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Annotation of researchv9/jerq/src/mux/term/frame/safeselect.c, revision 1.1

1.1     ! root        1: #include <jerq.h>
        !             2: #include <layer.h>
        !             3: #include <queue.h>
        !             4: #include "jerqproc.h"
        !             5: #include "frame.h"
        !             6: 
        !             7: select(f, pt)
        !             8:        register Frame *f;
        !             9:        Point pt;
        !            10: {
        !            11:        register fix, var, oldvar;
        !            12:        if(f->s1 != f->s2)
        !            13:                selectf(f, F_XOR);
        !            14:        fix=charofpt(f, pt);    /* fixed point */
        !            15:        oldvar=fix;             /* moving point tracks mouse */
        !            16:        var=fix;
        !            17:        while (button1()) {
        !            18:                if(var != oldvar){
        !            19:                        f->s1=oldvar; f->s2=var;
        !            20:                        order(f);
        !            21:                        selectf(f, F_XOR);
        !            22:                        oldvar=var;
        !            23:                }
        !            24:                var=charofpt(f, mouse.xy);
        !            25:        }
        !            26:        f->s1=fix; f->s2=oldvar;
        !            27:        order(f);
        !            28: }
        !            29: order(f)
        !            30:        register Frame *f;
        !            31: {
        !            32:        register a;
        !            33:        if(f->s1 > f->s2){
        !            34:                a=f->s1;
        !            35:                f->s1=f->s2;
        !            36:                f->s2=a;
        !            37:        }
        !            38: }

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