commit: 937005f3e97f29bc27dc82ef744cdd849397cb7a
parent: 535efe23ffc73f7d36a8d19293c90353002077f9
author: Chris Noxz <chris@noxz.tech>
date: Wed, 11 Nov 2020 14:24:42 +0100
update base to 0.8.4 and replace vt-colors with xresources
10 files changed, 617 insertions(+), 342 deletions(-)
diff --git a/FAQ b/FAQ
@@ -1,6 +1,7 @@
## Why does st not handle utmp entries?
-Use the excellent tool of [utmp](http://git.suckless.org/utmp/) for this task.
+Use the excellent tool of [utmp](https://git.suckless.org/utmp/) for this task.
+
## Some _random program_ complains that st is unknown/not recognised/unsupported/whatever!
@@ -8,6 +9,7 @@ It means that st doesn’t have any terminfo entry on your system. Chances are
you did not `make install`. If you just want to test it without installing it,
you can manually run `tic -sx st.info`.
+
## Nothing works, and nothing is said about an unknown terminal!
* Some programs just assume they’re running in xterm i.e. they don’t rely on
@@ -15,19 +17,21 @@ you can manually run `tic -sx st.info`.
* Some programs don’t complain about the lacking st description and default to
another terminal. In that case see the question about terminfo.
-## I get some weird glitches/visual bug on _random program_!
-
-Try launching it with a different TERM: $ TERM=xterm myapp. toe(1) will give
-you a list of available terminals, but you’ll most likely switch between xterm,
-st or st-256color. The default value for TERM can be changed in config.h
-(TNAME).
## How do I scroll back up?
-Using a terminal multiplexer.
+* Using a terminal multiplexer.
+ * `st -e tmux` using C-b [
+ * `st -e screen` using C-a ESC
+* Using the excellent tool of [scroll](https://git.suckless.org/scroll/).
+* Using the scrollback [patch](https://st.suckless.org/patches/scrollback/).
+
+
+## I would like to have utmp and/or scroll functionality by default
+
+You can add the absolute patch of both programs in your config.h
+file. You only have to modify the value of utmp and scroll variables.
-* `st -e tmux` using C-b [
-* `st -e screen` using C-a ESC
## Why doesn't the Del key work in some programs?
@@ -84,12 +88,14 @@ If you are using zsh, then read the zsh FAQ
Putting these lines into your .zshrc will fix the problems.
+
## How can I use meta in 8bit mode?
St supports meta in 8bit mode, but the default terminfo entry doesn't
use this capability. If you want it, you have to use the 'st-meta' value
in TERM.
+
## I cannot compile st in OpenBSD
OpenBSD lacks librt, despite it being mandatory in POSIX
@@ -98,13 +104,14 @@ If you want to compile st for OpenBSD you have to remove -lrt from config.mk, an
st will compile without any loss of functionality, because all the functions are
included in libc on this platform.
+
## The Backspace Case
St is emulating the Linux way of handling backspace being delete and delete being
backspace.
This is an issue that was discussed in suckless mailing list
-<http://lists.suckless.org/dev/1404/20697.html>. Here is why some old grumpy
+<https://lists.suckless.org/dev/1404/20697.html>. Here is why some old grumpy
terminal users wants its backspace to be how he feels it:
Well, I am going to comment why I want to change the behaviour
@@ -159,9 +166,85 @@ terminal users wants its backspace to be how he feels it:
[1] http://www.ibb.net/~anne/keyboard.html
[2] http://www.tldp.org/HOWTO/Keyboard-and-Console-HOWTO-5.html
+
## But I really want the old grumpy behaviour of my terminal
Apply [1].
-[1] http://st.suckless.org/patches/delkey
-
+[1] https://st.suckless.org/patches/delkey
+
+
+## Why do images not work in st using the w3m image hack?
+
+w3mimg uses a hack that draws an image on top of the terminal emulator Drawable
+window. The hack relies on the terminal to use a single buffer to draw its
+contents directly.
+
+st uses double-buffered drawing so the image is quickly replaced and may show a
+short flicker effect.
+
+Below is a patch example to change st double-buffering to a single Drawable
+buffer.
+
+diff --git a/x.c b/x.c
+--- a/x.c
++++ b/x.c
+@@ -732,10 +732,6 @@ xresize(int col, int row)
+ win.tw = col * win.cw;
+ win.th = 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);
+
+ /* resize to new width */
+@@ -1148,8 +1144,7 @@ xinit(int cols, int rows)
+ 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));
++ xw.buf = xw.win;
+ XSetForeground(xw.dpy, dc.gc, dc.col[defaultbg].pixel);
+ XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, win.w, win.h);
+
+@@ -1632,8 +1627,6 @@ xdrawline(Line line, int x1, int y1, int x2)
+ void
+ xfinishdraw(void)
+ {
+- 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);
+
+
+## BadLength X error in Xft when trying to render emoji
+
+Xft makes st crash when rendering color emojis with the following error:
+
+"X Error of failed request: BadLength (poly request too large or internal Xlib length error)"
+ Major opcode of failed request: 139 (RENDER)
+ Minor opcode of failed request: 20 (RenderAddGlyphs)
+ Serial number of failed request: 1595
+ Current serial number in output stream: 1818"
+
+This is a known bug in Xft (not st) which happens on some platforms and
+combination of particular fonts and fontconfig settings.
+
+See also:
+https://gitlab.freedesktop.org/xorg/lib/libxft/issues/6
+https://bugs.freedesktop.org/show_bug.cgi?id=107534
+https://bugzilla.redhat.com/show_bug.cgi?id=1498269
+
+The solution is to remove color emoji fonts or disable this in the fontconfig
+XML configuration. As an ugly workaround (which may work only on newer
+fontconfig versions (FC_COLOR)), the following code can be used to mask color
+fonts:
+
+ FcPatternAddBool(fcpattern, FC_COLOR, FcFalse);
+
+Please don't bother reporting this bug to st, but notify the upstream Xft
+developers about fixing this bug.
diff --git a/LICENSE b/LICENSE
@@ -1,6 +1,6 @@
MIT/X Consortium License
-© 2014-2018 Hiltjo Posthuma <hiltjo at codemadness dot org>
+© 2014-2020 Hiltjo Posthuma <hiltjo at codemadness dot org>
© 2018 Devin J. Pohly <djpohly at gmail dot com>
© 2014-2017 Quentin Rameau <quinq at fifth dot space>
© 2009-2012 Aurélien APTEL <aurelien dot aptel at gmail dot com>
diff --git a/config.def.h b/config.def.h
@@ -14,13 +14,15 @@ static int borderpx = 2;
/*
* What program is execed by st depends of these precedence rules:
* 1: program passed with -e
- * 2: utmp option
+ * 2: scroll and/or utmp
* 3: SHELL environment variable
* 4: value of shell in /etc/passwd
* 5: value of shell in config.h
*/
static char *shell = "/bin/sh";
char *utmp = NULL;
+/* scroll program: to enable use a string like "scroll" */
+char *scroll = NULL;
char *stty_args = "stty raw pass8 nl -echo -iexten -cstopb 38400";
/* identification sequence returned in DA and DECID */
@@ -28,14 +30,14 @@ char *vtiden = "\033[?6c";
/* Kerning / character bounding-box multipliers */
static float cwscale = 1.0;
-static float chscale = 1.1;
+static float chscale = 1.0;
/*
* word delimiter string
*
- * More advanced example: " `'\"()[]{}"
+ * More advanced example: L" `'\"()[]{}"
*/
-char *worddelimiters = " ";
+wchar_t *worddelimiters = L" ";
/* selection timeouts (in milliseconds) */
static unsigned int doubleclicktimeout = 300;
@@ -44,9 +46,18 @@ static unsigned int tripleclicktimeout = 600;
/* alt screens */
int allowaltscreen = 1;
-/* frames per second st should at maximum draw to the screen */
-static unsigned int xfps = 120;
-static unsigned int actionfps = 30;
+/* allow certain non-interactive (insecure) window operations such as:
+ setting the clipboard text */
+int allowwindowops = 0;
+
+/*
+ * draw latency range in ms - from new content/keypress/etc until drawing.
