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_DIALOGMODE 0x0200 /* Indicates that we are inside a dialog window */
86 END_0
= 0, /* line ends with terminating '\0' character */
87 END_WRAP
, /* line is wrapped */
88 END_HARD
, /* line ends with a hard return '\r\n' */
89 END_SOFT
, /* line ends with a soft return '\r\r\n' */
90 END_RICH
/* line ends with a single '\n' */
93 typedef struct tagLINEDEF
{
94 INT length
; /* bruto length of a line in bytes */
95 INT net_length
; /* netto length of a line in visible characters */
97 INT width
; /* width of the line in pixels */
98 INT index
; /* line index into the buffer */
99 SCRIPT_STRING_ANALYSIS ssa
; /* Uniscribe Data */
100 struct tagLINEDEF
*next
;
105 BOOL is_unicode
; /* how the control was created */
106 LPWSTR text
; /* the actual contents of the control */
107 UINT text_length
; /* cached length of text buffer (in WCHARs) - use get_text_length() to retrieve */
108 UINT buffer_size
; /* the size of the buffer in characters */
109 UINT buffer_limit
; /* the maximum size to which the buffer may grow in characters */
110 HFONT font
; /* NULL means standard system font */
111 INT x_offset
; /* scroll offset for multi lines this is in pixels
112 for single lines it's in characters */
113 INT line_height
; /* height of a screen line in pixels */
114 INT char_width
; /* average character width in pixels */
115 DWORD style
; /* sane version of wnd->dwStyle */
116 WORD flags
; /* flags that are not in es->style or wnd->flags (EF_XXX) */
117 INT undo_insert_count
; /* number of characters inserted in sequence */
118 UINT undo_position
; /* character index of the insertion and deletion */
119 LPWSTR undo_text
; /* deleted text */
120 UINT undo_buffer_size
; /* size of the deleted text buffer */
121 INT selection_start
; /* == selection_end if no selection */
122 INT selection_end
; /* == current caret position */
123 WCHAR password_char
; /* == 0 if no password char, and for multi line controls */
124 INT left_margin
; /* in pixels */
125 INT right_margin
; /* in pixels */
127 INT text_width
; /* width of the widest line in pixels for multi line controls
128 and just line width for single line controls */
129 INT region_posx
; /* Position of cursor relative to region: */
130 INT region_posy
; /* -1: to left, 0: within, 1: to right */
131 void *word_break_proc
; /* 32-bit word break proc: ANSI or Unicode */
132 INT line_count
; /* number of lines */
133 INT y_offset
; /* scroll offset in number of lines */
134 BOOL bCaptureState
; /* flag indicating whether mouse was captured */
135 BOOL bEnableState
; /* flag keeping the enable state */
136 HWND hwndSelf
; /* the our window handle */
137 HWND hwndParent
; /* Handle of parent for sending EN_* messages.
138 Even if parent will change, EN_* messages
139 should be sent to the first parent. */
140 HWND hwndListBox
; /* handle of ComboBox's listbox or NULL */
141 INT wheelDeltaRemainder
; /* scroll wheel delta left over after scrolling whole lines */
143 * only for multi line controls
145 INT lock_count
; /* amount of re-entries in the EditWndProc */
148 LINEDEF
*first_line_def
; /* linked list of (soft) linebreaks */
149 HLOCAL hloc32W
; /* our unicode local memory block */
150 HLOCAL hloc32A
; /* alias for ANSI control receiving EM_GETHANDLE
152 HLOCAL hlocapp
; /* The text buffer handle belongs to the app */
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 LRESULT
EDIT_EM_PosFromChar(EDITSTATE
*es
, INT index
, BOOL after_wrap
);
181 /*********************************************************************
186 static inline BOOL
EDIT_EM_CanUndo(const EDITSTATE
*es
)
188 return (es
->undo_insert_count
|| strlenW(es
->undo_text
));
192 /*********************************************************************
197 static inline void EDIT_EM_EmptyUndoBuffer(EDITSTATE
*es
)
199 es
->undo_insert_count
= 0;
200 *es
->undo_text
= '\0';
204 /**********************************************************************
207 * Returns the window version in case Wine emulates a later version
208 * of windows than the application expects.
210 * In a number of cases when windows runs an application that was
211 * designed for an earlier windows version, windows reverts
212 * to "old" behaviour of that earlier version.
214 * An example is a disabled edit control that needs to be painted.
215 * Old style behaviour is to send a WM_CTLCOLOREDIT message. This was
216 * changed in Win95, NT4.0 by a WM_CTLCOLORSTATIC message _only_ for
217 * applications with an expected version 0f 4.0 or higher.
220 static DWORD
get_app_version(void)
222 static DWORD version
;
225 DWORD dwEmulatedVersion
;
227 DWORD dwProcVersion
= GetProcessVersion(0);
229 info
.dwOSVersionInfoSize
= sizeof(OSVERSIONINFOW
);
230 GetVersionExW( &info
);
231 dwEmulatedVersion
= MAKELONG( info
.dwMinorVersion
, info
.dwMajorVersion
);
232 /* FIXME: this may not be 100% correct; see discussion on the
233 * wine developer list in Nov 1999 */
234 version
= dwProcVersion
< dwEmulatedVersion
? dwProcVersion
: dwEmulatedVersion
;
239 static HBRUSH
EDIT_NotifyCtlColor(EDITSTATE
*es
, HDC hdc
)
244 if ( get_app_version() >= 0x40000 && (!es
->bEnableState
|| (es
->style
& ES_READONLY
)))
245 msg
= WM_CTLCOLORSTATIC
;
247 msg
= WM_CTLCOLOREDIT
;
249 /* why do we notify to es->hwndParent, and we send this one to GetParent()? */
250 hbrush
= (HBRUSH
)SendMessageW(GetParent(es
->hwndSelf
), msg
, (WPARAM
)hdc
, (LPARAM
)es
->hwndSelf
);
252 hbrush
= (HBRUSH
)DefWindowProcW(GetParent(es
->hwndSelf
), msg
, (WPARAM
)hdc
, (LPARAM
)es
->hwndSelf
);
257 static inline UINT
get_text_length(EDITSTATE
*es
)
259 if(es
->text_length
== (UINT
)-1)
260 es
->text_length
= strlenW(es
->text
);
261 return es
->text_length
;
265 /*********************************************************************
269 * Find the beginning of words.
270 * Note: unlike the specs for a WordBreakProc, this function can
271 * only be called without linebreaks between s[0] up to
272 * s[count - 1]. Remember it is only called
273 * internally, so we can decide this for ourselves.
274 * Additionally we will always be breaking the full string.
277 static INT
EDIT_WordBreakProc(EDITSTATE
*es
, LPWSTR s
, INT index
, INT count
, INT action
)
281 TRACE("s=%p, index=%d, count=%d, action=%d\n", s
, index
, count
, action
);
289 memset(&psa
,0,sizeof(SCRIPT_ANALYSIS
));
290 psa
.eScript
= SCRIPT_UNDEFINED
;
292 es
->logAttr
= HeapAlloc(GetProcessHeap(), 0, sizeof(SCRIPT_LOGATTR
) * get_text_length(es
));
293 ScriptBreak(es
->text
, get_text_length(es
), &psa
, es
->logAttr
);
300 while (index
&& !es
->logAttr
[index
].fSoftBreak
)
307 while (index
< count
&& s
[index
] && !es
->logAttr
[index
].fSoftBreak
)
312 ret
= es
->logAttr
[index
].fWhiteSpace
;
315 ERR("unknown action code, please report !\n");
322 /*********************************************************************
324 * EDIT_CallWordBreakProc
326 * Call appropriate WordBreakProc (internal or external).
328 * Note: The "start" argument should always be an index referring
329 * to es->text. The actual wordbreak proc might be
330 * 16 bit, so we can't always pass any 32 bit LPSTR.
331 * Hence we assume that es->text is the buffer that holds
332 * the string under examination (we can decide this for ourselves).
335 static INT
EDIT_CallWordBreakProc(EDITSTATE
*es
, INT start
, INT index
, INT count
, INT action
)
339 if (es
->word_break_proc
)
343 EDITWORDBREAKPROCW wbpW
= (EDITWORDBREAKPROCW
)es
->word_break_proc
;
345 TRACE_(relay
)("\1Call wordbreakW %p (str=%s,idx=%d,cnt=%d,act=%d)\n",
346 es
->word_break_proc
, debugstr_wn(es
->text
+ start
, count
), index
, count
, action
);
347 ret
= wbpW(es
->text
+ start
, index
, count
, action
);
348 TRACE_(relay
)("\1Ret wordbreakW %p retval=%d\n", es
->word_break_proc
, ret
);
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
)("\1Call wordbreakA %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
);
363 TRACE_(relay
)("\1Ret wordbreakA %p retval=%d\n", es
->word_break_proc
, ret
);
367 ret
= EDIT_WordBreakProc(es
, es
->text
, index
+start
, count
+start
, action
) - start
;
372 static inline void EDIT_InvalidateUniscribeData_linedef(LINEDEF
*line_def
)
376 ScriptStringFree(&line_def
->ssa
);
377 line_def
->ssa
= NULL
;
381 static inline void EDIT_InvalidateUniscribeData(EDITSTATE
*es
)
383 LINEDEF
*line_def
= es
->first_line_def
;
386 EDIT_InvalidateUniscribeData_linedef(line_def
);
387 line_def
= line_def
->next
;
391 ScriptStringFree(&es
->ssa
);
396 static SCRIPT_STRING_ANALYSIS
EDIT_UpdateUniscribeData_linedef(EDITSTATE
*es
, HDC dc
, LINEDEF
*line_def
)
401 if (line_def
->net_length
&& !line_def
->ssa
)
403 int index
= line_def
->index
;
404 HFONT old_font
= NULL
;
406 SCRIPT_TABDEF tabdef
;
410 udc
= GetDC(es
->hwndSelf
);
412 old_font
= SelectObject(udc
, es
->font
);
414 tabdef
.cTabStops
= es
->tabs_count
;
415 tabdef
.iScale
= GdiGetCharDimensions(udc
, NULL
, NULL
);
416 tabdef
.pTabStops
= es
->tabs
;
417 tabdef
.iTabOrigin
= 0;
419 hr
= ScriptStringAnalyse(udc
, &es
->text
[index
], line_def
->net_length
,
420 (1.5*line_def
->net_length
+16), -1,
421 SSA_LINK
|SSA_FALLBACK
|SSA_GLYPHS
|SSA_TAB
, -1,
422 NULL
, NULL
, NULL
, &tabdef
, NULL
, &line_def
->ssa
);
425 WARN("ScriptStringAnalyse failed (%x)\n",hr
);
426 line_def
->ssa
= NULL
;
430 SelectObject(udc
, old_font
);
432 ReleaseDC(es
->hwndSelf
, udc
);
435 return line_def
->ssa
;
438 static SCRIPT_STRING_ANALYSIS
EDIT_UpdateUniscribeData(EDITSTATE
*es
, HDC dc
, INT line
)
442 if (!(es
->style
& ES_MULTILINE
))
446 INT length
= get_text_length(es
);
447 HFONT old_font
= NULL
;
451 udc
= GetDC(es
->hwndSelf
);
453 old_font
= SelectObject(udc
, es
->font
);
455 if (es
->style
& ES_PASSWORD
)
456 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
);
458 ScriptStringAnalyse(udc
, es
->text
, length
, (1.5*length
+16), -1, SSA_LINK
|SSA_FALLBACK
|SSA_GLYPHS
, -1, NULL
, NULL
, NULL
, NULL
, NULL
, &es
->ssa
);
461 SelectObject(udc
, old_font
);
463 ReleaseDC(es
->hwndSelf
, udc
);
469 line_def
= es
->first_line_def
;
470 while (line_def
&& line
)
472 line_def
= line_def
->next
;
476 return EDIT_UpdateUniscribeData_linedef(es
,dc
,line_def
);
480 static inline INT
get_vertical_line_count(EDITSTATE
*es
)
482 INT vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
486 /*********************************************************************
488 * EDIT_BuildLineDefs_ML
490 * Build linked list of text lines.
491 * Lines can end with '\0' (last line), a character (if it is wrapped),
492 * a soft return '\r\r\n' or a hard return '\r\n'
495 static void EDIT_BuildLineDefs_ML(EDITSTATE
*es
, INT istart
, INT iend
, INT delta
, HRGN hrgn
)
497 LPWSTR current_position
, cp
;
499 LINEDEF
*current_line
;
500 LINEDEF
*previous_line
;
502 INT line_index
= 0, nstart_line
, nstart_index
;
503 INT line_count
= es
->line_count
;
508 if (istart
== iend
&& delta
== 0)
511 previous_line
= NULL
;
512 current_line
= es
->first_line_def
;
514 /* Find starting line. istart must lie inside an existing line or
515 * at the end of buffer */
517 if (istart
< current_line
->index
+ current_line
->length
||
518 current_line
->ending
== END_0
)
521 previous_line
= current_line
;
522 current_line
= current_line
->next
;
524 } while (current_line
);
526 if (!current_line
) /* Error occurred start is not inside previous buffer */
528 FIXME(" modification occurred outside buffer\n");
532 /* Remember start of modifications in order to calculate update region */
533 nstart_line
= line_index
;
534 nstart_index
= current_line
->index
;
536 /* We must start to reformat from the previous line since the modifications
537 * may have caused the line to wrap upwards. */
538 if (!(es
->style
& ES_AUTOHSCROLL
) && line_index
> 0)
541 current_line
= previous_line
;
543 start_line
= current_line
;
545 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
546 current_position
= es
->text
+ current_line
->index
;
547 vlc
= get_vertical_line_count(es
);
549 if (current_line
!= start_line
)
551 if (!current_line
|| current_line
->index
+ delta
> current_position
- es
->text
)
553 /* The buffer has been expanded, create a new line and
554 insert it into the link list */
555 LINEDEF
*new_line
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(LINEDEF
));
556 new_line
->next
= previous_line
->next
;
557 previous_line
->next
= new_line
;
558 current_line
= new_line
;
561 else if (current_line
->index
+ delta
< current_position
- es
->text
)
563 /* The previous line merged with this line so we delete this extra entry */
564 previous_line
->next
= current_line
->next
;
565 HeapFree(GetProcessHeap(), 0, current_line
);
566 current_line
= previous_line
->next
;
570 else /* current_line->index + delta == current_position */
572 if (current_position
- es
->text
> iend
)
573 break; /* We reached end of line modifications */
574 /* else recalculate this line */
578 current_line
->index
= current_position
- es
->text
;
579 orig_net_length
= current_line
->net_length
;
581 /* Find end of line */
582 cp
= current_position
;
584 if (*cp
== '\n') break;
585 if ((*cp
== '\r') && (*(cp
+ 1) == '\n'))
590 /* Mark type of line termination */
592 current_line
->ending
= END_0
;
593 current_line
->net_length
= strlenW(current_position
);
594 } else if ((cp
> current_position
) && (*(cp
- 1) == '\r')) {
595 current_line
->ending
= END_SOFT
;
596 current_line
->net_length
= cp
- current_position
- 1;
597 } else if (*cp
== '\n') {
598 current_line
->ending
= END_RICH
;
599 current_line
->net_length
= cp
- current_position
;
601 current_line
->ending
= END_HARD
;
602 current_line
->net_length
= cp
- current_position
;
605 if (current_line
->net_length
)
608 EDIT_InvalidateUniscribeData_linedef(current_line
);
609 EDIT_UpdateUniscribeData_linedef(es
, NULL
, current_line
);
610 if (current_line
->ssa
)
612 sz
= ScriptString_pSize(current_line
->ssa
);
613 /* Calculate line width */
614 current_line
->width
= sz
->cx
;
616 else current_line
->width
= es
->char_width
* current_line
->net_length
;
618 else current_line
->width
= 0;
620 /* FIXME: check here for lines that are too wide even in AUTOHSCROLL (> 32767 ???) */
622 /* Line breaks just look back from the end and find the next break and try that. */
624 if (!(es
->style
& ES_AUTOHSCROLL
)) {
625 if (current_line
->width
> fw
&& fw
> es
->char_width
) {
632 prev
= current_line
->net_length
- 1;
633 w
= current_line
->net_length
;
634 d
= (float)current_line
->width
/(float)fw
;
635 if (d
> 1.2f
) d
-= 0.2f
;
637 if (next
>= prev
) next
= prev
-1;
639 prev
= EDIT_CallWordBreakProc(es
, current_position
- es
->text
,
640 next
, current_line
->net_length
, WB_LEFT
);
641 current_line
->net_length
= prev
;
642 EDIT_InvalidateUniscribeData_linedef(current_line
);
643 EDIT_UpdateUniscribeData_linedef(es
, NULL
, current_line
);
644 if (current_line
->ssa
)
645 sz
= ScriptString_pSize(current_line
->ssa
);
648 current_line
->width
= sz
->cx
;
652 } while (prev
&& current_line
->width
> fw
);
653 current_line
->net_length
= w
;
655 if (prev
== 0) { /* Didn't find a line break so force a break */
659 EDIT_InvalidateUniscribeData_linedef(current_line
);
660 EDIT_UpdateUniscribeData_linedef(es
, NULL
, current_line
);
662 if (current_line
->ssa
)
664 count
= ScriptString_pcOutChars(current_line
->ssa
);
665 piDx
= HeapAlloc(GetProcessHeap(),0,sizeof(INT
) * (*count
));
666 ScriptStringGetLogicalWidths(current_line
->ssa
,piDx
);
668 prev
= current_line
->net_length
-1;
670 current_line
->width
-= piDx
[prev
];
672 } while ( prev
> 0 && current_line
->width
> fw
);
675 HeapFree(GetProcessHeap(),0,piDx
);
678 prev
= (fw
/ es
->char_width
);
681 /* If the first line we are calculating, wrapped before istart, we must
682 * adjust istart in order for this to be reflected in the update region. */
683 if (current_line
->index
== nstart_index
&& istart
> current_line
->index
+ prev
)
684 istart
= current_line
->index
+ prev
;
685 /* else if we are updating the previous line before the first line we
686 * are re-calculating and it expanded */
687 else if (current_line
== start_line
&&
688 current_line
->index
!= nstart_index
&& orig_net_length
< prev
)
690 /* Line expanded due to an upwards line wrap so we must partially include
691 * previous line in update region */
692 nstart_line
= line_index
;
693 nstart_index
= current_line
->index
;
694 istart
= current_line
->index
+ orig_net_length
;
697 current_line
->net_length
= prev
;
698 current_line
->ending
= END_WRAP
;
700 if (current_line
->net_length
> 0)
702 EDIT_UpdateUniscribeData_linedef(es
, NULL
, current_line
);
703 if (current_line
->ssa
)
705 sz
= ScriptString_pSize(current_line
->ssa
);
706 current_line
->width
= sz
->cx
;
709 current_line
->width
= 0;
711 else current_line
->width
= 0;
713 else if (current_line
== start_line
&&
714 current_line
->index
!= nstart_index
&&
715 orig_net_length
< current_line
->net_length
) {
716 /* The previous line expanded but it's still not as wide as the client rect */
717 /* The expansion is due to an upwards line wrap so we must partially include
718 it in the update region */
719 nstart_line
= line_index
;
720 nstart_index
= current_line
->index
;
721 istart
= current_line
->index
+ orig_net_length
;
726 /* Adjust length to include line termination */
727 switch (current_line
->ending
) {
729 current_line
->length
= current_line
->net_length
+ 3;
732 current_line
->length
= current_line
->net_length
+ 1;
735 current_line
->length
= current_line
->net_length
+ 2;
739 current_line
->length
= current_line
->net_length
;
742 es
->text_width
= max(es
->text_width
, current_line
->width
);
743 current_position
+= current_line
->length
;
744 previous_line
= current_line
;
746 /* Discard data for non-visible lines. It will be calculated as needed */
747 if ((line_index
< es
->y_offset
) || (line_index
> es
->y_offset
+ vlc
))
748 EDIT_InvalidateUniscribeData_linedef(current_line
);
750 current_line
= current_line
->next
;
752 } while (previous_line
->ending
!= END_0
);
754 /* Finish adjusting line indexes by delta or remove hanging lines */
755 if (previous_line
->ending
== END_0
)
757 LINEDEF
*pnext
= NULL
;
759 previous_line
->next
= NULL
;
762 pnext
= current_line
->next
;
763 EDIT_InvalidateUniscribeData_linedef(current_line
);
764 HeapFree(GetProcessHeap(), 0, current_line
);
765 current_line
= pnext
;
773 current_line
->index
+= delta
;
774 current_line
= current_line
->next
;
778 /* Calculate rest of modification rectangle */
783 * We calculate two rectangles. One for the first line which may have
784 * an indent with respect to the format rect. The other is a format-width
785 * rectangle that spans the rest of the lines that changed or moved.
