diff options
| -rw-r--r-- | doc/sciteco.1.in | 4 | ||||
| -rw-r--r-- | doc/sciteco.7.template | 2 | ||||
| -rw-r--r-- | src/interface-curses.cpp | 20 |
3 files changed, 24 insertions, 2 deletions
diff --git a/doc/sciteco.1.in b/doc/sciteco.1.in index 7212a08..1d21ecf 100644 --- a/doc/sciteco.1.in +++ b/doc/sciteco.1.in @@ -245,8 +245,8 @@ Additionally \*(ST may be influenced by the environment variables accessed by glib .UE . On a Curses UI, there are other important environment variables -like \fBTERM\fP, \fBLINES\fP and \fBCOLUMNS\fP that may be -accessed when \*(ST enters interactive mode. +like \fBTERM\fP, \fBLINES\fP, \fBCOLUMNS\fP and \fBESCDELAY\fP +that may be accessed when \*(ST enters interactive mode. For ncurses, see section \fBENVIRONMENT\fP in .BR ncurses (3NCURSES) for details. diff --git a/doc/sciteco.7.template b/doc/sciteco.7.template index 30d6c76..bdb25bc 100644 --- a/doc/sciteco.7.template +++ b/doc/sciteco.7.template @@ -137,6 +137,8 @@ With certain interfaces (curses) after enabling function keys, the Escape key might only be handled after a short delay. This is because it might be used by the terminal to transmit Escape Sequences. +This delay is minimized by \*(ST, so using the escape key +should not be a problem even on ncurses/UNIX. .LP Enabling function keys also enables Function Key Macros. These are Q-Register strings inserted into the command stream diff --git a/src/interface-curses.cpp b/src/interface-curses.cpp index 93fe923..8c6af7f 100644 --- a/src/interface-curses.cpp +++ b/src/interface-curses.cpp @@ -803,6 +803,26 @@ InterfaceCurses::init_interactive(void) QRegisters::globals.update_environ(); /* + * On UNIX terminals, the escape key is usually + * delivered as the escape character even though function + * keys are delivered as escape sequences as well. + * That's why there has to be a timeout for detecting + * escape presses if function key handling is enabled. + * This timeout can be controlled using $ESCDELAY on + * ncurses but its default is much too long. + * We set it to 25ms as Vim does. In the very rare cases + * this won't suffice, $ESCDELAY can still be set explicitly. + * + * NOTE: The only terminal emulator I'm aware of that lets + * us send an escape sequence for the escape key is Mintty + * (see "\e[?7727h"). + */ +#ifdef NCURSES_UNIX + if (!g_getenv("ESCDELAY")) + set_escdelay(25); +#endif + + /* * $TERM must be unset or "#win32con" for the win32 * driver to load. * So we always ignore any $TERM changes by the user. |