+++ /dev/null
-#define XINERAMA
-
-/* See LICENSE for license details. */
-#include <locale.h>
-#include <pwd.h>
-#include <sys/ioctl.h>
-#include <sys/select.h>
-#include <sys/stat.h>
-#include <sys/time.h>
-#include <sys/wait.h>
-#include <termios.h>
-#include <time.h>
-#include <libgen.h>
-#include <X11/Xatom.h>
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-#include <X11/cursorfont.h>
-#include <X11/keysym.h>
-#include <X11/Xft/Xft.h>
-#include <X11/XKBlib.h>
-#include <fontconfig/fontconfig.h>
-#include <wchar.h>
-
-#define Glyph Glyph_
-#define Font Font_
-
-#if defined(__linux)
- #include <pty.h>
-#elif defined(__OpenBSD__) || defined(__NetBSD__) || defined(__APPLE__)
- #include <util.h>
-#elif defined(__FreeBSD__) || defined(__DragonFly__)
- #include <libutil.h>
-#endif
-
-/* XEMBED messages */
-#define XEMBED_FOCUS_IN 4
-#define XEMBED_FOCUS_OUT 5
-
-/* Arbitrary sizes */
-#define UTF_INVALID 0xFFFD
-#define UTF_SIZ 4
-#define ESC_BUF_SIZ (128*UTF_SIZ)
-#define ESC_ARG_SIZ 16
-#define STR_BUF_SIZ ESC_BUF_SIZ
-#define STR_ARG_SIZ ESC_ARG_SIZ
-#define XK_ANY_MOD UINT_MAX
-#define XK_NO_MOD 0
-#define XK_SWITCH_MOD (1<<13)
-
-/* macros */
-#define MIN(a, b) ((a) < (b) ? (a) : (b))
-#define MAX(a, b) ((a) < (b) ? (b) : (a))
-#define LEN(a) (sizeof(a) / sizeof(a)[0])
-#define DEFAULT(a, b) (a) = (a) ? (a) : (b)
-#define BETWEEN(x, a, b) ((a) <= (x) && (x) <= (b))
-#define DIVCEIL(n, d) (((n) + ((d) - 1)) / (d))
-#define ISCONTROLC0(c) (BETWEEN(c, 0, 0x1f) || (c) == '\177')
-#define ISCONTROLC1(c) (BETWEEN(c, 0x80, 0x9f))
-#define ISCONTROL(c) (ISCONTROLC0(c) || ISCONTROLC1(c))
-#define ISDELIM(u) (utf8strchr(worddelimiters, u) != NULL)
-#define LIMIT(x, a, b) (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x)
-#define ATTRCMP(a, b) ((a).mode != (b).mode || (a).fg != (b).fg || \
- (a).bg != (b).bg)
-#define IS_SET(flag) ((term.mode & (flag)) != 0)
-#define TIMEDIFF(t1, t2) ((t1.tv_sec-t2.tv_sec)*1000 + \
- (t1.tv_nsec-t2.tv_nsec)/1E6)
-#define MODBIT(x, set, bit) ((set) ? ((x) |= (bit)) : ((x) &= ~(bit)))
-
-#define TRUECOLOR(r,g,b) (1 << 24 | (r) << 16 | (g) << 8 | (b))
-#define IS_TRUECOL(x) (1 << 24 & (x))
-#define TRUERED(x) (((x) & 0xff0000) >> 8)
-#define TRUEGREEN(x) (((x) & 0xff00))
-#define TRUEBLUE(x) (((x) & 0xff) << 8)
-#define TLINE(y) ((y) < term.scr ? term.hist[((y) + term.histi - term.scr \
- + histsize + 1) % histsize] : term.line[(y) - term.scr])
-
-
-enum glyph_attribute {
- ATTR_NULL = 0,
- ATTR_BOLD = 1 << 0,
- ATTR_FAINT = 1 << 1,
- ATTR_ITALIC = 1 << 2,
- ATTR_UNDERLINE = 1 << 3,
- ATTR_BLINK = 1 << 4,
- ATTR_REVERSE = 1 << 5,
- ATTR_INVISIBLE = 1 << 6,
- ATTR_STRUCK = 1 << 7,
- ATTR_WRAP = 1 << 8,
- ATTR_WIDE = 1 << 9,
- ATTR_WDUMMY = 1 << 10,
- ATTR_BOLD_FAINT = ATTR_BOLD | ATTR_FAINT,
-};
-
-enum cursor_movement {
- CURSOR_SAVE,
- CURSOR_LOAD
-};
-
-enum cursor_state {
- CURSOR_DEFAULT = 0,
- CURSOR_WRAPNEXT = 1,
- CURSOR_ORIGIN = 2
-};
-
-enum term_mode {
- MODE_WRAP = 1 << 0,
- MODE_INSERT = 1 << 1,
- MODE_APPKEYPAD = 1 << 2,
- MODE_ALTSCREEN = 1 << 3,
- MODE_CRLF = 1 << 4,
- MODE_MOUSEBTN = 1 << 5,
- MODE_MOUSEMOTION = 1 << 6,
- MODE_REVERSE = 1 << 7,
- MODE_KBDLOCK = 1 << 8,
- MODE_HIDE = 1 << 9,
- MODE_ECHO = 1 << 10,
- MODE_APPCURSOR = 1 << 11,
- MODE_MOUSESGR = 1 << 12,
- MODE_8BIT = 1 << 13,
- MODE_BLINK = 1 << 14,
- MODE_FBLINK = 1 << 15,
- MODE_FOCUS = 1 << 16,
- MODE_MOUSEX10 = 1 << 17,
- MODE_MOUSEMANY = 1 << 18,
- MODE_BRCKTPASTE = 1 << 19,
- MODE_PRINT = 1 << 20,
- MODE_MOUSE = MODE_MOUSEBTN|MODE_MOUSEMOTION|MODE_MOUSEX10\
- |MODE_MOUSEMANY,
-};
-
-enum charset {
- CS_GRAPHIC0,
- CS_GRAPHIC1,
- CS_UK,
- CS_USA,
- CS_MULTI,
- CS_GER,
- CS_FIN
-};
-
-enum escape_state {
- ESC_START = 1,
- ESC_CSI = 2,
- ESC_STR = 4, /* DCS, OSC, PM, APC */
- ESC_ALTCHARSET = 8,
- ESC_STR_END = 16, /* a final string was encountered */
- ESC_TEST = 32, /* Enter in test mode */
-};
-
-enum window_state {
- WIN_VISIBLE = 1,
- WIN_FOCUSED = 2
-};
-
-enum selection_mode {
- SEL_IDLE = 0,
- SEL_EMPTY = 1,
- SEL_READY = 2
-};
-
-enum selection_type {
- SEL_REGULAR = 1,
- SEL_RECTANGULAR = 2
-};
-
-enum selection_snap {
- SNAP_WORD = 1,
- SNAP_LINE = 2
-};
-
-typedef unsigned char uchar;
-typedef unsigned int uint;
-typedef unsigned long ulong;
-typedef unsigned short ushort;
-
-typedef uint_least32_t Rune;
-
-typedef XftDraw *Draw;
-typedef XftColor Color;
-
-typedef struct {
- Rune u; /* character code */
- ushort mode; /* attribute flags */
- uint32_t fg; /* foreground */
- uint32_t bg; /* background */
-} Glyph;
-
-typedef Glyph *Line;
-
-typedef struct {
- Glyph attr; /* current char attributes */
- int x;
- int y;
- char state;
-} TCursor;
-
-/* CSI Escape sequence structs */
-/* ESC '[' [[ [<priv>] <arg> [;]] <mode> [<mode>]] */
-typedef struct {
- char buf[ESC_BUF_SIZ]; /* raw string */
- int len; /* raw string length */
- char priv;
- int arg[ESC_ARG_SIZ];
- int narg; /* nb of args */
- char mode[2];
-} CSIEscape;
-
-/* STR Escape sequence structs */
-/* ESC type [[ [<priv>] <arg> [;]] <mode>] ESC '\' */
-typedef struct {
- char type; /* ESC type ... */
- char buf[STR_BUF_SIZ]; /* raw string */
- int len; /* raw string length */
- char *args[STR_ARG_SIZ];
- int narg; /* nb of args */
-} STREscape;
-
-/* Purely graphic info */
-typedef struct {
- Display *dpy;
- Colormap cmap;
- Window win;
- Drawable buf;
- Atom xembed, wmdeletewin, netwmname, netwmpid;
- XIM xim;
- XIC xic;
- Draw draw;
- Visual *vis;
- XSetWindowAttributes attrs;
- int scr;
- int isfixed; /* is fixed geometry? */
- int l, t; /* left and top offset */
- int gm; /* geometry mask */
- int tw, th; /* tty width and height */
- int w, h; /* window width and height */
- int ch; /* char height */
- int cw; /* char width */
- char state; /* focus, redraw, visible */
- int cursor; /* cursor style */
-} XWindow;
-
-typedef struct {
- uint b;
- uint mask;
- char *s;
-} MouseShortcut;
-
-typedef struct {
- KeySym k;
- uint mask;
- char *s;
- /* three valued logic variables: 0 indifferent, 1 on, -1 off */
- signed char appkey; /* application keypad */
- signed char appcursor; /* application cursor */
- signed char crlf; /* crlf mode */
-} Key;
-
-typedef struct {
- int mode;
- int type;
- int snap;
- /*
- * Selection variables:
- * nb – normalized coordinates of the beginning of the selection
- * ne – normalized coordinates of the end of the selection
- * ob – original coordinates of the beginning of the selection
- * oe – original coordinates of the end of the selection
- */
- struct {
- int x, y;
- } nb, ne, ob, oe;
-
- char *primary, *clipboard;
- Atom xtarget;
- int alt;
- struct timespec tclick1;
- struct timespec tclick2;
-} Selection;
-
-typedef union {
- int i;
- uint ui;
- float f;
- const void *v;
-} Arg;
-
-typedef struct {
- uint mod;
- KeySym keysym;
- void (*func)(const Arg *);
- const Arg arg;
-} Shortcut;
-
-/* function definitions used in config.h */
-static void clipcopy(const Arg *);
-static void clippaste(const Arg *);
-static void kscrolldown(const Arg *);
-static void kscrollup(const Arg *);
-static void numlock(const Arg *);
-static void selpaste(const Arg *);
-
-/* See LICENSE file for copyright and license details. */
-
-/*
- * appearance
- *
- * font: see http://freedesktop.org/software/fontconfig/fontconfig-user.html
- */
-#ifdef __MACH__
-static char font[] = "Monaco:size=11:antialias=true:autohint=true";
-#else
-static char font[] = "Liberation Mono:pixelsize=14:antialias=true:autohint=true";
-#endif
-static int borderpx = 2;
-#define histsize 5000
-
-/* shell */
-static char* shell[] = { "/bin/bash", "-l", 0 };
-
-/* 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;
-
-/* 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 kernel 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[] = {
- /* gruvbox dark hard */
- "#1d2021",
- "#cc241d",
- "#98971a",
- "#fb4934",
- "#d79921",
- "#458588",
- "#b16286",
- "#689d6a",
- "#d5c4a1",
- "#928374",
- "#b8bb26",
- "#fabd2f",
- "#83a598",
- "#d3869b",
- "#8ec07c",
- "#ebdbb2",
-};
-
-/*
- * Default colors (colorname index)
- * foreground, background, cursor, reverse cursor
- */
-static unsigned int defaultfg = 8;
-static unsigned int defaultbg = 0;
-static unsigned int defaultcs = 8;
-static unsigned int defaultrcs = 0;
-
-/*
- * 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 */
- { 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} },
- { ShiftMask, XK_Page_Up, kscrollup, {.i = -1} },
- { ShiftMask, XK_Page_Down, kscrolldown, {.i = -1} },
-};
-
-/*
- * 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{|}~";
-
-/* Internal representation of the screen */
-typedef struct {
- int row; /* nb row */
- int col; /* nb col */
- Line *line; /* screen */
- Line *alt; /* alternate screen */
- Line hist[histsize]; /* history buffer */
- int histi; /* history index */
- int scr; /* scroll back */
- int *dirty; /* dirtyness of lines */
- XftGlyphFontSpec *specbuf; /* font spec buffer used for rendering */
- TCursor c; /* cursor */
- int top; /* top scroll limit */
- int bot; /* bottom scroll limit */
- int mode; /* terminal mode flags */
- int esc; /* escape state flags */
- char trantbl[4]; /* charset table translation */
- int charset; /* current charset */
- int icharset; /* selected charset for sequence */
- int numlock; /* lock numbers in keyboard */
- int *tabs;
-} Term;
-
-/* Font structure */
-typedef struct {
- int height;
- int width;
- int ascent;
- int descent;
- short lbearing;
- short rbearing;
- XftFont *match;
- FcFontSet *set;
- FcPattern *pattern;
-} Font;
-
-/* Drawing Context */
-typedef struct {
- Color col[MAX(LEN(colorname), 256)];
- Font font, bfont, ifont, ibfont;
- GC gc;
-} DC;
-
-static void die(const char *, ...);
-static void draw(void);
-static void redraw(void);
-static void drawregion(int, int, int, int);
-static void execsh(void);
-static void sigchld(int);
-static void run(void);
-
-static void csidump(void);
-static void csihandle(void);
-static void csiparse(void);
-static void csireset(void);
-static int eschandle(uchar);
-static void strdump(void);
-static void strhandle(void);
-static void strparse(void);
-static void strreset(void);
-
-static int tattrset(int);
-static void tclearregion(int, int, int, int);
-static void tcursor(int);
-static void tdeletechar(int);
-static void tdeleteline(int);
-static void tinsertblank(int);
-static void tinsertblankline(int);
-static int tlinelen(int);
-static void tmoveto(int, int);
-static void tmoveato(int, int);
-static void tnew(int, int);
-static void tnewline(int);
-static void tputtab(int);
-static void tputc(Rune);
-static void treset(void);
-static void tresize(int, int);
-static void tscrollup(int, int, int);
-static void tscrolldown(int, int, int);
-static void tsetattr(int *, int);
-static void tsetchar(Rune, Glyph *, int, int);
-static void tsetscroll(int, int);
-static void tswapscreen(void);
-static void tsetdirt(int, int);
-static void tsetdirtattr(int);
-static void tsetmode(int, int, int *, int);
-static void tfulldirt(void);
-static void techo(Rune);
-static void tcontrolcode(uchar );
-static void tdectest(char );
-static int32_t tdefcolor(int *, int *, int);
-static void tdeftran(char);
-static inline int match(uint, uint);
-static void ttynew(void);
-static size_t ttyread(void);
-static void ttyresize(void);
-static void ttysend(char *, size_t);
-static void ttywrite(const char *, size_t);
-static void tstrsequence(uchar);
-
-static inline ushort sixd_to_16bit(int);
-static int xmakeglyphfontspecs(XftGlyphFontSpec *, const Glyph *, int, int, int);
-static void xdrawglyphfontspecs(const XftGlyphFontSpec *, Glyph, int, int, int);
-static void xdrawglyph(Glyph, int, int);
-static void xhints(void);
-static void xclear(int, int, int, int);
-static void xdrawcursor(void);
-static void xinit(void);
-static void xloadcols(void);
-static int xsetcolorname(int, const char *);
-static int xgeommasktogravity(int);
-static int xloadfont(Font *, FcPattern *);
-static void xloadfonts(char *, double);
-static void xsettitle(char *);
-static void xresettitle(void);
-static void xsetpointermotion(int);
-static void xseturgency(int);
-static void xsetsel(char *, Time);
-static void xresize(int, int);
-
-static void expose(XEvent *);
-static void visibility(XEvent *);
-static void unmap(XEvent *);
-static char *kmap(KeySym, uint);
-static void kpress(XEvent *);
-static void cmessage(XEvent *);
-static void cresize(int, int);
-static void resize(XEvent *);
-static void focus(XEvent *);
-static void brelease(XEvent *);
-static void bpress(XEvent *);
-static void bmotion(XEvent *);
-static void propnotify(XEvent *);
-static void selnotify(XEvent *);
-static void selclear(XEvent *);
-static void selrequest(XEvent *);
-
-static void selinit(void);
-static void selnormalize(void);
-static inline int selected(int, int);
-static char *getsel(void);
-static void selcopy(Time);
-static void selscroll(int, int);
-static void selsnap(int *, int *, int);
-static int x2col(int);
-static int y2row(int);
-static void getbuttoninfo(XEvent *);
-static void mousereport(XEvent *);
-
-static size_t utf8decode(char *, Rune *, size_t);
-static Rune utf8decodebyte(char, size_t *);
-static size_t utf8encode(Rune, char *);
-static char utf8encodebyte(Rune, size_t);
-static char *utf8strchr(char *s, Rune u);
-static size_t utf8validate(Rune *, size_t);
-
-static void *xmalloc(size_t);
-static void *xrealloc(void *, size_t);
-static char *xstrdup(char *);
-
-static void (*handler[LASTEvent])(XEvent *) = {
- [KeyPress] = kpress,
- [ClientMessage] = cmessage,
- [ConfigureNotify] = resize,
- [VisibilityNotify] = visibility,
- [UnmapNotify] = unmap,
- [Expose] = expose,
- [FocusIn] = focus,
- [FocusOut] = focus,
- [MotionNotify] = bmotion,
- [ButtonPress] = bpress,
- [ButtonRelease] = brelease,
-/*
- * Uncomment if you want the selection to disappear when you select something
- * different in another window.
