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- // padview.cpp : implementation of the CPadView class
- //
- // This is a part of the Microsoft Foundation Classes C++ library.
- // Copyright (C) 1992 Microsoft Corporation
- // All rights reserved.
- //
- // This source code is only intended as a supplement to the
- // Microsoft Foundation Classes Reference and Microsoft
- // QuickHelp and/or WinHelp documentation provided with the library.
- // See these sources for detailed information regarding the
- // Microsoft Foundation Classes product.
-
-
-
- #include "stdafx.h"
- #include "superpad.h"
- #include "padview.h"
- #include "tabstop.h"
-
- #ifdef _DEBUG
- #undef THIS_FILE
- static char BASED_CODE THIS_FILE[] = __FILE__;
- #endif
-
- /////////////////////////////////////////////////////////////////////////////
- // CPadView
-
- IMPLEMENT_DYNCREATE(CPadView, CEditView)
-
- BEGIN_MESSAGE_MAP(CPadView, CEditView)
- //{{AFX_MSG_MAP(CPadView)
- ON_WM_CREATE()
- ON_COMMAND(ID_SET_TABSTOPS, OnSetTabStops)
- ON_COMMAND(ID_CHOOSE_FONT, OnChooseFont)
- ON_COMMAND(ID_WORD_WRAP, OnWordWrap)
- ON_UPDATE_COMMAND_UI(ID_WORD_WRAP, OnUpdateWordWrap)
- ON_WM_RBUTTONDOWN()
- ON_COMMAND(ID_CHOOSE_PRINT_FONT, OnChoosePrintFont)
- ON_COMMAND(ID_MIRROR_DISPLAY_FONT, OnMirrorDisplayFont)
- ON_UPDATE_COMMAND_UI(ID_MIRROR_DISPLAY_FONT, OnUpdateMirrorDisplayFont)
- ON_UPDATE_COMMAND_UI(ID_CHOOSE_PRINT_FONT, OnUpdateChoosePrintFont)
- ON_WM_SIZE()
- //}}AFX_MSG_MAP
- ON_COMMAND(ID_FILE_PRINT_PREVIEW, CView::OnFilePrintPreview)
- END_MESSAGE_MAP()
-
- UINT CPadView::m_nDefTabStops;
- UINT CPadView::m_nDefTabStopsOld;
- BOOL CPadView::m_bDefWordWrap;
- BOOL CPadView::m_bDefWordWrapOld;
- LOGFONT CPadView::m_lfDefFont;
- LOGFONT CPadView::m_lfDefFontOld;
- LOGFONT CPadView::m_lfDefPrintFont;
- LOGFONT CPadView::m_lfDefPrintFontOld;
-
- /////////////////////////////////////////////////////////////////////////////
- // Static initialization/termination
-
- static char BASED_CODE szSettings[] = "Settings";
- static char BASED_CODE szTabStops[] = "TabStops";
- static char BASED_CODE szFont[] = "Font";
- static char BASED_CODE szPrintFont[] = "PrintFont";
- static char BASED_CODE szHeight[] = "Height";
- static char BASED_CODE szWeight[] = "Weight";
- static char BASED_CODE szItalic[] = "Italic";
- static char BASED_CODE szUnderline[] = "Underline";
- static char BASED_CODE szPitchAndFamily[] = "PitchAndFamily";
- static char BASED_CODE szFaceName[] = "FaceName";
- static char BASED_CODE szSystem[] = "System";
- static char BASED_CODE szWordWrap[] = "WordWrap";
-
- static void GetProfileFont(LPCSTR szSec, LOGFONT* plf)
- {
- CWinApp* pApp = AfxGetApp();
- plf->lfHeight = pApp->GetProfileInt(szSec, szHeight, 0);
- if (plf->lfHeight != 0)
- {
- plf->lfWeight = pApp->GetProfileInt(szSec, szWeight, 0);
- plf->lfItalic = (BYTE)pApp->GetProfileInt(szSec, szItalic, 0);
- plf->lfUnderline = (BYTE)pApp->GetProfileInt(szSec, szUnderline, 0);
- plf->lfPitchAndFamily = (BYTE)pApp->GetProfileInt(szSec, szPitchAndFamily, 0);
- CString strFont = pApp->GetProfileString(szSec, szFaceName, szSystem);
- strncpy((char*)plf->lfFaceName, strFont, sizeof plf->lfFaceName);
