| 1 | /* The lwlib interface to Motif widgets. |
| 2 | Copyright (C) 1992 Lucid, 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 GNU Emacs; 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 <stdlib.h> |
| 22 | #include <unistd.h> |
| 23 | #include <string.h> |
| 24 | #include <stdio.h> |
| 25 | |
| 26 | #include <X11/StringDefs.h> |
| 27 | #include <X11/IntrinsicP.h> |
| 28 | #include <X11/ObjectP.h> |
| 29 | #include <X11/CoreP.h> |
| 30 | #include <X11/CompositeP.h> |
| 31 | |
| 32 | #include "lwlib-Xm.h" |
| 33 | #include "lwlib-utils.h" |
| 34 | |
| 35 | #include <Xm/BulletinB.h> |
| 36 | #include <Xm/CascadeB.h> |
| 37 | #include <Xm/DrawingA.h> |
| 38 | #include <Xm/FileSB.h> |
| 39 | #include <Xm/Label.h> |
| 40 | #include <Xm/List.h> |
| 41 | #include <Xm/MainW.h> |
| 42 | #include <Xm/MenuShell.h> |
| 43 | #include <Xm/MessageB.h> |
| 44 | #include <Xm/PanedW.h> |
| 45 | #include <Xm/PushB.h> |
| 46 | #include <Xm/PushBG.h> |
| 47 | #include <Xm/ArrowB.h> |
| 48 | #include <Xm/SelectioB.h> |
| 49 | #include <Xm/Text.h> |
| 50 | #include <Xm/TextF.h> |
| 51 | #include <Xm/ToggleB.h> |
| 52 | #include <Xm/ToggleBG.h> |
| 53 | #include <Xm/RowColumn.h> |
| 54 | #include <Xm/ScrolledW.h> |
| 55 | #include <Xm/Separator.h> |
| 56 | #include <Xm/DialogS.h> |
| 57 | #include <Xm/Form.h> |
| 58 | |
| 59 | static void xm_pull_down_callback (/* Widget, XtPointer, XtPointer */); |
| 60 | static void xm_internal_update_other_instances (/* Widget, XtPointer, |
| 61 | XtPointer */); |
| 62 | static void xm_generic_callback (/* Widget, XtPointer, XtPointer */); |
| 63 | static void xm_nosel_callback (/* Widget, XtPointer, XtPointer */); |
| 64 | static void xm_pop_down_callback (/* Widget, XtPointer, XtPointer */); |
| 65 | |
| 66 | static void xm_update_menu (/* widget_instance*, Widget, widget_value*, |
| 67 | Boolean) */); |
| 68 | |
| 69 | |
| 70 | \f/* Structures to keep destroyed instances */ |
| 71 | typedef struct _destroyed_instance |
| 72 | { |
| 73 | char* name; |
| 74 | char* type; |
| 75 | Widget widget; |
| 76 | Widget parent; |
| 77 | Boolean pop_up_p; |
| 78 | struct _destroyed_instance* next; |
| 79 | } destroyed_instance; |
| 80 | |
| 81 | static destroyed_instance* |
| 82 | all_destroyed_instances = NULL; |
| 83 | |
| 84 | static destroyed_instance* |
| 85 | make_destroyed_instance (name, type, widget, parent, pop_up_p) |
| 86 | char* name; |
| 87 | char* type; |
| 88 | Widget widget; |
| 89 | Widget parent; |
| 90 | Boolean pop_up_p; |
| 91 | { |
| 92 | destroyed_instance* instance = |
| 93 | (destroyed_instance*)malloc (sizeof (destroyed_instance)); |
| 94 | instance->name = safe_strdup (name); |
| 95 | instance->type = safe_strdup (type); |
| 96 | instance->widget = widget; |
| 97 | instance->parent = parent; |
| 98 | instance->pop_up_p = pop_up_p; |
| 99 | instance->next = NULL; |
| 100 | return instance; |
| 101 | } |
| 102 | |
| 103 | static void |
| 104 | free_destroyed_instance (instance) |
| 105 | destroyed_instance* instance; |
| 106 | { |
| 107 | free (instance->name); |
| 108 | free (instance->type); |
| 109 | free (instance); |
| 110 | } |
| 111 | |
| 112 | \f/* motif utility functions */ |
| 113 | Widget |
| 114 | first_child (widget) |
| 115 | Widget widget; |
| 116 | { |
| 117 | return ((CompositeWidget)widget)->composite.children [0]; |
| 118 | } |
| 119 | |
| 120 | Boolean |
| 121 | lw_motif_widget_p (widget) |
| 122 | Widget widget; |
| 123 | { |
| 124 | return |
| 125 | XtClass (widget) == xmDialogShellWidgetClass |
| 126 | || XmIsPrimitive (widget) || XmIsManager (widget) || XmIsGadget (widget); |
| 127 | } |
| 128 | |
| 129 | static XmString |
| 130 | resource_motif_string (widget, name) |
| 131 | Widget widget; |
| 132 | char* name; |
| 133 | { |
| 134 | XtResource resource; |
| 135 | XmString result = 0; |
| 136 | |
| 137 | resource.resource_name = name; |
| 138 | resource.resource_class = XmCXmString; |
| 139 | resource.resource_type = XmRXmString; |
| 140 | resource.resource_size = sizeof (XmString); |
| 141 | resource.resource_offset = 0; |
| 142 | resource.default_type = XtRImmediate; |
| 143 | resource.default_addr = 0; |
| 144 | |
| 145 | XtGetSubresources (widget, (XtPointer)&result, "dialogString", |
| 146 | "DialogString", &resource, 1, NULL, 0); |
| 147 | return result; |
| 148 | } |
| 149 | |
| 150 | /* Destroy all of the children of WIDGET |
| 151 | starting with number FIRST_CHILD_TO_DESTROY. */ |
| 152 | |
| 153 | static void |
| 154 | destroy_all_children (widget, first_child_to_destroy) |
| 155 | Widget widget; |
| 156 | int first_child_to_destroy; |
| 157 | { |
| 158 | Widget* children; |
| 159 | unsigned int number; |
| 160 | int i; |
| 161 | |
| 162 | children = XtCompositeChildren (widget, &number); |
| 163 | if (children) |
| 164 | { |
| 165 | XtUnmanageChildren (children + first_child_to_destroy, |
| 166 | number - first_child_to_destroy); |
| 167 | |
| 168 | /* Unmanage all children and destroy them. They will only be |
| 169 | really destroyed when we get out of DispatchEvent. */ |
| 170 | for (i = first_child_to_destroy; i < number; i++) |
| 171 | XtDestroyWidget (children[i]); |
| 172 | |
| 173 | XtFree ((char *) children); |
| 174 | } |
| 175 | } |
| 176 | |
| 177 | \f/* update the label of anything subclass of a label */ |
| 178 | static void |
| 179 | xm_update_label (instance, widget, val) |
| 180 | widget_instance* instance; |
| 181 | Widget widget; |
| 182 | widget_value* val; |
| 183 | { |
| 184 | XmString res_string = 0; |
| 185 | XmString built_string = 0; |
| 186 | XmString key_string = 0; |
| 187 | Arg al [256]; |
| 188 | int ac; |
| 189 | |
| 190 | ac = 0; |
| 191 | |
| 192 | if (val->value) |
| 193 | { |
| 194 | res_string = resource_motif_string (widget, val->value); |
| 195 | |
| 196 | if (res_string) |
| 197 | { |
| 198 | XtSetArg (al [ac], XmNlabelString, res_string); ac++; |
| 199 | } |
| 200 | else |
| 201 | { |
| 202 | built_string = |
| 203 | XmStringCreateLtoR (val->value, XmSTRING_DEFAULT_CHARSET); |
| 204 | XtSetArg (al [ac], XmNlabelString, built_string); ac++; |
| 205 | } |
| 206 | XtSetArg (al [ac], XmNlabelType, XmSTRING); ac++; |
| 207 | } |
| 208 | |
| 209 | if (val->key) |
| 210 | { |
| 211 | key_string = XmStringCreateLtoR (val->key, XmSTRING_DEFAULT_CHARSET); |
| 212 | XtSetArg (al [ac], XmNacceleratorText, key_string); ac++; |
| 213 | } |
| 214 | |
| 215 | if (ac) |
| 216 | XtSetValues (widget, al, ac); |
| 217 | |
| 218 | if (built_string) |
| 219 | XmStringFree (built_string); |
| 220 | |
| 221 | if (key_string) |
| 222 | XmStringFree (key_string); |
| 223 | } |
| 224 | |
| 225 | \f/* update of list */ |
| 226 | static void |
| 227 | xm_update_list (instance, widget, val) |
| 228 | widget_instance* instance; |
| 229 | Widget widget; |
| 230 | widget_value* val; |
| 231 | { |
| 232 | widget_value* cur; |
| 233 | int i; |
| 234 | XtRemoveAllCallbacks (widget, XmNsingleSelectionCallback); |
| 235 | XtAddCallback (widget, XmNsingleSelectionCallback, xm_generic_callback, |
| 236 | instance); |
| 237 | for (cur = val->contents, i = 0; cur; cur = cur->next) |
| 238 | if (cur->value) |
| 239 | { |
| 240 | XmString xmstr = XmStringCreate (cur->value, XmSTRING_DEFAULT_CHARSET); |
| 241 | i += 1; |
| 242 | XmListAddItem (widget, xmstr, 0); |
| 243 | if (cur->selected) |
| 244 | XmListSelectPos (widget, i, False); |
| 245 | XmStringFree (xmstr); |
| 246 | } |
| 247 | } |
| 248 | |
| 249 | \f/* update of buttons */ |
