#include "StdAfx.h"
#include "..\include\skincombox.h"
#include "..\include\SkinCombolBox.h"
#include "..\include\ComboBoxSkin.h"
#include "..\include\InitSKinTK.h"

CSkinCombox::CSkinCombox(void)
{
	m_nComboxState = COMBOX_NORMAL;
	m_pComboxSkin = GetSkin().GetComboxSkin();
	m_pSubListBox = NULL;
	m_bHistThumb = FALSE;
}

CSkinCombox::~CSkinCombox(void)
{
	HookWindow( (HWND)NULL);
	if(m_pSubListBox)
		delete m_pSubListBox;
}
void CSkinCombox::LoadSkin()
{
	m_bEnableSkin = FALSE;
	m_pComboxSkin = GetSkin().GetComboxSkin();
	m_bEnableSkin = TRUE;
	SetWindowPos(m_hWnd,NULL, 0, 0, 0, 0, SWP_FRAMECHANGED | SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER); 
}
void CSkinCombox::InstallSkin(HWND hWnd)
{
	m_bEnableSkin = TRUE;
	HookWindow( (HWND)NULL);

	int r = HookWindow( hWnd );

	if(m_pComboxSkin == NULL)
		m_pComboxSkin = GetSkin().GetComboxSkin();

	DWORD style		= GetWindowLong( m_hWnd, GWL_STYLE );
	DWORD exstyle	=GetWindowLong(m_hWnd,GWL_EXSTYLE);
	/*if(((style) & (WS_THICKFRAME | WS_DLGFRAME | WS_BORDER)) ||
		((exstyle) & WS_EX_DLGMODALFRAME) )
		m_bBorder = TRUE;
	else
		m_bBorder = FALSE;*/

	m_bHScroll		= style & WS_HSCROLL;
	m_bVScroll		= style & WS_VSCROLL;

	COMBOBOXINFO comboInfo;
	comboInfo.cbSize = sizeof(comboInfo);
	GetComboBoxInfo(m_hWnd,&comboInfo);
	
	
	SetWindowPos(m_hWnd,NULL, 0, 0, 0, 0, SWP_FRAMECHANGED | SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER); 
}
void CSkinCombox::HookCombolBox(HWND hWnd)
{
	if(m_pSubListBox == NULL)
	{
		m_pSubListBox = new CSkinCombolBox;
		HWND hWnd = (HWND)hWnd;
		m_pSubListBox->InstallSkin(hWnd);
		m_pSubListBox->OnNcPaint(NULL);
	}
}
LRESULT CSkinCombox::OnWndMsg(UINT msg,WPARAM wp,LPARAM lp)
{
	switch(msg)
	{
	case WM_MOUSELEAVE:
		OnMouseLeave();
		return 0;
	case WM_CTLCOLORLISTBOX:
		{
			CComboBox *pComboBox = (CComboBox*)CWnd::FromHandle(m_hWnd);
			CDC *pDC = pComboBox->GetDC();
			DrawComboBox(pDC);
			if(m_pSubListBox == NULL)
			{
				m_pSubListBox = new CSkinCombolBox;
				HWND hWnd = (HWND)lp;
				m_pSubListBox->InstallSkin(hWnd);
				m_pSubListBox->OnNcPaint(NULL);
			}
			
			 return 0; 
		}
	}
	return CSkinWnd::OnWndMsg(msg,wp,lp);
}

void CSkinCombox::OnMouseLeave()
{
	m_nComboxState &= ~COMBOX_PRESSED;
	m_nComboxState &= ~COMBOX_HOVER;

	CComboBox *pComboBox = (CComboBox*)CWnd::FromHandle(m_hWnd);
	CDC *pDC = pComboBox->GetDC();
	DrawComboBox(pDC);
}
void CSkinCombox::OnSetFocus(HWND hWnd)
{
	Default();
	CComboBox *pComboBox = (CComboBox*)CWnd::FromHandle(m_hWnd);
	CDC *pDC = pComboBox->GetDC();
	DrawComboBox(pDC);
}
void CSkinCombox::OnKillFocus(HWND hWnd)
{
	Default();
	CComboBox *pComboBox = (CComboBox*)CWnd::FromHandle(m_hWnd);
	CDC *pDC = pComboBox->GetDC();
	DrawComboBox(pDC);
}
void CSkinCombox::OnSetText(WPARAM wp,LPARAM lp)
{
	Default();
	CComboBox *pComboBox = (CComboBox*)CWnd::FromHandle(m_hWnd);
	CDC *pDC = pComboBox->GetDC();
	DrawComboBox(pDC);
}
void CSkinCombox::OnMouseMove(UINT nFlags,CPoint point)
{
	Default();
	if((m_nComboxState == COMBOX_NORMAL) && ((nFlags & MK_LBUTTON) == 0) )
	{
		TRACKMOUSEEVENT tme;
		m_bHistThumb = HitTestThumb(point);
		m_nComboxState |= COMBOX_HOVER;
		tme.cbSize = sizeof(TRACKMOUSEEVENT);
		tme.dwFlags = TME_LEAVE;
		tme.hwndTrack = m_hWnd;
		TrackMouseEvent(&tme);
	}
	else if(nFlags & MK_LBUTTON)
	{
		TRACKMOUSEEVENT tme;
		m_bHistThumb = HitTestThumb(point);
		m_nComboxState |= COMBOX_PRESSED;
		tme.cbSize = sizeof(TRACKMOUSEEVENT);
		tme.dwFlags = TME_LEAVE;
		tme.hwndTrack = m_hWnd;
		TrackMouseEvent(&tme);
	}
	CComboBox *pComboBox = (CComboBox*)CWnd::FromHandle(m_hWnd);
	CDC *pDC = pComboBox->GetDC();
	DrawComboBox(pDC);
}
void CSkinCombox::OnLButtonDown(UINT nFlags,CPoint point)
{
	Default();
	m_nComboxState |= COMBOX_PRESSED;
	CComboBox *pComboBox = (CComboBox*)CWnd::FromHandle(m_hWnd);
	CDC *pDC = pComboBox->GetDC();
	DrawComboBox(pDC);
}
void CSkinCombox::OnLButtonUp(UINT nFlags, CPoint point)
{
	Default();
	m_nComboxState &= ~COMBOX_PRESSED;
	CComboBox *pComboBox = (CComboBox*)CWnd::FromHandle(m_hWnd);
	CDC *pDC = pComboBox->GetDC();
	DrawComboBox(pDC);
}
void CSkinCombox::OnNcCalcSize( BOOL bCalcValidRects, NCCALCSIZE_PARAMS* lpncsp)
{
	DWORD style		= GetWindowLong( m_hWnd, GWL_STYLE );
	m_bHScroll		= style & WS_HSCROLL;
	m_bVScroll		= style & WS_VSCROLL;

