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 * please read EDIT.TODO (and update it when you change things)
36 #include "wine/winbase16.h"
37 #include "wine/winuser16.h"
38 #include "wine/unicode.h"
42 #include "wine/debug.h"
44 WINE_DEFAULT_DEBUG_CHANNEL(edit
);
45 WINE_DECLARE_DEBUG_CHANNEL(combo
);
46 WINE_DECLARE_DEBUG_CHANNEL(relay
);
48 #define BUFLIMIT_MULTI 65534 /* maximum buffer size (not including '\0')
49 FIXME: BTW, new specs say 65535 (do you dare ???) */
50 #define BUFLIMIT_SINGLE 32766 /* maximum buffer size (not including '\0') */
51 #define GROWLENGTH 32 /* buffers granularity in bytes: must be power of 2 */
52 #define ROUND_TO_GROW(size) (((size) + (GROWLENGTH - 1)) & ~(GROWLENGTH - 1))
53 #define HSCROLL_FRACTION 3 /* scroll window by 1/3 width */
56 * extra flags for EDITSTATE.flags field
58 #define EF_MODIFIED 0x0001 /* text has been modified */
59 #define EF_FOCUSED 0x0002 /* we have input focus */
60 #define EF_UPDATE 0x0004 /* notify parent of changed state */
61 #define EF_VSCROLL_TRACK 0x0008 /* don't SetScrollPos() since we are tracking the thumb */
62 #define EF_HSCROLL_TRACK 0x0010 /* don't SetScrollPos() since we are tracking the thumb */
63 #define EF_AFTER_WRAP 0x0080 /* the caret is displayed after the last character of a
64 wrapped line, instead of in front of the next character */
65 #define EF_USE_SOFTBRK 0x0100 /* Enable soft breaks in text. */
69 END_0
= 0, /* line ends with terminating '\0' character */
70 END_WRAP
, /* line is wrapped */
71 END_HARD
, /* line ends with a hard return '\r\n' */
72 END_SOFT
, /* line ends with a soft return '\r\r\n' */
73 END_RICH
/* line ends with a single '\n' */
76 typedef struct tagLINEDEF
{
77 INT length
; /* bruto length of a line in bytes */
78 INT net_length
; /* netto length of a line in visible characters */
80 INT width
; /* width of the line in pixels */
81 INT index
; /* line index into the buffer */
82 struct tagLINEDEF
*next
;
87 BOOL is_unicode
; /* how the control was created */
88 LPWSTR text
; /* the actual contents of the control */
89 UINT buffer_size
; /* the size of the buffer in characters */
90 UINT buffer_limit
; /* the maximum size to which the buffer may grow in characters */
91 HFONT font
; /* NULL means standard system font */
92 INT x_offset
; /* scroll offset for multi lines this is in pixels
93 for single lines it's in characters */
94 INT line_height
; /* height of a screen line in pixels */
95 INT char_width
; /* average character width in pixels */
96 DWORD style
; /* sane version of wnd->dwStyle */
97 WORD flags
; /* flags that are not in es->style or wnd->flags (EF_XXX) */
98 INT undo_insert_count
; /* number of characters inserted in sequence */
99 UINT undo_position
; /* character index of the insertion and deletion */
100 LPWSTR undo_text
; /* deleted text */
101 UINT undo_buffer_size
; /* size of the deleted text buffer */
102 INT selection_start
; /* == selection_end if no selection */
103 INT selection_end
; /* == current caret position */
104 WCHAR password_char
; /* == 0 if no password char, and for multi line controls */
105 INT left_margin
; /* in pixels */
106 INT right_margin
; /* in pixels */
108 INT text_width
; /* width of the widest line in pixels for multi line controls
109 and just line width for single line controls */
110 INT region_posx
; /* Position of cursor relative to region: */
111 INT region_posy
; /* -1: to left, 0: within, 1: to right */
112 EDITWORDBREAKPROC16 word_break_proc16
;
113 void *word_break_proc
; /* 32-bit word break proc: ANSI or Unicode */
114 INT line_count
; /* number of lines */
115 INT y_offset
; /* scroll offset in number of lines */
116 BOOL bCaptureState
; /* flag indicating whether mouse was captured */
117 BOOL bEnableState
; /* flag keeping the enable state */
118 HWND hwndParent
; /* Handle of parent for sending EN_* messages.
119 Even if parent will change, EN_* messages
120 should be sent to the first parent. */
121 HWND hwndListBox
; /* handle of ComboBox's listbox or NULL */
123 * only for multi line controls
125 INT lock_count
; /* amount of re-entries in the EditWndProc */
128 LINEDEF
*first_line_def
; /* linked list of (soft) linebreaks */
129 HLOCAL hloc32W
; /* our unicode local memory block */
130 HLOCAL16 hloc16
; /* alias for 16-bit control receiving EM_GETHANDLE16
132 HLOCAL hloc32A
; /* alias for ANSI control receiving EM_GETHANDLE
137 #define SWAP_INT32(x,y) do { INT temp = (INT)(x); (x) = (INT)(y); (y) = temp; } while(0)
138 #define ORDER_INT(x,y) do { if ((INT)(y) < (INT)(x)) SWAP_INT32((x),(y)); } while(0)
140 #define SWAP_UINT32(x,y) do { UINT temp = (UINT)(x); (x) = (UINT)(y); (y) = temp; } while(0)
141 #define ORDER_UINT(x,y) do { if ((UINT)(y) < (UINT)(x)) SWAP_UINT32((x),(y)); } while(0)
143 #define DPRINTF_EDIT_NOTIFY(hwnd, str) \
144 do {TRACE("notification " str " sent to hwnd=%08x\n", \
145 (UINT)(hwnd));} while(0)
147 /* used for disabled or read-only edit control */
148 #define EDIT_SEND_CTLCOLORSTATIC(hwnd,hdc) \
149 (SendMessageW(GetParent(hwnd), WM_CTLCOLORSTATIC, \
150 (WPARAM)(hdc), (LPARAM)(hwnd)))
151 #define EDIT_SEND_CTLCOLOR(hwnd,hdc) \
152 (SendMessageW(GetParent(hwnd), WM_CTLCOLOREDIT, \
153 (WPARAM)(hdc), (LPARAM)(hwnd)))
154 #define EDIT_NOTIFY_PARENT(hwnd, es, wNotifyCode, str) \
156 { /* Notify parent which has created this edit control */ \
157 DPRINTF_EDIT_NOTIFY((es)->hwndParent, str); \
158 SendMessageW((es)->hwndParent, WM_COMMAND, \
159 MAKEWPARAM(GetWindowLongA((hwnd),GWL_ID), wNotifyCode), \
162 #define DPRINTF_EDIT_MSG16(str) \
164 "16 bit : " str ": hwnd=%08x, wParam=%08x, lParam=%08x\n", \
165 hwnd, (UINT)wParam, (UINT)lParam)
166 #define DPRINTF_EDIT_MSG32(str) \
168 "32 bit %c : " str ": hwnd=%08x, wParam=%08x, lParam=%08x\n", \
169 unicode ? 'W' : 'A', \
170 hwnd, (UINT)wParam, (UINT)lParam)
172 /*********************************************************************
179 * These functions have trivial implementations
180 * We still like to call them internally
181 * "static inline" makes them more like macro's
183 static inline BOOL
EDIT_EM_CanUndo(EDITSTATE
*es
);
184 static inline void EDIT_EM_EmptyUndoBuffer(EDITSTATE
*es
);
185 static inline void EDIT_WM_Clear(HWND hwnd
, EDITSTATE
*es
);
186 static inline void EDIT_WM_Cut(HWND hwnd
, EDITSTATE
*es
);
189 * Helper functions only valid for one type of control
191 static void EDIT_BuildLineDefs_ML(HWND hwnd
, EDITSTATE
*es
, INT iStart
, INT iEnd
, INT delta
, HRGN hrgn
);
192 static void EDIT_CalcLineWidth_SL(HWND hwnd
, EDITSTATE
*es
);
193 static LPWSTR
EDIT_GetPasswordPointer_SL(EDITSTATE
*es
);
194 static void EDIT_MoveDown_ML(HWND hwnd
, EDITSTATE
*es
, BOOL extend
);
195 static void EDIT_MovePageDown_ML(HWND hwnd
, EDITSTATE
*es
, BOOL extend
);
196 static void EDIT_MovePageUp_ML(HWND hwnd
, EDITSTATE
*es
, BOOL extend
);
197 static void EDIT_MoveUp_ML(HWND hwnd
, EDITSTATE
*es
, BOOL extend
);
199 * Helper functions valid for both single line _and_ multi line controls
201 static INT
EDIT_CallWordBreakProc(EDITSTATE
*es
, INT start
, INT index
, INT count
, INT action
);
202 static INT
EDIT_CharFromPos(HWND hwnd
, EDITSTATE
*es
, INT x
, INT y
, LPBOOL after_wrap
);
203 static void EDIT_ConfinePoint(EDITSTATE
*es
, LPINT x
, LPINT y
);
204 static void EDIT_GetLineRect(HWND hwnd
, EDITSTATE
*es
, INT line
, INT scol
, INT ecol
, LPRECT rc
);
205 static void EDIT_InvalidateText(HWND hwnd
, EDITSTATE
*es
, INT start
, INT end
);
206 static void EDIT_LockBuffer(HWND hwnd
, EDITSTATE
*es
);
207 static BOOL
EDIT_MakeFit(HWND hwnd
, EDITSTATE
*es
, UINT size
);
208 static BOOL
EDIT_MakeUndoFit(EDITSTATE
*es
, UINT size
);
209 static void EDIT_MoveBackward(HWND hwnd
, EDITSTATE
*es
, BOOL extend
);
210 static void EDIT_MoveEnd(HWND hwnd
, EDITSTATE
*es
, BOOL extend
);
211 static void EDIT_MoveForward(HWND hwnd
, EDITSTATE
*es
, BOOL extend
);
212 static void EDIT_MoveHome(HWND hwnd
, EDITSTATE
*es
, BOOL extend
);
213 static void EDIT_MoveWordBackward(HWND hwnd
, EDITSTATE
*es
, BOOL extend
);
214 static void EDIT_MoveWordForward(HWND hwnd
, EDITSTATE
*es
, BOOL extend
);
215 static void EDIT_PaintLine(HWND hwnd
, EDITSTATE
*es
, HDC hdc
, INT line
, BOOL rev
);
216 static INT
EDIT_PaintText(EDITSTATE
*es
, HDC hdc
, INT x
, INT y
, INT line
, INT col
, INT count
, BOOL rev
);
217 static void EDIT_SetCaretPos(HWND hwnd
, EDITSTATE
*es
, INT pos
, BOOL after_wrap
);
218 static void EDIT_SetRectNP(HWND hwnd
, EDITSTATE
*es
, LPRECT lprc
);
219 static void EDIT_UnlockBuffer(HWND hwnd
, EDITSTATE
*es
, BOOL force
);
220 static void EDIT_UpdateScrollInfo(HWND hwnd
, EDITSTATE
*es
);
221 static INT CALLBACK
EDIT_WordBreakProc(LPWSTR s
, INT index
, INT count
, INT action
);
223 * EM_XXX message handlers
225 static LRESULT
EDIT_EM_CharFromPos(HWND hwnd
, EDITSTATE
*es
, INT x
, INT y
);
226 static BOOL
EDIT_EM_FmtLines(EDITSTATE
*es
, BOOL add_eol
);
227 static HLOCAL
EDIT_EM_GetHandle(EDITSTATE
*es
);
228 static HLOCAL16
EDIT_EM_GetHandle16(HWND hwnd
, EDITSTATE
*es
);
229 static INT
EDIT_EM_GetLine(EDITSTATE
*es
, INT line
, LPARAM lParam
, BOOL unicode
);
230 static LRESULT
EDIT_EM_GetSel(EDITSTATE
*es
, LPUINT start
, LPUINT end
);
231 static LRESULT
EDIT_EM_GetThumb(HWND hwnd
, EDITSTATE
*es
);
232 static INT
EDIT_EM_LineFromChar(EDITSTATE
*es
, INT index
);
233 static INT
EDIT_EM_LineIndex(EDITSTATE
*es
, INT line
);
234 static INT
EDIT_EM_LineLength(EDITSTATE
*es
, INT index
);
235 static BOOL
EDIT_EM_LineScroll(HWND hwnd
, EDITSTATE
*es
, INT dx
, INT dy
);
236 static BOOL
EDIT_EM_LineScroll_internal(HWND hwnd
, EDITSTATE
*es
, INT dx
, INT dy
);
237 static LRESULT
EDIT_EM_PosFromChar(HWND hwnd
, EDITSTATE
*es
, INT index
, BOOL after_wrap
);
238 static void EDIT_EM_ReplaceSel(HWND hwnd
, EDITSTATE
*es
, BOOL can_undo
, LPCWSTR lpsz_replace
, BOOL send_update
);
239 static LRESULT
EDIT_EM_Scroll(HWND hwnd
, EDITSTATE
*es
, INT action
);
240 static void EDIT_EM_ScrollCaret(HWND hwnd
, EDITSTATE
*es
);
241 static void EDIT_EM_SetHandle(HWND hwnd
, EDITSTATE
*es
, HLOCAL hloc
);
242 static void EDIT_EM_SetHandle16(HWND hwnd
, EDITSTATE
*es
, HLOCAL16 hloc
);
243 static void EDIT_EM_SetLimitText(EDITSTATE
*es
, INT limit
);
244 static void EDIT_EM_SetMargins(EDITSTATE
*es
, INT action
, INT left
, INT right
);
245 static void EDIT_EM_SetPasswordChar(HWND hwnd
, EDITSTATE
*es
, WCHAR c
);
246 static void EDIT_EM_SetSel(HWND hwnd
, EDITSTATE
*es
, UINT start
, UINT end
, BOOL after_wrap
);
247 static BOOL
EDIT_EM_SetTabStops(EDITSTATE
*es
, INT count
, LPINT tabs
);
248 static BOOL
EDIT_EM_SetTabStops16(EDITSTATE
*es
, INT count
, LPINT16 tabs
);
249 static void EDIT_EM_SetWordBreakProc(HWND hwnd
, EDITSTATE
*es
, LPARAM lParam
);
250 static void EDIT_EM_SetWordBreakProc16(HWND hwnd
, EDITSTATE
*es
, EDITWORDBREAKPROC16 wbp
);
251 static BOOL
EDIT_EM_Undo(HWND hwnd
, EDITSTATE
*es
);
253 * WM_XXX message handlers
255 static void EDIT_WM_Char(HWND hwnd
, EDITSTATE
*es
, WCHAR c
);
256 static void EDIT_WM_Command(HWND hwnd
, EDITSTATE
*es
, INT code
, INT id
, HWND conrtol
);
257 static void EDIT_WM_ContextMenu(HWND hwnd
, EDITSTATE
*es
, INT x
, INT y
);
258 static void EDIT_WM_Copy(HWND hwnd
, EDITSTATE
*es
);
259 static LRESULT
EDIT_WM_Create(HWND hwnd
, EDITSTATE
*es
, LPCWSTR name
);
260 static void EDIT_WM_Destroy(HWND hwnd
, EDITSTATE
*es
);
261 static LRESULT
EDIT_WM_EraseBkGnd(HWND hwnd
, EDITSTATE
*es
, HDC dc
);
262 static INT
EDIT_WM_GetText(EDITSTATE
*es
, INT count
, LPARAM lParam
, BOOL unicode
);
263 static LRESULT
EDIT_WM_HScroll(HWND hwnd
, EDITSTATE
*es
, INT action
, INT pos
);
264 static LRESULT
EDIT_WM_KeyDown(HWND hwnd
, EDITSTATE
*es
, INT key
);
265 static LRESULT
EDIT_WM_KillFocus(HWND hwnd
, EDITSTATE
*es
);
266 static LRESULT
EDIT_WM_LButtonDblClk(HWND hwnd
, EDITSTATE
*es
);
267 static LRESULT
EDIT_WM_LButtonDown(HWND hwnd
, EDITSTATE
*es
, DWORD keys
, INT x
, INT y
);
268 static LRESULT
EDIT_WM_LButtonUp(HWND hwndSelf
, EDITSTATE
*es
);
269 static LRESULT
EDIT_WM_MButtonDown(HWND hwnd
);
270 static LRESULT
EDIT_WM_MouseMove(HWND hwnd
, EDITSTATE
*es
, INT x
, INT y
);
271 static LRESULT
EDIT_WM_NCCreate(HWND hwnd
, DWORD style
, HWND hwndParent
, BOOL unicode
);
272 static void EDIT_WM_Paint(HWND hwnd
, EDITSTATE
*es
, WPARAM wParam
);
273 static void EDIT_WM_Paste(HWND hwnd
, EDITSTATE
*es
);
274 static void EDIT_WM_SetFocus(HWND hwnd
, EDITSTATE
*es
);
275 static void EDIT_WM_SetFont(HWND hwnd
, EDITSTATE
*es
, HFONT font
, BOOL redraw
);
276 static void EDIT_WM_SetText(HWND hwnd
, EDITSTATE
*es
, LPARAM lParam
, BOOL unicode
);
277 static void EDIT_WM_Size(HWND hwnd
, EDITSTATE
*es
, UINT action
, INT width
, INT height
);
278 static LRESULT
EDIT_WM_StyleChanged (HWND hwnd
, EDITSTATE
*es
, WPARAM which
, const STYLESTRUCT
*style
);
279 static LRESULT
EDIT_WM_SysKeyDown(HWND hwnd
, EDITSTATE
*es
, INT key
, DWORD key_data
);
280 static void EDIT_WM_Timer(HWND hwnd
, EDITSTATE
*es
);
281 static LRESULT
EDIT_WM_VScroll(HWND hwnd
, EDITSTATE
*es
, INT action
, INT pos
);
282 static void EDIT_UpdateText(HWND hwnd
, EDITSTATE
*es
, LPRECT rc
, BOOL bErase
);
283 static void EDIT_UpdateTextRegion(HWND hwnd
, EDITSTATE
*es
, HRGN hrgn
, BOOL bErase
);
285 LRESULT WINAPI
EditWndProcA(HWND hWnd
, UINT uMsg
, WPARAM wParam
, LPARAM lParam
);
286 LRESULT WINAPI
EditWndProcW(HWND hWnd
, UINT uMsg
, WPARAM wParam
, LPARAM lParam
);
288 /*********************************************************************
289 * edit class descriptor
291 const struct builtin_class_descr EDIT_builtin_class
=
294 CS_GLOBALCLASS
| CS_DBLCLKS
| CS_PARENTDC
, /* style */
295 EditWndProcA
, /* procA */
296 EditWndProcW
, /* procW */
297 sizeof(EDITSTATE
*), /* extra */
298 IDC_IBEAMA
, /* cursor */
303 /*********************************************************************
308 static inline BOOL
EDIT_EM_CanUndo(EDITSTATE
*es
)
310 return (es
->undo_insert_count
|| strlenW(es
->undo_text
));
314 /*********************************************************************
319 static inline void EDIT_EM_EmptyUndoBuffer(EDITSTATE
*es
)
321 es
->undo_insert_count
= 0;
322 *es
->undo_text
= '\0';
326 /*********************************************************************
331 static inline void EDIT_WM_Clear(HWND hwnd
, EDITSTATE
*es
)
333 static const WCHAR empty_stringW
[] = {0};
335 /* Protect read-only edit control from modification */
336 if(es
->style
& ES_READONLY
)
339 EDIT_EM_ReplaceSel(hwnd
, es
, TRUE
, empty_stringW
, TRUE
);
343 /*********************************************************************
348 static inline void EDIT_WM_Cut(HWND hwnd
, EDITSTATE
*es
)
350 EDIT_WM_Copy(hwnd
, es
);
351 EDIT_WM_Clear(hwnd
, es
);
355 /**********************************************************************
358 * Returns the window version in case Wine emulates a later version
359 * of windows then the application expects.
361 * In a number of cases when windows runs an application that was
362 * designed for an earlier windows version, windows reverts
363 * to "old" behaviour of that earlier version.
365 * An example is a disabled edit control that needs to be painted.
366 * Old style behaviour is to send a WM_CTLCOLOREDIT message. This was
367 * changed in Win95, NT4.0 by a WM_CTLCOLORSTATIC message _only_ for
368 * applications with an expected version 0f 4.0 or higher.
