st

simple terminal
git clone git://git.suckless.org/st
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commit e2ee5ee6114eb74bb08cb9abe5a3020203e92688
parent c63a87cd936c1eeef14c4c21572e5b782d3df4bc
Author: Michael Forney <mforney@mforney.org>
Date:   Fri, 20 Jan 2017 00:06:39 -0800

Split X-specific code into x.c

Diffstat:
Makefile | 5++++-
config.def.h | 64++++++++++++++++++++++++++++++++--------------------------------
st.c | 2080++++---------------------------------------------------------------------------
st.h | 272+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
win.h | 29+++++++++++++++++++++++++++++
x.c | 1766+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
6 files changed, 2195 insertions(+), 2021 deletions(-)

diff --git a/Makefile b/Makefile @@ -3,7 +3,7 @@ include config.mk -SRC = st.c +SRC = st.c x.c OBJ = ${SRC:.c=.o} all: options st @@ -21,6 +21,9 @@ config.h: @echo CC $< @${CC} -c ${CFLAGS} $< +st.o: config.h st.h win.h +x.o: arg.h st.h win.h + ${OBJ}: config.h config.mk st: ${OBJ} diff --git a/config.def.h b/config.def.h @@ -5,8 +5,8 @@ * * font: see http://freedesktop.org/software/fontconfig/fontconfig-user.html */ -static char font[] = "Liberation Mono:pixelsize=12:antialias=true:autohint=true"; -static int borderpx = 2; +char font[] = "Liberation Mono:pixelsize=12:antialias=true:autohint=true"; +int borderpx = 2; /* * What program is execed by st depends of these precedence rules: @@ -24,8 +24,8 @@ static char stty_args[] = "stty raw pass8 nl -echo -iexten -cstopb 38400"; static char vtiden[] = "\033[?6c"; /* Kerning / character bounding-box multipliers */ -static float cwscale = 1.0; -static float chscale = 1.0; +float cwscale = 1.0; +float chscale = 1.0; /* * word delimiter string @@ -35,26 +35,26 @@ static float chscale = 1.0; static char worddelimiters[] = " "; /* selection timeouts (in milliseconds) */ -static unsigned int doubleclicktimeout = 300; -static unsigned int tripleclicktimeout = 600; +unsigned int doubleclicktimeout = 300; +unsigned int tripleclicktimeout = 600; /* alt screens */ -static int allowaltscreen = 1; +int allowaltscreen = 1; /* frames per second st should at maximum draw to the screen */ -static unsigned int xfps = 120; -static unsigned int actionfps = 30; +unsigned int xfps = 120; +unsigned int actionfps = 30; /* * blinking timeout (set to 0 to disable blinking) for the terminal blinking * attribute. */ -static unsigned int blinktimeout = 800; +unsigned int blinktimeout = 800; /* * thickness of underline and bar cursors */ -static unsigned int cursorthickness = 2; +unsigned int cursorthickness = 2; /* * bell volume. It must be a value between -100 and 100. Use 0 for disabling @@ -63,7 +63,7 @@ static unsigned int cursorthickness = 2; static int bellvolume = 0; /* default TERM value */ -static char termname[] = "st-256color"; +char termname[] = "st-256color"; /* * spaces per tab @@ -83,7 +83,7 @@ static char termname[] = "st-256color"; static unsigned int tabspaces = 8; /* Terminal colors (16 first used in escape sequence) */ -static const char *colorname[] = { +const char *colorname[] = { /* 8 normal colors */ "black", "red3", @@ -116,10 +116,10 @@ static const char *colorname[] = { * Default colors (colorname index) * foreground, background, cursor, reverse cursor */ -static unsigned int defaultfg = 7; -static unsigned int defaultbg = 0; -static unsigned int defaultcs = 256; -static unsigned int defaultrcs = 257; +unsigned int defaultfg = 7; +unsigned int defaultbg = 0; +unsigned int defaultcs = 256; +unsigned int defaultrcs = 257; /* * Default shape of cursor @@ -128,33 +128,33 @@ static unsigned int defaultrcs = 257; * 6: Bar ("|") * 7: Snowman ("☃") */ -static unsigned int cursorshape = 2; +unsigned int cursorshape = 2; /* * Default columns and rows numbers */ -static unsigned int cols = 80; -static unsigned int rows = 24; +unsigned int cols = 80; +unsigned int rows = 24; /* * Default colour and shape of the mouse cursor */ -static unsigned int mouseshape = XC_xterm; -static unsigned int mousefg = 7; -static unsigned int mousebg = 0; +unsigned int mouseshape = XC_xterm; +unsigned int mousefg = 7; +unsigned int mousebg = 0; /* * Color used to display font attributes when fontconfig selected a font which * doesn't match the ones requested. */ -static unsigned int defaultattr = 11; +unsigned int defaultattr = 11; /* * Internal mouse shortcuts. * Beware that overloading Button1 will disable the selection. */ -static MouseShortcut mshortcuts[] = { +MouseShortcut mshortcuts[] = { /* button mask string */ { Button4, XK_ANY_MOD, "\031" }, { Button5, XK_ANY_MOD, "\005" }, @@ -163,15 +163,15 @@ static MouseShortcut mshortcuts[] = { /* Internal keyboard shortcuts. */ #define MODKEY Mod1Mask -static Shortcut shortcuts[] = { +Shortcut shortcuts[] = { /* mask keysym function argument */ { XK_ANY_MOD, XK_Break, sendbreak, {.i = 0} }, { ControlMask, XK_Print, toggleprinter, {.i = 0} }, { ShiftMask, XK_Print, printscreen, {.i = 0} }, { XK_ANY_MOD, XK_Print, printsel, {.i = 