#include <fcntl.h>
#include <limits.h>
#include <locale.h>
+#include <pwd.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdio.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>
#endif
#define USAGE \
- "st " VERSION " (c) 2010-2012 st engineers\n" \
+ "st " VERSION " (c) 2010-2013 st engineers\n" \
"usage: st [-v] [-c class] [-f font] [-g geometry] [-o file]" \
" [-t title] [-w windowid] [-e command ...]\n"
#define XEMBED_FOCUS_OUT 5
/* Arbitrary sizes */
-#define ESC_BUF_SIZ 256
+#define UTF_SIZ 4
+#define ESC_BUF_SIZ (128*UTF_SIZ)
#define ESC_ARG_SIZ 16
-#define STR_BUF_SIZ 256
-#define STR_ARG_SIZ 16
+#define STR_BUF_SIZ ESC_BUF_SIZ
+#define STR_ARG_SIZ ESC_ARG_SIZ
#define DRAW_BUF_SIZ 20*1024
-#define UTF_SIZ 4
-#define XK_NO_MOD UINT_MAX
-#define XK_ANY_MOD 0
+#define XK_ANY_MOD UINT_MAX
+#define XK_NO_MOD 0
+#define XK_SWITCH_MOD (1<<13)
#define REDRAW_TIMEOUT (80*1000) /* 80 ms */
+/* macros */
#define SERRNO strerror(errno)
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#define MAX(a, b) ((a) < (b) ? (b) : (a))
#define BETWEEN(x, a, b) ((a) <= (x) && (x) <= (b))
#define LIMIT(x, a, b) (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x)
#define ATTRCMP(a, b) ((a).mode != (b).mode || (a).fg != (b).fg || (a).bg != (b).bg)
-#define IS_SET(flag) (term.mode & (flag))
+#define IS_SET(flag) ((term.mode & (flag)) != 0)
#define TIMEDIFF(t1, t2) ((t1.tv_sec-t2.tv_sec)*1000 + (t1.tv_usec-t2.tv_usec)/1000)
-#define 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_movement {
- CURSOR_UP,
- CURSOR_DOWN,
- CURSOR_LEFT,
- CURSOR_RIGHT,
CURSOR_SAVE,
CURSOR_LOAD
};
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_KBDLOCK = 256
+ MODE_KBDLOCK = 256,
+ MODE_HIDE = 512,
+ MODE_ECHO = 1024,
+ MODE_APPCURSOR = 2048,
+ MODE_MOUSESGR = 4096,
};
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 {
uchar state; /* state flags */
} Glyph;
-typedef Glyph* Line;
+typedef Glyph *Line;
typedef struct {
Glyph attr; /* current char attributes */
int len; /* raw string length */
char priv;
int arg[ESC_ARG_SIZ];
- int narg; /* nb of args */
+ int narg; /* nb of args */
char mode;
} CSIEscape;
int bot; /* bottom scroll limit */
int mode; /* terminal mode flags */
int esc; /* escape state flags */
+ bool numlock; /* lock numbers in keyboard */
bool *tabs;
} Term;
/* Purely graphic info */
typedef struct {
- Display* dpy;
- Colormap cmap;
+ Display *dpy;
+ Colourmap cmap;
Window win;
- XdbeBackBuffer buf;
+ Drawable buf;
Atom xembed, wmdeletewin;
XIM xim;
XIC xic;
- XftDraw *xft_draw;
+ Draw draw;
Visual *vis;
int scr;
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 w, h; /* window width and height */
int ch; /* char height */
int cw; /* char width */
char state; /* focus, redraw, visible */
KeySym k;
uint mask;
char s[ESC_BUF_SIZ];
+ /* three valued logic variables: 0 indifferent, 1 on, -1 off */
+ signed char appkey; /* application keypad */
+ signed char appcursor; /* application cursor */
+ signed char crlf; /* crlf mode */
} Key;
/* TODO: use better name for vars... */
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 *);
+static void selpaste(const Arg *);
+static void numlock(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 *match;
+ FcFontSet *set;
+ FcPattern *pattern;
} Font;
/* Drawing Context */
typedef struct {
- XftColor xft_col[LEN(colorname) < 256 ? 256 : LEN(colorname)];
- GC gc;
+ Colour col[LEN(colorname) < 256 ? 256 : LEN(colorname)];
Font font, bfont, ifont, ibfont;
+ GC gc;
} DC;
static void die(const char *, ...);
static void draw(void);
-static void redraw(void);
+static void redraw(int);
static void drawregion(int, int, int, int);
static void execsh(void);
static void sigchld(int);
static void strparse(void);
static void strreset(void);
-static void tclearregion(int, int, int, int);
+static void tclearregion(int, int, int, int, int);
static void tcursor(int);
static void tdeletechar(int);
static void tdeleteline(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 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 inline bool match(uint, uint);
static void ttynew(void);
static void ttyread(void);
static void ttyresize(void);
static void xdrawcursor(void);
static void xinit(void);
static void xloadcols(void);
+static int xloadfont(Font *, FcPattern *);
+static void xloadfonts(char *, int);
static void xresettitle(void);
static void xseturgency(int);
static void xsetsel(char*);
static void xtermclear(int, int, int, int);
+static void xunloadfonts(void);
static void xresize(int, int);
static void expose(XEvent *);
static char *kmap(KeySym, uint);
static void kpress(XEvent *);
static void cmessage(XEvent *);
+static void cresize(int, int);
static void resize(XEvent *);
static void focus(XEvent *);
static void brelease(XEvent *);
static void selinit(void);
static inline bool selected(int, int);
static void selcopy(void);
-static void selpaste(void);
static void selscroll(int, int);
static int utf8decode(char *, long *);
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 *xcalloc(size_t, size_t);
static void (*handler[LASTEvent])(XEvent *) = {
[KeyPress] = kpress,
static char *opt_class = NULL;
static char *opt_font = NULL;
+bool usedbe = False;
+
+static char *usedfont = NULL;
+static int usedfontsize = 0;
+
+/* Font Ring Cache */
+enum {
+ FRC_NORMAL,
+ FRC_ITALIC,
+ FRC_BOLD,
+ FRC_ITALICBOLD
+};
+
+typedef struct {
+ XftFont *font;
+ long c;
+ int flags;
+} Fontcache;
+
+/*
+ * Fontcache is a ring buffer, with frccur as current position and frclen as
+ * the current length of used elements.
