新增: SFTP直连+网站预览+OSS区域嗅探+热键+BGM播放

internal/hotkey/hotkey.go

@@ -0,0 +1,41 @@
+package hotkey
+
+import (
+	"fmt"
+	"syscall"
+)
+
+var (
+	moduser32            = syscall.NewLazyDLL("user32.dll")
+	procRegisterHotKey   = moduser32.NewProc("RegisterHotKey")
+	procUnregisterHotKey = moduser32.NewProc("UnregisterHotKey")
+	procPostMessage      = moduser32.NewProc("PostMessageW")
+)
+
+const (
+	ModAlt     = 0x0001
+	ModControl = 0x0002
+	ModShift   = 0x0004
+	ModWin     = 0x0008
+
+	WM_HOTKEY      = 0x0312
+	WM_APP_HOTKEY  = 0x8001 // 自定义消息：在主线程触发热键注册
+)
+
+func Register(hwnd uintptr, id int32, modifiers uint32, vk uint32) error {
+	ret, _, _ := procRegisterHotKey.Call(hwnd, uintptr(id), uintptr(modifiers), uintptr(vk))
+	if ret == 0 {
+		return fmt.Errorf("RegisterHotKey failed for id=%d", id)
+	}
+	return nil
+}
+
+func Unregister(hwnd uintptr, id int32) bool {
+	ret, _, _ := procUnregisterHotKey.Call(hwnd, uintptr(id))
+	return ret != 0
+}
+
+// PostMessage 向窗口投递异步消息（用于跨线程调度到主线程）
+func PostMessage(hwnd uintptr, msg uint32, wParam, lParam uintptr) {
+	procPostMessage.Call(hwnd, uintptr(msg), wParam, lParam)
+}