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216 Commits

Author SHA1 Message Date
Nicholas Marriott
8608c6970d When backspace is received at the beginning of a line and the previous line was 
wrapped, move the cursor back up to the end of the previous line.

Another one of the forgotten persons requested this quite a while ago (I need
to start noting names on todo items...) when it was quite hard to
implement. Now it is easy and I don't see it can do any harm, so hey presto...
 2009-10-12 16:59:55 +00:00
Nicholas Marriott
234ad54b2c Nuke unused variable. 2009-08-20 10:48:25 +00:00
Nicholas Marriott
bf121f7c60 Handle the device attributes (DA) escape sequence. 2009-08-19 17:00:31 +00:00
Nicholas Marriott
036de0c5e4 Instead of just checking for an empty buffer, which may not be the case if 
there is unconsumed data, save the previous size and use it instead. This means
that activity monitoring should work in this (unlikely) event.

Also remove a debugging statement that no longer seems necessary.
 2009-08-18 21:41:13 +00:00
Nicholas Marriott
06ddd3dcf8 Add a flags member to the grid_line struct and use it to differentiate lines 
wrapped at the screen edge from those terminated by a newline. Then use this
when copying to combine wrapped lines together into one.
 2009-08-08 15:57:49 +00:00
Nicholas Marriott
04e97e8aef Using the alternative screen (smcup/rmcup) should also preserve the current 
colours and attributes. Found thanks to a report from Taylor Venable.

While here also nuke a couple of extra blank lines.
 2009-08-07 00:12:13 +00:00
Nicholas Marriott
76a9d98562 Make some functions which return unused values void (mostly found by lint) and 
tweak a redundant expression in window_pane_set_mode.
 2009-07-21 19:54:22 +00:00
Nicholas Marriott
359285928b Support "alternate screen" mode (terminfo smcup/rmcup) typically used by full 
screen interactive programs to preserve the screen contents. When activated, it
saves a copy of the visible grid and disables scrolling into and resizing out
of the history; when deactivated the visible data is restored and the history
reenabled.
 2009-07-13 10:43:52 +00:00
Nicholas Marriott
f031975dc0 Implement the CBT (backward tab) sequence (\033[Z). 2009-06-04 21:02:21 +00:00
Nicholas Marriott
d42fb43f4f Proper support for tab stops (\033H etc), using a bitstring(3). Makes another 
vttest test happy.
 2009-06-04 18:48:24 +00:00
Nicholas Marriott
d6015824dd Okay, so I screwed up when testing this, doh. Unbreak so that CAN/SUB actually 
do cancel the sequence, and tweak to make the code more clear.
 2009-06-04 14:42:14 +00:00
Nicholas Marriott
6c1f03578d Oops, CAN and SUB should abort the sequence (return to first state), not remain 
in the same state.
 2009-06-04 14:24:49 +00:00
Nicholas Marriott
8dd2f0da3f More input compatibility love. Support C0 within escape sequences, and the C0 
control character VT (vertical tab, \013), which is treated as LF like
VT102. Makes another vttest happy.
 2009-06-04 14:15:50 +00:00
Nicholas Marriott
52ec9b9ec4 Implement the DEC alignment test. With the last change this is enough for the 
first cursor test in vttest (in ports) to pass; it still shops a few more
problems though.
 2009-06-03 23:30:40 +00:00
Nicholas Marriott
2faec76afa Pass window titles through vis(1). <0x20 is dropped anyway by the input state 
machine but top-bit-set nonprintables could cause trouble, and they are neater
like this anyway.

Suggested by deraadt a few days ago.
 2009-06-03 19:33:04 +00:00
Nicholas Marriott
35876eaab9 Import tmux, a terminal multiplexor allowing (among other things) a single 
terminal to be switched between several different windows and programs
displayed on one terminal be detached from one terminal and moved to another.

ok deraadt pirofti
 2009-06-01 22:58:49 +00:00