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2020-09-26 03:20:57 -05:00
// This is a part of the Active Template Library.
// Copyright (C) 1996-1998 Microsoft Corporation
// All rights reserved.
//
// This source code is only intended as a supplement to the
// Active Template Library Reference and related
// electronic documentation provided with the library.
// See these sources for detailed information regarding the
// Active Template Library product.
#ifndef __ATLFRAME_H__
#define __ATLFRAME_H__
#ifndef __cplusplus
#error ATL requires C++ compilation (use a .cpp suffix)
#endif
#ifndef __ATLWIN_H__
#error atlframe.h requires atlwin.h to be included first
#endif
#if (_ATL_VER < 0x0300)
#ifndef __ATLWIN21_H__
#error atlframe.h requires atlwin21.h to be included first when used with ATL 2.0/2.1
#endif
#endif //(_ATL_VER < 0x0300)
#include <commctrl.h>
#include <atlres.h>
namespace ATL
{
/////////////////////////////////////////////////////////////////////////////
// Forward declarations
template <class T, class TBase = CWindow, class TWinTraits = CFrameWinTraits> class CFrameWindowImpl;
#ifndef UNDER_CE
class CMDIWindow;
template <class T, class TBase = CMDIWindow, class TWinTraits = CFrameWinTraits> class CMDIFrameWindowImpl;
template <class T, class TBase = CMDIWindow, class TWinTraits = CMDIChildWinTraits> class CMDIChildWindowImpl;
#endif //!UNDER_CE
template <class T> class COwnerDraw;
class CUpdateUIBase;
template <class T> class CUpdateUI;
/////////////////////////////////////////////////////////////////////////////
// CFrameWndClassInfo - Manages frame window Windows class information
class CFrameWndClassInfo
{
public:
#ifndef UNDER_CE
WNDCLASSEX m_wc;
#else // CE specific
WNDCLASS m_wc;
#endif //!UNDER_CE
LPCTSTR m_lpszOrigName;
WNDPROC pWndProc;
#ifndef UNDER_CE
LPCTSTR m_lpszCursorID;
BOOL m_bSystemCursor;
#endif //!UNDER_CE
ATOM m_atom;
TCHAR m_szAutoName[sizeof("ATL:") + (sizeof(PVOID)*2)+1];
UINT m_uCommonResourceID;
ATOM Register(WNDPROC* pProc)
{
if (m_atom == 0)
{
::EnterCriticalSection(&_Module.m_csWindowCreate);
if(m_atom == 0)
{
HINSTANCE hInst = _Module.GetModuleInstance();
if (m_lpszOrigName != NULL)
{
ATLASSERT(pProc != NULL);
LPCTSTR lpsz = m_wc.lpszClassName;
WNDPROC proc = m_wc.lpfnWndProc;
#ifndef UNDER_CE
WNDCLASSEX wc;
wc.cbSize = sizeof(WNDCLASSEX);
if(!::GetClassInfoEx(NULL, m_lpszOrigName, &wc))
#else // CE specific
WNDCLASS wc;
if(!::GetClassInfo(NULL, m_lpszOrigName, &wc))
#endif //!UNDER_CE
{
::LeaveCriticalSection(&_Module.m_csWindowCreate);
return 0;
}
#ifndef UNDER_CE
memcpy(&m_wc, &wc, sizeof(WNDCLASSEX));
#else // CE specific
memcpy(&m_wc, &wc, sizeof(WNDCLASS));
#endif //!UNDER_CE
pWndProc = m_wc.lpfnWndProc;
m_wc.lpszClassName = lpsz;
m_wc.lpfnWndProc = proc;
}
else
{
#ifndef UNDER_CE
m_wc.hCursor = ::LoadCursor(m_bSystemCursor ? NULL : hInst,
m_lpszCursorID);
#else // CE specific
m_wc.hCursor = NULL;
#endif //!UNDER_CE
}
m_wc.hInstance = hInst;
m_wc.style &= ~CS_GLOBALCLASS; // we don't register global classes
if (m_wc.lpszClassName == NULL)
{
#ifdef _WIN64 // %p isn't available on Win2k/Win9x
wsprintf(m_szAutoName, _T("ATL:%p"), &m_wc);
#else
wsprintf(m_szAutoName, _T("ATL:%8.8X"), PtrToUlong(&m_wc));
#endif
m_wc.lpszClassName = m_szAutoName;
}
#ifndef UNDER_CE
WNDCLASSEX wcTemp;
memcpy(&wcTemp, &m_wc, sizeof(WNDCLASSEX));
m_atom = (ATOM)::GetClassInfoEx(m_wc.hInstance, m_wc.lpszClassName, &wcTemp);
#else // CE specific
WNDCLASS wcTemp;
memcpy(&wcTemp, &m_wc, sizeof(WNDCLASS));
m_atom = (ATOM)::GetClassInfo(m_wc.hInstance, m_wc.lpszClassName, &wcTemp);
#endif //!UNDER_CE
if (m_atom == 0)
{
if(m_uCommonResourceID != 0) // use it if not zero
{
m_wc.hIcon = (HICON)::LoadImage(_Module.GetResourceInstance(), MAKEINTRESOURCE(m_uCommonResourceID), IMAGE_ICON, 32, 32, LR_DEFAULTCOLOR);
#ifndef UNDER_CE
m_wc.hIconSm = (HICON)::LoadImage(_Module.GetResourceInstance(), MAKEINTRESOURCE(m_uCommonResourceID), IMAGE_ICON, 16, 16, LR_DEFAULTCOLOR);
#endif //!UNDER_CE
}
#ifndef UNDER_CE
m_atom = ::RegisterClassEx(&m_wc);
#else // CE specific
m_atom = ::RegisterClass(&m_wc);
#endif //!UNDER_CE
}
}
::LeaveCriticalSection(&_Module.m_csWindowCreate);
}
if (m_lpszOrigName != NULL)
{
ATLASSERT(pProc != NULL);
ATLASSERT(pWndProc != NULL);
*pProc = pWndProc;
}
return m_atom;
}
};
#ifndef UNDER_CE
#define DECLARE_FRAME_WND_CLASS(WndClassName, uCommonResourceID) \
static CFrameWndClassInfo& GetWndClassInfo() \
{ \
static CFrameWndClassInfo wc = \
{ \
{ sizeof(WNDCLASSEX), 0, StartWindowProc, \
0, 0, NULL, NULL, NULL, (HBRUSH)(COLOR_WINDOW + 1), NULL, WndClassName, NULL }, \
NULL, NULL, IDC_ARROW, TRUE, 0, _T(""), uCommonResourceID \
}; \
return wc; \
}
#define DECLARE_FRAME_WND_CLASS_EX(WndClassName, uCommonResourceID, style, bkgnd) \
static CFrameWndClassInfo& GetWndClassInfo() \
{ \
static CFrameWndClassInfo wc = \
{ \
{ sizeof(WNDCLASSEX), style, StartWindowProc, \
0, 0, NULL, NULL, NULL, (HBRUSH)(bkgnd + 1), NULL, WndClassName, NULL }, \
NULL, NULL, IDC_ARROW, TRUE, 0, _T(""), uCommonResourceID \
}; \
return wc; \
}
#define DECLARE_FRAME_WND_SUPERCLASS(WndClassName, OrigWndClassName, uCommonResourceID) \
static CFrameWndClassInfo& GetWndClassInfo() \
{ \
static CFrameWndClassInfo wc = \
{ \
{ sizeof(WNDCLASSEX), 0, StartWindowProc, \
0, 0, NULL, NULL, NULL, NULL, NULL, WndClassName, NULL }, \
OrigWndClassName, NULL, NULL, TRUE, 0, _T(""), uCommonResourceID \
}; \
return wc; \
}
#else // CE specific
#define DECLARE_FRAME_WND_CLASS(WndClassName, uCommonResourceID) \
static CFrameWndClassInfo& GetWndClassInfo() \
{ \
static CFrameWndClassInfo wc = \
{ \
{ 0, StartWindowProc, \
0, 0, NULL, NULL, NULL, (HBRUSH)(COLOR_WINDOW + 1), NULL, WndClassName }, \
NULL, NULL, 0, _T(""), uCommonResourceID \
}; \
return wc; \
}
#define DECLARE_FRAME_WND_CLASS_EX(WndClassName, uCommonResourceID, style, bkgnd) \