- */
-/* [SelectionClear] = selclear, */
- [SelectionNotify] = selnotify,
-/*
- * PropertyNotify is only turned on when there is some INCR transfer happening
- * for the selection retrieval.
- */
- [PropertyNotify] = propnotify,
- [SelectionRequest] = selrequest,
-};
-
-/* Globals */
-static DC dc;
-static XWindow xw;
-static Term term;
-static CSIEscape csiescseq;
-static STREscape strescseq;
-static int cmdfd;
-static pid_t pid;
-static Selection sel;
-static int iofd = 1;
-static int oldbutton = 3; /* button event on startup: 3 = release */
-
-static char *usedfont = NULL;
-static double usedfontsize = 0;
-static double defaultfontsize = 0;
-
-static uchar utfbyte[UTF_SIZ + 1] = {0x80, 0, 0xC0, 0xE0, 0xF0};
-static uchar utfmask[UTF_SIZ + 1] = {0xC0, 0x80, 0xE0, 0xF0, 0xF8};
-static Rune utfmin[UTF_SIZ + 1] = { 0, 0, 0x80, 0x800, 0x10000};
-static Rune utfmax[UTF_SIZ + 1] = {0x10FFFF, 0x7F, 0x7FF, 0xFFFF, 0x10FFFF};
-
-char *cwd;
-char *plumber_cmd = "tfetch";
-
-/* Font Ring Cache */
-enum {
- FRC_NORMAL,
- FRC_ITALIC,
- FRC_BOLD,
- FRC_ITALICBOLD
-};
-
-typedef struct {
- XftFont *font;
- int flags;
- Rune unicodep;
-} Fontcache;
-
-/* Fontcache is an array now. A new font will be appended to the array. */
-static Fontcache frc[16];
-static int frclen = 0;
-
-void *
-xmalloc(size_t len)
-{
- void *p = malloc(len);
-
- if (!p)
- die("Out of memory\n");
-
- return p;
-}
-
-void *
-xrealloc(void *p, size_t len)
-{
- if ((p = realloc(p, len)) == NULL)
- die("Out of memory\n");
-
- return p;
-}
-
-char *
-xstrdup(char *s)
-{
- if ((s = strdup(s)) == NULL)
- die("Out of memory\n");
-
- return s;
-}
-
-size_t
-utf8decode(char *c, Rune *u, size_t clen)
-{
- size_t i, j, len, type;
- Rune udecoded;
-
- *u = UTF_INVALID;
- if (!clen)
- return 0;
- udecoded = utf8decodebyte(c[0], &len);
- if (!BETWEEN(len, 1, UTF_SIZ))
- return 1;
- for (i = 1, j = 1; i < clen && j < len; ++i, ++j) {
- udecoded = (udecoded << 6) | utf8decodebyte(c[i], &type);
- if (type != 0)
- return j;
- }
- if (j < len)
- return 0;
- *u = udecoded;
- utf8validate(u, len);
-
- return len;
-}
-
-Rune
-utf8decodebyte(char c, size_t *i)
-{
- for (*i = 0; *i < LEN(utfmask); ++(*i))
- if (((uchar)c & utfmask[*i]) == utfbyte[*i])
- return (uchar)c & ~utfmask[*i];
-
- return 0;
-}
-
-size_t
-utf8encode(Rune u, char *c)
-{
- size_t len, i;
-
- len = utf8validate(&u, 0);
- if (len > UTF_SIZ)
- return 0;
-
- for (i = len - 1; i != 0; --i) {
- c[i] = utf8encodebyte(u, 0);
- u >>= 6;
- }
- c[0] = utf8encodebyte(u, len);
-
- return len;
-}
-
-char
-utf8encodebyte(Rune u, size_t i)
-{
- return utfbyte[i] | (u & ~utfmask[i]);
-}
-
-char *
-utf8strchr(char *s, Rune u)
-{
- Rune r;
- size_t i, j, len;
-
- len = strlen(s);
- for (i = 0, j = 0; i < len; i += j) {
- if (!(j = utf8decode(&s[i], &r, len - i)))
- break;
- if (r == u)
- return &(s[i]);
- }
-
- return NULL;
-}
-
-size_t
-utf8validate(Rune *u, size_t i)
-{
- if (!BETWEEN(*u, utfmin[i], utfmax[i]) || BETWEEN(*u, 0xD800, 0xDFFF))
- *u = UTF_INVALID;
- for (i = 1; *u > utfmax[i]; ++i)
- ;
-
- return i;
-}
-
-void
-selinit(void)
-{
- clock_gettime(CLOCK_MONOTONIC, &sel.tclick1);
- clock_gettime(CLOCK_MONOTONIC, &sel.tclick2);
- sel.mode = SEL_IDLE;
- sel.snap = 0;
- sel.ob.x = -1;
- sel.primary = NULL;
- sel.clipboard = NULL;
- sel.xtarget = XInternAtom(xw.dpy, "UTF8_STRING", 0);
- if (sel.xtarget == None)
- sel.xtarget = XA_STRING;
-}
-
-int
-x2col(int x)
-{
- x -= borderpx;
- x /= xw.cw;
-
- return LIMIT(x, 0, term.col-1);
-}
-
-int
-y2row(int y)
-{
- y -= borderpx;
- y /= xw.ch;
-
- return LIMIT(y, 0, term.row-1);
-}
-
-int
-tlinelen(int y)
-{
- int i = term.col;
-
- if (TLINE(y)[i - 1].mode & ATTR_WRAP)
- return i;
-
- while (i > 0 && TLINE(y)[i - 1].u == ' ')
- --i;
-
- return i;
-}
-
-void
-selnormalize(void)
-{
- int i;
-
- if (sel.type == SEL_REGULAR && sel.ob.y != sel.oe.y) {
- sel.nb.x = sel.ob.y < sel.oe.y ? sel.ob.x : sel.oe.x;
- sel.ne.x = sel.ob.y < sel.oe.y ? sel.oe.x : sel.ob.x;
- } else {
- sel.nb.x = MIN(sel.ob.x, sel.oe.x);
- sel.ne.x = MAX(sel.ob.x, sel.oe.x);
- }
- sel.nb.y = MIN(sel.ob.y, sel.oe.y);
- sel.ne.y = MAX(sel.ob.y, sel.oe.y);
-
- selsnap(&sel.nb.x, &sel.nb.y, -1);
- selsnap(&sel.ne.x, &sel.ne.y, +1);
-
- /* expand selection over line breaks */
- if (sel.type == SEL_RECTANGULAR)
- return;
- i = tlinelen(sel.nb.y);
- if (i < sel.nb.x)
- sel.nb.x = i;
- if (tlinelen(sel.ne.y) <= sel.ne.x)
- sel.ne.x = term.col - 1;
-}
-
-int
-selected(int x, int y)
-{
- if (sel.mode == SEL_EMPTY)
- return 0;
-
- if (sel.type == SEL_RECTANGULAR)
- return BETWEEN(y, sel.nb.y, sel.ne.y)
- && BETWEEN(x, sel.nb.x, sel.ne.x);
-
- return BETWEEN(y, sel.nb.y, sel.ne.y)
- && (y != sel.nb.y || x >= sel.nb.x)
- && (y != sel.ne.y || x <= sel.ne.x);
-}
-
-void
-selsnap(int *x, int *y, int direction)
-{
- int newx, newy, xt, yt;
- int delim, prevdelim;
- Glyph *gp, *prevgp;
-
- switch (sel.snap) {
- case SNAP_WORD:
- /*
- * Snap around if the word wraps around at the end or
- * beginning of a line.
- */
- prevgp = &TLINE(*y)[*x];
- prevdelim = ISDELIM(prevgp->u);
- for (;;) {
- newx = *x + direction;
- newy = *y;
- if (!BETWEEN(newx, 0, term.col - 1)) {
- newy += direction;
- newx = (newx + term.col) % term.col;
- if (!BETWEEN(newy, 0, term.row - 1))
- break;
-
- if (direction > 0)
- yt = *y, xt = *x;
- else
- yt = newy, xt = newx;
- if (!(TLINE(yt)[xt].mode & ATTR_WRAP))
- break;
- }
-
- if (newx >= tlinelen(newy))
- break;
-
- gp = &TLINE(newy)[newx];
- delim = ISDELIM(gp->u);
- if (!(gp->mode & ATTR_WDUMMY) && (delim != prevdelim
- || (delim && gp->u != prevgp->u)))
- break;
-
- *x = newx;
- *y = newy;
- prevgp = gp;
- prevdelim = delim;
- }
- break;
- case SNAP_LINE:
- /*
- * Snap around if the the previous line or the current one
- * has set ATTR_WRAP at its end. Then the whole next or
- * previous line will be selected.
- */
- *x = (direction < 0) ? 0 : term.col - 1;
- if (direction < 0) {
- for (; *y > 0; *y += direction) {
- if (!(TLINE(*y-1)[term.col-1].mode
- & ATTR_WRAP)) {
- break;
- }
- }
- } else if (direction > 0) {
- for (; *y < term.row-1; *y += direction) {
- if (!(TLINE(*y)[term.col-1].mode
- & ATTR_WRAP)) {
- break;
- }
- }
- }
- break;
- }
-}
-
-void
-getbuttoninfo(XEvent *e)
-{
- int type;
- uint state = e->xbutton.state & ~(Button1Mask | forceselmod);
-
- sel.alt = IS_SET(MODE_ALTSCREEN);
-
- sel.oe.x = x2col(e->xbutton.x);
- sel.oe.y = y2row(e->xbutton.y);
- selnormalize();
-
- sel.type = SEL_REGULAR;
- for (type = 1; type < LEN(selmasks); ++type) {
- if (match(selmasks[type], state)) {
- sel.type = type;
- break;
- }
- }
-}
-
-void
-mousereport(XEvent *e)
-{
- int x = x2col(e->xbutton.x), y = y2row(e->xbutton.y),
- button = e->xbutton.button, state = e->xbutton.state,
- len;
- char buf[40];
- static int ox, oy;
-
- /* from urxvt */
- if (e->xbutton.type == MotionNotify) {
- if (x == ox && y == oy)
- return;
- if (!IS_SET(MODE_MOUSEMOTION) && !IS_SET(MODE_MOUSEMANY))
- return;
- /* MOUSE_MOTION: no reporting if no button is pressed */
- if (IS_SET(MODE_MOUSEMOTION) && oldbutton == 3)
- return;
-
- button = oldbutton + 32;
- ox = x;
- oy = y;
- } else {
- if (!IS_SET(MODE_MOUSESGR) && e->xbutton.type == ButtonRelease) {
- button = 3;
- } else {
- button -= Button1;
- if (button >= 3)
- button += 64 - 3;
- }
- if (e->xbutton.type == ButtonPress) {
- oldbutton = button;
- ox = x;
- oy = y;
- } else if (e->xbutton.type == ButtonRelease) {
- oldbutton = 3;
- /* MODE_MOUSEX10: no button release reporting */
- if (IS_SET(MODE_MOUSEX10))
- return;
- if (button == 64 || button == 65)
- return;
- }
- }
-
- if (!IS_SET(MODE_MOUSEX10)) {
- button += ((state & ShiftMask ) ? 4 : 0)
- + ((state & Mod4Mask ) ? 8 : 0)
- + ((state & ControlMask) ? 16 : 0);
- }
-
- if (IS_SET(MODE_MOUSESGR)) {
- len = snprintf(buf, sizeof(buf), "\033[<%d;%d;%d%c",
- button, x+1, y+1,
- e->xbutton.type == ButtonRelease ? 'm' : 'M');
- } else if (x < 223 && y < 223) {
- len = snprintf(buf, sizeof(buf), "\033[M%c%c%c",
- 32+button, 32+x+1, 32+y+1);
- } else {
- return;
- }
-
- ttywrite(buf, len);
-}
-
-void
-bpress(XEvent *e)
-{
- struct timespec now;
- MouseShortcut *ms;
-
- if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
- mousereport(e);
- return;
- }
-
- for (ms = mshortcuts; ms < mshortcuts + LEN(mshortcuts); ms++) {
- if (e->xbutton.button == ms->b
- && match(ms->mask, e->xbutton.state)) {
- ttysend(ms->s, strlen(ms->s));
- return;
- }
- }
-
- if (e->xbutton.button == Button1) {
- clock_gettime(CLOCK_MONOTONIC, &now);
-
- /* Clear previous selection, logically and visually. */
- selclear(NULL);
- sel.mode = SEL_EMPTY;
- sel.type = SEL_REGULAR;
- sel.oe.x = sel.ob.x = x2col(e->xbutton.x);
- sel.oe.y = sel.ob.y = y2row(e->xbutton.y);
-
- /*
- * If the user clicks below predefined timeouts specific
- * snapping behaviour is exposed.
- */
- if (TIMEDIFF(now, sel.tclick2) <= tripleclicktimeout) {
- sel.snap = SNAP_LINE;
- } else if (TIMEDIFF(now, sel.tclick1) <= doubleclicktimeout) {
- sel.snap = SNAP_WORD;
- } else {
- sel.snap = 0;
- }
- selnormalize();
-
- if (sel.snap != 0)
- sel.mode = SEL_READY;
- tsetdirt(sel.nb.y, sel.ne.y);
- sel.tclick2 = sel.tclick1;
- sel.tclick1 = now;
- }
-}
-
-char *
-getsel(void)
-{
- char *str, *ptr;
- int y, bufsize, lastx, linelen;
- Glyph *gp, *last;
-
- if (sel.ob.x == -1)
- return NULL;
-
- bufsize = (term.col+1) * (sel.ne.y-sel.nb.y+1) * UTF_SIZ;
- ptr = str = xmalloc(bufsize);
-
- /* append every set & selected glyph to the selection */
- for (y = sel.nb.y; y <= sel.ne.y; y++) {
- if ((linelen = tlinelen(y)) == 0) {
- *ptr++ = '\n';
- continue;
- }
-
- if (sel.type == SEL_RECTANGULAR) {
- gp = &TLINE(y)[sel.nb.x];
- lastx = sel.ne.x;
- } else {
- gp = &TLINE(y)[sel.nb.y == y ? sel.nb.x : 0];
- lastx = (sel.ne.y == y) ? sel.ne.x : term.col-1;
- }
- last = &TLINE(y)[MIN(lastx, linelen-1)];
- while (last >= gp && last->u == ' ')
- --last;
-
- for ( ; gp <= last; ++gp) {
- if (gp->mode & ATTR_WDUMMY)
- continue;
-
- ptr += utf8encode(gp->u, ptr);
- }
-
- /*
- * Copy and pasting of line endings is inconsistent
- * in the inconsistent terminal and GUI world.
