428
+ − 1 /* The lwlib interface to Motif widgets.
+ − 2 Copyright (C) 1992, 1993, 1994 Lucid, Inc.
+ − 3 Copyright (C) 1995 Tinker Systems and INS Engineering Corp.
+ − 4
+ − 5 This file is part of the Lucid Widget Library.
+ − 6
+ − 7 The Lucid Widget Library is free software; you can redistribute it and/or
+ − 8 modify it under the terms of the GNU General Public License as published by
+ − 9 the Free Software Foundation; either version 2, or (at your option)
+ − 10 any later version.
+ − 11
+ − 12 The Lucid Widget Library is distributed in the hope that it will be useful,
+ − 13 but WITHOUT ANY WARRANTY; without even the implied warranty of
+ − 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ − 15 GNU General Public License for more details.
+ − 16
+ − 17 You should have received a copy of the GNU General Public License
+ − 18 along with XEmacs; see the file COPYING. If not, write to
+ − 19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ − 20 Boston, MA 02111-1307, USA. */
+ − 21
+ − 22 #include <config.h>
+ − 23 #include <stdlib.h>
+ − 24 #include <string.h>
+ − 25 #include <stdio.h>
+ − 26 #include <limits.h>
+ − 27 #ifdef HAVE_UNISTD_H
+ − 28 #include <unistd.h>
+ − 29 #endif
+ − 30
+ − 31 #include <X11/StringDefs.h>
+ − 32 #include <X11/IntrinsicP.h>
+ − 33 #include <X11/ObjectP.h>
+ − 34 #include <X11/CoreP.h>
+ − 35 #include <X11/CompositeP.h>
+ − 36
+ − 37 #include "lwlib-Xm.h"
+ − 38 #include "lwlib-utils.h"
+ − 39
+ − 40 #include <Xm/Xm.h>
+ − 41 #include <Xm/BulletinB.h>
+ − 42 #include <Xm/CascadeB.h>
+ − 43 #include <Xm/DrawingA.h>
+ − 44 #include <Xm/FileSB.h>
+ − 45 #include <Xm/Label.h>
+ − 46 #include <Xm/List.h>
+ − 47 #include <Xm/MenuShell.h>
+ − 48 #include <Xm/MessageB.h>
+ − 49 #include <Xm/PushB.h>
+ − 50 #include <Xm/PushBG.h>
+ − 51 #include <Xm/ArrowB.h>
+ − 52 #include <Xm/ScrollBar.h>
+ − 53 #include <Xm/SelectioB.h>
+ − 54 #include <Xm/Text.h>
+ − 55 #include <Xm/TextF.h>
+ − 56 #include <Xm/ToggleB.h>
+ − 57 #include <Xm/ToggleBG.h>
+ − 58 #include <Xm/RowColumn.h>
+ − 59 #include <Xm/ScrolledW.h>
+ − 60 #include <Xm/Separator.h>
+ − 61 #include <Xm/DialogS.h>
+ − 62 #include <Xm/Form.h>
+ − 63 #ifdef LWLIB_WIDGETS_MOTIF
+ − 64 #include <Xm/Scale.h>
+ − 65 #if XmVERSION > 1
+ − 66 #include <Xm/ComboBoxP.h>
+ − 67 #endif
+ − 68 #endif
+ − 69
+ − 70 #ifdef LWLIB_MENUBARS_MOTIF
+ − 71 static void xm_pull_down_callback (Widget, XtPointer, XtPointer);
+ − 72 #endif
+ − 73 static void xm_internal_update_other_instances (Widget, XtPointer,
+ − 74 XtPointer);
1261
+ − 75 /* static void xm_pop_down_callback (Widget, XtPointer, XtPointer); */
428
+ − 76 static void xm_generic_callback (Widget, XtPointer, XtPointer);
2286
+ − 77 #if defined (LWLIB_DIALOGS_MOTIF) || defined (LWLIB_WIDGETS_MOTIF)
428
+ − 78 static void mark_dead_instance_destroyed (Widget widget, XtPointer closure,
+ − 79 XtPointer call_data);
+ − 80 static void xm_nosel_callback (Widget, XtPointer, XtPointer);
+ − 81 #endif
+ − 82 #ifdef LWLIB_SCROLLBARS_MOTIF
+ − 83 static void xm_scrollbar_callback (Widget, XtPointer, XtPointer);
+ − 84 #endif
+ − 85
+ − 86 #ifdef LWLIB_MENUBARS_MOTIF
+ − 87 static void
+ − 88 xm_update_menu (widget_instance* instance, Widget widget, widget_value* val,
+ − 89 Boolean deep_p);
+ − 90 #endif
+ − 91
+ − 92 /* Structures to keep destroyed instances */
+ − 93 typedef struct _destroyed_instance
+ − 94 {
+ − 95 char* name;
+ − 96 char* type;
+ − 97 Widget widget;
+ − 98 Widget parent;
+ − 99 Boolean pop_up_p;
+ − 100 struct _destroyed_instance* next;
+ − 101 } destroyed_instance;
+ − 102
+ − 103 static destroyed_instance*
+ − 104 all_destroyed_instances = NULL;
+ − 105
+ − 106 /* Utility function. */
+ − 107 static char *
+ − 108 safe_strdup (char* s)
+ − 109 {
+ − 110 char *result;
+ − 111 if (! s) return 0;
+ − 112 result = (char *) malloc (strlen (s) + 1);
+ − 113 if (! result)
+ − 114 return 0;
+ − 115 strcpy (result, s);
+ − 116 return result;
+ − 117 }
+ − 118
+ − 119 static destroyed_instance*
+ − 120 make_destroyed_instance (char* name, char* type, Widget widget, Widget parent,
+ − 121 Boolean pop_up_p)
+ − 122 {
+ − 123 destroyed_instance* instance =
+ − 124 (destroyed_instance*) malloc (sizeof (destroyed_instance));
+ − 125 instance->name = safe_strdup (name);
+ − 126 instance->type = safe_strdup (type);
+ − 127 instance->widget = widget;
+ − 128 instance->parent = parent;
+ − 129 instance->pop_up_p = pop_up_p;
+ − 130 instance->next = NULL;
+ − 131 return instance;
+ − 132 }
+ − 133
1330
+ − 134 #ifdef LWLIB_DIALOGS_MOTIF
+ − 135
428
+ − 136 static void
+ − 137 free_destroyed_instance (destroyed_instance* instance)
+ − 138 {
+ − 139 free (instance->name);
+ − 140 free (instance->type);
+ − 141 free (instance);
+ − 142 }
+ − 143
1330
+ − 144 #endif /* LWLIB_DIALOGS_MOTIF */
+ − 145
428
+ − 146 /* motif utility functions */
+ − 147 Widget
+ − 148 first_child (Widget widget)
+ − 149 {
+ − 150 return ((CompositeWidget)widget)->composite.children [0];
+ − 151 }
+ − 152
+ − 153 Boolean
+ − 154 lw_motif_widget_p (Widget widget)
+ − 155 {
+ − 156 return
+ − 157 #ifdef LWLIB_DIALOGS_MOTIF
+ − 158 XtClass (widget) == xmDialogShellWidgetClass ||
+ − 159 #endif
+ − 160 XmIsPrimitive (widget) || XmIsManager (widget) || XmIsGadget (widget);
+ − 161 }
+ − 162
+ − 163 static char *
+ − 164 resource_string (Widget widget, char *name)
+ − 165 {
+ − 166 XtResource resource;
+ − 167 char *result = NULL;
+ − 168
+ − 169 resource.resource_name = "labelString";
+ − 170 resource.resource_class = "LabelString"; /* #### should be Xmsomething... */
+ − 171 resource.resource_type = XtRString;
+ − 172 resource.resource_size = sizeof (String);
+ − 173 resource.resource_offset = 0;
+ − 174 resource.default_type = XtRImmediate;
+ − 175 resource.default_addr = 0;
+ − 176
+ − 177 XtGetSubresources (widget, (XtPointer)&result, name,
+ − 178 name, &resource, 1, NULL, 0);
+ − 179 return result;
+ − 180 }
+ − 181
+ − 182
+ − 183
+ − 184 #ifdef LWLIB_DIALOGS_MOTIF
+ − 185
+ − 186 static Boolean
+ − 187 is_in_dialog_box (Widget w)
+ − 188 {
+ − 189 Widget wmshell;
+ − 190
+ − 191 wmshell = XtParent (w);
+ − 192 while (wmshell && (XtClass (wmshell) != xmDialogShellWidgetClass))
+ − 193 wmshell = XtParent (wmshell);
+ − 194
+ − 195 if (wmshell && XtClass (wmshell) == xmDialogShellWidgetClass)
+ − 196 return True;
+ − 197 else
+ − 198 return False;
+ − 199 }
+ − 200
+ − 201 #endif /* LWLIB_DIALOGS_MOTIF */
+ − 202
+ − 203 #if defined (LWLIB_DIALOGS_MOTIF) || defined (LWLIB_MENUBARS_MOTIF) || defined (LWLIB_WIDGETS_MOTIF)
+ − 204
+ − 205 /* update the label of anything subclass of a label */
+ − 206 static void
2311
+ − 207 xm_update_label (widget_instance* UNUSED (instance), Widget widget,
+ − 208 widget_value* val)
428
+ − 209 {
+ − 210 XmString built_string = NULL;
+ − 211 XmString key_string = NULL;
+ − 212 XmString val_string = NULL;
+ − 213 XmString name_string = NULL;
+ − 214 Arg al [20];
+ − 215 int ac = 0;
+ − 216 int type;
+ − 217
+ − 218 /* Don't clobber pixmap types. */
+ − 219 XtSetArg (al [0], XmNlabelType, &type);
+ − 220 XtGetValues (widget, al, 1);
+ − 221
+ − 222 if (type == XmPIXMAP)
+ − 223 return;
+ − 224
+ − 225 if (val->value)
+ − 226 {
446
+ − 227 /* #### Temporary fix. I though Motif was supposed to grok %_
+ − 228 type things. */
+ − 229 lw_remove_accelerator_spec (val->value);
+ − 230
428
+ − 231 #ifdef LWLIB_DIALOGS_MOTIF
+ − 232 /*
+ − 233 * Sigh. The main text of a label is the name field for menubar
+ − 234 * entries. The value field is a possible additional field to be
+ − 235 * concatenated on to the name field. HOWEVER, with dialog boxes
+ − 236 * the value field is the complete text which is supposed to be
+ − 237 * displayed as the label. Yuck.
