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# This is part of the dragdrop example.
from qt import *
import secret
class DropSite(QLabel):
def __init__(self, parent=None, name=None):
QLabel.__init__( self, parent, name )
self.setAcceptDrops(1)
# this is a normal event
def mousePressEvent( self, e ):
if ( self.pixmap() ) :
drobj = QImageDrag( self.pixmap().convertToImage(), self )
pm = QPixmap()
pm.convertFromImage(self.pixmap().convertToImage().smoothScale(
self.pixmap().width()/3,self.pixmap().height()/3))
drobj.setPixmap(pm,QPoint(-5,-7))
else :
drobj = QTextDrag( self.text(), self )
drobj.dragCopy()
def backgroundColorChange( self, qcolor ):
# Reduce flicker by using repaint() rather than update()
self.repaint()
def dragMoveEvent( self, e ):
# Check if you want the drag at e.pos()...
# Give the user some feedback...
pass
def dragEnterEvent( self, e ):
# Check if you want the drag...
if (secret.canDecode( e ) or
QTextDrag.canDecode( e ) or
QImageDrag.canDecode( e ) or
QUriDrag.canDecode( e )):
e.accept()
# Give the user some feedback...
t = ''
i = 0
while e.format( i ):
if ( t != '' ):
t += "\n"
t += str(e.format( i ))
i += 1
self.emit(PYSIGNAL('message(QString &)'), (QString(t),))
self.setEraseColor(Qt.white)
def dragLeaveEvent( self, QDragLeaveEvent ):
# Give the user some feedback...
self.emit(PYSIGNAL('message(QString &)'), (QString(''),))
self.setEraseColor(Qt.lightGray)
def dropEvent( self, e ):
self.setEraseColor(Qt.lightGray)
# Try to decode to the data you understand...
str = QString()
if ( QTextDrag.decode( e, str ) ) :
self.setText( str )
self.setMinimumSize( self.minimumSize().expandedTo(self.sizeHint()) )
return
pm = QPixmap()
if ( QImageDrag.decode( e, pm ) ) :
self.setPixmap( pm )
self.setMinimumSize(self.minimumSize().expandedTo(self.sizeHint()))
return
# QStrList strings
#strings = QStrList()
strings = []
if ( QUriDrag.decode( e, strings ) ) :
m = QString("Full URLs:\n")
for u in strings:
m = m + " " + u + '\n'
# QStringList files
files = []
if ( QUriDrag.decodeLocalFiles( e, files ) ) :
m += "Files:\n"
# for (QStringList.Iterator i=files.begin() i!=files.end() ++i)
for i in files:
m = m + " " + i + '\n'
self.setText( m )
self.setMinimumSize(self.minimumSize().expandedTo(self.sizeHint()))
return
str = secret.decode( e )
if str:
self.setText( str )
self.setMinimumSize(self.minimumSize().expandedTo(self.sizeHint()))
return
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