAR,gchar); \
+ − 352 CONVERT_SINGLE_TYPE(a,UCHAR,guchar); \
+ − 353 CONVERT_SINGLE_TYPE(a,BOOL,gboolean); \
+ − 354 CONVERT_SINGLE_TYPE(a,INT,gint); \
+ − 355 CONVERT_SINGLE_TYPE(a,UINT,guint); \
+ − 356 CONVERT_SINGLE_TYPE(a,LONG,glong); \
+ − 357 CONVERT_SINGLE_TYPE(a,ULONG,gulong); \
+ − 358 CONVERT_SINGLE_TYPE(a,FLOAT,gfloat); \
+ − 359 CONVERT_SINGLE_TYPE(a,DOUBLE,gdouble); \
+ − 360 CONVERT_SINGLE_TYPE(a,STRING,gchar *); \
+ − 361 CONVERT_SINGLE_TYPE(a,ENUM,gint); \
+ − 362 CONVERT_SINGLE_TYPE(a,FLAGS,guint); \
+ − 363 CONVERT_SINGLE_TYPE(a,BOXED,void *); \
+ − 364 CONVERT_SINGLE_TYPE(a,POINTER,void *); \
+ − 365 CONVERT_SINGLE_TYPE(a,OBJECT,GtkObject *); \
+ − 366 default: \
+ − 367 GTK_VALUE_POINTER (a) = * (void **) v; \
+ − 368 break; \
+ − 369 } \
+ − 370 if (freep) xfree(v); \
+ − 371 } while (0)
+ − 372
778
+ − 373 static gpointer __allocate_object_storage (GtkType t)
462
+ − 374 {
+ − 375 size_t s = 0;
+ − 376 void *rval = NULL;
+ − 377
+ − 378 switch (GTK_FUNDAMENTAL_TYPE (t))
+ − 379 {
+ − 380 /* flag types */
+ − 381 case GTK_TYPE_CHAR:
+ − 382 s = (sizeof (gchar));
+ − 383 break;
+ − 384 case GTK_TYPE_UCHAR:
+ − 385 s = (sizeof (guchar));
+ − 386 break;
+ − 387 case GTK_TYPE_BOOL:
+ − 388 s = (sizeof (gboolean));
+ − 389 break;
+ − 390 case GTK_TYPE_INT:
+ − 391 s = (sizeof (gint));
+ − 392 break;
+ − 393 case GTK_TYPE_UINT:
+ − 394 s = (sizeof (guint));
+ − 395 break;
+ − 396 case GTK_TYPE_LONG:
+ − 397 s = (sizeof (glong));
+ − 398 break;
+ − 399 case GTK_TYPE_ULONG:
+ − 400 s = (sizeof (gulong));
+ − 401 break;
+ − 402 case GTK_TYPE_FLOAT:
+ − 403 s = (sizeof (gfloat));
+ − 404 break;
+ − 405 case GTK_TYPE_DOUBLE:
+ − 406 s = (sizeof (gdouble));
+ − 407 break;
+ − 408 case GTK_TYPE_STRING:
+ − 409 s = (sizeof (gchar *));
+ − 410 break;
+ − 411 case GTK_TYPE_ENUM:
+ − 412 case GTK_TYPE_FLAGS:
+ − 413 s = (sizeof (guint));
+ − 414 break;
+ − 415 case GTK_TYPE_BOXED:
+ − 416 case GTK_TYPE_POINTER:
+ − 417 s = (sizeof (void *));
+ − 418 break;
+ − 419
+ − 420 /* base type of the object system */
+ − 421 case GTK_TYPE_OBJECT:
+ − 422 s = (sizeof (GtkObject *));
+ − 423 break;
+ − 424
+ − 425 default:
+ − 426 if (GTK_FUNDAMENTAL_TYPE (t) == GTK_TYPE_LISTOF)
+ − 427 {
+ − 428 s = (sizeof (void *));
+ − 429 }
+ − 430 rval = NULL;
+ − 431 break;
+ − 432 }
+ − 433
+ − 434 if (s)
+ − 435 {
+ − 436 rval = xmalloc (s);
+ − 437 memset (rval, '\0', s);
+ − 438 }
+ − 439
+ − 440 return (rval);
+ − 441 }
+ − 442
778
+ − 443 static Lisp_Object type_to_marshaller_type (GtkType t)
462
+ − 444 {
+ − 445 switch (GTK_FUNDAMENTAL_TYPE (t))
+ − 446 {
+ − 447 case GTK_TYPE_NONE:
+ − 448 return (build_string ("NONE"));
+ − 449 /* flag types */
+ − 450 case GTK_TYPE_CHAR:
+ − 451 case GTK_TYPE_UCHAR:
+ − 452 return (build_string ("CHAR"));
+ − 453 case GTK_TYPE_BOOL:
+ − 454 return (build_string ("BOOL"));
+ − 455 case GTK_TYPE_ENUM:
+ − 456 case GTK_TYPE_FLAGS:
+ − 457 case GTK_TYPE_INT:
+ − 458 case GTK_TYPE_UINT:
+ − 459 return (build_string ("INT"));
+ − 460 case GTK_TYPE_LONG:
+ − 461 case GTK_TYPE_ULONG:
+ − 462 return (build_string ("LONG"));
+ − 463 case GTK_TYPE_FLOAT:
+ − 464 case GTK_TYPE_DOUBLE:
+ − 465 return (build_string ("FLOAT"));
+ − 466 case GTK_TYPE_STRING:
+ − 467 return (build_string ("STRING"));
+ − 468 case GTK_TYPE_BOXED:
+ − 469 case GTK_TYPE_POINTER:
+ − 470 return (build_string ("POINTER"));
+ − 471 case GTK_TYPE_OBJECT:
+ − 472 return (build_string ("OBJECT"));
+ − 473 case GTK_TYPE_CALLBACK:
+ − 474 return (build_string ("CALLBACK"));
+ − 475 default:
+ − 476 /* I can't put this in the main switch statement because it is a
+ − 477 new fundamental type that is not fixed at compile time.
+ − 478 *sigh*
+ − 479 */
+ − 480 if (GTK_FUNDAMENTAL_TYPE (t) == GTK_TYPE_ARRAY)
+ − 481 return (build_string ("ARRAY"));
+ − 482
+ − 483 if (GTK_FUNDAMENTAL_TYPE (t) == GTK_TYPE_LISTOF)
+ − 484 return (build_string ("LIST"));
+ − 485 return (Qnil);
+ − 486 }
+ − 487 }
+ − 488
+ − 489 struct __dll_mapper_closure {
+ − 490 void * (*func) (dll_handle, const char *);
+ − 491 const char *obj_name;
+ − 492 void **storage;
+ − 493 };
+ − 494
+ − 495 static void __dll_mapper (gpointer key, gpointer value, gpointer user_data)
+ − 496 {
+ − 497 struct __dll_mapper_closure *closure = (struct __dll_mapper_closure *) user_data;
+ − 498
+ − 499 if (*(closure->storage) == NULL)
+ − 500 {
+ − 501 /* Need to see if it is in this one */
+ − 502 *(closure->storage) = closure->func ((dll_handle) value, closure->obj_name);
+ − 503 }
+ − 504 }
+ − 505
+ − 506 DEFUN ("gtk-import-variable-internal", Fgtk_import_variable_internal, 2, 2, 0, /*
+ − 507 Import a variable into the XEmacs namespace.
+ − 508 */
+ − 509 (type, name))
+ − 510 {
+ − 511 void *var = NULL;
+ − 512 GtkArg arg;
+ − 513
+ − 514 if (SYMBOLP (type)) type = Fsymbol_name (type);
+ − 515
+ − 516 CHECK_STRING (type);
+ − 517 CHECK_STRING (name);
+ − 518
+ − 519 initialize_dll_cache ();
+ − 520 xemacs_init_gtk_classes ();
+ − 521
+ − 522 arg.type = gtk_type_from_name ((char *) XSTRING_DATA (type));
+ − 523
+ − 524 if (arg.type == GTK_TYPE_INVALID)
+ − 525 {
563
+ − 526 sferror ("Unknown type", type);
462
+ − 527 }
+ − 528
+ − 529 /* Need to look thru the already-loaded dlls */
+ − 530 {
+ − 531 struct __dll_mapper_closure closure;
+ − 532
+ − 533 closure.func = dll_variable;
+ − 534 closure.obj_name = XSTRING_DATA (name);
+ − 535 closure.storage = &var;
+ − 536
+ − 537 g_hash_table_foreach (dll_cache, __dll_mapper, &closure);
+ − 538 }
+ − 539
+ − 540 if (!var)
+ − 541 {
563
+ − 542 gui_error ("Could not locate variable", name);
462
+ − 543 }
+ − 544
+ − 545 GTK_VALUE_POINTER(arg) = var;
+ − 546 CONVERT_RETVAL (arg, 0);
+ − 547 return (gtk_type_to_lisp (&arg));
+ − 548 }
+ − 549
+ − 550 DEFUN ("gtk-import-function-internal", Fgtk_import_function_internal, 2, 3, 0, /*
+ − 551 Import a function into the XEmacs namespace.
