4 * Copyright David W. Metcalfe, 1994
5 * Copyright William Magro, 1995, 1996
6 * Copyright Frans van Dorsselaer, 1996, 1997
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
25 * This code was audited for completeness against the documented features
26 * of Comctl32.dll version 6.0 on Oct. 8, 2004, by Dimitrie O. Paun.
28 * Unless otherwise noted, we believe this code to be complete, as per
29 * the specification mentioned above.
30 * If you discover missing features, or bugs, please note them below.
33 * - EDITBALLOONTIP structure
34 * - EM_GETCUEBANNER/Edit_GetCueBannerText
35 * - EM_HIDEBALLOONTIP/Edit_HideBalloonTip
36 * - EM_SETCUEBANNER/Edit_SetCueBannerText
37 * - EM_SHOWBALLOONTIP/Edit_ShowBalloonTip
38 * - EM_GETIMESTATUS, EM_SETIMESTATUS
57 #include "wine/unicode.h"
59 #include "user_private.h"
60 #include "wine/debug.h"
62 WINE_DEFAULT_DEBUG_CHANNEL(edit
);
63 WINE_DECLARE_DEBUG_CHANNEL(combo
);
64 WINE_DECLARE_DEBUG_CHANNEL(relay
);
66 #define BUFLIMIT_INITIAL 30000 /* initial buffer size */
67 #define GROWLENGTH 32 /* buffers granularity in bytes: must be power of 2 */
68 #define ROUND_TO_GROW(size) (((size) + (GROWLENGTH - 1)) & ~(GROWLENGTH - 1))
69 #define HSCROLL_FRACTION 3 /* scroll window by 1/3 width */
72 * extra flags for EDITSTATE.flags field
74 #define EF_MODIFIED 0x0001 /* text has been modified */
75 #define EF_FOCUSED 0x0002 /* we have input focus */
76 #define EF_UPDATE 0x0004 /* notify parent of changed state */
77 #define EF_VSCROLL_TRACK 0x0008 /* don't SetScrollPos() since we are tracking the thumb */
78 #define EF_HSCROLL_TRACK 0x0010 /* don't SetScrollPos() since we are tracking the thumb */
79 #define EF_AFTER_WRAP 0x0080 /* the caret is displayed after the last character of a
80 wrapped line, instead of in front of the next character */
81 #define EF_USE_SOFTBRK 0x0100 /* Enable soft breaks in text. */
82 #define EF_APP_HAS_HANDLE 0x0200 /* Set when an app sends EM_[G|S]ETHANDLE. We are in sole control of
83 the text buffer if this is clear. */
84 #define EF_DIALOGMODE 0x0400 /* Indicates that we are inside a dialog window */
88 END_0
= 0, /* line ends with terminating '\0' character */
89 END_WRAP
, /* line is wrapped */
90 END_HARD
, /* line ends with a hard return '\r\n' */
91 END_SOFT
, /* line ends with a soft return '\r\r\n' */
92 END_RICH
/* line ends with a single '\n' */
95 typedef struct tagLINEDEF
{
96 INT length
; /* bruto length of a line in bytes */
97 INT net_length
; /* netto length of a line in visible characters */
99 INT width
; /* width of the line in pixels */
100 INT index
; /* line index into the buffer */
101 struct tagLINEDEF
*next
;
106 BOOL is_unicode
; /* how the control was created */
107 LPWSTR text
; /* the actual contents of the control */
108 UINT text_length
; /* cached length of text buffer (in WCHARs) - use get_text_length() to retrieve */
109 UINT buffer_size
; /* the size of the buffer in characters */
110 UINT buffer_limit
; /* the maximum size to which the buffer may grow in characters */
111 HFONT font
; /* NULL means standard system font */
112 INT x_offset
; /* scroll offset for multi lines this is in pixels
113 for single lines it's in characters */
114 INT line_height
; /* height of a screen line in pixels */
115 INT char_width
; /* average character width in pixels */
116 DWORD style
; /* sane version of wnd->dwStyle */
117 WORD flags
; /* flags that are not in es->style or wnd->flags (EF_XXX) */
118 INT undo_insert_count
; /* number of characters inserted in sequence */
119 UINT undo_position
; /* character index of the insertion and deletion */
120 LPWSTR undo_text
; /* deleted text */
121 UINT undo_buffer_size
; /* size of the deleted text buffer */
122 INT selection_start
; /* == selection_end if no selection */
123 INT selection_end
; /* == current caret position */
124 WCHAR password_char
; /* == 0 if no password char, and for multi line controls */
125 INT left_margin
; /* in pixels */
126 INT right_margin
; /* in pixels */
128 INT text_width
; /* width of the widest line in pixels for multi line controls
129 and just line width for single line controls */
130 INT region_posx
; /* Position of cursor relative to region: */
131 INT region_posy
; /* -1: to left, 0: within, 1: to right */
132 void *word_break_proc
; /* 32-bit word break proc: ANSI or Unicode */
133 INT line_count
; /* number of lines */
134 INT y_offset
; /* scroll offset in number of lines */
135 BOOL bCaptureState
; /* flag indicating whether mouse was captured */
136 BOOL bEnableState
; /* flag keeping the enable state */
137 HWND hwndSelf
; /* the our window handle */
138 HWND hwndParent
; /* Handle of parent for sending EN_* messages.
139 Even if parent will change, EN_* messages
140 should be sent to the first parent. */
141 HWND hwndListBox
; /* handle of ComboBox's listbox or NULL */
143 * only for multi line controls
145 INT lock_count
; /* amount of re-entries in the EditWndProc */
148 LINEDEF
*first_line_def
; /* linked list of (soft) linebreaks */
149 HLOCAL hloc32W
; /* our unicode local memory block */
150 HLOCAL hloc32A
; /* alias for ANSI control receiving EM_GETHANDLE
155 UINT composition_len
; /* length of composition, 0 == no composition */
156 int composition_start
; /* the character position for the composition */
160 SCRIPT_LOGATTR
*logAttr
;
164 #define SWAP_UINT32(x,y) do { UINT temp = (UINT)(x); (x) = (UINT)(y); (y) = temp; } while(0)
165 #define ORDER_UINT(x,y) do { if ((UINT)(y) < (UINT)(x)) SWAP_UINT32((x),(y)); } while(0)
167 /* used for disabled or read-only edit control */
168 #define EDIT_NOTIFY_PARENT(es, wNotifyCode) \
170 { /* Notify parent which has created this edit control */ \
171 TRACE("notification " #wNotifyCode " sent to hwnd=%p\n", es->hwndParent); \
172 SendMessageW(es->hwndParent, WM_COMMAND, \
173 MAKEWPARAM(GetWindowLongPtrW((es->hwndSelf),GWLP_ID), wNotifyCode), \
174 (LPARAM)(es->hwndSelf)); \
177 static const WCHAR empty_stringW
[] = {0};
179 /*********************************************************************
184 static inline BOOL
EDIT_EM_CanUndo(const EDITSTATE
*es
)
186 return (es
->undo_insert_count
|| strlenW(es
->undo_text
));
190 /*********************************************************************
195 static inline void EDIT_EM_EmptyUndoBuffer(EDITSTATE
*es
)
197 es
->undo_insert_count
= 0;
198 *es
->undo_text
= '\0';
202 /**********************************************************************
205 * Returns the window version in case Wine emulates a later version
206 * of windows than the application expects.
208 * In a number of cases when windows runs an application that was
209 * designed for an earlier windows version, windows reverts
210 * to "old" behaviour of that earlier version.
212 * An example is a disabled edit control that needs to be painted.
213 * Old style behaviour is to send a WM_CTLCOLOREDIT message. This was
214 * changed in Win95, NT4.0 by a WM_CTLCOLORSTATIC message _only_ for
215 * applications with an expected version 0f 4.0 or higher.
218 static DWORD
get_app_version(void)
220 static DWORD version
;
223 DWORD dwEmulatedVersion
;
225 DWORD dwProcVersion
= GetProcessVersion(0);
227 info
.dwOSVersionInfoSize
= sizeof(OSVERSIONINFOW
);
228 GetVersionExW( &info
);
229 dwEmulatedVersion
= MAKELONG( info
.dwMinorVersion
, info
.dwMajorVersion
);
230 /* FIXME: this may not be 100% correct; see discussion on the
231 * wine developer list in Nov 1999 */
232 version
= dwProcVersion
< dwEmulatedVersion
? dwProcVersion
: dwEmulatedVersion
;
237 static HBRUSH
EDIT_NotifyCtlColor(EDITSTATE
*es
, HDC hdc
)
242 if ( get_app_version() >= 0x40000 && (!es
->bEnableState
|| (es
->style
& ES_READONLY
)))
243 msg
= WM_CTLCOLORSTATIC
;
245 msg
= WM_CTLCOLOREDIT
;
247 /* why do we notify to es->hwndParent, and we send this one to GetParent()? */
248 hbrush
= (HBRUSH
)SendMessageW(GetParent(es
->hwndSelf
), msg
, (WPARAM
)hdc
, (LPARAM
)es
->hwndSelf
);
250 hbrush
= (HBRUSH
)DefWindowProcW(GetParent(es
->hwndSelf
), msg
, (WPARAM
)hdc
, (LPARAM
)es
->hwndSelf
);
255 static inline UINT
get_text_length(EDITSTATE
*es
)
257 if(es
->text_length
== (UINT
)-1)
258 es
->text_length
= strlenW(es
->text
);
259 return es
->text_length
;
263 /*********************************************************************
267 * Find the beginning of words.
268 * Note: unlike the specs for a WordBreakProc, this function only
269 * allows to be called without linebreaks between s[0] up to
270 * s[count - 1]. Remember it is only called
271 * internally, so we can decide this for ourselves.
272 * Additional we will always be breaking the full string.
275 static INT
EDIT_WordBreakProc(EDITSTATE
*es
, LPWSTR s
, INT index
, INT count
, INT action
)
279 TRACE("s=%p, index=%d, count=%d, action=%d\n", s
, index
, count
, action
);
287 memset(&psa
,0,sizeof(SCRIPT_ANALYSIS
));
288 psa
.eScript
= SCRIPT_UNDEFINED
;
290 es
->logAttr
= HeapAlloc(GetProcessHeap(), 0, sizeof(SCRIPT_LOGATTR
) * get_text_length(es
));
291 ScriptBreak(es
->text
, get_text_length(es
), &psa
, es
->logAttr
);
298 while (index
&& !es
->logAttr
[index
].fSoftBreak
)
305 while (s
[index
] && index
< count
&& !es
->logAttr
[index
].fSoftBreak
)
310 ret
= es
->logAttr
[index
].fWhiteSpace
;
313 ERR("unknown action code, please report !\n");
320 /*********************************************************************
322 * EDIT_CallWordBreakProc
324 * Call appropriate WordBreakProc (internal or external).
326 * Note: The "start" argument should always be an index referring
327 * to es->text. The actual wordbreak proc might be
328 * 16 bit, so we can't always pass any 32 bit LPSTR.
329 * Hence we assume that es->text is the buffer that holds
330 * the string under examination (we can decide this for ourselves).
333 static INT
EDIT_CallWordBreakProc(EDITSTATE
*es
, INT start
, INT index
, INT count
, INT action
)
337 if (es
->word_break_proc
)
341 EDITWORDBREAKPROCW wbpW
= (EDITWORDBREAKPROCW
)es
->word_break_proc
;
343 TRACE_(relay
)("(UNICODE wordbrk=%p,str=%s,idx=%d,cnt=%d,act=%d)\n",
344 es
->word_break_proc
, debugstr_wn(es
->text
+ start
, count
), index
, count
, action
);
345 ret
= wbpW(es
->text
+ start
, index
, count
, action
);
349 EDITWORDBREAKPROCA wbpA
= (EDITWORDBREAKPROCA
)es
->word_break_proc
;
353 countA
= WideCharToMultiByte(CP_ACP
, 0, es
->text
+ start
, count
, NULL
, 0, NULL
, NULL
);
354 textA
= HeapAlloc(GetProcessHeap(), 0, countA
);
355 WideCharToMultiByte(CP_ACP
, 0, es
->text
+ start
, count
, textA
, countA
, NULL
, NULL
);
356 TRACE_(relay
)("(ANSI wordbrk=%p,str=%s,idx=%d,cnt=%d,act=%d)\n",
357 es
->word_break_proc
, debugstr_an(textA
, countA
), index
, countA
, action
);
358 ret
= wbpA(textA
, index
, countA
, action
);
359 HeapFree(GetProcessHeap(), 0, textA
);
363 ret
= EDIT_WordBreakProc(es
, es
->text
, index
+start
, count
+start
, action
) - start
;
368 /*********************************************************************
370 * EDIT_BuildLineDefs_ML
372 * Build linked list of text lines.
373 * Lines can end with '\0' (last line), a character (if it is wrapped),
374 * a soft return '\r\r\n' or a hard return '\r\n'
377 static void EDIT_BuildLineDefs_ML(EDITSTATE
*es
, INT istart
, INT iend
, INT delta
, HRGN hrgn
)
381 LPWSTR current_position
, cp
;
383 LINEDEF
*current_line
;
384 LINEDEF
*previous_line
;
386 INT line_index
= 0, nstart_line
= 0, nstart_index
= 0;
387 INT line_count
= es
->line_count
;
391 if (istart
== iend
&& delta
== 0)
394 dc
= GetDC(es
->hwndSelf
);
396 old_font
= SelectObject(dc
, es
->font
);
398 previous_line
= NULL
;
399 current_line
= es
->first_line_def
;
401 /* Find starting line. istart must lie inside an existing line or
402 * at the end of buffer */
404 if (istart
< current_line
->index
+ current_line
->length
||
405 current_line
->ending
== END_0
)
408 previous_line
= current_line
;
409 current_line
= current_line
->next
;
411 } while (current_line
);
413 if (!current_line
) /* Error occurred start is not inside previous buffer */
415 FIXME(" modification occurred outside buffer\n");
416 ReleaseDC(es
->hwndSelf
, dc
);
420 /* Remember start of modifications in order to calculate update region */
421 nstart_line
= line_index
;
422 nstart_index
= current_line
->index
;
424 /* We must start to reformat from the previous line since the modifications
425 * may have caused the line to wrap upwards. */
426 if (!(es
->style
& ES_AUTOHSCROLL
) && line_index
> 0)
429 current_line
= previous_line
;
431 start_line
= current_line
;
433 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
434 current_position
= es
->text
+ current_line
->index
;
436 if (current_line
!= start_line
)
438 if (!current_line
|| current_line
->index
+ delta
> current_position
- es
->text
)
440 /* The buffer has been expanded, create a new line and
441 insert it into the link list */
442 LINEDEF
*new_line
= HeapAlloc(GetProcessHeap(), 0, sizeof(LINEDEF
));
443 new_line
->next
= previous_line
->next
;
444 previous_line
->next
= new_line
;
445 current_line
= new_line
;
448 else if (current_line
->index
+ delta
< current_position
- es
->text
)
450 /* The previous line merged with this line so we delete this extra entry */
451 previous_line
->next
= current_line
->next
;
452 HeapFree(GetProcessHeap(), 0, current_line
);
453 current_line
= previous_line
->next
;
457 else /* current_line->index + delta == current_position */
459 if (current_position
- es
->text
> iend
)
460 break; /* We reached end of line modifications */
461 /* else recalculate this line */
465 current_line
->index
= current_position
- es
->text
;
466 orig_net_length
= current_line
->net_length
;
468 /* Find end of line */
469 cp
= current_position
;
471 if (*cp
== '\n') break;
472 if ((*cp
== '\r') && (*(cp
+ 1) == '\n'))
477 /* Mark type of line termination */
479 current_line
->ending
= END_0
;
480 current_line
->net_length
= strlenW(current_position
);
481 } else if ((cp
> current_position
) && (*(cp
- 1) == '\r')) {
482 current_line
->ending
= END_SOFT
;
483 current_line
->net_length
= cp
- current_position
- 1;
484 } else if (*cp
== '\n') {
485 current_line
->ending
= END_RICH
;
486 current_line
->net_length
= cp
- current_position
;
488 current_line
->ending
= END_HARD
;
489 current_line
->net_length
= cp
- current_position
;
492 /* Calculate line width */
493 current_line
->width
= (INT
)LOWORD(GetTabbedTextExtentW(dc
,
494 current_position
, current_line
->net_length
,
495 es
->tabs_count
, es
->tabs
));
497 /* FIXME: check here for lines that are too wide even in AUTOHSCROLL (> 32767 ???) */
498 if (!(es
->style
& ES_AUTOHSCROLL
)) {
499 if (current_line
->width
> fw
) {
504 next
= EDIT_CallWordBreakProc(es
, current_position
- es
->text
,
505 prev
+ 1, current_line
->net_length
, WB_RIGHT
);
506 current_line
->width
= (INT
)LOWORD(GetTabbedTextExtentW(dc
,
507 current_position
, next
, es
->tabs_count
, es
->tabs
));
508 } while (current_line
->width
<= fw
);
509 if (!prev
) { /* Didn't find a line break so force a break */
514 current_line
->width
= (INT
)LOWORD(GetTabbedTextExtentW(dc
,
515 current_position
, next
, es
->tabs_count
, es
->tabs
));
516 } while (current_line
->width
<= fw
);
521 /* If the first line we are calculating, wrapped before istart, we must
522 * adjust istart in order for this to be reflected in the update region. */
523 if (current_line
->index
== nstart_index
&& istart
> current_line
->index
+ prev
)
524 istart
= current_line
->index
+ prev
;
525 /* else if we are updating the previous line before the first line we
526 * are re-calculating and it expanded */
527 else if (current_line
== start_line
&&
528 current_line
->index
!= nstart_index
&& orig_net_length
< prev
)
530 /* Line expanded due to an upwards line wrap so we must partially include
531 * previous line in update region */
532 nstart_line
= line_index
;
533 nstart_index
= current_line
->index
;
534 istart
= current_line
->index
+ orig_net_length
;
537 current_line
->net_length
= prev
;
538 current_line
->ending
= END_WRAP
;
539 current_line
->width
= (INT
)LOWORD(GetTabbedTextExtentW(dc
, current_position
,
540 current_line
->net_length
, es
->tabs_count
, es
->tabs
));
542 else if (current_line
== start_line
&&
543 current_line
->index
!= nstart_index
&&
544 orig_net_length
< current_line
->net_length
) {
545 /* The previous line expanded but it's still not as wide as the client rect */
546 /* The expansion is due to an upwards line wrap so we must partially include
547 it in the update region */
548 nstart_line
= line_index
;
549 nstart_index
= current_line
->index
;
550 istart
= current_line
->index
+ orig_net_length
;
555 /* Adjust length to include line termination */
556 switch (current_line
->ending
) {
558 current_line
->length
= current_line
->net_length
+ 3;
561 current_line
->length
= current_line
->net_length
+ 1;
564 current_line
->length
= current_line
->net_length
+ 2;
568 current_line
->length
= current_line
->net_length
;
571 es
->text_width
= max(es
->text_width
, current_line
->width
);
572 current_position
+= current_line
->length
;
573 previous_line
= current_line
;
574 current_line
= current_line
->next
;
576 } while (previous_line
->ending
!= END_0
);
578 /* Finish adjusting line indexes by delta or remove hanging lines */
579 if (previous_line
->ending
== END_0
)
581 LINEDEF
*pnext
= NULL
;
583 previous_line
->next
= NULL
;
586 pnext
= current_line
->next
;
587 HeapFree(GetProcessHeap(), 0, current_line
);
588 current_line
= pnext
;
596 current_line
->index
+= delta
;
597 current_line
= current_line
->next
;
601 /* Calculate rest of modification rectangle */
606 * We calculate two rectangles. One for the first line which may have
607 * an indent with respect to the format rect. The other is a format-width
608 * rectangle that spans the rest of the lines that changed or moved.
