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 int *value_rtrn)
121 const LookupEntry *entry;
126 for (entry = tab; entry->name; entry++) {
127 if (istreq(entry->name, string)) {
128 *value_rtrn = entry->value;
137 valueToString(const LookupEntry tab[], unsigned int value)
139 const LookupEntry *entry;
141 for (entry = tab; entry->name; entry++)
142 if (entry->value == 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)
486 struct xkb_pointer_button_action *act;
488 act = (struct xkb_pointer_button_action *) action;
489 if (field == F_Button) {
493 return ReportActionNotArray(keymap, action->type, field);
495 if (!ExprResolveButton(keymap->ctx, value, &btn))
496 return ReportMismatch(keymap, action->type, field,
497 "integer (range 1..5)");
499 if (btn < 0 || btn > 5) {
501 "Button must specify default or be in the range 1..5; "
502 "Illegal button value %d ignored\n", btn);
509 else if ((action->type == XkbSA_LockPtrBtn) && (field == F_Affect)) {
513 return ReportActionNotArray(keymap, action->type, field);
515 if (!ExprResolveEnum(keymap->ctx, value, &val, lockWhich))
516 return ReportMismatch(keymap, action->type, field,
519 act->flags &= ~(XkbSA_LockNoLock | XkbSA_LockNoUnlock);
523 else if (field == F_Count) {
527 return ReportActionNotArray(keymap, action->type, field);
529 /* XXX: Should this actually be ResolveButton? */
530 if (!ExprResolveButton(keymap->ctx, value, &btn))
531 return ReportMismatch(keymap, action->type, field, "integer");
533 if (btn < 0 || btn > 255) {
535 "The count field must have a value in the range 0..255; "
536 "Illegal count %d ignored\n", btn);
543 return ReportIllegal(keymap, action->type, field);
546 static const LookupEntry ptrDflts[] = {
547 { "dfltbtn", XkbSA_AffectDfltBtn },
548 { "defaultbutton", XkbSA_AffectDfltBtn },
549 { "button", XkbSA_AffectDfltBtn },
554 HandleSetPtrDflt(struct xkb_keymap *keymap, struct xkb_any_action *action,
555 unsigned field, ExprDef *array_ndx, ExprDef *value)
557 struct xkb_pointer_default_action *act;
559 act = (struct xkb_pointer_default_action *) action;
560 if (field == F_Affect) {
564 return ReportActionNotArray(keymap, action->type, field);
566 if (!ExprResolveEnum(keymap->ctx, value, &val, ptrDflts))
567 return ReportMismatch(keymap, action->type, field,
568 "pointer component");
572 else if ((field == F_Button) || (field == F_Value)) {
577 return ReportActionNotArray(keymap, action->type, field);
579 if (value->op == EXPR_NEGATE || value->op == EXPR_UNARY_PLUS) {
580 act->flags &= ~XkbSA_DfltBtnAbsolute;
581 button = value->value.child;
584 act->flags |= XkbSA_DfltBtnAbsolute;
588 if (!ExprResolveButton(keymap->ctx, button, &btn))
589 return ReportMismatch(keymap, action->type, field,
590 "integer (range 1..5)");
592 if (btn < 0 || btn > 5) {
594 "New default button value must be in the range 1..5; "
595 "Illegal default button value %d ignored\n", btn);
600 "Cannot set default pointer button to \"default\"; "
601 "Illegal default button setting ignored\n");
605 act->value = (value->op == EXPR_NEGATE ? -btn: btn);
609 return ReportIllegal(keymap, action->type, field);
612 static const LookupEntry isoNames[] = {
613 { "mods", XkbSA_ISONoAffectMods },
614 { "modifiers", XkbSA_ISONoAffectMods },
615 { "group", XkbSA_ISONoAffectGroup },
616 { "groups", XkbSA_ISONoAffectGroup },
