コード例 #1
0
 def mousePressEvent(self, event):
     '''
     Inform the scene viewer of a mouse press event.
     '''
     self._handle_mouse_events = False  # Track when the zinc should be handling mouse events
     if not self._ignore_mouse_events and (event.modifiers() & self._editModifier) and \
         (self._nodeEditMode or self._nodeEditVectorMode or self._nodeCreateMode) and \
         button_map[event.button()] == Sceneviewerinput.BUTTON_TYPE_LEFT:
         return_code, selectedNode, selectedCoordinateField, selectedGraphics = \
             self.nodeIsSelectedAtCoordinates(event.x(), event.y())
         if return_code:
             self._nodeEditInfo._node = selectedNode
             self._nodeEditInfo._coordinateField = selectedCoordinateField
             self._nodeEditInfo._graphics = selectedGraphics
             self._selection_position_start = (event.x(), event.y())
             if self._nodeEditMode:
                 self._selection_mode = SelectionMode.EDIT_POSITION
             else:
                 attributes = self._nodeEditInfo._graphics.getGraphicspointattributes()
                 if attributes.isValid():
                     self._nodeEditInfo._orientationField = attributes.getOrientationScaleField()
                     if self._nodeEditInfo._orientationField and self._nodeEditInfo._orientationField.isValid():
                         self._selection_mode = SelectionMode.EDIT_VECTOR
                         return_code, self._nodeEditInfo._glyphCentre = attributes.getGlyphOffset(3)
                         return_code, self._nodeEditInfo._glyphSize = attributes.getBaseSize(3)
                         return_code, self._nodeEditInfo._glyphScaleFactors = attributes.getScaleFactors(3)
                         self._nodeEditInfo._variableScaleField = attributes.getSignedScaleField()
         elif self._nodeCreateMode:
             self._selection_mode = SelectionMode.CREATE
     else:
         SelectionSceneviewerWidget.mousePressEvent(self, event)
コード例 #2
0
 def mouseReleaseEvent(self, event):
     '''
     Inform the scene viewer of a mouse release event.
     '''
     if not self._ignore_mouse_events and (self._selection_mode == SelectionMode.EDIT_POSITION or \
                                           self._selection_mode == SelectionMode.EDIT_VECTOR):
         self._nodeEditInfo.reset()
     elif not self._ignore_mouse_events and self._selection_mode == SelectionMode.CREATE:
         x = event.x()
         y = event.y()
         self._selection_box.setVisibilityFlag(False)
         if self._createCoordinatesField and self._createCoordinatesField.isValid(
         ):
             self._nodeEditInfo._createCoordinatesField = self._createCoordinatesField
             if self._nodeConstrainMode == True:
                 returnCode, self._nodeEditInfo._nearestElement, self._nodeEditInfo._elementCoordinateField = \
                     self.getNearestSurfacesElementAndCoordinates(x, y)
                 if self._nodeEditInfo._nearestElement and self._nodeEditInfo._elementCoordinateField:
                     self.createNodeAtCoordinates(self._nodeEditInfo, x, y)
             else:
                 self.createNodeAtCoordinates(self._nodeEditInfo, x, y)
         self._nodeEditInfo.reset()
     else:
         SelectionSceneviewerWidget.mouseReleaseEvent(self, event)
     self._selection_mode = SelectionMode.NONE
コード例 #3
0
 def __init__(self, parent=None, shared=None):
     
     # Selection attributes
     SelectionSceneviewerWidget.__init__(self, parent, shared)
     self._nodeEditMode = False
     self._nodeEditVectorMode = False
     self._nodeCreateMode = False
     self._nodeConstrainMode = False
     self._ignore_mouse_events = False
     self._editModifier = QtCore.Qt.CTRL
     self._nodeEditInfo = NodeEditInfo()
     self._createCoordinatesField = None
コード例 #4
0
    def __init__(self, parent=None, shared=None):

        # Selection attributes
        SelectionSceneviewerWidget.__init__(self, parent, shared)
        self._nodeEditMode = False
        self._nodeEditVectorMode = False
        self._nodeCreateMode = False
        self._nodeConstrainMode = False
        self._ignore_mouse_events = False
        self._editModifier = QtCore.Qt.CTRL
        self._nodeEditInfo = NodeEditInfo()
        self._createCoordinatesField = None
コード例 #5
0
    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.
        '''

