mcs/class/Managed.Windows.Forms/System.Windows.Forms/SendKeys.cs

   1 // Permission is hereby granted, free of charge, to any person obtaining
   2 // a copy of this software and associated documentation files (the
   3 // "Software"), to deal in the Software without restriction, including
   4 // without limitation the rights to use, copy, modify, merge, publish,
   5 // distribute, sublicense, and/or sell copies of the Software, and to
   6 // permit persons to whom the Software is furnished to do so, subject to
   7 // the following conditions:
   8 //
   9 // The above copyright notice and this permission notice shall be
  10 // included in all copies or substantial portions of the Software.
  11 //
  12 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  13 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  14 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  15 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  16 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  17 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  18 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  19 //
  20 // Copyright (c) 2005 Novell, Inc. (http://www.novell.com)
  21 //
  22 // Authors:
  23 //      Peter Bartok    (pbartok@novell.com)
  24 //
  25 //
  26
  27 // NOT COMPLETE
  28
  29 using System.Collections;
  30
  31 namespace System.Windows.Forms {
  32         public class SendKeys {
  33                 #region Local variables
  34                 private static Queue    keys = new Queue();
  35                 #endregion
  36
  37                 #region Private methods
  38                 private SendKeys() {
  39                 }
  40
  41                 private static IntPtr CharToVKey(char key) {
  42                         // FIXME - build a table to translate between vkeys and chars
  43                         throw new NotImplementedException();
  44                 }
  45
  46                 private static IntPtr SymbolToVKey(string symbol) {
  47                         // FIXME - build a table to translate between vkeys and symbols
  48                         throw new NotImplementedException();
  49                 }
  50
  51                 private static void SendSymbol(IntPtr hwnd, string symbol, int repeat_count, bool down) {
  52                         MSG     msg;
  53
  54                         if (down) {
  55                                 for (int i = 0; i < repeat_count; i++ ) {
  56                                         msg = new MSG();
  57                                         msg.hwnd = hwnd;
  58                                         msg.message = Msg.WM_KEYDOWN;
  59                                         msg.wParam = SymbolToVKey(symbol);
  60                                         msg.lParam = IntPtr.Zero;
  61
  62                                         keys.Enqueue(msg);
  63                                 }
  64                         } else {
  65                                 msg = new MSG();
  66                                 msg.hwnd = hwnd;
  67                                 msg.message = Msg.WM_KEYUP;
  68                                 msg.wParam = SymbolToVKey(symbol);
  69                                 msg.lParam = IntPtr.Zero;
  70
  71                                 keys.Enqueue(msg);
  72                         }
  73                 }
  74
  75                 private static void SendKey(IntPtr hwnd, char key, int repeat_count) {
  76                         MSG     msg;
  77
  78                         for (int i = 0; i < repeat_count; i++ ) {
  79                                 msg = new MSG();
  80                                 msg.hwnd = hwnd;
  81                                 msg.message = Msg.WM_KEYDOWN;
  82                                 msg.wParam = CharToVKey(key);
  83                                 msg.lParam = IntPtr.Zero;
  84
  85                                 keys.Enqueue(msg);
  86                         }
  87
  88                         msg = new MSG();
  89                         msg.hwnd = hwnd;
  90                         msg.message = Msg.WM_KEYUP;
  91                         msg.wParam = CharToVKey(key);
  92                         msg.lParam = IntPtr.Zero;
  93
  94                         keys.Enqueue(msg);
  95                 }
  96
  97                 #endregion      // Private Methods
  98
  99                 #region Public Static Methods
 100                 public static void Flush() {
 101                         MSG msg;
 102
 103                         // FIXME - we only send to our own app, instead of the active app
 104                         while (keys.Count > 0) {
 105                                 msg = (MSG)keys.Dequeue();
 106                                 XplatUI.TranslateMessage (ref msg);
 107                                 XplatUI.DispatchMessage (ref msg);
 108                         }
 109                 }
 110
 111                 [MonoTODO("Finish")]
 112                 public static void Send(string key_string) {
 113                         IntPtr  hwnd;
 114                         int     shift_reset;
 115                         int     control_reset;
 116                         int     alt_reset;
 117
 118                         hwnd = XplatUI.GetActive();
 119
 120                         shift_reset = 0;
 121                         control_reset = 0;
 122                         alt_reset = 0;
 123
 124                         for (int i = 0; i < key_string.Length; i++) {
 125                                 switch(key_string[i]) {
 126                                         case '+': {
 127                                                 SendSymbol(hwnd, "SHIFT", 1, true);
 128                                                 shift_reset = 2;
 129                                                 break;
 130                                         }
 131
 132                                         case '^': {
 133                                                 SendSymbol(hwnd, "CONTROL", 1, true);
 134                                                 control_reset = 2;
 135                                                 break;
 136                                         }
 137
 138                                         case '%': {
 139                                                 SendSymbol(hwnd, "ALT", 1, true);
 140                                                 alt_reset = 2;
 141                                                 break;
 142                                         }
 143
 144                                         case '~': {
 145                                                 SendSymbol(hwnd, "ENTER", 1, true);
 146                                                 SendSymbol(hwnd, "ENTER", 1, false);
 147                                                 break;
 148                                         }
 149
 150                                         case '(':
 151                                         case ')': {
 152                                                 // FIXME - implement group parser
 153                                                 break;
 154                                         }
 155
 156                                         case '{':
 157                                         case '}': {
 158                                                 // FIXME - implement symbol parser
 159                                                 break;
 160                                         }
 161
 162                                         default: {
 163                                                 SendKey(hwnd, key_string[i], 1);
 164                                                 break;
 165                                         }
 166                                 }
 167
 168
 169
 170                                 if (shift_reset > 0) {
 171                                         shift_reset--;
 172                                         if (shift_reset == 0) {
 173                                                 SendSymbol(hwnd, "SHIFT", 1, false);
 174                                         }
 175                                 }
 176
 177                                 if (control_reset > 0) {
 178                                         control_reset--;
 179                                         if (control_reset == 0) {
 180                                                 SendSymbol(hwnd, "CONTROL", 1, false);
 181                                         }
 182                                 }
 183
 184                                 if (alt_reset > 0) {
 185                                         alt_reset--;
 186                                         if (alt_reset == 0) {
 187                                                 SendSymbol(hwnd, "ALT", 1, false);
 188                                         }
 189                                 }
 190                         }
 191                 }
 192
 193                 public static void SendWait(string keys) {
 194                         Send(keys);
 195                         Flush();
 196                 }
 197                 #endregion      // Public Instance Properties
 198         }
 199 }