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/*
* INSOBJ.CPP * * Implements the OleUIInsertObject function which invokes the complete * Insert Object dialog. Makes use of the OleChangeIcon function in * ICON.CPP. * * Copyright (c)1993 Microsoft Corporation, All Rights Reserved */
#include "precomp.h"
#include "common.h"
#include <commdlg.h>
#include <memory.h>
#include <dos.h>
#include <stdlib.h>
#include <reghelp.hxx>
#include "utility.h"
#include "resimage.h"
#include "iconbox.h"
#include "strcache.h"
OLEDBGDATA
#if USE_STRING_CACHE==1
extern CStringCache gInsObjStringCache; //defined in strcache.cpp
DWORD g_dwOldListType = 0;#endif
// Internally used structure
typedef struct tagINSERTOBJECT{ LPOLEUIINSERTOBJECT lpOIO; // Original structure passed.
UINT nIDD; // IDD of dialog (used for help info)
/*
* What we store extra in this structure besides the original caller's * pointer are those fields that we need to modify during the life of * the dialog but that we don't want to change in the original structure * until the user presses OK. */ DWORD dwFlags; CLSID clsid; TCHAR szFile[MAX_PATH]; BOOL fFileSelected; // Enables Display As Icon for links
BOOL fAsIconNew; BOOL fAsIconFile; BOOL fFileDirty; BOOL fFileValid; UINT nErrCode; HGLOBAL hMetaPictFile; UINT nBrowseHelpID; // Help ID callback for Browse dlg
BOOL bObjectListFilled; BOOL bControlListFilled; BOOL bControlListActive;
} INSERTOBJECT, *PINSERTOBJECT, FAR *LPINSERTOBJECT;
// Internal function prototypes
// INSOBJ.CPP
void EnableChangeIconButton(HWND hDlg, BOOL fEnable);INT_PTR CALLBACK InsertObjectDialogProc(HWND, UINT, WPARAM, LPARAM);BOOL FInsertObjectInit(HWND, WPARAM, LPARAM);UINT UFillClassList(HWND, UINT, LPCLSID, BOOL, BOOL);LRESULT URefillClassList(HWND, LPINSERTOBJECT);BOOL FToggleObjectSource(HWND, LPINSERTOBJECT, DWORD);void UpdateClassType(HWND, LPINSERTOBJECT, BOOL);void SetInsertObjectResults(HWND, LPINSERTOBJECT);BOOL FValidateInsertFile(HWND, BOOL, UINT FAR*);void InsertObjectCleanup(HWND);static void UpdateClassIcon(HWND hDlg, LPINSERTOBJECT lpIO, HWND hList);BOOL CALLBACK HookDlgProc(HWND, UINT, WPARAM, LPARAM);
#define IS_FILENAME_DELIM(c) ( (c) == '\\' || (c) == '/' || (c) == ':')
BOOL CALLBACK HookDlgProc(HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam){#ifdef CHICO
switch (uMsg) { case WM_INITDIALOG: TCHAR szTemp[MAX_PATH]; LoadString(_g_hOleStdResInst, IDS_INSERT , szTemp, MAX_PATH); CommDlg_OpenSave_SetControlText(GetParent(hDlg), IDOK, szTemp); return(TRUE); default: break; }#endif
return(FALSE);}
/*
* OleUIInsertObject * * Purpose: * Invokes the standard OLE Insert Object dialog box allowing the * user to select an object source and classname as well as the option * to display the object as itself or as an icon. * * Parameters: * lpIO LPOLEUIINSERTOBJECT pointing to the in-out structure * for this dialog. * * Return Value: * UINT OLEUI_SUCCESS or OLEUI_OK if all is well, otherwise * an error value. */
STDAPI_(UINT) OleUIInsertObject(LPOLEUIINSERTOBJECT lpIO){ HGLOBAL hMemDlg = NULL; UINT uRet = UStandardValidation((LPOLEUISTANDARD)lpIO, sizeof(OLEUIINSERTOBJECT), &hMemDlg);
if (OLEUI_SUCCESS != uRet) return uRet;
//Now we can do Insert Object specific validation.
if (NULL != lpIO->lpszFile && (lpIO->cchFile <= 0 || lpIO->cchFile > MAX_PATH)) { uRet = OLEUI_IOERR_CCHFILEINVALID; }
// NULL is NOT valid for lpszFile
if (lpIO->lpszFile == NULL) { uRet = OLEUI_IOERR_LPSZFILEINVALID; } else { if (IsBadWritePtr(lpIO->lpszFile, lpIO->cchFile*sizeof(TCHAR))) uRet = OLEUI_IOERR_LPSZFILEINVALID; }
if (0 != lpIO->cClsidExclude && IsBadReadPtr(lpIO->lpClsidExclude, lpIO->cClsidExclude * sizeof(CLSID))) { uRet = OLEUI_IOERR_LPCLSIDEXCLUDEINVALID; }
//If we have flags to create any object, validate necessary data.
if (lpIO->dwFlags & (IOF_CREATENEWOBJECT | IOF_CREATEFILEOBJECT | IOF_CREATELINKOBJECT)) { if (NULL != lpIO->lpFormatEtc && IsBadReadPtr(lpIO->lpFormatEtc, sizeof(FORMATETC))) uRet = OLEUI_IOERR_LPFORMATETCINVALID;
if (NULL != lpIO->ppvObj && IsBadWritePtr(lpIO->ppvObj, sizeof(LPVOID))) uRet = OLEUI_IOERR_PPVOBJINVALID;
if (NULL != lpIO->lpIOleClientSite && IsBadReadPtr(*(VOID**)&lpIO->lpIOleClientSite, sizeof(DWORD))) uRet = OLEUI_IOERR_LPIOLECLIENTSITEINVALID;
if (NULL != lpIO->lpIStorage && IsBadReadPtr(*(VOID**)&lpIO->lpIStorage, sizeof(DWORD))) uRet = OLEUI_IOERR_LPISTORAGEINVALID; }
if (OLEUI_ERR_STANDARDMIN <= uRet) { return uRet; }#if USE_STRING_CACHE==1
// Inform the string cache about a fresh InsertObject invocation.
gInsObjStringCache.NewCall(lpIO->dwFlags, lpIO->cClsidExclude);#endif
//Now that we've validated everything, we can invoke the dialog.
uRet = UStandardInvocation(InsertObjectDialogProc, (LPOLEUISTANDARD)lpIO, hMemDlg, MAKEINTRESOURCE(IDD_INSERTOBJECT));
//Stop here if we cancelled or had an error.
if (OLEUI_SUCCESS !=uRet && OLEUI_OK!=uRet) return uRet;
/*
* If any of the flags specify that we're to create objects on return * from this dialog, then do so. If we encounter an error in this * processing, we return OLEUI_IOERR_SCODEHASERROR. Since the * three select flags are mutually exclusive, we don't have to * if...else here, just if each case (keeps things cleaner that way). */
lpIO->sc = S_OK;
// Check if Create New was selected and we have IOF_CREATENEWOBJECT
if ((lpIO->dwFlags & (IOF_SELECTCREATENEW|IOF_SELECTCREATECONTROL)) && (lpIO->dwFlags & IOF_CREATENEWOBJECT)) { HRESULT hrErr = OleCreate(lpIO->clsid, lpIO->iid, lpIO->oleRender, lpIO->lpFormatEtc, lpIO->lpIOleClientSite, lpIO->lpIStorage, lpIO->ppvObj); lpIO->sc = GetScode(hrErr); }
// Try Create From File
if ((lpIO->dwFlags & IOF_SELECTCREATEFROMFILE)) { if (!(lpIO->dwFlags & IOF_CHECKLINK) && (lpIO->dwFlags & IOF_CREATEFILEOBJECT)) { HRESULT hrErr=OleCreateFromFile(CLSID_NULL, lpIO->lpszFile, lpIO->iid, lpIO->oleRender, lpIO->lpFormatEtc, lpIO->lpIOleClientSite, lpIO->lpIStorage, lpIO->ppvObj); lpIO->sc = GetScode(hrErr); }
if ((lpIO->dwFlags & IOF_CHECKLINK) && (lpIO->dwFlags & IOF_CREATELINKOBJECT)) { HRESULT hrErr=OleCreateLinkToFile(lpIO->lpszFile, lpIO->iid, lpIO->oleRender, lpIO->lpFormatEtc, lpIO->lpIOleClientSite, lpIO->lpIStorage, lpIO->ppvObj); lpIO->sc = GetScode(hrErr); } }
//If we tried but failed a create option, then return the appropriate error
if (S_OK != lpIO->sc) uRet = OLEUI_IOERR_SCODEHASERROR;
return uRet;}
/*
* InsertObjectDialogProc * * Purpose: * Implements the OLE Insert Object dialog as invoked through the * OleUIInsertObject function. */
INT_PTR CALLBACK InsertObjectDialogProc(HWND hDlg, UINT iMsg, WPARAM wParam, LPARAM lParam){ // Declare Win16/Win32 compatible WM_COMMAND parameters.
