forked from enlightenment/efl
elput: Add APIs to support keyboard key remapping
This patch adds 2 new API functions which can enable keyboard key remapping, and set which keys are to be remapped. @feature Signed-off-by: Chris Michael <cpmichael@osg.samsung.com>
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@ -351,6 +351,34 @@ EAPI void elput_input_pointer_max_set(Elput_Manager *manager, int maxw, int maxh
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*/
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EAPI void elput_input_devices_calibrate(Elput_Manager *manager, int w, int h);
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/**
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* Enable key remap functionality
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*
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* @param manager
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* @param enable
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*
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* @return EINA_TRUE on success, EINA_FALSE otherwise
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*
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* @ingroup Elput_Input_Group
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* @since 1.18
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*/
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EAPI Eina_Bool elput_input_key_remap_enable(Elput_Manager *manager, Eina_Bool enable);
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/**
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* Set a given set of keys as remapped keys
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*
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* @param manager
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* @param from_keys
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* @param to_keys
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* @param num
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*
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* @return EINA_TRUE on success, EINA_FALSE otherwise
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*
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* @ingroup Elput_Input_Group
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* @since 1.18
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*/
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EAPI Eina_Bool elput_input_key_remap_set(Elput_Manager *manager, int *from_keys, int *to_keys, int num);
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# endif
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# undef EAPI
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@ -383,6 +383,20 @@ _keyboard_keymap_update(Elput_Seat *seat)
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_keyboard_modifiers_send(kbd);
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}
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static int
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_keyboard_remapped_key_get(Elput_Device *edev, int code)
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{
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void *ret = NULL;
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if (!edev) return code;
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if (!edev->key_remap) return code;
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if (!edev->key_remap_hash) return code;
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ret = eina_hash_find(edev->key_remap_hash, &code);
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if (ret) code = (int)(intptr_t)ret;
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return code;
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}
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static int
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_keyboard_keysym_translate(xkb_keysym_t keysym, unsigned int modifiers, char *buffer, int bytes)
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{
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@ -456,7 +470,9 @@ _keyboard_key(struct libinput_device *idevice, struct libinput_event_keyboard *e
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((state == LIBINPUT_KEY_STATE_RELEASED) && (count != 0)))
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return;
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code = libinput_event_keyboard_get_key(event) + 8;
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code = libinput_event_keyboard_get_key(event);
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code = _keyboard_remapped_key_get(dev, code) + 8;
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timestamp = libinput_event_keyboard_get_time(event);
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if (state == LIBINPUT_KEY_STATE_PRESSED)
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@ -1280,6 +1296,9 @@ _evdev_device_destroy(Elput_Device *edev)
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libinput_device_unref(edev->device);
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eina_stringshare_del(edev->output_name);
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if (edev->key_remap_hash) eina_hash_free(edev->key_remap_hash);
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free(edev);
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}
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@ -510,3 +510,69 @@ elput_input_devices_calibrate(Elput_Manager *manager, int w, int h)
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}
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}
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}
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EAPI Eina_Bool
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elput_input_key_remap_enable(Elput_Manager *manager, Eina_Bool enable)
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{
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Elput_Seat *eseat;
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Elput_Device *edev;
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Eina_List *l, *ll;
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EINA_SAFETY_ON_NULL_RETURN_VAL(manager, EINA_FALSE);
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EINA_LIST_FOREACH(manager->input.seats, l, eseat)
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{
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EINA_LIST_FOREACH(eseat->devices, ll, edev)
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{
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if (!(edev->caps & EVDEV_SEAT_KEYBOARD)) continue;
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edev->key_remap = enable;
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if ((!enable) && (edev->key_remap_hash))
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{
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eina_hash_free(edev->key_remap_hash);
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edev->key_remap_hash = NULL;
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}
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}
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}
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return EINA_TRUE;
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}
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EAPI Eina_Bool
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elput_input_key_remap_set(Elput_Manager *manager, int *from_keys, int *to_keys, int num)
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{
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Elput_Seat *eseat;
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Elput_Device *edev;
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Eina_List *l, *ll;
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int i = 0;
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EINA_SAFETY_ON_NULL_RETURN_VAL(manager, EINA_FALSE);
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EINA_SAFETY_ON_NULL_RETURN_VAL(from_keys, EINA_FALSE);
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EINA_SAFETY_ON_NULL_RETURN_VAL(to_keys, EINA_FALSE);
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EINA_SAFETY_ON_TRUE_RETURN_VAL((num <= 0), EINA_FALSE);
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EINA_LIST_FOREACH(manager->input.seats, l, eseat)
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{
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EINA_LIST_FOREACH(eseat->devices, ll, edev)
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{
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if (!(edev->caps & EVDEV_SEAT_KEYBOARD)) continue;
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if (!edev->key_remap) continue;
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if (!edev->key_remap_hash)
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edev->key_remap_hash = eina_hash_int32_new(NULL);
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if (!edev->key_remap_hash) continue;
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for (i = 0; i < num; i++)
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{
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if ((!from_keys[i]) || (!to_keys[i]))
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continue;
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}
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for (i = 0; i < num; i++)
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eina_hash_add(edev->key_remap_hash, &from_keys[i],
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(void *)(intptr_t)to_keys[i]);
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}
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}
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return EINA_TRUE;
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}
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@ -217,7 +217,10 @@ struct _Elput_Device
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Elput_Device_Capability caps;
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Eina_Hash *key_remap_hash;
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Eina_Bool left_handed : 1;
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Eina_Bool key_remap : 1;
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};
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struct _Elput_Manager
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