| 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, 675 Mass Ave, Cambridge, MA 02139, USA. */ |
| 19 | |
| 20 | #include <stdlib.h> |
| 21 | #include <unistd.h> |
| 22 | #include <string.h> |
| 23 | #include <stdio.h> |
| 24 | |
| 25 | #include <X11/StringDefs.h> |
| 26 | #include <X11/IntrinsicP.h> |
| 27 | #include <X11/ObjectP.h> |
| 28 | #include <X11/CoreP.h> |
| 29 | #include <X11/CompositeP.h> |
| 30 | |
| 31 | #include "lwlib-Xm.h" |
| 32 | #include "lwlib-utils.h" |
| 33 | |
| 34 | #include <Xm/BulletinB.h> |
| 35 | #include <Xm/CascadeB.h> |
| 36 | #include <Xm/DrawingA.h> |
| 37 | #include <Xm/FileSB.h> |
| 38 | #include <Xm/Label.h> |
| 39 | #include <Xm/List.h> |
| 40 | #include <Xm/MainW.h> |
| 41 | #include <Xm/MenuShell.h> |
| 42 | #include <Xm/MessageB.h> |
| 43 | #include <Xm/PanedW.h> |
| 44 | #include <Xm/PushB.h> |
| 45 | #include <Xm/PushBG.h> |
| 46 | #include <Xm/ArrowB.h> |
| 47 | #include <Xm/SelectioB.h> |
| 48 | #include <Xm/Text.h> |
| 49 | #include <Xm/TextF.h> |
| 50 | #include <Xm/ToggleB.h> |
| 51 | #include <Xm/ToggleBG.h> |
| 52 | #include <Xm/RowColumn.h> |
| 53 | #include <Xm/ScrolledW.h> |
| 54 | #include <Xm/Separator.h> |
| 55 | #include <Xm/DialogS.h> |
| 56 | #include <Xm/Form.h> |
| 57 | |
| 58 | static void xm_pull_down_callback (Widget, XtPointer, XtPointer); |
| 59 | static void xm_internal_update_other_instances (Widget, XtPointer, |
| 60 | XtPointer); |
| 61 | static void xm_generic_callback (Widget, XtPointer, XtPointer); |
| 62 | static void xm_nosel_callback (Widget, XtPointer, XtPointer); |
| 63 | static void xm_pop_down_callback (Widget, XtPointer, XtPointer); |
| 64 | |
| 65 | static void |
| 66 | xm_update_menu (widget_instance* instance, Widget widget, widget_value* val, |
| 67 | Boolean deep_p); |
| 68 | |
| 69 | \f/* Structures to keep destroyed instances */ |
| 70 | typedef struct _destroyed_instance |
| 71 | { |
| 72 | char* name; |
| 73 | char* type; |
| 74 | Widget widget; |
| 75 | Widget parent; |
| 76 | Boolean pop_up_p; |
| 77 | struct _destroyed_instance* next; |
| 78 | } destroyed_instance; |
| 79 | |
| 80 | static destroyed_instance* |
| 81 | all_destroyed_instances = NULL; |
| 82 | |
| 83 | static destroyed_instance* |
| 84 | make_destroyed_instance (char* name, char* type, Widget widget, Widget parent, |
| 85 | Boolean pop_up_p) |
| 86 | { |
| 87 | destroyed_instance* instance = |
| 88 | (destroyed_instance*)malloc (sizeof (destroyed_instance)); |
| 89 | instance->name = safe_strdup (name); |
| 90 | instance->type = safe_strdup (type); |
| 91 | instance->widget = widget; |
| 92 | instance->parent = parent; |
| 93 | instance->pop_up_p = pop_up_p; |
| 94 | instance->next = NULL; |
| 95 | return instance; |
| 96 | } |
| 97 | |
| 98 | static void |
| 99 | free_destroyed_instance (destroyed_instance* instance) |
| 100 | { |
| 101 | free (instance->name); |
| 102 | free (instance->type); |
| 103 | free (instance); |
| 104 | } |
| 105 | |
| 106 | \f/* motif utility functions */ |
| 107 | Widget |
| 108 | first_child (Widget widget) |
| 109 | { |
| 110 | return ((CompositeWidget)widget)->composite.children [0]; |
| 111 | } |
| 112 | |
| 113 | Boolean |
| 114 | lw_motif_widget_p (Widget widget) |
| 115 | { |
| 116 | return |
| 117 | XtClass (widget) == xmDialogShellWidgetClass |
| 118 | || XmIsPrimitive (widget) || XmIsManager (widget) || XmIsGadget (widget); |
| 119 | } |
| 120 | |
| 121 | static XmString |
| 122 | resource_motif_string (Widget widget, char* name) |
| 123 | { |
| 124 | XtResource resource; |
| 125 | XmString result = 0; |
| 126 | |
| 127 | resource.resource_name = name; |
| 128 | resource.resource_class = XmCXmString; |
| 129 | resource.resource_type = XmRXmString; |
| 130 | resource.resource_size = sizeof (XmString); |
| 131 | resource.resource_offset = 0; |
| 132 | resource.default_type = XtRImmediate; |
| 133 | resource.default_addr = 0; |
| 134 | |
| 135 | XtGetSubresources (widget, (XtPointer)&result, "dialogString", |
| 136 | "DialogString", &resource, 1, NULL, 0); |
| 137 | return result; |
| 138 | } |
| 139 | |
| 140 | static void |
| 141 | destroy_all_children (Widget widget) |
| 142 | { |
| 143 | Widget* children; |
| 144 | unsigned int number; |
| 145 | int i; |
| 146 | |
| 147 | children = XtCompositeChildren (widget, &number); |
| 148 | if (children) |
| 149 | { |
| 150 | /* Unmanage all children and destroy them. They will only be |
| 151 | * really destroyed when we get out of DispatchEvent. */ |
| 152 | for (i = 0; i < number; i++) |
| 153 | { |
| 154 | Widget child = children [i]; |
| 155 | if (!child->core.being_destroyed) |
| 156 | { |
| 157 | XtUnmanageChild (child); |
| 158 | XtDestroyWidget (child); |
| 159 | } |
| 160 | } |
| 161 | XtFree ((char *) children); |
| 162 | } |
| 163 | } |
| 164 | |
| 165 | \f/* update the label of anything subclass of a label */ |
| 166 | static void |
| 167 | xm_update_label (widget_instance* instance, Widget widget, widget_value* val) |
| 168 | { |
| 169 | XmString res_string = 0; |
| 170 | XmString built_string = 0; |
| 171 | XmString key_string = 0; |
| 172 | Arg al [256]; |
| 173 | int ac; |
| 174 | |
| 175 | ac = 0; |
| 176 | |
| 177 | if (val->value) |
| 178 | { |
| 179 | res_string = resource_motif_string (widget, val->value); |
| 180 | |
| 181 | if (res_string) |
| 182 | { |
| 183 | XtSetArg (al [ac], XmNlabelString, res_string); ac++; |
| 184 | } |
| 185 | else |
| 186 | { |
| 187 | built_string = |
| 188 | XmStringCreateLtoR (val->value, XmSTRING_DEFAULT_CHARSET); |
| 189 | XtSetArg (al [ac], XmNlabelString, built_string); ac++; |
| 190 | } |
| 191 | XtSetArg (al [ac], XmNlabelType, XmSTRING); ac++; |
| 192 | } |
| 193 | |
| 194 | if (val->key) |
| 195 | { |
| 196 | key_string = XmStringCreateLtoR (val->key, XmSTRING_DEFAULT_CHARSET); |
| 197 | XtSetArg (al [ac], XmNacceleratorText, key_string); ac++; |
| 198 | } |
| 199 | |
| 200 | if (ac) |
| 201 | XtSetValues (widget, al, ac); |
| 202 | |
| 203 | if (built_string) |
| 204 | XmStringFree (built_string); |
| 205 | |
| 206 | if (key_string) |
| 207 | XmStringFree (key_string); |
| 208 | } |
| 209 | |
| 210 | \f/* update of list */ |
| 211 | static void |
| 212 | xm_update_list (widget_instance* instance, Widget widget, widget_value* val) |
| 213 | { |
| 214 | widget_value* cur; |
| 215 | int i; |
| 216 | XtRemoveAllCallbacks (widget, XmNsingleSelectionCallback); |
| 217 | XtAddCallback (widget, XmNsingleSelectionCallback, xm_generic_callback, |
| 218 | instance); |
| 219 | for (cur = val->contents, i = 0; cur; cur = cur->next) |
| 220 | if (cur->value) |
| 221 | { |
| 222 | XmString xmstr = XmStringCreate (cur->value, XmSTRING_DEFAULT_CHARSET); |
| 223 | i += 1; |
| 224 | XmListAddItem (widget, xmstr, 0); |
| 225 | if (cur->selected) |
| 226 | XmListSelectPos (widget, i, False); |
| 227 | XmStringFree (xmstr); |
| 228 | } |
| 229 | } |
| 230 | |
| 231 | \f/* update of buttons */ |
| 232 | static void |
