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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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
56 #include "wine/winbase16.h"
57 #include "wine/winuser16.h"
58 #include "wine/unicode.h"
60 #include "user_private.h"
61 #include "wine/debug.h"
63 WINE_DEFAULT_DEBUG_CHANNEL(edit);
64 WINE_DECLARE_DEBUG_CHANNEL(combo);
65 WINE_DECLARE_DEBUG_CHANNEL(relay);
67 #define BUFLIMIT_MULTI 65534 /* maximum buffer size (not including '\0')
68 FIXME: BTW, new specs say 65535 (do you dare ???) */
69 #define BUFLIMIT_SINGLE 32766 /* maximum buffer size (not including '\0') */
70 #define GROWLENGTH 32 /* buffers granularity in bytes: must be power of 2 */
71 #define ROUND_TO_GROW(size) (((size) + (GROWLENGTH - 1)) & ~(GROWLENGTH - 1))
72 #define HSCROLL_FRACTION 3 /* scroll window by 1/3 width */
75 * extra flags for EDITSTATE.flags field
77 #define EF_MODIFIED 0x0001 /* text has been modified */
78 #define EF_FOCUSED 0x0002 /* we have input focus */
79 #define EF_UPDATE 0x0004 /* notify parent of changed state */
80 #define EF_VSCROLL_TRACK 0x0008 /* don't SetScrollPos() since we are tracking the thumb */
81 #define EF_HSCROLL_TRACK 0x0010 /* don't SetScrollPos() since we are tracking the thumb */
82 #define EF_AFTER_WRAP 0x0080 /* the caret is displayed after the last character of a
83 wrapped line, instead of in front of the next character */
84 #define EF_USE_SOFTBRK 0x0100 /* Enable soft breaks in text. */
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 buffer_size; /* the size of the buffer in characters */
109 UINT buffer_limit; /* the maximum size to which the buffer may grow in characters */
110 HFONT font; /* NULL means standard system font */
111 INT x_offset; /* scroll offset for multi lines this is in pixels
112 for single lines it's in characters */
113 INT line_height; /* height of a screen line in pixels */
114 INT char_width; /* average character width in pixels */
115 DWORD style; /* sane version of wnd->dwStyle */
116 WORD flags; /* flags that are not in es->style or wnd->flags (EF_XXX) */
117 INT undo_insert_count; /* number of characters inserted in sequence */
118 UINT undo_position; /* character index of the insertion and deletion */
119 LPWSTR undo_text; /* deleted text */
120 UINT undo_buffer_size; /* size of the deleted text buffer */
121 INT selection_start; /* == selection_end if no selection */
122 INT selection_end; /* == current caret position */
123 WCHAR password_char; /* == 0 if no password char, and for multi line controls */
124 INT left_margin; /* in pixels */
125 INT right_margin; /* in pixels */
127 INT text_width; /* width of the widest line in pixels for multi line controls
128 and just line width for single line controls */
129 INT region_posx; /* Position of cursor relative to region: */
130 INT region_posy; /* -1: to left, 0: within, 1: to right */
131 EDITWORDBREAKPROC16 word_break_proc16;
132 void *word_break_proc; /* 32-bit word break proc: ANSI or Unicode */
133 INT line_count; /* number of lines */
134 INT y_offset; /* scroll offset in number of lines */
135 BOOL bCaptureState; /* flag indicating whether mouse was captured */
136 BOOL bEnableState; /* flag keeping the enable state */
137 HWND hwndSelf; /* the our window handle */
138 HWND hwndParent; /* Handle of parent for sending EN_* messages.
139 Even if parent will change, EN_* messages
140 should be sent to the first parent. */
141 HWND hwndListBox; /* handle of ComboBox's listbox or NULL */
143 * only for multi line controls
145 INT lock_count; /* amount of re-entries in the EditWndProc */
148 LINEDEF *first_line_def; /* linked list of (soft) linebreaks */
149 HLOCAL hloc32W; /* our unicode local memory block */
150 HLOCAL16 hloc16; /* alias for 16-bit control receiving EM_GETHANDLE16
152 HLOCAL hloc32A; /* alias for ANSI control receiving EM_GETHANDLE
157 #define SWAP_UINT32(x,y) do { UINT temp = (UINT)(x); (x) = (UINT)(y); (y) = temp; } while(0)
158 #define ORDER_UINT(x,y) do { if ((UINT)(y) < (UINT)(x)) SWAP_UINT32((x),(y)); } while(0)
160 /* used for disabled or read-only edit control */
161 #define EDIT_NOTIFY_PARENT(es, wNotifyCode) \
163 { /* Notify parent which has created this edit control */ \
164 TRACE("notification " #wNotifyCode " sent to hwnd=%p\n", es->hwndParent); \
165 SendMessageW(es->hwndParent, WM_COMMAND, \
166 MAKEWPARAM(GetWindowLongPtrW((es->hwndSelf),GWLP_ID), wNotifyCode), \
167 (LPARAM)(es->hwndSelf)); \
170 /*********************************************************************
177 * These functions have trivial implementations
178 * We still like to call them internally
179 * "static inline" makes them more like macro's
181 static inline BOOL EDIT_EM_CanUndo(EDITSTATE *es);
182 static inline void EDIT_EM_EmptyUndoBuffer(EDITSTATE *es);
183 static inline void EDIT_WM_Clear(EDITSTATE *es);
184 static inline void EDIT_WM_Cut(EDITSTATE *es);
187 * Helper functions only valid for one type of control
189 static void EDIT_BuildLineDefs_ML(EDITSTATE *es, INT iStart, INT iEnd, INT delta, HRGN hrgn);
190 static void EDIT_CalcLineWidth_SL(EDITSTATE *es);
191 static LPWSTR EDIT_GetPasswordPointer_SL(EDITSTATE *es);
192 static void EDIT_MoveDown_ML(EDITSTATE *es, BOOL extend);
193 static void EDIT_MovePageDown_ML(EDITSTATE *es, BOOL extend);
194 static void EDIT_MovePageUp_ML(EDITSTATE *es, BOOL extend);
195 static void EDIT_MoveUp_ML(EDITSTATE *es, BOOL extend);
197 * Helper functions valid for both single line _and_ multi line controls
199 static INT EDIT_CallWordBreakProc(EDITSTATE *es, INT start, INT index, INT count, INT action);
200 static INT EDIT_CharFromPos(EDITSTATE *es, INT x, INT y, LPBOOL after_wrap);
201 static void EDIT_ConfinePoint(EDITSTATE *es, LPINT x, LPINT y);
202 static void EDIT_GetLineRect(EDITSTATE *es, INT line, INT scol, INT ecol, LPRECT rc);
203 static void EDIT_InvalidateText(EDITSTATE *es, INT start, INT end);
204 static void EDIT_LockBuffer(EDITSTATE *es);
205 static BOOL EDIT_MakeFit(EDITSTATE *es, UINT size);
206 static BOOL EDIT_MakeUndoFit(EDITSTATE *es, UINT size);
207 static void EDIT_MoveBackward(EDITSTATE *es, BOOL extend);
208 static void EDIT_MoveEnd(EDITSTATE *es, BOOL extend);
209 static void EDIT_MoveForward(EDITSTATE *es, BOOL extend);
210 static void EDIT_MoveHome(EDITSTATE *es, BOOL extend);
211 static void EDIT_MoveWordBackward(EDITSTATE *es, BOOL extend);
212 static void EDIT_MoveWordForward(EDITSTATE *es, BOOL extend);
213 static void EDIT_PaintLine(EDITSTATE *es, HDC hdc, INT line, BOOL rev);
214 static INT EDIT_PaintText(EDITSTATE *es, HDC hdc, INT x, INT y, INT line, INT col, INT count, BOOL rev);
215 static void EDIT_SetCaretPos(EDITSTATE *es, INT pos, BOOL after_wrap);
216 static void EDIT_AdjustFormatRect(EDITSTATE *es);
217 static void EDIT_SetRectNP(EDITSTATE *es, LPRECT lprc);
218 static void EDIT_UnlockBuffer(EDITSTATE *es, BOOL force);
219 static void EDIT_UpdateScrollInfo(EDITSTATE *es);
220 static INT CALLBACK EDIT_WordBreakProc(LPWSTR s, INT index, INT count, INT action);
222 * EM_XXX message handlers
224 static LRESULT EDIT_EM_CharFromPos(EDITSTATE *es, INT x, INT y);
225 static BOOL EDIT_EM_FmtLines(EDITSTATE *es, BOOL add_eol);
226 static HLOCAL EDIT_EM_GetHandle(EDITSTATE *es);
227 static HLOCAL16 EDIT_EM_GetHandle16(EDITSTATE *es);
228 static INT EDIT_EM_GetLine(EDITSTATE *es, INT line, LPWSTR dst, BOOL unicode);
229 static LRESULT EDIT_EM_GetSel(EDITSTATE *es, PUINT start, PUINT end);
230 static LRESULT EDIT_EM_GetThumb(EDITSTATE *es);
231 static INT EDIT_EM_LineFromChar(EDITSTATE *es, INT index);
232 static INT EDIT_EM_LineIndex(EDITSTATE *es, INT line);
233 static INT EDIT_EM_LineLength(EDITSTATE *es, INT index);
234 static BOOL EDIT_EM_LineScroll(EDITSTATE *es, INT dx, INT dy);
235 static BOOL EDIT_EM_LineScroll_internal(EDITSTATE *es, INT dx, INT dy);
236 static LRESULT EDIT_EM_PosFromChar(EDITSTATE *es, INT index, BOOL after_wrap);
237 static void EDIT_EM_ReplaceSel(EDITSTATE *es, BOOL can_undo, LPCWSTR lpsz_replace, BOOL send_update, BOOL honor_limit);
238 static LRESULT EDIT_EM_Scroll(EDITSTATE *es, INT action);
239 static void EDIT_EM_ScrollCaret(EDITSTATE *es);
240 static void EDIT_EM_SetHandle(EDITSTATE *es, HLOCAL hloc);
241 static void EDIT_EM_SetHandle16(EDITSTATE *es, HLOCAL16 hloc);
242 static void EDIT_EM_SetLimitText(EDITSTATE *es, INT limit);
243 static void EDIT_EM_SetMargins(EDITSTATE *es, INT action, INT left, INT right, BOOL repaint);
244 static void EDIT_EM_SetPasswordChar(EDITSTATE *es, WCHAR c);
245 static void EDIT_EM_SetSel(EDITSTATE *es, UINT start, UINT end, BOOL after_wrap);
246 static BOOL EDIT_EM_SetTabStops(EDITSTATE *es, INT count, LPINT tabs);
247 static BOOL EDIT_EM_SetTabStops16(EDITSTATE *es, INT count, LPINT16 tabs);
248 static void EDIT_EM_SetWordBreakProc(EDITSTATE *es, void *wbp);
249 static void EDIT_EM_SetWordBreakProc16(EDITSTATE *es, EDITWORDBREAKPROC16 wbp);
250 static BOOL EDIT_EM_Undo(EDITSTATE *es);
252 * WM_XXX message handlers
254 static void EDIT_WM_Char(EDITSTATE *es, WCHAR c);
255 static void EDIT_WM_Command(EDITSTATE *es, INT code, INT id, HWND conrtol);
256 static void EDIT_WM_ContextMenu(EDITSTATE *es, INT x, INT y);
257 static void EDIT_WM_Copy(EDITSTATE *es);
258 static LRESULT EDIT_WM_Create(EDITSTATE *es, LPCWSTR name);
259 static LRESULT EDIT_WM_Destroy(EDITSTATE *es);
260 static LRESULT EDIT_WM_EraseBkGnd(EDITSTATE *es, HDC dc);
261 static INT EDIT_WM_GetText(EDITSTATE *es, INT count, LPWSTR dst, BOOL unicode);
262 static LRESULT EDIT_WM_HScroll(EDITSTATE *es, INT action, INT pos);
263 static LRESULT EDIT_WM_KeyDown(EDITSTATE *es, INT key);
264 static LRESULT EDIT_WM_KillFocus(EDITSTATE *es);
265 static LRESULT EDIT_WM_LButtonDblClk(EDITSTATE *es);
266 static LRESULT EDIT_WM_LButtonDown(EDITSTATE *es, DWORD keys, INT x, INT y);
267 static LRESULT EDIT_WM_LButtonUp(EDITSTATE *es);
268 static LRESULT EDIT_WM_MButtonDown(EDITSTATE *es);
269 static LRESULT EDIT_WM_MouseMove(EDITSTATE *es, INT x, INT y);
270 static LRESULT EDIT_WM_NCCreate(HWND hwnd, LPCREATESTRUCTW lpcs, BOOL unicode);
271 static void EDIT_WM_Paint(EDITSTATE *es, HDC hdc);
272 static void EDIT_WM_Paste(EDITSTATE *es);
273 static void EDIT_WM_SetFocus(EDITSTATE *es);
274 static void EDIT_WM_SetFont(EDITSTATE *es, HFONT font, BOOL redraw);
275 static void EDIT_WM_SetText(EDITSTATE *es, LPCWSTR text, BOOL unicode);
276 static void EDIT_WM_Size(EDITSTATE *es, UINT action, INT width, INT height);
277 static LRESULT EDIT_WM_StyleChanged(EDITSTATE *es, WPARAM which, const STYLESTRUCT *style);
278 static LRESULT EDIT_WM_SysKeyDown(EDITSTATE *es, INT key, DWORD key_data);
279 static void EDIT_WM_Timer(EDITSTATE *es);
280 static LRESULT EDIT_WM_VScroll(EDITSTATE *es, INT action, INT pos);
281 static void EDIT_UpdateText(EDITSTATE *es, LPRECT rc, BOOL bErase);
282 static void EDIT_UpdateTextRegion(EDITSTATE *es, HRGN hrgn, BOOL bErase);
284 LRESULT WINAPI EditWndProcA(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
285 LRESULT WINAPI EditWndProcW(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
287 /*********************************************************************
288 * edit class descriptor
290 const struct builtin_class_descr EDIT_builtin_class =
293 CS_DBLCLKS | CS_PARENTDC, /* style */
294 EditWndProcA, /* procA */
295 EditWndProcW, /* procW */
296 sizeof(EDITSTATE *), /* extra */
297 IDC_IBEAM, /* cursor */
302 /*********************************************************************
307 static inline BOOL EDIT_EM_CanUndo(EDITSTATE *es)
309 return (es->undo_insert_count || strlenW(es->undo_text));
313 /*********************************************************************
318 static inline void EDIT_EM_EmptyUndoBuffer(EDITSTATE *es)
320 es->undo_insert_count = 0;
321 *es->undo_text = '\0';
325 /*********************************************************************
330 static inline void EDIT_WM_Clear(EDITSTATE *es)
332 static const WCHAR empty_stringW[] = {0};
334 /* Protect read-only edit control from modification */
335 if(es->style & ES_READONLY)
338 EDIT_EM_ReplaceSel(es, TRUE, empty_stringW, TRUE, TRUE);
342 /*********************************************************************
347 static inline void EDIT_WM_Cut(EDITSTATE *es)
354 /**********************************************************************
357 * Returns the window version in case Wine emulates a later version
358 * of windows than the application expects.
360 * In a number of cases when windows runs an application that was
361 * designed for an earlier windows version, windows reverts
362 * to "old" behaviour of that earlier version.
364 * An example is a disabled edit control that needs to be painted.
365 * Old style behaviour is to send a WM_CTLCOLOREDIT message. This was
366 * changed in Win95, NT4.0 by a WM_CTLCOLORSTATIC message _only_ for
367 * applications with an expected version 0f 4.0 or higher.
