popupmenu.cpp

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// PopupMenu.cpp: implementation of the CPopupMenu class.
//////////////////////////////////////////////////////////////////////
#include "stdafx.h"
#include "PopupMenu.h"

#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#define new DEBUG_NEW
#endif

#ifndef OBM_CHECK
#define OBM_CHECK 32760 // from winuser.h
#endif

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
CPopupMenu::CPopupMenu()
{
	crMenuText    = GetSysColor(COLOR_MENUTEXT);
	crMenuTextSel = GetSysColor(COLOR_HIGHLIGHTTEXT);
	
	cr3dFace    = GetSysColor(COLOR_3DFACE);
	crMenu      = GetSysColor(COLOR_MENU);
	crHighlight = GetSysColor(COLOR_HIGHLIGHT);
	cr3dHilight = GetSysColor(COLOR_3DHILIGHT);
	cr3dShadow  = GetSysColor(COLOR_3DSHADOW);
	crGrayText  = GetSysColor(COLOR_GRAYTEXT);
	
	m_clrBtnFace    = GetSysColor(COLOR_BTNFACE);
	m_clrBtnHilight = GetSysColor(COLOR_BTNHILIGHT);
	m_clrBtnShadow  = GetSysColor(COLOR_BTNSHADOW);
	
	iSpawnItem = 0;
	pSpawnItem = NULL;
	
	iImageItem = 0;
	pImageItem = NULL;

	szImage = CSize(20, 20);
	
	hMenuFont = NULL;
	
	NONCLIENTMETRICS ncm;
	memset(&ncm, 0, sizeof(ncm));
	ncm.cbSize = sizeof(ncm);
	
	::SystemParametersInfo(SPI_GETNONCLIENTMETRICS, 0, static_cast<PVOID>(&ncm), 0);
	
	hGuiFont = ::CreateFontIndirect(&ncm.lfMenuFont);
	
	// David 08/04/98 - start - bold font handling
	hMenuBoldFont = NULL;
	CreateBoldFont();
	// David 08/04/98 - end - bold font handling
}

CPopupMenu::~CPopupMenu()
{
	if (iSpawnItem > 0)
	{
		for (int t = 0; t < iSpawnItem; t++)
		{
			if (pSpawnItem[t]) 
				delete pSpawnItem[t];
		}
		
		GlobalFree(static_cast<HGLOBAL>(pSpawnItem));
	}
	if (iImageItem > 0)
	{
		GlobalFree(static_cast<HGLOBAL>(pImageItem));
	}
	if (hMenuFont) 
		::DeleteObject(static_cast<HGDIOBJ>(hMenuFont));
	if (hMenuBoldFont) 
		::DeleteObject(static_cast<HGDIOBJ>(hMenuBoldFont));
}

void CPopupMenu::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct)
{
	//	CDC* pDC = CDC::FromHandle(lpDrawItemStruct->hDC);
	//	CRect rcItem(lpDrawItemStruct->rcItem);
	//	pDC->FillSolidRect(rcItem, RGB(255,0,0));
	if (lpDrawItemStruct->CtlType == ODT_MENU)
	{
		UINT state    = lpDrawItemStruct->itemState;
		BOOL bEnab    = !(state & ODS_DISABLED);
		BOOL bSelect  = (state & ODS_SELECTED) ? TRUE : FALSE;
		BOOL bChecked = (state & ODS_CHECKED)  ? TRUE : FALSE;
		// David 08/04/98 - start - bold font handling
		BOOL bBold    = (state & ODS_DEFAULT) ? TRUE : FALSE;
		// David 08/04/98 - end - bold font handling
		
		SpawnItem* pItem = reinterpret_cast<SpawnItem*>(lpDrawItemStruct->itemData);
		if (pItem)
		{
			CDC* pDC = CDC::FromHandle(lpDrawItemStruct->hDC);
			CFont* pft;
			// David 08/04/98 - start - bold font handling
			if (!bBold)
				pft = CFont::FromHandle(static_cast<HFONT>(hMenuFont) ? hMenuFont : hGuiFont);
			else 
				pft = CFont::FromHandle(static_cast<HFONT>(hMenuBoldFont) ? hMenuBoldFont : hGuiFont);
			// David 08/04/98 - end - bold font handling
			CFont* of = pDC -> SelectObject(pft);
			
