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wine/dlls/shell32/contmenu.c
Juergen Schmied 0ae30d3027 - adjusted printing of refcounts to be equal 
- cleaning up icon cache on PROCESS_DETACH
- fixed ascii/unicode use in SH/ILCreateFromPath
- fixed small memory leak in shellview
1999-03-28 12:35:24 +00:00

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/*
* IContextMenu
*
* Copyright 1998 Juergen Schmied <juergen.schmied@metronet.de>
*/
#include <string.h>
#include "winerror.h"
#include "debug.h"
#include "pidl.h"
#include "wine/obj_base.h"
#include "wine/obj_contextmenu.h"
#include "wine/obj_shellbrowser.h"
#include "wine/obj_shellextinit.h"
#include "shell32_main.h"
/**************************************************************************
* IContextMenu Implementation
*/
typedef struct
{ ICOM_VTABLE(IContextMenu)* lpvtbl;
DWORD ref;
IShellFolder* pSFParent;
LPITEMIDLIST *aPidls;
BOOL bAllValues;
} IContextMenuImpl;
static struct ICOM_VTABLE(IContextMenu) cmvt;
/**************************************************************************
* IContextMenu_AllocPidlTable()
*/
BOOL IContextMenu_AllocPidlTable(IContextMenuImpl *This, DWORD dwEntries)
{
TRACE(shell,"(%p)->(entrys=%lu)\n",This, dwEntries);
/*add one for NULL terminator */
dwEntries++;
This->aPidls = (LPITEMIDLIST*)SHAlloc(dwEntries * sizeof(LPITEMIDLIST));
if(This->aPidls)
{ ZeroMemory(This->aPidls, dwEntries * sizeof(LPITEMIDLIST)); /*set all of the entries to NULL*/
}
return (This->aPidls != NULL);
}
/**************************************************************************
* IContextMenu_FreePidlTable()
*/
void IContextMenu_FreePidlTable(IContextMenuImpl *This)
{
int i;
TRACE(shell,"(%p)->()\n",This);
if(This->aPidls)
{ for(i = 0; This->aPidls[i]; i++)
{ SHFree(This->aPidls[i]);
}
SHFree(This->aPidls);
This->aPidls = NULL;
}
}
/**************************************************************************
* IContextMenu_FillPidlTable()
*/
BOOL IContextMenu_FillPidlTable(IContextMenuImpl *This, LPCITEMIDLIST *aPidls, UINT uItemCount)
{
UINT i;
TRACE(shell,"(%p)->(apidl=%p count=%u)\n",This, aPidls, uItemCount);
if(This->aPidls)
{ for(i = 0; i < uItemCount; i++)
{ This->aPidls[i] = ILClone(aPidls[i]);
}
return TRUE;
}
return FALSE;
}
/**************************************************************************
* IContextMenu_CanRenameItems()
*/
BOOL IContextMenu_CanRenameItems(IContextMenuImpl *This)
{ UINT i;
DWORD dwAttributes;
TRACE(shell,"(%p)->()\n",This);
if(This->aPidls)
{
for(i = 0; This->aPidls[i]; i++){} /*get the number of items assigned to This object*/
{ if(i > 1) /*you can't rename more than one item at a time*/
{ return FALSE;
}
}
dwAttributes = SFGAO_CANRENAME;
IShellFolder_GetAttributesOf(This->pSFParent, i, (LPCITEMIDLIST*)This->aPidls, &dwAttributes);
return dwAttributes & SFGAO_CANRENAME;
}
return FALSE;
}
/**************************************************************************
* IContextMenu_Constructor()
*/
