class Dialog

# File examples/dialogs/standarddialogs/dialog.rb, line 45
def initialize(parent = nil)
    super(parent)

    @message = tr("<p>Message boxes have a caption, a text, " +
               "and up to three buttons, each with standard or custom texts." +
               "<p>Click a button or press Esc.")

    @errorMessageDialog = Qt::ErrorMessage.new(self)

    frameStyle = Qt::Frame::Sunken | Qt::Frame::Panel

    @integerLabel = Qt::Label.new
    @integerLabel.frameStyle = frameStyle
    integerButton = Qt::PushButton.new(tr("Qt::InputDialog.get&Integer()"))

    @doubleLabel = Qt::Label.new
    @doubleLabel.frameStyle = frameStyle
    doubleButton =
            Qt::PushButton.new(tr("Qt::InputDialog.get&Double()"))

    @itemLabel = Qt::Label.new
    @itemLabel.frameStyle = frameStyle
    itemButton = Qt::PushButton.new(tr("Qt::InputDialog.getIte&m()"))

    @textLabel = Qt::Label.new
    @textLabel.frameStyle = frameStyle
    textButton = Qt::PushButton.new(tr("Qt::InputDialog.get&Text()"))

    @colorLabel = Qt::Label.new
    @colorLabel.frameStyle = frameStyle
    colorButton = Qt::PushButton.new(tr("Qt::ColorDialog.get&Color()"))

    @fontLabel = Qt::Label.new
    @fontLabel.frameStyle = frameStyle
    fontButton = Qt::PushButton.new(tr("Qt::tFontDialog.get&Font()"))

    @directoryLabel = Qt::Label.new
    @directoryLabel.frameStyle = frameStyle
    directoryButton =
            Qt::PushButton.new(tr("Qt::FileDialog.getE&xistingDirectory()"))

    @openFileNameLabel = Qt::Label.new
    @openFileNameLabel.frameStyle = frameStyle
    openFileNameButton =
            Qt::PushButton.new(tr("Qt::FileDialog.get&OpenFileName()"))

    @openFileNamesLabel = Qt::Label.new
    @openFileNamesLabel.frameStyle = frameStyle
    openFileNamesButton =
            Qt::PushButton.new(tr("Qt::File&Dialog.getOpenFileNames()"))

    @saveFileNameLabel = Qt::Label.new
    @saveFileNameLabel.frameStyle = frameStyle
    saveFileNameButton =
            Qt::PushButton.new(tr("Qt::FileDialog.get&SaveFileName()"))

    @criticalLabel = Qt::Label.new
    @criticalLabel.frameStyle = frameStyle
    criticalButton =
            Qt::PushButton.new(tr("Qt::MessageBox.critica&l()"))

    @informationLabel = Qt::Label.new
    @informationLabel.frameStyle = frameStyle
    informationButton =
            Qt::PushButton.new(tr("Qt::MessageBox.i&nformation()"))

    @questionLabel = Qt::Label.new
    @questionLabel.frameStyle = frameStyle
    questionButton =
            Qt::PushButton.new(tr("Qt::MessageBox.&question()"))

    @warningLabel = Qt::Label.new
    @warningLabel.frameStyle = frameStyle
    warningButton = Qt::PushButton.new(tr("Qt::MessageBox.&warning()"))

    @errorLabel = Qt::Label.new
    @errorLabel.frameStyle = frameStyle
    errorButton =
            Qt::PushButton.new(tr("Qt::ErrorMessage.show&M&essage()"))

    connect(integerButton, SIGNAL('clicked()'), self, SLOT('setInteger()'))
    connect(doubleButton, SIGNAL('clicked()'), self, SLOT('setDouble()'))
    connect(itemButton, SIGNAL('clicked()'), self, SLOT('setItem()'))
    connect(textButton, SIGNAL('clicked()'), self, SLOT('setText()'))
    connect(colorButton, SIGNAL('clicked()'), self, SLOT('setColor()'))
    connect(fontButton, SIGNAL('clicked()'), self, SLOT('setFont()'))
    connect(directoryButton, SIGNAL('clicked()'),
            self, SLOT('setExistingDirectory()'))
    connect(openFileNameButton, SIGNAL('clicked()'),
            self, SLOT('setOpenFileName()'))
    connect(openFileNamesButton, SIGNAL('clicked()'),
            self, SLOT('setOpenFileNames()'))
    connect(saveFileNameButton, SIGNAL('clicked()'),
            self, SLOT('setSaveFileName()'))
    connect(criticalButton, SIGNAL('clicked()'), self, SLOT('criticalMessage()'))
    connect(informationButton, SIGNAL('clicked()'),
            self, SLOT('informationMessage()'))
    connect(questionButton, SIGNAL('clicked()'), self, SLOT('questionMessage()'))
    connect(warningButton, SIGNAL('clicked()'), self, SLOT('warningMessage()'))
    connect(errorButton, SIGNAL('clicked()'), self, SLOT('errorMessage()'))

