4 * Copyright David W. Metcalfe, 1994
5 * Copyright William Magro, 1995, 1996
6 * Copyright Frans van Dorsselaer, 1996, 1997
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
25 * This code was audited for completeness against the documented features
26 * of Comctl32.dll version 6.0 on Oct. 8, 2004, by Dimitrie O. Paun.
28 * Unless otherwise noted, we believe this code to be complete, as per
29 * the specification mentioned above.
30 * If you discover missing features, or bugs, please note them below.
33 * - EDITBALLOONTIP structure
34 * - EM_GETCUEBANNER/Edit_GetCueBannerText
35 * - EM_HIDEBALLOONTIP/Edit_HideBalloonTip
36 * - EM_SETCUEBANNER/Edit_SetCueBannerText
37 * - EM_SHOWBALLOONTIP/Edit_ShowBalloonTip
38 * - EM_GETIMESTATUS, EM_SETIMESTATUS
57 #include "wine/winbase16.h"
58 #include "wine/winuser16.h"
59 #include "wine/unicode.h"
61 #include "user_private.h"
62 #include "wine/debug.h"
64 WINE_DEFAULT_DEBUG_CHANNEL(edit);
65 WINE_DECLARE_DEBUG_CHANNEL(combo);
66 WINE_DECLARE_DEBUG_CHANNEL(relay);
68 #define BUFLIMIT_INITIAL 30000 /* initial buffer size */
69 #define GROWLENGTH 32 /* buffers granularity in bytes: must be power of 2 */
70 #define ROUND_TO_GROW(size) (((size) + (GROWLENGTH - 1)) & ~(GROWLENGTH - 1))
71 #define HSCROLL_FRACTION 3 /* scroll window by 1/3 width */
74 * extra flags for EDITSTATE.flags field
76 #define EF_MODIFIED 0x0001 /* text has been modified */
77 #define EF_FOCUSED 0x0002 /* we have input focus */
78 #define EF_UPDATE 0x0004 /* notify parent of changed state */
79 #define EF_VSCROLL_TRACK 0x0008 /* don't SetScrollPos() since we are tracking the thumb */
80 #define EF_HSCROLL_TRACK 0x0010 /* don't SetScrollPos() since we are tracking the thumb */
81 #define EF_AFTER_WRAP 0x0080 /* the caret is displayed after the last character of a
82 wrapped line, instead of in front of the next character */
83 #define EF_USE_SOFTBRK 0x0100 /* Enable soft breaks in text. */
84 #define EF_APP_HAS_HANDLE 0x0200 /* Set when an app sends EM_[G|S]ETHANDLE. We are in sole control of
85 the text buffer if this is clear. */
88 END_0 = 0, /* line ends with terminating '\0' character */
89 END_WRAP, /* line is wrapped */
90 END_HARD, /* line ends with a hard return '\r\n' */
91 END_SOFT, /* line ends with a soft return '\r\r\n' */
92 END_RICH /* line ends with a single '\n' */
95 typedef struct tagLINEDEF {
96 INT length; /* bruto length of a line in bytes */
97 INT net_length; /* netto length of a line in visible characters */
99 INT width; /* width of the line in pixels */
100 INT index; /* line index into the buffer */
101 struct tagLINEDEF *next;
106 BOOL is_unicode; /* how the control was created */
107 LPWSTR text; /* the actual contents of the control */
108 UINT text_length; /* cached length of text buffer (in WCHARs) - use get_text_length() to retrieve */
109 UINT buffer_size; /* the size of the buffer in characters */
110 UINT buffer_limit; /* the maximum size to which the buffer may grow in characters */
111 HFONT font; /* NULL means standard system font */
112 INT x_offset; /* scroll offset for multi lines this is in pixels
113 for single lines it's in characters */
114 INT line_height; /* height of a screen line in pixels */
115 INT char_width; /* average character width in pixels */
116 DWORD style; /* sane version of wnd->dwStyle */
117 WORD flags; /* flags that are not in es->style or wnd->flags (EF_XXX) */
118 INT undo_insert_count; /* number of characters inserted in sequence */
119 UINT undo_position; /* character index of the insertion and deletion */
120 LPWSTR undo_text; /* deleted text */
121 UINT undo_buffer_size; /* size of the deleted text buffer */
122 INT selection_start; /* == selection_end if no selection */
123 INT selection_end; /* == current caret position */
124 WCHAR password_char; /* == 0 if no password char, and for multi line controls */
125 INT left_margin; /* in pixels */
126 INT right_margin; /* in pixels */
128 INT text_width; /* width of the widest line in pixels for multi line controls
129 and just line width for single line controls */
130 INT region_posx; /* Position of cursor relative to region: */
131 INT region_posy; /* -1: to left, 0: within, 1: to right */
132 EDITWORDBREAKPROC16 word_break_proc16;
133 void *word_break_proc; /* 32-bit word break proc: ANSI or Unicode */
134 INT line_count; /* number of lines */
135 INT y_offset; /* scroll offset in number of lines */
136 BOOL bCaptureState; /* flag indicating whether mouse was captured */
137 BOOL bEnableState; /* flag keeping the enable state */
138 HWND hwndSelf; /* the our window handle */
139 HWND hwndParent; /* Handle of parent for sending EN_* messages.
140 Even if parent will change, EN_* messages
141 should be sent to the first parent. */
142 HWND hwndListBox; /* handle of ComboBox's listbox or NULL */
144 * only for multi line controls
146 INT lock_count; /* amount of re-entries in the EditWndProc */
149 LINEDEF *first_line_def; /* linked list of (soft) linebreaks */
150 HLOCAL hloc32W; /* our unicode local memory block */
151 HLOCAL16 hloc16; /* alias for 16-bit control receiving EM_GETHANDLE16
153 HLOCAL hloc32A; /* alias for ANSI control receiving EM_GETHANDLE
158 UINT composition_len; /* length of composition, 0 == no composition */
159 int composition_start; /* the character position for the composition */
163 #define SWAP_UINT32(x,y) do { UINT temp = (UINT)(x); (x) = (UINT)(y); (y) = temp; } while(0)
164 #define ORDER_UINT(x,y) do { if ((UINT)(y) < (UINT)(x)) SWAP_UINT32((x),(y)); } while(0)
166 /* used for disabled or read-only edit control */
167 #define EDIT_NOTIFY_PARENT(es, wNotifyCode) \
169 { /* Notify parent which has created this edit control */ \
170 TRACE("notification " #wNotifyCode " sent to hwnd=%p\n", es->hwndParent); \
171 SendMessageW(es->hwndParent, WM_COMMAND, \
172 MAKEWPARAM(GetWindowLongPtrW((es->hwndSelf),GWLP_ID), wNotifyCode), \
173 (LPARAM)(es->hwndSelf)); \
176 /*********************************************************************
183 * These functions have trivial implementations
184 * We still like to call them internally
185 * "static inline" makes them more like macro's
187 static inline BOOL EDIT_EM_CanUndo(const EDITSTATE *es);
188 static inline void EDIT_EM_EmptyUndoBuffer(EDITSTATE *es);
189 static inline void EDIT_WM_Clear(EDITSTATE *es);
190 static inline void EDIT_WM_Cut(EDITSTATE *es);
193 * Helper functions only valid for one type of control
195 static void EDIT_BuildLineDefs_ML(EDITSTATE *es, INT iStart, INT iEnd, INT delta, HRGN hrgn);
196 static void EDIT_CalcLineWidth_SL(EDITSTATE *es);
197 static LPWSTR EDIT_GetPasswordPointer_SL(EDITSTATE *es);
198 static void EDIT_MoveDown_ML(EDITSTATE *es, BOOL extend);
199 static void EDIT_MovePageDown_ML(EDITSTATE *es, BOOL extend);
200 static void EDIT_MovePageUp_ML(EDITSTATE *es, BOOL extend);
201 static void EDIT_MoveUp_ML(EDITSTATE *es, BOOL extend);
203 * Helper functions valid for both single line _and_ multi line controls
205 static INT EDIT_CallWordBreakProc(EDITSTATE *es, INT start, INT index, INT count, INT action);
206 static INT EDIT_CharFromPos(EDITSTATE *es, INT x, INT y, LPBOOL after_wrap);
207 static void EDIT_ConfinePoint(const EDITSTATE *es, LPINT x, LPINT y);
208 static void EDIT_GetLineRect(EDITSTATE *es, INT line, INT scol, INT ecol, LPRECT rc);
209 static void EDIT_InvalidateText(EDITSTATE *es, INT start, INT end);
210 static void EDIT_LockBuffer(EDITSTATE *es);
211 static BOOL EDIT_MakeFit(EDITSTATE *es, UINT size);
212 static BOOL EDIT_MakeUndoFit(EDITSTATE *es, UINT size);
213 static void EDIT_MoveBackward(EDITSTATE *es, BOOL extend);
214 static void EDIT_MoveEnd(EDITSTATE *es, BOOL extend, BOOL ctrl);
215 static void EDIT_MoveForward(EDITSTATE *es, BOOL extend);
216 static void EDIT_MoveHome(EDITSTATE *es, BOOL extend, BOOL ctrl);
217 static void EDIT_MoveWordBackward(EDITSTATE *es, BOOL extend);
218 static void EDIT_MoveWordForward(EDITSTATE *es, BOOL extend);
219 static void EDIT_PaintLine(EDITSTATE *es, HDC hdc, INT line, BOOL rev);
220 static INT EDIT_PaintText(EDITSTATE *es, HDC hdc, INT x, INT y, INT line, INT col, INT count, BOOL rev);
221 static void EDIT_SetCaretPos(EDITSTATE *es, INT pos, BOOL after_wrap);
222 static void EDIT_AdjustFormatRect(EDITSTATE *es);
223 static void EDIT_SetRectNP(EDITSTATE *es, const RECT *lprc);
224 static void EDIT_UnlockBuffer(EDITSTATE *es, BOOL force);
225 static void EDIT_UpdateScrollInfo(EDITSTATE *es);
226 static INT CALLBACK EDIT_WordBreakProc(LPWSTR s, INT index, INT count, INT action);
228 * EM_XXX message handlers
230 static LRESULT EDIT_EM_CharFromPos(EDITSTATE *es, INT x, INT y);
231 static BOOL EDIT_EM_FmtLines(EDITSTATE *es, BOOL add_eol);
232 static HLOCAL EDIT_EM_GetHandle(EDITSTATE *es);
233 static HLOCAL16 EDIT_EM_GetHandle16(EDITSTATE *es);
234 static INT EDIT_EM_GetLine(EDITSTATE *es, INT line, LPWSTR dst, BOOL unicode);
235 static LRESULT EDIT_EM_GetSel(const EDITSTATE *es, PUINT start, PUINT end);
236 static LRESULT EDIT_EM_GetThumb(EDITSTATE *es);
237 static INT EDIT_EM_LineFromChar(EDITSTATE *es, INT index);
238 static INT EDIT_EM_LineIndex(const EDITSTATE *es, INT line);
239 static INT EDIT_EM_LineLength(EDITSTATE *es, INT index);
240 static BOOL EDIT_EM_LineScroll(EDITSTATE *es, INT dx, INT dy);
241 static BOOL EDIT_EM_LineScroll_internal(EDITSTATE *es, INT dx, INT dy);
242 static LRESULT EDIT_EM_PosFromChar(EDITSTATE *es, INT index, BOOL after_wrap);
243 static void EDIT_EM_ReplaceSel(EDITSTATE *es, BOOL can_undo, LPCWSTR lpsz_replace, BOOL send_update, BOOL honor_limit);
244 static LRESULT EDIT_EM_Scroll(EDITSTATE *es, INT action);
245 static void EDIT_EM_ScrollCaret(EDITSTATE *es);
246 static void EDIT_EM_SetHandle(EDITSTATE *es, HLOCAL hloc);
247 static void EDIT_EM_SetHandle16(EDITSTATE *es, HLOCAL16 hloc);
248 static void EDIT_EM_SetLimitText(EDITSTATE *es, UINT limit);
249 static void EDIT_EM_SetMargins(EDITSTATE *es, INT action, WORD left, WORD right, BOOL repaint);
250 static void EDIT_EM_SetPasswordChar(EDITSTATE *es, WCHAR c);
251 static void EDIT_EM_SetSel(EDITSTATE *es, UINT start, UINT end, BOOL after_wrap);
252 static BOOL EDIT_EM_SetTabStops(EDITSTATE *es, INT count, const INT *tabs);
253 static BOOL EDIT_EM_SetTabStops16(EDITSTATE *es, INT count, const INT16 *tabs);
254 static void EDIT_EM_SetWordBreakProc(EDITSTATE *es, void *wbp);
255 static void EDIT_EM_SetWordBreakProc16(EDITSTATE *es, EDITWORDBREAKPROC16 wbp);
256 static BOOL EDIT_EM_Undo(EDITSTATE *es);
258 * WM_XXX message handlers
260 static LRESULT EDIT_WM_Char(EDITSTATE *es, WCHAR c);
261 static void EDIT_WM_Command(EDITSTATE *es, INT code, INT id, HWND conrtol);
262 static void EDIT_WM_ContextMenu(EDITSTATE *es, INT x, INT y);
263 static void EDIT_WM_Copy(EDITSTATE *es);
264 static LRESULT EDIT_WM_Create(EDITSTATE *es, LPCWSTR name);
265 static LRESULT EDIT_WM_Destroy(EDITSTATE *es);
266 static INT EDIT_WM_GetText(const EDITSTATE *es, INT count, LPWSTR dst, BOOL unicode);
267 static LRESULT EDIT_WM_HScroll(EDITSTATE *es, INT action, INT pos);
268 static LRESULT EDIT_WM_KeyDown(EDITSTATE *es, INT key);
269 static LRESULT EDIT_WM_KillFocus(EDITSTATE *es);
270 static LRESULT EDIT_WM_LButtonDblClk(EDITSTATE *es);
271 static LRESULT EDIT_WM_LButtonDown(EDITSTATE *es, DWORD keys, INT x, INT y);
272 static LRESULT EDIT_WM_LButtonUp(EDITSTATE *es);
273 static LRESULT EDIT_WM_MButtonDown(EDITSTATE *es);
274 static LRESULT EDIT_WM_MouseMove(EDITSTATE *es, INT x, INT y);
275 static LRESULT EDIT_WM_NCCreate(HWND hwnd, LPCREATESTRUCTW lpcs, BOOL unicode);
276 static void EDIT_WM_Paint(EDITSTATE *es, HDC hdc);
277 static void EDIT_WM_Paste(EDITSTATE *es);
278 static void EDIT_WM_SetFocus(EDITSTATE *es);
279 static void EDIT_WM_SetFont(EDITSTATE *es, HFONT font, BOOL redraw);
280 static void EDIT_WM_SetText(EDITSTATE *es, LPCWSTR text, BOOL unicode);
281 static void EDIT_WM_Size(EDITSTATE *es, UINT action, INT width, INT height);
282 static LRESULT EDIT_WM_StyleChanged(EDITSTATE *es, WPARAM which, const STYLESTRUCT *style);
283 static LRESULT EDIT_WM_SysKeyDown(EDITSTATE *es, INT key, DWORD key_data);
284 static void EDIT_WM_Timer(EDITSTATE *es);
285 static LRESULT EDIT_WM_VScroll(EDITSTATE *es, INT action, INT pos);
286 static void EDIT_UpdateText(EDITSTATE *es, const RECT *rc, BOOL bErase);
287 static void EDIT_UpdateTextRegion(EDITSTATE *es, HRGN hrgn, BOOL bErase);
288 static void EDIT_ImeComposition(HWND hwnd, LPARAM CompFlag, EDITSTATE *es);
290 LRESULT WINAPI EditWndProcA(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
291 LRESULT WINAPI EditWndProcW(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
293 /*********************************************************************
294 * edit class descriptor
296 static const WCHAR editW[] = {'E','d','i','t',0};
297 const struct builtin_class_descr EDIT_builtin_class =
300 CS_DBLCLKS | CS_PARENTDC, /* style */
301 EditWndProcA, /* procA */
302 EditWndProcW, /* procW */
303 sizeof(EDITSTATE *), /* extra */
304 IDC_IBEAM, /* cursor */
309 /*********************************************************************
314 static inline BOOL EDIT_EM_CanUndo(const EDITSTATE *es)
316 return (es->undo_insert_count || strlenW(es->undo_text));
320 /*********************************************************************
325 static inline void EDIT_EM_EmptyUndoBuffer(EDITSTATE *es)
327 es->undo_insert_count = 0;
328 *es->undo_text = '\0';
332 /*********************************************************************
337 static inline void EDIT_WM_Clear(EDITSTATE *es)
339 static const WCHAR empty_stringW[] = {0};
341 /* Protect read-only edit control from modification */
342 if(es->style & ES_READONLY)
345 EDIT_EM_ReplaceSel(es, TRUE, empty_stringW, TRUE, TRUE);
349 /*********************************************************************
354 static inline void EDIT_WM_Cut(EDITSTATE *es)
361 /**********************************************************************
364 * Returns the window version in case Wine emulates a later version
365 * of windows than the application expects.
367 * In a number of cases when windows runs an application that was
368 * designed for an earlier windows version, windows reverts
369 * to "old" behaviour of that earlier version.
371 * An example is a disabled edit control that needs to be painted.
372 * Old style behaviour is to send a WM_CTLCOLOREDIT message. This was
373 * changed in Win95, NT4.0 by a WM_CTLCOLORSTATIC message _only_ for
374 * applications with an expected version 0f 4.0 or higher.
