765 lines
26 KiB
C++
765 lines
26 KiB
C++
/*
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* COMMON.CPP
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*
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* Standardized (and centralized) pieces of each OLEDLG dialog function:
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*
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* UStandardValidation Validates standard fields in each dialog structure
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* UStandardInvocation Invokes a dialog through DialogBoxIndirectParam
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* LpvStandardInit Common WM_INITDIALOG processing
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* LpvStandardEntry Common code to execute on dialog proc entry.
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* UStandardHook Centralized hook calling function.
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* StandardCleanup Common exit/cleanup code.
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* StandardShowDlgItem Show-Enable/Hide-Disable dialog item
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* StandardEnableDlgItem Enable/Disable dialog item
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* StandardResizeDlgY Resize dialog to fit controls
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*
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* Copyright (c)1992 Microsoft Corporation, All Right Reserved
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*/
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#include "precomp.h"
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#include "common.h"
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#include "utility.h"
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OLEDBGDATA
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/*
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* UStandardValidation
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*
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* Purpose:
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* Performs validation on the standard pieces of any dialog structure,
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* that is, the fields defined in the OLEUISTANDARD structure.
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*
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* Parameters:
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* lpUI const LPOLEUISTANDARD pointing to the shared data of
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* all structs.
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* cbExpect const UINT structure size desired by the caller.
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* phDlgMem const HGLOBAL FAR * in which to store a loaded customized
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* template, if one exists.
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* (This may be NULL in which case the template pointer isn't
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* needed by the calling function and should be released.)
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*
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* Return Value:
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* UINT OLEUI_SUCCESS if all validation succeeded. Otherwise
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* it will be one of the standard error codes.
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*/
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UINT WINAPI UStandardValidation(LPOLEUISTANDARD lpUI, const UINT cbExpect,
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HGLOBAL* phMemDlg)
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{
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/*
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* 1. Validate non-NULL pointer parameter. Note: We don't validate
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* phDlg since it's not passed from an external source.
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*/
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if (NULL == lpUI)
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return OLEUI_ERR_STRUCTURENULL;
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// 2. Validate that the structure is readable and writable.
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if (IsBadWritePtr(lpUI, cbExpect))
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return OLEUI_ERR_STRUCTUREINVALID;
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// 3. Validate the structure size
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if (cbExpect != lpUI->cbStruct)
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return OLEUI_ERR_CBSTRUCTINCORRECT;
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// 4. Validate owner-window handle. NULL is considered valid.
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if (NULL != lpUI->hWndOwner && !IsWindow(lpUI->hWndOwner))
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return OLEUI_ERR_HWNDOWNERINVALID;
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// 5. Validate the dialog caption. NULL is considered valid.
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if (NULL != lpUI->lpszCaption && IsBadReadPtr(lpUI->lpszCaption, 1))
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return OLEUI_ERR_LPSZCAPTIONINVALID;
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// 6. Validate the hook pointer. NULL is considered valid.
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if (NULL != lpUI->lpfnHook && IsBadCodePtr((FARPROC)lpUI->lpfnHook))
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return OLEUI_ERR_LPFNHOOKINVALID;
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/*
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* 7. If hInstance is non-NULL, we have to also check lpszTemplate.
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* Otherwise, lpszTemplate is not used and requires no validation.
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* lpszTemplate cannot be NULL if used.
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*/
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HGLOBAL hMem = NULL;
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if (NULL != lpUI->hInstance)
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{
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//Best we can try is one character
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if (NULL == lpUI->lpszTemplate || (HIWORD(PtrToUlong(lpUI->lpszTemplate)) != 0 &&
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IsBadReadPtr(lpUI->lpszTemplate, 1)))
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return OLEUI_ERR_LPSZTEMPLATEINVALID;
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HRSRC hRes = FindResource(lpUI->hInstance, lpUI->lpszTemplate, RT_DIALOG);
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if (NULL == hRes)
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return OLEUI_ERR_FINDTEMPLATEFAILURE;
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hMem = LoadResource(lpUI->hInstance, hRes);
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if (NULL == hMem)
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return OLEUI_ERR_LOADTEMPLATEFAILURE;
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}
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// 8. If hResource is non-NULL, be sure we can lock it.
