wxPython Menubar, Toolbar, Statusbar, Panels, Nested Sizers

wxpython_panels.py

import wx


class MainFrame(wx.Frame):
    def __init__(self, *args, **kwargs):
        super(MainFrame, self).__init__(*args, **kwargs)

        # Setup the frame
        self.SetSize(1366, 768)
        self.SetTitle('Panel Layout')
        self.Center()

        # Create the menu bar and menus
        menubar = wx.MenuBar()
        file_menu = wx.Menu()
        file_item = file_menu.Append(wx.ID_EXIT, 'Quit', 'Quit application')
        menubar.Append(file_menu, '&File')
        self.SetMenuBar(menubar)
        self.Bind(wx.EVT_MENU, self.on_quit, file_item)

        # Create the tool bar and icons
        toolbar_top = wx.ToolBar(self, style=(wx.TB_FLAT))
        quit_tool = toolbar_top.AddTool(wx.ID_ANY, 'Exit', wx.ArtProvider.GetBitmap(
            wx.ART_QUIT, wx.ART_TOOLBAR, (24, 24)), wx.NullBitmap, wx.ITEM_NORMAL, 'Exit', 'Long help for \'Open\'', None)
        toolbar_top.Realize()
        self.Bind(wx.EVT_TOOL, self.on_quit, quit_tool)

        # Create the status bar
        statusbar = self.CreateStatusBar()

        # Top panel
        panel_top = wx.Panel(self)
        panel_top.BackgroundColour = 'purple'
        label_textbox_top = wx.StaticText(panel_top, label='Top Textbox')
        label_textbox_top.BackgroundColour = 'white'
        sizer_top = wx.BoxSizer()
        sizer_top.Add(label_textbox_top)
        panel_top.SetSizer(sizer_top)

        # Bottom panel
        panel_bottom = wx.Panel(self)
        panel_bottom.BackgroundColour = 'red'
        label_textbox_bottom = wx.StaticText(
            panel_bottom, label='Bottom Textbox')
        label_textbox_bottom.BackgroundColour = 'white'
        sizer_bottom = wx.BoxSizer()
        sizer_bottom.Add(label_textbox_bottom)
        panel_bottom.SetSizer(sizer_bottom)

        # Right panel
        panel_right = wx.Panel(self)
        panel_right.BackgroundColour = 'green'
        label_textbox_right = wx.StaticText(panel_right, label='Right Textbox')
        label_textbox_right.BackgroundColour = 'white'
        sizer_right = wx.BoxSizer()
        sizer_right.Add(label_textbox_right)
        panel_right.SetSizer(sizer_right)

        # Create sizers
        sizer_main = wx.BoxSizer(wx.VERTICAL)
        sizer_left_right = wx.BoxSizer(wx.HORIZONTAL)
        sizer_top_bottom = wx.BoxSizer(wx.VERTICAL)

        # Nest appropriate panels and sizers
        sizer_top_bottom.Add(panel_top, 1, wx.EXPAND)
        sizer_top_bottom.Add(panel_bottom, 1, wx.EXPAND)

        sizer_left_right.Add(sizer_top_bottom, 1, wx.EXPAND)
        sizer_left_right.Add(panel_right, 1, wx.EXPAND)

        sizer_main.Add(toolbar_top, 0, wx.EXPAND)
        sizer_main.Add(sizer_left_right, 1, wx.EXPAND)

        # Set main sizer
        self.SetSizer(sizer_main)

    def on_quit(self, e):
        self.Close()


def main():
    import wx.lib.inspection
    app = wx.App()
    mainframe = MainFrame(None)
    mainframe.Show()
    wx.lib.inspection.InspectionTool().Show()
    app.MainLoop()


if __name__ == '__main__':
    main()