377 static DWORD get_app_version(void)
379 static DWORD version;
382 DWORD dwEmulatedVersion;
384 DWORD dwProcVersion = GetProcessVersion(0);
386 info.dwOSVersionInfoSize = sizeof(OSVERSIONINFOW);
387 GetVersionExW( &info );
388 dwEmulatedVersion = MAKELONG( info.dwMinorVersion, info.dwMajorVersion );
389 /* FIXME: this may not be 100% correct; see discussion on the
390 * wine developer list in Nov 1999 */
391 version = dwProcVersion < dwEmulatedVersion ? dwProcVersion : dwEmulatedVersion;
396 static inline UINT get_text_length(EDITSTATE *es)
398 if(es->text_length == (UINT)-1)
399 es->text_length = strlenW(es->text);
400 return es->text_length;
403 static inline void text_buffer_changed(EDITSTATE *es)
405 es->text_length = (UINT)-1;
408 static HBRUSH EDIT_NotifyCtlColor(EDITSTATE *es, HDC hdc)
413 if ( get_app_version() >= 0x40000 && (!es->bEnableState || (es->style & ES_READONLY)))
414 msg = WM_CTLCOLORSTATIC;
416 msg = WM_CTLCOLOREDIT;
418 /* why do we notify to es->hwndParent, and we send this one to GetParent()? */
419 hbrush = (HBRUSH)SendMessageW(GetParent(es->hwndSelf), msg, (WPARAM)hdc, (LPARAM)es->hwndSelf);
421 hbrush = (HBRUSH)DefWindowProcW(GetParent(es->hwndSelf), msg, (WPARAM)hdc, (LPARAM)es->hwndSelf);
425 static inline LRESULT DefWindowProcT(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam, BOOL unicode)
428 return DefWindowProcW(hwnd, msg, wParam, lParam);
430 return DefWindowProcA(hwnd, msg, wParam, lParam);
433 /*********************************************************************
437 * The messages are in the order of the actual integer values
438 * (which can be found in include/windows.h)
439 * Wherever possible the 16 bit versions are converted to
440 * the 32 bit ones, so that we can 'fall through' to the
441 * helper functions. These are mostly 32 bit (with a few
442 * exceptions, clearly indicated by a '16' extension to their
446 static LRESULT WINAPI EditWndProc_common( HWND hwnd, UINT msg,
447 WPARAM wParam, LPARAM lParam, BOOL unicode )
449 EDITSTATE *es = (EDITSTATE *)GetWindowLongPtrW( hwnd, 0 );
452 TRACE("hwnd=%p msg=%x (%s) wparam=%lx lparam=%lx\n", hwnd, msg, SPY_GetMsgName(msg, hwnd), wParam, lParam);
454 if (!es && msg != WM_NCCREATE)
455 return DefWindowProcT(hwnd, msg, wParam, lParam, unicode);
457 if (es && (msg != WM_DESTROY)) EDIT_LockBuffer(es);
465 result = EDIT_EM_GetSel(es, (PUINT)wParam, (PUINT)lParam);
469 if ((short)LOWORD(lParam) == -1)
470 EDIT_EM_SetSel(es, (UINT)-1, 0, FALSE);
472 EDIT_EM_SetSel(es, LOWORD(lParam), HIWORD(lParam), FALSE);
474 EDIT_EM_ScrollCaret(es);
478 EDIT_EM_SetSel(es, wParam, lParam, FALSE);
479 EDIT_EM_ScrollCaret(es);
486 RECT16 *r16 = MapSL(lParam);
487 r16->left = es->format_rect.left;
488 r16->top = es->format_rect.top;
489 r16->right = es->format_rect.right;
490 r16->bottom = es->format_rect.bottom;
495 CopyRect((LPRECT)lParam, &es->format_rect);
499 if ((es->style & ES_MULTILINE) && lParam) {
501 RECT16 *r16 = MapSL(lParam);
504 rc.right = r16->right;
505 rc.bottom = r16->bottom;
506 EDIT_SetRectNP(es, &rc);
507 EDIT_UpdateText(es, NULL, TRUE);
511 if ((es->style & ES_MULTILINE) && lParam) {
512 EDIT_SetRectNP(es, (LPRECT)lParam);
513 EDIT_UpdateText(es, NULL, TRUE);
518 if ((es->style & ES_MULTILINE) && lParam) {
520 RECT16 *r16 = MapSL(lParam);
523 rc.right = r16->right;
524 rc.bottom = r16->bottom;
525 EDIT_SetRectNP(es, &rc);
529 if ((es->style & ES_MULTILINE) && lParam)
530 EDIT_SetRectNP(es, (LPRECT)lParam);
535 result = EDIT_EM_Scroll(es, (INT)wParam);
538 case EM_LINESCROLL16:
539 wParam = (WPARAM)(INT)(SHORT)HIWORD(lParam);
540 lParam = (LPARAM)(INT)(SHORT)LOWORD(lParam);
543 result = (LRESULT)EDIT_EM_LineScroll(es, (INT)wParam, (INT)lParam);
546 case EM_SCROLLCARET16:
548 EDIT_EM_ScrollCaret(es);
554 result = ((es->flags & EF_MODIFIED) != 0);
560 es->flags |= EF_MODIFIED;
562 es->flags &= ~(EF_MODIFIED | EF_UPDATE); /* reset pending updates */
565 case EM_GETLINECOUNT16:
566 case EM_GETLINECOUNT:
567 result = (es->style & ES_MULTILINE) ? es->line_count : 1;
571 if ((INT16)wParam == -1)
575 result = (LRESULT)EDIT_EM_LineIndex(es, (INT)wParam);
579 EDIT_EM_SetHandle16(es, (HLOCAL16)wParam);
582 EDIT_EM_SetHandle(es, (HLOCAL)wParam);
586 result = (LRESULT)EDIT_EM_GetHandle16(es);
589 result = (LRESULT)EDIT_EM_GetHandle(es);
594 result = EDIT_EM_GetThumb(es);
597 /* these messages missing from specs */
606 FIXME("undocumented message 0x%x, please report\n", msg);
607 result = DefWindowProcW(hwnd, msg, wParam, lParam);
610 case EM_LINELENGTH16:
612 result = (LRESULT)EDIT_EM_LineLength(es, (INT)wParam);
615 case EM_REPLACESEL16:
616 lParam = (LPARAM)MapSL(lParam);
617 unicode = FALSE; /* 16-bit message is always ascii */
624 textW = (LPWSTR)lParam;
627 LPSTR textA = (LPSTR)lParam;
628 INT countW = MultiByteToWideChar(CP_ACP, 0, textA, -1, NULL, 0);
629 if((textW = HeapAlloc(GetProcessHeap(), 0, countW * sizeof(WCHAR))))
630 MultiByteToWideChar(CP_ACP, 0, textA, -1, textW, countW);
633 EDIT_EM_ReplaceSel(es, (BOOL)wParam, textW, TRUE, TRUE);
637 HeapFree(GetProcessHeap(), 0, textW);
642 lParam = (LPARAM)MapSL(lParam);
643 unicode = FALSE; /* 16-bit message is always ascii */
646 result = (LRESULT)EDIT_EM_GetLine(es, (INT)wParam, (LPWSTR)lParam, unicode);
650 case EM_SETLIMITTEXT:
651 EDIT_EM_SetLimitText(es, wParam);
656 result = (LRESULT)EDIT_EM_CanUndo(es);
662 result = (LRESULT)EDIT_EM_Undo(es);
667 result = (LRESULT)EDIT_EM_FmtLines(es, (BOOL)wParam);
670 case EM_LINEFROMCHAR16:
671 case EM_LINEFROMCHAR:
672 result = (LRESULT)EDIT_EM_LineFromChar(es, (INT)wParam);
675 case EM_SETTABSTOPS16:
676 result = (LRESULT)EDIT_EM_SetTabStops16(es, (INT)wParam, MapSL(lParam));
679 result = (LRESULT)EDIT_EM_SetTabStops(es, (INT)wParam, (LPINT)lParam);
682 case EM_SETPASSWORDCHAR16:
683 unicode = FALSE; /* 16-bit message is always ascii */
685 case EM_SETPASSWORDCHAR:
690 charW = (WCHAR)wParam;
694 MultiByteToWideChar(CP_ACP, 0, &charA, 1, &charW, 1);
697 EDIT_EM_SetPasswordChar(es, charW);
701 case EM_EMPTYUNDOBUFFER16:
702 case EM_EMPTYUNDOBUFFER:
703 EDIT_EM_EmptyUndoBuffer(es);
706 case EM_GETFIRSTVISIBLELINE16:
707 result = es->y_offset;
709 case EM_GETFIRSTVISIBLELINE:
710 result = (es->style & ES_MULTILINE) ? es->y_offset : es->x_offset;
713 case EM_SETREADONLY16:
716 SetWindowLongW( hwnd, GWL_STYLE,
717 GetWindowLongW( hwnd, GWL_STYLE ) | ES_READONLY );
718 es->style |= ES_READONLY;
720 SetWindowLongW( hwnd, GWL_STYLE,
721 GetWindowLongW( hwnd, GWL_STYLE ) & ~ES_READONLY );
722 es->style &= ~ES_READONLY;
727 case EM_SETWORDBREAKPROC16:
728 EDIT_EM_SetWordBreakProc16(es, (EDITWORDBREAKPROC16)lParam);
730 case EM_SETWORDBREAKPROC:
731 EDIT_EM_SetWordBreakProc(es, (void *)lParam);
734 case EM_GETWORDBREAKPROC16:
735 result = (LRESULT)es->word_break_proc16;
737 case EM_GETWORDBREAKPROC:
738 result = (LRESULT)es->word_break_proc;
741 case EM_GETPASSWORDCHAR16:
742 unicode = FALSE; /* 16-bit message is always ascii */
744 case EM_GETPASSWORDCHAR:
747 result = es->password_char;
750 WCHAR charW = es->password_char;
752 WideCharToMultiByte(CP_ACP, 0, &charW, 1, &charA, 1, NULL, NULL);
758 /* The following EM_xxx are new to win95 and don't exist for 16 bit */
761 EDIT_EM_SetMargins(es, (INT)wParam, LOWORD(lParam), HIWORD(lParam), TRUE);
765 result = MAKELONG(es->left_margin, es->right_margin);
768 case EM_GETLIMITTEXT:
769 result = es->buffer_limit;
773 if ((INT)wParam >= get_text_length(es)) result = -1;
774 else result = EDIT_EM_PosFromChar(es, (INT)wParam, FALSE);
778 result = EDIT_EM_CharFromPos(es, (short)LOWORD(lParam), (short)HIWORD(lParam));
781 /* End of the EM_ messages which were in numerical order; what order
782 * are these in? vaguely alphabetical?
786 result = EDIT_WM_NCCreate(hwnd, (LPCREATESTRUCTW)lParam, unicode);
790 result = EDIT_WM_Destroy(es);
795 result = DLGC_HASSETSEL | DLGC_WANTCHARS | DLGC_WANTARROWS;
797 if (es->style & ES_MULTILINE)
798 result |= DLGC_WANTALLKEYS;
800 if (lParam && (((LPMSG)lParam)->message == WM_KEYDOWN))
802 int vk = (int)((LPMSG)lParam)->wParam;
806 if (vk == VK_RETURN || vk == VK_ESCAPE)
807 if (SendMessageW(GetParent(hwnd), CB_GETDROPPEDSTATE, 0, 0))
808 result |= DLGC_WANTMESSAGE;
815 SendMessageW(GetParent(hwnd), WM_CLOSE, 0, 0);
830 strng[0] = wParam >> 8;
831 strng[1] = wParam & 0xff;
832 if (strng[0]) MultiByteToWideChar(CP_ACP, 0, strng, 2, &charW, 1);
833 else MultiByteToWideChar(CP_ACP, 0, &strng[1], 1, &charW, 1);
834 result = EDIT_WM_Char(es, charW);
847 MultiByteToWideChar(CP_ACP, 0, &charA, 1, &charW, 1);
852 if (charW == VK_RETURN || charW == VK_ESCAPE)
854 if (SendMessageW(GetParent(hwnd), CB_GETDROPPEDSTATE, 0, 0))
855 SendMessageW(GetParent(hwnd), WM_KEYDOWN, charW, 0);
859 result = EDIT_WM_Char(es, charW);
868 EDIT_WM_Command(es, HIWORD(wParam), LOWORD(wParam), (HWND)lParam);
872 EDIT_WM_ContextMenu(es, (short)LOWORD(lParam), (short)HIWORD(lParam));
881 result = EDIT_WM_Create(es, ((LPCREATESTRUCTW)lParam)->lpszName);
884 LPCSTR nameA = ((LPCREATESTRUCTA)lParam)->lpszName;
888 INT countW = MultiByteToWideChar(CP_ACP, 0, nameA, -1, NULL, 0);
889 if((nameW = HeapAlloc(GetProcessHeap(), 0, countW * sizeof(WCHAR))))
890 MultiByteToWideChar(CP_ACP, 0, nameA, -1, nameW, countW);
892 result = EDIT_WM_Create(es, nameW);
893 HeapFree(GetProcessHeap(), 0, nameW);
902 es->bEnableState = (BOOL) wParam;
903 EDIT_UpdateText(es, NULL, TRUE);
907 /* we do the proper erase in EDIT_WM_Paint */
912 result = (LRESULT)es->font;
916 result = (LRESULT)EDIT_WM_GetText(es, (INT)wParam, (LPWSTR)lParam, unicode);
919 case WM_GETTEXTLENGTH:
920 if (unicode) result = get_text_length(es);
921 else result = WideCharToMultiByte( CP_ACP, 0, es->text, get_text_length(es),
922 NULL, 0, NULL, NULL );
926 result = EDIT_WM_HScroll(es, LOWORD(wParam), (short)HIWORD(wParam));
930 result = EDIT_WM_KeyDown(es, (INT)wParam);
934 result = EDIT_WM_KillFocus(es);
937 case WM_LBUTTONDBLCLK:
938 result = EDIT_WM_LButtonDblClk(es);
942 result = EDIT_WM_LButtonDown(es, wParam, (short)LOWORD(lParam), (short)HIWORD(lParam));
946 result = EDIT_WM_LButtonUp(es);
950 result = EDIT_WM_MButtonDown(es);
954 result = EDIT_WM_MouseMove(es, (short)LOWORD(lParam), (short)HIWORD(lParam));
959 EDIT_WM_Paint(es, (HDC)wParam);
967 EDIT_WM_SetFocus(es);
971 EDIT_WM_SetFont(es, (HFONT)wParam, LOWORD(lParam) != 0);
975 /* FIXME: actually set an internal flag and behave accordingly */
979 EDIT_WM_SetText(es, (LPCWSTR)lParam, unicode);
984 EDIT_WM_Size(es, (UINT)wParam, LOWORD(lParam), HIWORD(lParam));
987 case WM_STYLECHANGED:
988 result = EDIT_WM_StyleChanged(es, wParam, (const STYLESTRUCT *)lParam);
991 case WM_STYLECHANGING:
992 result = 0; /* See EDIT_WM_StyleChanged */
996 result = EDIT_WM_SysKeyDown(es, (INT)wParam, (DWORD)lParam);
1004 result = EDIT_WM_VScroll(es, LOWORD(wParam), (short)HIWORD(wParam));
1009 int gcWheelDelta = 0;
1010 UINT pulScrollLines = 3;
1011 SystemParametersInfoW(SPI_GETWHEELSCROLLLINES,0, &pulScrollLines, 0);
1013 if (wParam & (MK_SHIFT | MK_CONTROL)) {
1014 result = DefWindowProcW(hwnd, msg, wParam, lParam);
1017 gcWheelDelta -= GET_WHEEL_DELTA_WPARAM(wParam);
1018 if (abs(gcWheelDelta) >= WHEEL_DELTA && pulScrollLines)
1020 int cLineScroll= (int) min((UINT) es->line_count, pulScrollLines);
1021 cLineScroll *= (gcWheelDelta / WHEEL_DELTA);
1022 result = EDIT_EM_LineScroll(es, 0, cLineScroll);
1028 /* IME messages to make the edit control IME aware */
1029 case WM_IME_SETCONTEXT:
1032 case WM_IME_STARTCOMPOSITION:
1034 * FIXME in IME: This message is not always sent like it should be
1036 if (es->selection_start != es->selection_end)
1038 static const WCHAR empty_stringW[] = {0};
1039 EDIT_EM_ReplaceSel(es, TRUE, empty_stringW, TRUE, TRUE);
1041 es->composition_start = es->selection_end;
1042 es->composition_len = 0;
1045 case WM_IME_COMPOSITION:
1047 int caret_pos = es->selection_end;
1048 if (es->composition_len == 0)
1050 if (es->selection_start != es->selection_end)
1052 static const WCHAR empty_stringW[] = {0};
1053 EDIT_EM_ReplaceSel(es, TRUE, empty_stringW, TRUE, TRUE);
1056 es->composition_start = es->selection_end;
1058 EDIT_ImeComposition(hwnd,lParam,es);
1059 EDIT_SetCaretPos(es, caret_pos, es->flags & EF_AFTER_WRAP);
1063 case WM_IME_ENDCOMPOSITION:
1064 es->composition_len= 0;
1067 case WM_IME_COMPOSITIONFULL:
1073 case WM_IME_CONTROL:
1077 result = DefWindowProcT(hwnd, msg, wParam, lParam, unicode);
1081 if (es) EDIT_UnlockBuffer(es, FALSE);
1083 TRACE("hwnd=%p msg=%x (%s) -- 0x%08lx\n", hwnd, msg, SPY_GetMsgName(msg, hwnd), result);
1088 /*********************************************************************
1090 * EditWndProcW (USER32.@)
1092 LRESULT WINAPI EditWndProcW(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
1094 return EditWndProc_common(hWnd, uMsg, wParam, lParam, TRUE);
1097 /*********************************************************************
1099 * EditWndProc (USER32.@)
1101 LRESULT WINAPI EditWndProcA(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
1103 return EditWndProc_common(hWnd, uMsg, wParam, lParam, FALSE);
1106 /*********************************************************************
1108 * EDIT_BuildLineDefs_ML
1110 * Build linked list of text lines.
1111 * Lines can end with '\0' (last line), a character (if it is wrapped),
1112 * a soft return '\r\r\n' or a hard return '\r\n'
1115 static void EDIT_BuildLineDefs_ML(EDITSTATE *es, INT istart, INT iend, INT delta, HRGN hrgn)
1119 LPWSTR current_position, cp;
1121 LINEDEF *current_line;
1122 LINEDEF *previous_line;
1123 LINEDEF *start_line;
1124 INT line_index = 0, nstart_line = 0, nstart_index = 0;
1125 INT line_count = es->line_count;
1126 INT orig_net_length;
1129 if (istart == iend && delta == 0)
1132 dc = GetDC(es->hwndSelf);
1134 old_font = SelectObject(dc, es->font);
1136 previous_line = NULL;
1137 current_line = es->first_line_def;
1139 /* Find starting line. istart must lie inside an existing line or
1140 * at the end of buffer */
1142 if (istart < current_line->index + current_line->length ||
1143 current_line->ending == END_0)
1146 previous_line = current_line;
1147 current_line = current_line->next;
1149 } while (current_line);
1151 if (!current_line) /* Error occurred start is not inside previous buffer */
1153 FIXME(" modification occurred outside buffer\n");
1154 ReleaseDC(es->hwndSelf, dc);
1158 /* Remember start of modifications in order to calculate update region */
1159 nstart_line = line_index;
1160 nstart_index = current_line->index;
1162 /* We must start to reformat from the previous line since the modifications
1163 * may have caused the line to wrap upwards. */
1164 if (!(es->style & ES_AUTOHSCROLL) && line_index > 0)
1167 current_line = previous_line;
1169 start_line = current_line;
1171 fw = es->format_rect.right - es->format_rect.left;
1172 current_position = es->text + current_line->index;
1174 if (current_line != start_line)
1176 if (!current_line || current_line->index + delta > current_position - es->text)
1178 /* The buffer has been expanded, create a new line and
1179 insert it into the link list */
1180 LINEDEF *new_line = HeapAlloc(GetProcessHeap(), 0, sizeof(LINEDEF));
1181 new_line->next = previous_line->next;
1182 previous_line->next = new_line;
1183 current_line = new_line;
1186 else if (current_line->index + delta < current_position - es->text)
1188 /* The previous line merged with this line so we delete this extra entry */
1189 previous_line->next = current_line->next;
1190 HeapFree(GetProcessHeap(), 0, current_line);
1191 current_line = previous_line->next;
1195 else /* current_line->index + delta == current_position */
1197 if (current_position - es->text > iend)
1198 break; /* We reached end of line modifications */
1199 /* else recalulate this line */
1203 current_line->index = current_position - es->text;
1204 orig_net_length = current_line->net_length;
1206 /* Find end of line */
1207 cp = current_position;
1209 if (*cp == '\n') break;
1210 if ((*cp == '\r') && (*(cp + 1) == '\n'))
1215 /* Mark type of line termination */
1217 current_line->ending = END_0;
1218 current_line->net_length = strlenW(current_position);
1219 } else if ((cp > current_position) && (*(cp - 1) == '\r')) {
1220 current_line->ending = END_SOFT;
1221 current_line->net_length = cp - current_position - 1;
1222 } else if (*cp == '\n') {
1223 current_line->ending = END_RICH;
1224 current_line->net_length = cp - current_position;
1226 current_line->ending = END_HARD;
1227 current_line->net_length = cp - current_position;
1230 /* Calculate line width */
1231 current_line->width = (INT)LOWORD(GetTabbedTextExtentW(dc,
1232 current_position, current_line->net_length,
1233 es->tabs_count, es->tabs));
1235 /* FIXME: check here for lines that are too wide even in AUTOHSCROLL (> 32767 ???) */
1236 if (!(es->style & ES_AUTOHSCROLL)) {
1237 if (current_line->width > fw) {
1242 next = EDIT_CallWordBreakProc(es, current_position - es->text,
1243 prev + 1, current_line->net_length, WB_RIGHT);
1244 current_line->width = (INT)LOWORD(GetTabbedTextExtentW(dc,
1245 current_position, next, es->tabs_count, es->tabs));
1246 } while (current_line->width <= fw);
1247 if (!prev) { /* Didn't find a line break so force a break */
1252 current_line->width = (INT)LOWORD(GetTabbedTextExtentW(dc,
1253 current_position, next, es->tabs_count, es->tabs));
1254 } while (current_line->width <= fw);
1259 /* If the first line we are calculating, wrapped before istart, we must
1260 * adjust istart in order for this to be reflected in the update region. */
1261 if (current_line->index == nstart_index && istart > current_line->index + prev)
1262 istart = current_line->index + prev;
1263 /* else if we are updating the previous line before the first line we
1264 * are re-calculating and it expanded */
1265 else if (current_line == start_line &&
1266 current_line->index != nstart_index && orig_net_length < prev)
1268 /* Line expanded due to an upwards line wrap so we must partially include
1269 * previous line in update region */
1270 nstart_line = line_index;
1271 nstart_index = current_line->index;
1272 istart = current_line->index + orig_net_length;
1275 current_line->net_length = prev;
1276 current_line->ending = END_WRAP;
1277 current_line->width = (INT)LOWORD(GetTabbedTextExtentW(dc, current_position,
1278 current_line->net_length, es->tabs_count, es->tabs));
1280 else if (current_line == start_line &&
1281 current_line->index != nstart_index &&
1282 orig_net_length < current_line->net_length) {
1283 /* The previous line expanded but it's still not as wide as the client rect */
1284 /* The expansion is due to an upwards line wrap so we must partially include
1285 it in the update region */
1286 nstart_line = line_index;
1287 nstart_index = current_line->index;
1288 istart = current_line->index + orig_net_length;
1293 /* Adjust length to include line termination */
1294 switch (current_line->ending) {
1296 current_line->length = current_line->net_length + 3;
1299 current_line->length = current_line->net_length + 1;
1302 current_line->length = current_line->net_length + 2;
1306 current_line->length = current_line->net_length;
1309 es->text_width = max(es->text_width, current_line->width);
1310 current_position += current_line->length;
1311 previous_line = current_line;
1312 current_line = current_line->next;
1314 } while (previous_line->ending != END_0);
1316 /* Finish adjusting line indexes by delta or remove hanging lines */
1317 if (previous_line->ending == END_0)
1319 LINEDEF *pnext = NULL;
1321 previous_line->next = NULL;
1322 while (current_line)
1324 pnext = current_line->next;
1325 HeapFree(GetProcessHeap(), 0, current_line);
1326 current_line = pnext;
1330 else if (delta != 0)
1332 while (current_line)
1334 current_line->index += delta;
1335 current_line = current_line->next;
1339 /* Calculate rest of modification rectangle */
1344 * We calculate two rectangles. One for the first line which may have
1345 * an indent with respect to the format rect. The other is a format-width
1346 * rectangle that spans the rest of the lines that changed or moved.
