1 /**
2  * This file has no copyright assigned and is placed in the Public Domain.
3  * This file is part of the mingw-w64 runtime package.
4  * No warranty is given; refer to the file DISCLAIMER.PD within this package.
5  */
6 #ifndef _TEXTSERV_H
7 #define _TEXTSERV_H
8 
9 EXTERN_C const IID IID_ITextServices;
10 EXTERN_C const IID IID_ITextHost;
11 
12 #define S_MSG_KEY_IGNORED MAKE_HRESULT(SEVERITY_SUCCESS,FACILITY_ITF,0x201)
13 
14 enum TXTBACKSTYLE {
15   TXTBACK_TRANSPARENT = 0,TXTBACK_OPAQUE
16 };
17 
18 enum TXTHITRESULT {
19   TXTHITRESULT_NOHIT = 0,TXTHITRESULT_TRANSPARENT = 1,TXTHITRESULT_CLOSE = 2,TXTHITRESULT_HIT = 3
20 };
21 
22 enum TXTNATURALSIZE {
23   TXTNS_FITTOCONTENT = 1,TXTNS_ROUNDTOLINE = 2
24 };
25 
26 enum TXTVIEW {
27   TXTVIEW_ACTIVE = 0,TXTVIEW_INACTIVE = -1
28 };
29 
30 enum CHANGETYPE {
31   CN_GENERIC = 0,CN_TEXTCHANGED = 1,CN_NEWUNDO = 2,CN_NEWREDO = 4
32 };
33 
34 struct CHANGENOTIFY {
35   DWORD dwChangeType;
36   void *pvCookieData;
37 };
38 
39 #define TXTBIT_RICHTEXT 1
40 #define TXTBIT_MULTILINE 2
41 #define TXTBIT_READONLY 4
42 #define TXTBIT_SHOWACCELERATOR 8
43 #define TXTBIT_USEPASSWORD 0x10
44 #define TXTBIT_HIDESELECTION 0x20
45 #define TXTBIT_SAVESELECTION 0x40
46 #define TXTBIT_AUTOWORDSEL 0x80
47 #define TXTBIT_VERTICAL 0x100
48 #define TXTBIT_SELBARCHANGE 0x200
49 
50 #define TXTBIT_WORDWRAP 0x400
51 
52 #define TXTBIT_ALLOWBEEP 0x800
53 #define TXTBIT_DISABLEDRAG 0x1000
54 #define TXTBIT_VIEWINSETCHANGE 0x2000
55 #define TXTBIT_BACKSTYLECHANGE 0x4000
56 #define TXTBIT_MAXLENGTHCHANGE 0x8000
57 #define TXTBIT_SCROLLBARCHANGE 0x10000
58 #define TXTBIT_CHARFORMATCHANGE 0x20000
59 #define TXTBIT_PARAFORMATCHANGE 0x40000
60 #define TXTBIT_EXTENTCHANGE 0x80000
61 #define TXTBIT_CLIENTRECTCHANGE 0x100000
62 #define TXTBIT_USECURRENTBKG 0x200000
63 
64 class ITextServices : public IUnknown {
65 public:
66   virtual HRESULT TxSendMessage(UINT msg,WPARAM wparam,LPARAM lparam,LRESULT *plresult) = 0;
67   virtual HRESULT TxDraw(DWORD dwDrawAspect,LONG lindex,void *pvAspect,DVTARGETDEVICE *ptd,HDC hdcDraw,HDC hicTargetDev,LPCRECTL lprcBounds,LPCRECTL lprcWBounds,LPRECT lprcUpdate,WINBOOL (CALLBACK *pfnContinue) (DWORD),DWORD dwContinue,LONG lViewId) = 0;
68   virtual HRESULT TxGetHScroll(LONG *plMin,LONG *plMax,LONG *plPos,LONG *plPage,WINBOOL *pfEnabled) = 0;
69   virtual HRESULT TxGetVScroll(LONG *plMin,LONG *plMax,LONG *plPos,LONG *plPage,WINBOOL *pfEnabled) = 0;
70   virtual HRESULT OnTxSetCursor(DWORD dwDrawAspect,LONG lindex,void *pvAspect,DVTARGETDEVICE *ptd,HDC hdcDraw,HDC hicTargetDev,LPCRECT lprcClient,INT x,INT y) = 0;
71   virtual HRESULT TxQueryHitPoint(DWORD dwDrawAspect,LONG lindex,void *pvAspect,DVTARGETDEVICE *ptd,HDC hdcDraw,HDC hicTargetDev,LPCRECT lprcClient,INT x,INT y,DWORD *pHitResult) = 0;
72   virtual HRESULT OnTxInPlaceActivate(LPCRECT prcClient) = 0;
73   virtual HRESULT OnTxInPlaceDeactivate() = 0;
74   virtual HRESULT OnTxUIActivate() = 0;
75   virtual HRESULT OnTxUIDeactivate() = 0;
76   virtual HRESULT TxGetText(BSTR *pbstrText) = 0;
77   virtual HRESULT TxSetText(LPCWSTR pszText) = 0;
78   virtual HRESULT TxGetCurTargetX(LONG *) = 0;