- * The best solution seems like to produce '\n' when
- * something is copied from st and convert '\n' to
- * '\r', when something to be pasted is received by
- * st.
- * FIXME: Fix the computer world.
- */
- if ((y < sel.ne.y || lastx >= linelen) && !(last->mode & ATTR_WRAP))
- *ptr++ = '\n';
- }
- *ptr = 0;
- return str;
-}
-
-void
-selcopy(Time t)
-{
- xsetsel(getsel(), t);
-}
-
-void
-propnotify(XEvent *e)
-{
- XPropertyEvent *xpev;
- Atom clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
-
- xpev = &e->xproperty;
- if (xpev->state == PropertyNewValue &&
- (xpev->atom == XA_PRIMARY ||
- xpev->atom == clipboard)) {
- selnotify(e);
- }
-}
-
-void
-selnotify(XEvent *e)
-{
- ulong nitems, ofs, rem;
- int format;
- uchar *data, *last, *repl;
- Atom type, incratom, property;
-
- incratom = XInternAtom(xw.dpy, "INCR", 0);
-
- ofs = 0;
- if (e->type == SelectionNotify) {
- property = e->xselection.property;
- } else if(e->type == PropertyNotify) {
- property = e->xproperty.atom;
- } else {
- return;
- }
- if (property == None)
- return;
-
- do {
- if (XGetWindowProperty(xw.dpy, xw.win, property, ofs,
- BUFSIZ/4, False, AnyPropertyType,
- &type, &format, &nitems, &rem,
- &data)) {
- fprintf(stderr, "Clipboard allocation failed\n");
- return;
- }
-
- if (e->type == PropertyNotify && nitems == 0 && rem == 0) {
- /*
- * If there is some PropertyNotify with no data, then
- * this is the signal of the selection owner that all
- * data has been transferred. We won't need to receive
- * PropertyNotify events anymore.
- */
- MODBIT(xw.attrs.event_mask, 0, PropertyChangeMask);
- XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask,
- &xw.attrs);
- }
-
- if (type == incratom) {
- /*
- * Activate the PropertyNotify events so we receive
- * when the selection owner does send us the next
- * chunk of data.
- */
- MODBIT(xw.attrs.event_mask, 1, PropertyChangeMask);
- XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask,
- &xw.attrs);
-
- /*
- * Deleting the property is the transfer start signal.
- */
- XDeleteProperty(xw.dpy, xw.win, (int)property);
- continue;
- }
-
- /*
- * As seen in getsel:
- * Line endings are inconsistent in the terminal and GUI world
- * copy and pasting. When receiving some selection data,
- * replace all '\n' with '\r'.
- * FIXME: Fix the computer world.
- */
- repl = data;
- last = data + nitems * format / 8;
- while ((repl = memchr(repl, '\n', last - repl))) {
- *repl++ = '\r';
- }
-
- if (IS_SET(MODE_BRCKTPASTE) && ofs == 0)
- ttywrite("\033[200~", 6);
- ttysend((char *)data, nitems * format / 8);
- if (IS_SET(MODE_BRCKTPASTE) && rem == 0)
- ttywrite("\033[201~", 6);
- XFree(data);
- /* number of 32-bit chunks returned */
- ofs += nitems * format / 32;
- } while (rem > 0);
-
- /*
- * Deleting the property again tells the selection owner to send the
- * next data chunk in the property.
- */
- XDeleteProperty(xw.dpy, xw.win, (int)property);
-}
-
-void
-selpaste(const Arg *dummy)
-{
- XConvertSelection(xw.dpy, XA_PRIMARY, sel.xtarget, XA_PRIMARY,
- xw.win, CurrentTime);
-}
-
-void
-clipcopy(const Arg *dummy)
-{
- Atom clipboard;
-
- if (sel.clipboard != NULL)
- free(sel.clipboard);
-
- if (sel.primary != NULL) {
- sel.clipboard = xstrdup(sel.primary);
- clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
- XSetSelectionOwner(xw.dpy, clipboard, xw.win, CurrentTime);
- }
-}
-
-void
-clippaste(const Arg *dummy)
-{
- Atom clipboard;
-
- clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
- XConvertSelection(xw.dpy, clipboard, sel.xtarget, clipboard,
- xw.win, CurrentTime);
-}
-
-void
-selclear(XEvent *e)
-{
- if (sel.ob.x == -1)
- return;
- sel.mode = SEL_IDLE;
- sel.ob.x = -1;
- tsetdirt(sel.nb.y, sel.ne.y);
-}
-
-void
-selrequest(XEvent *e)
-{
- XSelectionRequestEvent *xsre;
- XSelectionEvent xev;
- Atom xa_targets, string, clipboard;
- char *seltext;
-
- xsre = (XSelectionRequestEvent *) e;
- xev.type = SelectionNotify;
- xev.requestor = xsre->requestor;
- xev.selection = xsre->selection;
- xev.target = xsre->target;
- xev.time = xsre->time;
- if (xsre->property == None)
- xsre->property = xsre->target;
-
- /* reject */
- xev.property = None;
-
- xa_targets = XInternAtom(xw.dpy, "TARGETS", 0);
- if (xsre->target == xa_targets) {
- /* respond with the supported type */
- string = sel.xtarget;
- XChangeProperty(xsre->display, xsre->requestor, xsre->property,
- XA_ATOM, 32, PropModeReplace,
- (uchar *) &string, 1);
- xev.property = xsre->property;
- } else if (xsre->target == sel.xtarget || xsre->target == XA_STRING) {
- /*
- * xith XA_STRING non ascii characters may be incorrect in the
- * requestor. It is not our problem, use utf8.
- */
- clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
- if (xsre->selection == XA_PRIMARY) {
- seltext = sel.primary;
- } else if (xsre->selection == clipboard) {
- seltext = sel.clipboard;
- } else {
- fprintf(stderr,
- "Unhandled clipboard selection 0x%lx\n",
- xsre->selection);
- return;
- }
- if (seltext != NULL) {
- XChangeProperty(xsre->display, xsre->requestor,
- xsre->property, xsre->target,
- 8, PropModeReplace,
- (uchar *)seltext, strlen(seltext));
- xev.property = xsre->property;
- }
- }
-
- /* all done, send a notification to the listener */
- if (!XSendEvent(xsre->display, xsre->requestor, 1, 0, (XEvent *) &xev))
- fprintf(stderr, "Error sending SelectionNotify event\n");
-}
-
-void
-xsetsel(char *str, Time t)
-{
- free(sel.primary);
- sel.primary = str;
-
- XSetSelectionOwner(xw.dpy, XA_PRIMARY, xw.win, t);
- if (XGetSelectionOwner(xw.dpy, XA_PRIMARY) != xw.win)
- selclear(0);
-
- clipcopy(NULL);
-}
-
-void
-brelease(XEvent *e)
-{
- if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
- mousereport(e);
- return;
- }
-
- if (e->xbutton.button == Button2) {
- selpaste(NULL);
- } else if (e->xbutton.button == Button3 && !fork()) {
- exit(execvp("tfetch", (char*[]){ "tfetch", sel.primary, 0 }));
- } else if (e->xbutton.button == Button1) {
- if (sel.mode == SEL_READY) {
- getbuttoninfo(e);
- selcopy(e->xbutton.time);
- } else {
- selclear(NULL);
- }
- sel.mode = SEL_IDLE;
- tsetdirt(sel.nb.y, sel.ne.y);
- }
-}
-
-void
-bmotion(XEvent *e)
-{
- int oldey, oldex, oldsby, oldsey;
-
- if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
- mousereport(e);
- return;
- }
-
- if (!sel.mode)
- return;
-
- sel.mode = SEL_READY;
- oldey = sel.oe.y;
- oldex = sel.oe.x;
- oldsby = sel.nb.y;
- oldsey = sel.ne.y;
- getbuttoninfo(e);
-
- if (oldey != sel.oe.y || oldex != sel.oe.x)
- tsetdirt(MIN(sel.nb.y, oldsby), MAX(sel.ne.y, oldsey));
-}
-
-void
-die(const char *errstr, ...)
-{
- va_list ap;
-
- va_start(ap, errstr);
- vfprintf(stderr, errstr, ap);
- va_end(ap);
- exit(1);
-}
-
-void
-execsh(void)
-{
- char buf[sizeof(long) * 8 + 1];
- snprintf(buf, sizeof(buf), "%lu", xw.win);
-
- unsetenv("COLUMNS");
- unsetenv("LINES");
- unsetenv("TERMCAP");
- setenv("SHELL", shell[0], 1);
- setenv("TERM", termname, 1);
- setenv("WINDOWID", buf, 1);
-
- signal(SIGCHLD, SIG_DFL);
- signal(SIGHUP, SIG_DFL);
- signal(SIGINT, SIG_DFL);
- signal(SIGQUIT, SIG_DFL);
- signal(SIGTERM, SIG_DFL);
- signal(SIGALRM, SIG_DFL);
-
- execvp(shell[0], shell);
- _exit(1);
-}
-
-void
-sigchld(int a)
-{
- int stat;
- pid_t p;
-
- if ((p = waitpid(pid, &stat, WNOHANG)) < 0)
- die("Waiting for pid %hd failed: %s\n", pid, strerror(errno));
-
- if (pid != p)
- return;
-
- if (!WIFEXITED(stat) || WEXITSTATUS(stat))
- die("child finished with error '%d'\n", stat);
- exit(0);
-}
-
-void
-ttynew(void)
-{
- int m, s;
- struct winsize w = {term.row, term.col, 0, 0};
-
- /* seems to work fine on linux, openbsd and freebsd */
- if (openpty(&m, &s, NULL, NULL, &w) < 0)
- die("openpty failed: %s\n", strerror(errno));
-
- switch (pid = fork()) {
- case -1:
- die("fork failed\n");
- break;
- case 0:
- close(iofd);
- setsid(); /* create a new process group */
- dup2(s, 0);
- dup2(s, 1);
- dup2(s, 2);
- if (ioctl(s, TIOCSCTTY, NULL) < 0)
- die("ioctl TIOCSCTTY failed: %s\n", strerror(errno));
- close(s);
- close(m);
- execsh();
- break;
- default:
- close(s);
- cmdfd = m;
- signal(SIGCHLD, sigchld);
- break;
- }
-}
-
-size_t
-ttyread(void)
-{
- static char buf[BUFSIZ];
- static int buflen = 0;
- char *ptr;
- int charsize; /* size of utf8 char in bytes */
- Rune unicodep;
- int ret;
-
- /* append read bytes to unprocessed bytes */
- if ((ret = read(cmdfd, buf+buflen, LEN(buf)-buflen)) < 0)
- die("Couldn't read from shell: %s\n", strerror(errno));
-
- /* process every complete utf8 char */
- buflen += ret;
- ptr = buf;
- while ((charsize = utf8decode(ptr, &unicodep, buflen))) {
- tputc(unicodep);
- ptr += charsize;
- buflen -= charsize;
- }
-
- /* keep any uncomplete utf8 char for the next call */
- memmove(buf, ptr, buflen);
-
- if (term.scr > 0 && term.scr < histsize-1)
- term.scr++;
-
- return ret;
-}
-
-void
-ttywrite(const char *s, size_t n)
-{
- fd_set wfd, rfd;
- ssize_t r;
- size_t lim = 256;
- Arg arg = (Arg){ .i = term.scr };
-
- kscrolldown(&arg);
-
- /*
- * Remember that we are using a pty, which might be a modem line.
- * Writing too much will clog the line. That's why we are doing this
- * dance.
- * FIXME: Migrate the world to Plan 9.
- */
- while (n > 0) {
- FD_ZERO(&wfd);
- FD_ZERO(&rfd);
- FD_SET(cmdfd, &wfd);
- FD_SET(cmdfd, &rfd);
-
- /* Check if we can write. */
- if (pselect(cmdfd+1, &rfd, &wfd, NULL, NULL, NULL) < 0) {
- if (errno == EINTR)
- continue;
- die("select failed: %s\n", strerror(errno));
- }
- if (FD_ISSET(cmdfd, &wfd)) {
- /*
- * Only write the bytes written by ttywrite() or the
- * default of 256. This seems to be a reasonable value
- * for a serial line. Bigger values might clog the I/O.
- */
- if ((r = write(cmdfd, s, (n < lim)? n : lim)) < 0)
- goto write_error;
- if (r < n) {
- /*
- * We weren't able to write out everything.
- * This means the buffer is getting full
- * again. Empty it.