0} }, - { MODKEY|ShiftMask, XK_Prior, xzoom, {.f = +1} }, - { MODKEY|ShiftMask, XK_Next, xzoom, {.f = -1} }, - { MODKEY|ShiftMask, XK_Home, xzoomreset, {.f = 0} }, + { MODKEY|ShiftMask, XK_Prior, zoom, {.f = +1} }, + { MODKEY|ShiftMask, XK_Next, zoom, {.f = -1} }, + { MODKEY|ShiftMask, XK_Home, zoomreset, {.f = 0} }, { ShiftMask, XK_Insert, selpaste, {.i = 0} }, { MODKEY|ShiftMask, XK_Insert, clippaste, {.i = 0} }, { MODKEY|ShiftMask, XK_C, clipcopy, {.i = 0} }, @@ -222,7 +222,7 @@ static uint ignoremod = Mod2Mask|XK_SWITCH_MOD; * 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; +uint forceselmod = ShiftMask; /* * This is the huge key array which defines all compatibility to the Linux @@ -451,7 +451,7 @@ static Key key[] = { * ButtonRelease and MotionNotify. * If no match is found, regular selection is used. */ -static uint selmasks[] = { +uint selmasks[] = { [SEL_RECTANGULAR] = Mod1Mask, }; @@ -459,7 +459,7 @@ static uint selmasks[] = { * Printable characters in ASCII, used to estimate the advance width * of single wide characters. */ -static char ascii_printable[] = +char ascii_printable[] = " !\"#$%&'()*+,-./0123456789:;<=>?" "@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_" "`abcdefghijklmnopqrstuvwxyz{|}~"; diff --git a/st.c b/st.c @@ -21,23 +21,21 @@ #include <time.h> #include <unistd.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> -#include "arg.h" +/* X11 */ +#include <X11/cursorfont.h> +#include <X11/Xft/Xft.h> char *argv0; #define Glyph Glyph_ #define Font Font_ +#include "win.h" +#include "st.h" + #if defined(__linux) #include <pty.h> #elif defined(__OpenBSD__) || defined(__NetBSD__) || defined(__APPLE__) @@ -46,67 +44,24 @@ char *argv0; #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 NUMMAXLEN(x) ((int)(sizeof(x) * 2.56 + 0.5) + 1) #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) /* constants */ #define ISO14755CMD "dmenu -w %lu -p codepoint: </dev/null" -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 @@ -118,34 +73,6 @@ enum cursor_state { 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_UTF8 = 1 << 21, - MODE_SIXEL = 1 << 22, - MODE_MOUSE = MODE_MOUSEBTN|MODE_MOUSEMOTION|MODE_MOUSEX10\ - |MODE_MOUSEMANY, -}; - enum charset { CS_GRAPHIC0, CS_GRAPHIC1, @@ -167,53 +94,6 @@ enum escape_state { ESC_DCS =128, }; -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 { @@ -235,56 +115,6 @@ typedef struct { int narg; /* nb of args */ } STREscape; -/* Internal representation of the screen */ -typedef struct { - int row; /* nb row */ - int col; /* nb col */ - Line *line; /* screen */ - Line *alt; /* alternate screen */ - 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; - -/* 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; @@ -295,89 +125,26 @@ typedef struct { 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 numlock(const Arg *); static void selpaste(const Arg *); -static void xzoom(const Arg *); -static void xzoomabs(const Arg *); -static void xzoomreset(const Arg *); +static void zoom(const Arg *); +static void zoomabs(const Arg *); +static void zoomreset(const Arg *); static void printsel(const Arg *); static void printscreen(const Arg *) ; static void iso14755(const Arg *); static void toggleprinter(const Arg *); static void sendbreak(const Arg *); -/* Config.h for applying patches and the configuration. */ +/* config.h for applying patches and the configuration. */ #include "config.h" -/* Font structure */ -typedef struct { - int height; - int width; - int ascent; - int descent; - int badslant; - int badweight; - 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 stty(void); static void sigchld(int); -static void run(void); static void csidump(void); static void csihandle(void); @@ -389,7 +156,6 @@ static void strhandle(void); static void strparse(void); static void strreset(void); -static int tattrset(int); static void tprinter(char *, size_t); static void tdumpsel(void); static void tdumpline(int); @@ -403,7 +169,6 @@ 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); @@ -415,8 +180,6 @@ 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); @@ -425,151 +188,53 @@ static void tdectest(char ); static void tdefutf8(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 xunloadfont(Font *); -static void xunloadfonts(void); -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 ssize_t xwrite(int, const char *, size_t); -static void *xmalloc(size_t); static void *xrealloc(void *, size_t); -static char *xstrdup(char *); - -static void usage(void); - -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; +TermWindow win; +Term term; +Selection sel; +int cmdfd; +pid_t pid; +char **opt_cmd = NULL; +char *opt_class = NULL; +char *opt_embed = NULL; +char *opt_font = NULL; +char *opt_io = NULL; +char *opt_line = NULL; +char *opt_name = NULL; +char *opt_title = NULL; +int oldbutton = 3; /* button event on startup: 3 = release */ + static CSIEscape csiescseq; static STREscape strescseq; -static int cmdfd; -static pid_t pid; -static Selection sel; static int iofd = 1; -static char **opt_cmd = NULL; -static char *opt_class = NULL; -static char *opt_embed = NULL; -static char *opt_font = NULL; -static char *opt_io = NULL; -static char *opt_line = NULL; -static char *opt_name = NULL; -static char *opt_title = NULL; -static int oldbutton = 3; /* button event on startup: 3 = release */ - -static char *usedfont = NULL; -static double usedfontsize = 0; -static double defaultfontsize = 0; + +char *usedfont = NULL; +double usedfontsize = 0; +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}; -/* 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; +/* config.h array lengths */ +size_t colornamelen = LEN(colorname); +size_t mshortcutslen = LEN(mshortcuts); +size_t shortcutslen = LEN(shortcuts); +size_t selmaskslen = LEN(selmasks); ssize_t xwrite(int fd, const char *s, size_t len) @@ -714,16 +379,13 @@ selinit(void) 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; + x /= win.cw; return LIMIT(x, 0, term.col-1); } @@ -732,7 +394,7 @@ int y2row(int y) { y -= borderpx; - y /= xw.ch; + y /= win.ch; return LIMIT(y, 0, term.row-1); } @@ -867,141 +529,6 @@ selsnap(int *x, int *y, int direction) } } -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) { @@ -1057,148 +584,25 @@ getsel(void) } 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); + xselpaste(); } 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); - } + xclipcopy(); } void clippaste(const Arg *dummy) { - Atom clipboard; - - clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0); - XConvertSelection(xw.dpy, clipboard, sel.xtarget, clipboard, - xw.win, CurrentTime); + xclippaste(); } void -selclear(XEvent *e) +selclear(void) { if (sel.ob.x == -1) return; @@ -1208,120 +612,6 @@ selclear(XEvent *e) } 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); -} - -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 == 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; @@ -1337,7 +627,6 @@ execsh(void) { char **args, *sh, *prog; const struct passwd *pw; - char buf[sizeof(long) * 8 + 1]; errno = 0; if ((pw = getpwuid(getuid())) == NULL) { @@ -1358,8 +647,6 @@ execsh(void) prog = sh; args = (opt_cmd) ? opt_cmd : (char *[]) {prog, NULL}; - snprintf(buf, sizeof(buf), "%lu", xw.win); - unsetenv("COLUMNS"); unsetenv("LINES"); unsetenv("TERMCAP"); @@ -1368,7 +655,7 @@ execsh(void) setenv("SHELL", sh, 1); setenv("HOME", pw->pw_dir, 1); setenv("TERM", termname, 1); - setenv("WINDOWID", buf, 1); + xsetenv(); signal(SIGCHLD, SIG_DFL); signal(SIGHUP, SIG_DFL); @@ -1606,8 +893,8 @@ ttyresize(void) w.ws_row = term.row; w.ws_col = term.col; - w.ws_xpixel = xw.tw; - w.ws_ypixel = xw.th; + w.ws_xpixel = win.tw; + w.ws_ypixel = win.th; if (ioctl(cmdfd, TIOCSWINSZ, &w) < 0) fprintf(stderr, "Couldn't set window size: %s\n", strerror(errno)); } @@ -1771,7 +1058,7 @@ selscroll(int orig, int n) 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); + selclear(); return; } if (sel.type == SEL_RECTANGULAR) { @@ -1917,7 +1204,7 @@ tclearregion(int x1, int y1, int x2, int y2) for (x = x1; x <= x2; x++) { gp = &term.line[y][x]; if (selected(x, y)) - selclear(NULL); + selclear(); gp->fg = term.c.attr.fg; gp->bg = term.c.attr.bg; gp->mode = 0; @@ -2368,7 +1655,7 @@ csihandle(void) tputtab(csiescseq.arg[0]); break; case 'J': /* ED -- Clear screen */ - selclear(NULL); + selclear(); switch (csiescseq.arg[0]) { case 0: /* below */ tclearregion(term.c.x, term.c.y, term.col-1, term.c.y); @@ -2475,7 +1762,7 @@ csihandle(void) if (!BETWEEN(csiescseq.arg[0], 0, 6)) { goto unknown; } - xw.cursor = csiescseq.arg[0]; + win.cursor = csiescseq.arg[0]; break; default: goto unknown; @@ -2642,12 +1929,13 @@ tprinter(char *s, size_t len) void iso14755(const Arg *arg) { - char cmd[sizeof(ISO14755CMD) + NUMMAXLEN(xw.win)]; + unsigned long id = xwinid(); + char cmd[sizeof(ISO14755CMD) + NUMMAXLEN(id)]; FILE *p; char *us, *e, codepoint[9], uc[UTF_SIZ]; unsigned long utf32; - snprintf(cmd, sizeof(cmd), ISO14755CMD, xw.win); + snprintf(cmd, sizeof(cmd), ISO14755CMD, id); if (!(p = popen(cmd, "r"))) return; @@ -2833,10 +2121,10 @@ tcontrolcode(uchar ascii) /* backwards compatibility to xterm */ strhandle(); } else { - if (!(xw.state & WIN_FOCUSED)) + if (!(win.state & WIN_FOCUSED)) xseturgency(1); if (bellvolume) - XkbBell(xw.dpy, xw.win, bellvolume, (Atom)NULL); + xbell(bellvolume); } break; case '\033': /* ESC */ @@ -2968,7 +2256,7 @@ eschandle(uchar ascii) break; case 'c': /* RIS -- Reset to inital state */ treset(); - xresettitle(); + resettitle(); xloadcols(); break; case '=': /* DECPAM -- Application keypad */ @@ -3109,7 +2397,7 @@ check_control_code: return; } if (sel.ob.x != -1 && BETWEEN(term.c.y, sel.ob.y, sel.oe.y)) - selclear(NULL); + selclear(); gp = &term.line[term.c.y][term.c.x]; if (IS_SET(MODE_WRAP) && (term.c.state & CURSOR_WRAPNEXT)) { @@ -3177,7 +2465,7 @@ tresize(int col, int row) } /* resize to new width */ - term.specbuf = xrealloc(term.specbuf, col * sizeof(XftGlyphFontSpec)); + term.specbuf = xrealloc(term.specbuf, col * sizeof(GlyphFontSpec)); /* resize to new height */ term.line = xrealloc(term.line, row * sizeof(Line)); @@ -3228,993 +2516,66 @@ tresize(int col, int row) } void -xresize(int col, int row) +zoom(const Arg *arg) { - 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); -} + Arg larg; -ushort -sixd_to_16bit(int x) -{ - return x == 0 ? 