cmake: build the ibus plugin

Change-Id: Ib2846204cc89b538ffe3b2282f7890f3de6ef33d
Reviewed-by: Liang Qi <liang.qi@qt.io>

src/plugins/CMakeLists.txt

@@ -2,6 +2,7 @@ if(QT_FEATURE_gui)
     add_subdirectory(imageformats)
     add_subdirectory(platforms)
     add_subdirectory(platformthemes)
+    add_subdirectory(platforminputcontexts)
 
     if (NOT ANDROID AND QT_FEATURE_library)
         add_subdirectory(generic)

src/plugins/platforminputcontexts/CMakeLists.txt

@@ -0,0 +1,10 @@
+
+if(QT_FEATURE_dbus AND (NOT APPLE_OSX) AND (NOT WIN32))
+    add_subdirectory(ibus)
+endif()
+
+if(QT_FEATURE_xcb)
+#     TODO add_subdirectory(compose)
+endif()
+
+

src/plugins/platforminputcontexts/ibus/CMakeLists.txt

@@ -0,0 +1,23 @@
+# Generated from ibus.pro.
+
+#####################################################################
+## ibusplatforminputcontextplugin Plugin:
+#####################################################################
+
+add_qt_plugin(ibusplatforminputcontextplugin
+    TYPE platforminputcontexts
+    SOURCES
+        main.cpp
+        qibusinputcontextproxy.cpp qibusinputcontextproxy.h
+        qibusplatforminputcontext.cpp qibusplatforminputcontext.h
+        qibusproxy.cpp qibusproxy.h
+        qibusproxyportal.cpp qibusproxyportal.h
+        qibustypes.cpp qibustypes.h
+    LIBRARIES
+        Qt::DBus
+        Qt::GuiPrivate
+    # OTHER_FILES = "$$PWD/ibus.json"
+    # PLUGIN_CLASS_NAME = "QIbusPlatformInputContextPlugin"
+    # PLUGIN_EXTENDS = "-"
+    # _LOADED = "qt_plugin"
+)