4 * Copyright David W. Metcalfe, 1994
5 * Copyright William Magro, 1995, 1996
6 * Copyright Frans van Dorsselaer, 1996, 1997
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
25 * This code was audited for completeness against the documented features
26 * of Comctl32.dll version 6.0 on Oct. 8, 2004, by Dimitrie O. Paun.
28 * Unless otherwise noted, we believe this code to be complete, as per
29 * the specification mentioned above.
30 * If you discover missing features, or bugs, please note them below.
33 * - EDITBALLOONTIP structure
34 * - EM_GETCUEBANNER/Edit_GetCueBannerText
35 * - EM_HIDEBALLOONTIP/Edit_HideBalloonTip
36 * - EM_SETCUEBANNER/Edit_SetCueBannerText
37 * - EM_SHOWBALLOONTIP/Edit_ShowBalloonTip
38 * - EM_GETIMESTATUS, EM_SETIMESTATUS
57 #include "wine/unicode.h"
59 #include "user_private.h"
60 #include "wine/debug.h"
62 WINE_DEFAULT_DEBUG_CHANNEL(edit
);
63 WINE_DECLARE_DEBUG_CHANNEL(combo
);
64 WINE_DECLARE_DEBUG_CHANNEL(relay
);
66 #define BUFLIMIT_INITIAL 30000 /* initial buffer size */
67 #define GROWLENGTH 32 /* buffers granularity in bytes: must be power of 2 */
68 #define ROUND_TO_GROW(size) (((size) + (GROWLENGTH - 1)) & ~(GROWLENGTH - 1))
69 #define HSCROLL_FRACTION 3 /* scroll window by 1/3 width */
72 * extra flags for EDITSTATE.flags field
74 #define EF_MODIFIED 0x0001 /* text has been modified */
75 #define EF_FOCUSED 0x0002 /* we have input focus */
76 #define EF_UPDATE 0x0004 /* notify parent of changed state */
77 #define EF_VSCROLL_TRACK 0x0008 /* don't SetScrollPos() since we are tracking the thumb */
78 #define EF_HSCROLL_TRACK 0x0010 /* don't SetScrollPos() since we are tracking the thumb */
79 #define EF_AFTER_WRAP 0x0080 /* the caret is displayed after the last character of a
80 wrapped line, instead of in front of the next character */
81 #define EF_USE_SOFTBRK 0x0100 /* Enable soft breaks in text. */
82 #define EF_APP_HAS_HANDLE 0x0200 /* Set when an app sends EM_[G|S]ETHANDLE. We are in sole control of
83 the text buffer if this is clear. */
84 #define EF_DIALOGMODE 0x0400 /* Indicates that we are inside a dialog window */
88 END_0
= 0, /* line ends with terminating '\0' character */
89 END_WRAP
, /* line is wrapped */
90 END_HARD
, /* line ends with a hard return '\r\n' */
91 END_SOFT
, /* line ends with a soft return '\r\r\n' */
92 END_RICH
/* line ends with a single '\n' */
95 typedef struct tagLINEDEF
{
96 INT length
; /* bruto length of a line in bytes */
97 INT net_length
; /* netto length of a line in visible characters */
99 INT width
; /* width of the line in pixels */
100 INT index
; /* line index into the buffer */
101 SCRIPT_STRING_ANALYSIS ssa
; /* Uniscribe Data */
102 struct tagLINEDEF
*next
;
107 BOOL is_unicode
; /* how the control was created */
108 LPWSTR text
; /* the actual contents of the control */
109 UINT text_length
; /* cached length of text buffer (in WCHARs) - use get_text_length() to retrieve */
110 UINT buffer_size
; /* the size of the buffer in characters */
111 UINT buffer_limit
; /* the maximum size to which the buffer may grow in characters */
112 HFONT font
; /* NULL means standard system font */
113 INT x_offset
; /* scroll offset for multi lines this is in pixels
114 for single lines it's in characters */
115 INT line_height
; /* height of a screen line in pixels */
116 INT char_width
; /* average character width in pixels */
117 DWORD style
; /* sane version of wnd->dwStyle */
118 WORD flags
; /* flags that are not in es->style or wnd->flags (EF_XXX) */
119 INT undo_insert_count
; /* number of characters inserted in sequence */
120 UINT undo_position
; /* character index of the insertion and deletion */
121 LPWSTR undo_text
; /* deleted text */
122 UINT undo_buffer_size
; /* size of the deleted text buffer */
123 INT selection_start
; /* == selection_end if no selection */
124 INT selection_end
; /* == current caret position */
125 WCHAR password_char
; /* == 0 if no password char, and for multi line controls */
126 INT left_margin
; /* in pixels */
127 INT right_margin
; /* in pixels */
129 INT text_width
; /* width of the widest line in pixels for multi line controls
130 and just line width for single line controls */
131 INT region_posx
; /* Position of cursor relative to region: */
132 INT region_posy
; /* -1: to left, 0: within, 1: to right */
133 void *word_break_proc
; /* 32-bit word break proc: ANSI or Unicode */
134 INT line_count
; /* number of lines */
135 INT y_offset
; /* scroll offset in number of lines */
136 BOOL bCaptureState
; /* flag indicating whether mouse was captured */
137 BOOL bEnableState
; /* flag keeping the enable state */
138 HWND hwndSelf
; /* the our window handle */
139 HWND hwndParent
; /* Handle of parent for sending EN_* messages.
140 Even if parent will change, EN_* messages
141 should be sent to the first parent. */
142 HWND hwndListBox
; /* handle of ComboBox's listbox or NULL */
144 * only for multi line controls
146 INT lock_count
; /* amount of re-entries in the EditWndProc */
149 LINEDEF
*first_line_def
; /* linked list of (soft) linebreaks */
150 HLOCAL hloc32W
; /* our unicode local memory block */
151 HLOCAL hloc32A
; /* alias for ANSI control receiving EM_GETHANDLE
156 UINT composition_len
; /* length of composition, 0 == no composition */
157 int composition_start
; /* the character position for the composition */
161 SCRIPT_LOGATTR
*logAttr
;
162 SCRIPT_STRING_ANALYSIS ssa
; /* Uniscribe Data for single line controls */
166 #define SWAP_UINT32(x,y) do { UINT temp = (UINT)(x); (x) = (UINT)(y); (y) = temp; } while(0)
167 #define ORDER_UINT(x,y) do { if ((UINT)(y) < (UINT)(x)) SWAP_UINT32((x),(y)); } while(0)
169 /* used for disabled or read-only edit control */
170 #define EDIT_NOTIFY_PARENT(es, wNotifyCode) \
172 { /* Notify parent which has created this edit control */ \
173 TRACE("notification " #wNotifyCode " sent to hwnd=%p\n", es->hwndParent); \
174 SendMessageW(es->hwndParent, WM_COMMAND, \
175 MAKEWPARAM(GetWindowLongPtrW((es->hwndSelf),GWLP_ID), wNotifyCode), \
176 (LPARAM)(es->hwndSelf)); \
179 static const WCHAR empty_stringW
[] = {0};
180 static LRESULT
EDIT_EM_PosFromChar(EDITSTATE
*es
, INT index
, BOOL after_wrap
);
182 /*********************************************************************
187 static inline BOOL
EDIT_EM_CanUndo(const EDITSTATE
*es
)
189 return (es
->undo_insert_count
|| strlenW(es
->undo_text
));
193 /*********************************************************************
198 static inline void EDIT_EM_EmptyUndoBuffer(EDITSTATE
*es
)
200 es
->undo_insert_count
= 0;
201 *es
->undo_text
= '\0';
205 /**********************************************************************
208 * Returns the window version in case Wine emulates a later version
209 * of windows than the application expects.
211 * In a number of cases when windows runs an application that was
212 * designed for an earlier windows version, windows reverts
213 * to "old" behaviour of that earlier version.
215 * An example is a disabled edit control that needs to be painted.
216 * Old style behaviour is to send a WM_CTLCOLOREDIT message. This was
217 * changed in Win95, NT4.0 by a WM_CTLCOLORSTATIC message _only_ for
218 * applications with an expected version 0f 4.0 or higher.
221 static DWORD
get_app_version(void)
223 static DWORD version
;
226 DWORD dwEmulatedVersion
;
228 DWORD dwProcVersion
= GetProcessVersion(0);
230 info
.dwOSVersionInfoSize
= sizeof(OSVERSIONINFOW
);
231 GetVersionExW( &info
);
232 dwEmulatedVersion
= MAKELONG( info
.dwMinorVersion
, info
.dwMajorVersion
);
233 /* FIXME: this may not be 100% correct; see discussion on the
234 * wine developer list in Nov 1999 */
235 version
= dwProcVersion
< dwEmulatedVersion
? dwProcVersion
: dwEmulatedVersion
;
240 static HBRUSH
EDIT_NotifyCtlColor(EDITSTATE
*es
, HDC hdc
)
245 if ( get_app_version() >= 0x40000 && (!es
->bEnableState
|| (es
->style
& ES_READONLY
)))
246 msg
= WM_CTLCOLORSTATIC
;
248 msg
= WM_CTLCOLOREDIT
;
250 /* why do we notify to es->hwndParent, and we send this one to GetParent()? */
251 hbrush
= (HBRUSH
)SendMessageW(GetParent(es
->hwndSelf
), msg
, (WPARAM
)hdc
, (LPARAM
)es
->hwndSelf
);
253 hbrush
= (HBRUSH
)DefWindowProcW(GetParent(es
->hwndSelf
), msg
, (WPARAM
)hdc
, (LPARAM
)es
->hwndSelf
);
258 static inline UINT
get_text_length(EDITSTATE
*es
)
260 if(es
->text_length
== (UINT
)-1)
261 es
->text_length
= strlenW(es
->text
);
262 return es
->text_length
;
266 /*********************************************************************
270 * Find the beginning of words.
271 * Note: unlike the specs for a WordBreakProc, this function only
272 * allows to be called without linebreaks between s[0] up to
273 * s[count - 1]. Remember it is only called
274 * internally, so we can decide this for ourselves.
275 * Additional we will always be breaking the full string.
278 static INT
EDIT_WordBreakProc(EDITSTATE
*es
, LPWSTR s
, INT index
, INT count
, INT action
)
282 TRACE("s=%p, index=%d, count=%d, action=%d\n", s
, index
, count
, action
);
290 memset(&psa
,0,sizeof(SCRIPT_ANALYSIS
));
291 psa
.eScript
= SCRIPT_UNDEFINED
;
293 es
->logAttr
= HeapAlloc(GetProcessHeap(), 0, sizeof(SCRIPT_LOGATTR
) * get_text_length(es
));
294 ScriptBreak(es
->text
, get_text_length(es
), &psa
, es
->logAttr
);
301 while (index
&& !es
->logAttr
[index
].fSoftBreak
)
308 while (s
[index
] && index
< count
&& !es
->logAttr
[index
].fSoftBreak
)
313 ret
= es
->logAttr
[index
].fWhiteSpace
;
316 ERR("unknown action code, please report !\n");
323 /*********************************************************************
325 * EDIT_CallWordBreakProc
327 * Call appropriate WordBreakProc (internal or external).
329 * Note: The "start" argument should always be an index referring
330 * to es->text. The actual wordbreak proc might be
331 * 16 bit, so we can't always pass any 32 bit LPSTR.
332 * Hence we assume that es->text is the buffer that holds
333 * the string under examination (we can decide this for ourselves).
336 static INT
EDIT_CallWordBreakProc(EDITSTATE
*es
, INT start
, INT index
, INT count
, INT action
)
340 if (es
->word_break_proc
)
344 EDITWORDBREAKPROCW wbpW
= (EDITWORDBREAKPROCW
)es
->word_break_proc
;
346 TRACE_(relay
)("(UNICODE wordbrk=%p,str=%s,idx=%d,cnt=%d,act=%d)\n",
347 es
->word_break_proc
, debugstr_wn(es
->text
+ start
, count
), index
, count
, action
);
348 ret
= wbpW(es
->text
+ start
, index
, count
, action
);
352 EDITWORDBREAKPROCA wbpA
= (EDITWORDBREAKPROCA
)es
->word_break_proc
;
356 countA
= WideCharToMultiByte(CP_ACP
, 0, es
->text
+ start
, count
, NULL
, 0, NULL
, NULL
);
357 textA
= HeapAlloc(GetProcessHeap(), 0, countA
);
358 WideCharToMultiByte(CP_ACP
, 0, es
->text
+ start
, count
, textA
, countA
, NULL
, NULL
);
359 TRACE_(relay
)("(ANSI wordbrk=%p,str=%s,idx=%d,cnt=%d,act=%d)\n",
360 es
->word_break_proc
, debugstr_an(textA
, countA
), index
, countA
, action
);
361 ret
= wbpA(textA
, index
, countA
, action
);
362 HeapFree(GetProcessHeap(), 0, textA
);
366 ret
= EDIT_WordBreakProc(es
, es
->text
, index
+start
, count
+start
, action
) - start
;
371 static inline void EDIT_InvalidateUniscribeData_linedef(LINEDEF
*line_def
)
375 ScriptStringFree(&line_def
->ssa
);
376 line_def
->ssa
= NULL
;
380 static inline void EDIT_InvalidateUniscribeData(EDITSTATE
*es
)
382 LINEDEF
*line_def
= es
->first_line_def
;
385 EDIT_InvalidateUniscribeData_linedef(line_def
);
386 line_def
= line_def
->next
;
390 ScriptStringFree(&es
->ssa
);
395 static SCRIPT_STRING_ANALYSIS
EDIT_UpdateUniscribeData_linedef(EDITSTATE
*es
, HDC dc
, LINEDEF
*line_def
)
400 if (line_def
->net_length
&& !line_def
->ssa
)
402 int index
= line_def
->index
;
403 HFONT old_font
= NULL
;
405 SCRIPT_TABDEF tabdef
;
408 udc
= GetDC(es
->hwndSelf
);
410 old_font
= SelectObject(udc
, es
->font
);
412 tabdef
.cTabStops
= es
->tabs_count
;
414 tabdef
.pTabStops
= es
->tabs
;
415 tabdef
.iTabOrigin
= 0;
417 ScriptStringAnalyse(udc
, &es
->text
[index
], line_def
->net_length
, (1.5*line_def
->net_length
+16), -1, SSA_LINK
|SSA_FALLBACK
|SSA_GLYPHS
|SSA_TAB
, -1, NULL
, NULL
, NULL
, &tabdef
, NULL
, &line_def
->ssa
);
420 SelectObject(udc
, old_font
);
422 ReleaseDC(es
->hwndSelf
, udc
);
425 return line_def
->ssa
;
428 static SCRIPT_STRING_ANALYSIS
EDIT_UpdateUniscribeData(EDITSTATE
*es
, HDC dc
, INT line
)
432 if (!(es
->style
& ES_MULTILINE
))
436 INT length
= get_text_length(es
);
437 HFONT old_font
= NULL
;
441 udc
= GetDC(es
->hwndSelf
);
443 old_font
= SelectObject(udc
, es
->font
);
445 if (es
->style
& ES_PASSWORD
)
446 ScriptStringAnalyse(udc
, &es
->password_char
, length
, (1.5*length
+16), -1, SSA_LINK
|SSA_FALLBACK
|SSA_GLYPHS
|SSA_PASSWORD
, -1, NULL
, NULL
, NULL
, NULL
, NULL
, &es
->ssa
);
448 ScriptStringAnalyse(udc
, es
->text
, length
, (1.5*length
+16), -1, SSA_LINK
|SSA_FALLBACK
|SSA_GLYPHS
, -1, NULL
, NULL
, NULL
, NULL
, NULL
, &es
->ssa
);
451 SelectObject(udc
, old_font
);
453 ReleaseDC(es
->hwndSelf
, udc
);
459 line_def
= es
->first_line_def
;
460 while (line_def
&& line
)
462 line_def
= line_def
->next
;
466 return EDIT_UpdateUniscribeData_linedef(es
,dc
,line_def
);
470 /*********************************************************************
472 * EDIT_BuildLineDefs_ML
474 * Build linked list of text lines.
475 * Lines can end with '\0' (last line), a character (if it is wrapped),
476 * a soft return '\r\r\n' or a hard return '\r\n'
479 static void EDIT_BuildLineDefs_ML(EDITSTATE
*es
, INT istart
, INT iend
, INT delta
, HRGN hrgn
)
481 LPWSTR current_position
, cp
;
483 LINEDEF
*current_line
;
484 LINEDEF
*previous_line
;
486 INT line_index
= 0, nstart_line
= 0, nstart_index
= 0;
487 INT line_count
= es
->line_count
;
491 if (istart
== iend
&& delta
== 0)
494 previous_line
= NULL
;
495 current_line
= es
->first_line_def
;
497 /* Find starting line. istart must lie inside an existing line or
498 * at the end of buffer */
500 if (istart
< current_line
->index
+ current_line
->length
||
501 current_line
->ending
== END_0
)
504 previous_line
= current_line
;
505 current_line
= current_line
->next
;
507 } while (current_line
);
509 if (!current_line
) /* Error occurred start is not inside previous buffer */
511 FIXME(" modification occurred outside buffer\n");
515 /* Remember start of modifications in order to calculate update region */
516 nstart_line
= line_index
;
517 nstart_index
= current_line
->index
;
519 /* We must start to reformat from the previous line since the modifications
520 * may have caused the line to wrap upwards. */
521 if (!(es
->style
& ES_AUTOHSCROLL
) && line_index
> 0)
524 current_line
= previous_line
;
526 start_line
= current_line
;
528 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
529 current_position
= es
->text
+ current_line
->index
;
531 if (current_line
!= start_line
)
533 if (!current_line
|| current_line
->index
+ delta
> current_position
- es
->text
)
535 /* The buffer has been expanded, create a new line and
536 insert it into the link list */
537 LINEDEF
*new_line
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(LINEDEF
));
538 new_line
->next
= previous_line
->next
;
539 previous_line
->next
= new_line
;
540 current_line
= new_line
;
543 else if (current_line
->index
+ delta
< current_position
- es
->text
)
545 /* The previous line merged with this line so we delete this extra entry */
546 previous_line
->next
= current_line
->next
;
547 HeapFree(GetProcessHeap(), 0, current_line
);
548 current_line
= previous_line
->next
;
552 else /* current_line->index + delta == current_position */
554 if (current_position
- es
->text
> iend
)
555 break; /* We reached end of line modifications */
556 /* else recalculate this line */
560 current_line
->index
= current_position
- es
->text
;
561 orig_net_length
= current_line
->net_length
;
563 /* Find end of line */
564 cp
= current_position
;
566 if (*cp
== '\n') break;
567 if ((*cp
== '\r') && (*(cp
+ 1) == '\n'))
572 /* Mark type of line termination */
574 current_line
->ending
= END_0
;
575 current_line
->net_length
= strlenW(current_position
);
576 } else if ((cp
> current_position
) && (*(cp
- 1) == '\r')) {
577 current_line
->ending
= END_SOFT
;
578 current_line
->net_length
= cp
- current_position
- 1;
579 } else if (*cp
== '\n') {
580 current_line
->ending
= END_RICH
;
581 current_line
->net_length
= cp
- current_position
;
583 current_line
->ending
= END_HARD
;
584 current_line
->net_length
= cp
- current_position
;
587 if (current_line
->net_length
)
590 EDIT_InvalidateUniscribeData_linedef(current_line
);
591 EDIT_UpdateUniscribeData_linedef(es
, NULL
, current_line
);
592 sz
= ScriptString_pSize(current_line
->ssa
);
593 /* Calculate line width */
594 current_line
->width
= sz
->cx
;
596 else current_line
->width
= 0;
598 /* FIXME: check here for lines that are too wide even in AUTOHSCROLL (> 32767 ???) */
600 /* Line breaks just look back from the end and find the next break and try that. */
602 if (!(es
->style
& ES_AUTOHSCROLL
)) {
603 if (current_line
->width
> fw
&& fw
> es
->char_width
) {
610 prev
= current_line
->net_length
- 1;
611 w
= current_line
->net_length
;
612 d
= (float)current_line
->width
/(float)fw
;
613 if (d
> 1.2) d
-= 0.2;
615 if (next
>= prev
) next
= prev
-1;
617 prev
= EDIT_CallWordBreakProc(es
, current_position
- es
->text
,
618 next
, current_line
->net_length
, WB_LEFT
);
619 current_line
->net_length
= prev
;
620 EDIT_InvalidateUniscribeData_linedef(current_line
);
621 EDIT_UpdateUniscribeData_linedef(es
, NULL
, current_line
);
622 sz
= ScriptString_pSize(current_line
->ssa
);
624 current_line
->width
= sz
->cx
;
628 } while (prev
&& current_line
->width
> fw
);
629 current_line
->net_length
= w
;
631 if (prev
== 0) { /* Didn't find a line break so force a break */
635 EDIT_InvalidateUniscribeData_linedef(current_line
);
636 EDIT_UpdateUniscribeData_linedef(es
, NULL
, current_line
);
638 count
= ScriptString_pcOutChars(current_line
->ssa
);
639 piDx
= HeapAlloc(GetProcessHeap(),0,sizeof(INT
) * (*count
));
640 ScriptStringGetLogicalWidths(current_line
->ssa
,piDx
);
642 prev
= current_line
->net_length
-1;
644 current_line
->width
-= piDx
[prev
];
646 } while ( prev
> 0 && current_line
->width
> fw
);
649 HeapFree(GetProcessHeap(),0,piDx
);
652 /* If the first line we are calculating, wrapped before istart, we must
653 * adjust istart in order for this to be reflected in the update region. */
654 if (current_line
->index
== nstart_index
&& istart
> current_line
->index
+ prev
)
655 istart
= current_line
->index
+ prev
;
656 /* else if we are updating the previous line before the first line we
657 * are re-calculating and it expanded */
658 else if (current_line
== start_line
&&
659 current_line
->index
!= nstart_index
&& orig_net_length
< prev
)
661 /* Line expanded due to an upwards line wrap so we must partially include
662 * previous line in update region */
663 nstart_line
= line_index
;
664 nstart_index
= current_line
->index
;
665 istart
= current_line
->index
+ orig_net_length
;
668 current_line
->net_length
= prev
;
669 current_line
->ending
= END_WRAP
;
671 if (current_line
->net_length
> 0)
673 EDIT_UpdateUniscribeData_linedef(es
, NULL
, current_line
);
674 sz
= ScriptString_pSize(current_line
->ssa
);
675 current_line
->width
= sz
->cx
;
677 else current_line
->width
= 0;
679 else if (current_line
== start_line
&&
680 current_line
->index
!= nstart_index
&&
681 orig_net_length
< current_line
->net_length
) {
682 /* The previous line expanded but it's still not as wide as the client rect */
683 /* The expansion is due to an upwards line wrap so we must partially include
684 it in the update region */
685 nstart_line
= line_index
;
686 nstart_index
= current_line
->index
;
687 istart
= current_line
->index
+ orig_net_length
;
692 /* Adjust length to include line termination */
693 switch (current_line
->ending
) {
695 current_line
->length
= current_line
->net_length
+ 3;
698 current_line
->length
= current_line
->net_length
+ 1;
701 current_line
->length
= current_line
->net_length
+ 2;
705 current_line
->length
= current_line
->net_length
;
708 es
->text_width
= max(es
->text_width
, current_line
->width
);
709 current_position
+= current_line
->length
;
710 previous_line
= current_line
;
711 current_line
= current_line
->next
;
713 } while (previous_line
->ending
!= END_0
);
715 /* Finish adjusting line indexes by delta or remove hanging lines */
716 if (previous_line
->ending
== END_0
)
718 LINEDEF
*pnext
= NULL
;
720 previous_line
->next
= NULL
;
723 pnext
= current_line
->next
;
724 EDIT_InvalidateUniscribeData_linedef(current_line
);
725 HeapFree(GetProcessHeap(), 0, current_line
);
726 current_line
= pnext
;
734 current_line
->index
+= delta
;
735 current_line
= current_line
->next
;
739 /* Calculate rest of modification rectangle */
744 * We calculate two rectangles. One for the first line which may have
745 * an indent with respect to the format rect. The other is a format-width
746 * rectangle that spans the rest of the lines that changed or moved.