COMMANDPARAMS(wID, wCode, hWndMsg);
// This will fail under WM_INITDIALOG, where we allocate it.
UINT uRet = 0; LPINSERTOBJECT lpIO = (LPINSERTOBJECT)LpvStandardEntry(hDlg, iMsg, wParam, lParam, &uRet);
// If the hook processed the message, we're done.
if (0 != uRet) return (BOOL)uRet;
// Process help message from Change Icon
if (iMsg == uMsgHelp) { if (lpIO && (lpIO->lpOIO)) PostMessage(lpIO->lpOIO->hWndOwner, uMsgHelp, wParam, lParam); return FALSE; }
// Process the temination message
if (iMsg == uMsgEndDialog) { EndDialog(hDlg, wParam); return TRUE; }
// The following messages do not require lpio to be non-null.
switch (iMsg) { case WM_INITDIALOG: return FInsertObjectInit(hDlg, wParam, lParam); }
// The following messages DO require lpIO to be non-null, so don't
// continue processing if lpIO is NULL.
if (NULL == lpIO) return FALSE;
switch (iMsg) { case WM_DESTROY: InsertObjectCleanup(hDlg); StandardCleanup(lpIO, hDlg); break;
case WM_COMMAND: switch (wID) { case IDC_IO_CREATENEW: if (1 == IsDlgButtonChecked(hDlg, IDC_IO_CREATENEW)) { FToggleObjectSource(hDlg, lpIO, IOF_SELECTCREATENEW); SetFocus(GetDlgItem(hDlg, IDC_IO_CREATENEW)); } break; case IDC_IO_CREATEFROMFILE: if (1 == IsDlgButtonChecked(hDlg, IDC_IO_CREATEFROMFILE)) { FToggleObjectSource(hDlg, lpIO, IOF_SELECTCREATEFROMFILE); SetFocus(GetDlgItem(hDlg, IDC_IO_CREATEFROMFILE)); } break; case IDC_IO_INSERTCONTROL: if (1 == IsDlgButtonChecked(hDlg, IDC_IO_INSERTCONTROL)) { FToggleObjectSource(hDlg, lpIO, IOF_SELECTCREATECONTROL); SetFocus(GetDlgItem(hDlg, IDC_IO_INSERTCONTROL)); } break; case IDC_IO_LINKFILE: { BOOL fCheck=IsDlgButtonChecked(hDlg, wID); if (fCheck) lpIO->dwFlags |=IOF_CHECKLINK; else lpIO->dwFlags &=~IOF_CHECKLINK; // Results change here, so be sure to update it.
SetInsertObjectResults(hDlg, lpIO); UpdateClassIcon(hDlg, lpIO, NULL); } break;
case IDC_IO_OBJECTTYPELIST: switch (wCode) { case LBN_SELCHANGE: UpdateClassIcon(hDlg, lpIO, hWndMsg); SetInsertObjectResults(hDlg, lpIO); break; case LBN_DBLCLK: SendCommand(hDlg, IDOK, BN_CLICKED, hWndMsg); break; } break;
case IDC_IO_FILEDISPLAY: // If there are characters, enable OK and Display As Icon
if (EN_CHANGE == wCode) { lpIO->fFileDirty = TRUE; lpIO->fFileValid = FALSE; lpIO->fFileSelected = (0L != SendMessage(hWndMsg, EM_LINELENGTH, 0, 0L)); StandardEnableDlgItem(hDlg, IDC_IO_LINKFILE, lpIO->fFileSelected); StandardEnableDlgItem(hDlg, IDC_IO_DISPLAYASICON, lpIO->fFileSelected); EnableChangeIconButton(hDlg, lpIO->fFileSelected); StandardEnableDlgItem(hDlg, IDOK, lpIO->fFileSelected); } if (EN_KILLFOCUS == wCode && NULL != lpIO) { if (FValidateInsertFile(hDlg, FALSE, &lpIO->nErrCode)) { lpIO->fFileDirty = FALSE; lpIO->fFileValid = TRUE; UpdateClassIcon(hDlg, lpIO, NULL); UpdateClassType(hDlg, lpIO, TRUE); } else { lpIO->fFileDirty = FALSE; lpIO->fFileValid = FALSE; UpdateClassType(hDlg, lpIO, FALSE); } } break;
case IDC_IO_DISPLAYASICON: { BOOL fCheck = IsDlgButtonChecked(hDlg, wID); if (fCheck) lpIO->dwFlags |=IOF_CHECKDISPLAYASICON; else lpIO->dwFlags &=~IOF_CHECKDISPLAYASICON; // Update the internal flag based on this checking
if (lpIO->dwFlags & IOF_SELECTCREATENEW) lpIO->fAsIconNew = fCheck; else lpIO->fAsIconFile = fCheck; // Re-read the class icon on Display checked
if (fCheck) { if (lpIO->dwFlags & IOF_SELECTCREATEFROMFILE) { if (FValidateInsertFile(hDlg, TRUE,&lpIO->nErrCode)) { lpIO->fFileDirty = FALSE; lpIO->fFileValid = TRUE; UpdateClassIcon(hDlg, lpIO, GetDlgItem(hDlg, IDC_IO_OBJECTTYPELIST)); UpdateClassType(hDlg, lpIO, TRUE); } else { lpIO->fAsIconFile= FALSE; lpIO->fFileDirty = FALSE; lpIO->fFileValid = FALSE; SendDlgItemMessage(hDlg, IDC_IO_ICONDISPLAY, IBXM_IMAGESET, 0, 0L); UpdateClassType(hDlg, lpIO, FALSE); lpIO->dwFlags &=~IOF_CHECKDISPLAYASICON; CheckDlgButton(hDlg, IDC_IO_DISPLAYASICON, 0); HWND hWndEC = GetDlgItem(hDlg, IDC_IO_FILEDISPLAY); SetFocus(hWndEC); SendMessage(hWndEC, EM_SETSEL, 0, -1); return TRUE; } } else UpdateClassIcon(hDlg, lpIO, GetDlgItem(hDlg, IDC_IO_OBJECTTYPELIST)); } // Results change here, so be sure to update it.
SetInsertObjectResults(hDlg, lpIO);
/*
* Show or hide controls as appropriate. Do the icon * display last because it will take some time to repaint. * If we do it first then the dialog looks too sluggish. */ UINT i = (fCheck) ? SW_SHOWNORMAL : SW_HIDE; StandardShowDlgItem(hDlg, IDC_IO_ICONDISPLAY, i); StandardShowDlgItem(hDlg, IDC_IO_CHANGEICON, i); EnableChangeIconButton(hDlg, fCheck); } break;
case IDC_IO_CHANGEICON: { // if we're in SELECTCREATEFROMFILE mode, then we need to Validate
// the contents of the edit control first.
if (lpIO->dwFlags & IOF_SELECTCREATEFROMFILE) { if (lpIO->fFileDirty && !FValidateInsertFile(hDlg, TRUE, &lpIO->nErrCode)) { HWND hWndEC; lpIO->fFileValid = FALSE; hWndEC = GetDlgItem(hDlg, IDC_IO_FILEDISPLAY); SetFocus(hWndEC); SendMessage(hWndEC, EM_SETSEL, 0, -1); return TRUE; } else { lpIO->fFileDirty = FALSE; } } // Initialize the structure for the hook.
OLEUICHANGEICON ci; memset(&ci, 0, sizeof(ci)); ci.cbStruct = sizeof(ci); ci.hMetaPict = (HGLOBAL)SendDlgItemMessage(hDlg, IDC_IO_ICONDISPLAY, IBXM_IMAGEGET, 0, 0L); ci.hWndOwner= hDlg; ci.dwFlags = CIF_SELECTCURRENT; if (lpIO->dwFlags & IOF_SHOWHELP) ci.dwFlags |= CIF_SHOWHELP; HWND hList = GetDlgItem(hDlg, IDC_IO_OBJECTTYPELIST); int iCurSel = (int)SendMessage(hList, LB_GETCURSEL, 0, 0L); if (lpIO->dwFlags & IOF_SELECTCREATENEW) { LPTSTR pszString = (LPTSTR)OleStdMalloc( OLEUI_CCHKEYMAX_SIZE + OLEUI_CCHCLSIDSTRING_SIZE); SendMessage(hList, LB_GETTEXT, iCurSel, (LPARAM)pszString); LPTSTR pszCLSID = PointerToNthField(pszString, 2, '\t'); CLSIDFromString(pszCLSID, &ci.clsid); OleStdFree((LPVOID)pszString); } else // IOF_SELECTCREATEFROMFILE
{ TCHAR szFileName[MAX_PATH]; GetDlgItemText(hDlg, IDC_IO_FILEDISPLAY, szFileName, MAX_PATH); if (S_OK != GetClassFile(szFileName, &ci.clsid)) { int istrlen = lstrlen(szFileName); LPTSTR lpszExtension = szFileName + istrlen -1;
while (lpszExtension > szFileName && *lpszExtension != '.') { lpszExtension = CharPrev(szFileName, lpszExtension); }
GetAssociatedExecutable(lpszExtension, ci.szIconExe, sizeof(ci.szIconExe)/sizeof(ci.szIconExe[0])); ci.cchIconExe = lstrlen(ci.szIconExe); ci.dwFlags |= CIF_USEICONEXE; } }
// Let the hook in to customize Change Icon if desired.
