add qt impl

Zhao Yuhang

2023-12-15 dddf96c011723a12b11acc2980c10eb370961021

 examples/shared/widgetframe/windowbutton.cpp

@@ -6,11 +6,9 @@

namespace QWK {

    WindowButtonPrivate::WindowButtonPrivate() {
    }
    WindowButtonPrivate::WindowButtonPrivate() = default;

    WindowButtonPrivate::~WindowButtonPrivate() {
    }
    WindowButtonPrivate::~WindowButtonPrivate() = default;

    void WindowButtonPrivate::init() {
    }