#include <fcntl.h>
#include <limits.h>
#include <locale.h>
+#include <pwd.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdio.h>
#define REDRAW_TIMEOUT (80*1000) /* 80 ms */
+/* macros */
+#define CLEANMASK(mask) (mask & (ShiftMask|ControlMask|Mod1Mask|Mod2Mask|Mod3Mask|Mod4Mask|Mod5Mask))
#define SERRNO strerror(errno)
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#define MAX(a, b) ((a) < (b) ? (b) : (a))
#define ATTRCMP(a, b) ((a).mode != (b).mode || (a).fg != (b).fg || (a).bg != (b).bg)
#define IS_SET(flag) (term.mode & (flag))
#define TIMEDIFF(t1, t2) ((t1.tv_sec-t2.tv_sec)*1000 + (t1.tv_usec-t2.tv_usec)/1000)
-#define X2COL(x) (((x) - BORDER)/xw.cw)
-#define Y2ROW(y) (((y) - BORDER)/xw.ch)
+
+#define VT102ID "\033[?6c"
enum glyph_attribute {
ATTR_NULL = 0,
enum cursor_state {
CURSOR_DEFAULT = 0,
- CURSOR_HIDE = 1,
- CURSOR_WRAPNEXT = 2
+ CURSOR_WRAPNEXT = 1,
+ CURSOR_ORIGIN = 2
};
enum glyph_state {
MODE_MOUSEMOTION = 64,
MODE_MOUSE = 32|64,
MODE_REVERSE = 128,
- MODE_KBDLOCK = 256
+ MODE_KBDLOCK = 256,
+ MODE_HIDE = 512
};
enum escape_state {
ESC_STR = 4, /* DSC, OSC, PM, APC */
ESC_ALTCHARSET = 8,
ESC_STR_END = 16, /* a final string was encountered */
+ ESC_TEST = 32, /* Enter in test mode */
};
enum window_state {
typedef struct {
int row; /* nb row */
int col; /* nb col */
- Line* line; /* screen */
- Line* alt; /* alternate screen */
- bool* dirty; /* dirtyness of lines */
+ Line *line; /* screen */
+ Line *alt; /* alternate screen */
+ bool *dirty; /* dirtyness of lines */
TCursor c; /* cursor */
int top; /* top scroll limit */
int bot; /* bottom scroll limit */
int mode;
int bx, by;
int ex, ey;
- struct {int x, y;} b, e;
+ struct {
+ int x, y;
+ } b, e;
char *clip;
Atom xtarget;
bool alt;
struct timeval tclick2;
} Selection;
+typedef union {
+ int i;
+ unsigned int ui;
+ float f;
+ const void *v;
+} Arg;
+
+typedef struct {
+ unsigned int mod;
+ KeySym keysym;
+ void (*func)(const Arg *);
+ const Arg arg;
+} Shortcut;
+
+/* function definitions used in config.h */
+static void xzoom(const Arg *);
+
+/* Config.h for applying patches and the configuration. */
#include "config.h"
/* Font structure */
int descent;
short lbearing;
short rbearing;
- XftFont* xft_set;
+ XftFont *xft_set;
} Font;
/* Drawing Context */
Font font, bfont, ifont, ibfont;
} DC;
-static void die(const char*, ...);
+static void die(const char *, ...);
static void draw(void);
static void redraw(void);
static void drawregion(int, int, int, int);
static void tinsertblank(int);
static void tinsertblankline(int);
static void tmoveto(int, int);
+static void tmoveato(int x, int y);
static void tnew(int, int);
static void tnewline(int);
static void tputtab(bool);
-static void tputc(char*, int);
+static void tputc(char *, int);
static void treset(void);
static int tresize(int, int);
static void tscrollup(int, int);
static void tscrolldown(int, int);
static void tsetattr(int*, int);
-static void tsetchar(char*);
+static void tsetchar(char *, Glyph *, int, int);
static void tsetscroll(int, int);
static void tswapscreen(void);
static void tsetdirt(int, int);
static void xdraws(char *, Glyph, int, int, int, int);
static void xhints(void);
static void xclear(int, int, int, int);
-static void xclearborders(void);
static void xdrawcursor(void);
static void xinit(void);
static void xloadcols(void);
static void expose(XEvent *);
static void visibility(XEvent *);
static void unmap(XEvent *);
-static char* kmap(KeySym, uint);
+static char *kmap(KeySym, uint);
static void kpress(XEvent *);
static void cmessage(XEvent *);
+static void cresize(int width, int height);
static void resize(XEvent *);
static void focus(XEvent *);
static void brelease(XEvent *);
static int utf8size(char *);
static int isfullutf8(char *, int);
+static ssize_t xwrite(int, char *, size_t);
static void *xmalloc(size_t);
static void *xrealloc(void *, size_t);
static void *xcalloc(size_t nmemb, size_t size);
-static char *smstrcat(char *, ...);
static void (*handler[LASTEvent])(XEvent *) = {
[KeyPress] = kpress,
static char *opt_class = NULL;
static char *opt_font = NULL;
+static char *usedfont = NULL;
+static int usedfontsize = 0;
+
+ssize_t
+xwrite(int fd, char *s, size_t len) {
+ size_t aux = len;
+
+ while(len > 0) {
+ ssize_t r = write(fd, s, len);
+ if(r < 0)
+ return r;
+ len -= r;
+ s += r;
+ }
+ return aux;
+}
+
void *
xmalloc(size_t len) {
void *p = malloc(len);
+
if(!p)
die("Out of memory\n");
+
return p;
}
xrealloc(void *p, size_t len) {
if((p = realloc(p, len)) == NULL)
die("Out of memory\n");
+
return p;
}
void *
xcalloc(size_t nmemb, size_t size) {
void *p = calloc(nmemb, size);
+
if(!p)
die("Out of memory\n");
- return p;
-}
-char *
-smstrcat(char *src, ...)