1348 rc.top = es->format_rect.top + nstart_line * es->line_height -
1349 (es->y_offset * es->line_height); /* Adjust for vertical scrollbar */
1350 rc.bottom = rc.top + es->line_height;
1351 if ((es->style & ES_CENTER) || (es->style & ES_RIGHT))
1352 rc.left = es->format_rect.left;
1354 rc.left = es->format_rect.left + (INT)LOWORD(GetTabbedTextExtentW(dc,
1355 es->text + nstart_index, istart - nstart_index,
1356 es->tabs_count, es->tabs)) - es->x_offset; /* Adjust for horz scroll */
1357 rc.right = es->format_rect.right;
1358 SetRectRgn(hrgn, rc.left, rc.top, rc.right, rc.bottom);
1361 rc.left = es->format_rect.left;
1362 rc.right = es->format_rect.right;
1364 * If lines were added or removed we must re-paint the remainder of the
1365 * lines since the remaining lines were either shifted up or down.
1367 if (line_count < es->line_count) /* We added lines */
1368 rc.bottom = es->line_count * es->line_height;
1369 else if (line_count > es->line_count) /* We removed lines */
1370 rc.bottom = line_count * es->line_height;
1372 rc.bottom = line_index * es->line_height;
1373 rc.bottom += es->format_rect.top;
1374 rc.bottom -= (es->y_offset * es->line_height); /* Adjust for vertical scrollbar */
1375 tmphrgn = CreateRectRgn(rc.left, rc.top, rc.right, rc.bottom);
1376 CombineRgn(hrgn, hrgn, tmphrgn, RGN_OR);
1377 DeleteObject(tmphrgn);
1381 SelectObject(dc, old_font);
1383 ReleaseDC(es->hwndSelf, dc);
1386 /*********************************************************************
1388 * EDIT_CalcLineWidth_SL
1391 static void EDIT_CalcLineWidth_SL(EDITSTATE *es)
1398 text = EDIT_GetPasswordPointer_SL(es);
1400 dc = GetDC(es->hwndSelf);
1402 old_font = SelectObject(dc, es->font);
1404 GetTextExtentPoint32W(dc, text, strlenW(text), &size);
1407 SelectObject(dc, old_font);
1408 ReleaseDC(es->hwndSelf, dc);
1410 if (es->style & ES_PASSWORD)
1411 HeapFree(GetProcessHeap(), 0, text);
1413 es->text_width = size.cx;
1416 /*********************************************************************
1418 * EDIT_CallWordBreakProc
1420 * Call appropriate WordBreakProc (internal or external).
1422 * Note: The "start" argument should always be an index referring
1423 * to es->text. The actual wordbreak proc might be
1424 * 16 bit, so we can't always pass any 32 bit LPSTR.
1425 * Hence we assume that es->text is the buffer that holds
1426 * the string under examination (we can decide this for ourselves).
1429 static INT EDIT_CallWordBreakProc(EDITSTATE *es, INT start, INT index, INT count, INT action)
1433 if (es->word_break_proc16) {
1440 countA = WideCharToMultiByte(CP_ACP, 0, es->text + start, count, NULL, 0, NULL, NULL);
1441 hglob16 = GlobalAlloc16(GMEM_MOVEABLE | GMEM_ZEROINIT, countA);
1442 segptr = WOWGlobalLock16(hglob16);
1443 WideCharToMultiByte(CP_ACP, 0, es->text + start, count, MapSL(segptr), countA, NULL, NULL);
1444 args[4] = SELECTOROF(segptr);
1445 args[3] = OFFSETOF(segptr);
1449 WOWCallback16Ex((DWORD)es->word_break_proc16, WCB16_PASCAL, sizeof(args), args, &result);
1450 ret = LOWORD(result);
1451 GlobalUnlock16(hglob16);
1452 GlobalFree16(hglob16);
1454 else if (es->word_break_proc)
1458 EDITWORDBREAKPROCW wbpW = (EDITWORDBREAKPROCW)es->word_break_proc;
1460 TRACE_(relay)("(UNICODE wordbrk=%p,str=%s,idx=%d,cnt=%d,act=%d)\n",
1461 es->word_break_proc, debugstr_wn(es->text + start, count), index, count, action);
1462 ret = wbpW(es->text + start, index, count, action);
1466 EDITWORDBREAKPROCA wbpA = (EDITWORDBREAKPROCA)es->word_break_proc;
1470 countA = WideCharToMultiByte(CP_ACP, 0, es->text + start, count, NULL, 0, NULL, NULL);
1471 textA = HeapAlloc(GetProcessHeap(), 0, countA);
1472 WideCharToMultiByte(CP_ACP, 0, es->text + start, count, textA, countA, NULL, NULL);
1473 TRACE_(relay)("(ANSI wordbrk=%p,str=%s,idx=%d,cnt=%d,act=%d)\n",
1474 es->word_break_proc, debugstr_an(textA, countA), index, countA, action);
1475 ret = wbpA(textA, index, countA, action);
1476 HeapFree(GetProcessHeap(), 0, textA);
1480 ret = EDIT_WordBreakProc(es->text + start, index, count, action);
1486 /*********************************************************************
1490 * Beware: This is not the function called on EM_CHARFROMPOS
1491 * The position _can_ be outside the formatting / client
1493 * The return value is only the character index
1496 static INT EDIT_CharFromPos(EDITSTATE *es, INT x, INT y, LPBOOL after_wrap)
1501 INT x_high = 0, x_low = 0;
1503 if (es->style & ES_MULTILINE) {
1504 INT line = (y - es->format_rect.top) / es->line_height + es->y_offset;
1506 LINEDEF *line_def = es->first_line_def;
1508 while ((line > 0) && line_def->next) {
1509 line_index += line_def->length;
1510 line_def = line_def->next;
1513 x += es->x_offset - es->format_rect.left;
1514 if (es->style & ES_RIGHT)
1515 x -= (es->format_rect.right - es->format_rect.left) - line_def->width;
1516 else if (es->style & ES_CENTER)
1517 x -= ((es->format_rect.right - es->format_rect.left) - line_def->width) / 2;
1518 if (x >= line_def->width) {
1520 *after_wrap = (line_def->ending == END_WRAP);
1521 return line_index + line_def->net_length;
1525 *after_wrap = FALSE;
1528 dc = GetDC(es->hwndSelf);
1530 old_font = SelectObject(dc, es->font);
1532 high = line_index + line_def->net_length + 1;
1533 while (low < high - 1)
1535 INT mid = (low + high) / 2;
1536 INT x_now = LOWORD(GetTabbedTextExtentW(dc, es->text + line_index, mid - line_index, es->tabs_count, es->tabs));
1545 if (abs(x_high - x) + 1 <= abs(x_low - x))
1551 *after_wrap = ((index == line_index + line_def->net_length) &&
1552 (line_def->ending == END_WRAP));
1557 *after_wrap = FALSE;
1558 x -= es->format_rect.left;
1560 return es->x_offset;
1564 INT indent = (es->format_rect.right - es->format_rect.left) - es->text_width;
1565 if (es->style & ES_RIGHT)
1567 else if (es->style & ES_CENTER)
1571 text = EDIT_GetPasswordPointer_SL(es);
1572 dc = GetDC(es->hwndSelf);
1574 old_font = SelectObject(dc, es->font);
1578 INT high = es->x_offset;
1579 while (low < high - 1)
1581 INT mid = (low + high) / 2;
1582 GetTextExtentPoint32W( dc, text + mid,
1583 es->x_offset - mid, &size );
1592 if (abs(x_high + x) <= abs(x_low + x) + 1)
1599 INT low = es->x_offset;
1600 INT high = get_text_length(es) + 1;
1601 while (low < high - 1)
1603 INT mid = (low + high) / 2;
1604 GetTextExtentPoint32W( dc, text + es->x_offset,
1605 mid - es->x_offset, &size );
1614 if (abs(x_high - x) <= abs(x_low - x) + 1)
1619 if (es->style & ES_PASSWORD)
1620 HeapFree(GetProcessHeap(), 0, text);
1623 SelectObject(dc, old_font);
1624 ReleaseDC(es->hwndSelf, dc);
1629 /*********************************************************************
1633 * adjusts the point to be within the formatting rectangle
1634 * (so CharFromPos returns the nearest _visible_ character)
1637 static void EDIT_ConfinePoint(const EDITSTATE *es, LPINT x, LPINT y)
1639 *x = min(max(*x, es->format_rect.left), es->format_rect.right - 1);
1640 *y = min(max(*y, es->format_rect.top), es->format_rect.bottom - 1);
1644 /*********************************************************************
1648 * Calculates the bounding rectangle for a line from a starting
1649 * column to an ending column.
1652 static void EDIT_GetLineRect(EDITSTATE *es, INT line, INT scol, INT ecol, LPRECT rc)
1654 INT line_index = EDIT_EM_LineIndex(es, line);
1656 if (es->style & ES_MULTILINE)
1657 rc->top = es->format_rect.top + (line - es->y_offset) * es->line_height;
1659 rc->top = es->format_rect.top;
1660 rc->bottom = rc->top + es->line_height;
1661 rc->left = (scol == 0) ? es->format_rect.left : (short)LOWORD(EDIT_EM_PosFromChar(es, line_index + scol, TRUE));
1662 rc->right = (ecol == -1) ? es->format_rect.right : (short)LOWORD(EDIT_EM_PosFromChar(es, line_index + ecol, TRUE));
1666 /*********************************************************************
1668 * EDIT_GetPasswordPointer_SL
1670 * note: caller should free the (optionally) allocated buffer
1673 static LPWSTR EDIT_GetPasswordPointer_SL(EDITSTATE *es)
1675 if (es->style & ES_PASSWORD) {
1676 INT len = get_text_length(es);
1677 LPWSTR text = HeapAlloc(GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR));
1679 while(len) text[--len] = es->password_char;
1686 /*********************************************************************
1690 * This acts as a LocalLock16(), but it locks only once. This way
1691 * you can call it whenever you like, without unlocking.
1693 * Initially the edit control allocates a HLOCAL32 buffer
1694 * (32 bit linear memory handler). However, 16 bit application
1695 * might send an EM_GETHANDLE message and expect a HLOCAL16 (16 bit SEG:OFF
1696 * handler). From that moment on we have to keep using this 16 bit memory
1697 * handler, because it is supposed to be valid at all times after EM_GETHANDLE.
1698 * What we do is create a HLOCAL16 buffer, copy the text, and do pointer
1702 static void EDIT_LockBuffer(EDITSTATE *es)
1704 STACK16FRAME* stack16 = MapSL(PtrToUlong(NtCurrentTeb()->WOW32Reserved));
1705 HINSTANCE16 hInstance = GetWindowLongPtrW( es->hwndSelf, GWLP_HINSTANCE );
1710 BOOL _16bit = FALSE;
1716 TRACE("Synchronizing with 32-bit ANSI buffer\n");
1717 textA = LocalLock(es->hloc32A);
1718 countA = strlen(textA) + 1;
1722 HANDLE16 oldDS = stack16->ds;
1723 TRACE("Synchronizing with 16-bit ANSI buffer\n");
1724 stack16->ds = hInstance;
1725 textA = MapSL(LocalLock16(es->hloc16));
1726 stack16->ds = oldDS;
1727 countA = strlen(textA) + 1;
1732 ERR("no buffer ... please report\n");
1739 UINT countW_new = MultiByteToWideChar(CP_ACP, 0, textA, countA, NULL, 0);
1740 TRACE("%d bytes translated to %d WCHARs\n", countA, countW_new);
1741 if(countW_new > es->buffer_size + 1)
1743 UINT alloc_size = ROUND_TO_GROW(countW_new * sizeof(WCHAR));
1744 TRACE("Resizing 32-bit UNICODE buffer from %d+1 to %d WCHARs\n", es->buffer_size, countW_new);
1745 hloc32W_new = LocalReAlloc(es->hloc32W, alloc_size, LMEM_MOVEABLE | LMEM_ZEROINIT);
1748 es->hloc32W = hloc32W_new;
1749 es->buffer_size = LocalSize(hloc32W_new)/sizeof(WCHAR) - 1;
1750 TRACE("Real new size %d+1 WCHARs\n", es->buffer_size);
1753 WARN("FAILED! Will synchronize partially\n");
1757 /*TRACE("Locking 32-bit UNICODE buffer\n");*/
1758 es->text = LocalLock(es->hloc32W);
1762 MultiByteToWideChar(CP_ACP, 0, textA, countA, es->text, es->buffer_size + 1);
1765 HANDLE16 oldDS = stack16->ds;
1766 stack16->ds = hInstance;
1767 LocalUnlock16(es->hloc16);
1768 stack16->ds = oldDS;
1771 LocalUnlock(es->hloc32A);
1774 if(es->flags & EF_APP_HAS_HANDLE) text_buffer_changed(es);
1779 /*********************************************************************
1781 * EDIT_SL_InvalidateText
1783 * Called from EDIT_InvalidateText().
1784 * Does the job for single-line controls only.
1787 static void EDIT_SL_InvalidateText(EDITSTATE *es, INT start, INT end)
1792 EDIT_GetLineRect(es, 0, start, end, &line_rect);
1793 if (IntersectRect(&rc, &line_rect, &es->format_rect))
1794 EDIT_UpdateText(es, &rc, TRUE);
1798 /*********************************************************************
1800 * EDIT_ML_InvalidateText
1802 * Called from EDIT_InvalidateText().
1803 * Does the job for multi-line controls only.
1806 static void EDIT_ML_InvalidateText(EDITSTATE *es, INT start, INT end)
1808 INT vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
1809 INT sl = EDIT_EM_LineFromChar(es, start);
1810 INT el = EDIT_EM_LineFromChar(es, end);
1819 if ((el < es->y_offset) || (sl > es->y_offset + vlc))
1822 sc = start - EDIT_EM_LineIndex(es, sl);
1823 ec = end - EDIT_EM_LineIndex(es, el);
1824 if (sl < es->y_offset) {
1828 if (el > es->y_offset + vlc) {
1829 el = es->y_offset + vlc;
1830 ec = EDIT_EM_LineLength(es, EDIT_EM_LineIndex(es, el));
1832 GetClientRect(es->hwndSelf, &rc1);
1833 IntersectRect(&rcWnd, &rc1, &es->format_rect);
1835 EDIT_GetLineRect(es, sl, sc, ec, &rcLine);
1836 if (IntersectRect(&rcUpdate, &rcWnd, &rcLine))
1837 EDIT_UpdateText(es, &rcUpdate, TRUE);
1839 EDIT_GetLineRect(es, sl, sc,
1840 EDIT_EM_LineLength(es,
1841 EDIT_EM_LineIndex(es, sl)),
1843 if (IntersectRect(&rcUpdate, &rcWnd, &rcLine))
1844 EDIT_UpdateText(es, &rcUpdate, TRUE);
1845 for (l = sl + 1 ; l < el ; l++) {
1846 EDIT_GetLineRect(es, l, 0,
1847 EDIT_EM_LineLength(es,
1848 EDIT_EM_LineIndex(es, l)),
1850 if (IntersectRect(&rcUpdate, &rcWnd, &rcLine))
1851 EDIT_UpdateText(es, &rcUpdate, TRUE);
1853 EDIT_GetLineRect(es, el, 0, ec, &rcLine);
1854 if (IntersectRect(&rcUpdate, &rcWnd, &rcLine))
1855 EDIT_UpdateText(es, &rcUpdate, TRUE);
1860 /*********************************************************************
1862 * EDIT_InvalidateText
1864 * Invalidate the text from offset start up to, but not including,
1865 * offset end. Useful for (re)painting the selection.
1866 * Regions outside the linewidth are not invalidated.
1867 * end == -1 means end == TextLength.
1868 * start and end need not be ordered.
1871 static void EDIT_InvalidateText(EDITSTATE *es, INT start, INT end)
1877 end = get_text_length(es);
1885 if (es->style & ES_MULTILINE)
1886 EDIT_ML_InvalidateText(es, start, end);
1888 EDIT_SL_InvalidateText(es, start, end);
1892 /*********************************************************************
1896 * Try to fit size + 1 characters in the buffer.
1898 static BOOL EDIT_MakeFit(EDITSTATE *es, UINT size)
1902 if (size <= es->buffer_size)
1905 TRACE("trying to ReAlloc to %d+1 characters\n", size);
1907 /* Force edit to unlock it's buffer. es->text now NULL */
1908 EDIT_UnlockBuffer(es, TRUE);
1911 UINT alloc_size = ROUND_TO_GROW((size + 1) * sizeof(WCHAR));
1912 if ((hNew32W = LocalReAlloc(es->hloc32W, alloc_size, LMEM_MOVEABLE | LMEM_ZEROINIT))) {
1913 TRACE("Old 32 bit handle %p, new handle %p\n", es->hloc32W, hNew32W);
1914 es->hloc32W = hNew32W;
1915 es->buffer_size = LocalSize(hNew32W)/sizeof(WCHAR) - 1;
1919 EDIT_LockBuffer(es);
1921 if (es->buffer_size < size) {
1922 WARN("FAILED ! We now have %d+1\n", es->buffer_size);
1923 EDIT_NOTIFY_PARENT(es, EN_ERRSPACE);
1926 TRACE("We now have %d+1\n", es->buffer_size);
1932 /*********************************************************************
1936 * Try to fit size + 1 bytes in the undo buffer.
1939 static BOOL EDIT_MakeUndoFit(EDITSTATE *es, UINT size)
1943 if (size <= es->undo_buffer_size)
1946 TRACE("trying to ReAlloc to %d+1\n", size);
1948 alloc_size = ROUND_TO_GROW((size + 1) * sizeof(WCHAR));
1949 if ((es->undo_text = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, es->undo_text, alloc_size))) {
1950 es->undo_buffer_size = alloc_size/sizeof(WCHAR) - 1;
1955 WARN("FAILED ! We now have %d+1\n", es->undo_buffer_size);
1961 /*********************************************************************
1966 static void EDIT_MoveBackward(EDITSTATE *es, BOOL extend)
1968 INT e = es->selection_end;
1972 if ((es->style & ES_MULTILINE) && e &&
1973 (es->text[e - 1] == '\r') && (es->text[e] == '\n')) {
1975 if (e && (es->text[e - 1] == '\r'))
1979 EDIT_EM_SetSel(es, extend ? es->selection_start : e, e, FALSE);
1980 EDIT_EM_ScrollCaret(es);
1984 /*********************************************************************
1988 * Only for multi line controls
1989 * Move the caret one line down, on a column with the nearest
1990 * x coordinate on the screen (might be a different column).
1993 static void EDIT_MoveDown_ML(EDITSTATE *es, BOOL extend)
1995 INT s = es->selection_start;
1996 INT e = es->selection_end;
1997 BOOL after_wrap = (es->flags & EF_AFTER_WRAP);
1998 LRESULT pos = EDIT_EM_PosFromChar(es, e, after_wrap);
1999 INT x = (short)LOWORD(pos);
2000 INT y = (short)HIWORD(pos);
2002 e = EDIT_CharFromPos(es, x, y + es->line_height, &after_wrap);
2005 EDIT_EM_SetSel(es, s, e, after_wrap);
2006 EDIT_EM_ScrollCaret(es);
2010 /*********************************************************************
2015 static void EDIT_MoveEnd(EDITSTATE *es, BOOL extend, BOOL ctrl)
2017 BOOL after_wrap = FALSE;
2020 /* Pass a high value in x to make sure of receiving the end of the line */
2021 if (!ctrl && (es->style & ES_MULTILINE))
2022 e = EDIT_CharFromPos(es, 0x3fffffff,
2023 HIWORD(EDIT_EM_PosFromChar(es, es->selection_end, es->flags & EF_AFTER_WRAP)), &after_wrap);
2025 e = get_text_length(es);
2026 EDIT_EM_SetSel(es, extend ? es->selection_start : e, e, after_wrap);
2027 EDIT_EM_ScrollCaret(es);
2031 /*********************************************************************
2036 static void EDIT_MoveForward(EDITSTATE *es, BOOL extend)
2038 INT e = es->selection_end;
2042 if ((es->style & ES_MULTILINE) && (es->text[e - 1] == '\r')) {
2043 if (es->text[e] == '\n')
2045 else if ((es->text[e] == '\r') && (es->text[e + 1] == '\n'))
2049 EDIT_EM_SetSel(es, extend ? es->selection_start : e, e, FALSE);
2050 EDIT_EM_ScrollCaret(es);
2054 /*********************************************************************
2058 * Home key: move to beginning of line.
