wxPython，使用SplitterWindow

Question

我想把TreeCtrl放在SplitterWindow的两边。当然，TreeCtrl应该扩展作为窗口的大小。

splitter  = wx.SplitterWindow(self, style = wx.SP_BORDER)

leftPanel = wx.Panel(splitter)
rightPanel  = wx.Panel(splitter)

leftSizer = wx.BoxSizer(wx.VERTICAL)
rightSizer  = wx.BoxSizer(wx.VERTICAL)

localTree = wx.TreeCtrl(leftPanel)
flickrTree  = wx.TreeCtrl(rightPanel)

leftSizer.Add(localTree, flag = wx.EXPAND | wx.ALIGN_CENTER)
rightSizer.Add(flickrTree, flag = wx.EXPAND)

splitter.SplitVertically(leftPanel, rightPanel)
leftPanel.SetSizer(leftSizer)
leftPanel.SetAutoLayout(1)
leftSizer.Fit(leftPanel)

我已经尝试了上面的代码，但是TreeCtrl的高度并没有像我预期的那样扩展。

它出了什么问题？

Answer 1

以下适用于我：

splitter = wx.SplitterWindow(self, style = wx.SP_BORDER)
leftPanel = wx.Panel(splitter)
rightPanel = wx.Panel(splitter)

localTree = wx.TreeCtrl(leftPanel)
leftSizer = wx.BoxSizer(wx.VERTICAL)
leftSizer.Add(localTree, 1, wx.EXPAND | wx.ALL)
leftPanel.SetSizer(leftSizer)

flickrTree  = wx.TreeCtrl(rightPanel)
rightSizer = wx.BoxSizer(wx.VERTICAL)
rightSizer.Add(flickrTree, 1, wx.EXPAND | wx.ALL)
rightPanel.SetSizer(rightSizer)

splitter.SplitVertically(leftPanel, rightPanel)

关键是在将TreeCtrl添加到BoxSizer时设置比例值，即：

leftSizer.Add（localTree，1，wx.EXPAND | wx.ALIGN_CENTER）

而不是：

leftSizer.Add（localTree，flag = wx.EXPAND | wx.ALIGN_CENTER）

否则，默认为零。