371 static DWORD
get_app_version(void)
373 static DWORD version
;
376 DWORD dwEmulatedVersion
;
378 DWORD dwProcVersion
= GetProcessVersion(0);
380 info
.dwOSVersionInfoSize
= sizeof(OSVERSIONINFOW
);
381 GetVersionExW( &info
);
382 dwEmulatedVersion
= MAKELONG( info
.dwMinorVersion
, info
.dwMajorVersion
);
383 /* FIXME: this may not be 100% correct; see discussion on the
384 * wine developer list in Nov 1999 */
385 version
= dwProcVersion
< dwEmulatedVersion
? dwProcVersion
: dwEmulatedVersion
;
391 /*********************************************************************
395 * The messages are in the order of the actual integer values
396 * (which can be found in include/windows.h)
397 * Wherever possible the 16 bit versions are converted to
398 * the 32 bit ones, so that we can 'fall through' to the
399 * helper functions. These are mostly 32 bit (with a few
400 * exceptions, clearly indicated by a '16' extension to their
404 static LRESULT WINAPI
EditWndProc_common( HWND hwnd
, UINT msg
,
405 WPARAM wParam
, LPARAM lParam
, BOOL unicode
)
407 EDITSTATE
*es
= (EDITSTATE
*)GetWindowLongA( hwnd
, 0 );
412 DPRINTF_EDIT_MSG32("WM_DESTROY");
413 if (es
) EDIT_WM_Destroy(hwnd
, es
);
418 DPRINTF_EDIT_MSG32("WM_NCCREATE");
421 LPCREATESTRUCTW cs
= (LPCREATESTRUCTW
)lParam
;
422 result
= EDIT_WM_NCCreate(hwnd
, cs
->style
, cs
->hwndParent
, TRUE
);
426 LPCREATESTRUCTA cs
= (LPCREATESTRUCTA
)lParam
;
427 result
= EDIT_WM_NCCreate(hwnd
, cs
->style
, cs
->hwndParent
, FALSE
);
435 result
= DefWindowProcW(hwnd
, msg
, wParam
, lParam
);
437 result
= DefWindowProcA(hwnd
, msg
, wParam
, lParam
);
442 EDIT_LockBuffer(hwnd
, es
);
445 DPRINTF_EDIT_MSG16("EM_GETSEL");
450 DPRINTF_EDIT_MSG32("EM_GETSEL");
451 result
= EDIT_EM_GetSel(es
, (LPUINT
)wParam
, (LPUINT
)lParam
);
455 DPRINTF_EDIT_MSG16("EM_SETSEL");
456 if (SLOWORD(lParam
) == -1)
457 EDIT_EM_SetSel(hwnd
, es
, (UINT
)-1, 0, FALSE
);
459 EDIT_EM_SetSel(hwnd
, es
, LOWORD(lParam
), HIWORD(lParam
), FALSE
);
461 EDIT_EM_ScrollCaret(hwnd
, es
);
465 DPRINTF_EDIT_MSG32("EM_SETSEL");
466 EDIT_EM_SetSel(hwnd
, es
, wParam
, lParam
, FALSE
);
467 EDIT_EM_ScrollCaret(hwnd
, es
);
472 DPRINTF_EDIT_MSG16("EM_GETRECT");
474 CONV_RECT32TO16(&es
->format_rect
, MapSL(lParam
));
477 DPRINTF_EDIT_MSG32("EM_GETRECT");
479 CopyRect((LPRECT
)lParam
, &es
->format_rect
);
483 DPRINTF_EDIT_MSG16("EM_SETRECT");
484 if ((es
->style
& ES_MULTILINE
) && lParam
) {
486 CONV_RECT16TO32(MapSL(lParam
), &rc
);
487 EDIT_SetRectNP(hwnd
, es
, &rc
);
488 EDIT_UpdateText(hwnd
, es
, NULL
, TRUE
);
492 DPRINTF_EDIT_MSG32("EM_SETRECT");
493 if ((es
->style
& ES_MULTILINE
) && lParam
) {
494 EDIT_SetRectNP(hwnd
, es
, (LPRECT
)lParam
);
495 EDIT_UpdateText(hwnd
, es
, NULL
, TRUE
);
500 DPRINTF_EDIT_MSG16("EM_SETRECTNP");
501 if ((es
->style
& ES_MULTILINE
) && lParam
) {
503 CONV_RECT16TO32(MapSL(lParam
), &rc
);
504 EDIT_SetRectNP(hwnd
, es
, &rc
);
508 DPRINTF_EDIT_MSG32("EM_SETRECTNP");
509 if ((es
->style
& ES_MULTILINE
) && lParam
)
510 EDIT_SetRectNP(hwnd
, es
, (LPRECT
)lParam
);
514 DPRINTF_EDIT_MSG16("EM_SCROLL");
517 DPRINTF_EDIT_MSG32("EM_SCROLL");
518 result
= EDIT_EM_Scroll(hwnd
, es
, (INT
)wParam
);
521 case EM_LINESCROLL16
:
522 DPRINTF_EDIT_MSG16("EM_LINESCROLL");
523 wParam
= (WPARAM
)(INT
)SHIWORD(lParam
);
524 lParam
= (LPARAM
)(INT
)SLOWORD(lParam
);
527 DPRINTF_EDIT_MSG32("EM_LINESCROLL");
528 result
= (LRESULT
)EDIT_EM_LineScroll(hwnd
, es
, (INT
)wParam
, (INT
)lParam
);
531 case EM_SCROLLCARET16
:
532 DPRINTF_EDIT_MSG16("EM_SCROLLCARET");
535 DPRINTF_EDIT_MSG32("EM_SCROLLCARET");
536 EDIT_EM_ScrollCaret(hwnd
, es
);
541 DPRINTF_EDIT_MSG16("EM_GETMODIFY");
544 DPRINTF_EDIT_MSG32("EM_GETMODIFY");
545 result
= ((es
->flags
& EF_MODIFIED
) != 0);
549 DPRINTF_EDIT_MSG16("EM_SETMODIFY");
552 DPRINTF_EDIT_MSG32("EM_SETMODIFY");
554 es
->flags
|= EF_MODIFIED
;
556 es
->flags
&= ~(EF_MODIFIED
| EF_UPDATE
); /* reset pending updates */
559 case EM_GETLINECOUNT16
:
560 DPRINTF_EDIT_MSG16("EM_GETLINECOUNT");
562 case EM_GETLINECOUNT
:
563 DPRINTF_EDIT_MSG32("EM_GETLINECOUNT");
564 result
= (es
->style
& ES_MULTILINE
) ? es
->line_count
: 1;
568 DPRINTF_EDIT_MSG16("EM_LINEINDEX");
569 if ((INT16
)wParam
== -1)
573 DPRINTF_EDIT_MSG32("EM_LINEINDEX");
574 result
= (LRESULT
)EDIT_EM_LineIndex(es
, (INT
)wParam
);
578 DPRINTF_EDIT_MSG16("EM_SETHANDLE");
579 EDIT_EM_SetHandle16(hwnd
, es
, (HLOCAL16
)wParam
);
582 DPRINTF_EDIT_MSG32("EM_SETHANDLE");
583 EDIT_EM_SetHandle(hwnd
, es
, (HLOCAL
)wParam
);
587 DPRINTF_EDIT_MSG16("EM_GETHANDLE");
588 result
= (LRESULT
)EDIT_EM_GetHandle16(hwnd
, es
);
591 DPRINTF_EDIT_MSG32("EM_GETHANDLE");
592 result
= (LRESULT
)EDIT_EM_GetHandle(es
);
596 DPRINTF_EDIT_MSG16("EM_GETTHUMB");
599 DPRINTF_EDIT_MSG32("EM_GETTHUMB");
600 result
= EDIT_EM_GetThumb(hwnd
, es
);
603 /* messages 0x00bf and 0x00c0 missing from specs */
606 DPRINTF_EDIT_MSG16("undocumented WM_USER+15, please report");
609 DPRINTF_EDIT_MSG32("undocumented 0x00bf, please report");
610 result
= DefWindowProcW(hwnd
, msg
, wParam
, lParam
);
614 DPRINTF_EDIT_MSG16("undocumented WM_USER+16, please report");
617 DPRINTF_EDIT_MSG32("undocumented 0x00c0, please report");
618 result
= DefWindowProcW(hwnd
, msg
, wParam
, lParam
);
621 case EM_LINELENGTH16
:
622 DPRINTF_EDIT_MSG16("EM_LINELENGTH");
625 DPRINTF_EDIT_MSG32("EM_LINELENGTH");
626 result
= (LRESULT
)EDIT_EM_LineLength(es
, (INT
)wParam
);
629 case EM_REPLACESEL16
:
630 DPRINTF_EDIT_MSG16("EM_REPLACESEL");
631 lParam
= (LPARAM
)MapSL(lParam
);
632 unicode
= FALSE
; /* 16-bit message is always ascii */
637 DPRINTF_EDIT_MSG32("EM_REPLACESEL");
640 textW
= (LPWSTR
)lParam
;
643 LPSTR textA
= (LPSTR
)lParam
;
644 INT countW
= MultiByteToWideChar(CP_ACP
, 0, textA
, -1, NULL
, 0);
645 if((textW
= HeapAlloc(GetProcessHeap(), 0, countW
* sizeof(WCHAR
))))
646 MultiByteToWideChar(CP_ACP
, 0, textA
, -1, textW
, countW
);
649 EDIT_EM_ReplaceSel(hwnd
, es
, (BOOL
)wParam
, textW
, TRUE
);
653 HeapFree(GetProcessHeap(), 0, textW
);
656 /* message 0x00c3 missing from specs */
659 DPRINTF_EDIT_MSG16("undocumented WM_USER+19, please report");
662 DPRINTF_EDIT_MSG32("undocumented 0x00c3, please report");
663 result
= DefWindowProcW(hwnd
, msg
, wParam
, lParam
);
667 DPRINTF_EDIT_MSG16("EM_GETLINE");
668 lParam
= (LPARAM
)MapSL(lParam
);
669 unicode
= FALSE
; /* 16-bit message is always ascii */
672 DPRINTF_EDIT_MSG32("EM_GETLINE");
673 result
= (LRESULT
)EDIT_EM_GetLine(es
, (INT
)wParam
, lParam
, unicode
);
677 DPRINTF_EDIT_MSG16("EM_LIMITTEXT");
679 case EM_SETLIMITTEXT
:
680 DPRINTF_EDIT_MSG32("EM_SETLIMITTEXT");
681 EDIT_EM_SetLimitText(es
, (INT
)wParam
);
685 DPRINTF_EDIT_MSG16("EM_CANUNDO");
688 DPRINTF_EDIT_MSG32("EM_CANUNDO");
689 result
= (LRESULT
)EDIT_EM_CanUndo(es
);
693 DPRINTF_EDIT_MSG16("EM_UNDO");
698 DPRINTF_EDIT_MSG32("EM_UNDO / WM_UNDO");
699 result
= (LRESULT
)EDIT_EM_Undo(hwnd
, es
);
703 DPRINTF_EDIT_MSG16("EM_FMTLINES");
706 DPRINTF_EDIT_MSG32("EM_FMTLINES");
707 result
= (LRESULT
)EDIT_EM_FmtLines(es
, (BOOL
)wParam
);
710 case EM_LINEFROMCHAR16
:
711 DPRINTF_EDIT_MSG16("EM_LINEFROMCHAR");
713 case EM_LINEFROMCHAR
:
714 DPRINTF_EDIT_MSG32("EM_LINEFROMCHAR");
715 result
= (LRESULT
)EDIT_EM_LineFromChar(es
, (INT
)wParam
);
718 /* message 0x00ca missing from specs */
721 DPRINTF_EDIT_MSG16("undocumented WM_USER+26, please report");
724 DPRINTF_EDIT_MSG32("undocumented 0x00ca, please report");
725 result
= DefWindowProcW(hwnd
, msg
, wParam
, lParam
);
728 case EM_SETTABSTOPS16
:
729 DPRINTF_EDIT_MSG16("EM_SETTABSTOPS");
730 result
= (LRESULT
)EDIT_EM_SetTabStops16(es
, (INT
)wParam
, MapSL(lParam
));
733 DPRINTF_EDIT_MSG32("EM_SETTABSTOPS");
734 result
= (LRESULT
)EDIT_EM_SetTabStops(es
, (INT
)wParam
, (LPINT
)lParam
);
737 case EM_SETPASSWORDCHAR16
:
738 DPRINTF_EDIT_MSG16("EM_SETPASSWORDCHAR");
739 unicode
= FALSE
; /* 16-bit message is always ascii */
741 case EM_SETPASSWORDCHAR
:
744 DPRINTF_EDIT_MSG32("EM_SETPASSWORDCHAR");
747 charW
= (WCHAR
)wParam
;
751 MultiByteToWideChar(CP_ACP
, 0, &charA
, 1, &charW
, 1);
754 EDIT_EM_SetPasswordChar(hwnd
, es
, charW
);
758 case EM_EMPTYUNDOBUFFER16
:
759 DPRINTF_EDIT_MSG16("EM_EMPTYUNDOBUFFER");
761 case EM_EMPTYUNDOBUFFER
:
762 DPRINTF_EDIT_MSG32("EM_EMPTYUNDOBUFFER");
763 EDIT_EM_EmptyUndoBuffer(es
);
766 case EM_GETFIRSTVISIBLELINE16
:
767 DPRINTF_EDIT_MSG16("EM_GETFIRSTVISIBLELINE");
768 result
= es
->y_offset
;
770 case EM_GETFIRSTVISIBLELINE
:
771 DPRINTF_EDIT_MSG32("EM_GETFIRSTVISIBLELINE");
772 result
= (es
->style
& ES_MULTILINE
) ? es
->y_offset
: es
->x_offset
;
775 case EM_SETREADONLY16
:
776 DPRINTF_EDIT_MSG16("EM_SETREADONLY");
779 DPRINTF_EDIT_MSG32("EM_SETREADONLY");
781 SetWindowLongA( hwnd
, GWL_STYLE
,
782 GetWindowLongA( hwnd
, GWL_STYLE
) | ES_READONLY
);
783 es
->style
|= ES_READONLY
;
785 SetWindowLongA( hwnd
, GWL_STYLE
,
786 GetWindowLongA( hwnd
, GWL_STYLE
) & ~ES_READONLY
);
787 es
->style
&= ~ES_READONLY
;
792 case EM_SETWORDBREAKPROC16
:
793 DPRINTF_EDIT_MSG16("EM_SETWORDBREAKPROC");
794 EDIT_EM_SetWordBreakProc16(hwnd
, es
, (EDITWORDBREAKPROC16
)lParam
);
796 case EM_SETWORDBREAKPROC
:
797 DPRINTF_EDIT_MSG32("EM_SETWORDBREAKPROC");
798 EDIT_EM_SetWordBreakProc(hwnd
, es
, lParam
);
801 case EM_GETWORDBREAKPROC16
:
802 DPRINTF_EDIT_MSG16("EM_GETWORDBREAKPROC");
803 result
= (LRESULT
)es
->word_break_proc16
;
805 case EM_GETWORDBREAKPROC
:
806 DPRINTF_EDIT_MSG32("EM_GETWORDBREAKPROC");
807 result
= (LRESULT
)es
->word_break_proc
;
810 case EM_GETPASSWORDCHAR16
:
811 DPRINTF_EDIT_MSG16("EM_GETPASSWORDCHAR");
812 unicode
= FALSE
; /* 16-bit message is always ascii */
814 case EM_GETPASSWORDCHAR
:
816 DPRINTF_EDIT_MSG32("EM_GETPASSWORDCHAR");
819 result
= es
->password_char
;
822 WCHAR charW
= es
->password_char
;
824 WideCharToMultiByte(CP_ACP
, 0, &charW
, 1, &charA
, 1, NULL
, NULL
);
830 /* The following EM_xxx are new to win95 and don't exist for 16 bit */
833 DPRINTF_EDIT_MSG32("EM_SETMARGINS");
834 EDIT_EM_SetMargins(es
, (INT
)wParam
, SLOWORD(lParam
), SHIWORD(lParam
));
838 DPRINTF_EDIT_MSG32("EM_GETMARGINS");
839 result
= MAKELONG(es
->left_margin
, es
->right_margin
);
842 case EM_GETLIMITTEXT
:
843 DPRINTF_EDIT_MSG32("EM_GETLIMITTEXT");
844 result
= es
->buffer_limit
;
848 DPRINTF_EDIT_MSG32("EM_POSFROMCHAR");
849 result
= EDIT_EM_PosFromChar(hwnd
, es
, (INT
)wParam
, FALSE
);
853 DPRINTF_EDIT_MSG32("EM_CHARFROMPOS");
854 result
= EDIT_EM_CharFromPos(hwnd
, es
, SLOWORD(lParam
), SHIWORD(lParam
));
857 /* End of the EM_ messages which were in numerical order; what order
858 * are these in? vaguely alphabetical?
862 DPRINTF_EDIT_MSG32("WM_GETDLGCODE");
863 result
= DLGC_HASSETSEL
| DLGC_WANTCHARS
| DLGC_WANTARROWS
;
865 if (lParam
&& (((LPMSG
)lParam
)->message
== WM_KEYDOWN
))
867 int vk
= (int)((LPMSG
)lParam
)->wParam
;
869 if (vk
== VK_RETURN
&& (GetWindowLongA( hwnd
, GWL_STYLE
) & ES_WANTRETURN
))
871 result
|= DLGC_WANTMESSAGE
;
873 else if (es
->hwndListBox
&& (vk
== VK_RETURN
|| vk
== VK_ESCAPE
))
875 if (SendMessageW(GetParent(hwnd
), CB_GETDROPPEDSTATE
, 0, 0))
876 result
|= DLGC_WANTMESSAGE
;
884 DPRINTF_EDIT_MSG32("WM_CHAR");
891 MultiByteToWideChar(CP_ACP
, 0, &charA
, 1, &charW
, 1);
894 if ((charW
== VK_RETURN
|| charW
== VK_ESCAPE
) && es
->hwndListBox
)
896 if (SendMessageW(GetParent(hwnd
), CB_GETDROPPEDSTATE
, 0, 0))
897 SendMessageW(GetParent(hwnd
), WM_KEYDOWN
, charW
, 0);
900 EDIT_WM_Char(hwnd
, es
, charW
);
905 DPRINTF_EDIT_MSG32("WM_CLEAR");
906 EDIT_WM_Clear(hwnd
, es
);
910 DPRINTF_EDIT_MSG32("WM_COMMAND");
911 EDIT_WM_Command(hwnd
, es
, HIWORD(wParam
), LOWORD(wParam
), (HWND
)lParam
);
915 DPRINTF_EDIT_MSG32("WM_CONTEXTMENU");
916 EDIT_WM_ContextMenu(hwnd
, es
, SLOWORD(lParam
), SHIWORD(lParam
));
920 DPRINTF_EDIT_MSG32("WM_COPY");
921 EDIT_WM_Copy(hwnd
, es
);
925 DPRINTF_EDIT_MSG32("WM_CREATE");
927 result
= EDIT_WM_Create(hwnd
, es
, ((LPCREATESTRUCTW
)lParam
)->lpszName
);
930 LPCSTR nameA
= ((LPCREATESTRUCTA
)lParam
)->lpszName
;
934 INT countW
= MultiByteToWideChar(CP_ACP
, 0, nameA
, -1, NULL
, 0);
935 if((nameW
= HeapAlloc(GetProcessHeap(), 0, countW
* sizeof(WCHAR
))))
936 MultiByteToWideChar(CP_ACP
, 0, nameA
, -1, nameW
, countW
);
938 result
= EDIT_WM_Create(hwnd
, es
, nameW
);
940 HeapFree(GetProcessHeap(), 0, nameW
);
945 DPRINTF_EDIT_MSG32("WM_CUT");
946 EDIT_WM_Cut(hwnd
, es
);
950 DPRINTF_EDIT_MSG32("WM_ENABLE");
951 es
->bEnableState
= (BOOL
) wParam
;
952 EDIT_UpdateText(hwnd
, es
, NULL
, TRUE
);
956 DPRINTF_EDIT_MSG32("WM_ERASEBKGND");
957 result
= EDIT_WM_EraseBkGnd(hwnd
, es
, (HDC
)wParam
);
961 DPRINTF_EDIT_MSG32("WM_GETFONT");
962 result
= (LRESULT
)es
->font
;
966 DPRINTF_EDIT_MSG32("WM_GETTEXT");
967 result
= (LRESULT
)EDIT_WM_GetText(es
, (INT
)wParam
, lParam
, unicode
);
970 case WM_GETTEXTLENGTH
:
971 DPRINTF_EDIT_MSG32("WM_GETTEXTLENGTH");
972 result
= strlenW(es
->text
);
976 DPRINTF_EDIT_MSG32("WM_HSCROLL");
977 result
= EDIT_WM_HScroll(hwnd
, es
, LOWORD(wParam
), SHIWORD(wParam
));
981 DPRINTF_EDIT_MSG32("WM_KEYDOWN");
982 result
= EDIT_WM_KeyDown(hwnd
, es
, (INT
)wParam
);
986 DPRINTF_EDIT_MSG32("WM_KILLFOCUS");
987 result
= EDIT_WM_KillFocus(hwnd
, es
);
990 case WM_LBUTTONDBLCLK
:
991 DPRINTF_EDIT_MSG32("WM_LBUTTONDBLCLK");
992 result
= EDIT_WM_LButtonDblClk(hwnd
, es
);
996 DPRINTF_EDIT_MSG32("WM_LBUTTONDOWN");
997 result
= EDIT_WM_LButtonDown(hwnd
, es
, (DWORD
)wParam
, SLOWORD(lParam
), SHIWORD(lParam
));
1001 DPRINTF_EDIT_MSG32("WM_LBUTTONUP");
1002 result
= EDIT_WM_LButtonUp(hwnd
, es
);
1005 case WM_MBUTTONDOWN
:
1006 DPRINTF_EDIT_MSG32("WM_MBUTTONDOWN");
1007 result
= EDIT_WM_MButtonDown(hwnd
);
1010 case WM_MOUSEACTIVATE
:
1012 * FIXME: maybe DefWindowProc() screws up, but it seems that
1013 * modeless dialog boxes need this. If we don't do this, the focus
1014 * will _not_ be set by DefWindowProc() for edit controls in a
1015 * modeless dialog box ???
