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/////////////////////////////////////////////////////////////////////////
//
// CSizingControlBarCF Version 2.43
//
// Created: Dec 21, 1998 Last Modified: August 03, 2000
//
// See the official site at www.datamekanix.com for documentation and
// the latest news.
//
/////////////////////////////////////////////////////////////////////////
// Copyright (C) 1998-2000 by Cristi Posea. All rights reserved.
//
// This code is free for personal and commercial use, providing this
// notice remains intact in the source files and all eventual changes are
// clearly marked with comments.
//
// You must obtain the author's consent before you can include this code
// in a software library.
//
// No warrantee of any kind, express or implied, is included with this
// software; use at your own risk, responsibility for damages (if any) to
// anyone resulting from the use of this software rests entirely with the
// user.
//
// Send bug reports, bug fixes, enhancements, requests, flames, etc. to
// cristi@datamekanix.com or post them at the message board at the site.
/////////////////////////////////////////////////////////////////////////
#include "stdafx.h"
#include "scbarcf.h"
/////////////////////////////////////////////////////////////////////////
// CSizingControlBarCF
IMPLEMENT_DYNAMIC(CSizingControlBarCF, baseCSizingControlBarCF);
int CALLBACK EnumFontFamProc(ENUMLOGFONT FAR *lpelf,
NEWTEXTMETRIC FAR *lpntm,
int FontType,
LPARAM lParam)
{
UNUSED_ALWAYS(lpelf);
UNUSED_ALWAYS(lpntm);
UNUSED_ALWAYS(FontType);
UNUSED_ALWAYS(lParam);
return 0;
}
CSizingControlBarCF::CSizingControlBarCF()
{
m_bActive = FALSE;
CDC dc;
dc.CreateCompatibleDC(NULL);
m_sFontFace = (::EnumFontFamilies(dc.m_hDC,
_T("Tahoma"), (FONTENUMPROC) EnumFontFamProc, 0) == 0) ?
_T("Tahoma") : _T("Arial");
dc.DeleteDC();
}
BEGIN_MESSAGE_MAP(CSizingControlBarCF, baseCSizingControlBarCF)
//{{AFX_MSG_MAP(CSizingControlBarCF)
//}}AFX_MSG_MAP
ON_MESSAGE(WM_SETTEXT, OnSetText)
END_MESSAGE_MAP()
void CSizingControlBarCF::OnUpdateCmdUI(CFrameWnd* pTarget, BOOL bDisableIfNoHndler)
{
baseCSizingControlBarCF::OnUpdateCmdUI(pTarget, bDisableIfNoHndler);
if(!HasGripper())
return;
BOOL bNeedPaint = FALSE;
CWnd* pFocus = GetFocus();
BOOL bActiveOld = m_bActive;
m_bActive = (pFocus->GetSafeHwnd() && IsChild(pFocus));
if(m_bActive != bActiveOld)
bNeedPaint = TRUE;
if(bNeedPaint)
SendMessage(WM_NCPAINT);
}
// gradient defines (if not already defined)
#ifndef COLOR_GRADIENTACTIVECAPTION
#define COLOR_GRADIENTACTIVECAPTION 27
#define COLOR_GRADIENTINACTIVECAPTION 28
#define SPI_GETGRADIENTCAPTIONS 0x1008
#endif
void CSizingControlBarCF::NcPaintGripper(CDC* pDC, CRect rcClient)
{
if(!HasGripper())
return;
// compute the caption rectangle
BOOL bHorz = IsHorzDocked();
CRect rcGrip = rcClient;
CRect rcBtn = m_biHide.GetRect();
if(bHorz)
{
// right side gripper
rcGrip.left -= m_cyGripper + 1;
rcGrip.right = rcGrip.left + 11;
rcGrip.top = rcBtn.bottom + 3;
}
else
{
// gripper at top
rcGrip.top -= m_cyGripper + 1;
rcGrip.bottom = rcGrip.top + 11;
rcGrip.right = rcBtn.left - 3;
}
rcGrip.InflateRect(bHorz ? 1 : 0, bHorz ? 0 : 1);
// draw the caption background
//CBrush br;
COLORREF clrCptn = m_bActive ?
