wxPython - 通过按钮更改面板 [英] wxPython - change panel by button

问题描述

我想用 2 个面板编写简单的代码.简单的你好"和旁边的按钮.按钮将面板更改为带有文本面板 2"和旁边的按钮的 panel_2.我不知道我怎样才能做到这一点.有我的代码:

I would like to write simple code with 2 panels. Simple "Hello" and button next to it. Button changes panel to panel_2 with text "Panel 2" and button next to it. I do not know how can I achieve that. There is my code:

import wx


class Glowne(wx.Panel):
    def __init__(self, parent):
        wx.Panel.__init__(self, parent=parent)

        self.SetSize((800,600))

        tekst = 'HELLO'
        font = wx.Font(18, wx.DEFAULT, wx.NORMAL, wx.NORMAL)
        wx.StaticText(self, -1, tekst, (300, 10)).SetFont(font)

        btn = wx.Button(self, -1, "Change panel", (345, 100))
        self.Bind(wx.EVT_BUTTON, Program.zmiana, btn)

 class Glowne1(wx.Panel):
    def __init__(self, parent):
        wx.Panel.__init__(self, parent)

        tekst = 'Panel 2'
        font = wx.Font(18, wx.DEFAULT, wx.NORMAL, wx.NORMAL)
    wx.StaticText(self, -1, tekst, (300, 10)).SetFont(font)

        btn = wx.Button(self, -1, "Change panel", (345, 100))
        #self.Bind(wx.EVT_BUTTON, frame.zmiana, btn)



class Program(wx.Frame):
    def __init__(self):
        wx.Frame.__init__(self, None, wx.ID_ANY,'Program')

        panel_one = Glowne(self)
        self.panel_two = Glowne1(self)
        self.panel_two.Hide()
        self.SetSize((800,600))
        self.Centre()
    def zmiana(self):
        self.panel_one.Hide()
        self.panel_two.Show()   
if __name__ == "__main__":
    app = wx.App(False)
    frame = Program()
    frame.Show()
    app.MainLoop()

感谢您的帮助.我阅读了本教程但我不能用我的简单代码让它工作.

Thank you for any help. I read this tutorial but I can't make it work in my simple code.

推荐答案

Program Frame 需要添加一个 sizer，面板需要自己添加到 btn 以便它们可以从类 Program 访问，绑定到类 Program 内的按钮.

Program Frame needs a sizer added, the panels need self added to btn so they can be accesed from class Program, bind to the buttons inside of the class Program.

这是一个例子

import wx


class Glowne(wx.Panel):

    def __init__(self, parent):
        wx.Panel.__init__(self, parent=parent)

        self.SetSize((800, 600))

        tekst = 'HELLO'
        font = wx.Font(18, wx.DEFAULT, wx.NORMAL, wx.NORMAL)
        wx.StaticText(self, -1, tekst, (300, 10)).SetFont(font)

        self.btn = wx.Button(self, -1, "Change panel", (345, 100))


class Glowne1(wx.Panel):

    def __init__(self, parent):
        wx.Panel.__init__(self, parent)

        tekst = 'Panel 2'
        font = wx.Font(18, wx.DEFAULT, wx.NORMAL, wx.NORMAL)
        wx.StaticText(self, -1, tekst, (300, 10)).SetFont(font)

        self.btn = wx.Button(self, -1, "Change panel", (345, 100))


class Program(wx.Frame):

    def __init__(self):
        wx.Frame.__init__(self, None, wx.ID_ANY, 'Program')

        sizer = wx.BoxSizer()
        self.SetSizer(sizer)

        self.panel_one = Glowne(self)
        sizer.Add(self.panel_one, 1, wx.EXPAND)
        self.panel_one.btn.Bind(wx.EVT_BUTTON, self.show_panel_two)
        self.panel_two = Glowne1(self)
        sizer.Add(self.panel_two, 1, wx.EXPAND)
        self.panel_two.btn.Bind(wx.EVT_BUTTON, self.show_panel_one)
        self.panel_two.Hide()
        self.SetSize((800, 600))
        self.Centre()

    def show_panel_one(self, event):
        self.panel_one.Show()
        self.panel_two.Hide()
        self.Layout()

    def show_panel_two(self, event):
        self.panel_two.Show()
        self.panel_one.Hide()
        self.Layout()


if __name__ == "__main__":
    app = wx.App(False)
    frame = Program()
    frame.Show()
    app.MainLoop()

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