ReceiveTempSMS
/
Sweden-Number
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Implementation for OleCreateMenuDescriptor, OleSetMenuDescriptor and 

OleDestroyMenuDescriptor along with a bunch of internally used methods
and data structures.
This commit is contained in:
Noel Borthwick 1999-04-01 11:48:01 +00:00 committed by Alexandre Julliard
parent 5a09711873
commit 0aef461def
1 changed files with 582 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

587
ole/ole2.c
View File

@ -3,6 +3,7 @@
*
* Copyright 1995 Martin von Loewis
* Copyright 1999 Francis Beaudet
* Copyright 1999 Noel Borthwick
*/
#include <assert.h>
@ -11,6 +12,8 @@
#include "winerror.h"
#include "ole2.h"
#include "process.h"
#include "hook.h"
#include "commctrl.h"
#include "wine/obj_clientserver.h"
#include "debug.h"
#include "ole2ver.h"
@ -41,6 +44,28 @@ typedef struct tagTrackerWindowInfo
IDropTarget* curDragTarget;
} TrackerWindowInfo;
typedef struct tagOleMenuDescriptor /* OleMenuDescriptor */
{
HWND hwndFrame; /* The containers frame window */
HWND hwndActiveObject; /* The active objects window */
OLEMENUGROUPWIDTHS mgw; /* OLE menu group widths for the shared menu */
HMENU hmenuCombined; /* The combined menu */
BOOL bIsServerItem; /* True if the currently open popup belongs to the server */
} OleMenuDescriptor;
typedef struct tagOleMenuHookItem /* OleMenu hook item in per thread hook list */
{
DWORD tid; /* Thread Id */
HANDLE hHeap; /* Heap this is allocated from */
HHOOK GetMsg_hHook; /* message hook for WH_GETMESSAGE */
HHOOK CallWndProc_hHook; /* message hook for WH_CALLWNDPROC */
} OleMenuHookItem;
/*
* Dynamic pointer array of per thread message hooks (maintained by OleSetMenuDescriptor)
*/
static HDPA OLEMenu_MsgHookDPA = NULL;
/*
* This is the lock count on the OLE library. It is controlled by the
* OLEInitialize/OLEUninitialize methods.
@ -57,6 +82,19 @@ static const char OLEDD_DRAGTRACKERCLASS[] = "WineDragDropTracker32";
*/
static DropTargetNode* targetListHead = NULL;
/******************************************************************************
* These are the prototypes of the utility methods used to manage a shared menu
*/
static void OLEMenu_Initialize();
static void OLEMenu_UnInitialize();
BOOL OLEMenu_InstallHooks( DWORD tid );
BOOL OLEMenu_UnInstallHooks( DWORD tid );
OleMenuHookItem * OLEMenu_IsHookInstalled( DWORD tid, INT *pixHook );
static BOOL OLEMenu_FindMainMenuIndex( HMENU hMainMenu, HMENU hPopupMenu, UINT *pnPos );
BOOL OLEMenu_SetIsServerMenu( HMENU hmenu, OleMenuDescriptor *pOleMenuDescriptor );
LRESULT CALLBACK OLEMenu_CallWndProc(INT code, WPARAM wParam, LPARAM lParam);
LRESULT CALLBACK OLEMenu_GetMsgProc(INT code, WPARAM wParam, LPARAM lParam);
/******************************************************************************
* These are the prototypes of the utility methods used for OLE Drag n Drop
*/
@ -133,6 +171,11 @@ HRESULT WINAPI OleInitialize(LPVOID reserved)
* Drag and Drop
*/
OLEDD_Initialize();
/*
* OLE shared menu
*/
OLEMenu_Initialize();
}
/*
@ -179,6 +222,11 @@ void WINAPI OleUninitialize(void)
* Drag and Drop
*/
OLEDD_UnInitialize();
/*
* OLE shared menu
*/
OLEMenu_UnInitialize();
}
/*
@ -460,46 +508,575 @@ HRESULT WINAPI OleGetClipboard(
return E_FAIL;
}
/**************************************************************************
* Internal methods to manage the shared OLE menu in response to the
* OLE***MenuDescriptor API
*/
/***
* OLEMenu_Initialize()
*
* Initializes the OLEMENU data structures.
