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Diffstat (limited to 'tests/manual/qscreen/README')
| -rw-r--r-- | tests/manual/qscreen/README | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/tests/manual/qscreen/README b/tests/manual/qscreen/README index 5f5da17293..cd1324276d 100644 --- a/tests/manual/qscreen/README +++ b/tests/manual/qscreen/README @@ -20,14 +20,10 @@ create two windows, and will center one each screen, by setting the geometry. Alternatively you can configure xorg.conf to create separate screens for each graphics card; then the mouse cursor can move between the screens, but -application windows cannot: each app needs to be started up on the screen that -you want to run it on. In either case, ideally this test app ought to create -two windows, one on each screen; but in fact, it can do that only if the -screens are virtual siblings. If they are on different Displays, the second -Display is not accessible to the QXcbConnection instance which was createad on -the first Display. It can be considered a known bug that the API appears to -make this possible (you would think QWindow::setScreen might work) but it -isn't possible. +application windows cannot: each app needs to be started on the screen that +you want to run it on (by specifying e.g. DISPLAY=:0.1 for the second screen), +or the application has to set the desired screen via QWindow::setScreen() before +showing the window. The physical size of the screen is considered to be a constant. This can create discrepancies in DPI when orientation is changed, or when the screen is |