PySide Maya experimentation. Testing to load a transparent png.

PySideMayaTest_loadPng_v01.py

from maya import cmds
from maya import OpenMayaUI
from PySide import QtCore
from PySide import QtGui
from shiboken import wrapInstance
import os

# testing to load a transparent 24 png from the script dir
usrScriptDir = cmds.internalVar(userScriptDir=True)
img_path = os.path.join(usrScriptDir, "lighthouse_24_alpha.png")

def getMayaWin():
    main_win = OpenMayaUI.MQtUtil.mainWindow()
    return wrapInstance(long(main_win), QtGui.QWidget)
    
class testWindow(QtGui.QMainWindow):
        
    def __init__(self, parent = getMayaWin()):
        QtGui.QMainWindow.__init__(self, parent)
          
        self.centralwidget = QtGui.QWidget(parent)
        self.verticalLayout = QtGui.QVBoxLayout(self.centralwidget)
       
        self.pixmap = QtGui.QPixmap(img_path)
        
        self.pixLabel = QtGui.QLabel(self)
        self.pixLabel.setPixmap(self.pixmap)
        self.verticalLayout.addWidget(self.pixLabel)
        
        self.buttonA = QtGui.QPushButton()
        self.buttonA.setText('A')
        self.verticalLayout.addWidget(self.buttonA)
        self.buttonA.clicked.connect(self.clickedA)

        self.buttonB = QtGui.QPushButton()
        self.buttonB.setText('B')
        self.verticalLayout.addWidget(self.buttonB)
        self.buttonB.clicked.connect(self.clickedB)

        self.buttonC = QtGui.QPushButton()
        self.buttonC.setText('C')
        self.verticalLayout.addWidget(self.buttonC)
        self.buttonC.clicked.connect(self.clickedC)
        
        self.label = QtGui.QLabel()
        self.label.setText('Test Label')
        self.verticalLayout.addWidget(self.label) 

        self.setCentralWidget(self.centralwidget)
       
        self.setWindowTitle('Hello World')
        self.resize(200, 80)
        
        self.show()
        
    def clickedA(self):
        print "A"
    def clickedB(self):
        print "B"
    def clickedC(self):
        print "C"

myWin = testWindow()

'''
Testing out various stuff
myWin.hide()
myWin.show()

def toggleVis():
    if myWin.isHidden(): myWin.show()
    else: myWin.hide()

toggleVis()

for x in dir(myWin):
    print(x)

'''