| 233 | xm_update_pushbutton (widget_instance* instance, Widget widget, |
| 234 | widget_value* val) |
| 235 | { |
| 236 | XtVaSetValues (widget, XmNalignment, XmALIGNMENT_CENTER, 0); |
| 237 | XtRemoveAllCallbacks (widget, XmNactivateCallback); |
| 238 | XtAddCallback (widget, XmNactivateCallback, xm_generic_callback, instance); |
| 239 | } |
| 240 | |
| 241 | static void |
| 242 | xm_update_cascadebutton (widget_instance* instance, Widget widget, |
| 243 | widget_value* val) |
| 244 | { |
| 245 | /* Should also rebuild the menu by calling ...update_menu... */ |
| 246 | XtRemoveAllCallbacks (widget, XmNcascadingCallback); |
| 247 | XtAddCallback (widget, XmNcascadingCallback, xm_pull_down_callback, |
| 248 | instance); |
| 249 | } |
| 250 | |
| 251 | \f/* update toggle and radiobox */ |
| 252 | static void |
| 253 | xm_update_toggle (widget_instance* instance, Widget widget, widget_value* val) |
| 254 | { |
| 255 | XtRemoveAllCallbacks (widget, XmNvalueChangedCallback); |
| 256 | XtAddCallback (widget, XmNvalueChangedCallback, |
| 257 | xm_internal_update_other_instances, instance); |
| 258 | XtVaSetValues (widget, XmNset, val->selected, |
| 259 | XmNalignment, XmALIGNMENT_BEGINNING, 0); |
| 260 | } |
| 261 | |
| 262 | static void |
| 263 | xm_update_radiobox (widget_instance* instance, Widget widget, |
| 264 | widget_value* val) |
| 265 | { |
| 266 | Widget toggle; |
| 267 | widget_value* cur; |
| 268 | |
| 269 | /* update the callback */ |
| 270 | XtRemoveAllCallbacks (widget, XmNentryCallback); |
| 271 | XtAddCallback (widget, XmNentryCallback, xm_generic_callback, instance); |
| 272 | |
| 273 | /* first update all the toggles */ |
| 274 | /* Energize kernel interface is currently bad. It sets the selected widget |
| 275 | with the selected flag but returns it by its name. So we currently |
| 276 | have to support both setting the selection with the selected slot |
| 277 | of val contents and setting it with the "value" slot of val. The latter |
| 278 | has a higher priority. This to be removed when the kernel is fixed. */ |
| 279 | for (cur = val->contents; cur; cur = cur->next) |
| 280 | { |
| 281 | toggle = XtNameToWidget (widget, cur->value); |
| 282 | if (toggle) |
| 283 | { |
| 284 | XtVaSetValues (toggle, XmNsensitive, cur->enabled, 0); |
| 285 | if (!val->value && cur->selected) |
| 286 | XtVaSetValues (toggle, XmNset, cur->selected, 0); |
| 287 | if (val->value && strcmp (val->value, cur->value)) |
| 288 | XtVaSetValues (toggle, XmNset, False, 0); |
| 289 | } |
| 290 | } |
| 291 | |
| 292 | /* The selected was specified by the value slot */ |
| 293 | if (val->value) |
| 294 | { |
| 295 | toggle = XtNameToWidget (widget, val->value); |
| 296 | if (toggle) |
| 297 | XtVaSetValues (toggle, XmNset, True, 0); |
| 298 | } |
| 299 | } |
| 300 | |
| 301 | \f/* update a popup menu, pulldown menu or a menubar */ |
| 302 | static Boolean |
| 303 | all_dashes_p (char* s) |
| 304 | { |
| 305 | char* t; |
| 306 | for (t = s; *t; t++) |
| 307 | if (*t != '-') |
| 308 | return False; |
| 309 | return True; |
| 310 | } |
| 311 | |
| 312 | static void |
| 313 | make_menu_in_widget (widget_instance* instance, Widget widget, |
| 314 | widget_value* val) |
| 315 | { |
| 316 | Widget* children = 0; |
| 317 | int num_children; |
| 318 | int child_index; |
| 319 | widget_value* cur; |
| 320 | Widget button = 0; |
| 321 | Widget menu; |
| 322 | Arg al [256]; |
| 323 | int ac; |
| 324 | Boolean menubar_p; |
| 325 | |
| 326 | /* Allocate the children array */ |
| 327 | for (num_children = 0, cur = val; cur; num_children++, cur = cur->next); |
| 328 | children = (Widget*)XtMalloc (num_children * sizeof (Widget)); |
| 329 | |
| 330 | /* tricky way to know if this RowColumn is a menubar or a pulldown... */ |
| 331 | menubar_p = False; |
| 332 | XtSetArg (al[0], XmNisHomogeneous, &menubar_p); |
| 333 | XtGetValues (widget, al, 1); |
| 334 | |
| 335 | /* add the unmap callback for popups and pulldowns */ |
| 336 | /*** this sounds bogus ***/ |
| 337 | if (!menubar_p) |
| 338 | XtAddCallback (XtParent (widget), XmNpopdownCallback, |
| 339 | xm_pop_down_callback, (XtPointer)instance); |
| 340 | |
| 341 | for (child_index = 0, cur = val; cur; child_index++, cur = cur->next) |
| 342 | { |
| 343 | ac = 0; |
| 344 | XtSetArg (al [ac], XmNsensitive, cur->enabled); ac++; |
| 345 | XtSetArg (al [ac], XmNalignment, XmALIGNMENT_BEGINNING); ac++; |
| 346 | XtSetArg (al [ac], XmNuserData, cur->call_data); ac++; |
| 347 | |
| 348 | if (instance->pop_up_p && !cur->contents && !cur->call_data |
| 349 | && !all_dashes_p (cur->name)) |
| 350 | { |
| 351 | ac = 0; |
| 352 | XtSetArg (al[ac], XmNalignment, XmALIGNMENT_CENTER); ac++; |
| 353 | button = XmCreateLabel (widget, cur->name, al, ac); |
| 354 | } |
| 355 | else if (all_dashes_p (cur->name)) |
| 356 | { |
| 357 | button = XmCreateSeparator (widget, cur->name, NULL, 0); |
| 358 | } |
| 359 | else if (!cur->contents) |
| 360 | { |
| 361 | if (menubar_p) |
| 362 | button = XmCreateCascadeButton (widget, cur->name, al, ac); |
| 363 | else if (!cur->call_data) |
| 364 | button = XmCreateLabel (widget, cur->name, al, ac); |
| 365 | else |
| 366 | button = XmCreatePushButtonGadget (widget, cur->name, al, ac); |
| 367 | |
| 368 | xm_update_label (instance, button, cur); |
| 369 | |
| 370 | /* don't add a callback to a simple label */ |
| 371 | if (cur->call_data) |
| 372 | XtAddCallback (button, XmNactivateCallback, xm_generic_callback, |
| 373 | (XtPointer)instance); |
| 374 | } |
| 375 | else |
| 376 | { |
| 377 | menu = XmCreatePulldownMenu (widget, "pulldown", NULL, 0); |
| 378 | make_menu_in_widget (instance, menu, cur->contents); |
| 379 | XtSetArg (al [ac], XmNsubMenuId, menu); ac++; |
| 380 | button = XmCreateCascadeButton (widget, cur->name, al, ac); |
| 381 | |
| 382 | xm_update_label (instance, button, cur); |
| 383 | |
| 384 | XtAddCallback (button, XmNcascadingCallback, xm_pull_down_callback, |
| 385 | (XtPointer)instance); |
| 386 | } |
| 387 | |
| 388 | children [child_index] = button; |
| 389 | } |
| 390 | |
| 391 | XtManageChildren (children, num_children); |
| 392 | |
| 393 | /* Last entry is the help button. Has to be done after managing |
| 394 | * the buttons otherwise the menubar is only 4 pixels high... */ |
| 395 | if (button) |
| 396 | { |
| 397 | ac = 0; |
| 398 | XtSetArg (al [ac], XmNmenuHelpWidget, button); ac++; |
| 399 | XtSetValues (widget, al, ac); |
| 400 | } |
| 401 | |
| 402 | XtFree ((char *) children); |
| 403 | } |
| 404 | |
| 405 | static void |
| 406 | update_one_menu_entry (widget_instance* instance, Widget widget, |
| 407 | widget_value* val, Boolean deep_p) |
| 408 | { |
| 409 | Arg al [256]; |
| 410 | int ac; |
| 411 | Widget menu; |
| 412 | widget_value* contents; |
| 413 | |
| 414 | if (val->change == NO_CHANGE) |
| 415 | return; |
| 416 | |
| 417 | /* update the sensitivity and userdata */ |
| 418 | /* Common to all widget types */ |
