| 1 | /* |
| 2 | * This file is part of the libCEC(R) library. |
| 3 | * |
| 4 | * libCEC(R) is Copyright (C) 2011-2012 Pulse-Eight Limited. All rights reserved. |
| 5 | * libCEC(R) is an original work, containing original code. |
| 6 | * |
| 7 | * libCEC(R) is a trademark of Pulse-Eight Limited. |
| 8 | * |
| 9 | * This program is dual-licensed; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License as published by |
| 11 | * the Free Software Foundation; either version 2 of the License, or |
| 12 | * (at your option) any later version. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License |
| 20 | * along with this program; if not, write to the Free Software |
| 21 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 22 | * |
| 23 | * |
| 24 | * Alternatively, you can license this library under a commercial license, |
| 25 | * please contact Pulse-Eight Licensing for more information. |
| 26 | * |
| 27 | * For more information contact: |
| 28 | * Pulse-Eight Licensing <license@pulse-eight.com> |
| 29 | * http://www.pulse-eight.com/ |
| 30 | * http://www.pulse-eight.net/ |
| 31 | */ |
| 32 | |
| 33 | using System.Collections.Generic; |
| 34 | using System; |
| 35 | using System.Globalization; |
| 36 | using System.Text; |
| 37 | |
| 38 | namespace LibCECTray.controller.applications |
| 39 | { |
| 40 | class KeyInput : ApplicationAction |
| 41 | { |
| 42 | public KeyInput(ApplicationController controller) : |
| 43 | base(controller, ActionType.SendKey) |
| 44 | { |
| 45 | } |
| 46 | |
| 47 | public KeyInput(ApplicationController controller, WindowsAPI.VirtualKeyCode keyCode) : |
| 48 | base(controller, ActionType.SendKey) |
| 49 | { |
| 50 | AddKey(keyCode); |
| 51 | } |
| 52 | |
| 53 | public static ApplicationAction FromString(ApplicationController controller, string value) |
| 54 | { |
| 55 | KeyInput retVal = new KeyInput(controller); |
| 56 | var split = value.Trim().Split(' '); |
| 57 | foreach (var item in split) |
| 58 | { |
| 59 | var param = retVal.GetParameterFromString(item); |
| 60 | ushort iValue; |
| 61 | if (ushort.TryParse(param, NumberStyles.AllowHexSpecifier, null, out iValue)) |
| 62 | retVal.AddKey((WindowsAPI.VirtualKeyCode)iValue); |
| 63 | } |
| 64 | return retVal; |
| 65 | } |
| 66 | |
| 67 | public int KeyCount |
| 68 | { |
| 69 | get |
| 70 | { |
| 71 | int count = 0; |
| 72 | foreach (var input in _input) |
| 73 | if (input.Data.Keyboard.Flags == 0) |
| 74 | count++; |
| 75 | return count; |
| 76 | } |
| 77 | } |
| 78 | |
| 79 | public override string AsString() |
| 80 | { |
| 81 | StringBuilder sb = new StringBuilder(); |
| 82 | foreach (var input in _input) |
| 83 | { |
| 84 | if (input.Data.Keyboard.Flags == 0) |
| 85 | sb.AppendFormat("{0}({1:X}) ", TypePrefix, input.Data.Keyboard.KeyCode); |
| 86 | } |
| 87 | return sb.ToString().Trim(); |
| 88 | } |
| 89 | |
| 90 | public override string AsFriendlyString() |
| 91 | { |
| 92 | StringBuilder sb = new StringBuilder(); |
| 93 | bool bMultipleKeys = KeyCount > 1; |
| 94 | foreach (var input in _input) |
| 95 | { |
| 96 | if (input.Data.Keyboard.Flags == 0) |
| 97 | { |
| 98 | sb.AppendFormat(bMultipleKeys ? "[{0}] " : "{0} ", |
| 99 | WindowsAPI.GetVirtualKeyName((WindowsAPI.VirtualKeyCode) input.Data.Keyboard.KeyCode)); |
| 100 | } |
| 101 | } |
| 102 | return sb.ToString().Trim(); |
| 103 | } |
| 104 | |
| 105 | public int Size() |
| 106 | { |
| 107 | return _input.Count; |
| 108 | } |
| 109 | |
| 110 | public override bool Empty() |
