Leaked source code of windows server 2003
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/////////////////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 1998 Active Voice Corporation. All Rights Reserved.
//
// Active Agent(r) and Unified Communications(tm) are trademarks of Active Voice Corporation.
//
// Other brand and product names used herein are trademarks of their respective owners.
//
// The entire program and user interface including the structure, sequence, selection,
// and arrangement of the dialog, the exclusively "yes" and "no" choices represented
// by "1" and "2," and each dialog message are protected by copyrights registered in
// the United States and by international treaties.
//
// Protected by one or more of the following United States patents: 5,070,526, 5,488,650,
// 5,434,906, 5,581,604, 5,533,102, 5,568,540, 5,625,676, 5,651,054.
//
// Active Voice Corporation
// Seattle, Washington
// USA
//
/////////////////////////////////////////////////////////////////////////////////////////
////
// res.c - resource functions
////
#include "winlocal.h"
#include <stdlib.h>
#include "res.h"
#include "list.h"
#include "mem.h"
#include "str.h"
#include "strbuf.h"
#include "trace.h"
////
// private definitions
////
// res control struct
//
typedef struct RES
{
DWORD dwVersion;
HINSTANCE hInst;
HTASK hTask;
HLIST hListModules;
HSTRBUF hStrBuf;
int cBuf;
int sizBuf;
} RES, FAR *LPRES;
// helper functions
//
static LPRES ResGetPtr(HRES hRes);
static HRES ResGetHandle(LPRES lpRes);
////
// public functions
////
// ResInit - initialize resource engine
// <dwVersion> (i) must be RES_VERSION
// <hInst> (i) instance handle of calling module
// return handle (NULL if error)
//
HRES DLLEXPORT WINAPI ResInit(DWORD dwVersion, HINSTANCE hInst)
{
BOOL fSuccess = TRUE;
LPRES lpRes = NULL;
if (dwVersion != RES_VERSION)
fSuccess = TraceFALSE(NULL);
else if (hInst == NULL)
fSuccess = TraceFALSE(NULL);
else if ((lpRes = (LPRES) MemAlloc(NULL, sizeof(RES), 0)) == NULL)
fSuccess = TraceFALSE(NULL);
else
{
lpRes->dwVersion = dwVersion;
lpRes->hInst = hInst;
lpRes->hTask = GetCurrentTask();
lpRes->hListModules = NULL;
lpRes->hStrBuf = NULL;
lpRes->cBuf = 8;
lpRes->sizBuf = 512;
// create linked list to hold instance handles of resource modules
//
if ((lpRes->hListModules = ListCreate(LIST_VERSION, hInst)) == NULL)
fSuccess = TraceFALSE(NULL);
// calling module is always the first resource module in list
//
else if (ResAddModule(ResGetHandle(lpRes), hInst) != 0)
fSuccess = TraceFALSE(NULL);
// create string buffer array to be used by ResString
//
else if ((lpRes->hStrBuf = StrBufInit(STRBUF_VERSION, hInst,
lpRes->cBuf, lpRes->sizBuf)) == NULL)
fSuccess = TraceFALSE(NULL);
}
if (!fSuccess)
{
ResTerm(ResGetHandle(lpRes));
lpRes = NULL;
}
return fSuccess ? ResGetHandle(lpRes) : NULL;
}
// ResTerm - shut down resource engine
// <hRes> (i) handle returned from ResInit
// return 0 if success
//
int DLLEXPORT WINAPI ResTerm(HRES hRes)
{
BOOL fSuccess = TRUE;
LPRES lpRes;
if ((lpRes = ResGetPtr(hRes)) == NULL)
fSuccess = TraceFALSE(NULL);
else
{
if (lpRes->hListModules != NULL)
{
if (ListDestroy(lpRes->hListModules) != 0)
fSuccess = TraceFALSE(NULL);
else
lpRes->hStrBuf = NULL;
}
if (lpRes->hStrBuf != NULL)
{
if (StrBufTerm(lpRes->hStrBuf) != 0)
