X-Git-Url: https://git.xinqibao.xyz/st.git/blobdiff_plain/7f17a70834961cd1ff748b2621c6fc87c069be22..ed5b8700a6e6c14b814dcc2e54a90eb1868070b5:/st.c?ds=inline
diff --git a/st.c b/st.c
index 8e1afe2..5ed3753 100644
--- a/st.c
+++ b/st.c
@@ -25,6 +25,9 @@
#include <X11/cursorfont.h>
#include <X11/keysym.h>
#include <X11/extensions/Xdbe.h>
+#include <X11/Xft/Xft.h>
+#define Glyph Glyph_
+#define Font Font_
#if defined(__linux)
#include <pty.h>
@@ -36,7 +39,8 @@
#define USAGE \
"st " VERSION " (c) 2010-2012 st engineers\n" \
- "usage: st [-t title] [-c class] [-w windowid] [-v] [-e command...]\n"
+ "usage: st [-t title] [-c class] [-g geometry]" \
+ " [-w windowid] [-v] [-f file] [-e command...]\n"
/* XEMBED messages */
#define XEMBED_FOCUS_IN 4
@@ -47,13 +51,12 @@
#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 SELECT_TIMEOUT (20*1000) /* 20 ms */
-#define DRAW_TIMEOUT (20*1000) /* 20 ms */
+#define REDRAW_TIMEOUT (80*1000) /* 80 ms */
#define SERRNO strerror(errno)
#define MIN(a, b) ((a) < (b) ? (a) : (b))
@@ -74,6 +77,8 @@ enum glyph_attribute {
ATTR_UNDERLINE = 2,
ATTR_BOLD = 4,
ATTR_GFX = 8,
+ ATTR_ITALIC = 16,
+ ATTR_BLINK = 32,
};
enum cursor_movement {
@@ -105,7 +110,8 @@ enum term_mode {
MODE_MOUSEBTN = 32,
MODE_MOUSEMOTION = 64,
MODE_MOUSE = 32|64,
- MODE_REVERSE = 128
+ MODE_REVERSE = 128,
+ MODE_KBDLOCK = 256
};
enum escape_state {
@@ -193,13 +199,17 @@ typedef struct {
Atom xembed;
XIM xim;
XIC xic;
+ XftDraw *xft_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 ch; /* char height */
int cw; /* char width */
char state; /* focus, redraw, visible */
- struct timeval lastdraw;
} XWindow;
typedef struct {
@@ -208,7 +218,6 @@ typedef struct {
char s[ESC_BUF_SIZ];
} Key;
-
/* TODO: use better name for vars... */
typedef struct {
int mode;
@@ -217,32 +226,36 @@ typedef struct {
struct {int x, y;} b, e;
char *clip;
Atom xtarget;
+ bool alt;
struct timeval tclick1;
struct timeval tclick2;
} Selection;
#include "config.h"
+/* Font structure */
+typedef struct {
+ int ascent;
+ int descent;
+ short lbearing;
+ short rbearing;
+ XftFont* xft_set;
+} Font;
+
/* Drawing Context */
typedef struct {
- ulong col[LEN(colorname) < 256 ? 256 : LEN(colorname)];
+ XftColor xft_col[LEN(colorname) < 256 ? 256 : LEN(colorname)];
GC gc;
- struct {
- int ascent;
- int descent;
- short lbearing;
- short rbearing;
- XFontSet set;
- } font, bfont;
+ Font font, bfont, ifont, ibfont;
} DC;
static void die(const char*, ...);
static void draw(void);
+static void redraw(void);
static void drawregion(int, int, int, int);
static void execsh(void);
static void sigchld(int);
static void run(void);
-static bool last_draw_too_old(void);
static void csidump(void);
static void csihandle(void);
@@ -263,7 +276,7 @@ static void tmoveto(int, int);
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);
@@ -278,18 +291,20 @@ static void tfulldirt(void);
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 xhints(void);
static void xclear(int, int, int, int);
-static void xcopy();
+static void xclearborders(void);
static void xdrawcursor(void);
static void xinit(void);
static void xloadcols(void);
+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 *);
@@ -304,12 +319,13 @@ static void brelease(XEvent *);
static void bpress(XEvent *);
static void bmotion(XEvent *);
static void selnotify(XEvent *);
+static void selclear(XEvent *);
static void selrequest(XEvent *);