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if (NULL != lpUI->hResource)
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{
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if ((LPSTR)NULL == LockResource(lpUI->hResource))
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return OLEUI_ERR_HRESOURCEINVALID;
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}
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/*
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* Here we have hMem==NULL if we should use the standard template
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* or the one in lpUI->hResource. If hMem is non-NULL, then we
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* loaded one from the calling application's resources which the
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* caller of this function has to free if it sees any other error.
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*/
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if (NULL != phMemDlg)
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{
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*phMemDlg = hMem;
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}
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return OLEUI_SUCCESS;
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}
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/*
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* UStandardInvocation
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*
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* Purpose:
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* Provides standard template loading and calling on DialogBoxIndirectParam
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* for all the OLE UI dialogs.
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*
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* Parameters:
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* lpDlgProc DLGPROC of the dialog function.
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* lpUI LPOLEUISTANDARD containing the dialog structure.
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* hMemDlg HGLOBAL containing the dialog template. If this
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* is NULL and lpUI->hResource is NULL, then we load
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* the standard template given the name in lpszStdTemplate
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* lpszStdTemplate LPCSTR standard template to load if hMemDlg is NULL
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* and lpUI->hResource is NULL.
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*
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* Return Value:
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* UINT OLEUI_SUCCESS if all is well, otherwise and error
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* code.
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*/
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UINT WINAPI UStandardInvocation(
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DLGPROC lpDlgProc, LPOLEUISTANDARD lpUI, HGLOBAL hMemDlg, LPTSTR lpszStdTemplate)
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{
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// Make sure we have a template, then lock it down
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HGLOBAL hTemplate = hMemDlg;
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if (NULL == hTemplate)
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hTemplate = lpUI->hResource;
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if (NULL == hTemplate)
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{
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HRSRC hRes = FindResource(_g_hOleStdResInst, (LPCTSTR) lpszStdTemplate, RT_DIALOG);
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if (NULL == hRes)
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return OLEUI_ERR_FINDTEMPLATEFAILURE;
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hTemplate = LoadResource(_g_hOleStdResInst, hRes);
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if (NULL == hTemplate)
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return OLEUI_ERR_LOADTEMPLATEFAILURE;
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}
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/*
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* hTemplate has the template to use, so now we can invoke the dialog.
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* Since we have exported all of our dialog procedures using the
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* _keyword, we do not need to call MakeProcInstance,
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* we can ue the dialog procedure address directly.
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*/
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INT_PTR iRet = DialogBoxIndirectParam(_g_hOleStdResInst, (LPCDLGTEMPLATE)hTemplate,
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lpUI->hWndOwner, lpDlgProc, (LPARAM)lpUI);
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if (-1 == iRet)
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return OLEUI_ERR_DIALOGFAILURE;
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// Return the code from EndDialog, generally OLEUI_OK or OLEUI_CANCEL
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return (UINT)iRet;
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}
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/*
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* LpvStandardInit
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*
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* Purpose:
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* Default actions for WM_INITDIALOG handling in the dialog, allocating
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* a dialog-specific structure, setting that memory as a dialog property,
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* and creating a small font if necessary setting that font as a property.
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*
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* Parameters:
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* hDlg HWND of the dialog
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* cbStruct UINT size of dialog-specific structure to allocate.
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* fCreateFont BOOL indicating if we need to create a small Helv
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* font for this dialog.
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* phFont HFONT FAR * in which to place a created font. Can be
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* NULL if fCreateFont is FALSE.
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*
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* Return Value:
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* LPVOID Pointer to global memory allocated for the dialog.
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* The memory will have been set as a dialog property
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* using the STRUCTUREPROP label.
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*/
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LPVOID WINAPI LpvStandardInit(HWND hDlg, UINT cbStruct, HFONT* phFont)
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{
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// Must have at least sizeof(void*) bytes in cbStruct
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if (sizeof(void*) > cbStruct)
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{
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PostMessage(hDlg, uMsgEndDialog, OLEUI_ERR_GLOBALMEMALLOC, 0L);
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return NULL;
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}
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HGLOBAL gh = GlobalAlloc(GHND, cbStruct);
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if (NULL == gh)
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{
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PostMessage(hDlg, uMsgEndDialog, OLEUI_ERR_GLOBALMEMALLOC, 0L);
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return NULL;
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}
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LPVOID lpv = GlobalLock(gh);
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SetProp(hDlg, STRUCTUREPROP, gh);
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if (phFont != NULL)
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*phFont = NULL;
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if (!bWin4 && phFont != NULL)
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{
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// Create the non-bold font for result and file texts. We call
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HFONT hFont = (HFONT)SendMessage(hDlg, WM_GETFONT, 0, 0L);
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LOGFONT lf;
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GetObject(hFont, sizeof(LOGFONT), &lf);
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lf.lfWeight = FW_NORMAL;
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// Attempt to create the font. If this fails, then we return no font.
