Allow a build with Qt 6

CMakeLists.txt

@@ -21,24 +21,23 @@ endif()
 # we need qpa/qplatformnativeinterface.h for global shortcut
 
 # Minimum Versions
-set(LXQTBT_MINIMUM_VERSION "0.13.0")
-set(QTERMWIDGET_MINIMUM_VERSION "1.4.0")
-set(QT_MINIMUM_VERSION "5.15.0")
-
-find_package(Qt5Gui ${QT_MINIMUM_VERSION} REQUIRED)
-find_package(Qt5LinguistTools ${QT_MINIMUM_VERSION} REQUIRED)
-find_package(Qt5Widgets ${QT_MINIMUM_VERSION} REQUIRED)
+set(LXQTBT_MINIMUM_VERSION "2.0.0")
+set(QT_MINIMUM_VERSION "6.3.0")
+set(QT_MAJOR_VERSION "6")
+
+find_package(Qt6Core ${QT_MINIMUM_VERSION} REQUIRED)
+find_package(Qt6Gui ${QT_MINIMUM_VERSION} REQUIRED)
+find_package(Qt6LinguistTools ${QT_MINIMUM_VERSION} REQUIRED)
+find_package(Qt6Widgets ${QT_MINIMUM_VERSION} REQUIRED)
 if(UNIX)
-    find_package(Qt5DBus ${QT_MINIMUM_VERSION} REQUIRED)
-    if (NOT APPLE)
-        find_package(Qt5X11Extras ${QT_MINIMUM_VERSION} REQUIRED)
-    endif (NOT APPLE)
+    find_package(Qt6DBus ${QT_MINIMUM_VERSION} REQUIRED)
+    find_package(Qt6 COMPONENTS Core Core5Compat REQUIRED)
 endif()
-find_package(QTermWidget5 ${QTERMWIDGET_MINIMUM_VERSION} REQUIRED)
-find_package(lxqt-build-tools ${LXQTBT_MINIMUM_VERSION} REQUIRED)
+find_package(QTermWidget6 ${QTERMWIDGET_MINIMUM_VERSION} REQUIRED)
+find_package(lxqt2-build-tools ${LXQTBT_MINIMUM_VERSION} REQUIRED)
 
 if (BUILD_TESTS)
-    find_package(Qt5 ${QT_MINIMUM_VERSION} CONFIG REQUIRED Test)
+    find_package(Qt6 ${QT_MINIMUM_VERSION} CONFIG REQUIRED Test)
 endif()
 
 include(LXQtPreventInSourceBuilds)
@@ -47,13 +46,17 @@ pkg_check_modules(LIBCANBERRA libcanberra)
 include(LXQtTranslateTs)
 include(LXQtTranslateDesktop)
 include(LXQtCompilerSettings NO_POLICY_SCOPE)
-message(STATUS "Qt version: ${Qt5Core_VERSION}")
+message(STATUS "Qt version: ${Qt6Core_VERSION}")
 
 # TODO remove Qxt
 message(STATUS "Using bundled Qxt...")
 set(QXT_INCLUDE_DIRS "${CMAKE_CURRENT_SOURCE_DIR}/src/third-party")
 
 
+find_path(QTERMWIDGET6_INCLUDE_DIR NAMES qtermwidget6/qtermwidget.h)
+add_definitions(-DUSE_QTERMWIDGET6)
+include_directories(${QTERMWIDGET6_INCLUDE_DIR})
+
 if(APPLE)
    find_library(CARBON_LIBRARY Carbon REQUIRED)
    message(STATUS "CARBON_LIBRARY: ${CARBON_LIBRARY}")
@@ -98,14 +101,15 @@ set(QTERM_MOC_SRC
     src/tab-switcher.h
 )
 
-if (Qt5DBus_FOUND)
+if (Qt6DBus_FOUND)
     add_definitions(-DHAVE_QDBUS)
-    QT5_ADD_DBUS_ADAPTOR(QTERM_SRC src/org.lxqt.QTerminal.Window.xml mainwindow.h MainWindow)
-    QT5_ADD_DBUS_ADAPTOR(QTERM_SRC src/org.lxqt.QTerminal.Tab.xml termwidgetholder.h TermWidgetHolder)
-    QT5_ADD_DBUS_ADAPTOR(QTERM_SRC src/org.lxqt.QTerminal.Terminal.xml termwidget.h TermWidget)
-    QT5_ADD_DBUS_ADAPTOR(QTERM_SRC src/org.lxqt.QTerminal.Process.xml qterminalapp.h QTerminalApp)
+    QT6_ADD_DBUS_ADAPTOR(QTERM_SRC src/org.lxqt.QTerminal.Window.xml mainwindow.h MainWindow)
+    QT6_ADD_DBUS_ADAPTOR(QTERM_SRC src/org.lxqt.QTerminal.Tab.xml termwidgetholder.h TermWidgetHolder)
+    QT6_ADD_DBUS_ADAPTOR(QTERM_SRC src/org.lxqt.QTerminal.Terminal.xml termwidget.h TermWidget)
+    QT6_ADD_DBUS_ADAPTOR(QTERM_SRC src/org.lxqt.QTerminal.Process.xml qterminalapp.h QTerminalApp)
+
     set(QTERM_MOC_SRC ${QTERM_MOC_SRC} src/dbusaddressable.h)
-    message(STATUS "Building with Qt5DBus support")
+    message(STATUS "Building with Qt6DBus support")
 endif()
 
