我应该如何在我的应用程序中使用 wxFormBuilder Python GUI 代码？

Question

我正在尝试为 Windows 中的 Python 程序创建一个 GUI，我有点困惑 atm..

我使用 wxFormBuilder 创建了 GUI，它看起来像这样：

# -*- coding: utf-8 -*- 

###########################################################################
## Python code generated with wxFormBuilder (version Jun 17 2015)
## http://www.wxformbuilder.org/
##
## PLEASE DO "NOT" EDIT THIS FILE!
###########################################################################

import wx
import wx.xrc

###########################################################################
## Class MainFrame
###########################################################################

class MainFrame ( wx.Frame ):

    def __init__( self, parent ):
        wx.Frame.__init__ ( self, parent, id = wx.ID_ANY, title = u"Editor_SPED_LP", pos = wx.DefaultPosition, size = wx.Size( 320,255 ), style = wx.DEFAULT_FRAME_STYLE|wx.TAB_TRAVERSAL )

        self.SetSizeHintsSz( wx.Size( 320,255 ), wx.Size( 320,255 ) )

        bSizer1 = wx.BoxSizer( wx.VERTICAL )

        self.m_textCtrl2 = wx.TextCtrl( self, wx.ID_ANY, wx.EmptyString, wx.DefaultPosition, wx.DefaultSize, 0 )
        bSizer1.Add( self.m_textCtrl2, 0, wx.ALL|wx.EXPAND, 5 )

        self.m_btn_abrirArq = wx.Button( self, wx.ID_ANY, u"Abrir arquivo...", wx.DefaultPosition, wx.DefaultSize, 0 )
        bSizer1.Add( self.m_btn_abrirArq, 0, wx.ALL, 5 )

        self.m_btn_editarTxt = wx.Button( self, wx.ID_ANY, u"Editar .txt", wx.DefaultPosition, wx.DefaultSize, 0 )
        bSizer1.Add( self.m_btn_editarTxt, 0, wx.ALL, 5 )

        self.m_gauge1 = wx.Gauge( self, wx.ID_ANY, 100, wx.DefaultPosition, wx.DefaultSize, wx.GA_HORIZONTAL )
        self.m_gauge1.SetValue( 0 ) 
        bSizer1.Add( self.m_gauge1, 0, wx.ALL, 5 )

        self.m_btn_ajuda = wx.Button( self, wx.ID_ANY, u"Ajuda", wx.DefaultPosition, wx.DefaultSize, 0 )
        bSizer1.Add( self.m_btn_ajuda, 0, wx.ALL, 5 )

        self.m_staticText2 = wx.StaticText( self, wx.ID_ANY, wx.EmptyString, wx.DefaultPosition, wx.DefaultSize, 0 )
        self.m_staticText2.Wrap( -1 )
        bSizer1.Add( self.m_staticText2, 0, wx.ALL, 5 )

        self.m_btn_sair = wx.Button( self, wx.ID_ANY, u"Sair", wx.DefaultPosition, wx.DefaultSize, 0 )
        bSizer1.Add( self.m_btn_sair, 0, wx.ALL, 5 )


        self.SetSizer( bSizer1 )
        self.Layout()

        self.Centre( wx.BOTH )

        # Connect Events
        self.m_btn_abrirArq.Bind( wx.EVT_BUTTON, self.abrirArquivo )
        self.m_btn_editarTxt.Bind( wx.EVT_BUTTON, self.editarTxt )
        self.m_btn_ajuda.Bind( wx.EVT_BUTTON, self.janelaAjuda )
        self.m_btn_sair.Bind( wx.EVT_BUTTON, self.sair )

    def __del__( self ):
        pass


    # Virtual event handlers, overide them in your derived class
    def abrirArquivo( self, event ):
        event.Skip()

    def editarTxt( self, event ):
        event.Skip()

    def janelaAjuda( self, event ):
        event.Skip()

    def sair( self, event ):
        event.Skip()

当我从终端运行它没有显示任何错误...

how am i supposed to use it with my application?

我找到了这个教程here，但我看不懂..

我还尝试在脚本末尾添加该代码：

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

并收到此错误：

File "gui.py", line 80, in <module>
    frame = MainFrame(seld,parent)
NameError: name 'self' is not defined

so..看起来gui代码没问题，问题是我不知道如何初始化它并添加一些功能..

有人可以帮我吗？

Answer 1

我成功尝试使用：

#importing wx files
import wx
#import the newly created GUI file
import gui


#inherit from the MainFrame created in wxFormBuilder and create janelaPrincipal
class janelaPrincipal(gui.MainFrame):
    #constructor
    def __init__(self,parent):
        #initialize parent class
        gui.MainFrame.__init__(self,parent)


    #what to do when each function button is clicked

    def editarTxt(self,event):
        try:
            #write the editarTxt code inside here

        except Exception:
            print 'error'


#mandatory in wx
#create an app, False stands for not deteriction stdin/stdout
#refer manual for details
app = wx.App(False)

#create an object of janelaPrincipal
frame = janelaPrincipal(None)
#show the frame
frame.Show(True)
#start the applications
app.MainLoop()