- */
- if (n < lim)
- lim = ttyread();
- n -= r;
- s += r;
- } else {
- /* All bytes have been written. */
- break;
- }
- }
- if (FD_ISSET(cmdfd, &rfd))
- lim = ttyread();
- }
- return;
-
-write_error:
- die("write error on tty: %s\n", strerror(errno));
-}
-
-void
-ttysend(char *s, size_t n)
-{
- int len;
- Rune u;
-
- ttywrite(s, n);
- if (IS_SET(MODE_ECHO))
- while ((len = utf8decode(s, &u, n)) > 0) {
- techo(u);
- n -= len;
- s += len;
- }
-}
-
-void
-ttyresize(void)
-{
- struct winsize w;
-
- w.ws_row = term.row;
- w.ws_col = term.col;
- w.ws_xpixel = xw.tw;
- w.ws_ypixel = xw.th;
- if (ioctl(cmdfd, TIOCSWINSZ, &w) < 0)
- fprintf(stderr, "Couldn't set window size: %s\n", strerror(errno));
-}
-
-int
-tattrset(int attr)
-{
- int i, j;
-
- for (i = 0; i < term.row-1; i++) {
- for (j = 0; j < term.col-1; j++) {
- if (term.line[i][j].mode & attr)
- return 1;
- }
- }
-
- return 0;
-}
-
-void
-tsetdirt(int top, int bot)
-{
- int i;
-
- LIMIT(top, 0, term.row-1);
- LIMIT(bot, 0, term.row-1);
-
- for (i = top; i <= bot; i++)
- term.dirty[i] = 1;
-}
-
-void
-tsetdirtattr(int attr)
-{
- int i, j;
-
- for (i = 0; i < term.row-1; i++) {
- for (j = 0; j < term.col-1; j++) {
- if (term.line[i][j].mode & attr) {
- tsetdirt(i, i);
- break;
- }
- }
- }
-}
-
-void
-tfulldirt(void)
-{
- tsetdirt(0, term.row-1);
-}
-
-void
-tcursor(int mode)
-{
- static TCursor c[2];
- int alt = IS_SET(MODE_ALTSCREEN);
-
- if (mode == CURSOR_SAVE) {
- c[alt] = term.c;
- } else if (mode == CURSOR_LOAD) {
- term.c = c[alt];
- tmoveto(c[alt].x, c[alt].y);
- }
-}
-
-void
-treset(void)
-{
- uint i;
-
- term.c = (TCursor){{
- .mode = ATTR_NULL,
- .fg = defaultfg,
- .bg = defaultbg
- }, .x = 0, .y = 0, .state = CURSOR_DEFAULT};
-
- memset(term.tabs, 0, term.col * sizeof(*term.tabs));
- for (i = tabspaces; i < term.col; i += tabspaces)
- term.tabs[i] = 1;
- term.top = 0;
- term.bot = term.row - 1;
- term.mode = MODE_WRAP;
- memset(term.trantbl, CS_USA, sizeof(term.trantbl));
- term.charset = 0;
-
- for (i = 0; i < 2; i++) {
- tmoveto(0, 0);
- tcursor(CURSOR_SAVE);
- tclearregion(0, 0, term.col-1, term.row-1);
- tswapscreen();
- }
-}
-
-void
-tnew(int col, int row)
-{
- term = (Term){ .c = { .attr = { .fg = defaultfg, .bg = defaultbg } } };
- tresize(col, row);
- term.numlock = 1;
-
- treset();
-}
-
-void
-tswapscreen(void)
-{
- Line *tmp = term.line;
-
- term.line = term.alt;
- term.alt = tmp;
- term.mode ^= MODE_ALTSCREEN;
- tfulldirt();
-}
-
-void
-kscrolldown(const Arg* a)
-{
- int n = a->i;
-
- if (n < 0)
- n = term.row + n;
-
- if (n > term.scr)
- n = term.scr;
-
- if (term.scr > 0) {
- term.scr -= n;
- selscroll(0, -n);
- tfulldirt();
- }
-}
-
-void
-kscrollup(const Arg* a)
-{
- int n = a->i;
-
- if (n < 0)
- n = term.row + n;
-
- if (term.scr <= histsize - n) {
- term.scr += n;
- selscroll(0, n);
- tfulldirt();
- }
-}
-
-void
-tscrolldown(int orig, int n, int copyhist)
-{
- int i;
- Line temp;
-
- LIMIT(n, 0, term.bot-orig+1);
-
- if (copyhist) {
- term.histi = (term.histi - 1 + histsize) % histsize;
- temp = term.hist[term.histi];
- term.hist[term.histi] = term.line[term.bot];
- term.line[term.bot] = temp;
- }
-
- tsetdirt(orig, term.bot-n);
- tclearregion(0, term.bot-n+1, term.col-1, term.bot);
-
- for (i = term.bot; i >= orig+n; i--) {
- temp = term.line[i];
- term.line[i] = term.line[i-n];
- term.line[i-n] = temp;
- }
-
- selscroll(orig, n);
-}
-
-void
-tscrollup(int orig, int n, int copyhist)
-{
- int i;
- Line temp;
-
- LIMIT(n, 0, term.bot-orig+1);
-
- if (copyhist) {
- term.histi = (term.histi + 1) % histsize;
- temp = term.hist[term.histi];
- term.hist[term.histi] = term.line[orig];
- term.line[orig] = temp;
- }
-
- tclearregion(0, orig, term.col-1, orig+n-1);
- tsetdirt(orig+n, term.bot);
-
- for (i = orig; i <= term.bot-n; i++) {
- temp = term.line[i];
- term.line[i] = term.line[i+n];
- term.line[i+n] = temp;
- }
-
- selscroll(orig, -n);
-}
-
-void
-selscroll(int orig, int n)
-{
- if (sel.ob.x == -1)
- return;
-
- if (BETWEEN(sel.ob.y, orig, term.bot) || BETWEEN(sel.oe.y, orig, term.bot)) {
- if ((sel.ob.y += n) > term.bot || (sel.oe.y += n) < term.top) {
- selclear(NULL);
- return;
- }
- if (sel.type == SEL_RECTANGULAR) {
- if (sel.ob.y < term.top)
- sel.ob.y = term.top;
- if (sel.oe.y > term.bot)
- sel.oe.y = term.bot;
- } else {
- if (sel.ob.y < term.top) {
- sel.ob.y = term.top;
- sel.ob.x = 0;
- }
- if (sel.oe.y > term.bot) {
- sel.oe.y = term.bot;
- sel.oe.x = term.col;
- }
- }
- selnormalize();
- }
-}
-
-void
-tnewline(int first_col)
-{
- int y = term.c.y;
-
- if (y == term.bot) {
- tscrollup(term.top, 1, 1);
- } else {
- y++;
- }
- tmoveto(first_col ? 0 : term.c.x, y);
-}
-
-void
-csiparse(void)
-{
- char *p = csiescseq.buf, *np;
- long int v;
-
- csiescseq.narg = 0;
- if (*p == '?') {
- csiescseq.priv = 1;
- p++;
- }
-
- csiescseq.buf[csiescseq.len] = '\0';
- while (p < csiescseq.buf+csiescseq.len) {
- np = NULL;
- v = strtol(p, &np, 10);
- if (np == p)
- v = 0;
- if (v == LONG_MAX || v == LONG_MIN)
- v = -1;
- csiescseq.arg[csiescseq.narg++] = v;
- p = np;
- if (*p != ';' || csiescseq.narg == ESC_ARG_SIZ)
- break;
- p++;
- }
- csiescseq.mode[0] = *p++;
- csiescseq.mode[1] = (p < csiescseq.buf+csiescseq.len) ? *p : '\0';
-}
-
-/* for absolute user moves, when decom is set */
-void
-tmoveato(int x, int y)
-{
- tmoveto(x, y + ((term.c.state & CURSOR_ORIGIN) ? term.top: 0));
-}
-
-void
-tmoveto(int x, int y)
-{
- int miny, maxy;
-
- if (term.c.state & CURSOR_ORIGIN) {
- miny = term.top;
- maxy = term.bot;
- } else {
- miny = 0;
- maxy = term.row - 1;
- }
- term.c.state &= ~CURSOR_WRAPNEXT;
- term.c.x = LIMIT(x, 0, term.col-1);
- term.c.y = LIMIT(y, miny, maxy);
-}
-
-void
-tsetchar(Rune u, Glyph *attr, int x, int y)
-{
- static char *vt100_0[62] = { /* 0x41 - 0x7e */
- "↑", "↓", "→", "←", "█", "▚", "☃", /* A - G */
- 0, 0, 0, 0, 0, 0, 0, 0, /* H - O */
- 0, 0, 0, 0, 0, 0, 0, 0, /* P - W */
- 0, 0, 0, 0, 0, 0, 0, " ", /* X - _ */
- "◆", "▒", "␉", "␌", "␍", "␊", "°", "±", /* ` - g */
- "", "␋", "┘", "┐", "┌", "└", "┼", "⎺", /* h - o */
- "⎻", "─", "⎼", "⎽", "├", "┤", "┴", "┬", /* p - w */
- "│", "≤", "≥", "π", "≠", "£", "·", /* x - ~ */
- };
-
- /*
- * The table is proudly stolen from rxvt.
- */
- if (term.trantbl[term.charset] == CS_GRAPHIC0 &&
- BETWEEN(u, 0x41, 0x7e) && vt100_0[u - 0x41])
- utf8decode(vt100_0[u - 0x41], &u, UTF_SIZ);
-
- if (term.line[y][x].mode & ATTR_WIDE) {
- if (x+1 < term.col) {
- term.line[y][x+1].u = ' ';
- term.line[y][x+1].mode &= ~ATTR_WDUMMY;
- }
- } else if (term.line[y][x].mode & ATTR_WDUMMY) {
- term.line[y][x-1].u = ' ';
- term.line[y][x-1].mode &= ~ATTR_WIDE;
- }
-
- term.dirty[y] = 1;
- term.line[y][x] = *attr;
- term.line[y][x].u = u;
-}
-
-void
-tclearregion(int x1, int y1, int x2, int y2)
-{
- int x, y, temp;
- Glyph *gp;
-
- if (x1 > x2)
- temp = x1, x1 = x2, x2 = temp;
- if (y1 > y2)
- temp = y1, y1 = y2, y2 = temp;
-
- LIMIT(x1, 0, term.col-1);
- LIMIT(x2, 0, term.col-1);
- LIMIT(y1, 0, term.row-1);
- LIMIT(y2, 0, term.row-1);
-
- for (y = y1; y <= y2; y++) {
- term.dirty[y] = 1;
- for (x = x1; x <= x2; x++) {
- gp = &term.line[y][x];
- if (selected(x, y))
- selclear(NULL);
- gp->fg = term.c.attr.fg;
- gp->bg = term.c.attr.bg;
- gp->mode = 0;
- gp->u = ' ';
- }
- }
-}
-
-void
-tdeletechar(int n)
-{
- int dst, src, size;
- Glyph *line;
-
- LIMIT(n, 0, term.col - term.c.x);
-
- dst = term.c.x;
- src = term.c.x + n;
- size = term.col - src;
- line = term.line[term.c.y];
-
- memmove(&line[dst], &line[src], size * sizeof(Glyph));
- tclearregion(term.col-n, term.c.y, term.col-1, term.c.y);
-}
-
-void
-tinsertblank(int n)
-{
- int dst, src, size;
- Glyph *line;
-
- LIMIT(n, 0, term.col - term.c.x);
-
- dst = term.c.x + n;
- src = term.c.x;
- size = term.col - dst;
- line = term.line[term.c.y];
-
- memmove(&line[dst], &line[src], size * sizeof(Glyph));
- tclearregion(src, term.c.y, dst - 1, term.c.y);
-}
-
-void
-tinsertblankline(int n)
-{
- if (BETWEEN(term.c.y, term.top, term.bot))
- tscrolldown(term.c.y, n, 0);
-}
-
-void
-tdeleteline(int n)
-{
- if (BETWEEN(term.c.y, term.top, term.bot))
- tscrollup(term.c.y, n, 0);
-}
-
-int32_t
-tdefcolor(int *attr, int *npar, int l)
-{
- int32_t idx = -1;
- uint r, g, b;
-
- switch (attr[*npar + 1]) {
- case 2: /* direct color in RGB space */
- if (*npar + 4 >= l) {
- fprintf(stderr,
- "erresc(38): Incorrect number of parameters (%d)\n",
- *npar);
- break;
- }
- r = attr[*npar + 2];
- g = attr[*npar + 3];
- b = attr[*npar + 4];
- *npar += 4;
- if (!BETWEEN(r, 0, 255) || !BETWEEN(g, 0, 255) || !BETWEEN(b, 0, 255))
- fprintf(stderr, "erresc: bad rgb color (%u,%u,%u)\n",
- r, g, b);
- else
- idx = TRUECOLOR(r, g, b);
- break;
- case 5: /* indexed color */
- if (*npar + 2 >= l) {
- fprintf(stderr,
- "erresc(38): Incorrect number of parameters (%d)\n",
- *npar);
- break;
- }
- *npar += 2;
- if (!BETWEEN(attr[*npar], 0, 255))
- fprintf(stderr, "erresc: bad fgcolor %d\n", attr[*npar]);
- else
- idx = attr[*npar];
- break;
- case 0: /* implemented defined (only foreground) */
- case 1: /* transparent */
- case 3: /* direct color in CMY space */
- case 4: /* direct color in CMYK space */
- default:
- fprintf(stderr,
- "erresc(38): gfx attr %d unknown\n", attr[*npar]);
- break;
- }
-
- return idx;
-}
-
-void
-tsetattr(int *attr, int l)
-{
- int i;
- int32_t idx;
-
- for (i = 0; i < l; i++) {
- switch (attr[i]) {
- case 0:
- term.c.attr.mode &= ~(
- ATTR_BOLD |
- ATTR_FAINT |
- ATTR_ITALIC |
- ATTR_UNDERLINE |
- ATTR_BLINK |
- ATTR_REVERSE |
- ATTR_INVISIBLE |
- ATTR_STRUCK );
- term.c.attr.fg = defaultfg;
- term.c.attr.bg = defaultbg;
- break;
- case 1:
- term.c.attr.mode |= ATTR_BOLD;
- break;
- case 2:
- term.c.attr.mode |= ATTR_FAINT;
- break;
- case 3:
- term.c.attr.mode |= ATTR_ITALIC;
- break;
- case 4:
- term.c.attr.mode |= ATTR_UNDERLINE;
- break;
- case 5: /* slow blink */
- /* FALLTHROUGH */
- case 6: /* rapid blink */
- term.c.attr.mode |= ATTR_BLINK;
- break;
- case 7:
- term.c.attr.mode |= ATTR_REVERSE;
- break;
- case 8:
- term.c.attr.mode |= ATTR_INVISIBLE;
- break;
- case 9:
- term.c.attr.mode |= ATTR_STRUCK;
- break;
- case 22:
- term.c.attr.mode &= ~(ATTR_BOLD | ATTR_FAINT);
- break;
- case 23:
- term.c.attr.mode &= ~ATTR_ITALIC;
- break;
- case 24:
- term.c.attr.mode &= ~ATTR_UNDERLINE;
- break;
- case 25:
- term.c.attr.mode &= ~ATTR_BLINK;
- break;
- case 27:
- term.c.attr.mode &= ~ATTR_REVERSE;
- break;
- case 28:
- term.c.attr.mode &= ~ATTR_INVISIBLE;
- break;
- case 29:
- term.c.attr.mode &= ~ATTR_STRUCK;
- break;
- case 38:
- if ((idx = tdefcolor(attr, &i, l)) >= 0)
- term.c.attr.fg = idx;
- break;
- case 39:
- term.c.attr.fg = defaultfg;
- break;
- case 48:
- if ((idx = tdefcolor(attr, &i, l)) >= 0)
- term.c.attr.bg = idx;
- break;
- case 49:
- term.c.attr.bg = defaultbg;
- break;
- default:
- if (BETWEEN(attr[i], 30, 37)) {
- term.c.attr.fg = attr[i] - 30;
- } else if (BETWEEN(attr[i], 40, 47)) {
- term.c.attr.bg = attr[i] - 40;
- } else if (BETWEEN(attr[i], 90, 97)) {
- term.c.attr.fg = attr[i] - 90 + 8;
- } else if (BETWEEN(attr[i], 100, 107)) {
- term.c.attr.bg = attr[i] - 100 + 8;
- } else {
- fprintf(stderr,
- "erresc(default): gfx attr %d unknown\n",
- attr[i]), csidump();
- }
- break;
- }
- }
-}
-
-void
-tsetscroll(int t, int b)
-{
- int temp;
-
- LIMIT(t, 0, term.row-1);
- LIMIT(b, 0, term.row-1);
- if (t > b) {
- temp = t;
- t = b;
- b = temp;
- }
- term.top = t;
- term.bot = b;
-}
-
-void
-tsetmode(int priv, int set, int *args, int narg)
-{
- int *lim, mode;
- int alt;
-
- for (lim = args + narg; args < lim; ++args) {
- if (priv) {
- switch (*args) {
- case 1: /* DECCKM -- Cursor key */
- MODBIT(term.mode, set, MODE_APPCURSOR);
- break;
- case 5: /* DECSCNM -- Reverse video */
- mode = term.mode;
- MODBIT(term.mode, set, MODE_REVERSE);
- if (mode != term.mode)
- redraw();
- break;
- case 6: /* DECOM -- Origin */
- MODBIT(term.c.state, set, CURSOR_ORIGIN);
- tmoveato(0, 0);
- break;
- case 7: /* DECAWM -- Auto wrap */