787 rc
.top
= es
->format_rect
.top
+ nstart_line
* es
->line_height
-
788 (es
->y_offset
* es
->line_height
); /* Adjust for vertical scrollbar */
789 rc
.bottom
= rc
.top
+ es
->line_height
;
790 if ((es
->style
& ES_CENTER
) || (es
->style
& ES_RIGHT
))
791 rc
.left
= es
->format_rect
.left
;
793 rc
.left
= LOWORD(EDIT_EM_PosFromChar(es
, nstart_index
, FALSE
));
794 rc
.right
= es
->format_rect
.right
;
795 SetRectRgn(hrgn
, rc
.left
, rc
.top
, rc
.right
, rc
.bottom
);
798 rc
.left
= es
->format_rect
.left
;
799 rc
.right
= es
->format_rect
.right
;
801 * If lines were added or removed we must re-paint the remainder of the
802 * lines since the remaining lines were either shifted up or down.
804 if (line_count
< es
->line_count
) /* We added lines */
805 rc
.bottom
= es
->line_count
* es
->line_height
;
806 else if (line_count
> es
->line_count
) /* We removed lines */
807 rc
.bottom
= line_count
* es
->line_height
;
809 rc
.bottom
= line_index
* es
->line_height
;
810 rc
.bottom
+= es
->format_rect
.top
;
811 rc
.bottom
-= (es
->y_offset
* es
->line_height
); /* Adjust for vertical scrollbar */
812 tmphrgn
= CreateRectRgn(rc
.left
, rc
.top
, rc
.right
, rc
.bottom
);
813 CombineRgn(hrgn
, hrgn
, tmphrgn
, RGN_OR
);
814 DeleteObject(tmphrgn
);
818 /*********************************************************************
820 * EDIT_CalcLineWidth_SL
823 static void EDIT_CalcLineWidth_SL(EDITSTATE
*es
)
825 EDIT_UpdateUniscribeData(es
, NULL
, 0);
829 size
= ScriptString_pSize(es
->ssa
);
830 es
->text_width
= size
->cx
;
836 /*********************************************************************
840 * Beware: This is not the function called on EM_CHARFROMPOS
841 * The position _can_ be outside the formatting / client
843 * The return value is only the character index
846 static INT
EDIT_CharFromPos(EDITSTATE
*es
, INT x
, INT y
, LPBOOL after_wrap
)
850 if (es
->style
& ES_MULTILINE
) {
852 INT line
= (y
- es
->format_rect
.top
) / es
->line_height
+ es
->y_offset
;
854 LINEDEF
*line_def
= es
->first_line_def
;
855 EDIT_UpdateUniscribeData(es
, NULL
, line
);
856 while ((line
> 0) && line_def
->next
) {
857 line_index
+= line_def
->length
;
858 line_def
= line_def
->next
;
862 x
+= es
->x_offset
- es
->format_rect
.left
;
863 if (es
->style
& ES_RIGHT
)
864 x
-= (es
->format_rect
.right
- es
->format_rect
.left
) - line_def
->width
;
865 else if (es
->style
& ES_CENTER
)
866 x
-= ((es
->format_rect
.right
- es
->format_rect
.left
) - line_def
->width
) / 2;
867 if (x
>= line_def
->width
) {
869 *after_wrap
= (line_def
->ending
== END_WRAP
);
870 return line_index
+ line_def
->net_length
;
872 if (x
<= 0 || !line_def
->ssa
) {
878 ScriptStringXtoCP(line_def
->ssa
, x
, &index
, &trailing
);
879 if (trailing
) index
++;
882 *after_wrap
= ((index
== line_index
+ line_def
->net_length
) &&
883 (line_def
->ending
== END_WRAP
));
889 x
-= es
->format_rect
.left
;
895 INT indent
= (es
->format_rect
.right
- es
->format_rect
.left
) - es
->text_width
;
896 if (es
->style
& ES_RIGHT
)
898 else if (es
->style
& ES_CENTER
)
902 EDIT_UpdateUniscribeData(es
, NULL
, 0);
907 if (es
->x_offset
>= get_text_length(es
))
910 size
= ScriptString_pSize(es
->ssa
);
913 ScriptStringCPtoX(es
->ssa
, es
->x_offset
, FALSE
, &xoff
);
920 if (x
+ xoff
> 0 || !es
->ssa
)
922 ScriptStringXtoCP(es
->ssa
, x
+xoff
, &index
, &trailing
);
923 if (trailing
) index
++;
932 const SIZE
*size
= NULL
;
934 size
= ScriptString_pSize(es
->ssa
);
937 else if (x
> size
->cx
)
938 index
= get_text_length(es
);
941 ScriptStringXtoCP(es
->ssa
, x
+xoff
, &index
, &trailing
);
942 if (trailing
) index
++;
948 index
= es
->x_offset
;
955 /*********************************************************************
959 * adjusts the point to be within the formatting rectangle
960 * (so CharFromPos returns the nearest _visible_ character)
963 static void EDIT_ConfinePoint(const EDITSTATE
*es
, LPINT x
, LPINT y
)
965 *x
= min(max(*x
, es
->format_rect
.left
), es
->format_rect
.right
- 1);
966 *y
= min(max(*y
, es
->format_rect
.top
), es
->format_rect
.bottom
- 1);
970 /*********************************************************************
975 static INT
EDIT_EM_LineFromChar(EDITSTATE
*es
, INT index
)
980 if (!(es
->style
& ES_MULTILINE
))
982 if (index
> (INT
)get_text_length(es
))
983 return es
->line_count
- 1;
985 index
= min(es
->selection_start
, es
->selection_end
);
988 line_def
= es
->first_line_def
;
989 index
-= line_def
->length
;
990 while ((index
>= 0) && line_def
->next
) {
992 line_def
= line_def
->next
;
993 index
-= line_def
->length
;
999 /*********************************************************************
1004 static INT
EDIT_EM_LineIndex(const EDITSTATE
*es
, INT line
)
1007 const LINEDEF
*line_def
;
1009 if (!(es
->style
& ES_MULTILINE
))
1011 if (line
>= es
->line_count
)
1015 line_def
= es
->first_line_def
;
1017 INT index
= es
->selection_end
- line_def
->length
;
1018 while ((index
>= 0) && line_def
->next
) {
1019 line_index
+= line_def
->length
;
1020 line_def
= line_def
->next
;
1021 index
-= line_def
->length
;
1025 line_index
+= line_def
->length
;
1026 line_def
= line_def
->next
;
1034 /*********************************************************************
1039 static INT
EDIT_EM_LineLength(EDITSTATE
*es
, INT index
)
1043 if (!(es
->style
& ES_MULTILINE
))
1044 return get_text_length(es
);
1047 /* get the number of remaining non-selected chars of selected lines */
1048 INT32 l
; /* line number */
1049 INT32 li
; /* index of first char in line */
1051 l
= EDIT_EM_LineFromChar(es
, es
->selection_start
);
1052 /* # chars before start of selection area */
1053 count
= es
->selection_start
- EDIT_EM_LineIndex(es
, l
);
1054 l
= EDIT_EM_LineFromChar(es
, es
->selection_end
);
1055 /* # chars after end of selection */
1056 li
= EDIT_EM_LineIndex(es
, l
);
1057 count
+= li
+ EDIT_EM_LineLength(es
, li
) - es
->selection_end
;
1060 line_def
= es
->first_line_def
;
1061 index
-= line_def
->length
;
1062 while ((index
>= 0) && line_def
->next
) {
1063 line_def
= line_def
->next
;
1064 index
-= line_def
->length
;
1066 return line_def
->net_length
;
1070 /*********************************************************************
1075 static LRESULT
EDIT_EM_PosFromChar(EDITSTATE
*es
, INT index
, BOOL after_wrap
)
1077 INT len
= get_text_length(es
);
1086 index
= min(index
, len
);
1087 if (es
->style
& ES_MULTILINE
) {
1088 l
= EDIT_EM_LineFromChar(es
, index
);
1089 EDIT_UpdateUniscribeData(es
, NULL
, l
);
1091 y
= (l
- es
->y_offset
) * es
->line_height
;
1092 li
= EDIT_EM_LineIndex(es
, l
);
1093 if (after_wrap
&& (li
== index
) && l
) {
1095 line_def
= es
->first_line_def
;
1097 line_def
= line_def
->next
;
1100 if (line_def
->ending
== END_WRAP
) {
1102 y
-= es
->line_height
;
1103 li
= EDIT_EM_LineIndex(es
, l
);
1107 line_def
= es
->first_line_def
;
1108 while (line_def
->index
!= li
)
1109 line_def
= line_def
->next
;
1111 lw
= line_def
->width
;
1112 w
= es
->format_rect
.right
- es
->format_rect
.left
;
1115 ScriptStringCPtoX(line_def
->ssa
, (index
- 1) - li
, TRUE
, &x
);
1121 if (es
->style
& ES_RIGHT
)
1123 else if (es
->style
& ES_CENTER
)
1128 EDIT_UpdateUniscribeData(es
, NULL
, 0);
1133 if (es
->x_offset
>= get_text_length(es
))
1135 int leftover
= es
->x_offset
- get_text_length(es
);
1139 size
= ScriptString_pSize(es
->ssa
);
1144 xoff
+= es
->char_width
* leftover
;
1147 ScriptStringCPtoX(es
->ssa
, es
->x_offset
, FALSE
, &xoff
);
1154 if (index
>= get_text_length(es
))
1159 size
= ScriptString_pSize(es
->ssa
);
1166 ScriptStringCPtoX(es
->ssa
, index
, FALSE
, &xi
);
1172 if (index
>= es
->x_offset
) {
1173 if (!es
->x_offset
&& (es
->style
& (ES_RIGHT
| ES_CENTER
)))
1175 w
= es
->format_rect
.right
- es
->format_rect
.left
;
1176 if (w
> es
->text_width
)
1178 if (es
->style
& ES_RIGHT
)
1179 x
+= w
- es
->text_width
;
1180 else if (es
->style
& ES_CENTER
)
1181 x
+= (w
- es
->text_width
) / 2;
1187 x
+= es
->format_rect
.left
;
1188 y
+= es
->format_rect
.top
;
1189 return MAKELONG((INT16
)x
, (INT16
)y
);
1193 /*********************************************************************
1197 * Calculates the bounding rectangle for a line from a starting
1198 * column to an ending column.
1201 static void EDIT_GetLineRect(EDITSTATE
*es
, INT line
, INT scol
, INT ecol
, LPRECT rc
)
1203 SCRIPT_STRING_ANALYSIS ssa
;
1207 if (es
->style
& ES_MULTILINE
)
1209 const LINEDEF
*line_def
= NULL
;
1210 rc
->top
= es
->format_rect
.top
+ (line
- es
->y_offset
) * es
->line_height
;
1211 if (line
>= es
->line_count
)
1214 line_def
= es
->first_line_def
;
1216 INT index
= es
->selection_end
- line_def
->length
;
1217 while ((index
>= 0) && line_def
->next
) {
1218 line_index
+= line_def
->length
;
1219 line_def
= line_def
->next
;
1220 index
-= line_def
->length
;
1224 line_index
+= line_def
->length
;
1225 line_def
= line_def
->next
;
1229 ssa
= line_def
->ssa
;
1234 rc
->top
= es
->format_rect
.top
;
1238 rc
->bottom
= rc
->top
+ es
->line_height
;
1239 pt1
= (scol
== 0) ? es
->format_rect
.left
: (short)LOWORD(EDIT_EM_PosFromChar(es
, line_index
+ scol
, TRUE
));
1240 pt2
= (ecol
== -1) ? es
->format_rect
.right
: (short)LOWORD(EDIT_EM_PosFromChar(es
, line_index
+ ecol
, TRUE
));
1243 ScriptStringCPtoX(ssa
, scol
, FALSE
, &pt3
);
1244 pt3
+=es
->format_rect
.left
;
1247 rc
->right
= max(max(pt1
, pt2
),pt3
);
1248 rc
->left
= min(min(pt1
, pt2
),pt3
);
1252 static inline void text_buffer_changed(EDITSTATE
*es
)
1254 es
->text_length
= (UINT
)-1;
1256 HeapFree( GetProcessHeap(), 0, es
->logAttr
);
1258 EDIT_InvalidateUniscribeData(es
);
1261 /*********************************************************************
1265 static void EDIT_LockBuffer(EDITSTATE
*es
)
1267 if (es
->hlocapp
) return;
1271 if(!es
->hloc32W
) return;
1275 CHAR
*textA
= LocalLock(es
->hloc32A
);
1277 UINT countW_new
= MultiByteToWideChar(CP_ACP
, 0, textA
, -1, NULL
, 0);
1278 if(countW_new
> es
->buffer_size
+ 1)
1280 UINT alloc_size
= ROUND_TO_GROW(countW_new
* sizeof(WCHAR
));
1281 TRACE("Resizing 32-bit UNICODE buffer from %d+1 to %d WCHARs\n", es
->buffer_size
, countW_new
);
1282 hloc32W_new
= LocalReAlloc(es
->hloc32W
, alloc_size
, LMEM_MOVEABLE
| LMEM_ZEROINIT
);
1285 es
->hloc32W
= hloc32W_new
;
1286 es
->buffer_size
= LocalSize(hloc32W_new
)/sizeof(WCHAR
) - 1;
1287 TRACE("Real new size %d+1 WCHARs\n", es
->buffer_size
);
1290 WARN("FAILED! Will synchronize partially\n");
1292 es
->text
= LocalLock(es
->hloc32W
);
1293 MultiByteToWideChar(CP_ACP
, 0, textA
, -1, es
->text
, es
->buffer_size
+ 1);
1294 LocalUnlock(es
->hloc32A
);
1296 else es
->text
= LocalLock(es
->hloc32W
);
1302 /*********************************************************************
1307 static void EDIT_UnlockBuffer(EDITSTATE
*es
, BOOL force
)
1309 if (es
->hlocapp
) return;
1311 /* Edit window might be already destroyed */
1312 if(!IsWindow(es
->hwndSelf
))
1314 WARN("edit hwnd %p already destroyed\n", es
->hwndSelf
);
1318 if (!es
->lock_count
) {
1319 ERR("lock_count == 0 ... please report\n");
1323 ERR("es->text == 0 ... please report\n");
1327 if (force
|| (es
->lock_count
== 1)) {
1330 UINT countW
= get_text_length(es
) + 1;
1334 UINT countA_new
= WideCharToMultiByte(CP_ACP
, 0, es
->text
, countW
, NULL
, 0, NULL
, NULL
);
1335 TRACE("Synchronizing with 32-bit ANSI buffer\n");
1336 TRACE("%d WCHARs translated to %d bytes\n", countW
, countA_new
);
1337 countA
= LocalSize(es
->hloc32A
);
1338 if(countA_new
> countA
)
1341 UINT alloc_size
= ROUND_TO_GROW(countA_new
);
1342 TRACE("Resizing 32-bit ANSI buffer from %d to %d bytes\n", countA
, alloc_size
);
1343 hloc32A_new
= LocalReAlloc(es
->hloc32A
, alloc_size
, LMEM_MOVEABLE
| LMEM_ZEROINIT
);
1346 es
->hloc32A
= hloc32A_new
;
1347 countA
= LocalSize(hloc32A_new
);
1348 TRACE("Real new size %d bytes\n", countA
);
1351 WARN("FAILED! Will synchronize partially\n");
1353 WideCharToMultiByte(CP_ACP
, 0, es
->text
, countW
,
1354 LocalLock(es
->hloc32A
), countA
, NULL
, NULL
);
1355 LocalUnlock(es
->hloc32A
);
1358 LocalUnlock(es
->hloc32W
);
1362 ERR("no buffer ... please report\n");
1370 /*********************************************************************
1374 * Try to fit size + 1 characters in the buffer.
1376 static BOOL
EDIT_MakeFit(EDITSTATE
*es
, UINT size
)
1380 if (size
<= es
->buffer_size
)
1383 TRACE("trying to ReAlloc to %d+1 characters\n", size
);
1385 /* Force edit to unlock its buffer. es->text now NULL */
1386 EDIT_UnlockBuffer(es
, TRUE
);
1389 UINT alloc_size
= ROUND_TO_GROW((size
+ 1) * sizeof(WCHAR
));
1390 if ((hNew32W
= LocalReAlloc(es
->hloc32W
, alloc_size
, LMEM_MOVEABLE
| LMEM_ZEROINIT
))) {
1391 TRACE("Old 32 bit handle %p, new handle %p\n", es
->hloc32W
, hNew32W
);
1392 es
->hloc32W
= hNew32W
;
1393 es
->buffer_size
= LocalSize(hNew32W
)/sizeof(WCHAR
) - 1;
1397 EDIT_LockBuffer(es
);
1399 if (es
->buffer_size
< size
) {
1400 WARN("FAILED ! We now have %d+1\n", es
->buffer_size
);
1401 EDIT_NOTIFY_PARENT(es
, EN_ERRSPACE
);
1404 TRACE("We now have %d+1\n", es
->buffer_size
);
1410 /*********************************************************************
1414 * Try to fit size + 1 bytes in the undo buffer.
1417 static BOOL
EDIT_MakeUndoFit(EDITSTATE
*es
, UINT size
)
1421 if (size
<= es
->undo_buffer_size
)
1424 TRACE("trying to ReAlloc to %d+1\n", size
);
1426 alloc_size
= ROUND_TO_GROW((size
+ 1) * sizeof(WCHAR
));
1427 if ((es
->undo_text
= HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, es
->undo_text
, alloc_size
))) {
1428 es
->undo_buffer_size
= alloc_size
/sizeof(WCHAR
) - 1;
1433 WARN("FAILED ! We now have %d+1\n", es
->undo_buffer_size
);
1439 /*********************************************************************
1441 * EDIT_UpdateTextRegion
1444 static void EDIT_UpdateTextRegion(EDITSTATE
*es
, HRGN hrgn
, BOOL bErase
)
1446 if (es
->flags
& EF_UPDATE
) {
1447 es
->flags
&= ~EF_UPDATE
;
1448 EDIT_NOTIFY_PARENT(es
, EN_UPDATE
);
1450 InvalidateRgn(es
->hwndSelf
, hrgn
, bErase
);
1454 /*********************************************************************
1459 static void EDIT_UpdateText(EDITSTATE
*es
, const RECT
*rc
, BOOL bErase
)
1461 if (es
->flags
& EF_UPDATE
) {
1462 es
->flags
&= ~EF_UPDATE
;
1463 EDIT_NOTIFY_PARENT(es
, EN_UPDATE
);
1465 InvalidateRect(es
->hwndSelf
, rc
, bErase
);
1468 /*********************************************************************
1470 * EDIT_SL_InvalidateText
1472 * Called from EDIT_InvalidateText().
1473 * Does the job for single-line controls only.
1476 static void EDIT_SL_InvalidateText(EDITSTATE
*es
, INT start
, INT end
)
1481 EDIT_GetLineRect(es
, 0, start
, end
, &line_rect
);
1482 if (IntersectRect(&rc
, &line_rect
, &es
->format_rect
))
1483 EDIT_UpdateText(es
, &rc
, TRUE
);
1486 /*********************************************************************
1488 * EDIT_ML_InvalidateText
1490 * Called from EDIT_InvalidateText().
