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from PyQt4 import QtGui
from colors import Colors
from demoitem import DemoItem
class DockItem(DemoItem):
UP, DOWN, LEFT, RIGHT = range(4)
def __init__(self, orien, x, y, width, length, scene=None, parent=None):
super(DockItem, self).__init__(scene, parent)
self.orientation = orien
self.width = width
self.length = length
self.setPos(x, y)
self.setZValue(40)
self.setupPixmap()
def setupPixmap(self):
self.pixmap = QtGui.QPixmap(int(self.boundingRect().width()),
int(self.boundingRect().height()))
self.pixmap.fill(QtGui.QColor(0, 0, 0, 0))
painter = QtGui.QPainter(self.pixmap)
# Create brush.
background = Colors.sceneBg1
brush = QtGui.QLinearGradient(0, 0, 0, self.boundingRect().height())
brush.setSpread(QtGui.QGradient.PadSpread)
if self.orientation == DockItem.DOWN:
brush.setColorAt(0.0, background)
brush.setColorAt(0.2, background)
background.setAlpha(0)
brush.setColorAt(1.0, background)
elif self.orientation == DockItem.UP:
brush.setColorAt(1.0, background)
brush.setColorAt(0.8, background)
background.setAlpha(0)
brush.setColorAt(0.0, background)
painter.fillRect(0, 0, int(self.boundingRect().width()),
int(self.boundingRect().height()), brush)
def boundingRect(self):
if self.orientation in (DockItem.UP, DockItem.DOWN):
return QtCore.QRectF(0, 0, self.length, self.width)
else:
return QtCore.QRectF(0, 0, self.width, self.length)
def paint(self, painter, option, widget):
painter.drawPixmap(0, 0, self.pixmap)
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