--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/controls/CustomIntCtrl.py Fri Sep 15 20:01:21 2017 +0300
@@ -0,0 +1,88 @@
+#!/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) 2017: Andrey Skvortsov
+#
+# 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.
+
+
+import wx
+from wx.lib.intctrl import IntCtrl
+
+
+class CustomIntUpdatedEvent(wx.PyCommandEvent):
+ def __init__(self, id, value=0, object=None):
+ wx.PyCommandEvent.__init__(self, CustomIntCtrl.wxEVT_COMMAND_CUSTOM_INT_UPDATED, id)
+
+ self.__value = value
+ self.SetEventObject(object)
+
+ def GetValue(self):
+ """Retrieve the value of the control at the time
+ this event was generated."""
+ return self.__value
+
+
+class CustomIntCtrl(wx.lib.intctrl.IntCtrl):
+ """
+ This class provides a control that takes and returns long as
+ value, and provides bounds support and optional value limiting.
+
+ It handles entering negative numbers more user-friendly than
+ original wx.lib.intctrl.IntCtrl.
+
+ It applies limits as focus is changed to other control and
+ sends event afterwards to signal that editing is done.
+ """
+
+ # Used to trap events indicating that the current
+ # integer value of the control has been changed.
+ wxEVT_COMMAND_CUSTOM_INT_UPDATED = wx.NewEventType()
+ EVT_CUSTOM_INT = wx.PyEventBinder(wxEVT_COMMAND_CUSTOM_INT_UPDATED, 1)
+
+ def __init__(self, *args, **kwargs):
+ wx.lib.intctrl.IntCtrl.__init__(self, *args, **kwargs)
+ self.Bind(wx.EVT_KILL_FOCUS, self.UpdateValue)
+ self.SetLongAllowed(True)
+ self.SetLimited(False)
+
+ def GetValue(self):
+ """
+ Returns integer (long) value of the control,
+ but handles entering negative numbers
+ """
+ s = wx.TextCtrl.GetValue(self)
+ if s == '-':
+ s = ''
+ return self._fromGUI(s)
+
+ def GetValueStr(self):
+ """Returns string value of TextCtrl"""
+ return wx.TextCtrl.GetValue(self)
+
+ def UpdateValue(self, event):
+ self.SetLimited(True)
+ self.SetLimited(False)
+ try:
+ self.GetEventHandler().ProcessEvent(
+ CustomIntUpdatedEvent(self.GetId(), self.GetValue(), self))
+ except ValueError:
+ return
+ event.Skip()