    self.layout = Qt::GridLayout.new do |l|
        l.setColumnStretch(1, 1)
        l.setColumnMinimumWidth(1, 250)
        l.addWidget(integerButton, 0, 0)
        l.addWidget(@integerLabel, 0, 1)
        l.addWidget(doubleButton, 1, 0)
        l.addWidget(@doubleLabel, 1, 1)
        l.addWidget(itemButton, 2, 0)
        l.addWidget(@itemLabel, 2, 1)
        l.addWidget(textButton, 3, 0)
        l.addWidget(@textLabel, 3, 1)
        l.addWidget(colorButton, 4, 0)
        l.addWidget(@colorLabel, 4, 1)
        l.addWidget(fontButton, 5, 0)
        l.addWidget(@fontLabel, 5, 1)
        l.addWidget(directoryButton, 6, 0)
        l.addWidget(@directoryLabel, 6, 1)
        l.addWidget(openFileNameButton, 7, 0)
        l.addWidget(@openFileNameLabel, 7, 1)
        l.addWidget(openFileNamesButton, 8, 0)
        l.addWidget(@openFileNamesLabel, 8, 1)
        l.addWidget(saveFileNameButton, 9, 0)
        l.addWidget(@saveFileNameLabel, 9, 1)
        l.addWidget(criticalButton, 10, 0)
        l.addWidget(@criticalLabel, 10, 1)
        l.addWidget(informationButton, 11, 0)
        l.addWidget(@informationLabel, 11, 1)
        l.addWidget(questionButton, 12, 0)
        l.addWidget(@questionLabel, 12, 1)
        l.addWidget(warningButton, 13, 0)
        l.addWidget(@warningLabel, 13, 1)
        l.addWidget(errorButton, 14, 0)
        l.addWidget(@errorLabel, 14, 1)
    end

    self.windowTitle = tr("Standard Dialogs")
end

# File examples/network/loopback/dialog.rb, line 101
def acceptConnection()
    @tcpServerConnection = @tcpServer.nextPendingConnection
    connect(@tcpServerConnection, SIGNAL(:readyRead),
            self, SLOT(:updateServerProgress))
    connect(@tcpServerConnection, SIGNAL('error(QAbstractSocket::SocketError)'),
            self, SLOT('displayError(QAbstractSocket::SocketError)'))

    @serverStatusLabel.text = tr("Accepted connection")
    @tcpServer.close()
end

# File examples/layouts/basiclayouts/dialog.rb, line 90
def createGridGroupBox()
    @gridGroupBox = Qt::GroupBox.new(tr("Grid layout"))
    layout = Qt::GridLayout.new

        (0...NumGridRows).each do |i|
                @labels[i] = Qt::Label.new(tr("Line %d:" % (i + 1)))
                @lineEdits[i] = Qt::LineEdit.new
                layout.addWidget(@labels[i], i, 0)
                layout.addWidget(@lineEdits[i], i, 1)
    end

    @smallEditor = Qt::TextEdit.new
    @smallEditor.setPlainText(tr("This widget takes up about two thirds of the " +
                                 "grid layout."))
    layout.addWidget(@smallEditor, 0, 2, 3, 1)

    layout.setColumnStretch(1, 10)
    layout.setColumnStretch(2, 20)
    @gridGroupBox.layout = layout
end

# File examples/layouts/basiclayouts/dialog.rb, line 79
def createHorizontalGroupBox()
    @horizontalGroupBox = Qt::GroupBox.new(tr("Horizontal layout"))
    layout = Qt::HBoxLayout.new

        (0...NumButtons).each do |i|
        @buttons[i] = Qt::PushButton.new(tr("Button %d" % (i + 1)))
                layout.addWidget(@buttons[i])
    end
    @horizontalGroupBox.layout = layout
end