IContextMenu *IContextMenu_Constructor(LPSHELLFOLDER pSFParent, LPCITEMIDLIST *aPidls, UINT uItemCount)
{ IContextMenuImpl* cm;
UINT u;
cm = (IContextMenuImpl*)HeapAlloc(GetProcessHeap(),0,sizeof(IContextMenuImpl));
cm->lpvtbl=&cmvt;
cm->ref = 1;
cm->pSFParent = pSFParent;
if(pSFParent)
IShellFolder_AddRef(pSFParent);
cm->aPidls = NULL;
IContextMenu_AllocPidlTable(cm, uItemCount);
if(cm->aPidls)
{ IContextMenu_FillPidlTable(cm, aPidls, uItemCount);
}
cm->bAllValues = 1;
for(u = 0; u < uItemCount; u++)
{ cm->bAllValues &= (_ILIsValue(aPidls[u]) ? 1 : 0);
}
TRACE(shell,"(%p)->()\n",cm);
shell32_ObjCount++;
return (IContextMenu*)cm;
}
/**************************************************************************
* IContextMenu_fnQueryInterface
*/
static HRESULT WINAPI IContextMenu_fnQueryInterface(IContextMenu *iface, REFIID riid, LPVOID *ppvObj)
{
ICOM_THIS(IContextMenuImpl, iface);
char xriid[50];
WINE_StringFromCLSID((LPCLSID)riid,xriid);
TRACE(shell,"(%p)->(\n\tIID:\t%s,%p)\n",This,xriid,ppvObj);
*ppvObj = NULL;
if(IsEqualIID(riid, &IID_IUnknown)) /*IUnknown*/
{ *ppvObj = This;
}
else if(IsEqualIID(riid, &IID_IContextMenu)) /*IContextMenu*/
{ *ppvObj = This;
}
else if(IsEqualIID(riid, &IID_IShellExtInit)) /*IShellExtInit*/
{ FIXME (shell,"-- LPSHELLEXTINIT pointer requested\n");
}
if(*ppvObj)
{
IContextMenu_AddRef((IContextMenu*)*ppvObj);
TRACE(shell,"-- Interface: (%p)->(%p)\n",ppvObj,*ppvObj);
return S_OK;
}
TRACE(shell,"-- Interface: E_NOINTERFACE\n");
return E_NOINTERFACE;
}
/**************************************************************************
* IContextMenu_fnAddRef
*/
static ULONG WINAPI IContextMenu_fnAddRef(IContextMenu *iface)
{
ICOM_THIS(IContextMenuImpl, iface);
TRACE(shell,"(%p)->(count=%lu)\n",This, This->ref);
shell32_ObjCount++;
return ++(This->ref);
}
/**************************************************************************
* IContextMenu_fnRelease
*/
static ULONG WINAPI IContextMenu_fnRelease(IContextMenu *iface)
{
ICOM_THIS(IContextMenuImpl, iface);
TRACE(shell,"(%p)->()\n",This);
shell32_ObjCount--;
if (!--(This->ref))
{ TRACE(shell," destroying IContextMenu(%p)\n",This);
if(This->pSFParent)
IShellFolder_Release(This->pSFParent);
/*make sure the pidl is freed*/
if(This->aPidls)
{ IContextMenu_FreePidlTable(This);
}
HeapFree(GetProcessHeap(),0,This);
return 0;
}
return This->ref;
}
/**************************************************************************
* ICM_InsertItem()
*/
void WINAPI _InsertMenuItem (
HMENU hmenu,
UINT indexMenu,
BOOL fByPosition,
UINT wID,
UINT fType,
LPSTR dwTypeData,
UINT fState)
{
MENUITEMINFOA mii;
ZeroMemory(&mii, sizeof(mii));
mii.cbSize = sizeof(mii);
if (fType == MFT_SEPARATOR)
{ mii.fMask = MIIM_ID | MIIM_TYPE;
}
else
{ mii.fMask = MIIM_ID | MIIM_TYPE | MIIM_STATE;
mii.dwTypeData = dwTypeData;
mii.fState = MFS_ENABLED | MFS_DEFAULT;
}
mii.wID = wID;
mii.fType = fType;
InsertMenuItemA( hmenu, indexMenu, fByPosition, &mii);
}