*/
static void OLEMenu_Initialize()
{
/* Create a dynamic pointer array to store the hook handles */
if ( !OLEMenu_MsgHookDPA )
OLEMenu_MsgHookDPA = DPA_CreateEx( 2, GetProcessHeap() );
}
/***
* OLEMenu_UnInitialize()
*
* Releases the OLEMENU data structures.
*/
static void OLEMenu_UnInitialize()
{
/* Release the hook table */
if ( OLEMenu_MsgHookDPA )
DPA_Destroy( OLEMenu_MsgHookDPA );
OLEMenu_MsgHookDPA = NULL;
}
/*************************************************************************
* OLEMenu_InstallHooks
* Install thread scope message hooks for WH_GETMESSAGE and WH_CALLWNDPROC
*
* RETURNS: TRUE if message hooks were succesfully installed
* FALSE on failure
*/
BOOL OLEMenu_InstallHooks( DWORD tid )
{
OleMenuHookItem *pHookItem = NULL;
if ( !OLEMenu_MsgHookDPA ) /* No hook table? Create one */
{
/* Create a dynamic pointer array to store the hook handles */
if ( !(OLEMenu_MsgHookDPA = DPA_CreateEx( 2, GetProcessHeap() )) )
return FALSE;
}
/* Create an entry for the hook table */
if ( !(pHookItem = HeapAlloc(GetProcessHeap(), 0,
sizeof(OleMenuHookItem)) ) )
return FALSE;
pHookItem->tid = tid;
pHookItem->hHeap = GetProcessHeap();
/* Install a thread scope message hook for WH_GETMESSAGE */
pHookItem->GetMsg_hHook = SetWindowsHookExA( WH_GETMESSAGE, OLEMenu_GetMsgProc,
0, GetCurrentThreadId() );
if ( !pHookItem->GetMsg_hHook )
goto CLEANUP;
/* Install a thread scope message hook for WH_CALLWNDPROC */
pHookItem->CallWndProc_hHook = SetWindowsHookExA( WH_CALLWNDPROC, OLEMenu_CallWndProc,
0, GetCurrentThreadId() );
if ( !pHookItem->CallWndProc_hHook )
goto CLEANUP;
/* Insert the hook table entry */
if ( -1 == DPA_InsertPtr( OLEMenu_MsgHookDPA, 0, pHookItem ) )
goto CLEANUP;
return TRUE;
CLEANUP:
/* Unhook any hooks */
if ( pHookItem->GetMsg_hHook )
UnhookWindowsHookEx( pHookItem->GetMsg_hHook );
if ( pHookItem->CallWndProc_hHook )
UnhookWindowsHookEx( pHookItem->CallWndProc_hHook );
/* Release the hook table entry */
HeapFree(pHookItem->hHeap, 0, pHookItem );
return FALSE;
}
/*************************************************************************
* OLEMenu_UnInstallHooks
* UnInstall thread scope message hooks for WH_GETMESSAGE and WH_CALLWNDPROC
*
* RETURNS: TRUE if message hooks were succesfully installed
* FALSE on failure
*/
BOOL OLEMenu_UnInstallHooks( DWORD tid )
{
INT ixHook;
OleMenuHookItem *pHookItem = NULL;
if ( !OLEMenu_MsgHookDPA ) /* No hooks set */
return TRUE;
/* Lookup the hHook index for this tid */
if ( !OLEMenu_IsHookInstalled( tid , &ixHook ) )
return TRUE;
/* Remove the hook entry from the table(the pointer itself is not deleted) */
if ( !( pHookItem = DPA_DeletePtr(OLEMenu_MsgHookDPA, ixHook) ) )
return FALSE;
/* Uninstall the hooks installed for this thread */
if ( !UnhookWindowsHookEx( pHookItem->GetMsg_hHook ) )
goto CLEANUP;
if ( !UnhookWindowsHookEx( pHookItem->CallWndProc_hHook ) )
goto CLEANUP;
/* Release the hook table entry */
HeapFree(pHookItem->hHeap, 0, pHookItem );
return TRUE;
CLEANUP:
/* Release the hook table entry */
if (pHookItem)
HeapFree(pHookItem->hHeap, 0, pHookItem );
return FALSE;
}
/*************************************************************************
* OLEMenu_IsHookInstalled
* Tests if OLEMenu hooks have been installed for a thread
*
* RETURNS: The pointer and index of the hook table entry for the tid
* NULL and -1 for the index if no hooks were installed for this thread
*/
OleMenuHookItem * OLEMenu_IsHookInstalled( DWORD tid, INT *pixHook )
{
INT ixHook;
OleMenuHookItem *pHookItem = NULL;
if ( pixHook )
*pixHook = -1;
if ( !OLEMenu_MsgHookDPA ) /* No hooks set */
return NULL;
/* Do a simple linear search for an entry whose tid matches ours.