static void selinit(void);
static inline bool selected(int, int);
static void selcopy(void);
-static void selpaste();
+static void selpaste(void);
static void selscroll(int, int);
static int utf8decode(char *, long *);
@@ -317,6 +333,10 @@ static int utf8encode(long *, char *);
static int utf8size(char *);
static int isfullutf8(char *, int);
+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,
[ClientMessage] = cmessage,
@@ -329,6 +349,7 @@ static void (*handler[LASTEvent])(XEvent *) = {
[MotionNotify] = bmotion,
[ButtonPress] = bpress,
[ButtonRelease] = brelease,
+ [SelectionClear] = selclear,
[SelectionNotify] = selnotify,
[SelectionRequest] = selrequest,
};
@@ -342,11 +363,36 @@ static STREscape strescseq;
static int cmdfd;
static pid_t pid;
static Selection sel;
+static int iofd = -1;
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;
+void *
+xmalloc(size_t len) {
+ void *p = malloc(len);
+ if(!p)
+ die("Out of memory\n");
+ return p;
+}
+
+void *
+xrealloc(void *p, size_t len) {
+ if((p = realloc(p, len)) == NULL)
+ die("Out of memory\n");
+ return p;
+}
+
+void *
+xcalloc(size_t nmemb, size_t size) {
+ void *p = calloc(nmemb, size);
+ if(!p)
+ die("Out of memory\n");
+ return p;
+}
+
int
utf8decode(char *s, long *u) {
uchar c;
@@ -535,8 +581,11 @@ bpress(XEvent *e) {
if(IS_SET(MODE_MOUSE))
mousereport(e);
else if(e->xbutton.button == Button1) {
- if(sel.bx != -1)
+ 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);
@@ -553,25 +602,29 @@ selcopy(void) {
else {
bufsize = (term.col+1) * (sel.e.y-sel.b.y+1) * UTF_SIZ;
- ptr = str = malloc(bufsize);
+ 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;
- }
+ int size;
+ char *p;
+ Glyph *gp = &term.line[y][x];
+
+ 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';
}
*ptr = 0;
}
+ sel.alt = IS_SET(MODE_ALTSCREEN);
xsetsel(str);
}
@@ -602,6 +655,13 @@ selpaste() {
XConvertSelection(xw.dpy, XA_PRIMARY, sel.xtarget, XA_PRIMARY, xw.win, CurrentTime);
}
+void selclear(XEvent *e) {
+ if(sel.bx == -1)
+ return;
+ sel.bx = -1;
+ tsetdirt(sel.b.y, sel.e.y);
+}
+
void
selrequest(XEvent *e) {
XSelectionRequestEvent *xsre;
@@ -649,8 +709,6 @@ xsetsel(char *str) {
clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
XSetSelectionOwner(xw.dpy, clipboard, xw.win, CurrentTime);
-
- XFlush(xw.dpy);
}
void
@@ -693,7 +751,6 @@ brelease(XEvent *e) {
}
memcpy(&sel.tclick2, &sel.tclick1, sizeof(struct timeval));
gettimeofday(&sel.tclick1, NULL);
- draw();
}
void
@@ -710,7 +767,6 @@ bmotion(XEvent *e) {
int starty = MIN(oldey, sel.ey);
int endy = MAX(oldey, sel.ey);
tsetdirt(starty, endy);
- draw();
}
}
}
@@ -730,6 +786,17 @@ execsh(void) {
char **args;
char *envshell = getenv("SHELL");
+ unsetenv("COLUMNS");
+ unsetenv("LINES");
+ unsetenv("TERMCAP");
+
+ signal(SIGCHLD, SIG_DFL);
+ signal(SIGHUP, SIG_DFL);
+ signal(SIGINT, SIG_DFL);
+ signal(SIGQUIT, 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};
@@ -776,6 +843,16 @@ ttynew(void) {
close(s);
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));
+ }
+ }
+ }
}
}
@@ -807,7 +884,7 @@ ttyread(void) {
while(buflen >= UTF_SIZ || isfullutf8(ptr,buflen)) {
charsize = utf8decode(ptr, &utf8c);
utf8encode(&utf8c, s);
- tputc(s);
+ tputc(s, charsize);
ptr += charsize;
buflen -= charsize;
}
@@ -823,12 +900,13 @@ ttywrite(const char *s, size_t n) {
}
void
-ttyresize(int x, int y) {
+ttyresize(void) {
struct winsize w;
