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Reduce curses escdelay from 1s to 0.2s

Message ID 20161030113823.GX3671@var.home
State New
Headers show

Commit Message

Samuel Thibault Oct. 30, 2016, 11:38 a.m. UTC
By default, curses will only report single ESC key event after 1s delay,
since ESC is also used for keypad escape sequences. This however makes users
believe that ESC is not working. Reducing to 0.2s provides good enough user
experience, while still allowing 200ms for keypad sequences to get in, which
should be more than enough.

Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>

rebased on master
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diff --git a/ui/curses.c b/ui/curses.c
index 2e132a7..3599295 100644
--- a/ui/curses.c
+++ b/ui/curses.c
@@ -216,7 +216,7 @@  static void curses_refresh(DisplayChangeListener *dcl)
         keycode = curses2keycode[chr];
         keycode_alt = 0;
-        /* alt key */
+        /* alt or esc key */
         if (keycode == 1) {
             int nextchr = getch();
@@ -345,6 +345,7 @@  static void curses_setup(void)
     initscr(); noecho(); intrflush(stdscr, FALSE);
     nodelay(stdscr, TRUE); nonl(); keypad(stdscr, TRUE);
     start_color(); raw(); scrollok(stdscr, FALSE);
+    set_escdelay(200);
     /* Make color pair to match color format (3bits bg:3bits fg) */
     for (i = 0; i < 64; i++) {