617 { "ptr", XkbSA_ISONoAffectPtr },
618 { "pointer", XkbSA_ISONoAffectPtr },
619 { "ctrls", XkbSA_ISONoAffectCtrls },
620 { "controls", XkbSA_ISONoAffectCtrls },
621 { "all", ~((unsigned) 0) },
627 HandleISOLock(struct xkb_keymap *keymap, struct xkb_any_action *action,
628 unsigned field, ExprDef *array_ndx, ExprDef *value)
630 struct xkb_iso_action *act;
632 act = (struct xkb_iso_action *) action;
633 if (field == F_Modifiers) {
638 return ReportActionNotArray(keymap, action->type, field);
641 if (!CheckModifierField(keymap, action->type, value, &flags, &mods))
644 act->flags = flags & (~XkbSA_ISODfltIsGroup);
645 act->real_mods = mods & 0xff;
646 act->vmods = (mods >> 8) & 0xff;
649 else if (field == F_Group) {
650 xkb_group_index_t group;
654 return ReportActionNotArray(keymap, action->type, field);
657 if (!CheckGroupField(keymap, action->type, value, &flags, &group))
660 act->flags = flags | XkbSA_ISODfltIsGroup;
663 } else if (F_Affect) {
667 return ReportActionNotArray(keymap, action->type, field);
669 if (!ExprResolveMask(keymap->ctx, value, &mask, isoNames))
670 return ReportMismatch(keymap, action->type, field,
671 "keyboard component");
673 act->affect = (~mask) & XkbSA_ISOAffectMask;
677 return ReportIllegal(keymap, action->type, field);
681 HandleSwitchScreen(struct xkb_keymap *keymap, struct xkb_any_action *action,
682 unsigned field, ExprDef *array_ndx, ExprDef *value)
684 struct xkb_switch_screen_action *act;
686 act = (struct xkb_switch_screen_action *) action;
687 if (field == F_Screen) {
692 return ReportActionNotArray(keymap, action->type, field);
694 if (value->op == EXPR_NEGATE || value->op == EXPR_UNARY_PLUS) {
695 act->flags &= ~XkbSA_SwitchAbsolute;
696 scrn = value->value.child;
699 act->flags |= XkbSA_SwitchAbsolute;
703 if (!ExprResolveInteger(keymap->ctx, scrn, &val))
704 return ReportMismatch(keymap, action->type, field,
707 if (val < 0 || val > 255) {
709 "Screen index must be in the range 1..255; "
710 "Illegal screen value %d ignored\n", val);
714 act->screen = (value->op == EXPR_NEGATE ? -val : val);
717 else if (field == F_Same) {
721 return ReportActionNotArray(keymap, action->type, field);
723 if (!ExprResolveBoolean(keymap->ctx, value, &set))
724 return ReportMismatch(keymap, action->type, field, "boolean");
727 act->flags &= ~XkbSA_SwitchApplication;
729 act->flags |= XkbSA_SwitchApplication;
734 return ReportIllegal(keymap, action->type, field);
737 const LookupEntry ctrlNames[] = {
738 { "repeatkeys", XkbRepeatKeysMask },
739 { "repeat", XkbRepeatKeysMask },
740 { "autorepeat", XkbRepeatKeysMask },
741 { "slowkeys", XkbSlowKeysMask },
742 { "bouncekeys", XkbBounceKeysMask },
743 { "stickykeys", XkbStickyKeysMask },
744 { "mousekeys", XkbMouseKeysMask },
745 { "mousekeysaccel", XkbMouseKeysAccelMask },
746 { "accessxkeys", XkbAccessXKeysMask },
747 { "accessxtimeout", XkbAccessXTimeoutMask },
748 { "accessxfeedback", XkbAccessXFeedbackMask },
749 { "audiblebell", XkbAudibleBellMask },
750 { "ignoregrouplock", XkbIgnoreGroupLockMask },
751 { "all", XkbAllBooleanCtrlsMask },
759 HandleSetLockControls(struct xkb_keymap *keymap,
760 struct xkb_any_action *action,
761 unsigned field, ExprDef *array_ndx,
764 struct xkb_controls_action *act;
766 act = (struct xkb_controls_action *) action;
767 if (field == F_Controls) {
