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Annotation of pmsdk/samples/opendlg/tool1.c, revision 1.1.1.1

1.1       root        1: /*
                      2:     TOOL1.C -- More commonly used library routines
                      3:     Created by Microsoft Corporation, 1989
                      4: */
                      5: 
                      6: #include "tool.h"
                      7: 
                      8: /***************************************************************************\
                      9: * Merges sz[idMes1] and szText1 and displays a message box using
                     10: * the wStyle. Use caption title provided by szText2.
                     11: * Returns the answer from the message box (MBID_OK, MBID_CANCEL).
                     12: \***************************************************************************/
                     13: 
                     14: int CALLBACK AlertBox (hwnd, idMes, lpszText1, lpszText2, idHelp, wStyle)
                     15: HWND  hwnd;
                     16: int   idMes;
                     17: PSZ  lpszText1;
                     18: PSZ  lpszText2;
                     19: USHORT idHelp;
                     20: USHORT wStyle;
                     21:     {
                     22:     char szMessage [MAXMESSAGELENGTH];
                     23: 
                     24:     MergeStrings((PSZ)vrgsz[idMes], lpszText1, (PSZ)szMessage);
                     25:     if (idHelp != NULL)
                     26:         wStyle |= MB_HELP;
                     27:     return (WinMessageBox (HWND_DESKTOP, hwnd, (PSZ)szMessage, lpszText2,
                     28:                            idHelp, wStyle));
                     29:     }
                     30: 
                     31: 
                     32: /***************************************************************************\
                     33: * Scan szSrc for merge spec. If found, insert string szMerge at that point.
                     34: * Then append rest of szSrc NOTE! Merge spec guaranteed to be two chars.
                     35: * returns TRUE if it does a merge, false otherwise.
                     36: \***************************************************************************/
                     37: 
                     38: BOOL CALLBACK MergeStrings(lpszSrc, lpszMerge, lpszDst)
                     39: PSZ   lpszSrc;
                     40: PSZ   lpszMerge;
                     41: PSZ   lpszDst;
                     42:     {
                     43:     /* Find merge spec if there is one. */
                     44:     while (*(unsigned far *)lpszSrc != *(unsigned *)vrgsz[IDS_MERGE1])
                     45:         {
                     46:         *lpszDst++ = *lpszSrc;
                     47:         /* If we reach end of string before merge spec, just return. */
                     48:         if (!*lpszSrc++)
                     49:             return FALSE;
                     50:         }
                     51: 
                     52:     /* If merge spec found, insert sz2 there. (check for null merge string */
                     53:     if (lpszMerge)
                     54:         {
                     55:         while (*lpszMerge)
                     56:             *lpszDst++ = *lpszMerge++;
                     57:         }
                     58: 
                     59:     /* Jump over merge spec */
                     60:     lpszSrc++,lpszSrc++;
                     61: 
                     62:     /* Now append rest of Src String */
                     63:     while (*lpszDst++ = *lpszSrc++);
                     64:     return TRUE;
                     65:     }
                     66: 
                     67: 
                     68: 
                     69: /****************************************************************************\
                     70: * This function invokes either an Open or Save dialog box.
                     71: *     (lpdlf->rgbAction == DLG_OPENDLG)  -->  invoke Open dlgBox
                     72: *     (lpdlf->rgbAction == DLG_SAVEDLG)  -->  invoke Save dlbBox
                     73: *
                     74: * Unless DLG_NOSAVE is specified, the file is opened and left open.
                     75: *
                     76: * Return values are:
                     77: *     TDF_INVALID - Library error (internal error),
                     78: *     TDF_ERRMEM  - Out of memory error
                     79: *     TDF_NOOPEN  - User hits cancel
                     80: *   specific to DLG_OPEN:
                     81: *     TDF_NEWOPEN - Created new file
                     82: *     TDF_OLDOPEN - Opened existing file
                     83: *   specific to DLG_SAVE:
                     84: *     TDF_NEWSAVE - user wants to save to a new file
                     85: *     TDF_OLDSAVE - user wants to save over existing file
                     86: *   specific to DLG_NOSAVE:
                     87: *     TDF_NEWSAVE - user wants to save to a new file
                     88: *     TDF_OLDSAVE - user wants to save over existing file
                     89: \****************************************************************************/
                     90: 
                     91: int CALLBACK DlgFile(hwnd, pdlf)
                     92: HWND  hwnd;
                     93: PDLF pdlf;
                     94:     {
                     95:     /* create dialog box */
                     96:     if (pdlf->rgbAction & DLG_SAVEDLG)
                     97:         return WinDlgBox(HWND_DESKTOP, hwnd, DlgSaveAsWndProc, vhModule,
                     98:                          IDD_SAVEAS, (PSZ)pdlf);
                     99:     else
                    100:         return WinDlgBox(HWND_DESKTOP, hwnd, DlgOpenWndProc, vhModule,
                    101:                          IDD_OPEN, (PSZ)pdlf);
                    102:     }
                    103: 
                    104: /**************************************************************************\
                    105: * This function initializes the DLF structure
                    106: \**************************************************************************/
                    107: void CALLBACK SetupDLF(PDLF pdlf, int iAction, PHFILE phFile,
                    108:                       PSZ Extension, PSZ AppName, PSZ pszInTitle,
                    109:                       PSZ pszInInstructions ) {
                    110:     pdlf->pszExt = Extension;
                    111:     pdlf->rgbFlags = ATTRDIRLIST;
                    112:     pdlf->phFile = phFile;
                    113:     pdlf->pszAppName = AppName;
                    114:     pdlf->rgbAction = iAction;
                    115:     pdlf->pszTitle = pszInTitle;
                    116:     pdlf->pszInstructions = pszInInstructions;
                    117: }

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