1491 * Does the job for multi-line controls only.
1494 static void EDIT_ML_InvalidateText(EDITSTATE
*es
, INT start
, INT end
)
1496 INT vlc
= get_vertical_line_count(es
);
1497 INT sl
= EDIT_EM_LineFromChar(es
, start
);
1498 INT el
= EDIT_EM_LineFromChar(es
, end
);
1507 if ((el
< es
->y_offset
) || (sl
> es
->y_offset
+ vlc
))
1510 sc
= start
- EDIT_EM_LineIndex(es
, sl
);
1511 ec
= end
- EDIT_EM_LineIndex(es
, el
);
1512 if (sl
< es
->y_offset
) {
1516 if (el
> es
->y_offset
+ vlc
) {
1517 el
= es
->y_offset
+ vlc
;
1518 ec
= EDIT_EM_LineLength(es
, EDIT_EM_LineIndex(es
, el
));
1520 GetClientRect(es
->hwndSelf
, &rc1
);
1521 IntersectRect(&rcWnd
, &rc1
, &es
->format_rect
);
1523 EDIT_GetLineRect(es
, sl
, sc
, ec
, &rcLine
);
1524 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1525 EDIT_UpdateText(es
, &rcUpdate
, TRUE
);
1527 EDIT_GetLineRect(es
, sl
, sc
,
1528 EDIT_EM_LineLength(es
,
1529 EDIT_EM_LineIndex(es
, sl
)),
1531 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1532 EDIT_UpdateText(es
, &rcUpdate
, TRUE
);
1533 for (l
= sl
+ 1 ; l
< el
; l
++) {
1534 EDIT_GetLineRect(es
, l
, 0,
1535 EDIT_EM_LineLength(es
,
1536 EDIT_EM_LineIndex(es
, l
)),
1538 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1539 EDIT_UpdateText(es
, &rcUpdate
, TRUE
);
1541 EDIT_GetLineRect(es
, el
, 0, ec
, &rcLine
);
1542 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1543 EDIT_UpdateText(es
, &rcUpdate
, TRUE
);
1548 /*********************************************************************
1550 * EDIT_InvalidateText
1552 * Invalidate the text from offset start up to, but not including,
1553 * offset end. Useful for (re)painting the selection.
1554 * Regions outside the linewidth are not invalidated.
1555 * end == -1 means end == TextLength.
1556 * start and end need not be ordered.
1559 static void EDIT_InvalidateText(EDITSTATE
*es
, INT start
, INT end
)
1565 end
= get_text_length(es
);
1573 if (es
->style
& ES_MULTILINE
)
1574 EDIT_ML_InvalidateText(es
, start
, end
);
1576 EDIT_SL_InvalidateText(es
, start
, end
);
1580 /*********************************************************************
1584 * note: unlike the specs say: the order of start and end
1585 * _is_ preserved in Windows. (i.e. start can be > end)
1586 * In other words: this handler is OK
1589 static void EDIT_EM_SetSel(EDITSTATE
*es
, UINT start
, UINT end
, BOOL after_wrap
)
1591 UINT old_start
= es
->selection_start
;
1592 UINT old_end
= es
->selection_end
;
1593 UINT len
= get_text_length(es
);
1595 if (start
== (UINT
)-1) {
1596 start
= es
->selection_end
;
1597 end
= es
->selection_end
;
1599 start
= min(start
, len
);
1600 end
= min(end
, len
);
1602 es
->selection_start
= start
;
1603 es
->selection_end
= end
;
1605 es
->flags
|= EF_AFTER_WRAP
;
1607 es
->flags
&= ~EF_AFTER_WRAP
;
1608 /* Compute the necessary invalidation region. */
1609 /* Note that we don't need to invalidate regions which have
1610 * "never" been selected, or those which are "still" selected.
1611 * In fact, every time we hit a selection boundary, we can
1612 * *toggle* whether we need to invalidate. Thus we can optimize by
1613 * *sorting* the interval endpoints. Let's assume that we sort them
1615 * start <= end <= old_start <= old_end
1616 * Knuth 5.3.1 (p 183) assures us that this can be done optimally
1617 * in 5 comparisons; i.e. it is impossible to do better than the
1619 ORDER_UINT(end
, old_end
);
1620 ORDER_UINT(start
, old_start
);
1621 ORDER_UINT(old_start
, old_end
);
1622 ORDER_UINT(start
, end
);
1623 /* Note that at this point 'end' and 'old_start' are not in order, but
1624 * start is definitely the min. and old_end is definitely the max. */
1625 if (end
!= old_start
)
1629 * ORDER_UINT32(end, old_start);
1630 * EDIT_InvalidateText(es, start, end);
1631 * EDIT_InvalidateText(es, old_start, old_end);
1632 * in place of the following if statement.
1633 * (That would complete the optimal five-comparison four-element sort.)
1635 if (old_start
> end
)
1637 EDIT_InvalidateText(es
, start
, end
);
1638 EDIT_InvalidateText(es
, old_start
, old_end
);
1642 EDIT_InvalidateText(es
, start
, old_start
);
1643 EDIT_InvalidateText(es
, end
, old_end
);
1646 else EDIT_InvalidateText(es
, start
, old_end
);
1650 /*********************************************************************
1652 * EDIT_UpdateScrollInfo
1655 static void EDIT_UpdateScrollInfo(EDITSTATE
*es
)
1657 if ((es
->style
& WS_VSCROLL
) && !(es
->flags
& EF_VSCROLL_TRACK
))
1660 si
.cbSize
= sizeof(SCROLLINFO
);
1661 si
.fMask
= SIF_PAGE
| SIF_POS
| SIF_RANGE
| SIF_DISABLENOSCROLL
;
1663 si
.nMax
= es
->line_count
- 1;
1664 si
.nPage
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
1665 si
.nPos
= es
->y_offset
;
1666 TRACE("SB_VERT, nMin=%d, nMax=%d, nPage=%d, nPos=%d\n",
1667 si
.nMin
, si
.nMax
, si
.nPage
, si
.nPos
);
1668 SetScrollInfo(es
->hwndSelf
, SB_VERT
, &si
, TRUE
);
1671 if ((es
->style
& WS_HSCROLL
) && !(es
->flags
& EF_HSCROLL_TRACK
))
1674 si
.cbSize
= sizeof(SCROLLINFO
);
1675 si
.fMask
= SIF_PAGE
| SIF_POS
| SIF_RANGE
| SIF_DISABLENOSCROLL
;
1677 si
.nMax
= es
->text_width
- 1;
1678 si
.nPage
= es
->format_rect
.right
- es
->format_rect
.left
;
1679 si
.nPos
= es
->x_offset
;
1680 TRACE("SB_HORZ, nMin=%d, nMax=%d, nPage=%d, nPos=%d\n",
1681 si
.nMin
, si
.nMax
, si
.nPage
, si
.nPos
);
1682 SetScrollInfo(es
->hwndSelf
, SB_HORZ
, &si
, TRUE
);
1687 /*********************************************************************
1689 * EDIT_EM_LineScroll_internal
1691 * Version of EDIT_EM_LineScroll for internal use.
1692 * It doesn't refuse if ES_MULTILINE is set and assumes that
1693 * dx is in pixels, dy - in lines.
1696 static BOOL
EDIT_EM_LineScroll_internal(EDITSTATE
*es
, INT dx
, INT dy
)
1699 INT x_offset_in_pixels
;
1700 INT lines_per_page
= (es
->format_rect
.bottom
- es
->format_rect
.top
) /
1703 if (es
->style
& ES_MULTILINE
)
1705 x_offset_in_pixels
= es
->x_offset
;
1710 x_offset_in_pixels
= (short)LOWORD(EDIT_EM_PosFromChar(es
, es
->x_offset
, FALSE
));
1713 if (-dx
> x_offset_in_pixels
)
1714 dx
= -x_offset_in_pixels
;
1715 if (dx
> es
->text_width
- x_offset_in_pixels
)
1716 dx
= es
->text_width
- x_offset_in_pixels
;
1717 nyoff
= max(0, es
->y_offset
+ dy
);
1718 if (nyoff
>= es
->line_count
- lines_per_page
)
1719 nyoff
= max(0, es
->line_count
- lines_per_page
);
1720 dy
= (es
->y_offset
- nyoff
) * es
->line_height
;
1725 es
->y_offset
= nyoff
;
1726 if(es
->style
& ES_MULTILINE
)
1729 es
->x_offset
+= dx
/ es
->char_width
;
1731 GetClientRect(es
->hwndSelf
, &rc1
);
1732 IntersectRect(&rc
, &rc1
, &es
->format_rect
);
1733 ScrollWindowEx(es
->hwndSelf
, -dx
, dy
,
1734 NULL
, &rc
, NULL
, NULL
, SW_INVALIDATE
);
1735 /* force scroll info update */
1736 EDIT_UpdateScrollInfo(es
);
1738 if (dx
&& !(es
->flags
& EF_HSCROLL_TRACK
))
1739 EDIT_NOTIFY_PARENT(es
, EN_HSCROLL
);
1740 if (dy
&& !(es
->flags
& EF_VSCROLL_TRACK
))
1741 EDIT_NOTIFY_PARENT(es
, EN_VSCROLL
);
1745 /*********************************************************************
1749 * NOTE: dx is in average character widths, dy - in lines;
1752 static BOOL
EDIT_EM_LineScroll(EDITSTATE
*es
, INT dx
, INT dy
)
1754 if (!(es
->style
& ES_MULTILINE
))
1757 dx
*= es
->char_width
;
1758 return EDIT_EM_LineScroll_internal(es
, dx
, dy
);
1762 /*********************************************************************
1767 static LRESULT
EDIT_EM_Scroll(EDITSTATE
*es
, INT action
)
1771 if (!(es
->style
& ES_MULTILINE
))
1772 return (LRESULT
)FALSE
;
1782 if (es
->y_offset
< es
->line_count
- 1)
1787 dy
= -(es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
1790 if (es
->y_offset
< es
->line_count
- 1)
1791 dy
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
1794 return (LRESULT
)FALSE
;
1797 INT vlc
= get_vertical_line_count(es
);
1798 /* check if we are going to move too far */
1799 if(es
->y_offset
+ dy
> es
->line_count
- vlc
)
1800 dy
= max(es
->line_count
- vlc
, 0) - es
->y_offset
;
1802 /* Notification is done in EDIT_EM_LineScroll */
1804 EDIT_EM_LineScroll(es
, 0, dy
);
1805 return MAKELONG(dy
, TRUE
);
1809 return (LRESULT
)FALSE
;
1813 /*********************************************************************
1818 static void EDIT_SetCaretPos(EDITSTATE
*es
, INT pos
,
1821 LRESULT res
= EDIT_EM_PosFromChar(es
, pos
, after_wrap
);
1822 TRACE("%d - %dx%d\n", pos
, (short)LOWORD(res
), (short)HIWORD(res
));
1823 SetCaretPos((short)LOWORD(res
), (short)HIWORD(res
));
1827 /*********************************************************************
1832 static void EDIT_EM_ScrollCaret(EDITSTATE
*es
)
1834 if (es
->style
& ES_MULTILINE
) {
1838 INT cw
= es
->char_width
;
1843 l
= EDIT_EM_LineFromChar(es
, es
->selection_end
);
1844 x
= (short)LOWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
));
1845 vlc
= get_vertical_line_count(es
);
1846 if (l
>= es
->y_offset
+ vlc
)
1847 dy
= l
- vlc
+ 1 - es
->y_offset
;
1848 if (l
< es
->y_offset
)
1849 dy
= l
- es
->y_offset
;
1850 ww
= es
->format_rect
.right
- es
->format_rect
.left
;
1851 if (x
< es
->format_rect
.left
)
1852 dx
= x
- es
->format_rect
.left
- ww
/ HSCROLL_FRACTION
/ cw
* cw
;
1853 if (x
> es
->format_rect
.right
)
1854 dx
= x
- es
->format_rect
.left
- (HSCROLL_FRACTION
- 1) * ww
/ HSCROLL_FRACTION
/ cw
* cw
;
1855 if (dy
|| dx
|| (es
->y_offset
&& (es
->line_count
- es
->y_offset
< vlc
)))
1857 /* check if we are going to move too far */
1858 if(es
->x_offset
+ dx
+ ww
> es
->text_width
)
1859 dx
= es
->text_width
- ww
- es
->x_offset
;
1860 if(dx
|| dy
|| (es
->y_offset
&& (es
->line_count
- es
->y_offset
< vlc
)))
1861 EDIT_EM_LineScroll_internal(es
, dx
, dy
);
1868 x
= (short)LOWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, FALSE
));
1869 format_width
= es
->format_rect
.right
- es
->format_rect
.left
;
1870 if (x
< es
->format_rect
.left
) {
1871 goal
= es
->format_rect
.left
+ format_width
/ HSCROLL_FRACTION
;
1874 x
= (short)LOWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, FALSE
));
1875 } while ((x
< goal
) && es
->x_offset
);
1876 /* FIXME: use ScrollWindow() somehow to improve performance */
1877 EDIT_UpdateText(es
, NULL
, TRUE
);
1878 } else if (x
> es
->format_rect
.right
) {
1880 INT len
= get_text_length(es
);
1881 goal
= es
->format_rect
.right
- format_width
/ HSCROLL_FRACTION
;
1884 x
= (short)LOWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, FALSE
));
1885 x_last
= (short)LOWORD(EDIT_EM_PosFromChar(es
, len
, FALSE
));
1886 } while ((x
> goal
) && (x_last
> es
->format_rect
.right
));
1887 /* FIXME: use ScrollWindow() somehow to improve performance */
1888 EDIT_UpdateText(es
, NULL
, TRUE
);
1892 if(es
->flags
& EF_FOCUSED
)
1893 EDIT_SetCaretPos(es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
);
1897 /*********************************************************************
1902 static void EDIT_MoveBackward(EDITSTATE
*es
, BOOL extend
)
1904 INT e
= es
->selection_end
;
1908 if ((es
->style
& ES_MULTILINE
) && e
&&
1909 (es
->text
[e
- 1] == '\r') && (es
->text
[e
] == '\n')) {
1911 if (e
&& (es
->text
[e
- 1] == '\r'))
1915 EDIT_EM_SetSel(es
, extend
? es
->selection_start
: e
, e
, FALSE
);
1916 EDIT_EM_ScrollCaret(es
);
1920 /*********************************************************************
1924 * Only for multi line controls
1925 * Move the caret one line down, on a column with the nearest
1926 * x coordinate on the screen (might be a different column).
1929 static void EDIT_MoveDown_ML(EDITSTATE
*es
, BOOL extend
)
1931 INT s
= es
->selection_start
;
1932 INT e
= es
->selection_end
;
1933 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
1934 LRESULT pos
= EDIT_EM_PosFromChar(es
, e
, after_wrap
);
1935 INT x
= (short)LOWORD(pos
);
1936 INT y
= (short)HIWORD(pos
);
1938 e
= EDIT_CharFromPos(es
, x
, y
+ es
->line_height
, &after_wrap
);
1941 EDIT_EM_SetSel(es
, s
, e
, after_wrap
);
1942 EDIT_EM_ScrollCaret(es
);
1946 /*********************************************************************
1951 static void EDIT_MoveEnd(EDITSTATE
*es
, BOOL extend
, BOOL ctrl
)
1953 BOOL after_wrap
= FALSE
;
1956 /* Pass a high value in x to make sure of receiving the end of the line */
1957 if (!ctrl
&& (es
->style
& ES_MULTILINE
))
1958 e
= EDIT_CharFromPos(es
, 0x3fffffff,
1959 HIWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
)), &after_wrap
);
1961 e
= get_text_length(es
);
1962 EDIT_EM_SetSel(es
, extend
? es
->selection_start
: e
, e
, after_wrap
);
1963 EDIT_EM_ScrollCaret(es
);
1967 /*********************************************************************
1972 static void EDIT_MoveForward(EDITSTATE
*es
, BOOL extend
)
1974 INT e
= es
->selection_end
;
1978 if ((es
->style
& ES_MULTILINE
) && (es
->text
[e
- 1] == '\r')) {
1979 if (es
->text
[e
] == '\n')
1981 else if ((es
->text
[e
] == '\r') && (es
->text
[e
+ 1] == '\n'))
1985 EDIT_EM_SetSel(es
, extend
? es
->selection_start
: e
, e
, FALSE
);
1986 EDIT_EM_ScrollCaret(es
);
1990 /*********************************************************************
1994 * Home key: move to beginning of line.
1997 static void EDIT_MoveHome(EDITSTATE
*es
, BOOL extend
, BOOL ctrl
)
2001 /* Pass the x_offset in x to make sure of receiving the first position of the line */
2002 if (!ctrl
&& (es
->style
& ES_MULTILINE
))
2003 e
= EDIT_CharFromPos(es
, -es
->x_offset
,
2004 HIWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
)), NULL
);
2007 EDIT_EM_SetSel(es
, extend
? es
->selection_start
: e
, e
, FALSE
);
2008 EDIT_EM_ScrollCaret(es
);
2012 /*********************************************************************
2014 * EDIT_MovePageDown_ML
2016 * Only for multi line controls
2017 * Move the caret one page down, on a column with the nearest
2018 * x coordinate on the screen (might be a different column).
2021 static void EDIT_MovePageDown_ML(EDITSTATE
*es
, BOOL extend
)
2023 INT s
= es
->selection_start
;
2024 INT e
= es
->selection_end
;
2025 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
2026 LRESULT pos
= EDIT_EM_PosFromChar(es
, e
, after_wrap
);
2027 INT x
= (short)LOWORD(pos
);
2028 INT y
= (short)HIWORD(pos
);
2030 e
= EDIT_CharFromPos(es
, x
,
2031 y
+ (es
->format_rect
.bottom
- es
->format_rect
.top
),
2035 EDIT_EM_SetSel(es
, s
, e
, after_wrap
);
2036 EDIT_EM_ScrollCaret(es
);
2040 /*********************************************************************
2042 * EDIT_MovePageUp_ML
2044 * Only for multi line controls
2045 * Move the caret one page up, on a column with the nearest
2046 * x coordinate on the screen (might be a different column).
2049 static void EDIT_MovePageUp_ML(EDITSTATE
*es
, BOOL extend
)
2051 INT s
= es
->selection_start
;
2052 INT e
= es
->selection_end
;
2053 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
2054 LRESULT pos
= EDIT_EM_PosFromChar(es
, e
, after_wrap
);
2055 INT x
= (short)LOWORD(pos
);
2056 INT y
= (short)HIWORD(pos
);
2058 e
= EDIT_CharFromPos(es
, x
,
2059 y
- (es
->format_rect
.bottom
- es
->format_rect
.top
),
2063 EDIT_EM_SetSel(es
, s
, e
, after_wrap
);
2064 EDIT_EM_ScrollCaret(es
);
2068 /*********************************************************************
2072 * Only for multi line controls
2073 * Move the caret one line up, on a column with the nearest
2074 * x coordinate on the screen (might be a different column).
