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
56 #include "wine/unicode.h"
58 #include "user_private.h"
59 #include "wine/debug.h"
61 WINE_DEFAULT_DEBUG_CHANNEL(edit
);
62 WINE_DECLARE_DEBUG_CHANNEL(combo
);
63 WINE_DECLARE_DEBUG_CHANNEL(relay
);
65 #define BUFLIMIT_INITIAL 30000 /* initial buffer size */
66 #define GROWLENGTH 32 /* buffers granularity in bytes: must be power of 2 */
67 #define ROUND_TO_GROW(size) (((size) + (GROWLENGTH - 1)) & ~(GROWLENGTH - 1))
68 #define HSCROLL_FRACTION 3 /* scroll window by 1/3 width */
71 * extra flags for EDITSTATE.flags field
73 #define EF_MODIFIED 0x0001 /* text has been modified */
74 #define EF_FOCUSED 0x0002 /* we have input focus */
75 #define EF_UPDATE 0x0004 /* notify parent of changed state */
76 #define EF_VSCROLL_TRACK 0x0008 /* don't SetScrollPos() since we are tracking the thumb */
77 #define EF_HSCROLL_TRACK 0x0010 /* don't SetScrollPos() since we are tracking the thumb */
78 #define EF_AFTER_WRAP 0x0080 /* the caret is displayed after the last character of a
79 wrapped line, instead of in front of the next character */
80 #define EF_USE_SOFTBRK 0x0100 /* Enable soft breaks in text. */
81 #define EF_APP_HAS_HANDLE 0x0200 /* Set when an app sends EM_[G|S]ETHANDLE. We are in sole control of
82 the text buffer if this is clear. */
83 #define EF_DIALOGMODE 0x0400 /* Indicates that we are inside a dialog window */
87 END_0
= 0, /* line ends with terminating '\0' character */
88 END_WRAP
, /* line is wrapped */
89 END_HARD
, /* line ends with a hard return '\r\n' */
90 END_SOFT
, /* line ends with a soft return '\r\r\n' */
91 END_RICH
/* line ends with a single '\n' */
94 typedef struct tagLINEDEF
{
95 INT length
; /* bruto length of a line in bytes */
96 INT net_length
; /* netto length of a line in visible characters */
98 INT width
; /* width of the line in pixels */
99 INT index
; /* line index into the buffer */
100 struct tagLINEDEF
*next
;
105 BOOL is_unicode
; /* how the control was created */
106 LPWSTR text
; /* the actual contents of the control */
107 UINT text_length
; /* cached length of text buffer (in WCHARs) - use get_text_length() to retrieve */
108 UINT buffer_size
; /* the size of the buffer in characters */
109 UINT buffer_limit
; /* the maximum size to which the buffer may grow in characters */
110 HFONT font
; /* NULL means standard system font */
111 INT x_offset
; /* scroll offset for multi lines this is in pixels
112 for single lines it's in characters */
113 INT line_height
; /* height of a screen line in pixels */
114 INT char_width
; /* average character width in pixels */
115 DWORD style
; /* sane version of wnd->dwStyle */
116 WORD flags
; /* flags that are not in es->style or wnd->flags (EF_XXX) */
117 INT undo_insert_count
; /* number of characters inserted in sequence */
118 UINT undo_position
; /* character index of the insertion and deletion */
119 LPWSTR undo_text
; /* deleted text */
120 UINT undo_buffer_size
; /* size of the deleted text buffer */
121 INT selection_start
; /* == selection_end if no selection */
122 INT selection_end
; /* == current caret position */
123 WCHAR password_char
; /* == 0 if no password char, and for multi line controls */
124 INT left_margin
; /* in pixels */
125 INT right_margin
; /* in pixels */
127 INT text_width
; /* width of the widest line in pixels for multi line controls
128 and just line width for single line controls */
129 INT region_posx
; /* Position of cursor relative to region: */
130 INT region_posy
; /* -1: to left, 0: within, 1: to right */
131 void *word_break_proc
; /* 32-bit word break proc: ANSI or Unicode */
132 INT line_count
; /* number of lines */
133 INT y_offset
; /* scroll offset in number of lines */
134 BOOL bCaptureState
; /* flag indicating whether mouse was captured */
135 BOOL bEnableState
; /* flag keeping the enable state */
136 HWND hwndSelf
; /* the our window handle */
137 HWND hwndParent
; /* Handle of parent for sending EN_* messages.
138 Even if parent will change, EN_* messages
139 should be sent to the first parent. */
140 HWND hwndListBox
; /* handle of ComboBox's listbox or NULL */
142 * only for multi line controls
144 INT lock_count
; /* amount of re-entries in the EditWndProc */
147 LINEDEF
*first_line_def
; /* linked list of (soft) linebreaks */
148 HLOCAL hloc32W
; /* our unicode local memory block */
149 HLOCAL hloc32A
; /* alias for ANSI control receiving EM_GETHANDLE
154 UINT composition_len
; /* length of composition, 0 == no composition */
155 int composition_start
; /* the character position for the composition */
159 #define SWAP_UINT32(x,y) do { UINT temp = (UINT)(x); (x) = (UINT)(y); (y) = temp; } while(0)
160 #define ORDER_UINT(x,y) do { if ((UINT)(y) < (UINT)(x)) SWAP_UINT32((x),(y)); } while(0)
162 /* used for disabled or read-only edit control */
163 #define EDIT_NOTIFY_PARENT(es, wNotifyCode) \
165 { /* Notify parent which has created this edit control */ \
166 TRACE("notification " #wNotifyCode " sent to hwnd=%p\n", es->hwndParent); \
167 SendMessageW(es->hwndParent, WM_COMMAND, \
168 MAKEWPARAM(GetWindowLongPtrW((es->hwndSelf),GWLP_ID), wNotifyCode), \
169 (LPARAM)(es->hwndSelf)); \
172 static const WCHAR empty_stringW
[] = {0};
174 /*********************************************************************
179 static inline BOOL
EDIT_EM_CanUndo(const EDITSTATE
*es
)
181 return (es
->undo_insert_count
|| strlenW(es
->undo_text
));
185 /*********************************************************************
190 static inline void EDIT_EM_EmptyUndoBuffer(EDITSTATE
*es
)
192 es
->undo_insert_count
= 0;
193 *es
->undo_text
= '\0';
197 /**********************************************************************
200 * Returns the window version in case Wine emulates a later version
201 * of windows than the application expects.
203 * In a number of cases when windows runs an application that was
204 * designed for an earlier windows version, windows reverts
205 * to "old" behaviour of that earlier version.
207 * An example is a disabled edit control that needs to be painted.
208 * Old style behaviour is to send a WM_CTLCOLOREDIT message. This was
209 * changed in Win95, NT4.0 by a WM_CTLCOLORSTATIC message _only_ for
210 * applications with an expected version 0f 4.0 or higher.
213 static DWORD
get_app_version(void)
215 static DWORD version
;
218 DWORD dwEmulatedVersion
;
220 DWORD dwProcVersion
= GetProcessVersion(0);
222 info
.dwOSVersionInfoSize
= sizeof(OSVERSIONINFOW
);
223 GetVersionExW( &info
);
224 dwEmulatedVersion
= MAKELONG( info
.dwMinorVersion
, info
.dwMajorVersion
);
225 /* FIXME: this may not be 100% correct; see discussion on the
226 * wine developer list in Nov 1999 */
227 version
= dwProcVersion
< dwEmulatedVersion
? dwProcVersion
: dwEmulatedVersion
;
232 static HBRUSH
EDIT_NotifyCtlColor(EDITSTATE
*es
, HDC hdc
)
237 if ( get_app_version() >= 0x40000 && (!es
->bEnableState
|| (es
->style
& ES_READONLY
)))
238 msg
= WM_CTLCOLORSTATIC
;
240 msg
= WM_CTLCOLOREDIT
;
242 /* why do we notify to es->hwndParent, and we send this one to GetParent()? */
243 hbrush
= (HBRUSH
)SendMessageW(GetParent(es
->hwndSelf
), msg
, (WPARAM
)hdc
, (LPARAM
)es
->hwndSelf
);
245 hbrush
= (HBRUSH
)DefWindowProcW(GetParent(es
->hwndSelf
), msg
, (WPARAM
)hdc
, (LPARAM
)es
->hwndSelf
);
250 /*********************************************************************
254 * Find the beginning of words.
255 * Note: unlike the specs for a WordBreakProc, this function only
256 * allows to be called without linebreaks between s[0] up to
257 * s[count - 1]. Remember it is only called
258 * internally, so we can decide this for ourselves.
261 static INT
EDIT_WordBreakProc(LPWSTR s
, INT index
, INT count
, INT action
)
265 TRACE("s=%p, index=%d, count=%d, action=%d\n", s
, index
, count
, action
);
275 if (s
[index
] == ' ') {
276 while (index
&& (s
[index
] == ' '))
279 while (index
&& (s
[index
] != ' '))
285 while (index
&& (s
[index
] != ' '))
298 while ((index
< count
) && (s
[index
] == ' ')) index
++;
300 while (s
[index
] && (s
[index
] != ' ') && (index
< count
))
302 while ((s
[index
] == ' ') && (index
< count
)) index
++;
307 ret
= (s
[index
] == ' ');
310 ERR("unknown action code, please report !\n");
317 /*********************************************************************
319 * EDIT_CallWordBreakProc
321 * Call appropriate WordBreakProc (internal or external).
323 * Note: The "start" argument should always be an index referring
324 * to es->text. The actual wordbreak proc might be
325 * 16 bit, so we can't always pass any 32 bit LPSTR.
326 * Hence we assume that es->text is the buffer that holds
327 * the string under examination (we can decide this for ourselves).
330 static INT
EDIT_CallWordBreakProc(EDITSTATE
*es
, INT start
, INT index
, INT count
, INT action
)
334 if (es
->word_break_proc
)
338 EDITWORDBREAKPROCW wbpW
= (EDITWORDBREAKPROCW
)es
->word_break_proc
;
340 TRACE_(relay
)("(UNICODE wordbrk=%p,str=%s,idx=%d,cnt=%d,act=%d)\n",
341 es
->word_break_proc
, debugstr_wn(es
->text
+ start
, count
), index
, count
, action
);
342 ret
= wbpW(es
->text
+ start
, index
, count
, action
);
346 EDITWORDBREAKPROCA wbpA
= (EDITWORDBREAKPROCA
)es
->word_break_proc
;
350 countA
= WideCharToMultiByte(CP_ACP
, 0, es
->text
+ start
, count
, NULL
, 0, NULL
, NULL
);
351 textA
= HeapAlloc(GetProcessHeap(), 0, countA
);
352 WideCharToMultiByte(CP_ACP
, 0, es
->text
+ start
, count
, textA
, countA
, NULL
, NULL
);
353 TRACE_(relay
)("(ANSI wordbrk=%p,str=%s,idx=%d,cnt=%d,act=%d)\n",
354 es
->word_break_proc
, debugstr_an(textA
, countA
), index
, countA
, action
);
355 ret
= wbpA(textA
, index
, countA
, action
);
356 HeapFree(GetProcessHeap(), 0, textA
);
360 ret
= EDIT_WordBreakProc(es
->text
+ start
, index
, count
, action
);
365 /*********************************************************************
367 * EDIT_BuildLineDefs_ML
369 * Build linked list of text lines.