+ − 552 */
+ − 553 (rettype, name, args))
+ − 554 {
+ − 555 Lisp_Object rval = Qnil;
+ − 556 Lisp_Object marshaller = Qnil;
+ − 557 emacs_ffi_data *data = NULL;
+ − 558 gint n_args = 0;
+ − 559 #if 0
+ − 560 dll_handle h = NULL;
+ − 561 #endif
+ − 562 ffi_marshalling_function marshaller_func = NULL;
+ − 563 ffi_actual_function name_func = NULL;
+ − 564
+ − 565 CHECK_SYMBOL (rettype);
+ − 566 CHECK_STRING (name);
+ − 567 CHECK_LIST (args);
+ − 568
+ − 569 initialize_dll_cache ();
+ − 570 xemacs_init_gtk_classes ();
+ − 571
+ − 572 /* Need to look thru the already-loaded dlls */
+ − 573 {
+ − 574 struct __dll_mapper_closure closure;
+ − 575
+ − 576 closure.func = dll_function;
+ − 577 closure.obj_name = XSTRING_DATA (name);
+ − 578 closure.storage = (void **) &name_func;
+ − 579
+ − 580 g_hash_table_foreach (dll_cache, __dll_mapper, &closure);
+ − 581 }
+ − 582
+ − 583 if (!name_func)
+ − 584 {
563
+ − 585 gui_error ("Could not locate function", name);
462
+ − 586 }
+ − 587
+ − 588 data = allocate_ffi_data ();
+ − 589
+ − 590 if (NILP (rettype))
+ − 591 {
+ − 592 rettype = Qvoid;
+ − 593 }
+ − 594
+ − 595 if (!NILP (args))
+ − 596 {
+ − 597 Lisp_Object tail = Qnil;
+ − 598 Lisp_Object value = args;
+ − 599 Lisp_Object type = Qnil;
+ − 600
+ − 601 EXTERNAL_LIST_LOOP (tail, value)
+ − 602 {
+ − 603 GtkType the_type;
+ − 604 Lisp_Object marshaller_type = Qnil;
+ − 605
+ − 606 CHECK_SYMBOL (XCAR (tail));
+ − 607
+ − 608 type = Fsymbol_name (XCAR (tail));
+ − 609
+ − 610 the_type = gtk_type_from_name ((char *) XSTRING_DATA (type));
+ − 611
+ − 612 if (the_type == GTK_TYPE_INVALID)
+ − 613 {
563
+ − 614 invalid_argument ("Unknown argument type", type);
462
+ − 615 }
+ − 616
+ − 617 /* All things must be reduced to their basest form... */
+ − 618 import_gtk_type (the_type);
+ − 619 data->args[n_args] = the_type; /* GTK_FUNDAMENTAL_TYPE (the_type); */
+ − 620
+ − 621 /* Now lets build up another chunk of our marshaller function name */
+ − 622 marshaller_type = type_to_marshaller_type (data->args[n_args]);
+ − 623
+ − 624 if (NILP (marshaller_type))
+ − 625 {
563
+ − 626 invalid_argument ("Do not know how to marshal", type);
462
+ − 627 }
+ − 628 marshaller = concat3 (marshaller, build_string ("_"), marshaller_type);
+ − 629 n_args++;
+ − 630 }
+ − 631 }
+ − 632 else
+ − 633 {
+ − 634 marshaller = concat3 (marshaller, build_string ("_"), type_to_marshaller_type (GTK_TYPE_NONE));
+ − 635 }
+ − 636
+ − 637 rettype = Fsymbol_name (rettype);
+ − 638 data->return_type = gtk_type_from_name ((char *) XSTRING_DATA (rettype));
+ − 639
+ − 640 if (data->return_type == GTK_TYPE_INVALID)
+ − 641 {
563
+ − 642 invalid_argument ("Unknown return type", rettype);
462
+ − 643 }
+ − 644
+ − 645 import_gtk_type (data->return_type);
+ − 646
+ − 647 marshaller = concat3 (type_to_marshaller_type (data->return_type), build_string ("_"), marshaller);
+ − 648 marshaller = concat2 (build_string ("emacs_gtk_marshal_"), marshaller);
+ − 649
+ − 650 marshaller_func = (ffi_marshalling_function) find_marshaller ((char *) XSTRING_DATA (marshaller));
+ − 651
+ − 652 if (!marshaller_func)
+ − 653 {
563
+ − 654 gui_error ("Could not locate marshaller function", marshaller);
462
+ − 655 }
+ − 656
+ − 657 data->n_args = n_args;
+ − 658 data->function_name = name;
+ − 659 data->function_ptr = name_func;
+ − 660 data->marshal = marshaller_func;
+ − 661
797
+ − 662 rval = wrap_emacs_ffi (data);
462
+ − 663 return (rval);
+ − 664 }
+ − 665
+ − 666 DEFUN ("gtk-call-function", Fgtk_call_function, 1, 2, 0, /*
+ − 667 Call an external function.
+ − 668 */
+ − 669 (func, args))
+ − 670 {
+ − 671 GtkArg the_args[MAX_GTK_ARGS];
+ − 672 gint n_args = 0;
+ − 673 Lisp_Object retval = Qnil;
+ − 674
+ − 675 CHECK_FFI (func);
+ − 676 CHECK_LIST (args);
+ − 677
+ − 678 n_args = XINT (Flength (args));
+ − 679
+ − 680 #ifdef XEMACS_IS_SMARTER_THAN_THE_PROGRAMMER
+ − 681 /* #### I think this is too dangerous to enable by default.
+ − 682 ** #### Genuine program bugs would probably be allowed to
+ − 683 ** #### slip by, and not be very easy to find.
+ − 684 ** #### Bill Perry July 9, 2000
+ − 685 */
+ − 686 if (n_args != XFFI(func)->n_args)
+ − 687 {
+ − 688 Lisp_Object for_append[3];
+ − 689
+ − 690 /* Signal an error if they pass in too many arguments */
+ − 691 if (n_args > XFFI(func)->n_args)
+ − 692 {
+ − 693 return Fsignal (Qwrong_number_of_arguments,
+ − 694 list2 (func, make_int (n_args)));
+ − 695 }
+ − 696
+ − 697 /* If they did not provide enough arguments, be nice and assume
+ − 698 ** they wanted `nil' in there.