w.ws_row = term.row;
w.ws_col = term.col;
- w.ws_xpixel = w.ws_ypixel = 0;
+ 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);
}
@@ -863,7 +941,7 @@ tcursor(int mode) {
void
treset(void) {
- unsigned i;
+ uint i;
term.c = (TCursor){{
.mode = ATTR_NULL,
.fg = DefaultFG,
@@ -871,10 +949,11 @@ treset(void) {
}, .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 = TAB; i < term.col; i += TAB)
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);
}
@@ -882,14 +961,14 @@ void
tnew(int col, int row) {
/* set screen size */
term.row = row, term.col = col;
- term.line = malloc(term.row * sizeof(Line));
- term.alt = malloc(term.row * sizeof(Line));
- term.dirty = malloc(term.row * sizeof(*term.dirty));
- term.tabs = malloc(term.col * sizeof(*term.tabs));
+ term.line = xmalloc(term.row * sizeof(Line));
+ term.alt = xmalloc(term.row * sizeof(Line));
+ term.dirty = xmalloc(term.row * sizeof(*term.dirty));
+ term.tabs = xmalloc(term.col * sizeof(*term.tabs));
for(row = 0; row < term.row; row++) {
- term.line[row] = malloc(term.col * sizeof(Glyph));
- term.alt [row] = malloc(term.col * sizeof(Glyph));
+ term.line[row] = xmalloc(term.col * sizeof(Glyph));
+ term.alt [row] = xmalloc(term.col * sizeof(Glyph));
term.dirty[row] = 0;
}
memset(term.tabs, 0, term.col * sizeof(*term.tabs));
@@ -1015,6 +1094,27 @@ tmoveto(int x, int y) {
void
tsetchar(char *c) {
+ /*
+ * The table is proudly stolen from rxvt.
+ */
+ if(term.c.attr.mode & ATTR_GFX) {
+ char *vt100_0[62] = { /* 0x41 - 0x7e */
+ "â", "â", "â", "â", "â", "â", "â", /* 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 - _ */
+ "â", "â", "â", "â", "â", "â", "°", "±", /* ` - g */
+ "â¤", "â", "â", "â", "â", "â", "â¼", "âº", /* h - o */
+ "â»", "â", "â¼", "â½", "â", "â¤", "â´", "â¬", /* p - w */
+ "â", "â¤", "â¥", "Ï", "â ", "£", "·", /* x - ~ */
+ };
+
+ 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);
@@ -1097,25 +1197,39 @@ tsetattr(int *attr, int l) {
for(i = 0; i < l; i++) {
switch(attr[i]) {
case 0:
- term.c.attr.mode &= ~(ATTR_REVERSE | ATTR_UNDERLINE | ATTR_BOLD);
+ term.c.attr.mode &= ~(ATTR_REVERSE | ATTR_UNDERLINE | ATTR_BOLD \
+ | ATTR_ITALIC | ATTR_BLINK);
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) */
+ term.c.attr.mode |= ATTR_ITALIC;
+ break;
case 4:
term.c.attr.mode |= ATTR_UNDERLINE;
break;
+ case 5:
+ term.c.attr.mode |= ATTR_BLINK;
+ break;
case 7:
term.c.attr.mode |= ATTR_REVERSE;
break;
+ case 21:
case 22:
term.c.attr.mode &= ~ATTR_BOLD;
break;
+ case 23: /* leave standout (highlight) mode */
+ term.c.attr.mode &= ~ATTR_ITALIC;
+ break;
case 24:
term.c.attr.mode &= ~ATTR_UNDERLINE;
break;
+ case 25:
+ term.c.attr.mode &= ~ATTR_BLINK;
+ break;
case 27:
term.c.attr.mode &= ~ATTR_REVERSE;
break;
@@ -1155,7 +1269,7 @@ tsetattr(int *attr, int l) {
else if(BETWEEN(attr[i], 90, 97))
term.c.attr.fg = attr[i] - 90 + 8;
else if(BETWEEN(attr[i], 100, 107))
- term.c.attr.fg = attr[i] - 100 + 8;
+ term.c.attr.bg = attr[i] - 100 + 8;
else
fprintf(stderr, "erresc(default): gfx attr %d unknown\n", attr[i]), csidump();
break;
@@ -1184,24 +1298,27 @@ void
tsetmode(bool priv, bool set, int *args, int narg) {
int *lim, mode;
- for (lim = args + narg; args < lim; ++args) {
+ 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 */
mode = term.mode;
- MODBIT(term.mode,set, MODE_REVERSE);
- if (mode != term.mode)
- draw();
+ MODBIT(term.mode, set, MODE_REVERSE);
