qt5-quickcontrols patch for QTBUG-73691

https://bugreports.qt.io/browse/QTBUG-73691

qt5-quickcontrols/PKGBUILD

 
 pkgname=qt5-quickcontrols
 pkgver=5.12.1
-pkgrel=1
+pkgrel=2
 arch=('x86_64')
 url='http://qt-project.org/'
 license=('GPL3' 'LGPL' 'FDL' 'custom')
@@ -11,11 +11,16 @@ makedepends=()
 groups=('qt5')
 options=('debug')
 _pkgfqn="${pkgname/5-/}-everywhere-src-${pkgver}"
-source=("http://download.qt.io/official_releases/qt/${pkgver%.*}/$pkgver/submodules/${_pkgfqn}.tar.xz")
-md5sums=('6ad05ee8458b72feeb03c856af40f198')
+source=("http://download.qt.io/official_releases/qt/${pkgver%.*}/$pkgver/submodules/${_pkgfqn}.tar.xz"
+               qtbug-73961.patch)
+md5sums=('6ad05ee8458b72feeb03c856af40f198'
+         '580a78ed7e35993a0a1ec5f6c6db6812')
 
 prepare() {
   mkdir -p build
+
+  cd $_pkgfqn
+  patch -p1 -i ../qtbug-73961.patch # Fix OOM with some Plasma themes https://bugreports.qt.io/browse/QTBUG-73691
 }
 
 build() {

qt5-quickcontrols/qtbug-73961.patch

+From e66dad9857cc062ccfc03e410b15ad1d0254dee9 Mon Sep 17 00:00:00 2001
+From: Benjamin Robin <dev@benjarobin.fr>
+Date: Sun, 24 Feb 2019 10:28:14 +0100
+Subject: [PATCH] Fix ScrollView scrollbar handles when the content is empty
+
+Task-number: QTBUG-73691
+Change-Id: I86becca9a1fa2508d1acafe09f46dfc952e4e96d
+---
+ src/controls/Styles/Base/ScrollViewStyle.qml | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/src/controls/Styles/Base/ScrollViewStyle.qml b/src/controls/Styles/Base/ScrollViewStyle.qml
+index 6750399d429..36b518d3933 100644
+--- a/src/controls/Styles/Base/ScrollViewStyle.qml
++++ b/src/controls/Styles/Base/ScrollViewStyle.qml
+@@ -370,8 +370,8 @@ Style {
+ 
+         property var flickableItem: control.flickableItem
+         property int extent: Math.max(minimumHandleLength, __styleData.horizontal ?
+-                                          Math.min(1, (flickableItem ? flickableItem.width/flickableItem.contentWidth : 1)) * bg.width :
+-                                          Math.min(1, (flickableItem ? flickableItem.height/flickableItem.contentHeight : 1)) * bg.height)
++                                          Math.min(1, ((flickableItem && flickableItem.contentWidth > 0.0) ? flickableItem.width/flickableItem.contentWidth : 1)) * bg.width :
++                                          Math.min(1, ((flickableItem && flickableItem.contentHeight > 0.0) ? flickableItem.height/flickableItem.contentHeight : 1)) * bg.height)
+         readonly property real range: __control.maximumValue - __control.minimumValue
+         readonly property real begin: __control.value - __control.minimumValue
+ 
+-- 
+2.20.1
+