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82e102107c
Before a single length was used for the number of characters to retrieve from the text, and to keep track of the size of the buffer. These are not equivalent, since there is a possible end of line conversion.
435 lines
14 KiB
C
435 lines
14 KiB
C
/*
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* RichEdit - functions and interfaces around CreateTextServices
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*
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* Copyright 2005, 2006, Maarten Lankhorst
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include "wine/port.h"
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#define NONAMELESSSTRUCT
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#define NONAMELESSUNION
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#define COBJMACROS
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#include "editor.h"
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#include "ole2.h"
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#include "oleauto.h"
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#include "richole.h"
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#include "imm.h"
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#include "textserv.h"
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#include "wine/debug.h"
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#include "editstr.h"
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#ifdef __i386__ /* thiscall functions are i386-specific */
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#define THISCALL(func) __thiscall_ ## func
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#define DEFINE_THISCALL_WRAPPER(func,args) \
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extern typeof(func) THISCALL(func); \
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__ASM_STDCALL_FUNC(__thiscall_ ## func, args, \
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"popl %eax\n\t" \
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"pushl %ecx\n\t" \
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"pushl %eax\n\t" \
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"jmp " __ASM_NAME(#func) __ASM_STDCALL(args) )
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#else /* __i386__ */
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#define THISCALL(func) func
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#define DEFINE_THISCALL_WRAPPER(func,args) /* nothing */
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#endif /* __i386__ */
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WINE_DEFAULT_DEBUG_CHANNEL(richedit);
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typedef struct ITextServicesImpl {
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const ITextServicesVtbl *lpVtbl;
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ITextHost *pMyHost;
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LONG ref;
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CRITICAL_SECTION csTxtSrv;
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ME_TextEditor *editor;
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char spare[256];
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} ITextServicesImpl;
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static const ITextServicesVtbl textservices_Vtbl;
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/******************************************************************
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* CreateTextServices (RICHED20.4)
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*/
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HRESULT WINAPI CreateTextServices(IUnknown * pUnkOuter,
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ITextHost * pITextHost,
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IUnknown **ppUnk)
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{
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ITextServicesImpl *ITextImpl;
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HRESULT hres;
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TRACE("%p %p --> %p\n", pUnkOuter, pITextHost, ppUnk);
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if (pITextHost == NULL)
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return E_POINTER;
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ITextImpl = CoTaskMemAlloc(sizeof(*ITextImpl));
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if (ITextImpl == NULL)
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return E_OUTOFMEMORY;
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InitializeCriticalSection(&ITextImpl->csTxtSrv);
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ITextImpl->csTxtSrv.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": ITextServicesImpl.csTxtSrv");
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ITextImpl->ref = 1;
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ITextHost_AddRef(pITextHost);
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ITextImpl->pMyHost = pITextHost;
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ITextImpl->lpVtbl = &textservices_Vtbl;
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ITextImpl->editor = ME_MakeEditor(pITextHost, FALSE);
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ME_HandleMessage(ITextImpl->editor, WM_CREATE, 0, 0, TRUE, &hres);
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if (pUnkOuter)
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{
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FIXME("Support aggregation\n");
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return CLASS_E_NOAGGREGATION;
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}
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*ppUnk = (IUnknown *)ITextImpl;
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return S_OK;
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}
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#define ICOM_THIS_MULTI(impl,field,iface) \
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impl* const This=(impl*)((char*)(iface) - offsetof(impl,field))
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static HRESULT WINAPI fnTextSrv_QueryInterface(ITextServices * iface,
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REFIID riid,
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LPVOID * ppv)
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{
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ICOM_THIS_MULTI(ITextServicesImpl, lpVtbl, iface);
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TRACE("(%p/%p)->(%s, %p)\n", This, iface, debugstr_guid(riid), ppv);
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*ppv = NULL;
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if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_ITextServices))
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*ppv = This;
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if (*ppv)
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{
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IUnknown_AddRef((IUnknown *)(*ppv));
