1 /************************************************************
2 * Copyright (c) 1994 by Silicon Graphics Computer Systems, Inc.
4 * Permission to use, copy, modify, and distribute this
5 * software and its documentation for any purpose and without
6 * fee is hereby granted, provided that the above copyright
7 * notice appear in all copies and that both that copyright
8 * notice and this permission notice appear in supporting
9 * documentation, and that the name of Silicon Graphics not be
10 * used in advertising or publicity pertaining to distribution
11 * of the software without specific prior written permission.
12 * Silicon Graphics makes no representation about the suitability
13 * of this software for any purpose. It is provided "as is"
14 * without any express or implied warranty.
16 * SILICON GRAPHICS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
17 * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
18 * AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
19 * GRAPHICS BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
20 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
21 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
22 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH
23 * THE USE OR PERFORMANCE OF THIS SOFTWARE.
25 ********************************************************/
29 static bool actionsInitialized;
30 static ExprDef constTrue;
31 static ExprDef constFalse;
33 /***====================================================================***/
35 static const LookupEntry actionStrings[] = {
36 { "noaction", XkbSA_NoAction },
37 { "setmods", XkbSA_SetMods },
38 { "latchmods", XkbSA_LatchMods },
39 { "lockmods", XkbSA_LockMods },
40 { "setgroup", XkbSA_SetGroup },
41 { "latchgroup", XkbSA_LatchGroup },
42 { "lockgroup", XkbSA_LockGroup },
43 { "moveptr", XkbSA_MovePtr },
44 { "movepointer", XkbSA_MovePtr },
45 { "ptrbtn", XkbSA_PtrBtn },
46 { "pointerbutton", XkbSA_PtrBtn },
47 { "lockptrbtn", XkbSA_LockPtrBtn },
48 { "lockpointerbutton", XkbSA_LockPtrBtn },
49 { "lockptrbutton", XkbSA_LockPtrBtn },
50 { "lockpointerbtn", XkbSA_LockPtrBtn },
51 { "setptrdflt", XkbSA_SetPtrDflt },
52 { "setpointerdefault", XkbSA_SetPtrDflt },
53 { "isolock", XkbSA_ISOLock },
54 { "terminate", XkbSA_Terminate },
55 { "terminateserver", XkbSA_Terminate },
56 { "switchscreen", XkbSA_SwitchScreen },
57 { "setcontrols", XkbSA_SetControls },
58 { "lockcontrols", XkbSA_LockControls },
59 { "actionmessage", XkbSA_ActionMessage },
60 { "messageaction", XkbSA_ActionMessage },
61 { "message", XkbSA_ActionMessage },
62 { "redirect", XkbSA_RedirectKey },
63 { "redirectkey", XkbSA_RedirectKey },
64 { "devbtn", XkbSA_DeviceBtn },
65 { "devicebtn", XkbSA_DeviceBtn },
66 { "devbutton", XkbSA_DeviceBtn },
67 { "devicebutton", XkbSA_DeviceBtn },
68 { "lockdevbtn", XkbSA_DeviceBtn },
69 { "lockdevicebtn", XkbSA_LockDeviceBtn },
70 { "lockdevbutton", XkbSA_LockDeviceBtn },
71 { "lockdevicebutton", XkbSA_LockDeviceBtn },
72 { "devval", XkbSA_DeviceValuator },
73 { "deviceval", XkbSA_DeviceValuator },
74 { "devvaluator", XkbSA_DeviceValuator },
75 { "devicevaluator", XkbSA_DeviceValuator },
76 { "private", PrivateAction },
80 static const LookupEntry fieldStrings[] = {
81 { "clearLocks", F_ClearLocks },
82 { "latchToLock", F_LatchToLock },
83 { "genKeyEvent", F_GenKeyEvent },
84 { "generateKeyEvent", F_GenKeyEvent },
85 { "report", F_Report },
86 { "default", F_Default },
87 { "affect", F_Affect },
88 { "increment", F_Increment },
89 { "modifiers", F_Modifiers },
90 { "mods", F_Modifiers },
95 { "accelerate", F_Accel },
96 { "repeat", F_Accel },
97 { "button", F_Button },
99 { "controls", F_Controls },
100 { "ctrls", F_Controls },
102 { "count", F_Count },
103 { "screen", F_Screen },
105 { "sameServer", F_Same },
