#define Glyph Glyph_
#define Font Font_
-#define Draw XftDraw *
-#define Colour XftColor
-#define Colourmap Colormap
-#define Rectangle XRectangle
#if defined(__linux)
#include <pty.h>
#define REDRAW_TIMEOUT (80*1000) /* 80 ms */
/* macros */
-#define SERRNO strerror(errno)
#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 LEN(a) (sizeof(a) / sizeof(a)[0])
#define DEFAULT(a, b) (a) = (a) ? (a) : (b)
#define BETWEEN(x, a, b) ((a) <= (x) && (x) <= (b))
#define LIMIT(x, a, b) (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x)
#define IS_SET(flag) ((term.mode & (flag)) != 0)
#define TIMEDIFF(t1, t2) ((t1.tv_sec-t2.tv_sec)*1000 + (t1.tv_usec-t2.tv_usec)/1000)
#define CEIL(x) (((x) != (int) (x)) ? (x) + 1 : (x))
+#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))
typedef unsigned long ulong;
typedef unsigned short ushort;
+typedef XftDraw *Draw;
+typedef XftColor Colour;
+typedef Colormap Colourmap;
+
typedef struct {
char c[UTF_SIZ]; /* character code */
ushort mode; /* attribute flags */
typedef union {
int i;
- unsigned int ui;
+ uint ui;
float f;
const void *v;
} Arg;
typedef struct {
- unsigned int mod;
+ uint mod;
KeySym keysym;
void (*func)(const Arg *);
const Arg arg;
static void strreset(void);
static int tattrset(int);
-static void tprinter(char *s, size_t len);
+static void tprinter(char *, size_t);
static void tdumpsel(void);
static void tdumpline(int);
static void tdump(void);
static void tinsertblank(int);
static void tinsertblankline(int);
static void tmoveto(int, int);
-static void tmoveato(int x, int y);
+static void tmoveato(int, int);
static void tnew(int, int);
static void tnewline(int);
static void tputtab(bool);
static int tresize(int, int);
static void tscrollup(int, int);
static void tscrolldown(int, int);
-static void tsetattr(int*, int);
+static void tsetattr(int *, int);
static void tsetchar(char *, Glyph *, int, int);
static void tsetscroll(int, int);
static void tswapscreen(void);
static void xresettitle(void);
static void xsetpointermotion(int);
static void xseturgency(int);
-static void xsetsel(char*);
+static void xsetsel(char *);
static void xtermclear(int, int, int, int);
-static void xunloadfont(Font *f);
+static void xunloadfont(Font *);
static void xunloadfonts(void);
static void xresize(int, int);
static ssize_t xwrite(int, char *, size_t);
static void *xmalloc(size_t);
static void *xrealloc(void *, size_t);
-static char *xstrdup(char *s);
+static char *xstrdup(char *);
static void (*handler[LASTEvent])(XEvent *) = {
[KeyPress] = kpress,
char *
xstrdup(char *s) {
- char *p = strdup(s);
-
- if (!p)
+ if((s = strdup(s)) == NULL)
die("Out of memory\n");
- return p;
+ return s;
}
size_t
int stat = 0;
if(waitpid(pid, &stat, 0) < 0)
- die("Waiting for pid %hd failed: %s\n", pid, SERRNO);
+ die("Waiting for pid %hd failed: %s\n", pid, strerror(errno));
if(WIFEXITED(stat)) {
exit(WEXITSTATUS(stat));
/* seems to work fine on linux, openbsd and freebsd */
if(openpty(&m, &s, NULL, NULL, &w) < 0)
- die("openpty failed: %s\n", SERRNO);
+ die("openpty failed: %s\n", strerror(errno));
switch(pid = fork()) {
case -1:
dup2(s, STDOUT_FILENO);
dup2(s, STDERR_FILENO);
if(ioctl(s, TIOCSCTTY, NULL) < 0)
- die("ioctl TIOCSCTTY failed: %s\n", SERRNO);
+ die("ioctl TIOCSCTTY failed: %s\n", strerror(errno));
close(s);
close(m);
execsh();
/* append read bytes to unprocessed bytes */
if((ret = read(cmdfd, buf+buflen, LEN(buf)-buflen)) < 0)
- die("Couldn't read from shell: %s\n", SERRNO);
+ die("Couldn't read from shell: %s\n", strerror(errno));
/* process every complete utf8 char */
buflen += ret;
void
ttywrite(const char *s, size_t n) {
if(write(cmdfd, s, n) == -1)
- die("write error on tty: %s\n", SERRNO);
+ die("write error on tty: %s\n", strerror(errno));
}
void
w.ws_xpixel = xw.tw;
w.ws_ypixel = xw.th;
if(ioctl(cmdfd, TIOCSWINSZ, &w) < 0)
- fprintf(stderr, "Couldn't set window size: %s\n", SERRNO);
+ fprintf(stderr, "Couldn't set window size: %s\n", strerror(errno));
}
int
LIMIT(n, 0, term.bot-orig+1);
+ tsetdirt(orig, term.bot-n);
tclearregion(0, term.bot-n+1, term.col-1, term.bot);
for(i = term.bot; i >= orig+n; i--) {
temp = term.line[i];
term.line[i] = term.line[i-n];
term.line[i-n] = temp;
-
- term.dirty[i] = 1;
- term.dirty[i-n] = 1;
}
selscroll(orig, n);
tscrollup(int orig, int n) {
int i;
Line temp;
+
LIMIT(n, 0, term.bot-orig+1);
tclearregion(0, orig, term.col-1, orig+n-1);
+ tsetdirt(orig+n, term.bot);
for(i = orig; i <= term.bot-n; i++) {
- temp = term.line[i];
- term.line[i] = term.line[i+n];
- term.line[i+n] = temp;
-
- term.dirty[i] = 1;
- term.dirty[i+n] = 1;
+ temp = term.line[i];
+ term.line[i] = term.line[i+n];
+ term.line[i+n] = temp;
}
selscroll(orig, -n);
* The table is proudly stolen from rxvt.
