anne/lyx_mirror
1
0
Fork 0
mirror of https://git.lyx.org/repos/lyx.git synced 2024-12-22 05:16:21 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Avoid black screen on macOS

Browse Source 
When paintEvent is triggered on macOS, the least we can do is to copy
our backing store to the screen.
This commit is contained in:
Jean-Marc Lasgouttes 2018-05-14 09:46:54 +02:00
parent 3591aa833f
commit d03deeca0c
1 changed files with 8 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
src/frontends/qt4/GuiWorkArea.cpp
View File

@ -1247,9 +1247,15 @@ void GuiWorkArea::Private::paintPreeditText(GuiPainter & pain)
void GuiWorkArea::paintEvent(QPaintEvent * ev)
{
// Hopefully fixes bug #10989.
if (view().busy())
// Do not trigger the painting machinery if we are not ready (see
// bug #10989). However, since macOS has turned the screen black at
// this point, our backing store has to be copied to screen.
if (view().busy()) {
// this is a no-op except on macOS.
d->updateScreen(ev->rect());
ev->accept();
return;
}
// LYXERR(Debug::PAINTING, "paintEvent begin: x: " << rc.x()
// << " y: " << rc.y() << " w: " << rc.width() << " h: " << rc.height());