#include <locale.h>
#include <pwd.h>
#include <stdarg.h>
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define XK_SWITCH_MOD (1<<13)
/* macros */
-#define MIN(a, b) ((a) < (b) ? (a) : (b))
-#define MAX(a, b) ((a) < (b) ? (b) : (a))
-#define LEN(a) (sizeof(a) / sizeof(a)[0])
-#define DEFAULT(a, b) (a) = (a) ? (a) : (b)
-#define BETWEEN(x, a, b) ((a) <= (x) && (x) <= (b))
-#define 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) (BETWEEN(u, 0, 127) && strchr(worddelimiters, u) != NULL)
-#define LIMIT(x, a, b) (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x)
-#define ATTRCMP(a, b) ((a).mode != (b).mode || (a).fg != (b).fg || (a).bg != (b).bg)
-#define IS_SET(flag) ((term.mode & (flag)) != 0)
-#define TIMEDIFF(t1, t2) ((t1.tv_sec-t2.tv_sec)*1000 + (t1.tv_nsec-t2.tv_nsec)/1E6)
-#define MODBIT(x, set, bit) ((set) ? ((x) |= (bit)) : ((x) &= ~(bit)))
-
-#define TRUECOLOR(r,g,b) (1 << 24 | (r) << 16 | (g) << 8 | (b))
-#define IS_TRUECOL(x) (1 << 24 & (x))
-#define TRUERED(x) (((x) & 0xff0000) >> 8)
-#define TRUEGREEN(x) (((x) & 0xff00))
-#define TRUEBLUE(x) (((x) & 0xff) << 8)
+#define MIN(a, b) ((a) < (b) ? (a) : (b))
+#define MAX(a, b) ((a) < (b) ? (b) : (a))
+#define LEN(a) (sizeof(a) / sizeof(a)[0])
+#define DEFAULT(a, b) (a) = (a) ? (a) : (b)
+#define BETWEEN(x, a, b) ((a) <= (x) && (x) <= (b))
+#define 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)
enum glyph_attribute {
typedef struct {
Rune u; /* character code */
ushort mode; /* attribute flags */
- ushort fg; /* foreground */
- ushort bg; /* background */
+ uint32_t fg; /* foreground */
+ uint32_t bg; /* background */
} Glyph;
typedef Glyph *Line;
int col; /* nb col */
Line *line; /* screen */
Line *alt; /* alternate screen */
- bool *dirty; /* dirtyness of lines */
+ int *dirty; /* dirtyness of lines */
XftGlyphFontSpec *specbuf; /* font spec buffer used for rendering */
TCursor c; /* cursor */
int top; /* top scroll limit */
char trantbl[4]; /* charset table translation */
int charset; /* current charset */
int icharset; /* selected charset for sequence */
- bool numlock; /* lock numbers in keyboard */
- bool *tabs;
+ int numlock; /* lock numbers in keyboard */
+ int *tabs;
} Term;
/* Purely graphic info */
Visual *vis;
XSetWindowAttributes attrs;
int scr;
- bool isfixed; /* is fixed geometry? */
+ int isfixed; /* is fixed geometry? */
int l, t; /* left and top offset */
int gm; /* geometry mask */
int tw, th; /* tty width and height */
char *primary, *clipboard;
Atom xtarget;
- bool alt;
+ int alt;
struct timespec tclick1;
struct timespec tclick2;
} Selection;
static void tswapscreen(void);
static void tsetdirt(int, int);
static void tsetdirtattr(int);
-static void tsetmode(bool, bool, int *, int);
+static void tsetmode(int, int, int *, int);
static void tfulldirt(void);
static void techo(Rune);
static void tcontrolcode(uchar );
static void tdectest(char );
static int32_t tdefcolor(int *, int *, int);
static void tdeftran(char);
-static inline bool match(uint, uint);
+static inline int match(uint, uint);
static void ttynew(void);
static void ttyread(void);
static void ttyresize(void);
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 bool selected(int, int);
+static inline int selected(int, int);
static char *getsel(void);
static void selcopy(Time);
static void selscroll(int, int);
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);
*/
/* [SelectionClear] = selclear, */
[SelectionNotify] = selnotify,
+/*
+ * PropertyNotify is only turned on when there is some INCR transfer happening
+ * for the selection retrieval.
+ */
+ [PropertyNotify] = propnotify,
[SelectionRequest] = selrequest,
};
static int cmdfd;
static pid_t pid;
static Selection sel;
-static int iofd = STDOUT_FILENO;
+static int iofd = 1;
static char **opt_cmd = NULL;
static char *opt_io = NULL;
static char *opt_title = NULL;
static int frclen = 0;
ssize_t
-xwrite(int fd, const char *s, size_t len) {
- size_t aux = len;
+xwrite(int fd, const char *s, size_t len)
+{
+ size_t aux = len, r;
- while(len > 0) {
- ssize_t r = write(fd, s, len);
- if(r < 0)
+ while (len > 0) {
+ r = write(fd, s, len);
+ if (r < 0)
return r;
len -= r;
s += r;
}
void *
-xmalloc(size_t len) {
+xmalloc(size_t len)
+{
void *p = malloc(len);
- if(!p)
+ if (!p)
die("Out of memory\n");
return p;
}
void *
-xrealloc(void *p, size_t len) {
- if((p = realloc(p, len)) == NULL)
+xrealloc(void *p, size_t len)
+{
+ if ((p = realloc(p, len)) == NULL)
die("Out of memory\n");
return p;
}
char *
-xstrdup(char *s) {
- if((s = strdup(s)) == NULL)
+xstrdup(char *s)
+{
+ if ((s = strdup(s)) == NULL)
die("Out of memory\n");
return s;
}
size_t
-utf8decode(char *c, Rune *u, size_t clen) {
+utf8decode(char *c, Rune *u, size_t clen)
+{
size_t i, j, len, type;
Rune udecoded;
*u = UTF_INVALID;
- if(!clen)
+ if (!clen)
return 0;
udecoded = utf8decodebyte(c[0], &len);
- if(!BETWEEN(len, 1, UTF_SIZ))
+ if (!BETWEEN(len, 1, UTF_SIZ))
return 1;
- for(i = 1, j = 1; i < clen && j < len; ++i, ++j) {
+ for (i = 1, j = 1; i < clen && j < len; ++i, ++j) {
udecoded = (udecoded << 6) | utf8decodebyte(c[i], &type);
- if(type != 0)
+ if (type != 0)
return j;
}
- if(j < len)
+ if (j < len)
return 0;
*u = udecoded;
utf8validate(u, len);
}
Rune
-utf8decodebyte(char c, size_t *i) {
- for(*i = 0; *i < LEN(utfmask); ++(*i))
- if(((uchar)c & utfmask[*i]) == utfbyte[*i])
+utf8decodebyte(char c, size_t *i)
+{
+ for (*i = 0; *i < LEN(utfmask); ++(*i))
+ if (((uchar)c & utfmask[*i]) == utfbyte[*i])
return (uchar)c & ~utfmask[*i];
return 0;
}
size_t
-utf8encode(Rune u, char *c) {
+utf8encode(Rune u, char *c)
+{
size_t len, i;
len = utf8validate(&u, 0);
- if(len > UTF_SIZ)
+ if (len > UTF_SIZ)
return 0;
- for(i = len - 1; i != 0; --i) {
+ for (i = len - 1; i != 0; --i) {
c[i] = utf8encodebyte(u, 0);
u >>= 6;
}
}
char
-utf8encodebyte(Rune u, size_t i) {
+utf8encodebyte(Rune u, size_t i)
+{
return utfbyte[i] | (u & ~utfmask[i]);
}
+char *
+utf8strchr(char *s, Rune u)
+{
+ Rune r;
+ size_t i, j, len;
+
+ len = strlen(s);
+ for (i = 0, j = 0; i < len; i += j) {
+ if (!(j = utf8decode(&s[i], &r, len - i)))
+ break;
+ if (r == u)
+ return &(s[i]);
+ }
+ return NULL;
+}
+
size_t
-utf8validate(Rune *u, size_t i) {
- if(!BETWEEN(*u, utfmin[i], utfmax[i]) || BETWEEN(*u, 0xD800, 0xDFFF))
+utf8validate(Rune *u, size_t i)
+{
+ if (!BETWEEN(*u, utfmin[i], utfmax[i]) || BETWEEN(*u, 0xD800, 0xDFFF))
*u = UTF_INVALID;
- for(i = 1; *u > utfmax[i]; ++i)
+ for (i = 1; *u > utfmax[i]; ++i)
;
return i;
}
void
-selinit(void) {
+selinit(void)
+{
memset(&sel.tclick1, 0, sizeof(sel.tclick1));
memset(&sel.tclick2, 0, sizeof(sel.tclick2));
sel.mode = SEL_IDLE;
sel.primary = NULL;
sel.clipboard = NULL;
sel.xtarget = XInternAtom(xw.dpy, "UTF8_STRING", 0);
- if(sel.xtarget == None)
+ if (sel.xtarget == None)
sel.xtarget = XA_STRING;
}
int
-x2col(int x) {
+x2col(int x)
+{
x -= borderpx;
x /= xw.cw;
}
int
-y2row(int y) {
+y2row(int y)
+{
y -= borderpx;
y /= xw.ch;
}
int
-tlinelen(int y) {
+tlinelen(int y)
+{
int i = term.col;
- if(term.line[y][i - 1].mode & ATTR_WRAP)
+ if (term.line[y][i - 1].mode & ATTR_WRAP)
return i;
- while(i > 0 && term.line[y][i - 1].u == ' ')
+ while (i > 0 && term.line[y][i - 1].u == ' ')
--i;
return i;
}
void
-selnormalize(void) {
+selnormalize(void)
+{
int i;
- if(sel.type == SEL_REGULAR && sel.ob.y != sel.oe.y) {
+ if (sel.type == SEL_REGULAR && sel.ob.y != sel.oe.y) {
sel.nb.x = sel.ob.y < sel.oe.y ? sel.ob.x : sel.oe.x;
sel.ne.x = sel.ob.y < sel.oe.y ? sel.oe.x : sel.ob.x;
} else {
sel.ne.x = term.col - 1;
}
-bool
-selected(int x, int y) {
- if(sel.mode == SEL_EMPTY)
- return false;
+int
+selected(int x, int y)
+{
+ if (sel.mode == SEL_EMPTY)
+ return 0;
- if(sel.type == SEL_RECTANGULAR)
+ if (sel.type == SEL_RECTANGULAR)
return BETWEEN(y, sel.nb.y, sel.ne.y)
&& BETWEEN(x, sel.nb.x, sel.ne.x);
}
void
-selsnap(int *x, int *y, int direction) {
+selsnap(int *x, int *y, int direction)
+{
int newx, newy, xt, yt;
- bool delim, prevdelim;
+ int delim, prevdelim;
Glyph *gp, *prevgp;
- switch(sel.snap) {
+ switch (sel.snap) {
case SNAP_WORD:
/*
* Snap around if the word wraps around at the end or
*/
prevgp = &term.line[*y][*x];
prevdelim = ISDELIM(prevgp->u);
- for(;;) {
+ for (;;) {
newx = *x + direction;
newy = *y;
- if(!BETWEEN(newx, 0, term.col - 1)) {
+ if (!BETWEEN(newx, 0, term.col - 1)) {
newy += direction;
newx = (newx + term.col) % term.col;
if (!BETWEEN(newy, 0, term.row - 1))
break;
- if(direction > 0)
+ if (direction > 0)
yt = *y, xt = *x;
else
yt = newy, xt = newx;
- if(!(term.line[yt][xt].mode & ATTR_WRAP))
+ if (!(term.line[yt][xt].mode & ATTR_WRAP))
break;
}
gp = &term.line[newy][newx];
delim = ISDELIM(gp->u);
- if(!(gp->mode & ATTR_WDUMMY) && (delim != prevdelim
+ if (!(gp->mode & ATTR_WDUMMY) && (delim != prevdelim
|| (delim && gp->u != prevgp->u)))
break;
* previous line will be selected.
