def load_cursor(filename, hotX=-1, hotY=-1):
renderer = QtSvg.QSvgRenderer(filename)
pm = QtGui.QPixmap(16, 16)
pm.fill(QtCore.Qt.transparent)
painter = QtGui.QPainter(pm)
renderer.render(painter)
del painter, renderer
return QtGui.QCursor(pm, hotX, hotY)
def paintEvent(self, event):
super(ColorButton, self).paintEvent(event)
padding = 5
rect = event.rect()
painter = QtGui.QPainter(self)
painter.setBrush(QtGui.QBrush(self.color))
painter.setPen(QtGui.QColor("#CECECE"))
rect.adjust(
padding, padding,
-1-padding, -1-padding)
painter.drawRect(rect)
def crosshair_cursor():
if os.name == 'nt':
# On windows, cursors support "inversion" mode, where they invert the
# underlying color. This is achived with two bitmap.
# Final cursor has mask all 0
# When main bitmap is 0, this means transparent, when 1, inversion.
bm = QtGui.QBitmap(16, 16)
ma = QtGui.QBitmap(16, 16)
bm.clear()
ma.clear()
# Paint a crosshair on the main bitmap with color1.
pbm = QtGui.QPainter(bm)
pbm.setPen(QtCore.Qt.color1)
pbm.drawLine(8, 0, 8, 15)
pbm.drawLine(0, 8, 15, 8)
pbm.setPen(QtCore.Qt.color0)
pbm.drawPoint(8, 8)
pbm.end()
return QtGui.QCursor(bm, ma, 8, 8)
else:
fn = os.path.dirname(__file__) + '/images/picker.svg'
return load_cursor(fn, 8, 8)
