Use flatpak trash portal instad of g_file_trash

CMakeLists.txt

@@ -66,8 +66,6 @@ elseif(APPLE)
 else()
     set(tenmon_ICON "")
     find_package(Qt6 COMPONENTS DBus REQUIRED)
-    find_package(PkgConfig REQUIRED)
-    pkg_search_module(GIO REQUIRED gio-2.0)
 endif()
 
 qt_add_executable(tenmon WIN32 MACOSX_BUNDLE ${tenmon_ICON} ${TENMON_SRC})
@@ -80,15 +78,12 @@ if(COLOR_MANAGMENT)
     target_compile_definitions(tenmon PRIVATE "COLOR_MANAGMENT")
 endif(COLOR_MANAGMENT)
 
-if(UNIX AND NOT APPLE)
-    target_include_directories(tenmon PRIVATE ${GIO_INCLUDE_DIRS})
-endif()
 
 target_link_libraries(tenmon PRIVATE Qt6::Widgets Qt6::Sql Qt6::OpenGLWidgets Qt6::Qml ${GSL_LIB} ${GSLCBLAS_LIB} ${EXIF_LIB} ${FITS_LIB} ${RAW_LIB} ${WCS_LIB} XISF lcms2)
 if(APPLE)
     target_link_libraries(tenmon PRIVATE Qt6::DBus "-framework CoreFoundation")
 elseif(UNIX)
-    target_link_libraries(tenmon PRIVATE Qt6::DBus ${GIO_LDFLAGS})
+    target_link_libraries(tenmon PRIVATE Qt6::DBus)
 endif(APPLE)
 
 if(LIBRAW_STATIC)
@@ -96,6 +91,11 @@ if(LIBRAW_STATIC)
     target_link_libraries(tenmon PRIVATE jasper)
 endif()
 
+option(FLATPAK "Flatpak build" OFF)
+if(FLATPAK)
+    target_compile_definitions(tenmon PRIVATE FLATPAK)
+endif(FLATPAK)
+
 install(TARGETS tenmon BUNDLE DESTINATION .)
 if(UNIX AND NOT APPLE)
     include(GNUInstallDirs)