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-rw-r--r--media-gfx/krita/files/krita-4.1.8-fix-pre-5.12-tablet-support.patch49
1 files changed, 49 insertions, 0 deletions
diff --git a/media-gfx/krita/files/krita-4.1.8-fix-pre-5.12-tablet-support.patch b/media-gfx/krita/files/krita-4.1.8-fix-pre-5.12-tablet-support.patch
new file mode 100644
index 000000000000..2928247e57a0
--- /dev/null
+++ b/media-gfx/krita/files/krita-4.1.8-fix-pre-5.12-tablet-support.patch
@@ -0,0 +1,49 @@
+From 0218025b1725aa810f108d08802b590ce62f1044 Mon Sep 17 00:00:00 2001
+From: Dmitry Kazakov <dimula73@gmail.com>
+Date: Mon, 25 Mar 2019 21:16:41 +0300
+Subject: Add a workaround for Qt 5.9...5.11.X to fix tablet support
+
+Basically, the patch mimics this Qt's patch that has been
+added in Qt 5.12.0 only:
+https://codereview.qt-project.org/#/c/239918/
+
+BUG:399696
+---
+ libs/ui/input/kis_input_manager_p.cpp | 22 ++++++++++++++++++++++
+ 1 file changed, 22 insertions(+)
+
+diff --git a/libs/ui/input/kis_input_manager_p.cpp b/libs/ui/input/kis_input_manager_p.cpp
+index 4f5a58f..0a26655 100644
+--- a/libs/ui/input/kis_input_manager_p.cpp
++++ b/libs/ui/input/kis_input_manager_p.cpp
+@@ -333,6 +333,28 @@ KisInputManager::Private::ProximityNotifier::ProximityNotifier(KisInputManager::
+
+ bool KisInputManager::Private::ProximityNotifier::eventFilter(QObject* object, QEvent* event )
+ {
++ /**
++ * All Qt builds in range 5.7.0...5.11.X on X11 had a problem that made all
++ * the tablet events be accepted by default. It meant that no mouse
++ * events were synthesized, and, therefore, no Enter/Leave were generated.
++ *
++ * The fix for this bug has been added only in Qt 5.12.0:
++ * https://codereview.qt-project.org/#/c/239918/
++ *
++ * To avoid this problem we should explicitly ignore all the tablet events.
++ */
++#if defined Q_OS_LINUX && \
++ QT_VERSION >= QT_VERSION_CHECK(5, 7, 0) && \
++ QT_VERSION < QT_VERSION_CHECK(5, 12, 0)
++
++ if (event->type() == QEvent::TabletMove ||
++ event->type() == QEvent::TabletPress ||
++ event->type() == QEvent::TabletRelease) {
++
++ event->ignore();
++ }
++#endif
++
+ switch (event->type()) {
+ case QEvent::TabletEnterProximity:
+ d->debugEvent<QEvent, false>(event);
+--
+cgit v1.1