📄 scroll.c
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#include <u.h>#include <libc.h>#include <draw.h>intmousescrollsize(int maxlines){ static int lines, pcnt; char *mss; if(lines == 0 && pcnt == 0){ mss = getenv("mousescrollsize"); if(mss){ if(strchr(mss, '%') != nil) pcnt = atof(mss); else lines = atoi(mss); free(mss); } if(lines == 0 && pcnt == 0) lines = 1; if(pcnt>=100) pcnt = 100; } if(lines) return lines; return pcnt * maxlines/100.0; }
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