107 { "device", F_Device },
109 { "key", F_Keycode },
110 { "keycode", F_Keycode },
112 { "clearmods", F_ModsToClear },
113 { "clearmodifiers", F_ModsToClear },
118 stringToValue(const LookupEntry tab[], const char *string,
119 unsigned *value_rtrn)
121 const LookupEntry *entry;
126 for (entry = tab; entry->name != NULL; entry++) {
127 if (istreq(entry->name, string)) {
128 *value_rtrn = entry->result;
137 valueToString(const LookupEntry tab[], unsigned value)
139 const LookupEntry *entry;
141 for (entry = tab; entry->name != NULL; entry++)
142 if (entry->result == value)
149 stringToAction(const char *str, unsigned *type_rtrn)
151 return stringToValue(actionStrings, str, type_rtrn);
155 stringToField(const char *str, unsigned *field_rtrn)
157 return stringToValue(fieldStrings, str, field_rtrn);
161 fieldText(unsigned field)
163 return valueToString(fieldStrings, field);
166 /***====================================================================***/
169 ReportMismatch(struct xkb_keymap *keymap, unsigned action, unsigned field,
173 "Value of %s field must be of type %s; "
174 "Action %s definition ignored\n",
175 fieldText(field), type, ActionTypeText(action));
180 ReportIllegal(struct xkb_keymap *keymap, unsigned action, unsigned field)
183 "Field %s is not defined for an action of type %s; "
184 "Action definition ignored\n",
185 fieldText(field), ActionTypeText(action));
190 ReportActionNotArray(struct xkb_keymap *keymap, unsigned action,
194 "The %s field in the %s action is not an array; "
195 "Action definition ignored\n",
196 fieldText(field), ActionTypeText(action));
201 ReportNotFound(struct xkb_keymap *keymap, unsigned action, unsigned field,
202 const char *what, const char *bad)
205 "%s named %s not found; "
206 "Ignoring the %s field of an %s action\n",
207 what, bad, fieldText(field), ActionTypeText(action));
212 HandleNoAction(struct xkb_keymap *keymap, struct xkb_any_action *action,
213 unsigned field, ExprDef *array_ndx, ExprDef *value)
216 return ReportIllegal(keymap, action->type, field);
220 CheckLatchLockFlags(struct xkb_keymap *keymap, unsigned action,
221 unsigned field, ExprDef * value, unsigned *flags_inout)
226 if (field == F_ClearLocks)
227 tmp = XkbSA_ClearLocks;
228 else if (field == F_LatchToLock)
229 tmp = XkbSA_LatchToLock;
231 return false; /* WSGO! */
233 if (!ExprResolveBoolean(keymap->ctx, value, &result))
234 return ReportMismatch(keymap, action, field, "boolean");
239 *flags_inout &= ~tmp;
245 CheckModifierField(struct xkb_keymap *keymap, unsigned action, ExprDef *value,
246 unsigned *flags_inout, xkb_mod_mask_t *mods_rtrn)
248 if (value->op == EXPR_IDENT) {
250 valStr = xkb_atom_text(keymap->ctx, value->value.str);
251 if (valStr && (istreq(valStr, "usemodmapmods") ||
252 istreq(valStr, "modmapmods"))) {
255 *flags_inout |= XkbSA_UseModMapMods;
260 if (!ExprResolveVModMask(keymap, value, mods_rtrn))
261 return ReportMismatch(keymap, action, F_Modifiers, "modifier mask");
263 *flags_inout &= ~XkbSA_UseModMapMods;
268 HandleSetLatchMods(struct xkb_keymap *keymap, struct xkb_any_action *action,
269 unsigned field, ExprDef *array_ndx, ExprDef *value)
271 struct xkb_mod_action *act;
276 act = (struct xkb_mod_action *) action;
277 if (array_ndx != NULL) {
282 return ReportActionNotArray(keymap, action->type, field);
289 if (CheckLatchLockFlags(keymap, action->type, field, value, &rtrn)) {
297 if (CheckModifierField(keymap, action->type, value, &t1, &t2)) {
299 act->real_mods = act->mask = (t2 & 0xff);
300 act->vmods = (t2 >> 8) & 0xffff;
305 return ReportIllegal(keymap, action->type, field);
309 HandleLockMods(struct xkb_keymap *keymap, struct xkb_any_action *action,
310 unsigned field, ExprDef *array_ndx, ExprDef *value)
312 struct xkb_mod_action *act;
