# HG changeset patch
# User Sebastien Jodogne <s.jodogne@gmail.com>
# Date 1539347928 -7200
# Node ID 10d188d6e5ccb60ca8140db41233a82e50d4c066
# Parent  daa04d15192c1c85bff93332647badac31c5c238
compatibility with Qt4

diff -r daa04d15192c -r 10d188d6e5cc Applications/Samples/Qt/SampleMainWindow.cpp
--- a/Applications/Samples/Qt/SampleMainWindow.cpp	Thu Oct 11 13:16:54 2018 +0200
+++ b/Applications/Samples/Qt/SampleMainWindow.cpp	Fri Oct 12 14:38:48 2018 +0200
@@ -40,10 +40,17 @@
       ui_->setupUi(this);
       SetCentralStoneWidget(ui_->cairoCentralWidget);
 
+#if QT_VERSION >= 0x050000
       connect(ui_->toolButton1, &QToolButton::clicked, this, &SampleMainWindow::tool1Clicked);
       connect(ui_->toolButton2, &QToolButton::clicked, this, &SampleMainWindow::tool2Clicked);
       connect(ui_->pushButton1, &QPushButton::clicked, this, &SampleMainWindow::pushButton1Clicked);
       connect(ui_->pushButton1, &QPushButton::clicked, this, &SampleMainWindow::pushButton2Clicked);
+#else
+      connect(ui_->toolButton1, SIGNAL(clicked()), this, SLOT(tool1Clicked()));
+      connect(ui_->toolButton2, SIGNAL(clicked()), this, SLOT(tool2Clicked()));
+      connect(ui_->pushButton1, SIGNAL(clicked()), this, SLOT(pushButton1Clicked()));
+      connect(ui_->pushButton1, SIGNAL(clicked()), this, SLOT(pushButton2Clicked()));
+#endif
 
       std::string pushButton1Name;
       std::string pushButton2Name;
diff -r daa04d15192c -r 10d188d6e5cc Applications/Samples/SimpleViewer/Qt/SimpleViewerMainWindow.cpp
--- a/Applications/Samples/SimpleViewer/Qt/SimpleViewerMainWindow.cpp	Thu Oct 11 13:16:54 2018 +0200
+++ b/Applications/Samples/SimpleViewer/Qt/SimpleViewerMainWindow.cpp	Fri Oct 12 14:38:48 2018 +0200
@@ -38,12 +38,21 @@
     ui_->setupUi(this);
     SetCentralStoneWidget(ui_->cairoCentralWidget);
 
+#if QT_VERSION >= 0x050000
     connect(ui_->toolButtonCrop, &QToolButton::clicked, this, &SimpleViewerMainWindow::cropClicked);
     connect(ui_->toolButtonLine, &QToolButton::clicked, this, &SimpleViewerMainWindow::lineClicked);
     connect(ui_->toolButtonCircle, &QToolButton::clicked, this, &SimpleViewerMainWindow::circleClicked);
     connect(ui_->toolButtonWindowing, &QToolButton::clicked, this, &SimpleViewerMainWindow::windowingClicked);
     connect(ui_->pushButtonRotate, &QPushButton::clicked, this, &SimpleViewerMainWindow::rotateClicked);
     connect(ui_->pushButtonInvert, &QPushButton::clicked, this, &SimpleViewerMainWindow::invertClicked);
+#else
+    connect(ui_->toolButtonCrop, SIGNAL(clicked()), this, SLOT(cropClicked()));
+    connect(ui_->toolButtonLine, SIGNAL(clicked()), this, SLOT(lineClicked()));
+    connect(ui_->toolButtonCircle, SIGNAL(clicked()), this, SLOT(circleClicked()));
+    connect(ui_->toolButtonWindowing, SIGNAL(clicked()), this, SLOT(windowingClicked()));
+    connect(ui_->pushButtonRotate, SIGNAL(clicked()), this, SLOT(rotateClicked()));
+    connect(ui_->pushButtonInvert, SIGNAL(clicked()), this, SLOT(invertClicked()));
+#endif
   }
 
   SimpleViewerMainWindow::~SimpleViewerMainWindow()
diff -r daa04d15192c -r 10d188d6e5cc Resources/CMake/QtConfiguration.cmake
--- a/Resources/CMake/QtConfiguration.cmake	Thu Oct 11 13:16:54 2018 +0200
+++ b/Resources/CMake/QtConfiguration.cmake	Fri Oct 12 14:38:48 2018 +0200
@@ -23,18 +23,28 @@
 set(CMAKE_INCLUDE_CURRENT_DIR ON)
 
 # Find the QtWidgets library
-find_package(Qt5Widgets)
-find_package(Qt5Core)
+find_package(Qt5Widgets QUIET)
+
+if (Qt5Widgets_FOUND)
+  message("Qt5 has been detected")
+  find_package(Qt5Core REQUIRED)
+  link_libraries(
+    Qt5::Widgets
+    Qt5::Core
+    )
+else()
+  message("Qt5 has not been found, trying with Qt4")
+  find_package(Qt4 REQUIRED QtGui)
+  link_libraries(
+    Qt4::QtGui
+    )
+endif()
 
 list(APPEND QT_SOURCES
-    ${ORTHANC_STONE_ROOT}/Applications/Qt/QCairoWidget.cpp
-    ${ORTHANC_STONE_ROOT}/Applications/Qt/QtStoneApplicationRunner.cpp
-    ${ORTHANC_STONE_ROOT}/Applications/Qt/QStoneMainWindow.cpp
-)
+  ${ORTHANC_STONE_ROOT}/Applications/Qt/QCairoWidget.cpp
+  ${ORTHANC_STONE_ROOT}/Applications/Qt/QtStoneApplicationRunner.cpp
+  ${ORTHANC_STONE_ROOT}/Applications/Qt/QStoneMainWindow.cpp
+  )
 
 include_directories(${ORTHANC_STONE_ROOT}/Applications/Qt/)
 
-link_libraries(
-    Qt5::Widgets
-    Qt5::Core
-)