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+#!/usr/bin/env python
+
+"""***********************************************************************
+** $Id: progressbar.py,v 1.1 2003/06/10 14:51:24 phil Exp $
+**
+** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.
+**
+** This file is part of an example program for TQt. This example
+** program may be used, distributed and modified without limitation.
+**
+**************************************************************************"""
+
+#import pdb
+import sys
+from python_tqt.qt import *
+
+FALSE = 0
+TRUE = 1
+
+class ProgressBar( TQButtonGroup ):
+ # Constructor
+ # Creates child widgets of the ProgressBar widget
+ def __init__( self, parent=None, name=None ):
+ TQButtonGroup.__init__( self, 0, TQt.Horizontal, "Progress Bar", parent, name )
+
+ self.timer = TQTimer()
+
+ self.setMargin( 10 )
+ toplayout = TQGridLayout( 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 = TQRadioButton( "&Slow", self )
+ self.normal = TQRadioButton( "&Normal", self )
+ self.fast = TQRadioButton( "&Fast", self )
+ vb1 = TQVBoxLayout( )
+ 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 = TQPushButton( "&Start", self )
+ self.reset = TQPushButton( "&Reset", self )
+
+ vb2 = TQVBoxLayout()
+ toplayout.addLayout( vb2, 0, 1 )
+ vb2.addWidget( self.start )
+ vb2.addWidget( self.reset )
+
+ # Create the progressbar
+ self.progress = TQProgressBar( 100, self )
+ #self.progress.setStyle( TQMotifStyle() )
+ 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 )
+
+
+ #TQPushButton *start, *pause, *reset;
+
+def main( args ):
+ a = TQApplication( args )
+
+ progressbar = ProgressBar()
+ progressbar.setCaption("TQt Example - ProgressBar")
+ a.setMainWidget(progressbar)
+ progressbar.show()
+
+ a.exec_loop()
+
+if __name__=="__main__":
+ main(sys.argv)