How to use the remi.gui.TextInput function in remi

def __init__(self, title):
        self.text=''
        super(ReportDialog, self).__init__(title,'',width=600,height=500,confirm_name='Done')
        self.textb = gui.TextInput(width=550,height=400,single_line=False)
        self.append_field(self.textb,'text')

def __init__(self, *args):
        super(Options, self).__init__(title='Edit Options',width=450,height=300,confirm_name='Ok',cancel_name='Cancel')

        # build the gui in _init as it is subclassed
        home_dir_field= gui.TextInput(width=250, height=30)
        self.append_field_with_label('Pi Presents Data Home:',home_dir_field,key='home_dir')
        media_dir_field= gui.TextInput(width=250, height=30)
        self.append_field_with_label('Inital directory for Media:',media_dir_field,key='media_dir')
        offset_field= gui.TextInput(width=250, height=30)
        self.append_field_with_label('Offset for Current Profiles:',offset_field,key='offset')
        error_field= gui.Label('',width=400, height=30)
        self.append_field(error_field,'error')

# the arguments are width - height - layoutOrientationOrizontal
        subContainerRight = gui.Widget(
            style={'width': '220px', 'display': 'block',
                   'overflow': 'auto', 'text-align': 'center'})
        self.count = 0
        self.counter = gui.Label('', width=200, height=30, margin='10px')

        self.lbl = gui.Label('This is a LABEL!', width=200,
                             height=30, margin='10px')

        self.bt = gui.Button('Press me!', width=200, height=30, margin='10px')
        # setting the listener for the onclick event of the button
        self.bt.onclick.connect(self.on_button_pressed)

        self.txt = gui.TextInput(width=200, height=30, margin='10px')
        self.txt.set_text('This is a TEXTAREA')
        self.txt.onchange.connect(self.on_text_area_change)

        self.spin = gui.SpinBox(1, 0, 100, width=200, height=30, margin='10px')
        self.spin.onchange.connect(self.on_spin_change)

        self.progress = gui.Progress(1, 100, width=200, height=5)

        self.check = gui.CheckBoxLabel(
            'Label checkbox', True, width=200, height=30, margin='10px')
        self.check.onchange.connect(self.on_check_change)

        self.btInputDiag = gui.Button(
            'Open InputDialog', width=200, height=30, margin='10px')
        self.btInputDiag.onclick.connect(self.open_input_dialog)

confirm_name='OK',cancel_name='Cancel')

        self.append_label(gui.Label('This Unit',width=250,height=30))
        e_this_unit_name_field = gui.TextInput(width=250,height=30)
        self.append_field_with_label('OSC Name of This Unit:',e_this_unit_name_field,key='e_this_unit_name')       

        e_this_unit_ip_field = gui.TextInput(width=250,height=30)
        self.append_field_with_label('IP of This Unit:',e_this_unit_ip_field,key='e_this_unit_ip')

        #SLAVE
        self.append_label(gui.Label('OSC Slave',width=250,height=30))

        e_slave_enabled_field = gui.TextInput(width=250,height=30)
        self.append_field_with_label('OSC Slave enabled (yes/no):',e_slave_enabled_field,key='e_slave_enabled')  
        
        e_listen_port_field = gui.TextInput(width=250,height=30)
        self.append_field_with_label('Port for listening to commands for this Unit',e_listen_port_field,key='e_listen_port')
        

