428
+ − 1 /* The lwlib interface to Athena widgets.
+ − 2 Copyright (C) 1993, 1994 Free Software Foundation, Inc.
+ − 3
+ − 4 This file is part of the Lucid Widget Library.
+ − 5
+ − 6 The Lucid Widget Library is free software; you can redistribute it and/or
+ − 7 modify it under the terms of the GNU General Public License as published by
+ − 8 the Free Software Foundation; either version 1, or (at your option)
+ − 9 any later version.
+ − 10
+ − 11 The Lucid Widget Library is distributed in the hope that it will be useful,
+ − 12 but WITHOUT ANY WARRANTY; without even the implied warranty of
+ − 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ − 14 GNU General Public License for more details.
+ − 15
+ − 16 You should have received a copy of the GNU General Public License
+ − 17 along with XEmacs; see the file COPYING. If not, write to
+ − 18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ − 19 Boston, MA 02111-1307, USA. */
+ − 20
+ − 21 #include <config.h>
+ − 22 #include <stdio.h>
+ − 23
+ − 24 #ifdef STDC_HEADERS
+ − 25 #include <stdlib.h>
+ − 26 #endif
+ − 27
+ − 28 #include "lwlib-Xaw.h"
+ − 29
+ − 30 #include <X11/StringDefs.h>
+ − 31 #include <X11/IntrinsicP.h>
+ − 32 #include <X11/CoreP.h>
+ − 33 #include <X11/Shell.h>
+ − 34
+ − 35 #ifdef LWLIB_SCROLLBARS_ATHENA
442
+ − 36 #include ATHENA_Scrollbar_h_
428
+ − 37 #endif
+ − 38 #ifdef LWLIB_DIALOGS_ATHENA
442
+ − 39 #include ATHENA_Dialog_h_
+ − 40 #include ATHENA_Form_h_
+ − 41 #include ATHENA_Command_h_
+ − 42 #include ATHENA_Label_h_
428
+ − 43 #endif
+ − 44 #ifdef LWLIB_WIDGETS_ATHENA
442
+ − 45 #include ATHENA_Toggle_h_
428
+ − 46 #include "xlwradio.h"
+ − 47 #include "xlwcheckbox.h"
+ − 48 #include "xlwgauge.h"
442
+ − 49 #include ATHENA_AsciiText_h_
428
+ − 50 #endif
+ − 51 #include <X11/Xatom.h>
+ − 52
+ − 53 static void xaw_generic_callback (Widget, XtPointer, XtPointer);
+ − 54
+ − 55
+ − 56 Boolean
+ − 57 lw_xaw_widget_p (Widget widget)
+ − 58 {
+ − 59 return (0
+ − 60 #ifdef LWLIB_SCROLLBARS_ATHENA
+ − 61 || XtIsSubclass (widget, scrollbarWidgetClass)
+ − 62 #endif
+ − 63 #ifdef LWLIB_DIALOGS_ATHENA
+ − 64 || XtIsSubclass (widget, dialogWidgetClass)
+ − 65 #endif
+ − 66 #ifdef LWLIB_WIDGETS_ATHENA
+ − 67 || XtIsSubclass (widget, labelWidgetClass)
+ − 68 || XtIsSubclass (widget, toggleWidgetClass)
+ − 69 || XtIsSubclass (widget, gaugeWidgetClass)
442
+ − 70 #ifndef NEED_MOTIF
+ − 71 || XtIsSubclass (widget, asciiTextWidgetClass)
428
+ − 72 #endif
+ − 73 #endif
+ − 74 );
+ − 75 }
+ − 76
+ − 77 #ifdef LWLIB_SCROLLBARS_ATHENA
+ − 78 static void
+ − 79 xaw_update_scrollbar (widget_instance *instance, Widget widget,
+ − 80 widget_value *val)
+ − 81 {
+ − 82 if (val->scrollbar_data)
+ − 83 {
+ − 84 scrollbar_values *data = val->scrollbar_data;
+ − 85 float widget_shown, widget_topOfThumb;
+ − 86 float new_shown, new_topOfThumb;
+ − 87 Arg al [10];
+ − 88
+ − 89 /* First size and position the scrollbar widget. */
+ − 90 XtSetArg (al [0], XtNx, data->scrollbar_x);
+ − 91 XtSetArg (al [1], XtNy, data->scrollbar_y);
+ − 92 XtSetArg (al [2], XtNwidth, data->scrollbar_width);
+ − 93 XtSetArg (al [3], XtNheight, data->scrollbar_height);
+ − 94 XtSetValues (widget, al, 4);
+ − 95
+ − 96 /* Now size the scrollbar's slider. */
+ − 97 XtSetArg (al [0], XtNtopOfThumb, &widget_topOfThumb);
+ − 98 XtSetArg (al [1], XtNshown, &widget_shown);
+ − 99 XtGetValues (widget, al, 2);
+ − 100
+ − 101 new_shown = (double) data->slider_size /
+ − 102 (double) (data->maximum - data->minimum);