- MODBIT(term.mode, set, MODE_WRAP);
- break;
- case 0: /* Error (IGNORED) */
- case 2: /* DECANM -- ANSI/VT52 (IGNORED) */
- case 3: /* DECCOLM -- Column (IGNORED) */
- case 4: /* DECSCLM -- Scroll (IGNORED) */
- case 8: /* DECARM -- Auto repeat (IGNORED) */
- case 18: /* DECPFF -- Printer feed (IGNORED) */
- case 19: /* DECPEX -- Printer extent (IGNORED) */
- case 42: /* DECNRCM -- National characters (IGNORED) */
- case 12: /* att610 -- Start blinking cursor (IGNORED) */
- break;
- case 25: /* DECTCEM -- Text Cursor Enable Mode */
- MODBIT(term.mode, !set, MODE_HIDE);
- break;
- case 9: /* X10 mouse compatibility mode */
- xsetpointermotion(0);
- MODBIT(term.mode, 0, MODE_MOUSE);
- MODBIT(term.mode, set, MODE_MOUSEX10);
- break;
- case 1000: /* 1000: report button press */
- xsetpointermotion(0);
- MODBIT(term.mode, 0, MODE_MOUSE);
- MODBIT(term.mode, set, MODE_MOUSEBTN);
- break;
- case 1002: /* 1002: report motion on button press */
- xsetpointermotion(0);
- MODBIT(term.mode, 0, MODE_MOUSE);
- MODBIT(term.mode, set, MODE_MOUSEMOTION);
- break;
- case 1003: /* 1003: enable all mouse motions */
- xsetpointermotion(set);
- MODBIT(term.mode, 0, MODE_MOUSE);
- MODBIT(term.mode, set, MODE_MOUSEMANY);
- break;
- case 1004: /* 1004: send focus events to tty */
- MODBIT(term.mode, set, MODE_FOCUS);
- break;
- case 1006: /* 1006: extended reporting mode */
- MODBIT(term.mode, set, MODE_MOUSESGR);
- break;
- case 1034:
- MODBIT(term.mode, set, MODE_8BIT);
- break;
- case 1049: /* swap screen & set/restore cursor as xterm */
- if (!allowaltscreen)
- break;
- tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
- /* FALLTHROUGH */
- case 47: /* swap screen */
- case 1047:
- if (!allowaltscreen)
- break;
- alt = IS_SET(MODE_ALTSCREEN);
- if (alt) {
- tclearregion(0, 0, term.col-1,
- term.row-1);
- }
- if (set ^ alt) /* set is always 1 or 0 */
- tswapscreen();
- if (*args != 1049)
- break;
- /* FALLTHROUGH */
- case 1048:
- tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
- break;
- case 2004: /* 2004: bracketed paste mode */
- MODBIT(term.mode, set, MODE_BRCKTPASTE);
- break;
- /* Not implemented mouse modes. See comments there. */
- case 1001: /* mouse highlight mode; can hang the
- terminal by design when implemented. */
- case 1005: /* UTF-8 mouse mode; will confuse
- applications not supporting UTF-8
- and luit. */
- case 1015: /* urxvt mangled mouse mode; incompatible
- and can be mistaken for other control
- codes. */
- default:
- fprintf(stderr,
- "erresc: unknown private set/reset mode %d\n",
- *args);
- break;
- }
- } else {
- switch (*args) {
- case 0: /* Error (IGNORED) */
- break;
- case 2: /* KAM -- keyboard action */
- MODBIT(term.mode, set, MODE_KBDLOCK);
- break;
- case 4: /* IRM -- Insertion-replacement */
- MODBIT(term.mode, set, MODE_INSERT);
- break;
- case 12: /* SRM -- Send/Receive */
- MODBIT(term.mode, !set, MODE_ECHO);
- break;
- case 20: /* LNM -- Linefeed/new line */
- MODBIT(term.mode, set, MODE_CRLF);
- break;
- default:
- fprintf(stderr,
- "erresc: unknown set/reset mode %d\n",
- *args);
- break;
- }
- }
- }
-}
-
-void
-csihandle(void)
-{
- char buf[40];
- int len;
-
- switch (csiescseq.mode[0]) {
- default:
- unknown:
- fprintf(stderr, "erresc: unknown csi ");
- csidump();
- /* die(""); */
- break;
- case '@': /* ICH -- Insert <n> blank char */
- DEFAULT(csiescseq.arg[0], 1);
- tinsertblank(csiescseq.arg[0]);
- break;
- case 'A': /* CUU -- Cursor <n> Up */
- DEFAULT(csiescseq.arg[0], 1);
- tmoveto(term.c.x, term.c.y-csiescseq.arg[0]);
- break;
- case 'B': /* CUD -- Cursor <n> Down */
- case 'e': /* VPR --Cursor <n> Down */
- DEFAULT(csiescseq.arg[0], 1);
- tmoveto(term.c.x, term.c.y+csiescseq.arg[0]);
- break;
- case 'c': /* DA -- Device Attributes */
- if (csiescseq.arg[0] == 0)
- ttywrite(vtiden, sizeof(vtiden) - 1);
- break;
- case 'C': /* CUF -- Cursor <n> Forward */
- case 'a': /* HPR -- Cursor <n> Forward */
- DEFAULT(csiescseq.arg[0], 1);
- tmoveto(term.c.x+csiescseq.arg[0], term.c.y);
- break;
- case 'D': /* CUB -- Cursor <n> Backward */
- DEFAULT(csiescseq.arg[0], 1);
- tmoveto(term.c.x-csiescseq.arg[0], term.c.y);
- break;
- case 'E': /* CNL -- Cursor <n> Down and first col */
- DEFAULT(csiescseq.arg[0], 1);
- tmoveto(0, term.c.y+csiescseq.arg[0]);
- break;
- case 'F': /* CPL -- Cursor <n> Up and first col */
- DEFAULT(csiescseq.arg[0], 1);
- tmoveto(0, term.c.y-csiescseq.arg[0]);
- break;
- case 'g': /* TBC -- Tabulation clear */
- switch (csiescseq.arg[0]) {
- case 0: /* clear current tab stop */
- term.tabs[term.c.x] = 0;
- break;
- case 3: /* clear all the tabs */
- memset(term.tabs, 0, term.col * sizeof(*term.tabs));
- break;
- default:
- goto unknown;
- }
- break;
- case 'G': /* CHA -- Move to <col> */
- case '`': /* HPA */
- DEFAULT(csiescseq.arg[0], 1);
- tmoveto(csiescseq.arg[0]-1, term.c.y);
- break;
- case 'H': /* CUP -- Move to <row> <col> */
- case 'f': /* HVP */
- DEFAULT(csiescseq.arg[0], 1);
- DEFAULT(csiescseq.arg[1], 1);
- tmoveato(csiescseq.arg[1]-1, csiescseq.arg[0]-1);
- break;
- case 'I': /* CHT -- Cursor Forward Tabulation <n> tab stops */
- DEFAULT(csiescseq.arg[0], 1);
- tputtab(csiescseq.arg[0]);
- break;
- case 'J': /* ED -- Clear screen */
- selclear(NULL);
- switch (csiescseq.arg[0]) {
- case 0: /* below */
- tclearregion(term.c.x, term.c.y, term.col-1, term.c.y);
- if (term.c.y < term.row-1) {
- tclearregion(0, term.c.y+1, term.col-1,
- term.row-1);
- }
- break;
- case 1: /* above */
- if (term.c.y > 1)
- tclearregion(0, 0, term.col-1, term.c.y-1);
- tclearregion(0, term.c.y, term.c.x, term.c.y);
- break;
- case 2: /* all */
- tclearregion(0, 0, term.col-1, term.row-1);
- break;
- default:
- goto unknown;
- }
- break;
- case 'K': /* EL -- Clear line */
- switch (csiescseq.arg[0]) {
- case 0: /* right */
- tclearregion(term.c.x, term.c.y, term.col-1,
- term.c.y);
- break;
- case 1: /* left */
- tclearregion(0, term.c.y, term.c.x, term.c.y);
- break;
- case 2: /* all */
- tclearregion(0, term.c.y, term.col-1, term.c.y);
- break;
- }
- break;
- case 'S': /* SU -- Scroll <n> line up */
- DEFAULT(csiescseq.arg[0], 1);
- tscrollup(term.top, csiescseq.arg[0], 0);
- break;
- case 'T': /* SD -- Scroll <n> line down */
- DEFAULT(csiescseq.arg[0], 1);
- tscrolldown(term.top, csiescseq.arg[0], 0);
- break;
- case 'L': /* IL -- Insert <n> blank lines */
- DEFAULT(csiescseq.arg[0], 1);
- tinsertblankline(csiescseq.arg[0]);
- break;
- case 'l': /* RM -- Reset Mode */
- tsetmode(csiescseq.priv, 0, csiescseq.arg, csiescseq.narg);
- break;
- case 'M': /* DL -- Delete <n> lines */
- DEFAULT(csiescseq.arg[0], 1);
- tdeleteline(csiescseq.arg[0]);
- break;
- case 'X': /* ECH -- Erase <n> char */
- DEFAULT(csiescseq.arg[0], 1);
- tclearregion(term.c.x, term.c.y,
- term.c.x + csiescseq.arg[0] - 1, term.c.y);
- break;
- case 'P': /* DCH -- Delete <n> char */
- DEFAULT(csiescseq.arg[0], 1);
- tdeletechar(csiescseq.arg[0]);
- break;
- case 'Z': /* CBT -- Cursor Backward Tabulation <n> tab stops */
- DEFAULT(csiescseq.arg[0], 1);
- tputtab(-csiescseq.arg[0]);
- break;
- case 'd': /* VPA -- Move to <row> */
- DEFAULT(csiescseq.arg[0], 1);
- tmoveato(term.c.x, csiescseq.arg[0]-1);
- break;
- case 'h': /* SM -- Set terminal mode */
- tsetmode(csiescseq.priv, 1, csiescseq.arg, csiescseq.narg);
- break;
- case 'm': /* SGR -- Terminal attribute (color) */
- tsetattr(csiescseq.arg, csiescseq.narg);
- break;
- case 'n': /* DSR – Device Status Report (cursor position) */
- if (csiescseq.arg[0] == 6) {
- len = snprintf(buf, sizeof(buf),"\033[%i;%iR",
- term.c.y+1, term.c.x+1);
- ttywrite(buf, len);
- }
- break;
- case 'r': /* DECSTBM -- Set Scrolling Region */
- if (csiescseq.priv) {
- goto unknown;
- } else {
- DEFAULT(csiescseq.arg[0], 1);
- DEFAULT(csiescseq.arg[1], term.row);
- tsetscroll(csiescseq.arg[0]-1, csiescseq.arg[1]-1);
- tmoveato(0, 0);
- }
- break;
- case 's': /* DECSC -- Save cursor position (ANSI.SYS) */
- tcursor(CURSOR_SAVE);
- break;
- case 'u': /* DECRC -- Restore cursor position (ANSI.SYS) */
- tcursor(CURSOR_LOAD);
- break;
- case ' ':
- switch (csiescseq.mode[1]) {
- case 'q': /* DECSCUSR -- Set Cursor Style */
- DEFAULT(csiescseq.arg[0], 1);
- if (!BETWEEN(csiescseq.arg[0], 0, 6)) {
- goto unknown;
- }
- xw.cursor = csiescseq.arg[0];
- break;
- default:
- goto unknown;
- }
- break;
- }
-}
-
-void
-csidump(void)
-{
- int i;
- uint c;
-
- printf("ESC[");
- for (i = 0; i < csiescseq.len; i++) {
- c = csiescseq.buf[i] & 0xff;
- if (isprint(c)) {
- putchar(c);
- } else if (c == '\n') {
- printf("(\\n)");
- } else if (c == '\r') {
- printf("(\\r)");
- } else if (c == 0x1b) {
- printf("(\\e)");
- } else {
- printf("(%02x)", c);
- }
- }
- putchar('\n');
-}
-
-void
-csireset(void)
-{
- memset(&csiescseq, 0, sizeof(csiescseq));
-}
-
-void
-strhandle(void)
-{
- char *p = NULL;
- int j, narg, par;
-
- term.esc &= ~(ESC_STR_END|ESC_STR);
- strparse();
- par = (narg = strescseq.narg) ? atoi(strescseq.args[0]) : 0;
-
- switch (strescseq.type) {
- case ']': /* OSC -- Operating System Command */
- switch (par) {
- case 7:
- if (narg > 1 && strescseq.args[1])
- chdir(strescseq.args[1]);
- return;
- case 0:
- case 1:
- case 2:
- if (narg > 1)
- xsettitle(strescseq.args[1]);
- return;
- case 4: /* color set */
- if (narg < 3)
- break;
- p = strescseq.args[2];
- /* FALLTHROUGH */
- case 104: /* color reset, here p = NULL */
- j = (narg > 1) ? atoi(strescseq.args[1]) : -1;
- if (xsetcolorname(j, p)) {
- fprintf(stderr, "erresc: invalid color %s\n", p);
- } else {
- /*
- * TODO if defaultbg color is changed, borders
- * are dirty
- */
- redraw();
- }
- return;
- }
- break;
- case 'k': /* old title set compatibility */
- xsettitle(strescseq.args[0]);
- return;
- case 'P': /* DCS -- Device Control String */
- case '_': /* APC -- Application Program Command */
- case '^': /* PM -- Privacy Message */
- return;
- }
-
- fprintf(stderr, "erresc: unknown str ");
- strdump();
-}
-
-void
-strparse(void)
-{
- int c;
- char *p = strescseq.buf;
-
- strescseq.narg = 0;
- strescseq.buf[strescseq.len] = '\0';
-
- if (*p == '\0')
- return;
-
- while (strescseq.narg < STR_ARG_SIZ) {
- strescseq.args[strescseq.narg++] = p;
- while ((c = *p) != ';' && c != '\0')
- ++p;
- if (c == '\0')
- return;
- *p++ = '\0';
- }
-}
-
-void
-strdump(void)
-{
- int i;
- uint c;
-
- printf("ESC%c", strescseq.type);
- for (i = 0; i < strescseq.len; i++) {
- c = strescseq.buf[i] & 0xff;
- if (c == '\0') {
- return;
- } else if (isprint(c)) {
- putchar(c);
- } else if (c == '\n') {
- printf("(\\n)");
- } else if (c == '\r') {
- printf("(\\r)");
- } else if (c == 0x1b) {
- printf("(\\e)");
- } else {
- printf("(%02x)", c);
- }
- }
- printf("ESC\\\n");
-}
-
-void
-strreset(void)
-{
- memset(&strescseq, 0, sizeof(strescseq));
-}
-
-void
-tputtab(int n)
-{
- uint x = term.c.x;
-
- if (n > 0) {
- while (x < term.col && n--)
- for (++x; x < term.col && !term.tabs[x]; ++x)
- /* nothing */ ;
- } else if (n < 0) {
- while (x > 0 && n++)
- for (--x; x > 0 && !term.tabs[x]; --x)
- /* nothing */ ;
- }
- term.c.x = LIMIT(x, 0, term.col-1);
-}
-
-void
-techo(Rune u)
-{
- if (ISCONTROL(u)) { /* control code */
- if (u & 0x80) {
- u &= 0x7f;
- tputc('^');
- tputc('[');
- } else if (u != '\n' && u != '\r' && u != '\t') {
- u ^= 0x40;
- tputc('^');
- }
- }
- tputc(u);
-}
-
-void
-tdeftran(char ascii)
-{
- static char cs[] = "0B";
- static int vcs[] = {CS_GRAPHIC0, CS_USA};
- char *p;
-
- if ((p = strchr(cs, ascii)) == NULL) {
- fprintf(stderr, "esc unhandled charset: ESC ( %c\n", ascii);
- } else {
- term.trantbl[term.icharset] = vcs[p - cs];
- }
-}
-
-void
-tdectest(char c)
-{
- int x, y;
-
- if (c == '8') { /* DEC screen alignment test. */
- for (x = 0; x < term.col; ++x) {
- for (y = 0; y < term.row; ++y)
- tsetchar('E', &term.c.attr, x, y);
- }
- }
-}
-
-void
-tstrsequence(uchar c)
-{
- switch (c) {
- case 0x90: /* DCS -- Device Control String */
- c = 'P';
- break;
- case 0x9f: /* APC -- Application Program Command */
