resolve #17 and #25

constants.go

@@ -3105,3 +3105,24 @@ const (
 	MF_STRING       = 0x00000000
 	MF_UNCHECKED    = 0x00000000
 )
+
+// for track menu
+const (
+	TPM_CENTERALIGN     = 0x0004
+	TPM_LEFTALIGN       = 0x0000
+	TPM_RIGHTALIGN      = 0x0008
+	TPM_BOTTOMALIGN     = 0x0020
+	TPM_TOPALIGN        = 0x0000
+	TPM_VCENTERALIGN    = 0x0010
+	TPM_NONOTIFY        = 0x0080
+	TPM_RETURNCMD       = 0x0100
+	TPM_LEFTBUTTON      = 0x0000
+	TPM_RIGHTBUTTON     = 0x0002
+	TPM_HORNEGANIMATION = 0x0800
+	TPM_HORPOSANIMATION = 0x0400
+	TPM_NOANIMATION     = 0x4000
+	TPM_VERNEGANIMATION = 0x2000
+	TPM_VERPOSANIMATION = 0x1000
+	TPM_HORIZONTAL      = 0x0000
+	TPM_VERTICAL        = 0x0040
+)

typedef.go

@@ -1366,3 +1366,8 @@ type PNOTIFYICONDATA struct {
 	GuidItem        GUID
 	BalloonIcon     HICON
 }
+
+type TPMPARAMS struct {
+	cbSize    uint
+	rcExclude RECT
+}

user32.go

@@ -148,6 +148,8 @@ var (
 	procDeleteMenu                    = moduser32.NewProc("DeleteMenu")
 	procAppendMenuW                   = moduser32.NewProc("AppendMenuW")
 	procDrawMenuBar                   = moduser32.NewProc("DrawMenuBar")
+	procTrackPopupMenuEx              = moduser32.NewProc("TrackPopupMenuEx")
+	procTrackPopupMenu                = moduser32.NewProc("TrackPopupMenu")
 )
 
 func SendMessageTimeout(hwnd HWND, msg uint32, wParam, lParam uintptr, fuFlags, uTimeout uint32, lpdwResult uintptr) uintptr {
@@ -1342,3 +1344,42 @@ func DrawMenuBar(hWnd HWND) (bool, error) {
 	}
 	return ret != 0, nil
 }
+
+// TrackPopupMenu Displays a shortcut menu at the specified location and tracks the selection of items on the menu.
+// The shortcut menu can appear anywhere on the screen.
+//
+// TPM_RETURNCMD is not supported, dont use this flag
+// See https://docs.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-trackpopupmenu
+func TrackPopupMenu(hMenu HMENU, uFlags uint32, x int, y int, nReserved int, hWnd HWND, prcRect *RECT) (bool, error) {
+	ret, _, err := procTrackPopupMenu.Call(
+		uintptr(hMenu),
+		uintptr(uFlags),
+		uintptr(x),
+		uintptr(y),
+		uintptr(nReserved),
+		uintptr(hWnd),
+		uintptr(unsafe.Pointer(prcRect)),
+	)
+	if !IsErrSuccess(err) {
+		return false, err
+	}
+	return ret != 0, nil
+}
+
+// TrackPopupMenuEx Displays a shortcut menu at the specified location and tracks the selection of items on the
+// shortcut menu. The shortcut menu can appear anywhere on the screen.
+// See https://docs.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-trackpopupmenuex
+func TrackPopupMenuEx(hMenu HMENU, uFlags uint32, x int, y int, hWnd HWND, lptpm *TPMPARAMS) (bool, error) {
+	ret, _, err := procTrackPopupMenuEx.Call(
+		uintptr(hMenu),
+		uintptr(uFlags),
+		uintptr(x),
+		uintptr(y),
+		uintptr(hWnd),
+		uintptr(unsafe.Pointer(lptpm)),
+	)
+	if !IsErrSuccess(err) {
+		return false, err
+	}
+	return ret != 0, nil
+}