/**************************************************************************
* IContextMenu_fnQueryContextMenu()
*/
static HRESULT WINAPI IContextMenu_fnQueryContextMenu(
IContextMenu *iface,
HMENU hmenu,
UINT indexMenu,
UINT idCmdFirst,
UINT idCmdLast,
UINT uFlags)
{
ICOM_THIS(IContextMenuImpl, iface);
BOOL fExplore ;
TRACE(shell,"(%p)->(hmenu=%x indexmenu=%x cmdfirst=%x cmdlast=%x flags=%x )\n",This, hmenu, indexMenu, idCmdFirst, idCmdLast, uFlags);
if(!(CMF_DEFAULTONLY & uFlags))
{ if(!This->bAllValues)
{ /* folder menu */
fExplore = uFlags & CMF_EXPLORE;
if(fExplore)
{ _InsertMenuItem(hmenu, indexMenu++, TRUE, idCmdFirst+IDM_EXPLORE, MFT_STRING, "&Explore", MFS_ENABLED|MFS_DEFAULT);
_InsertMenuItem(hmenu, indexMenu++, TRUE, idCmdFirst+IDM_OPEN, MFT_STRING, "&Open", MFS_ENABLED);
}
else
{ _InsertMenuItem(hmenu, indexMenu++, TRUE, idCmdFirst+IDM_OPEN, MFT_STRING, "&Open", MFS_ENABLED|MFS_DEFAULT);
_InsertMenuItem(hmenu, indexMenu++, TRUE, idCmdFirst+IDM_EXPLORE, MFT_STRING, "&Explore", MFS_ENABLED);
}
if(uFlags & CMF_CANRENAME)
{ _InsertMenuItem(hmenu, indexMenu++, TRUE, 0, MFT_SEPARATOR, NULL, 0);
_InsertMenuItem(hmenu, indexMenu++, TRUE, idCmdFirst+IDM_RENAME, MFT_STRING, "&Rename", (IContextMenu_CanRenameItems(This) ? MFS_ENABLED : MFS_DISABLED));
}
}
else /* file menu */
{ _InsertMenuItem(hmenu, indexMenu++, TRUE, idCmdFirst+IDM_OPEN, MFT_STRING, "&Open", MFS_ENABLED|MFS_DEFAULT);
if(uFlags & CMF_CANRENAME)
{ _InsertMenuItem(hmenu, indexMenu++, TRUE, 0, MFT_SEPARATOR, NULL, 0);
_InsertMenuItem(hmenu, indexMenu++, TRUE, idCmdFirst+IDM_RENAME, MFT_STRING, "&Rename", (IContextMenu_CanRenameItems(This) ? MFS_ENABLED : MFS_DISABLED));
}
}
return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (IDM_LAST + 1));
}
return MAKE_HRESULT(SEVERITY_SUCCESS, 0, 0);
}
/**************************************************************************
* IContextMenu_fnInvokeCommand()
*/
static HRESULT WINAPI IContextMenu_fnInvokeCommand(
IContextMenu *iface,
LPCMINVOKECOMMANDINFO lpcmi)
{
ICOM_THIS(IContextMenuImpl, iface);
LPITEMIDLIST pidlTemp,pidlFQ;
LPSHELLBROWSER lpSB;
LPSHELLVIEW lpSV;
HWND hWndSV;
SHELLEXECUTEINFOA sei;
int i;
TRACE(shell,"(%p)->(invcom=%p verb=%p wnd=%x)\n",This,lpcmi,lpcmi->lpVerb, lpcmi->hwnd);
if(HIWORD(lpcmi->lpVerb))
{ /* get the active IShellView */
lpSB = (LPSHELLBROWSER)SendMessageA(lpcmi->hwnd, CWM_GETISHELLBROWSER,0,0);
IShellBrowser_QueryActiveShellView(lpSB, &lpSV); /* does AddRef() on lpSV */
IShellView_GetWindow(lpSV, &hWndSV);
/* these verbs are used by the filedialogs*/
TRACE(shell,"%s\n",lpcmi->lpVerb);
if (! strcmp(lpcmi->lpVerb,CMDSTR_NEWFOLDER))
{ FIXME(shell,"%s not implemented\n",lpcmi->lpVerb);
}
else if (! strcmp(lpcmi->lpVerb,CMDSTR_VIEWLIST))
{ SendMessageA(hWndSV, WM_COMMAND, MAKEWPARAM(FCIDM_SHVIEW_LISTVIEW,0),0 );
}
else if (! strcmp(lpcmi->lpVerb,CMDSTR_VIEWDETAILS))
{ SendMessageA(hWndSV, WM_COMMAND, MAKEWPARAM(FCIDM_SHVIEW_REPORTVIEW,0),0 );
}
else
{ FIXME(shell,"please report: unknown verb %s\n",lpcmi->lpVerb);