2077 static void EDIT_MoveUp_ML(EDITSTATE
*es
, BOOL extend
)
2079 INT s
= es
->selection_start
;
2080 INT e
= es
->selection_end
;
2081 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
2082 LRESULT pos
= EDIT_EM_PosFromChar(es
, e
, after_wrap
);
2083 INT x
= (short)LOWORD(pos
);
2084 INT y
= (short)HIWORD(pos
);
2086 e
= EDIT_CharFromPos(es
, x
, y
- es
->line_height
, &after_wrap
);
2089 EDIT_EM_SetSel(es
, s
, e
, after_wrap
);
2090 EDIT_EM_ScrollCaret(es
);
2094 /*********************************************************************
2096 * EDIT_MoveWordBackward
2099 static void EDIT_MoveWordBackward(EDITSTATE
*es
, BOOL extend
)
2101 INT s
= es
->selection_start
;
2102 INT e
= es
->selection_end
;
2107 l
= EDIT_EM_LineFromChar(es
, e
);
2108 ll
= EDIT_EM_LineLength(es
, e
);
2109 li
= EDIT_EM_LineIndex(es
, l
);
2112 li
= EDIT_EM_LineIndex(es
, l
- 1);
2113 e
= li
+ EDIT_EM_LineLength(es
, li
);
2116 e
= li
+ EDIT_CallWordBreakProc(es
, li
, e
- li
, ll
, WB_LEFT
);
2120 EDIT_EM_SetSel(es
, s
, e
, FALSE
);
2121 EDIT_EM_ScrollCaret(es
);
2125 /*********************************************************************
2127 * EDIT_MoveWordForward
2130 static void EDIT_MoveWordForward(EDITSTATE
*es
, BOOL extend
)
2132 INT s
= es
->selection_start
;
2133 INT e
= es
->selection_end
;
2138 l
= EDIT_EM_LineFromChar(es
, e
);
2139 ll
= EDIT_EM_LineLength(es
, e
);
2140 li
= EDIT_EM_LineIndex(es
, l
);
2142 if ((es
->style
& ES_MULTILINE
) && (l
!= es
->line_count
- 1))
2143 e
= EDIT_EM_LineIndex(es
, l
+ 1);
2145 e
= li
+ EDIT_CallWordBreakProc(es
,
2146 li
, e
- li
+ 1, ll
, WB_RIGHT
);
2150 EDIT_EM_SetSel(es
, s
, e
, FALSE
);
2151 EDIT_EM_ScrollCaret(es
);
2155 /*********************************************************************
2160 static INT
EDIT_PaintText(EDITSTATE
*es
, HDC dc
, INT x
, INT y
, INT line
, INT col
, INT count
, BOOL rev
)
2164 LOGFONTW underline_font
;
2165 HFONT hUnderline
= 0;
2174 BkMode
= GetBkMode(dc
);
2175 BkColor
= GetBkColor(dc
);
2176 TextColor
= GetTextColor(dc
);
2178 if (es
->composition_len
== 0)
2180 SetBkColor(dc
, GetSysColor(COLOR_HIGHLIGHT
));
2181 SetTextColor(dc
, GetSysColor(COLOR_HIGHLIGHTTEXT
));
2182 SetBkMode( dc
, OPAQUE
);
2186 HFONT current
= GetCurrentObject(dc
,OBJ_FONT
);
2187 GetObjectW(current
,sizeof(LOGFONTW
),&underline_font
);
2188 underline_font
.lfUnderline
= TRUE
;
2189 hUnderline
= CreateFontIndirectW(&underline_font
);
2190 old_font
= SelectObject(dc
,hUnderline
);
2193 li
= EDIT_EM_LineIndex(es
, line
);
2194 if (es
->style
& ES_MULTILINE
) {
2195 ret
= (INT
)LOWORD(TabbedTextOutW(dc
, x
, y
, es
->text
+ li
+ col
, count
,
2196 es
->tabs_count
, es
->tabs
, es
->format_rect
.left
- es
->x_offset
));
2198 TextOutW(dc
, x
, y
, es
->text
+ li
+ col
, count
);
2199 GetTextExtentPoint32W(dc
, es
->text
+ li
+ col
, count
, &size
);
2203 if (es
->composition_len
== 0)
2205 SetBkColor(dc
, BkColor
);
2206 SetTextColor(dc
, TextColor
);
2207 SetBkMode( dc
, BkMode
);
2212 SelectObject(dc
,old_font
);
2214 DeleteObject(hUnderline
);
2221 /*********************************************************************
2226 static void EDIT_PaintLine(EDITSTATE
*es
, HDC dc
, INT line
, BOOL rev
)
2235 SCRIPT_STRING_ANALYSIS ssa
;
2237 if (es
->style
& ES_MULTILINE
) {
2238 INT vlc
= get_vertical_line_count(es
);
2240 if ((line
< es
->y_offset
) || (line
> es
->y_offset
+ vlc
) || (line
>= es
->line_count
))
2245 TRACE("line=%d\n", line
);
2247 ssa
= EDIT_UpdateUniscribeData(es
, dc
, line
);
2248 pos
= EDIT_EM_PosFromChar(es
, EDIT_EM_LineIndex(es
, line
), FALSE
);
2249 x
= (short)LOWORD(pos
);
2250 y
= (short)HIWORD(pos
);
2252 if (es
->style
& ES_MULTILINE
)
2254 int line_idx
= line
;
2256 if (es
->style
& ES_RIGHT
|| es
->style
& ES_CENTER
)
2258 LINEDEF
*line_def
= es
->first_line_def
;
2261 while (line_def
&& line_idx
)
2263 line_def
= line_def
->next
;
2266 w
= es
->format_rect
.right
- es
->format_rect
.left
;
2267 lw
= line_def
->width
;
2269 if (es
->style
& ES_RIGHT
)
2271 else if (es
->style
& ES_CENTER
)
2274 x
+= es
->format_rect
.left
;
2279 li
= EDIT_EM_LineIndex(es
, line
);
2280 ll
= EDIT_EM_LineLength(es
, li
);
2281 s
= min(es
->selection_start
, es
->selection_end
);
2282 e
= max(es
->selection_start
, es
->selection_end
);
2283 s
= min(li
+ ll
, max(li
, s
));
2284 e
= min(li
+ ll
, max(li
, e
));
2288 ScriptStringOut(ssa
, x
, y
, 0, &es
->format_rect
, s
- li
, e
- li
, FALSE
);
2289 else if (rev
&& (s
!= e
) &&
2290 ((es
->flags
& EF_FOCUSED
) || (es
->style
& ES_NOHIDESEL
))) {
2291 x
+= EDIT_PaintText(es
, dc
, x
, y
, line
, 0, s
- li
, FALSE
);
2292 x
+= EDIT_PaintText(es
, dc
, x
, y
, line
, s
- li
, e
- s
, TRUE
);
2293 x
+= EDIT_PaintText(es
, dc
, x
, y
, line
, e
- li
, li
+ ll
- e
, FALSE
);
2295 x
+= EDIT_PaintText(es
, dc
, x
, y
, line
, 0, ll
, FALSE
);
2299 /*********************************************************************
2301 * EDIT_AdjustFormatRect
2303 * Adjusts the format rectangle for the current font and the
2304 * current client rectangle.
2307 static void EDIT_AdjustFormatRect(EDITSTATE
*es
)
2311 es
->format_rect
.right
= max(es
->format_rect
.right
, es
->format_rect
.left
+ es
->char_width
);
2312 if (es
->style
& ES_MULTILINE
)
2314 INT fw
, vlc
, max_x_offset
, max_y_offset
;
2316 vlc
= get_vertical_line_count(es
);
2317 es
->format_rect
.bottom
= es
->format_rect
.top
+ vlc
* es
->line_height
;
2319 /* correct es->x_offset */
2320 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
2321 max_x_offset
= es
->text_width
- fw
;
2322 if(max_x_offset
< 0) max_x_offset
= 0;
2323 if(es
->x_offset
> max_x_offset
)
2324 es
->x_offset
= max_x_offset
;
2326 /* correct es->y_offset */
2327 max_y_offset
= es
->line_count
- vlc
;
2328 if(max_y_offset
< 0) max_y_offset
= 0;
2329 if(es
->y_offset
> max_y_offset
)
2330 es
->y_offset
= max_y_offset
;
2332 /* force scroll info update */
2333 EDIT_UpdateScrollInfo(es
);
2336 /* Windows doesn't care to fix text placement for SL controls */
2337 es
->format_rect
.bottom
= es
->format_rect
.top
+ es
->line_height
;
2339 /* Always stay within the client area */
2340 GetClientRect(es
->hwndSelf
, &ClientRect
);
2341 es
->format_rect
.bottom
= min(es
->format_rect
.bottom
, ClientRect
.bottom
);
2343 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_AUTOHSCROLL
))
2344 EDIT_BuildLineDefs_ML(es
, 0, get_text_length(es
), 0, NULL
);
2346 EDIT_SetCaretPos(es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
);
2350 /*********************************************************************
2354 * note: this is not (exactly) the handler called on EM_SETRECTNP
2355 * it is also used to set the rect of a single line control
2358 static void EDIT_SetRectNP(EDITSTATE
*es
, const RECT
*rc
)
2362 ExStyle
= GetWindowLongPtrW(es
->hwndSelf
, GWL_EXSTYLE
);
2364 CopyRect(&es
->format_rect
, rc
);
2366 if (ExStyle
& WS_EX_CLIENTEDGE
) {
2367 es
->format_rect
.left
++;
2368 es
->format_rect
.right
--;
2370 if (es
->format_rect
.bottom
- es
->format_rect
.top
2371 >= es
->line_height
+ 2)
2373 es
->format_rect
.top
++;
2374 es
->format_rect
.bottom
--;
2377 else if (es
->style
& WS_BORDER
) {
2378 bw
= GetSystemMetrics(SM_CXBORDER
) + 1;
2379 bh
= GetSystemMetrics(SM_CYBORDER
) + 1;
2380 InflateRect(&es
->format_rect
, -bw
, 0);
2381 if (es
->format_rect
.bottom
- es
->format_rect
.top
>= es
->line_height
+ 2 * bh
)
2382 InflateRect(&es
->format_rect
, 0, -bh
);
2385 es
->format_rect
.left
+= es
->left_margin
;
2386 es
->format_rect
.right
-= es
->right_margin
;
2387 EDIT_AdjustFormatRect(es
);
2391 /*********************************************************************
2395 * returns line number (not index) in high-order word of result.
2396 * NB : Q137805 is unclear about this. POINT * pointer in lParam apply
2397 * to Richedit, not to the edit control. Original documentation is valid.
2398 * FIXME: do the specs mean to return -1 if outside client area or
2399 * if outside formatting rectangle ???
2402 static LRESULT
EDIT_EM_CharFromPos(EDITSTATE
*es
, INT x
, INT y
)
2410 GetClientRect(es
->hwndSelf
, &rc
);
2411 if (!PtInRect(&rc
, pt
))
2414 index
= EDIT_CharFromPos(es
, x
, y
, NULL
);
2415 return MAKELONG(index
, EDIT_EM_LineFromChar(es
, index
));
2419 /*********************************************************************
2423 * Enable or disable soft breaks.
2425 * This means: insert or remove the soft linebreak character (\r\r\n).
2426 * Take care to check if the text still fits the buffer after insertion.
2427 * If not, notify with EN_ERRSPACE.
2430 static BOOL
EDIT_EM_FmtLines(EDITSTATE
*es
, BOOL add_eol
)
2432 es
->flags
&= ~EF_USE_SOFTBRK
;
2434 es
->flags
|= EF_USE_SOFTBRK
;
2435 FIXME("soft break enabled, not implemented\n");
2441 /*********************************************************************
2445 * Hopefully this won't fire back at us.
2446 * We always start with a fixed buffer in the local heap.
2447 * Despite of the documentation says that the local heap is used
2448 * only if DS_LOCALEDIT flag is set, NT and 2000 always allocate
2449 * buffer on the local heap.
2452 static HLOCAL
EDIT_EM_GetHandle(EDITSTATE
*es
)
2456 if (!(es
->style
& ES_MULTILINE
))
2460 hLocal
= es
->hloc32W
;
2466 UINT countA
, alloc_size
;
2467 TRACE("Allocating 32-bit ANSI alias buffer\n");
2468 countA
= WideCharToMultiByte(CP_ACP
, 0, es
->text
, -1, NULL
, 0, NULL
, NULL
);
2469 alloc_size
= ROUND_TO_GROW(countA
);
2470 if(!(es
->hloc32A
= LocalAlloc(LMEM_MOVEABLE
| LMEM_ZEROINIT
, alloc_size
)))
2472 ERR("Could not allocate %d bytes for 32-bit ANSI alias buffer\n", alloc_size
);
2475 textA
= LocalLock(es
->hloc32A
);
2476 WideCharToMultiByte(CP_ACP
, 0, es
->text
, -1, textA
, countA
, NULL
, NULL
);
2477 LocalUnlock(es
->hloc32A
);
2479 hLocal
= es
->hloc32A
;
2482 EDIT_UnlockBuffer(es
, TRUE
);
2484 /* The text buffer handle belongs to the app */
2485 es
->hlocapp
= hLocal
;
2487 TRACE("Returning %p, LocalSize() = %ld\n", hLocal
, LocalSize(hLocal
));
2492 /*********************************************************************
2497 static INT
EDIT_EM_GetLine(EDITSTATE
*es
, INT line
, LPWSTR dst
, BOOL unicode
)
2500 INT line_len
, dst_len
;
2503 if (es
->style
& ES_MULTILINE
) {
2504 if (line
>= es
->line_count
)
2508 i
= EDIT_EM_LineIndex(es
, line
);
2510 line_len
= EDIT_EM_LineLength(es
, i
);
2511 dst_len
= *(WORD
*)dst
;
2514 if(dst_len
<= line_len
)
2516 memcpy(dst
, src
, dst_len
* sizeof(WCHAR
));
2519 else /* Append 0 if enough space */
2521 memcpy(dst
, src
, line_len
* sizeof(WCHAR
));
2528 INT ret
= WideCharToMultiByte(CP_ACP
, 0, src
, line_len
, (LPSTR
)dst
, dst_len
, NULL
, NULL
);
2529 if(!ret
&& line_len
) /* Insufficient buffer size */
2531 if(ret
< dst_len
) /* Append 0 if enough space */
2532 ((LPSTR
)dst
)[ret
] = 0;
2538 /*********************************************************************
2543 static LRESULT
EDIT_EM_GetSel(const EDITSTATE
*es
, PUINT start
, PUINT end
)
2545 UINT s
= es
->selection_start
;
2546 UINT e
= es
->selection_end
;
2553 return MAKELONG(s
, e
);
2557 /*********************************************************************
2561 * FIXME: handle ES_NUMBER and ES_OEMCONVERT here
2564 static void EDIT_EM_ReplaceSel(EDITSTATE
*es
, BOOL can_undo
, const WCHAR
*lpsz_replace
, UINT strl
,
2565 BOOL send_update
, BOOL honor_limit
)
2567 UINT tl
= get_text_length(es
);
2578 TRACE("%s, can_undo %d, send_update %d\n",
2579 debugstr_w(lpsz_replace
), can_undo
, send_update
);
2581 s
= es
->selection_start
;
2582 e
= es
->selection_end
;
2584 EDIT_InvalidateUniscribeData(es
);
2585 if ((s
== e
) && !strl
)
2590 size
= tl
- (e
- s
) + strl
;
2594 /* Issue the EN_MAXTEXT notification and continue with replacing text
2595 * so that buffer limit is honored. */
2596 if ((honor_limit
) && (size
> es
->buffer_limit
)) {
2597 EDIT_NOTIFY_PARENT(es
, EN_MAXTEXT
);
2598 /* Buffer limit can be smaller than the actual length of text in combobox */
2599 if (es
->buffer_limit
< (tl
- (e
-s
)))
2602 strl
= min(strl
, es
->buffer_limit
- (tl
- (e
-s
)));
2605 if (!EDIT_MakeFit(es
, tl
- (e
- s
) + strl
))
2609 /* there is something to be deleted */
2610 TRACE("deleting stuff.\n");
2612 buf
= HeapAlloc(GetProcessHeap(), 0, (bufl
+ 1) * sizeof(WCHAR
));
2614 memcpy(buf
, es
->text
+ s
, bufl
* sizeof(WCHAR
));
2615 buf
[bufl
] = 0; /* ensure 0 termination */
2617 strcpyW(es
->text
+ s
, es
->text
+ e
);
2618 text_buffer_changed(es
);
2621 /* there is an insertion */
2622 tl
= get_text_length(es
);
2623 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
));
2624 for (p
= es
->text
+ tl
; p
>= es
->text
+ s
; p
--)
2626 for (i
= 0 , p
= es
->text
+ s
; i
< strl
; i
++)
2627 p
[i
] = lpsz_replace
[i
];
2628 if(es
->style
& ES_UPPERCASE
)
2629 CharUpperBuffW(p
, strl
);
2630 else if(es
->style
& ES_LOWERCASE
)
2631 CharLowerBuffW(p
, strl
);
2632 text_buffer_changed(es
);
2634 if (es
->style
& ES_MULTILINE
)
2636 INT st
= min(es
->selection_start
, es
->selection_end
);
2637 INT vlc
= get_vertical_line_count(es
);
2639 hrgn
= CreateRectRgn(0, 0, 0, 0);
2640 EDIT_BuildLineDefs_ML(es
, st
, st
+ strl
,
2641 strl
- abs(es
->selection_end
- es
->selection_start
), hrgn
);
2642 /* if text is too long undo all changes */
2643 if (honor_limit
&& !(es
->style
& ES_AUTOVSCROLL
) && (es
->line_count
> vlc
)) {
2645 strcpyW(es
->text
+ e
, es
->text
+ e
+ strl
);
2647 for (i
= 0 , p
= es
->text
; i
< e
- s
; i
++)
2649 text_buffer_changed(es
);
2650 EDIT_BuildLineDefs_ML(es
, s
, e
,
2651 abs(es
->selection_end
- es
->selection_start
) - strl
, hrgn
);
2654 hrgn
= CreateRectRgn(0, 0, 0, 0);
2655 EDIT_NOTIFY_PARENT(es
, EN_MAXTEXT
);
2659 INT fw
= es
->format_rect
.right
- es
->format_rect
.left
;
2660 EDIT_InvalidateUniscribeData(es
);
2661 EDIT_CalcLineWidth_SL(es
);
2662 /* remove chars that don't fit */
2663 if (honor_limit
&& !(es
->style
& ES_AUTOHSCROLL
) && (es
->text_width
> fw
)) {
2664 while ((es
->text_width
> fw
) && s
+ strl
>= s
) {
2665 strcpyW(es
->text
+ s
+ strl
- 1, es
->text
+ s
+ strl
);
2667 es
->text_length
= -1;
2668 EDIT_InvalidateUniscribeData(es
);
2669 EDIT_CalcLineWidth_SL(es
);
2671 text_buffer_changed(es
);
2672 EDIT_NOTIFY_PARENT(es
, EN_MAXTEXT
);
2678 utl
= strlenW(es
->undo_text
);
2679 if (!es
->undo_insert_count
&& (*es
->undo_text
&& (s
== es
->undo_position
))) {
2680 /* undo-buffer is extended to the right */
2681 EDIT_MakeUndoFit(es
, utl
+ e
- s
);
2682 memcpy(es
->undo_text
+ utl
, buf
, (e
- s
)*sizeof(WCHAR
));
2683 (es
->undo_text
+ utl
)[e
- s
] = 0; /* ensure 0 termination */
2684 } else if (!es
->undo_insert_count
&& (*es
->undo_text
&& (e
== es
->undo_position
))) {
2685 /* undo-buffer is extended to the left */
2686 EDIT_MakeUndoFit(es
, utl
+ e
- s
);
2687 for (p
= es
->undo_text
+ utl
; p
>= es
->undo_text
; p
--)
2689 for (i
= 0 , p
= es
->undo_text
; i
< e
- s
; i
++)
2691 es
->undo_position
= s
;
2693 /* new undo-buffer */
2694 EDIT_MakeUndoFit(es
, e
- s
);
2695 memcpy(es
->undo_text
, buf
, (e
- s
)*sizeof(WCHAR
));
2696 es
->undo_text
[e
- s
] = 0; /* ensure 0 termination */
2697 es
->undo_position
= s
;
2699 /* any deletion makes the old insertion-undo invalid */
2700 es
->undo_insert_count
= 0;
2702 EDIT_EM_EmptyUndoBuffer(es
);
2706 if ((s
== es
->undo_position
) ||
2707 ((es
->undo_insert_count
) &&
2708 (s
== es
->undo_position
+ es
->undo_insert_count
)))
2710 * insertion is new and at delete position or
2711 * an extension to either left or right
2713 es
->undo_insert_count
+= strl
;
2715 /* new insertion undo */
2716 es
->undo_position
= s
;
2717 es
->undo_insert_count
= strl
;
2718 /* new insertion makes old delete-buffer invalid */
2719 *es
->undo_text
= '\0';
2722 EDIT_EM_EmptyUndoBuffer(es
);
2725 HeapFree(GetProcessHeap(), 0, buf
);
2729 /* If text has been deleted and we're right or center aligned then scroll rightward */
2730 if (es
->style
& (ES_RIGHT
| ES_CENTER
))
2732 INT delta
= strl
- abs(es
->selection_end
- es
->selection_start
);
2734 if (delta
< 0 && es
->x_offset
)
2736 if (abs(delta
) > es
->x_offset
)
2739 es
->x_offset
+= delta
;
2743 EDIT_EM_SetSel(es
, s
, s
, FALSE
);
2744 es
->flags
|= EF_MODIFIED
;
2745 if (send_update
) es
->flags
|= EF_UPDATE
;
2748 EDIT_UpdateTextRegion(es
, hrgn
, TRUE
);
2752 EDIT_UpdateText(es
, NULL
, TRUE
);
2754 EDIT_EM_ScrollCaret(es
);
2756 /* force scroll info update */
2757 EDIT_UpdateScrollInfo(es
);
2760 if(send_update
|| (es
->flags
& EF_UPDATE
))
2762 es
->flags
&= ~EF_UPDATE
;
2763 EDIT_NOTIFY_PARENT(es
, EN_CHANGE
);
2765 EDIT_InvalidateUniscribeData(es
);
2769 /*********************************************************************
2773 * FIXME: ES_LOWERCASE, ES_UPPERCASE, ES_OEMCONVERT, ES_NUMBER ???