# File examples/layouts/basiclayouts/dialog.rb, line 69
def createMenu()
    @menuBar = Qt::MenuBar.new

    @fileMenu = Qt::Menu.new(tr("&File"), self)
    @exitAction = @fileMenu.addAction(tr("E&xit"))
    @menuBar.addMenu(@fileMenu)

    connect(@exitAction, SIGNAL('triggered()'), self, SLOT('accept()'))
end

# File examples/dialogs/standarddialogs/dialog.rb, line 282
def criticalMessage()
    reply = Qt::MessageBox::critical(self, tr("Qt::MessageBox.showCritical()"),
                                      @message,
                                      Qt::MessageBox::Abort,
                                      Qt::MessageBox::Retry,
                                      Qt::MessageBox::Ignore)
    if reply == Qt::MessageBox::Abort
        @criticalLabel.text = tr("Abort")
    elsif reply == Qt::MessageBox::Retry
        @criticalLabel.text = tr("Retry")
    else
        @criticalLabel.text = tr("Ignore")
    end
end

# File examples/network/loopback/dialog.rb, line 145
def displayError(socketError)
    if socketError == Qt::TcpSocket::RemoteHostClosedError
        return
        end

    Qt::MessageBox.information(self, tr("Network error"),
                             tr("The following error occurred: %s." %
                                 tcpClient.errorString))

    @tcpClient.close
    @tcpServer.close
    @clientProgressBar.reset
    @serverProgressBar.reset
    @clientStatusLabel.text = tr("Client ready")
    @serverStatusLabel.text = tr("Server ready")
    @startButton.enabled = true
    Qt::Application.restoreOverrideCursor
end

# File examples/dialogs/standarddialogs/dialog.rb, line 329
def errorMessage()
    @errorMessageDialog.showMessage(
            tr("This dialog shows and remembers error messages. " +
               "If the checkbox is checked (as it is by default), " +
               "the shown message will be shown again, " +
               "but if the user unchecks the box the message " +
               "will not appear again if Qt::ErrorMessage.showMessage() " +
               "is called with the same message."))
    @errorLabel.text = tr("If the box is unchecked, the message " +
                           "won't appear again.")
end

# File examples/dialogs/standarddialogs/dialog.rb, line 297
def informationMessage()
    Qt::MessageBox::information(self, tr("Qt::MessageBox.showInformation()"), @message)
    @informationLabel.text = tr("Closed with OK or Esc")
end

# File examples/dialogs/standarddialogs/dialog.rb, line 302
def questionMessage()
    reply = Qt::MessageBox.question(self, tr("Qt::MessageBox.showQuestion()"),
                                      @message,
                                      Qt::MessageBox::Yes,
                                      Qt::MessageBox::No,
                                      Qt::MessageBox::Cancel)
    if reply == Qt::MessageBox::Yes
        @questionLabel.text = tr("Yes")
    elsif reply == Qt::MessageBox::No
        @questionLabel.text = tr("No")
    else
        @questionLabel.text = tr("Cancel")
    end
end

# File examples/dialogs/standarddialogs/dialog.rb, line 224
def setColor()
    color = Qt::ColorDialog.getColor(Qt::Color.new(Qt::green), self)
    if color.isValid()
        @colorLabel.text = color.name
        @colorLabel.palette = Qt::Palette.new(color)
    end
end

# File examples/dialogs/standarddialogs/dialog.rb, line 193
def setDouble()
    ok = Qt::Boolean.new
    d = Qt::InputDialog.getDouble(self, tr("Qt::InputDialog.getDouble()"),
                                       tr("Amount:"), 37.56, -10000, 10000, 2, ok)
    if ok
        @doubleLabel.text = "$%f" % d
    end
end

# File examples/dialogs/standarddialogs/dialog.rb, line 240
def setExistingDirectory()
    directory = Qt::FileDialog.getExistingDirectory(self,
                                tr("Qt::FileDialog.getExistingDirectory()"),
                                @directoryLabel.text,
                                Qt::FileDialog::DontResolveSymlinks |
                                Qt::FileDialog::ShowDirsOnly)
    if !directory.nil?
        @directoryLabel.text = directory
    end
end

# File examples/dialogs/standarddialogs/dialog.rb, line 232
def setFont()
    ok = Qt::Boolean.new
    font = Qt::FontDialog.getFont(ok, Qt::Font.new(@fontLabel.text), self)
    if ok
        @fontLabel.text = font.key()
    end
end

# File examples/dialogs/standarddialogs/dialog.rb, line 184
def setInteger()
    ok = Qt::Boolean.new
    i = Qt::InputDialog.getInteger(self, tr("Qt::InputDialog.getInteger()"),
                                     tr("Percentage:"), 25, 0, 100, 1, ok)
    if ok
        @integerLabel.text = tr("%d%" % i)
    end
end

# File examples/dialogs/standarddialogs/dialog.rb, line 202
def setItem()
    items = []
    items << tr("Spring") << tr("Summer") << tr("Fall") << tr("Winter")

    ok = Qt::Boolean.new
    item = Qt::InputDialog.getItem(self, tr("Qt::InputDialog.getItem()"),
                                         tr("Season:"), items, 0, false, ok)
    if ok && !item.nil?
        @itemLabel.text = item
    end
end