+ − 238 */
+ − 239 if (is_in_dialog_box (widget))
+ − 240 {
+ − 241 char *value_name = NULL;
+ − 242
+ − 243 value_name = resource_string (widget, val->value);
+ − 244 if (!value_name)
+ − 245 value_name = val->value;
+ − 246
+ − 247 built_string =
+ − 248 XmStringCreateLtoR (value_name, XmSTRING_DEFAULT_CHARSET);
+ − 249 }
+ − 250 else
+ − 251 #endif /* LWLIB_DIALOGS_MOTIF */
+ − 252 {
+ − 253 char *value_name = NULL;
+ − 254 char *res_name = NULL;
+ − 255
+ − 256 res_name = resource_string (widget, val->name);
+ − 257 /* Concatenating the value with itself seems just plain daft. */
+ − 258 if (!res_name)
+ − 259 {
+ − 260 built_string =
+ − 261 XmStringCreateLtoR (val->value, XmSTRING_DEFAULT_CHARSET);
+ − 262 }
+ − 263 else
+ − 264 {
+ − 265 name_string =
+ − 266 XmStringCreateLtoR (res_name, XmSTRING_DEFAULT_CHARSET);
442
+ − 267
428
+ − 268 value_name = XtMalloc (strlen (val->value) + 2);
+ − 269 *value_name = 0;
+ − 270 strcat (value_name, " ");
+ − 271 strcat (value_name, val->value);
442
+ − 272
428
+ − 273 val_string =
+ − 274 XmStringCreateLtoR (value_name, XmSTRING_DEFAULT_CHARSET);
442
+ − 275
428
+ − 276 built_string =
+ − 277 XmStringConcat (name_string, val_string);
442
+ − 278
428
+ − 279 XtFree (value_name);
+ − 280 }
+ − 281 }
+ − 282
+ − 283 XtSetArg (al [ac], XmNlabelString, built_string); ac++;
+ − 284 XtSetArg (al [ac], XmNlabelType, XmSTRING); ac++;
+ − 285 }
+ − 286
+ − 287 if (val->key)
+ − 288 {
+ − 289 key_string = XmStringCreateLtoR (val->key, XmSTRING_DEFAULT_CHARSET);
+ − 290 XtSetArg (al [ac], XmNacceleratorText, key_string); ac++;
+ − 291 }
+ − 292
+ − 293 if (ac)
+ − 294 XtSetValues (widget, al, ac);
+ − 295
+ − 296 if (built_string)
+ − 297 XmStringFree (built_string);
+ − 298
+ − 299 if (key_string)
+ − 300 XmStringFree (key_string);
+ − 301
+ − 302 if (name_string)
+ − 303 XmStringFree (name_string);
+ − 304
+ − 305 if (val_string)
+ − 306 XmStringFree (val_string);
+ − 307 }
+ − 308
903
+ − 309 static void
+ − 310 xm_safe_update_label (widget_instance* instance, Widget widget, widget_value* val)
+ − 311 {
+ − 312 /* Don't clobber non-labels. */
+ − 313 if (XtIsSubclass (widget, xmLabelWidgetClass))
+ − 314 xm_update_label (instance, widget, val);
+ − 315 }
+ − 316
428
+ − 317 #endif /* defined (LWLIB_DIALOGS_MOTIF) || defined (LWLIB_MENUBARS_MOTIF) */
+ − 318
+ − 319 /* update of list */
+ − 320 static void
+ − 321 xm_update_list (widget_instance* instance, Widget widget, widget_value* val)
+ − 322 {
+ − 323 widget_value* cur;
+ − 324 int i;
+ − 325 XtRemoveAllCallbacks (widget, XmNsingleSelectionCallback);
+ − 326 XtAddCallback (widget, XmNsingleSelectionCallback, xm_generic_callback,
+ − 327 instance);
+ − 328 for (cur = val->contents, i = 0; cur; cur = cur->next)
+ − 329 if (cur->value)
+ − 330 {
+ − 331 XmString xmstr = XmStringCreate (cur->value, XmSTRING_DEFAULT_CHARSET);
+ − 332 i += 1;
+ − 333 XmListAddItem (widget, xmstr, 0);
+ − 334 if (cur->selected)
+ − 335 XmListSelectPos (widget, i, False);
+ − 336 XmStringFree (xmstr);
+ − 337 }
+ − 338 }
+ − 339
+ − 340 /* update of buttons */
+ − 341 static void
+ − 342 xm_update_pushbutton (widget_instance* instance, Widget widget,
2286
+ − 343 widget_value* UNUSED (val))
428
+ − 344 {
+ − 345 Arg al [1];
+ − 346 XtSetArg (al [0], XmNalignment, XmALIGNMENT_CENTER);
+ − 347 XtSetValues (widget, al, 1);
+ − 348 XtRemoveAllCallbacks (widget, XmNactivateCallback);
+ − 349 XtAddCallback (widget, XmNactivateCallback, xm_generic_callback, instance);
+ − 350 }
+ − 351
1281
+ − 352 #ifdef LWLIB_WIDGETS_MOTIF
639
+ − 353 static void
2311
+ − 354 xm_update_progress (widget_instance* UNUSED (instance), Widget scale,
+ − 355 widget_value* val)
639
+ − 356 {
+ − 357 Arg al[20];
+ − 358 int ac = 0;
+ − 359 Dimension height = 0;
+ − 360 Dimension width = 0;
+ − 361 if (!val->call_data)
+ − 362 {
+ − 363 XtSetArg (al [ac], XmNeditable, False); ac++;
+ − 364 }
+ − 365 else
+ − 366 {
+ − 367 XtSetArg (al [ac], XmNeditable, val->enabled); ac++;
+ − 368 }
+ − 369 height = (Dimension)lw_get_value_arg (val, XtNheight);
+ − 370 width = (Dimension)lw_get_value_arg (val, XtNwidth);
+ − 371 if (height > 0)
+ − 372 {
+ − 373 XtSetArg (al [ac], XmNscaleHeight, height); ac++;
+ − 374 }
+ − 375 if (width > 0)
+ − 376 {
+ − 377 XtSetArg (al [ac], XmNscaleWidth, width); ac++;
+ − 378 }
+ − 379
+ − 380 XtSetValues (scale, al, 1);
+ − 381 }
1281
+ − 382 #endif /* LWLIB_WIDGETS_MOTIF */
639
+ − 383
428
+ − 384 #ifdef LWLIB_MENUBARS_MOTIF
+ − 385
+ − 386 static void
+ − 387 xm_update_cascadebutton (widget_instance* instance, Widget widget,
+ − 388 widget_value* val)
+ − 389 {
+ − 390 /* Should also rebuild the menu by calling ...update_menu... */
+ − 391 if (val
+ − 392 && val->type == CASCADE_TYPE
+ − 393 && val->contents
+ − 394 && val->contents->type == INCREMENTAL_TYPE)
+ − 395 {
+ − 396 /* okay, we're now doing a lisp callback to incrementally generate
+ − 397 more of the menu. */
+ − 398 XtRemoveAllCallbacks (widget, XmNcascadingCallback);
+ − 399 XtAddCallback (widget, XmNcascadingCallback, xm_pull_down_callback,
+ − 400 instance);
+ − 401 XtCallCallbacks ((Widget)widget,
+ − 402 XmNcascadingCallback,
+ − 403 (XtPointer)val->contents);
+ − 404
+ − 405 } else {
+ − 406 XtRemoveAllCallbacks (widget, XmNcascadingCallback);
+ − 407 XtAddCallback (widget, XmNcascadingCallback, xm_pull_down_callback,
+ − 408 instance);
+ − 409 }
+ − 410 }
+ − 411
+ − 412 #endif /* LWLIB_MENUBARS_MOTIF */
+ − 413
+ − 414 /* update toggle and radiobox */
+ − 415 static void
+ − 416 xm_update_toggle (widget_instance* instance, Widget widget, widget_value* val)
+ − 417 {
+ − 418 Arg al [2];
+ − 419 XtRemoveAllCallbacks (widget, XmNvalueChangedCallback);
+ − 420 XtAddCallback (widget, XmNvalueChangedCallback, xm_generic_callback,
+ − 421 instance);
+ − 422 XtSetArg (al [0], XmNset, val->selected);
+ − 423 XtSetArg (al [1], XmNalignment, XmALIGNMENT_BEGINNING);
+ − 424 XtSetValues (widget, al, 1);
+ − 425 }
+ − 426
+ − 427 static void
+ − 428 xm_update_radiobox (widget_instance* instance, Widget widget,
+ − 429 widget_value* val)
+ − 430 {
+ − 431 Widget toggle;
+ − 432 widget_value* cur;
+ − 433
+ − 434 /* update the callback */
+ − 435 XtRemoveAllCallbacks (widget, XmNentryCallback);
+ − 436 XtAddCallback (widget, XmNentryCallback, xm_generic_callback, instance);
+ − 437
+ − 438 /* first update all the toggles */
+ − 439 /* Energize kernel interface is currently bad. It sets the selected widget
+ − 440 with the selected flag but returns it by its name. So we currently
+ − 441 have to support both setting the selection with the selected slot
+ − 442 of val contents and setting it with the "value" slot of val. The latter
+ − 443 has a higher priority. This to be removed when the kernel is fixed. */
+ − 444 for (cur = val->contents; cur; cur = cur->next)
+ − 445 {
+ − 446 toggle = XtNameToWidget (widget, cur->value);
+ − 447 if (toggle)
+ − 448 {
+ − 449 Arg al [2];
+ − 450 XtSetArg (al [0], XmNsensitive, cur->enabled);
+ − 451 XtSetArg (al [1], XmNset, (!val->value && cur->selected ? cur->selected : False));
+ − 452 XtSetValues (toggle, al, 2);
+ − 453 }
+ − 454 }
+ − 455
+ − 456 /* The selected was specified by the value slot */
+ − 457 if (val->value)
+ − 458 {
+ − 459 toggle = XtNameToWidget (widget, val->value);
+ − 460 if (toggle)
+ − 461 {
+ − 462 Arg al [1];
+ − 463 XtSetArg (al [0], XmNset, True);
+ − 464 XtSetValues (toggle, al, 1);
+ − 465 }
+ − 466 }
+ − 467 }
+ − 468
+ − 469 #if defined (LWLIB_WIDGETS_MOTIF) && XmVERSION > 1
+ − 470 /* update of combo box */
+ − 471 static void
+ − 472 xm_update_combo_box (widget_instance* instance, Widget widget, widget_value* val)
+ − 473 {
+ − 474 widget_value* cur;
+ − 475 int i;
+ − 476 XtRemoveAllCallbacks (widget, XmNselectionCallback);
+ − 477 XtAddCallback (widget, XmNselectionCallback, xm_generic_callback,
+ − 478 instance);
+ − 479 for (cur = val->contents, i = 0; cur; cur = cur->next)
+ − 480 if (cur->value)
+ − 481 {
+ − 482 XmString xmstr = XmStringCreate (cur->value, XmSTRING_DEFAULT_CHARSET);
+ − 483 i += 1;
+ − 484 XmListAddItem (CB_List (widget), xmstr, 0);
+ − 485 if (cur->selected)
+ − 486 XmListSelectPos (CB_List (widget), i, False);
+ − 487 XmStringFree (xmstr);
+ − 488 }
+ − 489 }
+ − 490 #endif
+ − 491
+ − 492 #ifdef LWLIB_MENUBARS_MOTIF
+ − 493
+ − 494 /* update a popup menu, pulldown menu or a menubar */
+ − 495 static void
+ − 496 make_menu_in_widget (widget_instance* instance, Widget widget,
+ − 497 widget_value* val)
+ − 498 {
+ − 499 Widget* children = 0;
+ − 500 int num_children;
+ − 501 int child_index;
+ − 502 widget_value* cur;
+ − 503 Widget button = 0;
+ − 504 Widget menu;
+ − 505 Arg al [256];
+ − 506 int ac;
+ − 507 Boolean menubar_p = False;
+ − 508
+ − 509 /* Allocate the children array */
+ − 510 for (num_children = 0, cur = val; cur; num_children++, cur = cur->next);
+ − 511 children = (Widget*)XtMalloc (num_children * sizeof (Widget));
+ − 512
+ − 513 /* tricky way to know if this RowColumn is a menubar or a pulldown... */
+ − 514 XtSetArg (al [0], XmNisHomogeneous, &menubar_p);
+ − 515 XtGetValues (widget, al, 1);
+ − 516
+ − 517 /* add the unmap callback for popups and pulldowns */
+ − 518 /*** this sounds bogus ***/
+ − 519 /* probably because it is -- cet */
+ − 520 /*
+ − 521 if (!menubar_p)
+ − 522 XtAddCallback (XtParent (widget), XmNpopdownCallback,
+ − 523 xm_pop_down_callback, (XtPointer)instance);
+ − 524 */
+ − 525
+ − 526 num_children = 0;
+ − 527 for (child_index = 0, cur = val; cur; child_index++, cur = cur->next)
+ − 528 {
+ − 529 ac = 0;
+ − 530 button = 0;
+ − 531 XtSetArg (al [ac], XmNsensitive, cur->enabled); ac++;
+ − 532 XtSetArg (al [ac], XmNalignment, XmALIGNMENT_BEGINNING); ac++;
+ − 533 XtSetArg (al [ac], XmNuserData, cur->call_data); ac++;
+ − 534
+ − 535 switch (cur->type)
+ − 536 {
+ − 537 case PUSHRIGHT_TYPE:
+ − 538 /* A pushright marker which is not needed for the real Motif
+ − 539 menubar. */
+ − 540 break;
+ − 541 case SEPARATOR_TYPE:
+ − 542 ac = 0;
+ − 543 if (cur->value)
+ − 544 {
+ − 545 /* #### - xlwmenu.h supports several types that motif does
+ − 546 not. Also, motif supports pixmaps w/ type NO_LINE and
+ − 547 lwlib provides no way to access that functionality. --Stig */
+ − 548 XtSetArg (al [ac], XmNseparatorType, cur->value), ac++;
+ − 549 }
+ − 550 button = XmCreateSeparator (widget, "separator", al, ac);
+ − 551 break;
+ − 552 case CASCADE_TYPE:
+ − 553 menu = XmCreatePulldownMenu (widget, "pulldown", NULL, 0);
+ − 554 make_menu_in_widget (instance, menu, cur->contents);
+ − 555 XtSetArg (al [ac], XmNsubMenuId, menu); ac++;
+ − 556 button = XmCreateCascadeButton (widget, cur->name, al, ac);
+ − 557
903
+ − 558 xm_safe_update_label (instance, button, cur);
428
+ − 559
+ − 560 XtAddCallback (button, XmNcascadingCallback, xm_pull_down_callback,
+ − 561 (XtPointer)instance);
+ − 562 break;
+ − 563 default:
+ − 564 if (menubar_p)
+ − 565 button = XmCreateCascadeButton (widget, cur->name, al, ac);
+ − 566 else if (!cur->call_data)
+ − 567 button = XmCreateLabel (widget, cur->name, al, ac);
+ − 568 else if (cur->type == TOGGLE_TYPE || cur->type == RADIO_TYPE)
+ − 569 {
+ − 570 XtSetArg (al [ac], XmNindicatorType,
+ − 571 (cur->type == TOGGLE_TYPE ?
