1 // ResizableSheetEx.cpp : implementation file
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3 /////////////////////////////////////////////////////////////////////////////
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5 // This file is part of ResizableLib
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6 // http://sourceforge.net/projects/resizablelib
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8 // Copyright (C) 2000-2004 by Paolo Messina
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9 // http://www.geocities.com/ppescher - mailto:ppescher@hotmail.com
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11 // The contents of this file are subject to the Artistic License (the "License").
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12 // You may not use this file except in compliance with the License.
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13 // You may obtain a copy of the License at:
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14 // http://www.opensource.org/licenses/artistic-license.html
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16 // If you find this code useful, credits would be nice!
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18 /////////////////////////////////////////////////////////////////////////////
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21 #include "ResizableSheetEx.h"
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24 #define new DEBUG_NEW
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26 static char THIS_FILE[] = __FILE__;
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29 /////////////////////////////////////////////////////////////////////////////
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30 // CResizableSheetEx
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32 IMPLEMENT_DYNAMIC(CResizableSheetEx, CPropertySheetEx)
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34 inline void CResizableSheetEx::PrivateConstruct()
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36 m_bEnableSaveRestore = FALSE;
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37 m_bSavePage = FALSE;
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38 m_dwGripTempState = 1;
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39 m_bLayoutDone = FALSE;
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42 inline BOOL CResizableSheetEx::IsWizard() const
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44 return (m_psh.dwFlags & PSH_WIZARD);
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47 inline BOOL CResizableSheetEx::IsWizard97() const
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49 return (m_psh.dwFlags & (PSH_IE4WIZARD97 | PSH_IE5WIZARD97));
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52 CResizableSheetEx::CResizableSheetEx()
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57 CResizableSheetEx::CResizableSheetEx(UINT nIDCaption, CWnd* pParentWnd,
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58 UINT iSelectPage, HBITMAP hbmWatermark, HPALETTE hpalWatermark,
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60 : CPropertySheetEx(nIDCaption, pParentWnd, iSelectPage,
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61 hbmWatermark, hpalWatermark, hbmHeader)
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66 CResizableSheetEx::CResizableSheetEx(LPCTSTR pszCaption, CWnd* pParentWnd,
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67 UINT iSelectPage, HBITMAP hbmWatermark, HPALETTE hpalWatermark,
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69 : CPropertySheetEx(pszCaption, pParentWnd, iSelectPage,
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70 hbmWatermark, hpalWatermark, hbmHeader)
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76 CResizableSheetEx::~CResizableSheetEx()
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80 BEGIN_MESSAGE_MAP(CResizableSheetEx, CPropertySheetEx)
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81 //{{AFX_MSG_MAP(CResizableSheetEx)
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82 ON_WM_GETMINMAXINFO()
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88 ON_NOTIFY_REFLECT_EX(PSN_SETACTIVE, OnPageChanging)
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89 ON_REGISTERED_MESSAGE(WMU_RESIZESUPPORT, OnResizeSupport)
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92 /////////////////////////////////////////////////////////////////////////////
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93 // CResizableSheetEx message handlers
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95 BOOL CResizableSheetEx::OnNcCreate(LPCREATESTRUCT lpCreateStruct)
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97 if (!CPropertySheetEx::OnNcCreate(lpCreateStruct))
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100 // child dialogs don't want resizable border or size grip,
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101 // nor they can handle the min/max size constraints
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102 BOOL bChild = lpCreateStruct->style & WS_CHILD;
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104 // create and init the size-grip
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105 if (!CreateSizeGrip(!bChild))
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108 MakeResizable(lpCreateStruct);
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113 BOOL CResizableSheetEx::OnInitDialog()
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115 BOOL bResult = CPropertySheetEx::OnInitDialog();
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117 // set the initial size as the min track size
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119 GetWindowRect(&rc);
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120 SetMinTrackSize(rc.Size());
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122 // initialize layout
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124 m_bLayoutDone = TRUE;
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129 LRESULT CResizableSheetEx::OnResizeSupport(WPARAM wParam, LPARAM lParam)
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133 case RSZSUP_SHEETPAGEEXHACK:
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135 // a window object must be still associated to the page handle
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136 // but MFC subclassing has been turned off to allow the system
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137 // to subclass it first, so we can catch all the messages
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138 CWnd* pWnd = CWnd::FromHandlePermanent((HWND)lParam);
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142 // suclass the window again and refresh page and sheet