        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
            if self._selection_mode == SelectionMode.EDIT_POSITION:
                if self._nodeConstrainMode == True:
                    returnCode, self._nodeEditInfo._nearestElement, self._nodeEditInfo._elementCoordinateField = \
                        self.getNearestSurfacesElementAndCoordinates(x, y)
                    if self._nodeEditInfo._nearestElement and self._nodeEditInfo._elementCoordinateField:
                        delta = self.getCoordinatesDelta(
                            self._nodeEditInfo, x, y)
                        self.updateSelectedNodesCoordinatesWithDelta(self._nodeEditInfo, \
                            self._selectionGroup, delta[0], delta[1], delta[2])
                else:
                    delta = self.getCoordinatesDelta(self._nodeEditInfo, x, y)
                    self.updateSelectedNodesCoordinatesWithDelta(self._nodeEditInfo, \
                            self._selectionGroup, delta[0], delta[1], delta[2])
            elif self._selection_mode == SelectionMode.EDIT_VECTOR:
                if self._nodeEditInfo._orientationField and self._nodeEditInfo._orientationField.isValid(
                ):
                    delta = self.getVectorDelta(self._nodeEditInfo, x, y)
                    self.updateSelectedNodesVectorWithDelta(self._nodeEditInfo, \
                            self._selectionGroup, delta[0], delta[1], delta[2])
            else:
                SelectionSceneviewerWidget.mouseMoveEvent(self, event)
        elif not self._ignore_mouse_events and self._handle_mouse_events:
            SelectionSceneviewerWidget.mouseMoveEvent(self, event)
コード例 #6
0
 def mousePressEvent(self, event):
     '''
     Inform the scene viewer of a mouse press event.
     '''
     self._handle_mouse_events = False  # Track when the zinc should be handling mouse events
     if not self._ignore_mouse_events and (event.modifiers() & self._editModifier) and \
         (self._nodeEditMode or self._nodeEditVectorMode or self._nodeCreateMode) and \
         button_map[event.button()] == Sceneviewerinput.BUTTON_TYPE_LEFT:
         return_code, selectedNode, selectedCoordinateField, selectedGraphics = \
             self.nodeIsSelectedAtCoordinates(event.x(), event.y())
         if return_code:
             self._nodeEditInfo._node = selectedNode
             self._nodeEditInfo._coordinateField = selectedCoordinateField
             self._nodeEditInfo._graphics = selectedGraphics
             self._selection_position_start = (event.x(), event.y())
             if self._nodeEditMode:
                 self._selection_mode = SelectionMode.EDIT_POSITION
             else:
                 attributes = self._nodeEditInfo._graphics.getGraphicspointattributes(
                 )
                 if attributes.isValid():
                     self._nodeEditInfo._orientationField = attributes.getOrientationScaleField(
                     )
                     if self._nodeEditInfo._orientationField and self._nodeEditInfo._orientationField.isValid(
                     ):
                         self._selection_mode = SelectionMode.EDIT_VECTOR
                         return_code, self._nodeEditInfo._glyphCentre = attributes.getGlyphOffset(
                             3)
                         return_code, self._nodeEditInfo._glyphSize = attributes.getBaseSize(
                             3)
                         return_code, self._nodeEditInfo._glyphScaleFactors = attributes.getScaleFactors(
                             3)
                         self._nodeEditInfo._variableScaleField = attributes.getSignedScaleField(
                         )
         elif self._nodeCreateMode:
             self._selection_mode = SelectionMode.CREATE
     else:
         SelectionSceneviewerWidget.mousePressEvent(self, event)
コード例 #7
0
 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.
     '''
     
     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            
         if self._selection_mode == SelectionMode.EDIT_POSITION:
             if self._nodeConstrainMode == True:
                 returnCode, self._nodeEditInfo._nearestElement, self._nodeEditInfo._elementCoordinateField = \
                     self.getNearestSurfacesElementAndCoordinates(x, y)
                 if self._nodeEditInfo._nearestElement and self._nodeEditInfo._elementCoordinateField:
                     delta = self.getCoordinatesDelta(self._nodeEditInfo, x, y)
                     self.updateSelectedNodesCoordinatesWithDelta(self._nodeEditInfo, \
                         self._selectionGroup, delta[0], delta[1], delta[2])                
             else:
                 delta = self.getCoordinatesDelta(self._nodeEditInfo, x, y)
                 self.updateSelectedNodesCoordinatesWithDelta(self._nodeEditInfo, \
                         self._selectionGroup, delta[0], delta[1], delta[2])
         elif self._selection_mode == SelectionMode.EDIT_VECTOR:
             if self._nodeEditInfo._orientationField and self._nodeEditInfo._orientationField.isValid():
                 delta = self.getVectorDelta(self._nodeEditInfo, x, y)
                 self.updateSelectedNodesVectorWithDelta(self._nodeEditInfo, \
                         self._selectionGroup, delta[0], delta[1], delta[2])
         else:
             SelectionSceneviewerWidget.mouseMoveEvent(self, event)
     elif not self._ignore_mouse_events and self._handle_mouse_events:
         SelectionSceneviewerWidget.mouseMoveEvent(self, event)
コード例 #8
0
 def mouseReleaseEvent(self, event):
     '''
     Inform the scene viewer of a mouse release event.
     '''
     if not self._ignore_mouse_events and (self._selection_mode == SelectionMode.EDIT_POSITION or \
                                           self._selection_mode == SelectionMode.EDIT_VECTOR):
         self._nodeEditInfo.reset()
     elif not self._ignore_mouse_events and self._selection_mode == SelectionMode.CREATE:
         x = event.x()
         y = event.y()
         self._selection_box.setVisibilityFlag(False)
         if self._createCoordinatesField and self._createCoordinatesField.isValid():
             self._nodeEditInfo._createCoordinatesField = self._createCoordinatesField
             if self._nodeConstrainMode == True:
                 returnCode, self._nodeEditInfo._nearestElement, self._nodeEditInfo._elementCoordinateField = \
                     self.getNearestSurfacesElementAndCoordinates(x, y)
                 if self._nodeEditInfo._nearestElement and self._nodeEditInfo._elementCoordinateField:
                     self.createNodeAtCoordinates(self._nodeEditInfo, x, y)   
             else:
                 self.createNodeAtCoordinates(self._nodeEditInfo, x, y)
         self._nodeEditInfo.reset()
     else:
         SelectionSceneviewerWidget.mouseReleaseEvent(self, event)
     self._selection_mode = SelectionMode.NONE