*/
*x = (direction < 0) ? 0 : term.col - 1;
- if(direction < 0) {
- for(; *y > 0; *y += direction) {
- if(!(term.line[*y-1][term.col-1].mode
+ if (direction < 0) {
+ for (; *y > 0; *y += direction) {
+ if (!(term.line[*y-1][term.col-1].mode
& ATTR_WRAP)) {
break;
}
}
- } else if(direction > 0) {
- for(; *y < term.row-1; *y += direction) {
- if(!(term.line[*y][term.col-1].mode
+ } else if (direction > 0) {
+ for (; *y < term.row-1; *y += direction) {
+ if (!(term.line[*y][term.col-1].mode
& ATTR_WRAP)) {
break;
}
}
void
-getbuttoninfo(XEvent *e) {
+getbuttoninfo(XEvent *e)
+{
int type;
uint state = e->xbutton.state & ~(Button1Mask | forceselmod);
selnormalize();
sel.type = SEL_REGULAR;
- for(type = 1; type < LEN(selmasks); ++type) {
- if(match(selmasks[type], state)) {
+ for (type = 1; type < LEN(selmasks); ++type) {
+ if (match(selmasks[type], state)) {
sel.type = type;
break;
}
}
void
-mousereport(XEvent *e) {
+mousereport(XEvent *e)
+{
int x = x2col(e->xbutton.x), y = y2row(e->xbutton.y),
button = e->xbutton.button, state = e->xbutton.state,
len;
static int ox, oy;
/* from urxvt */
- if(e->xbutton.type == MotionNotify) {
- if(x == ox && y == oy)
+ if (e->xbutton.type == MotionNotify) {
+ if (x == ox && y == oy)
return;
- if(!IS_SET(MODE_MOUSEMOTION) && !IS_SET(MODE_MOUSEMANY))
+ 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)
+ 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) {
+ if (!IS_SET(MODE_MOUSESGR) && e->xbutton.type == ButtonRelease) {
button = 3;
} else {
button -= Button1;
- if(button >= 3)
+ if (button >= 3)
button += 64 - 3;
}
- if(e->xbutton.type == ButtonPress) {
+ if (e->xbutton.type == ButtonPress) {
oldbutton = button;
ox = x;
oy = y;
- } else if(e->xbutton.type == ButtonRelease) {
+ } else if (e->xbutton.type == ButtonRelease) {
oldbutton = 3;
/* MODE_MOUSEX10: no button release reporting */
- if(IS_SET(MODE_MOUSEX10))
+ if (IS_SET(MODE_MOUSEX10))
return;
if (button == 64 || button == 65)
return;
}
}
- if(!IS_SET(MODE_MOUSEX10)) {
+ if (!IS_SET(MODE_MOUSEX10)) {
button += ((state & ShiftMask ) ? 4 : 0)
+ ((state & Mod4Mask ) ? 8 : 0)
+ ((state & ControlMask) ? 16 : 0);
}
- if(IS_SET(MODE_MOUSESGR)) {
+ 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) {
+ } 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 {
}
void
-bpress(XEvent *e) {
+bpress(XEvent *e)
+{
struct timespec now;
Mousekey *mk;
- if(IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
+ if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
mousereport(e);
return;
}
- for(mk = mshortcuts; mk < mshortcuts + LEN(mshortcuts); mk++) {
- if(e->xbutton.button == mk->b
+ for (mk = mshortcuts; mk < mshortcuts + LEN(mshortcuts); mk++) {
+ if (e->xbutton.button == mk->b
&& match(mk->mask, e->xbutton.state)) {
ttysend(mk->s, strlen(mk->s));
return;
}
}
- if(e->xbutton.button == Button1) {
+ if (e->xbutton.button == Button1) {
clock_gettime(CLOCK_MONOTONIC, &now);
/* Clear previous selection, logically and visually. */
* If the user clicks below predefined timeouts specific
* snapping behaviour is exposed.
*/
- if(TIMEDIFF(now, sel.tclick2) <= tripleclicktimeout) {
+ if (TIMEDIFF(now, sel.tclick2) <= tripleclicktimeout) {
sel.snap = SNAP_LINE;
- } else if(TIMEDIFF(now, sel.tclick1) <= doubleclicktimeout) {
+ } else if (TIMEDIFF(now, sel.tclick1) <= doubleclicktimeout) {
sel.snap = SNAP_WORD;
} else {
sel.snap = 0;
}
selnormalize();
- if(sel.snap != 0)
+ if (sel.snap != 0)
sel.mode = SEL_READY;
tsetdirt(sel.nb.y, sel.ne.y);
sel.tclick2 = sel.tclick1;
}
char *
-getsel(void) {
+getsel(void)
+{
char *str, *ptr;
int y, bufsize, lastx, linelen;
Glyph *gp, *last;
- if(sel.ob.x == -1)
+ if (sel.ob.x == -1)
return NULL;
bufsize = (term.col+1) * (sel.ne.y-sel.nb.y+1) * UTF_SIZ;
ptr = str = xmalloc(bufsize);
/* append every set & selected glyph to the selection */
- for(y = sel.nb.y; y <= sel.ne.y; y++) {
+ for (y = sel.nb.y; y <= sel.ne.y; y++) {
linelen = tlinelen(y);
- if(sel.type == SEL_RECTANGULAR) {
+ if (sel.type == SEL_RECTANGULAR) {
gp = &term.line[y][sel.nb.x];
lastx = sel.ne.x;
} else {
lastx = (sel.ne.y == y) ? sel.ne.x : term.col-1;
}
last = &term.line[y][MIN(lastx, linelen-1)];
- while(last >= gp && last->u == ' ')
+ while (last >= gp && last->u == ' ')
--last;
- for( ; gp <= last; ++gp) {
- if(gp->mode & ATTR_WDUMMY)
+ for ( ; gp <= last; ++gp) {
+ if (gp->mode & ATTR_WDUMMY)
continue;
ptr += utf8encode(gp->u, ptr);
* 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))
*ptr++ = '\n';
}
*ptr = 0;
}
void
-selcopy(Time t) {
+selcopy(Time t)
+{
xsetsel(getsel(), t);
}
void
-selnotify(XEvent *e) {
+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;
- XSelectionEvent *xsev;
+ Atom type, incratom, property;
+
+ incratom = XInternAtom(xw.dpy, "INCR", 0);
ofs = 0;
- xsev = &e->xselection;
- if (xsev->property == None)
- return;
+ 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, xsev->property, ofs,
+ if (XGetWindowProperty(xw.dpy, xw.win, property, ofs,
BUFSIZ/4, False, AnyPropertyType,
&type, &format, &nitems, &rem,
&data)) {
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
*/
repl = data;
last = data + nitems * format / 8;
- while((repl = memchr(repl, '\n', last - repl))) {
+ while ((repl = memchr(repl, '\n', last - repl))) {
*repl++ = '\r';
}
- if(IS_SET(MODE_BRCKTPASTE))
+ if (IS_SET(MODE_BRCKTPASTE))
ttywrite("\033[200~", 6);
ttysend((char *)data, nitems * format / 8);
- if(IS_SET(MODE_BRCKTPASTE))
+ if (IS_SET(MODE_BRCKTPASTE))
ttywrite("\033[201~", 6);
XFree(data);
/* number of 32-bit chunks returned */
ofs += nitems * format / 32;
- } while(rem > 0);
+ } while (rem > 0);
+
+ /*
+ * Deleting the property again tells the selection owner to send the
+ * next data chunk in the property.
+ */
+ if (e->type == PropertyNotify)
+ XDeleteProperty(xw.dpy, xw.win, (int)property);
}
void
-selpaste(const Arg *dummy) {
+selpaste(const Arg *dummy)
+{
XConvertSelection(xw.dpy, XA_PRIMARY, sel.xtarget, XA_PRIMARY,
xw.win, CurrentTime);
}
void
-clipcopy(const Arg *dummy) {
+clipcopy(const Arg *dummy)
+{
Atom clipboard;
- if(sel.clipboard != NULL)
+ if (sel.clipboard != NULL)
free(sel.clipboard);
- if(sel.primary != NULL) {
+ if (sel.primary != NULL) {
sel.clipboard = xstrdup(sel.primary);
clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
XSetSelectionOwner(xw.dpy, clipboard, xw.win, CurrentTime);
}
void
-clippaste(const Arg *dummy) {
+clippaste(const Arg *dummy)
+{
Atom clipboard;
clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
}
void
-selclear(XEvent *e) {
- if(sel.ob.x == -1)
+selclear(XEvent *e)
+{
+ if (sel.ob.x == -1)
return;
+ sel.mode = SEL_IDLE;
sel.ob.x = -1;
tsetdirt(sel.nb.y, sel.ne.y);
}
void
-selrequest(XEvent *e) {
+selrequest(XEvent *e)
+{
XSelectionRequestEvent *xsre;
XSelectionEvent xev;
Atom xa_targets, string, clipboard;
xev.property = None;
xa_targets = XInternAtom(xw.dpy, "TARGETS", 0);
- if(xsre->target == xa_targets) {
+ 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) {
+ } 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) {
+ if (xsre->selection == XA_PRIMARY) {
seltext = sel.primary;
- } else if(xsre->selection == clipboard) {
+ } else if (xsre->selection == clipboard) {
seltext = sel.clipboard;
} else {
fprintf(stderr,
xsre->selection);
return;
}
- if(seltext != NULL) {
+ if (seltext != NULL) {
XChangeProperty(xsre->display, xsre->requestor,
xsre->property, xsre->target,
8, PropModeReplace,
}
/* all done, send a notification to the listener */
- if(!XSendEvent(xsre->display, xsre->requestor, True, 0, (XEvent *) &xev))
+ if (!XSendEvent(xsre->display, xsre->requestor, 1, 0, (XEvent *) &xev))
fprintf(stderr, "Error sending SelectionNotify event\n");
}
void
-xsetsel(char *str, Time t) {
+xsetsel(char *str, Time t)
+{
free(sel.primary);
sel.primary = str;
}
void
-brelease(XEvent *e) {
- if(IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
+brelease(XEvent *e)
+{
+ if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
mousereport(e);
return;
}
- if(e->xbutton.button == Button2) {
+ if (e->xbutton.button == Button2) {
selpaste(NULL);
- } else if(e->xbutton.button == Button1) {
- if(sel.mode == SEL_READY) {
+ } else if (e->xbutton.button == Button1) {
+ if (sel.mode == SEL_READY) {
getbuttoninfo(e);
selcopy(e->xbutton.time);
} else
}
void
-bmotion(XEvent *e) {
+bmotion(XEvent *e)
+{
int oldey, oldex, oldsby, oldsey;
- if(IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
+ if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
mousereport(e);
return;
}
- if(!sel.mode)
+ if (!sel.mode)
return;
sel.mode = SEL_READY;
oldsey = sel.ne.y;
getbuttoninfo(e);
- if(oldey != sel.oe.y || oldex != sel.oe.x)
+ 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, ...) {
+die(const char *errstr, ...)