+ * within this range, st draws when content stops arriving (idle). mostly it's
+ * near minlatency, but it waits longer for slow updates to avoid partial draw.
+ * low minlatency will tear/flicker more, as it can "detect" idle too early.
+ */
+static double minlatency = 8;
+static double maxlatency = 33;
/*
* blinking timeout (set to 0 to disable blinking) for the terminal blinking
@@ -98,24 +109,34 @@ char *termname = "st-256color";
unsigned int tabspaces = 8;
/* Terminal colors (16 first used in escape sequence) */
-static char colorname[][8] = {
- "#000000",
- "#000000",
- "#000000",
- "#000000",
- "#000000",
- "#000000",
- "#000000",
- "#000000",
- "#000000",
- "#000000",
- "#000000",
- "#000000",
- "#000000",
- "#000000",
+static const char *colorname[] = {
+ /* 8 normal colors */
+ "black",
+ "red3",
+ "green3",
+ "yellow3",
+ "blue2",
+ "magenta3",
+ "cyan3",
+ "gray90",
+
+ /* 8 bright colors */
+ "gray50",
+ "red",
+ "green",
+ "yellow",
+ "#5c5cff",
+ "magenta",
+ "cyan",
+ "white",
+
+ [255] = 0,
+
+ /* more colors can be added after 255 to use with DefaultXX */
"#000000",
+ "#ffffff",
+ "#ffffff",
"#000000",
- [255] = 0,
};
@@ -123,10 +144,10 @@ static char colorname[][8] = {
* Default colors (colorname index)
* foreground, background, cursor, reverse cursor
*/
-unsigned int defaultbg = 0;
-unsigned int defaultfg = 7;
-unsigned int defaultcs = 7;
-unsigned int defaultrcs = 0;
+unsigned int defaultbg = 256;
+unsigned int defaultfg = 257;
+static unsigned int defaultcs = 258;
+static unsigned int defaultrcs = 259;
/*
* Default shape of cursor
@@ -157,14 +178,61 @@ static unsigned int mousebg = 0;
*/
static unsigned int defaultattr = 11;
+/*
+ * Force mouse select/shortcuts while mask is active (when MODE_MOUSE is set).
+ * Note that if you want to use ShiftMask with selmasks, set this to an other
+ * modifier, set to 0 to not use it.
+ */
+static uint forcemousemod = ShiftMask;
+
+/*
+ * Xresources preferences to load at startup
+ */
+ResourcePref resources[] = {
+ { "font", STRING, &font },
+ { "color0", STRING, &colorname[0] },
+ { "color1", STRING, &colorname[1] },
+ { "color2", STRING, &colorname[2] },
+ { "color3", STRING, &colorname[3] },
+ { "color4", STRING, &colorname[4] },
+ { "color5", STRING, &colorname[5] },
+ { "color6", STRING, &colorname[6] },
+ { "color7", STRING, &colorname[7] },
+ { "color8", STRING, &colorname[8] },
+ { "color9", STRING, &colorname[9] },
+ { "color10", STRING, &colorname[10] },
+ { "color11", STRING, &colorname[11] },
+ { "color12", STRING, &colorname[12] },
+ { "color13", STRING, &colorname[13] },
+ { "color14", STRING, &colorname[14] },
+ { "color15", STRING, &colorname[15] },
+ { "background", STRING, &colorname[256] },
+ { "foreground", STRING, &colorname[257] },
+ { "cursorColor", STRING, &colorname[258] },
+ { "rcursorColor", STRING, &colorname[259] },
+ { "termname", STRING, &termname },
+ { "shell", STRING, &shell },
+ { "minlatency", INTEGER, &minlatency },
+ { "maxlatency", INTEGER, &maxlatency },
+ { "blinktimeout", INTEGER, &blinktimeout },
+ { "bellvolume", INTEGER, &bellvolume },
+ { "tabspaces", INTEGER, &tabspaces },
+ { "borderpx", INTEGER, &borderpx },
+ { "cwscale", FLOAT, &cwscale },
+ { "chscale", FLOAT, &chscale },
+};
+
/*
* Internal mouse shortcuts.
* Beware that overloading Button1 will disable the selection.
*/
static MouseShortcut mshortcuts[] = {
- /* button mask string */
- { Button4, XK_ANY_MOD, "\031" },
- { Button5, XK_ANY_MOD, "\005" },
+ /* mask button function argument release */
+ { XK_ANY_MOD, Button2, selpaste, {.i = 0}, 1 },
+ { ShiftMask, Button4, ttysend, {.s = "\033[5;2~"} },
+ { XK_ANY_MOD, Button4, ttysend, {.s = "\031"} },
+ { ShiftMask, Button5, ttysend, {.s = "\033[6;2~"} },
+ { XK_ANY_MOD, Button5, ttysend, {.s = "\005"} },
};
/* Internal keyboard shortcuts. */
@@ -208,10 +276,6 @@ static Shortcut shortcuts[] = {
* * 0: no value
* * > 0: cursor application mode enabled
* * < 0: cursor application mode disabled
- * crlf value
- * * 0: no value
- * * > 0: crlf mode is enabled
- * * < 0: crlf mode is disabled
*
* Be careful with the order of the definitions because st searches in
* this table sequentially, so any XK_ANY_MOD must be in the last
@@ -230,13 +294,6 @@ static KeySym mappedkeys[] = { -1 };
*/
static uint ignoremod = Mod2Mask|XK_SWITCH_MOD;
-/*
- * Override mouse-select while mask is active (when MODE_MOUSE is set).
- * Note that if you want to use ShiftMask with selmasks, set this to an other
- * modifier, set to 0 to not use it.
- */
-static uint forceselmod = ShiftMask;
-
/*
* This is the huge key array which defines all compatibility to the Linux
* world. Please decide about changes wisely.
diff --git a/config.mk b/config.mk
@@ -1,5 +1,5 @@
# st version
-VERSION = 0.8.2
+VERSION = 0.8.4
# Customize below to fit your system
@@ -28,8 +28,8 @@ STLDFLAGS = $(LIBS) $(LDFLAGS)
# OpenBSD:
#CPPFLAGS = -DVERSION=\"$(VERSION)\" -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
#LIBS = -L$(X11LIB) -lm -lX11 -lutil -lXft \
-# `pkg-config --libs fontconfig` \
-# `pkg-config --libs freetype2`
+# `$(PKG_CONFIG) --libs fontconfig` \
+# `$(PKG_CONFIG) --libs freetype2`
# compiler and linker
# CC = c99
diff --git a/st.1 b/st.1
@@ -170,7 +170,8 @@ See the LICENSE file for the terms of redistribution.
