RULER.CPP
资源名称:word.rar [点击查看]
上传用户:aakk678
上传日期:2022-07-09
资源大小:406k
文件大小:21k
源码类别:
界面编程
开发平台:
Visual C++
- // ruler.cpp : implementation file
- //
- // This is a part of the Microsoft Foundation Classes C++ library.
- // Copyright (C) 1992-1997 Microsoft Corporation
- // All rights reserved.
- //
- // This source code is only intended as a supplement to the
- // Microsoft Foundation Classes Reference and related
- // electronic documentation provided with the library.
- // See these sources for detailed information regarding the
- // Microsoft Foundation Classes product.
- #include "stdafx.h"
- #include "wordpad.h"
- #include "ruler.h"
- #include "wordpvw.h"
- #include "wordpdoc.h"
- #include "strings.h"
- #include <memory.h>
- #ifdef _DEBUG
- #undef THIS_FILE
- static char BASED_CODE THIS_FILE[] = __FILE__;
- #endif
- #define HEIGHT 17
- #define RULERBARHEIGHT 17
- CRulerItem::CRulerItem(UINT nBitmapID)
- {
- m_nAlignment = TA_CENTER;
- m_pDC = NULL;
- m_bTrack = FALSE;
- m_hbm = NULL;
- m_hbmMask = NULL;
- if (nBitmapID != 0)
- {
- m_hbmMask = ::LoadBitmap(
- AfxFindResourceHandle(MAKEINTRESOURCE(nBitmapID+1), RT_BITMAP),
- MAKEINTRESOURCE(nBitmapID+1));
- ASSERT(m_hbmMask != NULL);
- VERIFY(LoadMaskedBitmap(MAKEINTRESOURCE(nBitmapID)));
- BITMAP bm;
- ::GetObject(m_hbm, sizeof(BITMAP), &bm);
- m_size = CSize(bm.bmWidth, bm.bmHeight);
- }
- }
- CRulerItem::~CRulerItem()
- {
- if (m_hbm != NULL)
- ::DeleteObject(m_hbm);
- if (m_hbmMask != NULL)
- ::DeleteObject(m_hbmMask);
- }
- BOOL CRulerItem::LoadMaskedBitmap(LPCTSTR lpszResourceName)
- {
- ASSERT(lpszResourceName != NULL);
- if (m_hbm != NULL)
- ::DeleteObject(m_hbm);
- HINSTANCE hInst = AfxFindResourceHandle(lpszResourceName, RT_BITMAP);
- HRSRC hRsrc = ::FindResource(hInst, lpszResourceName, RT_BITMAP);
- if (hRsrc == NULL)
- return FALSE;
- m_hbm = AfxLoadSysColorBitmap(hInst, hRsrc);
- return (m_hbm != NULL);
- }
- void CRulerItem::SetHorzPosTwips(int nXPos)
- {
- if (GetHorzPosTwips() != nXPos)
- {
- if (m_bTrack)
- DrawFocusLine();
- Invalidate();
- m_nXPosTwips = nXPos;
- Invalidate();
- if (m_bTrack)
- DrawFocusLine();
- }
- }
- void CRulerItem::TrackHorzPosTwips(int nXPos, BOOL /*bOnRuler*/)
- {
- int nMin = GetMin();
- int nMax = GetMax();
- if (nXPos < nMin)
- nXPos = nMin;
- if (nXPos > nMax)
- nXPos = nMax;
- SetHorzPosTwips(nXPos);
- }
- void CRulerItem::DrawFocusLine()
- {
- if (GetHorzPosTwips() != 0)
- {
- m_rcTrack.left = m_rcTrack.right = GetHorzPosPix();
- ASSERT(m_pDC != NULL);
- int nLeft = m_pRuler->XRulerToClient(m_rcTrack.left);
- m_pDC->MoveTo(nLeft, m_rcTrack.top);
- m_pDC->LineTo(nLeft, m_rcTrack.bottom);
- }
- }
- void CRulerItem::SetTrack(BOOL b)
- {
- m_bTrack = b;