+ − 699 */
+ − 700 for_append[0] = args;
+ − 701 for_append[1] = Fmake_list (make_int (XFFI(func)->n_args - n_args), Qnil);
+ − 702
+ − 703 args = Fappend (2, for_append);
+ − 704 }
+ − 705 #else
+ − 706 if (n_args != XFFI(func)->n_args)
+ − 707 {
+ − 708 /* Signal an error if they do not pass in the correct # of arguments */
+ − 709 return Fsignal (Qwrong_number_of_arguments,
+ − 710 list2 (func, make_int (n_args)));
+ − 711 }
+ − 712 #endif
+ − 713
+ − 714 if (!NILP (args))
+ − 715 {
+ − 716 Lisp_Object tail = Qnil;
+ − 717 Lisp_Object value = args;
+ − 718
+ − 719 CHECK_LIST (args);
+ − 720 n_args = 0;
+ − 721
+ − 722 /* First we convert all of the arguments from Lisp to GtkArgs */
+ − 723 EXTERNAL_LIST_LOOP (tail, value)
+ − 724 {
+ − 725 the_args[n_args].type = XFFI (func)->args[n_args];
+ − 726
+ − 727 if (lisp_to_gtk_type (XCAR (tail), &the_args[n_args]))
+ − 728 {
+ − 729 /* There was some sort of an error */
563
+ − 730 gui_error ("Error converting arguments", args);
462
+ − 731 }
+ − 732 n_args++;
+ − 733 }
+ − 734 }
+ − 735
+ − 736 /* Now we need to tack on space for a return value, if they have
+ − 737 asked for one */
+ − 738 if (XFFI (func)->return_type != GTK_TYPE_NONE)
+ − 739 {
+ − 740 the_args[n_args].type = XFFI (func)->return_type;
+ − 741 GTK_VALUE_POINTER (the_args[n_args]) = __allocate_object_storage (the_args[n_args].type);
+ − 742 n_args++;
+ − 743 }
+ − 744
+ − 745 XFFI (func)->marshal ((ffi_actual_function) (XFFI (func)->function_ptr), the_args);
+ − 746
+ − 747 if (XFFI (func)->return_type != GTK_TYPE_NONE)
+ − 748 {
+ − 749 CONVERT_RETVAL (the_args[n_args - 1], 1);
+ − 750 retval = gtk_type_to_lisp (&the_args[n_args - 1]);
+ − 751 }
+ − 752
+ − 753 /* Need to free any array or list pointers */
+ − 754 {
+ − 755 int i;
+ − 756 for (i = 0; i < n_args; i++)
+ − 757 {
+ − 758 if (GTK_FUNDAMENTAL_TYPE (the_args[i].type) == GTK_TYPE_ARRAY)
+ − 759 {
+ − 760 g_free (GTK_VALUE_POINTER (the_args[i]));
+ − 761 }
+ − 762 else if (GTK_FUNDAMENTAL_TYPE (the_args[i].type) == GTK_TYPE_LISTOF)
+ − 763 {
+ − 764 /* g_list_free (GTK_VALUE_POINTER (the_args[i])); */
+ − 765 }
+ − 766 }
+ − 767 }
+ − 768
+ − 769 return (retval);
+ − 770 }
+ − 771
+ − 772
+ − 773
+ − 774 /* GtkObject wrapping for Lisp */
+ − 775 static void
+ − 776 emacs_gtk_object_printer (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
+ − 777 {
+ − 778 if (print_readably)
563
+ − 779 printing_unreadable_object ("#<GtkObject %p>", XGTK_OBJECT (obj)->object);
462
+ − 780
826
+ − 781 write_c_string (printcharfun, "#<GtkObject (");
462
+ − 782 if (XGTK_OBJECT (obj)->alive_p)
826
+ − 783 write_c_string (printcharfun, gtk_type_name (GTK_OBJECT_TYPE (XGTK_OBJECT (obj)->object)));
462
+ − 784 else
826
+ − 785 write_c_string (printcharfun, "dead");
800
+ − 786 write_fmt_string (printcharfun, ") %p>", (void *) XGTK_OBJECT (obj)->object);
462
+ − 787 }
+ − 788
+ − 789 static Lisp_Object
+ − 790 object_getprop (Lisp_Object obj, Lisp_Object prop)
+ − 791 {
+ − 792 Lisp_Object rval = Qnil;
+ − 793 Lisp_Object prop_name = Qnil;
+ − 794 GtkArgInfo *info = NULL;
+ − 795 char *err;
+ − 796 GtkArg args[2];
+ − 797
+ − 798 CHECK_SYMBOL (prop); /* Shouldn't need to ever do this, but I'm paranoid */
+ − 799
+ − 800 prop_name = Fsymbol_name (prop);
+ − 801
+ − 802 args[0].name = (char *) XSTRING_DATA (prop_name);
+ − 803
+ − 804 err = gtk_object_arg_get_info (GTK_OBJECT_TYPE (XGTK_OBJECT (obj)->object),
+ − 805 args[0].name,
+ − 806 &info);
+ − 807
+ − 808 if (err)
+ − 809 {
+ − 810 /* Not a magic symbol, fall back to just looking in our real plist */
+ − 811 g_free (err);
+ − 812
+ − 813 return (Fplist_get (XGTK_OBJECT (obj)->plist, prop, Qunbound));
+ − 814 }
+ − 815
+ − 816 if (!(info->arg_flags & GTK_ARG_READABLE))
+ − 817 {
563
+ − 818 invalid_operation ("Attempt to get write-only property", prop);
462
+ − 819 }
+ − 820
+ − 821 gtk_object_getv (XGTK_OBJECT (obj)->object, 1, args);
+ − 822
+ − 823 if (args[0].type == GTK_TYPE_INVALID)
+ − 824 {
+ − 825 /* If we can't get the attribute, then let the code in Fget know
+ − 826 so it can use the default value supplied by the caller */
+ − 827 return (Qunbound);
+ − 828 }
+ − 829
+ − 830 rval = gtk_type_to_lisp (&args[0]);
+ − 831
+ − 832 /* Free up any memory. According to the documentation and Havoc's
+ − 833 book, if the fundamental type of the returned value is
+ − 834 GTK_TYPE_STRING, GTK_TYPE_BOXED, or GTK_TYPE_ARGS, you are
+ − 835 responsible for freeing it. */
+ − 836 switch (GTK_FUNDAMENTAL_TYPE (args[0].type))
+ − 837 {
+ − 838 case GTK_TYPE_STRING:
+ − 839 g_free (GTK_VALUE_STRING (args[0]));
+ − 840 break;
+ − 841 case GTK_TYPE_BOXED:
+ − 842 g_free (GTK_VALUE_BOXED (args[0]));
+ − 843 break;
+ − 844 case GTK_TYPE_ARGS:
+ − 845 g_free (GTK_VALUE_ARGS (args[0]).args);
+ − 846 default:
+ − 847 break;
+ − 848 }
+ − 849
+ − 850 return (rval);
+ − 851 }
+ − 852
+ − 853 static int
+ − 854 object_putprop (Lisp_Object obj, Lisp_Object prop, Lisp_Object value)
+ − 855 {
+ − 856 GtkArgInfo *info = NULL;
+ − 857 Lisp_Object prop_name = Qnil;
+ − 858 GtkArg args[2];
+ − 859 char *err = NULL;
+ − 860
+ − 861 prop_name = Fsymbol_name (prop);
+ − 862
+ − 863 args[0].name = (char *) XSTRING_DATA (prop_name);
+ − 864
+ − 865 err = gtk_object_arg_get_info (GTK_OBJECT_TYPE (XGTK_OBJECT (obj)->object),
+ − 866 args[0].name,
+ − 867 &info);
+ − 868
+ − 869 if (err)
+ − 870 {
+ − 871 /* Not a magic symbol, fall back to just storing in our real plist */
+ − 872 g_free (err);
+ − 873
+ − 874 XGTK_OBJECT (obj)->plist = Fplist_put (XGTK_OBJECT (obj)->plist, prop, value);
+ − 875 return (1);
+ − 876 }
+ − 877
+ − 878 args[0].type = info->type;
+ − 879
+ − 880 if (lisp_to_gtk_type (value, &args[0]))
+ − 881 {
563
+ − 882 gui_error ("Error converting to GtkType", value);
462
+ − 883 }
+ − 884
+ − 885 if (!(info->arg_flags & GTK_ARG_WRITABLE))
+ − 886 {
563
+ − 887 invalid_operation ("Attempt to set read-only argument", prop);
462
+ − 888 }
+ − 889
+ − 890 gtk_object_setv (XGTK_OBJECT (obj)->object, 1, args);
+ − 891
+ − 892 return (1);
+ − 893 }
+ − 894
1204
+ − 895 static const struct memory_description gtk_object_data_description [] = {
+ − 896 { XD_LISP_OBJECT, offsetof (emacs_gtk_object_data, plist) },
934
+ − 897 { XD_END }
+ − 898 };
+ − 899
462
+ − 900 static Lisp_Object
+ − 901 mark_gtk_object_data (Lisp_Object obj)
+ − 902 {
+ − 903 return (XGTK_OBJECT (obj)->plist);
+ − 904 }
+ − 905
+ − 906 static void
+ − 907 emacs_gtk_object_finalizer (void *header, int for_disksave)
+ − 908 {
+ − 909 emacs_gtk_object_data *data = (emacs_gtk_object_data *) header;
+ − 910
+ − 911 if (for_disksave)
+ − 912 {
797
+ − 913 Lisp_Object obj = wrap_emacs_gtk_object (data);
793
+ − 914
462
+ − 915
563
+ − 916 invalid_operation
462
+ − 917 ("Can't dump an emacs containing GtkObject objects", obj);
+ − 918 }
+ − 919
+ − 920 if (data->alive_p)
+ − 921 {
+ − 922 gtk_object_unref (data->object);
+ − 923 }
+ − 924 }
+ − 925
934
+ − 926 DEFINE_LRECORD_IMPLEMENTATION_WITH_PROPS ("GtkObject", emacs_gtk_object,
960
+ − 927 0, /*dumpable-flag*/
1204
+ − 928 mark_gtk_object_data,
+ − 929 emacs_gtk_object_printer,
+ − 930 emacs_gtk_object_finalizer,
934
+ − 931 0, /* equality */
+ − 932 0, /* hash */
1204
+ − 933 gtk_object_data_description,
+ − 934 object_getprop,
+ − 935 object_putprop,
934
+ − 936 0, /* rem prop */
+ − 937 0, /* plist */
+ − 938 emacs_gtk_object_data);
462
+ − 939
+ − 940 static emacs_gtk_object_data *
+ − 941 allocate_emacs_gtk_object_data (void)
+ − 942 {
+ − 943 emacs_gtk_object_data *data = alloc_lcrecord_type (emacs_gtk_object_data,
+ − 944 &lrecord_emacs_gtk_object);
+ − 945
+ − 946 data->object = NULL;
+ − 947 data->alive_p = FALSE;