static CFrameWndClassInfo& GetWndClassInfo() \
{ \
static CFrameWndClassInfo wc = \
{ \
{ style, StartWindowProc, \
0, 0, NULL, NULL, NULL, (HBRUSH)(bkgnd + 1), NULL, WndClassName }, \
NULL, NULL, 0, _T(""), uCommonResourceID \
}; \
return wc; \
}
#define DECLARE_FRAME_WND_SUPERCLASS(WndClassName, OrigWndClassName, uCommonResourceID) \
static CFrameWndClassInfo& GetWndClassInfo() \
{ \
static CFrameWndClassInfo wc = \
{ \
{ NULL, StartWindowProc, \
0, 0, NULL, NULL, NULL, NULL, NULL, WndClassName }, \
OrigWndClassName, NULL, 0, _T(""), uCommonResourceID \
}; \
return wc; \
}
#endif //!UNDER_CE
// Command Chaining Macros
#define CHAIN_COMMANDS(theChainClass) \
{ \
if(uMsg == WM_COMMAND && theChainClass::ProcessWindowMessage(hWnd, uMsg, wParam, lParam, lResult)) \
return TRUE; \
}
#define CHAIN_COMMANDS_MEMBER(theChainMember) \
{ \
if(uMsg == WM_COMMAND && theChainMember.ProcessWindowMessage(hWnd, uMsg, wParam, lParam, lResult)) \
return TRUE; \
}
#define CHAIN_COMMANDS_ALT(theChainClass, msgMapID) \
{ \
if(uMsg == WM_COMMAND && theChainClass::ProcessWindowMessage(hWnd, uMsg, wParam, lParam, lResult, msgMapID)) \
return TRUE; \
}
#define CHAIN_COMMANDS_ALT_MEMBER(theChainMember, msgMapID) \
{ \
if(uMsg == WM_COMMAND && theChainMember.ProcessWindowMessage(hWnd, uMsg, wParam, lParam, lResult, msgMapID)) \
return TRUE; \
}
// Client window command chaining macro
#define CHAIN_CLIENT_COMMANDS() \
if(uMsg == WM_COMMAND && m_hWndClient != NULL) \
::SendMessage(m_hWndClient, uMsg, wParam, lParam);
/////////////////////////////////////////////////////////////////////////////
// CFrameWindowImpl
template <class TBase = CWindow, class TWinTraits = CFrameWinTraits>
class ATL_NO_VTABLE CFrameWindowImplBase : public CWindowImplBaseT< TBase, TWinTraits >
{
public:
HWND m_hWndToolBar;
HWND m_hWndStatusBar;
HWND m_hWndClient;
HACCEL m_hAccel;
CFrameWindowImplBase() : m_hWndToolBar(NULL), m_hWndStatusBar(NULL), m_hWndClient(NULL), m_hAccel(NULL)
{
}
DECLARE_FRAME_WND_CLASS(NULL, 0)
struct _AtlToolBarData
{
WORD wVersion;
WORD wWidth;
WORD wHeight;
WORD wItemCount;
//WORD aItems[wItemCount]
WORD* items()
{ return (WORD*)(this+1); }
};
static HWND CreateSimpleToolBarCtrl(HWND hWndParent, UINT nResourceID,
BOOL bInitialSeparator = FALSE,
DWORD dwStyle = WS_CHILD | WS_VISIBLE | WS_CLIPCHILDREN | WS_CLIPSIBLINGS | TBSTYLE_TOOLTIPS,
UINT nID = ATL_IDW_TOOLBAR)
{
HINSTANCE hInst = _Module.GetResourceInstance();
HRSRC hRsrc = ::FindResource(hInst, MAKEINTRESOURCE(nResourceID), RT_TOOLBAR);
if (hRsrc == NULL)
return NULL;
HGLOBAL hGlobal = ::LoadResource(hInst, hRsrc);
if (hGlobal == NULL)
return NULL;
_AtlToolBarData* pData = (_AtlToolBarData*)::LockResource(hGlobal);
if (pData == NULL)
return NULL;
ATLASSERT(pData->wVersion == 1);
WORD* pItems = pData->items();
int nItems = pData->wItemCount + (bInitialSeparator ? 1 : 0);
TBBUTTON* pTBBtn = (TBBUTTON*)_alloca(nItems * sizeof(TBBUTTON));
// set initial separator (half width)
if(bInitialSeparator)
{
pTBBtn[0].iBitmap = 4;
pTBBtn[0].idCommand = 0;
pTBBtn[0].fsState = 0;
pTBBtn[0].fsStyle = TBSTYLE_SEP;
pTBBtn[0].dwData = 0;
pTBBtn[0].iString = 0;
}
int nBmp = 0;
for(int i = 0, j = bInitialSeparator ? 1 : 0; i < pData->wItemCount; i++, j++)
{
if(pItems[i] != 0)
{
pTBBtn[j].iBitmap = nBmp++;
pTBBtn[j].idCommand = pItems[i];
pTBBtn[j].fsState = TBSTATE_ENABLED;
pTBBtn[j].fsStyle = TBSTYLE_BUTTON;
pTBBtn[j].dwData = 0;
pTBBtn[j].iString = 0;
}
else
{
pTBBtn[j].iBitmap = 8;
pTBBtn[j].idCommand = 0;
pTBBtn[j].fsState = 0;
pTBBtn[j].fsStyle = TBSTYLE_SEP;
pTBBtn[j].dwData = 0;
pTBBtn[j].iString = 0;
}
}
HWND hWnd = ::CreateWindowEx(0, TOOLBARCLASSNAME, NULL, dwStyle, 0,0,100,100,
hWndParent, (HMENU)nID, _Module.GetModuleInstance(), NULL);
::SendMessage(hWnd, TB_BUTTONSTRUCTSIZE, sizeof(TBBUTTON), 0L);
TBADDBITMAP tbab;
tbab.hInst = hInst;
tbab.nID = nResourceID;
::SendMessage(hWnd, TB_ADDBITMAP, nBmp, (LPARAM)&tbab);
::SendMessage(hWnd, TB_ADDBUTTONS, nItems, (LPARAM)pTBBtn);
::SendMessage(hWnd, TB_SETBITMAPSIZE, 0, MAKELONG(pData->wWidth, pData->wHeight));
::SendMessage(hWnd, TB_SETBUTTONSIZE, 0, MAKELONG(pData->wWidth + 7, pData->wHeight + 7));
return hWnd;
}
BOOL CreateSimpleStatusBar(LPCTSTR lpstrText, DWORD dwStyle = WS_CHILD | WS_VISIBLE | WS_CLIPCHILDREN | WS_CLIPSIBLINGS | SBARS_SIZEGRIP, UINT nID = ATL_IDW_STATUS_BAR)
{
ATLASSERT(!::IsWindow(m_hWndStatusBar));
m_hWndStatusBar = ::CreateStatusWindow(dwStyle, lpstrText, m_hWnd, nID);
return (m_hWndStatusBar != NULL);
}
BOOL CreateSimpleStatusBar(UINT nTextID = ATL_IDS_IDLEMESSAGE, DWORD dwStyle = WS_CHILD | WS_VISIBLE | WS_CLIPCHILDREN | WS_CLIPSIBLINGS | SBARS_SIZEGRIP, UINT nID = ATL_IDW_STATUS_BAR)
{
TCHAR szText[128]; // max text lentgth is 127 for status bars
szText[0] = 0;
::LoadString(_Module.GetResourceInstance(), nTextID, szText, 127);
return CreateSimpleStatusBar(szText, dwStyle, nID);
}
void UpdateLayout()
{
RECT rect;
GetClientRect(&rect);
// resize toolbar
if(m_hWndToolBar != NULL && ((DWORD)::GetWindowLong(m_hWndToolBar, GWL_STYLE) & WS_VISIBLE))
{
::SendMessage(m_hWndToolBar, WM_SIZE, 0, 0);
RECT rectTB;
::GetWindowRect(m_hWndToolBar, &rectTB);
rect.top += rectTB.bottom - rectTB.top;
}
// resize status bar
if(m_hWndToolBar != NULL && ((DWORD)::GetWindowLong(m_hWndStatusBar, GWL_STYLE) & WS_VISIBLE))
{
::SendMessage(m_hWndStatusBar, WM_SIZE, 0, 0);
RECT rectSB;
::GetWindowRect(m_hWndStatusBar, &rectSB);
rect.bottom -= rectSB.bottom - rectSB.top;
}
// resize client window
if(m_hWndClient != NULL)
::SetWindowPos(m_hWndClient, NULL, rect.left, rect.top,
rect.right - rect.left, rect.bottom - rect.top,
SWP_NOZORDER | SWP_NOACTIVATE);
}
BOOL PreTranslateMessage(MSG* pMsg)
{
if(m_hAccel != NULL && ::TranslateAccelerator(m_hWnd, m_hAccel, pMsg))
return TRUE;
return FALSE;
}
typedef CFrameWindowImplBase< TBase, TWinTraits > thisClass;