1017 DPRINTF_EDIT_MSG32("WM_MOUSEACTIVATE");
1019 result
= MA_ACTIVATE
;
1024 * DPRINTF_EDIT_MSG32("WM_MOUSEMOVE");
1026 result
= EDIT_WM_MouseMove(hwnd
, es
, SLOWORD(lParam
), SHIWORD(lParam
));
1030 DPRINTF_EDIT_MSG32("WM_PAINT");
1031 EDIT_WM_Paint(hwnd
, es
, wParam
);
1035 DPRINTF_EDIT_MSG32("WM_PASTE");
1036 EDIT_WM_Paste(hwnd
, es
);
1040 DPRINTF_EDIT_MSG32("WM_SETFOCUS");
1041 EDIT_WM_SetFocus(hwnd
, es
);
1045 DPRINTF_EDIT_MSG32("WM_SETFONT");
1046 EDIT_WM_SetFont(hwnd
, es
, (HFONT
)wParam
, LOWORD(lParam
) != 0);
1050 /* FIXME: actually set an internal flag and behave accordingly */
1054 DPRINTF_EDIT_MSG32("WM_SETTEXT");
1055 EDIT_WM_SetText(hwnd
, es
, lParam
, unicode
);
1060 DPRINTF_EDIT_MSG32("WM_SIZE");
1061 EDIT_WM_Size(hwnd
, es
, (UINT
)wParam
, LOWORD(lParam
), HIWORD(lParam
));
1064 case WM_STYLECHANGED
:
1065 DPRINTF_EDIT_MSG32("WM_STYLECHANGED");
1066 result
= EDIT_WM_StyleChanged (hwnd
, es
, wParam
, (const STYLESTRUCT
*)lParam
);
1069 case WM_STYLECHANGING
:
1070 DPRINTF_EDIT_MSG32("WM_STYLECHANGING");
1071 result
= 0; /* See EDIT_WM_StyleChanged */
1075 DPRINTF_EDIT_MSG32("WM_SYSKEYDOWN");
1076 result
= EDIT_WM_SysKeyDown(hwnd
, es
, (INT
)wParam
, (DWORD
)lParam
);
1080 DPRINTF_EDIT_MSG32("WM_TIMER");
1081 EDIT_WM_Timer(hwnd
, es
);
1085 DPRINTF_EDIT_MSG32("WM_VSCROLL");
1086 result
= EDIT_WM_VScroll(hwnd
, es
, LOWORD(wParam
), SHIWORD(wParam
));
1091 int gcWheelDelta
= 0;
1092 UINT pulScrollLines
= 3;
1093 SystemParametersInfoW(SPI_GETWHEELSCROLLLINES
,0, &pulScrollLines
, 0);
1095 if (wParam
& (MK_SHIFT
| MK_CONTROL
)) {
1096 result
= DefWindowProcW(hwnd
, msg
, wParam
, lParam
);
1099 gcWheelDelta
-= SHIWORD(wParam
);
1100 if (abs(gcWheelDelta
) >= WHEEL_DELTA
&& pulScrollLines
)
1102 int cLineScroll
= (int) min((UINT
) es
->line_count
, pulScrollLines
);
1103 cLineScroll
*= (gcWheelDelta
/ WHEEL_DELTA
);
1104 result
= EDIT_EM_LineScroll(hwnd
, es
, 0, cLineScroll
);
1110 result
= DefWindowProcW(hwnd
, msg
, wParam
, lParam
);
1112 result
= DefWindowProcA(hwnd
, msg
, wParam
, lParam
);
1115 EDIT_UnlockBuffer(hwnd
, es
, FALSE
);
1120 /*********************************************************************
1122 * EditWndProcW (USER32.@)
1124 LRESULT WINAPI
EditWndProcW(HWND hWnd
, UINT uMsg
, WPARAM wParam
, LPARAM lParam
)
1126 if (!IsWindow( hWnd
)) return 0;
1127 return EditWndProc_common(hWnd
, uMsg
, wParam
, lParam
, TRUE
);
1130 /*********************************************************************
1132 * EditWndProc (USER32.@)
1134 LRESULT WINAPI
EditWndProcA(HWND hWnd
, UINT uMsg
, WPARAM wParam
, LPARAM lParam
)
1136 if (!IsWindow( hWnd
)) return 0;
1137 return EditWndProc_common(hWnd
, uMsg
, wParam
, lParam
, FALSE
);
1140 /*********************************************************************
1142 * EDIT_BuildLineDefs_ML
1144 * Build linked list of text lines.
1145 * Lines can end with '\0' (last line), a character (if it is wrapped),
1146 * a soft return '\r\r\n' or a hard return '\r\n'
1149 static void EDIT_BuildLineDefs_ML(HWND hwnd
, EDITSTATE
*es
, INT istart
, INT iend
, INT delta
, HRGN hrgn
)
1153 LPWSTR current_position
, cp
;
1155 LINEDEF
*current_line
;
1156 LINEDEF
*previous_line
;
1157 LINEDEF
*start_line
;
1158 INT line_index
= 0, nstart_line
= 0, nstart_index
= 0;
1159 INT line_count
= es
->line_count
;
1160 INT orig_net_length
;
1163 if (istart
== iend
&& delta
== 0)
1168 old_font
= SelectObject(dc
, es
->font
);
1170 previous_line
= NULL
;
1171 current_line
= es
->first_line_def
;
1173 /* Find starting line. istart must lie inside an existing line or
1174 * at the end of buffer */
1176 if (istart
< current_line
->index
+ current_line
->length
||
1177 current_line
->ending
== END_0
)
1180 previous_line
= current_line
;
1181 current_line
= current_line
->next
;
1183 } while (current_line
);
1185 if (!current_line
) /* Error occurred start is not inside previous buffer */
1187 FIXME(" modification occurred outside buffer\n");
1191 /* Remember start of modifications in order to calculate update region */
1192 nstart_line
= line_index
;
1193 nstart_index
= current_line
->index
;
1195 /* We must start to reformat from the previous line since the modifications
1196 * may have caused the line to wrap upwards. */
1197 if (!(es
->style
& ES_AUTOHSCROLL
) && line_index
> 0)
1200 current_line
= previous_line
;
1202 start_line
= current_line
;
1204 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
1205 current_position
= es
->text
+ current_line
->index
;
1207 if (current_line
!= start_line
)
1209 if (!current_line
|| current_line
->index
+ delta
> current_position
- es
->text
)
1211 /* The buffer has been expanded, create a new line and
1212 insert it into the link list */
1213 LINEDEF
*new_line
= HeapAlloc(GetProcessHeap(), 0, sizeof(LINEDEF
));
1214 new_line
->next
= previous_line
->next
;
1215 previous_line
->next
= new_line
;
1216 current_line
= new_line
;
1219 else if (current_line
->index
+ delta
< current_position
- es
->text
)
1221 /* The previous line merged with this line so we delete this extra entry */
1222 previous_line
->next
= current_line
->next
;
1223 HeapFree(GetProcessHeap(), 0, current_line
);
1224 current_line
= previous_line
->next
;
1228 else /* current_line->index + delta == current_position */
1230 if (current_position
- es
->text
> iend
)
1231 break; /* We reached end of line modifications */
1232 /* else recalulate this line */
1236 current_line
->index
= current_position
- es
->text
;
1237 orig_net_length
= current_line
->net_length
;
1239 /* Find end of line */
1240 cp
= current_position
;
1242 if (*cp
== '\n') break;
1243 if ((*cp
== '\r') && (*(cp
+ 1) == '\n'))
1248 /* Mark type of line termination */
1250 current_line
->ending
= END_0
;
1251 current_line
->net_length
= strlenW(current_position
);
1252 } else if ((cp
> current_position
) && (*(cp
- 1) == '\r')) {
1253 current_line
->ending
= END_SOFT
;
1254 current_line
->net_length
= cp
- current_position
- 1;
1255 } else if (*cp
== '\n') {
1256 current_line
->ending
= END_RICH
;
1257 current_line
->net_length
= cp
- current_position
;
1259 current_line
->ending
= END_HARD
;
1260 current_line
->net_length
= cp
- current_position
;
1263 /* Calculate line width */
1264 current_line
->width
= (INT
)LOWORD(GetTabbedTextExtentW(dc
,
1265 current_position
, current_line
->net_length
,
1266 es
->tabs_count
, es
->tabs
));
1268 /* FIXME: check here for lines that are too wide even in AUTOHSCROLL (> 32767 ???) */
1269 if ((!(es
->style
& ES_AUTOHSCROLL
)) && (current_line
->width
> fw
)) {
1274 next
= EDIT_CallWordBreakProc(es
, current_position
- es
->text
,
1275 prev
+ 1, current_line
->net_length
, WB_RIGHT
);
1276 current_line
->width
= (INT
)LOWORD(GetTabbedTextExtentW(dc
,
1277 current_position
, next
, es
->tabs_count
, es
->tabs
));
1278 } while (current_line
->width
<= fw
);
1279 if (!prev
) { /* Didn't find a line break so force a break */
1284 current_line
->width
= (INT
)LOWORD(GetTabbedTextExtentW(dc
,
1285 current_position
, next
, es
->tabs_count
, es
->tabs
));
1286 } while (current_line
->width
<= fw
);
1291 /* If the first line we are calculating, wrapped before istart, we must
1292 * adjust istart in order for this to be reflected in the update region. */
1293 if (current_line
->index
== nstart_index
&& istart
> current_line
->index
+ prev
)
1294 istart
= current_line
->index
+ prev
;
1295 /* else if we are updating the previous line before the first line we
1296 * are re-calculating and it expanded */
1297 else if (current_line
== start_line
&&
1298 current_line
->index
!= nstart_index
&& orig_net_length
< prev
)
1300 /* Line expanded due to an upwards line wrap so we must partially include
1301 * previous line in update region */
1302 nstart_line
= line_index
;
1303 nstart_index
= current_line
->index
;
1304 istart
= current_line
->index
+ orig_net_length
;
1307 current_line
->net_length
= prev
;
1308 current_line
->ending
= END_WRAP
;
1309 current_line
->width
= (INT
)LOWORD(GetTabbedTextExtentW(dc
, current_position
,
1310 current_line
->net_length
, es
->tabs_count
, es
->tabs
));
1314 /* Adjust length to include line termination */
1315 switch (current_line
->ending
) {
1317 current_line
->length
= current_line
->net_length
+ 3;
1320 current_line
->length
= current_line
->net_length
+ 1;
1323 current_line
->length
= current_line
->net_length
+ 2;
1327 current_line
->length
= current_line
->net_length
;
1330 es
->text_width
= max(es
->text_width
, current_line
->width
);
1331 current_position
+= current_line
->length
;
1332 previous_line
= current_line
;
1333 current_line
= current_line
->next
;
1335 } while (previous_line
->ending
!= END_0
);
1337 /* Finish adjusting line indexes by delta or remove hanging lines */
1338 if (previous_line
->ending
== END_0
)
1340 LINEDEF
*pnext
= NULL
;
1342 previous_line
->next
= NULL
;
1343 while (current_line
)
1345 pnext
= current_line
->next
;
1346 HeapFree(GetProcessHeap(), 0, current_line
);
1347 current_line
= pnext
;
1353 while (current_line
)
1355 current_line
->index
+= delta
;
1356 current_line
= current_line
->next
;
1360 /* Calculate rest of modification rectangle */
1365 * We calculate two rectangles. One for the first line which may have
1366 * an indent with respect to the format rect. The other is a format-width
1367 * rectangle that spans the rest of the lines that changed or moved.
1369 rc
.top
= es
->format_rect
.top
+ nstart_line
* es
->line_height
-
1370 (es
->y_offset
* es
->line_height
); /* Adjust for vertical scrollbar */
1371 rc
.bottom
= rc
.top
+ es
->line_height
;
1372 rc
.left
= es
->format_rect
.left
+ (INT
)LOWORD(GetTabbedTextExtentW(dc
,
1373 es
->text
+ nstart_index
, istart
- nstart_index
,
1374 es
->tabs_count
, es
->tabs
)) - es
->x_offset
; /* Adjust for horz scroll */
1375 rc
.right
= es
->format_rect
.right
;
1376 SetRectRgn(hrgn
, rc
.left
, rc
.top
, rc
.right
, rc
.bottom
);
1379 rc
.left
= es
->format_rect
.left
;
1380 rc
.right
= es
->format_rect
.right
;
1382 * If lines were added or removed we must re-paint the remainder of the
1383 * lines since the remaining lines were either shifted up or down.
1385 if (line_count
< es
->line_count
) /* We added lines */
1386 rc
.bottom
= es
->line_count
* es
->line_height
;
1387 else if (line_count
> es
->line_count
) /* We removed lines */
1388 rc
.bottom
= line_count
* es
->line_height
;
1390 rc
.bottom
= line_index
* es
->line_height
;
1391 rc
.bottom
-= (es
->y_offset
* es
->line_height
); /* Adjust for vertical scrollbar */
1392 tmphrgn
= CreateRectRgn(rc
.left
, rc
.top
, rc
.right
, rc
.bottom
);
1393 CombineRgn(hrgn
, hrgn
, tmphrgn
, RGN_OR
);
1394 DeleteObject(tmphrgn
);
1398 SelectObject(dc
, old_font
);
1400 ReleaseDC(hwnd
, dc
);
1403 /*********************************************************************
1405 * EDIT_CalcLineWidth_SL
1408 static void EDIT_CalcLineWidth_SL(HWND hwnd
, EDITSTATE
*es
)
1410 es
->text_width
= SLOWORD(EDIT_EM_PosFromChar(hwnd
, es
, strlenW(es
->text
), FALSE
));
1413 /*********************************************************************
1415 * EDIT_CallWordBreakProc
1417 * Call appropriate WordBreakProc (internal or external).
1419 * Note: The "start" argument should always be an index referring
1420 * to es->text. The actual wordbreak proc might be
1421 * 16 bit, so we can't always pass any 32 bit LPSTR.
1422 * Hence we assume that es->text is the buffer that holds
1423 * the string under examination (we can decide this for ourselves).
1426 /* ### start build ### */
1427 extern WORD CALLBACK
EDIT_CallTo16_word_lwww(EDITWORDBREAKPROC16
,SEGPTR
,WORD
,WORD
,WORD
);
1428 /* ### stop build ### */
1429 static INT
EDIT_CallWordBreakProc(EDITSTATE
*es
, INT start
, INT index
, INT count
, INT action
)
1431 INT ret
, iWndsLocks
;
1433 /* To avoid any deadlocks, all the locks on the window structures
1434 must be suspended before the control is passed to the application */
1435 iWndsLocks
= WIN_SuspendWndsLock();
1437 if (es
->word_break_proc16
) {
1442 countA
= WideCharToMultiByte(CP_ACP
, 0, es
->text
+ start
, count
, NULL
, 0, NULL
, NULL
);
1443 hglob16
= GlobalAlloc16(GMEM_MOVEABLE
| GMEM_ZEROINIT
, countA
);
1444 segptr
= K32WOWGlobalLock16(hglob16
);
1445 WideCharToMultiByte(CP_ACP
, 0, es
->text
+ start
, count
, MapSL(segptr
), countA
, NULL
, NULL
);
1446 ret
= (INT
)EDIT_CallTo16_word_lwww(es
->word_break_proc16
,
1447 segptr
, index
, countA
, action
);
1448 GlobalUnlock16(hglob16
);
1449 GlobalFree16(hglob16
);
1451 else if (es
->word_break_proc
)
1455 EDITWORDBREAKPROCW wbpW
= (EDITWORDBREAKPROCW
)es
->word_break_proc
;
1457 TRACE_(relay
)("(UNICODE wordbrk=%p,str=%s,idx=%d,cnt=%d,act=%d)\n",
1458 es
->word_break_proc
, debugstr_wn(es
->text
+ start
, count
), index
, count
, action
);
1459 ret
= wbpW(es
->text
+ start
, index
, count
, action
);
1463 EDITWORDBREAKPROCA wbpA
= (EDITWORDBREAKPROCA
)es
->word_break_proc
;
1467 countA
= WideCharToMultiByte(CP_ACP
, 0, es
->text
+ start
, count
, NULL
, 0, NULL
, NULL
);
1468 textA
= HeapAlloc(GetProcessHeap(), 0, countA
);
1469 WideCharToMultiByte(CP_ACP
, 0, es
->text
+ start
, count
, textA
, countA
, NULL
, NULL
);
1470 TRACE_(relay
)("(ANSI wordbrk=%p,str=%s,idx=%d,cnt=%d,act=%d)\n",
1471 es
->word_break_proc
, debugstr_an(textA
, countA
), index
, countA
, action
);
1472 ret
= wbpA(textA
, index
, countA
, action
);
1473 HeapFree(GetProcessHeap(), 0, textA
);
1477 ret
= EDIT_WordBreakProc(es
->text
+ start
, index
, count
, action
);
1479 WIN_RestoreWndsLock(iWndsLocks
);
1484 /*********************************************************************
1488 * Beware: This is not the function called on EM_CHARFROMPOS
1489 * The position _can_ be outside the formatting / client
1491 * The return value is only the character index
1494 static INT
EDIT_CharFromPos(HWND hwnd
, EDITSTATE
*es
, INT x
, INT y
, LPBOOL after_wrap
)
1500 if (es
->style
& ES_MULTILINE
) {
1501 INT line
= (y
- es
->format_rect
.top
) / es
->line_height
+ es
->y_offset
;
1503 LINEDEF
*line_def
= es
->first_line_def
;
1505 while ((line
> 0) && line_def
->next
) {
1506 line_index
+= line_def
->length
;
1507 line_def
= line_def
->next
;
1510 x
+= es
->x_offset
- es
->format_rect
.left
;
1511 if (x
>= line_def
->width
) {
1513 *after_wrap
= (line_def
->ending
== END_WRAP
);
1514 return line_index
+ line_def
->net_length
;
1518 *after_wrap
= FALSE
;
1523 old_font
= SelectObject(dc
, es
->font
);
1524 low
= line_index
+ 1;
1525 high
= line_index
+ line_def
->net_length
+ 1;
1526 while (low
< high
- 1)
1528 INT mid
= (low
+ high
) / 2;
1529 if (LOWORD(GetTabbedTextExtentW(dc
, es
->text
+ line_index
,mid
- line_index
, es
->tabs_count
, es
->tabs
)) > x
) high
= mid
;
1535 *after_wrap
= ((index
== line_index
+ line_def
->net_length
) &&
1536 (line_def
->ending
== END_WRAP
));
1541 *after_wrap
= FALSE
;
1542 x
-= es
->format_rect
.left
;
1544 return es
->x_offset
;
1545 text
= EDIT_GetPasswordPointer_SL(es
);
1548 old_font
= SelectObject(dc
, es
->font
);
1552 INT high
= es
->x_offset
;
1553 while (low
< high
- 1)
1555 INT mid
= (low
+ high
) / 2;
1556 GetTextExtentPoint32W( dc
, text
+ mid
,
1557 es
->x_offset
- mid
, &size
);
1558 if (size
.cx
> -x
) low
= mid
;
1565 INT low
= es
->x_offset
;
1566 INT high
= strlenW(es
->text
) + 1;
1567 while (low
< high
- 1)
1569 INT mid
= (low
+ high
) / 2;
1570 GetTextExtentPoint32W( dc
, text
+ es
->x_offset
,
1571 mid
- es
->x_offset
, &size
);
1572 if (size
.cx
> x
) high
= mid
;
1577 if (es
->style
& ES_PASSWORD
)
1578 HeapFree(GetProcessHeap(), 0, text
);
1581 SelectObject(dc
, old_font
);
1582 ReleaseDC(hwnd
, dc
);
1587 /*********************************************************************
1591 * adjusts the point to be within the formatting rectangle
1592 * (so CharFromPos returns the nearest _visible_ character)
1595 static void EDIT_ConfinePoint(EDITSTATE
*es
, LPINT x
, LPINT y
)
1597 *x
= min(max(*x
, es
->format_rect
.left
), es
->format_rect
.right
- 1);
1598 *y
= min(max(*y
, es
->format_rect
.top
), es
->format_rect
.bottom
- 1);
1602 /*********************************************************************
1606 * Calculates the bounding rectangle for a line from a starting
1607 * column to an ending column.
1610 static void EDIT_GetLineRect(HWND hwnd
, EDITSTATE
*es
, INT line
, INT scol
, INT ecol
, LPRECT rc
)
1612 INT line_index
= EDIT_EM_LineIndex(es
, line
);
1614 if (es
->style
& ES_MULTILINE
)
1615 rc
->top
= es
->format_rect
.top
+ (line
- es
->y_offset
) * es
->line_height
;
1617 rc
->top
= es
->format_rect
.top
;
1618 rc
->bottom
= rc
->top
+ es
->line_height
;
1619 rc
->left
= (scol
== 0) ? es
->format_rect
.left
: SLOWORD(EDIT_EM_PosFromChar(hwnd
, es
, line_index
+ scol
, TRUE
));
1620 rc
->right
= (ecol
== -1) ? es
->format_rect
.right
: SLOWORD(EDIT_EM_PosFromChar(hwnd
, es
, line_index
+ ecol
, TRUE
));
1624 /*********************************************************************
1626 * EDIT_GetPasswordPointer_SL
1628 * note: caller should free the (optionally) allocated buffer
1631 static LPWSTR
EDIT_GetPasswordPointer_SL(EDITSTATE
*es
)
1633 if (es
->style
& ES_PASSWORD
) {
1634 INT len
= strlenW(es
->text
);
1635 LPWSTR text
= HeapAlloc(GetProcessHeap(), 0, (len
+ 1) * sizeof(WCHAR
));
1637 while(len
) text
[--len
] = es
->password_char
;
1644 /*********************************************************************
1648 * This acts as a LOCAL_Lock(), but it locks only once. This way
1649 * you can call it whenever you like, without unlocking.
