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