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// TextProgressCtrl.cpp : implementation file
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//
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// Written by Chris Maunder ([email protected])
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// Copyright 1998-2005.
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//
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// TextProgressCtrl is a drop-in replacement for the standard
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// CProgressCtrl that displays text in a progress control.
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//
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// Homepage: http://www.codeproject.com/miscctrl/text_progressctrl.asp
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//
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// This code may be used in compiled form in any way you desire. This
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// file may be redistributed by any means PROVIDING it is not sold for
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// profit without the author's written consent, and providing that this
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// notice and the author's name is included. If the source code in
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// this file is used in any commercial application then an email to
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// me would be nice.
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//
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// This file is provided "as is" with no expressed or implied warranty.
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// The author accepts no liability if it causes any damage to your
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// computer or anything else vaguely within its vicinity.
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//
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// Expect bugs.
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//
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// Please use and enjoy. Please let me know of any bugs/mods/improvements
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// that you have found/implemented and I will fix/incorporate them into this
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// file.
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////////////////////////////////////////////////////////////////////////////////
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// Revision History - by PJ Arends ([email protected])
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// July 1, 2001 - added functionality to set font to parent windows font
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// July 15, 2001 - added SetTextColor() and GetTextColor() functions
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// August 2, 2001 - Added functionality where the control now responds to
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// PBM_* progress bar messages. Now the control can be
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// controlled by sending messages to its HWND.
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// - added PBM_SETTEXTCOLOR and PBM_SETSHOWTEXT messages
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// - added the ability to call GetPos() via OnGetPos()
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// January 3, 2005 - By Kriz: Added two basic methods some other changes to
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// allow the user to switch between the three alignment
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// styles LEFT, CENTER and RIGHT - even on the fly if that's
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// needed. Methods: AlignText and AlignTextInvalidate
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// - By C Maunder: updated the code so it compiles in VC7
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// March 6, 2006 - By A. Bommarito: changed to allow text in vertical
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// progress bars; added method to change text background
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// color; added capability to independently control display
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// of text and percentage complete; added marquee mode;
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// changed to exclusively use messaging interface
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// February 22, 2007 - By A. Bommarito: changed to fix problem where progress bar
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// border didn't display on XP and above when a manifest file
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// specified use of Version 6 of the Common Controls; fixed
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// problem with AppendFormat method being used without an
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// _T() around the format string - caused compile error when
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// using Unicode (message from dev75040); added complete turn
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// off of Marquee style (message from Robert Pickford)
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//
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////////////////////////////////////////////////////////////////////////////////
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#include "stdafx.h"
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#include "TextProgressCtrl.h"
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//#include "CUserMemDC.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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// CTextProgressCtrl
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#define IDT_MARQUEE 1 // timer used to update marquee style progress bar
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#define EDGE_SPACE 2 // number of pixels to space text away from edge of progress bar
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CTextProgressCtrl::CTextProgressCtrl()
