【VC开源代码栏目提醒】:文章导读:在新的一年中,各位网友都进入紧张的学习或是工作阶段。网学会员整理了VC开源代码-DrawMenuDlg.cpp的相关内容供大家参考,祝大家在新的一年里工作和学习顺利!
// DrawMenuDlg.cpp : implementation file
//
#include "stdafx.h"
#include "DrawMenu.h"
#include "DrawMenuDlg.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About
CIconMenu::CIconMenu()
{
m_index= 0;
m_iconindex= 0;
//创建图像列表
m_imagelist.Create(16,16,ILC_COLOR24|ILC_MASK,0,0);
//添加图标
m_imagelist.Add(AfxGetApp()->LoadIcon(IDI_ICON1));
m_imagelist.Add(AfxGetApp()->LoadIcon(IDI_ICON2));
m_imagelist.Add(AfxGetApp()->LoadIcon(IDI_ICON3));
m_imagelist.Add(AfxGetApp()->LoadIcon(IDI_ICON4));
m_imagelist.Add(AfxGetApp()->LoadIcon(IDI_ICON5));
m_imagelist.Add(AfxGetApp()->LoadIcon(IDI_ICON6));
m_imagelist.Add(AfxGetApp()->LoadIcon(IDI_ICON7));
m_imagelist.Add(AfxGetApp()->LoadIcon(IDI_ICON8));
m_imagelist.Add(AfxGetApp()->LoadIcon(IDI_ICON9));
m_imagelist.Add(AfxGetApp()->LoadIcon(IDI_ICON10));
}
CIconMenu::~CIconMenu()
{
m_imagelist.Detach();
}
BOOL CIconMenu::AttatchMenu(HMENU m_hmenu)
{
this->Attach(m_hmenu);
return TRUE;
}
BOOL CIconMenu::ChangeMenuItem(CMenu* m_menu,BOOL m_Toped)
{
if (m_menu != NULL)
{
int m_itemcount = m_menu->GetMenuItemCount();
for (int i=0;i<m_itemcount;i++)
{
m_menu->GetMenuString(i,m_ItemLists[m_index].m_ItemText,MF_BYPOSITION);
int m_itemID = m_menu->GetMenuItemID(i);
if (m_itemID==-1 && m_Toped)
{
m_itemID = -2;//顶层菜单
};
m_ItemLists[m_index].m_ItemID = m_itemID;
if (m_itemID>0)
{
m_ItemLists[m_index].m_IconIndex= m_iconindex;
m_iconindex+=1;
}
m_menu->ModifyMenu(i,MF_OWNERDRAW|MF_BYPOSITION |MF_STRING,m_ItemLists[m_index].m_ItemID,(LPSTR)&(m_ItemLists[m_index]));
m_index+=1;
CMenu* m_subMenu = m_menu->GetSubMenu(i);
if (m_subMenu)
{
ChangeMenuItem(m_subMenu);
}
}
}
return TRUE ;
}
void CIconMenu::MeasureItem( LPMEASUREITEMSTRUCT lpStruct )
{
if (lpStruct->CtlType==ODT_MENU)
{
lpStruct->itemHeight = ITEMHEIGHT;
lpStruct->itemWidth = ITEMWIDTH;
CMenuItemInfo* m_iteminfo;
m_iteminfo = (CMenuItemInfo*)lpStruct->itemData;
lpStruct->itemWidth = ((CMenuItemInfo*)lpStruct->itemData)->m_ItemText.GetLength()*10;
switch(m_iteminfo->m_ItemID)
{
case 0: //分隔条
{
lpStruct->itemHeight = 1;
break;
}
}
}
}
void CIconMenu::DrawItem( LPDRAWITEMSTRUCT lpStruct )
{
if (lpStruct->CtlType==ODT_MENU)
{
if(lpStruct->itemData == NULL) return;
unsigned int m_state = lpStruct->itemState;
CDC* m_dc = CDC::FromHandle(lpStruct->hDC);
//m_dc.Attach(lpStruct->hDC);
CString str = ((CMenuItemInfo*)(lpStruct->itemData))->m_ItemText;
LPSTR m_str = str.GetBuffer(str.GetLength());
int m_itemID = ((CMenuItemInfo*)(lpStruct->itemData))->m_ItemID;
int m_itemicon = ((CMenuItemInfo*)(lpStruct->itemData))->m_IconIndex;
CRect m_rect = lpStruct->rcItem;
m_dc->SetBkMode(TRANSPARENT);
switch(m_itemID)
{
case -2:
{
DrawTopMenu(m_dc,m_rect,(m_state&ODS_SELECTED)||(m_state&0x0040)); //0x0040 ==ODS_HOTLIGHT
