Fix selection: selscroll - st - Personal fork of st
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       ---
 (DIR) commit 045a0fab4f80b57f4a982ae6bc5f33fe21d66111
 (DIR) parent 9c30066e73f0105c3fccb7582c8172d5117857b3
 (HTM) Author: Jakub Leszczak <szatan@gecc.xyz>
       Date:   Wed,  6 May 2020 13:36:59 +0200
       
       Fix selection: selscroll
       
       Diffstat:
         M st.c                                |      26 ++++++++------------------
       
       1 file changed, 8 insertions(+), 18 deletions(-)
       ---
 (DIR) diff --git a/st.c b/st.c
       @@ -1106,27 +1106,17 @@ selscroll(int orig, int n)
                if (sel.ob.x == -1)
                        return;
        
       -        if (BETWEEN(sel.ob.y, orig, term.bot) || BETWEEN(sel.oe.y, orig, term.bot)) {
       -                if ((sel.ob.y += n) > term.bot || (sel.oe.y += n) < term.top) {
       +        if (BETWEEN(sel.nb.y, orig, term.bot) != BETWEEN(sel.ne.y, orig, term.bot)) {
       +                selclear();
       +        } else if (BETWEEN(sel.nb.y, orig, term.bot)) {
       +                sel.ob.y += n;
       +                sel.oe.y += n;
       +                if (sel.ob.y < term.top || sel.ob.y > term.bot ||
       +                    sel.oe.y < term.top || sel.oe.y > term.bot) {
                                selclear();
       -                        return;
       -                }
       -                if (sel.type == SEL_RECTANGULAR) {
       -                        if (sel.ob.y < term.top)
       -                                sel.ob.y = term.top;
       -                        if (sel.oe.y > term.bot)
       -                                sel.oe.y = term.bot;
                        } else {
       -                        if (sel.ob.y < term.top) {
       -                                sel.ob.y = term.top;
       -                                sel.ob.x = 0;
       -                        }
       -                        if (sel.oe.y > term.bot) {
       -                                sel.oe.y = term.bot;
       -                                sel.oe.x = term.col;
       -                        }
       +                        selnormalize();
                        }
       -                selnormalize();
                }
        }