370 static DWORD get_app_version(void)
372 static DWORD version;
375 DWORD dwEmulatedVersion;
377 DWORD dwProcVersion = GetProcessVersion(0);
379 info.dwOSVersionInfoSize = sizeof(OSVERSIONINFOW);
380 GetVersionExW( &info );
381 dwEmulatedVersion = MAKELONG( info.dwMinorVersion, info.dwMajorVersion );
382 /* FIXME: this may not be 100% correct; see discussion on the
383 * wine developer list in Nov 1999 */
384 version = dwProcVersion < dwEmulatedVersion ? dwProcVersion : dwEmulatedVersion;
390 static HBRUSH EDIT_NotifyCtlColor(EDITSTATE *es, HDC hdc)
394 if ( get_app_version() >= 0x40000 && (!es->bEnableState || (es->style & ES_READONLY)))
395 msg = WM_CTLCOLORSTATIC;
397 msg = WM_CTLCOLOREDIT;
399 /* why do we notify to es->hwndParent, and we send this one to GetParent()? */
400 return (HBRUSH)SendMessageW(GetParent(es->hwndSelf), msg, (WPARAM)hdc, (LPARAM)es->hwndSelf);
403 static inline LRESULT DefWindowProcT(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam, BOOL unicode)
406 return DefWindowProcW(hwnd, msg, wParam, lParam);
408 return DefWindowProcA(hwnd, msg, wParam, lParam);
411 /*********************************************************************
415 * The messages are in the order of the actual integer values
416 * (which can be found in include/windows.h)
417 * Wherever possible the 16 bit versions are converted to
418 * the 32 bit ones, so that we can 'fall through' to the
419 * helper functions. These are mostly 32 bit (with a few
420 * exceptions, clearly indicated by a '16' extension to their
424 static LRESULT WINAPI EditWndProc_common( HWND hwnd, UINT msg,
425 WPARAM wParam, LPARAM lParam, BOOL unicode )
427 EDITSTATE *es = (EDITSTATE *)GetWindowLongW( hwnd, 0 );
430 TRACE("hwnd=%p msg=%x (%s) wparam=%x lparam=%lx\n", hwnd, msg, SPY_GetMsgName(msg, hwnd), wParam, lParam);
432 if (!es && msg != WM_NCCREATE)
433 return DefWindowProcT(hwnd, msg, wParam, lParam, unicode);
435 if (es && (msg != WM_DESTROY)) EDIT_LockBuffer(es);
443 result = EDIT_EM_GetSel(es, (PUINT)wParam, (PUINT)lParam);
447 if ((short)LOWORD(lParam) == -1)
448 EDIT_EM_SetSel(es, (UINT)-1, 0, FALSE);
450 EDIT_EM_SetSel(es, LOWORD(lParam), HIWORD(lParam), FALSE);
452 EDIT_EM_ScrollCaret(es);
456 EDIT_EM_SetSel(es, wParam, lParam, FALSE);
457 EDIT_EM_ScrollCaret(es);
464 RECT16 *r16 = MapSL(lParam);
465 r16->left = es->format_rect.left;
466 r16->top = es->format_rect.top;
467 r16->right = es->format_rect.right;
468 r16->bottom = es->format_rect.bottom;
473 CopyRect((LPRECT)lParam, &es->format_rect);
477 if ((es->style & ES_MULTILINE) && lParam) {
479 RECT16 *r16 = MapSL(lParam);
482 rc.right = r16->right;
483 rc.bottom = r16->bottom;
484 EDIT_SetRectNP(es, &rc);
485 EDIT_UpdateText(es, NULL, TRUE);
489 if ((es->style & ES_MULTILINE) && lParam) {
490 EDIT_SetRectNP(es, (LPRECT)lParam);
491 EDIT_UpdateText(es, NULL, TRUE);
496 if ((es->style & ES_MULTILINE) && lParam) {
498 RECT16 *r16 = MapSL(lParam);
501 rc.right = r16->right;
502 rc.bottom = r16->bottom;
503 EDIT_SetRectNP(es, &rc);
507 if ((es->style & ES_MULTILINE) && lParam)
508 EDIT_SetRectNP(es, (LPRECT)lParam);
513 result = EDIT_EM_Scroll(es, (INT)wParam);
516 case EM_LINESCROLL16:
517 wParam = (WPARAM)(INT)(SHORT)HIWORD(lParam);
518 lParam = (LPARAM)(INT)(SHORT)LOWORD(lParam);
521 result = (LRESULT)EDIT_EM_LineScroll(es, (INT)wParam, (INT)lParam);
524 case EM_SCROLLCARET16:
526 EDIT_EM_ScrollCaret(es);
532 result = ((es->flags & EF_MODIFIED) != 0);
538 es->flags |= EF_MODIFIED;
540 es->flags &= ~(EF_MODIFIED | EF_UPDATE); /* reset pending updates */
543 case EM_GETLINECOUNT16:
544 case EM_GETLINECOUNT:
545 result = (es->style & ES_MULTILINE) ? es->line_count : 1;
549 if ((INT16)wParam == -1)
553 result = (LRESULT)EDIT_EM_LineIndex(es, (INT)wParam);
557 EDIT_EM_SetHandle16(es, (HLOCAL16)wParam);
560 EDIT_EM_SetHandle(es, (HLOCAL)wParam);
564 result = (LRESULT)EDIT_EM_GetHandle16(es);
567 result = (LRESULT)EDIT_EM_GetHandle(es);
572 result = EDIT_EM_GetThumb(es);
575 /* these messages missing from specs */
584 FIXME("undocumented message 0x%x, please report\n", msg);
585 result = DefWindowProcW(hwnd, msg, wParam, lParam);
588 case EM_LINELENGTH16:
590 result = (LRESULT)EDIT_EM_LineLength(es, (INT)wParam);
593 case EM_REPLACESEL16:
594 lParam = (LPARAM)MapSL(lParam);
595 unicode = FALSE; /* 16-bit message is always ascii */
602 textW = (LPWSTR)lParam;
605 LPSTR textA = (LPSTR)lParam;
606 INT countW = MultiByteToWideChar(CP_ACP, 0, textA, -1, NULL, 0);
607 if((textW = HeapAlloc(GetProcessHeap(), 0, countW * sizeof(WCHAR))))
608 MultiByteToWideChar(CP_ACP, 0, textA, -1, textW, countW);
611 EDIT_EM_ReplaceSel(es, (BOOL)wParam, textW, TRUE, TRUE);
615 HeapFree(GetProcessHeap(), 0, textW);
620 lParam = (LPARAM)MapSL(lParam);
621 unicode = FALSE; /* 16-bit message is always ascii */
624 result = (LRESULT)EDIT_EM_GetLine(es, (INT)wParam, (LPWSTR)lParam, unicode);
628 case EM_SETLIMITTEXT:
629 EDIT_EM_SetLimitText(es, (INT)wParam);
634 result = (LRESULT)EDIT_EM_CanUndo(es);
640 result = (LRESULT)EDIT_EM_Undo(es);
645 result = (LRESULT)EDIT_EM_FmtLines(es, (BOOL)wParam);
648 case EM_LINEFROMCHAR16:
649 case EM_LINEFROMCHAR:
650 result = (LRESULT)EDIT_EM_LineFromChar(es, (INT)wParam);
653 case EM_SETTABSTOPS16:
654 result = (LRESULT)EDIT_EM_SetTabStops16(es, (INT)wParam, MapSL(lParam));
657 result = (LRESULT)EDIT_EM_SetTabStops(es, (INT)wParam, (LPINT)lParam);
660 case EM_SETPASSWORDCHAR16:
661 unicode = FALSE; /* 16-bit message is always ascii */
663 case EM_SETPASSWORDCHAR:
668 charW = (WCHAR)wParam;
672 MultiByteToWideChar(CP_ACP, 0, &charA, 1, &charW, 1);
675 EDIT_EM_SetPasswordChar(es, charW);
679 case EM_EMPTYUNDOBUFFER16:
680 case EM_EMPTYUNDOBUFFER:
681 EDIT_EM_EmptyUndoBuffer(es);
684 case EM_GETFIRSTVISIBLELINE16:
685 result = es->y_offset;
687 case EM_GETFIRSTVISIBLELINE:
688 result = (es->style & ES_MULTILINE) ? es->y_offset : es->x_offset;
691 case EM_SETREADONLY16:
694 SetWindowLongW( hwnd, GWL_STYLE,
695 GetWindowLongW( hwnd, GWL_STYLE ) | ES_READONLY );
696 es->style |= ES_READONLY;
698 SetWindowLongW( hwnd, GWL_STYLE,
699 GetWindowLongW( hwnd, GWL_STYLE ) & ~ES_READONLY );
700 es->style &= ~ES_READONLY;
705 case EM_SETWORDBREAKPROC16:
706 EDIT_EM_SetWordBreakProc16(es, (EDITWORDBREAKPROC16)lParam);
708 case EM_SETWORDBREAKPROC:
709 EDIT_EM_SetWordBreakProc(es, (void *)lParam);
712 case EM_GETWORDBREAKPROC16:
713 result = (LRESULT)es->word_break_proc16;
715 case EM_GETWORDBREAKPROC:
716 result = (LRESULT)es->word_break_proc;
719 case EM_GETPASSWORDCHAR16:
720 unicode = FALSE; /* 16-bit message is always ascii */
722 case EM_GETPASSWORDCHAR:
725 result = es->password_char;
728 WCHAR charW = es->password_char;
730 WideCharToMultiByte(CP_ACP, 0, &charW, 1, &charA, 1, NULL, NULL);
736 /* The following EM_xxx are new to win95 and don't exist for 16 bit */
739 EDIT_EM_SetMargins(es, (INT)wParam, (short)LOWORD(lParam), (short)HIWORD(lParam), TRUE);
743 result = MAKELONG(es->left_margin, es->right_margin);
746 case EM_GETLIMITTEXT:
747 result = es->buffer_limit;
751 result = strlenW(es->text);
752 if ((INT)wParam >= result) result = -1;
753 else result = EDIT_EM_PosFromChar(es, (INT)wParam, FALSE);
757 result = EDIT_EM_CharFromPos(es, (short)LOWORD(lParam), (short)HIWORD(lParam));
760 /* End of the EM_ messages which were in numerical order; what order
761 * are these in? vaguely alphabetical?
765 result = EDIT_WM_NCCreate(hwnd, (LPCREATESTRUCTW)lParam, unicode);
769 result = EDIT_WM_Destroy(es);
774 result = DLGC_HASSETSEL | DLGC_WANTCHARS | DLGC_WANTARROWS;
776 if (es->style & ES_MULTILINE)
778 result |= DLGC_WANTALLKEYS;
782 if (lParam && (((LPMSG)lParam)->message == WM_KEYDOWN))
784 int vk = (int)((LPMSG)lParam)->wParam;
786 if (es->hwndListBox && (vk == VK_RETURN || vk == VK_ESCAPE))
788 if (SendMessageW(GetParent(hwnd), CB_GETDROPPEDSTATE, 0, 0))
789 result |= DLGC_WANTMESSAGE;
800 strng[0] = wParam >> 8;
801 strng[1] = wParam & 0xff;
802 if (strng[0]) MultiByteToWideChar(CP_ACP, 0, strng, 2, &charW, 1);
803 else MultiByteToWideChar(CP_ACP, 0, &strng[1], 1, &charW, 1);
804 EDIT_WM_Char(es, charW);
817 MultiByteToWideChar(CP_ACP, 0, &charA, 1, &charW, 1);
820 if ((charW == VK_RETURN || charW == VK_ESCAPE) && es->hwndListBox)
822 if (SendMessageW(GetParent(hwnd), CB_GETDROPPEDSTATE, 0, 0))
823 SendMessageW(GetParent(hwnd), WM_KEYDOWN, charW, 0);
826 EDIT_WM_Char(es, charW);
835 EDIT_WM_Command(es, HIWORD(wParam), LOWORD(wParam), (HWND)lParam);
839 EDIT_WM_ContextMenu(es, (short)LOWORD(lParam), (short)HIWORD(lParam));
848 result = EDIT_WM_Create(es, ((LPCREATESTRUCTW)lParam)->lpszName);
851 LPCSTR nameA = ((LPCREATESTRUCTA)lParam)->lpszName;
855 INT countW = MultiByteToWideChar(CP_ACP, 0, nameA, -1, NULL, 0);
856 if((nameW = HeapAlloc(GetProcessHeap(), 0, countW * sizeof(WCHAR))))
857 MultiByteToWideChar(CP_ACP, 0, nameA, -1, nameW, countW);
859 result = EDIT_WM_Create(es, nameW);
860 HeapFree(GetProcessHeap(), 0, nameW);
869 es->bEnableState = (BOOL) wParam;
870 EDIT_UpdateText(es, NULL, TRUE);
874 result = EDIT_WM_EraseBkGnd(es, (HDC)wParam);
878 result = (LRESULT)es->font;
882 result = (LRESULT)EDIT_WM_GetText(es, (INT)wParam, (LPWSTR)lParam, unicode);
885 case WM_GETTEXTLENGTH:
886 if (unicode) result = strlenW(es->text);
887 else result = WideCharToMultiByte( CP_ACP, 0, es->text, strlenW(es->text),
888 NULL, 0, NULL, NULL );
892 result = EDIT_WM_HScroll(es, LOWORD(wParam), (short)HIWORD(wParam));
896 result = EDIT_WM_KeyDown(es, (INT)wParam);
900 result = EDIT_WM_KillFocus(es);
903 case WM_LBUTTONDBLCLK:
904 result = EDIT_WM_LButtonDblClk(es);
908 result = EDIT_WM_LButtonDown(es, wParam, (short)LOWORD(lParam), (short)HIWORD(lParam));
912 result = EDIT_WM_LButtonUp(es);
916 result = EDIT_WM_MButtonDown(es);
920 result = EDIT_WM_MouseMove(es, (short)LOWORD(lParam), (short)HIWORD(lParam));
924 EDIT_WM_Paint(es, (HDC)wParam);
932 EDIT_WM_SetFocus(es);
936 EDIT_WM_SetFont(es, (HFONT)wParam, LOWORD(lParam) != 0);
940 /* FIXME: actually set an internal flag and behave accordingly */
944 EDIT_WM_SetText(es, (LPCWSTR)lParam, unicode);
949 EDIT_WM_Size(es, (UINT)wParam, LOWORD(lParam), HIWORD(lParam));
952 case WM_STYLECHANGED:
953 result = EDIT_WM_StyleChanged(es, wParam, (const STYLESTRUCT *)lParam);
956 case WM_STYLECHANGING:
957 result = 0; /* See EDIT_WM_StyleChanged */
961 result = EDIT_WM_SysKeyDown(es, (INT)wParam, (DWORD)lParam);
969 result = EDIT_WM_VScroll(es, LOWORD(wParam), (short)HIWORD(wParam));
974 int gcWheelDelta = 0;
975 UINT pulScrollLines = 3;
976 SystemParametersInfoW(SPI_GETWHEELSCROLLLINES,0, &pulScrollLines, 0);
978 if (wParam & (MK_SHIFT | MK_CONTROL)) {
979 result = DefWindowProcW(hwnd, msg, wParam, lParam);
982 gcWheelDelta -= GET_WHEEL_DELTA_WPARAM(wParam);
983 if (abs(gcWheelDelta) >= WHEEL_DELTA && pulScrollLines)
985 int cLineScroll= (int) min((UINT) es->line_count, pulScrollLines);
986 cLineScroll *= (gcWheelDelta / WHEEL_DELTA);
987 result = EDIT_EM_LineScroll(es, 0, cLineScroll);
992 result = DefWindowProcT(hwnd, msg, wParam, lParam, unicode);
996 if (es) EDIT_UnlockBuffer(es, FALSE);
998 TRACE("hwnd=%p msg=%x (%s) -- 0x%08lx\n", hwnd, msg, SPY_GetMsgName(msg, hwnd), result);
1003 /*********************************************************************
1005 * EditWndProcW (USER32.@)
1007 LRESULT WINAPI EditWndProcW(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
1009 return EditWndProc_common(hWnd, uMsg, wParam, lParam, TRUE);
1012 /*********************************************************************
1014 * EditWndProc (USER32.@)
1016 LRESULT WINAPI EditWndProcA(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
1018 return EditWndProc_common(hWnd, uMsg, wParam, lParam, FALSE);
1021 /*********************************************************************
1023 * EDIT_BuildLineDefs_ML
1025 * Build linked list of text lines.
1026 * Lines can end with '\0' (last line), a character (if it is wrapped),
1027 * a soft return '\r\r\n' or a hard return '\r\n'
1030 static void EDIT_BuildLineDefs_ML(EDITSTATE *es, INT istart, INT iend, INT delta, HRGN hrgn)
1034 LPWSTR current_position, cp;
1036 LINEDEF *current_line;
1037 LINEDEF *previous_line;
1038 LINEDEF *start_line;
1039 INT line_index = 0, nstart_line = 0, nstart_index = 0;
1040 INT line_count = es->line_count;
1041 INT orig_net_length;
1044 if (istart == iend && delta == 0)
1047 dc = GetDC(es->hwndSelf);
1049 old_font = SelectObject(dc, es->font);
1051 previous_line = NULL;
1052 current_line = es->first_line_def;
1054 /* Find starting line. istart must lie inside an existing line or
1055 * at the end of buffer */
1057 if (istart < current_line->index + current_line->length ||
1058 current_line->ending == END_0)
1061 previous_line = current_line;
1062 current_line = current_line->next;
1064 } while (current_line);
1066 if (!current_line) /* Error occurred start is not inside previous buffer */
1068 FIXME(" modification occurred outside buffer\n");
1069 ReleaseDC(es->hwndSelf, dc);
1073 /* Remember start of modifications in order to calculate update region */
1074 nstart_line = line_index;
1075 nstart_index = current_line->index;
1077 /* We must start to reformat from the previous line since the modifications
1078 * may have caused the line to wrap upwards. */
1079 if (!(es->style & ES_AUTOHSCROLL) && line_index > 0)
1082 current_line = previous_line;
1084 start_line = current_line;
1086 fw = es->format_rect.right - es->format_rect.left;
1087 current_position = es->text + current_line->index;
1089 if (current_line != start_line)
1091 if (!current_line || current_line->index + delta > current_position - es->text)
1093 /* The buffer has been expanded, create a new line and
1094 insert it into the link list */
1095 LINEDEF *new_line = HeapAlloc(GetProcessHeap(), 0, sizeof(LINEDEF));
1096 new_line->next = previous_line->next;
1097 previous_line->next = new_line;
1098 current_line = new_line;
1101 else if (current_line->index + delta < current_position - es->text)
1103 /* The previous line merged with this line so we delete this extra entry */
1104 previous_line->next = current_line->next;
1105 HeapFree(GetProcessHeap(), 0, current_line);
1106 current_line = previous_line->next;
1110 else /* current_line->index + delta == current_position */
1112 if (current_position - es->text > iend)
1113 break; /* We reached end of line modifications */
1114 /* else recalulate this line */
1118 current_line->index = current_position - es->text;
1119 orig_net_length = current_line->net_length;
1121 /* Find end of line */
1122 cp = current_position;
1124 if (*cp == '\n') break;
1125 if ((*cp == '\r') && (*(cp + 1) == '\n'))
1130 /* Mark type of line termination */
1132 current_line->ending = END_0;
1133 current_line->net_length = strlenW(current_position);
1134 } else if ((cp > current_position) && (*(cp - 1) == '\r')) {
1135 current_line->ending = END_SOFT;
1136 current_line->net_length = cp - current_position - 1;
1137 } else if (*cp == '\n') {
1138 current_line->ending = END_RICH;
1139 current_line->net_length = cp - current_position;
1141 current_line->ending = END_HARD;
1142 current_line->net_length = cp - current_position;
1145 /* Calculate line width */
1146 current_line->width = (INT)LOWORD(GetTabbedTextExtentW(dc,
1147 current_position, current_line->net_length,
1148 es->tabs_count, es->tabs));
1150 /* FIXME: check here for lines that are too wide even in AUTOHSCROLL (> 32767 ???) */
1151 if (!(es->style & ES_AUTOHSCROLL)) {
1152 if (current_line->width > fw) {
1157 next = EDIT_CallWordBreakProc(es, current_position - es->text,
1158 prev + 1, current_line->net_length, WB_RIGHT);
1159 current_line->width = (INT)LOWORD(GetTabbedTextExtentW(dc,
1160 current_position, next, es->tabs_count, es->tabs));
1161 } while (current_line->width <= fw);
1162 if (!prev) { /* Didn't find a line break so force a break */
1167 current_line->width = (INT)LOWORD(GetTabbedTextExtentW(dc,
1168 current_position, next, es->tabs_count, es->tabs));
1169 } while (current_line->width <= fw);
1174 /* If the first line we are calculating, wrapped before istart, we must
1175 * adjust istart in order for this to be reflected in the update region. */
1176 if (current_line->index == nstart_index && istart > current_line->index + prev)
1177 istart = current_line->index + prev;
1178 /* else if we are updating the previous line before the first line we
1179 * are re-calculating and it expanded */
1180 else if (current_line == start_line &&
1181 current_line->index != nstart_index && orig_net_length < prev)
1183 /* Line expanded due to an upwards line wrap so we must partially include
1184 * previous line in update region */
1185 nstart_line = line_index;
1186 nstart_index = current_line->index;
1187 istart = current_line->index + orig_net_length;
1190 current_line->net_length = prev;
1191 current_line->ending = END_WRAP;
1192 current_line->width = (INT)LOWORD(GetTabbedTextExtentW(dc, current_position,
1193 current_line->net_length, es->tabs_count, es->tabs));
1195 else if (orig_net_length < current_line->net_length &&
1196 current_line == start_line &&
1197 current_line->index != nstart_index) {
1198 /* The previous line expanded but it's still not as wide as the client rect */
1199 /* The expansion is due to an upwards line wrap so we must partially include
1200 it in the update region */
1201 nstart_line = line_index;
1202 nstart_index = current_line->index;
1203 istart = current_line->index + orig_net_length;
1208 /* Adjust length to include line termination */
1209 switch (current_line->ending) {
1211 current_line->length = current_line->net_length + 3;
1214 current_line->length = current_line->net_length + 1;
1217 current_line->length = current_line->net_length + 2;
1221 current_line->length = current_line->net_length;
1224 es->text_width = max(es->text_width, current_line->width);
1225 current_position += current_line->length;
1226 previous_line = current_line;
1227 current_line = current_line->next;
1229 } while (previous_line->ending != END_0);
1231 /* Finish adjusting line indexes by delta or remove hanging lines */
1232 if (previous_line->ending == END_0)
1234 LINEDEF *pnext = NULL;
1236 previous_line->next = NULL;
1237 while (current_line)
1239 pnext = current_line->next;
1240 HeapFree(GetProcessHeap(), 0, current_line);
1241 current_line = pnext;
1245 else if (delta != 0)
1247 while (current_line)
1249 current_line->index += delta;
1250 current_line = current_line->next;
1254 /* Calculate rest of modification rectangle */
1259 * We calculate two rectangles. One for the first line which may have
1260 * an indent with respect to the format rect. The other is a format-width
1261 * rectangle that spans the rest of the lines that changed or moved.