+ − 948 data->plist = Qnil;
+ − 949
+ − 950 return (data);
+ − 951 }
+ − 952
+ − 953 /* We need to keep track of when the object is destroyed so that we
+ − 954 can mark it as dead, otherwise even our print routine (which calls
+ − 955 GTK_OBJECT_TYPE) will crap out and die. This is also used in the
+ − 956 lisp_to_gtk_type() routine to defend against passing dead objects
+ − 957 to GTK routines. */
+ − 958 static void
+ − 959 __notice_object_destruction (GtkObject *obj, gpointer user_data)
+ − 960 {
+ − 961 ungcpro_popup_callbacks ((GUI_ID) user_data);
+ − 962 }
+ − 963
+ − 964 Lisp_Object build_gtk_object (GtkObject *obj)
+ − 965 {
+ − 966 Lisp_Object retval = Qnil;
+ − 967 emacs_gtk_object_data *data = NULL;
+ − 968 GUI_ID id = 0;
+ − 969
+ − 970 id = (GUI_ID) gtk_object_get_data (obj, "xemacs::gui_id");
+ − 971
+ − 972 if (id)
+ − 973 {
+ − 974 retval = get_gcpro_popup_callbacks (id);
+ − 975 }
+ − 976
+ − 977 if (NILP (retval))
+ − 978 {
+ − 979 data = allocate_emacs_gtk_object_data ();
+ − 980
+ − 981 data->object = obj;
+ − 982 data->alive_p = TRUE;
797
+ − 983 retval = wrap_emacs_gtk_object (data);
462
+ − 984
+ − 985 id = new_gui_id ();
+ − 986 gtk_object_set_data (obj, "xemacs::gui_id", (gpointer) id);
+ − 987 gcpro_popup_callbacks (id, retval);
+ − 988 gtk_object_ref (obj);
+ − 989 gtk_signal_connect (obj, "destroy", GTK_SIGNAL_FUNC (__notice_object_destruction), (gpointer)id);
+ − 990 }
+ − 991
+ − 992 return (retval);
+ − 993 }
+ − 994
+ − 995 static void
+ − 996 __internal_callback_destroy (gpointer data)
+ − 997 {
+ − 998 Lisp_Object lisp_data;
+ − 999
826
+ − 1000 lisp_data = VOID_TO_LISP (data);
462
+ − 1001
+ − 1002 ungcpro_popup_callbacks (XINT (XCAR (lisp_data)));
+ − 1003 }
+ − 1004
+ − 1005 static void
+ − 1006 __internal_callback_marshal (GtkObject *obj, gpointer data, guint n_args, GtkArg *args)
+ − 1007 {
+ − 1008 Lisp_Object arg_list = Qnil;
+ − 1009 Lisp_Object callback_fn = Qnil;
+ − 1010 Lisp_Object callback_data = Qnil;
+ − 1011 Lisp_Object newargs[3];
+ − 1012 Lisp_Object rval = Qnil;
+ − 1013 struct gcpro gcpro1;
+ − 1014 int i;
+ − 1015
826
+ − 1016 callback_fn = VOID_TO_LISP (data);
462
+ − 1017
+ − 1018 /* Nuke the GUI_ID off the front */
+ − 1019 callback_fn = XCDR (callback_fn);
+ − 1020
+ − 1021 callback_data = XCAR (callback_fn);
+ − 1022 callback_fn = XCDR (callback_fn);
+ − 1023
+ − 1024 /* The callback data goes at the very end of the argument list */
+ − 1025 arg_list = Fcons (callback_data, Qnil);
+ − 1026
+ − 1027 /* Build up the argument list, lisp style */
+ − 1028 for (i = n_args - 1; i >= 0; i--)
+ − 1029 {
+ − 1030 arg_list = Fcons (gtk_type_to_lisp (&args[i]), arg_list);
+ − 1031 }
+ − 1032
+ − 1033 /* We always pass the widget as the first parameter at the very least */
+ − 1034 arg_list = Fcons (build_gtk_object (obj), arg_list);
+ − 1035
+ − 1036 GCPRO1 ((arg_list));
+ − 1037
+ − 1038 newargs[0] = callback_fn;
+ − 1039 newargs[1] = arg_list;
+ − 1040
+ − 1041 rval = Fapply (2, newargs);
+ − 1042 signal_fake_event ();
+ − 1043
+ − 1044 if (args[n_args].type != GTK_TYPE_NONE)
+ − 1045 lisp_to_gtk_type (rval, &args[n_args]);
+ − 1046
+ − 1047 UNGCPRO;
+ − 1048 }
+ − 1049
+ − 1050 DEFUN ("gtk-signal-connect", Fgtk_signal_connect, 3, 6, 0, /*
+ − 1051 */
+ − 1052 (obj, name, func, cb_data, object_signal, after_p))
+ − 1053 {
+ − 1054 int c_after;
+ − 1055 int c_object_signal;
+ − 1056 GUI_ID id = 0;
+ − 1057
+ − 1058 CHECK_GTK_OBJECT (obj);
+ − 1059
+ − 1060 if (SYMBOLP (name))
+ − 1061 name = Fsymbol_name (name);
+ − 1062
+ − 1063 CHECK_STRING (name);
+ − 1064
+ − 1065 if (NILP (object_signal))
+ − 1066 c_object_signal = 0;
+ − 1067 else
+ − 1068 c_object_signal = 1;
+ − 1069
+ − 1070 if (NILP (after_p))
+ − 1071 c_after = 0;
+ − 1072 else
+ − 1073 c_after = 1;
+ − 1074
+ − 1075 id = new_gui_id ();
+ − 1076 func = Fcons (cb_data, func);
+ − 1077 func = Fcons (make_int (id), func);
+ − 1078
+ − 1079 gcpro_popup_callbacks (id, func);
+ − 1080
+ − 1081 gtk_signal_connect_full (XGTK_OBJECT (obj)->object, (char *) XSTRING_DATA (name),
+ − 1082 NULL, __internal_callback_marshal, LISP_TO_VOID (func),
+ − 1083 __internal_callback_destroy, c_object_signal, c_after);
+ − 1084 return (Qt);
+ − 1085 }
+ − 1086
+ − 1087
+ − 1088 /* GTK_TYPE_BOXED wrapper for Emacs lisp */
1204
+ − 1089 static const struct memory_description emacs_gtk_boxed_description [] = {
960
+ − 1090 { XD_END }
+ − 1091 };
+ − 1092
462
+ − 1093 static void
+ − 1094 emacs_gtk_boxed_printer (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
+ − 1095 {
+ − 1096 if (print_readably)
563
+ − 1097 printing_unreadable_object ("#<GtkBoxed %p>", XGTK_BOXED (obj)->object);
462
+ − 1098
826
+ − 1099 write_c_string (printcharfun, "#<GtkBoxed (");
+ − 1100 write_c_string (printcharfun, gtk_type_name (XGTK_BOXED (obj)->object_type));
800
+ − 1101 write_fmt_string (printcharfun, ") %p>", (void *) XGTK_BOXED (obj)->object);
462
+ − 1102 }
+ − 1103
+ − 1104 static int
+ − 1105 emacs_gtk_boxed_equality (Lisp_Object o1, Lisp_Object o2, int depth)
+ − 1106 {
+ − 1107 emacs_gtk_boxed_data *data1 = XGTK_BOXED(o1);
+ − 1108 emacs_gtk_boxed_data *data2 = XGTK_BOXED(o2);
+ − 1109
+ − 1110 return ((data1->object == data2->object) &&
+ − 1111 (data1->object_type == data2->object_type));
+ − 1112 }
+ − 1113
+ − 1114 static unsigned long
+ − 1115 emacs_gtk_boxed_hash (Lisp_Object obj, int depth)
+ − 1116 {
+ − 1117 emacs_gtk_boxed_data *data = XGTK_BOXED(obj);
+ − 1118 return (HASH2 ((unsigned long)data->object, data->object_type));
+ − 1119 }
+ − 1120
960
+ − 1121 DEFINE_LRECORD_IMPLEMENTATION_WITH_PROPS ("GtkBoxed", emacs_gtk_boxed,
+ − 1122 0, /*dumpable-flag*/
+ − 1123 0, /* marker function */
1204
+ − 1124 emacs_gtk_boxed_printer,
960
+ − 1125 0, /* nuker */
1204
+ − 1126 emacs_gtk_boxed_equality,
+ − 1127 emacs_gtk_boxed_hash,
+ − 1128 emacs_gtk_boxed_description,
960
+ − 1129 0, /* get prop */
+ − 1130 0, /* put prop */
+ − 1131 0, /* rem prop */
+ − 1132 0, /* plist */
+ − 1133 emacs_gtk_boxed_data);
462
+ − 1134 /* Currently defined GTK_TYPE_BOXED structures are:
+ − 1135
+ − 1136 GtkAccelGroup -
+ − 1137 GtkSelectionData -
+ − 1138 GtkStyle -
+ − 1139 GtkCTreeNode -
+ − 1140 GdkColormap -
+ − 1141 GdkVisual -
+ − 1142 GdkFont -
+ − 1143 GdkWindow -
+ − 1144 GdkDragContext -
+ − 1145 GdkEvent -
+ − 1146 GdkColor -
+ − 1147 */
+ − 1148 static emacs_gtk_boxed_data *
+ − 1149 allocate_emacs_gtk_boxed_data (void)
+ − 1150 {
+ − 1151 emacs_gtk_boxed_data *data = alloc_lcrecord_type (emacs_gtk_boxed_data,
+ − 1152 &lrecord_emacs_gtk_boxed);
+ − 1153
+ − 1154 data->object = NULL;
+ − 1155 data->object_type = GTK_TYPE_INVALID;
+ − 1156
+ − 1157 return (data);
+ − 1158 }
+ − 1159
+ − 1160 Lisp_Object build_gtk_boxed (void *obj, GtkType t)
+ − 1161 {
+ − 1162 Lisp_Object retval = Qnil;
+ − 1163 emacs_gtk_boxed_data *data = NULL;
+ − 1164
+ − 1165 if (GTK_FUNDAMENTAL_TYPE (t) != GTK_TYPE_BOXED)
+ − 1166 abort();
+ − 1167
+ − 1168 data = allocate_emacs_gtk_boxed_data ();
+ − 1169 data->object = obj;
+ − 1170 data->object_type = t;
+ − 1171
797
+ − 1172 retval = wrap_emacs_gtk_boxed (data);
462
+ − 1173
+ − 1174 return (retval);
+ − 1175 }
+ − 1176
+ − 1177
+ − 1178 /* The automatically generated structure access routines */
+ − 1179 #include "emacs-widget-accessors.c"
+ − 1180
+ − 1181 /* The hand generated funky functions that we can't just import using the FFI */
+ − 1182 #include "ui-byhand.c"
+ − 1183
+ − 1184 /* The glade support */
+ − 1185 #include "glade.c"
+ − 1186
+ − 1187
+ − 1188 /* Type manipulation */
+ − 1189 DEFUN ("gtk-fundamental-type", Fgtk_fundamental_type, 1, 1, 0, /*
+ − 1190 Load a shared library DLL into XEmacs. No initialization routines are required.