1652 static void EDIT_LockBuffer(HWND hwnd
, EDITSTATE
*es
)
1654 HINSTANCE hInstance
= GetWindowLongA( hwnd
, GWL_HINSTANCE
);
1656 ERR("no EDITSTATE ... please report\n");
1662 BOOL _16bit
= FALSE
;
1668 TRACE("Synchronizing with 32-bit ANSI buffer\n");
1669 textA
= LocalLock(es
->hloc32A
);
1670 countA
= strlen(textA
) + 1;
1674 TRACE("Synchronizing with 16-bit ANSI buffer\n");
1675 textA
= LOCAL_Lock(hInstance
, es
->hloc16
);
1676 countA
= strlen(textA
) + 1;
1681 ERR("no buffer ... please report\n");
1688 UINT countW_new
= MultiByteToWideChar(CP_ACP
, 0, textA
, countA
, NULL
, 0);
1689 TRACE("%d bytes translated to %d WCHARs\n", countA
, countW_new
);
1690 if(countW_new
> es
->buffer_size
+ 1)
1692 UINT alloc_size
= ROUND_TO_GROW(countW_new
* sizeof(WCHAR
));
1693 TRACE("Resizing 32-bit UNICODE buffer from %d+1 to %d WCHARs\n", es
->buffer_size
, countW_new
);
1694 hloc32W_new
= LocalReAlloc(es
->hloc32W
, alloc_size
, LMEM_MOVEABLE
| LMEM_ZEROINIT
);
1697 es
->hloc32W
= hloc32W_new
;
1698 es
->buffer_size
= LocalSize(hloc32W_new
)/sizeof(WCHAR
) - 1;
1699 TRACE("Real new size %d+1 WCHARs\n", es
->buffer_size
);
1702 WARN("FAILED! Will synchronize partially\n");
1706 /*TRACE("Locking 32-bit UNICODE buffer\n");*/
1707 es
->text
= LocalLock(es
->hloc32W
);
1711 MultiByteToWideChar(CP_ACP
, 0, textA
, countA
, es
->text
, es
->buffer_size
+ 1);
1713 LOCAL_Unlock(hInstance
, es
->hloc16
);
1715 LocalUnlock(es
->hloc32A
);
1722 /*********************************************************************
1724 * EDIT_SL_InvalidateText
1726 * Called from EDIT_InvalidateText().
1727 * Does the job for single-line controls only.
1730 static void EDIT_SL_InvalidateText(HWND hwnd
, EDITSTATE
*es
, INT start
, INT end
)
1735 EDIT_GetLineRect(hwnd
, es
, 0, start
, end
, &line_rect
);
1736 if (IntersectRect(&rc
, &line_rect
, &es
->format_rect
))
1737 EDIT_UpdateText(hwnd
, es
, &rc
, FALSE
);
1741 /*********************************************************************
1743 * EDIT_ML_InvalidateText
1745 * Called from EDIT_InvalidateText().
1746 * Does the job for multi-line controls only.
1749 static void EDIT_ML_InvalidateText(HWND hwnd
, EDITSTATE
*es
, INT start
, INT end
)
1751 INT vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
1752 INT sl
= EDIT_EM_LineFromChar(es
, start
);
1753 INT el
= EDIT_EM_LineFromChar(es
, end
);
1762 if ((el
< es
->y_offset
) || (sl
> es
->y_offset
+ vlc
))
1765 sc
= start
- EDIT_EM_LineIndex(es
, sl
);
1766 ec
= end
- EDIT_EM_LineIndex(es
, el
);
1767 if (sl
< es
->y_offset
) {
1771 if (el
> es
->y_offset
+ vlc
) {
1772 el
= es
->y_offset
+ vlc
;
1773 ec
= EDIT_EM_LineLength(es
, EDIT_EM_LineIndex(es
, el
));
1775 GetClientRect(hwnd
, &rc1
);
1776 IntersectRect(&rcWnd
, &rc1
, &es
->format_rect
);
1778 EDIT_GetLineRect(hwnd
, es
, sl
, sc
, ec
, &rcLine
);
1779 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1780 EDIT_UpdateText(hwnd
, es
, &rcUpdate
, FALSE
);
1782 EDIT_GetLineRect(hwnd
, es
, sl
, sc
,
1783 EDIT_EM_LineLength(es
,
1784 EDIT_EM_LineIndex(es
, sl
)),
1786 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1787 EDIT_UpdateText(hwnd
, es
, &rcUpdate
, FALSE
);
1788 for (l
= sl
+ 1 ; l
< el
; l
++) {
1789 EDIT_GetLineRect(hwnd
, es
, l
, 0,
1790 EDIT_EM_LineLength(es
,
1791 EDIT_EM_LineIndex(es
, l
)),
1793 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1794 EDIT_UpdateText(hwnd
, es
, &rcUpdate
, FALSE
);
1796 EDIT_GetLineRect(hwnd
, es
, el
, 0, ec
, &rcLine
);
1797 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1798 EDIT_UpdateText(hwnd
, es
, &rcUpdate
, FALSE
);
1803 /*********************************************************************
1805 * EDIT_InvalidateText
1807 * Invalidate the text from offset start upto, but not including,
1808 * offset end. Useful for (re)painting the selection.
1809 * Regions outside the linewidth are not invalidated.
1810 * end == -1 means end == TextLength.
1811 * start and end need not be ordered.
1814 static void EDIT_InvalidateText(HWND hwnd
, EDITSTATE
*es
, INT start
, INT end
)
1820 end
= strlenW(es
->text
);
1822 ORDER_INT(start
, end
);
1824 if (es
->style
& ES_MULTILINE
)
1825 EDIT_ML_InvalidateText(hwnd
, es
, start
, end
);
1827 EDIT_SL_InvalidateText(hwnd
, es
, start
, end
);
1831 /*********************************************************************
1835 * Try to fit size + 1 characters in the buffer. Constrain to limits.
1838 static BOOL
EDIT_MakeFit(HWND hwnd
, EDITSTATE
*es
, UINT size
)
1842 if (size
<= es
->buffer_size
)
1844 if (size
> es
->buffer_limit
) {
1845 EDIT_NOTIFY_PARENT(hwnd
, es
, EN_MAXTEXT
, "EN_MAXTEXT");
1848 if (size
> es
->buffer_limit
)
1849 size
= es
->buffer_limit
;
1851 TRACE("trying to ReAlloc to %d+1 characters\n", size
);
1853 /* Force edit to unlock it's buffer. es->text now NULL */
1854 EDIT_UnlockBuffer(hwnd
, es
, TRUE
);
1857 UINT alloc_size
= ROUND_TO_GROW((size
+ 1) * sizeof(WCHAR
));
1858 if ((hNew32W
= LocalReAlloc(es
->hloc32W
, alloc_size
, LMEM_MOVEABLE
| LMEM_ZEROINIT
))) {
1859 TRACE("Old 32 bit handle %08x, new handle %08x\n", es
->hloc32W
, hNew32W
);
1860 es
->hloc32W
= hNew32W
;
1861 es
->buffer_size
= LocalSize(hNew32W
)/sizeof(WCHAR
) - 1;
1865 EDIT_LockBuffer(hwnd
, es
);
1867 if (es
->buffer_size
< size
) {
1868 WARN("FAILED ! We now have %d+1\n", es
->buffer_size
);
1869 EDIT_NOTIFY_PARENT(hwnd
, es
, EN_ERRSPACE
, "EN_ERRSPACE");
1872 TRACE("We now have %d+1\n", es
->buffer_size
);
1878 /*********************************************************************
1882 * Try to fit size + 1 bytes in the undo buffer.
1885 static BOOL
EDIT_MakeUndoFit(EDITSTATE
*es
, UINT size
)
1889 if (size
<= es
->undo_buffer_size
)
1892 TRACE("trying to ReAlloc to %d+1\n", size
);
1894 alloc_size
= ROUND_TO_GROW((size
+ 1) * sizeof(WCHAR
));
1895 if ((es
->undo_text
= HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, es
->undo_text
, alloc_size
))) {
1896 es
->undo_buffer_size
= alloc_size
/sizeof(WCHAR
);
1901 WARN("FAILED ! We now have %d+1\n", es
->undo_buffer_size
);
1907 /*********************************************************************
1912 static void EDIT_MoveBackward(HWND hwnd
, EDITSTATE
*es
, BOOL extend
)
1914 INT e
= es
->selection_end
;
1918 if ((es
->style
& ES_MULTILINE
) && e
&&
1919 (es
->text
[e
- 1] == '\r') && (es
->text
[e
] == '\n')) {
1921 if (e
&& (es
->text
[e
- 1] == '\r'))
1925 EDIT_EM_SetSel(hwnd
, es
, extend
? es
->selection_start
: e
, e
, FALSE
);
1926 EDIT_EM_ScrollCaret(hwnd
, es
);
1930 /*********************************************************************
1934 * Only for multi line controls
1935 * Move the caret one line down, on a column with the nearest
1936 * x coordinate on the screen (might be a different column).
1939 static void EDIT_MoveDown_ML(HWND hwnd
, EDITSTATE
*es
, BOOL extend
)
1941 INT s
= es
->selection_start
;
1942 INT e
= es
->selection_end
;
1943 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
1944 LRESULT pos
= EDIT_EM_PosFromChar(hwnd
, es
, e
, after_wrap
);
1945 INT x
= SLOWORD(pos
);
1946 INT y
= SHIWORD(pos
);
1948 e
= EDIT_CharFromPos(hwnd
, es
, x
, y
+ es
->line_height
, &after_wrap
);
1951 EDIT_EM_SetSel(hwnd
, es
, s
, e
, after_wrap
);
1952 EDIT_EM_ScrollCaret(hwnd
, es
);
1956 /*********************************************************************
1961 static void EDIT_MoveEnd(HWND hwnd
, EDITSTATE
*es
, BOOL extend
)
1963 BOOL after_wrap
= FALSE
;
1966 /* Pass a high value in x to make sure of receiving the end of the line */
1967 if (es
->style
& ES_MULTILINE
)
1968 e
= EDIT_CharFromPos(hwnd
, es
, 0x3fffffff,
1969 HIWORD(EDIT_EM_PosFromChar(hwnd
, es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
)), &after_wrap
);
1971 e
= strlenW(es
->text
);
1972 EDIT_EM_SetSel(hwnd
, es
, extend
? es
->selection_start
: e
, e
, after_wrap
);
1973 EDIT_EM_ScrollCaret(hwnd
, es
);
1977 /*********************************************************************
1982 static void EDIT_MoveForward(HWND hwnd
, EDITSTATE
*es
, BOOL extend
)
1984 INT e
= es
->selection_end
;
1988 if ((es
->style
& ES_MULTILINE
) && (es
->text
[e
- 1] == '\r')) {
1989 if (es
->text
[e
] == '\n')
1991 else if ((es
->text
[e
] == '\r') && (es
->text
[e
+ 1] == '\n'))
1995 EDIT_EM_SetSel(hwnd
, es
, extend
? es
->selection_start
: e
, e
, FALSE
);
1996 EDIT_EM_ScrollCaret(hwnd
, es
);
2000 /*********************************************************************
2004 * Home key: move to beginning of line.
2007 static void EDIT_MoveHome(HWND hwnd
, EDITSTATE
*es
, BOOL extend
)
2011 /* Pass the x_offset in x to make sure of receiving the first position of the line */
2012 if (es
->style
& ES_MULTILINE
)
2013 e
= EDIT_CharFromPos(hwnd
, es
, -es
->x_offset
,
2014 HIWORD(EDIT_EM_PosFromChar(hwnd
, es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
)), NULL
);
2017 EDIT_EM_SetSel(hwnd
, es
, extend
? es
->selection_start
: e
, e
, FALSE
);
2018 EDIT_EM_ScrollCaret(hwnd
, es
);
2022 /*********************************************************************
2024 * EDIT_MovePageDown_ML
2026 * Only for multi line controls
2027 * Move the caret one page down, on a column with the nearest
2028 * x coordinate on the screen (might be a different column).
2031 static void EDIT_MovePageDown_ML(HWND hwnd
, EDITSTATE
*es
, BOOL extend
)
2033 INT s
= es
->selection_start
;
2034 INT e
= es
->selection_end
;
2035 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
2036 LRESULT pos
= EDIT_EM_PosFromChar(hwnd
, es
, e
, after_wrap
);
2037 INT x
= SLOWORD(pos
);
2038 INT y
= SHIWORD(pos
);
2040 e
= EDIT_CharFromPos(hwnd
, es
, x
,
2041 y
+ (es
->format_rect
.bottom
- es
->format_rect
.top
),
2045 EDIT_EM_SetSel(hwnd
, es
, s
, e
, after_wrap
);
2046 EDIT_EM_ScrollCaret(hwnd
, es
);
2050 /*********************************************************************
2052 * EDIT_MovePageUp_ML
2054 * Only for multi line controls
2055 * Move the caret one page up, on a column with the nearest
2056 * x coordinate on the screen (might be a different column).
2059 static void EDIT_MovePageUp_ML(HWND hwnd
, EDITSTATE
*es
, BOOL extend
)
2061 INT s
= es
->selection_start
;
2062 INT e
= es
->selection_end
;
2063 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
2064 LRESULT pos
= EDIT_EM_PosFromChar(hwnd
, es
, e
, after_wrap
);
2065 INT x
= SLOWORD(pos
);
2066 INT y
= SHIWORD(pos
);
2068 e
= EDIT_CharFromPos(hwnd
, es
, x
,
2069 y
- (es
->format_rect
.bottom
- es
->format_rect
.top
),
2073 EDIT_EM_SetSel(hwnd
, es
, s
, e
, after_wrap
);
2074 EDIT_EM_ScrollCaret(hwnd
, es
);
2078 /*********************************************************************
2082 * Only for multi line controls
2083 * Move the caret one line up, on a column with the nearest
2084 * x coordinate on the screen (might be a different column).
2087 static void EDIT_MoveUp_ML(HWND hwnd
, EDITSTATE
*es
, BOOL extend
)
2089 INT s
= es
->selection_start
;
2090 INT e
= es
->selection_end
;
2091 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
2092 LRESULT pos
= EDIT_EM_PosFromChar(hwnd
, es
, e
, after_wrap
);
2093 INT x
= SLOWORD(pos
);
2094 INT y
= SHIWORD(pos
);
2096 e
= EDIT_CharFromPos(hwnd
, es
, x
, y
- es
->line_height
, &after_wrap
);
2099 EDIT_EM_SetSel(hwnd
, es
, s
, e
, after_wrap
);
2100 EDIT_EM_ScrollCaret(hwnd
, es
);
2104 /*********************************************************************
2106 * EDIT_MoveWordBackward
2109 static void EDIT_MoveWordBackward(HWND hwnd
, EDITSTATE
*es
, BOOL extend
)
2111 INT s
= es
->selection_start
;
2112 INT e
= es
->selection_end
;
2117 l
= EDIT_EM_LineFromChar(es
, e
);
2118 ll
= EDIT_EM_LineLength(es
, e
);
2119 li
= EDIT_EM_LineIndex(es
, l
);
2122 li
= EDIT_EM_LineIndex(es
, l
- 1);
2123 e
= li
+ EDIT_EM_LineLength(es
, li
);
2126 e
= li
+ (INT
)EDIT_CallWordBreakProc(es
,
2127 li
, e
- li
, ll
, WB_LEFT
);
2131 EDIT_EM_SetSel(hwnd
, es
, s
, e
, FALSE
);
2132 EDIT_EM_ScrollCaret(hwnd
, es
);
2136 /*********************************************************************
2138 * EDIT_MoveWordForward
2141 static void EDIT_MoveWordForward(HWND hwnd
, EDITSTATE
*es
, BOOL extend
)
2143 INT s
= es
->selection_start
;
2144 INT e
= es
->selection_end
;
2149 l
= EDIT_EM_LineFromChar(es
, e
);
2150 ll
= EDIT_EM_LineLength(es
, e
);
2151 li
= EDIT_EM_LineIndex(es
, l
);
2153 if ((es
->style
& ES_MULTILINE
) && (l
!= es
->line_count
- 1))
2154 e
= EDIT_EM_LineIndex(es
, l
+ 1);
2156 e
= li
+ EDIT_CallWordBreakProc(es
,
2157 li
, e
- li
+ 1, ll
, WB_RIGHT
);
2161 EDIT_EM_SetSel(hwnd
, es
, s
, e
, FALSE
);
2162 EDIT_EM_ScrollCaret(hwnd
, es
);
2166 /*********************************************************************
2171 static void EDIT_PaintLine(HWND hwnd
, EDITSTATE
*es
, HDC dc
, INT line
, BOOL rev
)
2173 INT s
= es
->selection_start
;
2174 INT e
= es
->selection_end
;
2181 if (es
->style
& ES_MULTILINE
) {
2182 INT vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
2183 if ((line
< es
->y_offset
) || (line
> es
->y_offset
+ vlc
) || (line
>= es
->line_count
))
2188 TRACE("line=%d\n", line
);
2190 pos
= EDIT_EM_PosFromChar(hwnd
, es
, EDIT_EM_LineIndex(es
, line
), FALSE
);
2193 li
= EDIT_EM_LineIndex(es
, line
);
2194 ll
= EDIT_EM_LineLength(es
, li
);
2195 s
= es
->selection_start
;
2196 e
= es
->selection_end
;
2198 s
= min(li
+ ll
, max(li
, s
));
2199 e
= min(li
+ ll
, max(li
, e
));
2200 if (rev
&& (s
!= e
) &&
2201 ((es
->flags
& EF_FOCUSED
) || (es
->style
& ES_NOHIDESEL
))) {
2202 x
+= EDIT_PaintText(es
, dc
, x
, y
, line
, 0, s
- li
, FALSE
);
2203 x
+= EDIT_PaintText(es
, dc
, x
, y
, line
, s
- li
, e
- s
, TRUE
);
2204 x
+= EDIT_PaintText(es
, dc
, x
, y
, line
, e
- li
, li
+ ll
- e
, FALSE
);
2206 x
+= EDIT_PaintText(es
, dc
, x
, y
, line
, 0, ll
, FALSE
);
2210 /*********************************************************************
2215 static INT
EDIT_PaintText(EDITSTATE
*es
, HDC dc
, INT x
, INT y
, INT line
, INT col
, INT count
, BOOL rev
)
2226 BkMode
= GetBkMode(dc
);
2227 BkColor
= GetBkColor(dc
);
2228 TextColor
= GetTextColor(dc
);
2230 SetBkColor(dc
, GetSysColor(COLOR_HIGHLIGHT
));
2231 SetTextColor(dc
, GetSysColor(COLOR_HIGHLIGHTTEXT
));
2232 SetBkMode( dc
, OPAQUE
);
2234 li
= EDIT_EM_LineIndex(es
, line
);
2235 if (es
->style
& ES_MULTILINE
) {
2236 ret
= (INT
)LOWORD(TabbedTextOutW(dc
, x
, y
, es
->text
+ li
+ col
, count
,
2237 es
->tabs_count
, es
->tabs
, es
->format_rect
.left
- es
->x_offset
));
2239 LPWSTR text
= EDIT_GetPasswordPointer_SL(es
);
2240 TextOutW(dc
, x
, y
, text
+ li
+ col
, count
);
2241 GetTextExtentPoint32W(dc
, text
+ li
+ col
, count
, &size
);
2243 if (es
->style
& ES_PASSWORD
)
2244 HeapFree(GetProcessHeap(), 0, text
);
2247 SetBkColor(dc
, BkColor
);
2248 SetTextColor(dc
, TextColor
);
2249 SetBkMode( dc
, BkMode
);
2255 /*********************************************************************
2260 static void EDIT_SetCaretPos(HWND hwnd
, EDITSTATE
*es
, INT pos
,
2263 LRESULT res
= EDIT_EM_PosFromChar(hwnd
, es
, pos
, after_wrap
);
2264 SetCaretPos(SLOWORD(res
), SHIWORD(res
));
2268 /*********************************************************************
2272 * note: this is not (exactly) the handler called on EM_SETRECTNP
2273 * it is also used to set the rect of a single line control
2276 static void EDIT_SetRectNP(HWND hwnd
, EDITSTATE
*es
, LPRECT rc
)
2278 CopyRect(&es
->format_rect
, rc
);
2279 if (es
->style
& WS_BORDER
) {
2280 INT bw
= GetSystemMetrics(SM_CXBORDER
) + 1;
2281 if(TWEAK_WineLook
== WIN31_LOOK
)
2283 es
->format_rect
.left
+= bw
;
2284 es
->format_rect
.top
+= bw
;
2285 es
->format_rect
.right
-= bw
;
2286 es
->format_rect
.bottom
-= bw
;
2288 es
->format_rect
.left
+= es
->left_margin
;
2289 es
->format_rect
.right
-= es
->right_margin
;
2290 es
->format_rect
.right
= max(es
->format_rect
.right
, es
->format_rect
.left
+ es
->char_width
);
2291 if (es
->style
& ES_MULTILINE
)
2293 INT fw
, vlc
, max_x_offset
, max_y_offset
;
2295 vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
2296 es
->format_rect
.bottom
= es
->format_rect
.top
+ max(1, vlc
) * es
->line_height
;
2298 /* correct es->x_offset */
2299 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
2300 max_x_offset
= es
->text_width
- fw
;
2301 if(max_x_offset
< 0) max_x_offset
= 0;
2302 if(es
->x_offset
> max_x_offset
)
2303 es
->x_offset
= max_x_offset
;
2305 /* correct es->y_offset */
2306 max_y_offset
= es
->line_count
- vlc
;
2307 if(max_y_offset
< 0) max_y_offset
= 0;
2308 if(es
->y_offset
> max_y_offset
)
2309 es
->y_offset
= max_y_offset
;
2311 /* force scroll info update */
2312 EDIT_UpdateScrollInfo(hwnd
, es
);
2315 /* Windows doesn't care to fix text placement for SL controls */
2316 es
->format_rect
.bottom
= es
->format_rect
.top
+ es
->line_height
;
2318 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_AUTOHSCROLL
))
2319 EDIT_BuildLineDefs_ML(hwnd
, es
, 0, strlenW(es
->text
), 0, (HRGN
)0);
2323 /*********************************************************************
2328 static void EDIT_UnlockBuffer(HWND hwnd
, EDITSTATE
*es
, BOOL force
)
2330 HINSTANCE hInstance
= GetWindowLongA( hwnd
, GWL_HINSTANCE
);
2332 /* Edit window might be already destroyed */
2335 WARN("edit hwnd %04x already destroyed\n", hwnd
);
2340 ERR("no EDITSTATE ... please report\n");
2343 if (!es
->lock_count
) {
2344 ERR("lock_count == 0 ... please report\n");
2348 ERR("es->text == 0 ... please report\n");
2352 if (force
|| (es
->lock_count
== 1)) {
2355 BOOL _16bit
= FALSE
;
2357 UINT countW
= strlenW(es
->text
) + 1;
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
);
2385 TRACE("Synchronizing with 16-bit ANSI buffer\n");
2386 TRACE("%d WCHARs translated to %d bytes\n", countW
, countA_new
);
2387 countA
= LOCAL_Size(hInstance
, es
->hloc16
);
2388 if(countA_new
> countA
)
2390 HLOCAL16 hloc16_new
;
2391 UINT alloc_size
= ROUND_TO_GROW(countA_new
);
2392 TRACE("Resizing 16-bit ANSI buffer from %d to %d bytes\n", countA
, alloc_size
);
2393 hloc16_new
= LOCAL_ReAlloc(hInstance
, es
->hloc16
, alloc_size
, LMEM_MOVEABLE
| LMEM_ZEROINIT
);
2396 es
->hloc16
= hloc16_new
;
2397 countA
= LOCAL_Size(hInstance
, hloc16_new
);
2398 TRACE("Real new size %d bytes\n", countA
);
2401 WARN("FAILED! Will synchronize partially\n");
2403 textA
= LOCAL_Lock(hInstance
, es
->hloc16
);
2409 WideCharToMultiByte(CP_ACP
, 0, es
->text
, countW
, textA
, countA
, NULL
, NULL
);
2411 LOCAL_Unlock(hInstance
, es
->hloc16
);
2413 LocalUnlock(es
->hloc32A
);
2416 LocalUnlock(es
->hloc32W
);
2420 ERR("no buffer ... please report\n");
2428 /*********************************************************************
2430 * EDIT_UpdateScrollInfo
2433 static void EDIT_UpdateScrollInfo(HWND hwnd
, EDITSTATE
*es
)
2435 if ((es
->style
& WS_VSCROLL
) && !(es
->flags
& EF_VSCROLL_TRACK
))
2438 si
.cbSize
= sizeof(SCROLLINFO
);
2439 si
.fMask
= SIF_PAGE
| SIF_POS
| SIF_RANGE
| SIF_DISABLENOSCROLL
;
2441 si
.nMax
= es
->line_count
- 1;
2442 si
.nPage
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
2443 si
.nPos
= es
->y_offset
;
2444 TRACE("SB_VERT, nMin=%d, nMax=%d, nPage=%d, nPos=%d\n",
2445 si
.nMin
, si
.nMax
, si
.nPage
, si
.nPos
);
2446 SetScrollInfo(hwnd
, SB_VERT
, &si
, TRUE
);
2449 if ((es
->style
& WS_HSCROLL
) && !(es
->flags
& EF_HSCROLL_TRACK
))
2452 si
.cbSize
= sizeof(SCROLLINFO
);
2453 si
.fMask
= SIF_PAGE
| SIF_POS
| SIF_RANGE
| SIF_DISABLENOSCROLL
;
2455 si
.nMax
= es
->text_width
- 1;
2456 si
.nPage
= es
->format_rect
.right
- es
->format_rect
.left
;
2457 si
.nPos
= es
->x_offset
;
2458 TRACE("SB_HORZ, nMin=%d, nMax=%d, nPage=%d, nPos=%d\n",
2459 si
.nMin
, si
.nMax
, si
.nPage
, si
.nPos
);
2460 SetScrollInfo(hwnd
, SB_HORZ
, &si
, TRUE
);
2464 /*********************************************************************
2466 * EDIT_WordBreakProc
2468 * Find the beginning of words.