370 * Lines can end with '\0' (last line), a character (if it is wrapped),
371 * a soft return '\r\r\n' or a hard return '\r\n'
374 static void EDIT_BuildLineDefs_ML(EDITSTATE
*es
, INT istart
, INT iend
, INT delta
, HRGN hrgn
)
378 LPWSTR current_position
, cp
;
380 LINEDEF
*current_line
;
381 LINEDEF
*previous_line
;
383 INT line_index
= 0, nstart_line
= 0, nstart_index
= 0;
384 INT line_count
= es
->line_count
;
388 if (istart
== iend
&& delta
== 0)
391 dc
= GetDC(es
->hwndSelf
);
393 old_font
= SelectObject(dc
, es
->font
);
395 previous_line
= NULL
;
396 current_line
= es
->first_line_def
;
398 /* Find starting line. istart must lie inside an existing line or
399 * at the end of buffer */
401 if (istart
< current_line
->index
+ current_line
->length
||
402 current_line
->ending
== END_0
)
405 previous_line
= current_line
;
406 current_line
= current_line
->next
;
408 } while (current_line
);
410 if (!current_line
) /* Error occurred start is not inside previous buffer */
412 FIXME(" modification occurred outside buffer\n");
413 ReleaseDC(es
->hwndSelf
, dc
);
417 /* Remember start of modifications in order to calculate update region */
418 nstart_line
= line_index
;
419 nstart_index
= current_line
->index
;
421 /* We must start to reformat from the previous line since the modifications
422 * may have caused the line to wrap upwards. */
423 if (!(es
->style
& ES_AUTOHSCROLL
) && line_index
> 0)
426 current_line
= previous_line
;
428 start_line
= current_line
;
430 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
431 current_position
= es
->text
+ current_line
->index
;
433 if (current_line
!= start_line
)
435 if (!current_line
|| current_line
->index
+ delta
> current_position
- es
->text
)
437 /* The buffer has been expanded, create a new line and
438 insert it into the link list */
439 LINEDEF
*new_line
= HeapAlloc(GetProcessHeap(), 0, sizeof(LINEDEF
));
440 new_line
->next
= previous_line
->next
;
441 previous_line
->next
= new_line
;
442 current_line
= new_line
;
445 else if (current_line
->index
+ delta
< current_position
- es
->text
)
447 /* The previous line merged with this line so we delete this extra entry */
448 previous_line
->next
= current_line
->next
;
449 HeapFree(GetProcessHeap(), 0, current_line
);
450 current_line
= previous_line
->next
;
454 else /* current_line->index + delta == current_position */
456 if (current_position
- es
->text
> iend
)
457 break; /* We reached end of line modifications */
458 /* else recalculate this line */
462 current_line
->index
= current_position
- es
->text
;
463 orig_net_length
= current_line
->net_length
;
465 /* Find end of line */
466 cp
= current_position
;
468 if (*cp
== '\n') break;
469 if ((*cp
== '\r') && (*(cp
+ 1) == '\n'))
474 /* Mark type of line termination */
476 current_line
->ending
= END_0
;
477 current_line
->net_length
= strlenW(current_position
);
478 } else if ((cp
> current_position
) && (*(cp
- 1) == '\r')) {
479 current_line
->ending
= END_SOFT
;
480 current_line
->net_length
= cp
- current_position
- 1;
481 } else if (*cp
== '\n') {
482 current_line
->ending
= END_RICH
;
483 current_line
->net_length
= cp
- current_position
;
485 current_line
->ending
= END_HARD
;
486 current_line
->net_length
= cp
- current_position
;
489 /* Calculate line width */
490 current_line
->width
= (INT
)LOWORD(GetTabbedTextExtentW(dc
,
491 current_position
, current_line
->net_length
,
492 es
->tabs_count
, es
->tabs
));
494 /* FIXME: check here for lines that are too wide even in AUTOHSCROLL (> 32767 ???) */
495 if (!(es
->style
& ES_AUTOHSCROLL
)) {
496 if (current_line
->width
> fw
) {
501 next
= EDIT_CallWordBreakProc(es
, current_position
- es
->text
,
502 prev
+ 1, current_line
->net_length
, WB_RIGHT
);
503 current_line
->width
= (INT
)LOWORD(GetTabbedTextExtentW(dc
,
504 current_position
, next
, es
->tabs_count
, es
->tabs
));
505 } while (current_line
->width
<= fw
);
506 if (!prev
) { /* Didn't find a line break so force a break */
511 current_line
->width
= (INT
)LOWORD(GetTabbedTextExtentW(dc
,
512 current_position
, next
, es
->tabs_count
, es
->tabs
));
513 } while (current_line
->width
<= fw
);
518 /* If the first line we are calculating, wrapped before istart, we must
519 * adjust istart in order for this to be reflected in the update region. */
520 if (current_line
->index
== nstart_index
&& istart
> current_line
->index
+ prev
)
521 istart
= current_line
->index
+ prev
;
522 /* else if we are updating the previous line before the first line we
523 * are re-calculating and it expanded */
524 else if (current_line
== start_line
&&
525 current_line
->index
!= nstart_index
&& orig_net_length
< prev
)
527 /* Line expanded due to an upwards line wrap so we must partially include
528 * previous line in update region */
529 nstart_line
= line_index
;
530 nstart_index
= current_line
->index
;
531 istart
= current_line
->index
+ orig_net_length
;
534 current_line
->net_length
= prev
;
535 current_line
->ending
= END_WRAP
;
536 current_line
->width
= (INT
)LOWORD(GetTabbedTextExtentW(dc
, current_position
,
537 current_line
->net_length
, es
->tabs_count
, es
->tabs
));
539 else if (current_line
== start_line
&&
540 current_line
->index
!= nstart_index
&&
541 orig_net_length
< current_line
->net_length
) {
542 /* The previous line expanded but it's still not as wide as the client rect */
543 /* The expansion is due to an upwards line wrap so we must partially include
544 it in the update region */
545 nstart_line
= line_index
;
546 nstart_index
= current_line
->index
;
547 istart
= current_line
->index
+ orig_net_length
;
552 /* Adjust length to include line termination */
553 switch (current_line
->ending
) {
555 current_line
->length
= current_line
->net_length
+ 3;
558 current_line
->length
= current_line
->net_length
+ 1;
561 current_line
->length
= current_line
->net_length
+ 2;
565 current_line
->length
= current_line
->net_length
;
568 es
->text_width
= max(es
->text_width
, current_line
->width
);
569 current_position
+= current_line
->length
;
570 previous_line
= current_line
;
571 current_line
= current_line
->next
;
573 } while (previous_line
->ending
!= END_0
);
575 /* Finish adjusting line indexes by delta or remove hanging lines */
576 if (previous_line
->ending
== END_0
)
578 LINEDEF
*pnext
= NULL
;
580 previous_line
->next
= NULL
;
583 pnext
= current_line
->next
;
584 HeapFree(GetProcessHeap(), 0, current_line
);
585 current_line
= pnext
;
593 current_line
->index
+= delta
;
594 current_line
= current_line
->next
;
598 /* Calculate rest of modification rectangle */
603 * We calculate two rectangles. One for the first line which may have
604 * an indent with respect to the format rect. The other is a format-width
605 * rectangle that spans the rest of the lines that changed or moved.
607 rc
.top
= es
->format_rect
.top
+ nstart_line
* es
->line_height
-
608 (es
->y_offset
* es
->line_height
); /* Adjust for vertical scrollbar */
609 rc
.bottom
= rc
.top
+ es
->line_height
;
610 if ((es
->style
& ES_CENTER
) || (es
->style
& ES_RIGHT
))
611 rc
.left
= es
->format_rect
.left
;
613 rc
.left
= es
->format_rect
.left
+ (INT
)LOWORD(GetTabbedTextExtentW(dc
,
614 es
->text
+ nstart_index
, istart
- nstart_index
,
615 es
->tabs_count
, es
->tabs
)) - es
->x_offset
; /* Adjust for horz scroll */
616 rc
.right
= es
->format_rect
.right
;
617 SetRectRgn(hrgn
, rc
.left
, rc
.top
, rc
.right
, rc
.bottom
);
620 rc
.left
= es
->format_rect
.left
;
621 rc
.right
= es
->format_rect
.right
;
623 * If lines were added or removed we must re-paint the remainder of the
624 * lines since the remaining lines were either shifted up or down.
626 if (line_count
< es
->line_count
) /* We added lines */
627 rc
.bottom
= es
->line_count
* es
->line_height
;
628 else if (line_count
> es
->line_count
) /* We removed lines */
629 rc
.bottom
= line_count
* es
->line_height
;
631 rc
.bottom
= line_index
* es
->line_height
;
632 rc
.bottom
+= es
->format_rect
.top
;
633 rc
.bottom
-= (es
->y_offset
* es
->line_height
); /* Adjust for vertical scrollbar */
634 tmphrgn
= CreateRectRgn(rc
.left
, rc
.top
, rc
.right
, rc
.bottom
);
635 CombineRgn(hrgn
, hrgn
, tmphrgn
, RGN_OR
);
636 DeleteObject(tmphrgn
);
640 SelectObject(dc
, old_font
);
642 ReleaseDC(es
->hwndSelf
, dc
);
646 static inline UINT
get_text_length(EDITSTATE
*es
)
648 if(es
->text_length
== (UINT
)-1)
649 es
->text_length
= strlenW(es
->text
);
650 return es
->text_length
;
653 /*********************************************************************
655 * EDIT_GetPasswordPointer_SL
657 * note: caller should free the (optionally) allocated buffer
660 static LPWSTR
EDIT_GetPasswordPointer_SL(EDITSTATE
*es
)
662 if (es
->style
& ES_PASSWORD
) {
663 INT len
= get_text_length(es
);
664 LPWSTR text
= HeapAlloc(GetProcessHeap(), 0, (len
+ 1) * sizeof(WCHAR
));
666 while(len
) text
[--len
] = es
->password_char
;
673 /*********************************************************************
675 * EDIT_CalcLineWidth_SL
678 static void EDIT_CalcLineWidth_SL(EDITSTATE
*es
)
685 text
= EDIT_GetPasswordPointer_SL(es
);
687 dc
= GetDC(es
->hwndSelf
);
689 old_font
= SelectObject(dc
, es
->font
);
691 GetTextExtentPoint32W(dc
, text
, strlenW(text
), &size
);
694 SelectObject(dc
, old_font
);
695 ReleaseDC(es
->hwndSelf
, dc
);
697 if (es
->style
& ES_PASSWORD
)
698 HeapFree(GetProcessHeap(), 0, text
);
700 es
->text_width
= size
.cx
;
703 /*********************************************************************
707 * Beware: This is not the function called on EM_CHARFROMPOS
708 * The position _can_ be outside the formatting / client
710 * The return value is only the character index
713 static INT
EDIT_CharFromPos(EDITSTATE
*es
, INT x
, INT y
, LPBOOL after_wrap
)
718 INT x_high
= 0, x_low
= 0;
720 if (es
->style
& ES_MULTILINE
) {
721 INT line
= (y
- es
->format_rect
.top
) / es
->line_height
+ es
->y_offset
;
723 LINEDEF
*line_def
= es
->first_line_def
;
725 while ((line
> 0) && line_def
->next
) {
726 line_index
+= line_def
->length
;
727 line_def
= line_def
->next
;
730 x
+= es
->x_offset
- es
->format_rect
.left
;
731 if (es
->style
& ES_RIGHT
)
732 x
-= (es
->format_rect
.right
- es
->format_rect
.left
) - line_def
->width
;
733 else if (es
->style
& ES_CENTER
)
734 x
-= ((es
->format_rect
.right
- es
->format_rect
.left
) - line_def
->width
) / 2;
735 if (x
>= line_def
->width
) {
737 *after_wrap
= (line_def
->ending
== END_WRAP
);
738 return line_index
+ line_def
->net_length
;
745 dc
= GetDC(es
->hwndSelf
);
747 old_font
= SelectObject(dc
, es
->font
);
749 high
= line_index
+ line_def
->net_length
+ 1;
750 while (low
< high
- 1)
752 INT mid
= (low
+ high
) / 2;
753 INT x_now
= LOWORD(GetTabbedTextExtentW(dc
, es
->text
+ line_index
, mid
- line_index
, es
->tabs_count
, es
->tabs
));
762 if (abs(x_high
- x
) + 1 <= abs(x_low
- x
))
768 *after_wrap
= ((index
== line_index
+ line_def
->net_length
) &&
769 (line_def
->ending
== END_WRAP
));
775 x
-= es
->format_rect
.left
;
781 INT indent
= (es
->format_rect
.right
- es
->format_rect
.left
) - es
->text_width
;
782 if (es
->style
& ES_RIGHT
)
784 else if (es
->style
& ES_CENTER
)
788 text
= EDIT_GetPasswordPointer_SL(es
);
789 dc
= GetDC(es
->hwndSelf
);
791 old_font
= SelectObject(dc
, es
->font
);
795 INT high
= es
->x_offset
;
796 while (low
< high
- 1)
798 INT mid
= (low
+ high
) / 2;
799 GetTextExtentPoint32W( dc
, text
+ mid
,
800 es
->x_offset
- mid
, &size
);
809 if (abs(x_high
+ x
) <= abs(x_low
+ x
) + 1)
816 INT low
= es
->x_offset
;
817 INT high
= get_text_length(es
) + 1;
818 while (low
< high
- 1)
820 INT mid
= (low
+ high
) / 2;
821 GetTextExtentPoint32W( dc
, text
+ es
->x_offset
,
822 mid
- es
->x_offset
, &size
);
831 if (abs(x_high
- x
) <= abs(x_low
- x
) + 1)
836 if (es
->style
& ES_PASSWORD
)
837 HeapFree(GetProcessHeap(), 0, text
);
840 SelectObject(dc
, old_font
);
841 ReleaseDC(es
->hwndSelf
, dc
);
846 /*********************************************************************
850 * adjusts the point to be within the formatting rectangle
851 * (so CharFromPos returns the nearest _visible_ character)
854 static void EDIT_ConfinePoint(const EDITSTATE
*es
, LPINT x
, LPINT y
)
856 *x
= min(max(*x
, es
->format_rect
.left
), es
->format_rect
.right
- 1);
857 *y
= min(max(*y
, es
->format_rect
.top
), es
->format_rect
.bottom
- 1);
861 /*********************************************************************
866 static INT
EDIT_EM_LineFromChar(EDITSTATE
*es
, INT index
)
871 if (!(es
->style
& ES_MULTILINE
))
873 if (index
> (INT
)get_text_length(es
))
874 return es
->line_count
- 1;
876 index
= min(es
->selection_start
, es
->selection_end
);
879 line_def
= es
->first_line_def
;
880 index
-= line_def
->length
;
881 while ((index
>= 0) && line_def
->next
) {
883 line_def
= line_def
->next
;
884 index
-= line_def
->length
;
890 /*********************************************************************
895 static INT
EDIT_EM_LineIndex(const EDITSTATE
*es
, INT line
)
898 const LINEDEF
*line_def
;
900 if (!(es
->style
& ES_MULTILINE
))
902 if (line
>= es
->line_count
)
906 line_def
= es
->first_line_def
;
908 INT index
= es
->selection_end
- line_def
->length
;
909 while ((index
>= 0) && line_def
->next
) {
910 line_index
+= line_def
->length
;
911 line_def
= line_def
->next
;
912 index
-= line_def
->length
;
916 line_index
+= line_def
->length
;
917 line_def
= line_def
->next
;
925 /*********************************************************************
930 static INT
EDIT_EM_LineLength(EDITSTATE
*es
, INT index
)
934 if (!(es
->style
& ES_MULTILINE
))
935 return get_text_length(es
);
938 /* get the number of remaining non-selected chars of selected lines */
939 INT32 l
; /* line number */
940 INT32 li
; /* index of first char in line */
942 l
= EDIT_EM_LineFromChar(es
, es
->selection_start
);
943 /* # chars before start of selection area */
944 count
= es
->selection_start
- EDIT_EM_LineIndex(es
, l
);
945 l
= EDIT_EM_LineFromChar(es
, es
->selection_end
);
946 /* # chars after end of selection */
947 li
= EDIT_EM_LineIndex(es
, l
);
948 count
+= li
+ EDIT_EM_LineLength(es
, li
) - es
->selection_end
;
951 line_def
= es
->first_line_def
;
952 index
-= line_def
->length
;
953 while ((index
>= 0) && line_def
->next
) {
954 line_def
= line_def
->next
;
955 index
-= line_def
->length
;
957 return line_def
->net_length
;
961 /*********************************************************************
966 static LRESULT
EDIT_EM_PosFromChar(EDITSTATE
*es
, INT index
, BOOL after_wrap
)
968 INT len
= get_text_length(es
);
981 index
= min(index
, len
);
982 dc
= GetDC(es
->hwndSelf
);
984 old_font
= SelectObject(dc
, es
->font
);
985 if (es
->style
& ES_MULTILINE
) {
986 l
= EDIT_EM_LineFromChar(es
, index
);
987 y
= (l
- es
->y_offset
) * es
->line_height
;
988 li
= EDIT_EM_LineIndex(es
, l
);
989 if (after_wrap
&& (li
== index
) && l
) {
991 line_def
= es
->first_line_def
;
993 line_def
= line_def
->next
;
996 if (line_def
->ending
== END_WRAP
) {
998 y
-= es
->line_height
;
999 li
= EDIT_EM_LineIndex(es
, l
);
1003 line_def
= es
->first_line_def
;
1004 while (line_def
->index
!= li
)
1005 line_def
= line_def
->next
;
1007 ll
= line_def
->net_length
;
1008 lw
= line_def
->width
;
1010 w
= es
->format_rect
.right
- es
->format_rect
.left
;
1011 if (es
->style
& ES_RIGHT
)
1013 x
= LOWORD(GetTabbedTextExtentW(dc
, es
->text
+ li
+ (index
- li
), ll
- (index
- li
),
1014 es
->tabs_count
, es
->tabs
)) - es
->x_offset
;
1017 else if (es
->style
& ES_CENTER
)
1019 x
= LOWORD(GetTabbedTextExtentW(dc
, es
->text
+ li
, index
- li
,
1020 es
->tabs_count
, es
->tabs
)) - es
->x_offset
;
1025 x
= LOWORD(GetTabbedTextExtentW(dc
, es
->text
+ li
, index
- li
,
1026 es
->tabs_count
, es
->tabs
)) - es
->x_offset
;
1029 LPWSTR text
= EDIT_GetPasswordPointer_SL(es
);
1030 if (index
< es
->x_offset
) {
1031 GetTextExtentPoint32W(dc
, text
+ index
,
1032 es
->x_offset
- index
, &size
);
1035 GetTextExtentPoint32W(dc
, text
+ es
->x_offset
,
1036 index
- es
->x_offset
, &size
);
1039 if (!es
->x_offset
&& (es
->style
& (ES_RIGHT
| ES_CENTER
)))
1041 w
= es
->format_rect
.right
- es
->format_rect
.left
;
1042 if (w
> es
->text_width
)
1044 if (es
->style
& ES_RIGHT
)
1045 x
+= w
- es
->text_width
;
1046 else if (es
->style
& ES_CENTER
)
1047 x
+= (w
- es
->text_width
) / 2;
1052 if (es
->style
& ES_PASSWORD
)
1053 HeapFree(GetProcessHeap(), 0, text
);
1055 x
+= es
->format_rect
.left
;
1056 y
+= es
->format_rect
.top
;
1058 SelectObject(dc
, old_font
);
1059 ReleaseDC(es
->hwndSelf
, dc
);
1060 return MAKELONG((INT16
)x
, (INT16
)y
);
1064 /*********************************************************************
1068 * Calculates the bounding rectangle for a line from a starting
1069 * column to an ending column.
