| 1 | /*
|
|---|
| 2 | * Copyright (c) 2023 Jiri Svoboda
|
|---|
| 3 | * All rights reserved.
|
|---|
| 4 | *
|
|---|
| 5 | * Redistribution and use in source and binary forms, with or without
|
|---|
| 6 | * modification, are permitted provided that the following conditions
|
|---|
| 7 | * are met:
|
|---|
| 8 | *
|
|---|
| 9 | * - Redistributions of source code must retain the above copyright
|
|---|
| 10 | * notice, this list of conditions and the following disclaimer.
|
|---|
| 11 | * - Redistributions in binary form must reproduce the above copyright
|
|---|
| 12 | * notice, this list of conditions and the following disclaimer in the
|
|---|
| 13 | * documentation and/or other materials provided with the distribution.
|
|---|
| 14 | * - The name of the author may not be used to endorse or promote products
|
|---|
| 15 | * derived from this software without specific prior written permission.
|
|---|
| 16 | *
|
|---|
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|---|
| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|---|
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|---|
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|---|
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|---|
| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|---|
| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|---|
| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|---|
| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|---|
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|---|
| 27 | */
|
|---|
| 28 |
|
|---|
| 29 | /** @addtogroup input
|
|---|
| 30 | * @{
|
|---|
| 31 | */
|
|---|
| 32 | /**
|
|---|
| 33 | * @file
|
|---|
| 34 | * @brief Stroke simulator.
|
|---|
| 35 | *
|
|---|
| 36 | * When simulating a keyboard using a serial TTY we need to convert the
|
|---|
| 37 | * recognized strokes (such as Shift-A) to sequences of key presses and
|
|---|
| 38 | * releases (such as 'press Shift, press A, release A, release Shift').
|
|---|
| 39 | *
|
|---|
| 40 | */
|
|---|
| 41 |
|
|---|
| 42 | #include <io/console.h>
|
|---|
| 43 | #include <io/keycode.h>
|
|---|
| 44 | #include "stroke.h"
|
|---|
| 45 | #include "kbd.h"
|
|---|
| 46 |
|
|---|
| 47 | /** Correspondence between modifers and the modifier keycodes. */
|
|---|
| 48 | static unsigned int mods_keys[][2] = {
|
|---|
| 49 | { KM_LALT, KC_LALT },
|
|---|
| 50 | { KM_LSHIFT, KC_LSHIFT },
|
|---|
| 51 | { KM_LCTRL, KC_LCTRL },
|
|---|
| 52 | { 0, 0 }
|
|---|
| 53 | };
|
|---|
| 54 |
|
|---|
| 55 | /** Simulate keystroke using sequences of key presses and releases. */
|
|---|
| 56 | void stroke_sim(kbd_dev_t *kdev, unsigned mod, unsigned key)
|
|---|
| 57 | {
|
|---|
| 58 | int i;
|
|---|
| 59 |
|
|---|
| 60 | /* Simulate modifier presses. */
|
|---|
| 61 | i = 0;
|
|---|
| 62 | while (mods_keys[i][0] != 0) {
|
|---|
| 63 | if (mod & mods_keys[i][0]) {
|
|---|
| 64 | kbd_push_event(kdev, KEY_PRESS, mods_keys[i][1]);
|
|---|
| 65 | }
|
|---|
| 66 | ++i;
|
|---|
| 67 | }
|
|---|
| 68 |
|
|---|
| 69 | /* Simulate key press and release. */
|
|---|
| 70 | if (key != 0) {
|
|---|
| 71 | kbd_push_event(kdev, KEY_PRESS, key);
|
|---|
| 72 | kbd_push_event(kdev, KEY_RELEASE, key);
|
|---|
| 73 | }
|
|---|
| 74 |
|
|---|
| 75 | /* Simulate modifier releases. */
|
|---|
| 76 | i = 0;
|
|---|
| 77 | while (mods_keys[i][0] != 0) {
|
|---|
| 78 | if (mod & mods_keys[i][0]) {
|
|---|
| 79 | kbd_push_event(kdev, KEY_RELEASE, mods_keys[i][1]);
|
|---|
| 80 | }
|
|---|
| 81 | ++i;
|
|---|
| 82 | }
|
|---|
| 83 | }
|
|---|
| 84 |
|
|---|
| 85 | /**
|
|---|
| 86 | * @}
|
|---|
| 87 | */
|
|---|
