www.pudn.com > dmtbfq.rar > COOLMENU.CPP
// CoolMenu.cpp: implementation of the CCoolMenu class.
//
//////////////////////////////////////////////////////////////////////
#include "stdafx.h"
#include "CoolMenu.h"
#define RGB_BUTTON_BLACK (GetSysColor(COLOR_WINDOWFRAME))
#define RGB_BUTTON_WHITE (GetSysColor(COLOR_BTNHIGHLIGHT))
#define RGB_BUTTON_LIGHT (GetSysColor(COLOR_BTNFACE))
#define RGB_BUTTON_DARK (GetSysColor(COLOR_BTNSHADOW))
#define RGB_MENU_FACE (GetSysColor(COLOR_MENU))
#define RGB_MENUTEXT_BACK (GetSysColor(COLOR_HIGHLIGHT))
#define RGB_MENU_TEXT (GetSysColor(COLOR_MENUTEXT))
#define RGB_DEFINE_BLUE (RGB(0,210,60))
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
CCoolMenu::CCoolMenu()
{
m_iMenuWidth=100;
m_iMenuHeight=33;
m_nIconSize=32;
m_iItemNum=0;
m_iUpHeight=0;
m_iBackImageWidth=30;
m_clrMenuStart=RGB(0,110,180);
m_clrMenuEnd = RGB_MENU_FACE;
m_clrBarStart=RGB(0,220,180);
m_clrBarEnd = RGB_MENU_FACE;
}
CCoolMenu::~CCoolMenu()
{
}
void CCoolMenu::DrawItem( LPDRAWITEMSTRUCT lpDrawItemStruct)
{
CDCHandle DC= lpDrawItemStruct->hDC;
CDCHandle * pDC= &DC;
CRect rc=lpDrawItemStruct->rcItem;
UINT ID=lpDrawItemStruct->itemID;
// DWORD Data=lpDrawItemStruct->itemData;
int nThisID = m_MenuItemList.FindItemIndexByID(ID);
int nImageID = m_MenuItemList.FindItemImageByID (ID);
if(ID==MF_SEPARATOR)
{
CRect rect;
rect.left=rc.left+m_iBackImageWidth;
rect.right=rc.right;
rect.top=rc.top+int((rc.bottom-rc.top)/2.0);
rect.bottom=rc.bottom;
pDC->DrawEdge(rect,EDGE_ETCHED,BF_TOP);
m_iUpHeight+=rc.Height()-rect.Height();
}
else
{
pDC->SetBkMode(TRANSPARENT);
CRect ImageRect,TextRect;
CRect BkRect;
ImageRect=rc;
ImageRect.left+=m_iBackImageWidth+2;
ImageRect.right=ImageRect.left+m_nIconSize;
TextRect=rc;
TextRect.left=ImageRect.right;
BkRect=rc;
BkRect.left =m_iBackImageWidth+1 ;
if(lpDrawItemStruct->itemState==ODS_SELECTED)
{
// pDC->FillSolidRect(&BkRect,RGB_DEFINE_BLUE);
DrawGradient(pDC, &BkRect,m_clrMenuStart, m_clrMenuEnd,FALSE);
if (nImageID >=0 )
pDC->Draw3dRect(&ImageRect,RGB_BUTTON_WHITE,RGB_BUTTON_DARK);
// pDC->Draw3dRect(&TextRect,RGB_DEFINE_BLUE,RGB_DEFINE_BLUE);
}
else
{
pDC->FillSolidRect(&BkRect,RGB_MENU_FACE);
// pDC->Draw3dRect(&ImageRect,RGB_MENU_FACE,RGB_MENU_FACE);
// pDC->Draw3dRect(&TextRect,RGB_MENU_FACE,RGB_MENU_FACE);
}
//绘制图象
int x,y;
x=ImageRect.left+int((ImageRect.Width()-m_iImageWidth)/2.0);
y=ImageRect.top+int((ImageRect.Height()-m_iImageWidth)/2.0);
if (nImageID >=0)
m_ImageList.Draw(pDC->m_hDC ,nImageID,CPoint(x,y),ILD_TRANSPARENT);
TextRect.left+=5;
CString strMenuText=m_MenuItemList.FindItemTextByID (ID);
pDC->DrawText(_T(strMenuText),strMenuText.GetLength (),
&TextRect,DT_LEFT|DT_SINGLELINE|DT_VCENTER);
}
//绘制背景图
// if (lpDrawItemStruct->itemAction & ODA_DRAWENTIRE)
// m_BackImageList.Draw(pDC,item.m_iIndex,CPoint(rc.left,rc.top),ILD_TRANSPARENT);
if ( nThisID == m_iItemNum) //最后一个MenuItem
{
CRect RectBar(0,0,m_iBackImageWidth,rc.bottom );