+ */
+
+static Fontcache frc[1024];
+static int frccur = -1, frclen = 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);
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;
-}
-
int
utf8decode(char *s, long *u) {
uchar c;
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;
}
void
-getbuttoninfo(XEvent *e, int *b, int *x, int *y) {
- if(b)
- *b = e->xbutton.button;
+getbuttoninfo(XEvent *e) {
+ sel.alt = IS_SET(MODE_ALTSCREEN);
+
+ sel.ex = x2col(e->xbutton.x);
+ sel.ey = 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 button = e->xbutton.button;
- int state = e->xbutton.state;
- char buf[] = { '\033', '[', 'M', 0, 32+x+1, 32+y+1 };
+ int x = x2col(e->xbutton.x), y = y2row(e->xbutton.y),
+ button = e->xbutton.button, state = e->xbutton.state,
+ len;
+ char buf[40];
static int ob, ox, oy;
/* from urxvt */
return;
button = ob + 32;
ox = x, oy = y;
- } else if(e->xbutton.type == ButtonRelease || button == AnyButton) {
+ } else if(!IS_SET(MODE_MOUSESGR)
+ && (e->xbutton.type == ButtonRelease
+ || button == AnyButton)) {
button = 3;
} else {
button -= Button1;
}
}
- buf[3] = 32 + button + (state & ShiftMask ? 4 : 0)
+ button += (state & ShiftMask ? 4 : 0)
+ (state & Mod4Mask ? 8 : 0)
+ (state & ControlMask ? 16 : 0);
- ttywrite(buf, sizeof(buf));
+ len = 0;
+ if(IS_SET(MODE_MOUSESGR)) {
+ len = snprintf(buf, sizeof(buf), "\033[<%d;%d;%d%c",
+ button, x+1, y+1,
+ e->xbutton.type == ButtonRelease ? 'm' : 'M');
+ } else if(x < 223 && y < 223) {
+ len = snprintf(buf, sizeof(buf), "\033[M%c%c%c",
+ 32+button, 32+x+1, 32+y+1);
+ } else {
+ return;
+ }
+
+ ttywrite(buf, len);
}
void
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);
}
}
selcopy(void) {
char *str, *ptr, *p;
int x, y, bufsize, is_selected = 0, size;
- Glyph *gp;
+ Glyph *gp, *last;
if(sel.bx == -1) {
str = NULL;
/* append every set & selected glyph to the selection */
for(y = 0; y < term.row; y++) {
- for(x = 0; x < term.col; x++) {
- 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);
}
*ptr = 0;
}
- sel.alt = IS_SET(MODE_ALTSCREEN);
xsetsel(str);
}
}
void
-selpaste(void) {
+selpaste(const Arg *dummy) {
XConvertSelection(xw.dpy, XA_PRIMARY, sel.xtarget, XA_PRIMARY,
xw.win, CurrentTime);
}
}
if(e->xbutton.button == Button2) {
- selpaste();
+ selpaste(NULL);
} else if(e->xbutton.button == Button1) {
sel.mode = 0;
- getbuttoninfo(e, NULL, &sel.ex, &sel.ey);
+ getbuttoninfo(e);
term.dirty[sel.ey] = 1;
if(sel.bx == sel.ex && sel.by == sel.ey) {
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 &&
return;
}
- if(sel.mode) {
- oldey = sel.ey;
- oldex = sel.ex;
- getbuttoninfo(e, NULL, &sel.ex, &sel.ey);
+ if(!sel.mode)
+ return;
- if(oldey != sel.ey || oldex != sel.ex) {
- starty = MIN(oldey, sel.ey);
- endy = MAX(oldey, sel.ey);
- tsetdirt(starty, endy);
- }
+ oldey = sel.ey;
+ oldex = sel.ex;
+ getbuttoninfo(e);
+
+ if(oldey != sel.ey || oldex != sel.ex) {
+ 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);
}
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));
}
}
}
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.mode = MODE_WRAP;
- tclearregion(0, 0, term.col-1, term.row-1);
+ tclearregion(0, 0, term.col-1, term.row-1, 0);
+ tmoveto(0, 0);
+ tcursor(CURSOR_SAVE);
}
void
term.alt [row] = xmalloc(term.col * sizeof(Glyph));
term.dirty[row] = 0;
}
+
+ term.numlock = 1;
memset(term.tabs, 0, term.col * sizeof(*term.tabs));
/* setup screen */
treset();
LIMIT(n, 0, term.bot-orig+1);
- tclearregion(0, term.bot-n+1, term.col-1, term.bot);
+ tclearregion(0, term.bot-n+1, term.col-1, term.bot, 0);
for(i = term.bot; i >= orig+n; i--) {
temp = term.line[i];
Line temp;
LIMIT(n, 0, term.bot-orig+1);
- tclearregion(0, orig, term.col-1, orig+n-1);
+ tclearregion(0, orig, term.col-1, orig+n-1, 0);
for(i = orig; i <= term.bot-n; i++) {
temp = term.line[i];
}
}
+/* 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) {
- char *vt100_0[62] = { /* 0x41 - 0x7e */
+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 */
/*
* The table is proudly stolen from rxvt.
