diff options
Diffstat (limited to 'st.c')
| -rw-r--r-- | st.c | 39 |
1 files changed, 35 insertions, 4 deletions
@@ -46,6 +46,7 @@ #define TLINE(y) ((y) < term.scr ? term.hist[((y) + term.histi - \ term.scr + HISTSIZE + 1) % HISTSIZE] : \ term.line[(y) - term.scr]) +#define TLINE_HIST(y) ((y) <= HISTSIZE-term.row+2 ? term.hist[(y)] : term.line[(y-HISTSIZE+term.row-3)]) enum term_mode { MODE_WRAP = 1 << 0, @@ -426,6 +427,34 @@ tlinelen(int y) return i; } +int +tlinehistlen(int y) +{ + int i = term.col; + + if (TLINE_HIST(y)[i - 1].mode & ATTR_WRAP) + return i; + + while (i > 0 && TLINE_HIST(y)[i - 1].u == ' ') + --i; + + return i; +} + +int +tlinehistlen(int y) +{ + int i = term.col; + + if (TLINE_HIST(y)[i - 1].mode & ATTR_WRAP) + return i; + + while (i > 0 && TLINE_HIST(y)[i - 1].u == ' ') + --i; + + return i; +} + void selstart(int col, int row, int snap) { @@ -2091,16 +2120,18 @@ externalpipe(const Arg *arg) /* ignore sigpipe for now, in case child exists early */ oldsigpipe = signal(SIGPIPE, SIG_IGN); newline = 0; - for (n = 0; n < term.row; n++) { - bp = term.line[n]; - lastpos = MIN(tlinelen(n) + 1, term.col) - 1; + for (n = 0; n <= HISTSIZE + 2; n++) { + bp = TLINE_HIST(n); + lastpos = MIN(tlinehistlen(n) + 1, term.col) - 1; if (lastpos < 0) break; + if (lastpos == 0) + continue; end = &bp[lastpos + 1]; for (; bp < end; ++bp) if (xwrite(to[1], buf, utf8encode(bp->u, buf)) < 0) break; - if ((newline = term.line[n][lastpos].mode & ATTR_WRAP)) + if ((newline = TLINE_HIST(n)[lastpos].mode & ATTR_WRAP)) continue; if (xwrite(to[1], "\n", 1) < 0) break; |