0 : 0x3737 + 0x2828 * x; + larg.f = usedfontsize + arg->f; + zoomabs(&larg); } -int -xloadcolor(int i, const char *name, Color *ncolor) +void +zoomabs(const Arg *arg) { - 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); + xunloadfonts(); + xloadfonts(usedfont, arg->f); + cresize(0, 0); + ttyresize(); + redraw(); + xhints(); } void -xloadcols(void) +zoomreset(const Arg *arg) { - int i; - static int loaded; - Color *cp; + Arg larg; - if (loaded) { - for (cp = dc.col; cp < &dc.col[LEN(dc.col)]; ++cp) - XftColorFree(xw.dpy, xw.vis, xw.cmap, cp); + if (defaultfontsize > 0) { + larg.f = defaultfontsize; + zoomabs(&larg); } - - 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) +resettitle(void) { - XftDrawRect(xw.draw, - &dc.col[IS_SET(MODE_REVERSE)? defaultfg : defaultbg], - x1, y1, x2-x1, y2-y1); + xsettitle(opt_title ? opt_title : "st"); } void -xhints(void) +redraw(void) { - XClassHint class = {opt_name ? opt_name : termname, - opt_class ? opt_class : 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); + tfulldirt(); + draw(); } int -xgeommasktogravity(int mask) +match(uint mask, uint state) { - switch (mask & (XNegative|YNegative)) { - case 0: - return NorthWestGravity; - case XNegative: - return NorthEastGravity; - case YNegative: - return SouthWestGravity; - } - - return SouthEastGravity; + return mask == XK_ANY_MOD || mask == (state & ~ignoremod); } -int -xloadfont(Font *f, FcPattern *pattern) +void +numlock(const Arg *dummy) { - FcPattern *configured; - FcPattern *match; - FcResult result; - XGlyphInfo extents; - int wantattr, haveattr; + term.numlock ^= 1; +} - /* - * Manually configure instead of calling XftMatchFont - * so that we can use the configured pattern for - * "missing glyph" lookups. - */ - configured = FcPatternDuplicate(pattern); - if (!configured) - return 1; - - FcConfigSubstitute(NULL, configured, FcMatchPattern); - XftDefaultSubstitute(xw.dpy, xw.scr, configured); - - match = FcFontMatch(NULL, configured, &result); - if (!match) { - FcPatternDestroy(configured); - return 1; - } - - if (!(f->match = XftFontOpenPattern(xw.dpy, match))) { - FcPatternDestroy(configured); - FcPatternDestroy(match); - return 1; - } - - if ((XftPatternGetInteger(pattern, "slant", 0, &wantattr) == - XftResultMatch)) { - /* - * Check if xft was unable to find a font with the appropriate - * slant but gave us one anyway. Try to mitigate. - */ - if ((XftPatternGetInteger(f->match->pattern, "slant", 0, - &haveattr) != XftResultMatch) || haveattr < wantattr) { - f->badslant = 1; - fputs("st: font slant does not match\n", stderr); - } - } - - if ((XftPatternGetInteger(pattern, "weight", 0, &wantattr) == - XftResultMatch)) { - if ((XftPatternGetInteger(f->match->pattern, "weight", 0, - &haveattr) != XftResultMatch) || haveattr != wantattr) { - f->badweight = 1; - fputs("st: font weight does not match\n", stderr); - } - } - - XftTextExtentsUtf8(xw.dpy, f->match, - (const FcChar8 *) ascii_printable, - strlen(ascii_printable), &extents); - - f->set = NULL; - f->pattern = configured; - - 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 -xunloadfont(Font *f) -{ - XftFontClose(xw.dpy, f->match); - FcPatternDestroy(f->pattern); - if (f->set) - FcFontSetDestroy(f->set); -} - -void -xunloadfonts(void) -{ - /* Free the loaded fonts in the font cache. */ - while (frclen > 0) - XftFontClose(xw.dpy, frc[--frclen].font); - - xunloadfont(&dc.font); - xunloadfont(&dc.bfont); - xunloadfont(&dc.ifont); - xunloadfont(&dc.ibfont); -} - -void -xzoom(const Arg *arg) -{ - Arg larg; - - larg.f = usedfontsize + arg->f; - xzoomabs(&larg); -} - -void -xzoomabs(const Arg *arg) -{ - xunloadfonts(); - xloadfonts(usedfont, arg->f); - cresize(0, 0); - ttyresize(); - redraw(); - xhints(); -} - -void -xzoomreset(const Arg *arg) -{ - Arg larg; - - if (defaultfontsize > 0) { - larg.f = defaultfontsize; - xzoomabs(&larg); - } -} - -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 = (opt_font == NULL)? font : opt_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; - - if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0)))) - 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; - - /* Fallback on color display for attributes not supported by the font */ - if (base.mode & ATTR_ITALIC && base.mode & ATTR_BOLD) { - if (dc.ibfont.badslant || dc.ibfont.badweight) - base.fg = defaultattr; - } else if ((base.mode & ATTR_ITALIC && dc.ifont.badslant) || - (base.mode & ATTR_BOLD && dc.bfont.badweight)) { - base.fg = defaultattr; - } - - 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 + 8]; - - 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 7: /* st extension: snowman */ - utf8decode("☃", &g.u, UTF_SIZ); - 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(opt_title ? opt_title : "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, &term.line[y][x1], x2 - x1, x1, y); - - i = ox = 0; - for (x = x1; x < x2 && i < numspecs; x++) { - new = term.line[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); - } - 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; +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++) { @@ -4251,211 +2612,23 @@ kmap(KeySym k, uint state) } 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; + win.w = width; if (height != 0) - xw.h = height; + win.h = height; - col = (xw.w - 2 * borderpx) / xw.cw; - row = (xw.h - 2 * borderpx) / xw.ch; + col = (win.w - 2 * borderpx) / win.cw; + row = (win.h - 2 * borderpx) / win.