*/
- if(term.c.attr.mode & ATTR_GFX) {
+ 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(int x1, int y1, int x2, int y2) {
+tclearregion(int x1, int y1, int x2, int y2, int bce) {
int x, y, temp;
if(x1 > x2)
for(y = y1; y <= y2; y++) {
term.dirty[y] = 1;
- for(x = x1; x <= x2; x++)
- term.line[y][x].state = 0;
+ for(x = x1; x <= x2; x++) {
+ if(bce) {
+ term.line[y][x] = term.c.attr;
+ memcpy(term.line[y][x].c, " ", 2);
+ term.line[y][x].state |= GLYPH_SET;
+ } else {
+ term.line[y][x].state = 0;
+ }
+ }
}
}
term.dirty[term.c.y] = 1;
if(src >= term.col) {
- tclearregion(term.c.x, term.c.y, term.col-1, term.c.y);
+ tclearregion(term.c.x, term.c.y, term.col-1, term.c.y, 0);
return;
}
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.col-n, term.c.y, term.col-1, term.c.y, 0);
}
void
term.dirty[term.c.y] = 1;
if(dst >= term.col) {
- tclearregion(term.c.x, term.c.y, term.col-1, term.c.y);
+ tclearregion(term.c.x, term.c.y, term.col-1, term.c.y, 0);
return;
}
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);
+ tclearregion(src, term.c.y, dst - 1, term.c.y, 0);
}
void
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;
break;
- case 3: /* enter standout (highlight) */
+ case 3:
term.c.attr.mode |= ATTR_ITALIC;
break;
case 4:
term.c.attr.mode |= ATTR_UNDERLINE;
break;
- case 5:
+ case 5: /* slow blink */
+ case 6: /* rapid blink */
term.c.attr.mode |= ATTR_BLINK;
break;
case 7:
case 22:
term.c.attr.mode &= ~ATTR_BOLD;
break;
- case 23: /* leave standout (highlight) mode */
+ case 23:
term.c.attr.mode &= ~ATTR_ITALIC;
break;
case 24:
term.c.attr.mode &= ~ATTR_UNDERLINE;
break;
case 25:
+ case 26:
term.c.attr.mode &= ~ATTR_BLINK;
break;
case 27:
}
break;
case 39:
- term.c.attr.fg = DefaultFG;
+ term.c.attr.fg = defaultfg;
break;
case 48:
if(i + 2 < l && attr[i + 1] == 5) {
}
break;
case 49:
- term.c.attr.bg = DefaultBG;
+ term.c.attr.bg = defaultbg;
break;
default:
if(BETWEEN(attr[i], 30, 37)) {
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) {
break;
case 1: /* DECCKM -- Cursor key */
- MODBIT(term.mode, set, MODE_APPKEYPAD);
+ MODBIT(term.mode, set, MODE_APPCURSOR);
break;
case 5: /* DECSCNM -- Reverse video */
mode = term.mode;
MODBIT(term.mode, set, MODE_REVERSE);
if(mode != term.mode)
- redraw();
+ redraw(REDRAW_TIMEOUT);
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);
+ MODBIT(term.mode, 0, MODE_MOUSEMOTION);
break;
case 1002:
MODBIT(term.mode, set, MODE_MOUSEMOTION);
+ MODBIT(term.mode, 0, MODE_MOUSEBTN);
+ break;
+ case 1006:
+ MODBIT(term.mode, set, MODE_MOUSESGR);
break;
case 1049: /* = 1047 and 1048 */
case 47:
- case 1047:
- if(IS_SET(MODE_ALTSCREEN))
- tclearregion(0, 0, term.col-1, term.row-1);
- if((set && !IS_SET(MODE_ALTSCREEN)) ||
- (!set && IS_SET(MODE_ALTSCREEN))) {
- tswapscreen();
+ case 1047: {
+ alt = IS_SET(MODE_ALTSCREEN);
+ if(alt) {
+ tclearregion(0, 0, term.col-1,
+ term.row-1, 0);
}
+ 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);
case 4: /* IRM -- Insertion-replacement */
MODBIT(term.mode, set, MODE_INSERT);
break;
- case 12: /* XXX: SRM -- Send/Receive */
+ case 12: /* SRM -- Send/Receive */
+ MODBIT(term.mode, !set, MODE_ECHO);
break;
case 20: /* LNM -- Linefeed/new line */
MODBIT(term.mode, set, MODE_CRLF);
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);
sel.bx = -1;
switch(csiescseq.arg[0]) {
case 0: /* below */
- tclearregion(term.c.x, term.c.y, term.col-1, term.c.y);
- if(term.c.y < term.row-1)
- tclearregion(0, term.c.y+1, term.col-1, term.row-1);
+ tclearregion(term.c.x, term.c.y, term.col-1, term.c.y, 1);
+ if(term.c.y < term.row-1) {
+ tclearregion(0, term.c.y+1, term.col-1,
+ term.row-1, 1);
+ }
break;
case 1: /* above */
if(term.c.y > 1)
- tclearregion(0, 0, term.col-1, term.c.y-1);
- tclearregion(0, term.c.y, term.c.x, term.c.y);
+ tclearregion(0, 0, term.col-1, term.c.y-1, 1);
+ tclearregion(0, term.c.y, term.c.x, term.c.y, 1);
break;
case 2: /* all */
- tclearregion(0, 0, term.col-1, term.row-1);
+ tclearregion(0, 0, term.col-1, term.row-1, 1);
break;
default:
goto unknown;
case 'K': /* EL -- Clear line */
switch(csiescseq.arg[0]) {
case 0: /* right */
- tclearregion(term.c.x, term.c.y, term.col-1, term.c.y);
+ tclearregion(term.c.x, term.c.y, term.col-1,
+ term.c.y, 1);
break;
case 1: /* left */
- tclearregion(0, term.c.y, term.c.x, term.c.y);
+ tclearregion(0, term.c.y, term.c.x, term.c.y, 1);
break;
case 2: /* all */
- tclearregion(0, term.c.y, term.col-1, term.c.y);
+ tclearregion(0, term.c.y, term.col-1, term.c.y, 1);
