Add program to display actual Qt im module information

qt4/CMakeLists.txt

@@ -1,2 +1,6 @@
 add_subdirectory(dbusaddons)
 add_subdirectory(inputcontext)
+
+if(NOT BUILD_ONLY_PLUGIN)
+  add_subdirectory(immodule-probing)
+endif()

qt4/immodule-probing/CMakeLists.txt

@@ -0,0 +1,4 @@
+add_executable(fcitx5-qt4-immodule-probing main.cpp)
+target_link_libraries(fcitx5-qt4-immodule-probing Qt4::QtGui)
+
+install(TARGETS fcitx5-qt4-immodule-probing DESTINATION "${CMAKE_INSTALL_BINDIR}")

qt4/immodule-probing/main.cpp

@@ -0,0 +1,20 @@
+/*
+ * SPDX-FileCopyrightText: 2023~2023 CSSlayer <wengxt@gmail.com>
+ *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
+ */
+#include <QApplication>
+#include <QInputContext>
+#include <iostream>
+
+int main(int argc, char *argv[]) {
+    QApplication app(argc, argv);
+    auto *inputContext = app.inputContext();
+    std::cout << "QT_IM_MODULE=";
+    if (inputContext) {
+        std::cout << inputContext->identifierName().toUtf8().constData();
+    }
+    std::cout << std::endl;
+    return 0;
+}

qt5/CMakeLists.txt

@@ -5,4 +5,5 @@ if(NOT BUILD_ONLY_PLUGIN)
   add_subdirectory(guiwrapper)
   add_subdirectory(widgetsaddons)
   add_subdirectory(quickphrase-editor)
+  add_subdirectory(immodule-probing)
 endif()

qt5/immodule-probing/CMakeLists.txt

@@ -0,0 +1,3 @@
+add_executable(fcitx5-qt5-immodule-probing main.cpp)
+target_include_directories(fcitx5-qt5-immodule-probing PRIVATE ${Qt5Gui_PRIVATE_INCLUDE_DIRS})
+target_link_libraries(fcitx5-qt5-immodule-probing Qt5::Gui)

qt5/immodule-probing/main.cpp

@@ -0,0 +1,29 @@
+/*
+ * SPDX-FileCopyrightText: 2023~2023 CSSlayer <wengxt@gmail.com>
+ *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
+ */
+#include <QGuiApplication>
+#include <iostream>
+#include <private/qguiapplication_p.h>
+#include <qpa/qplatforminputcontext.h>
+#include <qpa/qplatforminputcontextfactory_p.h>
+#include <qpa/qplatformintegration.h>
+
+int main(int argc, char *argv[]) {
+    QGuiApplication app(argc, argv);
+    std::cout << "QT_QPA_PLATFORM=" << app.platformName().toStdString()
+              << std::endl;
+    std::cout << "QT_IM_MODULE="
+              << QPlatformInputContextFactory::requested().toStdString()
+              << std::endl;
+    auto inputContext =
+        QGuiApplicationPrivate::platformIntegration()->inputContext();
+    std::cout << "IM_MODULE_CLASSNAME=";
+    if (inputContext) {
+        std::cout << inputContext->metaObject()->className();
+    }
+    std::cout << std::endl;
+    return 0;
+}

qt5/platforminputcontext/CMakeLists.txt

@@ -1,5 +1,3 @@
-include_directories(${Qt5Gui_PRIVATE_INCLUDE_DIRS})
-
 set(FCITX5_QT_EXTRA_PLUGIN_NAME "")
 if (WITH_FCITX_PLUGIN_NAME)
     set(FCITX5_QT_EXTRA_PLUGIN_NAME "\"fcitx\",")
@@ -24,7 +22,7 @@ add_library(fcitx5platforminputcontextplugin ${PLUGIN_LIBRARY_TYPE} ${plugin_SRC
 set_target_properties(fcitx5platforminputcontextplugin PROPERTIES
                          AUTOMOC TRUE
                         )
-target_include_directories(fcitx5platforminputcontextplugin PRIVATE "${PROJECT_SOURCE_DIR}/common")
+target_include_directories(fcitx5platforminputcontextplugin PRIVATE ${Qt5Gui_PRIVATE_INCLUDE_DIRS} "${PROJECT_SOURCE_DIR}/common")
 if (BUILD_ONLY_PLUGIN AND BUILD_STATIC_PLUGIN)
 target_compile_definitions(fcitx5platforminputcontextplugin PRIVATE "-DQT_STATICPLUGIN")
 endif()

qt6/CMakeLists.txt

@@ -1,2 +1,6 @@
 add_subdirectory(dbusaddons)
 add_subdirectory(platforminputcontext)
+
+if(NOT BUILD_ONLY_PLUGIN)
+  add_subdirectory(immodule-probing)
+endif()

qt6/immodule-probing/CMakeLists.txt

@@ -0,0 +1,5 @@
+add_executable(fcitx5-qt6-immodule-probing main.cpp)
+target_include_directories(fcitx5-qt6-immodule-probing PRIVATE ${Qt6Gui_PRIVATE_INCLUDE_DIRS})
+target_link_libraries(fcitx5-qt6-immodule-probing Qt6::Gui)
+
+install(TARGETS fcitx5-qt6-immodule-probing DESTINATION "${CMAKE_INSTALL_BINDIR}")

qt6/immodule-probing/main.cpp

@@ -0,0 +1,29 @@
+/*
+ * SPDX-FileCopyrightText: 2023~2023 CSSlayer <wengxt@gmail.com>
+ *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
+ */
+#include <QGuiApplication>
+#include <iostream>
+#include <private/qguiapplication_p.h>
+#include <qpa/qplatforminputcontext.h>
+#include <qpa/qplatforminputcontextfactory_p.h>
+#include <qpa/qplatformintegration.h>
+
+int main(int argc, char *argv[]) {
+    QGuiApplication app(argc, argv);
+    std::cout << "QT_QPA_PLATFORM=" << app.platformName().toStdString()
+              << std::endl;
+    std::cout << "QT_IM_MODULE="
+              << QPlatformInputContextFactory::requested().toStdString()
+              << std::endl;
+    auto inputContext =
+        QGuiApplicationPrivate::platformIntegration()->inputContext();
+    std::cout << "IM_MODULE_CLASSNAME=";
+    if (inputContext) {
+        std::cout << inputContext->metaObject()->className();
+    }
+    std::cout << std::endl;
+    return 0;
+}