def _create_mouse_event(self, event):
"Convert a GUI toolkit mouse event into a MouseEvent"
if event is not None:
x = event.GetX()
y = event.GetY()
self._last_mouse_pos = (x, y)
mouse_wheel = (
(float(event.GetLinesPerAction()) * event.GetWheelRotation()) /
(event.GetWheelDelta() or 1))
wheel_axis = MOUSE_WHEEL_AXIS_MAP[event.GetWheelAxis()]
if wheel_axis == 'horizontal':
mouse_wheel_delta = (mouse_wheel * 120 / 200., 0)
else:
mouse_wheel_delta = (0, mouse_wheel * 120 / 200.)
# Note: The following code fixes a bug in wxPython that returns
# 'mouse_wheel' events in screen coordinates, rather than window
# coordinates:
if float(wx.VERSION_STRING[:3]) < 2.8:
if mouse_wheel != 0 and sys.platform == "win32":
x, y = self.control.ScreenToClientXY(x, y)
return MouseEvent(
x=x,
y=self._flip_y(y),
alt_down=event.AltDown(),
control_down=event.ControlDown(),
shift_down=event.ShiftDown(),
left_down=event.LeftIsDown(),
middle_down=event.MiddleIsDown(),
right_down=event.RightIsDown(),
mouse_wheel=mouse_wheel,
mouse_wheel_axis=wheel_axis,
window=self,
)
# If no event specified, make one up:
x, y = wx.GetMousePosition()
x, y = self.control.ScreenToClientXY(x, y)
self._last_mouse_pos = (x, y)
return MouseEvent(x=x,
y=self._flip_y(y),
alt_down=self.alt_pressed,
control_down=self.ctrl_pressed,
shift_down=self.shift_pressed,
left_down=False,
middle_down=False,
right_down=False,
mouse_wheel=0,
window=self)
def _create_mouse_event(self, event):
""" Convert a GUI toolkit mouse event into a MouseEvent
"""
if event is not None:
x = event.GetX()
y = event.GetY()
self._last_mouse_pos = (x, y)
mouse_wheel = (float(event.GetLinesPerAction()) *
event.GetWheelRotation()) / (event.GetWheelDelta()
or 1)
wheel_axis = MOUSE_WHEEL_AXIS_MAP[event.GetWheelAxis()]
if wheel_axis == "horizontal":
mouse_wheel_delta = (mouse_wheel * 120 / 200.0, 0)
else:
mouse_wheel_delta = (0, mouse_wheel * 120 / 200.0)
return MouseEvent(
x=x,
y=self._flip_y(y),
alt_down=event.AltDown(),
control_down=event.ControlDown(),
shift_down=event.ShiftDown(),
left_down=event.LeftIsDown(),
middle_down=event.MiddleIsDown(),
right_down=event.RightIsDown(),
mouse_wheel=mouse_wheel,
mouse_wheel_axis=wheel_axis,
mouse_wheel_delta=mouse_wheel_delta,
window=self,
)
# If no event specified, make one up:
x, y = wx.GetMousePosition()
x, y = self.control.ScreenToClientXY(x, y)
self._last_mouse_pos = (x, y)
return MouseEvent(
x=x,
y=self._flip_y(y),
alt_down=self.alt_pressed,
control_down=self.ctrl_pressed,
shift_down=self.shift_pressed,
left_down=False,
middle_down=False,
right_down=False,
mouse_wheel=0,
window=self,
)
def _create_mouse_event(self, event):
# If the control no longer exists, don't send mouse event
if self.control is None:
return None
# If the event (if there is one) doesn't contain the mouse position,
# modifiers and buttons then get sensible defaults.
try:
x = event.x()
y = event.y()
modifiers = event.modifiers()
buttons = event.buttons()
except AttributeError:
pos = self.control.mapFromGlobal(QtGui.QCursor.pos())
x = pos.x()
y = pos.y()
modifiers = 0
buttons = 0
self.control.handler.last_mouse_pos = (x, y)
# A bit crap, because AbstractWindow was written with wx in mind, and
# we treat wheel events like mouse events.
if isinstance(event, QtGui.QWheelEvent):
degrees_per_step = 15.0
if is_qt4:
delta = event.delta()
mouse_wheel = delta / float(8 * degrees_per_step)
mouse_wheel_axis = MOUSE_WHEEL_AXIS_MAP[event.orientation()]
if mouse_wheel_axis == 'horizontal':
mouse_wheel_delta = (delta, 0)
else:
mouse_wheel_delta = (0, delta)
else:
delta = event.pixelDelta()
mouse_wheel_delta = (delta.x(), delta.y())
if abs(mouse_wheel_delta[0]) > abs(mouse_wheel_delta[1]):
mouse_wheel = mouse_wheel_delta[0] / float(8 * degrees_per_step)
mouse_wheel_axis = 'horizontal'
else:
mouse_wheel = mouse_wheel_delta[1] / float(8 * degrees_per_step)
mouse_wheel_axis = 'vertical'
else:
mouse_wheel = 0
mouse_wheel_delta = (0, 0)
mouse_wheel_axis = 'vertical'
return MouseEvent(
x=x,
y=self._flip_y(y),
mouse_wheel=mouse_wheel,
mouse_wheel_axis=mouse_wheel_axis,
mouse_wheel_delta=mouse_wheel_delta,
alt_down=bool(modifiers & QtCore.Qt.AltModifier),
shift_down=bool(modifiers & QtCore.Qt.ShiftModifier),
control_down=bool(modifiers & QtCore.Qt.ControlModifier),
left_down=bool(buttons & QtCore.Qt.LeftButton),
middle_down=bool(buttons & QtCore.Qt.MidButton),
right_down=bool(buttons & QtCore.Qt.RightButton),
window=self
)
def _create_mouse_event(self, event):
""" Convert a Pyglet mouse event into an Enable MouseEvent.