| 250 | static void |
| 251 | xm_update_pushbutton (instance, widget, val) |
| 252 | widget_instance* instance; |
| 253 | Widget widget; |
| 254 | widget_value* val; |
| 255 | { |
| 256 | XtVaSetValues (widget, XmNalignment, XmALIGNMENT_CENTER, 0); |
| 257 | XtRemoveAllCallbacks (widget, XmNactivateCallback); |
| 258 | XtAddCallback (widget, XmNactivateCallback, xm_generic_callback, instance); |
| 259 | } |
| 260 | |
| 261 | static void |
| 262 | xm_update_cascadebutton (instance, widget, val) |
| 263 | widget_instance* instance; |
| 264 | Widget widget; |
| 265 | widget_value* val; |
| 266 | { |
| 267 | /* Should also rebuild the menu by calling ...update_menu... */ |
| 268 | XtRemoveAllCallbacks (widget, XmNcascadingCallback); |
| 269 | XtAddCallback (widget, XmNcascadingCallback, xm_pull_down_callback, |
| 270 | instance); |
| 271 | } |
| 272 | |
| 273 | \f/* update toggle and radiobox */ |
| 274 | static void |
| 275 | xm_update_toggle (instance, widget, val) |
| 276 | widget_instance* instance; |
| 277 | Widget widget; |
| 278 | widget_value* val; |
| 279 | { |
| 280 | XtRemoveAllCallbacks (widget, XmNvalueChangedCallback); |
| 281 | XtAddCallback (widget, XmNvalueChangedCallback, |
| 282 | xm_internal_update_other_instances, instance); |
| 283 | XtVaSetValues (widget, XmNset, val->selected, |
| 284 | XmNalignment, XmALIGNMENT_BEGINNING, 0); |
| 285 | } |
| 286 | |
| 287 | static void |
| 288 | xm_update_radiobox (instance, widget, val) |
| 289 | widget_instance* instance; |
| 290 | Widget widget; |
| 291 | widget_value* val; |
| 292 | |
| 293 | { |
| 294 | Widget toggle; |
| 295 | widget_value* cur; |
| 296 | |
| 297 | /* update the callback */ |
| 298 | XtRemoveAllCallbacks (widget, XmNentryCallback); |
| 299 | XtAddCallback (widget, XmNentryCallback, xm_generic_callback, instance); |
| 300 | |
| 301 | /* first update all the toggles */ |
| 302 | /* Energize kernel interface is currently bad. It sets the selected widget |
| 303 | with the selected flag but returns it by its name. So we currently |
| 304 | have to support both setting the selection with the selected slot |
| 305 | of val contents and setting it with the "value" slot of val. The latter |
| 306 | has a higher priority. This to be removed when the kernel is fixed. */ |
| 307 | for (cur = val->contents; cur; cur = cur->next) |
| 308 | { |
| 309 | toggle = XtNameToWidget (widget, cur->value); |
| 310 | if (toggle) |
| 311 | { |
| 312 | XtVaSetValues (toggle, XmNsensitive, cur->enabled, 0); |
| 313 | if (!val->value && cur->selected) |
| 314 | XtVaSetValues (toggle, XmNset, cur->selected, 0); |
| 315 | if (val->value && strcmp (val->value, cur->value)) |
| 316 | XtVaSetValues (toggle, XmNset, False, 0); |
| 317 | } |
| 318 | } |
| 319 | |
| 320 | /* The selected was specified by the value slot */ |
| 321 | if (val->value) |
| 322 | { |
| 323 | toggle = XtNameToWidget (widget, val->value); |
| 324 | if (toggle) |
| 325 | XtVaSetValues (toggle, XmNset, True, 0); |
| 326 | } |
| 327 | } |
| 328 | |
| 329 | \f/* update a popup menu, pulldown menu or a menubar */ |
| 330 | static Boolean |
| 331 | all_dashes_p (s) |
| 332 | char* s; |
| 333 | { |
| 334 | char* t; |
| 335 | for (t = s; *t; t++) |
| 336 | if (*t != '-') |
| 337 | return False; |
| 338 | return True; |
| 339 | } |
| 340 | |
| 341 | /* KEEP_FIRST_CHILDREN gives the number of initial children to keep. */ |
| 342 | |
| 343 | static void |
| 344 | make_menu_in_widget (instance, widget, val, keep_first_children) |
| 345 | widget_instance* instance; |
| 346 | Widget widget; |
| 347 | widget_value* val; |
| 348 | int keep_first_children; |
| 349 | { |
| 350 | Widget* children = 0; |
| 351 | int num_children; |
| 352 | int child_index; |
| 353 | widget_value* cur; |
| 354 | Widget button = 0; |
| 355 | Widget menu; |
| 356 | Arg al [256]; |
| 357 | int ac; |
| 358 | Boolean menubar_p; |
| 359 | |
| 360 | Widget* old_children; |
| 361 | unsigned int old_num_children; |
| 362 | |
| 363 | old_children = XtCompositeChildren (widget, &old_num_children); |
| 364 | |
| 365 | /* Allocate the children array */ |
| 366 | for (num_children = 0, cur = val; cur; num_children++, cur = cur->next); |
| 367 | children = (Widget*)XtMalloc (num_children * sizeof (Widget)); |
| 368 | |
| 369 | /* tricky way to know if this RowColumn is a menubar or a pulldown... */ |
| 370 | menubar_p = False; |
| 371 | XtSetArg (al[0], XmNisHomogeneous, &menubar_p); |
| 372 | XtGetValues (widget, al, 1); |
| 373 | |
| 374 | /* add the unmap callback for popups and pulldowns */ |
| 375 | /*** this sounds bogus ***/ |
| 376 | if (!menubar_p) |
| 377 | XtAddCallback (XtParent (widget), XmNpopdownCallback, |
| 378 | xm_pop_down_callback, (XtPointer)instance); |
| 379 | |
| 380 | /* Preserve the first KEEP_FIRST_CHILDREN old children. */ |
| 381 | for (child_index = 0, cur = val; child_index < keep_first_children; |
| 382 | child_index++, cur = cur->next) |
| 383 | children[child_index] = old_children[child_index]; |
| 384 | |
| 385 | /* Check that those are all we have |
| 386 | (the caller should have deleted the rest). */ |
| 387 | if (old_num_children != keep_first_children) |
| 388 | abort (); |
| 389 | |
| 390 | /* Create the rest. */ |
| 391 | for (child_index = keep_first_children; cur; child_index++, cur = cur->next) |
| 392 | { |
| 393 | ac = 0; |
| 394 | XtSetArg (al [ac], XmNsensitive, cur->enabled); ac++; |
| 395 | XtSetArg (al [ac], XmNalignment, XmALIGNMENT_BEGINNING); ac++; |
| 396 | XtSetArg (al [ac], XmNuserData, cur->call_data); ac++; |
| 397 | |
| 398 | if (instance->pop_up_p && !cur->contents && !cur->call_data |
| 399 | && !all_dashes_p (cur->name)) |
| 400 | { |
| 401 | ac = 0; |
| 402 | XtSetArg (al[ac], XmNalignment, XmALIGNMENT_CENTER); ac++; |
| 403 | button = XmCreateLabel (widget, cur->name, al, ac); |
| 404 | } |
| 405 | else if (all_dashes_p (cur->name)) |
| 406 | { |
| 407 | button = XmCreateSeparator (widget, cur->name, NULL, 0); |
| 408 | } |
| 409 | else if (!cur->contents) |
| 410 | { |
| 411 | if (menubar_p) |
| 412 | button = XmCreateCascadeButton (widget, cur->name, al, ac); |
| 413 | else if (!cur->call_data) |
| 414 | button = XmCreateLabel (widget, cur->name, al, ac); |
| 415 | else |
| 416 | button = XmCreatePushButtonGadget (widget, cur->name, al, ac); |
| 417 | |
| 418 | xm_update_label (instance, button, cur); |
| 419 | |
| 420 | /* don't add a callback to a simple label */ |
| 421 | if (cur->call_data) |
| 422 | XtAddCallback (button, XmNactivateCallback, xm_generic_callback, |
| 423 | (XtPointer)instance); |
| 424 | } |
| 425 | else |
| 426 | { |
| 427 | menu = XmCreatePulldownMenu (widget, cur->name, NULL, 0); |
| 428 | make_menu_in_widget (instance, menu, cur->contents, 0); |
| 429 | XtSetArg (al [ac], XmNsubMenuId, menu); ac++; |
| 430 | button = XmCreateCascadeButton (widget, cur->name, al, ac); |
| 431 | |
| 432 | xm_update_label (instance, button, cur); |
| 433 | |
| 434 | XtAddCallback (button, XmNcascadingCallback, xm_pull_down_callback, |
| 435 | (XtPointer)instance); |
| 436 | } |
| 437 | |
| 438 | children [child_index] = button; |
| 439 | } |
| 440 | |
| 441 | XtManageChildren (children, num_children); |
| 442 | |
| 443 | /* Last entry is the help button. Has to be done after managing |
| 444 | * the buttons otherwise the menubar is only 4 pixels high... */ |
| 445 | if (button) |
| 446 | { |
| 447 | ac = 0; |
| 448 | XtSetArg (al [ac], XmNmenuHelpWidget, button); ac++; |