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TRACE ("-- Interface = %p\n", *ppv);
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return S_OK;
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}
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FIXME("Unknown interface: %s\n", debugstr_guid(riid));
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return E_NOINTERFACE;
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}
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static ULONG WINAPI fnTextSrv_AddRef(ITextServices *iface)
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{
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ICOM_THIS_MULTI(ITextServicesImpl, lpVtbl, iface);
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DWORD ref = InterlockedIncrement(&This->ref);
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TRACE("(%p/%p)->() AddRef from %d\n", This, iface, ref - 1);
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return ref;
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}
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static ULONG WINAPI fnTextSrv_Release(ITextServices *iface)
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{
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ICOM_THIS_MULTI(ITextServicesImpl, lpVtbl, iface);
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DWORD ref = InterlockedDecrement(&This->ref);
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TRACE("(%p/%p)->() Release from %d\n", This, iface, ref + 1);
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if (!ref)
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{
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ITextHost_Release(This->pMyHost);
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This->csTxtSrv.DebugInfo->Spare[0] = 0;
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DeleteCriticalSection(&This->csTxtSrv);
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CoTaskMemFree(This);
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}
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return ref;
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}
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HRESULT WINAPI fnTextSrv_TxSendMessage(ITextServices *iface,
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UINT msg,
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WPARAM wparam,
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LPARAM lparam,
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LRESULT* plresult)
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{
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ICOM_THIS_MULTI(ITextServicesImpl, lpVtbl, iface);
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HRESULT hresult;
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LRESULT lresult;
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lresult = ME_HandleMessage(This->editor, msg, wparam, lparam, TRUE, &hresult);
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if (plresult) *plresult = lresult;
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return hresult;
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}
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HRESULT WINAPI fnTextSrv_TxDraw(ITextServices *iface,
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DWORD dwDrawAspect,
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LONG lindex,
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void* pvAspect,
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DVTARGETDEVICE* ptd,
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HDC hdcDraw,
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HDC hdcTargetDev,
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LPCRECTL lprcBounds,
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LPCRECTL lprcWBounds,
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LPRECT lprcUpdate,
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BOOL (CALLBACK * pfnContinue)(DWORD),
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DWORD dwContinue,
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LONG lViewId)
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{
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ICOM_THIS_MULTI(ITextServicesImpl, lpVtbl, iface);
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FIXME("%p: STUB\n", This);
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return E_NOTIMPL;
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}
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HRESULT WINAPI fnTextSrv_TxGetHScroll(ITextServices *iface,
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LONG* plMin,
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LONG* plMax,
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LONG* plPos,
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LONG* plPage,
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BOOL* pfEnabled)
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{
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ICOM_THIS_MULTI(ITextServicesImpl, lpVtbl, iface);
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*plMin = This->editor->horz_si.nMin;
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*plMax = This->editor->horz_si.nMax;
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*plPos = This->editor->horz_si.nPos;
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*plPage = This->editor->horz_si.nPage;
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*pfEnabled = (This->editor->styleFlags & WS_HSCROLL) != 0;
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return S_OK;
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}
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HRESULT WINAPI fnTextSrv_TxGetVScroll(ITextServices *iface,
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LONG* plMin,
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LONG* plMax,
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LONG* plPos,
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LONG* plPage,
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BOOL* pfEnabled)
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{
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ICOM_THIS_MULTI(ITextServicesImpl, lpVtbl, iface);
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*plMin = This->editor->vert_si.nMin;
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*plMax = This->editor->vert_si.nMax;
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*plPos = This->editor->vert_si.nPos;
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*plPage = This->editor->vert_si.nPage;
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*pfEnabled = (This->editor->styleFlags & WS_VSCROLL) != 0;
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return S_OK;
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}
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HRESULT WINAPI fnTextSrv_OnTxSetCursor(ITextServices *iface,
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DWORD dwDrawAspect,
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LONG lindex,
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void* pvAspect,
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DVTARGETDEVICE* ptd,