748 rc
.top
= es
->format_rect
.top
+ nstart_line
* es
->line_height
-
749 (es
->y_offset
* es
->line_height
); /* Adjust for vertical scrollbar */
750 rc
.bottom
= rc
.top
+ es
->line_height
;
751 if ((es
->style
& ES_CENTER
) || (es
->style
& ES_RIGHT
))
752 rc
.left
= es
->format_rect
.left
;
754 rc
.left
= LOWORD(EDIT_EM_PosFromChar(es
, nstart_index
, FALSE
));
755 rc
.right
= es
->format_rect
.right
;
756 SetRectRgn(hrgn
, rc
.left
, rc
.top
, rc
.right
, rc
.bottom
);
759 rc
.left
= es
->format_rect
.left
;
760 rc
.right
= es
->format_rect
.right
;
762 * If lines were added or removed we must re-paint the remainder of the
763 * lines since the remaining lines were either shifted up or down.
765 if (line_count
< es
->line_count
) /* We added lines */
766 rc
.bottom
= es
->line_count
* es
->line_height
;
767 else if (line_count
> es
->line_count
) /* We removed lines */
768 rc
.bottom
= line_count
* es
->line_height
;
770 rc
.bottom
= line_index
* es
->line_height
;
771 rc
.bottom
+= es
->format_rect
.top
;
772 rc
.bottom
-= (es
->y_offset
* es
->line_height
); /* Adjust for vertical scrollbar */
773 tmphrgn
= CreateRectRgn(rc
.left
, rc
.top
, rc
.right
, rc
.bottom
);
774 CombineRgn(hrgn
, hrgn
, tmphrgn
, RGN_OR
);
775 DeleteObject(tmphrgn
);
779 /*********************************************************************
781 * EDIT_CalcLineWidth_SL
784 static void EDIT_CalcLineWidth_SL(EDITSTATE
*es
)
786 EDIT_UpdateUniscribeData(es
, NULL
, 0);
790 size
= ScriptString_pSize(es
->ssa
);
791 es
->text_width
= size
->cx
;
797 /*********************************************************************
801 * Beware: This is not the function called on EM_CHARFROMPOS
802 * The position _can_ be outside the formatting / client
804 * The return value is only the character index
807 static INT
EDIT_CharFromPos(EDITSTATE
*es
, INT x
, INT y
, LPBOOL after_wrap
)
811 if (es
->style
& ES_MULTILINE
) {
813 INT line
= (y
- es
->format_rect
.top
) / es
->line_height
+ es
->y_offset
;
815 LINEDEF
*line_def
= es
->first_line_def
;
816 EDIT_UpdateUniscribeData(es
, NULL
, line
);
817 while ((line
> 0) && line_def
->next
) {
818 line_index
+= line_def
->length
;
819 line_def
= line_def
->next
;
823 x
+= es
->x_offset
- es
->format_rect
.left
;
824 if (es
->style
& ES_RIGHT
)
825 x
-= (es
->format_rect
.right
- es
->format_rect
.left
) - line_def
->width
;
826 else if (es
->style
& ES_CENTER
)
827 x
-= ((es
->format_rect
.right
- es
->format_rect
.left
) - line_def
->width
) / 2;
828 if (x
>= line_def
->width
) {
830 *after_wrap
= (line_def
->ending
== END_WRAP
);
831 return line_index
+ line_def
->net_length
;
833 if (x
<= 0 || !line_def
->ssa
) {
839 ScriptStringXtoCP(line_def
->ssa
, x
, &index
, &trailing
);
840 if (trailing
) index
++;
843 *after_wrap
= ((index
== line_index
+ line_def
->net_length
) &&
844 (line_def
->ending
== END_WRAP
));
850 x
-= es
->format_rect
.left
;
856 INT indent
= (es
->format_rect
.right
- es
->format_rect
.left
) - es
->text_width
;
857 if (es
->style
& ES_RIGHT
)
859 else if (es
->style
& ES_CENTER
)
863 EDIT_UpdateUniscribeData(es
, NULL
, 0);
868 if (es
->x_offset
>= get_text_length(es
))
871 size
= ScriptString_pSize(es
->ssa
);
874 ScriptStringCPtoX(es
->ssa
, es
->x_offset
, FALSE
, &xoff
);
881 if (x
+ xoff
> 0 || !es
->ssa
)
883 ScriptStringXtoCP(es
->ssa
, x
+xoff
, &index
, &trailing
);
884 if (trailing
) index
++;
893 const SIZE
*size
= NULL
;
895 size
= ScriptString_pSize(es
->ssa
);
898 else if (x
> size
->cx
)
899 index
= get_text_length(es
);
902 ScriptStringXtoCP(es
->ssa
, x
+xoff
, &index
, &trailing
);
903 if (trailing
) index
++;
909 index
= es
->x_offset
;
916 /*********************************************************************
920 * adjusts the point to be within the formatting rectangle
921 * (so CharFromPos returns the nearest _visible_ character)
924 static void EDIT_ConfinePoint(const EDITSTATE
*es
, LPINT x
, LPINT y
)
926 *x
= min(max(*x
, es
->format_rect
.left
), es
->format_rect
.right
- 1);
927 *y
= min(max(*y
, es
->format_rect
.top
), es
->format_rect
.bottom
- 1);
931 /*********************************************************************
936 static INT
EDIT_EM_LineFromChar(EDITSTATE
*es
, INT index
)
941 if (!(es
->style
& ES_MULTILINE
))
943 if (index
> (INT
)get_text_length(es
))
944 return es
->line_count
- 1;
946 index
= min(es
->selection_start
, es
->selection_end
);
949 line_def
= es
->first_line_def
;
950 index
-= line_def
->length
;
951 while ((index
>= 0) && line_def
->next
) {
953 line_def
= line_def
->next
;
954 index
-= line_def
->length
;
960 /*********************************************************************
965 static INT
EDIT_EM_LineIndex(const EDITSTATE
*es
, INT line
)
968 const LINEDEF
*line_def
;
970 if (!(es
->style
& ES_MULTILINE
))
972 if (line
>= es
->line_count
)
976 line_def
= es
->first_line_def
;
978 INT index
= es
->selection_end
- line_def
->length
;
979 while ((index
>= 0) && line_def
->next
) {
980 line_index
+= line_def
->length
;
981 line_def
= line_def
->next
;
982 index
-= line_def
->length
;
986 line_index
+= line_def
->length
;
987 line_def
= line_def
->next
;
995 /*********************************************************************
1000 static INT
EDIT_EM_LineLength(EDITSTATE
*es
, INT index
)
1004 if (!(es
->style
& ES_MULTILINE
))
1005 return get_text_length(es
);
1008 /* get the number of remaining non-selected chars of selected lines */
1009 INT32 l
; /* line number */
1010 INT32 li
; /* index of first char in line */
1012 l
= EDIT_EM_LineFromChar(es
, es
->selection_start
);
1013 /* # chars before start of selection area */
1014 count
= es
->selection_start
- EDIT_EM_LineIndex(es
, l
);
1015 l
= EDIT_EM_LineFromChar(es
, es
->selection_end
);
1016 /* # chars after end of selection */
1017 li
= EDIT_EM_LineIndex(es
, l
);
1018 count
+= li
+ EDIT_EM_LineLength(es
, li
) - es
->selection_end
;
1021 line_def
= es
->first_line_def
;
1022 index
-= line_def
->length
;
1023 while ((index
>= 0) && line_def
->next
) {
1024 line_def
= line_def
->next
;
1025 index
-= line_def
->length
;
1027 return line_def
->net_length
;
1031 /*********************************************************************
1036 static LRESULT
EDIT_EM_PosFromChar(EDITSTATE
*es
, INT index
, BOOL after_wrap
)
1038 INT len
= get_text_length(es
);
1047 index
= min(index
, len
);
1048 if (es
->style
& ES_MULTILINE
) {
1049 l
= EDIT_EM_LineFromChar(es
, index
);
1050 EDIT_UpdateUniscribeData(es
, NULL
, l
);
1052 y
= (l
- es
->y_offset
) * es
->line_height
;
1053 li
= EDIT_EM_LineIndex(es
, l
);
1054 if (after_wrap
&& (li
== index
) && l
) {
1056 line_def
= es
->first_line_def
;
1058 line_def
= line_def
->next
;
1061 if (line_def
->ending
== END_WRAP
) {
1063 y
-= es
->line_height
;
1064 li
= EDIT_EM_LineIndex(es
, l
);
1068 line_def
= es
->first_line_def
;
1069 while (line_def
->index
!= li
)
1070 line_def
= line_def
->next
;
1072 lw
= line_def
->width
;
1073 w
= es
->format_rect
.right
- es
->format_rect
.left
;
1076 ScriptStringCPtoX(line_def
->ssa
, (index
- 1) - li
, TRUE
, &x
);
1082 if (es
->style
& ES_RIGHT
)
1084 else if (es
->style
& ES_CENTER
)
1089 EDIT_UpdateUniscribeData(es
, NULL
, 0);
1094 if (es
->x_offset
>= get_text_length(es
))
1099 size
= ScriptString_pSize(es
->ssa
);
1105 ScriptStringCPtoX(es
->ssa
, es
->x_offset
, FALSE
, &xoff
);
1112 if (index
>= get_text_length(es
))
1117 size
= ScriptString_pSize(es
->ssa
);
1124 ScriptStringCPtoX(es
->ssa
, index
, FALSE
, &xi
);
1130 if (index
>= es
->x_offset
) {
1131 if (!es
->x_offset
&& (es
->style
& (ES_RIGHT
| ES_CENTER
)))
1133 w
= es
->format_rect
.right
- es
->format_rect
.left
;
1134 if (w
> es
->text_width
)
1136 if (es
->style
& ES_RIGHT
)
1137 x
+= w
- es
->text_width
;
1138 else if (es
->style
& ES_CENTER
)
1139 x
+= (w
- es
->text_width
) / 2;
1145 x
+= es
->format_rect
.left
;
1146 y
+= es
->format_rect
.top
;
1147 return MAKELONG((INT16
)x
, (INT16
)y
);
1151 /*********************************************************************
1155 * Calculates the bounding rectangle for a line from a starting
1156 * column to an ending column.
1159 static void EDIT_GetLineRect(EDITSTATE
*es
, INT line
, INT scol
, INT ecol
, LPRECT rc
)
1161 SCRIPT_STRING_ANALYSIS ssa
;
1165 if (es
->style
& ES_MULTILINE
)
1167 const LINEDEF
*line_def
= NULL
;
1168 rc
->top
= es
->format_rect
.top
+ (line
- es
->y_offset
) * es
->line_height
;
1169 if (line
>= es
->line_count
)
1172 line_def
= es
->first_line_def
;
1174 INT index
= es
->selection_end
- line_def
->length
;
1175 while ((index
>= 0) && line_def
->next
) {
1176 line_index
+= line_def
->length
;
1177 line_def
= line_def
->next
;
1178 index
-= line_def
->length
;
1182 line_index
+= line_def
->length
;
1183 line_def
= line_def
->next
;
1187 ssa
= line_def
->ssa
;
1192 rc
->top
= es
->format_rect
.top
;
1196 rc
->bottom
= rc
->top
+ es
->line_height
;
1197 pt1
= (scol
== 0) ? es
->format_rect
.left
: (short)LOWORD(EDIT_EM_PosFromChar(es
, line_index
+ scol
, TRUE
));
1198 pt2
= (ecol
== -1) ? es
->format_rect
.right
: (short)LOWORD(EDIT_EM_PosFromChar(es
, line_index
+ ecol
, TRUE
));
1201 ScriptStringCPtoX(ssa
, scol
, FALSE
, &pt3
);
1202 pt3
+=es
->format_rect
.left
;
1205 rc
->right
= max(max(pt1
, pt2
),pt3
);
1206 rc
->left
= min(min(pt1
, pt2
),pt3
);
1210 static inline void text_buffer_changed(EDITSTATE
*es
)
1212 es
->text_length
= (UINT
)-1;
1214 HeapFree( GetProcessHeap(), 0, es
->logAttr
);
1216 EDIT_InvalidateUniscribeData(es
);
1219 /*********************************************************************
1223 static void EDIT_LockBuffer(EDITSTATE
*es
)
1227 if(!es
->hloc32W
) return;
1231 CHAR
*textA
= LocalLock(es
->hloc32A
);
1233 UINT countW_new
= MultiByteToWideChar(CP_ACP
, 0, textA
, -1, NULL
, 0);
1234 if(countW_new
> es
->buffer_size
+ 1)
1236 UINT alloc_size
= ROUND_TO_GROW(countW_new
* sizeof(WCHAR
));
1237 TRACE("Resizing 32-bit UNICODE buffer from %d+1 to %d WCHARs\n", es
->buffer_size
, countW_new
);
1238 hloc32W_new
= LocalReAlloc(es
->hloc32W
, alloc_size
, LMEM_MOVEABLE
| LMEM_ZEROINIT
);
1241 es
->hloc32W
= hloc32W_new
;
1242 es
->buffer_size
= LocalSize(hloc32W_new
)/sizeof(WCHAR
) - 1;
1243 TRACE("Real new size %d+1 WCHARs\n", es
->buffer_size
);
1246 WARN("FAILED! Will synchronize partially\n");
1248 es
->text
= LocalLock(es
->hloc32W
);
1249 MultiByteToWideChar(CP_ACP
, 0, textA
, -1, es
->text
, es
->buffer_size
+ 1);
1250 LocalUnlock(es
->hloc32A
);
1252 else es
->text
= LocalLock(es
->hloc32W
);
1254 if(es
->flags
& EF_APP_HAS_HANDLE
) text_buffer_changed(es
);
1259 /*********************************************************************
1264 static void EDIT_UnlockBuffer(EDITSTATE
*es
, BOOL force
)
1267 /* Edit window might be already destroyed */
1268 if(!IsWindow(es
->hwndSelf
))
1270 WARN("edit hwnd %p already destroyed\n", es
->hwndSelf
);
1274 if (!es
->lock_count
) {
1275 ERR("lock_count == 0 ... please report\n");
1279 ERR("es->text == 0 ... please report\n");
1283 if (force
|| (es
->lock_count
== 1)) {
1286 UINT countW
= get_text_length(es
) + 1;
1290 UINT countA_new
= WideCharToMultiByte(CP_ACP
, 0, es
->text
, countW
, NULL
, 0, NULL
, NULL
);
1291 TRACE("Synchronizing with 32-bit ANSI buffer\n");
1292 TRACE("%d WCHARs translated to %d bytes\n", countW
, countA_new
);
1293 countA
= LocalSize(es
->hloc32A
);
1294 if(countA_new
> countA
)
1297 UINT alloc_size
= ROUND_TO_GROW(countA_new
);
1298 TRACE("Resizing 32-bit ANSI buffer from %d to %d bytes\n", countA
, alloc_size
);
1299 hloc32A_new
= LocalReAlloc(es
->hloc32A
, alloc_size
, LMEM_MOVEABLE
| LMEM_ZEROINIT
);
1302 es
->hloc32A
= hloc32A_new
;
1303 countA
= LocalSize(hloc32A_new
);
1304 TRACE("Real new size %d bytes\n", countA
);
1307 WARN("FAILED! Will synchronize partially\n");
1309 WideCharToMultiByte(CP_ACP
, 0, es
->text
, countW
,
1310 LocalLock(es
->hloc32A
), countA
, NULL
, NULL
);
1311 LocalUnlock(es
->hloc32A
);
1314 LocalUnlock(es
->hloc32W
);
1318 ERR("no buffer ... please report\n");
1326 /*********************************************************************
1330 * Try to fit size + 1 characters in the buffer.
