X-Git-Url: https://jasonwoof.com/gitweb/?a=blobdiff_plain;f=st.c;h=b013bca0464a1f850ce8a014a6876415990d70b7;hb=ba1e9daeef0d7e6e52a9889d8f7eb61d74480cf0;hp=655d5a330555608bbdff962e12d506e944d1fd94;hpb=462a966ee2c0f49f432bedaf8e6ebdff995262a9;p=st.git diff --git a/st.c b/st.c index 655d5a3..b013bca 100644 --- a/st.c +++ b/st.c @@ -77,6 +77,7 @@ enum glyph_attribute { ATTR_BOLD = 4, ATTR_GFX = 8, ATTR_ITALIC = 16, + ATTR_BLINK = 32, }; enum cursor_movement { @@ -239,7 +240,7 @@ typedef struct { short lbearing; short rbearing; XFontSet set; - } font, bfont, ifont; + } font, bfont, ifont, ibfont; } DC; static void die(const char*, ...); @@ -291,10 +292,11 @@ 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); +static void xresettitle(void); static void xseturgency(int); static void xsetsel(char*); static void xresize(int, int); @@ -311,12 +313,13 @@ 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 *); @@ -324,6 +327,9 @@ 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, @@ -336,6 +342,7 @@ static void (*handler[LASTEvent])(XEvent *) = { [MotionNotify] = bmotion, [ButtonPress] = bpress, [ButtonRelease] = brelease, + [SelectionClear] = selclear, [SelectionNotify] = selnotify, [SelectionRequest] = selrequest, }; @@ -349,13 +356,28 @@ static STREscape strescseq; static int cmdfd; static pid_t pid; static Selection sel; -static FILE *fileio; +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"); + 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; @@ -562,7 +584,7 @@ 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++) { @@ -612,6 +634,14 @@ 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; @@ -744,6 +774,13 @@ execsh(void) { 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}; @@ -790,9 +827,15 @@ 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, "-")) { + 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)); + } + } } } } @@ -901,14 +944,14 @@ 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)); @@ -1116,7 +1159,8 @@ 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; @@ -1129,9 +1173,13 @@ tsetattr(int *attr, int l) { 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; @@ -1141,6 +1189,9 @@ tsetattr(int *attr, int l) { 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; @@ -1180,7 +1231,7 @@ 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; @@ -1492,6 +1543,9 @@ 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 */ @@ -1554,8 +1608,8 @@ void tputc(char *c) { char ascii = *c; - if(fileio) - putc(ascii, fileio); + if(iofd != -1) + write(iofd, c, 1); if(term.esc & ESC_START) { if(term.esc & ESC_CSI) { @@ -1605,6 +1659,7 @@ 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; @@ -1637,6 +1692,7 @@ tputc(char *c) { case 'c': /* RIS -- Reset to inital state */ treset(); term.esc = 0; + xresettitle(); break; case '=': /* DECPAM -- Application keypad */ term.mode |= MODE_APPKEYPAD; @@ -1667,6 +1723,8 @@ tputc(char *c) { if(sel.bx != -1 && BETWEEN(term.c.y, sel.by, sel.ey)) sel.bx = -1; switch(ascii) { + case '\0': /* padding character, do nothing */ + break; case '\t': tputtab(1); break; @@ -1731,16 +1789,16 @@ 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; @@ -1887,13 +1945,15 @@ xgetfontinfo(XFontSet set, int *ascent, int *descent, short *lbearing, short *rb } void -initfonts(char *fontstr, char *bfontstr, char *ifontstr) { +initfonts(char *fontstr, char *bfontstr, char *ifontstr, char *ibfontstr) { if((dc.font.set = xinitfont(fontstr)) == NULL) die("Can't load font %s\n", fontstr); if((dc.bfont.set = xinitfont(bfontstr)) == NULL) die("Can't load bfont %s\n", bfontstr); if((dc.ifont.set = xinitfont(ifontstr)) == NULL) die("Can't load ifont %s\n", ifontstr); + if((dc.ibfont.set = xinitfont(ibfontstr)) == NULL) + die("Can't load ibfont %s\n", ibfontstr); xgetfontinfo(dc.font.set, &dc.font.ascent, &dc.font.descent, &dc.font.lbearing, &dc.font.rbearing); @@ -1901,6 +1961,8 @@ initfonts(char *fontstr, char *bfontstr, char *ifontstr) { &dc.bfont.lbearing, &dc.bfont.rbearing); xgetfontinfo(dc.ifont.set, &dc.ifont.ascent, &dc.ifont.descent, &dc.ifont.lbearing, &dc.ifont.rbearing); + xgetfontinfo(dc.ibfont.set, &dc.ibfont.ascent, &dc.ibfont.descent, + &dc.ibfont.lbearing, &dc.ibfont.rbearing); } void @@ -1908,12 +1970,23 @@ xinit(void) { XSetWindowAttributes attrs; Cursor cursor; Window parent; - int sw, sh; + int sw, sh, major, minor; if(!(xw.dpy = XOpenDisplay(NULL))) die("Can't open display\n"); xw.scr = XDefaultScreen(xw.dpy); + /* font */ + initfonts(FONT, BOLDFONT, ITALICFONT, ITALICBOLDFONT); + + /* XXX: Assuming same size for bold font */ + xw.cw = dc.font.rbearing - dc.font.lbearing; + xw.ch = dc.font.ascent + dc.font.descent; + + /* colors */ + xw.cmap = XDefaultColormap(xw.dpy, xw.scr); + xloadcols(); + /* adjust fixed window geometry */ if(xw.isfixed) { sw = DisplayWidth(xw.dpy, xw.scr); @@ -1933,24 +2006,12 @@ xinit(void) { xw.fy = 0; } - /* 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(); - 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); @@ -1960,9 +2021,10 @@ xinit(void) { CWBackPixel | CWBorderPixel | CWBitGravity | CWEventMask | CWColormap, &attrs); + if(!XdbeQueryExtension(xw.dpy, &major, &minor)) + die("Xdbe extension is not present\n"); xw.buf = XdbeAllocateBackBufferName(xw.dpy, xw.win, XdbeCopied); - /* input methods */ xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL); xw.xic = XCreateIC(xw.xim, XNInputStyle, XIMPreeditNothing @@ -1980,7 +2042,7 @@ 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); @@ -2011,6 +2073,8 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) { if(base.mode & ATTR_ITALIC) fontset = dc.ifont.set; + if(base.mode & (ATTR_ITALIC|ATTR_ITALIC)) + fontset = dc.ibfont.set; XSetBackground(xw.dpy, dc.gc, dc.col[bg]); XSetForeground(xw.dpy, dc.gc, dc.col[fg]); @@ -2036,7 +2100,6 @@ void xcopy() { XdbeSwapInfo swpinfo[1] = {{xw.win, XdbeCopied}}; XdbeSwapBuffers(xw.dpy, swpinfo, 1); - } void @@ -2059,7 +2122,7 @@ xdrawcursor(void) { } else xclear(oldx, oldy, oldx, oldy); - xcopy(oldx, oldy, 1, 1); + xcopy(); /* draw the new one */ if(!(term.c.state & CURSOR_HIDE)) { @@ -2074,7 +2137,12 @@ xdrawcursor(void) { oldx = term.c.x, oldy = term.c.y; } - xcopy(term.c.x, term.c.y, 1, 1); + xcopy(); +} + +void +xresettitle(void) { + XStoreName(xw.dpy, xw.win, opt_title ? opt_title : "st"); } void