+ − 572 XmN_OF_MANY : XmONE_OF_MANY)); ac++;
+ − 573 XtSetArg (al [ac], XmNvisibleWhenOff, True); ac++;
+ − 574 button = XmCreateToggleButtonGadget (widget, cur->name, al, ac);
+ − 575 }
+ − 576 else
+ − 577 button = XmCreatePushButtonGadget (widget, cur->name, al, ac);
+ − 578
903
+ − 579 xm_safe_update_label (instance, button, cur);
428
+ − 580
+ − 581 /* don't add a callback to a simple label */
+ − 582 if (cur->type == TOGGLE_TYPE || cur->type == RADIO_TYPE)
+ − 583 xm_update_toggle (instance, button, cur);
+ − 584 else if (cur->call_data)
+ − 585 XtAddCallback (button, XmNactivateCallback, xm_generic_callback,
+ − 586 (XtPointer)instance);
+ − 587 } /* switch (cur->type) */
+ − 588
+ − 589 if (button)
+ − 590 children [num_children++] = button;
+ − 591 }
+ − 592
+ − 593 /* Last entry is the help button. This used be done after managing
+ − 594 the buttons. The comment claimed that it had to be done this way
+ − 595 otherwise the menubar ended up only 4 pixels high. That must
+ − 596 have been in the Old World. In the New World it stays the proper
+ − 597 height if you don't manage them until after you set this and as a
+ − 598 bonus the Help menu ends up where it is supposed to. */
+ − 599 if (button)
+ − 600 {
+ − 601 ac = 0;
+ − 602 XtSetArg (al [ac], XmNmenuHelpWidget, button); ac++;
+ − 603 XtSetValues (widget, al, ac);
+ − 604 }
+ − 605
+ − 606 if (num_children)
+ − 607 XtManageChildren (children, num_children);
+ − 608
+ − 609 XtFree ((char *) children);
+ − 610 }
+ − 611
+ − 612 static void
+ − 613 update_one_menu_entry (widget_instance* instance, Widget widget,
+ − 614 widget_value* val, Boolean deep_p)
+ − 615 {
+ − 616 Arg al [2];
+ − 617 int ac;
+ − 618 Widget menu;
+ − 619 widget_value* contents;
+ − 620
+ − 621 if (val->change == NO_CHANGE)
+ − 622 return;
+ − 623
+ − 624 /* update the sensitivity and userdata */
+ − 625 /* Common to all widget types */
+ − 626 XtSetArg (al [0], XmNsensitive, val->enabled);
+ − 627 XtSetArg (al [1], XmNuserData, val->call_data);
+ − 628 XtSetValues (widget, al, 2);
+ − 629
+ − 630 /* update the menu button as a label. */
+ − 631 if (val->change >= VISIBLE_CHANGE)
+ − 632 {
903
+ − 633 xm_safe_update_label (instance, widget, val);
+ − 634
428
+ − 635 if (XtClass (widget) == xmToggleButtonWidgetClass
+ − 636 || XtClass (widget) == xmToggleButtonGadgetClass)
+ − 637 {
+ − 638 xm_update_toggle (instance, widget, val);
+ − 639 }
+ − 640 }
+ − 641
+ − 642
+ − 643 /* update the pulldown/pullaside as needed */
+ − 644 menu = NULL;
+ − 645 XtSetArg (al [0], XmNsubMenuId, &menu);
+ − 646 XtGetValues (widget, al, 1);
+ − 647
+ − 648 contents = val->contents;
+ − 649
+ − 650 if (!menu)
+ − 651 {
+ − 652 if (contents)
+ − 653 {
+ − 654 menu = XmCreatePulldownMenu (widget, "pulldown", NULL, 0);
+ − 655 make_menu_in_widget (instance, menu, contents);
+ − 656 ac = 0;
+ − 657 XtSetArg (al [ac], XmNsubMenuId, menu); ac++;
+ − 658 XtSetValues (widget, al, ac);
+ − 659 }
+ − 660 }
+ − 661 else if (!contents)
+ − 662 {
+ − 663 ac = 0;
+ − 664 XtSetArg (al [ac], XmNsubMenuId, NULL); ac++;
+ − 665 XtSetValues (widget, al, ac);
+ − 666 XtDestroyWidget (menu);
+ − 667 }
+ − 668 else if (deep_p && contents->change != NO_CHANGE)
+ − 669 xm_update_menu (instance, menu, val, 1);
+ − 670 }
+ − 671
+ − 672 static void
+ − 673 xm_update_menu (widget_instance* instance, Widget widget, widget_value* val,
+ − 674 Boolean deep_p)
+ − 675 {
+ − 676 /* Widget is a RowColumn widget whose contents have to be updated
+ − 677 * to reflect the list of items in val->contents */
+ − 678 if (val->contents->change == STRUCTURAL_CHANGE)
+ − 679 {
+ − 680 destroy_all_children (widget);
+ − 681 make_menu_in_widget (instance, widget, val->contents);
+ − 682 }
+ − 683 else
+ − 684 {
+ − 685 /* Update all the buttons of the RowColumn in order. */
+ − 686 Widget* children;
+ − 687 unsigned int num_children;
+ − 688 int i;
+ − 689 widget_value *cur = 0;
+ − 690
+ − 691 children = XtCompositeChildren (widget, &num_children);
+ − 692 if (children)
+ − 693 {
+ − 694 for (i = 0, cur = val->contents; i < num_children; i++)
+ − 695 {
+ − 696 if (!cur)
+ − 697 abort ();
+ − 698 /* skip if this is a pushright marker or a separator */
+ − 699 if (cur->type == PUSHRIGHT_TYPE || cur->type == SEPARATOR_TYPE)
+ − 700 {
+ − 701 cur = cur->next;
+ − 702 #if 0
+ − 703 /* #### - this could puke if you have a separator as the
+ − 704 last item on a pullright menu. */
+ − 705 if (!cur)
+ − 706 abort ();
+ − 707 #else
+ − 708 if (!cur)
+ − 709 continue;
+ − 710 #endif
+ − 711 }
+ − 712 if (children [i]->core.being_destroyed
+ − 713 || strcmp (XtName (children [i]), cur->name))
+ − 714 continue;
+ − 715 update_one_menu_entry (instance, children [i], cur, deep_p);
+ − 716 cur = cur->next;
+ − 717 }
+ − 718 XtFree ((char *) children);
+ − 719 }
+ − 720 if (cur)
+ − 721 abort ();
+ − 722 }
+ − 723 }
+ − 724
+ − 725 #endif /* LWLIB_MENUBARS_MOTIF */
+ − 726
+ − 727
+ − 728 /* update text widgets */
+ − 729
+ − 730 static void
+ − 731 xm_update_text (widget_instance* instance, Widget widget, widget_value* val)
+ − 732 {
438
+ − 733 XmTextSetString (widget, val->value ? val->value : (char *) "");
428
+ − 734 XtRemoveAllCallbacks (widget, XmNactivateCallback);
+ − 735 XtAddCallback (widget, XmNactivateCallback, xm_generic_callback, instance);
+ − 736 XtRemoveAllCallbacks (widget, XmNvalueChangedCallback);
+ − 737 XtAddCallback (widget, XmNvalueChangedCallback,
+ − 738 xm_internal_update_other_instances, instance);
+ − 739 }
+ − 740
+ − 741 static void
+ − 742 xm_update_text_field (widget_instance* instance, Widget widget,
+ − 743 widget_value* val)
+ − 744 {
438
+ − 745 XmTextFieldSetString (widget, val->value ? val->value : (char *) "");
428
+ − 746 XtRemoveAllCallbacks (widget, XmNactivateCallback);
+ − 747 XtAddCallback (widget, XmNactivateCallback, xm_generic_callback, instance);
+ − 748 XtRemoveAllCallbacks (widget, XmNvalueChangedCallback);
+ − 749 XtAddCallback (widget, XmNvalueChangedCallback,
+ − 750 xm_internal_update_other_instances, instance);
+ − 751 }
+ − 752
+ − 753
+ − 754 #ifdef LWLIB_SCROLLBARS_MOTIF
+ − 755
+ − 756 /*
+ − 757 * If this function looks like it does a lot more work than it needs to,
+ − 758 * you're right. Blame the Motif scrollbar for not being smart about
+ − 759 * updating its appearance.
+ − 760 */
+ − 761 static void
+ − 762 xm_update_scrollbar (widget_instance *instance, Widget widget,
+ − 763 widget_value *val)
+ − 764 {
+ − 765 if (val->scrollbar_data)
+ − 766 {
+ − 767 scrollbar_values *data = val->scrollbar_data;
+ − 768 int widget_sliderSize, widget_val;
+ − 769 int new_sliderSize, new_value;
+ − 770 double percent;
+ − 771 double h_water, l_water;
+ − 772 Arg al [4];
+ − 773
+ − 774 /* First size and position the scrollbar widget. */
+ − 775 XtSetArg (al [0], XtNx, data->scrollbar_x);
+ − 776 XtSetArg (al [1], XtNy, data->scrollbar_y);
+ − 777 XtSetArg (al [2], XtNwidth, data->scrollbar_width);
+ − 778 XtSetArg (al [3], XtNheight, data->scrollbar_height);
+ − 779 XtSetValues (widget, al, 4);
+ − 780
+ − 781 /* Now size the scrollbar's slider. */
+ − 782 XtSetArg (al [0], XmNsliderSize, &widget_sliderSize);
+ − 783 XtSetArg (al [1], XmNvalue, &widget_val);
+ − 784 XtGetValues (widget, al, 2);
+ − 785
+ − 786 percent = (double) data->slider_size /
+ − 787 (double) (data->maximum - data->minimum);
+ − 788 new_sliderSize = (int) ((double) (INT_MAX - 1) * percent);
+ − 789
+ − 790 percent = (double) (data->slider_position - data->minimum) /
+ − 791 (double) (data->maximum - data->minimum);
+ − 792 new_value = (int) ((double) (INT_MAX - 1) * percent);
+ − 793
+ − 794 if (new_sliderSize > (INT_MAX - 1))
+ − 795 new_sliderSize = INT_MAX - 1;
+ − 796 else if (new_sliderSize < 1)
+ − 797 new_sliderSize = 1;
+ − 798
+ − 799 if (new_value > (INT_MAX - new_sliderSize))
+ − 800 new_value = INT_MAX - new_sliderSize;
+ − 801 else if (new_value < 1)
+ − 802 new_value = 1;
+ − 803
+ − 804 h_water = 1.05;
+ − 805 l_water = 0.95;
+ − 806 if (new_sliderSize != widget_sliderSize || new_value != widget_val)
+ − 807 {
+ − 808 int force = ((INT_MAX - widget_sliderSize - widget_val)
+ − 809 ? 0
+ − 810 : (INT_MAX - new_sliderSize - new_value));
+ − 811
+ − 812 if (force
+ − 813 || (double)new_sliderSize < (l_water * (double)widget_sliderSize)
+ − 814 || (double)new_sliderSize > (h_water * (double)widget_sliderSize)
+ − 815 || (double)new_value < (l_water * (double)widget_val)
+ − 816 || (double)new_value > (h_water * (double)widget_val))
+ − 817 {
+ − 818 XmScrollBarSetValues (widget, new_value, new_sliderSize, 1, 1,
+ − 819 False);
+ − 820 }
+ − 821 }
+ − 822 }
+ − 823 }
+ − 824
+ − 825 #endif /* LWLIB_SCROLLBARS_MOTIF */
+ − 826
+ − 827
+ − 828 /* update a motif widget */
+ − 829
+ − 830 void
+ − 831 xm_update_one_widget (widget_instance* instance, Widget widget,
2286
+ − 832 widget_value* val,
+ − 833 #ifdef LWLIB_MENUBARS_MOTIF
+ − 834 Boolean deep_p
+ − 835 #else
+ − 836 Boolean UNUSED (deep_p)
+ − 837 #endif
+ − 838 )
428
+ − 839 {
1201
+ − 840 WidgetClass class_;
428
+ − 841 Arg al [20];
+ − 842 int ac = 0;
+ − 843
+ − 844 /* Mark as not edited */
+ − 845 val->edited = False;
+ − 846
+ − 847 /* Common to all widget types */
+ − 848 XtSetArg (al [ac], XmNsensitive, val->enabled); ac++;
+ − 849 XtSetArg (al [ac], XmNuserData, val->call_data); ac++;
+ − 850 XtSetValues (widget, al, ac);
+ − 851
+ − 852 #if defined (LWLIB_DIALOGS_MOTIF) || defined (LWLIB_MENUBARS_MOTIF) || defined (LWLIB_WIDGETS_MOTIF)
+ − 853 /* Common to all label like widgets */
903
+ − 854 xm_safe_update_label (instance, widget, val);
428
+ − 855 #endif
1201
+ − 856 class_ = XtClass (widget);
428
+ − 857 /* Class specific things */
1201
+ − 858 if (class_ == xmPushButtonWidgetClass ||
+ − 859 class_ == xmArrowButtonWidgetClass)
428
+ − 860 {
+ − 861 xm_update_pushbutton (instance, widget, val);
+ − 862 }
+ − 863 #ifdef LWLIB_MENUBARS_MOTIF
1201
+ − 864 else if (class_ == xmCascadeButtonWidgetClass)
428
+ − 865 {