-{
- va_list fmtargs;
- char *ret, *p, *v;
- int len, slen, flen;
-
- len = slen = strlen(src);
-
- va_start(fmtargs, src);
- for(;;) {
- v = va_arg(fmtargs, char *);
- if(v == NULL)
- break;
- len += strlen(v);
- }
- va_end(fmtargs);
-
- p = ret = xmalloc(len+1);
- memmove(p, src, slen);
- p += slen;
-
- va_start(fmtargs, src);
- for(;;) {
- v = va_arg(fmtargs, char *);
- if(v == NULL)
- break;
- flen = strlen(v);
- memmove(p, v, flen);
- p += flen;
- }
- va_end(fmtargs);
-
- ret[len] = '\0';
-
- return ret;
+ return p;
}
int
} else if((c & (B7|B6|B5|B4|B3)) == (B7|B6|B5|B4)) { /* 11110xxx */
*u = c & (B2|B1|B0);
n = 3;
- } else
+ } else {
goto invalid;
+ }
+
for(i = n, ++s; i > 0; --i, ++rtn, ++s) {
c = *s;
if((c & (B7|B6)) != B7) /* 10xxxxxx */
*u <<= 6;
*u |= c & (B5|B4|B3|B2|B1|B0);
}
+
if((n == 1 && *u < 0x80) ||
(n == 2 && *u < 0x800) ||
(n == 3 && *u < 0x10000) ||
- (*u >= 0xD800 && *u <= 0xDFFF))
+ (*u >= 0xD800 && *u <= 0xDFFF)) {
goto invalid;
+ }
+
return rtn;
invalid:
*u = 0xFFFD;
+
return rtn;
}
ulong uc;
int i, n;
- sp = (uchar*) s;
+ sp = (uchar *)s;
uc = *u;
if(uc < 0x80) {
*sp = uc; /* 0xxxxxxx */
} else {
goto invalid;
}
+
for(i=n,++sp; i>0; --i,++sp)
*sp = ((uc >> 6*(i-1)) & (B5|B4|B3|B2|B1|B0)) | B7; /* 10xxxxxx */
+
return n+1;
invalid:
/* U+FFFD */
*s++ = '\xEF';
*s++ = '\xBF';
*s = '\xBD';
+
return 3;
}
isfullutf8(char *s, int b) {
uchar *c1, *c2, *c3;
- c1 = (uchar *) s;
- c2 = (uchar *) ++s;
- c3 = (uchar *) ++s;
- if(b < 1)
+ c1 = (uchar *)s;
+ c2 = (uchar *)++s;
+ c3 = (uchar *)++s;
+ if(b < 1) {
return 0;
- else if((*c1&(B7|B6|B5)) == (B7|B6) && b == 1)
+ } else if((*c1&(B7|B6|B5)) == (B7|B6) && b == 1) {
return 0;
- else if((*c1&(B7|B6|B5|B4)) == (B7|B6|B5) &&
+ } else if((*c1&(B7|B6|B5|B4)) == (B7|B6|B5) &&
((b == 1) ||
- ((b == 2) && (*c2&(B7|B6)) == B7)))
+ ((b == 2) && (*c2&(B7|B6)) == B7))) {
return 0;
- else if((*c1&(B7|B6|B5|B4|B3)) == (B7|B6|B5|B4) &&
+ } else if((*c1&(B7|B6|B5|B4|B3)) == (B7|B6|B5|B4) &&
((b == 1) ||
((b == 2) && (*c2&(B7|B6)) == B7) ||
- ((b == 3) && (*c2&(B7|B6)) == B7 && (*c3&(B7|B6)) == B7)))
+ ((b == 3) && (*c2&(B7|B6)) == B7 && (*c3&(B7|B6)) == B7))) {
return 0;
- else
+ } else {
return 1;
+ }
}
int
utf8size(char *s) {
uchar c = *s;
- if(~c&B7)
+ if(~c&B7) {
return 1;
- else if((c&(B7|B6|B5)) == (B7|B6))
+ } else if((c&(B7|B6|B5)) == (B7|B6)) {
return 2;
- else if((c&(B7|B6|B5|B4)) == (B7|B6|B5))
+ } else if((c&(B7|B6|B5|B4)) == (B7|B6|B5)) {
return 3;
- else
+ } else {
return 4;
+ }
}
void
sel.xtarget = XA_STRING;
}
+static int
+x2col(int x) {
+ x -= borderpx;
+ x /= xw.cw;
+
+ return LIMIT(x, 0, term.col-1);
+}
+
+static int
+y2row(int y) {
+ y -= borderpx;
+ y /= xw.ch;
+
+ return LIMIT(y, 0, term.row-1);
+}
+
static inline bool
selected(int x, int y) {
+ int bx, ex;
+
if(sel.ey == y && sel.by == y) {
- int bx = MIN(sel.bx, sel.ex);
- int ex = MAX(sel.bx, sel.ex);
+ bx = MIN(sel.bx, sel.ex);
+ ex = MAX(sel.bx, sel.ex);
return BETWEEN(x, bx, ex);
}
- return ((sel.b.y < y&&y < sel.e.y) || (y==sel.e.y && x<=sel.e.x))
- || (y==sel.b.y && x>=sel.b.x && (x<=sel.e.x || sel.b.y!=sel.e.y));
+
+ return ((sel.b.y < y && y < sel.e.y)
+ || (y == sel.e.y && x <= sel.e.x))
+ || (y == sel.b.y && x >= sel.b.x
+ && (x <= sel.e.x || sel.b.y != sel.e.y));
}
void
if(b)
*b = e->xbutton.button;
- *x = X2COL(e->xbutton.x);
- *y = Y2ROW(e->xbutton.y);
+ *x = x2col(e->xbutton.x);
+ *y = y2row(e->xbutton.y);
+
sel.b.x = sel.by < sel.ey ? sel.bx : sel.ex;
sel.b.y = MIN(sel.by, sel.ey);
sel.e.x = sel.by < sel.ey ? sel.ex : sel.bx;
void
mousereport(XEvent *e) {
- int x = X2COL(e->xbutton.x);
- int y = Y2ROW(e->xbutton.y);
+ int x = x2col(e->xbutton.x);
+ int y = y2row(e->xbutton.y);
int button = e->xbutton.button;
int state = e->xbutton.state;
char buf[] = { '\033', '[', 'M', 0, 32+x+1, 32+y+1 };
void
bpress(XEvent *e) {
- if(IS_SET(MODE_MOUSE))
+ if(IS_SET(MODE_MOUSE)) {
mousereport(e);
- else if(e->xbutton.button == Button1) {
+ } else if(e->xbutton.button == Button1) {
if(sel.bx != -1) {
sel.bx = -1;
tsetdirt(sel.b.y, sel.e.y);
draw();
}
sel.mode = 1;
- sel.ex = sel.bx = X2COL(e->xbutton.x);
- sel.ey = sel.by = Y2ROW(e->xbutton.y);
+ sel.ex = sel.bx = x2col(e->xbutton.x);
+ sel.ey = sel.by = y2row(e->xbutton.y);
+ } else if(e->xbutton.button == Button4) {
+ ttywrite("\031", 1);
+ } else if(e->xbutton.button == Button5) {
+ ttywrite("\005", 1);
}
}
void
selcopy(void) {
- char *str, *ptr;
- int x, y, bufsize, is_selected = 0;
+ char *str, *ptr, *p;
+ int x, y, bufsize, is_selected = 0, size;
+ Glyph *gp, *last;
- if(sel.bx == -1)
+ if(sel.bx == -1) {
str = NULL;
-
- else {
+ } else {
bufsize = (term.col+1) * (sel.e.y-sel.b.y+1) * UTF_SIZ;
ptr = str = xmalloc(bufsize);
/* append every set & selected glyph to the selection */
for(y = 0; y < term.row; y++) {
- for(x = 0; x < term.col; x++) {
- int size;
- char *p;
- Glyph *gp = &term.line[y][x];
+ gp = &term.line[y][0];
+ last = gp + term.col;
+ while(--last >= gp && !(last->state & GLYPH_SET))
+ /* nothing */;
+
+ for(x = 0; gp <= last; x++, ++gp) {
if(!(is_selected = selected(x, y)))
continue;
+
p = (gp->state & GLYPH_SET) ? gp->c : " ";
size = utf8size(p);
memcpy(ptr, p, size);
}
void
-selpaste() {
- XConvertSelection(xw.dpy, XA_PRIMARY, sel.xtarget, XA_PRIMARY, xw.win, CurrentTime);
+selpaste(void) {
+ XConvertSelection(xw.dpy, XA_PRIMARY, sel.xtarget, XA_PRIMARY,
+ xw.win, CurrentTime);
}
void selclear(XEvent *e) {
selrequest(XEvent *e) {
XSelectionRequestEvent *xsre;
XSelectionEvent xev;
- Atom xa_targets;
+ Atom xa_targets, string;
xsre = (XSelectionRequestEvent *) e;
xev.type = SelectionNotify;
xa_targets = XInternAtom(xw.dpy, "TARGETS", 0);
if(xsre->target == xa_targets) {
/* respond with the supported type */
- Atom string = sel.xtarget;
+ string = sel.xtarget;
XChangeProperty(xsre->display, xsre->requestor, xsre->property,
XA_ATOM, 32, PropModeReplace,
(uchar *) &string, 1);
void
brelease(XEvent *e) {
+ struct timeval now;
+
if(IS_SET(MODE_MOUSE)) {
mousereport(e);
return;
}
- if(e->xbutton.button == Button2)
+
+ if(e->xbutton.button == Button2) {
selpaste();
- else if(e->xbutton.button == Button1) {
+ } else if(e->xbutton.button == Button1) {
sel.mode = 0;
getbuttoninfo(e, NULL, &sel.ex, &sel.ey);
term.dirty[sel.ey] = 1;