2061 static void EDIT_MoveHome(EDITSTATE *es, BOOL extend, BOOL ctrl)
2065 /* Pass the x_offset in x to make sure of receiving the first position of the line */
2066 if (!ctrl && (es->style & ES_MULTILINE))
2067 e = EDIT_CharFromPos(es, -es->x_offset,
2068 HIWORD(EDIT_EM_PosFromChar(es, es->selection_end, es->flags & EF_AFTER_WRAP)), NULL);
2071 EDIT_EM_SetSel(es, extend ? es->selection_start : e, e, FALSE);
2072 EDIT_EM_ScrollCaret(es);
2076 /*********************************************************************
2078 * EDIT_MovePageDown_ML
2080 * Only for multi line controls
2081 * Move the caret one page down, on a column with the nearest
2082 * x coordinate on the screen (might be a different column).
2085 static void EDIT_MovePageDown_ML(EDITSTATE *es, BOOL extend)
2087 INT s = es->selection_start;
2088 INT e = es->selection_end;
2089 BOOL after_wrap = (es->flags & EF_AFTER_WRAP);
2090 LRESULT pos = EDIT_EM_PosFromChar(es, e, after_wrap);
2091 INT x = (short)LOWORD(pos);
2092 INT y = (short)HIWORD(pos);
2094 e = EDIT_CharFromPos(es, x,
2095 y + (es->format_rect.bottom - es->format_rect.top),
2099 EDIT_EM_SetSel(es, s, e, after_wrap);
2100 EDIT_EM_ScrollCaret(es);
2104 /*********************************************************************
2106 * EDIT_MovePageUp_ML
2108 * Only for multi line controls
2109 * Move the caret one page up, on a column with the nearest
2110 * x coordinate on the screen (might be a different column).
2113 static void EDIT_MovePageUp_ML(EDITSTATE *es, BOOL extend)
2115 INT s = es->selection_start;
2116 INT e = es->selection_end;
2117 BOOL after_wrap = (es->flags & EF_AFTER_WRAP);
2118 LRESULT pos = EDIT_EM_PosFromChar(es, e, after_wrap);
2119 INT x = (short)LOWORD(pos);
2120 INT y = (short)HIWORD(pos);
2122 e = EDIT_CharFromPos(es, x,
2123 y - (es->format_rect.bottom - es->format_rect.top),
2127 EDIT_EM_SetSel(es, s, e, after_wrap);
2128 EDIT_EM_ScrollCaret(es);
2132 /*********************************************************************
2136 * Only for multi line controls
2137 * Move the caret one line up, on a column with the nearest
2138 * x coordinate on the screen (might be a different column).
2141 static void EDIT_MoveUp_ML(EDITSTATE *es, BOOL extend)
2143 INT s = es->selection_start;
2144 INT e = es->selection_end;
2145 BOOL after_wrap = (es->flags & EF_AFTER_WRAP);
2146 LRESULT pos = EDIT_EM_PosFromChar(es, e, after_wrap);
2147 INT x = (short)LOWORD(pos);
2148 INT y = (short)HIWORD(pos);
2150 e = EDIT_CharFromPos(es, x, y - es->line_height, &after_wrap);
2153 EDIT_EM_SetSel(es, s, e, after_wrap);
2154 EDIT_EM_ScrollCaret(es);
2158 /*********************************************************************
2160 * EDIT_MoveWordBackward
2163 static void EDIT_MoveWordBackward(EDITSTATE *es, BOOL extend)
2165 INT s = es->selection_start;
2166 INT e = es->selection_end;
2171 l = EDIT_EM_LineFromChar(es, e);
2172 ll = EDIT_EM_LineLength(es, e);
2173 li = EDIT_EM_LineIndex(es, l);
2176 li = EDIT_EM_LineIndex(es, l - 1);
2177 e = li + EDIT_EM_LineLength(es, li);
2180 e = li + EDIT_CallWordBreakProc(es, li, e - li, ll, WB_LEFT);
2184 EDIT_EM_SetSel(es, s, e, FALSE);
2185 EDIT_EM_ScrollCaret(es);
2189 /*********************************************************************
2191 * EDIT_MoveWordForward
2194 static void EDIT_MoveWordForward(EDITSTATE *es, BOOL extend)
2196 INT s = es->selection_start;
2197 INT e = es->selection_end;
2202 l = EDIT_EM_LineFromChar(es, e);
2203 ll = EDIT_EM_LineLength(es, e);
2204 li = EDIT_EM_LineIndex(es, l);
2206 if ((es->style & ES_MULTILINE) && (l != es->line_count - 1))
2207 e = EDIT_EM_LineIndex(es, l + 1);
2209 e = li + EDIT_CallWordBreakProc(es,
2210 li, e - li + 1, ll, WB_RIGHT);
2214 EDIT_EM_SetSel(es, s, e, FALSE);
2215 EDIT_EM_ScrollCaret(es);
2219 /*********************************************************************
2224 static void EDIT_PaintLine(EDITSTATE *es, HDC dc, INT line, BOOL rev)
2226 INT s = es->selection_start;
2227 INT e = es->selection_end;
2234 if (es->style & ES_MULTILINE) {
2235 INT vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
2236 if ((line < es->y_offset) || (line > es->y_offset + vlc) || (line >= es->line_count))
2241 TRACE("line=%d\n", line);
2243 pos = EDIT_EM_PosFromChar(es, EDIT_EM_LineIndex(es, line), FALSE);
2244 x = (short)LOWORD(pos);
2245 y = (short)HIWORD(pos);
2246 li = EDIT_EM_LineIndex(es, line);
2247 ll = EDIT_EM_LineLength(es, li);
2248 s = min(es->selection_start, es->selection_end);
2249 e = max(es->selection_start, es->selection_end);
2250 s = min(li + ll, max(li, s));
2251 e = min(li + ll, max(li, e));
2252 if (rev && (s != e) &&
2253 ((es->flags & EF_FOCUSED) || (es->style & ES_NOHIDESEL))) {
2254 x += EDIT_PaintText(es, dc, x, y, line, 0, s - li, FALSE);
2255 x += EDIT_PaintText(es, dc, x, y, line, s - li, e - s, TRUE);
2256 x += EDIT_PaintText(es, dc, x, y, line, e - li, li + ll - e, FALSE);
2258 x += EDIT_PaintText(es, dc, x, y, line, 0, ll, FALSE);
2262 /*********************************************************************
2267 static INT EDIT_PaintText(EDITSTATE *es, HDC dc, INT x, INT y, INT line, INT col, INT count, BOOL rev)
2271 LOGFONTW underline_font;
2272 HFONT hUnderline = 0;
2281 BkMode = GetBkMode(dc);
2282 BkColor = GetBkColor(dc);
2283 TextColor = GetTextColor(dc);
2285 if (es->composition_len == 0)
2287 SetBkColor(dc, GetSysColor(COLOR_HIGHLIGHT));
2288 SetTextColor(dc, GetSysColor(COLOR_HIGHLIGHTTEXT));
2289 SetBkMode( dc, OPAQUE);
2293 HFONT current = GetCurrentObject(dc,OBJ_FONT);
2294 GetObjectW(current,sizeof(LOGFONTW),&underline_font);
2295 underline_font.lfUnderline = TRUE;
2296 hUnderline = CreateFontIndirectW(&underline_font);
2297 old_font = SelectObject(dc,hUnderline);
2300 li = EDIT_EM_LineIndex(es, line);
2301 if (es->style & ES_MULTILINE) {
2302 ret = (INT)LOWORD(TabbedTextOutW(dc, x, y, es->text + li + col, count,
2303 es->tabs_count, es->tabs, es->format_rect.left - es->x_offset));
2305 LPWSTR text = EDIT_GetPasswordPointer_SL(es);
2306 TextOutW(dc, x, y, text + li + col, count);
2307 GetTextExtentPoint32W(dc, text + li + col, count, &size);
2309 if (es->style & ES_PASSWORD)
2310 HeapFree(GetProcessHeap(), 0, text);
2313 if (es->composition_len == 0)
2315 SetBkColor(dc, BkColor);
2316 SetTextColor(dc, TextColor);
2317 SetBkMode( dc, BkMode);
2322 SelectObject(dc,old_font);
2324 DeleteObject(hUnderline);
2331 /*********************************************************************
2336 static void EDIT_SetCaretPos(EDITSTATE *es, INT pos,
2339 LRESULT res = EDIT_EM_PosFromChar(es, pos, after_wrap);
2340 TRACE("%d - %dx%d\n", pos, (short)LOWORD(res), (short)HIWORD(res));
2341 SetCaretPos((short)LOWORD(res), (short)HIWORD(res));
2345 /*********************************************************************
2347 * EDIT_AdjustFormatRect
2349 * Adjusts the format rectangle for the current font and the
2350 * current client rectangle.
2353 static void EDIT_AdjustFormatRect(EDITSTATE *es)
2357 es->format_rect.right = max(es->format_rect.right, es->format_rect.left + es->char_width);
2358 if (es->style & ES_MULTILINE)
2360 INT fw, vlc, max_x_offset, max_y_offset;
2362 vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
2363 es->format_rect.bottom = es->format_rect.top + max(1, vlc) * es->line_height;
2365 /* correct es->x_offset */
2366 fw = es->format_rect.right - es->format_rect.left;
2367 max_x_offset = es->text_width - fw;
2368 if(max_x_offset < 0) max_x_offset = 0;
2369 if(es->x_offset > max_x_offset)
2370 es->x_offset = max_x_offset;
2372 /* correct es->y_offset */
2373 max_y_offset = es->line_count - vlc;
2374 if(max_y_offset < 0) max_y_offset = 0;
2375 if(es->y_offset > max_y_offset)
2376 es->y_offset = max_y_offset;
2378 /* force scroll info update */
2379 EDIT_UpdateScrollInfo(es);
2382 /* Windows doesn't care to fix text placement for SL controls */
2383 es->format_rect.bottom = es->format_rect.top + es->line_height;
2385 /* Always stay within the client area */
2386 GetClientRect(es->hwndSelf, &ClientRect);
2387 es->format_rect.bottom = min(es->format_rect.bottom, ClientRect.bottom);
2389 if ((es->style & ES_MULTILINE) && !(es->style & ES_AUTOHSCROLL))
2390 EDIT_BuildLineDefs_ML(es, 0, get_text_length(es), 0, NULL);
2392 EDIT_SetCaretPos(es, es->selection_end, es->flags & EF_AFTER_WRAP);
2396 /*********************************************************************
2400 * note: this is not (exactly) the handler called on EM_SETRECTNP
2401 * it is also used to set the rect of a single line control
2404 static void EDIT_SetRectNP(EDITSTATE *es, const RECT *rc)
2408 ExStyle = GetWindowLongPtrW(es->hwndSelf, GWL_EXSTYLE);
2410 CopyRect(&es->format_rect, rc);
2412 if (ExStyle & WS_EX_CLIENTEDGE) {
2413 es->format_rect.left++;
2414 es->format_rect.right--;
2416 if (es->format_rect.bottom - es->format_rect.top
2417 >= es->line_height + 2)
2419 es->format_rect.top++;
2420 es->format_rect.bottom--;
2423 else if (es->style & WS_BORDER) {
2424 bw = GetSystemMetrics(SM_CXBORDER) + 1;
2425 bh = GetSystemMetrics(SM_CYBORDER) + 1;
2426 es->format_rect.left += bw;
2427 es->format_rect.right -= bw;
2428 if (es->format_rect.bottom - es->format_rect.top
2429 >= es->line_height + 2 * bh)
2431 es->format_rect.top += bh;
2432 es->format_rect.bottom -= bh;
2436 es->format_rect.left += es->left_margin;
2437 es->format_rect.right -= es->right_margin;
2438 EDIT_AdjustFormatRect(es);
2442 /*********************************************************************
2447 static void EDIT_UnlockBuffer(EDITSTATE *es, BOOL force)
2450 /* Edit window might be already destroyed */
2451 if(!IsWindow(es->hwndSelf))
2453 WARN("edit hwnd %p already destroyed\n", es->hwndSelf);
2457 if (!es->lock_count) {
2458 ERR("lock_count == 0 ... please report\n");
2462 ERR("es->text == 0 ... please report\n");
2466 if (force || (es->lock_count == 1)) {
2470 UINT countW = get_text_length(es) + 1;
2471 STACK16FRAME* stack16 = NULL;
2476 UINT countA_new = WideCharToMultiByte(CP_ACP, 0, es->text, countW, NULL, 0, NULL, NULL);
2477 TRACE("Synchronizing with 32-bit ANSI buffer\n");
2478 TRACE("%d WCHARs translated to %d bytes\n", countW, countA_new);
2479 countA = LocalSize(es->hloc32A);
2480 if(countA_new > countA)
2483 UINT alloc_size = ROUND_TO_GROW(countA_new);
2484 TRACE("Resizing 32-bit ANSI buffer from %d to %d bytes\n", countA, alloc_size);
2485 hloc32A_new = LocalReAlloc(es->hloc32A, alloc_size, LMEM_MOVEABLE | LMEM_ZEROINIT);
2488 es->hloc32A = hloc32A_new;
2489 countA = LocalSize(hloc32A_new);
2490 TRACE("Real new size %d bytes\n", countA);
2493 WARN("FAILED! Will synchronize partially\n");
2495 textA = LocalLock(es->hloc32A);
2499 UINT countA_new = WideCharToMultiByte(CP_ACP, 0, es->text, countW, NULL, 0, NULL, NULL);
2501 TRACE("Synchronizing with 16-bit ANSI buffer\n");
2502 TRACE("%d WCHARs translated to %d bytes\n", countW, countA_new);
2504 stack16 = MapSL(PtrToUlong(NtCurrentTeb()->WOW32Reserved));
2505 oldDS = stack16->ds;
2506 stack16->ds = GetWindowLongPtrW( es->hwndSelf, GWLP_HINSTANCE );
2508 countA = LocalSize16(es->hloc16);
2509 if(countA_new > countA)
2511 HLOCAL16 hloc16_new;
2512 UINT alloc_size = ROUND_TO_GROW(countA_new);
2513 TRACE("Resizing 16-bit ANSI buffer from %d to %d bytes\n", countA, alloc_size);
2514 hloc16_new = LocalReAlloc16(es->hloc16, alloc_size, LMEM_MOVEABLE | LMEM_ZEROINIT);
2517 es->hloc16 = hloc16_new;
2518 countA = LocalSize16(hloc16_new);
2519 TRACE("Real new size %d bytes\n", countA);
2522 WARN("FAILED! Will synchronize partially\n");
2524 textA = MapSL(LocalLock16(es->hloc16));
2529 WideCharToMultiByte(CP_ACP, 0, es->text, countW, textA, countA, NULL, NULL);
2531 LocalUnlock16(es->hloc16);
2533 LocalUnlock(es->hloc32A);
2536 if (stack16) stack16->ds = oldDS;
2537 LocalUnlock(es->hloc32W);
2541 ERR("no buffer ... please report\n");
2549 /*********************************************************************
2551 * EDIT_UpdateScrollInfo
2554 static void EDIT_UpdateScrollInfo(EDITSTATE *es)
2556 if ((es->style & WS_VSCROLL) && !(es->flags & EF_VSCROLL_TRACK))
2559 si.cbSize = sizeof(SCROLLINFO);
2560 si.fMask = SIF_PAGE | SIF_POS | SIF_RANGE | SIF_DISABLENOSCROLL;
2562 si.nMax = es->line_count - 1;
2563 si.nPage = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
2564 si.nPos = es->y_offset;
2565 TRACE("SB_VERT, nMin=%d, nMax=%d, nPage=%d, nPos=%d\n",
2566 si.nMin, si.nMax, si.nPage, si.nPos);
2567 SetScrollInfo(es->hwndSelf, SB_VERT, &si, TRUE);
2570 if ((es->style & WS_HSCROLL) && !(es->flags & EF_HSCROLL_TRACK))
2573 si.cbSize = sizeof(SCROLLINFO);
2574 si.fMask = SIF_PAGE | SIF_POS | SIF_RANGE | SIF_DISABLENOSCROLL;
2576 si.nMax = es->text_width - 1;
2577 si.nPage = es->format_rect.right - es->format_rect.left;
2578 si.nPos = es->x_offset;
2579 TRACE("SB_HORZ, nMin=%d, nMax=%d, nPage=%d, nPos=%d\n",
2580 si.nMin, si.nMax, si.nPage, si.nPos);
2581 SetScrollInfo(es->hwndSelf, SB_HORZ, &si, TRUE);
2585 /*********************************************************************
2587 * EDIT_WordBreakProc
2589 * Find the beginning of words.
2590 * Note: unlike the specs for a WordBreakProc, this function only
2591 * allows to be called without linebreaks between s[0] up to
2592 * s[count - 1]. Remember it is only called
2593 * internally, so we can decide this for ourselves.
2596 static INT CALLBACK EDIT_WordBreakProc(LPWSTR s, INT index, INT count, INT action)
2600 TRACE("s=%p, index=%d, count=%d, action=%d\n", s, index, count, action);
2610 if (s[index] == ' ') {
2611 while (index && (s[index] == ' '))
2614 while (index && (s[index] != ' '))
2616 if (s[index] == ' ')
2620 while (index && (s[index] != ' '))
2622 if (s[index] == ' ')
2632 if (s[index] == ' ')
2633 while ((index < count) && (s[index] == ' ')) index++;
2635 while (s[index] && (s[index] != ' ') && (index < count))
2637 while ((s[index] == ' ') && (index < count)) index++;
2641 case WB_ISDELIMITER:
2642 ret = (s[index] == ' ');
2645 ERR("unknown action code, please report !\n");
2652 /*********************************************************************
2656 * returns line number (not index) in high-order word of result.
2657 * NB : Q137805 is unclear about this. POINT * pointer in lParam apply
2658 * to Richedit, not to the edit control. Original documentation is valid.
2659 * FIXME: do the specs mean to return -1 if outside client area or
2660 * if outside formatting rectangle ???
2663 static LRESULT EDIT_EM_CharFromPos(EDITSTATE *es, INT x, INT y)
2671 GetClientRect(es->hwndSelf, &rc);
2672 if (!PtInRect(&rc, pt))
2675 index = EDIT_CharFromPos(es, x, y, NULL);
2676 return MAKELONG(index, EDIT_EM_LineFromChar(es, index));
2680 /*********************************************************************
2684 * Enable or disable soft breaks.
2686 * This means: insert or remove the soft linebreak character (\r\r\n).
2687 * Take care to check if the text still fits the buffer after insertion.
2688 * If not, notify with EN_ERRSPACE.
2691 static BOOL EDIT_EM_FmtLines(EDITSTATE *es, BOOL add_eol)
2693 es->flags &= ~EF_USE_SOFTBRK;
2695 es->flags |= EF_USE_SOFTBRK;
2696 FIXME("soft break enabled, not implemented\n");
2702 /*********************************************************************
2706 * Hopefully this won't fire back at us.
2707 * We always start with a fixed buffer in the local heap.
2708 * Despite of the documentation says that the local heap is used
2709 * only if DS_LOCALEDIT flag is set, NT and 2000 always allocate
2710 * buffer on the local heap.
2713 static HLOCAL EDIT_EM_GetHandle(EDITSTATE *es)
2717 if (!(es->style & ES_MULTILINE))
2721 hLocal = es->hloc32W;
2727 UINT countA, alloc_size;
2728 TRACE("Allocating 32-bit ANSI alias buffer\n");
2729 countA = WideCharToMultiByte(CP_ACP, 0, es->text, -1, NULL, 0, NULL, NULL);
2730 alloc_size = ROUND_TO_GROW(countA);
2731 if(!(es->hloc32A = LocalAlloc(LMEM_MOVEABLE | LMEM_ZEROINIT, alloc_size)))
2733 ERR("Could not allocate %d bytes for 32-bit ANSI alias buffer\n", alloc_size);
2736 textA = LocalLock(es->hloc32A);
2737 WideCharToMultiByte(CP_ACP, 0, es->text, -1, textA, countA, NULL, NULL);
2738 LocalUnlock(es->hloc32A);
2740 hLocal = es->hloc32A;
2743 es->flags |= EF_APP_HAS_HANDLE;
2744 TRACE("Returning %p, LocalSize() = %ld\n", hLocal, LocalSize(hLocal));
2749 /*********************************************************************
2753 * Hopefully this won't fire back at us.
