#include <fcntl.h>
#include <limits.h>
#include <locale.h>
+#include <pwd.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdio.h>
#include <X11/cursorfont.h>
#include <X11/keysym.h>
#include <X11/extensions/Xdbe.h>
+#include <X11/Xft/Xft.h>
+#include <fontconfig/fontconfig.h>
+
+#define Glyph Glyph_
+#define Font Font_
+#define Draw XftDraw *
+#define Colour XftColor
+#define Colourmap Colormap
#if defined(__linux)
#include <pty.h>
#define USAGE \
"st " VERSION " (c) 2010-2012 st engineers\n" \
- "usage: st [-t title] [-c class] [-g geometry]" \
- " [-w windowid] [-v] [-f file] [-e command...]\n"
+ "usage: st [-v] [-c class] [-f font] [-g geometry] [-o file]" \
+ " [-t title] [-w windowid] [-e command ...]\n"
/* XEMBED messages */
#define XEMBED_FOCUS_IN 4
#define ESC_ARG_SIZ 16
#define STR_BUF_SIZ 256
#define STR_ARG_SIZ 16
-#define DRAW_BUF_SIZ 1024
+#define DRAW_BUF_SIZ 20*1024
#define UTF_SIZ 4
#define XK_NO_MOD UINT_MAX
#define XK_ANY_MOD 0
#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 {
};
enum term_mode {
- MODE_WRAP = 1,
+ MODE_WRAP = 1,
MODE_INSERT = 2,
MODE_APPKEYPAD = 4,
MODE_ALTSCREEN = 8,
- MODE_CRLF = 16,
+ MODE_CRLF = 16,
MODE_MOUSEBTN = 32,
MODE_MOUSEMOTION = 64,
MODE_MOUSE = 32|64,
- MODE_REVERSE = 128
+ MODE_REVERSE = 128,
+ MODE_KBDLOCK = 256,
+ MODE_HIDE = 512,
+ MODE_ECHO = 1024
};
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 */
/* Purely graphic info */
typedef struct {
- Display* dpy;
- Colormap cmap;
+ Display *dpy;
+ Colourmap cmap;
Window win;
XdbeBackBuffer buf;
- Atom xembed;
+ Atom xembed, wmdeletewin;
XIM xim;
XIC xic;
+ Draw draw;
+ Visual *vis;
int scr;
- Bool isfixed; /* is fixed geometry? */
+ bool isfixed; /* is fixed geometry? */
int fx, fy, fw, fh; /* fixed geometry */
+ int tw, th; /* tty width and height */
int w; /* window width */
int h; /* window height */
int ch; /* char height */
char s[ESC_BUF_SIZ];
} Key;
-
/* TODO: use better name for vars... */
typedef struct {
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 */
+typedef struct {
+ int height;
+ int width;
+ int ascent;
+ int descent;
+ short lbearing;
+ short rbearing;
+ XftFont *set;
+} Font;
+
/* Drawing Context */
typedef struct {
- ulong col[LEN(colorname) < 256 ? 256 : LEN(colorname)];
- GC gc;
- struct {
- int ascent;
- int descent;
- short lbearing;
- short rbearing;
- XFontSet set;
- } font, bfont, ifont, ibfont;
+ Colour col[LEN(colorname) < 256 ? 256 : LEN(colorname)];
+ 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*);
+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 tsetmode(bool, bool, int *, int);
static void tfulldirt(void);
+static void techo(char *, int);
static void ttynew(void);
static void ttyread(void);
-static void ttyresize(int, int);
+static void ttyresize(void);
static void ttywrite(const char *, size_t);
static void xdraws(char *, Glyph, int, int, int, int);
static void xresettitle(void);
static void xseturgency(int);
static void xsetsel(char*);
+static void xtermclear(int, int, int, int);
static void xresize(int, int);