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HDC hdcDraw,
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HDC hicTargetDev,
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LPCRECT lprcClient,
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INT x, INT y)
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{
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ICOM_THIS_MULTI(ITextServicesImpl, lpVtbl, iface);
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FIXME("%p: STUB\n", This);
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return E_NOTIMPL;
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}
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HRESULT WINAPI fnTextSrv_TxQueryHitPoint(ITextServices *iface,
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DWORD dwDrawAspect,
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LONG lindex,
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void* pvAspect,
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DVTARGETDEVICE* ptd,
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HDC hdcDraw,
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HDC hicTargetDev,
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LPCRECT lprcClient,
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INT x, INT y,
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DWORD* pHitResult)
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{
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ICOM_THIS_MULTI(ITextServicesImpl, lpVtbl, iface);
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FIXME("%p: STUB\n", This);
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return E_NOTIMPL;
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}
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HRESULT WINAPI fnTextSrv_OnTxInplaceActivate(ITextServices *iface,
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LPCRECT prcClient)
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{
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ICOM_THIS_MULTI(ITextServicesImpl, lpVtbl, iface);
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FIXME("%p: STUB\n", This);
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return E_NOTIMPL;
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}
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HRESULT WINAPI fnTextSrv_OnTxInplaceDeactivate(ITextServices *iface)
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{
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ICOM_THIS_MULTI(ITextServicesImpl, lpVtbl, iface);
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FIXME("%p: STUB\n", This);
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return E_NOTIMPL;
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}
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HRESULT WINAPI fnTextSrv_OnTxUIActivate(ITextServices *iface)
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{
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ICOM_THIS_MULTI(ITextServicesImpl, lpVtbl, iface);
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FIXME("%p: STUB\n", This);
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return E_NOTIMPL;
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}
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HRESULT WINAPI fnTextSrv_OnTxUIDeactivate(ITextServices *iface)
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{
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ICOM_THIS_MULTI(ITextServicesImpl, lpVtbl, iface);
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FIXME("%p: STUB\n", This);
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return E_NOTIMPL;
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}
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HRESULT WINAPI fnTextSrv_TxGetText(ITextServices *iface,
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BSTR* pbstrText)
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{
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ICOM_THIS_MULTI(ITextServicesImpl, lpVtbl, iface);
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int length;
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length = ME_GetTextLength(This->editor);
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if (length)
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{
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ME_Cursor start;
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BSTR bstr;
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bstr = SysAllocStringByteLen(NULL, length * sizeof(WCHAR));
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if (bstr == NULL)
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return E_OUTOFMEMORY;
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ME_CursorFromCharOfs(This->editor, 0, &start);
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ME_GetTextW(This->editor, bstr, length, &start, INT_MAX, FALSE);
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*pbstrText = bstr;
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} else {
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*pbstrText = NULL;
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}
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return S_OK;
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}
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HRESULT WINAPI fnTextSrv_TxSetText(ITextServices *iface,
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LPCWSTR pszText)
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{
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ICOM_THIS_MULTI(ITextServicesImpl, lpVtbl, iface);
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ME_InternalDeleteText(This->editor, 0, ME_GetTextLength(This->editor),
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FALSE);
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ME_InsertTextFromCursor(This->editor, 0, pszText, -1,
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This->editor->pBuffer->pDefaultStyle);
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ME_SetSelection(This->editor, 0, 0);
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This->editor->nModifyStep = 0;
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OleFlushClipboard();
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ME_EmptyUndoStack(This->editor);
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ME_UpdateRepaint(This->editor);
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return S_OK;
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}
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HRESULT WINAPI fnTextSrv_TxGetCurrentTargetX(ITextServices *iface,
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LONG* x)
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{
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ICOM_THIS_MULTI(ITextServicesImpl, lpVtbl, iface);
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FIXME("%p: STUB\n", This);
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return E_NOTIMPL;
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}
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HRESULT WINAPI fnTextSrv_TxGetBaseLinePos(ITextServices *iface,