2469 * Note: unlike the specs for a WordBreakProc, this function only
2470 * allows to be called without linebreaks between s[0] upto
2471 * s[count - 1]. Remember it is only called
2472 * internally, so we can decide this for ourselves.
2475 static INT CALLBACK
EDIT_WordBreakProc(LPWSTR s
, INT index
, INT count
, INT action
)
2479 TRACE("s=%p, index=%d, count=%d, action=%d\n", s
, index
, count
, action
);
2489 if (s
[index
] == ' ') {
2490 while (index
&& (s
[index
] == ' '))
2493 while (index
&& (s
[index
] != ' '))
2495 if (s
[index
] == ' ')
2499 while (index
&& (s
[index
] != ' '))
2501 if (s
[index
] == ' ')
2511 if (s
[index
] == ' ')
2512 while ((index
< count
) && (s
[index
] == ' ')) index
++;
2514 while (s
[index
] && (s
[index
] != ' ') && (index
< count
))
2516 while ((s
[index
] == ' ') && (index
< count
)) index
++;
2520 case WB_ISDELIMITER
:
2521 ret
= (s
[index
] == ' ');
2524 ERR("unknown action code, please report !\n");
2531 /*********************************************************************
2535 * returns line number (not index) in high-order word of result.
2536 * NB : Q137805 is unclear about this. POINT * pointer in lParam apply
2537 * to Richedit, not to the edit control. Original documentation is valid.
2538 * FIXME: do the specs mean to return -1 if outside client area or
2539 * if outside formatting rectangle ???
2542 static LRESULT
EDIT_EM_CharFromPos(HWND hwnd
, EDITSTATE
*es
, INT x
, INT y
)
2550 GetClientRect(hwnd
, &rc
);
2551 if (!PtInRect(&rc
, pt
))
2554 index
= EDIT_CharFromPos(hwnd
, es
, x
, y
, NULL
);
2555 return MAKELONG(index
, EDIT_EM_LineFromChar(es
, index
));
2559 /*********************************************************************
2563 * Enable or disable soft breaks.
2565 static BOOL
EDIT_EM_FmtLines(EDITSTATE
*es
, BOOL add_eol
)
2567 es
->flags
&= ~EF_USE_SOFTBRK
;
2569 es
->flags
|= EF_USE_SOFTBRK
;
2570 FIXME("soft break enabled, not implemented\n");
2576 /*********************************************************************
2580 * Hopefully this won't fire back at us.
2581 * We always start with a fixed buffer in the local heap.
2582 * Despite of the documentation says that the local heap is used
2583 * only if DS_LOCALEDIT flag is set, NT and 2000 always allocate
2584 * buffer on the local heap.
2587 static HLOCAL
EDIT_EM_GetHandle(EDITSTATE
*es
)
2591 if (!(es
->style
& ES_MULTILINE
))
2595 hLocal
= es
->hloc32W
;
2601 UINT countA
, alloc_size
;
2602 TRACE("Allocating 32-bit ANSI alias buffer\n");
2603 countA
= WideCharToMultiByte(CP_ACP
, 0, es
->text
, -1, NULL
, 0, NULL
, NULL
);
2604 alloc_size
= ROUND_TO_GROW(countA
);
2605 if(!(es
->hloc32A
= LocalAlloc(LMEM_MOVEABLE
| LMEM_ZEROINIT
, alloc_size
)))
2607 ERR("Could not allocate %d bytes for 32-bit ANSI alias buffer\n", alloc_size
);
2610 textA
= LocalLock(es
->hloc32A
);
2611 WideCharToMultiByte(CP_ACP
, 0, es
->text
, -1, textA
, countA
, NULL
, NULL
);
2612 LocalUnlock(es
->hloc32A
);
2614 hLocal
= es
->hloc32A
;
2617 TRACE("Returning %04X, LocalSize() = %d\n", hLocal
, LocalSize(hLocal
));
2622 /*********************************************************************
2626 * Hopefully this won't fire back at us.
2627 * We always start with a buffer in 32 bit linear memory.
2628 * However, with this message a 16 bit application requests
2629 * a handle of 16 bit local heap memory, where it expects to find
2631 * It's a pitty that from this moment on we have to use this
2632 * local heap, because applications may rely on the handle
2635 * In this function we'll try to switch to local heap.
2637 static HLOCAL16
EDIT_EM_GetHandle16(HWND hwnd
, EDITSTATE
*es
)
2639 HINSTANCE hInstance
= GetWindowLongA( hwnd
, GWL_HINSTANCE
);
2641 UINT countA
, alloc_size
;
2643 if (!(es
->style
& ES_MULTILINE
))
2649 if (!LOCAL_HeapSize(hInstance
)) {
2650 if (!LocalInit16(hInstance
, 0,
2651 GlobalSize16(hInstance
))) {
2652 ERR("could not initialize local heap\n");
2655 TRACE("local heap initialized\n");
2658 countA
= WideCharToMultiByte(CP_ACP
, 0, es
->text
, -1, NULL
, 0, NULL
, NULL
);
2659 alloc_size
= ROUND_TO_GROW(countA
);
2661 TRACE("Allocating 16-bit ANSI alias buffer\n");
2662 if (!(es
->hloc16
= LOCAL_Alloc(hInstance
, LMEM_MOVEABLE
| LMEM_ZEROINIT
, alloc_size
))) {
2663 ERR("could not allocate new 16 bit buffer\n");
2667 if (!(textA
= (LPSTR
)LOCAL_Lock(hInstance
, es
->hloc16
))) {
2668 ERR("could not lock new 16 bit buffer\n");
2669 LOCAL_Free(hInstance
, es
->hloc16
);
2674 WideCharToMultiByte(CP_ACP
, 0, es
->text
, -1, textA
, countA
, NULL
, NULL
);
2675 LOCAL_Unlock(hInstance
, es
->hloc16
);
2677 TRACE("Returning %04X, LocalSize() = %d\n", es
->hloc16
, LOCAL_Size(hInstance
, es
->hloc16
));
2682 /*********************************************************************
2687 static INT
EDIT_EM_GetLine(EDITSTATE
*es
, INT line
, LPARAM lParam
, BOOL unicode
)
2690 INT line_len
, dst_len
;
2693 if (es
->style
& ES_MULTILINE
) {
2694 if (line
>= es
->line_count
)
2698 i
= EDIT_EM_LineIndex(es
, line
);
2700 line_len
= EDIT_EM_LineLength(es
, i
);
2701 dst_len
= *(WORD
*)lParam
;
2704 LPWSTR dst
= (LPWSTR
)lParam
;
2705 if(dst_len
<= line_len
)
2707 memcpy(dst
, src
, dst_len
* sizeof(WCHAR
));
2710 else /* Append 0 if enough space */
2712 memcpy(dst
, src
, line_len
* sizeof(WCHAR
));
2719 LPSTR dst
= (LPSTR
)lParam
;
2721 ret
= WideCharToMultiByte(CP_ACP
, 0, src
, line_len
, dst
, dst_len
, NULL
, NULL
);
2722 if(!ret
) /* Insufficient buffer size */
2724 if(ret
< dst_len
) /* Append 0 if enough space */
2731 /*********************************************************************
2736 static LRESULT
EDIT_EM_GetSel(EDITSTATE
*es
, LPUINT start
, LPUINT end
)
2738 UINT s
= es
->selection_start
;
2739 UINT e
= es
->selection_end
;
2746 return MAKELONG(s
, e
);
2750 /*********************************************************************
2754 * FIXME: is this right ? (or should it be only VSCROLL)
2755 * (and maybe only for edit controls that really have their
2756 * own scrollbars) (and maybe only for multiline controls ?)
2757 * All in all: very poorly documented
2760 static LRESULT
EDIT_EM_GetThumb(HWND hwnd
, EDITSTATE
*es
)
2762 return MAKELONG(EDIT_WM_VScroll(hwnd
, es
, EM_GETTHUMB16
, 0),
2763 EDIT_WM_HScroll(hwnd
, es
, EM_GETTHUMB16
, 0));
2767 /*********************************************************************
2772 static INT
EDIT_EM_LineFromChar(EDITSTATE
*es
, INT index
)
2777 if (!(es
->style
& ES_MULTILINE
))
2779 if (index
> (INT
)strlenW(es
->text
))
2780 return es
->line_count
- 1;
2782 index
= min(es
->selection_start
, es
->selection_end
);
2785 line_def
= es
->first_line_def
;
2786 index
-= line_def
->length
;
2787 while ((index
>= 0) && line_def
->next
) {
2789 line_def
= line_def
->next
;
2790 index
-= line_def
->length
;
2796 /*********************************************************************
2801 static INT
EDIT_EM_LineIndex(EDITSTATE
*es
, INT line
)
2806 if (!(es
->style
& ES_MULTILINE
))
2808 if (line
>= es
->line_count
)
2812 line_def
= es
->first_line_def
;
2814 INT index
= es
->selection_end
- line_def
->length
;
2815 while ((index
>= 0) && line_def
->next
) {
2816 line_index
+= line_def
->length
;
2817 line_def
= line_def
->next
;
2818 index
-= line_def
->length
;
2822 line_index
+= line_def
->length
;
2823 line_def
= line_def
->next
;
2831 /*********************************************************************
2836 static INT
EDIT_EM_LineLength(EDITSTATE
*es
, INT index
)
2840 if (!(es
->style
& ES_MULTILINE
))
2841 return strlenW(es
->text
);
2844 /* get the number of remaining non-selected chars of selected lines */
2845 INT32 l
; /* line number */
2846 INT32 li
; /* index of first char in line */
2848 l
= EDIT_EM_LineFromChar(es
, es
->selection_start
);
2849 /* # chars before start of selection area */
2850 count
= es
->selection_start
- EDIT_EM_LineIndex(es
, l
);
2851 l
= EDIT_EM_LineFromChar(es
, es
->selection_end
);
2852 /* # chars after end of selection */
2853 li
= EDIT_EM_LineIndex(es
, l
);
2854 count
+= li
+ EDIT_EM_LineLength(es
, li
) - es
->selection_end
;
2857 line_def
= es
->first_line_def
;
2858 index
-= line_def
->length
;
2859 while ((index
>= 0) && line_def
->next
) {
2860 line_def
= line_def
->next
;
2861 index
-= line_def
->length
;
2863 return line_def
->net_length
;
2867 /*********************************************************************
2871 * NOTE: dx is in average character widths, dy - in lines;
2874 static BOOL
EDIT_EM_LineScroll(HWND hwnd
, EDITSTATE
*es
, INT dx
, INT dy
)
2876 if (!(es
->style
& ES_MULTILINE
))
2879 dx
*= es
->char_width
;
2880 return EDIT_EM_LineScroll_internal(hwnd
, es
, dx
, dy
);
2883 /*********************************************************************
2885 * EDIT_EM_LineScroll_internal
2887 * Version of EDIT_EM_LineScroll for internal use.
2888 * It doesn't refuse if ES_MULTILINE is set and assumes that
2889 * dx is in pixels, dy - in lines.