Since Pyglet doesn't actually have a mouse event object like WX or Qt,
PygletWindow actually does most of the work of creating an Enable
MouseEvent when various things happen, and calls
AbstractWindow._handle_mouse_event with that object.
_handle_mouse_event() then calls this method with that object.
AbstractWindow._on_window_leave() also calls this method.
"""
if event is not None:
x = event.x
y = event.y
self._last_mouse_pos = (x, y)
mouse = pyglet.window.mouse
buttons = event.buttons
if buttons is None:
buttons = 0
return MouseEvent(x=x,
y=y,
alt_down=event.alt_pressed,
control_down=event.ctrl_pressed,
shift_down=event.shift_pressed,
left_down=bool(mouse.LEFT & buttons),
middle_down=bool(mouse.MIDDLE & buttons),
right_down=bool(mouse.RIGHT & buttons),
mouse_wheel=event.scroll_y,
window=self)
else:
# If no event specified, make one up:
x = self.control._mouse_x
y = self.control._mouse_y
self._last_mouse_pos = (x, y)
return MouseEvent(x=x,
y=y,
alt_down=event.alt_pressed,
control_down=event.ctrl_pressed,
shift_down=event.shift_pressed,
left_down=False,
middle_down=False,
right_down=False,
mouse_wheel=0,
window=self)
def create_mouse_event(self, **kwargs):
""" Creates a MouseEvent() with the specified attributes.
"""
# provide defaults for all key shift states
event_attributes = {
# key shift states
'alt_down': False,
'control_down': False,
'shift_down': False,
}
event_attributes.update(**kwargs)
event = MouseEvent(**event_attributes)
return event
def create_mouse_event(self, **kwargs):
""" Creates a MouseEvent() with the specified attributes.
"""
# provide defaults for all key shift states
event_attributes = {
# key shift states
"alt_down": False,
"control_down": False,
"shift_down": False,
"mouse_wheel": 0,
"mouse_wheel_axis": "vertical",
}
event_attributes.update(**kwargs)
event = MouseEvent(**event_attributes)
return event
def _create_mouse_event(self, event):
# If the control no longer exists, don't send mouse event
if self.control is None:
return None
# If the event (if there is one) doesn't contain the mouse position,
# modifiers and buttons then get sensible defaults.
try:
x = event.x()
y = event.y()
modifiers = event.modifiers()
buttons = event.buttons()
except AttributeError:
pos = self.control.mapFromGlobal(QtGui.QCursor.pos())
x = pos.x()
y = pos.y()
modifiers = 0
buttons = 0
self.control.handler.last_mouse_pos = (x, y)
# A bit crap, because AbstractWindow was written with wx in mind, and
# we treat wheel events like mouse events.
if isinstance(event, QtGui.QWheelEvent):
delta = event.angleDelta()
degrees_per_step = 15.0
mouse_wheel = delta / float(8 * degrees_per_step)
else:
mouse_wheel = 0
return MouseEvent(x=x,
y=self._flip_y(y),
mouse_wheel=mouse_wheel,
alt_down=bool(modifiers & QtCore.Qt.AltModifier),
shift_down=bool(modifiers & QtCore.Qt.ShiftModifier),
control_down=bool(modifiers
& QtCore.Qt.ControlModifier),
left_down=bool(buttons & QtCore.Qt.LeftButton),
middle_down=bool(buttons & QtCore.Qt.MidButton),
right_down=bool(buttons & QtCore.Qt.RightButton),
window=self)
warnings.warn("pyface.wx is unavailable", ImportWarning)
clipboard = None
PythonDropTarget = None
# -----------------------------------------------------------------------------
# Constants:
# -----------------------------------------------------------------------------
# Number of pixels to scroll at a time:
scroll_incr = 16
# Reusable instance to avoid constructor/destructor overhead:
wx_rect = wx.Rect(0, 0, 0, 0)
# Default 'fake' start event for wxPython based drag operations:
default_start_event = MouseEvent()
# To conserve system resources, there is only one 'timer' per program:
system_timer = None
class EnableTimer(wx.Timer):
""" This class maintains a 'work list' of scheduled components, where
each item in the list has the form: [ component, interval, timer_pop_time ]
"""
def __init__(self):
wx.Timer.__init__(self)
self._work_list = []
def schedule(self, component, interval):
""" Schedule a timer event for a specified component