* We really need a map but efficiency is not a concern here. */
for( ixHook = 0; ; ixHook++ )
{
/* Retrieve the hook entry */
if ( !( pHookItem = DPA_GetPtr(OLEMenu_MsgHookDPA, ixHook) ) )
return NULL;
if ( tid == pHookItem->tid )
{
if ( pixHook )
*pixHook = ixHook;
return pHookItem;
}
}
return NULL;
}
/***********************************************************************
* OLEMenu_FindMainMenuIndex
*
* Used by OLEMenu API to find the top level group a menu item belongs to.
* On success pnPos contains the index of the item in the top level menu group
*
* RETURNS: TRUE if the ID was found, FALSE on failure
*/
static BOOL OLEMenu_FindMainMenuIndex( HMENU hMainMenu, HMENU hPopupMenu, UINT *pnPos )
{
UINT i, nItems;
nItems = GetMenuItemCount( hMainMenu );
for (i = 0; i < nItems; i++)
{
HMENU hsubmenu;
/* Is the current item a submenu? */
if ( (hsubmenu = GetSubMenu(hMainMenu, i)) )
{
/* If the handle is the same we're done */
if ( hsubmenu == hPopupMenu )
{
if (pnPos)
*pnPos = i;
return TRUE;
}
/* Recursively search without updating pnPos */
else if ( OLEMenu_FindMainMenuIndex( hsubmenu, hPopupMenu, NULL ) )
{
if (pnPos)
*pnPos = i;
return TRUE;
}
}
}
return FALSE;
}
/***********************************************************************
* OLEMenu_SetIsServerMenu
*
* Checks whether a popup menu belongs to a shared menu group which is
* owned by the server, and sets the menu descriptor state accordingly.
* All menu messages from these groups should be routed to the server.
*
* RETURNS: TRUE if the popup menu is part of a server owned group
* FASE if the popup menu is part of a container owned group
*/
BOOL OLEMenu_SetIsServerMenu( HMENU hmenu, OleMenuDescriptor *pOleMenuDescriptor )
{
UINT nPos = 0, nWidth, i;
pOleMenuDescriptor->bIsServerItem = FALSE;
/* Don't bother searching if the popup is the combined menu itself */
if ( hmenu == pOleMenuDescriptor->hmenuCombined )
return FALSE;
/* Find the menu item index in the shared OLE menu that this item belongs to */
if ( !OLEMenu_FindMainMenuIndex( pOleMenuDescriptor->hmenuCombined, hmenu, &nPos ) )
return FALSE;
/* The group widths array has counts for the number of elements
* in the groups File, Edit, Container, Object, Window, Help.
* The Edit, Object & Help groups belong to the server object
* and the other three belong to the container.
* Loop thru the group widths and locate the group we are a member of.