+ − 103
+ − 104 new_topOfThumb = (double) (data->slider_position - data->minimum) /
+ − 105 (double) (data->maximum - data->minimum);
+ − 106
+ − 107 if (new_shown > 1.0)
+ − 108 new_shown = 1.0;
+ − 109 else if (new_shown < 0)
+ − 110 new_shown = 0;
+ − 111
+ − 112 if (new_topOfThumb > 1.0)
+ − 113 new_topOfThumb = 1.0;
+ − 114 else if (new_topOfThumb < 0)
+ − 115 new_topOfThumb = 0;
+ − 116
+ − 117 if (new_shown != widget_shown || new_topOfThumb != widget_topOfThumb)
+ − 118 XawScrollbarSetThumb (widget, new_topOfThumb, new_shown);
+ − 119 }
+ − 120 }
+ − 121 #endif /* LWLIB_SCROLLBARS_ATHENA */
+ − 122
+ − 123 void
+ − 124 xaw_update_one_widget (widget_instance *instance, Widget widget,
+ − 125 widget_value *val, Boolean deep_p)
+ − 126 {
+ − 127 if (0)
+ − 128 ;
+ − 129 #ifdef LWLIB_SCROLLBARS_ATHENA
+ − 130 else if (XtIsSubclass (widget, scrollbarWidgetClass))
+ − 131 {
+ − 132 xaw_update_scrollbar (instance, widget, val);
+ − 133 }
+ − 134 #endif
442
+ − 135 #ifdef LWLIB_WIDGETS_ATHENA
+ − 136 #ifndef NEED_MOTIF
+ − 137 else if (XtIsSubclass (widget, asciiTextWidgetClass))
+ − 138 {
+ − 139 }
+ − 140 #endif
+ − 141 #endif
428
+ − 142 #ifdef LWLIB_DIALOGS_ATHENA
+ − 143 else if (XtIsSubclass (widget, dialogWidgetClass))
+ − 144 {
+ − 145 Arg al [1];
+ − 146 XtSetArg (al [0], XtNlabel, val->contents->value);
+ − 147 XtSetValues (widget, al, 1);
+ − 148 }
+ − 149 #endif /* LWLIB_DIALOGS_ATHENA */
+ − 150 #ifdef LWLIB_WIDGETS_ATHENA
438
+ − 151 else if (XtClass (widget) == labelWidgetClass)
428
+ − 152 {
+ − 153 Arg al [1];
+ − 154 XtSetArg (al [0], XtNlabel, val->value);
+ − 155 XtSetValues (widget, al, 1);
+ − 156 }
+ − 157 #endif /* LWLIB_WIDGETS_ATHENA */
+ − 158 #if defined (LWLIB_DIALOGS_ATHENA) || defined (LWLIB_WIDGETS_ATHENA)
+ − 159 else if (XtIsSubclass (widget, commandWidgetClass))
+ − 160 {
+ − 161 Dimension bw = 0;
+ − 162 Arg al [3];
+ − 163 XtSetArg (al [0], XtNborderWidth, &bw);
+ − 164 XtGetValues (widget, al, 1);
+ − 165
+ − 166 #ifndef LWLIB_DIALOGS_ATHENA3D
+ − 167 if (bw == 0)
+ − 168 /* Don't let buttons end up with 0 borderwidth, that's ugly...
+ − 169 Yeah, all this should really be done through app-defaults files
+ − 170 or fallback resources, but that's a whole different can of worms
+ − 171 that I don't feel like opening right now. Making Athena widgets
+ − 172 not look like shit is just entirely too much work.
+ − 173 */
+ − 174 {
+ − 175 XtSetArg (al [0], XtNborderWidth, 1);
+ − 176 XtSetValues (widget, al, 1);
+ − 177 }
+ − 178 #endif /* ! LWLIB_DIALOGS_ATHENA3D */
+ − 179
442
+ − 180 lw_remove_accelerator_spec (val->value);
428
+ − 181 XtSetArg (al [0], XtNlabel, val->value);
+ − 182 XtSetArg (al [1], XtNsensitive, val->enabled);
+ − 183 /* Force centered button text. See above. */
+ − 184 XtSetArg (al [2], XtNjustify, XtJustifyCenter);
+ − 185 XtSetValues (widget, al, 3);
+ − 186
+ − 187 XtRemoveAllCallbacks (widget, XtNcallback);
+ − 188 XtAddCallback (widget, XtNcallback, xaw_generic_callback, instance);
+ − 189 #ifdef LWLIB_WIDGETS_ATHENA
+ − 190 /* set the selected state */
+ − 191 if (XtIsSubclass (widget, toggleWidgetClass))
+ − 192 {
+ − 193 XtSetArg (al [0], XtNstate, val->selected);
+ − 194 XtSetValues (widget, al, 1);
+ − 195 }
+ − 196 #endif /* LWLIB_WIDGETS_ATHENA */
+ − 197 }
+ − 198 #endif /* LWLIB_DIALOGS_ATHENA */
442
+ − 199 /* Lastly update our global arg values. */
+ − 200 if (val->args && val->args->nargs)
+ − 201 XtSetValues (widget, val->args->args, val->args->nargs);
