CalculatePopupWindowPosition

// USER32.dll
#include <windows.h>

BOOL CalculatePopupWindowPosition(
    const POINT* anchorPoint,
    const SIZE* windowSize,
    DWORD flags,
    RECT* excludeRect,   // optional
    RECT* popupWindowPosition
);

<DllImport("USER32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function CalculatePopupWindowPosition(
    anchorPoint As IntPtr,   ' POINT*
    windowSize As IntPtr,   ' SIZE*
    flags As UInteger,   ' DWORD
    excludeRect As IntPtr,   ' RECT* optional
    popupWindowPosition As IntPtr   ' RECT* out
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

' anchorPoint : POINT*
' windowSize : SIZE*
' flags : DWORD
' excludeRect : RECT* optional
' popupWindowPosition : RECT* out
Declare PtrSafe Function CalculatePopupWindowPosition Lib "user32" ( _
    ByVal anchorPoint As LongPtr, _
    ByVal windowSize As LongPtr, _
    ByVal flags As Long, _
    ByVal excludeRect As LongPtr, _
    ByVal popupWindowPosition As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

CalculatePopupWindowPosition = ctypes.windll.user32.CalculatePopupWindowPosition
CalculatePopupWindowPosition.restype = wintypes.BOOL
CalculatePopupWindowPosition.argtypes = [
    ctypes.c_void_p,  # anchorPoint : POINT*
    ctypes.c_void_p,  # windowSize : SIZE*
    wintypes.DWORD,  # flags : DWORD
    ctypes.c_void_p,  # excludeRect : RECT* optional
    ctypes.c_void_p,  # popupWindowPosition : RECT* out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('USER32.dll')
CalculatePopupWindowPosition = Fiddle::Function.new(
  lib['CalculatePopupWindowPosition'],
  [
    Fiddle::TYPE_VOIDP,  # anchorPoint : POINT*
    Fiddle::TYPE_VOIDP,  # windowSize : SIZE*
    -Fiddle::TYPE_INT,  # flags : DWORD
    Fiddle::TYPE_VOIDP,  # excludeRect : RECT* optional
    Fiddle::TYPE_VOIDP,  # popupWindowPosition : RECT* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "user32")]
extern "system" {
    fn CalculatePopupWindowPosition(
        anchorPoint: *const POINT,  // POINT*
        windowSize: *const SIZE,  // SIZE*
        flags: u32,  // DWORD
        excludeRect: *mut RECT,  // RECT* optional
        popupWindowPosition: *mut RECT  // RECT* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("USER32.dll", SetLastError = true)]
public static extern bool CalculatePopupWindowPosition(IntPtr anchorPoint, IntPtr windowSize, uint flags, IntPtr excludeRect, IntPtr popupWindowPosition);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USER32_CalculatePopupWindowPosition' -Namespace Win32 -PassThru
# $api::CalculatePopupWindowPosition(anchorPoint, windowSize, flags, excludeRect, popupWindowPosition)

#uselib "USER32.dll"
#func global CalculatePopupWindowPosition "CalculatePopupWindowPosition" sptr, sptr, sptr, sptr, sptr
; CalculatePopupWindowPosition varptr(anchorPoint), varptr(windowSize), flags, varptr(excludeRect), varptr(popupWindowPosition)   ; 戻り値は stat
; anchorPoint : POINT* -> "sptr"
; windowSize : SIZE* -> "sptr"
; flags : DWORD -> "sptr"
; excludeRect : RECT* optional -> "sptr"
; popupWindowPosition : RECT* out -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	user32 = windows.NewLazySystemDLL("USER32.dll")
	procCalculatePopupWindowPosition = user32.NewProc("CalculatePopupWindowPosition")
)

// anchorPoint (POINT*), windowSize (SIZE*), flags (DWORD), excludeRect (RECT* optional), popupWindowPosition (RECT* out)
r1, _, err := procCalculatePopupWindowPosition.Call(
	uintptr(anchorPoint),
	uintptr(windowSize),
	uintptr(flags),
	uintptr(excludeRect),
	uintptr(popupWindowPosition),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function CalculatePopupWindowPosition(
  anchorPoint: Pointer;   // POINT*
  windowSize: Pointer;   // SIZE*
  flags: DWORD;   // DWORD
  excludeRect: Pointer;   // RECT* optional
  popupWindowPosition: Pointer   // RECT* out
): BOOL; stdcall;
  external 'USER32.dll' name 'CalculatePopupWindowPosition';

result := DllCall("USER32\CalculatePopupWindowPosition"
    , "Ptr", anchorPoint   ; POINT*
    , "Ptr", windowSize   ; SIZE*
    , "UInt", flags   ; DWORD
    , "Ptr", excludeRect   ; RECT* optional
    , "Ptr", popupWindowPosition   ; RECT* out
    , "Int")   ; return: BOOL