+ − 866 xm_update_cascadebutton (instance, widget, val);
+ − 867 }
+ − 868 #endif
1201
+ − 869 else if (class_ == xmToggleButtonWidgetClass
+ − 870 || class_ == xmToggleButtonGadgetClass)
428
+ − 871 {
+ − 872 xm_update_toggle (instance, widget, val);
+ − 873 }
1201
+ − 874 else if (class_ == xmRowColumnWidgetClass)
428
+ − 875 {
+ − 876 Boolean radiobox = 0;
+ − 877
+ − 878 XtSetArg (al [0], XmNradioBehavior, &radiobox);
+ − 879 XtGetValues (widget, al, 1);
+ − 880
+ − 881 if (radiobox)
+ − 882 xm_update_radiobox (instance, widget, val);
+ − 883 #ifdef LWLIB_MENUBARS_MOTIF
+ − 884 else
+ − 885 xm_update_menu (instance, widget, val, deep_p);
+ − 886 #endif
+ − 887 }
1201
+ − 888 else if (class_ == xmTextWidgetClass)
428
+ − 889 {
+ − 890 xm_update_text (instance, widget, val);
+ − 891 }
1201
+ − 892 else if (class_ == xmTextFieldWidgetClass)
428
+ − 893 {
+ − 894 xm_update_text_field (instance, widget, val);
+ − 895 }
1201
+ − 896 else if (class_ == xmListWidgetClass)
428
+ − 897 {
+ − 898 xm_update_list (instance, widget, val);
+ − 899 }
+ − 900 #if defined (LWLIB_WIDGETS_MOTIF) && XmVERSION > 1
1201
+ − 901 else if (class_ == xmComboBoxWidgetClass)
428
+ − 902 {
+ − 903 xm_update_combo_box (instance, widget, val);
+ − 904 }
+ − 905 #endif
+ − 906 #ifdef LWLIB_SCROLLBARS_MOTIF
1201
+ − 907 else if (class_ == xmScrollBarWidgetClass)
428
+ − 908 {
+ − 909 xm_update_scrollbar (instance, widget, val);
+ − 910 }
+ − 911 #endif
1458
+ − 912 #ifdef LWLIB_WIDGETS_MOTIF
1201
+ − 913 else if (class_ == xmScaleWidgetClass)
639
+ − 914 {
+ − 915 xm_update_progress (instance, widget, val);
+ − 916 }
1458
+ − 917 #endif
442
+ − 918 /* Lastly update our global arg values. */
+ − 919 if (val->args && val->args->nargs)
+ − 920 XtSetValues (widget, val->args->args, val->args->nargs);
428
+ − 921 }
+ − 922
+ − 923 /* getting the value back */
+ − 924 void
+ − 925 xm_update_one_value (widget_instance* instance, Widget widget,
+ − 926 widget_value* val)
+ − 927 {
1201
+ − 928 WidgetClass class_ = XtClass (widget);
428
+ − 929 widget_value *old_wv;
+ − 930
+ − 931 /* copy the call_data slot into the "return" widget_value */
+ − 932 for (old_wv = instance->info->val->contents; old_wv; old_wv = old_wv->next)
+ − 933 if (!strcmp (val->name, old_wv->name))
+ − 934 {
+ − 935 val->call_data = old_wv->call_data;
+ − 936 break;
+ − 937 }
+ − 938
1201
+ − 939 if (class_ == xmToggleButtonWidgetClass || class_ == xmToggleButtonGadgetClass)
428
+ − 940 {
+ − 941 Arg al [1];
+ − 942 XtSetArg (al [0], XmNset, &val->selected);
+ − 943 XtGetValues (widget, al, 1);
+ − 944 val->edited = True;
+ − 945 }
1201
+ − 946 else if (class_ == xmTextWidgetClass)
428
+ − 947 {
+ − 948 if (val->value)
458
+ − 949 XtFree (val->value);
428
+ − 950 val->value = XmTextGetString (widget);
+ − 951 val->edited = True;
+ − 952 }
1201
+ − 953 else if (class_ == xmTextFieldWidgetClass)
428
+ − 954 {
+ − 955 if (val->value)
458
+ − 956 XtFree (val->value);
428
+ − 957 val->value = XmTextFieldGetString (widget);
+ − 958 val->edited = True;
+ − 959 }
1201
+ − 960 else if (class_ == xmRowColumnWidgetClass)
428
+ − 961 {
+ − 962 Boolean radiobox = 0;
+ − 963 {
+ − 964 Arg al [1];
+ − 965 XtSetArg (al [0], XmNradioBehavior, &radiobox);
+ − 966 XtGetValues (widget, al, 1);
+ − 967 }
+ − 968
+ − 969 if (radiobox)
+ − 970 {
+ − 971 CompositeWidget radio = (CompositeWidget)widget;
639
+ − 972 unsigned int i;
428
+ − 973 for (i = 0; i < radio->composite.num_children; i++)
+ − 974 {
+ − 975 int set = False;
+ − 976 Widget toggle = radio->composite.children [i];
+ − 977 Arg al [1];
+ − 978
+ − 979 XtSetArg (al [0], XmNset, &set);
+ − 980 XtGetValues (toggle, al, 1);
+ − 981 if (set)
+ − 982 {
+ − 983 if (val->value)
+ − 984 free (val->value);
+ − 985 val->value = safe_strdup (XtName (toggle));
+ − 986 }
+ − 987 }
+ − 988 val->edited = True;
+ − 989 }
+ − 990 }
1201
+ − 991 else if (class_ == xmListWidgetClass
428
+ − 992 #if defined (LWLIB_WIDGETS_MOTIF) && XmVERSION > 1
1201
+ − 993 || class_ == xmComboBoxWidgetClass
428
+ − 994 #endif
+ − 995 )
+ − 996 {
+ − 997 int pos_cnt;
+ − 998 int* pos_list;
+ − 999 Widget list = widget;
+ − 1000 #if defined (LWLIB_WIDGETS_MOTIF) && XmVERSION > 1
1201
+ − 1001 if (class_ == xmComboBoxWidgetClass)
428
+ − 1002 list = CB_List (widget);
+ − 1003 #endif
+ − 1004 if (XmListGetSelectedPos (list, &pos_list, &pos_cnt))
+ − 1005 {
+ − 1006 int i;
+ − 1007 widget_value* cur;
+ − 1008 for (cur = val->contents, i = 0; cur; cur = cur->next)
+ − 1009 if (cur->value)
+ − 1010 {
+ − 1011 int j;
+ − 1012 cur->selected = False;
+ − 1013 i += 1;
+ − 1014 for (j = 0; j < pos_cnt; j++)
+ − 1015 if (pos_list [j] == i)
+ − 1016 {
+ − 1017 cur->selected = True;
+ − 1018 val->value = safe_strdup (cur->name);
+ − 1019 }
+ − 1020 }
+ − 1021 val->edited = 1;
+ − 1022 XtFree ((char *) pos_list);
+ − 1023 }
+ − 1024 }
+ − 1025 #ifdef LWLIB_SCROLLBARS_MOTIF
1201
+ − 1026 else if (class_ == xmScrollBarWidgetClass)
428
+ − 1027 {
+ − 1028 /* This function is not used by the scrollbar. */
+ − 1029 return;
+ − 1030 }
+ − 1031 #endif
+ − 1032 }
+ − 1033
+ − 1034
1330
+ − 1035 #ifdef LWLIB_DIALOGS_MOTIF
+ − 1036
428
+ − 1037 /* This function is for activating a button from a program. It's wrong because
+ − 1038 we pass a NULL argument in the call_data which is not Motif compatible.
+ − 1039 This is used from the XmNdefaultAction callback of the List widgets to
+ − 1040 have a double-click put down a dialog box like the button would do.
+ − 1041 I could not find a way to do that with accelerators.
+ − 1042 */
+ − 1043 static void
2311
+ − 1044 activate_button (Widget UNUSED (widget), XtPointer closure,
+ − 1045 XtPointer UNUSED (call_data))
428
+ − 1046 {
+ − 1047 Widget button = (Widget)closure;
+ − 1048 XtCallCallbacks (button, XmNactivateCallback, NULL);
+ − 1049 }
+ − 1050
+ − 1051 /* creation functions */
+ − 1052
+ − 1053 /* dialogs */
+ − 1054
+ − 1055 #if (XmVersion >= 1002)
+ − 1056 # define ARMANDACTIVATE_KLUDGE
+ − 1057 # define DND_KLUDGE
+ − 1058 #endif
+ − 1059
+ − 1060 #ifdef ARMANDACTIVATE_KLUDGE
+ − 1061 /* We want typing Return at a dialog box to select the default button; but
+ − 1062 we're satisfied with having it select the leftmost button instead.
+ − 1063
+ − 1064 In Motif 1.1.5 we could do this by putting this resource in the
+ − 1065 app-defaults file:
+ − 1066
+ − 1067 *dialog*button1.accelerators:#override\
+ − 1068 <KeyPress>Return: ArmAndActivate()\n\
+ − 1069 <KeyPress>KP_Enter: ArmAndActivate()\n\
+ − 1070 Ctrl<KeyPress>m: ArmAndActivate()\n
+ − 1071
+ − 1072 but that doesn't work with 1.2.1 and I don't understand why. However,
+ − 1073 doing the equivalent C code does work, with the notable disadvantage that
+ − 1074 the user can't override it. So that's what we do until we figure out
+ − 1075 something better....
+ − 1076 */
+ − 1077 static char button_trans[] = "\
+ − 1078 <KeyPress>Return: ArmAndActivate()\n\
+ − 1079 <KeyPress>KP_Enter: ArmAndActivate()\n\
+ − 1080 Ctrl<KeyPress>m: ArmAndActivate()\n";
+ − 1081
+ − 1082 #endif /* ARMANDACTIVATE_KLUDGE */
+ − 1083
+ − 1084
+ − 1085 #ifdef DND_KLUDGE
+ − 1086 /* This is a kludge to disable drag-and-drop in dialog boxes. The symptom
+ − 1087 was a segv down in libXm somewhere if you used the middle button on a
+ − 1088 dialog box to begin a drag; when you released the button to make a drop
+ − 1089 things would lose if you were not over the button where you started the
+ − 1090 drag (canceling the operation). This was probably due to the fact that
+ − 1091 the dialog boxes were not set up to handle a drag but were trying to do
+ − 1092 so anyway for some reason.
+ − 1093
+ − 1094 So we disable drag-and-drop in dialog boxes by turning off the binding for
+ − 1095 Btn2Down which, by default, initiates a drag. Clearly this is a shitty
+ − 1096 solution as it only works in default configurations, but...
+ − 1097 */
+ − 1098 static char disable_dnd_trans[] = "<Btn2Down>: ";
+ − 1099 #endif /* DND_KLUDGE */
+ − 1100
+ − 1101
+ − 1102 static Widget
2311
+ − 1103 make_dialog (char* UNUSED (name), Widget parent, Boolean pop_up_p,
442
+ − 1104 const char* shell_title, const char* icon_name,
428
+ − 1105 Boolean text_input_slot, Boolean radio_box, Boolean list,
+ − 1106 int left_buttons, int right_buttons)
+ − 1107 {
+ − 1108 Widget result;
+ − 1109 Widget form;
+ − 1110 Widget row;
+ − 1111 Widget icon;
+ − 1112 Widget icon_separator;
+ − 1113 Widget message;
+ − 1114 Widget value = 0;
+ − 1115 Widget separator;
+ − 1116 Widget button = 0;
+ − 1117 Widget children [16]; /* for the final XtManageChildren */
+ − 1118 int n_children;
+ − 1119 Arg al[64]; /* Arg List */
+ − 1120 int ac; /* Arg Count */
+ − 1121 int i;
+ − 1122
+ − 1123 #ifdef DND_KLUDGE
+ − 1124 XtTranslations dnd_override = XtParseTranslationTable (disable_dnd_trans);
+ − 1125 # define DO_DND_KLUDGE(widget) XtOverrideTranslations ((widget), dnd_override)
+ − 1126 #else /* ! DND_KLUDGE */
+ − 1127 # define DO_DND_KLUDGE(widget)
+ − 1128 #endif /* ! DND_KLUDGE */
+ − 1129
+ − 1130 if (pop_up_p)
+ − 1131 {
+ − 1132 ac = 0;
+ − 1133 XtSetArg(al[ac], XmNtitle, shell_title); ac++;
+ − 1134 XtSetArg(al[ac], XtNallowShellResize, True); ac++;
+ − 1135 XtSetArg(al[ac], XmNdeleteResponse, XmUNMAP); ac++;
+ − 1136 result = XmCreateDialogShell (parent, "dialog", al, ac);
+ − 1137
+ − 1138 XtSetArg(al[ac], XmNautoUnmanage, FALSE); ac++;
+ − 1139 /* XtSetArg(al[ac], XmNautoUnmanage, TRUE); ac++; */ /* ####is this ok? */
+ − 1140 XtSetArg(al[ac], XmNnavigationType, XmTAB_GROUP); ac++;
+ − 1141 form = XmCreateForm (result, (char *) shell_title, al, ac);
+ − 1142 }
+ − 1143 else
+ − 1144 {
+ − 1145 ac = 0;
+ − 1146 XtSetArg(al[ac], XmNautoUnmanage, FALSE); ac++;
+ − 1147 XtSetArg(al[ac], XmNnavigationType, XmTAB_GROUP); ac++;
+ − 1148 form = XmCreateForm (parent, (char *) shell_title, al, ac);
+ − 1149 result = form;
+ − 1150 }
+ − 1151
+ − 1152 ac = 0;
+ − 1153 XtSetArg(al[ac], XmNpacking, XmPACK_COLUMN); ac++;
+ − 1154 XtSetArg(al[ac], XmNorientation, XmVERTICAL); ac++;