2754 * We always start with a buffer in 32 bit linear memory.
2755 * However, with this message a 16 bit application requests
2756 * a handle of 16 bit local heap memory, where it expects to find
2758 * It's a pitty that from this moment on we have to use this
2759 * local heap, because applications may rely on the handle
2762 * In this function we'll try to switch to local heap.
2764 static HLOCAL16 EDIT_EM_GetHandle16(EDITSTATE *es)
2767 UINT countA, alloc_size;
2768 STACK16FRAME* stack16;
2771 if (!(es->style & ES_MULTILINE))
2777 stack16 = MapSL(PtrToUlong(NtCurrentTeb()->WOW32Reserved));
2778 oldDS = stack16->ds;
2779 stack16->ds = GetWindowLongPtrW( es->hwndSelf, GWLP_HINSTANCE );
2781 if (!LocalHeapSize16()) {
2783 if (!LocalInit16(stack16->ds, 0, GlobalSize16(stack16->ds))) {
2784 ERR("could not initialize local heap\n");
2787 TRACE("local heap initialized\n");
2790 countA = WideCharToMultiByte(CP_ACP, 0, es->text, -1, NULL, 0, NULL, NULL);
2791 alloc_size = ROUND_TO_GROW(countA);
2793 TRACE("Allocating 16-bit ANSI alias buffer\n");
2794 if (!(es->hloc16 = LocalAlloc16(LMEM_MOVEABLE | LMEM_ZEROINIT, alloc_size))) {
2795 ERR("could not allocate new 16 bit buffer\n");
2799 if (!(textA = MapSL(LocalLock16( es->hloc16)))) {
2800 ERR("could not lock new 16 bit buffer\n");
2801 LocalFree16(es->hloc16);
2806 WideCharToMultiByte(CP_ACP, 0, es->text, -1, textA, countA, NULL, NULL);
2807 LocalUnlock16(es->hloc16);
2808 es->flags |= EF_APP_HAS_HANDLE;
2810 TRACE("Returning %04X, LocalSize() = %d\n", es->hloc16, LocalSize16(es->hloc16));
2813 stack16->ds = oldDS;
2818 /*********************************************************************
2823 static INT EDIT_EM_GetLine(EDITSTATE *es, INT line, LPWSTR dst, BOOL unicode)
2826 INT line_len, dst_len;
2829 if (es->style & ES_MULTILINE) {
2830 if (line >= es->line_count)
2834 i = EDIT_EM_LineIndex(es, line);
2836 line_len = EDIT_EM_LineLength(es, i);
2837 dst_len = *(WORD *)dst;
2840 if(dst_len <= line_len)
2842 memcpy(dst, src, dst_len * sizeof(WCHAR));
2845 else /* Append 0 if enough space */
2847 memcpy(dst, src, line_len * sizeof(WCHAR));
2854 INT ret = WideCharToMultiByte(CP_ACP, 0, src, line_len, (LPSTR)dst, dst_len, NULL, NULL);
2855 if(!ret && line_len) /* Insufficient buffer size */
2857 if(ret < dst_len) /* Append 0 if enough space */
2858 ((LPSTR)dst)[ret] = 0;
2864 /*********************************************************************
2869 static LRESULT EDIT_EM_GetSel(const EDITSTATE *es, PUINT start, PUINT end)
2871 UINT s = es->selection_start;
2872 UINT e = es->selection_end;
2879 return MAKELONG(s, e);
2883 /*********************************************************************
2887 * FIXME: is this right ? (or should it be only VSCROLL)
2888 * (and maybe only for edit controls that really have their
2889 * own scrollbars) (and maybe only for multiline controls ?)
2890 * All in all: very poorly documented
2893 static LRESULT EDIT_EM_GetThumb(EDITSTATE *es)
2895 return MAKELONG(EDIT_WM_VScroll(es, EM_GETTHUMB16, 0),
2896 EDIT_WM_HScroll(es, EM_GETTHUMB16, 0));
2900 /*********************************************************************
2905 static INT EDIT_EM_LineFromChar(EDITSTATE *es, INT index)
2910 if (!(es->style & ES_MULTILINE))
2912 if (index > (INT)get_text_length(es))
2913 return es->line_count - 1;
2915 index = min(es->selection_start, es->selection_end);
2918 line_def = es->first_line_def;
2919 index -= line_def->length;
2920 while ((index >= 0) && line_def->next) {
2922 line_def = line_def->next;
2923 index -= line_def->length;
2929 /*********************************************************************
2934 static INT EDIT_EM_LineIndex(const EDITSTATE *es, INT line)
2937 const LINEDEF *line_def;
2939 if (!(es->style & ES_MULTILINE))
2941 if (line >= es->line_count)
2945 line_def = es->first_line_def;
2947 INT index = es->selection_end - line_def->length;
2948 while ((index >= 0) && line_def->next) {
2949 line_index += line_def->length;
2950 line_def = line_def->next;
2951 index -= line_def->length;
2955 line_index += line_def->length;
2956 line_def = line_def->next;
2964 /*********************************************************************
2969 static INT EDIT_EM_LineLength(EDITSTATE *es, INT index)
2973 if (!(es->style & ES_MULTILINE))
2974 return get_text_length(es);
2977 /* get the number of remaining non-selected chars of selected lines */
2978 INT32 l; /* line number */
2979 INT32 li; /* index of first char in line */
2981 l = EDIT_EM_LineFromChar(es, es->selection_start);
2982 /* # chars before start of selection area */
2983 count = es->selection_start - EDIT_EM_LineIndex(es, l);
2984 l = EDIT_EM_LineFromChar(es, es->selection_end);
2985 /* # chars after end of selection */
2986 li = EDIT_EM_LineIndex(es, l);
2987 count += li + EDIT_EM_LineLength(es, li) - es->selection_end;
2990 line_def = es->first_line_def;
2991 index -= line_def->length;
2992 while ((index >= 0) && line_def->next) {
2993 line_def = line_def->next;
2994 index -= line_def->length;
2996 return line_def->net_length;
3000 /*********************************************************************
3004 * NOTE: dx is in average character widths, dy - in lines;
3007 static BOOL EDIT_EM_LineScroll(EDITSTATE *es, INT dx, INT dy)
3009 if (!(es->style & ES_MULTILINE))
3012 dx *= es->char_width;
3013 return EDIT_EM_LineScroll_internal(es, dx, dy);
3016 /*********************************************************************
3018 * EDIT_EM_LineScroll_internal
3020 * Version of EDIT_EM_LineScroll for internal use.
3021 * It doesn't refuse if ES_MULTILINE is set and assumes that
3022 * dx is in pixels, dy - in lines.
3025 static BOOL EDIT_EM_LineScroll_internal(EDITSTATE *es, INT dx, INT dy)
3028 INT x_offset_in_pixels;
3029 INT lines_per_page = (es->format_rect.bottom - es->format_rect.top) /
3032 if (es->style & ES_MULTILINE)
3034 x_offset_in_pixels = es->x_offset;
3039 x_offset_in_pixels = (short)LOWORD(EDIT_EM_PosFromChar(es, es->x_offset, FALSE));
3042 if (-dx > x_offset_in_pixels)
3043 dx = -x_offset_in_pixels;
3044 if (dx > es->text_width - x_offset_in_pixels)
3045 dx = es->text_width - x_offset_in_pixels;
3046 nyoff = max(0, es->y_offset + dy);
3047 if (nyoff >= es->line_count - lines_per_page)
3048 nyoff = max(0, es->line_count - lines_per_page);
3049 dy = (es->y_offset - nyoff) * es->line_height;
3054 es->y_offset = nyoff;
3055 if(es->style & ES_MULTILINE)
3058 es->x_offset += dx / es->char_width;
3060 GetClientRect(es->hwndSelf, &rc1);
3061 IntersectRect(&rc, &rc1, &es->format_rect);
3062 ScrollWindowEx(es->hwndSelf, -dx, dy,
3063 NULL, &rc, NULL, NULL, SW_INVALIDATE);
3064 /* force scroll info update */
3065 EDIT_UpdateScrollInfo(es);
3067 if (dx && !(es->flags & EF_HSCROLL_TRACK))
3068 EDIT_NOTIFY_PARENT(es, EN_HSCROLL);
3069 if (dy && !(es->flags & EF_VSCROLL_TRACK))
3070 EDIT_NOTIFY_PARENT(es, EN_VSCROLL);
3075 /*********************************************************************
3080 static LRESULT EDIT_EM_PosFromChar(EDITSTATE *es, INT index, BOOL after_wrap)
3082 INT len = get_text_length(es);
3095 index = min(index, len);
3096 dc = GetDC(es->hwndSelf);
3098 old_font = SelectObject(dc, es->font);
3099 if (es->style & ES_MULTILINE) {
3100 l = EDIT_EM_LineFromChar(es, index);
3101 y = (l - es->y_offset) * es->line_height;
3102 li = EDIT_EM_LineIndex(es, l);
3103 if (after_wrap && (li == index) && l) {
3105 line_def = es->first_line_def;
3107 line_def = line_def->next;
3110 if (line_def->ending == END_WRAP) {
3112 y -= es->line_height;
3113 li = EDIT_EM_LineIndex(es, l);
3117 line_def = es->first_line_def;
3118 while (line_def->index != li)
3119 line_def = line_def->next;
3121 ll = line_def->net_length;
3122 lw = line_def->width;
3124 w = es->format_rect.right - es->format_rect.left;
3125 if (es->style & ES_RIGHT)
3127 x = LOWORD(GetTabbedTextExtentW(dc, es->text + li + (index - li), ll - (index - li),
3128 es->tabs_count, es->tabs)) - es->x_offset;
3131 else if (es->style & ES_CENTER)
3133 x = LOWORD(GetTabbedTextExtentW(dc, es->text + li, index - li,
3134 es->tabs_count, es->tabs)) - es->x_offset;
3139 x = LOWORD(GetTabbedTextExtentW(dc, es->text + li, index - li,
3140 es->tabs_count, es->tabs)) - es->x_offset;
3143 LPWSTR text = EDIT_GetPasswordPointer_SL(es);
3144 if (index < es->x_offset) {
3145 GetTextExtentPoint32W(dc, text + index,
3146 es->x_offset - index, &size);
3149 GetTextExtentPoint32W(dc, text + es->x_offset,
3150 index - es->x_offset, &size);
3153 if (!es->x_offset && (es->style & (ES_RIGHT | ES_CENTER)))
3155 w = es->format_rect.right - es->format_rect.left;
3156 if (w > es->text_width)
3158 if (es->style & ES_RIGHT)
3159 x += w - es->text_width;
3160 else if (es->style & ES_CENTER)
3161 x += (w - es->text_width) / 2;
3166 if (es->style & ES_PASSWORD)
3167 HeapFree(GetProcessHeap(), 0, text);
3169 x += es->format_rect.left;
3170 y += es->format_rect.top;
3172 SelectObject(dc, old_font);
3173 ReleaseDC(es->hwndSelf, dc);
3174 return MAKELONG((INT16)x, (INT16)y);
3178 /*********************************************************************
3182 * FIXME: handle ES_NUMBER and ES_OEMCONVERT here
3185 static void EDIT_EM_ReplaceSel(EDITSTATE *es, BOOL can_undo, LPCWSTR lpsz_replace, BOOL send_update, BOOL honor_limit)
3187 UINT strl = strlenW(lpsz_replace);
3188 UINT tl = get_text_length(es);
3199 TRACE("%s, can_undo %d, send_update %d\n",
3200 debugstr_w(lpsz_replace), can_undo, send_update);
3202 s = es->selection_start;
3203 e = es->selection_end;
3205 if ((s == e) && !strl)
3210 size = tl - (e - s) + strl;
3214 /* Issue the EN_MAXTEXT notification and continue with replacing text
3215 * such that buffer limit is honored. */
3216 if ((honor_limit) && (size > es->buffer_limit)) {
3217 EDIT_NOTIFY_PARENT(es, EN_MAXTEXT);
3218 /* Buffer limit can be smaller than the actual length of text in combobox */
3219 if (es->buffer_limit < (tl - (e-s)))
3222 strl = es->buffer_limit - (tl - (e-s));
3225 if (!EDIT_MakeFit(es, tl - (e - s) + strl))
3229 /* there is something to be deleted */
3230 TRACE("deleting stuff.\n");
3232 buf = HeapAlloc(GetProcessHeap(), 0, (bufl + 1) * sizeof(WCHAR));
3234 memcpy(buf, es->text + s, bufl * sizeof(WCHAR));
3235 buf[bufl] = 0; /* ensure 0 termination */
3237 strcpyW(es->text + s, es->text + e);
3238 text_buffer_changed(es);
3241 /* there is an insertion */
3242 tl = get_text_length(es);
3243 TRACE("inserting stuff (tl %d, strl %d, selstart %d (%s), text %s)\n", tl, strl, s, debugstr_w(es->text + s), debugstr_w(es->text));
3244 for (p = es->text + tl ; p >= es->text + s ; p--)
3246 for (i = 0 , p = es->text + s ; i < strl ; i++)
3247 p[i] = lpsz_replace[i];
3248 if(es->style & ES_UPPERCASE)
3249 CharUpperBuffW(p, strl);
3250 else if(es->style & ES_LOWERCASE)
3251 CharLowerBuffW(p, strl);
3252 text_buffer_changed(es);
3254 if (es->style & ES_MULTILINE)
3256 INT st = min(es->selection_start, es->selection_end);
3257 INT vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
3259 hrgn = CreateRectRgn(0, 0, 0, 0);
3260 EDIT_BuildLineDefs_ML(es, st, st + strl,
3261 strl - abs(es->selection_end - es->selection_start), hrgn);
3262 /* if text is too long undo all changes */
3263 if (honor_limit && !(es->style & ES_AUTOVSCROLL) && (es->line_count > vlc)) {
3265 strcpyW(es->text + e, es->text + e + strl);
3267 for (i = 0 , p = es->text ; i < e - s ; i++)
3269 text_buffer_changed(es);
3270 EDIT_BuildLineDefs_ML(es, s, e,
3271 abs(es->selection_end - es->selection_start) - strl, hrgn);
3274 hrgn = CreateRectRgn(0, 0, 0, 0);
3275 EDIT_NOTIFY_PARENT(es, EN_MAXTEXT);
3279 INT fw = es->format_rect.right - es->format_rect.left;
3280 EDIT_CalcLineWidth_SL(es);
3281 /* remove chars that don't fit */
3282 if (honor_limit && !(es->style & ES_AUTOHSCROLL) && (es->text_width > fw)) {
3283 while ((es->text_width > fw) && s + strl >= s) {
3284 strcpyW(es->text + s + strl - 1, es->text + s + strl);
3286 EDIT_CalcLineWidth_SL(es);
3288 text_buffer_changed(es);
3289 EDIT_NOTIFY_PARENT(es, EN_MAXTEXT);
3295 utl = strlenW(es->undo_text);
3296 if (!es->undo_insert_count && (*es->undo_text && (s == es->undo_position))) {
3297 /* undo-buffer is extended to the right */
3298 EDIT_MakeUndoFit(es, utl + e - s);
3299 memcpy(es->undo_text + utl, buf, (e - s)*sizeof(WCHAR));
3300 (es->undo_text + utl)[e - s] = 0; /* ensure 0 termination */
3301 } else if (!es->undo_insert_count && (*es->undo_text && (e == es->undo_position))) {
3302 /* undo-buffer is extended to the left */
3303 EDIT_MakeUndoFit(es, utl + e - s);
3304 for (p = es->undo_text + utl ; p >= es->undo_text ; p--)
3306 for (i = 0 , p = es->undo_text ; i < e - s ; i++)
3308 es->undo_position = s;
3310 /* new undo-buffer */
3311 EDIT_MakeUndoFit(es, e - s);
3312 memcpy(es->undo_text, buf, (e - s)*sizeof(WCHAR));
3313 es->undo_text[e - s] = 0; /* ensure 0 termination */
3314 es->undo_position = s;
3316 /* any deletion makes the old insertion-undo invalid */
3317 es->undo_insert_count = 0;
3319 EDIT_EM_EmptyUndoBuffer(es);
3323 if ((s == es->undo_position) ||
3324 ((es->undo_insert_count) &&
3325 (s == es->undo_position + es->undo_insert_count)))
3327 * insertion is new and at delete position or
3328 * an extension to either left or right
3330 es->undo_insert_count += strl;
3332 /* new insertion undo */
3333 es->undo_position = s;
3334 es->undo_insert_count = strl;
3335 /* new insertion makes old delete-buffer invalid */
3336 *es->undo_text = '\0';
3339 EDIT_EM_EmptyUndoBuffer(es);
3343 HeapFree(GetProcessHeap(), 0, buf);
3347 /* If text has been deleted and we're right or center aligned then scroll rightward */
3348 if (es->style & (ES_RIGHT | ES_CENTER))
3350 INT delta = strl - abs(es->selection_end - es->selection_start);
3352 if (delta < 0 && es->x_offset)
3354 if (abs(delta) > es->x_offset)
3357 es->x_offset += delta;
3361 EDIT_EM_SetSel(es, s, s, FALSE);
3362 es->flags |= EF_MODIFIED;
3363 if (send_update) es->flags |= EF_UPDATE;
3366 EDIT_UpdateTextRegion(es, hrgn, TRUE);
3370 EDIT_UpdateText(es, NULL, TRUE);
3372 EDIT_EM_ScrollCaret(es);
3374 /* force scroll info update */
3375 EDIT_UpdateScrollInfo(es);
3378 if(send_update || (es->flags & EF_UPDATE))
3380 es->flags &= ~EF_UPDATE;
3381 EDIT_NOTIFY_PARENT(es, EN_CHANGE);
3386 /*********************************************************************
3391 static LRESULT EDIT_EM_Scroll(EDITSTATE *es, INT action)
3395 if (!(es->style & ES_MULTILINE))
3396 return (LRESULT)FALSE;
3406 if (es->y_offset < es->line_count - 1)
3411 dy = -(es->format_rect.bottom - es->format_rect.top) / es->line_height;
3414 if (es->y_offset < es->line_count - 1)
3415 dy = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
3418 return (LRESULT)FALSE;
3421 INT vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
3422 /* check if we are going to move too far */
3423 if(es->y_offset + dy > es->line_count - vlc)
3424 dy = es->line_count - vlc - es->y_offset;
3426 /* Notification is done in EDIT_EM_LineScroll */
3428 EDIT_EM_LineScroll(es, 0, dy);
3430 return MAKELONG((INT16)dy, (BOOL16)TRUE);
3434 /*********************************************************************
3439 static void EDIT_EM_ScrollCaret(EDITSTATE *es)
3441 if (es->style & ES_MULTILINE) {
3446 INT cw = es->char_width;
3451 l = EDIT_EM_LineFromChar(es, es->selection_end);
3452 li = EDIT_EM_LineIndex(es, l);
3453 x = (short)LOWORD(EDIT_EM_PosFromChar(es, es->selection_end, es->flags & EF_AFTER_WRAP));
3454 vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
3455 if (l >= es->y_offset + vlc)
3456 dy = l - vlc + 1 - es->y_offset;
3457 if (l < es->y_offset)
3458 dy = l - es->y_offset;
3459 ww = es->format_rect.right - es->format_rect.left;
3460 if (x < es->format_rect.left)
3461 dx = x - es->format_rect.left - ww / HSCROLL_FRACTION / cw * cw;
3462 if (x > es->format_rect.right)
3463 dx = x - es->format_rect.left - (HSCROLL_FRACTION - 1) * ww / HSCROLL_FRACTION / cw * cw;
3464 if (dy || dx || (es->y_offset && (es->line_count - es->y_offset < vlc)))
3466 /* check if we are going to move too far */
3467 if(es->x_offset + dx + ww > es->text_width)
3468 dx = es->text_width - ww - es->x_offset;
3469 if(dx || dy || (es->y_offset && (es->line_count - es->y_offset < vlc)))
3470 EDIT_EM_LineScroll_internal(es, dx, dy);
3477 x = (short)LOWORD(EDIT_EM_PosFromChar(es, es->selection_end, FALSE));
3478 format_width = es->format_rect.right - es->format_rect.left;
3479 if (x < es->format_rect.left) {
3480 goal = es->format_rect.left + format_width / HSCROLL_FRACTION;
3483 x = (short)LOWORD(EDIT_EM_PosFromChar(es, es->selection_end, FALSE));
3484 } while ((x < goal) && es->x_offset);
3485 /* FIXME: use ScrollWindow() somehow to improve performance */
3486 EDIT_UpdateText(es, NULL, TRUE);
3487 } else if (x > es->format_rect.right) {
3489 INT len = get_text_length(es);
3490 goal = es->format_rect.right - format_width / HSCROLL_FRACTION;
3493 x = (short)LOWORD(EDIT_EM_PosFromChar(es, es->selection_end, FALSE));
3494 x_last = (short)LOWORD(EDIT_EM_PosFromChar(es, len, FALSE));
3495 } while ((x > goal) && (x_last > es->format_rect.right));
3496 /* FIXME: use ScrollWindow() somehow to improve performance */
3497 EDIT_UpdateText(es, NULL, TRUE);
3501 if(es->flags & EF_FOCUSED)
3502 EDIT_SetCaretPos(es, es->selection_end, es->flags & EF_AFTER_WRAP);
3506 /*********************************************************************
3510 * FIXME: ES_LOWERCASE, ES_UPPERCASE, ES_OEMCONVERT, ES_NUMBER ???