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 void (*handler[LASTEvent])(XEvent *) = {
[KeyPress] = kpress,
static pid_t pid;
static Selection sel;
static int iofd = -1;
-static char **opt_cmd = NULL;
-static char *opt_io = NULL;
+static char **opt_cmd = NULL;
+static char *opt_io = NULL;
static char *opt_title = NULL;
static char *opt_embed = NULL;
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");
+ die("Out of memory\n");
+
return p;
}
void *
xrealloc(void *p, size_t len) {
if((p = realloc(p, len)) == NULL)
- die("Out of memory");
+ 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;
}
} 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++) {
- is_selected = selected(x, y);
- if((term.line[y][x].state & GLYPH_SET) && is_selected) {
- int size = utf8size(term.line[y][x].c);
- memcpy(ptr, term.line[y][x].c, size);
- ptr += size;
- }
- }
+ 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);
+ ptr += size;
+ }
/* \n at the end of every selected line except for the last one */
if(is_selected && y < sel.e.y)
*ptr++ = '\n';
}
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
sigchld(int a) {
int stat = 0;
+
if(waitpid(pid, &stat, 0) < 0)
die("Waiting for pid %hd failed: %s\n", pid, SERRNO);
- if(WIFEXITED(stat))
+
+ if(WIFEXITED(stat)) {
exit(WEXITSTATUS(stat));
- else
+ } else {
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");
while(buflen >= UTF_SIZ || isfullutf8(ptr,buflen)) {
charsize = utf8decode(ptr, &utf8c);
utf8encode(&utf8c, s);
- tputc(s);
- ptr += charsize;
+ tputc(s, charsize);
+ ptr += charsize;
buflen -= charsize;
}
}
void
-ttyresize(int x, int y) {
+ttyresize(void) {
struct winsize w;
w.ws_row = term.row;
w.ws_col = term.col;
- w.ws_xpixel = xw.w;
- w.ws_ypixel = xw.h;
+ w.ws_xpixel = xw.tw;
+ w.ws_ypixel = xw.th;
if(ioctl(cmdfd, TIOCSWINSZ, &w) < 0)
fprintf(stderr, "Couldn't set window size: %s\n", SERRNO);
}
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) {
- unsigned i;
+ 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) {
- 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;
+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(attr->mode & ATTR_GFX) {
+ if(c[0] >= 0x41 && c[0] <= 0x7e
+ && vt100_0[c[0] - 0x41]) {
+ c = vt100_0[c[0] - 0x41];
+ }
+ }
+
+ 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;
}
}
void
tsetmode(bool priv, bool set, int *args, int narg) {
int *lim, mode;
+ bool alt;
for(lim = args + narg; args < lim; ++args) {
if(priv) {
switch(*args) {
- case 1:
+ break;
+ case 1: /* DECCKM -- Cursor key */
MODBIT(term.mode, set, MODE_APPKEYPAD);
break;
- case 5: /* DECSCNM -- Reverve video */
+ case 5: /* DECSCNM -- Reverse video */
mode = term.mode;
- MODBIT(term.mode,set, MODE_REVERSE);
+ MODBIT(term.mode, set, MODE_REVERSE);
if(mode != term.mode)
redraw();
break;
- case 7:
- MODBIT(term.mode, set, MODE_WRAP);
+ case 6: /* DECOM -- Origin */
+ MODBIT(term.c.state, set, CURSOR_ORIGIN);
+ tmoveato(0, 0);
break;
- case 20:
- MODBIT(term.mode, set, MODE_CRLF);
+ case 7: /* DECAWM -- Auto wrap */