.SH SEE ALSO
.BR tabbed (1),
.BR utmp (1),
-.BR stty (1)
+.BR stty (1),
+.BR scroll (1)
.SH BUGS
See the TODO file in the distribution.
diff --git a/st.c b/st.c
@@ -38,10 +38,10 @@
/* macros */
#define IS_SET(flag) ((term.mode & (flag)) != 0)
-#define ISCONTROLC0(c) (BETWEEN(c, 0, 0x1f) || (c) == '\177')
+#define ISCONTROLC0(c) (BETWEEN(c, 0, 0x1f) || (c) == 0x7f)
#define ISCONTROLC1(c) (BETWEEN(c, 0x80, 0x9f))
#define ISCONTROL(c) (ISCONTROLC0(c) || ISCONTROLC1(c))
-#define ISDELIM(u) (utf8strchr(worddelimiters, u) != NULL)
+#define ISDELIM(u) (u && wcschr(worddelimiters, u))
enum term_mode {
MODE_WRAP = 1 << 0,
@@ -51,7 +51,6 @@ enum term_mode {
MODE_ECHO = 1 << 4,
MODE_PRINT = 1 << 5,
MODE_UTF8 = 1 << 6,
- MODE_SIXEL = 1 << 7,
};
enum cursor_movement {
@@ -78,12 +77,11 @@ enum charset {
enum escape_state {
ESC_START = 1,
ESC_CSI = 2,
- ESC_STR = 4, /* OSC, PM, APC */
+ ESC_STR = 4, /* DCS, OSC, PM, APC */
ESC_ALTCHARSET = 8,
ESC_STR_END = 16, /* a final string was encountered */
ESC_TEST = 32, /* Enter in test mode */
ESC_UTF8 = 64,
- ESC_DCS =128,
};
typedef struct {
@@ -129,13 +127,14 @@ typedef struct {
int charset; /* current charset */
int icharset; /* selected charset for sequence */
int *tabs;
+ Rune lastc; /* last printed char outside of sequence, 0 if control */
} Term;
/* CSI Escape sequence structs */
/* ESC '[' [[ [<priv>] <arg> [;]] <mode> [<mode>]] */
typedef struct {
char buf[ESC_BUF_SIZ]; /* raw string */
- int len; /* raw string length */
+ size_t len; /* raw string length */
char priv;
int arg[ESC_ARG_SIZ];
int narg; /* nb of args */
@@ -146,8 +145,9 @@ typedef struct {
/* ESC type [[ [<priv>] <arg> [;]] <mode>] ESC '\' */
typedef struct {
char type; /* ESC type ... */
- char buf[STR_BUF_SIZ]; /* raw string */
- int len; /* raw string length */
+ char *buf; /* allocated raw string */
+ size_t siz; /* allocation size */
+ size_t len; /* raw string length */
char *args[STR_ARG_SIZ];
int narg; /* nb of args */
} STREscape;
@@ -210,7 +210,6 @@ static void selsnap(int *, int *, int);
static size_t utf8decode(const char *, Rune *, size_t);
static Rune utf8decodebyte(char, size_t *);
static char utf8encodebyte(Rune, size_t);
-static char *utf8strchr(char *, Rune);
static size_t utf8validate(Rune *, size_t);
static char *base64dec(const char *);
@@ -337,23 +336,6 @@ utf8encodebyte(Rune u, size_t i)
return utfbyte[i] | (u & ~utfmask[i]);
}
-char *
-utf8strchr(char *s, Rune u)
-{
- Rune r;
- size_t i, j, len;
-
- len = strlen(s);
- for (i = 0, j = 0; i < len; i += j) {
- if (!(j = utf8decode(&s[i], &r, len - i)))
- break;
- if (r == u)
- return &(s[i]);
- }
-
- return NULL;
-}
-
size_t
utf8validate(Rune *u, size_t i)
{
@@ -383,8 +365,9 @@ static const char base64_digits[] = {
char
base64dec_getc(const char **src)
{
- while (**src && !isprint(**src)) (*src)++;
- return *((*src)++);
+ while (**src && !isprint(**src))
+ (*src)++;
+ return **src ? *((*src)++) : '='; /* emulate padding if string ends */
}
char *
@@ -402,6 +385,10 @@ base64dec(const char *src)
int c = base64_digits[(unsigned char) base64dec_getc(&src)];
int d = base64_digits[(unsigned char) base64dec_getc(&src)];
+ /* invalid input. 'a' can be -1, e.g. if src is "\n" (c-str) */
+ if (a == -1 || b == -1)
+ break;
+
*dst++ = (a << 2) | ((b & 0x30) >> 4);
if (c == -1)
break;
@@ -476,7 +463,7 @@ selextend(int col, int row, int type, int done)
selnormalize();
sel.type = type;
- if (oldey != sel.oe.y || oldex != sel.oe.x || oldtype != sel.type)
+ if (oldey != sel.oe.y || oldex != sel.oe.x || oldtype != sel.type || sel.mode == SEL_EMPTY)
tsetdirt(MIN(sel.nb.y, oldsby), MAX(sel.ne.y, oldsey));
sel.mode = done ? SEL_IDLE : SEL_READY;
@@ -646,7 +633,8 @@ getsel(void)
* st.
* FIXME: Fix the computer world.
*/
- if ((y < sel.ne.y || lastx >= linelen) && !(last->mode & ATTR_WRAP))
+ if ((y < sel.ne.y || lastx >= linelen) &&
+ (!(last->mode & ATTR_WRAP) || sel.type == SEL_RECTANGULAR))
*ptr++ = '\n';
}
*ptr = 0;
@@ -677,7 +665,7 @@ die(const char *errstr, ...)
