dlls/riched20/editor.h

   1 /*
   2  * RichEdit - prototypes for functions and macro definitions
   3  *
   4  * Copyright 2004 by Krzysztof Foltman
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "editstr.h"
  22 #include "wine/unicode.h"
  23
  24 extern HANDLE me_heap;
  25
  26 static inline void *richedit_alloc( size_t len )
  27 {
  28     return HeapAlloc( me_heap, 0, len );
  29 }
  30
  31 static inline BOOL richedit_free( void *ptr )
  32 {
  33     return HeapFree( me_heap, 0, ptr );
  34 }
  35
  36 static inline void *richedit_realloc( void *ptr, size_t len )
  37 {
  38     return HeapReAlloc( me_heap, 0, ptr, len );
  39 }
  40
  41 #define ALLOC_OBJ(type) richedit_alloc(sizeof(type))
  42 #define ALLOC_N_OBJ(type, count) richedit_alloc((count)*sizeof(type))
  43 #define FREE_OBJ(ptr) richedit_free(ptr)
  44
  45 #define RUN_IS_HIDDEN(run) ((run)->style->fmt.dwMask & CFM_HIDDEN \
  46                              && (run)->style->fmt.dwEffects & CFE_HIDDEN)
  47
  48 #define InitFormatEtc(fe, cf, med) \
  49         {\
  50         (fe).cfFormat=cf;\
  51         (fe).dwAspect=DVASPECT_CONTENT;\
  52         (fe).ptd=NULL;\
  53         (fe).tymed=med;\
  54         (fe).lindex=-1;\
  55         };
  56
  57 /* style.c */
  58 ME_Style *ME_MakeStyle(CHARFORMAT2W *style);
  59 void ME_AddRefStyle(ME_Style *item);
  60 void ME_ReleaseStyle(ME_Style *item);
  61 ME_Style *ME_GetInsertStyle(ME_TextEditor *editor, int nCursor);
  62 ME_Style *ME_ApplyStyle(ME_Style *sSrc, CHARFORMAT2W *style);
  63 HFONT ME_SelectStyleFont(ME_TextEditor *editor, HDC hDC, ME_Style *s);
  64 void ME_UnselectStyleFont(ME_TextEditor *editor, HDC hDC, ME_Style *s, HFONT hOldFont);
  65 void ME_InitCharFormat2W(CHARFORMAT2W *pFmt);
  66 void ME_SaveTempStyle(ME_TextEditor *editor);
  67 void ME_ClearTempStyle(ME_TextEditor *editor);
  68 void ME_DumpStyleToBuf(CHARFORMAT2W *pFmt, char buf[2048]);
  69 void ME_DumpStyle(ME_Style *s);
  70 CHARFORMAT2W *ME_ToCF2W(CHARFORMAT2W *to, CHARFORMAT2W *from);
  71 void ME_CopyToCF2W(CHARFORMAT2W *to, CHARFORMAT2W *from);
  72 CHARFORMAT2W *ME_ToCFAny(CHARFORMAT2W *to, CHARFORMAT2W *from);
  73 void ME_CopyToCFAny(CHARFORMAT2W *to, CHARFORMAT2W *from);
  74 void ME_CopyCharFormat(CHARFORMAT2W *pDest, CHARFORMAT2W *pSrc); /* only works with 2W structs */
  75 void ME_CharFormatFromLogFont(HDC hDC, LOGFONTW *lf, CHARFORMAT2W *fmt); /* ditto */
  76
  77 /* list.c */
  78 void ME_InsertBefore(ME_DisplayItem *diWhere, ME_DisplayItem *diWhat);
  79 void ME_Remove(ME_DisplayItem *diWhere);
  80 ME_DisplayItem *ME_FindItemBack(ME_DisplayItem *di, ME_DIType nTypeOrClass);
  81 ME_DisplayItem *ME_FindItemFwd(ME_DisplayItem *di, ME_DIType nTypeOrClass);
  82 ME_DisplayItem *ME_FindItemBackOrHere(ME_DisplayItem *di, ME_DIType nTypeOrClass);
  83 ME_DisplayItem *ME_FindItemFwdOrHere(ME_DisplayItem *di, ME_DIType nTypeOrClass);
  84 BOOL ME_DITypesEqual(ME_DIType type, ME_DIType nTypeOrClass);