fSuccess = TraceFALSE(NULL);
else
lpRes->hStrBuf = NULL;
}
if ((lpRes = MemFree(NULL, lpRes)) != NULL)
fSuccess = TraceFALSE(NULL);
}
return fSuccess ? 0 : -1;
}
// ResAddModule - add module resources to res engine
// <hRes> (i) handle returned from ResInit
// <hInst> (i) instance handle of resource module
// return 0 if success
//
int DLLEXPORT WINAPI ResAddModule(HRES hRes, HINSTANCE hInst)
{
BOOL fSuccess = TRUE;
LPRES lpRes;
if ((lpRes = ResGetPtr(hRes)) == NULL)
fSuccess = TraceFALSE(NULL);
else if (hInst == NULL)
fSuccess = TraceFALSE(NULL);
else if (ListAddHead(lpRes->hListModules, (LISTELEM) hInst) == NULL)
fSuccess = TraceFALSE(NULL);
return fSuccess ? 0 : -1;
}
// ResRemoveModule - remove module resources from res engine
// <hRes> (i) handle returned from ResInit
// <hInst> (i) instance handle of resource module
// return 0 if success
//
int DLLEXPORT WINAPI ResRemoveModule(HRES hRes, HINSTANCE hInst)
{
BOOL fSuccess = TRUE;
LPRES lpRes;
HLISTNODE hNode;
if ((lpRes = ResGetPtr(hRes)) == NULL)
fSuccess = TraceFALSE(NULL);
else if (hInst == NULL)
fSuccess = TraceFALSE(NULL);
else if ((hNode = ListFind(lpRes->hListModules, (LISTELEM) hInst, NULL)) == NULL)
fSuccess = TraceFALSE(NULL);
else if (ListRemoveAt(lpRes->hListModules, hNode) == NULL)
fSuccess = TraceFALSE(NULL);
return fSuccess ? 0 : -1;
}
// ResLoadAccelerators - load specified accelerator table
// <hRes> (i) handle returned from ResInit
// <lpszTableName> (i) name of accelerator table
// or MAKEINTRESOURCE(idAccel)
// return accel handle if success, otherwise NULL
// NOTE: see documentation for LoadAccelerators function
//
HACCEL DLLEXPORT WINAPI ResLoadAccelerators(HRES hRes, LPCTSTR lpszTableName)
{
BOOL fSuccess = TRUE;
LPRES lpRes;
HLISTNODE hNode;
HACCEL hAccel = NULL;
if ((lpRes = ResGetPtr(hRes)) == NULL)
fSuccess = TraceFALSE(NULL);
// search each module for the specified resource
//
else for (hNode = ListGetHeadNode(lpRes->hListModules);
fSuccess && hNode != NULL;
hNode = ListGetNextNode(lpRes->hListModules, hNode))
{
HINSTANCE hInst;
if ((hInst = (HINSTANCE) ListGetAt(lpRes->hListModules, hNode)) == NULL)
fSuccess = TraceFALSE(NULL);
else if ((hAccel = LoadAccelerators(hInst, lpszTableName)) != NULL)
break; // resource found
}
return fSuccess ? hAccel : NULL;
}
// ResLoadBitmap - load specified bitmap resource
// <hRes> (i) handle returned from ResInit
// NULL load pre-defined Windows bitmap
// <lpszBitmap> (i) name of bitmap resource
// or MAKEINTRESOURCE(idBitmap)
// or <OBM_xxx> if hRes is NULL
// return bitmap handle if success, otherwise NULL
// NOTE: see documentation for LoadBitmap function
//
HBITMAP DLLEXPORT WINAPI ResLoadBitmap(HRES hRes, LPCTSTR lpszBitmap)
{
BOOL fSuccess = TRUE;
LPRES lpRes;
HLISTNODE hNode;
HBITMAP hBitmap = NULL;
if (hRes == NULL)
{
// special case to handle pre-defined Windows resources
//
if ((hBitmap = LoadBitmap(NULL, lpszBitmap)) == NULL)
fSuccess = TraceFALSE(NULL);
}
else if ((lpRes = ResGetPtr(hRes)) == NULL)
fSuccess = TraceFALSE(NULL);
// search each module for the specified resource
//
else for (hNode = ListGetHeadNode(lpRes->hListModules);
fSuccess && hNode != NULL;
hNode = ListGetNextNode(lpRes->hListModules, hNode))
{
HINSTANCE hInst;
if ((hInst = (HINSTANCE) ListGetAt(lpRes->hListModules, hNode)) == NULL)
fSuccess = TraceFALSE(NULL);