break;
}
break;
break;
case 'X': /* ECH -- Erase <n> char */
DEFAULT(csiescseq.arg[0], 1);
- tclearregion(term.c.x, term.c.y, term.c.x + csiescseq.arg[0], term.c.y);
+ tclearregion(term.c.x, term.c.y,
+ term.c.x + csiescseq.arg[0] - 1, term.c.y, 1);
break;
case 'P': /* DCH -- Delete <n> char */
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);
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
+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);
+}
+
+void
tputc(char *c, int len) {
uchar ascii = *c;
+ bool control = ascii < '\x20' || ascii == 0177;
+
+ if(iofd != -1) {
+ if (xwrite(iofd, c, len) < 0) {
+ fprintf(stderr, "Error writing in %s:%s\n",
+ opt_io, strerror(errno));
+ close(iofd);
+ iofd = -1;
+ }
+ }
- 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)
+ /*
+ * 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:
+ if(strescseq.len + len < sizeof(strescseq.buf)) {
+ memmove(&strescseq.buf[strescseq.len], c, len);
+ strescseq.len += len;
+ } else {
+ /*
+ * Here is a bug in terminals. If the user never sends
+ * some code to stop the str or esc command, then st
+ * will stop responding. But this is better than
+ * silently failing with unknown characters. At least
+ * then users will report back.
+ *
+ * In the case users ever get fixed, here is the code:
+ */
+ /*
+ * 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 */
+ case '\017': /* SI */
+ /*
+ * Different charsets are hard to handle. Applications
+ * should use the right alt charset escapes for the
+ * only reason they still exist: line drawing. The
+ * rest is incompatible history st should not support.
+ */
+ 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)
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 'Z': /* DECID -- Identify Terminal */
+ ttywrite(VT102ID, sizeof(VT102ID) - 1);
+ term.esc = 0;
+ break;
case 'c': /* RIS -- Reset to inital state */
treset();
term.esc = 0;
term.esc = 0;
}
}
+ /*
+ * All characters which form 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 */
+
+ if(IS_SET(MODE_INSERT) && term.c.x+1 < term.col) {
+ memmove(&term.line[term.c.y][term.c.x+1],
+ &term.line[term.c.y][term.c.x],
+ (term.col - term.c.x - 1) * sizeof(Glyph));
+ }
+
+ 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 {
- 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;
- }
- }
+ term.c.state |= CURSOR_WRAPNEXT;
}
}
/* free unneeded rows */
i = 0;
if(slide > 0) {
- /* slide screen to keep cursor where we expect it -
+ /*
+ * slide screen to keep cursor where we expect it -
* tscrollup would work here, but we can optimize to
- * memmove because we're freeing the earlier lines */
+ * memmove because we're freeing the earlier lines
+ */
for(/* i = 0 */; i < slide; i++) {
free(term.line[i]);
free(term.alt[i]);
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, col * xw.cw);
+ xw.th = MAX(1, row * xw.ch);
- XftDrawChange(xw.xft_draw, xw.buf);
+ if(!usedbe) {
+ XFreePixmap(xw.dpy, xw.buf);
+ xw.buf = XCreatePixmap(xw.dpy, xw.win, xw.w, xw.h,
+ DefaultDepth(xw.dpy, xw.scr));
+ XSetForeground(xw.dpy, dc.gc, dc.col[IS_SET(MODE_REVERSE) ? defaultfg : defaultbg].pixel);
+ XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, xw.w, xw.h);
+ }
+
+ XftDrawChange(xw.draw, xw.buf);
}
void
xloadcols(void) {
int i, r, g, b;
- XRenderColor xft_color = { .alpha = 0 };
+ 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(!XftColorAllocName(xw.dpy, xw.vis, xw.cmap, colorname[i], &dc.xft_col[i])) {
+ if(!XftColorAllocName(xw.dpy, xw.vis, xw.cmap, colorname[i], &dc.col[i])) {
die("Could not allocate color '%s'\n", colorname[i]);
}
}
for(i = 16, r = 0; r < 6; r++) {
for(g = 0; g < 6; g++) {
for(b = 0; b < 6; b++) {
- xft_color.red = r == 0 ? 0 : 0x3737 + 0x2828 * r;
- xft_color.green = g == 0 ? 0 : 0x3737 + 0x2828 * g;
- xft_color.blue = b == 0 ? 0 : 0x3737 + 0x2828 * b;
- if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &xft_color, &dc.xft_col[i])) {
+ 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(!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++) {
- 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])) {
+ color.red = color.green = color.blue = 0x0808 + 0x0a0a * r;
+ 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.xft_draw,
- &dc.xft_col[IS_SET(MODE_REVERSE) ? DefaultFG : DefaultBG],
- BORDER + col1 * xw.cw,
- BORDER + row1 * xw.ch,
+ 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);
}
*/
void
xclear(int x1, int y1, int x2, int y2) {
- XftDrawRect(xw.xft_draw,
