mask.py

#!/usr/local/bin/python
#
#                               Copyright 2004
#                                     by
#                        The Board of Trustees of the
#                     Leland Stanford Junior University.
#                            All rights reserved.
#


__facility__ = "Trigger"
__abstract__ = "Mask widget for trigger display"
__author__   = "Martin Kocian, SLAC"
__date__     = ("$Date: 2005/06/03 23:03:42 $").split(' ')[1]
__version__  = "$Revision: 2.1 $"
__release__  = "$Name: R04-12-00 $"
__credits__  = "SLAC"

from qt import *
import sys

class mask (QWidget):

        def __init__(self,parent= None,name = None,fl = 0):
                QWidget.__init__(self,parent,name,fl)
        if not name:
            self.setName("mask")
                self.__nbox=0
        self.__box=[]
        self.__mask=0x0
        self.__labels=[]
        self.__title=QLabel(self,"title")
        self.__title.setAlignment(QLabel.AlignCenter|QLabel.AlignVCenter)
        self.clearWState(Qt.WState_Polished)

        def setup(self,nbox):
        self.__nbox=nbox
        for i in range(nbox):
            self.__box.append(QCheckBox(self,""))
            self.__labels.append(QLabel(self,""))
            self.__labels[i].setAlignment(QLabel.AlignRight|QLabel.AlignVCenter)
            font=self.__labels[i].font()
            font.setPointSize(8)
            self.__labels[i].setFont(font)
            QObject.connect(self.__box[i],SIGNAL("clicked()"),self.updateMask) 
            
        def setTitle(self,text):
        self.__title.setText(text)
        def setLabel(self,i,text):
        self.__labels[i].setText(text)
        def updateMask(self):
        self.__mask=0x0
        for i in range(self.__nbox):
            if self.__box[i].isChecked():
                self.__mask|=1<<i
                self.emit(PYSIGNAL("update"), (self.__mask,))
        def getMask(self):
        return self.__mask
    def setMask(self,mask):
        m=0x0
        for i in range (self.__nbox):
            m|=1<<i
            self.__box[i].setChecked(mask&(1<<i))
        self.__mask=mask&m  
    
    def resizeEvent(self,rev):
        height=rev.size().height()
        width=rev.size().width()
        ch=(height-15)/self.__nbox
        self.__title.setGeometry(0,height-15,width,15)
        for i in range(self.__nbox):
            self.__labels[i].setGeometry(0,i*ch,width-12,ch)
                        self.__box[i].setGeometry(width-12,i*ch+ch/2-6,12,12)
        
        

if __name__ == "__main__":
        a = QApplication(sys.argv)
        QObject.connect(a,SIGNAL("lastWindowClosed()"),a,SLOT("quit()"))
        w = mask()
    w.setup(12)
    w.setLabel(10,"a")
    w.setTitle("Hallo")
    w.setMask(0xffff)
    w.setGeometry(300,400,50,164)
        a.setMainWidget(w)
        w.show()
        a.exec_loop() 

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