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Add -g geometry to st and the manpage.
[st.git] / st.c
diff --git a/st.c b/st.c
index 8cc0e1d..8b30d4c 100644 (file)
--- a/st.c
+++ b/st.c
@@ -36,7 +36,8 @@
 
 #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
@@ -54,6 +55,7 @@
 
 #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))
@@ -194,6 +196,8 @@ typedef struct {
        XIM xim;
        XIC xic;
        int scr;
+       Bool isfixed; /* is fixed geometry? */
+       int fx, fy, fw, fh; /* fixed geometry */
        int w;  /* window width */
        int h;  /* window height */
        int ch; /* char height */
@@ -238,6 +242,7 @@ typedef struct {
 
 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);
@@ -273,6 +278,7 @@ static void tsetchar(char*);
 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 ttynew(void);
@@ -341,7 +347,9 @@ static STREscape strescseq;
 static int cmdfd;
 static pid_t pid;
 static Selection sel;
+static FILE *fileio;
 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;
@@ -503,7 +511,7 @@ mousereport(XEvent *e) {
        int state = e->xbutton.state;
        char buf[] = { '\033', '[', 'M', 0, 32+x+1, 32+y+1 };
        static int ob, ox, oy;
-       
+
        /* from urxvt */
        if(e->xbutton.type == MotionNotify) {
                if(!IS_SET(MODE_MOUSEMOTION) || (x == ox && y == oy))
@@ -521,11 +529,11 @@ mousereport(XEvent *e) {
                        ox = x, oy = y;
                }
        }
-       
+
        buf[3] = 32 + button + (state & ShiftMask ? 4 : 0)
                + (state & Mod4Mask    ? 8  : 0)
                + (state & ControlMask ? 16 : 0);
-       
+
        ttywrite(buf, sizeof(buf));
 }
 
@@ -750,7 +758,7 @@ sigchld(int a) {
 void
 ttynew(void) {
        int m, s;
-       
+
        /* 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)
@@ -775,6 +783,10 @@ ttynew(void) {
                close(s);
                cmdfd = m;
                signal(SIGCHLD, sigchld);
+               if (opt_io && !(fileio = fopen(opt_io, "w"))) {
+                       fprintf(stderr, "Error opening %s:%s",
+                               opt_io, strerror(errno));
+               }
        }
 }
 
@@ -909,11 +921,11 @@ void
 tscrolldown(int orig, int n) {
        int i;
        Line temp;
-       
+
        LIMIT(n, 0, term.bot-orig+1);
 
        tclearregion(0, term.bot-n+1, term.col-1, term.bot);
-       
+
        for(i = term.bot; i >= orig+n; i--) {
                temp = term.line[i];
                term.line[i] = term.line[i-n];
@@ -931,9 +943,9 @@ tscrollup(int orig, int n) {
        int i;
        Line temp;
        LIMIT(n, 0, term.bot-orig+1);
-       
+
        tclearregion(0, orig, term.col-1, orig+n-1);
-       
+
        for(i = orig; i <= term.bot-n; i++) {
                 temp = term.line[i];
                 term.line[i] = term.line[i+n];
@@ -950,7 +962,7 @@ void
 selscroll(int orig, int n) {
        if(sel.bx == -1)
                return;
-       
+
        if(BETWEEN(sel.by, orig, term.bot) || BETWEEN(sel.ey, orig, term.bot)) {
                if((sel.by += n) > term.bot || (sel.ey += n) < term.top) {
                        sel.bx = -1;
@@ -987,7 +999,7 @@ csiparse(void) {
        csiescseq.narg = 0;
        if(*p == '?')
                csiescseq.priv = 1, p++;
-       
+
        while(p < csiescseq.buf+csiescseq.len) {
                while(isdigit(*p)) {
                        csiescseq.arg[csiescseq.narg] *= 10;
@@ -1046,7 +1058,7 @@ tdeletechar(int n) {
        int src = term.c.x + n;
        int dst = term.c.x;
        int size = term.col - src;
-       
+
        term.dirty[term.c.y] = 1;
 