- if (m_pDC != NULL) // just in case we lost focus Capture somewhere
- {
- DrawFocusLine();
- m_pDC->RestoreDC(-1);
- delete m_pDC ;
- m_pDC = NULL;
- }
- if (m_bTrack)
- {
- CWordPadView* pView = (CWordPadView*)m_pRuler->GetView();
- ASSERT(pView != NULL);
- pView->GetClientRect(&m_rcTrack);
- m_pDC = new CWindowDC(pView);
- m_pDC->SaveDC();
- m_pDC->SelectObject(&m_pRuler->penFocusLine);
- m_pDC->SetROP2(R2_XORPEN);
- DrawFocusLine();
- }
- }
- void CRulerItem::Invalidate()
- {
- CRect rc = GetHitRectPix();
- m_pRuler->RulerToClient(rc.TopLeft());
- m_pRuler->RulerToClient(rc.BottomRight());
- m_pRuler->InvalidateRect(rc);
- }
- CRect CRulerItem::GetHitRectPix()
- {
- int nx = GetHorzPosPix();
- return CRect(
- CPoint(
- (m_nAlignment == TA_CENTER) ? (nx - m_size.cx/2) :
- (m_nAlignment == TA_LEFT) ? nx : nx - m_size.cx
- , m_nYPosPix
- ),
- m_size);
- }
- void CRulerItem::Draw(CDC& dc)
- {
- CDC dcBitmap;
- dcBitmap.CreateCompatibleDC(&dc);
- CPoint pt(GetHorzPosPix(), GetVertPosPix());
- HGDIOBJ hbm = ::SelectObject(dcBitmap.m_hDC, m_hbmMask);
- // do mask part
- if (m_nAlignment == TA_CENTER)
- dc.BitBlt(pt.x - m_size.cx/2, pt.y, m_size.cx, m_size.cy, &dcBitmap, 0, 0, SRCAND);
- else if (m_nAlignment == TA_LEFT)
- dc.BitBlt(pt.x, pt.y, m_size.cx, m_size.cy, &dcBitmap, 0, 0, SRCAND);
- else // TA_RIGHT
- dc.BitBlt(pt.x - m_size.cx, pt.y, m_size.cx, m_size.cy, &dcBitmap, 0, 0, SRCAND);
- // do image part
- ::SelectObject(dcBitmap.m_hDC, m_hbm);
- if (m_nAlignment == TA_CENTER)
- dc.BitBlt(pt.x - m_size.cx/2, pt.y, m_size.cx, m_size.cy, &dcBitmap, 0, 0, SRCINVERT);
- else if (m_nAlignment == TA_LEFT)
- dc.BitBlt(pt.x, pt.y, m_size.cx, m_size.cy, &dcBitmap, 0, 0, SRCINVERT);
- else // TA_RIGHT
- dc.BitBlt(pt.x - m_size.cx, pt.y, m_size.cx, m_size.cy, &dcBitmap, 0, 0, SRCINVERT);
- ::SelectObject(dcBitmap.m_hDC, hbm);
- }
- CComboRulerItem::CComboRulerItem(UINT nBitmapID1, UINT nBitmapID2, CRulerItem& item)
- : CRulerItem(nBitmapID1), m_secondary(nBitmapID2) , m_link(item)
- {
- m_bHitPrimary = TRUE;
- }
- BOOL CComboRulerItem::HitTestPix(CPoint pt)
- {
- m_bHitPrimary = FALSE;
- if (CRulerItem::GetHitRectPix().PtInRect(pt))
- m_bHitPrimary = TRUE;
- else
- return m_secondary.HitTestPix(pt);
- return TRUE;
- }
- void CComboRulerItem::Draw(CDC& dc)
- {
- CRulerItem::Draw(dc);
- m_secondary.Draw(dc);
- }
- void CComboRulerItem::SetHorzPosTwips(int nXPos)
- {
- if (m_bHitPrimary) // only change linked items by delta
- m_link.SetHorzPosTwips(m_link.GetHorzPosTwips() + nXPos - GetHorzPosTwips());
- CRulerItem::SetHorzPosTwips(nXPos);
- m_secondary.SetHorzPosTwips(nXPos);
- }
- void CComboRulerItem::TrackHorzPosTwips(int nXPos, BOOL /*bOnRuler*/)
- {
- int nMin = GetMin();
- int nMax = GetMax();