+ MODBIT(term.mode, set, MODE_WRAP);
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: {
+ 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);
}
} else {
switch(*args) {
- case 4:
+ case 0: /* Error (IGNORED) */
+ break;
+ case 2: /* KAM -- keyboard action */
+ MODBIT(term.mode, set, MODE_KBDLOCK);
+ break;
+ case 4: /* IRM -- Insertion-replacement */
MODBIT(term.mode, set, MODE_INSERT);
break;
+ case 12: /* SRM -- Send/Receive */
+ MODBIT(term.mode, !set, MODE_ECHO);
+ break;
+ case 20: /* LNM -- Linefeed/new line */
+ MODBIT(term.mode, set, MODE_CRLF);
+ break;
default:
fprintf(stderr,
"erresc: unknown set/reset mode %d\n",
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
tputtab(bool forward) {
- unsigned x = term.c.x;
+ uint x = term.c.x;
if(forward) {
if(x == term.col)
}
void
-tputc(char *c) {
- char ascii = *c;
+techo(char *buf, int len) {
+ for(; len > 0; buf++, len--) {
+ char c = *buf;
+
+ if(c == '\033') { /* escape */
+ tputc("^", 1);
+ tputc("[", 1);
+ } else if (c < '\x20') { /* control code */
+ if(c != '\n' && c != '\r' && c != '\t') {
+ c |= '\x40';
+ tputc("^", 1);
+ }
+ tputc(&c, 1);
+ } else {
+ break;
+ }
+ }
+ if (len)
+ tputc(buf, len);
+}
- if(iofd != -1)
- write(iofd, c, 1);
+void
+tputc(char *c, int len) {
+ uchar ascii = *c;
+ bool control = ascii < '\x20' || ascii == 0177;
- if(term.esc & ESC_START) {
+ 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;
+ 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;
+ }
+
+ /*
+ * 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 == '\\')
strhandle();
} else if(term.esc & ESC_ALTCHARSET) {
switch(ascii) {
- case '0': /* Line drawing crap */
+ case '0': /* Line drawing set */
term.c.attr.mode |= ATTR_GFX;
break;
- case 'B': /* Back to regular text */
+ case 'B': /* USASCII */
term.c.attr.mode &= ~ATTR_GFX;
break;
+ case 'A': /* UK (IGNORED) */
+ case '<': /* multinational charset (IGNORED) */
+ case '5': /* Finnish (IGNORED) */
+ case 'C': /* Finnish (IGNORED) */
+ case 'K': /* German (IGNORED) */
+ break;
default:
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 */
strescseq.type = ascii;
term.esc |= ESC_STR;
break;
- case '(':
+ case '(': /* set primary charset G0 */
term.esc |= ESC_ALTCHARSET;
break;
+ case ')': /* set secondary charset G1 (IGNORED) */
+ case '*': /* set tertiary charset G2 (IGNORED) */
+ case '+': /* set quaternary charset G3 (IGNORED) */
+ 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 */
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;
- switch(ascii) {
- case '\0': /* padding character, do nothing */
- break;
- case '\t':
- tputtab(1);
- break;
- case '\b':
- tmoveto(term.c.x-1, term.c.y);
- break;
- case '\r':
- tmoveto(0, term.c.y);
- break;
- case '\f':
- case '\v':
- case '\n':
- /* go to first col if the mode is set */
- tnewline(IS_SET(MODE_CRLF));
- break;
- case '\a':
- if(!(xw.state & WIN_FOCUSED))
- xseturgency(1);
- break;
- case '\033':
- csireset();
- term.esc = ESC_START;
- break;
- default:
- 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;