79   virtual HRESULT TxGetBaseLinePos(LONG *) = 0;
80   virtual HRESULT TxGetNaturalSize(DWORD dwAspect,HDC hdcDraw,HDC hicTargetDev,DVTARGETDEVICE *ptd,DWORD dwMode,const SIZEL *psizelExtent,LONG *pwidth,LONG *pheight) = 0;
81   virtual HRESULT TxGetDropTarget(IDropTarget **ppDropTarget) = 0;
82   virtual HRESULT OnTxPropertyBitsChange(DWORD dwMask,DWORD dwBits) = 0;
83   virtual HRESULT TxGetCachedSize(DWORD *pdwWidth,DWORD *pdwHeight)=0;
84 };
85 
86 class ITextHost : public IUnknown {
87 public:
88   virtual HDC TxGetDC() = 0;
89   virtual INT TxReleaseDC(HDC hdc) = 0;
90   virtual WINBOOL TxShowScrollBar(INT fnBar,WINBOOL fShow) = 0;
91   virtual WINBOOL TxEnableScrollBar (INT fuSBFlags,INT fuArrowflags) = 0;
92   virtual WINBOOL TxSetScrollRange(INT fnBar,LONG nMinPos,INT nMaxPos,WINBOOL fRedraw) = 0;
93   virtual WINBOOL TxSetScrollPos (INT fnBar,INT nPos,WINBOOL fRedraw) = 0;
94   virtual void TxInvalidateRect(LPCRECT prc,WINBOOL fMode) = 0;
95   virtual void TxViewChange(WINBOOL fUpdate) = 0;
96   virtual WINBOOL TxCreateCaret(HBITMAP hbmp,INT xWidth,INT yHeight) = 0;
97   virtual WINBOOL TxShowCaret(WINBOOL fShow) = 0;
98   virtual WINBOOL TxSetCaretPos(INT x,INT y) = 0;
99   virtual WINBOOL TxSetTimer(UINT idTimer,UINT uTimeout) = 0;
100   virtual void TxKillTimer(UINT idTimer) = 0;
101   virtual void TxScrollWindowEx (INT dx,INT dy,LPCRECT lprcScroll,LPCRECT lprcClip,HRGN hrgnUpdate,LPRECT lprcUpdate,UINT fuScroll) = 0;
102   virtual void TxSetCapture(WINBOOL fCapture) = 0;
103   virtual void TxSetFocus() = 0;
104   virtual void TxSetCursor(HCURSOR hcur,WINBOOL fText) = 0;
105   virtual WINBOOL TxScreenToClient (LPPOINT lppt) = 0;
106   virtual WINBOOL TxClientToScreen (LPPOINT lppt) = 0;
107   virtual HRESULT TxActivate(LONG *plOldState) = 0;
108   virtual HRESULT TxDeactivate(LONG lNewState) = 0;
109   virtual HRESULT TxGetClientRect(LPRECT prc) = 0;
110   virtual HRESULT TxGetViewInset(LPRECT prc) = 0;
111   virtual HRESULT TxGetCharFormat(const CHARFORMATW **ppCF) = 0;
112   virtual HRESULT TxGetParaFormat(const PARAFORMAT **ppPF) = 0;
113   virtual COLORREF TxGetSysColor(int nIndex) = 0;
114   virtual HRESULT TxGetBackStyle(TXTBACKSTYLE *pstyle) = 0;
115   virtual HRESULT TxGetMaxLength(DWORD *plength) = 0;
116   virtual HRESULT TxGetScrollBars(DWORD *pdwScrollBar) = 0;
117   virtual HRESULT TxGetPasswordChar(TCHAR *pch) = 0;
118   virtual HRESULT TxGetAcceleratorPos(LONG *pcp) = 0;
119   virtual HRESULT TxGetExtent(LPSIZEL lpExtent) = 0;
120   virtual HRESULT OnTxCharFormatChange (const CHARFORMATW *pcf) = 0;
121   virtual HRESULT OnTxParaFormatChange (const PARAFORMAT *ppf) = 0;
122   virtual HRESULT TxGetPropertyBits(DWORD dwMask,DWORD *pdwBits) = 0;
123   virtual HRESULT TxNotify(DWORD iNotify,void *pv) = 0;
124   virtual HIMC TxImmGetContext() = 0;
125   virtual void TxImmReleaseContext(HIMC himc) = 0;
126   virtual HRESULT TxGetSelectionBarWidth (LONG *lSelBarWidth) = 0;
127 };
128 
129 STDAPI CreateTextServices(IUnknown *punkOuter,ITextHost *pITextHost,IUnknown **ppUnk);
130 typedef HRESULT (WINAPI *PCreateTextServices)(IUnknown *punkOuter,ITextHost *pITextHost,IUnknown **ppUnk);
131 #endif
132