- c = '_';
- break;
- case 0x9e: /* PM -- Privacy Message */
- c = '^';
- break;
- case 0x9d: /* OSC -- Operating System Command */
- c = ']';
- break;
- }
- strreset();
- strescseq.type = c;
- term.esc |= ESC_STR;
-}
-
-void
-tcontrolcode(uchar ascii)
-{
- switch (ascii) {
- case '\t': /* HT */
- tputtab(1);
- return;
- case '\b': /* BS */
- tmoveto(term.c.x-1, term.c.y);
- return;
- case '\r': /* CR */
- tmoveto(0, term.c.y);
- return;
- case '\f': /* LF */
- case '\v': /* VT */
- case '\n': /* LF */
- /* go to first col if the mode is set */
- tnewline(IS_SET(MODE_CRLF));
- return;
- case '\a': /* BEL */
- if (term.esc & ESC_STR_END) {
- /* backwards compatibility to xterm */
- strhandle();
- } else {
- if (!(xw.state & WIN_FOCUSED))
- xseturgency(1);
- }
- break;
- case '\033': /* ESC */
- csireset();
- term.esc &= ~(ESC_CSI|ESC_ALTCHARSET|ESC_TEST);
- term.esc |= ESC_START;
- return;
- case '\016': /* SO (LS1 -- Locking shift 1) */
- case '\017': /* SI (LS0 -- Locking shift 0) */
- term.charset = 1 - (ascii - '\016');
- return;
- case '\032': /* SUB */
- tsetchar('?', &term.c.attr, term.c.x, term.c.y);
- case '\030': /* CAN */
- csireset();
- break;
- case '\005': /* ENQ (IGNORED) */
- case '\000': /* NUL (IGNORED) */
- case '\021': /* XON (IGNORED) */
- case '\023': /* XOFF (IGNORED) */
- case 0177: /* DEL (IGNORED) */
- return;
- case 0x80: /* TODO: PAD */
- case 0x81: /* TODO: HOP */
- case 0x82: /* TODO: BPH */
- case 0x83: /* TODO: NBH */
- case 0x84: /* TODO: IND */
- break;
- case 0x85: /* NEL -- Next line */
- tnewline(1); /* always go to first col */
- break;
- case 0x86: /* TODO: SSA */
- case 0x87: /* TODO: ESA */
- break;
- case 0x88: /* HTS -- Horizontal tab stop */
- term.tabs[term.c.x] = 1;
- break;
- case 0x89: /* TODO: HTJ */
- case 0x8a: /* TODO: VTS */
- case 0x8b: /* TODO: PLD */
- case 0x8c: /* TODO: PLU */
- case 0x8d: /* TODO: RI */
- case 0x8e: /* TODO: SS2 */
- case 0x8f: /* TODO: SS3 */
- case 0x91: /* TODO: PU1 */
- case 0x92: /* TODO: PU2 */
- case 0x93: /* TODO: STS */
- case 0x94: /* TODO: CCH */
- case 0x95: /* TODO: MW */
- case 0x96: /* TODO: SPA */
- case 0x97: /* TODO: EPA */
- case 0x98: /* TODO: SOS */
- case 0x99: /* TODO: SGCI */
- break;
- case 0x9a: /* DECID -- Identify Terminal */
- ttywrite(vtiden, sizeof(vtiden) - 1);
- break;
- case 0x9b: /* TODO: CSI */
- case 0x9c: /* TODO: ST */
- break;
- case 0x90: /* DCS -- Device Control String */
- case 0x9d: /* OSC -- Operating System Command */
- case 0x9e: /* PM -- Privacy Message */
- case 0x9f: /* APC -- Application Program Command */
- tstrsequence(ascii);
- return;
- }
- /* only CAN, SUB, \a and C1 chars interrupt a sequence */
- term.esc &= ~(ESC_STR_END|ESC_STR);
-}
-
-/*
- * returns 1 when the sequence is finished and it hasn't to read
- * more characters for this sequence, otherwise 0
- */
-int
-eschandle(uchar ascii)
-{
- switch (ascii) {
- case '[':
- term.esc |= ESC_CSI;
- return 0;
- case '#':
- term.esc |= ESC_TEST;
- return 0;
- case 'P': /* DCS -- Device Control String */
- case '_': /* APC -- Application Program Command */
- case '^': /* PM -- Privacy Message */
- case ']': /* OSC -- Operating System Command */
- case 'k': /* old title set compatibility */
- tstrsequence(ascii);
- return 0;
- case 'n': /* LS2 -- Locking shift 2 */
- case 'o': /* LS3 -- Locking shift 3 */
- term.charset = 2 + (ascii - 'n');
- break;
- case '(': /* GZD4 -- set primary charset G0 */
- case ')': /* G1D4 -- set secondary charset G1 */
- case '*': /* G2D4 -- set tertiary charset G2 */
- case '+': /* G3D4 -- set quaternary charset G3 */
- term.icharset = ascii - '(';
- term.esc |= ESC_ALTCHARSET;
- return 0;
- case 'D': /* IND -- Linefeed */
- if (term.c.y == term.bot) {
- tscrollup(term.top, 1, 1);
- } else {
- tmoveto(term.c.x, term.c.y+1);
- }
- break;
- case 'E': /* NEL -- Next line */
- tnewline(1); /* always go to first col */
- break;
- case 'H': /* HTS -- Horizontal tab stop */
- term.tabs[term.c.x] = 1;
- break;
- case 'M': /* RI -- Reverse index */
- if (term.c.y == term.top) {
- tscrolldown(term.top, 1, 1);
- } else {
- tmoveto(term.c.x, term.c.y-1);
- }
- break;
- case 'Z': /* DECID -- Identify Terminal */
- ttywrite(vtiden, sizeof(vtiden) - 1);
- break;
- case 'c': /* RIS -- Reset to inital state */
- treset();
- xresettitle();
- xloadcols();
- break;
- case '=': /* DECPAM -- Application keypad */
- term.mode |= MODE_APPKEYPAD;
- break;
- case '>': /* DECPNM -- Normal keypad */
- term.mode &= ~MODE_APPKEYPAD;
- break;
- case '7': /* DECSC -- Save Cursor */
- tcursor(CURSOR_SAVE);
- break;
- case '8': /* DECRC -- Restore Cursor */
- tcursor(CURSOR_LOAD);
- break;
- case '\\': /* ST -- String Terminator */
- if (term.esc & ESC_STR_END)
- strhandle();
- break;
- default:
- fprintf(stderr, "erresc: unknown sequence ESC 0x%02X '%c'\n",
- (uchar) ascii, isprint(ascii)? ascii:'.');
- break;
- }
- return 1;
-}
-
-void
-tputc(Rune u)
-{
- char c[UTF_SIZ];
- int control;
- int width, len;
- Glyph *gp;
-
- control = ISCONTROL(u);
- len = utf8encode(u, c);
- if (!control && (width = wcwidth(u)) == -1) {
- memcpy(c, "\357\277\275", 4); /* UTF_INVALID */
- width = 1;
- }
-
- /*
- * STR sequence must be checked before anything else
- * because it uses all following characters until it
- * receives a ESC, a SUB, a ST or any other C1 control
- * character.
- */
- if (term.esc & ESC_STR) {
- if (u == '\a' || u == 030 || u == 032 || u == 033 ||
- ISCONTROLC1(u)) {
- term.esc &= ~(ESC_START|ESC_STR);
- term.esc |= ESC_STR_END;
- } else if (strescseq.len + len < sizeof(strescseq.buf) - 1) {
- memmove(&strescseq.buf[strescseq.len], c, len);
- strescseq.len += len;
- return;
- } else {
- /*
- * Here is a bug in terminals. If the user never sends
- * some code to stop the str or esc command, then st
- * will stop responding. But this is better than
- * silently failing with unknown characters. At least
- * then users will report back.
- *
- * In the case users ever get fixed, here is the code:
- */
- /*
- * term.esc = 0;
- * strhandle();
- */
- return;
- }
- }
-
- /*
- * Actions of control codes must be performed as soon they arrive
- * because they can be embedded inside a control sequence, and
- * they must not cause conflicts with sequences.
- */
- if (control) {
- tcontrolcode(u);
- /*
- * control codes are not shown ever
- */
- return;
- } else if (term.esc & ESC_START) {
- if (term.esc & ESC_CSI) {
- csiescseq.buf[csiescseq.len++] = u;
- if (BETWEEN(u, 0x40, 0x7E)
- || csiescseq.len >= \
- sizeof(csiescseq.buf)-1) {
- term.esc = 0;
- csiparse();
- csihandle();
- }
- return;
- } else if (term.esc & ESC_ALTCHARSET) {
- tdeftran(u);
- } else if (term.esc & ESC_TEST) {
- tdectest(u);
- } else {
- if (!eschandle(u))
- return;
- /* sequence already finished */
- }
- term.esc = 0;
- /*
- * All characters which form part of a sequence are not
- * printed
- */
- return;
- }
- if (sel.ob.x != -1 && BETWEEN(term.c.y, sel.ob.y, sel.oe.y))
- selclear(NULL);
-
- gp = &term.line[term.c.y][term.c.x];
- if (IS_SET(MODE_WRAP) && (term.c.state & CURSOR_WRAPNEXT)) {
- gp->mode |= ATTR_WRAP;
- tnewline(1);
- gp = &term.line[term.c.y][term.c.x];
- }
-
- if (IS_SET(MODE_INSERT) && term.c.x+width < term.col)
- memmove(gp+width, gp, (term.col - term.c.x - width) * sizeof(Glyph));
-
- if (term.c.x+width > term.col) {
- tnewline(1);
- gp = &term.line[term.c.y][term.c.x];
- }
-
- tsetchar(u, &term.c.attr, term.c.x, term.c.y);
-
- if (width == 2) {
- gp->mode |= ATTR_WIDE;
- if (term.c.x+1 < term.col) {
- gp[1].u = '\0';
- gp[1].mode = ATTR_WDUMMY;
- }
- }
- if (term.c.x+width < term.col) {
- tmoveto(term.c.x+width, term.c.y);
- } else {
- term.c.state |= CURSOR_WRAPNEXT;
- }
-}
-
-void
-tresize(int col, int row)
-{
- int i, j;
- int minrow = MIN(row, term.row);
- int mincol = MIN(col, term.col);
- int *bp;
- TCursor c;
-
- if (col < 1 || row < 1) {
- fprintf(stderr,
- "tresize: error resizing to %dx%d\n", col, row);
- return;
- }
-
- /*
- * slide screen to keep cursor where we expect it -
- * tscrollup would work here, but we can optimize to
- * memmove because we're freeing the earlier lines
- */
- for (i = 0; i <= term.c.y - row; i++) {
- free(term.line[i]);
- free(term.alt[i]);
- }
- /* ensure that both src and dst are not NULL */
- if (i > 0) {
- memmove(term.line, term.line + i, row * sizeof(Line));
- memmove(term.alt, term.alt + i, row * sizeof(Line));
- }
- for (i += row; i < term.row; i++) {
- free(term.line[i]);
- free(term.alt[i]);
- }
-
- /* resize to new width */
- term.specbuf = xrealloc(term.specbuf, col * sizeof(XftGlyphFontSpec));
-
- /* resize to new height */
- term.line = xrealloc(term.line, row * sizeof(Line));
- term.alt = xrealloc(term.alt, row * sizeof(Line));
- term.dirty = xrealloc(term.dirty, row * sizeof(*term.dirty));
- term.tabs = xrealloc(term.tabs, col * sizeof(*term.tabs));
-
- for (i = 0; i < histsize; i++) {
- term.hist[i] = xrealloc(term.hist[i], col * sizeof(Glyph));
- for (j = mincol; j < col; j++) {
- term.hist[i][j] = term.c.attr;
- term.hist[i][j].u = ' ';
- }
- }
-
- /* resize each row to new width, zero-pad if needed */
- for (i = 0; i < minrow; i++) {
- term.line[i] = xrealloc(term.line[i], col * sizeof(Glyph));
- term.alt[i] = xrealloc(term.alt[i], col * sizeof(Glyph));
- }
-
- /* allocate any new rows */
- for (/* i == minrow */; i < row; i++) {
- term.line[i] = xmalloc(col * sizeof(Glyph));
- term.alt[i] = xmalloc(col * sizeof(Glyph));
- }
- if (col > term.col) {
- bp = term.tabs + term.col;
-
- memset(bp, 0, sizeof(*term.tabs) * (col - term.col));
- while (--bp > term.tabs && !*bp)
- /* nothing */ ;
- for (bp += tabspaces; bp < term.tabs + col; bp += tabspaces)
- *bp = 1;
- }
- /* update terminal size */
- term.col = col;
- term.row = row;
- /* reset scrolling region */
- tsetscroll(0, row-1);
- /* make use of the LIMIT in tmoveto */
- tmoveto(term.c.x, term.c.y);
- /* Clearing both screens (it makes dirty all lines) */
- c = term.c;
- for (i = 0; i < 2; i++) {
- if (mincol < col && 0 < minrow) {
- tclearregion(mincol, 0, col - 1, minrow - 1);
- }
- if (0 < col && minrow < row) {
- tclearregion(0, minrow, col - 1, row - 1);
- }
- tswapscreen();
- tcursor(CURSOR_LOAD);
- }
- term.c = c;
-}
-
-void
-xresize(int col, int row)
-{
- xw.tw = MAX(1, col * xw.cw);
- xw.th = MAX(1, row * xw.ch);
-
- XFreePixmap(xw.dpy, xw.buf);
- xw.buf = XCreatePixmap(xw.dpy, xw.win, xw.w, xw.h,
- DefaultDepth(xw.dpy, xw.scr));
- XftDrawChange(xw.draw, xw.buf);
- xclear(0, 0, xw.w, xw.h);
-}
-
-ushort
-sixd_to_16bit(int x)
-{
- return x == 0 ? 0 : 0x3737 + 0x2828 * x;
-}
-
-int
-xloadcolor(int i, const char *name, Color *ncolor)
-{
- XRenderColor color = { .alpha = 0xffff };
-
- if (!name) {
- if (BETWEEN(i, 16, 255)) { /* 256 color */
- if (i < 6*6*6+16) { /* same colors as xterm */
- color.red = sixd_to_16bit( ((i-16)/36)%6 );
- color.green = sixd_to_16bit( ((i-16)/6) %6 );
- color.blue = sixd_to_16bit( ((i-16)/1) %6 );
- } else { /* greyscale */
- color.red = 0x0808 + 0x0a0a * (i - (6*6*6+16));
- color.green = color.blue = color.red;
- }
- return XftColorAllocValue(xw.dpy, xw.vis,
- xw.cmap, &color, ncolor);
- } else
- name = colorname[i];
- }
-
- return XftColorAllocName(xw.dpy, xw.vis, xw.cmap, name, ncolor);
-}
-
-void
-xloadcols(void)
-{
- int i;
- static int loaded;
- Color *cp;
-
- if (loaded) {
- for (cp = dc.col; cp < &dc.col[LEN(dc.col)]; ++cp)
- XftColorFree(xw.dpy, xw.vis, xw.cmap, cp);
- }
-
- for (i = 0; i < LEN(dc.col); i++)
- if (!xloadcolor(i, NULL, &dc.col[i])) {
- if (colorname[i])
- die("Could not allocate color '%s'\n", colorname[i]);
- else
- die("Could not allocate color %d\n", i);
- }
- loaded = 1;
-}
-
-int
-xsetcolorname(int x, const char *name)
-{
- Color ncolor;
-
- if (!BETWEEN(x, 0, LEN(dc.col)))
- return 1;
-
-
- if (!xloadcolor(x, name, &ncolor))
- return 1;
-
- XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]);
- dc.col[x] = ncolor;
-
- return 0;
-}
-
-/*
- * Absolute coordinates.