BEGIN_MSG_MAP(thisClass)
MESSAGE_HANDLER(WM_SIZE, OnSize)
MESSAGE_HANDLER(WM_ERASEBKGND, OnEraseBackground)
#ifndef UNDER_CE
MESSAGE_HANDLER(WM_MENUSELECT, OnMenuSelect)
#endif //!UNDER_CE
MESSAGE_HANDLER(WM_SETFOCUS, OnSetFocus)
MESSAGE_HANDLER(WM_DESTROY, OnDestroy)
NOTIFY_CODE_HANDLER(TTN_NEEDTEXT, OnToolTipText)
END_MSG_MAP()
LRESULT OnSize(UINT /*uMsg*/, WPARAM wParam, LPARAM /*lParam*/, BOOL& bHandled)
{
if(wParam != SIZE_MINIMIZED)
UpdateLayout();
bHandled = FALSE;
return 1;
}
LRESULT OnEraseBackground(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& bHandled)
{
if(m_hWndClient != NULL) // view will paint itself instead
return 1;
bHandled = FALSE;
return 0;
}
#ifndef UNDER_CE
LRESULT OnMenuSelect(UINT /*uMsg*/, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
bHandled = FALSE;
if(m_hWndStatusBar == NULL)
return 1;
WORD wFlags = HIWORD(wParam);
if(wFlags == 0xFFFF && lParam == NULL) // menu closing
::SendMessage(m_hWndStatusBar, SB_SIMPLE, FALSE, 0L);
else
{
TCHAR szBuff[256];
szBuff[0] = 0;
if(!(wFlags & MF_POPUP))
{
WORD wID = LOWORD(wParam);
// check for special cases
if(wID >= 0xF000 && wID < 0xF1F0) // system menu IDs
wID = (WORD)(((wID - 0xF000) >> 4) + ATL_IDS_SCFIRST);
else if(wID >= ID_FILE_MRU_FIRST && wID <= ID_FILE_MRU_LAST) // MRU items
wID = ATL_IDS_MRU_FILE;
else if(wID >= ATL_IDM_FIRST_MDICHILD) // MDI child windows
wID = ATL_IDS_MDICHILD;
if(::LoadString(_Module.GetResourceInstance(), wID, szBuff, 255))
{
for(int i = 0; szBuff[i] != 0 && i < 256; i++)
{
if(szBuff[i] == _T('\n'))
{
szBuff[i] = 0;
break;
}
}
}
}
::SendMessage(m_hWndStatusBar, SB_SIMPLE, TRUE, 0L);
::SendMessage(m_hWndStatusBar, SB_SETTEXT, (255 | SBT_NOBORDERS), (LPARAM)szBuff);
}
return 1;
}
#endif //!UNDER_CE
LRESULT OnSetFocus(UINT, WPARAM, LPARAM, BOOL& bHandled)
{
if(m_hWndClient != NULL && ::IsWindowVisible(m_hWndClient))
::SetFocus(m_hWndClient);
bHandled = FALSE;
return 1;
}
LRESULT OnDestroy(UINT, WPARAM, LPARAM, BOOL& bHandled)
{
if(!(GetStyle() & (WS_CHILD | WS_POPUP)))
::PostQuitMessage(1);
bHandled = FALSE;
return 1;
}
LRESULT OnToolTipText(int idCtrl, LPNMHDR pnmh, BOOL& /*bHandled*/)
{
TOOLTIPTEXT* pTTT = (TOOLTIPTEXT*)pnmh;
pTTT->szText[0] = 0;
if((idCtrl != 0) && !(pTTT->uFlags & TTF_IDISHWND))
{
TCHAR szBuff[256];
szBuff[0] = 0;
if(::LoadString(_Module.GetResourceInstance(), idCtrl, szBuff, 255))
{
for(int i = 0; szBuff[i] != 0 && i < 256; i++)
{
if(szBuff[i] == _T('\n'))
{
lstrcpyn(pTTT->szText, &szBuff[i+1], sizeof(pTTT->szText)/sizeof(pTTT->szText[0]));
break;
}
}
}
}
return 0;
}
};
template <class T, class TBase = CWindow, class TWinTraits = CFrameWinTraits>
class ATL_NO_VTABLE CFrameWindowImpl : public CFrameWindowImplBase< TBase, TWinTraits >
{
public:
HWND Create(HWND hWndParent = NULL, RECT& Rect = CWindow::rcDefault, LPCTSTR szWindowName = NULL,
DWORD dwStyle = 0, DWORD dwExStyle = 0,
HMENU hMenu = NULL, LPVOID lpCreateParam = NULL)
{
T* pT = static_cast<T*>(this);
return pT->Create(hWndParent, &Rect, szWindowName, dwStyle, dwExStyle, hMenu, lpCreateParam);
}
HWND Create(HWND hWndParent = NULL, LPRECT lpRect = NULL, LPCTSTR szWindowName = NULL,
DWORD dwStyle = 0, DWORD dwExStyle = 0,
HMENU hMenu = NULL, LPVOID lpCreateParam = NULL)
{
ATOM atom = T::GetWndClassInfo().Register(&m_pfnSuperWindowProc);
static RECT rect = { CW_USEDEFAULT, CW_USEDEFAULT, 0, 0 };
if(lpRect == NULL)
lpRect = &rect;
dwStyle = T::GetWndStyle(dwStyle);
dwExStyle = T::GetWndExStyle(dwExStyle);
return CWindowImplBaseT< TBase, TWinTraits >::Create(hWndParent, *lpRect, szWindowName,
dwStyle, dwExStyle, (UINT)hMenu, atom, lpCreateParam);
}
HWND CreateEx(HWND hWndParent = NULL, LPRECT lpRect = NULL, DWORD dwStyle = 0, DWORD dwExStyle = 0, LPVOID lpCreateParam = NULL)
{
TCHAR szWindowName[256];
szWindowName[0] = 0;
::LoadString(_Module.GetResourceInstance(), T::GetWndClassInfo().m_uCommonResourceID, szWindowName, 255);
HMENU hMenu = ::LoadMenu(_Module.GetResourceInstance(), MAKEINTRESOURCE(T::GetWndClassInfo().m_uCommonResourceID));
T* pT = static_cast<T*>(this);
HWND hWnd = pT->Create(hWndParent, lpRect, szWindowName, dwStyle, dwExStyle, hMenu, lpCreateParam);
if(hWnd != NULL)
m_hAccel = ::LoadAccelerators(_Module.GetResourceInstance(), MAKEINTRESOURCE(T::GetWndClassInfo().m_uCommonResourceID));
return hWnd;
}
BOOL CreateSimpleToolBar(UINT nResourceID = 0, DWORD dwStyle = WS_CHILD | WS_VISIBLE | WS_CLIPCHILDREN | WS_CLIPSIBLINGS | TBSTYLE_TOOLTIPS, UINT nID = ATL_IDW_TOOLBAR)
{
ATLASSERT(!::IsWindow(m_hWndToolBar));
if(nResourceID == 0)
nResourceID = T::GetWndClassInfo().m_uCommonResourceID;
m_hWndToolBar = T::CreateSimpleToolBarCtrl(m_hWnd, nResourceID, TRUE, dwStyle, nID);
return (m_hWndToolBar != NULL);
}
};
/////////////////////////////////////////////////////////////////////////////
// CMDIWindow
#ifndef UNDER_CE
class CMDIWindow : public CWindow
{
public:
HWND m_hWndMDIClient;
HMENU m_hMenu;
// Constructors
CMDIWindow(HWND hWnd = NULL) : CWindow(hWnd), m_hWndMDIClient(NULL), m_hMenu(NULL) { }
CMDIWindow& operator=(HWND hWnd)
{
m_hWnd = hWnd;
return *this;
}
// Operations
HWND MDIGetActive(BOOL* lpbMaximized = NULL)
{
ATLASSERT(::IsWindow(m_hWndMDIClient));
return (HWND)::SendMessage(m_hWndMDIClient, WM_MDIGETACTIVE, 0, (LPARAM)lpbMaximized);
}
void MDIActivate(HWND hWndChildToActivate)
{
ATLASSERT(::IsWindow(m_hWndMDIClient));
ATLASSERT(::IsWindow(hWndChildToActivate));
::SendMessage(m_hWndMDIClient, WM_MDIACTIVATE, (WPARAM)hWndChildToActivate, 0);
}
void MDINext(HWND hWndChild, BOOL bPrevious = FALSE)
{
ATLASSERT(::IsWindow(m_hWndMDIClient));
ATLASSERT(hWndChild == NULL || ::IsWindow(hWndChild));
::SendMessage(m_hWndMDIClient, WM_MDINEXT, (WPARAM)hWndChild, (LPARAM)bPrevious);
}
void MDIMaximize(HWND hWndChildToMaximize)
{
ATLASSERT(::IsWindow(m_hWndMDIClient));
ATLASSERT(::IsWindow(hWndChildToMaximize));
