Macro Sviluppa solido

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Sviluppa solido

Descrizione
Crea lo sviluppo di un solido con facce piane.


Versione macro: 1.0.1
Ultima modifica: 2020-03-10
Download: ToolBar Icon
Autore: Hervé B.
Autore
Hervé B.
Download
ToolBar Icon
Link
Versione macro
1.0.1
Data ultima modifica
2020-03-10
Versioni di FreeCAD
Scorciatoia
Nessuna
Vedere anche
Nessuno

Descrizione

Questa macro permette di creare lo sviluppo delle superfici di un solido con facce piane, di disegnare le facce in una pagina, e di inserire il disegno in un foglio A3 o A4.

Macro_unfoldBox

Installazione

Secondo quanto descritto in Macro for unfolding box surfaces

Copiare il file del codice nella directory:

  • Linux & Mac  : $home/.Freecad/Mod/unfoldBox.
  • Windows : C:\Program Files\FreeCAD0.13

Aggiungere i modelli del foglio : A3_Landscape_Empty.svg A3_Landscape.svg A4_Landscape_Empty.svg A4_Landscape.svg

Opzioni

  • Scala manuale o automatica
  • Formato della pagina: A3, A4
  • Tabella (secondo i modelli di FreeCAD)
  • Raggruppamento dei disegni nella stessa pagina se è possibile.
  • Unire le facce su un lato.

Utilizzo

  1. Selezionare un oggetto creato con Part, ad es. un oggetto creato con Loft.
  2. Scomporre l'oggetto (utilizzare Draft -> Retrocedere)
  3. Selezionare le supefici
  4. Eseguire la macro

Script

ToolBar icon

Macro_unfoldBox.FCMacro

'''FreeCAD Macro unfoldBox.

Unroll of a ruled surface
'''
#####################################
# SEE https://wiki.freecadweb.org/Macro_Unfold_Box.
# ***************************************************************************
# *                                                                         *
# *   Copyright (c) 2013 - DoNovae/Herve BAILLY <hbl13@donovae.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                                                                   *
# *                                                                         *
# ***************************************************************************

import os
import math

import FreeCAD, FreeCADGui, Draft
from PySide import QtGui, QtCore
from FreeCAD import Base
fields_l = []
unroll_l = []

#####################################
# Functions
#####################################


def errorDialog(msg):
    diag = QtGui.QMessageBox(QtGui.QMessageBox.Critical, u'Error Message',msg)
    diag.setWindowFlags(QtCore.Qt.WindowStaysOnTopHint)
    diag.exec_()


def proceed():
    QtGui.qApp.setOverrideCursor(QtCore.Qt.WaitCursor)

    FreeCAD.Console.PrintMessage('===========================================\n')
    FreeCAD.Console.PrintMessage('unfoldBox: start.\n')
    try:
        file_name = fields_l[0].text()
        scale = float(fields_l[1].text())
        scale_auto = scale_check.isChecked()
        a3 = a3_check.isChecked()
        cartridge = cartridge_check.isChecked()
        onedrawing = onedrawing_check.isChecked()
        sewed = sewed_check.isChecked()
        FreeCAD.Console.PrintMessage('unfoldBox.file_name: '+file_name+'\n')
        FreeCAD.Console.PrintMessage('unfoldBox.scale: '+str(scale)+'\n')
        FreeCAD.Console.PrintMessage('unfoldBox.scale_check: '+str(scale_auto)+'\n')
        FreeCAD.Console.PrintMessage('unfoldBox.a3_check: '+str(a3)+'\n')
        FreeCAD.Console.PrintMessage('unfoldBox.cartridge: '+str(cartridge)+'\n')
        FreeCAD.Console.PrintMessage('unfoldBox.onedrawing: '+str(onedrawing)+'\n')
        FreeCAD.Console.PrintMessage('unfoldBox.sewed: '+str(sewed)+'\n')
    except:
        msg = 'unfoldBox: wrong inputs...\n'
        FreeCAD.Console.PrintError(msg)
        errorDialog(msg)