- &dc.xft_col[IS_SET(MODE_REVERSE) ? DefaultFG : DefaultBG],
+ 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);
}
-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);
+ match = FcFontMatch(NULL, pattern, &result);
if(!match)
- die("st: can't open font %s\n", fontstr);
- if(!(f->xft_set = XftFontOpenPattern(xw.dpy, match))) {
+ return 1;
+
+ if(!(f->set = FcFontSort(0, match, FcTrue, 0, &result))) {
+ FcPatternDestroy(match);
+ return 1;
+ }
+
+ if(!(f->match = XftFontOpenPattern(xw.dpy, match))) {
FcPatternDestroy(match);
- die("st: can't open font %s.\n", fontstr);
+ return 1;
}
- f->ascent = f->xft_set->ascent;
- f->descent = f->xft_set->descent;
+ f->pattern = FcPatternDuplicate(pattern);
+
+ f->ascent = f->match->ascent;
+ f->descent = f->match->descent;
f->lbearing = 0;
- f->rbearing = f->xft_set->max_advance_width;
+ f->rbearing = f->match->max_advance_width;
- f->height = f->xft_set->height;
+ f->height = f->match->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);
+ }
+
+ if(!pattern)
+ die("st: can't open font %s\n", fontstr);
- xinitfont(&dc.font, 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;
+ }
+ }
+
+ FcConfigSubstitute(0, pattern, FcMatchPattern);
+ FcDefaultSubstitute(pattern);
+
+ 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_SLANT);
+ FcPatternDel(pattern, FC_WEIGHT);
+ FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ROMAN);
+ FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_BOLD);
+ if(xloadfont(&dc.bfont, pattern))
+ die("st: can't open font %s\n", fontstr);
- fstr = smstrcat(fontstr, ":slant=italic,oblique", NULL);
- xinitfont(&dc.ifont, fstr);
- free(fstr);
+ 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);
- fstr = smstrcat(fontstr, ":weight=bold:slant=italic,oblique", NULL);
- xinitfont(&dc.ibfont, fstr);
- free(fstr);
+ FcPatternDel(pattern, FC_WEIGHT);
+ FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_MEDIUM);
+ if(xloadfont(&dc.ifont, pattern))
+ die("st: can't open font %s\n", fontstr);
+
+ FcPatternDestroy(pattern);
+}
+
+void
+xunloadfonts(void) {
+ int i, ip;
+
+ /*
+ * Free the loaded fonts in the font cache. This is done backwards
+ * from the frccur.
+ */
+ for (i = 0, ip = frccur; i < frclen; i++, ip--) {
+ if (ip < 0)
+ ip = LEN(frc) - 1;
+ XftFontClose(xw.dpy, frc[ip].font);
+ }
+ frccur = -1;
+ frclen = 0;
+
+ XftFontClose(xw.dpy, dc.font.match);
+ FcPatternDestroy(dc.font.pattern);
+ FcFontSetDestroy(dc.font.set);
+ XftFontClose(xw.dpy, dc.bfont.match);
+ FcPatternDestroy(dc.bfont.pattern);
+ FcFontSetDestroy(dc.bfont.set);
+ XftFontClose(xw.dpy, dc.ifont.match);
+ FcPatternDestroy(dc.ifont.pattern);
+ FcFontSetDestroy(dc.ifont.set);
+ XftFontClose(xw.dpy, dc.ibfont.match);
+ FcPatternDestroy(dc.ibfont.pattern);
+ FcFontSetDestroy(dc.ibfont.set);
+}
+
+void
+xzoom(const Arg *arg) {
+ xunloadfonts();
+ xloadfonts(usedfont, usedfontsize + arg->i);
+ cresize(0, 0);
+ redraw(0);
}
void
xinit(void) {
XSetWindowAttributes attrs;
+ XGCValues gcvalues;
Cursor cursor;
Window parent;
int sw, sh, major, minor;
xw.vis = XDefaultVisual(xw.dpy, xw.scr);
/* font */
- initfonts((opt_font != NULL)? opt_font : FONT);
+ if (!FcInit())
+ die("Could not init fontconfig.\n");
+
+ 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;
+ /* Events */
+ 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
| ButtonMotionMask | ButtonPressMask | ButtonReleaseMask;
attrs.colormap = xw.cmap;
- parent = opt_embed ? strtol(opt_embed, NULL, 0) : XRootWindow(xw.dpy, xw.scr);
+ 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,
xw.vis,
&attrs);
/* double buffering */
- if(!XdbeQueryExtension(xw.dpy, &major, &minor))
- die("Xdbe extension is not present\n");
- xw.buf = XdbeAllocateBackBufferName(xw.dpy, xw.win, XdbeCopied);
+ /*
+ if(XdbeQueryExtension(xw.dpy, &major, &minor)) {
+ xw.buf = XdbeAllocateBackBufferName(xw.dpy, xw.win,
+ XdbeBackground);
+ usedbe = True;
+ } else {
+ */
+ memset(&gcvalues, 0, sizeof(gcvalues));
+ gcvalues.graphics_exposures = False;
+ dc.gc = XCreateGC(xw.dpy, parent, GCGraphicsExposures,
+ &gcvalues);
+ xw.buf = XCreatePixmap(xw.dpy, xw.win, xw.w, xw.h,
+ DefaultDepth(xw.dpy, xw.scr));
+ XSetForeground(xw.dpy, dc.gc, dc.col[defaultbg].pixel);
+ XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, xw.w, xw.h);
+ //xw.buf = xw.win;
+ /*
+ }
+ */
/* Xft rendering context */
- xw.xft_draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap);
+ xw.draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap);