uRet = UStandardHook(lpIO, hDlg, uMsgChangeIcon, 0, (LPARAM)&ci);
if (0 == uRet) uRet = (UINT)(OLEUI_OK == OleUIChangeIcon(&ci)); // Update the display and itemdata if necessary.
if (0 != uRet) { /*
* OleUIChangeIcon will have already freed our * current hMetaPict that we passed in when OK is * pressed in that dialog. So we use 0L as lParam * here so the IconBox doesn't try to free the * metafilepict again. */ SendDlgItemMessage(hDlg, IDC_IO_ICONDISPLAY, IBXM_IMAGESET, 0, (LPARAM)ci.hMetaPict); if (lpIO->dwFlags & IOF_SELECTCREATENEW) SendMessage(hList, LB_SETITEMDATA, iCurSel, (LPARAM)ci.hMetaPict); } } break;
case IDC_IO_FILE: { /*
* To allow the hook to customize the browse dialog, we * send OLEUI_MSG_BROWSE. If the hook returns FALSE * we use the default, otherwise we trust that it retrieved * a filename for us. This mechanism prevents hooks from * trapping IDC_IO_BROWSE to customize the dialog and from * trying to figure out what we do after we have the name. */ TCHAR szTemp[MAX_PATH]; int nChars = GetDlgItemText(hDlg, IDC_IO_FILEDISPLAY, szTemp, MAX_PATH); TCHAR szInitialDir[MAX_PATH]; BOOL fUseInitialDir = FALSE; if (FValidateInsertFile(hDlg, FALSE, &lpIO->nErrCode)) { StandardGetFileTitle(szTemp, lpIO->szFile, MAX_PATH); int istrlen = lstrlen(lpIO->szFile); lstrcpyn(szInitialDir, szTemp, nChars - istrlen); fUseInitialDir = TRUE; } else // file name isn't valid...lop off end of szTemp to get a
// valid directory
{ TCHAR szBuffer[MAX_PATH]; lstrcpyn(szBuffer, szTemp, sizeof(szBuffer)/sizeof(TCHAR)); if ('\\' == szBuffer[nChars-1]) szBuffer[nChars-1] = '\0'; DWORD Attribs = GetFileAttributes(szBuffer); if (Attribs != 0xffffffff && (Attribs & FILE_ATTRIBUTE_DIRECTORY) ) { lstrcpy(szInitialDir, szBuffer); fUseInitialDir = TRUE; } *lpIO->szFile = '\0'; } uRet = UStandardHook(lpIO, hDlg, uMsgBrowse, MAX_PATH, (LPARAM)(LPSTR)lpIO->szFile);
if (0 == uRet) { DWORD dwOfnFlags = OFN_FILEMUSTEXIST | OFN_ENABLEHOOK; if (lpIO->lpOIO->dwFlags & IOF_SHOWHELP) dwOfnFlags |= OFN_SHOWHELP; uRet = (UINT)Browse(hDlg, lpIO->szFile, fUseInitialDir ? szInitialDir : NULL, MAX_PATH, IDS_FILTERS, dwOfnFlags, ID_BROWSE_INSERTFILE, (LPOFNHOOKPROC)HookDlgProc); } // Only update if the file changed.
if (0 != uRet && 0 != lstrcmpi(szTemp, lpIO->szFile)) { SetDlgItemText(hDlg, IDC_IO_FILEDISPLAY, lpIO->szFile); lpIO->fFileSelected=TRUE; if (FValidateInsertFile(hDlg, TRUE, &lpIO->nErrCode)) { lpIO->fFileDirty = FALSE; lpIO->fFileValid = TRUE; UpdateClassIcon(hDlg, lpIO, NULL); UpdateClassType(hDlg, lpIO, TRUE); // auto set OK to be default button if valid file
SendMessage(hDlg, DM_SETDEFID, (WPARAM)GetDlgItem(hDlg, IDOK), 0L); SetFocus(GetDlgItem(hDlg, IDOK)); } else // filename is invalid - set focus back to ec
{ HWND hWnd; lpIO->fFileDirty = FALSE; lpIO->fFileValid = FALSE; hWnd = GetDlgItem(hDlg, IDC_IO_FILEDISPLAY); SetFocus(hWnd); SendMessage(hWnd, EM_SETSEL, 0, -1); }
// Once we have a file, Display As Icon is always enabled
StandardEnableDlgItem(hDlg, IDC_IO_DISPLAYASICON, TRUE); // As well as OK
StandardEnableDlgItem(hDlg, IDOK, TRUE); } } break;
case IDC_IO_ADDCONTROL: { TCHAR szFileName[MAX_PATH]; szFileName[0] = 0; // allow hook to customize
uRet = UStandardHook(lpIO, hDlg, uMsgAddControl, MAX_PATH, (LPARAM)szFileName); if (0 == uRet) { DWORD dwOfnFlags = OFN_FILEMUSTEXIST | OFN_ENABLEHOOK; if (lpIO->lpOIO->dwFlags & IOF_SHOWHELP) dwOfnFlags |= OFN_SHOWHELP; uRet = (UINT)Browse(hDlg, szFileName, NULL, MAX_PATH, IDS_OCX_FILTERS, dwOfnFlags, ID_BROWSE_ADDCONTROL , (LPOFNHOOKPROC)HookDlgProc); } if (0 != uRet) { // try to register the control DLL
HINSTANCE hInst = LoadLibrary(szFileName); if (hInst == NULL) { PopupMessage(hDlg, IDS_ADDCONTROL, IDS_CANNOTLOADOCX, MB_OK | MB_ICONEXCLAMATION); break; } HRESULT (FAR STDAPICALLTYPE* lpfn)(void); (FARPROC&)lpfn = GetProcAddress(hInst, "DllRegisterServer"); if (lpfn == NULL) { PopupMessage(hDlg, IDS_ADDCONTROL, IDS_NODLLREGISTERSERVER, MB_OK | MB_ICONEXCLAMATION); FreeLibrary(hInst); break; } if (FAILED((*lpfn)())) { PopupMessage(hDlg, IDS_ADDCONTROL, IDS_DLLREGISTERFAILED, MB_OK | MB_ICONEXCLAMATION); FreeLibrary(hInst); break; } // cleanup the DLL from memory
FreeLibrary(hInst); // registered successfully -- refill the list box
lpIO->bControlListFilled = FALSE; lpIO->bObjectListFilled = FALSE; URefillClassList(hDlg, lpIO); } } break;
case IDOK: { if ((HWND)lParam != GetFocus()) SetFocus((HWND)lParam); // If the file name is clean (already validated), or
// if Create New is selected, then we can skip this part.