::SendMessage(m_hWndMDIClient, WM_MDIMAXIMIZE, (WPARAM)hWndChildToMaximize, 0);
}
void MDIRestore(HWND hWndChildToRestore)
{
ATLASSERT(::IsWindow(m_hWndMDIClient));
ATLASSERT(::IsWindow(hWndChildToRestore));
::SendMessage(m_hWndMDIClient, WM_MDIICONARRANGE, (WPARAM)hWndChildToRestore, 0);
}
void MDIDestroy(HWND hWndChildToDestroy)
{
ATLASSERT(::IsWindow(m_hWndMDIClient));
ATLASSERT(::IsWindow(hWndChildToDestroy));
::SendMessage(m_hWndMDIClient, WM_MDIDESTROY, (WPARAM)hWndChildToDestroy, 0);
}
BOOL MDICascade(UINT uFlags = 0)
{
ATLASSERT(::IsWindow(m_hWndMDIClient));
return (BOOL)::SendMessage(m_hWndMDIClient, WM_MDICASCADE, (WPARAM)uFlags, 0);
}
BOOL MDITile(UINT uFlags = MDITILE_HORIZONTAL)
{
ATLASSERT(::IsWindow(m_hWndMDIClient));
return (BOOL)::SendMessage(m_hWndMDIClient, WM_MDITILE, (WPARAM)uFlags, 0);
}
void MDIIconArrange()
{
ATLASSERT(::IsWindow(m_hWndMDIClient));
::SendMessage(m_hWndMDIClient, WM_MDIICONARRANGE, 0, 0);
}
HMENU MDISetMenu(HMENU hMenuFrame, HMENU hMenuWindow)
{
ATLASSERT(::IsWindow(m_hWndMDIClient));
return (HMENU)::SendMessage(m_hWndMDIClient, WM_MDISETMENU, (WPARAM)hMenuFrame, (LPARAM)hMenuWindow);
}
HMENU MDIRefreshMenu()
{
ATLASSERT(::IsWindow(m_hWndMDIClient));
return (HMENU)::SendMessage(m_hWndMDIClient, WM_MDIREFRESHMENU, 0, 0);
}
// Additional operations
static HMENU GetStandardWindowMenu(HMENU hMenu)
{
int nCount = ::GetMenuItemCount(hMenu);
if(nCount == -1)
return NULL;
int nLen = ::GetMenuString(hMenu, nCount - 2, NULL, 0, MF_BYPOSITION);
if(nLen == 0)
return NULL;
LPTSTR lpszText = (LPTSTR)_alloca((nLen + 1) * sizeof(TCHAR));
if(::GetMenuString(hMenu, nCount - 2, lpszText, nLen + 1, MF_BYPOSITION) != nLen)
return NULL;
if(lstrcmp(lpszText, _T("&Window")))
return NULL;
return ::GetSubMenu(hMenu, nCount - 2);
}
void SetMDIFrameMenu()
{
HMENU hWindowMenu = GetStandardWindowMenu(m_hMenu);
MDISetMenu(m_hMenu, hWindowMenu);
MDIRefreshMenu();
::DrawMenuBar(GetMDIFrame());
}
HWND GetMDIFrame()
{
return ::GetParent(m_hWndMDIClient);
}
};
/////////////////////////////////////////////////////////////////////////////
// CMDIFrameWindowImpl
// MDI child command chaining macro
#define CHAIN_MDI_CHILD_COMMANDS() \
if(uMsg == WM_COMMAND) \
{ \
HWND hWndChild = MDIGetActive(); \
if(hWndChild != NULL) \
::SendMessage(hWndChild, uMsg, wParam, lParam); \
}
template <class T, class TBase = CMDIWindow, class TWinTraits = CFrameWinTraits>
class ATL_NO_VTABLE CMDIFrameWindowImpl : public CFrameWindowImplBase<TBase, TWinTraits >
{
public:
HWND Create(HWND hWndParent = NULL, LPRECT lpRect = NULL, LPCTSTR szWindowName = NULL,
DWORD dwStyle = 0, DWORD dwExStyle = 0,
HMENU hMenu = NULL, LPVOID lpCreateParam = NULL)
{
m_hMenu = hMenu;
ATOM atom = T::GetWndClassInfo().Register(&m_pfnSuperWindowProc);
static RECT rect = { CW_USEDEFAULT, CW_USEDEFAULT, 0, 0 };
if(lpRect == NULL)
lpRect = &rect;
dwStyle = T::GetWndStyle(dwStyle);
dwExStyle = T::GetWndExStyle(dwExStyle);
return CFrameWindowImplBase<TBase, TWinTraits >::Create(hWndParent, *lpRect, szWindowName, dwStyle, dwExStyle,
(UINT)hMenu, atom, lpCreateParam);
}
HWND CreateEx(HWND hWndParent = NULL, LPRECT lpRect = NULL, DWORD dwStyle = 0, DWORD dwExStyle = 0, LPVOID lpCreateParam = NULL)
{
TCHAR szWindowName[256];
szWindowName[0] = 0;
::LoadString(_Module.GetResourceInstance(), T::GetWndClassInfo().m_uCommonResourceID, szWindowName, 255);
HMENU hMenu = ::LoadMenu(_Module.GetResourceInstance(), MAKEINTRESOURCE(T::GetWndClassInfo().m_uCommonResourceID));
T* pT = static_cast<T*>(this);
HWND hWnd = pT->Create(hWndParent, lpRect, szWindowName, dwStyle, dwExStyle, hMenu, lpCreateParam);
if(hWnd != NULL)
m_hAccel = ::LoadAccelerators(_Module.GetResourceInstance(), MAKEINTRESOURCE(T::GetWndClassInfo().m_uCommonResourceID));
return hWnd;
}
BOOL CreateSimpleToolBar(UINT nResourceID = 0, DWORD dwStyle = WS_CHILD | WS_VISIBLE | WS_CLIPCHILDREN | WS_CLIPSIBLINGS | TBSTYLE_TOOLTIPS, UINT nID = ATL_IDW_TOOLBAR)
{
ATLASSERT(!::IsWindow(m_hWndToolBar));
if(nResourceID == 0)
nResourceID = T::GetWndClassInfo().m_uCommonResourceID;
m_hWndToolBar = T::CreateSimpleToolBarCtrl(m_hWnd, nResourceID, TRUE, dwStyle, nID);
return (m_hWndToolBar != NULL);
}
virtual WNDPROC GetWindowProc()
{
return MDIFrameWindowProc;
}
static LRESULT CALLBACK MDIFrameWindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
CMDIFrameWindowImpl< T, TBase, TWinTraits >* pThis = (CMDIFrameWindowImpl< T, TBase, TWinTraits >*)hWnd;
#if (_ATL_VER >= 0x0300)
// set a ptr to this message and save the old value
MSG msg = { pThis->m_hWnd, uMsg, wParam, lParam, 0, { 0, 0 } };
const MSG* pOldMsg = pThis->m_pCurrentMsg;
pThis->m_pCurrentMsg = &msg;
#endif //(_ATL_VER >= 0x0300)
// pass to the message map to process
LRESULT lRes;
BOOL bRet = pThis->ProcessWindowMessage(pThis->m_hWnd, uMsg, wParam, lParam, lRes, 0);
#if (_ATL_VER >= 0x0300)
// restore saved value for the current message
ATLASSERT(pThis->m_pCurrentMsg == &msg);
pThis->m_pCurrentMsg = pOldMsg;
#endif //(_ATL_VER >= 0x0300)
// do the default processing if message was not handled
if(!bRet)
{
if(uMsg != WM_NCDESTROY)
lRes = pThis->DefWindowProc(uMsg, wParam, lParam);
else
{
// unsubclass, if needed
LONG_PTR pfnWndProc = ::GetWindowLongPtr(pThis->m_hWnd, GWLP_WNDPROC);
lRes = pThis->DefWindowProc(uMsg, wParam, lParam);
if(pThis->m_pfnSuperWindowProc != ::DefWindowProc && ::GetWindowLongPtr(pThis->m_hWnd, GWLP_WNDPROC) == pfnWndProc)
::SetWindowLongPtr(pThis->m_hWnd, GWLP_WNDPROC, (LONG_PTR)pThis->m_pfnSuperWindowProc);
// clear out window handle
HWND hWnd = pThis->m_hWnd;
pThis->m_hWnd = NULL;
// clean up after window is destroyed
pThis->OnFinalMessage(hWnd);
}
}
return lRes;
}
#if (_ATL_VER >= 0x0300)
// Overriden to call DefWindowProc which uses DefFrameProc
LRESULT DefWindowProc()
{
const MSG* pMsg = m_pCurrentMsg;
LRESULT lRes = 0;