316 act = (struct xkb_mod_action *) action;
317 if ((array_ndx != NULL) && (field == F_Modifiers))
318 return ReportActionNotArray(keymap, action->type, field);
322 if (CheckModifierField(keymap, action->type, value, &t1, &t2)) {
324 act->real_mods = act->mask = (t2 & 0xff);
325 act->vmods = (t2 >> 8) & 0xffff;
330 return ReportIllegal(keymap, action->type, field);
334 CheckGroupField(struct xkb_keymap *keymap, unsigned action,
335 ExprDef * value, unsigned *flags_inout,
336 xkb_group_index_t *grp_rtrn)
340 if (value->op == EXPR_NEGATE || value->op == EXPR_UNARY_PLUS) {
341 *flags_inout &= ~XkbSA_GroupAbsolute;
342 spec = value->value.child;
345 *flags_inout |= XkbSA_GroupAbsolute;
349 if (!ExprResolveGroup(keymap->ctx, spec, grp_rtrn))
350 return ReportMismatch(keymap, action, F_Group,
351 "integer (range 1..8)");
353 if (value->op == EXPR_NEGATE)
354 *grp_rtrn = -*grp_rtrn;
355 else if (value->op != EXPR_UNARY_PLUS)
362 HandleSetLatchGroup(struct xkb_keymap *keymap, struct xkb_any_action *action,
363 unsigned field, ExprDef *array_ndx, ExprDef *value)
365 struct xkb_group_action *act;
368 xkb_group_index_t t2;
370 act = (struct xkb_group_action *) action;
371 if (array_ndx != NULL) {
376 return ReportActionNotArray(keymap, action->type, field);
383 if (CheckLatchLockFlags(keymap, action->type, field, value, &rtrn)) {
391 if (CheckGroupField(keymap, action->type, value, &t1, &t2)) {
398 return ReportIllegal(keymap, action->type, field);
402 HandleLockGroup(struct xkb_keymap *keymap, struct xkb_any_action *action,
403 unsigned field, ExprDef *array_ndx, ExprDef *value)
405 struct xkb_group_action *act;
407 xkb_group_index_t t2;
409 act = (struct xkb_group_action *) action;
410 if ((array_ndx != NULL) && (field == F_Group))
411 return ReportActionNotArray(keymap, action->type, field);
412 if (field == F_Group) {
414 if (CheckGroupField(keymap, action->type, value, &t1, &t2)) {
421 return ReportIllegal(keymap, action->type, field);
425 HandleMovePtr(struct xkb_keymap *keymap, struct xkb_any_action *action,
426 unsigned field, ExprDef *array_ndx, ExprDef *value)
428 struct xkb_pointer_action *act;
431 act = (struct xkb_pointer_action *) action;
432 if ((array_ndx != NULL) && ((field == F_X) || (field == F_Y)))
433 return ReportActionNotArray(keymap, action->type, field);
435 if (field == F_X || field == F_Y) {
438 if (value->op == EXPR_NEGATE || value->op == EXPR_UNARY_PLUS)
443 if (!ExprResolveInteger(keymap->ctx, value, &val))
444 return ReportMismatch(keymap, action->type, field, "integer");
448 act->flags |= XkbSA_MoveAbsoluteX;
453 act->flags |= XkbSA_MoveAbsoluteY;
459 else if (field == F_Accel) {
462 if (!ExprResolveBoolean(keymap->ctx, value, &set))
463 return ReportMismatch(keymap, action->type, field, "boolean");
466 act->flags &= ~XkbSA_NoAcceleration;
468 act->flags |= XkbSA_NoAcceleration;
471 return ReportIllegal(keymap, action->type, field);
474 static const LookupEntry lockWhich[] = {
476 { "lock", XkbSA_LockNoUnlock },
477 { "neither", (XkbSA_LockNoLock | XkbSA_LockNoUnlock) },
478 { "unlock", XkbSA_LockNoLock },
483 HandlePtrBtn(struct xkb_keymap *keymap, struct xkb_any_action *action,
484 unsigned field, ExprDef *array_ndx, ExprDef *value)
487 struct xkb_pointer_button_action *act;
489 act = (struct xkb_pointer_button_action *) action;
490 if (field == F_Button) {
494 return ReportActionNotArray(keymap, action->type, field);
496 if (!ExprResolveButton(keymap->ctx, value, &btn))
497 return ReportMismatch(keymap, action->type, field,
498 "integer (range 1..5)");
500 if (btn < 0 || btn > 5) {
502 "Button must specify default or be in the range 1..5; "
503 "Illegal button value %d ignored\n", btn);
510 else if ((action->type == XkbSA_LockPtrBtn) && (field == F_Affect)) {
514 return ReportActionNotArray(keymap, action->type, field);