        if(src >= term.col) {
@@ -1103,6 +1115,9 @@ tsetattr(int *attr, int l) {
                case 1:
                        term.c.attr.mode |= ATTR_BOLD;
                        break;
+               case 3: /* enter standout (highlight) mode TODO: make it italic */
+                       term.c.attr.mode |= ATTR_REVERSE;
+                       break;
                case 4:
                        term.c.attr.mode |= ATTR_UNDERLINE;
                        break;
@@ -1112,6 +1127,9 @@ tsetattr(int *attr, int l) {
                case 22:
                        term.c.attr.mode &= ~ATTR_BOLD;
                        break;
+               case 23: /* leave standout (highlight) mode TODO: make it italic */
+                       term.c.attr.mode &= ~ATTR_REVERSE;
+                       break;
                case 24:
                        term.c.attr.mode &= ~ATTR_UNDERLINE;
                        break;
@@ -1127,7 +1145,7 @@ tsetattr(int *attr, int l) {
                                        fprintf(stderr, "erresc: bad fgcolor %d\n", attr[i]);
                        }
                        else
-                               fprintf(stderr, "erresc: gfx attr %d unknown\n", attr[i]);
+                               fprintf(stderr, "erresc(38): gfx attr %d unknown\n", attr[i]);
                        break;
                case 39:
                        term.c.attr.fg = DefaultFG;
@@ -1141,7 +1159,7 @@ tsetattr(int *attr, int l) {
                                        fprintf(stderr, "erresc: bad bgcolor %d\n", attr[i]);
                        }
                        else
-                               fprintf(stderr, "erresc: gfx attr %d unknown\n", attr[i]);
+                               fprintf(stderr, "erresc(48): gfx attr %d unknown\n", attr[i]);
                        break;
                case 49:
                        term.c.attr.bg = DefaultBG;
@@ -1156,8 +1174,7 @@ tsetattr(int *attr, int l) {
                        else if(BETWEEN(attr[i], 100, 107))
                                term.c.attr.fg = attr[i] - 100 + 8;
                        else
-                               fprintf(stderr, "erresc: gfx attr %d unknown\n", attr[i]), csidump();
-                       
+                               fprintf(stderr, "erresc(default): gfx attr %d unknown\n", attr[i]), csidump();
                        break;
                }
        }
@@ -1178,6 +1195,79 @@ tsetscroll(int t, int b) {
        term.bot = b;
 }
 
