In this Python GUI article i want to show you Creating RadioButton in wxPython.
so in wxPython RadioButton item is a button which usually denotes one of several mutually exclusive options. It has a text label next to a (usually) round button.so you can create a group of mutually-exclusive radio buttons. by specifying RB_GROUP for the first in the group.
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This class supports the following styles:
wx.RB_GROUP: Marks the beginning of a new group of radio buttons.wx.RB_SINGLE: In some circumstances, radio buttons that are not consecutive siblings trigger a hang bug in Windows (only). If this happens, add this style to mark the button as not belonging to a group, and implement the mutually-exclusive group behaviour yourself.
So this is the complete code for Python GUI Creating RadioButton in wxPython
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import wx class MyFrame(wx.Frame): def __init__(self, parent, title): super(MyFrame, self).__init__(parent, title =title, size = (600,400)) self.panel = MyPanel(self) class MyPanel(wx.Panel): def __init__(self, parent): super(MyPanel, self).__init__(parent) self.rb1 = wx.RadioButton(self, label = "Cat", pos = (10,10), style = wx.RB_GROUP) self.rb2 = wx.RadioButton(self, label="Dog", pos=(10, 40)) self.rb2 = wx.RadioButton(self, label="Tiger", pos=(10, 70)) self.label = wx.StaticText(self, label = "", pos = (10,100)) self.Bind(wx.EVT_RADIOBUTTON, self.onRadioButtons) def onRadioButtons(self, e): rb = e.GetEventObject() self.label.SetLabelText("You Have Selected " + rb.GetLabel()) class MyApp(wx.App): def OnInit(self): self.frame = MyFrame(parent=None, title="Radio Button") self.frame.Show() return True app = MyApp() app.MainLoop() |
This is class is MyFrame class that inherits from wx.Frame and it is a top level window that contains our panel.
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class MyFrame(wx.Frame): def __init__(self, parent, title): super(MyFrame, self).__init__(parent, title =title, size = (600,400)) |
After that we have MyPanel class that inherits from wx.Panel and it is the place that we create our widgets and layouts in this class. you can see that we have created our three RadioButton in this class .
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class MyPanel(wx.Panel): def __init__(self, parent): super(MyPanel, self).__init__(parent) self.rb1 = wx.RadioButton(self, label = "Cat", pos = (10,10), style = wx.RB_GROUP) self.rb2 = wx.RadioButton(self, label="Dog", pos=(10, 40)) self.rb2 = wx.RadioButton(self, label="Tiger", pos=(10, 70)) self.label = wx.StaticText(self, label = "", pos = (10,100)) self.Bind(wx.EVT_RADIOBUTTON, self.onRadioButtons) |
So in our MyPanel class these codes are for creating RadioButton in wxPython.
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self.rb1 = wx.RadioButton(self, label = "Cat", pos = (10,10), style = wx.RB_GROUP) self.rb2 = wx.RadioButton(self, label="Dog", pos=(10, 40)) self.rb2 = wx.RadioButton(self, label="Tiger", pos=(10, 70)) |
This is our StaticText that we will use this when we do binding for our RadioButton
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self.label = wx.StaticText(self, label = "", pos = (10,100)) |
And this is the binding process. you can see that we have bonded the RadioButton with our onRadioButton method
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self.Bind(wx.EVT_RADIOBUTTON, self.onRadioButtons) |
This is the event method for our RadioButton
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def onRadioButtons(self, e): rb = e.GetEventObject() self.label.SetLabelText("You Have Selected " + rb.GetLabel()) |
So the last class is MyApp class that inherits from wx.App. the OnInit() method is where you will most often create frame subclass objects. and start our main loop.That’s it. Once the application’s main event loop processing takes over, control passes to wxPython. Unlike procedural programs, a wxPython GUI program primarily responds to the events taking place around it, mostly determined by a human user clicking with a mouse and typing at the keyboard. When all the frames in an application have been closed, the app.MainLoop() method will return and the program will exit.
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class MyApp(wx.App): def OnInit(self): self.frame = MyFrame(parent=None, title="Radio Button") self.frame.Show() return True app = MyApp() app.MainLoop() |
Run the code this will be the result
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