1263 rc.top = es->format_rect.top + nstart_line * es->line_height -
1264 (es->y_offset * es->line_height); /* Adjust for vertical scrollbar */
1265 rc.bottom = rc.top + es->line_height;
1266 if ((es->style & ES_CENTER) || (es->style & ES_RIGHT))
1267 rc.left = es->format_rect.left;
1269 rc.left = es->format_rect.left + (INT)LOWORD(GetTabbedTextExtentW(dc,
1270 es->text + nstart_index, istart - nstart_index,
1271 es->tabs_count, es->tabs)) - es->x_offset; /* Adjust for horz scroll */
1272 rc.right = es->format_rect.right;
1273 SetRectRgn(hrgn, rc.left, rc.top, rc.right, rc.bottom);
1276 rc.left = es->format_rect.left;
1277 rc.right = es->format_rect.right;
1279 * If lines were added or removed we must re-paint the remainder of the
1280 * lines since the remaining lines were either shifted up or down.
1282 if (line_count < es->line_count) /* We added lines */
1283 rc.bottom = es->line_count * es->line_height;
1284 else if (line_count > es->line_count) /* We removed lines */
1285 rc.bottom = line_count * es->line_height;
1287 rc.bottom = line_index * es->line_height;
1288 rc.bottom += es->format_rect.top;
1289 rc.bottom -= (es->y_offset * es->line_height); /* Adjust for vertical scrollbar */
1290 tmphrgn = CreateRectRgn(rc.left, rc.top, rc.right, rc.bottom);
1291 CombineRgn(hrgn, hrgn, tmphrgn, RGN_OR);
1292 DeleteObject(tmphrgn);
1296 SelectObject(dc, old_font);
1298 ReleaseDC(es->hwndSelf, dc);
1301 /*********************************************************************
1303 * EDIT_CalcLineWidth_SL
1306 static void EDIT_CalcLineWidth_SL(EDITSTATE *es)
1313 text = EDIT_GetPasswordPointer_SL(es);
1315 dc = GetDC(es->hwndSelf);
1317 old_font = SelectObject(dc, es->font);
1319 GetTextExtentPoint32W(dc, text, strlenW(text), &size);
1322 SelectObject(dc, old_font);
1323 ReleaseDC(es->hwndSelf, dc);
1325 if (es->style & ES_PASSWORD)
1326 HeapFree(GetProcessHeap(), 0, text);
1328 es->text_width = size.cx;
1331 /*********************************************************************
1333 * EDIT_CallWordBreakProc
1335 * Call appropriate WordBreakProc (internal or external).
1337 * Note: The "start" argument should always be an index referring
1338 * to es->text. The actual wordbreak proc might be
1339 * 16 bit, so we can't always pass any 32 bit LPSTR.
1340 * Hence we assume that es->text is the buffer that holds
1341 * the string under examination (we can decide this for ourselves).
1344 static INT EDIT_CallWordBreakProc(EDITSTATE *es, INT start, INT index, INT count, INT action)
1348 if (es->word_break_proc16) {
1355 countA = WideCharToMultiByte(CP_ACP, 0, es->text + start, count, NULL, 0, NULL, NULL);
1356 hglob16 = GlobalAlloc16(GMEM_MOVEABLE | GMEM_ZEROINIT, countA);
1357 segptr = K32WOWGlobalLock16(hglob16);
1358 WideCharToMultiByte(CP_ACP, 0, es->text + start, count, MapSL(segptr), countA, NULL, NULL);
1359 args[4] = SELECTOROF(segptr);
1360 args[3] = OFFSETOF(segptr);
1364 WOWCallback16Ex((DWORD)es->word_break_proc16, WCB16_PASCAL, sizeof(args), args, &result);
1365 ret = LOWORD(result);
1366 GlobalUnlock16(hglob16);
1367 GlobalFree16(hglob16);
1369 else if (es->word_break_proc)
1373 EDITWORDBREAKPROCW wbpW = (EDITWORDBREAKPROCW)es->word_break_proc;
1375 TRACE_(relay)("(UNICODE wordbrk=%p,str=%s,idx=%d,cnt=%d,act=%d)\n",
1376 es->word_break_proc, debugstr_wn(es->text + start, count), index, count, action);
1377 ret = wbpW(es->text + start, index, count, action);
1381 EDITWORDBREAKPROCA wbpA = (EDITWORDBREAKPROCA)es->word_break_proc;
1385 countA = WideCharToMultiByte(CP_ACP, 0, es->text + start, count, NULL, 0, NULL, NULL);
1386 textA = HeapAlloc(GetProcessHeap(), 0, countA);
1387 WideCharToMultiByte(CP_ACP, 0, es->text + start, count, textA, countA, NULL, NULL);
1388 TRACE_(relay)("(ANSI wordbrk=%p,str=%s,idx=%d,cnt=%d,act=%d)\n",
1389 es->word_break_proc, debugstr_an(textA, countA), index, countA, action);
1390 ret = wbpA(textA, index, countA, action);
1391 HeapFree(GetProcessHeap(), 0, textA);
1395 ret = EDIT_WordBreakProc(es->text + start, index, count, action);
1401 /*********************************************************************
1405 * Beware: This is not the function called on EM_CHARFROMPOS
1406 * The position _can_ be outside the formatting / client
1408 * The return value is only the character index
1411 static INT EDIT_CharFromPos(EDITSTATE *es, INT x, INT y, LPBOOL after_wrap)
1416 INT x_high = 0, x_low = 0;
1418 if (es->style & ES_MULTILINE) {
1419 INT line = (y - es->format_rect.top) / es->line_height + es->y_offset;
1421 LINEDEF *line_def = es->first_line_def;
1423 while ((line > 0) && line_def->next) {
1424 line_index += line_def->length;
1425 line_def = line_def->next;
1428 x += es->x_offset - es->format_rect.left;
1429 if (es->style & ES_RIGHT)
1430 x -= (es->format_rect.right - es->format_rect.left) - line_def->width;
1431 else if (es->style & ES_CENTER)
1432 x -= ((es->format_rect.right - es->format_rect.left) - line_def->width) / 2;
1433 if (x >= line_def->width) {
1435 *after_wrap = (line_def->ending == END_WRAP);
1436 return line_index + line_def->net_length;
1440 *after_wrap = FALSE;
1443 dc = GetDC(es->hwndSelf);
1445 old_font = SelectObject(dc, es->font);
1447 high = line_index + line_def->net_length + 1;
1448 while (low < high - 1)
1450 INT mid = (low + high) / 2;
1451 INT x_now = LOWORD(GetTabbedTextExtentW(dc, es->text + line_index, mid - line_index, es->tabs_count, es->tabs));
1460 if (abs(x_high - x) + 1 <= abs(x_low - x))
1466 *after_wrap = ((index == line_index + line_def->net_length) &&
1467 (line_def->ending == END_WRAP));
1472 *after_wrap = FALSE;
1473 x -= es->format_rect.left;
1475 return es->x_offset;
1479 INT indent = (es->format_rect.right - es->format_rect.left) - es->text_width;
1480 if (es->style & ES_RIGHT)
1482 else if (es->style & ES_CENTER)
1486 text = EDIT_GetPasswordPointer_SL(es);
1487 dc = GetDC(es->hwndSelf);
1489 old_font = SelectObject(dc, es->font);
1493 INT high = es->x_offset;
1494 while (low < high - 1)
1496 INT mid = (low + high) / 2;
1497 GetTextExtentPoint32W( dc, text + mid,
1498 es->x_offset - mid, &size );
1507 if (abs(x_high + x) <= abs(x_low + x) + 1)
1514 INT low = es->x_offset;
1515 INT high = strlenW(es->text) + 1;
1516 while (low < high - 1)
1518 INT mid = (low + high) / 2;
1519 GetTextExtentPoint32W( dc, text + es->x_offset,
1520 mid - es->x_offset, &size );
1529 if (abs(x_high - x) <= abs(x_low - x) + 1)
1534 if (es->style & ES_PASSWORD)
1535 HeapFree(GetProcessHeap(), 0, text);
1538 SelectObject(dc, old_font);
1539 ReleaseDC(es->hwndSelf, dc);
1544 /*********************************************************************
1548 * adjusts the point to be within the formatting rectangle
1549 * (so CharFromPos returns the nearest _visible_ character)
1552 static void EDIT_ConfinePoint(EDITSTATE *es, LPINT x, LPINT y)
1554 *x = min(max(*x, es->format_rect.left), es->format_rect.right - 1);
1555 *y = min(max(*y, es->format_rect.top), es->format_rect.bottom - 1);
1559 /*********************************************************************
1563 * Calculates the bounding rectangle for a line from a starting
1564 * column to an ending column.
1567 static void EDIT_GetLineRect(EDITSTATE *es, INT line, INT scol, INT ecol, LPRECT rc)
1569 INT line_index = EDIT_EM_LineIndex(es, line);
1571 if (es->style & ES_MULTILINE)
1572 rc->top = es->format_rect.top + (line - es->y_offset) * es->line_height;
1574 rc->top = es->format_rect.top;
1575 rc->bottom = rc->top + es->line_height;
1576 rc->left = (scol == 0) ? es->format_rect.left : (short)LOWORD(EDIT_EM_PosFromChar(es, line_index + scol, TRUE));
1577 rc->right = (ecol == -1) ? es->format_rect.right : (short)LOWORD(EDIT_EM_PosFromChar(es, line_index + ecol, TRUE));
1581 /*********************************************************************
1583 * EDIT_GetPasswordPointer_SL
1585 * note: caller should free the (optionally) allocated buffer
1588 static LPWSTR EDIT_GetPasswordPointer_SL(EDITSTATE *es)
1590 if (es->style & ES_PASSWORD) {
1591 INT len = strlenW(es->text);
1592 LPWSTR text = HeapAlloc(GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR));
1594 while(len) text[--len] = es->password_char;
1601 /*********************************************************************
1605 * This acts as a LocalLock16(), but it locks only once. This way
1606 * you can call it whenever you like, without unlocking.
1608 * Initially the edit control allocates a HLOCAL32 buffer
1609 * (32 bit linear memory handler). However, 16 bit application
1610 * might send an EM_GETHANDLE message and expect a HLOCAL16 (16 bit SEG:OFF
1611 * handler). From that moment on we have to keep using this 16 bit memory
1612 * handler, because it is supposed to be valid at all times after EM_GETHANDLE.
1613 * What we do is create a HLOCAL16 buffer, copy the text, and do pointer
1617 static void EDIT_LockBuffer(EDITSTATE *es)
1619 STACK16FRAME* stack16 = MapSL((SEGPTR)NtCurrentTeb()->WOW32Reserved);
1620 HINSTANCE16 hInstance = GetWindowLongPtrW( es->hwndSelf, GWLP_HINSTANCE );
1621 HANDLE16 oldDS = stack16->ds;
1626 BOOL _16bit = FALSE;
1632 TRACE("Synchronizing with 32-bit ANSI buffer\n");
1633 textA = LocalLock(es->hloc32A);
1634 countA = strlen(textA) + 1;
1638 TRACE("Synchronizing with 16-bit ANSI buffer\n");
1639 stack16->ds = hInstance;
1640 textA = MapSL(LocalLock16(es->hloc16));
1641 stack16->ds = oldDS;
1642 countA = strlen(textA) + 1;
1647 ERR("no buffer ... please report\n");
1654 UINT countW_new = MultiByteToWideChar(CP_ACP, 0, textA, countA, NULL, 0);
1655 TRACE("%d bytes translated to %d WCHARs\n", countA, countW_new);
1656 if(countW_new > es->buffer_size + 1)
1658 UINT alloc_size = ROUND_TO_GROW(countW_new * sizeof(WCHAR));
1659 TRACE("Resizing 32-bit UNICODE buffer from %d+1 to %d WCHARs\n", es->buffer_size, countW_new);
1660 hloc32W_new = LocalReAlloc(es->hloc32W, alloc_size, LMEM_MOVEABLE | LMEM_ZEROINIT);
1663 es->hloc32W = hloc32W_new;
1664 es->buffer_size = LocalSize(hloc32W_new)/sizeof(WCHAR) - 1;
1665 TRACE("Real new size %d+1 WCHARs\n", es->buffer_size);
1668 WARN("FAILED! Will synchronize partially\n");
1672 /*TRACE("Locking 32-bit UNICODE buffer\n");*/
1673 es->text = LocalLock(es->hloc32W);
1677 MultiByteToWideChar(CP_ACP, 0, textA, countA, es->text, es->buffer_size + 1);
1680 stack16->ds = hInstance;
1681 LocalUnlock16(es->hloc16);
1682 stack16->ds = oldDS;
1685 LocalUnlock(es->hloc32A);
1692 /*********************************************************************
1694 * EDIT_SL_InvalidateText
1696 * Called from EDIT_InvalidateText().
1697 * Does the job for single-line controls only.
1700 static void EDIT_SL_InvalidateText(EDITSTATE *es, INT start, INT end)
1705 EDIT_GetLineRect(es, 0, start, end, &line_rect);
1706 if (IntersectRect(&rc, &line_rect, &es->format_rect))
1707 EDIT_UpdateText(es, &rc, TRUE);
1711 /*********************************************************************
1713 * EDIT_ML_InvalidateText
1715 * Called from EDIT_InvalidateText().
1716 * Does the job for multi-line controls only.
1719 static void EDIT_ML_InvalidateText(EDITSTATE *es, INT start, INT end)
1721 INT vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
1722 INT sl = EDIT_EM_LineFromChar(es, start);
1723 INT el = EDIT_EM_LineFromChar(es, end);
1732 if ((el < es->y_offset) || (sl > es->y_offset + vlc))
1735 sc = start - EDIT_EM_LineIndex(es, sl);
1736 ec = end - EDIT_EM_LineIndex(es, el);
1737 if (sl < es->y_offset) {
1741 if (el > es->y_offset + vlc) {
1742 el = es->y_offset + vlc;
1743 ec = EDIT_EM_LineLength(es, EDIT_EM_LineIndex(es, el));
1745 GetClientRect(es->hwndSelf, &rc1);
1746 IntersectRect(&rcWnd, &rc1, &es->format_rect);
1748 EDIT_GetLineRect(es, sl, sc, ec, &rcLine);
1749 if (IntersectRect(&rcUpdate, &rcWnd, &rcLine))
1750 EDIT_UpdateText(es, &rcUpdate, TRUE);
1752 EDIT_GetLineRect(es, sl, sc,
1753 EDIT_EM_LineLength(es,
1754 EDIT_EM_LineIndex(es, sl)),
1756 if (IntersectRect(&rcUpdate, &rcWnd, &rcLine))
1757 EDIT_UpdateText(es, &rcUpdate, TRUE);
1758 for (l = sl + 1 ; l < el ; l++) {
1759 EDIT_GetLineRect(es, l, 0,
1760 EDIT_EM_LineLength(es,
1761 EDIT_EM_LineIndex(es, l)),
1763 if (IntersectRect(&rcUpdate, &rcWnd, &rcLine))
1764 EDIT_UpdateText(es, &rcUpdate, TRUE);
1766 EDIT_GetLineRect(es, el, 0, ec, &rcLine);
1767 if (IntersectRect(&rcUpdate, &rcWnd, &rcLine))
1768 EDIT_UpdateText(es, &rcUpdate, TRUE);
1773 /*********************************************************************
1775 * EDIT_InvalidateText
1777 * Invalidate the text from offset start upto, but not including,
1778 * offset end. Useful for (re)painting the selection.
1779 * Regions outside the linewidth are not invalidated.
1780 * end == -1 means end == TextLength.
1781 * start and end need not be ordered.
1784 static void EDIT_InvalidateText(EDITSTATE *es, INT start, INT end)
1790 end = strlenW(es->text);
1798 if (es->style & ES_MULTILINE)
1799 EDIT_ML_InvalidateText(es, start, end);
1801 EDIT_SL_InvalidateText(es, start, end);
1805 /*********************************************************************
1809 * Try to fit size + 1 characters in the buffer.
1811 static BOOL EDIT_MakeFit(EDITSTATE *es, UINT size)
1815 if (size <= es->buffer_size)
1818 TRACE("trying to ReAlloc to %d+1 characters\n", size);
1820 /* Force edit to unlock it's buffer. es->text now NULL */
1821 EDIT_UnlockBuffer(es, TRUE);
1824 UINT alloc_size = ROUND_TO_GROW((size + 1) * sizeof(WCHAR));
1825 if ((hNew32W = LocalReAlloc(es->hloc32W, alloc_size, LMEM_MOVEABLE | LMEM_ZEROINIT))) {
1826 TRACE("Old 32 bit handle %p, new handle %p\n", es->hloc32W, hNew32W);
1827 es->hloc32W = hNew32W;
1828 es->buffer_size = LocalSize(hNew32W)/sizeof(WCHAR) - 1;
1832 EDIT_LockBuffer(es);
1834 if (es->buffer_size < size) {
1835 WARN("FAILED ! We now have %d+1\n", es->buffer_size);
1836 EDIT_NOTIFY_PARENT(es, EN_ERRSPACE);
1839 TRACE("We now have %d+1\n", es->buffer_size);
1845 /*********************************************************************
1849 * Try to fit size + 1 bytes in the undo buffer.
1852 static BOOL EDIT_MakeUndoFit(EDITSTATE *es, UINT size)
1856 if (size <= es->undo_buffer_size)
1859 TRACE("trying to ReAlloc to %d+1\n", size);
1861 alloc_size = ROUND_TO_GROW((size + 1) * sizeof(WCHAR));
1862 if ((es->undo_text = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, es->undo_text, alloc_size))) {
1863 es->undo_buffer_size = alloc_size/sizeof(WCHAR) - 1;
1868 WARN("FAILED ! We now have %d+1\n", es->undo_buffer_size);
1874 /*********************************************************************
1879 static void EDIT_MoveBackward(EDITSTATE *es, BOOL extend)
1881 INT e = es->selection_end;
1885 if ((es->style & ES_MULTILINE) && e &&
1886 (es->text[e - 1] == '\r') && (es->text[e] == '\n')) {
1888 if (e && (es->text[e - 1] == '\r'))
1892 EDIT_EM_SetSel(es, extend ? es->selection_start : e, e, FALSE);
1893 EDIT_EM_ScrollCaret(es);
1897 /*********************************************************************
1901 * Only for multi line controls
1902 * Move the caret one line down, on a column with the nearest
1903 * x coordinate on the screen (might be a different column).