+ − 1155 XtSetArg(al[ac], XmNnumColumns, left_buttons + right_buttons + 1); ac++;
+ − 1156 XtSetArg(al[ac], XmNmarginWidth, 0); ac++;
+ − 1157 XtSetArg(al[ac], XmNmarginHeight, 0); ac++;
+ − 1158 XtSetArg(al[ac], XmNspacing, 13); ac++;
+ − 1159 XtSetArg(al[ac], XmNadjustLast, False); ac++;
+ − 1160 XtSetArg(al[ac], XmNalignment, XmALIGNMENT_CENTER); ac++;
+ − 1161 XtSetArg(al[ac], XmNisAligned, True); ac++;
+ − 1162 XtSetArg(al[ac], XmNtopAttachment, XmATTACH_NONE); ac++;
+ − 1163 XtSetArg(al[ac], XmNbottomAttachment, XmATTACH_FORM); ac++;
+ − 1164 XtSetArg(al[ac], XmNbottomOffset, 13); ac++;
+ − 1165 XtSetArg(al[ac], XmNleftAttachment, XmATTACH_FORM); ac++;
+ − 1166 XtSetArg(al[ac], XmNleftOffset, 13); ac++;
+ − 1167 XtSetArg(al[ac], XmNrightAttachment, XmATTACH_FORM); ac++;
+ − 1168 XtSetArg(al[ac], XmNrightOffset, 13); ac++;
+ − 1169 row = XmCreateRowColumn (form, "row", al, ac);
+ − 1170
+ − 1171 n_children = 0;
+ − 1172 for (i = 0; i < left_buttons; i++)
+ − 1173 {
+ − 1174 char button_name [16];
+ − 1175 sprintf (button_name, "button%d", i + 1);
+ − 1176 ac = 0;
+ − 1177 if (i == 0)
+ − 1178 {
+ − 1179 XtSetArg(al[ac], XmNhighlightThickness, 1); ac++;
+ − 1180 XtSetArg(al[ac], XmNshowAsDefault, TRUE); ac++;
+ − 1181 }
+ − 1182 XtSetArg(al[ac], XmNnavigationType, XmTAB_GROUP); ac++;
+ − 1183 children [n_children] = XmCreatePushButton (row, button_name, al, ac);
+ − 1184 DO_DND_KLUDGE (children [n_children]);
+ − 1185
+ − 1186 if (i == 0)
+ − 1187 {
+ − 1188 button = children [n_children];
+ − 1189 ac = 0;
+ − 1190 XtSetArg(al[ac], XmNdefaultButton, button); ac++;
+ − 1191 XtSetValues (row, al, ac);
+ − 1192
+ − 1193 #ifdef ARMANDACTIVATE_KLUDGE /* See comment above */
+ − 1194 {
+ − 1195 XtTranslations losers = XtParseTranslationTable (button_trans);
+ − 1196 XtOverrideTranslations (button, losers);
+ − 1197 XtFree ((char *) losers);
+ − 1198 }
+ − 1199 #endif /* ARMANDACTIVATE_KLUDGE */
+ − 1200 }
+ − 1201
+ − 1202 n_children++;
+ − 1203 }
+ − 1204
442
+ − 1205 /* invisible separator button */
428
+ − 1206 ac = 0;
+ − 1207 XtSetArg (al[ac], XmNmappedWhenManaged, FALSE); ac++;
+ − 1208 children [n_children] = XmCreateLabel (row, "separator_button",
+ − 1209 al, ac);
+ − 1210 DO_DND_KLUDGE (children [n_children]);
+ − 1211 n_children++;
+ − 1212
+ − 1213 for (i = 0; i < right_buttons; i++)
+ − 1214 {
+ − 1215 char button_name [16];
+ − 1216 sprintf (button_name, "button%d", left_buttons + i + 1);
+ − 1217 ac = 0;
+ − 1218 XtSetArg(al[ac], XmNnavigationType, XmTAB_GROUP); ac++;
+ − 1219 children [n_children] = XmCreatePushButton (row, button_name, al, ac);
+ − 1220 DO_DND_KLUDGE (children [n_children]);
+ − 1221 if (! button) button = children [n_children];
+ − 1222 n_children++;
+ − 1223 }
+ − 1224
+ − 1225 XtManageChildren (children, n_children);
+ − 1226
+ − 1227 ac = 0;
+ − 1228 XtSetArg(al[ac], XmNtopAttachment, XmATTACH_NONE); ac++;
+ − 1229 XtSetArg(al[ac], XmNbottomAttachment, XmATTACH_WIDGET); ac++;
+ − 1230 XtSetArg(al[ac], XmNbottomOffset, 13); ac++;
+ − 1231 XtSetArg(al[ac], XmNbottomWidget, row); ac++;
+ − 1232 XtSetArg(al[ac], XmNleftAttachment, XmATTACH_FORM); ac++;
+ − 1233 XtSetArg(al[ac], XmNleftOffset, 0); ac++;
+ − 1234 XtSetArg(al[ac], XmNrightAttachment, XmATTACH_FORM); ac++;
+ − 1235 XtSetArg(al[ac], XmNrightOffset, 0); ac++;
+ − 1236 separator = XmCreateSeparator (form, "", al, ac);
+ − 1237
+ − 1238 ac = 0;
+ − 1239 XtSetArg(al[ac], XmNlabelType, XmPIXMAP); ac++;
+ − 1240 XtSetArg(al[ac], XmNtopAttachment, XmATTACH_FORM); ac++;
+ − 1241 XtSetArg(al[ac], XmNtopOffset, 13); ac++;
+ − 1242 XtSetArg(al[ac], XmNbottomAttachment, XmATTACH_NONE); ac++;
+ − 1243 XtSetArg(al[ac], XmNleftAttachment, XmATTACH_FORM); ac++;
+ − 1244 XtSetArg(al[ac], XmNleftOffset, 13); ac++;
+ − 1245 XtSetArg(al[ac], XmNrightAttachment, XmATTACH_NONE); ac++;
+ − 1246 icon = XmCreateLabel (form, (char *) icon_name, al, ac);
+ − 1247 DO_DND_KLUDGE (icon);
+ − 1248
+ − 1249 ac = 0;
+ − 1250 XtSetArg(al[ac], XmNmappedWhenManaged, FALSE); ac++;
+ − 1251 XtSetArg(al[ac], XmNtopAttachment, XmATTACH_WIDGET); ac++;
+ − 1252 XtSetArg(al[ac], XmNtopOffset, 6); ac++;
+ − 1253 XtSetArg(al[ac], XmNtopWidget, icon); ac++;
+ − 1254 XtSetArg(al[ac], XmNbottomAttachment, XmATTACH_WIDGET); ac++;
+ − 1255 XtSetArg(al[ac], XmNbottomOffset, 6); ac++;
+ − 1256 XtSetArg(al[ac], XmNbottomWidget, separator); ac++;
+ − 1257 XtSetArg(al[ac], XmNleftAttachment, XmATTACH_NONE); ac++;
+ − 1258 XtSetArg(al[ac], XmNrightAttachment, XmATTACH_NONE); ac++;
+ − 1259 icon_separator = XmCreateLabel (form, "", al, ac);
+ − 1260 DO_DND_KLUDGE (icon_separator);
+ − 1261
+ − 1262 if (text_input_slot)
+ − 1263 {
+ − 1264 ac = 0;
+ − 1265 XtSetArg(al[ac], XmNcolumns, 50); ac++;
+ − 1266 XtSetArg(al[ac], XmNtopAttachment, XmATTACH_NONE); ac++;
+ − 1267 XtSetArg(al[ac], XmNbottomAttachment, XmATTACH_WIDGET); ac++;
+ − 1268 XtSetArg(al[ac], XmNbottomOffset, 13); ac++;
+ − 1269 XtSetArg(al[ac], XmNbottomWidget, separator); ac++;
+ − 1270 XtSetArg(al[ac], XmNleftAttachment, XmATTACH_WIDGET); ac++;
+ − 1271 XtSetArg(al[ac], XmNleftOffset, 13); ac++;
+ − 1272 XtSetArg(al[ac], XmNleftWidget, icon); ac++;
+ − 1273 XtSetArg(al[ac], XmNrightAttachment, XmATTACH_FORM); ac++;
+ − 1274 XtSetArg(al[ac], XmNrightOffset, 13); ac++;
+ − 1275 value = XmCreateTextField (form, "value", al, ac);
+ − 1276 DO_DND_KLUDGE (value);
+ − 1277 }
+ − 1278 else if (radio_box)
+ − 1279 {
+ − 1280 Widget radio_butt;
+ − 1281 ac = 0;
+ − 1282 XtSetArg(al[ac], XmNmarginWidth, 0); ac++;
+ − 1283 XtSetArg(al[ac], XmNmarginHeight, 0); ac++;
+ − 1284 XtSetArg(al[ac], XmNspacing, 13); ac++;
+ − 1285 XtSetArg(al[ac], XmNalignment, XmALIGNMENT_CENTER); ac++;
+ − 1286 XtSetArg(al[ac], XmNorientation, XmHORIZONTAL); ac++;
+ − 1287 XtSetArg(al[ac], XmNbottomAttachment, XmATTACH_WIDGET); ac++;
+ − 1288 XtSetArg(al[ac], XmNbottomOffset, 13); ac++;
+ − 1289 XtSetArg(al[ac], XmNbottomWidget, separator); ac++;
+ − 1290 XtSetArg(al[ac], XmNleftAttachment, XmATTACH_WIDGET); ac++;
+ − 1291 XtSetArg(al[ac], XmNleftOffset, 13); ac++;
+ − 1292 XtSetArg(al[ac], XmNleftWidget, icon); ac++;
+ − 1293 XtSetArg(al[ac], XmNrightAttachment, XmATTACH_FORM); ac++;
+ − 1294 XtSetArg(al[ac], XmNrightOffset, 13); ac++;
+ − 1295 value = XmCreateRadioBox (form, "radiobutton1", al, ac);
+ − 1296 ac = 0;
+ − 1297 i = 0;
+ − 1298 radio_butt = XmCreateToggleButtonGadget (value, "radio1", al, ac);
+ − 1299 children [i++] = radio_butt;
+ − 1300 radio_butt = XmCreateToggleButtonGadget (value, "radio2", al, ac);
+ − 1301 children [i++] = radio_butt;
+ − 1302 radio_butt = XmCreateToggleButtonGadget (value, "radio3", al, ac);
+ − 1303 children [i++] = radio_butt;
+ − 1304 XtManageChildren (children, i);
+ − 1305 }
+ − 1306 else if (list)
+ − 1307 {
+ − 1308 ac = 0;
+ − 1309 XtSetArg(al[ac], XmNvisibleItemCount, 5); ac++;
+ − 1310 XtSetArg(al[ac], XmNtopAttachment, XmATTACH_NONE); ac++;
+ − 1311 XtSetArg(al[ac], XmNbottomAttachment, XmATTACH_WIDGET); ac++;
+ − 1312 XtSetArg(al[ac], XmNbottomOffset, 13); ac++;
+ − 1313 XtSetArg(al[ac], XmNbottomWidget, separator); ac++;
+ − 1314 XtSetArg(al[ac], XmNleftAttachment, XmATTACH_WIDGET); ac++;
+ − 1315 XtSetArg(al[ac], XmNleftOffset, 13); ac++;
+ − 1316 XtSetArg(al[ac], XmNleftWidget, icon); ac++;
+ − 1317 XtSetArg(al[ac], XmNrightAttachment, XmATTACH_FORM); ac++;
+ − 1318 XtSetArg(al[ac], XmNrightOffset, 13); ac++;
+ − 1319 value = XmCreateScrolledList (form, "list", al, ac);
+ − 1320
442
+ − 1321 /* this is the easiest way I found to have the double click in the
428
+ − 1322 list activate the default button */
+ − 1323 XtAddCallback (value, XmNdefaultActionCallback, activate_button, button);
+ − 1324 }
805
+ − 1325 /* else add nothing; it's a separator */
428
+ − 1326
+ − 1327 ac = 0;
+ − 1328 XtSetArg(al[ac], XmNalignment, XmALIGNMENT_BEGINNING); ac++;
+ − 1329 XtSetArg(al[ac], XmNtopAttachment, XmATTACH_FORM); ac++;
+ − 1330 XtSetArg(al[ac], XmNtopOffset, 13); ac++;
+ − 1331 XtSetArg(al[ac], XmNbottomAttachment, XmATTACH_WIDGET); ac++;
+ − 1332 XtSetArg(al[ac], XmNbottomOffset, 13); ac++;
+ − 1333 XtSetArg(al[ac], XmNbottomWidget,
+ − 1334 text_input_slot || radio_box || list ? value : separator); ac++;
+ − 1335 XtSetArg(al[ac], XmNleftAttachment, XmATTACH_WIDGET); ac++;
+ − 1336 XtSetArg(al[ac], XmNleftOffset, 13); ac++;
+ − 1337 XtSetArg(al[ac], XmNleftWidget, icon); ac++;
+ − 1338 XtSetArg(al[ac], XmNrightAttachment, XmATTACH_FORM); ac++;
+ − 1339 XtSetArg(al[ac], XmNrightOffset, 13); ac++;
+ − 1340 message = XmCreateLabel (form, "message", al, ac);
+ − 1341 DO_DND_KLUDGE (message);
+ − 1342
+ − 1343 if (list)
+ − 1344 XtManageChild (value);
+ − 1345
+ − 1346 i = 0;
+ − 1347 children [i] = row; i++;
+ − 1348 children [i] = separator; i++;
+ − 1349 if (text_input_slot || radio_box)
+ − 1350 {
+ − 1351 children [i] = value; i++;
+ − 1352 }
+ − 1353 children [i] = message; i++;
+ − 1354 children [i] = icon; i++;
+ − 1355 children [i] = icon_separator; i++;
+ − 1356 XtManageChildren (children, i);
+ − 1357
+ − 1358 if (text_input_slot || list)
+ − 1359 {
+ − 1360 XtInstallAccelerators (value, button);
+ − 1361 XmProcessTraversal(value, XmTRAVERSE_CURRENT);
+ − 1362 }
805
+ − 1363 else if (radio_box)
428
+ − 1364 {
+ − 1365 XtInstallAccelerators (form, button);
+ − 1366 XmProcessTraversal(value, XmTRAVERSE_CURRENT);
+ − 1367 }
805
+ − 1368 /* else we don' need no STEENKIN' assellerators. */
428
+ − 1369
+ − 1370 #ifdef DND_KLUDGE
+ − 1371 XtFree ((char *) dnd_override);
+ − 1372 #endif
+ − 1373 #undef DO_DND_KLUDGE
+ − 1374
+ − 1375 return result;
+ − 1376 }
+ − 1377
+ − 1378 static destroyed_instance*
+ − 1379 find_matching_instance (widget_instance* instance)
+ − 1380 {
+ − 1381 destroyed_instance* cur;
+ − 1382 destroyed_instance* prev;
+ − 1383 char* type = instance->info->type;
+ − 1384 char* name = instance->info->name;
+ − 1385
+ − 1386 for (prev = NULL, cur = all_destroyed_instances;
+ − 1387 cur;
+ − 1388 prev = cur, cur = cur->next)