610 rc
.top
= es
->format_rect
.top
+ nstart_line
* es
->line_height
-
611 (es
->y_offset
* es
->line_height
); /* Adjust for vertical scrollbar */
612 rc
.bottom
= rc
.top
+ es
->line_height
;
613 if ((es
->style
& ES_CENTER
) || (es
->style
& ES_RIGHT
))
614 rc
.left
= es
->format_rect
.left
;
616 rc
.left
= es
->format_rect
.left
+ (INT
)LOWORD(GetTabbedTextExtentW(dc
,
617 es
->text
+ nstart_index
, istart
- nstart_index
,
618 es
->tabs_count
, es
->tabs
)) - es
->x_offset
; /* Adjust for horz scroll */
619 rc
.right
= es
->format_rect
.right
;
620 SetRectRgn(hrgn
, rc
.left
, rc
.top
, rc
.right
, rc
.bottom
);
623 rc
.left
= es
->format_rect
.left
;
624 rc
.right
= es
->format_rect
.right
;
626 * If lines were added or removed we must re-paint the remainder of the
627 * lines since the remaining lines were either shifted up or down.
629 if (line_count
< es
->line_count
) /* We added lines */
630 rc
.bottom
= es
->line_count
* es
->line_height
;
631 else if (line_count
> es
->line_count
) /* We removed lines */
632 rc
.bottom
= line_count
* es
->line_height
;
634 rc
.bottom
= line_index
* es
->line_height
;
635 rc
.bottom
+= es
->format_rect
.top
;
636 rc
.bottom
-= (es
->y_offset
* es
->line_height
); /* Adjust for vertical scrollbar */
637 tmphrgn
= CreateRectRgn(rc
.left
, rc
.top
, rc
.right
, rc
.bottom
);
638 CombineRgn(hrgn
, hrgn
, tmphrgn
, RGN_OR
);
639 DeleteObject(tmphrgn
);
643 SelectObject(dc
, old_font
);
645 ReleaseDC(es
->hwndSelf
, dc
);
648 /*********************************************************************
650 * EDIT_GetPasswordPointer_SL
652 * note: caller should free the (optionally) allocated buffer
655 static LPWSTR
EDIT_GetPasswordPointer_SL(EDITSTATE
*es
)
657 if (es
->style
& ES_PASSWORD
) {
658 INT len
= get_text_length(es
);
659 LPWSTR text
= HeapAlloc(GetProcessHeap(), 0, (len
+ 1) * sizeof(WCHAR
));
661 while(len
) text
[--len
] = es
->password_char
;
668 /*********************************************************************
670 * EDIT_CalcLineWidth_SL
673 static void EDIT_CalcLineWidth_SL(EDITSTATE
*es
)
680 text
= EDIT_GetPasswordPointer_SL(es
);
682 dc
= GetDC(es
->hwndSelf
);
684 old_font
= SelectObject(dc
, es
->font
);
686 GetTextExtentPoint32W(dc
, text
, strlenW(text
), &size
);
689 SelectObject(dc
, old_font
);
690 ReleaseDC(es
->hwndSelf
, dc
);
692 if (es
->style
& ES_PASSWORD
)
693 HeapFree(GetProcessHeap(), 0, text
);
695 es
->text_width
= size
.cx
;
698 /*********************************************************************
702 * Beware: This is not the function called on EM_CHARFROMPOS
703 * The position _can_ be outside the formatting / client
705 * The return value is only the character index
708 static INT
EDIT_CharFromPos(EDITSTATE
*es
, INT x
, INT y
, LPBOOL after_wrap
)
713 INT x_high
= 0, x_low
= 0;
715 if (es
->style
& ES_MULTILINE
) {
716 INT line
= (y
- es
->format_rect
.top
) / es
->line_height
+ es
->y_offset
;
718 LINEDEF
*line_def
= es
->first_line_def
;
720 while ((line
> 0) && line_def
->next
) {
721 line_index
+= line_def
->length
;
722 line_def
= line_def
->next
;
725 x
+= es
->x_offset
- es
->format_rect
.left
;
726 if (es
->style
& ES_RIGHT
)
727 x
-= (es
->format_rect
.right
- es
->format_rect
.left
) - line_def
->width
;
728 else if (es
->style
& ES_CENTER
)
729 x
-= ((es
->format_rect
.right
- es
->format_rect
.left
) - line_def
->width
) / 2;
730 if (x
>= line_def
->width
) {
732 *after_wrap
= (line_def
->ending
== END_WRAP
);
733 return line_index
+ line_def
->net_length
;
740 dc
= GetDC(es
->hwndSelf
);
742 old_font
= SelectObject(dc
, es
->font
);
744 high
= line_index
+ line_def
->net_length
+ 1;
745 while (low
< high
- 1)
747 INT mid
= (low
+ high
) / 2;
748 INT x_now
= LOWORD(GetTabbedTextExtentW(dc
, es
->text
+ line_index
, mid
- line_index
, es
->tabs_count
, es
->tabs
));
757 if (abs(x_high
- x
) + 1 <= abs(x_low
- x
))
763 *after_wrap
= ((index
== line_index
+ line_def
->net_length
) &&
764 (line_def
->ending
== END_WRAP
));
770 x
-= es
->format_rect
.left
;
776 INT indent
= (es
->format_rect
.right
- es
->format_rect
.left
) - es
->text_width
;
777 if (es
->style
& ES_RIGHT
)
779 else if (es
->style
& ES_CENTER
)
783 text
= EDIT_GetPasswordPointer_SL(es
);
784 dc
= GetDC(es
->hwndSelf
);
786 old_font
= SelectObject(dc
, es
->font
);
790 INT high
= es
->x_offset
;
791 while (low
< high
- 1)
793 INT mid
= (low
+ high
) / 2;
794 GetTextExtentPoint32W( dc
, text
+ mid
,
795 es
->x_offset
- mid
, &size
);
804 if (abs(x_high
+ x
) <= abs(x_low
+ x
) + 1)
811 INT low
= es
->x_offset
;
812 INT high
= get_text_length(es
) + 1;
813 while (low
< high
- 1)
815 INT mid
= (low
+ high
) / 2;
816 GetTextExtentPoint32W( dc
, text
+ es
->x_offset
,
817 mid
- es
->x_offset
, &size
);
826 if (abs(x_high
- x
) <= abs(x_low
- x
) + 1)
831 if (es
->style
& ES_PASSWORD
)
832 HeapFree(GetProcessHeap(), 0, text
);
835 SelectObject(dc
, old_font
);
836 ReleaseDC(es
->hwndSelf
, dc
);
841 /*********************************************************************
845 * adjusts the point to be within the formatting rectangle
846 * (so CharFromPos returns the nearest _visible_ character)
849 static void EDIT_ConfinePoint(const EDITSTATE
*es
, LPINT x
, LPINT y
)
851 *x
= min(max(*x
, es
->format_rect
.left
), es
->format_rect
.right
- 1);
852 *y
= min(max(*y
, es
->format_rect
.top
), es
->format_rect
.bottom
- 1);
856 /*********************************************************************
861 static INT
EDIT_EM_LineFromChar(EDITSTATE
*es
, INT index
)
866 if (!(es
->style
& ES_MULTILINE
))
868 if (index
> (INT
)get_text_length(es
))
869 return es
->line_count
- 1;
871 index
= min(es
->selection_start
, es
->selection_end
);
874 line_def
= es
->first_line_def
;
875 index
-= line_def
->length
;
876 while ((index
>= 0) && line_def
->next
) {
878 line_def
= line_def
->next
;
879 index
-= line_def
->length
;
885 /*********************************************************************
890 static INT
EDIT_EM_LineIndex(const EDITSTATE
*es
, INT line
)
893 const LINEDEF
*line_def
;
895 if (!(es
->style
& ES_MULTILINE
))
897 if (line
>= es
->line_count
)
901 line_def
= es
->first_line_def
;
903 INT index
= es
->selection_end
- line_def
->length
;
904 while ((index
>= 0) && line_def
->next
) {
905 line_index
+= line_def
->length
;
906 line_def
= line_def
->next
;
907 index
-= line_def
->length
;
911 line_index
+= line_def
->length
;
912 line_def
= line_def
->next
;
920 /*********************************************************************
925 static INT
EDIT_EM_LineLength(EDITSTATE
*es
, INT index
)
929 if (!(es
->style
& ES_MULTILINE
))
930 return get_text_length(es
);
933 /* get the number of remaining non-selected chars of selected lines */
934 INT32 l
; /* line number */
935 INT32 li
; /* index of first char in line */
937 l
= EDIT_EM_LineFromChar(es
, es
->selection_start
);
938 /* # chars before start of selection area */
939 count
= es
->selection_start
- EDIT_EM_LineIndex(es
, l
);
940 l
= EDIT_EM_LineFromChar(es
, es
->selection_end
);
941 /* # chars after end of selection */
942 li
= EDIT_EM_LineIndex(es
, l
);
943 count
+= li
+ EDIT_EM_LineLength(es
, li
) - es
->selection_end
;
946 line_def
= es
->first_line_def
;
947 index
-= line_def
->length
;
948 while ((index
>= 0) && line_def
->next
) {
949 line_def
= line_def
->next
;
950 index
-= line_def
->length
;
952 return line_def
->net_length
;
956 /*********************************************************************
961 static LRESULT
EDIT_EM_PosFromChar(EDITSTATE
*es
, INT index
, BOOL after_wrap
)
963 INT len
= get_text_length(es
);
976 index
= min(index
, len
);
977 dc
= GetDC(es
->hwndSelf
);
979 old_font
= SelectObject(dc
, es
->font
);
980 if (es
->style
& ES_MULTILINE
) {
981 l
= EDIT_EM_LineFromChar(es
, index
);
982 y
= (l
- es
->y_offset
) * es
->line_height
;
983 li
= EDIT_EM_LineIndex(es
, l
);
984 if (after_wrap
&& (li
== index
) && l
) {
986 line_def
= es
->first_line_def
;
988 line_def
= line_def
->next
;
991 if (line_def
->ending
== END_WRAP
) {
993 y
-= es
->line_height
;
994 li
= EDIT_EM_LineIndex(es
, l
);
998 line_def
= es
->first_line_def
;
999 while (line_def
->index
!= li
)
1000 line_def
= line_def
->next
;
1002 ll
= line_def
->net_length
;
1003 lw
= line_def
->width
;
1005 w
= es
->format_rect
.right
- es
->format_rect
.left
;
1006 if (es
->style
& ES_RIGHT
)
1008 x
= LOWORD(GetTabbedTextExtentW(dc
, es
->text
+ li
+ (index
- li
), ll
- (index
- li
),
1009 es
->tabs_count
, es
->tabs
)) - es
->x_offset
;
1012 else if (es
->style
& ES_CENTER
)
1014 x
= LOWORD(GetTabbedTextExtentW(dc
, es
->text
+ li
, index
- li
,
1015 es
->tabs_count
, es
->tabs
)) - es
->x_offset
;
1020 x
= LOWORD(GetTabbedTextExtentW(dc
, es
->text
+ li
, index
- li
,
1021 es
->tabs_count
, es
->tabs
)) - es
->x_offset
;
1024 LPWSTR text
= EDIT_GetPasswordPointer_SL(es
);
1025 if (index
< es
->x_offset
) {
1026 GetTextExtentPoint32W(dc
, text
+ index
,
1027 es
->x_offset
- index
, &size
);
1030 GetTextExtentPoint32W(dc
, text
+ es
->x_offset
,
1031 index
- es
->x_offset
, &size
);
1034 if (!es
->x_offset
&& (es
->style
& (ES_RIGHT
| ES_CENTER
)))
1036 w
= es
->format_rect
.right
- es
->format_rect
.left
;
1037 if (w
> es
->text_width
)
1039 if (es
->style
& ES_RIGHT
)
1040 x
+= w
- es
->text_width
;
1041 else if (es
->style
& ES_CENTER
)
1042 x
+= (w
- es
->text_width
) / 2;
1047 if (es
->style
& ES_PASSWORD
)
1048 HeapFree(GetProcessHeap(), 0, text
);
1050 x
+= es
->format_rect
.left
;
1051 y
+= es
->format_rect
.top
;
1053 SelectObject(dc
, old_font
);
1054 ReleaseDC(es
->hwndSelf
, dc
);
1055 return MAKELONG((INT16
)x
, (INT16
)y
);
1059 /*********************************************************************
1063 * Calculates the bounding rectangle for a line from a starting
1064 * column to an ending column.
1067 static void EDIT_GetLineRect(EDITSTATE
*es
, INT line
, INT scol
, INT ecol
, LPRECT rc
)
1069 INT line_index
= EDIT_EM_LineIndex(es
, line
);
1071 if (es
->style
& ES_MULTILINE
)
1072 rc
->top
= es
->format_rect
.top
+ (line
- es
->y_offset
) * es
->line_height
;
1074 rc
->top
= es
->format_rect
.top
;
1075 rc
->bottom
= rc
->top
+ es
->line_height
;
1076 rc
->left
= (scol
== 0) ? es
->format_rect
.left
: (short)LOWORD(EDIT_EM_PosFromChar(es
, line_index
+ scol
, TRUE
));
1077 rc
->right
= (ecol
== -1) ? es
->format_rect
.right
: (short)LOWORD(EDIT_EM_PosFromChar(es
, line_index
+ ecol
, TRUE
));
1081 static inline void text_buffer_changed(EDITSTATE
*es
)
1083 es
->text_length
= (UINT
)-1;
1085 HeapFree( GetProcessHeap(), 0, es
->logAttr
);
1089 /*********************************************************************
1093 static void EDIT_LockBuffer(EDITSTATE
*es
)
1097 if(!es
->hloc32W
) return;
1101 CHAR
*textA
= LocalLock(es
->hloc32A
);
1103 UINT countW_new
= MultiByteToWideChar(CP_ACP
, 0, textA
, -1, NULL
, 0);
1104 if(countW_new
> es
->buffer_size
+ 1)
1106 UINT alloc_size
= ROUND_TO_GROW(countW_new
* sizeof(WCHAR
));
1107 TRACE("Resizing 32-bit UNICODE buffer from %d+1 to %d WCHARs\n", es
->buffer_size
, countW_new
);
1108 hloc32W_new
= LocalReAlloc(es
->hloc32W
, alloc_size
, LMEM_MOVEABLE
| LMEM_ZEROINIT
);
1111 es
->hloc32W
= hloc32W_new
;
1112 es
->buffer_size
= LocalSize(hloc32W_new
)/sizeof(WCHAR
) - 1;
1113 TRACE("Real new size %d+1 WCHARs\n", es
->buffer_size
);
1116 WARN("FAILED! Will synchronize partially\n");
1118 es
->text
= LocalLock(es
->hloc32W
);
1119 MultiByteToWideChar(CP_ACP
, 0, textA
, -1, es
->text
, es
->buffer_size
+ 1);
1120 LocalUnlock(es
->hloc32A
);
1122 else es
->text
= LocalLock(es
->hloc32W
);
1124 if(es
->flags
& EF_APP_HAS_HANDLE
) text_buffer_changed(es
);
1129 /*********************************************************************
1134 static void EDIT_UnlockBuffer(EDITSTATE
*es
, BOOL force
)
1137 /* Edit window might be already destroyed */
1138 if(!IsWindow(es
->hwndSelf
))
1140 WARN("edit hwnd %p already destroyed\n", es
->hwndSelf
);
1144 if (!es
->lock_count
) {
1145 ERR("lock_count == 0 ... please report\n");
1149 ERR("es->text == 0 ... please report\n");
1153 if (force
|| (es
->lock_count
== 1)) {
1156 UINT countW
= get_text_length(es
) + 1;
1160 UINT countA_new
= WideCharToMultiByte(CP_ACP
, 0, es
->text
, countW
, NULL
, 0, NULL
, NULL
);
1161 TRACE("Synchronizing with 32-bit ANSI buffer\n");
1162 TRACE("%d WCHARs translated to %d bytes\n", countW
, countA_new
);
1163 countA
= LocalSize(es
->hloc32A
);
1164 if(countA_new
> countA
)
1167 UINT alloc_size
= ROUND_TO_GROW(countA_new
);
1168 TRACE("Resizing 32-bit ANSI buffer from %d to %d bytes\n", countA
, alloc_size
);
1169 hloc32A_new
= LocalReAlloc(es
->hloc32A
, alloc_size
, LMEM_MOVEABLE
| LMEM_ZEROINIT
);
1172 es
->hloc32A
= hloc32A_new
;
1173 countA
= LocalSize(hloc32A_new
);
1174 TRACE("Real new size %d bytes\n", countA
);
1177 WARN("FAILED! Will synchronize partially\n");
1179 WideCharToMultiByte(CP_ACP
, 0, es
->text
, countW
,
1180 LocalLock(es
->hloc32A
), countA
, NULL
, NULL
);
1181 LocalUnlock(es
->hloc32A
);
1184 LocalUnlock(es
->hloc32W
);
1188 ERR("no buffer ... please report\n");
1196 /*********************************************************************
1200 * Try to fit size + 1 characters in the buffer.
1202 static BOOL
EDIT_MakeFit(EDITSTATE
*es
, UINT size
)
1206 if (size
<= es
->buffer_size
)
1209 TRACE("trying to ReAlloc to %d+1 characters\n", size
);
1211 /* Force edit to unlock it's buffer. es->text now NULL */
1212 EDIT_UnlockBuffer(es
, TRUE
);
1215 UINT alloc_size
= ROUND_TO_GROW((size
+ 1) * sizeof(WCHAR
));
1216 if ((hNew32W
= LocalReAlloc(es
->hloc32W
, alloc_size
, LMEM_MOVEABLE
| LMEM_ZEROINIT
))) {
1217 TRACE("Old 32 bit handle %p, new handle %p\n", es
->hloc32W
, hNew32W
);
1218 es
->hloc32W
= hNew32W
;
1219 es
->buffer_size
= LocalSize(hNew32W
)/sizeof(WCHAR
) - 1;
1223 EDIT_LockBuffer(es
);
1225 if (es
->buffer_size
< size
) {
1226 WARN("FAILED ! We now have %d+1\n", es
->buffer_size
);
1227 EDIT_NOTIFY_PARENT(es
, EN_ERRSPACE
);
1230 TRACE("We now have %d+1\n", es
->buffer_size
);
1236 /*********************************************************************
1240 * Try to fit size + 1 bytes in the undo buffer.
1243 static BOOL
EDIT_MakeUndoFit(EDITSTATE
*es
, UINT size
)
1247 if (size
<= es
->undo_buffer_size
)
1250 TRACE("trying to ReAlloc to %d+1\n", size
);
1252 alloc_size
= ROUND_TO_GROW((size
+ 1) * sizeof(WCHAR
));
1253 if ((es
->undo_text
= HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, es
->undo_text
, alloc_size
))) {
1254 es
->undo_buffer_size
= alloc_size
/sizeof(WCHAR
) - 1;
1259 WARN("FAILED ! We now have %d+1\n", es
->undo_buffer_size
);
1265 /*********************************************************************
1267 * EDIT_UpdateTextRegion
1270 static void EDIT_UpdateTextRegion(EDITSTATE
*es
, HRGN hrgn
, BOOL bErase
)
1272 if (es
->flags
& EF_UPDATE
) {
1273 es
->flags
&= ~EF_UPDATE
;
1274 EDIT_NOTIFY_PARENT(es
, EN_UPDATE
);
1276 InvalidateRgn(es
->hwndSelf
, hrgn
, bErase
);
1280 /*********************************************************************
1285 static void EDIT_UpdateText(EDITSTATE
*es
, const RECT
*rc
, BOOL bErase
)
1287 if (es
->flags
& EF_UPDATE
) {
1288 es
->flags
&= ~EF_UPDATE
;
1289 EDIT_NOTIFY_PARENT(es
, EN_UPDATE
);
1291 InvalidateRect(es
->hwndSelf
, rc
, bErase
);
1294 /*********************************************************************
1296 * EDIT_SL_InvalidateText
1298 * Called from EDIT_InvalidateText().
