MFC: 孙鑫教程6笔记

这节课的主要内容是讲菜单，分为静态菜单和动态菜单

动态：

CMainFrame::OnCreate

 1 int CMainFrame::OnCreate(LPCREATESTRUCT lpCreateStruct)
 2 {
 3     if (CFrameWnd::OnCreate(lpCreateStruct) == -1)
 4         return -1;
 5
 6     if (!m_wndToolBar.CreateEx(this, TBSTYLE_FLAT, WS_CHILD | WS_VISIBLE | CBRS_TOP
 7         | CBRS_GRIPPER | CBRS_TOOLTIPS | CBRS_FLYBY | CBRS_SIZE_DYNAMIC) ||
 8         !m_wndToolBar.LoadToolBar(IDR_MAINFRAME))
 9     {
10         TRACE0("未能创建工具栏\n");
11         return -1;      // 未能创建
12     }
13
14     if (!m_wndStatusBar.Create(this) ||
15         !m_wndStatusBar.SetIndicators(indicators,
16           sizeof(indicators)/sizeof(UINT)))
17     {
18         TRACE0("未能创建状态栏\n");
19         return -1;      // 未能创建
20     }
21
22     // TODO: 如果不需要可停靠工具栏，则删除这三行
23     m_wndToolBar.EnableDocking(CBRS_ALIGN_ANY);
24     EnableDocking(CBRS_ALIGN_ANY);
25     DockControlBar(&m_wndToolBar);
26
27     /*CMenu menu;
28     menu.CreatePopupMenu();
29 //    GetMenu()->AppendMenuA(MF_POPUP, (UINT)menu.m_hMenu, "Panda");
30     GetMenu()->InsertMenuA(2, MF_BYPOSITION | MF_POPUP, (UINT)menu.m_hMenu, "Panda");
31     menu.AppendMenuA(MF_STRING, IDM_HELLO, "Hello");
32     menu.AppendMenuA(MF_STRING, 112, "Panda");
33     menu.AppendMenuA(MF_STRING, 113, "Mybole");
34 /*    GetMenu()->GetSubMenu(0)->AppendMenuA(MF_STRING, 114, "welcome");
35     GetMenu()->GetSubMenu(0)->InsertMenuA(ID_FILE_OPEN, MF_BYCOMMAND | MF_STRING, 115, "熊猫");
36     GetMenu()->DeleteMenu(1, MF_BYPOSITION);
37     GetMenu()->GetSubMenu(0)->DeleteMenu(2, MF_BYPOSITION);*/
38
39     /*menu.Detach();*/
40
41     return 0;
42 }

CMainFrame::OnCommand

 1 BOOL CMainFrame::OnCommand(WPARAM wParam, LPARAM lParam)
 2 {
 3     // TODO: 在此添加专用代码和/或调用基类
 4     int MenuCmdId = LOWORD(wParam);
 5     //CMenu2View view;
 6     CMenu2View *pView = (CMenu2View*)GetActiveView();
 7     if (MenuCmdId >= IDM_PHONE1 && MenuCmdId < IDM_PHONE1+pView->m_strArray.GetSize())
 8     {
 9         CClientDC dc(pView);
10         dc.TextOutA(0, 0, pView->m_strArray.GetAt(MenuCmdId-IDM_PHONE1));
11         //MessageBox("Test");
12         return TRUE;
13     }
14     return CFrameWnd::OnCommand(wParam, lParam);
15 }

CMenu2View::OnChar

 1 void CMenu2View::OnChar(UINT nChar, UINT nRepCnt, UINT nFlags)
 2 {
 3     // TODO: 在此添加消息处理程序代码和/或调用默认值
 4     CClientDC dc(this);
 5
 6     if (0x0d == nChar) {
 7         if (0 == ++m_nIndex) {
 8             m_menu.CreatePopupMenu();
 9             GetParent()->GetMenu()->AppendMenuA(MF_POPUP, (UINT)m_menu.m_hMenu, "PhoneBook");
10             GetParent()->DrawMenuBar();
11         }
12         m_menu.AppendMenuA(MF_STRING, IDM_PHONE1+m_nIndex, m_strLine.Left(m_strLine.Find(‘ ‘)));
13         m_strArray.Add(m_strLine);
14         m_strLine.Empty();
15         Invalidate();
16     }
17     else {
18         m_strLine += (wchar_t)nChar;
19         dc.TextOutA(0, 0, m_strLine);
20     }
21
22
23     CView::OnChar(nChar, nRepCnt, nFlags);
24 }

CMenu2View::OnPhone1

 1 void CMenu2View::OnPhone2()
 2 {
 3     // TODO: 在此添加命令处理程序代码
 4     CClientDC dc(this);
 5     dc.TextOut(0, 0, m_strArray.GetAt(1));
 6 }
 7
 8 void CMenu2View::OnPhone1()
 9 {
10     // TODO: 在此添加命令处理程序代码
11     CClientDC dc(this);
12     dc.TextOut(0, 0, m_strArray.GetAt(0));
13 }
14
15 void CMenu2View::OnPhone3()
16 {
17     // TODO: 在此添加命令处理程序代码
18     CClientDC dc(this);
19     dc.TextOut(0, 0, m_strArray.GetAt(2));
20 }
21
22 void CMenu2View::OnPhone4()
23 {
24     // TODO: 在此添加命令处理程序代码
25     CClientDC dc(this);
26     dc.TextOut(0, 0, m_strArray.GetAt(3));
27 }