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LONG* x)
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{
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ICOM_THIS_MULTI(ITextServicesImpl, lpVtbl, iface);
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FIXME("%p: STUB\n", This);
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return E_NOTIMPL;
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}
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HRESULT WINAPI fnTextSrv_TxGetNaturalSize(ITextServices *iface,
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DWORD dwAspect,
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HDC hdcDraw,
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HDC hicTargetDev,
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DVTARGETDEVICE* ptd,
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DWORD dwMode,
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const SIZEL* psizelExtent,
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LONG* pwidth,
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LONG* pheight)
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{
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ICOM_THIS_MULTI(ITextServicesImpl, lpVtbl, iface);
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FIXME("%p: STUB\n", This);
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return E_NOTIMPL;
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}
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HRESULT WINAPI fnTextSrv_TxGetDropTarget(ITextServices *iface,
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IDropTarget** ppDropTarget)
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{
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ICOM_THIS_MULTI(ITextServicesImpl, lpVtbl, iface);
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FIXME("%p: STUB\n", This);
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return E_NOTIMPL;
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}
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HRESULT WINAPI fnTextSrv_OnTxPropertyBitsChange(ITextServices *iface,
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DWORD dwMask,
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DWORD dwBits)
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{
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ICOM_THIS_MULTI(ITextServicesImpl, lpVtbl, iface);
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FIXME("%p: STUB\n", This);
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return E_NOTIMPL;
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}
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HRESULT WINAPI fnTextSrv_TxGetCachedSize(ITextServices *iface,
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DWORD* pdwWidth,
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DWORD* pdwHeight)
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{
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ICOM_THIS_MULTI(ITextServicesImpl, lpVtbl, iface);
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FIXME("%p: STUB\n", This);
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return E_NOTIMPL;
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}
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DEFINE_THISCALL_WRAPPER(fnTextSrv_TxSendMessage,20)
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DEFINE_THISCALL_WRAPPER(fnTextSrv_TxDraw,52)
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DEFINE_THISCALL_WRAPPER(fnTextSrv_TxGetHScroll,24)
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DEFINE_THISCALL_WRAPPER(fnTextSrv_TxGetVScroll,24)
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DEFINE_THISCALL_WRAPPER(fnTextSrv_OnTxSetCursor,40)
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DEFINE_THISCALL_WRAPPER(fnTextSrv_TxQueryHitPoint,44)
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DEFINE_THISCALL_WRAPPER(fnTextSrv_OnTxInplaceActivate,8)
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DEFINE_THISCALL_WRAPPER(fnTextSrv_OnTxInplaceDeactivate,4)
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DEFINE_THISCALL_WRAPPER(fnTextSrv_OnTxUIActivate,4)
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DEFINE_THISCALL_WRAPPER(fnTextSrv_OnTxUIDeactivate,4)
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DEFINE_THISCALL_WRAPPER(fnTextSrv_TxGetText,8)
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DEFINE_THISCALL_WRAPPER(fnTextSrv_TxSetText,8)
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DEFINE_THISCALL_WRAPPER(fnTextSrv_TxGetCurrentTargetX,8)
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DEFINE_THISCALL_WRAPPER(fnTextSrv_TxGetBaseLinePos,8)
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DEFINE_THISCALL_WRAPPER(fnTextSrv_TxGetNaturalSize,36)
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DEFINE_THISCALL_WRAPPER(fnTextSrv_TxGetDropTarget,8)
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DEFINE_THISCALL_WRAPPER(fnTextSrv_OnTxPropertyBitsChange,12)
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DEFINE_THISCALL_WRAPPER(fnTextSrv_TxGetCachedSize,12)
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static const ITextServicesVtbl textservices_Vtbl =
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{
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fnTextSrv_QueryInterface,
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fnTextSrv_AddRef,
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fnTextSrv_Release,
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THISCALL(fnTextSrv_TxSendMessage),
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THISCALL(fnTextSrv_TxDraw),
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THISCALL(fnTextSrv_TxGetHScroll),
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THISCALL(fnTextSrv_TxGetVScroll),
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THISCALL(fnTextSrv_OnTxSetCursor),
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THISCALL(fnTextSrv_TxQueryHitPoint),
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THISCALL(fnTextSrv_OnTxInplaceActivate),
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THISCALL(fnTextSrv_OnTxInplaceDeactivate),
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THISCALL(fnTextSrv_OnTxUIActivate),
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THISCALL(fnTextSrv_OnTxUIDeactivate),
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THISCALL(fnTextSrv_TxGetText),
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THISCALL(fnTextSrv_TxSetText),
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THISCALL(fnTextSrv_TxGetCurrentTargetX),
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THISCALL(fnTextSrv_TxGetBaseLinePos),
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THISCALL(fnTextSrv_TxGetNaturalSize),
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THISCALL(fnTextSrv_TxGetDropTarget),
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THISCALL(fnTextSrv_OnTxPropertyBitsChange),
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THISCALL(fnTextSrv_TxGetCachedSize)
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};
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