430 lines
13 KiB
C
430 lines
13 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 "windef.h"
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#include "winbase.h"
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#include "wingdi.h"
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#include "wine/winuser16.h"
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#include "controls.h"
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#include "win.h"
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#include "winproc.h"
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#include "debugtools.h"
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DEFAULT_DEBUG_CHANNEL(dialog);
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/***********************************************************************
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* DEFDLG_GetDlgProc
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*/
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static WNDPROC DEFDLG_GetDlgProc( HWND hwnd )
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{
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WNDPROC ret;
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WND *wndPtr = WIN_GetPtr( hwnd );
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if (!wndPtr) return 0;
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if (wndPtr == WND_OTHER_PROCESS)
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{
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ERR( "cannot get dlg proc %x from other process\n", hwnd );
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return 0;
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}
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ret = *(WNDPROC *)((char *)wndPtr->wExtra + DWL_DLGPROC);
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WIN_ReleasePtr( wndPtr );
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return ret;
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}
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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( HWND hwndDlg, HWND hwndCtrl )
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{
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HWND hwndPrev = GetFocus();
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if (IsChild( hwndDlg, hwndPrev ))
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{
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if (SendMessageW( hwndPrev, WM_GETDLGCODE, 0, 0 ) & DLGC_HASSETSEL)
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SendMessageW( hwndPrev, EM_SETSEL, -1, 0 );
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}
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if (SendMessageW( hwndCtrl, WM_GETDLGCODE, 0, 0 ) & DLGC_HASSETSEL)
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SendMessageW( hwndCtrl, EM_SETSEL, 0, -1 );
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SetFocus( hwndCtrl );
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}
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/***********************************************************************
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* DEFDLG_SaveFocus
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*/
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static void DEFDLG_SaveFocus( HWND hwnd )
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{
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DIALOGINFO *infoPtr;
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HWND hwndFocus = GetFocus();
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if (!hwndFocus || !IsChild( hwnd, hwndFocus )) return;
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if (!(infoPtr = DIALOG_get_info( hwnd ))) return;
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infoPtr->hwndFocus = hwndFocus;
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/* Remove default button */
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}
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/***********************************************************************
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* DEFDLG_RestoreFocus
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*/
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static void DEFDLG_RestoreFocus( HWND hwnd )
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{
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DIALOGINFO *infoPtr;
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if (IsIconic( hwnd )) return;
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if (!(infoPtr = DIALOG_get_info( hwnd ))) return;
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if (!IsWindow( infoPtr->hwndFocus )) return;
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/* Don't set the focus back to controls if EndDialog is already called.*/
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if (!(infoPtr->flags & DF_END))
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{
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DEFDLG_SetFocus( hwnd, infoPtr->hwndFocus );
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return;
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}
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/* This used to set infoPtr->hwndFocus to NULL for no apparent reason,
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sometimes losing focus when receiving WM_SETFOCUS messages. */
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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 HWND DEFDLG_FindDefButton( HWND hwndDlg )
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{
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HWND hwndChild = GetWindow( hwndDlg, GW_CHILD );
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while (hwndChild)
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{
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if (SendMessageW( hwndChild, WM_GETDLGCODE, 0, 0 ) & DLGC_DEFPUSHBUTTON)
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break;
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hwndChild = GetWindow( 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 BOOL DEFDLG_SetDefButton( HWND hwndDlg, DIALOGINFO *dlgInfo,
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HWND hwndNew )
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{
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DWORD dlgcode=0; /* initialize just to avoid a warning */
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if (hwndNew &&
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!((dlgcode=SendMessageW(hwndNew, WM_GETDLGCODE, 0, 0 ))
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& (DLGC_UNDEFPUSHBUTTON | DLGC_BUTTON)))
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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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HWND hwndOld = GetDlgItem( hwndDlg, dlgInfo->idResult );
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if (SendMessageA( hwndOld, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON)