2892 static BOOL
EDIT_EM_LineScroll_internal(HWND hwnd
, EDITSTATE
*es
, INT dx
, INT dy
)
2895 INT x_offset_in_pixels
;
2897 if (es
->style
& ES_MULTILINE
)
2899 x_offset_in_pixels
= es
->x_offset
;
2904 x_offset_in_pixels
= SLOWORD(EDIT_EM_PosFromChar(hwnd
, es
, es
->x_offset
, FALSE
));
2907 if (-dx
> x_offset_in_pixels
)
2908 dx
= -x_offset_in_pixels
;
2909 if (dx
> es
->text_width
- x_offset_in_pixels
)
2910 dx
= es
->text_width
- x_offset_in_pixels
;
2911 nyoff
= max(0, es
->y_offset
+ dy
);
2912 if (nyoff
>= es
->line_count
)
2913 nyoff
= es
->line_count
- 1;
2914 dy
= (es
->y_offset
- nyoff
) * es
->line_height
;
2919 es
->y_offset
= nyoff
;
2920 if(es
->style
& ES_MULTILINE
)
2923 es
->x_offset
+= dx
/ es
->char_width
;
2925 GetClientRect(hwnd
, &rc1
);
2926 IntersectRect(&rc
, &rc1
, &es
->format_rect
);
2927 ScrollWindowEx(hwnd
, -dx
, dy
,
2928 NULL
, &rc
, (HRGN
)NULL
, NULL
, SW_INVALIDATE
);
2929 /* force scroll info update */
2930 EDIT_UpdateScrollInfo(hwnd
, es
);
2932 if (dx
&& !(es
->flags
& EF_HSCROLL_TRACK
))
2933 EDIT_NOTIFY_PARENT(hwnd
, es
, EN_HSCROLL
, "EN_HSCROLL");
2934 if (dy
&& !(es
->flags
& EF_VSCROLL_TRACK
))
2935 EDIT_NOTIFY_PARENT(hwnd
, es
, EN_VSCROLL
, "EN_VSCROLL");
2940 /*********************************************************************
2945 static LRESULT
EDIT_EM_PosFromChar(HWND hwnd
, EDITSTATE
*es
, INT index
, BOOL after_wrap
)
2947 INT len
= strlenW(es
->text
);
2956 index
= min(index
, len
);
2959 old_font
= SelectObject(dc
, es
->font
);
2960 if (es
->style
& ES_MULTILINE
) {
2961 l
= EDIT_EM_LineFromChar(es
, index
);
2962 y
= (l
- es
->y_offset
) * es
->line_height
;
2963 li
= EDIT_EM_LineIndex(es
, l
);
2964 if (after_wrap
&& (li
== index
) && l
) {
2966 LINEDEF
*line_def
= es
->first_line_def
;
2968 line_def
= line_def
->next
;
2971 if (line_def
->ending
== END_WRAP
) {
2973 y
-= es
->line_height
;
2974 li
= EDIT_EM_LineIndex(es
, l
);
2977 x
= LOWORD(GetTabbedTextExtentW(dc
, es
->text
+ li
, index
- li
,
2978 es
->tabs_count
, es
->tabs
)) - es
->x_offset
;
2980 LPWSTR text
= EDIT_GetPasswordPointer_SL(es
);
2981 if (index
< es
->x_offset
) {
2982 GetTextExtentPoint32W(dc
, text
+ index
,
2983 es
->x_offset
- index
, &size
);
2986 GetTextExtentPoint32W(dc
, text
+ es
->x_offset
,
2987 index
- es
->x_offset
, &size
);
2991 if (es
->style
& ES_PASSWORD
)
2992 HeapFree(GetProcessHeap(), 0, text
);
2994 x
+= es
->format_rect
.left
;
2995 y
+= es
->format_rect
.top
;
2997 SelectObject(dc
, old_font
);
2998 ReleaseDC(hwnd
, dc
);
2999 return MAKELONG((INT16
)x
, (INT16
)y
);
3003 /*********************************************************************
3007 * FIXME: handle ES_NUMBER and ES_OEMCONVERT here
3010 static void EDIT_EM_ReplaceSel(HWND hwnd
, EDITSTATE
*es
, BOOL can_undo
, LPCWSTR lpsz_replace
, BOOL send_update
)
3012 UINT strl
= strlenW(lpsz_replace
);
3013 UINT tl
= strlenW(es
->text
);
3021 TRACE("%s, can_undo %d, send_update %d\n",
3022 debugstr_w(lpsz_replace
), can_undo
, send_update
);
3024 s
= es
->selection_start
;
3025 e
= es
->selection_end
;
3027 if ((s
== e
) && !strl
)
3032 if (!EDIT_MakeFit(hwnd
, es
, tl
- (e
- s
) + strl
))
3036 /* there is something to be deleted */
3037 TRACE("deleting stuff.\n");
3039 utl
= strlenW(es
->undo_text
);
3040 if (!es
->undo_insert_count
&& (*es
->undo_text
&& (s
== es
->undo_position
))) {
3041 /* undo-buffer is extended to the right */
3042 EDIT_MakeUndoFit(es
, utl
+ e
- s
);
3043 strncpyW(es
->undo_text
+ utl
, es
->text
+ s
, e
- s
+ 1);
3044 (es
->undo_text
+ utl
)[e
- s
] = 0; /* ensure 0 termination */
3045 } else if (!es
->undo_insert_count
&& (*es
->undo_text
&& (e
== es
->undo_position
))) {
3046 /* undo-buffer is extended to the left */
3047 EDIT_MakeUndoFit(es
, utl
+ e
- s
);
3048 for (p
= es
->undo_text
+ utl
; p
>= es
->undo_text
; p
--)
3050 for (i
= 0 , p
= es
->undo_text
; i
< e
- s
; i
++)
3051 p
[i
] = (es
->text
+ s
)[i
];
3052 es
->undo_position
= s
;
3054 /* new undo-buffer */
3055 EDIT_MakeUndoFit(es
, e
- s
);
3056 strncpyW(es
->undo_text
, es
->text
+ s
, e
- s
+ 1);
3057 es
->undo_text
[e
- s
] = 0; /* ensure 0 termination */
3058 es
->undo_position
= s
;
3060 /* any deletion makes the old insertion-undo invalid */
3061 es
->undo_insert_count
= 0;
3063 EDIT_EM_EmptyUndoBuffer(es
);
3066 strcpyW(es
->text
+ s
, es
->text
+ e
);
3069 /* there is an insertion */
3071 if ((s
== es
->undo_position
) ||
3072 ((es
->undo_insert_count
) &&
3073 (s
== es
->undo_position
+ es
->undo_insert_count
)))
3075 * insertion is new and at delete position or
3076 * an extension to either left or right
3078 es
->undo_insert_count
+= strl
;
3080 /* new insertion undo */
3081 es
->undo_position
= s
;
3082 es
->undo_insert_count
= strl
;
3083 /* new insertion makes old delete-buffer invalid */
3084 *es
->undo_text
= '\0';
3087 EDIT_EM_EmptyUndoBuffer(es
);
3090 tl
= strlenW(es
->text
);
3091 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
));
3092 for (p
= es
->text
+ tl
; p
>= es
->text
+ s
; p
--)
3094 for (i
= 0 , p
= es
->text
+ s
; i
< strl
; i
++)
3095 p
[i
] = lpsz_replace
[i
];
3096 if(es
->style
& ES_UPPERCASE
)
3097 CharUpperBuffW(p
, strl
);
3098 else if(es
->style
& ES_LOWERCASE
)
3099 CharLowerBuffW(p
, strl
);
3102 if (es
->style
& ES_MULTILINE
)
3104 INT s
= min(es
->selection_start
, es
->selection_end
);
3106 hrgn
= CreateRectRgn(0, 0, 0, 0);
3107 EDIT_BuildLineDefs_ML(hwnd
, es
, s
, s
+ strl
,
3108 strl
- abs(es
->selection_end
- es
->selection_start
), hrgn
);
3111 EDIT_CalcLineWidth_SL(hwnd
, es
);
3113 EDIT_EM_SetSel(hwnd
, es
, s
, s
, FALSE
);
3114 es
->flags
|= EF_MODIFIED
;
3115 if (send_update
) es
->flags
|= EF_UPDATE
;
3116 EDIT_EM_ScrollCaret(hwnd
, es
);
3118 /* force scroll info update */
3119 EDIT_UpdateScrollInfo(hwnd
, es
);
3123 EDIT_UpdateTextRegion(hwnd
, es
, hrgn
, TRUE
);
3127 EDIT_UpdateText(hwnd
, es
, NULL
, TRUE
);
3129 if(es
->flags
& EF_UPDATE
)
3131 es
->flags
&= ~EF_UPDATE
;
3132 EDIT_NOTIFY_PARENT(hwnd
, es
, EN_CHANGE
, "EN_CHANGE");
3137 /*********************************************************************
3142 static LRESULT
EDIT_EM_Scroll(HWND hwnd
, EDITSTATE
*es
, INT action
)
3146 if (!(es
->style
& ES_MULTILINE
))
3147 return (LRESULT
)FALSE
;
3157 if (es
->y_offset
< es
->line_count
- 1)
3162 dy
= -(es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
3165 if (es
->y_offset
< es
->line_count
- 1)
3166 dy
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
3169 return (LRESULT
)FALSE
;
3172 INT vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
3173 /* check if we are going to move too far */
3174 if(es
->y_offset
+ dy
> es
->line_count
- vlc
)
3175 dy
= es
->line_count
- vlc
- es
->y_offset
;
3177 /* Notification is done in EDIT_EM_LineScroll */
3179 EDIT_EM_LineScroll(hwnd
, es
, 0, dy
);
3181 return MAKELONG((INT16
)dy
, (BOOL16
)TRUE
);
3185 /*********************************************************************
3190 static void EDIT_EM_ScrollCaret(HWND hwnd
, EDITSTATE
*es
)
3192 if (es
->style
& ES_MULTILINE
) {
3197 INT cw
= es
->char_width
;
3202 l
= EDIT_EM_LineFromChar(es
, es
->selection_end
);
3203 li
= EDIT_EM_LineIndex(es
, l
);
3204 x
= SLOWORD(EDIT_EM_PosFromChar(hwnd
, es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
));
3205 vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
3206 if (l
>= es
->y_offset
+ vlc
)
3207 dy
= l
- vlc
+ 1 - es
->y_offset
;
3208 if (l
< es
->y_offset
)
3209 dy
= l
- es
->y_offset
;
3210 ww
= es
->format_rect
.right
- es
->format_rect
.left
;
3211 if (x
< es
->format_rect
.left
)
3212 dx
= x
- es
->format_rect
.left
- ww
/ HSCROLL_FRACTION
/ cw
* cw
;
3213 if (x
> es
->format_rect
.right
)
3214 dx
= x
- es
->format_rect
.left
- (HSCROLL_FRACTION
- 1) * ww
/ HSCROLL_FRACTION
/ cw
* cw
;
3217 /* check if we are going to move too far */
3218 if(es
->x_offset
+ dx
+ ww
> es
->text_width
)
3219 dx
= es
->text_width
- ww
- es
->x_offset
;
3221 EDIT_EM_LineScroll_internal(hwnd
, es
, dx
, dy
);
3228 if (!(es
->style
& ES_AUTOHSCROLL
))
3231 x
= SLOWORD(EDIT_EM_PosFromChar(hwnd
, es
, es
->selection_end
, FALSE
));
3232 format_width
= es
->format_rect
.right
- es
->format_rect
.left
;
3233 if (x
< es
->format_rect
.left
) {
3234 goal
= es
->format_rect
.left
+ format_width
/ HSCROLL_FRACTION
;
3237 x
= SLOWORD(EDIT_EM_PosFromChar(hwnd
, es
, es
->selection_end
, FALSE
));
3238 } while ((x
< goal
) && es
->x_offset
);
3239 /* FIXME: use ScrollWindow() somehow to improve performance */
3240 EDIT_UpdateText(hwnd
, es
, NULL
, TRUE
);
3241 } else if (x
> es
->format_rect
.right
) {
3243 INT len
= strlenW(es
->text
);
3244 goal
= es
->format_rect
.right
- format_width
/ HSCROLL_FRACTION
;
3247 x
= SLOWORD(EDIT_EM_PosFromChar(hwnd
, es
, es
->selection_end
, FALSE
));
3248 x_last
= SLOWORD(EDIT_EM_PosFromChar(hwnd
, es
, len
, FALSE
));
3249 } while ((x
> goal
) && (x_last
> es
->format_rect
.right
));
3250 /* FIXME: use ScrollWindow() somehow to improve performance */
3251 EDIT_UpdateText(hwnd
, es
, NULL
, TRUE
);
3255 if(es
->flags
& EF_FOCUSED
)
3256 EDIT_SetCaretPos(hwnd
, es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
);
3260 /*********************************************************************
3264 * FIXME: ES_LOWERCASE, ES_UPPERCASE, ES_OEMCONVERT, ES_NUMBER ???
3267 static void EDIT_EM_SetHandle(HWND hwnd
, EDITSTATE
*es
, HLOCAL hloc
)
3269 HINSTANCE hInstance
= GetWindowLongA( hwnd
, GWL_HINSTANCE
);
3271 if (!(es
->style
& ES_MULTILINE
))
3275 WARN("called with NULL handle\n");
3279 EDIT_UnlockBuffer(hwnd
, es
, TRUE
);
3283 LOCAL_Free(hInstance
, es
->hloc16
);
3284 es
->hloc16
= (HLOCAL16
)NULL
;
3291 LocalFree(es
->hloc32A
);
3292 es
->hloc32A
= (HLOCAL
)NULL
;
3303 countA
= LocalSize(hloc
);
3304 textA
= LocalLock(hloc
);
3305 countW
= MultiByteToWideChar(CP_ACP
, 0, textA
, countA
, NULL
, 0);
3306 if(!(hloc32W_new
= LocalAlloc(LMEM_MOVEABLE
| LMEM_ZEROINIT
, countW
* sizeof(WCHAR
))))
3308 ERR("Could not allocate new unicode buffer\n");
3311 textW
= LocalLock(hloc32W_new
);
3312 MultiByteToWideChar(CP_ACP
, 0, textA
, countA
, textW
, countW
);
3313 LocalUnlock(hloc32W_new
);
3317 LocalFree(es
->hloc32W
);
3319 es
->hloc32W
= hloc32W_new
;
3323 es
->buffer_size
= LocalSize(es
->hloc32W
)/sizeof(WCHAR
) - 1;
3325 EDIT_LockBuffer(hwnd
, es
);
3327 es
->x_offset
= es
->y_offset
= 0;
3328 es
->selection_start
= es
->selection_end
= 0;
3329 EDIT_EM_EmptyUndoBuffer(es
);
3330 es
->flags
&= ~EF_MODIFIED
;
3331 es
->flags
&= ~EF_UPDATE
;
3332 EDIT_BuildLineDefs_ML(hwnd
, es
, 0, strlenW(es
->text
), 0, (HRGN
)0);
3333 EDIT_UpdateText(hwnd
, es
, NULL
, TRUE
);
3334 EDIT_EM_ScrollCaret(hwnd
, es
);
3335 /* force scroll info update */
3336 EDIT_UpdateScrollInfo(hwnd
, es
);
3340 /*********************************************************************
3344 * FIXME: ES_LOWERCASE, ES_UPPERCASE, ES_OEMCONVERT, ES_NUMBER ???
3347 static void EDIT_EM_SetHandle16(HWND hwnd
, EDITSTATE
*es
, HLOCAL16 hloc
)
3349 HINSTANCE hInstance
= GetWindowLongA( hwnd
, GWL_HINSTANCE
);
3355 if (!(es
->style
& ES_MULTILINE
))
3359 WARN("called with NULL handle\n");
3363 EDIT_UnlockBuffer(hwnd
, es
, TRUE
);
3367 LocalFree(es
->hloc32A
);
3368 es
->hloc32A
= (HLOCAL
)NULL
;
3371 countA
= LOCAL_Size(hInstance
, hloc
);
3372 textA
= LOCAL_Lock(hInstance
, hloc
);
3373 countW
= MultiByteToWideChar(CP_ACP
, 0, textA
, countA
, NULL
, 0);
3374 if(!(hloc32W_new
= LocalAlloc(LMEM_MOVEABLE
| LMEM_ZEROINIT
, countW
* sizeof(WCHAR
))))
3376 ERR("Could not allocate new unicode buffer\n");
3379 textW
= LocalLock(hloc32W_new
);
3380 MultiByteToWideChar(CP_ACP
, 0, textA
, countA
, textW
, countW
);
3381 LocalUnlock(hloc32W_new
);
3382 LOCAL_Unlock(hInstance
, hloc
);
3385 LocalFree(es
->hloc32W
);
3387 es
->hloc32W
= hloc32W_new
;
3390 es
->buffer_size
= LocalSize(es
->hloc32W
)/sizeof(WCHAR
) - 1;
3392 EDIT_LockBuffer(hwnd
, es
);
3394 es
->x_offset
= es
->y_offset
= 0;
3395 es
->selection_start
= es
->selection_end
= 0;
3396 EDIT_EM_EmptyUndoBuffer(es
);
3397 es
->flags
&= ~EF_MODIFIED
;
3398 es
->flags
&= ~EF_UPDATE
;
3399 EDIT_BuildLineDefs_ML(hwnd
, es
, 0, strlenW(es
->text
), 0, (HRGN
)0);
3400 EDIT_UpdateText(hwnd
, es
, NULL
, TRUE
);
3401 EDIT_EM_ScrollCaret(hwnd
, es
);
3402 /* force scroll info update */
3403 EDIT_UpdateScrollInfo(hwnd
, es
);
3407 /*********************************************************************
3411 * FIXME: in WinNT maxsize is 0x7FFFFFFF / 0xFFFFFFFF
3412 * However, the windows version is not complied to yet in all of edit.c
3415 static void EDIT_EM_SetLimitText(EDITSTATE
*es
, INT limit
)
3417 if (es
->style
& ES_MULTILINE
) {
3419 es
->buffer_limit
= min(limit
, BUFLIMIT_MULTI
);
3421 es
->buffer_limit
= BUFLIMIT_MULTI
;
3424 es
->buffer_limit
= min(limit
, BUFLIMIT_SINGLE
);
3426 es
->buffer_limit
= BUFLIMIT_SINGLE
;
3431 /*********************************************************************
3435 * EC_USEFONTINFO is used as a left or right value i.e. lParam and not as an
3436 * action wParam despite what the docs say. EC_USEFONTINFO means one third
3437 * of the char's width, according to the new docs.
3440 static void EDIT_EM_SetMargins(EDITSTATE
*es
, INT action
,
3441 INT left
, INT right
)
3443 if (action
& EC_LEFTMARGIN
) {
3444 if (left
!= EC_USEFONTINFO
)
3445 es
->left_margin
= left
;
3447 es
->left_margin
= es
->char_width
/ 3;
3450 if (action
& EC_RIGHTMARGIN
) {
3451 if (right
!= EC_USEFONTINFO
)
3452 es
->right_margin
= right
;
3454 es
->right_margin
= es
->char_width
/ 3;
3456 TRACE("left=%d, right=%d\n", es
->left_margin
, es
->right_margin
);
3460 /*********************************************************************
3462 * EM_SETPASSWORDCHAR
3465 static void EDIT_EM_SetPasswordChar(HWND hwnd
, EDITSTATE
*es
, WCHAR c
)
3469 if (es
->style
& ES_MULTILINE
)
3472 if (es
->password_char
== c
)
3475 style
= GetWindowLongA( hwnd
, GWL_STYLE
);
3476 es
->password_char
= c
;
3478 SetWindowLongA( hwnd
, GWL_STYLE
, style
| ES_PASSWORD
);
3479 es
->style
|= ES_PASSWORD
;
3481 SetWindowLongA( hwnd
, GWL_STYLE
, style
& ~ES_PASSWORD
);
3482 es
->style
&= ~ES_PASSWORD
;
3484 EDIT_UpdateText(hwnd
, es
, NULL
, TRUE
);
3488 /*********************************************************************
3492 * note: unlike the specs say: the order of start and end
3493 * _is_ preserved in Windows. (i.e. start can be > end)
3494 * In other words: this handler is OK
3497 static void EDIT_EM_SetSel(HWND hwnd
, EDITSTATE
*es
, UINT start
, UINT end
, BOOL after_wrap
)
3499 UINT old_start
= es
->selection_start
;
3500 UINT old_end
= es
->selection_end
;
3501 UINT len
= strlenW(es
->text
);
3503 if (start
== (UINT
)-1) {
3504 start
= es
->selection_end
;
3505 end
= es
->selection_end
;
3507 start
= min(start
, len
);
3508 end
= min(end
, len
);
3510 es
->selection_start
= start
;
3511 es
->selection_end
= end
;
3513 es
->flags
|= EF_AFTER_WRAP
;
3515 es
->flags
&= ~EF_AFTER_WRAP
;
3516 /* This is a little bit more efficient than before, not sure if it can be improved. FIXME? */
3517 ORDER_UINT(start
, end
);
3518 ORDER_UINT(end
, old_end
);
3519 ORDER_UINT(start
, old_start
);
3520 ORDER_UINT(old_start
, old_end
);
3521 if (end
!= old_start
)
3525 * ORDER_UINT32(end, old_start);
3526 * EDIT_InvalidateText(hwnd, es, start, end);
3527 * EDIT_InvalidateText(hwnd, es, old_start, old_end);
3528 * in place of the following if statement.
3530 if (old_start
> end
)
3532 EDIT_InvalidateText(hwnd
, es
, start
, end
);
3533 EDIT_InvalidateText(hwnd
, es
, old_start
, old_end
);
3537 EDIT_InvalidateText(hwnd
, es
, start
, old_start
);
3538 EDIT_InvalidateText(hwnd
, es
, end
, old_end
);
3541 else EDIT_InvalidateText(hwnd
, es
, start
, old_end
);
3545 /*********************************************************************
3550 static BOOL
EDIT_EM_SetTabStops(EDITSTATE
*es
, INT count
, LPINT tabs
)
3552 if (!(es
->style
& ES_MULTILINE
))
3555 HeapFree(GetProcessHeap(), 0, es
->tabs
);
3556 es
->tabs_count
= count
;
3560 es
->tabs
= HeapAlloc(GetProcessHeap(), 0, count
* sizeof(INT
));
3561 memcpy(es
->tabs
, tabs
, count
* sizeof(INT
));
3567 /*********************************************************************
3572 static BOOL
EDIT_EM_SetTabStops16(EDITSTATE
*es
, INT count
, LPINT16 tabs
)
3574 if (!(es
->style
& ES_MULTILINE
))
3577 HeapFree(GetProcessHeap(), 0, es
->tabs
);
3578 es
->tabs_count
= count
;
3583 es
->tabs
= HeapAlloc(GetProcessHeap(), 0, count
* sizeof(INT
));
3584 for (i
= 0 ; i
< count
; i
++)
3585 es
->tabs
[i
] = *tabs
++;
3591 /*********************************************************************
3593 * EM_SETWORDBREAKPROC
3596 static void EDIT_EM_SetWordBreakProc(HWND hwnd
, EDITSTATE
*es
, LPARAM lParam
)
3598 if (es
->word_break_proc
== (void *)lParam
)
3601 es
->word_break_proc
= (void *)lParam
;
3602 es
->word_break_proc16
= NULL
;
3604 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_AUTOHSCROLL
)) {
3605 EDIT_BuildLineDefs_ML(hwnd
, es
, 0, strlenW(es
->text
), 0, (HRGN
)0);
3606 EDIT_UpdateText(hwnd
, es
, NULL
, TRUE
);
3611 /*********************************************************************
3613 * EM_SETWORDBREAKPROC16
3616 static void EDIT_EM_SetWordBreakProc16(HWND hwnd
, EDITSTATE
*es
, EDITWORDBREAKPROC16 wbp
)
3618 if (es
->word_break_proc16
== wbp
)
3621 es
->word_break_proc
= NULL
;
3622 es
->word_break_proc16
= wbp
;
3623 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_AUTOHSCROLL
)) {
3624 EDIT_BuildLineDefs_ML(hwnd
, es
, 0, strlenW(es
->text
), 0, (HRGN
)0);
3625 EDIT_UpdateText(hwnd
, es
, NULL
, TRUE
);
3630 /*********************************************************************
3635 static BOOL
EDIT_EM_Undo(HWND hwnd
, EDITSTATE
*es
)
3640 /* Protect read-only edit control from modification */
3641 if(es
->style
& ES_READONLY
)
3644 ulength
= strlenW(es
->undo_text
);
3645 utext
= HeapAlloc(GetProcessHeap(), 0, (ulength
+ 1) * sizeof(WCHAR
));
3647 strcpyW(utext
, es
->undo_text
);
3649 TRACE("before UNDO:insertion length = %d, deletion buffer = %s\n",
3650 es
->undo_insert_count
, debugstr_w(utext
));
3652 EDIT_EM_SetSel(hwnd
, es
, es
->undo_position
, es
->undo_position
+ es
->undo_insert_count
, FALSE
);
3653 EDIT_EM_EmptyUndoBuffer(es
);
3654 EDIT_EM_ReplaceSel(hwnd
, es
, TRUE
, utext
, FALSE
);
3655 EDIT_EM_SetSel(hwnd
, es
, es
->undo_position
, es
->undo_position
+ es
->undo_insert_count
, FALSE
);
3656 /* send the notification after the selection start and end are set */
3657 EDIT_NOTIFY_PARENT(hwnd
, es
, EN_CHANGE
, "EN_CHANGE");
3658 EDIT_EM_ScrollCaret(hwnd
, es
);
3659 HeapFree(GetProcessHeap(), 0, utext
);
3661 TRACE("after UNDO:insertion length = %d, deletion buffer = %s\n",
3662 es
->undo_insert_count
, debugstr_w(es
->undo_text
));
3667 /*********************************************************************
3672 static void EDIT_WM_Char(HWND hwnd
, EDITSTATE
*es
, WCHAR c
)
3676 /* Protect read-only edit control from modification */
3677 if(es
->style
& ES_READONLY
)
3680 control
= GetKeyState(VK_CONTROL
) & 0x8000;
3684 /* If the edit doesn't want the return and it's not a multiline edit, do nothing */
3685 if(!(es
->style
& ES_MULTILINE
) && !(es
->style
& ES_WANTRETURN
))
3688 if (es
->style
& ES_MULTILINE
) {
3689 if (es
->style
& ES_READONLY
) {
3690 EDIT_MoveHome(hwnd
, es
, FALSE
);
3691 EDIT_MoveDown_ML(hwnd
, es
, FALSE
);
3693 static const WCHAR cr_lfW
[] = {'\r','\n',0};
3694 EDIT_EM_ReplaceSel(hwnd
, es
, TRUE
, cr_lfW
, TRUE
);
3699 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_READONLY
))
3701 static const WCHAR tabW
[] = {'\t',0};
3702 EDIT_EM_ReplaceSel(hwnd
, es
, TRUE
, tabW
, TRUE
);
3706 if (!(es
->style
& ES_READONLY
) && !control
) {
3707 if (es
->selection_start
!= es
->selection_end
)
3708 EDIT_WM_Clear(hwnd
, es
);
3710 /* delete character left of caret */
3711 EDIT_EM_SetSel(hwnd
, es
, (UINT
)-1, 0, FALSE
);
3712 EDIT_MoveBackward(hwnd
, es
, TRUE
);
3713 EDIT_WM_Clear(hwnd
, es
);
3718 SendMessageW(hwnd
, WM_COPY
, 0, 0);
3721 SendMessageW(hwnd
, WM_PASTE
, 0, 0);
3724 SendMessageW(hwnd
, WM_CUT
, 0, 0);
3728 if (!(es
->style
& ES_READONLY
) && (c
>= ' ') && (c
!= 127)) {
3732 EDIT_EM_ReplaceSel(hwnd
, es
, TRUE
, str
, TRUE
);
3739 /*********************************************************************
3744 static void EDIT_WM_Command(HWND hwnd
, EDITSTATE
*es
, INT code
, INT id
, HWND control
)
3746 if (code
|| control
)
3751 EDIT_EM_Undo(hwnd
, es
);
3754 EDIT_WM_Cut(hwnd
, es
);
3757 EDIT_WM_Copy(hwnd
, es
);
3760 EDIT_WM_Paste(hwnd
, es
);
3763 EDIT_WM_Clear(hwnd
, es
);
3766 EDIT_EM_SetSel(hwnd
, es
, 0, (UINT
)-1, FALSE
);
3767 EDIT_EM_ScrollCaret(hwnd
, es
);
3770 ERR("unknown menu item, please report\n");
3776 /*********************************************************************
3780 * Note: the resource files resource/sysres_??.rc cannot define a
3781 * single popup menu. Hence we use a (dummy) menubar
3782 * containing the single popup menu as its first item.
