import pymel.core as pm

# Variables
window_width = 150
light_grey = [.7, .7, .7]
dark_grey = [.2, .2, .2]


def gui():
    win = pm.window(width=window_width, height=300, bgc=ligth_grey)
    pm.columnLayout()
    pm.button(command=pressMe, label='Press Me', width=window_width, bgc=dark_grey)
    pm.button(command=freezeTrans, label='Freeze Transforms', width=window_width, bgc=dark_grey)
    pm.button(command=deleteHist, label='Delete History', width=window_width, bgc=dark_grey)
    pm.button(command=wireframeOn, label='Wireframe On', width=window_width, bgc=dark_grey)
    pm.button(command=wireframeOff, label='Wireframe Off', width=window_width, bgc=dark_grey)

    win.show()


def pressMe(*args):
    print 'I have been pressed.'

def freezeTrans(*args):
    pm.mel.eval('FreezeTransformations')
    print 'Transforms frozen.'

def deleteHist(*args):
    pm.mel.eval('delete -ch;')
    print 'History Deleted.'

def wireframeOn(*args):
    pm.mel.eval('setWireframeOnShadedOption true modelPanel4;')


def wireframeOff(*args):
    pm.mel.eval('setWireframeOnShadedOption false modelPanel4;')



gui()