feat: add support for Qt6

use both Qt6 and Qt5 to compile, generate gio-qt6 for Qt6

Log: add support for Qt6

.gitignore

@@ -1,5 +1,64 @@
-# User
-*.user
+# C++ objects and libs
+*.slo
+*.lo
+*.o
+*.a
+*.la
+*.lai
+*.so
+*.so.*
+*.dll
+*.dylib
 
-# Build directory
-build/
+# Qt-es
+object_script.*.Release
+object_script.*.Debug
+*_plugin_import.cpp
+/.qmake.cache
+/.qmake.stash
+*.pro.user
+*.pro.user.*
+*.qbs.user
+*.qbs.user.*
+*.moc
+moc_*.cpp
+moc_*.h
+qrc_*.cpp
+ui_*.h
+*.qmlc
+*.jsc
+Makefile*
+*build-*
+*.qm
+*.prl
+
+# Qt unit tests
+target_wrapper.*
+
+# QtCreator
+*.autosave
+
+# QtCreator Qml
+*.qmlproject.user
+*.qmlproject.user.*
+
+# QtCreator CMake
+CMakeLists.txt.user*
+
+# QtCreator 4.8< compilation database
+compile_commands.json
+
+# QtCreator local machine specific files for imported projects
+*creator.user*
+
+*_qmlcache.qrc
+
+# debian
+debian/*debhelper*
+debian/files
+debian/libgio-qt/
+debian/libgio-qt-dev/
+debian/libgio-qt-doc/
+debian/tmp/
+debian/*.substvars
+obj-*

CMakeLists.txt

@@ -1,7 +1,7 @@
-project(gio-qt)
-
 cmake_minimum_required(VERSION 3.12.4)
 
+project(gio-qt)
+
 option(BUILD_TESTS "Build tests" OFF)
 option(BUILD_UTILS "Build utilities" ON)
 option(BUILD_DOCS "Build documentation" ON)
@@ -29,17 +29,9 @@ endif ()
 
 include(GNUInstallDirs)
 
-# Find the QtWidgets library
-find_package(Qt5 ${QT_MINIMUM_VERSION} CONFIG REQUIRED Core)
-find_package(PkgConfig REQUIRED)
-find_package(Doxygen)
-
-pkg_check_modules(GIOMM giomm-2.4) # look into FindPkgConfig.cmake
-
 add_subdirectory(gio-qt)
 
 if (BUILD_TESTS)
-    find_package(Qt5 ${QT_MINIMUM_VERSION} CONFIG REQUIRED Test)
     add_subdirectory(test)
 endif ()
 
@@ -48,6 +40,7 @@ if (BUILD_UTILS)
 endif ()
 
 if (BUILD_DOCS)
+    find_package(Doxygen)
     if (NOT DOXYGEN_FOUND)
         message(FATAL_ERROR "Doxygen is required to build the documentation.")
     endif ()
@@ -70,7 +63,6 @@ if (BUILD_DOCS)
     )
 
     install (FILES ${CMAKE_CURRENT_BINARY_DIR}/docs/gio-qt.qch DESTINATION share/qt5/doc)
-
 else ()
     message (STATUS "")
     message (STATUS "To build docs, please use -DBUILD_DOCS=Yes")

debian/compat

@@ -1 +1 @@
-9
+11

debian/control

@@ -3,14 +3,15 @@ Section: libs
 Priority: optional
 Maintainer: Gary Wang <wzc782970009@gmail.com>
 Build-Depends:
- debhelper (>= 9),
+ debhelper (>= 11),
  cmake,
  pkg-config,
  qtbase5-dev,
- qt5-qmake,
+ qttools5-dev-tools,
+ qt6-base-dev,
+ qt6-tools-dev-tools,
  libglibmm-2.4-dev,
- doxygen,
- qttools5-dev-tools
+ doxygen
 Standards-Version: 3.9.8
 Homepage: https://github.com/linuxdeepin/gio-qt
 
@@ -20,18 +21,18 @@ Conflicts: libgio-qt0
 Replaces: libgio-qt0
 Depends: ${shlibs:Depends}, ${misc:Depends}, libglibmm-2.4-1v5
 Description: Gio wrapper for Qt.
- A convenient way to bind gio with Qt5.
+ A convenient way to bind gio with either Qt5 or Qt6.
 
