wxpython窗口部件内没有对事件作出响应

Question

我是wxpython的新手，一直在试图在书籍中插入一些窗口部件（treebook，notebook，choicebook）我经常以放置在容器内的一些窗口部件没有响应事件。我不确定我做错了什么。以下是我的代码之一

import wx 

class ChoicePanelTwo(wx.Panel): 
    def __init__(self, parent, seed): 
     wx.Panel.__init__(self, parent=parent, id=wx.ID_ANY) 
     self.SetBackgroundColour('blue') 
     sizer = wx.BoxSizer(wx.HORIZONTAL) 
     self.List = wx.ListCtrl(self, -1, style=wx.LC_REPORT) 
     for i in range(seed): 
      self.List.InsertStringItem(i, str(i)) 
     sizer.Add(self.List, 1, wx.ALL|wx.EXPAND, 5) 
     self.SetSizer(sizer) 

class ChoicePanelOne(wx.Panel): 
    def __init__(self, parent, seed): 
     wx.Panel.__init__(self, parent=parent, id=wx.ID_ANY) 
     self.SetBackgroundColour('green') 
     sizer = wx.BoxSizer(wx.HORIZONTAL) 
     self.RegisterList = wx.Choicebook(self, wx.ID_ANY) 
     sizer.Add(self.RegisterList, 1, wx.ALL|wx.EXPAND, 5) 
     for i in range(seed): 
      self.RegisterList.AddPage(ChoicePanelTwo(self, seed*50), str(i)) 
     self.SetSizer(sizer) 

class TreePanel(wx.Panel): 
    def __init__(self, parent, seed): 
     wx.Panel.__init__(self, parent, id=wx.ID_ANY) 
     self.SetBackgroundColour('cyan') 
     self.Choicbook = wx.Choicebook(self, wx.ID_ANY) 
     for i in range(seed): 
      self.Choicbook.AddPage(ChoicePanelOne(self, seed*2), str(i)) 
     sizer = wx.BoxSizer(wx.VERTICAL) 
     sizer.Add(self.Choicbook, 1, wx.ALL|wx.EXPAND, 5) 
     self.SetSizer(sizer) 

class AppFrame(wx.Frame): 
    """ The main frame of the application 
    """ 
    title = 'Application' 
    WindowSize = (1024, 768) 
    seed = 2 

    def __init__(self): 
     wx.Frame.__init__(self, None, -1, self.title, size=self.WindowSize, style=wx.MINIMIZE_BOX|wx.SYSTEM_MENU|wx.CAPTION|wx.CLOSE_BOX|wx.CLIP_CHILDREN) 
     self.create_main_panel() 

    def create_main_panel(self): 
     self.panel = TreePanel(self, self.seed)   

if __name__ == '__main__': 
    app = wx.PySimpleApp() 
    app.frame = AppFrame() 
    app.frame.Show() 
    app.MainLoop() 

在此示例中。选择书和列表似乎工作。我做错了什么？

Answer 1

这是一个养育子女的问题。你将所有的ChoicePanelOne实例的父母设置为TreePanel，当它应该是ChoicBook。你在ChoicePanelOne中做同样的事情，在那里你创建了一大堆ChoicePanelTwo，它们的父母是ChoicePanelOne，当他们应该是RegisterList时。查看下面稍微更改的代码：

import wx 

class ChoicePanelTwo(wx.Panel): 
    def __init__(self, parent, seed): 
     wx.Panel.__init__(self, parent=parent, id=wx.ID_ANY) 
     self.SetBackgroundColour('blue') 
     sizer = wx.BoxSizer(wx.HORIZONTAL) 
     self.List = wx.ListCtrl(self, -1, style=wx.LC_REPORT) 
     for i in range(seed): 
      self.List.InsertStringItem(i, str(i)) 
     sizer.Add(self.List, 1, wx.ALL|wx.EXPAND, 5) 
     self.SetSizer(sizer) 

class ChoicePanelOne(wx.Panel): 
    def __init__(self, parent, seed): 
     wx.Panel.__init__(self, parent=parent, id=wx.ID_ANY) 
     self.SetBackgroundColour('green') 
     sizer = wx.BoxSizer(wx.HORIZONTAL) 
     self.RegisterList = wx.Choicebook(self, wx.ID_ANY) 
     sizer.Add(self.RegisterList, 1, wx.ALL|wx.EXPAND, 5) 
     for i in range(seed): 
      self.RegisterList.AddPage(ChoicePanelTwo(self.RegisterList, seed*50), str(i)) 
     self.SetSizer(sizer) 

class TreePanel(wx.Panel): 
    def __init__(self, parent, seed): 
     wx.Panel.__init__(self, parent, id=wx.ID_ANY) 
     self.SetBackgroundColour('cyan') 
     self.Choicbook = wx.Choicebook(self, wx.ID_ANY) 
     for i in range(seed): 
      self.Choicbook.AddPage(ChoicePanelOne(self.Choicbook, seed*2), str(i)) 
     sizer = wx.BoxSizer(wx.VERTICAL) 
     sizer.Add(self.Choicbook, 1, wx.ALL|wx.EXPAND, 5) 
     self.SetSizer(sizer) 

class AppFrame(wx.Frame): 
    """ The main frame of the application 
    """ 
    title = 'Application' 
    WindowSize = (1024, 768) 
    seed = 2 

    def __init__(self): 
     wx.Frame.__init__(self, None, -1, self.title, size=self.WindowSize, 
          style=wx.MINIMIZE_BOX|wx.SYSTEM_MENU|wx.CAPTION|wx.CLOSE_BOX|wx.CLIP_CHILDREN) 
     self.create_main_panel() 

    def create_main_panel(self): 
     self.panel = TreePanel(self, self.seed)   

if __name__ == '__main__': 
    app = wx.PySimpleApp() 
    app.frame = AppFrame() 
    app.frame.Show() 
    app.MainLoop() 

您应该下载wxPython演示程序，因为它有很多很好的示例。另请参阅wiki或我的blog article。

您可以使用Widget Inspection Tool来帮助您诊断问题，以及它会告诉您哪些父母是在哪里以及如何布置sizer以及其他内容。