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; - } - } - } - } -} - -void usage(void) { die("usage: %s [-aiv] [-c class] [-f font] [-g geometry]" @@ -4467,72 +2640,3 @@ usage(void) " [-T title] [-t title] [-w windowid] -l line" " [stty_args ...]\n", argv0, argv0); } - -int -main(int argc, char *argv[]) -{ - xw.l = xw.t = 0; - xw.isfixed = False; - xw.cursor = cursorshape; - - ARGBEGIN { - case 'a': - allowaltscreen = 0; - break; - case 'c': - opt_class = EARGF(usage()); - break; - case 'e': - if (argc > 0) - --argc, ++argv; - goto run; - case 'f': - opt_font = EARGF(usage()); - break; - case 'g': - xw.gm = XParseGeometry(EARGF(usage()), - &xw.l, &xw.t, &cols, &rows); - break; - case 'i': - xw.isfixed = 1; - break; - case 'o': - opt_io = EARGF(usage()); - break; - case 'l': - opt_line = EARGF(usage()); - break; - case 'n': - opt_name = EARGF(usage()); - break; - case 't': - case 'T': - opt_title = EARGF(usage()); - break; - case 'w': - opt_embed = EARGF(usage()); - break; - case 'v': - die("%s " VERSION " (c) 2010-2016 st engineers\n", argv0); - break; - default: - usage(); - } ARGEND; - -run: - if (argc > 0) { - /* eat all remaining arguments */ - opt_cmd = argv; - if (!opt_title && !opt_line) - opt_title = basename(xstrdup(argv[0])); - } - setlocale(LC_CTYPE, ""); - XSetLocaleModifiers(""); - tnew(MAX(cols, 1), MAX(rows, 1)); - xinit(); - selinit(); - run(); - - return 0; -} - diff --git a/st.h b/st.h @@ -0,0 +1,272 @@ +/* See LICENSE for license details. */ + +/* Arbitrary sizes */ +#define UTF_SIZ 4 + +/* 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 BETWEEN(x, a, b) ((a) <= (x) && (x) <= (b)) +#define DIVCEIL(n, d) (((n) + ((d) - 1)) / (d)) +#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)) + +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 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_UTF8 = 1 << 21, + MODE_SIXEL = 1 << 22, + MODE_MOUSE = MODE_MOUSEBTN|MODE_MOUSEMOTION|MODE_MOUSEX10\ + |MODE_MOUSEMANY, +}; + +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 +}; + +enum window_state { + WIN_VISIBLE = 1, + WIN_FOCUSED = 2 +}; + +typedef unsigned char uchar; +typedef unsigned int uint; +typedef unsigned long ulong; +typedef unsigned short ushort; + +typedef uint_least32_t Rune; + +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; + +/* Internal representation of the screen */ +typedef struct { + int row; /* nb row */ + int col; /* nb col */ + Line *line; /* screen */ + Line *alt; /* alternate screen */ + int *dirty; /* dirtyness of lines */ + GlyphFontSpec *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; + +/* Purely graphic info */ +typedef struct { + 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 */ +} TermWindow; + +typedef struct { + uint b; + uint mask; + char *s; +} MouseShortcut; + +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; + int alt; + struct timespec tclick1; + struct timespec tclick2; + + //Atom xtarget; +} 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; + +void die(const char *, ...); +void redraw(void); + +int tattrset(int); +void tnew(int, int); +void tsetdirt(int, int); +void tsetdirtattr(int); +int match(uint, uint); +void ttynew(void); +size_t ttyread(void); +void ttyresize(void); +void ttysend(char *, size_t); +void ttywrite(const char *, size_t); + +void resettitle(void); + +char *kmap(KeySym, uint); +void cresize(int, int); +void selclear(void); + +void selinit(void); +void selnormalize(void); +int selected(int, int); +char *getsel(void); +int x2col(int); +int y2row(int); + +size_t utf8decode(char *, Rune *, size_t); +size_t utf8encode(Rune, char *); + +void *xmalloc(size_t); +char *xstrdup(char *); + +void usage(void); + +/* Globals */ +extern TermWindow win; +extern Term term; +extern Selection sel; +extern int cmdfd; +extern pid_t pid; +extern char **opt_cmd; +extern char *opt_class; +extern char *opt_embed; +extern char *opt_font; +extern char *opt_io; +extern char *opt_line; +extern char *opt_name; +extern char *opt_title; +extern int oldbutton; + +extern char *usedfont; +extern double usedfontsize; +extern double defaultfontsize; + +/* config.h globals */ +extern char font[]; +extern int borderpx; +extern float cwscale; +extern float chscale; +extern unsigned int doubleclicktimeout; +extern unsigned int