1XkbResizeKeyActions(3) XKB FUNCTIONS XkbResizeKeyActions(3)
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6 XkbResizeKeyActions - Change the number of actions bound to a key
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9 XkbAction * XkbResizeKeyActions (XkbDescRec *xkb, int key, int needed);
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12 - xkb keyboard description to change
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14 - key keycode of key to change
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16 - needed
17 new number of actions required
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20 The xkb parameter points to the keyboard description containing the key
21 whose number of actions is to be changed. The key parameter is the key‐
22 code of the key to change, and needed specifies the new number of
23 actions required for the key.
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25 XkbResizeKeyActions reserves the space needed for the actions and
26 returns a pointer to the beginning of the new array that holds the
27 actions. It can change the acts, num_acts, and size_acts fields of
28 xkb->server if it is necessary to reallocate the acts array.
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30 If needed is greater than the current number of keysyms for the key,
31 XkbResizeKeyActions initializes all new actions in the array to NoAc‐
32 tion.
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34 Because the number of actions needed by a key is normally computed as
35 width * number of groups, and XkbResizeKeyActions does not modify
36 either the width or number of groups for the key, a discrepancy exists
37 on return from XkbResizeKeyActions between the space allocated for the
38 actions and the number required. The unused entries in the list of
39 actions returned by XkbResizeKeyActions are not preserved across future
40 calls to any of the map editing functions, so you must update the key
41 actions (which updates the width and number of groups for the key)
42 before calling another allocator function. A call to XkbChangeType‐
43 sOfKey updates these.
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45 If any allocation errors occur while resizing the number of actions
46 bound to the key, XkbResizeKeyActions returns NULL.
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49 XkbChangeTypesOfKey(3), XkbResizeKeySyms(3)
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52 A change to the number of actions bound to a key should be accompanied
53 by a change in the number of symbols bound to a key. Refer to XkbRe‐
54 sizeKeySyms for more information on changing the number of symbols
55 bound to a key.
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59X Version 11 libX11 1.6.12 XkbResizeKeyActions(3)