1332 static BOOL
EDIT_MakeFit(EDITSTATE
*es
, UINT size
)
1336 if (size
<= es
->buffer_size
)
1339 TRACE("trying to ReAlloc to %d+1 characters\n", size
);
1341 /* Force edit to unlock it's buffer. es->text now NULL */
1342 EDIT_UnlockBuffer(es
, TRUE
);
1345 UINT alloc_size
= ROUND_TO_GROW((size
+ 1) * sizeof(WCHAR
));
1346 if ((hNew32W
= LocalReAlloc(es
->hloc32W
, alloc_size
, LMEM_MOVEABLE
| LMEM_ZEROINIT
))) {
1347 TRACE("Old 32 bit handle %p, new handle %p\n", es
->hloc32W
, hNew32W
);
1348 es
->hloc32W
= hNew32W
;
1349 es
->buffer_size
= LocalSize(hNew32W
)/sizeof(WCHAR
) - 1;
1353 EDIT_LockBuffer(es
);
1355 if (es
->buffer_size
< size
) {
1356 WARN("FAILED ! We now have %d+1\n", es
->buffer_size
);
1357 EDIT_NOTIFY_PARENT(es
, EN_ERRSPACE
);
1360 TRACE("We now have %d+1\n", es
->buffer_size
);
1366 /*********************************************************************
1370 * Try to fit size + 1 bytes in the undo buffer.
1373 static BOOL
EDIT_MakeUndoFit(EDITSTATE
*es
, UINT size
)
1377 if (size
<= es
->undo_buffer_size
)
1380 TRACE("trying to ReAlloc to %d+1\n", size
);
1382 alloc_size
= ROUND_TO_GROW((size
+ 1) * sizeof(WCHAR
));
1383 if ((es
->undo_text
= HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, es
->undo_text
, alloc_size
))) {
1384 es
->undo_buffer_size
= alloc_size
/sizeof(WCHAR
) - 1;
1389 WARN("FAILED ! We now have %d+1\n", es
->undo_buffer_size
);
1395 /*********************************************************************
1397 * EDIT_UpdateTextRegion
1400 static void EDIT_UpdateTextRegion(EDITSTATE
*es
, HRGN hrgn
, BOOL bErase
)
1402 if (es
->flags
& EF_UPDATE
) {
1403 es
->flags
&= ~EF_UPDATE
;
1404 EDIT_NOTIFY_PARENT(es
, EN_UPDATE
);
1406 InvalidateRgn(es
->hwndSelf
, hrgn
, bErase
);
1410 /*********************************************************************
1415 static void EDIT_UpdateText(EDITSTATE
*es
, const RECT
*rc
, BOOL bErase
)
1417 if (es
->flags
& EF_UPDATE
) {
1418 es
->flags
&= ~EF_UPDATE
;
1419 EDIT_NOTIFY_PARENT(es
, EN_UPDATE
);
1421 InvalidateRect(es
->hwndSelf
, rc
, bErase
);
1424 /*********************************************************************
1426 * EDIT_SL_InvalidateText
1428 * Called from EDIT_InvalidateText().
1429 * Does the job for single-line controls only.
1432 static void EDIT_SL_InvalidateText(EDITSTATE
*es
, INT start
, INT end
)
1437 EDIT_GetLineRect(es
, 0, start
, end
, &line_rect
);
1438 if (IntersectRect(&rc
, &line_rect
, &es
->format_rect
))
1439 EDIT_UpdateText(es
, &rc
, TRUE
);
1443 static inline INT
get_vertical_line_count(EDITSTATE
*es
)
1445 INT vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
1449 /*********************************************************************
1451 * EDIT_ML_InvalidateText
1453 * Called from EDIT_InvalidateText().
1454 * Does the job for multi-line controls only.
1457 static void EDIT_ML_InvalidateText(EDITSTATE
*es
, INT start
, INT end
)
1459 INT vlc
= get_vertical_line_count(es
);
1460 INT sl
= EDIT_EM_LineFromChar(es
, start
);
1461 INT el
= EDIT_EM_LineFromChar(es
, end
);
1470 if ((el
< es
->y_offset
) || (sl
> es
->y_offset
+ vlc
))
1473 sc
= start
- EDIT_EM_LineIndex(es
, sl
);
1474 ec
= end
- EDIT_EM_LineIndex(es
, el
);
1475 if (sl
< es
->y_offset
) {
1479 if (el
> es
->y_offset
+ vlc
) {
1480 el
= es
->y_offset
+ vlc
;
1481 ec
= EDIT_EM_LineLength(es
, EDIT_EM_LineIndex(es
, el
));
1483 GetClientRect(es
->hwndSelf
, &rc1
);
1484 IntersectRect(&rcWnd
, &rc1
, &es
->format_rect
);
1486 EDIT_GetLineRect(es
, sl
, sc
, ec
, &rcLine
);
1487 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1488 EDIT_UpdateText(es
, &rcUpdate
, TRUE
);
1490 EDIT_GetLineRect(es
, sl
, sc
,
1491 EDIT_EM_LineLength(es
,
1492 EDIT_EM_LineIndex(es
, sl
)),
1494 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1495 EDIT_UpdateText(es
, &rcUpdate
, TRUE
);
1496 for (l
= sl
+ 1 ; l
< el
; l
++) {
1497 EDIT_GetLineRect(es
, l
, 0,
1498 EDIT_EM_LineLength(es
,
1499 EDIT_EM_LineIndex(es
, l
)),
1501 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1502 EDIT_UpdateText(es
, &rcUpdate
, TRUE
);
1504 EDIT_GetLineRect(es
, el
, 0, ec
, &rcLine
);
1505 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1506 EDIT_UpdateText(es
, &rcUpdate
, TRUE
);
1511 /*********************************************************************
1513 * EDIT_InvalidateText
1515 * Invalidate the text from offset start up to, but not including,
1516 * offset end. Useful for (re)painting the selection.
1517 * Regions outside the linewidth are not invalidated.
1518 * end == -1 means end == TextLength.
1519 * start and end need not be ordered.
1522 static void EDIT_InvalidateText(EDITSTATE
*es
, INT start
, INT end
)
1528 end
= get_text_length(es
);
1536 if (es
->style
& ES_MULTILINE
)
1537 EDIT_ML_InvalidateText(es
, start
, end
);
1539 EDIT_SL_InvalidateText(es
, start
, end
);
1543 /*********************************************************************
1547 * note: unlike the specs say: the order of start and end
1548 * _is_ preserved in Windows. (i.e. start can be > end)
1549 * In other words: this handler is OK
1552 static void EDIT_EM_SetSel(EDITSTATE
*es
, UINT start
, UINT end
, BOOL after_wrap
)
1554 UINT old_start
= es
->selection_start
;
1555 UINT old_end
= es
->selection_end
;
1556 UINT len
= get_text_length(es
);
1558 if (start
== (UINT
)-1) {
1559 start
= es
->selection_end
;
1560 end
= es
->selection_end
;
1562 start
= min(start
, len
);
1563 end
= min(end
, len
);
1565 es
->selection_start
= start
;
1566 es
->selection_end
= end
;
1568 es
->flags
|= EF_AFTER_WRAP
;
1570 es
->flags
&= ~EF_AFTER_WRAP
;
1571 /* Compute the necessary invalidation region. */
1572 /* Note that we don't need to invalidate regions which have
1573 * "never" been selected, or those which are "still" selected.
1574 * In fact, every time we hit a selection boundary, we can
1575 * *toggle* whether we need to invalidate. Thus we can optimize by
1576 * *sorting* the interval endpoints. Let's assume that we sort them
1578 * start <= end <= old_start <= old_end
1579 * Knuth 5.3.1 (p 183) assures us that this can be done optimally
1580 * in 5 comparisons; i.e. it is impossible to do better than the
1582 ORDER_UINT(end
, old_end
);
1583 ORDER_UINT(start
, old_start
);
1584 ORDER_UINT(old_start
, old_end
);
1585 ORDER_UINT(start
, end
);
1586 /* Note that at this point 'end' and 'old_start' are not in order, but
1587 * start is definitely the min. and old_end is definitely the max. */
1588 if (end
!= old_start
)
1592 * ORDER_UINT32(end, old_start);
1593 * EDIT_InvalidateText(es, start, end);
1594 * EDIT_InvalidateText(es, old_start, old_end);
1595 * in place of the following if statement.
1596 * (That would complete the optimal five-comparison four-element sort.)
1598 if (old_start
> end
)
1600 EDIT_InvalidateText(es
, start
, end
);
1601 EDIT_InvalidateText(es
, old_start
, old_end
);
1605 EDIT_InvalidateText(es
, start
, old_start
);
1606 EDIT_InvalidateText(es
, end
, old_end
);
1609 else EDIT_InvalidateText(es
, start
, old_end
);
1613 /*********************************************************************
1615 * EDIT_UpdateScrollInfo
1618 static void EDIT_UpdateScrollInfo(EDITSTATE
*es
)
1620 if ((es
->style
& WS_VSCROLL
) && !(es
->flags
& EF_VSCROLL_TRACK
))
1623 si
.cbSize
= sizeof(SCROLLINFO
);
1624 si
.fMask
= SIF_PAGE
| SIF_POS
| SIF_RANGE
| SIF_DISABLENOSCROLL
;
1626 si
.nMax
= es
->line_count
- 1;
1627 si
.nPage
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
1628 si
.nPos
= es
->y_offset
;
1629 TRACE("SB_VERT, nMin=%d, nMax=%d, nPage=%d, nPos=%d\n",
1630 si
.nMin
, si
.nMax
, si
.nPage
, si
.nPos
);
1631 SetScrollInfo(es
->hwndSelf
, SB_VERT
, &si
, TRUE
);
1634 if ((es
->style
& WS_HSCROLL
) && !(es
->flags
& EF_HSCROLL_TRACK
))
1637 si
.cbSize
= sizeof(SCROLLINFO
);
1638 si
.fMask
= SIF_PAGE
| SIF_POS
| SIF_RANGE
| SIF_DISABLENOSCROLL
;
1640 si
.nMax
= es
->text_width
- 1;
1641 si
.nPage
= es
->format_rect
.right
- es
->format_rect
.left
;
1642 si
.nPos
= es
->x_offset
;
1643 TRACE("SB_HORZ, nMin=%d, nMax=%d, nPage=%d, nPos=%d\n",
1644 si
.nMin
, si
.nMax
, si
.nPage
, si
.nPos
);
1645 SetScrollInfo(es
->hwndSelf
, SB_HORZ
, &si
, TRUE
);
1650 /*********************************************************************
1652 * EDIT_EM_LineScroll_internal
1654 * Version of EDIT_EM_LineScroll for internal use.
1655 * It doesn't refuse if ES_MULTILINE is set and assumes that
1656 * dx is in pixels, dy - in lines.
1659 static BOOL
EDIT_EM_LineScroll_internal(EDITSTATE
*es
, INT dx
, INT dy
)
1662 INT x_offset_in_pixels
;
1663 INT lines_per_page
= (es
->format_rect
.bottom
- es
->format_rect
.top
) /
1666 if (es
->style
& ES_MULTILINE
)
1668 x_offset_in_pixels
= es
->x_offset
;
1673 x_offset_in_pixels
= (short)LOWORD(EDIT_EM_PosFromChar(es
, es
->x_offset
, FALSE
));
1676 if (-dx
> x_offset_in_pixels
)
1677 dx
= -x_offset_in_pixels
;
1678 if (dx
> es
->text_width
- x_offset_in_pixels
)
1679 dx
= es
->text_width
- x_offset_in_pixels
;
1680 nyoff
= max(0, es
->y_offset
+ dy
);
1681 if (nyoff
>= es
->line_count
- lines_per_page
)
1682 nyoff
= max(0, es
->line_count
- lines_per_page
);
1683 dy
= (es
->y_offset
- nyoff
) * es
->line_height
;
1688 es
->y_offset
= nyoff
;
1689 if(es
->style
& ES_MULTILINE
)
1692 es
->x_offset
+= dx
/ es
->char_width
;
1694 GetClientRect(es
->hwndSelf
, &rc1
);
1695 IntersectRect(&rc
, &rc1
, &es
->format_rect
);
1696 ScrollWindowEx(es
->hwndSelf
, -dx
, dy
,
1697 NULL
, &rc
, NULL
, NULL
, SW_INVALIDATE
);
1698 /* force scroll info update */
1699 EDIT_UpdateScrollInfo(es
);
1701 if (dx
&& !(es
->flags
& EF_HSCROLL_TRACK
))
1702 EDIT_NOTIFY_PARENT(es
, EN_HSCROLL
);
1703 if (dy
&& !(es
->flags
& EF_VSCROLL_TRACK
))
1704 EDIT_NOTIFY_PARENT(es
, EN_VSCROLL
);
1708 /*********************************************************************
1712 * NOTE: dx is in average character widths, dy - in lines;
1715 static BOOL
EDIT_EM_LineScroll(EDITSTATE
*es
, INT dx
, INT dy
)
1717 if (!(es
->style
& ES_MULTILINE
))
1720 dx
*= es
->char_width
;
1721 return EDIT_EM_LineScroll_internal(es
, dx
, dy
);
1725 /*********************************************************************
1730 static LRESULT
EDIT_EM_Scroll(EDITSTATE
*es
, INT action
)
1734 if (!(es
->style
& ES_MULTILINE
))
1735 return (LRESULT
)FALSE
;
1745 if (es
->y_offset
< es
->line_count
- 1)
1750 dy
= -(es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
1753 if (es
->y_offset
< es
->line_count
- 1)
1754 dy
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
1757 return (LRESULT
)FALSE
;
1760 INT vlc
= get_vertical_line_count(es
);
1761 /* check if we are going to move too far */
1762 if(es
->y_offset
+ dy
> es
->line_count
- vlc
)
1763 dy
= max(es
->line_count
- vlc
, 0) - es
->y_offset
;
1765 /* Notification is done in EDIT_EM_LineScroll */
1767 EDIT_EM_LineScroll(es
, 0, dy
);
1768 return MAKELONG(dy
, TRUE
);
1772 return (LRESULT
)FALSE
;
1776 /*********************************************************************
1781 static void EDIT_SetCaretPos(EDITSTATE
*es
, INT pos
,
1784 LRESULT res
= EDIT_EM_PosFromChar(es
, pos
, after_wrap
);
1785 TRACE("%d - %dx%d\n", pos
, (short)LOWORD(res
), (short)HIWORD(res
));
1786 SetCaretPos((short)LOWORD(res
), (short)HIWORD(res
));
1790 /*********************************************************************
1795 static void EDIT_EM_ScrollCaret(EDITSTATE
*es
)
1797 if (es
->style
& ES_MULTILINE
) {
1801 INT cw
= es
->char_width
;
1806 l
= EDIT_EM_LineFromChar(es
, es
->selection_end
);
1807 x
= (short)LOWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
));
1808 vlc
= get_vertical_line_count(es
);
1809 if (l
>= es
->y_offset
+ vlc
)
1810 dy
= l
- vlc
+ 1 - es
->y_offset
;
1811 if (l
< es
->y_offset
)
1812 dy
= l
- es
->y_offset
;
1813 ww
= es
->format_rect
.right
- es
->format_rect
.left
;
1814 if (x
< es
->format_rect
.left
)
1815 dx
= x
- es
->format_rect
.left
- ww
/ HSCROLL_FRACTION
/ cw
* cw
;
1816 if (x
> es
->format_rect
.right
)
1817 dx
= x
- es
->format_rect
.left
- (HSCROLL_FRACTION
- 1) * ww
/ HSCROLL_FRACTION
/ cw
* cw
;
1818 if (dy
|| dx
|| (es
->y_offset
&& (es
->line_count
- es
->y_offset
< vlc
)))
1820 /* check if we are going to move too far */
1821 if(es
->x_offset
+ dx
+ ww
> es
->text_width
)
1822 dx
= es
->text_width
- ww
- es
->x_offset
;
1823 if(dx
|| dy
|| (es
->y_offset
&& (es
->line_count
- es
->y_offset
< vlc
)))
1824 EDIT_EM_LineScroll_internal(es
, dx
, dy
);
1831 x
= (short)LOWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, FALSE
));
1832 format_width
= es
->format_rect
.right
- es
->format_rect
.left
;
1833 if (x
< es
->format_rect
.left
) {
1834 goal
= es
->format_rect
.left
+ format_width
/ HSCROLL_FRACTION
;
1837 x
= (short)LOWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, FALSE
));
1838 } while ((x
< goal
) && es
->x_offset
);
1839 /* FIXME: use ScrollWindow() somehow to improve performance */
1840 EDIT_UpdateText(es
, NULL
, TRUE
);
1841 } else if (x
> es
->format_rect
.right
) {
1843 INT len
= get_text_length(es
);
1844 goal
= es
->format_rect
.right
- format_width
/ HSCROLL_FRACTION
;
1847 x
= (short)LOWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, FALSE
));
1848 x_last
= (short)LOWORD(EDIT_EM_PosFromChar(es
, len
, FALSE
));
1849 } while ((x
> goal
) && (x_last
> es
->format_rect
.right
));
1850 /* FIXME: use ScrollWindow() somehow to improve performance */
1851 EDIT_UpdateText(es
, NULL
, TRUE
);
1855 if(es
->flags
& EF_FOCUSED
)
1856 EDIT_SetCaretPos(es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
);
1860 /*********************************************************************
1865 static void EDIT_MoveBackward(EDITSTATE
*es
, BOOL extend
)
1867 INT e
= es
->selection_end
;
1871 if ((es
->style
& ES_MULTILINE
) && e
&&
1872 (es
->text
[e
- 1] == '\r') && (es
->text
[e
] == '\n')) {
1874 if (e
&& (es
->text
[e
- 1] == '\r'))
1878 EDIT_EM_SetSel(es
, extend
? es
->selection_start
: e
, e
, FALSE
);
1879 EDIT_EM_ScrollCaret(es
);
1883 /*********************************************************************
1887 * Only for multi line controls
1888 * Move the caret one line down, on a column with the nearest
1889 * x coordinate on the screen (might be a different column).
1892 static void EDIT_MoveDown_ML(EDITSTATE
*es
, BOOL extend
)
1894 INT s
= es
->selection_start
;
1895 INT e
= es
->selection_end
;
1896 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
1897 LRESULT pos
= EDIT_EM_PosFromChar(es
, e
, after_wrap
);
1898 INT x
= (short)LOWORD(pos
);
1899 INT y
= (short)HIWORD(pos
);
1901 e
= EDIT_CharFromPos(es
, x
, y
+ es
->line_height
, &after_wrap
);
1904 EDIT_EM_SetSel(es
, s
, e
, after_wrap
);
1905 EDIT_EM_ScrollCaret(es
);
1909 /*********************************************************************
1914 static void EDIT_MoveEnd(EDITSTATE
*es
, BOOL extend
, BOOL ctrl
)
1916 BOOL after_wrap
= FALSE
;
1919 /* Pass a high value in x to make sure of receiving the end of the line */
1920 if (!ctrl
&& (es
->style
& ES_MULTILINE
))
1921 e
= EDIT_CharFromPos(es
, 0x3fffffff,
1922 HIWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
)), &after_wrap
);
1924 e
= get_text_length(es
);
1925 EDIT_EM_SetSel(es
, extend
? es
->selection_start
: e
, e
, after_wrap
);
1926 EDIT_EM_ScrollCaret(es
);
1930 /*********************************************************************
1935 static void EDIT_MoveForward(EDITSTATE
*es
, BOOL extend
)
1937 INT e
= es
->selection_end
;
1941 if ((es
->style
& ES_MULTILINE
) && (es
->text
[e
- 1] == '\r')) {
1942 if (es
->text
[e
] == '\n')
1944 else if ((es
->text
[e
] == '\r') && (es
->text
[e
+ 1] == '\n'))
1948 EDIT_EM_SetSel(es
, extend
? es
->selection_start
: e
, e
, FALSE
);
1949 EDIT_EM_ScrollCaret(es
);
1953 /*********************************************************************
1957 * Home key: move to beginning of line.
1960 static void EDIT_MoveHome(EDITSTATE
*es
, BOOL extend
, BOOL ctrl
)
1964 /* Pass the x_offset in x to make sure of receiving the first position of the line */
1965 if (!ctrl
&& (es
->style
& ES_MULTILINE
))
1966 e
= EDIT_CharFromPos(es
, -es
->x_offset
,
1967 HIWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
)), NULL
);
1970 EDIT_EM_SetSel(es
, extend
? es
->selection_start
: e
, e
, FALSE
);
1971 EDIT_EM_ScrollCaret(es
);
1975 /*********************************************************************
1977 * EDIT_MovePageDown_ML
1979 * Only for multi line controls
1980 * Move the caret one page down, on a column with the nearest
1981 * x coordinate on the screen (might be a different column).
