package require cells
    package require xcells
    
    # a little size helper
    proc size {x} {
        expr 50*$x
    }
    cells create . {
        # manager v : vertical placing (top to bottom)
        cells::config +manager v -width 200 -height 100 +title "Cells testing"
        # creates two 'cell' widgets, i.e. two new containers inside the toplevel
        cells::create cell ctrl(2)
        cells::with ctrl(0) {
            cells::config -height 50 -width 200
            # creates a simple text label
            cells::create label lbl(1) -text "Please confirm or cancel the operation."
        }
        cells::with ctrl(1) {
            # horizontal placing (left to right)
            cells::config +manager h -height 50 -width 200 +pady 2 +padx 10
            # creates two xbutton widgets
            # xbutton widgets have width and height in pixels
            cells::create xbutton btn(2) -width [size 2] -height [size 0.5] \
                    +padx [size 0.2]
            cells::config btn(0) -text Confirm -command {exit} -height [size 0.5] -width 100
            cells::config btn(1) -text Cancel -command {exit} -height [size 0.5] -width 100
        }
    }