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106 行
3.0 KiB
106 行
3.0 KiB
#!/usr/bin/env python
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"""**************************************************************************
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** $Id: tooltip.py,v 1.1 2003/07/01 14:18:37 phil Exp $
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**
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** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.
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**
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** This file is part of an example program for TQt. This example
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** program may be used, distributed and modified without limitation.
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**
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***************************************************************************"""
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import sys
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from python_tqt.qt import *
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from random import random
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class DynamicTip( TQToolTip ):
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def __init__( self, parent ):
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TQToolTip.__init__( self, parent )
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def maybeTip( self, pos ):
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#if not self.parent.inherits( "TellMe" ):
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if TQToolTip(self).parentWidget().inherits( "TellMe" ) :
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return
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r = TQRect( TQToolTip(self).parentWidget().tip(pos) )
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if not r.isValid():
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return
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s = TQString( "position: %d,%d" % (r.center().x(), r.center().y()) )
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TQToolTip(self).tip( r, s )
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class TellMe( TQWidget ):
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def __init__( self, parent=None, name=None ):
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TQWidget.__init__( self, parent, name )
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self.setMinimumSize( 30, 30 )
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self.r1 = self.randomRect()
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self.r2 = self.randomRect()
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self.r3 = self.randomRect()
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self.t = DynamicTip( self )
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TQToolTip.add( self, self.r3, "this color is called red" ) # <- helpful
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def paintEvent( self, e ):
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p = TQPainter( self )
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# I try to be efficient here, and repaint only what's needed
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if e.rect().intersects( self.r1 ):
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p.setBrush( TQt.blue )
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p.drawRect( self.r1 )
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if e.rect().intersects( self.r2 ):
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p.setBrush( TQt.blue )
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p.drawRect( self.r2 )
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if e.rect().intersects( self.r3 ):
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p.setBrush( TQt.red )
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p.drawRect( self.r3 )
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def mousePressEvent( self, e ):
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if self.r1.contains( e.pos() ):
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self.r1 = self.randomRect()
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if self.r2.contains( e.pos() ):
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self.r2 = self.randomRect()
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self.repaint()
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def resizeEvent( self, e ):
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if not self.rect().contains( self.r1 ):
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self.r1 = self.randomRect()
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if not self.rect().contains( self.r2 ):
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self.r2 = self.randomRect()
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def randomRect( self ):
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return TQRect( random() * (self.width() - 20), random() * (self.height() - 20), 20, 20 )
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def tip( self, p ):
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if self.r1.contains( p ):
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return self.r1
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elif self.r2.contains( p ):
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return self.r2
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else:
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return TQRect( 0,0, -1,-1 )
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def __del__( self ):
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del self.t
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self.t = None
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def main( args ):
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a = TQApplication( args )
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mw = TellMe()
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mw.setCaption( "TQt Example - Dynamic Tool Tips" )
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a.setMainWidget( mw )
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mw.show()
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a.exec_loop()
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if __name__=="__main__":
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main(sys.argv)
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