docutil/docsvg.py
author Edouard Tisserant
Thu, 04 Jun 2020 11:14:21 +0200
branchsvghmi
changeset 2980 2a21d6060d64
parent 2755 4efc509e9a1a
child 2705 889ec6db6f7d
permissions -rw-r--r--
SVGHMI: add "unsubscribable" property to widgets in order to generalize what already happens for jump buttons.
In most cases jump buttons do not really subscribe to pointed HMI variable, path is given as a relative page jump path. When widget.unsubscribable is set to true, no subscription is made on page switch, but still offset is updated.
This fixes bug happening on relative jump buttons without "disabled" element where offset did not change on relative page switch.
#!/usr/bin/env python
# -*- coding: utf-8 -*-

# This file is part of Beremiz, a Integrated Development Environment for
# programming IEC 61131-3 automates supporting plcopen standard and CanFestival.
#
# Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD
#
# See COPYING file for copyrights details.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.


from __future__ import absolute_import
import os
import subprocess
import wx


def get_inkscape_path():
    """ Return the Inkscape path """
    if wx.Platform == '__WXMSW__':
        from six.moves import winreg
        try:
            svgexepath = winreg.QueryValue(winreg.HKEY_LOCAL_MACHINE,
                                           'Software\\Classes\\svgfile\\shell\\Inkscape\\command')
        except OSError:
            svgexepath = winreg.QueryValue(winreg.HKEY_LOCAL_MACHINE,
                                           'Software\\Classes\\inkscape.svg\\shell\\open\\command')
        svgexepath = svgexepath.replace('"%1"', '').strip()
        return svgexepath.replace('"', '')
    else:
        # TODO: search path
        return os.path.join("/usr/bin", "inkscape")


def open_win_svg(svgexepath, svgfile):
    """ Open Inkscape on Windows platform """
    popenargs = [svgexepath]
    if svgfile is not None:
        popenargs.append(svgfile)
    subprocess.Popen(popenargs)


def open_lin_svg(svgexepath, svgfile):
    """ Open Inkscape on Linux platform """
    if os.path.isfile("/usr/bin/inkscape"):
        os.system("%s %s &" % (svgexepath, svgfile))


def open_svg(svgfile):
    """ Generic function to open SVG file """
    if wx.Platform == '__WXMSW__':
        try:
            open_win_svg(get_inkscape_path(), svgfile)
        except Exception:
            wx.MessageBox("Inkscape is not found or installed !")
            return None
    else:
        svgexepath=get_inkscape_path()
        if os.path.isfile(svgexepath):
            open_lin_svg(svgexepath, svgfile)
        else:
            wx.MessageBox("Inkscape is not found or installed !")
            return None