1984 static void EDIT_MovePageDown_ML(EDITSTATE
*es
, BOOL extend
)
1986 INT s
= es
->selection_start
;
1987 INT e
= es
->selection_end
;
1988 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
1989 LRESULT pos
= EDIT_EM_PosFromChar(es
, e
, after_wrap
);
1990 INT x
= (short)LOWORD(pos
);
1991 INT y
= (short)HIWORD(pos
);
1993 e
= EDIT_CharFromPos(es
, x
,
1994 y
+ (es
->format_rect
.bottom
- es
->format_rect
.top
),
1998 EDIT_EM_SetSel(es
, s
, e
, after_wrap
);
1999 EDIT_EM_ScrollCaret(es
);
2003 /*********************************************************************
2005 * EDIT_MovePageUp_ML
2007 * Only for multi line controls
2008 * Move the caret one page up, on a column with the nearest
2009 * x coordinate on the screen (might be a different column).
2012 static void EDIT_MovePageUp_ML(EDITSTATE
*es
, BOOL extend
)
2014 INT s
= es
->selection_start
;
2015 INT e
= es
->selection_end
;
2016 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
2017 LRESULT pos
= EDIT_EM_PosFromChar(es
, e
, after_wrap
);
2018 INT x
= (short)LOWORD(pos
);
2019 INT y
= (short)HIWORD(pos
);
2021 e
= EDIT_CharFromPos(es
, x
,
2022 y
- (es
->format_rect
.bottom
- es
->format_rect
.top
),
2026 EDIT_EM_SetSel(es
, s
, e
, after_wrap
);
2027 EDIT_EM_ScrollCaret(es
);
2031 /*********************************************************************
2035 * Only for multi line controls
2036 * Move the caret one line up, on a column with the nearest
2037 * x coordinate on the screen (might be a different column).
2040 static void EDIT_MoveUp_ML(EDITSTATE
*es
, BOOL extend
)
2042 INT s
= es
->selection_start
;
2043 INT e
= es
->selection_end
;
2044 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
2045 LRESULT pos
= EDIT_EM_PosFromChar(es
, e
, after_wrap
);
2046 INT x
= (short)LOWORD(pos
);
2047 INT y
= (short)HIWORD(pos
);
2049 e
= EDIT_CharFromPos(es
, x
, y
- es
->line_height
, &after_wrap
);
2052 EDIT_EM_SetSel(es
, s
, e
, after_wrap
);
2053 EDIT_EM_ScrollCaret(es
);
2057 /*********************************************************************
2059 * EDIT_MoveWordBackward
2062 static void EDIT_MoveWordBackward(EDITSTATE
*es
, BOOL extend
)
2064 INT s
= es
->selection_start
;
2065 INT e
= es
->selection_end
;
2070 l
= EDIT_EM_LineFromChar(es
, e
);
2071 ll
= EDIT_EM_LineLength(es
, e
);
2072 li
= EDIT_EM_LineIndex(es
, l
);
2075 li
= EDIT_EM_LineIndex(es
, l
- 1);
2076 e
= li
+ EDIT_EM_LineLength(es
, li
);
2079 e
= li
+ EDIT_CallWordBreakProc(es
, li
, e
- li
, ll
, WB_LEFT
);
2083 EDIT_EM_SetSel(es
, s
, e
, FALSE
);
2084 EDIT_EM_ScrollCaret(es
);
2088 /*********************************************************************
2090 * EDIT_MoveWordForward
2093 static void EDIT_MoveWordForward(EDITSTATE
*es
, BOOL extend
)
2095 INT s
= es
->selection_start
;
2096 INT e
= es
->selection_end
;
2101 l
= EDIT_EM_LineFromChar(es
, e
);
2102 ll
= EDIT_EM_LineLength(es
, e
);
2103 li
= EDIT_EM_LineIndex(es
, l
);
2105 if ((es
->style
& ES_MULTILINE
) && (l
!= es
->line_count
- 1))
2106 e
= EDIT_EM_LineIndex(es
, l
+ 1);
2108 e
= li
+ EDIT_CallWordBreakProc(es
,
2109 li
, e
- li
+ 1, ll
, WB_RIGHT
);
2113 EDIT_EM_SetSel(es
, s
, e
, FALSE
);
2114 EDIT_EM_ScrollCaret(es
);
2118 /*********************************************************************
2123 static INT
EDIT_PaintText(EDITSTATE
*es
, HDC dc
, INT x
, INT y
, INT line
, INT col
, INT count
, BOOL rev
)
2127 LOGFONTW underline_font
;
2128 HFONT hUnderline
= 0;
2137 BkMode
= GetBkMode(dc
);
2138 BkColor
= GetBkColor(dc
);
2139 TextColor
= GetTextColor(dc
);
2141 if (es
->composition_len
== 0)
2143 SetBkColor(dc
, GetSysColor(COLOR_HIGHLIGHT
));
2144 SetTextColor(dc
, GetSysColor(COLOR_HIGHLIGHTTEXT
));
2145 SetBkMode( dc
, OPAQUE
);
2149 HFONT current
= GetCurrentObject(dc
,OBJ_FONT
);
2150 GetObjectW(current
,sizeof(LOGFONTW
),&underline_font
);
2151 underline_font
.lfUnderline
= TRUE
;
2152 hUnderline
= CreateFontIndirectW(&underline_font
);
2153 old_font
= SelectObject(dc
,hUnderline
);
2156 li
= EDIT_EM_LineIndex(es
, line
);
2157 if (es
->style
& ES_MULTILINE
) {
2158 ret
= (INT
)LOWORD(TabbedTextOutW(dc
, x
, y
, es
->text
+ li
+ col
, count
,
2159 es
->tabs_count
, es
->tabs
, es
->format_rect
.left
- es
->x_offset
));
2161 LPWSTR text
= es
->text
;
2162 TextOutW(dc
, x
, y
, text
+ li
+ col
, count
);
2163 GetTextExtentPoint32W(dc
, text
+ li
+ col
, count
, &size
);
2165 if (es
->style
& ES_PASSWORD
)
2166 HeapFree(GetProcessHeap(), 0, text
);
2169 if (es
->composition_len
== 0)
2171 SetBkColor(dc
, BkColor
);
2172 SetTextColor(dc
, TextColor
);
2173 SetBkMode( dc
, BkMode
);
2178 SelectObject(dc
,old_font
);
2180 DeleteObject(hUnderline
);
2187 /*********************************************************************
2192 static void EDIT_PaintLine(EDITSTATE
*es
, HDC dc
, INT line
, BOOL rev
)
2201 SCRIPT_STRING_ANALYSIS ssa
;
2203 if (es
->style
& ES_MULTILINE
) {
2204 INT vlc
= get_vertical_line_count(es
);
2206 if ((line
< es
->y_offset
) || (line
> es
->y_offset
+ vlc
) || (line
>= es
->line_count
))
2211 TRACE("line=%d\n", line
);
2213 ssa
= EDIT_UpdateUniscribeData(es
, dc
, line
);
2214 pos
= EDIT_EM_PosFromChar(es
, EDIT_EM_LineIndex(es
, line
), FALSE
);
2215 x
= (short)LOWORD(pos
);
2216 y
= (short)HIWORD(pos
);
2218 if (es
->style
& ES_MULTILINE
)
2220 int line_idx
= line
;
2222 if (es
->style
& ES_RIGHT
|| es
->style
& ES_CENTER
)
2224 LINEDEF
*line_def
= es
->first_line_def
;
2227 while (line_def
&& line_idx
)
2229 line_def
= line_def
->next
;
2232 w
= es
->format_rect
.right
- es
->format_rect
.left
;
2233 lw
= line_def
->width
;
2235 if (es
->style
& ES_RIGHT
)
2237 else if (es
->style
& ES_CENTER
)
2240 x
+= es
->format_rect
.left
;
2245 li
= EDIT_EM_LineIndex(es
, line
);
2246 ll
= EDIT_EM_LineLength(es
, li
);
2247 s
= min(es
->selection_start
, es
->selection_end
);
2248 e
= max(es
->selection_start
, es
->selection_end
);
2249 s
= min(li
+ ll
, max(li
, s
));
2250 e
= min(li
+ ll
, max(li
, e
));
2254 ScriptStringOut(ssa
, x
, y
, 0, &es
->format_rect
, s
- li
, e
- li
, FALSE
);
2255 else if (rev
&& (s
!= e
) &&
2256 ((es
->flags
& EF_FOCUSED
) || (es
->style
& ES_NOHIDESEL
))) {
2257 x
+= EDIT_PaintText(es
, dc
, x
, y
, line
, 0, s
- li
, FALSE
);
2258 x
+= EDIT_PaintText(es
, dc
, x
, y
, line
, s
- li
, e
- s
, TRUE
);
2259 x
+= EDIT_PaintText(es
, dc
, x
, y
, line
, e
- li
, li
+ ll
- e
, FALSE
);
2261 x
+= EDIT_PaintText(es
, dc
, x
, y
, line
, 0, ll
, FALSE
);
2265 /*********************************************************************
2267 * EDIT_AdjustFormatRect
2269 * Adjusts the format rectangle for the current font and the
2270 * current client rectangle.
2273 static void EDIT_AdjustFormatRect(EDITSTATE
*es
)
2277 es
->format_rect
.right
= max(es
->format_rect
.right
, es
->format_rect
.left
+ es
->char_width
);
2278 if (es
->style
& ES_MULTILINE
)
2280 INT fw
, vlc
, max_x_offset
, max_y_offset
;
2282 vlc
= get_vertical_line_count(es
);
2283 es
->format_rect
.bottom
= es
->format_rect
.top
+ vlc
* es
->line_height
;
2285 /* correct es->x_offset */
2286 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
2287 max_x_offset
= es
->text_width
- fw
;
2288 if(max_x_offset
< 0) max_x_offset
= 0;
2289 if(es
->x_offset
> max_x_offset
)
2290 es
->x_offset
= max_x_offset
;
2292 /* correct es->y_offset */
2293 max_y_offset
= es
->line_count
- vlc
;
2294 if(max_y_offset
< 0) max_y_offset
= 0;
2295 if(es
->y_offset
> max_y_offset
)
2296 es
->y_offset
= max_y_offset
;
2298 /* force scroll info update */
2299 EDIT_UpdateScrollInfo(es
);
2302 /* Windows doesn't care to fix text placement for SL controls */
2303 es
->format_rect
.bottom
= es
->format_rect
.top
+ es
->line_height
;
2305 /* Always stay within the client area */
2306 GetClientRect(es
->hwndSelf
, &ClientRect
);
2307 es
->format_rect
.bottom
= min(es
->format_rect
.bottom
, ClientRect
.bottom
);
2309 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_AUTOHSCROLL
))
2310 EDIT_BuildLineDefs_ML(es
, 0, get_text_length(es
), 0, NULL
);
2312 EDIT_SetCaretPos(es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
);
2316 /*********************************************************************
2320 * note: this is not (exactly) the handler called on EM_SETRECTNP
2321 * it is also used to set the rect of a single line control
2324 static void EDIT_SetRectNP(EDITSTATE
*es
, const RECT
*rc
)
2328 ExStyle
= GetWindowLongPtrW(es
->hwndSelf
, GWL_EXSTYLE
);
2330 CopyRect(&es
->format_rect
, rc
);
2332 if (ExStyle
& WS_EX_CLIENTEDGE
) {
2333 es
->format_rect
.left
++;
2334 es
->format_rect
.right
--;
2336 if (es
->format_rect
.bottom
- es
->format_rect
.top
2337 >= es
->line_height
+ 2)
2339 es
->format_rect
.top
++;
2340 es
->format_rect
.bottom
--;
2343 else if (es
->style
& WS_BORDER
) {
2344 bw
= GetSystemMetrics(SM_CXBORDER
) + 1;
2345 bh
= GetSystemMetrics(SM_CYBORDER
) + 1;
2346 es
->format_rect
.left
+= bw
;
2347 es
->format_rect
.right
-= bw
;
2348 if (es
->format_rect
.bottom
- es
->format_rect
.top
2349 >= es
->line_height
+ 2 * bh
)
2351 es
->format_rect
.top
+= bh
;
2352 es
->format_rect
.bottom
-= bh
;
2356 es
->format_rect
.left
+= es
->left_margin
;
2357 es
->format_rect
.right
-= es
->right_margin
;
2358 EDIT_AdjustFormatRect(es
);
2362 /*********************************************************************
2366 * returns line number (not index) in high-order word of result.
2367 * NB : Q137805 is unclear about this. POINT * pointer in lParam apply
2368 * to Richedit, not to the edit control. Original documentation is valid.
2369 * FIXME: do the specs mean to return -1 if outside client area or
2370 * if outside formatting rectangle ???
2373 static LRESULT
EDIT_EM_CharFromPos(EDITSTATE
*es
, INT x
, INT y
)
2381 GetClientRect(es
->hwndSelf
, &rc
);
2382 if (!PtInRect(&rc
, pt
))
2385 index
= EDIT_CharFromPos(es
, x
, y
, NULL
);
2386 return MAKELONG(index
, EDIT_EM_LineFromChar(es
, index
));
2390 /*********************************************************************
2394 * Enable or disable soft breaks.
2396 * This means: insert or remove the soft linebreak character (\r\r\n).
2397 * Take care to check if the text still fits the buffer after insertion.
2398 * If not, notify with EN_ERRSPACE.
2401 static BOOL
EDIT_EM_FmtLines(EDITSTATE
*es
, BOOL add_eol
)
2403 es
->flags
&= ~EF_USE_SOFTBRK
;
2405 es
->flags
|= EF_USE_SOFTBRK
;
2406 FIXME("soft break enabled, not implemented\n");
2412 /*********************************************************************
2416 * Hopefully this won't fire back at us.
2417 * We always start with a fixed buffer in the local heap.
2418 * Despite of the documentation says that the local heap is used
2419 * only if DS_LOCALEDIT flag is set, NT and 2000 always allocate
2420 * buffer on the local heap.
2423 static HLOCAL
EDIT_EM_GetHandle(EDITSTATE
*es
)
2427 if (!(es
->style
& ES_MULTILINE
))
2431 hLocal
= es
->hloc32W
;
2437 UINT countA
, alloc_size
;
2438 TRACE("Allocating 32-bit ANSI alias buffer\n");
2439 countA
= WideCharToMultiByte(CP_ACP
, 0, es
->text
, -1, NULL
, 0, NULL
, NULL
);
2440 alloc_size
= ROUND_TO_GROW(countA
);
2441 if(!(es
->hloc32A
= LocalAlloc(LMEM_MOVEABLE
| LMEM_ZEROINIT
, alloc_size
)))
2443 ERR("Could not allocate %d bytes for 32-bit ANSI alias buffer\n", alloc_size
);
2446 textA
= LocalLock(es
->hloc32A
);
2447 WideCharToMultiByte(CP_ACP
, 0, es
->text
, -1, textA
, countA
, NULL
, NULL
);
2448 LocalUnlock(es
->hloc32A
);
2450 hLocal
= es
->hloc32A
;
2453 es
->flags
|= EF_APP_HAS_HANDLE
;
2454 TRACE("Returning %p, LocalSize() = %ld\n", hLocal
, LocalSize(hLocal
));
2459 /*********************************************************************
2464 static INT
EDIT_EM_GetLine(EDITSTATE
*es
, INT line
, LPWSTR dst
, BOOL unicode
)
2467 INT line_len
, dst_len
;
2470 if (es
->style
& ES_MULTILINE
) {
2471 if (line
>= es
->line_count
)
2475 i
= EDIT_EM_LineIndex(es
, line
);
2477 line_len
= EDIT_EM_LineLength(es
, i
);
2478 dst_len
= *(WORD
*)dst
;
2481 if(dst_len
<= line_len
)
2483 memcpy(dst
, src
, dst_len
* sizeof(WCHAR
));
2486 else /* Append 0 if enough space */
2488 memcpy(dst
, src
, line_len
* sizeof(WCHAR
));
2495 INT ret
= WideCharToMultiByte(CP_ACP
, 0, src
, line_len
, (LPSTR
)dst
, dst_len
, NULL
, NULL
);
2496 if(!ret
&& line_len
) /* Insufficient buffer size */
2498 if(ret
< dst_len
) /* Append 0 if enough space */
2499 ((LPSTR
)dst
)[ret
] = 0;
2505 /*********************************************************************
2510 static LRESULT
EDIT_EM_GetSel(const EDITSTATE
*es
, PUINT start
, PUINT end
)
2512 UINT s
= es
->selection_start
;
2513 UINT e
= es
->selection_end
;
2520 return MAKELONG(s
, e
);
2524 /*********************************************************************
2528 * FIXME: handle ES_NUMBER and ES_OEMCONVERT here
2531 static void EDIT_EM_ReplaceSel(EDITSTATE
*es
, BOOL can_undo
, LPCWSTR lpsz_replace
, BOOL send_update
, BOOL honor_limit
)
2533 UINT strl
= strlenW(lpsz_replace
);
2534 UINT tl
= get_text_length(es
);
2545 TRACE("%s, can_undo %d, send_update %d\n",
2546 debugstr_w(lpsz_replace
), can_undo
, send_update
);
2548 s
= es
->selection_start
;
2549 e
= es
->selection_end
;
2551 EDIT_InvalidateUniscribeData(es
);
2552 if ((s
== e
) && !strl
)
2557 size
= tl
- (e
- s
) + strl
;
2561 /* Issue the EN_MAXTEXT notification and continue with replacing text
2562 * such that buffer limit is honored. */
2563 if ((honor_limit
) && (size
> es
->buffer_limit
)) {
2564 EDIT_NOTIFY_PARENT(es
, EN_MAXTEXT
);
2565 /* Buffer limit can be smaller than the actual length of text in combobox */
2566 if (es
->buffer_limit
< (tl
- (e
-s
)))
2569 strl
= es
->buffer_limit
- (tl
- (e
-s
));
2572 if (!EDIT_MakeFit(es
, tl
- (e
- s
) + strl
))
2576 /* there is something to be deleted */
2577 TRACE("deleting stuff.\n");
2579 buf
= HeapAlloc(GetProcessHeap(), 0, (bufl
+ 1) * sizeof(WCHAR
));
2581 memcpy(buf
, es
->text
+ s
, bufl
* sizeof(WCHAR
));
2582 buf
[bufl
] = 0; /* ensure 0 termination */
2584 strcpyW(es
->text
+ s
, es
->text
+ e
);
2585 text_buffer_changed(es
);
2588 /* there is an insertion */
2589 tl
= get_text_length(es
);
2590 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
));
2591 for (p
= es
->text
+ tl
; p
>= es
->text
+ s
; p
--)
2593 for (i
= 0 , p
= es
->text
+ s
; i
< strl
; i
++)
2594 p
[i
] = lpsz_replace
[i
];
2595 if(es
->style
& ES_UPPERCASE
)
2596 CharUpperBuffW(p
, strl
);
2597 else if(es
->style
& ES_LOWERCASE
)
2598 CharLowerBuffW(p
, strl
);
2599 text_buffer_changed(es
);
2601 if (es
->style
& ES_MULTILINE
)
2603 INT st
= min(es
->selection_start
, es
->selection_end
);
2604 INT vlc
= get_vertical_line_count(es
);
2606 hrgn
= CreateRectRgn(0, 0, 0, 0);
2607 EDIT_BuildLineDefs_ML(es
, st
, st
+ strl
,
2608 strl
- abs(es
->selection_end
- es
->selection_start
), hrgn
);
2609 /* if text is too long undo all changes */
2610 if (honor_limit
&& !(es
->style
& ES_AUTOVSCROLL
) && (es
->line_count
> vlc
)) {
2612 strcpyW(es
->text
+ e
, es
->text
+ e
+ strl
);
2614 for (i
= 0 , p
= es
->text
; i
< e
- s
; i
++)
2616 text_buffer_changed(es
);
2617 EDIT_BuildLineDefs_ML(es
, s
, e
,
2618 abs(es
->selection_end
- es
->selection_start
) - strl
, hrgn
);
2621 hrgn
= CreateRectRgn(0, 0, 0, 0);
2622 EDIT_NOTIFY_PARENT(es
, EN_MAXTEXT
);
2626 INT fw
= es
->format_rect
.right
- es
->format_rect
.left
;
2627 EDIT_InvalidateUniscribeData(es
);
2628 EDIT_CalcLineWidth_SL(es
);
2629 /* remove chars that don't fit */
2630 if (honor_limit
&& !(es
->style
& ES_AUTOHSCROLL
) && (es
->text_width
> fw
)) {
2631 while ((es
->text_width
> fw
) && s
+ strl
>= s
) {
2632 strcpyW(es
->text
+ s
+ strl
- 1, es
->text
+ s
+ strl
);
2634 es
->text_length
= -1;
2635 EDIT_InvalidateUniscribeData(es
);
2636 EDIT_CalcLineWidth_SL(es
);
2638 text_buffer_changed(es
);
2639 EDIT_NOTIFY_PARENT(es
, EN_MAXTEXT
);
2645 utl
= strlenW(es
->undo_text
);
2646 if (!es
->undo_insert_count
&& (*es
->undo_text
&& (s
== es
->undo_position
))) {
2647 /* undo-buffer is extended to the right */
2648 EDIT_MakeUndoFit(es
, utl
+ e
- s
);
2649 memcpy(es
->undo_text
+ utl
, buf
, (e
- s
)*sizeof(WCHAR
));
2650 (es
->undo_text
+ utl
)[e
- s
] = 0; /* ensure 0 termination */
2651 } else if (!es
->undo_insert_count
&& (*es
->undo_text
&& (e
== es
->undo_position
))) {
2652 /* undo-buffer is extended to the left */
2653 EDIT_MakeUndoFit(es
, utl
+ e
- s
);
2654 for (p
= es
->undo_text
+ utl
; p
>= es
->undo_text
; p
--)
2656 for (i
= 0 , p
= es
->undo_text
; i
< e
- s
; i
++)
2658 es
->undo_position
= s
;
2660 /* new undo-buffer */
2661 EDIT_MakeUndoFit(es
, e
- s
);
2662 memcpy(es
->undo_text
, buf
, (e
- s
)*sizeof(WCHAR
));
2663 es
->undo_text
[e
- s
] = 0; /* ensure 0 termination */
2664 es
->undo_position
= s
;
2666 /* any deletion makes the old insertion-undo invalid */
2667 es
->undo_insert_count
= 0;
2669 EDIT_EM_EmptyUndoBuffer(es
);
2673 if ((s
== es
->undo_position
) ||
2674 ((es
->undo_insert_count
) &&
2675 (s
== es
->undo_position
+ es
->undo_insert_count
)))
2677 * insertion is new and at delete position or
2678 * an extension to either left or right
2680 es
->undo_insert_count
+= strl
;
2682 /* new insertion undo */
2683 es
->undo_position
= s
;
2684 es
->undo_insert_count
= strl
;
2685 /* new insertion makes old delete-buffer invalid */
2686 *es
->undo_text
= '\0';
2689 EDIT_EM_EmptyUndoBuffer(es
);
2693 HeapFree(GetProcessHeap(), 0, buf
);
2697 /* If text has been deleted and we're right or center aligned then scroll rightward */
2698 if (es
->style
& (ES_RIGHT
| ES_CENTER
))
2700 INT delta
= strl
- abs(es
->selection_end
- es
->selection_start
);
2702 if (delta
< 0 && es
->x_offset
)
2704 if (abs(delta
) > es
->x_offset
)
2707 es
->x_offset
+= delta
;
2711 EDIT_EM_SetSel(es
, s
, s
, FALSE
);
2712 es
->flags
|= EF_MODIFIED
;
2713 if (send_update
) es
->flags
|= EF_UPDATE
;
2716 EDIT_UpdateTextRegion(es
, hrgn
, TRUE
);
2720 EDIT_UpdateText(es
, NULL
, TRUE
);
2722 EDIT_EM_ScrollCaret(es
);
2724 /* force scroll info update */
2725 EDIT_UpdateScrollInfo(es
);
2728 if(send_update
|| (es
->flags
& EF_UPDATE
))
2730 es
->flags
&= ~EF_UPDATE
;
2731 EDIT_NOTIFY_PARENT(es
, EN_CHANGE
);
2733 EDIT_InvalidateUniscribeData(es
);
2737 /*********************************************************************
2741 * FIXME: ES_LOWERCASE, ES_UPPERCASE, ES_OEMCONVERT, ES_NUMBER ???