| 419 | XtVaSetValues (widget, |
| 420 | XmNsensitive, val->enabled, |
| 421 | XmNuserData, val->call_data, |
| 422 | 0); |
| 423 | |
| 424 | /* update the menu button as a label. */ |
| 425 | if (val->change >= VISIBLE_CHANGE) |
| 426 | xm_update_label (instance, widget, val); |
| 427 | |
| 428 | /* update the pulldown/pullaside as needed */ |
| 429 | ac = 0; |
| 430 | menu = NULL; |
| 431 | XtSetArg (al [ac], XmNsubMenuId, &menu); ac++; |
| 432 | XtGetValues (widget, al, ac); |
| 433 | |
| 434 | contents = val->contents; |
| 435 | |
| 436 | if (!menu) |
| 437 | { |
| 438 | if (contents) |
| 439 | { |
| 440 | menu = XmCreatePulldownMenu (XtParent (widget), "pulldown", NULL, 0); |
| 441 | make_menu_in_widget (instance, menu, contents); |
| 442 | ac = 0; |
| 443 | XtSetArg (al [ac], XmNsubMenuId, menu); ac++; |
| 444 | XtSetValues (widget, al, ac); |
| 445 | } |
| 446 | } |
| 447 | else if (!contents) |
| 448 | { |
| 449 | ac = 0; |
| 450 | XtSetArg (al [ac], XmNsubMenuId, NULL); ac++; |
| 451 | XtSetValues (widget, al, ac); |
| 452 | XtDestroyWidget (menu); |
| 453 | } |
| 454 | else if (deep_p && contents->change != NO_CHANGE) |
| 455 | xm_update_menu (instance, menu, val, 1); |
| 456 | } |
| 457 | |
| 458 | static void |
| 459 | xm_update_menu (widget_instance* instance, Widget widget, widget_value* val, |
| 460 | Boolean deep_p) |
| 461 | { |
| 462 | /* Widget is a RowColumn widget whose contents have to be updated |
| 463 | * to reflect the list of items in val->contents */ |
| 464 | if (val->contents->change == STRUCTURAL_CHANGE) |
| 465 | { |
| 466 | destroy_all_children (widget); |
| 467 | make_menu_in_widget (instance, widget, val->contents); |
| 468 | } |
| 469 | else |
| 470 | { |
| 471 | /* Update all the buttons of the RowColumn in order. */ |
| 472 | Widget* children; |
| 473 | unsigned int num_children; |
| 474 | int i; |
| 475 | widget_value* cur; |
| 476 | |
| 477 | children = XtCompositeChildren (widget, &num_children); |
| 478 | if (children) |
| 479 | { |
| 480 | for (i = 0, cur = val->contents; i < num_children; i++) |
| 481 | { |
| 482 | if (!cur) |
| 483 | abort (); |
| 484 | if (children [i]->core.being_destroyed |
| 485 | || strcmp (XtName (children [i]), cur->name)) |
| 486 | continue; |
| 487 | update_one_menu_entry (instance, children [i], cur, deep_p); |
| 488 | cur = cur->next; |
| 489 | } |
| 490 | XtFree ((char *) children); |
| 491 | } |
| 492 | if (cur) |
| 493 | abort (); |
| 494 | } |
| 495 | } |
| 496 | |
| 497 | \f |
| 498 | /* update text widgets */ |
| 499 | |
| 500 | static void |
| 501 | xm_update_text (widget_instance* instance, Widget widget, widget_value* val) |
| 502 | { |
| 503 | XmTextSetString (widget, val->value ? val->value : ""); |
| 504 | XtRemoveAllCallbacks (widget, XmNactivateCallback); |
| 505 | XtAddCallback (widget, XmNactivateCallback, xm_generic_callback, instance); |
| 506 | XtRemoveAllCallbacks (widget, XmNvalueChangedCallback); |
| 507 | XtAddCallback (widget, XmNvalueChangedCallback, |
| 508 | xm_internal_update_other_instances, instance); |
| 509 | } |
| 510 | |
| 511 | static void |
| 512 | xm_update_text_field (widget_instance* instance, Widget widget, |
| 513 | widget_value* val) |
| 514 | { |
| 515 | XmTextFieldSetString (widget, val->value ? val->value : ""); |
| 516 | XtRemoveAllCallbacks (widget, XmNactivateCallback); |
| 517 | XtAddCallback (widget, XmNactivateCallback, xm_generic_callback, instance); |
| 518 | XtRemoveAllCallbacks (widget, XmNvalueChangedCallback); |
| 519 | XtAddCallback (widget, XmNvalueChangedCallback, |
| 520 | xm_internal_update_other_instances, instance); |
| 521 | } |
| 522 | |
| 523 | \f |
| 524 | /* update a motif widget */ |
| 525 | |
| 526 | void |
| 527 | xm_update_one_widget (widget_instance* instance, Widget widget, |
| 528 | widget_value* val, Boolean deep_p) |
| 529 | { |
| 530 | WidgetClass class; |
| 531 | |
| 532 | /* Mark as not edited */ |
| 533 | val->edited = False; |
| 534 | |
| 535 | /* Common to all widget types */ |
| 536 | XtVaSetValues (widget, |
| 537 | XmNsensitive, val->enabled, |
| 538 | XmNuserData, val->call_data, |
| 539 | 0); |
| 540 | |
| 541 | /* Common to all label like widgets */ |
| 542 | if (XtIsSubclass (widget, xmLabelWidgetClass)) |
| 543 | xm_update_label (instance, widget, val); |
| 544 | |
| 545 | class = XtClass (widget); |
| 546 | /* Class specific things */ |
| 547 | if (class == xmPushButtonWidgetClass || |
| 548 | class == xmArrowButtonWidgetClass) |
| 549 | { |
| 550 | xm_update_pushbutton (instance, widget, val); |
| 551 | } |
| 552 | else if (class == xmCascadeButtonWidgetClass) |
| 553 | { |
| 554 | xm_update_cascadebutton (instance, widget, val); |
| 555 | } |
| 556 | else if (class == xmToggleButtonWidgetClass |
| 557 | || class == xmToggleButtonGadgetClass) |
| 558 | { |
| 559 | xm_update_toggle (instance, widget, val); |
| 560 | } |
| 561 | else if (class == xmRowColumnWidgetClass) |
| 562 | { |
| 563 | Boolean radiobox = 0; |
| 564 | int ac = 0; |
| 565 | Arg al [1]; |
| 566 | |
| 567 | XtSetArg (al [ac], XmNradioBehavior, &radiobox); ac++; |
| 568 | XtGetValues (widget, al, ac); |
| 569 | |
| 570 | if (radiobox) |
| 571 | xm_update_radiobox (instance, widget, val); |
| 572 | else |
| 573 | xm_update_menu (instance, widget, val, deep_p); |
| 574 | } |
| 575 | else if (class == xmTextWidgetClass) |
| 576 | { |
| 577 | xm_update_text (instance, widget, val); |
| 578 | } |
| 579 | else if (class == xmTextFieldWidgetClass) |
| 580 | { |
| 581 | xm_update_text_field (instance, widget, val); |
| 582 | } |
| 583 | else if (class == xmListWidgetClass) |
| 584 | { |
| 585 | xm_update_list (instance, widget, val); |
| 586 | } |
| 587 | } |
| 588 | |
| 589 | \f/* getting the value back */ |
| 590 | void |
| 591 | xm_update_one_value (widget_instance* instance, Widget widget, |
| 592 | widget_value* val) |
| 593 | { |
| 594 | WidgetClass class = XtClass (widget); |
| 595 | widget_value *old_wv; |
| 596 | |
| 597 | /* copy the call_data slot into the "return" widget_value */ |
| 598 | for (old_wv = instance->info->val->contents; old_wv; old_wv = old_wv->next) |
| 599 | if (!strcmp (val->name, old_wv->name)) |
| 600 | { |
| 601 | val->call_data = old_wv->call_data; |
| 602 | break; |
| 603 | } |
| 604 | |
| 605 | if (class == xmToggleButtonWidgetClass || class == xmToggleButtonGadgetClass) |
| 606 | { |
| 607 | XtVaGetValues (widget, XmNset, &val->selected, 0); |
| 608 | val->edited = True; |
| 609 | } |
| 610 | else if (class == xmTextWidgetClass) |
| 611 | { |
| 612 | if (val->value) |
| 613 | free (val->value); |
| 614 | val->value = XmTextGetString (widget); |
| 615 | val->edited = True; |
| 616 | } |
| 617 | else if (class == xmTextFieldWidgetClass) |
| 618 | { |
| 619 | if (val->value) |
| 620 | free (val->value); |
| 621 | val->value = XmTextFieldGetString (widget); |
| 622 | val->edited = True; |
| 623 | } |
| 624 | else if (class == xmRowColumnWidgetClass) |