  85 ME_DisplayItem *ME_MakeDI(ME_DIType type);
  86 void ME_DestroyDisplayItem(ME_DisplayItem *item);
  87 void ME_DestroyTableCellList(ME_DisplayItem *item);
  88 void ME_DumpDocument(ME_TextBuffer *buffer);
  89 const char *ME_GetDITypeName(ME_DIType type);
  90
  91 /* string.c */
  92 int ME_GetOptimalBuffer(int nLen);
  93 ME_String *ME_MakeString(LPCWSTR szText);
  94 ME_String *ME_MakeStringN(LPCWSTR szText, int nMaxChars);
  95 ME_String *ME_MakeStringR(WCHAR cRepeat, int nMaxChars);
  96 ME_String *ME_MakeStringB(int nMaxChars);
  97 ME_String *ME_StrDup(ME_String *s);
  98 void ME_DestroyString(ME_String *s);
  99 void ME_AppendString(ME_String *s1, ME_String *s2);
 100 ME_String *ME_ConcatString(ME_String *s1, ME_String *s2);
 101 ME_String *ME_VSplitString(ME_String *orig, int nVPos);
 102 int ME_IsWhitespaces(ME_String *s);
 103 int ME_IsSplitable(ME_String *s);
 104 /* int ME_CalcSkipChars(ME_String *s); */
 105 int ME_StrLen(ME_String *s);
 106 int ME_StrVLen(ME_String *s);
 107 int ME_FindNonWhitespaceV(ME_String *s, int nVChar);
 108 int ME_FindWhitespaceV(ME_String *s, int nVChar);
 109 int ME_CallWordBreakProc(ME_TextEditor *editor, ME_String *str, INT start, INT code);
 110 int ME_GetCharFwd(ME_String *s, int nPos); /* get char starting from start */
 111 int ME_GetCharBack(ME_String *s, int nPos); /* get char starting from \0  */
 112 int ME_StrRelPos(ME_String *s, int nVChar, int *pRelChars);
 113 int ME_StrRelPos2(ME_String *s, int nVChar, int nRelChars);
 114 int ME_VPosToPos(ME_String *s, int nVPos);
 115 int ME_PosToVPos(ME_String *s, int nPos);
 116 void ME_StrDeleteV(ME_String *s, int nVChar, int nChars);
 117 /* smart helpers for A<->W conversions, they reserve/free memory and call MultiByte<->WideChar functions */
 118 LPWSTR ME_ToUnicode(HWND hWnd, LPVOID psz);
 119 void ME_EndToUnicode(HWND hWnd, LPVOID psz);
 120 LPSTR ME_ToAnsi(HWND hWnd, LPVOID psz);
 121 void ME_EndToAnsi(HWND hWnd, LPVOID psz);
 122
 123 static inline int ME_IsWSpace(WCHAR ch)
 124 {
 125   return ch > '\0' && ch <= ' ';
 126 }
 127
 128 static inline int ME_CharCompare(WCHAR a, WCHAR b, int caseSensitive)
 129 {
 130   return caseSensitive ? (a == b) : (toupperW(a) == toupperW(b));
 131 }
 132
 133 /* note: those two really return the first matching offset (starting from EOS)+1
 134  * in other words, an offset of the first trailing white/black */
 135 int ME_ReverseFindNonWhitespaceV(ME_String *s, int nVChar);
 136 int ME_ReverseFindWhitespaceV(ME_String *s, int nVChar);
 137
 138 /* row.c */
 139 ME_DisplayItem *ME_FindRowStart(ME_Context *c, ME_DisplayItem *run, int nRelPos);
 140 ME_DisplayItem *ME_RowStart(ME_DisplayItem *item);
 141 /* ME_DisplayItem *ME_RowEnd(ME_DisplayItem *item); */
 142 void ME_RenumberParagraphs(ME_DisplayItem *item); /* TODO */
 143 ME_DisplayItem *ME_FindRowWithNumber(ME_TextEditor *editor, int nRow);
 144 int ME_RowNumberFromCharOfs(ME_TextEditor *editor, int nOfs);
 145
 146 /* run.c */
