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#!/usr/bin/env python
import sys, string
from qt import *
#
## Constructs an analog clock widget that uses an internal QTimer.
#
def QMIN( x, y ):
if y > x:
return y
return x
#
## Constructs an analog clock widget that uses an internal QTimer.
#
class AnalogClock( QWidget ):
def __init__( self, *args ):
apply( QWidget.__init__, (self,) + args )
self.time = QTime.currentTime() # get current time
internalTimer = QTimer( self ) # create internal timer
self.connect( internalTimer, SIGNAL("timeout()"), self.timeout )
internalTimer.start( 5000 ) # emit signal every 5 seconds
#
## The QTimer::timeout() signal is received by this slot.
#
def timeout( self ):
new_time = QTime.currentTime() # get the current time
if new_time.minute() != self.time.minute(): # minute has changed
self.update()
#
## The clock is painted using a 1000x1000 square coordinate system.
#
def paintEvent( self, qe ): # paint clock
if not self.isVisible(): # is is invisible
return
self.time = QTime.currentTime() # save current time
pts = QPointArray()
paint = QPainter( self )
paint.setBrush( self.foregroundColor() ) # fill with foreground color
cp = QPoint( self.rect().center() ) # widget center point
d = QMIN( self.width(), self.height() ) # we want a circular clock
matrix = QWMatrix() # setup transformation matrix
matrix.translate( cp.x(), cp.y() ) # origin at widget center
matrix.scale( d / 1000.0, d / 1000.0 ) # scale coordinate system
h_angle = 30 * ( self.time.hour() % 12 - 3 ) + self.time.minute() / 2
matrix.rotate( h_angle ) # rotate to draw hour hand
paint.setWorldMatrix( matrix )
pts.setPoints( [ -20,0, 0,-20, 300,0, 0,20 ] )
paint.drawPolygon( pts ) # draw hour hand
matrix.rotate( -h_angle ) # rotate back to zero
m_angle = ( self.time.minute() - 15 ) * 6
matrix.rotate( m_angle ) # rotate to draw minute hand
paint.setWorldMatrix( matrix )
pts.setPoints( [ -10,0, 0,-10, 400,0, 0,10 ] )
paint.drawPolygon( pts ) # draw minute hand
matrix.rotate( -m_angle ) # rotate back to zero
for i in range( 0, 12 ): # draw hour lines
paint.setWorldMatrix( matrix )
paint.drawLine( 450,0, 500,0 )
matrix.rotate( 30 )
class DigitalClock( QLCDNumber ):
def __init__( self, *args ):
apply( QLCDNumber.__init__,(self,) + args )
self.showingColon = 0
self.setFrameStyle(QFrame.Panel | QFrame.Raised)
self.setLineWidth( 2 )
self.showTime()
self.normalTimer = self.startTimer( 500 )
self.showDateTimer = -1
def timerEvent( self, e ):
if e.timerId() == self.showDateTimer:
self.stopDate()
else:
if self.showDateTimer == -1:
self.showTime()
def mousePressEvent( self, e ):
if e.button() == Qt.LeftButton:
self.showDate()
def showDate( self ):
if self.showDateTimer != -1:
return
d = QDate.currentDate()
self.display('%2d %2d' % (d.month(), d.day()))
self.showDateTimer = self.startTimer(2000)
def stopDate( self ):
self.killTimer(self.showDateTimer)
self.showDateTimer = -1
self.showTime()
def showTime( self ):
self.showingColon = not self.showingColon
s = list(str(QTime.currentTime().toString())[:5]) #.left(5)
if not self.showingColon:
s[2] = ' '
if s[0] == '0':
s[0] = ' '
s = string.join(s,'')
self.display( s )
def QMIN( x, y ):
if y > x:
return y
return x
TRUE = 1
FALSE = 0
MOVIEFILENAME = "trolltech.gif"
