diff options
Diffstat (limited to 'silx/gui/plot3d/scene/interaction.py')
| -rw-r--r-- | silx/gui/plot3d/scene/interaction.py | 60 |
1 files changed, 28 insertions, 32 deletions
diff --git a/silx/gui/plot3d/scene/interaction.py b/silx/gui/plot3d/scene/interaction.py index e5cfb6d..14a54dc 100644 --- a/silx/gui/plot3d/scene/interaction.py +++ b/silx/gui/plot3d/scene/interaction.py @@ -1,7 +1,7 @@ # coding: utf-8 # /*########################################################################## # -# Copyright (c) 2015-2018 European Synchrotron Radiation Facility +# Copyright (c) 2015-2019 European Synchrotron Radiation Facility # # Permission is hereby granted, free of charge, to any person obtaining a copy # of this software and associated documentation files (the "Software"), to deal @@ -43,11 +43,11 @@ from . import transform _logger = logging.getLogger(__name__) -# ClickOrDrag ################################################################# - -# TODO merge with silx.gui.plot.Interaction.ClickOrDrag class ClickOrDrag(StateMachine): - """Click or drag interaction for a given button.""" + """Click or drag interaction for a given button. + + """ + #TODO: merge this class with silx.gui.plot.Interaction.ClickOrDrag DRAG_THRESHOLD_SQUARE_DIST = 5 ** 2 @@ -126,23 +126,29 @@ class ClickOrDrag(StateMachine): pass -# CameraRotate ################################################################ - -class CameraRotate(ClickOrDrag): +class CameraSelectRotate(ClickOrDrag): """Camera rotation using an arcball-like interaction.""" - def __init__(self, viewport, orbitAroundCenter=True, button=RIGHT_BTN): + def __init__(self, viewport, orbitAroundCenter=True, button=RIGHT_BTN, + selectCB=None): self._viewport = viewport self._orbitAroundCenter = orbitAroundCenter + self._selectCB = selectCB self._reset() - super(CameraRotate, self).__init__(button) + super(CameraSelectRotate, self).__init__(button) def _reset(self): self._origin, self._center = None, None self._startExtrinsic = None def click(self, x, y): - pass # No interaction yet + if self._selectCB is not None: + ndcZ = self._viewport._pickNdcZGL(x, y) + position = self._viewport._getXZYGL(x, y) + # This assume no object lie on the far plane + # Alternative, change the depth range so that far is < 1 + if ndcZ != 1. and position is not None: + self._selectCB((x, y, ndcZ), position) def beginDrag(self, x, y): centerPos = None @@ -205,8 +211,6 @@ class CameraRotate(ClickOrDrag): self._reset() -# CameraSelectPan ############################################################# - class CameraSelectPan(ClickOrDrag): """Picking on click and pan camera on drag.""" @@ -259,8 +263,6 @@ class CameraSelectPan(ClickOrDrag): self._lastPosNdc = None -# CameraWheel ################################################################# - class CameraWheel(object): """StateMachine like class, just handling wheel events.""" @@ -371,8 +373,6 @@ class CameraWheel(object): return True -# FocusManager ################################################################ - class FocusManager(StateMachine): """Manages focus across multiple event handlers @@ -449,8 +449,6 @@ class FocusManager(StateMachine): handler.cancel() -# CameraControl ############################################################### - class RotateCameraControl(FocusManager): """Combine wheel and rotate state machine for left button and pan when ctrl is pressed @@ -460,7 +458,8 @@ class RotateCameraControl(FocusManager): mode='center', scaleTransform=None, selectCB=None): handlers = (CameraWheel(viewport, mode, scaleTransform), - CameraRotate(viewport, orbitAroundCenter, LEFT_BTN)) + CameraSelectRotate( + viewport, orbitAroundCenter, LEFT_BTN, selectCB)) ctrlHandlers = (CameraWheel(viewport, mode, scaleTransform), CameraSelectPan(viewport, LEFT_BTN, selectCB)) super(RotateCameraControl, self).__init__(handlers, ctrlHandlers) @@ -476,7 +475,8 @@ class PanCameraControl(FocusManager): handlers = (CameraWheel(viewport, mode, scaleTransform), CameraSelectPan(viewport, LEFT_BTN, selectCB)) ctrlHandlers = (CameraWheel(viewport, mode, scaleTransform), - CameraRotate(viewport, orbitAroundCenter, LEFT_BTN)) + CameraSelectRotate( + viewport, orbitAroundCenter, LEFT_BTN, selectCB)) super(PanCameraControl, self).__init__(handlers, ctrlHandlers) @@ -488,12 +488,11 @@ class CameraControl(FocusManager): selectCB=None): handlers = (CameraWheel(viewport, mode, scaleTransform), CameraSelectPan(viewport, LEFT_BTN, selectCB), - CameraRotate(viewport, orbitAroundCenter, RIGHT_BTN)) + CameraSelectRotate( + viewport, orbitAroundCenter, RIGHT_BTN, selectCB)) super(CameraControl, self).__init__(handlers) -# PlaneRotate ################################################################# - class PlaneRotate(ClickOrDrag): """Plane rotation using arcball interaction. @@ -603,8 +602,6 @@ class PlaneRotate(ClickOrDrag): self._reset() -# PlanePan ################################################################### - class PlanePan(ClickOrDrag): """Pan a plane along its normal on drag.""" @@ -668,8 +665,6 @@ class PlanePan(ClickOrDrag): self._beginPlanePoint = None -# PlaneControl ################################################################ - class PlaneControl(FocusManager): """Combine wheel, selectPan and rotate state machine for plane control.""" def __init__(self, viewport, plane, @@ -686,9 +681,9 @@ class PanPlaneRotateCameraControl(FocusManager): mode='center', scaleTransform=None): handlers = (CameraWheel(viewport, mode, scaleTransform), PlanePan(viewport, plane, LEFT_BTN), - CameraRotate(viewport, - orbitAroundCenter=False, - button=RIGHT_BTN)) + CameraSelectRotate(viewport, + orbitAroundCenter=False, + button=RIGHT_BTN)) super(PanPlaneRotateCameraControl, self).__init__(handlers) @@ -701,5 +696,6 @@ class PanPlaneZoomOnWheelControl(FocusManager): handlers = (CameraWheel(viewport, mode, scaleTransform), PlanePan(viewport, plane, LEFT_BTN)) ctrlHandlers = (CameraWheel(viewport, mode, scaleTransform), - CameraRotate(viewport, orbitAroundCenter, LEFT_BTN)) + CameraSelectRotate( + viewport, orbitAroundCenter, LEFT_BTN)) super(PanPlaneZoomOnWheelControl, self).__init__(handlers, ctrlHandlers) |