+ − 1389 {
+ − 1390 if (!strcmp (cur->name, name)
+ − 1391 && !strcmp (cur->type, type)
+ − 1392 && cur->parent == instance->parent
+ − 1393 && cur->pop_up_p == instance->pop_up_p)
+ − 1394 {
+ − 1395 if (prev)
+ − 1396 prev->next = cur->next;
+ − 1397 else
+ − 1398 all_destroyed_instances = cur->next;
+ − 1399 return cur;
+ − 1400 }
+ − 1401 /* do some cleanup */
+ − 1402 else if (!cur->widget)
+ − 1403 {
+ − 1404 if (prev)
+ − 1405 prev->next = cur->next;
+ − 1406 else
+ − 1407 all_destroyed_instances = cur->next;
+ − 1408 free_destroyed_instance (cur);
+ − 1409 cur = prev ? prev : all_destroyed_instances;
+ − 1410 }
+ − 1411 }
+ − 1412 return NULL;
+ − 1413 }
+ − 1414
+ − 1415 static void
+ − 1416 recenter_widget (Widget widget)
+ − 1417 {
+ − 1418 Widget parent = XtParent (widget);
+ − 1419 Screen* screen = XtScreen (widget);
+ − 1420 Dimension screen_width = WidthOfScreen (screen);
+ − 1421 Dimension screen_height = HeightOfScreen (screen);
+ − 1422 Dimension parent_width = 0;
+ − 1423 Dimension parent_height = 0;
+ − 1424 Dimension child_width = 0;
+ − 1425 Dimension child_height = 0;
+ − 1426 Position x;
+ − 1427 Position y;
+ − 1428 Arg al [2];
+ − 1429
+ − 1430 XtSetArg (al [0], XtNwidth, &child_width);
+ − 1431 XtSetArg (al [1], XtNheight, &child_height);
+ − 1432 XtGetValues (widget, al, 2);
+ − 1433
+ − 1434 XtSetArg (al [0], XtNwidth, &parent_width);
+ − 1435 XtSetArg (al [1], XtNheight, &parent_height);
+ − 1436 XtGetValues (parent, al, 2);
+ − 1437
+ − 1438 x = (Position) ((parent_width - child_width) / 2);
+ − 1439 y = (Position) ((parent_height - child_height) / 2);
+ − 1440
+ − 1441 XtTranslateCoords (parent, x, y, &x, &y);
+ − 1442
+ − 1443 if ((Dimension) (x + child_width) > screen_width)
+ − 1444 x = screen_width - child_width;
+ − 1445 if (x < 0)
+ − 1446 x = 0;
+ − 1447
+ − 1448 if ((Dimension) (y + child_height) > screen_height)
+ − 1449 y = screen_height - child_height;
+ − 1450 if (y < 0)
+ − 1451 y = 0;
+ − 1452
+ − 1453 XtSetArg (al [0], XtNx, x);
+ − 1454 XtSetArg (al [1], XtNy, y);
+ − 1455 XtSetValues (widget, al, 2);
+ − 1456 }
+ − 1457
+ − 1458 static Widget
+ − 1459 recycle_instance (destroyed_instance* instance)
+ − 1460 {
+ − 1461 Widget widget = instance->widget;
+ − 1462
+ − 1463 /* widget is NULL if the parent was destroyed. */
+ − 1464 if (widget)
+ − 1465 {
+ − 1466 Widget focus;
+ − 1467 Widget separator;
+ − 1468
+ − 1469 /* Remove the destroy callback as the instance is not in the list
+ − 1470 anymore */
+ − 1471 XtRemoveCallback (instance->parent, XtNdestroyCallback,
+ − 1472 mark_dead_instance_destroyed,
+ − 1473 (XtPointer)instance);
+ − 1474
+ − 1475 /* Give the focus to the initial item */
+ − 1476 focus = XtNameToWidget (widget, "*value");
+ − 1477 if (!focus)
+ − 1478 focus = XtNameToWidget (widget, "*button1");
+ − 1479 if (focus)
+ − 1480 XmProcessTraversal(focus, XmTRAVERSE_CURRENT);
+ − 1481
+ − 1482 /* shrink the separator label back to their original size */
+ − 1483 separator = XtNameToWidget (widget, "*separator_button");
+ − 1484 if (separator)
+ − 1485 {
+ − 1486 Arg al [2];
+ − 1487 XtSetArg (al [0], XtNwidth, 5);
+ − 1488 XtSetArg (al [1], XtNheight, 5);
+ − 1489 XtSetValues (separator, al, 2);
+ − 1490 }
+ − 1491
+ − 1492 /* Center the dialog in its parent */
+ − 1493 recenter_widget (widget);
+ − 1494 }
+ − 1495 free_destroyed_instance (instance);
+ − 1496 return widget;
+ − 1497 }
+ − 1498
+ − 1499 Widget
+ − 1500 xm_create_dialog (widget_instance* instance)
+ − 1501 {
+ − 1502 char* name = instance->info->type;
+ − 1503 Widget parent = instance->parent;
+ − 1504 Widget widget;
+ − 1505 Boolean pop_up_p = instance->pop_up_p;
442
+ − 1506 const char* shell_name = 0;
+ − 1507 const char* icon_name = 0;
428
+ − 1508 Boolean text_input_slot = False;
+ − 1509 Boolean radio_box = False;
+ − 1510 Boolean list = False;
+ − 1511 int total_buttons;
+ − 1512 int left_buttons = 0;
+ − 1513 int right_buttons = 1;
+ − 1514 destroyed_instance* dead_one;
+ − 1515
+ − 1516 /* try to find a widget to recycle */
+ − 1517 dead_one = find_matching_instance (instance);
+ − 1518 if (dead_one)
+ − 1519 {
+ − 1520 Widget recycled_widget = recycle_instance (dead_one);
+ − 1521 if (recycled_widget)
+ − 1522 return recycled_widget;
+ − 1523 }
+ − 1524
+ − 1525 switch (name [0]){
+ − 1526 case 'E': case 'e':
+ − 1527 icon_name = "dbox-error";
+ − 1528 shell_name = "Error";
+ − 1529 break;
+ − 1530
+ − 1531 case 'I': case 'i':
+ − 1532 icon_name = "dbox-info";
+ − 1533 shell_name = "Information";
+ − 1534 break;
+ − 1535
+ − 1536 case 'L': case 'l':
+ − 1537 list = True;
+ − 1538 icon_name = "dbox-question";
+ − 1539 shell_name = "Prompt";
+ − 1540 break;
+ − 1541
+ − 1542 case 'P': case 'p':
+ − 1543 text_input_slot = True;
+ − 1544 icon_name = "dbox-question";
+ − 1545 shell_name = "Prompt";
+ − 1546 break;
+ − 1547
+ − 1548 case 'Q': case 'q':
+ − 1549 icon_name = "dbox-question";
+ − 1550 shell_name = "Question";
+ − 1551 break;
+ − 1552 }
+ − 1553
+ − 1554 total_buttons = name [1] - '0';
+ − 1555
+ − 1556 if (name [3] == 'T' || name [3] == 't')
+ − 1557 {
+ − 1558 text_input_slot = False;
+ − 1559 radio_box = True;
+ − 1560 }
+ − 1561 else if (name [3])
+ − 1562 right_buttons = name [4] - '0';
+ − 1563
+ − 1564 left_buttons = total_buttons - right_buttons;
+ − 1565
+ − 1566 widget = make_dialog (name, parent, pop_up_p,
+ − 1567 shell_name, icon_name, text_input_slot, radio_box,
+ − 1568 list, left_buttons, right_buttons);
+ − 1569
+ − 1570 XtAddCallback (widget, XmNpopdownCallback, xm_nosel_callback,
+ − 1571 (XtPointer) instance);
+ − 1572 return widget;
+ − 1573 }
+ − 1574
+ − 1575 #endif /* LWLIB_DIALOGS_MOTIF */
+ − 1576
+ − 1577 #ifdef LWLIB_MENUBARS_MOTIF
+ − 1578 static Widget
+ − 1579 make_menubar (widget_instance* instance)
+ − 1580 {
+ − 1581 Arg al[10];
+ − 1582 int ac = 0;
+ − 1583
+ − 1584 XtSetArg(al[ac], XmNmarginHeight, 0); ac++;
+ − 1585 XtSetArg(al[ac], XmNshadowThickness, 3); ac++;
+ − 1586
+ − 1587 return XmCreateMenuBar (instance->parent, instance->info->name, al, ac);
+ − 1588 }
+ − 1589
+ − 1590 static void
+ − 1591 remove_grabs (Widget shell, XtPointer closure, XtPointer call_data)
+ − 1592 {
+ − 1593 Widget menu = (Widget) closure;
+ − 1594 XmRemoveFromPostFromList (menu, XtParent (XtParent ((Widget) menu)));
+ − 1595 }
+ − 1596
+ − 1597 static Widget
+ − 1598 make_popup_menu (widget_instance* instance)
+ − 1599 {
+ − 1600 Widget parent = instance->parent;
+ − 1601 Window parent_window = parent->core.window;
+ − 1602 Widget result;
+ − 1603
+ − 1604 /* sets the parent window to 0 to fool Motif into not generating a grab */
+ − 1605 parent->core.window = 0;
+ − 1606 result = XmCreatePopupMenu (parent, instance->info->name, NULL, 0);
+ − 1607 XtAddCallback (XtParent (result), XmNpopdownCallback, remove_grabs,
+ − 1608 (XtPointer)result);
+ − 1609 parent->core.window = parent_window;
+ − 1610 return result;
+ − 1611 }
+ − 1612 #endif /* LWLIB_MENUBARS_MOTIF */
+ − 1613
+ − 1614 #ifdef LWLIB_SCROLLBARS_MOTIF
+ − 1615 static Widget
+ − 1616 make_scrollbar (widget_instance *instance, int vertical)
+ − 1617 {
+ − 1618 Arg al[20];
+ − 1619 int ac = 0;
+ − 1620 static XtCallbackRec callbacks[2] =
+ − 1621 { {xm_scrollbar_callback, NULL}, {NULL, NULL} };
+ − 1622
+ − 1623 callbacks[0].closure = (XtPointer) instance;
+ − 1624
+ − 1625 XtSetArg (al[ac], XmNminimum, 1); ac++;
+ − 1626 XtSetArg (al[ac], XmNmaximum, INT_MAX); ac++;
+ − 1627 XtSetArg (al[ac], XmNincrement, 1); ac++;
+ − 1628 XtSetArg (al[ac], XmNpageIncrement, 1); ac++;
+ − 1629 XtSetArg (al[ac], XmNborderWidth, 0); ac++;
+ − 1630 XtSetArg (al[ac], XmNorientation, vertical ? XmVERTICAL : XmHORIZONTAL); ac++;
+ − 1631
+ − 1632 XtSetArg (al[ac], XmNdecrementCallback, callbacks); ac++;
+ − 1633 XtSetArg (al[ac], XmNdragCallback, callbacks); ac++;
+ − 1634 XtSetArg (al[ac], XmNincrementCallback, callbacks); ac++;
+ − 1635 XtSetArg (al[ac], XmNpageDecrementCallback, callbacks); ac++;
+ − 1636 XtSetArg (al[ac], XmNpageIncrementCallback, callbacks); ac++;
+ − 1637 XtSetArg (al[ac], XmNtoBottomCallback, callbacks); ac++;
+ − 1638 XtSetArg (al[ac], XmNtoTopCallback, callbacks); ac++;
+ − 1639 XtSetArg (al[ac], XmNvalueChangedCallback, callbacks); ac++;
+ − 1640
+ − 1641 return XmCreateScrollBar (instance->parent, instance->info->name, al, ac);
+ − 1642 }
+ − 1643
+ − 1644 static Widget
+ − 1645 make_vertical_scrollbar (widget_instance *instance)
+ − 1646 {
+ − 1647 return make_scrollbar (instance, 1);
+ − 1648 }
+ − 1649
+ − 1650 static Widget
+ − 1651 make_horizontal_scrollbar (widget_instance *instance)
+ − 1652 {
+ − 1653 return make_scrollbar (instance, 0);
+ − 1654 }
+ − 1655
+ − 1656 #endif /* LWLIB_SCROLLBARS_MOTIF */
+ − 1657
+ − 1658 #ifdef LWLIB_WIDGETS_MOTIF
+ − 1659 /* glyph widgets */
+ − 1660 static Widget
+ − 1661 xm_create_button (widget_instance *instance)
+ − 1662 {
+ − 1663 Arg al[20];
+ − 1664 int ac = 0;
+ − 1665 Widget button = 0;
+ − 1666 widget_value* val = instance->info->val;
+ − 1667
+ − 1668 XtSetArg (al [ac], XmNsensitive, val->enabled); ac++;
+ − 1669 XtSetArg (al [ac], XmNalignment, XmALIGNMENT_BEGINNING); ac++;
+ − 1670 XtSetArg (al [ac], XmNuserData, val->call_data); ac++;
+ − 1671 XtSetArg (al [ac], XmNmappedWhenManaged, FALSE); ac++;
+ − 1672 /* The highlight doesn't appear to be dynamically set which makes it
+ − 1673 look ugly. I think this may be a LessTif bug but for now we just
+ − 1674 get rid of it. */
+ − 1675 XtSetArg (al [ac], XmNhighlightThickness, (Dimension)0);ac++;
+ − 1676
+ − 1677 /* add any args the user supplied for creation time */
+ − 1678 lw_add_value_args_to_args (val, al, &ac);
+ − 1679
+ − 1680 if (!val->call_data)
+ − 1681 button = XmCreateLabel (instance->parent, val->name, al, ac);
+ − 1682
+ − 1683 else if (val->type == TOGGLE_TYPE || val->type == RADIO_TYPE)
+ − 1684 {
+ − 1685 XtSetArg (al [ac], XmNset, val->selected); ac++;
+ − 1686 XtSetArg (al [ac], XmNindicatorType,
+ − 1687 (val->type == TOGGLE_TYPE ?