#
# WidgetView contains lots of Qt widgets.
#
class WidgetView ( QWidget ):
def __init__( self, *args ):
apply( QWidget.__init__, (self,) + args )
# Set the window caption/title
self.setCaption( "Qt Widgets Demo Application" )
# Install an application-global event filter
qApp.installEventFilter( self )
# Create a layout to position the widgets
self.topLayout = QVBoxLayout( self, 10 )
# Create a grid layout to hold most of the widgets
self.grid = QGridLayout( 6, 3 )
# This layout will get all of the stretch
self.topLayout.addLayout( self.grid, 10 )
# Create a menubar
self.menubar = QMenuBar( self )
#self.menubar.setSeparator( QMenuBar.InWindowsStyle )
self.menubar.setSeparator( 1 )
# Create an easter egg
QToolTip.add( self.menubar, QRect( 0, 0, 2, 2 ), "easter egg" )
self.popup = QPopupMenu()
self.id = self.popup.insertItem( "&New" )
self.popup.setItemEnabled( self.id, FALSE )
self.id = self.popup.insertItem( "&Open" )
self.popup.setItemEnabled( self.id, FALSE )
self.popup.insertSeparator()
self.popup.insertItem( "&Quit", qApp, SLOT("quit()"), Qt.CTRL+Qt.Key_Q )
self.menubar.insertItem( "&File", self.popup )
# Must tell the layout about a menubar in a widget
self.topLayout.setMenuBar( self.menubar )
# Create an analog and a digital clock
self.aclock = AnalogClock( self )
self.aclock.resize( 50, 50 )
self.dclock = DigitalClock( self )
self.dclock.setMaximumWidth( 200 )
self.grid.addWidget( self.aclock, 0, 2 )
self.grid.addWidget( self.dclock, 1, 2 )
# Give the dclock widget a blue palette
col = QColor()
col.setRgb( 0xaa, 0xbe, 0xff )
self.dclock.setPalette( QPalette( col ) )
# make tool tips for both of them
QToolTip.add( self.aclock, "custom widget: analog clock" )
QToolTip.add( self.dclock, "custom widget: digital clock" )
# Create a push button.
self.pb = QPushButton( self, "button1" ) # create button 1
self.pb.setText( "Push button 1" )
self.pb.setFixedHeight( self.pb.sizeHint().height() )
self.grid.addWidget( self.pb, 0, 0, Qt.AlignVCenter )
self.connect( self.pb, SIGNAL("clicked()"), self.button1Clicked )
QToolTip.add( self.pb, "push button 1" )
self.pm = QPixmap()
self.pix = self.pm.load( "qt.png" ) # load pixmap for button 2
if not self.pix:
QMessageBox.information( None, "Qt Widgets Example",
"Could not load the file \"qt.png\", which\n"
"contains an icon used...\n\n"
"The text \"line 42\" will be substituted.",
QMessageBox.Ok + QMessageBox.Default )
# Create a label containing a QMovie
self.movielabel = QLabel( self, "label0" )
self.movie = QMovie( MOVIEFILENAME )
self.movie.connectStatus( self.movieStatus )
self.movie.connectUpdate( self.movieUpdate )
self.movielabel.setFrameStyle( QFrame.Box | QFrame.Plain )
self.movielabel.setMovie( self.movie )
self.movielabel.setMargin( 0 )
self.movielabel.setFixedSize( 128 + self.movielabel.frameWidth() * 2,
64 + self.movielabel.frameWidth() * 2 )
self.grid.addWidget( self.movielabel, 0, 1, Qt.AlignCenter )