void
execsh(char *cmd, char **args)
{
- char *sh, *prog;
+ char *sh, *prog, *arg;
const struct passwd *pw;
errno = 0;
@@ -691,13 +679,20 @@ execsh(char *cmd, char **args)
if ((sh = getenv("SHELL")) == NULL)
sh = (pw->pw_shell[0]) ? pw->pw_shell : cmd;
- if (args)
+ if (args) {
prog = args[0];
- else if (utmp)
+ arg = NULL;
+ } else if (scroll) {
+ prog = scroll;
+ arg = utmp ? utmp : sh;
+ } else if (utmp) {
prog = utmp;
- else
+ arg = NULL;
+ } else {
prog = sh;
- DEFAULT(args, ((char *[]) {prog, NULL}));
+ arg = NULL;
+ }
+ DEFAULT(args, ((char *[]) {prog, arg, NULL}));
unsetenv("COLUMNS");
unsetenv("LINES");
@@ -735,7 +730,7 @@ sigchld(int a)
die("child exited with status %d\n", WEXITSTATUS(stat));
else if (WIFSIGNALED(stat))
die("child terminated due to signal %d\n", WTERMSIG(stat));
- exit(0);
+ _exit(0);
}
void
@@ -828,21 +823,25 @@ ttyread(void)
{
static char buf[BUFSIZ];
static int buflen = 0;
- int written;
- int ret;
+ int ret, written;
/* append read bytes to unprocessed bytes */
- if ((ret = read(cmdfd, buf+buflen, LEN(buf)-buflen)) < 0)
- die("couldn't read from shell: %s\n", strerror(errno));
- buflen += ret;
-
- written = twrite(buf, buflen, 0);
- buflen -= written;
- /* keep any uncomplete utf8 char for the next call */
- if (buflen > 0)
- memmove(buf, buf + written, buflen);
+ ret = read(cmdfd, buf+buflen, LEN(buf)-buflen);
- return ret;
+ switch (ret) {
+ case 0:
+ exit(0);
+ case -1:
+ die("couldn't read from shell: %s\n", strerror(errno));
+ default:
+ buflen += ret;
+ written = twrite(buf, buflen, 0);
+ buflen -= written;
+ /* keep any incomplete UTF-8 byte sequence for the next call */
+ if (buflen > 0)
+ memmove(buf, buf + written, buflen);
+ return ret;
+ }
}
void
@@ -1105,27 +1104,17 @@ selscroll(int orig, int n)
if (sel.ob.x == -1)
return;
- if (BETWEEN(sel.ob.y, orig, term.bot) || BETWEEN(sel.oe.y, orig, term.bot)) {
- if ((sel.ob.y += n) > term.bot || (sel.oe.y += n) < term.top) {
+ if (BETWEEN(sel.nb.y, orig, term.bot) != BETWEEN(sel.ne.y, orig, term.bot)) {
+ selclear();
+ } else if (BETWEEN(sel.nb.y, orig, term.bot)) {
+ sel.ob.y += n;
+ sel.oe.y += n;
+ if (sel.ob.y < term.top || sel.ob.y > term.bot ||
+ sel.oe.y < term.top || sel.oe.y > term.bot) {
selclear();
- return;
- }
- if (sel.type == SEL_RECTANGULAR) {
- if (sel.ob.y < term.top)
- sel.ob.y = term.top;
- if (sel.oe.y > term.bot)
- sel.oe.y = term.bot;
} else {
- if (sel.ob.y < term.top) {
- sel.ob.y = term.top;
- sel.ob.x = 0;
- }
- if (sel.oe.y > term.bot) {
- sel.oe.y = term.bot;
- sel.oe.x = term.col;
- }
+ selnormalize();
}
- selnormalize();
}
}
@@ -1578,6 +1567,7 @@ tsetmode(int priv, int set, int *args, int narg)
case 1015: /* urxvt mangled mouse mode; incompatible
and can be mistaken for other control
codes. */
+ break;
default:
fprintf(stderr,
"erresc: unknown private set/reset mode %d\n",
@@ -1659,6 +1649,12 @@ csihandle(void)
if (csiescseq.arg[0] == 0)
ttywrite(vtiden, strlen(vtiden), 0);
break;
+ case 'b': /* REP -- if last char is printable print it <n> more times */
+ DEFAULT(csiescseq.arg[0], 1);
+ if (term.lastc)
+ while (csiescseq.arg[0]-- > 0)
+ tputc(term.lastc);
+ break;
case 'C': /* CUF -- Cursor <n> Forward */
case 'a': /* HPR -- Cursor <n> Forward */
DEFAULT(csiescseq.arg[0], 1);
@@ -1782,7 +1778,7 @@ csihandle(void)
break;
case 'n': /* DSR – Device Status Report (cursor position) */
if (csiescseq.arg[0] == 6) {
- len = snprintf(buf, sizeof(buf),"\033[%i;%iR",
+ len = snprintf(buf, sizeof(buf), "\033[%i;%iR",
term.c.y+1, term.c.x+1);
ttywrite(buf, len, 0);
}
@@ -1819,7 +1815,7 @@ csihandle(void)
void
csidump(void)
{
- int i;
+ size_t i;
uint c;
fprintf(stderr, "ESC[");
@@ -1849,7 +1845,7 @@ csireset(void)
void
strhandle(void)
{
- char *p = NULL;
+ char *p = NULL, *dec;
int j, narg, par;
term.esc &= ~(ESC_STR_END|ESC_STR);
@@ -1866,9 +1862,7 @@ strhandle(void)
xsettitle(strescseq.args[1]);
return;
case 52:
- if (narg > 2) {
- char *dec;
-
+ if (narg > 2 && allowwindowops) {
dec = base64dec(strescseq.args[2]);
if (dec) {
xsetsel(dec);
@@ -1886,7 +1880,10 @@ strhandle(void)
case 104: /* color reset, here p = NULL */
j = (narg > 1) ? atoi(strescseq.args[1]) : -1;
if (xsetcolorname(j, p)) {
- fprintf(stderr, "erresc: invalid color %s\n", p);
+ if (par == 104 && narg <= 1)
+ return; /* color reset without parameter */
+ fprintf(stderr, "erresc: invalid color j=%d, p=%s\n",
+ j, p ? p : "(null)");
} else {
/*
* TODO if defaultbg color is changed, borders
@@ -1901,7 +1898,6 @@ strhandle(void)
xsettitle(strescseq.args[0]);
return;
case 'P': /* DCS -- Device Control String */
- term.mode |= ESC_DCS;
case '_': /* APC -- Application Program Command */
case '^': /* PM -- Privacy Message */
return;
@@ -1936,7 +1932,7 @@ strparse(void)
void
strdump(void)
{
- int i;
+ size_t i;
uint c;
fprintf(stderr, "ESC%c", strescseq.type);
@@ -1963,7 +1959,10 @@ strdump(void)
void
strreset(void)
{
- memset(&strescseq, 0, sizeof(strescseq));
+ strescseq = (STREscape){
+ .buf = xrealloc(strescseq.buf, STR_BUF_SIZ),
+ .siz = STR_BUF_SIZ,
+ };
}
void
@@ -2021,7 +2020,7 @@ tdumpline(int n)
bp = &term.line[n][0];
end = &bp[MIN(tlinelen(n), term.col) - 1];
if (bp != end || bp->u != ' ') {
- for ( ;bp <= end; ++bp)
