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/********************************************************************************************
Clean OS Windows library module version 1.2.1.
This module is part of the Clean Object I/O library, version 1.2.1,
for the Windows platform.
********************************************************************************************/
/********************************************************************************************
About this module:
Routines related to standard file selector dialogues.
********************************************************************************************/
#include "cCrossCallFileSelectors_121.h"
#include "util_121.h"
#include "cCrossCall_121.h"
static UINT APIENTRY FileSelectorHook (HWND hdlg, UINT uiMsg, WPARAM wParam, LPARAM lParam)
{
if (uiMsg == WM_INITDIALOG)
{
RECT rect;
int x, y;
GetWindowRect (hdlg, &rect);
x = (GetSystemMetrics (SM_CXSCREEN)>>1) - ((rect.right-rect.left)>>1);
y = (GetSystemMetrics (SM_CYSCREEN)>>1) - ((rect.bottom-rect.top)>>1);
SetWindowPos (hdlg, NULL, x, y, 0, 0, SWP_NOACTIVATE | SWP_NOSIZE | SWP_NOZORDER);
}
return 0;
}
/* Cross call procedure implementations.
Eval<nr> corresponds with a CrossCallEntry generated by NewCrossCallEntry (nr,Eval<nr>).
*/
/* Create the specialised directory selector dialog from Windows.
By courtesy of Martijn Vervoort.
*/
void EvalCcRqDIRECTORYDIALOG (CrossCallInfo *pcci) /* no params; bool, textptr result; */
{
char buffer[MAX_PATH];
LPITEMIDLIST pidlReturn;
BROWSEINFO bi;
char *s;
char title[17] = "Select Directory\0";
bi.hwndOwner = GetActiveWindow ();
bi.pidlRoot = NULL;
bi.pszDisplayName = buffer;
bi.lpszTitle = title;
bi.ulFlags = BIF_RETURNONLYFSDIRS;
bi.lpfn = NULL;
bi.lParam = 0;
CoInitialize (NULL); // Initialise the COM library; must be balanced by CoUninitialize()
pidlReturn = SHBrowseForFolder (&bi);
if (pidlReturn)
{
s = (char *) rmalloc (MAX_PATH+1);
SHGetPathFromIDList (pidlReturn,s);
CoTaskMemFree (pidlReturn);
CoUninitialize (); // Uninitialise the COM library
MakeReturn2Cci (pcci, (int)TRUE, (int)s);
/* and have the calling Clean function deallocate the directory name buffer. */
}
else
{
CoUninitialize (); // Uninitialise the COM library
MakeReturn2Cci (pcci, (int)FALSE, (int)NULL);
}
}
void EvalCcRqFILEOPENDIALOG (CrossCallInfo *pcci) /* no params; bool, textptr result; */
{
OPENFILENAME ofn;
BOOL success;
ofn.lStructSize = sizeof (OPENFILENAME);
ofn.hwndOwner = GetActiveWindow ();
ofn.hInstance = NULL;
ofn.lpstrFilter = NULL;
ofn.lpstrCustomFilter = NULL;
ofn.nMaxCustFilter = 0;
ofn.nFilterIndex = 0;
ofn.lpstrFile = (LPSTR) rmalloc (MAX_PATH);
ofn.lpstrFile[0] = '\0';
ofn.nMaxFile = MAX_PATH;
ofn.lpstrFileTitle = NULL;
ofn.nMaxFileTitle = 0;
ofn.lpstrInitialDir = NULL;
ofn.lpstrTitle = NULL;
ofn.Flags = OFN_EXPLORER
| OFN_FILEMUSTEXIST
| OFN_HIDEREADONLY
| OFN_PATHMUSTEXIST
| OFN_ENABLEHOOK; // PA: OFN_ENABLEHOOK added from Ronny
ofn.lpstrDefExt = NULL;
ofn.lCustData = 0;
ofn.lpfnHook = &FileSelectorHook; // PA: &FileSelectorHook instead of NULL from Ronny
ofn.lpTemplateName = NULL;
success = GetOpenFileName (&ofn);
if (success)
{
MakeReturn2Cci (pcci, success, (int) ofn.lpstrFile);
/* and have the calling clean function deallocate the filename buffer */
}
else
{
MakeReturn2Cci (pcci, success, (int) NULL);
rfree (ofn.lpstrFile);
}
}
void EvalCcRqFILESAVEDIALOG (CrossCallInfo *pcci) /* promptptr, nameptr; bool, textptr result; */
{
OPENFILENAME ofn;
BOOL success;
char *promptptr;
char *nameptr;
promptptr = (char *) pcci->p1;
nameptr = (char *) pcci->p2;
if (strlen (promptptr) == 0)
promptptr = NULL; /* the calling clean function will
deallocate the memory allocated
for this empty string */
ofn.lStructSize = sizeof (OPENFILENAME);
ofn.hwndOwner = GetActiveWindow ();
ofn.lpstrFilter = NULL;
ofn.lpstrCustomFilter = NULL;
ofn.nMaxCustFilter = 0;
ofn.nFilterIndex = 0;
ofn.lpstrFile = (LPSTR) rmalloc (MAX_PATH);
strncpy(ofn.lpstrFile, nameptr, MAX_PATH - 1);
ofn.lpstrFile[MAX_PATH - 1] = '\0';
ofn.nMaxFile = MAX_PATH;
ofn.lpstrFileTitle = NULL;
ofn.nMaxFileTitle = 0;
ofn.lpstrInitialDir = NULL;
ofn.lpstrTitle = promptptr;
ofn.Flags = OFN_EXPLORER
| OFN_OVERWRITEPROMPT
| OFN_HIDEREADONLY
| OFN_ENABLEHOOK; // PA: OFN_ENABLEHOOK added from Ronny
ofn.lpstrDefExt = NULL;
ofn.lCustData = 0;
ofn.lpfnHook = &FileSelectorHook; // PA: &FileSelectorHook instead of NULL from Ronny
ofn.lpTemplateName = NULL;
success = GetSaveFileName (&ofn);
if (success)
{
MakeReturn2Cci (pcci, success, (int) ofn.lpstrFile);
/* and have the calling clean function deallocate the filename buffer */
}
else
{
MakeReturn2Cci (pcci, success, (int) NULL);
rfree (ofn.lpstrFile);
}
}
/* Install the cross call procedures in the gCrossCallProcedureTable of cCrossCall_121.
*/
void InstallCrossCallFileSelectors()
{
CrossCallProcedureTable newTable;
newTable = EmptyCrossCallProcedureTable ();
AddCrossCallEntry (newTable, CcRqDIRECTORYDIALOG,EvalCcRqDIRECTORYDIALOG);
AddCrossCallEntry (newTable, CcRqFILEOPENDIALOG, EvalCcRqFILEOPENDIALOG);
AddCrossCallEntry (newTable, CcRqFILESAVEDIALOG, EvalCcRqFILESAVEDIALOG);
AddCrossCallEntries (gCrossCallProcedureTable, newTable);
}
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