| 625 | { |
| 626 | Boolean radiobox = 0; |
| 627 | int ac = 0; |
| 628 | Arg al [1]; |
| 629 | |
| 630 | XtSetArg (al [ac], XmNradioBehavior, &radiobox); ac++; |
| 631 | XtGetValues (widget, al, ac); |
| 632 | |
| 633 | if (radiobox) |
| 634 | { |
| 635 | CompositeWidget radio = (CompositeWidget)widget; |
| 636 | int i; |
| 637 | for (i = 0; i < radio->composite.num_children; i++) |
| 638 | { |
| 639 | int set = False; |
| 640 | Widget toggle = radio->composite.children [i]; |
| 641 | |
| 642 | XtVaGetValues (toggle, XmNset, &set, 0); |
| 643 | if (set) |
| 644 | { |
| 645 | if (val->value) |
| 646 | free (val->value); |
| 647 | val->value = safe_strdup (XtName (toggle)); |
| 648 | } |
| 649 | } |
| 650 | val->edited = True; |
| 651 | } |
| 652 | } |
| 653 | else if (class == xmListWidgetClass) |
| 654 | { |
| 655 | int pos_cnt; |
| 656 | int* pos_list; |
| 657 | if (XmListGetSelectedPos (widget, &pos_list, &pos_cnt)) |
| 658 | { |
| 659 | int i; |
| 660 | widget_value* cur; |
| 661 | for (cur = val->contents, i = 0; cur; cur = cur->next) |
| 662 | if (cur->value) |
| 663 | { |
| 664 | int j; |
| 665 | cur->selected = False; |
| 666 | i += 1; |
| 667 | for (j = 0; j < pos_cnt; j++) |
| 668 | if (pos_list [j] == i) |
| 669 | { |
| 670 | cur->selected = True; |
| 671 | val->value = safe_strdup (cur->name); |
| 672 | } |
| 673 | } |
| 674 | val->edited = 1; |
| 675 | XtFree ((char *) pos_list); |
| 676 | } |
| 677 | } |
| 678 | } |
| 679 | |
| 680 | \f |
| 681 | /* This function is for activating a button from a program. It's wrong because |
| 682 | we pass a NULL argument in the call_data which is not Motif compatible. |
| 683 | This is used from the XmNdefaultAction callback of the List widgets to |
| 684 | have a dble-click put down a dialog box like the button woudl do. |
| 685 | I could not find a way to do that with accelerators. |
| 686 | */ |
| 687 | static void |
| 688 | activate_button (Widget widget, XtPointer closure, XtPointer call_data) |
| 689 | { |
| 690 | Widget button = (Widget)closure; |
| 691 | XtCallCallbacks (button, XmNactivateCallback, NULL); |
| 692 | } |
| 693 | |
| 694 | /* creation functions */ |
| 695 | |
| 696 | /* dialogs */ |
| 697 | static Widget |
| 698 | make_dialog (char* name, Widget parent, Boolean pop_up_p, |
| 699 | char* shell_title, char* icon_name, Boolean text_input_slot, |
| 700 | Boolean radio_box, Boolean list, |
| 701 | int left_buttons, int right_buttons) |
| 702 | { |
| 703 | Widget result; |
| 704 | Widget form; |
| 705 | Widget row; |
| 706 | Widget icon; |
| 707 | Widget icon_separator; |
| 708 | Widget message; |
| 709 | Widget value = 0; |
| 710 | Widget separator; |
| 711 | Widget button = 0; |
| 712 | Widget children [16]; /* for the final XtManageChildren */ |
| 713 | int n_children; |
| 714 | Arg al[64]; /* Arg List */ |
| 715 | int ac; /* Arg Count */ |
| 716 | int i; |
| 717 | |
| 718 | if (pop_up_p) |
| 719 | { |
| 720 | ac = 0; |
| 721 | XtSetArg(al[ac], XmNtitle, shell_title); ac++; |
| 722 | XtSetArg(al[ac], XtNallowShellResize, True); ac++; |
| 723 | XtSetArg(al[ac], XmNdeleteResponse, XmUNMAP); ac++; |
| 724 | result = XmCreateDialogShell (parent, "dialog", al, ac); |
| 725 | ac = 0; |
| 726 | XtSetArg(al[ac], XmNautoUnmanage, FALSE); ac++; |
| 727 | /* XtSetArg(al[ac], XmNautoUnmanage, TRUE); ac++; */ /* ####is this ok? */ |
| 728 | XtSetArg(al[ac], XmNnavigationType, XmTAB_GROUP); ac++; |
| 729 | form = XmCreateForm (result, shell_title, al, ac); |
| 730 | } |
| 731 | else |
| 732 | { |
| 733 | ac = 0; |
| 734 | XtSetArg(al[ac], XmNautoUnmanage, FALSE); ac++; |
| 735 | XtSetArg(al[ac], XmNnavigationType, XmTAB_GROUP); ac++; |
| 736 | form = XmCreateForm (parent, shell_title, al, ac); |
| 737 | result = form; |
| 738 | } |
| 739 | |
| 740 | n_children = left_buttons + right_buttons + 1; |
| 741 | ac = 0; |
| 742 | XtSetArg(al[ac], XmNpacking, n_children == 3? |
| 743 | XmPACK_COLUMN: XmPACK_TIGHT); ac++; |
| 744 | XtSetArg(al[ac], XmNorientation, n_children == 3? |
| 745 | XmVERTICAL: XmHORIZONTAL); ac++; |
| 746 | XtSetArg(al[ac], XmNnumColumns, left_buttons + right_buttons + 1); ac++; |
| 747 | XtSetArg(al[ac], XmNmarginWidth, 0); ac++; |
| 748 | XtSetArg(al[ac], XmNmarginHeight, 0); ac++; |
| 749 | XtSetArg(al[ac], XmNspacing, 13); ac++; |
| 750 | XtSetArg(al[ac], XmNadjustLast, False); ac++; |
| 751 | XtSetArg(al[ac], XmNalignment, XmALIGNMENT_CENTER); ac++; |
| 752 | XtSetArg(al[ac], XmNisAligned, True); ac++; |
| 753 | XtSetArg(al[ac], XmNtopAttachment, XmATTACH_NONE); ac++; |
| 754 | XtSetArg(al[ac], XmNbottomAttachment, XmATTACH_FORM); ac++; |
| 755 | XtSetArg(al[ac], XmNbottomOffset, 13); ac++; |
| 756 | XtSetArg(al[ac], XmNleftAttachment, XmATTACH_FORM); ac++; |
| 757 | XtSetArg(al[ac], XmNleftOffset, 13); ac++; |
| 758 | XtSetArg(al[ac], XmNrightAttachment, XmATTACH_FORM); ac++; |
| 759 | XtSetArg(al[ac], XmNrightOffset, 13); ac++; |
| 760 | row = XmCreateRowColumn (form, "row", al, ac); |
| 761 | |
| 762 | n_children = 0; |
| 763 | for (i = 0; i < left_buttons; i++) |
| 764 | { |
| 765 | char button_name [16]; |
| 766 | sprintf (button_name, "button%d", i + 1); |
| 767 | ac = 0; |
| 768 | if (i == 0) |
| 769 | { |
| 770 | XtSetArg(al[ac], XmNhighlightThickness, 1); ac++; |
| 771 | XtSetArg(al[ac], XmNshowAsDefault, TRUE); ac++; |
| 772 | } |
| 773 | XtSetArg(al[ac], XmNmarginWidth, 10); ac++; |
| 774 | XtSetArg(al[ac], XmNnavigationType, XmTAB_GROUP); ac++; |
| 775 | children [n_children] = XmCreatePushButton (row, button_name, al, ac); |
| 776 | |
| 777 | if (i == 0) |
| 778 | { |
| 779 | button = children [n_children]; |
| 780 | ac = 0; |
| 781 | XtSetArg(al[ac], XmNdefaultButton, button); ac++; |
| 782 | XtSetValues (row, al, ac); |
| 783 | } |
| 784 | |
| 785 | n_children++; |
| 786 | } |
| 787 | |
| 788 | /* invisible seperator button */ |
| 789 | ac = 0; |
| 790 | XtSetArg (al[ac], XmNmappedWhenManaged, FALSE); ac++; |
| 791 | children [n_children] = XmCreateLabel (row, "separator_button", al, ac); |
| 792 | n_children++; |
| 793 | |
| 794 | for (i = 0; i < right_buttons; i++) |
| 795 | { |
| 796 | char button_name [16]; |
| 797 | sprintf (button_name, "button%d", left_buttons + i + 1); |
| 798 | ac = 0; |
| 799 | XtSetArg(al[ac], XmNmarginWidth, 10); ac++; |
| 800 | XtSetArg(al[ac], XmNnavigationType, XmTAB_GROUP); ac++; |
| 801 | children [n_children] = XmCreatePushButton (row, button_name, al, ac); |
| 802 | if (! button) button = children [n_children]; |
| 803 | n_children++; |
| 804 | } |
| 805 | |
| 806 | XtManageChildren (children, n_children); |
| 807 | |
| 808 | ac = 0; |
| 809 | XtSetArg(al[ac], XmNtopAttachment, XmATTACH_NONE); ac++; |
| 810 | XtSetArg(al[ac], XmNbottomAttachment, XmATTACH_WIDGET); ac++; |
| 811 | XtSetArg(al[ac], XmNbottomOffset, 13); ac++; |
| 812 | XtSetArg(al[ac], XmNbottomWidget, row); ac++; |
| 813 | XtSetArg(al[ac], XmNleftAttachment, XmATTACH_FORM); ac++; |