/* allocate any new rows */
for(/* i == minrow */; i < row; i++) {
term.dirty[i] = 1;
- term.line[i] = calloc(col, sizeof(Glyph));
- term.alt [i] = calloc(col, sizeof(Glyph));
+ term.line[i] = xcalloc(col, sizeof(Glyph));
+ 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.w = MAX(1, 2*BORDER + col * xw.cw);
- xw.h = 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.draw, xw.buf);
}
void
xloadcols(void) {
int i, r, g, b;
- XColor color;
- ulong white = WhitePixel(xw.dpy, xw.scr);
+ XRenderColor color = { .alpha = 0 };
/* load colors [0-15] colors and [256-LEN(colorname)[ (config.h) */
for(i = 0; i < LEN(colorname); i++) {
if(!colorname[i])
continue;
- if(!XAllocNamedColor(xw.dpy, xw.cmap, colorname[i], &color, &color)) {
- dc.col[i] = white;
- fprintf(stderr, "Could not allocate color '%s'\n", colorname[i]);
- } else
- dc.col[i] = color.pixel;
+ if(!XftColorAllocName(xw.dpy, xw.vis, xw.cmap, colorname[i], &dc.col[i])) {
+ die("Could not allocate color '%s'\n", colorname[i]);
+ }
}
/* load colors [16-255] ; same colors as xterm */
- for(i = 16, r = 0; r < 6; r++)
- for(g = 0; g < 6; g++)
+ for(i = 16, r = 0; r < 6; r++) {
+ for(g = 0; g < 6; g++) {
for(b = 0; b < 6; b++) {
color.red = r == 0 ? 0 : 0x3737 + 0x2828 * r;
color.green = g == 0 ? 0 : 0x3737 + 0x2828 * g;
color.blue = b == 0 ? 0 : 0x3737 + 0x2828 * b;
- if(!XAllocColor(xw.dpy, xw.cmap, &color)) {
- dc.col[i] = white;
- fprintf(stderr, "Could not allocate color %d\n", i);
- } else
- dc.col[i] = color.pixel;
+ if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color, &dc.col[i])) {
+ die("Could not allocate color %d\n", i);
+ }
i++;
}
+ }
+ }
for(r = 0; r < 24; r++, i++) {
color.red = color.green = color.blue = 0x0808 + 0x0a0a * r;
- if(!XAllocColor(xw.dpy, xw.cmap, &color)) {
- dc.col[i] = white;
- fprintf(stderr, "Could not allocate color %d\n", i);
- } else
- dc.col[i] = color.pixel;
+ if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color,
+ &dc.col[i])) {
+ die("Could not allocate color %d\n", i);
+ }
}
}
+void
+xtermclear(int col1, int row1, int col2, int row2) {
+ XftDrawRect(xw.draw,
+ &dc.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);
+}
+
+/*
+ * Absolute coordinates.
+ */
void
xclear(int x1, int y1, int x2, int y2) {
- XSetForeground(xw.dpy, dc.gc, dc.col[IS_SET(MODE_REVERSE) ? DefaultFG : DefaultBG]);
- XFillRectangle(xw.dpy, xw.buf, dc.gc,
- BORDER + x1 * xw.cw, BORDER + y1 * xw.ch,
- (x2-x1+1) * xw.cw, (y2-y1+1) * xw.ch);
+ XftDrawRect(xw.draw,
+ &dc.col[IS_SET(MODE_REVERSE) ? defaultfg : defaultbg],
+ x1, y1, x2-x1, y2-y1);
}
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);
}
-XFontSet
-xinitfont(char *fontstr) {
- XFontSet set;
- char *def, **missing;
- int n;
+int
+xloadfont(Font *f, FcPattern *pattern) {
+ FcPattern *match;
+ FcResult result;
- missing = NULL;
- set = XCreateFontSet(xw.dpy, fontstr, &missing, &n, &def);
- if(missing) {
- while(n--)
- fprintf(stderr, "st: missing fontset: %s\n", missing[n]);
- XFreeStringList(missing);
