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//===============================================================
// vfilesel.cxx - vFileSelect class functions - Windows
//
// Copyright (C) 1995,1996, 1997, 1998 Bruce E. Wampler
//
// This file is part of the V C++ GUI Framework, and is covered
// under the terms of the GNU Library General Public License,
// Version 2. This library has NO WARRANTY. See the source file
// vapp.cxx for more complete information about license terms.
//===============================================================
#include <v/vwin32.h> // for Win 32 stuff
#include <v/vfilesel.h> // our header
#include <v/vapp.h>
#include <v/vbasewin.h>
// Define static data of the class
static char* defaultFilter = // The default filter list
"All files(*.*)|*.*|";
//===================>>> vFileSelect::vFileSelect <<<=======================
vFileSelect::vFileSelect(vBaseWindow* bw, char* title) // constructor
{
_parentHWND = bw->winHwnd(); // track parent's HWND
init();
}
//===================>>> vFileSelect::vFileSelect <<<=======================
vFileSelect::vFileSelect(vApp* aw, char* title)
{
_parentHWND = aw->winHwnd(); // track parent's HWND
init();
}
//===================>>> vFileSelect::init <<<=======================
void vFileSelect::init()
{
memset(&ofn,0,sizeof(OPENFILENAME)); // zap entire thing
ofn.lStructSize = sizeof(OPENFILENAME);
ofn.hwndOwner = _parentHWND;
}
//======================>>> vFileSelect::FileSelect <<<=======================
int vFileSelect::FileSelect(const char* msg, char* filename,
const int maxlen, char** filter, int& filterIndex)
{
// Show the file selection dialog.
// returns 0 on cancel, 1 otherwise
char fp[256];
int filterI = filterIndex;
filename[0] = 0;
buildFilter(fp,filter,filterI); // build a proper filter string
ofn.lpstrFilter = fp;
ofn.nFilterIndex = filterI;
ofn.lpstrFile = filename;
ofn.nMaxFile = maxlen;
ofn.lpstrTitle = msg;
ofn.Flags = OFN_PATHMUSTEXIST | OFN_FILEMUSTEXIST |
OFN_HIDEREADONLY;
if (::GetOpenFileName(&ofn)) // Call Windows dialog
{
strcpy(filename, (char*)ofn.lpstrFile);
filterIndex = ofn.nFilterIndex - 1;
return 1;
}
return 0;
}
//======================>>> vFileSelect::FileSelectSave <<<=======================
int vFileSelect::FileSelectSave(const char* msg, char* filename,
const int maxlen, char** filter, int& filterIndex)
{
// Show the file selection dialog.
// returns 0 on cancel, 1 otherwise
char fp[256];
int filterI = filterIndex;
filename[0] = 0;
buildFilter(fp,filter,filterI); // build a proper filter string
ofn.lpstrFilter = fp;
ofn.nFilterIndex = filterI;
ofn.lpstrFile = filename;
ofn.nMaxFile = maxlen;
ofn.lpstrTitle = msg;
ofn.Flags = OFN_OVERWRITEPROMPT | OFN_HIDEREADONLY;
if (::GetSaveFileName(&ofn)) // Call Windows dialog
{
strcpy(filename, (char*)ofn.lpstrFile);
filterIndex = ofn.nFilterIndex - 1;
return 1;
}
filename[0] = 0;
return 0;
}
//======================>>> vFileSelect::buildFilter <<<=======================
void vFileSelect::buildFilter(char* fbuff, char** filter, int& fi)
{
if (filter == 0 || *filter[0] == 0)
{
strcpy(fbuff,defaultFilter);
fi = 1;
}
else // copy the filter over
{
*fbuff = 0;
for (int ix = 0 ; filter[ix] != 0 && *filter[ix] != 0 ; ++ix)
{
if (strlen(filter[ix])*2 + strlen(fbuff) > 255)
break; // safety bailout
// Since the V model doesn't have the description/filter
// organization, we will simply use the filter as the name
strcat(fbuff, filter[ix]); strcat(fbuff,"|");
strcat(fbuff, filter[ix]); strcat(fbuff,"|");
}
fi = fi + 1; // 1 based, not 0 based
}
// Fixup the filter now -- replacing | with 0 makes it what Windows needs
for (char *cp = fbuff ; *cp ; ++cp)
{
if (*cp == '|')
*cp = 0;
}
}
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