kodama-st/config.def.h
Christoph Lohmann c4f245eccd Add some hint to have the pseudo terminal in the right mode.
If you don't make sure that the terminal does not expand tabs to spaces, of
course such a setting won't work.
2016-07-20 13:52:31 +02:00

445 lines
20 KiB
C

/* See LICENSE file for copyright and license details. */
/*
* appearance
*
* font: see http://freedesktop.org/software/fontconfig/fontconfig-user.html
*/
static char font[] = "Liberation Mono:pixelsize=12:antialias=true:autohint=true";
static int borderpx = 2;
/*
* What program is execed by st depends of these precedence rules:
* 1: program passed with -e
* 2: utmp option
* 3: SHELL environment variable
* 4: value of shell in /etc/passwd
* 5: value of shell in config.h
*/
static char shell[] = "/bin/sh";
static char *utmp = NULL;
static char stty_args[] = "stty raw pass8 nl -echo -iexten -cstopb 38400";
/* identification sequence returned in DA and DECID */
static char vtiden[] = "\033[?6c";
/* Kerning / character bounding-box multipliers */
static float cwscale = 1.0;
static float chscale = 1.0;
/*
* word delimiter string
*
* More advanced example: " `'\"()[]{}"
*/
static char worddelimiters[] = " ";
/* selection timeouts (in milliseconds) */
static unsigned int doubleclicktimeout = 300;
static unsigned int tripleclicktimeout = 600;
/* alt screens */
static int allowaltscreen = 1;
/* frames per second st should at maximum draw to the screen */
static unsigned int xfps = 120;
static unsigned int actionfps = 30;
/*
* blinking timeout (set to 0 to disable blinking) for the terminal blinking
* attribute.
*/
static unsigned int blinktimeout = 800;
/*
* thickness of underline and bar cursors
*/
static unsigned int cursorthickness = 2;
/*
* bell volume. It must be a value between -100 and 100. Use 0 for disabling
* it
*/
static int bellvolume = 0;
/* default TERM value */
static char termname[] = "st-256color";
/*
* spaces per tab
*
* When you are changing this value, don't forget to adapt the »it« value in
* the st.info and appropriately install the st.info in the environment where
* you use this st version.
*
* it#$tabspaces,
*
* Secondly make sure your terminal is not expanding tabs. When running `stty
* -a` »tab0« should appear. You can tell the terminal to not expand tabs by
* running following command:
*
* stty tabs
*/
static unsigned int tabspaces = 8;
/* Terminal colors (16 first used in escape sequence) */
static const char *colorname[] = {
/* 8 normal colors */
"black",
"red3",
"green3",
"yellow3",
"blue2",
"magenta3",
"cyan3",
"gray90",
/* 8 bright colors */
"gray50",
"red",
"green",
"yellow",
"#5c5cff",
"magenta",
"cyan",
"white",
[255] = 0,
/* more colors can be added after 255 to use with DefaultXX */
"#cccccc",
"#555555",
};
/*
* Default colors (colorname index)
* foreground, background, cursor, reverse cursor
*/
static unsigned int defaultfg = 7;
static unsigned int defaultbg = 0;
static unsigned int defaultcs = 256;
static unsigned int defaultrcs = 257;
/*
* Default shape of cursor
* 2: Block ("█")
* 4: Underline ("_")
* 6: Bar ("|")
* 7: Snowman ("☃")
*/
static unsigned int cursorshape = 2;
/*
* Default colour and shape of the mouse cursor
*/
static unsigned int mouseshape = XC_xterm;
static unsigned int mousefg = 7;
static unsigned int mousebg = 0;
/*
* Colors used, when the specific fg == defaultfg. So in reverse mode this
* will reverse too. Another logic would only make the simple feature too
* complex.
*/
static unsigned int defaultitalic = 11;
static unsigned int defaultunderline = 7;
/*
* Internal mouse shortcuts.
* Beware that overloading Button1 will disable the selection.
