diff options
Diffstat (limited to 'toys/other/hexedit.c')
| -rw-r--r-- | toys/other/hexedit.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/toys/other/hexedit.c b/toys/other/hexedit.c index 518755bb..9e9ca11e 100644 --- a/toys/other/hexedit.c +++ b/toys/other/hexedit.c @@ -75,18 +75,17 @@ static void draw_char(char broiled) static void draw_line(long long yy) { - int x; + int x, xx = 16; yy = (TT.base+yy)*16; + if (yy+xx>=TT.len) xx = TT.len-yy; if (yy<TT.len) { printf("\r%0*llX ", TT.numlen, yy); - for (x=0; x<16; x++) { - if (yy+x<TT.len) printf(" %02X", TT.data[yy+x]); - else printf(" "); - } - printf(" "); - for (x=0; x<16; x++) draw_char(TT.data[yy+x]); + for (x=0; x<xx; x++) printf(" %02X", TT.data[yy+x]); + printf("%*s", 2+3*(16-xx), ""); + for (x=0; x<xx; x++) draw_char(TT.data[yy+x]); + printf("%*s", 16-xx, ""); } esc("K"); } @@ -166,7 +165,8 @@ void hexedit_main(void) pos = 16*(TT.base+y)+x; if (pos>=TT.len) { pos = TT.len-1; - x = (TT.len-1)%15; + x = pos&15; + y = (pos/16)-TT.base; } // Display cursor @@ -212,14 +212,14 @@ void hexedit_main(void) y = 0; } } else if (key==KEY_DOWN) { - if (y == TT.height-1 && pos+32<TT.len) { + if (y == TT.height-1 && (pos|15)+1<TT.len) { down: TT.base++; esc("1S"); jump(0, TT.height-1); draw_line(TT.height-1); } - if (pos+16<TT.len && ++y>=TT.height) y--; + if (++y>=TT.height) y--; } else if (key==KEY_RIGHT) { if (x<15 && pos+1<TT.len) x++; } else if (key==KEY_LEFT) { |