- if (nXPos < nMin)
- nXPos = nMin;
- if (nXPos > nMax)
- nXPos = nMax;
- SetHorzPosTwips(nXPos);
- }
- void CComboRulerItem::SetVertPos(int nYPos)
- {
- m_secondary.SetVertPos(nYPos);
- nYPos += m_secondary.GetHitRectPix().Height();
- CRulerItem::SetVertPos(nYPos);
- }
- void CComboRulerItem::SetAlignment(int nAlign)
- {
- CRulerItem::SetAlignment(nAlign);
- m_secondary.SetAlignment(nAlign);
- }
- void CComboRulerItem::SetRuler(CRulerBar* pRuler)
- {
- m_pRuler = pRuler;
- m_secondary.SetRuler(pRuler);
- }
- void CComboRulerItem::SetBounds(int nMin, int nMax)
- {
- CRulerItem::SetBounds(nMin, nMax);
- m_secondary.SetBounds(nMin, nMax);
- }
- int CComboRulerItem::GetMin()
- {
- if (m_bHitPrimary)
- {
- int nPDist = GetHorzPosTwips() - CRulerItem::GetMin();
- int nLDist = m_link.GetHorzPosTwips() - m_link.GetMin();
- return GetHorzPosTwips() - min(nPDist, nLDist);
- }
- else
- return CRulerItem::GetMin();
- }
- int CComboRulerItem::GetMax()
- {
- if (m_bHitPrimary)
- {
- int nPDist = CRulerItem::GetMax() - GetHorzPosTwips();
- int nLDist = m_link.GetMax() - m_link.GetHorzPosTwips();
- int nMinDist = (nPDist < nLDist) ? nPDist : nLDist;
- return GetHorzPosTwips() + nMinDist;
- }
- else
- return CRulerItem::GetMax();
- }
- void CTabRulerItem::TrackHorzPosTwips(int nXPos, BOOL bOnRuler)
- {
- if (bOnRuler)
- CRulerItem::TrackHorzPosTwips(nXPos, bOnRuler);
- else
- CRulerItem::TrackHorzPosTwips(0, bOnRuler);
- }
- BEGIN_MESSAGE_MAP(CRulerBar, CControlBar)
- //{{AFX_MSG_MAP(CRulerBar)
- ON_WM_LBUTTONDOWN()
- ON_WM_LBUTTONUP()
- ON_WM_MOUSEMOVE()
- ON_WM_SYSCOLORCHANGE()
- ON_WM_WINDOWPOSCHANGING()
- ON_WM_SHOWWINDOW()
- ON_WM_WINDOWPOSCHANGED()
- //}}AFX_MSG_MAP
- ON_MESSAGE(WM_SIZEPARENT, OnSizeParent)
- // Global help commands
- END_MESSAGE_MAP()
- CRulerBar::CRulerBar(BOOL b3DExt) :
- m_leftmargin(IDB_RULER_BLOCK, IDB_RULER_UP, m_indent),
- m_indent(IDB_RULER_DOWN),
- m_rightmargin(IDB_RULER_UP),
- m_tabItem(IDB_RULER_TAB)
- {
- m_bDeferInProgress = FALSE;
- m_leftmargin.SetRuler(this);
- m_indent.SetRuler(this);
- m_rightmargin.SetRuler(this);
- // all of the tab stops share handles
- for (int i=0;i<MAX_TAB_STOPS;i++)
- {
- m_pTabItems[i].m_hbm = m_tabItem.m_hbm;
- m_pTabItems[i].m_hbmMask = m_tabItem.m_hbmMask;
- m_pTabItems[i].m_size = m_tabItem.m_size;
- }
- m_unit.m_nTPU = 0;
- m_nScroll = 0;
- LOGFONT lf;
- memcpy(&lf, &theApp.m_lf, sizeof(LOGFONT));
- lf.lfHeight = -8;
- lf.lfWidth = 0;
- VERIFY(fnt.CreateFontIndirect(&lf));
- m_nTabs = 0;
- m_leftmargin.SetVertPos(9);
- m_indent.SetVertPos(-1);
- m_rightmargin.SetVertPos(9);
- m_cxLeftBorder = 0;
- if (!theApp.m_bWin4)
- m_bDraw3DExt = FALSE;
- else
- m_bDraw3DExt = b3DExt;
- m_cyTopBorder = 4;
- m_cyBottomBorder = 6;