QToolTip.add( self.movielabel, "movie" )
# Create a group of check boxes
self.bg = QButtonGroup( self, "checkGroup" )
self.bg.setTitle( "Check Boxes" )
self.grid.addWidget( self.bg, 1, 0 )
# Create a layout for the check boxes
self.vbox = QVBoxLayout(self.bg, 10)
self.vbox.addSpacing( self.bg.fontMetrics().height() )
self.cb = range(3)
self.cb[0] = QCheckBox( self.bg )
self.cb[0].setText( "Read" )
self.vbox.addWidget( self.cb[0] )
self.cb[0].setMinimumSize( self.cb[0].sizeHint() )
self.cb[1] = QCheckBox( self.bg )
self.cb[1].setText( "Write" )
self.vbox.addWidget( self.cb[1] )
self.cb[1].setMinimumSize( self.cb[1].sizeHint() )
self.cb[2] = QCheckBox( self.bg )
self.cb[2].setText( "Execute" )
self.cb[2].setMinimumSize( self.cb[2].sizeHint() )
self.vbox.addWidget( self.cb[2] )
self.bg.setMinimumSize( self.bg.childrenRect().size() )
self.vbox.activate()
self.connect( self.bg, SIGNAL("clicked(int)"), self.checkBoxClicked )
QToolTip.add( self.cb[0], "check box 1" )
QToolTip.add( self.cb[1], "check box 2" )
QToolTip.add( self.cb[2], "check box 3" )
# Create a group of radio buttons
self.bg = QButtonGroup( self, "radioGroup" )
self.bg.setTitle( "Radio buttons" )
self.grid.addWidget( self.bg, 1, 1 )
# Create a layout for the radio buttons
self.vbox = QVBoxLayout( self.bg, 10 )
self.vbox.addSpacing( self.bg.fontMetrics().height() )
self.rb = QRadioButton( self.bg )
self.rb.setText( "&AM" )
self.rb.setChecked( TRUE )
self.vbox.addWidget( self.rb )
self.rb.setMinimumSize( self.rb.sizeHint() )
QToolTip.add( self.rb, "radio button 1" )
self.rb = QRadioButton( self.bg )
self.rb.setText( "&FM" )
self.vbox.addWidget( self.rb )
self.rb.setMinimumSize( self.rb.sizeHint() )
QToolTip.add( self.rb, "radio button 2" )
self.rb = QRadioButton( self.bg )
self.rb.setText( "&Short Wave" )
self.vbox.addWidget( self.rb )
self.rb.setMinimumSize( self.rb.sizeHint() )
self.vbox.activate()
self.connect( self.bg, SIGNAL("clicked(int)"), self.radioButtonClicked )
QToolTip.add( self.rb, "radio button 3" )
# Create a list box
self.lb = QListBox( self, "listBox" )
for i in range( 0, 100, 1 ): # fill list box
txt = QString()
txt = "line %d" % i
if i == 42 and self.pix:
self.lb.insertItem( self.pm )
else:
self.lb.insertItem( txt )
self.grid.addMultiCellWidget( self.lb, 2, 4, 0, 0 )
self.connect( self.lb, SIGNAL("selected(int)"), self.listBoxItemSelected )
QToolTip.add( self.lb, "list box" )
self.vbox = QVBoxLayout( 8 )
self.grid.addLayout( self.vbox, 2, 1 )
# Create a slider
self.sb = QSlider( 0, 300, 1, 100, QSlider.Horizontal, self, "Slider" )
#self.sb.setTickmarks( QSlider.Below )
self.sb.setTickmarks( 1 )
self.sb.setTickInterval( 10 )
#self.sb.setFocusPolicy( QWidget.TabFocus )
self.sb.setFocusPolicy( 1 )
self.sb.setFixedHeight( self.sb.sizeHint().height() )
self.vbox.addWidget( self.sb )
self.connect( self.sb, SIGNAL("valueChanged(int)"), self.sliderValueChanged )