+#define MODBIT(x, set, bit) ((set) ? ((x) |= (bit)) : ((x) &= ~(bit)))
+
+void
+tsetmode(bool priv, bool set, int *args, int narg) {
+       int *lim, mode;
+
+       for (lim = args + narg; args < lim; ++args) {
+               if(priv) {
+                       switch(*args) {
+                       case 1:
+                               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)
+                                       redraw();
+                               break;
+                       case 7:
+                               MODBIT(term.mode, set, MODE_WRAP);
+                               break;
+                       case 20:
+                               MODBIT(term.mode, set, MODE_CRLF);
+                               break;
+                       case 12: /* att610 -- Start blinking cursor (IGNORED) */
+                               break;
+                       case 25:
+                               MODBIT(term.c.state, !set, CURSOR_HIDE);
+                               break;
+                       case 1000: /* 1000,1002: enable xterm mouse report */
+                               MODBIT(term.mode, set, MODE_MOUSEBTN);
+                               break;
+                       case 1002:
+                               MODBIT(term.mode, set, MODE_MOUSEMOTION);
+                               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();
+                               }
+                               if (*args != 1049)
+                                       break;
+                               /* pass through */
+                       case 1048:
+                               tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
+                               break;
+                       default:
+                               fprintf(stderr,
+                                       "erresc: unknown private set/reset mode %d\n",
+                                       *args);
+                               break;
+                       }
+               } else {
+                       switch(*args) {
+                       case 4:
+                               MODBIT(term.mode, set, MODE_INSERT);
+                               break;
+                       default:
+                               fprintf(stderr,
+                                       "erresc: unknown set/reset mode %d\n",
+                                       *args);
+                               break;
+                       }
+               }
+       }
+}
+#undef MODBIT
+
+
 void
 csihandle(void) {
        switch(csiescseq.mode) {
@@ -1291,58 +1381,7 @@ csihandle(void) {
                tinsertblankline(csiescseq.arg[0]);
                break;
        case 'l': /* RM -- Reset Mode */
-               if(csiescseq.priv) {
-                       switch(csiescseq.arg[0]) {
-                       case 1:
-                               term.mode &= ~MODE_APPKEYPAD;
-                               break;
-                       case 5: /* DECSCNM -- Remove reverse video */
-                               if(IS_SET(MODE_REVERSE)) {
-                                       term.mode &= ~MODE_REVERSE;
-                                       draw();
-                               }
-                               break;
-                       case 7:
-                               term.mode &= ~MODE_WRAP;
-                               break;
-                       case 12: /* att610 -- Stop blinking cursor (IGNORED) */
-                               break;
-                       case 20:
-                               term.mode &= ~MODE_CRLF;
-                               break;
-                       case 25:
-                               term.c.state |= CURSOR_HIDE;
-                               break;
-                       case 1000: /* disable X11 xterm mouse reporting */
-                               term.mode &= ~MODE_MOUSEBTN;
-                               break;
-                       case 1002:
-                               term.mode &= ~MODE_MOUSEMOTION;
-                               break;
-                       case 1049: /* = 1047 and 1048 */
-                       case 47:
-                       case 1047:
-                               if(IS_SET(MODE_ALTSCREEN)) {
-                                       tclearregion(0, 0, term.col-1, term.row-1);
-                                       tswapscreen();
-                               }
-                               if(csiescseq.arg[0] != 1049)
-                                       break;
-                       case 1048:
-                               tcursor(CURSOR_LOAD);
-                               break;
-                       default:
-                               goto unknown;
-                       }
-               } else {
-                       switch(csiescseq.arg[0]) {
-                       case 4:
-                               term.mode &= ~MODE_INSERT;
-                               break;
-                       default:
-                               goto unknown;
-                       }
-               }
+               tsetmode(csiescseq.priv, 0, csiescseq.arg, csiescseq.narg);
                break;
        case 'M': /* DL -- Delete <n> lines */
                DEFAULT(csiescseq.arg[0], 1);
@@ -1366,58 +1405,7 @@ csihandle(void) {
                tmoveto(term.c.x, csiescseq.arg[0]-1);
                break;
        case 'h': /* SM -- Set terminal mode */
-               if(csiescseq.priv) {
-                       switch(csiescseq.arg[0]) {
-                       case 1:
-                               term.mode |= MODE_APPKEYPAD;
-                               break;
-                       case 5: /* DECSCNM -- Reverve video */
-                               if(!IS_SET(MODE_REVERSE)) {
-                                       term.mode |= MODE_REVERSE;
-                                       draw();
-                               }
-                               break;
-                       case 7:
-                               term.mode |= MODE_WRAP;
-                               break;
-                       case 20:
-                               term.mode |= MODE_CRLF;
-                               break;
-                       case 12: /* att610 -- Start blinking cursor (IGNORED) */
-                                /* fallthrough for xterm cvvis = CSI [ ? 12 ; 25 h */
-                               if(csiescseq.narg > 1 && csiescseq.arg[1] != 25)
-                                       break;
-                       case 25:
-                               term.c.state &= ~CURSOR_HIDE;
-                               break;
-                       case 1000: /* 1000,1002: enable xterm mouse report */
-                               term.mode |= MODE_MOUSEBTN;
-                               break;
-                       case 1002:
-                               term.mode |= MODE_MOUSEMOTION;
-                               break;
-                       case 1049: /* = 1047 and 1048 */
-                       case 47:
-                       case 1047:
-                               if(IS_SET(MODE_ALTSCREEN))
-                                       tclearregion(0, 0, term.col-1, term.row-1);
-                               else
-                                       tswapscreen();
-                               if(csiescseq.arg[0] != 1049)
-                                       break;
-                       case 1048:
-                               tcursor(CURSOR_SAVE);
-                               break;
-                       default: goto unknown;
-                       }
-               } else {
-                       switch(csiescseq.arg[0]) {
-                       case 4:
-                               term.mode |= MODE_INSERT;
-                               break;
-                       default: goto unknown;
-                       }
-               };
+               tsetmode(csiescseq.priv, 1, csiescseq.arg, csiescseq.narg);
                break;
        case 'm': /* SGR -- Terminal attribute (color) */
                tsetattr(csiescseq.arg, csiescseq.narg);
@@ -1465,7 +1453,12 @@ void
 strhandle(void) {
        char *p;
 
-       p = strescseq.buf; 
+       /*
+        * TODO: make this being useful in case of color palette change.
+        */
+       strparse();
+
+       p = strescseq.buf;
 
        switch(strescseq.type) {
        case ']': /* OSC -- Operating System Command */
@@ -1552,6 +1545,9 @@ tputtab(bool forward) {
 void
 tputc(char *c) {
        char ascii = *c;
+
+       if (fileio)
+               putc(ascii, fileio);
        if(term.esc & ESC_START) {
                if(term.esc & ESC_CSI) {
                        csiescseq.buf[csiescseq.len++] = ascii;
@@ -1789,7 +1785,7 @@ xloadcols(void) {
                } else
                        dc.col[i] = color.pixel;
        }
-       
+
        /* load colors [16-255] ; same colors as xterm */
        for(i = 16, r = 0; r < 6; r++)
                for(g = 0; g < 6; g++)
@@ -1827,16 +1823,25 @@ 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);
+       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;
+       }
+
+       XSetWMProperties(xw.dpy, xw.win, NULL, NULL, NULL, 0, sizeh, &wm, &class);
+       XFree(sizeh);
 }
 