| 111 | { |
| 112 | return _input.Count == 0; |
| 113 | } |
| 114 | |
| 115 | public override bool CanAppend(ApplicationAction value) |
| 116 | { |
| 117 | return (value.ActionType == ActionType.SendKey); |
| 118 | } |
| 119 | |
| 120 | public override ApplicationAction Append(ApplicationAction value) |
| 121 | { |
| 122 | if (value.ActionType == ActionType.SendKey) |
| 123 | AddKey(value as KeyInput); |
| 124 | |
| 125 | return this; |
| 126 | } |
| 127 | |
| 128 | public WindowsAPI.Input[] ToArray() |
| 129 | { |
| 130 | return _input.ToArray(); |
| 131 | } |
| 132 | |
| 133 | public void AddKey(WindowsAPI.VirtualKeyCode keyCode) |
| 134 | { |
| 135 | AddKeyDown(keyCode); |
| 136 | AddKeyUp(keyCode); |
| 137 | } |
| 138 | |
| 139 | private void AddKeyDown(WindowsAPI.VirtualKeyCode keyCode) |
| 140 | { |
| 141 | var key = new WindowsAPI.Input { |
| 142 | Type = WindowsAPI.InputType.Keyboard, |
| 143 | Data = { |
| 144 | Keyboard = new WindowsAPI.KeyboardInput { |
| 145 | KeyCode = (UInt16) keyCode, |
| 146 | Scan = 0, |
| 147 | Flags = 0, |
| 148 | Time = 0, |
| 149 | ExtraInfo = IntPtr.Zero |
| 150 | } |
| 151 | } |
| 152 | }; |
| 153 | |
| 154 | _input.Add(key); |
| 155 | } |
| 156 | |
| 157 | private void AddKeyUp(WindowsAPI.VirtualKeyCode keyCode) |
| 158 | { |
| 159 | var key = new WindowsAPI.Input { |
| 160 | Type = WindowsAPI.InputType.Keyboard, |
| 161 | Data = { |
| 162 | Keyboard = new WindowsAPI.KeyboardInput { |
| 163 | KeyCode = (UInt16) keyCode, |
| 164 | Scan = 0, |
| 165 | Flags = (uint)WindowsAPI.KeyEvent.KeyUp, |
| 166 | Time = 0, |
| 167 | ExtraInfo = IntPtr.Zero |
| 168 | } |
| 169 | } |
| 170 | }; |
| 171 | |
| 172 | _input.Add(key); |
| 173 | } |
| 174 | |
| 175 | public KeyInput AddKey(KeyInput input) |
| 176 | { |
| 177 | if (input != null) |
| 178 | { |
| 179 | foreach (var item in input._input) |
| 180 | _input.Add(item); |
| 181 | } |
| 182 | return this; |
| 183 | } |
| 184 | |
| 185 | public override bool Transmit(IntPtr windowHandle) |
| 186 | { |
| 187 | var inputAr = ToArray(); |
| 188 | if (inputAr.Length == 0) |
| 189 | return false; |
| 190 | |
| 191 | try |
| 192 | { |
| 193 | return WindowsAPI.SendInputTo(windowHandle, (uint) inputAr.Length, inputAr, |
| 194 | System.Runtime.InteropServices.Marshal.SizeOf(typeof (WindowsAPI.Input))); |
| 195 | } |
| 196 | catch (Exception e) |
| 197 | { |
| 198 | Console.Error.WriteLine(e.Message); |
| 199 | return false; |
| 200 | } |
| 201 | } |
| 202 | |
| 203 | public ApplicationAction RemoveItem(int index) |
| 204 | { |
| 205 | //both keyup and keydown |
| 206 | if (index * 2 + 1 < _input.Count) |
| 207 | { |
| 208 | _input.RemoveAt(index * 2); |
| 209 | _input.RemoveAt(index * 2); |
| 210 | } |
| 211 | return this; |
| 212 | } |
| 213 | |
| 214 | public override ApplicationAction RemoveKey(int index) |
| 215 | { |
| 216 | var current = 0; |
| 217 | var item = 0; |
| 218 | foreach (var input in _input) |
| 219 | { |
| 220 | if (input.Data.Keyboard.Flags == 0) |
| 221 | { |
| 222 | var tmp = string.Format(KeyCount > 1 ? "[{0}] " : "{0} ", |
| 223 | WindowsAPI.GetVirtualKeyName((WindowsAPI.VirtualKeyCode) input.Data.Keyboard.KeyCode)); |
| 224 | current += tmp.Length + 1; |
| 225 | if (index <= current) |
| 226 | return RemoveItem(item); |
| 227 | item++; |
| 228 | } |
| 229 | } |
| 230 | |
| 231 | return this; |
| 232 | } |
| 233 | |
| 234 | private readonly List<WindowsAPI.Input> _input = new List<WindowsAPI.Input>(); |
| 235 | } |
| 236 | } |