| 449 | XtSetValues (widget, al, ac); |
| 450 | } |
| 451 | |
| 452 | XtFree ((char *) children); |
| 453 | if (old_children) |
| 454 | XtFree ((char *) old_children); |
| 455 | } |
| 456 | |
| 457 | static void |
| 458 | update_one_menu_entry (instance, widget, val, deep_p) |
| 459 | widget_instance* instance; |
| 460 | Widget widget; |
| 461 | widget_value* val; |
| 462 | Boolean deep_p; |
| 463 | { |
| 464 | Arg al [256]; |
| 465 | int ac; |
| 466 | Widget menu; |
| 467 | widget_value* contents; |
| 468 | |
| 469 | if (val->this_one_change == NO_CHANGE) |
| 470 | return; |
| 471 | |
| 472 | /* update the sensitivity and userdata */ |
| 473 | /* Common to all widget types */ |
| 474 | XtVaSetValues (widget, |
| 475 | XmNsensitive, val->enabled, |
| 476 | XmNuserData, val->call_data, |
| 477 | 0); |
| 478 | |
| 479 | /* update the menu button as a label. */ |
| 480 | if (val->this_one_change >= VISIBLE_CHANGE) |
| 481 | xm_update_label (instance, widget, val); |
| 482 | |
| 483 | /* update the pulldown/pullaside as needed */ |
| 484 | ac = 0; |
| 485 | menu = NULL; |
| 486 | XtSetArg (al [ac], XmNsubMenuId, &menu); ac++; |
| 487 | XtGetValues (widget, al, ac); |
| 488 | |
| 489 | contents = val->contents; |
| 490 | |
| 491 | if (!menu) |
| 492 | { |
| 493 | if (contents) |
| 494 | { |
| 495 | menu = XmCreatePulldownMenu (XtParent (widget), XtName (widget), NULL, 0); |
| 496 | make_menu_in_widget (instance, menu, contents, 0); |
| 497 | ac = 0; |
| 498 | XtSetArg (al [ac], XmNsubMenuId, menu); ac++; |
| 499 | XtSetValues (widget, al, ac); |
| 500 | } |
| 501 | } |
| 502 | else if (!contents) |
| 503 | { |
| 504 | ac = 0; |
| 505 | XtSetArg (al [ac], XmNsubMenuId, NULL); ac++; |
| 506 | XtSetValues (widget, al, ac); |
| 507 | XtDestroyWidget (menu); |
| 508 | } |
| 509 | else if (deep_p && contents->change != NO_CHANGE) |
| 510 | xm_update_menu (instance, menu, val, 1); |
| 511 | } |
| 512 | |
| 513 | static void |
| 514 | xm_update_menu (instance, widget, val, deep_p) |
| 515 | widget_instance* instance; |
| 516 | Widget widget; |
| 517 | widget_value* val; |
| 518 | Boolean deep_p; |
| 519 | { |
| 520 | Widget* children; |
| 521 | unsigned int num_children; |
| 522 | int num_children_to_keep = 0; |
| 523 | int i; |
| 524 | widget_value* cur; |
| 525 | |
| 526 | children = XtCompositeChildren (widget, &num_children); |
| 527 | |
| 528 | /* Widget is a RowColumn widget whose contents have to be updated |
| 529 | * to reflect the list of items in val->contents */ |
| 530 | |
| 531 | /* See how many buttons we can keep, and how many we |
| 532 | must completely replace. */ |
| 533 | if (val->contents == 0) |
| 534 | num_children_to_keep = 0; |
| 535 | else if (val->contents->change == STRUCTURAL_CHANGE) |
| 536 | { |
| 537 | if (children) |
| 538 | { |
| 539 | for (i = 0, cur = val->contents; i < num_children; |
| 540 | i++, cur = cur->next) |
| 541 | { |
| 542 | if (cur->this_one_change == STRUCTURAL_CHANGE) |
| 543 | break; |
| 544 | } |
| 545 | |
| 546 | num_children_to_keep = i; |
| 547 | } |
| 548 | } |
| 549 | else |
| 550 | num_children_to_keep = num_children; |
| 551 | |
| 552 | /* Update all the buttons of the RowColumn, in order, |
| 553 | except for those we are going to replace entirely. */ |
| 554 | if (children) |
| 555 | { |
| 556 | for (i = 0, cur = val->contents; i < num_children_to_keep; i++) |
| 557 | { |
| 558 | if (!cur) |
| 559 | abort (); |
| 560 | if (children [i]->core.being_destroyed |
| 561 | || strcmp (XtName (children [i]), cur->name)) |
| 562 | continue; |
| 563 | update_one_menu_entry (instance, children [i], cur, deep_p); |
| 564 | cur = cur->next; |
| 565 | } |
| 566 | } |
| 567 | |
| 568 | /* Now replace from scratch all the buttons after the last |
| 569 | place that the top-level structure changed. */ |
| 570 | if (val->contents->change == STRUCTURAL_CHANGE) |
| 571 | { |
| 572 | destroy_all_children (widget, num_children_to_keep); |
| 573 | make_menu_in_widget (instance, widget, val->contents, |
| 574 | num_children_to_keep); |
| 575 | } |
| 576 | |
| 577 | XtFree ((char *) children); |
| 578 | } |
| 579 | |
| 580 | \f |
| 581 | /* update text widgets */ |
| 582 | |
| 583 | static void |
| 584 | xm_update_text (instance, widget, val) |
| 585 | widget_instance* instance; |
| 586 | Widget widget; |
| 587 | widget_value* val; |
| 588 | { |
| 589 | XmTextSetString (widget, val->value ? val->value : ""); |
| 590 | XtRemoveAllCallbacks (widget, XmNactivateCallback); |
| 591 | XtAddCallback (widget, XmNactivateCallback, xm_generic_callback, instance); |
| 592 | XtRemoveAllCallbacks (widget, XmNvalueChangedCallback); |
| 593 | XtAddCallback (widget, XmNvalueChangedCallback, |
| 594 | xm_internal_update_other_instances, instance); |
| 595 | } |
| 596 | |
| 597 | static void |
| 598 | xm_update_text_field (instance, widget, val) |
| 599 | widget_instance* instance; |
| 600 | Widget widget; |
| 601 | widget_value* val; |
| 602 | { |
| 603 | XmTextFieldSetString (widget, val->value ? val->value : ""); |
| 604 | XtRemoveAllCallbacks (widget, XmNactivateCallback); |
| 605 | XtAddCallback (widget, XmNactivateCallback, xm_generic_callback, instance); |
| 606 | XtRemoveAllCallbacks (widget, XmNvalueChangedCallback); |
| 607 | XtAddCallback (widget, XmNvalueChangedCallback, |
| 608 | xm_internal_update_other_instances, instance); |
| 609 | } |
| 610 | |
| 611 | \f |
| 612 | /* update a motif widget */ |
| 613 | |
| 614 | void |
| 615 | xm_update_one_widget (instance, widget, val, deep_p) |
| 616 | widget_instance* instance; |
| 617 | Widget widget; |
| 618 | widget_value* val; |
| 619 | Boolean deep_p; |
| 620 | { |
| 621 | WidgetClass class; |
| 622 | |
| 623 | /* Mark as not edited */ |
| 624 | val->edited = False; |
| 625 | |
| 626 | /* Common to all widget types */ |
| 627 | XtVaSetValues (widget, |
| 628 | XmNsensitive, val->enabled, |
| 629 | XmNuserData, val->call_data, |
| 630 | 0); |
| 631 | |
| 632 | /* Common to all label like widgets */ |
| 633 | if (XtIsSubclass (widget, xmLabelWidgetClass)) |
| 634 | xm_update_label (instance, widget, val); |
| 635 | |
| 636 | class = XtClass (widget); |
| 637 | /* Class specific things */ |
| 638 | if (class == xmPushButtonWidgetClass || |
| 639 | class == xmArrowButtonWidgetClass) |
| 640 | { |
| 641 | xm_update_pushbutton (instance, widget, val); |
| 642 | } |
| 643 | else if (class == xmCascadeButtonWidgetClass) |
| 644 | { |
| 645 | xm_update_cascadebutton (instance, widget, val); |
| 646 | } |
| 647 | else if (class == xmToggleButtonWidgetClass |
| 648 | || class == xmToggleButtonGadgetClass) |
| 649 | { |
| 650 | xm_update_toggle (instance, widget, val); |
| 651 | } |
| 652 | else if (class == xmRowColumnWidgetClass) |
| 653 | { |
| 654 | Boolean radiobox = 0; |
| 655 | int ac = 0; |
| 656 | Arg al [1]; |
| 657 | |
| 658 | XtSetArg (al [ac], XmNradioBehavior, &radiobox); ac++; |
| 659 | XtGetValues (widget, al, ac); |
| 660 | |
| 661 | if (radiobox) |
| 662 | xm_update_radiobox (instance, widget, val); |
| 663 | else |
| 664 | xm_update_menu (instance, widget, val, deep_p); |
| 665 | } |
| 666 | else if (class == xmTextWidgetClass) |
| 667 | { |
| 668 | xm_update_text (instance, widget, val); |
| 669 | } |
| 670 | else if (class == xmTextFieldWidgetClass) |
| 671 | { |
| 672 | xm_update_text_field (instance, widget, val); |
| 673 | } |
| 674 | else if (class == xmListWidgetClass) |
| 675 | { |
