X-Git-Url: https://jasonwoof.com/gitweb/?a=blobdiff_plain;f=st.c;h=8065ebee9f1b517d3b0bb3bbc1a705c917ce0141;hb=1e09726518b84091e80dfaf96632c122f6f446a6;hp=bca9dc73e15d2a7ed5776f19e7dfab7048b91975;hpb=872a7f18eaffd96eefb31e3dcb45fd86bc67029b;p=st.git diff --git a/st.c b/st.c index bca9dc7..8065ebe 100644 --- a/st.c +++ b/st.c @@ -36,6 +36,7 @@ char *argv0; #define Draw XftDraw * #define Colour XftColor #define Colourmap Colormap +#define Rectangle XRectangle #if defined(__linux) #include @@ -85,6 +86,7 @@ enum glyph_attribute { ATTR_GFX = 8, ATTR_ITALIC = 16, ATTR_BLINK = 32, + ATTR_WRAP = 64, }; enum cursor_movement { @@ -113,6 +115,9 @@ enum term_mode { MODE_ECHO = 1024, MODE_APPCURSOR = 2048, MODE_MOUSESGR = 4096, + MODE_8BIT = 8192, + MODE_BLINK = 16384, + MODE_FBLINK = 32768, }; enum escape_state { @@ -310,6 +315,7 @@ static void strhandle(void); static void strparse(void); static void strreset(void); +static int tattrset(int); static void tclearregion(int, int, int, int); static void tcursor(int); static void tdeletechar(int); @@ -331,6 +337,7 @@ static void tsetchar(char *, Glyph *, int, int); static void tsetscroll(int, int); static void tswapscreen(void); static void tsetdirt(int, int); +static void tsetdirtattr(int); static void tsetmode(bool, bool, int *, int); static void tfulldirt(void); static void techo(char *, int); @@ -668,17 +675,15 @@ void selsnap(int mode, int *x, int *y, int direction) { switch(mode) { case SNAP_WORD: - while(*x > 0 && *x < term.col-1 && term.line[*y][*x + direction].c[0] != ' ') { + while(*x > 0 && *x < term.col-1 + && term.line[*y][*x + direction].c[0] != ' ') { *x += direction; } break; - case SNAP_LINE: *x = (direction < 0) ? 0 : term.col - 1; break; - default: - /* do nothing */ break; } } @@ -771,6 +776,7 @@ bpress(XEvent *e) { mousereport(e); } else if(e->xbutton.button == Button1) { gettimeofday(&now, NULL); + /* Clear previous selection, logically and visually. */ if(sel.bx != -1) { sel.bx = -1; @@ -781,14 +787,12 @@ bpress(XEvent *e) { sel.type = SEL_REGULAR; sel.ex = sel.bx = x2col(e->xbutton.x); sel.ey = sel.by = y2row(e->xbutton.y); + /* - * Snap handling. - * If user clicks are fasst enough (e.g. below timeouts), - * we ignore if his hand slipped left or down and accidentally selected more; - * we are just snapping to whatever we're snapping. + * If the user clicks below predefined timeouts specific + * snapping behaviour is exposed. */ if(TIMEDIFF(now, sel.tclick2) <= tripleclicktimeout) { - /* Snap to line */ sel.snap = SNAP_LINE; } else if(TIMEDIFF(now, sel.tclick1) <= doubleclicktimeout) { sel.snap = SNAP_WORD; @@ -797,9 +801,17 @@ bpress(XEvent *e) { } selsnap(sel.snap, &sel.bx, &sel.by, -1); selsnap(sel.snap, &sel.ex, &sel.ey, 1); - sel.b.x = sel.bx, sel.b.y = sel.by, sel.e.x = sel.ex, sel.e.y = sel.ey; - /* Draw selection, unless it's regular and we don't want to make clicks visible */ - if (sel.snap != 0) { + sel.b.x = sel.bx; + sel.b.y = sel.by; + sel.e.x = sel.ex; + sel.e.y = sel.ey; + + /* + * Draw selection, unless it's regular and we don't want to + * make clicks visible + */ + if(sel.snap != 0) { + sel.mode++; tsetdirt(sel.b.y, sel.e.y); draw(); } @@ -834,9 +846,8 @@ selcopy(void) { /* nothing */; for(x = 0; gp <= last; x++, ++gp) { - if(!selected(x, y)) { + if(!selected(x, y)) continue; - } size = utf8size(gp->c); memcpy(ptr, gp->c, size); @@ -852,7 +863,7 @@ selcopy(void) { * st. * FIXME: Fix the computer world. */ - if(y < sel.e.y) + if(y < sel.e.y && !