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authorTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-11-29 00:31:00 -0600
committerTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-11-29 00:31:00 -0600
commitb388516ca2691303a076a0764fd40bf7116fe43d (patch)
tree6f1615d1f12b325f4d1cd9c25d1519303794001a /examples2/dropsite.py
downloadpytqt-b388516ca2691303a076a0764fd40bf7116fe43d.tar.gz
pytqt-b388516ca2691303a076a0764fd40bf7116fe43d.zip
Initial import of python-qt3
Diffstat (limited to 'examples2/dropsite.py')
-rw-r--r--examples2/dropsite.py96
1 files changed, 96 insertions, 0 deletions
diff --git a/examples2/dropsite.py b/examples2/dropsite.py
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+++ b/examples2/dropsite.py
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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.setBackgroundColor(Qt.white)
+
+ def dragLeaveEvent( self, QDragLeaveEvent ):
+ # Give the user some feedback...
+ self.emit(PYSIGNAL('message(QString &)'), (QString(''),))
+ self.setBackgroundColor(Qt.lightGray)
+
+ def dropEvent( self, e ):
+ self.setBackgroundColor(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