 fe18df9d41
			
		
	
	
		fe18df9d41
		
			
		
	
	
	
	
		
			
			* `DYN_REC_START1` -> `QK_DYNAMIC_MACRO_RECORD_START_1` * `DYN_REC_START2` -> `QK_DYNAMIC_MACRO_RECORD_START_2` * `DYN_MACRO_PLAY1` -> `QK_DYNAMIC_MACRO_PLAY_1` * `DYN_MACRO_PLAY2` -> `QK_DYNAMIC_MACRO_PLAY_2` * `DYN_REC_STOP` -> `QK_DYNAMIC_MACRO_RECORD_STOP` * Update docs
		
			
				
	
	
		
			264 lines
		
	
	
	
		
			10 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			264 lines
		
	
	
	
		
			10 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* Copyright 2016 Jack Humbert
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|  *
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|  * This program is free software: you can redistribute it and/or modify
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|  * it under the terms of the GNU General Public License as published by
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|  * the Free Software Foundation, either version 2 of the License, or
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|  * (at your option) any later version.
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|  *
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|  * This program is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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|  * GNU General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU General Public License
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|  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
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|  */
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| 
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| /* Author: Wojciech Siewierski < wojciech dot siewierski at onet dot pl > */
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| #pragma once
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| 
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| /* Warn users that this is now deprecated and they should use the core feature instead. */
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| #pragma message "Dynamic Macros is now a core feature. See updated documentation to see how to configure it: https://docs.qmk.fm/#/feature_dynamic_macros"
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| 
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| #include "action_layer.h"
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| 
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| #ifndef DYNAMIC_MACRO_SIZE
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| /* May be overridden with a custom value. Be aware that the effective
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|  * macro length is half of this value: each keypress is recorded twice
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|  * because of the down-event and up-event. This is not a bug, it's the
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|  * intended behavior.
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|  *
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|  * Usually it should be fine to set the macro size to at least 256 but
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|  * there have been reports of it being too much in some users' cases,
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|  * so 128 is considered a safe default.
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|  */
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| #    define DYNAMIC_MACRO_SIZE 128
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| #endif
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| 
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| /* Blink the LEDs to notify the user about some event. */
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| void dynamic_macro_led_blink(void) {
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| #ifdef BACKLIGHT_ENABLE
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|     backlight_toggle();
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|     wait_ms(100);
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|     backlight_toggle();
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| #endif
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| }
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| 
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| /* Convenience macros used for retrieving the debug info. All of them
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|  * need a `direction` variable accessible at the call site.
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|  */
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| #define DYNAMIC_MACRO_CURRENT_SLOT() (direction > 0 ? 1 : 2)
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| #define DYNAMIC_MACRO_CURRENT_LENGTH(BEGIN, POINTER) ((int)(direction * ((POINTER) - (BEGIN))))
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| #define DYNAMIC_MACRO_CURRENT_CAPACITY(BEGIN, END2) ((int)(direction * ((END2) - (BEGIN)) + 1))
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| 
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| /**
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|  * Start recording of the dynamic macro.
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|  *
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|  * @param[out] macro_pointer The new macro buffer iterator.
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|  * @param[in]  macro_buffer  The macro buffer used to initialize macro_pointer.
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|  */
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| void dynamic_macro_record_start(keyrecord_t **macro_pointer, keyrecord_t *macro_buffer) {
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|     dprintln("dynamic macro recording: started");
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| 
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|     dynamic_macro_led_blink();
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| 
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|     clear_keyboard();
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|     layer_clear();
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|     *macro_pointer = macro_buffer;
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| }
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| 
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| /**
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|  * Play the dynamic macro.
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|  *
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|  * @param macro_buffer[in] The beginning of the macro buffer being played.
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|  * @param macro_end[in]    The element after the last macro buffer element.
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|  * @param direction[in]    Either +1 or -1, which way to iterate the buffer.
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|  */
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| void dynamic_macro_play(keyrecord_t *macro_buffer, keyrecord_t *macro_end, int8_t direction) {
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|     dprintf("dynamic macro: slot %d playback\n", DYNAMIC_MACRO_CURRENT_SLOT());
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| 
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|     uint32_t saved_layer_state = layer_state;
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| 
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|     clear_keyboard();
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|     layer_clear();
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| 
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|     while (macro_buffer != macro_end) {
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|         process_record(macro_buffer);
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|         macro_buffer += direction;
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|     }
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| 
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|     clear_keyboard();
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| 
