4 * Copyright David W. Metcalfe, 1994
5 * Copyright William Magro, 1995, 1996
6 * Copyright Frans van Dorsselaer, 1996, 1997
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
25 * This code was audited for completeness against the documented features
26 * of Comctl32.dll version 6.0 on Oct. 8, 2004, by Dimitrie O. Paun.
28 * Unless otherwise noted, we believe this code to be complete, as per
29 * the specification mentioned above.
30 * If you discover missing features, or bugs, please note them below.
33 * - EDITBALLOONTIP structure
34 * - EM_GETCUEBANNER/Edit_GetCueBannerText
35 * - EM_HIDEBALLOONTIP/Edit_HideBalloonTip
36 * - EM_SETCUEBANNER/Edit_SetCueBannerText
37 * - EM_SHOWBALLOONTIP/Edit_ShowBalloonTip
38 * - EM_GETIMESTATUS, EM_SETIMESTATUS
57 #include "wine/unicode.h"
59 #include "user_private.h"
60 #include "wine/debug.h"
62 WINE_DEFAULT_DEBUG_CHANNEL(edit
);
63 WINE_DECLARE_DEBUG_CHANNEL(combo
);
64 WINE_DECLARE_DEBUG_CHANNEL(relay
);
66 #define BUFLIMIT_INITIAL 30000 /* initial buffer size */
67 #define GROWLENGTH 32 /* buffers granularity in bytes: must be power of 2 */
68 #define ROUND_TO_GROW(size) (((size) + (GROWLENGTH - 1)) & ~(GROWLENGTH - 1))
69 #define HSCROLL_FRACTION 3 /* scroll window by 1/3 width */
72 * extra flags for EDITSTATE.flags field
74 #define EF_MODIFIED 0x0001 /* text has been modified */
75 #define EF_FOCUSED 0x0002 /* we have input focus */
76 #define EF_UPDATE 0x0004 /* notify parent of changed state */
77 #define EF_VSCROLL_TRACK 0x0008 /* don't SetScrollPos() since we are tracking the thumb */
78 #define EF_HSCROLL_TRACK 0x0010 /* don't SetScrollPos() since we are tracking the thumb */
79 #define EF_AFTER_WRAP 0x0080 /* the caret is displayed after the last character of a
80 wrapped line, instead of in front of the next character */
81 #define EF_USE_SOFTBRK 0x0100 /* Enable soft breaks in text. */
82 #define EF_APP_HAS_HANDLE 0x0200 /* Set when an app sends EM_[G|S]ETHANDLE. We are in sole control of
83 the text buffer if this is clear. */
84 #define EF_DIALOGMODE 0x0400 /* Indicates that we are inside a dialog window */
88 END_0
= 0, /* line ends with terminating '\0' character */
89 END_WRAP
, /* line is wrapped */
90 END_HARD
, /* line ends with a hard return '\r\n' */
91 END_SOFT
, /* line ends with a soft return '\r\r\n' */
92 END_RICH
/* line ends with a single '\n' */
95 typedef struct tagLINEDEF
{
96 INT length
; /* bruto length of a line in bytes */
97 INT net_length
; /* netto length of a line in visible characters */
99 INT width
; /* width of the line in pixels */
100 INT index
; /* line index into the buffer */
101 SCRIPT_STRING_ANALYSIS ssa
; /* Uniscribe Data */
102 struct tagLINEDEF
*next
;
107 BOOL is_unicode
; /* how the control was created */
108 LPWSTR text
; /* the actual contents of the control */
109 UINT text_length
; /* cached length of text buffer (in WCHARs) - use get_text_length() to retrieve */
110 UINT buffer_size
; /* the size of the buffer in characters */
111 UINT buffer_limit
; /* the maximum size to which the buffer may grow in characters */
112 HFONT font
; /* NULL means standard system font */
113 INT x_offset
; /* scroll offset for multi lines this is in pixels
114 for single lines it's in characters */
115 INT line_height
; /* height of a screen line in pixels */
116 INT char_width
; /* average character width in pixels */
117 DWORD style
; /* sane version of wnd->dwStyle */
118 WORD flags
; /* flags that are not in es->style or wnd->flags (EF_XXX) */
119 INT undo_insert_count
; /* number of characters inserted in sequence */
120 UINT undo_position
; /* character index of the insertion and deletion */
121 LPWSTR undo_text
; /* deleted text */
122 UINT undo_buffer_size
; /* size of the deleted text buffer */
123 INT selection_start
; /* == selection_end if no selection */
124 INT selection_end
; /* == current caret position */
125 WCHAR password_char
; /* == 0 if no password char, and for multi line controls */
126 INT left_margin
; /* in pixels */
127 INT right_margin
; /* in pixels */
129 INT text_width
; /* width of the widest line in pixels for multi line controls
130 and just line width for single line controls */
131 INT region_posx
; /* Position of cursor relative to region: */
132 INT region_posy
; /* -1: to left, 0: within, 1: to right */
133 void *word_break_proc
; /* 32-bit word break proc: ANSI or Unicode */
134 INT line_count
; /* number of lines */
135 INT y_offset
; /* scroll offset in number of lines */
136 BOOL bCaptureState
; /* flag indicating whether mouse was captured */
137 BOOL bEnableState
; /* flag keeping the enable state */
138 HWND hwndSelf
; /* the our window handle */
139 HWND hwndParent
; /* Handle of parent for sending EN_* messages.
140 Even if parent will change, EN_* messages
141 should be sent to the first parent. */
142 HWND hwndListBox
; /* handle of ComboBox's listbox or NULL */
144 * only for multi line controls
146 INT lock_count
; /* amount of re-entries in the EditWndProc */
149 LINEDEF
*first_line_def
; /* linked list of (soft) linebreaks */
150 HLOCAL hloc32W
; /* our unicode local memory block */
151 HLOCAL hloc32A
; /* alias for ANSI control receiving EM_GETHANDLE
156 UINT composition_len
; /* length of composition, 0 == no composition */
157 int composition_start
; /* the character position for the composition */
161 SCRIPT_LOGATTR
*logAttr
;
162 SCRIPT_STRING_ANALYSIS ssa
; /* Uniscribe Data for single line controls */
166 #define SWAP_UINT32(x,y) do { UINT temp = (UINT)(x); (x) = (UINT)(y); (y) = temp; } while(0)
167 #define ORDER_UINT(x,y) do { if ((UINT)(y) < (UINT)(x)) SWAP_UINT32((x),(y)); } while(0)
169 /* used for disabled or read-only edit control */
170 #define EDIT_NOTIFY_PARENT(es, wNotifyCode) \
172 { /* Notify parent which has created this edit control */ \
173 TRACE("notification " #wNotifyCode " sent to hwnd=%p\n", es->hwndParent); \
174 SendMessageW(es->hwndParent, WM_COMMAND, \
175 MAKEWPARAM(GetWindowLongPtrW((es->hwndSelf),GWLP_ID), wNotifyCode), \
176 (LPARAM)(es->hwndSelf)); \
179 static const WCHAR empty_stringW
[] = {0};
180 static LRESULT
EDIT_EM_PosFromChar(EDITSTATE
*es
, INT index
, BOOL after_wrap
);
182 /*********************************************************************
187 static inline BOOL
EDIT_EM_CanUndo(const EDITSTATE
*es
)
189 return (es
->undo_insert_count
|| strlenW(es
->undo_text
));
193 /*********************************************************************
198 static inline void EDIT_EM_EmptyUndoBuffer(EDITSTATE
*es
)
200 es
->undo_insert_count
= 0;
201 *es
->undo_text
= '\0';
205 /**********************************************************************
208 * Returns the window version in case Wine emulates a later version
209 * of windows than the application expects.
211 * In a number of cases when windows runs an application that was
212 * designed for an earlier windows version, windows reverts
213 * to "old" behaviour of that earlier version.
215 * An example is a disabled edit control that needs to be painted.
216 * Old style behaviour is to send a WM_CTLCOLOREDIT message. This was
217 * changed in Win95, NT4.0 by a WM_CTLCOLORSTATIC message _only_ for
218 * applications with an expected version 0f 4.0 or higher.
221 static DWORD
get_app_version(void)
223 static DWORD version
;
226 DWORD dwEmulatedVersion
;
228 DWORD dwProcVersion
= GetProcessVersion(0);
230 info
.dwOSVersionInfoSize
= sizeof(OSVERSIONINFOW
);
231 GetVersionExW( &info
);
232 dwEmulatedVersion
= MAKELONG( info
.dwMinorVersion
, info
.dwMajorVersion
);
233 /* FIXME: this may not be 100% correct; see discussion on the
234 * wine developer list in Nov 1999 */
235 version
= dwProcVersion
< dwEmulatedVersion
? dwProcVersion
: dwEmulatedVersion
;
240 static HBRUSH
EDIT_NotifyCtlColor(EDITSTATE
*es
, HDC hdc
)
245 if ( get_app_version() >= 0x40000 && (!es
->bEnableState
|| (es
->style
& ES_READONLY
)))
246 msg
= WM_CTLCOLORSTATIC
;
248 msg
= WM_CTLCOLOREDIT
;
250 /* why do we notify to es->hwndParent, and we send this one to GetParent()? */
251 hbrush
= (HBRUSH
)SendMessageW(GetParent(es
->hwndSelf
), msg
, (WPARAM
)hdc
, (LPARAM
)es
->hwndSelf
);
253 hbrush
= (HBRUSH
)DefWindowProcW(GetParent(es
->hwndSelf
), msg
, (WPARAM
)hdc
, (LPARAM
)es
->hwndSelf
);
258 static inline UINT
get_text_length(EDITSTATE
*es
)
260 if(es
->text_length
== (UINT
)-1)
261 es
->text_length
= strlenW(es
->text
);
262 return es
->text_length
;
266 /*********************************************************************
270 * Find the beginning of words.
271 * Note: unlike the specs for a WordBreakProc, this function only
272 * allows to be called without linebreaks between s[0] up to
273 * s[count - 1]. Remember it is only called
274 * internally, so we can decide this for ourselves.
275 * Additional we will always be breaking the full string.
278 static INT
EDIT_WordBreakProc(EDITSTATE
*es
, LPWSTR s
, INT index
, INT count
, INT action
)
282 TRACE("s=%p, index=%d, count=%d, action=%d\n", s
, index
, count
, action
);
290 memset(&psa
,0,sizeof(SCRIPT_ANALYSIS
));
291 psa
.eScript
= SCRIPT_UNDEFINED
;
293 es
->logAttr
= HeapAlloc(GetProcessHeap(), 0, sizeof(SCRIPT_LOGATTR
) * get_text_length(es
));
294 ScriptBreak(es
->text
, get_text_length(es
), &psa
, es
->logAttr
);
301 while (index
&& !es
->logAttr
[index
].fSoftBreak
)
308 while (s
[index
] && index
< count
&& !es
->logAttr
[index
].fSoftBreak
)
313 ret
= es
->logAttr
[index
].fWhiteSpace
;
316 ERR("unknown action code, please report !\n");
323 /*********************************************************************
325 * EDIT_CallWordBreakProc
327 * Call appropriate WordBreakProc (internal or external).
329 * Note: The "start" argument should always be an index referring
330 * to es->text. The actual wordbreak proc might be
331 * 16 bit, so we can't always pass any 32 bit LPSTR.
332 * Hence we assume that es->text is the buffer that holds
333 * the string under examination (we can decide this for ourselves).
336 static INT
EDIT_CallWordBreakProc(EDITSTATE
*es
, INT start
, INT index
, INT count
, INT action
)
340 if (es
->word_break_proc
)
344 EDITWORDBREAKPROCW wbpW
= (EDITWORDBREAKPROCW
)es
->word_break_proc
;
346 TRACE_(relay
)("(UNICODE wordbrk=%p,str=%s,idx=%d,cnt=%d,act=%d)\n",
347 es
->word_break_proc
, debugstr_wn(es
->text
+ start
, count
), index
, count
, action
);
348 ret
= wbpW(es
->text
+ start
, index
, count
, action
);
352 EDITWORDBREAKPROCA wbpA
= (EDITWORDBREAKPROCA
)es
->word_break_proc
;
356 countA
= WideCharToMultiByte(CP_ACP
, 0, es
->text
+ start
, count
, NULL
, 0, NULL
, NULL
);
357 textA
= HeapAlloc(GetProcessHeap(), 0, countA
);
358 WideCharToMultiByte(CP_ACP
, 0, es
->text
+ start
, count
, textA
, countA
, NULL
, NULL
);
359 TRACE_(relay
)("(ANSI wordbrk=%p,str=%s,idx=%d,cnt=%d,act=%d)\n",
360 es
->word_break_proc
, debugstr_an(textA
, countA
), index
, countA
, action
);
361 ret
= wbpA(textA
, index
, countA
, action
);
362 HeapFree(GetProcessHeap(), 0, textA
);
366 ret
= EDIT_WordBreakProc(es
, es
->text
, index
+start
, count
+start
, action
) - start
;
371 static inline void EDIT_InvalidateUniscribeData_linedef(LINEDEF
*line_def
)
375 ScriptStringFree(&line_def
->ssa
);
376 line_def
->ssa
= NULL
;
380 static inline void EDIT_InvalidateUniscribeData(EDITSTATE
*es
)
382 LINEDEF
*line_def
= es
->first_line_def
;
385 EDIT_InvalidateUniscribeData_linedef(line_def
);
386 line_def
= line_def
->next
;
390 ScriptStringFree(&es
->ssa
);
395 static SCRIPT_STRING_ANALYSIS
EDIT_UpdateUniscribeData_linedef(EDITSTATE
*es
, HDC dc
, LINEDEF
*line_def
)
400 if (line_def
->net_length
&& !line_def
->ssa
)
402 int index
= line_def
->index
;
403 HFONT old_font
= NULL
;
405 SCRIPT_TABDEF tabdef
;
409 udc
= GetDC(es
->hwndSelf
);
411 old_font
= SelectObject(udc
, es
->font
);
413 tabdef
.cTabStops
= es
->tabs_count
;
415 tabdef
.pTabStops
= es
->tabs
;
416 tabdef
.iTabOrigin
= 0;
418 hr
= ScriptStringAnalyse(udc
, &es
->text
[index
], line_def
->net_length
,
419 (1.5*line_def
->net_length
+16), -1,
420 SSA_LINK
|SSA_FALLBACK
|SSA_GLYPHS
|SSA_TAB
, -1,
421 NULL
, NULL
, NULL
, &tabdef
, NULL
, &line_def
->ssa
);
424 WARN("ScriptStringAnalyse failed (%x)\n",hr
);
425 line_def
->ssa
= NULL
;
429 SelectObject(udc
, old_font
);
431 ReleaseDC(es
->hwndSelf
, udc
);
434 return line_def
->ssa
;
437 static SCRIPT_STRING_ANALYSIS
EDIT_UpdateUniscribeData(EDITSTATE
*es
, HDC dc
, INT line
)
441 if (!(es
->style
& ES_MULTILINE
))
445 INT length
= get_text_length(es
);
446 HFONT old_font
= NULL
;
450 udc
= GetDC(es
->hwndSelf
);
452 old_font
= SelectObject(udc
, es
->font
);
454 if (es
->style
& ES_PASSWORD
)
455 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
);
457 ScriptStringAnalyse(udc
, es
->text
, length
, (1.5*length
+16), -1, SSA_LINK
|SSA_FALLBACK
|SSA_GLYPHS
, -1, NULL
, NULL
, NULL
, NULL
, NULL
, &es
->ssa
);
460 SelectObject(udc
, old_font
);
462 ReleaseDC(es
->hwndSelf
, udc
);
468 line_def
= es
->first_line_def
;
469 while (line_def
&& line
)
471 line_def
= line_def
->next
;
475 return EDIT_UpdateUniscribeData_linedef(es
,dc
,line_def
);
479 /*********************************************************************
481 * EDIT_BuildLineDefs_ML
483 * Build linked list of text lines.
