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Annotation of os232sdk/toolkt20/c/samples/opendlg/hello/hello.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * HELLO.C -- A simple program which calls the OpenDlg library
        !             3:  *
        !             4:  * Created by Microsoft, IBM Corporation 1990
        !             5:  *
        !             6:  *     DISCLAIMER OF WARRANTIES.  The following [enclosed] code is 
        !             7:  *     sample code created by Microsoft Corporation and/or IBM 
        !             8:  *     Corporation. This sample code is not part of any standard 
        !             9:  *     Microsoft or IBM product and is provided to you solely for 
        !            10:  *     the purpose of assisting you in the development of your 
        !            11:  *     applications.  The code is provided "AS IS", without 
        !            12:  *     warranty of any kind.  Neither Microsoft nor IBM shall be 
        !            13:  *     liable for any damages arising out of your use of the sample 
        !            14:  *     code, even if they have been advised of the possibility of 
        !            15:  *     such damages.
        !            16:  */
        !            17: #define INCL_PM
        !            18: #include <os2.h>
        !            19: #include "..\opendlg.h"
        !            20: #include <string.h>
        !            21: #include "hello.h"
        !            22: /*
        !            23:  * Globals
        !            24:  */
        !            25: HAB     hAB;
        !            26: HMQ     hMqHello;
        !            27: HWND    hWndHello;
        !            28: HWND    hWndHelloFrame;
        !            29: CHAR    szClassName[]  = "Hello World";
        !            30: CHAR   szMessage[]     = " - File Dialog Sample";
        !            31: CHAR   szExtension[]   = "\\*";
        !            32: CHAR   szHelp[]        = "Help would go here.";
        !            33: DLF    vdlf;
        !            34: HFILE  vhFile;
        !            35: /*
        !            36:  * Main routine...initializes window and message queue
        !            37:  */
        !            38: int main( ) {
        !            39:     QMSG qmsg;
        !            40:     ULONG ctldata;
        !            41: 
        !            42:     hAB = WinInitialize(NULL);
        !            43: 
        !            44:     hMqHello = WinCreateMsgQueue(hAB, 0);
        !            45: 
        !            46:     if (!WinRegisterClass( hAB, (PCH)szClassName, (PFNWP)HelloWndProc,
        !            47:                CS_SIZEREDRAW, 0))
        !            48:         return( 0 );
        !            49: 
        !            50:     /* Create the window */
        !            51:     ctldata = FCF_STANDARD & ~(FCF_ACCELTABLE);
        !            52:     hWndHelloFrame = WinCreateStdWindow( HWND_DESKTOP, WS_VISIBLE, &ctldata,
        !            53:                                          szClassName, szMessage,
        !            54:                                          0L, (HMODULE)NULL, ID_RESOURCE,
        !            55:                                         &hWndHello );
        !            56: 
        !            57:     if (hWndHelloFrame == (HWND)NULL)
        !            58:        return 0;
        !            59:     WinShowWindow( hWndHelloFrame, TRUE );
        !            60: 
        !            61:     /* Poll messages from event queue */
        !            62:     while( WinGetMsg( hAB, (PQMSG)&qmsg, (HWND)NULL, 0, 0 ) )
        !            63:         WinDispatchMsg( hAB, (PQMSG)&qmsg );
        !            64: 
        !            65:     /* Clean up */
        !            66:     WinDestroyWindow( hWndHelloFrame );
        !            67:     WinDestroyMsgQueue( hMqHello );
        !            68:     WinTerminate( hAB );
        !            69: }
        !            70: 
        !            71: MRESULT EXPENTRY HelloWndProc(hWnd, msg, mp1, mp2)
        !            72: /*
        !            73:  * This routine processes WM_COMMAND, WM_PAINT.  It passes
        !            74:  * everything else to the Default Window Procedure.
        !            75:  */
        !            76: HWND hWnd;
        !            77: USHORT msg;
        !            78: MPARAM mp1;
        !            79: MPARAM mp2;
        !            80: {
        !            81:     HPS                hPS;
        !            82:     POINTL     pt;
        !            83:     CHARBUNDLE cb;
        !            84:     RECTL      rcl;
        !            85: 
        !            86:     switch (msg) {
        !            87: 
        !            88:        case WM_COMMAND:
        !            89:            switch (LOUSHORT(mp1)) {
        !            90: 
        !            91:                case IDM_OPEN: /* Demonstrate Open... dialog call */
        !            92:                    SetupDLF( &vdlf
        !            93:                            , DLG_OPENDLG
        !            94:                            , &vhFile
        !            95:                            , szExtension
        !            96:                            , NULL
        !            97:                            , "Open Title"
        !            98:                            , szHelp );
        !            99:                    DlgFile(hWndHelloFrame, &vdlf);
        !           100:                    break;
        !           101: 
        !           102:                case IDM_SAVE: /* Demonstrate Save As... dialog call */
        !           103:                    SetupDLF( &vdlf
        !           104:                            , DLG_SAVEDLG
        !           105:                            , &vhFile
        !           106:                            , szExtension
        !           107:                            , NULL
        !           108:                            , "Save Title"
        !           109:                            , szHelp);
        !           110:                    strcpy((PSZ)vdlf.szOpenFile, (PSZ)"foo.bar");
        !           111:                    DlgFile(hWndHelloFrame, &vdlf);
        !           112:                    break;
        !           113: 
        !           114:                case IDM_ABOUT:
        !           115:                    WinDlgBox(HWND_DESKTOP, hWnd, AboutDlgProc,
        !           116:                              NULL, IDD_ABOUT, NULL);
        !           117:                    return 0;
        !           118: 
        !           119:                default: break;
        !           120:            }
        !           121:            break;
        !           122: 
        !           123:        case WM_PAINT:
        !           124:            /* Open the presentation space */
        !           125:            hPS = WinBeginPaint(hWnd, NULL, &rcl);
        !           126: 
        !           127:            /* Fill the background with Dark Blue */
        !           128:            WinFillRect(hPS, &rcl, CLR_DARKBLUE);
        !           129: 
        !           130:            /* Write "Hello World" in Red */
        !           131:            pt.x = pt.y = 0L;
        !           132:            cb.lColor = CLR_RED;
        !           133:            GpiSetAttrs(hPS, PRIM_CHAR, CBB_COLOR, 0L, &cb);
        !           134:            GpiCharStringAt(hPS, &pt, (LONG)sizeof(szClassName)-1, szClassName);
        !           135: 
        !           136:            /* Finish painting */
        !           137:            WinEndPaint(hPS);
        !           138:            break;
        !           139: 
        !           140:        default:
        !           141:            return WinDefWindowProc(hWnd, msg, mp1, mp2); break;
        !           142:     }
        !           143:     return 0L;
        !           144: }
        !           145: 
        !           146: MRESULT EXPENTRY AboutDlgProc(hDlg, msg, mp1, mp2)
        !           147: /*
        !           148:     About... dialog procedure
        !           149: */
        !           150: HWND hDlg;
        !           151: USHORT msg;
        !           152: MPARAM mp1;
        !           153: MPARAM mp2;
        !           154: {
        !           155:     switch(msg) {
        !           156:        case WM_COMMAND:
        !           157:            switch(LOUSHORT(mp1)) {
        !           158:                case DID_OK: WinDismissDlg(hDlg, TRUE); break;
        !           159:                default: break;
        !           160:            }
        !           161:        default: return WinDefDlgProc(hDlg, msg, mp1, mp2);
        !           162:     }
        !           163:     return FALSE;
        !           164: }

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