Makes project mostly compatible with Qt 4.5

AdvancedDockingSystem/AdvancedDockingSystem.pro

@@ -18,7 +18,8 @@ windows {
 	}
 	# MSVC
 	*-msvc* {
-		QMAKE_CXXFLAGS += /Za
+		#QMAKE_CXXFLAGS += /Za
+		QMAKE_CXXFLAGS += /FS
 	}
 }
 
@@ -30,7 +31,8 @@ SOURCES += \
 	src/SectionTitleWidget.cpp \
 	src/SectionContentWidget.cpp \
 	src/DropOverlay.cpp \
-	src/FloatingWidget.cpp
+	src/FloatingWidget.cpp \
+	src/Internal.cpp
 
 HEADERS += \
 	include/ads/API.h \
@@ -40,7 +42,8 @@ HEADERS += \
 	include/ads/SectionTitleWidget.h \
 	include/ads/SectionContentWidget.h \
 	include/ads/DropOverlay.h \
-	include/ads/FloatingWidget.h
+	include/ads/FloatingWidget.h \
+	include/ads/Internal.h
 
 RESOURCES += \
 	res/ads.qrc

AdvancedDockingSystem/include/ads/API.h

@@ -37,15 +37,6 @@ enum DropArea
 };
 Q_DECLARE_FLAGS(DropAreas, DropArea)
 
-class InternalContentData
-{
-public:
-	InternalContentData() : titleWidget(0), contentWidget(0) {}
-	QSharedPointer<class SectionContent> content;
-	class SectionTitleWidget* titleWidget;
-	class SectionContentWidget* contentWidget;
-};
-
 void deleteEmptySplitter(class ContainerWidget* container);
 class ContainerWidget* findParentContainerWidget(class QWidget* w);
 class SectionWidget* findParentSectionWidget(class QWidget* w);

AdvancedDockingSystem/include/ads/ContainerWidget.h

@@ -16,6 +16,8 @@ class QMenu;
 
 ADS_NAMESPACE_BEGIN
 
+class InternalContentData;
+
 // ContainerWidget is the main container to provide the docking
 // functionality. It manages mulitple Sections and all possible areas.
 class ContainerWidget : public QFrame

AdvancedDockingSystem/include/ads/FloatingWidget.h

@@ -14,6 +14,7 @@ ADS_NAMESPACE_BEGIN
 class ContainerWidget;
 class SectionTitleWidget;
 class SectionContentWidget;
+class InternalContentData;
 
 // FloatingWidget holds and displays SectionContent as a floating window.
 // It can be resized, moved and dropped back into a SectionWidget.

AdvancedDockingSystem/include/ads/Internal.h

@@ -0,0 +1,26 @@
+#ifndef ADS_INTERNAL_HEADER
+#define ADS_INTERNAL_HEADER
+
+#include "ads/API.h"
+#include "ads/SectionContent.h"
+
+ADS_NAMESPACE_BEGIN
+class SectionContent;
+class SectionTitleWidget;
+class SectionContentWidget;
+
+
+class InternalContentData
+{
+public:
+	InternalContentData();
+	~InternalContentData();
+
+	SectionContent::RefPtr content;
+	SectionTitleWidget* titleWidget;
+	SectionContentWidget* contentWidget;
+};
+
+
+ADS_NAMESPACE_END
+#endif

AdvancedDockingSystem/include/ads/SectionWidget.h

@@ -17,6 +17,7 @@ ADS_NAMESPACE_BEGIN
 class ContainerWidget;
 class SectionTitleWidget;
 class SectionContentWidget;
+class InternalContentData;
 
 // SectionWidget manages multiple instances of SectionContent.
 // It displays a title TAB, which is clickable and will switch to

AdvancedDockingSystem/src/ContainerWidget.cpp

@@ -1,4 +1,5 @@
 #include "ads/ContainerWidget.h"
+#include "ads/Internal.h"
 