/* input methods */
- xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL);
+ if((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) {
+ XSetLocaleModifiers("@im=local");
+ if((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) {
+ XSetLocaleModifiers("@im=");
+ if((xw.xim = XOpenIM(xw.dpy,
+ NULL, NULL, NULL)) == NULL) {
+ die("XOpenIM failed. Could not open input"
+ " device.\n");
+ }
+ }
+ }
xw.xic = XCreateIC(xw.xim, XNInputStyle, XIMPreeditNothing
| XIMStatusNothing, XNClientWindow, xw.win,
XNFocusWindow, xw.win, NULL);
- /* gc */
- dc.gc = XCreateGC(xw.dpy, xw.win, 0, NULL);
+ if(xw.xic == NULL)
+ die("XCreateIC failed. Could not obtain input method.\n");
/* white cursor, black outline */
cursor = XCreateFontCursor(xw.dpy, XC_xterm);
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, xp, i;
+ int frp, frcflags;
+ int u8fl, u8fblen, u8cblen, doesexist;
+ char *u8c, *u8fs;
+ long u8char;
Font *font = &dc.font;
- XGlyphInfo extents;
- XftColor *fg = &dc.xft_col[base.fg], *bg = &dc.xft_col[base.bg],
+ FcResult fcres;
+ FcPattern *fcpattern, *fontpattern;
+ FcFontSet *fcsets[] = { NULL };
+ FcCharSet *fccharset;
+ Colour *fg = &dc.col[base.fg], *bg = &dc.col[base.bg],
*temp, revfg, revbg;
XRenderColor colfg, colbg;
- if(base.mode & ATTR_REVERSE)
- temp = fg, fg = bg, bg = temp;
+ frcflags = FRC_NORMAL;
if(base.mode & ATTR_BOLD) {
if(BETWEEN(base.fg, 0, 7)) {
/* basic system colors */
- fg = &dc.xft_col[base.fg + 8];
+ fg = &dc.col[base.fg + 8];
} else if(BETWEEN(base.fg, 16, 195)) {
/* 256 colors */
- fg = &dc.xft_col[base.fg + 36];
+ fg = &dc.col[base.fg + 36];
} else if(BETWEEN(base.fg, 232, 251)) {
/* greyscale */
- fg = &dc.xft_col[base.fg + 4];
+ 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 grescale
+ * 252 - 255 – brightest colors in greyscale
*/
font = &dc.bfont;
+ frcflags = FRC_BOLD;
}
- if(base.mode & ATTR_ITALIC)
+ if(base.mode & ATTR_ITALIC) {
font = &dc.ifont;
- if(base.mode & (ATTR_ITALIC|ATTR_ITALIC))
+ frcflags = FRC_ITALIC;
+ }
+ if((base.mode & ATTR_ITALIC) && (base.mode & ATTR_BOLD)) {
font = &dc.ibfont;
+ frcflags = FRC_ITALICBOLD;
+ }
if(IS_SET(MODE_REVERSE)) {
- if(fg == &dc.xft_col[DefaultFG]) {
- fg = &dc.xft_col[DefaultBG];
+ if(fg == &dc.col[defaultfg]) {
+ fg = &dc.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.col[defaultbg]) {
+ bg = &dc.col[defaultfg];
} else {
colbg.red = ~bg->color.red;
colbg.green = ~bg->color.green;
}
}
- XftTextExtentsUtf8(xw.dpy, font->xft_set, (FcChar8 *)s, bytelen,
- &extents);
- width = extents.xOff;
+ if(base.mode & ATTR_REVERSE) {
+ temp = fg;
+ fg = bg;
+ bg = temp;
+ }
/* Intelligent cleaning up of the borders. */
if(x == 0) {
- xclear(0, (y == 0)? 0 : winy, BORDER,
- winy + xw.ch + (y == term.row-1)? xw.h : 0);
+ xclear(0, (y == 0)? 0 : winy, borderpx,
+ winy + xw.ch + ((y >= term.row-1)? xw.h : 0));
}
- if(x + charlen >= term.col-1) {
+ if(x + charlen >= term.col) {
xclear(winx + width, (y == 0)? 0 : winy, xw.w,
- winy + xw.ch + (y == term.row-1)? xw.h : 0);
+ ((y >= term.row-1)? xw.h : (winy + xw.ch)));
}
if(y == 0)
- xclear(winx, 0, winx + width, BORDER);
+ 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,
+ /* Clean up the region we want to draw to. */
+ XftDrawRect(xw.draw, bg, winx, winy, width, xw.ch);
+
+ fcsets[0] = font->set;
+ for (xp = winx; bytelen > 0;) {
+ /*
+ * Search for the range in the to be printed string of glyphs
+ * that are in the main font. Then print that range. If
+ * some glyph is found that is not in the font, do the
+ * fallback dance.
+ */
+ u8fs = s;
+ u8fblen = 0;
+ u8fl = 0;
+ for (;;) {
+ u8c = s;
+ u8cblen = utf8decode(s, &u8char);
+ s += u8cblen;
+ bytelen -= u8cblen;
+
+ doesexist = XftCharIndex(xw.dpy, font->match, u8char);
+ if (!doesexist || bytelen <= 0) {
+ if (bytelen <= 0) {
+ if (doesexist) {
+ u8fl++;
+ u8fblen += u8cblen;
+ }
+ }
+
+ if (u8fl > 0) {
+ XftDrawStringUtf8(xw.draw, fg,
+ font->match, xp,
+ winy + font->ascent,
+ (FcChar8 *)u8fs,
+ u8fblen);
+ xp += font->width * u8fl;
+ }
+ break;
+ }
+
+ u8fl++;
+ u8fblen += u8cblen;
+ }
+ if (doesexist)
+ break;
+
+ frp = frccur;
+ /* Search the font cache. */
+ for (i = 0; i < frclen; i++, frp--) {
+ if (frp <= 0)
+ frp = LEN(frc) - 1;
+
+ if (frc[frp].c == u8char
+ && frc[frp].flags == frcflags) {
+ break;
+ }
+ }
+
+ /* Nothing was found. */
+ if (i >= frclen) {
+ /*
+ * Nothing was found in the cache. Now use
+ * some dozen of Fontconfig calls to get the
+ * font for one single character.