+ for ( ; bp <= end; ++bp)
tprinter(buf, utf8encode(bp->u, buf));
}
tprinter("\n", 1);
@@ -2092,12 +2091,9 @@ tdectest(char c)
void
tstrsequence(uchar c)
{
- strreset();
-
switch (c) {
case 0x90: /* DCS -- Device Control String */
c = 'P';
- term.esc |= ESC_DCS;
break;
case 0x9f: /* APC -- Application Program Command */
c = '_';
@@ -2109,6 +2105,7 @@ tstrsequence(uchar c)
c = ']';
break;
}
+ strreset();
strescseq.type = c;
term.esc |= ESC_STR;
}
@@ -2151,6 +2148,7 @@ tcontrolcode(uchar ascii)
return;
case '\032': /* SUB */
tsetchar('?', &term.c.attr, term.c.x, term.c.y);
+ /* FALLTHROUGH */
case '\030': /* CAN */
csireset();
break;
@@ -2305,15 +2303,13 @@ tputc(Rune u)
Glyph *gp;
control = ISCONTROL(u);
- if (!IS_SET(MODE_UTF8) && !IS_SET(MODE_SIXEL)) {
+ if (u < 127 || !IS_SET(MODE_UTF8)) {
c[0] = u;
width = len = 1;
} else {
len = utf8encode(u, c);
- if (!control && (width = wcwidth(u)) == -1) {
- memcpy(c, "\357\277\275", 4); /* UTF_INVALID */
+ if (!control && (width = wcwidth(u)) == -1)
width = 1;
- }
}
if (IS_SET(MODE_PRINT))
@@ -2328,25 +2324,12 @@ tputc(Rune u)
if (term.esc & ESC_STR) {
if (u == '\a' || u == 030 || u == 032 || u == 033 ||
ISCONTROLC1(u)) {
- term.esc &= ~(ESC_START|ESC_STR|ESC_DCS);
- if (IS_SET(MODE_SIXEL)) {
- /* TODO: render sixel */;
- term.mode &= ~MODE_SIXEL;
- return;
- }
+ term.esc &= ~(ESC_START|ESC_STR);
term.esc |= ESC_STR_END;
goto check_control_code;
}
-
- if (IS_SET(MODE_SIXEL)) {
- /* TODO: implement sixel mode */
- return;
- }
- if (term.esc&ESC_DCS && strescseq.len == 0 && u == 'q')
- term.mode |= MODE_SIXEL;
-
- if (strescseq.len+len >= sizeof(strescseq.buf)-1) {
+ if (strescseq.len+len >= strescseq.siz) {
/*
* Here is a bug in terminals. If the user never sends
* some code to stop the str or esc command, then st
@@ -2360,7 +2343,10 @@ tputc(Rune u)
* term.esc = 0;
* strhandle();
*/
- return;
+ if (strescseq.siz > (SIZE_MAX - UTF_SIZ) / 2)
+ return;
+ strescseq.siz *= 2;
+ strescseq.buf = xrealloc(strescseq.buf, strescseq.siz);
}
memmove(&strescseq.buf[strescseq.len], c, len);
@@ -2379,6 +2365,8 @@ check_control_code:
/*
* control codes are not shown ever
*/
+ if (!term.esc)
+ term.lastc = 0;
return;
} else if (term.esc & ESC_START) {
if (term.esc & ESC_CSI) {
@@ -2409,7 +2397,7 @@ check_control_code:
*/
return;
}
- if (sel.ob.x != -1 && BETWEEN(term.c.y, sel.ob.y, sel.oe.y))
+ if (selected(term.c.x, term.c.y))
selclear();
gp = &term.line[term.c.y][term.c.x];
@@ -2428,6 +2416,7 @@ check_control_code:
}
tsetchar(u, &term.c.attr, term.c.x, term.c.y);
+ term.lastc = u;
if (width == 2) {
gp->mode |= ATTR_WIDE;
@@ -2451,7 +2440,7 @@ twrite(const char *buf, int buflen, int show_ctrl)
int n;
for (n = 0; n < buflen; n += charsize) {
- if (IS_SET(MODE_UTF8) && !IS_SET(MODE_SIXEL)) {
+ if (IS_SET(MODE_UTF8)) {
/* process a complete utf8 char */
charsize = utf8decode(buf + n, &u, buflen - n);
if (charsize == 0)
@@ -2567,6 +2556,7 @@ void
drawregion(int x1, int y1, int x2, int y2)
{
int y;
+
for (y = y1; y < y2; y++) {
if (!term.dirty[y])
continue;
@@ -2579,7 +2569,7 @@ drawregion(int x1, int y1, int x2, int y2)
void
draw(void)
{
- int cx = term.c.x;
+ int cx = term.c.x, ocx = term.ocx, ocy = term.ocy;
if (!xstartdraw())
return;
@@ -2595,8 +2585,11 @@ draw(void)
drawregion(0, 0, term.col, term.row);
xdrawcursor(cx, term.c.y, term.line[term.c.y][cx],
term.ocx, term.ocy, term.line[term.ocy][term.ocx]);
- term.ocx = cx, term.ocy = term.c.y;
+ term.ocx = cx;
+ term.ocy = term.c.y;
xfinishdraw();
+ if (ocx != term.ocx || ocy != term.ocy)
+ xximspot(term.ocx, term.ocy);
}
void
diff --git a/st.h b/st.h
@@ -75,6 +75,7 @@ typedef union {
uint ui;
float f;
const void *v;
+ const char *s;
} Arg;
void die(const char *, ...);
@@ -121,10 +122,12 @@ void drawboxes(int, int, int, int, XftColor *, XftColor *, const XftGlyphFontSpe
/* config.h globals */
extern char *utmp;
+extern char *scroll;
extern char *stty_args;
extern char *vtiden;
-extern char *worddelimiters;
+extern wchar_t *worddelimiters;
extern int allowaltscreen;
+extern int allowwindowops;
extern char *termname;
extern unsigned int tabspaces;
extern unsigned int defaultfg;
diff --git a/st.info b/st.info
@@ -1,4 +1,4 @@
-st| simpleterm,
+st-mono| simpleterm monocolor,
acsc=+C\,D-A.B0E``aaffgghFiGjjkkllmmnnooppqqrrssttuuvvwwxxyyzz{{||}}~~,
am,
bce,
@@ -10,7 +10,7 @@ st| simpleterm,
civis=\E[?25l,
clear=\E[H\E[2J,
cnorm=\E[?12l\E[?25h,
- colors#8,
+ colors#2,
cols#80,
cr=^M,
csr=\E[%i%p1%d;%p2%dr,
@@ -158,6 +158,7 @@ st| simpleterm,
rc=\E8,
rev=\E[7m,
ri=\EM,
+ rin=\E[%p1%dT,
ritm=\E[23m,
rmacs=\E(B,
rmcup=\E[?1049l,
@@ -168,13 +169,8 @@ st| simpleterm,
rs1=\Ec,
rs2=\E[4l\E>\E[?1034l,
sc=\E7,
- setab=\E[4%p1%dm,
- setaf=\E[3%p1%dm,
- setb=\E[4%?%p1%{1}%=%t4%e%p1%{3}%=%t6%e%p1%{4}%=%t1%e%p1%{6}%=%t3%e%p1%d%;m,
- setf=\E[3%?%p1%{1}%=%t4%e%p1%{3}%=%t6%e%p1%{4}%=%t1%e%p1%{6}%=%t3%e%p1%d%;m,
- sgr0=\E[0m,
- sgr=%?%p9%t\E(0%e\E(B%;\E[0%?%p6%t;1%;%?%p2%t;4%;%?%p1%p3%|%t;7%;%?%p4%t;5%;%?%p7%t;8%;m,
sitm=\E[3m,
+ sgr0=\E[0m,
smacs=\E(0,
smcup=\E[?1049h,
smir=\E[4h,
@@ -188,11 +184,22 @@ st| simpleterm,
# XTerm extensions
rmxx=\E[29m,
smxx=\E[9m,
+# disabled rep for now: causes some issues with older ncurses versions.