1299 * Does the job for single-line controls only.
1302 static void EDIT_SL_InvalidateText(EDITSTATE
*es
, INT start
, INT end
)
1307 EDIT_GetLineRect(es
, 0, start
, end
, &line_rect
);
1308 if (IntersectRect(&rc
, &line_rect
, &es
->format_rect
))
1309 EDIT_UpdateText(es
, &rc
, TRUE
);
1313 static inline INT
get_vertical_line_count(EDITSTATE
*es
)
1315 INT vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
1319 /*********************************************************************
1321 * EDIT_ML_InvalidateText
1323 * Called from EDIT_InvalidateText().
1324 * Does the job for multi-line controls only.
1327 static void EDIT_ML_InvalidateText(EDITSTATE
*es
, INT start
, INT end
)
1329 INT vlc
= get_vertical_line_count(es
);
1330 INT sl
= EDIT_EM_LineFromChar(es
, start
);
1331 INT el
= EDIT_EM_LineFromChar(es
, end
);
1340 if ((el
< es
->y_offset
) || (sl
> es
->y_offset
+ vlc
))
1343 sc
= start
- EDIT_EM_LineIndex(es
, sl
);
1344 ec
= end
- EDIT_EM_LineIndex(es
, el
);
1345 if (sl
< es
->y_offset
) {
1349 if (el
> es
->y_offset
+ vlc
) {
1350 el
= es
->y_offset
+ vlc
;
1351 ec
= EDIT_EM_LineLength(es
, EDIT_EM_LineIndex(es
, el
));
1353 GetClientRect(es
->hwndSelf
, &rc1
);
1354 IntersectRect(&rcWnd
, &rc1
, &es
->format_rect
);
1356 EDIT_GetLineRect(es
, sl
, sc
, ec
, &rcLine
);
1357 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1358 EDIT_UpdateText(es
, &rcUpdate
, TRUE
);
1360 EDIT_GetLineRect(es
, sl
, sc
,
1361 EDIT_EM_LineLength(es
,
1362 EDIT_EM_LineIndex(es
, sl
)),
1364 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1365 EDIT_UpdateText(es
, &rcUpdate
, TRUE
);
1366 for (l
= sl
+ 1 ; l
< el
; l
++) {
1367 EDIT_GetLineRect(es
, l
, 0,
1368 EDIT_EM_LineLength(es
,
1369 EDIT_EM_LineIndex(es
, l
)),
1371 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1372 EDIT_UpdateText(es
, &rcUpdate
, TRUE
);
1374 EDIT_GetLineRect(es
, el
, 0, ec
, &rcLine
);
1375 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1376 EDIT_UpdateText(es
, &rcUpdate
, TRUE
);
1381 /*********************************************************************
1383 * EDIT_InvalidateText
1385 * Invalidate the text from offset start up to, but not including,
1386 * offset end. Useful for (re)painting the selection.
1387 * Regions outside the linewidth are not invalidated.
1388 * end == -1 means end == TextLength.
1389 * start and end need not be ordered.
1392 static void EDIT_InvalidateText(EDITSTATE
*es
, INT start
, INT end
)
1398 end
= get_text_length(es
);
1406 if (es
->style
& ES_MULTILINE
)
1407 EDIT_ML_InvalidateText(es
, start
, end
);
1409 EDIT_SL_InvalidateText(es
, start
, end
);
1413 /*********************************************************************
1417 * note: unlike the specs say: the order of start and end
1418 * _is_ preserved in Windows. (i.e. start can be > end)
1419 * In other words: this handler is OK
1422 static void EDIT_EM_SetSel(EDITSTATE
*es
, UINT start
, UINT end
, BOOL after_wrap
)
1424 UINT old_start
= es
->selection_start
;
1425 UINT old_end
= es
->selection_end
;
1426 UINT len
= get_text_length(es
);
1428 if (start
== (UINT
)-1) {
1429 start
= es
->selection_end
;
1430 end
= es
->selection_end
;
1432 start
= min(start
, len
);
1433 end
= min(end
, len
);
1435 es
->selection_start
= start
;
1436 es
->selection_end
= end
;
1438 es
->flags
|= EF_AFTER_WRAP
;
1440 es
->flags
&= ~EF_AFTER_WRAP
;
1441 /* Compute the necessary invalidation region. */
1442 /* Note that we don't need to invalidate regions which have
1443 * "never" been selected, or those which are "still" selected.
1444 * In fact, every time we hit a selection boundary, we can
1445 * *toggle* whether we need to invalidate. Thus we can optimize by
1446 * *sorting* the interval endpoints. Let's assume that we sort them
1448 * start <= end <= old_start <= old_end
1449 * Knuth 5.3.1 (p 183) assures us that this can be done optimally
1450 * in 5 comparisons; i.e. it is impossible to do better than the
1452 ORDER_UINT(end
, old_end
);
1453 ORDER_UINT(start
, old_start
);
1454 ORDER_UINT(old_start
, old_end
);
1455 ORDER_UINT(start
, end
);
1456 /* Note that at this point 'end' and 'old_start' are not in order, but
1457 * start is definitely the min. and old_end is definitely the max. */
1458 if (end
!= old_start
)
1462 * ORDER_UINT32(end, old_start);
1463 * EDIT_InvalidateText(es, start, end);
1464 * EDIT_InvalidateText(es, old_start, old_end);
1465 * in place of the following if statement.
1466 * (That would complete the optimal five-comparison four-element sort.)
1468 if (old_start
> end
)
1470 EDIT_InvalidateText(es
, start
, end
);
1471 EDIT_InvalidateText(es
, old_start
, old_end
);
1475 EDIT_InvalidateText(es
, start
, old_start
);
1476 EDIT_InvalidateText(es
, end
, old_end
);
1479 else EDIT_InvalidateText(es
, start
, old_end
);
1483 /*********************************************************************
1485 * EDIT_UpdateScrollInfo
1488 static void EDIT_UpdateScrollInfo(EDITSTATE
*es
)
1490 if ((es
->style
& WS_VSCROLL
) && !(es
->flags
& EF_VSCROLL_TRACK
))
1493 si
.cbSize
= sizeof(SCROLLINFO
);
1494 si
.fMask
= SIF_PAGE
| SIF_POS
| SIF_RANGE
| SIF_DISABLENOSCROLL
;
1496 si
.nMax
= es
->line_count
- 1;
1497 si
.nPage
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
1498 si
.nPos
= es
->y_offset
;
1499 TRACE("SB_VERT, nMin=%d, nMax=%d, nPage=%d, nPos=%d\n",
1500 si
.nMin
, si
.nMax
, si
.nPage
, si
.nPos
);
1501 SetScrollInfo(es
->hwndSelf
, SB_VERT
, &si
, TRUE
);
1504 if ((es
->style
& WS_HSCROLL
) && !(es
->flags
& EF_HSCROLL_TRACK
))
1507 si
.cbSize
= sizeof(SCROLLINFO
);
1508 si
.fMask
= SIF_PAGE
| SIF_POS
| SIF_RANGE
| SIF_DISABLENOSCROLL
;
1510 si
.nMax
= es
->text_width
- 1;
1511 si
.nPage
= es
->format_rect
.right
- es
->format_rect
.left
;
1512 si
.nPos
= es
->x_offset
;
1513 TRACE("SB_HORZ, nMin=%d, nMax=%d, nPage=%d, nPos=%d\n",
1514 si
.nMin
, si
.nMax
, si
.nPage
, si
.nPos
);
1515 SetScrollInfo(es
->hwndSelf
, SB_HORZ
, &si
, TRUE
);
1520 /*********************************************************************
1522 * EDIT_EM_LineScroll_internal
1524 * Version of EDIT_EM_LineScroll for internal use.
1525 * It doesn't refuse if ES_MULTILINE is set and assumes that
1526 * dx is in pixels, dy - in lines.
1529 static BOOL
EDIT_EM_LineScroll_internal(EDITSTATE
*es
, INT dx
, INT dy
)
1532 INT x_offset_in_pixels
;
1533 INT lines_per_page
= (es
->format_rect
.bottom
- es
->format_rect
.top
) /
1536 if (es
->style
& ES_MULTILINE
)
1538 x_offset_in_pixels
= es
->x_offset
;
1543 x_offset_in_pixels
= (short)LOWORD(EDIT_EM_PosFromChar(es
, es
->x_offset
, FALSE
));
1546 if (-dx
> x_offset_in_pixels
)
1547 dx
= -x_offset_in_pixels
;
1548 if (dx
> es
->text_width
- x_offset_in_pixels
)
1549 dx
= es
->text_width
- x_offset_in_pixels
;
1550 nyoff
= max(0, es
->y_offset
+ dy
);
1551 if (nyoff
>= es
->line_count
- lines_per_page
)
1552 nyoff
= max(0, es
->line_count
- lines_per_page
);
1553 dy
= (es
->y_offset
- nyoff
) * es
->line_height
;
1558 es
->y_offset
= nyoff
;
1559 if(es
->style
& ES_MULTILINE
)
1562 es
->x_offset
+= dx
/ es
->char_width
;
1564 GetClientRect(es
->hwndSelf
, &rc1
);
1565 IntersectRect(&rc
, &rc1
, &es
->format_rect
);
1566 ScrollWindowEx(es
->hwndSelf
, -dx
, dy
,
1567 NULL
, &rc
, NULL
, NULL
, SW_INVALIDATE
);
1568 /* force scroll info update */
1569 EDIT_UpdateScrollInfo(es
);
1571 if (dx
&& !(es
->flags
& EF_HSCROLL_TRACK
))
1572 EDIT_NOTIFY_PARENT(es
, EN_HSCROLL
);
1573 if (dy
&& !(es
->flags
& EF_VSCROLL_TRACK
))
1574 EDIT_NOTIFY_PARENT(es
, EN_VSCROLL
);
1578 /*********************************************************************
1582 * NOTE: dx is in average character widths, dy - in lines;
1585 static BOOL
EDIT_EM_LineScroll(EDITSTATE
*es
, INT dx
, INT dy
)
1587 if (!(es
->style
& ES_MULTILINE
))
1590 dx
*= es
->char_width
;
1591 return EDIT_EM_LineScroll_internal(es
, dx
, dy
);
1595 /*********************************************************************
1600 static LRESULT
EDIT_EM_Scroll(EDITSTATE
*es
, INT action
)
1604 if (!(es
->style
& ES_MULTILINE
))
1605 return (LRESULT
)FALSE
;
1615 if (es
->y_offset
< es
->line_count
- 1)
1620 dy
= -(es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
1623 if (es
->y_offset
< es
->line_count
- 1)
1624 dy
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
1627 return (LRESULT
)FALSE
;
1630 INT vlc
= get_vertical_line_count(es
);
1631 /* check if we are going to move too far */
1632 if(es
->y_offset
+ dy
> es
->line_count
- vlc
)
1633 dy
= max(es
->line_count
- vlc
, 0) - es
->y_offset
;
1635 /* Notification is done in EDIT_EM_LineScroll */
1637 EDIT_EM_LineScroll(es
, 0, dy
);
1638 return MAKELONG(dy
, TRUE
);
1642 return (LRESULT
)FALSE
;
1646 /*********************************************************************
1651 static void EDIT_SetCaretPos(EDITSTATE
*es
, INT pos
,
1654 LRESULT res
= EDIT_EM_PosFromChar(es
, pos
, after_wrap
);
1655 TRACE("%d - %dx%d\n", pos
, (short)LOWORD(res
), (short)HIWORD(res
));
1656 SetCaretPos((short)LOWORD(res
), (short)HIWORD(res
));
1660 /*********************************************************************
1665 static void EDIT_EM_ScrollCaret(EDITSTATE
*es
)
1667 if (es
->style
& ES_MULTILINE
) {
1671 INT cw
= es
->char_width
;
1676 l
= EDIT_EM_LineFromChar(es
, es
->selection_end
);
1677 x
= (short)LOWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
));
1678 vlc
= get_vertical_line_count(es
);
1679 if (l
>= es
->y_offset
+ vlc
)
1680 dy
= l
- vlc
+ 1 - es
->y_offset
;
1681 if (l
< es
->y_offset
)
1682 dy
= l
- es
->y_offset
;
1683 ww
= es
->format_rect
.right
- es
->format_rect
.left
;
1684 if (x
< es
->format_rect
.left
)
1685 dx
= x
- es
->format_rect
.left
- ww
/ HSCROLL_FRACTION
/ cw
* cw
;
1686 if (x
> es
->format_rect
.right
)
1687 dx
= x
- es
->format_rect
.left
- (HSCROLL_FRACTION
- 1) * ww
/ HSCROLL_FRACTION
/ cw
* cw
;
1688 if (dy
|| dx
|| (es
->y_offset
&& (es
->line_count
- es
->y_offset
< vlc
)))
1690 /* check if we are going to move too far */
1691 if(es
->x_offset
+ dx
+ ww
> es
->text_width
)
1692 dx
= es
->text_width
- ww
- es
->x_offset
;
1693 if(dx
|| dy
|| (es
->y_offset
&& (es
->line_count
- es
->y_offset
< vlc
)))
1694 EDIT_EM_LineScroll_internal(es
, dx
, dy
);
1701 x
= (short)LOWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, FALSE
));
1702 format_width
= es
->format_rect
.right
- es
->format_rect
.left
;
1703 if (x
< es
->format_rect
.left
) {
1704 goal
= es
->format_rect
.left
+ format_width
/ HSCROLL_FRACTION
;
1707 x
= (short)LOWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, FALSE
));
1708 } while ((x
< goal
) && es
->x_offset
);
1709 /* FIXME: use ScrollWindow() somehow to improve performance */
1710 EDIT_UpdateText(es
, NULL
, TRUE
);
1711 } else if (x
> es
->format_rect
.right
) {
1713 INT len
= get_text_length(es
);
1714 goal
= es
->format_rect
.right
- format_width
/ HSCROLL_FRACTION
;
1717 x
= (short)LOWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, FALSE
));
1718 x_last
= (short)LOWORD(EDIT_EM_PosFromChar(es
, len
, FALSE
));
1719 } while ((x
> goal
) && (x_last
> es
->format_rect
.right
));
1720 /* FIXME: use ScrollWindow() somehow to improve performance */
1721 EDIT_UpdateText(es
, NULL
, TRUE
);
1725 if(es
->flags
& EF_FOCUSED
)
1726 EDIT_SetCaretPos(es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
);
1730 /*********************************************************************
1735 static void EDIT_MoveBackward(EDITSTATE
*es
, BOOL extend
)
1737 INT e
= es
->selection_end
;
1741 if ((es
->style
& ES_MULTILINE
) && e
&&
1742 (es
->text
[e
- 1] == '\r') && (es
->text
[e
] == '\n')) {
1744 if (e
&& (es
->text
[e
- 1] == '\r'))
1748 EDIT_EM_SetSel(es
, extend
? es
->selection_start
: e
, e
, FALSE
);
1749 EDIT_EM_ScrollCaret(es
);
1753 /*********************************************************************
1757 * Only for multi line controls
1758 * Move the caret one line down, on a column with the nearest
1759 * x coordinate on the screen (might be a different column).
1762 static void EDIT_MoveDown_ML(EDITSTATE
*es
, BOOL extend
)
1764 INT s
= es
->selection_start
;
1765 INT e
= es
->selection_end
;
1766 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
1767 LRESULT pos
= EDIT_EM_PosFromChar(es
, e
, after_wrap
);
1768 INT x
= (short)LOWORD(pos
);
1769 INT y
= (short)HIWORD(pos
);
1771 e
= EDIT_CharFromPos(es
, x
, y
+ es
->line_height
, &after_wrap
);
1774 EDIT_EM_SetSel(es
, s
, e
, after_wrap
);
1775 EDIT_EM_ScrollCaret(es
);
1779 /*********************************************************************
1784 static void EDIT_MoveEnd(EDITSTATE
*es
, BOOL extend
, BOOL ctrl
)
1786 BOOL after_wrap
= FALSE
;
1789 /* Pass a high value in x to make sure of receiving the end of the line */
1790 if (!ctrl
&& (es
->style
& ES_MULTILINE
))
1791 e
= EDIT_CharFromPos(es
, 0x3fffffff,
1792 HIWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
)), &after_wrap
);
1794 e
= get_text_length(es
);
1795 EDIT_EM_SetSel(es
, extend
? es
->selection_start
: e
, e
, after_wrap
);
1796 EDIT_EM_ScrollCaret(es
);
1800 /*********************************************************************
1805 static void EDIT_MoveForward(EDITSTATE
*es
, BOOL extend
)
1807 INT e
= es
->selection_end
;
1811 if ((es
->style
& ES_MULTILINE
) && (es
->text
[e
- 1] == '\r')) {
1812 if (es
->text
[e
] == '\n')
1814 else if ((es
->text
[e
] == '\r') && (es
->text
[e
+ 1] == '\n'))
1818 EDIT_EM_SetSel(es
, extend
? es
->selection_start
: e
, e
, FALSE
);
1819 EDIT_EM_ScrollCaret(es
);
1823 /*********************************************************************
1827 * Home key: move to beginning of line.
1830 static void EDIT_MoveHome(EDITSTATE
*es
, BOOL extend
, BOOL ctrl
)
1834 /* Pass the x_offset in x to make sure of receiving the first position of the line */
1835 if (!ctrl
&& (es
->style
& ES_MULTILINE
))
1836 e
= EDIT_CharFromPos(es
, -es
->x_offset
,
1837 HIWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
)), NULL
);
1840 EDIT_EM_SetSel(es
, extend
? es
->selection_start
: e
, e
, FALSE
);
1841 EDIT_EM_ScrollCaret(es
);
1845 /*********************************************************************
1847 * EDIT_MovePageDown_ML
1849 * Only for multi line controls
1850 * Move the caret one page down, on a column with the nearest
1851 * x coordinate on the screen (might be a different column).
1854 static void EDIT_MovePageDown_ML(EDITSTATE
*es
, BOOL extend
)
1856 INT s
= es
->selection_start
;
1857 INT e
= es
->selection_end
;
1858 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
1859 LRESULT pos
= EDIT_EM_PosFromChar(es
, e
, after_wrap
);
1860 INT x
= (short)LOWORD(pos
);
1861 INT y
= (short)HIWORD(pos
);
1863 e
= EDIT_CharFromPos(es
, x
,
1864 y
+ (es
->format_rect
.bottom
- es
->format_rect
.top
),
1868 EDIT_EM_SetSel(es
, s
, e
, after_wrap
);
1869 EDIT_EM_ScrollCaret(es
);
1873 /*********************************************************************
1875 * EDIT_MovePageUp_ML
1877 * Only for multi line controls
1878 * Move the caret one page up, on a column with the nearest
1879 * x coordinate on the screen (might be a different column).