1072 static void EDIT_GetLineRect(EDITSTATE
*es
, INT line
, INT scol
, INT ecol
, LPRECT rc
)
1074 INT line_index
= EDIT_EM_LineIndex(es
, line
);
1076 if (es
->style
& ES_MULTILINE
)
1077 rc
->top
= es
->format_rect
.top
+ (line
- es
->y_offset
) * es
->line_height
;
1079 rc
->top
= es
->format_rect
.top
;
1080 rc
->bottom
= rc
->top
+ es
->line_height
;
1081 rc
->left
= (scol
== 0) ? es
->format_rect
.left
: (short)LOWORD(EDIT_EM_PosFromChar(es
, line_index
+ scol
, TRUE
));
1082 rc
->right
= (ecol
== -1) ? es
->format_rect
.right
: (short)LOWORD(EDIT_EM_PosFromChar(es
, line_index
+ ecol
, TRUE
));
1086 static inline void text_buffer_changed(EDITSTATE
*es
)
1088 es
->text_length
= (UINT
)-1;
1091 /*********************************************************************
1095 static void EDIT_LockBuffer(EDITSTATE
*es
)
1099 if(!es
->hloc32W
) return;
1103 CHAR
*textA
= LocalLock(es
->hloc32A
);
1105 UINT countW_new
= MultiByteToWideChar(CP_ACP
, 0, textA
, -1, NULL
, 0);
1106 if(countW_new
> es
->buffer_size
+ 1)
1108 UINT alloc_size
= ROUND_TO_GROW(countW_new
* sizeof(WCHAR
));
1109 TRACE("Resizing 32-bit UNICODE buffer from %d+1 to %d WCHARs\n", es
->buffer_size
, countW_new
);
1110 hloc32W_new
= LocalReAlloc(es
->hloc32W
, alloc_size
, LMEM_MOVEABLE
| LMEM_ZEROINIT
);
1113 es
->hloc32W
= hloc32W_new
;
1114 es
->buffer_size
= LocalSize(hloc32W_new
)/sizeof(WCHAR
) - 1;
1115 TRACE("Real new size %d+1 WCHARs\n", es
->buffer_size
);
1118 WARN("FAILED! Will synchronize partially\n");
1120 es
->text
= LocalLock(es
->hloc32W
);
1121 MultiByteToWideChar(CP_ACP
, 0, textA
, -1, es
->text
, es
->buffer_size
+ 1);
1122 LocalUnlock(es
->hloc32A
);
1124 else es
->text
= LocalLock(es
->hloc32W
);
1126 if(es
->flags
& EF_APP_HAS_HANDLE
) text_buffer_changed(es
);
1131 /*********************************************************************
1136 static void EDIT_UnlockBuffer(EDITSTATE
*es
, BOOL force
)
1139 /* Edit window might be already destroyed */
1140 if(!IsWindow(es
->hwndSelf
))
1142 WARN("edit hwnd %p already destroyed\n", es
->hwndSelf
);
1146 if (!es
->lock_count
) {
1147 ERR("lock_count == 0 ... please report\n");
1151 ERR("es->text == 0 ... please report\n");
1155 if (force
|| (es
->lock_count
== 1)) {
1158 UINT countW
= get_text_length(es
) + 1;
1162 UINT countA_new
= WideCharToMultiByte(CP_ACP
, 0, es
->text
, countW
, NULL
, 0, NULL
, NULL
);
1163 TRACE("Synchronizing with 32-bit ANSI buffer\n");
1164 TRACE("%d WCHARs translated to %d bytes\n", countW
, countA_new
);
1165 countA
= LocalSize(es
->hloc32A
);
1166 if(countA_new
> countA
)
1169 UINT alloc_size
= ROUND_TO_GROW(countA_new
);
1170 TRACE("Resizing 32-bit ANSI buffer from %d to %d bytes\n", countA
, alloc_size
);
1171 hloc32A_new
= LocalReAlloc(es
->hloc32A
, alloc_size
, LMEM_MOVEABLE
| LMEM_ZEROINIT
);
1174 es
->hloc32A
= hloc32A_new
;
1175 countA
= LocalSize(hloc32A_new
);
1176 TRACE("Real new size %d bytes\n", countA
);
1179 WARN("FAILED! Will synchronize partially\n");
1181 WideCharToMultiByte(CP_ACP
, 0, es
->text
, countW
,
1182 LocalLock(es
->hloc32A
), countA
, NULL
, NULL
);
1183 LocalUnlock(es
->hloc32A
);
1186 LocalUnlock(es
->hloc32W
);
1190 ERR("no buffer ... please report\n");
1198 /*********************************************************************
1202 * Try to fit size + 1 characters in the buffer.
1204 static BOOL
EDIT_MakeFit(EDITSTATE
*es
, UINT size
)
1208 if (size
<= es
->buffer_size
)
1211 TRACE("trying to ReAlloc to %d+1 characters\n", size
);
1213 /* Force edit to unlock it's buffer. es->text now NULL */
1214 EDIT_UnlockBuffer(es
, TRUE
);
1217 UINT alloc_size
= ROUND_TO_GROW((size
+ 1) * sizeof(WCHAR
));
1218 if ((hNew32W
= LocalReAlloc(es
->hloc32W
, alloc_size
, LMEM_MOVEABLE
| LMEM_ZEROINIT
))) {
1219 TRACE("Old 32 bit handle %p, new handle %p\n", es
->hloc32W
, hNew32W
);
1220 es
->hloc32W
= hNew32W
;
1221 es
->buffer_size
= LocalSize(hNew32W
)/sizeof(WCHAR
) - 1;
1225 EDIT_LockBuffer(es
);
1227 if (es
->buffer_size
< size
) {
1228 WARN("FAILED ! We now have %d+1\n", es
->buffer_size
);
1229 EDIT_NOTIFY_PARENT(es
, EN_ERRSPACE
);
1232 TRACE("We now have %d+1\n", es
->buffer_size
);
1238 /*********************************************************************
1242 * Try to fit size + 1 bytes in the undo buffer.
1245 static BOOL
EDIT_MakeUndoFit(EDITSTATE
*es
, UINT size
)
1249 if (size
<= es
->undo_buffer_size
)
1252 TRACE("trying to ReAlloc to %d+1\n", size
);
1254 alloc_size
= ROUND_TO_GROW((size
+ 1) * sizeof(WCHAR
));
1255 if ((es
->undo_text
= HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, es
->undo_text
, alloc_size
))) {
1256 es
->undo_buffer_size
= alloc_size
/sizeof(WCHAR
) - 1;
1261 WARN("FAILED ! We now have %d+1\n", es
->undo_buffer_size
);
1267 /*********************************************************************
1269 * EDIT_UpdateTextRegion
1272 static void EDIT_UpdateTextRegion(EDITSTATE
*es
, HRGN hrgn
, BOOL bErase
)
1274 if (es
->flags
& EF_UPDATE
) {
1275 es
->flags
&= ~EF_UPDATE
;
1276 EDIT_NOTIFY_PARENT(es
, EN_UPDATE
);
1278 InvalidateRgn(es
->hwndSelf
, hrgn
, bErase
);
1282 /*********************************************************************
1287 static void EDIT_UpdateText(EDITSTATE
*es
, const RECT
*rc
, BOOL bErase
)
1289 if (es
->flags
& EF_UPDATE
) {
1290 es
->flags
&= ~EF_UPDATE
;
1291 EDIT_NOTIFY_PARENT(es
, EN_UPDATE
);
1293 InvalidateRect(es
->hwndSelf
, rc
, bErase
);
1296 /*********************************************************************
1298 * EDIT_SL_InvalidateText
1300 * Called from EDIT_InvalidateText().
1301 * Does the job for single-line controls only.
1304 static void EDIT_SL_InvalidateText(EDITSTATE
*es
, INT start
, INT end
)
1309 EDIT_GetLineRect(es
, 0, start
, end
, &line_rect
);
1310 if (IntersectRect(&rc
, &line_rect
, &es
->format_rect
))
1311 EDIT_UpdateText(es
, &rc
, TRUE
);
1315 static inline INT
get_vertical_line_count(EDITSTATE
*es
)
1317 INT vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
1321 /*********************************************************************
1323 * EDIT_ML_InvalidateText
1325 * Called from EDIT_InvalidateText().
1326 * Does the job for multi-line controls only.
1329 static void EDIT_ML_InvalidateText(EDITSTATE
*es
, INT start
, INT end
)
1331 INT vlc
= get_vertical_line_count(es
);
1332 INT sl
= EDIT_EM_LineFromChar(es
, start
);
1333 INT el
= EDIT_EM_LineFromChar(es
, end
);
1342 if ((el
< es
->y_offset
) || (sl
> es
->y_offset
+ vlc
))
1345 sc
= start
- EDIT_EM_LineIndex(es
, sl
);
1346 ec
= end
- EDIT_EM_LineIndex(es
, el
);
1347 if (sl
< es
->y_offset
) {
1351 if (el
> es
->y_offset
+ vlc
) {
1352 el
= es
->y_offset
+ vlc
;
1353 ec
= EDIT_EM_LineLength(es
, EDIT_EM_LineIndex(es
, el
));
1355 GetClientRect(es
->hwndSelf
, &rc1
);
1356 IntersectRect(&rcWnd
, &rc1
, &es
->format_rect
);
1358 EDIT_GetLineRect(es
, sl
, sc
, ec
, &rcLine
);
1359 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1360 EDIT_UpdateText(es
, &rcUpdate
, TRUE
);
1362 EDIT_GetLineRect(es
, sl
, sc
,
1363 EDIT_EM_LineLength(es
,
1364 EDIT_EM_LineIndex(es
, sl
)),
1366 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1367 EDIT_UpdateText(es
, &rcUpdate
, TRUE
);
1368 for (l
= sl
+ 1 ; l
< el
; l
++) {
1369 EDIT_GetLineRect(es
, l
, 0,
1370 EDIT_EM_LineLength(es
,
1371 EDIT_EM_LineIndex(es
, l
)),
1373 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1374 EDIT_UpdateText(es
, &rcUpdate
, TRUE
);
1376 EDIT_GetLineRect(es
, el
, 0, ec
, &rcLine
);
1377 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1378 EDIT_UpdateText(es
, &rcUpdate
, TRUE
);
1383 /*********************************************************************
1385 * EDIT_InvalidateText
1387 * Invalidate the text from offset start up to, but not including,
1388 * offset end. Useful for (re)painting the selection.
1389 * Regions outside the linewidth are not invalidated.
1390 * end == -1 means end == TextLength.
1391 * start and end need not be ordered.
1394 static void EDIT_InvalidateText(EDITSTATE
*es
, INT start
, INT end
)
1400 end
= get_text_length(es
);
1408 if (es
->style
& ES_MULTILINE
)
1409 EDIT_ML_InvalidateText(es
, start
, end
);
1411 EDIT_SL_InvalidateText(es
, start
, end
);
1415 /*********************************************************************
1419 * note: unlike the specs say: the order of start and end
1420 * _is_ preserved in Windows. (i.e. start can be > end)
1421 * In other words: this handler is OK
1424 static void EDIT_EM_SetSel(EDITSTATE
*es
, UINT start
, UINT end
, BOOL after_wrap
)
1426 UINT old_start
= es
->selection_start
;
1427 UINT old_end
= es
->selection_end
;
1428 UINT len
= get_text_length(es
);
1430 if (start
== (UINT
)-1) {
1431 start
= es
->selection_end
;
1432 end
= es
->selection_end
;
1434 start
= min(start
, len
);
1435 end
= min(end
, len
);
1437 es
->selection_start
= start
;
1438 es
->selection_end
= end
;
1440 es
->flags
|= EF_AFTER_WRAP
;
1442 es
->flags
&= ~EF_AFTER_WRAP
;
1443 /* Compute the necessary invalidation region. */
1444 /* Note that we don't need to invalidate regions which have
1445 * "never" been selected, or those which are "still" selected.
1446 * In fact, every time we hit a selection boundary, we can
1447 * *toggle* whether we need to invalidate. Thus we can optimize by
1448 * *sorting* the interval endpoints. Let's assume that we sort them
1450 * start <= end <= old_start <= old_end
1451 * Knuth 5.3.1 (p 183) assures us that this can be done optimally
1452 * in 5 comparisons; i.e. it is impossible to do better than the
1454 ORDER_UINT(end
, old_end
);
1455 ORDER_UINT(start
, old_start
);
1456 ORDER_UINT(old_start
, old_end
);
1457 ORDER_UINT(start
, end
);
1458 /* Note that at this point 'end' and 'old_start' are not in order, but
1459 * start is definitely the min. and old_end is definitely the max. */
1460 if (end
!= old_start
)
1464 * ORDER_UINT32(end, old_start);
1465 * EDIT_InvalidateText(es, start, end);
1466 * EDIT_InvalidateText(es, old_start, old_end);
1467 * in place of the following if statement.
