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- /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
- *
- * The contents of this file are subject to the Netscape Public License
- * Version 1.0 (the "NPL"); you may not use this file except in
- * compliance with the NPL. You may obtain a copy of the NPL at
- * http://www.mozilla.org/NPL/
- *
- * Software distributed under the NPL is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
- * for the specific language governing rights and limitations under the
- * NPL.
- *
- * The Initial Developer of this code under the NPL is Netscape
- * Communications Corporation. Portions created by Netscape are
- * Copyright (C) 1998 Netscape Communications Corporation. All Rights
- * Reserved.
- */
-
- #ifndef __CDIALOG_H_
- #define __CDIALOG_H_
-
- #include "cstring.h"
-
- // Simple class to encapsulate dialog behavior (modal and modeless)
- class CDialog {
- public:
- CDialog(HINSTANCE hInstance, UINT nTemplateID);
-
- // Create a modeless dialog
- BOOL Create(HWND hwndOwner);
-
- // Create a modal dialog
- int DoModal(HWND hwndOwner);
-
- // Destroy the window
- BOOL DestroyWindow();
-
- protected:
- // Event processing
- virtual BOOL InitDialog();
- virtual BOOL OnCommand(int id, HWND hwndCtl, UINT notifyCode);
-
- // Called from member function OnCommand(). OnOK() calls DoTransfer
- // to transfer data from the dialog box. Both member functions call
- // EndDialog() to destroy the dialog box. OnOK() only destroys the
- // dialog box if validation is successful
- virtual void OnOK();
- virtual void OnCancel();
-
- // Dialog data transfer. Override this routine and transfer data to/from
- // the dialog box. Called from member functions InitDialog() and OnOK()
- //
- // When transfering data from the dialog box, return FALSE if validation
- // is unsuccessful
- virtual BOOL DoTransfer(BOOL bSaveAndValidate) = 0;
-
- // Override this to handle other events yourself. This routine does two
- // things:
- // - calls the original window procedure (which is DefDlgProc)
- // - handles WM_COMMAND, splits out the parameters, and calls
- // member function OnCommand
- virtual LRESULT WindowProc(UINT uMsg, WPARAM wParam, LPARAM lParam);
-
- // Helper functions to assist with data transfer. For radio button
- // transfers, the ID must be the first in a group of auto radio buttons.
- // When transferring a LPSTR from an edit field, space for the string is
- // malloc'd and the caller must free; any existing LPSTR is free'd first
- void RadioButtonTransfer(int nIDButton, int &value, BOOL bSaveAndValidate);
- void CheckBoxTransfer(int nIDButton, BOOL &value, BOOL bSaveAndValidate);
- void EditFieldTransfer(int nIDEdit, CString &str, BOOL bSaveAndValidate);
- void EditFieldTransfer(int nIDEdit, int &value, BOOL bSaveAndValidate);
- void EditFieldTransfer(int nIDEdit, UINT &value, BOOL bSaveAndValidate);
- void ListBoxTransfer(int nIDList, int &index, BOOL bSaveAndValidate);
- void ListBoxTransfer(int nIDList, CString &str, BOOL bSaveAndValidate);
- void ComboBoxTransfer(int nIDCombo, int &index, BOOL bSaveAndValidate);
- void ComboBoxTransfer(int nIDCombo, CString &str, BOOL bSaveAndValidate);
-
- // Helper routine to enable/disable a control by ID
- void EnableDlgItem(UINT nIDCtl, BOOL bEnable);
-
- protected:
- HINSTANCE m_hInstance;
- UINT m_nTemplateID;
- HWND m_hwndDlg;
-
- private:
- WNDPROC m_wpOriginalProc;
- friend LRESULT CALLBACK WindowFunc(HWND, UINT, WPARAM, LPARAM);
- friend BOOL CALLBACK DialogFunc(HWND, UINT, WPARAM, LPARAM);
- };
-
- #endif /* __CDIALOG_H_ */
-
-