You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: DeepSqueak.m
    path of file: ./repos/DeepSqueak
    
    the code of the file until where you have to start completion: %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% DeepSqueak 2.7.0                                                        %
% Copyright (c) 2021 Kevin Coffey , Ruby Marx, & Robert Ciszek         %
%                                                                         %
% Licensed under the BSD 3-Clause Licence:                                %
% https://opensource.org/licenses/BSD-3-Clause                            %
%                                                                         %
% Unless required by applicable law 
    
function SpectogramMax_Callback(hObject, eventdata, handles)
% hObject    handle to SpectogramMax (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
    set(hObject, 'String', num2str(get_spectogram_max(hObject, handles))); 
    guidata(hObject,handles);
    update_fig(hObject, [], handles);

% --- Executes during object creation, after setting all properties.
function SpectogramMax_CreateFcn(hObject, eventdata, handles)
% hObject    handle to SpectogramMax (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    empty - handles not created until after all CreateFcns called

% Hint: edit controls usually have a white background on Windows.
%       See ISPC and COMPUTER.
if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))
    set(hObject,'BackgroundColor','white');
end

% --- Executes during object creation, after setting all properties.
function focusWindowSizePopup_CreateFcn(hObject, eventdata, handles)
% hObject    handle to focusWindowSizePopup (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    empty - handles not created until after all CreateFcns called

padding = cellstr(get(hObject,'String')); 
seconds = regexp(padding{get(hObject,'Value')},'([\d*.])*','match');
seconds = str2double(seconds{1});
handles.data.settings.focus_window_size = seconds;
guidata(hObject, handles);

% --- Executes on button press in topLeftButton.
function topLeftButton_Callback(hObject, eventdata, handles)
% hObject    handle to topLeftButton (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
    slide_focus(handles.data.settings.focus_window_size*(-1), hObject, eventdata, handles)

% --- Executes on button press in topRightButton.
function topRightButton_Callback(hObject, eventdata, handles)
% hObject    handle to topRightButton (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
    slide_focus(handles.data.settings.focus_window_size*(1), hObject, eventdata, handles)

% --- Executes on button press in loadAudioFile.
function loadAudioFile_Callback(hObject, eventdata, handles)
h = waitbar(0,'Loading Audio Please wait...');
update_folders(hObject, eventdata, handles);
handles = guidata(hObject);

if nargin == 3 % if "Load Calls" button pressed
    if isempty(handles.audiofiles)
        close(h);
        errordlg(['No valid audio files in current audio folder. Select a folder containing audio with '...
            '"File -> Select Audio Folder", then choose the desired file in the "Audio Files" dropdown box.'])
        return
    end