Change font size of every components in uifigure(app designer) by following the uifigures's size

Question

Jae Heon Kim 2020-2-11

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https://ww2.mathworks.cn/matlabcentral/answers/504775-change-font-size-of-every-components-in-uifigure-app-designer-by-following-the-uifigures-s-size

评论： Michael 2023-11-8

I've created several uifigures by app designer.

And now I am trying to change the font sizes of every components (ex) Label, tabel, textbox etc... following the uifigure's window size.

I mean if the uifigure size is increased then font sizes are also increased, if uifigure is decreased then also decreased.

I've searched for a while and tried to find, and I found https://kr.mathworks.com/matlabcentral/answers/221149-is-it-not-possible-to-change-every-font-size-on-plots-at-the-same-time

But it was answered for figure which was created from GUIDE not App Designer so when I tried, the command

h = findall(gcf, '-property', 'fontsize')

This made a new figure not found current uifigure's property.

So I am wondering there's any other solution which can solve my problem.

Well, if it's hard to do it in app designer, then is it possible to convert uifigure into figure not breaking the file?

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Answer 1

Jae Heon Kim 2020-2-12

1
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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/504775-change-font-size-of-every-components-in-uifigure-app-designer-by-following-the-uifigures-s-size#answer_415139

在 MATLAB Online 中打开

Don't mind people!

I've figured out!

For app designer,

I coded like this!

app.UIFigure.Position(3)
app.h = findobj(app.UIFigure, '-property', 'FontSize');
app.hFontSize = cell2mat(get(app.h,'FontSize'));
position = app.UIFigure.Position;
            
widthF = position(3);
            
newFontSize = double(widthF) * app.hFontSize / 1463.0;
set(app.h,{'FontSize'}, num2cell(newFontSize));

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Mingqian Chen 2022-3-11

在 MATLAB Online 中打开

Thanks for your code, it fixes my problem. And i habe add some more to it. I have found resizing the font size just accroding to the width is sometimes not proper, so i change the code to the following:

At first add a gloable variable in app to store the old size of UIFigire

uiFigureSize

and then add a new Callback to UIFigure, this callback will be called before startUp(), so the assignment of "uiFigureSize" has to be done here

% Size changed function: SLSMonitorUIFigure
function SLSMonitorUIFigureSizeChanged(app, event)
    % get the current size and position of UIFigure
    position = app.SLSMonitorUIFigure.Position;
    
    % assignment of uiFigureSize
    if isempty(app.uiFigureSize)
        app.uiFigureSize = position(3:4);
    end
    % time the old size
    oldSize = app.uiFigureSize(1)*app.uiFigureSize(2);
    % time the current size
    newSize = position(3) * position(4);
    
    % get the resize factor using root
    resizeFactor = sqrt(newSize/oldSize);
    
    % store the current position for next time resizing
    app.uiFigureSize = position(3:4);
    
    % get the handles of object, which haven the property about font size
    h = findobj(app.SLSMonitorUIFigure, '-property', 'FontSize');
    % get the current font size
    hFontSize = cell2mat(get(h, 'FontSize'));
    % change the font size using resize factor
    newFontSize =  hFontSize * resizeFactor;
    % set the new font size back
    set(h,{'FontSize'}, num2cell(newFontSize));
end