1468 * (That would complete the optimal five-comparison four-element sort.)
1470 if (old_start
> end
)
1472 EDIT_InvalidateText(es
, start
, end
);
1473 EDIT_InvalidateText(es
, old_start
, old_end
);
1477 EDIT_InvalidateText(es
, start
, old_start
);
1478 EDIT_InvalidateText(es
, end
, old_end
);
1481 else EDIT_InvalidateText(es
, start
, old_end
);
1485 /*********************************************************************
1487 * EDIT_UpdateScrollInfo
1490 static void EDIT_UpdateScrollInfo(EDITSTATE
*es
)
1492 if ((es
->style
& WS_VSCROLL
) && !(es
->flags
& EF_VSCROLL_TRACK
))
1495 si
.cbSize
= sizeof(SCROLLINFO
);
1496 si
.fMask
= SIF_PAGE
| SIF_POS
| SIF_RANGE
| SIF_DISABLENOSCROLL
;
1498 si
.nMax
= es
->line_count
- 1;
1499 si
.nPage
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
1500 si
.nPos
= es
->y_offset
;
1501 TRACE("SB_VERT, nMin=%d, nMax=%d, nPage=%d, nPos=%d\n",
1502 si
.nMin
, si
.nMax
, si
.nPage
, si
.nPos
);
1503 SetScrollInfo(es
->hwndSelf
, SB_VERT
, &si
, TRUE
);
1506 if ((es
->style
& WS_HSCROLL
) && !(es
->flags
& EF_HSCROLL_TRACK
))
1509 si
.cbSize
= sizeof(SCROLLINFO
);
1510 si
.fMask
= SIF_PAGE
| SIF_POS
| SIF_RANGE
| SIF_DISABLENOSCROLL
;
1512 si
.nMax
= es
->text_width
- 1;
1513 si
.nPage
= es
->format_rect
.right
- es
->format_rect
.left
;
1514 si
.nPos
= es
->x_offset
;
1515 TRACE("SB_HORZ, nMin=%d, nMax=%d, nPage=%d, nPos=%d\n",
1516 si
.nMin
, si
.nMax
, si
.nPage
, si
.nPos
);
1517 SetScrollInfo(es
->hwndSelf
, SB_HORZ
, &si
, TRUE
);
1522 /*********************************************************************
1524 * EDIT_EM_LineScroll_internal
1526 * Version of EDIT_EM_LineScroll for internal use.
1527 * It doesn't refuse if ES_MULTILINE is set and assumes that
1528 * dx is in pixels, dy - in lines.
1531 static BOOL
EDIT_EM_LineScroll_internal(EDITSTATE
*es
, INT dx
, INT dy
)
1534 INT x_offset_in_pixels
;
1535 INT lines_per_page
= (es
->format_rect
.bottom
- es
->format_rect
.top
) /
1538 if (es
->style
& ES_MULTILINE
)
1540 x_offset_in_pixels
= es
->x_offset
;
1545 x_offset_in_pixels
= (short)LOWORD(EDIT_EM_PosFromChar(es
, es
->x_offset
, FALSE
));
1548 if (-dx
> x_offset_in_pixels
)
1549 dx
= -x_offset_in_pixels
;
1550 if (dx
> es
->text_width
- x_offset_in_pixels
)
1551 dx
= es
->text_width
- x_offset_in_pixels
;
1552 nyoff
= max(0, es
->y_offset
+ dy
);
1553 if (nyoff
>= es
->line_count
- lines_per_page
)
1554 nyoff
= max(0, es
->line_count
- lines_per_page
);
1555 dy
= (es
->y_offset
- nyoff
) * es
->line_height
;
1560 es
->y_offset
= nyoff
;
1561 if(es
->style
& ES_MULTILINE
)
1564 es
->x_offset
+= dx
/ es
->char_width
;
1566 GetClientRect(es
->hwndSelf
, &rc1
);
1567 IntersectRect(&rc
, &rc1
, &es
->format_rect
);
1568 ScrollWindowEx(es
->hwndSelf
, -dx
, dy
,
1569 NULL
, &rc
, NULL
, NULL
, SW_INVALIDATE
);
1570 /* force scroll info update */
1571 EDIT_UpdateScrollInfo(es
);
1573 if (dx
&& !(es
->flags
& EF_HSCROLL_TRACK
))
1574 EDIT_NOTIFY_PARENT(es
, EN_HSCROLL
);
1575 if (dy
&& !(es
->flags
& EF_VSCROLL_TRACK
))
1576 EDIT_NOTIFY_PARENT(es
, EN_VSCROLL
);
1580 /*********************************************************************
1584 * NOTE: dx is in average character widths, dy - in lines;
1587 static BOOL
EDIT_EM_LineScroll(EDITSTATE
*es
, INT dx
, INT dy
)
1589 if (!(es
->style
& ES_MULTILINE
))
1592 dx
*= es
->char_width
;
1593 return EDIT_EM_LineScroll_internal(es
, dx
, dy
);
1597 /*********************************************************************
1602 static LRESULT
EDIT_EM_Scroll(EDITSTATE
*es
, INT action
)
1606 if (!(es
->style
& ES_MULTILINE
))
1607 return (LRESULT
)FALSE
;
1617 if (es
->y_offset
< es
->line_count
- 1)
1622 dy
= -(es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
1625 if (es
->y_offset
< es
->line_count
- 1)
1626 dy
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
1629 return (LRESULT
)FALSE
;
1632 INT vlc
= get_vertical_line_count(es
);
1633 /* check if we are going to move too far */
1634 if(es
->y_offset
+ dy
> es
->line_count
- vlc
)
1635 dy
= max(es
->line_count
- vlc
, 0) - es
->y_offset
;
1637 /* Notification is done in EDIT_EM_LineScroll */
1639 EDIT_EM_LineScroll(es
, 0, dy
);
1640 return MAKELONG(dy
, TRUE
);
1644 return (LRESULT
)FALSE
;
1648 /*********************************************************************
1653 static void EDIT_SetCaretPos(EDITSTATE
*es
, INT pos
,
1656 LRESULT res
= EDIT_EM_PosFromChar(es
, pos
, after_wrap
);
1657 TRACE("%d - %dx%d\n", pos
, (short)LOWORD(res
), (short)HIWORD(res
));
1658 SetCaretPos((short)LOWORD(res
), (short)HIWORD(res
));
1662 /*********************************************************************
1667 static void EDIT_EM_ScrollCaret(EDITSTATE
*es
)
1669 if (es
->style
& ES_MULTILINE
) {
1673 INT cw
= es
->char_width
;
1678 l
= EDIT_EM_LineFromChar(es
, es
->selection_end
);
1679 x
= (short)LOWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
));
1680 vlc
= get_vertical_line_count(es
);
1681 if (l
>= es
->y_offset
+ vlc
)
1682 dy
= l
- vlc
+ 1 - es
->y_offset
;
1683 if (l
< es
->y_offset
)
1684 dy
= l
- es
->y_offset
;
1685 ww
= es
->format_rect
.right
- es
->format_rect
.left
;
1686 if (x
< es
->format_rect
.left
)
1687 dx
= x
- es
->format_rect
.left
- ww
/ HSCROLL_FRACTION
/ cw
* cw
;
1688 if (x
> es
->format_rect
.right
)
1689 dx
= x
- es
->format_rect
.left
- (HSCROLL_FRACTION
- 1) * ww
/ HSCROLL_FRACTION
/ cw
* cw
;
1690 if (dy
|| dx
|| (es
->y_offset
&& (es
->line_count
- es
->y_offset
< vlc
)))
1692 /* check if we are going to move too far */
1693 if(es
->x_offset
+ dx
+ ww
> es
->text_width
)
1694 dx
= es
->text_width
- ww
- es
->x_offset
;
1695 if(dx
|| dy
|| (es
->y_offset
&& (es
->line_count
- es
->y_offset
< vlc
)))
1696 EDIT_EM_LineScroll_internal(es
, dx
, dy
);
1703 x
= (short)LOWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, FALSE
));
1704 format_width
= es
->format_rect
.right
- es
->format_rect
.left
;
1705 if (x
< es
->format_rect
.left
) {
1706 goal
= es
->format_rect
.left
+ format_width
/ HSCROLL_FRACTION
;
1709 x
= (short)LOWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, FALSE
));
1710 } while ((x
< goal
) && es
->x_offset
);
1711 /* FIXME: use ScrollWindow() somehow to improve performance */
1712 EDIT_UpdateText(es
, NULL
, TRUE
);
1713 } else if (x
> es
->format_rect
.right
) {
1715 INT len
= get_text_length(es
);
1716 goal
= es
->format_rect
.right
- format_width
/ HSCROLL_FRACTION
;
1719 x
= (short)LOWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, FALSE
));
1720 x_last
= (short)LOWORD(EDIT_EM_PosFromChar(es
, len
, FALSE
));
1721 } while ((x
> goal
) && (x_last
> es
->format_rect
.right
));
1722 /* FIXME: use ScrollWindow() somehow to improve performance */
1723 EDIT_UpdateText(es
, NULL
, TRUE
);
1727 if(es
->flags
& EF_FOCUSED
)
1728 EDIT_SetCaretPos(es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
);
1732 /*********************************************************************
1737 static void EDIT_MoveBackward(EDITSTATE
*es
, BOOL extend
)
1739 INT e
= es
->selection_end
;
1743 if ((es
->style
& ES_MULTILINE
) && e
&&
1744 (es
->text
[e
- 1] == '\r') && (es
->text
[e
] == '\n')) {
1746 if (e
&& (es
->text
[e
- 1] == '\r'))
1750 EDIT_EM_SetSel(es
, extend
? es
->selection_start
: e
, e
, FALSE
);
1751 EDIT_EM_ScrollCaret(es
);
1755 /*********************************************************************
1759 * Only for multi line controls
1760 * Move the caret one line down, on a column with the nearest
1761 * x coordinate on the screen (might be a different column).
1764 static void EDIT_MoveDown_ML(EDITSTATE
*es
, BOOL extend
)
1766 INT s
= es
->selection_start
;
1767 INT e
= es
->selection_end
;
1768 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
1769 LRESULT pos
= EDIT_EM_PosFromChar(es
, e
, after_wrap
);
1770 INT x
= (short)LOWORD(pos
);
1771 INT y
= (short)HIWORD(pos
);
1773 e
= EDIT_CharFromPos(es
, x
, y
+ es
->line_height
, &after_wrap
);
1776 EDIT_EM_SetSel(es
, s
, e
, after_wrap
);
1777 EDIT_EM_ScrollCaret(es
);
1781 /*********************************************************************
1786 static void EDIT_MoveEnd(EDITSTATE
*es
, BOOL extend
, BOOL ctrl
)
1788 BOOL after_wrap
= FALSE
;
1791 /* Pass a high value in x to make sure of receiving the end of the line */
1792 if (!ctrl
&& (es
->style
& ES_MULTILINE
))
1793 e
= EDIT_CharFromPos(es
, 0x3fffffff,
1794 HIWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
)), &after_wrap
);
1796 e
= get_text_length(es
);
1797 EDIT_EM_SetSel(es
, extend
? es
->selection_start
: e
, e
, after_wrap
);
1798 EDIT_EM_ScrollCaret(es
);
1802 /*********************************************************************
1807 static void EDIT_MoveForward(EDITSTATE
*es
, BOOL extend
)
1809 INT e
= es
->selection_end
;
1813 if ((es
->style
& ES_MULTILINE
) && (es
->text
[e
- 1] == '\r')) {
1814 if (es
->text
[e
] == '\n')
1816 else if ((es
->text
[e
] == '\r') && (es
->text
[e
+ 1] == '\n'))
1820 EDIT_EM_SetSel(es
, extend
? es
->selection_start
: e
, e
, FALSE
);
1821 EDIT_EM_ScrollCaret(es
);
1825 /*********************************************************************
1829 * Home key: move to beginning of line.
1832 static void EDIT_MoveHome(EDITSTATE
*es
, BOOL extend
, BOOL ctrl
)
1836 /* Pass the x_offset in x to make sure of receiving the first position of the line */
1837 if (!ctrl
&& (es
->style
& ES_MULTILINE
))
1838 e
= EDIT_CharFromPos(es
, -es
->x_offset
,
1839 HIWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
)), NULL
);
1842 EDIT_EM_SetSel(es
, extend
? es
->selection_start
: e
, e
, FALSE
);
1843 EDIT_EM_ScrollCaret(es
);
1847 /*********************************************************************
1849 * EDIT_MovePageDown_ML
1851 * Only for multi line controls
1852 * Move the caret one page down, on a column with the nearest
1853 * x coordinate on the screen (might be a different column).
1856 static void EDIT_MovePageDown_ML(EDITSTATE
*es
, BOOL extend
)
1858 INT s
= es
->selection_start
;
1859 INT e
= es
->selection_end
;
1860 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
1861 LRESULT pos
= EDIT_EM_PosFromChar(es
, e
, after_wrap
);
1862 INT x
= (short)LOWORD(pos
);
1863 INT y
= (short)HIWORD(pos
);
1865 e
= EDIT_CharFromPos(es
, x
,
1866 y
+ (es
->format_rect
.bottom
- es
->format_rect
.top
),
1870 EDIT_EM_SetSel(es
, s
, e
, after_wrap
);
1871 EDIT_EM_ScrollCaret(es
);
1875 /*********************************************************************
1877 * EDIT_MovePageUp_ML
1879 * Only for multi line controls
1880 * Move the caret one page up, on a column with the nearest
1881 * x coordinate on the screen (might be a different column).
1884 static void EDIT_MovePageUp_ML(EDITSTATE
*es
, BOOL extend
)
1886 INT s
= es
->selection_start
;
1887 INT e
= es
->selection_end
;
1888 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
1889 LRESULT pos
= EDIT_EM_PosFromChar(es
, e
, after_wrap
);
1890 INT x
= (short)LOWORD(pos
);
1891 INT y
= (short)HIWORD(pos
);
1893 e
= EDIT_CharFromPos(es
, x
,
1894 y
- (es
->format_rect
.bottom
- es
->format_rect
.top
),
1898 EDIT_EM_SetSel(es
, s
, e
, after_wrap
);
1899 EDIT_EM_ScrollCaret(es
);
1903 /*********************************************************************
1907 * Only for multi line controls
1908 * Move the caret one line up, on a column with the nearest
1909 * x coordinate on the screen (might be a different column).