- m_pSelItem = NULL;
- m_logx = theApp.m_dcScreen.GetDeviceCaps(LOGPIXELSX);
- CreateGDIObjects();
- }
- CRulerBar::~CRulerBar()
- {
- // set handles to NULL to avoid deleting twice
- for (int i=0;i<MAX_TAB_STOPS;i++)
- {
- m_pTabItems[i].m_hbm = NULL;
- m_pTabItems[i].m_hbmMask = NULL;
- }
- }
- void CRulerBar::CreateGDIObjects()
- {
- penFocusLine.DeleteObject();
- penBtnHighLight.DeleteObject();
- penBtnShadow.DeleteObject();
- penWindowFrame.DeleteObject();
- penBtnText.DeleteObject();
- penBtnFace.DeleteObject();
- penWindowText.DeleteObject();
- penWindow.DeleteObject();
- brushWindow.DeleteObject();
- brushBtnFace.DeleteObject();
- penFocusLine.CreatePen(PS_DOT, 1,GetSysColor(COLOR_WINDOWTEXT));
- penBtnHighLight.CreatePen(PS_SOLID, 0, GetSysColor(COLOR_BTNHIGHLIGHT));
- penBtnShadow.CreatePen(PS_SOLID, 0, GetSysColor(COLOR_BTNSHADOW));
- penWindowFrame.CreatePen(PS_SOLID, 0, GetSysColor(COLOR_WINDOWFRAME));
- penBtnText.CreatePen(PS_SOLID, 0, GetSysColor(COLOR_BTNTEXT));
- penBtnFace.CreatePen(PS_SOLID, 0, GetSysColor(COLOR_BTNFACE));
- penWindowText.CreatePen(PS_SOLID, 0, GetSysColor(COLOR_WINDOWTEXT));
- penWindow.CreatePen(PS_SOLID, 0, GetSysColor(COLOR_WINDOW));
- brushWindow.CreateSolidBrush(GetSysColor(COLOR_WINDOW));
- brushBtnFace.CreateSolidBrush(GetSysColor(COLOR_BTNFACE));
- }
- void CRulerBar::OnUpdateCmdUI(CFrameWnd* /*pTarget*/, BOOL /*bDisableIfNoHndler*/)
- {
- ASSERT_VALID(this);
- //Get the page size and see if changed -- from document
- //get margins and tabs and see if changed -- from view
- if (m_pSelItem == NULL) // only update if not in middle of dragging
- {
- CWordPadView* pView = (CWordPadView*)GetView();
- ASSERT(pView != NULL);
- Update(pView->GetPaperSize(), pView->GetMargins());
- Update(pView->GetParaFormatSelection());
- CRect rect;
- pView->GetRichEditCtrl().GetRect(&rect);
- CPoint pt = rect.TopLeft();
- pView->ClientToScreen(&pt);
- ScreenToClient(&pt);
- if (m_cxLeftBorder != pt.x)
- {
- m_cxLeftBorder = pt.x;
- Invalidate();
- }
- int nScroll = pView->GetScrollPos(SB_HORZ);
- if (nScroll != m_nScroll)
- {
- m_nScroll = nScroll;
- Invalidate();
- }
- }
- }
- CSize CRulerBar::GetBaseUnits()
- {
- ASSERT(fnt.GetSafeHandle() != NULL);
- CFont* pFont = theApp.m_dcScreen.SelectObject(&fnt);
- TEXTMETRIC tm;
- VERIFY(theApp.m_dcScreen.GetTextMetrics(&tm) == TRUE);
- theApp.m_dcScreen.SelectObject(pFont);
- // return CSize(tm.tmAveCharWidth, tm.tmHeight+tm.tmDescent);
- return CSize(tm.tmAveCharWidth, tm.tmHeight);
- }
- BOOL CRulerBar::Create(CWnd* pParentWnd, DWORD dwStyle, UINT nID)
- {
- ASSERT_VALID(pParentWnd); // must have a parent
- dwStyle |= WS_CLIPSIBLINGS;
- // force WS_CLIPSIBLINGS (avoids SetWindowPos bugs)