*/
for ( i = 0, nWidth = 0; i < 6; i++ )
{
nWidth += pOleMenuDescriptor->mgw.width[i];
if ( nPos < nWidth )
{
/* Odd elements are server menu widths */
pOleMenuDescriptor->bIsServerItem = (i%2) ? TRUE : FALSE;
break;
}
}
return pOleMenuDescriptor->bIsServerItem;
}
/*************************************************************************
* OLEMenu_CallWndProc
* Thread scope WH_CALLWNDPROC hook proc filter function (callback)
* This is invoked from a message hook installed in OleSetMenuDescriptor.
*/
LRESULT CALLBACK OLEMenu_CallWndProc(INT code, WPARAM wParam, LPARAM lParam)
{
LPCWPSTRUCT pMsg = NULL;
HOLEMENU hOleMenu = 0;
OleMenuDescriptor *pOleMenuDescriptor = NULL;
OleMenuHookItem *pHookItem = NULL;
WORD fuFlags;
TRACE(ole,"%i, %04x, %08x\n", code, wParam, (unsigned)lParam );
/* Check if we're being asked to process the message */
if ( HC_ACTION != code )
goto NEXTHOOK;
/* Retrieve the current message being dispatched from lParam */
pMsg = (LPCWPSTRUCT)lParam;
/* Check if the message is destined for a window we are interested in:
* If the window has an OLEMenu property we may need to dispatch
* the menu message to its active objects window instead. */
hOleMenu = (HOLEMENU)GetPropA( pMsg->hwnd, "PROP_OLEMenuDescriptor" );
if ( !hOleMenu )
goto NEXTHOOK;
/* Get the menu descriptor */
pOleMenuDescriptor = (OleMenuDescriptor *) GlobalLock( hOleMenu );
if ( !pOleMenuDescriptor ) /* Bad descriptor! */
goto NEXTHOOK;
/* Process menu messages */
switch( pMsg->message )
{
case WM_INITMENU:
{
/* Reset the menu descriptor state */
pOleMenuDescriptor->bIsServerItem = FALSE;
/* Send this message to the server as well */
SendMessageA( pOleMenuDescriptor->hwndActiveObject,
pMsg->message, pMsg->wParam, pMsg->lParam );
goto NEXTHOOK;
}
case WM_INITMENUPOPUP:
{
/* Save the state for whether this is a server owned menu */
OLEMenu_SetIsServerMenu( (HMENU)pMsg->wParam, pOleMenuDescriptor );
break;
}
case WM_MENUSELECT:
{
fuFlags = HIWORD(pMsg->wParam); /* Get flags */
if ( fuFlags & MF_SYSMENU )
goto NEXTHOOK;
/* Save the state for whether this is a server owned popup menu */
else if ( fuFlags & MF_POPUP )
OLEMenu_SetIsServerMenu( (HMENU)pMsg->lParam, pOleMenuDescriptor );
break;
}
case WM_DRAWITEM:
{
LPDRAWITEMSTRUCT lpdis = (LPDRAWITEMSTRUCT) pMsg->lParam;
if ( pMsg->wParam != 0 || lpdis->CtlType != ODT_MENU )
goto NEXTHOOK; /* Not a menu message */
break;
}
default:
goto NEXTHOOK;
}
/* If the message was for the server dispatch it accordingly */
if ( pOleMenuDescriptor->bIsServerItem )
{
SendMessageA( pOleMenuDescriptor->hwndActiveObject,
pMsg->message, pMsg->wParam, pMsg->lParam );
}
NEXTHOOK:
if ( pOleMenuDescriptor )
GlobalUnlock( hOleMenu );
/* Lookup the hook item for the current thread */
if ( !( pHookItem = OLEMenu_IsHookInstalled( GetCurrentThreadId(), NULL ) ) )
{
/* This should never fail!! */
WARN(ole, "could not retrieve hHook for current thread!\n" );
return 0;
}
/* Pass on the message to the next hooker */
return CallNextHookEx( pHookItem->CallWndProc_hHook, code, wParam, lParam );
}
/*************************************************************************
* OLEMenu_GetMsgProc
* Thread scope WH_GETMESSAGE hook proc filter function (callback)
* This is invoked from a message hook installed in OleSetMenuDescriptor.
