pyqt list*打印内容

标签：blog   http   io   ar   os   for   sp   on   2014   

import sys, os

from PyQt4 import QtCore, QtGui    

class ThumbListWidget(QtGui.QListWidget):

    def __init__(self, type, parent=None):

        super(ThumbListWidget, self).__init__(parent)

        self.setAcceptDrops(True)

        self.setIconSize(QtCore.QSize(124, 124))

    def dragEnterEvent(self, event):

        if event.mimeData().hasUrls:

            event.accept()

        else:

            event.ignore()

    def dragMoveEvent(self, event):

        if event.mimeData().hasUrls:

            event.setDropAction(QtCore.Qt.CopyAction)

            event.accept()

        else:

            event.ignore()

    def dropEvent(self, event):

        if event.mimeData().hasUrls:

            event.setDropAction(QtCore.Qt.CopyAction)

            event.accept()

            links = []

            for url in event.mimeData().urls():

                links.append(str(url.toLocalFile()))

            self.emit(QtCore.SIGNAL("dropped"), links)

        else:

            event.ignore()

class Dialog_01(QtGui.QMainWindow):

    def __init__(self):

        super(QtGui.QMainWindow,self).__init__()

        self.listItems={}

        myQWidget = QtGui.QWidget()

        myBoxLayout = QtGui.QVBoxLayout()

        myQWidget.setLayout(myBoxLayout)

        self.setCentralWidget(myQWidget)

        self.myListWidget = ThumbListWidget(self)  

        self.myListWidget.setContextMenuPolicy(QtCore.Qt.CustomContextMenu)

        self.myListWidget.connect(self.myListWidget, QtCore.SIGNAL("customContextMenuRequested(QPoint)" ), self.listItemRightClicked)

        myButton = QtGui.QPushButton("Add List Item")

        myBoxLayout.addWidget(self.myListWidget)

        myBoxLayout.addWidget(myButton)

        myButton.clicked.connect(self.addListWidgetItem)                

    def addListWidgetItem(self):

        listItemName=‘Item ‘+str(len(self.listItems.keys()))        

        self.listItems[listItemName]=None

        self.rebuildListWidget() 

    def listItemRightClicked(self, QPos): 

        self.listMenu= QtGui.QMenu()

        menu_item = self.listMenu.addAction("Remove Item")

        if len(self.listItems.keys())==0: menu_item.setDisabled(True)

        self.connect(menu_item, QtCore.SIGNAL("triggered()"), self.menuItemClicked) 

        parentPosition = self.myListWidget.mapToGlobal(QtCore.QPoint(0, 0))        

        self.listMenu.move(parentPosition + QPos)

        self.listMenu.show() 

    def menuItemClicked(self):

        if len(self.listItems.keys())==0: print ‘return from menuItemClicked‘; return

        currentItemName=str(self.myListWidget.currentItem().text() )

        self.listItems.pop(currentItemName, None)

        self.rebuildListWidget()

    def rebuildListWidget(self):

        self.myListWidget.clear()

        items=self.listItems.keys()

        if len(items)>1: items.sort()

        for listItemName in items:

            listItem = QtGui.QListWidgetItem( listItemName, self.myListWidget )

            self.listItems[listItemName]=listItem

if __name__ == ‘__main__‘:

    app = QtGui.QApplication(sys.argv)

    dialog_1 = Dialog_01()

    dialog_1.show()

    dialog_1.resize(480,320)

    sys.exit(app.exec_())

 如图:

pyqt list*打印内容

标签：blog   http   io   ar   os   for   sp   on   2014   

原文地址：http://www.cnblogs.com/mhxy13867806343/p/4073945.html