- m_dwStyle = (UINT)dwStyle;
- // create the HWND
- CRect rect;
- rect.SetRectEmpty();
- LPCTSTR lpszClass = AfxRegisterWndClass(0, ::LoadCursor(NULL, IDC_ARROW),
- (HBRUSH)(COLOR_BTNFACE+1), NULL);
- if (!CWnd::Create(lpszClass, NULL, dwStyle, rect, pParentWnd, nID))
- return FALSE;
- // NOTE: Parent must resize itself for control bar to be resized
- int i;
- int nMax = 100;
- for (i=0;i<MAX_TAB_STOPS;i++)
- {
- m_pTabItems[i].SetRuler(this);
- m_pTabItems[i].SetVertPos(8);
- m_pTabItems[i].SetHorzPosTwips(0);
- m_pTabItems[i].SetBounds(0, nMax);
- }
- return TRUE;
- }
- CSize CRulerBar::CalcFixedLayout(BOOL bStretch, BOOL bHorz)
- {
- ASSERT(bHorz);
- CSize m_size = CControlBar::CalcFixedLayout(bStretch, bHorz);
- CRect rectSize;
- rectSize.SetRectEmpty();
- CalcInsideRect(rectSize, bHorz); // will be negative size
- m_size.cy = RULERBARHEIGHT - rectSize.Height();
- return m_size;
- }
- void CRulerBar::Update(const PARAFORMAT& pf)
- {
- ASSERT(pf.cTabCount <= MAX_TAB_STOPS);
- m_leftmargin.SetHorzPosTwips((int)(pf.dxStartIndent + pf.dxOffset));
- m_indent.SetHorzPosTwips((int)pf.dxStartIndent);
- m_rightmargin.SetHorzPosTwips(PrintWidth() - (int) pf.dxRightIndent);
- int i = 0;
- for (i=0;i<pf.cTabCount;i++)
- m_pTabItems[i].SetHorzPosTwips((int)pf.rgxTabs[i]);
- for ( ;i<MAX_TAB_STOPS; i++)
- m_pTabItems[i].SetHorzPosTwips(0);
- }
- void CRulerBar::Update(CSize sizePaper, const CRect& rectMargins)
- {
- if ((sizePaper != m_sizePaper) || (rectMargins != m_rectMargin))
- {
- m_sizePaper = sizePaper;
- m_rectMargin = rectMargins;
- Invalidate();
- }
- if (m_unit.m_nTPU != theApp.GetTPU())
- {
- m_unit = theApp.GetUnit();
- Invalidate();
- }
- }
- void CRulerBar::FillInParaFormat(PARAFORMAT& pf)
- {
- pf.dwMask = PFM_STARTINDENT | PFM_RIGHTINDENT | PFM_OFFSET | PFM_TABSTOPS;
- pf.dxStartIndent = m_indent.GetHorzPosTwips();
- pf.dxOffset = m_leftmargin.GetHorzPosTwips() - pf.dxStartIndent;
- pf.dxRightIndent = PrintWidth() - m_rightmargin.GetHorzPosTwips();
- pf.cTabCount = 0L;
- SortTabs();
- int i, nPos = 0;
- for (i=0;i<MAX_TAB_STOPS;i++)
- {
- // get rid of zeroes and multiples
- // i.e. if we have 0,0,0,1,2,3,4,4,5
- // we will get tabs at 1,2,3,4,5
- if (nPos != m_pTabItems[i].GetHorzPosTwips())
- {
- nPos = m_pTabItems[i].GetHorzPosTwips();
- pf.rgxTabs[pf.cTabCount++] = nPos;
- }
- }
- }
- // simple bubble sort is adequate for small number of tabs
- void CRulerBar::SortTabs()
- {
- int i,j, nPos;
- for (i=0;i<MAX_TAB_STOPS - 1;i++)
- {
- for (j=i+1; j < MAX_TAB_STOPS;j++)
- {
- if (m_pTabItems[j].GetHorzPosTwips() < m_pTabItems[i].GetHorzPosTwips())
- {
- nPos = m_pTabItems[j].GetHorzPosTwips();
- m_pTabItems[j].SetHorzPosTwips(m_pTabItems[i].GetHorzPosTwips());