1906 static void EDIT_MoveDown_ML(EDITSTATE *es, BOOL extend)
1908 INT s = es->selection_start;
1909 INT e = es->selection_end;
1910 BOOL after_wrap = (es->flags & EF_AFTER_WRAP);
1911 LRESULT pos = EDIT_EM_PosFromChar(es, e, after_wrap);
1912 INT x = (short)LOWORD(pos);
1913 INT y = (short)HIWORD(pos);
1915 e = EDIT_CharFromPos(es, x, y + es->line_height, &after_wrap);
1918 EDIT_EM_SetSel(es, s, e, after_wrap);
1919 EDIT_EM_ScrollCaret(es);
1923 /*********************************************************************
1928 static void EDIT_MoveEnd(EDITSTATE *es, BOOL extend)
1930 BOOL after_wrap = FALSE;
1933 /* Pass a high value in x to make sure of receiving the end of the line */
1934 if (es->style & ES_MULTILINE)
1935 e = EDIT_CharFromPos(es, 0x3fffffff,
1936 HIWORD(EDIT_EM_PosFromChar(es, es->selection_end, es->flags & EF_AFTER_WRAP)), &after_wrap);
1938 e = strlenW(es->text);
1939 EDIT_EM_SetSel(es, extend ? es->selection_start : e, e, after_wrap);
1940 EDIT_EM_ScrollCaret(es);
1944 /*********************************************************************
1949 static void EDIT_MoveForward(EDITSTATE *es, BOOL extend)
1951 INT e = es->selection_end;
1955 if ((es->style & ES_MULTILINE) && (es->text[e - 1] == '\r')) {
1956 if (es->text[e] == '\n')
1958 else if ((es->text[e] == '\r') && (es->text[e + 1] == '\n'))
1962 EDIT_EM_SetSel(es, extend ? es->selection_start : e, e, FALSE);
1963 EDIT_EM_ScrollCaret(es);
1967 /*********************************************************************
1971 * Home key: move to beginning of line.
1974 static void EDIT_MoveHome(EDITSTATE *es, BOOL extend)
1978 /* Pass the x_offset in x to make sure of receiving the first position of the line */
1979 if (es->style & ES_MULTILINE)
1980 e = EDIT_CharFromPos(es, -es->x_offset,
1981 HIWORD(EDIT_EM_PosFromChar(es, es->selection_end, es->flags & EF_AFTER_WRAP)), NULL);
1984 EDIT_EM_SetSel(es, extend ? es->selection_start : e, e, FALSE);
1985 EDIT_EM_ScrollCaret(es);
1989 /*********************************************************************
1991 * EDIT_MovePageDown_ML
1993 * Only for multi line controls
1994 * Move the caret one page down, on a column with the nearest
1995 * x coordinate on the screen (might be a different column).
1998 static void EDIT_MovePageDown_ML(EDITSTATE *es, BOOL extend)
2000 INT s = es->selection_start;
2001 INT e = es->selection_end;
2002 BOOL after_wrap = (es->flags & EF_AFTER_WRAP);
2003 LRESULT pos = EDIT_EM_PosFromChar(es, e, after_wrap);
2004 INT x = (short)LOWORD(pos);
2005 INT y = (short)HIWORD(pos);
2007 e = EDIT_CharFromPos(es, x,
2008 y + (es->format_rect.bottom - es->format_rect.top),
2012 EDIT_EM_SetSel(es, s, e, after_wrap);
2013 EDIT_EM_ScrollCaret(es);
2017 /*********************************************************************
2019 * EDIT_MovePageUp_ML
2021 * Only for multi line controls
2022 * Move the caret one page up, on a column with the nearest
2023 * x coordinate on the screen (might be a different column).
2026 static void EDIT_MovePageUp_ML(EDITSTATE *es, BOOL extend)
2028 INT s = es->selection_start;
2029 INT e = es->selection_end;
2030 BOOL after_wrap = (es->flags & EF_AFTER_WRAP);
2031 LRESULT pos = EDIT_EM_PosFromChar(es, e, after_wrap);
2032 INT x = (short)LOWORD(pos);
2033 INT y = (short)HIWORD(pos);
2035 e = EDIT_CharFromPos(es, x,
2036 y - (es->format_rect.bottom - es->format_rect.top),
2040 EDIT_EM_SetSel(es, s, e, after_wrap);
2041 EDIT_EM_ScrollCaret(es);
2045 /*********************************************************************
2049 * Only for multi line controls
2050 * Move the caret one line up, on a column with the nearest
2051 * x coordinate on the screen (might be a different column).
2054 static void EDIT_MoveUp_ML(EDITSTATE *es, BOOL extend)
2056 INT s = es->selection_start;
2057 INT e = es->selection_end;
2058 BOOL after_wrap = (es->flags & EF_AFTER_WRAP);
2059 LRESULT pos = EDIT_EM_PosFromChar(es, e, after_wrap);
2060 INT x = (short)LOWORD(pos);
2061 INT y = (short)HIWORD(pos);
2063 e = EDIT_CharFromPos(es, x, y - es->line_height, &after_wrap);
2066 EDIT_EM_SetSel(es, s, e, after_wrap);
2067 EDIT_EM_ScrollCaret(es);
2071 /*********************************************************************
2073 * EDIT_MoveWordBackward
2076 static void EDIT_MoveWordBackward(EDITSTATE *es, BOOL extend)
2078 INT s = es->selection_start;
2079 INT e = es->selection_end;
2084 l = EDIT_EM_LineFromChar(es, e);
2085 ll = EDIT_EM_LineLength(es, e);
2086 li = EDIT_EM_LineIndex(es, l);
2089 li = EDIT_EM_LineIndex(es, l - 1);
2090 e = li + EDIT_EM_LineLength(es, li);
2093 e = li + (INT)EDIT_CallWordBreakProc(es,
2094 li, e - li, ll, WB_LEFT);
2098 EDIT_EM_SetSel(es, s, e, FALSE);
2099 EDIT_EM_ScrollCaret(es);
2103 /*********************************************************************
2105 * EDIT_MoveWordForward
2108 static void EDIT_MoveWordForward(EDITSTATE *es, BOOL extend)
2110 INT s = es->selection_start;
2111 INT e = es->selection_end;
2116 l = EDIT_EM_LineFromChar(es, e);
2117 ll = EDIT_EM_LineLength(es, e);
2118 li = EDIT_EM_LineIndex(es, l);
2120 if ((es->style & ES_MULTILINE) && (l != es->line_count - 1))
2121 e = EDIT_EM_LineIndex(es, l + 1);
2123 e = li + EDIT_CallWordBreakProc(es,
2124 li, e - li + 1, ll, WB_RIGHT);
2128 EDIT_EM_SetSel(es, s, e, FALSE);
2129 EDIT_EM_ScrollCaret(es);
2133 /*********************************************************************
2138 static void EDIT_PaintLine(EDITSTATE *es, HDC dc, INT line, BOOL rev)
2140 INT s = es->selection_start;
2141 INT e = es->selection_end;
2148 if (es->style & ES_MULTILINE) {
2149 INT vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
2150 if ((line < es->y_offset) || (line > es->y_offset + vlc) || (line >= es->line_count))
2155 TRACE("line=%d\n", line);
2157 pos = EDIT_EM_PosFromChar(es, EDIT_EM_LineIndex(es, line), FALSE);
2158 x = (short)LOWORD(pos);
2159 y = (short)HIWORD(pos);
2160 li = EDIT_EM_LineIndex(es, line);
2161 ll = EDIT_EM_LineLength(es, li);
2162 s = min(es->selection_start, es->selection_end);
2163 e = max(es->selection_start, es->selection_end);
2164 s = min(li + ll, max(li, s));
2165 e = min(li + ll, max(li, e));
2166 if (rev && (s != e) &&
2167 ((es->flags & EF_FOCUSED) || (es->style & ES_NOHIDESEL))) {
2168 x += EDIT_PaintText(es, dc, x, y, line, 0, s - li, FALSE);
2169 x += EDIT_PaintText(es, dc, x, y, line, s - li, e - s, TRUE);
2170 x += EDIT_PaintText(es, dc, x, y, line, e - li, li + ll - e, FALSE);
2172 x += EDIT_PaintText(es, dc, x, y, line, 0, ll, FALSE);
2176 /*********************************************************************
2181 static INT EDIT_PaintText(EDITSTATE *es, HDC dc, INT x, INT y, INT line, INT col, INT count, BOOL rev)
2192 BkMode = GetBkMode(dc);
2193 BkColor = GetBkColor(dc);
2194 TextColor = GetTextColor(dc);
2196 SetBkColor(dc, GetSysColor(COLOR_HIGHLIGHT));
2197 SetTextColor(dc, GetSysColor(COLOR_HIGHLIGHTTEXT));
2198 SetBkMode( dc, OPAQUE);
2200 li = EDIT_EM_LineIndex(es, line);
2201 if (es->style & ES_MULTILINE) {
2202 ret = (INT)LOWORD(TabbedTextOutW(dc, x, y, es->text + li + col, count,
2203 es->tabs_count, es->tabs, es->format_rect.left - es->x_offset));
2205 LPWSTR text = EDIT_GetPasswordPointer_SL(es);
2206 TextOutW(dc, x, y, text + li + col, count);
2207 GetTextExtentPoint32W(dc, text + li + col, count, &size);
2209 if (es->style & ES_PASSWORD)
2210 HeapFree(GetProcessHeap(), 0, text);
2213 SetBkColor(dc, BkColor);
2214 SetTextColor(dc, TextColor);
2215 SetBkMode( dc, BkMode);
2221 /*********************************************************************
2226 static void EDIT_SetCaretPos(EDITSTATE *es, INT pos,
2229 LRESULT res = EDIT_EM_PosFromChar(es, pos, after_wrap);
2230 TRACE("%d - %dx%d\n", pos, (short)LOWORD(res), (short)HIWORD(res));
2231 SetCaretPos((short)LOWORD(res), (short)HIWORD(res));
2235 /*********************************************************************
2237 * EDIT_AdjustFormatRect
2239 * Adjusts the format rectangle for the current font and the
2240 * current client rectangle.
2243 static void EDIT_AdjustFormatRect(EDITSTATE *es)
2247 es->format_rect.right = max(es->format_rect.right, es->format_rect.left + es->char_width);
2248 if (es->style & ES_MULTILINE)
2250 INT fw, vlc, max_x_offset, max_y_offset;
2252 vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
2253 es->format_rect.bottom = es->format_rect.top + max(1, vlc) * es->line_height;
2255 /* correct es->x_offset */
2256 fw = es->format_rect.right - es->format_rect.left;
2257 max_x_offset = es->text_width - fw;
2258 if(max_x_offset < 0) max_x_offset = 0;
2259 if(es->x_offset > max_x_offset)
2260 es->x_offset = max_x_offset;
2262 /* correct es->y_offset */
2263 max_y_offset = es->line_count - vlc;
2264 if(max_y_offset < 0) max_y_offset = 0;
2265 if(es->y_offset > max_y_offset)
2266 es->y_offset = max_y_offset;
2268 /* force scroll info update */
2269 EDIT_UpdateScrollInfo(es);
2272 /* Windows doesn't care to fix text placement for SL controls */
2273 es->format_rect.bottom = es->format_rect.top + es->line_height;
2275 /* Always stay within the client area */
2276 GetClientRect(es->hwndSelf, &ClientRect);
2277 es->format_rect.bottom = min(es->format_rect.bottom, ClientRect.bottom);
2279 if ((es->style & ES_MULTILINE) && !(es->style & ES_AUTOHSCROLL))
2280 EDIT_BuildLineDefs_ML(es, 0, strlenW(es->text), 0, NULL);
2282 EDIT_SetCaretPos(es, es->selection_end, es->flags & EF_AFTER_WRAP);
2286 /*********************************************************************
2290 * note: this is not (exactly) the handler called on EM_SETRECTNP
2291 * it is also used to set the rect of a single line control
2294 static void EDIT_SetRectNP(EDITSTATE *es, LPRECT rc)
2298 CopyRect(&es->format_rect, rc);
2299 ExStyle = GetWindowLongPtrW(es->hwndSelf, GWL_EXSTYLE);
2300 if ((es->style & WS_POPUP) && !(ExStyle & WS_EX_CLIENTEDGE)) {
2301 if (es->style & WS_BORDER) {
2302 INT bw = GetSystemMetrics(SM_CXBORDER) + 1;
2303 es->format_rect.left += bw;
2304 es->format_rect.right -= bw;
2305 if (es->line_height + 2 * bw <=
2306 es->format_rect.bottom - es->format_rect.top) {
2307 es->format_rect.top += bw;
2308 es->format_rect.bottom -= bw;
2312 if (es->line_height + 2 <=
2313 es->format_rect.bottom - es->format_rect.top) {
2314 es->format_rect.top++;
2315 es->format_rect.bottom--;
2317 es->format_rect.left++;
2318 es->format_rect.right--;
2321 es->format_rect.left += es->left_margin;
2322 es->format_rect.right -= es->right_margin;
2323 EDIT_AdjustFormatRect(es);
2327 /*********************************************************************
2332 static void EDIT_UnlockBuffer(EDITSTATE *es, BOOL force)
2335 /* Edit window might be already destroyed */
2336 if(!IsWindow(es->hwndSelf))
2338 WARN("edit hwnd %p already destroyed\n", es->hwndSelf);
2342 if (!es->lock_count) {
2343 ERR("lock_count == 0 ... please report\n");
2347 ERR("es->text == 0 ... please report\n");
2351 if (force || (es->lock_count == 1)) {
2355 UINT countW = strlenW(es->text) + 1;
2356 STACK16FRAME* stack16 = NULL;
2361 UINT countA_new = WideCharToMultiByte(CP_ACP, 0, es->text, countW, NULL, 0, NULL, NULL);
2362 TRACE("Synchronizing with 32-bit ANSI buffer\n");
2363 TRACE("%d WCHARs translated to %d bytes\n", countW, countA_new);
2364 countA = LocalSize(es->hloc32A);
2365 if(countA_new > countA)
2368 UINT alloc_size = ROUND_TO_GROW(countA_new);
2369 TRACE("Resizing 32-bit ANSI buffer from %d to %d bytes\n", countA, alloc_size);
2370 hloc32A_new = LocalReAlloc(es->hloc32A, alloc_size, LMEM_MOVEABLE | LMEM_ZEROINIT);
2373 es->hloc32A = hloc32A_new;
2374 countA = LocalSize(hloc32A_new);
2375 TRACE("Real new size %d bytes\n", countA);
2378 WARN("FAILED! Will synchronize partially\n");
2380 textA = LocalLock(es->hloc32A);
2384 UINT countA_new = WideCharToMultiByte(CP_ACP, 0, es->text, countW, NULL, 0, NULL, NULL);
2386 TRACE("Synchronizing with 16-bit ANSI buffer\n");
2387 TRACE("%d WCHARs translated to %d bytes\n", countW, countA_new);
2389 stack16 = MapSL((SEGPTR)NtCurrentTeb()->WOW32Reserved);
2390 oldDS = stack16->ds;
2391 stack16->ds = GetWindowLongPtrW( es->hwndSelf, GWLP_HINSTANCE );
2393 countA = LocalSize16(es->hloc16);
2394 if(countA_new > countA)
2396 HLOCAL16 hloc16_new;
2397 UINT alloc_size = ROUND_TO_GROW(countA_new);
2398 TRACE("Resizing 16-bit ANSI buffer from %d to %d bytes\n", countA, alloc_size);
2399 hloc16_new = LocalReAlloc16(es->hloc16, alloc_size, LMEM_MOVEABLE | LMEM_ZEROINIT);
2402 es->hloc16 = hloc16_new;
2403 countA = LocalSize16(hloc16_new);
2404 TRACE("Real new size %d bytes\n", countA);
2407 WARN("FAILED! Will synchronize partially\n");
2409 textA = MapSL(LocalLock16(es->hloc16));
2414 WideCharToMultiByte(CP_ACP, 0, es->text, countW, textA, countA, NULL, NULL);
2416 LocalUnlock16(es->hloc16);
2418 LocalUnlock(es->hloc32A);
2421 if (stack16) stack16->ds = oldDS;
2422 LocalUnlock(es->hloc32W);
2426 ERR("no buffer ... please report\n");
2434 /*********************************************************************
2436 * EDIT_UpdateScrollInfo
2439 static void EDIT_UpdateScrollInfo(EDITSTATE *es)
2441 if ((es->style & WS_VSCROLL) && !(es->flags & EF_VSCROLL_TRACK))
2444 si.cbSize = sizeof(SCROLLINFO);
2445 si.fMask = SIF_PAGE | SIF_POS | SIF_RANGE | SIF_DISABLENOSCROLL;
2447 si.nMax = es->line_count - 1;
2448 si.nPage = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
2449 si.nPos = es->y_offset;
2450 TRACE("SB_VERT, nMin=%d, nMax=%d, nPage=%d, nPos=%d\n",
2451 si.nMin, si.nMax, si.nPage, si.nPos);
2452 SetScrollInfo(es->hwndSelf, SB_VERT, &si, TRUE);
2455 if ((es->style & WS_HSCROLL) && !(es->flags & EF_HSCROLL_TRACK))
2458 si.cbSize = sizeof(SCROLLINFO);
2459 si.fMask = SIF_PAGE | SIF_POS | SIF_RANGE | SIF_DISABLENOSCROLL;
2461 si.nMax = es->text_width - 1;
2462 si.nPage = es->format_rect.right - es->format_rect.left;
2463 si.nPos = es->x_offset;
2464 TRACE("SB_HORZ, nMin=%d, nMax=%d, nPage=%d, nPos=%d\n",
2465 si.nMin, si.nMax, si.nPage, si.nPos);
2466 SetScrollInfo(es->hwndSelf, SB_HORZ, &si, TRUE);
2470 /*********************************************************************
2472 * EDIT_WordBreakProc
2474 * Find the beginning of words.
2475 * Note: unlike the specs for a WordBreakProc, this function only
2476 * allows to be called without linebreaks between s[0] upto
2477 * s[count - 1]. Remember it is only called
2478 * internally, so we can decide this for ourselves.
2481 static INT CALLBACK EDIT_WordBreakProc(LPWSTR s, INT index, INT count, INT action)
2485 TRACE("s=%p, index=%d, count=%d, action=%d\n", s, index, count, action);
2495 if (s[index] == ' ') {
2496 while (index && (s[index] == ' '))
2499 while (index && (s[index] != ' '))
2501 if (s[index] == ' ')
2505 while (index && (s[index] != ' '))
2507 if (s[index] == ' ')
2517 if (s[index] == ' ')
2518 while ((index < count) && (s[index] == ' ')) index++;
2520 while (s[index] && (s[index] != ' ') && (index < count))
2522 while ((s[index] == ' ') && (index < count)) index++;
2526 case WB_ISDELIMITER:
2527 ret = (s[index] == ' ');
2530 ERR("unknown action code, please report !\n");
2537 /*********************************************************************
2541 * returns line number (not index) in high-order word of result.