+ match = XftFontMatch(xw.dpy, xw.scr, pattern, &result);
+ if(!match)
+ return 1;
+ if(!(f->set = XftFontOpenPattern(xw.dpy, match))) {
+ FcPatternDestroy(match);
+ return 1;
}
- return set;
+
+ f->ascent = f->set->ascent;
+ f->descent = f->set->descent;
+ f->lbearing = 0;
+ f->rbearing = f->set->max_advance_width;
+
+ f->height = f->set->height;
+ f->width = f->lbearing + f->rbearing;
+
+ return 0;
}
void
-xgetfontinfo(XFontSet set, int *ascent, int *descent, short *lbearing, short *rbearing) {
- XFontStruct **xfonts;
- char **font_names;
- int i, n;
+xloadfonts(char *fontstr, int fontsize) {
+ FcPattern *pattern;
+ FcResult result;
+ double fontval;
+
+ if(fontstr[0] == '-') {
+ pattern = XftXlfdParse(fontstr, False, False);
+ } else {
+ pattern = FcNameParse((FcChar8 *)fontstr);
+ }
+
+ if(!pattern)
+ die("st: can't open font %s\n", fontstr);
- *ascent = *descent = *lbearing = *rbearing = 0;
- n = XFontsOfFontSet(set, &xfonts, &font_names);
- for(i = 0; i < n; i++) {
- *ascent = MAX(*ascent, (*xfonts)->ascent);
- *descent = MAX(*descent, (*xfonts)->descent);
- *lbearing = MAX(*lbearing, (*xfonts)->min_bounds.lbearing);
- *rbearing = MAX(*rbearing, (*xfonts)->max_bounds.rbearing);
- xfonts++;
+ 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;
+
+ 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);
+
+ FcPatternDestroy(pattern);
}
void
-initfonts(char *fontstr, char *bfontstr, char *ifontstr, char *ibfontstr) {
- if((dc.font.set = xinitfont(fontstr)) == NULL)
- die("Can't load font %s\n", fontstr);
- if((dc.bfont.set = xinitfont(bfontstr)) == NULL)
- die("Can't load bfont %s\n", bfontstr);
- if((dc.ifont.set = xinitfont(ifontstr)) == NULL)
- die("Can't load ifont %s\n", ifontstr);
- if((dc.ibfont.set = xinitfont(ibfontstr)) == NULL)
- die("Can't load ibfont %s\n", ibfontstr);
-
- xgetfontinfo(dc.font.set, &dc.font.ascent, &dc.font.descent,
- &dc.font.lbearing, &dc.font.rbearing);
- xgetfontinfo(dc.bfont.set, &dc.bfont.ascent, &dc.bfont.descent,
- &dc.bfont.lbearing, &dc.bfont.rbearing);
- xgetfontinfo(dc.ifont.set, &dc.ifont.ascent, &dc.ifont.descent,
- &dc.ifont.lbearing, &dc.ifont.rbearing);
- xgetfontinfo(dc.ibfont.set, &dc.ibfont.ascent, &dc.ibfont.descent,
- &dc.ibfont.lbearing, &dc.ibfont.rbearing);
+xzoom(const Arg *arg)
+{
+ xloadfonts(usedfont, usedfontsize + arg->i);
+ cresize(0, 0);
+ draw();
}
void
if(!(xw.dpy = XOpenDisplay(NULL)))
die("Can't open display\n");
xw.scr = XDefaultScreen(xw.dpy);
+ xw.vis = XDefaultVisual(xw.dpy, xw.scr);
/* font */
- initfonts(FONT, BOLDFONT, ITALICFONT, ITALICBOLDFONT);
-
- /* XXX: Assuming same size for bold font */
- xw.cw = dc.font.rbearing - dc.font.lbearing;
- xw.ch = dc.font.ascent + dc.font.descent;
+ 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.col[DefaultBG];
- attrs.border_pixel = dc.col[DefaultBG];
+ attrs.background_pixel = dc.col[defaultbg].pixel;
+ attrs.border_pixel = dc.col[defaultbg].pixel;
attrs.bit_gravity = NorthWestGravity;
attrs.event_mask = FocusChangeMask | KeyPressMask
| ExposureMask | VisibilityChangeMask | StructureNotifyMask