+ if(mode != term.mode)
+ redraw();
+ break;
+ case 6: /* XXX: DECOM -- Origin */
break;
- case 7:
+ case 7: /* DECAWM -- Auto wrap */
MODBIT(term.mode, set, MODE_WRAP);
break;
- case 20:
- MODBIT(term.mode, set, MODE_CRLF);
+ case 8: /* XXX: DECARM -- Auto repeat */
break;
+ case 0: /* Error (IGNORED) */
case 12: /* att610 -- Start blinking cursor (IGNORED) */
break;
case 25:
@@ -1218,17 +1335,23 @@ tsetmode(bool priv, bool set, int *args, int narg) {
case 1047:
if(IS_SET(MODE_ALTSCREEN))
tclearregion(0, 0, term.col-1, term.row-1);
- if ((set && !IS_SET(MODE_ALTSCREEN)) ||
+ if((set && !IS_SET(MODE_ALTSCREEN)) ||
(!set && IS_SET(MODE_ALTSCREEN))) {
tswapscreen();
}
- if (*args != 1049)
+ 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);
@@ -1236,9 +1359,19 @@ tsetmode(bool priv, bool set, int *args, int narg) {
}
} 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: /* XXX: SRM -- Send/Receive */
+ break;
+ case 20: /* LNM -- Linefeed/new line */
+ MODBIT(term.mode, set, MODE_CRLF);
+ break;
default:
fprintf(stderr,
"erresc: unknown set/reset mode %d\n",
@@ -1303,19 +1436,19 @@ csihandle(void) {
}
break;
case 'G': /* CHA -- Move to <col> */
- case '`': /* XXX: HPA -- same? */
+ case '`': /* HPA */
DEFAULT(csiescseq.arg[0], 1);
tmoveto(csiescseq.arg[0]-1, term.c.y);
break;
case 'H': /* CUP -- Move to <row> <col> */
- case 'f': /* XXX: HVP -- same? */
+ case 'f': /* HVP */
DEFAULT(csiescseq.arg[0], 1);
DEFAULT(csiescseq.arg[1], 1);
tmoveto(csiescseq.arg[1]-1, csiescseq.arg[0]-1);
break;
case 'I': /* CHT -- Cursor Forward Tabulation <n> tab stops */
DEFAULT(csiescseq.arg[0], 1);
- while (csiescseq.arg[0]--)
+ while(csiescseq.arg[0]--)
tputtab(1);
break;
case 'J': /* ED -- Clear screen */
@@ -1380,7 +1513,7 @@ csihandle(void) {
break;
case 'Z': /* CBT -- Cursor Backward Tabulation <n> tab stops */
DEFAULT(csiescseq.arg[0], 1);
- while (csiescseq.arg[0]--)
+ while(csiescseq.arg[0]--)
tputtab(0);
break;
case 'd': /* VPA -- Move to <row> */
@@ -1441,7 +1574,7 @@ strhandle(void) {
*/
strparse();
- p = strescseq.buf;
+ p = strescseq.buf;
switch(strescseq.type) {
case ']': /* OSC -- Operating System Command */
@@ -1467,6 +1600,9 @@ strhandle(void) {
break;
}
break;
+ case 'k': /* old title set compatibility */
+ XStoreName(xw.dpy, xw.win, strescseq.buf);
+ break;
case 'P': /* DSC -- Device Control String */
case '_': /* APC -- Application Program Command */
case '^': /* PM -- Privacy Message */
@@ -1509,25 +1645,58 @@ strreset(void) {
void
tputtab(bool forward) {
- unsigned x = term.c.x;
+ uint x = term.c.x;
- if (forward) {
- if (x == term.col)
+ if(forward) {
+ if(x == term.col)
return;
- for (++x; x < term.col && !term.tabs[x]; ++x)
+ for(++x; x < term.col && !term.tabs[x]; ++x)
/* nothing */ ;
} else {
- if (x == 0)
+ if(x == 0)
return;
- for (--x; x > 0 && !term.tabs[x]; --x)
+ for(--x; x > 0 && !term.tabs[x]; --x)
/* nothing */ ;
}
tmoveto(x, term.c.y);
}
void
-tputc(char *c) {
- char ascii = *c;
+tputc(char *c, int len) {
+ uchar ascii = *c;
+
+ if(iofd != -1)
+ write(iofd, c, len);
+
+ switch(ascii) {
+ case '\t':
+ tputtab(1);
+ return;
+ case '\b':
+ tmoveto(term.c.x-1, term.c.y);
+ return;
+ case '\r':
+ tmoveto(0, term.c.y);
+ return;
+ case '\f':
+ case '\v':
+ case '\n':
+ /* go to first col if the mode is set */
+ tnewline(IS_SET(MODE_CRLF));
+ return;
+ case '\a':
+ if(term.esc & ESC_STR)
+ break;
+