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SendMessageA( hwndOld, BM_SETSTYLE, BS_PUSHBUTTON, TRUE );
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}
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if (hwndNew)
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{
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if(dlgcode==DLGC_UNDEFPUSHBUTTON)
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SendMessageA( hwndNew, BM_SETSTYLE, BS_DEFPUSHBUTTON, TRUE );
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dlgInfo->idResult = GetDlgCtrlID( 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( HWND hwnd, UINT msg, WPARAM wParam,
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LPARAM lParam, DIALOGINFO *dlgInfo )
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{
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switch(msg)
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{
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case WM_ERASEBKGND:
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{
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HBRUSH brush = SendMessageW( hwnd, WM_CTLCOLORDLG, wParam, (LPARAM)hwnd );
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if (!brush) brush = DefWindowProcW( hwnd, WM_CTLCOLORDLG, wParam, (LPARAM)hwnd );
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if (brush)
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{
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RECT rect;
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HDC hdc = (HDC)wParam;
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GetClientRect( hwnd, &rect );
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DPtoLP( hdc, (LPPOINT)&rect, 2 );
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FillRect( hdc, &rect, brush );
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}
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return 1;
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}
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case WM_NCDESTROY:
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if ((dlgInfo = (DIALOGINFO *)SetWindowLongW( hwnd, DWL_WINE_DIALOGINFO, 0 )))
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{
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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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}
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if (dlgInfo->hUserFont) DeleteObject( dlgInfo->hUserFont );
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if (dlgInfo->hMenu) DestroyMenu( dlgInfo->hMenu );
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WINPROC_FreeProc( DEFDLG_GetDlgProc( hwnd ), WIN_PROC_WINDOW );
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HeapFree( GetProcessHeap(), 0, dlgInfo );
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}
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/* Window clean-up */
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return DefWindowProcA( hwnd, msg, wParam, lParam );
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case WM_SHOWWINDOW:
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if (!wParam) DEFDLG_SaveFocus( hwnd );
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return DefWindowProcA( hwnd, msg, wParam, lParam );
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case WM_ACTIVATE:
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if (wParam) DEFDLG_RestoreFocus( hwnd );
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else DEFDLG_SaveFocus( hwnd );
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return 0;
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case WM_SETFOCUS:
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DEFDLG_RestoreFocus( hwnd );
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return 0;
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case DM_SETDEFID:
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if (dlgInfo->flags & DF_END) return 1;
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DEFDLG_SetDefButton( hwnd, dlgInfo,
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wParam ? GetDlgItem( hwnd, wParam ) : 0 );
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return 1;
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case DM_GETDEFID:
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{
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HWND hwndDefId;
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if (dlgInfo->flags & DF_END) return 0;
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if (dlgInfo->idResult)
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return MAKELONG( dlgInfo->idResult, DC_HASDEFID );
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if ((hwndDefId = DEFDLG_FindDefButton( hwnd )))
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return MAKELONG( GetDlgCtrlID( hwndDefId ), DC_HASDEFID);
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}
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return 0;
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case WM_NEXTDLGCTL:
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{
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HWND hwndDest = (HWND)wParam;
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if (!lParam)
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hwndDest = GetNextDlgTabItem(hwnd, GetFocus(), 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_ENTERMENULOOP:
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case WM_LBUTTONDOWN:
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case WM_NCLBUTTONDOWN:
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{
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HWND hwndFocus = GetFocus();
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if (hwndFocus)
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{
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/* always make combo box hide its listbox control */
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if (!SendMessageA( hwndFocus, CB_SHOWDROPDOWN, FALSE, 0 ))
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SendMessageA( GetParent(hwndFocus), CB_SHOWDROPDOWN, FALSE, 0 );
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}
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}
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return DefWindowProcA( hwnd, msg, wParam, lParam );
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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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PostMessageA( hwnd, WM_COMMAND, IDCANCEL,
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(LPARAM)GetDlgItem( hwnd, IDCANCEL ) );
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return 0;
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case WM_NOTIFYFORMAT:
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return DefWindowProcA( hwnd, msg, wParam, lParam );
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}
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return 0;
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}
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/***********************************************************************
