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