Ticket #4659: term-reports.patch

src/apps/terminal/TermParse.cpp

@@ -778 +778 @@
                     parsestate = groundtable;
                     break;
 
+                case CASE_DA1:
+                    // DA - report device attributes
+                    if (param[0] < 1)
+                        // claim to be a VT102
+                        write(fFd, "\033[?6c", 5);
+                    parsestate = groundtable;
+                    break;
+
                 case CASE_DECSTBM:
                     /* DECSTBM - set scrolling region */
 
@@ -799 +807 @@
                     break;
 
                 case CASE_DECREQTPARM:
+                    // DEXREQTPARM - request terminal parameters
+                    _DecReqTermParms(param[0]);
                     parsestate = groundtable;
                     break;
 
@@ -1079 +1089 @@
     switch (n) {
         case 5:
         {
+            // Device status report requested
+            // reply with "no malfunction detected"
             const char* toWrite = "\033[0n";
             write(fFd, toWrite, strlen(toWrite));
             break ;
         }
         case 6:
-            len = sprintf(sbuf, "\033[%ld;%ldR", fBuffer->Height(),
-                fBuffer->Width()) ;
+            // Cursor position report requested
+            len = sprintf(sbuf, "\033[%ld;%ldR",
+                fBuffer->Cursor().y + 1,
+                fBuffer->Cursor().x + 1);
             write(fFd, sbuf, len);
             break ;
         default:
@@ -1095 +1109 @@
 
 
 void
+TermParse::_DecReqTermParms(int value)
+{
+    // Terminal parameters report:
+    //   type (2 or 3);
+    //   no parity (1);
+    //   8 bits per character (1);
+    //   transmit speed 38400bps (128);
+    //   receive speed 38400bps (128);
+    //   bit rate multiplier 16 (1);
+    //   no flags (0)
+    char parms[] = "\033[?;1;1;128;128;1;0x";
+
+    if (value < 1)
+        parms[2] = '2';
+    else if (value == 1)
+        parms[2] = '3';
+    else
+        return;
+
+    write(fFd, parms, strlen(parms));
+}
+
+void
 TermParse::_DecPrivateModeSet(int value)
 {
     switch (value) {

src/apps/terminal/TermParse.h

@@ -76 +76 @@
     status_t _ReadParserBuffer();
 
     void _DeviceStatusReport(int n);
+    void _DecReqTermParms(int value);
     void _DecPrivateModeSet(int value);
     void _DecPrivateModeReset(int value);
     void _DecSaveCursor();

src/apps/terminal/VTPrsTbl.c

@@ -1135 +1135 @@
 CASE_GROUND_STATE,
 CASE_GROUND_STATE,
 CASE_GROUND_STATE,
-CASE_GROUND_STATE,
+CASE_DA1,
 /*  d       e       f       g   */
 CASE_VPA,
 CASE_GROUND_STATE,
@@ -2135 +2135 @@
 /*  X       Y       Z       [   */
 CASE_GROUND_STATE,
 CASE_GROUND_STATE,
-CASE_GROUND_STATE,
+CASE_DA1,
 CASE_CSI_STATE,
 /*  \       ]       ^       _   */
 CASE_GROUND_STATE,