+ − 1191 This is for loading dependency DLLs into XEmacs.
+ − 1192 */
+ − 1193 (type))
+ − 1194 {
+ − 1195 GtkType t;
+ − 1196
+ − 1197 if (SYMBOLP (type))
+ − 1198 type = Fsymbol_name (type);
+ − 1199
+ − 1200 CHECK_STRING (type);
+ − 1201
+ − 1202 t = gtk_type_from_name ((char *) XSTRING_DATA (type));
+ − 1203
+ − 1204 if (t == GTK_TYPE_INVALID)
+ − 1205 {
563
+ − 1206 invalid_argument ("Not a GTK type", type);
462
+ − 1207 }
+ − 1208 return (make_int (GTK_FUNDAMENTAL_TYPE (t)));
+ − 1209 }
+ − 1210
+ − 1211 DEFUN ("gtk-object-type", Fgtk_object_type, 1, 1, 0, /*
+ − 1212 Return the GtkType of OBJECT.
+ − 1213 */
+ − 1214 (object))
+ − 1215 {
+ − 1216 CHECK_GTK_OBJECT (object);
+ − 1217 return (make_int (GTK_OBJECT_TYPE (XGTK_OBJECT (object)->object)));
+ − 1218 }
+ − 1219
+ − 1220 DEFUN ("gtk-describe-type", Fgtk_describe_type, 1, 1, 0, /*
+ − 1221 Returns a cons of two lists describing the Gtk object TYPE.
+ − 1222 The car is a list of all the signals that it will emit.
+ − 1223 The cdr is a list of all the magic properties it has.
+ − 1224 */
+ − 1225 (type))
+ − 1226 {
+ − 1227 Lisp_Object rval, signals, props;
+ − 1228 GtkType t;
+ − 1229
+ − 1230 props = signals = rval = Qnil;
+ − 1231
+ − 1232 if (SYMBOLP (type))
+ − 1233 {
+ − 1234 type = Fsymbol_name (type);
+ − 1235 }
+ − 1236
+ − 1237 if (STRINGP (type))
+ − 1238 {
+ − 1239 t = gtk_type_from_name (XSTRING_DATA (type));
+ − 1240 if (t == GTK_TYPE_INVALID)
+ − 1241 {
563
+ − 1242 invalid_argument ("Not a GTK type", type);
462
+ − 1243 }
+ − 1244 }
+ − 1245 else
+ − 1246 {
+ − 1247 CHECK_INT (type);
+ − 1248 t = XINT (type);
+ − 1249 }
+ − 1250
+ − 1251 if (GTK_FUNDAMENTAL_TYPE (t) != GTK_TYPE_OBJECT)
+ − 1252 {
563
+ − 1253 invalid_argument ("Not a GtkObject", type);
462
+ − 1254 }
+ − 1255
+ − 1256 /* Need to do stupid shit like this to get the args
+ − 1257 ** registered... damn GTK and its lazy loading
+ − 1258 */
+ − 1259 {
+ − 1260 GtkArg args[3];
+ − 1261 GtkObject *obj = gtk_object_newv (t, 0, args);
+ − 1262
+ − 1263 gtk_object_destroy(obj);
+ − 1264 }
+ − 1265
+ − 1266 do
+ − 1267 {
+ − 1268 guint i;
+ − 1269
+ − 1270 /* Do the magic arguments first */
+ − 1271 {
+ − 1272 GtkArg *args;
+ − 1273 guint32 *flags;
+ − 1274 guint n_args;
+ − 1275
+ − 1276 args = gtk_object_query_args(t,&flags,&n_args);
+ − 1277
+ − 1278 for (i = 0; i < n_args; i++)
+ − 1279 {
+ − 1280 props = Fcons (Fcons (intern (gtk_type_name(args[i].type)),
+ − 1281 intern (args[i].name)), props);
+ − 1282 }
+ − 1283
+ − 1284 g_free (args);
+ − 1285 g_free (flags);
+ − 1286 }
+ − 1287
+ − 1288 /* Now the signals */
+ − 1289 {
+ − 1290 GtkObjectClass *klass;
+ − 1291 GtkSignalQuery *query;
+ − 1292 guint32 *gtk_signals;
+ − 1293 guint n_signals;
+ − 1294
+ − 1295 klass = (GtkObjectClass *) gtk_type_class (t);
+ − 1296 gtk_signals = klass->signals;
+ − 1297 n_signals = klass->nsignals;
+ − 1298
+ − 1299 for (i = 0; i < n_signals; i++)
+ − 1300 {
+ − 1301 Lisp_Object params = Qnil;
+ − 1302
+ − 1303 query = gtk_signal_query (gtk_signals[i]);
+ − 1304
+ − 1305 if (query)
+ − 1306 {
+ − 1307 if (query->nparams)
+ − 1308 {
+ − 1309 int j;
+ − 1310
+ − 1311 for (j = query->nparams - 1; j >= 0; j--)
+ − 1312 {
+ − 1313 params = Fcons (intern (gtk_type_name (query->params[j])), params);
+ − 1314 }
+ − 1315 }
+ − 1316
+ − 1317 signals = Fcons (Fcons (intern (gtk_type_name (query->return_val)),
+ − 1318 Fcons (intern (query->signal_name),
+ − 1319 params)),
+ − 1320 signals);
+ − 1321
+ − 1322 g_free (query);
+ − 1323 }
+ − 1324 }
+ − 1325 }
+ − 1326 t = gtk_type_parent(t);
+ − 1327 } while (t != GTK_TYPE_INVALID);
+ − 1328
+ − 1329 rval = Fcons (signals, props);
+ − 1330
+ − 1331 return (rval);
+ − 1332 }
+ − 1333
+ − 1334
+ − 1335 void
+ − 1336 syms_of_ui_gtk (void)
+ − 1337 {
+ − 1338 INIT_LRECORD_IMPLEMENTATION (emacs_ffi);
+ − 1339 INIT_LRECORD_IMPLEMENTATION (emacs_gtk_object);
+ − 1340 INIT_LRECORD_IMPLEMENTATION (emacs_gtk_boxed);
563
+ − 1341 DEFSYMBOL_MULTIWORD_PREDICATE (Qemacs_ffip);
+ − 1342 DEFSYMBOL_MULTIWORD_PREDICATE (Qemacs_gtk_objectp);
+ − 1343 DEFSYMBOL_MULTIWORD_PREDICATE (Qemacs_gtk_boxedp);
+ − 1344 DEFSYMBOL (Qvoid);
462
+ − 1345 DEFSUBR (Fdll_load);
+ − 1346 DEFSUBR (Fgtk_import_function_internal);
+ − 1347 DEFSUBR (Fgtk_import_variable_internal);
+ − 1348 DEFSUBR (Fgtk_signal_connect);
+ − 1349 DEFSUBR (Fgtk_call_function);
+ − 1350 DEFSUBR (Fgtk_fundamental_type);
+ − 1351 DEFSUBR (Fgtk_object_type);
+ − 1352 DEFSUBR (Fgtk_describe_type);
+ − 1353 syms_of_widget_accessors ();
+ − 1354 syms_of_ui_byhand ();
+ − 1355 syms_of_glade ();
+ − 1356 }
+ − 1357
+ − 1358 void
+ − 1359 vars_of_ui_gtk (void)
+ − 1360 {
+ − 1361 Fprovide (intern ("gtk-ui"));
+ − 1362 DEFVAR_LISP ("gtk-enumeration-info", &Venumeration_info /*
+ − 1363 A hashtable holding type information about GTK enumerations and flags.