+{
va_list ap;
va_start(ap, errstr);
vfprintf(stderr, errstr, ap);
va_end(ap);
- exit(EXIT_FAILURE);
+ exit(1);
}
void
-execsh(void) {
+execsh(void)
+{
char **args, *sh, *prog;
const struct passwd *pw;
char buf[sizeof(long) * 8 + 1];
errno = 0;
- if((pw = getpwuid(getuid())) == NULL) {
- if(errno)
+ if ((pw = getpwuid(getuid())) == NULL) {
+ if (errno)
die("getpwuid:%s\n", strerror(errno));
else
die("who are you?\n");
sh = (pw->pw_shell[0]) ? pw->pw_shell : shell;
}
- if(opt_cmd)
+ if (opt_cmd)
prog = opt_cmd[0];
- else if(utmp)
+ else if (utmp)
prog = utmp;
else
prog = sh;
signal(SIGALRM, SIG_DFL);
execvp(prog, args);
- _exit(EXIT_FAILURE);
+ _exit(1);
}
void
-sigchld(int a) {
- int stat, ret;
+sigchld(int a)
+{
+ int stat;
pid_t p;
- if((p = waitpid(pid, &stat, WNOHANG)) < 0)
+ if ((p = waitpid(pid, &stat, WNOHANG)) < 0)
die("Waiting for pid %hd failed: %s\n", pid, strerror(errno));
- if(pid != p)
+ if (pid != p)
return;
- ret = WIFEXITED(stat) ? WEXITSTATUS(stat) : EXIT_FAILURE;
- if (ret != EXIT_SUCCESS)
+ if (!WIFEXITED(stat) || WEXITSTATUS(stat))
die("child finished with error '%d'\n", stat);
- exit(EXIT_SUCCESS);
+ exit(0);
}
char cmd[_POSIX_ARG_MAX], **p, *q, *s;
size_t n, siz;
- if((n = strlen(stty_args)) > sizeof(cmd)-1)
+ if ((n = strlen(stty_args)) > sizeof(cmd)-1)
die("incorrect stty parameters\n");
memcpy(cmd, stty_args, n);
q = cmd + n;
siz = sizeof(cmd) - n;
- for(p = opt_cmd; p && (s = *p); ++p) {
- if((n = strlen(s)) > siz-1)
+ for (p = opt_cmd; p && (s = *p); ++p) {
+ if ((n = strlen(s)) > siz-1)
die("stty parameter length too long\n");
*q++ = ' ';
q = memcpy(q, s, n);
}
void
-ttynew(void) {
+ttynew(void)
+{
int m, s;
struct winsize w = {term.row, term.col, 0, 0};
- if(opt_io) {
+ if (opt_io) {
term.mode |= MODE_PRINT;
iofd = (!strcmp(opt_io, "-")) ?
- STDOUT_FILENO :
- open(opt_io, O_WRONLY | O_CREAT, 0666);
- if(iofd < 0) {
+ 1 : open(opt_io, O_WRONLY | O_CREAT, 0666);
+ if (iofd < 0) {
fprintf(stderr, "Error opening %s:%s\n",
opt_io, strerror(errno));
}
}
if (opt_line) {
- if((cmdfd = open(opt_line, O_RDWR)) < 0)
+ if ((cmdfd = open(opt_line, O_RDWR)) < 0)
die("open line failed: %s\n", strerror(errno));
- close(STDIN_FILENO);
+ close(0);
dup(cmdfd);
stty();
return;
}
/* seems to work fine on linux, openbsd and freebsd */
- if(openpty(&m, &s, NULL, NULL, &w) < 0)
+ if (openpty(&m, &s, NULL, NULL, &w) < 0)
die("openpty failed: %s\n", strerror(errno));
- switch(pid = fork()) {
+ switch (pid = fork()) {
case -1:
die("fork failed\n");
break;
case 0:
close(iofd);
setsid(); /* create a new process group */
- dup2(s, STDIN_FILENO);
- dup2(s, STDOUT_FILENO);
- dup2(s, STDERR_FILENO);
- if(ioctl(s, TIOCSCTTY, NULL) < 0)
+ dup2(s, 0);
+ dup2(s, 1);
+ dup2(s, 2);
+ if (ioctl(s, TIOCSCTTY, NULL) < 0)
die("ioctl TIOCSCTTY failed: %s\n", strerror(errno));
close(s);
close(m);
}
void
-ttyread(void) {
+ttyread(void)
+{
static char buf[BUFSIZ];
static int buflen = 0;
char *ptr;
int ret;
/* append read bytes to unprocessed bytes */
- if((ret = read(cmdfd, buf+buflen, LEN(buf)-buflen)) < 0)
+ if ((ret = read(cmdfd, buf+buflen, LEN(buf)-buflen)) < 0)
die("Couldn't read from shell: %s\n", strerror(errno));
/* process every complete utf8 char */
buflen += ret;
ptr = buf;
- while((charsize = utf8decode(ptr, &unicodep, buflen))) {
+ while ((charsize = utf8decode(ptr, &unicodep, buflen))) {
tputc(unicodep);
ptr += charsize;
buflen -= charsize;
}
void
-ttywrite(const char *s, size_t n) {
- if(xwrite(cmdfd, s, n) == -1)
- die("write error on tty: %s\n", strerror(errno));
+ttywrite(const char *s, size_t n)
+{
+ fd_set wfd;
+ struct timespec tv;
+ ssize_t r;
+
+ /*
+ * Remember that we are using a pty, which might be a modem line.
+ * Writing too much will clog the line. That's why we are doing this
+ * dance.
+ * FIXME: Migrate the world to Plan 9.
+ */
+ while (n > 0) {
+ FD_ZERO(&wfd);
+ FD_SET(cmdfd, &wfd);
+ tv.tv_sec = 0;
+ tv.tv_nsec = 0;
+
+ /* Check if we can write. */
+ if (pselect(cmdfd+1, NULL, &wfd, NULL, &tv, NULL) < 0) {
+ if (errno == EINTR)
+ continue;
+ die("select failed: %s\n", strerror(errno));
+ }
+ if(!FD_ISSET(cmdfd, &wfd)) {
+ /* No, then free some buffer space. */
+ ttyread();
+ } else {
+ /*
+ * Only write 256 bytes at maximum. This seems to be a
+ * reasonable value for a serial line. Bigger values
+ * might clog the I/O.
+ */
+ r = write(cmdfd, s, (n < 256)? n : 256);
+ if (r < 0) {
+ die("write error on tty: %s\n",
+ strerror(errno));
+ }
+ if (r < n) {
+ /*
+ * We weren't able to write out everything.
+ * This means the buffer is getting full
+ * again. Empty it.
+ */
+ ttyread();
+ n -= r;
+ s += r;
+ } else {
+ /* All bytes have been written. */
+ break;
+ }
+ }
+ }
}
void
-ttysend(char *s, size_t n) {
+ttysend(char *s, size_t n)
+{
int len;
Rune u;
ttywrite(s, n);
- if(IS_SET(MODE_ECHO))
- while((len = utf8decode(s, &u, n)) > 0) {
+ if (IS_SET(MODE_ECHO))
+ while ((len = utf8decode(s, &u, n)) > 0) {
techo(u);
n -= len;
s += len;
}
void
-ttyresize(void) {
+ttyresize(void)
+{
struct winsize w;
w.ws_row = term.row;
w.ws_col = term.col;
w.ws_xpixel = xw.tw;
w.ws_ypixel = xw.th;
- if(ioctl(cmdfd, TIOCSWINSZ, &w) < 0)
+ if (ioctl(cmdfd, TIOCSWINSZ, &w) < 0)
fprintf(stderr, "Couldn't set window size: %s\n", strerror(errno));
}
int
-tattrset(int attr) {
+tattrset(int attr)
+{
int i, j;
- for(i = 0; i < term.row-1; i++) {
- for(j = 0; j < term.col-1; j++) {
- if(term.line[i][j].mode & attr)
+ for (i = 0; i < term.row-1; i++) {
+ for (j = 0; j < term.col-1; j++) {
+ if (term.line[i][j].mode & attr)
return 1;
}
}
}
void
-tsetdirt(int top, int bot) {
+tsetdirt(int top, int bot)
+{
int i;
LIMIT(top, 0, term.row-1);
LIMIT(bot, 0, term.row-1);
- for(i = top; i <= bot; i++)
+ for (i = top; i <= bot; i++)
term.dirty[i] = 1;
}
void
-tsetdirtattr(int attr) {
+tsetdirtattr(int attr)
+{
int i, j;
- for(i = 0; i < term.row-1; i++) {
- for(j = 0; j < term.col-1; j++) {
- if(term.line[i][j].mode & attr) {
+ for (i = 0; i < term.row-1; i++) {
+ for (j = 0; j < term.col-1; j++) {
+ if (term.line[i][j].mode & attr) {
tsetdirt(i, i);
break;
}
}
void
-tfulldirt(void) {
+tfulldirt(void)
+{
tsetdirt(0, term.row-1);
}
void
-tcursor(int mode) {
+tcursor(int mode)
+{
static TCursor c[2];
- bool alt = IS_SET(MODE_ALTSCREEN);
+ int alt = IS_SET(MODE_ALTSCREEN);
- if(mode == CURSOR_SAVE) {
+ if (mode == CURSOR_SAVE) {
c[alt] = term.c;
- } else if(mode == CURSOR_LOAD) {
+ } else if (mode == CURSOR_LOAD) {
term.c = c[alt];
tmoveto(c[alt].x, c[alt].y);
}
}
void
-treset(void) {
+treset(void)
+{
uint i;
term.c = (TCursor){{
}, .x = 0, .y = 0, .state = CURSOR_DEFAULT};
memset(term.tabs, 0, term.col * sizeof(*term.tabs));
- for(i = tabspaces; i < term.col; i += tabspaces)
+ for (i = tabspaces; i < term.col; i += tabspaces)
term.tabs[i] = 1;
term.top = 0;
term.bot = term.row - 1;
memset(term.trantbl, CS_USA, sizeof(term.trantbl));
term.charset = 0;
- for(i = 0; i < 2; i++) {
+ for (i = 0; i < 2; i++) {
tmoveto(0, 0);
tcursor(CURSOR_SAVE);
tclearregion(0, 0, term.col-1, term.row-1);
}
void
-tnew(int col, int row) {
+tnew(int col, int row)
+{
term = (Term){ .c = { .attr = { .fg = defaultfg, .bg = defaultbg } } };
tresize(col, row);
term.numlock = 1;
}
void
-tswapscreen(void) {
+tswapscreen(void)
+{
Line *tmp = term.line;
term.line = term.alt;
}
void
-tscrolldown(int orig, int n) {
+tscrolldown(int orig, int n)
+{
int i;
Line temp;
tsetdirt(orig, term.bot-n);
tclearregion(0, term.bot-n+1, term.col-1, term.bot);
- for(i = term.bot; i >= orig+n; i--) {