1882 static void EDIT_MovePageUp_ML(EDITSTATE
*es
, BOOL extend
)
1884 INT s
= es
->selection_start
;
1885 INT e
= es
->selection_end
;
1886 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
1887 LRESULT pos
= EDIT_EM_PosFromChar(es
, e
, after_wrap
);
1888 INT x
= (short)LOWORD(pos
);
1889 INT y
= (short)HIWORD(pos
);
1891 e
= EDIT_CharFromPos(es
, x
,
1892 y
- (es
->format_rect
.bottom
- es
->format_rect
.top
),
1896 EDIT_EM_SetSel(es
, s
, e
, after_wrap
);
1897 EDIT_EM_ScrollCaret(es
);
1901 /*********************************************************************
1905 * Only for multi line controls
1906 * Move the caret one line up, on a column with the nearest
1907 * x coordinate on the screen (might be a different column).
1910 static void EDIT_MoveUp_ML(EDITSTATE
*es
, BOOL extend
)
1912 INT s
= es
->selection_start
;
1913 INT e
= es
->selection_end
;
1914 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
1915 LRESULT pos
= EDIT_EM_PosFromChar(es
, e
, after_wrap
);
1916 INT x
= (short)LOWORD(pos
);
1917 INT y
= (short)HIWORD(pos
);
1919 e
= EDIT_CharFromPos(es
, x
, y
- es
->line_height
, &after_wrap
);
1922 EDIT_EM_SetSel(es
, s
, e
, after_wrap
);
1923 EDIT_EM_ScrollCaret(es
);
1927 /*********************************************************************
1929 * EDIT_MoveWordBackward
1932 static void EDIT_MoveWordBackward(EDITSTATE
*es
, BOOL extend
)
1934 INT s
= es
->selection_start
;
1935 INT e
= es
->selection_end
;
1940 l
= EDIT_EM_LineFromChar(es
, e
);
1941 ll
= EDIT_EM_LineLength(es
, e
);
1942 li
= EDIT_EM_LineIndex(es
, l
);
1945 li
= EDIT_EM_LineIndex(es
, l
- 1);
1946 e
= li
+ EDIT_EM_LineLength(es
, li
);
1949 e
= li
+ EDIT_CallWordBreakProc(es
, li
, e
- li
, ll
, WB_LEFT
);
1953 EDIT_EM_SetSel(es
, s
, e
, FALSE
);
1954 EDIT_EM_ScrollCaret(es
);
1958 /*********************************************************************
1960 * EDIT_MoveWordForward
1963 static void EDIT_MoveWordForward(EDITSTATE
*es
, BOOL extend
)
1965 INT s
= es
->selection_start
;
1966 INT e
= es
->selection_end
;
1971 l
= EDIT_EM_LineFromChar(es
, e
);
1972 ll
= EDIT_EM_LineLength(es
, e
);
1973 li
= EDIT_EM_LineIndex(es
, l
);
1975 if ((es
->style
& ES_MULTILINE
) && (l
!= es
->line_count
- 1))
1976 e
= EDIT_EM_LineIndex(es
, l
+ 1);
1978 e
= li
+ EDIT_CallWordBreakProc(es
,
1979 li
, e
- li
+ 1, ll
, WB_RIGHT
);
1983 EDIT_EM_SetSel(es
, s
, e
, FALSE
);
1984 EDIT_EM_ScrollCaret(es
);
1988 /*********************************************************************
1993 static INT
EDIT_PaintText(EDITSTATE
*es
, HDC dc
, INT x
, INT y
, INT line
, INT col
, INT count
, BOOL rev
)
1997 LOGFONTW underline_font
;
1998 HFONT hUnderline
= 0;
2007 BkMode
= GetBkMode(dc
);
2008 BkColor
= GetBkColor(dc
);
2009 TextColor
= GetTextColor(dc
);
2011 if (es
->composition_len
== 0)
2013 SetBkColor(dc
, GetSysColor(COLOR_HIGHLIGHT
));
2014 SetTextColor(dc
, GetSysColor(COLOR_HIGHLIGHTTEXT
));
2015 SetBkMode( dc
, OPAQUE
);
2019 HFONT current
= GetCurrentObject(dc
,OBJ_FONT
);
2020 GetObjectW(current
,sizeof(LOGFONTW
),&underline_font
);
2021 underline_font
.lfUnderline
= TRUE
;
2022 hUnderline
= CreateFontIndirectW(&underline_font
);
2023 old_font
= SelectObject(dc
,hUnderline
);
2026 li
= EDIT_EM_LineIndex(es
, line
);
2027 if (es
->style
& ES_MULTILINE
) {
2028 ret
= (INT
)LOWORD(TabbedTextOutW(dc
, x
, y
, es
->text
+ li
+ col
, count
,
2029 es
->tabs_count
, es
->tabs
, es
->format_rect
.left
- es
->x_offset
));
2031 LPWSTR text
= EDIT_GetPasswordPointer_SL(es
);
2032 TextOutW(dc
, x
, y
, text
+ li
+ col
, count
);
2033 GetTextExtentPoint32W(dc
, text
+ li
+ col
, count
, &size
);
2035 if (es
->style
& ES_PASSWORD
)
2036 HeapFree(GetProcessHeap(), 0, text
);
2039 if (es
->composition_len
== 0)
2041 SetBkColor(dc
, BkColor
);
2042 SetTextColor(dc
, TextColor
);
2043 SetBkMode( dc
, BkMode
);
2048 SelectObject(dc
,old_font
);
2050 DeleteObject(hUnderline
);
2057 /*********************************************************************
2062 static void EDIT_PaintLine(EDITSTATE
*es
, HDC dc
, INT line
, BOOL rev
)
2072 if (es
->style
& ES_MULTILINE
) {
2073 INT vlc
= get_vertical_line_count(es
);
2075 if ((line
< es
->y_offset
) || (line
> es
->y_offset
+ vlc
) || (line
>= es
->line_count
))
2080 TRACE("line=%d\n", line
);
2082 pos
= EDIT_EM_PosFromChar(es
, EDIT_EM_LineIndex(es
, line
), FALSE
);
2083 x
= (short)LOWORD(pos
);
2084 y
= (short)HIWORD(pos
);
2085 li
= EDIT_EM_LineIndex(es
, line
);
2086 ll
= EDIT_EM_LineLength(es
, li
);
2087 s
= min(es
->selection_start
, es
->selection_end
);
2088 e
= max(es
->selection_start
, es
->selection_end
);
2089 s
= min(li
+ ll
, max(li
, s
));
2090 e
= min(li
+ ll
, max(li
, e
));
2091 if (rev
&& (s
!= e
) &&
2092 ((es
->flags
& EF_FOCUSED
) || (es
->style
& ES_NOHIDESEL
))) {
2093 x
+= EDIT_PaintText(es
, dc
, x
, y
, line
, 0, s
- li
, FALSE
);
2094 x
+= EDIT_PaintText(es
, dc
, x
, y
, line
, s
- li
, e
- s
, TRUE
);
2095 x
+= EDIT_PaintText(es
, dc
, x
, y
, line
, e
- li
, li
+ ll
- e
, FALSE
);
2097 x
+= EDIT_PaintText(es
, dc
, x
, y
, line
, 0, ll
, FALSE
);
2101 /*********************************************************************
2103 * EDIT_AdjustFormatRect
2105 * Adjusts the format rectangle for the current font and the
2106 * current client rectangle.
2109 static void EDIT_AdjustFormatRect(EDITSTATE
*es
)
2113 es
->format_rect
.right
= max(es
->format_rect
.right
, es
->format_rect
.left
+ es
->char_width
);
2114 if (es
->style
& ES_MULTILINE
)
2116 INT fw
, vlc
, max_x_offset
, max_y_offset
;
2118 vlc
= get_vertical_line_count(es
);
2119 es
->format_rect
.bottom
= es
->format_rect
.top
+ vlc
* es
->line_height
;
2121 /* correct es->x_offset */
2122 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
2123 max_x_offset
= es
->text_width
- fw
;
2124 if(max_x_offset
< 0) max_x_offset
= 0;
2125 if(es
->x_offset
> max_x_offset
)
2126 es
->x_offset
= max_x_offset
;
2128 /* correct es->y_offset */
2129 max_y_offset
= es
->line_count
- vlc
;
2130 if(max_y_offset
< 0) max_y_offset
= 0;
2131 if(es
->y_offset
> max_y_offset
)
2132 es
->y_offset
= max_y_offset
;
2134 /* force scroll info update */
2135 EDIT_UpdateScrollInfo(es
);
2138 /* Windows doesn't care to fix text placement for SL controls */
2139 es
->format_rect
.bottom
= es
->format_rect
.top
+ es
->line_height
;
2141 /* Always stay within the client area */
2142 GetClientRect(es
->hwndSelf
, &ClientRect
);
2143 es
->format_rect
.bottom
= min(es
->format_rect
.bottom
, ClientRect
.bottom
);
2145 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_AUTOHSCROLL
))
2146 EDIT_BuildLineDefs_ML(es
, 0, get_text_length(es
), 0, NULL
);
2148 EDIT_SetCaretPos(es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
);
2152 /*********************************************************************
2156 * note: this is not (exactly) the handler called on EM_SETRECTNP
2157 * it is also used to set the rect of a single line control
2160 static void EDIT_SetRectNP(EDITSTATE
*es
, const RECT
*rc
)
2164 ExStyle
= GetWindowLongPtrW(es
->hwndSelf
, GWL_EXSTYLE
);
2166 CopyRect(&es
->format_rect
, rc
);
2168 if (ExStyle
& WS_EX_CLIENTEDGE
) {
2169 es
->format_rect
.left
++;
2170 es
->format_rect
.right
--;
2172 if (es
->format_rect
.bottom
- es
->format_rect
.top
2173 >= es
->line_height
+ 2)
2175 es
->format_rect
.top
++;
2176 es
->format_rect
.bottom
--;
2179 else if (es
->style
& WS_BORDER
) {
2180 bw
= GetSystemMetrics(SM_CXBORDER
) + 1;
2181 bh
= GetSystemMetrics(SM_CYBORDER
) + 1;
2182 es
->format_rect
.left
+= bw
;
2183 es
->format_rect
.right
-= bw
;
2184 if (es
->format_rect
.bottom
- es
->format_rect
.top
2185 >= es
->line_height
+ 2 * bh
)
2187 es
->format_rect
.top
+= bh
;
2188 es
->format_rect
.bottom
-= bh
;
2192 es
->format_rect
.left
+= es
->left_margin
;
2193 es
->format_rect
.right
-= es
->right_margin
;
2194 EDIT_AdjustFormatRect(es
);
2198 /*********************************************************************
2202 * returns line number (not index) in high-order word of result.
2203 * NB : Q137805 is unclear about this. POINT * pointer in lParam apply
2204 * to Richedit, not to the edit control. Original documentation is valid.
2205 * FIXME: do the specs mean to return -1 if outside client area or
2206 * if outside formatting rectangle ???
2209 static LRESULT
EDIT_EM_CharFromPos(EDITSTATE
*es
, INT x
, INT y
)
2217 GetClientRect(es
->hwndSelf
, &rc
);
2218 if (!PtInRect(&rc
, pt
))
2221 index
= EDIT_CharFromPos(es
, x
, y
, NULL
);
2222 return MAKELONG(index
, EDIT_EM_LineFromChar(es
, index
));
2226 /*********************************************************************
2230 * Enable or disable soft breaks.
2232 * This means: insert or remove the soft linebreak character (\r\r\n).
2233 * Take care to check if the text still fits the buffer after insertion.
2234 * If not, notify with EN_ERRSPACE.
2237 static BOOL
EDIT_EM_FmtLines(EDITSTATE
*es
, BOOL add_eol
)
2239 es
->flags
&= ~EF_USE_SOFTBRK
;
2241 es
->flags
|= EF_USE_SOFTBRK
;
2242 FIXME("soft break enabled, not implemented\n");
2248 /*********************************************************************
2252 * Hopefully this won't fire back at us.
2253 * We always start with a fixed buffer in the local heap.
2254 * Despite of the documentation says that the local heap is used
2255 * only if DS_LOCALEDIT flag is set, NT and 2000 always allocate
2256 * buffer on the local heap.
2259 static HLOCAL
EDIT_EM_GetHandle(EDITSTATE
*es
)
2263 if (!(es
->style
& ES_MULTILINE
))
2267 hLocal
= es
->hloc32W
;
2273 UINT countA
, alloc_size
;
2274 TRACE("Allocating 32-bit ANSI alias buffer\n");
2275 countA
= WideCharToMultiByte(CP_ACP
, 0, es
->text
, -1, NULL
, 0, NULL
, NULL
);
2276 alloc_size
= ROUND_TO_GROW(countA
);
2277 if(!(es
->hloc32A
= LocalAlloc(LMEM_MOVEABLE
| LMEM_ZEROINIT
, alloc_size
)))
2279 ERR("Could not allocate %d bytes for 32-bit ANSI alias buffer\n", alloc_size
);
2282 textA
= LocalLock(es
->hloc32A
);
2283 WideCharToMultiByte(CP_ACP
, 0, es
->text
, -1, textA
, countA
, NULL
, NULL
);
2284 LocalUnlock(es
->hloc32A
);
2286 hLocal
= es
->hloc32A
;
2289 es
->flags
|= EF_APP_HAS_HANDLE
;
2290 TRACE("Returning %p, LocalSize() = %ld\n", hLocal
, LocalSize(hLocal
));
2295 /*********************************************************************
2300 static INT
EDIT_EM_GetLine(EDITSTATE
*es
, INT line
, LPWSTR dst
, BOOL unicode
)
2303 INT line_len
, dst_len
;
2306 if (es
->style
& ES_MULTILINE
) {
2307 if (line
>= es
->line_count
)
2311 i
= EDIT_EM_LineIndex(es
, line
);
2313 line_len
= EDIT_EM_LineLength(es
, i
);
2314 dst_len
= *(WORD
*)dst
;
2317 if(dst_len
<= line_len
)
2319 memcpy(dst
, src
, dst_len
* sizeof(WCHAR
));
2322 else /* Append 0 if enough space */
2324 memcpy(dst
, src
, line_len
* sizeof(WCHAR
));
2331 INT ret
= WideCharToMultiByte(CP_ACP
, 0, src
, line_len
, (LPSTR
)dst
, dst_len
, NULL
, NULL
);
2332 if(!ret
&& line_len
) /* Insufficient buffer size */
2334 if(ret
< dst_len
) /* Append 0 if enough space */
2335 ((LPSTR
)dst
)[ret
] = 0;
2341 /*********************************************************************
2346 static LRESULT
EDIT_EM_GetSel(const EDITSTATE
*es
, PUINT start
, PUINT end
)
2348 UINT s
= es
->selection_start
;
2349 UINT e
= es
->selection_end
;
2356 return MAKELONG(s
, e
);
2360 /*********************************************************************
2364 * FIXME: handle ES_NUMBER and ES_OEMCONVERT here
2367 static void EDIT_EM_ReplaceSel(EDITSTATE
*es
, BOOL can_undo
, LPCWSTR lpsz_replace
, BOOL send_update
, BOOL honor_limit
)
2369 UINT strl
= strlenW(lpsz_replace
);
2370 UINT tl
= get_text_length(es
);
2381 TRACE("%s, can_undo %d, send_update %d\n",
2382 debugstr_w(lpsz_replace
), can_undo
, send_update
);
2384 s
= es
->selection_start
;
2385 e
= es
->selection_end
;
2387 if ((s
== e
) && !strl
)
2392 size
= tl
- (e
- s
) + strl
;
2396 /* Issue the EN_MAXTEXT notification and continue with replacing text
2397 * such that buffer limit is honored. */
2398 if ((honor_limit
) && (size
> es
->buffer_limit
)) {
2399 EDIT_NOTIFY_PARENT(es
, EN_MAXTEXT
);
2400 /* Buffer limit can be smaller than the actual length of text in combobox */
2401 if (es
->buffer_limit
< (tl
- (e
-s
)))
2404 strl
= es
->buffer_limit
- (tl
- (e
-s
));
2407 if (!EDIT_MakeFit(es
, tl
- (e
- s
) + strl
))
2411 /* there is something to be deleted */
2412 TRACE("deleting stuff.\n");
2414 buf
= HeapAlloc(GetProcessHeap(), 0, (bufl
+ 1) * sizeof(WCHAR
));
2416 memcpy(buf
, es
->text
+ s
, bufl
* sizeof(WCHAR
));
2417 buf
[bufl
] = 0; /* ensure 0 termination */
2419 strcpyW(es
->text
+ s
, es
->text
+ e
);
2420 text_buffer_changed(es
);
2423 /* there is an insertion */
2424 tl
= get_text_length(es
);
2425 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
));
2426 for (p
= es
->text
+ tl
; p
>= es
->text
+ s
; p
--)
2428 for (i
= 0 , p
= es
->text
+ s
; i
< strl
; i
++)
2429 p
[i
] = lpsz_replace
[i
];
2430 if(es
->style
& ES_UPPERCASE
)
2431 CharUpperBuffW(p
, strl
);
2432 else if(es
->style
& ES_LOWERCASE
)
2433 CharLowerBuffW(p
, strl
);
2434 text_buffer_changed(es
);
2436 if (es
->style
& ES_MULTILINE
)
2438 INT st
= min(es
->selection_start
, es
->selection_end
);
2439 INT vlc
= get_vertical_line_count(es
);
2441 hrgn
= CreateRectRgn(0, 0, 0, 0);
2442 EDIT_BuildLineDefs_ML(es
, st
, st
+ strl
,
2443 strl
- abs(es
->selection_end
- es
->selection_start
), hrgn
);
2444 /* if text is too long undo all changes */
2445 if (honor_limit
&& !(es
->style
& ES_AUTOVSCROLL
) && (es
->line_count
> vlc
)) {
2447 strcpyW(es
->text
+ e
, es
->text
+ e
+ strl
);
2449 for (i
= 0 , p
= es
->text
; i
< e
- s
; i
++)
2451 text_buffer_changed(es
);
2452 EDIT_BuildLineDefs_ML(es
, s
, e
,
2453 abs(es
->selection_end
- es
->selection_start
) - strl
, hrgn
);
2456 hrgn
= CreateRectRgn(0, 0, 0, 0);
2457 EDIT_NOTIFY_PARENT(es
, EN_MAXTEXT
);
2461 INT fw
= es
->format_rect
.right
- es
->format_rect
.left
;
2462 EDIT_CalcLineWidth_SL(es
);
2463 /* remove chars that don't fit */
2464 if (honor_limit
&& !(es
->style
& ES_AUTOHSCROLL
) && (es
->text_width
> fw
)) {
2465 while ((es
->text_width
> fw
) && s
+ strl
>= s
) {
2466 strcpyW(es
->text
+ s
+ strl
- 1, es
->text
+ s
+ strl
);
2468 EDIT_CalcLineWidth_SL(es
);
2470 text_buffer_changed(es
);
2471 EDIT_NOTIFY_PARENT(es
, EN_MAXTEXT
);
2477 utl
= strlenW(es
->undo_text
);
2478 if (!es
->undo_insert_count
&& (*es
->undo_text
&& (s
== es
->undo_position
))) {
2479 /* undo-buffer is extended to the right */
2480 EDIT_MakeUndoFit(es
, utl
+ e
- s
);
2481 memcpy(es
->undo_text
+ utl
, buf
, (e
- s
)*sizeof(WCHAR
));
2482 (es
->undo_text
+ utl
)[e
- s
] = 0; /* ensure 0 termination */
2483 } else if (!es
->undo_insert_count
&& (*es
->undo_text
&& (e
== es
->undo_position
))) {
2484 /* undo-buffer is extended to the left */
2485 EDIT_MakeUndoFit(es
, utl
+ e
- s
);
2486 for (p
= es
->undo_text
+ utl
; p
>= es
->undo_text
; p
--)
2488 for (i
= 0 , p
= es
->undo_text
; i
< e
- s
; i
++)
2490 es
->undo_position
= s
;
2492 /* new undo-buffer */
2493 EDIT_MakeUndoFit(es
, e
- s
);
2494 memcpy(es
->undo_text
, buf
, (e
- s
)*sizeof(WCHAR
));
2495 es
->undo_text
[e
- s
] = 0; /* ensure 0 termination */
2496 es
->undo_position
= s
;
2498 /* any deletion makes the old insertion-undo invalid */
2499 es
->undo_insert_count
= 0;
2501 EDIT_EM_EmptyUndoBuffer(es
);
2505 if ((s
== es
->undo_position
) ||
2506 ((es
->undo_insert_count
) &&
2507 (s
== es
->undo_position
+ es
->undo_insert_count
)))
2509 * insertion is new and at delete position or
2510 * an extension to either left or right
2512 es
->undo_insert_count
+= strl
;
2514 /* new insertion undo */
2515 es
->undo_position
= s
;
2516 es
->undo_insert_count
= strl
;
2517 /* new insertion makes old delete-buffer invalid */
2518 *es
->undo_text
= '\0';
2521 EDIT_EM_EmptyUndoBuffer(es
);
2525 HeapFree(GetProcessHeap(), 0, buf
);
2529 /* If text has been deleted and we're right or center aligned then scroll rightward */
2530 if (es
->style
& (ES_RIGHT
| ES_CENTER
))
2532 INT delta
= strl
- abs(es
->selection_end
- es
->selection_start
);
2534 if (delta
< 0 && es
->x_offset
)
2536 if (abs(delta
) > es
->x_offset
)
2539 es
->x_offset
+= delta
;
2543 EDIT_EM_SetSel(es
, s
, s
, FALSE
);
2544 es
->flags
|= EF_MODIFIED
;
2545 if (send_update
) es
->flags
|= EF_UPDATE
;
2548 EDIT_UpdateTextRegion(es
, hrgn
, TRUE
);
2552 EDIT_UpdateText(es
, NULL
, TRUE
);
2554 EDIT_EM_ScrollCaret(es
);
2556 /* force scroll info update */
2557 EDIT_UpdateScrollInfo(es
);
2560 if(send_update
|| (es
->flags
& EF_UPDATE
))
2562 es
->flags
&= ~EF_UPDATE
;
2563 EDIT_NOTIFY_PARENT(es
, EN_CHANGE
);
2568 /*********************************************************************
2572 * FIXME: ES_LOWERCASE, ES_UPPERCASE, ES_OEMCONVERT, ES_NUMBER ???