			CRect rc(lpDrawItemStruct->rcItem);
			CRect rcImage(rc), rcText(rc);
			rcImage.right = rcImage.left + rc.Height();
			rcImage.bottom = rc.bottom;
			
			if (pItem -> iCmd == -3) // is a separator
			{
				CPen pnDk(PS_SOLID, 1, cr3dShadow);
				CPen pnLt(PS_SOLID, 1, cr3dHilight);
				CPen * opn = pDC->SelectObject(&pnDk);
				pDC -> MoveTo(rc.left + 2, rc.top + 2);
				pDC -> LineTo(rc.right - 2, rc.top + 2);
				pDC -> SelectObject(&pnLt);
				pDC -> MoveTo(rc.left + 2, rc.top + 3);
				pDC -> LineTo(rc.right - 2, rc.top + 3);
				pDC -> SelectObject(opn);
			}
			else if (pItem -> iCmd == -4) // is a title item
			{
				CString cs(pItem -> cText), cs1;
				CRect rcBdr(rcText);
				
				if (bSelect && bEnab)
				{
					rcText.top ++;
					rcText.left += 2;
				}
				pDC -> FillSolidRect(rcText, crMenu);
				pDC -> DrawText(cs, rcText, DT_VCENTER | DT_CENTER | DT_SINGLELINE);
				if (bSelect && bEnab)
					pDC -> Draw3dRect(rcBdr, cr3dShadow, cr3dHilight);
			}
			else
			{
				rcText.left += rcImage.right + 1;
				
				int obk = pDC -> SetBkMode(TRANSPARENT);
				
				COLORREF ocr;
				if (bSelect)
				{
					if (pItem -> iImageIdx >= 0 || (state & ODS_CHECKED))
						pDC -> FillSolidRect(rcText, crHighlight);
					else
						pDC -> FillSolidRect(rc, crHighlight);
					
					ocr = pDC -> SetTextColor(crMenuTextSel);
				}
				else
				{
					if (pItem -> iImageIdx >= 0 || (state & ODS_CHECKED))
						pDC -> FillSolidRect(rcText, crMenu);
					else
						pDC -> FillSolidRect(rc/*rcText*/, crMenu);
					ocr = pDC -> SetTextColor(crMenuText);
				}
				
				if (pItem->iImageIdx >= 0)
				{
					int ay = (rcImage.Height() - szImage.cy) / 2;
					int ax = (rcImage.Width()  - szImage.cx) / 2;
					
					if (bSelect && bEnab)
						pDC -> Draw3dRect(rcImage, cr3dHilight, cr3dShadow);
					else
					{
						pDC -> Draw3dRect(rcImage, crMenu, crMenu);
					}
					
					
					if (bEnab)
					{
						ilList.Draw(pDC, pItem -> iImageIdx, CPoint(rcImage.left + ax, 
							rcImage.top +ay), ILD_NORMAL);
					}
					else
					{
						HICON hIcon = ilList.ExtractIcon(pItem -> iImageIdx);
						pDC -> DrawState(CPoint(rcImage.left + ax, rcImage.top + ay), szImage, 
							static_cast<HICON>(hIcon), DST_ICON | DSS_DISABLED, 
							static_cast<CBrush*>(NULL));
					}
				}
				else
				{
				/*
					if (bChecked)
					{
						int ay = (rcImage.Height() - szImage.cy) / 2;
						int ax = (rcImage.Width()  - szImage.cx) / 2;
				
						 ilOther.Draw(pDC, 0, CPoint(rcImage.left + ax, rcImage.top + ay - 2), ILD_NORMAL);
					 }
				*/		
					if (bChecked)
					{
						CRect rcTemp = rcImage;
						rcTemp.DeflateRect(2, 2);
						DrawCheckmark(*pDC, rcTemp, bSelect);
					}
					