+# rep=%p1%c\E[%p2%{1}%-%db,
# tmux extensions, see TERMINFO EXTENSIONS in tmux(1)
- Se,
- Ss,
Tc,
Ms=\E]52;%p1%s;%p2%s\007,
+ Se=\E[2 q,
+ Ss=\E[%p1%d q,
+
+st| simpleterm,
+ use=st-mono,
+ colors#8,
+ setab=\E[4%p1%dm,
+ setaf=\E[3%p1%dm,
+ setb=\E[4%?%p1%{1}%=%t4%e%p1%{3}%=%t6%e%p1%{4}%=%t1%e%p1%{6}%=%t3%e%p1%d%;m,
+ setf=\E[3%?%p1%{1}%=%t4%e%p1%{3}%=%t6%e%p1%{4}%=%t1%e%p1%{6}%=%t3%e%p1%d%;m,
+ sgr=%?%p9%t\E(0%e\E(B%;\E[0%?%p6%t;1%;%?%p2%t;4%;%?%p1%p3%|%t;7%;%?%p4%t;5%;%?%p7%t;8%;m,
st-256color| simpleterm with 256 colors,
use=st,
@@ -220,3 +227,13 @@ st-meta-256color| simpleterm with meta key and 256 colors,
smm=\E[?1034h,
rs2=\E[4l\E>\E[?1034h,
is2=\E[4l\E>\E[?1034h,
+
+st-bs| simpleterm with backspace as backspace,
+ use=st,
+ kbs=\010,
+ kdch1=\177,
+
+st-bs-256color| simpleterm with backspace as backspace and 256colors,
+ use=st-256color,
+ kbs=\010,
+ kdch1=\177,
diff --git a/win.h b/win.h
@@ -36,3 +36,4 @@ void xsetmode(int, unsigned int);
void xsetpointermotion(int);
void xsetsel(char *);
int xstartdraw(void);
+void xximspot(int, int);
diff --git a/x.c b/x.c
@@ -14,8 +14,9 @@
#include <X11/keysym.h>
#include <X11/Xft/Xft.h>
#include <X11/XKBlib.h>
+#include <X11/Xresource.h>
-static char *argv0;
+char *argv0;
#include "arg.h"
#include "st.h"
#include "win.h"
@@ -29,9 +30,11 @@ typedef struct {
} Shortcut;
typedef struct {
- uint b;
- uint mask;
- char *s;
+ uint mod;
+ uint button;
+ void (*func)(const Arg *);
+ const Arg arg;
+ uint release;
} MouseShortcut;
typedef struct {
@@ -43,6 +46,19 @@ typedef struct {
signed char appcursor; /* application cursor */
} Key;
+/* Xresources preferences */
+enum resource_type {
+ STRING = 0,
+ INTEGER = 1,
+ FLOAT = 2
+};
+
+typedef struct {
+ char *name;
+ enum resource_type type;
+ void *dst;
+} ResourcePref;
+
/* X modifiers */
#define XK_ANY_MOD UINT_MAX
#define XK_NO_MOD 0
@@ -56,6 +72,7 @@ static void selpaste(const Arg *);
static void zoom(const Arg *);
static void zoomabs(const Arg *);
static void zoomreset(const Arg *);
+static void ttysend(const Arg *);
/* config.h for applying patches and the configuration. */
#include "config.h"
@@ -92,8 +109,12 @@ typedef struct {
Drawable buf;
GlyphFontSpec *specbuf; /* font spec buffer used for rendering */
Atom xembed, wmdeletewin, netwmname, netwmpid;
- XIM xim;
- XIC xic;
+ struct {
+ XIM xim;
+ XIC xic;
+ XPoint spot;
+ XVaNestedList spotlist;
+ } ime;
Draw draw;
Visual *vis;
XSetWindowAttributes attrs;
@@ -140,6 +161,10 @@ static void xdrawglyphfontspecs(const XftGlyphFontSpec *, Glyph, int, int, int);
static void xdrawglyph(Glyph, int, int);
static void xclear(int, int, int, int);
static int xgeommasktogravity(int);
+static int ximopen(Display *);
+static void ximinstantiate(Display *, XPointer, XPointer);
+static void ximdestroy(XIM, XPointer, XPointer);
+static int xicdestroy(XIC, XPointer, XPointer);
static void xinit(int, int);
static void cresize(int, int);
static void xresize(int, int);
@@ -161,6 +186,8 @@ static void kpress(XEvent *);
static void cmessage(XEvent *);
static void resize(XEvent *);
static void focus(XEvent *);
+static uint buttonmask(uint);
+static int mouseaction(XEvent *, uint);
static void brelease(XEvent *);
static void bpress(XEvent *);
static void bmotion(XEvent *);
@@ -173,7 +200,6 @@ static void mousesel(XEvent *, int);
static void mousereport(XEvent *);
static char *kmap(KeySym, uint);
static int match(uint, uint);
-static void get_vt_colors(void);
static void run(void);
static void usage(void);
@@ -225,8 +251,9 @@ typedef struct {
} Fontcache;
/* Fontcache is an array now. A new font will be appended to the array. */
-static Fontcache frc[16];
+static Fontcache *frc = NULL;
static int frclen = 0;
+static int frccap = 0;
static char *usedfont = NULL;
static double usedfontsize = 0;
static double defaultfontsize = 0;
@@ -310,6 +337,12 @@ zoomreset(const Arg *arg)
}
}
+void
+ttysend(const Arg *arg)
+{
+ ttywrite(arg->s, strlen(arg->s), 1);
+}
+
int
evcol(XEvent *e)
{
@@ -330,7 +363,7 @@ void
mousesel(XEvent *e, int done)
{
int type, seltype = SEL_REGULAR;
- uint state = e->xbutton.state & ~(Button1Mask | forceselmod);
+ uint state = e->xbutton.state & ~(Button1Mask | forcemousemod);
for (type = 1; type < LEN(selmasks); ++type) {
if (match(selmasks[type], state)) {
@@ -406,25 +439,51 @@ mousereport(XEvent *e)
ttywrite(buf, len, 0);
}
+uint
+buttonmask(uint button)
+{
+ return button == Button1 ? Button1Mask
+ : button == Button2 ? Button2Mask
+ : button == Button3 ? Button3Mask
+ : button == Button4 ? Button4Mask
+ : button == Button5 ? Button5Mask
+ : 0;
+}
+
+int
+mouseaction(XEvent *e, uint release)
+{
+ MouseShortcut *ms;
+
+ /* ignore Button<N>mask for Button<N> - it's set on release */
+ uint state = e->xbutton.state & ~buttonmask(e->xbutton.button);
+
+ for (ms = mshortcuts; ms < mshortcuts + LEN(mshortcuts); ms++) {
+ if (ms->release == release &&
+ ms->button == e->xbutton.button &&
+ (match(ms->mod, state) || /* exact or forced */
+ match(ms->mod, state & ~forcemousemod))) {
+ ms->func(&(ms->arg));
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
void
bpress(XEvent *e)
{
struct timespec now;
- MouseShortcut *ms;
int snap;
- if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
+ if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forcemousemod)) {
mousereport(e);
return;
}
- for (ms = mshortcuts; ms < mshortcuts + LEN(mshortcuts); ms++) {
- if (e->xbutton.button == ms->b
- && match(ms->mask, e->xbutton.state)) {
- ttywrite(ms->s, strlen(ms->s), 1);
- return;
- }
- }
+ if (mouseaction(e, 0))
+ return;
if (e->xbutton.button == Button1) {
/*
@@ -640,21 +699,21 @@ xsetsel(char *str)
void
brelease(XEvent *e)
{
- if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
+ if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forcemousemod)) {
mousereport(e);
return;
}
- if (e->xbutton.button == Button2)
