/* * Default dialog procedure * * Copyright 1993, 1996 Alexandre Julliard * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #include <stdarg.h> #include "windef.h" #include "winbase.h" #include "wingdi.h" #include "wine/winuser16.h" #include "controls.h" #include "win.h" #include "user_private.h" #include "wine/debug.h" WINE_DEFAULT_DEBUG_CHANNEL(dialog); /*********************************************************************** * DEFDLG_GetDlgProc */ static DLGPROC DEFDLG_GetDlgProc( HWND hwnd ) { DLGPROC ret; WND *wndPtr = WIN_GetPtr( hwnd ); if (!wndPtr) return 0; if (wndPtr == WND_OTHER_PROCESS) { ERR( "cannot get dlg proc %p from other process\n", hwnd ); return 0; } ret = *(DLGPROC *)((char *)wndPtr->wExtra + DWLP_DLGPROC); WIN_ReleasePtr( wndPtr ); return ret; } /*********************************************************************** * DEFDLG_SetFocus * * Set the focus to a control of the dialog, selecting the text if * the control is an edit dialog. */ static void DEFDLG_SetFocus( HWND hwndDlg, HWND hwndCtrl ) { if (SendMessageW( hwndCtrl, WM_GETDLGCODE, 0, 0 ) & DLGC_HASSETSEL) SendMessageW( hwndCtrl, EM_SETSEL, 0, -1 ); SetFocus( hwndCtrl ); } /*********************************************************************** * DEFDLG_SaveFocus */ static void DEFDLG_SaveFocus( HWND hwnd ) { DIALOGINFO *infoPtr; HWND hwndFocus = GetFocus(); if (!hwndFocus || !IsChild( hwnd, hwndFocus )) return; if (!(infoPtr = DIALOG_get_info( hwnd, FALSE ))) return; infoPtr->hwndFocus = hwndFocus; /* Remove default button */ } /*********************************************************************** * DEFDLG_RestoreFocus */ static void DEFDLG_RestoreFocus( HWND hwnd ) { DIALOGINFO *infoPtr; if (IsIconic( hwnd )) return; if (!(infoPtr = DIALOG_get_info( hwnd, FALSE ))) return; /* Don't set the focus back to controls if EndDialog is already called.*/ if (infoPtr->flags & DF_END) return; if (!IsWindow(infoPtr->hwndFocus) || infoPtr->hwndFocus == hwnd) { /* If no saved focus control exists, set focus to the first visible, non-disabled, WS_TABSTOP control in the dialog */ infoPtr->hwndFocus = GetNextDlgTabItem( hwnd, 0, FALSE ); if (!IsWindow( infoPtr->hwndFocus )) return; } DEFDLG_SetFocus( hwnd, infoPtr->hwndFocus ); /* This used to set infoPtr->hwndFocus to NULL for no apparent reason, sometimes losing focus when receiving WM_SETFOCUS messages. */ } /*********************************************************************** * DEFDLG_FindDefButton * * Find the current default push-button. */ static HWND DEFDLG_FindDefButton( HWND hwndDlg ) { HWND hwndChild, hwndTmp; hwndChild = GetWindow( hwndDlg, GW_CHILD ); while (hwndChild) { if (SendMessageW( hwndChild, WM_GETDLGCODE, 0, 0 ) & DLGC_DEFPUSHBUTTON) break; /* Recurse into WS_EX_CONTROLPARENT controls */ if (GetWindowLongW( hwndChild, GWL_EXSTYLE ) & WS_EX_CONTROLPARENT) { LONG dsStyle = GetWindowLongW( hwndChild, GWL_STYLE ); if ((dsStyle & WS_VISIBLE) && !