if ((lpIO->dwFlags & IOF_SELECTCREATEFROMFILE) && lpIO->fFileDirty) { if (FValidateInsertFile(hDlg, TRUE, &lpIO->nErrCode)) { lpIO->fFileDirty = FALSE; lpIO->fFileValid = TRUE; UpdateClassIcon(hDlg, lpIO, NULL); UpdateClassType(hDlg, lpIO, TRUE); } else // filename is invalid - set focus back to ec
{ HWND hWnd; lpIO->fFileDirty = FALSE; lpIO->fFileValid = FALSE; hWnd = GetDlgItem(hDlg, IDC_IO_FILEDISPLAY); SetFocus(hWnd); SendMessage(hWnd, EM_SETSEL, 0, -1); UpdateClassType(hDlg, lpIO, FALSE); } return TRUE; // eat this message
} else if ((lpIO->dwFlags & IOF_SELECTCREATEFROMFILE) && !lpIO->fFileValid) { // filename is invalid - set focus back to ec
HWND hWnd; TCHAR szFile[MAX_PATH]; if (0 != GetDlgItemText(hDlg, IDC_IO_FILEDISPLAY, szFile, MAX_PATH)) { OpenFileError(hDlg, lpIO->nErrCode, szFile); } lpIO->fFileDirty = FALSE; lpIO->fFileValid = FALSE; hWnd = GetDlgItem(hDlg, IDC_IO_FILEDISPLAY); SetFocus(hWnd); SendMessage(hWnd, EM_SETSEL, 0, -1); UpdateClassType(hDlg, lpIO, FALSE); return TRUE; // eat this message
} // Copy the necessary information back to the original struct
LPOLEUIINSERTOBJECT lpOIO = lpIO->lpOIO; lpOIO->dwFlags = lpIO->dwFlags; if (lpIO->dwFlags & (IOF_SELECTCREATENEW|IOF_SELECTCREATECONTROL)) { HWND hListBox = GetDlgItem(hDlg, IDC_IO_OBJECTTYPELIST); UINT iCurSel = (UINT)SendMessage(hListBox, LB_GETCURSEL, 0, 0); if (lpIO->dwFlags & IOF_CHECKDISPLAYASICON) { lpOIO->hMetaPict=(HGLOBAL)SendMessage(hListBox, LB_GETITEMDATA, iCurSel, 0L); /*
* Set the item data to 0 here so that the cleanup * code doesn't delete the metafile. */ SendMessage(hListBox, LB_SETITEMDATA, iCurSel, 0L); } else lpOIO->hMetaPict = (HGLOBAL)NULL; TCHAR szBuffer[OLEUI_CCHKEYMAX+OLEUI_CCHCLSIDSTRING]; SendMessage(hListBox, LB_GETTEXT, iCurSel, (LPARAM)szBuffer); LPTSTR lpszCLSID = PointerToNthField(szBuffer, 2, '\t'); CLSIDFromString(lpszCLSID, &lpOIO->clsid); } else // IOF_SELECTCREATEFROMFILE
{ if (lpIO->dwFlags & IOF_CHECKDISPLAYASICON) { // get metafile here
lpOIO->hMetaPict = (HGLOBAL)SendDlgItemMessage( hDlg, IDC_IO_ICONDISPLAY, IBXM_IMAGEGET, 0, 0L); } else lpOIO->hMetaPict = (HGLOBAL)NULL; } GetDlgItemText(hDlg, IDC_IO_FILEDISPLAY, lpIO->szFile, lpOIO->cchFile); lstrcpyn(lpOIO->lpszFile, lpIO->szFile, lpOIO->cchFile); SendMessage(hDlg, uMsgEndDialog, OLEUI_OK, 0L); } break; case IDCANCEL: SendMessage(hDlg, uMsgEndDialog, OLEUI_CANCEL, 0L); break; case IDC_OLEUIHELP: PostMessage(lpIO->lpOIO->hWndOwner, uMsgHelp, (WPARAM)hDlg, MAKELPARAM(IDD_INSERTOBJECT, 0)); break; } break; default: if (iMsg == lpIO->nBrowseHelpID) { PostMessage(lpIO->lpOIO->hWndOwner, uMsgHelp, (WPARAM)hDlg, MAKELPARAM(IDD_INSERTFILEBROWSE, 0)); } if (iMsg == uMsgBrowseOFN && lpIO->lpOIO && lpIO->lpOIO->hWndOwner) { SendMessage(lpIO->lpOIO->hWndOwner, uMsgBrowseOFN, wParam, lParam); } break; }
return FALSE;}
//+---------------------------------------------------------------------------
//
// Function: CheckButton
//
// Synopsis: Handles checking the radio buttons
//
// Arguments: [hDlg] - dialog handle
// [iID] - ID of the button to check
//
// Returns: nothing
//
// History: 1-19-95 stevebl Created
//
// Notes: Used in place of CheckRadioButtons to avoid a GP fault under
// win32s that arises from IDC_IO_CREATENEW, IDC_IO_CREATEFROMFILE
// and IDC_IO_INSERTCONTROL not being contiguous.
//
//----------------------------------------------------------------------------
void CheckButton(HWND hDlg, int iID){ CheckDlgButton(hDlg, IDC_IO_CREATENEW, iID == IDC_IO_CREATENEW ? 1 : 0); CheckDlgButton(hDlg, IDC_IO_CREATEFROMFILE, iID == IDC_IO_CREATEFROMFILE ? 1 : 0); CheckDlgButton(hDlg, IDC_IO_INSERTCONTROL, iID == IDC_IO_INSERTCONTROL ? 1 : 0);}
/*
* FInsertObjectInit * * Purpose: * WM_INITIDIALOG handler for the Insert Object dialog box. * * Parameters: * hDlg HWND of the dialog * wParam WPARAM of the message * lParam LPARAM of the message * * Return Value: * BOOL Value to return for WM_INITDIALOG. */BOOL FInsertObjectInit(HWND hDlg, WPARAM wParam, LPARAM lParam){ // Copy the structure at lParam into our instance memory.
HFONT hFont; LPINSERTOBJECT lpIO = (LPINSERTOBJECT)LpvStandardInit(hDlg, sizeof(INSERTOBJECT), &hFont);
// PvStandardInit send a termination to us already.
if (NULL == lpIO) return FALSE;
LPOLEUIINSERTOBJECT lpOIO = (LPOLEUIINSERTOBJECT)lParam;
// Save the original pointer and copy necessary information.
lpIO->lpOIO = lpOIO; lpIO->nIDD = IDD_INSERTOBJECT; lpIO->dwFlags = lpOIO->dwFlags; lpIO->clsid = lpOIO->clsid;
if ((lpOIO->lpszFile) && ('\0' != *lpOIO->lpszFile)) lstrcpyn(lpIO->szFile, lpOIO->lpszFile, MAX_PATH); else *(lpIO->szFile) = '\0';
lpIO->hMetaPictFile = (HGLOBAL)NULL;
// If we got a font, send it to the necessary controls.
if (NULL != hFont) { SendDlgItemMessage(hDlg, IDC_IO_RESULTTEXT, WM_SETFONT, (WPARAM)hFont, 0L); SendDlgItemMessage(hDlg, IDC_IO_FILETYPE, WM_SETFONT, (WPARAM)hFont, 0L); }
// Initilize the file name display to cwd if we don't have any name.
if ('\0' == *(lpIO->szFile)) { TCHAR szCurDir[MAX_PATH]; int nLen; GetCurrentDirectory(MAX_PATH, szCurDir); nLen = lstrlen(szCurDir); if (nLen != 0 && szCurDir[nLen-1] != '\\') lstrcat(szCurDir, _T("\\")); SetDlgItemText(hDlg, IDC_IO_FILEDISPLAY, szCurDir); lpIO->fFileDirty = TRUE; // cwd is not a valid filename
} else { SetDlgItemText(hDlg, IDC_IO_FILEDISPLAY, lpIO->szFile); if (FValidateInsertFile(hDlg, FALSE, &lpIO->nErrCode)) { lpIO->fFileDirty = FALSE; lpIO->fFileValid = TRUE; } else { lpIO->fFileDirty = TRUE; lpIO->fFileValid = FALSE; } }
// Initialize radio button and related controls
if (lpIO->dwFlags & IOF_CHECKDISPLAYASICON) { if (lpIO->dwFlags & IOF_SELECTCREATENEW) lpIO->fAsIconNew = TRUE; else lpIO->fAsIconFile = TRUE; } if (lpIO->dwFlags & IOF_SELECTCREATENEW) CheckButton(hDlg, IDC_IO_CREATENEW); if (lpIO->dwFlags & IOF_SELECTCREATEFROMFILE) CheckButton(hDlg, IDC_IO_CREATEFROMFILE); if (lpIO->dwFlags & IOF_SELECTCREATECONTROL) CheckButton(hDlg, IDC_IO_INSERTCONTROL); CheckDlgButton(hDlg, IDC_IO_LINKFILE, (BOOL)(0L != (lpIO->dwFlags & IOF_CHECKLINK)));
lpIO->dwFlags &= ~(IOF_SELECTCREATENEW|IOF_SELECTCREATEFROMFILE|IOF_SELECTCREATECONTROL); FToggleObjectSource(hDlg, lpIO, lpOIO->dwFlags & (IOF_SELECTCREATENEW|IOF_SELECTCREATEFROMFILE|IOF_SELECTCREATECONTROL));
// Show or hide the help button
if (!(lpIO->dwFlags & IOF_SHOWHELP)) StandardShowDlgItem(hDlg, IDC_OLEUIHELP, SW_HIDE);
// Show or hide the Change icon button
if (lpIO->dwFlags & IOF_HIDECHANGEICON) DestroyWindow(GetDlgItem(hDlg, IDC_IO_CHANGEICON));
// Hide Insert Control button if necessary
if (!(lpIO->dwFlags & IOF_SHOWINSERTCONTROL)) StandardShowDlgItem(hDlg, IDC_IO_INSERTCONTROL, SW_HIDE);
// Initialize the result display
UpdateClassIcon(hDlg, lpIO, GetDlgItem(hDlg, IDC_IO_OBJECTTYPELIST)); SetInsertObjectResults(hDlg, lpIO);
// Change the caption
if (NULL!=lpOIO->lpszCaption) SetWindowText(hDlg, lpOIO->lpszCaption);
// Hide all DisplayAsIcon related controls if it should be disabled
if (lpIO->dwFlags & IOF_DISABLEDISPLAYASICON) { StandardShowDlgItem(hDlg, IDC_IO_DISPLAYASICON, SW_HIDE); StandardShowDlgItem(hDlg, IDC_IO_CHANGEICON, SW_HIDE); StandardShowDlgItem(hDlg, IDC_IO_ICONDISPLAY, SW_HIDE); }
lpIO->nBrowseHelpID = RegisterWindowMessage(HELPMSGSTRING);
// All Done: call the hook with lCustData
UStandardHook(lpIO, hDlg, WM_INITDIALOG, wParam, lpOIO->lCustData);