    QtGui.qApp.restoreOverrideCursor()
    DialogBox.hide()
    #
    # Get selection
    #
    sel = FreeCADGui.Selection.getSelection()
    objnames_l=[]
    grp = FreeCAD.activeDocument().addObject('App::DocumentObjectGroup', str(file_name))
    for objid in range(sel.__len__()):
        obj = Draft.clone(sel[objid])
        grp.addObject(obj)
        objnames_l.append([ obj, sel[objid].Name ])

    unfold = unfoldBox()
    if sewed :
        objnames_l = unfold.done(objnames_l)
        grp.addObject(objnames_l[0][0])
    else:
        for objid in range(objnames_l.__len__()):
            unfold.moveXY(objnames_l[objid][0])

    id_ = 0
    while objnames_l.__len__() > 0:
        draw = Drawing2d(scale, scale_auto, a3, cartridge, onedrawing, FreeCAD.activeDocument().Name, 'Page'+str(id_))
        objnames_l = draw.all_(objnames_l)
        id_ = id_+1
        FreeCAD.Console.PrintMessage('unfoldBox: obj_l= '+str(objnames_l.__len__())+'\n')

    FreeCAD.Console.PrintMessage('unfoldBox: end.\n')
    FreeCAD.Console.PrintMessage('===========================================\n')


def close():
    DialogBox.hide()


class unfoldBox:
    def __init__(self):
        FreeCAD.Console.PrintMessage('unfoldBox.unfoldBox\n')
        self.LIMIT = 0.0001

    def done(self, objnames_l):
        tree_l = self.makeTree(objnames_l)
        for id_ in range(objnames_l.__len__()):
            face = objnames_l[id_]
            self.moveXY(face[0])
        self.sew(objnames_l, tree_l)
        return self.fusion(objnames_l)

    def makeTree(self, objnames_l):
        # Initialisation of tree_l.
        tree_l = []
        for k in range(objnames_l.__len__()):
            facek = objnames_l[k][0]
            facek_l = []
            for i in range(facek.Shape.Edges.__len__()):
                if False and type(facek.Shape.Edges[i].Curve).__name__ != 'GeomLineSegment':
                    facek_l.append([-1, -1])
                else:
                    # Search face link to the ith edge
                    vki0 = facek.Shape.Edges[i].Curve.StartPoint
                    vki1 = facek.Shape.Edges[i].Curve.EndPoint
                    found = False
                    for l in range(k+1, objnames_l.__len__()):
                        facel = objnames_l[l][0]
                        for j in range(facel.Shape.Edges.__len__()):
                            vlj0 = facel.Shape.Edges[j].Curve.StartPoint
                            vlj1 = facel.Shape.Edges[j].Curve.EndPoint
                            if vki0.__eq__(vlj0) and vki1.__eq__(vlj1):
                                arelinked = False
                                isfacek = False
                                isfacel = False
                                for kk in range(k-1):
                                    for ii in range(tree_l[kk].__len__()):
                                        if tree_l[kk][ii][0] == k:
                                            isfacek = True
                                        if tree_l[kk][ii][0] == l:
                                            isfacel = True
                                    if isfacek and isfacel:
                                        arelinked = True
                                        break
                                if not arelinked:
                                    facek_l.append([l, j])
                                    found = True
                                    break
                            if found:
                                break
                if not found:
                    facek_l.append([-1, -1])
            tree_l.append(facek_l)
        return tree_l

    def sew(self, objnames_l, tree_l):
        placed_l = []
        for k in range(tree_l.__len__()):
            iskplaced = False
            for p in range(placed_l.__len__()):
                if placed_l[p] == k:
                    iskplaced = True
            if not iskplaced:
                placed_l.append(k)
            facek = tree_l[k]
            objk = objnames_l[k][0]
            for i in range(facek.__len__()):
                edgeki = facek[i]
                l = edgeki[0]
                j = edgeki[1]
                islplaced = False
                for p in range(placed_l.__len__()):
                    if placed_l[p] == l:
                        islplaced = True
                        break
                if not islplaced:
                    placed_l.append(l)
                if l >= 0 and not (islplaced and iskplaced):
                    iskplaced = True
                    # Move facel.edgelj to facek.edgeki.
                    objl = objnames_l[l][0]
                    vki0 = objk.Shape.Edges[i].Curve.StartPoint
                    vki1 = objk.Shape.Edges[i].Curve.EndPoint
                    vlj0 = objl.Shape.Edges[j].Curve.StartPoint
                    vlj1 = objl.Shape.Edges[j].Curve.EndPoint
                    vk = vki1.sub(vki0)
                    vl = vlj1.sub(vlj0)
                    alpk = vk.getAngle(vl)*180/math.pi
                    alpl = vl.getAngle(vk)*180/math.pi
                    self.isPlanZ(objk)
                    if islplaced:
                        Draft.move(objk, vlj0.sub(vki0))
                    else:
                        Draft.move(objl, vki0.sub(vlj0))
                    self.isPlanZ(objk)