484 * Lines can end with '\0' (last line), a character (if it is wrapped),
485 * a soft return '\r\r\n' or a hard return '\r\n'
488 static void EDIT_BuildLineDefs_ML(EDITSTATE
*es
, INT istart
, INT iend
, INT delta
, HRGN hrgn
)
490 LPWSTR current_position
, cp
;
492 LINEDEF
*current_line
;
493 LINEDEF
*previous_line
;
495 INT line_index
= 0, nstart_line
= 0, nstart_index
= 0;
496 INT line_count
= es
->line_count
;
500 if (istart
== iend
&& delta
== 0)
503 previous_line
= NULL
;
504 current_line
= es
->first_line_def
;
506 /* Find starting line. istart must lie inside an existing line or
507 * at the end of buffer */
509 if (istart
< current_line
->index
+ current_line
->length
||
510 current_line
->ending
== END_0
)
513 previous_line
= current_line
;
514 current_line
= current_line
->next
;
516 } while (current_line
);
518 if (!current_line
) /* Error occurred start is not inside previous buffer */
520 FIXME(" modification occurred outside buffer\n");
524 /* Remember start of modifications in order to calculate update region */
525 nstart_line
= line_index
;
526 nstart_index
= current_line
->index
;
528 /* We must start to reformat from the previous line since the modifications
529 * may have caused the line to wrap upwards. */
530 if (!(es
->style
& ES_AUTOHSCROLL
) && line_index
> 0)
533 current_line
= previous_line
;
535 start_line
= current_line
;
537 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
538 current_position
= es
->text
+ current_line
->index
;
540 if (current_line
!= start_line
)
542 if (!current_line
|| current_line
->index
+ delta
> current_position
- es
->text
)
544 /* The buffer has been expanded, create a new line and
545 insert it into the link list */
546 LINEDEF
*new_line
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(LINEDEF
));
547 new_line
->next
= previous_line
->next
;
548 previous_line
->next
= new_line
;
549 current_line
= new_line
;
552 else if (current_line
->index
+ delta
< current_position
- es
->text
)
554 /* The previous line merged with this line so we delete this extra entry */
555 previous_line
->next
= current_line
->next
;
556 HeapFree(GetProcessHeap(), 0, current_line
);
557 current_line
= previous_line
->next
;
561 else /* current_line->index + delta == current_position */
563 if (current_position
- es
->text
> iend
)
564 break; /* We reached end of line modifications */
565 /* else recalculate this line */
569 current_line
->index
= current_position
- es
->text
;
570 orig_net_length
= current_line
->net_length
;
572 /* Find end of line */
573 cp
= current_position
;
575 if (*cp
== '\n') break;
576 if ((*cp
== '\r') && (*(cp
+ 1) == '\n'))
581 /* Mark type of line termination */
583 current_line
->ending
= END_0
;
584 current_line
->net_length
= strlenW(current_position
);
585 } else if ((cp
> current_position
) && (*(cp
- 1) == '\r')) {
586 current_line
->ending
= END_SOFT
;
587 current_line
->net_length
= cp
- current_position
- 1;
588 } else if (*cp
== '\n') {
589 current_line
->ending
= END_RICH
;
590 current_line
->net_length
= cp
- current_position
;
592 current_line
->ending
= END_HARD
;
593 current_line
->net_length
= cp
- current_position
;
596 if (current_line
->net_length
)
599 EDIT_InvalidateUniscribeData_linedef(current_line
);
600 EDIT_UpdateUniscribeData_linedef(es
, NULL
, current_line
);
601 if (current_line
->ssa
)
603 sz
= ScriptString_pSize(current_line
->ssa
);
604 /* Calculate line width */
605 current_line
->width
= sz
->cx
;
607 else current_line
->width
= es
->char_width
* current_line
->net_length
;
609 else current_line
->width
= 0;
611 /* FIXME: check here for lines that are too wide even in AUTOHSCROLL (> 32767 ???) */
613 /* Line breaks just look back from the end and find the next break and try that. */
615 if (!(es
->style
& ES_AUTOHSCROLL
)) {
616 if (current_line
->width
> fw
&& fw
> es
->char_width
) {
623 prev
= current_line
->net_length
- 1;
624 w
= current_line
->net_length
;
625 d
= (float)current_line
->width
/(float)fw
;
626 if (d
> 1.2) d
-= 0.2;
628 if (next
>= prev
) next
= prev
-1;
630 prev
= EDIT_CallWordBreakProc(es
, current_position
- es
->text
,
631 next
, current_line
->net_length
, WB_LEFT
);
632 current_line
->net_length
= prev
;
633 EDIT_InvalidateUniscribeData_linedef(current_line
);
634 EDIT_UpdateUniscribeData_linedef(es
, NULL
, current_line
);
635 sz
= ScriptString_pSize(current_line
->ssa
);
637 current_line
->width
= sz
->cx
;
641 } while (prev
&& current_line
->width
> fw
);
642 current_line
->net_length
= w
;
644 if (prev
== 0) { /* Didn't find a line break so force a break */
648 EDIT_InvalidateUniscribeData_linedef(current_line
);
649 EDIT_UpdateUniscribeData_linedef(es
, NULL
, current_line
);
651 if (current_line
->ssa
)
653 count
= ScriptString_pcOutChars(current_line
->ssa
);
654 piDx
= HeapAlloc(GetProcessHeap(),0,sizeof(INT
) * (*count
));
655 ScriptStringGetLogicalWidths(current_line
->ssa
,piDx
);
657 prev
= current_line
->net_length
-1;
659 current_line
->width
-= piDx
[prev
];
661 } while ( prev
> 0 && current_line
->width
> fw
);
664 HeapFree(GetProcessHeap(),0,piDx
);
667 prev
= (fw
/ es
->char_width
);
670 /* If the first line we are calculating, wrapped before istart, we must
671 * adjust istart in order for this to be reflected in the update region. */
672 if (current_line
->index
== nstart_index
&& istart
> current_line
->index
+ prev
)
673 istart
= current_line
->index
+ prev
;
674 /* else if we are updating the previous line before the first line we
675 * are re-calculating and it expanded */
676 else if (current_line
== start_line
&&
677 current_line
->index
!= nstart_index
&& orig_net_length
< prev
)
679 /* Line expanded due to an upwards line wrap so we must partially include
680 * previous line in update region */
681 nstart_line
= line_index
;
682 nstart_index
= current_line
->index
;
683 istart
= current_line
->index
+ orig_net_length
;
686 current_line
->net_length
= prev
;
687 current_line
->ending
= END_WRAP
;
689 if (current_line
->net_length
> 0)
691 EDIT_UpdateUniscribeData_linedef(es
, NULL
, current_line
);
692 sz
= ScriptString_pSize(current_line
->ssa
);
693 current_line
->width
= sz
->cx
;
695 else current_line
->width
= 0;
697 else if (current_line
== start_line
&&
698 current_line
->index
!= nstart_index
&&
699 orig_net_length
< current_line
->net_length
) {
700 /* The previous line expanded but it's still not as wide as the client rect */
701 /* The expansion is due to an upwards line wrap so we must partially include
702 it in the update region */
703 nstart_line
= line_index
;
704 nstart_index
= current_line
->index
;
705 istart
= current_line
->index
+ orig_net_length
;
710 /* Adjust length to include line termination */
711 switch (current_line
->ending
) {
713 current_line
->length
= current_line
->net_length
+ 3;
716 current_line
->length
= current_line
->net_length
+ 1;
719 current_line
->length
= current_line
->net_length
+ 2;
723 current_line
->length
= current_line
->net_length
;
726 es
->text_width
= max(es
->text_width
, current_line
->width
);
727 current_position
+= current_line
->length
;
728 previous_line
= current_line
;
729 current_line
= current_line
->next
;
731 } while (previous_line
->ending
!= END_0
);
733 /* Finish adjusting line indexes by delta or remove hanging lines */
734 if (previous_line
->ending
== END_0
)
736 LINEDEF
*pnext
= NULL
;
738 previous_line
->next
= NULL
;
741 pnext
= current_line
->next
;
742 EDIT_InvalidateUniscribeData_linedef(current_line
);
743 HeapFree(GetProcessHeap(), 0, current_line
);
744 current_line
= pnext
;
752 current_line
->index
+= delta
;
753 current_line
= current_line
->next
;
757 /* Calculate rest of modification rectangle */
762 * We calculate two rectangles. One for the first line which may have
763 * an indent with respect to the format rect. The other is a format-width
764 * rectangle that spans the rest of the lines that changed or moved.
766 rc
.top
= es
->format_rect
.top
+ nstart_line
* es
->line_height
-
767 (es
->y_offset
* es
->line_height
); /* Adjust for vertical scrollbar */
768 rc
.bottom
= rc
.top
+ es
->line_height
;
769 if ((es
->style
& ES_CENTER
) || (es
->style
& ES_RIGHT
))
770 rc
.left
= es
->format_rect
.left
;
772 rc
.left
= LOWORD(EDIT_EM_PosFromChar(es
, nstart_index
, FALSE
));
773 rc
.right
= es
->format_rect
.right
;
774 SetRectRgn(hrgn
, rc
.left
, rc
.top
, rc
.right
, rc
.bottom
);
777 rc
.left
= es
->format_rect
.left
;
778 rc
.right
= es
->format_rect
.right
;
780 * If lines were added or removed we must re-paint the remainder of the
781 * lines since the remaining lines were either shifted up or down.
783 if (line_count
< es
->line_count
) /* We added lines */
784 rc
.bottom
= es
->line_count
* es
->line_height
;
785 else if (line_count
> es
->line_count
) /* We removed lines */
786 rc
.bottom
= line_count
* es
->line_height
;
788 rc
.bottom
= line_index
* es
->line_height
;
789 rc
.bottom
+= es
->format_rect
.top
;
790 rc
.bottom
-= (es
->y_offset
* es
->line_height
); /* Adjust for vertical scrollbar */
791 tmphrgn
= CreateRectRgn(rc
.left
, rc
.top
, rc
.right
, rc
.bottom
);
792 CombineRgn(hrgn
, hrgn
, tmphrgn
, RGN_OR
);
793 DeleteObject(tmphrgn
);
797 /*********************************************************************
799 * EDIT_CalcLineWidth_SL
802 static void EDIT_CalcLineWidth_SL(EDITSTATE
*es
)
804 EDIT_UpdateUniscribeData(es
, NULL
, 0);
808 size
= ScriptString_pSize(es
->ssa
);
809 es
->text_width
= size
->cx
;
815 /*********************************************************************
819 * Beware: This is not the function called on EM_CHARFROMPOS
820 * The position _can_ be outside the formatting / client
822 * The return value is only the character index
825 static INT
EDIT_CharFromPos(EDITSTATE
*es
, INT x
, INT y
, LPBOOL after_wrap
)
829 if (es
->style
& ES_MULTILINE
) {
831 INT line
= (y
- es
->format_rect
.top
) / es
->line_height
+ es
->y_offset
;
833 LINEDEF
*line_def
= es
->first_line_def
;
834 EDIT_UpdateUniscribeData(es
, NULL
, line
);
835 while ((line
> 0) && line_def
->next
) {
836 line_index
+= line_def
->length
;
837 line_def
= line_def
->next
;
841 x
+= es
->x_offset
- es
->format_rect
.left
;
842 if (es
->style
& ES_RIGHT
)
843 x
-= (es
->format_rect
.right
- es
->format_rect
.left
) - line_def
->width
;
844 else if (es
->style
& ES_CENTER
)
845 x
-= ((es
->format_rect
.right
- es
->format_rect
.left
) - line_def
->width
) / 2;
846 if (x
>= line_def
->width
) {
848 *after_wrap
= (line_def
->ending
== END_WRAP
);
849 return line_index
+ line_def
->net_length
;
851 if (x
<= 0 || !line_def
->ssa
) {
857 ScriptStringXtoCP(line_def
->ssa
, x
, &index
, &trailing
);
858 if (trailing
) index
++;
861 *after_wrap
= ((index
== line_index
+ line_def
->net_length
) &&
862 (line_def
->ending
== END_WRAP
));
868 x
-= es
->format_rect
.left
;
874 INT indent
= (es
->format_rect
.right
- es
->format_rect
.left
) - es
->text_width
;
875 if (es
->style
& ES_RIGHT
)
877 else if (es
->style
& ES_CENTER
)
881 EDIT_UpdateUniscribeData(es
, NULL
, 0);
886 if (es
->x_offset
>= get_text_length(es
))
889 size
= ScriptString_pSize(es
->ssa
);
892 ScriptStringCPtoX(es
->ssa
, es
->x_offset
, FALSE
, &xoff
);
899 if (x
+ xoff
> 0 || !es
->ssa
)
901 ScriptStringXtoCP(es
->ssa
, x
+xoff
, &index
, &trailing
);
902 if (trailing
) index
++;
911 const SIZE
*size
= NULL
;
913 size
= ScriptString_pSize(es
->ssa
);
916 else if (x
> size
->cx
)
917 index
= get_text_length(es
);
920 ScriptStringXtoCP(es
->ssa
, x
+xoff
, &index
, &trailing
);
921 if (trailing
) index
++;
927 index
= es
->x_offset
;
934 /*********************************************************************
938 * adjusts the point to be within the formatting rectangle
939 * (so CharFromPos returns the nearest _visible_ character)
942 static void EDIT_ConfinePoint(const EDITSTATE
*es
, LPINT x
, LPINT y
)
944 *x
= min(max(*x
, es
->format_rect
.left
), es
->format_rect
.right
- 1);
945 *y
= min(max(*y
, es
->format_rect
.top
), es
->format_rect
.bottom
- 1);
949 /*********************************************************************
954 static INT
EDIT_EM_LineFromChar(EDITSTATE
*es
, INT index
)
959 if (!(es
->style
& ES_MULTILINE
))
961 if (index
> (INT
)get_text_length(es
))
962 return es
->line_count
- 1;
964 index
= min(es
->selection_start
, es
->selection_end
);
967 line_def
= es
->first_line_def
;
968 index
-= line_def
->length
;
969 while ((index
>= 0) && line_def
->next
) {
971 line_def
= line_def
->next
;
972 index
-= line_def
->length
;
978 /*********************************************************************
983 static INT
EDIT_EM_LineIndex(const EDITSTATE
*es
, INT line
)
986 const LINEDEF
*line_def
;
988 if (!(es
->style
& ES_MULTILINE
))
990 if (line
>= es
->line_count
)
994 line_def
= es
->first_line_def
;
996 INT index
= es
->selection_end
- line_def
->length
;
997 while ((index
>= 0) && line_def
->next
) {
998 line_index
+= line_def
->length
;
999 line_def
= line_def
->next
;
1000 index
-= line_def
->length
;
1004 line_index
+= line_def
->length
;
1005 line_def
= line_def
->next
;
1013 /*********************************************************************
1018 static INT
EDIT_EM_LineLength(EDITSTATE
*es
, INT index
)
1022 if (!(es
->style
& ES_MULTILINE
))
1023 return get_text_length(es
);
1026 /* get the number of remaining non-selected chars of selected lines */
1027 INT32 l
; /* line number */
1028 INT32 li
; /* index of first char in line */
1030 l
= EDIT_EM_LineFromChar(es
, es
->selection_start
);
1031 /* # chars before start of selection area */
1032 count
= es
->selection_start
- EDIT_EM_LineIndex(es
, l
);
1033 l
= EDIT_EM_LineFromChar(es
, es
->selection_end
);
1034 /* # chars after end of selection */
1035 li
= EDIT_EM_LineIndex(es
, l
);
1036 count
+= li
+ EDIT_EM_LineLength(es
, li
) - es
->selection_end
;
1039 line_def
= es
->first_line_def
;
1040 index
-= line_def
->length
;
1041 while ((index
>= 0) && line_def
->next
) {
1042 line_def
= line_def
->next
;
1043 index
-= line_def
->length
;
1045 return line_def
->net_length
;
1049 /*********************************************************************
1054 static LRESULT
EDIT_EM_PosFromChar(EDITSTATE
*es
, INT index
, BOOL after_wrap
)
1056 INT len
= get_text_length(es
);
1065 index
= min(index
, len
);
1066 if (es
->style
& ES_MULTILINE
) {
1067 l
= EDIT_EM_LineFromChar(es
, index
);
1068 EDIT_UpdateUniscribeData(es
, NULL
, l
);
1070 y
= (l
- es
->y_offset
) * es
->line_height
;
1071 li
= EDIT_EM_LineIndex(es
, l
);
1072 if (after_wrap
&& (li
== index
) && l
) {
1074 line_def
= es
->first_line_def
;
1076 line_def
= line_def
->next
;
1079 if (line_def
->ending
== END_WRAP
) {
1081 y
-= es
->line_height
;
1082 li
= EDIT_EM_LineIndex(es
, l
);
1086 line_def
= es
->first_line_def
;
1087 while (line_def
->index
!= li
)
1088 line_def
= line_def
->next
;
1090 lw
= line_def
->width
;
1091 w
= es
->format_rect
.right
- es
->format_rect
.left
;
1094 ScriptStringCPtoX(line_def
->ssa
, (index
- 1) - li
, TRUE
, &x
);
1100 if (es
->style
& ES_RIGHT
)
1102 else if (es
->style
& ES_CENTER
)
1107 EDIT_UpdateUniscribeData(es
, NULL
, 0);
1112 if (es
->x_offset
>= get_text_length(es
))
1114 int leftover
= es
->x_offset
- get_text_length(es
);
1118 size
= ScriptString_pSize(es
->ssa
);
1123 xoff
+= es
->char_width
* leftover
;
1126 ScriptStringCPtoX(es
->ssa
, es
->x_offset
, FALSE
, &xoff
);
1133 if (index
>= get_text_length(es
))
1138 size
= ScriptString_pSize(es
->ssa
);
1145 ScriptStringCPtoX(es
->ssa
, index
, FALSE
, &xi
);
1151 if (index
>= es
->x_offset
) {
1152 if (!es
->x_offset
&& (es
->style
& (ES_RIGHT
| ES_CENTER
)))
1154 w
= es
->format_rect
.right
- es
->format_rect
.left
;
1155 if (w
> es
->text_width
)
1157 if (es
->style
& ES_RIGHT
)
1158 x
+= w
- es
->text_width
;
1159 else if (es
->style
& ES_CENTER
)
1160 x
+= (w
- es
->text_width
) / 2;
1166 x
+= es
->format_rect
.left
;
1167 y
+= es
->format_rect
.top
;
1168 return MAKELONG((INT16
)x
, (INT16
)y
);
1172 /*********************************************************************
1176 * Calculates the bounding rectangle for a line from a starting
1177 * column to an ending column.
1180 static void EDIT_GetLineRect(EDITSTATE
*es
, INT line
, INT scol
, INT ecol
, LPRECT rc
)
1182 SCRIPT_STRING_ANALYSIS ssa
;
1186 if (es
->style
& ES_MULTILINE
)
1188 const LINEDEF
*line_def
= NULL
;
1189 rc
->top
= es
->format_rect
.top
+ (line
- es
->y_offset
) * es
->line_height
;
1190 if (line
>= es
->line_count
)
1193 line_def
= es
->first_line_def
;
1195 INT index
= es
->selection_end
- line_def
->length
;
1196 while ((index
>= 0) && line_def
->next
) {
1197 line_index
+= line_def
->length
;
1198 line_def
= line_def
->next
;
1199 index
-= line_def
->length
;
1203 line_index
+= line_def
->length
;
1204 line_def
= line_def
->next
;
1208 ssa
= line_def
->ssa
;
1213 rc
->top
= es
->format_rect
.top
;
1217 rc
->bottom
= rc
->top
+ es
->line_height
;
1218 pt1
= (scol
== 0) ? es
->format_rect
.left
: (short)LOWORD(EDIT_EM_PosFromChar(es
, line_index
+ scol
, TRUE
));
1219 pt2
= (ecol
== -1) ? es
->format_rect
.right
: (short)LOWORD(EDIT_EM_PosFromChar(es
, line_index
+ ecol
, TRUE
));
1222 ScriptStringCPtoX(ssa
, scol
, FALSE
, &pt3
);
1223 pt3
+=es
->format_rect
.left
;
1226 rc
->right
= max(max(pt1
, pt2
),pt3
);
1227 rc
->left
= min(min(pt1
, pt2
),pt3
);
1231 static inline void text_buffer_changed(EDITSTATE
*es
)
1233 es
->text_length
= (UINT
)-1;
1235 HeapFree( GetProcessHeap(), 0, es
->logAttr
);
1237 EDIT_InvalidateUniscribeData(es
);
1240 /*********************************************************************
1244 static void EDIT_LockBuffer(EDITSTATE
*es
)
1248 if(!es
->hloc32W
) return;
1252 CHAR
*textA
= LocalLock(es
->hloc32A
);
1254 UINT countW_new
= MultiByteToWideChar(CP_ACP
, 0, textA
, -1, NULL
, 0);
1255 if(countW_new
> es
->buffer_size
+ 1)
1257 UINT alloc_size
= ROUND_TO_GROW(countW_new
* sizeof(WCHAR
));
1258 TRACE("Resizing 32-bit UNICODE buffer from %d+1 to %d WCHARs\n", es
->buffer_size
, countW_new
);
1259 hloc32W_new
= LocalReAlloc(es
->hloc32W
, alloc_size
, LMEM_MOVEABLE
| LMEM_ZEROINIT
);
1262 es
->hloc32W
= hloc32W_new
;
1263 es
->buffer_size
= LocalSize(hloc32W_new
)/sizeof(WCHAR
) - 1;
1264 TRACE("Real new size %d+1 WCHARs\n", es
->buffer_size
);
1267 WARN("FAILED! Will synchronize partially\n");
1269 es
->text
= LocalLock(es
->hloc32W
);
1270 MultiByteToWideChar(CP_ACP
, 0, textA
, -1, es
->text
, es
->buffer_size
+ 1);
1271 LocalUnlock(es
->hloc32A
);
1273 else es
->text
= LocalLock(es
->hloc32W
);
1275 if(es
->flags
& EF_APP_HAS_HANDLE
) text_buffer_changed(es
);
1280 /*********************************************************************
1285 static void EDIT_UnlockBuffer(EDITSTATE
*es
, BOOL force
)
1288 /* Edit window might be already destroyed */
1289 if(!IsWindow(es
->hwndSelf
))
1291 WARN("edit hwnd %p already destroyed\n", es
->hwndSelf
);
1295 if (!es
->lock_count
) {
1296 ERR("lock_count == 0 ... please report\n");
1300 ERR("es->text == 0 ... please report\n");
1304 if (force
|| (es
->lock_count
== 1)) {
1307 UINT countW
= get_text_length(es
) + 1;
1311 UINT countA_new
= WideCharToMultiByte(CP_ACP
, 0, es
->text
, countW
, NULL
, 0, NULL
, NULL
);
1312 TRACE("Synchronizing with 32-bit ANSI buffer\n");
1313 TRACE("%d WCHARs translated to %d bytes\n", countW
, countA_new
);
1314 countA
= LocalSize(es
->hloc32A
);
1315 if(countA_new
> countA
)
1318 UINT alloc_size
= ROUND_TO_GROW(countA_new
);
1319 TRACE("Resizing 32-bit ANSI buffer from %d to %d bytes\n", countA
, alloc_size
);
1320 hloc32A_new
= LocalReAlloc(es
->hloc32A
, alloc_size
, LMEM_MOVEABLE
| LMEM_ZEROINIT
);
1323 es
->hloc32A
= hloc32A_new
;
1324 countA
= LocalSize(hloc32A_new
);
1325 TRACE("Real new size %d bytes\n", countA
);
1328 WARN("FAILED! Will synchronize partially\n");
1330 WideCharToMultiByte(CP_ACP
, 0, es
->text
, countW
,
1331 LocalLock(es
->hloc32A
), countA
, NULL
, NULL
);
1332 LocalUnlock(es
->hloc32A
);
1335 LocalUnlock(es
->hloc32W
);
1339 ERR("no buffer ... please report\n");
1347 /*********************************************************************
1351 * Try to fit size + 1 characters in the buffer.