2744 static void EDIT_EM_SetHandle(EDITSTATE
*es
, HLOCAL hloc
)
2746 if (!(es
->style
& ES_MULTILINE
))
2750 WARN("called with NULL handle\n");
2754 EDIT_UnlockBuffer(es
, TRUE
);
2760 LocalFree(es
->hloc32A
);
2772 countA
= LocalSize(hloc
);
2773 textA
= LocalLock(hloc
);
2774 countW
= MultiByteToWideChar(CP_ACP
, 0, textA
, countA
, NULL
, 0);
2775 if(!(hloc32W_new
= LocalAlloc(LMEM_MOVEABLE
| LMEM_ZEROINIT
, countW
* sizeof(WCHAR
))))
2777 ERR("Could not allocate new unicode buffer\n");
2780 textW
= LocalLock(hloc32W_new
);
2781 MultiByteToWideChar(CP_ACP
, 0, textA
, countA
, textW
, countW
);
2782 LocalUnlock(hloc32W_new
);
2786 LocalFree(es
->hloc32W
);
2788 es
->hloc32W
= hloc32W_new
;
2792 es
->buffer_size
= LocalSize(es
->hloc32W
)/sizeof(WCHAR
) - 1;
2794 es
->flags
|= EF_APP_HAS_HANDLE
;
2795 EDIT_LockBuffer(es
);
2797 es
->x_offset
= es
->y_offset
= 0;
2798 es
->selection_start
= es
->selection_end
= 0;
2799 EDIT_EM_EmptyUndoBuffer(es
);
2800 es
->flags
&= ~EF_MODIFIED
;
2801 es
->flags
&= ~EF_UPDATE
;
2802 EDIT_BuildLineDefs_ML(es
, 0, get_text_length(es
), 0, NULL
);
2803 EDIT_UpdateText(es
, NULL
, TRUE
);
2804 EDIT_EM_ScrollCaret(es
);
2805 /* force scroll info update */
2806 EDIT_UpdateScrollInfo(es
);
2810 /*********************************************************************
2814 * NOTE: this version currently implements WinNT limits
2817 static void EDIT_EM_SetLimitText(EDITSTATE
*es
, UINT limit
)
2819 if (!limit
) limit
= ~0u;
2820 if (!(es
->style
& ES_MULTILINE
)) limit
= min(limit
, 0x7ffffffe);
2821 es
->buffer_limit
= limit
;
2825 /*********************************************************************
2829 * EC_USEFONTINFO is used as a left or right value i.e. lParam and not as an
2830 * action wParam despite what the docs say. EC_USEFONTINFO calculates the
2831 * margin according to the textmetrics of the current font.
2833 * FIXME - With TrueType or vector fonts EC_USEFONTINFO currently sets one third
2834 * of the char's width as the margin, but this is not how Windows handles this.
2835 * For all other fonts Windows sets the margins to zero.
2837 * FIXME - When EC_USEFONTINFO is used the margins only change if the
2838 * edit control is equal to or larger than a certain size.
2839 * Interestingly if one subtracts both the left and right margins from
2840 * this size one always seems to get an even number. The extents of
2841 * the (four character) string "'**'" match this quite closely, so
2842 * we'll use this until we come up with a better idea.
2844 static int calc_min_set_margin_size(HDC dc
, INT left
, INT right
)
2846 WCHAR magic_string
[] = {'\'','*','*','\'', 0};
2849 GetTextExtentPointW(dc
, magic_string
, sizeof(magic_string
)/sizeof(WCHAR
) - 1, &sz
);
2850 return sz
.cx
+ left
+ right
;
2853 static void EDIT_EM_SetMargins(EDITSTATE
*es
, INT action
,
2854 WORD left
, WORD right
, BOOL repaint
)
2857 INT default_left_margin
= 0; /* in pixels */
2858 INT default_right_margin
= 0; /* in pixels */
2860 /* Set the default margins depending on the font */
2861 if (es
->font
&& (left
== EC_USEFONTINFO
|| right
== EC_USEFONTINFO
)) {
2862 HDC dc
= GetDC(es
->hwndSelf
);
2863 HFONT old_font
= SelectObject(dc
, es
->font
);
2864 GetTextMetricsW(dc
, &tm
);
2865 /* The default margins are only non zero for TrueType or Vector fonts */
2866 if (tm
.tmPitchAndFamily
& ( TMPF_VECTOR
| TMPF_TRUETYPE
)) {
2869 /* This must be calculated more exactly! But how? */
2870 default_left_margin
= tm
.tmAveCharWidth
/ 2;
2871 default_right_margin
= tm
.tmAveCharWidth
/ 2;
2872 min_size
= calc_min_set_margin_size(dc
, default_left_margin
, default_right_margin
);
2873 GetClientRect(es
->hwndSelf
, &rc
);
2874 if(rc
.right
- rc
.left
< min_size
) {
2875 default_left_margin
= es
->left_margin
;
2876 default_right_margin
= es
->right_margin
;
2879 SelectObject(dc
, old_font
);
2880 ReleaseDC(es
->hwndSelf
, dc
);
2883 if (action
& EC_LEFTMARGIN
) {
2884 es
->format_rect
.left
-= es
->left_margin
;
2885 if (left
!= EC_USEFONTINFO
)
2886 es
->left_margin
= left
;
2888 es
->left_margin
= default_left_margin
;
2889 es
->format_rect
.left
+= es
->left_margin
;
2892 if (action
& EC_RIGHTMARGIN
) {
2893 es
->format_rect
.right
+= es
->right_margin
;
2894 if (right
!= EC_USEFONTINFO
)
2895 es
->right_margin
= right
;
2897 es
->right_margin
= default_right_margin
;
2898 es
->format_rect
.right
-= es
->right_margin
;
2901 if (action
& (EC_LEFTMARGIN
| EC_RIGHTMARGIN
)) {
2902 EDIT_AdjustFormatRect(es
);
2903 if (repaint
) EDIT_UpdateText(es
, NULL
, TRUE
);
2906 TRACE("left=%d, right=%d\n", es
->left_margin
, es
->right_margin
);
2910 /*********************************************************************
2912 * EM_SETPASSWORDCHAR
2915 static void EDIT_EM_SetPasswordChar(EDITSTATE
*es
, WCHAR c
)
2919 if (es
->style
& ES_MULTILINE
)
2922 if (es
->password_char
== c
)
2925 style
= GetWindowLongW( es
->hwndSelf
, GWL_STYLE
);
2926 es
->password_char
= c
;
2928 SetWindowLongW( es
->hwndSelf
, GWL_STYLE
, style
| ES_PASSWORD
);
2929 es
->style
|= ES_PASSWORD
;
2931 SetWindowLongW( es
->hwndSelf
, GWL_STYLE
, style
& ~ES_PASSWORD
);
2932 es
->style
&= ~ES_PASSWORD
;
2934 EDIT_InvalidateUniscribeData(es
);
2935 EDIT_UpdateText(es
, NULL
, TRUE
);
2939 /*********************************************************************
2944 static BOOL
EDIT_EM_SetTabStops(EDITSTATE
*es
, INT count
, const INT
*tabs
)
2946 if (!(es
->style
& ES_MULTILINE
))
2948 HeapFree(GetProcessHeap(), 0, es
->tabs
);
2949 es
->tabs_count
= count
;
2953 es
->tabs
= HeapAlloc(GetProcessHeap(), 0, count
* sizeof(INT
));
2954 memcpy(es
->tabs
, tabs
, count
* sizeof(INT
));
2956 EDIT_InvalidateUniscribeData(es
);
2961 /*********************************************************************
2963 * EM_SETWORDBREAKPROC
2966 static void EDIT_EM_SetWordBreakProc(EDITSTATE
*es
, void *wbp
)
2968 if (es
->word_break_proc
== wbp
)
2971 es
->word_break_proc
= wbp
;
2973 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_AUTOHSCROLL
)) {
2974 EDIT_BuildLineDefs_ML(es
, 0, get_text_length(es
), 0, NULL
);
2975 EDIT_UpdateText(es
, NULL
, TRUE
);
2980 /*********************************************************************
2985 static BOOL
EDIT_EM_Undo(EDITSTATE
*es
)
2990 /* As per MSDN spec, for a single-line edit control,
2991 the return value is always TRUE */
2992 if( es
->style
& ES_READONLY
)
2993 return !(es
->style
& ES_MULTILINE
);
2995 ulength
= strlenW(es
->undo_text
);
2997 utext
= HeapAlloc(GetProcessHeap(), 0, (ulength
+ 1) * sizeof(WCHAR
));
2999 strcpyW(utext
, es
->undo_text
);
3001 TRACE("before UNDO:insertion length = %d, deletion buffer = %s\n",
3002 es
->undo_insert_count
, debugstr_w(utext
));
3004 EDIT_EM_SetSel(es
, es
->undo_position
, es
->undo_position
+ es
->undo_insert_count
, FALSE
);
3005 EDIT_EM_EmptyUndoBuffer(es
);
3006 EDIT_EM_ReplaceSel(es
, TRUE
, utext
, TRUE
, TRUE
);
3007 EDIT_EM_SetSel(es
, es
->undo_position
, es
->undo_position
+ es
->undo_insert_count
, FALSE
);
3008 /* send the notification after the selection start and end are set */
3009 EDIT_NOTIFY_PARENT(es
, EN_CHANGE
);
3010 EDIT_EM_ScrollCaret(es
);
3011 HeapFree(GetProcessHeap(), 0, utext
);
3013 TRACE("after UNDO:insertion length = %d, deletion buffer = %s\n",
3014 es
->undo_insert_count
, debugstr_w(es
->undo_text
));
3019 /* Helper function for WM_CHAR
3021 * According to an MSDN blog article titled "Just because you're a control
3022 * doesn't mean that you're necessarily inside a dialog box," multiline edit
3023 * controls without ES_WANTRETURN would attempt to detect whether it is inside
3024 * a dialog box or not.
3026 static inline BOOL
EDIT_IsInsideDialog(EDITSTATE
*es
)
3028 return (es
->flags
& EF_DIALOGMODE
);
3032 /*********************************************************************
3037 static void EDIT_WM_Paste(EDITSTATE
*es
)
3042 /* Protect read-only edit control from modification */
3043 if(es
->style
& ES_READONLY
)
3046 OpenClipboard(es
->hwndSelf
);
3047 if ((hsrc
= GetClipboardData(CF_UNICODETEXT
))) {
3048 src
= GlobalLock(hsrc
);
3049 EDIT_EM_ReplaceSel(es
, TRUE
, src
, TRUE
, TRUE
);
3052 else if (es
->style
& ES_PASSWORD
) {
3053 /* clear selected text in password edit box even with empty clipboard */
3054 EDIT_EM_ReplaceSel(es
, TRUE
, empty_stringW
, TRUE
, TRUE
);
3060 /*********************************************************************
3065 static void EDIT_WM_Copy(EDITSTATE
*es
)
3067 INT s
= min(es
->selection_start
, es
->selection_end
);
3068 INT e
= max(es
->selection_start
, es
->selection_end
);
3076 hdst
= GlobalAlloc(GMEM_MOVEABLE
| GMEM_DDESHARE
, (len
+ 1) * sizeof(WCHAR
));
3077 dst
= GlobalLock(hdst
);
3078 memcpy(dst
, es
->text
+ s
, len
* sizeof(WCHAR
));
3079 dst
[len
] = 0; /* ensure 0 termination */
3080 TRACE("%s\n", debugstr_w(dst
));
3082 OpenClipboard(es
->hwndSelf
);
3084 SetClipboardData(CF_UNICODETEXT
, hdst
);
3089 /*********************************************************************
3094 static inline void EDIT_WM_Clear(EDITSTATE
*es
)
3096 /* Protect read-only edit control from modification */
3097 if(es
->style
& ES_READONLY
)
3100 EDIT_EM_ReplaceSel(es
, TRUE
, empty_stringW
, TRUE
, TRUE
);
3104 /*********************************************************************
3109 static inline void EDIT_WM_Cut(EDITSTATE
*es
)
3116 /*********************************************************************
3121 static LRESULT
EDIT_WM_Char(EDITSTATE
*es
, WCHAR c
)
3125 control
= GetKeyState(VK_CONTROL
) & 0x8000;
3129 /* If it's not a multiline edit box, it would be ignored below.
3130 * For multiline edit without ES_WANTRETURN, we have to make a
3133 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_WANTRETURN
))
3134 if (EDIT_IsInsideDialog(es
))
3137 if (es
->style
& ES_MULTILINE
) {
3138 if (es
->style
& ES_READONLY
) {
3139 EDIT_MoveHome(es
, FALSE
, FALSE
);
3140 EDIT_MoveDown_ML(es
, FALSE
);
3142 static const WCHAR cr_lfW
[] = {'\r','\n',0};
3143 EDIT_EM_ReplaceSel(es
, TRUE
, cr_lfW
, TRUE
, TRUE
);
3148 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_READONLY
))
3150 static const WCHAR tabW
[] = {'\t',0};
3151 if (EDIT_IsInsideDialog(es
))
3153 EDIT_EM_ReplaceSel(es
, TRUE
, tabW
, TRUE
, TRUE
);
3157 if (!(es
->style
& ES_READONLY
) && !control
) {
3158 if (es
->selection_start
!= es
->selection_end
)
3161 /* delete character left of caret */
3162 EDIT_EM_SetSel(es
, (UINT
)-1, 0, FALSE
);
3163 EDIT_MoveBackward(es
, TRUE
);
3169 if (!(es
->style
& ES_PASSWORD
))
3170 SendMessageW(es
->hwndSelf
, WM_COPY
, 0, 0);
3173 if (!(es
->style
& ES_READONLY
))
3174 SendMessageW(es
->hwndSelf
, WM_PASTE
, 0, 0);
3177 if (!((es
->style
& ES_READONLY
) || (es
->style
& ES_PASSWORD
)))
3178 SendMessageW(es
->hwndSelf
, WM_CUT
, 0, 0);
3181 if (!(es
->style
& ES_READONLY
))
3182 SendMessageW(es
->hwndSelf
, WM_UNDO
, 0, 0);
3186 /*If Edit control style is ES_NUMBER allow users to key in only numeric values*/
3187 if( (es
->style
& ES_NUMBER
) && !( c
>= '0' && c
<= '9') )
3190 if (!(es
->style
& ES_READONLY
) && (c
>= ' ') && (c
!= 127)) {
3194 EDIT_EM_ReplaceSel(es
, TRUE
, str
, TRUE
, TRUE
);
3202 /*********************************************************************
3207 static void EDIT_WM_Command(EDITSTATE
*es
, INT code
, INT id
, HWND control
)
3209 if (code
|| control
)
3214 SendMessageW(es
->hwndSelf
, WM_UNDO
, 0, 0);
3217 SendMessageW(es
->hwndSelf
, WM_CUT
, 0, 0);
3220 SendMessageW(es
->hwndSelf
, WM_COPY
, 0, 0);
3223 SendMessageW(es
->hwndSelf
, WM_PASTE
, 0, 0);
3226 SendMessageW(es
->hwndSelf
, WM_CLEAR
, 0, 0);
3229 EDIT_EM_SetSel(es
, 0, (UINT
)-1, FALSE
);
3230 EDIT_EM_ScrollCaret(es
);
3233 ERR("unknown menu item, please report\n");
3239 /*********************************************************************
3243 * Note: the resource files resource/sysres_??.rc cannot define a
3244 * single popup menu. Hence we use a (dummy) menubar
3245 * containing the single popup menu as its first item.
3247 * FIXME: the message identifiers have been chosen arbitrarily,
3248 * hence we use MF_BYPOSITION.
3249 * We might as well use the "real" values (anybody knows ?)
3250 * The menu definition is in resources/sysres_??.rc.
3251 * Once these are OK, we better use MF_BYCOMMAND here
3252 * (as we do in EDIT_WM_Command()).