if(sel.bx == sel.ex && sel.by == sel.ey) {
- struct timeval now;
sel.bx = -1;
gettimeofday(&now, NULL);
- if(TIMEDIFF(now, sel.tclick2) <= TRIPLECLICK_TIMEOUT) {
+ if(TIMEDIFF(now, sel.tclick2) <= tripleclicktimeout) {
/* triple click on the line */
sel.b.x = sel.bx = 0;
sel.e.x = sel.ex = term.col;
sel.b.y = sel.e.y = sel.ey;
selcopy();
- } else if(TIMEDIFF(now, sel.tclick1) <= DOUBLECLICK_TIMEOUT) {
+ } else if(TIMEDIFF(now, sel.tclick1) <= doubleclicktimeout) {
/* double click to select word */
sel.bx = sel.ex;
while(sel.bx > 0 && term.line[sel.ey][sel.bx-1].state & GLYPH_SET &&
- term.line[sel.ey][sel.bx-1].c[0] != ' ') sel.bx--;
+ term.line[sel.ey][sel.bx-1].c[0] != ' ') {
+ sel.bx--;
+ }
sel.b.x = sel.bx;
while(sel.ex < term.col-1 && term.line[sel.ey][sel.ex+1].state & GLYPH_SET &&
- term.line[sel.ey][sel.ex+1].c[0] != ' ') sel.ex++;
+ term.line[sel.ey][sel.ex+1].c[0] != ' ') {
+ sel.ex++;
+ }
sel.e.x = sel.ex;
sel.b.y = sel.e.y = sel.ey;
selcopy();
}
- } else
+ } else {
selcopy();
+ }
}
+
memcpy(&sel.tclick2, &sel.tclick1, sizeof(struct timeval));
gettimeofday(&sel.tclick1, NULL);
}
void
bmotion(XEvent *e) {
+ int starty, endy, oldey, oldex;
+
if(IS_SET(MODE_MOUSE)) {
mousereport(e);
return;
}
+
if(sel.mode) {
- int oldey = sel.ey, oldex = sel.ex;
+ oldey = sel.ey;
+ oldex = sel.ex;
getbuttoninfo(e, NULL, &sel.ex, &sel.ey);
if(oldey != sel.ey || oldex != sel.ex) {
- int starty = MIN(oldey, sel.ey);
- int endy = MAX(oldey, sel.ey);
+ starty = MIN(oldey, sel.ey);
+ endy = MAX(oldey, sel.ey);
tsetdirt(starty, endy);
}
}
execsh(void) {
char **args;
char *envshell = getenv("SHELL");
+ const struct passwd *pass = getpwuid(getuid());
+ char buf[sizeof(long) * 8 + 1];
unsetenv("COLUMNS");
unsetenv("LINES");
unsetenv("TERMCAP");
+ if(pass) {
+ setenv("LOGNAME", pass->pw_name, 1);
+ setenv("USER", pass->pw_name, 1);
+ setenv("SHELL", pass->pw_shell, 0);
+ setenv("HOME", pass->pw_dir, 0);
+ }
+
+ snprintf(buf, sizeof(buf), "%lu", xw.win);
+ setenv("WINDOWID", buf, 1);
+
signal(SIGCHLD, SIG_DFL);
signal(SIGHUP, SIG_DFL);
signal(SIGINT, SIG_DFL);
signal(SIGTERM, SIG_DFL);
signal(SIGALRM, SIG_DFL);
- DEFAULT(envshell, SHELL);
- putenv("TERM="TNAME);
- args = opt_cmd ? opt_cmd : (char*[]){envshell, "-i", NULL};
+ DEFAULT(envshell, shell);
+ setenv("TERM", termname, 1);
+ args = opt_cmd ? opt_cmd : (char *[]){envshell, "-i", NULL};
execvp(args[0], args);
exit(EXIT_FAILURE);
}
void
ttynew(void) {
int m, s;
+ struct winsize w = {term.row, term.col, 0, 0};
/* seems to work fine on linux, openbsd and freebsd */
- struct winsize w = {term.row, term.col, 0, 0};
if(openpty(&m, &s, NULL, NULL, &w) < 0)
die("openpty failed: %s\n", SERRNO);
cmdfd = m;
signal(SIGCHLD, sigchld);
if(opt_io) {
- if(!strcmp(opt_io, "-")) {
- iofd = STDOUT_FILENO;
- } else {
- if((iofd = open(opt_io, O_WRONLY | O_CREAT, 0666)) < 0) {
- fprintf(stderr, "Error opening %s:%s\n",
- opt_io, strerror(errno));
- }
+ iofd = (!strcmp(opt_io, "-")) ?
+ STDOUT_FILENO :
+ open(opt_io, O_WRONLY | O_CREAT, 0666);
+ if(iofd < 0) {
+ fprintf(stderr, "Error opening %s:%s\n",
+ opt_io, strerror(errno));
}
}
}
void
dump(char c) {
static int col;
+
fprintf(stderr, " %02x '%c' ", c, isprint(c)?c:'.');
if(++col % 10 == 0)
fprintf(stderr, "\n");
charsize = utf8decode(ptr, &utf8c);
utf8encode(&utf8c, s);
tputc(s, charsize);
- ptr += charsize;
+ ptr += charsize;
buflen -= charsize;
}
}
void
-tsetdirt(int top, int bot)
-{
+tsetdirt(int top, int bot) {
int i;
LIMIT(top, 0, term.row-1);
}
void
-tfulldirt(void)
-{
+tfulldirt(void) {
tsetdirt(0, term.row-1);
}
tcursor(int mode) {
static TCursor c;
- if(mode == CURSOR_SAVE)
+ if(mode == CURSOR_SAVE) {
c = term.c;
- else if(mode == CURSOR_LOAD)
- term.c = c, tmoveto(c.x, c.y);
+ } else if(mode == CURSOR_LOAD) {
+ term.c = c;
+ tmoveto(c.x, c.y);
+ }
}
void
treset(void) {
uint i;
+
term.c = (TCursor){{
.mode = ATTR_NULL,
- .fg = DefaultFG,
- .bg = DefaultBG
+ .fg = defaultfg,
+ .bg = defaultbg
}, .x = 0, .y = 0, .state = CURSOR_DEFAULT};
memset(term.tabs, 0, term.col * sizeof(*term.tabs));
- for(i = TAB; i < term.col; i += TAB)
+ for(i = tabspaces; i < term.col; i += tabspaces)
term.tabs[i] = 1;
- term.top = 0, term.bot = term.row - 1;
+ term.top = 0;
+ term.bot = term.row - 1;
term.mode = MODE_WRAP;
tclearregion(0, 0, term.col-1, term.row-1);
+ tmoveto(0, 0);
+ tcursor(CURSOR_SAVE);
}
void
tnew(int col, int row) {
/* set screen size */
- term.row = row, term.col = col;
+ term.row = row;
+ term.col = col;
term.line = xmalloc(term.row * sizeof(Line));
term.alt = xmalloc(term.row * sizeof(Line));
term.dirty = xmalloc(term.row * sizeof(*term.dirty));
void
tswapscreen(void) {
- Line* tmp = term.line;
+ Line *tmp = term.line;
+
term.line = term.alt;
term.alt = tmp;
term.mode ^= MODE_ALTSCREEN;
void
tnewline(int first_col) {
int y = term.c.y;
- if(y == term.bot)
+
+ if(y == term.bot) {
tscrollup(term.top, 1);
- else
+ } else {
y++;
+ }
tmoveto(first_col ? 0 : term.c.x, y);
}
csiescseq.arg[csiescseq.narg] *= 10;
csiescseq.arg[csiescseq.narg] += *p++ - '0'/*, noarg = 0 */;
}
- if(*p == ';' && csiescseq.narg+1 < ESC_ARG_SIZ)
+ if(*p == ';' && csiescseq.narg+1 < ESC_ARG_SIZ) {
csiescseq.narg++, p++;
- else {
+ } else {
csiescseq.mode = *p;
csiescseq.narg++;
+
return;
}
}
}
+/* for absolute user moves, when decom is set */
+void
+tmoveato(int x, int y) {
+ tmoveto(x, y + ((term.c.state & CURSOR_ORIGIN) ? term.top: 0));
+}
+
void
tmoveto(int x, int y) {
+ int miny, maxy;
+
+ if(term.c.state & CURSOR_ORIGIN) {
+ miny = term.top;
+ maxy = term.bot;
+ } else {
+ miny = 0;
+ maxy = term.row - 1;
+ }
LIMIT(x, 0, term.col-1);
- LIMIT(y, 0, term.row-1);
+ LIMIT(y, miny, maxy);
term.c.state &= ~CURSOR_WRAPNEXT;
term.c.x = x;
term.c.y = y;
}
void
-tsetchar(char *c) {
+tsetchar(char *c, Glyph *attr, int x, int y) {
+ static char *vt100_0[62] = { /* 0x41 - 0x7e */
+ "↑", "↓", "→", "←", "█", "▚", "☃", /* A - G */
+ 0, 0, 0, 0, 0, 0, 0, 0, /* H - O */
+ 0, 0, 0, 0, 0, 0, 0, 0, /* P - W */
+ 0, 0, 0, 0, 0, 0, 0, " ", /* X - _ */
+ "◆", "▒", "␉", "␌", "␍", "␊", "°", "±", /* ` - g */
+ "", "␋", "┘", "┐", "┌", "└", "┼", "⎺", /* h - o */
+ "⎻", "─", "⎼", "⎽", "├", "┤", "┴", "┬", /* p - w */
+ "│", "≤", "≥", "π", "≠", "£", "·", /* x - ~ */
+ };
+
/*
* The table is proudly stolen from rxvt.
