How to disable maximize button in QT?

Question

I want to disable maximize button in the Qt

I tried

setWindowFlags( (windowFlags() | Qt::CustomizeWindowHint) & ~Qt::WindowMaximizeButtonHint);

`setWindowFlags(windowFlags() &(~Qt::WindowMaximizeButtonHint));` — Alex F, Dec 05 '18 at 09:05
related: https://stackoverflow.com/questions/26146574/qdialog-how-to-remove-the-minimize-button — NoDataDumpNoContribution, Feb 27 '20 at 20:32

score 9 · Answer 1 · answered Jul 10 '17 at 06:14

9

SetWindowsFlags(); didn't work for me on Ubuntu 16.04,but under ui->setupUi(this) I added this line:

setFixedSize(width(), height());

and it works fine.

answered Jul 10 '17 at 06:14

Reagan Ochora

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score 9 · Answer 2 · edited May 16 '18 at 17:07

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To turn off the Maximize Button on the default windows, set the max size of your Window on your Ui file.

For example:

You will notice the Maximize button is greyed out when you run your program.

If you want your window to ever only be the one size and give the user no control to change it, set the Geometry and the Minimum size to these same values.

edited May 16 '18 at 17:07

eyllanesc

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answered May 16 '18 at 16:48

StackAttack

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Great answer, best regards!! – DaniV Aug 21 '20 at 18:46
You save a day :) – Benyamin Zojaji May 12 '23 at 17:39

score 1 · Answer 3 · answered Nov 06 '18 at 11:44

1

setWindowFlags(Qt::Drawer);

cool :)

answered Nov 06 '18 at 11:44

Mahdi

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How to disable maximize button in QT?

3 Answers3