428
+ − 202 }
+ − 203
+ − 204 void
+ − 205 xaw_update_one_value (widget_instance *instance, Widget widget,
+ − 206 widget_value *val)
+ − 207 {
+ − 208 #ifdef LWLIB_WIDGETS_ATHENA
+ − 209 widget_value *old_wv;
+ − 210
+ − 211 /* copy the call_data slot into the "return" widget_value */
+ − 212 for (old_wv = instance->info->val->contents; old_wv; old_wv = old_wv->next)
+ − 213 if (!strcmp (val->name, old_wv->name))
+ − 214 {
+ − 215 val->call_data = old_wv->call_data;
+ − 216 break;
+ − 217 }
+ − 218
+ − 219 if (XtIsSubclass (widget, toggleWidgetClass))
+ − 220 {
+ − 221 Arg al [1];
+ − 222 XtSetArg (al [0], XtNstate, &val->selected);
+ − 223 XtGetValues (widget, al, 1);
+ − 224 val->edited = True;
+ − 225 }
+ − 226 #ifndef NEED_MOTIF
+ − 227 else if (XtIsSubclass (widget, asciiTextWidgetClass))
+ − 228 {
442
+ − 229 Arg al [2];
+ − 230 String buf = 0;
+ − 231 XtSetArg (al [0], XtNstring, &buf);
+ − 232 XtGetValues (widget, al, 1);
+ − 233
428
+ − 234 if (val->value)
442
+ − 235 {
+ − 236 free (val->value);
+ − 237 val->value = 0;
+ − 238 }
+ − 239 /* I don't think this causes a leak. */
+ − 240 if (buf)
+ − 241 val->value = strdup (buf);
428
+ − 242 val->edited = True;
+ − 243 }
+ − 244 #endif
+ − 245 #endif /* LWLIB_WIDGETS_ATHENA */
+ − 246 }
+ − 247
+ − 248 void
+ − 249 xaw_destroy_instance (widget_instance *instance)
+ − 250 {
+ − 251 #ifdef LWLIB_DIALOGS_ATHENA
+ − 252 if (XtIsSubclass (instance->widget, dialogWidgetClass))
+ − 253 /* Need to destroy the Shell too. */
+ − 254 XtDestroyWidget (XtParent (instance->widget));
+ − 255 else
+ − 256 #endif
+ − 257 XtDestroyWidget (instance->widget);
+ − 258 }
+ − 259
+ − 260 void
+ − 261 xaw_popup_menu (Widget widget, XEvent *event)
+ − 262 {
+ − 263 /* An Athena menubar has not been implemented. */
+ − 264 return;
+ − 265 }
+ − 266
+ − 267 void
+ − 268 xaw_pop_instance (widget_instance *instance, Boolean up)
+ − 269 {
+ − 270 Widget widget = instance->widget;
+ − 271
+ − 272 if (up)
+ − 273 {
+ − 274 #ifdef LWLIB_DIALOGS_ATHENA
+ − 275 if (XtIsSubclass (widget, dialogWidgetClass))
+ − 276 {
+ − 277 /* For dialogs, we need to call XtPopup on the parent instead
+ − 278 of calling XtManageChild on the widget.
+ − 279 Also we need to hack the shell's WM_PROTOCOLS to get it to
+ − 280 understand what the close box is supposed to do!!
+ − 281 */
+ − 282 Display *dpy = XtDisplay (widget);
+ − 283 Widget shell = XtParent (widget);
+ − 284 Atom props [2];
+ − 285 int i = 0;
+ − 286 props [i++] = XInternAtom (dpy, "WM_DELETE_WINDOW", False);
+ − 287 XChangeProperty (dpy, XtWindow (shell),
+ − 288 XInternAtom (dpy, "WM_PROTOCOLS", False),
+ − 289 XA_ATOM, 32, PropModeAppend,
+ − 290 (unsigned char *) props, i);
+ − 291
+ − 292 /* Center the widget in its parent. Why isn't this kind of crap
+ − 293 done automatically? I thought toolkits were supposed to make
+ − 294 life easier?
+ − 295 */
+ − 296 {
+ − 297 unsigned int x, y, w, h;
+ − 298 Widget topmost = instance->parent;
+ − 299 w = shell->core.width;
+ − 300 h = shell->core.height;
+ − 301 while (topmost->core.parent &&
+ − 302 XtIsRealized (topmost->core.parent) &&
+ − 303 /* HAVE_SESSION adds an unmapped parent widget that
+ − 304 we should ignore here. */
+ − 305 topmost->core.parent->core.mapped_when_managed)
+ − 306 topmost = topmost->core.parent;
+ − 307 if (topmost->core.width < w) x = topmost->core.x;
+ − 308 else x = topmost->core.x + ((topmost->core.width - w) / 2);
+ − 309 if (topmost->core.height < h) y = topmost->core.y;