*/
static MouseShortcut mshortcuts[] = {
/* button mask string */
{ Button4, XK_ANY_MOD, "\031" },
{ Button5, XK_ANY_MOD, "\005" },
};
/* Internal keyboard shortcuts. */
#define MODKEY Mod1Mask
static Shortcut shortcuts[] = {
/* mask keysym function argument */
{ XK_ANY_MOD, XK_Break, sendbreak, {.i = 0} },
{ ControlMask, XK_Print, toggleprinter, {.i = 0} },
{ ShiftMask, XK_Print, printscreen, {.i = 0} },
{ XK_ANY_MOD, XK_Print, printsel, {.i = 0} },
{ MODKEY|ShiftMask, XK_Prior, xzoom, {.f = +1} },
{ MODKEY|ShiftMask, XK_Next, xzoom, {.f = -1} },
{ MODKEY|ShiftMask, XK_Home, xzoomreset, {.f = 0} },
{ ShiftMask, XK_Insert, selpaste, {.i = 0} },
{ MODKEY|ShiftMask, XK_Insert, clippaste, {.i = 0} },
{ MODKEY|ShiftMask, XK_C, clipcopy, {.i = 0} },
{ MODKEY|ShiftMask, XK_V, clippaste, {.i = 0} },
{ MODKEY, XK_Num_Lock, numlock, {.i = 0} },
};
/*
* Special keys (change & recompile st.info accordingly)
*
* Mask value:
* * Use XK_ANY_MOD to match the key no matter modifiers state
* * Use XK_NO_MOD to match the key alone (no modifiers)
* appkey value:
* * 0: no value
* * > 0: keypad application mode enabled
* * = 2: term.numlock = 1
* * < 0: keypad application mode disabled
* appcursor value:
* * 0: no value
* * > 0: cursor application mode enabled
* * < 0: cursor application mode disabled
* crlf value
* * 0: no value
* * > 0: crlf mode is enabled
* * < 0: crlf mode is disabled
*
* Be careful with the order of the definitions because st searches in
* this table sequentially, so any XK_ANY_MOD must be in the last
* position for a key.
*/
/*
* If you want keys other than the X11 function keys (0xFD00 - 0xFFFF)
* to be mapped below, add them to this array.
*/
static KeySym mappedkeys[] = { -1 };
/*
* State bits to ignore when matching key or button events. By default,
* numlock (Mod2Mask) and keyboard layout (XK_SWITCH_MOD) are ignored.
*/
static uint ignoremod = Mod2Mask|XK_SWITCH_MOD;
/*
* Override mouse-select while mask is active (when MODE_MOUSE is set).
* Note that if you want to use ShiftMask with selmasks, set this to an other
* modifier, set to 0 to not use it.
*/
static uint forceselmod = ShiftMask;
/*
* This is the huge key array which defines all compatibility to the Linux
* world. Please decide about changes wisely.
*/
static Key key[] = {
/* keysym mask string appkey appcursor crlf */
{ XK_KP_Home, ShiftMask, "\033[2J", 0, -1, 0},
{ XK_KP_Home, ShiftMask, "\033[1;2H", 0, +1, 0},
{ XK_KP_Home, XK_ANY_MOD, "\033[H", 0, -1, 0},
