作者:George | 来源:互联网 | 2018-07-18 18:38
涉及到开发桌面程序,尤其是文本处理,剪贴板就很常用,不像 java 中那么烦锁,wxpython 中访问剪贴板非常简单,寥寥几句足以。
# 取得剪贴板并确保其为打开状态
text_obj = wx.TextDataObject()
wx.TheClipboard.Open()
if wx.TheClipboard.IsOpened() or wx.TheClipboard.Open():
# do something...
wx.TheClipboard.Close()
取值:
if wx.TheClipboard.GetData(text_obj):
text = text_obj.GetText()
写值:
text_obj.SetText(‘要写入的值')
wx.TheClipboard.SetData(text_obj)
下面的例子中,点击 Copy 会将文本框中的值复制到剪贴板,点击 Paste 会将剪贴板中的文本粘贴到文本框中。
"""
Get text from and put text on the clipboard.
"""
import wx
class MyFrame(wx.Frame):
def __init__(self):
wx.Frame.__init__(self, None, title='Accessing the clipboard', size=(400, 300))
# Components
self.panel = wx.Panel(self)
self.text = wx.TextCtrl(self.panel, pos=(10, 10), size=(370, 220))
self.copy = wx.Button(self.panel, wx.ID_ANY, label='Copy', pos=(10, 240))
self.paste = wx.Button(self.panel, wx.ID_ANY, label='Paste', pos=(100, 240))
# Event bindings.
self.Bind(wx.EVT_BUTTON, self.OnCopy, self.copy)
self.Bind(wx.EVT_BUTTON, self.OnPaste, self.paste)
def OnCopy(self, event):
text_obj = wx.TextDataObject()
text_obj.SetText(self.text.GetValue())
if wx.TheClipboard.IsOpened() or wx.TheClipboard.Open():
wx.TheClipboard.SetData(text_obj)
wx.TheClipboard.Close()
def OnPaste(self, event):
text_obj = wx.TextDataObject()
if wx.TheClipboard.IsOpened() or wx.TheClipboard.Open():
if wx.TheClipboard.GetData(text_obj):
self.text.SetValue(text_obj.GetText())
wx.TheClipboard.Close()
app = wx.App(False)
frame = MyFrame()
frame.Show(True)
app.MainLoop()