| 814 | XtSetArg(al[ac], XmNleftOffset, 0); ac++; |
| 815 | XtSetArg(al[ac], XmNrightAttachment, XmATTACH_FORM); ac++; |
| 816 | XtSetArg(al[ac], XmNrightOffset, 0); ac++; |
| 817 | separator = XmCreateSeparator (form, "", al, ac); |
| 818 | |
| 819 | ac = 0; |
| 820 | XtSetArg(al[ac], XmNlabelType, XmPIXMAP); ac++; |
| 821 | XtSetArg(al[ac], XmNtopAttachment, XmATTACH_FORM); ac++; |
| 822 | XtSetArg(al[ac], XmNtopOffset, 13); ac++; |
| 823 | XtSetArg(al[ac], XmNbottomAttachment, XmATTACH_NONE); ac++; |
| 824 | XtSetArg(al[ac], XmNleftAttachment, XmATTACH_FORM); ac++; |
| 825 | XtSetArg(al[ac], XmNleftOffset, 13); ac++; |
| 826 | XtSetArg(al[ac], XmNrightAttachment, XmATTACH_NONE); ac++; |
| 827 | icon = XmCreateLabel (form, icon_name, al, ac); |
| 828 | |
| 829 | ac = 0; |
| 830 | XtSetArg(al[ac], XmNmappedWhenManaged, FALSE); ac++; |
| 831 | XtSetArg(al[ac], XmNtopAttachment, XmATTACH_WIDGET); ac++; |
| 832 | XtSetArg(al[ac], XmNtopOffset, 6); ac++; |
| 833 | XtSetArg(al[ac], XmNtopWidget, icon); ac++; |
| 834 | XtSetArg(al[ac], XmNbottomAttachment, XmATTACH_WIDGET); ac++; |
| 835 | XtSetArg(al[ac], XmNbottomOffset, 6); ac++; |
| 836 | XtSetArg(al[ac], XmNbottomWidget, separator); ac++; |
| 837 | XtSetArg(al[ac], XmNleftAttachment, XmATTACH_NONE); ac++; |
| 838 | XtSetArg(al[ac], XmNrightAttachment, XmATTACH_NONE); ac++; |
| 839 | icon_separator = XmCreateLabel (form, "", al, ac); |
| 840 | |
| 841 | if (text_input_slot) |
| 842 | { |
| 843 | ac = 0; |
| 844 | XtSetArg(al[ac], XmNcolumns, 50); ac++; |
| 845 | XtSetArg(al[ac], XmNtopAttachment, XmATTACH_NONE); ac++; |
| 846 | XtSetArg(al[ac], XmNbottomAttachment, XmATTACH_WIDGET); ac++; |
| 847 | XtSetArg(al[ac], XmNbottomOffset, 13); ac++; |
| 848 | XtSetArg(al[ac], XmNbottomWidget, separator); ac++; |
| 849 | XtSetArg(al[ac], XmNleftAttachment, XmATTACH_WIDGET); ac++; |
| 850 | XtSetArg(al[ac], XmNleftOffset, 13); ac++; |
| 851 | XtSetArg(al[ac], XmNleftWidget, icon); ac++; |
| 852 | XtSetArg(al[ac], XmNrightAttachment, XmATTACH_FORM); ac++; |
| 853 | XtSetArg(al[ac], XmNrightOffset, 13); ac++; |
| 854 | value = XmCreateTextField (form, "value", al, ac); |
| 855 | } |
| 856 | else if (radio_box) |
| 857 | { |
| 858 | Widget radio_butt; |
| 859 | ac = 0; |
| 860 | XtSetArg(al[ac], XmNmarginWidth, 0); ac++; |
| 861 | XtSetArg(al[ac], XmNmarginHeight, 0); ac++; |
| 862 | XtSetArg(al[ac], XmNspacing, 13); ac++; |
| 863 | XtSetArg(al[ac], XmNalignment, XmALIGNMENT_CENTER); ac++; |
| 864 | XtSetArg(al[ac], XmNorientation, XmHORIZONTAL); ac++; |
| 865 | XtSetArg(al[ac], XmNbottomAttachment, XmATTACH_WIDGET); ac++; |
| 866 | XtSetArg(al[ac], XmNbottomOffset, 13); ac++; |
| 867 | XtSetArg(al[ac], XmNbottomWidget, separator); ac++; |
| 868 | XtSetArg(al[ac], XmNleftAttachment, XmATTACH_WIDGET); ac++; |
| 869 | XtSetArg(al[ac], XmNleftOffset, 13); ac++; |
| 870 | XtSetArg(al[ac], XmNleftWidget, icon); ac++; |
| 871 | XtSetArg(al[ac], XmNrightAttachment, XmATTACH_FORM); ac++; |
| 872 | XtSetArg(al[ac], XmNrightOffset, 13); ac++; |
| 873 | value = XmCreateRadioBox (form, "radiobutton1", al, ac); |
| 874 | ac = 0; |
| 875 | i = 0; |
| 876 | radio_butt = XmCreateToggleButtonGadget (value, "radio1", al, ac); |
| 877 | children [i++] = radio_butt; |
| 878 | radio_butt = XmCreateToggleButtonGadget (value, "radio2", al, ac); |
| 879 | children [i++] = radio_butt; |
| 880 | radio_butt = XmCreateToggleButtonGadget (value, "radio3", al, ac); |
| 881 | children [i++] = radio_butt; |
| 882 | XtManageChildren (children, i); |
| 883 | } |
| 884 | else if (list) |
| 885 | { |
| 886 | ac = 0; |
| 887 | XtSetArg(al[ac], XmNvisibleItemCount, 5); ac++; |
| 888 | XtSetArg(al[ac], XmNtopAttachment, XmATTACH_NONE); ac++; |
| 889 | XtSetArg(al[ac], XmNbottomAttachment, XmATTACH_WIDGET); ac++; |
| 890 | XtSetArg(al[ac], XmNbottomOffset, 13); ac++; |
| 891 | XtSetArg(al[ac], XmNbottomWidget, separator); ac++; |
| 892 | XtSetArg(al[ac], XmNleftAttachment, XmATTACH_WIDGET); ac++; |
| 893 | XtSetArg(al[ac], XmNleftOffset, 13); ac++; |
| 894 | XtSetArg(al[ac], XmNleftWidget, icon); ac++; |
| 895 | XtSetArg(al[ac], XmNrightAttachment, XmATTACH_FORM); ac++; |
| 896 | XtSetArg(al[ac], XmNrightOffset, 13); ac++; |
| 897 | value = XmCreateScrolledList (form, "list", al, ac); |
| 898 | |
| 899 | /* this is the easiest way I found to have the dble click in the |
| 900 | list activate the default button */ |
| 901 | XtAddCallback (value, XmNdefaultActionCallback, activate_button, button); |
| 902 | } |
| 903 | |
| 904 | ac = 0; |
| 905 | XtSetArg(al[ac], XmNalignment, XmALIGNMENT_BEGINNING); ac++; |
| 906 | XtSetArg(al[ac], XmNtopAttachment, XmATTACH_FORM); ac++; |
| 907 | XtSetArg(al[ac], XmNtopOffset, 13); ac++; |
| 908 | XtSetArg(al[ac], XmNbottomAttachment, XmATTACH_WIDGET); ac++; |
| 909 | XtSetArg(al[ac], XmNbottomOffset, 13); ac++; |
| 910 | XtSetArg(al[ac], XmNbottomWidget, |
| 911 | text_input_slot || radio_box || list ? value : separator); ac++; |
| 912 | XtSetArg(al[ac], XmNleftAttachment, XmATTACH_WIDGET); ac++; |
| 913 | XtSetArg(al[ac], XmNleftOffset, 13); ac++; |
| 914 | XtSetArg(al[ac], XmNleftWidget, icon); ac++; |
| 915 | XtSetArg(al[ac], XmNrightAttachment, XmATTACH_FORM); ac++; |
| 916 | XtSetArg(al[ac], XmNrightOffset, 13); ac++; |
| 917 | message = XmCreateLabel (form, "message", al, ac); |
| 918 | |
| 919 | if (list) |
| 920 | XtManageChild (value); |
| 921 | |
| 922 | i = 0; |
| 923 | children [i] = row; i++; |
| 924 | children [i] = separator; i++; |
| 925 | if (text_input_slot || radio_box) |
| 926 | { |
| 927 | children [i] = value; i++; |
| 928 | } |
| 929 | children [i] = message; i++; |
| 930 | children [i] = icon; i++; |
| 931 | children [i] = icon_separator; i++; |
| 932 | XtManageChildren (children, i); |
| 933 | |
| 934 | if (text_input_slot || list) |
| 935 | { |
| 936 | XtInstallAccelerators (value, button); |
| 937 | XtSetKeyboardFocus (result, value); |
| 938 | } |
| 939 | else |
| 940 | { |
| 941 | XtInstallAccelerators (form, button); |
| 942 | XtSetKeyboardFocus (result, button); |
| 943 | } |
| 944 | |
| 945 | return result; |
| 946 | } |
| 947 | |
| 948 | static destroyed_instance* |
| 949 | find_matching_instance (widget_instance* instance) |
| 950 | { |
| 951 | destroyed_instance* cur; |
| 952 | destroyed_instance* prev; |
| 953 | char* type = instance->info->type; |
| 954 | char* name = instance->info->name; |
| 955 | |
| 956 | for (prev = NULL, cur = all_destroyed_instances; |
| 957 | cur; |
| 958 | prev = cur, cur = cur->next) |
| 959 | { |
| 960 | if (!strcmp (cur->name, name) |
| 961 | && !strcmp (cur->type, type) |
| 962 | && cur->parent == instance->parent |
| 963 | && cur->pop_up_p == instance->pop_up_p) |
| 964 | { |
| 965 | if (prev) |
| 966 | prev->next = cur->next; |
| 967 | else |
| 968 | all_destroyed_instances = cur->next; |
| 969 | return cur; |
| 970 | } |
| 971 | /* do some cleanup */ |
| 972 | else if (!cur->widget) |
| 973 | { |
| 974 | if (prev) |