3255 static void EDIT_WM_ContextMenu(EDITSTATE
*es
, INT x
, INT y
)
3257 HMENU menu
= LoadMenuA(user32_module
, "EDITMENU");
3258 HMENU popup
= GetSubMenu(menu
, 0);
3259 UINT start
= es
->selection_start
;
3260 UINT end
= es
->selection_end
;
3262 ORDER_UINT(start
, end
);
3265 EnableMenuItem(popup
, 0, MF_BYPOSITION
| (EDIT_EM_CanUndo(es
) && !(es
->style
& ES_READONLY
) ? MF_ENABLED
: MF_GRAYED
));
3267 EnableMenuItem(popup
, 2, MF_BYPOSITION
| ((end
- start
) && !(es
->style
& ES_PASSWORD
) && !(es
->style
& ES_READONLY
) ? MF_ENABLED
: MF_GRAYED
));
3269 EnableMenuItem(popup
, 3, MF_BYPOSITION
| ((end
- start
) && !(es
->style
& ES_PASSWORD
) ? MF_ENABLED
: MF_GRAYED
));
3271 EnableMenuItem(popup
, 4, MF_BYPOSITION
| (IsClipboardFormatAvailable(CF_UNICODETEXT
) && !(es
->style
& ES_READONLY
) ? MF_ENABLED
: MF_GRAYED
));
3273 EnableMenuItem(popup
, 5, MF_BYPOSITION
| ((end
- start
) && !(es
->style
& ES_READONLY
) ? MF_ENABLED
: MF_GRAYED
));
3275 EnableMenuItem(popup
, 7, MF_BYPOSITION
| (start
|| (end
!= get_text_length(es
)) ? MF_ENABLED
: MF_GRAYED
));
3277 if (x
== -1 && y
== -1) /* passed via VK_APPS press/release */
3280 /* Windows places the menu at the edit's center in this case */
3281 WIN_GetRectangles( es
->hwndSelf
, COORDS_SCREEN
, NULL
, &rc
);
3282 x
= rc
.left
+ (rc
.right
- rc
.left
) / 2;
3283 y
= rc
.top
+ (rc
.bottom
- rc
.top
) / 2;
3286 if (!(es
->flags
& EF_FOCUSED
))
3287 SetFocus(es
->hwndSelf
);
3289 TrackPopupMenu(popup
, TPM_LEFTALIGN
| TPM_RIGHTBUTTON
, x
, y
, 0, es
->hwndSelf
, NULL
);
3294 /*********************************************************************
3299 static INT
EDIT_WM_GetText(const EDITSTATE
*es
, INT count
, LPWSTR dst
, BOOL unicode
)
3301 if(!count
) return 0;
3305 lstrcpynW(dst
, es
->text
, count
);
3306 return strlenW(dst
);
3310 LPSTR textA
= (LPSTR
)dst
;
3311 if (!WideCharToMultiByte(CP_ACP
, 0, es
->text
, -1, textA
, count
, NULL
, NULL
))
3312 textA
[count
- 1] = 0; /* ensure 0 termination */
3313 return strlen(textA
);
3317 /*********************************************************************
3322 static BOOL
EDIT_CheckCombo(EDITSTATE
*es
, UINT msg
, INT key
)
3324 HWND hLBox
= es
->hwndListBox
;
3332 hCombo
= GetParent(es
->hwndSelf
);
3336 TRACE_(combo
)("[%p]: handling msg %x (%x)\n", es
->hwndSelf
, msg
, key
);
3338 if (key
== VK_UP
|| key
== VK_DOWN
)
3340 if (SendMessageW(hCombo
, CB_GETEXTENDEDUI
, 0, 0))
3343 if (msg
== WM_KEYDOWN
|| nEUI
)
3344 bDropped
= (BOOL
)SendMessageW(hCombo
, CB_GETDROPPEDSTATE
, 0, 0);
3350 if (!bDropped
&& nEUI
&& (key
== VK_UP
|| key
== VK_DOWN
))
3352 /* make sure ComboLBox pops up */
3353 SendMessageW(hCombo
, CB_SETEXTENDEDUI
, FALSE
, 0);
3358 SendMessageW(hLBox
, WM_KEYDOWN
, key
, 0);
3361 case WM_SYSKEYDOWN
: /* Handle Alt+up/down arrows */
3363 SendMessageW(hCombo
, CB_SHOWDROPDOWN
, bDropped
? FALSE
: TRUE
, 0);
3365 SendMessageW(hLBox
, WM_KEYDOWN
, VK_F4
, 0);
3370 SendMessageW(hCombo
, CB_SETEXTENDEDUI
, TRUE
, 0);
3376 /*********************************************************************
3380 * Handling of special keys that don't produce a WM_CHAR
3381 * (i.e. non-printable keys) & Backspace & Delete
3384 static LRESULT
EDIT_WM_KeyDown(EDITSTATE
*es
, INT key
)
3389 if (GetKeyState(VK_MENU
) & 0x8000)
3392 shift
= GetKeyState(VK_SHIFT
) & 0x8000;
3393 control
= GetKeyState(VK_CONTROL
) & 0x8000;
3398 if (EDIT_CheckCombo(es
, WM_KEYDOWN
, key
) || key
== VK_F4
)
3403 if ((es
->style
& ES_MULTILINE
) && (key
== VK_UP
))
3404 EDIT_MoveUp_ML(es
, shift
);
3407 EDIT_MoveWordBackward(es
, shift
);
3409 EDIT_MoveBackward(es
, shift
);
3412 if (EDIT_CheckCombo(es
, WM_KEYDOWN
, key
))
3416 if ((es
->style
& ES_MULTILINE
) && (key
== VK_DOWN
))
3417 EDIT_MoveDown_ML(es
, shift
);
3419 EDIT_MoveWordForward(es
, shift
);
3421 EDIT_MoveForward(es
, shift
);
3424 EDIT_MoveHome(es
, shift
, control
);
3427 EDIT_MoveEnd(es
, shift
, control
);
3430 if (es
->style
& ES_MULTILINE
)
3431 EDIT_MovePageUp_ML(es
, shift
);
3433 EDIT_CheckCombo(es
, WM_KEYDOWN
, key
);
3436 if (es
->style
& ES_MULTILINE
)
3437 EDIT_MovePageDown_ML(es
, shift
);
3439 EDIT_CheckCombo(es
, WM_KEYDOWN
, key
);
3442 if (!(es
->style
& ES_READONLY
) && !(shift
&& control
)) {
3443 if (es
->selection_start
!= es
->selection_end
) {
3450 /* delete character left of caret */
3451 EDIT_EM_SetSel(es
, (UINT
)-1, 0, FALSE
);
3452 EDIT_MoveBackward(es
, TRUE
);
3454 } else if (control
) {
3455 /* delete to end of line */
3456 EDIT_EM_SetSel(es
, (UINT
)-1, 0, FALSE
);
3457 EDIT_MoveEnd(es
, TRUE
, FALSE
);
3460 /* delete character right of caret */
3461 EDIT_EM_SetSel(es
, (UINT
)-1, 0, FALSE
);
3462 EDIT_MoveForward(es
, TRUE
);
3470 if (!(es
->style
& ES_READONLY
))
3476 /* If the edit doesn't want the return send a message to the default object */
3477 if(!(es
->style
& ES_MULTILINE
) || !(es
->style
& ES_WANTRETURN
))
3481 if (!EDIT_IsInsideDialog(es
)) break;
3483 dw
= SendMessageW(es
->hwndParent
, DM_GETDEFID
, 0, 0);
3484 if (HIWORD(dw
) == DC_HASDEFID
)
3486 HWND hwDefCtrl
= GetDlgItem(es
->hwndParent
, LOWORD(dw
));
3489 SendMessageW(es
->hwndParent
, WM_NEXTDLGCTL
, (WPARAM
)hwDefCtrl
, TRUE
);
3490 PostMessageW(hwDefCtrl
, WM_KEYDOWN
, VK_RETURN
, 0);
3496 if ((es
->style
& ES_MULTILINE
) && EDIT_IsInsideDialog(es
))
3497 PostMessageW(es
->hwndParent
, WM_CLOSE
, 0, 0);
3500 if ((es
->style
& ES_MULTILINE
) && EDIT_IsInsideDialog(es
))
3501 SendMessageW(es
->hwndParent
, WM_NEXTDLGCTL
, shift
, 0);
3508 /*********************************************************************
3513 static LRESULT
EDIT_WM_KillFocus(EDITSTATE
*es
)
3515 es
->flags
&= ~EF_FOCUSED
;
3517 if(!(es
->style
& ES_NOHIDESEL
))
3518 EDIT_InvalidateText(es
, es
->selection_start
, es
->selection_end
);
3519 EDIT_NOTIFY_PARENT(es
, EN_KILLFOCUS
);
3524 /*********************************************************************
3528 * The caret position has been set on the WM_LBUTTONDOWN message
3531 static LRESULT
EDIT_WM_LButtonDblClk(EDITSTATE
*es
)
3534 INT e
= es
->selection_end
;
3539 es
->bCaptureState
= TRUE
;
3540 SetCapture(es
->hwndSelf
);
3542 l
= EDIT_EM_LineFromChar(es
, e
);
3543 li
= EDIT_EM_LineIndex(es
, l
);
3544 ll
= EDIT_EM_LineLength(es
, e
);
3545 s
= li
+ EDIT_CallWordBreakProc(es
, li
, e
- li
, ll
, WB_LEFT
);
3546 e
= li
+ EDIT_CallWordBreakProc(es
, li
, e
- li
, ll
, WB_RIGHT
);
3547 EDIT_EM_SetSel(es
, s
, e
, FALSE
);
3548 EDIT_EM_ScrollCaret(es
);
3549 es
->region_posx
= es
->region_posy
= 0;
3550 SetTimer(es
->hwndSelf
, 0, 100, NULL
);
3555 /*********************************************************************
3560 static LRESULT
EDIT_WM_LButtonDown(EDITSTATE
*es
, DWORD keys
, INT x
, INT y
)
3565 es
->bCaptureState
= TRUE
;
3566 SetCapture(es
->hwndSelf
);
3567 EDIT_ConfinePoint(es
, &x
, &y
);
3568 e
= EDIT_CharFromPos(es
, x
, y
, &after_wrap
);
3569 EDIT_EM_SetSel(es
, (keys
& MK_SHIFT
) ? es
->selection_start
: e
, e
, after_wrap
);
3570 EDIT_EM_ScrollCaret(es
);
3571 es
->region_posx
= es
->region_posy
= 0;
3572 SetTimer(es
->hwndSelf
, 0, 100, NULL
);
3574 if (!(es
->flags
& EF_FOCUSED
))
3575 SetFocus(es
->hwndSelf
);
3581 /*********************************************************************
3586 static LRESULT
EDIT_WM_LButtonUp(EDITSTATE
*es
)
3588 if (es
->bCaptureState
) {
3589 KillTimer(es
->hwndSelf
, 0);
3590 if (GetCapture() == es
->hwndSelf
) ReleaseCapture();
3592 es
->bCaptureState
= FALSE
;
3597 /*********************************************************************
3602 static LRESULT
EDIT_WM_MButtonDown(EDITSTATE
*es
)
3604 SendMessageW(es
->hwndSelf
, WM_PASTE
, 0, 0);
3609 /*********************************************************************
3614 static LRESULT
EDIT_WM_MouseMove(EDITSTATE
*es
, INT x
, INT y
)
3620 /* If the mouse has been captured by process other than the edit control itself,
3621 * the windows edit controls will not select the strings with mouse move.
3623 if (!es
->bCaptureState
|| GetCapture() != es
->hwndSelf
)
3627 * FIXME: gotta do some scrolling if outside client
3628 * area. Maybe reset the timer ?
3631 EDIT_ConfinePoint(es
, &x
, &y
);
3632 es
->region_posx
= (prex
< x
) ? -1 : ((prex
> x
) ? 1 : 0);
3633 es
->region_posy
= (prey
< y
) ? -1 : ((prey
> y
) ? 1 : 0);
3634 e
= EDIT_CharFromPos(es
, x
, y
, &after_wrap
);
3635 EDIT_EM_SetSel(es
, es
->selection_start
, e
, after_wrap
);
3636 EDIT_SetCaretPos(es
,es
->selection_end
,es
->flags
& EF_AFTER_WRAP
);
3641 /*********************************************************************
3646 static void EDIT_WM_Paint(EDITSTATE
*es
, HDC hdc
)
3659 BOOL rev
= es
->bEnableState
&&
3660 ((es
->flags
& EF_FOCUSED
) ||
3661 (es
->style
& ES_NOHIDESEL
));
3662 dc
= hdc
? hdc
: BeginPaint(es
->hwndSelf
, &ps
);
3664 /* The dc we use for calculating may not be the one we paint into.
3665 This is the safest action. */
3666 EDIT_InvalidateUniscribeData(es
);
3667 GetClientRect(es
->hwndSelf
, &rcClient
);
3669 /* get the background brush */
3670 brush
= EDIT_NotifyCtlColor(es
, dc
);
3672 /* paint the border and the background */
3673 IntersectClipRect(dc
, rcClient
.left
, rcClient
.top
, rcClient
.right
, rcClient
.bottom
);
3675 if(es
->style
& WS_BORDER
) {
3676 bw
= GetSystemMetrics(SM_CXBORDER
);
3677 bh
= GetSystemMetrics(SM_CYBORDER
);
3679 if(es
->style
& ES_MULTILINE
) {
3680 if(es
->style
& WS_HSCROLL
) rc
.bottom
+=bh
;
3681 if(es
->style
& WS_VSCROLL
) rc
.right
+=bw
;
3684 /* Draw the frame. Same code as in nonclient.c */
3685 old_brush
= SelectObject(dc
, GetSysColorBrush(COLOR_WINDOWFRAME
));
3686 PatBlt(dc
, rc
.left
, rc
.top
, rc
.right
- rc
.left
, bh
, PATCOPY
);
3687 PatBlt(dc
, rc
.left
, rc
.top
, bw
, rc
.bottom
- rc
.top
, PATCOPY
);
3688 PatBlt(dc
, rc
.left
, rc
.bottom
- 1, rc
.right
- rc
.left
, -bw
, PATCOPY
);
3689 PatBlt(dc
, rc
.right
- 1, rc
.top
, -bw
, rc
.bottom
- rc
.top
, PATCOPY
);
3690 SelectObject(dc
, old_brush
);
3692 /* Keep the border clean */
3693 IntersectClipRect(dc
, rc
.left
+bw
, rc
.top
+bh
,
3694 max(rc
.right
-bw
, rc
.left
+bw
), max(rc
.bottom
-bh
, rc
.top
+bh
));
3697 GetClipBox(dc
, &rc
);
3698 FillRect(dc
, &rc
, brush
);
3700 IntersectClipRect(dc
, es
->format_rect
.left
,
3701 es
->format_rect
.top
,
3702 es
->format_rect
.right
,
3703 es
->format_rect
.bottom
);
3704 if (es
->style
& ES_MULTILINE
) {
3706 IntersectClipRect(dc
, rc
.left
, rc
.top
, rc
.right
, rc
.bottom
);
3709 old_font
= SelectObject(dc
, es
->font
);
3711 if (!es
->bEnableState
)
3712 SetTextColor(dc
, GetSysColor(COLOR_GRAYTEXT
));
3713 GetClipBox(dc
, &rcRgn
);
3714 if (es
->style
& ES_MULTILINE
) {
3715 INT vlc
= get_vertical_line_count(es
);
3716 for (i
= es
->y_offset
; i
<= min(es
->y_offset
+ vlc
, es
->y_offset
+ es
->line_count
- 1) ; i
++) {
3717 EDIT_UpdateUniscribeData(es
, dc
, i
);
3718 EDIT_GetLineRect(es
, i
, 0, -1, &rcLine
);
3719 if (IntersectRect(&rc
, &rcRgn
, &rcLine
))
3720 EDIT_PaintLine(es
, dc
, i
, rev
);
3723 EDIT_UpdateUniscribeData(es
, dc
, 0);
3724 EDIT_GetLineRect(es
, 0, 0, -1, &rcLine
);
3725 if (IntersectRect(&rc
, &rcRgn
, &rcLine
))
3726 EDIT_PaintLine(es
, dc
, 0, rev
);
3729 SelectObject(dc
, old_font
);
3732 EndPaint(es
->hwndSelf
, &ps
);
3736 /*********************************************************************
3741 static void EDIT_WM_SetFocus(EDITSTATE
*es
)
3743 es
->flags
|= EF_FOCUSED
;
3745 if (!(es
->style
& ES_NOHIDESEL
))
3746 EDIT_InvalidateText(es
, es
->selection_start
, es
->selection_end
);
3748 /* single line edit updates itself */
3749 if (!(es
->style
& ES_MULTILINE
))
3751 HDC hdc
= GetDC(es
->hwndSelf
);
3752 EDIT_WM_Paint(es
, hdc
);
3753 ReleaseDC(es
->hwndSelf
, hdc
);
3756 CreateCaret(es
->hwndSelf
, 0, 1, es
->line_height
);
3757 EDIT_SetCaretPos(es
, es
->selection_end
,
3758 es
->flags
& EF_AFTER_WRAP
);
3759 ShowCaret(es
->hwndSelf
);
3760 EDIT_NOTIFY_PARENT(es
, EN_SETFOCUS
);
3764 /*********************************************************************
3768 * With Win95 look the margins are set to default font value unless
3769 * the system font (font == 0) is being set, in which case they are left
3773 static void EDIT_WM_SetFont(EDITSTATE
*es
, HFONT font
, BOOL redraw
)
3781 EDIT_InvalidateUniscribeData(es
);
3782 dc
= GetDC(es
->hwndSelf
);
3784 old_font
= SelectObject(dc
, font
);
3785 GetTextMetricsW(dc
, &tm
);
3786 es
->line_height
= tm
.tmHeight
;
3787 es
->char_width
= tm
.tmAveCharWidth
;
3789 SelectObject(dc
, old_font
);
3790 ReleaseDC(es
->hwndSelf
, dc
);
3792 /* Reset the format rect and the margins */
3793 GetClientRect(es
->hwndSelf
, &clientRect
);
3794 EDIT_SetRectNP(es
, &clientRect
);
3795 EDIT_EM_SetMargins(es
, EC_LEFTMARGIN
| EC_RIGHTMARGIN
,
3796 EC_USEFONTINFO
, EC_USEFONTINFO
, FALSE
);
3798 if (es
->style
& ES_MULTILINE
)
3799 EDIT_BuildLineDefs_ML(es
, 0, get_text_length(es
), 0, NULL
);
3801 EDIT_CalcLineWidth_SL(es
);
3804 EDIT_UpdateText(es
, NULL
, TRUE
);
3805 if (es
->flags
& EF_FOCUSED
) {
3807 CreateCaret(es
->hwndSelf
, 0, 1, es
->line_height
);
3808 EDIT_SetCaretPos(es
, es
->selection_end
,
3809 es
->flags
& EF_AFTER_WRAP
);
3810 ShowCaret(es
->hwndSelf
);
3815 /*********************************************************************
3820 * For multiline controls (ES_MULTILINE), reception of WM_SETTEXT triggers:
3821 * The modified flag is reset. No notifications are sent.
3823 * For single-line controls, reception of WM_SETTEXT triggers:
3824 * The modified flag is reset. EN_UPDATE and EN_CHANGE notifications are sent.