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{
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// default range
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m_nMin = 0;
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m_nMax = 100;
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// default step size
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m_nStepSize = 10;
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// initial starting position
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m_nPos = 0;
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// default colors
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m_crBarClr = CLR_DEFAULT;
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m_crBarBkClr = CLR_DEFAULT;
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m_crTextClr = CLR_DEFAULT;
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m_crTextBkClr = CLR_DEFAULT;
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// default to show percent complete, all text centered
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m_bShowPercent = TRUE;
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m_dwTextStyle = DT_CENTER;
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// default marquee bar size of 20% of full progress bar
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m_nMarqueeSize = 20;
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}
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CTextProgressCtrl::~CTextProgressCtrl()
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{
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// delete vertical font if needed
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if (m_VerticalFont.m_hObject)
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m_VerticalFont.DeleteObject();
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}
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BEGIN_MESSAGE_MAP(CTextProgressCtrl, CProgressCtrl)
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//{{AFX_MSG_MAP(CTextProgressCtrl)
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ON_WM_ERASEBKGND()
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ON_WM_PAINT()
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ON_WM_TIMER()
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//}}AFX_MSG_MAP
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ON_MESSAGE(PBM_SETRANGE, OnSetRange)
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ON_MESSAGE(PBM_SETPOS, OnSetPos)
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ON_MESSAGE(PBM_DELTAPOS, OnOffsetPos)
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ON_MESSAGE(PBM_SETSTEP, OnSetStep)
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ON_MESSAGE(PBM_STEPIT, OnStepIt)
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ON_MESSAGE(PBM_SETRANGE32, OnSetRange32)
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ON_MESSAGE(PBM_GETRANGE, OnGetRange)
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ON_MESSAGE(PBM_GETPOS, OnGetPos)
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ON_MESSAGE(PBM_SETBARCOLOR, OnSetBarColor)
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ON_MESSAGE(PBM_SETBKCOLOR, OnSetBarBkColor)
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ON_MESSAGE(PBM_USERGETBARCOLOR, OnGetBarColor)
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ON_MESSAGE(PBM_USERGETBKCOLOR, OnGetBarBkColor)
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ON_MESSAGE(PBM_SETTEXTCOLOR, OnSetTextColor)
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ON_MESSAGE(PBM_GETTEXTCOLOR, OnGetTextColor)
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ON_MESSAGE(PBM_SETTEXTBKCOLOR, OnSetTextBkColor)
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ON_MESSAGE(PBM_GETTEXTBKCOLOR, OnGetTextBkColor)
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ON_MESSAGE(PBM_SETSHOWPERCENT, OnSetShowPercent)
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ON_MESSAGE(PBM_ALIGNTEXT, OnAlignText)
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ON_MESSAGE(PBM_SETMARQUEE, OnSetMarquee)
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ON_MESSAGE(PBM_SETMARQUEEOPTIONS, OnSetMarqueeOptions)
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END_MESSAGE_MAP()
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////////////////////////////////////////////////////////////////////////////////
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// CTextProgressCtrl message handlers
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BOOL CTextProgressCtrl::OnEraseBkgnd(CDC* /*pDC*/)
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{
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return TRUE;
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}
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void CTextProgressCtrl::OnPaint()
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{
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if (m_nMin >= m_nMax)
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return;
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CPaintDC PaintDC(this); // device context for painting
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CUserMemDC dc(&PaintDC); // memory device context
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// get colors to use
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COLORREF crBarColor = (COLORREF)OnGetBarColor(0, 0);
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COLORREF crBarBkColor = (COLORREF)OnGetBarBkColor(0, 0);
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COLORREF crTextColor = (COLORREF)OnGetTextColor(0, 0);
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COLORREF crTextBkColor = (COLORREF)OnGetTextBkColor(0, 0);;
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// select progress bar font if there is one, else select parent font
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if (GetFont())
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dc.SelectObject(GetFont());
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else
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dc.SelectObject(GetParent()->GetFont());