3513 static void EDIT_EM_SetHandle(EDITSTATE *es, HLOCAL hloc)
3515 if (!(es->style & ES_MULTILINE))
3519 WARN("called with NULL handle\n");
3523 EDIT_UnlockBuffer(es, TRUE);
3527 STACK16FRAME* stack16 = MapSL(PtrToUlong(NtCurrentTeb()->WOW32Reserved));
3528 HANDLE16 oldDS = stack16->ds;
3530 stack16->ds = GetWindowLongPtrW( es->hwndSelf, GWLP_HINSTANCE );
3531 LocalFree16(es->hloc16);
3532 stack16->ds = oldDS;
3540 LocalFree(es->hloc32A);
3552 countA = LocalSize(hloc);
3553 textA = LocalLock(hloc);
3554 countW = MultiByteToWideChar(CP_ACP, 0, textA, countA, NULL, 0);
3555 if(!(hloc32W_new = LocalAlloc(LMEM_MOVEABLE | LMEM_ZEROINIT, countW * sizeof(WCHAR))))
3557 ERR("Could not allocate new unicode buffer\n");
3560 textW = LocalLock(hloc32W_new);
3561 MultiByteToWideChar(CP_ACP, 0, textA, countA, textW, countW);
3562 LocalUnlock(hloc32W_new);
3566 LocalFree(es->hloc32W);
3568 es->hloc32W = hloc32W_new;
3572 es->buffer_size = LocalSize(es->hloc32W)/sizeof(WCHAR) - 1;
3574 es->flags |= EF_APP_HAS_HANDLE;
3575 EDIT_LockBuffer(es);
3577 es->x_offset = es->y_offset = 0;
3578 es->selection_start = es->selection_end = 0;
3579 EDIT_EM_EmptyUndoBuffer(es);
3580 es->flags &= ~EF_MODIFIED;
3581 es->flags &= ~EF_UPDATE;
3582 EDIT_BuildLineDefs_ML(es, 0, get_text_length(es), 0, NULL);
3583 EDIT_UpdateText(es, NULL, TRUE);
3584 EDIT_EM_ScrollCaret(es);
3585 /* force scroll info update */
3586 EDIT_UpdateScrollInfo(es);
3590 /*********************************************************************
3594 * FIXME: ES_LOWERCASE, ES_UPPERCASE, ES_OEMCONVERT, ES_NUMBER ???
3597 static void EDIT_EM_SetHandle16(EDITSTATE *es, HLOCAL16 hloc)
3599 STACK16FRAME* stack16 = MapSL(PtrToUlong(NtCurrentTeb()->WOW32Reserved));
3600 HINSTANCE16 hInstance = GetWindowLongPtrW( es->hwndSelf, GWLP_HINSTANCE );
3601 HANDLE16 oldDS = stack16->ds;
3607 if (!(es->style & ES_MULTILINE))
3611 WARN("called with NULL handle\n");
3615 EDIT_UnlockBuffer(es, TRUE);
3619 LocalFree(es->hloc32A);
3623 stack16->ds = hInstance;
3624 countA = LocalSize16(hloc);
3625 textA = MapSL(LocalLock16(hloc));
3626 countW = MultiByteToWideChar(CP_ACP, 0, textA, countA, NULL, 0);
3627 if(!(hloc32W_new = LocalAlloc(LMEM_MOVEABLE | LMEM_ZEROINIT, countW * sizeof(WCHAR))))
3629 ERR("Could not allocate new unicode buffer\n");
3632 textW = LocalLock(hloc32W_new);
3633 MultiByteToWideChar(CP_ACP, 0, textA, countA, textW, countW);
3634 LocalUnlock(hloc32W_new);
3635 LocalUnlock16(hloc);
3636 stack16->ds = oldDS;
3639 LocalFree(es->hloc32W);
3641 es->hloc32W = hloc32W_new;
3644 es->buffer_size = LocalSize(es->hloc32W)/sizeof(WCHAR) - 1;
3646 es->flags |= EF_APP_HAS_HANDLE;
3647 EDIT_LockBuffer(es);
3649 es->x_offset = es->y_offset = 0;
3650 es->selection_start = es->selection_end = 0;
3651 EDIT_EM_EmptyUndoBuffer(es);
3652 es->flags &= ~EF_MODIFIED;
3653 es->flags &= ~EF_UPDATE;
3654 EDIT_BuildLineDefs_ML(es, 0, get_text_length(es), 0, NULL);
3655 EDIT_UpdateText(es, NULL, TRUE);
3656 EDIT_EM_ScrollCaret(es);
3657 /* force scroll info update */
3658 EDIT_UpdateScrollInfo(es);
3662 /*********************************************************************
3666 * NOTE: this version currently implements WinNT limits
3669 static void EDIT_EM_SetLimitText(EDITSTATE *es, UINT limit)
3671 if (!limit) limit = ~0u;
3672 if (!(es->style & ES_MULTILINE)) limit = min(limit, 0x7ffffffe);
3673 es->buffer_limit = limit;
3677 /*********************************************************************
3681 * EC_USEFONTINFO is used as a left or right value i.e. lParam and not as an
3682 * action wParam despite what the docs say. EC_USEFONTINFO calculates the
3683 * margin according to the textmetrics of the current font.
3685 * FIXME - With TrueType or vector fonts EC_USEFONTINFO currently sets one third
3686 * of the char's width as the margin, but this is not how Windows handles this.
3687 * For all other fonts Windows sets the margins to zero.
3689 * FIXME - When EC_USEFONTINFO is used the margins only change if the
3690 * edit control is equal to or larger than a certain size.
3691 * Interestingly if one subtracts both the left and right margins from
3692 * this size one always seems to get an even number. The extents of
3693 * the (four character) string "'**'" match this quite closely, so
3694 * we'll use this until we come up with a better idea.
3696 static int calc_min_set_margin_size(HDC dc, INT left, INT right)
3698 WCHAR magic_string[] = {'\'','*','*','\'', 0};
3701 GetTextExtentPointW(dc, magic_string, sizeof(magic_string)/sizeof(WCHAR) - 1, &sz);
3702 return sz.cx + left + right;
3705 static void EDIT_EM_SetMargins(EDITSTATE *es, INT action,
3706 WORD left, WORD right, BOOL repaint)
3709 INT default_left_margin = 0; /* in pixels */
3710 INT default_right_margin = 0; /* in pixels */
3712 /* Set the default margins depending on the font */
3713 if (es->font && (left == EC_USEFONTINFO || right == EC_USEFONTINFO)) {
3714 HDC dc = GetDC(es->hwndSelf);
3715 HFONT old_font = SelectObject(dc, es->font);
3716 GetTextMetricsW(dc, &tm);
3717 /* The default margins are only non zero for TrueType or Vector fonts */
3718 if (tm.tmPitchAndFamily & ( TMPF_VECTOR | TMPF_TRUETYPE )) {
3721 /* This must be calculated more exactly! But how? */
3722 default_left_margin = tm.tmAveCharWidth / 2;
3723 default_right_margin = tm.tmAveCharWidth / 2;
3724 min_size = calc_min_set_margin_size(dc, default_left_margin, default_right_margin);
3725 GetClientRect(es->hwndSelf, &rc);
3726 if(rc.right - rc.left < min_size) {
3727 default_left_margin = es->left_margin;
3728 default_right_margin = es->right_margin;
3731 SelectObject(dc, old_font);
3732 ReleaseDC(es->hwndSelf, dc);
3735 if (action & EC_LEFTMARGIN) {
3736 es->format_rect.left -= es->left_margin;
3737 if (left != EC_USEFONTINFO)
3738 es->left_margin = left;
3740 es->left_margin = default_left_margin;
3741 es->format_rect.left += es->left_margin;
3744 if (action & EC_RIGHTMARGIN) {
3745 es->format_rect.right += es->right_margin;
3746 if (right != EC_USEFONTINFO)
3747 es->right_margin = right;
3749 es->right_margin = default_right_margin;
3750 es->format_rect.right -= es->right_margin;
3753 if (action & (EC_LEFTMARGIN | EC_RIGHTMARGIN)) {
3754 EDIT_AdjustFormatRect(es);
3755 if (repaint) EDIT_UpdateText(es, NULL, TRUE);
3758 TRACE("left=%d, right=%d\n", es->left_margin, es->right_margin);
3762 /*********************************************************************
3764 * EM_SETPASSWORDCHAR
3767 static void EDIT_EM_SetPasswordChar(EDITSTATE *es, WCHAR c)
3771 if (es->style & ES_MULTILINE)
3774 if (es->password_char == c)
3777 style = GetWindowLongW( es->hwndSelf, GWL_STYLE );
3778 es->password_char = c;
3780 SetWindowLongW( es->hwndSelf, GWL_STYLE, style | ES_PASSWORD );
3781 es->style |= ES_PASSWORD;
3783 SetWindowLongW( es->hwndSelf, GWL_STYLE, style & ~ES_PASSWORD );
3784 es->style &= ~ES_PASSWORD;
3786 EDIT_UpdateText(es, NULL, TRUE);
3790 /*********************************************************************
3794 * note: unlike the specs say: the order of start and end
3795 * _is_ preserved in Windows. (i.e. start can be > end)
3796 * In other words: this handler is OK
3799 static void EDIT_EM_SetSel(EDITSTATE *es, UINT start, UINT end, BOOL after_wrap)
3801 UINT old_start = es->selection_start;
3802 UINT old_end = es->selection_end;
3803 UINT len = get_text_length(es);
3805 if (start == (UINT)-1) {
3806 start = es->selection_end;
3807 end = es->selection_end;
3809 start = min(start, len);
3810 end = min(end, len);
3812 es->selection_start = start;
3813 es->selection_end = end;
3815 es->flags |= EF_AFTER_WRAP;
3817 es->flags &= ~EF_AFTER_WRAP;
3818 /* Compute the necessary invalidation region. */
3819 /* Note that we don't need to invalidate regions which have
3820 * "never" been selected, or those which are "still" selected.
3821 * In fact, every time we hit a selection boundary, we can
3822 * *toggle* whether we need to invalidate. Thus we can optimize by
3823 * *sorting* the interval endpoints. Let's assume that we sort them
3825 * start <= end <= old_start <= old_end
3826 * Knuth 5.3.1 (p 183) asssures us that this can be done optimally
3827 * in 5 comparisons; ie it's impossible to do better than the
3829 ORDER_UINT(end, old_end);
3830 ORDER_UINT(start, old_start);
3831 ORDER_UINT(old_start, old_end);
3832 ORDER_UINT(start, end);
3833 /* Note that at this point 'end' and 'old_start' are not in order, but
3834 * start is definitely the min. and old_end is definitely the max. */
3835 if (end != old_start)
3839 * ORDER_UINT32(end, old_start);
3840 * EDIT_InvalidateText(es, start, end);
3841 * EDIT_InvalidateText(es, old_start, old_end);
3842 * in place of the following if statement.
3843 * (That would complete the optimal five-comparison four-element sort.)
3845 if (old_start > end )
3847 EDIT_InvalidateText(es, start, end);
3848 EDIT_InvalidateText(es, old_start, old_end);
3852 EDIT_InvalidateText(es, start, old_start);
3853 EDIT_InvalidateText(es, end, old_end);
3856 else EDIT_InvalidateText(es, start, old_end);
3860 /*********************************************************************
3865 static BOOL EDIT_EM_SetTabStops(EDITSTATE *es, INT count, const INT *tabs)
3867 if (!(es->style & ES_MULTILINE))
3869 HeapFree(GetProcessHeap(), 0, es->tabs);
3870 es->tabs_count = count;
3874 es->tabs = HeapAlloc(GetProcessHeap(), 0, count * sizeof(INT));
3875 memcpy(es->tabs, tabs, count * sizeof(INT));
3881 /*********************************************************************
3886 static BOOL EDIT_EM_SetTabStops16(EDITSTATE *es, INT count, const INT16 *tabs)
3888 if (!(es->style & ES_MULTILINE))
3890 HeapFree(GetProcessHeap(), 0, es->tabs);
3891 es->tabs_count = count;
3896 es->tabs = HeapAlloc(GetProcessHeap(), 0, count * sizeof(INT));
3897 for (i = 0 ; i < count ; i++)
3898 es->tabs[i] = *tabs++;
3904 /*********************************************************************
3906 * EM_SETWORDBREAKPROC
3909 static void EDIT_EM_SetWordBreakProc(EDITSTATE *es, void *wbp)
3911 if (es->word_break_proc == wbp)
3914 es->word_break_proc = wbp;
3915 es->word_break_proc16 = NULL;
3917 if ((es->style & ES_MULTILINE) && !(es->style & ES_AUTOHSCROLL)) {
3918 EDIT_BuildLineDefs_ML(es, 0, get_text_length(es), 0, NULL);
3919 EDIT_UpdateText(es, NULL, TRUE);
3924 /*********************************************************************
3926 * EM_SETWORDBREAKPROC16
3929 static void EDIT_EM_SetWordBreakProc16(EDITSTATE *es, EDITWORDBREAKPROC16 wbp)
3931 if (es->word_break_proc16 == wbp)
3934 es->word_break_proc = NULL;
3935 es->word_break_proc16 = wbp;
3936 if ((es->style & ES_MULTILINE) && !(es->style & ES_AUTOHSCROLL)) {
3937 EDIT_BuildLineDefs_ML(es, 0, get_text_length(es), 0, NULL);
3938 EDIT_UpdateText(es, NULL, TRUE);
3943 /*********************************************************************
3948 static BOOL EDIT_EM_Undo(EDITSTATE *es)
3953 /* As per MSDN spec, for a single-line edit control,
3954 the return value is always TRUE */
3955 if( es->style & ES_READONLY )
3956 return !(es->style & ES_MULTILINE);
3958 ulength = strlenW(es->undo_text);
3960 utext = HeapAlloc(GetProcessHeap(), 0, (ulength + 1) * sizeof(WCHAR));
3962 strcpyW(utext, es->undo_text);
3964 TRACE("before UNDO:insertion length = %d, deletion buffer = %s\n",
3965 es->undo_insert_count, debugstr_w(utext));
3967 EDIT_EM_SetSel(es, es->undo_position, es->undo_position + es->undo_insert_count, FALSE);
3968 EDIT_EM_EmptyUndoBuffer(es);
3969 EDIT_EM_ReplaceSel(es, TRUE, utext, TRUE, TRUE);
3970 EDIT_EM_SetSel(es, es->undo_position, es->undo_position + es->undo_insert_count, FALSE);
3971 /* send the notification after the selection start and end are set */
3972 EDIT_NOTIFY_PARENT(es, EN_CHANGE);
3973 EDIT_EM_ScrollCaret(es);
3974 HeapFree(GetProcessHeap(), 0, utext);
3976 TRACE("after UNDO:insertion length = %d, deletion buffer = %s\n",
3977 es->undo_insert_count, debugstr_w(es->undo_text));
3982 /* Helper function for WM_CHAR
3984 * According to an MSDN blog article titled "Just because you're a control
3985 * doesn't mean that you're necessarily inside a dialog box," multiline edit
3986 * controls without ES_WANTRETURN would attempt to detect whether it is inside
3987 * a dialog box or not.
3989 static BOOL EDIT_IsInsideDialog(EDITSTATE *es)
3996 pParent = WIN_GetPtr(es->hwndParent);
3997 if (pParent && pParent != WND_OTHER_PROCESS && pParent != WND_DESKTOP)
3999 if (pParent->flags & WIN_ISDIALOG)
4001 WIN_ReleasePtr(pParent);
4008 /*********************************************************************
4013 static LRESULT EDIT_WM_Char(EDITSTATE *es, WCHAR c)
4017 control = GetKeyState(VK_CONTROL) & 0x8000;
4021 /* If it's not a multiline edit box, it would be ignored below.
4022 * For multiline edit without ES_WANTRETURN, we have to make a
4025 if ((es->style & ES_MULTILINE) && !(es->style & ES_WANTRETURN))
4026 if (EDIT_IsInsideDialog(es))
4029 if (es->style & ES_MULTILINE) {
4030 if (es->style & ES_READONLY) {
4031 EDIT_MoveHome(es, FALSE, FALSE);
4032 EDIT_MoveDown_ML(es, FALSE);
4034 static const WCHAR cr_lfW[] = {'\r','\n',0};
4035 EDIT_EM_ReplaceSel(es, TRUE, cr_lfW, TRUE, TRUE);
4040 if ((es->style & ES_MULTILINE) && !(es->style & ES_READONLY))
4042 static const WCHAR tabW[] = {'\t',0};
4043 if (EDIT_IsInsideDialog(es))
4045 EDIT_EM_ReplaceSel(es, TRUE, tabW, TRUE, TRUE);
4049 if (!(es->style & ES_READONLY) && !control) {
4050 if (es->selection_start != es->selection_end)
4053 /* delete character left of caret */
4054 EDIT_EM_SetSel(es, (UINT)-1, 0, FALSE);
4055 EDIT_MoveBackward(es, TRUE);
4061 if (!(es->style & ES_PASSWORD))
4062 SendMessageW(es->hwndSelf, WM_COPY, 0, 0);
4065 if (!(es->style & ES_READONLY))
4066 SendMessageW(es->hwndSelf, WM_PASTE, 0, 0);
4069 if (!((es->style & ES_READONLY) || (es->style & ES_PASSWORD)))
4070 SendMessageW(es->hwndSelf, WM_CUT, 0, 0);
4073 if (!(es->style & ES_READONLY))
4074 SendMessageW(es->hwndSelf, WM_UNDO, 0, 0);
4078 /*If Edit control style is ES_NUMBER allow users to key in only numeric values*/
4079 if( (es->style & ES_NUMBER) && !( c >= '0' && c <= '9') )
4082 if (!(es->style & ES_READONLY) && (c >= ' ') && (c != 127)) {
4086 EDIT_EM_ReplaceSel(es, TRUE, str, TRUE, TRUE);
4094 /*********************************************************************
4099 static void EDIT_WM_Command(EDITSTATE *es, INT code, INT id, HWND control)
4101 if (code || control)
4121 EDIT_EM_SetSel(es, 0, (UINT)-1, FALSE);
4122 EDIT_EM_ScrollCaret(es);
4125 ERR("unknown menu item, please report\n");
4131 /*********************************************************************
4135 * Note: the resource files resource/sysres_??.rc cannot define a
4136 * single popup menu. Hence we use a (dummy) menubar
4137 * containing the single popup menu as its first item.
4139 * FIXME: the message identifiers have been chosen arbitrarily,
4140 * hence we use MF_BYPOSITION.
4141 * We might as well use the "real" values (anybody knows ?)
4142 * The menu definition is in resources/sysres_??.rc.
4143 * Once these are OK, we better use MF_BYCOMMAND here
4144 * (as we do in EDIT_WM_Command()).