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*phFont = CreateFontIndirect(&lf);
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// If we couldn't create the font, we'll do with the default.
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if (NULL != *phFont)
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SetProp(hDlg, FONTPROP, (HANDLE)*phFont);
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}
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// Setup the context help mode (WS_EX_CONTEXTHELP)
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if (bWin4)
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{
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DWORD dwExStyle = GetWindowLong(hDlg, GWL_EXSTYLE);
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dwExStyle |= WS_EX_CONTEXTHELP;
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SetWindowLong(hDlg, GWL_EXSTYLE, dwExStyle);
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}
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return lpv;
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}
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typedef struct COMMON
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{
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OLEUISTANDARD* pStandard;
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UINT nIDD;
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} COMMON, *PCOMMON, FAR* LPCOMMON;
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/*
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* LpvStandardEntry
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*
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* Purpose:
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* Retrieves the dialog's structure property and calls the hook
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* as necessary. This should be called on entry into all dialog
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* procedures.
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*
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* Parameters:
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* hDlg HWND of the dialog
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* iMsg UINT message to the dialog
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* wParam, lParam WPARAM, LPARAM message parameters
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* puHookResult UINT FAR * in which this function stores the return value
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* from the hook if it is called. If no hook is available,
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* this will be FALSE.
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*
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* Return Value:
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* LPVOID Pointer to the dialog's extra structure held in the
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* STRUCTUREPROP property.
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*/
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// char szDebug[100];
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LPVOID WINAPI LpvStandardEntry(HWND hDlg, UINT iMsg,
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WPARAM wParam, LPARAM lParam, UINT FAR * puHookResult)
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{
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// This will fail under WM_INITDIALOG, where we allocate using StandardInit
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LPVOID lpv = NULL;
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HGLOBAL gh = GetProp(hDlg, STRUCTUREPROP);
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if (NULL != puHookResult && NULL != gh)
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{
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*puHookResult = 0;
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// gh was locked previously, lock and unlock to get lpv
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lpv = GlobalLock(gh);
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GlobalUnlock(gh);
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// Call the hook for all messages except WM_INITDIALOG
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if (NULL != lpv && WM_INITDIALOG != iMsg)
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*puHookResult = UStandardHook(lpv, hDlg, iMsg, wParam, lParam);
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// Default processing for various messages
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LPCOMMON lpCommon = (LPCOMMON)lpv;
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if (*puHookResult == 0 && NULL != lpv)
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{
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switch (iMsg)
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{
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// handle standard Win4 help messages
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case WM_HELP:
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{
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HWND hWndChild = (HWND)((LPHELPINFO)lParam)->hItemHandle;
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//skip read-only controls (requested by Help folks)
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//basically the help strings for items like ObjectName on GnrlProps
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//give useless information.
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//If we do not make this check now the other option is to turn ON
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//the #if 0 inside the switch. That is ugly.
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if (hWndChild!=hDlg )
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{
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int iCtrlId = ((LPHELPINFO)lParam)->iCtrlId;
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// wsprintfA(szDebug,"\n @@@ hWnd= %lx, hChld = %lx, ctrlId = %d ", hDlg, hWndChild, iCtrlId);
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// OutputDebugStringA(szDebug);
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switch (iCtrlId)
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{
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// list of control IDs that should not have help
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case -1: //IDC_STATIC
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case 0xffff: //IDC_STATIC
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case IDC_CI_GROUP:
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case IDC_GP_OBJECTICON:
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break;
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default:
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StandardHelp(hWndChild, lpCommon->nIDD);
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}
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}
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*puHookResult = TRUE; //We handled the message.