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// get bar dimensions and draw bar outline
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BOOL bLeft = true, bMiddle = true, bRight = true;
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CRect LeftRect, MiddleRect, RightRect, ClientRect;
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GetClientRect(&ClientRect);
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DrawEdge(dc, ClientRect, EDGE_SUNKEN, BF_ADJUST | BF_RECT | BF_FLAT);
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LeftRect = MiddleRect = RightRect = ClientRect;
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// compute the fractional position
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double dFraction = (double)(m_nPos - m_nMin) / ((double)(m_nMax - m_nMin));
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// get the control style
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DWORD dwStyle = GetStyle();
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// create a vertical font if needed
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if ((dwStyle & PBS_VERTICAL) && (!m_VerticalFont.m_hObject))
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CreateVerticalFont();
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if (dwStyle & PBS_MARQUEE)
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{
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if (dwStyle & PBS_VERTICAL)
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{
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MiddleRect.top = MiddleRect.bottom - (int)((MiddleRect.Height()) * dFraction);
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MiddleRect.bottom = MiddleRect.top + (((LeftRect.Height() * m_nMarqueeSize) + 50) / 100);
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if (MiddleRect.bottom >= LeftRect.bottom)
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{
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bLeft = false;
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MiddleRect.bottom = LeftRect.bottom;
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}
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else
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LeftRect.top = MiddleRect.bottom;
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if (MiddleRect.top <= RightRect.top)
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{
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bRight = false;
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MiddleRect.top = RightRect.top;
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}
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else
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RightRect.bottom = MiddleRect.top;
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}
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else
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{
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MiddleRect.right = MiddleRect.left + (int)((MiddleRect.Width()) * dFraction);
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MiddleRect.left = MiddleRect.right - (((LeftRect.Width() * m_nMarqueeSize) + 50) / 100);
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if (MiddleRect.left <= LeftRect.left)
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{
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bLeft = false;
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MiddleRect.left = LeftRect.left;
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}
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else
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LeftRect.right = MiddleRect.left;
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if (MiddleRect.right >= RightRect.right)
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{
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bRight = false;
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MiddleRect.right = RightRect.right;
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}
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else
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RightRect.left = MiddleRect.right;
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}
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}
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else
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{
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bLeft = false;
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if (dwStyle & PBS_VERTICAL)
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{
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MiddleRect.top = MiddleRect.bottom - (int)((MiddleRect.Height()) * dFraction);
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RightRect.bottom = MiddleRect.top;
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}
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else
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{
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MiddleRect.right = MiddleRect.left + (int)((MiddleRect.Width()) * dFraction);
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RightRect.left = MiddleRect.right;
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}
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}
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if (bLeft)
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dc.FillSolidRect(LeftRect, crBarBkColor);
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if (bMiddle)
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dc.FillSolidRect(MiddleRect, crBarColor);
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if (bRight)
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dc.FillSolidRect(RightRect, crBarBkColor);
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// draw text if needed
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CString str;
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GetWindowText(str);
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if (m_bShowPercent)
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str.AppendFormat(_T("%d%%"), (int)((dFraction * 100.0) + 0.5));