else if ((hBitmap = LoadBitmap(hInst, lpszBitmap)) != NULL)
break; // resource found
}
return fSuccess ? hBitmap : NULL;
}
// ResLoadCursor - load specified cursor resource
// <hRes> (i) handle returned from ResInit
// NULL load pre-defined Windows cursor
// <lpszCursor> (i) name of cursor resource
// or MAKEINTRESOURCE(idCursor)
// or <IDC_xxx> if hRes is NULL
// return cursor handle if success, otherwise NULL
// NOTE: see documentation for LoadCursor function
//
HCURSOR DLLEXPORT WINAPI ResLoadCursor(HRES hRes, LPCTSTR lpszCursor)
{
BOOL fSuccess = TRUE;
LPRES lpRes;
HLISTNODE hNode;
HCURSOR hCursor = NULL;
if (hRes == NULL)
{
// special case to handle pre-defined Windows resources
//
if ((hCursor = LoadCursor(NULL, lpszCursor)) == NULL)
fSuccess = TraceFALSE(NULL);
}
else if ((lpRes = ResGetPtr(hRes)) == NULL)
fSuccess = TraceFALSE(NULL);
// search each module for the specified resource
//
else for (hNode = ListGetHeadNode(lpRes->hListModules);
fSuccess && hNode != NULL;
hNode = ListGetNextNode(lpRes->hListModules, hNode))
{
HINSTANCE hInst;
if ((hInst = (HINSTANCE) ListGetAt(lpRes->hListModules, hNode)) == NULL)
fSuccess = TraceFALSE(NULL);
else if ((hCursor = LoadCursor(hInst, lpszCursor)) != NULL)
break; // resource found
}
return fSuccess ? hCursor : NULL;
}
// ResLoadIcon - load specified icon resource
// <hRes> (i) handle returned from ResInit
// NULL load pre-defined Windows icon
// <lpszIcon> (i) name of icon resource
// or MAKEINTRESOURCE(idIcon)
// or <IDI_xxx> if hRes is NULL
// return icon handle if success, otherwise NULL
// NOTE: see documentation for LoadIcon function
//
HICON DLLEXPORT WINAPI ResLoadIcon(HRES hRes, LPCTSTR lpszIcon)
{
BOOL fSuccess = TRUE;
LPRES lpRes;
HLISTNODE hNode;
HICON hIcon = NULL;
if (hRes == NULL)
{
// special case to handle pre-defined Windows resources
//
if ((hIcon = LoadIcon(NULL, lpszIcon)) == NULL)
fSuccess = TraceFALSE(NULL);
}
else if ((lpRes = ResGetPtr(hRes)) == NULL)
fSuccess = TraceFALSE(NULL);
// search each module for the specified resource
//
else for (hNode = ListGetHeadNode(lpRes->hListModules);
fSuccess && hNode != NULL;
hNode = ListGetNextNode(lpRes->hListModules, hNode))
{
HINSTANCE hInst;
if ((hInst = (HINSTANCE) ListGetAt(lpRes->hListModules, hNode)) == NULL)
fSuccess = TraceFALSE(NULL);
else if ((hIcon = LoadIcon(hInst, lpszIcon)) != NULL)
break; // resource found
}
return fSuccess ? hIcon : NULL;
}
// ResLoadMenu - load specified menu resource
// <hRes> (i) handle returned from ResInit
// <lpszMenu> (i) name of menu resource
// or MAKEINTRESOURCE(idMenu)
// return menu handle if success, otherwise NULL
// NOTE: see documentation for LoadMenu function
//
HMENU DLLEXPORT WINAPI ResLoadMenu(HRES hRes, LPCTSTR lpszMenu)
{
BOOL fSuccess = TRUE;
LPRES lpRes;
HLISTNODE hNode;
HMENU hMenu = NULL;
if ((lpRes = ResGetPtr(hRes)) == NULL)
fSuccess = TraceFALSE(NULL);
// search each module for the specified resource
//
else for (hNode = ListGetHeadNode(lpRes->hListModules);
fSuccess && hNode != NULL;
hNode = ListGetNextNode(lpRes->hListModules, hNode))
{
HINSTANCE hInst;
if ((hInst = (HINSTANCE) ListGetAt(lpRes->hListModules, hNode)) == NULL)
fSuccess = TraceFALSE(NULL);
else if ((hMenu = LoadMenu(hInst, lpszMenu)) != NULL)
break; // resource found
}
return fSuccess ? hMenu : NULL;
}