3784 * FIXME: the message identifiers have been chosen arbitrarily,
3785 * hence we use MF_BYPOSITION.
3786 * We might as well use the "real" values (anybody knows ?)
3787 * The menu definition is in resources/sysres_??.rc.
3788 * Once these are OK, we better use MF_BYCOMMAND here
3789 * (as we do in EDIT_WM_Command()).
3792 static void EDIT_WM_ContextMenu(HWND hwnd
, EDITSTATE
*es
, INT x
, INT y
)
3794 HMENU menu
= LoadMenuA(GetModuleHandleA("USER32"), "EDITMENU");
3795 HMENU popup
= GetSubMenu(menu
, 0);
3796 UINT start
= es
->selection_start
;
3797 UINT end
= es
->selection_end
;
3799 ORDER_UINT(start
, end
);
3802 EnableMenuItem(popup
, 0, MF_BYPOSITION
| (EDIT_EM_CanUndo(es
) && !(es
->style
& ES_READONLY
) ? MF_ENABLED
: MF_GRAYED
));
3804 EnableMenuItem(popup
, 2, MF_BYPOSITION
| ((end
- start
) && !(es
->style
& ES_PASSWORD
) && !(es
->style
& ES_READONLY
) ? MF_ENABLED
: MF_GRAYED
));
3806 EnableMenuItem(popup
, 3, MF_BYPOSITION
| ((end
- start
) && !(es
->style
& ES_PASSWORD
) ? MF_ENABLED
: MF_GRAYED
));
3808 EnableMenuItem(popup
, 4, MF_BYPOSITION
| (IsClipboardFormatAvailable(CF_UNICODETEXT
) && !(es
->style
& ES_READONLY
) ? MF_ENABLED
: MF_GRAYED
));
3810 EnableMenuItem(popup
, 5, MF_BYPOSITION
| ((end
- start
) && !(es
->style
& ES_READONLY
) ? MF_ENABLED
: MF_GRAYED
));
3812 EnableMenuItem(popup
, 7, MF_BYPOSITION
| (start
|| (end
!= strlenW(es
->text
)) ? MF_ENABLED
: MF_GRAYED
));
3814 TrackPopupMenu(popup
, TPM_LEFTALIGN
| TPM_RIGHTBUTTON
, x
, y
, 0, hwnd
, NULL
);
3819 /*********************************************************************
3824 static void EDIT_WM_Copy(HWND hwnd
, EDITSTATE
*es
)
3826 INT s
= es
->selection_start
;
3827 INT e
= es
->selection_end
;
3834 hdst
= GlobalAlloc(GMEM_MOVEABLE
| GMEM_DDESHARE
, (DWORD
)(e
- s
+ 1) * sizeof(WCHAR
));
3835 dst
= GlobalLock(hdst
);
3836 strncpyW(dst
, es
->text
+ s
, e
- s
);
3837 dst
[e
- s
] = 0; /* ensure 0 termination */
3838 TRACE("%s\n", debugstr_w(dst
));
3840 OpenClipboard(hwnd
);
3842 SetClipboardData(CF_UNICODETEXT
, hdst
);
3847 /*********************************************************************
3852 static LRESULT
EDIT_WM_Create(HWND hwnd
, EDITSTATE
*es
, LPCWSTR name
)
3854 TRACE("%s\n", debugstr_w(name
));
3856 * To initialize some final structure members, we call some helper
3857 * functions. However, since the EDITSTATE is not consistent (i.e.
3858 * not fully initialized), we should be very careful which
3859 * functions can be called, and in what order.
3861 EDIT_WM_SetFont(hwnd
, es
, 0, FALSE
);
3862 EDIT_EM_EmptyUndoBuffer(es
);
3864 if (name
&& *name
) {
3865 EDIT_EM_ReplaceSel(hwnd
, es
, FALSE
, name
, FALSE
);
3866 /* if we insert text to the editline, the text scrolls out
3867 * of the window, as the caret is placed after the insert
3868 * pos normally; thus we reset es->selection... to 0 and
3871 es
->selection_start
= es
->selection_end
= 0;
3872 /* send the notification after the selection start and end are set */
3873 EDIT_NOTIFY_PARENT(hwnd
, es
, EN_CHANGE
, "EN_CHANGE");
3874 EDIT_EM_ScrollCaret(hwnd
, es
);
3876 /* force scroll info update */
3877 EDIT_UpdateScrollInfo(hwnd
, es
);
3882 /*********************************************************************
3887 static void EDIT_WM_Destroy(HWND hwnd
, EDITSTATE
*es
)
3889 HINSTANCE hInstance
= GetWindowLongA( hwnd
, GWL_HINSTANCE
);
3893 while (LocalUnlock(es
->hloc32W
)) ;
3894 LocalFree(es
->hloc32W
);
3897 while (LocalUnlock(es
->hloc32A
)) ;
3898 LocalFree(es
->hloc32A
);
3901 while (LOCAL_Unlock(hInstance
, es
->hloc16
)) ;
3902 LOCAL_Free(hInstance
, es
->hloc16
);
3905 pc
= es
->first_line_def
;
3909 HeapFree(GetProcessHeap(), 0, pc
);
3913 SetWindowLongA( hwnd
, 0, 0 );
3914 HeapFree(GetProcessHeap(), 0, es
);
3918 /*********************************************************************
3923 static LRESULT
EDIT_WM_EraseBkGnd(HWND hwnd
, EDITSTATE
*es
, HDC dc
)
3928 if ( get_app_version() >= 0x40000 &&(
3929 !es
->bEnableState
|| (es
->style
& ES_READONLY
)))
3930 brush
= (HBRUSH
)EDIT_SEND_CTLCOLORSTATIC(hwnd
, dc
);
3932 brush
= (HBRUSH
)EDIT_SEND_CTLCOLOR(hwnd
, dc
);
3935 brush
= (HBRUSH
)GetStockObject(WHITE_BRUSH
);
3937 GetClientRect(hwnd
, &rc
);
3938 IntersectClipRect(dc
, rc
.left
, rc
.top
, rc
.right
, rc
.bottom
);
3939 GetClipBox(dc
, &rc
);
3941 * FIXME: specs say that we should UnrealizeObject() the brush,
3942 * but the specs of UnrealizeObject() say that we shouldn't
3943 * unrealize a stock object. The default brush that
3944 * DefWndProc() returns is ... a stock object.
3946 FillRect(dc
, &rc
, brush
);
3951 /*********************************************************************
3956 static INT
EDIT_WM_GetText(EDITSTATE
*es
, INT count
, LPARAM lParam
, BOOL unicode
)
3958 if(!count
) return 0;
3962 LPWSTR textW
= (LPWSTR
)lParam
;
3963 strncpyW(textW
, es
->text
, count
);
3964 textW
[count
- 1] = 0; /* ensure 0 termination */
3965 return strlenW(textW
);
3969 LPSTR textA
= (LPSTR
)lParam
;
3970 WideCharToMultiByte(CP_ACP
, 0, es
->text
, -1, textA
, count
, NULL
, NULL
);
3971 textA
[count
- 1] = 0; /* ensure 0 termination */
3972 return strlen(textA
);
3976 /*********************************************************************
3981 static LRESULT
EDIT_WM_HScroll(HWND hwnd
, EDITSTATE
*es
, INT action
, INT pos
)
3986 if (!(es
->style
& ES_MULTILINE
))
3989 if (!(es
->style
& ES_AUTOHSCROLL
))
3993 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
3996 TRACE("SB_LINELEFT\n");
3998 dx
= -es
->char_width
;
4001 TRACE("SB_LINERIGHT\n");
4002 if (es
->x_offset
< es
->text_width
)
4003 dx
= es
->char_width
;
4006 TRACE("SB_PAGELEFT\n");
4008 dx
= -fw
/ HSCROLL_FRACTION
/ es
->char_width
* es
->char_width
;
4011 TRACE("SB_PAGERIGHT\n");
4012 if (es
->x_offset
< es
->text_width
)
4013 dx
= fw
/ HSCROLL_FRACTION
/ es
->char_width
* es
->char_width
;
4021 TRACE("SB_RIGHT\n");
4022 if (es
->x_offset
< es
->text_width
)
4023 dx
= es
->text_width
- es
->x_offset
;
4026 TRACE("SB_THUMBTRACK %d\n", pos
);
4027 es
->flags
|= EF_HSCROLL_TRACK
;
4028 if(es
->style
& WS_HSCROLL
)
4029 dx
= pos
- es
->x_offset
;
4034 if(pos
< 0 || pos
> 100) return 0;
4035 /* Assume default scroll range 0-100 */
4036 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
4037 new_x
= pos
* (es
->text_width
- fw
) / 100;
4038 dx
= es
->text_width
? (new_x
- es
->x_offset
) : 0;
4041 case SB_THUMBPOSITION
:
4042 TRACE("SB_THUMBPOSITION %d\n", pos
);
4043 es
->flags
&= ~EF_HSCROLL_TRACK
;
4044 if(GetWindowLongA( hwnd
, GWL_STYLE
) & WS_HSCROLL
)
4045 dx
= pos
- es
->x_offset
;
4050 if(pos
< 0 || pos
> 100) return 0;
4051 /* Assume default scroll range 0-100 */
4052 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
4053 new_x
= pos
* (es
->text_width
- fw
) / 100;
4054 dx
= es
->text_width
? (new_x
- es
->x_offset
) : 0;
4057 /* force scroll info update */
4058 EDIT_UpdateScrollInfo(hwnd
, es
);
4059 EDIT_NOTIFY_PARENT(hwnd
, es
, EN_HSCROLL
, "EN_HSCROLL");
4063 TRACE("SB_ENDSCROLL\n");
4066 * FIXME : the next two are undocumented !
4067 * Are we doing the right thing ?
4068 * At least Win 3.1 Notepad makes use of EM_GETTHUMB this way,
4069 * although it's also a regular control message.
4071 case EM_GETTHUMB
: /* this one is used by NT notepad */
4075 if(GetWindowLongA( hwnd
, GWL_STYLE
) & WS_HSCROLL
)
4076 ret
= GetScrollPos(hwnd
, SB_HORZ
);
4079 /* Assume default scroll range 0-100 */
4080 INT fw
= es
->format_rect
.right
- es
->format_rect
.left
;
4081 ret
= es
->text_width
? es
->x_offset
* 100 / (es
->text_width
- fw
) : 0;
4083 TRACE("EM_GETTHUMB: returning %ld\n", ret
);
4086 case EM_LINESCROLL16
:
4087 TRACE("EM_LINESCROLL16\n");
4092 ERR("undocumented WM_HSCROLL action %d (0x%04x), please report\n",
4098 INT fw
= es
->format_rect
.right
- es
->format_rect
.left
;
4099 /* check if we are going to move too far */
4100 if(es
->x_offset
+ dx
+ fw
> es
->text_width
)
4101 dx
= es
->text_width
- fw
- es
->x_offset
;
4103 EDIT_EM_LineScroll_internal(hwnd
, es
, dx
, 0);
4109 /*********************************************************************
4114 static BOOL
EDIT_CheckCombo(HWND hwnd
, EDITSTATE
*es
, UINT msg
, INT key
)
4116 HWND hLBox
= es
->hwndListBox
;
4124 hCombo
= GetParent(hwnd
);
4128 TRACE_(combo
)("[%04x]: handling msg %04x (%04x)\n",
4129 hwnd
, (UINT16
)msg
, (UINT16
)key
);
4131 if (key
== VK_UP
|| key
== VK_DOWN
)
4133 if (SendMessageW(hCombo
, CB_GETEXTENDEDUI
, 0, 0))
4136 if (msg
== WM_KEYDOWN
|| nEUI
)
4137 bDropped
= (BOOL
)SendMessageW(hCombo
, CB_GETDROPPEDSTATE
, 0, 0);
4143 if (!bDropped
&& nEUI
&& (key
== VK_UP
|| key
== VK_DOWN
))
4145 /* make sure ComboLBox pops up */
4146 SendMessageW(hCombo
, CB_SETEXTENDEDUI
, FALSE
, 0);
4151 SendMessageW(hLBox
, WM_KEYDOWN
, (WPARAM
)key
, 0);
4154 case WM_SYSKEYDOWN
: /* Handle Alt+up/down arrows */
4156 SendMessageW(hCombo
, CB_SHOWDROPDOWN
, bDropped
? FALSE
: TRUE
, 0);
4158 SendMessageW(hLBox
, WM_KEYDOWN
, (WPARAM
)VK_F4
, 0);
4163 SendMessageW(hCombo
, CB_SETEXTENDEDUI
, TRUE
, 0);
4169 /*********************************************************************
4173 * Handling of special keys that don't produce a WM_CHAR
4174 * (i.e. non-printable keys) & Backspace & Delete
4177 static LRESULT
EDIT_WM_KeyDown(HWND hwnd
, EDITSTATE
*es
, INT key
)
4182 if (GetKeyState(VK_MENU
) & 0x8000)
4185 shift
= GetKeyState(VK_SHIFT
) & 0x8000;
4186 control
= GetKeyState(VK_CONTROL
) & 0x8000;
4191 if (EDIT_CheckCombo(hwnd
, es
, WM_KEYDOWN
, key
) || key
== VK_F4
)
4196 if ((es
->style
& ES_MULTILINE
) && (key
== VK_UP
))
4197 EDIT_MoveUp_ML(hwnd
, es
, shift
);
4200 EDIT_MoveWordBackward(hwnd
, es
, shift
);
4202 EDIT_MoveBackward(hwnd
, es
, shift
);
4205 if (EDIT_CheckCombo(hwnd
, es
, WM_KEYDOWN
, key
))
4209 if ((es
->style
& ES_MULTILINE
) && (key
== VK_DOWN
))
4210 EDIT_MoveDown_ML(hwnd
, es
, shift
);
4212 EDIT_MoveWordForward(hwnd
, es
, shift
);
4214 EDIT_MoveForward(hwnd
, es
, shift
);
4217 EDIT_MoveHome(hwnd
, es
, shift
);
4220 EDIT_MoveEnd(hwnd
, es
, shift
);
4223 if (es
->style
& ES_MULTILINE
)
4224 EDIT_MovePageUp_ML(hwnd
, es
, shift
);
4226 EDIT_CheckCombo(hwnd
, es
, WM_KEYDOWN
, key
);
4229 if (es
->style
& ES_MULTILINE
)
4230 EDIT_MovePageDown_ML(hwnd
, es
, shift
);
4232 EDIT_CheckCombo(hwnd
, es
, WM_KEYDOWN
, key
);
4235 if (!(es
->style
& ES_READONLY
) && !(shift
&& control
)) {
4236 if (es
->selection_start
!= es
->selection_end
) {
4238 EDIT_WM_Cut(hwnd
, es
);
4240 EDIT_WM_Clear(hwnd
, es
);
4243 /* delete character left of caret */
4244 EDIT_EM_SetSel(hwnd
, es
, (UINT
)-1, 0, FALSE
);
4245 EDIT_MoveBackward(hwnd
, es
, TRUE
);
4246 EDIT_WM_Clear(hwnd
, es
);
4247 } else if (control
) {
4248 /* delete to end of line */
4249 EDIT_EM_SetSel(hwnd
, es
, (UINT
)-1, 0, FALSE
);
4250 EDIT_MoveEnd(hwnd
, es
, TRUE
);
4251 EDIT_WM_Clear(hwnd
, es
);
4253 /* delete character right of caret */
4254 EDIT_EM_SetSel(hwnd
, es
, (UINT
)-1, 0, FALSE
);
4255 EDIT_MoveForward(hwnd
, es
, TRUE
);
4256 EDIT_WM_Clear(hwnd
, es
);
4263 if (!(es
->style
& ES_READONLY
))
4264 EDIT_WM_Paste(hwnd
, es
);
4266 EDIT_WM_Copy(hwnd
, es
);
4269 /* If the edit doesn't want the return send a message to the default object */
4270 if(!(es
->style
& ES_WANTRETURN
))
4272 HWND hwndParent
= GetParent(hwnd
);
4273 DWORD dw
= SendMessageW( hwndParent
, DM_GETDEFID
, 0, 0 );
4274 if (HIWORD(dw
) == DC_HASDEFID
)
4276 SendMessageW( hwndParent
, WM_COMMAND
,
4277 MAKEWPARAM( LOWORD(dw
), BN_CLICKED
),
4278 (LPARAM
)GetDlgItem( hwndParent
, LOWORD(dw
) ) );
4287 /*********************************************************************
4292 static LRESULT
EDIT_WM_KillFocus(HWND hwnd
, EDITSTATE
*es
)
4294 es
->flags
&= ~EF_FOCUSED
;
4296 if(!(es
->style
& ES_NOHIDESEL
))
4297 EDIT_InvalidateText(hwnd
, es
, es
->selection_start
, es
->selection_end
);
4298 EDIT_NOTIFY_PARENT(hwnd
, es
, EN_KILLFOCUS
, "EN_KILLFOCUS");
4303 /*********************************************************************
4307 * The caret position has been set on the WM_LBUTTONDOWN message
4310 static LRESULT
EDIT_WM_LButtonDblClk(HWND hwnd
, EDITSTATE
*es
)
4313 INT e
= es
->selection_end
;
4318 if (!(es
->flags
& EF_FOCUSED
))
4321 l
= EDIT_EM_LineFromChar(es
, e
);
4322 li
= EDIT_EM_LineIndex(es
, l
);
4323 ll
= EDIT_EM_LineLength(es
, e
);
4324 s
= li
+ EDIT_CallWordBreakProc(es
, li
, e
- li
, ll
, WB_LEFT
);
4325 e
= li
+ EDIT_CallWordBreakProc(es
, li
, e
- li
, ll
, WB_RIGHT
);
4326 EDIT_EM_SetSel(hwnd
, es
, s
, e
, FALSE
);
4327 EDIT_EM_ScrollCaret(hwnd
, es
);
4332 /*********************************************************************
4337 static LRESULT
EDIT_WM_LButtonDown(HWND hwnd
, EDITSTATE
*es
, DWORD keys
, INT x
, INT y
)
4342 if (!(es
->flags
& EF_FOCUSED
))
4345 es
->bCaptureState
= TRUE
;
4347 EDIT_ConfinePoint(es
, &x
, &y
);
4348 e
= EDIT_CharFromPos(hwnd
, es
, x
, y
, &after_wrap
);
4349 EDIT_EM_SetSel(hwnd
, es
, (keys
& MK_SHIFT
) ? es
->selection_start
: e
, e
, after_wrap
);
4350 EDIT_EM_ScrollCaret(hwnd
, es
);
4351 es
->region_posx
= es
->region_posy
= 0;
4352 SetTimer(hwnd
, 0, 100, NULL
);
4357 /*********************************************************************
4362 static LRESULT
EDIT_WM_LButtonUp(HWND hwndSelf
, EDITSTATE
*es
)
4364 if (es
->bCaptureState
&& GetCapture() == hwndSelf
) {
4365 KillTimer(hwndSelf
, 0);
4368 es
->bCaptureState
= FALSE
;
4373 /*********************************************************************
4378 static LRESULT
EDIT_WM_MButtonDown(HWND hwnd
)
4380 SendMessageW(hwnd
,WM_PASTE
,0,0);
4385 /*********************************************************************
4390 static LRESULT
EDIT_WM_MouseMove(HWND hwnd
, EDITSTATE
*es
, INT x
, INT y
)
4396 if (GetCapture() != hwnd
)
4400 * FIXME: gotta do some scrolling if outside client
4401 * area. Maybe reset the timer ?