2542 * NB : Q137805 is unclear about this. POINT * pointer in lParam apply
2543 * to Richedit, not to the edit control. Original documentation is valid.
2544 * FIXME: do the specs mean to return -1 if outside client area or
2545 * if outside formatting rectangle ???
2548 static LRESULT EDIT_EM_CharFromPos(EDITSTATE *es, INT x, INT y)
2556 GetClientRect(es->hwndSelf, &rc);
2557 if (!PtInRect(&rc, pt))
2560 index = EDIT_CharFromPos(es, x, y, NULL);
2561 return MAKELONG(index, EDIT_EM_LineFromChar(es, index));
2565 /*********************************************************************
2569 * Enable or disable soft breaks.
2571 * This means: insert or remove the soft linebreak character (\r\r\n).
2572 * Take care to check if the text still fits the buffer after insertion.
2573 * If not, notify with EN_ERRSPACE.
2576 static BOOL EDIT_EM_FmtLines(EDITSTATE *es, BOOL add_eol)
2578 es->flags &= ~EF_USE_SOFTBRK;
2580 es->flags |= EF_USE_SOFTBRK;
2581 FIXME("soft break enabled, not implemented\n");
2587 /*********************************************************************
2591 * Hopefully this won't fire back at us.
2592 * We always start with a fixed buffer in the local heap.
2593 * Despite of the documentation says that the local heap is used
2594 * only if DS_LOCALEDIT flag is set, NT and 2000 always allocate
2595 * buffer on the local heap.
2598 static HLOCAL EDIT_EM_GetHandle(EDITSTATE *es)
2602 if (!(es->style & ES_MULTILINE))
2606 hLocal = es->hloc32W;
2612 UINT countA, alloc_size;
2613 TRACE("Allocating 32-bit ANSI alias buffer\n");
2614 countA = WideCharToMultiByte(CP_ACP, 0, es->text, -1, NULL, 0, NULL, NULL);
2615 alloc_size = ROUND_TO_GROW(countA);
2616 if(!(es->hloc32A = LocalAlloc(LMEM_MOVEABLE | LMEM_ZEROINIT, alloc_size)))
2618 ERR("Could not allocate %d bytes for 32-bit ANSI alias buffer\n", alloc_size);
2621 textA = LocalLock(es->hloc32A);
2622 WideCharToMultiByte(CP_ACP, 0, es->text, -1, textA, countA, NULL, NULL);
2623 LocalUnlock(es->hloc32A);
2625 hLocal = es->hloc32A;
2628 TRACE("Returning %p, LocalSize() = %ld\n", hLocal, LocalSize(hLocal));
2633 /*********************************************************************
2637 * Hopefully this won't fire back at us.
2638 * We always start with a buffer in 32 bit linear memory.
2639 * However, with this message a 16 bit application requests
2640 * a handle of 16 bit local heap memory, where it expects to find
2642 * It's a pitty that from this moment on we have to use this
2643 * local heap, because applications may rely on the handle
2646 * In this function we'll try to switch to local heap.
2648 static HLOCAL16 EDIT_EM_GetHandle16(EDITSTATE *es)
2651 UINT countA, alloc_size;
2652 STACK16FRAME* stack16;
2655 if (!(es->style & ES_MULTILINE))
2661 stack16 = MapSL((SEGPTR)NtCurrentTeb()->WOW32Reserved);
2662 oldDS = stack16->ds;
2663 stack16->ds = GetWindowLongPtrW( es->hwndSelf, GWLP_HINSTANCE );
2665 if (!LocalHeapSize16()) {
2667 if (!LocalInit16(stack16->ds, 0, GlobalSize16(stack16->ds))) {
2668 ERR("could not initialize local heap\n");
2671 TRACE("local heap initialized\n");
2674 countA = WideCharToMultiByte(CP_ACP, 0, es->text, -1, NULL, 0, NULL, NULL);
2675 alloc_size = ROUND_TO_GROW(countA);
2677 TRACE("Allocating 16-bit ANSI alias buffer\n");
2678 if (!(es->hloc16 = LocalAlloc16(LMEM_MOVEABLE | LMEM_ZEROINIT, alloc_size))) {
2679 ERR("could not allocate new 16 bit buffer\n");
2683 if (!(textA = MapSL(LocalLock16( es->hloc16)))) {
2684 ERR("could not lock new 16 bit buffer\n");
2685 LocalFree16(es->hloc16);
2690 WideCharToMultiByte(CP_ACP, 0, es->text, -1, textA, countA, NULL, NULL);
2691 LocalUnlock16(es->hloc16);
2693 TRACE("Returning %04X, LocalSize() = %d\n", es->hloc16, LocalSize16(es->hloc16));
2696 stack16->ds = oldDS;
2701 /*********************************************************************
2706 static INT EDIT_EM_GetLine(EDITSTATE *es, INT line, LPWSTR dst, BOOL unicode)
2709 INT line_len, dst_len;
2712 if (es->style & ES_MULTILINE) {
2713 if (line >= es->line_count)
2717 i = EDIT_EM_LineIndex(es, line);
2719 line_len = EDIT_EM_LineLength(es, i);
2720 dst_len = *(WORD *)dst;
2723 if(dst_len <= line_len)
2725 memcpy(dst, src, dst_len * sizeof(WCHAR));
2728 else /* Append 0 if enough space */
2730 memcpy(dst, src, line_len * sizeof(WCHAR));
2737 INT ret = WideCharToMultiByte(CP_ACP, 0, src, line_len, (LPSTR)dst, dst_len, NULL, NULL);
2738 if(!ret) /* Insufficient buffer size */
2740 if(ret < dst_len) /* Append 0 if enough space */
2741 ((LPSTR)dst)[ret] = 0;
2747 /*********************************************************************
2752 static LRESULT EDIT_EM_GetSel(EDITSTATE *es, PUINT start, PUINT end)
2754 UINT s = es->selection_start;
2755 UINT e = es->selection_end;
2762 return MAKELONG(s, e);
2766 /*********************************************************************
2770 * FIXME: is this right ? (or should it be only VSCROLL)
2771 * (and maybe only for edit controls that really have their
2772 * own scrollbars) (and maybe only for multiline controls ?)
2773 * All in all: very poorly documented
2776 static LRESULT EDIT_EM_GetThumb(EDITSTATE *es)
2778 return MAKELONG(EDIT_WM_VScroll(es, EM_GETTHUMB16, 0),
2779 EDIT_WM_HScroll(es, EM_GETTHUMB16, 0));
2783 /*********************************************************************
2788 static INT EDIT_EM_LineFromChar(EDITSTATE *es, INT index)
2793 if (!(es->style & ES_MULTILINE))
2795 if (index > (INT)strlenW(es->text))
2796 return es->line_count - 1;
2798 index = min(es->selection_start, es->selection_end);
2801 line_def = es->first_line_def;
2802 index -= line_def->length;
2803 while ((index >= 0) && line_def->next) {
2805 line_def = line_def->next;
2806 index -= line_def->length;
2812 /*********************************************************************
2817 static INT EDIT_EM_LineIndex(EDITSTATE *es, INT line)
2822 if (!(es->style & ES_MULTILINE))
2824 if (line >= es->line_count)
2828 line_def = es->first_line_def;
2830 INT index = es->selection_end - line_def->length;
2831 while ((index >= 0) && line_def->next) {
2832 line_index += line_def->length;
2833 line_def = line_def->next;
2834 index -= line_def->length;
2838 line_index += line_def->length;
2839 line_def = line_def->next;
2847 /*********************************************************************
2852 static INT EDIT_EM_LineLength(EDITSTATE *es, INT index)
2856 if (!(es->style & ES_MULTILINE))
2857 return strlenW(es->text);
2860 /* get the number of remaining non-selected chars of selected lines */
2861 INT32 l; /* line number */
2862 INT32 li; /* index of first char in line */
2864 l = EDIT_EM_LineFromChar(es, es->selection_start);
2865 /* # chars before start of selection area */
2866 count = es->selection_start - EDIT_EM_LineIndex(es, l);
2867 l = EDIT_EM_LineFromChar(es, es->selection_end);
2868 /* # chars after end of selection */
2869 li = EDIT_EM_LineIndex(es, l);
2870 count += li + EDIT_EM_LineLength(es, li) - es->selection_end;
2873 line_def = es->first_line_def;
2874 index -= line_def->length;
2875 while ((index >= 0) && line_def->next) {
2876 line_def = line_def->next;
2877 index -= line_def->length;
2879 return line_def->net_length;
2883 /*********************************************************************
2887 * NOTE: dx is in average character widths, dy - in lines;
2890 static BOOL EDIT_EM_LineScroll(EDITSTATE *es, INT dx, INT dy)
2892 if (!(es->style & ES_MULTILINE))
2895 dx *= es->char_width;
2896 return EDIT_EM_LineScroll_internal(es, dx, dy);
2899 /*********************************************************************
2901 * EDIT_EM_LineScroll_internal
2903 * Version of EDIT_EM_LineScroll for internal use.
2904 * It doesn't refuse if ES_MULTILINE is set and assumes that
2905 * dx is in pixels, dy - in lines.
2908 static BOOL EDIT_EM_LineScroll_internal(EDITSTATE *es, INT dx, INT dy)
2911 INT x_offset_in_pixels;
2912 INT lines_per_page = (es->format_rect.bottom - es->format_rect.top) /
2915 if (es->style & ES_MULTILINE)
2917 x_offset_in_pixels = es->x_offset;
2922 x_offset_in_pixels = (short)LOWORD(EDIT_EM_PosFromChar(es, es->x_offset, FALSE));
2925 if (-dx > x_offset_in_pixels)
2926 dx = -x_offset_in_pixels;
2927 if (dx > es->text_width - x_offset_in_pixels)
2928 dx = es->text_width - x_offset_in_pixels;
2929 nyoff = max(0, es->y_offset + dy);
2930 if (nyoff >= es->line_count - lines_per_page)
2931 nyoff = max(0, es->line_count - lines_per_page);
2932 dy = (es->y_offset - nyoff) * es->line_height;
2937 es->y_offset = nyoff;
2938 if(es->style & ES_MULTILINE)
2941 es->x_offset += dx / es->char_width;
2943 GetClientRect(es->hwndSelf, &rc1);
2944 IntersectRect(&rc, &rc1, &es->format_rect);
2945 ScrollWindowEx(es->hwndSelf, -dx, dy,
2946 NULL, &rc, NULL, NULL, SW_INVALIDATE);
2947 /* force scroll info update */
2948 EDIT_UpdateScrollInfo(es);
2950 if (dx && !(es->flags & EF_HSCROLL_TRACK))
2951 EDIT_NOTIFY_PARENT(es, EN_HSCROLL);
2952 if (dy && !(es->flags & EF_VSCROLL_TRACK))
2953 EDIT_NOTIFY_PARENT(es, EN_VSCROLL);
2958 /*********************************************************************
2963 static LRESULT EDIT_EM_PosFromChar(EDITSTATE *es, INT index, BOOL after_wrap)
2965 INT len = strlenW(es->text);
2978 index = min(index, len);
2979 dc = GetDC(es->hwndSelf);
2981 old_font = SelectObject(dc, es->font);
2982 if (es->style & ES_MULTILINE) {
2983 l = EDIT_EM_LineFromChar(es, index);
2984 y = (l - es->y_offset) * es->line_height;
2985 li = EDIT_EM_LineIndex(es, l);
2986 if (after_wrap && (li == index) && l) {
2988 line_def = es->first_line_def;
2990 line_def = line_def->next;
2993 if (line_def->ending == END_WRAP) {
2995 y -= es->line_height;
2996 li = EDIT_EM_LineIndex(es, l);
3000 line_def = es->first_line_def;
3001 while (line_def->index != li)
3002 line_def = line_def->next;
3004 ll = line_def->net_length;
3005 lw = line_def->width;
3007 w = es->format_rect.right - es->format_rect.left;
3008 if (es->style & ES_RIGHT)
3010 x = LOWORD(GetTabbedTextExtentW(dc, es->text + li + (index - li), ll - (index - li),
3011 es->tabs_count, es->tabs)) - es->x_offset;
3014 else if (es->style & ES_CENTER)
3016 x = LOWORD(GetTabbedTextExtentW(dc, es->text + li, index - li,
3017 es->tabs_count, es->tabs)) - es->x_offset;
3022 x = LOWORD(GetTabbedTextExtentW(dc, es->text + li, index - li,
3023 es->tabs_count, es->tabs)) - es->x_offset;
3026 LPWSTR text = EDIT_GetPasswordPointer_SL(es);
3027 if (index < es->x_offset) {
3028 GetTextExtentPoint32W(dc, text + index,
3029 es->x_offset - index, &size);
3032 GetTextExtentPoint32W(dc, text + es->x_offset,
3033 index - es->x_offset, &size);
3036 if (!es->x_offset && (es->style & (ES_RIGHT | ES_CENTER)))
3038 w = es->format_rect.right - es->format_rect.left;
3039 if (w > es->text_width)
3041 if (es->style & ES_RIGHT)
3042 x += w - es->text_width;
3043 else if (es->style & ES_CENTER)
3044 x += (w - es->text_width) / 2;
3049 if (es->style & ES_PASSWORD)
3050 HeapFree(GetProcessHeap(), 0, text);
3052 x += es->format_rect.left;
3053 y += es->format_rect.top;
3055 SelectObject(dc, old_font);
3056 ReleaseDC(es->hwndSelf, dc);
3057 return MAKELONG((INT16)x, (INT16)y);
3061 /*********************************************************************
3065 * FIXME: handle ES_NUMBER and ES_OEMCONVERT here
3068 static void EDIT_EM_ReplaceSel(EDITSTATE *es, BOOL can_undo, LPCWSTR lpsz_replace, BOOL send_update, BOOL honor_limit)
3070 UINT strl = strlenW(lpsz_replace);
3071 UINT tl = strlenW(es->text);
3082 TRACE("%s, can_undo %d, send_update %d\n",
3083 debugstr_w(lpsz_replace), can_undo, send_update);
3085 s = es->selection_start;
3086 e = es->selection_end;
3088 if ((s == e) && !strl)
3093 size = tl - (e - s) + strl;
3097 /* Issue the EN_MAXTEXT notification and continue with replacing text
3098 * such that buffer limit is honored. */
3099 if ((honor_limit) && (es->buffer_limit > 0) && (size > es->buffer_limit)) {
3100 EDIT_NOTIFY_PARENT(es, EN_MAXTEXT);
3101 strl = es->buffer_limit - (tl - (e-s));
3104 if (!EDIT_MakeFit(es, tl - (e - s) + strl))
3108 /* there is something to be deleted */
3109 TRACE("deleting stuff.\n");
3111 buf = HeapAlloc(GetProcessHeap(), 0, (bufl + 1) * sizeof(WCHAR));
3113 memcpy(buf, es->text + s, bufl * sizeof(WCHAR));
3114 buf[bufl] = 0; /* ensure 0 termination */
3116 strcpyW(es->text + s, es->text + e);
3119 /* there is an insertion */
3120 tl = strlenW(es->text);
3121 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));
3122 for (p = es->text + tl ; p >= es->text + s ; p--)
3124 for (i = 0 , p = es->text + s ; i < strl ; i++)
3125 p[i] = lpsz_replace[i];
3126 if(es->style & ES_UPPERCASE)
3127 CharUpperBuffW(p, strl);
3128 else if(es->style & ES_LOWERCASE)
3129 CharLowerBuffW(p, strl);
3131 if (es->style & ES_MULTILINE)
3133 INT st = min(es->selection_start, es->selection_end);
3134 INT vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
3136 hrgn = CreateRectRgn(0, 0, 0, 0);
3137 EDIT_BuildLineDefs_ML(es, st, st + strl,
3138 strl - abs(es->selection_end - es->selection_start), hrgn);
3139 /* if text is too long undo all changes */
3140 if (honor_limit && !(es->style & ES_AUTOVSCROLL) && (es->line_count > vlc)) {
3142 strcpyW(es->text + e, es->text + e + strl);
3144 for (i = 0 , p = es->text ; i < e - s ; i++)
3146 EDIT_BuildLineDefs_ML(es, s, e,
3147 abs(es->selection_end - es->selection_start) - strl, hrgn);
3150 hrgn = CreateRectRgn(0, 0, 0, 0);
3151 EDIT_NOTIFY_PARENT(es, EN_MAXTEXT);
3155 INT fw = es->format_rect.right - es->format_rect.left;
3156 EDIT_CalcLineWidth_SL(es);
3157 /* remove chars that don't fit */
3158 if (honor_limit && !(es->style & ES_AUTOHSCROLL) && (es->text_width > fw)) {
3159 while ((es->text_width > fw) && s + strl >= s) {
3160 strcpyW(es->text + s + strl - 1, es->text + s + strl);
3162 EDIT_CalcLineWidth_SL(es);
3164 EDIT_NOTIFY_PARENT(es, EN_MAXTEXT);
3170 utl = strlenW(es->undo_text);
3171 if (!es->undo_insert_count && (*es->undo_text && (s == es->undo_position))) {
3172 /* undo-buffer is extended to the right */
3173 EDIT_MakeUndoFit(es, utl + e - s);
3174 memcpy(es->undo_text + utl, buf, (e - s)*sizeof(WCHAR));
3175 (es->undo_text + utl)[e - s] = 0; /* ensure 0 termination */
3176 } else if (!es->undo_insert_count && (*es->undo_text && (e == es->undo_position))) {
3177 /* undo-buffer is extended to the left */
3178 EDIT_MakeUndoFit(es, utl + e - s);
3179 for (p = es->undo_text + utl ; p >= es->undo_text ; p--)
3181 for (i = 0 , p = es->undo_text ; i < e - s ; i++)
3183 es->undo_position = s;
3185 /* new undo-buffer */
3186 EDIT_MakeUndoFit(es, e - s);
3187 memcpy(es->undo_text, buf, (e - s)*sizeof(WCHAR));
3188 es->undo_text[e - s] = 0; /* ensure 0 termination */
3189 es->undo_position = s;
3191 /* any deletion makes the old insertion-undo invalid */
3192 es->undo_insert_count = 0;
3194 EDIT_EM_EmptyUndoBuffer(es);
3198 if ((s == es->undo_position) ||
3199 ((es->undo_insert_count) &&
3200 (s == es->undo_position + es->undo_insert_count)))
3202 * insertion is new and at delete position or
3203 * an extension to either left or right
3205 es->undo_insert_count += strl;
3207 /* new insertion undo */
3208 es->undo_position = s;
3209 es->undo_insert_count = strl;
3210 /* new insertion makes old delete-buffer invalid */
3211 *es->undo_text = '\0';
3214 EDIT_EM_EmptyUndoBuffer(es);
3218 HeapFree(GetProcessHeap(), 0, buf);
3222 /* If text has been deleted and we're right or center aligned then scroll rightward */
3223 if (es->style & (ES_RIGHT | ES_CENTER))
3225 INT delta = strl - abs(es->selection_end - es->selection_start);
3227 if (delta < 0 && es->x_offset)
3229 if (abs(delta) > es->x_offset)
3232 es->x_offset += delta;
3236 EDIT_EM_SetSel(es, s, s, FALSE);
3237 es->flags |= EF_MODIFIED;
3238 if (send_update) es->flags |= EF_UPDATE;
3241 EDIT_UpdateTextRegion(es, hrgn, TRUE);
3245 EDIT_UpdateText(es, NULL, TRUE);
3247 EDIT_EM_ScrollCaret(es);
3249 /* force scroll info update */
3250 EDIT_UpdateScrollInfo(es);
3253 if(send_update || (es->flags & EF_UPDATE))
3255 es->flags &= ~EF_UPDATE;
3256 EDIT_NOTIFY_PARENT(es, EN_CHANGE);
3261 /*********************************************************************
3266 static LRESULT EDIT_EM_Scroll(EDITSTATE *es, INT action)
3270 if (!(es->style & ES_MULTILINE))
3271 return (LRESULT)FALSE;
3281 if (es->y_offset < es->line_count - 1)
3286 dy = -(es->format_rect.bottom - es->format_rect.top) / es->line_height;
3289 if (es->y_offset < es->line_count - 1)
3290 dy = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
3293 return (LRESULT)FALSE;
3296 INT vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
3297 /* check if we are going to move too far */
3298 if(es->y_offset + dy > es->line_count - vlc)
3299 dy = es->line_count - vlc - es->y_offset;
3301 /* Notification is done in EDIT_EM_LineScroll */
3303 EDIT_EM_LineScroll(es, 0, dy);
3305 return MAKELONG((INT16)dy, (BOOL16)TRUE);
3309 /*********************************************************************
3314 static void EDIT_EM_ScrollCaret(EDITSTATE *es)
3316 if (es->style & ES_MULTILINE) {
3321 INT cw = es->char_width;
3326 l = EDIT_EM_LineFromChar(es, es->selection_end);
3327 li = EDIT_EM_LineIndex(es, l);
3328 x = (short)LOWORD(EDIT_EM_PosFromChar(es, es->selection_end, es->flags & EF_AFTER_WRAP));
3329 vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
3330 if (l >= es->y_offset + vlc)
3331 dy = l - vlc + 1 - es->y_offset;
3332 if (l < es->y_offset)
3333 dy = l - es->y_offset;
3334 ww = es->format_rect.right - es->format_rect.left;
3335 if (x < es->format_rect.left)
3336 dx = x - es->format_rect.left - ww / HSCROLL_FRACTION / cw * cw;
3337 if (x > es->format_rect.right)
3338 dx = x - es->format_rect.left - (HSCROLL_FRACTION - 1) * ww / HSCROLL_FRACTION / cw * cw;
3339 if (dy || dx || (es->y_offset && (es->line_count - es->y_offset < vlc)))
3341 /* check if we are going to move too far */
3342 if(es->x_offset + dx + ww > es->text_width)
3343 dx = es->text_width - ww - es->x_offset;
3344 if(dx || dy || (es->y_offset && (es->line_count - es->y_offset < vlc)))
3345 EDIT_EM_LineScroll_internal(es, dx, dy);
3352 x = (short)LOWORD(EDIT_EM_PosFromChar(es, es->selection_end, FALSE));
3353 format_width = es->format_rect.right - es->format_rect.left;
3354 if (x < es->format_rect.left) {
3355 goal = es->format_rect.left + format_width / HSCROLL_FRACTION;
3358 x = (short)LOWORD(EDIT_EM_PosFromChar(es, es->selection_end, FALSE));
3359 } while ((x < goal) && es->x_offset);
3360 /* FIXME: use ScrollWindow() somehow to improve performance */
3361 EDIT_UpdateText(es, NULL, TRUE);
3362 } else if (x > es->format_rect.right) {
3364 INT len = strlenW(es->text);
3365 goal = es->format_rect.right - format_width / HSCROLL_FRACTION;
3368 x = (short)LOWORD(EDIT_EM_PosFromChar(es, es->selection_end, FALSE));
3369 x_last = (short)LOWORD(EDIT_EM_PosFromChar(es, len, FALSE));
3370 } while ((x > goal) && (x_last > es->format_rect.right));
3371 /* FIXME: use ScrollWindow() somehow to improve performance */
3372 EDIT_UpdateText(es, NULL, TRUE);
3376 if(es->flags & EF_FOCUSED)
3377 EDIT_SetCaretPos(es, es->selection_end, es->flags & EF_AFTER_WRAP);
3381 /*********************************************************************
3385 * FIXME: ES_LOWERCASE, ES_UPPERCASE, ES_OEMCONVERT, ES_NUMBER ???