| 975 | prev->next = cur->next; |
| 976 | else |
| 977 | all_destroyed_instances = cur->next; |
| 978 | free_destroyed_instance (cur); |
| 979 | cur = prev ? prev : all_destroyed_instances; |
| 980 | } |
| 981 | } |
| 982 | return NULL; |
| 983 | } |
| 984 | |
| 985 | static void |
| 986 | mark_dead_instance_destroyed (Widget widget, XtPointer closure, |
| 987 | XtPointer call_data) |
| 988 | { |
| 989 | destroyed_instance* instance = (destroyed_instance*)closure; |
| 990 | instance->widget = NULL; |
| 991 | } |
| 992 | |
| 993 | static void |
| 994 | recenter_widget (Widget widget) |
| 995 | { |
| 996 | Widget parent = XtParent (widget); |
| 997 | Screen* screen = XtScreen (widget); |
| 998 | Dimension screen_width = WidthOfScreen (screen); |
| 999 | Dimension screen_height = HeightOfScreen (screen); |
| 1000 | Dimension parent_width = 0; |
| 1001 | Dimension parent_height = 0; |
| 1002 | Dimension child_width = 0; |
| 1003 | Dimension child_height = 0; |
| 1004 | Position x; |
| 1005 | Position y; |
| 1006 | |
| 1007 | XtVaGetValues (widget, XtNwidth, &child_width, XtNheight, &child_height, 0); |
| 1008 | XtVaGetValues (parent, XtNwidth, &parent_width, XtNheight, &parent_height, |
| 1009 | 0); |
| 1010 | |
| 1011 | x = (((Position)parent_width) - ((Position)child_width)) / 2; |
| 1012 | y = (((Position)parent_height) - ((Position)child_height)) / 2; |
| 1013 | |
| 1014 | XtTranslateCoords (parent, x, y, &x, &y); |
| 1015 | |
| 1016 | if (x + child_width > screen_width) |
| 1017 | x = screen_width - child_width; |
| 1018 | if (x < 0) |
| 1019 | x = 0; |
| 1020 | |
| 1021 | if (y + child_height > screen_height) |
| 1022 | y = screen_height - child_height; |
| 1023 | if (y < 0) |
| 1024 | y = 0; |
| 1025 | |
| 1026 | XtVaSetValues (widget, XtNx, x, XtNy, y, 0); |
| 1027 | } |
| 1028 | |
| 1029 | static Widget |
| 1030 | recycle_instance (destroyed_instance* instance) |
| 1031 | { |
| 1032 | Widget widget = instance->widget; |
| 1033 | |
| 1034 | /* widget is NULL if the parent was destroyed. */ |
| 1035 | if (widget) |
| 1036 | { |
| 1037 | Widget focus; |
| 1038 | Widget separator; |
| 1039 | |
| 1040 | /* Remove the destroy callback as the instance is not in the list |
| 1041 | anymore */ |
| 1042 | XtRemoveCallback (instance->parent, XtNdestroyCallback, |
| 1043 | mark_dead_instance_destroyed, |
| 1044 | (XtPointer)instance); |
| 1045 | |
| 1046 | /* Give the focus to the initial item */ |
| 1047 | focus = XtNameToWidget (widget, "*value"); |
| 1048 | if (!focus) |
| 1049 | focus = XtNameToWidget (widget, "*button1"); |
| 1050 | if (focus) |
| 1051 | XtSetKeyboardFocus (widget, focus); |
| 1052 | |
| 1053 | /* shrink the separator label back to their original size */ |
| 1054 | separator = XtNameToWidget (widget, "*separator_button"); |
| 1055 | if (separator) |
| 1056 | XtVaSetValues (separator, XtNwidth, 5, XtNheight, 5, 0); |
| 1057 | |
| 1058 | /* Center the dialog in its parent */ |
| 1059 | recenter_widget (widget); |
| 1060 | } |
| 1061 | free_destroyed_instance (instance); |
| 1062 | return widget; |
| 1063 | } |
| 1064 | |
| 1065 | Widget |
| 1066 | xm_create_dialog (widget_instance* instance) |
| 1067 | { |
| 1068 | char* name = instance->info->type; |
| 1069 | Widget parent = instance->parent; |
| 1070 | Widget widget; |
| 1071 | Boolean pop_up_p = instance->pop_up_p; |
| 1072 | char* shell_name = 0; |
| 1073 | char* icon_name; |
| 1074 | Boolean text_input_slot = False; |
| 1075 | Boolean radio_box = False; |
| 1076 | Boolean list = False; |
| 1077 | int total_buttons; |
| 1078 | int left_buttons = 0; |
| 1079 | int right_buttons = 1; |
| 1080 | destroyed_instance* dead_one; |
| 1081 | |
| 1082 | /* try to find a widget to recycle */ |
| 1083 | dead_one = find_matching_instance (instance); |
| 1084 | if (dead_one) |
| 1085 | { |
| 1086 | Widget recycled_widget = recycle_instance (dead_one); |
| 1087 | if (recycled_widget) |
| 1088 | return recycled_widget; |
| 1089 | } |
| 1090 | |
| 1091 | switch (name [0]){ |
| 1092 | case 'E': case 'e': |
| 1093 | icon_name = "dbox-error"; |
| 1094 | shell_name = "Error"; |
| 1095 | break; |
| 1096 | |
| 1097 | case 'I': case 'i': |
| 1098 | icon_name = "dbox-info"; |
| 1099 | shell_name = "Information"; |
| 1100 | break; |
| 1101 | |
| 1102 | case 'L': case 'l': |
| 1103 | list = True; |
| 1104 | icon_name = "dbox-question"; |
| 1105 | shell_name = "Prompt"; |
| 1106 | break; |
| 1107 | |
| 1108 | case 'P': case 'p': |
| 1109 | text_input_slot = True; |
| 1110 | icon_name = "dbox-question"; |
| 1111 | shell_name = "Prompt"; |
| 1112 | break; |
| 1113 | |
| 1114 | case 'Q': case 'q': |
| 1115 | icon_name = "dbox-question"; |
| 1116 | shell_name = "Question"; |
| 1117 | break; |
| 1118 | } |
| 1119 | |
| 1120 | total_buttons = name [1] - '0'; |
| 1121 | |
| 1122 | if (name [3] == 'T' || name [3] == 't') |
| 1123 | { |
| 1124 | text_input_slot = False; |
| 1125 | radio_box = True; |
| 1126 | } |
| 1127 | else if (name [3]) |
| 1128 | right_buttons = name [4] - '0'; |
| 1129 | |
| 1130 | left_buttons = total_buttons - right_buttons; |
| 1131 | |
| 1132 | widget = make_dialog (name, parent, pop_up_p, |
| 1133 | shell_name, icon_name, text_input_slot, radio_box, |
| 1134 | list, left_buttons, right_buttons); |
| 1135 | |
| 1136 | XtAddCallback (widget, XmNpopdownCallback, xm_nosel_callback, |
| 1137 | (XtPointer) instance); |
| 1138 | return widget; |
| 1139 | } |
| 1140 | |
| 1141 | static Widget |
| 1142 | make_menubar (widget_instance* instance) |
| 1143 | { |
| 1144 | return XmCreateMenuBar (instance->parent, instance->info->name, NULL, 0); |
| 1145 | } |
| 1146 | |
| 1147 | static void |
| 1148 | remove_grabs (Widget shell, XtPointer closure, XtPointer call_data) |
| 1149 | { |
| 1150 | Widget menu = (Widget) closure; |
| 1151 | XmRemoveFromPostFromList (menu, XtParent (XtParent (menu))); |
| 1152 | } |
| 1153 | |
| 1154 | static Widget |
| 1155 | make_popup_menu (widget_instance* instance) |
| 1156 | { |
| 1157 | Widget parent = instance->parent; |
| 1158 | Window parent_window = parent->core.window; |
| 1159 | Widget result; |
| 1160 | |
| 1161 | /* sets the parent window to 0 to fool Motif into not generating a grab */ |
| 1162 | parent->core.window = 0; |
| 1163 | result = XmCreatePopupMenu (parent, instance->info->name, NULL, 0); |
| 1164 | XtAddCallback (XtParent (result), XmNpopdownCallback, remove_grabs, |
| 1165 | (XtPointer)result); |
| 1166 | parent->core.window = parent_window; |
| 1167 | return result; |
| 1168 | } |
| 1169 | static Widget |
| 1170 | make_main (widget_instance* instance) |
| 1171 | { |
| 1172 | Widget parent = instance->parent; |
| 1173 | Widget result; |
| 1174 | Arg al[2]; |
| 1175 | int ac; |
| 1176 | |
| 1177 | ac = 0; |
| 1178 | XtSetArg (al[ac], XtNborderWidth, 0); ac++; |
| 1179 | XtSetArg (al[ac], XmNspacing, 0); ac++; |
| 1180 | result = XmCreateMainWindow (parent, instance->info->name, al, ac); |