parent = opt_embed ? strtol(opt_embed, NULL, 0) : XRootWindow(xw.dpy, xw.scr);
xw.win = XCreateWindow(xw.dpy, parent, xw.fx, xw.fy,
xw.w, xw.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput,
- XDefaultVisual(xw.dpy, xw.scr),
+ xw.vis,
CWBackPixel | CWBorderPixel | CWBitGravity | CWEventMask
| CWColormap,
&attrs);
+
+ /* double buffering */
if(!XdbeQueryExtension(xw.dpy, &major, &minor))
die("Xdbe extension is not present\n");
xw.buf = XdbeAllocateBackBufferName(xw.dpy, xw.win, XdbeCopied);
+ /* Xft rendering context */
+ xw.draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap);
+
/* input methods */
xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL);
xw.xic = XCreateIC(xw.xim, XNInputStyle, XIMPreeditNothing
| XIMStatusNothing, XNClientWindow, xw.win,
XNFocusWindow, xw.win, NULL);
- /* gc */
- dc.gc = XCreateGC(xw.dpy, xw.win, 0, NULL);
/* white cursor, black outline */
cursor = XCreateFontCursor(xw.dpy, XC_xterm);
&(XColor){.red = 0x0000, .green = 0x0000, .blue = 0x0000});
xw.xembed = XInternAtom(xw.dpy, "_XEMBED", False);
+ xw.wmdeletewin = XInternAtom(xw.dpy, "WM_DELETE_WINDOW", False);
+ XSetWMProtocols(xw.dpy, xw.win, &xw.wmdeletewin, 1);
xresettitle();
XMapWindow(xw.dpy, xw.win);
void
xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
- int fg = base.fg, bg = base.bg, temp;
- int winx = BORDER+x*xw.cw, winy = BORDER+y*xw.ch + dc.font.ascent, width = charlen*xw.cw;
- XFontSet fontset = dc.font.set;
- int i;
-
- /* only switch default fg/bg if term is in RV mode */
- if(IS_SET(MODE_REVERSE)) {
- if(fg == DefaultFG)
- fg = DefaultBG;
- if(bg == DefaultBG)
- bg = DefaultFG;
- }
-
- if(base.mode & ATTR_REVERSE)
- temp = fg, fg = bg, bg = temp;
+ int winx = borderpx + x * xw.cw, winy = borderpx + y * xw.ch,
+ width = charlen * xw.cw;
+ Font *font = &dc.font;
+ XGlyphInfo extents;
+ Colour *fg = &dc.col[base.fg], *bg = &dc.col[base.bg],
+ *temp, revfg, revbg;
+ XRenderColor colfg, colbg;
if(base.mode & ATTR_BOLD) {
- fg += 8;
- fontset = dc.bfont.set;
+ if(BETWEEN(base.fg, 0, 7)) {
+ /* basic system colors */
+ fg = &dc.col[base.fg + 8];
+ } else if(BETWEEN(base.fg, 16, 195)) {
+ /* 256 colors */
+ fg = &dc.col[base.fg + 36];
+ } else if(BETWEEN(base.fg, 232, 251)) {
+ /* greyscale */
+ fg = &dc.col[base.fg + 4];
+ }
+ /*
+ * Those ranges will not be brightened:
+ * 8 - 15 – bright system colors
+ * 196 - 231 – highest 256 color cube
+ * 252 - 255 – brightest colors in greyscale
+ */
+ font = &dc.bfont;
}
if(base.mode & ATTR_ITALIC)
- fontset = dc.ifont.set;
- if(base.mode & (ATTR_ITALIC|ATTR_ITALIC))
- fontset = dc.ibfont.set;
-
- XSetBackground(xw.dpy, dc.gc, dc.col[bg]);
- XSetForeground(xw.dpy, dc.gc, dc.col[fg]);
-
- if(base.mode & ATTR_GFX) {
- for(i = 0; i < bytelen; i++) {
- char c = gfx[(uint)s[i] % 256];
- if(c)
- s[i] = c;
- else if(s[i] > 0x5f)
- s[i] -= 0x5f;
+ font = &dc.ifont;
+ if((base.mode & ATTR_ITALIC) && (base.mode & ATTR_BOLD))
+ font = &dc.ibfont;
+
+ if(IS_SET(MODE_REVERSE)) {
+ if(fg == &dc.col[defaultfg]) {
+ fg = &dc.col[defaultbg];