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break;
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} //case WM_HELP
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case WM_CONTEXTMENU:
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{
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POINT pt;
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int iCtrlId;
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HWND hwndChild = NULL;
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if( hDlg == (HWND) wParam )
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{
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GetCursorPos(&pt);
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ScreenToClient(hDlg, &pt);
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hwndChild = ChildWindowFromPointEx(hDlg, pt,
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CWP_SKIPINVISIBLE);
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//hWndChild will now be either hDlg or hWnd of the ctrl
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}
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if ( hwndChild != hDlg )
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{
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if (hwndChild)
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{
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iCtrlId = GetDlgCtrlID(hwndChild);
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}
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else
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{
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iCtrlId = GetDlgCtrlID((HWND)wParam);
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}
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// wsprintfA(szDebug, "\n ### hWnd= %lx, hChld = %lx, ctrlId = %d ", hDlg, hwndChild, iCtrlId);
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// OutputDebugStringA(szDebug);
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switch (iCtrlId)
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{
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// list of control IDs that should not have help
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case -1: // IDC_STATIC
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case 0xffff: // IDC_STATIC
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case IDC_CI_GROUP:
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case IDC_GP_OBJECTICON:
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break;
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default:
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StandardContextMenu(wParam, lParam, lpCommon->nIDD);
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}
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}
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*puHookResult = TRUE; //We handled the message.
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break;
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} // case WM_CONTEXTMENU
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case WM_CTLCOLOREDIT:
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{
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// make readonly edits have gray background
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if (bWin4 && (GetWindowLong((HWND)lParam, GWL_STYLE)
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& ES_READONLY))
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{
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*puHookResult = (UINT)SendMessage(hDlg, WM_CTLCOLORSTATIC, wParam, lParam);
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}
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break;
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}
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} //switch (iMsg)
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} //*puHookResult == 0
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} //NULL != puHookResult
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return lpv;
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}
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/*
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* UStandardHook
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*
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* Purpose:
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* Provides a generic hook calling function assuming that all private
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* dialog structures have a far pointer to their assocated public
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* structure as the first field, and that the first part of the public
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* structure matches an OLEUISTANDARD.
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*
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* Parameters:
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* pv PVOID to the dialog structure.
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* hDlg HWND to send with the call to the hook.
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* iMsg UINT message to send to the hook.
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* wParam, lParam WPARAM, LPARAM message parameters
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*
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* Return Value:
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* UINT Return value from the hook, zero to indicate that
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* default action should occur, nonzero to specify
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* that the hook did process the message. In some
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* circumstances it will be important for the hook to
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* return a non-trivial non-zero value here, such as
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* a brush from WM_CTLCOLOR, in which case the caller
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* should return that value from the dialog procedure.
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*/
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UINT WINAPI UStandardHook(LPVOID lpv, HWND hDlg, UINT iMsg,
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WPARAM wParam, LPARAM lParam)
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{
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UINT uRet = 0;
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LPOLEUISTANDARD lpUI = *((LPOLEUISTANDARD FAR *)lpv);
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if (NULL != lpUI && NULL != lpUI->lpfnHook)
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{
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/*
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* In order for the hook to have the proper DS, they should be
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* compiling with -GA -GEs so and usin __to get everything
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* set up properly.
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*/
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uRet = (*lpUI->lpfnHook)(hDlg, iMsg, wParam, lParam);
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}
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return uRet;
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}
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/*
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* StandardCleanup
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*
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* Purpose:
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* Removes properties and reverses any other standard initiazation
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* done through StandardSetup.
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*
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* Parameters:
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* lpv LPVOID containing the private dialog structure.
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* hDlg HWND of the dialog closing.
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*
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* Return Value:
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* None
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*/
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void WINAPI StandardCleanup(LPVOID lpv, HWND hDlg)
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{
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HFONT hFont=(HFONT)RemoveProp(hDlg, FONTPROP);
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if (NULL != hFont)
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{
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DeleteObject(hFont);
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}
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HGLOBAL gh = RemoveProp(hDlg, STRUCTUREPROP);
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if (gh != NULL)
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{
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GlobalUnlock(gh);
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GlobalFree(gh);
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}
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}
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/* StandardShowDlgItem
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* -------------------
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* Show & Enable or Hide & Disable a dialog item as appropriate.
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* it is NOT sufficient to simply hide the item; it must be disabled
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* too or the keyboard accelerator still functions.
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*/
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void WINAPI StandardShowDlgItem(HWND hDlg, int idControl, int nCmdShow)
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{
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HWND hItem = GetDlgItem(hDlg, idControl);
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if (hItem != NULL)
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{
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ShowWindow(hItem, nCmdShow);
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EnableWindow(hItem, nCmdShow != SW_HIDE);
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}
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}
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/* StandardEnableDlgItem
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* -------------------
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* Enable/Disable a dialog item. If the item does not exist
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* this call is a noop.
