X-Git-Url: https://git.danieliu.xyz/?a=blobdiff_plain;f=st.c;h=3321c3116666fecb49bc95859b83beb067cb772a;hb=eae31a532e1c3249abe3fe0dbce286cac263832f;hp=c751aa178b3893104d20252c9a3bd677c2e1a4cd;hpb=f3d438b1015a031bc543bb2d65c81cc2329787d4;p=st.git diff --git a/st.c b/st.c index c751aa1..3321c31 100644 --- a/st.c +++ b/st.c @@ -27,6 +27,7 @@ #include #include #include +#include #include "arg.h" @@ -96,6 +97,8 @@ enum glyph_attribute { ATTR_ITALIC = 16, ATTR_BLINK = 32, ATTR_WRAP = 64, + ATTR_WIDE = 128, + ATTR_WDUMMY = 256, }; enum cursor_movement { @@ -165,7 +168,7 @@ typedef unsigned short ushort; typedef struct { char c[UTF_SIZ]; /* character code */ - uchar mode; /* attribute flags */ + ushort mode; /* attribute flags */ ulong fg; /* foreground */ ulong bg; /* background */ } Glyph; @@ -420,7 +423,6 @@ static int isfullutf8(char *, int); static ssize_t xwrite(int, char *, size_t); static void *xmalloc(size_t); static void *xrealloc(void *, size_t); -static void *xcalloc(size_t, size_t); static void (*handler[LASTEvent])(XEvent *) = { [KeyPress] = kpress, @@ -509,16 +511,6 @@ xrealloc(void *p, size_t len) { 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; @@ -730,8 +722,13 @@ selsnap(int mode, int *x, int *y, int direction) { } } + if(term.line[*y][*x+direction].mode & ATTR_WDUMMY) { + *x += direction; + continue; + } + if(strchr(worddelimiters, - term.line[*y][*x + direction].c[0])) { + term.line[*y][*x+direction].c[0])) { break; } @@ -826,18 +823,23 @@ mousereport(XEvent *e) { button = oldbutton + 32; ox = x; oy = y; - } else if(!IS_SET(MODE_MOUSESGR) - && (e->xbutton.type == ButtonRelease - || button == AnyButton)) { - button = 3; } else { - button -= Button1; - if(button >= 3) - button += 64 - 3; + if(!IS_SET(MODE_MOUSESGR) && e->xbutton.type == ButtonRelease) { + button = 3; + } else { + button -= Button1; + if(button >= 3) + button += 64 - 3; + } if(e->xbutton.type == ButtonPress) { oldbutton = button; ox = x; oy = y; + } else if(e->xbutton.type == ButtonRelease) { + oldbutton = 3; + /* MODE_MOUSEX10: no button release reporting */ + if(IS_SET(MODE_MOUSEX10)) + return; } } @@ -854,8 +856,7 @@ mousereport(XEvent *e) { e->xbutton.type == ButtonRelease ? 'm' : 'M'); } else if(x < 223 && y < 223) { len = snprintf(buf, sizeof(buf), "\033[M%c%c%c", - IS_SET(MODE_MOUSEX10)? button-1 : 32+button, - 32+x+1, 32+y+1); + 32+button, 32+x+1, 32+y+1); } else { return; } @@ -943,7 +944,7 @@ selcopy(void) { /* nothing */; for(x = 0; gp <= last; x++, ++gp) { - if(!selected(x, y)) + if(!selected(x, y) || (gp->mode & ATTR_WDUMMY)) continue; size = utf8size(gp->c); @@ -1370,7 +1371,7 @@ treset(void) { void tnew(int col, int row) { - memset(&term, 0, sizeof(Term)); + term = (Term){ .c = { .attr = { .fg = defaultfg, .bg = defaultbg } } }; tresize(col, row); term.numlock = 1; @@ -1544,6 +1545,16 @@ tsetchar(char *c, Glyph *attr, int x, int y) { } } + if(term.line[y][x].mode & ATTR_WIDE) { + if(x+1 < term.col) { + term.line[y][x+1].c[0] = ' '; + term.line[y][x+1].mode &= ~ATTR_WDUMMY; + } + } else if(term.line[y][x].mode & ATTR_WDUMMY) { + term.line[y][x-1].c[0] = ' '; + term.line[y][x-1].mode &= ~ATTR_WIDE; + } + term.dirty[y] = 1; term.line[y][x] = *attr; memcpy(term.line[y][x].c, c, UTF_SIZ); @@ -2233,6 +2244,15 @@ void tputc(char *c, int len) { uchar ascii = *c; bool control = ascii < '\x20' || ascii == 0177; + long u8char; + int width; + + if(len == 1) { + width = 1; + } else { + utf8decode(c, &u8char); + width = wcwidth(u8char); + } if(iofd != -1) { if(xwrite(iofd, c, len) < 0) { @@ -2304,6 +2324,8 @@ tputc(char *c, int len) { case '\a': /* BEL */ if(!