- selpaste(NULL);
- else if (e->xbutton.button == Button1)
+ if (mouseaction(e, 1))
+ return;
+ if (e->xbutton.button == Button1)
mousesel(e, 1);
}
void
bmotion(XEvent *e)
{
- if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
+ if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forcemousemod)) {
mousereport(e);
return;
}
@@ -746,15 +805,13 @@ xloadcols(void)
Color *cp;
signal(SIGREDRW, &redraw_signalhandler);
- get_vt_colors();
-
- dc.collen = 256;
- dc.collen = MAX(LEN(colorname), dc.collen);
- 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);
+ } else {
+ dc.collen = MAX(LEN(colorname), 256);
+ dc.col = xmalloc(dc.collen * sizeof(Color));
}
for (i = 0; i < dc.collen; i++)
@@ -775,7 +832,6 @@ xsetcolorname(int x, const char *name)
if (!BETWEEN(x, 0, dc.collen))
return 1;
-
if (!xloadcolor(x, name, &ncolor))
return 1;
@@ -799,8 +855,8 @@ xclear(int x1, int y1, int x2, int y2)
void
xhints(void)
{
- XClassHint class = {opt_name ? opt_name : termname,
- opt_class ? opt_class : termname};
+ XClassHint class = {opt_name ? opt_name : "st",
+ opt_class ? opt_class : "St"};
XWMHints wm = {.flags = InputHint, .input = 1};
XSizeHints *sizeh;
@@ -1013,6 +1069,60 @@ xunloadfonts(void)
xunloadfont(&dc.ibfont);
}
+int
+ximopen(Display *dpy)
+{
+ XIMCallback imdestroy = { .client_data = NULL, .callback = ximdestroy };
+ XICCallback icdestroy = { .client_data = NULL, .callback = xicdestroy };
+
+ xw.ime.xim = XOpenIM(xw.dpy, NULL, NULL, NULL);
+ if (xw.ime.xim == NULL)
+ return 0;
+
+ if (XSetIMValues(xw.ime.xim, XNDestroyCallback, &imdestroy, NULL))
+ fprintf(stderr, "XSetIMValues: "
+ "Could not set XNDestroyCallback.\n");
+
+ xw.ime.spotlist = XVaCreateNestedList(0, XNSpotLocation, &xw.ime.spot,
+ NULL);
+
+ if (xw.ime.xic == NULL) {
+ xw.ime.xic = XCreateIC(xw.ime.xim, XNInputStyle,
+ XIMPreeditNothing | XIMStatusNothing,
+ XNClientWindow, xw.win,
+ XNDestroyCallback, &icdestroy,
+ NULL);
+ }
+ if (xw.ime.xic == NULL)
+ fprintf(stderr, "XCreateIC: Could not create input context.\n");
+
+ return 1;
+}
+
+void
+ximinstantiate(Display *dpy, XPointer client, XPointer call)
+{
+ if (ximopen(dpy))
+ XUnregisterIMInstantiateCallback(xw.dpy, NULL, NULL, NULL,
+ ximinstantiate, NULL);
+}
+
+void
+ximdestroy(XIM xim, XPointer client, XPointer call)
+{
+ xw.ime.xim = NULL;
+ XRegisterIMInstantiateCallback(xw.dpy, NULL, NULL, NULL,
+ ximinstantiate, NULL);
+ XFree(xw.ime.spotlist);
+}
+
+int
+xicdestroy(XIC xim, XPointer client, XPointer call)
+{
+ xw.ime.xic = NULL;
+ return 1;
+}
+
void
xinit(int cols, int rows)
{
@@ -1022,8 +1132,6 @@ xinit(int cols, int rows)
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);
@@ -1050,7 +1158,7 @@ xinit(int cols, int rows)
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
+ xw.attrs.event_mask = FocusChangeMask | KeyPressMask | KeyReleaseMask
| ExposureMask | VisibilityChangeMask | StructureNotifyMask
| ButtonMotionMask | ButtonPressMask | ButtonReleaseMask;
xw.attrs.colormap = xw.cmap;
@@ -1078,22 +1186,10 @@ xinit(int cols, int rows)
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");
- }
- }
+ if (!ximopen(xw.dpy)) {
+ XRegisterIMInstantiateCallback(xw.dpy, NULL, NULL, NULL,
+ ximinstantiate, NULL);
}
- 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);
@@ -1124,8 +1220,8 @@ xinit(int cols, int rows)
win.mode = MODE_NUMLOCK;
resettitle();
- XMapWindow(xw.dpy, xw.win);
xhints();
+ XMapWindow(xw.dpy, xw.win);
XSync(xw.dpy, False);
clock_gettime(CLOCK_MONOTONIC, &xsel.tclick1);
@@ -1242,13 +1338,10 @@ xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x
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;
+ /* Allocate memory for the new cache entry. */
+ if (frclen >= frccap) {
+ frccap += 16;
+ frc = xrealloc(frc, frccap * sizeof(Fontcache));
}
frc[frclen].font = XftFontOpenPattern(xw.dpy,
@@ -1470,8 +1563,9 @@ xdrawcursor(int cx, int cy, Glyph g, int ox, int oy, Glyph og)
/* draw the new one */
if (IS_SET(MODE_FOCUSED)) {
switch (win.cursor) {
- case 7: /* st extension: snowman (U+2603) */
- g.u = 0x2603;
+ case 7: /* st extension */
+ g.u = 0x2603; /* snowman (U+2603) */
+ /* FALLTHROUGH */
case 0: /* Blinking Block */
case 1: /* Blinking Block (Default) */
case 2: /* Steady Block */
@@ -1582,6 +1676,18 @@ xfinishdraw(void)
defaultfg : defaultbg].pixel);
}
+void
+xximspot(int x, int y)
+{
+ if (xw.ime.xic == NULL)
+ return;
+
+ xw.ime.spot.x = borderpx + x * win.cw;
+ xw.ime.spot.y = borderpx + (y + 1) * win.ch;
+
+ XSetICValues(xw.ime.xic, XNPreeditAttributes, xw.ime.spotlist, NULL);
+}
+
void
expose(XEvent *ev)
{
@@ -1621,8 +1727,7 @@ xsetmode(int set, unsigned int flags)
int
xsetcursor(int cursor)
{
- DEFAULT(cursor, 1);
- if (!BETWEEN(cursor, 0, 6))
+ if (!BETWEEN(cursor, 0, 7)) /* 7: st extension */
return 1;
win.cursor = cursor;
return 0;
@@ -1656,13 +1761,15 @@ focus(XEvent *ev)
return;
if (ev->type == FocusIn) {
- XSetICFocus(xw.xic);
+ if (xw.ime.xic)
+ XSetICFocus(xw.ime.xic);
win.mode |= MODE_FOCUSED;
xseturgency(0);
if (IS_SET(MODE_FOCUS))
ttywrite("\033[I", 3, 0);
} else {
- XUnsetICFocus(xw.xic);
+ if (xw.ime.xic)
+ XUnsetICFocus(xw.ime.xic);
win.mode &= ~MODE_FOCUSED;
if (IS_SET(MODE_FOCUS))
ttywrite("\033[O", 3, 0);
@@ -1717,7 +1824,7 @@ kpress(XEvent *ev)
{
XKeyEvent *e = &ev->xkey;
KeySym ksym;
- char buf[32], *customkey;
+ char buf[64], *customkey;
int len;
Rune c;
Status status;
@@ -1726,7 +1833,10 @@ kpress(XEvent *ev)
if (IS_SET(MODE_KBDLOCK))
return;
- len = XmbLookupString(xw.xic, e, buf, sizeof buf, &ksym, &status);
+ if (xw.ime.xic)
+ len = XmbLookupString(xw.ime.xic, e, buf, sizeof buf, &ksym, &status);
+ else
+ len = XLookupString(e, buf, sizeof buf, &ksym, NULL);
/* 1. shortcuts */
for (bp = shortcuts; bp < shortcuts + LEN(shortcuts); bp++) {
if (ksym == bp->keysym && match(bp->mod, e->state)) {
@@ -1759,7 +1869,6 @@ kpress(XEvent *ev)
ttywrite(buf, len, 1);
