Document the terminal use of control characters.

author: David Walter Seikel 2014-01-29 22:04:23 +1000
committer: David Walter Seikel 2014-01-29 22:04:23 +1000
commit: 585c38c449da8850ed48b88dd3a7717227ec839c (patch)
tree: 8566b97cd24ef72e21ea502d39efb594b92d7e8e
parent: Better way to deal with the signals, tell the terminal not to send them. (diff)
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1 files changed, 14 insertions, 14 deletions
diff --git a/boxes.c b/boxes.c
index fc429fc..2e856b9 100644
--- a/boxes.c
+++ b/boxes.c
@@ -320,8 +320,8 @@ struct key keys[] =
 //  {"\x00",            "^@"},          // NUL Commented out coz it's the C string terminator, and may confuse things.
  {"\x01",              "^A"},          // SOH Apparently sometimes sent as Home
  {"\x02",              "^B"},          // STX
-  {"\x03",              "^C"},          // ETX SIGTERM
+  {"\x03",              "^C"},          // ETX SIGINT  Emacs and vi.
-  {"\x04",              "^D"},          // EOT
+  {"\x04",              "^D"},          // EOT EOF     Emacs, joe, and nano.
  {"\x05",              "^E"},          // ENQ Apparently sometimes sent as End
  {"\x06",              "^F"},          // ACK
  {"\x07",              "^G"},          // BEL
@@ -332,25 +332,25 @@ struct key keys[] =
  {"\x0C",              "^L"},          // FF
  {"\x0D",              "^M"},          // CR  Other Return key, usually.
  {"\x0E",              "^N"},          // SO
-  {"\x0F",              "^O"},          // SI
+  {"\x0F",              "^O"},          // SI  DISCARD
  {"\x10",              "^P"},          // DLE
-  {"\x11",              "^Q"},          // DC1
+  {"\x11",              "^Q"},          // DC1 SIGCONT  Vi, and made up commands in MC, which seem to work anyway.
  {"\x12",              "^R"},          // DC2
-  {"\x13",              "^S"},          // DC3
+  {"\x13",              "^S"},          // DC3 SIGSTOP can't be caught.  Emacs and vi, so much for "can't be caught".
-  {"\x14",              "^T"},          // DC4
+  {"\x14",              "^T"},          // DC4 SIGINFO STATUS
-  {"\x15",              "^U"},          // NAK
+  {"\x15",              "^U"},          // NAK KILL character
-  {"\x16",              "^V"},          // SYN
+  {"\x16",              "^V"},          // SYN LNEXT
-  {"\x17",              "^W"},          // ETB
+  {"\x17",              "^W"},          // ETB WERASE
-  {"\x18",              "^X"},          // CAN
+  {"\x18",              "^X"},          // CAN KILL character
-  {"\x19",              "^Y"},          // EM
+  {"\x19",              "^Y"},          // EM  DSUSP SIGTSTP
-  {"\x1A",              "^Z"},          // SUB
+  {"\x1A",              "^Z"},          // SUB SIGTSTP
 //  {"\x1B",            "^["},          // ESC Esc key.  Commented out coz it's the ANSI start byte in the below multibyte keys.  Handled in the code with a timeout.
-  {"\x1C",              "^\\"},         // FS SIGQUIT
+  {"\x1C",              "^\\"},         // FS SIGQUIT  Some say ^D is SIGQUIT, but my tests say it's this.
  {"\x1D",              "^]"},          // GS
  {"\x1E",              "^^"},          // RS
  {"\x1F",              "^_"},          // US
  {"\x7F",              "BS"},          // Backspace key, usually.  Ctrl-? perhaps?
-  {"\x9B",              "CSI"},         // CSI The eight bit encoding of "Esc [".
+//  {"\x9B",            "CSI"},         // CSI The eight bit encoding of "Esc [".  Commented out for the same reason Esc is.
  // "Usual" xterm CSI sequences, with ";1" omitted for no modifiers.
  // Even though we have a proper CSI parser, these should still be in this table.
author	David Walter Seikel	2014-01-29 22:04:23 +1000
committer	David Walter Seikel	2014-01-29 22:04:23 +1000
commit	585c38c449da8850ed48b88dd3a7717227ec839c (patch)
tree	8566b97cd24ef72e21ea502d39efb594b92d7e8e
parent	Better way to deal with the signals, tell the terminal not to send them. (diff)
download	boxes-585c38c449da8850ed48b88dd3a7717227ec839c.zip boxes-585c38c449da8850ed48b88dd3a7717227ec839c.tar.gz boxes-585c38c449da8850ed48b88dd3a7717227ec839c.tar.bz2 boxes-585c38c449da8850ed48b88dd3a7717227ec839c.tar.xz

diff --git a/boxes.c b/boxes.c index fc429fc..2e856b9 100644 --- a/boxes.c +++ b/boxes.c
@@ -320,8 +320,8 @@ struct key keys[] =
320	// {"\x00", "^@"}, // NUL Commented out coz it's the C string terminator, and may confuse things.	320	// {"\x00", "^@"}, // NUL Commented out coz it's the C string terminator, and may confuse things.