tripleclicktimeout; +extern int allowaltscreen; +extern unsigned int xfps; +extern unsigned int actionfps; +extern unsigned int cursorthickness; +extern unsigned int blinktimeout; +extern char termname[]; +extern const char *colorname[]; +extern size_t colornamelen; +extern unsigned int defaultfg; +extern unsigned int defaultbg; +extern unsigned int defaultcs; +extern unsigned int defaultrcs; +extern unsigned int cursorshape; +extern unsigned int cols; +extern unsigned int rows; +extern unsigned int mouseshape; +extern unsigned int mousefg; +extern unsigned int mousebg; +extern unsigned int defaultattr; +extern MouseShortcut mshortcuts[]; +extern size_t mshortcutslen; +extern Shortcut shortcuts[]; +extern size_t shortcutslen; +extern uint forceselmod; +extern uint selmasks[]; +extern size_t selmaskslen; +extern char ascii_printable[]; diff --git a/win.h b/win.h @@ -0,0 +1,29 @@ +/* See LICENSE for license details. */ + +/* X modifiers */ +#define XK_ANY_MOD UINT_MAX +#define XK_NO_MOD 0 +#define XK_SWITCH_MOD (1<<13) + +typedef XftGlyphFontSpec GlyphFontSpec; + +void draw(void); +void drawregion(int, int, int, int); +void run(void); + +void xbell(int); +void xclipcopy(void); +void xclippaste(void); +void xhints(void); +void xinit(void); +void xloadcols(void); +int xsetcolorname(int, const char *); +void xloadfonts(char *, double); +void xsetenv(void); +void xsettitle(char *); +void xsetpointermotion(int); +void xseturgency(int); +void xunloadfonts(void); +void xresize(int, int); +void xselpaste(void); +unsigned long xwinid(void); diff --git a/x.c b/x.c @@ -0,0 +1,1766 @@ +/* See LICENSE for license details. */ +#include <errno.h> +#include <locale.h> +#include <signal.h> +#include <stdint.h> +#include <sys/select.h> +#include <time.h> +#include <unistd.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 "arg.h" + +#define Glyph Glyph_ +#define Font Font_ + +#include "win.h" +#include "st.h" + +/* XEMBED messages */ +#define XEMBED_FOCUS_IN 4 +#define XEMBED_FOCUS_OUT 5 + +/* macros */ +#define TRUERED(x) (((x) & 0xff0000) >> 8) +#define TRUEGREEN(x) (((x) & 0xff00)) +#define TRUEBLUE(x) (((x) & 0xff) << 8) + +typedef XftDraw *Draw; +typedef XftColor Color; + +/* 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 */ +} XWindow; + +typedef struct { + Atom xtarget; +} XSelection; + +/* Font structure */ +typedef struct { + int height; + int width; + int ascent; + int descent; + int badslant; + int badweight; + short lbearing; + short rbearing; + XftFont *match; + FcFontSet *set; + FcPattern *pattern; +} Font; + +/* Drawing Context */ +typedef struct { + Color *col; + size_t collen; + Font font, bfont, ifont, ibfont; + GC gc; +} DC; + +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 xclear(int, int, int, int); +static void xdrawcursor(void); +static int xgeommasktogravity(int); +static int xloadfont(Font *, FcPattern *); +static void xsetsel(char *, Time); +static void xunloadfont(Font *); + +static void expose(XEvent *); +static void visibility(XEvent *); +static void unmap(XEvent *); +static void kpress(XEvent *); +static void cmessage(XEvent *); +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 selcopy(Time); +static void getbuttoninfo(XEvent *); +static void mousereport(XEvent *); + +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 XSelection xsel; + +/* 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 +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 < selmaskslen; ++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 + mshortcutslen; 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; + } +} + +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 +xselpaste(void) +{ + XConvertSelection(xw.dpy, XA_PRIMARY, xsel.xtarget, XA_PRIMARY, + xw.win, CurrentTime); +} + +void +xclipcopy(void) +{ + 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 +xclippaste(void) +{ + Atom clipboard; + + clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0); + XConvertSelection(xw.dpy, clipboard, xsel.xtarget, clipboard, + xw.win, CurrentTime); +} + +void +selclear_(XEvent *e) +{ + selclear(); +} + +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 = xsel.xtarget; + XChangeProperty(xsre->display, xsre->requestor, xsre->property, + XA_ATOM, 32, PropModeReplace, + (uchar *) &string, 1); + xev.property = xsre->property; + } else if (xsre->target == xsel.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_(NULL); +} + +void +brelease(XEvent *e) +{ + if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) { + mousereport(e); + return; + } + + if (e->xbutton.button == Button2) { + xselpaste(); + } 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 +xresize(int col, int row) +{ + win.tw = MAX(1, col * win.cw); + win.th = MAX(1, row * win.ch); + + XFreePixmap(xw.dpy, xw.buf); + xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h, + DefaultDepth(xw.dpy, xw.scr)); + XftDrawChange(xw.draw, xw.buf); + xclear(0, 0, win.w, win.