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* DEFDLG_Epilog
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*/
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static LRESULT DEFDLG_Epilog(HWND hwnd, UINT msg, BOOL 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 GetWindowLongA( hwnd, DWL_MSGRESULT );
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}
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/***********************************************************************
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* DefDlgProc (USER.308)
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*/
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LRESULT WINAPI DefDlgProc16( HWND16 hwnd, UINT16 msg, WPARAM16 wParam,
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LPARAM lParam )
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{
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WNDPROC16 dlgproc;
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HWND hwnd32 = WIN_Handle32( hwnd );
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BOOL result = FALSE;
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SetWindowLongW( hwnd32, DWL_MSGRESULT, 0 );
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if ((dlgproc = (WNDPROC16)DEFDLG_GetDlgProc( hwnd32 )))
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{
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/* Call dialog procedure */
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result = CallWindowProc16( dlgproc, hwnd, msg, wParam, lParam );
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/* 16 bit dlg procs only return BOOL16 */
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if( WINPROC_GetProcType( dlgproc ) == WIN_PROC_16 )
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result = LOWORD(result);
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}
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if (!result && IsWindow(hwnd32))
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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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case WM_ENTERMENULOOP:
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case WM_LBUTTONDOWN:
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case WM_NCLBUTTONDOWN:
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return DEFDLG_Proc( hwnd32, msg, (WPARAM)wParam, lParam, DIALOG_get_info(hwnd32) );
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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_Epilog( hwnd32, msg, result);
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}
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/***********************************************************************
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* DefDlgProcA (USER32.@)
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*/
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LRESULT WINAPI DefDlgProcA( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
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{
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WNDPROC dlgproc;
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BOOL result = FALSE;
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SetWindowLongW( hwnd, DWL_MSGRESULT, 0 );
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if ((dlgproc = DEFDLG_GetDlgProc( hwnd )))
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{
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/* Call dialog procedure */
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result = CallWindowProcA( dlgproc, hwnd, msg, wParam, lParam );
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/* 16 bit dlg procs only return BOOL16 */
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if( WINPROC_GetProcType( dlgproc ) == WIN_PROC_16 )
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result = LOWORD(result);
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}
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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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case WM_ENTERMENULOOP:
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case WM_LBUTTONDOWN:
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case WM_NCLBUTTONDOWN:
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return DEFDLG_Proc( hwnd, msg, wParam, lParam, DIALOG_get_info(hwnd) );
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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 DefWindowProcA( hwnd, msg, wParam, lParam );
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}
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}
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return DEFDLG_Epilog(hwnd, msg, result);
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}
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/***********************************************************************
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* DefDlgProcW (USER32.@)
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*/
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LRESULT WINAPI DefDlgProcW( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
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{
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BOOL result = FALSE;
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WNDPROC dlgproc;
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SetWindowLongW( hwnd, DWL_MSGRESULT, 0 );
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if ((dlgproc = DEFDLG_GetDlgProc( hwnd )))
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{
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/* Call dialog procedure */
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result = CallWindowProcW( dlgproc, hwnd, msg, wParam, lParam );
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/* 16 bit dlg procs only return BOOL16 */
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if( WINPROC_GetProcType( dlgproc ) == WIN_PROC_16 )
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result = LOWORD(result);
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}
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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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case WM_ENTERMENULOOP:
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case WM_LBUTTONDOWN:
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case WM_NCLBUTTONDOWN:
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return DEFDLG_Proc( hwnd, msg, wParam, lParam, DIALOG_get_info(hwnd) );
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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 DefWindowProcW( hwnd, msg, wParam, lParam );
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}
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}
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return DEFDLG_Epilog(hwnd, msg, result);
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}
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