                    if math.fabs(vk.dot(FreeCAD.Base.Vector(-vl.y, vl.x, 0))) > self.LIMIT:
                        if islplaced:
                            Draft.rotate(objk, -alpl, vlj0, self.vecto(vl, vk))
                        else:
                            Draft.rotate(objl, -alpk, vki0, self.vecto(vk, vl))
                    elif vk.dot(vl) < 0:
                        if islplaced:
                            Draft.rotate(objk, 180, vlj0, self.vecto(vl, FreeCAD.Base.Vector(-vl.y, vl.x, 0)))
                        else:
                            Draft.rotate(objl, 180, vki0, self.vecto(vk, FreeCAD.Base.Vector(-vk.y, vk.x, 0)))
                    # Verifications.
                    vki0 = objk.Shape.Edges[i].Curve.StartPoint
                    vki1 = objk.Shape.Edges[i].Curve.EndPoint
                    vlj0 = objl.Shape.Edges[j].Curve.StartPoint
                    vlj1 = objl.Shape.Edges[j].Curve.EndPoint
                    vk = vki1.sub(vki0)
                    vl = vlj1.sub(vlj0)
                    self.isPlanZ(objk)

                    # Flip or not.
                    L = max(objl.Shape.BoundBox.XMax, objk.Shape.BoundBox.XMax) - min(objl.Shape.BoundBox.XMin, objk.Shape.BoundBox.XMin)
                    W = max(objl.Shape.BoundBox.YMax, objk.Shape.BoundBox.YMax) - min(objl.Shape.BoundBox.YMin, objk.Shape.BoundBox.YMin)
                    S1 = L*W
                    if islplaced:
                        Draft.rotate(objk, 180, vlj0, vl)
                    else:
                        Draft.rotate(objl, 180, vki0, vk)
                    L = max(objl.Shape.BoundBox.XMax, objk.Shape.BoundBox.XMax) - min(objl.Shape.BoundBox.XMin, objk.Shape.BoundBox.XMin)
                    W = max(objl.Shape.BoundBox.YMax, objk.Shape.BoundBox.YMax) - min(objl.Shape.BoundBox.YMin, objk.Shape.BoundBox.YMin)
                    S2 = L * W
                    if (S2 <= S1):
                        if islplaced:
                            Draft.rotate(objk, 180, vlj0, vl)
                        else:
                            Draft.rotate(objl, 180, vki0, vk)
                    self.isPlanZ(objk)

    def isPlanZ(self, obj):
        L = obj.Shape.BoundBox.XMax - obj.Shape.BoundBox.XMin
        W = obj.Shape.BoundBox.YMax - obj.Shape.BoundBox.YMin
        H = obj.Shape.BoundBox.ZMax - obj.Shape.BoundBox.ZMin
        if H < self.LIMIT:
            return True
        else:
            return False


    def fusion(self, objnames_l):
        # Init.
        obj_l=[]
        objna_l=[]
        obj0 = objnames_l[0][0];name=objnames_l[0][1]
        objfuse = FreeCAD.activeDocument().addObject('Part::MultiFuse','Unfolding')
        for k in range(objnames_l.__len__()):
            objk = objnames_l[k][0]
            obj_l.append(objk)
        objfuse.Shapes = obj_l
        FreeCAD.activeDocument().recompute()
        objna_l.append([objfuse, name])
        return objna_l

    def get2Vectors(self, shape):
        v0 = FreeCAD.Base.Vector(0, 0, 0)
        v1 = FreeCAD.Base.Vector(0, 0, 0)

