Class: DropSiteWindow

Inherits:
Qt::Widget show all
Defined in:
ext/ruby/qtruby/examples/draganddrop/dropsite/dropsitewindow.rb

Instance Method Summary collapse

Methods inherited from Qt::Widget

#raise

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) ⇒ DropSiteWindow

Returns a new instance of DropSiteWindow.



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# File 'ext/ruby/qtruby/examples/draganddrop/dropsite/dropsitewindow.rb', line 32

def initialize(parent = nil)
    super(parent)
    @abstractLabel = Qt::Label.new(tr("The Drop Site example accepts drops from other " \
                                  "applications, and displays the MIME formats " \
                                  "provided by the drag object."))
    @abstractLabel.wordWrap = true
    @abstractLabel.adjustSize()

    @dropArea = DropArea.new
    connect(@dropArea, SIGNAL('changed(const QMimeData*)'),
            self, SLOT('updateFormatsTable(const QMimeData*)'))

    labels = []
    labels << tr("Format") << tr("Content")

    @formatsTable = Qt::TableWidget.new
       @formatsTable.setColumnCount(2)
       @formatsTable.setEditTriggers(Qt::AbstractItemView::NoEditTriggers)
       @formatsTable.setHorizontalHeaderLabels(labels)
       @formatsTable.horizontalHeader.setStretchLastSection(true)

    @quitButton = Qt::PushButton.new(tr("Quit"))
    @clearButton = Qt::PushButton.new(tr("Clear"))

       @buttonBox = Qt::DialogButtonBox.new
       @buttonBox.addButton(@clearButton, Qt::DialogButtonBox::ActionRole)
       @buttonBox.addButton(@quitButton, Qt::DialogButtonBox::RejectRole)

    connect(@quitButton, SIGNAL('pressed()'), self, SLOT('close()'))
    connect(@clearButton, SIGNAL('pressed()'), @dropArea, SLOT('clear()'))

    @layout = Qt::VBoxLayout.new do |l|
		l.addWidget(@abstractLabel)
		l.addWidget(@dropArea)
		l.addWidget(@formatsTable)
		l.addWidget(@buttonBox)
	end

    setLayout(@layout)
    setWindowTitle(tr("Drop Site"))
    setMinimumSize(350, 500)
end

Instance Method Details

#updateFormatsTable(mimeData = nil) ⇒ Object 



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# File 'ext/ruby/qtruby/examples/draganddrop/dropsite/dropsitewindow.rb', line 75

def updateFormatsTable(mimeData = nil)
    @formatsTable.rowCount = 0

    if mimeData.nil?
        return
	end

    formats = mimeData.formats()

    formats.each do |format|
        formatItem = Qt::TableWidgetItem.new(format)
        formatItem.flags = Qt::ItemIsEnabled
        formatItem.textAlignment = Qt::AlignTop | Qt::AlignLeft
	
        text = ""
        if format == "text/plain"
               text = mimeData.text.simplified
           elsif format == "text/html"
               text = mimeData.text.simplified
           elsif format == "text/uri-list"
               urlList = mimeData.urls
               urlList.each do |url|
                   text << url.path + " "
               end
        else
            data = mimeData.data(format)
            hexdata = ""
               data.to_s.each_byte { |b| hexdata << ("%2.2x " % b) }
            text << hexdata
        end

        row = @supportedFormats.rowCount()
        @formatsTable.insertRow(row)
        @formatsTable.setItem(row, 0, Qt::TabelWidgetItem.new(format))
        @formatsTable.setItem(row, 1, Qt::TabelWidgetItem.new(text))
    end

    @formatsTable.resizeColumnToContents(0)
end