771 return ReportActionNotArray(keymap, action->type, field);
773 if (!ExprResolveMask(keymap->ctx, value, &mask, ctrlNames))
774 return ReportMismatch(keymap, action->type, field,
781 return ReportIllegal(keymap, action->type, field);
784 static const LookupEntry evNames[] = {
785 { "press", XkbSA_MessageOnPress },
786 { "keypress", XkbSA_MessageOnPress },
787 { "release", XkbSA_MessageOnRelease },
788 { "keyrelease", XkbSA_MessageOnRelease },
789 { "all", XkbSA_MessageOnPress | XkbSA_MessageOnRelease },
795 HandleActionMessage(struct xkb_keymap *keymap, struct xkb_any_action *action,
796 unsigned field, ExprDef *array_ndx, ExprDef *value)
798 struct xkb_message_action *act;
800 act = (struct xkb_message_action *) action;
801 if (field == F_Report) {
805 return ReportActionNotArray(keymap, action->type, field);
807 if (!ExprResolveMask(keymap->ctx, value, &mask, evNames))
808 return ReportMismatch(keymap, action->type, field,
811 /* FIXME: Something seems wrong here... */
812 act->flags &= ~(XkbSA_MessageOnPress | XkbSA_MessageOnRelease);
813 act->flags = mask & (XkbSA_MessageOnPress | XkbSA_MessageOnRelease);
816 else if (field == F_GenKeyEvent) {
820 return ReportActionNotArray(keymap, action->type, field);
822 if (!ExprResolveBoolean(keymap->ctx, value, &set))
823 return ReportMismatch(keymap, action->type, field, "boolean");
826 act->flags |= XkbSA_MessageGenKeyEvent;
828 act->flags &= ~XkbSA_MessageGenKeyEvent;
832 else if (field == F_Data && !array_ndx) {
836 if (!ExprResolveString(keymap->ctx, value, &str))
837 return ReportMismatch(keymap, action->type, field, "string");
840 if (len < 1 || len > 6) {
841 log_warn(keymap->ctx,
842 "An action message can hold only 6 bytes; "
843 "Extra %d bytes ignored\n", len - 6);
846 strncpy((char *) act->message, str, 6);
849 else if (field == F_Data && array_ndx) {
852 if (!ExprResolveInteger(keymap->ctx, array_ndx, &ndx)) {
854 "Array subscript must be integer; "
855 "Illegal subscript ignored\n");
859 if (ndx < 0 || ndx > 5) {
861 "An action message is at most 6 bytes long; "
862 "Attempt to use data[%d] ignored\n", ndx);
866 if (!ExprResolveInteger(keymap->ctx, value, &datum))
867 return ReportMismatch(keymap, action->type, field, "integer");
869 if (datum < 0 || datum > 255) {
871 "Message data must be in the range 0..255; "
872 "Illegal datum %d ignored\n", datum);
876 act->message[ndx] = (uint8_t) datum;
880 return ReportIllegal(keymap, action->type, field);
884 HandleRedirectKey(struct xkb_keymap *keymap, struct xkb_any_action *action,
885 unsigned field, ExprDef *array_ndx, ExprDef *value)
888 struct xkb_redirect_key_action *act;
892 char key_name[XkbKeyNameLength];
894 if (array_ndx != NULL)
895 return ReportActionNotArray(keymap, action->type, field);
897 act = (struct xkb_redirect_key_action *) action;
900 if (!ExprResolveKeyName(keymap->ctx, value, key_name))
901 return ReportMismatch(keymap, action->type, field, "key name");
903 tmp = KeyNameToLong(key_name);
904 key = FindNamedKey(keymap, tmp, true, CreateKeyNames(keymap), 0);
906 return ReportNotFound(keymap, action->type, field, "Key",
907 KeyNameText(key_name));
908 act->new_kc = XkbKeyGetKeycode(keymap, key);
914 if (CheckModifierField(keymap, action->type, value, &t1, &t2)) {
915 act->mods_mask |= (t2 & 0xff);
916 if (field == F_Modifiers)
