File fix-build-with-qt5.6.patch of Package kexi

From 14dada252f590246ce400e203aed443d33c7462e Mon Sep 17 00:00:00 2001
From: Jaroslaw Staniek <staniek@kde.org>
Date: Wed, 21 Mar 2018 12:47:46 +0100
Subject: Fix build with Qt 5.6

Summary: QOverload<>::of() is new in Qt 5.7, so "emulate" it with static_cast<>() when building against lower Qt versions.

Test Plan:
Kexi 3.1.0 builds fine now on openSUSE Leap 42.3 with Qt 5.6.2.
Before I got these compiler errors:
```
/home/abuild/rpmbuild/BUILD/kexi-3.1.0/src/widget/KexiFileRequester.cpp: In member function 'void KexiFileRequester::init()':
/home/abuild/rpmbuild/BUILD/kexi-3.1.0/src/widget/KexiFileRequester.cpp:479:30: error: 'QOverload' was not declared in this scope
     connect(d->locationEdit, QOverload<>::of(&KUrlComboBox::returnPressed),
                              ^
/home/abuild/rpmbuild/BUILD/kexi-3.1.0/src/widget/KexiFileRequester.cpp:479:40: error: expected primary-expression before '>' token
     connect(d->locationEdit, QOverload<>::of(&KUrlComboBox::returnPressed),
                                        ^
/home/abuild/rpmbuild/BUILD/kexi-3.1.0/src/widget/KexiFileRequester.cpp:479:41: error: '::of' has not been declared
    connect(d->locationEdit, QOverload<>::of(&KUrlComboBox::returnPressed),
                                         ^
```

Still builds fine with Qt 5.9.4 and 5.10.0 too...

Reviewers: staniek, piggz

Reviewed By: staniek

Subscribers: #kexi

Tags: #kexi

Differential Revision: https://phabricator.kde.org/D11544
---
 src/widget/KexiFileRequester.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/widget/KexiFileRequester.cpp b/src/widget/KexiFileRequester.cpp
index be45db5..3fd4b7e 100644
--- a/src/widget/KexiFileRequester.cpp
+++ b/src/widget/KexiFileRequester.cpp
@@ -476,8 +476,13 @@ void KexiFileRequester::init()
     d->locationEdit->setSizeAdjustPolicy(QComboBox::AdjustToMinimumContentsLength);
     connect(d->locationEdit, &KUrlComboBox::editTextChanged, d,
             &KexiFileRequester::Private::locationEditTextChanged);
+#if QT_VERSION >= QT_VERSION_CHECK(5, 7, 0)
     connect(d->locationEdit, QOverload<>::of(&KUrlComboBox::returnPressed),
             d, &Private::locationEditReturnPressed);
+#else
+    connect(d->locationEdit, static_cast<void (KUrlComboBox::*)()>(&KUrlComboBox::returnPressed),
+            d, &Private::locationEditReturnPressed);
+#endif
     d->urlCompletion = new KexiUrlCompletion(&d->filterRegExps, &d->filterMimeTypes);
     d->locationEdit->setCompletionObject(d->urlCompletion);
     d->locationEdit->setAutoDeleteCompletionObject(true);
-- 
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