/Samples/Chap10/PopMenu/PopMenu.d
D | 187 lines | 147 code | 36 blank | 4 comment | 4 complexity | fbf4d6623fd1542fcbe543f35085a7ff MD5 | raw file
- /+
- + Copyright (c) Charles Petzold, 1998.
- + Ported to the D Programming Language by Andrej Mitrovic, 2011.
- +/
- module name;
- import core.runtime;
- import core.thread;
- import std.conv;
- import std.math;
- import std.range;
- import std.string;
- import std.utf;
- auto toUTF16z(S)(S s)
- {
- return toUTFz!(const(wchar)*)(s);
- }
- pragma(lib, "gdi32.lib");
- import core.sys.windows.windef;
- import core.sys.windows.winuser;
- import core.sys.windows.wingdi;
- import core.sys.windows.winbase;
- import resource;
- string appName = "PopMenu";
- string description = "Popup Menu Demonstration";
- enum ID_TIMER = 1;
- HINSTANCE hinst;
- extern (Windows)
- int WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int iCmdShow)
- {
- int result;
- try
- {
- Runtime.initialize();
- result = myWinMain(hInstance, hPrevInstance, lpCmdLine, iCmdShow);
- Runtime.terminate();
- }
- catch (Throwable o)
- {
- MessageBox(null, o.toString().toUTF16z, "Error", MB_OK | MB_ICONEXCLAMATION);
- result = 0;
- }
- return result;
- }
- int myWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int iCmdShow)
- {
- hinst = hInstance;
- HWND hwnd;
- MSG msg;
- WNDCLASS 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 = cast(HBRUSH)GetStockObject(WHITE_BRUSH);
- wndclass.lpszMenuName = appName.toUTF16z;
- wndclass.lpszClassName = appName.toUTF16z;
- if (!RegisterClass(&wndclass))
- {
- MessageBox(NULL, "This program requires Windows NT!", appName.toUTF16z, MB_ICONERROR);
- return 0;
- }
- hwnd = CreateWindow(appName.toUTF16z, // window class name
- description.toUTF16z, // window caption
- WS_OVERLAPPEDWINDOW, // window style
- CW_USEDEFAULT, // initial x position
- CW_USEDEFAULT, // initial y position
- CW_USEDEFAULT, // initial x size
- CW_USEDEFAULT, // initial y size
- NULL, // parent window handle
- NULL, // window menu handle
- hInstance, // program instance handle
- NULL); // creation parameters
- ShowWindow(hwnd, iCmdShow);
- UpdateWindow(hwnd);
- while (GetMessage(&msg, NULL, 0, 0))
- {
- TranslateMessage(&msg);
- DispatchMessage(&msg);
- }
- return msg.wParam;
- }
- extern (Windows)
- LRESULT WndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam) nothrow
- {
- scope (failure) assert(0);
- static HMENU hMenu;
- enum idColor = [WHITE_BRUSH, LTGRAY_BRUSH, GRAY_BRUSH, DKGRAY_BRUSH, BLACK_BRUSH];
- static int iSelection = IDM_BKGND_WHITE;
- POINT point;
- switch (message)
- {
- case WM_CREATE:
- hMenu = LoadMenu(hinst, appName.toUTF16z);
- hMenu = GetSubMenu(hMenu, 0);
- return 0;
- case WM_RBUTTONUP:
- point.x = LOWORD(lParam);
- point.y = HIWORD(lParam);
- ClientToScreen(hwnd, &point);
- TrackPopupMenu(hMenu, TPM_RIGHTBUTTON, point.x, point.y, 0, hwnd, NULL);
- return 0;
- case WM_COMMAND:
- switch (LOWORD(wParam))
- {
- case IDM_FILE_NEW:
- case IDM_FILE_OPEN:
- case IDM_FILE_SAVE:
- case IDM_FILE_SAVE_AS:
- case IDM_EDIT_UNDO:
- case IDM_EDIT_CUT:
- case IDM_EDIT_COPY:
- case IDM_EDIT_PASTE:
- case IDM_EDIT_CLEAR:
- MessageBeep(0);
- return 0;
- case IDM_BKGND_WHITE: // Note: Logic below
- case IDM_BKGND_LTGRAY: // assumes that IDM_WHITE
- case IDM_BKGND_GRAY: // through IDM_BLACK are
- case IDM_BKGND_DKGRAY: // consecutive numbers in
- case IDM_BKGND_BLACK: // the order shown here.
- CheckMenuItem(hMenu, iSelection, MF_UNCHECKED);
- iSelection = LOWORD(wParam);
- CheckMenuItem(hMenu, iSelection, MF_CHECKED);
- SetClassLong(hwnd, GCL_HBRBACKGROUND,
- cast(LONG)GetStockObject(idColor [LOWORD(wParam) - IDM_BKGND_WHITE]));
- InvalidateRect(hwnd, NULL, TRUE);
- return 0;
- case IDM_APP_ABOUT:
- MessageBox(hwnd, "Popup Menu Demonstration Program\n(c) Charles Petzold, 1998",
- appName.toUTF16z, MB_ICONINFORMATION | MB_OK);
- return 0;
- case IDM_APP_EXIT:
- SendMessage(hwnd, WM_CLOSE, 0, 0);
- return 0;
- case IDM_APP_HELP:
- MessageBox(hwnd, "Help not yet implemented!",
- appName.toUTF16z, MB_ICONEXCLAMATION | MB_OK);
- return 0;
- default:
- }
- break;
- case WM_DESTROY:
- PostQuitMessage(0);
- return 0;
- default:
- }
- return DefWindowProc(hwnd, message, wParam, lParam);
- }