+ for (i = term.bot; i >= orig+n; i--) {
temp = term.line[i];
term.line[i] = term.line[i-n];
term.line[i-n] = temp;
}
void
-tscrollup(int orig, int n) {
+tscrollup(int orig, int n)
+{
int i;
Line temp;
tclearregion(0, orig, term.col-1, orig+n-1);
tsetdirt(orig+n, term.bot);
- for(i = orig; i <= term.bot-n; i++) {
+ for (i = orig; i <= term.bot-n; i++) {
temp = term.line[i];
term.line[i] = term.line[i+n];
term.line[i+n] = temp;
}
void
-selscroll(int orig, int n) {
- if(sel.ob.x == -1)
+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.ob.y, orig, term.bot) || BETWEEN(sel.oe.y, orig, term.bot)) {
+ if ((sel.ob.y += n) > term.bot || (sel.oe.y += n) < term.top) {
selclear(NULL);
return;
}
- if(sel.type == SEL_RECTANGULAR) {
- if(sel.ob.y < term.top)
+ if (sel.type == SEL_RECTANGULAR) {
+ if (sel.ob.y < term.top)
sel.ob.y = term.top;
- if(sel.oe.y > term.bot)
+ if (sel.oe.y > term.bot)
sel.oe.y = term.bot;
} else {
- if(sel.ob.y < term.top) {
+ if (sel.ob.y < term.top) {
sel.ob.y = term.top;
sel.ob.x = 0;
}
- if(sel.oe.y > term.bot) {
+ if (sel.oe.y > term.bot) {
sel.oe.y = term.bot;
sel.oe.x = term.col;
}
}
void
-tnewline(int first_col) {
+tnewline(int first_col)
+{
int y = term.c.y;
- if(y == term.bot) {
+ if (y == term.bot) {
tscrollup(term.top, 1);
} else {
y++;
}
void
-csiparse(void) {
+csiparse(void)
+{
char *p = csiescseq.buf, *np;
long int v;
csiescseq.narg = 0;
- if(*p == '?') {
+ if (*p == '?') {
csiescseq.priv = 1;
p++;
}
csiescseq.buf[csiescseq.len] = '\0';
- while(p < csiescseq.buf+csiescseq.len) {
+ while (p < csiescseq.buf+csiescseq.len) {
np = NULL;
v = strtol(p, &np, 10);
- if(np == p)
+ if (np == p)
v = 0;
- if(v == LONG_MAX || v == LONG_MIN)
+ if (v == LONG_MAX || v == LONG_MIN)
v = -1;
csiescseq.arg[csiescseq.narg++] = v;
p = np;
- if(*p != ';' || csiescseq.narg == ESC_ARG_SIZ)
+ if (*p != ';' || csiescseq.narg == ESC_ARG_SIZ)
break;
p++;
}
/* for absolute user moves, when decom is set */
void
-tmoveato(int x, int y) {
+tmoveato(int x, int y)
+{
tmoveto(x, y + ((term.c.state & CURSOR_ORIGIN) ? term.top: 0));
}
void
-tmoveto(int x, int y) {
+tmoveto(int x, int y)
+{
int miny, maxy;
- if(term.c.state & CURSOR_ORIGIN) {
+ if (term.c.state & CURSOR_ORIGIN) {
miny = term.top;
maxy = term.bot;
} else {
}
void
-tsetchar(Rune u, Glyph *attr, int x, int y) {
+tsetchar(Rune u, Glyph *attr, int x, int y)
+{
static char *vt100_0[62] = { /* 0x41 - 0x7e */
"↑", "↓", "→", "←", "█", "▚", "☃", /* A - G */
0, 0, 0, 0, 0, 0, 0, 0, /* H - O */
/*
* The table is proudly stolen from rxvt.
*/
- if(term.trantbl[term.charset] == CS_GRAPHIC0 &&
+ if (term.trantbl[term.charset] == CS_GRAPHIC0 &&
BETWEEN(u, 0x41, 0x7e) && vt100_0[u - 0x41])
utf8decode(vt100_0[u - 0x41], &u, UTF_SIZ);
- if(term.line[y][x].mode & ATTR_WIDE) {
- if(x+1 < term.col) {
+ if (term.line[y][x].mode & ATTR_WIDE) {
+ if (x+1 < term.col) {
term.line[y][x+1].u = ' ';
term.line[y][x+1].mode &= ~ATTR_WDUMMY;
}
- } else if(term.line[y][x].mode & ATTR_WDUMMY) {
+ } else if (term.line[y][x].mode & ATTR_WDUMMY) {
term.line[y][x-1].u = ' ';
term.line[y][x-1].mode &= ~ATTR_WIDE;
}
}
void
-tclearregion(int x1, int y1, int x2, int y2) {
+tclearregion(int x1, int y1, int x2, int y2)
+{
int x, y, temp;
Glyph *gp;
- if(x1 > x2)
+ if (x1 > x2)
temp = x1, x1 = x2, x2 = temp;
- if(y1 > y2)
+ if (y1 > y2)
temp = y1, y1 = y2, y2 = temp;
LIMIT(x1, 0, term.col-1);
LIMIT(y1, 0, term.row-1);
LIMIT(y2, 0, term.row-1);
- for(y = y1; y <= y2; y++) {
+ for (y = y1; y <= y2; y++) {
term.dirty[y] = 1;
- for(x = x1; x <= x2; x++) {
+ for (x = x1; x <= x2; x++) {
gp = &term.line[y][x];
- if(selected(x, y))
+ if (selected(x, y))
selclear(NULL);
gp->fg = term.c.attr.fg;
gp->bg = term.c.attr.bg;
}
void
-tdeletechar(int n) {
+tdeletechar(int n)
+{
int dst, src, size;
Glyph *line;
}
void
-tinsertblank(int n) {
+tinsertblank(int n)
+{
int dst, src, size;
Glyph *line;
}
void
-tinsertblankline(int n) {
- if(BETWEEN(term.c.y, term.top, term.bot))
+tinsertblankline(int n)
+{
+ if (BETWEEN(term.c.y, term.top, term.bot))
tscrolldown(term.c.y, n);
}
void
-tdeleteline(int n) {
- if(BETWEEN(term.c.y, term.top, term.bot))
+tdeleteline(int n)
+{
+ if (BETWEEN(term.c.y, term.top, term.bot))
tscrollup(term.c.y, n);
}
int32_t
-tdefcolor(int *attr, int *npar, int l) {
+tdefcolor(int *attr, int *npar, int l)
+{
int32_t idx = -1;
uint r, g, b;
g = attr[*npar + 3];
b = attr[*npar + 4];
*npar += 4;
- if(!BETWEEN(r, 0, 255) || !BETWEEN(g, 0, 255) || !BETWEEN(b, 0, 255))
+ if (!BETWEEN(r, 0, 255) || !BETWEEN(g, 0, 255) || !BETWEEN(b, 0, 255))
fprintf(stderr, "erresc: bad rgb color (%u,%u,%u)\n",
r, g, b);
else
break;
}
*npar += 2;
- if(!BETWEEN(attr[*npar], 0, 255))
+ if (!BETWEEN(attr[*npar], 0, 255))
fprintf(stderr, "erresc: bad fgcolor %d\n", attr[*npar]);
else
idx = attr[*npar];
}
void
-tsetattr(int *attr, int l) {
+tsetattr(int *attr, int l)
+{
int i;
int32_t idx;
- for(i = 0; i < l; i++) {
- switch(attr[i]) {
+ for (i = 0; i < l; i++) {
+ switch (attr[i]) {
case 0:
term.c.attr.mode &= ~(
ATTR_BOLD |
term.c.attr.bg = defaultbg;
break;
default:
- if(BETWEEN(attr[i], 30, 37)) {
+ if (BETWEEN(attr[i], 30, 37)) {
term.c.attr.fg = attr[i] - 30;
- } else if(BETWEEN(attr[i], 40, 47)) {
+ } else if (BETWEEN(attr[i], 40, 47)) {
term.c.attr.bg = attr[i] - 40;
- } else if(BETWEEN(attr[i], 90, 97)) {
+ } else if (BETWEEN(attr[i], 90, 97)) {
term.c.attr.fg = attr[i] - 90 + 8;
- } else if(BETWEEN(attr[i], 100, 107)) {
+ } else if (BETWEEN(attr[i], 100, 107)) {
term.c.attr.bg = attr[i] - 100 + 8;
} else {
fprintf(stderr,
}
void
-tsetscroll(int t, int b) {
+tsetscroll(int t, int b)
+{
int temp;
LIMIT(t, 0, term.row-1);
LIMIT(b, 0, term.row-1);
- if(t > b) {
+ if (t > b) {
temp = t;
t = b;
b = temp;
}
void
-tsetmode(bool priv, bool set, int *args, int narg) {
+tsetmode(int priv, int set, int *args, int narg)
+{
int *lim, mode;
- bool alt;
+ int alt;
- for(lim = args + narg; args < lim; ++args) {
- if(priv) {
- switch(*args) {
+ for (lim = args + narg; args < lim; ++args) {
+ if (priv) {
+ switch (*args) {
case 1: /* DECCKM -- Cursor key */
MODBIT(term.mode, set, MODE_APPCURSOR);
break;
case 5: /* DECSCNM -- Reverse video */
mode = term.mode;
MODBIT(term.mode, set, MODE_REVERSE);
- if(mode != term.mode)
+ if (mode != term.mode)
redraw();
break;
case 6: /* DECOM -- Origin */
if (!allowaltscreen)
break;
alt = IS_SET(MODE_ALTSCREEN);
- if(alt) {
+ if (alt) {
tclearregion(0, 0, term.col-1,
term.row-1);
}
- if(set ^ alt) /* set is always 1 or 0 */
+ if (set ^ alt) /* set is always 1 or 0 */
tswapscreen();
- if(*args != 1049)
+ if (*args != 1049)
break;
/* FALLTHROUGH */
case 1048:
break;
}
} else {
- switch(*args) {
+ switch (*args) {
case 0: /* Error (IGNORED) */
break;
case 2: /* KAM -- keyboard action */
}
void
-csihandle(void) {
+csihandle(void)
+{
char buf[40];
int len;
- switch(csiescseq.mode[0]) {
+ switch (csiescseq.mode[0]) {
default:
unknown:
fprintf(stderr, "erresc: unknown csi ");
tmoveto(term.c.x, term.c.y+csiescseq.arg[0]);
break;
case 'i': /* MC -- Media Copy */
- switch(csiescseq.arg[0]) {
+ switch (csiescseq.arg[0]) {
case 0:
tdump();
break;
}
break;
case 'c': /* DA -- Device Attributes */
- if(csiescseq.arg[0] == 0)
+ if (csiescseq.arg[0] == 0)
ttywrite(vtiden, sizeof(vtiden) - 1);
break;
case 'C': /* CUF -- Cursor <n> Forward */
tmoveto(0, term.c.y-csiescseq.arg[0]);
break;
case 'g': /* TBC -- Tabulation clear */
- switch(csiescseq.arg[0]) {
+ switch (csiescseq.arg[0]) {
case 0: /* clear current tab stop */