// ResFindResource - find specified resource
// <hRes> (i) handle returned from ResInit
// <lpszName> (i) resource name
// or MAKEINTRESOURCE(idResource)
// <lpszType> (i) resource type (RT_xxx)
// return resource handle if success, otherwise NULL
// NOTE: see documentation for FindResource function
//
HRSRC DLLEXPORT WINAPI ResFindResource(HRES hRes, LPCTSTR lpszName, LPCTSTR lpszType)
{
BOOL fSuccess = TRUE;
LPRES lpRes;
HLISTNODE hNode;
HRSRC hrsrc = NULL;
if ((lpRes = ResGetPtr(hRes)) == NULL)
fSuccess = TraceFALSE(NULL);
// search each module for the specified resource
//
else for (hNode = ListGetHeadNode(lpRes->hListModules);
fSuccess && hNode != NULL;
hNode = ListGetNextNode(lpRes->hListModules, hNode))
{
HINSTANCE hInst;
if ((hInst = (HINSTANCE) ListGetAt(lpRes->hListModules, hNode)) == NULL)
fSuccess = TraceFALSE(NULL);
else if ((hrsrc = FindResource(hInst, lpszName, lpszType)) != NULL)
break; // resource found
}
return fSuccess ? hrsrc : NULL;
}
// ResLoadResource - load specified resource
// <hRes> (i) handle returned from ResInit
// <hrsrc> (i) handle returned from ResFindResource
// return resource handle if success, otherwise NULL
// NOTE: see documentation for LoadResource function
//
HGLOBAL DLLEXPORT WINAPI ResLoadResource(HRES hRes, HRSRC hrsrc)
{
BOOL fSuccess = TRUE;
LPRES lpRes;
HLISTNODE hNode;
HGLOBAL hGlobal = NULL;
if ((lpRes = ResGetPtr(hRes)) == NULL)
fSuccess = TraceFALSE(NULL);
// search each module for the specified resource
//
else for (hNode = ListGetHeadNode(lpRes->hListModules);
fSuccess && hNode != NULL;
hNode = ListGetNextNode(lpRes->hListModules, hNode))
{
HINSTANCE hInst;
if ((hInst = (HINSTANCE) ListGetAt(lpRes->hListModules, hNode)) == NULL)
fSuccess = TraceFALSE(NULL);
else if ((hGlobal = LoadResource(hInst, hrsrc)) != NULL)
break; // resource found
}
return fSuccess ? hGlobal : NULL;
}
// ResLoadString - load specified string resource
// <hRes> (i) handle returned from ResInit
// <idResource> (i) string id
// <lpszBuffer> (o) buffer to receive the string
// <cbBuffer> (i) buffer size in bytes
// return number of bytes copied to <lpszBuffer>, -1 if error, 0 if not found
// NOTE: see documentation for LoadString function
//
int DLLEXPORT WINAPI ResLoadString(HRES hRes, UINT idResource, LPTSTR lpszBuffer, int cbBuffer)
{
BOOL fSuccess = TRUE;
LPRES lpRes;
HLISTNODE hNode;
int nBytesCopied = 0;
if ((lpRes = ResGetPtr(hRes)) == NULL)
fSuccess = TraceFALSE(NULL);
else if (lpszBuffer == NULL)
fSuccess = TraceFALSE(NULL);
else if (cbBuffer < 0)
fSuccess = TraceFALSE(NULL);
// search each module for the specified resource
//
else for (hNode = ListGetHeadNode(lpRes->hListModules);
fSuccess && hNode != NULL;
hNode = ListGetNextNode(lpRes->hListModules, hNode))
{
HINSTANCE hInst;
if ((hInst = (HINSTANCE) ListGetAt(lpRes->hListModules, hNode)) == NULL)
fSuccess = TraceFALSE(NULL);
else if ((nBytesCopied = LoadString(hInst, idResource, lpszBuffer, cbBuffer)) > 0)
break; // resource found
}
return fSuccess ? nBytesCopied : -1;
}
// ResString - return specified string resource
// <hRes> (i) handle returned from ResInit
// <idResource> (i) string id
// return ptr to string in next available string buffer (NULL if error)
// NOTE: If the the specified id in <idResource> is not found,
// a string in the form "String #<idResource>" is returned.