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if (str.GetLength())
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{
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CFont *pOldFont = NULL;
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CPoint ptStart;
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CSize szText;
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if (dwStyle & PBS_VERTICAL)
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{
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pOldFont = (CFont*)dc.SelectObject(&m_VerticalFont);
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szText = dc.GetOutputTextExtent(str);
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switch (m_dwTextStyle)
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{
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case DT_LEFT:
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ptStart.y = ClientRect.bottom - 1 - EDGE_SPACE;
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break;
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case DT_RIGHT:
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ptStart.y = ClientRect.top + szText.cx + EDGE_SPACE;
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break;
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case DT_CENTER:
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default:
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ptStart.y = ClientRect.top + szText.cx + (ClientRect.Height() - szText.cx) / 2;
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break;
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}
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ptStart.x = ClientRect.left + ((ClientRect.Width() - szText.cy) / 2);
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}
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else
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{
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szText = dc.GetOutputTextExtent(str);
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switch (m_dwTextStyle)
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{
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case DT_LEFT:
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ptStart.x = ClientRect.left + EDGE_SPACE;
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break;
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case DT_RIGHT:
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ptStart.x = ClientRect.right - szText.cx - 1 - EDGE_SPACE;
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break;
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case DT_CENTER:
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default:
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ptStart.x = ClientRect.left + ((ClientRect.Width() - szText.cx) / 2);
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break;
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}
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ptStart.y = ClientRect.top + ((ClientRect.Height() - szText.cy) / 2);
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}
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dc.SetBkMode(TRANSPARENT);
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CRgn rgn;
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if (bLeft)
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{
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rgn.CreateRectRgn(LeftRect.left, LeftRect.top, LeftRect.right, LeftRect.bottom);
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dc.SelectClipRgn(&rgn);
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dc.SetTextColor(crTextColor);
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dc.ExtTextOut(ptStart.x, ptStart.y, ETO_CLIPPED, &ClientRect, str, NULL);
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rgn.DeleteObject();
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}
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if (bMiddle)
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{
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rgn.CreateRectRgn(MiddleRect.left, MiddleRect.top, MiddleRect.right, MiddleRect.bottom);
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dc.SelectClipRgn(&rgn);
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dc.SetTextColor(crTextBkColor);
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dc.ExtTextOut(ptStart.x, ptStart.y, ETO_CLIPPED, &ClientRect, str, NULL);
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rgn.DeleteObject();
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}
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if (bRight)
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{
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rgn.CreateRectRgn(RightRect.left, RightRect.top, RightRect.right, RightRect.bottom);
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dc.SelectClipRgn(&rgn);
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dc.SetTextColor(crTextColor);
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dc.ExtTextOut(ptStart.x, ptStart.y, ETO_CLIPPED, &ClientRect, str, NULL);
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rgn.DeleteObject();
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}
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if (pOldFont)
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dc.SelectObject(pOldFont);
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}
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}
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void CTextProgressCtrl::OnTimer(UINT_PTR nIDEvent)
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{
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static int nDirection = +1;
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if (nIDEvent == IDT_MARQUEE)
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{
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int nPosition = GetPos();
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int nMax = (int)((((double)(100 + m_nMarqueeSize) * (double)m_nMax) + 0.5) / 100.0);
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if ((nDirection == 1) && (nPosition >= nMax))