+ if(!(xw.state & WIN_FOCUSED))
+ xseturgency(1);
+ return;
+ case '\033':
+ csireset();
+ term.esc = ESC_START;
+ return;
+ }
+
if(term.esc & ESC_START) {
if(term.esc & ESC_CSI) {
csiescseq.buf[csiescseq.len++] = ascii;
@@ -1546,7 +1715,7 @@ tputc(char *c) {
break;
default:
strescseq.buf[strescseq.len++] = ascii;
- if (strescseq.len+1 >= STR_BUF_SIZ) {
+ if(strescseq.len+1 >= STR_BUF_SIZ) {
term.esc = 0;
strhandle();
}
@@ -1557,12 +1726,18 @@ tputc(char *c) {
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);
}
@@ -1576,13 +1751,19 @@ tputc(char *c) {
case '_': /* APC -- Application Program Command */
case '^': /* PM -- Privacy Message */
case ']': /* OSC -- Operating System Command */
+ case 'k': /* old title set compatibility */
strreset();
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)
tscrollup(term.top, 1);
@@ -1608,6 +1789,8 @@ tputc(char *c) {
case 'c': /* RIS -- Reset to inital state */
treset();
term.esc = 0;
+ xclearborders();
+ xresettitle();
break;
case '=': /* DECPAM -- Application keypad */
term.mode |= MODE_APPKEYPAD;
@@ -1637,31 +1820,7 @@ tputc(char *c) {
} else {
if(sel.bx != -1 && BETWEEN(term.c.y, sel.by, sel.ey))
sel.bx = -1;
- switch(ascii) {
- 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(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);
@@ -1702,16 +1861,16 @@ tresize(int col, int row) {
}
/* resize to new height */
- term.line = realloc(term.line, row * sizeof(Line));
- term.alt = realloc(term.alt, row * sizeof(Line));
- term.dirty = realloc(term.dirty, row * sizeof(*term.dirty));
- term.tabs = realloc(term.tabs, col * sizeof(*term.tabs));
+ term.line = xrealloc(term.line, row * sizeof(Line));
+ term.alt = xrealloc(term.alt, row * sizeof(Line));
+ term.dirty = xrealloc(term.dirty, row * sizeof(*term.dirty));
+ term.tabs = xrealloc(term.tabs, col * sizeof(*term.tabs));
/* resize each row to new width, zero-pad if needed */
for(i = 0; i < minrow; i++) {
term.dirty[i] = 1;
- term.line[i] = realloc(term.line[i], col * sizeof(Glyph));
- term.alt[i] = realloc(term.alt[i], col * sizeof(Glyph));
+ term.line[i] = xrealloc(term.line[i], col * sizeof(Glyph));
+ term.alt[i] = xrealloc(term.alt[i], col * sizeof(Glyph));
for(x = mincol; x < col; x++) {
term.line[i][x].state = 0;
term.alt[i][x].state = 0;
@@ -1721,16 +1880,16 @@ tresize(int col, int row) {
/* 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) {
+ if(col > term.col) {
bool *bp = term.tabs + term.col;
memset(bp, 0, sizeof(*term.tabs) * (col - term.col));
- while (--bp > term.tabs && !*bp)
+ while(--bp > term.tabs && !*bp)
/* nothing */ ;
- for (bp += TAB; bp < term.tabs + col; bp += TAB)
+ for(bp += TAB; bp < term.tabs + col; bp += TAB)
*bp = 1;
}
/* update terminal size */
@@ -1745,118 +1904,124 @@ tresize(int col, int row) {
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*BORDER + col * xw.cw);
+ xw.th = MAX(1, 2*BORDER + row * xw.ch);
+
+ XftDrawChange(xw.xft_draw, xw.buf);
}
void
xloadcols(void) {
int i, r, g, b;
- XColor color;
- ulong white = WhitePixel(xw.dpy, xw.scr);
+ XRenderColor xft_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.xft_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(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;
+ 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])) {
+ 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;
+ 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])) {