}
-
void
cmessage(XEvent *e)
{
@@ -1795,10 +1904,9 @@ run(void)
XEvent ev;
int w = win.w, h = win.h;
fd_set rfd;
- int xfd = XConnectionNumber(xw.dpy), xev, blinkset = 0, dodraw = 0;
- int ttyfd;
- struct timespec drawtimeout, *tv = NULL, now, last, lastblink;
- long deltatime;
+ int xfd = XConnectionNumber(xw.dpy), ttyfd, xev, drawing;
+ struct timespec seltv, *tv, now, lastblink, trigger;
+ double timeout;
/* Waiting for window mapping */
do {
@@ -1819,124 +1927,131 @@ run(void)
ttyfd = ttynew(opt_line, shell, opt_io, opt_cmd);
cresize(w, h);
- clock_gettime(CLOCK_MONOTONIC, &last);
- lastblink = last;
-
- for (xev = actionfps;;) {
+ for (timeout = -1, drawing = 0, lastblink = (struct timespec){0};;) {
FD_ZERO(&rfd);
FD_SET(ttyfd, &rfd);
FD_SET(xfd, &rfd);
+ if (XPending(xw.dpy))
+ timeout = 0; /* existing events might not set xfd */
+
+ seltv.tv_sec = timeout / 1E3;
+ seltv.tv_nsec = 1E6 * (timeout - 1E3 * seltv.tv_sec);
+ tv = timeout >= 0 ? &seltv : NULL;
+
if (pselect(MAX(xfd, ttyfd)+1, &rfd, NULL, NULL, tv, NULL) < 0) {
if (errno == EINTR)
continue;
die("select failed: %s\n", strerror(errno));
}
- if (FD_ISSET(ttyfd, &rfd)) {
- ttyread();
- if (blinktimeout) {
- blinkset = tattrset(ATTR_BLINK);
- if (!blinkset)
- MODBIT(win.mode, 0, MODE_BLINK);
- }
- }
+ clock_gettime(CLOCK_MONOTONIC, &now);
- if (FD_ISSET(xfd, &rfd))
- xev = actionfps;
+ if (FD_ISSET(ttyfd, &rfd))
+ ttyread();
- 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);
- win.mode ^= MODE_BLINK;
- lastblink = now;
- dodraw = 1;
- }
- deltatime = TIMEDIFF(now, last);
- if (deltatime > 1000 / (xev ? xfps : actionfps)) {
- dodraw = 1;
- last = now;
+ xev = 0;
+ while (XPending(xw.dpy)) {
+ xev = 1;
+ XNextEvent(xw.dpy, &ev);
+ if (XFilterEvent(&ev, None))
+ continue;
+ if (handler[ev.type])
+ (handler[ev.type])(&ev);
}
- if (dodraw) {
- while (XPending(xw.dpy)) {
- XNextEvent(xw.dpy, &ev);
- if (XFilterEvent(&ev, None))
- continue;
- if (handler[ev.type])
- (handler[ev.type])(&ev);
+ /*
+ * To reduce flicker and tearing, when new content or event
+ * triggers drawing, we first wait a bit to ensure we got
+ * everything, and if nothing new arrives - we draw.
+ * We start with trying to wait minlatency ms. If more content
+ * arrives sooner, we retry with shorter and shorter periods,
+ * and eventually draw even without idle after maxlatency ms.
+ * Typically this results in low latency while interacting,
+ * maximum latency intervals during `cat huge.txt`, and perfect
+ * sync with periodic updates from animations/key-repeats/etc.
+ */
+ if (FD_ISSET(ttyfd, &rfd) || xev) {
+ if (!drawing) {
+ trigger = now;
+ drawing = 1;
}
+ timeout = (maxlatency - TIMEDIFF(now, trigger)) \
+ / maxlatency * minlatency;
+ if (timeout > 0)
+ continue; /* we have time, try to find idle */
+ }
- draw();
- XFlush(xw.dpy);
-
- if (xev && !FD_ISSET(xfd, &rfd))
- xev--;
- if (!FD_ISSET(ttyfd, &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;
- }
+ /* idle detected or maxlatency exhausted -> draw */
+ timeout = -1;
+ if (blinktimeout && tattrset(ATTR_BLINK)) {
+ timeout = blinktimeout - TIMEDIFF(now, lastblink);
+ if (timeout <= 0) {
+ if (-timeout > blinktimeout) /* start visible */
+ win.mode |= MODE_BLINK;
+ win.mode ^= MODE_BLINK;
+ tsetdirtattr(ATTR_BLINK);
+ lastblink = now;
+ timeout = blinktimeout;
}
}
+
+ draw();
+ XFlush(xw.dpy);
+ drawing = 0;
}
}
-void
-get_vt_colors(void)
-{
- char *cfs[3] = {
- "/sys/module/vt/parameters/default_red",
- "/sys/module/vt/parameters/default_grn",
- "/sys/module/vt/parameters/default_blu",
- };
- char vtcs[16][8];
- char tk[] = ",";
- char cl[64];
- char *tp = NULL;
- FILE *fp;
- size_t r, l;
- int i, c, n;
-
- for (i = 0; i < 16; i++)
- strcpy(vtcs[i], "#000000");
-
- for (i = 0, r = 0; i < 3; i++) {
- if ((fp = fopen(cfs[i], "r")) == NULL)
- continue;
- while ((cl[r] = fgetc(fp)) != EOF && cl[r] != '\n')
- r++;
- cl[r] = '\0';
- for (c = 0, tp = cl, n = 0; c < 16; c++, tp++) {
- if ((r = strcspn(tp, tk)) == -1)
- break;
- for (n = 0; r && *tp >= 48 && *tp < 58; r--, tp++)
- n = n * 10 - 48 + *tp;
- vtcs[c][i * 2 + 1] = n / 16 < 10 ? n / 16 + 48 : n / 16 + 87;
- vtcs[c][i * 2 + 2] = n % 16 < 10 ? n % 16 + 48 : n % 16 + 87;
- }
- fclose(fp);
- }
- for (i = 0; i < 16; i++) {
- if (strlen(colorname[i]) >= strlen(vtcs[i]))
- memcpy(colorname[i], vtcs[i], 7);
+int
+resource_load(XrmDatabase db, char *name, enum resource_type rtype, void *dst)
+{
+ char **sdst = dst;
+ int *idst = dst;
+ float *fdst = dst;
+
+ char fullname[256];
+ char fullclass[256];
+ char *type;
+ XrmValue ret;
+
+ snprintf(fullname, sizeof(fullname), "%s.%s",
+ opt_name ? opt_name : "st", name);
+ snprintf(fullclass, sizeof(fullclass), "%s.%s",
+ opt_class ? opt_class : "St", name);
+ fullname[sizeof(fullname) - 1] = fullclass[sizeof(fullclass) - 1] = '\0';
+
+ XrmGetResource(db, fullname, fullclass, &type, &ret);
+ if (ret.addr == NULL || strncmp("String", type, 64))
+ return 1;
+
+ switch (rtype) {
+ case STRING:
+ *sdst = ret.addr;
+ break;
+ case INTEGER:
+ *idst = strtoul(ret.addr, NULL, 10);
+ break;
+ case FLOAT:
+ *fdst = strtof(ret.addr, NULL);
+ break;
}
+ return 0;
+}
+
+void
+config_init(void)
+{
+ char *resm;
+ XrmDatabase db;
+ ResourcePref *p;
+
+ XrmInitialize();
+ resm = XResourceManagerString(xw.dpy);
+ if (!resm)
+ return;
+
+ db = XrmGetStringDatabase(resm);
+ for (p = resources; p < resources + LEN(resources); p++)
+ resource_load(db, p->name, p->type, p->dst);
}
void
@@ -1957,7 +2072,7 @@ main(int argc, char *argv[])
{
xw.l = xw.t = 0;
xw.isfixed = False;
- win.cursor = cursorshape;
+ xsetcursor(cursorshape);
ARGBEGIN {
case 'a':
@@ -2012,6 +2127,11 @@ run:
setlocale(LC_CTYPE, "");
XSetLocaleModifiers("");
+
+ if(!(xw.dpy = XOpenDisplay(NULL)))
+ die("Can't open display\n");
+
+ config_init();
cols = MAX(cols, 1);
rows = MAX(rows, 1);
tnew(cols, rows);
