[client] UI refactor (#6069)

Refactor UI

---------

Co-authored-by: Eduard Gert <kontakt@eduardgert.de>
Co-authored-by: braginini <bangvalo@gmail.com>
Co-authored-by: Pascal Fischer <32096965+pascal-fischer@users.noreply.github.com>
Co-authored-by: Claude <noreply@anthropic.com>
Co-authored-by: riccardom <riccardomanfrin@gmail.com>

client/ui/services/foreground_windows.go

@@ -0,0 +1,43 @@
+//go:build windows
+
+package services
+
+import (
+	"syscall"
+
+	"github.com/wailsapp/wails/v3/pkg/application"
+	"github.com/wailsapp/wails/v3/pkg/w32"
+)
+
+var procAttachThreadInput = syscall.NewLazyDLL("user32.dll").NewProc("AttachThreadInput")
+
+func attachThreadInput(attach, attachTo w32.HANDLE, on bool) {
+	var flag uintptr
+	if on {
+		flag = 1
+	}
+	_, _, _ = procAttachThreadInput.Call(uintptr(attach), uintptr(attachTo), flag)
+}
+
+func raiseToForeground(w *application.WebviewWindow) {
+	if w == nil {
+		return
+	}
+	application.InvokeSync(func() {
+		ptr := w.NativeWindow()
+		if ptr == nil {
+			return
+		}
+		hwnd := w32.HWND(uintptr(ptr))
+
+		fgThread, _ := w32.GetWindowThreadProcessId(w32.GetForegroundWindow())
+		appThread := w32.GetCurrentThreadId()
+		if fgThread != appThread {
+			attachThreadInput(fgThread, appThread, true)
+			defer attachThreadInput(fgThread, appThread, false)
+		}
+		w32.ShowWindow(hwnd, w32.SW_SHOW)
+		w32.BringWindowToTop(hwnd)
+		w32.SetForegroundWindow(hwnd)
+	})
+}