if (pMsg != NULL)
lRes = DefWindowProc(pMsg->message, pMsg->wParam, pMsg->lParam);
return lRes;
}
#endif //(_ATL_VER >= 0x0300)
LRESULT DefWindowProc(UINT uMsg, WPARAM wParam, LPARAM lParam)
{
return ::DefFrameProc(m_hWnd, m_hWndClient, uMsg, wParam, lParam);
}
BOOL PreTranslateMessage(MSG* pMsg)
{
if(CFrameWindowImplBase<TBase, TWinTraits>::PreTranslateMessage(pMsg))
return TRUE;
return ::TranslateMDISysAccel(m_hWndClient, pMsg);
}
HWND CreateMDIClient(HMENU hWindowMenu = NULL, UINT nID = ATL_IDW_CLIENT, UINT nFirstChildID = ATL_IDM_FIRST_MDICHILD)
{
DWORD dwStyle = WS_VISIBLE | WS_CHILD | WS_CLIPCHILDREN | WS_CLIPSIBLINGS | MDIS_ALLCHILDSTYLES;
DWORD dwExStyle = WS_EX_CLIENTEDGE;
CLIENTCREATESTRUCT ccs;
ccs.hWindowMenu = hWindowMenu;
ccs.idFirstChild = nFirstChildID;
if(GetStyle() & (WS_HSCROLL | WS_VSCROLL))
{
// parent MDI frame's scroll styles move to the MDICLIENT
dwStyle |= (GetStyle() & (WS_HSCROLL | WS_VSCROLL));
// fast way to turn off the scrollbar bits (without a resize)
ModifyStyle(WS_HSCROLL | WS_VSCROLL, 0, SWP_NOREDRAW | SWP_FRAMECHANGED);
}
// Create MDICLIENT window
m_hWndClient = ::CreateWindowEx(dwExStyle, _T("MDIClient"), NULL,
dwStyle, 0, 0, 1, 1, m_hWnd, (HMENU)nID,
_Module.GetModuleInstance(), (LPVOID)&ccs);
if (m_hWndClient == NULL)
{
ATLTRACE2(atlTraceWindowing, 0, _T("MDI Frame failed to create MDICLIENT.\n"));
return NULL;
}
// Move it to the top of z-order
::BringWindowToTop(m_hWndClient);
// set as MDI client window
m_hWndMDIClient = m_hWndClient;
// update to proper size
T* pT = static_cast<T*>(this);
pT->UpdateLayout();
return m_hWndClient;
}
typedef CMDIFrameWindowImpl< T, TBase, TWinTraits > thisClass;
typedef CFrameWindowImplBase<TBase, TWinTraits > baseClass;
BEGIN_MSG_MAP(thisClass)
MESSAGE_HANDLER(WM_SIZE, OnSize)
MESSAGE_HANDLER(WM_SETFOCUS, OnSetFocus)
MESSAGE_HANDLER(WM_MDISETMENU, OnMDISetMenu)
CHAIN_MSG_MAP(baseClass)
END_MSG_MAP()
LRESULT OnSize(UINT /*uMsg*/, WPARAM wParam, LPARAM /*lParam*/, BOOL& /*bHandled*/)
{
if(wParam != SIZE_MINIMIZED)
{
T* pT = static_cast<T*>(this);
pT->UpdateLayout();
}
// message must be handled, otherwise DefFrameProc would resize the client again
return 0;
}
LRESULT OnSetFocus(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& /*bHandled*/)
{
// don't allow CFrameWindowImplBase to handle this one
return DefWindowProc(uMsg, wParam, lParam);
}
LRESULT OnMDISetMenu(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
{
SetMDIFrameMenu();
return 0;
}
};
/////////////////////////////////////////////////////////////////////////////
// CMDIChildWindowImpl
template <class T, class TBase = CMDIWindow, class TWinTraits = CMDIChildWinTraits>
class ATL_NO_VTABLE CMDIChildWindowImpl : public CFrameWindowImplBase<TBase, TWinTraits >
{
public:
HWND Create(HWND hWndParent, LPRECT lpRect = NULL, LPCTSTR szWindowName = NULL,
DWORD dwStyle = 0, DWORD dwExStyle = 0,
UINT nMenuID = 0, LPVOID lpCreateParam = NULL)
{
ATOM atom = T::GetWndClassInfo().Register(&m_pfnSuperWindowProc);
static RECT rect = { CW_USEDEFAULT, CW_USEDEFAULT, 0, 0 };
if(lpRect == NULL)
lpRect = &rect;
if(nMenuID != 0)
m_hMenu = ::LoadMenu(_Module.GetResourceInstance(), MAKEINTRESOURCE(nMenuID));
dwStyle = T::GetWndStyle(dwStyle);
dwExStyle = T::GetWndExStyle(dwExStyle);
dwExStyle |= WS_EX_MDICHILD; // force this one
m_pfnSuperWindowProc = ::DefMDIChildProc;
m_hWndMDIClient = hWndParent;
ATLASSERT(::IsWindow(m_hWndMDIClient));
HWND hWnd = CFrameWindowImplBase<TBase, TWinTraits >::Create(hWndParent, *lpRect, szWindowName, dwStyle, dwExStyle,
0, atom, lpCreateParam);
if(hWnd != NULL && ::IsWindowVisible(m_hWnd) && !::IsChild(hWnd, ::GetFocus()))
::SetFocus(hWnd);
return hWnd;
}
HWND CreateEx(HWND hWndParent, LPRECT lpRect = NULL, LPCTSTR lpcstrWindowName = NULL, DWORD dwStyle = 0, DWORD dwExStyle = 0, LPVOID lpCreateParam = NULL)
{
TCHAR szWindowName[256];
szWindowName[0] = 0;
if(lpcstrWindowName == NULL)
{
::LoadString(_Module.GetResourceInstance(), T::GetWndClassInfo().m_uCommonResourceID, szWindowName, 255);
lpcstrWindowName = szWindowName;
}
T* pT = static_cast<T*>(this);
HWND hWnd = pT->Create(hWndParent, lpRect, lpcstrWindowName, dwStyle, dwExStyle, T::GetWndClassInfo().m_uCommonResourceID, lpCreateParam);
if(hWnd != NULL)
m_hAccel = ::LoadAccelerators(_Module.GetResourceInstance(), MAKEINTRESOURCE(T::GetWndClassInfo().m_uCommonResourceID));
return hWnd;
}
BOOL CreateSimpleToolBar(UINT nResourceID = 0, DWORD dwStyle = WS_CHILD | WS_VISIBLE | WS_CLIPCHILDREN | WS_CLIPSIBLINGS | TBSTYLE_TOOLTIPS, UINT nID = ATL_IDW_TOOLBAR)
{
ATLASSERT(!::IsWindow(m_hWndToolBar));
if(nResourceID == 0)
nResourceID = T::GetWndClassInfo().m_uCommonResourceID;
m_hWndToolBar = T::CreateSimpleToolBarCtrl(m_hWnd, nResourceID, TRUE, dwStyle, nID);
return (m_hWndToolBar != NULL);
}
BOOL UpdateClientEdge(LPRECT lpRect = NULL)
{
// only adjust for active MDI child window
HWND hWndChild = MDIGetActive();
if(hWndChild != NULL && hWndChild != m_hWnd)
return FALSE;
// need to adjust the client edge style as max/restore happens
DWORD dwStyle = ::GetWindowLong(m_hWndMDIClient, GWL_EXSTYLE);
DWORD dwNewStyle = dwStyle;
if(hWndChild != NULL && !(GetExStyle() & WS_EX_CLIENTEDGE) &&
(GetStyle() & WS_MAXIMIZE))
dwNewStyle &= ~(WS_EX_CLIENTEDGE);
else
dwNewStyle |= WS_EX_CLIENTEDGE;
if(dwStyle != dwNewStyle)
{
// SetWindowPos will not move invalid bits
::RedrawWindow(m_hWndMDIClient, NULL, NULL,
RDW_INVALIDATE | RDW_ALLCHILDREN);
// remove/add WS_EX_CLIENTEDGE to MDI client area
::SetWindowLong(m_hWndMDIClient, GWL_EXSTYLE, dwNewStyle);
::SetWindowPos(m_hWndMDIClient, NULL, 0, 0, 0, 0,
SWP_FRAMECHANGED | SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE |
SWP_NOZORDER | SWP_NOCOPYBITS);
// return new client area
if (lpRect != NULL)
::GetClientRect(m_hWndMDIClient, lpRect);
return TRUE;
}
return FALSE;
}
