mdi.c

winNT技术操作系统,国外开放的原代码和LIUX一样

      case WM_MDIREFRESHMENU:
          return MDI_RefreshMenu( ci );

      case WM_MDITILE:
	ci->mdiFlags |= MDIF_NEEDUPDATE;
        ShowScrollBar( hwnd, SB_BOTH, FALSE );
        MDITile( hwnd, ci, wParam );
        ci->mdiFlags &= ~MDIF_NEEDUPDATE;
        return 0;

      case WM_VSCROLL:
      case WM_HSCROLL:
	ci->mdiFlags |= MDIF_NEEDUPDATE;
        ScrollChildren( hwnd, message, wParam, lParam );
	ci->mdiFlags &= ~MDIF_NEEDUPDATE;
        return 0;

      case WM_SETFOCUS:
          if (ci->hwndActiveChild && !IsIconic( ci->hwndActiveChild ))
              SetFocus( ci->hwndActiveChild );
          return 0;

      case WM_NCACTIVATE:
        if( ci->hwndActiveChild )
            SendMessageW(ci->hwndActiveChild, message, wParam, lParam);
	break;

      case WM_PARENTNOTIFY:
        switch (LOWORD(wParam))
        {
        case WM_CREATE:
            if (GetWindowLongW((HWND)lParam, GWL_EXSTYLE) & WS_EX_MDICHILD)
            {
                ci->nTotalCreated++;
                ci->nActiveChildren++;

                if (!ci->child)
                    ci->child = HeapAlloc(GetProcessHeap(), 0, sizeof(HWND));
                else
                    ci->child = HeapReAlloc(GetProcessHeap(), 0, ci->child, sizeof(HWND) * ci->nActiveChildren); 

                ci->child[ci->nActiveChildren - 1] = (HWND)lParam;
            }
            break;

        case WM_LBUTTONDOWN:
            {
            HWND child;
            POINT pt;
            pt.x = (short)LOWORD(lParam);
            pt.y = (short)HIWORD(lParam);
            child = ChildWindowFromPoint(hwnd, pt);

	    TRACE("notification from %p (%li,%li)\n",child,pt.x,pt.y);

            if( child && child != hwnd && child != ci->hwndActiveChild )
                SetWindowPos(child, 0,0,0,0,0, SWP_NOSIZE | SWP_NOMOVE );
            break;
            }
        }
        return 0;

      case WM_SIZE:
        if( IsWindow(ci->hwndActiveChild) && IsZoomed(ci->hwndActiveChild) &&
            (GetWindowLongW(ci->hwndActiveChild, GWL_STYLE) & WS_VISIBLE) )
	{
	    RECT	rect;

	    rect.left = 0;
	    rect.top = 0;
	    rect.right = LOWORD(lParam);
	    rect.bottom = HIWORD(lParam);

	    AdjustWindowRectEx(&rect, GetWindowLongA(ci->hwndActiveChild, GWL_STYLE),
                               0, GetWindowLongA(ci->hwndActiveChild, GWL_EXSTYLE) );
	    MoveWindow(ci->hwndActiveChild, rect.left, rect.top,
			 rect.right - rect.left, rect.bottom - rect.top, 1);
	}
	else
            MDI_PostUpdate(hwnd, ci, SB_BOTH+1);

	break;

      case WM_MDICALCCHILDSCROLL:
	if( (ci->mdiFlags & MDIF_NEEDUPDATE) && ci->sbRecalc )
	{
            CalcChildScroll(hwnd, ci->sbRecalc-1);
	    ci->sbRecalc = 0;
	    ci->mdiFlags &= ~MDIF_NEEDUPDATE;
	}
        return 0;
    }
    return unicode ? DefWindowProcW( hwnd, message, wParam, lParam ) :
                     DefWindowProcA( hwnd, message, wParam, lParam );
}

/***********************************************************************
 *		MDIClientWndProcA
 */
static LRESULT WINAPI MDIClientWndProcA( HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam )
{
    if (!IsWindow(hwnd)) return 0;
    return MDIClientWndProc_common( hwnd, message, wParam, lParam, FALSE );
}

/***********************************************************************
 *		MDIClientWndProcW
 */
static LRESULT WINAPI MDIClientWndProcW( HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam )
{
    if (!IsWindow(hwnd)) return 0;
    return MDIClientWndProc_common( hwnd, message, wParam, lParam, TRUE );
}

/***********************************************************************
 *		DefFrameProcA (USER32.@)
 */
LRESULT WINAPI DefFrameProcA( HWND hwnd, HWND hwndMDIClient,
                                UINT message, WPARAM wParam, LPARAM lParam)
{
    if (hwndMDIClient)
    {
	switch (message)
	{
        case WM_SETTEXT:
            {
                DWORD len = MultiByteToWideChar( CP_ACP, 0, (LPSTR)lParam, -1, NULL, 0 );
                LPWSTR text = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) );
                MultiByteToWideChar( CP_ACP, 0, (LPSTR)lParam, -1, text, len );
                MDI_UpdateFrameText( hwnd, hwndMDIClient, text );
                HeapFree( GetProcessHeap(), 0, text );
            }
            return 1; /* success. FIXME: check text length */

        case WM_COMMAND:
        case WM_NCACTIVATE:
        case WM_NEXTMENU:
        case WM_SETFOCUS:
        case WM_SIZE:
            return DefFrameProcW( hwnd, hwndMDIClient, message, wParam, lParam );
        }
    }
    return DefWindowProcA(hwnd, message, wParam, lParam);
}


