PyQt

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PyQt

 
0
  #1
Aug 21st, 2008
Hello guys.
I am having trouble with QTabWidget:
I can't add multiple widgets with addTab nor insertTab.
even when I try something like:
python Syntax (Toggle Plain Text) 
  1. self.widget1 = QListWidget()
  2. self.widget2 = QPushButton("Foo")
  3. self.widget3 = QLabel("Bar")
  4. self.tabs = QTabWidget()
  5. layout = QVBoxLayout()
  6. layout.addWidget(self.widget1)
  7. layout.addWidget(self.widget2)
  8. layout.addWidget(self.widget3)
  9. self.tabs.addTab(layout, "Foobar")

It will raise an error that the first argument (layout) is wrong. :/
Please, any help?
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Re: PyQt

 
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  #2
Aug 21st, 2008
There is not enough code here or enough of the error message to help you. If you are not using a class, the "self." will yield errors. This is an example using QVBoxLayout that hopefully will help.
Python Syntax (Toggle Plain Text) 
  1. #****************************************************************************
  2. #** $Id: lineedits.py,v 1.1 2002/06/19 07:56:07 phil Exp $
  3. #**
  4. #** Copyright (C) 1992-1998 Troll Tech AS.  All rights reserved.
  5. #**
  6. #** This file is part of an example program for PyQt.  This example
  7. #** program may be used, distributed and modified without limitation.
  8. #**
  9. #*****************************************************************************/
  10.  
  11. import sys
  12. from qt import *
  13.  
  14. class LineEdits(QGroupBox):
  15.     def __init__(self, parent = None, name = None):
  16.         QGroupBox.__init__(self, 0, Qt.Horizontal, "Line Edits", parent, name)
  17.  
  18.         self.setMargin(10)
  19.  
  20.         vbox = QVBoxLayout(self.layout())
  21.  
  22.         row1 = QHBoxLayout(vbox)
  23.         row1.setMargin(5)
  24.  
  25.         label = QLabel("Echo Mode: ", self)
  26.         row1.addWidget(label)
  27.  
  28.         combo1 = QComboBox(False, self) 
  29.         row1.addWidget(combo1)
  30.         combo1.insertItem("Normal", -1) 
  31.         combo1.insertItem("Password", -1) 
  32.         combo1.insertItem("No Echo", -1)
  33.  
  34.         self.connect(combo1, SIGNAL("activated(int)"), self.slotEchoChanged)
  35.         self.lined1 = QLineEdit(self)
  36.         vbox.addWidget(self.lined1)
  37.  
  38.         row2 = QHBoxLayout(vbox)
  39.         row2.setMargin(5)
  40.  
  41.         label = QLabel("Validator: ", self)
  42.         row2.addWidget(label)
  43.  
  44.         combo2 = QComboBox(False, self)
  45.         row2.addWidget(combo2)
  46.         combo2.insertItem("No Validator", -1)
  47.         combo2.insertItem("Integer Validator", -1)
  48.         combo2.insertItem("Double Validator", -1)
  49.  
  50.         self.connect(combo2, SIGNAL("activated(int)"), self.slotValidatorChanged)
  51.  
  52.         self.lined2 = QLineEdit(self)
  53.         vbox.addWidget(self.lined2)
  54.  
  55.         row3 = QHBoxLayout(vbox)
  56.         row3.setMargin(5)
  57.  
  58.         label = QLabel("Alignment: ", self)
  59.         row3.addWidget(label)
  60.  
  61.         combo3 = QComboBox(False, self)
  62.         row3.addWidget(combo3)
  63.         combo3.insertItem("Left", -1)
  64.         combo3.insertItem("Centered", -1)
  65.         combo3.insertItem("Right", -1)
  66.  
  67.         self.connect(combo3, SIGNAL("activated(int)"), self.slotAlignmentChanged)
  68.         self.lined3 = QLineEdit(self)
  69.         vbox.addWidget(self.lined3)
  70.  
  71.         row4 = QHBox(self)
  72.         vbox.addWidget(row4)
  73.         row4.setMargin(5)
  74.  
  75.         QLabel("Read-Only: ", row4)
  76.  
  77.         combo4 = QComboBox(True, row4)
  78.         combo4.insertItem("False", -1)
  79.         combo4.insertItem("True", -1)
  80.  
  81.         self.connect(combo4, SIGNAL("activated(int)"), self.slotReadOnlyChanged)
  82.  
  83.         self.lined4 = QLineEdit(self)
  84.         vbox.addWidget(self.lined4)
  85.  
  86.         self.lined1.setFocus()
  87.  
  88.     def slotEchoChanged(self, i):
  89.         if i == 0:
  90.             self.lined1.setEchoMode(QLineEdit.Normal)
  91.         elif i == 1:
  92.             self.lined1.setEchoMode(QLineEdit.Password)
  93.         elif i == 2:
  94.             self.lined1.setEchoMode(QLineEdit.NoEcho)
  95.  
  96.         self.lined1.setFocus()
  97.  
  98.     def slotValidatorChanged(self, i):
  99.         if i == 0:
  100.             self.lined2.setValidator(None)
  101.         elif i == 1:
  102.             self.lined2.setValidator(QIntValidator(self.lined2))
  103.         elif i == 2:
  104.             self.lined2.setValidator(QDoubleValidator(-999.0, 999.0, 2, self.lined2))
  105.  
  106.         self.lined2.setText("")
  107.         self.lined2.setFocus()
  108.  
  109.     def slotAlignmentChanged(self, i):
  110.         if i == 0:
  111.             self.lined3.setAlignment(QLineEdit.AlignLeft)
  112.         elif i == 1:
  113.             self.lined3.setAlignment(QLineEdit.AlignCenter)
  114.         elif i == 2:
  115.             self.lined3.setAlignment(QLineEdit.AlignRight)
  116.  
  117.         self.lined3.setFocus()
  118.  
  119.     def slotReadOnlyChanged(self, i):
  120.         if i == 0:
  121.             self.lined4.setReadOnly(FALSE)
  122.         elif i == 1:
  123.             self.lined4.setReadOnly(TRUE)
  124.  
  125.         self.lined4.setFocus()
  126.  
  127.  
  128. if __name__=='__main__':
  129.     app = QApplication( sys.argv )
  130.  
  131.     lineedits = LineEdits()
  132.     lineedits.setCaption("Lineedits - PyQt Example")
  133.     lineedits.show()
  134.     app.setMainWidget(lineedits)
  135.     app.exec_loop()
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Re: PyQt