 147 ME_DisplayItem *ME_MakeRun(ME_Style *s, ME_String *strData, int nFlags);
 148 /* note: ME_InsertRun inserts a copy of the specified run - so you need to destroy the original */
 149 ME_DisplayItem *ME_InsertRun(ME_TextEditor *editor, int nCharOfs, ME_DisplayItem *pItem);
 150 ME_DisplayItem *ME_InsertRunAtCursor(ME_TextEditor *editor, ME_Cursor *cursor,
 151                                      ME_Style *style, const WCHAR *str, int len, int flags);
 152 void ME_CheckCharOffsets(ME_TextEditor *editor);
 153 void ME_PropagateCharOffset(ME_DisplayItem *p, int shift);
 154 void ME_GetGraphicsSize(ME_TextEditor *editor, ME_Run *run, SIZE *pSize);
 155 int ME_CharFromPoint(ME_TextEditor *editor, int cx, ME_Run *run);
 156 /* this one accounts for 1/2 char tolerance */
 157 int ME_CharFromPointCursor(ME_TextEditor *editor, int cx, ME_Run *run);
 158 int ME_PointFromChar(ME_TextEditor *editor, ME_Run *pRun, int nOffset);
 159 int ME_GetLastSplittablePlace(ME_Context *c, ME_Run *run);
 160 int ME_CanJoinRuns(ME_Run *run1, ME_Run *run2);
 161 void ME_JoinRuns(ME_TextEditor *editor, ME_DisplayItem *p);
 162 ME_DisplayItem *ME_SplitRun(ME_Context *c, ME_DisplayItem *item, int nChar);
 163 ME_DisplayItem *ME_SplitRunSimple(ME_TextEditor *editor, ME_DisplayItem *item, int nChar);
 164 int ME_FindSplitPoint(ME_Context *c, POINT *pt, ME_Run *run, int desperate);
 165 void ME_UpdateRunFlags(ME_TextEditor *editor, ME_Run *run);
 166 ME_DisplayItem *ME_SplitFurther(ME_TextEditor *editor, ME_DisplayItem *run);
 167 void ME_CalcRunExtent(ME_Context *c, ME_Paragraph *para, ME_Run *run);
 168 SIZE ME_GetRunSize(ME_Context *c, ME_Paragraph *para, ME_Run *run, int nLen);
 169 void ME_CursorFromCharOfs(ME_TextEditor *editor, int nCharOfs, ME_Cursor *pCursor);
 170 void ME_RunOfsFromCharOfs(ME_TextEditor *editor, int nCharOfs, ME_DisplayItem **ppRun, int *pOfs);
 171 int ME_CharOfsFromRunOfs(ME_TextEditor *editor, ME_DisplayItem *pRun, int nOfs);
 172 void ME_SkipAndPropagateCharOffset(ME_DisplayItem *p, int shift);
 173 void ME_SetCharFormat(ME_TextEditor *editor, int nFrom, int nLen, CHARFORMAT2W *pFmt);
 174 void ME_SetSelectionCharFormat(ME_TextEditor *editor, CHARFORMAT2W *pFmt);
 175 void ME_GetCharFormat(ME_TextEditor *editor, int nFrom, int nLen, CHARFORMAT2W *pFmt);
 176 void ME_GetSelectionCharFormat(ME_TextEditor *editor, CHARFORMAT2W *pFmt);
 177 void ME_GetDefaultCharFormat(ME_TextEditor *editor, CHARFORMAT2W *pFmt);
 178 void ME_SetDefaultCharFormat(ME_TextEditor *editor, CHARFORMAT2W *mod);
 179
 180 /* caret.c */
 181 void ME_SetSelection(ME_TextEditor *editor, int from, int to);
 182 void ME_SelectWord(ME_TextEditor *editor);
 183 void ME_HideCaret(ME_TextEditor *ed);
 184 void ME_ShowCaret(ME_TextEditor *ed);
 185 void ME_MoveCaret(ME_TextEditor *ed);
 186 int ME_FindPixelPos(ME_TextEditor *editor, int x, int y, ME_Cursor *result, BOOL *is_eol);
 187 int ME_CharFromPos(ME_TextEditor *editor, int x, int y);
