Do something to waves in marquee

#pragma rtGlobals=1     // Use modern global access method.
#include <Execute Cmd On List>  
 
Menu "GraphMarquee"
    "Do something to Waves in Marquee"
    "Do something else to Waves in Marquee"
End
 
Function pointInBox(px,py,bl,bt,br,bb)  // determine if point is in box
    variable px,py,bl,bt,br,bb
    
    return((px>bl && br>px) && (py>bb && bt>py))
End
 
Function waveThroughBox(w,bl,bt,br,bb)  // determine if wave w goes through box
    wave w
    variable bl,bt,br,bb
    
    variable pt,px
    for(pt=0;numpnts(w)>pt;pt+=1)
        px=DimOffset(w,0)+DimDelta(w,0)*pt
        if(pointInBox(px,w[pt],bl,bt,br,bb))
            return 1
        endif
    endfor
    return 0
End
 
Function/S WavesinBox(bl,bt,br,bb)  // get list of waves passing through box
    variable bl,bt,br,bb
 
    string retlst,aWv,wvl=WaveList("*",";","WIN:")
    retlst=""
    variable i
    for(i=0;ItemsinList(wvl)>i;i+=1)
        aWv=StringFromList(i,wvl)
        wave wv=$aWv
        if(waveThroughBox(wv,bl,bt,br,bb))
            retlst+=aWv+";"
        endif
    endfor
    return retlst
End
 
Function DoSomethingToWavesInMarquee()  // here, just highlighting traces
 
    GetMarquee/K left,bottom
    string waves2highlight=WavesinBox(V_left,V_top,V_right,V_bottom)
    ExecuteCmdOnList("ModifyGraph lsize(%s)=3",waves2highlight)
End
 
Function DoSomethingElseToWavesInMarquee()  // here, just reversing highlighting of traces
 
    GetMarquee/K left,bottom
    string waves2highlight=WavesinBox(V_left,V_top,V_right,V_bottom)
    ExecuteCmdOnList("ModifyGraph lsize(%s)=1",waves2highlight)
End
 
 
 
Function TestMarqueeWaves() // just puts some waves into a graph onto which one can draw a marquee and highlight some of the waves
 
    variable nwaves=10
    variable i
    string awv
    Display/W=(200,200,600,600)
    for(i=0;nwaves>i;i+=1)
        awv="w"+Num2Str(i)
        Make/O/N=100 $awv=gnoise(1)
        Smooth 11,$awv
        AppendtoGraph $awv
        ModifyGraph rgb($awv)=(65535*i/nwaves,65535*(1-i/nwaves),332767)
    endfor
    ModifyGraph mode=0
End