def mouseMoveEvent(self, event):
'''
Inform the scene viewer of a mouse move event and update the OpenGL scene to reflect this
change to the viewport.
'''
event.accept()
if not self._ignore_mouse_events and self._selection_mode != SelectionMode.NONE:
x = event.x()
y = event.y()
xdiff = float(x - self._selection_position_start[0])
ydiff = float(y - self._selection_position_start[1])
if abs(xdiff) < 0.0001:
xdiff = 1
if abs(ydiff) < 0.0001:
ydiff = 1
xoff = float(self._selection_position_start[0]) / xdiff + 0.5
yoff = float(self._selection_position_start[1]) / ydiff + 0.5
scene = self._selection_box.getScene()
scene.beginChange()
attributes = self._selection_box.getGraphicspointattributes()
attributes.setBaseSize([xdiff, ydiff, 0.999])
attributes.setGlyphOffset([xoff, -yoff, 0])
self._selection_box.setVisibilityFlag(True)
scene.endChange()
elif not self._ignore_mouse_events and self._handle_mouse_events:
SceneviewerWidget.mouseMoveEvent(self, event)
def mouseMoveEvent(self, event):
'''
Inform the scene viewer of a mouse move event and update the OpenGL scene to reflect this
change to the viewport.
'''
event.accept()
if not self._ignore_mouse_events and self._selection_mode != SelectionMode.NONE:
x = event.x()
y = event.y()
xdiff = float(x - self._selection_position_start[0])
ydiff = float(y - self._selection_position_start[1])
if abs(xdiff) < 0.0001:
xdiff = 1
if abs(ydiff) < 0.0001:
ydiff = 1
xoff = float(self._selection_position_start[0]) / xdiff + 0.5
yoff = float(self._selection_position_start[1]) / ydiff + 0.5
scene = self._selection_box.getScene()
scene.beginChange()
attributes = self._selection_box.getGraphicspointattributes()
attributes.setBaseSize([xdiff, ydiff, 0.999])
attributes.setGlyphOffset([xoff, -yoff, 0])
self._selection_box.setVisibilityFlag(True)
scene.endChange()
elif not self._ignore_mouse_events and self._handle_mouse_events:
SceneviewerWidget.mouseMoveEvent(self, event)