516 if (!ExprResolveEnum(keymap->ctx, value, &val, lockWhich))
517 return ReportMismatch(keymap, action->type, field,
520 act->flags &= ~(XkbSA_LockNoLock | XkbSA_LockNoUnlock);
524 else if (field == F_Count) {
528 return ReportActionNotArray(keymap, action->type, field);
530 /* XXX: Should this actually be ResolveButton? */
531 if (!ExprResolveButton(keymap->ctx, value, &btn))
532 return ReportMismatch(keymap, action->type, field, "integer");
534 if (btn < 0 || btn > 255) {
536 "The count field must have a value in the range 0..255; "
537 "Illegal count %d ignored\n", rtrn.ival);
544 return ReportIllegal(keymap, action->type, field);
547 static const LookupEntry ptrDflts[] = {
548 { "dfltbtn", XkbSA_AffectDfltBtn },
549 { "defaultbutton", XkbSA_AffectDfltBtn },
550 { "button", XkbSA_AffectDfltBtn },
555 HandleSetPtrDflt(struct xkb_keymap *keymap, struct xkb_any_action *action,
556 unsigned field, ExprDef *array_ndx, ExprDef *value)
559 struct xkb_pointer_default_action *act;
561 act = (struct xkb_pointer_default_action *) action;
562 if (field == F_Affect) {
566 return ReportActionNotArray(keymap, action->type, field);
568 if (!ExprResolveEnum(keymap->ctx, value, &val, ptrDflts))
569 return ReportMismatch(keymap, action->type, field,
570 "pointer component");
574 else if ((field == F_Button) || (field == F_Value)) {
579 return ReportActionNotArray(keymap, action->type, field);
581 if (value->op == EXPR_NEGATE || value->op == EXPR_UNARY_PLUS) {
582 act->flags &= ~XkbSA_DfltBtnAbsolute;
583 button = value->value.child;
586 act->flags |= XkbSA_DfltBtnAbsolute;
590 if (!ExprResolveButton(keymap->ctx, button, &btn))
591 return ReportMismatch(keymap, action->type, field,
592 "integer (range 1..5)");
594 if (btn < 0 || btn > 5) {
596 "New default button value must be in the range 1..5; "
597 "Illegal default button value %d ignored\n", rtrn.ival);
602 "Cannot set default pointer button to \"default\"; "
603 "Illegal default button setting ignored\n");
607 act->value = (value->op == EXPR_NEGATE ? -btn: btn);
611 return ReportIllegal(keymap, action->type, field);
614 static const LookupEntry isoNames[] = {
615 { "mods", XkbSA_ISONoAffectMods },
616 { "modifiers", XkbSA_ISONoAffectMods },
617 { "group", XkbSA_ISONoAffectGroup },
618 { "groups", XkbSA_ISONoAffectGroup },
619 { "ptr", XkbSA_ISONoAffectPtr },
620 { "pointer", XkbSA_ISONoAffectPtr },
621 { "ctrls", XkbSA_ISONoAffectCtrls },
622 { "controls", XkbSA_ISONoAffectCtrls },
623 { "all", ~((unsigned) 0) },
629 HandleISOLock(struct xkb_keymap *keymap, struct xkb_any_action *action,
630 unsigned field, ExprDef *array_ndx, ExprDef *value)
632 struct xkb_iso_action *act;
634 act = (struct xkb_iso_action *) action;
635 if (field == F_Modifiers) {
640 return ReportActionNotArray(keymap, action->type, field);
643 if (!CheckModifierField(keymap, action->type, value, &flags, &mods))
646 act->flags = flags & (~XkbSA_ISODfltIsGroup);
647 act->real_mods = mods & 0xff;
648 act->vmods = (mods >> 8) & 0xff;
651 else if (field == F_Group) {
652 xkb_group_index_t group;
656 return ReportActionNotArray(keymap, action->type, field);
659 if (!CheckGroupField(keymap, action->type, value, &flags, &group))
662 act->flags = flags | XkbSA_ISODfltIsGroup;
665 } else if (F_Affect) {
669 return ReportActionNotArray(keymap, action->type, field);
671 if (!ExprResolveMask(keymap->ctx, value, &mask, isoNames))
672 return ReportMismatch(keymap, action->type, field,
673 "keyboard component");
675 act->affect = (~mask) & XkbSA_ISOAffectMask;
679 return ReportIllegal(keymap, action->type, field);
683 HandleSwitchScreen(struct xkb_keymap *keymap, struct xkb_any_action *action,
684 unsigned field, ExprDef *array_ndx, ExprDef *value)
687 struct xkb_switch_screen_action *act;
