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TUI: enter/exit alternate screen with "title stacking" (#9407)

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Works in iTerm2 and xterm.

- patch_terminfo_bugs(): Add title-stacking sequences (\e[22t and
  \e[23t) to the overrides for iTerm2 and xterm.
- Note: the builtins (terminfo_defs.h) for `iterm_256colour_terminfo`
  and `xterm_256colour_terminfo` already include the sequences.

Test case (title should be "foo" after the final :q):

   TERM=iterm2 nvim -u NONE +'set title titleold=foo'
   :q
   TERM=iterm2 nvim -u NONE +'set title titlestring=zub'
   :q

closes #4063
This commit is contained in:
Justin M. Keyes 2018-12-29 03:30:51 +01:00 committed by GitHub
parent 4a7f6dafe9
commit 907ad921bc
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1 changed files with 6 additions and 6 deletions
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12
src/nvim/tui/tui.c
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@ -1573,9 +1573,9 @@ static void patch_terminfo_bugs(TUIData *data, const char *term,
unibi_set_if_empty(ut, unibi_exit_italics_mode, "\x1b[23m");
unibi_set_if_empty(ut, unibi_to_status_line, "\x1b]2");
unibi_set_if_empty(ut, unibi_from_status_line, "\x07");
// 2017-04 terminfo.src has older control sequences.
unibi_set_str(ut, unibi_enter_ca_mode, "\x1b[?1049h");
unibi_set_str(ut, unibi_exit_ca_mode, "\x1b[?1049l");
// Enter/exit alternate screen with "title stacking". #4063
unibi_set_str(ut, unibi_enter_ca_mode, "\x1b[?1049h\x1b[22;0;0t");
unibi_set_str(ut, unibi_exit_ca_mode, "\x1b[?1049l\x1b[23;0;0t");
} else if (screen) {
// per the screen manual; 2017-04 terminfo.src lacks these.
unibi_set_if_empty(ut, unibi_to_status_line, "\x1b_");
@ -1595,9 +1595,9 @@ static void patch_terminfo_bugs(TUIData *data, const char *term,
} else if (putty) {
// No bugs in the vanilla terminfo for our purposes.
} else if (iterm) {
// 2017-04 terminfo.src has older control sequences.
unibi_set_str(ut, unibi_enter_ca_mode, "\x1b[?1049h");
unibi_set_str(ut, unibi_exit_ca_mode, "\x1b[?1049l");
// Enter/exit alternate screen with "title stacking". #4063
unibi_set_str(ut, unibi_enter_ca_mode, "\x1b[?1049h\x1b[22;0;0t");
unibi_set_str(ut, unibi_exit_ca_mode, "\x1b[?1049l\x1b[23;0;0t");
// 2017-04 terminfo.src lacks these.
unibi_set_if_empty(ut, unibi_set_tb_margin, "\x1b[%i%p1%d;%p2%dr");
unibi_set_if_empty(ut, unibi_orig_pair, "\x1b[39;49m");