Class: SimpleWizard

Inherits:
Qt::Dialog show all
Defined in:
ext/ruby/qtruby/examples/dialogs/simplewizard/simplewizard.rb

Overview

** ** Copyright © 2004-2005 Trolltech AS. All rights reserved. ** ** This file is part of the example classes of the Qt Toolkit. ** ** This file may be used under the terms of the GNU General Public ** License version 2.0 as published by the Free Software Foundation ** and appearing in the file LICENSE.GPL included in the packaging of ** this file. Please review the following information to ensure GNU ** General Public Licensing requirements will be met: ** www.trolltech.com/products/qt/opensource.html ** ** If you are unsure which license is appropriate for your use, please ** review the following information: ** www.trolltech.com/products/qt/licensing.html or contact the ** sales department at [email protected]. ** ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. **

** Translated to QtRuby by Richard Dale

Instance Method Summary collapse

Methods inherited from Qt::Dialog

#exec

Methods inherited from Qt::Base

#%, #&, #*, #**, #+, #-, #-@, #/, #<, #<<, #<=, #==, #>, #>=, #>>, #QCOMPARE, #QEXPECT_FAIL, #QFAIL, #QSKIP, #QTEST, #QVERIFY, #QVERIFY2, #QWARN, #^, ancestors, #is_a?, #methods, private_slots, #protected_methods, #public_methods, q_classinfo, q_signal, q_slot, signals, #singleton_methods, slots, #|, #~

Constructor Details

#initialize(parent = nil) ⇒ SimpleWizard

Returns a new instance of SimpleWizard.



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# File 'ext/ruby/qtruby/examples/dialogs/simplewizard/simplewizard.rb', line 30

def initialize(parent = nil)
    super(parent)
    @history = []
    @numPages = 0
    @cancelButton = Qt::PushButton.new(tr("Cancel"))
    @backButton = Qt::PushButton.new(tr("< &Back"))
    @nextButton = Qt::PushButton.new(tr("Next >"))
    @finishButton = Qt::PushButton.new(tr("&Finish"))

    connect(@cancelButton, SIGNAL('clicked()'), self, SLOT('reject()'))
    connect(@backButton, SIGNAL('clicked()'), self, SLOT('backButtonClicked()'))
    connect(@nextButton, SIGNAL('clicked()'), self, SLOT('nextButtonClicked()'))
    connect(@finishButton, SIGNAL('clicked()'), self, SLOT('accept()'))

    @buttonLayout = Qt::HBoxLayout.new do |b|
			b.addStretch(1)
			b.addWidget(@cancelButton)
			b.addWidget(@backButton)
			b.addWidget(@nextButton)
			b.addWidget(@finishButton)
	end

    @mainLayout = Qt::VBoxLayout.new {|l| l.addLayout(@buttonLayout)}
    self.layout = @mainLayout
end

Instance Method Details

#backButtonClicked ⇒ Object 



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# File 'ext/ruby/qtruby/examples/dialogs/simplewizard/simplewizard.rb', line 70

def backButtonClicked()
    @nextButton.enabled = true
    @finishButton.enabled = true

    oldPage = @history.last
    switchPage(oldPage)
end

#buttonEnabled=(enable) ⇒ Object 



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# File 'ext/ruby/qtruby/examples/dialogs/simplewizard/simplewizard.rb', line 56

def buttonEnabled=(enable)
    if @history.length == @numPages
        @finishButton.enabled = enable
    else
        @nextButton.enabled = enable
    end
end

#nextButtonClicked ⇒ Object 



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# File 'ext/ruby/qtruby/examples/dialogs/simplewizard/simplewizard.rb', line 78

def nextButtonClicked()
    @nextButton.enabled = true
    @finishButton.enabled = (@history.length == @numPages - 1)

    oldPage = @history.last
    @history.push createPage(@history.length)
    switchPage(oldPage)
end

#setNumPages(n) ⇒ Object 



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# File 'ext/ruby/qtruby/examples/dialogs/simplewizard/simplewizard.rb', line 64

def setNumPages(n)
    @numPages = n
    @history.push createPage(0)
    switchPage(nil)
end

#switchPage(oldPage) ⇒ Object 



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# File 'ext/ruby/qtruby/examples/dialogs/simplewizard/simplewizard.rb', line 87

def switchPage(oldPage)
    if !oldPage.nil?
        oldPage.hide
        @mainLayout.removeWidget(oldPage)
    end

    newPage = @history.last
    @mainLayout.insertWidget(0, newPage)
    newPage.show
    newPage.setFocus

    @backButton.enabled = (@history.length != 1)
    if @history.length == @numPages
        @nextButton.enabled = false
        @finishButton.default = true
    else
        @nextButton.default = true
        @finishButton.enabled = false
    end

    setWindowTitle(tr("Simple Wizard - Step %d of %d" % 
                      [@history.length, @numPages] ) )
end