term.tabs[term.c.x] = 0;
break;
break;
case 'J': /* ED -- Clear screen */
selclear(NULL);
- switch(csiescseq.arg[0]) {
+ switch (csiescseq.arg[0]) {
case 0: /* below */
tclearregion(term.c.x, term.c.y, term.col-1, term.c.y);
- if(term.c.y < term.row-1) {
+ if (term.c.y < term.row-1) {
tclearregion(0, term.c.y+1, term.col-1,
term.row-1);
}
break;
case 1: /* above */
- if(term.c.y > 1)
+ if (term.c.y > 1)
tclearregion(0, 0, term.col-1, term.c.y-1);
tclearregion(0, term.c.y, term.c.x, term.c.y);
break;
}
break;
case 'K': /* EL -- Clear line */
- switch(csiescseq.arg[0]) {
+ switch (csiescseq.arg[0]) {
case 0: /* right */
tclearregion(term.c.x, term.c.y, term.col-1,
term.c.y);
}
break;
case 'r': /* DECSTBM -- Set Scrolling Region */
- if(csiescseq.priv) {
+ if (csiescseq.priv) {
goto unknown;
} else {
DEFAULT(csiescseq.arg[0], 1);
}
void
-csidump(void) {
+csidump(void)
+{
int i;
uint c;
printf("ESC[");
- for(i = 0; i < csiescseq.len; i++) {
+ for (i = 0; i < csiescseq.len; i++) {
c = csiescseq.buf[i] & 0xff;
- if(isprint(c)) {
+ if (isprint(c)) {
putchar(c);
- } else if(c == '\n') {
+ } else if (c == '\n') {
printf("(\\n)");
- } else if(c == '\r') {
+ } else if (c == '\r') {
printf("(\\r)");
- } else if(c == 0x1b) {
+ } else if (c == 0x1b) {
printf("(\\e)");
} else {
printf("(%02x)", c);
}
void
-csireset(void) {
+csireset(void)
+{
memset(&csiescseq, 0, sizeof(csiescseq));
}
void
-strhandle(void) {
+strhandle(void)
+{
char *p = NULL;
int j, narg, par;
strparse();
par = (narg = strescseq.narg) ? atoi(strescseq.args[0]) : 0;
- switch(strescseq.type) {
+ switch (strescseq.type) {
case ']': /* OSC -- Operating System Command */
- switch(par) {
+ switch (par) {
case 0:
case 1:
case 2:
- if(narg > 1)
+ if (narg > 1)
xsettitle(strescseq.args[1]);
return;
case 4: /* color set */
- if(narg < 3)
+ if (narg < 3)
break;
p = strescseq.args[2];
/* FALLTHROUGH */
case 104: /* color reset, here p = NULL */
j = (narg > 1) ? atoi(strescseq.args[1]) : -1;
- if(xsetcolorname(j, p)) {
+ if (xsetcolorname(j, p)) {
fprintf(stderr, "erresc: invalid color %s\n", p);
} else {
/*
}
void
-strparse(void) {
+strparse(void)
+{
int c;
char *p = strescseq.buf;
strescseq.narg = 0;
strescseq.buf[strescseq.len] = '\0';
- if(*p == '\0')
+ if (*p == '\0')
return;
- while(strescseq.narg < STR_ARG_SIZ) {
+ while (strescseq.narg < STR_ARG_SIZ) {
strescseq.args[strescseq.narg++] = p;
- while((c = *p) != ';' && c != '\0')
+ while ((c = *p) != ';' && c != '\0')
++p;
- if(c == '\0')
+ if (c == '\0')
return;
*p++ = '\0';
}
}
void
-strdump(void) {
+strdump(void)
+{
int i;
uint c;
printf("ESC%c", strescseq.type);
- for(i = 0; i < strescseq.len; i++) {
+ for (i = 0; i < strescseq.len; i++) {
c = strescseq.buf[i] & 0xff;
- if(c == '\0') {
+ if (c == '\0') {
return;
- } else if(isprint(c)) {
+ } else if (isprint(c)) {
putchar(c);
- } else if(c == '\n') {
+ } else if (c == '\n') {
printf("(\\n)");
- } else if(c == '\r') {
+ } else if (c == '\r') {
printf("(\\r)");
- } else if(c == 0x1b) {
+ } else if (c == 0x1b) {
printf("(\\e)");
} else {
printf("(%02x)", c);
}
void
-strreset(void) {
+strreset(void)
+{
memset(&strescseq, 0, sizeof(strescseq));
}
void
-tprinter(char *s, size_t len) {
- if(iofd != -1 && xwrite(iofd, s, len) < 0) {
+tprinter(char *s, size_t len)
+{
+ if (iofd != -1 && xwrite(iofd, s, len) < 0) {
fprintf(stderr, "Error writing in %s:%s\n",
opt_io, strerror(errno));
close(iofd);
}
void
-toggleprinter(const Arg *arg) {
+toggleprinter(const Arg *arg)
+{
term.mode ^= MODE_PRINT;
}
void
-printscreen(const Arg *arg) {
+printscreen(const Arg *arg)
+{
tdump();
}
void
-printsel(const Arg *arg) {
+printsel(const Arg *arg)
+{
tdumpsel();
}
void
-tdumpsel(void) {
+tdumpsel(void)
+{
char *ptr;
- if((ptr = getsel())) {
+ if ((ptr = getsel())) {
tprinter(ptr, strlen(ptr));
free(ptr);
}
}
void
-tdumpline(int n) {
+tdumpline(int n)
+{
char buf[UTF_SIZ];
Glyph *bp, *end;
bp = &term.line[n][0];
end = &bp[MIN(tlinelen(n), term.col) - 1];
- if(bp != end || bp->u != ' ') {
- for( ;bp <= end; ++bp)
+ if (bp != end || bp->u != ' ') {
+ for ( ;bp <= end; ++bp)
tprinter(buf, utf8encode(bp->u, buf));
}
tprinter("\n", 1);
}
void
-tdump(void) {
+tdump(void)
+{
int i;
- for(i = 0; i < term.row; ++i)
+ for (i = 0; i < term.row; ++i)
tdumpline(i);
}
void
-tputtab(int n) {
+tputtab(int n)
+{
uint x = term.c.x;
- if(n > 0) {
- while(x < term.col && n--)
- for(++x; x < term.col && !term.tabs[x]; ++x)
+ if (n > 0) {
+ while (x < term.col && n--)
+ for (++x; x < term.col && !term.tabs[x]; ++x)
/* nothing */ ;
- } else if(n < 0) {
- while(x > 0 && n++)
- for(--x; x > 0 && !term.tabs[x]; --x)
+ } else if (n < 0) {
+ while (x > 0 && n++)
+ for (--x; x > 0 && !term.tabs[x]; --x)
/* nothing */ ;
}
term.c.x = LIMIT(x, 0, term.col-1);
}
void
-techo(Rune u) {
- if(ISCONTROL(u)) { /* control code */
- if(u & 0x80) {
+techo(Rune u)
+{
+ if (ISCONTROL(u)) { /* control code */
+ if (u & 0x80) {
u &= 0x7f;
tputc('^');
tputc('[');
- } else if(u != '\n' && u != '\r' && u != '\t') {
+ } else if (u != '\n' && u != '\r' && u != '\t') {
u ^= 0x40;
tputc('^');
}
}
void
-tdeftran(char ascii) {
+tdeftran(char ascii)
+{
static char cs[] = "0B";
static int vcs[] = {CS_GRAPHIC0, CS_USA};
char *p;
- if((p = strchr(cs, ascii)) == NULL) {
+ if ((p = strchr(cs, ascii)) == NULL) {
fprintf(stderr, "esc unhandled charset: ESC ( %c\n", ascii);
} else {
term.trantbl[term.icharset] = vcs[p - cs];
}
void
-tdectest(char c) {
+tdectest(char c)
+{
int x, y;
- if(c == '8') { /* DEC screen alignment test. */
- for(x = 0; x < term.col; ++x) {
- for(y = 0; y < term.row; ++y)
+ if (c == '8') { /* DEC screen alignment test. */
+ for (x = 0; x < term.col; ++x) {
+ for (y = 0; y < term.row; ++y)
tsetchar('E', &term.c.attr, x, y);
}
}
}
void
-tstrsequence(uchar c) {
+tstrsequence(uchar c)
+{
switch (c) {
case 0x90: /* DCS -- Device Control String */
c = 'P';
}
void
-tcontrolcode(uchar ascii) {
- switch(ascii) {
+tcontrolcode(uchar ascii)
+{
+ switch (ascii) {
case '\t': /* HT */
tputtab(1);
return;
tnewline(IS_SET(MODE_CRLF));
return;
case '\a': /* BEL */
- if(term.esc & ESC_STR_END) {
+ if (term.esc & ESC_STR_END) {
/* backwards compatibility to xterm */
strhandle();
} else {
- if(!(xw.state & WIN_FOCUSED))
+ if (!(xw.state & WIN_FOCUSED))
xseturgency(1);
if (bellvolume)
XkbBell(xw.dpy, xw.win, bellvolume, (Atom)NULL);
* more characters for this sequence, otherwise 0
*/
int
-eschandle(uchar ascii) {
- switch(ascii) {
+eschandle(uchar ascii)
+{
+ switch (ascii) {
case '[':
term.esc |= ESC_CSI;
return 0;
term.esc |= ESC_ALTCHARSET;
return 0;
case 'D': /* IND -- Linefeed */
- if(term.c.y == term.bot) {
+ if (term.c.y == term.bot) {
tscrollup(term.top, 1);
} else {
tmoveto(term.c.x, term.c.y+1);
term.tabs[term.c.x] = 1;
break;
case 'M': /* RI -- Reverse index */
- if(term.c.y == term.top) {
+ if (term.c.y == term.top) {
tscrolldown(term.top, 1);
} else {
tmoveto(term.c.x, term.c.y-1);
tcursor(CURSOR_LOAD);
break;
case '\\': /* ST -- String Terminator */
- if(term.esc & ESC_STR_END)
+ if (term.esc & ESC_STR_END)
strhandle();
break;
default:
}
void
-tputc(Rune u) {
+tputc(Rune u)
+{
char c[UTF_SIZ];
- bool control;
+ int control;
int width, len;
Glyph *gp;
len = utf8encode(u, c);
- if((width = wcwidth(u)) == -1) {
+ if ((width = wcwidth(u)) == -1) {
memcpy(c, "\357\277\275", 4); /* UTF_INVALID */
width = 1;
}
- if(IS_SET(MODE_PRINT))
+ if (IS_SET(MODE_PRINT))
tprinter(c, len);
control = ISCONTROL(u);
* receives a ESC, a SUB, a ST or any other C1 control
* character.