(dsStyle & WS_DISABLED) && (hwndTmp = DEFDLG_FindDefButton(hwndChild)) != NULL) return hwndTmp; } hwndChild = GetWindow( hwndChild, GW_HWNDNEXT ); } return hwndChild; } /*********************************************************************** * DEFDLG_SetDefId * * Set the default button id. */ static BOOL DEFDLG_SetDefId( HWND hwndDlg, DIALOGINFO *dlgInfo, WPARAM wParam) { DWORD dlgcode=0; /* initialize just to avoid a warning */ HWND hwndOld, hwndNew = GetDlgItem(hwndDlg, wParam); INT old_id = dlgInfo->idResult; dlgInfo->idResult = wParam; if (hwndNew && !((dlgcode=SendMessageW(hwndNew, WM_GETDLGCODE, 0, 0 )) & (DLGC_UNDEFPUSHBUTTON | DLGC_BUTTON))) return FALSE; /* Destination is not a push button */ /* Make sure the old default control is a valid push button ID */ hwndOld = GetDlgItem( hwndDlg, old_id ); if (!hwndOld || !(SendMessageW( hwndOld, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON)) hwndOld = DEFDLG_FindDefButton( hwndDlg ); if (hwndOld && hwndOld != hwndNew) SendMessageW( hwndOld, BM_SETSTYLE, BS_PUSHBUTTON, TRUE ); if (hwndNew) { if(dlgcode & DLGC_UNDEFPUSHBUTTON) SendMessageW( hwndNew, BM_SETSTYLE, BS_DEFPUSHBUTTON, TRUE ); } return TRUE; } /*********************************************************************** * DEFDLG_SetDefButton * * Set the new default button to be hwndNew. */ static BOOL DEFDLG_SetDefButton( HWND hwndDlg, DIALOGINFO *dlgInfo, HWND hwndNew ) { DWORD dlgcode=0; /* initialize just to avoid a warning */ HWND hwndOld = GetDlgItem( hwndDlg, dlgInfo->idResult ); if (hwndNew && !((dlgcode=SendMessageW(hwndNew, WM_GETDLGCODE, 0, 0 )) & (DLGC_UNDEFPUSHBUTTON | DLGC_DEFPUSHBUTTON))) { /** * Need to draw only default push button rectangle. * Since the next control is not a push button, need to draw the push * button rectangle for the default control. */ hwndNew = hwndOld; dlgcode = SendMessageW(hwndNew, WM_GETDLGCODE, 0, 0 ); } /* Make sure the old default control is a valid push button ID */ if (!hwndOld || !(SendMessageW( hwndOld, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON)) hwndOld = DEFDLG_FindDefButton( hwndDlg ); if (hwndOld && hwndOld != hwndNew) SendMessageW( hwndOld, BM_SETSTYLE, BS_PUSHBUTTON, TRUE ); if (hwndNew) { if(dlgcode & DLGC_UNDEFPUSHBUTTON) SendMessageW( hwndNew, BM_SETSTYLE, BS_DEFPUSHBUTTON, TRUE ); } return TRUE; } /*********************************************************************** * DEFDLG_Proc * * Implementation of DefDlgProc(). Only handle messages that need special * handling for dialogs. */ static LRESULT DEFDLG_Proc( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam, DIALOGINFO *dlgInfo ) { switch(msg) { case WM_ERASEBKGND: { HBRUSH brush = (HBRUSH)SendMessageW( hwnd, WM_CTLCOLORDLG, wParam, (LPARAM)hwnd ); if (!brush) brush = (HBRUSH)DefWindowProcW( hwnd, WM_CTLCOLORDLG, wParam, (LPARAM)hwnd ); if (brush) { RECT rect; HDC hdc = (HDC)wParam; GetClientRect( hwnd, &rect ); DPtoLP( hdc, (LPPOINT)&rect, 2 ); FillRect( hdc, &rect, brush ); } return 1; } case WM_NCDESTROY: if (dlgInfo) { WND *wndPtr; /* Free dialog heap (if created) */ if (dlgInfo->hDialogHeap) { GlobalUnlock16(dlgInfo->hDialogHeap); GlobalFree16(dlgInfo->hDialogHeap); } if (dlgInfo->hUserFont) DeleteObject( dlgInfo->hUserFont ); if (dlgInfo->hMenu) DestroyMenu( dlgInfo->hMenu ); HeapFree( GetProcessHeap(), 0, dlgInfo ); wndPtr = WIN_GetPtr( hwnd ); wndPtr->dlgInfo = NULL; WIN_ReleasePtr( wndPtr ); } /* Window clean-up */ return DefWindowProcA( hwnd, msg, wParam, lParam ); case WM_SHOWWINDOW: if (!wParam) DEFDLG_SaveFocus( hwnd ); return DefWindowProcA( hwnd, msg, wParam, lParam ); case WM_ACTIVATE: if (wParam) DEFDLG_RestoreFocus( hwnd ); else DEFDLG_SaveFocus( hwnd ); return 0; case WM_SETFOCUS: DEFDLG_RestoreFocus( hwnd ); return 0; case DM_SETDEFID: if (dlgInfo && !