689 act = (struct xkb_switch_screen_action *) action;
690 if (field == F_Screen) {
695 return ReportActionNotArray(keymap, action->type, field);
697 if (value->op == EXPR_NEGATE || value->op == EXPR_UNARY_PLUS) {
698 act->flags &= ~XkbSA_SwitchAbsolute;
699 scrn = value->value.child;
702 act->flags |= XkbSA_SwitchAbsolute;
706 if (!ExprResolveInteger(keymap->ctx, scrn, &val))
707 return ReportMismatch(keymap, action->type, field,
710 if (val < 0 || val > 255) {
712 "Screen index must be in the range 1..255; "
713 "Illegal screen value %d ignored\n", rtrn.ival);
717 act->screen = (value->op == EXPR_NEGATE ? -val : val);
720 else if (field == F_Same) {
724 return ReportActionNotArray(keymap, action->type, field);
726 if (!ExprResolveBoolean(keymap->ctx, value, &set))
727 return ReportMismatch(keymap, action->type, field, "boolean");
730 act->flags &= ~XkbSA_SwitchApplication;
732 act->flags |= XkbSA_SwitchApplication;
737 return ReportIllegal(keymap, action->type, field);
740 const LookupEntry ctrlNames[] = {
741 { "repeatkeys", XkbRepeatKeysMask },
742 { "repeat", XkbRepeatKeysMask },
743 { "autorepeat", XkbRepeatKeysMask },
744 { "slowkeys", XkbSlowKeysMask },
745 { "bouncekeys", XkbBounceKeysMask },
746 { "stickykeys", XkbStickyKeysMask },
747 { "mousekeys", XkbMouseKeysMask },
748 { "mousekeysaccel", XkbMouseKeysAccelMask },
749 { "accessxkeys", XkbAccessXKeysMask },
750 { "accessxtimeout", XkbAccessXTimeoutMask },
751 { "accessxfeedback", XkbAccessXFeedbackMask },
752 { "audiblebell", XkbAudibleBellMask },
753 { "ignoregrouplock", XkbIgnoreGroupLockMask },
754 { "all", XkbAllBooleanCtrlsMask },
762 HandleSetLockControls(struct xkb_keymap *keymap,
763 struct xkb_any_action *action,
764 unsigned field, ExprDef *array_ndx,
767 struct xkb_controls_action *act;
769 act = (struct xkb_controls_action *) action;
770 if (field == F_Controls) {
774 return ReportActionNotArray(keymap, action->type, field);
776 if (!ExprResolveMask(keymap->ctx, value, &mask, ctrlNames))
777 return ReportMismatch(keymap, action->type, field,
784 return ReportIllegal(keymap, action->type, field);
787 static const LookupEntry evNames[] = {
788 { "press", XkbSA_MessageOnPress },
789 { "keypress", XkbSA_MessageOnPress },
790 { "release", XkbSA_MessageOnRelease },
791 { "keyrelease", XkbSA_MessageOnRelease },
792 { "all", XkbSA_MessageOnPress | XkbSA_MessageOnRelease },
798 HandleActionMessage(struct xkb_keymap *keymap, struct xkb_any_action *action,
799 unsigned field, ExprDef *array_ndx, ExprDef *value)
801 struct xkb_message_action *act;
803 act = (struct xkb_message_action *) action;
804 if (field == F_Report) {
808 return ReportActionNotArray(keymap, action->type, field);
810 if (!ExprResolveMask(keymap->ctx, value, &mask, evNames))
811 return ReportMismatch(keymap, action->type, field,
814 /* FIXME: Something seems wrong here... */
815 act->flags &= ~(XkbSA_MessageOnPress | XkbSA_MessageOnRelease);
816 act->flags = mask & (XkbSA_MessageOnPress | XkbSA_MessageOnRelease);
819 else if (field == F_GenKeyEvent) {
823 return ReportActionNotArray(keymap, action->type, field);
825 if (!ExprResolveBoolean(keymap->ctx, value, &set))
826 return ReportMismatch(keymap, action->type, field, "boolean");
829 act->flags |= XkbSA_MessageGenKeyEvent;
831 act->flags &= ~XkbSA_MessageGenKeyEvent;
835 else if (field == F_Data && !array_ndx) {
839 if (!ExprResolveString(keymap->ctx, value, &str))
840 return ReportMismatch(keymap, action->type, field, "string");
843 if (len < 1 || len > 6) {
844 log_warn(keymap->ctx,
845 "An action message can hold only 6 bytes; "
846 "Extra %d bytes ignored\n", len - 6);
849 strncpy((char *) act->message, str, 6);
852 else if (field == F_Data && array_ndx) {
855 if (!ExprResolveInteger(keymap->ctx, array_ndx, &ndx)) {
857 "Array subscript must be integer; "
