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#!/usr/bin/env python
#****************************************************************************
#** $Id$
#**
#** Copyright (C) 1992-1998 Troll Tech AS. All rights reserved.
#**
#** This file is part of an example program for PyQt. This example
#** program may be used, distributed and modified without limitation.
#**
#*****************************************************************************/
import sys, string
from qt import *
TRUE = 1
FALSE = 0
# XPM
p1_xpm = [
"16 16 3 1",
" c None",
". c #000000000000",
"X c #FFFFFFFF0000",
" ",
" ",
" .... ",
" .XXXX. ",
" .............. ",
" .XXXXXXXXXXXX. ",
" .XXXXXXXXXXXX. ",
" .XXXXXXXXXXXX. ",
" .XXXXXXXXXXXX. ",
" .XXXXXXXXXXXX. ",
" .XXXXXXXXXXXX. ",
" .XXXXXXXXXXXX. ",
" .XXXXXXXXXXXX. ",
" .XXXXXXXXXXXX. ",
" .............. ",
" "
]
# XPM
p2_xpm = [
"16 16 3 1",
" c None",
". c #000000000000",
"X c #FFFFFFFFFFFF",
" ",
" ...... ",
" .XXX.X. ",
" .XXX.XX. ",
" .XXX.XXX. ",
" .XXX..... ",
" .XXXXXXX. ",
" .XXXXXXX. ",
" .XXXXXXX. ",
" .XXXXXXX. ",
" .XXXXXXX. ",
" .XXXXXXX. ",
" .XXXXXXX. ",
" ......... ",
" ",
" "
]
# XPM
p3_xpm = [
"16 16 3 1",
" c None",
". c #000000000000",
"X c #FFFFFFFFFFFF",
" ",
" ",
" ......... ",
" ........... ",
" ........ .. ",
" ........... ",
" ........... ",
" ........... ",
" ........... ",
" ...XXXXX... ",
" ...XXXXX... ",
" ...XXXXX... ",
" ...XXXXX... ",
" ......... ",
" ",
" "
]
# Auxiliary class to provide fancy menu items with different fonts.
# Used for the "bold" and "underline" menu items in the options menu.
class MyMenuItem( QCustomMenuItem ):
def __init__( self, s, f ):
QCustomMenuItem.__init__( self )
self.string = s
self.font = f
def paint( self, p, cg, act, enabled, x, y, w, h ) :
p.setFont ( self.font )
p.drawText( x, y, w, h, Qt.AlignLeft | Qt.AlignVCenter | Qt.ShowPrefix | Qt.DontClip, self.string )
def sizeHint( self ):
return QFontMetrics( self.font ).size( Qt.AlignLeft | Qt.AlignVCenter | Qt.ShowPrefix | Qt.DontClip, self.string )
# Implementation of MenuExample class
class MenuExample( QWidget ):
def __init__( self, parent=None, name=None ):
QWidget.__init__( self, parent, name )
self.p1 = QIconSet( QPixmap ( p1_xpm ) )
self.p2 = QIconSet( QPixmap ( p2_xpm ) )
self.p3 = QIconSet( QPixmap ( p3_xpm ) )
self.printer = QPopupMenu( self )
self.printer.insertTearOffHandle()
self.printer.insertItem( "&Print to printer", self.printDoc )
self.printer.insertItem( "Print to &file", self.printFile )
self.printer.insertItem( "Print to fa&x", self.fax )
self.printer.insertSeparator()
self.printer.insertItem( "Printer &Setup", self.printerSetup )
self.file = QPopupMenu( self )
self.file.insertItem( self.p1, "&Open", self.open, Qt.CTRL+Qt.Key_O )
self.file.insertItem( self.p2, "&New", self.news, Qt.CTRL+Qt.Key_N )
self.file.insertItem( self.p3, "&Save", self.save, Qt.CTRL+Qt.Key_S )
self.file.insertItem( "&Close", self.closeDoc, Qt.CTRL+Qt.Key_W )
self.file.insertSeparator()
self.file.insertItem( "&Print", self.printer, Qt.CTRL+Qt.Key_P )
self.file.insertSeparator()
self.file.insertItem( "E&xit", qApp, SLOT( "quit()" ), Qt.CTRL+Qt.Key_Q )
self.edit = QPopupMenu( self )
undoID = self.edit.insertItem( "&Undo", self.undo )
redoID = self.edit.insertItem( "&Redo", self.redo )
self.edit.setItemEnabled( undoID, FALSE )
self.edit.setItemEnabled( redoID, FALSE )
self.options = QPopupMenu( self )
self.options.insertTearOffHandle()
self.options.setCaption( "Options" )
self.options.insertItem( "&Normal Font", self.normal )
self.options.insertSeparator()
self.options.polish() # adjust system settings
f = self.options.font()
f.setBold( TRUE )
self.boldID = self.options.insertItem( MyMenuItem( "Bold", f ) )
self.options.setAccel( Qt.CTRL+Qt.Key_B, self.boldID )
self.options.connectItem( self.boldID, self.bold )
f = self.options.font()
f.setUnderline( TRUE )
self.underlineID = self.options.insertItem( MyMenuItem( "Underline", f ) )
self.options.setAccel( Qt.CTRL+Qt.Key_U, self.underlineID )
self.options.connectItem( self.underlineID, self.underline )
self.isBold = FALSE
self.isUnderline = FALSE