1912 static void EDIT_MoveUp_ML(EDITSTATE
*es
, BOOL extend
)
1914 INT s
= es
->selection_start
;
1915 INT e
= es
->selection_end
;
1916 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
1917 LRESULT pos
= EDIT_EM_PosFromChar(es
, e
, after_wrap
);
1918 INT x
= (short)LOWORD(pos
);
1919 INT y
= (short)HIWORD(pos
);
1921 e
= EDIT_CharFromPos(es
, x
, y
- es
->line_height
, &after_wrap
);
1924 EDIT_EM_SetSel(es
, s
, e
, after_wrap
);
1925 EDIT_EM_ScrollCaret(es
);
1929 /*********************************************************************
1931 * EDIT_MoveWordBackward
1934 static void EDIT_MoveWordBackward(EDITSTATE
*es
, BOOL extend
)
1936 INT s
= es
->selection_start
;
1937 INT e
= es
->selection_end
;
1942 l
= EDIT_EM_LineFromChar(es
, e
);
1943 ll
= EDIT_EM_LineLength(es
, e
);
1944 li
= EDIT_EM_LineIndex(es
, l
);
1947 li
= EDIT_EM_LineIndex(es
, l
- 1);
1948 e
= li
+ EDIT_EM_LineLength(es
, li
);
1951 e
= li
+ EDIT_CallWordBreakProc(es
, li
, e
- li
, ll
, WB_LEFT
);
1955 EDIT_EM_SetSel(es
, s
, e
, FALSE
);
1956 EDIT_EM_ScrollCaret(es
);
1960 /*********************************************************************
1962 * EDIT_MoveWordForward
1965 static void EDIT_MoveWordForward(EDITSTATE
*es
, BOOL extend
)
1967 INT s
= es
->selection_start
;
1968 INT e
= es
->selection_end
;
1973 l
= EDIT_EM_LineFromChar(es
, e
);
1974 ll
= EDIT_EM_LineLength(es
, e
);
1975 li
= EDIT_EM_LineIndex(es
, l
);
1977 if ((es
->style
& ES_MULTILINE
) && (l
!= es
->line_count
- 1))
1978 e
= EDIT_EM_LineIndex(es
, l
+ 1);
1980 e
= li
+ EDIT_CallWordBreakProc(es
,
1981 li
, e
- li
+ 1, ll
, WB_RIGHT
);
1985 EDIT_EM_SetSel(es
, s
, e
, FALSE
);
1986 EDIT_EM_ScrollCaret(es
);
1990 /*********************************************************************
1995 static INT
EDIT_PaintText(EDITSTATE
*es
, HDC dc
, INT x
, INT y
, INT line
, INT col
, INT count
, BOOL rev
)
1999 LOGFONTW underline_font
;
2000 HFONT hUnderline
= 0;
2009 BkMode
= GetBkMode(dc
);
2010 BkColor
= GetBkColor(dc
);
2011 TextColor
= GetTextColor(dc
);
2013 if (es
->composition_len
== 0)
2015 SetBkColor(dc
, GetSysColor(COLOR_HIGHLIGHT
));
2016 SetTextColor(dc
, GetSysColor(COLOR_HIGHLIGHTTEXT
));
2017 SetBkMode( dc
, OPAQUE
);
2021 HFONT current
= GetCurrentObject(dc
,OBJ_FONT
);
2022 GetObjectW(current
,sizeof(LOGFONTW
),&underline_font
);
2023 underline_font
.lfUnderline
= TRUE
;
2024 hUnderline
= CreateFontIndirectW(&underline_font
);
2025 old_font
= SelectObject(dc
,hUnderline
);
2028 li
= EDIT_EM_LineIndex(es
, line
);
2029 if (es
->style
& ES_MULTILINE
) {
2030 ret
= (INT
)LOWORD(TabbedTextOutW(dc
, x
, y
, es
->text
+ li
+ col
, count
,
2031 es
->tabs_count
, es
->tabs
, es
->format_rect
.left
- es
->x_offset
));
2033 LPWSTR text
= EDIT_GetPasswordPointer_SL(es
);
2034 TextOutW(dc
, x
, y
, text
+ li
+ col
, count
);
2035 GetTextExtentPoint32W(dc
, text
+ li
+ col
, count
, &size
);
2037 if (es
->style
& ES_PASSWORD
)
2038 HeapFree(GetProcessHeap(), 0, text
);
2041 if (es
->composition_len
== 0)
2043 SetBkColor(dc
, BkColor
);
2044 SetTextColor(dc
, TextColor
);
2045 SetBkMode( dc
, BkMode
);
2050 SelectObject(dc
,old_font
);
2052 DeleteObject(hUnderline
);
2059 /*********************************************************************
2064 static void EDIT_PaintLine(EDITSTATE
*es
, HDC dc
, INT line
, BOOL rev
)
2066 INT s
= es
->selection_start
;
2067 INT e
= es
->selection_end
;
2074 if (es
->style
& ES_MULTILINE
) {
2075 INT vlc
= get_vertical_line_count(es
);
2077 if ((line
< es
->y_offset
) || (line
> es
->y_offset
+ vlc
) || (line
>= es
->line_count
))
2082 TRACE("line=%d\n", line
);
2084 pos
= EDIT_EM_PosFromChar(es
, EDIT_EM_LineIndex(es
, line
), FALSE
);
2085 x
= (short)LOWORD(pos
);
2086 y
= (short)HIWORD(pos
);
2087 li
= EDIT_EM_LineIndex(es
, line
);
2088 ll
= EDIT_EM_LineLength(es
, li
);
2089 s
= min(es
->selection_start
, es
->selection_end
);
2090 e
= max(es
->selection_start
, es
->selection_end
);
2091 s
= min(li
+ ll
, max(li
, s
));
2092 e
= min(li
+ ll
, max(li
, e
));
2093 if (rev
&& (s
!= e
) &&
2094 ((es
->flags
& EF_FOCUSED
) || (es
->style
& ES_NOHIDESEL
))) {
2095 x
+= EDIT_PaintText(es
, dc
, x
, y
, line
, 0, s
- li
, FALSE
);
2096 x
+= EDIT_PaintText(es
, dc
, x
, y
, line
, s
- li
, e
- s
, TRUE
);
2097 x
+= EDIT_PaintText(es
, dc
, x
, y
, line
, e
- li
, li
+ ll
- e
, FALSE
);
2099 x
+= EDIT_PaintText(es
, dc
, x
, y
, line
, 0, ll
, FALSE
);
2103 /*********************************************************************
2105 * EDIT_AdjustFormatRect
2107 * Adjusts the format rectangle for the current font and the
2108 * current client rectangle.
2111 static void EDIT_AdjustFormatRect(EDITSTATE
*es
)
2115 es
->format_rect
.right
= max(es
->format_rect
.right
, es
->format_rect
.left
+ es
->char_width
);
2116 if (es
->style
& ES_MULTILINE
)
2118 INT fw
, vlc
, max_x_offset
, max_y_offset
;
2120 vlc
= get_vertical_line_count(es
);
2121 es
->format_rect
.bottom
= es
->format_rect
.top
+ vlc
* es
->line_height
;
2123 /* correct es->x_offset */
2124 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
2125 max_x_offset
= es
->text_width
- fw
;
2126 if(max_x_offset
< 0) max_x_offset
= 0;
2127 if(es
->x_offset
> max_x_offset
)
2128 es
->x_offset
= max_x_offset
;
2130 /* correct es->y_offset */
2131 max_y_offset
= es
->line_count
- vlc
;
2132 if(max_y_offset
< 0) max_y_offset
= 0;
2133 if(es
->y_offset
> max_y_offset
)
2134 es
->y_offset
= max_y_offset
;
2136 /* force scroll info update */
2137 EDIT_UpdateScrollInfo(es
);
2140 /* Windows doesn't care to fix text placement for SL controls */
2141 es
->format_rect
.bottom
= es
->format_rect
.top
+ es
->line_height
;
2143 /* Always stay within the client area */
2144 GetClientRect(es
->hwndSelf
, &ClientRect
);
2145 es
->format_rect
.bottom
= min(es
->format_rect
.bottom
, ClientRect
.bottom
);
2147 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_AUTOHSCROLL
))
2148 EDIT_BuildLineDefs_ML(es
, 0, get_text_length(es
), 0, NULL
);
2150 EDIT_SetCaretPos(es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
);
2154 /*********************************************************************
2158 * note: this is not (exactly) the handler called on EM_SETRECTNP
2159 * it is also used to set the rect of a single line control
2162 static void EDIT_SetRectNP(EDITSTATE
*es
, const RECT
*rc
)
2166 ExStyle
= GetWindowLongPtrW(es
->hwndSelf
, GWL_EXSTYLE
);
2168 CopyRect(&es
->format_rect
, rc
);
2170 if (ExStyle
& WS_EX_CLIENTEDGE
) {
2171 es
->format_rect
.left
++;
2172 es
->format_rect
.right
--;
2174 if (es
->format_rect
.bottom
- es
->format_rect
.top
2175 >= es
->line_height
+ 2)
2177 es
->format_rect
.top
++;
2178 es
->format_rect
.bottom
--;
2181 else if (es
->style
& WS_BORDER
) {
2182 bw
= GetSystemMetrics(SM_CXBORDER
) + 1;
2183 bh
= GetSystemMetrics(SM_CYBORDER
) + 1;
2184 es
->format_rect
.left
+= bw
;
2185 es
->format_rect
.right
-= bw
;
2186 if (es
->format_rect
.bottom
- es
->format_rect
.top
2187 >= es
->line_height
+ 2 * bh
)
2189 es
->format_rect
.top
+= bh
;
2190 es
->format_rect
.bottom
-= bh
;
2194 es
->format_rect
.left
+= es
->left_margin
;
2195 es
->format_rect
.right
-= es
->right_margin
;
2196 EDIT_AdjustFormatRect(es
);
2200 /*********************************************************************
2204 * returns line number (not index) in high-order word of result.
2205 * NB : Q137805 is unclear about this. POINT * pointer in lParam apply
2206 * to Richedit, not to the edit control. Original documentation is valid.
2207 * FIXME: do the specs mean to return -1 if outside client area or
2208 * if outside formatting rectangle ???
2211 static LRESULT
EDIT_EM_CharFromPos(EDITSTATE
*es
, INT x
, INT y
)
2219 GetClientRect(es
->hwndSelf
, &rc
);
2220 if (!PtInRect(&rc
, pt
))
2223 index
= EDIT_CharFromPos(es
, x
, y
, NULL
);
2224 return MAKELONG(index
, EDIT_EM_LineFromChar(es
, index
));
2228 /*********************************************************************
2232 * Enable or disable soft breaks.
2234 * This means: insert or remove the soft linebreak character (\r\r\n).
2235 * Take care to check if the text still fits the buffer after insertion.
2236 * If not, notify with EN_ERRSPACE.
2239 static BOOL
EDIT_EM_FmtLines(EDITSTATE
*es
, BOOL add_eol
)
2241 es
->flags
&= ~EF_USE_SOFTBRK
;
2243 es
->flags
|= EF_USE_SOFTBRK
;
2244 FIXME("soft break enabled, not implemented\n");
2250 /*********************************************************************
2254 * Hopefully this won't fire back at us.
2255 * We always start with a fixed buffer in the local heap.
2256 * Despite of the documentation says that the local heap is used
2257 * only if DS_LOCALEDIT flag is set, NT and 2000 always allocate
2258 * buffer on the local heap.