        edges= shape.Edges
        for id_ in range(edges.__len__()-1):
            va = edges[id_].Curve.EndPoint.sub(edges[id_].Curve.StartPoint)
            vb = edges[id_+1].Curve.EndPoint.sub(edges[id_+1].Curve.StartPoint)
            if vb.sub(va).Length > v1.sub(v0).Length:
                v0 = self.vect_copy(va);v1=self.vect_copy(vb)
        return [v0, v1]

    def vecto(self, vect1, vect2):
        '''Function vecto.'''
        v= FreeCAD.Base.Vector(0, 0, 0)
        v.x = vect1.y*vect2.z-vect1.z*vect2.y
        v.y = vect1.z*vect2.x-vect1.x*vect2.z
        v.z = vect1.x*vect2.y-vect1.y*vect2.x
        return v

    def vect_copy(self, vect):
        '''Return a copy of vector.'''
        v = vect.add(FreeCAD.Base.Vector(0, 0, 0))
        return v

    def moveXY(self, obj):
        # Move to origin
        Draft.move(obj, FreeCAD.Base.Vector(-obj.Shape.BoundBox.XMin, -obj.Shape.BoundBox.YMin, -obj.Shape.BoundBox.ZMin))

        # Find 2 vectors defining the plan of surface
        tab = self.get2Vectors(obj.Shape)
        v0 = tab[0]
        v1 = tab[1]
        norm = self.vecto(v0, v1)
        norm.normalize()

        # Rotate.
        if math.fabs(norm.x) < self.LIMIT and math.fabs(norm.z) < self.LIMIT:
            Draft.rotate(obj, 90, FreeCAD.Base.Vector(0, 0, 0), FreeCAD.Base.Vector(1, 0, 0))
        elif math.fabs(norm.y) < self.LIMIT and math.fabs(norm.z) < self.LIMIT:
            Draft.rotate(obj, 90, FreeCAD.Base.Vector(0, 0, 0), FreeCAD.Base.Vector(0, 1, 0))
        else:
            # Rotate following the angle to the normal direction of the plan.
            oz= FreeCAD.Base.Vector(0, 0, 1)
            alp = oz.getAngle(norm)*180/math.pi
            Draft.rotate(obj, -alp, FreeCAD.Base.Vector(0, 0, 0), self.vecto(oz, norm))

        # Move to z = 0.
        Draft.move(obj, FreeCAD.Base.Vector(0, 0, -obj.Shape.BoundBox.ZMin))


class Drawing2d:
    def __init__(self, scale, scale_auto, a3, cartridge, onedrawing, drawing_name, page_name):
        """Function __init__

        - scale
        - scale_auto
        - a3
        - cartridge
        - onedrawing
        """
        self.TopX_H = 0
        self.TopY_H = 0
        self.TopX_V = 0
        self.TopY_V = 0
        self.TopX_Hmax = 0
        self.TopY_Hmax = 0
        self.TopX_Vmax = 0
        self.TopY_Vmax = 0
        self.a3 = a3
        self.pts_nbr = 100
        self.scale = scale
        self.scale_auto = scale_auto
        self.cartridge = cartridge
        self.onedrawing = onedrawing
        if self.a3:
            self.L = 420
            self.H = 297
            self.marge = 6
        else:
            self.L = 297
            self.H = 210
            self.marge = 6
        self.page_name = page_name
        self.drawing_name = drawing_name

    def newPage(self):
        freecad_dir = os.getenv('HOME') + '/.FreeCAD/Mod/unfoldBox'
        page = FreeCAD.activeDocument().addObject(
            'Drawing::FeaturePage', self.page_name)
        if self.a3:
            if self.cartridge:
                page.Template = freecad_dir+'/A3_Landscape.svg'
            else:
                page.Template = freecad_dir+'/A3_Landscape_Empty.svg'
        else:
            if self.cartridge:
                page.Template = freecad_dir+'/A4_Landscape.svg'
            else:
                page.Template = freecad_dir+'/A4_Landscape_Empty.svg'
        return page

    def all_(self, objnames_l):
        obj_l = []
        for objid in range(objnames_l.__len__()):
            if objid == 0 or not self.onedrawing:
                self.newPage()
            obj_l.extend(self.done(objid, objnames_l[objid]))
        return obj_l

