// FlatComboBox.cpp : implementation file
//
// Copyright � 1998 Kirk Stowell
// All Rights Reserved.
//
// Email: kstowel@sprynet.com
// URL: www.geocities.com/SiliconValley/Haven/8230
//
// This code may be used in compiled form in any way you desire. This
// file may be redistributed unmodified by any means PROVIDING it is
// not sold for profit without the authors written consent, and
// providing that this notice and the authors name and all copyright
// notices remains intact. If the source code in this file is used in
// any commercial application then a statement along the lines of
// "Portions Copyright � 1998 Kirk Stowell" must be included in
// the startup banner, "About" box or printed documentation. An email
// letting me know that you are using it would be nice as well. That's
// not much to ask considering the amount of work that went into this.
//
// This file is provided "as is" with no expressed or implied warranty.
// The author accepts no liability for any damage/loss of business that
// this product may cause.
//
// Expect bugs!
//
// Please use and enjoy, and let me know of any bugs/mods/improvements
// that you have found/implemented and I will fix/incorporate them into
// this file.
//
// History:
// --------
// This control is constantly evolving, sometimes due to new features that I
// feel are necessary, and sometimes due to existing bugs. Where possible I
// have credited the changes to those who contributed code corrections or
// enhancements (names in brackets) or code suggestions (suggested by...)
//
// 1.0 02 Oct 1998 First release version.
// 1.01 05 Oct 1998 Fixed cross platform offset bug (Todd Brannam)
// to use GetSystemMetrics(), instead of hard coded values.
//
/////////////////////////////////////////////////////////////////////////////
#include "stdafx.h"
#include "FlatComboBox.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CFlatComboBox
CFlatComboBox::CFlatComboBox()
{
m_bLBtnDown = false;
}
CFlatComboBox::~CFlatComboBox()
{
}
BEGIN_MESSAGE_MAP(CFlatComboBox, CComboBox)
//{{AFX_MSG_MAP(CFlatComboBox)
ON_WM_MOUSEMOVE()
ON_WM_LBUTTONDOWN()
ON_WM_LBUTTONUP()
ON_WM_TIMER()
ON_WM_PAINT()
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CFlatComboBox message handlers
void CFlatComboBox::OnMouseMove(UINT nFlags, CPoint point)
{
SetTimer(1,10,NULL);
CComboBox::OnMouseMove(nFlags, point);
}
void CFlatComboBox::OnLButtonDown(UINT nFlags, CPoint point)
{
m_bLBtnDown = true;
CComboBox::OnLButtonDown(nFlags, point);
}
void CFlatComboBox::OnLButtonUp(UINT nFlags, CPoint point)
{
m_bLBtnDown = false;
Invalidate();
CComboBox::OnLButtonUp(nFlags, point);
}
void CFlatComboBox::OnTimer(UINT nIDEvent)
{
POINT pt;
GetCursorPos(&pt);
CRect rcItem;
GetWindowRect(&rcItem);
static bool bPainted = false;
// OnLButtonDown, show pressed.
if (m_bLBtnDown==true) {
KillTimer (1);
if (bPainted == true) {
DrawCombo(FC_DRAWPRESSD, ::GetSysColor(COLOR_BTNSHADOW),
::GetSysColor(COLOR_BTNHIGHLIGHT));
bPainted = false;
}
return;
}
// If mouse leaves, show flat.
if (!rcItem.PtInRect(pt)) {
KillTimer (1);
if (bPainted == true) {
DrawCombo(FC_DRAWNORMAL, ::GetSysColor(COLOR_BTNFACE),
::GetSysColor(COLOR_BTNFACE));
bPainted = false;
}
return;
}
// On mouse over, show raised.
else {
if (bPainted == true)
return;
else {
bPainted = true;
DrawCombo(FC_DRAWRAISED, ::GetSysColor(COLOR_BTNSHADOW),
::GetSysColor(COLOR_BTNHIGHLIGHT));
}
}
CComboBox::OnTimer(nIDEvent);
}
void CFlatComboBox::OnPaint()
{
Default();
DrawCombo(FC_DRAWNORMAL, ::GetSysColor(COLOR_BTNFACE),
::GetSysColor(COLOR_BTNFACE));
}
void CFlatComboBox::DrawCombo(DWORD dwStyle, COLORREF clrTopLeft, COLORREF clrBottomRight)
{
CRect rcItem;
GetClientRect(&rcItem);
CDC* pDC = GetDC();
// Cover up dark 3D shadow.
pDC->Draw3dRect(rcItem, clrTopLeft, clrBottomRight);
rcItem.DeflateRect(1,1);
if (!IsWindowEnabled()) {
pDC->Draw3dRect(rcItem, ::GetSysColor(COLOR_BTNHIGHLIGHT),
::GetSysColor(COLOR_BTNHIGHLIGHT));
}
else {
pDC->Draw3dRect(rcItem, ::GetSysColor(COLOR_BTNFACE),
::GetSysColor(COLOR_BTNFACE));
}
// Cover up dark 3D shadow on drop arrow.
rcItem.DeflateRect(1,1);
rcItem.left = rcItem.right-Offset();
pDC->Draw3dRect(rcItem, ::GetSysColor(COLOR_BTNFACE),
::GetSysColor(COLOR_BTNFACE));
// Cover up normal 3D shadow on drop arrow.
rcItem.DeflateRect(1,1);
pDC->Draw3dRect(rcItem, ::GetSysColor(COLOR_BTNFACE),
::GetSysColor(COLOR_BTNFACE));
if (!IsWindowEnabled()) {
return;
}
switch (dwStyle)
{
case FC_DRAWNORMAL:
rcItem.top -= 1;
rcItem.bottom += 1;
pDC->Draw3dRect(rcItem, ::GetSysColor(COLOR_BTNHIGHLIGHT),
::GetSysColor(COLOR_BTNHIGHLIGHT));
rcItem.left -= 1;
pDC->Draw3dRect(rcItem, ::GetSysColor(COLOR_BTNHIGHLIGHT),
::GetSysColor(COLOR_BTNHIGHLIGHT));
break;
case FC_DRAWRAISED:
rcItem.top -= 1;
rcItem.bottom += 1;
pDC->Draw3dRect(rcItem, ::GetSysColor(COLOR_BTNHIGHLIGHT),
::GetSysColor(COLOR_BTNSHADOW));
break;
case FC_DRAWPRESSD:
rcItem.top -= 1;
rcItem.bottom += 1;
rcItem.OffsetRect(1,1);
pDC->Draw3dRect(rcItem, ::GetSysColor(COLOR_BTNSHADOW),
::GetSysColor(COLOR_BTNHIGHLIGHT));
break;
}
ReleaseDC(pDC);
}
int CFlatComboBox::Offset()
{
// Thanks to Todd Brannam for this suggestion...
return ::GetSystemMetrics(SM_CXHTHUMB);
}