2776 static void EDIT_EM_SetHandle(EDITSTATE
*es
, HLOCAL hloc
)
2778 if (!(es
->style
& ES_MULTILINE
))
2782 WARN("called with NULL handle\n");
2786 EDIT_UnlockBuffer(es
, TRUE
);
2792 LocalFree(es
->hloc32A
);
2804 countA
= LocalSize(hloc
);
2805 textA
= LocalLock(hloc
);
2806 countW
= MultiByteToWideChar(CP_ACP
, 0, textA
, countA
, NULL
, 0);
2807 if(!(hloc32W_new
= LocalAlloc(LMEM_MOVEABLE
| LMEM_ZEROINIT
, countW
* sizeof(WCHAR
))))
2809 ERR("Could not allocate new unicode buffer\n");
2812 textW
= LocalLock(hloc32W_new
);
2813 MultiByteToWideChar(CP_ACP
, 0, textA
, countA
, textW
, countW
);
2814 LocalUnlock(hloc32W_new
);
2818 LocalFree(es
->hloc32W
);
2820 es
->hloc32W
= hloc32W_new
;
2824 es
->buffer_size
= LocalSize(es
->hloc32W
)/sizeof(WCHAR
) - 1;
2826 /* The text buffer handle belongs to the control */
2829 EDIT_LockBuffer(es
);
2830 text_buffer_changed(es
);
2832 es
->x_offset
= es
->y_offset
= 0;
2833 es
->selection_start
= es
->selection_end
= 0;
2834 EDIT_EM_EmptyUndoBuffer(es
);
2835 es
->flags
&= ~EF_MODIFIED
;
2836 es
->flags
&= ~EF_UPDATE
;
2837 EDIT_BuildLineDefs_ML(es
, 0, get_text_length(es
), 0, NULL
);
2838 EDIT_UpdateText(es
, NULL
, TRUE
);
2839 EDIT_EM_ScrollCaret(es
);
2840 /* force scroll info update */
2841 EDIT_UpdateScrollInfo(es
);
2845 /*********************************************************************
2849 * NOTE: this version currently implements WinNT limits
2852 static void EDIT_EM_SetLimitText(EDITSTATE
*es
, UINT limit
)
2854 if (!limit
) limit
= ~0u;
2855 if (!(es
->style
& ES_MULTILINE
)) limit
= min(limit
, 0x7ffffffe);
2856 es
->buffer_limit
= limit
;
2860 /*********************************************************************
2864 * EC_USEFONTINFO is used as a left or right value i.e. lParam and not as an
2865 * action wParam despite what the docs say. EC_USEFONTINFO calculates the
2866 * margin according to the textmetrics of the current font.
2868 * When EC_USEFONTINFO is used in the non_cjk case the margins only
2869 * change if the edit control is equal to or larger than a certain
2870 * size. Though there is an exception for the empty client rect case
2871 * with small font sizes.
2873 static BOOL
is_cjk(UINT charset
)
2877 case SHIFTJIS_CHARSET
:
2878 case HANGUL_CHARSET
:
2879 case GB2312_CHARSET
:
2880 case CHINESEBIG5_CHARSET
:
2883 /* HANGUL_CHARSET is strange, though treated as CJK by Win 8, it is
2884 * not by other versions including Win 10. */
2888 static void EDIT_EM_SetMargins(EDITSTATE
*es
, INT action
,
2889 WORD left
, WORD right
, BOOL repaint
)
2892 INT default_left_margin
= 0; /* in pixels */
2893 INT default_right_margin
= 0; /* in pixels */
2895 /* Set the default margins depending on the font */
2896 if (es
->font
&& (left
== EC_USEFONTINFO
|| right
== EC_USEFONTINFO
)) {
2897 HDC dc
= GetDC(es
->hwndSelf
);
2898 HFONT old_font
= SelectObject(dc
, es
->font
);
2899 LONG width
= GdiGetCharDimensions(dc
, &tm
, NULL
);
2902 /* The default margins are only non zero for TrueType or Vector fonts */
2903 if (tm
.tmPitchAndFamily
& ( TMPF_VECTOR
| TMPF_TRUETYPE
)) {
2904 if (!is_cjk(tm
.tmCharSet
)) {
2905 default_left_margin
= width
/ 2;
2906 default_right_margin
= width
/ 2;
2908 GetClientRect(es
->hwndSelf
, &rc
);
2909 if (rc
.right
- rc
.left
< (width
/ 2 + width
) * 2 &&
2910 (width
>= 28 || !IsRectEmpty(&rc
)) ) {
2911 default_left_margin
= es
->left_margin
;
2912 default_right_margin
= es
->right_margin
;
2915 /* FIXME: figure out the CJK values. They are not affected by the client rect. */
2916 default_left_margin
= width
/ 2;
2917 default_right_margin
= width
/ 2;
2920 SelectObject(dc
, old_font
);
2921 ReleaseDC(es
->hwndSelf
, dc
);
2924 if (action
& EC_LEFTMARGIN
) {
2925 es
->format_rect
.left
-= es
->left_margin
;
2926 if (left
!= EC_USEFONTINFO
)
2927 es
->left_margin
= left
;
2929 es
->left_margin
= default_left_margin
;
2930 es
->format_rect
.left
+= es
->left_margin
;
2933 if (action
& EC_RIGHTMARGIN
) {
2934 es
->format_rect
.right
+= es
->right_margin
;
2935 if (right
!= EC_USEFONTINFO
)
2936 es
->right_margin
= right
;
2938 es
->right_margin
= default_right_margin
;
2939 es
->format_rect
.right
-= es
->right_margin
;
2942 if (action
& (EC_LEFTMARGIN
| EC_RIGHTMARGIN
)) {
2943 EDIT_AdjustFormatRect(es
);
2944 if (repaint
) EDIT_UpdateText(es
, NULL
, TRUE
);
2947 TRACE("left=%d, right=%d\n", es
->left_margin
, es
->right_margin
);
2951 /*********************************************************************
2953 * EM_SETPASSWORDCHAR
2956 static void EDIT_EM_SetPasswordChar(EDITSTATE
*es
, WCHAR c
)
2960 if (es
->style
& ES_MULTILINE
)
2963 if (es
->password_char
== c
)
2966 style
= GetWindowLongW( es
->hwndSelf
, GWL_STYLE
);
2967 es
->password_char
= c
;
2969 SetWindowLongW( es
->hwndSelf
, GWL_STYLE
, style
| ES_PASSWORD
);
2970 es
->style
|= ES_PASSWORD
;
2972 SetWindowLongW( es
->hwndSelf
, GWL_STYLE
, style
& ~ES_PASSWORD
);
2973 es
->style
&= ~ES_PASSWORD
;
2975 EDIT_InvalidateUniscribeData(es
);
2976 EDIT_UpdateText(es
, NULL
, TRUE
);
2980 /*********************************************************************
2985 static BOOL
EDIT_EM_SetTabStops(EDITSTATE
*es
, INT count
, const INT
*tabs
)
2987 if (!(es
->style
& ES_MULTILINE
))
2989 HeapFree(GetProcessHeap(), 0, es
->tabs
);
2990 es
->tabs_count
= count
;
2994 es
->tabs
= HeapAlloc(GetProcessHeap(), 0, count
* sizeof(INT
));
2995 memcpy(es
->tabs
, tabs
, count
* sizeof(INT
));
2997 EDIT_InvalidateUniscribeData(es
);
3002 /*********************************************************************
3004 * EM_SETWORDBREAKPROC
3007 static void EDIT_EM_SetWordBreakProc(EDITSTATE
*es
, void *wbp
)
3009 if (es
->word_break_proc
== wbp
)
3012 es
->word_break_proc
= wbp
;
3014 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_AUTOHSCROLL
)) {
3015 EDIT_BuildLineDefs_ML(es
, 0, get_text_length(es
), 0, NULL
);
3016 EDIT_UpdateText(es
, NULL
, TRUE
);
3021 /*********************************************************************
3026 static BOOL
EDIT_EM_Undo(EDITSTATE
*es
)
3031 /* As per MSDN spec, for a single-line edit control,
3032 the return value is always TRUE */
3033 if( es
->style
& ES_READONLY
)
3034 return !(es
->style
& ES_MULTILINE
);
3036 ulength
= strlenW(es
->undo_text
);
3038 utext
= HeapAlloc(GetProcessHeap(), 0, (ulength
+ 1) * sizeof(WCHAR
));
3040 strcpyW(utext
, es
->undo_text
);
3042 TRACE("before UNDO:insertion length = %d, deletion buffer = %s\n",
3043 es
->undo_insert_count
, debugstr_w(utext
));
3045 EDIT_EM_SetSel(es
, es
->undo_position
, es
->undo_position
+ es
->undo_insert_count
, FALSE
);
3046 EDIT_EM_EmptyUndoBuffer(es
);
3047 EDIT_EM_ReplaceSel(es
, TRUE
, utext
, ulength
, TRUE
, TRUE
);
3048 EDIT_EM_SetSel(es
, es
->undo_position
, es
->undo_position
+ es
->undo_insert_count
, FALSE
);
3049 /* send the notification after the selection start and end are set */
3050 EDIT_NOTIFY_PARENT(es
, EN_CHANGE
);
3051 EDIT_EM_ScrollCaret(es
);
3052 HeapFree(GetProcessHeap(), 0, utext
);
3054 TRACE("after UNDO:insertion length = %d, deletion buffer = %s\n",
3055 es
->undo_insert_count
, debugstr_w(es
->undo_text
));
3060 /* Helper function for WM_CHAR
3062 * According to an MSDN blog article titled "Just because you're a control
3063 * doesn't mean that you're necessarily inside a dialog box," multiline edit
3064 * controls without ES_WANTRETURN would attempt to detect whether it is inside
3065 * a dialog box or not.
3067 static inline BOOL
EDIT_IsInsideDialog(EDITSTATE
*es
)
3069 return (es
->flags
& EF_DIALOGMODE
);
3073 /*********************************************************************
3078 static void EDIT_WM_Paste(EDITSTATE
*es
)
3084 /* Protect read-only edit control from modification */
3085 if(es
->style
& ES_READONLY
)
3088 OpenClipboard(es
->hwndSelf
);
3089 if ((hsrc
= GetClipboardData(CF_UNICODETEXT
))) {
3090 src
= GlobalLock(hsrc
);
3092 /* Protect single-line edit against pasting new line character */
3093 if (!(es
->style
& ES_MULTILINE
) && ((ptr
= strchrW(src
, '\n')))) {
3095 if (len
&& src
[len
- 1] == '\r')
3098 EDIT_EM_ReplaceSel(es
, TRUE
, src
, len
, TRUE
, TRUE
);
3101 else if (es
->style
& ES_PASSWORD
) {
3102 /* clear selected text in password edit box even with empty clipboard */
3103 EDIT_EM_ReplaceSel(es
, TRUE
, NULL
, 0, TRUE
, TRUE
);
3109 /*********************************************************************
3114 static void EDIT_WM_Copy(EDITSTATE
*es
)
3116 INT s
= min(es
->selection_start
, es
->selection_end
);
3117 INT e
= max(es
->selection_start
, es
->selection_end
);
3125 hdst
= GlobalAlloc(GMEM_MOVEABLE
| GMEM_DDESHARE
, (len
+ 1) * sizeof(WCHAR
));
3126 dst
= GlobalLock(hdst
);
3127 memcpy(dst
, es
->text
+ s
, len
* sizeof(WCHAR
));
3128 dst
[len
] = 0; /* ensure 0 termination */
3129 TRACE("%s\n", debugstr_w(dst
));
3131 OpenClipboard(es
->hwndSelf
);
3133 SetClipboardData(CF_UNICODETEXT
, hdst
);
3138 /*********************************************************************
3143 static inline void EDIT_WM_Clear(EDITSTATE
*es
)
3145 /* Protect read-only edit control from modification */
3146 if(es
->style
& ES_READONLY
)
3149 EDIT_EM_ReplaceSel(es
, TRUE
, NULL
, 0, TRUE
, TRUE
);
3153 /*********************************************************************
3158 static inline void EDIT_WM_Cut(EDITSTATE
*es
)
3165 /*********************************************************************
3170 static LRESULT
EDIT_WM_Char(EDITSTATE
*es
, WCHAR c
)
3174 control
= GetKeyState(VK_CONTROL
) & 0x8000;
3178 /* If it's not a multiline edit box, it would be ignored below.
3179 * For multiline edit without ES_WANTRETURN, we have to make a
3182 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_WANTRETURN
))
3183 if (EDIT_IsInsideDialog(es
))
3186 if (es
->style
& ES_MULTILINE
) {
3187 if (es
->style
& ES_READONLY
) {
3188 EDIT_MoveHome(es
, FALSE
, FALSE
);
3189 EDIT_MoveDown_ML(es
, FALSE
);
3191 static const WCHAR cr_lfW
[] = {'\r','\n'};
3192 EDIT_EM_ReplaceSel(es
, TRUE
, cr_lfW
, 2, TRUE
, TRUE
);
3197 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_READONLY
))
3199 static const WCHAR tabW
[] = {'\t'};
3200 if (EDIT_IsInsideDialog(es
))
3202 EDIT_EM_ReplaceSel(es
, TRUE
, tabW
, 1, TRUE
, TRUE
);
3206 if (!(es
->style
& ES_READONLY
) && !control
) {
3207 if (es
->selection_start
!= es
->selection_end
)
3210 /* delete character left of caret */
3211 EDIT_EM_SetSel(es
, (UINT
)-1, 0, FALSE
);
3212 EDIT_MoveBackward(es
, TRUE
);
3218 if (!(es
->style
& ES_PASSWORD
))
3219 SendMessageW(es
->hwndSelf
, WM_COPY
, 0, 0);
3222 if (!(es
->style
& ES_READONLY
))
3223 SendMessageW(es
->hwndSelf
, WM_PASTE
, 0, 0);
3226 if (!((es
->style
& ES_READONLY
) || (es
->style
& ES_PASSWORD
)))
3227 SendMessageW(es
->hwndSelf
, WM_CUT
, 0, 0);
3230 if (!(es
->style
& ES_READONLY
))
3231 SendMessageW(es
->hwndSelf
, WM_UNDO
, 0, 0);
3235 /*If Edit control style is ES_NUMBER allow users to key in only numeric values*/
3236 if( (es
->style
& ES_NUMBER
) && !( c
>= '0' && c
<= '9') )
3239 if (!(es
->style
& ES_READONLY
) && (c
>= ' ') && (c
!= 127))
3240 EDIT_EM_ReplaceSel(es
, TRUE
, &c
, 1, TRUE
, TRUE
);
3247 /*********************************************************************
3249 * EDIT_ContextMenuCommand
3252 static void EDIT_ContextMenuCommand(EDITSTATE
*es
, UINT id
)
3256 SendMessageW(es
->hwndSelf
, WM_UNDO
, 0, 0);
3259 SendMessageW(es
->hwndSelf
, WM_CUT
, 0, 0);
3262 SendMessageW(es
->hwndSelf
, WM_COPY
, 0, 0);
3265 SendMessageW(es
->hwndSelf
, WM_PASTE
, 0, 0);
3268 SendMessageW(es
->hwndSelf
, WM_CLEAR
, 0, 0);
3271 SendMessageW(es
->hwndSelf
, EM_SETSEL
, 0, -1);
3274 ERR("unknown menu item, please report\n");
3280 /*********************************************************************
3284 * Note: the resource files resource/sysres_??.rc cannot define a
3285 * single popup menu. Hence we use a (dummy) menubar
3286 * containing the single popup menu as its first item.
3288 * FIXME: the message identifiers have been chosen arbitrarily,
3289 * hence we use MF_BYPOSITION.
3290 * We might as well use the "real" values (anybody knows ?)
3291 * The menu definition is in resources/sysres_??.rc.
3292 * Once these are OK, we better use MF_BYCOMMAND here
3293 * (as we do in EDIT_WM_Command()).
