diff options
Diffstat (limited to 'Src')
| -rw-r--r-- | Src/Modules/curses.c | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/Src/Modules/curses.c b/Src/Modules/curses.c index d9c19bdb1..a60dfcbf8 100644 --- a/Src/Modules/curses.c +++ b/Src/Modules/curses.c @@ -1490,6 +1490,74 @@ zccmd_touch(const char *nam, char **args) return ret; } +static int +zccmd_resize(const char *nam, char **args) +{ +#ifdef HAVE_RESIZE_TERM + int y, x, do_endwin=0, do_save=1; + LinkNode stdscr_win = zcurses_getwindowbyname("stdscr"); + + if (stdscr_win) { + y = atoi(args[0]); + x = atoi(args[1]); + if (args[2]) { + if (0 == strcmp(args[2], "endwin")) { + do_endwin=1; + } else if (0 == strcmp(args[2], "endwin_nosave")) { + do_endwin=1; + do_save=0; + } else if (0 == strcmp(args[2], "nosave")) { + do_save=0; + } else { + zwarnnam(nam, "`resize' expects `endwin', `nosave' or `endwin_nosave' for third argument, if given"); + } + } + + if (y == 0 && x == 0 && args[2] == NULL) { + // Special case to just test that curses has resize_term. #ifdef + // HAVE_RESIZE_TERM will result in return value 2 if resize_term + // is not available. + return 0; + } else { + // Without this call some window moves are innacurate. Tested on + // OS X ncurses 5.4, Homebrew ncursesw 6.0-2, Arch Linux ncursesw + // 6.0, Ubuntu 14.04 ncurses 5.9, FreeBSD ncursesw.so.8 + // + // On the other hand, the whole resize goal can be (from tests) + // accomplished by calling endwin and refresh. But to secure any + // future problems, resize_term is provided, and it is featured + // with endwin, so that users have multiple options. + if (do_endwin) { + endwin(); + } + + if( resize_term( y, x ) == OK ) { + // Things work without this, but we need to get out from + // endwin (i.e. call refresh), and in theory store new + // curses state (the resize might have changed it), which + // should be presented to terminal only after refresh. + if (do_endwin || do_save) { + ZCWin w; + w = (ZCWin)getdata(stdscr_win); + wnoutrefresh(w->win); + doupdate(); + } + + if (do_save) { + gettyinfo(&curses_tty_state); + } + return 0; + } else { + return 1; + } + } + } else { + return 1; + } +#else + return 2; +#endif +} /********************* Main builtin handler @@ -1523,6 +1591,7 @@ bin_zcurses(char *nam, char **args, UNUSED(Options ops), UNUSED(int func)) {"mouse", zccmd_mouse, 0, -1}, {"querychar", zccmd_querychar, 1, 2}, {"touch", zccmd_touch, 1, -1}, + {"resize", zccmd_resize, 2, 3}, {NULL, (zccmd_t)0, 0, 0} }; |