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72 Commits

Author SHA1 Message Date
Nicholas Marriott
1501b3fbbd A few trivial optimisations: no need to check for zero size if calling 
buffer_ensure in buffer.c; expand grid lines by a greater increase than one
each time; and don't read UTF-8 data unless it actually needs to be checked
when overwriting a cell.
 2009-08-20 19:14:42 +00:00
Nicholas Marriott
b02e429788 It was originally intended that scroll mode would show content that was 
currently off-screen due to resize, but somewhere along the way this got
lost. Restore this behaviour to scroll mode by fixing screen_write_copy to read
up to the saved line length rather than the current screen width. Copy mode
remains unaltered for now.
 2009-08-13 16:24:33 +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
97f105cde2 Plug some memory leaks. 2009-07-30 20:41:48 +00:00
Nicholas Marriott
fc65da1eed Draw UTF-8 characters under the selection correctly. 2009-07-27 11:33:21 +00:00
Nicholas Marriott
ddad0be5f7 More tty code tidying: move the saved cursor/region position (from before the 
screen was updated) out of struct screen and into struct tty_ctx.
 2009-07-22 20:53:38 +00:00
Nicholas Marriott
2ec2837daa enum tty_cmd is only used as an index into the array of command function 
pointers, so remove it and use the function pointers directly to represent
themselves.
 2009-07-22 18:02:23 +00:00
Nicholas Marriott
6a309c53a8 There are relatively few arguments to tty_cmd_* functions now, so tidy them up 
by using a struct rather than hiding everything with varargs.
 2009-07-22 16:45:31 +00:00
Nicholas Marriott
5bd72ec629 tty_cmd_raw is only used once, for raw UTF-8 output, so rename it to 
tty_cmd_utf8character and eliminate the size argument.
 2009-07-22 15:55:32 +00:00
Nicholas Marriott
975f516f51 The scroll region cannot be one line only, ignore attempts to make it so. 2009-07-14 14:47:32 +00:00
Nicholas Marriott
5f2f07ed8a Cursor up and down should be limited by the scroll region (cuu should stop at 
the scroll region top if starting from below it and cud stop at the bottom if
starting from above). Fixes another vttest test.
 2009-07-09 17:57:11 +00:00
Nicholas Marriott
86c93c6e34 Change inserting and deleting lines inside the scroll region to properly clear 
lines that should be inserted/deleted but not moved. Fixes problems with mutt
reported by Brian Lewis, thanks.
 2009-07-09 07:58:14 +00:00
Nicholas Marriott
643c219d18 Tidy by removing unused argument from grid_view_{insert,delete}_line_region 
functions (currently don't fully work, this is to make fix easier).
 2009-07-09 00:29:32 +00:00
Nicholas Marriott
68e06fb6b7 Fix two errors with character/line insertion and deletion: the maximum number 
of characters which may be inserted or deleted is the screen width, not one
less (and similarly for lines and height); and if characters or lines are
deleted by moving the ones that follow, the space at the end needs to be
cleared.

This appears to solve long-standing redraw issues most visible when using the
force-width option then scrolling in view(1) or unwrapping lines in emacs.
 2009-06-29 21:30:50 +00:00
Nicholas Marriott
1ec736a3dc Status line fixes: don't truncate status-right now the length calculation is 
done for UTF-8, limit to the maximum length correctly when printing, and always
print a space even if the left string is longer than the width available.
 2009-06-26 15:13:39 +00:00
Ray Lai
74749e8705 Remove trailing newlines, spaces, and tabs. 
No binary change.
 2009-06-05 03:13:16 +00:00
Nicholas Marriott
c1a4c0186a Support insert mode by using insert character to shift the cells before writing 
as normal.
 2009-06-03 23:37:30 +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
ebe07c2726 Fix some miscalculations when clearing to start of screen: the number of lines 
to the cursor is cy not cy - 1, and the current cursor cell should be included.
 2009-06-03 23:26:56 +00:00
Nicholas Marriott
6521427a45 New session option, status-utf8, to control the interpretation of top-bit-set 
characters in status-left and status-right (if on, they are treated as UTF-8;
otherwise passed through).
 2009-06-03 16:54:26 +00:00
Nicholas Marriott
7d45e29683 Add a UTF-8 aware string length function and make UTF-8 in 
status-left/status-right work properly. At the moment any top-bit-set
characters are assumed to be UTF-8: a status-utf8 option to configure this will
come shortly.
 2009-06-03 16:05:46 +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