 
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  #3
Aug 21st, 2008
Yes I am using classes, here is some more information:
Here is a snippet of the code that I am having trouble with:
Python Syntax (Toggle Plain Text) 
  1. import sys
  2. import os
  3. from PyQt4.QtCore import *
  4. from PyQt4.QtGui import *
  5.  
  6. class PyQtFrontend(QDialog):
  7.  
  8.     def __init__(self, rp,parent=None):
  9.         super(PyQtFrontend, self).__init__(parent)
  10.  
  11.         """Initialize our widgets."""
  12.  
  13.  
  14.         self.tabs = QTabWidget()
  15.         self.rpNameLabel = QLabel("Name:")
  16.         self.rpName = QLineEdit("default")
  17.         self.rpName.selectAll()
  18.  
  19.         self.createPointButton = QPushButton("Create")
  20.  
  21.  
  22.         self.layout = QVBoxLayout()
  23.         self.layout.addWidget(self.rpNameLabel)
  24.         self.layout.addWidget(self.rpName)
  25.         self.layout.addWidget(self.createPointButton)
  26.         self.tabs.addTab(self.layout, "Create Tab")

And here's the exception that gets thrown:
Python Syntax (Toggle Plain Text) 
  1.     self.tabs.addTab(self.layout, "Create Tab")
  2. TypeError: argument 1 of QTabWidget.addTab() has an invalid type.
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Re: PyQt

 
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  #4
Aug 21st, 2008
I'm still using qt3, but it should be somewhere in the vicinity of this
Python Syntax (Toggle Plain Text) 
  1.         self.tab_1 = QWidget()
  2.         self.tab_1.setObjectName("Create Tab")
  3.         self.tabs.addTab(self.tab_1, "")
  4.         self.layout.addWidget(self.tabs)
Last edited by woooee; Aug 21st, 2008 at 10:17 pm.
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Re: PyQt

 
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  #5
Aug 22nd, 2008
That works for one widget, but what I am trying to achieve is to add multiple widgets to the same tab.
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Re: PyQt

 
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  #6
Aug 22nd, 2008
I will only give you a hint since the answer is obvious. The variable is named self.tab_1.
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Re: PyQt

 
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  #7
Aug 22nd, 2008
I don't really understand
I tried that with a layout but it didn't work
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Re: PyQt

 
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  #8
Aug 22nd, 2008
I am dumb.
It was right there infront of my eyes!
Thank you!
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