 Package: libgio-qt-dev
 Architecture: any
 Section: libdevel
 Depends: libgio-qt, ${misc:Depends}, libglibmm-2.4-dev
 Description: Development package for libgio-qt.
- A convenient way to bind gio with Qt5.
+ A convenient way to bind gio with either Qt5 or Qt6.
 
 Package: libgio-qt-doc
 Architecture: any
 Section: doc
 Depends: ${misc:Depends}
 Description: Gio wrapper for Qt (documentation)
- A convenient way to bind gio with Qt5.
+ A convenient way to bind gio with either Qt5 or Qt6.

gio-qt/CMakeLists.txt

@@ -1,7 +1,9 @@
 # Populate a CMake variable with the sources
 # TODO: portable headers?
 
-configure_file ("gio-qt.pc.in" "gio-qt.pc" @ONLY)
+find_package(PkgConfig REQUIRED)
+
+pkg_check_modules(GIOMM giomm-2.4) # look into FindPkgConfig.cmake
 
 set (QGIO_PUBLIC_HEADER_FILES
     include/dglibutils.h
@@ -34,40 +36,9 @@ set (QGIO_PRIVATE_CPP_FILES
     private/dgiohelper.cpp
 )
 
-# Library
-add_library (gio-qt SHARED
-    ${QGIO_PUBLIC_HEADER_FILES}
-    ${QGIO_PRIVATE_HEADER_FILES}
-    ${QGIO_PRIVATE_CPP_FILES}
-)
+include(qt6.cmake)
+include(qt5.cmake)
 
-set_target_properties(
-    gio-qt PROPERTIES
-    VERSION ${PROJECT_VERSION}
-    SOVERSION ${PROJECT_VERSION_MAJOR}
-)
-
-target_include_directories(gio-qt
-PRIVATE
-    ${GIOMM_INCLUDE_DIRS}
-    ${CMAKE_CURRENT_LIST_DIR}/private
-PUBLIC
-    ${CMAKE_CURRENT_LIST_DIR}/include
-)
-
-target_link_libraries (gio-qt Qt5::Core ${GIOMM_LIBRARIES})
-
-target_compile_definitions(gio-qt PRIVATE
-    QT_NO_KEYWORDS
-)
-
-## dev files
 install (FILES ${QGIO_PUBLIC_HEADER_FILES}
     DESTINATION include/gio-qt
 )
-
-install_targets ("/${CMAKE_INSTALL_LIBDIR}" gio-qt)
-
-install (FILES "${CMAKE_CURRENT_BINARY_DIR}/gio-qt.pc"
-    DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig
-)

gio-qt/gio-qt6.pc.in

@@ -0,0 +1,12 @@
+prefix=@CMAKE_INSTALL_PREFIX@
+exec_prefix=@CMAKE_INSTALL_PREFIX@
+libdir=${prefix}/@CMAKE_INSTALL_LIBDIR@
+includedir=${prefix}/include
+
+Name: gio-qt6
+Description: Qt wrapper library for GIO.
+Version: @PROJECT_VERSION@
+Requires: glibmm-2.4, Qt6Core
+
+Libs: -L${libdir} -lgio-qt6
+Cflags: -I${includedir} -I${includedir}/gio-qt

