1 files changed, 155 insertions, 0 deletions
diff --git a/python/pyqt/examples3/progressbar.py b/python/pyqt/examples3/progressbar.py
new file mode 100755
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+++ 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)