    def done(self, id_, objname):
        # Init.
        obj_l = []
        obj = objname[0]
        objname = objname[1]
        xmax = obj.Shape.BoundBox.XMax-obj.Shape.BoundBox.XMin
        ymax = obj.Shape.BoundBox.YMax-obj.Shape.BoundBox.YMin
        if ymax > xmax:
            Draft.rotate(obj, 90)
        Draft.move(obj,
                   FreeCAD.Base.Vector(
                       -obj.Shape.BoundBox.XMin, -obj.Shape.BoundBox.YMin, 0))
        xmax = obj.Shape.BoundBox.XMax-obj.Shape.BoundBox.XMin
        ymax = obj.Shape.BoundBox.YMax-obj.Shape.BoundBox.YMin

        scale = min((self.L-4*self.marge) / xmax, (self.H-4*self.marge) / ymax)

        if (not self.scale_auto) or (self.onedrawing):
            scale = self.scale

        if id_ == 0 or not self.onedrawing:
            # Init.
            FreeCAD.Console.PrintMessage('Dawing2d: init\n')
            self.TopX_H = self.marge*2
            self.TopY_H = self.marge*2
            TopX = self.TopX_H
            TopY = self.TopY_H
            self.TopX_H = self.TopX_H + xmax * scale + self.marge
            self.TopY_H = self.TopY_H
            self.TopX_Hmax = max(self.TopX_Hmax, self.TopX_H)
            self.TopY_Hmax = max(self.TopY_Hmax, self.TopY_H + ymax*scale + self.marge)
            self.TopX_Vmax = max(self.TopX_Vmax, self.TopX_Hmax)
            self.TopX_V = max(self.TopX_Vmax, self.TopX_V)
            self.TopY_V = self.marge * 2
        elif self.onedrawing:
            if self.TopX_H + xmax * scale < self.L:
                if self.TopY_H + ymax * scale + self.marge*2 < self.H:
                    # H Add at right on same horizontal line.
                    FreeCAD.Console.PrintMessage('Dawing2d: horizontal\n')
                    TopX = self.TopX_H
                    TopY = self.TopY_H
                    self.TopX_H = self.TopX_H + xmax * scale + self.marge
                    self.TopX_Hmax = max(self.TopX_Hmax, self.TopX_H)
                    self.TopY_Hmax = max(self.TopY_Hmax, self.TopY_H + ymax*scale + self.marge)
                    self.TopX_Vmax = max(self.TopX_Hmax, self.TopX_Vmax)
                    self.TopX_Vmax = max(self.TopX_Vmax, self.TopX_Hmax)
                    self.TopX_V = max(self.TopX_Vmax, self.TopX_V)
                else:
                    #
                    # V Add at right on same horizontal line
                    #
                    FreeCAD.Console.PrintMessage('Dawing2d: vertival\n')
                    if self.TopX_V + ymax * scale + 2 * self.marge < self.L and self.TopY_V + xmax * scale + 2*self.marge < self.H:
                        Draft.rotate(obj, 90)
                        Draft.move(obj, FreeCAD.Base.Vector(-obj.BoundBox.XMin, -obj.BoundBox.YMin, 0))
                        self.TopX_V = max(self.TopX_Vmax, self.TopX_V)
                        TopX = self.TopX_V
                        TopY = self.TopY_V
                        self.TopX_V = self.TopX_V + ymax * scale + self.marge
                        self.TopY_Vmax = max(self.TopY_Vmax, self.TopY_V + xmax * scale + self.marge)
                    else:
                        obj_l.append([obj, 'name'])
                        return obj_l
            else:
                # H Carriage return.
                if (self.TopY_Hmax + ymax * scale + self.marge*2 < self.H):
                    FreeCAD.Console.PrintMessage('Dawing2d: carriage return: '+str(self.TopY_H + ymax * scale)+' > '+str(self.H)+'\n')
                    TopX = self.marge*2
                    TopY = self.TopY_Hmax
                    self.TopX_H = TopX + xmax * scale + self.marge
                    self.TopY_H = TopY
                    self.TopX_Hmax = max(self.TopX_Hmax, self.TopX_H)
                    self.TopY_Hmax = self.TopY_Hmax + ymax*scale+self.marge
                    self.TopX_Vmax = max(self.TopX_Vmax, self.TopX_Hmax)
                    self.TopX_V = max(self.TopX_Vmax, self.TopX_V)
                else:
                    # V Add at right on same horizontal line.
                    FreeCAD.Console.PrintMessage('Dawing2d: vertical: ' + str(self.TopX_V) + ', ' + str(self.TopX_Vmax) + '\n')
                    if self.TopX_V + ymax * scale + 2*self.marge < self.L and self.TopY_V + xmax * scale + 2*self.marge < self.H :
                        Draft.rotate(obj, 90)
                        Draft.move(obj, FreeCAD.Base.Vector(-obj.BoundBox.XMin, -obj.BoundBox.YMin, 0))
                        TopX = self.TopX_V
                        TopY = self.TopY_V
                        self.TopX_V = self.TopX_V + ymax * scale + self.marge
                        self.TopY_Vmax = max(self.TopY_Vmax, self.TopY_V + xmax * scale + self.marge)
                    else:
                        obj_l.append([obj, 'name'])
                        return obj_l

