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Annotation of mstools/samples/playsnd/init.c, revision 1.1.1.1

1.1       root        1: /*
                      2:     init.c
                      3: 
                      4:     initialisation, termination and error handling code
                      5: 
                      6: */
                      7: 
                      8: #include <stdio.h>
                      9: #include <windows.h>
                     10: #include "PlaySnd.h"
                     11: #include <stdarg.h>
                     12: 
                     13: 
                     14: /***************************************************************************
                     15: 
                     16:     @doc INTERNAL
                     17: 
                     18:     @api BOOL | InitApp | Initialise the application.
                     19: 
                     20:     @rdesc The return value is TRUE if the application is successfully
                     21:         initialised, otherwise it is FALSE.
                     22: 
                     23: ***************************************************************************/
                     24: 
                     25: BOOL InitApp()
                     26: {
                     27:     WNDCLASS wc;
                     28: 
                     29:     // set up our module handle for resource loading etc.
                     30: 
                     31:     ghModule = GetModuleHandle(NULL);
                     32: 
                     33:     // get the name of our app
                     34:     WinEval(LoadString(ghModule, IDS_APPNAME, szAppName, sizeof(szAppName)));
                     35: 
                     36:     // load the profile info
                     37:     bSync = GetProfileInt(szAppName, "bSync", 0);
                     38:     bNoWait = GetProfileInt(szAppName, "bNoWait", 0);
                     39:     bResourceID = GetProfileInt(szAppName, "bResourceID", 0);
                     40: 
                     41: #ifdef MEDIA_DEBUG
                     42:     // If we are in DEBUG mode, get debug level for this module
                     43:     dGetDebugLevel(szAppName);
                     44:     dprintf("started (debug level %d)", __iDebugLevel);
                     45: #endif
                     46: 
                     47:     // define the class of the main window
                     48: 
                     49:     wc.lpszClassName    = szAppName;
                     50:     wc.style            = CS_HREDRAW | CS_VREDRAW;
                     51:     wc.hCursor          = LoadCursor(NULL, IDC_ARROW);
                     52:     wc.hIcon            = LoadIcon(ghModule, MAKEINTRESOURCE(IDI_ICON));
                     53:     wc.lpszMenuName     = MAKEINTRESOURCE(IDM_MENU); // "Menu";
                     54:     wc.hbrBackground    = (HBRUSH)(COLOR_APPWORKSPACE+1);
                     55:     wc.hInstance        = ghModule;
                     56:     wc.lpfnWndProc      = (WNDPROC)MainWndProc;
                     57:     wc.cbClsExtra       = 0;
                     58:     wc.cbWndExtra       = 0;
                     59: 
                     60:     WinEval(RegisterClass(&wc));
                     61: 
                     62:     // create a window for the application
                     63: 
                     64:     ghwndMain = CreateWindow(szAppName,
                     65:                         szAppName,
                     66:                         WS_OVERLAPPEDWINDOW,
                     67:                         GetSystemMetrics(SM_CXSCREEN) / 8,
                     68:                         GetSystemMetrics(SM_CYSCREEN) / 4,
                     69:                         GetSystemMetrics(SM_CXSCREEN) * 4 / 5,
                     70:                         GetSystemMetrics(SM_CYSCREEN) / 3,
                     71:                         (HWND)NULL,
                     72:                         (HMENU)NULL,
                     73:                         ghModule,
                     74:                         (LPSTR)NULL
                     75:                         );
                     76: 
                     77:     WinAssert(ghwndMain);
                     78: 
                     79: #ifdef MEDIA_DEBUG
                     80:     dDbgSetDebugMenuLevel(__iDebugLevel);   // set debug menu state
                     81: #endif
                     82: 
                     83:     ShowWindow(ghwndMain, SW_SHOWNORMAL);
                     84:     UpdateWindow(ghwndMain); // paint it
                     85: 
                     86: 
                     87:     return TRUE;
                     88: }
                     89: 
                     90: /***************************************************************************
                     91: 
                     92:     @doc INTERNAL
                     93: 
                     94:     @api void | CreateApp | Initialise the application when WM_CREATE
                     95:         message is received.
                     96: 
                     97:     @parm HWND | hWnd | Handle to the parent window.
                     98: 
                     99:     @rdesc There is no return value.
                    100: 
                    101: ***************************************************************************/
                    102: 
                    103: void CreateApp(HWND hWnd)
                    104: {
                    105:     hWnd;
                    106: }
                    107: 
                    108: /***************************************************************************
                    109: 
                    110:     @doc INTERNAL
                    111: 
                    112:     @api void | TerminateApp | Terminate the application.
                    113: 
                    114:     @parm LPSTR | lpszFormat | A printf style format string
                    115:     @parm ... | ... | Printf style args
                    116: 
                    117:     @rdesc There is no return value.
                    118: 
                    119: ***************************************************************************/
                    120: 
                    121: void TerminateApp()
                    122: {
                    123:     char buf[20];
                    124: 
                    125:     // save profile info
                    126:     sprintf(buf, "%d", bSync);
                    127:     WriteProfileString(szAppName, "bSync", buf);
                    128:     sprintf(buf, "%d", bNoWait);
                    129:     WriteProfileString(szAppName, "bNoWait", buf);
                    130:     sprintf(buf, "%d", bResourceID);
                    131:     WriteProfileString(szAppName, "bResourceID", buf);
                    132: 
                    133: 
                    134:     dprintf("ending", szAppName);
                    135:     dSaveDebugLevel(szAppName);
                    136: }
                    137: 
                    138: /***************************************************************************
                    139: 
                    140:     @doc INTERNAL
                    141: 
                    142:     @api void | Error | Show an error message box.
                    143: 
                    144:     @rdesc There is no return value.
                    145: 
                    146: ***************************************************************************/
                    147: 
                    148: void Error(LPSTR lpszFormat, ...)
                    149: {
                    150:     int i;
                    151:     char buf[256];
                    152:     va_list va;
                    153: 
                    154:     va_start(va, lpszFormat);
                    155:     i = vsprintf(buf, lpszFormat, va);
                    156:     va_end(va);
                    157: 
                    158:     MessageBeep(MB_ICONEXCLAMATION);
                    159:     MessageBox(ghwndMain, buf, szAppName, MB_OK | MB_ICONEXCLAMATION);
                    160: }
                    161: 
                    162: 

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