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143 pWnd->SubclassWindow(pWnd->Detach());
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145 pWnd->SendMessage(WM_SIZE);
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147 UnlockWindowUpdate();
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149 if (pWnd->IsWindowVisible())
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151 // send lost PSN_SETACTIVE notification message
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152 CPropertyPage* pPage = DYNAMIC_DOWNCAST(CPropertyPage, pWnd);
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154 SetActivePage(pPage);
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165 void CResizableSheetEx::OnDestroy()
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167 if (m_bEnableSaveRestore)
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169 SaveWindowRect(m_sSection, m_bRectOnly);
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171 SavePage(m_sSection);
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174 RemoveAllAnchors();
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176 CPropertySheetEx::OnDestroy();
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179 // maps an index to a button ID and vice-versa
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180 static UINT _propButtons[] =
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182 IDOK, IDCANCEL, ID_APPLY_NOW, IDHELP,
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183 ID_WIZBACK, ID_WIZNEXT, ID_WIZFINISH
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185 const int _propButtonsCount = sizeof(_propButtons)/sizeof(UINT);
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187 // horizontal line in wizard mode
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188 #define ID_WIZLINE ID_WIZFINISH+1
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189 #define ID_WIZLINEHDR ID_WIZFINISH+2
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191 void CResizableSheetEx::PresetLayout()
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193 if (IsWizard() || IsWizard97()) // wizard mode
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195 // hide tab control
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196 GetTabControl()->ShowWindow(SW_HIDE);
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198 AddAnchor(ID_WIZLINE, BOTTOM_LEFT, BOTTOM_RIGHT);
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200 if (IsWizard97()) // add header line for wizard97 dialogs
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201 AddAnchor(ID_WIZLINEHDR, TOP_LEFT, TOP_RIGHT);
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205 AddAnchor(AFX_IDC_TAB_CONTROL, TOP_LEFT, BOTTOM_RIGHT);
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208 // add a callback for active page (which can change at run-time)
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209 m_nCallbackID = AddAnchorCallback();
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211 // use *total* parent size to have correct margins
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212 CRect rectPage, rectSheet;
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213 GetTotalClientRect(&rectSheet);
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215 GetActivePage()->GetWindowRect(&rectPage);
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216 ::MapWindowPoints(NULL, m_hWnd, (LPPOINT)&rectPage, 2);
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218 // pre-calculate margins
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219 m_sizePageTL = rectPage.TopLeft() - rectSheet.TopLeft();
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220 m_sizePageBR = rectPage.BottomRight() - rectSheet.BottomRight();
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222 // add all possible buttons, if they exist
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223 for (int i = 0; i < _propButtonsCount; i++)
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225 if (NULL != GetDlgItem(_propButtons[i]))
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226 AddAnchor(_propButtons[i], BOTTOM_RIGHT);
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230 BOOL CResizableSheetEx::ArrangeLayoutCallback(LAYOUTINFO &layout) const
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232 if (layout.nCallbackID != m_nCallbackID) // we only added 1 callback
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233 return CResizableLayout::ArrangeLayoutCallback(layout);
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235 // set layout info for active page
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236 layout.hWnd = (HWND)::SendMessage(GetSafeHwnd(), PSM_GETCURRENTPAGEHWND, 0, 0);
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237 if (!::IsWindow(layout.hWnd))
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241 if (IsWizard()) // wizard mode
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243 // use pre-calculated margins
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244 layout.marginTopLeft = m_sizePageTL;
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245 layout.marginBottomRight = m_sizePageBR;
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247 else if (IsWizard97()) // wizard 97
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249 // use pre-calculated margins
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250 layout.marginTopLeft = m_sizePageTL;
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251 layout.marginBottomRight = m_sizePageBR;
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253 if (!(GetActivePage()->m_psp.dwFlags & PSP_HIDEHEADER))
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255 // add header vertical offset
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256 CRect rectLine, rectSheet;
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257 GetTotalClientRect(&rectSheet);
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258 GetAnchorPosition(ID_WIZLINEHDR, rectSheet, rectLine);
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260 layout.marginTopLeft.cy = rectLine.bottom;
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265 CTabCtrl* pTab = GetTabControl();
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266 ASSERT(pTab != NULL);
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268 // get tab position after resizing and calc page rect
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269 CRect rectPage, rectSheet;
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270 GetTotalClientRect(&rectSheet);
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272 if (!GetAnchorPosition(pTab->m_hWnd, rectSheet, rectPage))