1353 static BOOL
EDIT_MakeFit(EDITSTATE
*es
, UINT size
)
1357 if (size
<= es
->buffer_size
)
1360 TRACE("trying to ReAlloc to %d+1 characters\n", size
);
1362 /* Force edit to unlock it's buffer. es->text now NULL */
1363 EDIT_UnlockBuffer(es
, TRUE
);
1366 UINT alloc_size
= ROUND_TO_GROW((size
+ 1) * sizeof(WCHAR
));
1367 if ((hNew32W
= LocalReAlloc(es
->hloc32W
, alloc_size
, LMEM_MOVEABLE
| LMEM_ZEROINIT
))) {
1368 TRACE("Old 32 bit handle %p, new handle %p\n", es
->hloc32W
, hNew32W
);
1369 es
->hloc32W
= hNew32W
;
1370 es
->buffer_size
= LocalSize(hNew32W
)/sizeof(WCHAR
) - 1;
1374 EDIT_LockBuffer(es
);
1376 if (es
->buffer_size
< size
) {
1377 WARN("FAILED ! We now have %d+1\n", es
->buffer_size
);
1378 EDIT_NOTIFY_PARENT(es
, EN_ERRSPACE
);
1381 TRACE("We now have %d+1\n", es
->buffer_size
);
1387 /*********************************************************************
1391 * Try to fit size + 1 bytes in the undo buffer.
1394 static BOOL
EDIT_MakeUndoFit(EDITSTATE
*es
, UINT size
)
1398 if (size
<= es
->undo_buffer_size
)
1401 TRACE("trying to ReAlloc to %d+1\n", size
);
1403 alloc_size
= ROUND_TO_GROW((size
+ 1) * sizeof(WCHAR
));
1404 if ((es
->undo_text
= HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, es
->undo_text
, alloc_size
))) {
1405 es
->undo_buffer_size
= alloc_size
/sizeof(WCHAR
) - 1;
1410 WARN("FAILED ! We now have %d+1\n", es
->undo_buffer_size
);
1416 /*********************************************************************
1418 * EDIT_UpdateTextRegion
1421 static void EDIT_UpdateTextRegion(EDITSTATE
*es
, HRGN hrgn
, BOOL bErase
)
1423 if (es
->flags
& EF_UPDATE
) {
1424 es
->flags
&= ~EF_UPDATE
;
1425 EDIT_NOTIFY_PARENT(es
, EN_UPDATE
);
1427 InvalidateRgn(es
->hwndSelf
, hrgn
, bErase
);
1431 /*********************************************************************
1436 static void EDIT_UpdateText(EDITSTATE
*es
, const RECT
*rc
, BOOL bErase
)
1438 if (es
->flags
& EF_UPDATE
) {
1439 es
->flags
&= ~EF_UPDATE
;
1440 EDIT_NOTIFY_PARENT(es
, EN_UPDATE
);
1442 InvalidateRect(es
->hwndSelf
, rc
, bErase
);
1445 /*********************************************************************
1447 * EDIT_SL_InvalidateText
1449 * Called from EDIT_InvalidateText().
1450 * Does the job for single-line controls only.
1453 static void EDIT_SL_InvalidateText(EDITSTATE
*es
, INT start
, INT end
)
1458 EDIT_GetLineRect(es
, 0, start
, end
, &line_rect
);
1459 if (IntersectRect(&rc
, &line_rect
, &es
->format_rect
))
1460 EDIT_UpdateText(es
, &rc
, TRUE
);
1464 static inline INT
get_vertical_line_count(EDITSTATE
*es
)
1466 INT vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
1470 /*********************************************************************
1472 * EDIT_ML_InvalidateText
1474 * Called from EDIT_InvalidateText().
1475 * Does the job for multi-line controls only.
1478 static void EDIT_ML_InvalidateText(EDITSTATE
*es
, INT start
, INT end
)
1480 INT vlc
= get_vertical_line_count(es
);
1481 INT sl
= EDIT_EM_LineFromChar(es
, start
);
1482 INT el
= EDIT_EM_LineFromChar(es
, end
);
1491 if ((el
< es
->y_offset
) || (sl
> es
->y_offset
+ vlc
))
1494 sc
= start
- EDIT_EM_LineIndex(es
, sl
);
1495 ec
= end
- EDIT_EM_LineIndex(es
, el
);
1496 if (sl
< es
->y_offset
) {
1500 if (el
> es
->y_offset
+ vlc
) {
1501 el
= es
->y_offset
+ vlc
;
1502 ec
= EDIT_EM_LineLength(es
, EDIT_EM_LineIndex(es
, el
));
1504 GetClientRect(es
->hwndSelf
, &rc1
);
1505 IntersectRect(&rcWnd
, &rc1
, &es
->format_rect
);
1507 EDIT_GetLineRect(es
, sl
, sc
, ec
, &rcLine
);
1508 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1509 EDIT_UpdateText(es
, &rcUpdate
, TRUE
);
1511 EDIT_GetLineRect(es
, sl
, sc
,
1512 EDIT_EM_LineLength(es
,
1513 EDIT_EM_LineIndex(es
, sl
)),
1515 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1516 EDIT_UpdateText(es
, &rcUpdate
, TRUE
);
1517 for (l
= sl
+ 1 ; l
< el
; l
++) {
1518 EDIT_GetLineRect(es
, l
, 0,
1519 EDIT_EM_LineLength(es
,
1520 EDIT_EM_LineIndex(es
, l
)),
1522 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1523 EDIT_UpdateText(es
, &rcUpdate
, TRUE
);
1525 EDIT_GetLineRect(es
, el
, 0, ec
, &rcLine
);
1526 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1527 EDIT_UpdateText(es
, &rcUpdate
, TRUE
);
1532 /*********************************************************************
1534 * EDIT_InvalidateText
1536 * Invalidate the text from offset start up to, but not including,
1537 * offset end. Useful for (re)painting the selection.
1538 * Regions outside the linewidth are not invalidated.
1539 * end == -1 means end == TextLength.
1540 * start and end need not be ordered.
1543 static void EDIT_InvalidateText(EDITSTATE
*es
, INT start
, INT end
)
1549 end
= get_text_length(es
);
1557 if (es
->style
& ES_MULTILINE
)
1558 EDIT_ML_InvalidateText(es
, start
, end
);
1560 EDIT_SL_InvalidateText(es
, start
, end
);
1564 /*********************************************************************
1568 * note: unlike the specs say: the order of start and end
1569 * _is_ preserved in Windows. (i.e. start can be > end)
1570 * In other words: this handler is OK
1573 static void EDIT_EM_SetSel(EDITSTATE
*es
, UINT start
, UINT end
, BOOL after_wrap
)
1575 UINT old_start
= es
->selection_start
;
1576 UINT old_end
= es
->selection_end
;
1577 UINT len
= get_text_length(es
);
1579 if (start
== (UINT
)-1) {
1580 start
= es
->selection_end
;
1581 end
= es
->selection_end
;
1583 start
= min(start
, len
);
1584 end
= min(end
, len
);
1586 es
->selection_start
= start
;
1587 es
->selection_end
= end
;
1589 es
->flags
|= EF_AFTER_WRAP
;
1591 es
->flags
&= ~EF_AFTER_WRAP
;
1592 /* Compute the necessary invalidation region. */
1593 /* Note that we don't need to invalidate regions which have
1594 * "never" been selected, or those which are "still" selected.
1595 * In fact, every time we hit a selection boundary, we can
1596 * *toggle* whether we need to invalidate. Thus we can optimize by
1597 * *sorting* the interval endpoints. Let's assume that we sort them
1599 * start <= end <= old_start <= old_end
1600 * Knuth 5.3.1 (p 183) assures us that this can be done optimally
1601 * in 5 comparisons; i.e. it is impossible to do better than the
1603 ORDER_UINT(end
, old_end
);
1604 ORDER_UINT(start
, old_start
);
1605 ORDER_UINT(old_start
, old_end
);
1606 ORDER_UINT(start
, end
);
1607 /* Note that at this point 'end' and 'old_start' are not in order, but
1608 * start is definitely the min. and old_end is definitely the max. */
1609 if (end
!= old_start
)
1613 * ORDER_UINT32(end, old_start);
1614 * EDIT_InvalidateText(es, start, end);
1615 * EDIT_InvalidateText(es, old_start, old_end);
1616 * in place of the following if statement.
1617 * (That would complete the optimal five-comparison four-element sort.)
1619 if (old_start
> end
)
1621 EDIT_InvalidateText(es
, start
, end
);
1622 EDIT_InvalidateText(es
, old_start
, old_end
);
1626 EDIT_InvalidateText(es
, start
, old_start
);
1627 EDIT_InvalidateText(es
, end
, old_end
);
1630 else EDIT_InvalidateText(es
, start
, old_end
);
1634 /*********************************************************************
1636 * EDIT_UpdateScrollInfo
1639 static void EDIT_UpdateScrollInfo(EDITSTATE
*es
)
1641 if ((es
->style
& WS_VSCROLL
) && !(es
->flags
& EF_VSCROLL_TRACK
))
1644 si
.cbSize
= sizeof(SCROLLINFO
);
1645 si
.fMask
= SIF_PAGE
| SIF_POS
| SIF_RANGE
| SIF_DISABLENOSCROLL
;
1647 si
.nMax
= es
->line_count
- 1;
1648 si
.nPage
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
1649 si
.nPos
= es
->y_offset
;
1650 TRACE("SB_VERT, nMin=%d, nMax=%d, nPage=%d, nPos=%d\n",
1651 si
.nMin
, si
.nMax
, si
.nPage
, si
.nPos
);
1652 SetScrollInfo(es
->hwndSelf
, SB_VERT
, &si
, TRUE
);
1655 if ((es
->style
& WS_HSCROLL
) && !(es
->flags
& EF_HSCROLL_TRACK
))
1658 si
.cbSize
= sizeof(SCROLLINFO
);
1659 si
.fMask
= SIF_PAGE
| SIF_POS
| SIF_RANGE
| SIF_DISABLENOSCROLL
;
1661 si
.nMax
= es
->text_width
- 1;
1662 si
.nPage
= es
->format_rect
.right
- es
->format_rect
.left
;
1663 si
.nPos
= es
->x_offset
;
1664 TRACE("SB_HORZ, nMin=%d, nMax=%d, nPage=%d, nPos=%d\n",
1665 si
.nMin
, si
.nMax
, si
.nPage
, si
.nPos
);
1666 SetScrollInfo(es
->hwndSelf
, SB_HORZ
, &si
, TRUE
);
1671 /*********************************************************************
1673 * EDIT_EM_LineScroll_internal
1675 * Version of EDIT_EM_LineScroll for internal use.
1676 * It doesn't refuse if ES_MULTILINE is set and assumes that
1677 * dx is in pixels, dy - in lines.
1680 static BOOL
EDIT_EM_LineScroll_internal(EDITSTATE
*es
, INT dx
, INT dy
)
1683 INT x_offset_in_pixels
;
1684 INT lines_per_page
= (es
->format_rect
.bottom
- es
->format_rect
.top
) /
1687 if (es
->style
& ES_MULTILINE
)
1689 x_offset_in_pixels
= es
->x_offset
;
1694 x_offset_in_pixels
= (short)LOWORD(EDIT_EM_PosFromChar(es
, es
->x_offset
, FALSE
));
1697 if (-dx
> x_offset_in_pixels
)
1698 dx
= -x_offset_in_pixels
;
1699 if (dx
> es
->text_width
- x_offset_in_pixels
)
1700 dx
= es
->text_width
- x_offset_in_pixels
;
1701 nyoff
= max(0, es
->y_offset
+ dy
);
1702 if (nyoff
>= es
->line_count
- lines_per_page
)
1703 nyoff
= max(0, es
->line_count
- lines_per_page
);
1704 dy
= (es
->y_offset
- nyoff
) * es
->line_height
;
1709 es
->y_offset
= nyoff
;
1710 if(es
->style
& ES_MULTILINE
)
1713 es
->x_offset
+= dx
/ es
->char_width
;
1715 GetClientRect(es
->hwndSelf
, &rc1
);
1716 IntersectRect(&rc
, &rc1
, &es
->format_rect
);
1717 ScrollWindowEx(es
->hwndSelf
, -dx
, dy
,
1718 NULL
, &rc
, NULL
, NULL
, SW_INVALIDATE
);
1719 /* force scroll info update */
1720 EDIT_UpdateScrollInfo(es
);
1722 if (dx
&& !(es
->flags
& EF_HSCROLL_TRACK
))
1723 EDIT_NOTIFY_PARENT(es
, EN_HSCROLL
);
1724 if (dy
&& !(es
->flags
& EF_VSCROLL_TRACK
))
1725 EDIT_NOTIFY_PARENT(es
, EN_VSCROLL
);
1729 /*********************************************************************
1733 * NOTE: dx is in average character widths, dy - in lines;
1736 static BOOL
EDIT_EM_LineScroll(EDITSTATE
*es
, INT dx
, INT dy
)
1738 if (!(es
->style
& ES_MULTILINE
))
1741 dx
*= es
->char_width
;
1742 return EDIT_EM_LineScroll_internal(es
, dx
, dy
);
1746 /*********************************************************************
1751 static LRESULT
EDIT_EM_Scroll(EDITSTATE
*es
, INT action
)
1755 if (!(es
->style
& ES_MULTILINE
))
1756 return (LRESULT
)FALSE
;
1766 if (es
->y_offset
< es
->line_count
- 1)
1771 dy
= -(es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
1774 if (es
->y_offset
< es
->line_count
- 1)
1775 dy
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
1778 return (LRESULT
)FALSE
;
1781 INT vlc
= get_vertical_line_count(es
);
1782 /* check if we are going to move too far */
1783 if(es
->y_offset
+ dy
> es
->line_count
- vlc
)
1784 dy
= max(es
->line_count
- vlc
, 0) - es
->y_offset
;
1786 /* Notification is done in EDIT_EM_LineScroll */
1788 EDIT_EM_LineScroll(es
, 0, dy
);
1789 return MAKELONG(dy
, TRUE
);
1793 return (LRESULT
)FALSE
;
1797 /*********************************************************************
1802 static void EDIT_SetCaretPos(EDITSTATE
*es
, INT pos
,
1805 LRESULT res
= EDIT_EM_PosFromChar(es
, pos
, after_wrap
);
1806 TRACE("%d - %dx%d\n", pos
, (short)LOWORD(res
), (short)HIWORD(res
));
1807 SetCaretPos((short)LOWORD(res
), (short)HIWORD(res
));
1811 /*********************************************************************
1816 static void EDIT_EM_ScrollCaret(EDITSTATE
*es
)
1818 if (es
->style
& ES_MULTILINE
) {
1822 INT cw
= es
->char_width
;
1827 l
= EDIT_EM_LineFromChar(es
, es
->selection_end
);
1828 x
= (short)LOWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
));
1829 vlc
= get_vertical_line_count(es
);
1830 if (l
>= es
->y_offset
+ vlc
)
1831 dy
= l
- vlc
+ 1 - es
->y_offset
;
1832 if (l
< es
->y_offset
)
1833 dy
= l
- es
->y_offset
;
1834 ww
= es
->format_rect
.right
- es
->format_rect
.left
;
1835 if (x
< es
->format_rect
.left
)
1836 dx
= x
- es
->format_rect
.left
- ww
/ HSCROLL_FRACTION
/ cw
* cw
;
1837 if (x
> es
->format_rect
.right
)
1838 dx
= x
- es
->format_rect
.left
- (HSCROLL_FRACTION
- 1) * ww
/ HSCROLL_FRACTION
/ cw
* cw
;
1839 if (dy
|| dx
|| (es
->y_offset
&& (es
->line_count
- es
->y_offset
< vlc
)))
1841 /* check if we are going to move too far */
1842 if(es
->x_offset
+ dx
+ ww
> es
->text_width
)
1843 dx
= es
->text_width
- ww
- es
->x_offset
;
1844 if(dx
|| dy
|| (es
->y_offset
&& (es
->line_count
- es
->y_offset
< vlc
)))
1845 EDIT_EM_LineScroll_internal(es
, dx
, dy
);
1852 x
= (short)LOWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, FALSE
));
1853 format_width
= es
->format_rect
.right
- es
->format_rect
.left
;
1854 if (x
< es
->format_rect
.left
) {
1855 goal
= es
->format_rect
.left
+ format_width
/ HSCROLL_FRACTION
;
1858 x
= (short)LOWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, FALSE
));
1859 } while ((x
< goal
) && es
->x_offset
);
1860 /* FIXME: use ScrollWindow() somehow to improve performance */
1861 EDIT_UpdateText(es
, NULL
, TRUE
);
1862 } else if (x
> es
->format_rect
.right
) {
1864 INT len
= get_text_length(es
);
1865 goal
= es
->format_rect
.right
- format_width
/ HSCROLL_FRACTION
;
1868 x
= (short)LOWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, FALSE
));
1869 x_last
= (short)LOWORD(EDIT_EM_PosFromChar(es
, len
, FALSE
));
1870 } while ((x
> goal
) && (x_last
> es
->format_rect
.right
));
1871 /* FIXME: use ScrollWindow() somehow to improve performance */
1872 EDIT_UpdateText(es
, NULL
, TRUE
);
1876 if(es
->flags
& EF_FOCUSED
)
1877 EDIT_SetCaretPos(es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
);
1881 /*********************************************************************
1886 static void EDIT_MoveBackward(EDITSTATE
*es
, BOOL extend
)
1888 INT e
= es
->selection_end
;
1892 if ((es
->style
& ES_MULTILINE
) && e
&&
1893 (es
->text
[e
- 1] == '\r') && (es
->text
[e
] == '\n')) {
1895 if (e
&& (es
->text
[e
- 1] == '\r'))
1899 EDIT_EM_SetSel(es
, extend
? es
->selection_start
: e
, e
, FALSE
);
1900 EDIT_EM_ScrollCaret(es
);
1904 /*********************************************************************
1908 * Only for multi line controls
1909 * Move the caret one line down, on a column with the nearest
1910 * x coordinate on the screen (might be a different column).