*/
- if(term.esc & ESC_STR) {
- if(u == '\a' || u == 030 || u == 032 || u == 033 ||
+ if (term.esc & ESC_STR) {
+ if (u == '\a' || u == 030 || u == 032 || u == 033 ||
ISCONTROLC1(u)) {
term.esc &= ~(ESC_START|ESC_STR);
term.esc |= ESC_STR_END;
- } else if(strescseq.len + len < sizeof(strescseq.buf) - 1) {
+ } else if (strescseq.len + len < sizeof(strescseq.buf) - 1) {
memmove(&strescseq.buf[strescseq.len], c, len);
strescseq.len += len;
return;
* because they can be embedded inside a control sequence, and
* they must not cause conflicts with sequences.
*/
- if(control) {
+ if (control) {
tcontrolcode(u);
/*
* control codes are not shown ever
*/
return;
- } else if(term.esc & ESC_START) {
- if(term.esc & ESC_CSI) {
+ } else if (term.esc & ESC_START) {
+ if (term.esc & ESC_CSI) {
csiescseq.buf[csiescseq.len++] = u;
- if(BETWEEN(u, 0x40, 0x7E)
+ if (BETWEEN(u, 0x40, 0x7E)
|| csiescseq.len >= \
sizeof(csiescseq.buf)-1) {
term.esc = 0;
csihandle();
}
return;
- } else if(term.esc & ESC_ALTCHARSET) {
+ } else if (term.esc & ESC_ALTCHARSET) {
tdeftran(u);
- } else if(term.esc & ESC_TEST) {
+ } else if (term.esc & ESC_TEST) {
tdectest(u);
} else {
if (!eschandle(u))
*/
return;
}
- if(sel.ob.x != -1 && BETWEEN(term.c.y, sel.ob.y, sel.oe.y))
+ if (sel.ob.x != -1 && BETWEEN(term.c.y, sel.ob.y, sel.oe.y))
selclear(NULL);
gp = &term.line[term.c.y][term.c.x];
- if(IS_SET(MODE_WRAP) && (term.c.state & CURSOR_WRAPNEXT)) {
+ if (IS_SET(MODE_WRAP) && (term.c.state & CURSOR_WRAPNEXT)) {
gp->mode |= ATTR_WRAP;
tnewline(1);
gp = &term.line[term.c.y][term.c.x];
}
- if(IS_SET(MODE_INSERT) && term.c.x+width < term.col)
+ if (IS_SET(MODE_INSERT) && term.c.x+width < term.col)
memmove(gp+width, gp, (term.col - term.c.x - width) * sizeof(Glyph));
- if(term.c.x+width > term.col) {
+ if (term.c.x+width > term.col) {
tnewline(1);
gp = &term.line[term.c.y][term.c.x];
}
tsetchar(u, &term.c.attr, term.c.x, term.c.y);
- if(width == 2) {
+ if (width == 2) {
gp->mode |= ATTR_WIDE;
- if(term.c.x+1 < term.col) {
+ if (term.c.x+1 < term.col) {
gp[1].u = '\0';
gp[1].mode = ATTR_WDUMMY;
}
}
- if(term.c.x+width < term.col) {
+ if (term.c.x+width < term.col) {
tmoveto(term.c.x+width, term.c.y);
} else {
term.c.state |= CURSOR_WRAPNEXT;
}
void
-tresize(int col, int row) {
+tresize(int col, int row)
+{
int i;
int minrow = MIN(row, term.row);
int mincol = MIN(col, term.col);
- bool *bp;
+ int *bp;
TCursor c;
- if(col < 1 || row < 1) {
+ if (col < 1 || row < 1) {
fprintf(stderr,
"tresize: error resizing to %dx%d\n", col, row);
return;
* tscrollup would work here, but we can optimize to
* memmove because we're freeing the earlier lines
*/
- for(i = 0; i <= term.c.y - row; i++) {
+ for (i = 0; i <= term.c.y - row; i++) {
free(term.line[i]);
free(term.alt[i]);
}
memmove(term.line, term.line + i, row * sizeof(Line));
memmove(term.alt, term.alt + i, row * sizeof(Line));
}
- for(i += row; i < term.row; i++) {
+ for (i += row; i < term.row; i++) {
free(term.line[i]);
free(term.alt[i]);
}
term.tabs = xrealloc(term.tabs, col * sizeof(*term.tabs));
/* resize each row to new width, zero-pad if needed */
- for(i = 0; i < minrow; i++) {
+ for (i = 0; i < minrow; i++) {
term.line[i] = xrealloc(term.line[i], col * sizeof(Glyph));
term.alt[i] = xrealloc(term.alt[i], col * sizeof(Glyph));
}
/* allocate any new rows */
- for(/* i == minrow */; i < row; i++) {
+ for (/* i == minrow */; i < row; i++) {
term.line[i] = xmalloc(col * sizeof(Glyph));
term.alt[i] = xmalloc(col * sizeof(Glyph));
}
- if(col > term.col) {
+ if (col > term.col) {
bp = term.tabs + term.col;
memset(bp, 0, sizeof(*term.tabs) * (col - term.col));
- while(--bp > term.tabs && !*bp)
+ while (--bp > term.tabs && !*bp)
/* nothing */ ;
- for(bp += tabspaces; bp < term.tabs + col; bp += tabspaces)
+ for (bp += tabspaces; bp < term.tabs + col; bp += tabspaces)
*bp = 1;
}
/* update terminal size */
tmoveto(term.c.x, term.c.y);
/* Clearing both screens (it makes dirty all lines) */
c = term.c;
- for(i = 0; i < 2; i++) {
- if(mincol < col && 0 < minrow) {
+ for (i = 0; i < 2; i++) {
+ if (mincol < col && 0 < minrow) {
tclearregion(mincol, 0, col - 1, minrow - 1);
}
- if(0 < col && minrow < row) {
+ if (0 < col && minrow < row) {
tclearregion(0, minrow, col - 1, row - 1);
}
tswapscreen();
}
void
-xresize(int col, int row) {
+xresize(int col, int row)
+{
xw.tw = MAX(1, col * xw.cw);
xw.th = MAX(1, row * xw.ch);
}
ushort
-sixd_to_16bit(int x) {
+sixd_to_16bit(int x)
+{
return x == 0 ? 0 : 0x3737 + 0x2828 * x;
}
-bool
-xloadcolor(int i, const char *name, Color *ncolor) {
+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 */
+ 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 );
}
void
-xloadcols(void) {
+xloadcols(void)
+{
int i;
- static bool loaded;
+ static int loaded;
Color *cp;
- if(loaded) {
+ if (loaded) {
for (cp = dc.col; cp < &dc.col[LEN(dc.col)]; ++cp)
XftColorFree(xw.dpy, xw.vis, xw.cmap, cp);
}
- for(i = 0; i < LEN(dc.col); i++)
- if(!xloadcolor(i, NULL, &dc.col[i])) {
- if(colorname[i])
+ 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 = true;
+ loaded = 1;
}
int
-xsetcolorname(int x, const char *name) {
+xsetcolorname(int x, const char *name)
+{
Color ncolor;
- if(!BETWEEN(x, 0, LEN(dc.col)))
+ if (!BETWEEN(x, 0, LEN(dc.col)))
return 1;
- if(!xloadcolor(x, name, &ncolor))
+ if (!xloadcolor(x, name, &ncolor))
return 1;
XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]);
}
void
-xtermclear(int col1, int row1, int col2, int row2) {
+xtermclear(int col1, int row1, int col2, int row2)
+{
XftDrawRect(xw.draw,
&dc.col[IS_SET(MODE_REVERSE) ? defaultfg : defaultbg],
borderpx + col1 * xw.cw,
* Absolute coordinates.