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273 return FALSE; // no page yet
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275 // temporarily resize the tab control to calc page size
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277 pTab->GetWindowRect(rectSave);
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278 ::MapWindowPoints(NULL, m_hWnd, (LPPOINT)&rectSave, 2);
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279 pTab->SetRedraw(FALSE);
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280 pTab->MoveWindow(rectPage, FALSE);
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281 pTab->AdjustRect(FALSE, &rectPage);
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282 pTab->MoveWindow(rectSave, FALSE);
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283 pTab->SetRedraw(TRUE);
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286 layout.marginTopLeft = rectPage.TopLeft() - rectSheet.TopLeft();
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287 layout.marginBottomRight = rectPage.BottomRight() - rectSheet.BottomRight();
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290 // set anchor types
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291 layout.anchorTopLeft = TOP_LEFT;
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292 layout.anchorBottomRight = BOTTOM_RIGHT;
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294 // use this layout info
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298 void CResizableSheetEx::OnSize(UINT nType, int cx, int cy)
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300 CWnd::OnSize(nType, cx, cy);
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302 if (nType == SIZE_MAXHIDE || nType == SIZE_MAXSHOW)
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303 return; // arrangement not needed
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305 if (nType == SIZE_MAXIMIZED)
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306 HideSizeGrip(&m_dwGripTempState);
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308 ShowSizeGrip(&m_dwGripTempState);
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310 // update grip and layout
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316 // refresh header area
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318 GetHeaderRect(rect);
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319 InvalidateRect(rect, FALSE);
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323 BOOL CResizableSheetEx::OnPageChanging(NMHDR* /*pNotifyStruct*/, LRESULT* /*pResult*/)
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325 // update new wizard page
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326 // active page changes after this notification
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327 PostMessage(WM_SIZE);
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329 return FALSE; // continue routing
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332 BOOL CResizableSheetEx::OnEraseBkgnd(CDC* pDC)
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334 if (ClipChildren(pDC, FALSE))
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336 // when clipping, remove header from clipping area
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339 // clip header area out
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341 GetHeaderRect(rect);
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342 pDC->ExcludeClipRect(rect);
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346 BOOL bRet = CPropertySheetEx::OnEraseBkgnd(pDC);
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348 ClipChildren(pDC, TRUE);
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353 BOOL CResizableSheetEx::CalcSizeExtra(HWND /*hWndChild*/, CSize sizeChild, CSize &sizeExtra)
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355 CTabCtrl* pTab = GetTabControl();
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359 // get margins of tabcontrol
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361 if (!GetAnchorMargins(pTab->m_hWnd, sizeChild, rectMargins))
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364 // get margin caused by tabcontrol
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365 CRect rectTabMargins(0,0,0,0);
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367 // get tab position after resizing and calc page rect
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368 CRect rectPage, rectSheet;
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369 GetTotalClientRect(&rectSheet);
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371 if (!GetAnchorPosition(pTab->m_hWnd, rectSheet, rectPage))
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372 return FALSE; // no page yet
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374 // temporarily resize the tab control to calc page size
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376 pTab->GetWindowRect(rectSave);
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377 ::MapWindowPoints(NULL, m_hWnd, (LPPOINT)&rectSave, 2);
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378 pTab->SetRedraw(FALSE);
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379 pTab->MoveWindow(rectPage, FALSE);
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380 pTab->AdjustRect(TRUE, &rectTabMargins);
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381 pTab->MoveWindow(rectSave, FALSE);
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382 pTab->SetRedraw(TRUE);
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384 // add non-client size
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385 ::AdjustWindowRectEx(&rectTabMargins, GetStyle(), !(GetStyle() & WS_CHILD) &&
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386 ::IsMenu(GetMenu()->GetSafeHmenu()), GetExStyle());
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388 // compute extra size
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389 sizeExtra = rectMargins.TopLeft() + rectMargins.BottomRight() +
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390 rectTabMargins.Size();
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394 void CResizableSheetEx::OnGetMinMaxInfo(MINMAXINFO FAR* lpMMI)
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398 CTabCtrl* pTab = GetTabControl();
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402 int nCount = GetPageCount();
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403 for (int idx = 0; idx < nCount; ++idx)
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405 if (IsWizard()) // wizard mode
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407 // use pre-calculated margins
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408 CRect rectExtra(-CPoint(m_sizePageTL), -CPoint(m_sizePageBR));