::GetSysColor(COLOR_ACTIVECAPTION) :
::GetSysColor(COLOR_INACTIVECAPTION);
// query gradient info (usually TRUE for Win98/Win2k)
BOOL bGradient = FALSE;
::SystemParametersInfo(SPI_GETGRADIENTCAPTIONS, 0, &bGradient, 0);
if(!bGradient)
pDC->FillSolidRect(&rcGrip, clrCptn); // solid color
else
{
// gradient from left to right or from bottom to top
// get second gradient color (the right end)
COLORREF clrCptnRight = m_bActive ?
::GetSysColor(COLOR_GRADIENTACTIVECAPTION) :
::GetSysColor(COLOR_GRADIENTINACTIVECAPTION);
// this will make 2^6 = 64 fountain steps
int nShift = 6;
int nSteps = 1 << nShift;
for(int i = 0; i < nSteps; i++)
{
// do a little alpha blending
int nR = (GetRValue(clrCptn) * (nSteps - i) +
GetRValue(clrCptnRight) * i) >> nShift;
int nG = (GetGValue(clrCptn) * (nSteps - i) +
GetGValue(clrCptnRight) * i) >> nShift;
int nB = (GetBValue(clrCptn) * (nSteps - i) +
GetBValue(clrCptnRight) * i) >> nShift;
COLORREF cr = RGB(nR, nG, nB);
// then paint with the resulting color
CRect r2 = rcGrip;
if(bHorz)
{
r2.bottom = rcGrip.bottom -
((i * rcGrip.Height()) >> nShift);
r2.top = rcGrip.bottom -
(((i + 1) * rcGrip.Height()) >> nShift);
if(r2.Height() > 0)
pDC->FillSolidRect(r2, cr);
}
else
{
r2.left = rcGrip.left +
((i * rcGrip.Width()) >> nShift);
r2.right = rcGrip.left +
(((i + 1) * rcGrip.Width()) >> nShift);
if(r2.Width() > 0)
pDC->FillSolidRect(r2, cr);
}
}
}
// draw the caption text - first select a font
CFont font;
int ppi = pDC->GetDeviceCaps(LOGPIXELSX);
int pointsize = MulDiv(85, 96, ppi); // 8.5 points at 96 ppi
LOGFONT lf;
BOOL bFont = font.CreatePointFont(pointsize, m_sFontFace);
if(bFont)
{
// get the text color
COLORREF clrCptnText = m_bActive ?
::GetSysColor(COLOR_CAPTIONTEXT) :
::GetSysColor(COLOR_INACTIVECAPTIONTEXT);
int nOldBkMode = pDC->SetBkMode(TRANSPARENT);
COLORREF clrOldText = pDC->SetTextColor(clrCptnText);
if(bHorz)
{
// rotate text 90 degrees CCW if horizontally docked
font.GetLogFont(&lf);
font.DeleteObject();
lf.lfEscapement = 900;
font.CreateFontIndirect(&lf);
}
CFont* pOldFont = pDC->SelectObject(&font);
CString sTitle;
GetWindowText(sTitle);
CPoint ptOrg = bHorz ?
CPoint(rcGrip.left - 1, rcGrip.bottom - 3) :
CPoint(rcGrip.left + 3, rcGrip.top - 1);
pDC->ExtTextOut(ptOrg.x, ptOrg.y,
ETO_CLIPPED, rcGrip, sTitle, NULL);
pDC->SelectObject(pOldFont);
pDC->SetBkMode(nOldBkMode);
pDC->SetTextColor(clrOldText);
}
// draw the button
m_biHide.Paint(pDC);
}
LRESULT CSizingControlBarCF::OnSetText(WPARAM wParam, LPARAM lParam)
{
LRESULT lResult = baseCSizingControlBarCF::OnSetText(wParam, lParam);
SendMessage(WM_NCPAINT);
return lResult;
}
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