BitmapMenu.docx

BitmapMenu.docx

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BitmapMenu

#include

#include"resource.h"

VOIDWINAPILoadChartBitmaps（HBITMAP*paHbm）;

VOIDWINAPICreateLineBitmaps（HBITMAP*paHbm,HWNDhwnd）;

VOIDWINAPIAddBitmapMenu（HWNDhwnd,LPTSTRlpszText,UINTuID,HBITMAP*paHbm,intcItems）;

LRESULTCALLBACKMainWindowProc（HWNDhwnd,UINTuMsg,WPARAMwParam,LPARAMlParam）;

//Menu-itemidentifiers

#defineIDM_SOLID500

#defineIDM_DASH501

#defineIDM_DOT502

#defineIDM_DASHDOT503

#defineIDM_DASHDOTDOT504

//NumberofitemsontheChartandLinesmenus

#defineC_LINES5

#defineC_CHARTS3

//Dimensionsofthelinebitmaps

#defineCX_LINEBMP40

#defineCY_LINEBMP10

HINSTANCEg_hinst;

intWINAPIWinMain（HINSTANCEhInstance,HINSTANCEhPrevInstance,

PSTRszCmdLine,intiCmdShow）

{

TCHARszAppName[16],szCaption[64],szErrMsg[64];

HWNDhwnd;

MSGmsg;

WNDCLASSwndclass;

LoadString（hInstance,IDS_APPNAME,szAppName,

sizeof（szAppName）/sizeof（TCHAR））;

LoadString（hInstance,IDS_CAPTION,szCaption,

sizeof（szCaption）/sizeof（TCHAR））;

wndclass.style=CS_HREDRAW|CS_VREDRAW;

wndclass.lpfnWndProc=MainWindowProc;

wndclass.cbClsExtra=0;

wndclass.cbWndExtra=0;

wndclass.hInstance=hInstance;

wndclass.hIcon=LoadIcon（hInstance,szAppName）;

wndclass.hCursor=LoadCursor（NULL,IDC_ARROW）;

wndclass.hbrBackground=（HBRUSH）GetStockObject（WHITE_BRUSH）;

wndclass.lpszMenuName=szAppName;

wndclass.lpszClassName=szAppName;

if（!

RegisterClass（&wndclass））

{

LoadStringA（hInstance,IDS_APPNAME,（char*）szAppName,

sizeof（szAppName））;

LoadStringA（hInstance,IDS_ERRMSG,（char*）szErrMsg,

sizeof（szErrMsg））;

MessageBoxA（NULL,（char*）szErrMsg,

（char*）szAppName,MB_ICONERROR）;

return0;

}

g_hinst=hInstance;

hwnd=CreateWindow（szAppName,szCaption,

WS_OVERLAPPEDWINDOW|WS_CLIPCHILDREN,

CW_USEDEFAULT,CW_USEDEFAULT,

CW_USEDEFAULT,CW_USEDEFAULT,

NULL,NULL,hInstance,NULL）;

ShowWindow（hwnd,iCmdShow）;

UpdateWindow（hwnd）;

while（GetMessage（&msg,NULL,0,0））

{

TranslateMessage（&msg）;

DispatchMessage（&msg）;

}

returnmsg.wParam;

}

LRESULTCALLBACKMainWindowProc（HWNDhwnd,UINTuMsg,WPARAMwParam,LPARAMlParam）

{

staticHBITMAPaHbmLines[C_LINES];

staticHBITMAPaHbmChart[C_CHARTS];

inti;

switch（uMsg）

{

caseWM_CREATE:

//Callapplication-definedfunctionstoloadthe

//bitmapsfortheChartmenuandcreatethosefor

//theLinesmenu.

LoadChartBitmaps（aHbmChart）;

CreateLineBitmaps（aHbmLines,hwnd）;

//Callanapplication-definedfunctiontocreate

//menuscontainingthebitmapmenuitems.Thefunction

//alsoaddsamenunametothewindow'smenubar.