| 1181 | return result; |
| 1182 | } |
| 1183 | |
| 1184 | \f/* Table of functions to create widgets */ |
| 1185 | |
| 1186 | #ifdef ENERGIZE |
| 1187 | |
| 1188 | /* interface with the XDesigner generated functions */ |
| 1189 | typedef Widget (*widget_maker) (Widget); |
| 1190 | extern Widget create_project_p_sheet (Widget parent); |
| 1191 | extern Widget create_debugger_p_sheet (Widget parent); |
| 1192 | extern Widget create_breaklist_p_sheet (Widget parent); |
| 1193 | extern Widget create_le_browser_p_sheet (Widget parent); |
| 1194 | extern Widget create_class_browser_p_sheet (Widget parent); |
| 1195 | extern Widget create_call_browser_p_sheet (Widget parent); |
| 1196 | extern Widget create_build_dialog (Widget parent); |
| 1197 | extern Widget create_editmode_dialog (Widget parent); |
| 1198 | extern Widget create_search_dialog (Widget parent); |
| 1199 | extern Widget create_project_display_dialog (Widget parent); |
| 1200 | |
| 1201 | static Widget |
| 1202 | make_one (widget_instance* instance, widget_maker fn) |
| 1203 | { |
| 1204 | Widget result; |
| 1205 | Arg al [64]; |
| 1206 | int ac = 0; |
| 1207 | |
| 1208 | if (instance->pop_up_p) |
| 1209 | { |
| 1210 | XtSetArg (al [ac], XmNallowShellResize, TRUE); ac++; |
| 1211 | result = XmCreateDialogShell (instance->parent, "dialog", NULL, 0); |
| 1212 | XtAddCallback (result, XmNpopdownCallback, &xm_nosel_callback, |
| 1213 | (XtPointer) instance); |
| 1214 | (*fn) (result); |
| 1215 | } |
| 1216 | else |
| 1217 | { |
| 1218 | result = (*fn) (instance->parent); |
| 1219 | XtRealizeWidget (result); |
| 1220 | } |
| 1221 | return result; |
| 1222 | } |
| 1223 | |
| 1224 | static Widget |
| 1225 | make_project_p_sheet (widget_instance* instance) |
| 1226 | { |
| 1227 | return make_one (instance, create_project_p_sheet); |
| 1228 | } |
| 1229 | |
| 1230 | static Widget |
| 1231 | make_debugger_p_sheet (widget_instance* instance) |
| 1232 | { |
| 1233 | return make_one (instance, create_debugger_p_sheet); |
| 1234 | } |
| 1235 | |
| 1236 | static Widget |
| 1237 | make_breaklist_p_sheet (widget_instance* instance) |
| 1238 | { |
| 1239 | return make_one (instance, create_breaklist_p_sheet); |
| 1240 | } |
| 1241 | |
| 1242 | static Widget |
| 1243 | make_le_browser_p_sheet (widget_instance* instance) |
| 1244 | { |
| 1245 | return make_one (instance, create_le_browser_p_sheet); |
| 1246 | } |
| 1247 | |
| 1248 | static Widget |
| 1249 | make_class_browser_p_sheet (widget_instance* instance) |
| 1250 | { |
| 1251 | return make_one (instance, create_class_browser_p_sheet); |
| 1252 | } |
| 1253 | |
| 1254 | static Widget |
| 1255 | make_call_browser_p_sheet (widget_instance* instance) |
| 1256 | { |
| 1257 | return make_one (instance, create_call_browser_p_sheet); |
| 1258 | } |
| 1259 | |
| 1260 | static Widget |
| 1261 | make_build_dialog (widget_instance* instance) |
| 1262 | { |
| 1263 | return make_one (instance, create_build_dialog); |
| 1264 | } |
| 1265 | |
| 1266 | static Widget |
| 1267 | make_editmode_dialog (widget_instance* instance) |
| 1268 | { |
| 1269 | return make_one (instance, create_editmode_dialog); |
| 1270 | } |
| 1271 | |
| 1272 | static Widget |
| 1273 | make_search_dialog (widget_instance* instance) |
| 1274 | { |
| 1275 | return make_one (instance, create_search_dialog); |
| 1276 | } |
| 1277 | |
| 1278 | static Widget |
| 1279 | make_project_display_dialog (widget_instance* instance) |
| 1280 | { |
| 1281 | return make_one (instance, create_project_display_dialog); |
| 1282 | } |
| 1283 | |
| 1284 | #endif /* ENERGIZE */ |
| 1285 | |
| 1286 | widget_creation_entry |
| 1287 | xm_creation_table [] = |
| 1288 | { |
| 1289 | {"menubar", make_menubar}, |
| 1290 | {"popup", make_popup_menu}, |
| 1291 | {"main", make_main}, |
| 1292 | #ifdef ENERGIZE |
| 1293 | {"project_p_sheet", make_project_p_sheet}, |
| 1294 | {"debugger_p_sheet", make_debugger_p_sheet}, |
| 1295 | {"breaklist_psheet", make_breaklist_p_sheet}, |
| 1296 | {"leb_psheet", make_le_browser_p_sheet}, |
| 1297 | {"class_browser_psheet", make_class_browser_p_sheet}, |
| 1298 | {"ctree_browser_psheet", make_call_browser_p_sheet}, |
| 1299 | {"build", make_build_dialog}, |
| 1300 | {"editmode", make_editmode_dialog}, |
| 1301 | {"search", make_search_dialog}, |
| 1302 | {"project_display", make_project_display_dialog}, |
| 1303 | #endif /* ENERGIZE */ |
| 1304 | {NULL, NULL} |
| 1305 | }; |
| 1306 | |
| 1307 | \f/* Destruction of instances */ |
| 1308 | void |
| 1309 | xm_destroy_instance (widget_instance* instance) |
| 1310 | { |
| 1311 | Widget widget = instance->widget; |
| 1312 | /* recycle the dialog boxes */ |
| 1313 | /* Disable the recycling until we can find a way to have the dialog box |
| 1314 | get reasonable layout after we modify its contents. */ |
| 1315 | if (0 |
| 1316 | && XtClass (widget) == xmDialogShellWidgetClass) |
| 1317 | { |
| 1318 | destroyed_instance* dead_instance = |
| 1319 | make_destroyed_instance (instance->info->name, |
| 1320 | instance->info->type, |
| 1321 | instance->widget, |
| 1322 | instance->parent, |
| 1323 | instance->pop_up_p); |
| 1324 | dead_instance->next = all_destroyed_instances; |
| 1325 | all_destroyed_instances = dead_instance; |
| 1326 | XtUnmanageChild (first_child (instance->widget)); |
| 1327 | XFlush (XtDisplay (instance->widget)); |
| 1328 | XtAddCallback (instance->parent, XtNdestroyCallback, |
| 1329 | mark_dead_instance_destroyed, (XtPointer)dead_instance); |
| 1330 | } |
| 1331 | else |
| 1332 | { |
| 1333 | /* This might not be necessary now that the nosel is attached to |
| 1334 | popdown instead of destroy, but it can't hurt. */ |
| 1335 | XtRemoveCallback (instance->widget, XtNdestroyCallback, |
| 1336 | xm_nosel_callback, (XtPointer)instance); |
| 1337 | XtDestroyWidget (instance->widget); |
| 1338 | } |
| 1339 | } |
| 1340 | |
| 1341 | \f/* popup utility */ |
| 1342 | void |
| 1343 | xm_popup_menu (Widget widget) |
| 1344 | { |
| 1345 | XButtonPressedEvent dummy; |
| 1346 | XEvent* event; |
| 1347 | |
| 1348 | dummy.type = ButtonPress; |
| 1349 | dummy.serial = 0; |
| 1350 | dummy.send_event = 0; |
| 1351 | dummy.display = XtDisplay (widget); |
| 1352 | dummy.window = XtWindow (XtParent (widget)); |
| 1353 | dummy.time = 0; |
| 1354 | dummy.button = 0; |
| 1355 | XQueryPointer (dummy.display, dummy.window, &dummy.root, |
| 1356 | &dummy.subwindow, &dummy.x_root, &dummy.y_root, |
| 1357 | &dummy.x, &dummy.y, &dummy.state); |
| 1358 | event = (XEvent *) &dummy; |
| 1359 | |
| 1360 | if (event->type == ButtonPress || event->type == ButtonRelease) |
| 1361 | { |
| 1362 | /* This is so totally ridiculous: there's NO WAY to tell Motif |
| 1363 | that *any* button can select a menu item. Only one button |
| 1364 | can have that honor. |
| 1365 | */ |
| 1366 | char *trans = 0; |
| 1367 | if (event->xbutton.state & Button5Mask) trans = "<Btn5Down>"; |
| 1368 | else if (event->xbutton.state & Button4Mask) trans = "<Btn4Down>"; |
