cmdband.c

MS-Press book about programming under Windows CE with source-codes of examples

//======================================================================
// CmdBand - 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 "CmdBand.h"                 // Program-specific stuff

//----------------------------------------------------------------------
// Global data
//
const TCHAR szAppName[] = TEXT ("CmdBand");
HINSTANCE hInst;                     // Program instance handle

// Message dispatch table for MainWindowProc
const struct decodeUINT MainMessages[] = {
    WM_CREATE, DoCreateMain,
    WM_PAINT, DoPaintMain,
    WM_NOTIFY, DoNotifyMain,
    WM_COMMAND, DoCommandMain,
    WM_DESTROY, DoDestroyMain,
};
// Command message dispatch for MainWindowProc
const struct decodeCMD MainCommandItems[] = {
    IDM_VIEWCMDBAR, DoMainCommandViewCmdBar,
    IDM_VIEWCMDBAND, DoMainCommandVCmdBand,
    IDM_EXIT, DoMainCommandExit,
    IDM_ABOUT, DoMainCommandAbout,
};

// Command band button initialization structure
const TBBUTTON tbCBStdBtns[] = {
//  BitmapIndex      Command  State            Style    UserData  String
    {STD_FILENEW,    210,     TBSTATE_ENABLED, TBSTYLE_BUTTON, 0,    0},
    {STD_FILEOPEN,   211,     TBSTATE_ENABLED, TBSTYLE_BUTTON, 0,    0},
    {STD_FILESAVE,   212,     TBSTATE_ENABLED, TBSTYLE_BUTTON, 0,    0},
    {0,              0,       TBSTATE_ENABLED, TBSTYLE_SEP,    0,    0},
    {STD_CUT,        213,     TBSTATE_ENABLED, TBSTYLE_BUTTON, 0,    0},
    {STD_COPY,       214,     TBSTATE_ENABLED, TBSTYLE_BUTTON, 0,    0},
    {STD_PASTE,      215,     TBSTATE_ENABLED, TBSTYLE_BUTTON, 0,    0},
    {0,              0,       TBSTATE_ENABLED, TBSTYLE_SEP,    0,    0},
    {STD_PROPERTIES, 216,     TBSTATE_ENABLED, TBSTYLE_BUTTON, 0,    0},
};

// Command bar initialization structure
const TBBUTTON tbCBViewBtns[] = {
//  BitmapIndex   Command  State               Style        UserData String
    {0,                 0, 0,                  
                                               TBSTYLE_SEP,        0, 0},
    {VIEW_LARGEICONS, 210, TBSTATE_ENABLED | TBSTATE_CHECKED,
                                               TBSTYLE_CHECKGROUP, 0, 0},
    {VIEW_SMALLICONS, 211, TBSTATE_ENABLED,                  
                                               TBSTYLE_CHECKGROUP, 0, 0},
    {VIEW_LIST,       212, TBSTATE_ENABLED,                  
                                               TBSTYLE_CHECKGROUP, 0, 0},
    {VIEW_DETAILS,    213, TBSTATE_ENABLED,                  
                                               TBSTYLE_CHECKGROUP, 0, 0},
    {0,                 0, 0,                  TBSTYLE_SEP,        0, 0},
    {VIEW_SORTNAME,   214, TBSTATE_ENABLED | TBSTATE_CHECKED,
                                               TBSTYLE_CHECKGROUP, 0, 0},
    {VIEW_SORTTYPE,   215, TBSTATE_ENABLED,                  
                                               TBSTYLE_CHECKGROUP, 0, 0},
    {VIEW_SORTSIZE,   216, TBSTATE_ENABLED,                  
                                               TBSTYLE_CHECKGROUP, 0, 0},
    {VIEW_SORTDATE,   217, TBSTATE_ENABLED,                  
                                               TBSTYLE_CHECKGROUP, 0, 0}
};

// Array that stores the band configuration
COMMANDBANDSRESTOREINFO cbr[NUMBANDS];
INT nBandOrder[NUMBANDS];
//======================================================================
// Program entry point
//
int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
                    LPWSTR lpCmdLine, int nCmdShow) {
    HWND hwndMain;
    MSG msg;
    int rc;

    // 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)) {
        TranslateMessage (&msg);
        DispatchMessage (&msg);
    }
    // Instance cleanup
    return TermInstance (hInstance, msg.wParam);
}
//----------------------------------------------------------------------
// InitApp - Application initialization
//
int InitApp (HINSTANCE hInstance) {
    WNDCLASS wc;
    INITCOMMONCONTROLSEX icex;

    // 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;

    // Load the command bar common control class.
    icex.dwSize = sizeof (INITCOMMONCONTROLSEX);
    icex.dwICC = ICC_COOL_CLASSES;
    InitCommonControlsEx (&icex);
    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 ("CmdBand 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) {
    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) {

    CreateCommandBand (hWnd, TRUE);
    return 0;
}
//----------------------------------------------------------------------
// DoPaintMain - Process WM_PAINT message for window.
//
LRESULT DoPaintMain (HWND hWnd, UINT wMsg, WPARAM wParam,
                     LPARAM lParam) {
    PAINTSTRUCT ps;
    HWND hwndCB;
    RECT rect;
    HDC hdc;
    POINT ptArray[2];

    // Adjust the size of the client rect to take into account
    // the command bar or command bands height.
    GetClientRect (hWnd, &rect);
    if (hwndCB = GetDlgItem (hWnd, IDC_CMDBAND))
        rect.top += CommandBands_Height (hwndCB);
    else
        rect.top += CommandBar_Height (GetDlgItem (hWnd, IDC_CMDBAR));

    hdc = BeginPaint (hWnd, &ps);

    ptArray[0].x = rect.left;
    ptArray[0].y = rect.top;
    ptArray[1].x = rect.right;
    ptArray[1].y = rect.bottom;
    Polyline (hdc, ptArray, 2);

    ptArray[0].x = rect.right;
    ptArray[1].x = rect.left;
    Polyline (hdc, ptArray, 2);

    EndPaint (hWnd, &ps);
    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;
}
//----------------------------------------------------------------------
// DoNotifyMain - Process WM_NOTIFY message for window.
//
LRESULT DoNotifyMain (HWND hWnd, UINT wMsg, WPARAM wParam,
                      LPARAM lParam) {
    LPNMHDR pnmh;