[PyQt] Fwd: Re: Image doesn't show up

[Algis Kabaila]

----------  Forwarded Message  ----------

Subject: Re: [PyQt] Image doesn't show up
Date: Mon, 27 Jun 2011, 05:57:20 AM
From: Yaşar Arabacı <yasar11732 at gmail.com>
To: Algis Kabaila <akabaila at pcug.org.au>

Wow, this mail groups are really helpfull.  Thanks a lot for all the
information :)

2011/6/26 Algis Kabaila <akabaila at pcug.org.au>

> On Sat, 25 Jun 2011 09:49:26 PM Hans-Peter Jansen wrote:
> > On Saturday 25 June 2011, 06:57:05 Algis Kabaila wrote:
> > > But how to change the old style signal/slot statement to the new
> > > style?...
> >
> >       exit.triggered.connect(self.close)
> >
> > perhaps?
> >
> > Pete
> > _______________________________________________
> > PyQt mailing list    PyQt at riverbankcomputing.com
> > http://www.riverbankcomputing.com/mailman/listinfo/pyqt
>
> Yaşar, some bonus additions to your good trial script.  The images in icons
> directory are from "tango" free open source package.
>
> It is advisable/necessary to have  "parent=None" in the __init__ method. As
> the default for parent is already None, why do we need/want to do?  I just
> do
> it..
>
> #!/usr/bin/python3
> # menubar.py
>
> import sys
> from PyQt4 import QtGui
>
> class MainWindow(QtGui.QMainWindow):
> #    def __init__(self):
>     def __init__(self, parent=None):
>        super(MainWindow, self).__init__(parent)
> #        QtGui.QMainWindow.__init__(self)
>        self.resize(300,200)
>        self.setWindowTitle('Menu and tool bar.')
>         exit = QtGui.QAction(QtGui.QIcon('icons/no.png'),'Exit', self)
>        exit.setShortcut('Ctrl+Q')
>        exit.setStatusTip('Exit application')
> #
> self.connect(exit,QtCore.SIGNAL('triggered()'),QtCore.SLOT('close()'))
>         exit.triggered.connect(self.close)
>         toolBar = self.addToolBar('tools')
>        toolBar.addAction(exit)
>        self.centralwidget = QtGui.QWidget(self)
>        self.gridLayout = QtGui.QGridLayout(self.centralwidget)
>        self.plainTextEdit = QtGui.QPlainTextEdit(self.centralwidget)
>        self.gridLayout.addWidget(self.plainTextEdit, 0, 0, 1, 1)
>        MainWindow.setCentralWidget(self, self.centralwidget)
>         self.statusBar()
>        menubar = self.menuBar()
>        file = menubar.addMenu('&File')
>        file.addAction(exit)
>
>         sayHiAction =
> QtGui.QAction(QtGui.QIcon('icons/address-book-new.png'),
> 'Greet them!', self)
>        sayHiAction.setStatusTip('Say Hi')
>        toolBar.addAction(sayHiAction)
>        file.addAction(sayHiAction)
>        sayHiAction.triggered.connect(self.sayHi)
>
>    def sayHi(self):
>        self.plainTextEdit.setPlainText('Hi Pete, hi world!')
>        # setPlainText(text) first clears the plainTextEdit window.
>        self.plainTextEdit.appendPlainText('Peace to people of good will!')
>
> app = QtGui.QApplication(sys.argv)
> main = MainWindow()
> main.show()
> sys.exit(app.exec_())
>
> Thanks to Pete for showing the simpler nes style of signal/slot connection!
>
> Kind regards,
> OldAl
>

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