//
LPTSTR DLLEXPORT WINAPI ResString(HRES hRes, UINT idResource)
{
BOOL fSuccess = TRUE;
LPRES lpRes;
LPTSTR lpszBuf;
if ((lpRes = ResGetPtr(hRes)) == NULL)
fSuccess = TraceFALSE(NULL);
else if ((lpszBuf = StrBufGetNext(lpRes->hStrBuf)) == NULL)
fSuccess = TraceFALSE(NULL);
else if (ResLoadString(hRes, idResource, lpszBuf, lpRes->sizBuf) <= 0)
{
// resource not found; construct a dummy string instead
//
wsprintf(lpszBuf, TEXT("String #%u"), idResource);
}
return fSuccess ? lpszBuf : NULL;
}
// ResCreateDialog - create modeless dialog box from template resource
// <hRes> (i) handle returned from ResInit
// <lpszDlgTemp> (i) dialog box template name
// or MAKEINTRESOURCE(idDlg)
// <hwndOwner> (i) handle of owner window
// <dlgproc> (i) instance address of dialog box procedure
// return dialog box window handle (NULL if error)
// NOTE: see documentation for CreateDialog function
//
HWND DLLEXPORT WINAPI ResCreateDialog(HRES hRes,
LPCTSTR lpszDlgTemp, HWND hwndOwner, DLGPROC dlgproc)
{
BOOL fSuccess = TRUE;
LPRES lpRes;
HLISTNODE hNode;
HWND hwndDlg = NULL;
if ((lpRes = ResGetPtr(hRes)) == NULL)
fSuccess = TraceFALSE(NULL);
// search each module for the specified resource
//
else for (hNode = ListGetHeadNode(lpRes->hListModules);
fSuccess && hNode != NULL;
hNode = ListGetNextNode(lpRes->hListModules, hNode))
{
HINSTANCE hInst;
if ((hInst = (HINSTANCE) ListGetAt(lpRes->hListModules, hNode)) == NULL)
fSuccess = TraceFALSE(NULL);
else if ((hwndDlg = CreateDialog(hInst,
lpszDlgTemp, hwndOwner, dlgproc)) != NULL)
break; // resource found
}
return fSuccess ? hwndDlg : NULL;
}
// ResCreateDialogIndirect - create modeless dialog box from template resource
// <hRes> (i) handle returned from ResInit
// <lpvDlgTemp> (i) dialog box header structure
// <hwndOwner> (i) handle of owner window
// <dlgproc> (i) instance address of dialog box procedure
// return dialog box window handle (NULL if error)
// NOTE: see documentation for CreateDialogIndirect function
//
HWND DLLEXPORT WINAPI ResCreateDialogIndirect(HRES hRes,
const void FAR* lpvDlgTemp, HWND hwndOwner, DLGPROC dlgproc)
{
BOOL fSuccess = TRUE;
LPRES lpRes;
HLISTNODE hNode;
HWND hwndDlg = NULL;
if ((lpRes = ResGetPtr(hRes)) == NULL)
fSuccess = TraceFALSE(NULL);
// search each module for the specified resource
//
else for (hNode = ListGetHeadNode(lpRes->hListModules);
fSuccess && hNode != NULL;
hNode = ListGetNextNode(lpRes->hListModules, hNode))
{
HINSTANCE hInst;
if ((hInst = (HINSTANCE) ListGetAt(lpRes->hListModules, hNode)) == NULL)
fSuccess = TraceFALSE(NULL);
else if ((hwndDlg = CreateDialogIndirect(hInst,
lpvDlgTemp, hwndOwner, dlgproc)) != NULL)
break; // resource found
}
return fSuccess ? hwndDlg : NULL;
}
// ResCreateDialogParam - create modeless dialog box from template resource
// <hRes> (i) handle returned from ResInit
// <lpszDlgTemp> (i) dialog box template name
// or MAKEINTRESOURCE(idDlg)
// <hwndOwner> (i) handle of owner window
// <dlgproc> (i) instance address of dialog box procedure
// <lParamInit> (i) initialization value
// return dialog box window handle (NULL if error)
// NOTE: see documentation for CreateDialogParam function
//
