controls/CustomStyledTextCtrl.py
author Andrey Skvortsov <andrej.skvortzov@gmail.com>
Thu, 17 Nov 2016 13:48:04 +0300
changeset 1565 894f31f8ca64
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child 1735 c02818d7e29f
permissions -rw-r--r--
make about dialog boxes use standard wx about dialogs

Any information in dialog can be easily changed without much effort
and the dialog can be easy translated.

Unfortunately on Windows there is no good standard about dialog,
therefore own implementation is used there.
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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# This file is part of Beremiz, a Integrated Development Environment for
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# programming IEC 61131-3 automates supporting plcopen standard and CanFestival.
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#
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# Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD
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#
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# See COPYING file for copyrights details.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
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import wx
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import wx.stc
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if wx.Platform == '__WXMSW__':
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    faces = { 'times': 'Times New Roman',
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              'mono' : 'Courier New',
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              'helv' : 'Arial',
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              'other': 'Comic Sans MS',
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              'size' : 10,
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             }
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else:
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    faces = { 'times': 'Times',
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              'mono' : 'Courier',
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              'helv' : 'Helvetica',
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              'other': 'new century schoolbook',
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              'size' : 12,
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             }
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NAVIGATION_KEYS = [
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    wx.WXK_END,
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    wx.WXK_HOME,
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    wx.WXK_LEFT,
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    wx.WXK_UP,
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    wx.WXK_RIGHT,
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    wx.WXK_DOWN,
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    wx.WXK_PAGEUP,
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    wx.WXK_PAGEDOWN,
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    wx.WXK_NUMPAD_HOME,
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    wx.WXK_NUMPAD_LEFT,
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    wx.WXK_NUMPAD_UP,
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    wx.WXK_NUMPAD_RIGHT,
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    wx.WXK_NUMPAD_DOWN,
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    wx.WXK_NUMPAD_PAGEUP,
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    wx.WXK_NUMPAD_PAGEDOWN,
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    wx.WXK_NUMPAD_END]
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def GetCursorPos(old, new):
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    if old == "":
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        return 0
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    old_length = len(old)
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    new_length = len(new)
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    common_length = min(old_length, new_length)
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    i = 0
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    for i in xrange(common_length):
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        if old[i] != new[i]:
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            break
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    if old_length < new_length:
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        if common_length > 0 and old[i] != new[i]:
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            return i + new_length - old_length
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        else:
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            return i + new_length - old_length + 1
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    elif old_length > new_length or i < min(old_length, new_length) - 1:
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        if common_length > 0 and old[i] != new[i]:
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            return i
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        else:
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            return i + 1
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    else:
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        return None
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class CustomStyledTextCtrl(wx.stc.StyledTextCtrl):
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    def __init__(self, *args, **kwargs):
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        wx.stc.StyledTextCtrl.__init__(self, *args, **kwargs)
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        self.Bind(wx.EVT_MOTION, self.OnMotion)
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    def OnMotion(self, event):
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        if wx.Platform == '__WXMSW__':
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            if not event.Dragging():
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                x, y = event.GetPosition()
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                margin_width = reduce(
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                        lambda x, y: x + y,
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                        [self.GetMarginWidth(i)
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                         for i in xrange(3)],
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                        0)
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                if x <= margin_width:
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                    self.SetCursor(wx.StockCursor(wx.CURSOR_ARROW))
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                else:
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                    self.SetCursor(wx.StockCursor(wx.CURSOR_IBEAM))
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            else:
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                event.Skip()
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        else:
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            event.Skip()
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    def AppendText(self, text):
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        self.GotoPos(self.GetLength())
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        self.AddText(text)