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-rwxr-xr-xpython/pyqt/examples3/progressbar.py155
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diff --git a/python/pyqt/examples3/progressbar.py b/python/pyqt/examples3/progressbar.py
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-#!/usr/bin/env python
-
-"""***********************************************************************
-** $Id$
-**
-** 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 pdb
-import sys
-from qt import *
-
-FALSE = 0
-TRUE = 1
-
-class ProgressBar( QButtonGroup ):
- # Constructor
- # Creates child widgets of the ProgressBar widget
- def __init__( self, parent=None, name=None ):
- QButtonGroup.__init__( self, 0, Qt.Horizontal, "Progress Bar", parent, name )
-
- self.timer = QTimer()
-
- self.setMargin( 10 )
- toplayout = QGridLayout( self.layout(), 2, 2, 5)
-
- self.setRadioButtonExclusive( TRUE )
-
- # insert three radiobuttons which the user can use
- # to set the speed of the progress and two pushbuttons
- # to start/pause/continue and reset the progress
- self.slow = QRadioButton( "&Slow", self )
- self.normal = QRadioButton( "&Normal", self )
- self.fast = QRadioButton( "&Fast", self )
- vb1 = QVBoxLayout( )
- toplayout.addLayout( vb1, 0, 0 )
- vb1.addWidget( self.slow )
- vb1.addWidget( self.normal )
- vb1.addWidget( self.fast )
-
- # two push buttons, one for start, for for reset.
- self.start = QPushButton( "&Start", self )
- self.reset = QPushButton( "&Reset", self )
-
- vb2 = QVBoxLayout()
- toplayout.addLayout( vb2, 0, 1 )
- vb2.addWidget( self.start )
- vb2.addWidget( self.reset )
-
- # Create the progressbar
- self.progress = QProgressBar( 100, self )
- #self.progress.setStyle( QMotifStyle() )
- toplayout.addMultiCellWidget( self.progress, 1, 1, 0, 1 )
-
- # connect the clicked() SIGNALs of the pushbuttons to SLOTs
- self.connect( self.start, SIGNAL("clicked()"), self.slotStart )
- self.connect( self.reset, SIGNAL("clicked()"), self.slotReset )
-
- # connect the timeout() SIGNAL of the progress-timer to a SLOT
- self.connect( self.timer, SIGNAL("timeout()"), self.slotTimeout )
- # Let's start with normal speed...
- self.normal.setChecked( TRUE )
-
- # some contraints
- self.start.setFixedWidth( 80 )
- self.setMinimumWidth( 300 )
-
- # SLOT slotStart
- # This SLOT is called if the user clicks start/pause/continue button
- def slotStart( self ):
- # If the progress bar is at the beginning...
- if self.progress.progress() == -1 :
- # ...set according to the checked speed-radiobutton the
- # the number of steps which are needed to complete the process
- if self.slow.isChecked():
- self.progress.setTotalSteps( 10000 )
- elif self.normal.isChecked() :
- self.progress.setTotalSteps( 1000 )
- else :
- self.progress.setTotalSteps( 50 )
-
- # disable the speed-radiobuttons
- self.slow.setEnabled( FALSE )
- self.normal.setEnabled( FALSE )
- self.fast.setEnabled( FALSE )
-
- # If the progress is not running...
- if not self.timer.isActive() :
- # ...start the timer (and so the progress) with a interval of 1 ms...
- self.timer.start( 1 )
- # ...and rename the start/pause/continue button to Pause
- self.start.setText( "&Pause" )
- else : # if the prgress is running...
- # ...stop the timer (and so the prgress)...
- self.timer.stop()
- # ...and rename the start/pause/continue button to Continue
- self.start.setText( "&Continue" )
-
- # SLOT slotReset
- # This SLOT is called when the user clicks the reset button
- def slotReset( self ):
- # stop the timer and progress
- self.timer.stop()
-
- # rename the start/pause/continue button to Start...
- self.start.setText( "&Start" )
- # ...and enable this button
- self.start.setEnabled( TRUE )
-
- # enable the speed-radiobuttons
- self.slow.setEnabled( TRUE )
- self.normal.setEnabled( TRUE )
- self.fast.setEnabled( TRUE )
-
- # reset the progressbar
- self.progress.reset()
-
- # SLOT slotTimeout
- # This SLOT is called each ms when the timer is
- # active (== progress is running)
- def slotTimeout( self ):
- p = self.progress.progress()
-
- # If the progress is complete...
- if p == self.progress.totalSteps() :
- # ...rename the start/pause/continue button to Start...
- self.start.setText( "&Start" )
- # ...and disable it...
- self.start.setEnabled( FALSE )
- # ...and return
- return
-
- # If the process is not complete increase it
- p += 1
- self.progress.setProgress( p )
-
-
- #QPushButton *start, *pause, *reset;
-
-def main( args ):
- a = QApplication( args )
-
- progressbar = ProgressBar()
- progressbar.setCaption("Qt Example - ProgressBar")
- a.setMainWidget(progressbar)
- progressbar.show()
-
- a.exec_loop()
-
-if __name__=="__main__":
- main(sys.argv)