自绘菜单不能响应On_Command消息

suyife 2005-08-12 10:15:54

我实现了一个自绘菜单在dialog中使用。在类中实现了MeasureItem ,DrawItem.但是在使用中对于ON_COMMAND(ID_MIEXIT, OnMiexit)事件没有响应。不知道还要实现点什么东西。谢谢。

源代码：
// OwnMenu.cpp: Implementierung der Klasse COwnMenu.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "stdafx.h"
#include "OwnMenu.h"

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

//////////////////////////////////////////////////////////////////////
// Konstruktion/Destruktion
//////////////////////////////////////////////////////////////////////

COwnMenu::COwnMenu()
{

}

COwnMenu::~COwnMenu()
{
for(int i = 0; i < deleteItem.size(); i++)
{
delete ((MenuObject*)deleteItem[i]);
}

{for(int i = 0; i < deleteMenu.size(); i++)
{
delete ((COwnMenu*)deleteMenu[i]);
}}
}

void COwnMenu::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct)
{

CRect rectFull(lpDrawItemStruct->rcItem);
CRect rectIcon(rectFull.left,rectFull.top,rectFull.left,rectFull.top);
CRect rectText(rectIcon.right,rectFull.top,rectFull.right,rectFull.bottom);

COLORREF IconRectLeft = COLORREF(RGB(246,245,244));
COLORREF IconRectRight = COLORREF(RGB(0,209,201));
COLORREF TextRect = COLORREF(RGB(249, 248, 247));
CRect rectBorder = rectFull;
//rectBorder.left -= 3;
rectBorder.right -= 1;
CRect rectFill = rectBorder;
rectFill.left += 1;
rectFill.right -= 1;
rectFill.top += 1;
rectFill.bottom -= 1;

if(((MenuObject*)lpDrawItemStruct->itemData)->bFirstMenu)
{
ZeroMemory(&rectIcon, sizeof(CRect));
rectText = rectFull;
TextRect = GetSysColor(COLOR_BTNFACE);// COLORREF(RGB(192,192,192));
}

CDC* pDC = CDC::FromHandle(lpDrawItemStruct->hDC);
COLORREF cr = RGB(116,221,128);
/*
lpDrawItemStruct->rcItem.top-=1;
lpDrawItemStruct->rcItem.left-=1;
lpDrawItemStruct->rcItem.right+=1;
lpDrawItemStruct->rcItem.bottom+=1;
*/
if (lpDrawItemStruct->itemAction & ODA_DRAWENTIRE)
{
// Paint the color item in the color requested
CBrush br(cr);
pDC->FillRect(&lpDrawItemStruct->rcItem, &br);
}

if ((lpDrawItemStruct->itemState & ODS_SELECTED) &&
(lpDrawItemStruct->itemAction & (ODA_SELECT | ODA_DRAWENTIRE)))
{
// item has been selected - hilite frame
COLORREF crHilite = RGB(255-GetRValue(cr),
255-GetGValue(cr), 255-GetBValue(cr));
CBrush br(crHilite);
pDC->FrameRect(&lpDrawItemStruct->rcItem, &br);
}

if (!(lpDrawItemStruct->itemState & ODS_SELECTED) &&
(lpDrawItemStruct->itemAction & ODA_SELECT))
{
// Item has been de-selected -- remove frame
CBrush br(cr);
pDC->FrameRect(&lpDrawItemStruct->rcItem, &br);
}

pDC->SetBkColor(TextRect);
rectText.left += 5;
rectText.top += 1;
rectText.bottom += 1;

pDC->SetBkMode(TRANSPARENT);
pDC->DrawText(((MenuObject*)lpDrawItemStruct->itemData)->m_strCaption,&rectText, DT_LEFT |DT_VCENTER | DT_SINGLELINE | DT_WORD_ELLIPSIS);

}

void COwnMenu::MeasureItem(LPMEASUREITEMSTRUCT lpMeasureItemStruct)
{
lpMeasureItemStruct->itemHeight = 20;
lpMeasureItemStruct->itemWidth = ((MenuObject*)lpMeasureItemStruct->itemData)->m_strCaption.GetLength()*8;
}

void COwnMenu::MakeItemsOwnDraw(BOOL bFirst)
{
int iMaxItems = GetMenuItemCount();
for(int i = 0; i < iMaxItems; i++)
{
CString nameHolder;
MenuObject* pObject = new MenuObject;
deleteItem.push_back((DWORD)pObject);
pObject->m_hIcon = NULL;
pObject->bFirstMenu = bFirst;
GetMenuString(i, pObject->m_strCaption, MF_BYPOSITION);
MENUITEMINFO mInfo;
ZeroMemory(&mInfo, sizeof(MENUITEMINFO));
UINT uID = mInfo.wID; //I dont use GetMenuItemID because it doesn't return 0/-1 when it's a Popup (so the MSDN is wrong)
ModifyMenu(i, MF_BYPOSITION | MF_OWNERDRAW,
uID, (char*)pObject);

if(GetSubMenu(i))
{
COwnMenu* pSubMenu = new COwnMenu;
deleteMenu.push_back((DWORD)pSubMenu);
pSubMenu->Attach(GetSubMenu(i)->GetSafeHmenu());
pSubMenu->MakeItemsOwnDraw();
}
}
}

void COwnMenu::FillFluentRect(HDC hDC, RECT rect, byte r1, byte g1, byte b1, byte r2, byte g2, byte b2)
{
int iWidth = rect.right - rect.left;
int iHeight = rect.bottom - rect.top;

short rDif = r2 - r1;
short gDif = g2 - g1;
short bDif = b2 - b1;

for(int i = 0; i < iWidth; i++)
{
byte rCur, gCur, bCur;
rCur = r1 + (short)(float)(((float)rDif/(float)iWidth)*(float)i);
gCur = g1 + (short)(float)(((float)gDif/(float)iWidth)*(float)i);
bCur = b1 + (short)(float)(((float)bDif/(float)iWidth)*(float)i);

for(int y = 0; y < iHeight; y++)
SetPixel(hDC, rect.left + i, rect.top + y,
RGB(rCur, gCur, bCur));

}
}

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