4147 static void EDIT_WM_ContextMenu(EDITSTATE *es, INT x, INT y)
4149 HMENU menu = LoadMenuA(user32_module, "EDITMENU");
4150 HMENU popup = GetSubMenu(menu, 0);
4151 UINT start = es->selection_start;
4152 UINT end = es->selection_end;
4154 ORDER_UINT(start, end);
4157 EnableMenuItem(popup, 0, MF_BYPOSITION | (EDIT_EM_CanUndo(es) && !(es->style & ES_READONLY) ? MF_ENABLED : MF_GRAYED));
4159 EnableMenuItem(popup, 2, MF_BYPOSITION | ((end - start) && !(es->style & ES_PASSWORD) && !(es->style & ES_READONLY) ? MF_ENABLED : MF_GRAYED));
4161 EnableMenuItem(popup, 3, MF_BYPOSITION | ((end - start) && !(es->style & ES_PASSWORD) ? MF_ENABLED : MF_GRAYED));
4163 EnableMenuItem(popup, 4, MF_BYPOSITION | (IsClipboardFormatAvailable(CF_UNICODETEXT) && !(es->style & ES_READONLY) ? MF_ENABLED : MF_GRAYED));
4165 EnableMenuItem(popup, 5, MF_BYPOSITION | ((end - start) && !(es->style & ES_READONLY) ? MF_ENABLED : MF_GRAYED));
4167 EnableMenuItem(popup, 7, MF_BYPOSITION | (start || (end != get_text_length(es)) ? MF_ENABLED : MF_GRAYED));
4169 if (x == -1 && y == -1) /* passed via VK_APPS press/release */
4172 /* Windows places the menu at the edit's center in this case */
4173 GetClientRect(es->hwndSelf, &rc);
4174 MapWindowPoints(es->hwndSelf, 0, (POINT *)&rc, 2);
4175 x = rc.left + (rc.right - rc.left) / 2;
4176 y = rc.top + (rc.bottom - rc.top) / 2;
4179 TrackPopupMenu(popup, TPM_LEFTALIGN | TPM_RIGHTBUTTON, x, y, 0, es->hwndSelf, NULL);
4184 /*********************************************************************
4189 static void EDIT_WM_Copy(EDITSTATE *es)
4191 INT s = min(es->selection_start, es->selection_end);
4192 INT e = max(es->selection_start, es->selection_end);
4200 hdst = GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE, (len + 1) * sizeof(WCHAR));
4201 dst = GlobalLock(hdst);
4202 memcpy(dst, es->text + s, len * sizeof(WCHAR));
4203 dst[len] = 0; /* ensure 0 termination */
4204 TRACE("%s\n", debugstr_w(dst));
4206 OpenClipboard(es->hwndSelf);
4208 SetClipboardData(CF_UNICODETEXT, hdst);
4213 /*********************************************************************
4218 static LRESULT EDIT_WM_Create(EDITSTATE *es, LPCWSTR name)
4222 TRACE("%s\n", debugstr_w(name));
4224 * To initialize some final structure members, we call some helper
4225 * functions. However, since the EDITSTATE is not consistent (i.e.
4226 * not fully initialized), we should be very careful which
4227 * functions can be called, and in what order.
4229 EDIT_WM_SetFont(es, 0, FALSE);
4230 EDIT_EM_EmptyUndoBuffer(es);
4232 /* We need to calculate the format rect
4233 (applications may send EM_SETMARGINS before the control gets visible) */
4234 GetClientRect(es->hwndSelf, &clientRect);
4235 EDIT_SetRectNP(es, &clientRect);
4237 if (name && *name) {
4238 EDIT_EM_ReplaceSel(es, FALSE, name, FALSE, FALSE);
4239 /* if we insert text to the editline, the text scrolls out
4240 * of the window, as the caret is placed after the insert
4241 * pos normally; thus we reset es->selection... to 0 and
4244 es->selection_start = es->selection_end = 0;
4245 /* Adobe Photoshop does NOT like this. and MSDN says that EN_CHANGE
4246 * Messages are only to be sent when the USER does something to
4247 * change the contents. So I am removing this EN_CHANGE
4249 * EDIT_NOTIFY_PARENT(es, EN_CHANGE);
4251 EDIT_EM_ScrollCaret(es);
4253 /* force scroll info update */
4254 EDIT_UpdateScrollInfo(es);
4255 /* The rule seems to return 1 here for success */
4256 /* Power Builder masked edit controls will crash */
4258 /* FIXME: is that in all cases so ? */
4263 /*********************************************************************
4268 static LRESULT EDIT_WM_Destroy(EDITSTATE *es)
4273 while (LocalUnlock(es->hloc32W)) ;
4274 LocalFree(es->hloc32W);
4277 while (LocalUnlock(es->hloc32A)) ;
4278 LocalFree(es->hloc32A);
4281 STACK16FRAME* stack16 = MapSL(PtrToUlong(NtCurrentTeb()->WOW32Reserved));
4282 HANDLE16 oldDS = stack16->ds;
4284 stack16->ds = GetWindowLongPtrW( es->hwndSelf, GWLP_HINSTANCE );
4285 while (LocalUnlock16(es->hloc16)) ;
4286 LocalFree16(es->hloc16);
4287 stack16->ds = oldDS;
4290 pc = es->first_line_def;
4294 HeapFree(GetProcessHeap(), 0, pc);
4298 SetWindowLongPtrW( es->hwndSelf, 0, 0 );
4299 HeapFree(GetProcessHeap(), 0, es);
4305 /*********************************************************************
4310 static INT EDIT_WM_GetText(const EDITSTATE *es, INT count, LPWSTR dst, BOOL unicode)
4312 if(!count) return 0;
4316 lstrcpynW(dst, es->text, count);
4317 return strlenW(dst);
4321 LPSTR textA = (LPSTR)dst;
4322 if (!WideCharToMultiByte(CP_ACP, 0, es->text, -1, textA, count, NULL, NULL))
4323 textA[count - 1] = 0; /* ensure 0 termination */
4324 return strlen(textA);
4328 /*********************************************************************
4333 static LRESULT EDIT_WM_HScroll(EDITSTATE *es, INT action, INT pos)
4338 if (!(es->style & ES_MULTILINE))
4341 if (!(es->style & ES_AUTOHSCROLL))
4345 fw = es->format_rect.right - es->format_rect.left;
4348 TRACE("SB_LINELEFT\n");
4350 dx = -es->char_width;
4353 TRACE("SB_LINERIGHT\n");
4354 if (es->x_offset < es->text_width)
4355 dx = es->char_width;
4358 TRACE("SB_PAGELEFT\n");
4360 dx = -fw / HSCROLL_FRACTION / es->char_width * es->char_width;
4363 TRACE("SB_PAGERIGHT\n");
4364 if (es->x_offset < es->text_width)
4365 dx = fw / HSCROLL_FRACTION / es->char_width * es->char_width;
4373 TRACE("SB_RIGHT\n");
4374 if (es->x_offset < es->text_width)
4375 dx = es->text_width - es->x_offset;
4378 TRACE("SB_THUMBTRACK %d\n", pos);
4379 es->flags |= EF_HSCROLL_TRACK;
4380 if(es->style & WS_HSCROLL)
4381 dx = pos - es->x_offset;
4386 if(pos < 0 || pos > 100) return 0;
4387 /* Assume default scroll range 0-100 */
4388 fw = es->format_rect.right - es->format_rect.left;
4389 new_x = pos * (es->text_width - fw) / 100;
4390 dx = es->text_width ? (new_x - es->x_offset) : 0;
4393 case SB_THUMBPOSITION:
4394 TRACE("SB_THUMBPOSITION %d\n", pos);
4395 es->flags &= ~EF_HSCROLL_TRACK;
4396 if(GetWindowLongW( es->hwndSelf, GWL_STYLE ) & WS_HSCROLL)
4397 dx = pos - es->x_offset;
4402 if(pos < 0 || pos > 100) return 0;
4403 /* Assume default scroll range 0-100 */
4404 fw = es->format_rect.right - es->format_rect.left;
4405 new_x = pos * (es->text_width - fw) / 100;
4406 dx = es->text_width ? (new_x - es->x_offset) : 0;
4409 /* force scroll info update */
4410 EDIT_UpdateScrollInfo(es);
4411 EDIT_NOTIFY_PARENT(es, EN_HSCROLL);
4415 TRACE("SB_ENDSCROLL\n");
4418 * FIXME : the next two are undocumented !
4419 * Are we doing the right thing ?
4420 * At least Win 3.1 Notepad makes use of EM_GETTHUMB this way,
4421 * although it's also a regular control message.
4423 case EM_GETTHUMB: /* this one is used by NT notepad */
4427 if(GetWindowLongW( es->hwndSelf, GWL_STYLE ) & WS_HSCROLL)
4428 ret = GetScrollPos(es->hwndSelf, SB_HORZ);
4431 /* Assume default scroll range 0-100 */
4432 INT fw = es->format_rect.right - es->format_rect.left;
4433 ret = es->text_width ? es->x_offset * 100 / (es->text_width - fw) : 0;
4435 TRACE("EM_GETTHUMB: returning %ld\n", ret);
4438 case EM_LINESCROLL16:
4439 TRACE("EM_LINESCROLL16\n");
4444 ERR("undocumented WM_HSCROLL action %d (0x%04x), please report\n",
4450 INT fw = es->format_rect.right - es->format_rect.left;
4451 /* check if we are going to move too far */
4452 if(es->x_offset + dx + fw > es->text_width)
4453 dx = es->text_width - fw - es->x_offset;
4455 EDIT_EM_LineScroll_internal(es, dx, 0);
4461 /*********************************************************************
4466 static BOOL EDIT_CheckCombo(EDITSTATE *es, UINT msg, INT key)
4468 HWND hLBox = es->hwndListBox;
4476 hCombo = GetParent(es->hwndSelf);
4480 TRACE_(combo)("[%p]: handling msg %x (%x)\n", es->hwndSelf, msg, key);
4482 if (key == VK_UP || key == VK_DOWN)
4484 if (SendMessageW(hCombo, CB_GETEXTENDEDUI, 0, 0))
4487 if (msg == WM_KEYDOWN || nEUI)
4488 bDropped = (BOOL)SendMessageW(hCombo, CB_GETDROPPEDSTATE, 0, 0);
4494 if (!bDropped && nEUI && (key == VK_UP || key == VK_DOWN))
4496 /* make sure ComboLBox pops up */
4497 SendMessageW(hCombo, CB_SETEXTENDEDUI, FALSE, 0);
4502 SendMessageW(hLBox, WM_KEYDOWN, (WPARAM)key, 0);
4505 case WM_SYSKEYDOWN: /* Handle Alt+up/down arrows */
4507 SendMessageW(hCombo, CB_SHOWDROPDOWN, bDropped ? FALSE : TRUE, 0);
4509 SendMessageW(hLBox, WM_KEYDOWN, (WPARAM)VK_F4, 0);
4514 SendMessageW(hCombo, CB_SETEXTENDEDUI, TRUE, 0);
4520 /*********************************************************************
4524 * Handling of special keys that don't produce a WM_CHAR
4525 * (i.e. non-printable keys) & Backspace & Delete
4528 static LRESULT EDIT_WM_KeyDown(EDITSTATE *es, INT key)
4533 if (GetKeyState(VK_MENU) & 0x8000)
4536 shift = GetKeyState(VK_SHIFT) & 0x8000;
4537 control = GetKeyState(VK_CONTROL) & 0x8000;
4542 if (EDIT_CheckCombo(es, WM_KEYDOWN, key) || key == VK_F4)
4547 if ((es->style & ES_MULTILINE) && (key == VK_UP))
4548 EDIT_MoveUp_ML(es, shift);
4551 EDIT_MoveWordBackward(es, shift);
4553 EDIT_MoveBackward(es, shift);
4556 if (EDIT_CheckCombo(es, WM_KEYDOWN, key))
4560 if ((es->style & ES_MULTILINE) && (key == VK_DOWN))
4561 EDIT_MoveDown_ML(es, shift);
4563 EDIT_MoveWordForward(es, shift);
4565 EDIT_MoveForward(es, shift);
4568 EDIT_MoveHome(es, shift, control);
4571 EDIT_MoveEnd(es, shift, control);
4574 if (es->style & ES_MULTILINE)
4575 EDIT_MovePageUp_ML(es, shift);
4577 EDIT_CheckCombo(es, WM_KEYDOWN, key);
4580 if (es->style & ES_MULTILINE)
4581 EDIT_MovePageDown_ML(es, shift);
4583 EDIT_CheckCombo(es, WM_KEYDOWN, key);
4586 if (!(es->style & ES_READONLY) && !(shift && control)) {
4587 if (es->selection_start != es->selection_end) {
4594 /* delete character left of caret */
4595 EDIT_EM_SetSel(es, (UINT)-1, 0, FALSE);
4596 EDIT_MoveBackward(es, TRUE);
4598 } else if (control) {
4599 /* delete to end of line */
4600 EDIT_EM_SetSel(es, (UINT)-1, 0, FALSE);
4601 EDIT_MoveEnd(es, TRUE, FALSE);
4604 /* delete character right of caret */
4605 EDIT_EM_SetSel(es, (UINT)-1, 0, FALSE);
4606 EDIT_MoveForward(es, TRUE);
4614 if (!(es->style & ES_READONLY))
4620 /* If the edit doesn't want the return send a message to the default object */
4621 if(!(es->style & ES_MULTILINE) || !(es->style & ES_WANTRETURN))
4623 HWND hwndParent = GetParent(es->hwndSelf);
4624 DWORD dw = SendMessageW( hwndParent, DM_GETDEFID, 0, 0 );
4625 if (HIWORD(dw) == DC_HASDEFID)
4627 SendMessageW( hwndParent, WM_COMMAND,
4628 MAKEWPARAM( LOWORD(dw), BN_CLICKED ),
4629 (LPARAM)GetDlgItem( hwndParent, LOWORD(dw) ) );
4632 SendMessageW( hwndParent, WM_COMMAND, IDOK, (LPARAM)GetDlgItem( hwndParent, IDOK ) );
4636 if (!(es->style & ES_MULTILINE))
4637 SendMessageW(GetParent(es->hwndSelf), WM_COMMAND, IDCANCEL, (LPARAM)GetDlgItem( GetParent(es->hwndSelf), IDCANCEL ) );
4640 SendMessageW(es->hwndParent, WM_NEXTDLGCTL, shift, 0);
4647 /*********************************************************************
4652 static LRESULT EDIT_WM_KillFocus(EDITSTATE *es)
4654 es->flags &= ~EF_FOCUSED;
4656 if(!(es->style & ES_NOHIDESEL))
4657 EDIT_InvalidateText(es, es->selection_start, es->selection_end);
4658 EDIT_NOTIFY_PARENT(es, EN_KILLFOCUS);
4663 /*********************************************************************
4667 * The caret position has been set on the WM_LBUTTONDOWN message
4670 static LRESULT EDIT_WM_LButtonDblClk(EDITSTATE *es)
4673 INT e = es->selection_end;
4678 es->bCaptureState = TRUE;
4679 SetCapture(es->hwndSelf);
4681 l = EDIT_EM_LineFromChar(es, e);
4682 li = EDIT_EM_LineIndex(es, l);
4683 ll = EDIT_EM_LineLength(es, e);
4684 s = li + EDIT_CallWordBreakProc(es, li, e - li, ll, WB_LEFT);
4685 e = li + EDIT_CallWordBreakProc(es, li, e - li, ll, WB_RIGHT);
4686 EDIT_EM_SetSel(es, s, e, FALSE);
4687 EDIT_EM_ScrollCaret(es);
4688 es->region_posx = es->region_posy = 0;
4689 SetTimer(es->hwndSelf, 0, 100, NULL);
4694 /*********************************************************************
4699 static LRESULT EDIT_WM_LButtonDown(EDITSTATE *es, DWORD keys, INT x, INT y)
4704 es->bCaptureState = TRUE;
4705 SetCapture(es->hwndSelf);
4706 EDIT_ConfinePoint(es, &x, &y);
4707 e = EDIT_CharFromPos(es, x, y, &after_wrap);
4708 EDIT_EM_SetSel(es, (keys & MK_SHIFT) ? es->selection_start : e, e, after_wrap);
4709 EDIT_EM_ScrollCaret(es);
4710 es->region_posx = es->region_posy = 0;
4711 SetTimer(es->hwndSelf, 0, 100, NULL);
4713 if (!(es->flags & EF_FOCUSED))
4714 SetFocus(es->hwndSelf);
4720 /*********************************************************************
4725 static LRESULT EDIT_WM_LButtonUp(EDITSTATE *es)
4727 if (es->bCaptureState) {
4728 KillTimer(es->hwndSelf, 0);
4729 if (GetCapture() == es->hwndSelf) ReleaseCapture();
4731 es->bCaptureState = FALSE;
4736 /*********************************************************************
4741 static LRESULT EDIT_WM_MButtonDown(EDITSTATE *es)
4743 SendMessageW(es->hwndSelf, WM_PASTE, 0, 0);
4748 /*********************************************************************
4753 static LRESULT EDIT_WM_MouseMove(EDITSTATE *es, INT x, INT y)
4759 /* If the mouse has been captured by process other than the edit control itself,
4760 * the windows edit controls will not select the strings with mouse move.
4762 if (!es->bCaptureState || GetCapture() != es->hwndSelf)
4766 * FIXME: gotta do some scrolling if outside client
4767 * area. Maybe reset the timer ?
4770 EDIT_ConfinePoint(es, &x, &y);
4771 es->region_posx = (prex < x) ? -1 : ((prex > x) ? 1 : 0);
4772 es->region_posy = (prey < y) ? -1 : ((prey > y) ? 1 : 0);
4773 e = EDIT_CharFromPos(es, x, y, &after_wrap);
4774 EDIT_EM_SetSel(es, es->selection_start, e, after_wrap);
4775 EDIT_SetCaretPos(es,es->selection_end,es->flags & EF_AFTER_WRAP);
4780 /*********************************************************************
4784 * See also EDIT_WM_StyleChanged
4786 static LRESULT EDIT_WM_NCCreate(HWND hwnd, LPCREATESTRUCTW lpcs, BOOL unicode)
4791 TRACE("Creating %s edit control, style = %08x\n",
4792 unicode ? "Unicode" : "ANSI", lpcs->style);
4794 if (!(es = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*es))))
4796 SetWindowLongPtrW( hwnd, 0, (LONG_PTR)es );
4799 * Note: since the EDITSTATE has not been fully initialized yet,
4800 * we can't use any API calls that may send
4801 * WM_XXX messages before WM_NCCREATE is completed.
4804 es->is_unicode = unicode;
4805 es->style = lpcs->style;
4807 es->bEnableState = !(es->style & WS_DISABLED);
4809 es->hwndSelf = hwnd;
4810 /* Save parent, which will be notified by EN_* messages */
4811 es->hwndParent = lpcs->hwndParent;
4813 if (es->style & ES_COMBO)
4814 es->hwndListBox = GetDlgItem(es->hwndParent, ID_CB_LISTBOX);
4816 /* Number overrides lowercase overrides uppercase (at least it
4817 * does in Win95). However I'll bet that ES_NUMBER would be
4818 * invalid under Win 3.1.
4820 if (es->style & ES_NUMBER) {
4821 ; /* do not override the ES_NUMBER */
4822 } else if (es->style & ES_LOWERCASE) {
4823 es->style &= ~ES_UPPERCASE;
4825 if (es->style & ES_MULTILINE) {
4826 es->buffer_limit = BUFLIMIT_INITIAL;
4827 if (es->style & WS_VSCROLL)
4828 es->style |= ES_AUTOVSCROLL;
4829 if (es->style & WS_HSCROLL)
4830 es->style |= ES_AUTOHSCROLL;
4831 es->style &= ~ES_PASSWORD;
4832 if ((es->style & ES_CENTER) || (es->style & ES_RIGHT)) {
4833 /* Confirmed - RIGHT overrides CENTER */
4834 if (es->style & ES_RIGHT)
4835 es->style &= ~ES_CENTER;
4836 es->style &= ~WS_HSCROLL;
4837 es->style &= ~ES_AUTOHSCROLL;
4840 es->buffer_limit = BUFLIMIT_INITIAL;
4841 if ((es->style & ES_RIGHT) && (es->style & ES_CENTER))
4842 es->style &= ~ES_CENTER;
4843 es->style &= ~WS_HSCROLL;
4844 es->style &= ~WS_VSCROLL;
4845 if (es->style & ES_PASSWORD)
4846 es->password_char = '*';
4849 alloc_size = ROUND_TO_GROW((es->buffer_size + 1) * sizeof(WCHAR));
4850 if(!(es->hloc32W = LocalAlloc(LMEM_MOVEABLE | LMEM_ZEROINIT, alloc_size)))
4852 es->buffer_size = LocalSize(es->hloc32W)/sizeof(WCHAR) - 1;
4854 if (!(es->undo_text = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, (es->buffer_size + 1) * sizeof(WCHAR))))
4856 es->undo_buffer_size = es->buffer_size;
4858 if (es->style & ES_MULTILINE)
4859 if (!(es->first_line_def = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(LINEDEF))))
4864 * In Win95 look and feel, the WS_BORDER style is replaced by the
4865 * WS_EX_CLIENTEDGE style for the edit control. This gives the edit
4866 * control a nonclient area so we don't need to draw the border.