typedef CMDIChildWindowImpl< T, TBase, TWinTraits > thisClass;
typedef CFrameWindowImplBase<TBase, TWinTraits > baseClass;
BEGIN_MSG_MAP(thisClass)
MESSAGE_HANDLER(WM_SIZE, OnSize)
MESSAGE_HANDLER(WM_WINDOWPOSCHANGING, OnWindowPosChanging)
MESSAGE_HANDLER(WM_MENUSELECT, OnMenuSelect)
MESSAGE_HANDLER(WM_MDIACTIVATE, OnMDIActivate)
MESSAGE_HANDLER(WM_DESTROY, OnDestroy)
CHAIN_MSG_MAP(baseClass)
END_MSG_MAP()
LRESULT OnSize(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
DefWindowProc(uMsg, wParam, lParam); // needed for MDI children
CFrameWindowImplBase<TBase, TWinTraits >::OnSize(uMsg, wParam, lParam, bHandled);
bHandled = TRUE;
return 0;
}
LRESULT OnWindowPosChanging(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM lParam, BOOL& bHandled)
{
// update MDI client edge and adjust MDI child rect
LPWINDOWPOS lpWndPos = (LPWINDOWPOS)lParam;
if(!(lpWndPos->flags & SWP_NOSIZE))
{
CWindow wnd(m_hWndMDIClient);
RECT rectClient;
if(UpdateClientEdge(&rectClient) && (GetStyle() & WS_MAXIMIZE))
{
::AdjustWindowRectEx(&rectClient, GetStyle(), FALSE, GetExStyle());
lpWndPos->x = rectClient.left;
lpWndPos->y = rectClient.top;
lpWndPos->cx = rectClient.right - rectClient.left;
lpWndPos->cy = rectClient.bottom - rectClient.top;
}
}
bHandled = FALSE;
return 1;
}
LRESULT OnMenuSelect(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& /*bHandled*/)
{
return ::SendMessage(GetMDIFrame(), uMsg, wParam, lParam);
}
LRESULT OnMDIActivate(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM lParam, BOOL& bHandled)
{
if((HWND)lParam == m_hWnd && m_hMenu != NULL)
SetMDIFrameMenu();
else if((HWND)lParam == NULL)
::SendMessage(GetMDIFrame(), WM_MDISETMENU, 0, 0);
bHandled = FALSE;
return 1;
}
LRESULT OnDestroy(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& bHandled)
{
UpdateClientEdge();
bHandled = FALSE;
return 1;
}
};
#endif //!UNDER_CE
/////////////////////////////////////////////////////////////////////////////
// COwnerDraw - MI class for owner-draw support
template <class T>
class COwnerDraw
{
public:
BEGIN_MSG_MAP(COwnerDraw< T >)
MESSAGE_HANDLER(WM_DRAWITEM, OnDrawItem)
MESSAGE_HANDLER(WM_MEASUREITEM, OnMeasureItem)
MESSAGE_HANDLER(WM_COMPAREITEM, OnCompareItem)
MESSAGE_HANDLER(WM_DELETEITEM, OnDeleteItem)
ALT_MSG_MAP(1)
MESSAGE_HANDLER(OCM_DRAWITEM, OnDrawItem)
MESSAGE_HANDLER(OCM_MEASUREITEM, OnMeasureItem)
MESSAGE_HANDLER(OCM_COMPAREITEM, OnCompareItem)
MESSAGE_HANDLER(OCM_DELETEITEM, OnDeleteItem)
END_MSG_MAP()
// message handlers
LRESULT OnDrawItem(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
T* pT = static_cast<T*>(this);
pT->DrawItem((LPDRAWITEMSTRUCT)lParam);
return (LRESULT)TRUE;
}
LRESULT OnMeasureItem(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
T* pT = static_cast<T*>(this);
pT->MeasureItem((LPMEASUREITEMSTRUCT)lParam);
return (LRESULT)TRUE;
}
LRESULT OnCompareItem(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
T* pT = static_cast<T*>(this);
return (LRESULT)pT->CompareItem((LPCOMPAREITEMSTRUCT)lParam);
}
LRESULT OnDeleteItem(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
T* pT = static_cast<T*>(this);
pT->DeleteItem((LPDELETEITEMSTRUCT)lParam);
return (LRESULT)TRUE;
}
// overrideables
void DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct)
{
// must be implemented
ATLASSERT(FALSE);
}
void MeasureItem(LPMEASUREITEMSTRUCT lpMeasureItemStruct)
{
if(lpMeasureItemStruct->CtlType != ODT_MENU)
{
// return default height for a system font
T* pT = static_cast<T*>(this);
HWND hWnd = pT->GetDlgItem(lpMeasureItemStruct->CtlID);
CClientDC dc(hWnd);
TEXTMETRIC tm;
dc.GetTextMetrics(&tm);
lpMeasureItemStruct->itemHeight = tm.tmHeight;
}
else
lpMeasureItemStruct->itemHeight = ::GetSystemMetrics(SM_CYMENU);
}
int CompareItem(LPCOMPAREITEMSTRUCT lpCompareItemStruct)
{
// all items are equal
return 0;
}
void DeleteItem(LPDELETEITEMSTRUCT lpDeleteItemStruct)
{
// default - nothing
}
};
/////////////////////////////////////////////////////////////////////////////
// Update UI structures and constants
// UI element type
#define UPDUI_MENUPOPUP 0x0001
#define UPDUI_MENUBAR 0x0002
#define UPDUI_CHILDWND 0x0004
#define UPDUI_TOOLBAR 0x0008
#define UPDUI_STATUSBAR 0x0010
// state
#define UPDUI_ENABLED 0x0000
#define UPDUI_DISABLED 0x0100
#define UPDUI_CHECKED 0x0200
#define UPDUI_CHECKED2 0x0400
#define UPDUI_RADIO 0x0800
#define UPDUI_DEFAULT 0x1000
#define UPDUI_TEXT 0x2000
// element data
struct _AtlUpdateUIElement
{
HWND m_hWnd;
WORD m_wType;
BOOL operator ==(_AtlUpdateUIElement e)
{
if(m_hWnd == e.m_hWnd && m_wType == e.m_wType)
return TRUE;
return FALSE;
}
};
// map data
struct _AtlUpdateUIMap
{
WORD m_nID;
WORD m_wType;
};
// instance data
struct _AtlUpdateUIData
{
WORD m_wState;
void* m_lpData;
};
// these should be inside the class definition
#define BEGIN_UPDATE_UI_MAP(thisClass) \
static const _AtlUpdateUIMap* GetUpdateUIMap() \
{ \
static const _AtlUpdateUIMap theMap[] = \
{
#define UPDATE_ELEMENT(nID, wType) \
{ nID, wType },
#define END_UPDATE_UI_MAP() \
{ (WORD)-1, 0 } \
}; \
return theMap; \
}
///////////////////////////////////////////////////////////////////////////////
// CUpdateUI - manages UI elements updating
class CUpdateUIBase
{
public:
CSimpleArray<_AtlUpdateUIElement> m_UIElements; // elements data
const _AtlUpdateUIMap* m_pUIMap; // static UI data
_AtlUpdateUIData* m_pUIData; // instance UI data
WORD m_wDirtyType; // global dirty flag
// Constructor, destructor
CUpdateUIBase() : m_pUIMap(NULL), m_pUIData(NULL), m_wDirtyType(0)
{ }
~CUpdateUIBase()
{
if(m_pUIMap != NULL && m_pUIData != NULL)
{
const _AtlUpdateUIMap* pUIMap = m_pUIMap;
_AtlUpdateUIData* pUIData = m_pUIData;
while(pUIMap->m_nID != (WORD)-1)
{
if(pUIData->m_wState & UPDUI_TEXT)
free(pUIData->m_lpData);
pUIMap++;
pUIData++;
}
delete [] m_pUIData;
}
}
// Add elements
BOOL UIAddMenu(HWND hWnd) // menu bar (main menu)
