以对话框为父窗口创建的菜单,菜单响应函数可以写在对话框类中。
菜单响应函数的映射和普通菜单响应映射一样。
但是菜单状态更新命令,需要特殊处理。
对话框里创建的菜单,响应函数可以写在其他类。
需要源码的,留下邮箱索取。
url: http://greatverve.cnblogs.com/archive/2012/11/28/dlg-on-update-command-ui.html
参考:
http://support.microsoft.com/kb/242577/zh-cn
http://greatverve.cnblogs.com/archive/2012/11/21/mfc-dlg-menu-cmd.html
BEGIN_MESSAGE_MAP(CDlg, CDialogEx)
ON_WM_INITMENU()
ON_WM_INITMENUPOPUP()
// 大气象
ON_UPDATE_COMMAND_UI_RANGE( 1001, 1002,&OnMenuItemUI)
END_MESSAGE_MAP()
// 设置Check或Enable
void CDlg::OnMenuItemUI(CCmdUI *pCmdUI)
{
if (pCmdUI->m_nID == 1001)
{
pCmdUI->SetCheck( 1);
}
if (pCmdUI->m_nID == 1002)
{
pCmdUI->Enable(FALSE);
}
}
BOOL CDlg::OnInitDialog()
{
CDialogEx::OnInitDialog();
// TODO: 在此添加额外的初始化
CMenu menuMain;
menuMain.CreateMenu();
CMenu menuChild;
menuChild.CreatePopupMenu();
menuChild.AppendMenu(MF_STRING, 1001, " menu1 ");
menuChild.AppendMenu(MF_STRING, 1002, " menu2 ");
menuMain.AppendMenu(MF_POPUP,(UINT)menuChild.Detach(), " menu0 ");
SetMenu(&menuMain);
menuMain.Detach();
return TRUE; // return TRUE unless you set the focus to a control
// 异常: OCX 属性页应返回 FALSE
}
// 大气象:需要在这里做特殊处理。
void CDlg::OnInitMenuPopup(CMenu* pPopupMenu, UINT nIndex, BOOL bSysMenu)
{
CDialogEx::OnInitMenuPopup(pPopupMenu, nIndex, bSysMenu);
// TODO: 在此处添加消息处理程序代码
CCmdUI state;
state.m_pMenu = pPopupMenu;
ASSERT(state.m_pOther == NULL);
ASSERT(state.m_pParentMenu == NULL);
// Determine if menu is popup in top-level menu and set m_pOther to
// it if so (m_pParentMenu == NULL indicates that it is secondary popup).
HMENU hParentMenu;
if (AfxGetThreadState()->m_hTrackingMenu == pPopupMenu->m_hMenu)
state.m_pParentMenu = pPopupMenu; // Parent == child for tracking popup.
else if ((hParentMenu = ::GetMenu(m_hWnd)) != NULL)
{
CWnd* pParent = this;
// Child windows don't have menus--need to go to the top!
if (pParent != NULL &&
(hParentMenu = ::GetMenu(pParent->m_hWnd)) != NULL)
{
int nIndexMax = ::GetMenuItemCount(hParentMenu);
for ( int nIndex = 0; nIndex < nIndexMax; nIndex++)
{
if (::GetSubMenu(hParentMenu, nIndex) == pPopupMenu->m_hMenu)
{
// When popup is found, m_pParentMenu is containing menu.
state.m_pParentMenu = CMenu::FromHandle(hParentMenu);
break;
}
}
}
}
state.m_nIndexMax = pPopupMenu->GetMenuItemCount();
for (state.m_nIndex = 0; state.m_nIndex < state.m_nIndexMax;
state.m_nIndex++)
{
state.m_nID = pPopupMenu->GetMenuItemID(state.m_nIndex);
if (state.m_nID == 0)
continue; // Menu separator or invalid cmd - ignore it.
ASSERT(state.m_pOther == NULL);
ASSERT(state.m_pMenu != NULL);
if (state.m_nID == (UINT)- 1)
{
// Possibly a popup menu, route to first item of that popup.
state.m_pSubMenu = pPopupMenu->GetSubMenu(state.m_nIndex);
if (state.m_pSubMenu == NULL ||
(state.m_nID = state.m_pSubMenu->GetMenuItemID( 0)) == 0 ||
state.m_nID == (UINT)- 1)
{
continue; // First item of popup can't be routed to.
}
state.DoUpdate( this, TRUE); // Popups are never auto disabled.
}
else
{
// Normal menu item.
// Auto enable/disable if frame window has m_bAutoMenuEnable
// set and command is _not_ a system command.
state.m_pSubMenu = NULL;
state.DoUpdate( this, FALSE);
}
// Adjust for menu deletions and additions.
