From: Colona Date: Thu, 5 Jun 2014 04:32:01 +0000 (+0200) Subject: Refactor selsnap SNAP_WORD. X-Git-Url: https://git.danieliu.xyz/?a=commitdiff_plain;h=5159d55c631cd1179bd2f872859d4540668745b9;p=st.git Refactor selsnap SNAP_WORD. Refactor the SNAP_WORD part in selsnap, and fix a bug that caused the word delimiters to be ignored if it was at the very beginning or end of a wrapped line. Signed-off-by: Roberto E. Vargas Caballero --- diff --git a/st.c b/st.c index 8b65450..13226d8 100644 --- a/st.c +++ b/st.c @@ -703,6 +703,9 @@ selected(int x, int y) { void selsnap(int mode, int *x, int *y, int direction) { + int newx, newy, xt, yt; + Glyph *gp; + switch(mode) { case SNAP_WORD: /* @@ -710,36 +713,31 @@ selsnap(int mode, int *x, int *y, int direction) { * beginning of a line. */ for(;;) { - if(direction < 0 && *x <= 0) { - if(*y > 0 && term.line[*y - 1][term.col-1].mode - & ATTR_WRAP) { - *y -= 1; - *x = term.col-1; - } else { + newx = *x + direction; + newy = *y; + if(!BETWEEN(newx, 0, term.col - 1)) { + newy += direction; + newx = (newx + term.col) % term.col; + if (!BETWEEN(newy, 0, term.row - 1)) break; - } - } - if(direction > 0 && *x >= term.col-1) { - if(*y < term.row-1 && term.line[*y][*x].mode - & ATTR_WRAP) { - *y += 1; - *x = 0; - } else { + + if(direction > 0) + yt = *y, xt = *x; + else + yt = newy, xt = newx; + if(!(term.line[yt][xt].mode & ATTR_WRAP)) break; - } } - if(term.line[*y][*x+direction].mode & ATTR_WDUMMY) { - *x += direction; - continue; - } + if (newx >= tlinelen(newy)) + break; - if(*x >= tlinelen(*y) || strchr(worddelimiters, - term.line[*y][*x+direction].c[0])) { + gp = &term.line[newy][newx]; + if (!(gp->mode & ATTR_WDUMMY) && strchr(worddelimiters, gp->c[0])) break; - } - *x += direction; + *x = newx; + *y = newy; } break; case SNAP_LINE: