MFC: Xinxin Sun Tutorial 5 notes

This section is mainly about text programming.

1 //Ctextview Drawing2 3 voidCtextview::ondraw (cdc*PDC)4 {5ctextdoc* PDoc =getdocument ();6 assert_valid (PDOC);7     if(!PDoc)8         return;9 Ten     //TODO: Add drawing code here for native data One     //CString str ("Nanjing Panda Electronic Equipment Co., Ltd."); A CString str; -str ="Nanjing Panda Electronic Equipment Co., Ltd."; -Pdc->textouta ( -, -, str); the  -CSize sz = pdc->gettextextent (str); -  - Str. LoadString (Ids_xiongmao); +Pdc->textouta (0, $, str); -  +Pdc->Beginpath (); APdc->rectangle ( -, -, -+SZ.CX, -+sz.cy); atPdc->Endpath (); -Pdc->Selectclippath (Rgn_diff); -     //Pdc->selectclippath (rgn_and); -      for(inti =0; I < -; i+=Ten) { -Pdc->moveto (0, i); -Pdc->lineto ( -, i); inPdc->moveto (I,0); -Pdc->lineto (I, -); to     } +}

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1 //Ctextview message handlers2 3 intctextview::oncreate (lpcreatestruct lpcreatestruct)4 {5     if(Cview::oncreate (lpcreatestruct) = =-1)6         return-1;7 8     //TODO: Add your own dedicated creation code here9CCLIENTDC DC ( This);Ten Textmetric TM; Onedc. GetTextMetrics (&TM); A //Createsolidcaret (TM.TMAVECHARWIDTH/8, tm.tmheight); -      - bitmap. LoadBitmap (IDB_BITMAP1); theCreateCaret (&bitmap); -  - ShowCaret (); -  +SetTimer (1, -, NULL); -     return 0; +}

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1 voidCtextview::onchar (UINT NChar, uint nrepcnt, uint nflags)2 {3     //TODO: Add Message Handler code and/or call default values here4CCLIENTDC DC ( This);5 CFont font;6Font. CreatePointFont ( -,"XXFarEastFont-Xingkai", NULL);7CFont *poldfont = DC. SelectObject (&font);8 9 Textmetric TM;Tendc. GetTextMetrics (&TM); One     if(0x0d==NChar) { A m_strline.empty (); -M_PTORIGIN.Y + =Tm.tmheight; -     } the     Else if(0x08==NChar) { -COLORREF CLR =DC. SetTextColor (DC. GetBkColor ()); - DC. Textouta (m_ptorigin.x, M_PTORIGIN.Y, m_strline); -M_strline = M_strline.left (M_strline.getlength ()-1); + DC. SetTextColor (CLR); -     } +     Else { AM_strline + =(wchar_t) NChar; at     } -CSize sz =DC. GetTextExtent (m_strline); -  - CPoint pt; -Pt.x = m_ptorigin.x +sz.cx; -Pt.y =M_PTORIGIN.Y; in  - Setcaretpos (PT); to DC. Textouta (m_ptorigin.x, M_PTORIGIN.Y, m_strline); +  - DC. SelectObject (Poldfont); the  * Cview::onchar (NChar, nrepcnt, nflags); $}

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1 void Ctextview::onlbuttondown (UINT nflags, CPoint point) 2 {3     // TODO: Add Message Handler code and/or call default values here 4     Setcaretpos (point); 5     m_strline.empty (); 6     M_ptorigin = Point ; 7     Cview::onlbuttondown (nflags, point); 8 }

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1 voidCtextview::ontimer (uint_ptr nidevent)2 {3     //TODO: Add Message Handler code and/or call default values here4M_nwidth + =5;5     6CCLIENTDC DC ( This);7 Textmetric TM;8dc. GetTextMetrics (&TM);9 CRect rect;TenRect.left =0; OneRect.top = $; ARect.right =M_nwidth; -Rect.bottom = Rect.top +Tm.tmheight; -  thedc. SetTextColor (RGB (255,0,0)); - CString str; - Str. Loadstringa (Ids_xiongmao); - DC. DrawText (str, rect, dt_left); +  -Rect.top = Max; +Rect.bottom = Rect.top +Tm.tmheight; A     //DC. DrawText (str, rect, dt_right); at DC. DrawText (str, rect, dt_center); -  -CSize sz =DC. GetTextExtent (str); -     if(M_nwidth >sz.cx) { -M_nwidth =0; -dc. SetTextColor (RGB (0,255,0)); indc. TextOut (0, $, str); -     } to  + Cview::ontimer (nidevent); -}

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MFC: Xinxin Sun Tutorial 5 notes