但我实际上不知道它为什么起作用.. 还需要一些解释，拜托.. :-)

Answer 2

您遇到的问题是 "init" function/method。它接受创建 MainFrame 对象时必须指定的两个参数（self 和 parent）。

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

self 自动指定（你没有明确指定）

parent 设置为 None（您明确指定为 None）

请参阅下面的屏幕截图和 wxFormBuilder - Tutorial on “A GUI for making GUIs” for Python

Answer 3

您只需将以下内容添加到您的程序底部：

if __name__ == '__main__':
    app = wx.App(False)
    frame = MainFrame(parent=None)
    frame.Show()
    app.MainLoop()

这告诉 Python 要做的是创建 wx.App class 的实例。 False 参数告诉 wxPython 它不应该将标准输出重定向到新的 window。接下来我们创建您的 class、MainFrame 的实例并将其父级设置为 None。之后，我们 Show 框架。如果我们不这样做，代码仍然可以工作，但您将看不到任何东西。最后我们调用应用对象的MainLoop函数，这样wxPython就可以真正开始运行和处理事件了。

完整代码如下：

# -*- coding: utf-8 -*-

###########################################################################
## Python code generated with wxFormBuilder (version Jun 17 2015)
## http://www.wxformbuilder.org/
##
## PLEASE DO "NOT" EDIT THIS FILE!
###########################################################################

import wx
import wx.xrc

###########################################################################
## Class MainFrame
###########################################################################

class MainFrame ( wx.Frame ):

    def __init__( self, parent ):
        wx.Frame.__init__ ( self, parent, id = wx.ID_ANY, title = u"Editor_SPED_LP", pos = wx.DefaultPosition, size = wx.Size( 320,255 ), style = wx.DEFAULT_FRAME_STYLE|wx.TAB_TRAVERSAL )

        self.SetSizeHintsSz( wx.Size( 320,255 ), wx.Size( 320,255 ) )

        bSizer1 = wx.BoxSizer( wx.VERTICAL )

        self.m_textCtrl2 = wx.TextCtrl( self, wx.ID_ANY, wx.EmptyString, wx.DefaultPosition, wx.DefaultSize, 0 )
        bSizer1.Add( self.m_textCtrl2, 0, wx.ALL|wx.EXPAND, 5 )

        self.m_btn_abrirArq = wx.Button( self, wx.ID_ANY, u"Abrir arquivo...", wx.DefaultPosition, wx.DefaultSize, 0 )
        bSizer1.Add( self.m_btn_abrirArq, 0, wx.ALL, 5 )

        self.m_btn_editarTxt = wx.Button( self, wx.ID_ANY, u"Editar .txt", wx.DefaultPosition, wx.DefaultSize, 0 )
        bSizer1.Add( self.m_btn_editarTxt, 0, wx.ALL, 5 )

        self.m_gauge1 = wx.Gauge( self, wx.ID_ANY, 100, wx.DefaultPosition, wx.DefaultSize, wx.GA_HORIZONTAL )
        self.m_gauge1.SetValue( 0 )
        bSizer1.Add( self.m_gauge1, 0, wx.ALL, 5 )

        self.m_btn_ajuda = wx.Button( self, wx.ID_ANY, u"Ajuda", wx.DefaultPosition, wx.DefaultSize, 0 )
        bSizer1.Add( self.m_btn_ajuda, 0, wx.ALL, 5 )

        self.m_staticText2 = wx.StaticText( self, wx.ID_ANY, wx.EmptyString, wx.DefaultPosition, wx.DefaultSize, 0 )
        self.m_staticText2.Wrap( -1 )
        bSizer1.Add( self.m_staticText2, 0, wx.ALL, 5 )

        self.m_btn_sair = wx.Button( self, wx.ID_ANY, u"Sair", wx.DefaultPosition, wx.DefaultSize, 0 )
        bSizer1.Add( self.m_btn_sair, 0, wx.ALL, 5 )


        self.SetSizer( bSizer1 )
        self.Layout()

        self.Centre( wx.BOTH )

        # Connect Events
        self.m_btn_abrirArq.Bind( wx.EVT_BUTTON, self.abrirArquivo )
        self.m_btn_editarTxt.Bind( wx.EVT_BUTTON, self.editarTxt )
        self.m_btn_ajuda.Bind( wx.EVT_BUTTON, self.janelaAjuda )
        self.m_btn_sair.Bind( wx.EVT_BUTTON, self.sair )

    def __del__( self ):
        pass


    # Virtual event handlers, overide them in your derived class
    def abrirArquivo( self, event ):
        event.Skip()

    def editarTxt( self, event ):
        event.Skip()

    def janelaAjuda( self, event ):
        event.Skip()

    def sair( self, event ):
        event.Skip()

if __name__ == '__main__':
    app = wx.App(False)
    frame = MainFrame(parent=None)
    frame.Show()
    app.MainLoop()

我应该如何在我的应用程序中使用 wxFormBuilder Python GUI 代码？

How am I supposed to use wxFormBuilder Python GUI code in my applications?

python

windows

wxpython

nameerror

wxformbuilder