2575 static void EDIT_EM_SetHandle(EDITSTATE
*es
, HLOCAL hloc
)
2577 if (!(es
->style
& ES_MULTILINE
))
2581 WARN("called with NULL handle\n");
2585 EDIT_UnlockBuffer(es
, TRUE
);
2591 LocalFree(es
->hloc32A
);
2603 countA
= LocalSize(hloc
);
2604 textA
= LocalLock(hloc
);
2605 countW
= MultiByteToWideChar(CP_ACP
, 0, textA
, countA
, NULL
, 0);
2606 if(!(hloc32W_new
= LocalAlloc(LMEM_MOVEABLE
| LMEM_ZEROINIT
, countW
* sizeof(WCHAR
))))
2608 ERR("Could not allocate new unicode buffer\n");
2611 textW
= LocalLock(hloc32W_new
);
2612 MultiByteToWideChar(CP_ACP
, 0, textA
, countA
, textW
, countW
);
2613 LocalUnlock(hloc32W_new
);
2617 LocalFree(es
->hloc32W
);
2619 es
->hloc32W
= hloc32W_new
;
2623 es
->buffer_size
= LocalSize(es
->hloc32W
)/sizeof(WCHAR
) - 1;
2625 es
->flags
|= EF_APP_HAS_HANDLE
;
2626 EDIT_LockBuffer(es
);
2628 es
->x_offset
= es
->y_offset
= 0;
2629 es
->selection_start
= es
->selection_end
= 0;
2630 EDIT_EM_EmptyUndoBuffer(es
);
2631 es
->flags
&= ~EF_MODIFIED
;
2632 es
->flags
&= ~EF_UPDATE
;
2633 EDIT_BuildLineDefs_ML(es
, 0, get_text_length(es
), 0, NULL
);
2634 EDIT_UpdateText(es
, NULL
, TRUE
);
2635 EDIT_EM_ScrollCaret(es
);
2636 /* force scroll info update */
2637 EDIT_UpdateScrollInfo(es
);
2641 /*********************************************************************
2645 * NOTE: this version currently implements WinNT limits
2648 static void EDIT_EM_SetLimitText(EDITSTATE
*es
, UINT limit
)
2650 if (!limit
) limit
= ~0u;
2651 if (!(es
->style
& ES_MULTILINE
)) limit
= min(limit
, 0x7ffffffe);
2652 es
->buffer_limit
= limit
;
2656 /*********************************************************************
2660 * EC_USEFONTINFO is used as a left or right value i.e. lParam and not as an
2661 * action wParam despite what the docs say. EC_USEFONTINFO calculates the
2662 * margin according to the textmetrics of the current font.
2664 * FIXME - With TrueType or vector fonts EC_USEFONTINFO currently sets one third
2665 * of the char's width as the margin, but this is not how Windows handles this.
2666 * For all other fonts Windows sets the margins to zero.
2668 * FIXME - When EC_USEFONTINFO is used the margins only change if the
2669 * edit control is equal to or larger than a certain size.
2670 * Interestingly if one subtracts both the left and right margins from
2671 * this size one always seems to get an even number. The extents of
2672 * the (four character) string "'**'" match this quite closely, so
2673 * we'll use this until we come up with a better idea.
2675 static int calc_min_set_margin_size(HDC dc
, INT left
, INT right
)
2677 WCHAR magic_string
[] = {'\'','*','*','\'', 0};
2680 GetTextExtentPointW(dc
, magic_string
, sizeof(magic_string
)/sizeof(WCHAR
) - 1, &sz
);
2681 return sz
.cx
+ left
+ right
;
2684 static void EDIT_EM_SetMargins(EDITSTATE
*es
, INT action
,
2685 WORD left
, WORD right
, BOOL repaint
)
2688 INT default_left_margin
= 0; /* in pixels */
2689 INT default_right_margin
= 0; /* in pixels */
2691 /* Set the default margins depending on the font */
2692 if (es
->font
&& (left
== EC_USEFONTINFO
|| right
== EC_USEFONTINFO
)) {
2693 HDC dc
= GetDC(es
->hwndSelf
);
2694 HFONT old_font
= SelectObject(dc
, es
->font
);
2695 GetTextMetricsW(dc
, &tm
);
2696 /* The default margins are only non zero for TrueType or Vector fonts */
2697 if (tm
.tmPitchAndFamily
& ( TMPF_VECTOR
| TMPF_TRUETYPE
)) {
2700 /* This must be calculated more exactly! But how? */
2701 default_left_margin
= tm
.tmAveCharWidth
/ 2;
2702 default_right_margin
= tm
.tmAveCharWidth
/ 2;
2703 min_size
= calc_min_set_margin_size(dc
, default_left_margin
, default_right_margin
);
2704 GetClientRect(es
->hwndSelf
, &rc
);
2705 if(rc
.right
- rc
.left
< min_size
) {
2706 default_left_margin
= es
->left_margin
;
2707 default_right_margin
= es
->right_margin
;
2710 SelectObject(dc
, old_font
);
2711 ReleaseDC(es
->hwndSelf
, dc
);
2714 if (action
& EC_LEFTMARGIN
) {
2715 es
->format_rect
.left
-= es
->left_margin
;
2716 if (left
!= EC_USEFONTINFO
)
2717 es
->left_margin
= left
;
2719 es
->left_margin
= default_left_margin
;
2720 es
->format_rect
.left
+= es
->left_margin
;
2723 if (action
& EC_RIGHTMARGIN
) {
2724 es
->format_rect
.right
+= es
->right_margin
;
2725 if (right
!= EC_USEFONTINFO
)
2726 es
->right_margin
= right
;
2728 es
->right_margin
= default_right_margin
;
2729 es
->format_rect
.right
-= es
->right_margin
;
2732 if (action
& (EC_LEFTMARGIN
| EC_RIGHTMARGIN
)) {
2733 EDIT_AdjustFormatRect(es
);
2734 if (repaint
) EDIT_UpdateText(es
, NULL
, TRUE
);
2737 TRACE("left=%d, right=%d\n", es
->left_margin
, es
->right_margin
);
2741 /*********************************************************************
2743 * EM_SETPASSWORDCHAR
2746 static void EDIT_EM_SetPasswordChar(EDITSTATE
*es
, WCHAR c
)
2750 if (es
->style
& ES_MULTILINE
)
2753 if (es
->password_char
== c
)
2756 style
= GetWindowLongW( es
->hwndSelf
, GWL_STYLE
);
2757 es
->password_char
= c
;
2759 SetWindowLongW( es
->hwndSelf
, GWL_STYLE
, style
| ES_PASSWORD
);
2760 es
->style
|= ES_PASSWORD
;
2762 SetWindowLongW( es
->hwndSelf
, GWL_STYLE
, style
& ~ES_PASSWORD
);
2763 es
->style
&= ~ES_PASSWORD
;
2765 EDIT_UpdateText(es
, NULL
, TRUE
);
2769 /*********************************************************************
2774 static BOOL
EDIT_EM_SetTabStops(EDITSTATE
*es
, INT count
, const INT
*tabs
)
2776 if (!(es
->style
& ES_MULTILINE
))
2778 HeapFree(GetProcessHeap(), 0, es
->tabs
);
2779 es
->tabs_count
= count
;
2783 es
->tabs
= HeapAlloc(GetProcessHeap(), 0, count
* sizeof(INT
));
2784 memcpy(es
->tabs
, tabs
, count
* sizeof(INT
));
2790 /*********************************************************************
2792 * EM_SETWORDBREAKPROC
2795 static void EDIT_EM_SetWordBreakProc(EDITSTATE
*es
, void *wbp
)
2797 if (es
->word_break_proc
== wbp
)
2800 es
->word_break_proc
= wbp
;
2802 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_AUTOHSCROLL
)) {
2803 EDIT_BuildLineDefs_ML(es
, 0, get_text_length(es
), 0, NULL
);
2804 EDIT_UpdateText(es
, NULL
, TRUE
);
2809 /*********************************************************************
2814 static BOOL
EDIT_EM_Undo(EDITSTATE
*es
)
2819 /* As per MSDN spec, for a single-line edit control,
2820 the return value is always TRUE */
2821 if( es
->style
& ES_READONLY
)
2822 return !(es
->style
& ES_MULTILINE
);
2824 ulength
= strlenW(es
->undo_text
);
2826 utext
= HeapAlloc(GetProcessHeap(), 0, (ulength
+ 1) * sizeof(WCHAR
));
2828 strcpyW(utext
, es
->undo_text
);
2830 TRACE("before UNDO:insertion length = %d, deletion buffer = %s\n",
2831 es
->undo_insert_count
, debugstr_w(utext
));
2833 EDIT_EM_SetSel(es
, es
->undo_position
, es
->undo_position
+ es
->undo_insert_count
, FALSE
);
2834 EDIT_EM_EmptyUndoBuffer(es
);
2835 EDIT_EM_ReplaceSel(es
, TRUE
, utext
, TRUE
, TRUE
);
2836 EDIT_EM_SetSel(es
, es
->undo_position
, es
->undo_position
+ es
->undo_insert_count
, FALSE
);
2837 /* send the notification after the selection start and end are set */
2838 EDIT_NOTIFY_PARENT(es
, EN_CHANGE
);
2839 EDIT_EM_ScrollCaret(es
);
2840 HeapFree(GetProcessHeap(), 0, utext
);
2842 TRACE("after UNDO:insertion length = %d, deletion buffer = %s\n",
2843 es
->undo_insert_count
, debugstr_w(es
->undo_text
));
2848 /* Helper function for WM_CHAR
2850 * According to an MSDN blog article titled "Just because you're a control
2851 * doesn't mean that you're necessarily inside a dialog box," multiline edit
2852 * controls without ES_WANTRETURN would attempt to detect whether it is inside
2853 * a dialog box or not.
2855 static inline BOOL
EDIT_IsInsideDialog(EDITSTATE
*es
)
2857 return (es
->flags
& EF_DIALOGMODE
);
2861 /*********************************************************************
2866 static void EDIT_WM_Paste(EDITSTATE
*es
)
2871 /* Protect read-only edit control from modification */
2872 if(es
->style
& ES_READONLY
)
2875 OpenClipboard(es
->hwndSelf
);
2876 if ((hsrc
= GetClipboardData(CF_UNICODETEXT
))) {
2877 src
= GlobalLock(hsrc
);
2878 EDIT_EM_ReplaceSel(es
, TRUE
, src
, TRUE
, TRUE
);
2881 else if (es
->style
& ES_PASSWORD
) {
2882 /* clear selected text in password edit box even with empty clipboard */
2883 EDIT_EM_ReplaceSel(es
, TRUE
, empty_stringW
, TRUE
, TRUE
);
2889 /*********************************************************************
2894 static void EDIT_WM_Copy(EDITSTATE
*es
)
2896 INT s
= min(es
->selection_start
, es
->selection_end
);
2897 INT e
= max(es
->selection_start
, es
->selection_end
);
2905 hdst
= GlobalAlloc(GMEM_MOVEABLE
| GMEM_DDESHARE
, (len
+ 1) * sizeof(WCHAR
));
2906 dst
= GlobalLock(hdst
);
2907 memcpy(dst
, es
->text
+ s
, len
* sizeof(WCHAR
));
2908 dst
[len
] = 0; /* ensure 0 termination */
2909 TRACE("%s\n", debugstr_w(dst
));
2911 OpenClipboard(es
->hwndSelf
);
2913 SetClipboardData(CF_UNICODETEXT
, hdst
);
2918 /*********************************************************************
2923 static inline void EDIT_WM_Clear(EDITSTATE
*es
)
2925 /* Protect read-only edit control from modification */
2926 if(es
->style
& ES_READONLY
)
2929 EDIT_EM_ReplaceSel(es
, TRUE
, empty_stringW
, TRUE
, TRUE
);
2933 /*********************************************************************
2938 static inline void EDIT_WM_Cut(EDITSTATE
*es
)
2945 /*********************************************************************
2950 static LRESULT
EDIT_WM_Char(EDITSTATE
*es
, WCHAR c
)
2954 control
= GetKeyState(VK_CONTROL
) & 0x8000;
2958 /* If it's not a multiline edit box, it would be ignored below.
2959 * For multiline edit without ES_WANTRETURN, we have to make a
2962 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_WANTRETURN
))
2963 if (EDIT_IsInsideDialog(es
))
2966 if (es
->style
& ES_MULTILINE
) {
2967 if (es
->style
& ES_READONLY
) {
2968 EDIT_MoveHome(es
, FALSE
, FALSE
);
2969 EDIT_MoveDown_ML(es
, FALSE
);
2971 static const WCHAR cr_lfW
[] = {'\r','\n',0};
2972 EDIT_EM_ReplaceSel(es
, TRUE
, cr_lfW
, TRUE
, TRUE
);
2977 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_READONLY
))
2979 static const WCHAR tabW
[] = {'\t',0};
2980 if (EDIT_IsInsideDialog(es
))
2982 EDIT_EM_ReplaceSel(es
, TRUE
, tabW
, TRUE
, TRUE
);
2986 if (!(es
->style
& ES_READONLY
) && !control
) {
2987 if (es
->selection_start
!= es
->selection_end
)
2990 /* delete character left of caret */
2991 EDIT_EM_SetSel(es
, (UINT
)-1, 0, FALSE
);
2992 EDIT_MoveBackward(es
, TRUE
);
2998 if (!(es
->style
& ES_PASSWORD
))
2999 SendMessageW(es
->hwndSelf
, WM_COPY
, 0, 0);
3002 if (!(es
->style
& ES_READONLY
))
3003 SendMessageW(es
->hwndSelf
, WM_PASTE
, 0, 0);
3006 if (!((es
->style
& ES_READONLY
) || (es
->style
& ES_PASSWORD
)))
3007 SendMessageW(es
->hwndSelf
, WM_CUT
, 0, 0);
3010 if (!(es
->style
& ES_READONLY
))
3011 SendMessageW(es
->hwndSelf
, WM_UNDO
, 0, 0);
3015 /*If Edit control style is ES_NUMBER allow users to key in only numeric values*/
3016 if( (es
->style
& ES_NUMBER
) && !( c
>= '0' && c
<= '9') )
3019 if (!(es
->style
& ES_READONLY
) && (c
>= ' ') && (c
!= 127)) {
3023 EDIT_EM_ReplaceSel(es
, TRUE
, str
, TRUE
, TRUE
);
3031 /*********************************************************************
3036 static void EDIT_WM_Command(EDITSTATE
*es
, INT code
, INT id
, HWND control
)
3038 if (code
|| control
)
3043 SendMessageW(es
->hwndSelf
, WM_UNDO
, 0, 0);
3046 SendMessageW(es
->hwndSelf
, WM_CUT
, 0, 0);
3049 SendMessageW(es
->hwndSelf
, WM_COPY
, 0, 0);
3052 SendMessageW(es
->hwndSelf
, WM_PASTE
, 0, 0);
3055 SendMessageW(es
->hwndSelf
, WM_CLEAR
, 0, 0);
3058 EDIT_EM_SetSel(es
, 0, (UINT
)-1, FALSE
);
3059 EDIT_EM_ScrollCaret(es
);
3062 ERR("unknown menu item, please report\n");
3068 /*********************************************************************
3072 * Note: the resource files resource/sysres_??.rc cannot define a
3073 * single popup menu. Hence we use a (dummy) menubar
3074 * containing the single popup menu as its first item.
3076 * FIXME: the message identifiers have been chosen arbitrarily,
3077 * hence we use MF_BYPOSITION.
3078 * We might as well use the "real" values (anybody knows ?)
3079 * The menu definition is in resources/sysres_??.rc.
3080 * Once these are OK, we better use MF_BYCOMMAND here
3081 * (as we do in EDIT_WM_Command()).