/*
* We either set focus to the listbox or the edit control. In either * case we don't want Windows to do any SetFocus, so we return FALSE. */ return FALSE;}
/*
* URefillClassList * * Purpose: * Fills the class list box with names as appropriate for the current * flags. This function is called when the user changes the flags * via the "exclusion" radio buttons. * * Note that this function removes any prior contents of the listbox. * * Parameters: * hDlg HWND to the dialog box. * lpIO pointer to LPINSERTOBJECT structure * * Return Value: * LRESULT Number of strings added to the listbox, -1 on failure. */LRESULT URefillClassList(HWND hDlg, LPINSERTOBJECT lpIO){ OleDbgAssert(lpIO->dwFlags & (IOF_SELECTCREATECONTROL|IOF_SELECTCREATENEW));
// always the same dialog ID because they are swapped
HWND hList = GetDlgItem(hDlg, IDC_IO_OBJECTTYPELIST);
// determine if already filled
BOOL bFilled; if (lpIO->dwFlags & IOF_SELECTCREATECONTROL) bFilled = lpIO->bControlListFilled; else bFilled = lpIO->bObjectListFilled;
if (!bFilled) { // fill the list
LPOLEUIINSERTOBJECT lpOIO = lpIO->lpOIO; UINT uResult = UFillClassList(hList, lpOIO->cClsidExclude, lpOIO->lpClsidExclude, (BOOL)(lpIO->dwFlags & IOF_VERIFYSERVERSEXIST), (lpIO->dwFlags & IOF_SELECTCREATECONTROL));
// mark the list as filled
if (lpIO->dwFlags & IOF_SELECTCREATECONTROL) lpIO->bControlListFilled = TRUE; else lpIO->bObjectListFilled = TRUE; }
// return number of items now in the list
return SendMessage(hList, LB_GETCOUNT, 0, 0);}
/*
* UFillClassList * * Purpose: * Enumerates available OLE object classes from the registration * database and fills a listbox with those names. * * Note that this function removes any prior contents of the listbox. * * Parameters: * hList HWND to the listbox to fill. * cIDEx UINT number of CLSIDs to exclude in lpIDEx * lpIDEx LPCLSID to CLSIDs to leave out of the listbox. * fVerify BOOL indicating if we are to validate existence of * servers before putting them in the list. * * Return Value: * UINT Number of strings added to the listbox, -1 on failure. */
UINT UFillClassList(HWND hList, UINT cIDEx, LPCLSID lpIDEx, BOOL fVerify, BOOL fExcludeObjects){ OleDbgAssert(hList != NULL);
// Set the tab width in the list to push all the tabs off the side.
RECT rc; GetClientRect(hList, &rc); DWORD dw = GetDialogBaseUnits(); rc.right =(8*rc.right)/LOWORD(dw); //Convert pixels to 2x dlg units.
SendMessage(hList, LB_SETTABSTOPS, 1, (LPARAM)(LPINT)&rc.right);
// Clean out the existing strings.
SendMessage(hList, LB_RESETCONTENT, 0, 0L); UINT cStrings = 0;
#if USE_STRING_CACHE==1
if (gInsObjStringCache.OKToUse() && gInsObjStringCache.IsUptodate()) { // IsUptodate returns false if the cache is not yet populated
// or if any CLSID key changed in the registry since the last
// time the cache was populated.
LPCTSTR lpStr; // Reset enumerator in the cache.
gInsObjStringCache.ResetEnumerator(); while ( (lpStr = gInsObjStringCache.NextString()) != NULL) { SendMessage(hList, LB_ADDSTRING, 0, (LPARAM)lpStr); cStrings++; }
} else { // Setup the cache if it was successfully initialized and
// there were no errors in a previous use.
if (gInsObjStringCache.OKToUse()) { // Clear the string counter and enumerator.
// We will fill up the cache with strings in this round.
gInsObjStringCache.FlushCache(); }#endif
LPTSTR pszExec = (LPTSTR)OleStdMalloc(OLEUI_CCHKEYMAX_SIZE*4); if (NULL == pszExec) return (UINT)-1;
LPTSTR pszClass = pszExec+OLEUI_CCHKEYMAX; LPTSTR pszKey = pszClass+OLEUI_CCHKEYMAX;
// Open up the root key.
HKEY hKey; LONG lRet = OpenClassesRootKey(NULL, &hKey); if ((LONG)ERROR_SUCCESS!=lRet) { OleStdFree((LPVOID)pszExec); return (UINT)-1; }
// We will now loop over all ProgIDs and add candidates that
// pass various insertable tests to the ListBox one by one.
while (TRUE) { // assume not yet (for handling of OLE1.0 compat case)
BOOL bHaveCLSID = FALSE; LPTSTR pszID = pszKey+OLEUI_CCHKEYMAX;
lRet = RegEnumKey(hKey, cStrings++, pszClass, OLEUI_CCHKEYMAX_SIZE); if ((LONG)ERROR_SUCCESS != lRet) break; if (!iswalpha(pszClass[0])) { // avoids looking into ".ext" type entries under HKCR
continue; }
// Cheat on lstrcat by using lstrcpy after this string, saving time
UINT cch = lstrlen(pszClass);
// Check for \NotInsertable. If this is found then this overrides
// all other keys; this class will NOT be added to the InsertObject
// list.
lstrcpy(pszClass+cch, TEXT("\\NotInsertable")); HKEY hKeyTemp = NULL; lRet = RegOpenKey(hKey, pszClass, &hKeyTemp); if (hKeyTemp != NULL) RegCloseKey(hKeyTemp);
if ((LONG)ERROR_SUCCESS == lRet) continue; // NotInsertable IS found--skip this class
// check if ProgId says "Insertable"
lstrcpy(pszClass+cch, TEXT("\\Insertable")); hKeyTemp = NULL; lRet = RegOpenKey(hKey, pszClass, &hKeyTemp); if (hKeyTemp != NULL) RegCloseKey(hKeyTemp);
if (lRet == ERROR_SUCCESS || fExcludeObjects) { // ProgId says insertable (=> can't be OLE 1.0)
// See if we are displaying Objects or Controls
// Check for CLSID
lstrcpy(pszClass+cch, TEXT("\\CLSID"));
dw = OLEUI_CCHKEYMAX_SIZE; lRet = RegQueryValue(hKey, pszClass, pszID, (LONG*)&dw); if ((LONG)ERROR_SUCCESS != lRet) continue; // CLSID subkey not found
bHaveCLSID = TRUE;
// CLSID\ is 6, dw contains pszID length.
cch = 6 + ((UINT)dw/sizeof(TCHAR)) - 1; lstrcpy(pszExec, TEXT("CLSID\\")); lstrcpy(pszExec+6, pszID);
// fExcludeObjects is TRUE for the Insert Control box.
// It's FALSE for the Insert Object box.
lstrcpy(pszExec+cch, TEXT("\\Control")); hKeyTemp = NULL; lRet = RegOpenKey(hKey, pszExec, &hKeyTemp); if (hKeyTemp != NULL) RegCloseKey(hKeyTemp);
if (!fExcludeObjects) { // We are listing Objects.
if (lRet == ERROR_SUCCESS) { // this is a control
continue; } } else { // We are listing controls
if (lRet != ERROR_SUCCESS) { // This is an Object
continue; } // Some generous soul at some point of time in the past
// decided that for controls it is OK to have the
// Inertable key on the clsid too. So we have to perform
// that additional check before we decide if the control
// entry should be listed or not.
lstrcpy(pszExec+cch, TEXT("\\Insertable")); hKeyTemp = NULL; lRet = RegOpenKey(hKey, pszExec, &hKeyTemp); if (hKeyTemp != NULL) RegCloseKey(hKeyTemp); if ((LONG)ERROR_SUCCESS != lRet) continue; }
// This is beginning to look like a probable list candidate
// Check \LocalServer32, LocalServer, and \InprocServer
// if we were requested to (IOF_VERIFYSERVERSEXIST)
if (fVerify) { // Try LocalServer32
lstrcpy(pszExec+cch, TEXT("\\LocalServer32")); dw = OLEUI_CCHKEYMAX_SIZE; lRet = RegQueryValue(hKey, pszExec, pszKey, (LONG*)&dw); if ((LONG)ERROR_SUCCESS != lRet) { // Try LocalServer
lstrcpy(pszExec+cch, TEXT("\\LocalServer")); dw = OLEUI_CCHKEYMAX_SIZE; lRet = RegQueryValue(hKey, pszExec, pszKey, (LONG*)&dw); if ((LONG)ERROR_SUCCESS != lRet) { // Try InprocServer32
lstrcpy(pszExec+cch, TEXT("\\InProcServer32")); dw = OLEUI_CCHKEYMAX_SIZE; lRet = RegQueryValue(hKey, pszExec, pszKey, (LONG*)&dw); if ((LONG)ERROR_SUCCESS != lRet) { // Try InprocServer
lstrcpy(pszExec+cch, TEXT("\\InProcServer")); dw = OLEUI_CCHKEYMAX_SIZE; lRet = RegQueryValue(hKey, pszExec, pszKey, (LONG*)&dw); if ((LONG)ERROR_SUCCESS != lRet) continue; } } }
if (!DoesFileExist(pszKey, OLEUI_CCHKEYMAX)) continue;
} //fVerify
// Get the readable name for the server.