858 "Illegal subscript ignored\n");
862 if (ndx < 0 || ndx > 5) {
864 "An action message is at most 6 bytes long; "
865 "Attempt to use data[%d] ignored\n", ndx);
869 if (!ExprResolveInteger(keymap->ctx, value, &datum))
870 return ReportMismatch(keymap, action->type, field, "integer");
872 if (datum < 0 || datum > 255) {
874 "Message data must be in the range 0..255; "
875 "Illegal datum %d ignored\n", datum);
879 act->message[ndx] = (uint8_t) datum;
883 return ReportIllegal(keymap, action->type, field);
887 HandleRedirectKey(struct xkb_keymap *keymap, struct xkb_any_action *action,
888 unsigned field, ExprDef *array_ndx, ExprDef *value)
891 struct xkb_redirect_key_action *act;
895 char key_name[XkbKeyNameLength];
897 if (array_ndx != NULL)
898 return ReportActionNotArray(keymap, action->type, field);
900 act = (struct xkb_redirect_key_action *) action;
903 if (!ExprResolveKeyName(keymap->ctx, value, key_name))
904 return ReportMismatch(keymap, action->type, field, "key name");
906 tmp = KeyNameToLong(key_name);
907 key = FindNamedKey(keymap, tmp, true, CreateKeyNames(keymap), 0);
909 return ReportNotFound(keymap, action->type, field, "Key",
910 KeyNameText(key_name));
911 act->new_kc = XkbKeyGetKeycode(keymap, key);
917 if (CheckModifierField(keymap, action->type, value, &t1, &t2)) {
918 act->mods_mask |= (t2 & 0xff);
919 if (field == F_Modifiers)
920 act->mods |= (t2 & 0xff);
922 act->mods &= ~(t2 & 0xff);
924 t2 = (t2 >> 8) & 0xffff;
925 act->vmods_mask |= t2;
926 if (field == F_Modifiers)
934 return ReportIllegal(keymap, action->type, field);
938 HandleDeviceBtn(struct xkb_keymap *keymap, struct xkb_any_action *action,
939 unsigned field, ExprDef *array_ndx, ExprDef *value)
942 struct xkb_device_button_action *act;
944 act = (struct xkb_device_button_action *) action;
945 if (field == F_Button) {
949 return ReportActionNotArray(keymap, action->type, field);
951 if (!ExprResolveInteger(keymap->ctx, value, &val))
952 return ReportMismatch(keymap, action->type, field,
953 "integer (range 1..255)");
955 if (val < 0 || val > 255) {
957 "Button must specify default or be in the range 1..255; "
958 "Illegal button value %d ignored\n", val);
965 else if (action->type == XkbSA_LockDeviceBtn && field == F_Affect) {
969 return ReportActionNotArray(keymap, action->type, field);
971 if (!ExprResolveEnum(keymap->ctx, value, &val, lockWhich))
972 return ReportMismatch(keymap, action->type, field,
975 act->flags &= ~(XkbSA_LockNoLock | XkbSA_LockNoUnlock);
979 else if (field == F_Count) {
983 return ReportActionNotArray(keymap, action->type, field);
985 /* XXX: Should this actually be ResolveButton? */
986 if (!ExprResolveButton(keymap->ctx, value, &btn))
987 return ReportMismatch(keymap, action->type, field, "integer");
989 if (btn < 0 || btn > 255) {
991 "The count field must have a value in the range 0..255; "
992 "Illegal count %d ignored\n", rtrn.ival);
999 else if (field == F_Device) {
1003 return ReportActionNotArray(keymap, action->type, field);
1005 if (!ExprResolveInteger(keymap->ctx, value, &val))
1006 return ReportMismatch(keymap, action->type, field,
1007 "integer (range 1..255)");
1009 if (val < 0 || val > 255) {
1010 log_err(keymap->ctx,
1011 "Device must specify default or be in the range 1..255; "
1012 "Illegal device value %d ignored\n", val);
1020 return ReportIllegal(keymap, action->type, field);
1024 HandleDeviceValuator(struct xkb_keymap *keymap, struct xkb_any_action *action,
1025 unsigned field, ExprDef *array_ndx, ExprDef *value)
1029 struct xkb_device_valuator_action *act;
1031 act = (struct xkb_device_valuator_action *) action;
1032 /* XXX - Not yet implemented */
1038 HandlePrivate(struct xkb_keymap *keymap, struct xkb_any_action *action,
1039 unsigned field, ExprDef *array_ndx, ExprDef *value)