*/
void
-xclear(int x1, int y1, int x2, int y2) {
+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) {
+xhints(void)
+{
XClassHint class = {opt_class ? opt_class : termname, termname};
XWMHints wm = {.flags = InputHint, .input = 1};
XSizeHints *sizeh = NULL;
sizeh->width_inc = xw.cw;
sizeh->base_height = 2 * borderpx;
sizeh->base_width = 2 * borderpx;
- if(xw.isfixed == True) {
+ 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)) {
+ if (xw.gm & (XValue|YValue)) {
sizeh->flags |= USPosition | PWinGravity;
sizeh->x = xw.l;
sizeh->y = xw.t;
}
int
-xgeommasktogravity(int mask) {
- switch(mask & (XNegative|YNegative)) {
+xgeommasktogravity(int mask)
+{
+ switch (mask & (XNegative|YNegative)) {
case 0:
return NorthWestGravity;
case XNegative:
}
int
-xloadfont(Font *f, FcPattern *pattern) {
+xloadfont(Font *f, FcPattern *pattern)
+{
FcPattern *match;
FcResult result;
match = FcFontMatch(NULL, pattern, &result);
- if(!match)
+ if (!match)
return 1;
- if(!(f->match = XftFontOpenPattern(xw.dpy, match))) {
+ if (!(f->match = XftFontOpenPattern(xw.dpy, match))) {
FcPatternDestroy(match);
return 1;
}
}
void
-xloadfonts(char *fontstr, double fontsize) {
+xloadfonts(char *fontstr, double fontsize)
+{
FcPattern *pattern;
- FcResult r_sz, r_psz;
double fontval;
float ceilf(float);
- if(fontstr[0] == '-') {
+ if (fontstr[0] == '-') {
pattern = XftXlfdParse(fontstr, False, False);
} else {
pattern = FcNameParse((FcChar8 *)fontstr);
}
- if(!pattern)
+ if (!pattern)
die("st: can't open font %s\n", fontstr);
- if(fontsize > 1) {
+ if (fontsize > 1) {
FcPatternDel(pattern, FC_PIXEL_SIZE);
FcPatternDel(pattern, FC_SIZE);
FcPatternAddDouble(pattern, FC_PIXEL_SIZE, (double)fontsize);
usedfontsize = fontsize;
} else {
- r_psz = FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval);
- r_sz = FcPatternGetDouble(pattern, FC_SIZE, 0, &fontval);
- if(r_psz == FcResultMatch) {
+ if (FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval) ==
+ FcResultMatch) {
usedfontsize = fontval;
- } else if(r_sz == FcResultMatch) {
+ } else if (FcPatternGetDouble(pattern, FC_SIZE, 0, &fontval) ==
+ FcResultMatch) {
usedfontsize = -1;
} else {
/*
FcConfigSubstitute(0, pattern, FcMatchPattern);
FcDefaultSubstitute(pattern);
- if(xloadfont(&dc.font, pattern))
+ if (xloadfont(&dc.font, pattern))
die("st: can't open font %s\n", fontstr);
- if(usedfontsize < 0) {
+ if (usedfontsize < 0) {
FcPatternGetDouble(dc.font.match->pattern,
FC_PIXEL_SIZE, 0, &fontval);
usedfontsize = fontval;
- if(fontsize == 0)
+ if (fontsize == 0)
defaultfontsize = fontval;
}
FcPatternDel(pattern, FC_SLANT);
FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC);
- if(xloadfont(&dc.ifont, pattern))
+ 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))
+ 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))
+ if (xloadfont(&dc.bfont, pattern))
die("st: can't open font %s\n", fontstr);
FcPatternDestroy(pattern);
}
void
-xunloadfont(Font *f) {
+xunloadfont(Font *f)
+{
XftFontClose(xw.dpy, f->match);
FcPatternDestroy(f->pattern);
- if(f->set)
+ if (f->set)
FcFontSetDestroy(f->set);
}
void
-xunloadfonts(void) {
+xunloadfonts(void)
+{
/* Free the loaded fonts in the font cache. */
- while(frclen > 0)
+ while (frclen > 0)
XftFontClose(xw.dpy, frc[--frclen].font);
xunloadfont(&dc.font);
}
void
-xzoom(const Arg *arg) {
+xzoom(const Arg *arg)
+{
Arg larg;
- larg.i = usedfontsize + arg->i;
+ larg.f = usedfontsize + arg->f;
xzoomabs(&larg);
}
void
-xzoomabs(const Arg *arg) {
+xzoomabs(const Arg *arg)
+{
xunloadfonts();
- xloadfonts(usedfont, arg->i);
+ xloadfonts(usedfont, arg->f);
cresize(0, 0);
redraw();
xhints();
}
void
-xzoomreset(const Arg *arg) {
+xzoomreset(const Arg *arg)
+{
Arg larg;
- if(defaultfontsize > 0) {
- larg.i = defaultfontsize;
+ if (defaultfontsize > 0) {
+ larg.f = defaultfontsize;
xzoomabs(&larg);
}
}
void
-xinit(void) {
+xinit(void)
+{
XGCValues gcvalues;
Cursor cursor;
Window parent;
pid_t thispid = getpid();
- if(!(xw.dpy = XOpenDisplay(NULL)))
+ 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())
+ if (!FcInit())
die("Could not init fontconfig.\n");
usedfont = (opt_font == NULL)? font : opt_font;
/* adjust fixed window geometry */
xw.w = 2 * borderpx + term.col * xw.cw;
xw.h = 2 * borderpx + term.row * xw.ch;
- if(xw.gm & XNegative)
+ if (xw.gm & XNegative)
xw.l += DisplayWidth(xw.dpy, xw.scr) - xw.w - 2;
- if(xw.gm & YNegative)
+ if (xw.gm & YNegative)
xw.t += DisplayWidth(xw.dpy, xw.scr) - xw.h - 2;
/* Events */
xw.draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap);
/* input methods */
- if((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) {
+ if ((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) {
XSetLocaleModifiers("@im=local");
- if((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) {
+ if ((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) {
XSetLocaleModifiers("@im=");
- if((xw.xim = XOpenIM(xw.dpy,
+ 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)
+ if (xw.xic == NULL)
die("XCreateIC failed. Could not obtain input method.\n");
/* white cursor, black outline */
FcCharSet *fccharset;
int i, f, numspecs = 0;
- for(i = 0, xp = winx, yp = winy + font->ascent; i < len; ++i) {
+ 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)
+ if (mode == ATTR_WDUMMY)
continue;
/* Determine font for glyph if different from previous glyph. */
- if(prevmode != mode) {
+ 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)) {
+ if ((mode & ATTR_ITALIC) && (mode & ATTR_BOLD)) {
font = &dc.ibfont;
frcflags = FRC_ITALICBOLD;
- } else if(mode & ATTR_ITALIC) {
+ } else if (mode & ATTR_ITALIC) {
font = &dc.ifont;
frcflags = FRC_ITALIC;
- } else if(mode & ATTR_BOLD) {
+ } else if (mode & ATTR_BOLD) {
font = &dc.bfont;
frcflags = FRC_BOLD;
}
/* Lookup character index with default font. */
glyphidx = XftCharIndex(xw.dpy, font->match, rune);
- if(glyphidx) {
+ if (glyphidx) {
specs[numspecs].font = font->match;
specs[numspecs].glyph = glyphidx;
specs[numspecs].x = (short)xp;
}
/* Fallback on font cache, search the font cache for match. */
- for(f = 0; f < frclen; f++) {
+ for (f = 0; f < frclen; f++) {
glyphidx = XftCharIndex(xw.dpy, frc[f].font, rune);
/* Everything correct. */
- if(glyphidx && frc[f].flags == frcflags)
+ if (glyphidx && frc[f].flags == frcflags)
break;
/* We got a default font for a not found glyph. */
- if(!glyphidx && frc[f].flags == frcflags
+ 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)
+ if (f >= frclen) {
+ if (!font->set)
font->set = FcFontSort(0, font->pattern,
- FcTrue, 0, &fcres);
+ 1, 0, &fcres);
fcsets[0] = font->set;
/*
FcCharSetAddChar(fccharset, rune);
FcPatternAddCharSet(fcpattern, FC_CHARSET,
fccharset);
- FcPatternAddBool(fcpattern, FC_SCALABLE,
- FcTrue);
+ FcPatternAddBool(fcpattern, FC_SCALABLE, 1);
FcConfigSubstitute(0, fcpattern,
FcMatchPattern);
/*
* Overwrite or create the new cache entry.
*/
- if(frclen >= LEN(frc)) {
+ if (frclen >= LEN(frc)) {
frclen = LEN(frc) - 1;
XftFontClose(xw.dpy, frc[frclen].font);
frc[frclen].unicodep = 0;
}
void
-xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, int y) {
+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;
XRectangle r;
/* Determine foreground and background colors based on mode. */
- if(base.fg == defaultfg) {
- if(base.mode & ATTR_ITALIC)
+ if (base.fg == defaultfg) {
+ if (base.mode & ATTR_ITALIC)
base.fg = defaultitalic;
- else if((base.mode & ATTR_ITALIC) && (base.mode & ATTR_BOLD))
+ else if ((base.mode & ATTR_ITALIC) && (base.mode & ATTR_BOLD))
base.fg = defaultitalic;
- else if(base.mode & ATTR_UNDERLINE)
+ else if (base.mode & ATTR_UNDERLINE)
base.fg = defaultunderline;
}
- if(IS_TRUECOL(base.fg)) {
+ if (IS_TRUECOL(base.fg)) {
colfg.alpha = 0xffff;
colfg.red = TRUERED(base.fg);
colfg.green = TRUEGREEN(base.fg);
fg = &dc.col[base.fg];
}
- if(IS_TRUECOL(base.bg)) {
+ if (IS_TRUECOL(base.bg)) {
colbg.alpha = 0xffff;
colbg.green = TRUEGREEN(base.bg);
colbg.red = TRUERED(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))
+ 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]) {
+ if (IS_SET(MODE_REVERSE)) {
+ if (fg == &dc.col[defaultfg]) {
fg = &dc.col[defaultbg];
} else {
colfg.red = ~fg->color.red;
fg = &revfg;
}
- if(bg == &dc.col[defaultbg]) {
+ if (bg == &dc.col[defaultbg]) {
bg = &dc.col[defaultfg];
} else {
colbg.red = ~bg->color.red;
}
}
- if(base.mode & ATTR_REVERSE) {
+ if (base.mode & ATTR_REVERSE) {
temp = fg;
fg = bg;
bg = temp;
}
- if((base.mode & ATTR_BOLD_FAINT) == ATTR_FAINT) {
+ 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;
fg = &revfg;
}
- if(base.mode & ATTR_BLINK && term.mode & MODE_BLINK)
+ if (base.mode & ATTR_BLINK && term.mode & MODE_BLINK)
fg = bg;
- if(base.mode & ATTR_INVISIBLE)
+ if (base.mode & ATTR_INVISIBLE)
fg = bg;
/* Intelligent cleaning up of the borders. */
- if(x == 0) {
+ 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) {
+ 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)
+ if (y == 0)
xclear(winx, 0, winx + width, borderpx);
- if(y == term.row-1)
+ if (y == term.row-1)
xclear(winx, winy + xw.ch, winx + width, xw.h);
/* Clean up the region we want to draw to. */
XftDrawGlyphFontSpec(xw.draw, fg, specs, len);
/* Render underline and strikethrough. */
- if(base.mode & ATTR_UNDERLINE) {
+ if (base.mode & ATTR_UNDERLINE) {
XftDrawRect(xw.draw, fg, winx, winy + dc.font.ascent + 1,
width, 1);
}
- if(base.mode & ATTR_STRUCK) {
+ if (base.mode & ATTR_STRUCK) {
XftDrawRect(xw.draw, fg, winx, winy + 2 * dc.font.ascent / 3,
width, 1);
}
}