+ − 1364 Do NOT modify unless you really understand ui-gtk.c.
+ − 1365 */);
+ − 1366
+ − 1367 Venumeration_info = Qnil;
+ − 1368 vars_of_glade ();
+ − 1369 }
+ − 1370
+ − 1371
+ − 1372 /* Various utility functions */
778
+ − 1373 #if 0
462
+ − 1374 void describe_gtk_arg (GtkArg *arg)
+ − 1375 {
+ − 1376 GtkArg a = *arg;
+ − 1377
+ − 1378 switch (GTK_FUNDAMENTAL_TYPE (a.type))
+ − 1379 {
+ − 1380 /* flag types */
+ − 1381 case GTK_TYPE_CHAR:
+ − 1382 stderr_out ("char: %c\n", GTK_VALUE_CHAR (a));
+ − 1383 break;
+ − 1384 case GTK_TYPE_UCHAR:
+ − 1385 stderr_out ("uchar: %c\n", GTK_VALUE_CHAR (a));
+ − 1386 break;
+ − 1387 case GTK_TYPE_BOOL:
+ − 1388 stderr_out ("uchar: %s\n", GTK_VALUE_BOOL (a) ? "true" : "false");
+ − 1389 break;
+ − 1390 case GTK_TYPE_INT:
+ − 1391 stderr_out ("int: %d\n", GTK_VALUE_INT (a));
+ − 1392 break;
+ − 1393 case GTK_TYPE_UINT:
+ − 1394 stderr_out ("uint: %du\n", GTK_VALUE_UINT (a));
+ − 1395 break;
+ − 1396 case GTK_TYPE_LONG:
+ − 1397 stderr_out ("long: %ld\n", GTK_VALUE_LONG (a));
+ − 1398 break;
+ − 1399 case GTK_TYPE_ULONG:
+ − 1400 stderr_out ("ulong: %lu\n", GTK_VALUE_ULONG (a));
+ − 1401 break;
+ − 1402 case GTK_TYPE_FLOAT:
+ − 1403 stderr_out ("float: %g\n", GTK_VALUE_FLOAT (a));
+ − 1404 break;
+ − 1405 case GTK_TYPE_DOUBLE:
+ − 1406 stderr_out ("double: %f\n", GTK_VALUE_DOUBLE (a));
+ − 1407 break;
+ − 1408 case GTK_TYPE_STRING:
+ − 1409 stderr_out ("string: %s\n", GTK_VALUE_STRING (a));
+ − 1410 break;
+ − 1411 case GTK_TYPE_ENUM:
+ − 1412 case GTK_TYPE_FLAGS:
+ − 1413 stderr_out ("%s: ", (a.type == GTK_TYPE_ENUM) ? "enum" : "flag");
+ − 1414 {
+ − 1415 GtkEnumValue *vals = gtk_type_enum_get_values (a.type);
+ − 1416
+ − 1417 while (vals && vals->value_name && (vals->value != GTK_VALUE_ENUM(a))) vals++;
+ − 1418
+ − 1419 stderr_out ("%s\n", vals ? vals->value_name : "!!! UNKNOWN ENUM VALUE !!!");
+ − 1420 }
+ − 1421 break;
+ − 1422 case GTK_TYPE_BOXED:
+ − 1423 stderr_out ("boxed: %p\n", GTK_VALUE_BOXED (a));
+ − 1424 break;
+ − 1425 case GTK_TYPE_POINTER:
+ − 1426 stderr_out ("pointer: %p\n", GTK_VALUE_BOXED (a));
+ − 1427 break;
+ − 1428
+ − 1429 /* structured types */
+ − 1430 case GTK_TYPE_SIGNAL:
+ − 1431 case GTK_TYPE_ARGS: /* This we can do as a list of values */
+ − 1432 abort();
+ − 1433 case GTK_TYPE_CALLBACK:
+ − 1434 stderr_out ("callback fn: ...\n");
+ − 1435 break;
+ − 1436 case GTK_TYPE_C_CALLBACK:
+ − 1437 case GTK_TYPE_FOREIGN:
+ − 1438 abort();
+ − 1439
+ − 1440 /* base type of the object system */
+ − 1441 case GTK_TYPE_OBJECT:
+ − 1442 if (GTK_VALUE_OBJECT (a))
+ − 1443 stderr_out ("object: %s\n", gtk_type_name (GTK_OBJECT_TYPE (GTK_VALUE_OBJECT (a))));
+ − 1444 else
+ − 1445 stderr_out ("object: NULL\n");
+ − 1446 break;
+ − 1447
+ − 1448 default:
+ − 1449 abort();
+ − 1450 }
+ − 1451 }
778
+ − 1452 #endif
462
+ − 1453
+ − 1454 Lisp_Object gtk_type_to_lisp (GtkArg *arg)
+ − 1455 {
+ − 1456 switch (GTK_FUNDAMENTAL_TYPE (arg->type))
+ − 1457 {
+ − 1458 case GTK_TYPE_NONE:
+ − 1459 return (Qnil);
+ − 1460 case GTK_TYPE_CHAR:
+ − 1461 return (make_char (GTK_VALUE_CHAR (*arg)));
+ − 1462 case GTK_TYPE_UCHAR:
+ − 1463 return (make_char (GTK_VALUE_UCHAR (*arg)));
+ − 1464 case GTK_TYPE_BOOL:
+ − 1465 return (GTK_VALUE_BOOL (*arg) ? Qt : Qnil);
+ − 1466 case GTK_TYPE_INT:
+ − 1467 return (make_int (GTK_VALUE_INT (*arg)));
+ − 1468 case GTK_TYPE_UINT:
+ − 1469 return (make_int (GTK_VALUE_INT (*arg)));
+ − 1470 case GTK_TYPE_LONG: /* I think these are wrong! */
+ − 1471 return (make_int (GTK_VALUE_INT (*arg)));
+ − 1472 case GTK_TYPE_ULONG: /* I think these are wrong! */
+ − 1473 return (make_int (GTK_VALUE_INT (*arg)));
+ − 1474 case GTK_TYPE_FLOAT:
+ − 1475 return (make_float (GTK_VALUE_FLOAT (*arg)));
+ − 1476 case GTK_TYPE_DOUBLE:
+ − 1477 return (make_float (GTK_VALUE_DOUBLE (*arg)));
+ − 1478 case GTK_TYPE_STRING:
+ − 1479 return (build_string (GTK_VALUE_STRING (*arg)));
+ − 1480 case GTK_TYPE_FLAGS:
+ − 1481 return (flags_to_list (GTK_VALUE_FLAGS (*arg), arg->type));
+ − 1482 case GTK_TYPE_ENUM:
+ − 1483 return (enum_to_symbol (GTK_VALUE_ENUM (*arg), arg->type));
+ − 1484 case GTK_TYPE_BOXED:
+ − 1485 if (arg->type == GTK_TYPE_GDK_EVENT)
+ − 1486 {
+ − 1487 return (gdk_event_to_emacs_event((GdkEvent *) GTK_VALUE_BOXED (*arg)));
+ − 1488 }
+ − 1489
+ − 1490 if (GTK_VALUE_BOXED (*arg))
+ − 1491 return (build_gtk_boxed (GTK_VALUE_BOXED (*arg), arg->type));
+ − 1492 else
+ − 1493 return (Qnil);
+ − 1494 case GTK_TYPE_POINTER:
+ − 1495 if (GTK_VALUE_POINTER (*arg))
+ − 1496 {
+ − 1497 Lisp_Object rval;
+ − 1498
826
+ − 1499 rval = VOID_TO_LISP (GTK_VALUE_POINTER (*arg));
462
+ − 1500 return (rval);
+ − 1501 }
+ − 1502 else
+ − 1503 return (Qnil);
+ − 1504 case GTK_TYPE_OBJECT:
+ − 1505 if (GTK_VALUE_OBJECT (*arg))
+ − 1506 return (build_gtk_object (GTK_VALUE_OBJECT (*arg)));
+ − 1507 else
+ − 1508 return (Qnil);
+ − 1509
+ − 1510 case GTK_TYPE_CALLBACK:
+ − 1511 {
+ − 1512 Lisp_Object rval;
+ − 1513
826
+ − 1514 rval = VOID_TO_LISP (GTK_VALUE_CALLBACK (*arg).data);
462
+ − 1515
+ − 1516 return (rval);
+ − 1517 }
+ − 1518
+ − 1519 default:
+ − 1520 if (GTK_FUNDAMENTAL_TYPE (arg->type) == GTK_TYPE_LISTOF)
+ − 1521 {
+ − 1522 if (!GTK_VALUE_POINTER (*arg))
+ − 1523 return (Qnil);
+ − 1524 else
+ − 1525 {
+ − 1526 return (xemacs_gtklist_to_list (arg));
+ − 1527 }
+ − 1528 }
+ − 1529 stderr_out ("Do not know how to convert `%s' to lisp!\n", gtk_type_name (arg->type));
+ − 1530 abort ();
+ − 1531 }
+ − 1532 /* This is chuck reminding GCC to... SHUT UP! */
+ − 1533 return (Qnil);
+ − 1534 }
+ − 1535
+ − 1536 int lisp_to_gtk_type (Lisp_Object obj, GtkArg *arg)
+ − 1537 {
+ − 1538 switch (GTK_FUNDAMENTAL_TYPE (arg->type))
+ − 1539 {
+ − 1540 /* flag types */
+ − 1541 case GTK_TYPE_NONE:
+ − 1542 return (0);
+ − 1543 case GTK_TYPE_CHAR:
+ − 1544 {
867
+ − 1545 Ichar c;
462
+ − 1546
+ − 1547 CHECK_CHAR_COERCE_INT (obj);
+ − 1548 c = XCHAR (obj);
+ − 1549 GTK_VALUE_CHAR (*arg) = c;
+ − 1550 }
+ − 1551 break;
+ − 1552 case GTK_TYPE_UCHAR:
+ − 1553 {
867
+ − 1554 Ichar c;
462
+ − 1555
+ − 1556 CHECK_CHAR_COERCE_INT (obj);
+ − 1557 c = XCHAR (obj);
+ − 1558 GTK_VALUE_CHAR (*arg) = c;
+ − 1559 }
+ − 1560 break;
+ − 1561 case GTK_TYPE_BOOL:
+ − 1562 GTK_VALUE_BOOL (*arg) = NILP (obj) ? FALSE : TRUE;
+ − 1563 break;
+ − 1564 case GTK_TYPE_INT:
+ − 1565 case GTK_TYPE_UINT:
+ − 1566 if (NILP (obj) || EQ (Qt, obj))
+ − 1567 {
+ − 1568 /* For we are a kind mistress and allow sending t/nil for
+ − 1569 1/0 to stupid GTK functions that say they take guint or
+ − 1570 gint in the header files, but actually treat it like a
+ − 1571 bool. *sigh*
+ − 1572 */
+ − 1573 GTK_VALUE_INT(*arg) = NILP (obj) ? 0 : 1;
+ − 1574 }
+ − 1575 else
+ − 1576 {
+ − 1577 CHECK_INT (obj);
+ − 1578 GTK_VALUE_INT(*arg) = XINT (obj);
+ − 1579 }
+ − 1580 break;
+ − 1581 case GTK_TYPE_LONG:
+ − 1582 case GTK_TYPE_ULONG:
+ − 1583 abort();
+ − 1584 case GTK_TYPE_FLOAT:
+ − 1585 CHECK_INT_OR_FLOAT (obj);
+ − 1586 GTK_VALUE_FLOAT(*arg) = extract_float (obj);
+ − 1587 break;
+ − 1588 case GTK_TYPE_DOUBLE:
+ − 1589 CHECK_INT_OR_FLOAT (obj);
+ − 1590 GTK_VALUE_DOUBLE(*arg) = extract_float (obj);
+ − 1591 break;
+ − 1592 case GTK_TYPE_STRING:
+ − 1593 if (NILP (obj))
+ − 1594 GTK_VALUE_STRING (*arg) = NULL;
+ − 1595 else
+ − 1596 {
+ − 1597 CHECK_STRING (obj);
+ − 1598 GTK_VALUE_STRING (*arg) = (char *) XSTRING_DATA (obj);
+ − 1599 }
+ − 1600 break;
+ − 1601 case GTK_TYPE_ENUM:
+ − 1602 case GTK_TYPE_FLAGS:
+ − 1603 /* Convert a lisp symbol to a GTK enum */
+ − 1604 GTK_VALUE_ENUM(*arg) = lisp_to_flag (obj, arg->type);
+ − 1605 break;
+ − 1606 case GTK_TYPE_BOXED:
+ − 1607 if (NILP (obj))
+ − 1608 {
+ − 1609 GTK_VALUE_BOXED(*arg) = NULL;
+ − 1610 }
+ − 1611 else if (GTK_BOXEDP (obj))
+ − 1612 {
+ − 1613 GTK_VALUE_BOXED(*arg) = XGTK_BOXED (obj)->object;
+ − 1614 }
+ − 1615 else if (arg->type == GTK_TYPE_STYLE)
+ − 1616 {
+ − 1617 obj = Ffind_face (obj);
+ − 1618 CHECK_FACE (obj);
+ − 1619 GTK_VALUE_BOXED(*arg) = face_to_style (obj);
+ − 1620 }
+ − 1621 else if (arg->type == GTK_TYPE_GDK_GC)
+ − 1622 {
+ − 1623 obj = Ffind_face (obj);
+ − 1624 CHECK_FACE (obj);
+ − 1625 GTK_VALUE_BOXED(*arg) = face_to_gc (obj);
+ − 1626 }
+ − 1627 else if (arg->type == GTK_TYPE_GDK_WINDOW)
+ − 1628 {
+ − 1629 if (GLYPHP (obj))
+ − 1630 {
+ − 1631 Lisp_Object window = Fselected_window (Qnil);
793
+ − 1632 Lisp_Object instance =
+ − 1633 glyph_image_instance (obj, window, ERROR_ME_DEBUG_WARN, 1);
462
+ − 1634 struct Lisp_Image_Instance *p = XIMAGE_INSTANCE (instance);
+ − 1635
+ − 1636 switch (XIMAGE_INSTANCE_TYPE (instance))
+ − 1637 {
+ − 1638 case IMAGE_TEXT:
+ − 1639 case IMAGE_POINTER:
+ − 1640 case IMAGE_SUBWINDOW:
+ − 1641 case IMAGE_NOTHING:
+ − 1642 GTK_VALUE_BOXED(*arg) = NULL;
+ − 1643 break;
+ − 1644
+ − 1645 case IMAGE_MONO_PIXMAP:
+ − 1646 case IMAGE_COLOR_PIXMAP:
+ − 1647 GTK_VALUE_BOXED(*arg) = IMAGE_INSTANCE_GTK_PIXMAP (p);
+ − 1648 break;
+ − 1649 }
+ − 1650 }
+ − 1651 else if (GTK_OBJECTP (obj) && GTK_IS_WIDGET (XGTK_OBJECT (obj)->object))
+ − 1652 {
+ − 1653 GTK_VALUE_BOXED(*arg) = GTK_WIDGET (XGTK_OBJECT (obj))->window;
+ − 1654 }
+ − 1655 else
+ − 1656 {
563
+ − 1657 invalid_argument ("Don't know how to convert object to GDK_WINDOW", obj);
462
+ − 1658 }
+ − 1659 break;
+ − 1660 }
+ − 1661 else if (arg->type == GTK_TYPE_GDK_COLOR)
+ − 1662 {
+ − 1663 if (COLOR_SPECIFIERP (obj))
+ − 1664 {
+ − 1665 /* If it is a specifier, we just convert it to an
+ − 1666 instance, and let the ifs below handle it.