2261 static HLOCAL
EDIT_EM_GetHandle(EDITSTATE
*es
)
2265 if (!(es
->style
& ES_MULTILINE
))
2269 hLocal
= es
->hloc32W
;
2275 UINT countA
, alloc_size
;
2276 TRACE("Allocating 32-bit ANSI alias buffer\n");
2277 countA
= WideCharToMultiByte(CP_ACP
, 0, es
->text
, -1, NULL
, 0, NULL
, NULL
);
2278 alloc_size
= ROUND_TO_GROW(countA
);
2279 if(!(es
->hloc32A
= LocalAlloc(LMEM_MOVEABLE
| LMEM_ZEROINIT
, alloc_size
)))
2281 ERR("Could not allocate %d bytes for 32-bit ANSI alias buffer\n", alloc_size
);
2284 textA
= LocalLock(es
->hloc32A
);
2285 WideCharToMultiByte(CP_ACP
, 0, es
->text
, -1, textA
, countA
, NULL
, NULL
);
2286 LocalUnlock(es
->hloc32A
);
2288 hLocal
= es
->hloc32A
;
2291 es
->flags
|= EF_APP_HAS_HANDLE
;
2292 TRACE("Returning %p, LocalSize() = %ld\n", hLocal
, LocalSize(hLocal
));
2297 /*********************************************************************
2302 static INT
EDIT_EM_GetLine(EDITSTATE
*es
, INT line
, LPWSTR dst
, BOOL unicode
)
2305 INT line_len
, dst_len
;
2308 if (es
->style
& ES_MULTILINE
) {
2309 if (line
>= es
->line_count
)
2313 i
= EDIT_EM_LineIndex(es
, line
);
2315 line_len
= EDIT_EM_LineLength(es
, i
);
2316 dst_len
= *(WORD
*)dst
;
2319 if(dst_len
<= line_len
)
2321 memcpy(dst
, src
, dst_len
* sizeof(WCHAR
));
2324 else /* Append 0 if enough space */
2326 memcpy(dst
, src
, line_len
* sizeof(WCHAR
));
2333 INT ret
= WideCharToMultiByte(CP_ACP
, 0, src
, line_len
, (LPSTR
)dst
, dst_len
, NULL
, NULL
);
2334 if(!ret
&& line_len
) /* Insufficient buffer size */
2336 if(ret
< dst_len
) /* Append 0 if enough space */
2337 ((LPSTR
)dst
)[ret
] = 0;
2343 /*********************************************************************
2348 static LRESULT
EDIT_EM_GetSel(const EDITSTATE
*es
, PUINT start
, PUINT end
)
2350 UINT s
= es
->selection_start
;
2351 UINT e
= es
->selection_end
;
2358 return MAKELONG(s
, e
);
2362 /*********************************************************************
2366 * FIXME: handle ES_NUMBER and ES_OEMCONVERT here
2369 static void EDIT_EM_ReplaceSel(EDITSTATE
*es
, BOOL can_undo
, LPCWSTR lpsz_replace
, BOOL send_update
, BOOL honor_limit
)
2371 UINT strl
= strlenW(lpsz_replace
);
2372 UINT tl
= get_text_length(es
);
2383 TRACE("%s, can_undo %d, send_update %d\n",
2384 debugstr_w(lpsz_replace
), can_undo
, send_update
);
2386 s
= es
->selection_start
;
2387 e
= es
->selection_end
;
2389 if ((s
== e
) && !strl
)
2394 size
= tl
- (e
- s
) + strl
;
2398 /* Issue the EN_MAXTEXT notification and continue with replacing text
2399 * such that buffer limit is honored. */
2400 if ((honor_limit
) && (size
> es
->buffer_limit
)) {
2401 EDIT_NOTIFY_PARENT(es
, EN_MAXTEXT
);
2402 /* Buffer limit can be smaller than the actual length of text in combobox */
2403 if (es
->buffer_limit
< (tl
- (e
-s
)))
2406 strl
= es
->buffer_limit
- (tl
- (e
-s
));
2409 if (!EDIT_MakeFit(es
, tl
- (e
- s
) + strl
))
2413 /* there is something to be deleted */
2414 TRACE("deleting stuff.\n");
2416 buf
= HeapAlloc(GetProcessHeap(), 0, (bufl
+ 1) * sizeof(WCHAR
));
2418 memcpy(buf
, es
->text
+ s
, bufl
* sizeof(WCHAR
));
2419 buf
[bufl
] = 0; /* ensure 0 termination */
2421 strcpyW(es
->text
+ s
, es
->text
+ e
);
2422 text_buffer_changed(es
);
2425 /* there is an insertion */
2426 tl
= get_text_length(es
);
2427 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
));
2428 for (p
= es
->text
+ tl
; p
>= es
->text
+ s
; p
--)
2430 for (i
= 0 , p
= es
->text
+ s
; i
< strl
; i
++)
2431 p
[i
] = lpsz_replace
[i
];
2432 if(es
->style
& ES_UPPERCASE
)
2433 CharUpperBuffW(p
, strl
);
2434 else if(es
->style
& ES_LOWERCASE
)
2435 CharLowerBuffW(p
, strl
);
2436 text_buffer_changed(es
);
2438 if (es
->style
& ES_MULTILINE
)
2440 INT st
= min(es
->selection_start
, es
->selection_end
);
2441 INT vlc
= get_vertical_line_count(es
);
2443 hrgn
= CreateRectRgn(0, 0, 0, 0);
2444 EDIT_BuildLineDefs_ML(es
, st
, st
+ strl
,
2445 strl
- abs(es
->selection_end
- es
->selection_start
), hrgn
);
2446 /* if text is too long undo all changes */
2447 if (honor_limit
&& !(es
->style
& ES_AUTOVSCROLL
) && (es
->line_count
> vlc
)) {
2449 strcpyW(es
->text
+ e
, es
->text
+ e
+ strl
);
2451 for (i
= 0 , p
= es
->text
; i
< e
- s
; i
++)
2453 text_buffer_changed(es
);
2454 EDIT_BuildLineDefs_ML(es
, s
, e
,
2455 abs(es
->selection_end
- es
->selection_start
) - strl
, hrgn
);
2458 hrgn
= CreateRectRgn(0, 0, 0, 0);
2459 EDIT_NOTIFY_PARENT(es
, EN_MAXTEXT
);
2463 INT fw
= es
->format_rect
.right
- es
->format_rect
.left
;
2464 EDIT_CalcLineWidth_SL(es
);
2465 /* remove chars that don't fit */
2466 if (honor_limit
&& !(es
->style
& ES_AUTOHSCROLL
) && (es
->text_width
> fw
)) {
2467 while ((es
->text_width
> fw
) && s
+ strl
>= s
) {
2468 strcpyW(es
->text
+ s
+ strl
- 1, es
->text
+ s
+ strl
);
2470 EDIT_CalcLineWidth_SL(es
);
2472 text_buffer_changed(es
);
2473 EDIT_NOTIFY_PARENT(es
, EN_MAXTEXT
);
2479 utl
= strlenW(es
->undo_text
);
2480 if (!es
->undo_insert_count
&& (*es
->undo_text
&& (s
== es
->undo_position
))) {
2481 /* undo-buffer is extended to the right */
2482 EDIT_MakeUndoFit(es
, utl
+ e
- s
);
2483 memcpy(es
->undo_text
+ utl
, buf
, (e
- s
)*sizeof(WCHAR
));
2484 (es
->undo_text
+ utl
)[e
- s
] = 0; /* ensure 0 termination */
2485 } else if (!es
->undo_insert_count
&& (*es
->undo_text
&& (e
== es
->undo_position
))) {
2486 /* undo-buffer is extended to the left */
2487 EDIT_MakeUndoFit(es
, utl
+ e
- s
);
2488 for (p
= es
->undo_text
+ utl
; p
>= es
->undo_text
; p
--)
2490 for (i
= 0 , p
= es
->undo_text
; i
< e
- s
; i
++)
2492 es
->undo_position
= s
;
2494 /* new undo-buffer */
2495 EDIT_MakeUndoFit(es
, e
- s
);
2496 memcpy(es
->undo_text
, buf
, (e
- s
)*sizeof(WCHAR
));
2497 es
->undo_text
[e
- s
] = 0; /* ensure 0 termination */
2498 es
->undo_position
= s
;
2500 /* any deletion makes the old insertion-undo invalid */
2501 es
->undo_insert_count
= 0;
2503 EDIT_EM_EmptyUndoBuffer(es
);
2507 if ((s
== es
->undo_position
) ||
2508 ((es
->undo_insert_count
) &&
2509 (s
== es
->undo_position
+ es
->undo_insert_count
)))
2511 * insertion is new and at delete position or
2512 * an extension to either left or right
2514 es
->undo_insert_count
+= strl
;
2516 /* new insertion undo */
2517 es
->undo_position
= s
;
2518 es
->undo_insert_count
= strl
;
2519 /* new insertion makes old delete-buffer invalid */
2520 *es
->undo_text
= '\0';
2523 EDIT_EM_EmptyUndoBuffer(es
);
2527 HeapFree(GetProcessHeap(), 0, buf
);
2531 /* If text has been deleted and we're right or center aligned then scroll rightward */
2532 if (es
->style
& (ES_RIGHT
| ES_CENTER
))
2534 INT delta
= strl
- abs(es
->selection_end
- es
->selection_start
);
2536 if (delta
< 0 && es
->x_offset
)
2538 if (abs(delta
) > es
->x_offset
)
2541 es
->x_offset
+= delta
;
2545 EDIT_EM_SetSel(es
, s
, s
, FALSE
);
2546 es
->flags
|= EF_MODIFIED
;
2547 if (send_update
) es
->flags
|= EF_UPDATE
;
2550 EDIT_UpdateTextRegion(es
, hrgn
, TRUE
);
2554 EDIT_UpdateText(es
, NULL
, TRUE
);
2556 EDIT_EM_ScrollCaret(es
);
2558 /* force scroll info update */
2559 EDIT_UpdateScrollInfo(es
);
2562 if(send_update
|| (es
->flags
& EF_UPDATE
))
2564 es
->flags
&= ~EF_UPDATE
;
2565 EDIT_NOTIFY_PARENT(es
, EN_CHANGE
);
2570 /*********************************************************************
2574 * FIXME: ES_LOWERCASE, ES_UPPERCASE, ES_OEMCONVERT, ES_NUMBER ???
2577 static void EDIT_EM_SetHandle(EDITSTATE
*es
, HLOCAL hloc
)
2579 if (!(es
->style
& ES_MULTILINE
))
2583 WARN("called with NULL handle\n");
2587 EDIT_UnlockBuffer(es
, TRUE
);
2593 LocalFree(es
->hloc32A
);
2605 countA
= LocalSize(hloc
);
2606 textA
= LocalLock(hloc
);
2607 countW
= MultiByteToWideChar(CP_ACP
, 0, textA
, countA
, NULL
, 0);
2608 if(!(hloc32W_new
= LocalAlloc(LMEM_MOVEABLE
| LMEM_ZEROINIT
, countW
* sizeof(WCHAR
))))
2610 ERR("Could not allocate new unicode buffer\n");
2613 textW
= LocalLock(hloc32W_new
);
2614 MultiByteToWideChar(CP_ACP
, 0, textA
, countA
, textW
, countW
);
2615 LocalUnlock(hloc32W_new
);
2619 LocalFree(es
->hloc32W
);
2621 es
->hloc32W
= hloc32W_new
;
2625 es
->buffer_size
= LocalSize(es
->hloc32W
)/sizeof(WCHAR
) - 1;
2627 es
->flags
|= EF_APP_HAS_HANDLE
;
2628 EDIT_LockBuffer(es
);
2630 es
->x_offset
= es
->y_offset
= 0;
2631 es
->selection_start
= es
->selection_end
= 0;
2632 EDIT_EM_EmptyUndoBuffer(es
);
2633 es
->flags
&= ~EF_MODIFIED
;
2634 es
->flags
&= ~EF_UPDATE
;
2635 EDIT_BuildLineDefs_ML(es
, 0, get_text_length(es
), 0, NULL
);
2636 EDIT_UpdateText(es
, NULL
, TRUE
);
2637 EDIT_EM_ScrollCaret(es
);
2638 /* force scroll info update */
2639 EDIT_UpdateScrollInfo(es
);
2643 /*********************************************************************
2647 * NOTE: this version currently implements WinNT limits
2650 static void EDIT_EM_SetLimitText(EDITSTATE
*es
, UINT limit
)
2652 if (!limit
) limit
= ~0u;
2653 if (!(es
->style
& ES_MULTILINE
)) limit
= min(limit
, 0x7ffffffe);
2654 es
->buffer_limit
= limit
;
2658 /*********************************************************************
2662 * EC_USEFONTINFO is used as a left or right value i.e. lParam and not as an
2663 * action wParam despite what the docs say. EC_USEFONTINFO calculates the
2664 * margin according to the textmetrics of the current font.
2666 * FIXME - With TrueType or vector fonts EC_USEFONTINFO currently sets one third
2667 * of the char's width as the margin, but this is not how Windows handles this.
2668 * For all other fonts Windows sets the margins to zero.
2670 * FIXME - When EC_USEFONTINFO is used the margins only change if the
2671 * edit control is equal to or larger than a certain size.
2672 * Interestingly if one subtracts both the left and right margins from
2673 * this size one always seems to get an even number. The extents of
2674 * the (four character) string "'**'" match this quite closely, so
2675 * we'll use this until we come up with a better idea.
2677 static int calc_min_set_margin_size(HDC dc
, INT left
, INT right
)
2679 WCHAR magic_string
[] = {'\'','*','*','\'', 0};
2682 GetTextExtentPointW(dc
, magic_string
, sizeof(magic_string
)/sizeof(WCHAR
) - 1, &sz
);
2683 return sz
.cx
+ left
+ right
;
2686 static void EDIT_EM_SetMargins(EDITSTATE
*es
, INT action
,
2687 WORD left
, WORD right
, BOOL repaint
)
2690 INT default_left_margin
= 0; /* in pixels */
2691 INT default_right_margin
= 0; /* in pixels */
2693 /* Set the default margins depending on the font */
2694 if (es
->font
&& (left
== EC_USEFONTINFO
|| right
== EC_USEFONTINFO
)) {
2695 HDC dc
= GetDC(es
->hwndSelf
);
2696 HFONT old_font
= SelectObject(dc
, es
->font
);
2697 GetTextMetricsW(dc
, &tm
);
2698 /* The default margins are only non zero for TrueType or Vector fonts */
2699 if (tm
.tmPitchAndFamily
& ( TMPF_VECTOR
| TMPF_TRUETYPE
)) {
2702 /* This must be calculated more exactly! But how? */
2703 default_left_margin
= tm
.tmAveCharWidth
/ 2;
2704 default_right_margin
= tm
.tmAveCharWidth
/ 2;
2705 min_size
= calc_min_set_margin_size(dc
, default_left_margin
, default_right_margin
);
2706 GetClientRect(es
->hwndSelf
, &rc
);
2707 if(rc
.right
- rc
.left
< min_size
) {
2708 default_left_margin
= es
->left_margin
;
2709 default_right_margin
= es
->right_margin
;
2712 SelectObject(dc
, old_font
);
2713 ReleaseDC(es
->hwndSelf
, dc
);
2716 if (action
& EC_LEFTMARGIN
) {
2717 es
->format_rect
.left
-= es
->left_margin
;
2718 if (left
!= EC_USEFONTINFO
)
2719 es
->left_margin
= left
;
2721 es
->left_margin
= default_left_margin
;
2722 es
->format_rect
.left
+= es
->left_margin
;
2725 if (action
& EC_RIGHTMARGIN
) {
2726 es
->format_rect
.right
+= es
->right_margin
;
2727 if (right
!= EC_USEFONTINFO
)
2728 es
->right_margin
= right
;
2730 es
->right_margin
= default_right_margin
;
2731 es
->format_rect
.right
-= es
->right_margin
;
2734 if (action
& (EC_LEFTMARGIN
| EC_RIGHTMARGIN
)) {
2735 EDIT_AdjustFormatRect(es
);
2736 if (repaint
) EDIT_UpdateText(es
, NULL
, TRUE
);
2739 TRACE("left=%d, right=%d\n", es
->left_margin
, es
->right_margin
);
2743 /*********************************************************************
2745 * EM_SETPASSWORDCHAR
2748 static void EDIT_EM_SetPasswordChar(EDITSTATE
*es
, WCHAR c
)
2752 if (es
->style
& ES_MULTILINE
)
2755 if (es
->password_char
== c
)
2758 style
= GetWindowLongW( es
->hwndSelf
, GWL_STYLE
);
2759 es
->password_char
= c
;
2761 SetWindowLongW( es
->hwndSelf
, GWL_STYLE
, style
| ES_PASSWORD
);
2762 es
->style
|= ES_PASSWORD
;
2764 SetWindowLongW( es
->hwndSelf
, GWL_STYLE
, style
& ~ES_PASSWORD
);
2765 es
->style
&= ~ES_PASSWORD
;
2767 EDIT_UpdateText(es
, NULL
, TRUE
);
2771 /*********************************************************************
2776 static BOOL
EDIT_EM_SetTabStops(EDITSTATE
*es
, INT count
, const INT
*tabs
)
2778 if (!(es
->style
& ES_MULTILINE
))
2780 HeapFree(GetProcessHeap(), 0, es
->tabs
);
2781 es
->tabs_count
= count
;
2785 es
->tabs
= HeapAlloc(GetProcessHeap(), 0, count
* sizeof(INT
));
2786 memcpy(es
->tabs
, tabs
, count
* sizeof(INT
));
2792 /*********************************************************************
2794 * EM_SETWORDBREAKPROC
2797 static void EDIT_EM_SetWordBreakProc(EDITSTATE
*es
, void *wbp
)
2799 if (es
->word_break_proc
== wbp
)
2802 es
->word_break_proc
= wbp
;
2804 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_AUTOHSCROLL
)) {
2805 EDIT_BuildLineDefs_ML(es
, 0, get_text_length(es
), 0, NULL
);
2806 EDIT_UpdateText(es
, NULL
, TRUE
);
2811 /*********************************************************************
2816 static BOOL
EDIT_EM_Undo(EDITSTATE
*es
)
2821 /* As per MSDN spec, for a single-line edit control,
2822 the return value is always TRUE */
2823 if( es
->style
& ES_READONLY
)
2824 return !(es
->style
& ES_MULTILINE
);
2826 ulength
= strlenW(es
->undo_text
);
2828 utext
= HeapAlloc(GetProcessHeap(), 0, (ulength
+ 1) * sizeof(WCHAR
));
2830 strcpyW(utext
, es
->undo_text
);
2832 TRACE("before UNDO:insertion length = %d, deletion buffer = %s\n",
2833 es
->undo_insert_count
, debugstr_w(utext
));
2835 EDIT_EM_SetSel(es
, es
->undo_position
, es
->undo_position
+ es
->undo_insert_count
, FALSE
);
2836 EDIT_EM_EmptyUndoBuffer(es
);
2837 EDIT_EM_ReplaceSel(es
, TRUE
, utext
, TRUE
, TRUE
);
2838 EDIT_EM_SetSel(es
, es
->undo_position
, es
->undo_position
+ es
->undo_insert_count
, FALSE
);
2839 /* send the notification after the selection start and end are set */
2840 EDIT_NOTIFY_PARENT(es
, EN_CHANGE
);
2841 EDIT_EM_ScrollCaret(es
);
2842 HeapFree(GetProcessHeap(), 0, utext
);
2844 TRACE("after UNDO:insertion length = %d, deletion buffer = %s\n",
2845 es
->undo_insert_count
, debugstr_w(es
->undo_text
));
2850 /* Helper function for WM_CHAR
2852 * According to an MSDN blog article titled "Just because you're a control
2853 * doesn't mean that you're necessarily inside a dialog box," multiline edit
2854 * controls without ES_WANTRETURN would attempt to detect whether it is inside
2855 * a dialog box or not.