1913 static void EDIT_MoveDown_ML(EDITSTATE
*es
, BOOL extend
)
1915 INT s
= es
->selection_start
;
1916 INT e
= es
->selection_end
;
1917 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
1918 LRESULT pos
= EDIT_EM_PosFromChar(es
, e
, after_wrap
);
1919 INT x
= (short)LOWORD(pos
);
1920 INT y
= (short)HIWORD(pos
);
1922 e
= EDIT_CharFromPos(es
, x
, y
+ es
->line_height
, &after_wrap
);
1925 EDIT_EM_SetSel(es
, s
, e
, after_wrap
);
1926 EDIT_EM_ScrollCaret(es
);
1930 /*********************************************************************
1935 static void EDIT_MoveEnd(EDITSTATE
*es
, BOOL extend
, BOOL ctrl
)
1937 BOOL after_wrap
= FALSE
;
1940 /* Pass a high value in x to make sure of receiving the end of the line */
1941 if (!ctrl
&& (es
->style
& ES_MULTILINE
))
1942 e
= EDIT_CharFromPos(es
, 0x3fffffff,
1943 HIWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
)), &after_wrap
);
1945 e
= get_text_length(es
);
1946 EDIT_EM_SetSel(es
, extend
? es
->selection_start
: e
, e
, after_wrap
);
1947 EDIT_EM_ScrollCaret(es
);
1951 /*********************************************************************
1956 static void EDIT_MoveForward(EDITSTATE
*es
, BOOL extend
)
1958 INT e
= es
->selection_end
;
1962 if ((es
->style
& ES_MULTILINE
) && (es
->text
[e
- 1] == '\r')) {
1963 if (es
->text
[e
] == '\n')
1965 else if ((es
->text
[e
] == '\r') && (es
->text
[e
+ 1] == '\n'))
1969 EDIT_EM_SetSel(es
, extend
? es
->selection_start
: e
, e
, FALSE
);
1970 EDIT_EM_ScrollCaret(es
);
1974 /*********************************************************************
1978 * Home key: move to beginning of line.
1981 static void EDIT_MoveHome(EDITSTATE
*es
, BOOL extend
, BOOL ctrl
)
1985 /* Pass the x_offset in x to make sure of receiving the first position of the line */
1986 if (!ctrl
&& (es
->style
& ES_MULTILINE
))
1987 e
= EDIT_CharFromPos(es
, -es
->x_offset
,
1988 HIWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
)), NULL
);
1991 EDIT_EM_SetSel(es
, extend
? es
->selection_start
: e
, e
, FALSE
);
1992 EDIT_EM_ScrollCaret(es
);
1996 /*********************************************************************
1998 * EDIT_MovePageDown_ML
2000 * Only for multi line controls
2001 * Move the caret one page down, on a column with the nearest
2002 * x coordinate on the screen (might be a different column).
2005 static void EDIT_MovePageDown_ML(EDITSTATE
*es
, BOOL extend
)
2007 INT s
= es
->selection_start
;
2008 INT e
= es
->selection_end
;
2009 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
2010 LRESULT pos
= EDIT_EM_PosFromChar(es
, e
, after_wrap
);
2011 INT x
= (short)LOWORD(pos
);
2012 INT y
= (short)HIWORD(pos
);
2014 e
= EDIT_CharFromPos(es
, x
,
2015 y
+ (es
->format_rect
.bottom
- es
->format_rect
.top
),
2019 EDIT_EM_SetSel(es
, s
, e
, after_wrap
);
2020 EDIT_EM_ScrollCaret(es
);
2024 /*********************************************************************
2026 * EDIT_MovePageUp_ML
2028 * Only for multi line controls
2029 * Move the caret one page up, on a column with the nearest
2030 * x coordinate on the screen (might be a different column).
2033 static void EDIT_MovePageUp_ML(EDITSTATE
*es
, BOOL extend
)
2035 INT s
= es
->selection_start
;
2036 INT e
= es
->selection_end
;
2037 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
2038 LRESULT pos
= EDIT_EM_PosFromChar(es
, e
, after_wrap
);
2039 INT x
= (short)LOWORD(pos
);
2040 INT y
= (short)HIWORD(pos
);
2042 e
= EDIT_CharFromPos(es
, x
,
2043 y
- (es
->format_rect
.bottom
- es
->format_rect
.top
),
2047 EDIT_EM_SetSel(es
, s
, e
, after_wrap
);
2048 EDIT_EM_ScrollCaret(es
);
2052 /*********************************************************************
2056 * Only for multi line controls
2057 * Move the caret one line up, on a column with the nearest
2058 * x coordinate on the screen (might be a different column).
2061 static void EDIT_MoveUp_ML(EDITSTATE
*es
, BOOL extend
)
2063 INT s
= es
->selection_start
;
2064 INT e
= es
->selection_end
;
2065 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
2066 LRESULT pos
= EDIT_EM_PosFromChar(es
, e
, after_wrap
);
2067 INT x
= (short)LOWORD(pos
);
2068 INT y
= (short)HIWORD(pos
);
2070 e
= EDIT_CharFromPos(es
, x
, y
- es
->line_height
, &after_wrap
);
2073 EDIT_EM_SetSel(es
, s
, e
, after_wrap
);
2074 EDIT_EM_ScrollCaret(es
);
2078 /*********************************************************************
2080 * EDIT_MoveWordBackward
2083 static void EDIT_MoveWordBackward(EDITSTATE
*es
, BOOL extend
)
2085 INT s
= es
->selection_start
;
2086 INT e
= es
->selection_end
;
2091 l
= EDIT_EM_LineFromChar(es
, e
);
2092 ll
= EDIT_EM_LineLength(es
, e
);
2093 li
= EDIT_EM_LineIndex(es
, l
);
2096 li
= EDIT_EM_LineIndex(es
, l
- 1);
2097 e
= li
+ EDIT_EM_LineLength(es
, li
);
2100 e
= li
+ EDIT_CallWordBreakProc(es
, li
, e
- li
, ll
, WB_LEFT
);
2104 EDIT_EM_SetSel(es
, s
, e
, FALSE
);
2105 EDIT_EM_ScrollCaret(es
);
2109 /*********************************************************************
2111 * EDIT_MoveWordForward
2114 static void EDIT_MoveWordForward(EDITSTATE
*es
, BOOL extend
)
2116 INT s
= es
->selection_start
;
2117 INT e
= es
->selection_end
;
2122 l
= EDIT_EM_LineFromChar(es
, e
);
2123 ll
= EDIT_EM_LineLength(es
, e
);
2124 li
= EDIT_EM_LineIndex(es
, l
);
2126 if ((es
->style
& ES_MULTILINE
) && (l
!= es
->line_count
- 1))
2127 e
= EDIT_EM_LineIndex(es
, l
+ 1);
2129 e
= li
+ EDIT_CallWordBreakProc(es
,
2130 li
, e
- li
+ 1, ll
, WB_RIGHT
);
2134 EDIT_EM_SetSel(es
, s
, e
, FALSE
);
2135 EDIT_EM_ScrollCaret(es
);
2139 /*********************************************************************
2144 static INT
EDIT_PaintText(EDITSTATE
*es
, HDC dc
, INT x
, INT y
, INT line
, INT col
, INT count
, BOOL rev
)
2148 LOGFONTW underline_font
;
2149 HFONT hUnderline
= 0;
2158 BkMode
= GetBkMode(dc
);
2159 BkColor
= GetBkColor(dc
);
2160 TextColor
= GetTextColor(dc
);
2162 if (es
->composition_len
== 0)
2164 SetBkColor(dc
, GetSysColor(COLOR_HIGHLIGHT
));
2165 SetTextColor(dc
, GetSysColor(COLOR_HIGHLIGHTTEXT
));
2166 SetBkMode( dc
, OPAQUE
);
2170 HFONT current
= GetCurrentObject(dc
,OBJ_FONT
);
2171 GetObjectW(current
,sizeof(LOGFONTW
),&underline_font
);
2172 underline_font
.lfUnderline
= TRUE
;
2173 hUnderline
= CreateFontIndirectW(&underline_font
);
2174 old_font
= SelectObject(dc
,hUnderline
);
2177 li
= EDIT_EM_LineIndex(es
, line
);
2178 if (es
->style
& ES_MULTILINE
) {
2179 ret
= (INT
)LOWORD(TabbedTextOutW(dc
, x
, y
, es
->text
+ li
+ col
, count
,
2180 es
->tabs_count
, es
->tabs
, es
->format_rect
.left
- es
->x_offset
));
2182 LPWSTR text
= es
->text
;
2183 TextOutW(dc
, x
, y
, text
+ li
+ col
, count
);
2184 GetTextExtentPoint32W(dc
, text
+ li
+ col
, count
, &size
);
2186 if (es
->style
& ES_PASSWORD
)
2187 HeapFree(GetProcessHeap(), 0, text
);
2190 if (es
->composition_len
== 0)
2192 SetBkColor(dc
, BkColor
);
2193 SetTextColor(dc
, TextColor
);
2194 SetBkMode( dc
, BkMode
);
2199 SelectObject(dc
,old_font
);
2201 DeleteObject(hUnderline
);
2208 /*********************************************************************
2213 static void EDIT_PaintLine(EDITSTATE
*es
, HDC dc
, INT line
, BOOL rev
)
2222 SCRIPT_STRING_ANALYSIS ssa
;
2224 if (es
->style
& ES_MULTILINE
) {
2225 INT vlc
= get_vertical_line_count(es
);
2227 if ((line
< es
->y_offset
) || (line
> es
->y_offset
+ vlc
) || (line
>= es
->line_count
))
2232 TRACE("line=%d\n", line
);
2234 ssa
= EDIT_UpdateUniscribeData(es
, dc
, line
);
2235 pos
= EDIT_EM_PosFromChar(es
, EDIT_EM_LineIndex(es
, line
), FALSE
);
2236 x
= (short)LOWORD(pos
);
2237 y
= (short)HIWORD(pos
);
2239 if (es
->style
& ES_MULTILINE
)
2241 int line_idx
= line
;
2243 if (es
->style
& ES_RIGHT
|| es
->style
& ES_CENTER
)
2245 LINEDEF
*line_def
= es
->first_line_def
;
2248 while (line_def
&& line_idx
)
2250 line_def
= line_def
->next
;
2253 w
= es
->format_rect
.right
- es
->format_rect
.left
;
2254 lw
= line_def
->width
;
2256 if (es
->style
& ES_RIGHT
)
2258 else if (es
->style
& ES_CENTER
)
2261 x
+= es
->format_rect
.left
;
2266 li
= EDIT_EM_LineIndex(es
, line
);
2267 ll
= EDIT_EM_LineLength(es
, li
);
2268 s
= min(es
->selection_start
, es
->selection_end
);
2269 e
= max(es
->selection_start
, es
->selection_end
);
2270 s
= min(li
+ ll
, max(li
, s
));
2271 e
= min(li
+ ll
, max(li
, e
));
2275 ScriptStringOut(ssa
, x
, y
, 0, &es
->format_rect
, s
- li
, e
- li
, FALSE
);
2276 else if (rev
&& (s
!= e
) &&
2277 ((es
->flags
& EF_FOCUSED
) || (es
->style
& ES_NOHIDESEL
))) {
2278 x
+= EDIT_PaintText(es
, dc
, x
, y
, line
, 0, s
- li
, FALSE
);
2279 x
+= EDIT_PaintText(es
, dc
, x
, y
, line
, s
- li
, e
- s
, TRUE
);
2280 x
+= EDIT_PaintText(es
, dc
, x
, y
, line
, e
- li
, li
+ ll
- e
, FALSE
);
2282 x
+= EDIT_PaintText(es
, dc
, x
, y
, line
, 0, ll
, FALSE
);
2286 /*********************************************************************
2288 * EDIT_AdjustFormatRect
2290 * Adjusts the format rectangle for the current font and the
2291 * current client rectangle.
2294 static void EDIT_AdjustFormatRect(EDITSTATE
*es
)
2298 es
->format_rect
.right
= max(es
->format_rect
.right
, es
->format_rect
.left
+ es
->char_width
);
2299 if (es
->style
& ES_MULTILINE
)
2301 INT fw
, vlc
, max_x_offset
, max_y_offset
;
2303 vlc
= get_vertical_line_count(es
);
2304 es
->format_rect
.bottom
= es
->format_rect
.top
+ vlc
* es
->line_height
;
2306 /* correct es->x_offset */
2307 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
2308 max_x_offset
= es
->text_width
- fw
;
2309 if(max_x_offset
< 0) max_x_offset
= 0;
2310 if(es
->x_offset
> max_x_offset
)
2311 es
->x_offset
= max_x_offset
;
2313 /* correct es->y_offset */
2314 max_y_offset
= es
->line_count
- vlc
;
2315 if(max_y_offset
< 0) max_y_offset
= 0;
2316 if(es
->y_offset
> max_y_offset
)
2317 es
->y_offset
= max_y_offset
;
2319 /* force scroll info update */
2320 EDIT_UpdateScrollInfo(es
);
2323 /* Windows doesn't care to fix text placement for SL controls */
2324 es
->format_rect
.bottom
= es
->format_rect
.top
+ es
->line_height
;
2326 /* Always stay within the client area */
2327 GetClientRect(es
->hwndSelf
, &ClientRect
);
2328 es
->format_rect
.bottom
= min(es
->format_rect
.bottom
, ClientRect
.bottom
);
2330 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_AUTOHSCROLL
))
2331 EDIT_BuildLineDefs_ML(es
, 0, get_text_length(es
), 0, NULL
);
2333 EDIT_SetCaretPos(es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
);
2337 /*********************************************************************
2341 * note: this is not (exactly) the handler called on EM_SETRECTNP
2342 * it is also used to set the rect of a single line control
2345 static void EDIT_SetRectNP(EDITSTATE
*es
, const RECT
*rc
)
2349 ExStyle
= GetWindowLongPtrW(es
->hwndSelf
, GWL_EXSTYLE
);
2351 CopyRect(&es
->format_rect
, rc
);
2353 if (ExStyle
& WS_EX_CLIENTEDGE
) {
2354 es
->format_rect
.left
++;
2355 es
->format_rect
.right
--;
2357 if (es
->format_rect
.bottom
- es
->format_rect
.top
2358 >= es
->line_height
+ 2)
2360 es
->format_rect
.top
++;
2361 es
->format_rect
.bottom
--;
2364 else if (es
->style
& WS_BORDER
) {
2365 bw
= GetSystemMetrics(SM_CXBORDER
) + 1;
2366 bh
= GetSystemMetrics(SM_CYBORDER
) + 1;
2367 es
->format_rect
.left
+= bw
;
2368 es
->format_rect
.right
-= bw
;
2369 if (es
->format_rect
.bottom
- es
->format_rect
.top
2370 >= es
->line_height
+ 2 * bh
)
2372 es
->format_rect
.top
+= bh
;
2373 es
->format_rect
.bottom
-= bh
;
2377 es
->format_rect
.left
+= es
->left_margin
;
2378 es
->format_rect
.right
-= es
->right_margin
;
2379 EDIT_AdjustFormatRect(es
);
2383 /*********************************************************************
2387 * returns line number (not index) in high-order word of result.
2388 * NB : Q137805 is unclear about this. POINT * pointer in lParam apply
2389 * to Richedit, not to the edit control. Original documentation is valid.
2390 * FIXME: do the specs mean to return -1 if outside client area or
2391 * if outside formatting rectangle ???
2394 static LRESULT
EDIT_EM_CharFromPos(EDITSTATE
*es
, INT x
, INT y
)
2402 GetClientRect(es
->hwndSelf
, &rc
);
2403 if (!PtInRect(&rc
, pt
))
2406 index
= EDIT_CharFromPos(es
, x
, y
, NULL
);
2407 return MAKELONG(index
, EDIT_EM_LineFromChar(es
, index
));
2411 /*********************************************************************
2415 * Enable or disable soft breaks.
2417 * This means: insert or remove the soft linebreak character (\r\r\n).
2418 * Take care to check if the text still fits the buffer after insertion.
2419 * If not, notify with EN_ERRSPACE.
2422 static BOOL
EDIT_EM_FmtLines(EDITSTATE
*es
, BOOL add_eol
)
2424 es
->flags
&= ~EF_USE_SOFTBRK
;
2426 es
->flags
|= EF_USE_SOFTBRK
;
2427 FIXME("soft break enabled, not implemented\n");
2433 /*********************************************************************
2437 * Hopefully this won't fire back at us.
2438 * We always start with a fixed buffer in the local heap.
2439 * Despite of the documentation says that the local heap is used
2440 * only if DS_LOCALEDIT flag is set, NT and 2000 always allocate
2441 * buffer on the local heap.