{ XK_KP_Home, XK_ANY_MOD, "\033[1~", 0, +1, 0},
{ XK_KP_Up, XK_ANY_MOD, "\033Ox", +1, 0, 0},
{ XK_KP_Up, XK_ANY_MOD, "\033[A", 0, -1, 0},
{ XK_KP_Up, XK_ANY_MOD, "\033OA", 0, +1, 0},
{ XK_KP_Down, XK_ANY_MOD, "\033Or", +1, 0, 0},
{ XK_KP_Down, XK_ANY_MOD, "\033[B", 0, -1, 0},
{ XK_KP_Down, XK_ANY_MOD, "\033OB", 0, +1, 0},
{ XK_KP_Left, XK_ANY_MOD, "\033Ot", +1, 0, 0},
{ XK_KP_Left, XK_ANY_MOD, "\033[D", 0, -1, 0},
{ XK_KP_Left, XK_ANY_MOD, "\033OD", 0, +1, 0},
{ XK_KP_Right, XK_ANY_MOD, "\033Ov", +1, 0, 0},
{ XK_KP_Right, XK_ANY_MOD, "\033[C", 0, -1, 0},
{ XK_KP_Right, XK_ANY_MOD, "\033OC", 0, +1, 0},
{ XK_KP_Prior, ShiftMask, "\033[5;2~", 0, 0, 0},
{ XK_KP_Prior, XK_ANY_MOD, "\033[5~", 0, 0, 0},
{ XK_KP_Begin, XK_ANY_MOD, "\033[E", 0, 0, 0},
{ XK_KP_End, ControlMask, "\033[J", -1, 0, 0},
{ XK_KP_End, ControlMask, "\033[1;5F", +1, 0, 0},
{ XK_KP_End, ShiftMask, "\033[K", -1, 0, 0},
{ XK_KP_End, ShiftMask, "\033[1;2F", +1, 0, 0},
{ XK_KP_End, XK_ANY_MOD, "\033[4~", 0, 0, 0},
{ XK_KP_Next, ShiftMask, "\033[6;2~", 0, 0, 0},
{ XK_KP_Next, XK_ANY_MOD, "\033[6~", 0, 0, 0},
{ XK_KP_Insert, ShiftMask, "\033[2;2~", +1, 0, 0},
{ XK_KP_Insert, ShiftMask, "\033[4l", -1, 0, 0},
{ XK_KP_Insert, ControlMask, "\033[L", -1, 0, 0},
{ XK_KP_Insert, ControlMask, "\033[2;5~", +1, 0, 0},
{ XK_KP_Insert, XK_ANY_MOD, "\033[4h", -1, 0, 0},
{ XK_KP_Insert, XK_ANY_MOD, "\033[2~", +1, 0, 0},
{ XK_KP_Delete, ControlMask, "\033[M", -1, 0, 0},
{ XK_KP_Delete, ControlMask, "\033[3;5~", +1, 0, 0},
{ XK_KP_Delete, ShiftMask, "\033[2K", -1, 0, 0},
{ XK_KP_Delete, ShiftMask, "\033[3;2~", +1, 0, 0},
{ XK_KP_Delete, XK_ANY_MOD, "\033[P", -1, 0, 0},
{ XK_KP_Delete, XK_ANY_MOD, "\033[3~", +1, 0, 0},
{ XK_KP_Multiply, XK_ANY_MOD, "\033Oj", +2, 0, 0},
{ XK_KP_Add, XK_ANY_MOD, "\033Ok", +2, 0, 0},
{ XK_KP_Enter, XK_ANY_MOD, "\033OM", +2, 0, 0},
{ XK_KP_Enter, XK_ANY_MOD, "\r", -1, 0, -1},
{ XK_KP_Enter, XK_ANY_MOD, "\r\n", -1, 0, +1},
{ XK_KP_Subtract, XK_ANY_MOD, "\033Om", +2, 0, 0},
{ XK_KP_Decimal, XK_ANY_MOD, "\033On", +2, 0, 0},
{ XK_KP_Divide, XK_ANY_MOD, "\033Oo", +2, 0, 0},
{ XK_KP_0, XK_ANY_MOD, "\033Op", +2, 0, 0},
{ XK_KP_1, XK_ANY_MOD, "\033Oq", +2, 0, 0},
{ XK_KP_2, XK_ANY_MOD, "\033Or", +2, 0, 0},
{ XK_KP_3, XK_ANY_MOD, "\033Os", +2, 0, 0},
{ XK_KP_4, XK_ANY_MOD, "\033Ot", +2, 0, 0},
{ XK_KP_5, XK_ANY_MOD, "\033Ou", +2, 0, 0},
{ XK_KP_6, XK_ANY_MOD, "\033Ov", +2, 0, 0},
{ XK_KP_7, XK_ANY_MOD, "\033Ow", +2, 0, 0},
