| 1 | /*
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| 2 | * Copyright (c) 2011 Jiri Svoboda
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | /** @addtogroup input
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| 30 | * @{
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| 31 | */
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| 32 | /**
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| 33 | * @file
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| 34 | * @brief Stroke simulator.
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| 35 | *
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| 36 | * When simulating a keyboard using a serial TTY we need to convert the
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| 37 | * recognized strokes (such as Shift-A) to sequences of key presses and
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| 38 | * releases (such as 'press Shift, press A, release A, release Shift').
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| 39 | *
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| 40 | */
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| 41 |
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| 42 | #include <stroke.h>
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| 43 | #include <kbd.h>
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| 44 | #include <io/console.h>
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| 45 | #include <io/keycode.h>
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| 46 |
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| 47 | /** Correspondence between modifers and the modifier keycodes. */
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| 48 | static unsigned int mods_keys[][2] = {
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| 49 | { KM_LSHIFT, KC_LSHIFT },
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| 50 | { 0, 0 }
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| 51 | };
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| 52 |
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| 53 | /** Simulate keystroke using sequences of key presses and releases. */
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| 54 | void stroke_sim(kbd_dev_t *kdev, unsigned mod, unsigned key)
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| 55 | {
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| 56 | int i;
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| 57 |
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| 58 | /* Simulate modifier presses. */
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| 59 | i = 0;
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| 60 | while (mods_keys[i][0] != 0) {
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| 61 | if (mod & mods_keys[i][0]) {
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| 62 | kbd_push_event(kdev, KEY_PRESS, mods_keys[i][1]);
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| 63 | }
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| 64 | ++i;
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| 65 | }
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| 66 |
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| 67 | /* Simulate key press and release. */
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| 68 | if (key != 0) {
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| 69 | kbd_push_event(kdev, KEY_PRESS, key);
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| 70 | kbd_push_event(kdev, KEY_RELEASE, key);
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| 71 | }
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| 72 |
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| 73 | /* Simulate modifier releases. */
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| 74 | i = 0;
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| 75 | while (mods_keys[i][0] != 0) {
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| 76 | if (mod & mods_keys[i][0]) {
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| 77 | kbd_push_event(kdev, KEY_RELEASE, mods_keys[i][1]);
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| 78 | }
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| 79 | ++i;
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| 80 | }
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| 81 | }
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| 82 |
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| 83 | /**
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| 84 | * @}
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| 85 | */
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