gio-qt/include/dgiofile.h

@@ -8,6 +8,8 @@
 #include <QObject>
 #include <QSharedData>
 
+#include <limits.h>
+
 namespace Gio {
 class File;
 }

gio-qt/qt5.cmake

@@ -0,0 +1,39 @@
+# Find the QtWidgets library
+find_package(Qt5 ${QT_MINIMUM_VERSION} CONFIG REQUIRED Core)
+
+# Library
+add_library(${PROJECT_NAME}_qt5 SHARED
+    ${QGIO_PUBLIC_HEADER_FILES}
+    ${QGIO_PRIVATE_HEADER_FILES}
+    ${QGIO_PRIVATE_CPP_FILES}
+)
+
+set_target_properties(
+    ${PROJECT_NAME}_qt5 PROPERTIES
+    OUTPUT_NAME gio-qt
+    VERSION ${PROJECT_VERSION}
+    SOVERSION ${PROJECT_VERSION_MAJOR}
+)
+
+target_include_directories(${PROJECT_NAME}_qt5
+PRIVATE
+    ${GIOMM_INCLUDE_DIRS}
+    ${CMAKE_CURRENT_LIST_DIR}/private
+PUBLIC
+    ${CMAKE_CURRENT_LIST_DIR}/include
+    Qt5::Core
+)
+
+target_link_libraries(${PROJECT_NAME}_qt5 Qt5::Core ${GIOMM_LIBRARIES})
+
+target_compile_definitions(${PROJECT_NAME}_qt5 PRIVATE
+    QT_NO_KEYWORDS
+)
+
+install(TARGETS ${PROJECT_NAME}_qt5 DESTINATION ${CMAKE_INSTALL_LIBDIR})
+
+## dev files
+configure_file("gio-qt.pc.in" "gio-qt.pc" @ONLY)
+install(FILES "${CMAKE_CURRENT_BINARY_DIR}/gio-qt.pc"
+    DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig
+)

gio-qt/qt6.cmake

@@ -0,0 +1,39 @@
+# Find the QtWidgets library
+find_package(Qt6 REQUIRED COMPONENTS Core)
+
+# Library
+add_library(${PROJECT_NAME}_qt6 SHARED
+    ${QGIO_PUBLIC_HEADER_FILES}
+    ${QGIO_PRIVATE_HEADER_FILES}
+    ${QGIO_PRIVATE_CPP_FILES}
+)
+
+set_target_properties(
+    ${PROJECT_NAME}_qt6 PROPERTIES
+    OUTPUT_NAME gio-qt6
+    VERSION ${PROJECT_VERSION}
+    SOVERSION ${PROJECT_VERSION_MAJOR}
+)
+
+target_include_directories(${PROJECT_NAME}_qt6
+PRIVATE
+    ${GIOMM_INCLUDE_DIRS}
+    ${CMAKE_CURRENT_LIST_DIR}/private
+PUBLIC
+    ${CMAKE_CURRENT_LIST_DIR}/include
+    Qt6::Core
+)
+
+target_link_libraries(${PROJECT_NAME}_qt6 Qt6::Core ${GIOMM_LIBRARIES})
+
+target_compile_definitions(${PROJECT_NAME}_qt6 PRIVATE
+    QT_NO_KEYWORDS
+)
+
+install(TARGETS ${PROJECT_NAME}_qt6 DESTINATION ${CMAKE_INSTALL_LIBDIR})
+
+## dev files
+configure_file("gio-qt6.pc.in" "gio-qt6.pc" @ONLY)
+install(FILES "${CMAKE_CURRENT_BINARY_DIR}/gio-qt6.pc"
+    DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig
+)

qgio-tools/CMakeLists.txt

@@ -1,6 +1,4 @@
 # QXdgDesktopEntryTest
-add_executable (qgio-tools
-    main.cpp
-)
 
-target_link_libraries (qgio-tools gio-qt)
+include(qt6.cmake)
+include(qt5.cmake)

qgio-tools/qt5.cmake

@@ -0,0 +1,3 @@
+add_executable (qgio-tools main.cpp)
+
+target_link_libraries (qgio-tools gio-qt_qt5)

qgio-tools/qt6.cmake

@@ -0,0 +1,3 @@
+add_executable(qgio-tools-qt6 main.cpp)
+
+target_link_libraries(qgio-tools-qt6 gio-qt_qt6)

test/CMakeLists.txt

@@ -1,3 +1,5 @@
+find_package(Qt6 REQUIRED COMPONENTS Test)
+
 enable_testing ()
 
 function(DGIO_CREATE_TEST _generated_target_name _input_file_name _use_giomm)