*/
- if(term.c.attr.mode & ATTR_GFX) {
- char *vt100_0[62] = { /* 0x41 - 0x7e */
- "↑", "↓", "→", "←", "█", "▚", "☃", /* A - G */
- 0, 0, 0, 0, 0, 0, 0, 0, /* H - O */
- 0, 0, 0, 0, 0, 0, 0, 0, /* P - W */
- 0, 0, 0, 0, 0, 0, 0, " ", /* X - _ */
- "◆", "▒", "␉", "␌", "␍", "␊", "°", "±", /* ` - g */
- "", "␋", "┘", "┐", "┌", "└", "┼", "⎺", /* h - o */
- "⎻", "─", "⎼", "⎽", "├", "┤", "┴", "┬", /* p - w */
- "│", "≤", "≥", "π", "≠", "£", "·", /* x - ~ */
- };
-
+ if(attr->mode & ATTR_GFX) {
if(c[0] >= 0x41 && c[0] <= 0x7e
&& vt100_0[c[0] - 0x41]) {
c = vt100_0[c[0] - 0x41];
}
}
- term.dirty[term.c.y] = 1;
- term.line[term.c.y][term.c.x] = term.c.attr;
- memcpy(term.line[term.c.y][term.c.x].c, c, UTF_SIZ);
- term.line[term.c.y][term.c.x].state |= GLYPH_SET;
+ term.dirty[y] = 1;
+ term.line[y][x] = *attr;
+ memcpy(term.line[y][x].c, c, UTF_SIZ);
+ term.line[y][x].state |= GLYPH_SET;
}
void
tclearregion(term.c.x, term.c.y, term.col-1, term.c.y);
return;
}
- memmove(&term.line[term.c.y][dst], &term.line[term.c.y][src], size * sizeof(Glyph));
+
+ memmove(&term.line[term.c.y][dst], &term.line[term.c.y][src],
+ size * sizeof(Glyph));
tclearregion(term.col-n, term.c.y, term.col-1, term.c.y);
}
tclearregion(term.c.x, term.c.y, term.col-1, term.c.y);
return;
}
- memmove(&term.line[term.c.y][dst], &term.line[term.c.y][src], size * sizeof(Glyph));
+
+ memmove(&term.line[term.c.y][dst], &term.line[term.c.y][src],
+ size * sizeof(Glyph));
tclearregion(src, term.c.y, dst - 1, term.c.y);
}
case 0:
term.c.attr.mode &= ~(ATTR_REVERSE | ATTR_UNDERLINE | ATTR_BOLD \
| ATTR_ITALIC | ATTR_BLINK);
- term.c.attr.fg = DefaultFG;
- term.c.attr.bg = DefaultBG;
+ term.c.attr.fg = defaultfg;
+ term.c.attr.bg = defaultbg;
break;
case 1:
term.c.attr.mode |= ATTR_BOLD;
case 38:
if(i + 2 < l && attr[i + 1] == 5) {
i += 2;
- if(BETWEEN(attr[i], 0, 255))
+ if(BETWEEN(attr[i], 0, 255)) {
term.c.attr.fg = attr[i];
- else
- fprintf(stderr, "erresc: bad fgcolor %d\n", attr[i]);
+ } else {
+ fprintf(stderr,
+ "erresc: bad fgcolor %d\n",
+ attr[i]);
+ }
+ } else {
+ fprintf(stderr,
+ "erresc(38): gfx attr %d unknown\n",
+ attr[i]);
}
- else
- fprintf(stderr, "erresc(38): gfx attr %d unknown\n", attr[i]);
break;
case 39:
- term.c.attr.fg = DefaultFG;
+ term.c.attr.fg = defaultfg;
break;
case 48:
if(i + 2 < l && attr[i + 1] == 5) {
i += 2;
- if(BETWEEN(attr[i], 0, 255))
+ if(BETWEEN(attr[i], 0, 255)) {
term.c.attr.bg = attr[i];
- else
- fprintf(stderr, "erresc: bad bgcolor %d\n", attr[i]);
+ } else {
+ fprintf(stderr,
+ "erresc: bad bgcolor %d\n",
+ attr[i]);
+ }
+ } else {
+ fprintf(stderr,
+ "erresc(48): gfx attr %d unknown\n",
+ attr[i]);
}
- else
- fprintf(stderr, "erresc(48): gfx attr %d unknown\n", attr[i]);
break;
case 49:
- term.c.attr.bg = DefaultBG;
+ 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, "erresc(default): gfx attr %d unknown\n", attr[i]), csidump();
+ } else {
+ fprintf(stderr,
+ "erresc(default): gfx attr %d unknown\n",
+ attr[i]), csidump();
+ }
break;
}
}
if(mode != term.mode)
redraw();
break;
- case 6: /* XXX: DECOM -- Origin */
+ case 6: /* DECOM -- Origin */
+ MODBIT(term.c.state, set, CURSOR_ORIGIN);
+ tmoveato(0, 0);
break;
case 7: /* DECAWM -- Auto wrap */
MODBIT(term.mode, set, MODE_WRAP);
break;
- case 8: /* XXX: DECARM -- Auto repeat */
- break;
case 0: /* Error (IGNORED) */
+ case 2: /* DECANM -- ANSI/VT52 (IGNORED) */
+ case 3: /* DECCOLM -- Column (IGNORED) */
+ case 4: /* DECSCLM -- Scroll (IGNORED) */
+ case 8: /* DECARM -- Auto repeat (IGNORED) */
+ case 18: /* DECPFF -- Printer feed (IGNORED) */
+ case 19: /* DECPEX -- Printer extent (IGNORED) */
+ case 42: /* DECNRCM -- National characters (IGNORED) */
case 12: /* att610 -- Start blinking cursor (IGNORED) */
break;
- case 25:
- MODBIT(term.c.state, !set, CURSOR_HIDE);
+ case 25: /* DECTCEM -- Text Cursor Enable Mode */
+ MODBIT(term.mode, !set, MODE_HIDE);
break;
case 1000: /* 1000,1002: enable xterm mouse report */
MODBIT(term.mode, set, MODE_MOUSEBTN);
break;
case 1049: /* = 1047 and 1048 */
case 47:
- case 1047:
- if(IS_SET(MODE_ALTSCREEN))
+ case 1047: {
+ bool alt = IS_SET(MODE_ALTSCREEN) != 0;
+ if(alt)
tclearregion(0, 0, term.col-1, term.row-1);
- if((set && !IS_SET(MODE_ALTSCREEN)) ||
- (!set && IS_SET(MODE_ALTSCREEN))) {
- tswapscreen();
- }
+ if(set ^ alt) /* set is always 1 or 0 */
+ tswapscreen();
if(*args != 1049)
break;
+ }
/* pass through */
case 1048:
tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
break;
default:
- /* case 2: DECANM -- ANSI/VT52 (NOT SUPPOURTED) */
