48 lines
2.3 KiB
Diff
48 lines
2.3 KiB
Diff
From 98dc33fdc66f15a0e69f3024fcef046f11adc58c Mon Sep 17 00:00:00 2001
|
|
From: Elvis Lee <kwangwoong.lee@lge.com>
|
|
Date: Wed, 17 Mar 2021 16:31:10 +0900
|
|
Subject: [PATCH 43/52] Connect flushRequest after forceRoundTrip
|
|
|
|
If flushRequest is connected with aboutToBlock, the flushRequest
|
|
may consumes all events so that processEvents might be blocked in forceRoundTrip.
|
|
|
|
Change-Id: I12b2c506e8442bf0e75f6ab6e418d3e1eea6d68c
|
|
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@qt.io>
|
|
(cherry picked from commit 654a54755138c520c3a41210d8078196e9a2c1bf)
|
|
---
|
|
src/client/qwaylandintegration.cpp | 11 +++++++----
|
|
1 file changed, 7 insertions(+), 4 deletions(-)
|
|
|
|
diff --git a/src/client/qwaylandintegration.cpp b/src/client/qwaylandintegration.cpp
|
|
index f5632982..3a6fa651 100644
|
|
--- a/src/client/qwaylandintegration.cpp
|
|
+++ b/src/client/qwaylandintegration.cpp
|
|
@@ -192,10 +192,6 @@ QAbstractEventDispatcher *QWaylandIntegration::createEventDispatcher() const
|
|
|
|
void QWaylandIntegration::initialize()
|
|
{
|
|
- QAbstractEventDispatcher *dispatcher = QGuiApplicationPrivate::eventDispatcher;
|
|
- QObject::connect(dispatcher, SIGNAL(aboutToBlock()), mDisplay.data(), SLOT(flushRequests()));
|
|
- QObject::connect(dispatcher, SIGNAL(awake()), mDisplay.data(), SLOT(flushRequests()));
|
|
-
|
|
int fd = wl_display_get_fd(mDisplay->wl_display());
|
|
QSocketNotifier *sn = new QSocketNotifier(fd, QSocketNotifier::Read, mDisplay.data());
|
|
QObject::connect(sn, SIGNAL(activated(QSocketDescriptor)), mDisplay.data(), SLOT(flushRequests()));
|
|
@@ -203,6 +199,13 @@ void QWaylandIntegration::initialize()
|
|
// Call after eventDispatcher is fully connected, for QWaylandDisplay::forceRoundTrip()
|
|
mDisplay->initialize();
|
|
|
|
+ // But the aboutToBlock() and awake() should be connected after initializePlatform().
|
|
+ // Otherwise the connected flushRequests() may consumes up all events before processEvents starts to wait,
|
|
+ // so that processEvents(QEventLoop::WaitForMoreEvents) may be blocked in the forceRoundTrip().
|
|
+ QAbstractEventDispatcher *dispatcher = QGuiApplicationPrivate::eventDispatcher;
|
|
+ QObject::connect(dispatcher, SIGNAL(aboutToBlock()), mDisplay.data(), SLOT(flushRequests()));
|
|
+ QObject::connect(dispatcher, SIGNAL(awake()), mDisplay.data(), SLOT(flushRequests()));
|
|
+
|
|
// Qt does not support running with no screens
|
|
mDisplay->ensureScreen();
|
|
}
|
|
--
|
|
2.35.1
|
|
|