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在以下示例中，虽然调用了布局函数，但在使用计算按钮后滚动条消失。如果您手动调整重新出现的框架大小。这种行为只发生在windows下，在linux的滚动条功能，因为它应该。滚动条消失/刷新在wx.python中不起作用
要修复它，我尝试了函数refresh（）和update（）（在类GUI_Diagrams_GHL的布局函数中） - 但它没有帮助。
我想我的应用程序降低到这个minmal工作示例：
# -*- coding: utf-8 -*-
import wx
from wx.lib.pubsub import pub
import wx.lib.scrolledpanel as scrolled
import matplotlib
matplotlib.use('WXAgg')
from matplotlib.figure import Figure
from matplotlib.backends.backend_wxagg import FigureCanvasWxAgg as FigCanvas
class MainWindow(wx.Frame):
'''Frame that contains pretty much everything'''
def __init__(self,*args,**kwargs):
'''Constructor'''
super(MainWindow,self).__init__(*args,**kwargs)
self.panel = wx.Panel(self)
notebook = Notebook(self.panel)
sizer = wx.BoxSizer(wx.VERTICAL)
sizer.Add(notebook,1, wx.ALL|wx.EXPAND,4)
self.panel.SetSizerAndFit(sizer)
self.panel.Layout()
class Notebook(wx.Notebook):
def __init__(self, parent):
wx.Notebook.__init__(self, parent, id=wx.ID_ANY, style = wx.BK_DEFAULT)
tabTwo = GUI_Input_GHL(self)
self.AddPage(tabTwo, 'Input')
tabThree = GUI_Diagrams_GHL(self)
self.AddPage(tabThree, 'Diagrams')
class GUI_Input_GHL(scrolled.ScrolledPanel):
"""This panel contains the input fields for basic data."""
def __init__(self, parent):
scrolled.ScrolledPanel.__init__(self, parent=parent, id=wx.ID_ANY)
self.label_1 = wx.StaticText(self,-1,label=u'Label 1')
self.button2 = wx.Button(self,-1,label=u'Start')
self.Bind(wx.EVT_BUTTON, self.StartCalc, self.button2)
self.layout()
def layout(self):
sizer = wx.GridBagSizer()
sizer.Add(self.button2, (8,0),(2,3), flag =wx.EXPAND)
sizer.Add(self.label_1, (0,0),flag=wx.ALIGN_CENTER_VERTICAL)
self.SetAutoLayout(1)
self.SetupScrolling()
self.SetSizerAndFit(sizer)
def StartCalc(self,event):
pub.sendMessage('GUI_Diagrams_Listener', message = 'test')
class GUI_Diagrams_GHL(scrolled.ScrolledPanel):
"""This panel contains diagrams"""
def __init__(self, parent):
scrolled.ScrolledPanel.__init__(self, parent=parent, id=wx.ID_ANY)
self.parent = parent
self.fig1 = Figure()
self.fig6 = Figure()
self.canvas1 = FigCanvas(self,-1,self.fig1)
self.axes1 = self.fig1.add_subplot(111)
self.canvas6 = FigCanvas(self,-1,self.fig6)
self.axes6 = self.fig6.add_subplot(111)
self.dia_R_hat_SetValues('test')
self.dia_theta_SetValues('test')
self.layout()
pub.subscribe(self.diagrams_SetValues, "GUI_Diagrams_Listener")
def layout(self):
sizer = wx.GridBagSizer()
sizer.Add(self.canvas1, (1,0), (12,12), wx.EXPAND)
sizer.Add(self.canvas6, (53,0), (12,12), wx.EXPAND)
## I guess here is the problem somewhere:
self.SetSizerAndFit(sizer)
self.SetAutoLayout(1)
self.SetupScrolling()
#self.Fit()
#self.Layout()
#self.FitInside()
#self.AlwaysShowScrollbars(True,True)
#self.Refresh()
#self.Update()
#self.parent.SetSize(self.parent.GetSize())
def diagrams_SetValues(self, message):
self.Output = message
self.dia_R_hat_SetValues(message)
self.dia_theta_SetValues(message)
self.layout()
def dia_R_hat_SetValues(self, Output):
self.axes1.clear()
self.axes1.plot(range(15),range(15), 'r-', linewidth = 2)
self.canvas1.draw()
def dia_theta_SetValues(self, Output):
self.axes6.clear()
self.axes6.plot(range(5),'k')
self.axes6.set_title(r"Absolute Temperature")
self.canvas6.draw()
if __name__ == '__main__':
app = wx.App()
frame = MainWindow(None, -1, 'MyApp')
frame.Show()
app.MainLoop()