(xw.state & WIN_FOCUSED)) xseturgency(1); + if (bellvolume) + XBell(xw.dpy, bellvolume); return; case '\033': /* ESC */ csireset(); @@ -2480,9 +2502,20 @@ tputc(char *c, int len) { (term.col - term.c.x - 1) * sizeof(Glyph)); } + if(term.c.x+width > term.col) + tnewline(1); + tsetchar(c, &term.c.attr, term.c.x, term.c.y); - if(term.c.x+1 < term.col) { - tmoveto(term.c.x+1, term.c.y); + + if(width == 2) { + term.line[term.c.y][term.c.x].mode |= ATTR_WIDE; + if(term.c.x+1 < term.col) { + term.line[term.c.y][term.c.x+1].c[0] = '\0'; + term.line[term.c.y][term.c.x+1].mode = ATTR_WDUMMY; + } + } + if(term.c.x+width < term.col) { + tmoveto(term.c.x+width, term.c.y); } else { term.c.state |= CURSOR_WRAPNEXT; } @@ -2536,8 +2569,8 @@ tresize(int col, int row) { /* allocate any new rows */ for(/* i == minrow */; i < row; i++) { term.dirty[i] = 1; - term.line[i] = xcalloc(col, sizeof(Glyph)); - term.alt [i] = xcalloc(col, sizeof(Glyph)); + term.line[i] = xmalloc(col * sizeof(Glyph)); + term.alt[i] = xmalloc(col * sizeof(Glyph)); } if(col > term.col) { bp = term.tabs + term.col; @@ -3184,7 +3217,7 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) { xp, winy + frc[i].font->ascent, (FcChar8 *)u8c, u8cblen); - xp += xw.cw; + xp += xw.cw * wcwidth(u8char); } /* @@ -3204,18 +3237,27 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) { void xdrawcursor(void) { static int oldx = 0, oldy = 0; - int sl; + int sl, width, curx; Glyph g = {{' '}, ATTR_NULL, defaultbg, defaultcs}; LIMIT(oldx, 0, term.col-1); LIMIT(oldy, 0, term.row-1); + curx = term.c.x; + + /* adjust position if in dummy */ + if(term.line[oldy][oldx].mode & ATTR_WDUMMY) + oldx--; + if(term.line[term.c.y][curx].mode & ATTR_WDUMMY) + curx--; + memcpy(g.c, term.line[term.c.y][term.c.x].c, UTF_SIZ); /* remove the old cursor */ sl = utf8size(term.line[oldy][oldx].c); + width = (term.line[oldy][oldx].mode & ATTR_WIDE)? 2 : 1; xdraws(term.line[oldy][oldx].c, term.line[oldy][oldx], oldx, - oldy, 1, sl); + oldy, width, sl); /* draw the new one */ if(!(IS_SET(MODE_HIDE))) { @@ -3227,26 +3269,28 @@ xdrawcursor(void) { } sl = utf8size(g.c); - xdraws(g.c, g, term.c.x, term.c.y, 1, sl); + width = (term.line[term.c.y][curx].mode & ATTR_WIDE)\ + ? 2 : 1; + xdraws(g.c, g, term.c.x, term.c.y, width, sl); } else { XftDrawRect(xw.draw, &dc.col[defaultcs], - borderpx + term.c.x * xw.cw, + borderpx + curx * xw.cw, borderpx + term.c.y * xw.ch, xw.cw - 1, 1); XftDrawRect(xw.draw, &dc.col[defaultcs], - borderpx + term.c.x * xw.cw, + borderpx + curx * xw.cw, borderpx + term.c.y * xw.ch, 1, xw.ch - 1); XftDrawRect(xw.draw, &dc.col[defaultcs], - borderpx + (term.c.x + 1) * xw.cw - 1, + borderpx + (curx + 1) * xw.cw - 1, borderpx + term.c.y * xw.ch, 1, xw.ch - 1); XftDrawRect(xw.draw, &dc.col[defaultcs], - borderpx + term.c.x * xw.cw, + borderpx + curx * xw.cw, borderpx + (term.c.y + 1) * xw.ch - 1, xw.cw, 1); } - oldx = term.c.x, oldy = term.c.y; + oldx = curx, oldy = term.c.y; } } @@ -3295,6 +3339,7 @@ drawregion(int x1, int y1, int x2, int y2) { Glyph base, new; char buf[DRAW_BUF_SIZ]; bool ena_sel = sel.ob.x != -1; + long u8char; if(sel.alt ^ IS_SET(MODE_ALTSCREEN)) ena_sel = 0; @@ -3312,6 +3357,8 @@ 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(new.mode == ATTR_WDUMMY) + continue; if(ena_sel && selected(x, y)) new.mode ^= ATTR_REVERSE; if(ib > 0 && (ATTRCMP(base, new) @@ -3324,10 +3371,10 @@ drawregion(int x1, int y1, int x2, int y2) { base = new; } - sl = utf8size(new.c); + sl = utf8decode(new.c, &u8char); memcpy(buf+ib, new.c, sl); ib += sl; - ++ic; + ic += (new.mode & ATTR_WIDE)? 2 : 1; } if(ib > 0) xdraws(buf, base, ox, y, ic, ib);