QToolTip.add( self.sb, "slider" )
# Create a combo box
self.combo = QComboBox( FALSE, self, "comboBox" )
self.combo.insertItem( "darkBlue" )
self.combo.insertItem( "darkRed" )
self.combo.insertItem( "darkGreen" )
self.combo.insertItem( "blue" )
self.combo.insertItem( "red" )
self.combo.setFixedHeight( self.combo.sizeHint().height() )
self.vbox.addWidget( self.combo )
self.connect( self.combo, SIGNAL("activated(int)"), self.comboBoxItemActivated )
QToolTip.add( self.combo, "read-only combo box" )
# Create an editable combo box
self.edCombo = QComboBox( TRUE, self, "edComboBox" )
self.edCombo.insertItem( "Permutable" )
self.edCombo.insertItem( "Malleable" )
self.edCombo.insertItem( "Adaptable" )
self.edCombo.insertItem( "Alterable" )
self.edCombo.insertItem( "Inconstant" )
self.edCombo.setFixedHeight( self.edCombo.sizeHint().height() )
self.vbox.addWidget( self.edCombo )
self.connect( self.edCombo, SIGNAL("activated(const QString &)"), self.edComboBoxItemActivated)
QToolTip.add( self.edCombo, "editable combo box" )
self.edCombo.setAutoCompletion( TRUE )
self.vbox.addStretch( 1 )
self.vbox = QVBoxLayout( 8 )
self.grid.addLayout( self.vbox, 2, 2 )
# Create a spin box
self.spin = QSpinBox( 0, 10, 1, self, "spin" )
self.spin.setSuffix( " mm" )
self.spin.setSpecialValueText( "Auto" )
self.spin.setMinimumSize( self.spin.sizeHint() )
self.connect( self.spin, SIGNAL( "valueChanged(const QString &)" ), self.spinBoxValueChanged )
QToolTip.add( self.spin, "spin box" )
self.vbox.addWidget( self.spin )
self.vbox.addStretch( 1 )
# Create a multi line edit
self.mle = QMultiLineEdit( self, "multiLineEdit" )
self.grid.addMultiCellWidget( self.mle, 3, 3, 1, 2 )
self.mle.setMinimumHeight( self.mle.fontMetrics().height() * 3 )
self.mle.setText("This is a QMultiLineEdit widget,\n"
"useful for small multi-line\n"
"input fields.")
QToolTip.add( self.mle, "multi line editor" )
# Create a single line edit
self.le = QLineEdit( self, "lineEdit" )
self.grid.addMultiCellWidget( self.le, 4, 4, 1, 2 )
self.le.setFixedHeight( self.le.sizeHint().height() )
self.connect( self.le, SIGNAL("textChanged(const QString &)"), self.lineEditTextChanged )
QToolTip.add( self.le, "single line editor" )
# Create a horizontal line (sort of QFrame) above the message line
self.separator = QFrame( self, "separatorLine" )
self.separator.setFrameStyle( QFrame.HLine | QFrame.Sunken )
self.separator.setFixedHeight( self.separator.sizeHint().height() )
self.grid.addMultiCellWidget( self.separator, 5, 5, 0, 2 )
QToolTip.add( self.separator, "tool tips on a separator! wow!" )
self.grid.setRowStretch( 0, 0 )
self.grid.setRowStretch( 1, 0 )
self.grid.setRowStretch( 2, 0 )
self.grid.setRowStretch( 3, 1 )
self.grid.setRowStretch( 4, 1 )
self.grid.setRowStretch( 5, 0 )
self.grid.setColStretch( 0, 1 )
self.grid.setColStretch( 1, 1 )
self.grid.setColStretch( 2, 1 )