/***********************************************************************
 *		DefFrameProcW (USER32.@)
 */
LRESULT WINAPI DefFrameProcW( HWND hwnd, HWND hwndMDIClient,
                                UINT message, WPARAM wParam, LPARAM lParam)
{
    MDICLIENTINFO *ci = get_client_info( hwndMDIClient );

    TRACE("%p %p %04x (%s) %08x %08lx\n", hwnd, hwndMDIClient, message, SPY_GetMsgName(message, hwnd), wParam, lParam);

    if (ci)
    {
	switch (message)
	{
        case WM_COMMAND:
            {
                WORD id = LOWORD(wParam);
                /* check for possible syscommands for maximized MDI child */
                if (id <  ci->idFirstChild || id >= ci->idFirstChild + ci->nActiveChildren)
                {
                    if( (id - 0xf000) & 0xf00f ) break;
                    if( !IsZoomed(ci->hwndActiveChild) ) break;
                    switch( id )
                    {
                    case SC_CLOSE:
                        if (!is_close_enabled(ci->hwndActiveChild, 0)) break;
                    case SC_SIZE:
                    case SC_MOVE:
                    case SC_MINIMIZE:
                    case SC_MAXIMIZE:
                    case SC_NEXTWINDOW:
                    case SC_PREVWINDOW:
                    case SC_RESTORE:
                        return SendMessageW( ci->hwndActiveChild, WM_SYSCOMMAND,
                                             wParam, lParam);
                    }
                }
                else
                {
                    HWND childHwnd;
                    if (id - ci->idFirstChild == MDI_MOREWINDOWSLIMIT)
                        /* User chose "More Windows..." */
                        childHwnd = MDI_MoreWindowsDialog(hwndMDIClient);
                    else
                        /* User chose one of the windows listed in the "Windows" menu */
                        childHwnd = MDI_GetChildByID(hwndMDIClient, id, ci);

                    if( childHwnd )
                        SendMessageW( hwndMDIClient, WM_MDIACTIVATE, (WPARAM)childHwnd, 0 );
                }
            }
            break;

        case WM_NCACTIVATE:
	    SendMessageW(hwndMDIClient, message, wParam, lParam);
	    break;

        case WM_SETTEXT:
            MDI_UpdateFrameText( hwnd, hwndMDIClient, (LPWSTR)lParam );
	    return 1; /* success. FIXME: check text length */

        case WM_SETFOCUS:
	    SetFocus(hwndMDIClient);
	    break;

        case WM_SIZE:
            MoveWindow(hwndMDIClient, 0, 0, LOWORD(lParam), HIWORD(lParam), TRUE);
            break;

        case WM_NEXTMENU:
            {
                MDINEXTMENU *next_menu = (MDINEXTMENU *)lParam;

                if (!IsIconic(hwnd) && ci->hwndActiveChild && !IsZoomed(ci->hwndActiveChild))
                {
                    /* control menu is between the frame system menu and
                     * the first entry of menu bar */
//                    WND *wndPtr = WIN_GetPtr(hwnd);

                    if( (wParam == VK_LEFT && GetMenu(hwnd) == next_menu->hmenuIn) ||
                        (wParam == VK_RIGHT && GetSubMenu(GetMenu(hwnd), 0) == next_menu->hmenuIn) )
                    {
//                        WIN_ReleasePtr(wndPtr);
//                        wndPtr = WIN_GetPtr(ci->hwndActiveChild);
                        next_menu->hmenuNext = GetSubMenu(GetMenu(ci->hwndActiveChild), 0);
                        next_menu->hwndNext = ci->hwndActiveChild;
                    }
//                    WIN_ReleasePtr(wndPtr);
                }
                return 0;
            }
	}
    }

    return DefWindowProcW( hwnd, message, wParam, lParam );
}

/***********************************************************************
 *		DefMDIChildProcA (USER32.@)
 */
LRESULT WINAPI DefMDIChildProcA( HWND hwnd, UINT message,
                                   WPARAM wParam, LPARAM lParam )
{
    HWND client = GetParent(hwnd);
    MDICLIENTINFO *ci = get_client_info( client );