2444 static HLOCAL
EDIT_EM_GetHandle(EDITSTATE
*es
)
2448 if (!(es
->style
& ES_MULTILINE
))
2452 hLocal
= es
->hloc32W
;
2458 UINT countA
, alloc_size
;
2459 TRACE("Allocating 32-bit ANSI alias buffer\n");
2460 countA
= WideCharToMultiByte(CP_ACP
, 0, es
->text
, -1, NULL
, 0, NULL
, NULL
);
2461 alloc_size
= ROUND_TO_GROW(countA
);
2462 if(!(es
->hloc32A
= LocalAlloc(LMEM_MOVEABLE
| LMEM_ZEROINIT
, alloc_size
)))
2464 ERR("Could not allocate %d bytes for 32-bit ANSI alias buffer\n", alloc_size
);
2467 textA
= LocalLock(es
->hloc32A
);
2468 WideCharToMultiByte(CP_ACP
, 0, es
->text
, -1, textA
, countA
, NULL
, NULL
);
2469 LocalUnlock(es
->hloc32A
);
2471 hLocal
= es
->hloc32A
;
2474 es
->flags
|= EF_APP_HAS_HANDLE
;
2475 TRACE("Returning %p, LocalSize() = %ld\n", hLocal
, LocalSize(hLocal
));
2480 /*********************************************************************
2485 static INT
EDIT_EM_GetLine(EDITSTATE
*es
, INT line
, LPWSTR dst
, BOOL unicode
)
2488 INT line_len
, dst_len
;
2491 if (es
->style
& ES_MULTILINE
) {
2492 if (line
>= es
->line_count
)
2496 i
= EDIT_EM_LineIndex(es
, line
);
2498 line_len
= EDIT_EM_LineLength(es
, i
);
2499 dst_len
= *(WORD
*)dst
;
2502 if(dst_len
<= line_len
)
2504 memcpy(dst
, src
, dst_len
* sizeof(WCHAR
));
2507 else /* Append 0 if enough space */
2509 memcpy(dst
, src
, line_len
* sizeof(WCHAR
));
2516 INT ret
= WideCharToMultiByte(CP_ACP
, 0, src
, line_len
, (LPSTR
)dst
, dst_len
, NULL
, NULL
);
2517 if(!ret
&& line_len
) /* Insufficient buffer size */
2519 if(ret
< dst_len
) /* Append 0 if enough space */
2520 ((LPSTR
)dst
)[ret
] = 0;
2526 /*********************************************************************
2531 static LRESULT
EDIT_EM_GetSel(const EDITSTATE
*es
, PUINT start
, PUINT end
)
2533 UINT s
= es
->selection_start
;
2534 UINT e
= es
->selection_end
;
2541 return MAKELONG(s
, e
);
2545 /*********************************************************************
2549 * FIXME: handle ES_NUMBER and ES_OEMCONVERT here
2552 static void EDIT_EM_ReplaceSel(EDITSTATE
*es
, BOOL can_undo
, LPCWSTR lpsz_replace
, BOOL send_update
, BOOL honor_limit
)
2554 UINT strl
= strlenW(lpsz_replace
);
2555 UINT tl
= get_text_length(es
);
2566 TRACE("%s, can_undo %d, send_update %d\n",
2567 debugstr_w(lpsz_replace
), can_undo
, send_update
);
2569 s
= es
->selection_start
;
2570 e
= es
->selection_end
;
2572 EDIT_InvalidateUniscribeData(es
);
2573 if ((s
== e
) && !strl
)
2578 size
= tl
- (e
- s
) + strl
;
2582 /* Issue the EN_MAXTEXT notification and continue with replacing text
2583 * such that buffer limit is honored. */
2584 if ((honor_limit
) && (size
> es
->buffer_limit
)) {
2585 EDIT_NOTIFY_PARENT(es
, EN_MAXTEXT
);
2586 /* Buffer limit can be smaller than the actual length of text in combobox */
2587 if (es
->buffer_limit
< (tl
- (e
-s
)))
2590 strl
= es
->buffer_limit
- (tl
- (e
-s
));
2593 if (!EDIT_MakeFit(es
, tl
- (e
- s
) + strl
))
2597 /* there is something to be deleted */
2598 TRACE("deleting stuff.\n");
2600 buf
= HeapAlloc(GetProcessHeap(), 0, (bufl
+ 1) * sizeof(WCHAR
));
2602 memcpy(buf
, es
->text
+ s
, bufl
* sizeof(WCHAR
));
2603 buf
[bufl
] = 0; /* ensure 0 termination */
2605 strcpyW(es
->text
+ s
, es
->text
+ e
);
2606 text_buffer_changed(es
);
2609 /* there is an insertion */
2610 tl
= get_text_length(es
);
2611 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
));
2612 for (p
= es
->text
+ tl
; p
>= es
->text
+ s
; p
--)
2614 for (i
= 0 , p
= es
->text
+ s
; i
< strl
; i
++)
2615 p
[i
] = lpsz_replace
[i
];
2616 if(es
->style
& ES_UPPERCASE
)
2617 CharUpperBuffW(p
, strl
);
2618 else if(es
->style
& ES_LOWERCASE
)
2619 CharLowerBuffW(p
, strl
);
2620 text_buffer_changed(es
);
2622 if (es
->style
& ES_MULTILINE
)
2624 INT st
= min(es
->selection_start
, es
->selection_end
);
2625 INT vlc
= get_vertical_line_count(es
);
2627 hrgn
= CreateRectRgn(0, 0, 0, 0);
2628 EDIT_BuildLineDefs_ML(es
, st
, st
+ strl
,
2629 strl
- abs(es
->selection_end
- es
->selection_start
), hrgn
);
2630 /* if text is too long undo all changes */
2631 if (honor_limit
&& !(es
->style
& ES_AUTOVSCROLL
) && (es
->line_count
> vlc
)) {
2633 strcpyW(es
->text
+ e
, es
->text
+ e
+ strl
);
2635 for (i
= 0 , p
= es
->text
; i
< e
- s
; i
++)
2637 text_buffer_changed(es
);
2638 EDIT_BuildLineDefs_ML(es
, s
, e
,
2639 abs(es
->selection_end
- es
->selection_start
) - strl
, hrgn
);
2642 hrgn
= CreateRectRgn(0, 0, 0, 0);
2643 EDIT_NOTIFY_PARENT(es
, EN_MAXTEXT
);
2647 INT fw
= es
->format_rect
.right
- es
->format_rect
.left
;
2648 EDIT_InvalidateUniscribeData(es
);
2649 EDIT_CalcLineWidth_SL(es
);
2650 /* remove chars that don't fit */
2651 if (honor_limit
&& !(es
->style
& ES_AUTOHSCROLL
) && (es
->text_width
> fw
)) {
2652 while ((es
->text_width
> fw
) && s
+ strl
>= s
) {
2653 strcpyW(es
->text
+ s
+ strl
- 1, es
->text
+ s
+ strl
);
2655 es
->text_length
= -1;
2656 EDIT_InvalidateUniscribeData(es
);
2657 EDIT_CalcLineWidth_SL(es
);
2659 text_buffer_changed(es
);
2660 EDIT_NOTIFY_PARENT(es
, EN_MAXTEXT
);
2666 utl
= strlenW(es
->undo_text
);
2667 if (!es
->undo_insert_count
&& (*es
->undo_text
&& (s
== es
->undo_position
))) {
2668 /* undo-buffer is extended to the right */
2669 EDIT_MakeUndoFit(es
, utl
+ e
- s
);
2670 memcpy(es
->undo_text
+ utl
, buf
, (e
- s
)*sizeof(WCHAR
));
2671 (es
->undo_text
+ utl
)[e
- s
] = 0; /* ensure 0 termination */
2672 } else if (!es
->undo_insert_count
&& (*es
->undo_text
&& (e
== es
->undo_position
))) {
2673 /* undo-buffer is extended to the left */
2674 EDIT_MakeUndoFit(es
, utl
+ e
- s
);
2675 for (p
= es
->undo_text
+ utl
; p
>= es
->undo_text
; p
--)
2677 for (i
= 0 , p
= es
->undo_text
; i
< e
- s
; i
++)
2679 es
->undo_position
= s
;
2681 /* new undo-buffer */
2682 EDIT_MakeUndoFit(es
, e
- s
);
2683 memcpy(es
->undo_text
, buf
, (e
- s
)*sizeof(WCHAR
));
2684 es
->undo_text
[e
- s
] = 0; /* ensure 0 termination */
2685 es
->undo_position
= s
;
2687 /* any deletion makes the old insertion-undo invalid */
2688 es
->undo_insert_count
= 0;
2690 EDIT_EM_EmptyUndoBuffer(es
);
2694 if ((s
== es
->undo_position
) ||
2695 ((es
->undo_insert_count
) &&
2696 (s
== es
->undo_position
+ es
->undo_insert_count
)))
2698 * insertion is new and at delete position or
2699 * an extension to either left or right
2701 es
->undo_insert_count
+= strl
;
2703 /* new insertion undo */
2704 es
->undo_position
= s
;
2705 es
->undo_insert_count
= strl
;
2706 /* new insertion makes old delete-buffer invalid */
2707 *es
->undo_text
= '\0';
2710 EDIT_EM_EmptyUndoBuffer(es
);
2714 HeapFree(GetProcessHeap(), 0, buf
);
2718 /* If text has been deleted and we're right or center aligned then scroll rightward */
2719 if (es
->style
& (ES_RIGHT
| ES_CENTER
))
2721 INT delta
= strl
- abs(es
->selection_end
- es
->selection_start
);
2723 if (delta
< 0 && es
->x_offset
)
2725 if (abs(delta
) > es
->x_offset
)
2728 es
->x_offset
+= delta
;
2732 EDIT_EM_SetSel(es
, s
, s
, FALSE
);
2733 es
->flags
|= EF_MODIFIED
;
2734 if (send_update
) es
->flags
|= EF_UPDATE
;
2737 EDIT_UpdateTextRegion(es
, hrgn
, TRUE
);
2741 EDIT_UpdateText(es
, NULL
, TRUE
);
2743 EDIT_EM_ScrollCaret(es
);
2745 /* force scroll info update */
2746 EDIT_UpdateScrollInfo(es
);
2749 if(send_update
|| (es
->flags
& EF_UPDATE
))
2751 es
->flags
&= ~EF_UPDATE
;
2752 EDIT_NOTIFY_PARENT(es
, EN_CHANGE
);
2754 EDIT_InvalidateUniscribeData(es
);
2758 /*********************************************************************
2762 * FIXME: ES_LOWERCASE, ES_UPPERCASE, ES_OEMCONVERT, ES_NUMBER ???
2765 static void EDIT_EM_SetHandle(EDITSTATE
*es
, HLOCAL hloc
)
2767 if (!(es
->style
& ES_MULTILINE
))
2771 WARN("called with NULL handle\n");
2775 EDIT_UnlockBuffer(es
, TRUE
);
2781 LocalFree(es
->hloc32A
);
2793 countA
= LocalSize(hloc
);
2794 textA
= LocalLock(hloc
);
2795 countW
= MultiByteToWideChar(CP_ACP
, 0, textA
, countA
, NULL
, 0);
2796 if(!(hloc32W_new
= LocalAlloc(LMEM_MOVEABLE
| LMEM_ZEROINIT
, countW
* sizeof(WCHAR
))))
2798 ERR("Could not allocate new unicode buffer\n");
2801 textW
= LocalLock(hloc32W_new
);
2802 MultiByteToWideChar(CP_ACP
, 0, textA
, countA
, textW
, countW
);
2803 LocalUnlock(hloc32W_new
);
2807 LocalFree(es
->hloc32W
);
2809 es
->hloc32W
= hloc32W_new
;
2813 es
->buffer_size
= LocalSize(es
->hloc32W
)/sizeof(WCHAR
) - 1;
2815 es
->flags
|= EF_APP_HAS_HANDLE
;
2816 EDIT_LockBuffer(es
);
2818 es
->x_offset
= es
->y_offset
= 0;
2819 es
->selection_start
= es
->selection_end
= 0;
2820 EDIT_EM_EmptyUndoBuffer(es
);
2821 es
->flags
&= ~EF_MODIFIED
;
2822 es
->flags
&= ~EF_UPDATE
;
2823 EDIT_BuildLineDefs_ML(es
, 0, get_text_length(es
), 0, NULL
);
2824 EDIT_UpdateText(es
, NULL
, TRUE
);
2825 EDIT_EM_ScrollCaret(es
);
2826 /* force scroll info update */
2827 EDIT_UpdateScrollInfo(es
);
2831 /*********************************************************************
2835 * NOTE: this version currently implements WinNT limits
2838 static void EDIT_EM_SetLimitText(EDITSTATE
*es
, UINT limit
)
2840 if (!limit
) limit
= ~0u;
2841 if (!(es
->style
& ES_MULTILINE
)) limit
= min(limit
, 0x7ffffffe);
2842 es
->buffer_limit
= limit
;
2846 /*********************************************************************
2850 * EC_USEFONTINFO is used as a left or right value i.e. lParam and not as an
2851 * action wParam despite what the docs say. EC_USEFONTINFO calculates the
2852 * margin according to the textmetrics of the current font.
2854 * FIXME - With TrueType or vector fonts EC_USEFONTINFO currently sets one third
2855 * of the char's width as the margin, but this is not how Windows handles this.
2856 * For all other fonts Windows sets the margins to zero.
2858 * FIXME - When EC_USEFONTINFO is used the margins only change if the
2859 * edit control is equal to or larger than a certain size.
2860 * Interestingly if one subtracts both the left and right margins from
2861 * this size one always seems to get an even number. The extents of
2862 * the (four character) string "'**'" match this quite closely, so
2863 * we'll use this until we come up with a better idea.
2865 static int calc_min_set_margin_size(HDC dc
, INT left
, INT right
)
2867 WCHAR magic_string
[] = {'\'','*','*','\'', 0};
2870 GetTextExtentPointW(dc
, magic_string
, sizeof(magic_string
)/sizeof(WCHAR
) - 1, &sz
);
2871 return sz
.cx
+ left
+ right
;
2874 static void EDIT_EM_SetMargins(EDITSTATE
*es
, INT action
,
2875 WORD left
, WORD right
, BOOL repaint
)
2878 INT default_left_margin
= 0; /* in pixels */
2879 INT default_right_margin
= 0; /* in pixels */
2881 /* Set the default margins depending on the font */
2882 if (es
->font
&& (left
== EC_USEFONTINFO
|| right
== EC_USEFONTINFO
)) {
2883 HDC dc
= GetDC(es
->hwndSelf
);
2884 HFONT old_font
= SelectObject(dc
, es
->font
);
2885 GetTextMetricsW(dc
, &tm
);
2886 /* The default margins are only non zero for TrueType or Vector fonts */
2887 if (tm
.tmPitchAndFamily
& ( TMPF_VECTOR
| TMPF_TRUETYPE
)) {
2890 /* This must be calculated more exactly! But how? */
2891 default_left_margin
= tm
.tmAveCharWidth
/ 2;
2892 default_right_margin
= tm
.tmAveCharWidth
/ 2;
2893 min_size
= calc_min_set_margin_size(dc
, default_left_margin
, default_right_margin
);
2894 GetClientRect(es
->hwndSelf
, &rc
);
2895 if(rc
.right
- rc
.left
< min_size
) {
2896 default_left_margin
= es
->left_margin
;
2897 default_right_margin
= es
->right_margin
;
2900 SelectObject(dc
, old_font
);
2901 ReleaseDC(es
->hwndSelf
, dc
);
2904 if (action
& EC_LEFTMARGIN
) {
2905 es
->format_rect
.left
-= es
->left_margin
;
2906 if (left
!= EC_USEFONTINFO
)
2907 es
->left_margin
= left
;
2909 es
->left_margin
= default_left_margin
;
2910 es
->format_rect
.left
+= es
->left_margin
;
2913 if (action
& EC_RIGHTMARGIN
) {
2914 es
->format_rect
.right
+= es
->right_margin
;
2915 if (right
!= EC_USEFONTINFO
)
2916 es
->right_margin
= right
;
2918 es
->right_margin
= default_right_margin
;
2919 es
->format_rect
.right
-= es
->right_margin
;
2922 if (action
& (EC_LEFTMARGIN
| EC_RIGHTMARGIN
)) {
2923 EDIT_AdjustFormatRect(es
);
2924 if (repaint
) EDIT_UpdateText(es
, NULL
, TRUE
);
2927 TRACE("left=%d, right=%d\n", es
->left_margin
, es
->right_margin
);
2931 /*********************************************************************
2933 * EM_SETPASSWORDCHAR
2936 static void EDIT_EM_SetPasswordChar(EDITSTATE
*es
, WCHAR c
)
2940 if (es
->style
& ES_MULTILINE
)
2943 if (es
->password_char
== c
)
2946 style
= GetWindowLongW( es
->hwndSelf
, GWL_STYLE
);
2947 es
->password_char
= c
;
2949 SetWindowLongW( es
->hwndSelf
, GWL_STYLE
, style
| ES_PASSWORD
);
2950 es
->style
|= ES_PASSWORD
;
2952 SetWindowLongW( es
->hwndSelf
, GWL_STYLE
, style
& ~ES_PASSWORD
);
2953 es
->style
&= ~ES_PASSWORD
;
2955 EDIT_InvalidateUniscribeData(es
);
2956 EDIT_UpdateText(es
, NULL
, TRUE
);
2960 /*********************************************************************
2965 static BOOL
EDIT_EM_SetTabStops(EDITSTATE
*es
, INT count
, const INT
*tabs
)
2967 if (!(es
->style
& ES_MULTILINE
))
2969 HeapFree(GetProcessHeap(), 0, es
->tabs
);
2970 es
->tabs_count
= count
;
2974 es
->tabs
= HeapAlloc(GetProcessHeap(), 0, count
* sizeof(INT
));
2975 memcpy(es
->tabs
, tabs
, count
* sizeof(INT
));
2977 EDIT_InvalidateUniscribeData(es
);
2982 /*********************************************************************
2984 * EM_SETWORDBREAKPROC
2987 static void EDIT_EM_SetWordBreakProc(EDITSTATE
*es
, void *wbp
)
2989 if (es
->word_break_proc
== wbp
)
2992 es
->word_break_proc
= wbp
;
2994 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_AUTOHSCROLL
)) {
2995 EDIT_BuildLineDefs_ML(es
, 0, get_text_length(es
), 0, NULL
);
2996 EDIT_UpdateText(es
, NULL
, TRUE
);
3001 /*********************************************************************
3006 static BOOL
EDIT_EM_Undo(EDITSTATE
*es
)
3011 /* As per MSDN spec, for a single-line edit control,
3012 the return value is always TRUE */
3013 if( es
->style
& ES_READONLY
)
3014 return !(es
->style
& ES_MULTILINE
);
3016 ulength
= strlenW(es
->undo_text
);
3018 utext
= HeapAlloc(GetProcessHeap(), 0, (ulength
+ 1) * sizeof(WCHAR
));
3020 strcpyW(utext
, es
->undo_text
);
3022 TRACE("before UNDO:insertion length = %d, deletion buffer = %s\n",
3023 es
->undo_insert_count
, debugstr_w(utext
));
3025 EDIT_EM_SetSel(es
, es
->undo_position
, es
->undo_position
+ es
->undo_insert_count
, FALSE
);
3026 EDIT_EM_EmptyUndoBuffer(es
);
3027 EDIT_EM_ReplaceSel(es
, TRUE
, utext
, TRUE
, TRUE
);
3028 EDIT_EM_SetSel(es
, es
->undo_position
, es
->undo_position
+ es
->undo_insert_count
, FALSE
);
3029 /* send the notification after the selection start and end are set */
3030 EDIT_NOTIFY_PARENT(es
, EN_CHANGE
);
3031 EDIT_EM_ScrollCaret(es
);
3032 HeapFree(GetProcessHeap(), 0, utext
);
3034 TRACE("after UNDO:insertion length = %d, deletion buffer = %s\n",
3035 es
->undo_insert_count
, debugstr_w(es
->undo_text
));
3040 /* Helper function for WM_CHAR
3042 * According to an MSDN blog article titled "Just because you're a control
3043 * doesn't mean that you're necessarily inside a dialog box," multiline edit
3044 * controls without ES_WANTRETURN would attempt to detect whether it is inside
3045 * a dialog box or not.