((gp-1)->mode & ATTR_WRAP)) *ptr++ = '\n'; } *ptr = 0; @@ -978,14 +989,14 @@ brelease(XEvent *e) { if(e->xbutton.button == Button2) { selpaste(NULL); } else if(e->xbutton.button == Button1) { - sel.mode = 0; - getbuttoninfo(e); - term.dirty[sel.ey] = 1; - if(sel.bx == sel.ex && sel.by == sel.ey) { + if(sel.mode < 2) { sel.bx = -1; } else { + getbuttoninfo(e); selcopy(); } + sel.mode = 0; + term.dirty[sel.ey] = 1; } } @@ -1001,6 +1012,7 @@ bmotion(XEvent *e) { if(!sel.mode) return; + sel.mode++; oldey = sel.ey; oldex = sel.ex; oldsby = sel.b.y; @@ -1167,6 +1179,20 @@ ttyresize(void) { fprintf(stderr, "Couldn't set window size: %s\n", SERRNO); } +int +tattrset(int attr) { + int i, j; + + for(i = 0; i < term.row-1; i++) { + for(j = 0; j < term.col-1; j++) { + if(term.line[i][j].mode & attr) + return 1; + } + } + + return 0; +} + void tsetdirt(int top, int bot) { int i; @@ -1179,6 +1205,20 @@ tsetdirt(int top, int bot) { } void +tsetdirtattr(int attr) { + int i, j; + + for(i = 0; i < term.row-1; i++) { + for(j = 0; j < term.col-1; j++) { + if(term.line[i][j].mode & attr) { + tsetdirt(i, i); + break; + } + } + } +} + +void tfulldirt(void) { tsetdirt(0, term.row-1); } @@ -1416,6 +1456,8 @@ tclearregion(int x1, int y1, int x2, int y2) { for(y = y1; y <= y2; y++) { term.dirty[y] = 1; for(x = x1; x <= x2; x++) { + if(selected(x, y)) + selclear(NULL); term.line[y][x] = term.c.attr; memcpy(term.line[y][x].c, " ", 2); } @@ -1643,6 +1685,9 @@ tsetmode(bool priv, bool set, int *args, int narg) { case 1006: MODBIT(term.mode, set, MODE_MOUSESGR); break; + case 1034: + MODBIT(term.mode, set, MODE_8BIT); + break; case 1049: /* = 1047 and 1048 */ case 47: case 1047: @@ -2266,8 +2311,10 @@ tputc(char *c, int len) { 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_WRAP) && (term.c.state & CURSOR_WRAPNEXT)) { + term.line[term.c.y][term.c.x].mode |= ATTR_WRAP; + tnewline(1); + } if(IS_SET(MODE_INSERT) && term.c.x+1 < term.col) { memmove(&term.line[term.c.y][term.c.x+1], @@ -2751,6 +2798,7 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) { FcCharSet *fccharset; Colour *fg, *bg, *temp, revfg, revbg; XRenderColor colfg, colbg; + Rectangle r; frcflags = FRC_NORMAL; @@ -2822,6 +2870,9 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) { bg = temp; } + if(base.mode & ATTR_BLINK && term.mode & MODE_BLINK) + fg = bg; + /* Intelligent cleaning up of the borders. */ if(x == 0) { xclear(0, (y == 0)? 0 : winy, borderpx, @@ -2839,6 +2890,13 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) { /* Clean up the region we want to draw to. */ XftDrawRect(xw.draw, bg, winx, winy, width, xw.ch); + /* Set the clip region because Xft is sometimes dirty. */ + r.x = 0; + r.y = 0; + r.height = xw.ch; + r.width = width; + XftDrawSetClipRectangles(xw.draw, winx, winy, &r, 1); + fcsets[0] = font->set; for(xp = winx; bytelen > 0;) { /* @@ -2872,6 +2930,7 