- /* case 3: DECCOLM -- Column (NOT SUPPORTED) */
- /* case 4: DECSCLM -- Scroll (NOT SUPPORTED) */
- /* case 18: DECPFF -- Printer feed (NOT SUPPORTED) */
- /* case 19: DECPEX -- Printer extent (NOT SUPPORTED) */
- /* case 42: DECNRCM -- National characters (NOT SUPPORTED) */
fprintf(stderr,
"erresc: unknown private set/reset mode %d\n",
*args);
tinsertblank(csiescseq.arg[0]);
break;
case 'A': /* CUU -- Cursor <n> Up */
- case 'e':
DEFAULT(csiescseq.arg[0], 1);
tmoveto(term.c.x, term.c.y-csiescseq.arg[0]);
break;
case 'B': /* CUD -- Cursor <n> Down */
+ case 'e': /* VPR --Cursor <n> Down */
DEFAULT(csiescseq.arg[0], 1);
tmoveto(term.c.x, term.c.y+csiescseq.arg[0]);
break;
+ case 'c': /* DA -- Device Attributes */
+ if(csiescseq.arg[0] == 0)
+ ttywrite(VT102ID, sizeof(VT102ID) - 1);
+ break;
case 'C': /* CUF -- Cursor <n> Forward */
- case 'a':
+ case 'a': /* HPR -- Cursor <n> Forward */
DEFAULT(csiescseq.arg[0], 1);
tmoveto(term.c.x+csiescseq.arg[0], term.c.y);
break;
case 'f': /* HVP */
DEFAULT(csiescseq.arg[0], 1);
DEFAULT(csiescseq.arg[1], 1);
- tmoveto(csiescseq.arg[1]-1, csiescseq.arg[0]-1);
+ tmoveato(csiescseq.arg[1]-1, csiescseq.arg[0]-1);
break;
case 'I': /* CHT -- Cursor Forward Tabulation <n> tab stops */
DEFAULT(csiescseq.arg[0], 1);
break;
case 'd': /* VPA -- Move to <row> */
DEFAULT(csiescseq.arg[0], 1);
- tmoveto(term.c.x, csiescseq.arg[0]-1);
+ tmoveato(term.c.x, csiescseq.arg[0]-1);
break;
case 'h': /* SM -- Set terminal mode */
tsetmode(csiescseq.priv, 1, csiescseq.arg, csiescseq.narg);
tsetattr(csiescseq.arg, csiescseq.narg);
break;
case 'r': /* DECSTBM -- Set Scrolling Region */
- if(csiescseq.priv)
+ if(csiescseq.priv) {
goto unknown;
- else {
+ } else {
DEFAULT(csiescseq.arg[0], 1);
DEFAULT(csiescseq.arg[1], term.row);
tsetscroll(csiescseq.arg[0]-1, csiescseq.arg[1]-1);
- tmoveto(0, 0);
+ tmoveato(0, 0);
}
break;
case 's': /* DECSC -- Save cursor position (ANSI.SYS) */
void
csidump(void) {
int i;
+ uint c;
+
printf("ESC[");
for(i = 0; i < csiescseq.len; i++) {
- uint c = csiescseq.buf[i] & 0xff;
- if(isprint(c)) putchar(c);
- else if(c == '\n') printf("(\\n)");
- else if(c == '\r') printf("(\\r)");
- else if(c == 0x1b) printf("(\\e)");
- else printf("(%02x)", c);
+ c = csiescseq.buf[i] & 0xff;
+ if(isprint(c)) {
+ putchar(c);
+ } else if(c == '\n') {
+ printf("(\\n)");
+ } else if(c == '\r') {
+ printf("(\\r)");
+ } else if(c == 0x1b) {
+ printf("(\\e)");
+ } else {
+ printf("(%02x)", c);
+ }
}
putchar('\n');
}
void
strdump(void) {
int i;
+ uint c;
+
printf("ESC%c", strescseq.type);
for(i = 0; i < strescseq.len; i++) {
- uint c = strescseq.buf[i] & 0xff;
- if(isprint(c)) putchar(c);
- else if(c == '\n') printf("(\\n)");
- else if(c == '\r') printf("(\\r)");
- else if(c == 0x1b) printf("(\\e)");
- else printf("(%02x)", c);
+ c = strescseq.buf[i] & 0xff;
+ if(isprint(c)) {
+ putchar(c);
+ } else if(c == '\n') {
+ printf("(\\n)");
+ } else if(c == '\r') {
+ printf("(\\r)");
+ } else if(c == 0x1b) {
+ printf("(\\e)");
+ } else {
+ printf("(%02x)", c);
+ }
}
printf("ESC\\\n");
}
void
tputc(char *c, int len) {
uchar ascii = *c;
-
- if(iofd != -1)
- write(iofd, c, len);
-
- switch(ascii) {
- case '\t':
- tputtab(1);
- return;
- case '\b':
- tmoveto(term.c.x-1, term.c.y);
- return;
- case '\r':
- tmoveto(0, term.c.y);
- return;
- case '\f':
- case '\v':
- case '\n':
- /* go to first col if the mode is set */
- tnewline(IS_SET(MODE_CRLF));
- return;
- case '\a':
- if(term.esc & ESC_STR)
+ bool control = ascii < '\x20' || ascii == 0177;
+
+ if(iofd != -1) {
+ if (xwrite(iofd, c, len) < 0) {
+ fprintf(stderr, "Error writting in %s:%s\n",
+ opt_io, strerror(errno));
+ close(iofd);
+ iofd = -1;
+ }
+ }
+ /*
+ * STR sequences must be checked before anything else
+ * because it can use some control codes as part of the sequence.
+ */
+ if(term.esc & ESC_STR) {
+ switch(ascii) {
+ case '\033':
+ term.esc = ESC_START | ESC_STR_END;
break;
-
- if(!(xw.state & WIN_FOCUSED))
- xseturgency(1);
- return;
- case '\033':
- csireset();
- term.esc = ESC_START;
+ case '\a': /* backwards compatibility to xterm */
+ term.esc = 0;
+ strhandle();
+ break;
+ default:
+ strescseq.buf[strescseq.len++] = ascii;
+ if(strescseq.len+1 >= STR_BUF_SIZ) {
+ term.esc = 0;
+ strhandle();
+ }
+ }
return;
}
- if(term.esc & ESC_START) {
+ /*
+ * Actions of control codes must be performed as soon they arrive
+ * because they can be embedded inside a control sequence, and
+ * they must not cause conflicts with sequences.
