qmk_firmware/quantum/pointing_device/pointing_device_auto_mouse.c
Alabastard-64 7c1797f52f
[Core] Pointing Device Automatic Mouse Layer (#17962)
Co-authored-by: Drashna Jaelre <drashna@live.com>
Co-authored-by: Stefan Kerkmann <karlk90@pm.me>
2022-09-23 23:43:55 -07:00

384 lines
14 KiB
C

/* Copyright 2021 Christopher Courtney, aka Drashna Jael're (@drashna) <drashna@live.com>
* Copyright 2022 Alabastard
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifdef POINTING_DEVICE_AUTO_MOUSE_ENABLE
# include "pointing_device_auto_mouse.h"
/* local data structure for tracking auto mouse */
static auto_mouse_context_t auto_mouse_context = {.config.layer = (uint8_t)AUTO_MOUSE_DEFAULT_LAYER};
/* local functions */
static bool is_mouse_record(uint16_t keycode, keyrecord_t* record);
static void auto_mouse_reset(void);
/* check for target layer deactivation overrides */
static inline bool layer_hold_check(void) {
return get_auto_mouse_toggle() ||
# ifndef NO_ACTION_ONESHOT
get_oneshot_layer() == (AUTO_MOUSE_TARGET_LAYER) ||
# endif
false;
}
/* check all layer activation criteria */
static inline bool is_auto_mouse_active(void) {
return auto_mouse_context.status.is_activated || auto_mouse_context.status.mouse_key_tracker || layer_hold_check();
}
/**
* @brief Get auto mouse enable state
*
* Return is_enabled value
*
* @return bool true: auto mouse enabled false: auto mouse disabled
*/
bool get_auto_mouse_enable(void) {
return auto_mouse_context.config.is_enabled;
}
/**
* @brief get current target layer index
*
* NOTE: (AUTO_MOUSE_TARGET_LAYER) is an alias for this function
*
* @return uint8_t target layer index
*/
uint8_t get_auto_mouse_layer(void) {
return auto_mouse_context.config.layer;
}
/**
* @brief get layer_toggled value
*
* @return bool of current layer_toggled state
*/
bool get_auto_mouse_toggle(void) {
return auto_mouse_context.status.is_toggled;
}
/**
* @brief Reset auto mouse context
*
* Clear timers and status
*
* NOTE: this will set is_toggled to false so careful when using it
*/
static void auto_mouse_reset(void) {
memset(&auto_mouse_context.status, 0, sizeof(auto_mouse_context.status));
memset(&auto_mouse_context.timer, 0, sizeof(auto_mouse_context.timer));
}
/**
* @brief Set auto mouse enable state
*
* Set local auto mouse enabled state
*
* @param[in] state bool
*/
void set_auto_mouse_enable(bool enable) {
// skip if unchanged
if (auto_mouse_context.config.is_enabled == enable) return;
auto_mouse_context.config.is_enabled = enable;
auto_mouse_reset();
}
/**
* @brief Change target layer for auto mouse
*
* Sets input as the new target layer if different from current and resets auto mouse
*
* NOTE: remove_auto_mouse_layer(state, false) or auto_mouse_layer_off should be called
* before this function to avoid issues with layers getting stuck
*
* @param[in] layer uint8_t
*/
void set_auto_mouse_layer(uint8_t layer) {
// skip if unchanged
if (auto_mouse_context.config.layer == layer) return;
auto_mouse_context.config.layer = layer;
auto_mouse_reset();
}
/**
* @brief toggle mouse layer setting
*
* Change state of local layer_toggled bool meant to track when the mouse layer is toggled on by other means
*
* NOTE: While is_toggled is true it will prevent deactiving target layer (but not activation)
*/
void auto_mouse_toggle(void) {
auto_mouse_context.status.is_toggled ^= 1;
auto_mouse_context.timer.delay = 0;
}
/**
* @brief Remove current auto mouse target layer from layer state
*
* Will remove auto mouse target layer from given layer state if appropriate.
*
* NOTE: Removal can be forced, ignoring appropriate critera
*
* @params state[in] layer_state_t original layer state
* @params force[in] bool force removal
*
* @return layer_state_t modified layer state
*/
layer_state_t remove_auto_mouse_layer(layer_state_t state, bool force) {
if (force || ((AUTO_MOUSE_ENABLED) && !layer_hold_check())) {
state &= ~((layer_state_t)1 << (AUTO_MOUSE_TARGET_LAYER));
}
return state;
}
/**
* @brief Disable target layer
*
* Will disable target layer if appropriate.
* NOTE: NOT TO BE USED in layer_state_set stack!!!
*/
void auto_mouse_layer_off(void) {
if (layer_state_is((AUTO_MOUSE_TARGET_LAYER)) && (AUTO_MOUSE_ENABLED) && !layer_hold_check()) {
layer_off((AUTO_MOUSE_TARGET_LAYER));
}
}
/**
* @brief Weak function to handel testing if pointing_device is active
*
* Will trigger target layer activation(if delay timer has expired) and prevent deactivation when true.
