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comparison src/de/mud/terminal/vt320.java @ 104:171e0a977544

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cleanup keystroke handling
author Carl Byington <carl@five-ten-sg.com>
date Wed, 18 Jun 2014 10:10:14 -0700
parents 8181cb01c64d
children 77ac18bc1b2f
comparison
equal deleted inserted replaced
103:1a34365fab9b 104:171e0a977544
942 942
943 return write(s, false); 943 return write(s, false);
944 } 944 }
945 945
946 /** 946 /**
947 * main keytyping event handler... 947 * main keytyping event handler for all the special function and modifier keys
948 * the normal keys are processed by write(byte b);
948 */ 949 */
949 public void keyPressed(int keyCode, char keyChar, int modifiers) { 950 public void keyPressed(int keyCode, char keyChar, int modifiers) {
950 boolean control = (modifiers & VDUInput.KEY_CONTROL) != 0; 951 boolean control = (modifiers & VDUInput.KEY_CONTROL) != 0;
951 boolean shift = (modifiers & VDUInput.KEY_SHIFT) != 0; 952 boolean shift = (modifiers & VDUInput.KEY_SHIFT) != 0;
952 boolean alt = (modifiers & VDUInput.KEY_ALT) != 0; 953 boolean alt = (modifiers & VDUInput.KEY_ALT) != 0;
1110 case KEY_CONTROL: 1111 case KEY_CONTROL:
1111 case KEY_ALT: 1112 case KEY_ALT:
1112 break; 1113 break;
1113 1114
1114 case KEY_ESCAPE: 1115 case KEY_ESCAPE:
1115 write(0x1b); 1116 writeSpecial(Escape[xind]);
1116 break; 1117 break;
1117 1118
1118 case KEY_ENTER: 1119 case KEY_ENTER:
1119 write(0x0d); 1120 write(0x0d);
1120 break; 1121 break;
1121 1122
1122 case KEY_TAB: 1123 case KEY_TAB:
1123 write(0x09); 1124 writeSpecial(TabKey[xind]);
1124 break; 1125 break;
1125 1126
1126 default: 1127 default:
1127 break; 1128 break;
1128 }
1129 }
1130 /*
1131 public void keyReleased(KeyEvent evt) {
1132 if (debug > 1) debug("keyReleased("+evt+")");
1133 // ignore
1134 }
1135 */
1136 /**
1137 * Handle key Typed events for the terminal, this will get
1138 * all normal key types, but no shift/alt/control/numlock.
1139 */
1140 public void keyTyped(int keyCode, char keyChar, int modifiers) {
1141 boolean control = (modifiers & VDUInput.KEY_CONTROL) != 0;
1142 boolean shift = (modifiers & VDUInput.KEY_SHIFT) != 0;
1143 boolean alt = (modifiers & VDUInput.KEY_ALT) != 0;
1144
1145 if (debug > 1) debug("keyTyped(" + keyCode + ", " + (int)keyChar + ", " + modifiers + ")");
1146
1147 if (keyChar == '\t') {
1148 if (shift) {
1149 write(TabKey[1], false);
1150 }
1151 else {
1152 if (control) {
1153 write(TabKey[2], false);
1154 }
1155 else {
1156 if (alt) {
1157 write(TabKey[3], false);
1158 }
1159 else {
1160 write(TabKey[0], false);
1161 }
1162 }
1163 }
1164
1165 return;
1166 }
1167
1168 if (alt) {
1169 write(((char)(keyChar | 0x80)));
1170 return;
1171 }
1172
1173 if (((keyCode == KEY_ENTER) || (keyChar == 10))
1174 && !control) {
1175 write('\r');
1176
1177 if (localecho) putString("\r\n"); // bad hack
1178
1179 return;
1180 }
1181
1182 if ((keyCode == 10) && !control) {
1183 debug("Sending \\r");
1184 write('\r');
1185 return;
1186 }
1187
1188 // FIXME: on german PC keyboards you have to use Alt-Ctrl-q to get an @,
1189 // so we can't just use it here... will probably break some other VMS
1190 // codes. -Marcus
1191 // if(((!vms && keyChar == '2') || keyChar == '@' || keyChar == ' ')
