158 lines
2.6 KiB
C++
158 lines
2.6 KiB
C++
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/*++
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Copyright (c) 2000 Microsoft Corporation
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Module Name:
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Modal Dialog
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Abstract:
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This contains the abstract class CModalDialog and the trivial sub class
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CModalOkDialog which does a simple ok dialog.
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Author:
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Marc Reyhner 8/28/2000
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--*/
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#include "stdafx.h"
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#include "ModalDialog.h"
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#include "eZippy.h"
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INT_PTR
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CModalDialog::DoModal(
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IN LPCTSTR lpTemplate,
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IN HWND hWndParent
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)
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/*++
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Routine Description:
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This does a modal dialog from the given template.
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Arguments:
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lpTemplate - Template to use see docs on DialogBoxParam
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hWndParent - Parent window for the dialog
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Return value:
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Dialog return code see docs on DialogBoxParam
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--*/
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{
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return DialogBoxParam(g_hInstance,lpTemplate,hWndParent,_DialogProc,(LPARAM)this);
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}
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INT_PTR CALLBACK
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CModalDialog::_DialogProc(
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IN HWND hwndDlg,
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IN UINT uMsg,
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IN WPARAM wParam,
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IN LPARAM lParam
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)
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/*++
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Routine Description:
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If this is a WM_INITDIALOG OnCreate is called. Otherwise the non-static
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DialogProc function is called.
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Arguments:
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See win32 DialogProc docs
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Return value:
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TRUE - Message was handles
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FALSE - We did not handle the message
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--*/
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{
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CModalDialog *rDialog;
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if (uMsg == WM_INITDIALOG) {
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rDialog = (CModalDialog*)lParam;
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SetWindowLongPtr(hwndDlg,DWLP_USER,lParam);
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return rDialog->OnCreate(hwndDlg);
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}
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rDialog = (CModalDialog*)GetWindowLongPtr(hwndDlg,DWLP_USER);
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if (!rDialog) {
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return FALSE;
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}
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return rDialog->DialogProc(hwndDlg,uMsg,wParam,lParam);
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}
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INT_PTR
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CModalDialog::OnCreate(
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IN HWND hWnd
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)
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/*++
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Routine Description:
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Empty OnCreate handler for subclasses which don't want to overide this.
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There is no need for a subclass to call this function if it does something
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in OnCreate
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Arguments:
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hWnd - the dialog window.
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Return value:
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TRUE - Always return success (sets keyboard focus).
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--*/
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{
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return TRUE;
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}
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INT_PTR CALLBACK
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CModalOkDialog::DialogProc(
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HWND hwndDlg,
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UINT uMsg,
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WPARAM wParam,
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LPARAM lParam
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)
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/*++
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Routine Description:
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The one override for CModalOkDialog simply terminates
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the dialog when an IDOK or IDCANCEL command is received
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Arguments:
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See win32 DialogProc docs
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Return value:
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TRUE - We handled the message
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FALSE - We didn't handle the message
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--*/
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{
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WORD command;
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if (uMsg == WM_COMMAND) {
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command = LOWORD(wParam);
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if (command == IDOK||command==IDCANCEL) {
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EndDialog(hwndDlg,command);
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return TRUE;
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}
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}
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return FALSE;
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}
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