メニューは関数で作る方法とメニュー用のリソースファイルを用意する方法があります。ここでは関数で作る方法を説明します。
メニューは CreateMenu( )関数で作ります。そのメニューにメニュー項目を追加するには、AppendMenu( )関数と InsertMenuItem( )関数の2通りがあります。
InsertMenuItem( )関数の方が後で作られた関数です。
ここでは、両方を説明します。
#include <windows.h>
#define FILE 10
#define NEW 11
#define OPEN 12
#define SAVE 13
#define QUIT 14
#define EDIT 20
#define UNDO 21
#define REDO 22
#define CUT 23
#define COPY 24
#define PAST 25
#define HELP 30
#define ABOU 31
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
int WINAPI WinMain(HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPSTR lpCmdLine,
int nCmdShow)
{
HMENU hMenubar;
HMENU hMenuFile;
HMENU hMenuEdit;
HMENU hMenuHelp;
WNDCLASS wc;
HWND hwnd;
MSG msg;
hMenubar = CreateMenu();
hMenuFile = CreateMenu();
hMenuEdit = CreateMenu();
hMenuHelp = CreateMenu();
AppendMenu(hMenuFile, MF_STRING, NEW , TEXT("&New" ));
AppendMenu(hMenuFile, MF_STRING, OPEN, TEXT("&Open"));
AppendMenu(hMenuFile, MF_STRING, SAVE, TEXT("&Save"));
AppendMenu(hMenuFile, MF_SEPARATOR, 0, NULL);
AppendMenu(hMenuFile, MF_STRING, QUIT, TEXT("&Quit"));
AppendMenu(hMenubar , MF_POPUP ,(UINT_PTR)hMenuFile, TEXT("&File"));
AppendMenu(hMenuEdit, MF_STRING, UNDO, TEXT("&Undo"));
AppendMenu(hMenuEdit, MF_STRING, REDO, TEXT("&Redo"));
AppendMenu(hMenuEdit, MF_SEPARATOR, 0, NULL);
AppendMenu(hMenuEdit, MF_STRING, CUT , TEXT("Cut" ));
AppendMenu(hMenuEdit, MF_STRING, COPY, TEXT("&Copy"));
AppendMenu(hMenuEdit, MF_STRING, PAST, TEXT("&Paste"));
AppendMenu(hMenubar , MF_POPUP , (UINT_PTR)hMenuEdit, TEXT("&Edit"));
AppendMenu(hMenuHelp, MF_STRING, ABOU, TEXT("&About"));
AppendMenu(hMenubar , MF_POPUP , (UINT_PTR)hMenuHelp, TEXT("&Help"));
wc.style = CS_HREDRAW | CS_VREDRAW;
wc.lpfnWndProc = WndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = hInstance;
wc.hIcon = NULL;
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hbrBackground = (HBRUSH)COLOR_BACKGROUND + 1;
wc.lpszMenuName = NULL;
wc.lpszClassName = TEXT("MENU");
RegisterClass(&wc);
hwnd = CreateWindow(TEXT("MENU"),
TEXT("Window API Primer"),
WS_OVERLAPPEDWINDOW | WS_VISIBLE,
CW_USEDEFAULT, CW_USEDEFAULT, 300, 200,
NULL, hMenubar, hInstance, NULL);
while (GetMessage(&msg, NULL, 0, 0))
{
DispatchMessage(&msg);
}
return msg.wParam;
}
LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
static HWND label;
RECT rect;
HFONT font;
switch (msg)
{
case WM_CREATE:
GetClientRect(hwnd, &rect);
font = (HFONT)GetStockObject(DEFAULT_GUI_FONT);
label = CreateWindow(TEXT("STATIC"),
TEXT("♪( ´▽`)"),
WS_CHILD | WS_VISIBLE | SS_CENTER,
(rect.right - 100) / 2,
(rect.bottom - 15) / 2,
100, 15, hwnd, NULL, NULL, NULL);
SendMessage(label, WM_SETFONT, (WPARAM)font, 0);
break;
case WM_SIZE:
GetClientRect(hwnd, &rect);
SetWindowPos (label, HWND_TOP,
(rect.right - 100) / 2,
(rect.bottom - 15) / 2,
0, 0, SWP_NOSIZE);
break;
case WM_COMMAND:
switch (wParam)
{
case NEW:
SendMessage(label, WM_SETTEXT, 0, (LPARAM)TEXT("New"));
break;
case OPEN:
SendMessage(label, WM_SETTEXT, 0, (LPARAM)TEXT("Open"));
break;
case SAVE:
SendMessage(label, WM_SETTEXT, 0, (LPARAM)TEXT("Save"));
break;
case QUIT:
SendMessage(hwnd , WM_CLOSE , 0, 0);
break;
case UNDO:
SendMessage(label, WM_SETTEXT, 0, (LPARAM)TEXT("Undo"));
break;
case REDO:
SendMessage(label, WM_SETTEXT, 0, (LPARAM)TEXT("Redo"));
break;
case CUT:
SendMessage(label, WM_SETTEXT, 0, (LPARAM)TEXT("Cut" ));
break;
case COPY:
SendMessage(label, WM_SETTEXT, 0, (LPARAM)TEXT("Copy"));
break;
case PAST:
SendMessage(label, WM_SETTEXT, 0, (LPARAM)TEXT("Paste"));
break;
case ABOU:
SendMessage(label, WM_SETTEXT, 0, (LPARAM)TEXT("About"));
MessageBox (hwnd, TEXT("AppendMenu Ver. 1.0"),TEXT("About"),MB_OK);
break;
}
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