+ − 310 else y = topmost->core.y + ((topmost->core.height - h) / 2);
+ − 311 XtMoveWidget (shell, x, y);
+ − 312 }
+ − 313
+ − 314 /* Finally, pop it up. */
+ − 315 XtPopup (shell, XtGrabNonexclusive);
+ − 316 }
+ − 317 else
+ − 318 #endif /* LWLIB_DIALOGS_ATHENA */
+ − 319 XtManageChild (widget);
+ − 320 }
+ − 321 else
+ − 322 {
+ − 323 #ifdef LWLIB_DIALOGS_ATHENA
+ − 324 if (XtIsSubclass (widget, dialogWidgetClass))
+ − 325 XtUnmanageChild (XtParent (widget));
+ − 326 else
+ − 327 #endif
+ − 328 XtUnmanageChild (widget);
+ − 329 }
+ − 330 }
+ − 331
+ − 332
+ − 333 #ifdef LWLIB_DIALOGS_ATHENA
+ − 334 /* Dialog boxes */
+ − 335
+ − 336 static char overrideTrans[] =
+ − 337 "<Message>WM_PROTOCOLS: lwlib_delete_dialog()";
+ − 338 static XtActionProc wm_delete_window (Widget shell, XtPointer closure,
+ − 339 XtPointer call_data);
+ − 340 static XtActionsRec xaw_actions [] = {
+ − 341 {"lwlib_delete_dialog", (XtActionProc) wm_delete_window}
+ − 342 };
+ − 343 static Boolean actions_initted = False;
+ − 344
+ − 345 static Widget
442
+ − 346 make_dialog (const char* name, Widget parent, Boolean pop_up_p,
+ − 347 const char* shell_title, const char* icon_name,
428
+ − 348 Boolean text_input_slot,
+ − 349 Boolean radio_box, Boolean list,
+ − 350 int left_buttons, int right_buttons)
+ − 351 {
+ − 352 Arg av [20];
+ − 353 int ac = 0;
+ − 354 int i, bc;
+ − 355 char button_name [255];
+ − 356 Widget shell;
+ − 357 Widget dialog;
+ − 358 Widget button;
+ − 359 XtTranslations override;
+ − 360
+ − 361 if (! pop_up_p) abort (); /* not implemented */
+ − 362 if (text_input_slot) abort (); /* not implemented */
+ − 363 if (radio_box) abort (); /* not implemented */
+ − 364 if (list) abort (); /* not implemented */
+ − 365
+ − 366 if (! actions_initted)
+ − 367 {
+ − 368 XtAppContext app = XtWidgetToApplicationContext (parent);
+ − 369 XtAppAddActions (app, xaw_actions,
+ − 370 sizeof (xaw_actions) / sizeof (xaw_actions[0]));
+ − 371 actions_initted = True;
+ − 372 }
+ − 373
+ − 374 override = XtParseTranslationTable (overrideTrans);
+ − 375
+ − 376 ac = 0;
+ − 377 XtSetArg (av[ac], XtNtitle, shell_title); ac++;
+ − 378 XtSetArg (av[ac], XtNallowShellResize, True); ac++;
+ − 379 XtSetArg (av[ac], XtNtransientFor, parent); ac++;
+ − 380 shell = XtCreatePopupShell ("dialog", transientShellWidgetClass,
+ − 381 parent, av, ac);
+ − 382 XtOverrideTranslations (shell, override);
+ − 383
+ − 384 ac = 0;
+ − 385 dialog = XtCreateManagedWidget (name, dialogWidgetClass, shell, av, ac);
+ − 386
+ − 387 bc = 0;
+ − 388 button = 0;
+ − 389 for (i = 0; i < left_buttons; i++)
+ − 390 {
+ − 391 ac = 0;
+ − 392 XtSetArg (av [ac], XtNfromHoriz, button); ac++;
+ − 393 XtSetArg (av [ac], XtNleft, XtChainLeft); ac++;
+ − 394 XtSetArg (av [ac], XtNright, XtChainLeft); ac++;
+ − 395 XtSetArg (av [ac], XtNtop, XtChainBottom); ac++;
+ − 396 XtSetArg (av [ac], XtNbottom, XtChainBottom); ac++;
+ − 397 XtSetArg (av [ac], XtNresizable, True); ac++;
+ − 398 sprintf (button_name, "button%d", ++bc);
+ − 399 button = XtCreateManagedWidget (button_name, commandWidgetClass,
+ − 400 dialog, av, ac);
+ − 401 }
+ − 402 if (right_buttons)
+ − 403 {
+ − 404 /* Create a separator
+ − 405
+ − 406 I want the separator to take up the slack between the buttons on
+ − 407 the right and the buttons on the left (that is I want the buttons
+ − 408 after the separator to be packed against the right edge of the
+ − 409 window) but I can't seem to make it do it.