# Create an label and a message in a plain widget
# The message is updated when buttons are clicked etc.
self.hbox = QHBoxLayout()
self.topLayout.addLayout( self.hbox )
self.msgLabel = QLabel( self, "msgLabel" )
self.msgLabel.setText( "Message:" )
self.msgLabel.setAlignment( Qt.AlignHCenter | Qt.AlignVCenter )
self.msgLabel.setFixedSize( self.msgLabel.sizeHint() )
self.hbox.addWidget( self.msgLabel )
QToolTip.add( self.msgLabel, "label 1" )
self.msg = QLabel( self, "message" )
self.msg.setFrameStyle( QFrame.Panel | QFrame.Sunken )
self.msg.setAlignment( Qt.AlignCenter )
self.msg.setFont( QFont( "times", 12, QFont.Bold ) )
self.msg.setText( "Message" )
self.msg.setFixedHeight( self.msg.sizeHint().height() )
self.msg.setText( "" )
self.hbox.addWidget( self.msg, 5 )
QToolTip.add( self.msg, "label 2" )
self.topLayout.activate()
def setStatus(self, text):
self.msg.setText( text )
def movieUpdate( self, r ):
# Uncomment this to test animated icons on your window manager
self.setIcon( self.movie.framePixmap() )
def movieStatus( self, s ):
if s == QMovie.SourceEmpty or s == QMovie.UnrecognizedFormat:
pm = QPixmap('tt-logo.png')
self.movielabel.setPixmap(pm)
self.movielabel.setFixedSize(pm.size())
else:
if ( self.movielabel.movie() ): # for flicker-free animation:
self.movielabel.setBackgroundMode( QWidget.NoBackground )
def button1Clicked( self ):
self.msg.setText( "The first push button was clicked" )
def checkBoxClicked( self, id ):
txt = "Check box %s clicked : " % str(id)
chk = ["-","-","-"]
if self.cb[0].isChecked():
chk[0] = "r"
if self.cb[1].isChecked():
chk[1] = "w"
if self.cb[2].isChecked():
chk[2] = "x"
txt = txt + str(chk[0]+chk[1]+chk[2])
self.msg.setText( txt )
def edComboBoxItemActivated( self, text):
self.msg.setText( "Editable Combo Box set to %s" % text )
def radioButtonClicked( self, id ):
self.msg.setText( "Radio button #%d clicked" % id )
def listBoxItemSelected( self, index ):
self.msg.setText( "List box item %d selected" % index )
def sliderValueChanged( self, value ):
self.msg.setText( "Movie set to %d%% of normal speed" % value )
self.movie.setSpeed( value )
def comboBoxItemActivated( self, index ):
self.msg.setText( "Combo box item %d activated" % index )
p = QApplication.palette()
if index == 0:
p.setColor( QColorGroup.Highlight, Qt.darkBlue )
elif index == 1:
p.setColor( QColorGroup.Highlight, Qt.darkRed )
elif index == 2:
p.setColor( QColorGroup.Highlight, Qt.darkGreen )
elif index == 3:
p.setColor( QColorGroup.Highlight, Qt.blue )
elif index == 4:
p.setColor( QColorGroup.Highlight, Qt.red )
QApplication.setPalette( p, TRUE )
def lineEditTextChanged( self, newText ):
self.msg.setText("Line edit text: " + unicode(newText))
def spinBoxValueChanged( self, valueText ):
self.msg.setText("Spin box value: " + unicode(valueText))
# All application events are passed throught this event filter.
# We're using it to display some information about a clicked
# widget (right mouse button + CTRL).
#def eventFilter( self, event ):
# identify_now = TRUE
# if event.type() == Event_MouseButtonPress and identify_now:
# e = QMouseEvent( event )
# if (e.button() == Qt.RightButton) and (e.state() & Qt.ControlButton) != 0:
# txt = QString( "The clicked widget is a\n" )
# txt = txt + QObect.className()
# txt = txt + "\nThe widget's name is\n"
# if QObject.name():
# txt = txt + QObject.name()
# else:
# txt = txt + "<no name>"
# identify_now = FALSE # don't do it in message box
# QMessageBox.message( "Identify Widget", txt, 0, QObject )
# identify_now = TRUE; # allow it again
# return FALSE # don't eat event
################################################################################################
#QApplication.setColourSpec( QApplication.CustomColor )
a = QApplication( sys.argv )
w = WidgetView()
a.setMainWidget( w )
w.show()
a.exec_loop()
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