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402 lines
9.2 KiB
C++
402 lines
9.2 KiB
C++
// ResizableSheet.cpp : implementation file
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//
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/////////////////////////////////////////////////////////////////////////////
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//
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// Modified 14/09/2000 by David Fleury
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// get rid if the "resizable" stuff, just kept the auto arrange of controls
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//
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// Copyright (C) 2000 by Paolo Messina
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// (ppescher@yahoo.com)
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//
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// Free for non-commercial use.
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// You may change the code to your needs,
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// provided that credits to the original
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// author is given in the modified files.
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//
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/////////////////////////////////////////////////////////////////////////////
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#include "stdafx.h"
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#include "ResizableSheet.h"
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#ifdef _DEBUG
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#define new DEBUG_NEW
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#undef THIS_FILE
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static char THIS_FILE[] = __FILE__;
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#endif
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/////////////////////////////////////////////////////////////////////////////
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// CResizableSheet
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IMPLEMENT_DYNAMIC(CResizableSheet, CPropertySheet)
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inline void CResizableSheet::Construct()
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{
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m_bInitDone = FALSE;
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m_bEnableSaveRestore = FALSE;
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m_bSavePage = FALSE;
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}
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CResizableSheet::CResizableSheet()
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{
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Construct();
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}
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CResizableSheet::CResizableSheet(UINT nIDCaption, CWnd *pParentWnd, UINT iSelectPage)
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: CPropertySheet(nIDCaption, pParentWnd, iSelectPage)
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{
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Construct();
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}
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CResizableSheet::CResizableSheet(LPCTSTR pszCaption, CWnd *pParentWnd, UINT iSelectPage)
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: CPropertySheet(pszCaption, pParentWnd, iSelectPage)
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{
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Construct();
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}
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CResizableSheet::~CResizableSheet()
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{
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}
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BEGIN_MESSAGE_MAP(CResizableSheet, CPropertySheet)
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//{{AFX_MSG_MAP(CResizableSheet)
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ON_WM_SIZE()
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ON_WM_DESTROY()
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ON_WM_CREATE()
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//}}AFX_MSG_MAP
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ON_BN_CLICKED(ID_WIZBACK, OnPageChanged)
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ON_BN_CLICKED(ID_WIZNEXT, OnPageChanged)
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END_MESSAGE_MAP()
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/////////////////////////////////////////////////////////////////////////////
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// CResizableSheet message handlers
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int CResizableSheet::OnCreate(LPCREATESTRUCT lpCreateStruct)
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{
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if (CPropertySheet::OnCreate(lpCreateStruct) == -1)
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return -1;
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/*********************************/
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// MODIFIED 14/09/2000 Fleury David, I don't want the user to be able to resize the sheet
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// // change window style to be resizable
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// ModifyStyle(0,/* WS_THICKFRAME |*/ WS_CLIPCHILDREN);
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/*********************************/
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return 0;
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}
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BOOL CResizableSheet::OnInitDialog()
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{
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BOOL bResult = CPropertySheet::OnInitDialog();
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// prevent flickering
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GetTabControl()->ModifyStyle(0, WS_CLIPSIBLINGS);
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m_bInitDone = TRUE;
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return bResult;
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}
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void CResizableSheet::OnDestroy()
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{
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CPropertySheet::OnDestroy();
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if (m_bEnableSaveRestore)
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{
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SaveWindowRect();
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}
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CPropertySheet::OnDestroy();
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}
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// maps an index to a button ID and vice-versa
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static UINT _propButtons[] =
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{
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IDOK, IDCANCEL, ID_APPLY_NOW, IDHELP,
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ID_WIZBACK, ID_WIZNEXT, ID_WIZFINISH
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};
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// horizontal line in wizard mode
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#define ID_WIZLINE ID_WIZFINISH+1
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void CResizableSheet::PresetLayout()
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{
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CWnd* pWnd; // points to various children
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CRect wndrc, objrc;
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GetClientRect(&wndrc);
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// tab control or wizard line position
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if (m_psh.dwFlags & PSH_WIZARD) // wizard mode
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{
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// get wizard line's bottom-right corner