{ XK_KP_8, XK_ANY_MOD, "\033Ox", +2, 0, 0},
{ XK_KP_9, XK_ANY_MOD, "\033Oy", +2, 0, 0},
{ XK_Up, ShiftMask, "\033[1;2A", 0, 0, 0},
{ XK_Up, ControlMask, "\033[1;5A", 0, 0, 0},
{ XK_Up, Mod1Mask, "\033[1;3A", 0, 0, 0},
{ XK_Up, XK_ANY_MOD, "\033[A", 0, -1, 0},
{ XK_Up, XK_ANY_MOD, "\033OA", 0, +1, 0},
{ XK_Down, ShiftMask, "\033[1;2B", 0, 0, 0},
{ XK_Down, ControlMask, "\033[1;5B", 0, 0, 0},
{ XK_Down, Mod1Mask, "\033[1;3B", 0, 0, 0},
{ XK_Down, XK_ANY_MOD, "\033[B", 0, -1, 0},
{ XK_Down, XK_ANY_MOD, "\033OB", 0, +1, 0},
{ XK_Left, ShiftMask, "\033[1;2D", 0, 0, 0},
{ XK_Left, ControlMask, "\033[1;5D", 0, 0, 0},
{ XK_Left, Mod1Mask, "\033[1;3D", 0, 0, 0},
{ XK_Left, XK_ANY_MOD, "\033[D", 0, -1, 0},
{ XK_Left, XK_ANY_MOD, "\033OD", 0, +1, 0},
{ XK_Right, ShiftMask, "\033[1;2C", 0, 0, 0},
{ XK_Right, ControlMask, "\033[1;5C", 0, 0, 0},
{ XK_Right, Mod1Mask, "\033[1;3C", 0, 0, 0},
{ XK_Right, XK_ANY_MOD, "\033[C", 0, -1, 0},
{ XK_Right, XK_ANY_MOD, "\033OC", 0, +1, 0},
{ XK_ISO_Left_Tab, ShiftMask, "\033[Z", 0, 0, 0},
{ XK_Return, Mod1Mask, "\033\r", 0, 0, -1},
{ XK_Return, Mod1Mask, "\033\r\n", 0, 0, +1},
{ XK_Return, XK_ANY_MOD, "\r", 0, 0, -1},
{ XK_Return, XK_ANY_MOD, "\r\n", 0, 0, +1},
{ XK_Insert, ShiftMask, "\033[4l", -1, 0, 0},
{ XK_Insert, ShiftMask, "\033[2;2~", +1, 0, 0},
{ XK_Insert, ControlMask, "\033[L", -1, 0, 0},
{ XK_Insert, ControlMask, "\033[2;5~", +1, 0, 0},
{ XK_Insert, XK_ANY_MOD, "\033[4h", -1, 0, 0},
{ XK_Insert, XK_ANY_MOD, "\033[2~", +1, 0, 0},
{ XK_Delete, ControlMask, "\033[M", -1, 0, 0},
{ XK_Delete, ControlMask, "\033[3;5~", +1, 0, 0},
{ XK_Delete, ShiftMask, "\033[2K", -1, 0, 0},
{ XK_Delete, ShiftMask, "\033[3;2~", +1, 0, 0},
{ XK_Delete, XK_ANY_MOD, "\033[P", -1, 0, 0},
{ XK_Delete, XK_ANY_MOD, "\033[3~", +1, 0, 0},
{ XK_BackSpace, XK_NO_MOD, "\177", 0, 0, 0},
{ XK_BackSpace, Mod1Mask, "\033\177", 0, 0, 0},
{ XK_Home, ShiftMask, "\033[2J", 0, -1, 0},
{ XK_Home, ShiftMask, "\033[1;2H", 0, +1, 0},
{ XK_Home, XK_ANY_MOD, "\033[H", 0, -1, 0},
{ XK_Home, XK_ANY_MOD, "\033[1~", 0, +1, 0},
{ XK_End, ControlMask, "\033[J", -1, 0, 0},
{ XK_End, ControlMask, "\033[1;5F", +1, 0, 0},
{ XK_End, ShiftMask, "\033[K", -1, 0, 0},
{ XK_End, ShiftMask, "\033[1;2F", +1, 0, 0},
{ XK_End, XK_ANY_MOD, "\033[4~", 0, 0, 0},
{ XK_Prior, ControlMask, "\033[5;5~", 0, 0, 0},
{ XK_Prior, ShiftMask, "\033[5;2~", 0, 0, 0},
{ XK_Prior, XK_ANY_MOD, "\033[5~", 0, 0, 0},
{ XK_Next, ControlMask, "\033[6;5~", 0, 0, 0},