        page = FreeCAD.activeDocument().getObject(self.page_name)

        Text = FreeCAD.activeDocument().addObject('Drawing::FeatureViewAnnotation', objname + '_txt')
        Text.Text = objname
        Text.X = TopX + xmax / 2 * scale
        Text.Y = TopY + ymax / 2 * scale
        Text.Scale = 1

        TopView = FreeCAD.activeDocument().addObject('Drawing::FeatureViewPart', 'TopView')
        TopView.Source = obj
        TopView.Direction = (0.0, 0.0, 1)
        TopView.Rotation = 0
        TopView.X = TopX
        TopView.Y = TopY
        TopView.ShowHiddenLines = True
        TopView.Scale = scale
        page.addObject(TopView)
        page.addObject(Text)
        FreeCAD.activeDocument().recompute()
        return obj_l


#####################################
# Dialog Box
#####################################
fields = [['Group Name', 'Unfolding']]
fields.append(['Scale', '1'])

DialogBox = QtGui.QDialog()
DialogBox.resize(250, 250)
DialogBox.setWindowTitle('unfoldBox')
la = QtGui.QVBoxLayout(DialogBox)

# Input fields.
for id_ in range(len(fields)):
    la.addWidget(QtGui.QLabel(fields[id_][0]))
    fields_l.append(QtGui.QLineEdit(fields[id_][1]))
    la.addWidget(fields_l[id_])

scale_check = QtGui.QCheckBox(DialogBox)
scale_check.setObjectName('checkBox')
scale_check.setChecked(True)
la.addWidget(QtGui.QLabel('Scale auto'))
la.addWidget(scale_check)

a3_check = QtGui.QCheckBox(DialogBox)
a3_check.setObjectName('checkBox')
la.addWidget(QtGui.QLabel('A3 Format'))
a3_check.setChecked(False)
la.addWidget(a3_check)

cartridge_check = QtGui.QCheckBox(DialogBox)
cartridge_check.setObjectName('checkBox')
la.addWidget(QtGui.QLabel('Cartridge'))
cartridge_check.setChecked(False)
la.addWidget(cartridge_check)

onedrawing_check = QtGui.QCheckBox(DialogBox)
onedrawing_check.setObjectName('checkBox')
la.addWidget(QtGui.QLabel('Group drawings in page'))
onedrawing_check.setChecked(True)
la.addWidget(onedrawing_check)

sewed_check = QtGui.QCheckBox(DialogBox)
sewed_check.setObjectName('checkBox')
la.addWidget(QtGui.QLabel('Sewed surfaces'))
sewed_check.setChecked(True)
la.addWidget(sewed_check)

box = QtGui.QDialogButtonBox(DialogBox)

box = QtGui.QDialogButtonBox(DialogBox)
box.setOrientation(QtCore.Qt.Horizontal)
box.setStandardButtons(QtGui.QDialogButtonBox.Cancel | QtGui.QDialogButtonBox.Ok)
la.addWidget(box)

QtCore.QObject.connect(box, QtCore.SIGNAL('accepted()'), proceed)
QtCore.QObject.connect(box, QtCore.SIGNAL('rejected()'), close)
QtCore.QMetaObject.connectSlotsByName(DialogBox)
DialogBox.show()