| 676 | xm_update_list (instance, widget, val); |
| 677 | } |
| 678 | } |
| 679 | |
| 680 | \f/* getting the value back */ |
| 681 | void |
| 682 | xm_update_one_value (instance, widget, val) |
| 683 | widget_instance* instance; |
| 684 | Widget widget; |
| 685 | widget_value* val; |
| 686 | { |
| 687 | WidgetClass class = XtClass (widget); |
| 688 | widget_value *old_wv; |
| 689 | |
| 690 | /* copy the call_data slot into the "return" widget_value */ |
| 691 | for (old_wv = instance->info->val->contents; old_wv; old_wv = old_wv->next) |
| 692 | if (!strcmp (val->name, old_wv->name)) |
| 693 | { |
| 694 | val->call_data = old_wv->call_data; |
| 695 | break; |
| 696 | } |
| 697 | |
| 698 | if (class == xmToggleButtonWidgetClass || class == xmToggleButtonGadgetClass) |
| 699 | { |
| 700 | XtVaGetValues (widget, XmNset, &val->selected, 0); |
| 701 | val->edited = True; |
| 702 | } |
| 703 | else if (class == xmTextWidgetClass) |
| 704 | { |
| 705 | if (val->value) |
| 706 | free (val->value); |
| 707 | val->value = XmTextGetString (widget); |
| 708 | val->edited = True; |
| 709 | } |
| 710 | else if (class == xmTextFieldWidgetClass) |
| 711 | { |
| 712 | if (val->value) |
| 713 | free (val->value); |
| 714 | val->value = XmTextFieldGetString (widget); |
| 715 | val->edited = True; |
| 716 | } |
| 717 | else if (class == xmRowColumnWidgetClass) |
| 718 | { |
| 719 | Boolean radiobox = 0; |
| 720 | int ac = 0; |
| 721 | Arg al [1]; |
| 722 | |
| 723 | XtSetArg (al [ac], XmNradioBehavior, &radiobox); ac++; |
| 724 | XtGetValues (widget, al, ac); |
| 725 | |
| 726 | if (radiobox) |
| 727 | { |
| 728 | CompositeWidget radio = (CompositeWidget)widget; |
| 729 | int i; |
| 730 | for (i = 0; i < radio->composite.num_children; i++) |
| 731 | { |
| 732 | int set = False; |
| 733 | Widget toggle = radio->composite.children [i]; |
| 734 | |
| 735 | XtVaGetValues (toggle, XmNset, &set, 0); |
| 736 | if (set) |
| 737 | { |
| 738 | if (val->value) |
| 739 | free (val->value); |
| 740 | val->value = safe_strdup (XtName (toggle)); |
| 741 | } |
| 742 | } |
| 743 | val->edited = True; |
| 744 | } |
| 745 | } |
| 746 | else if (class == xmListWidgetClass) |
| 747 | { |
| 748 | int pos_cnt; |
| 749 | int* pos_list; |
| 750 | if (XmListGetSelectedPos (widget, &pos_list, &pos_cnt)) |
| 751 | { |
| 752 | int i; |
| 753 | widget_value* cur; |
| 754 | for (cur = val->contents, i = 0; cur; cur = cur->next) |
| 755 | if (cur->value) |
| 756 | { |
| 757 | int j; |
| 758 | cur->selected = False; |
| 759 | i += 1; |
| 760 | for (j = 0; j < pos_cnt; j++) |
| 761 | if (pos_list [j] == i) |
| 762 | { |
| 763 | cur->selected = True; |
| 764 | val->value = safe_strdup (cur->name); |
| 765 | } |
| 766 | } |
| 767 | val->edited = 1; |
| 768 | XtFree ((char *) pos_list); |
| 769 | } |
| 770 | } |
| 771 | } |
| 772 | |
| 773 | \f |
| 774 | /* This function is for activating a button from a program. It's wrong because |
| 775 | we pass a NULL argument in the call_data which is not Motif compatible. |
| 776 | This is used from the XmNdefaultAction callback of the List widgets to |
| 777 | have a double-click put down a dialog box like the button would do. |
| 778 | I could not find a way to do that with accelerators. |
| 779 | */ |
| 780 | static void |
| 781 | activate_button (widget, closure, call_data) |
| 782 | Widget widget; |
| 783 | XtPointer closure; |
| 784 | XtPointer call_data; |
| 785 | { |
| 786 | Widget button = (Widget)closure; |
| 787 | XtCallCallbacks (button, XmNactivateCallback, NULL); |
| 788 | } |
| 789 | |
| 790 | /* creation functions */ |
| 791 | |
| 792 | /* dialogs */ |
| 793 | static Widget |
| 794 | make_dialog (name, parent, pop_up_p, shell_title, icon_name, text_input_slot, |
| 795 | radio_box, list, left_buttons, right_buttons) |
| 796 | char* name; |
| 797 | Widget parent; |
| 798 | Boolean pop_up_p; |
| 799 | char* shell_title; |
| 800 | char* icon_name; |
| 801 | Boolean text_input_slot; |
| 802 | Boolean radio_box; |
| 803 | Boolean list; |
| 804 | int left_buttons; |
| 805 | int right_buttons; |
| 806 | { |
| 807 | Widget result; |
| 808 | Widget form; |
| 809 | Widget row; |
| 810 | Widget icon; |
| 811 | Widget icon_separator; |
| 812 | Widget message; |
| 813 | Widget value = 0; |
| 814 | Widget separator; |
| 815 | Widget button = 0; |
| 816 | Widget children [16]; /* for the final XtManageChildren */ |
| 817 | int n_children; |
| 818 | Arg al[64]; /* Arg List */ |
| 819 | int ac; /* Arg Count */ |
| 820 | int i; |
| 821 | |
| 822 | if (pop_up_p) |
| 823 | { |
| 824 | ac = 0; |
| 825 | XtSetArg(al[ac], XmNtitle, shell_title); ac++; |
| 826 | XtSetArg(al[ac], XtNallowShellResize, True); ac++; |
| 827 | XtSetArg(al[ac], XmNdeleteResponse, XmUNMAP); ac++; |
| 828 | result = XmCreateDialogShell (parent, "dialog", al, ac); |
| 829 | ac = 0; |
| 830 | XtSetArg(al[ac], XmNautoUnmanage, FALSE); ac++; |
| 831 | /* XtSetArg(al[ac], XmNautoUnmanage, TRUE); ac++; */ /* ####is this ok? */ |
| 832 | XtSetArg(al[ac], XmNnavigationType, XmTAB_GROUP); ac++; |
| 833 | form = XmCreateForm (result, shell_title, al, ac); |
| 834 | } |
| 835 | else |
| 836 | { |
| 837 | ac = 0; |
| 838 | XtSetArg(al[ac], XmNautoUnmanage, FALSE); ac++; |
| 839 | XtSetArg(al[ac], XmNnavigationType, XmTAB_GROUP); ac++; |
| 840 | form = XmCreateForm (parent, shell_title, al, ac); |
| 841 | result = form; |
| 842 | } |
| 843 | |
| 844 | n_children = left_buttons + right_buttons + 1; |
| 845 | ac = 0; |
| 846 | XtSetArg(al[ac], XmNpacking, n_children == 3? |
| 847 | XmPACK_COLUMN: XmPACK_TIGHT); ac++; |
| 848 | XtSetArg(al[ac], XmNorientation, n_children == 3? |
| 849 | XmVERTICAL: XmHORIZONTAL); ac++; |
| 850 | XtSetArg(al[ac], XmNnumColumns, left_buttons + right_buttons + 1); ac++; |
| 851 | XtSetArg(al[ac], XmNmarginWidth, 0); ac++; |
| 852 | XtSetArg(al[ac], XmNmarginHeight, 0); ac++; |
| 853 | XtSetArg(al[ac], XmNspacing, 13); ac++; |
| 854 | XtSetArg(al[ac], XmNadjustLast, False); ac++; |
| 855 | XtSetArg(al[ac], XmNalignment, XmALIGNMENT_CENTER); ac++; |
| 856 | XtSetArg(al[ac], XmNisAligned, True); ac++; |
| 857 | XtSetArg(al[ac], XmNtopAttachment, XmATTACH_NONE); ac++; |
| 858 | XtSetArg(al[ac], XmNbottomAttachment, XmATTACH_FORM); ac++; |
| 859 | XtSetArg(al[ac], XmNbottomOffset, 13); ac++; |
| 860 | XtSetArg(al[ac], XmNleftAttachment, XmATTACH_FORM); ac++; |
| 861 | XtSetArg(al[ac], XmNleftOffset, 13); ac++; |
| 862 | XtSetArg(al[ac], XmNrightAttachment, XmATTACH_FORM); ac++; |
| 863 | XtSetArg(al[ac], XmNrightOffset, 13); ac++; |
| 864 | row = XmCreateRowColumn (form, "row", al, ac); |
| 865 | |
| 866 | n_children = 0; |
| 867 | for (i = 0; i < left_buttons; i++) |
| 868 | { |
| 869 | char button_name [16]; |
| 870 | sprintf (button_name, "button%d", i + 1); |
| 871 | ac = 0; |
| 872 | if (i == 0) |
| 873 | { |
| 874 | XtSetArg(al[ac], XmNhighlightThickness, 1); ac++; |
| 875 | XtSetArg(al[ac], XmNshowAsDefault, TRUE); ac++; |
| 876 | } |
| 877 | XtSetArg(al[ac], XmNmarginWidth, 10); ac++; |
| 878 | XtSetArg(al[ac], XmNnavigationType, XmTAB_GROUP); ac++; |
| 879 | children [n_children] = XmCreatePushButton (row, button_name, al, ac); |
| 880 | |
| 881 | if (i == 0) |
| 882 | { |
| 883 | button = children [n_children]; |
| 884 | ac = 0; |
| 885 | XtSetArg(al[ac], XmNdefaultButton, button); ac++; |
| 886 | XtSetValues (row, al, ac); |
| 887 | } |
| 888 | |
| 889 | n_children++; |
| 890 | } |
| 891 | |
| 892 | /* invisible separator button */ |