- plf->lfFaceName[sizeof plf->lfFaceName-1] = 0;
- }
- }
-
- static void WriteProfileFont(LPCSTR szSec, const LOGFONT* plf, LOGFONT* plfOld)
- {
- CWinApp* pApp = AfxGetApp();
-
- if (plf->lfHeight != plfOld->lfHeight)
- pApp->WriteProfileInt(szSec, szHeight, plf->lfHeight);
- if (plf->lfHeight != 0)
- {
- if (plf->lfHeight != plfOld->lfHeight)
- pApp->WriteProfileInt(szSec, szHeight, plf->lfHeight);
- if (plf->lfWeight != plfOld->lfWeight)
- pApp->WriteProfileInt(szSec, szWeight, plf->lfWeight);
- if (plf->lfItalic != plfOld->lfItalic)
- pApp->WriteProfileInt(szSec, szItalic, plf->lfItalic);
- if (plf->lfUnderline != plfOld->lfUnderline)
- pApp->WriteProfileInt(szSec, szUnderline, plf->lfUnderline);
- if (plf->lfPitchAndFamily != plfOld->lfPitchAndFamily)
- pApp->WriteProfileInt(szSec, szPitchAndFamily, plf->lfPitchAndFamily);
- if (strcmp(plf->lfFaceName, plfOld->lfFaceName) != 0)
- pApp->WriteProfileString(szSec, szFaceName, (LPCSTR)plf->lfFaceName);
- }
- *plfOld = *plf;
- }
-
- void CPadView::Initialize()
- {
- CWinApp* pApp = AfxGetApp();
- m_bDefWordWrap = pApp->GetProfileInt(szSettings, szWordWrap, 0);
- m_bDefWordWrapOld = m_bDefWordWrap;
- m_nDefTabStops = pApp->GetProfileInt(szSettings, szTabStops, 8*4);
- m_nDefTabStopsOld = m_nDefTabStops;
- GetProfileFont(szFont, &m_lfDefFont);
- m_lfDefFontOld = m_lfDefFont;
- GetProfileFont(szPrintFont, &m_lfDefPrintFont);
- m_lfDefPrintFontOld = m_lfDefPrintFont;
- }
-
- void CPadView::Terminate()
- {
- CWinApp* pApp = AfxGetApp();
- if (m_nDefTabStops != m_nDefTabStopsOld)
- pApp->WriteProfileInt(szSettings, szTabStops, m_nDefTabStops);
- if (m_bDefWordWrap != m_bDefWordWrapOld)
- pApp->WriteProfileInt(szSettings, szWordWrap, m_bDefWordWrap);
- WriteProfileFont(szFont, &m_lfDefFont, &m_lfDefFontOld);
- WriteProfileFont(szPrintFont, &m_lfDefPrintFont, &m_lfDefPrintFontOld);
- }
-
- /////////////////////////////////////////////////////////////////////////////
- // CPadView construction/destruction
-
- CPadView::CPadView()
- {
- m_nTabStops = m_nDefTabStops;
- m_bRecreating = FALSE;
- }
-
- BOOL CPadView::PreCreateWindow(CREATESTRUCT& cs)
- {
- if (!CEditView::PreCreateWindow(cs))
- return FALSE;
-
- if (m_bDefWordWrap)
- cs.style &= ~(WS_HSCROLL|ES_AUTOHSCROLL);
-
- return TRUE;
- }
-
- int CPadView::OnCreate(LPCREATESTRUCT lpcs)
- {
- if (CEditView::OnCreate(lpcs) != 0)
- return -1;
- if (m_lfDefFont.lfHeight != 0)
- {
- m_font.CreateFontIndirect(&m_lfDefFont);
- SetFont(&m_font);
- }
- if (m_lfDefPrintFont.lfHeight != 0)
- {
- m_fontPrint.CreateFontIndirect(&m_lfDefPrintFont);
- SetPrinterFont(&m_fontPrint);
- }
- return 0;
- }
-
- void CPadView::PostNcDestroy()
- {
- if (m_bRecreating)
- {
- m_bRecreating = FALSE;
- return;
- }
- CEditView::PostNcDestroy();
- }
-
- /////////////////////////////////////////////////////////////////////////////
- // CPadView Word Wrap support
-
- BOOL CPadView::IsWordWrap() const
- {
- return (GetStyle() & ES_AUTOHSCROLL) == 0;
- }
-
- BOOL CPadView::SetWordWrap(BOOL bWordWrap)
- {
- bWordWrap = !!bWordWrap; // make sure ==TRUE || ==FALSE
- if (IsWordWrap() == bWordWrap)
- return FALSE;
-
- // preserve original control's state.
