dlgdemo.c

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//======================================================================
// DlgDemo - Dialog box demonstration
//
// Written for the book Programming Windows CE
// Copyright (C) 1998 Douglas Boling
//======================================================================
#include <windows.h>                 // For all that Windows stuff
#include <commctrl.h>                // Command bar includes
#include <commdlg.h>                 // Common dialog box includes
#include <prsht.h>                   // Property sheet includes

#include "DlgDemo.h"                 // Program-specific stuff

//----------------------------------------------------------------------
// Global data
//
const TCHAR szAppName[] = TEXT ("DlgDemo");
HINSTANCE hInst;                     // Program instance handle
HWND g_hwndMlDlg = 0;                // Handle to modeless dialog box

HINSTANCE hLib = 0;                  // Handle to CommDlg lib
FARPROC lpfnChooseColor = 0;         // Ptr to color common dialog fn
FARPROC lpfnPrintDlg = 0;            // Ptr to print common dialog fn

// Message dispatch table for MainWindowProc
const struct decodeUINT MainMessages[] = {
    WM_CREATE, DoCreateMain,
    WM_COMMAND, DoCommandMain,
    MYMSG_ADDLINE, DoAddLineMain,
    WM_DESTROY, DoDestroyMain,
};

// Command message dispatch for MainWindowProc
const struct decodeCMD MainCommandItems[] = {
    IDM_OPEN, DoMainCommandOpen,
    IDM_SAVE, DoMainCommandSave,
    IDM_SHOWPROPSHEET, DoMainCommandShowProp,
    IDM_SHOWMODELESS, DoMainCommandModeless,
    IDM_COLOR, DoMainCommandColor,
    IDM_PRINT, DoMainCommandPrint,
    IDM_EXIT, DoMainCommandExit,
    IDM_ABOUT, DoMainCommandAbout,
};
//
// Labels for WM_NOTIFY notifications
//
NOTELABELS nlPropPage[] = {{TEXT ("PSN_SETACTIVE  "), (PSN_FIRST-0)},
                           {TEXT ("PSN_KILLACTIVE "), (PSN_FIRST-1)},
                           {TEXT ("PSN_APPLY      "), (PSN_FIRST-2)},
                           {TEXT ("PSN_RESET      "), (PSN_FIRST-3)},
                           {TEXT ("PSN_HASHELP    "), (PSN_FIRST-4)},
                           {TEXT ("PSN_HELP       "), (PSN_FIRST-5)},
                           {TEXT ("PSN_WIZBACK    "), (PSN_FIRST-6)},
                           {TEXT ("PSN_WIZNEXT    "), (PSN_FIRST-7)},
                           {TEXT ("PSN_WIZFINISH  "), (PSN_FIRST-8)},
                           {TEXT ("PSN_QUERYCANCEL"), (PSN_FIRST-9)},
};
int nPropPageSize = dim(nlPropPage);

// Labels for the property pages
TCHAR *szPages[] = {TEXT ("Button"),
                    TEXT ("Edit  "),
                    TEXT ("List  "),
                    TEXT ("Static"),
                    TEXT ("Scroll"),
};
//======================================================================
// Program entry point
//
HWND hwndMain;

int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
                    LPWSTR lpCmdLine, int nCmdShow) {
    MSG msg;
    int rc = 0;

    // Initialize application.
    rc = InitApp (hInstance);
    if (rc) return rc;

    // Initialize this instance.
    hwndMain = InitInstance (hInstance, lpCmdLine, nCmdShow);
    if (hwndMain == 0)
        return 0x10;

    // Application message loop
    while (GetMessage (&msg, NULL, 0, 0)) {
        // If modeless dialog box is created, let it have
        // the first crack at the message.
        if ((g_hwndMlDlg == 0) ||
            (!IsDialogMessage (g_hwndMlDlg, &msg))) {
            TranslateMessage (&msg);
            DispatchMessage (&msg);
        }
    }
    // Instance cleanup
    return TermInstance (hInstance, msg.wParam);
}
//----------------------------------------------------------------------
// InitApp - Application initialization
//
int InitApp (HINSTANCE hInstance) {
    WNDCLASS wc;

    // Register application main window class.
    wc.style = 0;                             // Window style
    wc.lpfnWndProc = MainWndProc;             // Callback function
    wc.cbClsExtra = 0;                        // Extra class data
    wc.cbWndExtra = 0;                        // Extra window data
    wc.hInstance = hInstance;                 // Owner handle
    wc.hIcon = NULL,                          // Application icon
    wc.hCursor = NULL;                        // Default cursor
    wc.hbrBackground = (HBRUSH) GetStockObject (WHITE_BRUSH);
    wc.lpszMenuName =  NULL;                  // Menu name
    wc.lpszClassName = szAppName;             // Window class name

    if (RegisterClass (&wc) == 0) return 1;

    // Get the Color and print dialog function pointers.
    hLib = LoadLibrary (TEXT ("COMMDLG.DLL"));
    if (hLib) {
	    lpfnChooseColor = GetProcAddress (hLib, TEXT ("ChooseColor"));
        lpfnPrintDlg = GetProcAddress (hLib, TEXT ("PrintDlg"));
    }
    return 0;
}
//----------------------------------------------------------------------
// InitInstance - Instance initialization
//
HWND InitInstance (HINSTANCE hInstance, LPWSTR lpCmdLine, int nCmdShow) {
    HWND hWnd;

