commit fa009f9d7217bd577248e53ff5aba2e8b1e0c4b2 parent 038aa0220a3333ee49b19dcca9d084499d5a75e6 Author: rsc <devnull@localhost> Date: Fri, 11 Jun 2004 04:13:24 +0000 scrolling Diffstat:
| M | src/libdraw/mkfile | | | 1 | + |
| A | src/libdraw/scroll.c | | | 29 | +++++++++++++++++++++++++++++ |
2 files changed, 30 insertions(+), 0 deletions(-)
diff --git a/src/libdraw/mkfile b/src/libdraw/mkfile @@ -42,6 +42,7 @@ OFILES=\ rectclip.$O\ replclipr.$O\ rgb.$O\ + scroll.$O\ string.$O\ stringbg.$O\ stringsubfont.$O\ diff --git a/src/libdraw/scroll.c b/src/libdraw/scroll.c @@ -0,0 +1,29 @@ +#include <u.h> +#include <libc.h> +#include <draw.h> + +int +mousescrollsize(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; +}