 188 void ME_LButtonDown(ME_TextEditor *editor, int x, int y);
 189 void ME_MouseMove(ME_TextEditor *editor, int x, int y);
 190 void ME_DeleteTextAtCursor(ME_TextEditor *editor, int nCursor, int nChars);
 191 void ME_InsertTextFromCursor(ME_TextEditor *editor, int nCursor,
 192                              const WCHAR *str, int len, ME_Style *style);
 193 BOOL ME_ArrowKey(ME_TextEditor *ed, int nVKey, BOOL extend, BOOL ctrl);
 194
 195 void ME_InitContext(ME_Context *c, ME_TextEditor *editor, HDC hDC);
 196 void ME_DestroyContext(ME_Context *c);
 197 ME_Style *GetInsertStyle(ME_TextEditor *editor, int nCursor);
 198 void ME_MustBeWrapped(ME_Context *c, ME_DisplayItem *para);
 199 void ME_GetCursorCoordinates(ME_TextEditor *editor, ME_Cursor *pCursor,
 200                              int *x, int *y, int *height);
 201 int ME_GetCursorOfs(ME_TextEditor *editor, int nCursor);
 202 void ME_GetSelection(ME_TextEditor *editor, int *from, int *to);
 203 int ME_CountParagraphsBetween(ME_TextEditor *editor, int from, int to);
 204 BOOL ME_IsSelection(ME_TextEditor *editor);
 205 void ME_DeleteSelection(ME_TextEditor *editor);
 206 void ME_SendSelChange(ME_TextEditor *editor);
 207 void ME_InsertGraphicsFromCursor(ME_TextEditor *editor, int nCursor);
 208 void ME_InsertTableCellFromCursor(ME_TextEditor *editor, int nCursor);
 209 void ME_InternalDeleteText(ME_TextEditor *editor, int nOfs, int nChars);
 210 int ME_GetTextLength(ME_TextEditor *editor);
 211 int ME_GetTextLengthEx(ME_TextEditor *editor, GETTEXTLENGTHEX *how);
 212 ME_Style *ME_GetSelectionInsertStyle(ME_TextEditor *editor);
 213 BOOL ME_UpdateSelection(ME_TextEditor *editor, ME_Cursor *pTempCursor);
 214
 215 /* wrap.c */
 216 void ME_PrepareParagraphForWrapping(ME_Context *c, ME_DisplayItem *tp);
 217 ME_DisplayItem *ME_MakeRow(int height, int baseline, int width);
 218 void ME_InsertRowStart(ME_WrapContext *wc, ME_DisplayItem *pEnd);
 219 void ME_WrapTextParagraph(ME_Context *c, ME_DisplayItem *tp);
 220 BOOL ME_WrapMarkedParagraphs(ME_TextEditor *editor);
 221 void ME_InvalidateMarkedParagraphs(ME_TextEditor *editor);
 222 void ME_SendRequestResize(ME_TextEditor *editor, BOOL force);
 223
 224 /* para.c */
 225 ME_DisplayItem *ME_GetParagraph(ME_DisplayItem *run);
 226 void ME_GetSelectionParas(ME_TextEditor *editor, ME_DisplayItem **para, ME_DisplayItem **para_end);
 227 void ME_MakeFirstParagraph(HDC hDC, ME_TextBuffer *editor);
 228 ME_DisplayItem *ME_SplitParagraph(ME_TextEditor *editor, ME_DisplayItem *rp, ME_Style *style);
 229 ME_DisplayItem *ME_JoinParagraphs(ME_TextEditor *editor, ME_DisplayItem *tp);
 230 void ME_DumpParaStyle(ME_Paragraph *s);
 231 void ME_DumpParaStyleToBuf(PARAFORMAT2 *pFmt, char buf[2048]);
 232 void ME_SetParaFormat(ME_TextEditor *editor, ME_DisplayItem *para, PARAFORMAT2 *pFmt);
 233 void ME_SetSelectionParaFormat(ME_TextEditor *editor, PARAFORMAT2 *pFmt);
 234 void ME_GetParaFormat(ME_TextEditor *editor, ME_DisplayItem *para, PARAFORMAT2 *pFmt);
 235 void ME_GetSelectionParaFormat(ME_TextEditor *editor, PARAFORMAT2 *pFmt);
 236 /* marks from first up to (but not including) last */
 237 void ME_MarkForWrapping(ME_TextEditor *editor, ME_DisplayItem *first, ME_DisplayItem *last);
 238 void ME_MarkForPainting(ME_TextEditor *editor, ME_DisplayItem *first, ME_DisplayItem *last);
 239 void ME_MarkAllForWrapping(ME_TextEditor *editor);
 240
 241 /* paint.c */
 242 void ME_PaintContent(ME_TextEditor *editor, HDC hDC, BOOL bOnlyNew, RECT *rcUpdate);
 243 void ME_Repaint(ME_TextEditor *editor);
 244 void ME_RewrapRepaint(ME_TextEditor *editor);
 245 void ME_UpdateRepaint(ME_TextEditor *editor);
 246 void ME_DrawParagraph(ME_Context *c, ME_DisplayItem *paragraph);
 247 void ME_EnsureVisible(ME_TextEditor *editor, ME_DisplayItem *pRun);
 248 COLORREF ME_GetBackColor(ME_TextEditor *editor);
 249 void ME_InvalidateSelection(ME_TextEditor *editor);
 250 void ME_QueueInvalidateFromCursor(ME_TextEditor *editor, int nCursor);
 251 BOOL ME_SetZoom(ME_TextEditor *editor, int numerator, int denominator);
 252
 253 /* scroll functions in paint.c */
 254
 255 void ME_ScrollAbs(ME_TextEditor *editor, int absY);
 256 void ME_ScrollUp(ME_TextEditor *editor, int cy);
 257 void ME_ScrollDown(ME_TextEditor *editor, int cy);
 258 void ME_Scroll(ME_TextEditor *editor, int value, int type);
 259 void ME_UpdateScrollBar(ME_TextEditor *editor);
 260 int ME_GetYScrollPos(ME_TextEditor *editor);
 261 BOOL ME_GetYScrollVisible(ME_TextEditor *editor);
 262
 263 /* richole.c */
 264 extern LRESULT CreateIRichEditOle(ME_TextEditor *editor, LPVOID *);
 265
 266 /* wintest.c */
 267
 268 /* editor.c */
 269 void ME_RegisterEditorClass(HINSTANCE hInstance);
 270 ME_TextEditor *ME_MakeEditor(HWND hWnd);
 271 void ME_DestroyEditor(ME_TextEditor *editor);
 272 void ME_SendOldNotify(ME_TextEditor *editor, int nCode);
 273 void ME_LinkNotify(ME_TextEditor *editor, UINT msg, WPARAM wParam, LPARAM lParam);
 274 ME_UndoItem *ME_AddUndoItem(ME_TextEditor *editor, ME_DIType type, ME_DisplayItem *di);
 275 void ME_CommitUndo(ME_TextEditor *editor);
 276 void ME_Undo(ME_TextEditor *editor);
 277 void ME_Redo(ME_TextEditor *editor);
 278 void ME_EmptyUndoStack(ME_TextEditor *editor);
 279 int ME_GetTextW(ME_TextEditor *editor, WCHAR *buffer, int nStart, int nChars, BOOL bCRLF);
 280 ME_DisplayItem *ME_FindItemAtOffset(ME_TextEditor *editor, ME_DIType nItemType, int nOffset, int *nItemOffset);
 281 void ME_StreamInFill(ME_InStream *stream);
 282 int ME_AutoURLDetect(ME_TextEditor *editor, WCHAR curChar);
 283 extern int me_debug;
 284 extern void DoWrap(ME_TextEditor *editor);
 285
 286 /* writer.c */
 287 LRESULT ME_StreamOutRange(ME_TextEditor *editor, DWORD dwFormat, int nStart, int nTo, EDITSTREAM *stream);
 288 LRESULT ME_StreamOut(ME_TextEditor *editor, DWORD dwFormat, EDITSTREAM *stream);
 289
 290 /* clipboard.c */
 291 HRESULT ME_GetDataObject(ME_TextEditor *editor, CHARRANGE *lpchrg, LPDATAOBJECT *lplpdataobj);