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*/
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void WINAPI StandardEnableDlgItem(HWND hDlg, int idControl, BOOL bEnable)
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{
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HWND hItem = GetDlgItem(hDlg, idControl);
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if (hItem != NULL)
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EnableWindow(hItem, bEnable);
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}
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/* StandardResizeDlgY
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* ------------------
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* Resize a dialog to fit around the visible controls. This is used
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* for dialogs which remove controls from the bottom of the dialogs.
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* A good example of this is the convert dialog, which when CF_HIDERESULTS
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* is selected, removes the "results box" at the bottom of the dialog.
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* This implementation currently
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*/
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BOOL WINAPI StandardResizeDlgY(HWND hDlg)
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{
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RECT rect;
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// determine maxY by looking at all child windows on the dialog
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int maxY = 0;
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HWND hChild = GetWindow(hDlg, GW_CHILD);
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while (hChild != NULL)
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{
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if (GetWindowLong(hChild, GWL_STYLE) & WS_VISIBLE)
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{
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GetWindowRect(hChild, &rect);
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if (rect.bottom > maxY)
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maxY = rect.bottom;
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}
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hChild = GetWindow(hChild, GW_HWNDNEXT);
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}
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if (maxY > 0)
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|
{
|
|
// get current font that the dialog is using
|
|
HFONT hFont = (HFONT)SendMessage(hDlg, WM_GETFONT, 0, 0);
|
|
if (hFont == NULL)
|
|
hFont = (HFONT)GetStockObject(SYSTEM_FONT);
|
|
OleDbgAssert(hFont != NULL);
|
|
|
|
// calculate height of the font in pixels
|
|
HDC hDC = GetDC(NULL);
|
|
hFont = (HFONT)SelectObject(hDC, hFont);
|
|
TEXTMETRIC tm;
|
|
GetTextMetrics(hDC, &tm);
|
|
SelectObject(hDC, hFont);
|
|
ReleaseDC(NULL, hDC);
|
|
|
|
// determine if window is too large and resize if necessary
|
|
GetWindowRect(hDlg, &rect);