1192 // && control)
1193 if (((!vms && keyChar == '2') || keyChar == ' ') && control)
1194 write(0);
1195
1196 if (vms) {
1197 if (keyChar == 127 && !control) {
1198 if (shift)
1199 writeSpecial(Insert[0]); // VMS shift delete = insert
1200 else
1201 writeSpecial(Remove[0]); // VMS delete = remove
1202
1203 return;
1204 }
1205 else if (control)
1206 switch (keyChar) {
1207 case '0':
1208 writeSpecial(Numpad[0]);
1209 return;
1210
1211 case '1':
1212 writeSpecial(Numpad[1]);
1213 return;
1214
1215 case '2':
1216 writeSpecial(Numpad[2]);
1217 return;
1218
1219 case '3':
1220 writeSpecial(Numpad[3]);
1221 return;
1222
1223 case '4':
1224 writeSpecial(Numpad[4]);
1225 return;
1226
1227 case '5':
1228 writeSpecial(Numpad[5]);
1229 return;
1230
1231 case '6':
1232 writeSpecial(Numpad[6]);
1233 return;
1234
1235 case '7':
1236 writeSpecial(Numpad[7]);
1237 return;
1238
1239 case '8':
1240 writeSpecial(Numpad[8]);
1241 return;
1242
1243 case '9':
1244 writeSpecial(Numpad[9]);
1245 return;
1246
1247 case '.':
1248 writeSpecial(KPPeriod);
1249 return;
1250
1251 case '-':
1252 case 31:
1253 writeSpecial(KPMinus);
1254 return;
1255
1256 case '+':
1257 writeSpecial(KPComma);
1258 return;
1259
1260 case 10:
1261 writeSpecial(KPEnter);
1262 return;
1263
1264 case '/':
1265 writeSpecial(PF2);
1266 return;
1267
1268 case '*':
1269 writeSpecial(PF3);
1270 return;
1271
1272 /* NUMLOCK handled in keyPressed */
1273 default:
1274 break;
1275 }
1276
1277 /* Now what does this do and how did it get here. -Marcus
1278 if (shift && keyChar < 32) {
1279 write(PF1+(char)(keyChar + 64));
1280 return;
1281 }
1282 */
1283 }
1284
1285 // FIXME: not used?
1286 //String fmap[];
1287 int xind;
1288 xind = 0;
1289
1290 //fmap = FunctionKey;
1291 if (shift) {
1292 //fmap = FunctionKeyShift;
1293 xind = 1;
1294 }
1295
1296 if (control) {
1297 //fmap = FunctionKeyCtrl;
1298 xind = 2;
1299 }
1300
1301 if (alt) {
1302 //fmap = FunctionKeyAlt;
1303 xind = 3;
1304 }
1305
1306 if (keyCode == KEY_ESCAPE) {
1307 writeSpecial(Escape[xind]);
1308 return;
1309 }
1310
1311 if ((modifiers & VDUInput.KEY_ACTION) != 0)
1312 switch (keyCode) {
1313 case KEY_NUMPAD0:
1314 writeSpecial(Numpad[0]);
1315 return;
1316
1317 case KEY_NUMPAD1:
1318 writeSpecial(Numpad[1]);
1319 return;
1320
1321 case KEY_NUMPAD2:
1322 writeSpecial(Numpad[2]);
1323 return;
1324
1325 case KEY_NUMPAD3:
1326 writeSpecial(Numpad[3]);
1327 return;
1328
1329 case KEY_NUMPAD4:
1330 writeSpecial(Numpad[4]);
1331 return;
1332
1333 case KEY_NUMPAD5:
1334 writeSpecial(Numpad[5]);
1335 return;
1336
1337 case KEY_NUMPAD6:
1338 writeSpecial(Numpad[6]);
1339 return;
1340
1341 case KEY_NUMPAD7:
1342 writeSpecial(Numpad[7]);
1343 return;
1344
1345 case KEY_NUMPAD8:
1346 writeSpecial(Numpad[8]);
1347 return;
1348
1349 case KEY_NUMPAD9:
1350 writeSpecial(Numpad[9]);
1351 return;
1352
1353 case KEY_DECIMAL:
1354 writeSpecial(NUMDot[xind]);
1355 return;
1356
1357 case KEY_ADD:
1358 writeSpecial(NUMPlus[xind]);
1359 return;
1360 }
1361
1362 if (!((keyChar == 8) || (keyChar == 127) || (keyChar == '\r') || (keyChar == '\n'))) {
1363 write(keyChar);
1364 return;
1365 } 1129 }
1366 } 1130 }
1367 1131
1368 private void handle_dcs(String dcs) { 1132 private void handle_dcs(String dcs) {
1369 debugStr.append("DCS: ") 1133 debugStr.append("DCS: ")