1XkbKeyGroupInfo(3) XKB FUNCTIONS XkbKeyGroupInfo(3)
2
6 XkbKeyGroupInfo - Returns the number of groups of symbols bound to the
7 key corresponding to keycode
8
10 unsigned char XkbKeyGroupInfo (XkbDescPtr xkb, KeyCode keycode);
11
13 - xkb Xkb description of interest
14 - keycode
16 keycode of interest
17
19 The group_info field of an XkbSymMapRec is an encoded value containing
20 the number of groups of symbols bound to the key as well as the speci‐
21 fication of the treatment of out-of-range groups. It is legal for a key
22 to have zero groups, in which case it also has zero symbols and all
23 events from that key yield NoSymbol. To obtain the number of groups of
24 symbols bound to the key, use XkbKeyNumGroups. To change the number of
25 groups bound to a key, use XkbChangeTypesOfKey. To obtain a mask that
26 determines the treatment of out-of-range groups, use XkbKeyGroupInfo
27 and XkbOutOfRangeGroupInfo.
28 The keyboard controls contain a groups_wrap field specifying the han‐
30 dling of illegal groups on a global basis. That is, when the user per‐
31 forms an action causing the effective group to go out of the legal
32 range, the groups_wrap field specifies how to normalize the effective
33 keyboard group to a group that is legal for the keyboard as a whole,
34 but there is no guarantee that the normalized group will be within the
35 range of legal groups for any individual key. The per-key group_info
36 field specifies how a key treats a legal effective group if the key
37 does not have a type specified for the group of concern. For example,
38 the Enter key usually has just one group defined. If the user performs
39 an action causing the global keyboard group to change to Group2, the
40 group_info field for the Enter key describes how to handle this situa‐
41 tion.
42 Out-of-range groups for individual keys are mapped to a legal group
44 using the same options as are used for the overall keyboard group. The
45 particular type of mapping used is controlled by the bits set in the
46 group_info flag, as shown in Table 1.
47 Table 1 group_info Range Normalization
49 ──────────────────────────────────────────────
50 Bits set in group_info Normalization method
51 ──────────────────────────────────────────────
52 XkbRedirectIntoRange XkbRedirectIntoRange
53 XkbClampIntoRange XkbClampIntoRange
54 none of the above XkbWrapIntoRange
55 XkbKeyGroupInfo returns the group_info field from the XkbSymMapRec
57 structure associated with the key corresponding to keycode.
58
60 The KeySymMapRec structure is defined as follows:
61 #define XkbNumKbdGroups 4
63 #define XkbMaxKbdGroup (XkbNumKbdGroups-1)
64 typedef struct { /∗ map to keysyms for a single keycode */
66 unsigned char kt_index[XkbNumKbdGroups]; /∗ key type index for each group */
67 unsigned char group_info; /∗ # of groups and out of range group handling */
68 unsigned char width; /∗ max # of shift levels for key */
69 unsigned short offset; /∗ index to keysym table in syms array */
70 } XkbSymMapRec, *XkbSymMapPtr;
71 The XkbControlsRec structure is defined as follows:
74 #define XkbMaxLegalKeyCode 255
76 #define XkbPerKeyBitArraySize ((XkbMaxLegalKeyCode+1)/8)
77 typedef struct {
79 unsigned char mk_dflt_btn; /∗ default button for keyboard driven mouse */
80 unsigned char num_groups; /∗ number of keyboard groups */
81 unsigned char groups_wrap; /∗ how to wrap out-of-bounds groups */
82 XkbModsRec internal; /∗ defines server internal modifiers */
83 XkbModsRec ignore_lock; /∗ modifiers to ignore when checking for grab */
84 unsigned int enabled_ctrls; /∗ 1 bit => corresponding boolean control enabled */
85 unsigned short repeat_delay; /∗ ms delay until first repeat */
86 unsigned short repeat_interval; /∗ ms delay between repeats */
87 unsigned short slow_keys_delay; /∗ ms minimum time key must be down to be ok */
88 unsigned short debounce_delay; /∗ ms delay before key reactivated */
89 unsigned short mk_delay; /∗ ms delay to second mouse motion event */
90 unsigned short mk_interval; /∗ ms delay between repeat mouse events */
91 unsigned short mk_time_to_max; /∗ # intervals until constant mouse move */
92 unsigned short mk_max_speed; /∗ multiplier for maximum mouse speed */
93 short mk_curve; /∗ determines mouse move curve type */
94 unsigned short ax_options; /∗ 1 bit => Access X option enabled */
95 unsigned short ax_timeout; /∗ seconds until Access X disabled */
96 unsigned short axt_opts_mask; /∗ 1 bit => options to reset on Access X timeout */
97 unsigned short axt_opts_values; /∗ 1 bit => turn option on, 0=> off */
98 unsigned int axt_ctrls_mask; /∗ which bits in enabled_ctrls to modify */
99 unsigned int axt_ctrls_values; /∗ values for new bits in enabled_ctrls */
100 unsigned char per_key_repeat[XkbPerKeyBitArraySize]; /∗ per key auto repeat */
101 } XkbControlsRec, *XkbControlsPtr;
102 The XkbControlsRec structure is defined as follows:
104 #define XkbMaxLegalKeyCode 255
106 #define XkbPerKeyBitArraySize ((XkbMaxLegalKeyCode+1)/8)
107 typedef struct {
109 unsigned char mk_dflt_btn; /∗ default button for keyboard driven mouse */
110 unsigned char num_groups; /∗ number of keyboard groups */
111 unsigned char groups_wrap; /∗ how to wrap out-of-bounds groups */
112 XkbModsRec internal; /∗ defines server internal modifiers */
113 XkbModsRec ignore_lock; /∗ modifiers to ignore when checking for grab */
114 unsigned int enabled_ctrls; /∗ 1 bit => corresponding boolean control enabled */
115 unsigned short repeat_delay; /∗ ms delay until first repeat */
116 unsigned short repeat_interval; /∗ ms delay between repeats */
117 unsigned short slow_keys_delay; /∗ ms minimum time key must be down to be ok */
118 unsigned short debounce_delay; /∗ ms delay before key reactivated */
119 unsigned short mk_delay; /∗ ms delay to second mouse motion event */
120 unsigned short mk_interval; /∗ ms delay between repeat mouse events */
121 unsigned short mk_time_to_max; /∗ # intervals until constant mouse move */
122 unsigned short mk_max_speed; /∗ multiplier for maximum mouse speed */
123 short mk_curve; /∗ determines mouse move curve type */
124 unsigned short ax_options; /∗ 1 bit => Access X option enabled */
125 unsigned short ax_timeout; /∗ seconds until Access X disabled */
126 unsigned short axt_opts_mask; /∗ 1 bit => options to reset on Access X timeout */
127 unsigned short axt_opts_values; /∗ 1 bit => turn option on, 0=> off */
128 unsigned int axt_ctrls_mask; /∗ which bits in enabled_ctrls to modify */
129 unsigned int axt_ctrls_values; /∗ values for new bits in enabled_ctrls */
130 unsigned char per_key_repeat[XkbPerKeyBitArraySize]; /∗ per key auto repeat */
131 } XkbControlsRec, *XkbControlsPtr;
132
134 XkbChangeTypesOfKey(3), XkbKeyGroupInfo(3), XkbOutOfRangeGroupInfo(3)
135X Version 11 libX11 1.6.9 XkbKeyGroupInfo(3)