421 lines
12 KiB
OpenEdge ABL
421 lines
12 KiB
OpenEdge ABL
|
/* @doc EXTERNAL
|
||
|
|
*
|
||
|
|
* Copyright (c) Microsoft Corporation. All rights reserved.
|
||
|
|
*
|
||
|
|
* @module TEXTSRV.H Text Service Interface |
|
||
|
|
*
|
||
|
|
* Define interfaces between the Text Services component and the host
|
||
|
|
*
|
||
|
|
* Original Author: <nl>
|
||
|
|
* Christian Fortini
|
||
|
|
*
|
||
|
|
* History: <nl>
|
||
|
|
* 8/1/95 ricksa Revised interface definition
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef _TEXTSERV_H
|
||
|
|
#define _TEXTSERV_H
|
||
|
|
|
||
|
|
#if _MSC_VER > 1000
|
||
|
|
#pragma once
|
||
|
|
#endif
|
||
|
|
|
||
|
|
EXTERN_C const IID IID_ITextServices;
|
||
|
|
EXTERN_C const IID IID_ITextHost;
|
||
|
|
|
||
|
|
// Note: error code is first outside of range reserved for OLE.
|
||
|
|
#define S_MSG_KEY_IGNORED \
|
||
|
|
MAKE_HRESULT(SEVERITY_SUCCESS, FACILITY_ITF, 0x201)
|
||
|
|
|
||
|
|
// Enums used by property methods
|
||
|
|
|
||
|
|
/*
|
||
|
|
* TXTBACKSTYLE
|
||
|
|
*
|
||
|
|
* @enum Defines different background styles control
|
||
|
|
*/
|
||
|
|
enum TXTBACKSTYLE {
|
||
|
|
TXTBACK_TRANSPARENT = 0, //@emem background should show through
|
||
|
|
TXTBACK_OPAQUE, //@emem erase background
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
* TXTHITRESULT
|
||
|
|
*
|
||
|
|
* @enum Defines different hitresults
|
||
|
|
*/
|
||
|
|
enum TXTHITRESULT {
|
||
|
|
TXTHITRESULT_NOHIT = 0, //@emem no hit
|
||
|
|
TXTHITRESULT_TRANSPARENT = 1, //@emem point is within the text's rectangle, but
|
||
|
|
//in a transparent region
|
||
|
|
TXTHITRESULT_CLOSE = 2, //@emem point is close to the text
|
||
|
|
TXTHITRESULT_HIT = 3 //@emem dead-on hit
|
||
|
|
};
|
||
|
|
|
||
|
|
/*
|
||
|
|
* TXTNATURALSIZE
|
||
|
|
*
|
||
|
|
* @enum useful values for TxGetNaturalSize.
|
||
|
|
*
|
||
|
|
* @xref <mf CTxtEdit::TxGetNaturalSize>
|
||
|
|
*/
|
||
|
|
enum TXTNATURALSIZE {
|
||
|
|
TXTNS_FITTOCONTENT = 1, //@emem Get a size that fits the content
|
||
|
|
TXTNS_ROUNDTOLINE = 2 //@emem Round to the nearest whole line.
|
||
|
|
};
|
||
|
|
|
||
|
|
/*
|
||
|
|
* TXTVIEW
|
||
|
|
*
|
||
|
|
* @enum useful values for TxDraw lViewId parameter
|
||
|
|
*
|
||
|
|
* @xref <mf CTxtEdit::TxDraw>
|
||
|
|
*/
|
||
|
|
enum TXTVIEW {
|
||
|
|
TXTVIEW_ACTIVE = 0,
|
||
|
|
TXTVIEW_INACTIVE = -1
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
* CHANGETYPE
|
||
|
|
*
|
||
|
|
* @enum used for CHANGENOTIFY.dwChangeType; indicates what happened
|
||
|
|
* for a particular change.
|
||
|
|
*/
|
||
|
|
enum CHANGETYPE
|
||
|
|
{
|
||
|
|
CN_GENERIC = 0, //@emem Nothing special happened
|
||
|
|
CN_TEXTCHANGED = 1, //@emem the text changed
|
||
|
|
CN_NEWUNDO = 2, //@emem A new undo action was added
|
||
|
|
CN_NEWREDO = 4 //@emem A new redo action was added
|
||
|
|
};
|
||
|
|
|
||
|
|
/*
|
||
|
|
* @struct CHANGENOTIFY |
|
||
|
|
*
|
||
|
|
* passed during an EN_CHANGE notification; contains information about
|
||
|
|
* what actually happened for a change.