- */
-void
-xclear(int x1, int y1, int x2, int y2)
-{
- XftDrawRect(xw.draw,
- &dc.col[IS_SET(MODE_REVERSE)? defaultfg : defaultbg],
- x1, y1, x2-x1, y2-y1);
-}
-
-void
-xhints(void)
-{
- XClassHint class = {termname, termname};
- XWMHints wm = {.flags = InputHint, .input = 1};
- XSizeHints *sizeh = NULL;
-
- sizeh = XAllocSizeHints();
-
- sizeh->flags = PSize | PResizeInc | PBaseSize;
- sizeh->height = xw.h;
- sizeh->width = xw.w;
- sizeh->height_inc = xw.ch;
- sizeh->width_inc = xw.cw;
- sizeh->base_height = 2 * borderpx;
- sizeh->base_width = 2 * borderpx;
- if (xw.isfixed) {
- sizeh->flags |= PMaxSize | PMinSize;
- sizeh->min_width = sizeh->max_width = xw.w;
- sizeh->min_height = sizeh->max_height = xw.h;
- }
- if (xw.gm & (XValue|YValue)) {
- sizeh->flags |= USPosition | PWinGravity;
- sizeh->x = xw.l;
- sizeh->y = xw.t;
- sizeh->win_gravity = xgeommasktogravity(xw.gm);
- }
-
- XSetWMProperties(xw.dpy, xw.win, NULL, NULL, NULL, 0, sizeh, &wm,
- &class);
- XFree(sizeh);
-}
-
-int
-xgeommasktogravity(int mask)
-{
- switch (mask & (XNegative|YNegative)) {
- case 0:
- return NorthWestGravity;
- case XNegative:
- return NorthEastGravity;
- case YNegative:
- return SouthWestGravity;
- }
-
- return SouthEastGravity;
-}
-
-int
-xloadfont(Font *f, FcPattern *pattern)
-{
- FcPattern *match;
- FcResult result;
- XGlyphInfo extents;
-
- match = XftFontMatch(xw.dpy, xw.scr, pattern, &result);
- if (!match)
- return 1;
-
- if (!(f->match = XftFontOpenPattern(xw.dpy, match))) {
- FcPatternDestroy(match);
- return 1;
- }
-
- XftTextExtentsUtf8(xw.dpy, f->match,
- (const FcChar8 *) ascii_printable,
- strlen(ascii_printable), &extents);
-
- f->set = NULL;
- f->pattern = FcPatternDuplicate(pattern);
-
- f->ascent = f->match->ascent;
- f->descent = f->match->descent;
- f->lbearing = 0;
- f->rbearing = f->match->max_advance_width;
-
- f->height = f->ascent + f->descent;
- f->width = DIVCEIL(extents.xOff, strlen(ascii_printable));
-
- return 0;
-}
-
-void
-xloadfonts(char *fontstr, double fontsize)
-{
- FcPattern *pattern;
- double fontval;
- float ceilf(float);
-
- if (fontstr[0] == '-') {
- pattern = XftXlfdParse(fontstr, False, False);
- } else {
- pattern = FcNameParse((FcChar8 *)fontstr);
- }
-
- if (!pattern)
- die("st: can't open font %s\n", fontstr);
-
- if (fontsize > 1) {
- FcPatternDel(pattern, FC_PIXEL_SIZE);
- FcPatternDel(pattern, FC_SIZE);
- FcPatternAddDouble(pattern, FC_PIXEL_SIZE, (double)fontsize);
- usedfontsize = fontsize;
- } else {
- if (FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval) ==
- FcResultMatch) {
- usedfontsize = fontval;
- } else if (FcPatternGetDouble(pattern, FC_SIZE, 0, &fontval) ==
- FcResultMatch) {
- usedfontsize = -1;
- } else {
- /*
- * Default font size is 12, if none given. This is to
- * have a known usedfontsize value.
- */
- FcPatternAddDouble(pattern, FC_PIXEL_SIZE, 12);
- usedfontsize = 12;
- }
- defaultfontsize = usedfontsize;
- }
-
- if (xloadfont(&dc.font, pattern))
- die("st: can't open font %s\n", fontstr);
-
- if (usedfontsize < 0) {
- FcPatternGetDouble(dc.font.match->pattern,
- FC_PIXEL_SIZE, 0, &fontval);
- usedfontsize = fontval;
- if (fontsize == 0)
- defaultfontsize = fontval;
- }
-
- /* Setting character width and height. */
- xw.cw = ceilf(dc.font.width * cwscale);
- xw.ch = ceilf(dc.font.height * chscale);
-
- FcPatternDel(pattern, FC_SLANT);
- FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC);
- if (xloadfont(&dc.ifont, pattern))
- die("st: can't open font %s\n", fontstr);
-
- FcPatternDel(pattern, FC_WEIGHT);
- FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_BOLD);
- if (xloadfont(&dc.ibfont, pattern))
- die("st: can't open font %s\n", fontstr);
-
- FcPatternDel(pattern, FC_SLANT);
- FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ROMAN);
- if (xloadfont(&dc.bfont, pattern))
- die("st: can't open font %s\n", fontstr);
-
- FcPatternDestroy(pattern);
-}
-
-void
-xinit(void)
-{
- XGCValues gcvalues;
- Cursor cursor;
- Window parent;
- pid_t thispid = getpid();
- XColor xmousefg, xmousebg;
-
- if (!(xw.dpy = XOpenDisplay(NULL)))
- die("Can't open display\n");
- xw.scr = XDefaultScreen(xw.dpy);
- xw.vis = XDefaultVisual(xw.dpy, xw.scr);
-
- /* font */
- if (!FcInit())
- die("Could not init fontconfig.\n");
-
- usedfont = font;
- xloadfonts(usedfont, 0);
-
- /* colors */
- xw.cmap = XDefaultColormap(xw.dpy, xw.scr);
- xloadcols();
-
- /* adjust fixed window geometry */
- xw.w = 2 * borderpx + term.col * xw.cw;
- xw.h = 2 * borderpx + term.row * xw.ch;
- if (xw.gm & XNegative)
- xw.l += DisplayWidth(xw.dpy, xw.scr) - xw.w - 2;
- if (xw.gm & YNegative)
- xw.t += DisplayHeight(xw.dpy, xw.scr) - xw.h - 2;
-
- /* Events */
- xw.attrs.background_pixel = dc.col[defaultbg].pixel;
- xw.attrs.border_pixel = dc.col[defaultbg].pixel;
- xw.attrs.bit_gravity = NorthWestGravity;
- xw.attrs.event_mask = FocusChangeMask | KeyPressMask
- | ExposureMask | VisibilityChangeMask | StructureNotifyMask
- | ButtonMotionMask | ButtonPressMask | ButtonReleaseMask;
- xw.attrs.colormap = xw.cmap;
-
- parent = XRootWindow(xw.dpy, xw.scr);
- xw.win = XCreateWindow(xw.dpy, parent, xw.l, xw.t,
- xw.w, xw.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput,
- xw.vis, CWBackPixel | CWBorderPixel | CWBitGravity
- | CWEventMask | CWColormap, &xw.attrs);
-
- memset(&gcvalues, 0, sizeof(gcvalues));
- gcvalues.graphics_exposures = False;
- dc.gc = XCreateGC(xw.dpy, parent, GCGraphicsExposures,
- &gcvalues);
- xw.buf = XCreatePixmap(xw.dpy, xw.win, xw.w, xw.h,
- DefaultDepth(xw.dpy, xw.scr));
- XSetForeground(xw.dpy, dc.gc, dc.col[defaultbg].pixel);
- XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, xw.w, xw.h);
-
- /* Xft rendering context */
- xw.draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap);
-
- /* input methods */
- if ((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) {
- XSetLocaleModifiers("@im=local");
- if ((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) {
- XSetLocaleModifiers("@im=");
- if ((xw.xim = XOpenIM(xw.dpy,
- NULL, NULL, NULL)) == NULL) {
- die("XOpenIM failed. Could not open input"
- " device.\n");
- }
- }
- }
- xw.xic = XCreateIC(xw.xim, XNInputStyle, XIMPreeditNothing
- | XIMStatusNothing, XNClientWindow, xw.win,
- XNFocusWindow, xw.win, NULL);
- if (xw.xic == NULL)
- die("XCreateIC failed. Could not obtain input method.\n");
-
- /* white cursor, black outline */
- cursor = XCreateFontCursor(xw.dpy, mouseshape);
- XDefineCursor(xw.dpy, xw.win, cursor);
-
- if (XParseColor(xw.dpy, xw.cmap, colorname[mousefg], &xmousefg) == 0) {
- xmousefg.red = 0xffff;
- xmousefg.green = 0xffff;
- xmousefg.blue = 0xffff;
- }
-
- if (XParseColor(xw.dpy, xw.cmap, colorname[mousebg], &xmousebg) == 0) {
- xmousebg.red = 0x0000;
- xmousebg.green = 0x0000;
- xmousebg.blue = 0x0000;
- }
-
- XRecolorCursor(xw.dpy, cursor, &xmousefg, &xmousebg);
-
- xw.xembed = XInternAtom(xw.dpy, "_XEMBED", False);
- xw.wmdeletewin = XInternAtom(xw.dpy, "WM_DELETE_WINDOW", False);
- xw.netwmname = XInternAtom(xw.dpy, "_NET_WM_NAME", False);
- XSetWMProtocols(xw.dpy, xw.win, &xw.wmdeletewin, 1);
-
- xw.netwmpid = XInternAtom(xw.dpy, "_NET_WM_PID", False);
- XChangeProperty(xw.dpy, xw.win, xw.netwmpid, XA_CARDINAL, 32,
- PropModeReplace, (uchar *)&thispid, 1);
-
- xresettitle();
- XMapWindow(xw.dpy, xw.win);
- xhints();
- XSync(xw.dpy, False);
-}
-
-int
-xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x, int y)
-{
- float winx = borderpx + x * xw.cw, winy = borderpx + y * xw.ch, xp, yp;
- ushort mode, prevmode = USHRT_MAX;
- Font *font = &dc.font;
- int frcflags = FRC_NORMAL;
- float runewidth = xw.cw;
- Rune rune;
- FT_UInt glyphidx;
- FcResult fcres;
- FcPattern *fcpattern, *fontpattern;
- FcFontSet *fcsets[] = { NULL };
- FcCharSet *fccharset;
- int i, f, numspecs = 0;
-
- for (i = 0, xp = winx, yp = winy + font->ascent; i < len; ++i) {
- /* Fetch rune and mode for current glyph. */
- rune = glyphs[i].u;
- mode = glyphs[i].mode;
-
- /* Skip dummy wide-character spacing. */
- if (mode == ATTR_WDUMMY)
- continue;
-
- /* Determine font for glyph if different from previous glyph. */
- if (prevmode != mode) {
- prevmode = mode;
- font = &dc.font;
- frcflags = FRC_NORMAL;
- runewidth = xw.cw * ((mode & ATTR_WIDE) ? 2.0f : 1.0f);
- if ((mode & ATTR_ITALIC) && (mode & ATTR_BOLD)) {
- font = &dc.ibfont;
- frcflags = FRC_ITALICBOLD;
- } else if (mode & ATTR_ITALIC) {
- font = &dc.ifont;
- frcflags = FRC_ITALIC;
- } else if (mode & ATTR_BOLD) {
- font = &dc.bfont;
- frcflags = FRC_BOLD;
- }
- yp = winy + font->ascent;
- }
-
- /* Lookup character index with default font. */
- glyphidx = XftCharIndex(xw.dpy, font->match, rune);
- if (glyphidx) {
- specs[numspecs].font = font->match;
- specs[numspecs].glyph = glyphidx;
- specs[numspecs].x = (short)xp;
- specs[numspecs].y = (short)yp;
- xp += runewidth;
- numspecs++;
- continue;
- }
-
- /* Fallback on font cache, search the font cache for match. */
- for (f = 0; f < frclen; f++) {
- glyphidx = XftCharIndex(xw.dpy, frc[f].font, rune);
- /* Everything correct. */
- if (glyphidx && frc[f].flags == frcflags)
- break;
- /* We got a default font for a not found glyph. */
- if (!glyphidx && frc[f].flags == frcflags
- && frc[f].unicodep == rune) {
- break;
- }
- }
-
- /* Nothing was found. Use fontconfig to find matching font. */
- if (f >= frclen) {
- if (!font->set)
- font->set = FcFontSort(0, font->pattern,
- 1, 0, &fcres);
- fcsets[0] = font->set;
-
- /*
- * Nothing was found in the cache. Now use
- * some dozen of Fontconfig calls to get the
- * font for one single character.
- *
- * Xft and fontconfig are design failures.
- */
- fcpattern = FcPatternDuplicate(font->pattern);
- fccharset = FcCharSetCreate();
-
- FcCharSetAddChar(fccharset, rune);
- FcPatternAddCharSet(fcpattern, FC_CHARSET,
- fccharset);
- FcPatternAddBool(fcpattern, FC_SCALABLE, 1);
-
- FcConfigSubstitute(0, fcpattern,
- FcMatchPattern);
- FcDefaultSubstitute(fcpattern);
-
- fontpattern = FcFontSetMatch(0, fcsets, 1,
- fcpattern, &fcres);
-
- /*
- * Overwrite or create the new cache entry.
- */
- if (frclen >= LEN(frc)) {
- frclen = LEN(frc) - 1;
- XftFontClose(xw.dpy, frc[frclen].font);
- frc[frclen].unicodep = 0;
- }
-
- frc[frclen].font = XftFontOpenPattern(xw.dpy,
- fontpattern);
- frc[frclen].flags = frcflags;
- frc[frclen].unicodep = rune;
-
- glyphidx = XftCharIndex(xw.dpy, frc[frclen].font, rune);
-
- f = frclen;
- frclen++;
-
- FcPatternDestroy(fcpattern);
- FcCharSetDestroy(fccharset);
- }
-
- specs[numspecs].font = frc[f].font;
- specs[numspecs].glyph = glyphidx;
- specs[numspecs].x = (short)xp;
- specs[numspecs].y = (short)yp;
- xp += runewidth;
- numspecs++;
- }
-
- return numspecs;
-}
-
-void
-xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, int y)
-{
- int charlen = len * ((base.mode & ATTR_WIDE) ? 2 : 1);
- int winx = borderpx + x * xw.cw, winy = borderpx + y * xw.ch,
- width = charlen * xw.cw;
- Color *fg, *bg, *temp, revfg, revbg, truefg, truebg;
- XRenderColor colfg, colbg;
- XRectangle r;
-
- /* Determine foreground and background colors based on mode. */
- if (base.fg == defaultfg) {
- if (base.mode & ATTR_ITALIC)
- base.fg = defaultitalic;
- else if ((base.mode & ATTR_ITALIC) && (base.mode & ATTR_BOLD))
- base.fg = defaultitalic;
- else if (base.mode & ATTR_UNDERLINE)
- base.fg = defaultunderline;
- }
-
- if (IS_TRUECOL(base.fg)) {
- colfg.alpha = 0xffff;
- colfg.red = TRUERED(base.fg);
- colfg.green = TRUEGREEN(base.fg);
- colfg.blue = TRUEBLUE(base.fg);
- XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &truefg);
- fg = &truefg;
- } else {
- fg = &dc.col[base.fg];
- }
-
- if (IS_TRUECOL(base.bg)) {
- colbg.alpha = 0xffff;
- colbg.green = TRUEGREEN(base.bg);
- colbg.red = TRUERED(base.bg);
- colbg.blue = TRUEBLUE(base.bg);
- XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg, &truebg);
- bg = &truebg;
- } else {
- bg = &dc.col[base.bg];
- }
-
- /* Change basic system colors [0-7] to bright system colors [8-15] */
- if ((base.mode & ATTR_BOLD_FAINT) == ATTR_BOLD && BETWEEN(base.fg, 0, 7))
- fg = &dc.col[base.fg];
-
- if (IS_SET(MODE_REVERSE)) {
- if (fg == &dc.col[defaultfg]) {
- fg = &dc.col[defaultbg];
- } else {
- colfg.red = ~fg->color.red;
- colfg.green = ~fg->color.green;
- colfg.blue = ~fg->color.blue;
- colfg.alpha = fg->color.alpha;
- XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg,
- &revfg);
- fg = &revfg;
- }
-
- if (bg == &dc.col[defaultbg]) {
- bg = &dc.col[defaultfg];
- } else {
- colbg.red = ~bg->color.red;
- colbg.green = ~bg->color.green;
- colbg.blue = ~bg->color.blue;
- colbg.alpha = bg->color.alpha;
- XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg,
- &revbg);
- bg = &revbg;
- }
- }
-
- if (base.mode & ATTR_REVERSE) {
- temp = fg;
- fg = bg;
- bg = temp;
- }
-
- if ((base.mode & ATTR_BOLD_FAINT) == ATTR_FAINT) {
- colfg.red = fg->color.red / 2;
- colfg.green = fg->color.green / 2;
- colfg.blue = fg->color.blue / 2;
- XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &revfg);
- fg = &revfg;
- }
-
- if (base.mode & ATTR_BLINK && term.mode & MODE_BLINK)
- fg = bg;
-
- if (base.mode & ATTR_INVISIBLE)
- fg = bg;
-
- /* Intelligent cleaning up of the borders. */
- if (x == 0) {
- xclear(0, (y == 0)? 0 : winy, borderpx,
- winy + xw.ch + ((y >= term.row-1)? xw.h : 0));
- }
- if (x + charlen >= term.col) {
- xclear(winx + width, (y == 0)? 0 : winy, xw.w,
- ((y >= term.row-1)? xw.h : (winy + xw.ch)));
- }
- if (y == 0)
- xclear(winx, 0, winx + width, borderpx);
- if (y == term.row-1)
- xclear(winx, winy + xw.ch, winx + width, xw.h);
-
- /* Clean up the region we want to draw to. */
- XftDrawRect(xw.draw, bg, winx, winy, width, xw.ch);
-
- /* Set the clip region because Xft is sometimes dirty. */
- r.x = 0;
- r.y = 0;
- r.height = xw.ch;
- r.width = width;
- XftDrawSetClipRectangles(xw.draw, winx, winy, &r, 1);
-
- /* Render the glyphs. */
- XftDrawGlyphFontSpec(xw.draw, fg, specs, len);
-
- /* Render underline and strikethrough. */
- if (base.mode & ATTR_UNDERLINE) {
- XftDrawRect(xw.draw, fg, winx, winy + dc.font.ascent + 1,
- width, 1);
- }
-
- if (base.mode & ATTR_STRUCK) {
- XftDrawRect(xw.draw, fg, winx, winy + 2 * dc.font.ascent / 3,
- width, 1);
- }
-
- /* Reset clip to none. */
- XftDrawSetClip(xw.draw, 0);
-}
-
-void
-xdrawglyph(Glyph g, int x, int y)
-{
- int numspecs;
- XftGlyphFontSpec spec;
-
- numspecs = xmakeglyphfontspecs(&spec, &g, 1, x, y);
- xdrawglyphfontspecs(&spec, g, numspecs, x, y);
-}
-
-void
-xdrawcursor(void)
-{
- static int oldx = 0, oldy = 0;
- int curx;
- Glyph g = {' ', ATTR_NULL, defaultbg, defaultcs}, og;
- int ena_sel = sel.ob.x != -1 && sel.alt == IS_SET(MODE_ALTSCREEN);
- Color drawcol;
-
- LIMIT(oldx, 0, term.col-1);
- LIMIT(oldy, 0, term.row-1);
-
- curx = term.c.x;
-
- /* adjust position if in dummy */
- if (term.line[oldy][oldx].mode & ATTR_WDUMMY)
- oldx--;
- if (term.line[term.c.y][curx].mode & ATTR_WDUMMY)
- curx--;
-
- /* remove the old cursor */
- og = term.line[oldy][oldx];
- if (ena_sel && selected(oldx, oldy))
- og.mode ^= ATTR_REVERSE;
- xdrawglyph(og, oldx, oldy);
-
- g.u = term.line[term.c.y][term.c.x].u;
-
- /*
- * Select the right color for the right mode.