- m_pTabItems[i].SetHorzPosTwips(nPos);
- }
- }
- }
- }
- void CRulerBar::DoPaint(CDC* pDC)
- {
- CControlBar::DoPaint(pDC); // CControlBar::DoPaint -- draws border
- if (m_unit.m_nTPU != 0)
- {
- pDC->SaveDC();
- // offset coordinate system
- CPoint pointOffset(0,0);
- RulerToClient(pointOffset);
- pDC->SetViewportOrg(pointOffset);
- DrawFace(*pDC);
- DrawTickMarks(*pDC);
- DrawTabs(*pDC);
- m_leftmargin.Draw(*pDC);
- m_indent.Draw(*pDC);
- m_rightmargin.Draw(*pDC);
- pDC->RestoreDC(-1);
- }
- // Do not call CControlBar::OnPaint() for painting messages
- }
- void CRulerBar::DrawTabs(CDC& dc)
- {
- int i;
- int nPos = 0;
- for (i=0;i<MAX_TAB_STOPS;i++)
- {
- if (m_pTabItems[i].GetHorzPosTwips() > nPos)
- nPos = (m_pTabItems[i].GetHorzPosTwips());
- m_pTabItems[i].Draw(dc);
- }
- int nPageWidth = PrintWidth();
- nPos = nPos - nPos%720 + 720;
- dc.SelectObject(&penBtnShadow);
- for ( ; nPos < nPageWidth; nPos += 720)
- {
- int nx = XTwipsToRuler(nPos);
- dc.MoveTo(nx, HEIGHT - 1);
- dc.LineTo(nx, HEIGHT + 1);
- }
- }
- void CRulerBar::DrawFace(CDC& dc)
- {
- int nPageWidth = XTwipsToRuler(PrintWidth());
- int nPageEdge = XTwipsToRuler(PrintWidth() + m_rectMargin.right);
- dc.SaveDC();
- dc.SelectObject(&penBtnShadow);
- dc.MoveTo(0,0);
- dc.LineTo(nPageEdge - 1, 0);
- dc.LineTo(nPageEdge - 1, HEIGHT - 2);
- dc.LineTo(nPageWidth - 1, HEIGHT - 2);
- dc.LineTo(nPageWidth - 1, 1);
- dc.LineTo(nPageWidth, 1);
- dc.LineTo(nPageWidth, HEIGHT -2);
- dc.SelectObject(&penBtnHighLight);
- dc.MoveTo(nPageWidth, HEIGHT - 1);
- dc.LineTo(nPageEdge, HEIGHT -1);
- dc.MoveTo(nPageWidth + 1, HEIGHT - 3);
- dc.LineTo(nPageWidth + 1, 1);
- dc.LineTo(nPageEdge - 1, 1);
- dc.SelectObject(&penWindow);
- dc.MoveTo(0, HEIGHT - 1);
- dc.LineTo(nPageWidth, HEIGHT -1);
- dc.SelectObject(&penBtnFace);
- dc.MoveTo(1, HEIGHT - 2);
- dc.LineTo(nPageWidth - 1, HEIGHT - 2);
- dc.SelectObject(&penWindowFrame);
- dc.MoveTo(0, HEIGHT - 2);
- dc.LineTo(0, 1);
- dc.LineTo(nPageWidth - 1, 1);
- dc.FillRect(CRect(1, 2, nPageWidth - 1, HEIGHT-2), &brushWindow);
- dc.FillRect(CRect(nPageWidth + 2, 2, nPageEdge - 1, HEIGHT-2), &brushBtnFace);
- CRect rcClient;
- GetClientRect(&rcClient);
- ClientToRuler(rcClient);
- rcClient.top = HEIGHT;
- rcClient.bottom = HEIGHT + 2;
- dc.FillRect(rcClient, &brushBtnFace);
- CRect rectFill(rcClient.left, HEIGHT+4, rcClient.right, HEIGHT+9);
- dc.FillRect(rectFill, &brushWindow);
- if (m_bDraw3DExt) // draws the 3D extension into the view
- {
- dc.SelectObject(&penBtnShadow);
- dc.MoveTo(rcClient.left, HEIGHT+8);
- dc.LineTo(rcClient.left, HEIGHT+2);
- dc.LineTo(rcClient.right-1, HEIGHT+2);
- dc.SelectObject(&penWindowFrame);
- dc.MoveTo(rcClient.left+1, HEIGHT+8);
- dc.LineTo(rcClient.left+1, HEIGHT+3);