|
||
|
|
*/
|
||
|
|
struct CHANGENOTIFY {
|
||
|
|
DWORD dwChangeType; //@field TEXT changed, etc
|
||
|
|
void * pvCookieData; //@field cookie for the undo action
|
||
|
|
// associated with the change.
|
||
|
|
};
|
||
|
|
|
||
|
|
// The TxGetPropertyBits and OnTxPropertyBitsChange methods can pass the following bits:
|
||
|
|
|
||
|
|
// NB!!! Do NOT rely on the ordering of these bits yet; the are subject
|
||
|
|
// to change.
|
||
|
|
#define TXTBIT_RICHTEXT 1 // rich-text control
|
||
|
|
#define TXTBIT_MULTILINE 2 // single vs multi-line control
|
||
|
|
#define TXTBIT_READONLY 4 // read only text
|
||
|
|
#define TXTBIT_SHOWACCELERATOR 8 // underline accelerator character
|
||
|
|
#define TXTBIT_USEPASSWORD 0x10 // use password char to display text
|
||
|
|
#define TXTBIT_HIDESELECTION 0x20 // show selection when inactive
|
||
|
|
#define TXTBIT_SAVESELECTION 0x40 // remember selection when inactive
|
||
|
|
#define TXTBIT_AUTOWORDSEL 0x80 // auto-word selection
|
||
|
|
#define TXTBIT_VERTICAL 0x100 // vertical
|
||
|
|
#define TXTBIT_SELBARCHANGE 0x200 // notification that the selection bar width
|
||
|
|
// has changed.
|
||
|
|
// FUTURE: move this bit to the end to
|
||
|
|
// maintain the division between
|
||
|
|
// properties and notifications.
|
||
|
|
#define TXTBIT_WORDWRAP 0x400 // if set, then multi-line controls
|
||
|
|
// should wrap words to fit the available
|
||
|
|
// display
|
||
|
|
#define TXTBIT_ALLOWBEEP 0x800 // enable/disable beeping
|
||
|
|
#define TXTBIT_DISABLEDRAG 0x1000 // disable/enable dragging
|
||
|
|
#define TXTBIT_VIEWINSETCHANGE 0x2000 // the inset changed
|
||
|
|
#define TXTBIT_BACKSTYLECHANGE 0x4000
|
||
|
|
#define TXTBIT_MAXLENGTHCHANGE 0x8000
|
||
|
|
#define TXTBIT_SCROLLBARCHANGE 0x10000
|
||
|
|
#define TXTBIT_CHARFORMATCHANGE 0x20000
|
||
|
|
#define TXTBIT_PARAFORMATCHANGE 0x40000
|
||
|
|
#define TXTBIT_EXTENTCHANGE 0x80000
|
||
|
|
#define TXTBIT_CLIENTRECTCHANGE 0x100000 // the client rectangle changed
|
||
|
|
#define TXTBIT_USECURRENTBKG 0x200000 // tells the renderer to use the current background
|
||
|
|
// color rather than the system default for an entire line
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
* ITextServices
|
||
|
|
*
|
||
|
|
* @class An interface extending Microsoft's Text Object Model to provide
|
||
|
|
* extra functionality for windowless operation. In conjunction
|
||
|
|
* with ITextHost, ITextServices provides the means by which the
|
||
|
|
* the RichEdit control can be used *without* creating a window.