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|     layer_state = saved_layer_state;
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| }
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| 
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| /**
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|  * Record a single key in a dynamic macro.
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|  *
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|  * @param macro_buffer[in] The start of the used macro buffer.
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|  * @param macro_pointer[in,out] The current buffer position.
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|  * @param macro2_end[in] The end of the other macro.
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|  * @param direction[in]  Either +1 or -1, which way to iterate the buffer.
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|  * @param record[in]     The current keypress.
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|  */
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| void dynamic_macro_record_key(keyrecord_t *macro_buffer, keyrecord_t **macro_pointer, keyrecord_t *macro2_end, int8_t direction, keyrecord_t *record) {
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|     /* If we've just started recording, ignore all the key releases. */
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|     if (!record->event.pressed && *macro_pointer == macro_buffer) {
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|         dprintln("dynamic macro: ignoring a leading key-up event");
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|         return;
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|     }
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| 
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|     /* The other end of the other macro is the last buffer element it
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|      * is safe to use before overwriting the other macro.
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|      */
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|     if (*macro_pointer - direction != macro2_end) {
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|         **macro_pointer = *record;
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|         *macro_pointer += direction;
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|     } else {
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|         dynamic_macro_led_blink();
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|     }
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| 
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|     dprintf("dynamic macro: slot %d length: %d/%d\n", DYNAMIC_MACRO_CURRENT_SLOT(), DYNAMIC_MACRO_CURRENT_LENGTH(macro_buffer, *macro_pointer), DYNAMIC_MACRO_CURRENT_CAPACITY(macro_buffer, macro2_end));
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| }
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| 
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| /**
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|  * End recording of the dynamic macro. Essentially just update the
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|  * pointer to the end of the macro.
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|  */
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| void dynamic_macro_record_end(keyrecord_t *macro_buffer, keyrecord_t *macro_pointer, int8_t direction, keyrecord_t **macro_end) {
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|     dynamic_macro_led_blink();
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| 
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|     /* Do not save the keys being held when stopping the recording,
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|      * i.e. the keys used to access the layer DM_RSTP is on.
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|      */
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|     while (macro_pointer != macro_buffer && (macro_pointer - direction)->event.pressed) {
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|         dprintln("dynamic macro: trimming a trailing key-down event");
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|         macro_pointer -= direction;
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|     }
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| 
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|     dprintf("dynamic macro: slot %d saved, length: %d\n", DYNAMIC_MACRO_CURRENT_SLOT(), DYNAMIC_MACRO_CURRENT_LENGTH(macro_buffer, macro_pointer));
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| 
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|     *macro_end = macro_pointer;
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| }
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| 
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| /* Handle the key events related to the dynamic macros. Should be
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|  * called from process_record_user() like this:
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|  *
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|  *   bool process_record_user(uint16_t keycode, keyrecord_t *record) {
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|  *       if (!process_record_dynamic_macro(keycode, record)) {
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|  *           return false;
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|  *       }
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|  *       <...THE REST OF THE FUNCTION...>
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|  *   }
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|  */
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| bool process_record_dynamic_macro(uint16_t keycode, keyrecord_t *record) {
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|     /* Both macros use the same buffer but read/write on different
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|      * ends of it.
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|      *
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|      * Macro1 is written left-to-right starting from the beginning of
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|      * the buffer.
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|      *
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|      * Macro2 is written right-to-left starting from the end of the
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|      * buffer.
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|      *
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|      * ¯o_buffer   macro_end
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|      *  v                   v
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|      * +------------------------------------------------------------+
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|      * |>>>>>> MACRO1 >>>>>>      <<<<<<<<<<<<< MACRO2 <<<<<<<<<<<<<|
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|      * +------------------------------------------------------------+
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|      *                           ^                                 ^
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|      *                         r_macro_end                  r_macro_buffer
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|      *
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|      * During the recording when one macro encounters the end of the
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|      * other macro, the recording is stopped. Apart from this, there
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|      * are no arbitrary limits for the macros' length in relation to
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|      * each other: for example one can either have two medium sized
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|      * macros or one long macro and one short macro. Or even one empty
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|      * and one using the whole buffer.