+ */
+ fcpattern = FcPatternDuplicate(font->pattern);
+ fccharset = FcCharSetCreate();
+
+ FcCharSetAddChar(fccharset, u8char);
+ FcPatternAddCharSet(fcpattern, FC_CHARSET,
+ fccharset);
+ FcPatternAddBool(fcpattern, FC_SCALABLE,
+ FcTrue);
+
+ FcConfigSubstitute(0, fcpattern,
+ FcMatchPattern);
+ FcDefaultSubstitute(fcpattern);
+
+ fontpattern = FcFontSetMatch(0, fcsets,
+ FcTrue, fcpattern, &fcres);
+
+ /*
+ * Overwrite or create the new cache entry
+ * entry.
+ */
+ frccur++;
+ frclen++;
+ if (frccur >= LEN(frc))
+ frccur = 0;
+ if (frclen > LEN(frc)) {
+ frclen = LEN(frc);
+ XftFontClose(xw.dpy, frc[frccur].font);
+ }
+
+ frc[frccur].font = XftFontOpenPattern(xw.dpy,
+ fontpattern);
+ frc[frccur].c = u8char;
+ frc[frccur].flags = frcflags;
+
+ FcPatternDestroy(fcpattern);
+ FcCharSetDestroy(fccharset);
+
+ frp = frccur;
+ }
+
+ XftDrawStringUtf8(xw.draw, fg, frc[frp].font,
+ xp, winy + frc[frp].font->ascent,
+ (FcChar8 *)u8c, u8cblen);
+
+ xp += font->width;
+ }
+
+ /*
+ XftDrawStringUtf8(xw.draw, fg, font->set, winx,
winy + font->ascent, (FcChar8 *)s, bytelen);
+ */
if(base.mode & ATTR_UNDERLINE) {
- XftDrawRect(xw.xft_draw, fg, winx, winy + font->ascent + 1,
+ XftDrawRect(xw.draw, fg, winx, winy + font->ascent + 1,
width, 1);
}
}
xdrawcursor(void) {
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);
}
/* 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};
+redraw(int timeout) {
+ struct timespec tv = {0, timeout * 1000};
tfulldirt();
draw();
- XSync(xw.dpy, False); /* necessary for a good tput flash */
- nanosleep(&tv, NULL);
+
+ if(timeout > 0) {
+ nanosleep(&tv, NULL);
+ XSync(xw.dpy, False); /* necessary for a good tput flash */
+ }
}
void
XdbeSwapInfo swpinfo[1] = {{xw.win, XdbeCopied}};
drawregion(0, 0, term.col, term.row);
- XdbeSwapBuffers(xw.dpy, swpinfo, 1);
+ if(usedbe) {
+ XdbeSwapBuffers(xw.dpy, swpinfo, 1);
+ } else {
+ XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, 0, 0, xw.w,
+ xw.h, 0, 0);
+ XSetForeground(xw.dpy, dc.gc, dc.col[IS_SET(MODE_REVERSE) ? defaultfg : defaultbg].pixel);
+ }
}
void
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;
- if((sel.alt && !alt) || (!sel.alt && alt))
+ if(sel.alt ^ IS_SET(MODE_ALTSCREEN))
ena_sel = 0;
+
if(!(xw.state & WIN_VISIBLE))
return;
ox = x;
base = new;
}
+
sl = utf8size(new.c);
memcpy(buf+ib, new.c, sl);
ib += sl;
if(!e->count)
xw.state &= ~WIN_REDRAW;
}
+ redraw(0);
}
void
void
focus(XEvent *ev) {
+ XFocusChangeEvent *e = &ev->xfocus;
+
+ if(e->mode == NotifyGrab)
+ return;
+
if(ev->type == FocusIn) {
+ XSetICFocus(xw.xic);
xw.state |= WIN_FOCUSED;
xseturgency(0);
} else {
+ XUnsetICFocus(xw.xic);
xw.state &= ~WIN_FOCUSED;
}
}
+inline bool
+match(uint mask, uint state) {
+ state &= ~(ignoremod);
+
+ if(mask == XK_NO_MOD && state)
+ return false;
+ if(mask != XK_ANY_MOD && mask != XK_NO_MOD && !state)
+ return false;
+ if((state & mask) != state)
+ return false;
+ return true;
+}
+
+void
+numlock(const Arg *dummy) {
+ term.numlock ^= 1;
+}
+
char*
kmap(KeySym k, uint state) {
- int i;
uint mask;
+ Key *kp;
+ int i;
- state &= ~Mod2Mask;
- for(i = 0; i < LEN(key); i++) {
- mask = key[i].mask;
+ /* Check for mapped keys out of X11 function keys. */
+ for(i = 0; i < LEN(mappedkeys); i++) {
+ if(mappedkeys[i] == k)
+ break;
+ }
+ if(i == LEN(mappedkeys)) {
+ if((k & 0xFFFF) < 0xFD00)
+ return NULL;
+ }
- if(key[i].k == k && ((state & mask) == mask
- || (mask == XK_NO_MOD && !state))) {
- return (char*)key[i].s;
+ for(kp = key; kp < key + LEN(key); kp++) {
+ mask = kp->mask;
+
+ if(kp->k != k)
+ continue;
+
+ if(!match(mask, state))
+ continue;
+
+ if(kp->appkey > 0) {
+ if(!IS_SET(MODE_APPKEYPAD))
+ continue;
+ if(term.numlock && kp->appkey == 2)