* May be replaced by bool in report_mouse_t in future
*
* NOTE: defined weakly to allow for changing and adding conditions for specific hardware/customization
*
* @param[in] mouse_report report_mouse_t
* @return bool of pointing_device activation
*/
__attribute__((weak)) bool auto_mouse_activation(report_mouse_t mouse_report) {
return mouse_report.x != 0 || mouse_report.y != 0 || mouse_report.h != 0 || mouse_report.v != 0 || mouse_report.buttons;
}
/**
* @brief Update the auto mouse based on mouse_report
*
* Handel activation/deactivation of target layer based on auto_mouse_activation and state timers and local key/layer tracking data
*
* @param[in] mouse_report report_mouse_t
*/
void pointing_device_task_auto_mouse(report_mouse_t mouse_report) {
// skip if disabled, delay timer running, or debounce
if (!(AUTO_MOUSE_ENABLED) || timer_elapsed(auto_mouse_context.timer.active) <= AUTO_MOUSE_DEBOUNCE || timer_elapsed(auto_mouse_context.timer.delay) <= AUTO_MOUSE_DELAY) {
return;
}
// update activation and reset debounce
auto_mouse_context.status.is_activated = auto_mouse_activation(mouse_report);
if (is_auto_mouse_active()) {
auto_mouse_context.timer.active = timer_read();
auto_mouse_context.timer.delay = 0;
if (!layer_state_is((AUTO_MOUSE_TARGET_LAYER))) {
layer_on((AUTO_MOUSE_TARGET_LAYER));
}
} else if (layer_state_is((AUTO_MOUSE_TARGET_LAYER)) && timer_elapsed(auto_mouse_context.timer.active) > AUTO_MOUSE_TIME) {
layer_off((AUTO_MOUSE_TARGET_LAYER));
auto_mouse_context.timer.active = 0;
}
}
/**
* @brief Handle mouskey event
*
* Increments/decrements mouse_key_tracker and restart active timer
*
* @param[in] pressed bool
*/
void auto_mouse_keyevent(bool pressed) {
if (pressed) {
auto_mouse_context.status.mouse_key_tracker++;
} else {
auto_mouse_context.status.mouse_key_tracker--;
}
auto_mouse_context.timer.delay = 0;
}
/**
* @brief Handle auto mouse non mousekey reset
*
* Start/restart delay timer and reset auto mouse on keydown as well as turn the
* target layer off if on and reset toggle status
*
* NOTE: NOT TO BE USED in layer_state_set stack!!!
*
* @param[in] pressed bool
*/
void auto_mouse_reset_trigger(bool pressed) {
if (pressed) {
if (layer_state_is((AUTO_MOUSE_TARGET_LAYER))) {
layer_off((AUTO_MOUSE_TARGET_LAYER));
};
auto_mouse_reset();
}
auto_mouse_context.timer.delay = timer_read();
}
/**
* @brief handle key events processing for auto mouse
*
* Will process keys differently depending on if key is defined as mousekey or not.
* Some keys have built in behaviour(not overwritable):
* mouse buttons : auto_mouse_keyevent()
* non-mouse keys : auto_mouse_reset_trigger()
* mod keys : skip auto mouse key processing
* mod tap : skip on hold (mod keys)
* QK mods e.g. LCTL(kc): default to non-mouse key, add at kb/user level as needed
* non target layer keys: skip auto mouse key processing (same as mod keys)
* MO(target layer) : auto_mouse_keyevent()
* target layer toggles : auto_mouse_toggle() (on both key up and keydown)
* target layer tap : default processing on tap mouse key on hold
* all other keycodes : default to non-mouse key, add at kb/user level as needed
*
* Will deactivate target layer once a non mouse key is pressed if nothing is holding the layer active
* such as held mousekey, toggled current target layer, or auto_mouse_activation is true
*
* @params keycode[in] uint16_t
* @params record[in] keyrecord_t pointer
*/
bool process_auto_mouse(uint16_t keycode, keyrecord_t* record) {
// skip if not enabled or mouse_layer not set
if (!(AUTO_MOUSE_ENABLED)) return true;
switch (keycode) {
// Skip Mod keys to avoid layer reset
case KC_LEFT_CTRL ... KC_RIGHT_GUI:
case QK_MODS ... QK_MODS_MAX:
break;
// TO((AUTO_MOUSE_TARGET_LAYER))-------------------------------------------------------------------------------
case QK_TO ... QK_TO_MAX: // same proccessing as next
// TG((AUTO_MOUSE_TARGET_LAYER))-------------------------------------------------------------------------------
case QK_TOGGLE_LAYER ... QK_TOGGLE_LAYER_MAX:
if ((keycode & 0xff) == (AUTO_MOUSE_TARGET_LAYER)) {
if (!(record->event.pressed)) auto_mouse_toggle();
}
break;
// MO((AUTO_MOUSE_TARGET_LAYER))-------------------------------------------------------------------------------
case QK_MOMENTARY ... QK_MOMENTARY_MAX:
if ((keycode & 0xff) == (AUTO_MOUSE_TARGET_LAYER)) {
auto_mouse_keyevent(record->event.pressed);
}
// DF ---------------------------------------------------------------------------------------------------------
case QK_DEF_LAYER ... QK_DEF_LAYER_MAX:
# ifndef NO_ACTION_ONESHOT
// OSL((AUTO_MOUSE_TARGET_LAYER))------------------------------------------------------------------------------
case QK_ONE_SHOT_LAYER ... QK_ONE_SHOT_LAYER_MAX:
case QK_ONE_SHOT_MOD ... QK_ONE_SHOT_MOD_MAX:
# endif
break;
// LM((AUTO_MOUSE_TARGET_LAYER), mod)--------------------------------------------------------------------------
case QK_LAYER_MOD ... QK_LAYER_MOD_MAX:
if (((keycode >> 8) & 0x0f) == (AUTO_MOUSE_TARGET_LAYER)) {
auto_mouse_keyevent(record->event.pressed);
}
break;
// TT((AUTO_MOUSE_TARGET_LAYER))---------------------------------------------------------------------------
# ifndef NO_ACTION_TAPPING
case QK_LAYER_TAP_TOGGLE ... QK_LAYER_TAP_TOGGLE_MAX:
if ((keycode & 0xff) == (AUTO_MOUSE_TARGET_LAYER)) {
auto_mouse_keyevent(record->event.pressed);
# if TAPPING_TOGGLE != 0
if (record->tap.count == TAPPING_TOGGLE) {
if (record->event.pressed) {
auto_mouse_context.status.mouse_key_tracker--;
} else {
auto_mouse_toggle();
auto_mouse_context.status.mouse_key_tracker++;
}
}
# endif
}
break;
// LT((AUTO_MOUSE_TARGET_LAYER), kc)---------------------------------------------------------------------------
case QK_LAYER_TAP ... QK_LAYER_TAP_MAX:
if (!record->tap.count) {
if (((keycode >> 8) & 0x0f) == (AUTO_MOUSE_TARGET_LAYER)) {
auto_mouse_keyevent(record->event.pressed);
}
break;
}
// MT(kc) only skip on hold
case QK_MOD_TAP ... QK_MOD_TAP_MAX:
if (!record->tap.count) break;
# endif
// QK_MODS goes to default
default:
// skip on no event
if (IS_NOEVENT(record->event)) break;
// check if keyrecord is mousekey
if (is_mouse_record(keycode, record)) {
auto_mouse_keyevent(record->event.pressed);
} else if (!is_auto_mouse_active()) {
// all non-mousekey presses restart delay timer and reset status
auto_mouse_reset_trigger(record->event.pressed);
}
}
if (auto_mouse_context.status.mouse_key_tracker < 0) {
auto_mouse_context.status.mouse_key_tracker = 0;
dprintf("key tracker error (<0) \n");
}
return true;
}
/**
* @brief Local function to handle checking if a keycode is a mouse button
*
* Starts code stack for checking keyrecord if defined as mousekey
*
* @params keycode[in] uint16_t
* @params record[in] keyrecord_t pointer
* @return bool true: keyrecord is mousekey false: keyrecord is not mousekey
*/
static bool is_mouse_record(uint16_t keycode, keyrecord_t* record) {
// allow for keyboard to hook in and override if need be
if (is_mouse_record_kb(keycode, record) || IS_MOUSEKEY(keycode)) return true;
return false;
}
/**
* @brief Weakly defined keyboard level callback for adding keyrecords as mouse keys
*
* Meant for redefinition at keyboard level and should return is_mouse_record_user by default at end of function
*
* @params keycode[in] uint16_t
* @params record[in] keyrecord_t pointer
* @return bool true: keyrecord is defined as mouse key false: keyrecord is not defined as mouse key
*/
__attribute__((weak)) bool is_mouse_record_kb(uint16_t keycode, keyrecord_t* record) {
return is_mouse_record_user(keycode, record);
}
/**
* @brief Weakly defined keymap/user level callback for adding keyrecords as mouse keys
*
* Meant for redefinition at keymap/user level and should return false by default at end of function
*
* @params keycode[in] uint16_t
* @params record[in] keyrecord_t pointer
* @return bool true: keyrecord is defined as mouse key false: keyrecord is not defined as mouse key
*/
__attribute__((weak)) bool is_mouse_record_user(uint16_t keycode, keyrecord_t* record) {
return false;
}
#endif // POINTING_DEVICE_AUTO_MOUSE_ENABLE