FreeCAD/src/Mod/Surfaces/surfSlice/PointTracker.py
2012-01-24 16:00:07 -02:00

72 lines
3.2 KiB
Python

#***************************************************************************
#* *
#* Copyright (c) 2011, 2012 *
#* Jose Luis Cercos Pita <jlcercos@gmail.com> *
#* *
#* This program is free software; you can redistribute it and/or modify *
#* it under the terms of the GNU Lesser General Public License (LGPL) *
#* as published by the Free Software Foundation; either version 2 of *
#* the License, or (at your option) any later version. *
#* for detail see the LICENCE text file. *
#* *
#* This program is distributed in the hope that it will be useful, *
#* but WITHOUT ANY WARRANTY; without even the implied warranty of *
#* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
#* GNU Library General Public License for more details. *
#* *
#* You should have received a copy of the GNU Library General Public *
#* License along with this program; if not, write to the Free Software *
#* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
#* USA *
#* *
#***************************************************************************
# FreeCAD modules
import FreeCAD as App
import FreeCADGui as Gui
import Draft
from FreeCAD import Vector
# Qt library
from PyQt4 import QtGui,QtCore
# Pivy
import pivy
from pivy import coin
from pivy.coin import *
# Module
from surfUtils import Paths
from surfUtils import Geometry
from surfSlice import Preview
class PointTracker:
def __init__(self,view,task):
self.view=view
self.task=task
task.tracker = self
self.callback = self.view.addEventCallbackPivy(coin.SoMouseButtonEvent.getClassTypeId(),self.mouseButton)
self.callbackMove = self.view.addEventCallbackPivy(SoLocation2Event.getClassTypeId(),self.mouseMove)
def mouseMove(self, event_cb):
event = event_cb.getEvent()
# Get screen point
screen = event.getPosition()
ctrl = event.wasCtrlDown()
# Get snapped object if exist, else the screen point will used
point = Gui.Snapper.snap(screen, ctrl)
def mouseButton(self, event_cb):
event = event_cb.getEvent()
if event.getState() != coin.SoMouseButtonEvent.DOWN:
return
# Get screen point
screen = event.getPosition()
ctrl = event.wasCtrlDown()
# Get snapped object if exist, else the screen point will used
point = Gui.Snapper.snap(screen, ctrl)
if not point:
point = self.view.getPoint(screen[0],screen[1])
# Set it into the task panel
self.task.setR3(point)
def close(self):
self.view.removeEventCallbackPivy(coin.SoMouseButtonEvent.getClassTypeId(),self.callback)