OpenEuphoria

RE: Clickable windows areas

• Posted by rudy toews <rltoews at ilos.net> Mar 30, 2002
• 347 views

Dan Moyer wrote:
> Evan,
> 
> I tried Derek's suggestion about making an array of captionless windows, 
> but
> found that I couldn't make the black keys in their proper positions,
> "overlaying" portions of the white keys;  I tried buttons, too, with 
> same
> problem.  I then tried making a drawing of a piano keyboard, with the
> intention of saving each key as a separate .bmp, and then pasting them 
> onto
> the screen so they looked like one keyboard, but as I was doing that it
> finally dawned on me that it would actually be simpler to just...test
> against x-y position of mouse!!
> 
> So my inexpert conclusion is that isn't really a useful easier way than 
> what
> you were already aware of.
> 
> Dan Moyer
> 
> ----- Original Message -----
> From: "rudy toews" <rltoews at ilos.net>
> To: "EUforum" <EUforum at topica.com>
> Sent: Saturday, March 30, 2002 4:06 AM
> Subject: RE: Clickable windows areas
> 
> 
> > Evan Marshall wrote:
> > > Is there an easy(+ or -) way to make certain areas of a window
> > > clickable?
> > > I have an image of a piano keyboard and I'd like to be able to make the
> > > keys clickable.
> > > I could use an onMouse event and check to see if the mouse was in the
> > > area of a certain key, but I am hoping there is an easier way.
> > >
> > >
> > hi Evan
> > i am only beginning to learn the win32lib myself trying to creata a
> > windows program.  if you turn your piano keys into bitmaps that are used
> > as icons assigned a name when creating buttons then:
> > you can probably stay away from mouse coordinates(and calculations).
> >
> > or
> >
> > my first atempt was to create a keypad where all the keys are beside one
> > another in a rectangle. basexy = [0,x,y]
> > mouseat returns 3 item sequence, x in position 1, y = position 2
> > a keypad that is 13 keys accross by 4 rows up
> > using the left bottom corner of the rectangle as a base and a common
> > keyshape then:
> >
> > amhere = mouseat()
> > keyx = int((amhere[1]-base[1]) / 13)+1
> > keyy =  int((amhere[2]-base[2]) / 4) + 1
> > keynum = keyx * keyy
> >
> > hope this helps
> > rudy
> > lotterywars
> >
> >
hi again
oops.  the statement mouseat() comes from another language - L3.
the win32lib function is getPointerPostion().
this returns a sequence of length 2, {x,y}

rudy



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