 if(NOT QXT_FOUND)
@@ -132,9 +136,10 @@ set(QTERM_RCC_SRC
     src/icons.qrc
 )
 
-qt5_wrap_ui( QTERM_UI ${QTERM_UI_SRC} )
-qt5_wrap_cpp( QTERM_MOC ${QTERM_MOC_SRC} )
-qt5_add_resources( QTERM_RCC ${QTERM_RCC_SRC} )
+qt6_wrap_ui( QTERM_UI ${QTERM_UI_SRC} )
+qt6_wrap_cpp( QTERM_MOC ${QTERM_MOC_SRC} )
+qt6_add_resources( QTERM_RCC ${QTERM_RCC_SRC} )
+
 lxqt_translate_ts(QTERM_QM
     UPDATE_TRANSLATIONS
         ${UPDATE_TRANSLATIONS}
@@ -202,22 +207,22 @@ add_executable(${EXE_NAME} ${GUI_TYPE}
 )
 
 target_link_libraries(${EXE_NAME}
-    Qt5::Gui
-    qtermwidget5
+    Qt6::Core
+    Qt6::Gui
+    Qt6::Widgets
+    qtermwidget6
     util
 )
 if(QXT_FOUND)
     target_link_libraries(${EXE_NAME} ${QXT_CORE_LIB} ${QXT_GUI_LIB})
 endif()
 
-if (Qt5DBus_FOUND)
-    target_link_libraries(${EXE_NAME} ${Qt5DBus_LIBRARIES})
+if (Qt6DBus_FOUND)
+    target_link_libraries(${EXE_NAME} ${Qt6DBus_LIBRARIES})
 endif()
 
 if(APPLE)
     target_link_libraries(${EXE_NAME} ${CARBON_LIBRARY})
-elseif(UNIX)
-    target_link_libraries(${EXE_NAME} Qt5::X11Extras)
 endif()
 
 if(X11_FOUND)

src/dbusaddressable.cpp

@@ -20,6 +20,6 @@ DBusAddressable::DBusAddressable(const QString& prefix)
 {
     #ifdef HAVE_QDBUS
     QString uuidString = QUuid::createUuid().toString();
-    m_path = prefix + QLatin1Char('/') + uuidString.replace(QRegExp(QStringLiteral("[\\{\\}\\-]")), QString());
+    m_path = prefix + QLatin1Char('/') + uuidString.replace(QRegularExpression(QStringLiteral("[\\{\\}\\-]")), QString());
     #endif
 }

src/dbusaddressable.h

@@ -1,6 +1,7 @@
 #ifndef DBUSADDRESSABLE_H
 #define DBUSADDRESSABLE_H
 
+#include <QRegularExpression>
 #include <QString>
 #ifdef HAVE_QDBUS
 #include <QtDBus/QtDBus>
@@ -31,4 +32,4 @@ template <class AClass, class WClass> void registerAdapter(WClass *obj)
 #endif
 
 
-#endif
+#endif

src/main.cpp

@@ -168,15 +168,14 @@ int main(int argc, char *argv[])
 
     // icons
     /* setup our custom icon theme if there is no system theme (OS X, Windows) */
-    QCoreApplication::instance()->setAttribute(Qt::AA_UseHighDpiPixmaps); //Fix for High-DPI systems
     if (QIcon::themeName().isEmpty())
         QIcon::setThemeName(QStringLiteral("QTerminal"));
 
     // translations
 
     // install the translations built-into Qt itself
     QTranslator qtTranslator;
-    qtTranslator.load(QStringLiteral("qt_") + QLocale::system().name(), QLibraryInfo::location(QLibraryInfo::TranslationsPath));
+    qtTranslator.load(QStringLiteral("qt_") + QLocale::system().name(), QLibraryInfo::path(QLibraryInfo::TranslationsPath));
     app->installTranslator(&qtTranslator);
 