2857 static inline BOOL
EDIT_IsInsideDialog(EDITSTATE
*es
)
2859 return (es
->flags
& EF_DIALOGMODE
);
2863 /*********************************************************************
2868 static void EDIT_WM_Paste(EDITSTATE
*es
)
2873 /* Protect read-only edit control from modification */
2874 if(es
->style
& ES_READONLY
)
2877 OpenClipboard(es
->hwndSelf
);
2878 if ((hsrc
= GetClipboardData(CF_UNICODETEXT
))) {
2879 src
= GlobalLock(hsrc
);
2880 EDIT_EM_ReplaceSel(es
, TRUE
, src
, TRUE
, TRUE
);
2883 else if (es
->style
& ES_PASSWORD
) {
2884 /* clear selected text in password edit box even with empty clipboard */
2885 EDIT_EM_ReplaceSel(es
, TRUE
, empty_stringW
, TRUE
, TRUE
);
2891 /*********************************************************************
2896 static void EDIT_WM_Copy(EDITSTATE
*es
)
2898 INT s
= min(es
->selection_start
, es
->selection_end
);
2899 INT e
= max(es
->selection_start
, es
->selection_end
);
2907 hdst
= GlobalAlloc(GMEM_MOVEABLE
| GMEM_DDESHARE
, (len
+ 1) * sizeof(WCHAR
));
2908 dst
= GlobalLock(hdst
);
2909 memcpy(dst
, es
->text
+ s
, len
* sizeof(WCHAR
));
2910 dst
[len
] = 0; /* ensure 0 termination */
2911 TRACE("%s\n", debugstr_w(dst
));
2913 OpenClipboard(es
->hwndSelf
);
2915 SetClipboardData(CF_UNICODETEXT
, hdst
);
2920 /*********************************************************************
2925 static inline void EDIT_WM_Clear(EDITSTATE
*es
)
2927 /* Protect read-only edit control from modification */
2928 if(es
->style
& ES_READONLY
)
2931 EDIT_EM_ReplaceSel(es
, TRUE
, empty_stringW
, TRUE
, TRUE
);
2935 /*********************************************************************
2940 static inline void EDIT_WM_Cut(EDITSTATE
*es
)
2947 /*********************************************************************
2952 static LRESULT
EDIT_WM_Char(EDITSTATE
*es
, WCHAR c
)
2956 control
= GetKeyState(VK_CONTROL
) & 0x8000;
2960 /* If it's not a multiline edit box, it would be ignored below.
2961 * For multiline edit without ES_WANTRETURN, we have to make a
2964 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_WANTRETURN
))
2965 if (EDIT_IsInsideDialog(es
))
2968 if (es
->style
& ES_MULTILINE
) {
2969 if (es
->style
& ES_READONLY
) {
2970 EDIT_MoveHome(es
, FALSE
, FALSE
);
2971 EDIT_MoveDown_ML(es
, FALSE
);
2973 static const WCHAR cr_lfW
[] = {'\r','\n',0};
2974 EDIT_EM_ReplaceSel(es
, TRUE
, cr_lfW
, TRUE
, TRUE
);
2979 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_READONLY
))
2981 static const WCHAR tabW
[] = {'\t',0};
2982 if (EDIT_IsInsideDialog(es
))
2984 EDIT_EM_ReplaceSel(es
, TRUE
, tabW
, TRUE
, TRUE
);
2988 if (!(es
->style
& ES_READONLY
) && !control
) {
2989 if (es
->selection_start
!= es
->selection_end
)
2992 /* delete character left of caret */
2993 EDIT_EM_SetSel(es
, (UINT
)-1, 0, FALSE
);
2994 EDIT_MoveBackward(es
, TRUE
);
3000 if (!(es
->style
& ES_PASSWORD
))
3001 SendMessageW(es
->hwndSelf
, WM_COPY
, 0, 0);
3004 if (!(es
->style
& ES_READONLY
))
3005 SendMessageW(es
->hwndSelf
, WM_PASTE
, 0, 0);
3008 if (!((es
->style
& ES_READONLY
) || (es
->style
& ES_PASSWORD
)))
3009 SendMessageW(es
->hwndSelf
, WM_CUT
, 0, 0);
3012 if (!(es
->style
& ES_READONLY
))
3013 SendMessageW(es
->hwndSelf
, WM_UNDO
, 0, 0);
3017 /*If Edit control style is ES_NUMBER allow users to key in only numeric values*/
3018 if( (es
->style
& ES_NUMBER
) && !( c
>= '0' && c
<= '9') )
3021 if (!(es
->style
& ES_READONLY
) && (c
>= ' ') && (c
!= 127)) {
3025 EDIT_EM_ReplaceSel(es
, TRUE
, str
, TRUE
, TRUE
);
3033 /*********************************************************************
3038 static void EDIT_WM_Command(EDITSTATE
*es
, INT code
, INT id
, HWND control
)
3040 if (code
|| control
)
3045 SendMessageW(es
->hwndSelf
, WM_UNDO
, 0, 0);
3048 SendMessageW(es
->hwndSelf
, WM_CUT
, 0, 0);
3051 SendMessageW(es
->hwndSelf
, WM_COPY
, 0, 0);
3054 SendMessageW(es
->hwndSelf
, WM_PASTE
, 0, 0);
3057 SendMessageW(es
->hwndSelf
, WM_CLEAR
, 0, 0);
3060 EDIT_EM_SetSel(es
, 0, (UINT
)-1, FALSE
);
3061 EDIT_EM_ScrollCaret(es
);
3064 ERR("unknown menu item, please report\n");
3070 /*********************************************************************
3074 * Note: the resource files resource/sysres_??.rc cannot define a
3075 * single popup menu. Hence we use a (dummy) menubar
3076 * containing the single popup menu as its first item.
3078 * FIXME: the message identifiers have been chosen arbitrarily,
3079 * hence we use MF_BYPOSITION.
3080 * We might as well use the "real" values (anybody knows ?)
3081 * The menu definition is in resources/sysres_??.rc.
3082 * Once these are OK, we better use MF_BYCOMMAND here
3083 * (as we do in EDIT_WM_Command()).
3086 static void EDIT_WM_ContextMenu(EDITSTATE
*es
, INT x
, INT y
)
3088 HMENU menu
= LoadMenuA(user32_module
, "EDITMENU");
3089 HMENU popup
= GetSubMenu(menu
, 0);
3090 UINT start
= es
->selection_start
;
3091 UINT end
= es
->selection_end
;
3093 ORDER_UINT(start
, end
);
3096 EnableMenuItem(popup
, 0, MF_BYPOSITION
| (EDIT_EM_CanUndo(es
) && !(es
->style
& ES_READONLY
) ? MF_ENABLED
: MF_GRAYED
));
3098 EnableMenuItem(popup
, 2, MF_BYPOSITION
| ((end
- start
) && !(es
->style
& ES_PASSWORD
) && !(es
->style
& ES_READONLY
) ? MF_ENABLED
: MF_GRAYED
));
3100 EnableMenuItem(popup
, 3, MF_BYPOSITION
| ((end
- start
) && !(es
->style
& ES_PASSWORD
) ? MF_ENABLED
: MF_GRAYED
));
3102 EnableMenuItem(popup
, 4, MF_BYPOSITION
| (IsClipboardFormatAvailable(CF_UNICODETEXT
) && !(es
->style
& ES_READONLY
) ? MF_ENABLED
: MF_GRAYED
));
3104 EnableMenuItem(popup
, 5, MF_BYPOSITION
| ((end
- start
) && !(es
->style
& ES_READONLY
) ? MF_ENABLED
: MF_GRAYED
));
3106 EnableMenuItem(popup
, 7, MF_BYPOSITION
| (start
|| (end
!= get_text_length(es
)) ? MF_ENABLED
: MF_GRAYED
));
3108 if (x
== -1 && y
== -1) /* passed via VK_APPS press/release */
3111 /* Windows places the menu at the edit's center in this case */
3112 GetClientRect(es
->hwndSelf
, &rc
);
3113 MapWindowPoints(es
->hwndSelf
, 0, (POINT
*)&rc
, 2);
3114 x
= rc
.left
+ (rc
.right
- rc
.left
) / 2;
3115 y
= rc
.top
+ (rc
.bottom
- rc
.top
) / 2;
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
);
4324 /*********************************************************************
4329 static LRESULT
EDIT_WM_Create(EDITSTATE
*es
, LPCWSTR name
)
4333 TRACE("%s\n", debugstr_w(name
));
4335 * To initialize some final structure members, we call some helper
4336 * functions. However, since the EDITSTATE is not consistent (i.e.
4337 * not fully initialized), we should be very careful which
4338 * functions can be called, and in what order.