HWND DLLEXPORT WINAPI ResCreateDialogParam(HRES hRes,
LPCTSTR lpszDlgTemp, HWND hwndOwner, DLGPROC dlgproc, LPARAM lParamInit)
{
BOOL fSuccess = TRUE;
LPRES lpRes;
HLISTNODE hNode;
HWND hwndDlg = NULL;
if ((lpRes = ResGetPtr(hRes)) == NULL)
fSuccess = TraceFALSE(NULL);
// search each module for the specified resource
//
else for (hNode = ListGetHeadNode(lpRes->hListModules);
fSuccess && hNode != NULL;
hNode = ListGetNextNode(lpRes->hListModules, hNode))
{
HINSTANCE hInst;
if ((hInst = (HINSTANCE) ListGetAt(lpRes->hListModules, hNode)) == NULL)
fSuccess = TraceFALSE(NULL);
else if ((hwndDlg = CreateDialogParam(hInst,
lpszDlgTemp, hwndOwner, dlgproc, lParamInit)) != NULL)
break; // resource found
}
return fSuccess ? hwndDlg : NULL;
}
// ResCreateDialogIndirectParam - create modeless dialog box from template resource
// <hRes> (i) handle returned from ResInit
// <lpvDlgTemp> (i) dialog box header structure
// <hwndOwner> (i) handle of owner window
// <dlgproc> (i) instance address of dialog box procedure
// <lParamInit> (i) initialization value
// return dialog box window handle (NULL if error)
// NOTE: see documentation for CreateDialogIndirectParam function
//
HWND DLLEXPORT WINAPI ResCreateDialogIndirectParam(HRES hRes,
const void FAR* lpvDlgTemp, HWND hwndOwner, DLGPROC dlgproc, LPARAM lParamInit)
{
BOOL fSuccess = TRUE;
LPRES lpRes;
HLISTNODE hNode;
HWND hwndDlg = NULL;
if ((lpRes = ResGetPtr(hRes)) == NULL)
fSuccess = TraceFALSE(NULL);
// search each module for the specified resource
//
else for (hNode = ListGetHeadNode(lpRes->hListModules);
fSuccess && hNode != NULL;
hNode = ListGetNextNode(lpRes->hListModules, hNode))
{
HINSTANCE hInst;
if ((hInst = (HINSTANCE) ListGetAt(lpRes->hListModules, hNode)) == NULL)
fSuccess = TraceFALSE(NULL);
else if ((hwndDlg = CreateDialogIndirectParam(hInst,
lpvDlgTemp, hwndOwner, dlgproc, lParamInit)) != NULL)
break; // resource found
}
return fSuccess ? hwndDlg : NULL;
}
// ResDialogBox - create modal dialog box from template resource
// <hRes> (i) handle returned from ResInit
// <lpszDlgTemp> (i) dialog box template name
// or MAKEINTRESOURCE(idDlg)
// <hwndOwner> (i) handle of owner window
// <dlgproc> (i) instance address of dialog box procedure
// return dialog box return code (-1 if error)
// NOTE: see documentation for DialogBox function
//
INT_PTR DLLEXPORT WINAPI ResDialogBox(HRES hRes,
LPCTSTR lpszDlgTemp, HWND hwndOwner, DLGPROC dlgproc)
{
BOOL fSuccess = TRUE;
LPRES lpRes;
HLISTNODE hNode;
INT_PTR iRet = -1;
if ((lpRes = ResGetPtr(hRes)) == NULL)
fSuccess = TraceFALSE(NULL);
// search each module for the specified resource
//
else for (hNode = ListGetHeadNode(lpRes->hListModules);
fSuccess && hNode != NULL;
hNode = ListGetNextNode(lpRes->hListModules, hNode))
{
HINSTANCE hInst;
if ((hInst = (HINSTANCE) ListGetAt(lpRes->hListModules, hNode)) == NULL)
fSuccess = TraceFALSE(NULL);
else if ((iRet = DialogBox(hInst,
lpszDlgTemp, hwndOwner, dlgproc)) != -1)
break; // resource found
}
return fSuccess ? iRet : -1;
}
// ResDialogBoxIndirect - create modal dialog box from template resource
// <hRes> (i) handle returned from ResInit
// <hglbDlgTemp> (i) dialog box header structure