# File examples/dialogs/standarddialogs/dialog.rb, line 251
def setOpenFileName()
    fileName = Qt::FileDialog.getOpenFileName(self,
                                tr("Qt::FileDialog.getOpenFileName()"),
                                @openFileNameLabel.text,
                                tr("All Files (*);;Text Files (*.txt)"))
    if !fileName.nil?
        @openFileNameLabel.text = fileName
    end
end

# File examples/dialogs/standarddialogs/dialog.rb, line 261
def setOpenFileNames()
    files = Qt::FileDialog.getOpenFileNames(
                                self, tr("Qt::FileDialog.getOpenFileNames()"),
                                @openFilesPath,
                                tr("All Files (*);;Text Files (*.txt)"))
    if files.length != 0
        @openFilesPath = files[0]
        @openFileNamesLabel.text = "[%s]" % files.join(", ")
    end
end

# File examples/dialogs/standarddialogs/dialog.rb, line 272
def setSaveFileName()
    fileName = Qt::FileDialog.getSaveFileName(self,
                                tr("Qt::FileDialog.getSaveFileName()"),
                                @saveFileNameLabel.text,
                                tr("All Files (*);;Text Files (*.txt)"))
    if !fileName.nil?
        @saveFileNameLabel.text = fileName
    end
end

# File examples/dialogs/standarddialogs/dialog.rb, line 214
def setText()
    ok = Qt::Boolean.new
    text = Qt::InputDialog.getText(self, tr("Qt::InputDialog.getText()"),
                                         tr("User name:"), Qt::LineEdit::Normal,
                                         Qt::Dir::home().dirName(), ok)
    if ok && !text.nil?
        @textLabel.text = text
    end
end

# File examples/network/loopback/dialog.rb, line 77
def start()
    @startButton.enabled = false

    Qt::Application.overrideCursor = Qt::Cursor.new(Qt::WaitCursor)

    @bytesWritten = 0
    @bytesReceived = 0

    while !@tcpServer.isListening && !@tcpServer.listen do
        ret = Qt::MessageBox.critical(self, tr("Loopback"),
                                        tr("Unable to start the test: %s." % @tcpServer.errorString),
                                        Qt::MessageBox::Retry,
                                                            Qt::MessageBox::Cancel)
        if ret == Qt::MessageBox::Cancel
            return
                end
    end

    @serverStatusLabel.text = tr("Listening")
    @clientStatusLabel.text = tr("Connecting")
    @tcpClient.connectToHost(Qt::HostAddress.new(Qt::HostAddress::LocalHost), 
                                                        @tcpServer.serverPort)
end

# File examples/network/loopback/dialog.rb, line 112
def startTransfer()
    @bytesToWrite = TotalBytes - @tcpClient.write(Qt::ByteArray.new('@' * PayloadSize))
    @clientStatusLabel.text = tr("Connected")
end

# File examples/network/loopback/dialog.rb, line 133
def updateClientProgress(numBytes)
    @bytesWritten += numBytes
    if @bytesToWrite > 0
        @bytesToWrite -= @tcpClient.write(Qt::ByteArray.new('@' * [@bytesToWrite, PayloadSize].min))
        end

    @clientProgressBar.maximum = TotalBytes
    @clientProgressBar.value = @bytesWritten
    @clientStatusLabel.text = tr("Sent %dMB" % 
                                 (@bytesWritten / (1024 * 1024)) )
end

# File examples/network/loopback/dialog.rb, line 117
def updateServerProgress()
    @bytesReceived += @tcpServerConnection.bytesAvailable
    @tcpServerConnection.readAll()

    @serverProgressBar.maximum = TotalBytes
    @serverProgressBar.value = @bytesReceived
    @serverStatusLabel.text = tr("Received %dMB" %
                                  (@bytesReceived / (1024 * 1024)))

    if @bytesReceived == TotalBytes
        @tcpServerConnection.close
        @startButton.enabled = true
        Qt::Application.restoreOverrideCursor
    end
end

# File examples/dialogs/standarddialogs/dialog.rb, line 317
def warningMessage()
    reply = Qt::MessageBox.warning(self, tr("Qt::MessageBox.showWarning()"),
                                     @message,
                                     tr("Save &Again"),
                                     tr("&Continue"))
    if reply == 0
        @warningLabel.text = tr("Save Again")
    else
        @warningLabel.text = tr("Continue")
    end
end