def set_clipboard_image(self):
"""Export the formatted output to an image and store it in the
clipboard.
The image stored in the clipboard is a PNG file with alpha
transparency.
"""
div = self.view.page().mainFrame().findFirstElement('.output')
images = {}
for background in (Qt.transparent, Qt.white):
image = QImage(div.geometry().size(),
QImage.Format_ARGB32_Premultiplied)
image.fill(background)
painter = QPainter(image)
div.render(painter)
painter.end()
images[background] = image
# Windows needs this buffer hack to get alpha transparency in
# the copied PNG.
buffer_ = QBuffer()
buffer_.open(QIODevice.WriteOnly)
images[Qt.transparent].save(buffer_, 'PNG')
buffer_.close()
data = QMimeData()
data.setData('PNG', buffer_.data())
data.setImageData(images[Qt.white])
QApplication.clipboard().setMimeData(data)
def copy(self):
"""Copy to the clipboard"""
data = QMimeData()
text = '\n'.join([cursor.selectedText() \
for cursor in self.cursors()])
data.setText(text)
data.setData(self.MIME_TYPE, text.encode('utf8'))
QApplication.clipboard().setMimeData(data)
def mimeData(self, indexes):
"""Encodes ``indexes`` as mime data for dragging."""
# serialize data as xml
root = etree.Element('stringlist')
for index in indexes:
element = self._get_element_for_index(index)
root.append(deepcopy(element))
serialized = etree.tostring(root, xml_declaration=True)
mimedata = QMimeData()
mimedata.setData('text/xml', serialized)
return mimedata
