Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.

Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).

Qt 6.12 LTS is out! See what's new in the release blog

Why Qt 4.8.5 can not found two monitor ?

Unsolved General and Desktop

2 Posts 2 Posters 666 Views 1 Watching

J Offline
J Offline
junwei

wrote on last edited by A Former User

#1
OS : Ubuntu 12.04
Qt 4.8.5

My OS could found 2 monitor and use it, but Qt can not found it.
```
QDesktopWidget* desktop = Application::desktop();
qDebug() << desktop->screenCount();
```
output is "1"
1 Reply Last reply

0
S Offline
S Offline
SGaist
Lifetime Qt Champion
wrote on last edited by

#2

Hi and welcome to devnet,

There could be several reasons. One of which your desktop could cover both your screen rather than being two desktop one for each of them.
Interested in AI ? www.idiap.ch
Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct
1 Reply Last reply

1