3047 static inline BOOL
EDIT_IsInsideDialog(EDITSTATE
*es
)
3049 return (es
->flags
& EF_DIALOGMODE
);
3053 /*********************************************************************
3058 static void EDIT_WM_Paste(EDITSTATE
*es
)
3063 /* Protect read-only edit control from modification */
3064 if(es
->style
& ES_READONLY
)
3067 OpenClipboard(es
->hwndSelf
);
3068 if ((hsrc
= GetClipboardData(CF_UNICODETEXT
))) {
3069 src
= GlobalLock(hsrc
);
3070 EDIT_EM_ReplaceSel(es
, TRUE
, src
, TRUE
, TRUE
);
3073 else if (es
->style
& ES_PASSWORD
) {
3074 /* clear selected text in password edit box even with empty clipboard */
3075 EDIT_EM_ReplaceSel(es
, TRUE
, empty_stringW
, TRUE
, TRUE
);
3081 /*********************************************************************
3086 static void EDIT_WM_Copy(EDITSTATE
*es
)
3088 INT s
= min(es
->selection_start
, es
->selection_end
);
3089 INT e
= max(es
->selection_start
, es
->selection_end
);
3097 hdst
= GlobalAlloc(GMEM_MOVEABLE
| GMEM_DDESHARE
, (len
+ 1) * sizeof(WCHAR
));
3098 dst
= GlobalLock(hdst
);
3099 memcpy(dst
, es
->text
+ s
, len
* sizeof(WCHAR
));
3100 dst
[len
] = 0; /* ensure 0 termination */
3101 TRACE("%s\n", debugstr_w(dst
));
3103 OpenClipboard(es
->hwndSelf
);
3105 SetClipboardData(CF_UNICODETEXT
, hdst
);
3110 /*********************************************************************
3115 static inline void EDIT_WM_Clear(EDITSTATE
*es
)
3117 /* Protect read-only edit control from modification */
3118 if(es
->style
& ES_READONLY
)
3121 EDIT_EM_ReplaceSel(es
, TRUE
, empty_stringW
, TRUE
, TRUE
);
3125 /*********************************************************************
3130 static inline void EDIT_WM_Cut(EDITSTATE
*es
)
3137 /*********************************************************************
3142 static LRESULT
EDIT_WM_Char(EDITSTATE
*es
, WCHAR c
)
3146 control
= GetKeyState(VK_CONTROL
) & 0x8000;
3150 /* If it's not a multiline edit box, it would be ignored below.
3151 * For multiline edit without ES_WANTRETURN, we have to make a
3154 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_WANTRETURN
))
3155 if (EDIT_IsInsideDialog(es
))
3158 if (es
->style
& ES_MULTILINE
) {
3159 if (es
->style
& ES_READONLY
) {
3160 EDIT_MoveHome(es
, FALSE
, FALSE
);
3161 EDIT_MoveDown_ML(es
, FALSE
);
3163 static const WCHAR cr_lfW
[] = {'\r','\n',0};
3164 EDIT_EM_ReplaceSel(es
, TRUE
, cr_lfW
, TRUE
, TRUE
);
3169 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_READONLY
))
3171 static const WCHAR tabW
[] = {'\t',0};
3172 if (EDIT_IsInsideDialog(es
))
3174 EDIT_EM_ReplaceSel(es
, TRUE
, tabW
, TRUE
, TRUE
);
3178 if (!(es
->style
& ES_READONLY
) && !control
) {
3179 if (es
->selection_start
!= es
->selection_end
)
3182 /* delete character left of caret */
3183 EDIT_EM_SetSel(es
, (UINT
)-1, 0, FALSE
);
3184 EDIT_MoveBackward(es
, TRUE
);
3190 if (!(es
->style
& ES_PASSWORD
))
3191 SendMessageW(es
->hwndSelf
, WM_COPY
, 0, 0);
3194 if (!(es
->style
& ES_READONLY
))
3195 SendMessageW(es
->hwndSelf
, WM_PASTE
, 0, 0);
3198 if (!((es
->style
& ES_READONLY
) || (es
->style
& ES_PASSWORD
)))
3199 SendMessageW(es
->hwndSelf
, WM_CUT
, 0, 0);
3202 if (!(es
->style
& ES_READONLY
))
3203 SendMessageW(es
->hwndSelf
, WM_UNDO
, 0, 0);
3207 /*If Edit control style is ES_NUMBER allow users to key in only numeric values*/
3208 if( (es
->style
& ES_NUMBER
) && !( c
>= '0' && c
<= '9') )
3211 if (!(es
->style
& ES_READONLY
) && (c
>= ' ') && (c
!= 127)) {
3215 EDIT_EM_ReplaceSel(es
, TRUE
, str
, TRUE
, TRUE
);
3223 /*********************************************************************
3228 static void EDIT_WM_Command(EDITSTATE
*es
, INT code
, INT id
, HWND control
)
3230 if (code
|| control
)
3235 SendMessageW(es
->hwndSelf
, WM_UNDO
, 0, 0);
3238 SendMessageW(es
->hwndSelf
, WM_CUT
, 0, 0);
3241 SendMessageW(es
->hwndSelf
, WM_COPY
, 0, 0);
3244 SendMessageW(es
->hwndSelf
, WM_PASTE
, 0, 0);
3247 SendMessageW(es
->hwndSelf
, WM_CLEAR
, 0, 0);
3250 EDIT_EM_SetSel(es
, 0, (UINT
)-1, FALSE
);
3251 EDIT_EM_ScrollCaret(es
);
3254 ERR("unknown menu item, please report\n");
3260 /*********************************************************************
3264 * Note: the resource files resource/sysres_??.rc cannot define a
3265 * single popup menu. Hence we use a (dummy) menubar
3266 * containing the single popup menu as its first item.
3268 * FIXME: the message identifiers have been chosen arbitrarily,
3269 * hence we use MF_BYPOSITION.
3270 * We might as well use the "real" values (anybody knows ?)
3271 * The menu definition is in resources/sysres_??.rc.
3272 * Once these are OK, we better use MF_BYCOMMAND here
3273 * (as we do in EDIT_WM_Command()).
3276 static void EDIT_WM_ContextMenu(EDITSTATE
*es
, INT x
, INT y
)
3278 HMENU menu
= LoadMenuA(user32_module
, "EDITMENU");
3279 HMENU popup
= GetSubMenu(menu
, 0);
3280 UINT start
= es
->selection_start
;
3281 UINT end
= es
->selection_end
;
3283 ORDER_UINT(start
, end
);
3286 EnableMenuItem(popup
, 0, MF_BYPOSITION
| (EDIT_EM_CanUndo(es
) && !(es
->style
& ES_READONLY
) ? MF_ENABLED
: MF_GRAYED
));
3288 EnableMenuItem(popup
, 2, MF_BYPOSITION
| ((end
- start
) && !(es
->style
& ES_PASSWORD
) && !(es
->style
& ES_READONLY
) ? MF_ENABLED
: MF_GRAYED
));
3290 EnableMenuItem(popup
, 3, MF_BYPOSITION
| ((end
- start
) && !(es
->style
& ES_PASSWORD
) ? MF_ENABLED
: MF_GRAYED
));
3292 EnableMenuItem(popup
, 4, MF_BYPOSITION
| (IsClipboardFormatAvailable(CF_UNICODETEXT
) && !(es
->style
& ES_READONLY
) ? MF_ENABLED
: MF_GRAYED
));
3294 EnableMenuItem(popup
, 5, MF_BYPOSITION
| ((end
- start
) && !(es
->style
& ES_READONLY
) ? MF_ENABLED
: MF_GRAYED
));
3296 EnableMenuItem(popup
, 7, MF_BYPOSITION
| (start
|| (end
!= get_text_length(es
)) ? MF_ENABLED
: MF_GRAYED
));
3298 if (x
== -1 && y
== -1) /* passed via VK_APPS press/release */
3301 /* Windows places the menu at the edit's center in this case */
3302 WIN_GetRectangles( es
->hwndSelf
, COORDS_SCREEN
, NULL
, &rc
);
3303 x
= rc
.left
+ (rc
.right
- rc
.left
) / 2;
3304 y
= rc
.top
+ (rc
.bottom
- rc
.top
) / 2;
3307 if (!(es
->flags
& EF_FOCUSED
))
3308 SetFocus(es
->hwndSelf
);
3310 TrackPopupMenu(popup
, TPM_LEFTALIGN
| TPM_RIGHTBUTTON
, x
, y
, 0, es
->hwndSelf
, NULL
);
3315 /*********************************************************************
3320 static INT
EDIT_WM_GetText(const EDITSTATE
*es
, INT count
, LPWSTR dst
, BOOL unicode
)
3322 if(!count
) return 0;
3326 lstrcpynW(dst
, es
->text
, count
);
3327 return strlenW(dst
);
3331 LPSTR textA
= (LPSTR
)dst
;
3332 if (!WideCharToMultiByte(CP_ACP
, 0, es
->text
, -1, textA
, count
, NULL
, NULL
))
3333 textA
[count
- 1] = 0; /* ensure 0 termination */
3334 return strlen(textA
);
3338 /*********************************************************************
3343 static BOOL
EDIT_CheckCombo(EDITSTATE
*es
, UINT msg
, INT key
)
3345 HWND hLBox
= es
->hwndListBox
;
3353 hCombo
= GetParent(es
->hwndSelf
);
3357 TRACE_(combo
)("[%p]: handling msg %x (%x)\n", es
->hwndSelf
, msg
, key
);
3359 if (key
== VK_UP
|| key
== VK_DOWN
)
3361 if (SendMessageW(hCombo
, CB_GETEXTENDEDUI
, 0, 0))
3364 if (msg
== WM_KEYDOWN
|| nEUI
)
3365 bDropped
= (BOOL
)SendMessageW(hCombo
, CB_GETDROPPEDSTATE
, 0, 0);
3371 if (!bDropped
&& nEUI
&& (key
== VK_UP
|| key
== VK_DOWN
))
3373 /* make sure ComboLBox pops up */
3374 SendMessageW(hCombo
, CB_SETEXTENDEDUI
, FALSE
, 0);
3379 SendMessageW(hLBox
, WM_KEYDOWN
, key
, 0);
3382 case WM_SYSKEYDOWN
: /* Handle Alt+up/down arrows */
3384 SendMessageW(hCombo
, CB_SHOWDROPDOWN
, bDropped
? FALSE
: TRUE
, 0);
3386 SendMessageW(hLBox
, WM_KEYDOWN
, VK_F4
, 0);
3391 SendMessageW(hCombo
, CB_SETEXTENDEDUI
, TRUE
, 0);
3397 /*********************************************************************
3401 * Handling of special keys that don't produce a WM_CHAR
3402 * (i.e. non-printable keys) & Backspace & Delete
3405 static LRESULT
EDIT_WM_KeyDown(EDITSTATE
*es
, INT key
)
3410 if (GetKeyState(VK_MENU
) & 0x8000)
3413 shift
= GetKeyState(VK_SHIFT
) & 0x8000;
3414 control
= GetKeyState(VK_CONTROL
) & 0x8000;
3419 if (EDIT_CheckCombo(es
, WM_KEYDOWN
, key
) || key
== VK_F4
)
3424 if ((es
->style
& ES_MULTILINE
) && (key
== VK_UP
))
3425 EDIT_MoveUp_ML(es
, shift
);
3428 EDIT_MoveWordBackward(es
, shift
);
3430 EDIT_MoveBackward(es
, shift
);
3433 if (EDIT_CheckCombo(es
, WM_KEYDOWN
, key
))
3437 if ((es
->style
& ES_MULTILINE
) && (key
== VK_DOWN
))
3438 EDIT_MoveDown_ML(es
, shift
);
3440 EDIT_MoveWordForward(es
, shift
);
3442 EDIT_MoveForward(es
, shift
);
3445 EDIT_MoveHome(es
, shift
, control
);
3448 EDIT_MoveEnd(es
, shift
, control
);
3451 if (es
->style
& ES_MULTILINE
)
3452 EDIT_MovePageUp_ML(es
, shift
);
3454 EDIT_CheckCombo(es
, WM_KEYDOWN
, key
);
3457 if (es
->style
& ES_MULTILINE
)
3458 EDIT_MovePageDown_ML(es
, shift
);
3460 EDIT_CheckCombo(es
, WM_KEYDOWN
, key
);
3463 if (!(es
->style
& ES_READONLY
) && !(shift
&& control
)) {
3464 if (es
->selection_start
!= es
->selection_end
) {
3471 /* delete character left of caret */
3472 EDIT_EM_SetSel(es
, (UINT
)-1, 0, FALSE
);
3473 EDIT_MoveBackward(es
, TRUE
);
3475 } else if (control
) {
3476 /* delete to end of line */
3477 EDIT_EM_SetSel(es
, (UINT
)-1, 0, FALSE
);
3478 EDIT_MoveEnd(es
, TRUE
, FALSE
);
3481 /* delete character right of caret */
3482 EDIT_EM_SetSel(es
, (UINT
)-1, 0, FALSE
);
3483 EDIT_MoveForward(es
, TRUE
);
3491 if (!(es
->style
& ES_READONLY
))
3497 /* If the edit doesn't want the return send a message to the default object */
3498 if(!(es
->style
& ES_MULTILINE
) || !(es
->style
& ES_WANTRETURN
))
3502 if (!EDIT_IsInsideDialog(es
)) break;
3504 dw
= SendMessageW(es
->hwndParent
, DM_GETDEFID
, 0, 0);
3505 if (HIWORD(dw
) == DC_HASDEFID
)
3507 HWND hwDefCtrl
= GetDlgItem(es
->hwndParent
, LOWORD(dw
));
3510 SendMessageW(es
->hwndParent
, WM_NEXTDLGCTL
, (WPARAM
)hwDefCtrl
, TRUE
);
3511 PostMessageW(hwDefCtrl
, WM_KEYDOWN
, VK_RETURN
, 0);
3517 if ((es
->style
& ES_MULTILINE
) && EDIT_IsInsideDialog(es
))
3518 PostMessageW(es
->hwndParent
, WM_CLOSE
, 0, 0);
3521 if ((es
->style
& ES_MULTILINE
) && EDIT_IsInsideDialog(es
))
3522 SendMessageW(es
->hwndParent
, WM_NEXTDLGCTL
, shift
, 0);
3529 /*********************************************************************
3534 static LRESULT
EDIT_WM_KillFocus(EDITSTATE
*es
)
3536 es
->flags
&= ~EF_FOCUSED
;
3538 if(!(es
->style
& ES_NOHIDESEL
))
3539 EDIT_InvalidateText(es
, es
->selection_start
, es
->selection_end
);
3540 EDIT_NOTIFY_PARENT(es
, EN_KILLFOCUS
);
3545 /*********************************************************************
3549 * The caret position has been set on the WM_LBUTTONDOWN message
3552 static LRESULT
EDIT_WM_LButtonDblClk(EDITSTATE
*es
)
3555 INT e
= es
->selection_end
;
3560 es
->bCaptureState
= TRUE
;
3561 SetCapture(es
->hwndSelf
);
3563 l
= EDIT_EM_LineFromChar(es
, e
);
3564 li
= EDIT_EM_LineIndex(es
, l
);
3565 ll
= EDIT_EM_LineLength(es
, e
);
3566 s
= li
+ EDIT_CallWordBreakProc(es
, li
, e
- li
, ll
, WB_LEFT
);
3567 e
= li
+ EDIT_CallWordBreakProc(es
, li
, e
- li
, ll
, WB_RIGHT
);
3568 EDIT_EM_SetSel(es
, s
, e
, FALSE
);
3569 EDIT_EM_ScrollCaret(es
);
3570 es
->region_posx
= es
->region_posy
= 0;
3571 SetTimer(es
->hwndSelf
, 0, 100, NULL
);
3576 /*********************************************************************
3581 static LRESULT
EDIT_WM_LButtonDown(EDITSTATE
*es
, DWORD keys
, INT x
, INT y
)
3586 es
->bCaptureState
= TRUE
;
3587 SetCapture(es
->hwndSelf
);
3588 EDIT_ConfinePoint(es
, &x
, &y
);
3589 e
= EDIT_CharFromPos(es
, x
, y
, &after_wrap
);
3590 EDIT_EM_SetSel(es
, (keys
& MK_SHIFT
) ? es
->selection_start
: e
, e
, after_wrap
);
3591 EDIT_EM_ScrollCaret(es
);
3592 es
->region_posx
= es
->region_posy
= 0;
3593 SetTimer(es
->hwndSelf
, 0, 100, NULL
);
3595 if (!(es
->flags
& EF_FOCUSED
))
3596 SetFocus(es
->hwndSelf
);
3602 /*********************************************************************
3607 static LRESULT
EDIT_WM_LButtonUp(EDITSTATE
*es
)
3609 if (es
->bCaptureState
) {
3610 KillTimer(es
->hwndSelf
, 0);
3611 if (GetCapture() == es
->hwndSelf
) ReleaseCapture();
3613 es
->bCaptureState
= FALSE
;
3618 /*********************************************************************
3623 static LRESULT
EDIT_WM_MButtonDown(EDITSTATE
*es
)
3625 SendMessageW(es
->hwndSelf
, WM_PASTE
, 0, 0);
3630 /*********************************************************************
3635 static LRESULT
EDIT_WM_MouseMove(EDITSTATE
*es
, INT x
, INT y
)
3641 /* If the mouse has been captured by process other than the edit control itself,
3642 * the windows edit controls will not select the strings with mouse move.