+ } else {
+ colfg.red = ~fg->color.red;
+ colfg.green = ~fg->color.green;
+ colfg.blue = ~fg->color.blue;
+ colfg.alpha = fg->color.alpha;
+ XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &revfg);
+ fg = &revfg;
+ }
+
+ if(bg == &dc.col[defaultbg]) {
+ bg = &dc.col[defaultfg];
+ } else {
+ colbg.red = ~bg->color.red;
+ colbg.green = ~bg->color.green;
+ colbg.blue = ~bg->color.blue;
+ colbg.alpha = bg->color.alpha;
+ XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg, &revbg);
+ bg = &revbg;
}
}
- XmbDrawImageString(xw.dpy, xw.buf, fontset, dc.gc, winx, winy, s, bytelen);
+ if(base.mode & ATTR_REVERSE)
+ temp = fg, fg = bg, bg = temp;
+
+ XftTextExtentsUtf8(xw.dpy, font->set, (FcChar8 *)s, bytelen,
+ &extents);
+ width = extents.xOff;
- if(base.mode & ATTR_UNDERLINE)
- XDrawLine(xw.dpy, xw.buf, dc.gc, winx, winy+1, winx+width-1, winy+1);
+ /* 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.draw, bg, winx, winy, width, xw.ch);
+ XftDrawStringUtf8(xw.draw, fg, font->set, winx,
+ winy + font->ascent, (FcChar8 *)s, bytelen);
+
+ if(base.mode & ATTR_UNDERLINE) {
+ XftDrawRect(xw.draw, fg, winx, winy + font->ascent + 1,
+ width, 1);
+ }
}
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
- xclear(oldx, oldy, oldx, oldy);
+ 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);
void
redraw(void) {
struct timespec tv = {0, REDRAW_TIMEOUT * 1000};
+
tfulldirt();
draw();
XSync(xw.dpy, False); /* necessary for a good tput flash */
}
void
-draw() {
+draw(void) {
XdbeSwapInfo swpinfo[1] = {{xw.win, XdbeCopied}};
drawregion(0, 0, term.col, term.row);
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;
- xclear(0, y, term.col, y);
+
+ xtermclear(0, y, term.col, y);
term.dirty[y] = 0;
base = term.line[y][0];
ic = ib = ox = 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 xstr[31], buf[32], *customkey, *cp = buf;
+ 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);
+ len = XmbLookupString(xw.xic, e, xstr, sizeof(xstr), &ksym, &status);
+
+ /* 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));
+ }
+ }
- /* 1. custom keys from config.h */
- if((customkey = kmap(ksym, e->state)))
- ttywrite(customkey, strlen(customkey));
+ /* 2. custom keys from config.h */
+ if((customkey = kmap(ksym, e->state))) {
+ len = strlen(customkey);
+ memcpy(buf, customkey, len);
/* 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]);
- ttywrite(buf, 3);
+ sprintf(buf, "\033%c%c",
+ IS_SET(MODE_APPKEYPAD) ? 'O' : '[',
+ (shift ? "dacb":"DACB")[ksym - XK_Left]);
+ len = 3;
break;
case XK_Insert:
- if(shift)
+ if(shift) {
selpaste();
+ return;
+ }
+ memcpy(buf, xstr, len);
break;
case XK_Return:
+ len = 0;
+ if(meta)
+ *cp++ = '\033', len++;
+
+ *cp++ = '\r', len++;
+
if(IS_SET(MODE_CRLF))
- ttywrite("\r\n", 2);
- else
- ttywrite("\r", 1);
+ *cp = '\n', len++;
break;
/* 3. X lookup */
default:
- if(len > 0) {
- if(meta && len == 1)
- ttywrite("\033", 1);
- ttywrite(buf, len);
- }
+ if(len == 0)
+ return;
+
+ if (len == 1 && meta)
+ *cp++ = '\033';
+
+ memcpy(cp, xstr, len);