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nDirection = -1;
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else if ((nDirection == -1) && (nPosition <= m_nMin))
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nDirection = +1;
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SetPos(nPosition + nDirection);
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}
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}
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LRESULT CTextProgressCtrl::OnSetRange(WPARAM, LPARAM lparamRange)
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{
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// set new 16-bit range, returning old one
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return (OnSetRange32(LOWORD(lparamRange), HIWORD(lparamRange)));
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}
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LRESULT CTextProgressCtrl::OnSetPos(WPARAM nNewPos, LPARAM)
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{
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// save old position for return
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int nOldPos = m_nPos;
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// set new position
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m_nPos = (int)nNewPos;
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// limit position to inside of range
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DWORD dwStyle = GetStyle();
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if (m_nPos < m_nMin)
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m_nPos = m_nMin;
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if (dwStyle & PBS_MARQUEE)
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{
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int nMax = (int)((((double)(100 + m_nMarqueeSize) * (double)m_nMax) + 0.5) / 100.0);
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if (m_nPos > nMax)
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m_nPos = nMax;
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}
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else if (m_nPos > m_nMax)
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m_nPos = m_nMax;
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// call a common routine to redraw window
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CommonPaint();
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// return old position
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return ((LRESULT)nOldPos);
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}
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LRESULT CTextProgressCtrl::OnOffsetPos(WPARAM nIncrement, LPARAM)
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{
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// set new position, returning old one
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return (OnSetPos((WPARAM)(m_nPos + (int)nIncrement), 0));
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}
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LRESULT CTextProgressCtrl::OnSetStep(WPARAM nStepInc, LPARAM)
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{
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// save old step size for return
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int nOldStep = m_nStepSize;
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// set new step size
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m_nStepSize = (int)nStepInc;
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// return old step size
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return ((LRESULT)nOldStep);
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}
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LRESULT CTextProgressCtrl::OnStepIt(WPARAM, LPARAM)
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{
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// compute new position, wrapping if needed
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int nPos = m_nPos + m_nStepSize;
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if (nPos < m_nMin)
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nPos = m_nMax - abs(m_nMin - nPos);
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else if (nPos > m_nMax)
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nPos = m_nMin + abs(nPos - m_nMax);
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// set new position, returning old one
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return ((LRESULT)OnSetPos((WPARAM)nPos, 0));
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}
|
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LRESULT CTextProgressCtrl::OnSetRange32(WPARAM nLowLim, LPARAM nHighLim)
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||||
{
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// save old range for return
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int nOldMin = m_nMin;
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int nOldMax = m_nMax;
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// set new range
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m_nMin = (int)nLowLim;
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m_nMax = (int)nHighLim;
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// return old range (16 bit only)
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return (MAKELRESULT(LOWORD(nOldMin), LOWORD(nOldMax)));
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}
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LRESULT CTextProgressCtrl::OnGetRange(WPARAM bWhichLimit, LPARAM pPBRange)
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{
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// get arguments into proper types
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BOOL bType = (BOOL)bWhichLimit;
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PPBRANGE pRange = (PPBRANGE)pPBRange;
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// return both range limits if a pointer was provided
|
||||
if (pRange)
|
||||
{
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||||
pRange->iLow = m_nMin;