{ XK_Next, ShiftMask, "\033[6;2~", 0, 0, 0},
{ XK_Next, XK_ANY_MOD, "\033[6~", 0, 0, 0},
{ XK_F1, XK_NO_MOD, "\033OP" , 0, 0, 0},
{ XK_F1, /* F13 */ ShiftMask, "\033[1;2P", 0, 0, 0},
{ XK_F1, /* F25 */ ControlMask, "\033[1;5P", 0, 0, 0},
{ XK_F1, /* F37 */ Mod4Mask, "\033[1;6P", 0, 0, 0},
{ XK_F1, /* F49 */ Mod1Mask, "\033[1;3P", 0, 0, 0},
{ XK_F1, /* F61 */ Mod3Mask, "\033[1;4P", 0, 0, 0},
{ XK_F2, XK_NO_MOD, "\033OQ" , 0, 0, 0},
{ XK_F2, /* F14 */ ShiftMask, "\033[1;2Q", 0, 0, 0},
{ XK_F2, /* F26 */ ControlMask, "\033[1;5Q", 0, 0, 0},
{ XK_F2, /* F38 */ Mod4Mask, "\033[1;6Q", 0, 0, 0},
{ XK_F2, /* F50 */ Mod1Mask, "\033[1;3Q", 0, 0, 0},
{ XK_F2, /* F62 */ Mod3Mask, "\033[1;4Q", 0, 0, 0},
{ XK_F3, XK_NO_MOD, "\033OR" , 0, 0, 0},
{ XK_F3, /* F15 */ ShiftMask, "\033[1;2R", 0, 0, 0},
{ XK_F3, /* F27 */ ControlMask, "\033[1;5R", 0, 0, 0},
{ XK_F3, /* F39 */ Mod4Mask, "\033[1;6R", 0, 0, 0},
{ XK_F3, /* F51 */ Mod1Mask, "\033[1;3R", 0, 0, 0},
{ XK_F3, /* F63 */ Mod3Mask, "\033[1;4R", 0, 0, 0},
{ XK_F4, XK_NO_MOD, "\033OS" , 0, 0, 0},
{ XK_F4, /* F16 */ ShiftMask, "\033[1;2S", 0, 0, 0},
{ XK_F4, /* F28 */ ControlMask, "\033[1;5S", 0, 0, 0},
{ XK_F4, /* F40 */ Mod4Mask, "\033[1;6S", 0, 0, 0},
{ XK_F4, /* F52 */ Mod1Mask, "\033[1;3S", 0, 0, 0},
{ XK_F5, XK_NO_MOD, "\033[15~", 0, 0, 0},
{ XK_F5, /* F17 */ ShiftMask, "\033[15;2~", 0, 0, 0},
{ XK_F5, /* F29 */ ControlMask, "\033[15;5~", 0, 0, 0},
{ XK_F5, /* F41 */ Mod4Mask, "\033[15;6~", 0, 0, 0},
{ XK_F5, /* F53 */ Mod1Mask, "\033[15;3~", 0, 0, 0},
{ XK_F6, XK_NO_MOD, "\033[17~", 0, 0, 0},
{ XK_F6, /* F18 */ ShiftMask, "\033[17;2~", 0, 0, 0},
{ XK_F6, /* F30 */ ControlMask, "\033[17;5~", 0, 0, 0},
{ XK_F6, /* F42 */ Mod4Mask, "\033[17;6~", 0, 0, 0},
{ XK_F6, /* F54 */ Mod1Mask, "\033[17;3~", 0, 0, 0},
{ XK_F7, XK_NO_MOD, "\033[18~", 0, 0, 0},
{ XK_F7, /* F19 */ ShiftMask, "\033[18;2~", 0, 0, 0},
{ XK_F7, /* F31 */ ControlMask, "\033[18;5~", 0, 0, 0},
{ XK_F7, /* F43 */ Mod4Mask, "\033[18;6~", 0, 0, 0},
{ XK_F7, /* F55 */ Mod1Mask, "\033[18;3~", 0, 0, 0},
{ XK_F8, XK_NO_MOD, "\033[19~", 0, 0, 0},
{ XK_F8, /* F20 */ ShiftMask, "\033[19;2~", 0, 0, 0},
{ XK_F8, /* F32 */ ControlMask, "\033[19;5~", 0, 0, 0},
{ XK_F8, /* F44 */ Mod4Mask, "\033[19;6~", 0, 0, 0},
{ XK_F8, /* F56 */ Mod1Mask, "\033[19;3~", 0, 0, 0},
{ XK_F9, XK_NO_MOD, "\033[20~", 0, 0, 0},
{ XK_F9, /* F21 */ ShiftMask, "\033[20;2~", 0, 0, 0},
{ XK_F9, /* F33 */ ControlMask, "\033[20;5~", 0, 0, 0},