3296 static void EDIT_WM_ContextMenu(EDITSTATE
*es
, INT x
, INT y
)
3298 HMENU menu
= LoadMenuA(user32_module
, "EDITMENU");
3299 HMENU popup
= GetSubMenu(menu
, 0);
3300 UINT start
= es
->selection_start
;
3301 UINT end
= es
->selection_end
;
3304 ORDER_UINT(start
, end
);
3307 EnableMenuItem(popup
, 0, MF_BYPOSITION
| (EDIT_EM_CanUndo(es
) && !(es
->style
& ES_READONLY
) ? MF_ENABLED
: MF_GRAYED
));
3309 EnableMenuItem(popup
, 2, MF_BYPOSITION
| ((end
- start
) && !(es
->style
& ES_PASSWORD
) && !(es
->style
& ES_READONLY
) ? MF_ENABLED
: MF_GRAYED
));
3311 EnableMenuItem(popup
, 3, MF_BYPOSITION
| ((end
- start
) && !(es
->style
& ES_PASSWORD
) ? MF_ENABLED
: MF_GRAYED
));
3313 EnableMenuItem(popup
, 4, MF_BYPOSITION
| (IsClipboardFormatAvailable(CF_UNICODETEXT
) && !(es
->style
& ES_READONLY
) ? MF_ENABLED
: MF_GRAYED
));
3315 EnableMenuItem(popup
, 5, MF_BYPOSITION
| ((end
- start
) && !(es
->style
& ES_READONLY
) ? MF_ENABLED
: MF_GRAYED
));
3317 EnableMenuItem(popup
, 7, MF_BYPOSITION
| (start
|| (end
!= get_text_length(es
)) ? MF_ENABLED
: MF_GRAYED
));
3319 if (x
== -1 && y
== -1) /* passed via VK_APPS press/release */
3322 /* Windows places the menu at the edit's center in this case */
3323 WIN_GetRectangles( es
->hwndSelf
, COORDS_SCREEN
, NULL
, &rc
);
3324 x
= rc
.left
+ (rc
.right
- rc
.left
) / 2;
3325 y
= rc
.top
+ (rc
.bottom
- rc
.top
) / 2;
3328 if (!(es
->flags
& EF_FOCUSED
))
3329 SetFocus(es
->hwndSelf
);
3331 cmd
= TrackPopupMenu(popup
, TPM_LEFTALIGN
| TPM_RIGHTBUTTON
| TPM_RETURNCMD
| TPM_NONOTIFY
,
3332 x
, y
, 0, es
->hwndSelf
, NULL
);
3335 EDIT_ContextMenuCommand(es
, cmd
);
3341 /*********************************************************************
3346 static INT
EDIT_WM_GetText(const EDITSTATE
*es
, INT count
, LPWSTR dst
, BOOL unicode
)
3348 if(!count
) return 0;
3352 lstrcpynW(dst
, es
->text
, count
);
3353 return strlenW(dst
);
3357 LPSTR textA
= (LPSTR
)dst
;
3358 if (!WideCharToMultiByte(CP_ACP
, 0, es
->text
, -1, textA
, count
, NULL
, NULL
))
3359 textA
[count
- 1] = 0; /* ensure 0 termination */
3360 return strlen(textA
);
3364 /*********************************************************************
3369 static BOOL
EDIT_CheckCombo(EDITSTATE
*es
, UINT msg
, INT key
)
3371 HWND hLBox
= es
->hwndListBox
;
3379 hCombo
= GetParent(es
->hwndSelf
);
3383 TRACE_(combo
)("[%p]: handling msg %x (%x)\n", es
->hwndSelf
, msg
, key
);
3385 if (key
== VK_UP
|| key
== VK_DOWN
)
3387 if (SendMessageW(hCombo
, CB_GETEXTENDEDUI
, 0, 0))
3390 if (msg
== WM_KEYDOWN
|| nEUI
)
3391 bDropped
= (BOOL
)SendMessageW(hCombo
, CB_GETDROPPEDSTATE
, 0, 0);
3397 if (!bDropped
&& nEUI
&& (key
== VK_UP
|| key
== VK_DOWN
))
3399 /* make sure ComboLBox pops up */
3400 SendMessageW(hCombo
, CB_SETEXTENDEDUI
, FALSE
, 0);
3405 SendMessageW(hLBox
, WM_KEYDOWN
, key
, 0);
3408 case WM_SYSKEYDOWN
: /* Handle Alt+up/down arrows */
3410 SendMessageW(hCombo
, CB_SHOWDROPDOWN
, !bDropped
, 0);
3412 SendMessageW(hLBox
, WM_KEYDOWN
, VK_F4
, 0);
3417 SendMessageW(hCombo
, CB_SETEXTENDEDUI
, TRUE
, 0);
3423 /*********************************************************************
3427 * Handling of special keys that don't produce a WM_CHAR
3428 * (i.e. non-printable keys) & Backspace & Delete
3431 static LRESULT
EDIT_WM_KeyDown(EDITSTATE
*es
, INT key
)
3436 if (GetKeyState(VK_MENU
) & 0x8000)
3439 shift
= GetKeyState(VK_SHIFT
) & 0x8000;
3440 control
= GetKeyState(VK_CONTROL
) & 0x8000;
3445 if (EDIT_CheckCombo(es
, WM_KEYDOWN
, key
) || key
== VK_F4
)
3450 if ((es
->style
& ES_MULTILINE
) && (key
== VK_UP
))
3451 EDIT_MoveUp_ML(es
, shift
);
3454 EDIT_MoveWordBackward(es
, shift
);
3456 EDIT_MoveBackward(es
, shift
);
3459 if (EDIT_CheckCombo(es
, WM_KEYDOWN
, key
))
3463 if ((es
->style
& ES_MULTILINE
) && (key
== VK_DOWN
))
3464 EDIT_MoveDown_ML(es
, shift
);
3466 EDIT_MoveWordForward(es
, shift
);
3468 EDIT_MoveForward(es
, shift
);
3471 EDIT_MoveHome(es
, shift
, control
);
3474 EDIT_MoveEnd(es
, shift
, control
);
3477 if (es
->style
& ES_MULTILINE
)
3478 EDIT_MovePageUp_ML(es
, shift
);
3480 EDIT_CheckCombo(es
, WM_KEYDOWN
, key
);
3483 if (es
->style
& ES_MULTILINE
)
3484 EDIT_MovePageDown_ML(es
, shift
);
3486 EDIT_CheckCombo(es
, WM_KEYDOWN
, key
);
3489 if (!(es
->style
& ES_READONLY
) && !(shift
&& control
)) {
3490 if (es
->selection_start
!= es
->selection_end
) {
3497 /* delete character left of caret */
3498 EDIT_EM_SetSel(es
, (UINT
)-1, 0, FALSE
);
3499 EDIT_MoveBackward(es
, TRUE
);
3501 } else if (control
) {
3502 /* delete to end of line */
3503 EDIT_EM_SetSel(es
, (UINT
)-1, 0, FALSE
);
3504 EDIT_MoveEnd(es
, TRUE
, FALSE
);
3507 /* delete character right of caret */
3508 EDIT_EM_SetSel(es
, (UINT
)-1, 0, FALSE
);
3509 EDIT_MoveForward(es
, TRUE
);
3517 if (!(es
->style
& ES_READONLY
))
3523 /* If the edit doesn't want the return send a message to the default object */
3524 if(!(es
->style
& ES_MULTILINE
) || !(es
->style
& ES_WANTRETURN
))
3528 if (!EDIT_IsInsideDialog(es
)) break;
3530 dw
= SendMessageW(es
->hwndParent
, DM_GETDEFID
, 0, 0);
3531 if (HIWORD(dw
) == DC_HASDEFID
)
3533 HWND hwDefCtrl
= GetDlgItem(es
->hwndParent
, LOWORD(dw
));
3536 SendMessageW(es
->hwndParent
, WM_NEXTDLGCTL
, (WPARAM
)hwDefCtrl
, TRUE
);
3537 PostMessageW(hwDefCtrl
, WM_KEYDOWN
, VK_RETURN
, 0);
3543 if ((es
->style
& ES_MULTILINE
) && EDIT_IsInsideDialog(es
))
3544 PostMessageW(es
->hwndParent
, WM_CLOSE
, 0, 0);
3547 if ((es
->style
& ES_MULTILINE
) && EDIT_IsInsideDialog(es
))
3548 SendMessageW(es
->hwndParent
, WM_NEXTDLGCTL
, shift
, 0);
3555 /*********************************************************************
3560 static LRESULT
EDIT_WM_KillFocus(EDITSTATE
*es
)
3562 es
->flags
&= ~EF_FOCUSED
;
3564 if(!(es
->style
& ES_NOHIDESEL
))
3565 EDIT_InvalidateText(es
, es
->selection_start
, es
->selection_end
);
3566 EDIT_NOTIFY_PARENT(es
, EN_KILLFOCUS
);
3567 /* throw away left over scroll when we lose focus */
3568 es
->wheelDeltaRemainder
= 0;
3573 /*********************************************************************
3577 * The caret position has been set on the WM_LBUTTONDOWN message
3580 static LRESULT
EDIT_WM_LButtonDblClk(EDITSTATE
*es
)
3583 INT e
= es
->selection_end
;
3588 es
->bCaptureState
= TRUE
;
3589 SetCapture(es
->hwndSelf
);
3591 l
= EDIT_EM_LineFromChar(es
, e
);
3592 li
= EDIT_EM_LineIndex(es
, l
);
3593 ll
= EDIT_EM_LineLength(es
, e
);
3594 s
= li
+ EDIT_CallWordBreakProc(es
, li
, e
- li
, ll
, WB_LEFT
);
3595 e
= li
+ EDIT_CallWordBreakProc(es
, li
, e
- li
, ll
, WB_RIGHT
);
3596 EDIT_EM_SetSel(es
, s
, e
, FALSE
);
3597 EDIT_EM_ScrollCaret(es
);
3598 es
->region_posx
= es
->region_posy
= 0;
3599 SetTimer(es
->hwndSelf
, 0, 100, NULL
);
3604 /*********************************************************************
3609 static LRESULT
EDIT_WM_LButtonDown(EDITSTATE
*es
, DWORD keys
, INT x
, INT y
)
3614 es
->bCaptureState
= TRUE
;
3615 SetCapture(es
->hwndSelf
);
3616 EDIT_ConfinePoint(es
, &x
, &y
);
3617 e
= EDIT_CharFromPos(es
, x
, y
, &after_wrap
);
3618 EDIT_EM_SetSel(es
, (keys
& MK_SHIFT
) ? es
->selection_start
: e
, e
, after_wrap
);
3619 EDIT_EM_ScrollCaret(es
);
3620 es
->region_posx
= es
->region_posy
= 0;
3621 SetTimer(es
->hwndSelf
, 0, 100, NULL
);
3623 if (!(es
->flags
& EF_FOCUSED
))
3624 SetFocus(es
->hwndSelf
);
3630 /*********************************************************************
3635 static LRESULT
EDIT_WM_LButtonUp(EDITSTATE
*es
)
3637 if (es
->bCaptureState
) {
3638 KillTimer(es
->hwndSelf
, 0);
3639 if (GetCapture() == es
->hwndSelf
) ReleaseCapture();
3641 es
->bCaptureState
= FALSE
;
3646 /*********************************************************************
3651 static LRESULT
EDIT_WM_MButtonDown(EDITSTATE
*es
)
3653 SendMessageW(es
->hwndSelf
, WM_PASTE
, 0, 0);
3658 /*********************************************************************
3663 static LRESULT
EDIT_WM_MouseMove(EDITSTATE
*es
, INT x
, INT y
)
3669 /* If the mouse has been captured by process other than the edit control itself,
3670 * the windows edit controls will not select the strings with mouse move.
3672 if (!es
->bCaptureState
|| GetCapture() != es
->hwndSelf
)
3676 * FIXME: gotta do some scrolling if outside client
3677 * area. Maybe reset the timer ?
3680 EDIT_ConfinePoint(es
, &x
, &y
);
3681 es
->region_posx
= (prex
< x
) ? -1 : ((prex
> x
) ? 1 : 0);
3682 es
->region_posy
= (prey
< y
) ? -1 : ((prey
> y
) ? 1 : 0);
3683 e
= EDIT_CharFromPos(es
, x
, y
, &after_wrap
);
3684 EDIT_EM_SetSel(es
, es
->selection_start
, e
, after_wrap
);
3685 EDIT_SetCaretPos(es
,es
->selection_end
,es
->flags
& EF_AFTER_WRAP
);
3690 /*********************************************************************
3695 static void EDIT_WM_Paint(EDITSTATE
*es
, HDC hdc
)
3708 BOOL rev
= es
->bEnableState
&&
3709 ((es
->flags
& EF_FOCUSED
) ||
3710 (es
->style
& ES_NOHIDESEL
));
3711 dc
= hdc
? hdc
: BeginPaint(es
->hwndSelf
, &ps
);
3713 /* The dc we use for calculating may not be the one we paint into.
3714 This is the safest action. */
3715 EDIT_InvalidateUniscribeData(es
);
3716 GetClientRect(es
->hwndSelf
, &rcClient
);
3718 /* get the background brush */
3719 brush
= EDIT_NotifyCtlColor(es
, dc
);
3721 /* paint the border and the background */
3722 IntersectClipRect(dc
, rcClient
.left
, rcClient
.top
, rcClient
.right
, rcClient
.bottom
);
3724 if(es
->style
& WS_BORDER
) {
3725 bw
= GetSystemMetrics(SM_CXBORDER
);
3726 bh
= GetSystemMetrics(SM_CYBORDER
);
3728 if(es
->style
& ES_MULTILINE
) {
3729 if(es
->style
& WS_HSCROLL
) rc
.bottom
+=bh
;
3730 if(es
->style
& WS_VSCROLL
) rc
.right
+=bw
;
3733 /* Draw the frame. Same code as in nonclient.c */
3734 old_brush
= SelectObject(dc
, GetSysColorBrush(COLOR_WINDOWFRAME
));
3735 PatBlt(dc
, rc
.left
, rc
.top
, rc
.right
- rc
.left
, bh
, PATCOPY
);
3736 PatBlt(dc
, rc
.left
, rc
.top
, bw
, rc
.bottom
- rc
.top
, PATCOPY
);
3737 PatBlt(dc
, rc
.left
, rc
.bottom
- 1, rc
.right
- rc
.left
, -bw
, PATCOPY
);
3738 PatBlt(dc
, rc
.right
- 1, rc
.top
, -bw
, rc
.bottom
- rc
.top
, PATCOPY
);
3739 SelectObject(dc
, old_brush
);
3741 /* Keep the border clean */
3742 IntersectClipRect(dc
, rc
.left
+bw
, rc
.top
+bh
,
3743 max(rc
.right
-bw
, rc
.left
+bw
), max(rc
.bottom
-bh
, rc
.top
+bh
));
3746 GetClipBox(dc
, &rc
);
3747 FillRect(dc
, &rc
, brush
);
3749 IntersectClipRect(dc
, es
->format_rect
.left
,
3750 es
->format_rect
.top
,
3751 es
->format_rect
.right
,
3752 es
->format_rect
.bottom
);
3753 if (es
->style
& ES_MULTILINE
) {
3755 IntersectClipRect(dc
, rc
.left
, rc
.top
, rc
.right
, rc
.bottom
);
3758 old_font
= SelectObject(dc
, es
->font
);
3760 if (!es
->bEnableState
)
3761 SetTextColor(dc
, GetSysColor(COLOR_GRAYTEXT
));
3762 GetClipBox(dc
, &rcRgn
);
3763 if (es
->style
& ES_MULTILINE
) {
3764 INT vlc
= get_vertical_line_count(es
);
3765 for (i
= es
->y_offset
; i
<= min(es
->y_offset
+ vlc
, es
->y_offset
+ es
->line_count
- 1) ; i
++) {
3766 EDIT_UpdateUniscribeData(es
, dc
, i
);
3767 EDIT_GetLineRect(es
, i
, 0, -1, &rcLine
);
3768 if (IntersectRect(&rc
, &rcRgn
, &rcLine
))
3769 EDIT_PaintLine(es
, dc
, i
, rev
);
3772 EDIT_UpdateUniscribeData(es
, dc
, 0);
3773 EDIT_GetLineRect(es
, 0, 0, -1, &rcLine
);
3774 if (IntersectRect(&rc
, &rcRgn
, &rcLine
))
3775 EDIT_PaintLine(es
, dc
, 0, rev
);
3778 SelectObject(dc
, old_font
);
3781 EndPaint(es
->hwndSelf
, &ps
);
3785 /*********************************************************************
3790 static void EDIT_WM_SetFocus(EDITSTATE
*es
)
3792 es
->flags
|= EF_FOCUSED
;
3794 if (!(es
->style
& ES_NOHIDESEL
))
3795 EDIT_InvalidateText(es
, es
->selection_start
, es
->selection_end
);
3797 /* single line edit updates itself */
3798 if (IsWindowVisible(es
->hwndSelf
) && !(es
->style
& ES_MULTILINE
))
3800 HDC hdc
= GetDC(es
->hwndSelf
);
3801 EDIT_WM_Paint(es
, hdc
);
3802 ReleaseDC(es
->hwndSelf
, hdc
);
3805 CreateCaret(es
->hwndSelf
, 0, 1, es
->line_height
);
3806 EDIT_SetCaretPos(es
, es
->selection_end
,
3807 es
->flags
& EF_AFTER_WRAP
);
3808 ShowCaret(es
->hwndSelf
);
3809 EDIT_NOTIFY_PARENT(es
, EN_SETFOCUS
);
3813 /*********************************************************************
3817 * With Win95 look the margins are set to default font value unless
3818 * the system font (font == 0) is being set, in which case they are left
3822 static void EDIT_WM_SetFont(EDITSTATE
*es
, HFONT font
, BOOL redraw
)
3830 EDIT_InvalidateUniscribeData(es
);
3831 dc
= GetDC(es
->hwndSelf
);
3833 old_font
= SelectObject(dc
, font
);
3834 GetTextMetricsW(dc
, &tm
);
3835 es
->line_height
= tm
.tmHeight
;
3836 es
->char_width
= tm
.tmAveCharWidth
;
3838 SelectObject(dc
, old_font
);
3839 ReleaseDC(es
->hwndSelf
, dc
);
3841 /* Reset the format rect and the margins */
3842 GetClientRect(es
->hwndSelf
, &clientRect
);
3843 EDIT_SetRectNP(es
, &clientRect
);
3844 EDIT_EM_SetMargins(es
, EC_LEFTMARGIN
| EC_RIGHTMARGIN
,
3845 EC_USEFONTINFO
, EC_USEFONTINFO
, FALSE
);
3847 if (es
->style
& ES_MULTILINE
)
3848 EDIT_BuildLineDefs_ML(es
, 0, get_text_length(es
), 0, NULL
);
3850 EDIT_CalcLineWidth_SL(es
);
3853 EDIT_UpdateText(es
, NULL
, TRUE
);
3854 if (es
->flags
& EF_FOCUSED
) {
3856 CreateCaret(es
->hwndSelf
, 0, 1, es
->line_height
);
3857 EDIT_SetCaretPos(es
, es
->selection_end
,
3858 es
->flags
& EF_AFTER_WRAP
);
3859 ShowCaret(es
->hwndSelf
);
3864 /*********************************************************************
3869 * For multiline controls (ES_MULTILINE), reception of WM_SETTEXT triggers:
3870 * The modified flag is reset. No notifications are sent.
3872 * For single-line controls, reception of WM_SETTEXT triggers:
3873 * The modified flag is reset. EN_UPDATE and EN_CHANGE notifications are sent.
3876 static void EDIT_WM_SetText(EDITSTATE
*es
, LPCWSTR text
, BOOL unicode
)
3878 LPWSTR textW
= NULL
;
3879 if (!unicode
&& text
)
3881 LPCSTR textA
= (LPCSTR
)text
;
3882 INT countW
= MultiByteToWideChar(CP_ACP
, 0, textA
, -1, NULL
, 0);
3883 textW
= HeapAlloc(GetProcessHeap(), 0, countW
* sizeof(WCHAR
));
3885 MultiByteToWideChar(CP_ACP
, 0, textA
, -1, textW
, countW
);
3889 if (es
->flags
& EF_UPDATE
)
3890 /* fixed this bug once; complain if we see it about to happen again. */
3891 ERR("SetSel may generate UPDATE message whose handler may reset "
3894 EDIT_EM_SetSel(es
, 0, (UINT
)-1, FALSE
);
3897 TRACE("%s\n", debugstr_w(text
));
3898 EDIT_EM_ReplaceSel(es
, FALSE
, text
, strlenW(text
), FALSE
, FALSE
);
3900 HeapFree(GetProcessHeap(), 0, textW
);
3905 EDIT_EM_ReplaceSel(es
, FALSE
, NULL
, 0, FALSE
, FALSE
);
3908 es
->flags
&= ~EF_MODIFIED
;
3909 EDIT_EM_SetSel(es
, 0, 0, FALSE
);
3911 /* Send the notification after the selection start and end have been set
3912 * edit control doesn't send notification on WM_SETTEXT
3913 * if it is multiline, or it is part of combobox
3915 if( !((es
->style
& ES_MULTILINE
) || es
->hwndListBox
))
3917 EDIT_NOTIFY_PARENT(es
, EN_UPDATE
);
3918 EDIT_NOTIFY_PARENT(es
, EN_CHANGE
);
3920 EDIT_EM_ScrollCaret(es
);
3921 EDIT_UpdateScrollInfo(es
);
3922 EDIT_InvalidateUniscribeData(es
);
3926 /*********************************************************************
3931 static void EDIT_WM_Size(EDITSTATE
*es
, UINT action
)
3933 if ((action
== SIZE_MAXIMIZED
) || (action
== SIZE_RESTORED
)) {
3935 GetClientRect(es
->hwndSelf
, &rc
);
3936 EDIT_SetRectNP(es
, &rc
);
3937 EDIT_UpdateText(es
, NULL
, TRUE
);
3942 /*********************************************************************
3946 * This message is sent by SetWindowLong on having changed either the Style
3947 * or the extended style.