- dc.LineTo(rcClient.right-2, HEIGHT+3);
- dc.SelectObject(&penBtnHighLight);
- dc.MoveTo(rcClient.right-1, HEIGHT+2);
- dc.LineTo(rcClient.right-1, HEIGHT+8);
- dc.SelectObject(&penBtnFace);
- dc.MoveTo(rcClient.right-2, HEIGHT+3);
- dc.LineTo(rcClient.right-2, HEIGHT+8);
- }
- else
- {
- dc.SelectObject(&penBtnShadow);
- dc.MoveTo(rcClient.left, HEIGHT+2);
- dc.LineTo(rcClient.right, HEIGHT+2);
- dc.SelectObject(&penWindowFrame);
- dc.MoveTo(rcClient.left, HEIGHT+3);
- dc.LineTo(rcClient.right, HEIGHT+3);
- }
- dc.RestoreDC(-1);
- }
- void CRulerBar::DrawTickMarks(CDC& dc)
- {
- dc.SaveDC();
- dc.SelectObject(&penWindowText);
- dc.SelectObject(&fnt);
- dc.SetTextColor(GetSysColor(COLOR_WINDOWTEXT));
- dc.SetBkMode(TRANSPARENT);
- DrawDiv(dc, m_unit.m_nSmallDiv, m_unit.m_nLargeDiv, 2);
- DrawDiv(dc, m_unit.m_nMediumDiv, m_unit.m_nLargeDiv, 5);
- DrawNumbers(dc, m_unit.m_nLargeDiv, m_unit.m_nTPU);
- dc.RestoreDC(-1);
- }
- void CRulerBar::DrawNumbers(CDC& dc, int nInc, int nTPU)
- {
- int nPageWidth = PrintWidth();
- int nPageEdge = nPageWidth + m_rectMargin.right;
- TCHAR buf[10];
- int nTwips, nPixel, nLen;
- for (nTwips = nInc; nTwips < nPageEdge; nTwips += nInc)
- {
- if (nTwips == nPageWidth)
- continue;
- nPixel = XTwipsToRuler(nTwips);
- wsprintf(buf, _T("%d"), nTwips/nTPU);
- nLen = lstrlen(buf);
- CSize sz = dc.GetTextExtent(buf, nLen);
- dc.ExtTextOut(nPixel - sz.cx/2, HEIGHT/2 - sz.cy/2, 0, NULL, buf, nLen, NULL);
- }
- }
- void CRulerBar::DrawDiv(CDC& dc, int nInc, int nLargeDiv, int nLength)
- {
- int nPageWidth = PrintWidth();
- int nPageEdge = nPageWidth + m_rectMargin.right;
- int nTwips, nPixel;
- for (nTwips = nInc; nTwips < nPageEdge; nTwips += nInc)
- {
- if (nTwips == nPageWidth || nTwips%nLargeDiv == 0)
- continue;
- nPixel = XTwipsToRuler(nTwips);
- dc.MoveTo(nPixel, HEIGHT/2 - nLength/2);
- dc.LineTo(nPixel, HEIGHT/2 - nLength/2 + nLength);
- }
- }
- void CRulerBar::OnLButtonDown(UINT nFlags, CPoint point)
- {
- CPoint pt = point;
- ClientToRuler(pt);
- m_pSelItem = NULL;
- if (m_leftmargin.HitTestPix(pt))
- m_pSelItem = &m_leftmargin;
- else if (m_indent.HitTestPix(pt))
- m_pSelItem = &m_indent;
- else if (m_rightmargin.HitTestPix(pt))
- m_pSelItem = &m_rightmargin;
- else
- m_pSelItem = GetHitTabPix(pt);
- if (m_pSelItem == NULL)
- m_pSelItem = GetFreeTab();
- if (m_pSelItem == NULL)
- return;
- SetCapture();
- m_pSelItem->SetTrack(TRUE);
- SetMarginBounds();
- OnMouseMove(nFlags, point);
- }
- void CRulerBar::SetMarginBounds()
- {
- m_leftmargin.SetBounds(0, m_rightmargin.GetHorzPosTwips());
- m_indent.SetBounds(0, m_rightmargin.GetHorzPosTwips());
- int nMin = (m_leftmargin.GetHorzPosTwips() > m_indent.GetHorzPosTwips()) ?