3388 static void EDIT_EM_SetHandle(EDITSTATE *es, HLOCAL hloc)
3390 if (!(es->style & ES_MULTILINE))
3394 WARN("called with NULL handle\n");
3398 EDIT_UnlockBuffer(es, TRUE);
3402 STACK16FRAME* stack16 = MapSL((SEGPTR)NtCurrentTeb()->WOW32Reserved);
3403 HANDLE16 oldDS = stack16->ds;
3405 stack16->ds = GetWindowLongPtrW( es->hwndSelf, GWLP_HINSTANCE );
3406 LocalFree16(es->hloc16);
3407 stack16->ds = oldDS;
3415 LocalFree(es->hloc32A);
3427 countA = LocalSize(hloc);
3428 textA = LocalLock(hloc);
3429 countW = MultiByteToWideChar(CP_ACP, 0, textA, countA, NULL, 0);
3430 if(!(hloc32W_new = LocalAlloc(LMEM_MOVEABLE | LMEM_ZEROINIT, countW * sizeof(WCHAR))))
3432 ERR("Could not allocate new unicode buffer\n");
3435 textW = LocalLock(hloc32W_new);
3436 MultiByteToWideChar(CP_ACP, 0, textA, countA, textW, countW);
3437 LocalUnlock(hloc32W_new);
3441 LocalFree(es->hloc32W);
3443 es->hloc32W = hloc32W_new;
3447 es->buffer_size = LocalSize(es->hloc32W)/sizeof(WCHAR) - 1;
3449 EDIT_LockBuffer(es);
3451 es->x_offset = es->y_offset = 0;
3452 es->selection_start = es->selection_end = 0;
3453 EDIT_EM_EmptyUndoBuffer(es);
3454 es->flags &= ~EF_MODIFIED;
3455 es->flags &= ~EF_UPDATE;
3456 EDIT_BuildLineDefs_ML(es, 0, strlenW(es->text), 0, NULL);
3457 EDIT_UpdateText(es, NULL, TRUE);
3458 EDIT_EM_ScrollCaret(es);
3459 /* force scroll info update */
3460 EDIT_UpdateScrollInfo(es);
3464 /*********************************************************************
3468 * FIXME: ES_LOWERCASE, ES_UPPERCASE, ES_OEMCONVERT, ES_NUMBER ???
3471 static void EDIT_EM_SetHandle16(EDITSTATE *es, HLOCAL16 hloc)
3473 STACK16FRAME* stack16 = MapSL((SEGPTR)NtCurrentTeb()->WOW32Reserved);
3474 HINSTANCE16 hInstance = GetWindowLongPtrW( es->hwndSelf, GWLP_HINSTANCE );
3475 HANDLE16 oldDS = stack16->ds;
3481 if (!(es->style & ES_MULTILINE))
3485 WARN("called with NULL handle\n");
3489 EDIT_UnlockBuffer(es, TRUE);
3493 LocalFree(es->hloc32A);
3497 stack16->ds = hInstance;
3498 countA = LocalSize16(hloc);
3499 textA = MapSL(LocalLock16(hloc));
3500 countW = MultiByteToWideChar(CP_ACP, 0, textA, countA, NULL, 0);
3501 if(!(hloc32W_new = LocalAlloc(LMEM_MOVEABLE | LMEM_ZEROINIT, countW * sizeof(WCHAR))))
3503 ERR("Could not allocate new unicode buffer\n");
3506 textW = LocalLock(hloc32W_new);
3507 MultiByteToWideChar(CP_ACP, 0, textA, countA, textW, countW);
3508 LocalUnlock(hloc32W_new);
3509 LocalUnlock16(hloc);
3510 stack16->ds = oldDS;
3513 LocalFree(es->hloc32W);
3515 es->hloc32W = hloc32W_new;
3518 es->buffer_size = LocalSize(es->hloc32W)/sizeof(WCHAR) - 1;
3520 EDIT_LockBuffer(es);
3522 es->x_offset = es->y_offset = 0;
3523 es->selection_start = es->selection_end = 0;
3524 EDIT_EM_EmptyUndoBuffer(es);
3525 es->flags &= ~EF_MODIFIED;
3526 es->flags &= ~EF_UPDATE;
3527 EDIT_BuildLineDefs_ML(es, 0, strlenW(es->text), 0, NULL);
3528 EDIT_UpdateText(es, NULL, TRUE);
3529 EDIT_EM_ScrollCaret(es);
3530 /* force scroll info update */
3531 EDIT_UpdateScrollInfo(es);
3535 /*********************************************************************
3539 * FIXME: in WinNT maxsize is 0x7FFFFFFF / 0xFFFFFFFF
3540 * However, the windows version is not complied to yet in all of edit.c
3542 * Additionally as the wrapper for RichEdit controls we need larger buffers
3543 * at present -1 will represent nolimit
3545 static void EDIT_EM_SetLimitText(EDITSTATE *es, INT limit)
3547 if (limit == 0xFFFFFFFF)
3548 es->buffer_limit = -1;
3549 else if (es->style & ES_MULTILINE) {
3551 es->buffer_limit = min(limit, BUFLIMIT_MULTI);
3553 es->buffer_limit = BUFLIMIT_MULTI;
3556 es->buffer_limit = min(limit, BUFLIMIT_SINGLE);
3558 es->buffer_limit = BUFLIMIT_SINGLE;
3563 /*********************************************************************
3567 * EC_USEFONTINFO is used as a left or right value i.e. lParam and not as an
3568 * action wParam despite what the docs say. EC_USEFONTINFO calculates the
3569 * margin according to the textmetrics of the current font.
3571 * FIXME - With TrueType or vector fonts EC_USEFONTINFO currently sets one third
3572 * of the char's width as the margin, but this is not how Windows handles this.
3573 * For all other fonts Windows sets the margins to zero.
3576 static void EDIT_EM_SetMargins(EDITSTATE *es, INT action,
3577 INT left, INT right, BOOL repaint)
3580 INT default_left_margin = 0; /* in pixels */
3581 INT default_right_margin = 0; /* in pixels */
3583 /* Set the default margins depending on the font */
3584 if (es->font && (left == EC_USEFONTINFO || right == EC_USEFONTINFO)) {
3585 HDC dc = GetDC(es->hwndSelf);
3586 HFONT old_font = SelectObject(dc, es->font);
3587 GetTextMetricsW(dc, &tm);
3588 /* The default margins are only non zero for TrueType or Vector fonts */
3589 if (tm.tmPitchAndFamily & ( TMPF_VECTOR | TMPF_TRUETYPE )) {
3590 /* This must be calculated more exactly! But how? */
3591 default_left_margin = tm.tmAveCharWidth / 3;
3592 default_right_margin = tm.tmAveCharWidth / 3;
3594 SelectObject(dc, old_font);
3595 ReleaseDC(es->hwndSelf, dc);
3598 if (action & EC_LEFTMARGIN) {
3599 es->format_rect.left -= es->left_margin;
3600 if (left != EC_USEFONTINFO)
3601 es->left_margin = left;
3603 es->left_margin = default_left_margin;
3604 es->format_rect.left += es->left_margin;
3607 if (action & EC_RIGHTMARGIN) {
3608 es->format_rect.right += es->right_margin;
3609 if (right != EC_USEFONTINFO)
3610 es->right_margin = right;
3612 es->right_margin = default_right_margin;
3613 es->format_rect.right -= es->right_margin;
3616 if (action & (EC_LEFTMARGIN | EC_RIGHTMARGIN)) {
3617 EDIT_AdjustFormatRect(es);
3618 if (repaint) EDIT_UpdateText(es, NULL, TRUE);
3621 TRACE("left=%d, right=%d\n", es->left_margin, es->right_margin);
3625 /*********************************************************************
3627 * EM_SETPASSWORDCHAR
3630 static void EDIT_EM_SetPasswordChar(EDITSTATE *es, WCHAR c)
3634 if (es->style & ES_MULTILINE)
3637 if (es->password_char == c)
3640 style = GetWindowLongW( es->hwndSelf, GWL_STYLE );
3641 es->password_char = c;
3643 SetWindowLongW( es->hwndSelf, GWL_STYLE, style | ES_PASSWORD );
3644 es->style |= ES_PASSWORD;
3646 SetWindowLongW( es->hwndSelf, GWL_STYLE, style & ~ES_PASSWORD );
3647 es->style &= ~ES_PASSWORD;
3649 EDIT_UpdateText(es, NULL, TRUE);
3653 /*********************************************************************
3657 * note: unlike the specs say: the order of start and end
3658 * _is_ preserved in Windows. (i.e. start can be > end)
3659 * In other words: this handler is OK
3662 static void EDIT_EM_SetSel(EDITSTATE *es, UINT start, UINT end, BOOL after_wrap)
3664 UINT old_start = es->selection_start;
3665 UINT old_end = es->selection_end;
3666 UINT len = strlenW(es->text);
3668 if (start == (UINT)-1) {
3669 start = es->selection_end;
3670 end = es->selection_end;
3672 start = min(start, len);
3673 end = min(end, len);
3675 es->selection_start = start;
3676 es->selection_end = end;
3678 es->flags |= EF_AFTER_WRAP;
3680 es->flags &= ~EF_AFTER_WRAP;
3681 /* Compute the necessary invalidation region. */
3682 /* Note that we don't need to invalidate regions which have
3683 * "never" been selected, or those which are "still" selected.
3684 * In fact, every time we hit a selection boundary, we can
3685 * *toggle* whether we need to invalidate. Thus we can optimize by
3686 * *sorting* the interval endpoints. Let's assume that we sort them
3688 * start <= end <= old_start <= old_end
3689 * Knuth 5.3.1 (p 183) asssures us that this can be done optimally
3690 * in 5 comparisons; ie it's impossible to do better than the
3692 ORDER_UINT(end, old_end);
3693 ORDER_UINT(start, old_start);
3694 ORDER_UINT(old_start, old_end);
3695 ORDER_UINT(start, end);
3696 /* Note that at this point 'end' and 'old_start' are not in order, but
3697 * start is definitely the min. and old_end is definitely the max. */
3698 if (end != old_start)
3702 * ORDER_UINT32(end, old_start);
3703 * EDIT_InvalidateText(es, start, end);
3704 * EDIT_InvalidateText(es, old_start, old_end);
3705 * in place of the following if statement.
3706 * (That would complete the optimal five-comparison four-element sort.)
3708 if (old_start > end )
3710 EDIT_InvalidateText(es, start, end);
3711 EDIT_InvalidateText(es, old_start, old_end);
3715 EDIT_InvalidateText(es, start, old_start);
3716 EDIT_InvalidateText(es, end, old_end);
3719 else EDIT_InvalidateText(es, start, old_end);
3723 /*********************************************************************
3728 static BOOL EDIT_EM_SetTabStops(EDITSTATE *es, INT count, LPINT tabs)
3730 if (!(es->style & ES_MULTILINE))
3732 HeapFree(GetProcessHeap(), 0, es->tabs);
3733 es->tabs_count = count;
3737 es->tabs = HeapAlloc(GetProcessHeap(), 0, count * sizeof(INT));
3738 memcpy(es->tabs, tabs, count * sizeof(INT));
3744 /*********************************************************************
3749 static BOOL EDIT_EM_SetTabStops16(EDITSTATE *es, INT count, LPINT16 tabs)
3751 if (!(es->style & ES_MULTILINE))
3753 HeapFree(GetProcessHeap(), 0, es->tabs);
3754 es->tabs_count = count;
3759 es->tabs = HeapAlloc(GetProcessHeap(), 0, count * sizeof(INT));
3760 for (i = 0 ; i < count ; i++)
3761 es->tabs[i] = *tabs++;
3767 /*********************************************************************
3769 * EM_SETWORDBREAKPROC
3772 static void EDIT_EM_SetWordBreakProc(EDITSTATE *es, void *wbp)
3774 if (es->word_break_proc == wbp)
3777 es->word_break_proc = wbp;
3778 es->word_break_proc16 = NULL;
3780 if ((es->style & ES_MULTILINE) && !(es->style & ES_AUTOHSCROLL)) {
3781 EDIT_BuildLineDefs_ML(es, 0, strlenW(es->text), 0, NULL);
3782 EDIT_UpdateText(es, NULL, TRUE);
3787 /*********************************************************************
3789 * EM_SETWORDBREAKPROC16
3792 static void EDIT_EM_SetWordBreakProc16(EDITSTATE *es, EDITWORDBREAKPROC16 wbp)
3794 if (es->word_break_proc16 == wbp)
3797 es->word_break_proc = NULL;
3798 es->word_break_proc16 = wbp;
3799 if ((es->style & ES_MULTILINE) && !(es->style & ES_AUTOHSCROLL)) {
3800 EDIT_BuildLineDefs_ML(es, 0, strlenW(es->text), 0, NULL);
3801 EDIT_UpdateText(es, NULL, TRUE);
3806 /*********************************************************************
3811 static BOOL EDIT_EM_Undo(EDITSTATE *es)
3816 /* As per MSDN spec, for a single-line edit control,
3817 the return value is always TRUE */
3818 if( es->style & ES_READONLY )
3819 return !(es->style & ES_MULTILINE);
3821 ulength = strlenW(es->undo_text);
3823 utext = HeapAlloc(GetProcessHeap(), 0, (ulength + 1) * sizeof(WCHAR));
3825 strcpyW(utext, es->undo_text);
3827 TRACE("before UNDO:insertion length = %d, deletion buffer = %s\n",
3828 es->undo_insert_count, debugstr_w(utext));
3830 EDIT_EM_SetSel(es, es->undo_position, es->undo_position + es->undo_insert_count, FALSE);
3831 EDIT_EM_EmptyUndoBuffer(es);
3832 EDIT_EM_ReplaceSel(es, TRUE, utext, TRUE, TRUE);
3833 EDIT_EM_SetSel(es, es->undo_position, es->undo_position + es->undo_insert_count, FALSE);
3834 /* send the notification after the selection start and end are set */
3835 EDIT_NOTIFY_PARENT(es, EN_CHANGE);
3836 EDIT_EM_ScrollCaret(es);
3837 HeapFree(GetProcessHeap(), 0, utext);
3839 TRACE("after UNDO:insertion length = %d, deletion buffer = %s\n",
3840 es->undo_insert_count, debugstr_w(es->undo_text));
3845 /*********************************************************************
3850 static void EDIT_WM_Char(EDITSTATE *es, WCHAR c)
3854 control = GetKeyState(VK_CONTROL) & 0x8000;
3858 /* If the edit doesn't want the return and it's not a multiline edit, do nothing */
3859 if(!(es->style & ES_MULTILINE) && !(es->style & ES_WANTRETURN))
3862 if (es->style & ES_MULTILINE) {
3863 if (es->style & ES_READONLY) {
3864 EDIT_MoveHome(es, FALSE);
3865 EDIT_MoveDown_ML(es, FALSE);
3867 static const WCHAR cr_lfW[] = {'\r','\n',0};
3868 EDIT_EM_ReplaceSel(es, TRUE, cr_lfW, TRUE, TRUE);
3873 if ((es->style & ES_MULTILINE) && !(es->style & ES_READONLY))
3875 static const WCHAR tabW[] = {'\t',0};
3876 EDIT_EM_ReplaceSel(es, TRUE, tabW, TRUE, TRUE);
3880 if (!(es->style & ES_READONLY) && !control) {
3881 if (es->selection_start != es->selection_end)
3884 /* delete character left of caret */
3885 EDIT_EM_SetSel(es, (UINT)-1, 0, FALSE);
3886 EDIT_MoveBackward(es, TRUE);
3892 SendMessageW(es->hwndSelf, WM_COPY, 0, 0);
3895 if (!(es->style & ES_READONLY))
3896 SendMessageW(es->hwndSelf, WM_PASTE, 0, 0);
3899 if (!(es->style & ES_READONLY))
3900 SendMessageW(es->hwndSelf, WM_CUT, 0, 0);
3904 /*If Edit control style is ES_NUMBER allow users to key in only numeric values*/
3905 if( (es->style & ES_NUMBER) && !( c >= '0' && c <= '9') )
3908 if (!(es->style & ES_READONLY) && (c >= ' ') && (c != 127)) {
3912 EDIT_EM_ReplaceSel(es, TRUE, str, TRUE, TRUE);
3919 /*********************************************************************
3924 static void EDIT_WM_Command(EDITSTATE *es, INT code, INT id, HWND control)
3926 if (code || control)
3946 EDIT_EM_SetSel(es, 0, (UINT)-1, FALSE);
3947 EDIT_EM_ScrollCaret(es);
3950 ERR("unknown menu item, please report\n");
3956 /*********************************************************************
3960 * Note: the resource files resource/sysres_??.rc cannot define a
3961 * single popup menu. Hence we use a (dummy) menubar
3962 * containing the single popup menu as its first item.