 XFontSet
@@ -1888,11 +1893,28 @@ xinit(void) {
        XSetWindowAttributes attrs;
        Cursor cursor;
        Window parent;
+       int sw, sh;
 
        if(!(xw.dpy = XOpenDisplay(NULL)))
                die("Can't open display\n");
        xw.scr = XDefaultScreen(xw.dpy);
-       
+
+       /* adjust fixed window geometry */
+       if(xw.isfixed) {
+               sw = DisplayWidth(xw.dpy, xw.scr);
+               sh = DisplayWidth(xw.dpy, xw.scr);
+               if(xw.fx < 0)
+                       xw.fx = sw + xw.fx - xw.fw;
+               if(xw.fy < 0)
+                       xw.fy = sh + xw.fy - xw.fh;
+       } else {
+               /* window - default size */
+               xw.h = 2*BORDER + term.row * xw.ch;
+               xw.w = 2*BORDER + term.col * xw.cw;
+               xw.fw = xw.w;
+               xw.fh = xw.h;
+       }
+
        /* font */
        initfonts(FONT, BOLDFONT);
 
@@ -1904,10 +1926,6 @@ 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;
-
        attrs.background_pixel = dc.col[DefaultBG];
        attrs.border_pixel = dc.col[DefaultBG];
        attrs.bit_gravity = NorthWestGravity;
@@ -1918,8 +1936,8 @@ xinit(void) {
        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.w, xw.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput,
+       xw.win = XCreateWindow(xw.dpy, parent, xw.fx, xw.fy,
+                       xw.fw, xw.fh, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput,
                        XDefaultVisual(xw.dpy, xw.scr),
                        CWBackPixel | CWBorderPixel | CWBitGravity | CWEventMask
                        | CWColormap,
@@ -1934,7 +1952,7 @@ xinit(void) {
                                           XNFocusWindow, xw.win, NULL);
        /* gc */
        dc.gc = XCreateGC(xw.dpy, xw.win, 0, NULL);
-       
+
        /* white cursor, black outline */
        cursor = XCreateFontCursor(xw.dpy, XC_xterm);
        XDefineCursor(xw.dpy, xw.win, cursor);
@@ -1956,7 +1974,7 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
        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)
@@ -1987,7 +2005,7 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
        }
 
        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);
 }
@@ -2006,10 +2024,10 @@ xdrawcursor(void) {
        static int oldy = 0;
        int sl;
        Glyph g = {{' '}, ATTR_NULL, DefaultBG, DefaultCS, 0};
-       
+
        LIMIT(oldx, 0, term.col-1);
        LIMIT(oldy, 0, term.row-1);
-       
+
        if(term.line[term.c.y][term.c.x].state & GLYPH_SET)
                memcpy(g.c, term.line[term.c.y][term.c.x].c, UTF_SIZ);
 
@@ -2039,6 +2057,14 @@ xdrawcursor(void) {
 }
 
 void
+redraw(void) {
+       struct timespec tv = {0, REDRAW_TIMEOUT * 1000};
+       tfulldirt();
+       draw();
+       nanosleep(&tv, NULL);
+}
+
+void
 draw() {
        drawregion(0, 0, term.col, term.row);
        xcopy();
@@ -2156,7 +2182,7 @@ kpress(XEvent *ev) {
        meta = e->state & Mod1Mask;
        shift = e->state & ShiftMask;
        len = XmbLookupString(xw.xic, e, buf, sizeof(buf), &ksym, &status);
-       
+
        /* 1. custom keys from config.h */
        if((customkey = kmap(ksym, e->state)))
                ttywrite(customkey, strlen(customkey));
@@ -2210,10 +2236,10 @@ cmessage(XEvent *e) {
 void
 resize(XEvent *e) {
        int col, row;
-       
+
        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;
@@ -2240,7 +2266,7 @@ run(void) {
        int xfd = XConnectionNumber(xw.dpy);
        struct timeval timeout = {0};
        bool stuff_to_print = 0;
-       
+
        for(;;) {
                FD_ZERO(&rfd);
                FD_SET(cmdfd, &rfd);
@@ -2274,8 +2300,11 @@ run(void) {
 
 int
 main(int argc, char *argv[]) {
-       int i;
-       
+       int i, bitm, xr, yr;
+       unsigned int wr, hr;
+
+       xw.fw = xw.fh = xw.fx = xw.fy = 0;
+
        for(i = 1; i < argc; i++) {
                switch(argv[i][0] != '-' || argv[i][2] ? -1 : argv[i][1]) {
                case 't':
@@ -2287,10 +2316,34 @@ 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);
@@ -2306,3 +2359,4 @@ main(int argc, char *argv[]) {
        run();
        return 0;
 }
+