- m_leftmargin.GetHorzPosTwips() : m_indent.GetHorzPosTwips();
- int nMax = PrintWidth() + m_rectMargin.right;
- m_rightmargin.SetBounds(nMin, nMax);
- // tabs can go from zero to the right page edge
- for (int i=0;i<MAX_TAB_STOPS;i++)
- m_pTabItems[i].SetBounds(0, nMax);
- }
- CRulerItem* CRulerBar::GetFreeTab()
- {
- int i;
- for (i=0;i<MAX_TAB_STOPS;i++)
- {
- if (m_pTabItems[i].GetHorzPosTwips() == 0)
- return &m_pTabItems[i];
- }
- return NULL;
- }
- CTabRulerItem* CRulerBar::GetHitTabPix(CPoint point)
- {
- int i;
- for (i=0;i<MAX_TAB_STOPS;i++)
- {
- if (m_pTabItems[i].HitTestPix(point))
- return &m_pTabItems[i];
- }
- return NULL;
- }
- void CRulerBar::OnLButtonUp(UINT nFlags, CPoint point)
- {
- if (::GetCapture() != m_hWnd)
- return;
- OnMouseMove(nFlags, point);
- m_pSelItem->SetTrack(FALSE);
- ReleaseCapture();
- CWordPadView* pView = (CWordPadView*)GetView();
- ASSERT(pView != NULL);
- PARAFORMAT& pf = pView->GetParaFormatSelection();
- FillInParaFormat(pf);
- pView->SetParaFormat(pf);
- m_pSelItem = NULL;
- }
- void CRulerBar::OnMouseMove(UINT nFlags, CPoint point)
- {
- CControlBar::OnMouseMove(nFlags, point);
- // use ::GetCapture to avoid creating temporaries
- if (::GetCapture() != m_hWnd)
- return;
- ASSERT(m_pSelItem != NULL);
- CRect rc(0,0, XTwipsToRuler(PrintWidth() + m_rectMargin.right), HEIGHT);
- RulerToClient(rc);
- BOOL bOnRuler = rc.PtInRect(point);
- // snap to minimum movement
- point.x = XClientToTwips(point.x);
- point.x += m_unit.m_nMinMove/2;
- point.x -= point.x%m_unit.m_nMinMove;
- m_pSelItem->TrackHorzPosTwips(point.x, bOnRuler);
- UpdateWindow();
- }
- void CRulerBar::OnSysColorChange()
- {
- CControlBar::OnSysColorChange();
- CreateGDIObjects();
- Invalidate();
- }
- void CRulerBar::OnWindowPosChanging(WINDOWPOS FAR* lpwndpos)
- {
- CControlBar::OnWindowPosChanging(lpwndpos);
- CRect rect;
- GetClientRect(rect);
- int minx = min(rect.Width(), lpwndpos->cx);
- int maxx = max(rect.Width(), lpwndpos->cx);
- rect.SetRect(minx-2, rect.bottom - 6, minx, rect.bottom);
- InvalidateRect(rect);
- rect.SetRect(maxx-2, rect.bottom - 6, maxx, rect.bottom);
- InvalidateRect(rect);
- }
- void CRulerBar::OnShowWindow(BOOL bShow, UINT nStatus)
- {
- CControlBar::OnShowWindow(bShow, nStatus);
- m_bDeferInProgress = FALSE;
- }
- void CRulerBar::OnWindowPosChanged(WINDOWPOS FAR* lpwndpos)
- {
- CControlBar::OnWindowPosChanged(lpwndpos);
- m_bDeferInProgress = FALSE;
- }
- LRESULT CRulerBar::OnSizeParent(WPARAM wParam, LPARAM lParam)
- {
- BOOL bVis = GetStyle() & WS_VISIBLE;
- if ((bVis && (m_nStateFlags & delayHide)) ||
- (!bVis && (m_nStateFlags & delayShow)))
- {
- m_bDeferInProgress = TRUE;
- }
- return CControlBar::OnSizeParent(wParam, lParam);
- }