DrawGradient( pDC, &RectBar,m_clrBarEnd, m_clrBarStart,TRUE);
}
}
void CCoolMenu::SetBackImage(UINT nID,int cx,int row)
{
// COLORREF cl=GetSysColor(COLOR_MENU);
// m_BackImageList.Create(nID,m_iMenuHeight,row,cl);
m_iBackImageHeight=m_iMenuHeight;
m_iMenuHeight=cx;
m_iBackImageWidth=21;
}
void CCoolMenu::SetImage(UINT nID, int cx, int row)
{
COLORREF cl=GetSysColor(COLOR_MENU);
m_ImageList.Create(nID,cx,row,cl);
m_iImageWidth=cx;
}
void CCoolMenu::MeasureItem(LPMEASUREITEMSTRUCT lpMeasureItemStruct)
{
if(lpMeasureItemStruct->itemID==MF_SEPARATOR)
lpMeasureItemStruct->itemHeight = 10;
else
lpMeasureItemStruct->itemHeight = m_iMenuHeight;
lpMeasureItemStruct->itemWidth = m_iMenuWidth;
}
void CCoolMenu::AppendCoolMenu(UINT nID, CString text , int nImageID/*=-1*/)
{
if(nID==MF_SEPARATOR)
AppendMenu(MF_SEPARATOR|MF_OWNERDRAW, nID,(LPCTSTR)text);
else
AppendMenu(MF_ENABLED | MF_OWNERDRAW, nID,(LPCTSTR)text);
MenuItem item;
item.m_strMenuText=text;
item.m_iIndex=m_iItemNum;
item.m_iID =nID;
item.m_iImageID = nImageID;
m_MenuItemList.Add (item);
m_iItemNum+=1;
int nWidth=text.GetLength () * 8 + m_iImageWidth + m_nIconSize+60 ;
m_iMenuWidth = ( m_iMenuWidth > nWidth) ? m_iMenuWidth : nWidth ;
}
void CCoolMenu::DrawGradient(CDCHandle * pDC, CRect * pRect , COLORREF clrStart ,
COLORREF clrEnd,BOOL bVertice /*=FALSE */)
{
RECT rectFill; // Rectangle for filling band
float fStep; // How wide is each band?
CBrush brush; // Brush to fill in the bar
int r, g, b; // First distance, then starting value
float rStep, gStep, bStep; // Step size for each color
// Get the color differences
r = (GetRValue(clrEnd) - GetRValue(clrStart));
g = (GetGValue(clrEnd) - GetGValue(clrStart));
b = (GetBValue(clrEnd) - GetBValue(clrStart));
// Make the number of steps equal to the greatest distance
int nSteps = max(abs(r), max(abs(g), abs(b)));
// Determine how large each band should be in order to cover the
// client with nSteps bands (one for every color intensity level)
if (bVertice )
fStep = (float) pRect->Height() / (float)nSteps;
else
fStep = (float) pRect->Width() / (float)nSteps;
// Calculate the step size for each color
rStep = r/(float)nSteps;
gStep = g/(float)nSteps;
bStep = b/(float)nSteps;
// Reset the colors to the starting position
r = GetRValue(clrStart);
g = GetGValue(clrStart);
b = GetBValue(clrStart);
rectFill= *pRect;
// Start filling bands
for (int i= 0; i < nSteps; i++)
{
if( bVertice)
{
rectFill.top = pRect->top + (int)(i * fStep);
rectFill.bottom = pRect->top + (int)( (i+1) * fStep );
}
else
{
rectFill.left = pRect->left + (int)(i * fStep);
rectFill.right = pRect->left + (int) ( (i+1) * fStep );
}
//CDC::FillSolidRect is faster, but it does not handle 8-bit color depth
// VERIFY(brush.CreateSolidBrush(RGB(r+rStep*i, g + gStep*i, b + bStep *i)));
// pDC->FillRect(&rectFill,&brush);
pDC->FillSolidRect(&rectFill,RGB(r+rStep*i, g + gStep*i, b + bStep *i) );
// VERIFY(brush.DeleteObject());
}
}