| 893 | ac = 0; |
| 894 | XtSetArg (al[ac], XmNmappedWhenManaged, FALSE); ac++; |
| 895 | children [n_children] = XmCreateLabel (row, "separator_button", al, ac); |
| 896 | n_children++; |
| 897 | |
| 898 | for (i = 0; i < right_buttons; i++) |
| 899 | { |
| 900 | char button_name [16]; |
| 901 | sprintf (button_name, "button%d", left_buttons + i + 1); |
| 902 | ac = 0; |
| 903 | XtSetArg(al[ac], XmNmarginWidth, 10); ac++; |
| 904 | XtSetArg(al[ac], XmNnavigationType, XmTAB_GROUP); ac++; |
| 905 | children [n_children] = XmCreatePushButton (row, button_name, al, ac); |
| 906 | if (! button) button = children [n_children]; |
| 907 | n_children++; |
| 908 | } |
| 909 | |
| 910 | XtManageChildren (children, n_children); |
| 911 | |
| 912 | ac = 0; |
| 913 | XtSetArg(al[ac], XmNtopAttachment, XmATTACH_NONE); ac++; |
| 914 | XtSetArg(al[ac], XmNbottomAttachment, XmATTACH_WIDGET); ac++; |
| 915 | XtSetArg(al[ac], XmNbottomOffset, 13); ac++; |
| 916 | XtSetArg(al[ac], XmNbottomWidget, row); ac++; |
| 917 | XtSetArg(al[ac], XmNleftAttachment, XmATTACH_FORM); ac++; |
| 918 | XtSetArg(al[ac], XmNleftOffset, 0); ac++; |
| 919 | XtSetArg(al[ac], XmNrightAttachment, XmATTACH_FORM); ac++; |
| 920 | XtSetArg(al[ac], XmNrightOffset, 0); ac++; |
| 921 | separator = XmCreateSeparator (form, "", al, ac); |
| 922 | |
| 923 | ac = 0; |
| 924 | XtSetArg(al[ac], XmNlabelType, XmPIXMAP); ac++; |
| 925 | XtSetArg(al[ac], XmNtopAttachment, XmATTACH_FORM); ac++; |
| 926 | XtSetArg(al[ac], XmNtopOffset, 13); ac++; |
| 927 | XtSetArg(al[ac], XmNbottomAttachment, XmATTACH_NONE); ac++; |
| 928 | XtSetArg(al[ac], XmNleftAttachment, XmATTACH_FORM); ac++; |
| 929 | XtSetArg(al[ac], XmNleftOffset, 13); ac++; |
| 930 | XtSetArg(al[ac], XmNrightAttachment, XmATTACH_NONE); ac++; |
| 931 | icon = XmCreateLabel (form, icon_name, al, ac); |
| 932 | |
| 933 | ac = 0; |
| 934 | XtSetArg(al[ac], XmNmappedWhenManaged, FALSE); ac++; |
| 935 | XtSetArg(al[ac], XmNtopAttachment, XmATTACH_WIDGET); ac++; |
| 936 | XtSetArg(al[ac], XmNtopOffset, 6); ac++; |
| 937 | XtSetArg(al[ac], XmNtopWidget, icon); ac++; |
| 938 | XtSetArg(al[ac], XmNbottomAttachment, XmATTACH_WIDGET); ac++; |
| 939 | XtSetArg(al[ac], XmNbottomOffset, 6); ac++; |
| 940 | XtSetArg(al[ac], XmNbottomWidget, separator); ac++; |
| 941 | XtSetArg(al[ac], XmNleftAttachment, XmATTACH_NONE); ac++; |
| 942 | XtSetArg(al[ac], XmNrightAttachment, XmATTACH_NONE); ac++; |
| 943 | icon_separator = XmCreateLabel (form, "", al, ac); |
| 944 | |
| 945 | if (text_input_slot) |
| 946 | { |
| 947 | ac = 0; |
| 948 | XtSetArg(al[ac], XmNcolumns, 50); ac++; |
| 949 | XtSetArg(al[ac], XmNtopAttachment, XmATTACH_NONE); ac++; |
| 950 | XtSetArg(al[ac], XmNbottomAttachment, XmATTACH_WIDGET); ac++; |
| 951 | XtSetArg(al[ac], XmNbottomOffset, 13); ac++; |
| 952 | XtSetArg(al[ac], XmNbottomWidget, separator); ac++; |
| 953 | XtSetArg(al[ac], XmNleftAttachment, XmATTACH_WIDGET); ac++; |
| 954 | XtSetArg(al[ac], XmNleftOffset, 13); ac++; |
| 955 | XtSetArg(al[ac], XmNleftWidget, icon); ac++; |
| 956 | XtSetArg(al[ac], XmNrightAttachment, XmATTACH_FORM); ac++; |
| 957 | XtSetArg(al[ac], XmNrightOffset, 13); ac++; |
| 958 | value = XmCreateTextField (form, "value", al, ac); |
| 959 | } |
| 960 | else if (radio_box) |
| 961 | { |
| 962 | Widget radio_butt; |
| 963 | ac = 0; |
| 964 | XtSetArg(al[ac], XmNmarginWidth, 0); ac++; |
| 965 | XtSetArg(al[ac], XmNmarginHeight, 0); ac++; |
| 966 | XtSetArg(al[ac], XmNspacing, 13); ac++; |
| 967 | XtSetArg(al[ac], XmNalignment, XmALIGNMENT_CENTER); ac++; |
| 968 | XtSetArg(al[ac], XmNorientation, XmHORIZONTAL); ac++; |
| 969 | XtSetArg(al[ac], XmNbottomAttachment, XmATTACH_WIDGET); ac++; |
| 970 | XtSetArg(al[ac], XmNbottomOffset, 13); ac++; |
| 971 | XtSetArg(al[ac], XmNbottomWidget, separator); ac++; |
| 972 | XtSetArg(al[ac], XmNleftAttachment, XmATTACH_WIDGET); ac++; |
| 973 | XtSetArg(al[ac], XmNleftOffset, 13); ac++; |
| 974 | XtSetArg(al[ac], XmNleftWidget, icon); ac++; |
| 975 | XtSetArg(al[ac], XmNrightAttachment, XmATTACH_FORM); ac++; |
| 976 | XtSetArg(al[ac], XmNrightOffset, 13); ac++; |
| 977 | value = XmCreateRadioBox (form, "radiobutton1", al, ac); |
| 978 | ac = 0; |
| 979 | i = 0; |
| 980 | radio_butt = XmCreateToggleButtonGadget (value, "radio1", al, ac); |
| 981 | children [i++] = radio_butt; |
| 982 | radio_butt = XmCreateToggleButtonGadget (value, "radio2", al, ac); |
| 983 | children [i++] = radio_butt; |
| 984 | radio_butt = XmCreateToggleButtonGadget (value, "radio3", al, ac); |
| 985 | children [i++] = radio_butt; |
| 986 | XtManageChildren (children, i); |
| 987 | } |
| 988 | else if (list) |
| 989 | { |
| 990 | ac = 0; |
| 991 | XtSetArg(al[ac], XmNvisibleItemCount, 5); ac++; |
| 992 | XtSetArg(al[ac], XmNtopAttachment, XmATTACH_NONE); ac++; |
| 993 | XtSetArg(al[ac], XmNbottomAttachment, XmATTACH_WIDGET); ac++; |
| 994 | XtSetArg(al[ac], XmNbottomOffset, 13); ac++; |
| 995 | XtSetArg(al[ac], XmNbottomWidget, separator); ac++; |
| 996 | XtSetArg(al[ac], XmNleftAttachment, XmATTACH_WIDGET); ac++; |
| 997 | XtSetArg(al[ac], XmNleftOffset, 13); ac++; |
| 998 | XtSetArg(al[ac], XmNleftWidget, icon); ac++; |
| 999 | XtSetArg(al[ac], XmNrightAttachment, XmATTACH_FORM); ac++; |
| 1000 | XtSetArg(al[ac], XmNrightOffset, 13); ac++; |
| 1001 | value = XmCreateScrolledList (form, "list", al, ac); |
| 1002 | |
| 1003 | /* this is the easiest way I found to have the dble click in the |
| 1004 | list activate the default button */ |
| 1005 | XtAddCallback (value, XmNdefaultActionCallback, activate_button, button); |
| 1006 | } |
| 1007 | |
| 1008 | ac = 0; |
| 1009 | XtSetArg(al[ac], XmNalignment, XmALIGNMENT_BEGINNING); ac++; |
| 1010 | XtSetArg(al[ac], XmNtopAttachment, XmATTACH_FORM); ac++; |
| 1011 | XtSetArg(al[ac], XmNtopOffset, 13); ac++; |
| 1012 | XtSetArg(al[ac], XmNbottomAttachment, XmATTACH_WIDGET); ac++; |
| 1013 | XtSetArg(al[ac], XmNbottomOffset, 13); ac++; |
| 1014 | XtSetArg(al[ac], XmNbottomWidget, |
| 1015 | text_input_slot || radio_box || list ? value : separator); ac++; |
| 1016 | XtSetArg(al[ac], XmNleftAttachment, XmATTACH_WIDGET); ac++; |
| 1017 | XtSetArg(al[ac], XmNleftOffset, 13); ac++; |
| 1018 | XtSetArg(al[ac], XmNleftWidget, icon); ac++; |
| 1019 | XtSetArg(al[ac], XmNrightAttachment, XmATTACH_FORM); ac++; |
| 1020 | XtSetArg(al[ac], XmNrightOffset, 13); ac++; |
| 1021 | message = XmCreateLabel (form, "message", al, ac); |
| 1022 | |
| 1023 | if (list) |
| 1024 | XtManageChild (value); |
| 1025 | |
| 1026 | i = 0; |
| 1027 | children [i] = row; i++; |
| 1028 | children [i] = separator; i++; |
| 1029 | if (text_input_slot || radio_box) |
| 1030 | { |
| 1031 | children [i] = value; i++; |
| 1032 | } |
| 1033 | children [i] = message; i++; |
| 1034 | children [i] = icon; i++; |
| 1035 | children [i] = icon_separator; i++; |
| 1036 | XtManageChildren (children, i); |
| 1037 | |
| 1038 | if (text_input_slot || list) |
| 1039 | { |
| 1040 | XtInstallAccelerators (value, button); |
| 1041 | XtSetKeyboardFocus (result, value); |
| 1042 | } |
| 1043 | else |
| 1044 | { |
| 1045 | XtInstallAccelerators (form, button); |
| 1046 | XtSetKeyboardFocus (result, button); |
| 1047 | } |
| 1048 | |
| 1049 | return result; |
| 1050 | } |
| 1051 | |
| 1052 | static destroyed_instance* |
| 1053 | find_matching_instance (instance) |
| 1054 | widget_instance* instance; |
| 1055 | { |
| 1056 | destroyed_instance* cur; |
| 1057 | destroyed_instance* prev; |