●CalculatePopupWindowPosition(anchorPoint, windowSize, flags, excludeRect, popupWindowPosition) = DLL("USER32.dll", "bool CalculatePopupWindowPosition(void*, void*, dword, void*, void*)")
# 呼び出し: CalculatePopupWindowPosition(anchorPoint, windowSize, flags, excludeRect, popupWindowPosition)
# anchorPoint : POINT* -> "void*"
# windowSize : SIZE* -> "void*"
# flags : DWORD -> "dword"
# excludeRect : RECT* optional -> "void*"
# popupWindowPosition : RECT* out -> "void*"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。

const std = @import("std");

extern "user32" fn CalculatePopupWindowPosition(
    anchorPoint: [*c]POINT, // POINT*
    windowSize: [*c]SIZE, // SIZE*
    flags: u32, // DWORD
    excludeRect: [*c]RECT, // RECT* optional
    popupWindowPosition: [*c]RECT // RECT* out
) callconv(std.os.windows.WINAPI) i32;

proc CalculatePopupWindowPosition(
    anchorPoint: ptr POINT,  # POINT*
    windowSize: ptr SIZE,  # SIZE*
    flags: uint32,  # DWORD
    excludeRect: ptr RECT,  # RECT* optional
    popupWindowPosition: ptr RECT  # RECT* out
): int32 {.importc: "CalculatePopupWindowPosition", stdcall, dynlib: "USER32.dll".}

pragma(lib, "user32");
extern(Windows)
int CalculatePopupWindowPosition(
    POINT* anchorPoint,   // POINT*
    SIZE* windowSize,   // SIZE*
    uint flags,   // DWORD
    RECT* excludeRect,   // RECT* optional
    RECT* popupWindowPosition   // RECT* out
);

ccall((:CalculatePopupWindowPosition, "USER32.dll"), stdcall, Int32,
      (Ptr{POINT}, Ptr{SIZE}, UInt32, Ptr{RECT}, Ptr{RECT}),
      anchorPoint, windowSize, flags, excludeRect, popupWindowPosition)
# anchorPoint : POINT* -> Ptr{POINT}
# windowSize : SIZE* -> Ptr{SIZE}
# flags : DWORD -> UInt32
# excludeRect : RECT* optional -> Ptr{RECT}
# popupWindowPosition : RECT* out -> Ptr{RECT}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t CalculatePopupWindowPosition(
    void* anchorPoint,
    void* windowSize,
    uint32_t flags,
    void* excludeRect,
    void* popupWindowPosition);
]]
local user32 = ffi.load("user32")
-- user32.CalculatePopupWindowPosition(anchorPoint, windowSize, flags, excludeRect, popupWindowPosition)
-- anchorPoint : POINT*
-- windowSize : SIZE*
-- flags : DWORD
-- excludeRect : RECT* optional
-- popupWindowPosition : RECT* out
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。

const koffi = require('koffi');
const lib = koffi.load('USER32.dll');
const CalculatePopupWindowPosition = lib.func('__stdcall', 'CalculatePopupWindowPosition', 'int32_t', ['void *', 'void *', 'uint32_t', 'void *', 'void *']);
// CalculatePopupWindowPosition(anchorPoint, windowSize, flags, excludeRect, popupWindowPosition)
// anchorPoint : POINT* -> 'void *'
// windowSize : SIZE* -> 'void *'
// flags : DWORD -> 'uint32_t'
// excludeRect : RECT* optional -> 'void *'
// popupWindowPosition : RECT* out -> 'void *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。