917 act->mods |= (t2 & 0xff);
919 act->mods &= ~(t2 & 0xff);
921 t2 = (t2 >> 8) & 0xffff;
922 act->vmods_mask |= t2;
923 if (field == F_Modifiers)
931 return ReportIllegal(keymap, action->type, field);
935 HandleDeviceBtn(struct xkb_keymap *keymap, struct xkb_any_action *action,
936 unsigned field, ExprDef *array_ndx, ExprDef *value)
938 struct xkb_device_button_action *act;
940 act = (struct xkb_device_button_action *) action;
941 if (field == F_Button) {
945 return ReportActionNotArray(keymap, action->type, field);
947 if (!ExprResolveInteger(keymap->ctx, value, &val))
948 return ReportMismatch(keymap, action->type, field,
949 "integer (range 1..255)");
951 if (val < 0 || val > 255) {
953 "Button must specify default or be in the range 1..255; "
954 "Illegal button value %d ignored\n", val);
961 else if (action->type == XkbSA_LockDeviceBtn && field == F_Affect) {
965 return ReportActionNotArray(keymap, action->type, field);
967 if (!ExprResolveEnum(keymap->ctx, value, &val, lockWhich))
968 return ReportMismatch(keymap, action->type, field,
971 act->flags &= ~(XkbSA_LockNoLock | XkbSA_LockNoUnlock);
975 else if (field == F_Count) {
979 return ReportActionNotArray(keymap, action->type, field);
981 /* XXX: Should this actually be ResolveButton? */
982 if (!ExprResolveButton(keymap->ctx, value, &btn))
983 return ReportMismatch(keymap, action->type, field, "integer");
985 if (btn < 0 || btn > 255) {
987 "The count field must have a value in the range 0..255; "
988 "Illegal count %d ignored\n", btn);
995 else if (field == F_Device) {
999 return ReportActionNotArray(keymap, action->type, field);
1001 if (!ExprResolveInteger(keymap->ctx, value, &val))
1002 return ReportMismatch(keymap, action->type, field,
1003 "integer (range 1..255)");
1005 if (val < 0 || val > 255) {
1006 log_err(keymap->ctx,
1007 "Device must specify default or be in the range 1..255; "
1008 "Illegal device value %d ignored\n", val);
1016 return ReportIllegal(keymap, action->type, field);
1020 HandleDeviceValuator(struct xkb_keymap *keymap, struct xkb_any_action *action,
1021 unsigned field, ExprDef *array_ndx, ExprDef *value)
1025 struct xkb_device_valuator_action *act;
1027 act = (struct xkb_device_valuator_action *) action;
1028 /* XXX - Not yet implemented */
1034 HandlePrivate(struct xkb_keymap *keymap, struct xkb_any_action *action,
1035 unsigned field, ExprDef *array_ndx, ExprDef *value)
1037 if (field == F_Type) {
1040 if (!ExprResolveInteger(keymap->ctx, value, &type))
1041 return ReportMismatch(keymap, PrivateAction, field, "integer");
1043 if (type < 0 || type > 255) {
1044 log_err(keymap->ctx,
1045 "Private action type must be in the range 0..255; "
1046 "Illegal type %d ignored\n", type);
1050 action->type = (uint8_t) type;
1053 else if (field == F_Data) {
1054 if (array_ndx == NULL) {
1058 if (!ExprResolveString(keymap->ctx, value, &str))
1059 return ReportMismatch(keymap, action->type, field, "string");
1062 if (len < 1 || len > 7) {
1063 log_warn(keymap->ctx,
1064 "A private action has 7 data bytes; "
1065 "Extra %d bytes ignored\n", len - 6);
1069 strncpy((char *) action->data, str, sizeof(action->data));
1075 if (!ExprResolveInteger(keymap->ctx, array_ndx, &ndx)) {
1076 log_err(keymap->ctx,
1077 "Array subscript must be integer; "
1078 "Illegal subscript ignored\n");