+ − 1667 */
+ − 1668 obj = Fspecifier_instance (obj, Qnil, Qnil, Qnil);
+ − 1669 }
+ − 1670
+ − 1671 if (COLOR_INSTANCEP (obj))
+ − 1672 {
+ − 1673 /* Easiest one */
+ − 1674 GTK_VALUE_BOXED(*arg) = COLOR_INSTANCE_GTK_COLOR (XCOLOR_INSTANCE (obj));
+ − 1675 }
+ − 1676 else if (STRINGP (obj))
+ − 1677 {
563
+ − 1678 invalid_argument ("Please use a color specifier or instance, not a string", obj);
462
+ − 1679 }
+ − 1680 else
+ − 1681 {
563
+ − 1682 invalid_argument ("Don't know how to convert to GdkColor", obj);
462
+ − 1683 }
+ − 1684 }
+ − 1685 else if (arg->type == GTK_TYPE_GDK_FONT)
+ − 1686 {
+ − 1687 if (SYMBOLP (obj))
+ − 1688 {
+ − 1689 /* If it is a symbol, we treat that as a face name */
+ − 1690 obj = Ffind_face (obj);
+ − 1691 }
+ − 1692
+ − 1693 if (FACEP (obj))
+ − 1694 {
+ − 1695 /* If it is a face, we just grab the font specifier, and
+ − 1696 cascade down until we finally reach a FONT_INSTANCE
+ − 1697 */
+ − 1698 obj = Fget (obj, Qfont, Qnil);
+ − 1699 }
+ − 1700
+ − 1701 if (FONT_SPECIFIERP (obj))
+ − 1702 {
+ − 1703 /* If it is a specifier, we just convert it to an
+ − 1704 instance, and let the ifs below handle it
+ − 1705 */
+ − 1706 obj = Fspecifier_instance (obj, Qnil, Qnil, Qnil);
+ − 1707 }
+ − 1708
+ − 1709 if (FONT_INSTANCEP (obj))
+ − 1710 {
+ − 1711 /* Easiest one */
+ − 1712 GTK_VALUE_BOXED(*arg) = FONT_INSTANCE_GTK_FONT (XFONT_INSTANCE (obj));
+ − 1713 }
+ − 1714 else if (STRINGP (obj))
+ − 1715 {
563
+ − 1716 invalid_argument ("Please use a font specifier or instance, not a string", obj);
462
+ − 1717 }
+ − 1718 else
+ − 1719 {
563
+ − 1720 invalid_argument ("Don't know how to convert to GdkColor", obj);
462
+ − 1721 }
+ − 1722 }
+ − 1723 else
+ − 1724 {
+ − 1725 /* Unknown type to convert to boxed */
+ − 1726 stderr_out ("Don't know how to convert to boxed!\n");
+ − 1727 GTK_VALUE_BOXED(*arg) = NULL;
+ − 1728 }
+ − 1729 break;
+ − 1730
+ − 1731 case GTK_TYPE_POINTER:
+ − 1732 if (NILP (obj))
+ − 1733 GTK_VALUE_POINTER(*arg) = NULL;
+ − 1734 else
+ − 1735 GTK_VALUE_POINTER(*arg) = LISP_TO_VOID (obj);
+ − 1736 break;
+ − 1737
+ − 1738 /* structured types */
+ − 1739 case GTK_TYPE_SIGNAL:
+ − 1740 case GTK_TYPE_ARGS: /* This we can do as a list of values */
+ − 1741 case GTK_TYPE_C_CALLBACK:
+ − 1742 case GTK_TYPE_FOREIGN:
+ − 1743 stderr_out ("Do not know how to convert `%s' from lisp!\n", gtk_type_name (arg->type));
+ − 1744 return (-1);
+ − 1745
+ − 1746 #if 0
+ − 1747 /* #### BILL! */
+ − 1748 /* This is not used, and does not work with union type */
+ − 1749 case GTK_TYPE_CALLBACK:
+ − 1750 {
+ − 1751 GUI_ID id;
+ − 1752
+ − 1753 id = new_gui_id ();
+ − 1754 obj = Fcons (Qnil, obj); /* Empty data */
+ − 1755 obj = Fcons (make_int (id), obj);
+ − 1756
+ − 1757 gcpro_popup_callbacks (id, obj);
+ − 1758
+ − 1759 GTK_VALUE_CALLBACK(*arg).marshal = __internal_callback_marshal;
+ − 1760 GTK_VALUE_CALLBACK(*arg).data = (gpointer) obj;
+ − 1761 GTK_VALUE_CALLBACK(*arg).notify = __internal_callback_destroy;
+ − 1762 }
+ − 1763 break;
+ − 1764 #endif
+ − 1765
+ − 1766 /* base type of the object system */
+ − 1767 case GTK_TYPE_OBJECT:
+ − 1768 if (NILP (obj))
+ − 1769 GTK_VALUE_OBJECT (*arg) = NULL;
+ − 1770 else
+ − 1771 {
+ − 1772 CHECK_GTK_OBJECT (obj);
+ − 1773 if (XGTK_OBJECT (obj)->alive_p)
+ − 1774 GTK_VALUE_OBJECT (*arg) = XGTK_OBJECT (obj)->object;
+ − 1775 else
563
+ − 1776 invalid_argument ("Attempting to pass dead object to GTK function", obj);
462
+ − 1777 }
+ − 1778 break;
+ − 1779
+ − 1780 default:
+ − 1781 if (GTK_FUNDAMENTAL_TYPE (arg->type) == GTK_TYPE_ARRAY)
+ − 1782 {
+ − 1783 if (NILP (obj))
+ − 1784 GTK_VALUE_POINTER(*arg) = NULL;
+ − 1785 else
+ − 1786 {
+ − 1787 xemacs_list_to_array (obj, arg);
+ − 1788 }
+ − 1789 }
+ − 1790 else if (GTK_FUNDAMENTAL_TYPE (arg->type) == GTK_TYPE_LISTOF)
+ − 1791 {
+ − 1792 if (NILP (obj))
+ − 1793 GTK_VALUE_POINTER(*arg) = NULL;
+ − 1794 else
+ − 1795 {
+ − 1796 xemacs_list_to_gtklist (obj, arg);
+ − 1797 }
+ − 1798 }
+ − 1799 else
+ − 1800 {
+ − 1801 stderr_out ("Do not know how to convert `%s' from lisp!\n", gtk_type_name (arg->type));
+ − 1802 abort();
+ − 1803 }
+ − 1804 break;
+ − 1805 }
+ − 1806
+ − 1807 return (0);
+ − 1808 }
+ − 1809
+ − 1810 /* This is used in glyphs-gtk.c as well */
+ − 1811 static Lisp_Object
+ − 1812 get_enumeration (GtkType t)
+ − 1813 {
+ − 1814 Lisp_Object alist;
+ − 1815
+ − 1816 if (NILP (Venumeration_info))
+ − 1817 {
+ − 1818 Venumeration_info = call2 (intern ("make-hashtable"), make_int (100), Qequal);
+ − 1819 }
+ − 1820
+ − 1821 alist = Fgethash (make_int (t), Venumeration_info, Qnil);
+ − 1822
+ − 1823 if (NILP (alist))
+ − 1824 {
+ − 1825 import_gtk_enumeration_internal (t);
+ − 1826 alist = Fgethash (make_int (t), Venumeration_info, Qnil);
+ − 1827 }
+ − 1828 return (alist);
+ − 1829 }
+ − 1830
+ − 1831 guint
+ − 1832 symbol_to_enum (Lisp_Object obj, GtkType t)
+ − 1833 {
+ − 1834 Lisp_Object alist = get_enumeration (t);
+ − 1835 Lisp_Object value = Qnil;
+ − 1836
+ − 1837 if (NILP (alist))
+ − 1838 {
563
+ − 1839 invalid_argument ("Unknown enumeration", build_string (gtk_type_name (t)));
462
+ − 1840 }
+ − 1841
+ − 1842 value = Fassq (obj, alist);
+ − 1843
+ − 1844 if (NILP (value))
+ − 1845 {
563
+ − 1846 invalid_argument ("Unknown value", obj);
462
+ − 1847 }
+ − 1848
+ − 1849 CHECK_INT (XCDR (value));
+ − 1850
+ − 1851 return (XINT (XCDR (value)));
+ − 1852 }
+ − 1853
+ − 1854 static guint
+ − 1855 lisp_to_flag (Lisp_Object obj, GtkType t)
+ − 1856 {
+ − 1857 guint val = 0;
+ − 1858
+ − 1859 if (NILP (obj))
+ − 1860 {
+ − 1861 /* Do nothing */
+ − 1862 }
+ − 1863 else if (SYMBOLP (obj))
+ − 1864 {
+ − 1865 val = symbol_to_enum (obj, t);
+ − 1866 }
+ − 1867 else if (LISTP (obj))
+ − 1868 {
+ − 1869 while (!NILP (obj))
+ − 1870 {
+ − 1871 val |= symbol_to_enum (XCAR (obj), t);
+ − 1872 obj = XCDR (obj);
+ − 1873 }
+ − 1874 }
+ − 1875 else
+ − 1876 {
+ − 1877 /* abort ()? */
+ − 1878 }
+ − 1879 return (val);
+ − 1880 }
+ − 1881
+ − 1882 static Lisp_Object
+ − 1883 flags_to_list (guint value, GtkType t)
+ − 1884 {
+ − 1885 Lisp_Object rval = Qnil;
+ − 1886 Lisp_Object alist = get_enumeration (t);
+ − 1887
+ − 1888 while (!NILP (alist))
+ − 1889 {
+ − 1890 if (value & XINT (XCDR (XCAR (alist))))
+ − 1891 {
+ − 1892 rval = Fcons (XCAR (XCAR (alist)), rval);
+ − 1893 value &= ~(XINT (XCDR (XCAR (alist))));
+ − 1894 }
+ − 1895 alist = XCDR (alist);
+ − 1896 }
+ − 1897 return (rval);
+ − 1898 }
+ − 1899
+ − 1900 static Lisp_Object
+ − 1901 enum_to_symbol (guint value, GtkType t)
+ − 1902 {
+ − 1903 Lisp_Object alist = get_enumeration (t);
+ − 1904 Lisp_Object cell = Qnil;
+ − 1905
+ − 1906 if (NILP (alist))
+ − 1907 {
563
+ − 1908 invalid_argument ("Unknown enumeration", build_string (gtk_type_name (t)));
462
+ − 1909 }
+ − 1910
+ − 1911 cell = Frassq (make_int (value), alist);
+ − 1912
+ − 1913 return (NILP (cell) ? Qnil : XCAR (cell));
+ − 1914 }