ポップアップ

ショートカットメニュー

BOOL TrackPopupMenu(
	HMENU hMenu ,
	UINT uFlags ,
	int x ,  int y ,
	int nReserved,
	HWND hWnd, 
	CONST RECT *prcRect
);

//リソーススクリプト
KITTY MENU {
	POPUP "PopupMenu1" {
		MENUITEM "Card Captor Sakura" , 40001
		POPUP "LOVE HINA" {
			MENUITEM "成瀬川なる" , 40002
			MENUITEM "前原しのぶ" , 40003
			MENUITEM "浦島カナコ（偽妹）" , 40004
		}
	}
	POPUP "PopupMenu2" {
		MENUITEM "Kitty on your lap" , 40005
		MENUITEM SEPARATOR
		MENUITEM "Di Gi Charat" , 40006
		MENUITEM "Magical nyan nyan TARUTO"
	}
}

#include <windows.h>

LRESULT CALLBACK WndProc(HWND hwnd , UINT msg , WPARAM wp , LPARAM lp) {
	POINT po;
	static HMENU tmp , hmenuR , hmenuL;

	switch (msg) {
	case WM_DESTROY:
		PostQuitMessage(0);
		return 0;
	case WM_CREATE:
		tmp = LoadMenu(((LPCREATESTRUCT)(lp))->hInstance , TEXT("KITTY"));
		hmenuR = GetSubMenu(tmp , 0);
		hmenuL = GetSubMenu(tmp , 1);
		return 0;
	case WM_RBUTTONUP:
		po.x = LOWORD(lp);
		po.y = HIWORD(lp);
		ClientToScreen(hwnd , &po);
		TrackPopupMenu(hmenuR , TPM_LEFTALIGN | TPM_BOTTOMALIGN ,
			po.x , po.y , 0 , hwnd , NULL
		);
		return 0;
	case WM_LBUTTONUP:
		po.x = LOWORD(lp);
		po.y = HIWORD(lp);
		ClientToScreen(hwnd , &po);
		TrackPopupMenu(hmenuL , TPM_LEFTALIGN | TPM_BOTTOMALIGN ,
			po.x , po.y , 0 , hwnd , NULL
		);
		return 0;
	}
	return DefWindowProc(hwnd , msg , wp , lp);
}

int WINAPI WinMain(HINSTANCE hInstance , HINSTANCE hPrevInstance ,
			PSTR lpCmdLine , int nCmdShow ) {
	HWND hwnd;
	MSG msg;
	WNDCLASS winc;

	winc.style		= CS_HREDRAW | CS_VREDRAW;
	winc.lpfnWndProc	= WndProc;
	winc.cbClsExtra	= winc.cbWndExtra	= 0;
	winc.hInstance		= hInstance;
	winc.hIcon		= LoadIcon(NULL , IDI_APPLICATION);
	winc.hCursor		= LoadCursor(NULL , IDC_ARROW);
	winc.hbrBackground	= (HBRUSH)GetStockObject(WHITE_BRUSH);
	winc.lpszMenuName	= NULL;
	winc.lpszClassName	= TEXT("KITTY");

	if (!RegisterClass(&winc)) return -1;

	hwnd = CreateWindow(
			TEXT("KITTY") , TEXT("Kitty on your lap") ,
			WS_OVERLAPPEDWINDOW | WS_VISIBLE ,
			CW_USEDEFAULT , CW_USEDEFAULT ,
			CW_USEDEFAULT , CW_USEDEFAULT ,
			NULL , NULL ,
			hInstance , NULL
	);

	if (hwnd == NULL) return -1;

	while(GetMessage(&msg , NULL , 0 , 0)) {
		TranslateMessage(&msg);
		DispatchMessage(&msg);
	}
	return msg.wParam;
}

GetSubMenu()

TrackPopupMenu()

BOOL TrackPopupMenu(
	HMENU hMenu ,
	UINT uFlags ,
	int x ,  int y ,
	int nReserved,
	HWND hWnd, 
	CONST RECT *prcRect
);

ClientToScreen()

ScreenToClient()