// <hwndOwner> (i) handle of owner window
// <dlgproc> (i) instance address of dialog box procedure
// return dialog box return code (-1 if error)
// NOTE: see documentation for DialogBoxIndirect function
//
INT_PTR DLLEXPORT WINAPI ResDialogBoxIndirect(HRES hRes,
HGLOBAL hglbDlgTemp, HWND hwndOwner, DLGPROC dlgproc)
{
BOOL fSuccess = TRUE;
LPRES lpRes;
HLISTNODE hNode;
INT_PTR iRet = -1;
if ((lpRes = ResGetPtr(hRes)) == NULL)
fSuccess = TraceFALSE(NULL);
// search each module for the specified resource
//
else for (hNode = ListGetHeadNode(lpRes->hListModules);
fSuccess && hNode != NULL;
hNode = ListGetNextNode(lpRes->hListModules, hNode))
{
HINSTANCE hInst;
if ((hInst = (HINSTANCE) ListGetAt(lpRes->hListModules, hNode)) == NULL)
fSuccess = TraceFALSE(NULL);
else if ((iRet = DialogBoxIndirect(hInst,
hglbDlgTemp, hwndOwner, dlgproc)) != -1)
break; // resource found
}
return fSuccess ? iRet : -1;
}
// ResDialogBoxParam - create modal dialog box from template resource
// <hRes> (i) handle returned from ResInit
// <lpszDlgTemp> (i) dialog box template name
// or MAKEINTRESOURCE(idDlg)
// <hwndOwner> (i) handle of owner window
// <dlgproc> (i) instance address of dialog box procedure
// <lParamInit> (i) initialization value
// return dialog box return code (-1 if error)
// NOTE: see documentation for DialogBoxParam function
//
INT_PTR DLLEXPORT WINAPI ResDialogBoxParam(HRES hRes,
LPCTSTR lpszDlgTemp, HWND hwndOwner, DLGPROC dlgproc, LPARAM lParamInit)
{
BOOL fSuccess = TRUE;
LPRES lpRes;
HLISTNODE hNode;
INT_PTR iRet = -1;
if ((lpRes = ResGetPtr(hRes)) == NULL)
fSuccess = TraceFALSE(NULL);
// search each module for the specified resource
//
else for (hNode = ListGetHeadNode(lpRes->hListModules);
fSuccess && hNode != NULL;
hNode = ListGetNextNode(lpRes->hListModules, hNode))
{
HINSTANCE hInst;
if ((hInst = (HINSTANCE) ListGetAt(lpRes->hListModules, hNode)) == NULL)
fSuccess = TraceFALSE(NULL);
else if ((iRet = DialogBoxParam(hInst,
lpszDlgTemp, hwndOwner, dlgproc, lParamInit)) != -1)
break; // resource found
}
return fSuccess ? iRet : -1;
}
// ResDialogBoxIndirectParam - create modal dialog box from template resource
// <hRes> (i) handle returned from ResInit
// <hglbDlgTemp> (i) dialog box header structure
// <hwndOwner> (i) handle of owner window
// <dlgproc> (i) instance address of dialog box procedure
// <lParamInit> (i) initialization value
// return dialog box return code (-1 if error)
// NOTE: see documentation for DialogBoxIndirectParam function
//
INT_PTR DLLEXPORT WINAPI ResDialogBoxIndirectParam(HRES hRes,
HGLOBAL hglbDlgTemp, HWND hwndOwner, DLGPROC dlgproc, LPARAM lParamInit)
{
BOOL fSuccess = TRUE;
LPRES lpRes;
HLISTNODE hNode;
INT_PTR iRet = -1;
if ((lpRes = ResGetPtr(hRes)) == NULL)
fSuccess = TraceFALSE(NULL);
// search each module for the specified resource
//
else for (hNode = ListGetHeadNode(lpRes->hListModules);
fSuccess && hNode != NULL;
hNode = ListGetNextNode(lpRes->hListModules, hNode))
{
HINSTANCE hInst;
if ((hInst = (HINSTANCE) ListGetAt(lpRes->hListModules, hNode)) == NULL)
fSuccess = TraceFALSE(NULL);
else if ((iRet = DialogBoxIndirectParam(hInst,