321	{"\x01", "^A"}, // SOH Apparently sometimes sent as Home	321	{"\x01", "^A"}, // SOH Apparently sometimes sent as Home
322	{"\x02", "^B"}, // STX	322	{"\x02", "^B"}, // STX
323	{"\x03", "^C"}, // ETX SIGTERM	323	{"\x03", "^C"}, // ETX SIGINT Emacs and vi.
324	{"\x04", "^D"}, // EOT	324	{"\x04", "^D"}, // EOT EOF Emacs, joe, and nano.
325	{"\x05", "^E"}, // ENQ Apparently sometimes sent as End	325	{"\x05", "^E"}, // ENQ Apparently sometimes sent as End
326	{"\x06", "^F"}, // ACK	326	{"\x06", "^F"}, // ACK
327	{"\x07", "^G"}, // BEL	327	{"\x07", "^G"}, // BEL
@@ -332,25 +332,25 @@ struct key keys[] =
332	{"\x0C", "^L"}, // FF	332	{"\x0C", "^L"}, // FF
333	{"\x0D", "^M"}, // CR Other Return key, usually.	333	{"\x0D", "^M"}, // CR Other Return key, usually.
334	{"\x0E", "^N"}, // SO	334	{"\x0E", "^N"}, // SO
335	{"\x0F", "^O"}, // SI	335	{"\x0F", "^O"}, // SI DISCARD
336	{"\x10", "^P"}, // DLE	336	{"\x10", "^P"}, // DLE
337	{"\x11", "^Q"}, // DC1	337	{"\x11", "^Q"}, // DC1 SIGCONT Vi, and made up commands in MC, which seem to work anyway.
338	{"\x12", "^R"}, // DC2	338	{"\x12", "^R"}, // DC2
339	{"\x13", "^S"}, // DC3	339	{"\x13", "^S"}, // DC3 SIGSTOP can't be caught. Emacs and vi, so much for "can't be caught".
340	{"\x14", "^T"}, // DC4	340	{"\x14", "^T"}, // DC4 SIGINFO STATUS
341	{"\x15", "^U"}, // NAK	341	{"\x15", "^U"}, // NAK KILL character
342	{"\x16", "^V"}, // SYN	342	{"\x16", "^V"}, // SYN LNEXT
343	{"\x17", "^W"}, // ETB	343	{"\x17", "^W"}, // ETB WERASE
344	{"\x18", "^X"}, // CAN	344	{"\x18", "^X"}, // CAN KILL character
345	{"\x19", "^Y"}, // EM	345	{"\x19", "^Y"}, // EM DSUSP SIGTSTP
346	{"\x1A", "^Z"}, // SUB	346	{"\x1A", "^Z"}, // SUB SIGTSTP
347	// {"\x1B", "^["}, // ESC Esc key. Commented out coz it's the ANSI start byte in the below multibyte keys. Handled in the code with a timeout.	347	// {"\x1B", "^["}, // ESC Esc key. Commented out coz it's the ANSI start byte in the below multibyte keys. Handled in the code with a timeout.
348	{"\x1C", "^\\"}, // FS SIGQUIT	348	{"\x1C", "^\\"}, // FS SIGQUIT Some say ^D is SIGQUIT, but my tests say it's this.
349	{"\x1D", "^]"}, // GS	349	{"\x1D", "^]"}, // GS
350	{"\x1E", "^^"}, // RS	350	{"\x1E", "^^"}, // RS
351	{"\x1F", "^_"}, // US	351	{"\x1F", "^_"}, // US
352	{"\x7F", "BS"}, // Backspace key, usually. Ctrl-? perhaps?	352	{"\x7F", "BS"}, // Backspace key, usually. Ctrl-? perhaps?
353	{"\x9B", "CSI"}, // CSI The eight bit encoding of "Esc [".	353	// {"\x9B", "CSI"}, // CSI The eight bit encoding of "Esc [". Commented out for the same reason Esc is.
354		354
355	// "Usual" xterm CSI sequences, with ";1" omitted for no modifiers.	355	// "Usual" xterm CSI sequences, with ";1" omitted for no modifiers.
356	// Even though we have a proper CSI parser, these should still be in this table.	356	// Even though we have a proper CSI parser, these should still be in this table.