+ dc.xft_col[i] = dc.xft_col[256];
fprintf(stderr, "Could not allocate color %d\n", i);
- } else
- dc.col[i] = color.pixel;
+ }
}
}
+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,
+ (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.xft_draw,
+ &dc.xft_col[IS_SET(MODE_REVERSE) ? DefaultFG : DefaultBG],
+ x1, y1, x2-x1, y2-y1);
+}
+
+void
+xclearborders(void) {
+ /* top and left border */
+ xclear(0, 0, BORDER, xw.h);
+ xclear(0, 0, xw.w, BORDER);
+
+ /* lower and right border */
+ xclear(BORDER, xw.th - 1, xw.w, xw.h);
+ /* Will just draw what hasn't been drawn by the previous call. */
+ xclear(xw.tw - 1, BORDER, xw.w, xw.h - xw.th - 2);
}
void
xhints(void) {
XClassHint class = {opt_class ? opt_class : TNAME, TNAME};
XWMHints wm = {.flags = InputHint, .input = 1};
- XSizeHints size = {
- .flags = PSize | PResizeInc | PBaseSize,
- .height = xw.h,
- .width = xw.w,
- .height_inc = xw.ch,
- .width_inc = xw.cw,
- .base_height = 2*BORDER,
- .base_width = 2*BORDER,
- };
- XSetWMProperties(xw.dpy, xw.win, NULL, NULL, NULL, 0, &size, &wm, &class);
-}
-
-XFontSet
-xinitfont(char *fontstr) {
- XFontSet set;
- char *def, **missing;
- int n;
-
- 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);
+ XSizeHints *sizeh = NULL;
+
+ sizeh = XAllocSizeHints();
+ if(xw.isfixed == False) {
+ sizeh->flags = PSize | PResizeInc | PBaseSize;
+ sizeh->height = xw.h;
+ sizeh->width = xw.w;
+ sizeh->height_inc = xw.ch;
+ sizeh->width_inc = xw.cw;
+ sizeh->base_height = 2*BORDER;
+ sizeh->base_width = 2*BORDER;
+ } else {
+ sizeh->flags = PMaxSize | PMinSize;
+ sizeh->min_width = sizeh->max_width = xw.fw;
+ sizeh->min_height = sizeh->max_height = xw.fh;
}
- return set;
+
+ XSetWMProperties(xw.dpy, xw.win, NULL, NULL, NULL, 0, sizeh, &wm, &class);
+ XFree(sizeh);
}
void
-xgetfontinfo(XFontSet set, int *ascent, int *descent, short *lbearing, short *rbearing) {
- XFontStruct **xfonts;
- char **font_names;
- int i, n;
+xinitfont(Font *f, char *fontstr) {
+ f->xft_set = XftFontOpenName(xw.dpy, xw.scr, 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(!f->xft_set)
+ die("st: can't open font %s.\n", fontstr);
+
+ f->ascent = f->xft_set->ascent;
+ f->descent = f->xft_set->descent;
+ f->lbearing = 0;
+ f->rbearing = f->xft_set->max_advance_width;
}
void
-initfonts(char *fontstr, char *bfontstr) {
- if((dc.font.set = xinitfont(fontstr)) == NULL ||
- (dc.bfont.set = xinitfont(bfontstr)) == NULL)
- die("Can't load font %s\n", dc.font.set ? BOLDFONT : FONT);
- 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);
+initfonts(char *fontstr, char *bfontstr, char *ifontstr, char *ibfontstr) {
+ xinitfont(&dc.font, fontstr);
+ xinitfont(&dc.bfont, bfontstr);
+ xinitfont(&dc.ifont, ifontstr);
+ xinitfont(&dc.ibfont, ibfontstr);
}
void
@@ -1864,13 +2029,15 @@ xinit(void) {
XSetWindowAttributes attrs;
Cursor cursor;
Window parent;
+ int sw, sh, major, minor;
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);
+ initfonts(FONT, BOLDFONT, ITALICFONT, ITALICBOLDFONT);
/* XXX: Assuming same size for bold font */
xw.cw = dc.font.rbearing - dc.font.lbearing;
@@ -1880,28 +2047,48 @@ xinit(void) {
xw.cmap = XDefaultColormap(xw.dpy, xw.scr);
xloadcols();
- /* window - default size */
- xw.h = 2*BORDER + term.row * xw.ch;
- xw.w = 2*BORDER + term.col * xw.cw;
+ /* adjust fixed window geometry */
+ if(xw.isfixed) {
+ sw = DisplayWidth(xw.dpy, xw.scr);