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pWnd = GetDlgItem(ID_WIZLINE);
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// hide tab control
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GetTabControl()->ShowWindow(SW_HIDE);
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}
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else // tabbed mode
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{
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// get tab control's bottom-right corner
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pWnd = GetTabControl();
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}
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// whatever it is, take the right margin
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pWnd->GetWindowRect(&objrc);
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ScreenToClient(&objrc);
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m_szLayoutTabLine.cx = objrc.right - wndrc.right;
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m_szLayoutTabLine.cy = objrc.bottom - wndrc.bottom;
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// get child dialog's bottom-right corner
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pWnd = GetActivePage();
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pWnd->GetWindowRect(&objrc);
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ScreenToClient(&objrc);
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m_szLayoutPage.cx = objrc.right - wndrc.right;
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m_szLayoutPage.cy = objrc.bottom - wndrc.bottom;
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// store buttons position
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for (int i = 0; i < 7; i++)
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{
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pWnd = GetDlgItem(_propButtons[i]);
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if (pWnd == NULL)
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{
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// invalid position, button does not exist
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// (just to initialize, any button you may activate
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// in the future is present, but hidden)
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m_szLayoutButton[i].cx = 0;
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m_szLayoutButton[i].cy = 0;
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continue;
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}
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pWnd->GetWindowRect(&objrc);
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ScreenToClient(&objrc);
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m_szLayoutButton[i].cx = objrc.left - wndrc.right;
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m_szLayoutButton[i].cy = objrc.top - wndrc.bottom;
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}
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}
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void CResizableSheet::ArrangeLayout()
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{
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// init some vars
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CWnd* pWnd;
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CRect wndrc, objrc;
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GetClientRect(&wndrc);
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// usually no more than
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// 4 buttons +
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// 1 tab control or wizard line +
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// 1 active page
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HDWP hdwp = BeginDeferWindowPos(6);
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if (m_psh.dwFlags & PSH_WIZARD) // wizard mode
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{
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// get wizard line's bottom-right corner
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pWnd = GetDlgItem(ID_WIZLINE);
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pWnd->GetWindowRect(&objrc);
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ScreenToClient(&objrc);
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int oldHeight = objrc.Height();
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objrc.right = m_szLayoutTabLine.cx + wndrc.right;
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objrc.bottom = m_szLayoutTabLine.cy + wndrc.bottom;
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objrc.top = objrc.bottom - oldHeight;
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// add the control
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DeferWindowPos(hdwp, *pWnd, NULL, objrc.left, objrc.top,
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objrc.Width(), objrc.Height(), SWP_NOZORDER | SWP_NOACTIVATE);
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}
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else // tabbed mode
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{
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// get tab control's bottom-right corner
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pWnd = GetTabControl();
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pWnd->GetWindowRect(&objrc);
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ScreenToClient(&objrc);
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objrc.right = m_szLayoutTabLine.cx + wndrc.right;
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objrc.bottom = m_szLayoutTabLine.cy + wndrc.bottom;
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// add the control, only resize
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DeferWindowPos(hdwp, *pWnd, NULL, 0, 0, objrc.Width(),
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objrc.Height(), SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE);
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}
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// get child dialog's bottom-right corner
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pWnd = GetActivePage();
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pWnd->GetWindowRect(&objrc);
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ScreenToClient(&objrc);
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objrc.right = m_szLayoutPage.cx + wndrc.right;
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objrc.bottom = m_szLayoutPage.cy + wndrc.bottom;
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// add the control, only resize
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DeferWindowPos(hdwp, *pWnd, NULL, 0, 0, objrc.Width(),
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objrc.Height(), SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE);
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// arrange buttons position
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for (int i = 0; i < 7; i++)
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{
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pWnd = GetDlgItem(_propButtons[i]);
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if (pWnd == NULL)
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continue; // ignores deleted buttons
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// this should never happen, because all the buttons you
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// may activate already exist at time PresetLayout is called
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ASSERT(m_szLayoutButton[i].cx != 0 || m_szLayoutButton[i].cy != 0);
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pWnd->GetWindowRect(&objrc);
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ScreenToClient(&objrc);
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objrc.left = m_szLayoutButton[i].cx + wndrc.right;
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objrc.top = m_szLayoutButton[i].cy + wndrc.bottom;
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// add the control, only move
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DeferWindowPos(hdwp, *pWnd, NULL, objrc.left, objrc.top,
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0, 0, SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE);
