From 06fe4abf6a662bf892092ad45ff8d50e4592cfd5 Mon Sep 17 00:00:00 2001
From: Dushyant Basson <onizu.db@gmail.com>
Date: Sat, 23 Apr 2022 16:03:30 +0530
Subject: [PATCH] Updated to use Qt5

---
 src/qtviewer/CMakeLists.txt | 40 ++++++++++++-------------------------
 1 file changed, 13 insertions(+), 27 deletions(-)

diff --git a/src/qtviewer/CMakeLists.txt b/src/qtviewer/CMakeLists.txt
index a1649011aa..3a694899c8 100644
--- a/src/qtviewer/CMakeLists.txt
+++ b/src/qtviewer/CMakeLists.txt
@@ -17,39 +17,25 @@
 #                                                                              #
 ################################################################################
 
-# Find QT header files
-SET(QT_MIN_VERSION "4.5.0")
-FIND_PACKAGE(Qt4 REQUIRED)
-FIND_PACKAGE(Qt4 COMPONENTS QtCore QtGui QtOpenGL)
+cmake_minimum_required(VERSION 3.1.3)
 
-INCLUDE(${QT_USE_FILE})
-SET(CMAKE_PACKAGE_QTGUI TRUE)
+message("Running CMakeLists.txt in /src/qtviewer")
+message("Provide the path to Qt5 via CMAKE_PREFIX_PATH")
 
-# Find QT header files
-IF("$ENV{QT_INCLUDE_DIR}" STREQUAL "") 
-        SET(QT_INCLUDE_DIR "/usr/include/QT4/" CACHE FILEPATH "QT4 header files")
-        MESSAGE(STATUS "Looking for QT4 include files in: ${QT_INCLUDE_DIR}")
-        MESSAGE(STATUS "Use QT_INCLUDE_DIR to specify another directory")
-ELSE()
-        SET(QT_INCLUDE_DIR $ENV{QT_INCLUDE_DIR} CACHE FILEPATH "QT4 header files")
-        MESSAGE(STATUS "Looking for QT4 include files in: ${QT_INCLUDE_DIR}")
-ENDIF()
+find_package(Qt5 COMPONENTS Core Gui OpenGL Widgets REQUIRED)
 
-
-INCLUDE_DIRECTORIES(${QT_INCLUDE_DIR})
-
-SET(QTviewer_SRCS
+add_executable(QtViewer
         ../../src/qtviewer/mainwindow.h
         ../../src/qtviewer/mainwindow.cpp
         ../../src/qtviewer/main.cpp
 )
-SET(QTviewer_MOC_SRCS 
-        ../../src/qtviewer/mainwindow.h
+
+set_target_properties(QtViewer PROPERTIES
+	AUTOMOC On
 )
 
-QT_WRAP_CPP(QTviewer QTviewer_SRCS ${QTviewer_MOC_SRCS})
-
-ADD_EXECUTABLE(  QTviewer ${QTviewer_SRCS} ${QTviewer_MOC_SRCS})
-#http://www.qtcentre.org/wiki/index.php?title=Compiling_Qt4_apps_with_CMake
-
-TARGET_LINK_LIBRARIES (QTviewer ${IFCLIBS} ${QT_LIBRARIES} ${OPENCASCADE_LIBRARIES})
+target_link_libraries(QTviewer
+	${IFCLIBS}
+	Qt5::Core Qt5::Gui Qt5::OpenGL Qt5::Widgets
+	${OPENCASCADE_LIBRARIES}
+)
\ No newline at end of file