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pytqt/examples3/listboxcombo.py

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6.1 KiB

#!/usr/bin/env python
"""**************************************************************************
** $Id: listboxcombo.py,v 1.1 2003/05/30 17:47:57 phil Exp $
**
** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.
**
** This file is part of an example program for Qt. This example
** program may be used, distributed and modified without limitation.
**
***************************************************************************"""
import sys
from qt import *
FALSE = 0
TRUE = 1
class ListBoxCombo( QVBox ):
# Constructor
# Creates child widgets of the ListBoxCombo widget
def __init__( self, parent=None, name=None ):
QVBox.__init__( self, parent, name )
self.setMargin( 5 )
self.setSpacing( 5 )
i = 0
row1 = QHBox( self )
row1.setSpacing( 5 )
# Create a multi-selection ListBox...
self.lb1 = QListBox( row1 )
self.lb1.setSelectionMode( QListBox.Multi )
# ...insert a pixmap item...
xpm = QPixmap( "qtlogo.png" )
txt = QString()
QListBoxPixmap( self.lb1, xpm, txt )
# ...and 100 text items
for i in range(0, 100, 1) :
xpm = QPixmap()
txt = QString( "Listbox Item %1" ).arg( i )
if not i % 4 :
xpm = QPixmap( "fileopen.xpm" )
QListBoxPixmap( self.lb1, xpm, txt )
# Create a pushbutton...
arrow1 = QPushButton( " -> ", row1 )
# ...and connect the clicked SIGNAL with the SLOT slotLeft2Right
self.connect( arrow1, SIGNAL("clicked()"), self.slotLeft2Right )
# create an empty single-selection ListBox
self.lb2 = QListBox( row1 )
row2 = QHBox( self )
row2.setSpacing( 5 )
box1 = QVBox( row2 )
box1.setSpacing( 5 )
# Create a non-editable Combobox and a label below...
cb1 = QComboBox( FALSE, box1 )
self.label1 = QLabel( "Current Item: Combobox Item 0", box1 )
self.label1.setMaximumHeight( self.label1.sizeHint().height() * 2 )
self.label1.setFrameStyle( QFrame.Panel | QFrame.Sunken )
#...and insert 50 items into the Combobox
for i in range( 0, 50, 1 ) :
txt = str( QString( "Combobox Item %1" ).arg( i ) )
if i % 9 :
cb1.insertItem( txt )
else :
cb1.listBox().insertItem( MyListBoxItem() )
box2 = QVBox( row2 )
box2.setSpacing( 5 )
# Create an editable Combobox and a label below...
cb2 = QComboBox( TRUE, box2 )
self.label2 = QLabel( "Current Item: Combobox Item 0", box2 )
self.label2.setMaximumHeight( self.label2.sizeHint().height() * 2 )
self.label2.setFrameStyle( QFrame.Panel | QFrame.Sunken )
# ... and insert 50 items into the Combobox
for i in range(0, 50, 1 ) :
txt = str(QString( "Combobox Item %1" ).arg( i ))
if not i % 4 :
cb2.insertItem( QPixmap( "fileopen.xpm" ), txt )
else :
cb2.insertItem( txt )
# Connect the activated SIGNALs of the Comboboxes with SLOTs
self.connect( cb1, SIGNAL("activated( const QString & )"), self.slotCombo1Activated )
self.connect( cb2, SIGNAL("activated( const QString & )"), self.slotCombo2Activated )
""" SLOT slotLeft2Right
* Copies all selected items of the first ListBox into the second ListBox
"""
def slotLeft2Right( self ):
# Go through all items of the first ListBox
for i in range( 0, self.lb1.count(), 1 ) :
item = self.lb1.item( i )
# if the item is selected...
if self.lb1.isSelected( i ): #item.isSelected() :
# ...and it is a text item...
if item.pixmap() and not(item.text().isEmpty()):
self.lb2.insertItem( item.pixmap(), item.text() )
elif not( item.pixmap() ):
self.lb2.insertItem( item.text() )
elif item.text().isEmpty() :
self.lb2.insertItem( item.pixmap() )
""" SLOT slotCombo1Activated( const QString &s )
* Sets the text of the item which the user just selected in the
* first Combobox (and is now the value of s) to the first Label.
"""
def slotCombo1Activated( self, s ) :
self.label1.setText( str(QString( "Current Item: %1" ).arg( s ) ) )
""" SLOT slotCombo2Activated( const QString &s )
* Sets the text of the item which the user just selected in the
* second Combobox (and is now the value of s) to the second Label.
"""
def slotCombo2Activated( self, s ) :
self.label2.setText( str(QString( "Current Item: %1" ).arg( s ) ) )
class MyListBoxItem( QListBoxItem ):
def __init__( self, parent=None, name=None ):
QListBoxItem.__init__( self, parent, name )
self.setCustomHighlighting( TRUE )
def paint( self, painter ):
# evil trick: find out whether we are painted onto our listbox
in_list_box = 0
if self.listBox() and self.listBox().viewport() == painter.device():
in_list_box = 1
r = QRect( 0, 0, self.width( self.listBox() ), self.height( self.listBox() ) )
brush = QBrush( Qt.red, Qt.SolidPattern )
if in_list_box and isSelected():
painter.eraseRect( r )
painter.fillRect( 5, 5, self.width( self.listBox() ) - 10, self.height( self.listBox() ) - 10, brush )
if in_list_box and isCurrent():
self.listBox().style().drawPrimitive( QStyle.PE_FocusRect, painter, r, self.listBox().colorGroup() )
def width( self, QListBox ):
return 100
def height( self, QListBox ):
return 16
def main( args ):
a = QApplication( args )
listboxcombo = ListBoxCombo()
listboxcombo.resize( 400, 270 )
listboxcombo.setCaption( "Qt Example - Listboxes and Comboboxes" )
a.setMainWidget( listboxcombo )
listboxcombo.show();
a.exec_loop()
if __name__=="__main__":
main(sys.argv)