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||||
pRange->iHigh = m_nMax;
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||||
}
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||||
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// return selected range limit
|
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return ((LRESULT)(bType ? m_nMin : m_nMax));
|
||||
}
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||||
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||||
LRESULT CTextProgressCtrl::OnGetPos(WPARAM, LPARAM)
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||||
{
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||||
// return current position
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||||
return ((LRESULT)m_nPos);
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||||
}
|
||||
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||||
LRESULT CTextProgressCtrl::OnSetBarColor(WPARAM, LPARAM crBar)
|
||||
{
|
||||
// call a common routine to redraw window
|
||||
CommonPaint();
|
||||
|
||||
// set new bar color, returning old one
|
||||
COLORREF crOldBarClr = m_crBarClr;
|
||||
m_crBarClr = (COLORREF)crBar;
|
||||
return ((LRESULT)crOldBarClr);
|
||||
}
|
||||
|
||||
LRESULT CTextProgressCtrl::OnSetBarBkColor(WPARAM, LPARAM crBarBk)
|
||||
{
|
||||
// call a common routine to redraw window
|
||||
CommonPaint();
|
||||
|
||||
// set new bar background color, returning old one
|
||||
COLORREF crOldBarBkClr = m_crBarBkClr;
|
||||
m_crBarBkClr = (COLORREF)crBarBk;
|
||||
return ((LRESULT)crOldBarBkClr);
|
||||
}
|
||||
|
||||
LRESULT CTextProgressCtrl::OnGetBarColor(WPARAM, LPARAM)
|
||||
{
|
||||
// return current bar color
|
||||
return ((LRESULT)((m_crBarClr == CLR_DEFAULT)? ::GetSysColor(COLOR_HIGHLIGHT) : m_crBarClr));
|
||||
}
|
||||
|
||||
LRESULT CTextProgressCtrl::OnGetBarBkColor(WPARAM, LPARAM)
|
||||
{
|
||||
// return current bar background color
|
||||
return ((LRESULT)((m_crBarBkClr == CLR_DEFAULT)? ::GetSysColor(COLOR_BTNFACE) : m_crBarBkClr));
|
||||
}
|
||||
|
||||
LRESULT CTextProgressCtrl::OnSetTextColor(WPARAM, LPARAM crText)
|
||||
{
|
||||
// call a common routine to redraw window
|
||||
CommonPaint();
|
||||
|
||||
// set new text color, returning old one
|
||||
COLORREF crOldTextClr = m_crTextClr;
|
||||
m_crTextClr = (COLORREF)crText;
|
||||
return ((LRESULT)crOldTextClr);
|
||||
}
|
||||
|
||||
LRESULT CTextProgressCtrl::OnGetTextColor(WPARAM, LPARAM)
|
||||
{
|
||||
// return current text color
|
||||
return ((LRESULT)((m_crTextClr == CLR_DEFAULT ? ::GetSysColor(COLOR_WINDOWTEXT) : m_crTextClr)));
|
||||
}
|
||||
|
||||
LRESULT CTextProgressCtrl::OnSetTextBkColor(WPARAM, LPARAM crTextBkClr)
|
||||
{
|
||||
// call a common routine to redraw window
|
||||
CommonPaint();
|
||||
|
||||
// set new text background color, returning old one
|
||||
COLORREF crOldTextBkClr = m_crTextBkClr;
|
||||
m_crTextBkClr = (COLORREF)crTextBkClr;
|
||||
return ((LRESULT)crOldTextBkClr);
|
||||
}
|
||||
|
||||
LRESULT CTextProgressCtrl::OnGetTextBkColor(WPARAM, LPARAM)
|
||||
{
|
||||
// return current text background color
|
||||
return ((LRESULT)((m_crTextBkClr == CLR_DEFAULT ? ::GetSysColor(COLOR_WINDOW) : m_crTextBkClr)));
|
||||
}
|
||||
|
||||
LRESULT CTextProgressCtrl::OnSetShowPercent(WPARAM bShow, LPARAM)
|
||||
{
|
||||
// call a common routine to redraw window
|
||||
CommonPaint();
|
||||
|
||||
// set new percent completed display state, returning old one
|
||||
BOOL bOldShow = m_bShowPercent;
|
||||
m_bShowPercent = (BOOL)bShow;
|
||||
return ((LRESULT)bOldShow);
|
||||
}
|
||||
|
||||
LRESULT CTextProgressCtrl::OnAlignText(WPARAM dwAlignment, LPARAM)
|
||||
{
|
||||
// get argument into proper type
|
||||
DWORD dwAlign = (DWORD)dwAlignment;
|
||||
|
||||
// check input
|
||||
ASSERT((dwAlign == DT_LEFT) || (dwAlign == DT_RIGHT) || (dwAlign == DT_CENTER));
|
||||
|
||||
// call a common routine to redraw window
|
||||
CommonPaint();
|
||||
|
||||
// set new text alignment mode, returning old one
|
||||
DWORD dwOldTextStyle = m_dwTextStyle;
|
||||
m_dwTextStyle = dwAlign;
|
||||
return ((LRESULT)dwOldTextStyle);
|
||||
}
|
||||
|
||||
LRESULT CTextProgressCtrl::OnSetMarquee(WPARAM bShow, LPARAM uMsecBetweenUpdate)
|
||||
{
|
||||
// call a common routine to redraw window
|
||||
CommonPaint();
|
||||
|
||||
// can't have percent complete for this style
|
||||
m_bShowPercent = false;
|
||||
|
||||
// turn marquee mode on or off
|
||||
if ((BOOL)bShow)
|
||||
{
|
||||
ModifyStyle(0, PBS_MARQUEE);
|
||||
SetTimer(IDT_MARQUEE, (UINT)uMsecBetweenUpdate, NULL);
|
||||
}
|
||||
else
|
||||
{
|
||||
KillTimer(IDT_MARQUEE);
|
||||
ModifyStyle(PBS_MARQUEE, 0);
|
||||
}
|
||||
|
||||
// return current marquee mode
|
||||
return ((LRESULT)bShow);
|
||||
}
|
||||
|
||||
LRESULT CTextProgressCtrl::OnSetMarqueeOptions(WPARAM nBarSize, LPARAM)
|
||||
{
|
||||
// get argument into proper type
|
||||
int nBar = (int)nBarSize;
|
||||
|
||||
// call a common routine to redraw window
|
||||
CommonPaint();
|
||||
|
||||
// set new marquee bar size
|
||||
m_nMarqueeSize = nBar;
|
||||
|
||||
// return bar size (have to return something from a message)
|
||||
return ((LRESULT)nBar);
|
||||
}
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
// CTextProgressCtrl helper functions
|
||||
|
||||
void CTextProgressCtrl::CreateVerticalFont()
|
||||
{
|
||||
// delete old font if it exists
|
||||
if (m_VerticalFont.m_hObject)
|
||||
m_VerticalFont.DeleteObject();
|
||||
|
||||
// create a new vertical font based on the current font
|
||||
LOGFONT lf;
|
||||
GetFont()->GetLogFont(&lf);
|
||||
lf.lfEscapement = lf.lfOrientation = 900;
|
||||
m_VerticalFont.CreateFontIndirect(&lf);
|
||||
}
|
||||
|
||||
void CTextProgressCtrl::CommonPaint()
|
||||
{
|
||||
//
|
||||
// common place to mess with redraw options
|
||||
//
|
||||
// note that Invalidate() by itself won't cause
|
||||
// a repaint when this control is used in a modeless
|
||||
// dialog box
|
||||
//
|
||||
// also note that the marquee timer won't work in a modeless
|
||||
// dialog - to use marquee mode in a modeless dialog the code
|
||||
// that is running will have to pump Windows messages
|
||||
//
|
||||
|
||||
RedrawWindow();
|
||||
}
|
||||
Reference in new issue
Block a user