*/
LRESULT CALLBACK OLEMenu_GetMsgProc(INT code, WPARAM wParam, LPARAM lParam)
{
LPMSG pMsg = NULL;
HOLEMENU hOleMenu = 0;
OleMenuDescriptor *pOleMenuDescriptor = NULL;
OleMenuHookItem *pHookItem = NULL;
WORD wCode;
TRACE(ole,"%i, %04x, %08x\n", code, wParam, (unsigned)lParam );
/* Check if we're being asked to process a messages */
if ( HC_ACTION != code )
goto NEXTHOOK;
/* Retrieve the current message being dispatched from lParam */
pMsg = (LPMSG)lParam;
/* Check if the message is destined for a window we are interested in:
* If the window has an OLEMenu property we may need to dispatch
* the menu message to its active objects window instead. */
hOleMenu = (HOLEMENU)GetPropA( pMsg->hwnd, "PROP_OLEMenuDescriptor" );
if ( !hOleMenu )
goto NEXTHOOK;
/* Process menu messages */
switch( pMsg->message )
{
case WM_COMMAND:
{
wCode = HIWORD(pMsg->wParam); /* Get notification code */
if ( wCode )
goto NEXTHOOK; /* Not a menu message */
break;
}
default:
goto NEXTHOOK;
}
/* Get the menu descriptor */
pOleMenuDescriptor = (OleMenuDescriptor *) GlobalLock( hOleMenu );
if ( !pOleMenuDescriptor ) /* Bad descriptor! */
goto NEXTHOOK;
/* If the message was for the server dispatch it accordingly */
if ( pOleMenuDescriptor->bIsServerItem )
{
/* Change the hWnd in the message to the active objects hWnd.
* The message loop which reads this message will automatically
* dispatch it to the embedded objects window. */
pMsg->hwnd = pOleMenuDescriptor->hwndActiveObject;
}
NEXTHOOK:
if ( pOleMenuDescriptor )
GlobalUnlock( hOleMenu );
/* Lookup the hook item for the current thread */
if ( !( pHookItem = OLEMenu_IsHookInstalled( GetCurrentThreadId(), NULL ) ) )
{
/* This should never fail!! */
WARN(ole, "could not retrieve hHook for current thread!\n" );
return FALSE;
}
/* Pass on the message to the next hooker */
return CallNextHookEx( pHookItem->GetMsg_hHook, code, wParam, lParam );
}
/***********************************************************************
* OleCreateMenuDescriptor [OLE32.97]
* Creates an OLE menu descriptor for OLE to use when dispatching
* menu messages and commands.
*
* PARAMS:
* hmenuCombined - Handle to the objects combined menu
* lpMenuWidths - Pointer to array of 6 LONG's indicating menus per group
*
*/
HOLEMENU WINAPI OleCreateMenuDescriptor(
HMENU hmenuCombined,
LPOLEMENUGROUPWIDTHS lpMenuWidths)
{
FIXME(ole,"(%x,%p),stub!\n", hmenuCombined, lpMenuWidths);
HOLEMENU hOleMenu;
OleMenuDescriptor *pOleMenuDescriptor;
int i;
if ( !hmenuCombined || !lpMenuWidths )
return 0;
/* Create an OLE menu descriptor */
if ( !(hOleMenu = GlobalAlloc(GMEM_MOVEABLE | GMEM_ZEROINIT,
sizeof(OleMenuDescriptor) ) ) )
return 0;
pOleMenuDescriptor = (OleMenuDescriptor *) GlobalLock( hOleMenu );
if ( !pOleMenuDescriptor )
return 0;
/* Initialize menu group widths and hmenu */
for ( i = 0; i < 6; i++ )
pOleMenuDescriptor->mgw.width[i] = lpMenuWidths->width[i];
pOleMenuDescriptor->hmenuCombined = hmenuCombined;
pOleMenuDescriptor->bIsServerItem = FALSE;
GlobalUnlock( hOleMenu );
return hOleMenu;
}
/***********************************************************************
* OleDestroyMenuDescriptor [OLE32.99]
* Destroy the shared menu descriptor
*/
HRESULT WINAPI OleDestroyMenuDescriptor(
HOLEMENU hmenuDescriptor)
{
FIXME(ole,"(%x),stub!\n", (unsigned int)hmenuDescriptor);
if ( hmenuDescriptor )
GlobalFree( hmenuDescriptor );
return S_OK;
}
/***********************************************************************
* OleSetMenuDescriptor [OLE32.129]
* Installs or removes OLE dispatching code for the containers frame window
* FIXME: The lpFrame and lpActiveObject parameters are currently ignored
* OLE should install context sensitive help F1 filtering for the app when
* these are non null.