3964 * FIXME: the message identifiers have been chosen arbitrarily,
3965 * hence we use MF_BYPOSITION.
3966 * We might as well use the "real" values (anybody knows ?)
3967 * The menu definition is in resources/sysres_??.rc.
3968 * Once these are OK, we better use MF_BYCOMMAND here
3969 * (as we do in EDIT_WM_Command()).
3972 static void EDIT_WM_ContextMenu(EDITSTATE *es, INT x, INT y)
3974 HMENU menu = LoadMenuA(user32_module, "EDITMENU");
3975 HMENU popup = GetSubMenu(menu, 0);
3976 UINT start = es->selection_start;
3977 UINT end = es->selection_end;
3979 ORDER_UINT(start, end);
3982 EnableMenuItem(popup, 0, MF_BYPOSITION | (EDIT_EM_CanUndo(es) && !(es->style & ES_READONLY) ? MF_ENABLED : MF_GRAYED));
3984 EnableMenuItem(popup, 2, MF_BYPOSITION | ((end - start) && !(es->style & ES_PASSWORD) && !(es->style & ES_READONLY) ? MF_ENABLED : MF_GRAYED));
3986 EnableMenuItem(popup, 3, MF_BYPOSITION | ((end - start) && !(es->style & ES_PASSWORD) ? MF_ENABLED : MF_GRAYED));
3988 EnableMenuItem(popup, 4, MF_BYPOSITION | (IsClipboardFormatAvailable(CF_UNICODETEXT) && !(es->style & ES_READONLY) ? MF_ENABLED : MF_GRAYED));
3990 EnableMenuItem(popup, 5, MF_BYPOSITION | ((end - start) && !(es->style & ES_READONLY) ? MF_ENABLED : MF_GRAYED));
3992 EnableMenuItem(popup, 7, MF_BYPOSITION | (start || (end != strlenW(es->text)) ? MF_ENABLED : MF_GRAYED));
3994 TrackPopupMenu(popup, TPM_LEFTALIGN | TPM_RIGHTBUTTON, x, y, 0, es->hwndSelf, NULL);
3999 /*********************************************************************
4004 static void EDIT_WM_Copy(EDITSTATE *es)
4006 INT s = min(es->selection_start, es->selection_end);
4007 INT e = max(es->selection_start, es->selection_end);
4015 hdst = GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE, (len + 1) * sizeof(WCHAR));
4016 dst = GlobalLock(hdst);
4017 memcpy(dst, es->text + s, len * sizeof(WCHAR));
4018 dst[len] = 0; /* ensure 0 termination */
4019 TRACE("%s\n", debugstr_w(dst));
4021 OpenClipboard(es->hwndSelf);
4023 SetClipboardData(CF_UNICODETEXT, hdst);
4028 /*********************************************************************
4033 static LRESULT EDIT_WM_Create(EDITSTATE *es, LPCWSTR name)
4037 TRACE("%s\n", debugstr_w(name));
4039 * To initialize some final structure members, we call some helper
4040 * functions. However, since the EDITSTATE is not consistent (i.e.
4041 * not fully initialized), we should be very careful which
4042 * functions can be called, and in what order.
4044 EDIT_WM_SetFont(es, 0, FALSE);
4045 EDIT_EM_EmptyUndoBuffer(es);
4047 /* We need to calculate the format rect
4048 (applications may send EM_SETMARGINS before the control gets visible) */
4049 GetClientRect(es->hwndSelf, &clientRect);
4050 EDIT_SetRectNP(es, &clientRect);
4052 if (name && *name) {
4053 EDIT_EM_ReplaceSel(es, FALSE, name, FALSE, TRUE);
4054 /* if we insert text to the editline, the text scrolls out
4055 * of the window, as the caret is placed after the insert
4056 * pos normally; thus we reset es->selection... to 0 and
4059 es->selection_start = es->selection_end = 0;
4060 /* Adobe Photoshop does NOT like this. and MSDN says that EN_CHANGE
4061 * Messages are only to be sent when the USER does something to
4062 * change the contents. So I am removing this EN_CHANGE
4064 * EDIT_NOTIFY_PARENT(es, EN_CHANGE);
4066 EDIT_EM_ScrollCaret(es);
4068 /* force scroll info update */
4069 EDIT_UpdateScrollInfo(es);
4070 /* The rule seems to return 1 here for success */
4071 /* Power Builder masked edit controls will crash */
4073 /* FIXME: is that in all cases so ? */
4078 /*********************************************************************
4083 static LRESULT EDIT_WM_Destroy(EDITSTATE *es)
4088 while (LocalUnlock(es->hloc32W)) ;
4089 LocalFree(es->hloc32W);
4092 while (LocalUnlock(es->hloc32A)) ;
4093 LocalFree(es->hloc32A);
4096 STACK16FRAME* stack16 = MapSL((SEGPTR)NtCurrentTeb()->WOW32Reserved);
4097 HANDLE16 oldDS = stack16->ds;
4099 stack16->ds = GetWindowLongPtrW( es->hwndSelf, GWLP_HINSTANCE );
4100 while (LocalUnlock16(es->hloc16)) ;
4101 LocalFree16(es->hloc16);
4102 stack16->ds = oldDS;
4105 pc = es->first_line_def;
4109 HeapFree(GetProcessHeap(), 0, pc);
4113 SetWindowLongW( es->hwndSelf, 0, 0 );
4114 HeapFree(GetProcessHeap(), 0, es);
4120 /*********************************************************************
4125 static LRESULT EDIT_WM_EraseBkGnd(EDITSTATE *es, HDC dc)
4127 /* we do the proper erase in EDIT_WM_Paint */
4132 /*********************************************************************
4137 static INT EDIT_WM_GetText(EDITSTATE *es, INT count, LPWSTR dst, BOOL unicode)
4139 if(!count) return 0;
4143 lstrcpynW(dst, es->text, count);
4144 return strlenW(dst);
4148 LPSTR textA = (LPSTR)dst;
4149 if (!WideCharToMultiByte(CP_ACP, 0, es->text, -1, textA, count, NULL, NULL))
4150 textA[count - 1] = 0; /* ensure 0 termination */
4151 return strlen(textA);
4155 /*********************************************************************
4160 static LRESULT EDIT_WM_HScroll(EDITSTATE *es, INT action, INT pos)
4165 if (!(es->style & ES_MULTILINE))
4168 if (!(es->style & ES_AUTOHSCROLL))
4172 fw = es->format_rect.right - es->format_rect.left;
4175 TRACE("SB_LINELEFT\n");
4177 dx = -es->char_width;
4180 TRACE("SB_LINERIGHT\n");
4181 if (es->x_offset < es->text_width)
4182 dx = es->char_width;
4185 TRACE("SB_PAGELEFT\n");
4187 dx = -fw / HSCROLL_FRACTION / es->char_width * es->char_width;
4190 TRACE("SB_PAGERIGHT\n");
4191 if (es->x_offset < es->text_width)
4192 dx = fw / HSCROLL_FRACTION / es->char_width * es->char_width;
4200 TRACE("SB_RIGHT\n");
4201 if (es->x_offset < es->text_width)
4202 dx = es->text_width - es->x_offset;
4205 TRACE("SB_THUMBTRACK %d\n", pos);
4206 es->flags |= EF_HSCROLL_TRACK;
4207 if(es->style & WS_HSCROLL)
4208 dx = pos - es->x_offset;
4213 if(pos < 0 || pos > 100) return 0;
4214 /* Assume default scroll range 0-100 */
4215 fw = es->format_rect.right - es->format_rect.left;
4216 new_x = pos * (es->text_width - fw) / 100;
4217 dx = es->text_width ? (new_x - es->x_offset) : 0;
4220 case SB_THUMBPOSITION:
4221 TRACE("SB_THUMBPOSITION %d\n", pos);
4222 es->flags &= ~EF_HSCROLL_TRACK;
4223 if(GetWindowLongW( es->hwndSelf, GWL_STYLE ) & WS_HSCROLL)
4224 dx = pos - es->x_offset;
4229 if(pos < 0 || pos > 100) return 0;
4230 /* Assume default scroll range 0-100 */
4231 fw = es->format_rect.right - es->format_rect.left;
4232 new_x = pos * (es->text_width - fw) / 100;
4233 dx = es->text_width ? (new_x - es->x_offset) : 0;
4236 /* force scroll info update */
4237 EDIT_UpdateScrollInfo(es);
4238 EDIT_NOTIFY_PARENT(es, EN_HSCROLL);
4242 TRACE("SB_ENDSCROLL\n");
4245 * FIXME : the next two are undocumented !
4246 * Are we doing the right thing ?
4247 * At least Win 3.1 Notepad makes use of EM_GETTHUMB this way,
4248 * although it's also a regular control message.
4250 case EM_GETTHUMB: /* this one is used by NT notepad */
4254 if(GetWindowLongW( es->hwndSelf, GWL_STYLE ) & WS_HSCROLL)
4255 ret = GetScrollPos(es->hwndSelf, SB_HORZ);
4258 /* Assume default scroll range 0-100 */
4259 INT fw = es->format_rect.right - es->format_rect.left;
4260 ret = es->text_width ? es->x_offset * 100 / (es->text_width - fw) : 0;
4262 TRACE("EM_GETTHUMB: returning %ld\n", ret);
4265 case EM_LINESCROLL16:
4266 TRACE("EM_LINESCROLL16\n");
4271 ERR("undocumented WM_HSCROLL action %d (0x%04x), please report\n",
4277 INT fw = es->format_rect.right - es->format_rect.left;
4278 /* check if we are going to move too far */
4279 if(es->x_offset + dx + fw > es->text_width)
4280 dx = es->text_width - fw - es->x_offset;
4282 EDIT_EM_LineScroll_internal(es, dx, 0);
4288 /*********************************************************************
4293 static BOOL EDIT_CheckCombo(EDITSTATE *es, UINT msg, INT key)
4295 HWND hLBox = es->hwndListBox;
4303 hCombo = GetParent(es->hwndSelf);
4307 TRACE_(combo)("[%p]: handling msg %x (%x)\n", es->hwndSelf, msg, key);
4309 if (key == VK_UP || key == VK_DOWN)
4311 if (SendMessageW(hCombo, CB_GETEXTENDEDUI, 0, 0))
4314 if (msg == WM_KEYDOWN || nEUI)
4315 bDropped = (BOOL)SendMessageW(hCombo, CB_GETDROPPEDSTATE, 0, 0);
4321 if (!bDropped && nEUI && (key == VK_UP || key == VK_DOWN))
4323 /* make sure ComboLBox pops up */
4324 SendMessageW(hCombo, CB_SETEXTENDEDUI, FALSE, 0);
4329 SendMessageW(hLBox, WM_KEYDOWN, (WPARAM)key, 0);
4332 case WM_SYSKEYDOWN: /* Handle Alt+up/down arrows */
4334 SendMessageW(hCombo, CB_SHOWDROPDOWN, bDropped ? FALSE : TRUE, 0);
4336 SendMessageW(hLBox, WM_KEYDOWN, (WPARAM)VK_F4, 0);
4341 SendMessageW(hCombo, CB_SETEXTENDEDUI, TRUE, 0);
4347 /*********************************************************************
4351 * Handling of special keys that don't produce a WM_CHAR
4352 * (i.e. non-printable keys) & Backspace & Delete
4355 static LRESULT EDIT_WM_KeyDown(EDITSTATE *es, INT key)
4360 if (GetKeyState(VK_MENU) & 0x8000)
4363 shift = GetKeyState(VK_SHIFT) & 0x8000;
4364 control = GetKeyState(VK_CONTROL) & 0x8000;
4369 if (EDIT_CheckCombo(es, WM_KEYDOWN, key) || key == VK_F4)
4374 if ((es->style & ES_MULTILINE) && (key == VK_UP))
4375 EDIT_MoveUp_ML(es, shift);
4378 EDIT_MoveWordBackward(es, shift);
4380 EDIT_MoveBackward(es, shift);
4383 if (EDIT_CheckCombo(es, WM_KEYDOWN, key))
4387 if ((es->style & ES_MULTILINE) && (key == VK_DOWN))
4388 EDIT_MoveDown_ML(es, shift);
4390 EDIT_MoveWordForward(es, shift);
4392 EDIT_MoveForward(es, shift);
4395 EDIT_MoveHome(es, shift);
4398 EDIT_MoveEnd(es, shift);
4401 if (es->style & ES_MULTILINE)
4402 EDIT_MovePageUp_ML(es, shift);
4404 EDIT_CheckCombo(es, WM_KEYDOWN, key);
4407 if (es->style & ES_MULTILINE)
4408 EDIT_MovePageDown_ML(es, shift);
4410 EDIT_CheckCombo(es, WM_KEYDOWN, key);
4413 if (!(es->style & ES_READONLY) && !(shift && control)) {
4414 if (es->selection_start != es->selection_end) {
4421 /* delete character left of caret */
4422 EDIT_EM_SetSel(es, (UINT)-1, 0, FALSE);
4423 EDIT_MoveBackward(es, TRUE);
4425 } else if (control) {
4426 /* delete to end of line */
4427 EDIT_EM_SetSel(es, (UINT)-1, 0, FALSE);
4428 EDIT_MoveEnd(es, TRUE);
4431 /* delete character right of caret */
4432 EDIT_EM_SetSel(es, (UINT)-1, 0, FALSE);
4433 EDIT_MoveForward(es, TRUE);
4441 if (!(es->style & ES_READONLY))
4447 /* If the edit doesn't want the return send a message to the default object */
4448 if(!(es->style & ES_WANTRETURN))
4450 HWND hwndParent = GetParent(es->hwndSelf);
4451 DWORD dw = SendMessageW( hwndParent, DM_GETDEFID, 0, 0 );
4452 if (HIWORD(dw) == DC_HASDEFID)
4454 SendMessageW( hwndParent, WM_COMMAND,
4455 MAKEWPARAM( LOWORD(dw), BN_CLICKED ),
4456 (LPARAM)GetDlgItem( hwndParent, LOWORD(dw) ) );
4465 /*********************************************************************
4470 static LRESULT EDIT_WM_KillFocus(EDITSTATE *es)
4472 es->flags &= ~EF_FOCUSED;
4474 if(!(es->style & ES_NOHIDESEL))
4475 EDIT_InvalidateText(es, es->selection_start, es->selection_end);
4476 EDIT_NOTIFY_PARENT(es, EN_KILLFOCUS);
4481 /*********************************************************************
4485 * The caret position has been set on the WM_LBUTTONDOWN message
4488 static LRESULT EDIT_WM_LButtonDblClk(EDITSTATE *es)
4491 INT e = es->selection_end;
4496 if (!(es->flags & EF_FOCUSED))
4499 l = EDIT_EM_LineFromChar(es, e);
4500 li = EDIT_EM_LineIndex(es, l);
4501 ll = EDIT_EM_LineLength(es, e);
4502 s = li + EDIT_CallWordBreakProc(es, li, e - li, ll, WB_LEFT);
4503 e = li + EDIT_CallWordBreakProc(es, li, e - li, ll, WB_RIGHT);
4504 EDIT_EM_SetSel(es, s, e, FALSE);
4505 EDIT_EM_ScrollCaret(es);
4510 /*********************************************************************
4515 static LRESULT EDIT_WM_LButtonDown(EDITSTATE *es, DWORD keys, INT x, INT y)
4520 SetFocus(es->hwndSelf);
4521 if (!(es->flags & EF_FOCUSED))
4524 es->bCaptureState = TRUE;
4525 SetCapture(es->hwndSelf);
4526 EDIT_ConfinePoint(es, &x, &y);
4527 e = EDIT_CharFromPos(es, x, y, &after_wrap);
4528 EDIT_EM_SetSel(es, (keys & MK_SHIFT) ? es->selection_start : e, e, after_wrap);
4529 EDIT_EM_ScrollCaret(es);
4530 es->region_posx = es->region_posy = 0;
4531 SetTimer(es->hwndSelf, 0, 100, NULL);
4536 /*********************************************************************
4541 static LRESULT EDIT_WM_LButtonUp(EDITSTATE *es)
4543 if (es->bCaptureState) {
4544 KillTimer(es->hwndSelf, 0);
4545 if (GetCapture() == es->hwndSelf) ReleaseCapture();
4547 es->bCaptureState = FALSE;
4552 /*********************************************************************
4557 static LRESULT EDIT_WM_MButtonDown(EDITSTATE *es)
4559 SendMessageW(es->hwndSelf, WM_PASTE, 0, 0);
4564 /*********************************************************************
4569 static LRESULT EDIT_WM_MouseMove(EDITSTATE *es, INT x, INT y)
4575 /* If the mouse has been captured by process other than the edit control itself,
4576 * the windows edit controls will not select the strings with mouse move.
4578 if (!es->bCaptureState || GetCapture() != es->hwndSelf)
4582 * FIXME: gotta do some scrolling if outside client
4583 * area. Maybe reset the timer ?
