find and include python plugin dependencies

.appveyor.yml

@@ -12,7 +12,7 @@ cache:
 before_build:
   - git submodule update --init --recursive
   # - C:\msys64\usr\bin\bash -lc "pacman --noconfirm -Syyuu"
-  - C:\msys64\usr\bin\bash -lc "pacman --noconfirm --needed -S make mingw-w64-x86_64-{cmake,toolchain,clang,gtkmm3,gtksourceviewmm3,boost,aspell,aspell-en,libgit2,universal-ctags-git,libffi}"
+  - C:\msys64\usr\bin\bash -lc "pacman --noconfirm --needed -S make mingw-w64-x86_64-{cmake,toolchain,clang,gtkmm3,gtksourceviewmm3,boost,aspell,aspell-en,libgit2,universal-ctags-git,libffi,pygobject-devel}"
 
 build_script:
   - C:\msys64\usr\bin\bash -lc "cd $APPVEYOR_BUILD_FOLDER && mkdir build && cd build && cmake -G\"MSYS Makefiles\" -DCMAKE_INSTALL_PREFIX=/mingw64 -DBUILD_TESTING=1 .. && make -j$(nproc) && make test"

.gitmodules

@@ -4,3 +4,6 @@
 [submodule "lib/libclangmm"]
 	path = lib/libclangmm
 	url = https://gitlab.com/cppit/libclangmm
+[submodule "lib/pybind11"]
+	path = lib/pybind11
+	url = https://github.com/pybind/pybind11

CMakeLists.txt

@@ -48,9 +48,68 @@ option(BUILD_FUZZING "Build tests")
 option(LIBCLANG_PATH "Use custom path for libclang")
 option(LIBLLDB_PATH "Use custom path for liblldb")
 
+if(${CMAKE_VERSION} VERSION_GREATER 3.11.4)
+  if (${CMAKE_HOST_WIN32})
+    if("$ENV{APPVEYOR}" STREQUAL "True")
+      set(MINGW_PATH "C:/msys64/mingw64")
+    else()
+      set(MINGW_PATH "$ENV{MSYSTEM_PREFIX}")
+    endif()
+    set(MINGW_PYTHON_VERSION 3.7)
+    set(MINGW_LIBRARY_DIR "${MINGW_PATH}/lib")
+    set(MINGW_INCLUDE_DIR "${MINGW_PATH}/include")
+    find_file(Python3_LIBRARIES "libpython${MINGW_PYTHON_VERSION}m.dll.a" HINTS ${MINGW_LIBRARY_DIR} NO_DEFAULT_PATH)
+    find_path(Python3_INCLUDE_DIRS "Python.h" HINTS "${MINGW_INCLUDE_DIR}/python${MINGW_PYTHON_VERSION}m" NO_DEFAULT_PATH)
+    if (EXISTS ${Python3_LIBRARIES} AND EXISTS ${Python3_INCLUDE_DIRS})
+      set(Python3_FOUND True)
+      set(Python3_LIBRARY_DIRS "${MINGW_LIBRARY_DIR}/python${MINGW_PYTHON_VERSION}")
+      set(Python3_VERSION_MAJOR 3)
+      set(Python3_VERSION_MINOR 7)
+    endif()
+  else()
+    find_package(Python3 COMPONENTS Development)
+  endif()
+else()
+  find_package(PythonLibs 3)
+  message(${PYTHONLIBS_VERSION_STRING})
+endif()
+
+if(${Python3_FOUND})
+  if(${CMAKE_HOST_WIN32})
+    set(PYTHONLIBS_FOUND True)
+    set(PYTHON_MODULE_EXTENSION True)
+  endif()
+  set(PYTHONLIBS_FOUND ${Python3_FOUND})
+  set(PYTHON_LIBRARIES ${Python3_LIBRARIES})
+  set(PYTHON_INCLUDE_DIRS ${Python3_INCLUDE_DIRS})
+  set(PYTHON_LIBRARY_DIR ${Python3_LIBRARY_DIRS}/python${Python3_VERSION_MAJOR}.${Python3_VERSION_MINOR})
+endif()
+
+include(FindPkgConfig)
+
+set(PYGOBJECT_FOUND False)
+
+if(${PYTHONLIBS_FOUND})
+  add_subdirectory(lib/pybind11)
+  pkg_check_modules(PYGOBJECT pygobject-3.0)
+  if("${PYGOBJECT_FOUND}" STREQUAL "")
+    set(PYGOBJECT_FOUND False)
+  endif()
+endif()
+
+if(${PYGOBJECT_FOUND})
+  add_definitions(-DJUCI_ENABLE_PLUGINS)
+else()
+  message(STATUS "Python or pygobject not found. Building juCi++ without plugin support.")
+endif()
+
+set(BUILD_TESTING_SAVED ${BUILD_TESTING})
+set(BUILD_TESTING OFF CACHE BOOL "Disable sub-project tests" FORCE)
+add_subdirectory(lib/libclangmm)
+add_subdirectory(lib/tiny-process-library)
+set(BUILD_TESTING ${BUILD_TESTING_SAVED} CACHE BOOL "Set to previous value" FORCE)
 find_package(Boost 1.54 COMPONENTS REQUIRED filesystem serialization)
 find_package(ASPELL REQUIRED)
-include(FindPkgConfig)
 pkg_check_modules(GTKMM gtkmm-3.0 REQUIRED)
 pkg_check_modules(GTKSVMM gtksourceviewmm-3.0 REQUIRED)
 pkg_check_modules(LIBGIT2 libgit2 REQUIRED)
@@ -112,6 +171,8 @@ include_directories(
   ${LIBCLANG_INCLUDE_DIRS}
   ${ASPELL_INCLUDE_DIR}
   ${LIBGIT2_INCLUDE_DIRS}
+  ${PYTHON_INCLUDE_DIRS}
+  ${PYGOBJECT_INCLUDE_DIRS}
 )
 