{
if(hWnd == NULL)
return FALSE;
_AtlUpdateUIElement e;
e.m_hWnd = hWnd;
e.m_wType = UPDUI_MENUBAR;
return m_UIElements.Add(e);
}
BOOL UIAddToolBar(HWND hWnd) // toolbar
{
if(hWnd == NULL)
return FALSE;
_AtlUpdateUIElement e;
e.m_hWnd = hWnd;
e.m_wType = UPDUI_TOOLBAR;
return m_UIElements.Add(e);
}
BOOL UIAddStatusBar(HWND hWnd) // status bar
{
if(hWnd == NULL)
return FALSE;
_AtlUpdateUIElement e;
e.m_hWnd = hWnd;
e.m_wType = UPDUI_STATUSBAR;
return m_UIElements.Add(e);
}
BOOL UIAddWindow(HWND hWnd) // child window
{
if(hWnd == NULL)
return FALSE;
_AtlUpdateUIElement e;
e.m_hWnd = hWnd;
e.m_wType = UPDUI_CHILDWND;
return m_UIElements.Add(e);
}
// message map for popup menu updates
BEGIN_MSG_MAP(CUpdateUIBase)
MESSAGE_HANDLER(WM_INITMENUPOPUP, OnInitMenuPopup)
END_MSG_MAP()
LRESULT OnInitMenuPopup(UINT /*uMsg*/, WPARAM wParam, LPARAM /*lParam*/, BOOL& bHandled)
{
bHandled = FALSE;
HMENU hMenu = (HMENU)wParam;
if(hMenu == NULL)
return 1;
_AtlUpdateUIData* pUIData = m_pUIData;
if(pUIData == NULL)
return 1;
const _AtlUpdateUIMap* pMap = m_pUIMap;
while(pMap->m_nID != (WORD)-1)
{
if(pMap->m_wType & UPDUI_MENUPOPUP)
UIUpdateMenuElement(pMap->m_nID, pUIData, hMenu, FALSE);
pMap++;
pUIData++;
}
return 0;
}
// methods for setting UI element state
BOOL UIEnable(int nID, BOOL bEnable, BOOL bForceUpdate = FALSE)
{
BOOL bRet = FALSE;
const _AtlUpdateUIMap* pMap = m_pUIMap;
_AtlUpdateUIData* p = m_pUIData;
for( ; pMap->m_nID != (WORD)-1; pMap++, p++)
{
if(nID == (int)pMap->m_nID)
{
if(bEnable)
{
if(p->m_wState & UPDUI_DISABLED)
{
p->m_wState |= pMap->m_wType;
p->m_wState &= ~UPDUI_DISABLED;
}
}
else
{
if(!(p->m_wState & UPDUI_DISABLED))
{
p->m_wState |= pMap->m_wType;
p->m_wState |= UPDUI_DISABLED;
}
}
if(bForceUpdate)
p->m_wState |= pMap->m_wType;
if(p->m_wState & pMap->m_wType)
m_wDirtyType |= pMap->m_wType;
bRet = TRUE;
break;
}
}
return bRet;
}
BOOL UISetCheck(int nID, int nCheck, BOOL bForceUpdate = FALSE)
{
BOOL bRet = FALSE;
const _AtlUpdateUIMap* pMap = m_pUIMap;
_AtlUpdateUIData* p = m_pUIData;
for( ; pMap->m_nID != (WORD)-1; pMap++, p++)
{
if(nID == (int)pMap->m_nID)
{
switch(nCheck)
{
case 0:
if((p->m_wState & UPDUI_CHECKED) || (p->m_wState & UPDUI_CHECKED2))
{
p->m_wState |= pMap->m_wType;
p->m_wState &= ~(UPDUI_CHECKED | UPDUI_CHECKED2);
}
break;
case 1:
if(!(p->m_wState & UPDUI_CHECKED))
{
p->m_wState |= pMap->m_wType;
p->m_wState &= ~UPDUI_CHECKED2;
p->m_wState |= UPDUI_CHECKED;
}
break;
case 2:
if(!(p->m_wState & UPDUI_CHECKED2))
{
p->m_wState |= pMap->m_wType;
p->m_wState &= ~UPDUI_CHECKED;
p->m_wState |= UPDUI_CHECKED2;
}
break;
}
if(bForceUpdate)
p->m_wState |= pMap->m_wType;
if(p->m_wState & pMap->m_wType)
m_wDirtyType |= pMap->m_wType;
bRet = TRUE;
break;
}
}
return bRet;
}
BOOL UISetRadio(int nID, BOOL bRadio, BOOL bForceUpdate = FALSE)
{
BOOL bRet = FALSE;
const _AtlUpdateUIMap* pMap = m_pUIMap;
_AtlUpdateUIData* p = m_pUIData;
for( ; pMap->m_nID != (WORD)-1; pMap++, p++)
{
if(nID == (int)pMap->m_nID)
{
if(bRadio)
{
if(!(p->m_wState & UPDUI_RADIO))
{
p->m_wState |= pMap->m_wType;
p->m_wState |= UPDUI_RADIO;
}
}
else
{
if(p->m_wState & UPDUI_RADIO)
{
p->m_wState |= pMap->m_wType;
p->m_wState &= ~UPDUI_RADIO;
}
}
if(bForceUpdate)
p->m_wState |= pMap->m_wType;
if(p->m_wState & pMap->m_wType)
m_wDirtyType |= pMap->m_wType;
bRet = TRUE;
break;
}
}
return bRet;
}
BOOL UISetText(int nID, LPCTSTR lpstrText, BOOL bForceUpdate = FALSE)
{
ATLASSERT(lpstrText != NULL);
BOOL bRet = FALSE;
const _AtlUpdateUIMap* pMap = m_pUIMap;
_AtlUpdateUIData* p = m_pUIData;
for( ; pMap->m_nID != (WORD)-1; pMap++, p++)
{
if(nID == (int)pMap->m_nID)
{
if(p->m_lpData != NULL && lstrcmp((LPTSTR)p->m_lpData, lpstrText))
{
if(p->m_lpData != NULL)
free(p->m_lpData);
int nStrLen = lstrlen(lpstrText);
p->m_lpData = malloc(nStrLen + sizeof(TCHAR));
if(p->m_lpData == NULL)
{
ATLTRACE2(atlTraceWindowing, 0, _T("SetText - malloc failed\n"));
break;
}
lstrcpy((LPTSTR)p->m_lpData, lpstrText);
p->m_wState |= (UPDUI_TEXT | pMap->m_wType);
}
if(bForceUpdate)
p->m_wState |= (UPDUI_TEXT | pMap->m_wType);
if(p->m_wState | pMap->m_wType)
m_wDirtyType |= pMap->m_wType;
bRet = TRUE;
break;
}
}
return bRet;
}
// methods for complete state set/get
BOOL UISetState(int nID, DWORD dwState)
{
BOOL bRet = FALSE;
const _AtlUpdateUIMap* pMap = m_pUIMap;
_AtlUpdateUIData* p = m_pUIData;
for( ; pMap->m_nID != (WORD)-1; pMap++, p++)
{
if(nID == (int)pMap->m_nID)
{
p->m_wState |= dwState | pMap->m_wType;
m_wDirtyType |= pMap->m_wType;
bRet = TRUE;
break;
}
}
return bRet;
}
DWORD UIGetState(int nID)
{
const _AtlUpdateUIMap* pMap = m_pUIMap;
_AtlUpdateUIData* p = m_pUIData;
for( ; pMap->m_nID != (WORD)-1; pMap++, p++)
{
if(nID == (int)pMap->m_nID)
return p->m_wState;
}
return 0;
}
// methods for updating UI
#ifndef UNDER_CE
//REVIEW
BOOL UIUpdateMenu(BOOL bForceUpdate = FALSE)
{
if(!(m_wDirtyType & UPDUI_MENUBAR) && !bForceUpdate)
return TRUE;
_AtlUpdateUIData* pUIData = m_pUIData;
if(pUIData == NULL)
return FALSE;
const _AtlUpdateUIMap* pMap = m_pUIMap;
HMENU hMenu;
for(int i = 0; i < m_UIElements.GetSize(); i++)
{
if(m_UIElements[i].m_wType == UPDUI_MENUBAR)
{
pMap = m_pUIMap;
pUIData = m_pUIData;
hMenu = ::GetMenu(m_UIElements[i].m_hWnd);
if(hMenu == NULL)
continue;
while(pMap->m_nID != (WORD)-1)
{
if((pUIData->m_wState & UPDUI_MENUBAR) && (pMap->m_wType & UPDUI_MENUBAR))
UIUpdateMenuElement(pMap->m_nID, pUIData, hMenu, TRUE);
pMap++;
pUIData++;
}
//REVIEW ::DrawMenuBar(m_UIElements[i].m_hWnd);
}
}
m_wDirtyType &= ~UPDUI_MENUBAR;
return TRUE;
}
#endif //!UNDER_CE
BOOL UIUpdateToolBar(BOOL bForceUpdate = FALSE)
{
if(!(m_wDirtyType & UPDUI_TOOLBAR) && !bForceUpdate)
return TRUE;
const _AtlUpdateUIMap* pMap = m_pUIMap;
_AtlUpdateUIData* pUIData = m_pUIData;
if(pUIData == NULL)
return FALSE;
for(int i = 0; i < m_UIElements.GetSize(); i++)
{
if(m_UIElements[i].m_wType == UPDUI_TOOLBAR)