1041 if (field == F_Type) {
1044 if (!ExprResolveInteger(keymap->ctx, value, &type))
1045 return ReportMismatch(keymap, PrivateAction, field, "integer");
1047 if (type < 0 || type > 255) {
1048 log_err(keymap->ctx,
1049 "Private action type must be in the range 0..255; "
1050 "Illegal type %d ignored\n", type);
1054 action->type = (uint8_t) type;
1057 else if (field == F_Data) {
1058 if (array_ndx == NULL) {
1062 if (!ExprResolveString(keymap->ctx, value, &str))
1063 return ReportMismatch(keymap, action->type, field, "string");
1066 if (len < 1 || len > 7) {
1067 log_warn(keymap->ctx,
1068 "A private action has 7 data bytes; "
1069 "Extra %d bytes ignored\n", len - 6);
1073 strncpy((char *) action->data, str, sizeof(action->data));
1079 if (!ExprResolveInteger(keymap->ctx, array_ndx, &ndx)) {
1080 log_err(keymap->ctx,
1081 "Array subscript must be integer; "
1082 "Illegal subscript ignored\n");
1086 if (ndx < 0 || ndx >= sizeof(action->data)) {
1087 log_err(keymap->ctx,
1088 "The data for a private action is %zu bytes long; "
1089 "Attempt to use data[%d] ignored\n",
1090 sizeof(action->data), ndx);
1094 if (!ExprResolveInteger(keymap->ctx, value, &datum))
1095 return ReportMismatch(keymap, action->type, field, "integer");
1097 if (datum < 0 || datum > 255) {
1098 log_err(keymap->ctx,
1099 "All data for a private action must be 0..255; "
1100 "Illegal datum %d ignored\n", datum);
1104 action->data[ndx] = (uint8_t) datum;
1109 return ReportIllegal(keymap, PrivateAction, field);
1112 typedef bool (*actionHandler)(struct xkb_keymap *keymap,
1113 struct xkb_any_action *action, unsigned field,
1114 ExprDef *array_ndx, ExprDef *value);
1116 static const actionHandler handleAction[XkbSA_NumActions + 1] = {
1117 [XkbSA_NoAction] = HandleNoAction,
1118 [XkbSA_SetMods] = HandleSetLatchMods,
1119 [XkbSA_LatchMods] = HandleSetLatchMods,
1120 [XkbSA_LockMods] = HandleLockMods,
1121 [XkbSA_SetGroup] = HandleSetLatchGroup,
1122 [XkbSA_LatchGroup] = HandleSetLatchGroup,
1123 [XkbSA_LockGroup] = HandleLockGroup,
1124 [XkbSA_MovePtr] = HandleMovePtr,
1125 [XkbSA_PtrBtn] = HandlePtrBtn,
1126 [XkbSA_LockPtrBtn] = HandlePtrBtn,
1127 [XkbSA_SetPtrDflt] = HandleSetPtrDflt,
1128 [XkbSA_ISOLock] = HandleISOLock,
1129 [XkbSA_Terminate] = HandleNoAction,
1130 [XkbSA_SwitchScreen] = HandleSwitchScreen,
1131 [XkbSA_SetControls] = HandleSetLockControls,
1132 [XkbSA_LockControls] = HandleSetLockControls,
1133 [XkbSA_ActionMessage] = HandleActionMessage,
1134 [XkbSA_RedirectKey] = HandleRedirectKey,
1135 [XkbSA_DeviceBtn] = HandleDeviceBtn,
1136 [XkbSA_LockDeviceBtn] = HandleDeviceBtn,
1137 [XkbSA_DeviceValuator] = HandleDeviceValuator,
1138 [PrivateAction] = HandlePrivate,
1141 /***====================================================================***/
1144 ApplyActionFactoryDefaults(union xkb_action * action)
1146 if (action->type == XkbSA_SetPtrDflt) { /* increment default button */
1147 action->dflt.affect = XkbSA_AffectDfltBtn;
1148 action->dflt.flags = 0;
1149 action->dflt.value = 1;
1151 else if (action->type == XkbSA_ISOLock) {
1152 action->iso.real_mods = LockMask;
1157 ActionsInit(struct xkb_context *ctx);
1160 HandleActionDef(ExprDef * def,
1161 struct xkb_keymap *keymap,
1162 struct xkb_any_action *action, ActionInfo *info)
1166 unsigned tmp, hndlrType;
1168 if (!actionsInitialized)
1169 ActionsInit(keymap->ctx);
1171 if (def->op != EXPR_ACTION_DECL) {
1172 log_err(keymap->ctx, "Expected an action definition, found %s\n",
1173 exprOpText(def->op));
1176 str = xkb_atom_text(keymap->ctx, def->value.action.name);
1178 log_wsgo(keymap->ctx, "Missing name in action definition!!\n");
1181 if (!stringToAction(str, &tmp)) {
1182 log_err(keymap->ctx, "Unknown action %s\n", str);
1185 action->type = hndlrType = tmp;
