def mouse_exit(self, event):
'''
Mouse exited item.
This is a filtered event from super GuiControl.
Assert no button down (not a drag.)
Dynamic orthogonality.
A handle menu MIGHT follow the mouse in orthogonal directions,
if the handle menu is a TrackingHandleMenu AND we didn't hit a stop
(the limit of an edge of the controlee morph.)
Exit from item is EITHER in "menu exit" direction
OR in "menu change item" direction.
'''
# Calculate vector in DCS of mouse exit.
center = self.bounds.center_of()
exit_vector = vector.Point(event.x, event.y) - center
# normalize to manager's (the menu's) axis
norm_vect = vector.normalize_vector_to_vector(exit_vector, self.group_manager.layout_spec.vector)
if norm_vect.y > 10 or norm_vect.y < -10: # FIXME not hardcoded
# exited the side, which means close menu
self.close_manager()
else:
# Exited "change item" side of menu item.
# Tell manager to decide next action (another item, or close menu.)
self.group_manager.do_change_item(event, exit_vector)
def mouse_exit(self, event):
'''
Mouse exited item.
This is a filtered event from super GuiControl.
Assert no button down (not a drag.)
Dynamic orthogonality.
A handle menu MIGHT follow the mouse in orthogonal directions,
if the handle menu is a TrackingHandleMenu AND we didn't hit a stop
(the limit of an edge of the controlee morph.)
Exit from item is EITHER in "menu exit" direction
OR in "menu change item" direction.
'''
# Calculate vector in DCS of mouse exit.
center = self.bounds.center_of()
exit_vector = vector.Point(event.x, event.y) - center
# normalize to manager's (the menu's) axis
norm_vect = vector.normalize_vector_to_vector(
exit_vector, self.group_manager.layout_spec.vector)
if norm_vect.y > 10 or norm_vect.y < -10: # FIXME not hardcoded
# exited the side, which means close menu
self.close_manager()
else:
# Exited "change item" side of menu item.
# Tell manager to decide next action (another item, or close menu.)
self.group_manager.do_change_item(event, exit_vector)
def do_change_item(self, event, exit_vector):
'''
The mouse has exited an item in exit_vector.
Do next item or previous item or close menu.
!!! Note that handle menus slide sideways,
should not get an exit orthogonal to the menu vector.
FIXME make a handle menu slide around a corner
and make the menu_vector change as the menu slides along a curve.
'''
vect = vector.normalize_vector_to_vector(exit_vector, self.layout_spec.vector)
# Seems backwards, but since menu vector is opposite direction to layout, inverse sign
if vect.x > 0 :
self._change_item(event, 1)
else :
self._change_item(event, -1)
def pixels_off_menu_axis(self, event):
'''
Is mouse motion orthogonal (sideways) to menu axis?
Returns count of pixels off axis.
!!! Note that the sign indicates left(countercw) or right (clockwise)
of the menu axis, not a direction along the coordinate system.
'''
# Specific for horiz menus: return not event.y == self.get_center().y
# vector from menu origin to mouse event
menu_vector = self.group_manager.layout_spec.vector
menu_benchmark = self.group_manager.layout_spec.benchmark
mouse_vector = vector.Point(event.x, event.y) - menu_benchmark
# normalize to menu vector
normal_vector = vector.normalize_vector_to_vector(mouse_vector,
menu_vector)
# print "mouse", mouse_vector, "menu", menu_vector, "normal", normal_vector
return normal_vector.y
def do_change_item(self, event, exit_vector):
'''
The mouse has exited an item in exit_vector.
Do next item or previous item or close menu.
!!! Note that handle menus slide sideways,
should not get an exit orthogonal to the menu vector.
FIXME make a handle menu slide around a corner
and make the menu_vector change as the menu slides along a curve.
'''
vect = vector.normalize_vector_to_vector(exit_vector,
self.layout_spec.vector)
# Seems backwards, but since menu vector is opposite direction to layout, inverse sign
if vect.x > 0:
self._change_item(event, 1)
else:
self._change_item(event, -1)
def pixels_off_menu_axis(self, event):
'''
Is mouse motion orthogonal (sideways) to menu axis?
Returns count of pixels off axis.
!!! Note that the sign indicates left(countercw) or right (clockwise)
of the menu axis, not a direction along the coordinate system.
'''
# Specific for horiz menus: return not event.y == self.get_center().y
# vector from menu origin to mouse event
menu_vector = self.group_manager.layout_spec.vector
menu_benchmark = self.group_manager.layout_spec.benchmark
mouse_vector = vector.Point(event.x, event.y) - menu_benchmark
# normalize to menu vector
normal_vector = vector.normalize_vector_to_vector(
mouse_vector, menu_vector)
# print "mouse", mouse_vector, "menu", menu_vector, "normal", normal_vector
return normal_vector.y