+ − 1688 XmN_OF_MANY : XmONE_OF_MANY)); ac++;
+ − 1689 XtSetArg (al [ac], XmNvisibleWhenOff, True); ac++;
+ − 1690 button = XmCreateToggleButton (instance->parent, val->name, al, ac);
+ − 1691 XtRemoveAllCallbacks (button, XmNvalueChangedCallback);
+ − 1692 XtAddCallback (button, XmNvalueChangedCallback, xm_generic_callback,
+ − 1693 (XtPointer)instance);
+ − 1694 }
+ − 1695 else
+ − 1696 {
+ − 1697 button = XmCreatePushButton (instance->parent, val->name, al, ac);
+ − 1698 XtAddCallback (button, XmNactivateCallback, xm_generic_callback,
+ − 1699 (XtPointer)instance);
+ − 1700 }
+ − 1701
+ − 1702 XtManageChild (button);
+ − 1703
+ − 1704 return button;
+ − 1705 }
+ − 1706
+ − 1707 static Widget
+ − 1708 xm_create_progress (widget_instance *instance)
+ − 1709 {
+ − 1710 Arg al[20];
+ − 1711 int ac = 0;
639
+ − 1712 Dimension height = 0;
+ − 1713 Dimension width = 0;
428
+ − 1714 Widget scale = 0;
+ − 1715 widget_value* val = instance->info->val;
+ − 1716 if (!val->call_data)
+ − 1717 {
639
+ − 1718 XtSetArg (al [ac], XmNeditable, False); ac++;
428
+ − 1719 }
+ − 1720 else
+ − 1721 {
639
+ − 1722 XtSetArg (al [ac], XmNeditable, val->enabled); ac++;
428
+ − 1723 }
+ − 1724 XtSetArg (al [ac], XmNalignment, XmALIGNMENT_BEGINNING); ac++;
+ − 1725 XtSetArg (al [ac], XmNuserData, val->call_data); ac++;
+ − 1726 XtSetArg (al [ac], XmNmappedWhenManaged, FALSE); ac++;
+ − 1727 XtSetArg (al [ac], XmNorientation, XmHORIZONTAL); ac++;
+ − 1728 /* The highlight doesn't appear to be dynamically set which makes it
+ − 1729 look ugly. I think this may be a LessTif bug but for now we just
+ − 1730 get rid of it. */
+ − 1731 XtSetArg (al [ac], XmNhighlightThickness, (Dimension)0);ac++;
639
+ − 1732
+ − 1733 height = (Dimension)lw_get_value_arg (val, XtNheight);
+ − 1734 width = (Dimension)lw_get_value_arg (val, XtNwidth);
+ − 1735 if (height > 0)
+ − 1736 {
+ − 1737 XtSetArg (al [ac], XmNscaleHeight, height); ac++;
+ − 1738 }
+ − 1739 if (width > 0)
+ − 1740 {
+ − 1741 XtSetArg (al [ac], XmNscaleWidth, width); ac++;
+ − 1742 }
+ − 1743
428
+ − 1744 /* add any args the user supplied for creation time */
+ − 1745 lw_add_value_args_to_args (val, al, &ac);
+ − 1746
+ − 1747 scale = XmCreateScale (instance->parent, val->name, al, ac);
+ − 1748 if (val->call_data)
+ − 1749 XtAddCallback (scale, XmNvalueChangedCallback, xm_generic_callback,
+ − 1750 (XtPointer)instance);
+ − 1751
+ − 1752 XtManageChild (scale);
+ − 1753
+ − 1754 return scale;
+ − 1755 }
+ − 1756
+ − 1757 static Widget
+ − 1758 xm_create_text_field (widget_instance *instance)
+ − 1759 {
+ − 1760 Arg al[20];
+ − 1761 int ac = 0;
+ − 1762 Widget text = 0;
+ − 1763 widget_value* val = instance->info->val;
+ − 1764
442
+ − 1765 XtSetArg (al [ac], XmNsensitive, val->enabled); ac++;
428
+ − 1766 XtSetArg (al [ac], XmNalignment, XmALIGNMENT_BEGINNING); ac++;
+ − 1767 XtSetArg (al [ac], XmNuserData, val->call_data); ac++;
+ − 1768 XtSetArg (al [ac], XmNmappedWhenManaged, FALSE); ac++;
+ − 1769 /* The highlight doesn't appear to be dynamically set which makes it
+ − 1770 look ugly. I think this may be a LessTif bug but for now we just
+ − 1771 get rid of it. */
+ − 1772 XtSetArg (al [ac], XmNhighlightThickness, (Dimension)0);ac++;
+ − 1773
+ − 1774 /* add any args the user supplied for creation time */
+ − 1775 lw_add_value_args_to_args (val, al, &ac);
+ − 1776
+ − 1777 text = XmCreateTextField (instance->parent, val->name, al, ac);
+ − 1778 if (val->call_data)
+ − 1779 XtAddCallback (text, XmNvalueChangedCallback, xm_generic_callback,
+ − 1780 (XtPointer)instance);
+ − 1781
+ − 1782 XtManageChild (text);
+ − 1783
+ − 1784 return text;
+ − 1785 }
+ − 1786
+ − 1787 static Widget
+ − 1788 xm_create_label_field (widget_instance *instance)
+ − 1789 {
+ − 1790 return xm_create_label (instance->parent, instance->info->val);
+ − 1791 }
+ − 1792
+ − 1793 Widget
+ − 1794 xm_create_label (Widget parent, widget_value* val)
+ − 1795 {
+ − 1796 Arg al[20];
+ − 1797 int ac = 0;
+ − 1798 Widget label = 0;
+ − 1799
+ − 1800 XtSetArg (al [ac], XmNsensitive, val->enabled); ac++;
+ − 1801 XtSetArg (al [ac], XmNalignment, XmALIGNMENT_BEGINNING); ac++;
+ − 1802 XtSetArg (al [ac], XmNmappedWhenManaged, FALSE); ac++;
+ − 1803 /* The highlight doesn't appear to be dynamically set which makes it
+ − 1804 look ugly. I think this may be a LessTif bug but for now we just
+ − 1805 get rid of it. */
+ − 1806 XtSetArg (al [ac], XmNhighlightThickness, (Dimension)0);ac++;
+ − 1807
+ − 1808 /* add any args the user supplied for creation time */
+ − 1809 lw_add_value_args_to_args (val, al, &ac);
+ − 1810
+ − 1811 label = XmCreateLabel (parent, val->name, al, ac);
+ − 1812
+ − 1813 XtManageChild (label);
+ − 1814
+ − 1815 /* Do it again for arguments that have no effect until the widget is realized. */
+ − 1816 ac = 0;
+ − 1817 lw_add_value_args_to_args (val, al, &ac);
+ − 1818 XtSetValues (label, al, ac);
+ − 1819
+ − 1820 return label;
+ − 1821 }
+ − 1822
+ − 1823 #if XmVERSION > 1
+ − 1824 static Widget
+ − 1825 xm_create_combo_box (widget_instance *instance)
+ − 1826 {
+ − 1827 Arg al[20];
+ − 1828 int ac = 0;
+ − 1829 Widget combo = 0;
+ − 1830 widget_value* val = instance->info->val;
+ − 1831
+ − 1832 XtSetArg (al [ac], XmNsensitive, val->enabled); ac++;
+ − 1833 XtSetArg (al [ac], XmNalignment, XmALIGNMENT_BEGINNING); ac++;
+ − 1834 XtSetArg (al [ac], XmNuserData, val->call_data); ac++;
+ − 1835 XtSetArg (al [ac], XmNmappedWhenManaged, FALSE); ac++;
+ − 1836 /* The highlight doesn't appear to be dynamically set which makes it
+ − 1837 look ugly. I think this may be a LessTif bug but for now we just
+ − 1838 get rid of it. */
+ − 1839 XtSetArg (al [ac], XmNhighlightThickness, (Dimension)0);ac++;
+ − 1840
+ − 1841 /* add any args the user supplied for creation time */
+ − 1842 lw_add_value_args_to_args (val, al, &ac);
+ − 1843
+ − 1844 combo = XmCreateDropDownComboBox (instance->parent, val->name, al, ac);
+ − 1845 if (val->call_data)
+ − 1846 XtAddCallback (combo, XmNselectionCallback, xm_generic_callback,
+ − 1847 (XtPointer)instance);
+ − 1848
+ − 1849 XtManageChild (combo);
+ − 1850
+ − 1851 return combo;
+ − 1852 }
+ − 1853 #endif
+ − 1854 #endif /* LWLIB_WIDGETS_MOTIF */
+ − 1855
+ − 1856
+ − 1857 /* Table of functions to create widgets */
+ − 1858
450
+ − 1859 const widget_creation_entry
428
+ − 1860 xm_creation_table [] =
+ − 1861 {
+ − 1862 #ifdef LWLIB_MENUBARS_MOTIF
+ − 1863 {"menubar", make_menubar},
+ − 1864 {"popup", make_popup_menu},
+ − 1865 #endif
+ − 1866 #ifdef LWLIB_SCROLLBARS_MOTIF
+ − 1867 {"vertical-scrollbar", make_vertical_scrollbar},
+ − 1868 {"horizontal-scrollbar", make_horizontal_scrollbar},
+ − 1869 #endif
+ − 1870 #ifdef LWLIB_WIDGETS_MOTIF
+ − 1871 {"button", xm_create_button},
+ − 1872 {"progress", xm_create_progress},
+ − 1873 {"text-field", xm_create_text_field},
+ − 1874 {"label", xm_create_label_field},
+ − 1875 #if XmVERSION > 1
+ − 1876 {"combo-box", xm_create_combo_box},
+ − 1877 #endif
+ − 1878 #endif
+ − 1879 {NULL, NULL}
+ − 1880 };
+ − 1881
+ − 1882 /* Destruction of instances */
+ − 1883 void
2286
+ − 1884 xm_destroy_instance (
+ − 1885 #if defined (LWLIB_DIALOGS_MOTIF) || defined (LWLIB_WIDGETS_MOTIF)
+ − 1886 widget_instance* instance
+ − 1887 #else
+ − 1888 widget_instance* UNUSED (instance)
+ − 1889 #endif
+ − 1890 )
428
+ − 1891 {
+ − 1892 #if defined (LWLIB_DIALOGS_MOTIF) || defined (LWLIB_WIDGETS_MOTIF)
+ − 1893 /* It appears that this is used only for dialog boxes. */
+ − 1894 Widget widget = instance->widget;
+ − 1895 /* recycle the dialog boxes */
+ − 1896 /* Disable the recycling until we can find a way to have the dialog box
+ − 1897 get reasonable layout after we modify its contents. */
+ − 1898 if (0
+ − 1899 && XtClass (widget) == xmDialogShellWidgetClass)
+ − 1900 {
+ − 1901 destroyed_instance* dead_instance =
+ − 1902 make_destroyed_instance (instance->info->name,
+ − 1903 instance->info->type,
+ − 1904 instance->widget,
+ − 1905 instance->parent,
+ − 1906 instance->pop_up_p);
+ − 1907 dead_instance->next = all_destroyed_instances;
+ − 1908 all_destroyed_instances = dead_instance;
+ − 1909 XtUnmanageChild (first_child (instance->widget));
+ − 1910 XFlush (XtDisplay (instance->widget));
+ − 1911 XtAddCallback (instance->parent, XtNdestroyCallback,
+ − 1912 mark_dead_instance_destroyed, (XtPointer)dead_instance);
+ − 1913 }
+ − 1914 else
+ − 1915 {
+ − 1916 /* This might not be necessary now that the nosel is attached to
+ − 1917 popdown instead of destroy, but it can't hurt. */
+ − 1918 XtRemoveCallback (instance->widget, XtNdestroyCallback,
+ − 1919 xm_nosel_callback, (XtPointer)instance);
+ − 1920
+ − 1921 XtDestroyWidget (instance->widget);
+ − 1922 }
+ − 1923 #endif /* LWLIB_DIALOGS_MOTIF || LWLIB_WIDGETS_MOTIF */
+ − 1924 }
+ − 1925
+ − 1926 /* popup utility */
+ − 1927 #ifdef LWLIB_MENUBARS_MOTIF
+ − 1928
+ − 1929 void
+ − 1930 xm_popup_menu (Widget widget, XEvent *event)
+ − 1931 {
+ − 1932 if (event->type == ButtonPress || event->type == ButtonRelease)
+ − 1933 {
+ − 1934 /* This is so totally ridiculous: there's NO WAY to tell Motif
+ − 1935 that *any* button can select a menu item. Only one button
+ − 1936 can have that honor.