|
||
|
|
*
|
||
|
|
* @base public | IUnknown
|
||
|
|
*/
|
||
|
|
class ITextServices : public IUnknown
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
|
||
|
|
//@cmember Generic Send Message interface
|
||
|
|
virtual HRESULT TxSendMessage(
|
||
|
|
UINT msg,
|
||
|
|
WPARAM wparam,
|
||
|
|
LPARAM lparam,
|
||
|
|
LRESULT *plresult) = 0;
|
||
|
|
|
||
|
|
//@cmember Rendering
|
||
|
|
virtual HRESULT TxDraw(
|
||
|
|
DWORD dwDrawAspect,
|
||
|
|
LONG lindex,
|
||
|
|
void * pvAspect,
|
||
|
|
DVTARGETDEVICE * ptd,
|
||
|
|
HDC hdcDraw,
|
||
|
|
HDC hicTargetDev,
|
||
|
|
LPCRECTL lprcBounds,
|
||
|
|
LPCRECTL lprcWBounds,
|
||
|
|
LPRECT lprcUpdate,
|
||
|
|
BOOL (CALLBACK * pfnContinue) (DWORD),
|
||
|
|
DWORD dwContinue,
|
||
|
|
LONG lViewId) = 0;
|
||
|
|
|
||
|
|
//@cmember Horizontal scrollbar support
|
||
|
|
virtual HRESULT TxGetHScroll(
|
||
|
|
LONG *plMin,
|
||
|
|
LONG *plMax,
|
||
|
|
LONG *plPos,
|
||
|
|
LONG *plPage,
|
||
|
|
BOOL * pfEnabled ) = 0;
|
||
|
|
|
||
|
|
//@cmember Horizontal scrollbar support
|
||
|
|
virtual HRESULT TxGetVScroll(
|
||
|
|
LONG *plMin,
|
||
|
|
LONG *plMax,
|
||
|
|
LONG *plPos,
|
||
|
|
LONG *plPage,
|
||
|
|
BOOL * pfEnabled ) = 0;
|
||
|
|
|
||
|
|
//@cmember Setcursor
|
||
|
|
virtual HRESULT OnTxSetCursor(
|
||
|
|
DWORD dwDrawAspect,
|
||
|
|
LONG lindex,
|
||
|
|
void * pvAspect,
|
||
|
|
DVTARGETDEVICE * ptd,
|
||
|
|
HDC hdcDraw,
|
||
|
|
HDC hicTargetDev,
|
||
|
|
LPCRECT lprcClient,
|
||
|
|
INT x,
|
||
|
|
INT y) = 0;
|
||
|
|
|
||
|
|
//@cmember Hit-test
|
||
|
|
virtual HRESULT TxQueryHitPoint(
|
||
|
|
DWORD dwDrawAspect,
|
||
|
|
LONG lindex,
|
||
|
|
void * pvAspect,
|
||
|
|
DVTARGETDEVICE * ptd,
|
||
|
|
HDC hdcDraw,
|
||
|
|
HDC hicTargetDev,
|
||
|
|
LPCRECT lprcClient,
|
||
|
|
INT x,
|
||
|
|
INT y,
|
||
|
|
DWORD * pHitResult) = 0;
|
||
|
|
|
||
|
|
//@cmember Inplace activate notification
|
||
|
|
virtual HRESULT OnTxInPlaceActivate(LPCRECT prcClient) = 0;
|
||
|
|
|
||
|
|
//@cmember Inplace deactivate notification
|
||
|
|
virtual HRESULT OnTxInPlaceDeactivate() = 0;
|
||
|
|
|
||
|
|
//@cmember UI activate notification
|
||
|
|
virtual HRESULT OnTxUIActivate() = 0;
|
||
|
|
|
||
|
|
//@cmember UI deactivate notification
|
||
|
|
virtual HRESULT OnTxUIDeactivate() = 0;
|
||
|
|
|
||
|
|
//@cmember Get text in control
|
||
|
|
virtual HRESULT TxGetText(BSTR *pbstrText) = 0;
|
||
|
|
|
||
|
|
//@cmember Set text in control
|
||
|
|
virtual HRESULT TxSetText(LPCWSTR pszText) = 0;
|
||
|
|
|
||
|
|
//@cmember Get x position of
|
||
|
|
virtual HRESULT TxGetCurTargetX(LONG *) = 0;
|
||
|
|
//@cmember Get baseline position
|
||
|
|
virtual HRESULT TxGetBaseLinePos(LONG *) = 0;
|
||
|
|
|
||
|
|
//@cmember Get Size to fit / Natural size
|
||
|
|
virtual HRESULT TxGetNaturalSize(
|
||
|
|
DWORD dwAspect,
|
||
|
|
HDC hdcDraw,
|
||
|
|
HDC hicTargetDev,
|
||
|
|
DVTARGETDEVICE *ptd,
|
||
|
|
DWORD dwMode,
|
||
|
|
const SIZEL *psizelExtent,
|
||
|
|
LONG *pwidth,
|
||
|
|
LONG *pheight) = 0;
|
||
|
|
|
||
|
|
//@cmember Drag & drop
|
||
|
|
virtual HRESULT TxGetDropTarget( IDropTarget **ppDropTarget ) = 0;
|
||
|
|
|
||
|
|