3084 static void EDIT_WM_ContextMenu(EDITSTATE
*es
, INT x
, INT y
)
3086 HMENU menu
= LoadMenuA(user32_module
, "EDITMENU");
3087 HMENU popup
= GetSubMenu(menu
, 0);
3088 UINT start
= es
->selection_start
;
3089 UINT end
= es
->selection_end
;
3091 ORDER_UINT(start
, end
);
3094 EnableMenuItem(popup
, 0, MF_BYPOSITION
| (EDIT_EM_CanUndo(es
) && !(es
->style
& ES_READONLY
) ? MF_ENABLED
: MF_GRAYED
));
3096 EnableMenuItem(popup
, 2, MF_BYPOSITION
| ((end
- start
) && !(es
->style
& ES_PASSWORD
) && !(es
->style
& ES_READONLY
) ? MF_ENABLED
: MF_GRAYED
));
3098 EnableMenuItem(popup
, 3, MF_BYPOSITION
| ((end
- start
) && !(es
->style
& ES_PASSWORD
) ? MF_ENABLED
: MF_GRAYED
));
3100 EnableMenuItem(popup
, 4, MF_BYPOSITION
| (IsClipboardFormatAvailable(CF_UNICODETEXT
) && !(es
->style
& ES_READONLY
) ? MF_ENABLED
: MF_GRAYED
));
3102 EnableMenuItem(popup
, 5, MF_BYPOSITION
| ((end
- start
) && !(es
->style
& ES_READONLY
) ? MF_ENABLED
: MF_GRAYED
));
3104 EnableMenuItem(popup
, 7, MF_BYPOSITION
| (start
|| (end
!= get_text_length(es
)) ? MF_ENABLED
: MF_GRAYED
));
3106 if (x
== -1 && y
== -1) /* passed via VK_APPS press/release */
3109 /* Windows places the menu at the edit's center in this case */
3110 WIN_GetRectangles( es
->hwndSelf
, COORDS_SCREEN
, NULL
, &rc
);
3111 x
= rc
.left
+ (rc
.right
- rc
.left
) / 2;
3112 y
= rc
.top
+ (rc
.bottom
- rc
.top
) / 2;
3115 if (!(es
->flags
& EF_FOCUSED
))
3116 SetFocus(es
->hwndSelf
);
3118 TrackPopupMenu(popup
, TPM_LEFTALIGN
| TPM_RIGHTBUTTON
, x
, y
, 0, es
->hwndSelf
, NULL
);
3123 /*********************************************************************
3128 static INT
EDIT_WM_GetText(const EDITSTATE
*es
, INT count
, LPWSTR dst
, BOOL unicode
)
3130 if(!count
) return 0;
3134 lstrcpynW(dst
, es
->text
, count
);
3135 return strlenW(dst
);
3139 LPSTR textA
= (LPSTR
)dst
;
3140 if (!WideCharToMultiByte(CP_ACP
, 0, es
->text
, -1, textA
, count
, NULL
, NULL
))
3141 textA
[count
- 1] = 0; /* ensure 0 termination */
3142 return strlen(textA
);
3146 /*********************************************************************
3151 static BOOL
EDIT_CheckCombo(EDITSTATE
*es
, UINT msg
, INT key
)
3153 HWND hLBox
= es
->hwndListBox
;
3161 hCombo
= GetParent(es
->hwndSelf
);
3165 TRACE_(combo
)("[%p]: handling msg %x (%x)\n", es
->hwndSelf
, msg
, key
);
3167 if (key
== VK_UP
|| key
== VK_DOWN
)
3169 if (SendMessageW(hCombo
, CB_GETEXTENDEDUI
, 0, 0))
3172 if (msg
== WM_KEYDOWN
|| nEUI
)
3173 bDropped
= (BOOL
)SendMessageW(hCombo
, CB_GETDROPPEDSTATE
, 0, 0);
3179 if (!bDropped
&& nEUI
&& (key
== VK_UP
|| key
== VK_DOWN
))
3181 /* make sure ComboLBox pops up */
3182 SendMessageW(hCombo
, CB_SETEXTENDEDUI
, FALSE
, 0);
3187 SendMessageW(hLBox
, WM_KEYDOWN
, key
, 0);
3190 case WM_SYSKEYDOWN
: /* Handle Alt+up/down arrows */
3192 SendMessageW(hCombo
, CB_SHOWDROPDOWN
, bDropped
? FALSE
: TRUE
, 0);
3194 SendMessageW(hLBox
, WM_KEYDOWN
, VK_F4
, 0);
3199 SendMessageW(hCombo
, CB_SETEXTENDEDUI
, TRUE
, 0);
3205 /*********************************************************************
3209 * Handling of special keys that don't produce a WM_CHAR
3210 * (i.e. non-printable keys) & Backspace & Delete
3213 static LRESULT
EDIT_WM_KeyDown(EDITSTATE
*es
, INT key
)
3218 if (GetKeyState(VK_MENU
) & 0x8000)
3221 shift
= GetKeyState(VK_SHIFT
) & 0x8000;
3222 control
= GetKeyState(VK_CONTROL
) & 0x8000;
3227 if (EDIT_CheckCombo(es
, WM_KEYDOWN
, key
) || key
== VK_F4
)
3232 if ((es
->style
& ES_MULTILINE
) && (key
== VK_UP
))
3233 EDIT_MoveUp_ML(es
, shift
);
3236 EDIT_MoveWordBackward(es
, shift
);
3238 EDIT_MoveBackward(es
, shift
);
3241 if (EDIT_CheckCombo(es
, WM_KEYDOWN
, key
))
3245 if ((es
->style
& ES_MULTILINE
) && (key
== VK_DOWN
))
3246 EDIT_MoveDown_ML(es
, shift
);
3248 EDIT_MoveWordForward(es
, shift
);
3250 EDIT_MoveForward(es
, shift
);
3253 EDIT_MoveHome(es
, shift
, control
);
3256 EDIT_MoveEnd(es
, shift
, control
);
3259 if (es
->style
& ES_MULTILINE
)
3260 EDIT_MovePageUp_ML(es
, shift
);
3262 EDIT_CheckCombo(es
, WM_KEYDOWN
, key
);
3265 if (es
->style
& ES_MULTILINE
)
3266 EDIT_MovePageDown_ML(es
, shift
);
3268 EDIT_CheckCombo(es
, WM_KEYDOWN
, key
);
3271 if (!(es
->style
& ES_READONLY
) && !(shift
&& control
)) {
3272 if (es
->selection_start
!= es
->selection_end
) {
3279 /* delete character left of caret */
3280 EDIT_EM_SetSel(es
, (UINT
)-1, 0, FALSE
);
3281 EDIT_MoveBackward(es
, TRUE
);
3283 } else if (control
) {
3284 /* delete to end of line */
3285 EDIT_EM_SetSel(es
, (UINT
)-1, 0, FALSE
);
3286 EDIT_MoveEnd(es
, TRUE
, FALSE
);
3289 /* delete character right of caret */
3290 EDIT_EM_SetSel(es
, (UINT
)-1, 0, FALSE
);
3291 EDIT_MoveForward(es
, TRUE
);
3299 if (!(es
->style
& ES_READONLY
))
3305 /* If the edit doesn't want the return send a message to the default object */
3306 if(!(es
->style
& ES_MULTILINE
) || !(es
->style
& ES_WANTRETURN
))
3310 if (!EDIT_IsInsideDialog(es
)) break;
3312 dw
= SendMessageW(es
->hwndParent
, DM_GETDEFID
, 0, 0);
3313 if (HIWORD(dw
) == DC_HASDEFID
)
3315 HWND hwDefCtrl
= GetDlgItem(es
->hwndParent
, LOWORD(dw
));
3318 SendMessageW(es
->hwndParent
, WM_NEXTDLGCTL
, (WPARAM
)hwDefCtrl
, TRUE
);
3319 PostMessageW(hwDefCtrl
, WM_KEYDOWN
, VK_RETURN
, 0);
3325 if ((es
->style
& ES_MULTILINE
) && EDIT_IsInsideDialog(es
))
3326 PostMessageW(es
->hwndParent
, WM_CLOSE
, 0, 0);
3329 if ((es
->style
& ES_MULTILINE
) && EDIT_IsInsideDialog(es
))
3330 SendMessageW(es
->hwndParent
, WM_NEXTDLGCTL
, shift
, 0);
3337 /*********************************************************************
3342 static LRESULT
EDIT_WM_KillFocus(EDITSTATE
*es
)
3344 es
->flags
&= ~EF_FOCUSED
;
3346 if(!(es
->style
& ES_NOHIDESEL
))
3347 EDIT_InvalidateText(es
, es
->selection_start
, es
->selection_end
);
3348 EDIT_NOTIFY_PARENT(es
, EN_KILLFOCUS
);
3353 /*********************************************************************
3357 * The caret position has been set on the WM_LBUTTONDOWN message
3360 static LRESULT
EDIT_WM_LButtonDblClk(EDITSTATE
*es
)
3363 INT e
= es
->selection_end
;
3368 es
->bCaptureState
= TRUE
;
3369 SetCapture(es
->hwndSelf
);
3371 l
= EDIT_EM_LineFromChar(es
, e
);
3372 li
= EDIT_EM_LineIndex(es
, l
);
3373 ll
= EDIT_EM_LineLength(es
, e
);
3374 s
= li
+ EDIT_CallWordBreakProc(es
, li
, e
- li
, ll
, WB_LEFT
);
3375 e
= li
+ EDIT_CallWordBreakProc(es
, li
, e
- li
, ll
, WB_RIGHT
);
3376 EDIT_EM_SetSel(es
, s
, e
, FALSE
);
3377 EDIT_EM_ScrollCaret(es
);
3378 es
->region_posx
= es
->region_posy
= 0;
3379 SetTimer(es
->hwndSelf
, 0, 100, NULL
);
3384 /*********************************************************************
3389 static LRESULT
EDIT_WM_LButtonDown(EDITSTATE
*es
, DWORD keys
, INT x
, INT y
)
3394 es
->bCaptureState
= TRUE
;
3395 SetCapture(es
->hwndSelf
);
3396 EDIT_ConfinePoint(es
, &x
, &y
);
3397 e
= EDIT_CharFromPos(es
, x
, y
, &after_wrap
);
3398 EDIT_EM_SetSel(es
, (keys
& MK_SHIFT
) ? es
->selection_start
: e
, e
, after_wrap
);
3399 EDIT_EM_ScrollCaret(es
);
3400 es
->region_posx
= es
->region_posy
= 0;
3401 SetTimer(es
->hwndSelf
, 0, 100, NULL
);
3403 if (!(es
->flags
& EF_FOCUSED
))
3404 SetFocus(es
->hwndSelf
);
3410 /*********************************************************************
3415 static LRESULT
EDIT_WM_LButtonUp(EDITSTATE
*es
)
3417 if (es
->bCaptureState
) {
3418 KillTimer(es
->hwndSelf
, 0);
3419 if (GetCapture() == es
->hwndSelf
) ReleaseCapture();
3421 es
->bCaptureState
= FALSE
;
3426 /*********************************************************************
3431 static LRESULT
EDIT_WM_MButtonDown(EDITSTATE
*es
)
3433 SendMessageW(es
->hwndSelf
, WM_PASTE
, 0, 0);
3438 /*********************************************************************
3443 static LRESULT
EDIT_WM_MouseMove(EDITSTATE
*es
, INT x
, INT y
)
3449 /* If the mouse has been captured by process other than the edit control itself,
3450 * the windows edit controls will not select the strings with mouse move.
3452 if (!es
->bCaptureState
|| GetCapture() != es
->hwndSelf
)
3456 * FIXME: gotta do some scrolling if outside client
3457 * area. Maybe reset the timer ?
3460 EDIT_ConfinePoint(es
, &x
, &y
);
3461 es
->region_posx
= (prex
< x
) ? -1 : ((prex
> x
) ? 1 : 0);
3462 es
->region_posy
= (prey
< y
) ? -1 : ((prey
> y
) ? 1 : 0);
3463 e
= EDIT_CharFromPos(es
, x
, y
, &after_wrap
);
3464 EDIT_EM_SetSel(es
, es
->selection_start
, e
, after_wrap
);
3465 EDIT_SetCaretPos(es
,es
->selection_end
,es
->flags
& EF_AFTER_WRAP
);
3470 /*********************************************************************
3475 static void EDIT_WM_Paint(EDITSTATE
*es
, HDC hdc
)
3488 BOOL rev
= es
->bEnableState
&&
3489 ((es
->flags
& EF_FOCUSED
) ||
3490 (es
->style
& ES_NOHIDESEL
));
3491 dc
= hdc
? hdc
: BeginPaint(es
->hwndSelf
, &ps
);
3493 GetClientRect(es
->hwndSelf
, &rcClient
);
3495 /* get the background brush */
3496 brush
= EDIT_NotifyCtlColor(es
, dc
);
3498 /* paint the border and the background */
3499 IntersectClipRect(dc
, rcClient
.left
, rcClient
.top
, rcClient
.right
, rcClient
.bottom
);
3501 if(es
->style
& WS_BORDER
) {
3502 bw
= GetSystemMetrics(SM_CXBORDER
);
3503 bh
= GetSystemMetrics(SM_CYBORDER
);
3505 if(es
->style
& ES_MULTILINE
) {
3506 if(es
->style
& WS_HSCROLL
) rc
.bottom
+=bh
;
3507 if(es
->style
& WS_VSCROLL
) rc
.right
+=bw
;
3510 /* Draw the frame. Same code as in nonclient.c */
3511 old_brush
= SelectObject(dc
, GetSysColorBrush(COLOR_WINDOWFRAME
));
3512 PatBlt(dc
, rc
.left
, rc
.top
, rc
.right
- rc
.left
, bh
, PATCOPY
);
3513 PatBlt(dc
, rc
.left
, rc
.top
, bw
, rc
.bottom
- rc
.top
, PATCOPY
);
3514 PatBlt(dc
, rc
.left
, rc
.bottom
- 1, rc
.right
- rc
.left
, -bw
, PATCOPY
);
3515 PatBlt(dc
, rc
.right
- 1, rc
.top
, -bw
, rc
.bottom
- rc
.top
, PATCOPY
);
3516 SelectObject(dc
, old_brush
);
3518 /* Keep the border clean */
3519 IntersectClipRect(dc
, rc
.left
+bw
, rc
.top
+bh
,
3520 max(rc
.right
-bw
, rc
.left
+bw
), max(rc
.bottom
-bh
, rc
.top
+bh
));
3523 GetClipBox(dc
, &rc
);
3524 FillRect(dc
, &rc
, brush
);
3526 IntersectClipRect(dc
, es
->format_rect
.left
,
3527 es
->format_rect
.top
,
3528 es
->format_rect
.right
,
3529 es
->format_rect
.bottom
);
3530 if (es
->style
& ES_MULTILINE
) {
3532 IntersectClipRect(dc
, rc
.left
, rc
.top
, rc
.right
, rc
.bottom
);
3535 old_font
= SelectObject(dc
, es
->font
);
3537 if (!es
->bEnableState
)
3538 SetTextColor(dc
, GetSysColor(COLOR_GRAYTEXT
));
3539 GetClipBox(dc
, &rcRgn
);
3540 if (es
->style
& ES_MULTILINE
) {
3541 INT vlc
= get_vertical_line_count(es
);
3542 for (i
= es
->y_offset
; i
<= min(es
->y_offset
+ vlc
, es
->y_offset
+ es
->line_count
- 1) ; i
++) {
3543 EDIT_GetLineRect(es
, i
, 0, -1, &rcLine
);
3544 if (IntersectRect(&rc
, &rcRgn
, &rcLine
))
3545 EDIT_PaintLine(es
, dc
, i
, rev
);
3548 EDIT_GetLineRect(es
, 0, 0, -1, &rcLine
);
3549 if (IntersectRect(&rc
, &rcRgn
, &rcLine
))
3550 EDIT_PaintLine(es
, dc
, 0, rev
);
3553 SelectObject(dc
, old_font
);
3556 EndPaint(es
->hwndSelf
, &ps
);
3560 /*********************************************************************
3565 static void EDIT_WM_SetFocus(EDITSTATE
*es
)
3567 es
->flags
|= EF_FOCUSED
;
3569 if (!(es
->style
& ES_NOHIDESEL
))
3570 EDIT_InvalidateText(es
, es
->selection_start
, es
->selection_end
);
3572 /* single line edit updates itself */
3573 if (!(es
->style
& ES_MULTILINE
))
3575 HDC hdc
= GetDC(es
->hwndSelf
);
3576 EDIT_WM_Paint(es
, hdc
);
3577 ReleaseDC(es
->hwndSelf
, hdc
);
3580 CreateCaret(es
->hwndSelf
, 0, 1, es
->line_height
);
3581 EDIT_SetCaretPos(es
, es
->selection_end
,
3582 es
->flags
& EF_AFTER_WRAP
);
3583 ShowCaret(es
->hwndSelf
);
3584 EDIT_NOTIFY_PARENT(es
, EN_SETFOCUS
);
3588 /*********************************************************************
3592 * With Win95 look the margins are set to default font value unless
3593 * the system font (font == 0) is being set, in which case they are left
3597 static void EDIT_WM_SetFont(EDITSTATE
*es
, HFONT font
, BOOL redraw
)
3605 dc
= GetDC(es
->hwndSelf
);
3607 old_font
= SelectObject(dc
, font
);
3608 GetTextMetricsW(dc
, &tm
);
3609 es
->line_height
= tm
.tmHeight
;
3610 es
->char_width
= tm
.tmAveCharWidth
;
3612 SelectObject(dc
, old_font
);
3613 ReleaseDC(es
->hwndSelf
, dc
);
3615 /* Reset the format rect and the margins */
3616 GetClientRect(es
->hwndSelf
, &clientRect
);
3617 EDIT_SetRectNP(es
, &clientRect
);
3618 EDIT_EM_SetMargins(es
, EC_LEFTMARGIN
| EC_RIGHTMARGIN
,
3619 EC_USEFONTINFO
, EC_USEFONTINFO
, FALSE
);
3621 if (es
->style
& ES_MULTILINE
)
3622 EDIT_BuildLineDefs_ML(es
, 0, get_text_length(es
), 0, NULL
);
3624 EDIT_CalcLineWidth_SL(es
);
3627 EDIT_UpdateText(es
, NULL
, TRUE
);
3628 if (es
->flags
& EF_FOCUSED
) {
3630 CreateCaret(es
->hwndSelf
, 0, 1, es
->line_height
);
3631 EDIT_SetCaretPos(es
, es
->selection_end
,
3632 es
->flags
& EF_AFTER_WRAP
);
3633 ShowCaret(es
->hwndSelf
);
3638 /*********************************************************************
3643 * For multiline controls (ES_MULTILINE), reception of WM_SETTEXT triggers:
3644 * The modified flag is reset. No notifications are sent.
3646 * For single-line controls, reception of WM_SETTEXT triggers:
3647 * The modified flag is reset. EN_UPDATE and EN_CHANGE notifications are sent.
3650 static void EDIT_WM_SetText(EDITSTATE
*es
, LPCWSTR text
, BOOL unicode
)
3652 LPWSTR textW
= NULL
;
3653 if (!unicode
&& text
)
3655 LPCSTR textA
= (LPCSTR
)text
;
3656 INT countW
= MultiByteToWideChar(CP_ACP
, 0, textA
, -1, NULL
, 0);
3657 textW
= HeapAlloc(GetProcessHeap(), 0, countW
* sizeof(WCHAR
));
3659 MultiByteToWideChar(CP_ACP
, 0, textA
, -1, textW
, countW
);
3663 if (es
->flags
& EF_UPDATE
)
3664 /* fixed this bug once; complain if we see it about to happen again. */
3665 ERR("SetSel may generate UPDATE message whose handler may reset "
3668 EDIT_EM_SetSel(es
, 0, (UINT
)-1, FALSE
);
3671 TRACE("%s\n", debugstr_w(text
));
3672 EDIT_EM_ReplaceSel(es
, FALSE
, text
, FALSE
, FALSE
);
3674 HeapFree(GetProcessHeap(), 0, textW
);
3679 EDIT_EM_ReplaceSel(es
, FALSE
, empty_stringW
, FALSE
, FALSE
);
3682 es
->flags
&= ~EF_MODIFIED
;
3683 EDIT_EM_SetSel(es
, 0, 0, FALSE
);
3685 /* Send the notification after the selection start and end have been set
3686 * edit control doesn't send notification on WM_SETTEXT
3687 * if it is multiline, or it is part of combobox
3689 if( !((es
->style
& ES_MULTILINE
) || es
->hwndListBox
))
3691 EDIT_NOTIFY_PARENT(es
, EN_UPDATE
);
3692 EDIT_NOTIFY_PARENT(es
, EN_CHANGE
);
3694 EDIT_EM_ScrollCaret(es
);
3695 EDIT_UpdateScrollInfo(es
);
3699 /*********************************************************************
3704 static void EDIT_WM_Size(EDITSTATE
*es
, UINT action
, INT width
, INT height
)
3706 if ((action
== SIZE_MAXIMIZED
) || (action
== SIZE_RESTORED
)) {
3708 TRACE("width = %d, height = %d\n", width
, height
);
3709 SetRect(&rc
, 0, 0, width
, height
);
3710 EDIT_SetRectNP(es
, &rc
);
3711 EDIT_UpdateText(es
, NULL
, TRUE
);
3716 /*********************************************************************
3720 * This message is sent by SetWindowLong on having changed either the Style
3721 * or the extended style.