(dlgInfo->flags & DF_END)) DEFDLG_SetDefId( hwnd, dlgInfo, wParam ); return 1; case DM_GETDEFID: if (dlgInfo && !(dlgInfo->flags & DF_END)) { HWND hwndDefId; if (dlgInfo->idResult) return MAKELONG( dlgInfo->idResult, DC_HASDEFID ); if ((hwndDefId = DEFDLG_FindDefButton( hwnd ))) return MAKELONG( GetDlgCtrlID( hwndDefId ), DC_HASDEFID); } return 0; case WM_NEXTDLGCTL: if (dlgInfo) { HWND hwndDest = (HWND)wParam; if (!lParam) hwndDest = GetNextDlgTabItem(hwnd, GetFocus(), wParam); if (hwndDest) DEFDLG_SetFocus( hwnd, hwndDest ); DEFDLG_SetDefButton( hwnd, dlgInfo, hwndDest ); } return 0; case WM_ENTERMENULOOP: case WM_LBUTTONDOWN: case WM_NCLBUTTONDOWN: { HWND hwndFocus = GetFocus(); if (hwndFocus) { /* always make combo box hide its listbox control */ if (!SendMessageW( hwndFocus, CB_SHOWDROPDOWN, FALSE, 0 )) SendMessageW( GetParent(hwndFocus), CB_SHOWDROPDOWN, FALSE, 0 ); } } return DefWindowProcA( hwnd, msg, wParam, lParam ); case WM_GETFONT: return dlgInfo ? (LRESULT)dlgInfo->hUserFont : 0; case WM_CLOSE: PostMessageA( hwnd, WM_COMMAND, MAKEWPARAM(IDCANCEL, BN_CLICKED), (LPARAM)GetDlgItem( hwnd, IDCANCEL ) ); return 0; } return 0; } /*********************************************************************** * DEFDLG_Epilog */ static LRESULT DEFDLG_Epilog(HWND hwnd, UINT msg, BOOL fResult) { /* see SDK 3.1 */ if ((msg >= WM_CTLCOLORMSGBOX && msg <= WM_CTLCOLORSTATIC) || msg == WM_CTLCOLOR || msg == WM_COMPAREITEM || msg == WM_VKEYTOITEM || msg == WM_CHARTOITEM || msg == WM_QUERYDRAGICON || msg == WM_INITDIALOG) return fResult; return GetWindowLongPtrW( hwnd, DWLP_MSGRESULT ); } /*********************************************************************** * DIALOG_get_info * * Get the DIALOGINFO structure of a window, allocating it if needed * and 'create' is TRUE. */ DIALOGINFO *DIALOG_get_info( HWND hwnd, BOOL create ) { WND* wndPtr; DIALOGINFO* dlgInfo; wndPtr = WIN_GetPtr( hwnd ); if (!wndPtr || wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return NULL; dlgInfo = wndPtr->dlgInfo; if (!dlgInfo && create) { if (!(dlgInfo = HeapAlloc( GetProcessHeap(), 0, sizeof(*dlgInfo) ))) goto out; dlgInfo->hwndFocus = 0; dlgInfo->hUserFont = 0; dlgInfo->hMenu = 0; dlgInfo->xBaseUnit = 0; dlgInfo->yBaseUnit = 0; dlgInfo->idResult = 0; dlgInfo->flags = 0; dlgInfo->hDialogHeap = 0; wndPtr->dlgInfo = dlgInfo; wndPtr->flags |= WIN_ISDIALOG; } out: WIN_ReleasePtr( wndPtr ); return dlgInfo; } /*********************************************************************** * DefDlgProc (USER.308) */ LRESULT WINAPI DefDlgProc16( HWND16 hwnd, UINT16 msg, WPARAM16 wParam, LPARAM lParam ) { DIALOGINFO *dlgInfo; DLGPROC16 dlgproc; HWND hwnd32 = WIN_Handle32( hwnd ); BOOL result = FALSE; /* Perform DIALOGINFO initialization if not done */ if(!