{
pMap = m_pUIMap;
pUIData = m_pUIData;
while(pMap->m_nID != (WORD)-1)
{
if((pUIData->m_wState & UPDUI_TOOLBAR) && (pMap->m_wType & UPDUI_TOOLBAR))
UIUpdateToolBarElement(pMap->m_nID, pUIData, m_UIElements[i].m_hWnd);
pMap++;
pUIData++;
}
}
}
m_wDirtyType &= ~UPDUI_TOOLBAR;
return TRUE;
}
BOOL UIUpdateStatusBar(BOOL bForceUpdate = FALSE)
{
if(!(m_wDirtyType & UPDUI_STATUSBAR) && !bForceUpdate)
return TRUE;
const _AtlUpdateUIMap* pMap = m_pUIMap;
_AtlUpdateUIData* pUIData = m_pUIData;
if(pUIData == NULL)
return FALSE;
for(int i = 0; i < m_UIElements.GetSize(); i++)
{
if(m_UIElements[i].m_wType == UPDUI_STATUSBAR)
{
pMap = m_pUIMap;
pUIData = m_pUIData;
while(pMap->m_nID != (WORD)-1)
{
if((pUIData->m_wState & UPDUI_STATUSBAR) && (pMap->m_wType & UPDUI_STATUSBAR))
UIUpdateStatusBarElement(pMap->m_nID, pUIData, m_UIElements[i].m_hWnd);
pMap++;
pUIData++;
}
}
}
m_wDirtyType &= ~UPDUI_STATUSBAR;
return TRUE;
}
BOOL UIUpdateChildWnd(BOOL bForceUpdate = FALSE)
{
if(!(m_wDirtyType & UPDUI_CHILDWND) && !bForceUpdate)
return TRUE;
const _AtlUpdateUIMap* pMap = m_pUIMap;
_AtlUpdateUIData* pUIData = m_pUIData;
if(pUIData == NULL)
return FALSE;
for(int i = 0; i < m_UIElements.GetSize(); i++)
{
if(m_UIElements[i].m_wType == UPDUI_CHILDWND)
{
pMap = m_pUIMap;
pUIData = m_pUIData;
while(pMap->m_nID != (WORD)-1)
{
if((pUIData->m_wState & UPDUI_CHILDWND) && (pMap->m_wType & UPDUI_CHILDWND))
UIUpdateChildWndElement(pMap->m_nID, pUIData, m_UIElements[i].m_hWnd);
pMap++;
pUIData++;
}
}
}
m_wDirtyType &= ~UPDUI_CHILDWND;
return TRUE;
}
// internal element specific methods
#ifndef UNDER_CE
static void UIUpdateMenuElement(int nID, _AtlUpdateUIData* pUIData, HMENU hMenu, BOOL bClearState)
{
MENUITEMINFO mii;
memset(&mii, 0, sizeof(MENUITEMINFO));
mii.cbSize = sizeof(MENUITEMINFO);
mii.fMask = MIIM_STATE;
mii.wID = nID;
if(pUIData->m_wState & UPDUI_DISABLED)
mii.fState |= MFS_DISABLED | MFS_GRAYED;
else
mii.fState |= MFS_ENABLED;
if(pUIData->m_wState & UPDUI_CHECKED)
mii.fState |= MFS_CHECKED;
else
mii.fState |= MFS_UNCHECKED;
if(pUIData->m_wState & UPDUI_DEFAULT)
mii.fState |= MFS_DEFAULT;
if(pUIData->m_wState & UPDUI_TEXT)
{
mii.fMask |= MIIM_TYPE;
mii.fType = MFT_STRING;
mii.dwTypeData = (LPTSTR)pUIData->m_lpData;
}
::SetMenuItemInfo(hMenu, nID, FALSE, &mii);
if(pUIData->m_wState & UPDUI_TEXT)
{
free(pUIData->m_lpData);
pUIData->m_wState &= ~UPDUI_TEXT;
}
if(bClearState)
pUIData->m_wState &= ~UPDUI_MENUBAR;
}
#else // CE specific
static void UIUpdateMenuElement(int nID, _AtlUpdateUIData* pUIData, HMENU hMenu, BOOL bClearState)
{
UINT uState = 0;
if(pUIData->m_wState & UPDUI_DISABLED)
uState = MF_GRAYED;
else
uState = MF_ENABLED;
::EnableMenuItem(hMenu, nID, uState);
if(pUIData->m_wState & UPDUI_CHECKED)
uState = 1;
else
uState = 0;
::CheckMenuItem(hMenu, nID, uState);
//CE if(pUIData->m_wState & UPDUI_DEFAULT)
//CE mii.fState |= MFS_DEFAULT;
if(pUIData->m_wState & UPDUI_TEXT)
{
MENUITEMINFO mii;
memset(&mii, 0, sizeof(MENUITEMINFO));
mii.cbSize = sizeof(MENUITEMINFO);
mii.fMask = MIIM_TYPE;
mii.wID = nID;
mii.fType = MFT_STRING;
mii.dwTypeData = (LPTSTR)pUIData->m_lpData;
::SetMenuItemInfo(hMenu, nID, FALSE, &mii);
free(pUIData->m_lpData);
pUIData->m_wState &= ~UPDUI_TEXT;
}
if(bClearState)
pUIData->m_wState &= ~UPDUI_MENUBAR;
}
#endif //!UNDER_CE
static void UIUpdateToolBarElement(int nID, _AtlUpdateUIData* pUIData, HWND hWndToolBar)
{
//REVIEW: only handles enabled/disabled and checked state, and radio (press)
::SendMessage(hWndToolBar, TB_ENABLEBUTTON, nID, (LPARAM)(pUIData->m_wState & UPDUI_DISABLED) ? FALSE : TRUE);
::SendMessage(hWndToolBar, TB_CHECKBUTTON, nID, (LPARAM)(pUIData->m_wState & UPDUI_CHECKED) ? TRUE : FALSE);
::SendMessage(hWndToolBar, TB_INDETERMINATE, nID, (LPARAM)(pUIData->m_wState & UPDUI_CHECKED2) ? TRUE : FALSE);
::SendMessage(hWndToolBar, TB_PRESSBUTTON, nID, (LPARAM)(pUIData->m_wState & UPDUI_RADIO) ? TRUE : FALSE);
pUIData->m_wState &= ~UPDUI_TOOLBAR;
}
static void UIUpdateStatusBarElement(int nID, _AtlUpdateUIData* pUIData, HWND hWndStatusBar)
{
if(pUIData->m_wState | UPDUI_TEXT)
{
::SendMessage(hWndStatusBar, SB_SETTEXT, nID, (LPARAM)pUIData->m_lpData);
free(pUIData->m_lpData);
pUIData->m_wState &= ~UPDUI_TEXT;
}
pUIData->m_wState &= ~UPDUI_STATUSBAR;
}
static void UIUpdateChildWndElement(int nID, _AtlUpdateUIData* pUIData, HWND hWnd)
{
HWND hChild = ::GetDlgItem(hWnd, nID);
::EnableWindow(hChild, (pUIData->m_wState & UPDUI_DISABLED) ? FALSE : TRUE);
// for check and radio, assume that window is a button
int nCheck = BST_UNCHECKED;
if(pUIData->m_wState & UPDUI_CHECKED || pUIData->m_wState & UPDUI_RADIO)
nCheck = BST_CHECKED;
else if(pUIData->m_wState & UPDUI_CHECKED2)
nCheck = BST_INDETERMINATE;
::SendMessage(hChild, BM_SETCHECK, nCheck, 0L);
if(pUIData->m_wState & UPDUI_DEFAULT)
{
DWORD dwRet = ::SendMessage(hWnd, DM_GETDEFID, 0, 0L);
if(HIWORD(dwRet) == DC_HASDEFID)
{
HWND hOldDef = ::GetDlgItem(hWnd, LOWORD(dwRet));
// remove BS_DEFPUSHBUTTON
::SendMessage(hOldDef, BM_SETSTYLE, BS_PUSHBUTTON, MAKELPARAM(TRUE, 0));
}
::SendMessage(hWnd, DM_SETDEFID, nID, 0L);
}
if(pUIData->m_wState & UPDUI_TEXT)
{
::SetWindowText(hChild, (LPTSTR)pUIData->m_lpData);
free(pUIData->m_lpData);
pUIData->m_wState &= ~UPDUI_TEXT;
}
pUIData->m_wState &= ~UPDUI_CHILDWND;
}
};
template <class T>
class CUpdateUI : public CUpdateUIBase
{
public:
CUpdateUI()
{
T* pT = static_cast<T*>(this);
pT;
const _AtlUpdateUIMap* pMap = pT->GetUpdateUIMap();
m_pUIMap = pMap;
ATLASSERT(m_pUIMap != NULL);
for(int nCount = 1; pMap->m_nID != (WORD)-1; nCount++)
pMap++;
ATLTRY(m_pUIData = new _AtlUpdateUIData[nCount]);
ATLASSERT(m_pUIData != NULL);
if(m_pUIData != NULL)
memset(m_pUIData, 0, sizeof(_AtlUpdateUIData) * nCount);
}
};
}; //namespace ATL
#endif // __ATLFRAME_H__
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