我想将选定的文本wxTextCtrl左对齐或右对齐。这是我整个程序的代码。我需要将文本向右对齐，并在单击按钮时向左对齐。
class Beditor(wx.Frame):
def __init__(self, parent, id, title):
wx.Frame.__init__(self, parent, id, title, size=(800,600))
self.SetIcon(wx.Icon('/usr/share/ezhuthani/icons/icon.png', wx.BITMAP_TYPE_PNG))
## variables
self.modify = False
self.last_name_saved = ''
self.replace = False
self.word = ''
## Class Methods
def NewApplication(self, event):
editor = Beditor(None, -1, window_title + '[Untitled/പേരു നൽകിയിട്ടില്ല]' )
editor.Centre()
editor.Show()
def OnOpenFile(self, event):
file_name = os.path.basename(self.last_name_saved)
if self.modify:
dlg = wx.MessageDialog(self, 'Save changes?/മാറ്റങ്ങൾ സംഭരിക്കേണ്ടതുണ്ടോ?', '', wx.YES_NO | wx.YES_DEFAULT | wx.CANCEL |
wx.ICON_QUESTION)
val = dlg.ShowModal()
if val == wx.ID_YES:
self.OnSaveFile(event)
self.DoOpenFile()
elif val == wx.ID_CANCEL:
dlg.Destroy()
else:
self.DoOpenFile()
else:
self.DoOpenFile()
def DoOpenFile(self):
wcd = 'All files (*)|*|Editor files (*.ef)|*.ef|'
dir = os.getcwd()
open_dlg = wx.FileDialog(self, message='Choose a file/ഒരു രേഖ തിരഞ്ഞെടുക്കുക', defaultDir=dir, defaultFile='',
wildcard=wcd, style=wx.OPEN|wx.CHANGE_DIR)
if open_dlg.ShowModal() == wx.ID_OK:
path = open_dlg.GetPath()
try:
file = open(path, 'r')
text = file.read()
file.close()
if self.text.GetLastPosition():
self.text.Clear()
self.text.WriteText(text)
self.last_name_saved = path
self.statusbar.SetStatusText('', 1)
self.modify = False
self.SetTitle(window_title + path)
except IOError, error:
dlg = wx.MessageDialog(self, 'Error opening file/രേഖ തുറക്കാന് കഴിയില്ല\n' + str(error))
dlg.ShowModal()
except UnicodeDecodeError, error:
dlg = wx.MessageDialog(self, 'Error opening file/രേഖ തുറക്കാന് കഴിയില്ല\n' + str(error))
dlg.ShowModal()
open_dlg.Destroy()
def OnSaveFile(self, event):
if self.last_name_saved:
try:
file = open(self.last_name_saved, 'w')
text = self.text.GetValue()
file.write(text.encode('utf-8'))
file.close()
self.statusbar.SetStatusText(os.path.basename(self.last_name_saved) + ' saved/സംഭരിച്ചു', 0)
self.modify = False
self.statusbar.SetStatusText('', 1)
except IOError, error:
dlg = wx.MessageDialog(self, 'Error saving file/രേഖ സംഭരിക്കാൻ കഴിയില്ല\n' + str(error))
dlg.ShowModal()
else:
self.OnSaveAsFile(event)
def OnSaveAsFile(self, event):
wcd='All files(*)|*|Editor files (*.ef)|*.ef|'
dir = os.getcwd()
save_dlg = wx.FileDialog(self, message='Save file as.../വേറേതായി സംഭരിക്കുക...', defaultDir=dir, defaultFile='',
wildcard=wcd, style=wx.SAVE | wx.OVERWRITE_PROMPT)
if save_dlg.ShowModal() == wx.ID_OK:
path = save_dlg.GetPath()
try:
file = open(path, 'w')
text = self.text.GetValue()
file.write(text.encode('utf-8'))
file.close()
self.last_name_saved = os.path.basename(path)
self.statusbar.SetStatusText(self.last_name_saved + ' saved/സംഭരിച്ചു', 0)
self.modify = False
self.statusbar.SetStatusText('', 1)
self.SetTitle(window_title + path)
except IOError, error:
dlg = wx.MessageDialog(self, 'Error saving file/രേഖ സംഭരിക്കാൻ കഴിയില്ല\n' + str(error))
dlg.ShowModal()
save_dlg.Destroy()
def OnCut(self, event):
self.text.Cut()
def OnCopy(self, event):
self.text.Copy()
def OnPaste(self, event):
self.text.Paste()
def QuitApplication(self, event):
if self.modify:
dlg = wx.MessageDialog(self, 'Save before Exit?/പുറത്തു പോകുന്നതിനു മുൻപ് രേഖ സംഭരിക്കേണ്ടതുണ്ടോ?', '', wx.YES_NO | wx.YES_DEFAULT |
wx.CANCEL | wx.ICON_QUESTION)
val = dlg.ShowModal()
if val == wx.ID_YES:
self.OnSaveFile(event)
if not self.modify:
wx.Exit()
elif val == wx.ID_CANCEL:
dlg.Destroy()
else:
self.Destroy()
else:
self.Destroy()
def OnDelete(self, event):
frm, to = self.text.GetSelection()
self.text.Remove(frm, to)
def OnSelectAll(self, event):
self.text.SelectAll()
def OnTextChanged(self, event):
self.modify = True
self.statusbar.SetStatusText(' modified', 1)
event.Skip()
def OnKeyDown(self, event):
keycode = event.GetKeyCode()
if keycode == wx.WXK_INSERT:
if not self.replace:
self.statusbar.SetStatusText('INS', 2)
self.replace = True