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409 // add non-client size
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410 ::AdjustWindowRectEx(&rectExtra, GetStyle(), !(GetStyle() & WS_CHILD) &&
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411 ::IsMenu(GetMenu()->GetSafeHmenu()), GetExStyle());
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412 ChainMinMaxInfo(lpMMI, *GetPage(idx), rectExtra.Size());
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414 else if (IsWizard97()) // wizard 97
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416 // use pre-calculated margins
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417 CRect rectExtra(-CPoint(m_sizePageTL), -CPoint(m_sizePageBR));
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419 if (!(GetPage(idx)->m_psp.dwFlags & PSP_HIDEHEADER))
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421 // add header vertical offset
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422 CRect rectLine, rectSheet;
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423 GetTotalClientRect(&rectSheet);
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424 GetAnchorPosition(ID_WIZLINEHDR, rectSheet, rectLine);
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426 rectExtra.top = -rectLine.bottom;
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428 // add non-client size
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429 ::AdjustWindowRectEx(&rectExtra, GetStyle(), !(GetStyle() & WS_CHILD) &&
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430 ::IsMenu(GetMenu()->GetSafeHmenu()), GetExStyle());
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431 ChainMinMaxInfo(lpMMI, *GetPage(idx), rectExtra.Size());
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435 ChainMinMaxInfoCB(lpMMI, *GetPage(idx));
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440 // protected members
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442 void CResizableSheetEx::GetHeaderRect(LPRECT lpRect)
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444 CWnd* pWizLineHdr = GetDlgItem(ID_WIZLINEHDR);
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445 if (pWizLineHdr != NULL && pWizLineHdr->IsWindowVisible())
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447 pWizLineHdr->GetWindowRect(lpRect);
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448 ::MapWindowPoints(NULL, m_hWnd, (LPPOINT)lpRect, 2);
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449 LONG bottom = lpRect->top;
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450 GetClientRect(lpRect);
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451 lpRect->bottom = bottom;
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454 ::SetRectEmpty(lpRect);
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457 int CResizableSheetEx::GetMinWidth()
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460 CRect rectWnd, rectSheet;
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461 GetTotalClientRect(&rectSheet);
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463 int max = 0, min = rectSheet.Width();
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464 // search for leftmost and rightmost button margins
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465 for (int i = 0; i < 7; i++)
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467 pWnd = GetDlgItem(_propButtons[i]);
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468 // exclude not present or hidden buttons
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469 if (pWnd == NULL || !(pWnd->GetStyle() & WS_VISIBLE))
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472 // left position is relative to the right border
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473 // of the parent window (negative value)
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474 pWnd->GetWindowRect(&rectWnd);
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475 ::MapWindowPoints(NULL, m_hWnd, (LPPOINT)&rectWnd, 2);
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476 int left = rectSheet.right - rectWnd.left;
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477 int right = rectSheet.right - rectWnd.right;
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485 // sizing border width
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486 int border = GetSystemMetrics(SM_CXSIZEFRAME);
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488 // compute total width
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489 return max + min + 2*border;
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492 // NOTE: this must be called after all the other settings
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493 // to have the window and its controls displayed properly
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494 void CResizableSheetEx::EnableSaveRestore(LPCTSTR pszSection, BOOL bRectOnly, BOOL bWithPage)
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496 m_sSection = pszSection;
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497 m_bSavePage = bWithPage;
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499 m_bEnableSaveRestore = TRUE;
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500 m_bRectOnly = bRectOnly;
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502 // restore immediately
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503 LoadWindowRect(pszSection, bRectOnly);
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506 LoadPage(pszSection);
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507 ArrangeLayout(); // needs refresh
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511 void CResizableSheetEx::RefreshLayout()
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513 SendMessage(WM_SIZE);
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516 LRESULT CResizableSheetEx::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
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518 if (message != WM_NCCALCSIZE || wParam == 0 || !m_bLayoutDone)
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519 return CPropertySheetEx::WindowProc(message, wParam, lParam);
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521 // specifying valid rects needs controls already anchored
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522 LRESULT lResult = 0;
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523 HandleNcCalcSize(FALSE, (LPNCCALCSIZE_PARAMS)lParam, lResult);
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524 lResult = CPropertySheetEx::WindowProc(message, wParam, lParam);
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525 HandleNcCalcSize(TRUE, (LPNCCALCSIZE_PARAMS)lParam, lResult);
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