def paint(self, editor, node, column, object, paint_context):
painter, option, index = paint_context
data = self.get_data(object)
xs = np.linspace(0, option.rect.width(),
len(data)) + option.rect.left()
ys = (data.max() - data) / self.y_scale + option.rect.top()
height = option.rect.height()
plot_height = ys.ptp()
extra = height - plot_height
if bool(option.displayAlignment & QtCore.Qt.AlignVCenter):
ys += extra / 2
elif bool(option.displayAlignment & QtCore.Qt.Bottom):
ys += extra
if bool(option.state & QtGui.QStyle.State_Selected):
painter.fillRect(option.rect, option.palette.highlight())
points = [QtCore.QPointF(x, y) for x, y in zip(xs, ys)]
old_pen = painter.pen()
if bool(option.state & QtGui.QStyle.State_Selected):
painter.setPen(QtGui.QPen(option.palette.highlightedText(), 0))
try:
if qt_api.startswith('pyside'):
painter.drawPolyline(points)
else:
painter.drawPolyline(*points)
finally:
painter.setPen(old_pen)
return None
def test_vertical_mouse_wheel(self):
from pyface.qt import QtCore, QtGui
is_qt4 = (QtCore.__version_info__[0] <= 4)
# create and mock a mouse wheel event
if is_qt4:
qt_event = QtGui.QWheelEvent(QtCore.QPoint(0, 0), 200,
QtCore.Qt.NoButton,
QtCore.Qt.NoModifier,
QtCore.Qt.Vertical)
else:
qt_event = QtGui.QWheelEvent(
QtCore.QPointF(0, 0),
self.window.control.mapToGlobal(QtCore.QPoint(0, 0)),
QtCore.QPoint(0, 200), QtCore.QPoint(0, 200), 200,
QtCore.Qt.Vertical, QtCore.Qt.NoButton, QtCore.Qt.NoModifier,
QtCore.Qt.ScrollUpdate)
# dispatch event
self.window._on_mouse_wheel(qt_event)
# validate results
self.assertEqual(self.tool.event.mouse_wheel_axis, 'vertical')
self.assertAlmostEqual(self.tool.event.mouse_wheel, 5.0 / 3.0)
self.assertEqual(self.tool.event.mouse_wheel_delta, (0, 200))
def test_horizontal_mouse_wheel(self):
from pyface.qt import QtCore, QtGui, is_qt4, is_qt5
# create and mock a mouse wheel event
if is_qt4:
qt_event = QtGui.QWheelEvent(
QtCore.QPoint(0, 0), # pos
200, # delta
QtCore.Qt.NoButton, # buttons
QtCore.Qt.NoModifier, # modifiers
QtCore.Qt.Horizontal, # orient
)
elif is_qt5:
qt_event = QtGui.QWheelEvent(
QtCore.QPoint(0, 0), # pos
self.window.control.mapToGlobal(QtCore.QPoint(0,
0)), # globalPos
QtCore.QPoint(200, 0), # pixelDelta
QtCore.QPoint(200, 0), # angleDelta
200, # qt4Delta
QtCore.Qt.Horizontal, # qt4Orietation
QtCore.Qt.NoButton, # buttons
QtCore.Qt.NoModifier, # modifiers
QtCore.Qt.ScrollUpdate, # phase
)
else:
qt_event = QtGui.QWheelEvent(
QtCore.QPointF(0, 0), # pos
self.window.control.mapToGlobal(QtCore.QPointF(
0, 0)), # globalPos
QtCore.QPoint(200, 0), # pixelDelta
QtCore.QPoint(200, 0), # angleDelta
QtCore.Qt.NoButton, # buttons
QtCore.Qt.NoModifier, # modifiers
QtCore.Qt.ScrollUpdate, # phase
False, # inverted
)
# dispatch event
self.window._on_mouse_wheel(qt_event)
# validate results
self.assertEqual(self.tool.event.mouse_wheel_axis, "horizontal")
self.assertAlmostEqual(self.tool.event.mouse_wheel, 5.0 / 3.0)
self.assertEqual(self.tool.event.mouse_wheel_delta, (200, 0))
def show_text(self, text, point=None):
""" Draw text on the device at current text position.
This is also used for showing text at a particular point
specified by x and y.
"""
if point is None:
pos = tuple(self.text_pos)
else:
pos = tuple(point)
unflip_trans = QtGui.QTransform(*self.text_transform)
unflip_trans.translate(0, self._height)
unflip_trans.scale(1.0, -1.0)
self.gc.save()
self.gc.setTransform(unflip_trans, True)
self.gc.drawText(QtCore.QPointF(pos[0], self._flip_y(pos[1])), text)
self.gc.restore()
def show_text(self, text, point=None):
""" Draw text on the device at current text position.
This is also used for showing text at a particular point
specified by x and y.
"""
if point is None:
pos = tuple(self.text_pos)
else:
pos = tuple(point)
unflip_trans = QtGui.QTransform(*self.text_transform)
unflip_trans.translate(0, self._height)
unflip_trans.scale(1.0, -1.0)
# Make some temporary modifications to the state
with self:
# Kiva uses the fill color for text
brush = self.gc.brush()
self.gc.setPen(brush.color())
self.gc.setTransform(unflip_trans, True)
pos = QtCore.QPointF(pos[0], self._flip_y(pos[1]))
self.gc.drawText(pos, text)