// We'll needed it for the listbox.
*(pszExec+cch) = 0; //Remove \\*Server
dw = OLEUI_CCHKEYMAX_SIZE; lRet = RegQueryValue(hKey, pszExec, pszKey, (LONG*)&dw); if ((LONG)ERROR_SUCCESS!=lRet) continue;
} else { // We did not see an "Insertable" under ProgId, can
// this be an OLE 1.0 time server entry?
// Check for a \protocol\StdFileEditing\server entry.
lstrcpy(pszClass+cch, TEXT("\\protocol\\StdFileEditing\\server")); DWORD dwTemp = OLEUI_CCHKEYMAX_SIZE; lRet = RegQueryValue(hKey, pszClass, pszKey, (LONG*)&dwTemp); if ((LONG)ERROR_SUCCESS == lRet) { // This is not a control
// skip it if excluding non-controls
if (fExcludeObjects) continue;
// Check if the EXE actually exists.
// (By default we don't do this for speed.
// If an application wants to, it must provide
// IOF_VERIFYSERVERSEXIST flag in the request)
if (fVerify && !DoesFileExist(pszKey, OLEUI_CCHKEYMAX)) continue;
// get readable class name
dwTemp = OLEUI_CCHKEYMAX_SIZE; *(pszClass+cch) = 0; // set back to rootkey
lRet=RegQueryValue(hKey, pszClass, pszKey, (LONG*)&dwTemp);
// attempt to get clsid directly from registry
lstrcpy(pszClass+cch, TEXT("\\CLSID")); dwTemp = OLEUI_CCHKEYMAX_SIZE; lRet = RegQueryValue(hKey, pszClass, pszID, (LONG*)&dwTemp); if ((LONG)ERROR_SUCCESS == lRet) bHaveCLSID = TRUE; *(pszClass+cch) = 0; // set back to rootkey
} else { // This is not OLE 1.0 either!
continue; } }
// At this point we have an insertable candidate.
// or OLE 1.0 time.
// get CLSID to add to listbox.
CLSID clsid; if (!bHaveCLSID) { if (FAILED(CLSIDFromProgID(pszClass, &clsid))) continue; if (FAILED(StringFromCLSID(clsid, &pszID))) continue; } else { if (FAILED(CLSIDFromString(pszID, &clsid))) continue; }
// ##### WARNING #####: using 'continue' after this point
// would leak memory so don't use it!
// check if this CLSID is in the exclusion list.
BOOL fExclude = FALSE; for (UINT i=0; i < cIDEx; i++) { if (IsEqualCLSID(clsid, lpIDEx[i])) { fExclude=TRUE; break; } }
// don't add objects without names
if (lstrlen(pszKey) > 0 && !fExclude) { // We got through all the conditions, add the string.
if (LB_ERR == SendMessage(hList, LB_FINDSTRING, 0, (LPARAM)pszKey)) { pszKey[cch = lstrlen(pszKey)] = '\t'; lstrcpy(pszKey+cch+1, pszID); SendMessage(hList, LB_ADDSTRING, 0, (LPARAM)pszKey);#if USE_STRING_CACHE==1
if (gInsObjStringCache.OKToUse()) { if (!gInsObjStringCache.AddString(pszKey)) { // Adding the string failed due to some reason
OleDbgAssert(!"Failure adding string"); // A failed Add() should mark the
// Cache not OK to use any more.
OleDbgAssert(!gInsObjStringCache.OKToUse()) } }#endif
} }
if (!bHaveCLSID) OleStdFree((LPVOID)pszID); } // While (TRUE)
RegCloseKey(hKey); OleStdFree((LPVOID)pszExec);
#if USE_STRING_CACHE
}#endif
// Select the first item by default
SendMessage(hList, LB_SETCURSEL, 0, 0L);
return cStrings;}
/*
* FToggleObjectSource * * Purpose: * Handles enabling, disabling, showing, and flag manipulation when the * user changes between Create New, Insert File, and Link File in the * Insert Object dialog. * * Parameters: * hDlg HWND of the dialog * lpIO LPINSERTOBJECT pointing to the dialog structure * dwOption DWORD flag indicating the option just selected: * IOF_SELECTCREATENEW or IOF_SELECTCREATEFROMFILE * * Return Value: * BOOL TRUE if the option was already selected, FALSE otherwise. */
BOOL FToggleObjectSource(HWND hDlg, LPINSERTOBJECT lpIO, DWORD dwOption){ // Skip all of this if we're already selected.
if (lpIO->dwFlags & dwOption) return TRUE;
#ifdef USE_STRING_CACHE
// if we're using string cache, we need to flush the cache if
// the list previously displayed was of different type
if(IOF_SELECTCREATECONTROL == dwOption) { if(g_dwOldListType == IOF_SELECTCREATENEW) gInsObjStringCache.FlushCache(); g_dwOldListType = IOF_SELECTCREATECONTROL; } else if(IOF_SELECTCREATENEW == dwOption) { if(g_dwOldListType == IOF_SELECTCREATECONTROL) gInsObjStringCache.FlushCache(); g_dwOldListType = IOF_SELECTCREATENEW; }#endif
// if we're switching from "from file" to "create new" and we've got
// an icon for "from file", then we need to save it so that we can
// show it if the user reselects "from file".
if ((IOF_SELECTCREATENEW == dwOption) && (lpIO->dwFlags & IOF_CHECKDISPLAYASICON)) { lpIO->hMetaPictFile = (HGLOBAL)SendDlgItemMessage(hDlg, IDC_IO_ICONDISPLAY, IBXM_IMAGEGET, 0, 0L); }
/*
* 1. Change the Display As Icon checked state to reflect the * selection for this option, stored in the fAsIcon* flags. */ BOOL fTemp; if (IOF_SELECTCREATENEW == dwOption) fTemp = lpIO->fAsIconNew; else if (IOF_SELECTCREATEFROMFILE == dwOption) fTemp = lpIO->fAsIconFile; else fTemp = FALSE;
if (fTemp) lpIO->dwFlags |= IOF_CHECKDISPLAYASICON; else lpIO->dwFlags &= ~IOF_CHECKDISPLAYASICON;
CheckDlgButton(hDlg, IDC_IO_DISPLAYASICON, (BOOL)(0L!=(lpIO->dwFlags & IOF_CHECKDISPLAYASICON)));
EnableChangeIconButton(hDlg, fTemp);
/*
* Display Icon: Enabled on Create New or on Create from File if * there is a selected file. */ if (IOF_SELECTCREATENEW == dwOption) fTemp = TRUE; else if (IOF_SELECTCREATEFROMFILE == dwOption) fTemp = lpIO->fFileSelected; else fTemp = FALSE;
if (IOF_SELECTCREATECONTROL == dwOption) StandardShowDlgItem(hDlg, IDC_IO_DISPLAYASICON, SW_HIDE); else if (!(lpIO->dwFlags & IOF_DISABLEDISPLAYASICON)) StandardShowDlgItem(hDlg, IDC_IO_DISPLAYASICON, SW_SHOW);
StandardEnableDlgItem(hDlg, IDC_IO_DISPLAYASICON, fTemp);
// OK and Link follow the same enabling as Display As Icon.