4586 EDIT_ConfinePoint(es, &x, &y);
4587 es->region_posx = (prex < x) ? -1 : ((prex > x) ? 1 : 0);
4588 es->region_posy = (prey < y) ? -1 : ((prey > y) ? 1 : 0);
4589 e = EDIT_CharFromPos(es, x, y, &after_wrap);
4590 EDIT_EM_SetSel(es, es->selection_start, e, after_wrap);
4591 EDIT_SetCaretPos(es,es->selection_end,es->flags & EF_AFTER_WRAP);
4596 /*********************************************************************
4600 * See also EDIT_WM_StyleChanged
4602 static LRESULT EDIT_WM_NCCreate(HWND hwnd, LPCREATESTRUCTW lpcs, BOOL unicode)
4607 TRACE("Creating %s edit control, style = %08lx\n",
4608 unicode ? "Unicode" : "ANSI", lpcs->style);
4610 if (!(es = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*es))))
4612 SetWindowLongW( hwnd, 0, (LONG)es );
4615 * Note: since the EDITSTATE has not been fully initialized yet,
4616 * we can't use any API calls that may send
4617 * WM_XXX messages before WM_NCCREATE is completed.
4620 es->is_unicode = unicode;
4621 es->style = lpcs->style;
4623 es->bEnableState = !(es->style & WS_DISABLED);
4625 es->hwndSelf = hwnd;
4626 /* Save parent, which will be notified by EN_* messages */
4627 es->hwndParent = lpcs->hwndParent;
4629 if (es->style & ES_COMBO)
4630 es->hwndListBox = GetDlgItem(es->hwndParent, ID_CB_LISTBOX);
4632 /* Number overrides lowercase overrides uppercase (at least it
4633 * does in Win95). However I'll bet that ES_NUMBER would be
4634 * invalid under Win 3.1.
4636 if (es->style & ES_NUMBER) {
4637 ; /* do not override the ES_NUMBER */
4638 } else if (es->style & ES_LOWERCASE) {
4639 es->style &= ~ES_UPPERCASE;
4641 if (es->style & ES_MULTILINE) {
4642 es->buffer_limit = BUFLIMIT_MULTI;
4643 if (es->style & WS_VSCROLL)
4644 es->style |= ES_AUTOVSCROLL;
4645 if (es->style & WS_HSCROLL)
4646 es->style |= ES_AUTOHSCROLL;
4647 es->style &= ~ES_PASSWORD;
4648 if ((es->style & ES_CENTER) || (es->style & ES_RIGHT)) {
4649 /* Confirmed - RIGHT overrides CENTER */
4650 if (es->style & ES_RIGHT)
4651 es->style &= ~ES_CENTER;
4652 es->style &= ~WS_HSCROLL;
4653 es->style &= ~ES_AUTOHSCROLL;
4656 es->buffer_limit = BUFLIMIT_SINGLE;
4657 if ((es->style & ES_RIGHT) && (es->style & ES_CENTER))
4658 es->style &= ~ES_CENTER;
4659 es->style &= ~WS_HSCROLL;
4660 es->style &= ~WS_VSCROLL;
4661 if (es->style & ES_PASSWORD)
4662 es->password_char = '*';
4665 alloc_size = ROUND_TO_GROW((es->buffer_size + 1) * sizeof(WCHAR));
4666 if(!(es->hloc32W = LocalAlloc(LMEM_MOVEABLE | LMEM_ZEROINIT, alloc_size)))
4668 es->buffer_size = LocalSize(es->hloc32W)/sizeof(WCHAR) - 1;
4670 if (!(es->undo_text = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, (es->buffer_size + 1) * sizeof(WCHAR))))
4672 es->undo_buffer_size = es->buffer_size;
4674 if (es->style & ES_MULTILINE)
4675 if (!(es->first_line_def = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(LINEDEF))))
4680 * In Win95 look and feel, the WS_BORDER style is replaced by the
4681 * WS_EX_CLIENTEDGE style for the edit control. This gives the edit
4682 * control a nonclient area so we don't need to draw the border.
4683 * If WS_BORDER without WS_EX_CLIENTEDGE is specified we shouldn't have
4684 * a nonclient area and we should handle painting the border ourselves.
4686 * When making modifications please ensure that the code still works
4687 * for edit controls created directly with style 0x50800000, exStyle 0
4688 * (which should have a single pixel border)
4690 if (lpcs->dwExStyle & WS_EX_CLIENTEDGE)
4691 es->style &= ~WS_BORDER;
4692 else if (es->style & WS_BORDER)
4693 SetWindowLongW(hwnd, GWL_STYLE, es->style & ~WS_BORDER);
4698 /*********************************************************************
4703 static void EDIT_WM_Paint(EDITSTATE *es, HDC hdc)
4715 BOOL rev = es->bEnableState &&
4716 ((es->flags & EF_FOCUSED) ||
4717 (es->style & ES_NOHIDESEL));
4718 dc = hdc ? hdc : BeginPaint(es->hwndSelf, &ps);
4720 GetClientRect(es->hwndSelf, &rcClient);
4722 /* get the background brush */
4723 if (!(brush = EDIT_NotifyCtlColor(es, dc)))
4724 brush = (HBRUSH)GetStockObject(WHITE_BRUSH);
4726 /* paint the border and the background */
4727 IntersectClipRect(dc, rcClient.left, rcClient.top, rcClient.right, rcClient.bottom);
4728 if(es->style & WS_BORDER) {
4730 if(es->style & ES_MULTILINE) {
4731 if(es->style & WS_HSCROLL) rc.bottom++;
4732 if(es->style & WS_VSCROLL) rc.right++;
4734 old_brush = SelectObject(dc, brush);
4735 Rectangle(dc, rc.left, rc.top, rc.right, rc.bottom);
4736 SelectObject(dc, old_brush);
4739 GetClipBox(dc, &rc);
4740 FillRect(dc, &rc, brush);
4742 IntersectClipRect(dc, es->format_rect.left,
4743 es->format_rect.top,
4744 es->format_rect.right,
4745 es->format_rect.bottom);
4746 if (es->style & ES_MULTILINE) {
4748 IntersectClipRect(dc, rc.left, rc.top, rc.right, rc.bottom);
4751 old_font = SelectObject(dc, es->font);
4752 EDIT_NotifyCtlColor(es, dc);
4754 if (!es->bEnableState)
4755 SetTextColor(dc, GetSysColor(COLOR_GRAYTEXT));
4756 GetClipBox(dc, &rcRgn);
4757 if (es->style & ES_MULTILINE) {
4758 INT vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
4759 for (i = es->y_offset ; i <= min(es->y_offset + vlc, es->y_offset + es->line_count - 1) ; i++) {
4760 EDIT_GetLineRect(es, i, 0, -1, &rcLine);
4761 if (IntersectRect(&rc, &rcRgn, &rcLine))
4762 EDIT_PaintLine(es, dc, i, rev);
4765 EDIT_GetLineRect(es, 0, 0, -1, &rcLine);
4766 if (IntersectRect(&rc, &rcRgn, &rcLine))
4767 EDIT_PaintLine(es, dc, 0, rev);
4770 SelectObject(dc, old_font);
4773 EndPaint(es->hwndSelf, &ps);
4777 /*********************************************************************
4782 static void EDIT_WM_Paste(EDITSTATE *es)
4787 /* Protect read-only edit control from modification */
4788 if(es->style & ES_READONLY)
4791 OpenClipboard(es->hwndSelf);
4792 if ((hsrc = GetClipboardData(CF_UNICODETEXT))) {
4793 src = (LPWSTR)GlobalLock(hsrc);
4794 EDIT_EM_ReplaceSel(es, TRUE, src, TRUE, TRUE);
4801 /*********************************************************************
4806 static void EDIT_WM_SetFocus(EDITSTATE *es)
4808 es->flags |= EF_FOCUSED;
4809 CreateCaret(es->hwndSelf, 0, 2, es->line_height);
4810 EDIT_SetCaretPos(es, es->selection_end,
4811 es->flags & EF_AFTER_WRAP);
4812 if(!(es->style & ES_NOHIDESEL))
4813 EDIT_InvalidateText(es, es->selection_start, es->selection_end);
4814 ShowCaret(es->hwndSelf);
4815 EDIT_NOTIFY_PARENT(es, EN_SETFOCUS);
4819 /*********************************************************************
4823 * With Win95 look the margins are set to default font value unless
4824 * the system font (font == 0) is being set, in which case they are left
4828 static void EDIT_WM_SetFont(EDITSTATE *es, HFONT font, BOOL redraw)
4836 dc = GetDC(es->hwndSelf);
4838 old_font = SelectObject(dc, font);
4839 GetTextMetricsW(dc, &tm);
4840 es->line_height = tm.tmHeight;
4841 es->char_width = tm.tmAveCharWidth;
4843 SelectObject(dc, old_font);
4844 ReleaseDC(es->hwndSelf, dc);
4846 /* Reset the format rect and the margins */
4847 GetClientRect(es->hwndSelf, &clientRect);
4848 EDIT_SetRectNP(es, &clientRect);
4849 EDIT_EM_SetMargins(es, EC_LEFTMARGIN | EC_RIGHTMARGIN,
4850 EC_USEFONTINFO, EC_USEFONTINFO, FALSE);
4852 if (es->style & ES_MULTILINE)
4853 EDIT_BuildLineDefs_ML(es, 0, strlenW(es->text), 0, NULL);
4855 EDIT_CalcLineWidth_SL(es);
4858 EDIT_UpdateText(es, NULL, TRUE);
4859 if (es->flags & EF_FOCUSED) {
4861 CreateCaret(es->hwndSelf, 0, 2, es->line_height);
4862 EDIT_SetCaretPos(es, es->selection_end,
4863 es->flags & EF_AFTER_WRAP);
4864 ShowCaret(es->hwndSelf);
4869 /*********************************************************************
4874 * For multiline controls (ES_MULTILINE), reception of WM_SETTEXT triggers:
4875 * The modified flag is reset. No notifications are sent.
4877 * For single-line controls, reception of WM_SETTEXT triggers:
4878 * The modified flag is reset. EN_UPDATE and EN_CHANGE notifications are sent.
4881 static void EDIT_WM_SetText(EDITSTATE *es, LPCWSTR text, BOOL unicode)
4883 if (!unicode && text)
4885 LPCSTR textA = (LPCSTR)text;
4886 INT countW = MultiByteToWideChar(CP_ACP, 0, textA, -1, NULL, 0);
4887 LPWSTR textW = HeapAlloc(GetProcessHeap(), 0, countW * sizeof(WCHAR));
4889 MultiByteToWideChar(CP_ACP, 0, textA, -1, textW, countW);
4893 if (es->flags & EF_UPDATE)
4894 /* fixed this bug once; complain if we see it about to happen again. */
4895 ERR("SetSel may generate UPDATE message whose handler may reset "
4898 EDIT_EM_SetSel(es, 0, (UINT)-1, FALSE);
4901 TRACE("%s\n", debugstr_w(text));
4902 EDIT_EM_ReplaceSel(es, FALSE, text, FALSE, FALSE);
4904 HeapFree(GetProcessHeap(), 0, (LPWSTR)text);
4908 static const WCHAR empty_stringW[] = {0};
4910 EDIT_EM_ReplaceSel(es, FALSE, empty_stringW, FALSE, FALSE);
4913 es->flags &= ~EF_MODIFIED;
4914 EDIT_EM_SetSel(es, 0, 0, FALSE);
4916 /* Send the notification after the selection start and end have been set
4917 * edit control doesn't send notification on WM_SETTEXT
4918 * if it is multiline, or it is part of combobox
4920 if( !((es->style & ES_MULTILINE) || es->hwndListBox))
4922 EDIT_NOTIFY_PARENT(es, EN_UPDATE);
4923 EDIT_NOTIFY_PARENT(es, EN_CHANGE);
4925 EDIT_EM_ScrollCaret(es);
4926 EDIT_UpdateScrollInfo(es);
4930 /*********************************************************************
4935 static void EDIT_WM_Size(EDITSTATE *es, UINT action, INT width, INT height)
4937 if ((action == SIZE_MAXIMIZED) || (action == SIZE_RESTORED)) {
4939 TRACE("width = %d, height = %d\n", width, height);
4940 SetRect(&rc, 0, 0, width, height);
4941 EDIT_SetRectNP(es, &rc);
4942 EDIT_UpdateText(es, NULL, TRUE);
4947 /*********************************************************************
4951 * This message is sent by SetWindowLong on having changed either the Style
4952 * or the extended style.
4954 * We ensure that the window's version of the styles and the EDITSTATE's agree.
4956 * See also EDIT_WM_NCCreate
4958 * It appears that the Windows version of the edit control allows the style
4959 * (as retrieved by GetWindowLong) to be any value and maintains an internal
4960 * style variable which will generally be different. In this function we
4961 * update the internal style based on what changed in the externally visible
4964 * Much of this content as based upon the MSDN, especially:
4965 * Platform SDK Documentation -> User Interface Services ->
4966 * Windows User Interface -> Edit Controls -> Edit Control Reference ->
4967 * Edit Control Styles
4969 static LRESULT EDIT_WM_StyleChanged ( EDITSTATE *es, WPARAM which, const STYLESTRUCT *style)
4971 if (GWL_STYLE == which) {
4972 DWORD style_change_mask;
4974 /* Only a subset of changes can be applied after the control
4977 style_change_mask = ES_UPPERCASE | ES_LOWERCASE |
4979 if (es->style & ES_MULTILINE)
4980 style_change_mask |= ES_WANTRETURN;
4982 new_style = style->styleNew & style_change_mask;
4984 /* Number overrides lowercase overrides uppercase (at least it
4985 * does in Win95). However I'll bet that ES_NUMBER would be
4986 * invalid under Win 3.1.
4988 if (new_style & ES_NUMBER) {
4989 ; /* do not override the ES_NUMBER */
4990 } else if (new_style & ES_LOWERCASE) {
4991 new_style &= ~ES_UPPERCASE;
4994 es->style = (es->style & ~style_change_mask) | new_style;
4995 } else if (GWL_EXSTYLE == which) {
4996 ; /* FIXME - what is needed here */
4998 WARN ("Invalid style change %d\n",which);
5004 /*********************************************************************
5009 static LRESULT EDIT_WM_SysKeyDown(EDITSTATE *es, INT key, DWORD key_data)
5011 if ((key == VK_BACK) && (key_data & 0x2000)) {
5012 if (EDIT_EM_CanUndo(es))
5015 } else if (key == VK_UP || key == VK_DOWN) {
5016 if (EDIT_CheckCombo(es, WM_SYSKEYDOWN, key))
5019 return DefWindowProcW(es->hwndSelf, WM_SYSKEYDOWN, (WPARAM)key, (LPARAM)key_data);
5023 /*********************************************************************
5028 static void EDIT_WM_Timer(EDITSTATE *es)
5030 if (es->region_posx < 0) {
5031 EDIT_MoveBackward(es, TRUE);
5032 } else if (es->region_posx > 0) {
5033 EDIT_MoveForward(es, TRUE);
5036 * FIXME: gotta do some vertical scrolling here, like
5037 * EDIT_EM_LineScroll(hwnd, 0, 1);
5041 /*********************************************************************
5046 static LRESULT EDIT_WM_VScroll(EDITSTATE *es, INT action, INT pos)
5050 if (!(es->style & ES_MULTILINE))
5053 if (!(es->style & ES_AUTOVSCROLL))
5062 TRACE("action %d (%s)\n", action, (action == SB_LINEUP ? "SB_LINEUP" :
5063 (action == SB_LINEDOWN ? "SB_LINEDOWN" :
5064 (action == SB_PAGEUP ? "SB_PAGEUP" :
5066 EDIT_EM_Scroll(es, action);
5073 TRACE("SB_BOTTOM\n");
5074 dy = es->line_count - 1 - es->y_offset;
5077 TRACE("SB_THUMBTRACK %d\n", pos);
5078 es->flags |= EF_VSCROLL_TRACK;
5079 if(es->style & WS_VSCROLL)
5080 dy = pos - es->y_offset;
5083 /* Assume default scroll range 0-100 */
5086 if(pos < 0 || pos > 100) return 0;
5087 vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
5088 new_y = pos * (es->line_count - vlc) / 100;
5089 dy = es->line_count ? (new_y - es->y_offset) : 0;
5090 TRACE("line_count=%d, y_offset=%d, pos=%d, dy = %d\n",
5091 es->line_count, es->y_offset, pos, dy);
5094 case SB_THUMBPOSITION:
5095 TRACE("SB_THUMBPOSITION %d\n", pos);
5096 es->flags &= ~EF_VSCROLL_TRACK;
5097 if(es->style & WS_VSCROLL)
5098 dy = pos - es->y_offset;
5101 /* Assume default scroll range 0-100 */
5104 if(pos < 0 || pos > 100) return 0;
5105 vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
5106 new_y = pos * (es->line_count - vlc) / 100;
5107 dy = es->line_count ? (new_y - es->y_offset) : 0;
5108 TRACE("line_count=%d, y_offset=%d, pos=%d, dy = %d\n",
5109 es->line_count, es->y_offset, pos, dy);
5113 /* force scroll info update */
5114 EDIT_UpdateScrollInfo(es);
5115 EDIT_NOTIFY_PARENT(es, EN_VSCROLL);
5119 TRACE("SB_ENDSCROLL\n");
5122 * FIXME : the next two are undocumented !
5123 * Are we doing the right thing ?
5124 * At least Win 3.1 Notepad makes use of EM_GETTHUMB this way,
5125 * although it's also a regular control message.
5127 case EM_GETTHUMB: /* this one is used by NT notepad */
5131 if(GetWindowLongW( es->hwndSelf, GWL_STYLE ) & WS_VSCROLL)
5132 ret = GetScrollPos(es->hwndSelf, SB_VERT);
5135 /* Assume default scroll range 0-100 */
5136 INT vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
5137 ret = es->line_count ? es->y_offset * 100 / (es->line_count - vlc) : 0;
5139 TRACE("EM_GETTHUMB: returning %ld\n", ret);
5142 case EM_LINESCROLL16:
5143 TRACE("EM_LINESCROLL16 %d\n", pos);
5148 ERR("undocumented WM_VSCROLL action %d (0x%04x), please report\n",
5153 EDIT_EM_LineScroll(es, 0, dy);
5157 /*********************************************************************
5162 static void EDIT_UpdateTextRegion(EDITSTATE *es, HRGN hrgn, BOOL bErase)
5164 if (es->flags & EF_UPDATE) {
5165 es->flags &= ~EF_UPDATE;
5166 EDIT_NOTIFY_PARENT(es, EN_UPDATE);
5168 InvalidateRgn(es->hwndSelf, hrgn, bErase);
5172 /*********************************************************************
5177 static void EDIT_UpdateText(EDITSTATE *es, LPRECT rc, BOOL bErase)
5179 if (es->flags & EF_UPDATE) {
5180 es->flags &= ~EF_UPDATE;
5181 EDIT_NOTIFY_PARENT(es, EN_UPDATE);
5183 InvalidateRect(es->hwndSelf, rc, bErase);