Link buttons to a toolbar
pixelpos = lm_link2toolbar(h, hframe, pixelpos, normpos, direction)
h:
list of toolbar button handles
hframe:
modelit.layout.Frame to print these buttons in
pixelpos:
initial pixelposition
normpos:
normalized position
direction:
direction to plot buttons in 1: Left to Right, -1: Right to Left
pixelpos:
final pixel position. Input for next call to lm_link2toolbar