| 1058 | char* type = instance->info->type; |
| 1059 | char* name = instance->info->name; |
| 1060 | |
| 1061 | for (prev = NULL, cur = all_destroyed_instances; |
| 1062 | cur; |
| 1063 | prev = cur, cur = cur->next) |
| 1064 | { |
| 1065 | if (!strcmp (cur->name, name) |
| 1066 | && !strcmp (cur->type, type) |
| 1067 | && cur->parent == instance->parent |
| 1068 | && cur->pop_up_p == instance->pop_up_p) |
| 1069 | { |
| 1070 | if (prev) |
| 1071 | prev->next = cur->next; |
| 1072 | else |
| 1073 | all_destroyed_instances = cur->next; |
| 1074 | return cur; |
| 1075 | } |
| 1076 | /* do some cleanup */ |
| 1077 | else if (!cur->widget) |
| 1078 | { |
| 1079 | if (prev) |
| 1080 | prev->next = cur->next; |
| 1081 | else |
| 1082 | all_destroyed_instances = cur->next; |
| 1083 | free_destroyed_instance (cur); |
| 1084 | cur = prev ? prev : all_destroyed_instances; |
| 1085 | } |
| 1086 | } |
| 1087 | return NULL; |
| 1088 | } |
| 1089 | |
| 1090 | static void |
| 1091 | mark_dead_instance_destroyed (widget, closure, call_data) |
| 1092 | Widget widget; |
| 1093 | XtPointer closure; |
| 1094 | XtPointer call_data; |
| 1095 | { |
| 1096 | destroyed_instance* instance = (destroyed_instance*)closure; |
| 1097 | instance->widget = NULL; |
| 1098 | } |
| 1099 | |
| 1100 | static void |
| 1101 | recenter_widget (widget) |
| 1102 | Widget widget; |
| 1103 | { |
| 1104 | Widget parent = XtParent (widget); |
| 1105 | Screen* screen = XtScreen (widget); |
| 1106 | Dimension screen_width = WidthOfScreen (screen); |
| 1107 | Dimension screen_height = HeightOfScreen (screen); |
| 1108 | Dimension parent_width = 0; |
| 1109 | Dimension parent_height = 0; |
| 1110 | Dimension child_width = 0; |
| 1111 | Dimension child_height = 0; |
| 1112 | Position x; |
| 1113 | Position y; |
| 1114 | |
| 1115 | XtVaGetValues (widget, XtNwidth, &child_width, XtNheight, &child_height, 0); |
| 1116 | XtVaGetValues (parent, XtNwidth, &parent_width, XtNheight, &parent_height, |
| 1117 | 0); |
| 1118 | |
| 1119 | x = (((Position)parent_width) - ((Position)child_width)) / 2; |
| 1120 | y = (((Position)parent_height) - ((Position)child_height)) / 2; |
| 1121 | |
| 1122 | XtTranslateCoords (parent, x, y, &x, &y); |
| 1123 | |
| 1124 | if (x + child_width > screen_width) |
| 1125 | x = screen_width - child_width; |
| 1126 | if (x < 0) |
| 1127 | x = 0; |
| 1128 | |
| 1129 | if (y + child_height > screen_height) |
| 1130 | y = screen_height - child_height; |
| 1131 | if (y < 0) |
| 1132 | y = 0; |
| 1133 | |
| 1134 | XtVaSetValues (widget, XtNx, x, XtNy, y, 0); |
| 1135 | } |
| 1136 | |
| 1137 | static Widget |
| 1138 | recycle_instance (instance) |
| 1139 | destroyed_instance* instance; |
| 1140 | { |
| 1141 | Widget widget = instance->widget; |
| 1142 | |
| 1143 | /* widget is NULL if the parent was destroyed. */ |
| 1144 | if (widget) |
| 1145 | { |
| 1146 | Widget focus; |
| 1147 | Widget separator; |
| 1148 | |
| 1149 | /* Remove the destroy callback as the instance is not in the list |
| 1150 | anymore */ |
| 1151 | XtRemoveCallback (instance->parent, XtNdestroyCallback, |
| 1152 | mark_dead_instance_destroyed, |
| 1153 | (XtPointer)instance); |
| 1154 | |
| 1155 | /* Give the focus to the initial item */ |
| 1156 | focus = XtNameToWidget (widget, "*value"); |
| 1157 | if (!focus) |
| 1158 | focus = XtNameToWidget (widget, "*button1"); |
| 1159 | if (focus) |
| 1160 | XtSetKeyboardFocus (widget, focus); |
| 1161 | |
| 1162 | /* shrink the separator label back to their original size */ |
| 1163 | separator = XtNameToWidget (widget, "*separator_button"); |
| 1164 | if (separator) |
| 1165 | XtVaSetValues (separator, XtNwidth, 5, XtNheight, 5, 0); |
| 1166 | |
| 1167 | /* Center the dialog in its parent */ |
| 1168 | recenter_widget (widget); |
| 1169 | } |
| 1170 | free_destroyed_instance (instance); |
| 1171 | return widget; |
| 1172 | } |
| 1173 | |
| 1174 | Widget |
| 1175 | xm_create_dialog (instance) |
| 1176 | widget_instance* instance; |
| 1177 | { |
| 1178 | char* name = instance->info->type; |
| 1179 | Widget parent = instance->parent; |
| 1180 | Widget widget; |
| 1181 | Boolean pop_up_p = instance->pop_up_p; |
| 1182 | char* shell_name = 0; |
| 1183 | char* icon_name; |
| 1184 | Boolean text_input_slot = False; |
| 1185 | Boolean radio_box = False; |
| 1186 | Boolean list = False; |
| 1187 | int total_buttons; |
| 1188 | int left_buttons = 0; |
| 1189 | int right_buttons = 1; |
| 1190 | destroyed_instance* dead_one; |
| 1191 | |
| 1192 | /* try to find a widget to recycle */ |
| 1193 | dead_one = find_matching_instance (instance); |
| 1194 | if (dead_one) |
| 1195 | { |
| 1196 | Widget recycled_widget = recycle_instance (dead_one); |
| 1197 | if (recycled_widget) |
| 1198 | return recycled_widget; |
| 1199 | } |
| 1200 | |
| 1201 | switch (name [0]){ |
| 1202 | case 'E': case 'e': |
| 1203 | icon_name = "dbox-error"; |
| 1204 | shell_name = "Error"; |
| 1205 | break; |
| 1206 | |
| 1207 | case 'I': case 'i': |
| 1208 | icon_name = "dbox-info"; |
| 1209 | shell_name = "Information"; |
| 1210 | break; |
| 1211 | |
| 1212 | case 'L': case 'l': |
| 1213 | list = True; |
| 1214 | icon_name = "dbox-question"; |
| 1215 | shell_name = "Prompt"; |
| 1216 | break; |
| 1217 | |
| 1218 | case 'P': case 'p': |
| 1219 | text_input_slot = True; |
| 1220 | icon_name = "dbox-question"; |
| 1221 | shell_name = "Prompt"; |
| 1222 | break; |
| 1223 | |
| 1224 | case 'Q': case 'q': |
| 1225 | icon_name = "dbox-question"; |
| 1226 | shell_name = "Question"; |
| 1227 | break; |
| 1228 | } |
| 1229 | |
| 1230 | total_buttons = name [1] - '0'; |
| 1231 | |
| 1232 | if (name [3] == 'T' || name [3] == 't') |
| 1233 | { |
| 1234 | text_input_slot = False; |
| 1235 | radio_box = True; |
| 1236 | } |
| 1237 | else if (name [3]) |
| 1238 | right_buttons = name [4] - '0'; |
| 1239 | |
| 1240 | left_buttons = total_buttons - right_buttons; |
| 1241 | |
| 1242 | widget = make_dialog (name, parent, pop_up_p, |
| 1243 | shell_name, icon_name, text_input_slot, radio_box, |
| 1244 | list, left_buttons, right_buttons); |
| 1245 | |
| 1246 | XtAddCallback (widget, XmNpopdownCallback, xm_nosel_callback, |
| 1247 | (XtPointer) instance); |
| 1248 | return widget; |
| 1249 | } |
| 1250 | |
| 1251 | static Widget |
| 1252 | make_menubar (instance) |
| 1253 | widget_instance* instance; |
| 1254 | { |
| 1255 | return XmCreateMenuBar (instance->parent, instance->info->name, NULL, 0); |
| 1256 | } |
| 1257 | |
| 1258 | static void |
| 1259 | remove_grabs (shell, closure, call_data) |
| 1260 | Widget shell; |
| 1261 | XtPointer closure; |
| 1262 | XtPointer call_data; |
| 1263 | { |
| 1264 | Widget menu = (Widget) closure; |
| 1265 | XmRemoveFromPostFromList (menu, XtParent (XtParent (menu))); |
| 1266 | } |
| 1267 | |
| 1268 | static Widget |
| 1269 | make_popup_menu (instance) |
| 1270 | widget_instance* instance; |
| 1271 | { |
| 1272 | Widget parent = instance->parent; |
| 1273 | Window parent_window = parent->core.window; |
| 1274 | Widget result; |
| 1275 | |
| 1276 | /* sets the parent window to 0 to fool Motif into not generating a grab */ |
| 1277 | parent->core.window = 0; |
| 1278 | result = XmCreatePopupMenu (parent, instance->info->name, NULL, 0); |
| 1279 | XtAddCallback (XtParent (result), XmNpopdownCallback, remove_grabs, |
| 1280 | (XtPointer)result); |
| 1281 | parent->core.window = parent_window; |
| 1282 | return result; |
| 1283 | } |