+ − 410 */
+ − 411 ac = 0;
+ − 412 XtSetArg (av [ac], XtNfromHoriz, button); ac++;
+ − 413 /* XtSetArg (av [ac], XtNfromVert, XtNameToWidget (dialog, "label")); ac++; */
+ − 414 XtSetArg (av [ac], XtNleft, XtChainLeft); ac++;
+ − 415 XtSetArg (av [ac], XtNright, XtChainRight); ac++;
+ − 416 XtSetArg (av [ac], XtNtop, XtChainBottom); ac++;
+ − 417 XtSetArg (av [ac], XtNbottom, XtChainBottom); ac++;
+ − 418 XtSetArg (av [ac], XtNlabel, ""); ac++;
+ − 419 XtSetArg (av [ac], XtNwidth, 30); ac++; /* #### aaack!! */
+ − 420 XtSetArg (av [ac], XtNborderWidth, 0); ac++;
+ − 421 XtSetArg (av [ac], XtNshapeStyle, XmuShapeRectangle); ac++;
+ − 422 XtSetArg (av [ac], XtNresizable, False); ac++;
+ − 423 XtSetArg (av [ac], XtNsensitive, False); ac++;
+ − 424 button = XtCreateManagedWidget ("separator",
+ − 425 /* labelWidgetClass, */
+ − 426 /* This has to be Command to fake out
+ − 427 the Dialog widget... */
+ − 428 commandWidgetClass,
+ − 429 dialog, av, ac);
+ − 430 }
+ − 431 for (i = 0; i < right_buttons; i++)
+ − 432 {
+ − 433 ac = 0;
+ − 434 XtSetArg (av [ac], XtNfromHoriz, button); ac++;
+ − 435 XtSetArg (av [ac], XtNleft, XtChainRight); ac++;
+ − 436 XtSetArg (av [ac], XtNright, XtChainRight); ac++;
+ − 437 XtSetArg (av [ac], XtNtop, XtChainBottom); ac++;
+ − 438 XtSetArg (av [ac], XtNbottom, XtChainBottom); ac++;
+ − 439 XtSetArg (av [ac], XtNresizable, True); ac++;
+ − 440 sprintf (button_name, "button%d", ++bc);
+ − 441 button = XtCreateManagedWidget (button_name, commandWidgetClass,
+ − 442 dialog, av, ac);
+ − 443 }
+ − 444
+ − 445 return dialog;
+ − 446 }
+ − 447
+ − 448 Widget
+ − 449 xaw_create_dialog (widget_instance* instance)
+ − 450 {
+ − 451 char *name = instance->info->type;
+ − 452 Widget parent = instance->parent;
+ − 453 Widget widget;
+ − 454 Boolean pop_up_p = instance->pop_up_p;
442
+ − 455 const char *shell_name = 0;
+ − 456 const char *icon_name = 0;
428
+ − 457 Boolean text_input_slot = False;
+ − 458 Boolean radio_box = False;
+ − 459 Boolean list = False;
+ − 460 int total_buttons;
+ − 461 int left_buttons = 0;
+ − 462 int right_buttons = 1;
+ − 463
+ − 464 switch (name [0]) {
+ − 465 case 'E': case 'e':
+ − 466 icon_name = "dbox-error";
+ − 467 shell_name = "Error";
+ − 468 break;
+ − 469
+ − 470 case 'I': case 'i':
+ − 471 icon_name = "dbox-info";
+ − 472 shell_name = "Information";
+ − 473 break;
+ − 474
+ − 475 case 'L': case 'l':
+ − 476 list = True;
+ − 477 icon_name = "dbox-question";
+ − 478 shell_name = "Prompt";
+ − 479 break;
+ − 480
+ − 481 case 'P': case 'p':
+ − 482 text_input_slot = True;
+ − 483 icon_name = "dbox-question";
+ − 484 shell_name = "Prompt";
+ − 485 break;
+ − 486
+ − 487 case 'Q': case 'q':
+ − 488 icon_name = "dbox-question";
+ − 489 shell_name = "Question";
+ − 490 break;
+ − 491 }
+ − 492
+ − 493 total_buttons = name [1] - '0';
+ − 494
+ − 495 if (name [3] == 'T' || name [3] == 't')
+ − 496 {
+ − 497 text_input_slot = False;
+ − 498 radio_box = True;
+ − 499 }
+ − 500 else if (name [3])
+ − 501 right_buttons = name [4] - '0';
+ − 502
+ − 503 left_buttons = total_buttons - right_buttons;
+ − 504
+ − 505 widget = make_dialog (name, parent, pop_up_p,
+ − 506 shell_name, icon_name, text_input_slot, radio_box,
+ − 507 list, left_buttons, right_buttons);
+ − 508
+ − 509 return widget;
+ − 510 }
+ − 511 #endif /* LWLIB_DIALOGS_ATHENA */
+ − 512
+ − 513
+ − 514 static void
+ − 515 xaw_generic_callback (Widget widget, XtPointer closure, XtPointer call_data)
+ − 516 {
+ − 517 widget_instance *instance = (widget_instance *) closure;
+ − 518 Widget instance_widget;
+ − 519 LWLIB_ID id;
+ − 520 XtPointer user_data;
+ − 521 #ifdef LWLIB_WIDGETS_ATHENA
+ − 522 /* We want the selected status to change only when we decide it
+ − 523 should change. Yuck but correct. */
+ − 524 if (XtIsSubclass (widget, toggleWidgetClass))
+ − 525 {
+ − 526 Boolean check;
+ − 527 Arg al [1];
+ − 528
+ − 529 XtSetArg (al [0], XtNstate, &check);
+ − 530 XtGetValues (widget, al, 1);
+ − 531
+ − 532 XtSetArg (al [0], XtNstate, !check);
+ − 533 XtSetValues (widget, al, 1);
+ − 534 }
+ − 535 #endif /* LWLIB_WIDGETS_ATHENA */
+ − 536 lw_internal_update_other_instances (widget, closure, call_data);
+ − 537
+ − 538 if (! instance)
+ − 539 return;
+ − 540 if (widget->core.being_destroyed)
+ − 541 return;
+ − 542
+ − 543 instance_widget = instance->widget;
+ − 544 if (!instance_widget)
+ − 545 return;
+ − 546
+ − 547 id = instance->info->id;
+ − 548
+ − 549 #if 0
+ − 550 user_data = NULL;
+ − 551 {
+ − 552 Arg al [1];
+ − 553 XtSetArg (al [0], XtNuserData, &user_data);
+ − 554 XtGetValues (widget, al, 1);
+ − 555 }
+ − 556 #else
+ − 557 /* Damn! Athena doesn't give us a way to hang our own data on the
+ − 558 buttons, so we have to go find it... I guess this assumes that
+ − 559 all instances of a button have the same call data.