{ XK_F9, /* F45 */ Mod4Mask, "\033[20;6~", 0, 0, 0},
{ XK_F9, /* F57 */ Mod1Mask, "\033[20;3~", 0, 0, 0},
{ XK_F10, XK_NO_MOD, "\033[21~", 0, 0, 0},
{ XK_F10, /* F22 */ ShiftMask, "\033[21;2~", 0, 0, 0},
{ XK_F10, /* F34 */ ControlMask, "\033[21;5~", 0, 0, 0},
{ XK_F10, /* F46 */ Mod4Mask, "\033[21;6~", 0, 0, 0},
{ XK_F10, /* F58 */ Mod1Mask, "\033[21;3~", 0, 0, 0},
{ XK_F11, XK_NO_MOD, "\033[23~", 0, 0, 0},
{ XK_F11, /* F23 */ ShiftMask, "\033[23;2~", 0, 0, 0},
{ XK_F11, /* F35 */ ControlMask, "\033[23;5~", 0, 0, 0},
{ XK_F11, /* F47 */ Mod4Mask, "\033[23;6~", 0, 0, 0},
{ XK_F11, /* F59 */ Mod1Mask, "\033[23;3~", 0, 0, 0},
{ XK_F12, XK_NO_MOD, "\033[24~", 0, 0, 0},
{ XK_F12, /* F24 */ ShiftMask, "\033[24;2~", 0, 0, 0},
{ XK_F12, /* F36 */ ControlMask, "\033[24;5~", 0, 0, 0},
{ XK_F12, /* F48 */ Mod4Mask, "\033[24;6~", 0, 0, 0},
{ XK_F12, /* F60 */ Mod1Mask, "\033[24;3~", 0, 0, 0},
{ XK_F13, XK_NO_MOD, "\033[1;2P", 0, 0, 0},
{ XK_F14, XK_NO_MOD, "\033[1;2Q", 0, 0, 0},
{ XK_F15, XK_NO_MOD, "\033[1;2R", 0, 0, 0},
{ XK_F16, XK_NO_MOD, "\033[1;2S", 0, 0, 0},
{ XK_F17, XK_NO_MOD, "\033[15;2~", 0, 0, 0},
{ XK_F18, XK_NO_MOD, "\033[17;2~", 0, 0, 0},
{ XK_F19, XK_NO_MOD, "\033[18;2~", 0, 0, 0},
{ XK_F20, XK_NO_MOD, "\033[19;2~", 0, 0, 0},
{ XK_F21, XK_NO_MOD, "\033[20;2~", 0, 0, 0},
{ XK_F22, XK_NO_MOD, "\033[21;2~", 0, 0, 0},
{ XK_F23, XK_NO_MOD, "\033[23;2~", 0, 0, 0},
{ XK_F24, XK_NO_MOD, "\033[24;2~", 0, 0, 0},
{ XK_F25, XK_NO_MOD, "\033[1;5P", 0, 0, 0},
{ XK_F26, XK_NO_MOD, "\033[1;5Q", 0, 0, 0},
{ XK_F27, XK_NO_MOD, "\033[1;5R", 0, 0, 0},
{ XK_F28, XK_NO_MOD, "\033[1;5S", 0, 0, 0},
{ XK_F29, XK_NO_MOD, "\033[15;5~", 0, 0, 0},
{ XK_F30, XK_NO_MOD, "\033[17;5~", 0, 0, 0},
{ XK_F31, XK_NO_MOD, "\033[18;5~", 0, 0, 0},
{ XK_F32, XK_NO_MOD, "\033[19;5~", 0, 0, 0},
{ XK_F33, XK_NO_MOD, "\033[20;5~", 0, 0, 0},
{ XK_F34, XK_NO_MOD, "\033[21;5~", 0, 0, 0},
{ XK_F35, XK_NO_MOD, "\033[23;5~", 0, 0, 0},
};
/*
* Selection types' masks.
* Use the same masks as usual.
* Button1Mask is always unset, to make masks match between ButtonPress.
* ButtonRelease and MotionNotify.
* If no match is found, regular selection is used.
*/
static uint selmasks[] = {
[SEL_RECTANGULAR] = Mod1Mask,
};
/*
* Printable characters in ASCII, used to estimate the advance width
* of single wide characters.
*/
static char ascii_printable[] =
" !\"#$%&'()*+,-./0123456789:;<=>?"
"@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_"
"`abcdefghijklmnopqrstuvwxyz{|}~";