Variable Chooser variable_chooser from gnuradio.wxgui import forms self.$(id) = $(id) = $value self._$(id)_chooser = forms.$(type)( parent=self.GetWin(), value=self.$id, callback=self.set_$(id), #if $label() label=$label, #else label='$id', #end if choices=$choices, labels=$labels, #if $type() == 'radio_buttons' style=$style, #end if ) #set $grid_pos = $grid_pos() #if not grid_pos self.Add(self._$(id)_chooser) #else self.GridAdd(self._$(id)_chooser, $grid_pos[0], $grid_pos[1], $grid_pos[2], $grid_pos[3]) #end if self.set_$(id)($value) self._$(id)_chooser.set_value($id) Label label string #if $label() then 'none' else 'part'# Default Value value 1 raw Choices choices [1, 2, 3] raw Labels labels [] raw Type type drop_down enum Drop Down drop_down Radio Buttons radio_buttons Button button Style style wx.RA_HORIZONTAL enum #if $type() == 'radio_buttons' then 'part' else 'all'# Horizontal wx.RA_HORIZONTAL Vertical wx.RA_VERTICAL Grid Position grid_pos grid_pos $value in $choices not $labels or len($labels) == len($choices) This block creates a variable with a drop down, radio buttons, or a button. \ Leave the label blank to use the variable id as the label. \ The value index is the index of a particular choice, \ which defines the default choice when the flow graph starts. \ The choices must be a list of possible values. \ Leave labels empty to use the choices as the labels. Use the Grid Position (row, column, row span, column span) to position the graphical element in the window.