| 1284 | static Widget |
| 1285 | make_main (instance) |
| 1286 | widget_instance* instance; |
| 1287 | { |
| 1288 | Widget parent = instance->parent; |
| 1289 | Widget result; |
| 1290 | Arg al[2]; |
| 1291 | int ac; |
| 1292 | |
| 1293 | ac = 0; |
| 1294 | XtSetArg (al[ac], XtNborderWidth, 0); ac++; |
| 1295 | XtSetArg (al[ac], XmNspacing, 0); ac++; |
| 1296 | result = XmCreateMainWindow (parent, instance->info->name, al, ac); |
| 1297 | return result; |
| 1298 | } |
| 1299 | |
| 1300 | \f/* Table of functions to create widgets */ |
| 1301 | |
| 1302 | #ifdef ENERGIZE |
| 1303 | |
| 1304 | /* interface with the XDesigner generated functions */ |
| 1305 | typedef Widget (*widget_maker) (Widget); |
| 1306 | extern Widget create_project_p_sheet (Widget parent); |
| 1307 | extern Widget create_debugger_p_sheet (Widget parent); |
| 1308 | extern Widget create_breaklist_p_sheet (Widget parent); |
| 1309 | extern Widget create_le_browser_p_sheet (Widget parent); |
| 1310 | extern Widget create_class_browser_p_sheet (Widget parent); |
| 1311 | extern Widget create_call_browser_p_sheet (Widget parent); |
| 1312 | extern Widget create_build_dialog (Widget parent); |
| 1313 | extern Widget create_editmode_dialog (Widget parent); |
| 1314 | extern Widget create_search_dialog (Widget parent); |
| 1315 | extern Widget create_project_display_dialog (Widget parent); |
| 1316 | |
| 1317 | static Widget |
| 1318 | make_one (widget_instance* instance, widget_maker fn) |
| 1319 | { |
| 1320 | Widget result; |
| 1321 | Arg al [64]; |
| 1322 | int ac = 0; |
| 1323 | |
| 1324 | if (instance->pop_up_p) |
| 1325 | { |
| 1326 | XtSetArg (al [ac], XmNallowShellResize, TRUE); ac++; |
| 1327 | result = XmCreateDialogShell (instance->parent, "dialog", NULL, 0); |
| 1328 | XtAddCallback (result, XmNpopdownCallback, &xm_nosel_callback, |
| 1329 | (XtPointer) instance); |
| 1330 | (*fn) (result); |
| 1331 | } |
| 1332 | else |
| 1333 | { |
| 1334 | result = (*fn) (instance->parent); |
| 1335 | XtRealizeWidget (result); |
| 1336 | } |
| 1337 | return result; |
| 1338 | } |
| 1339 | |
| 1340 | static Widget |
| 1341 | make_project_p_sheet (widget_instance* instance) |
| 1342 | { |
| 1343 | return make_one (instance, create_project_p_sheet); |
| 1344 | } |
| 1345 | |
| 1346 | static Widget |
| 1347 | make_debugger_p_sheet (widget_instance* instance) |
| 1348 | { |
| 1349 | return make_one (instance, create_debugger_p_sheet); |
| 1350 | } |
| 1351 | |
| 1352 | static Widget |
| 1353 | make_breaklist_p_sheet (widget_instance* instance) |
| 1354 | { |
| 1355 | return make_one (instance, create_breaklist_p_sheet); |
| 1356 | } |
| 1357 | |
| 1358 | static Widget |
| 1359 | make_le_browser_p_sheet (widget_instance* instance) |
| 1360 | { |
| 1361 | return make_one (instance, create_le_browser_p_sheet); |
| 1362 | } |
| 1363 | |
| 1364 | static Widget |
| 1365 | make_class_browser_p_sheet (widget_instance* instance) |
| 1366 | { |
| 1367 | return make_one (instance, create_class_browser_p_sheet); |
| 1368 | } |
| 1369 | |
| 1370 | static Widget |
| 1371 | make_call_browser_p_sheet (widget_instance* instance) |
| 1372 | { |
| 1373 | return make_one (instance, create_call_browser_p_sheet); |
| 1374 | } |
| 1375 | |
| 1376 | static Widget |
| 1377 | make_build_dialog (widget_instance* instance) |
| 1378 | { |
| 1379 | return make_one (instance, create_build_dialog); |
| 1380 | } |
| 1381 | |
| 1382 | static Widget |
| 1383 | make_editmode_dialog (widget_instance* instance) |
| 1384 | { |
| 1385 | return make_one (instance, create_editmode_dialog); |
| 1386 | } |
| 1387 | |
| 1388 | static Widget |
| 1389 | make_search_dialog (widget_instance* instance) |
| 1390 | { |
| 1391 | return make_one (instance, create_search_dialog); |
| 1392 | } |
| 1393 | |
| 1394 | static Widget |
| 1395 | make_project_display_dialog (widget_instance* instance) |
| 1396 | { |
| 1397 | return make_one (instance, create_project_display_dialog); |
| 1398 | } |
| 1399 | |
| 1400 | #endif /* ENERGIZE */ |
| 1401 | |
| 1402 | widget_creation_entry |
| 1403 | xm_creation_table [] = |
| 1404 | { |
| 1405 | {"menubar", make_menubar}, |
| 1406 | {"popup", make_popup_menu}, |
| 1407 | {"main", make_main}, |
| 1408 | #ifdef ENERGIZE |
| 1409 | {"project_p_sheet", make_project_p_sheet}, |
| 1410 | {"debugger_p_sheet", make_debugger_p_sheet}, |
| 1411 | {"breaklist_psheet", make_breaklist_p_sheet}, |
| 1412 | {"leb_psheet", make_le_browser_p_sheet}, |
| 1413 | {"class_browser_psheet", make_class_browser_p_sheet}, |
| 1414 | {"ctree_browser_psheet", make_call_browser_p_sheet}, |
| 1415 | {"build", make_build_dialog}, |
| 1416 | {"editmode", make_editmode_dialog}, |
| 1417 | {"search", make_search_dialog}, |
| 1418 | {"project_display", make_project_display_dialog}, |
| 1419 | #endif /* ENERGIZE */ |
| 1420 | {NULL, NULL} |
| 1421 | }; |
| 1422 | |
| 1423 | \f/* Destruction of instances */ |
| 1424 | void |
| 1425 | xm_destroy_instance (instance) |
| 1426 | widget_instance* instance; |
| 1427 | { |
| 1428 | Widget widget = instance->widget; |
| 1429 | /* recycle the dialog boxes */ |
| 1430 | /* Disable the recycling until we can find a way to have the dialog box |
| 1431 | get reasonable layout after we modify its contents. */ |
| 1432 | if (0 |
| 1433 | && XtClass (widget) == xmDialogShellWidgetClass) |
| 1434 | { |
| 1435 | destroyed_instance* dead_instance = |
| 1436 | make_destroyed_instance (instance->info->name, |
| 1437 | instance->info->type, |
| 1438 | instance->widget, |
| 1439 | instance->parent, |
| 1440 | instance->pop_up_p); |
| 1441 | dead_instance->next = all_destroyed_instances; |
| 1442 | all_destroyed_instances = dead_instance; |
| 1443 | XtUnmanageChild (first_child (instance->widget)); |
| 1444 | XFlush (XtDisplay (instance->widget)); |
| 1445 | XtAddCallback (instance->parent, XtNdestroyCallback, |
| 1446 | mark_dead_instance_destroyed, (XtPointer)dead_instance); |
| 1447 | } |
| 1448 | else |
| 1449 | { |
| 1450 | /* This might not be necessary now that the nosel is attached to |
| 1451 | popdown instead of destroy, but it can't hurt. */ |
| 1452 | XtRemoveCallback (instance->widget, XtNdestroyCallback, |
| 1453 | xm_nosel_callback, (XtPointer)instance); |
| 1454 | XtDestroyWidget (instance->widget); |
| 1455 | } |
| 1456 | } |
| 1457 | |
| 1458 | \f/* popup utility */ |
| 1459 | void |
| 1460 | xm_popup_menu (widget, event) |
| 1461 | Widget widget; |
| 1462 | XEvent *event; |
| 1463 | { |
| 1464 | XButtonPressedEvent dummy; |
| 1465 | |
| 1466 | if (event == 0) |
| 1467 | { |
| 1468 | dummy.type = ButtonPress; |
| 1469 | dummy.serial = 0; |
| 1470 | dummy.send_event = 0; |
| 1471 | dummy.display = XtDisplay (widget); |
| 1472 | dummy.window = XtWindow (XtParent (widget)); |
| 1473 | dummy.time = 0; |
| 1474 | dummy.button = 0; |
| 1475 | XQueryPointer (dummy.display, dummy.window, &dummy.root, |
| 1476 | &dummy.subwindow, &dummy.x_root, &dummy.y_root, |
| 1477 | &dummy.x, &dummy.y, &dummy.state); |
| 1478 | event = (XEvent *) &dummy; |
| 1479 | } |
| 1480 | |
| 1481 | if (event->type == ButtonPress || event->type == ButtonRelease) |
| 1482 | { |
| 1483 | /* This is so totally ridiculous: there's NO WAY to tell Motif |
| 1484 | that *any* button can select a menu item. Only one button |
| 1485 | can have that honor. |
| 1486 | */ |
| 1487 | char *trans = 0; |
| 1488 | if (event->xbutton.state & Button5Mask) trans = "<Btn5Down>"; |