     QTranslator translator;

src/mainwindow.cpp

@@ -24,6 +24,7 @@
 #include <QTimer>
 #include <functional>
 #include <QGuiApplication>
+#include <QActionGroup>
 
 #ifdef HAVE_QDBUS
 #include <QtDBus/QtDBus>

src/tabwidget.cpp

@@ -21,6 +21,7 @@
 #include <QColorDialog>
 #include <QMouseEvent>
 #include <QMenu>
+#include <QActionGroup>
 
 #include "mainwindow.h"
 #include "termwidgetholder.h"

src/terminalconfig.cpp

@@ -80,14 +80,14 @@ TerminalConfig TerminalConfig::fromDbus(const QHash<QString,QVariant> &termArgsC
 
 static QString variantToString(const QVariant& variant, QString &defaultVal)
 {
-    if (variant.type() == QVariant::String)
+    if (variant.typeId() == QMetaType::type("QString"))
         return qvariant_cast<QString>(variant);
     return defaultVal;
 }
 
 static QStringList variantToStringList(const QVariant& variant, QStringList &defaultVal)
 {
-    if (variant.type() == QVariant::StringList)
+    if (variant.typeId() == QMetaType::type("QStringList"))
         return qvariant_cast<QStringList>(variant);
     return defaultVal;
 }

src/termwidget.h

@@ -19,7 +19,12 @@
 #ifndef TERMWIDGET_H
 #define TERMWIDGET_H
 
-#include <qtermwidget.h>
+#ifdef USE_QTERMWIDGET5
+    #include <qtermwidget5/qtermwidget.h>
+#elif defined(USE_QTERMWIDGET6)
+    #include <qtermwidget6/qtermwidget.h>
+#endif
+
 #include "terminalconfig.h"
 
 #include <QAction>

src/third-party/qxtglobalshortcut_p.h

@@ -58,7 +58,7 @@ class QxtGlobalShortcutPrivate : public QxtPrivate<QxtGlobalShortcut>
     static bool error;
 #ifndef Q_OS_MAC
     static int ref;
-    bool nativeEventFilter(const QByteArray & eventType, void * message, long * result) override;
+    bool nativeEventFilter(const QByteArray &eventType, void *message, qintptr *result);
 #endif
 
     static void activateShortcut(quint32 nativeKey, quint32 nativeMods);

src/third-party/qxtglobalshortcut_x11.cpp

@@ -38,7 +38,6 @@
 
 #include <QGuiApplication>
 #include <QVector>
-#include <QtX11Extras/QX11Info>
 
 #include <xcb/xcb.h>
 #include <X11/Xlib.h>
@@ -95,7 +94,8 @@ class QxtX11Data {
 public:
     QxtX11Data()
     {
-        m_display = QX11Info::display();
+        auto *x11Application = qGuiApp->nativeInterface<QNativeInterface::QX11Application>();
+        m_display = x11Application ? x11Application->display() : nullptr;
     }
 
     bool isValid()
@@ -149,7 +149,7 @@ class QxtX11Data {
 } // namespace
 
 bool QxtGlobalShortcutPrivate::nativeEventFilter(const QByteArray & eventType,
-    void *message, long *result)
+    void *message, qintptr *result)
 {
     Q_UNUSED(result);
 

test/CMakeLists.txt

@@ -1,7 +1,24 @@
-qt5_wrap_cpp(QTERM_TEST_MOC qterminal_test.h)
+# Check if QT_MAJOR_VERSION was not defined
+if(NOT DEFINED QT_MAJOR_VERSION)
+    message(FATAL_ERROR "QT_MAJOR_VERSION not set.")
+endif()
+
+# Use appropriate wrap_cpp command based on QT_MAJOR_VERSION
+if("${QT_MAJOR_VERSION}" STREQUAL "5")
+    qt5_wrap_cpp(QTERM_TEST_MOC qterminal_test.h)
+    set(QT_TEST_LIB Qt5::Test)
+elseif("${QT_MAJOR_VERSION}" STREQUAL "6")
+    qt6_wrap_cpp(QTERM_TEST_MOC qterminal_test.h)
+    set(QT_TEST_LIB Qt6::Test)
+else()
+    message(FATAL_ERROR "Unsupported QT_MAJOR_VERSION: ${QT_MAJOR_VERSION}")
+endif()
+
 add_executable(qterminal_test
     qterminal_test.cpp
     ${CMAKE_SOURCE_DIR}/src/qterminalutils.cpp
     ${QTERM_TEST_MOC})
-target_link_libraries(qterminal_test Qt5::Test)
+
+target_link_libraries(qterminal_test ${QT_TEST_LIB})
+
 add_test(NAME qterminal_test COMMAND qterminal_test)