- CFont* pFont = GetFont();
- int nLen = GetBufferLength();
- char FAR* pSaveText = new far char[GetBufferLength()+1];
- GetWindowText(pSaveText, nLen+1);
-
- // create new edit control with appropriate style and size.
- DWORD dwStyle = dwStyleDefault & ~(ES_AUTOHSCROLL|WS_HSCROLL|WS_VISIBLE);
- if (!bWordWrap)
- dwStyle |= ES_AUTOHSCROLL|WS_HSCROLL;
-
- CWnd* pParent = GetParent();
- CRect rect;
- GetWindowRect(rect);
- pParent->ScreenToClient(rect);
- CWnd* pFocus = GetFocus();
-
- UINT nID = GetDlgCtrlID();
- CFrameWnd* pFrame = GetParentFrame();
- ASSERT(pFrame != NULL);
- CView* pActiveView = pFrame->GetActiveView();
-
- HWND hWnd = ::CreateWindow("edit", NULL, dwStyle,
- rect.left, rect.top, rect.right-rect.left, rect.bottom-rect.top,
- pParent->m_hWnd, (HMENU)nID,
- (HINSTANCE)m_segText, NULL);
-
- if (hWnd == NULL)
- {
- delete[] pSaveText;
- return FALSE;
- }
-
- // set the window text to nothing to make sure following set doesn't fail
- SetWindowText(NULL);
-
- // restore visual state
- ::SetWindowText(hWnd, pSaveText);
- delete[] pSaveText;
- if (pFont != NULL)
- {
- ASSERT(pFont->m_hObject != NULL);
- ::SendMessage(hWnd, WM_SETFONT, (WPARAM)pFont->m_hObject, 0);
- }
- UINT nTabStops = m_nTabStops;
- ::SendMessage(hWnd, EM_SETTABSTOPS, 1, (LPARAM)(LPINT)&nTabStops);
- ::GetClientRect(hWnd, &rect);
- ::SetWindowPos(hWnd, NULL, 0, 0, 0, 0,
- SWP_NOMOVE|SWP_NOSIZE|SWP_NOACTIVATE|SWP_NOZORDER|SWP_SHOWWINDOW);
- ::SetWindowPos(hWnd, NULL, 0, 0, 0, 0,
- SWP_NOMOVE|SWP_NOSIZE|SWP_NOACTIVATE|SWP_NOZORDER|SWP_DRAWFRAME);
- ::UpdateWindow(hWnd);
-
- // destroy old and attach new.
- ASSERT(m_hWnd != NULL);
- ASSERT(!m_bRecreating);
- SetWindowPos(NULL, 0, 0, 0, 0,
- SWP_HIDEWINDOW|SWP_NOREDRAW|SWP_NOMOVE|SWP_NOSIZE|SWP_NOACTIVATE|
- SWP_NOZORDER);
- m_bRecreating = TRUE;
- DestroyWindow();
- ASSERT(!m_bRecreating); // should be reset in PostNcDestroy()
- ASSERT(m_hWnd == NULL);
- SubclassWindow(hWnd);
- ASSERT(m_hWnd == hWnd);
-
- // restore rest of state...
