Make better code structure for border handlers

Sine Striker

2023-12-13 a51b5688e1c33d3ce96b48c869603b00f908f513

 src/core/CMakeLists.txt

@@ -12,12 +12,12 @@
    windowagentbase.cpp
    windowitemdelegate_p.h
    windowitemdelegate.cpp
    kernel/nativeeventfilter.h
    kernel/eventobserver_p.h
    kernel/eventobserver.cpp
    kernel/nativeeventfilter_p.h
    kernel/nativeeventfilter.cpp
    contexts/abstractwindowcontext_p.h
    contexts/abstractwindowcontext.cpp
    platforms/win10borderhandler_p.h
    platforms/win10borderhandler.cpp
)

if(WIN32)
@@ -26,7 +26,6 @@
        qwindowkit_windows.cpp
        contexts/win32windowcontext_p.h
        contexts/win32windowcontext.cpp
        platforms
    )
else()
    list(APPEND _src