}
return DefWindowProc(hwnd, msg, wParam, lParam);
}
#include <windows.h>
#define FILE 10
#define NEW 11
#define OPEN 12
#define SAVE 13
#define QUIT 14
#define EDIT 20
#define UNDO 21
#define REDO 22
#define CUT 23
#define COPY 24
#define PAST 25
#define HELP 30
#define ABOU 31
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
void AddMenu(HWND);
int WINAPI WinMain(HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPSTR lpCmdLine,
int nCmdShow)
{
WNDCLASS wc;
HWND hwnd;
MSG msg;
wc.style = CS_HREDRAW | CS_VREDRAW;
wc.lpfnWndProc = WndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = hInstance;
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hIcon = NULL;
wc.hbrBackground = (HBRUSH)COLOR_BACKGROUND + 1;
wc.lpszMenuName = NULL;
wc.lpszClassName = TEXT("MENU");
RegisterClass(&wc);
hwnd = CreateWindow(TEXT("MENU"),
TEXT("Windows API Primer"),
WS_OVERLAPPEDWINDOW | WS_VISIBLE,
CW_USEDEFAULT, CW_USEDEFAULT, 300, 200,
NULL, NULL, hInstance, NULL);
while (GetMessage(&msg, NULL, 0, 0))
{
DispatchMessage(&msg);
}
return msg.wParam;
}
LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
static HWND label;
RECT rect;
HFONT font;
switch (msg)
{
case WM_CREATE:
AddMenu(hwnd);
GetClientRect(hwnd, &rect);
font = (HFONT)GetStockObject(DEFAULT_GUI_FONT);
label = CreateWindow(TEXT("STATIC"),
TEXT("♪( ´▽`)"),
WS_CHILD | WS_VISIBLE | SS_CENTER,
(rect.right - 100) / 2,
(rect.bottom - 15) / 2,
100, 15, hwnd, NULL, NULL, NULL);
SendMessage(label, WM_SETFONT, (WPARAM)font, 0);
break;
case WM_SIZE:
GetClientRect(hwnd, &rect);
SetWindowPos (label, HWND_TOP,
(rect.right - 100) / 2,
(rect.bottom - 15) / 2,
0, 0, SWP_NOSIZE);
break;
case WM_COMMAND:
switch (wParam)
{
case NEW:
SendMessage(label, WM_SETTEXT, 0, (LPARAM)TEXT("New"));
break;
case OPEN:
SendMessage(label, WM_SETTEXT, 0, (LPARAM)TEXT("Open"));
break;
case SAVE:
SendMessage(label, WM_SETTEXT, 0, (LPARAM)TEXT("Save"));
break;
case QUIT:
SendMessage(label, WM_CLOSE, 0, 0);
break;
case UNDO:
SendMessage(label, WM_SETTEXT, 0, (LPARAM)TEXT("Undo"));
break;
case REDO:
SendMessage(label, WM_SETTEXT, 0, (LPARAM)TEXT("Redo"));
break;
case CUT:
SendMessage(label, WM_SETTEXT, 0, (LPARAM)TEXT("Cut"));
break;
case COPY:
SendMessage(label, WM_SETTEXT, 0, (LPARAM)TEXT("Copy"));
break;
case PAST:
SendMessage(label, WM_SETTEXT, 0, (LPARAM)TEXT("Paste"));
break;
case ABOU:
SendMessage(label, WM_SETTEXT, 0, (LPARAM)TEXT("About"));
MessageBox (hwnd, TEXT("AddMenu Ver. 1.0"), TEXT("About"), MB_OK);
break;
}
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
}
return DefWindowProc(hwnd, msg, wParam, lParam);
}
void AddMenu(HWND hwnd)
{
HMENU hMenubar;
HMENU hMenuFile;
HMENU hMenuEdit;
HMENU hMenuHelp;
hMenubar = CreateMenu();
hMenuFile = CreateMenu();
hMenuEdit = CreateMenu();
hMenuHelp = CreateMenu();
AppendMenu(hMenuFile, MF_STRING, NEW , TEXT("&New" ));
AppendMenu(hMenuFile, MF_STRING, OPEN, TEXT("&Open"));
AppendMenu(hMenuFile, MF_STRING, SAVE, TEXT("&Save"));
AppendMenu(hMenuFile, MF_SEPARATOR, 0, NULL );
AppendMenu(hMenuFile, MF_STRING, QUIT, TEXT("&Quit"));
AppendMenu(hMenubar , MF_POPUP , (UINT_PTR)hMenuFile, TEXT("&File"));
AppendMenu(hMenuEdit, MF_STRING, UNDO, TEXT("&Undo"));
AppendMenu(hMenuEdit, MF_STRING, REDO, TEXT("&Redo"));
AppendMenu(hMenuEdit, MF_SEPARATOR, 0, NULL );
AppendMenu(hMenuEdit, MF_STRING, CUT , TEXT("Cut" ));
AppendMenu(hMenuEdit, MF_STRING, COPY, TEXT("&Copy"));
AppendMenu(hMenuEdit, MF_STRING, PAST, TEXT("&Paste"));
AppendMenu(hMenubar , MF_POPUP , (UINT_PTR)hMenuEdit, TEXT("&Edit"));
AppendMenu(hMenuHelp, MF_STRING, ABOU, TEXT("&About"));
AppendMenu(hMenubar , MF_POPUP , (UINT_PTR)hMenuHelp, TEXT("&Help"));
SetMenu(hwnd, hMenubar);
}