dlgend.c File Reference

#include "precomp.h"

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Functions
BOOL	EndDialog (HWND hwnd, INT_PTR result)

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Function Documentation

BOOL EndDialog (  HWND  hwnd, INT_PTR  result )

Definition at line 24 of file dlgend.c. References BOOL, CheckLock, FALSE, GetActiveWindow(), GetFocus(), GetWindowCreator, HWq, IsChild(), IsWindow(), L, NtUserCallNoParam(), NtUserEnableWindow, NtUserSetActiveWindow(), NtUserSetFocus(), NtUserSetWindowPos(), NULL, PDLG, PostMessage(), REBASEPTR, SAMEWOWHANDLE, SetSysModalWindow, TRUE, ValidateDialogPwnd(), and ValidateHwnd. Referenced by About(), CDlg::DoCommand(), CDlg::EndDialog(), EnterNew(), FindDialogProc(), HelpDlgProc(), MB_DlgProcWorker(), MDIActivateDlgProcWorker(), CDialog::OnCommand(), OpenFiles(), and ResultsDlgProc(). { PWND pwnd; PWND pwndOwner; HWND hwndOwner; BOOL fWasActive = FALSE; #ifdef SYSMODALWINDOWS HWND hwndOldSysModal; #endif if ((pwnd = ValidateHwnd(hwnd)) == NULL) { return (0L); } CheckLock(pwnd); /* * Must do special validation here to make sure pwnd is a dialog window. */ if (!ValidateDialogPwnd(pwnd)) return 0; if (SAMEWOWHANDLE(hwnd, GetActiveWindow())) { fWasActive = TRUE; } /* * GetWindowCreator returns either a kernel address or NULL. */ pwndOwner = GetWindowCreator(pwnd); if (pwndOwner != NULL) { /* * Hide the window. */ pwndOwner = REBASEPTR(pwnd, pwndOwner); hwndOwner = HWq(pwndOwner); if (!PDLG(pwnd)->fDisabled) { NtUserEnableWindow(hwndOwner, TRUE); } } else { hwndOwner = NULL; } /* * Terminate Mode Loop. */ PDLG(pwnd)->fEnd = TRUE; PDLG(pwnd)->result = result; if (fWasActive && IsChild(hwnd, GetFocus())) { /* * Set focus to the dialog box so that any control which has the focus * can do an kill focus processing. Most useful for combo boxes so that * they can popup their dropdowns before destroying/hiding the dialog * box window. Note that we only do this if the focus is currently at a * child of this dialog box. We also need to make sure we are the active * window because this may be happening while we are in a funny state. * ie. the activation is in the middle of changing but the focus hasn't * changed yet. This happens with TaskMan (or maybe with other apps that * change the focus/activation at funny times). */ NtUserSetFocus(hwnd); } NtUserSetWindowPos(hwnd, NULL, 0, 0, 0, 0, SWP_HIDEWINDOW | SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER); #ifdef SYSMODALWINDOWS /* * If this guy was sysmodal, set the sysmodal flag to previous guy so we * won't have a hidden sysmodal window that will screw things * up royally... */ if (pwnd == gspwndSysModal) { hwndOldSysModal = PDLG(pwnd)->hwndSysModalSave; if (hwndOldSysModal && !IsWindow(hwndOldSysModal)) hwndOldSysModal = NULL; SetSysModalWindow(hwndOldSysModal); // If there was a previous system modal window, we want to // activate it instead of this window's owner. // if (hwndOldSysModal) hwndOwner = hwndOldSysModal; } #endif /* * Don't do any activation unless we were previously active. */ if (fWasActive && hwndOwner) { NtUserSetActiveWindow(hwndOwner); } else { /* * If at this point we are still the active window it means that * we have fallen into the black hole of being the only visible * window in the system when we hid ourselves. This is a bug and * needs to be fixed better later on. For now, though, just * set the active and focus window to NULL. */ if (SAMEWOWHANDLE(hwnd, GetActiveWindow())) { // The next two lines are *not* the equivalent of the two Unlock // statements that were in Daytona server-side dlgend.c. So, we // need to go over to server/kernel and do it right. This fixes // a problem in Visual Slick, which had the MDI window lose focus // when a message box was dismissed. FritzS // SetActiveWindow(NULL); // SetFocus(NULL); NtUserCallNoParam(SFI_ZAPACTIVEANDFOCUS); } } #ifdef SYSMODALWINDOWS /* * If this guy was sysmodal, set the sysmodal flag to previous guy so we * won't have a hidden sysmodal window that will screw things * up royally... * See comments for Bug #134; SANKAR -- 08-25-89 --; */ if (pwnd == gspwndSysModal) { /* * Check if the previous Sysmodal guy is still valid? */ hwndOldSysModal = PDLG(pwnd)->hwndSysModalSave; if (hwndOldSysModal && !IsWindow(hwndOldSysModal)) hwndOldSysModal = NULL; SetSysModalWindow(hwndOldSysModal); } #endif /* * Make sure the dialog loop will wake and destroy the window. * The dialog loop is waiting on posted events (WaitMessage). If * EndDialog is called due to a sent message from another thread the * dialog loop will keep waiting for posted events and not destroy * the window. This happens when the dialog is obscured. * This is a problem with winfile and its copy/move dialog. */ PostMessage(hwnd, WM_NULL, 0, 0); return TRUE; }

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