/* * CiderPress * Copyright (C) 2007 by faddenSoft, LLC. All Rights Reserved. * See the file LICENSE for distribution terms. */ /* * Display a modeless progress dialog with a "cancel" button. * * The user of this class must define a dialog with at least an IDCANCEL * button. */ #ifndef UTIL_PROCESSCANCELDIALOG_H #define UTIL_PROCESSCANCELDIALOG_H /* * This class must be allocated on the heap. * * Create with the dialog ID, thermometer ID, parent window, and a pointer to * a boolean that will be set to "true" if the user hits "cancel". */ class ProgressCancelDialog : public CancelDialog { public: ProgressCancelDialog(void) : fProgressID(0) {} virtual ~ProgressCancelDialog(void) {} BOOL Create(bool* pCancelFlag, int dialogID, int progressID, CWnd* pParentWnd = NULL) { fProgressID = progressID; return CancelDialog::Create(pCancelFlag, dialogID, pParentWnd); } enum { kProgressResolution = 1000 }; /* * Update the progress meter. * * Returns IDOK if all is well, IDCANCEL if the "cancel" button was hit. */ int SetProgress(int newVal) { ASSERT(newVal >= 0 && newVal <= kProgressResolution); CProgressCtrl* pProgress = (CProgressCtrl*) GetDlgItem(fProgressID); if (pProgress != NULL) { /* would be nice to only set the range once */ pProgress->SetRange(0, kProgressResolution); pProgress->SetPos(newVal); } if (*fpCancelFlag) { // dim the button to ack receipt CWnd* pWnd = GetDlgItem(IDCANCEL); pWnd->EnableWindow(FALSE); return IDCANCEL; } else return IDOK; } private: DECLARE_COPY_AND_OPEQ(ProgressCancelDialog) BOOL OnInitDialog(void) { CancelDialog::OnInitDialog(); ASSERT(fProgressID != 0); CProgressCtrl* pProgress = (CProgressCtrl*) GetDlgItem(fProgressID); ASSERT(pProgress != NULL); /* for some reason this doesn't work if I do it here */ //pProgress->SetRange(0, kProgressResolution); pProgress->SetFocus(); // get focus off of the Cancel button return FALSE; // accept our focus } // CancelDialog traps OnCancel // ModelessDialog traps OnCancel/OnOK //void PostNcDestroy(void) { delete this; } int fProgressID; }; #endif /*UTIL_PROCESSCANCELDIALOG_H*/