4867 * If WS_BORDER without WS_EX_CLIENTEDGE is specified we shouldn't have
4868 * a nonclient area and we should handle painting the border ourselves.
4870 * When making modifications please ensure that the code still works
4871 * for edit controls created directly with style 0x50800000, exStyle 0
4872 * (which should have a single pixel border)
4874 if (lpcs->dwExStyle & WS_EX_CLIENTEDGE)
4875 es->style &= ~WS_BORDER;
4876 else if (es->style & WS_BORDER)
4877 SetWindowLongW(hwnd, GWL_STYLE, es->style & ~WS_BORDER);
4882 /*********************************************************************
4887 static void EDIT_WM_Paint(EDITSTATE *es, HDC hdc)
4900 BOOL rev = es->bEnableState &&
4901 ((es->flags & EF_FOCUSED) ||
4902 (es->style & ES_NOHIDESEL));
4903 dc = hdc ? hdc : BeginPaint(es->hwndSelf, &ps);
4905 GetClientRect(es->hwndSelf, &rcClient);
4907 /* get the background brush */
4908 brush = EDIT_NotifyCtlColor(es, dc);
4910 /* paint the border and the background */
4911 IntersectClipRect(dc, rcClient.left, rcClient.top, rcClient.right, rcClient.bottom);
4913 if(es->style & WS_BORDER) {
4914 bw = GetSystemMetrics(SM_CXBORDER);
4915 bh = GetSystemMetrics(SM_CYBORDER);
4917 if(es->style & ES_MULTILINE) {
4918 if(es->style & WS_HSCROLL) rc.bottom+=bh;
4919 if(es->style & WS_VSCROLL) rc.right+=bw;
4922 /* Draw the frame. Same code as in nonclient.c */
4923 old_brush = SelectObject(dc, GetSysColorBrush(COLOR_WINDOWFRAME));
4924 PatBlt(dc, rc.left, rc.top, rc.right - rc.left, bh, PATCOPY);
4925 PatBlt(dc, rc.left, rc.top, bw, rc.bottom - rc.top, PATCOPY);
4926 PatBlt(dc, rc.left, rc.bottom - 1, rc.right - rc.left, -bw, PATCOPY);
4927 PatBlt(dc, rc.right - 1, rc.top, -bw, rc.bottom - rc.top, PATCOPY);
4928 SelectObject(dc, old_brush);
4930 /* Keep the border clean */
4931 IntersectClipRect(dc, rc.left+bw, rc.top+bh,
4932 max(rc.right-bw, rc.left+bw), max(rc.bottom-bh, rc.top+bh));
4935 GetClipBox(dc, &rc);
4936 FillRect(dc, &rc, brush);
4938 IntersectClipRect(dc, es->format_rect.left,
4939 es->format_rect.top,
4940 es->format_rect.right,
4941 es->format_rect.bottom);
4942 if (es->style & ES_MULTILINE) {
4944 IntersectClipRect(dc, rc.left, rc.top, rc.right, rc.bottom);
4947 old_font = SelectObject(dc, es->font);
4949 if (!es->bEnableState)
4950 SetTextColor(dc, GetSysColor(COLOR_GRAYTEXT));
4951 GetClipBox(dc, &rcRgn);
4952 if (es->style & ES_MULTILINE) {
4953 INT vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
4954 for (i = es->y_offset ; i <= min(es->y_offset + vlc, es->y_offset + es->line_count - 1) ; i++) {
4955 EDIT_GetLineRect(es, i, 0, -1, &rcLine);
4956 if (IntersectRect(&rc, &rcRgn, &rcLine))
4957 EDIT_PaintLine(es, dc, i, rev);
4960 EDIT_GetLineRect(es, 0, 0, -1, &rcLine);
4961 if (IntersectRect(&rc, &rcRgn, &rcLine))
4962 EDIT_PaintLine(es, dc, 0, rev);
4965 SelectObject(dc, old_font);
4968 EndPaint(es->hwndSelf, &ps);
4972 /*********************************************************************
4977 static void EDIT_WM_Paste(EDITSTATE *es)
4982 /* Protect read-only edit control from modification */
4983 if(es->style & ES_READONLY)
4986 OpenClipboard(es->hwndSelf);
4987 if ((hsrc = GetClipboardData(CF_UNICODETEXT))) {
4988 src = (LPWSTR)GlobalLock(hsrc);
4989 EDIT_EM_ReplaceSel(es, TRUE, src, TRUE, TRUE);
4992 else if (es->style & ES_PASSWORD) {
4993 /* clear selected text in password edit box even with empty clipboard */
4994 const WCHAR empty_strW[] = { 0 };
4995 EDIT_EM_ReplaceSel(es, TRUE, empty_strW, TRUE, TRUE);
5001 /*********************************************************************
5006 static void EDIT_WM_SetFocus(EDITSTATE *es)
5008 es->flags |= EF_FOCUSED;
5010 if (!(es->style & ES_NOHIDESEL))
5011 EDIT_InvalidateText(es, es->selection_start, es->selection_end);
5013 /* single line edit updates itself */
5014 if (!(es->style & ES_MULTILINE))
5016 HDC hdc = GetDC(es->hwndSelf);
5017 EDIT_WM_Paint(es, hdc);
5018 ReleaseDC(es->hwndSelf, hdc);
5021 CreateCaret(es->hwndSelf, 0, 2, es->line_height);
5022 EDIT_SetCaretPos(es, es->selection_end,
5023 es->flags & EF_AFTER_WRAP);
5024 ShowCaret(es->hwndSelf);
5025 EDIT_NOTIFY_PARENT(es, EN_SETFOCUS);
5029 /*********************************************************************
5033 * With Win95 look the margins are set to default font value unless
5034 * the system font (font == 0) is being set, in which case they are left
5038 static void EDIT_WM_SetFont(EDITSTATE *es, HFONT font, BOOL redraw)
5046 dc = GetDC(es->hwndSelf);
5048 old_font = SelectObject(dc, font);
5049 GetTextMetricsW(dc, &tm);
5050 es->line_height = tm.tmHeight;
5051 es->char_width = tm.tmAveCharWidth;
5053 SelectObject(dc, old_font);
5054 ReleaseDC(es->hwndSelf, dc);
5056 /* Reset the format rect and the margins */
5057 GetClientRect(es->hwndSelf, &clientRect);
5058 EDIT_SetRectNP(es, &clientRect);
5059 EDIT_EM_SetMargins(es, EC_LEFTMARGIN | EC_RIGHTMARGIN,
5060 EC_USEFONTINFO, EC_USEFONTINFO, FALSE);
5062 if (es->style & ES_MULTILINE)
5063 EDIT_BuildLineDefs_ML(es, 0, get_text_length(es), 0, NULL);
5065 EDIT_CalcLineWidth_SL(es);
5068 EDIT_UpdateText(es, NULL, TRUE);
5069 if (es->flags & EF_FOCUSED) {
5071 CreateCaret(es->hwndSelf, 0, 2, es->line_height);
5072 EDIT_SetCaretPos(es, es->selection_end,
5073 es->flags & EF_AFTER_WRAP);
5074 ShowCaret(es->hwndSelf);
5079 /*********************************************************************
5084 * For multiline controls (ES_MULTILINE), reception of WM_SETTEXT triggers:
5085 * The modified flag is reset. No notifications are sent.
5087 * For single-line controls, reception of WM_SETTEXT triggers:
5088 * The modified flag is reset. EN_UPDATE and EN_CHANGE notifications are sent.
5091 static void EDIT_WM_SetText(EDITSTATE *es, LPCWSTR text, BOOL unicode)
5093 LPWSTR textW = NULL;
5094 if (!unicode && text)
5096 LPCSTR textA = (LPCSTR)text;
5097 INT countW = MultiByteToWideChar(CP_ACP, 0, textA, -1, NULL, 0);
5098 textW = HeapAlloc(GetProcessHeap(), 0, countW * sizeof(WCHAR));
5100 MultiByteToWideChar(CP_ACP, 0, textA, -1, textW, countW);
5104 if (es->flags & EF_UPDATE)
5105 /* fixed this bug once; complain if we see it about to happen again. */
5106 ERR("SetSel may generate UPDATE message whose handler may reset "
5109 EDIT_EM_SetSel(es, 0, (UINT)-1, FALSE);
5112 TRACE("%s\n", debugstr_w(text));
5113 EDIT_EM_ReplaceSel(es, FALSE, text, FALSE, FALSE);
5115 HeapFree(GetProcessHeap(), 0, textW);
5119 static const WCHAR empty_stringW[] = {0};
5121 EDIT_EM_ReplaceSel(es, FALSE, empty_stringW, FALSE, FALSE);
5124 es->flags &= ~EF_MODIFIED;
5125 EDIT_EM_SetSel(es, 0, 0, FALSE);
5127 /* Send the notification after the selection start and end have been set
5128 * edit control doesn't send notification on WM_SETTEXT
5129 * if it is multiline, or it is part of combobox
5131 if( !((es->style & ES_MULTILINE) || es->hwndListBox))
5133 EDIT_NOTIFY_PARENT(es, EN_UPDATE);
5134 EDIT_NOTIFY_PARENT(es, EN_CHANGE);
5136 EDIT_EM_ScrollCaret(es);
5137 EDIT_UpdateScrollInfo(es);
5141 /*********************************************************************
5146 static void EDIT_WM_Size(EDITSTATE *es, UINT action, INT width, INT height)
5148 if ((action == SIZE_MAXIMIZED) || (action == SIZE_RESTORED)) {
5150 TRACE("width = %d, height = %d\n", width, height);
5151 SetRect(&rc, 0, 0, width, height);
5152 EDIT_SetRectNP(es, &rc);
5153 EDIT_UpdateText(es, NULL, TRUE);
5158 /*********************************************************************
5162 * This message is sent by SetWindowLong on having changed either the Style
5163 * or the extended style.
5165 * We ensure that the window's version of the styles and the EDITSTATE's agree.
5167 * See also EDIT_WM_NCCreate
5169 * It appears that the Windows version of the edit control allows the style
5170 * (as retrieved by GetWindowLong) to be any value and maintains an internal
5171 * style variable which will generally be different. In this function we
5172 * update the internal style based on what changed in the externally visible
5175 * Much of this content as based upon the MSDN, especially:
5176 * Platform SDK Documentation -> User Interface Services ->
5177 * Windows User Interface -> Edit Controls -> Edit Control Reference ->
5178 * Edit Control Styles
5180 static LRESULT EDIT_WM_StyleChanged ( EDITSTATE *es, WPARAM which, const STYLESTRUCT *style)
5182 if (GWL_STYLE == which) {
5183 DWORD style_change_mask;
5185 /* Only a subset of changes can be applied after the control
5188 style_change_mask = ES_UPPERCASE | ES_LOWERCASE |
5190 if (es->style & ES_MULTILINE)
5191 style_change_mask |= ES_WANTRETURN;
5193 new_style = style->styleNew & style_change_mask;
5195 /* Number overrides lowercase overrides uppercase (at least it
5196 * does in Win95). However I'll bet that ES_NUMBER would be
5197 * invalid under Win 3.1.
5199 if (new_style & ES_NUMBER) {
5200 ; /* do not override the ES_NUMBER */
5201 } else if (new_style & ES_LOWERCASE) {
5202 new_style &= ~ES_UPPERCASE;
5205 es->style = (es->style & ~style_change_mask) | new_style;
5206 } else if (GWL_EXSTYLE == which) {
5207 ; /* FIXME - what is needed here */
5209 WARN ("Invalid style change %ld\n",which);
5215 /*********************************************************************
5220 static LRESULT EDIT_WM_SysKeyDown(EDITSTATE *es, INT key, DWORD key_data)
5222 if ((key == VK_BACK) && (key_data & 0x2000)) {
5223 if (EDIT_EM_CanUndo(es))
5226 } else if (key == VK_UP || key == VK_DOWN) {
5227 if (EDIT_CheckCombo(es, WM_SYSKEYDOWN, key))
5230 return DefWindowProcW(es->hwndSelf, WM_SYSKEYDOWN, (WPARAM)key, (LPARAM)key_data);
5234 /*********************************************************************
5239 static void EDIT_WM_Timer(EDITSTATE *es)
5241 if (es->region_posx < 0) {
5242 EDIT_MoveBackward(es, TRUE);
5243 } else if (es->region_posx > 0) {
5244 EDIT_MoveForward(es, TRUE);
5247 * FIXME: gotta do some vertical scrolling here, like
5248 * EDIT_EM_LineScroll(hwnd, 0, 1);
5252 /*********************************************************************
5257 static LRESULT EDIT_WM_VScroll(EDITSTATE *es, INT action, INT pos)
5261 if (!(es->style & ES_MULTILINE))
5264 if (!(es->style & ES_AUTOVSCROLL))
5273 TRACE("action %d (%s)\n", action, (action == SB_LINEUP ? "SB_LINEUP" :
5274 (action == SB_LINEDOWN ? "SB_LINEDOWN" :
5275 (action == SB_PAGEUP ? "SB_PAGEUP" :
5277 EDIT_EM_Scroll(es, action);
5284 TRACE("SB_BOTTOM\n");
5285 dy = es->line_count - 1 - es->y_offset;
5288 TRACE("SB_THUMBTRACK %d\n", pos);
5289 es->flags |= EF_VSCROLL_TRACK;
5290 if(es->style & WS_VSCROLL)
5291 dy = pos - es->y_offset;
5294 /* Assume default scroll range 0-100 */
5297 if(pos < 0 || pos > 100) return 0;
5298 vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
5299 new_y = pos * (es->line_count - vlc) / 100;
5300 dy = es->line_count ? (new_y - es->y_offset) : 0;
5301 TRACE("line_count=%d, y_offset=%d, pos=%d, dy = %d\n",
5302 es->line_count, es->y_offset, pos, dy);
5305 case SB_THUMBPOSITION:
5306 TRACE("SB_THUMBPOSITION %d\n", pos);
5307 es->flags &= ~EF_VSCROLL_TRACK;
5308 if(es->style & WS_VSCROLL)
5309 dy = pos - es->y_offset;
5312 /* Assume default scroll range 0-100 */
5315 if(pos < 0 || pos > 100) return 0;
5316 vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
5317 new_y = pos * (es->line_count - vlc) / 100;
5318 dy = es->line_count ? (new_y - es->y_offset) : 0;
5319 TRACE("line_count=%d, y_offset=%d, pos=%d, dy = %d\n",
5320 es->line_count, es->y_offset, pos, dy);
5324 /* force scroll info update */
5325 EDIT_UpdateScrollInfo(es);
5326 EDIT_NOTIFY_PARENT(es, EN_VSCROLL);
5330 TRACE("SB_ENDSCROLL\n");
5333 * FIXME : the next two are undocumented !
5334 * Are we doing the right thing ?
5335 * At least Win 3.1 Notepad makes use of EM_GETTHUMB this way,
5336 * although it's also a regular control message.
5338 case EM_GETTHUMB: /* this one is used by NT notepad */
5342 if(GetWindowLongW( es->hwndSelf, GWL_STYLE ) & WS_VSCROLL)
5343 ret = GetScrollPos(es->hwndSelf, SB_VERT);
5346 /* Assume default scroll range 0-100 */
5347 INT vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
5348 ret = es->line_count ? es->y_offset * 100 / (es->line_count - vlc) : 0;
5350 TRACE("EM_GETTHUMB: returning %ld\n", ret);
5353 case EM_LINESCROLL16:
5354 TRACE("EM_LINESCROLL16 %d\n", pos);
5359 ERR("undocumented WM_VSCROLL action %d (0x%04x), please report\n",
5364 EDIT_EM_LineScroll(es, 0, dy);
5368 /*********************************************************************
5373 static void EDIT_UpdateTextRegion(EDITSTATE *es, HRGN hrgn, BOOL bErase)
5375 if (es->flags & EF_UPDATE) {
5376 es->flags &= ~EF_UPDATE;
5377 EDIT_NOTIFY_PARENT(es, EN_UPDATE);
5379 InvalidateRgn(es->hwndSelf, hrgn, bErase);
5383 /*********************************************************************
5388 static void EDIT_UpdateText(EDITSTATE *es, const RECT *rc, BOOL bErase)
5390 if (es->flags & EF_UPDATE) {
5391 es->flags &= ~EF_UPDATE;
5392 EDIT_NOTIFY_PARENT(es, EN_UPDATE);
5394 InvalidateRect(es->hwndSelf, rc, bErase);
5397 /********************************************************************
5399 * The Following code is to handle inline editing from IMEs
5402 static void EDIT_GetCompositionStr(HWND hwnd, LPARAM CompFlag, EDITSTATE *es)
5405 LPWSTR lpCompStr = NULL;
5407 LPSTR lpCompStrAttr = NULL;
5410 if (!(hIMC = ImmGetContext(hwnd)))
5413 buflen = ImmGetCompositionStringW(hIMC, GCS_COMPSTR, NULL, 0);
5417 ImmReleaseContext(hwnd, hIMC);
5421 lpCompStr = HeapAlloc(GetProcessHeap(),0,buflen + sizeof(WCHAR));
5424 ERR("Unable to allocate IME CompositionString\n");
5425 ImmReleaseContext(hwnd,hIMC);
5430 ImmGetCompositionStringW(hIMC, GCS_COMPSTR, lpCompStr, buflen);
5431 lpCompStr[buflen/sizeof(WCHAR)] = 0;
5433 if (CompFlag & GCS_COMPATTR)
5436 * We do not use the attributes yet. it would tell us what characters
5437 * are in transition and which are converted or decided upon
5439 dwBufLenAttr = ImmGetCompositionStringW(hIMC, GCS_COMPATTR, NULL, 0);
5443 lpCompStrAttr = HeapAlloc(GetProcessHeap(),0,dwBufLenAttr+1);
5446 ERR("Unable to allocate IME Attribute String\n");
5447 HeapFree(GetProcessHeap(),0,lpCompStr);
5448 ImmReleaseContext(hwnd,hIMC);
5451 ImmGetCompositionStringW(hIMC,GCS_COMPATTR, lpCompStrAttr,
5453 lpCompStrAttr[dwBufLenAttr] = 0;
5456 lpCompStrAttr = NULL;
5459 /* check for change in composition start */
5460 if (es->selection_end < es->composition_start)
5461 es->composition_start = es->selection_end;
5463 /* replace existing selection string */
5464 es->selection_start = es->composition_start;
5466 if (es->composition_len > 0)
5467 es->selection_end = es->composition_start + es->composition_len;
5469 es->selection_end = es->selection_start;
5471 EDIT_EM_ReplaceSel(es, FALSE, lpCompStr, TRUE, TRUE);
5472 es->composition_len = abs(es->composition_start - es->selection_end);
5474 es->selection_start = es->composition_start;
5475 es->selection_end = es->selection_start + es->composition_len;
5477 HeapFree(GetProcessHeap(),0,lpCompStrAttr);
5478 HeapFree(GetProcessHeap(),0,lpCompStr);
5479 ImmReleaseContext(hwnd,hIMC);
5482 static void EDIT_GetResultStr(HWND hwnd, EDITSTATE *es)
5488 if ( !(hIMC = ImmGetContext(hwnd)))
5491 buflen = ImmGetCompositionStringW(hIMC, GCS_RESULTSTR, NULL, 0);
5494 ImmReleaseContext(hwnd, hIMC);
5498 lpResultStr = HeapAlloc(GetProcessHeap(),0, buflen+sizeof(WCHAR));
5501 ERR("Unable to alloc buffer for IME string\n");
5502 ImmReleaseContext(hwnd, hIMC);
5506 ImmGetCompositionStringW(hIMC, GCS_RESULTSTR, lpResultStr, buflen);
5507 lpResultStr[buflen/sizeof(WCHAR)] = 0;
5509 /* check for change in composition start */
5510 if (es->selection_end < es->composition_start)
5511 es->composition_start = es->selection_end;
5513 es->selection_start = es->composition_start;
5514 es->selection_end = es->composition_start + es->composition_len;
5515 EDIT_EM_ReplaceSel(es, TRUE, lpResultStr, TRUE, TRUE);
5516 es->composition_start = es->selection_end;
5517 es->composition_len = 0;
5519 HeapFree(GetProcessHeap(),0,lpResultStr);
5520 ImmReleaseContext(hwnd, hIMC);
5523 static void EDIT_ImeComposition(HWND hwnd, LPARAM CompFlag, EDITSTATE *es)
5525 if (CompFlag & GCS_RESULTSTR)
5526 EDIT_GetResultStr(hwnd,es);
5527 if (CompFlag & GCS_COMPSTR)
5528 EDIT_GetCompositionStr(hwnd, CompFlag, es);