 add_subdirectory("src")

docs/install.md

@@ -143,7 +143,7 @@ make install
 
 Install dependencies (replace `x86_64` with `i686` for 32-bit MSYS2 installs):
 ```sh
-pacman -S git mingw-w64-x86_64-cmake make mingw-w64-x86_64-toolchain mingw-w64-x86_64-clang mingw-w64-x86_64-gtkmm3 mingw-w64-x86_64-gtksourceviewmm3 mingw-w64-x86_64-boost mingw-w64-x86_64-aspell mingw-w64-x86_64-aspell-en mingw-w64-x86_64-libgit2 mingw-w64-x86_64-universal-ctags-git
+pacman -S git make mingw-w64-x86_64-{cmake,toolchain,clang,gtkmm3,gtksourceviewmm3,boost,aspell,aspell-en,libgit2,universal-ctags-git,pygobject-devel}
 ```
 
 Note that juCi++ must be built and run in a MinGW Shell (for instance MinGW-w64 Win64 Shell).

lib/pybind11

@@ -0,0 +1 @@
+Subproject commit 9a19306fbf30642ca331d0ec88e7da54a96860f9

src/CMakeLists.txt

@@ -41,25 +41,36 @@ target_link_libraries(juci_shared
   tiny-process-library
 )
 
-set(JUCI_FILES
-  config.cpp
-  dialogs.cpp
-  dialogs_unix.cpp
-  directories.cpp
-  entrybox.cpp
-  info.cpp
-  juci.cpp
-  notebook.cpp
-  project.cpp
-  selection_dialog.cpp
-  window.cpp
+set(JUCI_SOURCES
+  config.cc
+  dialogs.cc
+  dialogs_unix.cc
+  directories.cc
+  entrybox.cc
+  info.cc
+  juci.cc
+  notebook.cc
+  project.cc
+  selection_dialog.cc
+  tooltips.cc
+  window.cc
 )
+
 if(APPLE)
-  list(APPEND JUCI_FILES window_macos.m)
+  list(APPEND JUCI_SOURCES window_macos.m)
+endif()
+
+
+set(JUCI_TARGET_LIBRARIES
+  juci_shared
+)
+
+if(${PYTHONLIBS_FOUND})
+  list(APPEND JUCI_TARGET_LIBRARIES pybind11 ${PYTHON_LIBRARIES} ${PYGOBJECT_LIBRARIES})
 endif()
 
-add_executable(juci ${JUCI_FILES})
-target_link_libraries(juci juci_shared)
+add_executable(juci ${JUCI_SOURCES})
+target_link_libraries(juci ${JUCI_TARGET_LIBRARIES})
 
 if(APPLE)
   target_link_libraries(juci "-framework Foundation -framework AppKit")

tests/CMakeLists.txt

@@ -5,7 +5,12 @@ endif()
 
 add_definitions(-DJUCI_BUILD_PATH="${CMAKE_BINARY_DIR}" -DJUCI_TESTS_PATH="${CMAKE_CURRENT_SOURCE_DIR}")
 
-include_directories(${CMAKE_SOURCE_DIR}/src)
+include_directories(
+  ${CMAKE_SOURCE_DIR}/src
+  ${CMAKE_SOURCE_DIR}/libclangmm/src
+  ${CMAKE_SOURCE_DIR}/tiny-process-library
+  ${CMAKE_SOURCE_DIR}/pybind11
+)
 
 add_library(test_stubs OBJECT
   stubs/config.cpp