const lib = Deno.dlopen("USER32.dll", {
  CalculatePopupWindowPosition: { parameters: ["pointer", "pointer", "u32", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.CalculatePopupWindowPosition(anchorPoint, windowSize, flags, excludeRect, popupWindowPosition)
// anchorPoint : POINT* -> "pointer"
// windowSize : SIZE* -> "pointer"
// flags : DWORD -> "u32"
// excludeRect : RECT* optional -> "pointer"
// popupWindowPosition : RECT* out -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
int32_t CalculatePopupWindowPosition(
    void* anchorPoint,
    void* windowSize,
    uint32_t flags,
    void* excludeRect,
    void* popupWindowPosition);
C, "USER32.dll");
// $ffi->CalculatePopupWindowPosition(anchorPoint, windowSize, flags, excludeRect, popupWindowPosition);
// anchorPoint : POINT*
// windowSize : SIZE*
// flags : DWORD
// excludeRect : RECT* optional
// popupWindowPosition : RECT* out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface User32 extends StdCallLibrary {
    User32 INSTANCE = Native.load("user32", User32.class);
    boolean CalculatePopupWindowPosition(
        Pointer anchorPoint,   // POINT*
        Pointer windowSize,   // SIZE*
        int flags,   // DWORD
        Pointer excludeRect,   // RECT* optional
        Pointer popupWindowPosition   // RECT* out
    );
}

@[Link("user32")]
lib LibUSER32
  fun CalculatePopupWindowPosition = CalculatePopupWindowPosition(
    anchorPoint : POINT*,   # POINT*
    windowSize : SIZE*,   # SIZE*
    flags : UInt32,   # DWORD
    excludeRect : RECT*,   # RECT* optional
    popupWindowPosition : RECT*   # RECT* out
  ) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef CalculatePopupWindowPositionNative = Int32 Function(Pointer<Void>, Pointer<Void>, Uint32, Pointer<Void>, Pointer<Void>);
typedef CalculatePopupWindowPositionDart = int Function(Pointer<Void>, Pointer<Void>, int, Pointer<Void>, Pointer<Void>);
final CalculatePopupWindowPosition = DynamicLibrary.open('USER32.dll')
    .lookupFunction<CalculatePopupWindowPositionNative, CalculatePopupWindowPositionDart>('CalculatePopupWindowPosition');
// anchorPoint : POINT* -> Pointer<Void>
// windowSize : SIZE* -> Pointer<Void>
// flags : DWORD -> Uint32
// excludeRect : RECT* optional -> Pointer<Void>
// popupWindowPosition : RECT* out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function CalculatePopupWindowPosition(
  anchorPoint: Pointer;   // POINT*
  windowSize: Pointer;   // SIZE*
  flags: DWORD;   // DWORD
  excludeRect: Pointer;   // RECT* optional
  popupWindowPosition: Pointer   // RECT* out
): BOOL; stdcall;
  external 'USER32.dll' name 'CalculatePopupWindowPosition';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "CalculatePopupWindowPosition"
  c_CalculatePopupWindowPosition :: Ptr () -> Ptr () -> Word32 -> Ptr () -> Ptr () -> IO CInt
-- anchorPoint : POINT* -> Ptr ()
-- windowSize : SIZE* -> Ptr ()
-- flags : DWORD -> Word32
-- excludeRect : RECT* optional -> Ptr ()
-- popupWindowPosition : RECT* out -> Ptr ()
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。

open Ctypes
open Foreign

let calculatepopupwindowposition =
  foreign "CalculatePopupWindowPosition"
    ((ptr void) @-> (ptr void) @-> uint32_t @-> (ptr void) @-> (ptr void) @-> returning int32_t)
(* anchorPoint : POINT* -> (ptr void) *)
(* windowSize : SIZE* -> (ptr void) *)
(* flags : DWORD -> uint32_t *)
(* excludeRect : RECT* optional -> (ptr void) *)
(* popupWindowPosition : RECT* out -> (ptr void) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library user32 (t "USER32.dll"))
(cffi:use-foreign-library user32)

(cffi:defcfun ("CalculatePopupWindowPosition" calculate-popup-window-position :convention :stdcall) :int32
  (anchor-point :pointer)   ; POINT*
  (window-size :pointer)   ; SIZE*
  (flags :uint32)   ; DWORD
  (exclude-rect :pointer)   ; RECT* optional
  (popup-window-position :pointer))   ; RECT* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $CalculatePopupWindowPosition = Win32::API::More->new('USER32',
    'BOOL CalculatePopupWindowPosition(LPVOID anchorPoint, LPVOID windowSize, DWORD flags, LPVOID excludeRect, LPVOID popupWindowPosition)');
# my $ret = $CalculatePopupWindowPosition->Call($anchorPoint, $windowSize, $flags, $excludeRect, $popupWindowPosition);
# anchorPoint : POINT* -> LPVOID
# windowSize : SIZE* -> LPVOID
# flags : DWORD -> DWORD
# excludeRect : RECT* optional -> LPVOID
# popupWindowPosition : RECT* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。