3723 * We ensure that the window's version of the styles and the EDITSTATE's agree.
3725 * See also EDIT_WM_NCCreate
3727 * It appears that the Windows version of the edit control allows the style
3728 * (as retrieved by GetWindowLong) to be any value and maintains an internal
3729 * style variable which will generally be different. In this function we
3730 * update the internal style based on what changed in the externally visible
3733 * Much of this content as based upon the MSDN, especially:
3734 * Platform SDK Documentation -> User Interface Services ->
3735 * Windows User Interface -> Edit Controls -> Edit Control Reference ->
3736 * Edit Control Styles
3738 static LRESULT
EDIT_WM_StyleChanged ( EDITSTATE
*es
, WPARAM which
, const STYLESTRUCT
*style
)
3740 if (GWL_STYLE
== which
) {
3741 DWORD style_change_mask
;
3743 /* Only a subset of changes can be applied after the control
3746 style_change_mask
= ES_UPPERCASE
| ES_LOWERCASE
|
3748 if (es
->style
& ES_MULTILINE
)
3749 style_change_mask
|= ES_WANTRETURN
;
3751 new_style
= style
->styleNew
& style_change_mask
;
3753 /* Number overrides lowercase overrides uppercase (at least it
3754 * does in Win95). However I'll bet that ES_NUMBER would be
3755 * invalid under Win 3.1.
3757 if (new_style
& ES_NUMBER
) {
3758 ; /* do not override the ES_NUMBER */
3759 } else if (new_style
& ES_LOWERCASE
) {
3760 new_style
&= ~ES_UPPERCASE
;
3763 es
->style
= (es
->style
& ~style_change_mask
) | new_style
;
3764 } else if (GWL_EXSTYLE
== which
) {
3765 ; /* FIXME - what is needed here */
3767 WARN ("Invalid style change %ld\n",which
);
3773 /*********************************************************************
3778 static LRESULT
EDIT_WM_SysKeyDown(EDITSTATE
*es
, INT key
, DWORD key_data
)
3780 if ((key
== VK_BACK
) && (key_data
& 0x2000)) {
3781 if (EDIT_EM_CanUndo(es
))
3784 } else if (key
== VK_UP
|| key
== VK_DOWN
) {
3785 if (EDIT_CheckCombo(es
, WM_SYSKEYDOWN
, key
))
3788 return DefWindowProcW(es
->hwndSelf
, WM_SYSKEYDOWN
, key
, key_data
);
3792 /*********************************************************************
3797 static void EDIT_WM_Timer(EDITSTATE
*es
)
3799 if (es
->region_posx
< 0) {
3800 EDIT_MoveBackward(es
, TRUE
);
3801 } else if (es
->region_posx
> 0) {
3802 EDIT_MoveForward(es
, TRUE
);
3805 * FIXME: gotta do some vertical scrolling here, like
3806 * EDIT_EM_LineScroll(hwnd, 0, 1);
3810 /*********************************************************************
3815 static LRESULT
EDIT_WM_HScroll(EDITSTATE
*es
, INT action
, INT pos
)
3820 if (!(es
->style
& ES_MULTILINE
))
3823 if (!(es
->style
& ES_AUTOHSCROLL
))
3827 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
3830 TRACE("SB_LINELEFT\n");
3832 dx
= -es
->char_width
;
3835 TRACE("SB_LINERIGHT\n");
3836 if (es
->x_offset
< es
->text_width
)
3837 dx
= es
->char_width
;
3840 TRACE("SB_PAGELEFT\n");
3842 dx
= -fw
/ HSCROLL_FRACTION
/ es
->char_width
* es
->char_width
;
3845 TRACE("SB_PAGERIGHT\n");
3846 if (es
->x_offset
< es
->text_width
)
3847 dx
= fw
/ HSCROLL_FRACTION
/ es
->char_width
* es
->char_width
;
3855 TRACE("SB_RIGHT\n");
3856 if (es
->x_offset
< es
->text_width
)
3857 dx
= es
->text_width
- es
->x_offset
;
3860 TRACE("SB_THUMBTRACK %d\n", pos
);
3861 es
->flags
|= EF_HSCROLL_TRACK
;
3862 if(es
->style
& WS_HSCROLL
)
3863 dx
= pos
- es
->x_offset
;
3868 if(pos
< 0 || pos
> 100) return 0;
3869 /* Assume default scroll range 0-100 */
3870 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
3871 new_x
= pos
* (es
->text_width
- fw
) / 100;
3872 dx
= es
->text_width
? (new_x
- es
->x_offset
) : 0;
3875 case SB_THUMBPOSITION
:
3876 TRACE("SB_THUMBPOSITION %d\n", pos
);
3877 es
->flags
&= ~EF_HSCROLL_TRACK
;
3878 if(GetWindowLongW( es
->hwndSelf
, GWL_STYLE
) & WS_HSCROLL
)
3879 dx
= pos
- es
->x_offset
;
3884 if(pos
< 0 || pos
> 100) return 0;
3885 /* Assume default scroll range 0-100 */
3886 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
3887 new_x
= pos
* (es
->text_width
- fw
) / 100;
3888 dx
= es
->text_width
? (new_x
- es
->x_offset
) : 0;
3891 /* force scroll info update */
3892 EDIT_UpdateScrollInfo(es
);
3893 EDIT_NOTIFY_PARENT(es
, EN_HSCROLL
);
3897 TRACE("SB_ENDSCROLL\n");
3900 * FIXME : the next two are undocumented !
3901 * Are we doing the right thing ?
3902 * At least Win 3.1 Notepad makes use of EM_GETTHUMB this way,
3903 * although it's also a regular control message.
3905 case EM_GETTHUMB
: /* this one is used by NT notepad */
3908 if(GetWindowLongW( es
->hwndSelf
, GWL_STYLE
) & WS_HSCROLL
)
3909 ret
= GetScrollPos(es
->hwndSelf
, SB_HORZ
);
3912 /* Assume default scroll range 0-100 */
3913 INT fw
= es
->format_rect
.right
- es
->format_rect
.left
;
3914 ret
= es
->text_width
? es
->x_offset
* 100 / (es
->text_width
- fw
) : 0;
3916 TRACE("EM_GETTHUMB: returning %ld\n", ret
);
3920 TRACE("EM_LINESCROLL16\n");
3925 ERR("undocumented WM_HSCROLL action %d (0x%04x), please report\n",
3931 INT fw
= es
->format_rect
.right
- es
->format_rect
.left
;
3932 /* check if we are going to move too far */
3933 if(es
->x_offset
+ dx
+ fw
> es
->text_width
)
3934 dx
= es
->text_width
- fw
- es
->x_offset
;
3936 EDIT_EM_LineScroll_internal(es
, dx
, 0);
3942 /*********************************************************************
3947 static LRESULT
EDIT_WM_VScroll(EDITSTATE
*es
, INT action
, INT pos
)
3951 if (!(es
->style
& ES_MULTILINE
))
3954 if (!(es
->style
& ES_AUTOVSCROLL
))
3963 TRACE("action %d (%s)\n", action
, (action
== SB_LINEUP
? "SB_LINEUP" :
3964 (action
== SB_LINEDOWN
? "SB_LINEDOWN" :
3965 (action
== SB_PAGEUP
? "SB_PAGEUP" :
3967 EDIT_EM_Scroll(es
, action
);
3974 TRACE("SB_BOTTOM\n");
3975 dy
= es
->line_count
- 1 - es
->y_offset
;
3978 TRACE("SB_THUMBTRACK %d\n", pos
);
3979 es
->flags
|= EF_VSCROLL_TRACK
;
3980 if(es
->style
& WS_VSCROLL
)
3981 dy
= pos
- es
->y_offset
;
3984 /* Assume default scroll range 0-100 */
3987 if(pos
< 0 || pos
> 100) return 0;
3988 vlc
= get_vertical_line_count(es
);
3989 new_y
= pos
* (es
->line_count
- vlc
) / 100;
3990 dy
= es
->line_count
? (new_y
- es
->y_offset
) : 0;
3991 TRACE("line_count=%d, y_offset=%d, pos=%d, dy = %d\n",
3992 es
->line_count
, es
->y_offset
, pos
, dy
);
3995 case SB_THUMBPOSITION
:
3996 TRACE("SB_THUMBPOSITION %d\n", pos
);
3997 es
->flags
&= ~EF_VSCROLL_TRACK
;
3998 if(es
->style
& WS_VSCROLL
)
3999 dy
= pos
- es
->y_offset
;
4002 /* Assume default scroll range 0-100 */
4005 if(pos
< 0 || pos
> 100) return 0;
4006 vlc
= get_vertical_line_count(es
);
4007 new_y
= pos
* (es
->line_count
- vlc
) / 100;
4008 dy
= es
->line_count
? (new_y
- es
->y_offset
) : 0;
4009 TRACE("line_count=%d, y_offset=%d, pos=%d, dy = %d\n",
4010 es
->line_count
, es
->y_offset
, pos
, dy
);
4014 /* force scroll info update */
4015 EDIT_UpdateScrollInfo(es
);
4016 EDIT_NOTIFY_PARENT(es
, EN_VSCROLL
);
4020 TRACE("SB_ENDSCROLL\n");
4023 * FIXME : the next two are undocumented !
4024 * Are we doing the right thing ?
4025 * At least Win 3.1 Notepad makes use of EM_GETTHUMB this way,
4026 * although it's also a regular control message.
4028 case EM_GETTHUMB
: /* this one is used by NT notepad */
4031 if(GetWindowLongW( es
->hwndSelf
, GWL_STYLE
) & WS_VSCROLL
)
4032 ret
= GetScrollPos(es
->hwndSelf
, SB_VERT
);
4035 /* Assume default scroll range 0-100 */
4036 INT vlc
= get_vertical_line_count(es
);
4037 ret
= es
->line_count
? es
->y_offset
* 100 / (es
->line_count
- vlc
) : 0;
4039 TRACE("EM_GETTHUMB: returning %ld\n", ret
);
4043 TRACE("EM_LINESCROLL %d\n", pos
);
4048 ERR("undocumented WM_VSCROLL action %d (0x%04x), please report\n",
4053 EDIT_EM_LineScroll(es
, 0, dy
);
4057 /*********************************************************************
4061 * FIXME: is this right ? (or should it be only VSCROLL)
4062 * (and maybe only for edit controls that really have their
4063 * own scrollbars) (and maybe only for multiline controls ?)
4064 * All in all: very poorly documented
4067 static LRESULT
EDIT_EM_GetThumb(EDITSTATE
*es
)
4069 return MAKELONG(EDIT_WM_VScroll(es
, EM_GETTHUMB
, 0),
4070 EDIT_WM_HScroll(es
, EM_GETTHUMB
, 0));
4074 /********************************************************************
4076 * The Following code is to handle inline editing from IMEs
4079 static void EDIT_GetCompositionStr(HIMC hIMC
, LPARAM CompFlag
, EDITSTATE
*es
)
4082 LPWSTR lpCompStr
= NULL
;
4083 LPSTR lpCompStrAttr
= NULL
;
4086 buflen
= ImmGetCompositionStringW(hIMC
, GCS_COMPSTR
, NULL
, 0);
4093 lpCompStr
= HeapAlloc(GetProcessHeap(),0,buflen
+ sizeof(WCHAR
));
4096 ERR("Unable to allocate IME CompositionString\n");
4101 ImmGetCompositionStringW(hIMC
, GCS_COMPSTR
, lpCompStr
, buflen
);
4102 lpCompStr
[buflen
/sizeof(WCHAR
)] = 0;
4104 if (CompFlag
& GCS_COMPATTR
)
4107 * We do not use the attributes yet. it would tell us what characters
4108 * are in transition and which are converted or decided upon
4110 dwBufLenAttr
= ImmGetCompositionStringW(hIMC
, GCS_COMPATTR
, NULL
, 0);
4114 lpCompStrAttr
= HeapAlloc(GetProcessHeap(),0,dwBufLenAttr
+1);
4117 ERR("Unable to allocate IME Attribute String\n");
4118 HeapFree(GetProcessHeap(),0,lpCompStr
);
4121 ImmGetCompositionStringW(hIMC
,GCS_COMPATTR
, lpCompStrAttr
,
4123 lpCompStrAttr
[dwBufLenAttr
] = 0;
4126 lpCompStrAttr
= NULL
;
4129 /* check for change in composition start */
4130 if (es
->selection_end
< es
->composition_start
)
4131 es
->composition_start
= es
->selection_end
;
4133 /* replace existing selection string */
4134 es
->selection_start
= es
->composition_start
;
4136 if (es
->composition_len
> 0)
4137 es
->selection_end
= es
->composition_start
+ es
->composition_len
;
4139 es
->selection_end
= es
->selection_start
;
4141 EDIT_EM_ReplaceSel(es
, FALSE
, lpCompStr
, TRUE
, TRUE
);
4142 es
->composition_len
= abs(es
->composition_start
- es
->selection_end
);
4144 es
->selection_start
= es
->composition_start
;
4145 es
->selection_end
= es
->selection_start
+ es
->composition_len
;
4147 HeapFree(GetProcessHeap(),0,lpCompStrAttr
);
4148 HeapFree(GetProcessHeap(),0,lpCompStr
);
4151 static void EDIT_GetResultStr(HIMC hIMC
, EDITSTATE
*es
)
4156 buflen
= ImmGetCompositionStringW(hIMC
, GCS_RESULTSTR
, NULL
, 0);
4162 lpResultStr
= HeapAlloc(GetProcessHeap(),0, buflen
+sizeof(WCHAR
));
4165 ERR("Unable to alloc buffer for IME string\n");
4169 ImmGetCompositionStringW(hIMC
, GCS_RESULTSTR
, lpResultStr
, buflen
);
4170 lpResultStr
[buflen
/sizeof(WCHAR
)] = 0;
4172 /* check for change in composition start */
4173 if (es
->selection_end
< es
->composition_start
)
4174 es
->composition_start
= es
->selection_end
;
4176 es
->selection_start
= es
->composition_start
;
4177 es
->selection_end
= es
->composition_start
+ es
->composition_len
;
4178 EDIT_EM_ReplaceSel(es
, TRUE
, lpResultStr
, TRUE
, TRUE
);
4179 es
->composition_start
= es
->selection_end
;
4180 es
->composition_len
= 0;
4182 HeapFree(GetProcessHeap(),0,lpResultStr
);
4185 static void EDIT_ImeComposition(HWND hwnd
, LPARAM CompFlag
, EDITSTATE
*es
)
4190 if (es
->composition_len
== 0 && es
->selection_start
!= es
->selection_end
)
4192 EDIT_EM_ReplaceSel(es
, TRUE
, empty_stringW
, TRUE
, TRUE
);
4193 es
->composition_start
= es
->selection_end
;
4196 hIMC
= ImmGetContext(hwnd
);
4200 if (CompFlag
& GCS_RESULTSTR
)
4201 EDIT_GetResultStr(hIMC
, es
);
4202 if (CompFlag
& GCS_COMPSTR
)
4203 EDIT_GetCompositionStr(hIMC
, CompFlag
, es
);
4204 cursor
= ImmGetCompositionStringW(hIMC
, GCS_CURSORPOS
, 0, 0);
4205 ImmReleaseContext(hwnd
, hIMC
);
4206 EDIT_SetCaretPos(es
, es
->selection_start
+ cursor
, es
->flags
& EF_AFTER_WRAP
);
4210 /*********************************************************************
4214 * See also EDIT_WM_StyleChanged
4216 static LRESULT
EDIT_WM_NCCreate(HWND hwnd
, LPCREATESTRUCTW lpcs
, BOOL unicode
)
4221 TRACE("Creating %s edit control, style = %08x\n",
4222 unicode
? "Unicode" : "ANSI", lpcs
->style
);
4224 if (!(es
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(*es
))))
4226 SetWindowLongPtrW( hwnd
, 0, (LONG_PTR
)es
);
4229 * Note: since the EDITSTATE has not been fully initialized yet,
4230 * we can't use any API calls that may send
4231 * WM_XXX messages before WM_NCCREATE is completed.
4234 es
->is_unicode
= unicode
;
4235 es
->style
= lpcs
->style
;
4237 es
->bEnableState
= !(es
->style
& WS_DISABLED
);
4239 es
->hwndSelf
= hwnd
;
4240 /* Save parent, which will be notified by EN_* messages */
4241 es
->hwndParent
= lpcs
->hwndParent
;
4243 if (es
->style
& ES_COMBO
)
4244 es
->hwndListBox
= GetDlgItem(es
->hwndParent
, ID_CB_LISTBOX
);
4246 /* FIXME: should we handle changes to WS_EX_RIGHT style after creation? */
4247 if (lpcs
->dwExStyle
& WS_EX_RIGHT
) es
->style
|= ES_RIGHT
;
4249 /* Number overrides lowercase overrides uppercase (at least it
4250 * does in Win95). However I'll bet that ES_NUMBER would be
4251 * invalid under Win 3.1.
4253 if (es
->style
& ES_NUMBER
) {
4254 ; /* do not override the ES_NUMBER */
4255 } else if (es
->style
& ES_LOWERCASE
) {
4256 es
->style
&= ~ES_UPPERCASE
;
4258 if (es
->style
& ES_MULTILINE
) {
4259 es
->buffer_limit
= BUFLIMIT_INITIAL
;
4260 if (es
->style
& WS_VSCROLL
)
4261 es
->style
|= ES_AUTOVSCROLL
;
4262 if (es
->style
& WS_HSCROLL
)
4263 es
->style
|= ES_AUTOHSCROLL
;
4264 es
->style
&= ~ES_PASSWORD
;
4265 if ((es
->style
& ES_CENTER
) || (es
->style
& ES_RIGHT
)) {
4266 /* Confirmed - RIGHT overrides CENTER */
4267 if (es
->style
& ES_RIGHT
)
4268 es
->style
&= ~ES_CENTER
;
4269 es
->style
&= ~WS_HSCROLL
;
4270 es
->style
&= ~ES_AUTOHSCROLL
;
4273 es
->buffer_limit
= BUFLIMIT_INITIAL
;
4274 if ((es
->style
& ES_RIGHT
) && (es
->style
& ES_CENTER
))
4275 es
->style
&= ~ES_CENTER
;
4276 es
->style
&= ~WS_HSCROLL
;
4277 es
->style
&= ~WS_VSCROLL
;
4278 if (es
->style
& ES_PASSWORD
)
4279 es
->password_char
= '*';
4282 alloc_size
= ROUND_TO_GROW((es
->buffer_size
+ 1) * sizeof(WCHAR
));
4283 if(!(es
->hloc32W
= LocalAlloc(LMEM_MOVEABLE
| LMEM_ZEROINIT
, alloc_size
)))
4285 es
->buffer_size
= LocalSize(es
->hloc32W
)/sizeof(WCHAR
) - 1;
4287 if (!(es
->undo_text
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, (es
->buffer_size
+ 1) * sizeof(WCHAR
))))
4289 es
->undo_buffer_size
= es
->buffer_size
;
4291 if (es
->style
& ES_MULTILINE
)
4292 if (!(es
->first_line_def
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(LINEDEF
))))
4297 * In Win95 look and feel, the WS_BORDER style is replaced by the
4298 * WS_EX_CLIENTEDGE style for the edit control. This gives the edit
4299 * control a nonclient area so we don't need to draw the border.
