vc_menu.rar_VC Me_vc menu_vc 菜单

/*---------------------------------------------- GRAFMENU.C -- Demonstrates Bitmap Menu Items (c) Charles Petzold, 1996 ----------------------------------------------*/ #include <windows.h> #include <string.h> #include "grafmenu.h" LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ; HBITMAP StretchBitmap (HBITMAP) ; HBITMAP GetBitmapFont (int) ; char szAppName[] = "GrafMenu" ; int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance, PSTR szCmdLine, int iCmdShow) { HBITMAP hBitmapHelp, hBitmapFile, hBitmapEdit, hBitmapFont, hBitmapPopFont[3] ; HMENU hMenu, hMenuPopup ; HWND hwnd ; int i ; MSG msg ; WNDCLASSEX wndclass ; wndclass.cbSize = sizeof (wndclass) ; wndclass.style = CS_HREDRAW | CS_VREDRAW ; wndclass.lpfnWndProc = WndProc ; wndclass.cbClsExtra = 0 ; wndclass.cbWndExtra = 0 ; wndclass.hInstance = hInstance ; wndclass.hIcon = LoadIcon (NULL, IDI_APPLICATION) ; wndclass.hCursor = LoadCursor (NULL, IDC_ARROW) ; wndclass.hbrBackground = (HBRUSH) GetStockObject (WHITE_BRUSH) ; wndclass.lpszMenuName = NULL ; wndclass.lpszClassName = szAppName ; wndclass.hIconSm = LoadIcon (NULL, IDI_APPLICATION) ; RegisterClassEx (&wndclass) ; hMenu = CreateMenu () ; hMenuPopup = LoadMenu (hInstance, "MenuFile") ; hBitmapFile = StretchBitmap (LoadBitmap (hInstance, "BitmapFile")) ; AppendMenu (hMenu, MF_BITMAP | MF_POPUP, (int) hMenuPopup, (PSTR) (LONG) hBitmapFile) ; hMenuPopup = LoadMenu (hInstance, "MenuEdit") ; hBitmapEdit = StretchBitmap (LoadBitmap (hInstance, "BitmapEdit")) ; AppendMenu (hMenu, MF_BITMAP | MF_POPUP, (int) hMenuPopup, (PSTR) (LONG) hBitmapEdit) ; hMenuPopup = CreateMenu () ; for (i = 0 ; i < 3 ; i++) { hBitmapPopFont[i] = GetBitmapFont (i) ; AppendMenu (hMenuPopup, MF_BITMAP, IDM_COUR + i, (PSTR) (LONG) hBitmapPopFont[i]) ; } hBitmapFont = StretchBitmap (LoadBitmap (hInstance, "BitmapFont")) ; AppendMenu (hMenu, MF_BITMAP | MF_POPUP, (int) hMenuPopup, (PSTR) (LONG) hBitmapFont) ; hwnd = CreateWindow (szAppName, "Bitmap Menu Demonstration", WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, NULL, hMenu, hInstance, NULL) ; hMenu = GetSystemMenu (hwnd, FALSE); hBitmapHelp = StretchBitmap (LoadBitmap (hInstance, "BitmapHelp")) ; AppendMenu (hMenu, MF_SEPARATOR, NULL, NULL) ; AppendMenu (hMenu, MF_BITMAP, IDM_HELP, (PSTR) (LONG) hBitmapHelp) ; ShowWindow (hwnd, iCmdShow) ; UpdateWindow (hwnd) ; while (GetMessage (&msg, NULL, 0, 0)) { TranslateMessage (&msg) ; DispatchMessage (&msg) ; } DeleteObject (hBitmapHelp) ; DeleteObject (hBitmapEdit) ; DeleteObject (hBitmapFile) ; DeleteObject (hBitmapFont) ; for (i = 0 ; i < 3 ; i++) DeleteObject (hBitmapPopFont[i]) ; return msg.wParam ; } HBITMAP StretchBitmap (HBITMAP hBitmap1) { BITMAP bm1, bm2 ; HBITMAP hBitmap2 ; HDC hdc, hdcMem1, hdcMem2 ; TEXTMETRIC tm ; hdc = CreateIC ("DISPLAY", NULL, NULL, NULL) ; GetTextMetrics (hdc, &tm) ; hdcMem1 = CreateCompatibleDC (hdc) ; hdcMem2 = CreateCompatibleDC (hdc) ; DeleteDC (hdc) ; GetObject (hBitmap1, sizeof (BITMAP), (PSTR) &bm1) ; bm2 = bm1 ; bm2.bmWidth = (tm.tmAveCharWidth * bm2.bmWidth) / 4 ; bm2.bmHeight = (tm.tmHeight * bm2.bmHeight) / 8 ; bm2.bmWidthBytes = ((bm2.bmWidth + 15) / 16) * 2 ; hBitmap2 = CreateBitmapIndirect (&bm2) ; SelectObject (hdcMem1, hBitmap1) ; SelectObject (hdcMem2, hBitmap2) ; StretchBlt (hdcMem2, 0, 0, bm2.bmWidth, bm2.bmHeight, hdcMem1, 0, 0, bm1.bmWidth, bm1.bmHeight, SRCCOPY) ; DeleteDC (hdcMem1) ; DeleteDC (hdcMem2) ; DeleteObject (hBitmap1) ; return hBitmap2 ; } HBITMAP GetBitmapFont (int i) { static char *szFaceName[3] = { "Courier New", "Arial", "Times New Roman" } ; static LOGFONT lf ; HBITMAP hBitmap ; HDC hdc, hdcMem ; HFONT hFont ; SIZE size ; TEXTMETRIC tm ; hdc = CreateIC ("DISPLAY", NULL, NULL, NULL) ; GetTextMetrics (hdc, &tm) ; lf.lfHeight = 2 * tm.tmHeight ; strcpy ((char *) lf.lfFaceName, szFaceName[i]) ; hdcMem = CreateCompatibleDC (hdc) ; hFont = (HFONT) SelectObject (hdcMem, CreateFontIndirect (&lf)) ; GetTextExtentPoint (hdcMem, szFaceName[i], strlen (szFaceName[i]), &size) ; hBitmap = CreateBitmap (size.cx, size.cy, 1, 1, NULL) ; SelectObject (hdcMem, hBitmap) ; TextOut (hdcMem, 0, 0, szFaceName[i], strlen (szFaceName[i])) ; DeleteObject (SelectObject (hdcMem, hFont)) ; DeleteDC (hdcMem) ; DeleteDC (hdc) ; return hBitmap ; } LRESULT CALLBACK WndProc (HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam) { HMENU hMenu ; static int iCurrentFont = IDM_COUR ; switch (iMsg) { case WM_CREATE : CheckMenuItem (GetMenu (hwnd), iCurrentFont, MF_CHECKED) ; return 0 ; case WM_SYSCOMMAND : switch (LOWORD (wParam)) { case IDM_HELP : MessageBox (hwnd, "Help not yet implemented!", szAppName, MB_OK | MB_ICONEXCLAMATION) ; return 0 ; } break ; case WM_COMMAND : switch (LOWORD (wParam)) { case IDM_NEW : case IDM_OPEN : case IDM_SAVE : case IDM_SAVEAS : case IDM_UNDO : case IDM_CUT : case IDM_COPY : case IDM_PASTE : case IDM_DEL : MessageBeep (0) ; return 0 ; case IDM_COUR : case IDM_ARIAL : case IDM_TIMES : hMenu = GetMenu (hwnd) ; CheckMenuItem (hMenu, iCurrentFont, MF_UNCHECKED) ; iCurrentFont = LOWORD (wParam) ; CheckMenuItem (hMenu, iCurrentFont, MF_CHECKED) ; return 0 ; } break ; case WM_DESTROY : PostQuitMessage (0) ; return 0 ; } return DefWindowProc (hwnd, iMsg, wParam, lParam) ; }