Various fixes after code review

Minimum required Qt lowered to 5.5.0
Added CI for Qt 5.5.1 build
Increased C++ standard to C++14
Fixed use of spaces instead of tabs
Removed duplicate constructors

.travis.yml

@@ -8,6 +8,30 @@ git:
 matrix:
   fast_finish: true
   include:
+  - name: Ubuntu qmake Qt5.5.1
+    os: linux
+    dist: trusty
+    group: stable
+    addons:
+      apt:
+        sources:
+        - ubuntu-toolchain-r-test
+        - sourceline: 'ppa:beineri/opt-qt551-trusty'
+        update: true
+        packages:
+        - qt55base
+        - qt55tools
+        - gcc-6
+        - g++-6
+        - libc6-i386
+    script:
+        - PATH="/opt/qt55/bin:$PATH"
+        - CXX="g++-6"
+        - CC="gcc-6"
+        - qt55-env.sh
+        - qmake
+        - make
+        - make install
   - name: Ubuntu qmake dll
     os: linux
     dist: xenial

CMakeLists.txt

@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.3)
 set(ads_VERSION "2.3.2")
-set(CMAKE_CXX_STANDARD 11)
+set(CMAKE_CXX_STANDARD 14)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_CXX_EXTENSIONS OFF)
 set(CMAKE_AUTOMOC ON)
@@ -8,7 +8,7 @@ set(CMAKE_AUTORCC ON)
 project(QtAdvancedDockingSystem VERSION ${ads_VERSION})
 option(BUILD_STATIC "Build the static library" OFF)
 option(BUILD_EXAMPLES "Build the examples" ON)
-set(REQUIRED_QT_VERSION 5.7.0)
+set(REQUIRED_QT_VERSION 5.5.0)
 find_package(Qt5Core ${REQUIRED_QT_VERSION} REQUIRED)
 find_package(Qt5Gui ${REQUIRED_QT_VERSION} REQUIRED)
 find_package(Qt5Widgets ${REQUIRED_QT_VERSION} REQUIRED)

demo/CMakeLists.txt

@@ -1,12 +1,12 @@
 cmake_minimum_required(VERSION 3.3)
-set (CMAKE_CXX_STANDARD 11)
+set (CMAKE_CXX_STANDARD 14)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_CXX_EXTENSIONS OFF)
 set(CMAKE_AUTOMOC ON)
 set(CMAKE_AUTOUIC ON)
 set(CMAKE_AUTORCC ON)
 project(ads_demo VERSION "1.0") 
-set(REQUIRED_QT_VERSION 5.7.0)
+set(REQUIRED_QT_VERSION 5.5.0)
 find_package(Qt5Core ${REQUIRED_QT_VERSION} REQUIRED)
 find_package(Qt5Gui ${REQUIRED_QT_VERSION} REQUIRED)
 find_package(Qt5Widgets ${REQUIRED_QT_VERSION} REQUIRED)

demo/demo.pro

@@ -3,7 +3,7 @@ ADS_OUT_ROOT = $${OUT_PWD}/..
 TARGET = AdvancedDockingSystemDemo
 DESTDIR = $${ADS_OUT_ROOT}/lib
 QT += core gui widgets
-CONFIG += c++11
+CONFIG += c++14
 CONFIG += debug_and_release
 DEFINES += QT_DEPRECATED_WARNINGS
 

example/CMakeLists.txt

@@ -1,11 +1,11 @@
 cmake_minimum_required(VERSION 3.3)
-set (CMAKE_CXX_STANDARD 11)
+set (CMAKE_CXX_STANDARD 14)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_CXX_EXTENSIONS OFF)
 set(CMAKE_AUTOMOC ON)
 set(CMAKE_AUTOUIC ON)
 project(ads_example VERSION "1.0") 
-set(REQUIRED_QT_VERSION 5.7.0)
+set(REQUIRED_QT_VERSION 5.5.0)
 find_package(Qt5Core ${REQUIRED_QT_VERSION} REQUIRED)
 find_package(Qt5Gui ${REQUIRED_QT_VERSION} REQUIRED)
 find_package(Qt5Widgets ${REQUIRED_QT_VERSION} REQUIRED)

example/example.pro

@@ -5,7 +5,7 @@ QT += core gui widgets
 TARGET = Example1
 DESTDIR = $${ADS_OUT_ROOT}/lib
 TEMPLATE = app
-CONFIG += c++11
+CONFIG += c++14
 CONFIG += debug_and_release
 adsBuildStatic {
     DEFINES += ADS_STATIC

src/ads_globals.cpp

@@ -90,18 +90,6 @@ void hideEmptyParentSplitters(CDockSplitter* Splitter)
 	}
 }
 
-CDockInsertParam::CDockInsertParam(Qt::Orientation orient, bool bottomRight)
-    : QPair<Qt::Orientation, bool>(orient,bottomRight)
-{}
-
-CDockInsertParam::CDockInsertParam(const CDockInsertParam &p)
-    : QPair<Qt::Orientation, bool>(p)
-{}
-
-CDockInsertParam::CDockInsertParam(CDockInsertParam &&p)
-    : QPair<Qt::Orientation, bool>(std::move(p))
-{}
-
 } // namespace internal
 } // namespace ads
 

src/ads_globals.h

@@ -110,10 +110,7 @@ void hideEmptyParentSplitters(CDockSplitter* FirstParentSplitter);
 class CDockInsertParam : public QPair<Qt::Orientation, bool>
 {
 public:
-    CDockInsertParam() = default;
+	using QPair::QPair;
-    CDockInsertParam(Qt::Orientation orient, bool append);
-    CDockInsertParam(const CDockInsertParam &p);
-    CDockInsertParam(CDockInsertParam &&p);
 	Qt::Orientation orientation() const {return this->first;}
 	bool append() const {return this->second;}
 	int insertOffset() const {return append() ? 1 : 0;}

src/src.pro

@@ -1,5 +1,5 @@
 ADS_OUT_ROOT = $${OUT_PWD}/..
-CONFIG += c++11
+CONFIG += c++14
 CONFIG += debug_and_release
 TARGET = $$qtLibraryTarget(qtadvanceddocking)
 DEFINES += QT_DEPRECATED_WARNINGS