(dlgInfo = DIALOG_get_info(hwnd32, TRUE))) return -1; SetWindowLongPtrW( hwnd32, DWLP_MSGRESULT, 0 ); if ((dlgproc = (DLGPROC16)DEFDLG_GetDlgProc( hwnd32 ))) /* Call dialog procedure */ result = WINPROC_CallDlgProc16( dlgproc, hwnd, msg, wParam, lParam ); if (!result && IsWindow(hwnd32)) { /* callback didn't process this message */ switch(msg) { case WM_ERASEBKGND: case WM_SHOWWINDOW: case WM_ACTIVATE: case WM_SETFOCUS: case DM_SETDEFID: case DM_GETDEFID: case WM_NEXTDLGCTL: case WM_GETFONT: case WM_CLOSE: case WM_NCDESTROY: case WM_ENTERMENULOOP: case WM_LBUTTONDOWN: case WM_NCLBUTTONDOWN: return DEFDLG_Proc( hwnd32, msg, (WPARAM)wParam, lParam, dlgInfo ); case WM_INITDIALOG: case WM_VKEYTOITEM: case WM_COMPAREITEM: case WM_CHARTOITEM: break; default: return DefWindowProc16( hwnd, msg, wParam, lParam ); } } return DEFDLG_Epilog( hwnd32, msg, result); } /*********************************************************************** * DefDlgProcA (USER32.@) */ LRESULT WINAPI DefDlgProcA( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam ) { DIALOGINFO *dlgInfo; DLGPROC dlgproc; BOOL result = FALSE; /* Perform DIALOGINFO initialization if not done */ if(!(dlgInfo = DIALOG_get_info( hwnd, TRUE ))) return -1; SetWindowLongPtrW( hwnd, DWLP_MSGRESULT, 0 ); if ((dlgproc = DEFDLG_GetDlgProc( hwnd ))) /* Call dialog procedure */ result = WINPROC_CallDlgProcA( dlgproc, hwnd, msg, wParam, lParam ); if (!result && IsWindow(hwnd)) { /* callback didn't process this message */ switch(msg) { case WM_ERASEBKGND: case WM_SHOWWINDOW: case WM_ACTIVATE: case WM_SETFOCUS: case DM_SETDEFID: case DM_GETDEFID: case WM_NEXTDLGCTL: case WM_GETFONT: case WM_CLOSE: case WM_NCDESTROY: case WM_ENTERMENULOOP: case WM_LBUTTONDOWN: case WM_NCLBUTTONDOWN: return DEFDLG_Proc( hwnd, msg, wParam, lParam, dlgInfo ); case WM_INITDIALOG: case WM_VKEYTOITEM: case WM_COMPAREITEM: case WM_CHARTOITEM: break; default: return DefWindowProcA( hwnd, msg, wParam, lParam ); } } return DEFDLG_Epilog(hwnd, msg, result); } /*********************************************************************** * DefDlgProcW (USER32.@) */ LRESULT WINAPI DefDlgProcW( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam ) { DIALOGINFO *dlgInfo; BOOL result = FALSE; DLGPROC dlgproc; /* Perform DIALOGINFO initialization if not done */ if(!(dlgInfo = DIALOG_get_info( hwnd, TRUE ))) return -1; SetWindowLongPtrW( hwnd, DWLP_MSGRESULT, 0 ); if ((dlgproc = DEFDLG_GetDlgProc( hwnd ))) /* Call dialog procedure */ result = WINPROC_CallDlgProcW( dlgproc, hwnd, msg, wParam, lParam ); if (!result && IsWindow(hwnd)) { /* callback didn't process this message */ switch(msg) { case WM_ERASEBKGND: case WM_SHOWWINDOW: case WM_ACTIVATE: case WM_SETFOCUS: case DM_SETDEFID: case DM_GETDEFID: case WM_NEXTDLGCTL: case WM_GETFONT: case WM_CLOSE: case WM_NCDESTROY: case WM_ENTERMENULOOP: case WM_LBUTTONDOWN: case WM_NCLBUTTONDOWN: return DEFDLG_Proc( hwnd, msg, wParam, lParam, dlgInfo ); case WM_INITDIALOG: case WM_VKEYTOITEM: case WM_COMPAREITEM: case WM_CHARTOITEM: break; default: return DefWindowProcW( hwnd, msg, wParam, lParam ); } } return DEFDLG_Epilog(hwnd, msg, result); }