|
|
if (rect.bottom > maxY + tm.tmHeight)
|
|
{
|
|
// window is too large -- resize it
|
|
rect.bottom = maxY + tm.tmHeight;
|
|
SetWindowPos(hDlg, NULL,
|
|
0, 0, rect.right-rect.left, rect.bottom-rect.top,
|
|
SWP_NOMOVE|SWP_NOACTIVATE|SWP_NOZORDER);
|
|
return TRUE;
|
|
}
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
// Support for Windows 95 help
|
|
#define HELPFILE TEXT("mfcuix.hlp")
|
|
|
|
LPDWORD LoadHelpInfo(UINT nIDD)
|
|
{
|
|
HRSRC hrsrc = FindResource(_g_hOleStdResInst, MAKEINTRESOURCE(nIDD),
|
|
MAKEINTRESOURCE(RT_HELPINFO));
|
|
if (hrsrc == NULL)
|
|
return NULL;
|
|
|
|
HGLOBAL hHelpInfo = LoadResource(_g_hOleStdResInst, hrsrc);
|
|
if (hHelpInfo == NULL)
|
|
return NULL;
|
|
|
|
LPDWORD lpdwHelpInfo = (LPDWORD)LockResource(hHelpInfo);
|
|
return lpdwHelpInfo;
|
|
}
|
|
|
|
void WINAPI StandardHelp(HWND hWnd, UINT nIDD)
|
|
{
|
|
LPDWORD lpdwHelpInfo = LoadHelpInfo(nIDD);
|
|
if (lpdwHelpInfo == NULL)
|
|
{
|
|
OleDbgOut1(TEXT("Warning: unable to load help information (RT_HELPINFO)\n"));
|
|
return;
|
|
}
|
|
/*
|
|
int id=GetDlgCtrlID( hWnd);
|
|
wsprintfA(szDebug,"\n HH @@@### hWnd= %lx, ctrlId = %d %lx", hWnd,id,id);
|
|
OutputDebugStringA(szDebug);
|
|
*/
|
|
|
|
WinHelp(hWnd, HELPFILE, HELP_WM_HELP, (ULONG_PTR)lpdwHelpInfo);
|
|
}
|
|
|
|
void WINAPI StandardContextMenu(WPARAM wParam, LPARAM, UINT nIDD)
|
|
{
|
|
LPDWORD lpdwHelpInfo = LoadHelpInfo(nIDD);
|
|
if (lpdwHelpInfo == NULL)
|
|
{
|
|
OleDbgOut1(TEXT("Warning: unable to load help information (RT_HELPINFO)\n"));
|
|
return;
|
|
}
|
|
/*
|
|
int id=GetDlgCtrlID((HWND)wParam);
|
|
wsprintfA(szDebug,"\n CC $$$*** hWnd= %lx, ctrlId = %d %lx ",(HWND)wParam,id,id);
|
|
OutputDebugStringA(szDebug);
|
|
*/
|
|
|
|
WinHelp((HWND)wParam, HELPFILE, HELP_CONTEXTMENU, (ULONG_PTR)lpdwHelpInfo);
|
|
}
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
// StandardPropertySheet (stub for Windows 95 API PropertySheet)
|
|
|
|
typedef void (WINAPI* LPFNINITCOMMONCONTROLS)(VOID);
|
|
|
|
int WINAPI StandardInitCommonControls()
|
|
{
|
|
TASKDATA* pTaskData = GetTaskData();
|
|
OleDbgAssert(pTaskData != NULL);
|
|
|
|
if (pTaskData->hInstCommCtrl == NULL)
|
|
{
|
|
pTaskData->hInstCommCtrl = LoadLibrary(TEXT("comctl32.dll"));
|
|
if (pTaskData->hInstCommCtrl == NULL)
|
|
goto Error;
|
|
|
|
LPFNINITCOMMONCONTROLS lpfnInitCommonControls = (LPFNINITCOMMONCONTROLS)
|
|
GetProcAddress(pTaskData->hInstCommCtrl, "InitCommonControls");
|
|
if (lpfnInitCommonControls == NULL)
|
|
goto ErrorFreeLibrary;
|
|
(*lpfnInitCommonControls)();
|
|
}
|
|
return 0;
|
|
|
|
ErrorFreeLibrary:
|
|
if (pTaskData->hInstCommCtrl != NULL)
|
|
{
|
|
FreeLibrary(pTaskData->hInstCommCtrl);
|
|
pTaskData->hInstCommCtrl = NULL;
|
|
}
|
|
|
|
Error:
|
|
return -1;
|
|
}
|
|
|
|
typedef int (WINAPI* LPFNPROPERTYSHEET)(LPCPROPSHEETHEADER);
|
|
|
|
int WINAPI StandardPropertySheet(LPPROPSHEETHEADER lpPS, BOOL fWide)
|
|
{
|
|
int nResult = StandardInitCommonControls();
|
|
if (nResult < 0)
|
|
return nResult;
|
|
|
|
TASKDATA* pTaskData = GetTaskData();
|
|
OleDbgAssert(pTaskData != NULL);
|
|
|
|
LPFNPROPERTYSHEET lpfnPropertySheet;
|
|
if (fWide)
|
|
{
|
|
