Preview task-group selections until Meta is released

plasma-task-group-shortcuts/CMakeLists.txt

@@ -14,17 +14,31 @@ list(APPEND CMAKE_MODULE_PATH ${ECM_MODULE_PATH})
 include(GNUInstallDirs)
 include(CTest)
 
-find_package(Qt6 REQUIRED COMPONENTS DBus Gui WaylandClient)
+find_package(Qt6 REQUIRED COMPONENTS DBus Gui Quick WaylandClient)
 find_package(KF6 REQUIRED COMPONENTS Config GlobalAccel Service)
 find_package(LibTaskManager REQUIRED)
+find_package(Plasma REQUIRED)
 find_package(PlasmaWaylandProtocols REQUIRED)
 find_package(XKB REQUIRED)
 
+# KWin caches both QML components and directory listings for its whole session.
+# Changed helper code needs a new directory, not just a new filename.
+file(SHA256 "${CMAKE_CURRENT_SOURCE_DIR}/TaskbarGeometry.qml" geometry_hash)
+set(geometry_dir "plasma-task-group-shortcuts/${geometry_hash}")
+configure_file(TaskbarGeometry.qml "qml/${geometry_hash}/TaskbarGeometry.qml" COPYONLY)
+
 add_executable(plasma-task-group-shortcuts
     keyboardlayout.cpp
     main.cpp
+    pendingselection.cpp
+    previewplacement.cpp
+    taskbargeometry.cpp
     taskselection.cpp
+    windowpreview.cpp
 )
+target_compile_definitions(plasma-task-group-shortcuts PRIVATE
+    GEOMETRY_SCRIPT_PATH="${CMAKE_INSTALL_FULL_DATADIR}/${geometry_dir}/TaskbarGeometry.qml")
+qt_add_resources(plasma-task-group-shortcuts preview PREFIX "/" FILES Preview.qml)
 qt6_generate_wayland_protocol_client_sources(plasma-task-group-shortcuts
     PRIVATE_CODE
     FILES ${PLASMA_WAYLAND_PROTOCOLS_DIR}/keystate.xml
@@ -32,15 +46,18 @@ qt6_generate_wayland_protocol_client_sources(plasma-task-group-shortcuts
 target_link_libraries(plasma-task-group-shortcuts PRIVATE
     Qt6::Gui
     Qt6::DBus
+    Qt6::Quick
     Qt6::WaylandClient
     KF6::ConfigCore
     KF6::GlobalAccel
     KF6::Service
     PW::LibTaskManager
+    Plasma::Plasma
     XKB::XKB
 )
 
 install(TARGETS plasma-task-group-shortcuts DESTINATION ${CMAKE_INSTALL_BINDIR})
+install(FILES TaskbarGeometry.qml DESTINATION "${CMAKE_INSTALL_DATADIR}/${geometry_dir}")
 install(FILES se.ajpanton.plasma-task-group-shortcuts.desktop
     DESTINATION ${CMAKE_INSTALL_DATADIR}/applications)
 install(FILES se.ajpanton.plasma-task-group-shortcuts-autostart.desktop
@@ -71,4 +88,14 @@ if(BUILD_TESTING)
         XKB::XKB
     )
     add_test(NAME keyboardlayout COMMAND test-keyboardlayout)
+
+    add_executable(test-pendingselection tests/test-pendingselection.cpp pendingselection.cpp)
+    target_link_libraries(test-pendingselection PRIVATE Qt6::Test Qt6::Gui)
+    add_test(NAME pendingselection COMMAND test-pendingselection)
+
+    add_executable(test-preview tests/test-preview.cpp taskbargeometry.cpp previewplacement.cpp)
+    target_compile_definitions(test-preview PRIVATE GEOMETRY_SCRIPT_PATH="${CMAKE_CURRENT_BINARY_DIR}/qml/${geometry_hash}/TaskbarGeometry.qml")
+    qt_add_resources(test-preview preview PREFIX "/" FILES Preview.qml)
+    target_link_libraries(test-preview PRIVATE Qt6::Test Qt6::Quick Qt6::DBus Plasma::Plasma PW::LibTaskManager KF6::Service)
+    add_test(NAME preview COMMAND test-preview -platform offscreen)
 endif()