|
 |
93bb3c |
From 725c5de6bdd528d1fa03f1de5ec91585eb110d83 Mon Sep 17 00:00:00 2001
|
|
|
93bb3c |
From: Elvis Lee <kwangwoong.lee@lge.com>
|
|
|
93bb3c |
Date: Wed, 17 Mar 2021 16:31:10 +0900
|
|
|
93bb3c |
Subject: [PATCH 29/40] Connect flushRequest after forceRoundTrip
|
|
|
93bb3c |
|
|
|
93bb3c |
If flushRequest is connected with aboutToBlock, the flushRequest
|
|
|
93bb3c |
may consumes all events so that processEvents might be blocked in forceRoundTrip.
|
|
|
93bb3c |
|
|
|
93bb3c |
Change-Id: I12b2c506e8442bf0e75f6ab6e418d3e1eea6d68c
|
|
|
93bb3c |
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@qt.io>
|
|
|
93bb3c |
(cherry picked from commit 654a54755138c520c3a41210d8078196e9a2c1bf)
|
|
|
93bb3c |
---
|
|
|
93bb3c |
src/client/qwaylandintegration.cpp | 11 +++++++----
|
|
|
93bb3c |
1 file changed, 7 insertions(+), 4 deletions(-)
|
|
|
93bb3c |
|
|
|
93bb3c |
diff --git a/src/client/qwaylandintegration.cpp b/src/client/qwaylandintegration.cpp
|
|
|
93bb3c |
index f5632982..3a6fa651 100644
|
|
|
93bb3c |
--- a/src/client/qwaylandintegration.cpp
|
|
|
93bb3c |
+++ b/src/client/qwaylandintegration.cpp
|
|
|
93bb3c |
@@ -192,10 +192,6 @@ QAbstractEventDispatcher *QWaylandIntegration::createEventDispatcher() const
|
|
|
93bb3c |
|
|
|
93bb3c |
void QWaylandIntegration::initialize()
|
|
|
93bb3c |
{
|
|
|
93bb3c |
- QAbstractEventDispatcher *dispatcher = QGuiApplicationPrivate::eventDispatcher;
|
|
|
93bb3c |
- QObject::connect(dispatcher, SIGNAL(aboutToBlock()), mDisplay.data(), SLOT(flushRequests()));
|
|
|
93bb3c |
- QObject::connect(dispatcher, SIGNAL(awake()), mDisplay.data(), SLOT(flushRequests()));
|
|
|
93bb3c |
-
|
|
|
93bb3c |
int fd = wl_display_get_fd(mDisplay->wl_display());
|
|
|
93bb3c |
QSocketNotifier *sn = new QSocketNotifier(fd, QSocketNotifier::Read, mDisplay.data());
|
|
|
93bb3c |
QObject::connect(sn, SIGNAL(activated(QSocketDescriptor)), mDisplay.data(), SLOT(flushRequests()));
|
|
|
93bb3c |
@@ -203,6 +199,13 @@ void QWaylandIntegration::initialize()
|
|
|
93bb3c |
// Call after eventDispatcher is fully connected, for QWaylandDisplay::forceRoundTrip()
|
|
|
93bb3c |
mDisplay->initialize();
|
|
|
93bb3c |
|
|
|
93bb3c |
+ // But the aboutToBlock() and awake() should be connected after initializePlatform().
|
|
|
93bb3c |
+ // Otherwise the connected flushRequests() may consumes up all events before processEvents starts to wait,
|
|
|
93bb3c |
+ // so that processEvents(QEventLoop::WaitForMoreEvents) may be blocked in the forceRoundTrip().
|
|
|
93bb3c |
+ QAbstractEventDispatcher *dispatcher = QGuiApplicationPrivate::eventDispatcher;
|
|
|
93bb3c |
+ QObject::connect(dispatcher, SIGNAL(aboutToBlock()), mDisplay.data(), SLOT(flushRequests()));
|
|
|
93bb3c |
+ QObject::connect(dispatcher, SIGNAL(awake()), mDisplay.data(), SLOT(flushRequests()));
|
|
|
93bb3c |
+
|
|
|
93bb3c |
// Qt does not support running with no screens
|
|
|
93bb3c |
mDisplay->ensureScreen();
|
|
|
93bb3c |
}
|
|
|
93bb3c |
--
|
|
|
93bb3c |
2.35.1
|
|
|
93bb3c |
|