+ len = cp - buf + len;
break;
}
+ }
+ ttywrite(buf, len);
+ if(IS_SET(MODE_ECHO))
+ techo(buf, len);
}
+
void
cmessage(XEvent *e) {
/* See xembed specs
} else if(e->xclient.data.l[1] == XEMBED_FOCUS_OUT) {
xw.state &= ~WIN_FOCUSED;
}
+ } else if(e->xclient.data.l[0] == xw.wmdeletewin) {
+ /* Send SIGHUP to shell */
+ kill(pid, SIGHUP);
+ exit(EXIT_SUCCESS);
}
}
void
-resize(XEvent *e) {
+cresize(int width, int height)
+{
int col, row;
+ if(width != 0)
+ xw.w = width;
+ if(height != 0)
+ xw.h = height;
+
+ col = (xw.w - 2*borderpx) / xw.cw;
+ row = (xw.h - 2*borderpx) / xw.ch;
+
+ tresize(col, row);
+ xresize(col, row);
+ ttyresize();
+}
+
+void
+resize(XEvent *e) {
if(e->xconfigure.width == xw.w && e->xconfigure.height == xw.h)
return;
- 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;
- if(tresize(col, row))
- draw();
- xresize(col, row);
- ttyresize(col, row);
+ cresize(e->xconfigure.width, e->xconfigure.height);
}
void
run(void) {
XEvent ev;
fd_set rfd;
- int xfd = XConnectionNumber(xw.dpy);
+ int xfd = XConnectionNumber(xw.dpy), i;
+ struct timeval drawtimeout, *tv = NULL;
- for(;;) {
+ for(i = 0;; i++) {
FD_ZERO(&rfd);
FD_SET(cmdfd, &rfd);
FD_SET(xfd, &rfd);
- if(select(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, NULL) < 0) {
+ if(select(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, tv) < 0) {
if(errno == EINTR)
continue;
die("select failed: %s\n", SERRNO);
}
- if(FD_ISSET(cmdfd, &rfd))
+
+ /*
+ * Stop after a certain number of reads so the user does not
+ * feel like the system is stuttering.
+ */
+ if(i < 1000 && FD_ISSET(cmdfd, &rfd)) {
ttyread();
+ /*
+ * Just wait a bit so it isn't disturbing the
+ * user and the system is able to write something.
+ */
+ drawtimeout.tv_sec = 0;
+ drawtimeout.tv_usec = 5;
+ tv = &drawtimeout;
+ continue;
+ }
+ i = 0;
+ tv = NULL;
+
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);
int
main(int argc, char *argv[]) {
int i, bitm, xr, yr;
- unsigned int wr, hr;
+ uint wr, hr;
xw.fw = xw.fh = xw.fx = xw.fy = 0;
xw.isfixed = False;
for(i = 1; i < argc; i++) {
switch(argv[i][0] != '-' || argv[i][2] ? -1 : argv[i][1]) {
- case 't':
- if(++i < argc) opt_title = argv[i];
- break;
case 'c':
- if(++i < argc) opt_class = argv[i];
- break;
- case 'w':
- if(++i < argc) opt_embed = argv[i];
- break;
- case 'f':
- if(++i < argc) opt_io = argv[i];
+ if(++i < argc)
+ opt_class = argv[i];
break;
case 'e':
/* eat every remaining arguments */
- if(++i < argc) opt_cmd = &argv[i];
+ if(++i < argc)
+ opt_cmd = &argv[i];
goto run;
+ case 'f':
+ if(++i < argc)
+ opt_font = argv[i];
+ break;
case 'g':
if(++i >= argc)
break;
if(xw.fh != 0 && xw.fw != 0)
xw.isfixed = True;
break;
+ case 'o':
+ if(++i < argc)
+ opt_io = argv[i];
+ break;
+ case 't':
+ if(++i < argc)
+ opt_title = argv[i];
+ break;
case 'v':
default:
die(USAGE);
+ case 'w':
+ if(++i < argc)
+ opt_embed = argv[i];
+ break;
}
}
- run:
+run:
setlocale(LC_CTYPE, "");
+ XSetLocaleModifiers("");
tnew(80, 24);
- ttynew();
xinit();
+ ttynew();
selinit();
run();
return 0;