373 lines
11 KiB
C
373 lines
11 KiB
C
/*
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* Default dialog procedure
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*
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* Copyright 1993, 1996 Alexandre Julliard
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*
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*/
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#include "windows.h"
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#include "dialog.h"
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#include "win.h"
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#include "winproc.h"
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/***********************************************************************
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* DEFDLG_SetFocus
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*
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* Set the focus to a control of the dialog, selecting the text if
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* the control is an edit dialog.
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*/
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static void DEFDLG_SetFocus( HWND32 hwndDlg, HWND32 hwndCtrl )
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{
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HWND32 hwndPrev = GetFocus32();
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if (IsChild32( hwndDlg, hwndPrev ))
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{
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if (SendMessage16( hwndPrev, WM_GETDLGCODE, 0, 0 ) & DLGC_HASSETSEL)
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SendMessage16( hwndPrev, EM_SETSEL16, TRUE, MAKELONG( -1, 0 ) );
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}
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if (SendMessage16( hwndCtrl, WM_GETDLGCODE, 0, 0 ) & DLGC_HASSETSEL)
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SendMessage16( hwndCtrl, EM_SETSEL16, FALSE, MAKELONG( 0, -1 ) );
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SetFocus32( hwndCtrl );
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}
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/***********************************************************************
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* DEFDLG_SaveFocus
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*/
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static BOOL32 DEFDLG_SaveFocus( HWND32 hwnd, DIALOGINFO *infoPtr )
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{
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HWND32 hwndFocus = GetFocus32();
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if (!hwndFocus || !IsChild32( hwnd, hwndFocus )) return FALSE;
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infoPtr->hwndFocus = hwndFocus;
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/* Remove default button */
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return TRUE;
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}
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/***********************************************************************
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* DEFDLG_RestoreFocus
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*/
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static BOOL32 DEFDLG_RestoreFocus( HWND32 hwnd, DIALOGINFO *infoPtr )
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{
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if (!infoPtr->hwndFocus || IsIconic32(hwnd)) return FALSE;
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if (!IsWindow( infoPtr->hwndFocus )) return FALSE;
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DEFDLG_SetFocus( hwnd, infoPtr->hwndFocus );
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infoPtr->hwndFocus = 0;
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return TRUE;
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}
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/***********************************************************************
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* DEFDLG_FindDefButton
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*
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* Find the current default push-button.
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*/
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static HWND32 DEFDLG_FindDefButton( HWND32 hwndDlg )
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{
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HWND32 hwndChild = GetWindow32( hwndDlg, GW_CHILD );
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while (hwndChild)
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{
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if (SendMessage16( hwndChild, WM_GETDLGCODE, 0, 0 ) & DLGC_DEFPUSHBUTTON)
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break;
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hwndChild = GetWindow32( hwndChild, GW_HWNDNEXT );
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}
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return hwndChild;
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}
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/***********************************************************************
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* DEFDLG_SetDefButton
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*
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* Set the new default button to be hwndNew.
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*/
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static BOOL32 DEFDLG_SetDefButton( HWND32 hwndDlg, DIALOGINFO *dlgInfo,
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HWND32 hwndNew )
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{
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if (hwndNew &&
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!(SendMessage16(hwndNew, WM_GETDLGCODE, 0, 0 ) & DLGC_UNDEFPUSHBUTTON))
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return FALSE; /* Destination is not a push button */
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if (dlgInfo->idResult) /* There's already a default pushbutton */
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{
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HWND32 hwndOld = GetDlgItem32( hwndDlg, dlgInfo->idResult );
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if (SendMessage32A( hwndOld, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON)
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SendMessage32A( hwndOld, BM_SETSTYLE32, BS_PUSHBUTTON, TRUE );
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}
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if (hwndNew)
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{
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SendMessage32A( hwndNew, BM_SETSTYLE32, BS_DEFPUSHBUTTON, TRUE );
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dlgInfo->idResult = GetDlgCtrlID32( hwndNew );
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}
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else dlgInfo->idResult = 0;
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return TRUE;
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}
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/***********************************************************************
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* DEFDLG_Proc
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*
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* Implementation of DefDlgProc(). Only handle messages that need special
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* handling for dialogs.
