X-Git-Url: https://jasonwoof.com/gitweb/?a=blobdiff_plain;ds=sidebyside;f=st.c;h=8741145a5a6d42cb63799c8c661c91b2ab2e989d;hb=b9d5fec4f277b688b3bb4741134abf152e801e90;hp=b143582f824809062f0ac07281ac0f75b6bb17c8;hpb=98b6f84bfcb63cff54f8aee87191432fa769346c;p=st.git diff --git a/st.c b/st.c index b143582..8741145 100644 --- a/st.c +++ b/st.c @@ -76,6 +76,8 @@ enum glyph_attribute { ATTR_UNDERLINE = 2, ATTR_BOLD = 4, ATTR_GFX = 8, + ATTR_ITALIC = 16, + ATTR_BLINK = 32, }; enum cursor_movement { @@ -238,7 +240,7 @@ typedef struct { short lbearing; short rbearing; XFontSet set; - } font, bfont; + } font, bfont, ifont; } DC; static void die(const char*, ...); @@ -290,7 +292,7 @@ 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 xcopy(void); static void xdrawcursor(void); static void xinit(void); static void xloadcols(void); @@ -310,12 +312,13 @@ 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 *); @@ -323,6 +326,9 @@ 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 (*handler[LASTEvent])(XEvent *) = { [KeyPress] = kpress, [ClientMessage] = cmessage, @@ -335,6 +341,7 @@ static void (*handler[LASTEvent])(XEvent *) = { [MotionNotify] = bmotion, [ButtonPress] = bpress, [ButtonRelease] = brelease, + [SelectionClear] = selclear, [SelectionNotify] = selnotify, [SelectionRequest] = selrequest, }; @@ -355,6 +362,21 @@ 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"); + return p; +} + +void * +xrealloc(void *p, size_t len) { + if((p = realloc(p, len)) == NULL) + die("Out of memory"); + return p; +} + int utf8decode(char *s, long *u) { uchar c; @@ -561,7 +583,7 @@ 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++) { @@ -611,6 +633,14 @@ 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); + draw(); +} + void selrequest(XEvent *e) { XSelectionRequestEvent *xsre; @@ -739,6 +769,10 @@ execsh(void) { char **args; char *envshell = getenv("SHELL"); + unsetenv("COLUMNS"); + unsetenv("LINES"); + unsetenv("TERMCAP"); + DEFAULT(envshell, SHELL); putenv("TERM="TNAME); args = opt_cmd ? opt_cmd : (char*[]){envshell, "-i", NULL}; @@ -785,9 +819,15 @@ ttynew(void) { close(s); cmdfd = m; signal(SIGCHLD, sigchld); - if (opt_io && !(fileio = fopen(opt_io, "w"))) { - fprintf(stderr, "Error opening %s:%s\n", - opt_io, strerror(errno)); + if(opt_io) { + if(!strcmp(opt_io, "-")) { + fileio = stdout; + } else { + if(!(fileio = fopen(opt_io, "w"))) { + fprintf(stderr, "Error opening %s:%s\n", + opt_io, strerror(errno)); + } + } } } } @@ -841,7 +881,8 @@ ttyresize(int x, int y) { w.ws_row = term.row; w.ws_col = term.col; - w.ws_xpixel = w.ws_ypixel = 0; + w.ws_xpixel = xw.w; + w.ws_ypixel = xw.h; if(ioctl(cmdfd, TIOCSWINSZ, &w) < 0) fprintf(stderr, "Couldn't set window size: %s\n", SERRNO); } @@ -884,7 +925,7 @@ 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; @@ -895,14 +936,14 @@ 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)); @@ -1110,31 +1151,38 @@ 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) mode TODO: make it italic */ - term.c.attr.mode |= ATTR_REVERSE; + 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 22: term.c.attr.mode &= ~ATTR_BOLD; break; - case 23: /* leave standout (highlight) mode TODO: make it italic */ - term.c.attr.mode &= ~ATTR_REVERSE; + 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; @@ -1174,7 +1222,7 @@ 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; @@ -1203,7 +1251,7 @@ 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: @@ -1212,7 +1260,7 @@ tsetmode(bool priv, bool set, int *args, int narg) { case 5: /* DECSCNM -- Reverve video */ mode = term.mode; MODBIT(term.mode,set, MODE_REVERSE); - if (mode != term.mode) + if(mode != term.mode) redraw(); break; case 7: @@ -1237,11 +1285,11 @@ 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: @@ -1322,19 +1370,19 @@ csihandle(void) { } break; case 'G': /* CHA -- Move to */ - 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 */ - 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 tab stops */ DEFAULT(csiescseq.arg[0], 1); - while (csiescseq.arg[0]--) + while(csiescseq.arg[0]--) tputtab(1); break; case 'J': /* ED -- Clear screen */ @@ -1399,7 +1447,7 @@ csihandle(void) { break; case 'Z': /* CBT -- Cursor Backward Tabulation tab stops */ DEFAULT(csiescseq.arg[0], 1); - while (csiescseq.arg[0]--) + while(csiescseq.arg[0]--) tputtab(0); break; case 'd': /* VPA -- Move to */ @@ -1486,6 +1534,9 @@ 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 */ @@ -1530,15 +1581,15 @@ void tputtab(bool forward) { unsigned 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); @@ -1548,8 +1599,11 @@ void tputc(char *c) { char ascii = *c; - if (fileio) + if(fileio) { putc(ascii, fileio); + fflush(fileio); + } + if(term.esc & ESC_START) { if(term.esc & ESC_CSI) { csiescseq.buf[csiescseq.len++] = ascii; @@ -1568,7 +1622,7 @@ 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(); } @@ -1598,6 +1652,7 @@ 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; @@ -1724,16 +1779,16 @@ 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; @@ -1746,13 +1801,13 @@ tresize(int col, int row) { term.line[i] = calloc(col, sizeof(Glyph)); term.alt [i] = calloc(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 */ @@ -1805,7 +1860,7 @@ xloadcols(void) { for(r = 0; r < 24; r++, i++) { color.red = color.green = color.blue = 0x0808 + 0x0a0a * r; - if (!XAllocColor(xw.dpy, xw.cmap, &color)) { + if(!XAllocColor(xw.dpy, xw.cmap, &color)) { dc.col[i] = white; fprintf(stderr, "Could not allocate color %d\n", i); } else @@ -1880,14 +1935,20 @@ xgetfontinfo(XFontSet set, int *ascent, int *descent, short *lbearing, short *rb } 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); +initfonts(char *fontstr, char *bfontstr, char *ifontstr) { + if((dc.font.set = xinitfont(fontstr)) == NULL) + die("Can't load font %s\n", fontstr); + if((dc.bfont.set = xinitfont(bfontstr)) == NULL) + die("Can't load bfont %s\n", bfontstr); + if((dc.ifont.set = xinitfont(ifontstr)) == NULL) + die("Can't load ifont %s\n", ifontstr); + xgetfontinfo(dc.font.set, &dc.font.ascent, &dc.font.descent, &dc.font.lbearing, &dc.font.rbearing); xgetfontinfo(dc.bfont.set, &dc.bfont.ascent, &dc.bfont.descent, &dc.bfont.lbearing, &dc.bfont.rbearing); + xgetfontinfo(dc.ifont.set, &dc.ifont.ascent, &dc.ifont.descent, + &dc.ifont.lbearing, &dc.ifont.rbearing); } void @@ -1901,6 +1962,17 @@ xinit(void) { die("Can't open display\n"); xw.scr = XDefaultScreen(xw.dpy); + /* font */ + initfonts(FONT, BOLDFONT, ITALICFONT); + + /* XXX: Assuming same size for bold font */ + xw.cw = dc.font.rbearing - dc.font.lbearing; + xw.ch = dc.font.ascent + dc.font.descent; + + /* colors */ + xw.cmap = XDefaultColormap(xw.dpy, xw.scr); + xloadcols(); + /* adjust fixed window geometry */ if(xw.isfixed) { sw = DisplayWidth(xw.dpy, xw.scr); @@ -1909,37 +1981,28 @@ xinit(void) { 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.fw = xw.w; - xw.fh = xw.h; + xw.fx = 0; + xw.fy = 0; } - /* font */ - initfonts(FONT, BOLDFONT); - - /* XXX: Assuming same size for bold font */ - xw.cw = dc.font.rbearing - dc.font.lbearing; - xw.ch = dc.font.ascent + dc.font.descent; - - /* colors */ - xw.cmap = XDefaultColormap(xw.dpy, xw.scr); - xloadcols(); - attrs.background_pixel = dc.col[DefaultBG]; attrs.border_pixel = dc.col[DefaultBG]; 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, xw.fx, xw.fy, - xw.fw, xw.fh, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput, + xw.w, xw.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput, XDefaultVisual(xw.dpy, xw.scr), CWBackPixel | CWBorderPixel | CWBitGravity | CWEventMask | CWColormap, @@ -1993,6 +2056,9 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) { fontset = dc.bfont.set; } + if(base.mode & ATTR_ITALIC) + fontset = dc.ifont.set; + XSetBackground(xw.dpy, dc.gc, dc.col[bg]); XSetForeground(xw.dpy, dc.gc, dc.col[fg]); @@ -2017,7 +2083,6 @@ void xcopy() { XdbeSwapInfo swpinfo[1] = {{xw.win, XdbeCopied}}; XdbeSwapBuffers(xw.dpy, swpinfo, 1); - } void @@ -2040,7 +2105,7 @@ xdrawcursor(void) { } else xclear(oldx, oldy, oldx, oldy); - xcopy(oldx, oldy, 1, 1); + xcopy(); /* draw the new one */ if(!(term.c.state & CURSOR_HIDE)) { @@ -2055,7 +2120,7 @@ xdrawcursor(void) { oldx = term.c.x, oldy = term.c.y; } - xcopy(term.c.x, term.c.y, 1, 1); + xcopy(); } void @@ -2227,11 +2292,11 @@ 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(); @@ -2253,8 +2318,8 @@ resize(XEvent *e) { return; if(tresize(col, row)) draw(); - ttyresize(col, row); xresize(col, row); + ttyresize(col, row); } bool @@ -2309,6 +2374,7 @@ main(int argc, char *argv[]) { unsigned int 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]) { @@ -2322,7 +2388,7 @@ main(int argc, char *argv[]) { if(++i < argc) opt_embed = argv[i]; break; case 'f': - if (++i < argc) opt_io = argv[i]; + if(++i < argc) opt_io = argv[i]; break; case 'e': /* eat every remaining arguments */