1082 if (ndx < 0 || ndx >= sizeof(action->data)) {
1083 log_err(keymap->ctx,
1084 "The data for a private action is %zu bytes long; "
1085 "Attempt to use data[%d] ignored\n",
1086 sizeof(action->data), ndx);
1090 if (!ExprResolveInteger(keymap->ctx, value, &datum))
1091 return ReportMismatch(keymap, action->type, field, "integer");
1093 if (datum < 0 || datum > 255) {
1094 log_err(keymap->ctx,
1095 "All data for a private action must be 0..255; "
1096 "Illegal datum %d ignored\n", datum);
1100 action->data[ndx] = (uint8_t) datum;
1105 return ReportIllegal(keymap, PrivateAction, field);
1108 typedef bool (*actionHandler)(struct xkb_keymap *keymap,
1109 struct xkb_any_action *action, unsigned field,
1110 ExprDef *array_ndx, ExprDef *value);
1112 static const actionHandler handleAction[XkbSA_NumActions + 1] = {
1113 [XkbSA_NoAction] = HandleNoAction,
1114 [XkbSA_SetMods] = HandleSetLatchMods,
1115 [XkbSA_LatchMods] = HandleSetLatchMods,
1116 [XkbSA_LockMods] = HandleLockMods,
1117 [XkbSA_SetGroup] = HandleSetLatchGroup,
1118 [XkbSA_LatchGroup] = HandleSetLatchGroup,
1119 [XkbSA_LockGroup] = HandleLockGroup,
1120 [XkbSA_MovePtr] = HandleMovePtr,
1121 [XkbSA_PtrBtn] = HandlePtrBtn,
1122 [XkbSA_LockPtrBtn] = HandlePtrBtn,
1123 [XkbSA_SetPtrDflt] = HandleSetPtrDflt,
1124 [XkbSA_ISOLock] = HandleISOLock,
1125 [XkbSA_Terminate] = HandleNoAction,
1126 [XkbSA_SwitchScreen] = HandleSwitchScreen,
1127 [XkbSA_SetControls] = HandleSetLockControls,
1128 [XkbSA_LockControls] = HandleSetLockControls,
1129 [XkbSA_ActionMessage] = HandleActionMessage,
1130 [XkbSA_RedirectKey] = HandleRedirectKey,
1131 [XkbSA_DeviceBtn] = HandleDeviceBtn,
1132 [XkbSA_LockDeviceBtn] = HandleDeviceBtn,
1133 [XkbSA_DeviceValuator] = HandleDeviceValuator,
1134 [PrivateAction] = HandlePrivate,
1137 /***====================================================================***/
1140 ApplyActionFactoryDefaults(union xkb_action * action)
1142 if (action->type == XkbSA_SetPtrDflt) { /* increment default button */
1143 action->dflt.affect = XkbSA_AffectDfltBtn;
1144 action->dflt.flags = 0;
1145 action->dflt.value = 1;
1147 else if (action->type == XkbSA_ISOLock) {
1148 action->iso.real_mods = LockMask;
1153 ActionsInit(struct xkb_context *ctx);
1156 HandleActionDef(ExprDef * def,
1157 struct xkb_keymap *keymap,
1158 struct xkb_any_action *action, ActionInfo *info)
1162 unsigned tmp, hndlrType;
1164 if (!actionsInitialized)
1165 ActionsInit(keymap->ctx);
1167 if (def->op != EXPR_ACTION_DECL) {
1168 log_err(keymap->ctx, "Expected an action definition, found %s\n",
1169 exprOpText(def->op));
1172 str = xkb_atom_text(keymap->ctx, def->value.action.name);
1174 log_wsgo(keymap->ctx, "Missing name in action definition!!\n");
1177 if (!stringToAction(str, &tmp)) {
1178 log_err(keymap->ctx, "Unknown action %s\n", str);
1181 action->type = hndlrType = tmp;
1182 if (action->type != XkbSA_NoAction) {
1183 ApplyActionFactoryDefaults((union xkb_action *) action);
1186 if ((info->action == XkbSA_NoAction)
1187 || (info->action == hndlrType)) {
1188 if (!(*handleAction[hndlrType])(keymap, action,
1198 for (arg = def->value.action.args; arg != NULL;
1199 arg = (ExprDef *) arg->common.next) {
1200 ExprDef *field, *value, *arrayRtrn;
1201 const char *elemRtrn, *fieldRtrn;
1204 if (arg->op == EXPR_ASSIGN) {
1205 field = arg->value.binary.left;