+ */
+ if(control) {
+ switch(ascii) {
+ case '\t': /* HT */
+ tputtab(1);
+ return;
+ case '\b': /* BS */
+ tmoveto(term.c.x-1, term.c.y);
+ return;
+ case '\r': /* CR */
+ tmoveto(0, term.c.y);
+ return;
+ case '\f': /* LF */
+ case '\v': /* VT */
+ case '\n': /* LF */
+ /* go to first col if the mode is set */
+ tnewline(IS_SET(MODE_CRLF));
+ return;
+ case '\a': /* BEL */
+ if(!(xw.state & WIN_FOCUSED))
+ xseturgency(1);
+ return;
+ case '\033': /* ESC */
+ csireset();
+ term.esc = ESC_START;
+ return;
+ case '\016': /* SO */
+ term.c.attr.mode |= ATTR_GFX;
+ return;
+ case '\017': /* SI */
+ term.c.attr.mode &= ~ATTR_GFX;
+ return;
+ case '\032': /* SUB */
+ case '\030': /* CAN */
+ csireset();
+ return;
+ case '\005': /* ENQ (IGNORED) */
+ case '\000': /* NUL (IGNORED) */
+ case '\021': /* XON (IGNORED) */
+ case '\023': /* XOFF (IGNORED) */
+ case 0177: /* DEL (IGNORED) */
+ return;
+ }
+ } else if(term.esc & ESC_START) {
if(term.esc & ESC_CSI) {
csiescseq.buf[csiescseq.len++] = ascii;
- if(BETWEEN(ascii, 0x40, 0x7E) || csiescseq.len >= ESC_BUF_SIZ) {
+ if(BETWEEN(ascii, 0x40, 0x7E)
+ || csiescseq.len >= ESC_BUF_SIZ) {
term.esc = 0;
csiparse(), csihandle();
}
- } else if(term.esc & ESC_STR) {
- switch(ascii) {
- case '\033':
- term.esc = ESC_START | ESC_STR_END;
- break;
- case '\a': /* backwards compatibility to xterm */
- term.esc = 0;
- strhandle();
- break;
- default:
- strescseq.buf[strescseq.len++] = ascii;
- if(strescseq.len+1 >= STR_BUF_SIZ) {
- term.esc = 0;
- strhandle();
- }
- }
} else if(term.esc & ESC_STR_END) {
term.esc = 0;
if(ascii == '\\')
fprintf(stderr, "esc unhandled charset: ESC ( %c\n", ascii);
}
term.esc = 0;
+ } else if(term.esc & ESC_TEST) {
+ if(ascii == '8') { /* DEC screen alignment test. */
+ char E[UTF_SIZ] = "E";
+ int x, y;
+
+ for(x = 0; x < term.col; ++x) {
+ for(y = 0; y < term.row; ++y)
+ tsetchar(E, &term.c.attr, x, y);
+ }
+ }
+ term.esc = 0;
} else {
switch(ascii) {
case '[':
term.esc |= ESC_CSI;
break;
+ case '#':
+ term.esc |= ESC_TEST;
+ break;
case 'P': /* DCS -- Device Control String */
case '_': /* APC -- Application Program Command */
case '^': /* PM -- Privacy Message */
term.esc = 0;
break;
case 'D': /* IND -- Linefeed */
- if(term.c.y == term.bot)
+ if(term.c.y == term.bot) {
tscrollup(term.top, 1);
- else
+ } else {
tmoveto(term.c.x, term.c.y+1);
+ }
term.esc = 0;
break;
case 'E': /* NEL -- Next line */
term.esc = 0;
break;
case 'M': /* RI -- Reverse index */
- if(term.c.y == term.top)
+ if(term.c.y == term.top) {
tscrolldown(term.top, 1);
- else
+ } else {
tmoveto(term.c.x, term.c.y-1);
+ }
+ term.esc = 0;
+ break;
+ case 'Z': /* DECID -- Identify Terminal */
+ ttywrite(VT102ID, sizeof(VT102ID) - 1);
term.esc = 0;
break;
case 'c': /* RIS -- Reset to inital state */
treset();
term.esc = 0;
- xclearborders();
xresettitle();
break;
case '=': /* DECPAM -- Application keypad */
break;
default:
fprintf(stderr, "erresc: unknown sequence ESC 0x%02X '%c'\n",
- (uchar) ascii, isprint(ascii)?ascii:'.');
+ (uchar) ascii, isprint(ascii)? ascii:'.');
term.esc = 0;
}
}
- } else {
- if(sel.bx != -1 && BETWEEN(term.c.y, sel.by, sel.ey))
- sel.bx = -1;
- if(ascii >= '\020' || term.c.attr.mode & ATTR_GFX) {
- if(IS_SET(MODE_WRAP) && term.c.state & CURSOR_WRAPNEXT)
- tnewline(1); /* always go to first col */
- tsetchar(c);
- if(term.c.x+1 < term.col)
- tmoveto(term.c.x+1, term.c.y);
- else
- term.c.state |= CURSOR_WRAPNEXT;
- }
+ /*
+ * All characters which forms part of a sequence are not
+ * printed
+ */
+ return;
}
+ /*
+ * Display control codes only if we are in graphic mode
+ */
+ if(control && !(term.c.attr.mode & ATTR_GFX))
+ return;
+ if(sel.bx != -1 && BETWEEN(term.c.y, sel.by, sel.ey))
+ sel.bx = -1;
+ if(IS_SET(MODE_WRAP) && term.c.state & CURSOR_WRAPNEXT)
+ tnewline(1); /* always go to first col */
+ tsetchar(c, &term.c.attr, term.c.x, term.c.y);
+ if(term.c.x+1 < term.col)
+ tmoveto(term.c.x+1, term.c.y);
+ else
+ term.c.state |= CURSOR_WRAPNEXT;
}
int
int minrow = MIN(row, term.row);
int mincol = MIN(col, term.col);
int slide = term.c.y - row + 1;
+ bool *bp;
if(col < 1 || row < 1)
return 0;
term.alt [i] = xcalloc(col, sizeof(Glyph));
}
if(col > term.col) {
- bool *bp = term.tabs + term.col;
+ bp = term.tabs + term.col;
memset(bp, 0, sizeof(*term.tabs) * (col - term.col));
while(--bp > term.tabs && !*bp)
/* nothing */ ;
- for(bp += TAB; bp < term.tabs + col; bp += TAB)
+ for(bp += tabspaces; bp < term.tabs + col; bp += tabspaces)
*bp = 1;
}
/* update terminal size */
- term.col = col, term.row = row;
- /* make use of the LIMIT in tmoveto */
- tmoveto(term.c.x, term.c.y);
+ term.col = col;
+ term.row = row;
/* reset scrolling region */
tsetscroll(0, row-1);
+ /* make use of the LIMIT in tmoveto */
+ tmoveto(term.c.x, term.c.y);
return (slide > 0);
}
void
xresize(int col, int row) {
- xw.tw = MAX(1, 2*BORDER + col * xw.cw);
- xw.th = MAX(1, 2*BORDER + row * xw.ch);
+ xw.tw = MAX(1, 2*borderpx + col * xw.cw);
+ xw.th = MAX(1, 2*borderpx + row * xw.ch);
XftDrawChange(xw.xft_draw, xw.buf);
}
for(r = 0; r < 24; r++, i++) {
xft_color.red = xft_color.green = xft_color.blue = 0x0808 + 0x0a0a * r;
- if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &xft_color, &dc.xft_col[i])) {
+ if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &xft_color,
+ &dc.xft_col[i])) {
die("Could not allocate color %d\n", i);
}
}
void
xtermclear(int col1, int row1, int col2, int row2) {
XftDrawRect(xw.xft_draw,
- &dc.xft_col[IS_SET(MODE_REVERSE) ? DefaultFG : DefaultBG],
- BORDER + col1 * xw.cw,
- BORDER + row1 * xw.ch,
+ &dc.xft_col[IS_SET(MODE_REVERSE) ? defaultfg : defaultbg],
+ borderpx + col1 * xw.cw,
+ borderpx + row1 * xw.ch,
(col2-col1+1) * xw.cw,
(row2-row1+1) * xw.ch);
}
void
xclear(int x1, int y1, int x2, int y2) {
XftDrawRect(xw.xft_draw,
- &dc.xft_col[IS_SET(MODE_REVERSE) ? DefaultFG : DefaultBG],
+ &dc.xft_col[IS_SET(MODE_REVERSE) ? defaultfg : defaultbg],
x1, y1, x2-x1, y2-y1);
}
void
-xclearborders(void) {
- /* top and left border */
- xclear(0, 0, BORDER, xw.h);
- xclear(0, 0, xw.w, BORDER);
-
- /* lower and right border */
- xclear(BORDER, xw.th - 1, xw.w, xw.h);
- /* Will just draw what hasn't been drawn by the previous call. */
- xclear(xw.tw - 1, BORDER, xw.w, xw.h - xw.th - 2);
-}
-
-void
xhints(void) {
- XClassHint class = {opt_class ? opt_class : TNAME, TNAME};
+ XClassHint class = {opt_class ? opt_class : termname, termname};
XWMHints wm = {.flags = InputHint, .input = 1};
XSizeHints *sizeh = NULL;
sizeh->width = xw.w;
sizeh->height_inc = xw.ch;
sizeh->width_inc = xw.cw;
- sizeh->base_height = 2*BORDER;
- sizeh->base_width = 2*BORDER;
+ sizeh->base_height = 2*borderpx;
+ sizeh->base_width = 2*borderpx;
} else {
sizeh->flags = PMaxSize | PMinSize;
sizeh->min_width = sizeh->max_width = xw.fw;
XFree(sizeh);
}
-void
-xinitfont(Font *f, char *fontstr) {
- FcPattern *pattern, *match;
+int
+xloadfont(Font *f, FcPattern *pattern) {
+ FcPattern *match;
FcResult result;
- pattern = FcNameParse((FcChar8 *)fontstr);
- if(!pattern)
- die("st: can't open font %s\n", fontstr);
-
match = XftFontMatch(xw.dpy, xw.scr, pattern, &result);
- FcPatternDestroy(pattern);
if(!match)
- die("st: can't open font %s\n", fontstr);
+ return 1;
if(!(f->xft_set = XftFontOpenPattern(xw.dpy, match))) {
FcPatternDestroy(match);
- die("st: can't open font %s.\n", fontstr);
+ return 1;
}
f->ascent = f->xft_set->ascent;
f->height = f->xft_set->height;
f->width = f->lbearing + f->rbearing;
+
+ return 0;
}
void
-initfonts(char *fontstr) {
- char *fstr;
+xloadfonts(char *fontstr, int fontsize) {
+ FcPattern *pattern;
+ FcResult result;
+ double fontval;
+
+ if(fontstr[0] == '-') {
+ pattern = XftXlfdParse(fontstr, False, False);
+ } else {
+ pattern = FcNameParse((FcChar8 *)fontstr);
+ }
- xinitfont(&dc.font, fontstr);
+ if(!pattern)
+ die("st: can't open font %s\n", fontstr);
+
+ if(fontsize > 0) {
+ FcPatternDel(pattern, FC_PIXEL_SIZE);
+ FcPatternAddDouble(pattern, FC_PIXEL_SIZE, (double)fontsize);
+ usedfontsize = fontsize;
+ } else {
+ result = FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval);
+ if(result == FcResultMatch) {
+ usedfontsize = (int)fontval;
+ } else {
+ /*
+ * Default font size is 12, if none given. This is to
+ * have a known usedfontsize value.