        # MASTER
        self.append_label(gui.Label('OSC Master',width=250,height=30))
        
        e_master_enabled_field = gui.TextInput(width=250,height=30)
        self.append_field_with_label('OSC Master enabled (yes/no):',e_master_enabled_field,key='e_master_enabled')  
        
        e_reply_listen_port_field = gui.TextInput(width=250,height=30)
        self.append_field_with_label('Listen to replies from Slave Unit on Port:',e_reply_listen_port_field,key='e_reply_listen_port')


        e_slave_units_name_field = gui.TextInput(width=250,height=30)
        self.append_field_with_label('Slave Units OSC Name:',e_slave_units_name_field,key='e_slave_units_name')

self.pp_profiles_dir = pp_profiles_dir
        self.callback=callback
        
        self.read_options()
        # self.options_manager_dialog.style['background-color'] = 'LightGray'
        self.media_field= gui.TextInput(single_line=True,width=250, height=30)
        self.media_field.set_text(self.media_offset)
        self.append_field_with_label('Media Offset',self.media_field,
                                                        None,width=dialog_width-20,key='media_field')

        self.livetracks_field= gui.TextInput(single_line=True,width=250, height=30)
        self.livetracks_field.set_text(self.livetracks_offset)
        self.append_field_with_label('Live Tracks Offset',self.livetracks_field,
                                                         None,width=dialog_width-20,key='livetracks_field')
        
        self.profiles_field= gui.TextInput(single_line=True,width=250, height=30)
        self.profiles_field.set_text(self.pp_profiles_offset)
        self.append_field_with_label('Profiles Offset',self.profiles_field,
                                                       None,width=dialog_width-20,key='profiles_field')       
        
        self.options_field= gui.TextInput(single_line=True,width=250, height=30)
        self.options_field.set_text(self.pp_options)
        self.append_field_with_label('Pi Presents Options',self.options_field,
                                                       None,width=dialog_width-20,key='options_field')

# the arguments are	width - height - layoutOrientationOrizontal
        subContainerRight = gui.Container()
        subContainerRight.style['width'] = '220px'
        subContainerRight.style['display'] = 'block'
        subContainerRight.style['overflow'] = 'auto'
        subContainerRight.style['text-align'] = 'center'
        self.count = 0
        self.counter = gui.Label('', width=200, height=30, margin='10px')

        self.lbl = gui.Label('This is a LABEL!', width=200, height=90, margin='10px')

        self.bt = gui.Button('Press me!', width=200, height=30, margin='10px')
        # setting the listener for the onclick event of the button
        self.bt.set_on_click_listener(self.on_button_pressed)

        self.txt = gui.TextInput(width=200, height=30, margin='10px')
        self.txt.set_text('This is a TEXTAREA')
        self.txt.set_on_change_listener(self.on_text_area_change)

        self.spin = gui.SpinBox(100, width=200, height=30, margin='10px')
        self.spin.set_on_change_listener(self.on_spin_change)

        self.check = gui.CheckBoxLabel('Label checkbox', True, width=200, height=30, margin='10px')
        self.check.set_on_change_listener(self.on_check_change)

        self.btInputDiag = gui.Button('Open InputDialog', width=200, height=30, margin='10px')
        self.btInputDiag.set_on_click_listener(self.open_input_dialog)

        self.btFileDiag = gui.Button('File Selection Dialog', width=200, height=30, margin='10px')
        self.btFileDiag.set_on_click_listener(self.open_fileselection_dialog)

        self.btUploadFile = gui.FileUploader('./', width=200, height=30, margin='10px')

# the arguments are	width - height - layoutOrientationOrizontal
        subContainerRight = gui.Widget()
        subContainerRight.style['width'] = '220px'
        subContainerRight.style['display'] = 'block'
        subContainerRight.style['overflow'] = 'auto'
        subContainerRight.style['text-align'] = 'center'
        self.count = 0
        self.counter = gui.Label('', width=200, height=30, margin='10px')

        self.lbl = gui.Label('This is a LABEL!', width=200, height=30, margin='10px')

        self.bt = gui.Button('Press me!', width=200, height=30, margin='10px')
        # setting the listener for the onclick event of the button
        self.bt.set_on_click_listener(self, 'on_button_pressed')

        self.txt = gui.TextInput(width=200, height=30, margin='10px')
        self.txt.set_text('This is a TEXTAREA')
        self.txt.set_on_change_listener(self, 'on_text_area_change')