1206 value = arg->value.binary.right;
1209 if (arg->op == EXPR_NOT || arg->op == EXPR_INVERT) {
1210 field = arg->value.child;
1211 constFalse.value.str = xkb_atom_intern(keymap->ctx, "false");
1212 value = &constFalse;
1216 constTrue.value.str = xkb_atom_intern(keymap->ctx, "true");
1220 if (!ExprResolveLhs(keymap->ctx, field, &elemRtrn, &fieldRtrn,
1222 return false; /* internal error -- already reported */
1224 if (elemRtrn != NULL) {
1225 log_err(keymap->ctx,
1226 "Cannot change defaults in an action definition; "
1227 "Ignoring attempt to change %s.%s\n",
1228 elemRtrn, fieldRtrn);
1231 if (!stringToField(fieldRtrn, &fieldNdx)) {
1232 log_err(keymap->ctx, "Unknown field name %s\n", fieldRtrn);
1235 if (!handleAction[hndlrType](keymap, action, fieldNdx, arrayRtrn,
1242 /***====================================================================***/
1245 SetActionField(struct xkb_keymap *keymap, const char *elem, const char *field,
1246 ExprDef *array_ndx, ExprDef *value, ActionInfo **info_rtrn)
1248 ActionInfo *new, *old;
1250 if (!actionsInitialized)
1251 ActionsInit(keymap->ctx);
1253 new = malloc(sizeof(*new));
1255 log_wsgo(keymap->ctx, "Couldn't allocate space for action default\n");
1259 if (istreq(elem, "action"))
1260 new->action = XkbSA_NoAction;
1262 if (!stringToAction(elem, &new->action)) {
1266 if (new->action == XkbSA_NoAction) {
1267 log_err(keymap->ctx,
1268 "\"%s\" is not a valid field in a NoAction action\n",
1274 if (!stringToField(field, &new->field)) {
1275 log_err(keymap->ctx, "\"%s\" is not a legal field name\n", field);
1279 new->array_ndx = array_ndx;
1283 while ((old) && (old->next))
1292 /***====================================================================***/
1295 ActionsInit(struct xkb_context *ctx)
1297 if (!actionsInitialized) {
1298 memset(&constTrue, 0, sizeof(constTrue));
1299 memset(&constFalse, 0, sizeof(constFalse));
1300 constTrue.common.type = STMT_EXPR;
1301 constTrue.common.next = NULL;
1302 constTrue.op = EXPR_IDENT;
1303 constTrue.value_type = EXPR_TYPE_BOOLEAN;
1304 constTrue.value.str = xkb_atom_intern(ctx, "true");
1305 constFalse.common.type = STMT_EXPR;
1306 constFalse.common.next = NULL;
1307 constFalse.op = EXPR_IDENT;
1308 constFalse.value_type = EXPR_TYPE_BOOLEAN;
1309 constFalse.value.str = xkb_atom_intern(ctx, "false");
1310 actionsInitialized = 1;
1315 ResizeKeyActions(struct xkb_keymap *keymap, struct xkb_key *key,
1318 size_t old_ndx, old_num_acts, new_ndx;
1321 key->acts_index = 0;
1325 if (XkbKeyHasActions(key) && key->width >= needed)
1326 return XkbKeyActionsPtr(keymap, key);
1329 * The key may already be in the array, but without enough space.
1330 * This should not happen often, so in order to avoid moving and
1331 * copying stuff from acts and key_acts, we just allocate new
1332 * space for the key at the end, and leave the old space alone.
1335 old_ndx = key->acts_index;
1336 old_num_acts = XkbKeyNumActions(key);
1337 new_ndx = darray_size(keymap->acts);
1339 darray_resize0(keymap->acts, new_ndx + needed);
1340 key->acts_index = new_ndx;
1343 * The key was already in the array, copy the old actions to the
1347 memcpy(darray_mem(keymap->acts, new_ndx),
1348 darray_mem(keymap->acts, old_ndx),
1349 old_num_acts * sizeof(union xkb_action));
1351 return XkbKeyActionsPtr(keymap, key);