+ */
+ FcPatternAddDouble(pattern, FC_PIXEL_SIZE, 12);
+ usedfontsize = 12;
+ }
+ }
+
+ if(xloadfont(&dc.font, pattern))
+ die("st: can't open font %s\n", fontstr);
+
+ /* Setting character width and height. */
xw.cw = dc.font.width;
xw.ch = dc.font.height;
- fstr = smstrcat(fontstr, ":weight=bold", NULL);
- xinitfont(&dc.bfont, fstr);
- free(fstr);
+ FcPatternDel(pattern, FC_WEIGHT);
+ FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_BOLD);
+ if(xloadfont(&dc.bfont, pattern))
+ die("st: can't open font %s\n", fontstr);
+
+ FcPatternDel(pattern, FC_SLANT);
+ FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC);
+ if(xloadfont(&dc.ibfont, pattern))
+ die("st: can't open font %s\n", fontstr);
+
+ FcPatternDel(pattern, FC_WEIGHT);
+ if(xloadfont(&dc.ifont, pattern))
+ die("st: can't open font %s\n", fontstr);
- fstr = smstrcat(fontstr, ":slant=italic,oblique", NULL);
- xinitfont(&dc.ifont, fstr);
- free(fstr);
+ FcPatternDestroy(pattern);
+}
- fstr = smstrcat(fontstr, ":weight=bold:slant=italic,oblique", NULL);
- xinitfont(&dc.ibfont, fstr);
- free(fstr);
+void
+xzoom(const Arg *arg)
+{
+ xloadfonts(usedfont, usedfontsize + arg->i);
+ cresize(0, 0);
+ draw();
}
void
xw.vis = XDefaultVisual(xw.dpy, xw.scr);
/* font */
- initfonts((opt_font != NULL)? opt_font : FONT);
+ usedfont = (opt_font == NULL)? font : opt_font;
+ xloadfonts(usedfont, 0);
/* colors */
xw.cmap = XDefaultColormap(xw.dpy, xw.scr);
xw.w = xw.fw;
} else {
/* window - default size */
- xw.h = 2*BORDER + term.row * xw.ch;
- xw.w = 2*BORDER + term.col * xw.cw;
+ xw.h = 2*borderpx + term.row * xw.ch;
+ xw.w = 2*borderpx + term.col * xw.cw;
xw.fx = 0;
xw.fy = 0;
}
- attrs.background_pixel = dc.xft_col[DefaultBG].pixel;
- attrs.border_pixel = dc.xft_col[DefaultBG].pixel;
+ attrs.background_pixel = dc.xft_col[defaultbg].pixel;
+ attrs.border_pixel = dc.xft_col[defaultbg].pixel;
attrs.bit_gravity = NorthWestGravity;
attrs.event_mask = FocusChangeMask | KeyPressMask
| ExposureMask | VisibilityChangeMask | StructureNotifyMask
void
xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
- int winx = BORDER+x*xw.cw, winy = BORDER+y*xw.ch,
- width = charlen*xw.cw;
+ int winx = borderpx + x * xw.cw, winy = borderpx + y * xw.ch,
+ width = charlen * xw.cw;
Font *font = &dc.font;
XGlyphInfo extents;
XftColor *fg = &dc.xft_col[base.fg], *bg = &dc.xft_col[base.bg],
*temp, revfg, revbg;
XRenderColor colfg, colbg;
- if(base.mode & ATTR_REVERSE)
- temp = fg, fg = bg, bg = temp;
-
if(base.mode & ATTR_BOLD) {
if(BETWEEN(base.fg, 0, 7)) {
/* basic system colors */
* Those ranges will not be brightened:
* 8 - 15 – bright system colors
* 196 - 231 – highest 256 color cube
- * 252 - 255 – brightest colors in grescale
+ * 252 - 255 – brightest colors in greyscale
*/
font = &dc.bfont;
}
if(base.mode & ATTR_ITALIC)
font = &dc.ifont;
- if(base.mode & (ATTR_ITALIC|ATTR_ITALIC))
+ if((base.mode & ATTR_ITALIC) && (base.mode & ATTR_BOLD))
font = &dc.ibfont;
if(IS_SET(MODE_REVERSE)) {
- if(fg == &dc.xft_col[DefaultFG]) {
- fg = &dc.xft_col[DefaultBG];
+ if(fg == &dc.xft_col[defaultfg]) {
+ fg = &dc.xft_col[defaultbg];
} else {
colfg.red = ~fg->color.red;
colfg.green = ~fg->color.green;
fg = &revfg;
}
- if(bg == &dc.xft_col[DefaultBG]) {
- bg = &dc.xft_col[DefaultFG];
+ if(bg == &dc.xft_col[defaultbg]) {
+ bg = &dc.xft_col[defaultfg];
} else {
colbg.red = ~bg->color.red;
colbg.green = ~bg->color.green;
}
}
+ if(base.mode & ATTR_REVERSE)
+ temp = fg, fg = bg, bg = temp;
+
XftTextExtentsUtf8(xw.dpy, font->xft_set, (FcChar8 *)s, bytelen,
&extents);
width = extents.xOff;
+ /* Intelligent cleaning up of the borders. */
+ if(x == 0) {
+ xclear(0, (y == 0)? 0 : winy, borderpx,
+ winy + xw.ch + (y == term.row-1)? xw.h : 0);
+ }
+ if(x + charlen >= term.col-1) {
+ xclear(winx + width, (y == 0)? 0 : winy, xw.w,
+ (y == term.row-1)? xw.h : (winy + xw.ch));
+ }
+ if(y == 0)
+ xclear(winx, 0, winx + width, borderpx);
+ if(y == term.row-1)
+ xclear(winx, winy + xw.ch, winx + width, xw.h);
+
XftDrawRect(xw.xft_draw, bg, winx, winy, width, xw.ch);
XftDrawStringUtf8(xw.xft_draw, fg, font->xft_set, winx,
winy + font->ascent, (FcChar8 *)s, bytelen);
void
xdrawcursor(void) {
- static int oldx = 0;
- static int oldy = 0;
+ static int oldx = 0, oldy = 0;
int sl;
- Glyph g = {{' '}, ATTR_NULL, DefaultBG, DefaultCS, 0};
+ Glyph g = {{' '}, ATTR_NULL, defaultbg, defaultcs, 0};
LIMIT(oldx, 0, term.col-1);
LIMIT(oldy, 0, term.row-1);
/* remove the old cursor */
if(term.line[oldy][oldx].state & GLYPH_SET) {
sl = utf8size(term.line[oldy][oldx].c);
- xdraws(term.line[oldy][oldx].c, term.line[oldy][oldx], oldx, oldy, 1, sl);
- } else
+ xdraws(term.line[oldy][oldx].c, term.line[oldy][oldx], oldx,
+ oldy, 1, sl);
+ } else {
xtermclear(oldx, oldy, oldx, oldy);
+ }
/* draw the new one */
- if(!(term.c.state & CURSOR_HIDE)) {
+ if(!(IS_SET(MODE_HIDE))) {
if(!(xw.state & WIN_FOCUSED))
- g.bg = DefaultUCS;