4300 * If WS_BORDER without WS_EX_CLIENTEDGE is specified we shouldn't have
4301 * a nonclient area and we should handle painting the border ourselves.
4303 * When making modifications please ensure that the code still works
4304 * for edit controls created directly with style 0x50800000, exStyle 0
4305 * (which should have a single pixel border)
4307 if (lpcs
->dwExStyle
& WS_EX_CLIENTEDGE
)
4308 es
->style
&= ~WS_BORDER
;
4309 else if (es
->style
& WS_BORDER
)
4310 SetWindowLongW(hwnd
, GWL_STYLE
, es
->style
& ~WS_BORDER
);
4315 SetWindowLongPtrW(es
->hwndSelf
, 0, 0);
4316 HeapFree(GetProcessHeap(), 0, es
->first_line_def
);
4317 HeapFree(GetProcessHeap(), 0, es
->undo_text
);
4318 if (es
->hloc32W
) LocalFree(es
->hloc32W
);
4319 HeapFree(GetProcessHeap(), 0, es
->logAttr
);
4320 HeapFree(GetProcessHeap(), 0, es
);
4325 /*********************************************************************
4330 static LRESULT
EDIT_WM_Create(EDITSTATE
*es
, LPCWSTR name
)
4334 TRACE("%s\n", debugstr_w(name
));
4336 * To initialize some final structure members, we call some helper
4337 * functions. However, since the EDITSTATE is not consistent (i.e.
4338 * not fully initialized), we should be very careful which
4339 * functions can be called, and in what order.
4341 EDIT_WM_SetFont(es
, 0, FALSE
);
4342 EDIT_EM_EmptyUndoBuffer(es
);
4344 /* We need to calculate the format rect
4345 (applications may send EM_SETMARGINS before the control gets visible) */
4346 GetClientRect(es
->hwndSelf
, &clientRect
);
4347 EDIT_SetRectNP(es
, &clientRect
);
4349 if (name
&& *name
) {
4350 EDIT_EM_ReplaceSel(es
, FALSE
, name
, FALSE
, FALSE
);
4351 /* if we insert text to the editline, the text scrolls out
4352 * of the window, as the caret is placed after the insert
4353 * pos normally; thus we reset es->selection... to 0 and
4356 es
->selection_start
= es
->selection_end
= 0;
4357 /* Adobe Photoshop does NOT like this. and MSDN says that EN_CHANGE
4358 * Messages are only to be sent when the USER does something to
4359 * change the contents. So I am removing this EN_CHANGE
4361 * EDIT_NOTIFY_PARENT(es, EN_CHANGE);
4363 EDIT_EM_ScrollCaret(es
);
4365 /* force scroll info update */
4366 EDIT_UpdateScrollInfo(es
);
4367 /* The rule seems to return 1 here for success */
4368 /* Power Builder masked edit controls will crash */
4370 /* FIXME: is that in all cases so ? */
4375 /*********************************************************************
4380 static LRESULT
EDIT_WM_NCDestroy(EDITSTATE
*es
)
4385 LocalFree(es
->hloc32W
);
4388 LocalFree(es
->hloc32A
);
4390 pc
= es
->first_line_def
;
4394 HeapFree(GetProcessHeap(), 0, pc
);
4398 SetWindowLongPtrW( es
->hwndSelf
, 0, 0 );
4399 HeapFree(GetProcessHeap(), 0, es
->undo_text
);
4400 HeapFree(GetProcessHeap(), 0, es
);
4406 static inline LRESULT
DefWindowProcT(HWND hwnd
, UINT msg
, WPARAM wParam
, LPARAM lParam
, BOOL unicode
)
4409 return DefWindowProcW(hwnd
, msg
, wParam
, lParam
);
4411 return DefWindowProcA(hwnd
, msg
, wParam
, lParam
);
4414 /*********************************************************************
4416 * EditWndProc_common
4418 * The messages are in the order of the actual integer values
4419 * (which can be found in include/windows.h)
4421 LRESULT
EditWndProc_common( HWND hwnd
, UINT msg
, WPARAM wParam
, LPARAM lParam
, BOOL unicode
)
4423 EDITSTATE
*es
= (EDITSTATE
*)GetWindowLongPtrW( hwnd
, 0 );
4426 TRACE("hwnd=%p msg=%x (%s) wparam=%lx lparam=%lx\n", hwnd
, msg
, SPY_GetMsgName(msg
, hwnd
), wParam
, lParam
);
4428 if (!es
&& msg
!= WM_NCCREATE
)
4429 return DefWindowProcT(hwnd
, msg
, wParam
, lParam
, unicode
);
4431 if (es
&& (msg
!= WM_NCDESTROY
)) EDIT_LockBuffer(es
);
4435 result
= EDIT_EM_GetSel(es
, (PUINT
)wParam
, (PUINT
)lParam
);
4439 EDIT_EM_SetSel(es
, wParam
, lParam
, FALSE
);
4440 EDIT_EM_ScrollCaret(es
);
4446 CopyRect((LPRECT
)lParam
, &es
->format_rect
);
4450 if ((es
->style
& ES_MULTILINE
) && lParam
) {
4451 EDIT_SetRectNP(es
, (LPRECT
)lParam
);
4452 EDIT_UpdateText(es
, NULL
, TRUE
);
4457 if ((es
->style
& ES_MULTILINE
) && lParam
)
4458 EDIT_SetRectNP(es
, (LPRECT
)lParam
);
4462 result
= EDIT_EM_Scroll(es
, (INT
)wParam
);
4466 result
= (LRESULT
)EDIT_EM_LineScroll(es
, (INT
)wParam
, (INT
)lParam
);
4469 case EM_SCROLLCARET
:
4470 EDIT_EM_ScrollCaret(es
);
4475 result
= ((es
->flags
& EF_MODIFIED
) != 0);
4480 es
->flags
|= EF_MODIFIED
;
4482 es
->flags
&= ~(EF_MODIFIED
| EF_UPDATE
); /* reset pending updates */
4485 case EM_GETLINECOUNT
:
4486 result
= (es
->style
& ES_MULTILINE
) ? es
->line_count
: 1;
4490 result
= (LRESULT
)EDIT_EM_LineIndex(es
, (INT
)wParam
);
4494 EDIT_EM_SetHandle(es
, (HLOCAL
)wParam
);
4498 result
= (LRESULT
)EDIT_EM_GetHandle(es
);
4502 result
= EDIT_EM_GetThumb(es
);
4505 /* these messages missing from specs */
4510 FIXME("undocumented message 0x%x, please report\n", msg
);
4511 result
= DefWindowProcW(hwnd
, msg
, wParam
, lParam
);
4515 result
= (LRESULT
)EDIT_EM_LineLength(es
, (INT
)wParam
);
4523 textW
= (LPWSTR
)lParam
;
4526 LPSTR textA
= (LPSTR
)lParam
;
4527 INT countW
= MultiByteToWideChar(CP_ACP
, 0, textA
, -1, NULL
, 0);
4528 if (!(textW
= HeapAlloc(GetProcessHeap(), 0, countW
* sizeof(WCHAR
)))) break;
4529 MultiByteToWideChar(CP_ACP
, 0, textA
, -1, textW
, countW
);
4532 EDIT_EM_ReplaceSel(es
, (BOOL
)wParam
, textW
, TRUE
, TRUE
);
4536 HeapFree(GetProcessHeap(), 0, textW
);
4541 result
= (LRESULT
)EDIT_EM_GetLine(es
, (INT
)wParam
, (LPWSTR
)lParam
, unicode
);
4544 case EM_SETLIMITTEXT
:
4545 EDIT_EM_SetLimitText(es
, wParam
);
4549 result
= (LRESULT
)EDIT_EM_CanUndo(es
);
4554 result
= (LRESULT
)EDIT_EM_Undo(es
);
4558 result
= (LRESULT
)EDIT_EM_FmtLines(es
, (BOOL
)wParam
);
4561 case EM_LINEFROMCHAR
:
4562 result
= (LRESULT
)EDIT_EM_LineFromChar(es
, (INT
)wParam
);
4565 case EM_SETTABSTOPS
:
4566 result
= (LRESULT
)EDIT_EM_SetTabStops(es
, (INT
)wParam
, (LPINT
)lParam
);
4569 case EM_SETPASSWORDCHAR
:
4574 charW
= (WCHAR
)wParam
;
4577 CHAR charA
= wParam
;
4578 MultiByteToWideChar(CP_ACP
, 0, &charA
, 1, &charW
, 1);
4581 EDIT_EM_SetPasswordChar(es
, charW
);
4585 case EM_EMPTYUNDOBUFFER
:
4586 EDIT_EM_EmptyUndoBuffer(es
);
4589 case EM_GETFIRSTVISIBLELINE
:
4590 result
= (es
->style
& ES_MULTILINE
) ? es
->y_offset
: es
->x_offset
;
4593 case EM_SETREADONLY
:
4595 DWORD old_style
= es
->style
;
4598 SetWindowLongW( hwnd
, GWL_STYLE
,
4599 GetWindowLongW( hwnd
, GWL_STYLE
) | ES_READONLY
);
4600 es
->style
|= ES_READONLY
;
4602 SetWindowLongW( hwnd
, GWL_STYLE
,
4603 GetWindowLongW( hwnd
, GWL_STYLE
) & ~ES_READONLY
);
4604 es
->style
&= ~ES_READONLY
;
4607 if (old_style
^ es
->style
)
4608 InvalidateRect(es
->hwndSelf
, NULL
, TRUE
);
4614 case EM_SETWORDBREAKPROC
:
4615 EDIT_EM_SetWordBreakProc(es
, (void *)lParam
);
4618 case EM_GETWORDBREAKPROC
:
4619 result
= (LRESULT
)es
->word_break_proc
;
4622 case EM_GETPASSWORDCHAR
:
4625 result
= es
->password_char
;
4628 WCHAR charW
= es
->password_char
;
4630 WideCharToMultiByte(CP_ACP
, 0, &charW
, 1, &charA
, 1, NULL
, NULL
);
4637 EDIT_EM_SetMargins(es
, (INT
)wParam
, LOWORD(lParam
), HIWORD(lParam
), TRUE
);
4641 result
= MAKELONG(es
->left_margin
, es
->right_margin
);
4644 case EM_GETLIMITTEXT
:
4645 result
= es
->buffer_limit
;
4648 case EM_POSFROMCHAR
:
4649 if ((INT
)wParam
>= get_text_length(es
)) result
= -1;
4650 else result
= EDIT_EM_PosFromChar(es
, (INT
)wParam
, FALSE
);
4653 case EM_CHARFROMPOS
:
4654 result
= EDIT_EM_CharFromPos(es
, (short)LOWORD(lParam
), (short)HIWORD(lParam
));
4657 /* End of the EM_ messages which were in numerical order; what order
4658 * are these in? vaguely alphabetical?
4662 result
= EDIT_WM_NCCreate(hwnd
, (LPCREATESTRUCTW
)lParam
, unicode
);
4666 result
= EDIT_WM_NCDestroy(es
);
4671 result
= DLGC_HASSETSEL
| DLGC_WANTCHARS
| DLGC_WANTARROWS
;
4673 if (es
->style
& ES_MULTILINE
)
4674 result
|= DLGC_WANTALLKEYS
;
4678 es
->flags
|=EF_DIALOGMODE
;
4680 if (((LPMSG
)lParam
)->message
== WM_KEYDOWN
)
4682 int vk
= (int)((LPMSG
)lParam
)->wParam
;
4684 if (es
->hwndListBox
)
4686 if (vk
== VK_RETURN
|| vk
== VK_ESCAPE
)
4687 if (SendMessageW(GetParent(hwnd
), CB_GETDROPPEDSTATE
, 0, 0))
4688 result
|= DLGC_WANTMESSAGE
;
4700 strng
[0] = wParam
>> 8;
4701 strng
[1] = wParam
& 0xff;
4702 if (strng
[0]) MultiByteToWideChar(CP_ACP
, 0, strng
, 2, &charW
, 1);
4703 else MultiByteToWideChar(CP_ACP
, 0, &strng
[1], 1, &charW
, 1);
4704 result
= EDIT_WM_Char(es
, charW
);
4716 CHAR charA
= wParam
;
4717 MultiByteToWideChar(CP_ACP
, 0, &charA
, 1, &charW
, 1);
4720 if (es
->hwndListBox
)
4722 if (charW
== VK_RETURN
|| charW
== VK_ESCAPE
)
4724 if (SendMessageW(GetParent(hwnd
), CB_GETDROPPEDSTATE
, 0, 0))
4725 SendMessageW(GetParent(hwnd
), WM_KEYDOWN
, charW
, 0);
4729 result
= EDIT_WM_Char(es
, charW
);
4736 if (wParam
== UNICODE_NOCHAR
) return TRUE
;
4737 if (wParam
<= 0x000fffff)
4739 if(wParam
> 0xffff) /* convert to surrogates */
4742 EDIT_WM_Char(es
, (wParam
>> 10) + 0xd800);
4743 EDIT_WM_Char(es
, (wParam
& 0x03ff) + 0xdc00);
4745 else EDIT_WM_Char(es
, wParam
);
4756 EDIT_WM_Command(es
, HIWORD(wParam
), LOWORD(wParam
), (HWND
)lParam
);
4759 case WM_CONTEXTMENU
:
4760 EDIT_WM_ContextMenu(es
, (short)LOWORD(lParam
), (short)HIWORD(lParam
));
4769 result
= EDIT_WM_Create(es
, ((LPCREATESTRUCTW
)lParam
)->lpszName
);
4772 LPCSTR nameA
= ((LPCREATESTRUCTA
)lParam
)->lpszName
;
4773 LPWSTR nameW
= NULL
;
4776 INT countW
= MultiByteToWideChar(CP_ACP
, 0, nameA
, -1, NULL
, 0);
4777 if((nameW
= HeapAlloc(GetProcessHeap(), 0, countW
* sizeof(WCHAR
))))
4778 MultiByteToWideChar(CP_ACP
, 0, nameA
, -1, nameW
, countW
);
4780 result
= EDIT_WM_Create(es
, nameW
);
4781 HeapFree(GetProcessHeap(), 0, nameW
);
4790 es
->bEnableState
= (BOOL
) wParam
;
4791 EDIT_UpdateText(es
, NULL
, TRUE
);
4795 /* we do the proper erase in EDIT_WM_Paint */
4800 result
= (LRESULT
)es
->font
;
4804 result
= (LRESULT
)EDIT_WM_GetText(es
, (INT
)wParam
, (LPWSTR
)lParam
, unicode
);
4807 case WM_GETTEXTLENGTH
:
4808 if (unicode
) result
= get_text_length(es
);
4809 else result
= WideCharToMultiByte( CP_ACP
, 0, es
->text
, get_text_length(es
),
4810 NULL
, 0, NULL
, NULL
);
4814 result
= EDIT_WM_HScroll(es
, LOWORD(wParam
), (short)HIWORD(wParam
));
4818 result
= EDIT_WM_KeyDown(es
, (INT
)wParam
);
4822 result
= EDIT_WM_KillFocus(es
);
4825 case WM_LBUTTONDBLCLK
:
4826 result
= EDIT_WM_LButtonDblClk(es
);
4829 case WM_LBUTTONDOWN
:
4830 result
= EDIT_WM_LButtonDown(es
, wParam
, (short)LOWORD(lParam
), (short)HIWORD(lParam
));
4834 result
= EDIT_WM_LButtonUp(es
);
4837 case WM_MBUTTONDOWN
:
4838 result
= EDIT_WM_MButtonDown(es
);
4842 result
= EDIT_WM_MouseMove(es
, (short)LOWORD(lParam
), (short)HIWORD(lParam
));
4845 case WM_PRINTCLIENT
:
4847 EDIT_WM_Paint(es
, (HDC
)wParam
);
4855 EDIT_WM_SetFocus(es
);
4859 EDIT_WM_SetFont(es
, (HFONT
)wParam
, LOWORD(lParam
) != 0);
4863 /* FIXME: actually set an internal flag and behave accordingly */
4867 EDIT_WM_SetText(es
, (LPCWSTR
)lParam
, unicode
);
4872 EDIT_WM_Size(es
, (UINT
)wParam
, LOWORD(lParam
), HIWORD(lParam
));
4875 case WM_STYLECHANGED
:
4876 result
= EDIT_WM_StyleChanged(es
, wParam
, (const STYLESTRUCT
*)lParam
);
4879 case WM_STYLECHANGING
:
4880 result
= 0; /* See EDIT_WM_StyleChanged */
4884 result
= EDIT_WM_SysKeyDown(es
, (INT
)wParam
, (DWORD
)lParam
);
4892 result
= EDIT_WM_VScroll(es
, LOWORD(wParam
), (short)HIWORD(wParam
));
4897 int gcWheelDelta
= 0;
4898 UINT pulScrollLines
= 3;
4899 SystemParametersInfoW(SPI_GETWHEELSCROLLLINES
,0, &pulScrollLines
, 0);
4901 if (wParam
& (MK_SHIFT
| MK_CONTROL
)) {
4902 result
= DefWindowProcW(hwnd
, msg
, wParam
, lParam
);
4905 gcWheelDelta
-= GET_WHEEL_DELTA_WPARAM(wParam
);
4906 if (abs(gcWheelDelta
) >= WHEEL_DELTA
&& pulScrollLines
)
4908 int cLineScroll
= (int) min((UINT
) es
->line_count
, pulScrollLines
);
4909 cLineScroll
*= (gcWheelDelta
/ WHEEL_DELTA
);
4910 result
= EDIT_EM_LineScroll(es
, 0, cLineScroll
);
4916 /* IME messages to make the edit control IME aware */
4917 case WM_IME_SETCONTEXT
:
4920 case WM_IME_STARTCOMPOSITION
:
4921 es
->composition_start
= es
->selection_end
;
4922 es
->composition_len
= 0;
4925 case WM_IME_COMPOSITION
:
4926 EDIT_ImeComposition(hwnd
, lParam
, es
);
4929 case WM_IME_ENDCOMPOSITION
:
4930 if (es
->composition_len
> 0)
4932 EDIT_EM_ReplaceSel(es
, TRUE
, empty_stringW
, TRUE
, TRUE
);
4933 es
->selection_end
= es
->selection_start
;
4934 es
->composition_len
= 0;
4938 case WM_IME_COMPOSITIONFULL
:
4944 case WM_IME_CONTROL
:
4948 result
= DefWindowProcT(hwnd
, msg
, wParam
, lParam
, unicode
);
4952 if (IsWindow(hwnd
) && es
) EDIT_UnlockBuffer(es
, FALSE
);
4954 TRACE("hwnd=%p msg=%x (%s) -- 0x%08lx\n", hwnd
, msg
, SPY_GetMsgName(msg
, hwnd
), result
);
4960 /*********************************************************************
4961 * edit class descriptor
4963 static const WCHAR editW
[] = {'E','d','i','t',0};
4964 const struct builtin_class_descr EDIT_builtin_class
=
4967 CS_DBLCLKS
| CS_PARENTDC
, /* style */
4968 WINPROC_EDIT
, /* proc */
4970 sizeof(EDITSTATE
*) + sizeof(WORD
), /* extra */
4972 sizeof(EDITSTATE
*), /* extra */
4974 IDC_IBEAM
, /* cursor */