+ − 1937 */
+ − 1938 char *trans = 0;
+ − 1939 if (event->xbutton.state & Button5Mask) trans = "<Btn5Down>";
+ − 1940 else if (event->xbutton.state & Button4Mask) trans = "<Btn4Down>";
+ − 1941 else if (event->xbutton.state & Button3Mask) trans = "<Btn3Down>";
+ − 1942 else if (event->xbutton.state & Button2Mask) trans = "<Btn2Down>";
+ − 1943 else if (event->xbutton.state & Button1Mask) trans = "<Btn1Down>";
+ − 1944 if (trans)
+ − 1945 {
+ − 1946 Arg al [1];
+ − 1947 XtSetArg (al [0], XmNmenuPost, trans);
+ − 1948 XtSetValues (widget, al, 1);
+ − 1949 }
+ − 1950 XmMenuPosition (widget, (XButtonPressedEvent *) event);
+ − 1951 }
+ − 1952 XtManageChild (widget);
+ − 1953 }
+ − 1954
+ − 1955 #endif
+ − 1956
+ − 1957 #ifdef LWLIB_DIALOGS_MOTIF
+ − 1958
+ − 1959 static void
+ − 1960 set_min_dialog_size (Widget w)
+ − 1961 {
+ − 1962 short width;
+ − 1963 short height;
+ − 1964 Arg al [2];
+ − 1965
+ − 1966 XtSetArg (al [0], XmNwidth, &width);
+ − 1967 XtSetArg (al [1], XmNheight, &height);
+ − 1968 XtGetValues (w, al, 2);
+ − 1969
+ − 1970 XtSetArg (al [0], XmNminWidth, width);
+ − 1971 XtSetArg (al [1], XmNminHeight, height);
+ − 1972 XtSetValues (w, al, 2);
+ − 1973 }
+ − 1974
+ − 1975 #endif
+ − 1976
+ − 1977 void
+ − 1978 xm_pop_instance (widget_instance* instance, Boolean up)
+ − 1979 {
+ − 1980 Widget widget = instance->widget;
+ − 1981
+ − 1982 #ifdef LWLIB_DIALOGS_MOTIF
+ − 1983 if (XtClass (widget) == xmDialogShellWidgetClass)
+ − 1984 {
+ − 1985 Widget widget_to_manage = first_child (widget);
+ − 1986 if (up)
+ − 1987 {
+ − 1988 XtManageChild (widget_to_manage);
+ − 1989 set_min_dialog_size (widget);
+ − 1990 XmProcessTraversal(widget, XmTRAVERSE_CURRENT);
+ − 1991 }
+ − 1992 else
+ − 1993 XtUnmanageChild (widget_to_manage);
+ − 1994 }
+ − 1995 else
+ − 1996 #endif
+ − 1997 {
+ − 1998 if (up)
+ − 1999 XtManageChild (widget);
+ − 2000 else
+ − 2001 XtUnmanageChild (widget);
+ − 2002 }
+ − 2003 }
+ − 2004
+ − 2005
+ − 2006 /* motif callback */
+ − 2007
+ − 2008 enum do_call_type { pre_activate, selection, no_selection, post_activate };
+ − 2009
+ − 2010 static void
+ − 2011 do_call (Widget widget, XtPointer closure, enum do_call_type type)
+ − 2012 {
+ − 2013 XtPointer user_data;
+ − 2014 widget_instance* instance = (widget_instance*)closure;
+ − 2015 Widget instance_widget;
+ − 2016 LWLIB_ID id;
+ − 2017 Arg al [1];
+ − 2018
+ − 2019 if (!instance)
+ − 2020 return;
+ − 2021 if (widget->core.being_destroyed)
+ − 2022 return;
+ − 2023
+ − 2024 instance_widget = instance->widget;
+ − 2025 if (!instance_widget)
+ − 2026 return;
+ − 2027
+ − 2028 id = instance->info->id;
+ − 2029 user_data = NULL;
+ − 2030 XtSetArg(al [0], XmNuserData, &user_data);
+ − 2031 XtGetValues (widget, al, 1);
+ − 2032 switch (type)
+ − 2033 {
+ − 2034 case pre_activate:
+ − 2035 if (instance->info->pre_activate_cb)
+ − 2036 instance->info->pre_activate_cb (widget, id, user_data);
+ − 2037 break;
+ − 2038 case selection:
+ − 2039 if (instance->info->selection_cb)
+ − 2040 instance->info->selection_cb (widget, id, user_data);
+ − 2041 break;
+ − 2042 case no_selection:
+ − 2043 if (instance->info->selection_cb)
+ − 2044 instance->info->selection_cb (widget, id, (XtPointer) -1);
+ − 2045 break;
+ − 2046 case post_activate:
+ − 2047 if (instance->info->post_activate_cb)
+ − 2048 instance->info->post_activate_cb (widget, id, user_data);
+ − 2049 break;
+ − 2050 default:
+ − 2051 abort ();
+ − 2052 }
+ − 2053 }
+ − 2054
+ − 2055 /* Like lw_internal_update_other_instances except that it does not do
+ − 2056 anything if its shell parent is not managed. This is to protect
+ − 2057 lw_internal_update_other_instances to dereference freed memory
+ − 2058 if the widget was ``destroyed'' by caching it in the all_destroyed_instances
+ − 2059 list */
+ − 2060 static void
+ − 2061 xm_internal_update_other_instances (Widget widget, XtPointer closure,
+ − 2062 XtPointer call_data)
+ − 2063 {
+ − 2064 Widget parent;
+ − 2065 for (parent = widget; parent; parent = XtParent (parent))
+ − 2066 if (XtIsShell (parent))
+ − 2067 break;
+ − 2068 else if (!XtIsManaged (parent))
+ − 2069 return;
+ − 2070 lw_internal_update_other_instances (widget, closure, call_data);
+ − 2071 }
+ − 2072
+ − 2073 static void
+ − 2074 xm_generic_callback (Widget widget, XtPointer closure, XtPointer call_data)
+ − 2075 {
+ − 2076 #if (defined (LWLIB_MENUBARS_MOTIF) || defined (LWLIB_DIALOGS_MOTIF) || defined (LWLIB_WIDGETS_MOTIF))
+ − 2077 /* We want the selected status to change only when we decide it
+ − 2078 should change. Yuck but correct. */
+ − 2079 if (XtClass (widget) == xmToggleButtonWidgetClass
+ − 2080 || XtClass (widget) == xmToggleButtonGadgetClass)
+ − 2081 {
+ − 2082 Boolean check;
+ − 2083 Arg al [1];
+ − 2084
+ − 2085 XtSetArg (al [0], XmNset, &check);
+ − 2086 XtGetValues (widget, al, 1);
+ − 2087
+ − 2088 XtSetArg (al [0], XmNset, !check);
+ − 2089 XtSetValues (widget, al, 1);
+ − 2090 }
+ − 2091 #endif
+ − 2092 lw_internal_update_other_instances (widget, closure, call_data);
+ − 2093 do_call (widget, closure, selection);
+ − 2094 }
+ − 2095
1261
+ − 2096 #if 0 /* Caller above is commented out */
428
+ − 2097 static void
+ − 2098 xm_pop_down_callback (Widget widget, XtPointer closure, XtPointer call_data)
+ − 2099 {
+ − 2100 do_call (widget, closure, post_activate);
+ − 2101 }
1261
+ − 2102 #endif /* 0 */
428
+ − 2103
+ − 2104 #ifdef LWLIB_MENUBARS_MOTIF
+ − 2105
+ − 2106 static void
+ − 2107 xm_pull_down_callback (Widget widget, XtPointer closure, XtPointer call_data)
+ − 2108 {
+ − 2109 #if 0
+ − 2110 if (call_data)
+ − 2111 {
+ − 2112 /* new behavior for incremental menu construction */
+ − 2113
+ − 2114 }
+ − 2115 else
+ − 2116 #endif
+ − 2117 do_call (widget, closure, pre_activate);
+ − 2118 }
+ − 2119
+ − 2120 #endif /* LWLIB_MENUBARS_MOTIF */
+ − 2121
+ − 2122 #ifdef LWLIB_SCROLLBARS_MOTIF
+ − 2123 static void
+ − 2124 xm_scrollbar_callback (Widget widget, XtPointer closure, XtPointer call_data)
+ − 2125 {
+ − 2126 widget_instance *instance = (widget_instance *) closure;
+ − 2127 LWLIB_ID id;
+ − 2128 XmScrollBarCallbackStruct *data =
+ − 2129 (XmScrollBarCallbackStruct *) call_data;
+ − 2130 scroll_event event_data;
+ − 2131 scrollbar_values *val =
+ − 2132 (scrollbar_values *) instance->info->val->scrollbar_data;
+ − 2133 double percent;
+ − 2134
+ − 2135 if (!instance || widget->core.being_destroyed)
+ − 2136 return;
+ − 2137
+ − 2138 id = instance->info->id;
+ − 2139
+ − 2140 percent = (double) (data->value - 1) / (double) (INT_MAX - 1);
+ − 2141 event_data.slider_value =
+ − 2142 (int) (percent * (double) (val->maximum - val->minimum)) + val->minimum;
+ − 2143
+ − 2144 if (event_data.slider_value > (val->maximum - val->slider_size))
+ − 2145 event_data.slider_value = val->maximum - val->slider_size;
+ − 2146 else if (event_data.slider_value < 1)
+ − 2147 event_data.slider_value = 1;
+ − 2148
+ − 2149 if (data->event)
+ − 2150 {
+ − 2151 switch (data->event->xany.type)
+ − 2152 {
+ − 2153 case KeyPress:
+ − 2154 case KeyRelease:
+ − 2155 event_data.time = data->event->xkey.time;
+ − 2156 break;
+ − 2157 case ButtonPress:
+ − 2158 case ButtonRelease:
+ − 2159 event_data.time = data->event->xbutton.time;
+ − 2160 break;
+ − 2161 case MotionNotify:
+ − 2162 event_data.time = data->event->xmotion.time;
+ − 2163 break;
+ − 2164 case EnterNotify:
+ − 2165 case LeaveNotify:
+ − 2166 event_data.time = data->event->xcrossing.time;
+ − 2167 break;
+ − 2168 default:
+ − 2169 event_data.time = 0;
+ − 2170 break;
+ − 2171 }
+ − 2172 }
+ − 2173 else
+ − 2174 event_data.time = 0;
+ − 2175
+ − 2176 switch (data->reason)
+ − 2177 {
+ − 2178 case XmCR_DECREMENT:
+ − 2179 event_data.action = SCROLLBAR_LINE_UP;
+ − 2180 break;
+ − 2181 case XmCR_INCREMENT:
+ − 2182 event_data.action = SCROLLBAR_LINE_DOWN;
+ − 2183 break;
+ − 2184 case XmCR_PAGE_DECREMENT:
+ − 2185 event_data.action = SCROLLBAR_PAGE_UP;
+ − 2186 break;
+ − 2187 case XmCR_PAGE_INCREMENT:
+ − 2188 event_data.action = SCROLLBAR_PAGE_DOWN;
+ − 2189 break;
+ − 2190 case XmCR_TO_TOP:
+ − 2191 event_data.action = SCROLLBAR_TOP;
+ − 2192 break;
+ − 2193 case XmCR_TO_BOTTOM:
+ − 2194 event_data.action = SCROLLBAR_BOTTOM;
+ − 2195 break;
+ − 2196 case XmCR_DRAG:
+ − 2197 event_data.action = SCROLLBAR_DRAG;
+ − 2198 break;
+ − 2199 case XmCR_VALUE_CHANGED:
+ − 2200 event_data.action = SCROLLBAR_CHANGE;
+ − 2201 break;
+ − 2202 default:
+ − 2203 event_data.action = SCROLLBAR_CHANGE;
+ − 2204 break;
+ − 2205 }
+ − 2206
+ − 2207 if (instance->info->pre_activate_cb)
+ − 2208 instance->info->pre_activate_cb (widget, id, (XtPointer) &event_data);
+ − 2209 }
+ − 2210 #endif /* LWLIB_SCROLLBARS_MOTIF */
+ − 2211
+ − 2212 #if defined (LWLIB_DIALOGS_MOTIF) || defined (LWLIB_WIDGETS_MOTIF)
+ − 2213 static void
2311
+ − 2214 mark_dead_instance_destroyed (Widget UNUSED (widget), XtPointer closure,
+ − 2215 XtPointer UNUSED (call_data))
428
+ − 2216 {
+ − 2217 destroyed_instance* instance = (destroyed_instance*)closure;
+ − 2218 instance->widget = NULL;
+ − 2219 }
+ − 2220
+ − 2221 static void
2311
+ − 2222 xm_nosel_callback (Widget widget, XtPointer closure,
+ − 2223 XtPointer UNUSED (call_data))
428
+ − 2224 {
+ − 2225 /* This callback is only called when a dialog box is dismissed with the wm's
+ − 2226 destroy button (WM_DELETE_WINDOW.) We want the dialog box to be destroyed
+ − 2227 in that case, not just unmapped, so that it releases its keyboard grabs.
+ − 2228 But there are problems with running our callbacks while the widget is in
+ − 2229 the process of being destroyed, so we set XmNdeleteResponse to XmUNMAP
+ − 2230 instead of XmDESTROY and then destroy it ourself after having run the
+ − 2231 callback.
+ − 2232 */
+ − 2233 do_call (widget, closure, no_selection);
+ − 2234 XtDestroyWidget (widget);
+ − 2235 }
+ − 2236 #endif
+ − 2237
+ − 2238
+ − 2239 /* set the keyboard focus */
+ − 2240 void
2286
+ − 2241 xm_set_keyboard_focus (Widget UNUSED (parent), Widget w)
428
+ − 2242 {
+ − 2243 XmProcessTraversal (w, XmTRAVERSE_CURRENT);
+ − 2244 /* At some point we believed that it was necessary to use XtSetKeyboardFocus
+ − 2245 instead of XmProcessTraversal when using Motif >= 1.2.1, but that's bogus.
+ − 2246 Presumably the problem was elsewhere, and is now gone...
+ − 2247 */
+ − 2248 }