3949 * We ensure that the window's version of the styles and the EDITSTATE's agree.
3951 * See also EDIT_WM_NCCreate
3953 * It appears that the Windows version of the edit control allows the style
3954 * (as retrieved by GetWindowLong) to be any value and maintains an internal
3955 * style variable which will generally be different. In this function we
3956 * update the internal style based on what changed in the externally visible
3959 * Much of this content as based upon the MSDN, especially:
3960 * Platform SDK Documentation -> User Interface Services ->
3961 * Windows User Interface -> Edit Controls -> Edit Control Reference ->
3962 * Edit Control Styles
3964 static LRESULT
EDIT_WM_StyleChanged ( EDITSTATE
*es
, WPARAM which
, const STYLESTRUCT
*style
)
3966 if (GWL_STYLE
== which
) {
3967 DWORD style_change_mask
;
3969 /* Only a subset of changes can be applied after the control
3972 style_change_mask
= ES_UPPERCASE
| ES_LOWERCASE
|
3974 if (es
->style
& ES_MULTILINE
)
3975 style_change_mask
|= ES_WANTRETURN
;
3977 new_style
= style
->styleNew
& style_change_mask
;
3979 /* Number overrides lowercase overrides uppercase (at least it
3980 * does in Win95). However I'll bet that ES_NUMBER would be
3981 * invalid under Win 3.1.
3983 if (new_style
& ES_NUMBER
) {
3984 ; /* do not override the ES_NUMBER */
3985 } else if (new_style
& ES_LOWERCASE
) {
3986 new_style
&= ~ES_UPPERCASE
;
3989 es
->style
= (es
->style
& ~style_change_mask
) | new_style
;
3990 } else if (GWL_EXSTYLE
== which
) {
3991 ; /* FIXME - what is needed here */
3993 WARN ("Invalid style change %ld\n",which
);
3999 /*********************************************************************
4004 static LRESULT
EDIT_WM_SysKeyDown(EDITSTATE
*es
, INT key
, DWORD key_data
)
4006 if ((key
== VK_BACK
) && (key_data
& 0x2000)) {
4007 if (EDIT_EM_CanUndo(es
))
4010 } else if (key
== VK_UP
|| key
== VK_DOWN
) {
4011 if (EDIT_CheckCombo(es
, WM_SYSKEYDOWN
, key
))
4014 return DefWindowProcW(es
->hwndSelf
, WM_SYSKEYDOWN
, key
, key_data
);
4018 /*********************************************************************
4023 static void EDIT_WM_Timer(EDITSTATE
*es
)
4025 if (es
->region_posx
< 0) {
4026 EDIT_MoveBackward(es
, TRUE
);
4027 } else if (es
->region_posx
> 0) {
4028 EDIT_MoveForward(es
, TRUE
);
4031 * FIXME: gotta do some vertical scrolling here, like
4032 * EDIT_EM_LineScroll(hwnd, 0, 1);
4036 /*********************************************************************
4041 static LRESULT
EDIT_WM_HScroll(EDITSTATE
*es
, INT action
, INT pos
)
4046 if (!(es
->style
& ES_MULTILINE
))
4049 if (!(es
->style
& ES_AUTOHSCROLL
))
4053 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
4056 TRACE("SB_LINELEFT\n");
4058 dx
= -es
->char_width
;
4061 TRACE("SB_LINERIGHT\n");
4062 if (es
->x_offset
< es
->text_width
)
4063 dx
= es
->char_width
;
4066 TRACE("SB_PAGELEFT\n");
4068 dx
= -fw
/ HSCROLL_FRACTION
/ es
->char_width
* es
->char_width
;
4071 TRACE("SB_PAGERIGHT\n");
4072 if (es
->x_offset
< es
->text_width
)
4073 dx
= fw
/ HSCROLL_FRACTION
/ es
->char_width
* es
->char_width
;
4081 TRACE("SB_RIGHT\n");
4082 if (es
->x_offset
< es
->text_width
)
4083 dx
= es
->text_width
- es
->x_offset
;
4086 TRACE("SB_THUMBTRACK %d\n", pos
);
4087 es
->flags
|= EF_HSCROLL_TRACK
;
4088 if(es
->style
& WS_HSCROLL
)
4089 dx
= pos
- es
->x_offset
;
4094 if(pos
< 0 || pos
> 100) return 0;
4095 /* Assume default scroll range 0-100 */
4096 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
4097 new_x
= pos
* (es
->text_width
- fw
) / 100;
4098 dx
= es
->text_width
? (new_x
- es
->x_offset
) : 0;
4101 case SB_THUMBPOSITION
:
4102 TRACE("SB_THUMBPOSITION %d\n", pos
);
4103 es
->flags
&= ~EF_HSCROLL_TRACK
;
4104 if(GetWindowLongW( es
->hwndSelf
, GWL_STYLE
) & WS_HSCROLL
)
4105 dx
= pos
- es
->x_offset
;
4110 if(pos
< 0 || pos
> 100) return 0;
4111 /* Assume default scroll range 0-100 */
4112 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
4113 new_x
= pos
* (es
->text_width
- fw
) / 100;
4114 dx
= es
->text_width
? (new_x
- es
->x_offset
) : 0;
4117 /* force scroll info update */
4118 EDIT_UpdateScrollInfo(es
);
4119 EDIT_NOTIFY_PARENT(es
, EN_HSCROLL
);
4123 TRACE("SB_ENDSCROLL\n");
4126 * FIXME : the next two are undocumented !
4127 * Are we doing the right thing ?
4128 * At least Win 3.1 Notepad makes use of EM_GETTHUMB this way,
4129 * although it's also a regular control message.
4131 case EM_GETTHUMB
: /* this one is used by NT notepad */
4134 if(GetWindowLongW( es
->hwndSelf
, GWL_STYLE
) & WS_HSCROLL
)
4135 ret
= GetScrollPos(es
->hwndSelf
, SB_HORZ
);
4138 /* Assume default scroll range 0-100 */
4139 INT fw
= es
->format_rect
.right
- es
->format_rect
.left
;
4140 ret
= es
->text_width
? es
->x_offset
* 100 / (es
->text_width
- fw
) : 0;
4142 TRACE("EM_GETTHUMB: returning %ld\n", ret
);
4146 TRACE("EM_LINESCROLL16\n");
4151 ERR("undocumented WM_HSCROLL action %d (0x%04x), please report\n",
4157 INT fw
= es
->format_rect
.right
- es
->format_rect
.left
;
4158 /* check if we are going to move too far */
4159 if(es
->x_offset
+ dx
+ fw
> es
->text_width
)
4160 dx
= es
->text_width
- fw
- es
->x_offset
;
4162 EDIT_EM_LineScroll_internal(es
, dx
, 0);
4168 /*********************************************************************
4173 static LRESULT
EDIT_WM_VScroll(EDITSTATE
*es
, INT action
, INT pos
)
4177 if (!(es
->style
& ES_MULTILINE
))
4180 if (!(es
->style
& ES_AUTOVSCROLL
))
4189 TRACE("action %d (%s)\n", action
, (action
== SB_LINEUP
? "SB_LINEUP" :
4190 (action
== SB_LINEDOWN
? "SB_LINEDOWN" :
4191 (action
== SB_PAGEUP
? "SB_PAGEUP" :
4193 EDIT_EM_Scroll(es
, action
);
4200 TRACE("SB_BOTTOM\n");
4201 dy
= es
->line_count
- 1 - es
->y_offset
;
4204 TRACE("SB_THUMBTRACK %d\n", pos
);
4205 es
->flags
|= EF_VSCROLL_TRACK
;
4206 if(es
->style
& WS_VSCROLL
)
4207 dy
= pos
- es
->y_offset
;
4210 /* Assume default scroll range 0-100 */
4213 if(pos
< 0 || pos
> 100) return 0;
4214 vlc
= get_vertical_line_count(es
);
4215 new_y
= pos
* (es
->line_count
- vlc
) / 100;
4216 dy
= es
->line_count
? (new_y
- es
->y_offset
) : 0;
4217 TRACE("line_count=%d, y_offset=%d, pos=%d, dy = %d\n",
4218 es
->line_count
, es
->y_offset
, pos
, dy
);
4221 case SB_THUMBPOSITION
:
4222 TRACE("SB_THUMBPOSITION %d\n", pos
);
4223 es
->flags
&= ~EF_VSCROLL_TRACK
;
4224 if(es
->style
& WS_VSCROLL
)
4225 dy
= pos
- es
->y_offset
;
4228 /* Assume default scroll range 0-100 */
4231 if(pos
< 0 || pos
> 100) return 0;
4232 vlc
= get_vertical_line_count(es
);
4233 new_y
= pos
* (es
->line_count
- vlc
) / 100;
4234 dy
= es
->line_count
? (new_y
- es
->y_offset
) : 0;
4235 TRACE("line_count=%d, y_offset=%d, pos=%d, dy = %d\n",
4236 es
->line_count
, es
->y_offset
, pos
, dy
);
4240 /* force scroll info update */
4241 EDIT_UpdateScrollInfo(es
);
4242 EDIT_NOTIFY_PARENT(es
, EN_VSCROLL
);
4246 TRACE("SB_ENDSCROLL\n");
4249 * FIXME : the next two are undocumented !
4250 * Are we doing the right thing ?
4251 * At least Win 3.1 Notepad makes use of EM_GETTHUMB this way,
4252 * although it's also a regular control message.
4254 case EM_GETTHUMB
: /* this one is used by NT notepad */
4257 if(GetWindowLongW( es
->hwndSelf
, GWL_STYLE
) & WS_VSCROLL
)
4258 ret
= GetScrollPos(es
->hwndSelf
, SB_VERT
);
4261 /* Assume default scroll range 0-100 */
4262 INT vlc
= get_vertical_line_count(es
);
4263 ret
= es
->line_count
? es
->y_offset
* 100 / (es
->line_count
- vlc
) : 0;
4265 TRACE("EM_GETTHUMB: returning %ld\n", ret
);
4269 TRACE("EM_LINESCROLL %d\n", pos
);
4274 ERR("undocumented WM_VSCROLL action %d (0x%04x), please report\n",
4279 EDIT_EM_LineScroll(es
, 0, dy
);
4283 /*********************************************************************
4287 * FIXME: is this right ? (or should it be only VSCROLL)
4288 * (and maybe only for edit controls that really have their
4289 * own scrollbars) (and maybe only for multiline controls ?)
4290 * All in all: very poorly documented
4293 static LRESULT
EDIT_EM_GetThumb(EDITSTATE
*es
)
4295 return MAKELONG(EDIT_WM_VScroll(es
, EM_GETTHUMB
, 0),
4296 EDIT_WM_HScroll(es
, EM_GETTHUMB
, 0));
4300 /********************************************************************
4302 * The Following code is to handle inline editing from IMEs
4305 static void EDIT_GetCompositionStr(HIMC hIMC
, LPARAM CompFlag
, EDITSTATE
*es
)
4309 LPSTR lpCompStrAttr
= NULL
;
4312 buflen
= ImmGetCompositionStringW(hIMC
, GCS_COMPSTR
, NULL
, 0);
4319 lpCompStr
= HeapAlloc(GetProcessHeap(),0,buflen
);
4322 ERR("Unable to allocate IME CompositionString\n");
4327 ImmGetCompositionStringW(hIMC
, GCS_COMPSTR
, lpCompStr
, buflen
);
4329 if (CompFlag
& GCS_COMPATTR
)
4332 * We do not use the attributes yet. it would tell us what characters
4333 * are in transition and which are converted or decided upon
4335 dwBufLenAttr
= ImmGetCompositionStringW(hIMC
, GCS_COMPATTR
, NULL
, 0);
4339 lpCompStrAttr
= HeapAlloc(GetProcessHeap(),0,dwBufLenAttr
+1);
4342 ERR("Unable to allocate IME Attribute String\n");
4343 HeapFree(GetProcessHeap(),0,lpCompStr
);
4346 ImmGetCompositionStringW(hIMC
,GCS_COMPATTR
, lpCompStrAttr
,
4348 lpCompStrAttr
[dwBufLenAttr
] = 0;
4352 /* check for change in composition start */
4353 if (es
->selection_end
< es
->composition_start
)
4354 es
->composition_start
= es
->selection_end
;
4356 /* replace existing selection string */
4357 es
->selection_start
= es
->composition_start
;
4359 if (es
->composition_len
> 0)
4360 es
->selection_end
= es
->composition_start
+ es
->composition_len
;
4362 es
->selection_end
= es
->selection_start
;
4364 EDIT_EM_ReplaceSel(es
, FALSE
, lpCompStr
, buflen
/ sizeof(WCHAR
), TRUE
, TRUE
);
4365 es
->composition_len
= abs(es
->composition_start
- es
->selection_end
);
4367 es
->selection_start
= es
->composition_start
;
4368 es
->selection_end
= es
->selection_start
+ es
->composition_len
;
4370 HeapFree(GetProcessHeap(),0,lpCompStrAttr
);
4371 HeapFree(GetProcessHeap(),0,lpCompStr
);
4374 static void EDIT_GetResultStr(HIMC hIMC
, EDITSTATE
*es
)
4379 buflen
= ImmGetCompositionStringW(hIMC
, GCS_RESULTSTR
, NULL
, 0);
4385 lpResultStr
= HeapAlloc(GetProcessHeap(),0, buflen
);
4388 ERR("Unable to alloc buffer for IME string\n");
4392 ImmGetCompositionStringW(hIMC
, GCS_RESULTSTR
, lpResultStr
, buflen
);
4394 /* check for change in composition start */
4395 if (es
->selection_end
< es
->composition_start
)
4396 es
->composition_start
= es
->selection_end
;
4398 es
->selection_start
= es
->composition_start
;
4399 es
->selection_end
= es
->composition_start
+ es
->composition_len
;
4400 EDIT_EM_ReplaceSel(es
, TRUE
, lpResultStr
, buflen
/ sizeof(WCHAR
), TRUE
, TRUE
);
4401 es
->composition_start
= es
->selection_end
;
4402 es
->composition_len
= 0;
4404 HeapFree(GetProcessHeap(),0,lpResultStr
);
4407 static void EDIT_ImeComposition(HWND hwnd
, LPARAM CompFlag
, EDITSTATE
*es
)
4412 if (es
->composition_len
== 0 && es
->selection_start
!= es
->selection_end
)
4414 EDIT_EM_ReplaceSel(es
, TRUE
, NULL
, 0, TRUE
, TRUE
);
4415 es
->composition_start
= es
->selection_end
;
4418 hIMC
= ImmGetContext(hwnd
);
4422 if (CompFlag
& GCS_RESULTSTR
)
4424 EDIT_GetResultStr(hIMC
, es
);
4429 if (CompFlag
& GCS_COMPSTR
)
4430 EDIT_GetCompositionStr(hIMC
, CompFlag
, es
);
4431 cursor
= ImmGetCompositionStringW(hIMC
, GCS_CURSORPOS
, 0, 0);
4433 ImmReleaseContext(hwnd
, hIMC
);
4434 EDIT_SetCaretPos(es
, es
->selection_start
+ cursor
, es
->flags
& EF_AFTER_WRAP
);
4438 /*********************************************************************
4442 * See also EDIT_WM_StyleChanged
4444 static LRESULT
EDIT_WM_NCCreate(HWND hwnd
, LPCREATESTRUCTW lpcs
, BOOL unicode
)
4449 TRACE("Creating %s edit control, style = %08x\n",
4450 unicode
? "Unicode" : "ANSI", lpcs
->style
);
4452 if (!(es
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(*es
))))
4454 SetWindowLongPtrW( hwnd
, 0, (LONG_PTR
)es
);
4457 * Note: since the EDITSTATE has not been fully initialized yet,
4458 * we can't use any API calls that may send
4459 * WM_XXX messages before WM_NCCREATE is completed.
4462 es
->is_unicode
= unicode
;
4463 es
->style
= lpcs
->style
;
4465 es
->bEnableState
= !(es
->style
& WS_DISABLED
);
4467 es
->hwndSelf
= hwnd
;
4468 /* Save parent, which will be notified by EN_* messages */
4469 es
->hwndParent
= lpcs
->hwndParent
;
4471 if (es
->style
& ES_COMBO
)
4472 es
->hwndListBox
= GetDlgItem(es
->hwndParent
, ID_CB_LISTBOX
);
4474 /* FIXME: should we handle changes to WS_EX_RIGHT style after creation? */
4475 if (lpcs
->dwExStyle
& WS_EX_RIGHT
) es
->style
|= ES_RIGHT
;
4477 /* Number overrides lowercase overrides uppercase (at least it
4478 * does in Win95). However I'll bet that ES_NUMBER would be
4479 * invalid under Win 3.1.
4481 if (es
->style
& ES_NUMBER
) {
4482 ; /* do not override the ES_NUMBER */
4483 } else if (es
->style
& ES_LOWERCASE
) {
4484 es
->style
&= ~ES_UPPERCASE
;
4486 if (es
->style
& ES_MULTILINE
) {
4487 es
->buffer_limit
= BUFLIMIT_INITIAL
;
4488 if (es
->style
& WS_VSCROLL
)
4489 es
->style
|= ES_AUTOVSCROLL
;
4490 if (es
->style
& WS_HSCROLL
)
4491 es
->style
|= ES_AUTOHSCROLL
;
4492 es
->style
&= ~ES_PASSWORD
;
4493 if ((es
->style
& ES_CENTER
) || (es
->style
& ES_RIGHT
)) {
4494 /* Confirmed - RIGHT overrides CENTER */
4495 if (es
->style
& ES_RIGHT
)
4496 es
->style
&= ~ES_CENTER
;
4497 es
->style
&= ~WS_HSCROLL
;
4498 es
->style
&= ~ES_AUTOHSCROLL
;
4501 es
->buffer_limit
= BUFLIMIT_INITIAL
;
4502 if ((es
->style
& ES_RIGHT
) && (es
->style
& ES_CENTER
))
4503 es
->style
&= ~ES_CENTER
;
4504 es
->style
&= ~WS_HSCROLL
;
4505 es
->style
&= ~WS_VSCROLL
;
4506 if (es
->style
& ES_PASSWORD
)
4507 es
->password_char
= '*';
4510 alloc_size
= ROUND_TO_GROW((es
->buffer_size
+ 1) * sizeof(WCHAR
));
4511 if(!(es
->hloc32W
= LocalAlloc(LMEM_MOVEABLE
| LMEM_ZEROINIT
, alloc_size
)))
4513 es
->buffer_size
= LocalSize(es
->hloc32W
)/sizeof(WCHAR
) - 1;
4515 if (!(es
->undo_text
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, (es
->buffer_size
+ 1) * sizeof(WCHAR
))))
4517 es
->undo_buffer_size
= es
->buffer_size
;
4519 if (es
->style
& ES_MULTILINE
)
4520 if (!(es
->first_line_def
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(LINEDEF
))))
4525 * In Win95 look and feel, the WS_BORDER style is replaced by the
4526 * WS_EX_CLIENTEDGE style for the edit control. This gives the edit
4527 * control a nonclient area so we don't need to draw the border.
4528 * If WS_BORDER without WS_EX_CLIENTEDGE is specified we shouldn't have
4529 * a nonclient area and we should handle painting the border ourselves.