+ − 560
+ − 561 ... Which is a totally bogus assumption --andyp */
+ − 562 {
+ − 563 widget_value *val = instance->info->val;
+ − 564 /* If the widget is a buffer/gutter widget then we already have
+ − 565 the one we are looking for, so don't try and descend the widget
+ − 566 tree. */
+ − 567 if (val->contents)
+ − 568 {
+ − 569 char *name = XtName (widget);
+ − 570 val = val->contents;
+ − 571 while (val)
+ − 572 {
+ − 573 if (val->name && !strcmp (val->name, name))
+ − 574 break;
+ − 575 val = val->next;
+ − 576 }
+ − 577 if (! val) abort ();
+ − 578 }
+ − 579 user_data = val->call_data;
+ − 580 }
+ − 581 #endif
+ − 582
+ − 583 if (instance->info->selection_cb)
+ − 584 instance->info->selection_cb (widget, id, user_data);
+ − 585 }
+ − 586
+ − 587 #ifdef LWLIB_DIALOGS_ATHENA
+ − 588
+ − 589 static XtActionProc
+ − 590 wm_delete_window (Widget shell, XtPointer closure, XtPointer call_data)
+ − 591 {
+ − 592 LWLIB_ID id;
+ − 593 Widget *kids = 0;
+ − 594 Widget widget;
+ − 595 Arg al [1];
+ − 596 if (! XtIsSubclass (shell, shellWidgetClass))
+ − 597 abort ();
+ − 598 XtSetArg (al [0], XtNchildren, &kids);
+ − 599 XtGetValues (shell, al, 1);
+ − 600 if (!kids || !*kids)
+ − 601 abort ();
+ − 602 widget = kids [0];
+ − 603 if (! XtIsSubclass (widget, dialogWidgetClass))
+ − 604 abort ();
+ − 605 id = lw_get_widget_id (widget);
+ − 606 if (! id) abort ();
+ − 607
+ − 608 {
+ − 609 widget_info *info = lw_get_widget_info (id);
+ − 610 if (! info) abort ();
+ − 611 if (info->selection_cb)
+ − 612 info->selection_cb (widget, id, (XtPointer) -1);
+ − 613 }
+ − 614
+ − 615 lw_destroy_all_widgets (id);
+ − 616 return NULL;
+ − 617 }
+ − 618
+ − 619 #endif /* LWLIB_DIALOGS_ATHENA */
+ − 620
+ − 621
+ − 622 /* Scrollbars */
+ − 623
+ − 624 #ifdef LWLIB_SCROLLBARS_ATHENA
+ − 625 static void
+ − 626 xaw_scrollbar_scroll (Widget widget, XtPointer closure, XtPointer call_data)
+ − 627 {
+ − 628 widget_instance *instance = (widget_instance *) closure;
+ − 629 LWLIB_ID id;
+ − 630 scroll_event event_data;
+ − 631
+ − 632 if (!instance || widget->core.being_destroyed)
+ − 633 return;
+ − 634
+ − 635 id = instance->info->id;
+ − 636 event_data.slider_value = (int) call_data;
+ − 637 event_data.time = 0;
+ − 638
+ − 639 if ((int) call_data > 0)
+ − 640 /* event_data.action = SCROLLBAR_PAGE_DOWN;*/
+ − 641 event_data.action = SCROLLBAR_LINE_DOWN;
+ − 642 else
+ − 643 /* event_data.action = SCROLLBAR_PAGE_UP;*/
+ − 644 event_data.action = SCROLLBAR_LINE_UP;
+ − 645
+ − 646 if (instance->info->pre_activate_cb)
+ − 647 instance->info->pre_activate_cb (widget, id, (XtPointer) &event_data);
+ − 648 }
+ − 649
+ − 650 static void
+ − 651 xaw_scrollbar_jump (Widget widget, XtPointer closure, XtPointer call_data)
+ − 652 {
+ − 653 widget_instance *instance = (widget_instance *) closure;
+ − 654 LWLIB_ID id;
+ − 655 scroll_event event_data;
+ − 656 scrollbar_values *val =
+ − 657 (scrollbar_values *) instance->info->val->scrollbar_data;
+ − 658 float percent;
+ − 659
+ − 660 if (!instance || widget->core.being_destroyed)
+ − 661 return;
+ − 662
+ − 663 id = instance->info->id;
+ − 664
+ − 665 percent = * (float *) call_data;
+ − 666 event_data.slider_value =
+ − 667 (int) (percent * (float) (val->maximum - val->minimum)) + val->minimum;
+ − 668
+ − 669 event_data.time = 0;
+ − 670 event_data.action = SCROLLBAR_DRAG;
+ − 671
+ − 672 if (instance->info->pre_activate_cb)
+ − 673 instance->info->pre_activate_cb (widget, id, (XtPointer) &event_data);
+ − 674 }
+ − 675
+ − 676 static Widget
+ − 677 xaw_create_scrollbar (widget_instance *instance, int vertical)
+ − 678 {
+ − 679 Arg av[10];
+ − 680 int ac = 0;
+ − 681
+ − 682 static XtCallbackRec jumpCallbacks[2] =