}
IShellView_Release(lpSV);
return NOERROR;
}
if(LOWORD(lpcmi->lpVerb) > IDM_LAST)
return E_INVALIDARG;
switch(LOWORD(lpcmi->lpVerb))
{ case IDM_EXPLORE:
case IDM_OPEN:
/* Find the first item in the list that is not a value. These commands
should never be invoked if there isn't at least one folder item in the list.*/
for(i = 0; This->aPidls[i]; i++)
{ if(!_ILIsValue(This->aPidls[i]))
break;
}
pidlTemp = ILCombine(((IGenericSFImpl*)(This->pSFParent))->mpidl, This->aPidls[i]);
pidlFQ = ILCombine(((IGenericSFImpl*)(This->pSFParent))->pMyPidl, pidlTemp);
SHFree(pidlTemp);
ZeroMemory(&sei, sizeof(sei));
sei.cbSize = sizeof(sei);
sei.fMask = SEE_MASK_IDLIST | SEE_MASK_CLASSNAME;
sei.lpIDList = pidlFQ;
sei.lpClass = "folder";
sei.hwnd = lpcmi->hwnd;
sei.nShow = SW_SHOWNORMAL;
if(LOWORD(lpcmi->lpVerb) == IDM_EXPLORE)
{ sei.lpVerb = "explore";
}
else
{ sei.lpVerb = "open";
}
ShellExecuteExA(&sei);
SHFree(pidlFQ);
break;
case IDM_RENAME:
MessageBeep(MB_OK);
/*handle rename for the view here*/
break;
}
return NOERROR;
}
/**************************************************************************
* IContextMenu_fnGetCommandString()
*/
static HRESULT WINAPI IContextMenu_fnGetCommandString(
IContextMenu *iface,
UINT idCommand,
UINT uFlags,
LPUINT lpReserved,
LPSTR lpszName,
UINT uMaxNameLen)
{
ICOM_THIS(IContextMenuImpl, iface);
HRESULT hr = E_INVALIDARG;
TRACE(shell,"(%p)->(idcom=%x flags=%x %p name=%p len=%x)\n",This, idCommand, uFlags, lpReserved, lpszName, uMaxNameLen);
switch(uFlags)
{ case GCS_HELPTEXT:
hr = E_NOTIMPL;
break;
case GCS_VERBA:
switch(idCommand)
{ case IDM_RENAME:
strcpy((LPSTR)lpszName, "rename");
hr = NOERROR;
break;
}
break;
/* NT 4.0 with IE 3.0x or no IE will always call This with GCS_VERBW. In This
case, you need to do the lstrcpyW to the pointer passed.*/
case GCS_VERBW:
switch(idCommand)
{ case IDM_RENAME:
lstrcpyAtoW((LPWSTR)lpszName, "rename");
hr = NOERROR;
break;
}
break;
case GCS_VALIDATE:
hr = NOERROR;
break;
}
TRACE(shell,"-- (%p)->(name=%s)\n",This, lpszName);
return hr;
}
/**************************************************************************
* IContextMenu_fnHandleMenuMsg()
* NOTES
* should be only in IContextMenu2 and IContextMenu3
* is nevertheless called from word95
*/
static HRESULT WINAPI IContextMenu_fnHandleMenuMsg(
IContextMenu *iface,
UINT uMsg,
WPARAM wParam,
LPARAM lParam)
{
ICOM_THIS(IContextMenuImpl, iface);
TRACE(shell,"(%p)->(msg=%x wp=%x lp=%lx)\n",This, uMsg, wParam, lParam);
return E_NOTIMPL;
}
/**************************************************************************
* IContextMenu VTable
*
*/
static struct ICOM_VTABLE(IContextMenu) cmvt =
{
IContextMenu_fnQueryInterface,
IContextMenu_fnAddRef,
IContextMenu_fnRelease,
IContextMenu_fnQueryContextMenu,
IContextMenu_fnInvokeCommand,
IContextMenu_fnGetCommandString,
IContextMenu_fnHandleMenuMsg,
(void *) 0xdeadbabe /* just paranoia */
};
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