3827 static void EDIT_WM_SetText(EDITSTATE
*es
, LPCWSTR text
, BOOL unicode
)
3829 LPWSTR textW
= NULL
;
3830 if (!unicode
&& text
)
3832 LPCSTR textA
= (LPCSTR
)text
;
3833 INT countW
= MultiByteToWideChar(CP_ACP
, 0, textA
, -1, NULL
, 0);
3834 textW
= HeapAlloc(GetProcessHeap(), 0, countW
* sizeof(WCHAR
));
3836 MultiByteToWideChar(CP_ACP
, 0, textA
, -1, textW
, countW
);
3840 if (es
->flags
& EF_UPDATE
)
3841 /* fixed this bug once; complain if we see it about to happen again. */
3842 ERR("SetSel may generate UPDATE message whose handler may reset "
3845 EDIT_EM_SetSel(es
, 0, (UINT
)-1, FALSE
);
3848 TRACE("%s\n", debugstr_w(text
));
3849 EDIT_EM_ReplaceSel(es
, FALSE
, text
, FALSE
, FALSE
);
3851 HeapFree(GetProcessHeap(), 0, textW
);
3856 EDIT_EM_ReplaceSel(es
, FALSE
, empty_stringW
, FALSE
, FALSE
);
3859 es
->flags
&= ~EF_MODIFIED
;
3860 EDIT_EM_SetSel(es
, 0, 0, FALSE
);
3862 /* Send the notification after the selection start and end have been set
3863 * edit control doesn't send notification on WM_SETTEXT
3864 * if it is multiline, or it is part of combobox
3866 if( !((es
->style
& ES_MULTILINE
) || es
->hwndListBox
))
3868 EDIT_NOTIFY_PARENT(es
, EN_UPDATE
);
3869 EDIT_NOTIFY_PARENT(es
, EN_CHANGE
);
3871 EDIT_EM_ScrollCaret(es
);
3872 EDIT_UpdateScrollInfo(es
);
3873 EDIT_InvalidateUniscribeData(es
);
3877 /*********************************************************************
3882 static void EDIT_WM_Size(EDITSTATE
*es
, UINT action
, INT width
, INT height
)
3884 if ((action
== SIZE_MAXIMIZED
) || (action
== SIZE_RESTORED
)) {
3886 TRACE("width = %d, height = %d\n", width
, height
);
3887 SetRect(&rc
, 0, 0, width
, height
);
3888 EDIT_SetRectNP(es
, &rc
);
3889 EDIT_UpdateText(es
, NULL
, TRUE
);
3894 /*********************************************************************
3898 * This message is sent by SetWindowLong on having changed either the Style
3899 * or the extended style.
3901 * We ensure that the window's version of the styles and the EDITSTATE's agree.
3903 * See also EDIT_WM_NCCreate
3905 * It appears that the Windows version of the edit control allows the style
3906 * (as retrieved by GetWindowLong) to be any value and maintains an internal
3907 * style variable which will generally be different. In this function we
3908 * update the internal style based on what changed in the externally visible
3911 * Much of this content as based upon the MSDN, especially:
3912 * Platform SDK Documentation -> User Interface Services ->
3913 * Windows User Interface -> Edit Controls -> Edit Control Reference ->
3914 * Edit Control Styles
3916 static LRESULT
EDIT_WM_StyleChanged ( EDITSTATE
*es
, WPARAM which
, const STYLESTRUCT
*style
)
3918 if (GWL_STYLE
== which
) {
3919 DWORD style_change_mask
;
3921 /* Only a subset of changes can be applied after the control
3924 style_change_mask
= ES_UPPERCASE
| ES_LOWERCASE
|
3926 if (es
->style
& ES_MULTILINE
)
3927 style_change_mask
|= ES_WANTRETURN
;
3929 new_style
= style
->styleNew
& style_change_mask
;
3931 /* Number overrides lowercase overrides uppercase (at least it
3932 * does in Win95). However I'll bet that ES_NUMBER would be
3933 * invalid under Win 3.1.
3935 if (new_style
& ES_NUMBER
) {
3936 ; /* do not override the ES_NUMBER */
3937 } else if (new_style
& ES_LOWERCASE
) {
3938 new_style
&= ~ES_UPPERCASE
;
3941 es
->style
= (es
->style
& ~style_change_mask
) | new_style
;
3942 } else if (GWL_EXSTYLE
== which
) {
3943 ; /* FIXME - what is needed here */
3945 WARN ("Invalid style change %ld\n",which
);
3951 /*********************************************************************
3956 static LRESULT
EDIT_WM_SysKeyDown(EDITSTATE
*es
, INT key
, DWORD key_data
)
3958 if ((key
== VK_BACK
) && (key_data
& 0x2000)) {
3959 if (EDIT_EM_CanUndo(es
))
3962 } else if (key
== VK_UP
|| key
== VK_DOWN
) {
3963 if (EDIT_CheckCombo(es
, WM_SYSKEYDOWN
, key
))
3966 return DefWindowProcW(es
->hwndSelf
, WM_SYSKEYDOWN
, key
, key_data
);
3970 /*********************************************************************
3975 static void EDIT_WM_Timer(EDITSTATE
*es
)
3977 if (es
->region_posx
< 0) {
3978 EDIT_MoveBackward(es
, TRUE
);
3979 } else if (es
->region_posx
> 0) {
3980 EDIT_MoveForward(es
, TRUE
);
3983 * FIXME: gotta do some vertical scrolling here, like
3984 * EDIT_EM_LineScroll(hwnd, 0, 1);
3988 /*********************************************************************
3993 static LRESULT
EDIT_WM_HScroll(EDITSTATE
*es
, INT action
, INT pos
)
3998 if (!(es
->style
& ES_MULTILINE
))
4001 if (!(es
->style
& ES_AUTOHSCROLL
))
4005 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
4008 TRACE("SB_LINELEFT\n");
4010 dx
= -es
->char_width
;
4013 TRACE("SB_LINERIGHT\n");
4014 if (es
->x_offset
< es
->text_width
)
4015 dx
= es
->char_width
;
4018 TRACE("SB_PAGELEFT\n");
4020 dx
= -fw
/ HSCROLL_FRACTION
/ es
->char_width
* es
->char_width
;
4023 TRACE("SB_PAGERIGHT\n");
4024 if (es
->x_offset
< es
->text_width
)
4025 dx
= fw
/ HSCROLL_FRACTION
/ es
->char_width
* es
->char_width
;
4033 TRACE("SB_RIGHT\n");
4034 if (es
->x_offset
< es
->text_width
)
4035 dx
= es
->text_width
- es
->x_offset
;
4038 TRACE("SB_THUMBTRACK %d\n", pos
);
4039 es
->flags
|= EF_HSCROLL_TRACK
;
4040 if(es
->style
& WS_HSCROLL
)
4041 dx
= pos
- es
->x_offset
;
4046 if(pos
< 0 || pos
> 100) return 0;
4047 /* Assume default scroll range 0-100 */
4048 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
4049 new_x
= pos
* (es
->text_width
- fw
) / 100;
4050 dx
= es
->text_width
? (new_x
- es
->x_offset
) : 0;
4053 case SB_THUMBPOSITION
:
4054 TRACE("SB_THUMBPOSITION %d\n", pos
);
4055 es
->flags
&= ~EF_HSCROLL_TRACK
;
4056 if(GetWindowLongW( es
->hwndSelf
, GWL_STYLE
) & WS_HSCROLL
)
4057 dx
= pos
- es
->x_offset
;
4062 if(pos
< 0 || pos
> 100) return 0;
4063 /* Assume default scroll range 0-100 */
4064 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
4065 new_x
= pos
* (es
->text_width
- fw
) / 100;
4066 dx
= es
->text_width
? (new_x
- es
->x_offset
) : 0;
4069 /* force scroll info update */
4070 EDIT_UpdateScrollInfo(es
);
4071 EDIT_NOTIFY_PARENT(es
, EN_HSCROLL
);
4075 TRACE("SB_ENDSCROLL\n");
4078 * FIXME : the next two are undocumented !
4079 * Are we doing the right thing ?
4080 * At least Win 3.1 Notepad makes use of EM_GETTHUMB this way,
4081 * although it's also a regular control message.
4083 case EM_GETTHUMB
: /* this one is used by NT notepad */
4086 if(GetWindowLongW( es
->hwndSelf
, GWL_STYLE
) & WS_HSCROLL
)
4087 ret
= GetScrollPos(es
->hwndSelf
, SB_HORZ
);
4090 /* Assume default scroll range 0-100 */
4091 INT fw
= es
->format_rect
.right
- es
->format_rect
.left
;
4092 ret
= es
->text_width
? es
->x_offset
* 100 / (es
->text_width
- fw
) : 0;
4094 TRACE("EM_GETTHUMB: returning %ld\n", ret
);
4098 TRACE("EM_LINESCROLL16\n");
4103 ERR("undocumented WM_HSCROLL action %d (0x%04x), please report\n",
4109 INT fw
= es
->format_rect
.right
- es
->format_rect
.left
;
4110 /* check if we are going to move too far */
4111 if(es
->x_offset
+ dx
+ fw
> es
->text_width
)
4112 dx
= es
->text_width
- fw
- es
->x_offset
;
4114 EDIT_EM_LineScroll_internal(es
, dx
, 0);
4120 /*********************************************************************
4125 static LRESULT
EDIT_WM_VScroll(EDITSTATE
*es
, INT action
, INT pos
)
4129 if (!(es
->style
& ES_MULTILINE
))
4132 if (!(es
->style
& ES_AUTOVSCROLL
))
4141 TRACE("action %d (%s)\n", action
, (action
== SB_LINEUP
? "SB_LINEUP" :
4142 (action
== SB_LINEDOWN
? "SB_LINEDOWN" :
4143 (action
== SB_PAGEUP
? "SB_PAGEUP" :
4145 EDIT_EM_Scroll(es
, action
);
4152 TRACE("SB_BOTTOM\n");
4153 dy
= es
->line_count
- 1 - es
->y_offset
;
4156 TRACE("SB_THUMBTRACK %d\n", pos
);
4157 es
->flags
|= EF_VSCROLL_TRACK
;
4158 if(es
->style
& WS_VSCROLL
)
4159 dy
= pos
- es
->y_offset
;
4162 /* Assume default scroll range 0-100 */
4165 if(pos
< 0 || pos
> 100) return 0;
4166 vlc
= get_vertical_line_count(es
);
4167 new_y
= pos
* (es
->line_count
- vlc
) / 100;
4168 dy
= es
->line_count
? (new_y
- es
->y_offset
) : 0;
4169 TRACE("line_count=%d, y_offset=%d, pos=%d, dy = %d\n",
4170 es
->line_count
, es
->y_offset
, pos
, dy
);
4173 case SB_THUMBPOSITION
:
4174 TRACE("SB_THUMBPOSITION %d\n", pos
);
4175 es
->flags
&= ~EF_VSCROLL_TRACK
;
4176 if(es
->style
& WS_VSCROLL
)
4177 dy
= pos
- es
->y_offset
;
4180 /* Assume default scroll range 0-100 */
4183 if(pos
< 0 || pos
> 100) return 0;
4184 vlc
= get_vertical_line_count(es
);
4185 new_y
= pos
* (es
->line_count
- vlc
) / 100;
4186 dy
= es
->line_count
? (new_y
- es
->y_offset
) : 0;
4187 TRACE("line_count=%d, y_offset=%d, pos=%d, dy = %d\n",
4188 es
->line_count
, es
->y_offset
, pos
, dy
);
4192 /* force scroll info update */
4193 EDIT_UpdateScrollInfo(es
);
4194 EDIT_NOTIFY_PARENT(es
, EN_VSCROLL
);
4198 TRACE("SB_ENDSCROLL\n");
4201 * FIXME : the next two are undocumented !
4202 * Are we doing the right thing ?
4203 * At least Win 3.1 Notepad makes use of EM_GETTHUMB this way,
4204 * although it's also a regular control message.
4206 case EM_GETTHUMB
: /* this one is used by NT notepad */
4209 if(GetWindowLongW( es
->hwndSelf
, GWL_STYLE
) & WS_VSCROLL
)
4210 ret
= GetScrollPos(es
->hwndSelf
, SB_VERT
);
4213 /* Assume default scroll range 0-100 */
4214 INT vlc
= get_vertical_line_count(es
);
4215 ret
= es
->line_count
? es
->y_offset
* 100 / (es
->line_count
- vlc
) : 0;
4217 TRACE("EM_GETTHUMB: returning %ld\n", ret
);
4221 TRACE("EM_LINESCROLL %d\n", pos
);
4226 ERR("undocumented WM_VSCROLL action %d (0x%04x), please report\n",
4231 EDIT_EM_LineScroll(es
, 0, dy
);
4235 /*********************************************************************
4239 * FIXME: is this right ? (or should it be only VSCROLL)
4240 * (and maybe only for edit controls that really have their
4241 * own scrollbars) (and maybe only for multiline controls ?)
4242 * All in all: very poorly documented
4245 static LRESULT
EDIT_EM_GetThumb(EDITSTATE
*es
)
4247 return MAKELONG(EDIT_WM_VScroll(es
, EM_GETTHUMB
, 0),
4248 EDIT_WM_HScroll(es
, EM_GETTHUMB
, 0));
4252 /********************************************************************
4254 * The Following code is to handle inline editing from IMEs
4257 static void EDIT_GetCompositionStr(HIMC hIMC
, LPARAM CompFlag
, EDITSTATE
*es
)
4260 LPWSTR lpCompStr
= NULL
;
4261 LPSTR lpCompStrAttr
= NULL
;
4264 buflen
= ImmGetCompositionStringW(hIMC
, GCS_COMPSTR
, NULL
, 0);
4271 lpCompStr
= HeapAlloc(GetProcessHeap(),0,buflen
+ sizeof(WCHAR
));
4274 ERR("Unable to allocate IME CompositionString\n");
4279 ImmGetCompositionStringW(hIMC
, GCS_COMPSTR
, lpCompStr
, buflen
);
4280 lpCompStr
[buflen
/sizeof(WCHAR
)] = 0;
4282 if (CompFlag
& GCS_COMPATTR
)
4285 * We do not use the attributes yet. it would tell us what characters
4286 * are in transition and which are converted or decided upon
4288 dwBufLenAttr
= ImmGetCompositionStringW(hIMC
, GCS_COMPATTR
, NULL
, 0);
4292 lpCompStrAttr
= HeapAlloc(GetProcessHeap(),0,dwBufLenAttr
+1);
4295 ERR("Unable to allocate IME Attribute String\n");
4296 HeapFree(GetProcessHeap(),0,lpCompStr
);
4299 ImmGetCompositionStringW(hIMC
,GCS_COMPATTR
, lpCompStrAttr
,
4301 lpCompStrAttr
[dwBufLenAttr
] = 0;
4304 lpCompStrAttr
= NULL
;
4307 /* check for change in composition start */
4308 if (es
->selection_end
< es
->composition_start
)
4309 es
->composition_start
= es
->selection_end
;
4311 /* replace existing selection string */
4312 es
->selection_start
= es
->composition_start
;
4314 if (es
->composition_len
> 0)
4315 es
->selection_end
= es
->composition_start
+ es
->composition_len
;
4317 es
->selection_end
= es
->selection_start
;
4319 EDIT_EM_ReplaceSel(es
, FALSE
, lpCompStr
, TRUE
, TRUE
);
4320 es
->composition_len
= abs(es
->composition_start
- es
->selection_end
);
4322 es
->selection_start
= es
->composition_start
;
4323 es
->selection_end
= es
->selection_start
+ es
->composition_len
;
4325 HeapFree(GetProcessHeap(),0,lpCompStrAttr
);
4326 HeapFree(GetProcessHeap(),0,lpCompStr
);
4329 static void EDIT_GetResultStr(HIMC hIMC
, EDITSTATE
*es
)
4334 buflen
= ImmGetCompositionStringW(hIMC
, GCS_RESULTSTR
, NULL
, 0);
4340 lpResultStr
= HeapAlloc(GetProcessHeap(),0, buflen
+sizeof(WCHAR
));
4343 ERR("Unable to alloc buffer for IME string\n");
4347 ImmGetCompositionStringW(hIMC
, GCS_RESULTSTR
, lpResultStr
, buflen
);
4348 lpResultStr
[buflen
/sizeof(WCHAR
)] = 0;
4350 /* check for change in composition start */
4351 if (es
->selection_end
< es
->composition_start
)
4352 es
->composition_start
= es
->selection_end
;
4354 es
->selection_start
= es
->composition_start
;
4355 es
->selection_end
= es
->composition_start
+ es
->composition_len
;
4356 EDIT_EM_ReplaceSel(es
, TRUE
, lpResultStr
, TRUE
, TRUE
);
4357 es
->composition_start
= es
->selection_end
;
4358 es
->composition_len
= 0;
4360 HeapFree(GetProcessHeap(),0,lpResultStr
);
4363 static void EDIT_ImeComposition(HWND hwnd
, LPARAM CompFlag
, EDITSTATE
*es
)
4368 if (es
->composition_len
== 0 && es
->selection_start
!= es
->selection_end
)
4370 EDIT_EM_ReplaceSel(es
, TRUE
, empty_stringW
, TRUE
, TRUE
);
4371 es
->composition_start
= es
->selection_end
;
4374 hIMC
= ImmGetContext(hwnd
);
4378 if (CompFlag
& GCS_RESULTSTR
)
4379 EDIT_GetResultStr(hIMC
, es
);
4380 if (CompFlag
& GCS_COMPSTR
)
4381 EDIT_GetCompositionStr(hIMC
, CompFlag
, es
);
4382 cursor
= ImmGetCompositionStringW(hIMC
, GCS_CURSORPOS
, 0, 0);
4383 ImmReleaseContext(hwnd
, hIMC
);
4384 EDIT_SetCaretPos(es
, es
->selection_start
+ cursor
, es
->flags
& EF_AFTER_WRAP
);
4388 /*********************************************************************
4392 * See also EDIT_WM_StyleChanged
4394 static LRESULT
EDIT_WM_NCCreate(HWND hwnd
, LPCREATESTRUCTW lpcs
, BOOL unicode
)
4399 TRACE("Creating %s edit control, style = %08x\n",
4400 unicode
? "Unicode" : "ANSI", lpcs
->style
);
4402 if (!(es
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(*es
))))
4404 SetWindowLongPtrW( hwnd
, 0, (LONG_PTR
)es
);
4407 * Note: since the EDITSTATE has not been fully initialized yet,
4408 * we can't use any API calls that may send
4409 * WM_XXX messages before WM_NCCREATE is completed.
4412 es
->is_unicode
= unicode
;
4413 es
->style
= lpcs
->style
;
4415 es
->bEnableState
= !(es
->style
& WS_DISABLED
);
4417 es
->hwndSelf
= hwnd
;
4418 /* Save parent, which will be notified by EN_* messages */
4419 es
->hwndParent
= lpcs
->hwndParent
;
4421 if (es
->style
& ES_COMBO
)
4422 es
->hwndListBox
= GetDlgItem(es
->hwndParent
, ID_CB_LISTBOX
);
4424 /* FIXME: should we handle changes to WS_EX_RIGHT style after creation? */
4425 if (lpcs
->dwExStyle
& WS_EX_RIGHT
) es
->style
|= ES_RIGHT
;
4427 /* Number overrides lowercase overrides uppercase (at least it
4428 * does in Win95). However I'll bet that ES_NUMBER would be
4429 * invalid under Win 3.1.
4431 if (es
->style
& ES_NUMBER
) {
4432 ; /* do not override the ES_NUMBER */
4433 } else if (es
->style
& ES_LOWERCASE
) {
4434 es
->style
&= ~ES_UPPERCASE
;
4436 if (es
->style
& ES_MULTILINE
) {
4437 es
->buffer_limit
= BUFLIMIT_INITIAL
;
4438 if (es
->style
& WS_VSCROLL
)
4439 es
->style
|= ES_AUTOVSCROLL
;
4440 if (es
->style
& WS_HSCROLL
)
4441 es
->style
|= ES_AUTOHSCROLL
;
4442 es
->style
&= ~ES_PASSWORD
;
4443 if ((es
->style
& ES_CENTER
) || (es
->style
& ES_RIGHT
)) {
4444 /* Confirmed - RIGHT overrides CENTER */
4445 if (es
->style
& ES_RIGHT
)
4446 es
->style
&= ~ES_CENTER
;
4447 es
->style
&= ~WS_HSCROLL
;
4448 es
->style
&= ~ES_AUTOHSCROLL
;
4451 es
->buffer_limit
= BUFLIMIT_INITIAL
;
4452 if ((es
->style
& ES_RIGHT
) && (es
->style
& ES_CENTER
))
4453 es
->style
&= ~ES_CENTER
;
4454 es
->style
&= ~WS_HSCROLL
;
4455 es
->style
&= ~WS_VSCROLL
;
4456 if (es
->style
& ES_PASSWORD
)
4457 es
->password_char
= '*';
4460 alloc_size
= ROUND_TO_GROW((es
->buffer_size
+ 1) * sizeof(WCHAR
));
4461 if(!(es
->hloc32W
= LocalAlloc(LMEM_MOVEABLE
| LMEM_ZEROINIT
, alloc_size
)))
4463 es
->buffer_size
= LocalSize(es
->hloc32W
)/sizeof(WCHAR
) - 1;
4465 if (!(es
->undo_text
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, (es
->buffer_size
+ 1) * sizeof(WCHAR
))))
4467 es
->undo_buffer_size
= es
->buffer_size
;
4469 if (es
->style
& ES_MULTILINE
)
4470 if (!(es
->first_line_def
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(LINEDEF
))))
4475 * In Win95 look and feel, the WS_BORDER style is replaced by the
4476 * WS_EX_CLIENTEDGE style for the edit control. This gives the edit
4477 * control a nonclient area so we don't need to draw the border.