	LPRECT lpRect = &(lpncsp->rgrc[0]);
	if(FALSE)
	{
		lpncsp->rgrc[0].left += 1;
		lpncsp->rgrc[0].top += 1;
		lpncsp->rgrc[0].right -= 1;
		lpncsp->rgrc[0].bottom -= 1;

		lpncsp->rgrc[1] = lpncsp->rgrc[0];
	}
}
void CSkinCombox::OnNcPaint(HRGN rgn1)
{
	CComboBox *pComboBox = (CComboBox*)CWnd::FromHandle(m_hWnd);
	CDC *pDC = pComboBox->GetWindowDC();
	CRect rtWindow;
	rtWindow.OffsetRect(-rtWindow.left,-rtWindow.top);
	GetWindowRect(rtWindow);

	//	m_pComboxSkin->DrawImageBorder(pDC,rtWindow,m_pComboxSkin->m_imageBorder);
}
void CSkinCombox::OnPaint()
{
	CComboBox *pComboBox = (CComboBox*)CWnd::FromHandle(m_hWnd);
	
	CPaintDC dc(pComboBox);
	Default(WM_PAINT,(WPARAM)dc.m_hDC,0);
	
	CDC *pDC = pComboBox->GetDC();
	DrawComboBox(pDC);

	CRect rtClient;
	GetClientRect(rtClient);
	if(m_pComboxSkin->DrawImageBorder(pDC,rtClient,m_pComboxSkin->m_imageBorder))
	{
		COLORREF color =::GetSysColor(CTLCOLOR_BTN);
		pDC->Draw3dRect(rtClient,color,color);
	}
}
BOOL CSkinCombox::HitTestThumb(CPoint point)
{
	CRect rtThumb ;	
	COMBOBOXINFO comboInfo;
	comboInfo.cbSize = sizeof(comboInfo);
	GetComboBoxInfo(m_hWnd,&comboInfo);

	rtThumb = comboInfo.rcButton;

	if(rtThumb.PtInRect(point))
		return TRUE;
	else
		return FALSE;
}
void CSkinCombox::DrawComboBox(CDC *pDC)
{
	if(m_pComboxSkin == NULL)
		return;
	
	CRect rtThumb ;

	COMBOBOXINFO comboInfo;
	comboInfo.cbSize = sizeof(comboInfo);
	GetComboBoxInfo(m_hWnd,&comboInfo);

	rtThumb = comboInfo.rcButton;

	if(m_nComboxState & COMBOX_DISABLED)
	{
		if(!m_pComboxSkin->DrawImageRect(pDC,rtThumb,m_pComboxSkin->m_iamgeThumb[keCheckPressed]))
			m_pComboxSkin->DrawImageRect(pDC,rtThumb,m_pComboxSkin->m_iamgeThumb[keCheckNormal]);
	}
	if(m_nComboxState & COMBOX_PRESSED)
	{
		if(!m_pComboxSkin->DrawImageRect(pDC,rtThumb,m_pComboxSkin->m_iamgeThumb[keCheckPressed]))
			m_pComboxSkin->DrawImageRect(pDC,rtThumb,m_pComboxSkin->m_iamgeThumb[keCheckNormal]);
	}
	else if(m_nComboxState & COMBOX_HOVER)
	{
		if(!m_pComboxSkin->DrawImageRect(pDC,rtThumb,m_pComboxSkin->m_iamgeThumb[keCheckHover]))
			m_pComboxSkin->DrawImageRect(pDC,rtThumb,m_pComboxSkin->m_iamgeThumb[keCheckNormal]);
	}
	else
		m_pComboxSkin->DrawImageRect(pDC,rtThumb,m_pComboxSkin->m_iamgeThumb[keCheckNormal]);

}