 #include <QPaintEvent>
 #include <QPainter>
@@ -40,17 +41,33 @@ static void dropContentOuterHelper(ContainerWidget* cw, QLayout* l, const Intern
 		QSplitter* sp = newSplitter(orientation);
 		if (append)
 		{
+#if QT_VERSION >= 0x050000
 			QLayoutItem* li = l->replaceWidget(oldsp, sp);
 			sp->addWidget(oldsp);
 			sp->addWidget(sw);
 			delete li;
+#else
+			int index = l->indexOf(oldsp);
+			QLayoutItem* li = l->takeAt(index);
+			sp->addWidget(oldsp);
+			sp->addWidget(sw);
+			delete li;
+#endif
 		}
 		else
 		{
+#if QT_VERSION >= 0x050000
 			sp->addWidget(sw);
 			QLayoutItem* li = l->replaceWidget(oldsp, sp);
 			sp->addWidget(oldsp);
 			delete li;
+#else
+			sp->addWidget(sw);
+			int index = l->indexOf(oldsp);
+			QLayoutItem* li = l->takeAt(index);
+			sp->addWidget(oldsp);
+			delete li;
+#endif
 		}
 	}
 }
@@ -349,7 +366,11 @@ QMenu* ContainerWidget::createContextMenu() const
 			QAction* a = m->addAction(QIcon(), QString("Floating %1").arg(c->uid()));
 			a->setCheckable(true);
 			a->setChecked(fw->isVisible());
+#if QT_VERSION >= 0x050000
 			QObject::connect(a, &QAction::toggled, fw, &FloatingWidget::setVisible);
+#else
+			QObject::connect(a, SIGNAL(toggled(bool)), fw, SLOT(setVisible(bool)));
+#endif
 		}
 	}
 

AdvancedDockingSystem/src/DropOverlay.cpp

@@ -8,8 +8,8 @@
 #include <QPainter>
 #include <QGridLayout>
 #include <QCursor>
-#include <QtGui/QIcon>
-#include <QtWidgets/QLabel>
+#include <QIcon>
+#include <QLabel>
 
 ADS_NAMESPACE_BEGIN
 
@@ -288,7 +288,11 @@ void hideDropOverlay()
 	{
 		MyOverlay->hide();
 		delete MyOverlay;
+#if QT_VERSION >= 0x050000
 		MyOverlayParent.clear();
+#else
+		MyOverlayParent = 0;
+#endif
 		MyOverlayParentRect = QRect();
 		MyOverlayLastLocation = InvalidDropArea;
 	}

AdvancedDockingSystem/src/FloatingWidget.cpp

@@ -11,6 +11,7 @@
 #include "ads/ContainerWidget.h"
 #include "ads/SectionTitleWidget.h"
 #include "ads/SectionContentWidget.h"
+#include "ads/Internal.h"
 
 ADS_NAMESPACE_BEGIN
 
@@ -45,7 +46,8 @@ FloatingWidget::FloatingWidget(ContainerWidget* container, SectionContent::RefPt
 	closeButton->setToolTip(tr("Close"));
 	closeButton->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
 	_titleLayout->addWidget(closeButton);
-	QObject::connect(closeButton, &QPushButton::clicked, this, &FloatingWidget::close);
+	//QObject::connect(closeButton, &QPushButton::clicked, this, &FloatingWidget::close);
+	QObject::connect(closeButton, SIGNAL(clicked()), this, SLOT(close()));
 
 	// Content
 	l->addWidget(contentWidget, 1);

AdvancedDockingSystem/src/Internal.cpp

@@ -0,0 +1,15 @@
+#include "ads/Internal.h"
+
+ADS_NAMESPACE_BEGIN
+
+InternalContentData::InternalContentData() :
+	titleWidget(NULL),
+	contentWidget(NULL)
+{
+}
+
+InternalContentData::~InternalContentData()
+{
+}
+
+ADS_NAMESPACE_END