    // Save program instance handle in global variable.
    hInst = hInstance;

    // Create main window.
    hWnd = CreateWindow (szAppName,            // Window class
                         TEXT ("Dialog Demo"), // Window title
                         WS_VISIBLE,           // Style flags
                         CW_USEDEFAULT,        // x position
                         CW_USEDEFAULT,        // y position
                         CW_USEDEFAULT,        // Initial width
                         CW_USEDEFAULT,        // Initial height
                         NULL,                 // Parent
                         NULL,                 // Menu, must be null
                         hInstance,            // Application instance
                         NULL);                // Pointer to create
                                               // parameters
    // Return fail code if window not created.
    if (!IsWindow (hWnd)) return 0;

    // Standard show and update calls
    ShowWindow (hWnd, nCmdShow);
    UpdateWindow (hWnd);
    return hWnd;
}
//----------------------------------------------------------------------
// TermInstance - Program cleanup
//
int TermInstance (HINSTANCE hInstance, int nDefRC) {
    if (hLib)
        FreeLibrary (hLib);
    return nDefRC;
}
//======================================================================
// Message-handling procedures for MainWindow
//
//----------------------------------------------------------------------
// MainWndProc - Callback function for application window
//
LRESULT CALLBACK MainWndProc (HWND hWnd, UINT wMsg, WPARAM wParam,
                              LPARAM lParam) {
    INT i;
    //
    // Search message list to see if we need to handle this
    // message.  If in list, call procedure.
    //
    for (i = 0; i < dim(MainMessages); i++) {
        if (wMsg == MainMessages[i].Code)
            return (*MainMessages[i].Fxn)(hWnd, wMsg, wParam, lParam);
    }
    return DefWindowProc (hWnd, wMsg, wParam, lParam);
}
//----------------------------------------------------------------------
// DoCreateMain - Process WM_CREATE message for window.
//
LRESULT DoCreateMain (HWND hWnd, UINT wMsg, WPARAM wParam,
                      LPARAM lParam) {
    HWND hwndCB, hwndChild;
    INT i, nHeight;
    LPCREATESTRUCT lpcs;
    HMENU hMenu;

    // Convert lParam into pointer to create structure.
    lpcs = (LPCREATESTRUCT) lParam;

    // Create a command bar.
    hwndCB = CommandBar_Create (hInst, hWnd, IDC_CMDBAR);
    // Add the menu.
    CommandBar_InsertMenubar (hwndCB, hInst, ID_MENU, 0);
    // Add exit button to command bar.
    CommandBar_AddAdornments (hwndCB, 0, 0);

    // See color and print functions not found, disable menus.
    hMenu = CommandBar_GetMenu (hwndCB, 0);
    if (!lpfnChooseColor)
        EnableMenuItem (hMenu, IDM_COLOR, MF_BYCOMMAND | MF_GRAYED);
    if (!lpfnPrintDlg)
        EnableMenuItem (hMenu, IDM_PRINT, MF_BYCOMMAND | MF_GRAYED);

    nHeight = CommandBar_Height (hwndCB);
    //
    // Create report window.  Size it so that it fits under
    // the command bar and fills the remaining client area.
    //
    hwndChild = CreateWindowEx (0, TEXT ("listbox"),
                         TEXT (""), WS_VISIBLE | WS_CHILD | WS_VSCROLL |
                         LBS_USETABSTOPS | LBS_NOINTEGRALHEIGHT, 0,
                         nHeight, lpcs->cx, lpcs->cy - nHeight,
                         hWnd, (HMENU)IDC_RPTLIST,
                         lpcs->hInstance, NULL);

    // Destroy frame if window not created.
    if (!IsWindow (hwndChild)) {
        DestroyWindow (hWnd);
        return 0;
    }
    // Initialize tab stops for display list box.
    i = 40;
    SendMessage (hwndChild, LB_SETTABSTOPS, 1, (LPARAM)&i);
    return 0;
}
//----------------------------------------------------------------------
// DoCommandMain - Process WM_COMMAND message for window.
//
LRESULT DoCommandMain (HWND hWnd, UINT wMsg, WPARAM wParam,
                       LPARAM lParam) {
    WORD idItem, wNotifyCode;
    HWND hwndCtl;
    INT  i;

    // Parse the parameters.
    idItem = (WORD) LOWORD (wParam);
    wNotifyCode = (WORD) HIWORD (wParam);
    hwndCtl = (HWND) lParam;

    // Call routine to handle control message.
    for (i = 0; i < dim(MainCommandItems); i++) {
        if (idItem == MainCommandItems[i].Code)
            return (*MainCommandItems[i].Fxn)(hWnd, idItem, hwndCtl,
                        wNotifyCode);
    }
    return 0;
}
//----------------------------------------------------------------------
// DoAddLineMain - Process MYMSG_ADDLINE message for window.
//
LRESULT DoAddLineMain (HWND hWnd, UINT wMsg, WPARAM wParam,
                       LPARAM lParam) {
    TCHAR szOut[128];
    INT i;

    // If nothing in wParam, just fill in spaces.
    if (wParam == -1) {
        // Print message only.
        lstrcpy (szOut, (LPTSTR)lParam);
    } else {
        // If no ID val, ignore that field.