+ − 683 { {xaw_scrollbar_jump, NULL}, {NULL, NULL} };
+ − 684
+ − 685 static XtCallbackRec scrollCallbacks[2] =
+ − 686 { {xaw_scrollbar_scroll, NULL}, {NULL, NULL} };
+ − 687
+ − 688 jumpCallbacks[0].closure = scrollCallbacks[0].closure = (XtPointer) instance;
+ − 689
+ − 690 /* #### This is tacked onto the with and height and completely
+ − 691 screws our geometry management. We should probably make the
+ − 692 top-level aware of this so that people could have a border but so
+ − 693 few people use the Athena scrollbar now that it really isn't
+ − 694 worth the effort, at least not at the moment. */
+ − 695 XtSetArg (av [ac], XtNborderWidth, 0); ac++;
+ − 696 XtSetArg (av [ac], XtNorientation,
+ − 697 vertical ? XtorientVertical : XtorientHorizontal); ac++;
+ − 698 XtSetArg (av [ac], "jumpProc", jumpCallbacks); ac++;
+ − 699 XtSetArg (av [ac], "scrollProc", scrollCallbacks); ac++;
+ − 700
+ − 701 return XtCreateWidget (instance->info->name, scrollbarWidgetClass,
+ − 702 instance->parent, av, ac);
+ − 703 }
+ − 704
+ − 705 static Widget
+ − 706 xaw_create_vertical_scrollbar (widget_instance *instance)
+ − 707 {
+ − 708 return xaw_create_scrollbar (instance, 1);
+ − 709 }
+ − 710
+ − 711 static Widget
+ − 712 xaw_create_horizontal_scrollbar (widget_instance *instance)
+ − 713 {
+ − 714 return xaw_create_scrollbar (instance, 0);
+ − 715 }
+ − 716 #endif /* LWLIB_SCROLLBARS_ATHENA */
+ − 717
+ − 718 #ifdef LWLIB_WIDGETS_ATHENA
+ − 719 /* glyph widgets */
+ − 720 static Widget
+ − 721 xaw_create_button (widget_instance *instance)
+ − 722 {
+ − 723 Arg al[20];
+ − 724 int ac = 0;
+ − 725 Widget button = 0;
+ − 726 widget_value* val = instance->info->val;
+ − 727
+ − 728 XtSetArg (al [ac], XtNsensitive, val->enabled); ac++;
+ − 729 XtSetArg (al [ac], XtNmappedWhenManaged, FALSE); ac++;
+ − 730 XtSetArg (al [ac], XtNjustify, XtJustifyCenter); ac++;
+ − 731 /* The highlight doesn't appear to be dynamically set which makes it
+ − 732 look ugly. I think this may be a LessTif bug but for now we just
+ − 733 get rid of it. */
+ − 734 XtSetArg (al [ac], XtNhighlightThickness, (Dimension)0);ac++;
+ − 735
+ − 736 /* add any args the user supplied for creation time */
+ − 737 lw_add_value_args_to_args (val, al, &ac);
+ − 738
+ − 739 if (!val->call_data)
+ − 740 button = XtCreateManagedWidget (val->name, labelWidgetClass,
+ − 741 instance->parent, al, ac);
+ − 742
+ − 743 else
+ − 744 {
+ − 745 if (val->type == TOGGLE_TYPE || val->type == RADIO_TYPE)
+ − 746 {
+ − 747 XtSetArg (al [ac], XtNstate, val->selected); ac++;
+ − 748 button = XtCreateManagedWidget
+ − 749 (val->name,
+ − 750 val->type == TOGGLE_TYPE ? checkboxWidgetClass : radioWidgetClass,
+ − 751 instance->parent, al, ac);
+ − 752 }
+ − 753 else
+ − 754 {
+ − 755 button = XtCreateManagedWidget (val->name, commandWidgetClass,
+ − 756 instance->parent, al, ac);
+ − 757 }
+ − 758 XtRemoveAllCallbacks (button, XtNcallback);
+ − 759 XtAddCallback (button, XtNcallback, xaw_generic_callback, (XtPointer)instance);
+ − 760 }
+ − 761
+ − 762 XtManageChild (button);
+ − 763
+ − 764 return button;
+ − 765 }
+ − 766
+ − 767 static Widget
+ − 768 xaw_create_label_field (widget_instance *instance)
+ − 769 {
+ − 770 return xaw_create_label (instance->parent, instance->info->val);
+ − 771 }
+ − 772
+ − 773 Widget
+ − 774 xaw_create_label (Widget parent, widget_value* val)
+ − 775 {
+ − 776 Arg al[20];
+ − 777 int ac = 0;
+ − 778 Widget label = 0;
+ − 779
+ − 780 XtSetArg (al [ac], XtNsensitive, val->enabled); ac++;
+ − 781 XtSetArg (al [ac], XtNmappedWhenManaged, FALSE); ac++;
+ − 782 XtSetArg (al [ac], XtNjustify, XtJustifyCenter); ac++;
+ − 783
+ − 784 /* add any args the user supplied for creation time */
+ − 785 lw_add_value_args_to_args (val, al, &ac);