静态：

CMenuView::OnRButtonDown

 1 void CMenuView::OnRButtonDown(UINT nFlags, CPoint point)
 2 {
 3     // TODO: 在此添加消息处理程序代码和/或调用默认值
 4     CMenu menu;
 5     menu.LoadMenuA(IDR_MENU1);
 6     CMenu *pPopup = menu.GetSubMenu(0);
 7     ClientToScreen(&point);
 8
 9     //pPopup->TrackPopupMenu(TPM_LEFTALIGN | TPM_RIGHTBUTTON, point.x, point.y, this);
10     pPopup->TrackPopupMenu(TPM_LEFTALIGN | TPM_RIGHTBUTTON, point.x, point.y, GetParent());
11
12     CView::OnRButtonDown(nFlags, point);
13 }

CMainFrame::OnCreate

 1 int CMainFrame::OnCreate(LPCREATESTRUCT lpCreateStruct)
 2 {
 3     if (CFrameWnd::OnCreate(lpCreateStruct) == -1)
 4         return -1;
 5
 6     if (!m_wndToolBar.CreateEx(this, TBSTYLE_FLAT, WS_CHILD | WS_VISIBLE | CBRS_TOP
 7         | CBRS_GRIPPER | CBRS_TOOLTIPS | CBRS_FLYBY | CBRS_SIZE_DYNAMIC) ||
 8         !m_wndToolBar.LoadToolBar(IDR_MAINFRAME))
 9     {
10         TRACE0("未能创建工具栏\n");
11         return -1;      // 未能创建
12     }
13
14     if (!m_wndStatusBar.Create(this) ||
15         !m_wndStatusBar.SetIndicators(indicators,
16           sizeof(indicators)/sizeof(UINT)))
17     {
18         TRACE0("未能创建状态栏\n");
19         return -1;      // 未能创建
20     }
21
22     // TODO: 如果不需要可停靠工具栏，则删除这三行
23     m_wndToolBar.EnableDocking(CBRS_ALIGN_ANY);
24     EnableDocking(CBRS_ALIGN_ANY);
25     DockControlBar(&m_wndToolBar);
26
27     //GetMenu()->GetSubMenu(0)->CheckMenuItem(0, MF_BYPOSITION | MF_CHECKED);
28     //GetMenu()->GetSubMenu(0)->CheckMenuItem(ID_FILE_NEW, MF_BYCOMMAND | MF_CHECKED);
29     //GetMenu()->GetSubMenu(0)->SetDefaultItem(1, TRUE);
30     //GetMenu()->GetSubMenu(0)->SetDefaultItem(ID_FILE_OPEN);
31     //GetMenu()->GetSubMenu(0)->SetDefaultItem(5, TRUE);
32
33     /*CString str;
34     str.Format("x = %d, y = %d", GetSystemMetrics(SM_CXMENUCHECK), GetSystemMetrics(SM_CXMENUCHECK));
35     MessageBox(str);
36     m_bitmap.LoadBitmapA(IDB_BITMAP1);
37     GetMenu()->GetSubMenu(0)->SetMenuItemBitmaps(0, MF_BYPOSITION, &m_bitmap, &m_bitmap);*/
38
39     //GetMenu()->GetSubMenu(0)->EnableMenuItem(1, MF_BYPOSITION | MF_DISABLED | MF_GRAYED);
40
41     SetMenu(NULL);
42
43     CMenu menu;
44     menu.LoadMenuA(IDR_MAINFRAME);
45     SetMenu(&menu);
46     menu.Detach();
47
48     return 0;
49 }

CMainFrame::OnUpdateEditCut

1 void CMainFrame::OnUpdateEditCut(CCmdUI *pCmdUI)
2 {
3     // TODO: 在此添加命令更新用户界面处理程序代码
4     //if (2 == pCmdUI->m_nIndex)
5     if (ID_EDIT_CUT == pCmdUI->m_nID)
6         pCmdUI->Enable();
7     //pCmdUI->Enable();
8 }

CMainFrame::OnUpdateFileNew

1 void CMainFrame::OnUpdateFileNew(CCmdUI *pCmdUI)
2 {
3     // TODO: 在此添加命令更新用户界面处理程序代码
4 //    if (ID_FILE_NEW == pCmdUI->m_nID)
5 //        pCmdUI->Enable(FALSE);
6     if (0 == pCmdUI->m_nIndex)
7         pCmdUI->Enable(FALSE);
8 }

CMainFrame::OnShow

1 void CMainFrame::OnShow()
2 {
3     // TODO: 在此添加命令处理程序代码
4     MessageBox("MainFrame show!");
5 }