    TRACE("%p %04x (%s) %08x %08lx\n", hwnd, message, SPY_GetMsgName(message, hwnd), wParam, lParam);
#ifndef __REACTOS__
    hwnd = WIN_GetFullHandle( hwnd );
#endif
    if (!ci) return DefWindowProcA( hwnd, message, wParam, lParam );

    switch (message)
    {
    case WM_SETTEXT:
	DefWindowProcA(hwnd, message, wParam, lParam);
	if( ci->hwndActiveChild == hwnd && IsZoomed(ci->hwndActiveChild) )
	    MDI_UpdateFrameText( GetParent(client), client, NULL );
        return 1; /* success. FIXME: check text length */

    case WM_GETMINMAXINFO:
    case WM_MENUCHAR:
    case WM_CLOSE:
    case WM_SETFOCUS:
    case WM_CHILDACTIVATE:
    case WM_SYSCOMMAND:
    case WM_SHOWWINDOW:
#ifndef __REACTOS__
    case WM_SETVISIBLE:
#endif
    case WM_SIZE:
    case WM_NEXTMENU:
    case WM_SYSCHAR:
    case WM_DESTROY:
        return DefMDIChildProcW( hwnd, message, wParam, lParam );
    }
    return DefWindowProcA(hwnd, message, wParam, lParam);
}


/***********************************************************************
 *		DefMDIChildProcW (USER32.@)
 */
LRESULT WINAPI DefMDIChildProcW( HWND hwnd, UINT message,
                                   WPARAM wParam, LPARAM lParam )
{
    HWND client = GetParent(hwnd);
    MDICLIENTINFO *ci = get_client_info( client );

    TRACE("%p %04x (%s) %08x %08lx\n", hwnd, message, SPY_GetMsgName(message, hwnd), wParam, lParam);
#ifndef __REACTOS__
    hwnd = WIN_GetFullHandle( hwnd );
#endif    
    if (!ci) return DefWindowProcW( hwnd, message, wParam, lParam );

    switch (message)
    {
    case WM_SETTEXT:
        DefWindowProcW(hwnd, message, wParam, lParam);
        if( ci->hwndActiveChild == hwnd && IsZoomed(ci->hwndActiveChild) )
            MDI_UpdateFrameText( GetParent(client), client, NULL );
        return 1; /* success. FIXME: check text length */

    case WM_GETMINMAXINFO:
        MDI_ChildGetMinMaxInfo( client, hwnd, (MINMAXINFO *)lParam );
        return 0;

    case WM_MENUCHAR:
        return 0x00010000; /* MDI children don't have menu bars */

    case WM_CLOSE:
        SendMessageW( client, WM_MDIDESTROY, (WPARAM)hwnd, 0 );
        return 0;

    case WM_CHILDACTIVATE:
        MDI_ChildActivate( client, hwnd );
        return 0;

    case WM_SYSCOMMAND:
        switch( wParam )
        {
        case SC_MOVE:
            if( ci->hwndActiveChild == hwnd && IsZoomed(ci->hwndActiveChild))
                return 0;
            break;
        case SC_RESTORE:
        case SC_MINIMIZE:
            break;
        case SC_MAXIMIZE:
            if (ci->hwndActiveChild == hwnd && IsZoomed(ci->hwndActiveChild))
                return SendMessageW( GetParent(client), message, wParam, lParam);
            break;
        case SC_NEXTWINDOW:
            SendMessageW( client, WM_MDINEXT, 0, 0);
            return 0;
        case SC_PREVWINDOW:
            SendMessageW( client, WM_MDINEXT, 0, 1);
            return 0;
        }
        break;

    case WM_SHOWWINDOW:
#ifndef __REACTOS__
    case WM_SETVISIBLE:
#endif
        if (IsZoomed(ci->hwndActiveChild)) ci->mdiFlags &= ~MDIF_NEEDUPDATE;
        else MDI_PostUpdate(client, ci, SB_BOTH+1);
        break;

    case WM_SIZE:
        if( hwnd == ci->hwndActiveChild )
        {
            if( wParam == SIZE_MAXIMIZED )
            {
                TRACE("maximizing child %p\n", hwnd );

                MDI_AugmentFrameMenu( GetParent(client), hwnd );
            }
            else
                MDI_RestoreFrameMenu( GetParent(client), hwnd , ci->hBmpClose);
        }

        MDI_UpdateFrameText( GetParent(client), client, NULL );
        MDI_RefreshMenu(ci);
        MDI_PostUpdate(client, ci, SB_BOTH+1);
        break;

    case WM_NEXTMENU:
        {
            MDINEXTMENU *next_menu = (MDINEXTMENU *)lParam;
            HWND parent = GetParent(client);

            if( wParam == VK_LEFT )  /* switch to frame system menu */
            {
//                WND *wndPtr = WIN_GetPtr( parent );
                next_menu->hmenuNext = GetSubMenu( GetMenu(parent), 0 );
//                WIN_ReleasePtr( wndPtr );
            }
            if( wParam == VK_RIGHT )  /* to frame menu bar */
            {
                next_menu->hmenuNext = GetMenu(parent);
            }
            next_menu->hwndNext = parent;
            return 0;
        }

    case WM_SYSCHAR:
        if (wParam == '-')
        {
            SendMessageW( hwnd, WM_SYSCOMMAND, (WPARAM)SC_KEYMENU, (DWORD)VK_SPACE);
            return 0;
        }
        break;

    case WM_DESTROY:
        /* Remove itself from the Window menu */
        MDI_RefreshMenu(ci);
        break;