def __init__(self, parent):
# initialize the super class
QWidget.__init__(self, parent)
self._hue = 0 # defines red color
self._saturation = 255
self._lightness = 255
self._alpha = 255
self._showAlpha = True
self._editing = None
def __init__( self, parent ):
# initialize the super class
QWidget.__init__( self, parent )
self._hue = 0 # defines red color
self._saturation = 255
self._lightness = 255
self._alpha = 255
self._showAlpha = True
self._editing = None
def mouseReleaseEvent(self, event):
if (self._editing and not self.signalsBlocked()):
self.editingFinished.emit()
self._editing = None
return QWidget.mouseReleaseEvent(self, event)
def mouseReleaseEvent( self, event ):
if ( self._editing and not self.signalsBlocked() ):
self.editingFinished.emit()
self._editing = None
return QWidget.mouseReleaseEvent( self,event )
def mouseMoveEvent(self, event):
# edit the color
if (self._editing == 'color'):
self.setSaturationAndLightnessFromPoint(event.pos())
# edit the alpha
elif (self._editing == 'alpha'):
self.setAlphaFromPoint(event.pos())
# edit the hue
elif (self._editing == 'hue'):
self.setHueFromPoint(event.pos())
return QWidget.mouseMoveEvent(self, event)
def mousePressEvent(self, event):
# edit the hue
r = self.hueRect()
if (r.contains(event.pos())):
self._editing = 'hue'
self.setHueFromPoint(event.pos())
return QWidget.mousePressEvent(self, event)
# edit the alpha
r = self.alphaRect()
if (r.contains(event.pos())):
self._editing = 'alpha'
self.setAlphaFromPoint(event.pos())
return QWidget.mousePressEvent(self, event)
# edit the color
r = self.colorRect()
if (r.contains(event.pos())):
self._editing = 'color'
self.setSaturationAndLightnessFromPoint(event.pos())
return QWidget.mousePressEvent(self, event)
return QWidget.mousePressEvent(self, event)
def mouseMoveEvent( self, event ):
# edit the color
if ( self._editing == 'color' ):
self.setSaturationAndLightnessFromPoint( event.pos() )
# edit the alpha
elif ( self._editing == 'alpha' ):
self.setAlphaFromPoint( event.pos() )
# edit the hue
elif ( self._editing == 'hue' ):
self.setHueFromPoint( event.pos() )
return QWidget.mouseMoveEvent( self, event )
def mousePressEvent( self, event ):
# edit the hue
r = self.hueRect()
if ( r.contains( event.pos() ) ):
self._editing = 'hue'
self.setHueFromPoint( event.pos() )
return QWidget.mousePressEvent( self, event )
# edit the alpha
r = self.alphaRect()
if ( r.contains( event.pos() ) ):
self._editing = 'alpha'
self.setAlphaFromPoint( event.pos() )
return QWidget.mousePressEvent( self, event )
# edit the color
r = self.colorRect()
if ( r.contains( event.pos() ) ):
self._editing = 'color'
self.setSaturationAndLightnessFromPoint( event.pos() )
return QWidget.mousePressEvent( self, event )
return QWidget.mousePressEvent( self, event )