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}
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// go re-arrange child windows
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EndDeferWindowPos(hdwp);
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}
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void CResizableSheet::OnSize(UINT nType, int cx, int cy)
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{
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CWnd::OnSize(nType, cx, cy);
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if (nType == SIZE_MAXHIDE || nType == SIZE_MAXSHOW)
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return; // arrangement not needed
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if (m_bInitDone)
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ArrangeLayout();
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}
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// only gets called in wizard mode
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// (when back or next button pressed)
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void CResizableSheet::OnPageChanged()
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{
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// call default handler to allow page change
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Default();
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// update new wizard page
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ArrangeLayout();
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}
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// protected members
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// NOTE: this must be called after all the other settings
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// to have the dialog and its controls displayed properly
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void CResizableSheet::EnableSaveRestore(LPCTSTR pszSection, LPCTSTR pszEntry, BOOL bWithPage)
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{
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m_sSection = pszSection;
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m_sEntry = pszEntry;
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m_bSavePage = bWithPage;
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m_bEnableSaveRestore = TRUE;
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LoadWindowRect();
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}
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// private memebers
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// used to save/restore window's size and position
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// either in the registry or a private .INI file
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// depending on your application settings
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#define PROFILE_FMT _T("%d,%d,%d,%d,%d,%d [%d]")
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void CResizableSheet::SaveWindowRect()
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{
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CString data;
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WINDOWPLACEMENT wp;
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ZeroMemory(&wp, sizeof(WINDOWPLACEMENT));
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wp.length = sizeof(WINDOWPLACEMENT);
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GetWindowPlacement(&wp);
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RECT& rc = wp.rcNormalPosition; // alias
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// also saves active page index, zero (the first) if problems
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// cannot use GetActivePage, because it always fails
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CTabCtrl *pTab = GetTabControl();
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int page = 0;
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if (pTab != NULL)
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page = pTab->GetCurSel();
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if (page < 0)
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page = 0;
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// always save page
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data.Format(PROFILE_FMT, rc.left, rc.top,
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rc.right, rc.bottom, wp.showCmd, wp.flags, page);
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AfxGetApp()->WriteProfileString(m_sSection, m_sEntry, data);
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}
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void CResizableSheet::LoadWindowRect()
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{
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CString data;
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WINDOWPLACEMENT wp;
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int page;
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data = AfxGetApp()->GetProfileString(m_sSection, m_sEntry);
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if (data.IsEmpty()) // never saved before
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return;
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ZeroMemory(&wp, sizeof(WINDOWPLACEMENT));
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wp.length = sizeof(WINDOWPLACEMENT);
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RECT& rc = wp.rcNormalPosition; // alias
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if (_stscanf_s(data, PROFILE_FMT, &rc.left, &rc.top,
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&rc.right, &rc.bottom, &wp.showCmd, &wp.flags, &page) == 7)
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{
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SetWindowPlacement(&wp);
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if (m_bSavePage)
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{
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SetActivePage(page);
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ArrangeLayout(); // needs refresh
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}
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}
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}
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int CResizableSheet::GetMinWidth()
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{/*
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int min = 0;
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// search for leftmost button
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for (int i = 0; i < 7; i++)
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{
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// left position is relative to the right border
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// of the parent window (negative value)
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if (m_szLayoutButton[i].cx < min)
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min = m_szLayoutButton[i].cx;
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}
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// sizing border width
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int border = GetSystemMetrics(SM_CXSIZEFRAME);
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// get tab control or wizard line left position
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CWnd* pWnd;
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CRect objrc;
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if (m_psh.dwFlags & PSH_WIZARD)
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pWnd = GetDlgItem(ID_WIZLINE);
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else
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pWnd = GetTabControl();
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pWnd->GetWindowRect(&objrc);
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ScreenToClient(&objrc);
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// add the left margin and window's border
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return -min + objrc.left + border*2;
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*/
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return 1;
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}
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