lpfnPropertySheet = (LPFNPROPERTYSHEET)GetProcAddress(pTaskData->hInstCommCtrl, "PropertySheetW");
|
|
}
|
|
else
|
|
{
|
|
lpfnPropertySheet = (LPFNPROPERTYSHEET)GetProcAddress(pTaskData->hInstCommCtrl, "PropertySheetA");
|
|
}
|
|
if (lpfnPropertySheet == NULL)
|
|
return -1;
|
|
|
|
nResult = (*lpfnPropertySheet)(lpPS);
|
|
return nResult;
|
|
}
|
|
|
|
typedef HICON (WINAPI* LPFNEXTRACTICON)(HINSTANCE, LPCTSTR, UINT);
|
|
|
|
HICON StandardExtractIcon(HINSTANCE hInst, LPCTSTR lpszExeFileName, UINT nIconIndex)
|
|
{
|
|
TASKDATA* pTaskData = GetTaskData();
|
|
OleDbgAssert(pTaskData != NULL);
|
|
LPFNEXTRACTICON lpfnExtractIcon;
|
|
|
|
if (pTaskData->hInstShell == NULL)
|
|
{
|
|
pTaskData->hInstShell = LoadLibrary(TEXT("shell32.dll"));
|
|
if (pTaskData->hInstShell == NULL)
|
|
goto Error;
|
|
}
|
|
lpfnExtractIcon = (LPFNEXTRACTICON)
|
|
#ifdef UNICODE
|
|
GetProcAddress(pTaskData->hInstShell, "ExtractIconW");
|
|
#else
|
|
GetProcAddress(pTaskData->hInstShell, "ExtractIconA");
|
|
#endif
|
|
if (lpfnExtractIcon == NULL)
|
|
goto ErrorFreeLibrary;
|
|
return (*lpfnExtractIcon)(hInst, lpszExeFileName, nIconIndex);
|
|
|
|
ErrorFreeLibrary:
|
|
if (pTaskData->hInstShell != NULL)
|
|
{
|
|
FreeLibrary(pTaskData->hInstShell);
|
|
pTaskData->hInstShell = NULL;
|
|
}
|
|
|
|
Error:
|
|
return NULL;
|
|
}
|
|
|
|
|
|
typedef BOOL (WINAPI* LPFNGETOPENFILENAME)(LPOPENFILENAME);
|
|
|
|
BOOL StandardGetOpenFileName(LPOPENFILENAME lpofn)
|
|
{
|
|
TASKDATA* pTaskData = GetTaskData();
|
|
OleDbgAssert(pTaskData != NULL);
|
|
LPFNGETOPENFILENAME lpfnGetOpenFileName;
|
|
|
|
if (pTaskData->hInstComDlg == NULL)
|
|
{
|
|
pTaskData->hInstComDlg = LoadLibrary(TEXT("comdlg32.dll"));
|
|
if (pTaskData->hInstComDlg == NULL)
|
|
goto Error;
|
|
}
|
|
lpfnGetOpenFileName = (LPFNGETOPENFILENAME)
|
|
#ifdef UNICODE
|
|
GetProcAddress(pTaskData->hInstComDlg, "GetOpenFileNameW");
|
|
#else
|
|
GetProcAddress(pTaskData->hInstComDlg, "GetOpenFileNameA");
|
|
#endif
|
|
if (lpfnGetOpenFileName == NULL)
|
|
goto ErrorFreeLibrary;
|
|
return (*lpfnGetOpenFileName)(lpofn);
|
|
|
|
ErrorFreeLibrary:
|
|
if (pTaskData->hInstComDlg != NULL)
|
|
{
|
|
FreeLibrary(pTaskData->hInstComDlg);
|
|
pTaskData->hInstComDlg = NULL;
|
|
}
|
|
|
|
Error:
|
|
return FALSE;
|
|
}
|
|
|
|
typedef short (WINAPI* LPFNGETFILETITLE)(LPCTSTR, LPTSTR, WORD);
|
|
|
|
short StandardGetFileTitle(LPCTSTR lpszFile, LPTSTR lpszTitle, WORD cbBuf)
|
|
{
|
|
TASKDATA* pTaskData = GetTaskData();
|
|
OleDbgAssert(pTaskData != NULL);
|
|
LPFNGETFILETITLE lpfnGetFileTitle;
|
|
|
|
if (pTaskData->hInstComDlg == NULL)
|
|
{
|
|
pTaskData->hInstComDlg = LoadLibrary(TEXT("comdlg32.dll"));
|
|
if (pTaskData->hInstComDlg == NULL)
|
|
goto Error;
|
|
}
|
|
lpfnGetFileTitle = (LPFNGETFILETITLE)
|
|
#ifdef UNICODE
|
|
GetProcAddress(pTaskData->hInstComDlg, "GetFileTitleW");
|
|
#else
|
|
GetProcAddress(pTaskData->hInstComDlg, "GetFileTitleA");
|
|
#endif
|
|
if (lpfnGetFileTitle == NULL)
|
|
goto ErrorFreeLibrary;
|
|
return (*lpfnGetFileTitle)(lpszFile, lpszTitle, cbBuf);
|
|
|
|
ErrorFreeLibrary:
|
|
if (pTaskData->hInstComDlg != NULL)
|
|
{
|
|
FreeLibrary(pTaskData->hInstComDlg);
|
|
pTaskData->hInstComDlg = NULL;
|
|
}
|
|
|
|
Error:
|
|
return -1;
|
|
}
|
|
|