Release v0.6.0: screenshot notifications with previews and responsive clipboard history

tests/screenshot_ui.cpp

@@ -4,6 +4,7 @@
 #include <iostream>
 int main()
 {
+    CoInitializeEx(nullptr,COINIT_APARTMENTTHREADED);
     try {
         INITCOMMONCONTROLSEX controls{sizeof(controls),ICC_STANDARD_CLASSES}; InitCommonControlsEx(&controls);
         ks::ScreenshotHost app{GetModuleHandleW(nullptr)};
@@ -162,7 +163,21 @@ int main()
         require(IsWindow(window),"Escape does not close the screenshot editor");
         SendMessageW(window,WM_CLOSE,0,0);
         require(!IsWindow(window),"copied screenshot closes without confirmation");
+        static bool published=false;
+        app.notify=[](const ks::Clip &) { return published; };
+        ks::Capture selection(app);
+        selection.image=std::make_unique<ks::Surface>(100,100);
+        PatBlt(selection.image->dc,0,0,100,100,WHITENESS);
+        selection.start={10,20}; selection.end={70,60};
+        auto overlay=CreateWindowW(cls.lpszClassName,L"Selection test",WS_POPUP,0,0,100,100,app.window,nullptr,app.instance,&selection);
+        ks::finishSelection(overlay,selection,[](HWND,const ks::Clip &clip)->DWORD {
+            auto pixels=ks::decodeImage(clip);
+            if(pixels.width!=60 || pixels.height!=40) throw std::runtime_error("automatic copy did not crop selection");
+            published=true; return 0;
+        });
+        require(published && selection.copied && !IsWindow(overlay),"selection copies before notification and closes without editor");
         DestroyWindow(app.window); app.window=nullptr;
+        CoUninitialize();
         std::cout<<"Passed screenshot editor UI integration checks\n";
     } catch(const std::exception &e) { std::cerr<<e.what()<<'\n'; return 1; }
 }