| 1489 | else if (event->xbutton.state & Button4Mask) trans = "<Btn4Down>"; |
| 1490 | else if (event->xbutton.state & Button3Mask) trans = "<Btn3Down>"; |
| 1491 | else if (event->xbutton.state & Button2Mask) trans = "<Btn2Down>"; |
| 1492 | else if (event->xbutton.state & Button1Mask) trans = "<Btn1Down>"; |
| 1493 | if (trans) XtVaSetValues (widget, XmNmenuPost, trans, 0); |
| 1494 | XmMenuPosition (widget, (XButtonPressedEvent *) event); |
| 1495 | } |
| 1496 | XtManageChild (widget); |
| 1497 | } |
| 1498 | |
| 1499 | static void |
| 1500 | set_min_dialog_size (w) |
| 1501 | Widget w; |
| 1502 | { |
| 1503 | short width; |
| 1504 | short height; |
| 1505 | XtVaGetValues (w, XmNwidth, &width, XmNheight, &height, 0); |
| 1506 | XtVaSetValues (w, XmNminWidth, width, XmNminHeight, height, 0); |
| 1507 | } |
| 1508 | |
| 1509 | void |
| 1510 | xm_pop_instance (instance, up) |
| 1511 | widget_instance* instance; |
| 1512 | Boolean up; |
| 1513 | { |
| 1514 | Widget widget = instance->widget; |
| 1515 | |
| 1516 | if (XtClass (widget) == xmDialogShellWidgetClass) |
| 1517 | { |
| 1518 | Widget widget_to_manage = first_child (widget); |
| 1519 | if (up) |
| 1520 | { |
| 1521 | XtManageChild (widget_to_manage); |
| 1522 | set_min_dialog_size (widget); |
| 1523 | XtSetKeyboardFocus (instance->parent, widget); |
| 1524 | } |
| 1525 | else |
| 1526 | XtUnmanageChild (widget_to_manage); |
| 1527 | } |
| 1528 | else |
| 1529 | { |
| 1530 | if (up) |
| 1531 | XtManageChild (widget); |
| 1532 | else |
| 1533 | XtUnmanageChild (widget); |
| 1534 | } |
| 1535 | } |
| 1536 | |
| 1537 | \f |
| 1538 | /* motif callback */ |
| 1539 | |
| 1540 | enum do_call_type { pre_activate, selection, no_selection, post_activate }; |
| 1541 | |
| 1542 | static void |
| 1543 | do_call (widget, closure, type) |
| 1544 | Widget widget; |
| 1545 | XtPointer closure; |
| 1546 | enum do_call_type type; |
| 1547 | { |
| 1548 | Arg al [256]; |
| 1549 | int ac; |
| 1550 | XtPointer user_data; |
| 1551 | widget_instance* instance = (widget_instance*)closure; |
| 1552 | Widget instance_widget; |
| 1553 | LWLIB_ID id; |
| 1554 | |
| 1555 | if (!instance) |
| 1556 | return; |
| 1557 | if (widget->core.being_destroyed) |
| 1558 | return; |
| 1559 | |
| 1560 | instance_widget = instance->widget; |
| 1561 | if (!instance_widget) |
| 1562 | return; |
| 1563 | |
| 1564 | id = instance->info->id; |
| 1565 | ac = 0; |
| 1566 | user_data = NULL; |
| 1567 | XtSetArg (al [ac], XmNuserData, &user_data); ac++; |
| 1568 | XtGetValues (widget, al, ac); |
| 1569 | switch (type) |
| 1570 | { |
| 1571 | case pre_activate: |
| 1572 | if (instance->info->pre_activate_cb) |
| 1573 | instance->info->pre_activate_cb (widget, id, user_data); |
| 1574 | break; |
| 1575 | case selection: |
| 1576 | if (instance->info->selection_cb) |
| 1577 | instance->info->selection_cb (widget, id, user_data); |
| 1578 | break; |
| 1579 | case no_selection: |
| 1580 | if (instance->info->selection_cb) |
| 1581 | instance->info->selection_cb (widget, id, (XtPointer) -1); |
| 1582 | break; |
| 1583 | case post_activate: |
| 1584 | if (instance->info->post_activate_cb) |
| 1585 | instance->info->post_activate_cb (widget, id, user_data); |
| 1586 | break; |
| 1587 | default: |
| 1588 | abort (); |
| 1589 | } |
| 1590 | } |
| 1591 | |
| 1592 | /* Like lw_internal_update_other_instances except that it does not do |
| 1593 | anything if its shell parent is not managed. This is to protect |
| 1594 | lw_internal_update_other_instances to dereference freed memory |
| 1595 | if the widget was ``destroyed'' by caching it in the all_destroyed_instances |
| 1596 | list */ |
| 1597 | static void |
| 1598 | xm_internal_update_other_instances (widget, closure, call_data) |
| 1599 | Widget widget; |
| 1600 | XtPointer closure; |
| 1601 | XtPointer call_data; |
| 1602 | { |
| 1603 | Widget parent; |
| 1604 | for (parent = widget; parent; parent = XtParent (parent)) |
| 1605 | if (XtIsShell (parent)) |
| 1606 | break; |
| 1607 | else if (!XtIsManaged (parent)) |
| 1608 | return; |
| 1609 | lw_internal_update_other_instances (widget, closure, call_data); |
| 1610 | } |
| 1611 | |
| 1612 | static void |
| 1613 | xm_generic_callback (widget, closure, call_data) |
| 1614 | Widget widget; |
| 1615 | XtPointer closure; |
| 1616 | XtPointer call_data; |
| 1617 | { |
| 1618 | lw_internal_update_other_instances (widget, closure, call_data); |
| 1619 | do_call (widget, closure, selection); |
| 1620 | } |
| 1621 | |
| 1622 | static void |
| 1623 | xm_nosel_callback (widget, closure, call_data) |
| 1624 | Widget widget; |
| 1625 | XtPointer closure; |
| 1626 | XtPointer call_data; |
| 1627 | { |
| 1628 | /* This callback is only called when a dialog box is dismissed with the wm's |
| 1629 | destroy button (WM_DELETE_WINDOW.) We want the dialog box to be destroyed |
| 1630 | in that case, not just unmapped, so that it releases its keyboard grabs. |
| 1631 | But there are problems with running our callbacks while the widget is in |
| 1632 | the process of being destroyed, so we set XmNdeleteResponse to XmUNMAP |
| 1633 | instead of XmDESTROY and then destroy it ourself after having run the |
| 1634 | callback. |
| 1635 | */ |
| 1636 | do_call (widget, closure, no_selection); |
| 1637 | XtDestroyWidget (widget); |
| 1638 | } |
| 1639 | |
| 1640 | static void |
| 1641 | xm_pull_down_callback (widget, closure, call_data) |
| 1642 | Widget widget; |
| 1643 | XtPointer closure; |
| 1644 | XtPointer call_data; |
| 1645 | { |
| 1646 | do_call (widget, closure, pre_activate); |
| 1647 | } |
| 1648 | |
| 1649 | static void |
| 1650 | xm_pop_down_callback (widget, closure, call_data) |
| 1651 | Widget widget; |
| 1652 | XtPointer closure; |
| 1653 | XtPointer call_data; |
| 1654 | { |
| 1655 | widget_instance *instance = (widget_instance *) closure; |
| 1656 | |
| 1657 | if ((!instance->pop_up_p && (XtParent (widget) == instance->widget)) |
| 1658 | || (XtParent (widget) == instance->parent)) |
| 1659 | do_call (widget, closure, post_activate); |
| 1660 | } |
| 1661 | |
| 1662 | \f |
| 1663 | /* set the keyboard focus */ |
| 1664 | void |
| 1665 | xm_set_keyboard_focus (parent, w) |
| 1666 | Widget parent; |
| 1667 | Widget w; |
| 1668 | { |
| 1669 | XmProcessTraversal (w, 0); |
| 1670 | XtSetKeyboardFocus (parent, w); |
| 1671 | } |
| 1672 | |
| 1673 | /* Motif hack to set the main window areas. */ |
| 1674 | void |
| 1675 | xm_set_main_areas (parent, menubar, work_area) |
| 1676 | Widget parent; |
| 1677 | Widget menubar; |
| 1678 | Widget work_area; |
| 1679 | { |
| 1680 | XmMainWindowSetAreas (parent, |
| 1681 | menubar, /* menubar (maybe 0) */ |
| 1682 | 0, /* command area (psheets) */ |
| 1683 | 0, /* horizontal scroll */ |
| 1684 | 0, /* vertical scroll */ |
| 1685 | work_area); /* work area */ |
| 1686 | } |
| 1687 | |
| 1688 | /* Motif hack to control resizing on the menubar. */ |
| 1689 | void |
| 1690 | xm_manage_resizing (w, flag) |
| 1691 | Widget w; |
| 1692 | Boolean flag; |
| 1693 | { |
| 1694 | if (flag) |
| 1695 | { |
| 1696 | /* Enable the edit widget for resizing. */ |
| 1697 | Arg al[1]; |
| 1698 | |
| 1699 | XtSetArg (al[0], XtNallowShellResize, 0); |
| 1700 | XtSetValues (w, al, 1); |
| 1701 | } |
| 1702 | else |
| 1703 | { |
| 1704 | /* Disable the edit widget from resizing. */ |
| 1705 | Arg al[1]; |
| 1706 | |
| 1707 | XtSetArg (al[0], XtNallowShellResize, 0); |
| 1708 | XtSetValues (w, al, 1); |
| 1709 | } |
| 1710 | } |