        self.spin = gui.SpinBox(100, width=200, height=30, margin='10px')
        self.spin.set_on_change_listener(self, 'on_spin_change')

        self.check = gui.CheckBoxLabel('Label checkbox', True, width=200, height=30, margin='10px')
        self.check.set_on_change_listener(self, 'on_check_change')

        self.btInputDiag = gui.Button('Open InputDialog', width=200, height=30, margin='10px')
        self.btInputDiag.set_on_click_listener(self, 'open_input_dialog')

        self.btFileDiag = gui.Button('File Selection Dialog', width=200, height=30, margin='10px')
        self.btFileDiag.set_on_click_listener(self, 'open_fileselection_dialog')

        self.btUploadFile = gui.FileUploader('./', width=200, height=30, margin='10px')

def __init__(self, title,file_dir,filename,callback):
        self.filename=filename
        self.file_dir=file_dir
        self.callback=callback
        self.width=400
        self.height=200
        super(RenameDialog, self).__init__(title,'',width=self.width,height=self.height,
                                           confirm_name='Ok',cancel_name='Cancel')

        self.spacer=gui.Label('',width=400, height=30)
        self.append_field(self.spacer,key='spacer')

        self.name_field=gui.TextInput(single_line=True,width=self.width-100,height=30)
        self.name_field.set_text(self.filename)
        self.append_field(self.name_field,'name_field')

def menu_dialog_clicked(self, widget):
        self.dialog = gui.GenericDialog(title='Dialog Box', message='Click Ok to transfer content to main page', width='500px')
        self.dtextinput = gui.TextInput(width=200, height=30)
        self.dtextinput.set_value('Initial Text')
        self.dialog.add_field_with_label('dtextinput', 'Text Input', self.dtextinput)

        self.dcheck = gui.CheckBox(False, width=200, height=30)
        self.dialog.add_field_with_label('dcheck', 'Label Checkbox', self.dcheck)
        values = ('Danny Young', 'Christine Holand', 'Lars Gordon', 'Roberto Robitaille')
        self.dlistView = gui.ListView.new_from_list(values, width=200, height=120)
        self.dialog.add_field_with_label('dlistView', 'Listview', self.dlistView)

        self.ddropdown = gui.DropDown.new_from_list(('DropDownItem 0', 'DropDownItem 1'),
                                                    width=200, height=20)
        self.dialog.add_field_with_label('ddropdown', 'Dropdown', self.ddropdown)

        self.dspinbox = gui.SpinBox(min=0, max=5000, width=200, height=20)
        self.dspinbox.set_value(50)
        self.dialog.add_field_with_label('dspinbox', 'Spinbox', self.dspinbox)

def menu_dialog_clicked(self, widget):
        self.dialog = gui.GenericDialog(title='Dialog Box', message='Click Ok to transfer content to main page', width='500px')
        self.dtextinput = gui.TextInput(width=200, height=30)
        self.dtextinput.set_value('Initial Text')
        self.dialog.add_field_with_label('dtextinput', 'Text Input', self.dtextinput)

        self.dcheck = gui.CheckBox(False, width=200, height=30)
        self.dialog.add_field_with_label('dcheck', 'Label Checkbox', self.dcheck)
        values = ('Danny Young', 'Christine Holand', 'Lars Gordon', 'Roberto Robitaille')
        self.dlistView = gui.ListView.new_from_list(values, width=200, height=120)
        self.dialog.add_field_with_label('dlistView', 'Listview', self.dlistView)

        self.ddropdown = gui.DropDown.new_from_list(('DropDownItem 0', 'DropDownItem 1'),
                                                    width=200, height=20)
        self.dialog.add_field_with_label('ddropdown', 'Dropdown', self.ddropdown)

        self.dspinbox = gui.SpinBox(min=0, max=5000, width=200, height=20)
        self.dspinbox.set_value(50)
        self.dialog.add_field_with_label('dspinbox', 'Spinbox', self.dspinbox)