UINT nCount = pPopupMenu->GetMenuItemCount();
if (nCount < state.m_nIndexMax)
{
state.m_nIndex -= (state.m_nIndexMax - nCount);
while (state.m_nIndex < nCount &&
pPopupMenu->GetMenuItemID(state.m_nIndex) == state.m_nID)
{
state.m_nIndex++;
}
}
state.m_nIndexMax = nCount;
}
}
// 大气象:注意不是这里
void CDlg::OnInitMenu(CMenu* pMenu)
{
CDialogEx::OnInitMenu(pMenu);
// TODO: 在此处添加消息处理程序代码
}
ON_WM_INITMENU()
ON_WM_INITMENUPOPUP()
// 大气象
ON_UPDATE_COMMAND_UI_RANGE( 1001, 1002,&OnMenuItemUI)
END_MESSAGE_MAP()
// 设置Check或Enable
void CDlg::OnMenuItemUI(CCmdUI *pCmdUI)
{
if (pCmdUI->m_nID == 1001)
{
pCmdUI->SetCheck( 1);
}
if (pCmdUI->m_nID == 1002)
{
pCmdUI->Enable(FALSE);
}
}
BOOL CDlg::OnInitDialog()
{
CDialogEx::OnInitDialog();
// TODO: 在此添加额外的初始化
CMenu menuMain;
menuMain.CreateMenu();
CMenu menuChild;
menuChild.CreatePopupMenu();
menuChild.AppendMenu(MF_STRING, 1001, " menu1 ");
menuChild.AppendMenu(MF_STRING, 1002, " menu2 ");
menuMain.AppendMenu(MF_POPUP,(UINT)menuChild.Detach(), " menu0 ");
SetMenu(&menuMain);
menuMain.Detach();
return TRUE; // return TRUE unless you set the focus to a control
// 异常: OCX 属性页应返回 FALSE
}
// 大气象:需要在这里做特殊处理。
void CDlg::OnInitMenuPopup(CMenu* pPopupMenu, UINT nIndex, BOOL bSysMenu)
{
CDialogEx::OnInitMenuPopup(pPopupMenu, nIndex, bSysMenu);
// TODO: 在此处添加消息处理程序代码
CCmdUI state;
state.m_pMenu = pPopupMenu;
ASSERT(state.m_pOther == NULL);
ASSERT(state.m_pParentMenu == NULL);
// Determine if menu is popup in top-level menu and set m_pOther to
// it if so (m_pParentMenu == NULL indicates that it is secondary popup).
HMENU hParentMenu;
if (AfxGetThreadState()->m_hTrackingMenu == pPopupMenu->m_hMenu)
state.m_pParentMenu = pPopupMenu; // Parent == child for tracking popup.
else if ((hParentMenu = ::GetMenu(m_hWnd)) != NULL)
{
CWnd* pParent = this;
// Child windows don't have menus--need to go to the top!
if (pParent != NULL &&
(hParentMenu = ::GetMenu(pParent->m_hWnd)) != NULL)
{
int nIndexMax = ::GetMenuItemCount(hParentMenu);
for ( int nIndex = 0; nIndex < nIndexMax; nIndex++)
{
if (::GetSubMenu(hParentMenu, nIndex) == pPopupMenu->m_hMenu)
{
// When popup is found, m_pParentMenu is containing menu.
state.m_pParentMenu = CMenu::FromHandle(hParentMenu);
break;
}
}
}
}
state.m_nIndexMax = pPopupMenu->GetMenuItemCount();
for (state.m_nIndex = 0; state.m_nIndex < state.m_nIndexMax;
state.m_nIndex++)
{
state.m_nID = pPopupMenu->GetMenuItemID(state.m_nIndex);
if (state.m_nID == 0)
continue; // Menu separator or invalid cmd - ignore it.
ASSERT(state.m_pOther == NULL);
ASSERT(state.m_pMenu != NULL);
if (state.m_nID == (UINT)- 1)
{
// Possibly a popup menu, route to first item of that popup.
state.m_pSubMenu = pPopupMenu->GetSubMenu(state.m_nIndex);
if (state.m_pSubMenu == NULL ||
(state.m_nID = state.m_pSubMenu->GetMenuItemID( 0)) == 0 ||
state.m_nID == (UINT)- 1)
{
continue; // First item of popup can't be routed to.
}
state.DoUpdate( this, TRUE); // Popups are never auto disabled.
}
else
{
// Normal menu item.
// Auto enable/disable if frame window has m_bAutoMenuEnable
// set and command is _not_ a system command.
state.m_pSubMenu = NULL;
state.DoUpdate( this, FALSE);
}
// Adjust for menu deletions and additions.
UINT nCount = pPopupMenu->GetMenuItemCount();
if (nCount < state.m_nIndexMax)
{
state.m_nIndex -= (state.m_nIndexMax - nCount);
while (state.m_nIndex < nCount &&
pPopupMenu->GetMenuItemID(state.m_nIndex) == state.m_nID)
{
state.m_nIndex++;
}
}
state.m_nIndexMax = nCount;
}
}
// 大气象:注意不是这里
void CDlg::OnInitMenu(CMenu* pMenu)
{
CDialogEx::OnInitMenu(pMenu);
// TODO: 在此处添加消息处理程序代码
}
对话框里创建的菜单,响应函数可以写在其他类。
需要源码的,留下邮箱索取。
url: http://greatverve.cnblogs.com/archive/2012/11/28/dlg-on-update-command-ui.html
参考:
http://support.microsoft.com/kb/242577/zh-cn
http://greatverve.cnblogs.com/archive/2012/11/21/mfc-dlg-menu-cmd.html
本文转自wenglabs博客园博客,原文链接:http://www.cnblogs.com/greatverve/archive/2012/11/28/dlg-on-update-command-ui.html
,如需转载请自行联系原作者