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*/
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static LRESULT DEFDLG_Proc( HWND32 hwnd, UINT32 msg, WPARAM32 wParam,
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LPARAM lParam, DIALOGINFO *dlgInfo )
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{
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HWND32 hwndDefId;
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switch(msg)
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{
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case WM_ERASEBKGND:
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FillWindow( hwnd, hwnd, (HDC16)wParam, (HBRUSH16)CTLCOLOR_DLG );
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return 1;
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case WM_NCDESTROY:
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/* Free dialog heap (if created) */
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if (dlgInfo->hDialogHeap)
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{
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GlobalUnlock16(dlgInfo->hDialogHeap);
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GlobalFree16(dlgInfo->hDialogHeap);
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dlgInfo->hDialogHeap = 0;
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}
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/* Delete font */
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if (dlgInfo->hUserFont)
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{
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DeleteObject32( dlgInfo->hUserFont );
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dlgInfo->hUserFont = 0;
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}
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/* Delete menu */
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if (dlgInfo->hMenu)
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{
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DestroyMenu32( dlgInfo->hMenu );
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dlgInfo->hMenu = 0;
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}
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/* Delete window procedure */
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WINPROC_FreeProc( dlgInfo->dlgProc );
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dlgInfo->dlgProc = (HWINDOWPROC)0;
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dlgInfo->fEnd = TRUE; /* just in case */
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/* Window clean-up */
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return DefWindowProc32A( hwnd, msg, wParam, lParam );
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case WM_SHOWWINDOW:
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if (!wParam) DEFDLG_SaveFocus( hwnd, dlgInfo );
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return DefWindowProc32A( hwnd, msg, wParam, lParam );
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case WM_ACTIVATE:
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if (wParam) DEFDLG_RestoreFocus( hwnd, dlgInfo );
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else DEFDLG_SaveFocus( hwnd, dlgInfo );
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return 0;
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case WM_SETFOCUS:
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DEFDLG_RestoreFocus( hwnd, dlgInfo );
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return 0;
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case DM_SETDEFID:
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if (dlgInfo->fEnd) return 1;
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DEFDLG_SetDefButton( hwnd, dlgInfo,
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wParam ? GetDlgItem32( hwnd, wParam ) : 0 );
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return 1;
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case DM_GETDEFID:
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if (dlgInfo->fEnd) return 0;
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if (dlgInfo->idResult)
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return MAKELONG( dlgInfo->idResult, DC_HASDEFID );
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hwndDefId = DEFDLG_FindDefButton( hwnd );
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if (hwndDefId)
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return MAKELONG( GetDlgCtrlID32( hwndDefId ), DC_HASDEFID);
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return 0;
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case WM_NEXTDLGCTL:
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{
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HWND32 hwndDest = (HWND32)wParam;
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if (!lParam)
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hwndDest = GetNextDlgTabItem32(hwnd, GetFocus32(), wParam);
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if (hwndDest) DEFDLG_SetFocus( hwnd, hwndDest );
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DEFDLG_SetDefButton( hwnd, dlgInfo, hwndDest );
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}
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return 0;
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case WM_GETFONT:
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return dlgInfo->hUserFont;
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case WM_CLOSE:
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EndDialog( hwnd, TRUE );
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DestroyWindow32( hwnd );
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return 0;
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}
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return 0;
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}
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/***********************************************************************
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* DEFDLG_Signoff
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*/
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static LRESULT DEFDLG_Signoff(DIALOGINFO* dlgInfo, UINT32 msg, BOOL16 fResult)
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{
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/* see SDK 3.1 */
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if ((msg >= WM_CTLCOLORMSGBOX && msg <= WM_CTLCOLORSTATIC) ||
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msg == WM_CTLCOLOR || msg == WM_COMPAREITEM ||
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msg == WM_VKEYTOITEM || msg == WM_CHARTOITEM ||
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msg == WM_QUERYDRAGICON || msg == WM_INITDIALOG)
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return fResult;
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return dlgInfo->msgResult;
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}
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/***********************************************************************
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* DefDlgProc16 (USER.308)
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*/
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LRESULT DefDlgProc16( HWND16 hwnd, UINT16 msg, WPARAM16 wParam, LPARAM lParam )
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{
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DIALOGINFO * dlgInfo;
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BOOL16 result = FALSE;
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WND * wndPtr = WIN_FindWndPtr( hwnd );
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if (!wndPtr) return 0;
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dlgInfo = (DIALOGINFO *)&wndPtr->wExtra;
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dlgInfo->msgResult = 0;
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if (dlgInfo->dlgProc) /* Call dialog procedure */
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result = (BOOL16)CallWindowProc16( (WNDPROC16)dlgInfo->dlgProc,
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hwnd, msg, wParam, lParam );
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/* Check if window was destroyed by dialog procedure */
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if( !result && IsWindow(hwnd))
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{
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/* callback didn't process this message */