- GetEditCtrl().LimitText(nMaxSize);
- if (pFocus == this)
- SetFocus();
- if (pActiveView == this)
- pFrame->SetActiveView(this);
-
- ASSERT_VALID(this);
- return TRUE;
- }
-
- /////////////////////////////////////////////////////////////////////////////
- // CPadView Printing support
-
- void CPadView::OnBeginPrinting(CDC* pDC, CPrintInfo* pInfo)
- {
- CEditView::OnBeginPrinting(pDC, pInfo);
- if (!pInfo->m_bPreview)
- return;
-
- CWaitCursor wait;
-
- const char* pszFileName = GetDocument()->GetPathName();
- BOOL bForceSysTime = strchr(pszFileName, '.') == NULL;
- CTime timeSys = CTime::GetCurrentTime();
- CFileStatus status;
- CFile::GetStatus(pszFileName, status);
-
- if (dlgPageSetup.m_iHeaderTime != 0 || bForceSysTime)
- m_timeHeader = timeSys;
- else
- m_timeHeader = status.m_mtime;
-
- if (dlgPageSetup.m_iFooterTime != 0 || bForceSysTime)
- m_timeFooter = timeSys;
- else
- m_timeFooter = status.m_mtime;
-
- pInfo->m_nCurPage = 0xFFFF;
- OnPrepareDC(pDC, pInfo);
-
- UINT nIndex = LOWORD(GetEditCtrl().GetSel());
- UINT nCurPage = 1;
- while (nCurPage < (UINT)m_aPageStart.GetSize())
- {
- if (nIndex < m_aPageStart[nCurPage])
- break;
- nCurPage++;
- }
- pInfo->m_nCurPage = nCurPage;
- pInfo->SetMaxPage(m_aPageStart.GetSize());
- m_nPreviewPage = nCurPage;
- }
-
- void
- CPadView::OnPrint(CDC *pDC, CPrintInfo* pInfo)
- {
- // get string to show as "filename" in header/footer
- const char* pszFileName = GetDocument()->GetPathName();
- if (pszFileName[0] == 0)
- pszFileName = GetDocument()->GetTitle();
-
- // go thru global CPageSetupDlg to format the header and footer
- CString strHeader;
- dlgPageSetup.FormatHeader(strHeader, m_timeHeader, pszFileName,
- pInfo->m_nCurPage);
- CString strFooter;
- dlgPageSetup.FormatFooter(strFooter, m_timeFooter, pszFileName,
- pInfo->m_nCurPage);
-
- TEXTMETRIC tm;
- pDC->GetTextMetrics(&tm);
- int cyChar = tm.tmHeight;
- CRect rectPage = pInfo->m_rectDraw;
-
- // draw and exclude space for header
- if (!strHeader.IsEmpty())
- {
- pDC->TextOut(rectPage.left, rectPage.top, strHeader);
- rectPage.top += cyChar + cyChar / 4;
- pDC->MoveTo(rectPage.left, rectPage.top);
- pDC->LineTo(rectPage.right, rectPage.top);
- rectPage.top += cyChar / 4;
- }
-
- // allow space for footer
- pInfo->m_rectDraw = rectPage;
- if (!strFooter.IsEmpty())
- pInfo->m_rectDraw.bottom -= cyChar + cyChar/4 + cyChar/4;
-
- // draw body text
- CEditView::OnPrint(pDC, pInfo);
-
- // draw footer
- if (!strFooter.IsEmpty())
- {
- rectPage.bottom -= cyChar;
- pDC->TextOut(rectPage.left, rectPage.bottom, strFooter);
- rectPage.bottom -= cyChar / 4;
- pDC->MoveTo(rectPage.left, rectPage.bottom);
- pDC->LineTo(rectPage.right, rectPage.bottom);
- rectPage.bottom -= cyChar / 4;
- }
- }
-
- void
- CPadView::OnScrollTo(CDC*, CPrintInfo* pInfo, POINT)
- {
- UINT nPage = pInfo->m_nCurPage;
- ASSERT(nPage < (UINT)m_aPageStart.GetSize());
- if (nPage != m_nPreviewPage)
- {
- UINT nIndex = m_aPageStart[nPage];
- GetEditCtrl().SetSel((int)nIndex, (int)nIndex);
- }
- }
-
- /////////////////////////////////////////////////////////////////////////////
- // CPadView Font Handling
-
- void CPadView::OnChooseFont()
- {
- // get current font description
- CFont* pFont = GetFont();
- LOGFONT lf;
- if (pFont != NULL)
- pFont->GetObject(sizeof(LOGFONT), &lf);
- else
- ::GetObject(GetStockObject(SYSTEM_FONT), sizeof(LOGFONT), &lf);
-
- CFontDialog dlg(&lf, CF_SCREENFONTS|CF_INITTOLOGFONTSTRUCT);
- if (dlg.DoModal() == IDOK)
- {
- // switch to new font.
- m_font.DeleteObject();
- if (m_font.CreateFontIndirect(&lf))
- {
- CWaitCursor wait;
- SetFont(&m_font);
- m_lfDefFont = lf;
- }
- }
- }
-
- static void ScaleLogFont(LPLOGFONT plf, const CDC& dcFrom, const CDC& dcTo)
- // helper to scale log font member from one DC to another!