//@cmember Bulk bit property change notifications
|
||
|
|
virtual HRESULT OnTxPropertyBitsChange(DWORD dwMask, DWORD dwBits) = 0;
|
||
|
|
|
||
|
|
//@cmember Fetch the cached drawing size
|
||
|
|
virtual HRESULT TxGetCachedSize(DWORD *pdwWidth, DWORD *pdwHeight)=0;
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
* ITextHost
|
||
|
|
*
|
||
|
|
* @class Interface to be used by text services to obtain text host services
|
||
|
|
*
|
||
|
|
* @base public | IUnknown
|
||
|
|
*/
|
||
|
|
class ITextHost : public IUnknown
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
|
||
|
|
//@cmember Get the DC for the host
|
||
|
|
virtual HDC TxGetDC() = 0;
|
||
|
|
|
||
|
|
//@cmember Release the DC gotten from the host
|
||
|
|
virtual INT TxReleaseDC(HDC hdc) = 0;
|
||
|
|
|
||
|
|
//@cmember Show the scroll bar
|
||
|
|
virtual BOOL TxShowScrollBar(INT fnBar, BOOL fShow) = 0;
|
||
|
|
|
||
|
|
//@cmember Enable the scroll bar
|
||
|
|
virtual BOOL TxEnableScrollBar (INT fuSBFlags, INT fuArrowflags) = 0;
|
||
|
|
|
||
|
|
//@cmember Set the scroll range
|
||
|
|
virtual BOOL TxSetScrollRange(
|
||
|
|
INT fnBar,
|
||
|
|
LONG nMinPos,
|
||
|
|
INT nMaxPos,
|
||
|
|
BOOL fRedraw) = 0;
|
||
|
|
|
||
|
|
//@cmember Set the scroll position
|
||
|
|
virtual BOOL TxSetScrollPos (INT fnBar, INT nPos, BOOL fRedraw) = 0;
|
||
|
|
|
||
|
|
//@cmember InvalidateRect
|
||
|
|
virtual void TxInvalidateRect(LPCRECT prc, BOOL fMode) = 0;
|
||
|
|
|
||
|
|
//@cmember Send a WM_PAINT to the window
|
||
|
|
virtual void TxViewChange(BOOL fUpdate) = 0;
|
||
|
|
|
||
|
|
//@cmember Create the caret
|
||
|
|
virtual BOOL TxCreateCaret(HBITMAP hbmp, INT xWidth, INT yHeight) = 0;
|
||
|
|
|
||
|
|
//@cmember Show the caret
|
||
|
|
virtual BOOL TxShowCaret(BOOL fShow) = 0;
|
||
|
|
|
||
|
|
//@cmember Set the caret position
|
||
|
|
virtual BOOL TxSetCaretPos(INT x, INT y) = 0;
|
||
|
|
|
||
|
|
//@cmember Create a timer with the specified timeout
|
||
|
|
virtual BOOL TxSetTimer(UINT idTimer, UINT uTimeout) = 0;
|
||
|
|
|
||
|
|
//@cmember Destroy a timer
|
||
|
|
virtual void TxKillTimer(UINT idTimer) = 0;
|
||
|
|
|
||
|
|
//@cmember Scroll the content of the specified window's client area
|
||
|
|
virtual void TxScrollWindowEx (
|
||
|
|
INT dx,
|
||
|
|
INT dy,
|
||
|
|
LPCRECT lprcScroll,
|
||
|
|
LPCRECT lprcClip,
|
||
|
|
HRGN hrgnUpdate,
|
||
|
|
LPRECT lprcUpdate,
|
||
|
|
UINT fuScroll) = 0;
|
||
|
|
|
||
|
|
//@cmember Get mouse capture
|
||
|
|
virtual void TxSetCapture(BOOL fCapture) = 0;
|
||
|
|
|
||
|
|
//@cmember Set the focus to the text window
|
||
|
|
virtual void TxSetFocus() = 0;
|
||
|
|
|
||
|
|
//@cmember Establish a new cursor shape
|
||
|
|
virtual void TxSetCursor(HCURSOR hcur, BOOL fText) = 0;
|
||
|
|
|
||
|
|
//@cmember Converts screen coordinates of a specified point to the client coordinates
|
||
|
|
virtual BOOL TxScreenToClient (LPPOINT lppt) = 0;
|
||
|
|
|
||
|
|
//@cmember Converts the client coordinates of a specified point to screen coordinates
|
||
|
|
virtual BOOL TxClientToScreen (LPPOINT lppt) = 0;
|
||
|
|
|
||
|
|
//@cmember Request host to activate text services
|
||
|
|