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; + + dc.collen = MAX(colornamelen, 256); + dc.col = xmalloc(dc.collen * sizeof(Color)); + + if (loaded) { + for (cp = dc.col; cp < &dc.col[dc.collen]; ++cp) + XftColorFree(xw.dpy, xw.vis, xw.cmap, cp); + } + + for (i = 0; i < dc.collen; 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, dc.collen)) + 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 = {opt_name ? opt_name : termname, + opt_class ? opt_class : termname}; + XWMHints wm = {.flags = InputHint, .input = 1}; + XSizeHints *sizeh = NULL; + + sizeh = XAllocSizeHints(); + + sizeh->flags = PSize | PResizeInc | PBaseSize; + sizeh->height = win.h; + sizeh->width = win.w; + sizeh->height_inc = win.ch; + sizeh->width_inc = win.cw; + sizeh->base_height = 2 * borderpx; + sizeh->base_width = 2 * borderpx; + if (xw.isfixed) { + sizeh->flags |= PMaxSize | PMinSize; + sizeh->min_width = sizeh->max_width = win.w; + sizeh->min_height = sizeh->max_height = win.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 *configured; + FcPattern *match; + FcResult result; + XGlyphInfo extents; + int wantattr, haveattr; + + /* + * Manually configure instead of calling XftMatchFont + * so that we can use the configured pattern for + * "missing glyph" lookups. + */ + configured = FcPatternDuplicate(pattern); + if (!configured) + return 1; + + FcConfigSubstitute(NULL, configured, FcMatchPattern); + XftDefaultSubstitute(xw.dpy, xw.scr, configured); + + match = FcFontMatch(NULL, configured, &result); + if (!match) { + FcPatternDestroy(configured); + return 1; + } + + if (!(f->match = XftFontOpenPattern(xw.dpy, match))) { + FcPatternDestroy(configured); + FcPatternDestroy(match); + return 1; + } + + if ((XftPatternGetInteger(pattern, "slant", 0, &wantattr) == + XftResultMatch)) { + /* + * Check if xft was unable to find a font with the appropriate + * slant but gave us one anyway. Try to mitigate. + */ + if ((XftPatternGetInteger(f->match->pattern, "slant", 0, + &haveattr) != XftResultMatch) || haveattr < wantattr) { + f->badslant = 1; + fputs("st: font slant does not match\n", stderr); + } + } + + if ((XftPatternGetInteger(pattern, "weight", 0, &wantattr) == + XftResultMatch)) { + if ((XftPatternGetInteger(f->match->pattern, "weight", 0, + &haveattr) != XftResultMatch) || haveattr != wantattr) { + f->badweight = 1; + fputs("st: font weight does not match\n", stderr); + } + } + + XftTextExtentsUtf8(xw.dpy, f->match, + (const FcChar8 *) ascii_printable, + strlen(ascii_printable), &extents); + + f->set = NULL; + f->pattern = configured; + + 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. */ + win.cw = ceilf(dc.font.width * cwscale); + win.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 +xunloadfont(Font *f) +{ + XftFontClose(xw.dpy, f->match); + FcPatternDestroy(f->pattern); + if (f->set) + FcFontSetDestroy(f->set); +} + +void +xunloadfonts(void) +{ + /* Free the loaded fonts in the font cache. */ + while (frclen > 0) + XftFontClose(xw.dpy, frc[--frclen].font); + + xunloadfont(&dc.font); + xunloadfont(&dc.bfont); + xunloadfont(&dc.ifont); + xunloadfont(&dc.ibfont); +} + +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 = (opt_font == NULL)? font : opt_font; + xloadfonts(usedfont, 0); + + /* colors */ + xw.cmap = XDefaultColormap(xw.dpy, xw.scr); + xloadcols(); + + /* adjust fixed window geometry */ + win.w = 2 * borderpx + term.col * win.cw; + win.h = 2 * borderpx + term.row * win.ch; + if (xw.gm & XNegative) + xw.l += DisplayWidth(xw.dpy, xw.scr) - win.w - 2; + if (xw.gm & YNegative) + xw.t += DisplayHeight(xw.dpy, xw.scr) - win.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; + + if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0)))) + parent = XRootWindow(xw.dpy, xw.scr); + xw.win = XCreateWindow(xw.dpy, parent, xw.l, xw.t, + win.w, win.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, win.w, win.h, + DefaultDepth(xw.dpy, xw.scr)); + XSetForeground(xw.dpy, dc.gc, dc.col[defaultbg].pixel); + XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, win.w, win.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); + + resettitle(); + XMapWindow(xw.dpy, xw.win); + xhints(); + XSync(xw.dpy, False); + + xsel.xtarget = XInternAtom(xw.dpy, "UTF8_STRING", 0); + if (xsel.xtarget == None) + xsel.xtarget = XA_STRING; +} + +int +xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x, int y) +{ + float winx = borderpx + x * win.cw, winy = borderpx + y * win.ch, xp, yp; + ushort mode, prevmode = USHRT_MAX; + Font *font = &dc.font; + int frcflags = FRC_NORMAL; + float runewidth = win.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 = win.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 * win.cw, winy = borderpx + y * win.ch, + width = charlen * win.cw; + Color *fg, *bg, *temp, revfg, revbg, truefg, truebg; + XRenderColor colfg, colbg; + XRectangle r; + + /* Fallback on color display for attributes not supported by the font */ + if (base.mode & ATTR_ITALIC && base.mode & ATTR_BOLD) { + if (dc.ibfont.badslant || dc.ibfont.badweight) + base.fg = defaultattr; + } else if ((base.mode & ATTR_ITALIC && dc.ifont.badslant) || + (base.mode & ATTR_BOLD && dc.bfont.badweight)) { + base.fg = defaultattr; + } + + 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 + 8]; + + 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 + win.ch + ((y >= term.row-1)? win.h : 0)); + } + if (x + charlen >= term.col) { + xclear(winx + width, (y == 0)? 