4531 * When making modifications please ensure that the code still works
4532 * for edit controls created directly with style 0x50800000, exStyle 0
4533 * (which should have a single pixel border)
4535 if (lpcs
->dwExStyle
& WS_EX_CLIENTEDGE
)
4536 es
->style
&= ~WS_BORDER
;
4537 else if (es
->style
& WS_BORDER
)
4538 SetWindowLongW(hwnd
, GWL_STYLE
, es
->style
& ~WS_BORDER
);
4543 SetWindowLongPtrW(es
->hwndSelf
, 0, 0);
4544 EDIT_InvalidateUniscribeData(es
);
4545 HeapFree(GetProcessHeap(), 0, es
->first_line_def
);
4546 HeapFree(GetProcessHeap(), 0, es
->undo_text
);
4547 if (es
->hloc32W
) LocalFree(es
->hloc32W
);
4548 HeapFree(GetProcessHeap(), 0, es
->logAttr
);
4549 HeapFree(GetProcessHeap(), 0, es
);
4554 /*********************************************************************
4559 static LRESULT
EDIT_WM_Create(EDITSTATE
*es
, LPCWSTR name
)
4563 TRACE("%s\n", debugstr_w(name
));
4565 * To initialize some final structure members, we call some helper
4566 * functions. However, since the EDITSTATE is not consistent (i.e.
4567 * not fully initialized), we should be very careful which
4568 * functions can be called, and in what order.
4570 EDIT_WM_SetFont(es
, 0, FALSE
);
4571 EDIT_EM_EmptyUndoBuffer(es
);
4573 /* We need to calculate the format rect
4574 (applications may send EM_SETMARGINS before the control gets visible) */
4575 GetClientRect(es
->hwndSelf
, &clientRect
);
4576 EDIT_SetRectNP(es
, &clientRect
);
4578 if (name
&& *name
) {
4579 EDIT_EM_ReplaceSel(es
, FALSE
, name
, strlenW(name
), FALSE
, FALSE
);
4580 /* if we insert text to the editline, the text scrolls out
4581 * of the window, as the caret is placed after the insert
4582 * pos normally; thus we reset es->selection... to 0 and
4585 es
->selection_start
= es
->selection_end
= 0;
4586 /* Adobe Photoshop does NOT like this. and MSDN says that EN_CHANGE
4587 * Messages are only to be sent when the USER does something to
4588 * change the contents. So I am removing this EN_CHANGE
4590 * EDIT_NOTIFY_PARENT(es, EN_CHANGE);
4592 EDIT_EM_ScrollCaret(es
);
4594 /* force scroll info update */
4595 EDIT_UpdateScrollInfo(es
);
4596 /* The rule seems to return 1 here for success */
4597 /* Power Builder masked edit controls will crash */
4599 /* FIXME: is that in all cases so ? */
4604 /*********************************************************************
4609 static LRESULT
EDIT_WM_NCDestroy(EDITSTATE
*es
)
4613 /* The app can own the text buffer handle */
4614 if (es
->hloc32W
&& (es
->hloc32W
!= es
->hlocapp
)) {
4615 LocalFree(es
->hloc32W
);
4617 if (es
->hloc32A
&& (es
->hloc32A
!= es
->hlocapp
)) {
4618 LocalFree(es
->hloc32A
);
4620 EDIT_InvalidateUniscribeData(es
);
4621 pc
= es
->first_line_def
;
4625 HeapFree(GetProcessHeap(), 0, pc
);
4629 SetWindowLongPtrW( es
->hwndSelf
, 0, 0 );
4630 HeapFree(GetProcessHeap(), 0, es
->undo_text
);
4631 HeapFree(GetProcessHeap(), 0, es
);
4637 static inline LRESULT
DefWindowProcT(HWND hwnd
, UINT msg
, WPARAM wParam
, LPARAM lParam
, BOOL unicode
)
4640 return DefWindowProcW(hwnd
, msg
, wParam
, lParam
);
4642 return DefWindowProcA(hwnd
, msg
, wParam
, lParam
);
4645 /*********************************************************************
4647 * EditWndProc_common
4649 * The messages are in the order of the actual integer values
4650 * (which can be found in include/windows.h)
4652 LRESULT
EditWndProc_common( HWND hwnd
, UINT msg
, WPARAM wParam
, LPARAM lParam
, BOOL unicode
)
4654 EDITSTATE
*es
= (EDITSTATE
*)GetWindowLongPtrW( hwnd
, 0 );
4657 TRACE("hwnd=%p msg=%x (%s) wparam=%lx lparam=%lx\n", hwnd
, msg
, SPY_GetMsgName(msg
, hwnd
), wParam
, lParam
);
4659 if (!es
&& msg
!= WM_NCCREATE
)
4660 return DefWindowProcT(hwnd
, msg
, wParam
, lParam
, unicode
);
4662 if (es
&& (msg
!= WM_NCDESTROY
)) EDIT_LockBuffer(es
);
4666 result
= EDIT_EM_GetSel(es
, (PUINT
)wParam
, (PUINT
)lParam
);
4670 EDIT_EM_SetSel(es
, wParam
, lParam
, FALSE
);
4671 EDIT_EM_ScrollCaret(es
);
4677 *((LPRECT
)lParam
) = es
->format_rect
;
4681 if ((es
->style
& ES_MULTILINE
) && lParam
) {
4682 EDIT_SetRectNP(es
, (LPRECT
)lParam
);
4683 EDIT_UpdateText(es
, NULL
, TRUE
);
4688 if ((es
->style
& ES_MULTILINE
) && lParam
)
4689 EDIT_SetRectNP(es
, (LPRECT
)lParam
);
4693 result
= EDIT_EM_Scroll(es
, (INT
)wParam
);
4697 result
= (LRESULT
)EDIT_EM_LineScroll(es
, (INT
)wParam
, (INT
)lParam
);
4700 case EM_SCROLLCARET
:
4701 EDIT_EM_ScrollCaret(es
);
4706 result
= ((es
->flags
& EF_MODIFIED
) != 0);
4711 es
->flags
|= EF_MODIFIED
;
4713 es
->flags
&= ~(EF_MODIFIED
| EF_UPDATE
); /* reset pending updates */
4716 case EM_GETLINECOUNT
:
4717 result
= (es
->style
& ES_MULTILINE
) ? es
->line_count
: 1;
4721 result
= (LRESULT
)EDIT_EM_LineIndex(es
, (INT
)wParam
);
4725 EDIT_EM_SetHandle(es
, (HLOCAL
)wParam
);
4729 result
= (LRESULT
)EDIT_EM_GetHandle(es
);
4733 result
= EDIT_EM_GetThumb(es
);
4736 /* these messages missing from specs */
4741 FIXME("undocumented message 0x%x, please report\n", msg
);
4742 result
= DefWindowProcW(hwnd
, msg
, wParam
, lParam
);
4746 result
= (LRESULT
)EDIT_EM_LineLength(es
, (INT
)wParam
);
4754 textW
= (LPWSTR
)lParam
;
4757 LPSTR textA
= (LPSTR
)lParam
;
4758 INT countW
= MultiByteToWideChar(CP_ACP
, 0, textA
, -1, NULL
, 0);
4759 if (!(textW
= HeapAlloc(GetProcessHeap(), 0, countW
* sizeof(WCHAR
)))) break;
4760 MultiByteToWideChar(CP_ACP
, 0, textA
, -1, textW
, countW
);
4763 EDIT_EM_ReplaceSel(es
, (BOOL
)wParam
, textW
, strlenW(textW
), TRUE
, TRUE
);
4767 HeapFree(GetProcessHeap(), 0, textW
);
4772 result
= (LRESULT
)EDIT_EM_GetLine(es
, (INT
)wParam
, (LPWSTR
)lParam
, unicode
);
4775 case EM_SETLIMITTEXT
:
4776 EDIT_EM_SetLimitText(es
, wParam
);
4780 result
= (LRESULT
)EDIT_EM_CanUndo(es
);
4785 result
= (LRESULT
)EDIT_EM_Undo(es
);
4789 result
= (LRESULT
)EDIT_EM_FmtLines(es
, (BOOL
)wParam
);
4792 case EM_LINEFROMCHAR
:
4793 result
= (LRESULT
)EDIT_EM_LineFromChar(es
, (INT
)wParam
);
4796 case EM_SETTABSTOPS
:
4797 result
= (LRESULT
)EDIT_EM_SetTabStops(es
, (INT
)wParam
, (LPINT
)lParam
);
4800 case EM_SETPASSWORDCHAR
:
4805 charW
= (WCHAR
)wParam
;
4808 CHAR charA
= wParam
;
4809 MultiByteToWideChar(CP_ACP
, 0, &charA
, 1, &charW
, 1);
4812 EDIT_EM_SetPasswordChar(es
, charW
);
4816 case EM_EMPTYUNDOBUFFER
:
4817 EDIT_EM_EmptyUndoBuffer(es
);
4820 case EM_GETFIRSTVISIBLELINE
:
4821 result
= (es
->style
& ES_MULTILINE
) ? es
->y_offset
: es
->x_offset
;
4824 case EM_SETREADONLY
:
4826 DWORD old_style
= es
->style
;
4829 SetWindowLongW( hwnd
, GWL_STYLE
,
4830 GetWindowLongW( hwnd
, GWL_STYLE
) | ES_READONLY
);
4831 es
->style
|= ES_READONLY
;
4833 SetWindowLongW( hwnd
, GWL_STYLE
,
4834 GetWindowLongW( hwnd
, GWL_STYLE
) & ~ES_READONLY
);
4835 es
->style
&= ~ES_READONLY
;
4838 if (old_style
^ es
->style
)
4839 InvalidateRect(es
->hwndSelf
, NULL
, TRUE
);
4845 case EM_SETWORDBREAKPROC
:
4846 EDIT_EM_SetWordBreakProc(es
, (void *)lParam
);
4849 case EM_GETWORDBREAKPROC
:
4850 result
= (LRESULT
)es
->word_break_proc
;
4853 case EM_GETPASSWORDCHAR
:
4856 result
= es
->password_char
;
4859 WCHAR charW
= es
->password_char
;
4861 WideCharToMultiByte(CP_ACP
, 0, &charW
, 1, &charA
, 1, NULL
, NULL
);
4868 EDIT_EM_SetMargins(es
, (INT
)wParam
, LOWORD(lParam
), HIWORD(lParam
), TRUE
);
4872 result
= MAKELONG(es
->left_margin
, es
->right_margin
);
4875 case EM_GETLIMITTEXT
:
4876 result
= es
->buffer_limit
;
4879 case EM_POSFROMCHAR
:
4880 if ((INT
)wParam
>= get_text_length(es
)) result
= -1;
4881 else result
= EDIT_EM_PosFromChar(es
, (INT
)wParam
, FALSE
);
4884 case EM_CHARFROMPOS
:
4885 result
= EDIT_EM_CharFromPos(es
, (short)LOWORD(lParam
), (short)HIWORD(lParam
));
4888 /* End of the EM_ messages which were in numerical order; what order
4889 * are these in? vaguely alphabetical?
4893 result
= EDIT_WM_NCCreate(hwnd
, (LPCREATESTRUCTW
)lParam
, unicode
);
4897 result
= EDIT_WM_NCDestroy(es
);
4902 result
= DLGC_HASSETSEL
| DLGC_WANTCHARS
| DLGC_WANTARROWS
;
4904 if (es
->style
& ES_MULTILINE
)
4905 result
|= DLGC_WANTALLKEYS
;
4909 es
->flags
|=EF_DIALOGMODE
;
4911 if (((LPMSG
)lParam
)->message
== WM_KEYDOWN
)
4913 int vk
= (int)((LPMSG
)lParam
)->wParam
;
4915 if (es
->hwndListBox
)
4917 if (vk
== VK_RETURN
|| vk
== VK_ESCAPE
)
4918 if (SendMessageW(GetParent(hwnd
), CB_GETDROPPEDSTATE
, 0, 0))
4919 result
|= DLGC_WANTMESSAGE
;
4931 strng
[0] = wParam
>> 8;
4932 strng
[1] = wParam
& 0xff;
4933 if (strng
[0]) MultiByteToWideChar(CP_ACP
, 0, strng
, 2, &charW
, 1);
4934 else MultiByteToWideChar(CP_ACP
, 0, &strng
[1], 1, &charW
, 1);
4935 result
= EDIT_WM_Char(es
, charW
);
4947 CHAR charA
= wParam
;
4948 MultiByteToWideChar(CP_ACP
, 0, &charA
, 1, &charW
, 1);
4951 if (es
->hwndListBox
)
4953 if (charW
== VK_RETURN
|| charW
== VK_ESCAPE
)
4955 if (SendMessageW(GetParent(hwnd
), CB_GETDROPPEDSTATE
, 0, 0))
4956 SendMessageW(GetParent(hwnd
), WM_KEYDOWN
, charW
, 0);
4960 result
= EDIT_WM_Char(es
, charW
);
4967 if (wParam
== UNICODE_NOCHAR
) return TRUE
;
4968 if (wParam
<= 0x000fffff)
4970 if(wParam
> 0xffff) /* convert to surrogates */
4973 EDIT_WM_Char(es
, (wParam
>> 10) + 0xd800);
4974 EDIT_WM_Char(es
, (wParam
& 0x03ff) + 0xdc00);
4976 else EDIT_WM_Char(es
, wParam
);
4986 case WM_CONTEXTMENU
:
4987 EDIT_WM_ContextMenu(es
, (short)LOWORD(lParam
), (short)HIWORD(lParam
));
4996 result
= EDIT_WM_Create(es
, ((LPCREATESTRUCTW
)lParam
)->lpszName
);
4999 LPCSTR nameA
= ((LPCREATESTRUCTA
)lParam
)->lpszName
;
5000 LPWSTR nameW
= NULL
;
5003 INT countW
= MultiByteToWideChar(CP_ACP
, 0, nameA
, -1, NULL
, 0);
5004 if((nameW
= HeapAlloc(GetProcessHeap(), 0, countW
* sizeof(WCHAR
))))
5005 MultiByteToWideChar(CP_ACP
, 0, nameA
, -1, nameW
, countW
);
5007 result
= EDIT_WM_Create(es
, nameW
);
5008 HeapFree(GetProcessHeap(), 0, nameW
);
5017 es
->bEnableState
= (BOOL
) wParam
;
5018 EDIT_UpdateText(es
, NULL
, TRUE
);
5022 /* we do the proper erase in EDIT_WM_Paint */
5027 result
= (LRESULT
)es
->font
;
5031 result
= (LRESULT
)EDIT_WM_GetText(es
, (INT
)wParam
, (LPWSTR
)lParam
, unicode
);
5034 case WM_GETTEXTLENGTH
:
5035 if (unicode
) result
= get_text_length(es
);
5036 else result
= WideCharToMultiByte( CP_ACP
, 0, es
->text
, get_text_length(es
),
5037 NULL
, 0, NULL
, NULL
);
5041 result
= EDIT_WM_HScroll(es
, LOWORD(wParam
), (short)HIWORD(wParam
));
5045 result
= EDIT_WM_KeyDown(es
, (INT
)wParam
);
5049 result
= EDIT_WM_KillFocus(es
);
5052 case WM_LBUTTONDBLCLK
:
5053 result
= EDIT_WM_LButtonDblClk(es
);
5056 case WM_LBUTTONDOWN
:
5057 result
= EDIT_WM_LButtonDown(es
, wParam
, (short)LOWORD(lParam
), (short)HIWORD(lParam
));
5061 result
= EDIT_WM_LButtonUp(es
);
5064 case WM_MBUTTONDOWN
:
5065 result
= EDIT_WM_MButtonDown(es
);
5069 result
= EDIT_WM_MouseMove(es
, (short)LOWORD(lParam
), (short)HIWORD(lParam
));
5072 case WM_PRINTCLIENT
:
5074 EDIT_WM_Paint(es
, (HDC
)wParam
);
5082 EDIT_WM_SetFocus(es
);
5086 EDIT_WM_SetFont(es
, (HFONT
)wParam
, LOWORD(lParam
) != 0);
5090 /* FIXME: actually set an internal flag and behave accordingly */
5094 EDIT_WM_SetText(es
, (LPCWSTR
)lParam
, unicode
);
5099 EDIT_WM_Size(es
, (UINT
)wParam
);
5102 case WM_STYLECHANGED
:
5103 result
= EDIT_WM_StyleChanged(es
, wParam
, (const STYLESTRUCT
*)lParam
);
5106 case WM_STYLECHANGING
:
5107 result
= 0; /* See EDIT_WM_StyleChanged */
5111 result
= EDIT_WM_SysKeyDown(es
, (INT
)wParam
, (DWORD
)lParam
);
5119 result
= EDIT_WM_VScroll(es
, LOWORD(wParam
), (short)HIWORD(wParam
));
5125 UINT pulScrollLines
= 3;
5126 SystemParametersInfoW(SPI_GETWHEELSCROLLLINES
,0, &pulScrollLines
, 0);
5128 if (wParam
& (MK_SHIFT
| MK_CONTROL
)) {
5129 result
= DefWindowProcW(hwnd
, msg
, wParam
, lParam
);
5132 wheelDelta
= GET_WHEEL_DELTA_WPARAM(wParam
);
5133 /* if scrolling changes direction, ignore left overs */
5134 if ((wheelDelta
< 0 && es
->wheelDeltaRemainder
< 0) ||
5135 (wheelDelta
> 0 && es
->wheelDeltaRemainder
> 0))
5136 es
->wheelDeltaRemainder
+= wheelDelta
;
5138 es
->wheelDeltaRemainder
= wheelDelta
;
5139 if (es
->wheelDeltaRemainder
&& pulScrollLines
)
5142 pulScrollLines
= (int) min((UINT
) es
->line_count
, pulScrollLines
);
5143 cLineScroll
= pulScrollLines
* (float)es
->wheelDeltaRemainder
/ WHEEL_DELTA
;
5144 es
->wheelDeltaRemainder
-= WHEEL_DELTA
* cLineScroll
/ (int)pulScrollLines
;
5145 result
= EDIT_EM_LineScroll(es
, 0, -cLineScroll
);
5151 /* IME messages to make the edit control IME aware */
5152 case WM_IME_SETCONTEXT
:
5155 case WM_IME_STARTCOMPOSITION
:
5156 es
->composition_start
= es
->selection_end
;
5157 es
->composition_len
= 0;
5160 case WM_IME_COMPOSITION
:
5161 EDIT_ImeComposition(hwnd
, lParam
, es
);
5164 case WM_IME_ENDCOMPOSITION
:
5165 if (es
->composition_len
> 0)
5167 EDIT_EM_ReplaceSel(es
, TRUE
, NULL
, 0, TRUE
, TRUE
);
5168 es
->selection_end
= es
->selection_start
;
5169 es
->composition_len
= 0;
5173 case WM_IME_COMPOSITIONFULL
:
5179 case WM_IME_CONTROL
:
5182 case WM_IME_REQUEST
:
5185 case IMR_QUERYCHARPOSITION
:
5188 IMECHARPOSITION
*chpos
= (IMECHARPOSITION
*)lParam
;
5190 pos
= EDIT_EM_PosFromChar(es
, es
->selection_start
+ chpos
->dwCharPos
, FALSE
);
5191 chpos
->pt
.x
= LOWORD(pos
);
5192 chpos
->pt
.y
= HIWORD(pos
);
5193 chpos
->cLineHeight
= es
->line_height
;
5194 chpos
->rcDocument
= es
->format_rect
;
5195 MapWindowPoints(hwnd
, 0, &chpos
->pt
, 1);
5196 MapWindowPoints(hwnd
, 0, (POINT
*)&chpos
->rcDocument
, 2);
5204 result
= DefWindowProcT(hwnd
, msg
, wParam
, lParam
, unicode
);
5208 if (IsWindow(hwnd
) && es
) EDIT_UnlockBuffer(es
, FALSE
);
5210 TRACE("hwnd=%p msg=%x (%s) -- 0x%08lx\n", hwnd
, msg
, SPY_GetMsgName(msg
, hwnd
), result
);
5216 /*********************************************************************
5217 * edit class descriptor
5219 static const WCHAR editW
[] = {'E','d','i','t',0};
5220 const struct builtin_class_descr EDIT_builtin_class
=
5223 CS_DBLCLKS
| CS_PARENTDC
, /* style */
5224 WINPROC_EDIT
, /* proc */
5226 sizeof(EDITSTATE
*) + sizeof(WORD
), /* extra */
5228 sizeof(EDITSTATE
*), /* extra */
5230 IDC_IBEAM
, /* cursor */