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Power-Programmierung (Tewi)(1994).iso
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02
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wintro5
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fileopen.c
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C/C++ Source or Header
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1991-02-28
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5KB
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175 lines
/*================================================================*/
/* */
/* File : FILEOPEN.C */
/* */
/* Purpose : Standard file-open dialog box processing. Taken from */
/* sample code in the Windows 3.0 SDK. */
/* */
/* History : */
/* */
/*================================================================*/
#include <string.h>
#include <windows.h>
#include "stock.h"
char FileName[128];
char PathName[128];
char OpenName[128];
char DefPath[128];
char DefSpec[13] = "*.sto";
char DefExt[] = ".sto";
char str[255];
HANDLE FAR PASCAL OpenDlg(hDlg, message, wParam, lParam)
HWND hDlg;
unsigned message;
WORD wParam;
LONG lParam;
{
WORD index;
PSTR pTptr;
HANDLE hFile;
switch (message)
{
case WM_COMMAND:
switch (wParam)
{
case IDC_LISTBOX:
switch (HIWORD(lParam))
{
case LBN_SELCHANGE:
if (!DlgDirSelect(hDlg, str, IDC_LISTBOX))
{
SetDlgItemText(hDlg, IDC_EDIT, str);
SendDlgItemMessage(hDlg,
IDC_EDIT,
EM_SETSEL,
NULL,
MAKELONG(0, 0x7fff));
}
else
{
strcat(str, DefSpec);
DlgDirList(hDlg, str, IDC_LISTBOX,IDC_PATH,0x4010);
}
break;
case LBN_DBLCLK:
goto openfile;
}
return TRUE;
case IDOK:
openfile:
GetDlgItemText(hDlg, IDC_EDIT, OpenName, 128);
if (strchr(OpenName, '*') || strchr(OpenName, '?'))
{
SeparateFile(hDlg, (LPSTR) str, (LPSTR) DefSpec,
(LPSTR) OpenName);
if (str[0])
strcpy(DefPath, str);
ChangeDefExt(DefExt, DefSpec);
UpdateListBox(hDlg);
return TRUE;
}
if (!OpenName[0])
{
MessageBox(hDlg, "No filename specified.", NULL,
MB_OK | MB_ICONHAND);
return TRUE;
}
AddExt(OpenName, DefExt);
/* The routine to open the file would go here, and the */
/* handle would be returned instead of NULL. */
StockFileRead((LPSTR) OpenName);
EndDialog(hDlg, hFile);
return (TRUE);
case IDCANCEL:
EndDialog(hDlg, NULL);
return (TRUE);
}
break;
case WM_INITDIALOG:
UpdateListBox(hDlg);
SetDlgItemText(hDlg, IDC_EDIT, DefSpec);
SendDlgItemMessage(hDlg,
IDC_EDIT,
EM_SETSEL,
NULL,
MAKELONG(0, 0x7fff));
SetFocus(GetDlgItem(hDlg, IDC_EDIT));
return (FALSE);
}
return FALSE;
}
void UpdateListBox(hDlg)
HWND hDlg;
{
strcpy(str, DefPath);
strcat(str, DefSpec);
DlgDirList(hDlg, str, IDC_LISTBOX, IDC_PATH, 0x4010);
SetDlgItemText(hDlg, IDC_EDIT, DefSpec);
}
void ChangeDefExt(Ext, Name)
PSTR Ext, Name;
{
PSTR pTptr;
pTptr = Name;
while (*pTptr && *pTptr != '.')
pTptr++;
if (*pTptr)
if (!strchr(pTptr, '*') && !strchr(pTptr, '?'))
strcpy(Ext, pTptr);
}
void SeparateFile(hDlg, lpDestPath, lpDestFileName, lpSrcFileName)
HWND hDlg;
LPSTR lpDestPath, lpDestFileName, lpSrcFileName;
{
LPSTR lpTmp;
char cTmp;
lpTmp = lpSrcFileName + (long) lstrlen(lpSrcFileName);
while (*lpTmp != ':' && *lpTmp != '\\' && lpTmp > lpSrcFileName)
lpTmp = AnsiPrev(lpSrcFileName, lpTmp);
if (*lpTmp != ':' && *lpTmp != '\\')
{
lstrcpy(lpDestFileName, lpSrcFileName);
lpDestPath[0] = 0;
return;
}
lstrcpy(lpDestFileName, lpTmp + 1);
cTmp = *(lpTmp + 1);
lstrcpy(lpDestPath, lpSrcFileName);
*(lpTmp + 1) = cTmp;
lpDestPath[(lpTmp - lpSrcFileName) + 1] = 0;
}
void AddExt(Name, Ext)
PSTR Name, Ext;
{
PSTR pTptr;
pTptr = Name;
while (*pTptr && *pTptr != '.')
pTptr++;
if (*pTptr != '.')
strcat(Name, Ext);
}