self.options.setCheckable( TRUE )
self.help = QPopupMenu( self )
self.help.insertItem( "&About", self.about, Qt.CTRL+Qt.Key_H )
self.help.insertItem( "About &Qt", self.aboutQt )
self.menu = QMenuBar( self )
self.menu.insertItem( "&File", self.file )
self.menu.insertItem( "&Edit", self.edit )
self.menu.insertItem( "&Options", self.options )
self.menu.insertSeparator()
self.menu.insertItem( "&Help", self.help )
self.menu.setSeparator( QMenuBar.InWindowsStyle )
msg = QLabel( self )
msg.setText( "A context menu is available.\n"
"Invoke it by right-clicking or by"
" pressing the 'context' button." )
msg.setGeometry( 0, self.height() - 60, self.width(), 60 )
msg.setAlignment( Qt.AlignCenter )
self.label = QLabel( self )
self.label.setGeometry( 20, self.rect().center().y()-20, self.width()-40, 40 )
self.label.setFrameStyle( QFrame.Box | QFrame.Raised )
self.label.setLineWidth( 1 )
self.label.setAlignment( Qt.AlignCenter )
self.connect( self, PYSIGNAL( "explain" ), self.label, SLOT( "setText(const QString &" ) )
self.setMinimumSize( 100, 80 )
self.setFocusPolicy( QWidget.ClickFocus )
def contextMenuEvent(self, cmev):
contextMenu = QPopupMenu( self )
caption = QLabel( "<font color=darkblue><u><b>Context Menu</b></u></font>", self )
caption.setAlignment( Qt.AlignCenter )
contextMenu.insertItem( caption )
contextMenu.insertItem( "&New", self.news, Qt.CTRL+Qt.Key_N )
contextMenu.insertItem( "&Open...", self.open, Qt.CTRL+Qt.Key_O )
contextMenu.insertItem( "&Save", self.save, Qt.CTRL+Qt.Key_S )
submenu = QPopupMenu( self )
submenu.insertItem( "&Print to printer", self.printDoc )
submenu.insertItem( "Print to &file", self.printFile )
submenu.insertItem( "Print to fa&x", self.fax )
contextMenu.insertItem( "&Print", submenu )
contextMenu.exec_loop( QCursor.pos() )
def open( self ):
self.emit( PYSIGNAL( "explain" ), ( "File/Open selected", ) )
def news( self ):
self.emit( PYSIGNAL( "explain" ), ( "File/New selected", ) )
def save( self ):
self.emit( PYSIGNAL( "explain" ), ( "File/Save selected", ) )
def closeDoc( self ):
self.emit( PYSIGNAL( "explain" ), ( "File/Close selected", ) )
def undo( self ):
self.emit( PYSIGNAL( "explain" ), ( "Edit/Undo selected", ) )
def redo( self ):
self.emit( PYSIGNAL( "explain" ), ( "Edit/Redo selected", ) )
def normal( self ):
self.isBold = FALSE
self.isUnderline = FALSE
font = QFont()
self.label.setFont( font )
self.options.setItemChecked( self.boldID, self.isBold )
self.options.setItemChecked( self.underlineID, self.isUnderline )
self.emit( PYSIGNAL( "explain" ), ( "Options/Normal selected", ) )
def bold( self ):
self.isBold = not self.isBold
font = QFont()
font.setBold( self.isBold )
font.setUnderline( self.isUnderline )
self.label.setFont( font )
self.options.setItemChecked( self.boldID, self.isBold )
self.emit( PYSIGNAL( "explain" ), ( "Options/Bold selected", ) )
def underline( self ):
self.isUnderline = not self.isUnderline
font = QFont()
font.setBold( self.isBold )
font.setUnderline( self.isUnderline )
self.label.setFont( font )
self.options.setItemChecked( self.underlineID, self.isUnderline )
self.emit( PYSIGNAL("explain"), ( "Options/Underline selected", ))
def about( self ):
QMessageBox.about( self, "Qt Menu Example",
"This example demonstrates simple use of Qt menus.\n"
"You can cut and paste lines from it to your own\n"
"programs." )
def aboutQt( self ):
QMessageBox.aboutQt( self, "Qt Menu Example" )
def printDoc( self ):
self.emit( PYSIGNAL( "explain" ), ( "File/Printer/Print selected", ) )
def printFile( self ):
self.emit( PYSIGNAL( "explain" ), ( "File/Printer/Print To File selected", ) )
def fax( self ):
self.emit( PYSIGNAL( "explain" ), ( "File/Printer/Print To Fax selected", ) )
def printerSetup( self ):
self.emit( PYSIGNAL( "explain" ), ( "File/Printer/Printer Setup selected", ) )
def resizeEvent( self, ev ):
self.label.setGeometry( 20, self.rect().center().y()-20, self.width()-40, 40 )
a = QApplication( sys.argv )
m = MenuExample()
m.setCaption( "Qt Examples - Menus" )
a.setMainWidget( m )
m.show()
a.exec_loop()
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