StandardEnableDlgItem(hDlg, IDOK, fTemp || IOF_SELECTCREATECONTROL == dwOption); StandardEnableDlgItem(hDlg, IDC_IO_LINKFILE, fTemp);
// Enable Browse... when Create from File is selected.
fTemp = (IOF_SELECTCREATEFROMFILE != dwOption); StandardEnableDlgItem(hDlg, IDC_IO_FILE, !fTemp); StandardEnableDlgItem(hDlg, IDC_IO_FILEDISPLAY, !fTemp);
// Switch Object Type & Control Type listboxes if necessary
HWND hWnd1 = NULL, hWnd2 = NULL; if (lpIO->bControlListActive && IOF_SELECTCREATENEW == dwOption) { hWnd1 = GetDlgItem(hDlg, IDC_IO_OBJECTTYPELIST); hWnd2 = GetDlgItem(hDlg, IDC_IO_CONTROLTYPELIST); SetWindowLong(hWnd1, GWL_ID, IDC_IO_CONTROLTYPELIST); SetWindowLong(hWnd2, GWL_ID, IDC_IO_OBJECTTYPELIST); lpIO->bControlListActive = FALSE; } else if (!lpIO->bControlListActive && IOF_SELECTCREATECONTROL == dwOption) { hWnd1 = GetDlgItem(hDlg, IDC_IO_OBJECTTYPELIST); hWnd2 = GetDlgItem(hDlg, IDC_IO_CONTROLTYPELIST); SetWindowLong(hWnd1, GWL_ID, IDC_IO_CONTROLTYPELIST); SetWindowLong(hWnd2, GWL_ID, IDC_IO_OBJECTTYPELIST); lpIO->bControlListActive = TRUE; }
// Clear out any existing selection flags and set the new one
DWORD dwTemp = IOF_SELECTCREATENEW | IOF_SELECTCREATEFROMFILE | IOF_SELECTCREATECONTROL; lpIO->dwFlags = (lpIO->dwFlags & ~dwTemp) | dwOption;
if (dwOption & (IOF_SELECTCREATENEW|IOF_SELECTCREATECONTROL)) { // refill class list box if necessary
if ((lpIO->bControlListActive && !lpIO->bControlListFilled) || (!lpIO->bControlListActive && !lpIO->bObjectListFilled)) { URefillClassList(hDlg, lpIO); } }
if (hWnd1 != NULL && hWnd2 != NULL) { ShowWindow(hWnd1, SW_HIDE); ShowWindow(hWnd2, SW_SHOW); }
/*
* Switch between Object Type listbox on Create New and * file buttons on others. */ UINT uTemp = (fTemp) ? SW_SHOWNORMAL : SW_HIDE; StandardShowDlgItem(hDlg, IDC_IO_OBJECTTYPELIST, uTemp); StandardShowDlgItem(hDlg, IDC_IO_OBJECTTYPETEXT, uTemp);
uTemp = (fTemp) ? SW_HIDE : SW_SHOWNORMAL; StandardShowDlgItem(hDlg, IDC_IO_FILETEXT, uTemp); StandardShowDlgItem(hDlg, IDC_IO_FILETYPE, uTemp); StandardShowDlgItem(hDlg, IDC_IO_FILEDISPLAY, uTemp); StandardShowDlgItem(hDlg, IDC_IO_FILE, uTemp);
// Link is always hidden if IOF_DISABLELINK is set.
if (IOF_DISABLELINK & lpIO->dwFlags) uTemp = SW_HIDE;
StandardShowDlgItem(hDlg, IDC_IO_LINKFILE, uTemp); //last use of uTemp
// Remove add button when not in Insert control mode
uTemp = (IOF_SELECTCREATECONTROL == dwOption) ? SW_SHOW : SW_HIDE; StandardShowDlgItem(hDlg, IDC_IO_ADDCONTROL, uTemp);
/*
* Show or hide controls as appropriate. Do the icon * display last because it will take some time to repaint. * If we do it first then the dialog looks too sluggish. */
int i = (lpIO->dwFlags & IOF_CHECKDISPLAYASICON) ? SW_SHOWNORMAL : SW_HIDE; StandardShowDlgItem(hDlg, IDC_IO_CHANGEICON, i); StandardShowDlgItem(hDlg, IDC_IO_ICONDISPLAY, i); EnableChangeIconButton(hDlg, SW_SHOWNORMAL == i);
// Change result display
SetInsertObjectResults(hDlg, lpIO);
/*
* For Create New, twiddle the listbox to think we selected it * so it updates the icon from the object type. set the focus * to the list box. * * For Insert or Link file, set the focus to the filename button * and update the icon if necessary. */ if (fTemp) { UpdateClassIcon(hDlg, lpIO, GetDlgItem(hDlg, IDC_IO_OBJECTTYPELIST)); SetFocus(GetDlgItem(hDlg, IDC_IO_OBJECTTYPELIST)); } else { if (lpIO->fAsIconFile && (NULL != lpIO->hMetaPictFile) ) { SendDlgItemMessage(hDlg, IDC_IO_ICONDISPLAY, IBXM_IMAGESET, 0, (LPARAM)lpIO->hMetaPictFile); lpIO->hMetaPictFile = 0; } else { UpdateClassIcon(hDlg, lpIO, NULL); } SetFocus(GetDlgItem(hDlg, IDC_IO_FILE)); }
return FALSE;}
/*
* UpdateClassType * * Purpose: * Updates static text control to reflect current file type. Assumes * a valid filename. * * Parameters * hDlg HWND of the dialog box. * lpIO LPINSERTOBJECT pointing to the dialog structure * fSet TRUE to set the text, FALSE to explicitly clear it * * Return Value: * None */
void UpdateClassType(HWND hDlg, LPINSERTOBJECT lpIO, BOOL fSet){ LPTSTR lpszFileType = NULL; if (fSet) { TCHAR szFileName[MAX_PATH]; GetDlgItemText(hDlg, IDC_IO_FILEDISPLAY, szFileName, MAX_PATH);
CLSID clsid; if (S_OK == GetClassFile(szFileName, &clsid)) OleRegGetUserType(clsid, USERCLASSTYPE_FULL, &lpszFileType); }
if (lpszFileType != NULL) { SetDlgItemText(hDlg, IDC_IO_FILETYPE, lpszFileType); OleStdFree(lpszFileType); }}
/*
* UpdateClassIcon * * Purpose: * Handles LBN_SELCHANGE for the Object Type listbox. On a selection * change, we extract an icon from the server handling the currently * selected object type using the utility function HIconFromClass. * Note that we depend on the behavior of FillClassList to stuff the * object class after a tab in the listbox string that we hide from * view (see WM_INITDIALOG). * * Parameters * hDlg HWND of the dialog box. * lpIO LPINSERTOBJECT pointing to the dialog structure * hList HWND of the Object Type listbox. * * Return Value: * None */
static void UpdateClassIcon(HWND hDlg, LPINSERTOBJECT lpIO, HWND hList){ // If Display as Icon is not selected, exit
if (!(lpIO->dwFlags & IOF_CHECKDISPLAYASICON)) return;
/*
* When we change object type selection, get the new icon for that * type into our structure and update it in the display. We use the * class in the listbox when Create New is selected or the association * with the extension in Create From File. */
DWORD cb = MAX_PATH; UINT iSel; if (lpIO->dwFlags & IOF_SELECTCREATENEW) { iSel = (UINT)SendMessage(hList, LB_GETCURSEL, 0, 0L);
if (LB_ERR==(int)iSel) return;
// Check to see if we've already got the hMetaPict for this item
LRESULT dwRet = SendMessage(hList, LB_GETITEMDATA, (WPARAM)iSel, 0L);
HGLOBAL hMetaPict=(HGLOBAL)dwRet; if (hMetaPict) { // Yep, we've already got it, so just display it and return.
SendDlgItemMessage(hDlg, IDC_IO_ICONDISPLAY, IBXM_IMAGESET, 0, (LPARAM)hMetaPict); return; } iSel = (UINT)SendMessage(hList, LB_GETCURSEL, 0, 0L); if (LB_ERR==(int)iSel) return;
// Allocate a string to hold the entire listbox string
cb = (DWORD)SendMessage(hList, LB_GETTEXTLEN, iSel, 0L); }
LPTSTR pszName = (LPTSTR)OleStdMalloc((cb+1)*sizeof(TCHAR)); if (NULL == pszName) return; *pszName = 0;
// Get the clsid we want.
HGLOBAL hMetaPict; if (lpIO->dwFlags & IOF_SELECTCREATENEW) { // Grab the classname string from the list
SendMessage(hList, LB_GETTEXT, iSel, (LPARAM)pszName);
// Set pointer to CLSID (string)
LPTSTR pszCLSID = PointerToNthField(pszName, 2, '\t');
// Get CLSID from the string and then accociated icon
HRESULT hr = CLSIDFromString(pszCLSID, &lpIO->clsid); if (FAILED(hr)) lpIO->clsid = GUID_NULL; hMetaPict = OleGetIconOfClass(lpIO->clsid, NULL, TRUE); }
else { // Get the class from the filename
GetDlgItemText(hDlg, IDC_IO_FILEDISPLAY, pszName, MAX_PATH); hMetaPict = OleGetIconOfFile(pszName, lpIO->dwFlags & IOF_CHECKLINK ? TRUE : FALSE); }
// Replace the current display with this new one.
SendDlgItemMessage(hDlg, IDC_IO_ICONDISPLAY, IBXM_IMAGESET, 0, (LPARAM)hMetaPict);
// Enable or disable "Change Icon" button depending on whether
// we've got a valid filename or not.