3644 if (!es
->bCaptureState
|| GetCapture() != es
->hwndSelf
)
3648 * FIXME: gotta do some scrolling if outside client
3649 * area. Maybe reset the timer ?
3652 EDIT_ConfinePoint(es
, &x
, &y
);
3653 es
->region_posx
= (prex
< x
) ? -1 : ((prex
> x
) ? 1 : 0);
3654 es
->region_posy
= (prey
< y
) ? -1 : ((prey
> y
) ? 1 : 0);
3655 e
= EDIT_CharFromPos(es
, x
, y
, &after_wrap
);
3656 EDIT_EM_SetSel(es
, es
->selection_start
, e
, after_wrap
);
3657 EDIT_SetCaretPos(es
,es
->selection_end
,es
->flags
& EF_AFTER_WRAP
);
3662 /*********************************************************************
3667 static void EDIT_WM_Paint(EDITSTATE
*es
, HDC hdc
)
3680 BOOL rev
= es
->bEnableState
&&
3681 ((es
->flags
& EF_FOCUSED
) ||
3682 (es
->style
& ES_NOHIDESEL
));
3683 dc
= hdc
? hdc
: BeginPaint(es
->hwndSelf
, &ps
);
3685 /* The dc we use for calculating may not be the one we paint into.
3686 This is the safest action. */
3687 EDIT_InvalidateUniscribeData(es
);
3688 GetClientRect(es
->hwndSelf
, &rcClient
);
3690 /* get the background brush */
3691 brush
= EDIT_NotifyCtlColor(es
, dc
);
3693 /* paint the border and the background */
3694 IntersectClipRect(dc
, rcClient
.left
, rcClient
.top
, rcClient
.right
, rcClient
.bottom
);
3696 if(es
->style
& WS_BORDER
) {
3697 bw
= GetSystemMetrics(SM_CXBORDER
);
3698 bh
= GetSystemMetrics(SM_CYBORDER
);
3700 if(es
->style
& ES_MULTILINE
) {
3701 if(es
->style
& WS_HSCROLL
) rc
.bottom
+=bh
;
3702 if(es
->style
& WS_VSCROLL
) rc
.right
+=bw
;
3705 /* Draw the frame. Same code as in nonclient.c */
3706 old_brush
= SelectObject(dc
, GetSysColorBrush(COLOR_WINDOWFRAME
));
3707 PatBlt(dc
, rc
.left
, rc
.top
, rc
.right
- rc
.left
, bh
, PATCOPY
);
3708 PatBlt(dc
, rc
.left
, rc
.top
, bw
, rc
.bottom
- rc
.top
, PATCOPY
);
3709 PatBlt(dc
, rc
.left
, rc
.bottom
- 1, rc
.right
- rc
.left
, -bw
, PATCOPY
);
3710 PatBlt(dc
, rc
.right
- 1, rc
.top
, -bw
, rc
.bottom
- rc
.top
, PATCOPY
);
3711 SelectObject(dc
, old_brush
);
3713 /* Keep the border clean */
3714 IntersectClipRect(dc
, rc
.left
+bw
, rc
.top
+bh
,
3715 max(rc
.right
-bw
, rc
.left
+bw
), max(rc
.bottom
-bh
, rc
.top
+bh
));
3718 GetClipBox(dc
, &rc
);
3719 FillRect(dc
, &rc
, brush
);
3721 IntersectClipRect(dc
, es
->format_rect
.left
,
3722 es
->format_rect
.top
,
3723 es
->format_rect
.right
,
3724 es
->format_rect
.bottom
);
3725 if (es
->style
& ES_MULTILINE
) {
3727 IntersectClipRect(dc
, rc
.left
, rc
.top
, rc
.right
, rc
.bottom
);
3730 old_font
= SelectObject(dc
, es
->font
);
3732 if (!es
->bEnableState
)
3733 SetTextColor(dc
, GetSysColor(COLOR_GRAYTEXT
));
3734 GetClipBox(dc
, &rcRgn
);
3735 if (es
->style
& ES_MULTILINE
) {
3736 INT vlc
= get_vertical_line_count(es
);
3737 for (i
= es
->y_offset
; i
<= min(es
->y_offset
+ vlc
, es
->y_offset
+ es
->line_count
- 1) ; i
++) {
3738 EDIT_UpdateUniscribeData(es
, dc
, i
);
3739 EDIT_GetLineRect(es
, i
, 0, -1, &rcLine
);
3740 if (IntersectRect(&rc
, &rcRgn
, &rcLine
))
3741 EDIT_PaintLine(es
, dc
, i
, rev
);
3744 EDIT_UpdateUniscribeData(es
, dc
, 0);
3745 EDIT_GetLineRect(es
, 0, 0, -1, &rcLine
);
3746 if (IntersectRect(&rc
, &rcRgn
, &rcLine
))
3747 EDIT_PaintLine(es
, dc
, 0, rev
);
3750 SelectObject(dc
, old_font
);
3753 EndPaint(es
->hwndSelf
, &ps
);
3757 /*********************************************************************
3762 static void EDIT_WM_SetFocus(EDITSTATE
*es
)
3764 es
->flags
|= EF_FOCUSED
;
3766 if (!(es
->style
& ES_NOHIDESEL
))
3767 EDIT_InvalidateText(es
, es
->selection_start
, es
->selection_end
);
3769 /* single line edit updates itself */
3770 if (!(es
->style
& ES_MULTILINE
))
3772 HDC hdc
= GetDC(es
->hwndSelf
);
3773 EDIT_WM_Paint(es
, hdc
);
3774 ReleaseDC(es
->hwndSelf
, hdc
);
3777 CreateCaret(es
->hwndSelf
, 0, 1, es
->line_height
);
3778 EDIT_SetCaretPos(es
, es
->selection_end
,
3779 es
->flags
& EF_AFTER_WRAP
);
3780 ShowCaret(es
->hwndSelf
);
3781 EDIT_NOTIFY_PARENT(es
, EN_SETFOCUS
);
3785 /*********************************************************************
3789 * With Win95 look the margins are set to default font value unless
3790 * the system font (font == 0) is being set, in which case they are left
3794 static void EDIT_WM_SetFont(EDITSTATE
*es
, HFONT font
, BOOL redraw
)
3802 EDIT_InvalidateUniscribeData(es
);
3803 dc
= GetDC(es
->hwndSelf
);
3805 old_font
= SelectObject(dc
, font
);
3806 GetTextMetricsW(dc
, &tm
);
3807 es
->line_height
= tm
.tmHeight
;
3808 es
->char_width
= tm
.tmAveCharWidth
;
3810 SelectObject(dc
, old_font
);
3811 ReleaseDC(es
->hwndSelf
, dc
);
3813 /* Reset the format rect and the margins */
3814 GetClientRect(es
->hwndSelf
, &clientRect
);
3815 EDIT_SetRectNP(es
, &clientRect
);
3816 EDIT_EM_SetMargins(es
, EC_LEFTMARGIN
| EC_RIGHTMARGIN
,
3817 EC_USEFONTINFO
, EC_USEFONTINFO
, FALSE
);
3819 if (es
->style
& ES_MULTILINE
)
3820 EDIT_BuildLineDefs_ML(es
, 0, get_text_length(es
), 0, NULL
);
3822 EDIT_CalcLineWidth_SL(es
);
3825 EDIT_UpdateText(es
, NULL
, TRUE
);
3826 if (es
->flags
& EF_FOCUSED
) {
3828 CreateCaret(es
->hwndSelf
, 0, 1, es
->line_height
);
3829 EDIT_SetCaretPos(es
, es
->selection_end
,
3830 es
->flags
& EF_AFTER_WRAP
);
3831 ShowCaret(es
->hwndSelf
);
3836 /*********************************************************************
3841 * For multiline controls (ES_MULTILINE), reception of WM_SETTEXT triggers:
3842 * The modified flag is reset. No notifications are sent.
3844 * For single-line controls, reception of WM_SETTEXT triggers:
3845 * The modified flag is reset. EN_UPDATE and EN_CHANGE notifications are sent.
3848 static void EDIT_WM_SetText(EDITSTATE
*es
, LPCWSTR text
, BOOL unicode
)
3850 LPWSTR textW
= NULL
;
3851 if (!unicode
&& text
)
3853 LPCSTR textA
= (LPCSTR
)text
;
3854 INT countW
= MultiByteToWideChar(CP_ACP
, 0, textA
, -1, NULL
, 0);
3855 textW
= HeapAlloc(GetProcessHeap(), 0, countW
* sizeof(WCHAR
));
3857 MultiByteToWideChar(CP_ACP
, 0, textA
, -1, textW
, countW
);
3861 if (es
->flags
& EF_UPDATE
)
3862 /* fixed this bug once; complain if we see it about to happen again. */
3863 ERR("SetSel may generate UPDATE message whose handler may reset "
3866 EDIT_EM_SetSel(es
, 0, (UINT
)-1, FALSE
);
3869 TRACE("%s\n", debugstr_w(text
));
3870 EDIT_EM_ReplaceSel(es
, FALSE
, text
, FALSE
, FALSE
);
3872 HeapFree(GetProcessHeap(), 0, textW
);
3877 EDIT_EM_ReplaceSel(es
, FALSE
, empty_stringW
, FALSE
, FALSE
);
3880 es
->flags
&= ~EF_MODIFIED
;
3881 EDIT_EM_SetSel(es
, 0, 0, FALSE
);
3883 /* Send the notification after the selection start and end have been set
3884 * edit control doesn't send notification on WM_SETTEXT
3885 * if it is multiline, or it is part of combobox
3887 if( !((es
->style
& ES_MULTILINE
) || es
->hwndListBox
))
3889 EDIT_NOTIFY_PARENT(es
, EN_UPDATE
);
3890 EDIT_NOTIFY_PARENT(es
, EN_CHANGE
);
3892 EDIT_EM_ScrollCaret(es
);
3893 EDIT_UpdateScrollInfo(es
);
3894 EDIT_InvalidateUniscribeData(es
);
3898 /*********************************************************************
3903 static void EDIT_WM_Size(EDITSTATE
*es
, UINT action
, INT width
, INT height
)
3905 if ((action
== SIZE_MAXIMIZED
) || (action
== SIZE_RESTORED
)) {
3907 TRACE("width = %d, height = %d\n", width
, height
);
3908 SetRect(&rc
, 0, 0, width
, height
);
3909 EDIT_SetRectNP(es
, &rc
);
3910 EDIT_UpdateText(es
, NULL
, TRUE
);
3915 /*********************************************************************
3919 * This message is sent by SetWindowLong on having changed either the Style
3920 * or the extended style.
3922 * We ensure that the window's version of the styles and the EDITSTATE's agree.
3924 * See also EDIT_WM_NCCreate
3926 * It appears that the Windows version of the edit control allows the style
3927 * (as retrieved by GetWindowLong) to be any value and maintains an internal
3928 * style variable which will generally be different. In this function we
3929 * update the internal style based on what changed in the externally visible
3932 * Much of this content as based upon the MSDN, especially:
3933 * Platform SDK Documentation -> User Interface Services ->
3934 * Windows User Interface -> Edit Controls -> Edit Control Reference ->
3935 * Edit Control Styles
3937 static LRESULT
EDIT_WM_StyleChanged ( EDITSTATE
*es
, WPARAM which
, const STYLESTRUCT
*style
)
3939 if (GWL_STYLE
== which
) {
3940 DWORD style_change_mask
;
3942 /* Only a subset of changes can be applied after the control
3945 style_change_mask
= ES_UPPERCASE
| ES_LOWERCASE
|
3947 if (es
->style
& ES_MULTILINE
)
3948 style_change_mask
|= ES_WANTRETURN
;
3950 new_style
= style
->styleNew
& style_change_mask
;
3952 /* Number overrides lowercase overrides uppercase (at least it
3953 * does in Win95). However I'll bet that ES_NUMBER would be
3954 * invalid under Win 3.1.
3956 if (new_style
& ES_NUMBER
) {
3957 ; /* do not override the ES_NUMBER */
3958 } else if (new_style
& ES_LOWERCASE
) {
3959 new_style
&= ~ES_UPPERCASE
;
3962 es
->style
= (es
->style
& ~style_change_mask
) | new_style
;
3963 } else if (GWL_EXSTYLE
== which
) {
3964 ; /* FIXME - what is needed here */
3966 WARN ("Invalid style change %ld\n",which
);
3972 /*********************************************************************
3977 static LRESULT
EDIT_WM_SysKeyDown(EDITSTATE
*es
, INT key
, DWORD key_data
)
3979 if ((key
== VK_BACK
) && (key_data
& 0x2000)) {
3980 if (EDIT_EM_CanUndo(es
))
3983 } else if (key
== VK_UP
|| key
== VK_DOWN
) {
3984 if (EDIT_CheckCombo(es
, WM_SYSKEYDOWN
, key
))
3987 return DefWindowProcW(es
->hwndSelf
, WM_SYSKEYDOWN
, key
, key_data
);
3991 /*********************************************************************
3996 static void EDIT_WM_Timer(EDITSTATE
*es
)
3998 if (es
->region_posx
< 0) {
3999 EDIT_MoveBackward(es
, TRUE
);
4000 } else if (es
->region_posx
> 0) {
4001 EDIT_MoveForward(es
, TRUE
);
4004 * FIXME: gotta do some vertical scrolling here, like
4005 * EDIT_EM_LineScroll(hwnd, 0, 1);
4009 /*********************************************************************
4014 static LRESULT
EDIT_WM_HScroll(EDITSTATE
*es
, INT action
, INT pos
)
4019 if (!(es
->style
& ES_MULTILINE
))
4022 if (!(es
->style
& ES_AUTOHSCROLL
))
4026 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
4029 TRACE("SB_LINELEFT\n");
4031 dx
= -es
->char_width
;
4034 TRACE("SB_LINERIGHT\n");
4035 if (es
->x_offset
< es
->text_width
)
4036 dx
= es
->char_width
;
4039 TRACE("SB_PAGELEFT\n");
4041 dx
= -fw
/ HSCROLL_FRACTION
/ es
->char_width
* es
->char_width
;
4044 TRACE("SB_PAGERIGHT\n");
4045 if (es
->x_offset
< es
->text_width
)
4046 dx
= fw
/ HSCROLL_FRACTION
/ es
->char_width
* es
->char_width
;
4054 TRACE("SB_RIGHT\n");
4055 if (es
->x_offset
< es
->text_width
)
4056 dx
= es
->text_width
- es
->x_offset
;
4059 TRACE("SB_THUMBTRACK %d\n", pos
);
4060 es
->flags
|= EF_HSCROLL_TRACK
;
4061 if(es
->style
& WS_HSCROLL
)
4062 dx
= pos
- es
->x_offset
;
4067 if(pos
< 0 || pos
> 100) return 0;
4068 /* Assume default scroll range 0-100 */
4069 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
4070 new_x
= pos
* (es
->text_width
- fw
) / 100;
4071 dx
= es
->text_width
? (new_x
- es
->x_offset
) : 0;
4074 case SB_THUMBPOSITION
:
4075 TRACE("SB_THUMBPOSITION %d\n", pos
);
4076 es
->flags
&= ~EF_HSCROLL_TRACK
;
4077 if(GetWindowLongW( es
->hwndSelf
, GWL_STYLE
) & WS_HSCROLL
)
4078 dx
= pos
- es
->x_offset
;
4083 if(pos
< 0 || pos
> 100) return 0;
4084 /* Assume default scroll range 0-100 */
4085 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
4086 new_x
= pos
* (es
->text_width
- fw
) / 100;
4087 dx
= es
->text_width
? (new_x
- es
->x_offset
) : 0;
4090 /* force scroll info update */
4091 EDIT_UpdateScrollInfo(es
);
4092 EDIT_NOTIFY_PARENT(es
, EN_HSCROLL
);
4096 TRACE("SB_ENDSCROLL\n");
4099 * FIXME : the next two are undocumented !
4100 * Are we doing the right thing ?
4101 * At least Win 3.1 Notepad makes use of EM_GETTHUMB this way,
4102 * although it's also a regular control message.
4104 case EM_GETTHUMB
: /* this one is used by NT notepad */
4107 if(GetWindowLongW( es
->hwndSelf
, GWL_STYLE
) & WS_HSCROLL
)
4108 ret
= GetScrollPos(es
->hwndSelf
, SB_HORZ
);
4111 /* Assume default scroll range 0-100 */
4112 INT fw
= es
->format_rect
.right
- es
->format_rect
.left
;
4113 ret
= es
->text_width
? es
->x_offset
* 100 / (es
->text_width
- fw
) : 0;
4115 TRACE("EM_GETTHUMB: returning %ld\n", ret
);
4119 TRACE("EM_LINESCROLL16\n");
4124 ERR("undocumented WM_HSCROLL action %d (0x%04x), please report\n",
4130 INT fw
= es
->format_rect
.right
- es
->format_rect
.left
;
4131 /* check if we are going to move too far */
4132 if(es
->x_offset
+ dx
+ fw
> es
->text_width
)
4133 dx
= es
->text_width
- fw
- es
->x_offset
;
4135 EDIT_EM_LineScroll_internal(es
, dx
, 0);
4141 /*********************************************************************
4146 static LRESULT
EDIT_WM_VScroll(EDITSTATE
*es
, INT action
, INT pos
)
4150 if (!(es
->style
& ES_MULTILINE
))
4153 if (!(es
->style
& ES_AUTOVSCROLL
))
4162 TRACE("action %d (%s)\n", action
, (action
== SB_LINEUP
? "SB_LINEUP" :
4163 (action
== SB_LINEDOWN
? "SB_LINEDOWN" :
4164 (action
== SB_PAGEUP
? "SB_PAGEUP" :
4166 EDIT_EM_Scroll(es
, action
);
4173 TRACE("SB_BOTTOM\n");
4174 dy
= es
->line_count
- 1 - es
->y_offset
;
4177 TRACE("SB_THUMBTRACK %d\n", pos
);
4178 es
->flags
|= EF_VSCROLL_TRACK
;
4179 if(es
->style
& WS_VSCROLL
)
4180 dy
= pos
- es
->y_offset
;
4183 /* Assume default scroll range 0-100 */
4186 if(pos
< 0 || pos
> 100) return 0;
4187 vlc
= get_vertical_line_count(es
);
4188 new_y
= pos
* (es
->line_count
- vlc
) / 100;
4189 dy
= es
->line_count
? (new_y
- es
->y_offset
) : 0;
4190 TRACE("line_count=%d, y_offset=%d, pos=%d, dy = %d\n",
4191 es
->line_count
, es
->y_offset
, pos
, dy
);
4194 case SB_THUMBPOSITION
:
4195 TRACE("SB_THUMBPOSITION %d\n", pos
);
4196 es
->flags
&= ~EF_VSCROLL_TRACK
;
4197 if(es
->style
& WS_VSCROLL
)
4198 dy
= pos
- es
->y_offset
;
4201 /* Assume default scroll range 0-100 */
4204 if(pos
< 0 || pos
> 100) return 0;
4205 vlc
= get_vertical_line_count(es
);
4206 new_y
= pos
* (es
->line_count
- vlc
) / 100;
4207 dy
= es
->line_count
? (new_y
- es
->y_offset
) : 0;
4208 TRACE("line_count=%d, y_offset=%d, pos=%d, dy = %d\n",
4209 es
->line_count
, es
->y_offset
, pos
, dy
);
4213 /* force scroll info update */
4214 EDIT_UpdateScrollInfo(es
);
4215 EDIT_NOTIFY_PARENT(es
, EN_VSCROLL
);
4219 TRACE("SB_ENDSCROLL\n");
4222 * FIXME : the next two are undocumented !