virtual HRESULT TxActivate( LONG * plOldState ) = 0;
|
||
|
|
|
||
|
|
//@cmember Request host to deactivate text services
|
||
|
|
virtual HRESULT TxDeactivate( LONG lNewState ) = 0;
|
||
|
|
|
||
|
|
//@cmember Retrieves the coordinates of a window's client area
|
||
|
|
virtual HRESULT TxGetClientRect(LPRECT prc) = 0;
|
||
|
|
|
||
|
|
//@cmember Get the view rectangle relative to the inset
|
||
|
|
virtual HRESULT TxGetViewInset(LPRECT prc) = 0;
|
||
|
|
|
||
|
|
//@cmember Get the default character format for the text
|
||
|
|
virtual HRESULT TxGetCharFormat(const CHARFORMATW **ppCF ) = 0;
|
||
|
|
|
||
|
|
//@cmember Get the default paragraph format for the text
|
||
|
|
virtual HRESULT TxGetParaFormat(const PARAFORMAT **ppPF) = 0;
|
||
|
|
|
||
|
|
//@cmember Get the background color for the window
|
||
|
|
virtual COLORREF TxGetSysColor(int nIndex) = 0;
|
||
|
|
|
||
|
|
//@cmember Get the background (either opaque or transparent)
|
||
|
|
virtual HRESULT TxGetBackStyle(TXTBACKSTYLE *pstyle) = 0;
|
||
|
|
|
||
|
|
//@cmember Get the maximum length for the text
|
||
|
|
virtual HRESULT TxGetMaxLength(DWORD *plength) = 0;
|
||
|
|
|
||
|
|
//@cmember Get the bits representing requested scroll bars for the window
|
||
|
|
virtual HRESULT TxGetScrollBars(DWORD *pdwScrollBar) = 0;
|
||
|
|
|
||
|
|
//@cmember Get the character to display for password input
|
||
|
|
virtual HRESULT TxGetPasswordChar(TCHAR *pch) = 0;
|
||
|
|
|
||
|
|
//@cmember Get the accelerator character
|
||
|
|
virtual HRESULT TxGetAcceleratorPos(LONG *pcp) = 0;
|
||
|
|
|
||
|
|
//@cmember Get the native size
|
||
|
|
virtual HRESULT TxGetExtent(LPSIZEL lpExtent) = 0;
|
||
|
|
|
||
|
|
//@cmember Notify host that default character format has changed
|
||
|
|
virtual HRESULT OnTxCharFormatChange (const CHARFORMATW * pcf) = 0;
|
||
|
|
|
||
|
|
//@cmember Notify host that default paragraph format has changed
|
||
|
|
virtual HRESULT OnTxParaFormatChange (const PARAFORMAT * ppf) = 0;
|
||
|
|
|
||
|
|
//@cmember Bulk access to bit properties
|
||
|
|
virtual HRESULT TxGetPropertyBits(DWORD dwMask, DWORD *pdwBits) = 0;
|
||
|
|
|
||
|
|
//@cmember Notify host of events
|
||
|
|
virtual HRESULT TxNotify(DWORD iNotify, void *pv) = 0;
|
||
|
|
|
||
|
|
// Far East Methods for getting the Input Context
|
||
|
|
//#ifdef WIN95_IME
|
||
|
|
virtual HIMC TxImmGetContext() = 0;
|
||
|
|
virtual void TxImmReleaseContext( HIMC himc ) = 0;
|
||
|
|
//#endif
|
||
|
|
|
||
|
|
//@cmember Returns HIMETRIC size of the control bar.
|
||
|
|
virtual HRESULT TxGetSelectionBarWidth (LONG *lSelBarWidth) = 0;
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
//+-----------------------------------------------------------------------
|
||
|
|
// Factories
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
|
||
|
|
// Text Services factory
|
||
|
|
STDAPI CreateTextServices(
|
||
|
|
IUnknown *punkOuter,
|
||
|
|
ITextHost *pITextHost,
|
||
|
|
IUnknown **ppUnk);
|
||
|
|
|
||
|
|
typedef HRESULT (STDAPICALLTYPE * PCreateTextServices)(
|
||
|
|
IUnknown *punkOuter,
|
||
|
|
ITextHost *pITextHost,
|
||
|
|
IUnknown **ppUnk);
|
||
|
|
|
||
|
|
#endif // _TEXTSERV_H
|