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switch(msg)
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{
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case WM_ERASEBKGND:
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case WM_SHOWWINDOW:
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case WM_ACTIVATE:
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case WM_SETFOCUS:
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case DM_SETDEFID:
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case DM_GETDEFID:
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case WM_NEXTDLGCTL:
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case WM_GETFONT:
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case WM_CLOSE:
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case WM_NCDESTROY:
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return DEFDLG_Proc( (HWND32)hwnd, msg,
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(WPARAM32)wParam, lParam, dlgInfo );
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case WM_INITDIALOG:
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case WM_VKEYTOITEM:
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case WM_COMPAREITEM:
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case WM_CHARTOITEM:
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break;
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default:
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return DefWindowProc16( hwnd, msg, wParam, lParam );
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}
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}
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return DEFDLG_Signoff(dlgInfo, msg, result);
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}
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/***********************************************************************
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* DefDlgProc32A (USER32.119)
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*/
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LRESULT DefDlgProc32A( HWND32 hwnd, UINT32 msg, WPARAM32 wParam, LPARAM lParam)
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{
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DIALOGINFO * dlgInfo;
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BOOL16 result = FALSE;
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WND * wndPtr = WIN_FindWndPtr( hwnd );
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if (!wndPtr) return 0;
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dlgInfo = (DIALOGINFO *)&wndPtr->wExtra;
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dlgInfo->msgResult = 0;
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if (dlgInfo->dlgProc) /* Call dialog procedure */
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result = (BOOL16)CallWindowProc32A( (WNDPROC32)dlgInfo->dlgProc,
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hwnd, msg, wParam, lParam );
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/* Check if window was destroyed by dialog procedure */
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if( !result && IsWindow(hwnd))
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{
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/* callback didn't process this message */
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switch(msg)
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{
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case WM_ERASEBKGND:
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case WM_SHOWWINDOW:
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case WM_ACTIVATE:
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case WM_SETFOCUS:
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case DM_SETDEFID:
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case DM_GETDEFID:
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case WM_NEXTDLGCTL:
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case WM_GETFONT:
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case WM_CLOSE:
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case WM_NCDESTROY:
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return DEFDLG_Proc( (HWND32)hwnd, msg,
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(WPARAM32)wParam, lParam, dlgInfo );
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case WM_INITDIALOG:
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case WM_VKEYTOITEM:
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case WM_COMPAREITEM:
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case WM_CHARTOITEM:
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break;
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default:
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return DefWindowProc32A( hwnd, msg, wParam, lParam );
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}
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}
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return DEFDLG_Signoff(dlgInfo, msg, result);
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}
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/***********************************************************************
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* DefDlgProc32W (USER32.120)
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*/
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LRESULT DefDlgProc32W( HWND32 hwnd, UINT32 msg, WPARAM32 wParam, LPARAM lParam)
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{
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DIALOGINFO * dlgInfo;
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BOOL16 result = FALSE;
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WND * wndPtr = WIN_FindWndPtr( hwnd );
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if (!wndPtr) return 0;
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dlgInfo = (DIALOGINFO *)&wndPtr->wExtra;
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dlgInfo->msgResult = 0;
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if (dlgInfo->dlgProc) /* Call dialog procedure */
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result = (BOOL16)CallWindowProc32W( (WNDPROC32)dlgInfo->dlgProc,
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hwnd, msg, wParam, lParam );
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/* Check if window was destroyed by dialog procedure */
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if( !result && IsWindow(hwnd))
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{
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/* callback didn't process this message */
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switch(msg)
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{
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case WM_ERASEBKGND:
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case WM_SHOWWINDOW:
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case WM_ACTIVATE:
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case WM_SETFOCUS:
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case DM_SETDEFID:
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case DM_GETDEFID:
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case WM_NEXTDLGCTL:
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case WM_GETFONT:
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case WM_CLOSE:
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case WM_NCDESTROY:
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return DEFDLG_Proc( (HWND32)hwnd, msg,
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(WPARAM32)wParam, lParam, dlgInfo );
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case WM_INITDIALOG:
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case WM_VKEYTOITEM:
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case WM_COMPAREITEM:
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case WM_CHARTOITEM:
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break;
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default:
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return DefWindowProc32W( hwnd, msg, wParam, lParam );
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}
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}
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return DEFDLG_Signoff(dlgInfo, msg, result);
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}
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