4404 EDIT_ConfinePoint(es
, &x
, &y
);
4405 es
->region_posx
= (prex
< x
) ? -1 : ((prex
> x
) ? 1 : 0);
4406 es
->region_posy
= (prey
< y
) ? -1 : ((prey
> y
) ? 1 : 0);
4407 e
= EDIT_CharFromPos(hwnd
, es
, x
, y
, &after_wrap
);
4408 EDIT_EM_SetSel(hwnd
, es
, es
->selection_start
, e
, after_wrap
);
4413 /*********************************************************************
4417 * See also EDIT_WM_StyleChanged
4419 static LRESULT
EDIT_WM_NCCreate(HWND hwnd
, DWORD style
, HWND hwndParent
, BOOL unicode
)
4424 TRACE("Creating %s edit control, style = %08lx\n",
4425 unicode
? "Unicode" : "ANSI", style
);
4427 if (!(es
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(*es
))))
4429 SetWindowLongA( hwnd
, 0, (LONG
)es
);
4432 * Note: since the EDITSTATE has not been fully initialized yet,
4433 * we can't use any API calls that may send
4434 * WM_XXX messages before WM_NCCREATE is completed.
4437 es
->is_unicode
= unicode
;
4440 es
->bEnableState
= !(style
& WS_DISABLED
);
4442 /* Save parent, which will be notified by EN_* messages */
4443 es
->hwndParent
= hwndParent
;
4445 if (es
->style
& ES_COMBO
)
4446 es
->hwndListBox
= GetDlgItem(hwndParent
, ID_CB_LISTBOX
);
4448 /* Number overrides lowercase overrides uppercase (at least it
4449 * does in Win95). However I'll bet that ES_NUMBER would be
4450 * invalid under Win 3.1.
4452 if (es
->style
& ES_NUMBER
) {
4453 ; /* do not override the ES_NUMBER */
4454 } else if (es
->style
& ES_LOWERCASE
) {
4455 es
->style
&= ~ES_UPPERCASE
;
4457 if (es
->style
& ES_MULTILINE
) {
4458 es
->buffer_limit
= BUFLIMIT_MULTI
;
4459 if (es
->style
& WS_VSCROLL
)
4460 es
->style
|= ES_AUTOVSCROLL
;
4461 if (es
->style
& WS_HSCROLL
)
4462 es
->style
|= ES_AUTOHSCROLL
;
4463 es
->style
&= ~ES_PASSWORD
;
4464 if ((es
->style
& ES_CENTER
) || (es
->style
& ES_RIGHT
)) {
4465 /* Confirmed - RIGHT overrides CENTER */
4466 if (es
->style
& ES_RIGHT
)
4467 es
->style
&= ~ES_CENTER
;
4468 es
->style
&= ~WS_HSCROLL
;
4469 es
->style
&= ~ES_AUTOHSCROLL
;
4472 /* FIXME: for now, all multi line controls are AUTOVSCROLL */
4473 es
->style
|= ES_AUTOVSCROLL
;
4475 es
->buffer_limit
= BUFLIMIT_SINGLE
;
4476 if (WIN31_LOOK
== TWEAK_WineLook
||
4477 WIN95_LOOK
== TWEAK_WineLook
) {
4478 es
->style
&= ~ES_CENTER
;
4479 es
->style
&= ~ES_RIGHT
;
4481 if (es
->style
& ES_RIGHT
)
4482 es
->style
&= ~ES_CENTER
;
4484 es
->style
&= ~WS_HSCROLL
;
4485 es
->style
&= ~WS_VSCROLL
;
4486 es
->style
&= ~ES_AUTOVSCROLL
;
4487 es
->style
&= ~ES_WANTRETURN
;
4488 if (es
->style
& ES_PASSWORD
)
4489 es
->password_char
= '*';
4491 /* FIXME: for now, all single line controls are AUTOHSCROLL */
4492 es
->style
|= ES_AUTOHSCROLL
;
4495 alloc_size
= ROUND_TO_GROW((es
->buffer_size
+ 1) * sizeof(WCHAR
));
4496 if(!(es
->hloc32W
= LocalAlloc(LMEM_MOVEABLE
| LMEM_ZEROINIT
, alloc_size
)))
4498 es
->buffer_size
= LocalSize(es
->hloc32W
)/sizeof(WCHAR
) - 1;
4500 if (!(es
->undo_text
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, (es
->buffer_size
+ 1) * sizeof(WCHAR
))))
4502 es
->undo_buffer_size
= es
->buffer_size
;
4504 if (es
->style
& ES_MULTILINE
)
4505 if (!(es
->first_line_def
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(LINEDEF
))))
4510 * In Win95 look and feel, the WS_BORDER style is replaced by the
4511 * WS_EX_CLIENTEDGE style for the edit control. This gives the edit
4512 * control a non client area. Not always. This coordinates in some
4513 * way with the window creation code in dialog.c When making
4514 * modifications please ensure that the code still works for edit
4515 * controls created directly with style 0x50800000, exStyle 0 (
4516 * which should have a single pixel border)
4518 if (TWEAK_WineLook
!= WIN31_LOOK
)
4520 es
->style
&= ~WS_BORDER
;
4524 if ((es
->style
& WS_BORDER
) && !(es
->style
& WS_DLGFRAME
))
4525 SetWindowLongA( hwnd
, GWL_STYLE
,
4526 GetWindowLongA( hwnd
, GWL_STYLE
) & ~WS_BORDER
);
4532 /*********************************************************************
4537 static void EDIT_WM_Paint(HWND hwnd
, EDITSTATE
*es
, WPARAM wParam
)
4546 BOOL rev
= es
->bEnableState
&&
4547 ((es
->flags
& EF_FOCUSED
) ||
4548 (es
->style
& ES_NOHIDESEL
));
4550 dc
= BeginPaint(hwnd
, &ps
);
4553 if(es
->style
& WS_BORDER
) {
4554 GetClientRect(hwnd
, &rc
);
4555 if(es
->style
& ES_MULTILINE
) {
4556 if(es
->style
& WS_HSCROLL
) rc
.bottom
++;
4557 if(es
->style
& WS_VSCROLL
) rc
.right
++;
4559 Rectangle(dc
, rc
.left
, rc
.top
, rc
.right
, rc
.bottom
);
4561 IntersectClipRect(dc
, es
->format_rect
.left
,
4562 es
->format_rect
.top
,
4563 es
->format_rect
.right
,
4564 es
->format_rect
.bottom
);
4565 if (es
->style
& ES_MULTILINE
) {
4566 GetClientRect(hwnd
, &rc
);
4567 IntersectClipRect(dc
, rc
.left
, rc
.top
, rc
.right
, rc
.bottom
);
4570 old_font
= SelectObject(dc
, es
->font
);
4571 if ( get_app_version() >= 0x40000 &&(
4572 !es
->bEnableState
|| (es
->style
& ES_READONLY
)))
4573 EDIT_SEND_CTLCOLORSTATIC(hwnd
, dc
);
4575 EDIT_SEND_CTLCOLOR(hwnd
, dc
);
4577 if (!es
->bEnableState
)
4578 SetTextColor(dc
, GetSysColor(COLOR_GRAYTEXT
));
4579 GetClipBox(dc
, &rcRgn
);
4580 if (es
->style
& ES_MULTILINE
) {
4581 INT vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
4582 for (i
= es
->y_offset
; i
<= min(es
->y_offset
+ vlc
, es
->y_offset
+ es
->line_count
- 1) ; i
++) {
4583 EDIT_GetLineRect(hwnd
, es
, i
, 0, -1, &rcLine
);
4584 if (IntersectRect(&rc
, &rcRgn
, &rcLine
))
4585 EDIT_PaintLine(hwnd
, es
, dc
, i
, rev
);
4588 EDIT_GetLineRect(hwnd
, es
, 0, 0, -1, &rcLine
);
4589 if (IntersectRect(&rc
, &rcRgn
, &rcLine
))
4590 EDIT_PaintLine(hwnd
, es
, dc
, 0, rev
);
4593 SelectObject(dc
, old_font
);
4596 EndPaint(hwnd
, &ps
);
4600 /*********************************************************************
4605 static void EDIT_WM_Paste(HWND hwnd
, EDITSTATE
*es
)
4610 /* Protect read-only edit control from modification */
4611 if(es
->style
& ES_READONLY
)
4614 OpenClipboard(hwnd
);
4615 if ((hsrc
= GetClipboardData(CF_UNICODETEXT
))) {
4616 src
= (LPWSTR
)GlobalLock(hsrc
);
4617 EDIT_EM_ReplaceSel(hwnd
, es
, TRUE
, src
, TRUE
);
4624 /*********************************************************************
4629 static void EDIT_WM_SetFocus(HWND hwnd
, EDITSTATE
*es
)
4631 es
->flags
|= EF_FOCUSED
;
4632 CreateCaret(hwnd
, 0, 2, es
->line_height
);
4633 EDIT_SetCaretPos(hwnd
, es
, es
->selection_end
,
4634 es
->flags
& EF_AFTER_WRAP
);
4635 if(!(es
->style
& ES_NOHIDESEL
))
4636 EDIT_InvalidateText(hwnd
, es
, es
->selection_start
, es
->selection_end
);
4638 EDIT_NOTIFY_PARENT(hwnd
, es
, EN_SETFOCUS
, "EN_SETFOCUS");
4642 /*********************************************************************
4646 * With Win95 look the margins are set to default font value unless
4647 * the system font (font == 0) is being set, in which case they are left
4651 static void EDIT_WM_SetFont(HWND hwnd
, EDITSTATE
*es
, HFONT font
, BOOL redraw
)
4661 old_font
= SelectObject(dc
, font
);
4662 GetTextMetricsW(dc
, &tm
);
4663 es
->line_height
= tm
.tmHeight
;
4664 es
->char_width
= tm
.tmAveCharWidth
;
4666 SelectObject(dc
, old_font
);
4667 ReleaseDC(hwnd
, dc
);
4668 if (font
&& (TWEAK_WineLook
> WIN31_LOOK
))
4669 EDIT_EM_SetMargins(es
, EC_LEFTMARGIN
| EC_RIGHTMARGIN
,
4670 EC_USEFONTINFO
, EC_USEFONTINFO
);
4672 /* Force the recalculation of the format rect for each font change */
4673 GetClientRect(hwnd
, &r
);
4674 EDIT_SetRectNP(hwnd
, es
, &r
);
4676 if (es
->style
& ES_MULTILINE
)
4677 EDIT_BuildLineDefs_ML(hwnd
, es
, 0, strlenW(es
->text
), 0, (HRGN
)0);
4679 EDIT_CalcLineWidth_SL(hwnd
, es
);
4682 EDIT_UpdateText(hwnd
, es
, NULL
, TRUE
);
4683 if (es
->flags
& EF_FOCUSED
) {
4685 CreateCaret(hwnd
, 0, 2, es
->line_height
);
4686 EDIT_SetCaretPos(hwnd
, es
, es
->selection_end
,
4687 es
->flags
& EF_AFTER_WRAP
);
4693 /*********************************************************************
4698 * For multiline controls (ES_MULTILINE), reception of WM_SETTEXT triggers:
4699 * The modified flag is reset. No notifications are sent.
4701 * For single-line controls, reception of WM_SETTEXT triggers:
4702 * The modified flag is reset. EN_UPDATE and EN_CHANGE notifications are sent.
4705 static void EDIT_WM_SetText(HWND hwnd
, EDITSTATE
*es
, LPARAM lParam
, BOOL unicode
)
4710 text
= (LPWSTR
)lParam
;
4713 LPCSTR textA
= (LPCSTR
)lParam
;
4714 INT countW
= MultiByteToWideChar(CP_ACP
, 0, textA
, -1, NULL
, 0);
4715 if((text
= HeapAlloc(GetProcessHeap(), 0, countW
* sizeof(WCHAR
))))
4716 MultiByteToWideChar(CP_ACP
, 0, textA
, -1, text
, countW
);
4719 EDIT_EM_SetSel(hwnd
, es
, 0, (UINT
)-1, FALSE
);
4721 TRACE("%s\n", debugstr_w(text
));
4722 EDIT_EM_ReplaceSel(hwnd
, es
, FALSE
, text
, FALSE
);
4724 HeapFree(GetProcessHeap(), 0, text
);
4726 static const WCHAR empty_stringW
[] = {0};
4728 EDIT_EM_ReplaceSel(hwnd
, es
, FALSE
, empty_stringW
, FALSE
);
4731 es
->flags
&= ~EF_MODIFIED
;
4732 EDIT_EM_SetSel(hwnd
, es
, 0, 0, FALSE
);
4733 /* Send the notification after the selection start and end have been set
4734 * edit control doesn't send notification on WM_SETTEXT
4735 * if it is multiline, or it is part of combobox
4737 if( !((es
->style
& ES_MULTILINE
) || es
->hwndListBox
))
4739 EDIT_NOTIFY_PARENT(hwnd
, es
, EN_CHANGE
, "EN_CHANGE");
4740 EDIT_NOTIFY_PARENT(hwnd
, es
, EN_UPDATE
, "EN_UPDATE");
4742 EDIT_EM_ScrollCaret(hwnd
, es
);
4746 /*********************************************************************
4751 static void EDIT_WM_Size(HWND hwnd
, EDITSTATE
*es
, UINT action
, INT width
, INT height
)
4753 if ((action
== SIZE_MAXIMIZED
) || (action
== SIZE_RESTORED
)) {
4755 TRACE("width = %d, height = %d\n", width
, height
);
4756 SetRect(&rc
, 0, 0, width
, height
);
4757 EDIT_SetRectNP(hwnd
, es
, &rc
);
4758 EDIT_UpdateText(hwnd
, es
, NULL
, TRUE
);
4763 /*********************************************************************
4767 * This message is sent by SetWindowLong on having changed either the Style
4768 * or the extended style.
4770 * We ensure that the window's version of the styles and the EDITSTATE's agree.
4772 * See also EDIT_WM_NCCreate
4774 * It appears that the Windows version of the edit control allows the style
4775 * (as retrieved by GetWindowLong) to be any value and maintains an internal
4776 * style variable which will generally be different. In this function we
4777 * update the internal style based on what changed in the externally visible
4780 * Much of this content as based upon the MSDN, especially:
4781 * Platform SDK Documentation -> User Interface Services ->
4782 * Windows User Interface -> Edit Controls -> Edit Control Reference ->
4783 * Edit Control Styles
4785 static LRESULT
EDIT_WM_StyleChanged (HWND hwnd
,
4788 const STYLESTRUCT
*style
)
4790 if (GWL_STYLE
== which
) {
4791 DWORD style_change_mask
;
4793 /* Only a subset of changes can be applied after the control
4796 style_change_mask
= ES_UPPERCASE
| ES_LOWERCASE
|
4798 if (es
->style
& ES_MULTILINE
)
4799 style_change_mask
|= ES_WANTRETURN
;
4801 new_style
= style
->styleNew
& style_change_mask
;
4803 /* Number overrides lowercase overrides uppercase (at least it
4804 * does in Win95). However I'll bet that ES_NUMBER would be
4805 * invalid under Win 3.1.
4807 if (new_style
& ES_NUMBER
) {
4808 ; /* do not override the ES_NUMBER */
4809 } else if (new_style
& ES_LOWERCASE
) {
4810 new_style
&= ~ES_UPPERCASE
;
4813 es
->style
= (es
->style
& ~style_change_mask
) | new_style
;
4814 } else if (GWL_EXSTYLE
== which
) {
4815 ; /* FIXME - what is needed here */
4817 WARN ("Invalid style change %d\n",which
);
4823 /*********************************************************************
4828 static LRESULT
EDIT_WM_SysKeyDown(HWND hwnd
, EDITSTATE
*es
, INT key
, DWORD key_data
)
4830 if ((key
== VK_BACK
) && (key_data
& 0x2000)) {
4831 if (EDIT_EM_CanUndo(es
))
4832 EDIT_EM_Undo(hwnd
, es
);
4834 } else if (key
== VK_UP
|| key
== VK_DOWN
) {
4835 if (EDIT_CheckCombo(hwnd
, es
, WM_SYSKEYDOWN
, key
))
4838 return DefWindowProcW(hwnd
, WM_SYSKEYDOWN
, (WPARAM
)key
, (LPARAM
)key_data
);
4842 /*********************************************************************
4847 static void EDIT_WM_Timer(HWND hwnd
, EDITSTATE
*es
)
4849 if (es
->region_posx
< 0) {
4850 EDIT_MoveBackward(hwnd
, es
, TRUE
);
4851 } else if (es
->region_posx
> 0) {
4852 EDIT_MoveForward(hwnd
, es
, TRUE
);
4855 * FIXME: gotta do some vertical scrolling here, like
4856 * EDIT_EM_LineScroll(hwnd, 0, 1);
4860 /*********************************************************************
4865 static LRESULT
EDIT_WM_VScroll(HWND hwnd
, EDITSTATE
*es
, INT action
, INT pos
)
4869 if (!(es
->style
& ES_MULTILINE
))
4872 if (!(es
->style
& ES_AUTOVSCROLL
))
4881 TRACE("action %d\n", action
);
4882 EDIT_EM_Scroll(hwnd
, es
, action
);
4889 TRACE("SB_BOTTOM\n");
4890 dy
= es
->line_count
- 1 - es
->y_offset
;
4893 TRACE("SB_THUMBTRACK %d\n", pos
);
4894 es
->flags
|= EF_VSCROLL_TRACK
;
4895 if(es
->style
& WS_VSCROLL
)
4896 dy
= pos
- es
->y_offset
;
4899 /* Assume default scroll range 0-100 */
4902 if(pos
< 0 || pos
> 100) return 0;
4903 vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
4904 new_y
= pos
* (es
->line_count
- vlc
) / 100;
4905 dy
= es
->line_count
? (new_y
- es
->y_offset
) : 0;
4906 TRACE("line_count=%d, y_offset=%d, pos=%d, dy = %d\n",
4907 es
->line_count
, es
->y_offset
, pos
, dy
);
4910 case SB_THUMBPOSITION
:
4911 TRACE("SB_THUMBPOSITION %d\n", pos
);
4912 es
->flags
&= ~EF_VSCROLL_TRACK
;
4913 if(es
->style
& WS_VSCROLL
)
4914 dy
= pos
- es
->y_offset
;
4917 /* Assume default scroll range 0-100 */
4920 if(pos
< 0 || pos
> 100) return 0;
4921 vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
4922 new_y
= pos
* (es
->line_count
- vlc
) / 100;
4923 dy
= es
->line_count
? (new_y
- es
->y_offset
) : 0;
4924 TRACE("line_count=%d, y_offset=%d, pos=%d, dy = %d\n",
4925 es
->line_count
, es
->y_offset
, pos
, dy
);
4929 /* force scroll info update */
4930 EDIT_UpdateScrollInfo(hwnd
, es
);
4931 EDIT_NOTIFY_PARENT(hwnd
, es
, EN_VSCROLL
, "EN_VSCROLL");
4935 TRACE("SB_ENDSCROLL\n");
4938 * FIXME : the next two are undocumented !
4939 * Are we doing the right thing ?
4940 * At least Win 3.1 Notepad makes use of EM_GETTHUMB this way,
4941 * although it's also a regular control message.
4943 case EM_GETTHUMB
: /* this one is used by NT notepad */
4947 if(GetWindowLongA( hwnd
, GWL_STYLE
) & WS_VSCROLL
)
4948 ret
= GetScrollPos(hwnd
, SB_VERT
);
4951 /* Assume default scroll range 0-100 */
4952 INT vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
4953 ret
= es
->line_count
? es
->y_offset
* 100 / (es
->line_count
- vlc
) : 0;
4955 TRACE("EM_GETTHUMB: returning %ld\n", ret
);
4958 case EM_LINESCROLL16
:
4959 TRACE("EM_LINESCROLL16 %d\n", pos
);
4964 ERR("undocumented WM_VSCROLL action %d (0x%04x), please report\n",
4969 EDIT_EM_LineScroll(hwnd
, es
, 0, dy
);
4973 /*********************************************************************
4978 static void EDIT_UpdateTextRegion(HWND hwnd
, EDITSTATE
*es
, HRGN hrgn
, BOOL bErase
)
4980 if (es
->flags
& EF_UPDATE
) EDIT_NOTIFY_PARENT(hwnd
, es
, EN_UPDATE
, "EN_UPDATE");
4981 InvalidateRgn(hwnd
, hrgn
, bErase
);
4985 /*********************************************************************
4990 static void EDIT_UpdateText(HWND hwnd
, EDITSTATE
*es
, LPRECT rc
, BOOL bErase
)
4992 if (es
->flags
& EF_UPDATE
) EDIT_NOTIFY_PARENT(hwnd
, es
, EN_UPDATE
, "EN_UPDATE");
4993 InvalidateRect(hwnd
, rc
, bErase
);