HGKeeper

Catch 'clipboard already open' errors in editors

2018-06-27, Andrey Skvortsov

32445e3c9cfc

Catch 'clipboard already open' errors in editors

Apparently following commits have not fixed the problem completely,
because it still happens (although not so often).

changeset: 2019:b8f795bdfe9f
user: Andrey Skvortsov
date: Fri May 25 17:40:29 2018 +0300
summary: fix hangs on mouse selection in case if wxPython uses wxWidgets with GTK3+ support

changeset: 2018:5ce6d08ff2c7
user: Andrey Skvortsov
date: Fri May 25 17:23:15 2018 +0300
summary: make clipboard open minimal time as wxPython documentation recommends

#!/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.

# 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 wx

from plcopen.structures import TestIdentifier, IEC_KEYWORDS

# -------------------------------------------------------------------------------

# POU Name Dialog

# -------------------------------------------------------------------------------

class PouNameDialog(wx.TextEntryDialog):

def __init__(self, parent, message, caption=_("Please enter text"), defaultValue="",

style=wx.OK | wx.CANCEL | wx.CENTRE, pos=wx.DefaultPosition):

wx.TextEntryDialog.__init__(self, parent, message, caption, defaultValue, style, pos)

self.PouNames = []

self.Bind(wx.EVT_BUTTON, self.OnOK,

self.GetSizer().GetItem(2).GetSizer().GetItem(1).GetSizer().GetAffirmativeButton())

def OnOK(self, event):

message = None

step_name = self.GetSizer().GetItem(1).GetWindow().GetValue()

if step_name == "":

message = _("You must type a name!")

elif not TestIdentifier(step_name):

message = _("\"%s\" is not a valid identifier!") % step_name

elif step_name.upper() in IEC_KEYWORDS:

message = _("\"%s\" is a keyword. It can't be used!") % step_name

elif step_name.upper() in self.PouNames:

message = _("A POU named \"%s\" already exists!") % step_name

if message is not None:

dialog = wx.MessageDialog(self, message, _("Error"), wx.OK | wx.ICON_ERROR)

dialog.ShowModal()

dialog.Destroy()

else:

self.EndModal(wx.ID_OK)

event.Skip()

def SetPouNames(self, pou_names):

self.PouNames = [pou_name.upper() for pou_name in pou_names]

beremiz