- */
- if (IS_SET(MODE_REVERSE)) {
- g.mode |= ATTR_REVERSE;
- g.bg = defaultfg;
- if (ena_sel && selected(term.c.x, term.c.y)) {
- drawcol = dc.col[defaultcs];
- g.fg = defaultrcs;
- } else {
- drawcol = dc.col[defaultrcs];
- g.fg = defaultcs;
- }
- } else {
- if (ena_sel && selected(term.c.x, term.c.y)) {
- drawcol = dc.col[defaultrcs];
- g.fg = defaultfg;
- g.bg = defaultrcs;
- } else {
- drawcol = dc.col[defaultcs];
- }
- }
-
- if (IS_SET(MODE_HIDE))
- return;
-
- /* draw the new one */
- if (xw.state & WIN_FOCUSED) {
- switch (xw.cursor) {
- case 0: /* Blinking Block */
- case 1: /* Blinking Block (Default) */
- case 2: /* Steady Block */
- g.mode |= term.line[term.c.y][curx].mode & ATTR_WIDE;
- xdrawglyph(g, term.c.x, term.c.y);
- break;
- case 3: /* Blinking Underline */
- case 4: /* Steady Underline */
- XftDrawRect(xw.draw, &drawcol,
- borderpx + curx * xw.cw,
- borderpx + (term.c.y + 1) * xw.ch - \
- cursorthickness,
- xw.cw, cursorthickness);
- break;
- case 5: /* Blinking bar */
- case 6: /* Steady bar */
- XftDrawRect(xw.draw, &drawcol,
- borderpx + curx * xw.cw,
- borderpx + term.c.y * xw.ch,
- cursorthickness, xw.ch);
- break;
- }
- } else {
- XftDrawRect(xw.draw, &drawcol,
- borderpx + curx * xw.cw,
- borderpx + term.c.y * xw.ch,
- xw.cw - 1, 1);
- XftDrawRect(xw.draw, &drawcol,
- borderpx + curx * xw.cw,
- borderpx + term.c.y * xw.ch,
- 1, xw.ch - 1);
- XftDrawRect(xw.draw, &drawcol,
- borderpx + (curx + 1) * xw.cw - 1,
- borderpx + term.c.y * xw.ch,
- 1, xw.ch - 1);
- XftDrawRect(xw.draw, &drawcol,
- borderpx + curx * xw.cw,
- borderpx + (term.c.y + 1) * xw.ch - 1,
- xw.cw, 1);
- }
- oldx = curx, oldy = term.c.y;
-}
-
-
-void
-xsettitle(char *p)
-{
- XTextProperty prop;
-
- Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle,
- &prop);
- XSetWMName(xw.dpy, xw.win, &prop);
- XSetTextProperty(xw.dpy, xw.win, &prop, xw.netwmname);
- XFree(prop.value);
-}
-
-void
-xresettitle(void)
-{
- xsettitle("st");
-}
-
-void
-redraw(void)
-{
- tfulldirt();
- draw();
-}
-
-void
-draw(void)
-{
- drawregion(0, 0, term.col, term.row);
- XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, 0, 0, xw.w,
- xw.h, 0, 0);
- XSetForeground(xw.dpy, dc.gc,
- dc.col[IS_SET(MODE_REVERSE)?
- defaultfg : defaultbg].pixel);
-}
-
-void
-drawregion(int x1, int y1, int x2, int y2)
-{
- int i, x, y, ox, numspecs;
- Glyph base, new;
- XftGlyphFontSpec *specs;
- int ena_sel = sel.ob.x != -1 && sel.alt == IS_SET(MODE_ALTSCREEN);
-
- if (!(xw.state & WIN_VISIBLE))
- return;
-
- for (y = y1; y < y2; y++) {
- if (!term.dirty[y])
- continue;
-
- term.dirty[y] = 0;
-
- specs = term.specbuf;
- numspecs = xmakeglyphfontspecs(specs, &TLINE(y)[x1], x2 - x1, x1, y);
-
- i = ox = 0;
- for (x = x1; x < x2 && i < numspecs; x++) {
- new = TLINE(y)[x];
- if (new.mode == ATTR_WDUMMY)
- continue;
- if (ena_sel && selected(x, y))
- new.mode ^= ATTR_REVERSE;
- if (i > 0 && ATTRCMP(base, new)) {
- xdrawglyphfontspecs(specs, base, i, ox, y);
- specs += i;
- numspecs -= i;
- i = 0;
- }
- if (i == 0) {
- ox = x;
- base = new;
- }
- i++;
- }
- if (i > 0)
- xdrawglyphfontspecs(specs, base, i, ox, y);
- }
- if (term.scr == 0)
- xdrawcursor();
-}
-
-void
-expose(XEvent *ev)
-{
- redraw();
-}
-
-void
-visibility(XEvent *ev)
-{
- XVisibilityEvent *e = &ev->xvisibility;
-
- MODBIT(xw.state, e->state != VisibilityFullyObscured, WIN_VISIBLE);
-}
-
-void
-unmap(XEvent *ev)
-{
- xw.state &= ~WIN_VISIBLE;
-}
-
-void
-xsetpointermotion(int set)
-{
- MODBIT(xw.attrs.event_mask, set, PointerMotionMask);
- XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask, &xw.attrs);
-}
-
-void
-xseturgency(int add)
-{
- XWMHints *h = XGetWMHints(xw.dpy, xw.win);
-
- MODBIT(h->flags, add, XUrgencyHint);
- XSetWMHints(xw.dpy, xw.win, h);
- XFree(h);
-}
-
-void
-focus(XEvent *ev)
-{
- XFocusChangeEvent *e = &ev->xfocus;
-
- if (e->mode == NotifyGrab)
- return;
-
- if (ev->type == FocusIn) {
- XSetICFocus(xw.xic);
- xw.state |= WIN_FOCUSED;
- xseturgency(0);
- if (IS_SET(MODE_FOCUS))
- ttywrite("\033[I", 3);
- } else {
- XUnsetICFocus(xw.xic);
- xw.state &= ~WIN_FOCUSED;
- if (IS_SET(MODE_FOCUS))
- ttywrite("\033[O", 3);
- }
-}
-
-int
-match(uint mask, uint state)
-{
- return mask == XK_ANY_MOD || mask == (state & ~ignoremod);
-}
-
-void
-numlock(const Arg *dummy)
-{
- term.numlock ^= 1;
-}
-
-char*
-kmap(KeySym k, uint state)
-{
- Key *kp;
- int i;
-
- /* Check for mapped keys out of X11 function keys. */
- for (i = 0; i < LEN(mappedkeys); i++) {
- if (mappedkeys[i] == k)
- break;
- }
- if (i == LEN(mappedkeys)) {
- if ((k & 0xFFFF) < 0xFD00)
- return NULL;
- }
-
- for (kp = key; kp < key + LEN(key); kp++) {
- if (kp->k != k)
- continue;
-
- if (!match(kp->mask, state))
- continue;
-
- if (IS_SET(MODE_APPKEYPAD) ? kp->appkey < 0 : kp->appkey > 0)
- continue;
- if (term.numlock && kp->appkey == 2)
- continue;
-
- if (IS_SET(MODE_APPCURSOR) ? kp->appcursor < 0 : kp->appcursor > 0)
- continue;
-
- if (IS_SET(MODE_CRLF) ? kp->crlf < 0 : kp->crlf > 0)
- continue;
-
- return kp->s;
- }
-
- return NULL;
-}
-
-void
-kpress(XEvent *ev)
-{
- XKeyEvent *e = &ev->xkey;
- KeySym ksym;
- char buf[32], *customkey;
- int len;
- Rune c;
- Status status;
- Shortcut *bp;
-
- if (IS_SET(MODE_KBDLOCK))
- return;
-
- len = XmbLookupString(xw.xic, e, buf, sizeof buf, &ksym, &status);
- /* 1. shortcuts */
- for (bp = shortcuts; bp < shortcuts + LEN(shortcuts); bp++) {
- if (ksym == bp->keysym && match(bp->mod, e->state)) {
- bp->func(&(bp->arg));
- return;
- }
- }
-
- /* 2. custom keys from config.h */
- if ((customkey = kmap(ksym, e->state))) {
- ttysend(customkey, strlen(customkey));
- return;
- }
-
- /* 3. composed string from input method */
- if (len == 0)
- return;
- if (len == 1 && e->state & Mod1Mask) {
- if (IS_SET(MODE_8BIT)) {
- if (*buf < 0177) {
- c = *buf | 0x80;
- len = utf8encode(c, buf);
- }
- } else {
- buf[1] = buf[0];
- buf[0] = '\033';
- len = 2;
- }
- }
- ttysend(buf, len);
-}
-
-
-void
-cmessage(XEvent *e)
-{
- /*
- * See xembed specs
- * http://standards.freedesktop.org/xembed-spec/xembed-spec-latest.html
- */
- if (e->xclient.message_type == xw.xembed && e->xclient.format == 32) {
- if (e->xclient.data.l[1] == XEMBED_FOCUS_IN) {
- xw.state |= WIN_FOCUSED;
- xseturgency(0);
- } else if (e->xclient.data.l[1] == XEMBED_FOCUS_OUT) {
- xw.state &= ~WIN_FOCUSED;
- }
- } else if (e->xclient.data.l[0] == xw.wmdeletewin) {
- /* Send SIGHUP to shell */
- kill(pid, SIGHUP);
- exit(0);
- }
-}
-
-void
-cresize(int width, int height)
-{
- int col, row;
-
- if (width != 0)
- xw.w = width;
- if (height != 0)
- xw.h = height;
-
- col = (xw.w - 2 * borderpx) / xw.cw;
- row = (xw.h - 2 * borderpx) / xw.ch;
-
- tresize(col, row);
- xresize(col, row);
-}
-
-void
-resize(XEvent *e)
-{
- if (e->xconfigure.width == xw.w && e->xconfigure.height == xw.h)
- return;
-
- cresize(e->xconfigure.width, e->xconfigure.height);
- ttyresize();
-}
-
-void
-run(void)
-{
- XEvent ev;
- int w = xw.w, h = xw.h;
- fd_set rfd;
- int xfd = XConnectionNumber(xw.dpy), xev, blinkset = 0, dodraw = 0;
- struct timespec drawtimeout, *tv = NULL, now, last, lastblink;
- long deltatime;
-
- /* Waiting for window mapping */
- do {
- XNextEvent(xw.dpy, &ev);
- /*
- * This XFilterEvent call is required because of XOpenIM. It
- * does filter out the key event and some client message for
- * the input method too.
- */
- if (XFilterEvent(&ev, None))
- continue;
- if (ev.type == ConfigureNotify) {
- w = ev.xconfigure.width;
- h = ev.xconfigure.height;
- }
- } while (ev.type != MapNotify);
-
- cresize(w, h);
- ttynew();
- ttyresize();
-
- clock_gettime(CLOCK_MONOTONIC, &last);
- lastblink = last;
-
- for (xev = actionfps;;) {
- FD_ZERO(&rfd);
- FD_SET(cmdfd, &rfd);
- FD_SET(xfd, &rfd);
-
- if (pselect(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, tv, NULL) < 0) {
- if (errno == EINTR)
- continue;
- die("select failed: %s\n", strerror(errno));
- }
- if (FD_ISSET(cmdfd, &rfd)) {
- ttyread();
- if (blinktimeout) {
- blinkset = tattrset(ATTR_BLINK);
- if (!blinkset)
- MODBIT(term.mode, 0, MODE_BLINK);
- }
- }
-
- if (FD_ISSET(xfd, &rfd))
- xev = actionfps;
-
- clock_gettime(CLOCK_MONOTONIC, &now);
- drawtimeout.tv_sec = 0;
- drawtimeout.tv_nsec = (1000 * 1E6)/ xfps;
- tv = &drawtimeout;
-
- dodraw = 0;
- if (blinktimeout && TIMEDIFF(now, lastblink) > blinktimeout) {
- tsetdirtattr(ATTR_BLINK);
- term.mode ^= MODE_BLINK;
- lastblink = now;
- dodraw = 1;
- }
- deltatime = TIMEDIFF(now, last);
- if (deltatime > 1000 / (xev ? xfps : actionfps)) {
- dodraw = 1;
- last = now;
- }
-
- if (dodraw) {
- while (XPending(xw.dpy)) {
- XNextEvent(xw.dpy, &ev);
- if (XFilterEvent(&ev, None))
- continue;
- if (handler[ev.type])
- (handler[ev.type])(&ev);
- }
-
- draw();
- XFlush(xw.dpy);
-
- if (xev && !FD_ISSET(xfd, &rfd))
- xev--;
- if (!FD_ISSET(cmdfd, &rfd) && !FD_ISSET(xfd, &rfd)) {
- if (blinkset) {
- if (TIMEDIFF(now, lastblink) \
- > blinktimeout) {
- drawtimeout.tv_nsec = 1000;
- } else {
- drawtimeout.tv_nsec = (1E6 * \
- (blinktimeout - \
- TIMEDIFF(now,
- lastblink)));
- }
- drawtimeout.tv_sec = \
- drawtimeout.tv_nsec / 1E9;
- drawtimeout.tv_nsec %= (long)1E9;
- } else {
- tv = NULL;
- }
- }
- }
- }
-}
-
-int main(void) {
- uint cols = 80, rows = 24;
- xw.l = xw.t = 0;
- xw.isfixed = False;
- xw.cursor = cursorshape;
-
- setlocale(LC_CTYPE, "");
- XSetLocaleModifiers("");
- tnew(MAX(cols, 1), MAX(rows, 1));
- xinit();
- selinit();
- run();
-
- return 0;
-}
-
projects / projs / tide.git / commitdiff