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|      */
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|     static keyrecord_t macro_buffer[DYNAMIC_MACRO_SIZE];
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| 
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|     /* Pointer to the first buffer element after the first macro.
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|      * Initially points to the very beginning of the buffer since the
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|      * macro is empty. */
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|     static keyrecord_t *macro_end = macro_buffer;
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| 
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|     /* The other end of the macro buffer. Serves as the beginning of
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|      * the second macro. */
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|     static keyrecord_t *const r_macro_buffer = macro_buffer + DYNAMIC_MACRO_SIZE - 1;
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| 
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|     /* Like macro_end but for the second macro. */
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|     static keyrecord_t *r_macro_end = r_macro_buffer;
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| 
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|     /* A persistent pointer to the current macro position (iterator)
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|      * used during the recording. */
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|     static keyrecord_t *macro_pointer = NULL;
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| 
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|     /* 0   - no macro is being recorded right now
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|      * 1,2 - either macro 1 or 2 is being recorded */
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|     static uint8_t macro_id = 0;
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| 
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|     if (macro_id == 0) {
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|         /* No macro recording in progress. */
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|         if (!record->event.pressed) {
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|             switch (keycode) {
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|                 case QK_DYNAMIC_MACRO_RECORD_START_1:
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|                     dynamic_macro_record_start(¯o_pointer, macro_buffer);
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|                     macro_id = 1;
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|                     return false;
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|                 case QK_DYNAMIC_MACRO_RECORD_START_2:
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|                     dynamic_macro_record_start(¯o_pointer, r_macro_buffer);
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|                     macro_id = 2;
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|                     return false;
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|                 case QK_DYNAMIC_MACRO_PLAY_1:
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|                     dynamic_macro_play(macro_buffer, macro_end, +1);
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|                     return false;
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|                 case QK_DYNAMIC_MACRO_PLAY_2:
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|                     dynamic_macro_play(r_macro_buffer, r_macro_end, -1);
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|                     return false;
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|             }
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|         }
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|     } else {
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|         /* A macro is being recorded right now. */
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|         switch (keycode) {
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|             case QK_DYNAMIC_MACRO_RECORD_STOP:
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|                 /* Stop the macro recording. */
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|                 if (record->event.pressed) { /* Ignore the initial release
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|                                               * just after the recoding
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|                                               * starts. */
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|                     switch (macro_id) {
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|                         case 1:
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|                             dynamic_macro_record_end(macro_buffer, macro_pointer, +1, ¯o_end);
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|                             break;
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|                         case 2:
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|                             dynamic_macro_record_end(r_macro_buffer, macro_pointer, -1, &r_macro_end);
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|                             break;
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|                     }
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|                     macro_id = 0;
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|                 }
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|                 return false;
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|             case QK_DYNAMIC_MACRO_PLAY_1:
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|             case QK_DYNAMIC_MACRO_PLAY_2:
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|                 dprintln("dynamic macro: ignoring macro play key while recording");
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|                 return false;
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|             default:
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|                 /* Store the key in the macro buffer and process it normally. */
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|                 switch (macro_id) {
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|                     case 1:
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|                         dynamic_macro_record_key(macro_buffer, ¯o_pointer, r_macro_end, +1, record);
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|                         break;
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|                     case 2:
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|                         dynamic_macro_record_key(r_macro_buffer, ¯o_pointer, macro_end, -1, record);
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|                         break;
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|                 }
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|                 return true;
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|                 break;
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|         }
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|     }
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| 
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|     return true;
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| }
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| 
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| #undef DYNAMIC_MACRO_CURRENT_SLOT
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| #undef DYNAMIC_MACRO_CURRENT_LENGTH
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| #undef DYNAMIC_MACRO_CURRENT_CAPACITY
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