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) { (FcChar8 *)u8fs, u8fblen); xp += font->width * u8fl; + } break; } @@ -2956,6 +3015,9 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) { XftDrawRect(xw.draw, fg, winx, winy + font->ascent + 1, width, 1); } + + /* Reset clip to none. */ + XftDrawSetClip(xw.draw, 0); } void @@ -3068,7 +3130,7 @@ drawregion(int x1, int y1, int x2, int y2) { ic = ib = ox = 0; for(x = x1; x < x2; x++) { new = term.line[y][x]; - if(ena_sel && *(new.c) && selected(x, y)) + if(ena_sel && selected(x, y)) new.mode ^= ATTR_REVERSE; if(ib > 0 && (ATTRCMP(base, new) || ib >= DRAW_BUF_SIZ-UTF_SIZ)) { @@ -3219,7 +3281,8 @@ kpress(XEvent *ev) { XKeyEvent *e = &ev->xkey; KeySym ksym; char xstr[31], buf[32], *customkey, *cp = buf; - int len; + int len, ret; + long c; Status status; Shortcut *bp; @@ -3240,13 +3303,23 @@ kpress(XEvent *ev) { if((customkey = kmap(ksym, e->state))) { len = strlen(customkey); memcpy(buf, customkey, len); - /* 2. hardcoded (overrides X lookup) */ + /* 3. hardcoded (overrides X lookup) */ } else { if(len == 0) return; - if(len == 1 && e->state & Mod1Mask) - *cp++ = '\033'; + if(len == 1 && e->state & Mod1Mask) { + if(IS_SET(MODE_8BIT)) { + if(*xstr < 0177) { + c = *xstr | B7; + ret = utf8encode(&c, cp); + cp += ret; + len = 0; + } + } else { + *cp++ = '\033'; + } + } memcpy(cp, xstr, len); len = cp - buf + len; @@ -3307,34 +3380,55 @@ void run(void) { XEvent ev; fd_set rfd; - int xfd = XConnectionNumber(xw.dpy), xev; - struct timeval drawtimeout, *tv = NULL, now, last; + int xfd = XConnectionNumber(xw.dpy), xev, blinkset = 0, dodraw = 0; + struct timeval drawtimeout, *tv = NULL, now, last, lastblink; + gettimeofday(&lastblink, NULL); gettimeofday(&last, NULL); for(xev = actionfps;;) { FD_ZERO(&rfd); FD_SET(cmdfd, &rfd); FD_SET(xfd, &rfd); - if(select(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, tv) < 0) { + + switch(select(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, tv) < 0) { + case -1: if(errno == EINTR) continue; die("select failed: %s\n", SERRNO); - } + default: + if(FD_ISSET(cmdfd, &rfd)) { + ttyread(); + if(blinktimeout) { + blinkset = tattrset(ATTR_BLINK); + if(!blinkset && term.mode & ATTR_BLINK) + term.mode &= ~(MODE_BLINK); + } + } + if(FD_ISSET(xfd, &rfd)) + xev = actionfps; + break; + } gettimeofday(&now, NULL); drawtimeout.tv_sec = 0; drawtimeout.tv_usec = (1000/xfps) * 1000; tv = &drawtimeout; - if(FD_ISSET(cmdfd, &rfd)) - ttyread(); - - if(FD_ISSET(xfd, &rfd)) - xev = actionfps; + dodraw = 0; + if(blinktimeout && TIMEDIFF(now, lastblink) > blinktimeout) { + tsetdirtattr(ATTR_BLINK); + term.mode ^= MODE_BLINK; + gettimeofday(&lastblink, NULL); + dodraw = 1; + } + if(TIMEDIFF(now, last) \ + > (xev? (1000/xfps) : (1000/actionfps))) { + dodraw = 1; + last = now; + } - if(TIMEDIFF(now, last) > \ - (xev ? (1000/xfps) : (1000/actionfps))) { + if(dodraw) { while(XPending(xw.dpy)) { XNextEvent(xw.dpy, &ev); if(XFilterEvent(&ev, None)) @@ -3345,12 +3439,13 @@ run(void) { draw(); XFlush(xw.dpy); - last = now; if(xev && !FD_ISSET(xfd, &rfd)) xev--; - if(!FD_ISSET(cmdfd, &rfd) && !FD_ISSET(xfd, &rfd)) + if(!FD_ISSET(cmdfd, &rfd) && !FD_ISSET(xfd, &rfd) \ + && !blinkset) { tv = NULL; + } } } }