void
-xdrawglyph(Glyph g, int x, int y) {
+xdrawglyph(Glyph g, int x, int y)
+{
int numspecs;
XftGlyphFontSpec spec;
numspecs = xmakeglyphfontspecs(&spec, &g, 1, x, y);
}
void
-xdrawcursor(void) {
+xdrawcursor(void)
+{
static int oldx = 0, oldy = 0;
int curx;
Glyph g = {' ', ATTR_NULL, defaultbg, defaultcs};
curx = term.c.x;
/* adjust position if in dummy */
- if(term.line[oldy][oldx].mode & ATTR_WDUMMY)
+ if (term.line[oldy][oldx].mode & ATTR_WDUMMY)
oldx--;
- if(term.line[term.c.y][curx].mode & ATTR_WDUMMY)
+ if (term.line[term.c.y][curx].mode & ATTR_WDUMMY)
curx--;
g.u = term.line[term.c.y][term.c.x].u;
/* remove the old cursor */
xdrawglyph(term.line[oldy][oldx], oldx, oldy);
- if(IS_SET(MODE_HIDE))
+ if (IS_SET(MODE_HIDE))
return;
/* draw the new one */
- if(xw.state & WIN_FOCUSED) {
+ if (xw.state & WIN_FOCUSED) {
switch (xw.cursor) {
case 0: /* Blinking Block */
case 1: /* Blinking Block (Default) */
case 2: /* Steady Block */
- if(IS_SET(MODE_REVERSE)) {
+ if (IS_SET(MODE_REVERSE)) {
g.mode |= ATTR_REVERSE;
g.fg = defaultcs;
g.bg = defaultfg;
void
-xsettitle(char *p) {
+xsettitle(char *p)
+{
XTextProperty prop;
Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle,
}
void
-xresettitle(void) {
+xresettitle(void)
+{
xsettitle(opt_title ? opt_title : "st");
}
void
-redraw(void) {
+redraw(void)
+{
tfulldirt();
draw();
}
void
-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);
}
void
-drawregion(int x1, int y1, int x2, int y2) {
+drawregion(int x1, int y1, int x2, int y2)
+{
int i, x, y, ox, numspecs;
Glyph base, new;
XftGlyphFontSpec* specs;
- bool ena_sel = sel.ob.x != -1 && sel.alt == IS_SET(MODE_ALTSCREEN);
+ int ena_sel = sel.ob.x != -1 && sel.alt == IS_SET(MODE_ALTSCREEN);
- if(!(xw.state & WIN_VISIBLE))
+ if (!(xw.state & WIN_VISIBLE))
return;
- for(y = y1; y < y2; y++) {
- if(!term.dirty[y])
+ for (y = y1; y < y2; y++) {
+ if (!term.dirty[y])
continue;
xtermclear(0, y, term.col, y);
numspecs = xmakeglyphfontspecs(specs, &term.line[y][x1], x2 - x1, x1, y);
i = ox = 0;
- for(x = x1; x < x2 && i < numspecs; x++) {
+ for (x = x1; x < x2 && i < numspecs; x++) {
new = term.line[y][x];
- if(new.mode == ATTR_WDUMMY)
+ if (new.mode == ATTR_WDUMMY)
continue;
- if(ena_sel && selected(x, y))
+ if (ena_sel && selected(x, y))
new.mode ^= ATTR_REVERSE;
- if(i > 0 && ATTRCMP(base, new)) {
+ if (i > 0 && ATTRCMP(base, new)) {
xdrawglyphfontspecs(specs, base, i, ox, y);
specs += i;
numspecs -= i;
i = 0;
}
- if(i == 0) {
+ if (i == 0) {
ox = x;
base = new;
}
i++;
}
- if(i > 0)
+ if (i > 0)
xdrawglyphfontspecs(specs, base, i, ox, y);
}
xdrawcursor();
}
void
-expose(XEvent *ev) {
+expose(XEvent *ev)
+{
redraw();
}
void
-visibility(XEvent *ev) {
+visibility(XEvent *ev)
+{
XVisibilityEvent *e = &ev->xvisibility;
MODBIT(xw.state, e->state != VisibilityFullyObscured, WIN_VISIBLE);
}
void
-unmap(XEvent *ev) {
+unmap(XEvent *ev)
+{
xw.state &= ~WIN_VISIBLE;
}
void
-xsetpointermotion(int set) {
+xsetpointermotion(int set)
+{
MODBIT(xw.attrs.event_mask, set, PointerMotionMask);
XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask, &xw.attrs);
}
void
-xseturgency(int add) {
+xseturgency(int add)
+{
XWMHints *h = XGetWMHints(xw.dpy, xw.win);
MODBIT(h->flags, add, XUrgencyHint);
}
void
-focus(XEvent *ev) {
+focus(XEvent *ev)
+{
XFocusChangeEvent *e = &ev->xfocus;
- if(e->mode == NotifyGrab)
+ if (e->mode == NotifyGrab)
return;
- if(ev->type == FocusIn) {
+ if (ev->type == FocusIn) {
XSetICFocus(xw.xic);
xw.state |= WIN_FOCUSED;
xseturgency(0);
- if(IS_SET(MODE_FOCUS))
+ if (IS_SET(MODE_FOCUS))
ttywrite("\033[I", 3);
} else {
XUnsetICFocus(xw.xic);
xw.state &= ~WIN_FOCUSED;
- if(IS_SET(MODE_FOCUS))
+ if (IS_SET(MODE_FOCUS))
ttywrite("\033[O", 3);
}
}
-bool
-match(uint mask, uint state) {
+int
+match(uint mask, uint state)
+{
return mask == XK_ANY_MOD || mask == (state & ~ignoremod);
}
void
-numlock(const Arg *dummy) {
+numlock(const Arg *dummy)
+{
term.numlock ^= 1;
}
char*
-kmap(KeySym k, uint state) {
+kmap(KeySym k, uint state)
+{
Key *kp;
int i;
/* Check for mapped keys out of X11 function keys. */
- for(i = 0; i < LEN(mappedkeys); i++) {
- if(mappedkeys[i] == k)
+ for (i = 0; i < LEN(mappedkeys); i++) {
+ if (mappedkeys[i] == k)
break;
}
- if(i == LEN(mappedkeys)) {
- if((k & 0xFFFF) < 0xFD00)
+ if (i == LEN(mappedkeys)) {
+ if ((k & 0xFFFF) < 0xFD00)
return NULL;
}
- for(kp = key; kp < key + LEN(key); kp++) {
- if(kp->k != k)
+ for (kp = key; kp < key + LEN(key); kp++) {
+ if (kp->k != k)
continue;
- if(!match(kp->mask, state))
+ if (!match(kp->mask, state))
continue;
- if(IS_SET(MODE_APPKEYPAD) ? kp->appkey < 0 : kp->appkey > 0)
+ if (IS_SET(MODE_APPKEYPAD) ? kp->appkey < 0 : kp->appkey > 0)
continue;
- if(term.numlock && kp->appkey == 2)
+ if (term.numlock && kp->appkey == 2)
continue;
- if(IS_SET(MODE_APPCURSOR) ? kp->appcursor < 0 : kp->appcursor > 0)
+ if (IS_SET(MODE_APPCURSOR) ? kp->appcursor < 0 : kp->appcursor > 0)
continue;
- if(IS_SET(MODE_CRLF) ? kp->crlf < 0 : kp->crlf > 0)
+ if (IS_SET(MODE_CRLF) ? kp->crlf < 0 : kp->crlf > 0)
continue;
return kp->s;
}
void
-kpress(XEvent *ev) {
+kpress(XEvent *ev)
+{
XKeyEvent *e = &ev->xkey;
KeySym ksym;
char buf[32], *customkey;
Status status;
Shortcut *bp;
- if(IS_SET(MODE_KBDLOCK))
+ 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)) {
+ 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))) {
+ if ((customkey = kmap(ksym, e->state))) {
ttysend(customkey, strlen(customkey));
return;
}
/* 3. composed string from input method */
- if(len == 0)
+ if (len == 0)
return;
- if(len == 1 && e->state & Mod1Mask) {
- if(IS_SET(MODE_8BIT)) {
- if(*buf < 0177) {
+ if (len == 1 && e->state & Mod1Mask) {
+ if (IS_SET(MODE_8BIT)) {
+ if (*buf < 0177) {
c = *buf | 0x80;
len = utf8encode(c, buf);
}
void
-cmessage(XEvent *e) {
+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) {
+ 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) {
+ } else if (e->xclient.data.l[1] == XEMBED_FOCUS_OUT) {
xw.state &= ~WIN_FOCUSED;
}
- } else if(e->xclient.data.l[0] == xw.wmdeletewin) {
+ } else if (e->xclient.data.l[0] == xw.wmdeletewin) {
/* Send SIGHUP to shell */
kill(pid, SIGHUP);
- exit(EXIT_SUCCESS);
+ exit(0);
}
}
void
-cresize(int width, int height) {
+cresize(int width, int height)
+{
int col, row;
- if(width != 0)
+ if (width != 0)
xw.w = width;
- if(height != 0)
+ if (height != 0)
xw.h = height;
col = (xw.w - 2 * borderpx) / xw.cw;
}
void
-resize(XEvent *e) {
- if(e->xconfigure.width == xw.w && e->xconfigure.height == xw.h)
+resize(XEvent *e)
+{
+ if (e->xconfigure.width == xw.w && e->xconfigure.height == xw.h)
return;
cresize(e->xconfigure.width, e->xconfigure.height);
}
void
-run(void) {
+run(void)
+{
XEvent ev;
int w = xw.w, h = xw.h;
fd_set rfd;
/* Waiting for window mapping */
do {
XNextEvent(xw.dpy, &ev);
- if(ev.type == ConfigureNotify) {
+ /*
+ * XFilterEvent is required to be called after you using XOpenIM,
+ * this is not unnecessary.It does not only filter the key event,
+ * but some clientmessage for input method as well.
+ */
+ if (XFilterEvent(&ev, None))
+ continue;
+ if (ev.type == ConfigureNotify) {
w = ev.xconfigure.width;
h = ev.xconfigure.height;
}
- } while(ev.type != MapNotify);
+ } while (ev.type != MapNotify);
ttynew();
cresize(w, h);
clock_gettime(CLOCK_MONOTONIC, &last);
lastblink = last;
- for(xev = actionfps;;) {
+ 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)
+ 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)) {
+ if (FD_ISSET(cmdfd, &rfd)) {
ttyread();
- if(blinktimeout) {
+ if (blinktimeout) {
blinkset = tattrset(ATTR_BLINK);
- if(!blinkset)
+ if (!blinkset)
MODBIT(term.mode, 0, MODE_BLINK);
}
}
- if(FD_ISSET(xfd, &rfd))
+ if (FD_ISSET(xfd, &rfd))
xev = actionfps;
clock_gettime(CLOCK_MONOTONIC, &now);
tv = &drawtimeout;
dodraw = 0;
- if(blinktimeout && TIMEDIFF(now, lastblink) > blinktimeout) {
+ 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)) {
+ if (deltatime > 1000 / (xev ? xfps : actionfps)) {
dodraw = 1;
last = now;
}
- if(dodraw) {
- while(XPending(xw.dpy)) {
+ if (dodraw) {
+ while (XPending(xw.dpy)) {
XNextEvent(xw.dpy, &ev);
- if(XFilterEvent(&ev, None))
+ if (XFilterEvent(&ev, None))
continue;
- if(handler[ev.type])
+ if (handler[ev.type])
(handler[ev.type])(&ev);
}
draw();
XFlush(xw.dpy);
- if(xev && !FD_ISSET(xfd, &rfd))
+ if (xev && !FD_ISSET(xfd, &rfd))
xev--;
- if(!FD_ISSET(cmdfd, &rfd) && !FD_ISSET(xfd, &rfd)) {
- if(blinkset) {
- if(TIMEDIFF(now, lastblink) \
+ if (!FD_ISSET(cmdfd, &rfd) && !FD_ISSET(xfd, &rfd)) {
+ if (blinkset) {
+ if (TIMEDIFF(now, lastblink) \
> blinktimeout) {
drawtimeout.tv_nsec = 1000;
} else {
}
void
-usage(void) {
+usage(void)
+{
die("%s " VERSION " (c) 2010-2015 st engineers\n"
"usage: st [-a] [-v] [-c class] [-f font] [-g geometry] [-o file]\n"
" [-i] [-t title] [-w windowid] [-e command ...] [command ...]\n"
}
int
-main(int argc, char *argv[]) {
+main(int argc, char *argv[])
+{
uint cols = 80, rows = 24;
xw.l = xw.t = 0;
ARGBEGIN {
case 'a':
- allowaltscreen = false;
+ allowaltscreen = 0;
break;
case 'c':
opt_class = EARGF(usage());
break;
case 'e':
- if(argc > 1)
+ if (argc > 0)
--argc, ++argv;
goto run;
case 'f':
&xw.l, &xw.t, &cols, &rows);
break;
case 'i':
- xw.isfixed = True;
+ xw.isfixed = 1;
break;
case 'o':
opt_io = EARGF(usage());
} ARGEND;
run:
- if(argc > 0) {
+ if (argc > 0) {
/* eat all remaining arguments */
opt_cmd = argv;
- if(!opt_title && !opt_line)
+ if (!opt_title && !opt_line)
opt_title = basename(xstrdup(argv[0]));
}
setlocale(LC_CTYPE, "");