1186 if (action->type != XkbSA_NoAction) {
1187 ApplyActionFactoryDefaults((union xkb_action *) action);
1190 if ((info->action == XkbSA_NoAction)
1191 || (info->action == hndlrType)) {
1192 if (!(*handleAction[hndlrType])(keymap, action,
1202 for (arg = def->value.action.args; arg != NULL;
1203 arg = (ExprDef *) arg->common.next) {
1204 ExprDef *field, *value, *arrayRtrn;
1205 const char *elemRtrn, *fieldRtrn;
1208 if (arg->op == EXPR_ASSIGN) {
1209 field = arg->value.binary.left;
1210 value = arg->value.binary.right;
1213 if (arg->op == EXPR_NOT || arg->op == EXPR_INVERT) {
1214 field = arg->value.child;
1215 constFalse.value.str = xkb_atom_intern(keymap->ctx, "false");
1216 value = &constFalse;
1220 constTrue.value.str = xkb_atom_intern(keymap->ctx, "true");
1224 if (!ExprResolveLhs(keymap->ctx, field, &elemRtrn, &fieldRtrn,
1226 return false; /* internal error -- already reported */
1228 if (elemRtrn != NULL) {
1229 log_err(keymap->ctx,
1230 "Cannot change defaults in an action definition; "
1231 "Ignoring attempt to change %s.%s\n",
1232 elemRtrn, fieldRtrn);
1235 if (!stringToField(fieldRtrn, &fieldNdx)) {
1236 log_err(keymap->ctx, "Unknown field name %s\n", fieldRtrn);
1239 if (!handleAction[hndlrType](keymap, action, fieldNdx, arrayRtrn,
1246 /***====================================================================***/
1249 SetActionField(struct xkb_keymap *keymap, const char *elem, const char *field,
1250 ExprDef *array_ndx, ExprDef *value, ActionInfo **info_rtrn)
1252 ActionInfo *new, *old;
1254 if (!actionsInitialized)
1255 ActionsInit(keymap->ctx);
1257 new = malloc(sizeof(*new));
1259 log_wsgo(keymap->ctx, "Couldn't allocate space for action default\n");
1263 if (istreq(elem, "action"))
1264 new->action = XkbSA_NoAction;
1266 if (!stringToAction(elem, &new->action)) {
1270 if (new->action == XkbSA_NoAction) {
1271 log_err(keymap->ctx,
1272 "\"%s\" is not a valid field in a NoAction action\n",
1278 if (!stringToField(field, &new->field)) {
1279 log_err(keymap->ctx, "\"%s\" is not a legal field name\n", field);
1283 new->array_ndx = array_ndx;
1287 while ((old) && (old->next))
1296 /***====================================================================***/
1299 ActionsInit(struct xkb_context *ctx)
1301 if (!actionsInitialized) {
1302 memset(&constTrue, 0, sizeof(constTrue));
1303 memset(&constFalse, 0, sizeof(constFalse));
1304 constTrue.common.type = STMT_EXPR;
1305 constTrue.common.next = NULL;
1306 constTrue.op = EXPR_IDENT;
1307 constTrue.value_type = EXPR_TYPE_BOOLEAN;
1308 constTrue.value.str = xkb_atom_intern(ctx, "true");
1309 constFalse.common.type = STMT_EXPR;
1310 constFalse.common.next = NULL;
1311 constFalse.op = EXPR_IDENT;
1312 constFalse.value_type = EXPR_TYPE_BOOLEAN;
1313 constFalse.value.str = xkb_atom_intern(ctx, "false");
1314 actionsInitialized = 1;
1319 ResizeKeyActions(struct xkb_keymap *keymap, struct xkb_key *key,
1322 size_t old_ndx, old_num_acts, new_ndx;
1325 key->acts_index = 0;
1329 if (XkbKeyHasActions(key) && key->width >= needed)
1330 return XkbKeyActionsPtr(keymap, key);
1333 * The key may already be in the array, but without enough space.
1334 * This should not happen often, so in order to avoid moving and
1335 * copying stuff from acts and key_acts, we just allocate new
1336 * space for the key at the end, and leave the old space alone.
1339 old_ndx = key->acts_index;
1340 old_num_acts = XkbKeyNumActions(key);
1341 new_ndx = darray_size(keymap->acts);
1343 darray_resize0(keymap->acts, new_ndx + needed);
1344 key->acts_index = new_ndx;
1347 * The key was already in the array, copy the old actions to the
1351 memcpy(darray_mem(keymap->acts, new_ndx),
1352 darray_mem(keymap->acts, old_ndx),
1353 old_num_acts * sizeof(union xkb_action));
1355 return XkbKeyActionsPtr(keymap, key);