+ − 786
+ − 787 label = XtCreateManagedWidget (val->name, labelWidgetClass,
+ − 788 parent, al, ac);
+ − 789
+ − 790 /* Do it again for arguments that have no effect until the widget is realized. */
+ − 791 ac = 0;
+ − 792 lw_add_value_args_to_args (val, al, &ac);
442
+ − 793 if (ac > 20)
+ − 794 abort (); /* #### need assert macro in lwlib */
428
+ − 795 XtSetValues (label, al, ac);
+ − 796
+ − 797 return label;
+ − 798 }
+ − 799
+ − 800 static Widget
+ − 801 xaw_create_progress (widget_instance *instance)
+ − 802 {
+ − 803 Arg al[20];
+ − 804 int ac = 0;
+ − 805 Widget scale = 0;
+ − 806 widget_value* val = instance->info->val;
442
+ − 807 #if 0 /* This looks too awful, although more correct. */
428
+ − 808 if (!val->call_data)
+ − 809 {
+ − 810 XtSetArg (al [ac], XtNsensitive, False); ac++;
+ − 811 }
+ − 812 else
+ − 813 {
+ − 814 XtSetArg (al [ac], XtNsensitive, val->enabled); ac++;
+ − 815 }
442
+ − 816 #else
+ − 817 XtSetArg (al [ac], XtNsensitive, True); ac++;
+ − 818 #endif
+ − 819
428
+ − 820 XtSetArg (al [ac], XtNmappedWhenManaged, FALSE); ac++;
+ − 821 XtSetArg (al [ac], XtNorientation, XtorientHorizontal); ac++;
+ − 822 XtSetArg (al [ac], XtNhighlightThickness, (Dimension)0);ac++;
+ − 823 XtSetArg (al [ac], XtNntics, (Cardinal)10);ac++;
+ − 824
+ − 825 /* add any args the user supplied for creation time */
+ − 826 lw_add_value_args_to_args (val, al, &ac);
+ − 827
+ − 828 scale = XtCreateManagedWidget (val->name, gaugeWidgetClass,
+ − 829 instance->parent, al, ac);
+ − 830 /* add the callback */
+ − 831 if (val->call_data)
+ − 832 XtAddCallback (scale, XtNgetValue, xaw_generic_callback, (XtPointer)instance);
+ − 833
+ − 834 XtManageChild (scale);
+ − 835
+ − 836 return scale;
+ − 837 }
+ − 838
460
+ − 839 #if defined(LWLIB_WIDGETS_ATHENA)
442
+ − 840 #define TEXT_BUFFER_SIZE 128
428
+ − 841 static Widget
+ − 842 xaw_create_text_field (widget_instance *instance)
+ − 843 {
+ − 844 Arg al[20];
+ − 845 int ac = 0;
+ − 846 Widget text = 0;
+ − 847 widget_value* val = instance->info->val;
+ − 848
442
+ − 849 XtSetArg (al [ac], XtNsensitive, val->enabled); ac++;
428
+ − 850 XtSetArg (al [ac], XtNmappedWhenManaged, FALSE); ac++;
+ − 851 XtSetArg (al [ac], XtNhighlightThickness, (Dimension)0); ac++;
+ − 852 XtSetArg (al [ac], XtNtype, XawAsciiString); ac++;
+ − 853 XtSetArg (al [ac], XtNeditType, XawtextEdit); ac++;
442
+ − 854 XtSetArg (al [ac], XtNuseStringInPlace, False); ac++;
+ − 855 #if 0
+ − 856 XtSetArg (al [ac], XtNlength, TEXT_BUFFER_SIZE); ac++;
+ − 857 #endif
+ − 858 if (val->value)
+ − 859 {
+ − 860 XtSetArg (al [ac], XtNstring, val->value); ac++;
+ − 861 }
428
+ − 862
+ − 863 /* add any args the user supplied for creation time */
+ − 864 lw_add_value_args_to_args (val, al, &ac);
+ − 865
+ − 866 text = XtCreateManagedWidget (val->name, asciiTextWidgetClass,
+ − 867 instance->parent, al, ac);
442
+ − 868
+ − 869 /* add the callback */
+ − 870 if (val->call_data)
+ − 871 XtAddCallback (text, XtNgetValue, xaw_generic_callback, (XtPointer)instance);
+ − 872
428
+ − 873 XtManageChild (text);
+ − 874
+ − 875 return text;
+ − 876 }
+ − 877 #endif
442
+ − 878
428
+ − 879 #endif /* LWLIB_WIDGETS_ATHENA */
+ − 880
450
+ − 881 const widget_creation_entry
428
+ − 882 xaw_creation_table [] =
+ − 883 {
+ − 884 #ifdef LWLIB_SCROLLBARS_ATHENA
+ − 885 {"vertical-scrollbar", xaw_create_vertical_scrollbar },
+ − 886 {"horizontal-scrollbar", xaw_create_horizontal_scrollbar },
+ − 887 #endif
+ − 888 #ifdef LWLIB_WIDGETS_ATHENA
+ − 889 {"button", xaw_create_button },
+ − 890 { "label", xaw_create_label_field },
+ − 891 {"text-field", xaw_create_text_field },
+ − 892 {"progress", xaw_create_progress },
+ − 893 #endif
+ − 894 {NULL, NULL}
+ − 895 };
+ − 896