EnableChangeIconButton(hDlg, hMetaPict ? TRUE : FALSE);
// Save the hMetaPict so that we won't have to re-create
if (lpIO->dwFlags & IOF_SELECTCREATENEW) SendMessage(hList, LB_SETITEMDATA, (WPARAM)iSel, (LPARAM)hMetaPict);
OleStdFree(pszName);}
/*
* SetInsertObjectResults * * Purpose: * Centralizes setting of the Result and icon displays in the Insert Object * dialog. Handles loading the appropriate string from the module's * resources and setting the text, displaying the proper result picture, * and showing the proper icon. * * Parameters: * hDlg HWND of the dialog box so we can access controls. * lpIO LPINSERTOBJECT in which we assume that the * current radiobutton and Display as Icon selections * are set. We use the state of those variables to * determine which string we use. * * Return Value: * None */
void SetInsertObjectResults(HWND hDlg, LPINSERTOBJECT lpIO){ /*
* We need scratch memory for loading the stringtable string, loading * the object type from the listbox, and constructing the final string. * We therefore allocate three buffers as large as the maximum message * length (512) plus the object type, guaranteeing that we have enough * in all cases. */ UINT i = (UINT)SendDlgItemMessage(hDlg, IDC_IO_OBJECTTYPELIST, LB_GETCURSEL, 0, 0L);
UINT cch = 512;
if (i != LB_ERR) { cch += (UINT)SendDlgItemMessage(hDlg, IDC_IO_OBJECTTYPELIST, LB_GETTEXTLEN, i, 0L); }
LPTSTR pszTemp= (LPTSTR)OleStdMalloc((DWORD)(4*cch)*sizeof(TCHAR)); if (NULL == pszTemp) return;
LPTSTR psz1 = pszTemp; LPTSTR psz2 = psz1+cch; LPTSTR psz3 = psz2+cch; LPTSTR psz4 = psz3+cch;
BOOL fAsIcon = (0L != (lpIO->dwFlags & IOF_CHECKDISPLAYASICON)); UINT iImage=0, iString1=0, iString2=0;
if (lpIO->dwFlags & (IOF_SELECTCREATENEW|IOF_SELECTCREATECONTROL)) { iString1 = fAsIcon ? IDS_IORESULTNEWICON : IDS_IORESULTNEW; iString2 = 0; iImage = fAsIcon ? RESULTIMAGE_EMBEDICON : RESULTIMAGE_EMBED; }
if (lpIO->dwFlags & IOF_SELECTCREATEFROMFILE) { // Pay attention to Link checkbox
if (lpIO->dwFlags & IOF_CHECKLINK) { iString1 = fAsIcon ? IDS_IORESULTLINKFILEICON1 : IDS_IORESULTLINKFILE1; iString2 = fAsIcon ? IDS_IORESULTLINKFILEICON2 : IDS_IORESULTLINKFILE2; iImage =fAsIcon ? RESULTIMAGE_LINKICON : RESULTIMAGE_LINK; } else { iString1 = IDS_IORESULTFROMFILE1; iString2 = fAsIcon ? IDS_IORESULTFROMFILEICON2 : IDS_IORESULTFROMFILE2; iImage =fAsIcon ? RESULTIMAGE_EMBEDICON : RESULTIMAGE_EMBED; } }
// Default is an empty string.
*psz1=0;
if (0 != LoadString(_g_hOleStdResInst, iString1, psz1, cch)) { // Load second string, if necessary
if (0 != iString2 && 0 != LoadString(_g_hOleStdResInst, iString2, psz4, cch)) { lstrcat(psz1, psz4); // concatenate strings together.
}
// In Create New, do the extra step of inserting the object type string
if (lpIO->dwFlags & (IOF_SELECTCREATENEW|IOF_SELECTCREATECONTROL)) { if (i == LB_ERR) { SetDlgItemText(hDlg, IDC_IO_RESULTTEXT, NULL);
// Change the image.
SendDlgItemMessage(hDlg, IDC_IO_RESULTIMAGE, RIM_IMAGESET, RESULTIMAGE_NONE, 0L);
OleStdFree((LPVOID)pszTemp); return; }
*psz2=NULL; SendDlgItemMessage(hDlg, IDC_IO_OBJECTTYPELIST, LB_GETTEXT, i, (LPARAM)psz2);
// Null terminate at any tab (before the classname)
LPTSTR pszT = psz2; while (_T('\t') != *pszT && 0 != *pszT) pszT++; OleDbgAssert(pszT < psz3); *pszT=0;
// Build the string and point psz1 to it.
wsprintf(psz3, psz1, psz2); psz1 = psz3; } }
// If LoadString failed, we simply clear out the results (*psz1=0 above)
SetDlgItemText(hDlg, IDC_IO_RESULTTEXT, psz1);
// Go change the image and Presto! There you have it.
SendDlgItemMessage(hDlg, IDC_IO_RESULTIMAGE, RIM_IMAGESET, iImage, 0L);
OleStdFree((LPVOID)pszTemp);}
/*
* FValidateInsertFile * * Purpose: * Given a possibly partial pathname from the file edit control, * attempt to locate the file and if found, store the full path * in the edit control IDC_IO_FILEDISPLAY. * * Parameters: * hDlg HWND of the dialog box. * fTellUser BOOL TRUE if function should tell user, FALSE if * function should validate silently. * * Return Value: * BOOL TRUE if the file is acceptable, FALSE otherwise. */
BOOL FValidateInsertFile(HWND hDlg, BOOL fTellUser, UINT FAR* lpnErrCode){ *lpnErrCode = 0;
/*
* To validate we attempt OpenFile on the string. If OpenFile * fails then we display an error. If not, OpenFile will store * the complete path to that file in the OFSTRUCT which we can * then stuff in the edit control. */ TCHAR szFile[MAX_PATH]; if (0 == GetDlgItemText(hDlg, IDC_IO_FILEDISPLAY, szFile, MAX_PATH)) return FALSE; // #4569 : return FALSE when there is no text in ctl
// if file is currently open (ie. sharing violation) OleCreateFromFile
// and OleCreateLinkToFile can still succeed; do not consider it an
// error.
if (!DoesFileExist(szFile, MAX_PATH)) { *lpnErrCode = ERROR_FILE_NOT_FOUND; if (fTellUser) OpenFileError(hDlg, ERROR_FILE_NOT_FOUND, szFile); return FALSE; }
// get full pathname, since the file exists
TCHAR szPath[MAX_PATH]; LPTSTR lpszDummy; GetFullPathName(szFile, sizeof(szPath)/sizeof(TCHAR), szPath, &lpszDummy); SetDlgItemText(hDlg, IDC_IO_FILEDISPLAY, szPath);
return TRUE;}
/*
* InsertObjectCleanup * * Purpose: * Clears cached icon metafiles from those stored in the listbox. * * Parameters: * hDlg HWND of the dialog. * * Return Value: * None */
void InsertObjectCleanup(HWND hDlg){ HWND hList = GetDlgItem(hDlg, IDC_IO_OBJECTTYPELIST); UINT iItems= (UINT)SendMessage(hList, LB_GETCOUNT, 0, 0L); for (UINT i = 0; i < iItems; i++) { LRESULT dwRet = SendMessage(hList, LB_GETITEMDATA, (WPARAM)i, 0L); HGLOBAL hMetaPict=(HGLOBAL)dwRet; if (hMetaPict) OleUIMetafilePictIconFree(hMetaPict); }}
void EnableChangeIconButton(HWND hDlg, BOOL fEnable){
HRESULT hr = S_OK;
if(fEnable){
HWND hList = GetDlgItem(hDlg, IDC_IO_OBJECTTYPELIST); int iCurSel = (int)SendMessage(hList, LB_GETCURSEL, 0, 0L);
CLSID clsid = {0};
if (1 == IsDlgButtonChecked(hDlg, IDC_IO_CREATENEW)) { LPTSTR pszString = (LPTSTR)OleStdMalloc( OLEUI_CCHKEYMAX_SIZE + OLEUI_CCHCLSIDSTRING_SIZE);
if(NULL == pszString) { fEnable = FALSE; goto CLEANUP; } SendMessage(hList, LB_GETTEXT, iCurSel, (LPARAM)pszString);
if(0 == *pszString) { fEnable = FALSE; OleStdFree((LPVOID)pszString); goto CLEANUP; }
LPTSTR pszCLSID = PointerToNthField(pszString, 2, '\t');
if(NULL == pszCLSID || 0 == *pszCLSID) { fEnable = FALSE; OleStdFree((LPVOID)pszString); goto CLEANUP; }
hr = CLSIDFromString(pszCLSID, &clsid); OleStdFree((LPVOID)pszString);
if(FAILED(hr)) { fEnable = FALSE; } } else // IOF_SELECTCREATEFROMFILE
{ TCHAR szFileName[MAX_PATH] = {0}; GetDlgItemText(hDlg, IDC_IO_FILEDISPLAY, szFileName, MAX_PATH); if (S_OK != GetClassFile(szFileName, &clsid)) { int istrlen = lstrlen(szFileName); LPTSTR lpszExtension = szFileName + istrlen -1;
while (lpszExtension > szFileName && *lpszExtension != '.') { lpszExtension = CharPrev(szFileName, lpszExtension); }
*szFileName = 0;
GetAssociatedExecutable(lpszExtension, szFileName, sizeof(szFileName)/sizeof(szFileName[0]));
if(0 == *szFileName){ fEnable = FALSE; } } } }
CLEANUP:
StandardEnableDlgItem(hDlg, IDC_IO_CHANGEICON, fEnable);
}
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