4340 EDIT_WM_SetFont(es
, 0, FALSE
);
4341 EDIT_EM_EmptyUndoBuffer(es
);
4343 /* We need to calculate the format rect
4344 (applications may send EM_SETMARGINS before the control gets visible) */
4345 GetClientRect(es
->hwndSelf
, &clientRect
);
4346 EDIT_SetRectNP(es
, &clientRect
);
4348 if (name
&& *name
) {
4349 EDIT_EM_ReplaceSel(es
, FALSE
, name
, FALSE
, FALSE
);
4350 /* if we insert text to the editline, the text scrolls out
4351 * of the window, as the caret is placed after the insert
4352 * pos normally; thus we reset es->selection... to 0 and
4355 es
->selection_start
= es
->selection_end
= 0;
4356 /* Adobe Photoshop does NOT like this. and MSDN says that EN_CHANGE
4357 * Messages are only to be sent when the USER does something to
4358 * change the contents. So I am removing this EN_CHANGE
4360 * EDIT_NOTIFY_PARENT(es, EN_CHANGE);
4362 EDIT_EM_ScrollCaret(es
);
4364 /* force scroll info update */
4365 EDIT_UpdateScrollInfo(es
);
4366 /* The rule seems to return 1 here for success */
4367 /* Power Builder masked edit controls will crash */
4369 /* FIXME: is that in all cases so ? */
4374 /*********************************************************************
4379 static LRESULT
EDIT_WM_NCDestroy(EDITSTATE
*es
)
4384 LocalFree(es
->hloc32W
);
4387 LocalFree(es
->hloc32A
);
4389 pc
= es
->first_line_def
;
4393 HeapFree(GetProcessHeap(), 0, pc
);
4397 SetWindowLongPtrW( es
->hwndSelf
, 0, 0 );
4398 HeapFree(GetProcessHeap(), 0, es
->undo_text
);
4399 HeapFree(GetProcessHeap(), 0, es
);
4405 static inline LRESULT
DefWindowProcT(HWND hwnd
, UINT msg
, WPARAM wParam
, LPARAM lParam
, BOOL unicode
)
4408 return DefWindowProcW(hwnd
, msg
, wParam
, lParam
);
4410 return DefWindowProcA(hwnd
, msg
, wParam
, lParam
);
4413 /*********************************************************************
4415 * EditWndProc_common
4417 * The messages are in the order of the actual integer values
4418 * (which can be found in include/windows.h)
4420 LRESULT
EditWndProc_common( HWND hwnd
, UINT msg
, WPARAM wParam
, LPARAM lParam
, BOOL unicode
)
4422 EDITSTATE
*es
= (EDITSTATE
*)GetWindowLongPtrW( hwnd
, 0 );
4425 TRACE("hwnd=%p msg=%x (%s) wparam=%lx lparam=%lx\n", hwnd
, msg
, SPY_GetMsgName(msg
, hwnd
), wParam
, lParam
);
4427 if (!es
&& msg
!= WM_NCCREATE
)
4428 return DefWindowProcT(hwnd
, msg
, wParam
, lParam
, unicode
);
4430 if (es
&& (msg
!= WM_NCDESTROY
)) EDIT_LockBuffer(es
);
4434 result
= EDIT_EM_GetSel(es
, (PUINT
)wParam
, (PUINT
)lParam
);
4438 EDIT_EM_SetSel(es
, wParam
, lParam
, FALSE
);
4439 EDIT_EM_ScrollCaret(es
);
4445 CopyRect((LPRECT
)lParam
, &es
->format_rect
);
4449 if ((es
->style
& ES_MULTILINE
) && lParam
) {
4450 EDIT_SetRectNP(es
, (LPRECT
)lParam
);
4451 EDIT_UpdateText(es
, NULL
, TRUE
);
4456 if ((es
->style
& ES_MULTILINE
) && lParam
)
4457 EDIT_SetRectNP(es
, (LPRECT
)lParam
);
4461 result
= EDIT_EM_Scroll(es
, (INT
)wParam
);
4465 result
= (LRESULT
)EDIT_EM_LineScroll(es
, (INT
)wParam
, (INT
)lParam
);
4468 case EM_SCROLLCARET
:
4469 EDIT_EM_ScrollCaret(es
);
4474 result
= ((es
->flags
& EF_MODIFIED
) != 0);
4479 es
->flags
|= EF_MODIFIED
;
4481 es
->flags
&= ~(EF_MODIFIED
| EF_UPDATE
); /* reset pending updates */
4484 case EM_GETLINECOUNT
:
4485 result
= (es
->style
& ES_MULTILINE
) ? es
->line_count
: 1;
4489 result
= (LRESULT
)EDIT_EM_LineIndex(es
, (INT
)wParam
);
4493 EDIT_EM_SetHandle(es
, (HLOCAL
)wParam
);
4497 result
= (LRESULT
)EDIT_EM_GetHandle(es
);
4501 result
= EDIT_EM_GetThumb(es
);
4504 /* these messages missing from specs */
4509 FIXME("undocumented message 0x%x, please report\n", msg
);
4510 result
= DefWindowProcW(hwnd
, msg
, wParam
, lParam
);
4514 result
= (LRESULT
)EDIT_EM_LineLength(es
, (INT
)wParam
);
4522 textW
= (LPWSTR
)lParam
;
4525 LPSTR textA
= (LPSTR
)lParam
;
4526 INT countW
= MultiByteToWideChar(CP_ACP
, 0, textA
, -1, NULL
, 0);
4527 if (!(textW
= HeapAlloc(GetProcessHeap(), 0, countW
* sizeof(WCHAR
)))) break;
4528 MultiByteToWideChar(CP_ACP
, 0, textA
, -1, textW
, countW
);
4531 EDIT_EM_ReplaceSel(es
, (BOOL
)wParam
, textW
, TRUE
, TRUE
);
4535 HeapFree(GetProcessHeap(), 0, textW
);
4540 result
= (LRESULT
)EDIT_EM_GetLine(es
, (INT
)wParam
, (LPWSTR
)lParam
, unicode
);
4543 case EM_SETLIMITTEXT
:
4544 EDIT_EM_SetLimitText(es
, wParam
);
4548 result
= (LRESULT
)EDIT_EM_CanUndo(es
);
4553 result
= (LRESULT
)EDIT_EM_Undo(es
);
4557 result
= (LRESULT
)EDIT_EM_FmtLines(es
, (BOOL
)wParam
);
4560 case EM_LINEFROMCHAR
:
4561 result
= (LRESULT
)EDIT_EM_LineFromChar(es
, (INT
)wParam
);
4564 case EM_SETTABSTOPS
:
4565 result
= (LRESULT
)EDIT_EM_SetTabStops(es
, (INT
)wParam
, (LPINT
)lParam
);
4568 case EM_SETPASSWORDCHAR
:
4573 charW
= (WCHAR
)wParam
;
4576 CHAR charA
= wParam
;
4577 MultiByteToWideChar(CP_ACP
, 0, &charA
, 1, &charW
, 1);
4580 EDIT_EM_SetPasswordChar(es
, charW
);
4584 case EM_EMPTYUNDOBUFFER
:
4585 EDIT_EM_EmptyUndoBuffer(es
);
4588 case EM_GETFIRSTVISIBLELINE
:
4589 result
= (es
->style
& ES_MULTILINE
) ? es
->y_offset
: es
->x_offset
;
4592 case EM_SETREADONLY
:
4594 DWORD old_style
= es
->style
;
4597 SetWindowLongW( hwnd
, GWL_STYLE
,
4598 GetWindowLongW( hwnd
, GWL_STYLE
) | ES_READONLY
);
4599 es
->style
|= ES_READONLY
;
4601 SetWindowLongW( hwnd
, GWL_STYLE
,
4602 GetWindowLongW( hwnd
, GWL_STYLE
) & ~ES_READONLY
);
4603 es
->style
&= ~ES_READONLY
;
4606 if (old_style
^ es
->style
)
4607 InvalidateRect(es
->hwndSelf
, NULL
, TRUE
);
4613 case EM_SETWORDBREAKPROC
:
4614 EDIT_EM_SetWordBreakProc(es
, (void *)lParam
);
4617 case EM_GETWORDBREAKPROC
:
4618 result
= (LRESULT
)es
->word_break_proc
;
4621 case EM_GETPASSWORDCHAR
:
4624 result
= es
->password_char
;
4627 WCHAR charW
= es
->password_char
;
4629 WideCharToMultiByte(CP_ACP
, 0, &charW
, 1, &charA
, 1, NULL
, NULL
);
4636 EDIT_EM_SetMargins(es
, (INT
)wParam
, LOWORD(lParam
), HIWORD(lParam
), TRUE
);
4640 result
= MAKELONG(es
->left_margin
, es
->right_margin
);
4643 case EM_GETLIMITTEXT
:
4644 result
= es
->buffer_limit
;
4647 case EM_POSFROMCHAR
:
4648 if ((INT
)wParam
>= get_text_length(es
)) result
= -1;
4649 else result
= EDIT_EM_PosFromChar(es
, (INT
)wParam
, FALSE
);
4652 case EM_CHARFROMPOS
:
4653 result
= EDIT_EM_CharFromPos(es
, (short)LOWORD(lParam
), (short)HIWORD(lParam
));
4656 /* End of the EM_ messages which were in numerical order; what order
4657 * are these in? vaguely alphabetical?
4661 result
= EDIT_WM_NCCreate(hwnd
, (LPCREATESTRUCTW
)lParam
, unicode
);
4665 result
= EDIT_WM_NCDestroy(es
);
4670 result
= DLGC_HASSETSEL
| DLGC_WANTCHARS
| DLGC_WANTARROWS
;
4672 if (es
->style
& ES_MULTILINE
)
4673 result
|= DLGC_WANTALLKEYS
;
4677 es
->flags
|=EF_DIALOGMODE
;
4679 if (((LPMSG
)lParam
)->message
== WM_KEYDOWN
)
4681 int vk
= (int)((LPMSG
)lParam
)->wParam
;
4683 if (es
->hwndListBox
)
4685 if (vk
== VK_RETURN
|| vk
== VK_ESCAPE
)
4686 if (SendMessageW(GetParent(hwnd
), CB_GETDROPPEDSTATE
, 0, 0))
4687 result
|= DLGC_WANTMESSAGE
;
4699 strng
[0] = wParam
>> 8;
4700 strng
[1] = wParam
& 0xff;
4701 if (strng
[0]) MultiByteToWideChar(CP_ACP
, 0, strng
, 2, &charW
, 1);
4702 else MultiByteToWideChar(CP_ACP
, 0, &strng
[1], 1, &charW
, 1);
4703 result
= EDIT_WM_Char(es
, charW
);
4715 CHAR charA
= wParam
;
4716 MultiByteToWideChar(CP_ACP
, 0, &charA
, 1, &charW
, 1);
4719 if (es
->hwndListBox
)
4721 if (charW
== VK_RETURN
|| charW
== VK_ESCAPE
)
4723 if (SendMessageW(GetParent(hwnd
), CB_GETDROPPEDSTATE
, 0, 0))
4724 SendMessageW(GetParent(hwnd
), WM_KEYDOWN
, charW
, 0);
4728 result
= EDIT_WM_Char(es
, charW
);
4735 if (wParam
== UNICODE_NOCHAR
) return TRUE
;
4736 if (wParam
<= 0x000fffff)
4738 if(wParam
> 0xffff) /* convert to surrogates */
4741 EDIT_WM_Char(es
, (wParam
>> 10) + 0xd800);
4742 EDIT_WM_Char(es
, (wParam
& 0x03ff) + 0xdc00);
4744 else EDIT_WM_Char(es
, wParam
);
4755 EDIT_WM_Command(es
, HIWORD(wParam
), LOWORD(wParam
), (HWND
)lParam
);
4758 case WM_CONTEXTMENU
:
4759 EDIT_WM_ContextMenu(es
, (short)LOWORD(lParam
), (short)HIWORD(lParam
));
4768 result
= EDIT_WM_Create(es
, ((LPCREATESTRUCTW
)lParam
)->lpszName
);
4771 LPCSTR nameA
= ((LPCREATESTRUCTA
)lParam
)->lpszName
;
4772 LPWSTR nameW
= NULL
;
4775 INT countW
= MultiByteToWideChar(CP_ACP
, 0, nameA
, -1, NULL
, 0);
4776 if((nameW
= HeapAlloc(GetProcessHeap(), 0, countW
* sizeof(WCHAR
))))
4777 MultiByteToWideChar(CP_ACP
, 0, nameA
, -1, nameW
, countW
);
4779 result
= EDIT_WM_Create(es
, nameW
);
4780 HeapFree(GetProcessHeap(), 0, nameW
);
4789 es
->bEnableState
= (BOOL
) wParam
;
4790 EDIT_UpdateText(es
, NULL
, TRUE
);
4794 /* we do the proper erase in EDIT_WM_Paint */
4799 result
= (LRESULT
)es
->font
;
4803 result
= (LRESULT
)EDIT_WM_GetText(es
, (INT
)wParam
, (LPWSTR
)lParam
, unicode
);
4806 case WM_GETTEXTLENGTH
:
4807 if (unicode
) result
= get_text_length(es
);
4808 else result
= WideCharToMultiByte( CP_ACP
, 0, es
->text
, get_text_length(es
),
4809 NULL
, 0, NULL
, NULL
);
4813 result
= EDIT_WM_HScroll(es
, LOWORD(wParam
), (short)HIWORD(wParam
));
4817 result
= EDIT_WM_KeyDown(es
, (INT
)wParam
);
4821 result
= EDIT_WM_KillFocus(es
);
4824 case WM_LBUTTONDBLCLK
:
4825 result
= EDIT_WM_LButtonDblClk(es
);
4828 case WM_LBUTTONDOWN
:
4829 result
= EDIT_WM_LButtonDown(es
, wParam
, (short)LOWORD(lParam
), (short)HIWORD(lParam
));
4833 result
= EDIT_WM_LButtonUp(es
);
4836 case WM_MBUTTONDOWN
:
4837 result
= EDIT_WM_MButtonDown(es
);
4841 result
= EDIT_WM_MouseMove(es
, (short)LOWORD(lParam
), (short)HIWORD(lParam
));
4844 case WM_PRINTCLIENT
:
4846 EDIT_WM_Paint(es
, (HDC
)wParam
);
4854 EDIT_WM_SetFocus(es
);
4858 EDIT_WM_SetFont(es
, (HFONT
)wParam
, LOWORD(lParam
) != 0);
4862 /* FIXME: actually set an internal flag and behave accordingly */
4866 EDIT_WM_SetText(es
, (LPCWSTR
)lParam
, unicode
);
4871 EDIT_WM_Size(es
, (UINT
)wParam
, LOWORD(lParam
), HIWORD(lParam
));
4874 case WM_STYLECHANGED
:
4875 result
= EDIT_WM_StyleChanged(es
, wParam
, (const STYLESTRUCT
*)lParam
);
4878 case WM_STYLECHANGING
:
4879 result
= 0; /* See EDIT_WM_StyleChanged */
4883 result
= EDIT_WM_SysKeyDown(es
, (INT
)wParam
, (DWORD
)lParam
);
4891 result
= EDIT_WM_VScroll(es
, LOWORD(wParam
), (short)HIWORD(wParam
));
4896 int gcWheelDelta
= 0;
4897 UINT pulScrollLines
= 3;
4898 SystemParametersInfoW(SPI_GETWHEELSCROLLLINES
,0, &pulScrollLines
, 0);
4900 if (wParam
& (MK_SHIFT
| MK_CONTROL
)) {
4901 result
= DefWindowProcW(hwnd
, msg
, wParam
, lParam
);
4904 gcWheelDelta
-= GET_WHEEL_DELTA_WPARAM(wParam
);
4905 if (abs(gcWheelDelta
) >= WHEEL_DELTA
&& pulScrollLines
)
4907 int cLineScroll
= (int) min((UINT
) es
->line_count
, pulScrollLines
);
4908 cLineScroll
*= (gcWheelDelta
/ WHEEL_DELTA
);
4909 result
= EDIT_EM_LineScroll(es
, 0, cLineScroll
);
4915 /* IME messages to make the edit control IME aware */
4916 case WM_IME_SETCONTEXT
:
4919 case WM_IME_STARTCOMPOSITION
:
4920 es
->composition_start
= es
->selection_end
;
4921 es
->composition_len
= 0;
4924 case WM_IME_COMPOSITION
:
4925 EDIT_ImeComposition(hwnd
, lParam
, es
);
4928 case WM_IME_ENDCOMPOSITION
:
4929 if (es
->composition_len
> 0)
4931 EDIT_EM_ReplaceSel(es
, TRUE
, empty_stringW
, TRUE
, TRUE
);
4932 es
->selection_end
= es
->selection_start
;
4933 es
->composition_len
= 0;
4937 case WM_IME_COMPOSITIONFULL
:
4943 case WM_IME_CONTROL
:
4947 result
= DefWindowProcT(hwnd
, msg
, wParam
, lParam
, unicode
);
4951 if (IsWindow(hwnd
) && es
) EDIT_UnlockBuffer(es
, FALSE
);
4953 TRACE("hwnd=%p msg=%x (%s) -- 0x%08lx\n", hwnd
, msg
, SPY_GetMsgName(msg
, hwnd
), result
);
4959 /*********************************************************************
4960 * edit class descriptor
4962 static const WCHAR editW
[] = {'E','d','i','t',0};
4963 const struct builtin_class_descr EDIT_builtin_class
=
4966 CS_DBLCLKS
| CS_PARENTDC
, /* style */
4967 WINPROC_EDIT
, /* proc */
4969 sizeof(EDITSTATE
*) + sizeof(WORD
), /* extra */
4971 sizeof(EDITSTATE
*), /* extra */
4973 IDC_IBEAM
, /* cursor */