*
* PARAMS:
* hOleMenu Handle to composite menu descriptor
* hwndFrame Handle to containers frame window
* hwndActiveObject Handle to objects in-place activation window
* lpFrame Pointer to IOleInPlaceFrame on containers window
* lpActiveObject Pointer to IOleInPlaceActiveObject on active in-place object
*
* RETURNS:
* S_OK - menu installed correctly
* E_FAIL, E_INVALIDARG, E_UNEXPECTED - failure
*/
HRESULT WINAPI OleSetMenuDescriptor(
HOLEMENU hmenuDescriptor,
HOLEMENU hOleMenu,
HWND hwndFrame,
HWND hwndActiveObject,
LPOLEINPLACEFRAME lpFrame,
LPOLEINPLACEACTIVEOBJECT lpActiveObject)
{
FIXME(ole,"(%x, %x, %x, %p, %p),stub!\n",
(unsigned int)hmenuDescriptor,
OleMenuDescriptor *pOleMenuDescriptor = NULL;
/* Check args */
if ( !hwndFrame || (hOleMenu && !hwndActiveObject) )
return E_INVALIDARG;
if ( lpFrame || lpActiveObject )
{
FIXME(ole,"(%x, %x, %x, %p, %p), Context sensitive help filtering not implemented!\n",
(unsigned int)hOleMenu,
hwndFrame,
hwndActiveObject,
lpFrame,
lpActiveObject);
}
/* Set up a message hook to intercept the containers frame window messages.
* The message filter is responsible for dispatching menu messages from the
* shared menu which are intended for the object.
*/
if ( hOleMenu ) /* Want to install dispatching code */
{
/* If OLEMenu hooks are already installed for this thread, fail
* Note: This effectively means that OleSetMenuDescriptor cannot
* be called twice in succession on the same frame window
* without first calling it with a null hOleMenu to uninstall */
if ( OLEMenu_IsHookInstalled( GetCurrentThreadId(), NULL ) )
return E_FAIL;
/* Get the menu descriptor */
pOleMenuDescriptor = (OleMenuDescriptor *) GlobalLock( hOleMenu );
if ( !pOleMenuDescriptor )
return E_UNEXPECTED;
/* Update the menu descriptor */
pOleMenuDescriptor->hwndFrame = hwndFrame;
pOleMenuDescriptor->hwndActiveObject = hwndActiveObject;
GlobalUnlock( hOleMenu );
pOleMenuDescriptor = NULL;
/* Add a menu descriptor windows property to the frame window */
SetPropA( hwndFrame, "PROP_OLEMenuDescriptor", hOleMenu );
/* Install thread scope message hooks for WH_GETMESSAGE and WH_CALLWNDPROC */
if ( !OLEMenu_InstallHooks( GetCurrentThreadId() ) )
return E_FAIL;
}
else /* Want to uninstall dispatching code */
{
/* Uninstall the hooks */
if ( !OLEMenu_UnInstallHooks( GetCurrentThreadId() ) )
return E_FAIL;
/* Remove the menu descriptor property from the frame window */
RemovePropA( hwndFrame, "PROP_OLEMenuDescriptor" );
}
return S_OK;
}
/***********************************************************************