Linux: Enable native notifications with Qt 6

docs/build-source-code.rst

@@ -54,7 +54,7 @@ On **Ubuntu** you can install all build dependencies with:
 
 Fedora / RHEL / Centos
 ^^^^^^^^^^^^^^^^^^^^^^
-On **Fedora** and derivatives you can install all build dependencies with:
+On **Fedora** and derivatives you can install all build dependencies with Qt 5:
 
 ::
 
@@ -76,6 +76,28 @@ On **Fedora** and derivatives you can install all build dependencies with:
       qt5-qtx11extras-devel \
       wayland-devel
 
+To build with Qt 6:
+
+::
+
+    sudo yum install \
+      cmake \
+      extra-cmake-modules \
+      gcc-c++ \
+      git \
+      kf6-knotifications-devel \
+      kf6-kstatusnotifieritem-devel \
+      libSM-devel \
+      libXfixes-devel \
+      libXtst-devel \
+      qt6-qtbase-devel \
+      qt6-qtbase-private-devel \
+      qt6-qtdeclarative-devel \
+      qt6-qtsvg-devel \
+      qt6-qttools-devel \
+      qt6-qtwayland-devel \
+      wayland-devel
+
 Build and Install
 -----------------
 

src/copyq.qrc

@@ -8,6 +8,5 @@
         <file alias="images/tab_remove">images/tab_remove.svg</file>
         <file alias="images/logo.png">images/icon_512x512.png</file>
         <file>images/fontawesome.ttf</file>
-        <file>knotifications5/copyq.notifyrc</file>
     </qresource>
 </RCC>

src/gui/notificationnative/notificationnative.cpp

@@ -172,29 +172,33 @@ void NotificationNative::show()
 
     if (m_notification) {
         update();
+#if KNOTIFICATIONS_VERSION < QT_VERSION_CHECK(5,110,0)
         if (m_notification)
             m_notification->update();
+#endif
         notificationLog("Updated");
         return;
     }
 
-    m_notification = new KNotification("generic");
+    m_notification = new KNotification(QStringLiteral("generic"));
     notificationLog("Create");
     m_notification->setComponentName(componentName);
 
+#if KNOTIFICATIONS_VERSION < QT_VERSION_CHECK(5,245,0)
     connect( m_notification.data(), static_cast<void (KNotification::*)(unsigned int)>(&KNotification::activated),
              this, &NotificationNative::onButtonClicked );
-    connect( m_notification.data(), &KNotification::closed,
-             this, &NotificationNative::onClosed );
-    connect( m_notification.data(), &KNotification::ignored,
-             this, &NotificationNative::onIgnored );
-#if KNOTIFICATIONS_VERSION < QT_VERSION_CHECK(5,67,0)
+#   if KNOTIFICATIONS_VERSION < QT_VERSION_CHECK(5,67,0)
     connect( m_notification.data(), static_cast<void (KNotification::*)()>(&KNotification::activated),
              this, &NotificationNative::onActivated );
-#else
+#   else
     connect( m_notification.data(), &KNotification::defaultActivated,
              this, &NotificationNative::onActivated );
+#   endif
 #endif
+    connect( m_notification.data(), &KNotification::closed,
+             this, &NotificationNative::onClosed );
+    connect( m_notification.data(), &KNotification::ignored,
+             this, &NotificationNative::onIgnored );
     connect( m_notification.data(), &QObject::destroyed,
              this, &NotificationNative::onDestroyed );
 
@@ -220,7 +224,7 @@ void NotificationNative::close()
 
 void NotificationNative::onButtonClicked(unsigned int id)
 {
-    notificationLog("onButtonClicked");
+    notificationLog(QByteArray("onButtonClicked ") + QByteArray::number(id));
 
     if ( id - 1 < static_cast<unsigned int>(m_buttons.size()) ) {
         emit buttonClicked(m_buttons[id - 1]);
@@ -288,10 +292,19 @@ void NotificationNative::update()
         m_notification->setPixmap(defaultIcon());
     }
 
+#if KNOTIFICATIONS_VERSION >= QT_VERSION_CHECK(5,245,0)
+    m_notification->clearActions();
+    for (int i = 0; i < m_buttons.size(); ++i) {
+        KNotificationAction* act = m_notification->addAction(m_buttons[i].name);
+        connect( act, &KNotificationAction::activated,
+                 this, [=](){ onButtonClicked(i + 1); } );
+    }
+#else
     QStringList actions;
     for (const auto &button : m_buttons)
         actions.append(button.name);
     m_notification->setActions(actions);
+#endif
 
     if (m_intervalMsec < 0) {
         m_timer.stop();

src/notifications.cmake

@@ -1,20 +1,31 @@
 OPTION(WITH_NATIVE_NOTIFICATIONS "Build with native notification support" ON)
 
-if (WITH_NATIVE_NOTIFICATIONS AND WITH_QT6)
-    message(WARNING "Native notifications are not supported with Qt 6")
-elseif (WITH_NATIVE_NOTIFICATIONS)
+if (WITH_NATIVE_NOTIFICATIONS)
     set(KF5_MIN_VERSION "5.18.0")
 
     find_package(ECM ${KF5_MIN_VERSION} REQUIRED NO_MODULE)
     list(APPEND CMAKE_MODULE_PATH ${ECM_MODULE_PATH})
 
-    find_package(KF5 ${KF5_MIN_VERSION} REQUIRED COMPONENTS Notifications)
-
-    list(APPEND copyq_LIBRARIES KF5::Notifications)
+    if (WITH_QT6)
+        set(KF6_MIN_VERSION "5.248.0")
+        find_package(KF6 ${KF6_MIN_VERSION} REQUIRED COMPONENTS Notifications StatusNotifierItem)
+        list(APPEND copyq_LIBRARIES KF6::Notifications KF6::StatusNotifierItem)
+    else()
+        find_package(KF5 ${KF5_MIN_VERSION} REQUIRED COMPONENTS Notifications)
+        list(APPEND copyq_LIBRARIES KF5::Notifications)
+    endif()
 
     list(APPEND copyq_SOURCES
         gui/notificationnative/notificationnative.cpp
         gui/notificationnative/notificationdaemonnative.cpp)
 
     list(APPEND copyq_DEFINITIONS WITH_NATIVE_NOTIFICATIONS)
+
+    include(KDEInstallDirs)
+    if (KDE_INSTALL_KNOTIFYRCDIR)
+        install(FILES knotifications5/copyq.notifyrc DESTINATION ${KDE_INSTALL_KNOTIFYRCDIR})
+    else()
+        install(FILES knotifications5/copyq.notifyrc DESTINATION ${KDE_INSTALL_KNOTIFY5RCDIR})
+    endif()
+
 endif()