DrawItemText(m_dc,m_str,m_rect);
break;
}
case -1:
{
DrawItemText(m_dc,m_str,m_rect);
break;
}
case 0:
{
DrawSeparater(m_dc,m_rect);
break;
}
default:
{
DrawComMenu(m_dc,m_rect,0xfaa0,0xf00ff,m_state&ODS_SELECTED);
DrawItemText(m_dc,m_str,m_rect);
DrawMenuIcon(m_dc,m_rect,m_itemicon);
break;
}
}
}
}
/*************************************************************
功能描述: 绘制菜单项文本
参数说明: m_pdc标识画布对象,str标识菜单文本,m_rect标识菜单区域
*************************************************************/
void CIconMenu::DrawItemText(CDC* m_pdc,LPSTR str,CRect m_rect)
{
m_rect.DeflateRect(20,0);
m_pdc->DrawText(str,m_rect,DT_SINGLELINE|DT_VCENTER|DT_LEFT);
}
void CIconMenu::DrawTopMenu(CDC* m_pdc,CRect m_rect,BOOL m_selected )
{
if (m_selected)
{
m_pdc->SelectStockObject(BLACK_PEN);
m_pdc->Rectangle(&m_rect);
m_rect.DeflateRect(1,1);
m_pdc->FillSolidRect(m_rect,RGB(150, 185, 255));
}
else
{
CRect rect;
AfxGetMainWnd()->GetClientRect(rect);
rect.top = m_rect.top;
rect.bottom = m_rect.bottom;
rect.left= 400;
rect.right +=4;
m_pdc->FillSolidRect(&rect,RGB(200,187, 255));
m_pdc->FillSolidRect(&m_rect,RGB(200,187, 255));
}
}
void CIconMenu::DrawSeparater(CDC* m_pdc,CRect m_rect)
{
if (m_pdc != NULL)
{
m_pdc->Draw3dRect(m_rect,RGB(255,0,0),RGB(0,0,255));
}
}
void CIconMenu::DrawComMenu(CDC* m_pdc,CRect m_rect,COLORREF m_fromcolor,COLORREF m_tocolor, BOOL m_selected )
{
if (m_selected)
{
m_pdc->Rectangle(m_rect);
m_rect.DeflateRect(1,1);
int r1,g1,b1;
//读取渐变起点的颜色值
r1 = GetRValue(m_fromcolor);
g1 = GetGValue(m_fromcolor);
b1 = GetBValue(m_fromcolor);
int r2,g2,b2;
//读取渐变终点的颜色值
r2 = GetRValue(m_tocolor);
g2 = GetGValue(m_tocolor);
b2 = GetBValue(m_tocolor);
float r3,g3,b3;//菜单区域水平方向每个点RGB值应该变化的度(范围)
r3 = ((float)(r2-r1)) / (float)(m_rect.Height());
g3 = (float)(g2-g1)/(float)(m_rect.Height());
b3 = (float)(b2-b1)/(float)(m_rect.Height());
COLORREF r,g,b;//菜单区域水平方向每个点的颜色值
CPen* m_oldpen ;
for (int i = m_rect.top;i<m_rect.bottom;i++)
{
r = r1+(int)r3*(i-m_rect.top);
g = g1+(int)g3*(i-m_rect.top);
b = b1+ (int)b3*(i-m_rect.top);
CPen m_pen (PS_SOLID,1,RGB(r,g,b));
m_oldpen = m_pdc->SelectObject(&m_pen);
m_pdc->MoveTo(m_rect.left,i);
m_pdc->LineTo(m_rect.right,i);
}
m_pdc->SelectObject(m_oldpen);
}
else
{
m_pdc->FillSolidRect(m_rect,RGB(0x000000F9, 0x000000F8, 0x000000F7));
}
}
void CIconMenu::DrawMenuIcon(CDC* m_pdc,CRect m_rect,int m_icon )
{
m_imagelist.Draw(m_pdc,m_icon,CPoint(m_rect.left+2,m_rect.top+4),ILD_TRANSPARENT);
}
class CAboutDlg : public CDialog
{
public:
CAboutDlg();
// Dialog Data
//{{AFX_DATA(CAboutDlg)
enum { IDD = IDD_ABOUTBOX };
//}}AFX_DATA
// ClassWizard generated virtual function overrides
//{{AFX_VIRTUAL(CAboutDlg)
protected:
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support
//}}AFX_VIRTUAL
// Implementation
protected:
//{{AFX_MSG(CAboutDlg)
//}}AFX_
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