AdvancedDockingSystem/src/SectionTitleWidget.cpp

@@ -16,6 +16,7 @@
 #include <QParallelAnimationGroup>
 #endif
 
+#include "ads/Internal.h"
 #include "ads/DropOverlay.h"
 #include "ads/SectionContent.h"
 #include "ads/SectionWidget.h"
@@ -84,7 +85,11 @@ void SectionTitleWidget::mouseReleaseEvent(QMouseEvent* ev)
 #if !defined(ADS_ANIMATIONS_ENABLED)
 				InternalContentData data = _fw->takeContent();
 				_fw->deleteLater();
+#if QT_VERSION >= 0x050000
 				_fw.clear();
+#else
+				_fw = 0;
+#endif
 				cw->dropContent(data, sw, loc);
 #else
 				QPropertyAnimation* moveAnim = new QPropertyAnimation(_fw, "pos", this);
@@ -129,7 +134,11 @@ void SectionTitleWidget::mouseReleaseEvent(QMouseEvent* ev)
 #if !defined(ADS_ANIMATIONS_ENABLED)
 				InternalContentData data = _fw->takeContent();
 				_fw->deleteLater();
+#if QT_VERSION >= 0x050000
 				_fw.clear();
+#else
+				_fw = 0;
+#endif
 				cw->dropContent(data, NULL, dropArea);
 #else
 #endif

AdvancedDockingSystem/src/SectionWidget.cpp

@@ -8,12 +8,13 @@
 #include <QMimeData>
 #include <QPainter>
 #include <QStyle>
-#include <QtWidgets/QSplitter>
+#include <QSplitter>
 
 #if defined(ADS_ANIMATIONS_ENABLED)
 #include <QGraphicsDropShadowEffect>
 #endif
 
+#include "ads/Internal.h"
 #include "ads/DropOverlay.h"
 #include "ads/SectionContent.h"
 #include "ads/SectionTitleWidget.h"
@@ -100,7 +101,11 @@ void SectionWidget::addContent(SectionContent::RefPtr c)
 	SectionTitleWidget* title = new SectionTitleWidget(c, NULL);
 	_sectionTitles.append(title);
 	_tabsLayout->insertWidget(_tabsLayout->count() - 1, title);
+#if QT_VERSION >= 0x050000
 	QObject::connect(title, &SectionTitleWidget::clicked, this, &SectionWidget::onSectionTitleClicked);
+#else
+	QObject::connect(title, SIGNAL(clicked()), this, SLOT(onSectionTitleClicked()));
+#endif
 
 	SectionContentWidget* content = new SectionContentWidget(c, NULL);
 	_sectionContents.append(content);
@@ -120,7 +125,11 @@ void SectionWidget::addContent(const InternalContentData& data, bool autoActivat
 
 	_sectionTitles.append(data.titleWidget);
 	_tabsLayout->insertWidget(_tabsLayout->count() - 1, data.titleWidget);
+#if QT_VERSION >= 0x050000
 	QObject::connect(data.titleWidget, &SectionTitleWidget::clicked, this, &SectionWidget::onSectionTitleClicked);
+#else
+	QObject::connect(data.titleWidget, SIGNAL(clicked()), this, SLOT(onSectionTitleClicked()));
+#endif
 
 	_sectionContents.append(data.contentWidget);
 	_contentsLayout->addWidget(data.contentWidget);
@@ -227,7 +236,13 @@ void SectionWidget::moveContent(int from, int to)
 	QLayoutItem* liFrom = NULL;
 
 	liFrom = _tabsLayout->takeAt(from);
+#if QT_VERSION >= 0x050000
 	_tabsLayout->insertItem(to, liFrom);
+#else
+	_tabsLayout->insertWidget(to, liFrom->widget());
+	delete liFrom;
+	liFrom = NULL;
+#endif
 
 	liFrom = _contentsLayout->takeAt(from);
 	_contentsLayout->insertWidget(to, liFrom->widget());