+ continue;
+ } else if(kp->appkey < 0 && IS_SET(MODE_APPKEYPAD)) {
+ continue;
+ }
+
+ if((kp->appcursor < 0 && IS_SET(MODE_APPCURSOR)) ||
+ (kp->appcursor > 0
+ && !IS_SET(MODE_APPCURSOR))) {
+ continue;
}
+
+ if((kp->crlf < 0 && IS_SET(MODE_CRLF)) ||
+ (kp->crlf > 0 && !IS_SET(MODE_CRLF))) {
+ continue;
+ }
+
+ return kp->s;
}
+
return NULL;
}
kpress(XEvent *ev) {
XKeyEvent *e = &ev->xkey;
KeySym ksym;
- char buf[32];
- char *customkey;
+ char xstr[31], buf[32], *customkey, *cp = buf;
int len;
- int meta;
- int shift;
Status status;
+ Shortcut *bp;
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);
+ e->state &= ~Mod2Mask;
+ /* 1. shortcuts */
+ for(bp = shortcuts; bp < shortcuts + LEN(shortcuts); bp++) {
+ if(ksym == bp->keysym && match(bp->mod, e->state)) {
+ bp->func(&(bp->arg));
+ return;
+ }
+ }
- /* 1. custom keys from config.h */
+ /* 2. custom keys from config.h */
if((customkey = kmap(ksym, e->state))) {
- ttywrite(customkey, strlen(customkey));
+ len = strlen(customkey);
+ memcpy(buf, customkey, len);
/* 2. hardcoded (overrides X lookup) */
} 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);
- break;
- case XK_Insert:
- if(shift)
- selpaste();
- break;
- case XK_Return:
- if(IS_SET(MODE_CRLF)) {
- ttywrite("\r\n", 2);
- } else {
- ttywrite("\r", 1);
- }
- break;
- /* 3. X lookup */
- default:
- if(len > 0) {
- if(meta && len == 1)
- ttywrite("\033", 1);
- ttywrite(buf, len);
- }
- break;
- }
+ if(len == 0)
+ return;
+
+ if (len == 1 && e->state & Mod1Mask)
+ *cp++ = '\033';
+
+ memcpy(cp, xstr, len);
+ len = cp - buf + len;
}
+
+ ttywrite(buf, len);
+ if(IS_SET(MODE_ECHO))
+ techo(buf, len);
}
+
void
cmessage(XEvent *e) {
- /* See xembed specs
- http://standards.freedesktop.org/xembed-spec/xembed-spec-latest.html */
+ /*
+ * See xembed specs
+ * http://standards.freedesktop.org/xembed-spec/xembed-spec-latest.html
+ */
if(e->xclient.message_type == xw.xembed && e->xclient.format == 32) {
if(e->xclient.data.l[1] == XEMBED_FOCUS_IN) {
xw.state |= WIN_FOCUSED;
}
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);
}
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;
- int xfd = XConnectionNumber(xw.dpy), i;
- struct timeval drawtimeout, *tv = NULL;
+ int xfd = XConnectionNumber(xw.dpy), xev;
+ struct timeval drawtimeout, *tv = NULL, now, last;
- for(i = 0;; i++) {
+ gettimeofday(&last, NULL);
+
+ for(xev = actionfps;;) {
FD_ZERO(&rfd);
FD_SET(cmdfd, &rfd);
FD_SET(xfd, &rfd);
die("select failed: %s\n", SERRNO);
}
- /*
- * 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)) {
+ gettimeofday(&now, NULL);
+ drawtimeout.tv_sec = 0;
+ drawtimeout.tv_usec = (1000/xfps) * 1000;
+ tv = &drawtimeout;
+
+ if(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;
+ if(FD_ISSET(xfd, &rfd))
+ xev = actionfps;
- while(XPending(xw.dpy)) {
- XNextEvent(xw.dpy, &ev);
- if(XFilterEvent(&ev, xw.win))
- continue;
- if(handler[ev.type])
- (handler[ev.type])(&ev);
- }
+ if(TIMEDIFF(now, last) > \
+ (xev ? (1000/xfps) : (1000/actionfps))) {
+ while(XPending(xw.dpy)) {
+ XNextEvent(xw.dpy, &ev);
+ if(XFilterEvent(&ev, None))
+ continue;
+ if(handler[ev.type])
+ (handler[ev.type])(&ev);
+ }
+
+ draw();
+ XFlush(xw.dpy);
+ last = now;
- draw();
- XFlush(xw.dpy);
+ if(xev && !FD_ISSET(xfd, &rfd))
+ xev--;
+ if(!FD_ISSET(cmdfd, &rfd) && !FD_ISSET(xfd, &rfd))
+ tv = NULL;
+ }
}
}
opt_class = argv[i];
break;
case 'e':
- /* eat every remaining arguments */
+ /* eat all remaining arguments */
if(++i < argc)
opt_cmd = &argv[i];
goto run;
run:
setlocale(LC_CTYPE, "");
+ XSetLocaleModifiers("");
tnew(80, 24);
- ttynew();
xinit();
+ ttynew();
selinit();
run();
+
return 0;
}
Got questions, comments, patches, etc.? Contact Jason Woofenden