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- From a83ddc5212736f89a0b94667c495494fe6861d63 Mon Sep 17 00:00:00 2001
- From: Michael Palimaka <kensington@gentoo.org>
- Date: Mon, 16 Jun 2014 23:52:24 +1000
- Subject: Fix delay with QClipboard and useEventLoop.
- This manifests when using LibreOffice with KDE integration. When KFileDialog is
- open, the clipboard is repeatedly polled causing a visible delay since using
- QClipboard in "useEventLoop" mode adds 50ms delay to every single clipboard
- fetch.
- Change-Id: Id30cda7b983ae7c949fa270d04f772fa44fc21cd
- Task-number: QTBUG-38585
- ---
- src/gui/kernel/qclipboard_x11.cpp | 3 ++-
- 1 file changed, 2 insertions(+), 1 deletion(-)
- diff --git a/src/gui/kernel/qclipboard_x11.cpp b/src/gui/kernel/qclipboard_x11.cpp
- index 14bf088..5f442b9 100644
- --- a/src/gui/kernel/qclipboard_x11.cpp
- +++ b/src/gui/kernel/qclipboard_x11.cpp
- @@ -548,7 +548,8 @@ bool QX11Data::clipboardWaitForEvent(Window win, int type, XEvent *event, int ti
- return false;
-
- XSync(X11->display, false);
- - usleep(50000);
- + if (!XPending(X11->display))
- + usleep(5000);
-
- now.start();
-
- --
- 2.0.0
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