AddBitmapMenu（

hwnd,//menubar'sownerwindow

TEXT（"&Chart"）,//textofmenunameonmenubar

IDB_PIE,//IDoffirstitemonmenu

aHbmChart,//arrayofbitmaphandles

C_CHARTS//numberofitemsonmenu

）;

AddBitmapMenu（hwnd,TEXT（"&Lines"）,IDM_SOLID,

aHbmLines,C_LINES）;

DrawMenuBar（hwnd）;

break;

caseWM_DESTROY:

for（i=0;i

DeleteObject（aHbmLines[i]）;

for（i=0;i

DeleteObject（aHbmChart[i]）;

PostQuitMessage（0）;

break;

//Processadditionalmessageshere.

default:

return（DefWindowProc（hwnd,uMsg,wParam,lParam））;

}

return0;

}

VOIDWINAPILoadChartBitmaps（HBITMAP*paHbm）

{

paHbm[0]=LoadBitmap（g_hinst,MAKEINTRESOURCE（IDB_PIE））;

paHbm[1]=LoadBitmap（g_hinst,MAKEINTRESOURCE（IDB_LINE））;

paHbm[2]=LoadBitmap（g_hinst,MAKEINTRESOURCE（IDB_BAR））;

}

VOIDWINAPICreateLineBitmaps（HBITMAP*paHbm,HWNDhwnd）

{

HDChdc=GetDC（hwnd）;

HDChdcMem=CreateCompatibleDC（hdc）;

COLORREFclrMenu=GetSysColor（COLOR_MENU）;

HBRUSHhbrOld;

HPENhpenOld;

HBITMAPhbmOld;

intfnDrawMode;

inti;

//Createabrushusingthemenubackgroundcolor,

//andselectitintothememoryDC.

hbrOld=SelectObject（hdcMem,CreateSolidBrush（clrMenu））;

//Createthebitmaps.Selecteachoneintothememory

//DCthatwascreatedanddrawinit.

for（i=0;i

{

//CreatethebitmapandselectitintotheDC.

paHbm[i]=CreateCompatibleBitmap（hdc,

CX_LINEBMP,CY_LINEBMP）;

hbmOld=SelectObject（hdcMem,paHbm[i]）;

//Fillthebackgroundusingthebrush.

PatBlt（hdcMem,0,0,CX_LINEBMP,CY_LINEBMP,PATCOPY）;

//CreatethepenandselectitintotheDC.

hpenOld=SelectObject（hdcMem,

CreatePen（PS_SOLID+i,1,RGB（0,0,0）））;

//Drawtheline.Topreservethebackgroundcolorwhere

//thepeniswhite,usetheR2_MASKPENdrawingmode.

fnDrawMode=SetROP2（hdcMem,R2_MASKPEN）;

MoveToEx（hdcMem,0,CY_LINEBMP/2,NULL）;

LineTo（hdcMem,CX_LINEBMP,CY_LINEBMP/2）;

SetROP2（hdcMem,fnDrawMode）;

//Deletethepen,andselecttheoldpenandbitmap.

DeleteObject（SelectObject（hdcMem,hpenOld））;

SelectObject（hdcMem,hbmOld）;

}

//Deletethebrushandselecttheoriginalbrush.

DeleteObject（SelectObject（hdcMem,hbrOld））;

//DeletethememoryDCandreleasethedesktopDC.

DeleteDC（hdcMem）;

ReleaseDC（hwnd,hdc）;

}

VOIDWINAPIAddBitmapMenu（

HWNDhwnd,//windowthatownedthemenubar

LPTSTRlpszText,//textofmenunameonmenubar

UINTuID,//IDoffirstbitmapmenuitem

HBITMAP*paHbm,//bitmapsforthemenuitems

intcItems）//numberbitmapmenuitems

{

HMENUhmenuBar=GetMenu（hwnd）;

HMENUhmenuPopup=CreatePopupMenu（）;

MENUITEMINFOmii;

inti;

//Addthebitmapmenuitemstothemenu.

mii.cbSize=sizeof（MENUITEMINFO）;

for（i=0;i

{

mii.fMask=MIIM_ID|MIIM_BITMAP;

mii.wID=uID+i;

mii.hbmpItem=paHbm[i];

//mii.dwItemData=IDStart+i;

InsertMenuItem（hmenuPopup,i,TRUE,&mii）;

}

//Addamenunametothemenubar.

mii.fMask=MIIM_STRING|MIIM_DATA|MIIM_SUBMENU;

mii.fType=MFT_STRING;

mii.hSubMenu=hmenuPopup;

mii.dwTypeData=lpszText;

InsertMenuItem（hmenuBar,

GetMenuItemCount（hmenuBar）,TRUE,&mii）;

}