add initial wayland im implementation

CMakeLists.txt

@@ -36,6 +36,9 @@ find_package(IsoCodes)
 find_package(LibXml2)
 find_package(XKeyboardConfig)
 find_package(Cairo COMPONENTS Cairo XCB EGL)
+find_package(Wayland COMPONENTS Client)
+find_package(WaylandScanner)
+find_package(WaylandProtocols)
 
 set(DEFAULT_XKB_RULES_FILES "${XKEYBOARDCONFIG_XKBBASE}/rules/${DEFAULT_XKB_RULES}.xml")
 if (NOT EXISTS "${DEFAULT_XKB_RULES_FILES}")

cmake/FindWaylandProtocols.cmake

@@ -0,0 +1,24 @@
+find_package(PkgConfig)
+
+pkg_check_modules(WaylandProtocols QUIET "wayland-protocols>=${WaylandProtocols_FIND_VERSION}")
+
+pkg_get_variable(WaylandProtocols_PKGDATADIR wayland-protocols pkgdatadir)
+
+mark_as_advanced(WaylandProtocols_PKGDATADIR)
+
+string(REGEX REPLACE "[\r\n]" "" WaylandProtocols_PKGDATADIR "${WaylandProtocols_PKGDATADIR}")
+
+find_package_handle_standard_args(WaylandProtocols
+    FOUND_VAR
+        WaylandProtocols_FOUND
+    REQUIRED_VARS
+        WaylandProtocols_PKGDATADIR
+    VERSION_VAR
+        WaylandProtocols_VERSION
+    HANDLE_COMPONENTS
+)
+
+set(WAYLAND_PROTOCOLS_FOUND ${WaylandProtocols_FOUND})
+set(WAYLAND_PROTOCOLS_PKGDATADIR ${WaylandProtocols_PKGDATADIR})
+set(WAYLAND_PROTOCOLS_VERSION ${WaylandProtocols_VERSION})
+

src/frontend/CMakeLists.txt

@@ -1,2 +1,3 @@
 add_subdirectory(xim)
 add_subdirectory(dbusfrontend)
+add_subdirectory(waylandim)

src/frontend/waylandim/CMakeLists.txt

@@ -0,0 +1,17 @@
+set(WAYLAND_IM_PROTOCOL_SRCS)
+
+ecm_add_wayland_client_protocol(WAYLAND_IM_PROTOCOL_SRCS
+    PROTOCOL ${WAYLAND_PROTOCOLS_PKGDATADIR}/unstable/input-method/input-method-unstable-v1.xml
+    BASENAME input-method-unstable-v1)
+
+ecm_add_wayland_client_protocol(WAYLAND_IM_PROTOCOL_SRCS
+    PROTOCOL ${WAYLAND_PROTOCOLS_PKGDATADIR}/unstable/text-input/text-input-unstable-v1.xml
+    BASENAME text-input-unstable-v1)
+
+add_library(waylandim MODULE waylandim.cpp ${WAYLAND_IM_PROTOCOL_SRCS})
+target_include_directories(waylandim PRIVATE ${CMAKE_CURRENT_BINARY_DIR})
+target_link_libraries(waylandim Fcitx5::Core Wayland::Client XKBCommon::XKBCommon)
+set_target_properties(waylandim PROPERTIES PREFIX "")
+install(TARGETS waylandim DESTINATION "${FCITX_INSTALL_ADDONDIR}")
+install(FILES waylandim.conf DESTINATION "${FCITX_INSTALL_PKGDATADIR}/addon")
+

src/frontend/waylandim/waylandim.conf

@@ -0,0 +1,8 @@
+[Addon]
+Name=waylandim
+Type=SharedLibrary
+Library=waylandim
+Category=Frontend
+Dependencies/0=wayland
+Dependencies/Length=1
+