- {
- plf->lfHeight = MulDiv(plf->lfHeight,
- dcTo.GetDeviceCaps(LOGPIXELSY), dcFrom.GetDeviceCaps(LOGPIXELSY));
- plf->lfWidth = MulDiv(plf->lfWidth,
- dcTo.GetDeviceCaps(LOGPIXELSX), dcFrom.GetDeviceCaps(LOGPIXELSX));
- }
-
- void CPadView::OnChoosePrintFont()
- {
- CWaitCursor wait;
- CFont* pFont = GetPrinterFont();
- LOGFONT lf;
- LPLOGFONT plf = NULL;
- if (pFont != NULL)
- {
- pFont->GetObject(sizeof(LOGFONT), &lf);
- plf = &lf;
- }
-
- // magic to get printer dialog that would be used if we were printing!
- CPrintDialog dlgPrint(FALSE);
- if (!AfxGetApp()->GetPrinterDeviceDefaults(&dlgPrint.m_pd))
- {
- AfxMessageBox(IDP_ERR_GET_DEVICE_DEFAULTS);
- return;
- }
- wait.Restore();
- HDC hdcPrint = dlgPrint.CreatePrinterDC();
- if (hdcPrint == NULL)
- {
- AfxMessageBox(IDP_ERR_GET_PRINTER_DC);
- return;
- }
-
- CDC dcScreen;
- dcScreen.Attach(::GetDC(NULL));
- CDC dcPrint;
- dcPrint.Attach(hdcPrint);
-
- if (plf != NULL)
- {
- // need to map initial logfont to screen metrics.
- ::ScaleLogFont(plf, dcPrint, dcScreen);
- }
-
- // now bring up the dialog since we know the printer DC
- CFontDialog dlg(plf, CF_PRINTERFONTS, &dcPrint);
- if (dlg.DoModal() == IDOK)
- {
- // map the resulting logfont back to printer metrics.
- lf = dlg.m_lf;
- ::ScaleLogFont(&lf, dcScreen, dcPrint);
-
- m_fontPrint.DeleteObject();
- if (m_fontPrint.CreateFontIndirect(&lf))
- {
- SetPrinterFont(&m_fontPrint);
- m_lfDefPrintFont = lf;
- }
- }
- //NOTE: destructor will call dcPrint.DeleteDC
-
- ::ReleaseDC(NULL, dcScreen.Detach());
- }
-
- void CPadView::OnMirrorDisplayFont()
- {
- SetPrinterFont(NULL);
- m_lfDefPrintFont.lfHeight = 0;
- }
-
- void CPadView::OnUpdateChoosePrintFont(CCmdUI* pCmdUI)
- {
- pCmdUI->SetCheck(GetPrinterFont() != NULL);
- }
-
- void CPadView::OnUpdateMirrorDisplayFont(CCmdUI* pCmdUI)
- {
- pCmdUI->SetCheck(GetPrinterFont() == NULL);
- }
-
- /////////////////////////////////////////////////////////////////////////////
- // CPadView Tab Stops
-
- void CPadView::OnSetTabStops()
- {
- CSetTabStops dlg;
- dlg.m_nTabStops = m_nTabStops/4;
- if (dlg.DoModal() == IDOK)
- {
- CWaitCursor wait;
- SetTabStops(dlg.m_nTabStops*4);
- m_nDefTabStops = m_nTabStops;
- }
- }
-
- /////////////////////////////////////////////////////////////////////////////
- // CPadView Word Wrap
-
- void CPadView::OnUpdateWordWrap(CCmdUI* pCmdUI)
- {
- pCmdUI->SetCheck(IsWordWrap());
- }
-
- void CPadView::OnWordWrap()
- {
- CWaitCursor wait;
- SetWordWrap(!IsWordWrap());
- m_bDefWordWrap = IsWordWrap();
- }
-
- /////////////////////////////////////////////////////////////////////////////
- // CPadView commands
-
- void CPadView::OnRButtonDown(UINT, CPoint)
- {
- GetParentFrame()->BringWindowToTop();
- }
-
- void CPadView::OnSize(UINT nType, int cx, int cy)
- {
- CWaitCursor wait;
- CEditView::OnSize(nType, cx, cy);
- }
-
- /////////////////////////////////////////////////////////////////////////////
- // CPadView diagnostics
-
- #ifdef _DEBUG
- void CPadView::AssertValid() const
- {
- CEditView::AssertValid();
- }
-
- void CPadView::Dump(CDumpContext& dc) const
- {
- CEditView::Dump(dc);
- }
- #endif //_DEBUG
-
- /////////////////////////////////////////////////////////////////////////////
-