0 : winy, win.w, + ((y >= term.row-1)? win.h : (winy + win.ch))); + } + if (y == 0) + xclear(winx, 0, winx + width, borderpx); + if (y == term.row-1) + xclear(winx, winy + win.ch, winx + width, win.h); + + /* Clean up the region we want to draw to. */ + XftDrawRect(xw.draw, bg, winx, winy, width, win.ch); + + /* Set the clip region because Xft is sometimes dirty. */ + r.x = 0; + r.y = 0; + r.height = win.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 (win.state & WIN_FOCUSED) { + switch (win.cursor) { + case 7: /* st extension: snowman */ + utf8decode("☃", &g.u, UTF_SIZ); + 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 * win.cw, + borderpx + (term.c.y + 1) * win.ch - \ + cursorthickness, + win.cw, cursorthickness); + break; + case 5: /* Blinking bar */ + case 6: /* Steady bar */ + XftDrawRect(xw.draw, &drawcol, + borderpx + curx * win.cw, + borderpx + term.c.y * win.ch, + cursorthickness, win.ch); + break; + } + } else { + XftDrawRect(xw.draw, &drawcol, + borderpx + curx * win.cw, + borderpx + term.c.y * win.ch, + win.cw - 1, 1); + XftDrawRect(xw.draw, &drawcol, + borderpx + curx * win.cw, + borderpx + term.c.y * win.ch, + 1, win.ch - 1); + XftDrawRect(xw.draw, &drawcol, + borderpx + (curx + 1) * win.cw - 1, + borderpx + term.c.y * win.ch, + 1, win.ch - 1); + XftDrawRect(xw.draw, &drawcol, + borderpx + curx * win.cw, + borderpx + (term.c.y + 1) * win.ch - 1, + win.cw, 1); + } + oldx = curx, oldy = term.c.y; +} + +void +xsetenv(void) +{ + char buf[sizeof(long) * 8 + 1]; + + snprintf(buf, sizeof(buf), "%lu", xw.win); + setenv("WINDOWID", buf, 1); +} + +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 +draw(void) +{ + drawregion(0, 0, term.col, term.row); + XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, 0, 0, win.w, + win.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 (!(win.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, &term.line[y][x1], x2 - x1, x1, y); + + i = ox = 0; + for (x = x1; x < x2 && i < numspecs; x++) { + new = term.line[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); + } + xdrawcursor(); +} + +void +expose(XEvent *ev) +{ + redraw(); +} + +void +visibility(XEvent *ev) +{ + XVisibilityEvent *e = &ev->xvisibility; + + MODBIT(win.state, e->state != VisibilityFullyObscured, WIN_VISIBLE); +} + +void +unmap(XEvent *ev) +{ + win.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 +xbell(int vol) +{ + XkbBell(xw.dpy, xw.win, vol, (Atom)NULL); +} + +unsigned long +xwinid(void) +{ + return xw.win; +} + +void +focus(XEvent *ev) +{ + XFocusChangeEvent *e = &ev->xfocus; + + if (e->mode == NotifyGrab) + return; + + if (ev->type == FocusIn) { + XSetICFocus(xw.xic); + win.state |= WIN_FOCUSED; + xseturgency(0); + if (IS_SET(MODE_FOCUS)) + ttywrite("\033[I", 3); + } else { + XUnsetICFocus(xw.xic); + win.state &= ~WIN_FOCUSED; + if (IS_SET(MODE_FOCUS)) + ttywrite("\033[O", 3); + } +} + +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 + shortcutslen; 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) { + win.state |= WIN_FOCUSED; + xseturgency(0); + } else if (e->xclient.data.l[1] == XEMBED_FOCUS_OUT) { + win.state &= ~WIN_FOCUSED; + } + } else if (e->xclient.data.l[0] == xw.wmdeletewin) { + /* Send SIGHUP to shell */ + kill(pid, SIGHUP); + exit(0); + } +} + +void +resize(XEvent *e) +{ + if (e->xconfigure.width == win.w && e->xconfigure.height == win.h) + return; + + cresize(e->xconfigure.width, e->xconfigure.height); + ttyresize(); +} + +void +run(void) +{ + XEvent ev; + int w = win.w, h = win.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(int argc, char *argv[]) +{ + xw.l = xw.t = 0; + xw.isfixed = False; + win.cursor = cursorshape; + + ARGBEGIN { + case 'a': + allowaltscreen = 0; + break; + case 'c': + opt_class = EARGF(usage()); + break; + case 'e': + if (argc > 0) + --argc, ++argv; + goto run; + case 'f': + opt_font = EARGF(usage()); + break; + case 'g': + xw.gm = XParseGeometry(EARGF(usage()), + &xw.l, &xw.t, &cols, &rows); + break; + case 'i': + xw.isfixed = 1; + break; + case 'o': + opt_io = EARGF(usage()); + break; + case 'l': + opt_line = EARGF(usage()); + break; + case 'n': + opt_name = EARGF(usage()); + break; + case 't': + case 'T': + opt_title = EARGF(usage()); + break; + case 'w': + opt_embed = EARGF(usage()); + break; + case 'v': + die("%s " VERSION " (c) 2010-2016 st engineers\n", argv0); + break; + default: + usage(); + } ARGEND; + +run: + if (argc > 0) { + /* eat all remaining arguments */ + opt_cmd = argv; + if (!opt_title && !opt_line) + opt_title = basename(xstrdup(argv[0])); + } + setlocale(LC_CTYPE, ""); + XSetLocaleModifiers(""); + tnew(MAX(cols, 1), MAX(rows, 1)); + xinit(); + selinit(); + run(); + + return 0; +}