| 1369 | else if (event->xbutton.state & Button3Mask) trans = "<Btn3Down>"; |
| 1370 | else if (event->xbutton.state & Button2Mask) trans = "<Btn2Down>"; |
| 1371 | else if (event->xbutton.state & Button1Mask) trans = "<Btn1Down>"; |
| 1372 | if (trans) XtVaSetValues (widget, XmNmenuPost, trans, 0); |
| 1373 | XmMenuPosition (widget, (XButtonPressedEvent *) event); |
| 1374 | } |
| 1375 | XtManageChild (widget); |
| 1376 | } |
| 1377 | |
| 1378 | static void |
| 1379 | set_min_dialog_size (Widget w) |
| 1380 | { |
| 1381 | short width; |
| 1382 | short height; |
| 1383 | XtVaGetValues (w, XmNwidth, &width, XmNheight, &height, 0); |
| 1384 | XtVaSetValues (w, XmNminWidth, width, XmNminHeight, height, 0); |
| 1385 | } |
| 1386 | |
| 1387 | void |
| 1388 | xm_pop_instance (widget_instance* instance, Boolean up) |
| 1389 | { |
| 1390 | Widget widget = instance->widget; |
| 1391 | |
| 1392 | if (XtClass (widget) == xmDialogShellWidgetClass) |
| 1393 | { |
| 1394 | Widget widget_to_manage = first_child (widget); |
| 1395 | if (up) |
| 1396 | { |
| 1397 | XtManageChild (widget_to_manage); |
| 1398 | set_min_dialog_size (widget); |
| 1399 | XtSetKeyboardFocus (instance->parent, widget); |
| 1400 | } |
| 1401 | else |
| 1402 | XtUnmanageChild (widget_to_manage); |
| 1403 | } |
| 1404 | else |
| 1405 | { |
| 1406 | if (up) |
| 1407 | XtManageChild (widget); |
| 1408 | else |
| 1409 | XtUnmanageChild (widget); |
| 1410 | } |
| 1411 | } |
| 1412 | |
| 1413 | \f |
| 1414 | /* motif callback */ |
| 1415 | |
| 1416 | enum do_call_type { pre_activate, selection, no_selection, post_activate }; |
| 1417 | |
| 1418 | static void |
| 1419 | do_call (Widget widget, XtPointer closure, enum do_call_type type) |
| 1420 | { |
| 1421 | Arg al [256]; |
| 1422 | int ac; |
| 1423 | XtPointer user_data; |
| 1424 | widget_instance* instance = (widget_instance*)closure; |
| 1425 | Widget instance_widget; |
| 1426 | LWLIB_ID id; |
| 1427 | |
| 1428 | if (!instance) |
| 1429 | return; |
| 1430 | if (widget->core.being_destroyed) |
| 1431 | return; |
| 1432 | |
| 1433 | instance_widget = instance->widget; |
| 1434 | if (!instance_widget) |
| 1435 | return; |
| 1436 | |
| 1437 | id = instance->info->id; |
| 1438 | ac = 0; |
| 1439 | user_data = NULL; |
| 1440 | XtSetArg (al [ac], XmNuserData, &user_data); ac++; |
| 1441 | XtGetValues (widget, al, ac); |
| 1442 | switch (type) |
| 1443 | { |
| 1444 | case pre_activate: |
| 1445 | if (instance->info->pre_activate_cb) |
| 1446 | instance->info->pre_activate_cb (widget, id, user_data); |
| 1447 | break; |
| 1448 | case selection: |
| 1449 | if (instance->info->selection_cb) |
| 1450 | instance->info->selection_cb (widget, id, user_data); |
| 1451 | break; |
| 1452 | case no_selection: |
| 1453 | if (instance->info->selection_cb) |
| 1454 | instance->info->selection_cb (widget, id, (XtPointer) -1); |
| 1455 | break; |
| 1456 | case post_activate: |
| 1457 | if (instance->info->post_activate_cb) |
| 1458 | instance->info->post_activate_cb (widget, id, user_data); |
| 1459 | break; |
| 1460 | default: |
| 1461 | abort (); |
| 1462 | } |
| 1463 | } |
| 1464 | |
| 1465 | /* Like lw_internal_update_other_instances except that it does not do |
| 1466 | anything if its shell parent is not managed. This is to protect |
| 1467 | lw_internal_update_other_instances to dereference freed memory |
| 1468 | if the widget was ``destroyed'' by caching it in the all_destroyed_instances |
| 1469 | list */ |
| 1470 | static void |
| 1471 | xm_internal_update_other_instances (Widget widget, XtPointer closure, |
| 1472 | XtPointer call_data) |
| 1473 | { |
| 1474 | Widget parent; |
| 1475 | for (parent = widget; parent; parent = XtParent (parent)) |
| 1476 | if (XtIsShell (parent)) |
| 1477 | break; |
| 1478 | else if (!XtIsManaged (parent)) |
| 1479 | return; |
| 1480 | lw_internal_update_other_instances (widget, closure, call_data); |
| 1481 | } |
| 1482 | |
| 1483 | static void |
| 1484 | xm_generic_callback (Widget widget, XtPointer closure, XtPointer call_data) |
| 1485 | { |
| 1486 | lw_internal_update_other_instances (widget, closure, call_data); |
| 1487 | do_call (widget, closure, selection); |
| 1488 | } |
| 1489 | |
| 1490 | static void |
| 1491 | xm_nosel_callback (Widget widget, XtPointer closure, XtPointer call_data) |
| 1492 | { |
| 1493 | /* This callback is only called when a dialog box is dismissed with the wm's |
| 1494 | destroy button (WM_DELETE_WINDOW.) We want the dialog box to be destroyed |
| 1495 | in that case, not just unmapped, so that it releases its keyboard grabs. |
| 1496 | But there are problems with running our callbacks while the widget is in |
| 1497 | the process of being destroyed, so we set XmNdeleteResponse to XmUNMAP |
| 1498 | instead of XmDESTROY and then destroy it ourself after having run the |
| 1499 | callback. |
| 1500 | */ |
| 1501 | do_call (widget, closure, no_selection); |
| 1502 | XtDestroyWidget (widget); |
| 1503 | } |
| 1504 | |
| 1505 | static void |
| 1506 | xm_pull_down_callback (Widget widget, XtPointer closure, XtPointer call_data) |
| 1507 | { |
| 1508 | do_call (widget, closure, pre_activate); |
| 1509 | } |
| 1510 | |
| 1511 | static void |
| 1512 | xm_pop_down_callback (Widget widget, XtPointer closure, XtPointer call_data) |
| 1513 | { |
| 1514 | widget_instance *instance = (widget_instance *) closure; |
| 1515 | |
| 1516 | if (!instance->pop_up_p || (XtParent (widget) == instance->parent)) |
| 1517 | do_call (widget, closure, post_activate); |
| 1518 | } |
| 1519 | |
| 1520 | \f |
| 1521 | /* set the keyboard focus */ |
| 1522 | void |
| 1523 | xm_set_keyboard_focus (Widget parent, Widget w) |
| 1524 | { |
| 1525 | XmProcessTraversal (w, 0); |
| 1526 | XtSetKeyboardFocus (parent, w); |
| 1527 | } |
| 1528 | |
| 1529 | /* Motif hack to set the main window areas. */ |
| 1530 | void |
| 1531 | xm_set_main_areas (parent, menubar, work_area) |
| 1532 | Widget parent; |
| 1533 | Widget menubar; |
| 1534 | Widget work_area; |
| 1535 | { |
| 1536 | XmMainWindowSetAreas (parent, |
| 1537 | menubar, /* menubar (maybe 0) */ |
| 1538 | 0, /* command area (psheets) */ |
| 1539 | 0, /* horizontal scroll */ |
| 1540 | 0, /* vertical scroll */ |
| 1541 | work_area); /* work area */ |
| 1542 | } |
| 1543 | |
| 1544 | /* Motif hack to control resizing on the menubar. */ |
| 1545 | void |
| 1546 | xm_manage_resizing (w, flag) |
| 1547 | Widget w; |
| 1548 | Boolean flag; |
| 1549 | { |
| 1550 | if (flag) |
| 1551 | { |
| 1552 | /* Enable the edit widget for resizing. */ |
| 1553 | Arg al[1]; |
| 1554 | |
| 1555 | XtSetArg (al[0], XtNallowShellResize, 0); |
| 1556 | XtSetValues (w, al, 1); |
| 1557 | } |
| 1558 | else |
| 1559 | { |
| 1560 | /* Disable the edit widget from resizing. */ |
| 1561 | Arg al[1]; |
| 1562 | |
| 1563 | XtSetArg (al[0], XtNallowShellResize, 0); |
| 1564 | XtSetValues (w, al, 1); |
| 1565 | } |
| 1566 | } |