Shift Parentheses

[tmk]

This implements steve losh's Shift Parentheses, you can input '(' and ')' with tapping left and right shift key.

Save below as unimap_sparen.c in project directory and build like make -f Makefile.unimap KEYMAP=sparen.

QMK counter part: https://github.com/qmk/qmk_firmware/blob/master/docs/feature_space_cadet.md

#include "unimap_trans.h"
#include "action_util.h"
#include "debug.h"


/* id for user defined functions */
enum function_id {
    LSHIFT_LPAREN,
    RSHIFT_RPAREN,
};


#define AC_FN0      ACTION_LAYER_MOMENTARY(1)
#define AC_LSPO     ACTION_FUNCTION_TAP(LSHIFT_LPAREN)
#define AC_RSPC     ACTION_FUNCTION_TAP(RSHIFT_RPAREN)


#ifdef KEYMAP_SECTION_ENABLE
const action_t actionmaps[][UNIMAP_ROWS][UNIMAP_COLS] __attribute__ ((section (".keymap.keymaps"))) = {
#else
const action_t actionmaps[][UNIMAP_ROWS][UNIMAP_COLS] PROGMEM = {
#endif
    UNIMAP(
              F13, F14, F15, F16, F17, F18, F19, F20, F21, F22, F23, F24,
    ESC,      F1,  F2,  F3,  F4,  F5,  F6,  F7,  F8,  F9,  F10, F11, F12,           PSCR,SLCK,PAUS,         VOLD,VOLU,MUTE,
    GRV, 1,   2,   3,   4,   5,   6,   7,   8,   9,   0,   MINS,EQL, JYEN,BSPC,     INS, HOME,PGUP,    NLCK,PSLS,PAST,PMNS,
    TAB, Q,   W,   E,   R,   T,   Y,   U,   I,   O,   P,   LBRC,RBRC,     BSLS,     DEL, END, PGDN,    P7,  P8,  P9,  PPLS,
    CAPS,A,   S,   D,   F,   G,   H,   J,   K,   L,   SCLN,QUOT,     NUHS,ENT,                         P4,  P5,  P6,  PCMM,
    LSPO,NUBS,Z,   X,   C,   V,   B,   N,   M,   COMM,DOT, SLSH,     RO,  RSPC,          UP,           P1,  P2,  P3,  PENT,
    LCTL,LGUI,LALT,MHEN,          SPC,           HENK,KANA,RALT,RGUI,FN0, RCTL,     LEFT,DOWN,RGHT,    P0,       PDOT,PEQL
    ),
    UNIMAP(
              TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,
    GRV,      TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,          TRNS,TRNS,BTLD,         TRNS,TRNS,TRNS,
    ESC, F1,  F2,  F3,  F4,  F5,  F6,  F7,  F8,  F9,  F10, F11, F12, INS, DEL,      TRNS,TRNS,TRNS,    TRNS,TRNS,TRNS,TRNS,
    TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,PSCR,SLCK,PAUS,UP,  INS,      TRNS,     TRNS,TRNS,TRNS,    TRNS,TRNS,TRNS,TRNS,
    TRNS,VOLD,VOLU,MUTE,TRNS,TRNS,TRNS,TRNS,HOME,PGUP,LEFT,RGHT,     TRNS,TRNS,                        TRNS,TRNS,TRNS,TRNS,
    TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,END, PGDN,DOWN,     TRNS,TRNS,          PGUP,         TRNS,TRNS,TRNS,TRNS,
    TRNS,TRNS,TRNS,TRNS,          TRNS,          TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,     HOME,PGDN,END,     TRNS,     TRNS,TRNS
    ),
};



/*
 * user defined action function
 */
void action_function(keyrecord_t *record, uint8_t id, uint8_t opt)
{
/*
    if (record->event.pressed) xprintf("P"); else xprintf("R");
    xprintf("%d", record->tap.count);
    if (record->tap.interrupted) xprintf("i");
    xprintf("\n");
*/

    switch (id) {
        case LSHIFT_LPAREN:
            // Shift/parenthesis: LShft + tap '('
            // http://stevelosh.com/blog/2012/10/a-modern-space-cadet/#shift-parentheses
            // http://geekhack.org/index.php?topic=41989.msg1304899#msg1304899
            if (record->event.pressed) {
                if (record->tap.count > 0 && !record->tap.interrupted) {
                } else {
                    register_mods(MOD_BIT(KC_LSHIFT));
                }
            } else {
                if (record->tap.count > 0 && !(record->tap.interrupted)) {
                    // you may need to change this on other layout than ANSI
                    add_weak_mods(MOD_BIT(KC_LSHIFT));
                    send_keyboard_report();
                    register_code(KC_9);
                    unregister_code(KC_9);
                    del_weak_mods(MOD_BIT(KC_LSHIFT));
                    send_keyboard_report();
                    record->tap.count = 0;  // ad hoc: cancel tap
                } else {
                    unregister_mods(MOD_BIT(KC_LSHIFT));
                }
            }
            break;
        case RSHIFT_RPAREN:
            // Shift/parenthesis: RShft + tap ')'
            if (record->event.pressed) {
                if (record->tap.count > 0 && !record->tap.interrupted) {
                } else {
                    register_mods(MOD_BIT(KC_RSHIFT));
                }
            } else {
                if (record->tap.count > 0 && !record->tap.interrupted) {
                    add_weak_mods(MOD_BIT(KC_RSHIFT));
                    send_keyboard_report();
                    register_code(KC_0);
                    unregister_code(KC_0);
                    del_weak_mods(MOD_BIT(KC_RSHIFT));
                    send_keyboard_report();
                    record->tap.count = 0;  // ad hoc: cancel tap
                } else {
                    unregister_mods(MOD_BIT(KC_RSHIFT));
                }
            }
            break;
    }
}

[sfranky]

many thanks, this works like a charm!!