					if (bSelect || lpDrawItemStruct -> itemAction == ODA_SELECT) 
					{
						COLORREF colorBG = GetSysColor(bSelect ? COLOR_HIGHLIGHT : COLOR_MENU);  	
						// selected or selection state changed: paint text background
						CRect rcBG(lpDrawItemStruct -> rcItem);	// the whole rectangle
						rcBG.left += rcImage.Width();			// do not paint over it!
						CBrush brush(colorBG);
						CBrush* pOldBrush = pDC -> SelectObject(&brush);
						pDC -> PatBlt(rcBG.left, rcBG.top, rcBG.Width(), rcBG.Height(), PATCOPY);
						pDC -> SelectObject(pOldBrush);
					}
					
				}
				
				CString cs(pItem -> cText), cs1;
				CSize sz;
				sz = pDC -> GetTextExtent(cs);
				int ay1 = (rcText.Height() - sz.cy) / 2;
				rcText.top   += ay1;
				rcText.left  += 2;
				rcText.right -= 15;
				
				int tf = cs.Find('\t');
				if (tf >= 0)
				{
					cs1 = cs.Right(cs.GetLength() - tf - 1);
					cs = cs.Left(tf);
					if (!bEnab)
					{
						if (!bSelect)
						{
							CRect rcText1(rcText);
							rcText1.InflateRect(-1, - 1);
							pDC -> SetTextColor(cr3dHilight);
							pDC -> DrawText(cs, rcText1, DT_VCENTER | DT_LEFT);
							pDC -> DrawText(cs1, rcText1, DT_VCENTER | DT_RIGHT);
							pDC -> SetTextColor(crGrayText);
							pDC -> DrawText(cs, rcText, DT_VCENTER | DT_LEFT);
							pDC -> DrawText(cs1, rcText, DT_VCENTER | DT_RIGHT);
						}
						else
						{
							pDC -> SetTextColor(crMenu);
							pDC -> DrawText(cs, rcText, DT_VCENTER | DT_LEFT);
							pDC -> DrawText(cs1, rcText, DT_VCENTER | DT_RIGHT);
						}
					}
					else
					{
						pDC -> DrawText(cs, rcText, DT_VCENTER | DT_LEFT);
						pDC -> DrawText(cs1, rcText, DT_VCENTER | DT_RIGHT);
					}
				}
				else 
				{
					if (!bEnab)
					{
						if (!bSelect)
						{
							CRect rcText1(rcText);
							rcText1.InflateRect(-1, - 1);
							pDC -> SetTextColor(cr3dHilight);
							pDC -> DrawText(cs, rcText1, DT_VCENTER | DT_LEFT | DT_EXPANDTABS);
							pDC -> SetTextColor(crGrayText);
							pDC -> DrawText(cs, rcText, DT_VCENTER | DT_LEFT | DT_EXPANDTABS);
						}
						else
						{
							pDC -> SetTextColor(crMenu);
							pDC -> DrawText(cs, rcText, DT_VCENTER | DT_LEFT | DT_EXPANDTABS);
						}
					}
					else
						pDC -> DrawText(cs, rcText, DT_VCENTER | DT_LEFT | DT_EXPANDTABS);
				}
				pDC -> SetTextColor(ocr);
				pDC -> SetBkMode(obk);
			}
			
			pDC -> SelectObject(of);
		}
	}
}

void CPopupMenu::MeasureItem(LPMEASUREITEMSTRUCT lpMeasureItemStruct)
{
	//	lpMeasureItemStruct -> itemWidth = 200;
	//	lpMeasureItemStruct -> itemHeight = 25;
	if (lpMeasureItemStruct -> CtlType == ODT_MENU)
	{
		SpawnItem* pItem = reinterpret_cast<SpawnItem*>(lpMeasureItemStruct -> itemData);
		if (pItem)
		{
			if (pItem -> iCmd == -3) // is a separator
			{
				lpMeasureItemStruct -> itemWidth  = 10;
				lpMeasureItemStruct -> itemHeight = 6;
			}
			else
			{
				CString cs(pItem -> cText);