+ g.bg = defaultucs;
if(IS_SET(MODE_REVERSE))
- g.mode |= ATTR_REVERSE, g.fg = DefaultCS, g.bg = DefaultFG;
+ g.mode |= ATTR_REVERSE, g.fg = defaultcs, g.bg = defaultfg;
sl = utf8size(g.c);
xdraws(g.c, g, term.c.x, term.c.y, 1, sl);
redraw(void) {
struct timespec tv = {0, REDRAW_TIMEOUT * 1000};
- xclearborders();
tfulldirt();
draw();
XSync(xw.dpy, False); /* necessary for a good tput flash */
int ic, ib, x, y, ox, sl;
Glyph base, new;
char buf[DRAW_BUF_SIZ];
- bool ena_sel = sel.bx != -1, alt = IS_SET(MODE_ALTSCREEN);
+ bool ena_sel = sel.bx != -1, alt = IS_SET(MODE_ALTSCREEN) != 0;
- if((sel.alt && !alt) || (!sel.alt && alt))
+ if((sel.alt != 0) ^ alt)
ena_sel = 0;
if(!(xw.state & WIN_VISIBLE))
return;
for(y = y1; y < y2; y++) {
if(!term.dirty[y])
continue;
+
xtermclear(0, y, term.col, y);
term.dirty[y] = 0;
base = term.line[y][0];
new = term.line[y][x];
if(ena_sel && *(new.c) && selected(x, y))
new.mode ^= ATTR_REVERSE;
- if(ib > 0 && (!(new.state & GLYPH_SET) || ATTRCMP(base, new) ||
- ib >= DRAW_BUF_SIZ-UTF_SIZ)) {
+ if(ib > 0 && (!(new.state & GLYPH_SET)
+ || ATTRCMP(base, new)
+ || ib >= DRAW_BUF_SIZ-UTF_SIZ)) {
xdraws(buf, base, ox, y, ic, ib);
ic = ib = 0;
}
void
expose(XEvent *ev) {
XExposeEvent *e = &ev->xexpose;
+
if(xw.state & WIN_REDRAW) {
if(!e->count)
xw.state &= ~WIN_REDRAW;
void
visibility(XEvent *ev) {
XVisibilityEvent *e = &ev->xvisibility;
- if(e->state == VisibilityFullyObscured)
+
+ if(e->state == VisibilityFullyObscured) {
xw.state &= ~WIN_VISIBLE;
- else if(!(xw.state & WIN_VISIBLE))
+ } else if(!(xw.state & WIN_VISIBLE)) {
/* need a full redraw for next Expose, not just a buf copy */
xw.state |= WIN_VISIBLE | WIN_REDRAW;
+ }
}
void
void
xseturgency(int add) {
XWMHints *h = XGetWMHints(xw.dpy, xw.win);
+
h->flags = add ? (h->flags | XUrgencyHint) : (h->flags & ~XUrgencyHint);
XSetWMHints(xw.dpy, xw.win, h);
XFree(h);
void
focus(XEvent *ev) {
if(ev->type == FocusIn) {
+ XSetICFocus(xw.xic);
xw.state |= WIN_FOCUSED;
xseturgency(0);
- } else
+ } else {
+ XUnsetICFocus(xw.xic);
xw.state &= ~WIN_FOCUSED;
+ }
}
char*
kmap(KeySym k, uint state) {
int i;
+ uint mask;
+
state &= ~Mod2Mask;
for(i = 0; i < LEN(key); i++) {
- uint mask = key[i].mask;
- if(key[i].k == k && ((state & mask) == mask || (mask == XK_NO_MOD && !state)))
+ mask = key[i].mask;
+
+ if(key[i].k == k && ((state & mask) == mask
+ || (mask == XK_NO_MOD && !state))) {
return (char*)key[i].s;
+ }
}
return NULL;
}
kpress(XEvent *ev) {
XKeyEvent *e = &ev->xkey;
KeySym ksym;
- char buf[32];
- char *customkey;
- int len;
- int meta;
- int shift;
+ char buf[32], *customkey;
+ int len, meta, shift, i;
Status status;
if (IS_SET(MODE_KBDLOCK))
return;
+
meta = e->state & Mod1Mask;
shift = e->state & ShiftMask;
len = XmbLookupString(xw.xic, e, buf, sizeof(buf), &ksym, &status);
- /* 1. custom keys from config.h */
- if((customkey = kmap(ksym, e->state)))
+ /* 1. shortcuts */
+ for(i = 0; i < LEN(shortcuts); i++) {
+ if((ksym == shortcuts[i].keysym)
+ && (CLEANMASK(shortcuts[i].mod) == \
+ CLEANMASK(e->state))
+ && shortcuts[i].func) {
+ shortcuts[i].func(&(shortcuts[i].arg));
+ }
+ }
+
+ /* 2. custom keys from config.h */
+ if((customkey = kmap(ksym, e->state))) {
ttywrite(customkey, strlen(customkey));
/* 2. hardcoded (overrides X lookup) */
- else
+ } else {
switch(ksym) {
case XK_Up:
case XK_Down:
case XK_Left:
case XK_Right:
/* XXX: shift up/down doesn't work */
- sprintf(buf, "\033%c%c", IS_SET(MODE_APPKEYPAD) ? 'O' : '[', (shift ? "dacb":"DACB")[ksym - XK_Left]);
+ sprintf(buf, "\033%c%c",
+ IS_SET(MODE_APPKEYPAD) ? 'O' : '[',
+ (shift ? "dacb":"DACB")[ksym - XK_Left]);
ttywrite(buf, 3);
break;
case XK_Insert:
selpaste();
break;
case XK_Return:
- if(IS_SET(MODE_CRLF))
+ if(meta)
+ ttywrite("\033", 1);
+
+ if(IS_SET(MODE_CRLF)) {
ttywrite("\r\n", 2);
- else
+ } else {
ttywrite("\r", 1);
+ }
break;
/* 3. X lookup */
default:
}
break;
}
+ }
}
void
}
void
-resize(XEvent *e) {
+cresize(int width, int height)
+{
int col, row;
- if(e->xconfigure.width == xw.w && e->xconfigure.height == xw.h)
- return;
+ if(width != 0)
+ xw.w = width;
+ if(height != 0)
+ xw.h = height;
- xw.w = e->xconfigure.width;
- xw.h = e->xconfigure.height;
- col = (xw.w - 2*BORDER) / xw.cw;
- row = (xw.h - 2*BORDER) / xw.ch;
- if(col == term.col && row == term.row)
- return;
+ col = (xw.w - 2*borderpx) / xw.cw;
+ row = (xw.h - 2*borderpx) / xw.ch;
tresize(col, row);
xresize(col, row);
- xclearborders();
ttyresize();
}
void
+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) {
XEvent ev;
fd_set rfd;
while(XPending(xw.dpy)) {
XNextEvent(xw.dpy, &ev);
- if(XFilterEvent(&ev, xw.win))
+ if(XFilterEvent(&ev, None))
continue;
if(handler[ev.type])
(handler[ev.type])(&ev);
}
}
- run:
+run:
setlocale(LC_CTYPE, "");
+ XSetLocaleModifiers("");
tnew(80, 24);
- ttynew();
xinit();
+ ttynew();
selinit();
run();
return 0;
Got questions, comments, patches, etc.? Contact Jason Woofenden