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226 lines
6.8 KiB
226 lines
6.8 KiB
/*
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* File Open/Create dialogs
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*
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*/
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/*
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* these dialog functions exist because they were written and
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* used before the commmon dialogs existed.
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*
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* they have now been reduced to just calls to the common file dialog
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* functions
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*/
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/*---includes-----------------------------------------------------------*/
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#include "windows.h"
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#include "commdlg.h"
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#include "gutilsrc.h"
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#include "gutils.h"
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <string.h>
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/*--functions----------------------------------------------------------*/
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/*
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* gfile_open
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* dialog asking the user to select an existing file to open.
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*
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* parameters
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*
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* prompt - message to user indicating purpose of file
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* (to be displayed somewhere in dialog box.
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*
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* ext - default file extension if user enters file without
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* extension.
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*
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* spec - default file spec (eg *.*)
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*
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* osp - OFSTRUCT representing file, if successfully open.
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*
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* fn - buffer where filename (just final element) is returned.
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*
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* returns - true if file selected and exists (tested with OF_EXIST).
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* FALSE if dialog cancelled. If user selects a file that we cannot
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* open, we complain and restart the dialog.
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*
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* if TRUE is returned, the file will have been successfully opened,
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* for reading and then closed again.
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*/
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BOOL FAR PASCAL
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gfile_open(HWND hwnd, LPSTR prompt, LPSTR ext, LPSTR spec, OFSTRUCT FAR *osp, LPSTR fn)
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{
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OPENFILENAME ofn;
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char achFilters[MAX_PATH];
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char achPath[MAX_PATH];
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LPSTR chp;
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int fh;
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/* build filter-pair buffer to contain one pair - the spec filter,
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* twice (one of the pair should be the filter, the second should be
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* the title of the filter - we don't have a title so we use the
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* filter both times. remember double null at end of list of strings.
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*/
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lstrcpy(achFilters, spec); // filter + null
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chp = &achFilters[lstrlen(achFilters)+1]; //2nd string just after null
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lstrcpy(chp, spec); // filter name (+null)
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chp[lstrlen(chp)+1] = '\0'; // double null at end of list
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/*
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* initialise arguments to dialog proc
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*/
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memset(&ofn, 0, sizeof(ofn));
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// GetOpenFileName ang GetSaveFileName unfortunately
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// validate the size of the structue. So we need to lie to
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// the function if we were built for >=Win2000 and
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// running on an earlier OS
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#if (_WIN32_WINNT >= 0x0500)
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ofn.lStructSize = OPENFILENAME_SIZE_VERSION_400;
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#else
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ofn.lStructSize = sizeof(OPENFILENAME);
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#endif
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ofn.hwndOwner = hwnd;
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ofn.hInstance = NULL;
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ofn.lpstrFilter = achFilters;
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ofn.lpstrCustomFilter = NULL;
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ofn.nMaxCustFilter = 0;
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ofn.nFilterIndex = 1; // first filter pair in list
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achPath[0] = '\0';
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ofn.lpstrFile = achPath; // we need to get the full path to open
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ofn.nMaxFile = sizeof(achPath);
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ofn.lpstrFileTitle = fn; // return final elem of name here
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ofn.nMaxFileTitle = 13; // assume just big enough for 8.3+null
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ofn.lpstrInitialDir = NULL;
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ofn.lpstrTitle = prompt; // dialog title is good place for prompt text
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ofn.Flags = OFN_FILEMUSTEXIST |
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OFN_HIDEREADONLY |
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OFN_PATHMUSTEXIST;
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ofn.lpstrDefExt = ext;
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/*
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* loop until the user cancels, or selects a file that we can open
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*/
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do {
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if (!GetOpenFileName(&ofn)) {
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return(FALSE);
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}
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fh = OpenFile(achPath, osp, OF_READ);
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if (fh == HFILE_ERROR) {
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if (MessageBox(NULL, "File Could Not Be Opened", "File Open",
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MB_OKCANCEL|MB_ICONSTOP) == IDCANCEL) {
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return(FALSE);
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}
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}
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} while (fh == HFILE_ERROR);
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_lclose(fh);
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return(TRUE);
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}
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/*
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* gfile_new
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* dialog asking the user to name a file for writing to.
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*
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* parameters
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*
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* prompt - message to user indicating purpose of file
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* (to be displayed somewhere in dialog box.
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*
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* ext - default file extension if user enters file without
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* extension.
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*
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* spec - default file spec (eg *.*)
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*
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* osp - OFSTRUCT representing file, if successfully created.
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*
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* fn - buffer where filename (just final element) is returned.
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*
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* returns - true if file selected and exists (tested with OF_EXIST).
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* FALSE if dialog cancelled. If user selects a file that we cannot
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* open, we complain and restart the dialog.
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*
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* if TRUE is returned, the file will have been successfully
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* created and opened for writing and then closed again.
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*/
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BOOL FAR PASCAL
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gfile_new(LPSTR prompt, LPSTR ext, LPSTR spec, OFSTRUCT FAR *osp, LPSTR fn)
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{
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OPENFILENAME ofn;
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char achFilters[MAX_PATH];
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LPSTR chp;
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char achPath[MAX_PATH];
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int fh;
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/* build filter-pair buffer to contain one pair - the spec filter,
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* twice (one of the pair should be the filter, the second should be
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* the title of the filter - we don't have a title so we use the
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* filter both times. remember double null at end of list of strings.
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*/
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lstrcpy(achFilters, spec); // filter + null
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chp = &achFilters[lstrlen(achFilters)+1]; //2nd string just after null
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lstrcpy(chp, spec); // filter name (+null)
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chp[lstrlen(chp)+1] = '\0'; // double null at end of list
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/*
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* initialise arguments to dialog proc
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*/
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memset(&ofn, 0, sizeof(ofn));
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// GetOpenFileName ang GetSaveFileName unfortunately
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// validate the size of the structue. So we need to lie to
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// the function if we were built for >=Win2000 and
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// running on an earlier OS
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#if (_WIN32_WINNT >= 0x0500)
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ofn.lStructSize = OPENFILENAME_SIZE_VERSION_400;
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#else
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ofn.lStructSize = sizeof(OPENFILENAME);
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#endif
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ofn.hwndOwner = NULL;
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ofn.hInstance = NULL;
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ofn.lpstrFilter = achFilters;
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ofn.lpstrCustomFilter = NULL;
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ofn.nMaxCustFilter = 0;
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ofn.nFilterIndex = 1; // first filter pair in list
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achPath[0] = '\0';
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ofn.lpstrFile = achPath; // we need to get the full path to open
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ofn.nMaxFile = sizeof(achPath);
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ofn.lpstrFileTitle = fn; // return final elem of name here
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ofn.nMaxFileTitle = 13; // assume just big enough for 8.3+null
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ofn.lpstrInitialDir = NULL;
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ofn.lpstrTitle = prompt; // dialog title is good place for prompt text
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ofn.Flags = OFN_HIDEREADONLY;
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ofn.lpstrDefExt = ext;
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/*
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* loop until the user cancels, or selects a file that we can create/write
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*/
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do {
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if (!GetSaveFileName(&ofn)) {
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return(FALSE);
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}
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fh = OpenFile(achPath, osp, OF_CREATE|OF_READWRITE);
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if (fh == HFILE_ERROR) {
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if (MessageBox(NULL, "File Could Not Be Created", "File Open",
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MB_OKCANCEL|MB_ICONSTOP) == IDCANCEL) {
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return(FALSE);
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}
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}
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} while (fh == HFILE_ERROR);
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_lclose(fh);
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return(TRUE);
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}
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