*/
if(attr->mode & ATTR_GFX) {
- if(c[0] >= 0x41 && c[0] <= 0x7e
- && vt100_0[c[0] - 0x41]) {
+ if(BETWEEN(c[0], 0x41, 0x7e) && vt100_0[c[0] - 0x41]) {
c = vt100_0[c[0] - 0x41];
}
}
void
tdeletechar(int n) {
- int src = term.c.x + n;
- int dst = term.c.x;
- int size = term.col - src;
+ int dst, src, size;
+ Glyph *line;
- term.dirty[term.c.y] = 1;
+ LIMIT(n, 0, term.col - term.c.x);
- if(src >= term.col) {
- tclearregion(term.c.x, term.c.y, term.col-1, term.c.y);
- return;
- }
+ dst = term.c.x;
+ src = term.c.x + n;
+ size = term.col - src;
+ line = term.line[term.c.y];
- memmove(&term.line[term.c.y][dst], &term.line[term.c.y][src],
- size * sizeof(Glyph));
+ memmove(&line[dst], &line[src], size * sizeof(Glyph));
tclearregion(term.col-n, term.c.y, term.col-1, term.c.y);
}
void
tinsertblank(int n) {
- int src = term.c.x;
- int dst = src + n;
- int size = term.col - dst;
+ int dst, src, size;
+ Glyph *line;
- term.dirty[term.c.y] = 1;
+ LIMIT(n, 0, term.col - term.c.x);
- if(dst >= term.col) {
- tclearregion(term.c.x, term.c.y, term.col-1, term.c.y);
- return;
- }
+ dst = term.c.x + n;
+ src = term.c.x;
+ size = term.col - dst;
+ line = term.line[term.c.y];
- memmove(&term.line[term.c.y][dst], &term.line[term.c.y][src],
- size * sizeof(Glyph));
+ memmove(&line[dst], &line[src], size * sizeof(Glyph));
tclearregion(src, term.c.y, dst - 1, term.c.y);
}
void
tinsertblankline(int n) {
- if(term.c.y < term.top || term.c.y > term.bot)
- return;
-
- tscrolldown(term.c.y, n);
+ if(BETWEEN(term.c.y, term.top, term.bot))
+ tscrolldown(term.c.y, n);
}
void
tdeleteline(int n) {
- if(term.c.y < term.top || term.c.y > term.bot)
- return;
-
- tscrollup(term.c.y, n);
+ if(BETWEEN(term.c.y, term.top, term.bot))
+ tscrollup(term.c.y, n);
}
int32_t
term.bot = b;
}
-#define MODBIT(x, set, bit) ((set) ? ((x) |= (bit)) : ((x) &= ~(bit)))
-
void
tsetmode(bool priv, bool set, int *args, int narg) {
int *lim, mode;
MODBIT(term.mode, set, MODE_8BIT);
break;
case 1049: /* swap screen & set/restore cursor as xterm */
+ if (!allowaltscreen)
+ break;
tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
+ /* FALLTHRU */
case 47: /* swap screen */
case 1047:
if (!allowaltscreen)
}
void
-tdumpsel(void)
-{
+tdumpsel(void) {
char *ptr;
if((ptr = getsel())) {
for(; len > 0; buf++, len--) {
char c = *buf;
- if(c == '\033') { /* escape */
- tputc("^", 1);
- tputc("[", 1);
- } else if(c < '\x20') { /* control code */
+ if(c < 0x20 || c == 0177) { /* control code */
if(c != '\n' && c != '\r' && c != '\t') {
- c |= '\x40';
+ c ^= '\x40';
tputc("^", 1);
}
tputc(&c, 1);
void
tselcs(void) {
- if (term.trantbl[term.charset] == CS_GRAPHIC0)
- term.c.attr.mode |= ATTR_GFX;
- else
- term.c.attr.mode &= ~ATTR_GFX;
+ MODBIT(term.c.attr.mode,
+ term.trantbl[term.charset] == CS_GRAPHIC0,
+ ATTR_GFX);
}
void
xw.netwmpid = XInternAtom(xw.dpy, "_NET_WM_PID", False);
XChangeProperty(xw.dpy, xw.win, xw.netwmpid, XA_CARDINAL, 32,
- PropModeReplace, (unsigned char *)&thispid, 1);
+ PropModeReplace, (uchar *)&thispid, 1);
xresettitle();
XMapWindow(xw.dpy, xw.win);
FcCharSet *fccharset;
Colour *fg, *bg, *temp, revfg, revbg, truefg, truebg;
XRenderColor colfg, colbg;
- Rectangle r;
+ XRectangle r;
int oneatatime;
frcflags = FRC_NORMAL;
if(select(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, tv) < 0) {
if(errno == EINTR)
continue;
- die("select failed: %s\n", SERRNO);
+ die("select failed: %s\n", strerror(errno));
}
if(FD_ISSET(cmdfd, &rfd)) {
ttyread();
void
usage(void) {
- die("%s " VERSION " (c) 2010-2013 st engineers\n" \
+ die("%s " VERSION " (c) 2010-2014 st engineers\n" \
"usage: st [-a] [-v] [-c class] [-f font] [-g geometry] [-o file]" \
" [-t title] [-w windowid] [-e command ...]\n", argv0);
}
Got questions, comments, patches, etc.? Contact Jason Woofenden