hglbDlgTemp, hwndOwner, dlgproc, lParamInit)) != -1)
break; // resource found
}
return fSuccess ? iRet : -1;
}
// ResGetOpenFileName - display common dialog for selecting a file to open
// <hRes> (i) handle returned from ResInit
// <lpofn> (i/o) address of struct with initialization data
// return non-zero if file chosen, 0 if error or no file chosen
// NOTE: see documentation for GetOpenFileName function
//
BOOL DLLEXPORT WINAPI ResGetOpenFileName(HRES hRes, LPOPENFILENAME lpofn)
{
BOOL fSuccess = TRUE;
BOOL fFound = FALSE;
LPRES lpRes;
HLISTNODE hNode;
if ((lpRes = ResGetPtr(hRes)) == NULL)
fSuccess = TraceFALSE(NULL);
// search each module for the specified resource
//
else for (hNode = ListGetHeadNode(lpRes->hListModules);
fSuccess && hNode != NULL;
hNode = ListGetNextNode(lpRes->hListModules, hNode))
{
HINSTANCE hInst;
if ((hInst = (HINSTANCE) ListGetAt(lpRes->hListModules, hNode)) == NULL)
fSuccess = TraceFALSE(NULL);
else if (FindResource(hInst, lpofn->lpTemplateName, RT_DIALOG) != NULL)
{
fFound = TRUE;
lpofn->hInstance = hInst;
if (!GetOpenFileName(lpofn))
fSuccess = TraceFALSE(NULL);
break;
}
}
if (fSuccess && !fFound)
fSuccess = TraceFALSE(NULL);
return fSuccess;
}
// ResGetSaveFileName - display common dialog for selecting a file to save
// <hRes> (i) handle returned from ResInit
// <lpofn> (i/o) address of struct with initialization data
// return non-zero if file chosen, 0 if error or no file chosen
// NOTE: see documentation for GetSaveFileName function
//
BOOL DLLEXPORT WINAPI ResGetSaveFileName(HRES hRes, LPOPENFILENAME lpofn)
{
BOOL fSuccess = TRUE;
BOOL fFound = FALSE;
LPRES lpRes;
HLISTNODE hNode;
if ((lpRes = ResGetPtr(hRes)) == NULL)
fSuccess = TraceFALSE(NULL);
// search each module for the specified resource
//
else for (hNode = ListGetHeadNode(lpRes->hListModules);
fSuccess && hNode != NULL;
hNode = ListGetNextNode(lpRes->hListModules, hNode))
{
HINSTANCE hInst;
if ((hInst = (HINSTANCE) ListGetAt(lpRes->hListModules, hNode)) == NULL)
fSuccess = TraceFALSE(NULL);
else if (FindResource(hInst, lpofn->lpTemplateName, RT_DIALOG) != NULL)
{
fFound = TRUE;
lpofn->hInstance = hInst;
if (!GetSaveFileName(lpofn))
fSuccess = TraceFALSE(NULL);
break;
}
}
if (fSuccess && !fFound)
fSuccess = TraceFALSE(NULL);
return fSuccess;
}
////
// helper functions
////
// ResGetPtr - verify that res handle is valid,
// <hRes> (i) handle returned from ResInit
// return corresponding res pointer (NULL if error)
//
static LPRES ResGetPtr(HRES hRes)
{
BOOL fSuccess = TRUE;
LPRES lpRes;
if ((lpRes = (LPRES) hRes) == NULL)
fSuccess = TraceFALSE(NULL);
else if (IsBadWritePtr(lpRes, sizeof(RES)))
fSuccess = TraceFALSE(NULL);
#ifdef CHECKTASK
// make sure current task owns the res handle
//
else if (lpRes->hTask != GetCurrentTask())
fSuccess = TraceFALSE(NULL);
#endif
return fSuccess ? lpRes : NULL;
}
// ResGetHandle - verify that res pointer is valid,
// <lpRes> (i) pointer to RES struct
// return corresponding res handle (NULL if error)
//
static HRES ResGetHandle(LPRES lpRes)
{
BOOL fSuccess = TRUE;
HRES hRes;
if ((hRes = (HRES) lpRes) == NULL)
fSuccess = TraceFALSE(NULL);
return fSuccess ? hRes : NULL;
}