289 lines
6.3 KiB
HTML
289 lines
6.3 KiB
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width">
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<title>GoSmartKeyboard</title>
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<link rel="stylesheet" href="google-code-prettify/prettify.css">
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<link rel="stylesheet" href="styles/prettify-theme.css">
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<script defer src="google-code-prettify/prettify.js"></script>
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<script defer src="google-code-prettify/run_prettify.js"></script>
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<link rel="stylesheet" href="styles/main.css">
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</head>
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<!-- Generated by srcweave https://github.com/justinmeiners/srcweave -->
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<h1>Raw Capture<a id="c25"></a></h1>
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<p>This tool captures keyboard input from /dev/input/eventX and pipes it to the fifo accordingly.</p>
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<p>An escape sequence of <code>qkeyboard</code> (QWERTY) will exit the program, but this can be changed via a command line argument.</p>
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<h2>1. Why<a id="s25:0"></a></h2>
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<p>This mode is especially useful for workflows with a lot of keyboard shortcuts or use of modifier keys, for example i3wm.</p>
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<p>Generally a user would be in this mode when not typing extensively.</p>
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<h1>Entrypoint<a id="c26"></a></h1>
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<div class="code-block">
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<span class="block-header">
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<strong class="block-title"><em><a id="-tools-rawcapture-rawcapture.py-block-89" href="#-tools-rawcapture-rawcapture.py-block-89">/tools/rawcapture/rawcapture.py</a></em></strong></span>
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<pre class="prettyprint"><code class="">#!/usr/bin/python3
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# This tool adapted from https://github.com/whizse/exclusive-keyboard-access by Sven Arvidsson
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import os
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import sys
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import evdev
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import traceback
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import queue
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import threading
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# Docs http://python-evdev.readthedocs.io/en/latest/tutorial.html
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device = ""
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fifo = os.getenv("KEYBOARD_FIFO", "")
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if not fifo:
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print("KEYBOARD_FIFO not set, exiting.")
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exit(0)
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try:
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dev_path = sys.argv[1]
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try:
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device = evdev.InputDevice(dev_path)
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except PermissionError:
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print("Insufficent permission to read, run me as root!")
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exit(0)
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except IndexError:
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foundDev = []
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allDev = [evdev.InputDevice(dev) for dev in evdev.list_devices()]
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if len(allDev) == 0:
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print("No devices found, run me as root!")
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exit(0)
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print("Found the following USB input devices: ")
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count = 0
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for device in allDev:
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if "usb" in device.phys:
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count += 1
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foundDev.append(device)
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print(str(count) + ". " + device.name, device.fn)
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print("Select a device (1 to %s)" % str(len(foundDev)), end=" ")
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i = int(input())
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i -= 1
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device = foundDev[i]
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print("Using device " + device.fn)
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print("Grabbing device for exclusive access.")
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device.grab()
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write_queue = queue.Queue()
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def write_loop():
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backlog = []
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while True:
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try:
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while backlog:
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with open(fifo, "w") as f:
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f.write(backlog.pop(0))
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data = write_queue.get()
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with open(fifo, "w") as f:
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f.write(data)
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except Exception as e:
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print("Error writing to fifo: " + str(e))
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traceback.print_exc()
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backlog
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write_thread = threading.Thread(target=write_loop, daemon=True)
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write_thread.start()
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KEYMAP = {
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1: "ESC",
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2: "1",
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3: "2",
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4: "3",
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5: "4",
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6: "5",
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7: "6",
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8: "7",
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9: "8",
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10: "9",
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11: "0",
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12: "-",
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13: "=",
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14: "BS",
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15: "TAB",
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16: "Q",
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17: "W",
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18: "E",
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19: "R",
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20: "T",
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21: "Y",
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22: "U",
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23: "I",
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24: "O",
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25: "P",
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26: "[",
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27: "]",
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28: "ENTER",
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29: "L_CTRL",
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30: "A",
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31: "S",
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32: "D",
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33: "F",
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34: "G",
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35: "H",
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36: "J",
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37: "K",
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38: "L",
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39: ";",
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40: "'",
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41: "`",
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42: "L_SHIFT",
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43: "\\",
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44: "Z",
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45: "X",
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46: "C",
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47: "V",
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48: "B",
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49: "N",
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50: "M",
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51: ",",
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52: ".",
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53: "/",
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54: "R_SHIFT",
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55: "*",
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56: "L_ALT",
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57: "SPACE",
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58: "CAPS_LOCK",
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59: "F1",
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60: "F2",
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61: "F3",
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62: "F4",
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63: "F5",
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64: "F6",
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65: "F7",
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66: "F8",
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67: "F9",
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68: "F10",
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69: "NUM_LOCK",
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70: "SCROLL_LOCK",
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71: "HOME",
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72: "UP_8",
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73: "PGUP_9",
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74: "-",
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75: "LEFT_4",
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76: "5",
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77: "RT_ARROW_6",
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78: "+",
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79: "END_1",
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80: "DOWN",
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81: "PGDN_3",
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82: "INS",
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83: "DEL",
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84: "",
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85: "",
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86: "",
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87: "F11",
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88: "F12",
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89: "",
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90: "",
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91: "",
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92: "",
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93: "",
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94: "",
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95: "",
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96: "R_ENTER",
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97: "R_CTRL",
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98: "/",
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99: "PRT_SCR",
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100: "R_ALT",
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101: "",
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102: "HOME",
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103: "UP",
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104: "PGUP",
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105: "LEFT",
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106: "RIGHT",
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107: "END",
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108: "DOWN",
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109: "PGDN",
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110: "INSERT",
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111: "DEL",
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112: "",
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113: "",
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114: "",
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115: "",
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116: "",
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117: "",
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118: "",
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119: "PAUSE",
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120: "",
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121: "",
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122: "",
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123: "",
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124: "",
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125: "SUPER"
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}
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key_str = ""
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log = []
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quit_str = "QKEYBOARD"
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quit_list = []
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for c in quit_str:
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for k, v in KEYMAP.items():
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if v == c:
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quit_list.append(k)
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break
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def quit_if_necessry(log):
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if len(log) > len(quit_list):
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log.pop(0)
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if log == quit_list:
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print("Quitting...")
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raise SystemExit
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try:
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for event in device.read_loop():
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if event.type == evdev.ecodes.EV_KEY:
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if event:
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print(event)
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#e_code = event.code - 1
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e_code = event.code
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try:
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key_str = KEYMAP[e_code]
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except KeyError:
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print("Unknown key: " + str(e_code))
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if event.value == 1:
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key_str = "{KEYDWN}" + key_str
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log.append(e_code)
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quit_if_necessry(log)
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elif event.value == 0:
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key_str = "{KEYUP}" + key_str
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elif event.value == 2:
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key_str = "{KEYHLD}" + key_str
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else:
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print("Unknown value: " + str(event.value))
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continue
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write_queue.put(key_str)
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sys.stdout.flush()
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except (KeyboardInterrupt, SystemExit, OSError):
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print(traceback.format_exc())
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device.ungrab()
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print("\rGoodbye!")
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exit(0)
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</code></pre>
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</div>
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</body>
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</html>
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