4478 * If WS_BORDER without WS_EX_CLIENTEDGE is specified we shouldn't have
4479 * a nonclient area and we should handle painting the border ourselves.
4481 * When making modifications please ensure that the code still works
4482 * for edit controls created directly with style 0x50800000, exStyle 0
4483 * (which should have a single pixel border)
4485 if (lpcs
->dwExStyle
& WS_EX_CLIENTEDGE
)
4486 es
->style
&= ~WS_BORDER
;
4487 else if (es
->style
& WS_BORDER
)
4488 SetWindowLongW(hwnd
, GWL_STYLE
, es
->style
& ~WS_BORDER
);
4493 SetWindowLongPtrW(es
->hwndSelf
, 0, 0);
4494 EDIT_InvalidateUniscribeData(es
);
4495 HeapFree(GetProcessHeap(), 0, es
->first_line_def
);
4496 HeapFree(GetProcessHeap(), 0, es
->undo_text
);
4497 if (es
->hloc32W
) LocalFree(es
->hloc32W
);
4498 HeapFree(GetProcessHeap(), 0, es
->logAttr
);
4499 HeapFree(GetProcessHeap(), 0, es
);
4504 /*********************************************************************
4509 static LRESULT
EDIT_WM_Create(EDITSTATE
*es
, LPCWSTR name
)
4513 TRACE("%s\n", debugstr_w(name
));
4515 * To initialize some final structure members, we call some helper
4516 * functions. However, since the EDITSTATE is not consistent (i.e.
4517 * not fully initialized), we should be very careful which
4518 * functions can be called, and in what order.
4520 EDIT_WM_SetFont(es
, 0, FALSE
);
4521 EDIT_EM_EmptyUndoBuffer(es
);
4523 /* We need to calculate the format rect
4524 (applications may send EM_SETMARGINS before the control gets visible) */
4525 GetClientRect(es
->hwndSelf
, &clientRect
);
4526 EDIT_SetRectNP(es
, &clientRect
);
4528 if (name
&& *name
) {
4529 EDIT_EM_ReplaceSel(es
, FALSE
, name
, FALSE
, FALSE
);
4530 /* if we insert text to the editline, the text scrolls out
4531 * of the window, as the caret is placed after the insert
4532 * pos normally; thus we reset es->selection... to 0 and
4535 es
->selection_start
= es
->selection_end
= 0;
4536 /* Adobe Photoshop does NOT like this. and MSDN says that EN_CHANGE
4537 * Messages are only to be sent when the USER does something to
4538 * change the contents. So I am removing this EN_CHANGE
4540 * EDIT_NOTIFY_PARENT(es, EN_CHANGE);
4542 EDIT_EM_ScrollCaret(es
);
4544 /* force scroll info update */
4545 EDIT_UpdateScrollInfo(es
);
4546 /* The rule seems to return 1 here for success */
4547 /* Power Builder masked edit controls will crash */
4549 /* FIXME: is that in all cases so ? */
4554 /*********************************************************************
4559 static LRESULT
EDIT_WM_NCDestroy(EDITSTATE
*es
)
4564 LocalFree(es
->hloc32W
);
4567 LocalFree(es
->hloc32A
);
4569 pc
= es
->first_line_def
;
4573 HeapFree(GetProcessHeap(), 0, pc
);
4577 SetWindowLongPtrW( es
->hwndSelf
, 0, 0 );
4578 HeapFree(GetProcessHeap(), 0, es
->undo_text
);
4579 HeapFree(GetProcessHeap(), 0, es
);
4585 static inline LRESULT
DefWindowProcT(HWND hwnd
, UINT msg
, WPARAM wParam
, LPARAM lParam
, BOOL unicode
)
4588 return DefWindowProcW(hwnd
, msg
, wParam
, lParam
);
4590 return DefWindowProcA(hwnd
, msg
, wParam
, lParam
);
4593 /*********************************************************************
4595 * EditWndProc_common
4597 * The messages are in the order of the actual integer values
4598 * (which can be found in include/windows.h)
4600 LRESULT
EditWndProc_common( HWND hwnd
, UINT msg
, WPARAM wParam
, LPARAM lParam
, BOOL unicode
)
4602 EDITSTATE
*es
= (EDITSTATE
*)GetWindowLongPtrW( hwnd
, 0 );
4605 TRACE("hwnd=%p msg=%x (%s) wparam=%lx lparam=%lx\n", hwnd
, msg
, SPY_GetMsgName(msg
, hwnd
), wParam
, lParam
);
4607 if (!es
&& msg
!= WM_NCCREATE
)
4608 return DefWindowProcT(hwnd
, msg
, wParam
, lParam
, unicode
);
4610 if (es
&& (msg
!= WM_NCDESTROY
)) EDIT_LockBuffer(es
);
4614 result
= EDIT_EM_GetSel(es
, (PUINT
)wParam
, (PUINT
)lParam
);
4618 EDIT_EM_SetSel(es
, wParam
, lParam
, FALSE
);
4619 EDIT_EM_ScrollCaret(es
);
4625 CopyRect((LPRECT
)lParam
, &es
->format_rect
);
4629 if ((es
->style
& ES_MULTILINE
) && lParam
) {
4630 EDIT_SetRectNP(es
, (LPRECT
)lParam
);
4631 EDIT_UpdateText(es
, NULL
, TRUE
);
4636 if ((es
->style
& ES_MULTILINE
) && lParam
)
4637 EDIT_SetRectNP(es
, (LPRECT
)lParam
);
4641 result
= EDIT_EM_Scroll(es
, (INT
)wParam
);
4645 result
= (LRESULT
)EDIT_EM_LineScroll(es
, (INT
)wParam
, (INT
)lParam
);
4648 case EM_SCROLLCARET
:
4649 EDIT_EM_ScrollCaret(es
);
4654 result
= ((es
->flags
& EF_MODIFIED
) != 0);
4659 es
->flags
|= EF_MODIFIED
;
4661 es
->flags
&= ~(EF_MODIFIED
| EF_UPDATE
); /* reset pending updates */
4664 case EM_GETLINECOUNT
:
4665 result
= (es
->style
& ES_MULTILINE
) ? es
->line_count
: 1;
4669 result
= (LRESULT
)EDIT_EM_LineIndex(es
, (INT
)wParam
);
4673 EDIT_EM_SetHandle(es
, (HLOCAL
)wParam
);
4677 result
= (LRESULT
)EDIT_EM_GetHandle(es
);
4681 result
= EDIT_EM_GetThumb(es
);
4684 /* these messages missing from specs */
4689 FIXME("undocumented message 0x%x, please report\n", msg
);
4690 result
= DefWindowProcW(hwnd
, msg
, wParam
, lParam
);
4694 result
= (LRESULT
)EDIT_EM_LineLength(es
, (INT
)wParam
);
4702 textW
= (LPWSTR
)lParam
;
4705 LPSTR textA
= (LPSTR
)lParam
;
4706 INT countW
= MultiByteToWideChar(CP_ACP
, 0, textA
, -1, NULL
, 0);
4707 if (!(textW
= HeapAlloc(GetProcessHeap(), 0, countW
* sizeof(WCHAR
)))) break;
4708 MultiByteToWideChar(CP_ACP
, 0, textA
, -1, textW
, countW
);
4711 EDIT_EM_ReplaceSel(es
, (BOOL
)wParam
, textW
, TRUE
, TRUE
);
4715 HeapFree(GetProcessHeap(), 0, textW
);
4720 result
= (LRESULT
)EDIT_EM_GetLine(es
, (INT
)wParam
, (LPWSTR
)lParam
, unicode
);
4723 case EM_SETLIMITTEXT
:
4724 EDIT_EM_SetLimitText(es
, wParam
);
4728 result
= (LRESULT
)EDIT_EM_CanUndo(es
);
4733 result
= (LRESULT
)EDIT_EM_Undo(es
);
4737 result
= (LRESULT
)EDIT_EM_FmtLines(es
, (BOOL
)wParam
);
4740 case EM_LINEFROMCHAR
:
4741 result
= (LRESULT
)EDIT_EM_LineFromChar(es
, (INT
)wParam
);
4744 case EM_SETTABSTOPS
:
4745 result
= (LRESULT
)EDIT_EM_SetTabStops(es
, (INT
)wParam
, (LPINT
)lParam
);
4748 case EM_SETPASSWORDCHAR
:
4753 charW
= (WCHAR
)wParam
;
4756 CHAR charA
= wParam
;
4757 MultiByteToWideChar(CP_ACP
, 0, &charA
, 1, &charW
, 1);
4760 EDIT_EM_SetPasswordChar(es
, charW
);
4764 case EM_EMPTYUNDOBUFFER
:
4765 EDIT_EM_EmptyUndoBuffer(es
);
4768 case EM_GETFIRSTVISIBLELINE
:
4769 result
= (es
->style
& ES_MULTILINE
) ? es
->y_offset
: es
->x_offset
;
4772 case EM_SETREADONLY
:
4774 DWORD old_style
= es
->style
;
4777 SetWindowLongW( hwnd
, GWL_STYLE
,
4778 GetWindowLongW( hwnd
, GWL_STYLE
) | ES_READONLY
);
4779 es
->style
|= ES_READONLY
;
4781 SetWindowLongW( hwnd
, GWL_STYLE
,
4782 GetWindowLongW( hwnd
, GWL_STYLE
) & ~ES_READONLY
);
4783 es
->style
&= ~ES_READONLY
;
4786 if (old_style
^ es
->style
)
4787 InvalidateRect(es
->hwndSelf
, NULL
, TRUE
);
4793 case EM_SETWORDBREAKPROC
:
4794 EDIT_EM_SetWordBreakProc(es
, (void *)lParam
);
4797 case EM_GETWORDBREAKPROC
:
4798 result
= (LRESULT
)es
->word_break_proc
;
4801 case EM_GETPASSWORDCHAR
:
4804 result
= es
->password_char
;
4807 WCHAR charW
= es
->password_char
;
4809 WideCharToMultiByte(CP_ACP
, 0, &charW
, 1, &charA
, 1, NULL
, NULL
);
4816 EDIT_EM_SetMargins(es
, (INT
)wParam
, LOWORD(lParam
), HIWORD(lParam
), TRUE
);
4820 result
= MAKELONG(es
->left_margin
, es
->right_margin
);
4823 case EM_GETLIMITTEXT
:
4824 result
= es
->buffer_limit
;
4827 case EM_POSFROMCHAR
:
4828 if ((INT
)wParam
>= get_text_length(es
)) result
= -1;
4829 else result
= EDIT_EM_PosFromChar(es
, (INT
)wParam
, FALSE
);
4832 case EM_CHARFROMPOS
:
4833 result
= EDIT_EM_CharFromPos(es
, (short)LOWORD(lParam
), (short)HIWORD(lParam
));
4836 /* End of the EM_ messages which were in numerical order; what order
4837 * are these in? vaguely alphabetical?
4841 result
= EDIT_WM_NCCreate(hwnd
, (LPCREATESTRUCTW
)lParam
, unicode
);
4845 result
= EDIT_WM_NCDestroy(es
);
4850 result
= DLGC_HASSETSEL
| DLGC_WANTCHARS
| DLGC_WANTARROWS
;
4852 if (es
->style
& ES_MULTILINE
)
4853 result
|= DLGC_WANTALLKEYS
;
4857 es
->flags
|=EF_DIALOGMODE
;
4859 if (((LPMSG
)lParam
)->message
== WM_KEYDOWN
)
4861 int vk
= (int)((LPMSG
)lParam
)->wParam
;
4863 if (es
->hwndListBox
)
4865 if (vk
== VK_RETURN
|| vk
== VK_ESCAPE
)
4866 if (SendMessageW(GetParent(hwnd
), CB_GETDROPPEDSTATE
, 0, 0))
4867 result
|= DLGC_WANTMESSAGE
;
4879 strng
[0] = wParam
>> 8;
4880 strng
[1] = wParam
& 0xff;
4881 if (strng
[0]) MultiByteToWideChar(CP_ACP
, 0, strng
, 2, &charW
, 1);
4882 else MultiByteToWideChar(CP_ACP
, 0, &strng
[1], 1, &charW
, 1);
4883 result
= EDIT_WM_Char(es
, charW
);
4895 CHAR charA
= wParam
;
4896 MultiByteToWideChar(CP_ACP
, 0, &charA
, 1, &charW
, 1);
4899 if (es
->hwndListBox
)
4901 if (charW
== VK_RETURN
|| charW
== VK_ESCAPE
)
4903 if (SendMessageW(GetParent(hwnd
), CB_GETDROPPEDSTATE
, 0, 0))
4904 SendMessageW(GetParent(hwnd
), WM_KEYDOWN
, charW
, 0);
4908 result
= EDIT_WM_Char(es
, charW
);
4915 if (wParam
== UNICODE_NOCHAR
) return TRUE
;
4916 if (wParam
<= 0x000fffff)
4918 if(wParam
> 0xffff) /* convert to surrogates */
4921 EDIT_WM_Char(es
, (wParam
>> 10) + 0xd800);
4922 EDIT_WM_Char(es
, (wParam
& 0x03ff) + 0xdc00);
4924 else EDIT_WM_Char(es
, wParam
);
4935 EDIT_WM_Command(es
, HIWORD(wParam
), LOWORD(wParam
), (HWND
)lParam
);
4938 case WM_CONTEXTMENU
:
4939 EDIT_WM_ContextMenu(es
, (short)LOWORD(lParam
), (short)HIWORD(lParam
));
4948 result
= EDIT_WM_Create(es
, ((LPCREATESTRUCTW
)lParam
)->lpszName
);
4951 LPCSTR nameA
= ((LPCREATESTRUCTA
)lParam
)->lpszName
;
4952 LPWSTR nameW
= NULL
;
4955 INT countW
= MultiByteToWideChar(CP_ACP
, 0, nameA
, -1, NULL
, 0);
4956 if((nameW
= HeapAlloc(GetProcessHeap(), 0, countW
* sizeof(WCHAR
))))
4957 MultiByteToWideChar(CP_ACP
, 0, nameA
, -1, nameW
, countW
);
4959 result
= EDIT_WM_Create(es
, nameW
);
4960 HeapFree(GetProcessHeap(), 0, nameW
);
4969 es
->bEnableState
= (BOOL
) wParam
;
4970 EDIT_UpdateText(es
, NULL
, TRUE
);
4974 /* we do the proper erase in EDIT_WM_Paint */
4979 result
= (LRESULT
)es
->font
;
4983 result
= (LRESULT
)EDIT_WM_GetText(es
, (INT
)wParam
, (LPWSTR
)lParam
, unicode
);
4986 case WM_GETTEXTLENGTH
:
4987 if (unicode
) result
= get_text_length(es
);
4988 else result
= WideCharToMultiByte( CP_ACP
, 0, es
->text
, get_text_length(es
),
4989 NULL
, 0, NULL
, NULL
);
4993 result
= EDIT_WM_HScroll(es
, LOWORD(wParam
), (short)HIWORD(wParam
));
4997 result
= EDIT_WM_KeyDown(es
, (INT
)wParam
);
5001 result
= EDIT_WM_KillFocus(es
);
5004 case WM_LBUTTONDBLCLK
:
5005 result
= EDIT_WM_LButtonDblClk(es
);
5008 case WM_LBUTTONDOWN
:
5009 result
= EDIT_WM_LButtonDown(es
, wParam
, (short)LOWORD(lParam
), (short)HIWORD(lParam
));
5013 result
= EDIT_WM_LButtonUp(es
);
5016 case WM_MBUTTONDOWN
:
5017 result
= EDIT_WM_MButtonDown(es
);
5021 result
= EDIT_WM_MouseMove(es
, (short)LOWORD(lParam
), (short)HIWORD(lParam
));
5024 case WM_PRINTCLIENT
:
5026 EDIT_WM_Paint(es
, (HDC
)wParam
);
5034 EDIT_WM_SetFocus(es
);
5038 EDIT_WM_SetFont(es
, (HFONT
)wParam
, LOWORD(lParam
) != 0);
5042 /* FIXME: actually set an internal flag and behave accordingly */
5046 EDIT_WM_SetText(es
, (LPCWSTR
)lParam
, unicode
);
5051 EDIT_WM_Size(es
, (UINT
)wParam
, LOWORD(lParam
), HIWORD(lParam
));
5054 case WM_STYLECHANGED
:
5055 result
= EDIT_WM_StyleChanged(es
, wParam
, (const STYLESTRUCT
*)lParam
);
5058 case WM_STYLECHANGING
:
5059 result
= 0; /* See EDIT_WM_StyleChanged */
5063 result
= EDIT_WM_SysKeyDown(es
, (INT
)wParam
, (DWORD
)lParam
);
5071 result
= EDIT_WM_VScroll(es
, LOWORD(wParam
), (short)HIWORD(wParam
));
5076 int gcWheelDelta
= 0;
5077 UINT pulScrollLines
= 3;
5078 SystemParametersInfoW(SPI_GETWHEELSCROLLLINES
,0, &pulScrollLines
, 0);
5080 if (wParam
& (MK_SHIFT
| MK_CONTROL
)) {
5081 result
= DefWindowProcW(hwnd
, msg
, wParam
, lParam
);
5084 gcWheelDelta
-= GET_WHEEL_DELTA_WPARAM(wParam
);
5085 if (abs(gcWheelDelta
) >= WHEEL_DELTA
&& pulScrollLines
)
5087 int cLineScroll
= (int) min((UINT
) es
->line_count
, pulScrollLines
);
5088 cLineScroll
*= (gcWheelDelta
/ WHEEL_DELTA
);
5089 result
= EDIT_EM_LineScroll(es
, 0, cLineScroll
);
5095 /* IME messages to make the edit control IME aware */
5096 case WM_IME_SETCONTEXT
:
5099 case WM_IME_STARTCOMPOSITION
:
5100 es
->composition_start
= es
->selection_end
;
5101 es
->composition_len
= 0;
5104 case WM_IME_COMPOSITION
:
5105 EDIT_ImeComposition(hwnd
, lParam
, es
);
5108 case WM_IME_ENDCOMPOSITION
:
5109 if (es
->composition_len
> 0)
5111 EDIT_EM_ReplaceSel(es
, TRUE
, empty_stringW
, TRUE
, TRUE
);
5112 es
->selection_end
= es
->selection_start
;
5113 es
->composition_len
= 0;
5117 case WM_IME_COMPOSITIONFULL
:
5123 case WM_IME_CONTROL
:
5127 result
= DefWindowProcT(hwnd
, msg
, wParam
, lParam
, unicode
);
5131 if (IsWindow(hwnd
) && es
) EDIT_UnlockBuffer(es
, FALSE
);
5133 TRACE("hwnd=%p msg=%x (%s) -- 0x%08lx\n", hwnd
, msg
, SPY_GetMsgName(msg
, hwnd
), result
);
5139 /*********************************************************************
5140 * edit class descriptor
5142 static const WCHAR editW
[] = {'E','d','i','t',0};
5143 const struct builtin_class_descr EDIT_builtin_class
=
5146 CS_DBLCLKS
| CS_PARENTDC
, /* style */
5147 WINPROC_EDIT
, /* proc */
5149 sizeof(EDITSTATE
*) + sizeof(WORD
), /* extra */
5151 sizeof(EDITSTATE
*), /* extra */
5153 IDC_IBEAM
, /* cursor */