else:
self.statusbar.SetStatusText('', 2)
self.replace = False
event.Skip()
def ToggleStatusBar(self, event):
if self.statusbar.IsShown():
self.statusbar.Hide()
else:
self.statusbar.Show()
def StatusBar(self):
self.statusbar = self.CreateStatusBar()
self.statusbar.SetStatusStyles([wx.SB_VERTICAL])
self.statusbar.SetFieldsCount(3)
self.statusbar.SetStatusWidths([-13, -3, -2])
def LayoutHelp(self, event):
info = wx.AboutDialogInfo()
info.SetIcon(wx.Icon('/usr/share/ezhuthani/icons/ezhuthani.png', wx.BITMAP_TYPE_PNG))
info.SetName('Layout')
wx.AboutBox(info)
def ToggleConvInToolbar(self, event):
if self.convert.IsChecked():
toggle = True
else:
toggle = False
self.toolbar.ToggleTool(504, toggle)
def ToggleConvInMenu(self, event):
self.convert.Toggle()
def OnAbout(self, event):
description = """എഴുത്താണി """ """\n A Malayalam Phonetic Text Editor for GNU/Linux systems\n"""
licence = """
എഴുത്താണി is a 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 3 of the License, or (at your option) any later version.
എഴുത്താണി 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 എഴുത്താണി ; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 0211"""
info = wx.AboutDialogInfo()
info.SetIcon(wx.Icon('/usr/share/ezhuthani/icons/logo.png', wx.BITMAP_TYPE_PNG))
info.SetName('എഴുത്താണി')
info.SetVersion('0.1')
info.SetDescription(description)
info.SetCopyright('Developed by IIITM-K Trivandrum')
info.SetWebSite('http://www.iiitmk.ac.in/vrclc/')
info.SetLicence(licence)
info.AddDeveloper('Christy , Arun')
info.AddDocWriter('Arun, Christy')
info.AddArtist('The IIITMK crew :-)')
info.SetName('എഴുത്താണി')
wx.AboutBox(info)
def FontSel(self, event):
default_font = wx.Font(14, wx.DEFAULT, wx.NORMAL, wx.NORMAL, 0, "")
data = wx.FontData()
data.SetAllowSymbols(False)
data.SetInitialFont(default_font)
data.SetRange(10, 30)
dlg = wx.FontDialog(self, data)
if dlg.ShowModal() == wx.ID_OK:
data = dlg.GetFontData()
font = data.GetChosenFont()
color = data.GetColour()
text = 'Face: %s, Size: %d, Color: %s' % (font.GetFaceName(), font.GetPointSize(), color.Get())
self.text.SetFont(font)
dlg.Destroy()
def PreviewConv(self, event):
keycode = event.GetKeyCode()
if not self.convert.IsChecked():
if 32 < keycode <= 126:
key = chr(keycode)
self.word += key
self.statusbar.SetStatusText(engine.roman2beng(self.word.encode('utf-8')),0)
elif keycode == wx.WXK_SPACE:
self.statusbar.SetStatusText('',0)
self.word = ''
elif keycode == wx.WXK_HOME or keycode == wx.WXK_END:
self.statusbar.SetStatusText('',0)
self.word = ''
else:
event.Skip()
text = self.text.GetRange(0, self.text.GetInsertionPoint()-1)
sow = text.rfind(' ') ## sow = start of word (caret position)
if sow == -1: ## you are at the start of document, so remove the initial space
sow = 0
self.word = self.text.GetRange(sow, self.text.GetInsertionPoint()-1)
self.statusbar.SetStatusText(engine.roman2beng(self.word.encode('utf-8')),0)
else:
self.statusbar.SetStatusText('',0)
self.word = ''
event.Skip()
def populateStore(self, event):
keycode = event.GetKeyCode()
if keycode == wx.WXK_SPACE:
event.Skip()
stockUndo.append(self.text.GetValue())
self.toolbar.EnableTool( 808, True)
if len(stockUndo) > depth:
del stockUndo[0]
event.Skip()
###### converting to Malayalam using engine ##########
def conv(self, event):
## New Algorithm for Ver 1.2
keycode = event.GetKeyCode()
if keycode == wx.WXK_SPACE:
#if keycode == event.GetKeyCode():
text = self.text.GetRange(0, self.text.GetInsertionPoint())
wordlist = text.split(' ')
cur_word = ' ' + wordlist[-1] ## cur_word = current word
sow = text.rfind(' ') ## sow = start of word (caret position)
#event.Skip()
if sow == -1: ## you are at the start of document, so remove the initial space
sow = 0
cur_word = cur_word[1:]
if not self.convert.IsChecked():
self.text.Replace(sow, self.text.GetInsertionPoint(), engine.roman2beng(cur_word.encode('utf-8') ))
event.Skip()
app = wx.App()
Beditor(None, -1, window_title + '[Untitled] / പേരു നൽകിയിട്ടില്ല')
app.MainLoop()