45 lines
521 B
C
45 lines
521 B
C
void
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kscrolldown(const Arg* a)
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{
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int n = a->i;
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if (n < 0)
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n = term.row + n;
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if (n > term.scr)
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n = term.scr;
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if (term.scr > 0) {
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term.scr -= n;
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selscroll(0, -n);
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tfulldirt();
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}
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if (n > 0)
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restoremousecursor();
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}
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void
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kscrollup(const Arg* a)
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{
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int n = a->i;
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if (n < 0)
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n = term.row + n;
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if (term.scr + n > term.histn)
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n = term.histn - term.scr;
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if (!n)
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return;
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if (term.scr <= HISTSIZE-n) {
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term.scr += n;
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selscroll(0, n);
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tfulldirt();
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}
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if (n > 0)
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restoremousecursor();
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}
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