+ sh = DisplayHeight(xw.dpy, xw.scr);
+ if(xw.fx < 0)
+ xw.fx = sw + xw.fx - xw.fw - 1;
+ if(xw.fy < 0)
+ xw.fy = sh + xw.fy - xw.fh - 1;
+
+ xw.h = xw.fh;
+ 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.fx = 0;
+ xw.fy = 0;
+ }
- attrs.background_pixel = dc.col[DefaultBG];
- attrs.border_pixel = dc.col[DefaultBG];
+ attrs.background_pixel = dc.xft_col[DefaultBG].pixel;
+ attrs.border_pixel = dc.xft_col[DefaultBG].pixel;
attrs.bit_gravity = NorthWestGravity;
attrs.event_mask = FocusChangeMask | KeyPressMask
| ExposureMask | VisibilityChangeMask | StructureNotifyMask
- | ButtonMotionMask | ButtonPressMask | ButtonReleaseMask
- | EnterWindowMask | LeaveWindowMask;
+ | ButtonMotionMask | ButtonPressMask | ButtonReleaseMask;
attrs.colormap = xw.cmap;
parent = opt_embed ? strtol(opt_embed, NULL, 0) : XRootWindow(xw.dpy, xw.scr);
- xw.win = XCreateWindow(xw.dpy, parent, 0, 0,
+ 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.xft_draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap);
/* input methods */
xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL);
@@ -1920,7 +2107,7 @@ xinit(void) {
xw.xembed = XInternAtom(xw.dpy, "_XEMBED", False);
- XStoreName(xw.dpy, xw.win, opt_title ? opt_title : "st");
+ xresettitle();
XMapWindow(xw.dpy, xw.win);
xhints();
XSync(xw.dpy, 0);
@@ -1930,8 +2117,8 @@ 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;
+ Font *font = &dc.font;
+ XGlyphInfo extents;
/* only switch default fg/bg if term is in RV mode */
if(IS_SET(MODE_REVERSE)) {
@@ -1946,34 +2133,23 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
if(base.mode & ATTR_BOLD) {
fg += 8;
- fontset = dc.bfont.set;
+ font = &dc.bfont;
}
- 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;
- }
- }
+ if(base.mode & ATTR_ITALIC)
+ font = &dc.ifont;
+ if(base.mode & (ATTR_ITALIC|ATTR_ITALIC))
+ font = &dc.ibfont;
- XmbDrawImageString(xw.dpy, xw.buf, fontset, dc.gc, winx, winy, s, bytelen);
-
- if(base.mode & ATTR_UNDERLINE)
- XDrawLine(xw.dpy, xw.buf, dc.gc, winx, winy+1, winx+width-1, winy+1);
-}
-
-/* copy buffer pixmap to screen pixmap */
-void
-xcopy() {
- XdbeSwapInfo swpinfo[1] = {{xw.win, XdbeCopied}};
- XdbeSwapBuffers(xw.dpy, swpinfo, 1);
+ XftTextExtentsUtf8(xw.dpy, font->xft_set, (FcChar8 *)s, bytelen, &extents);
+ width = extents.xOff;
+ XftDrawRect(xw.xft_draw, &dc.xft_col[bg], winx, winy - font->ascent, width, xw.ch);
+ XftDrawStringUtf8(xw.xft_draw, &dc.xft_col[fg], font->xft_set, winx, winy, (FcChar8 *)s, bytelen);
+ if(base.mode & ATTR_UNDERLINE) {
+ XftDrawRect(xw.xft_draw, &dc.xft_col[fg], winx, winy+1,
+ width, 1);
+ }
}
void
@@ -1994,9 +2170,7 @@ xdrawcursor(void) {
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);
-
- xcopy(oldx, oldy, 1, 1);
+ xtermclear(oldx, oldy, oldx, oldy);
/* draw the new one */
if(!(term.c.state & CURSOR_HIDE)) {
@@ -2010,15 +2184,30 @@ xdrawcursor(void) {
xdraws(g.c, g, term.c.x, term.c.y, 1, sl);
oldx = term.c.x, oldy = term.c.y;
}
+}
+
+void
+xresettitle(void) {
+ XStoreName(xw.dpy, xw.win, opt_title ? opt_title : "st");
+}
- xcopy(term.c.x, term.c.y, 1, 1);
+void
+redraw(void) {
+ struct timespec tv = {0, REDRAW_TIMEOUT * 1000};
+
+ xclearborders();
+ tfulldirt();
+ draw();
+ XSync(xw.dpy, False); /* necessary for a good tput flash */
+ nanosleep(&tv, NULL);
}
void
-draw() {
+draw(void) {
+ XdbeSwapInfo swpinfo[1] = {{xw.win, XdbeCopied}};
+
drawregion(0, 0, term.col, term.row);
- xcopy();
- gettimeofday(&xw.lastdraw, NULL);
+ XdbeSwapBuffers(xw.dpy, swpinfo, 1);
}
void
@@ -2026,20 +2215,23 @@ drawregion(int x1, int y1, int x2, int y2) {
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);
+ if((sel.alt && !alt) || (!sel.alt && 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;
for(x = x1; x < x2; x++) {
new = term.line[y][x];
- if(sel.bx != -1 && *(new.c) && selected(x, y))
+ 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)) {
@@ -2070,7 +2262,6 @@ expose(XEvent *ev) {
if(!e->count)
xw.state &= ~WIN_REDRAW;
}
- xcopy();
}
void
@@ -2103,7 +2294,6 @@ focus(XEvent *ev) {
xseturgency(0);
} else
xw.state &= ~WIN_FOCUSED;
- draw();
}
char*
@@ -2129,6 +2319,8 @@ kpress(XEvent *ev) {
int shift;
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);
@@ -2172,14 +2364,13 @@ void
cmessage(XEvent *e) {
/* See xembed specs
http://standards.freedesktop.org/xembed-spec/xembed-spec-latest.html */
- if (e->xclient.message_type == xw.xembed && e->xclient.format == 32) {
- if (e->xclient.data.l[1] == XEMBED_FOCUS_IN) {
+ if(e->xclient.message_type == xw.xembed && e->xclient.format == 32) {
+ if(e->xclient.data.l[1] == XEMBED_FOCUS_IN) {
xw.state |= WIN_FOCUSED;
xseturgency(0);
- } else if (e->xclient.data.l[1] == XEMBED_FOCUS_OUT) {
+ } else if(e->xclient.data.l[1] == XEMBED_FOCUS_OUT) {
xw.state &= ~WIN_FOCUSED;
}
- draw();
}
}
@@ -2196,47 +2387,48 @@ resize(XEvent *e) {
row = (xw.h - 2*BORDER) / xw.ch;
if(col == term.col && row == term.row)
return;
- if(tresize(col, row))
- draw();
- ttyresize(col, row);
- xresize(col, row);
-}
-bool
-last_draw_too_old(void) {
- struct timeval now;
- gettimeofday(&now, NULL);
- return TIMEDIFF(now, xw.lastdraw) >= DRAW_TIMEOUT/1000;
+ tresize(col, row);
+ xresize(col, row);
+ xclearborders();
+ ttyresize();
}
void
run(void) {
XEvent ev;
fd_set rfd;
- int xfd = XConnectionNumber(xw.dpy);
- struct timeval timeout = {0};
- bool stuff_to_print = 0;
+ 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);
- timeout.tv_sec = 0;
- timeout.tv_usec = SELECT_TIMEOUT;
- if(select(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, &timeout) < 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();
- stuff_to_print = 1;
- }
- if(stuff_to_print && last_draw_too_old()) {
- stuff_to_print = 0;
- draw();
+ /*
+ * 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);
@@ -2245,12 +2437,19 @@ run(void) {
if(handler[ev.type])
(handler[ev.type])(&ev);
}
+
+ draw();
+ XFlush(xw.dpy);
}
}
int
main(int argc, char *argv[]) {
- int i;
+ int i, bitm, xr, yr;
+ 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]) {
@@ -2263,10 +2462,34 @@ main(int argc, char *argv[]) {
case 'w':
if(++i < argc) opt_embed = argv[i];
break;
+ case 'f':
+ if(++i < argc) opt_io = argv[i];
+ break;
case 'e':
/* eat every remaining arguments */
if(++i < argc) opt_cmd = &argv[i];
goto run;
+ case 'g':
+ if(++i >= argc)
+ break;
+
+ bitm = XParseGeometry(argv[i], &xr, &yr, &wr, &hr);
+ if(bitm & XValue)
+ xw.fx = xr;
+ if(bitm & YValue)
+ xw.fy = yr;
+ if(bitm & WidthValue)
+ xw.fw = (int)wr;
+ if(bitm & HeightValue)
+ xw.fh = (int)hr;
+ if(bitm & XNegative && xw.fx == 0)
+ xw.fx = -1;
+ if(bitm & XNegative && xw.fy == 0)
+ xw.fy = -1;
+
+ if(xw.fh != 0 && xw.fw != 0)
+ xw.isfixed = True;
+ break;
case 'v':
default:
die(USAGE);
@@ -2282,3 +2505,4 @@ main(int argc, char *argv[]) {
run();
return 0;
}
+