4223 * Are we doing the right thing ?
4224 * At least Win 3.1 Notepad makes use of EM_GETTHUMB this way,
4225 * although it's also a regular control message.
4227 case EM_GETTHUMB
: /* this one is used by NT notepad */
4230 if(GetWindowLongW( es
->hwndSelf
, GWL_STYLE
) & WS_VSCROLL
)
4231 ret
= GetScrollPos(es
->hwndSelf
, SB_VERT
);
4234 /* Assume default scroll range 0-100 */
4235 INT vlc
= get_vertical_line_count(es
);
4236 ret
= es
->line_count
? es
->y_offset
* 100 / (es
->line_count
- vlc
) : 0;
4238 TRACE("EM_GETTHUMB: returning %ld\n", ret
);
4242 TRACE("EM_LINESCROLL %d\n", pos
);
4247 ERR("undocumented WM_VSCROLL action %d (0x%04x), please report\n",
4252 EDIT_EM_LineScroll(es
, 0, dy
);
4256 /*********************************************************************
4260 * FIXME: is this right ? (or should it be only VSCROLL)
4261 * (and maybe only for edit controls that really have their
4262 * own scrollbars) (and maybe only for multiline controls ?)
4263 * All in all: very poorly documented
4266 static LRESULT
EDIT_EM_GetThumb(EDITSTATE
*es
)
4268 return MAKELONG(EDIT_WM_VScroll(es
, EM_GETTHUMB
, 0),
4269 EDIT_WM_HScroll(es
, EM_GETTHUMB
, 0));
4273 /********************************************************************
4275 * The Following code is to handle inline editing from IMEs
4278 static void EDIT_GetCompositionStr(HIMC hIMC
, LPARAM CompFlag
, EDITSTATE
*es
)
4281 LPWSTR lpCompStr
= NULL
;
4282 LPSTR lpCompStrAttr
= NULL
;
4285 buflen
= ImmGetCompositionStringW(hIMC
, GCS_COMPSTR
, NULL
, 0);
4292 lpCompStr
= HeapAlloc(GetProcessHeap(),0,buflen
+ sizeof(WCHAR
));
4295 ERR("Unable to allocate IME CompositionString\n");
4300 ImmGetCompositionStringW(hIMC
, GCS_COMPSTR
, lpCompStr
, buflen
);
4301 lpCompStr
[buflen
/sizeof(WCHAR
)] = 0;
4303 if (CompFlag
& GCS_COMPATTR
)
4306 * We do not use the attributes yet. it would tell us what characters
4307 * are in transition and which are converted or decided upon
4309 dwBufLenAttr
= ImmGetCompositionStringW(hIMC
, GCS_COMPATTR
, NULL
, 0);
4313 lpCompStrAttr
= HeapAlloc(GetProcessHeap(),0,dwBufLenAttr
+1);
4316 ERR("Unable to allocate IME Attribute String\n");
4317 HeapFree(GetProcessHeap(),0,lpCompStr
);
4320 ImmGetCompositionStringW(hIMC
,GCS_COMPATTR
, lpCompStrAttr
,
4322 lpCompStrAttr
[dwBufLenAttr
] = 0;
4325 lpCompStrAttr
= NULL
;
4328 /* check for change in composition start */
4329 if (es
->selection_end
< es
->composition_start
)
4330 es
->composition_start
= es
->selection_end
;
4332 /* replace existing selection string */
4333 es
->selection_start
= es
->composition_start
;
4335 if (es
->composition_len
> 0)
4336 es
->selection_end
= es
->composition_start
+ es
->composition_len
;
4338 es
->selection_end
= es
->selection_start
;
4340 EDIT_EM_ReplaceSel(es
, FALSE
, lpCompStr
, TRUE
, TRUE
);
4341 es
->composition_len
= abs(es
->composition_start
- es
->selection_end
);
4343 es
->selection_start
= es
->composition_start
;
4344 es
->selection_end
= es
->selection_start
+ es
->composition_len
;
4346 HeapFree(GetProcessHeap(),0,lpCompStrAttr
);
4347 HeapFree(GetProcessHeap(),0,lpCompStr
);
4350 static void EDIT_GetResultStr(HIMC hIMC
, EDITSTATE
*es
)
4355 buflen
= ImmGetCompositionStringW(hIMC
, GCS_RESULTSTR
, NULL
, 0);
4361 lpResultStr
= HeapAlloc(GetProcessHeap(),0, buflen
+sizeof(WCHAR
));
4364 ERR("Unable to alloc buffer for IME string\n");
4368 ImmGetCompositionStringW(hIMC
, GCS_RESULTSTR
, lpResultStr
, buflen
);
4369 lpResultStr
[buflen
/sizeof(WCHAR
)] = 0;
4371 /* check for change in composition start */
4372 if (es
->selection_end
< es
->composition_start
)
4373 es
->composition_start
= es
->selection_end
;
4375 es
->selection_start
= es
->composition_start
;
4376 es
->selection_end
= es
->composition_start
+ es
->composition_len
;
4377 EDIT_EM_ReplaceSel(es
, TRUE
, lpResultStr
, TRUE
, TRUE
);
4378 es
->composition_start
= es
->selection_end
;
4379 es
->composition_len
= 0;
4381 HeapFree(GetProcessHeap(),0,lpResultStr
);
4384 static void EDIT_ImeComposition(HWND hwnd
, LPARAM CompFlag
, EDITSTATE
*es
)
4389 if (es
->composition_len
== 0 && es
->selection_start
!= es
->selection_end
)
4391 EDIT_EM_ReplaceSel(es
, TRUE
, empty_stringW
, TRUE
, TRUE
);
4392 es
->composition_start
= es
->selection_end
;
4395 hIMC
= ImmGetContext(hwnd
);
4399 if (CompFlag
& GCS_RESULTSTR
)
4400 EDIT_GetResultStr(hIMC
, es
);
4401 if (CompFlag
& GCS_COMPSTR
)
4402 EDIT_GetCompositionStr(hIMC
, CompFlag
, es
);
4403 cursor
= ImmGetCompositionStringW(hIMC
, GCS_CURSORPOS
, 0, 0);
4404 ImmReleaseContext(hwnd
, hIMC
);
4405 EDIT_SetCaretPos(es
, es
->selection_start
+ cursor
, es
->flags
& EF_AFTER_WRAP
);
4409 /*********************************************************************
4413 * See also EDIT_WM_StyleChanged
4415 static LRESULT
EDIT_WM_NCCreate(HWND hwnd
, LPCREATESTRUCTW lpcs
, BOOL unicode
)
4420 TRACE("Creating %s edit control, style = %08x\n",
4421 unicode
? "Unicode" : "ANSI", lpcs
->style
);
4423 if (!(es
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(*es
))))
4425 SetWindowLongPtrW( hwnd
, 0, (LONG_PTR
)es
);
4428 * Note: since the EDITSTATE has not been fully initialized yet,
4429 * we can't use any API calls that may send
4430 * WM_XXX messages before WM_NCCREATE is completed.
4433 es
->is_unicode
= unicode
;
4434 es
->style
= lpcs
->style
;
4436 es
->bEnableState
= !(es
->style
& WS_DISABLED
);
4438 es
->hwndSelf
= hwnd
;
4439 /* Save parent, which will be notified by EN_* messages */
4440 es
->hwndParent
= lpcs
->hwndParent
;
4442 if (es
->style
& ES_COMBO
)
4443 es
->hwndListBox
= GetDlgItem(es
->hwndParent
, ID_CB_LISTBOX
);
4445 /* FIXME: should we handle changes to WS_EX_RIGHT style after creation? */
4446 if (lpcs
->dwExStyle
& WS_EX_RIGHT
) es
->style
|= ES_RIGHT
;
4448 /* Number overrides lowercase overrides uppercase (at least it
4449 * does in Win95). However I'll bet that ES_NUMBER would be
4450 * invalid under Win 3.1.
4452 if (es
->style
& ES_NUMBER
) {
4453 ; /* do not override the ES_NUMBER */
4454 } else if (es
->style
& ES_LOWERCASE
) {
4455 es
->style
&= ~ES_UPPERCASE
;
4457 if (es
->style
& ES_MULTILINE
) {
4458 es
->buffer_limit
= BUFLIMIT_INITIAL
;
4459 if (es
->style
& WS_VSCROLL
)
4460 es
->style
|= ES_AUTOVSCROLL
;
4461 if (es
->style
& WS_HSCROLL
)
4462 es
->style
|= ES_AUTOHSCROLL
;
4463 es
->style
&= ~ES_PASSWORD
;
4464 if ((es
->style
& ES_CENTER
) || (es
->style
& ES_RIGHT
)) {
4465 /* Confirmed - RIGHT overrides CENTER */
4466 if (es
->style
& ES_RIGHT
)
4467 es
->style
&= ~ES_CENTER
;
4468 es
->style
&= ~WS_HSCROLL
;
4469 es
->style
&= ~ES_AUTOHSCROLL
;
4472 es
->buffer_limit
= BUFLIMIT_INITIAL
;
4473 if ((es
->style
& ES_RIGHT
) && (es
->style
& ES_CENTER
))
4474 es
->style
&= ~ES_CENTER
;
4475 es
->style
&= ~WS_HSCROLL
;
4476 es
->style
&= ~WS_VSCROLL
;
4477 if (es
->style
& ES_PASSWORD
)
4478 es
->password_char
= '*';
4481 alloc_size
= ROUND_TO_GROW((es
->buffer_size
+ 1) * sizeof(WCHAR
));
4482 if(!(es
->hloc32W
= LocalAlloc(LMEM_MOVEABLE
| LMEM_ZEROINIT
, alloc_size
)))
4484 es
->buffer_size
= LocalSize(es
->hloc32W
)/sizeof(WCHAR
) - 1;
4486 if (!(es
->undo_text
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, (es
->buffer_size
+ 1) * sizeof(WCHAR
))))
4488 es
->undo_buffer_size
= es
->buffer_size
;
4490 if (es
->style
& ES_MULTILINE
)
4491 if (!(es
->first_line_def
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(LINEDEF
))))
4496 * In Win95 look and feel, the WS_BORDER style is replaced by the
4497 * WS_EX_CLIENTEDGE style for the edit control. This gives the edit
4498 * control a nonclient area so we don't need to draw the border.
4499 * If WS_BORDER without WS_EX_CLIENTEDGE is specified we shouldn't have
4500 * a nonclient area and we should handle painting the border ourselves.
4502 * When making modifications please ensure that the code still works
4503 * for edit controls created directly with style 0x50800000, exStyle 0
4504 * (which should have a single pixel border)
4506 if (lpcs
->dwExStyle
& WS_EX_CLIENTEDGE
)
4507 es
->style
&= ~WS_BORDER
;
4508 else if (es
->style
& WS_BORDER
)
4509 SetWindowLongW(hwnd
, GWL_STYLE
, es
->style
& ~WS_BORDER
);
4514 SetWindowLongPtrW(es
->hwndSelf
, 0, 0);
4515 EDIT_InvalidateUniscribeData(es
);
4516 HeapFree(GetProcessHeap(), 0, es
->first_line_def
);
4517 HeapFree(GetProcessHeap(), 0, es
->undo_text
);
4518 if (es
->hloc32W
) LocalFree(es
->hloc32W
);
4519 HeapFree(GetProcessHeap(), 0, es
->logAttr
);
4520 HeapFree(GetProcessHeap(), 0, es
);
4525 /*********************************************************************
4530 static LRESULT
EDIT_WM_Create(EDITSTATE
*es
, LPCWSTR name
)
4534 TRACE("%s\n", debugstr_w(name
));
4536 * To initialize some final structure members, we call some helper
4537 * functions. However, since the EDITSTATE is not consistent (i.e.
4538 * not fully initialized), we should be very careful which
4539 * functions can be called, and in what order.
4541 EDIT_WM_SetFont(es
, 0, FALSE
);
4542 EDIT_EM_EmptyUndoBuffer(es
);
4544 /* We need to calculate the format rect
4545 (applications may send EM_SETMARGINS before the control gets visible) */
4546 GetClientRect(es
->hwndSelf
, &clientRect
);
4547 EDIT_SetRectNP(es
, &clientRect
);
4549 if (name
&& *name
) {
4550 EDIT_EM_ReplaceSel(es
, FALSE
, name
, FALSE
, FALSE
);
4551 /* if we insert text to the editline, the text scrolls out
4552 * of the window, as the caret is placed after the insert
4553 * pos normally; thus we reset es->selection... to 0 and
4556 es
->selection_start
= es
->selection_end
= 0;
4557 /* Adobe Photoshop does NOT like this. and MSDN says that EN_CHANGE
4558 * Messages are only to be sent when the USER does something to
4559 * change the contents. So I am removing this EN_CHANGE
4561 * EDIT_NOTIFY_PARENT(es, EN_CHANGE);
4563 EDIT_EM_ScrollCaret(es
);
4565 /* force scroll info update */
4566 EDIT_UpdateScrollInfo(es
);
4567 /* The rule seems to return 1 here for success */
4568 /* Power Builder masked edit controls will crash */
4570 /* FIXME: is that in all cases so ? */
4575 /*********************************************************************
4580 static LRESULT
EDIT_WM_NCDestroy(EDITSTATE
*es
)
4585 LocalFree(es
->hloc32W
);
4588 LocalFree(es
->hloc32A
);
4590 pc
= es
->first_line_def
;
4594 HeapFree(GetProcessHeap(), 0, pc
);
4598 SetWindowLongPtrW( es
->hwndSelf
, 0, 0 );
4599 HeapFree(GetProcessHeap(), 0, es
->undo_text
);
4600 HeapFree(GetProcessHeap(), 0, es
);
4606 static inline LRESULT
DefWindowProcT(HWND hwnd
, UINT msg
, WPARAM wParam
, LPARAM lParam
, BOOL unicode
)
4609 return DefWindowProcW(hwnd
, msg
, wParam
, lParam
);
4611 return DefWindowProcA(hwnd
, msg
, wParam
, lParam
);
4614 /*********************************************************************
4616 * EditWndProc_common
4618 * The messages are in the order of the actual integer values
4619 * (which can be found in include/windows.h)
4621 LRESULT
EditWndProc_common( HWND hwnd
, UINT msg
, WPARAM wParam
, LPARAM lParam
, BOOL unicode
)
4623 EDITSTATE
*es
= (EDITSTATE
*)GetWindowLongPtrW( hwnd
, 0 );
4626 TRACE("hwnd=%p msg=%x (%s) wparam=%lx lparam=%lx\n", hwnd
, msg
, SPY_GetMsgName(msg
, hwnd
), wParam
, lParam
);
4628 if (!es
&& msg
!= WM_NCCREATE
)
4629 return DefWindowProcT(hwnd
, msg
, wParam
, lParam
, unicode
);
4631 if (es
&& (msg
!= WM_NCDESTROY
)) EDIT_LockBuffer(es
);
4635 result
= EDIT_EM_GetSel(es
, (PUINT
)wParam
, (PUINT
)lParam
);
4639 EDIT_EM_SetSel(es
, wParam
, lParam
, FALSE
);
4640 EDIT_EM_ScrollCaret(es
);
4646 CopyRect((LPRECT
)lParam
, &es
->format_rect
);
4650 if ((es
->style
& ES_MULTILINE
) && lParam
) {
4651 EDIT_SetRectNP(es
, (LPRECT
)lParam
);
4652 EDIT_UpdateText(es
, NULL
, TRUE
);
4657 if ((es
->style
& ES_MULTILINE
) && lParam
)
4658 EDIT_SetRectNP(es
, (LPRECT
)lParam
);
4662 result
= EDIT_EM_Scroll(es
, (INT
)wParam
);
4666 result
= (LRESULT
)EDIT_EM_LineScroll(es
, (INT
)wParam
, (INT
)lParam
);
4669 case EM_SCROLLCARET
:
4670 EDIT_EM_ScrollCaret(es
);
4675 result
= ((es
->flags
& EF_MODIFIED
) != 0);
4680 es
->flags
|= EF_MODIFIED
;
4682 es
->flags
&= ~(EF_MODIFIED
| EF_UPDATE
); /* reset pending updates */
4685 case EM_GETLINECOUNT
:
4686 result
= (es
->style
& ES_MULTILINE
) ? es
->line_count
: 1;
4690 result
= (LRESULT
)EDIT_EM_LineIndex(es
, (INT
)wParam
);
4694 EDIT_EM_SetHandle(es
, (HLOCAL
)wParam
);
4698 result
= (LRESULT
)EDIT_EM_GetHandle(es
);
4702 result
= EDIT_EM_GetThumb(es
);
4705 /* these messages missing from specs */
4710 FIXME("undocumented message 0x%x, please report\n", msg
);
4711 result
= DefWindowProcW(hwnd
, msg
, wParam
, lParam
);
4715 result
= (LRESULT
)EDIT_EM_LineLength(es
, (INT
)wParam
);
4723 textW
= (LPWSTR
)lParam
;
4726 LPSTR textA
= (LPSTR
)lParam
;
4727 INT countW
= MultiByteToWideChar(CP_ACP
, 0, textA
, -1, NULL
, 0);
4728 if (!(textW
= HeapAlloc(GetProcessHeap(), 0, countW
* sizeof(WCHAR
)))) break;
4729 MultiByteToWideChar(CP_ACP
, 0, textA
, -1, textW
, countW
);
4732 EDIT_EM_ReplaceSel(es
, (BOOL
)wParam
, textW
, TRUE
, TRUE
);
4736 HeapFree(GetProcessHeap(), 0, textW
);
4741 result
= (LRESULT
)EDIT_EM_GetLine(es
, (INT
)wParam
, (LPWSTR
)lParam
, unicode
);
4744 case EM_SETLIMITTEXT
:
4745 EDIT_EM_SetLimitText(es
, wParam
);
4749 result
= (LRESULT
)EDIT_EM_CanUndo(es
);
4754 result
= (LRESULT
)EDIT_EM_Undo(es
);
4758 result
= (LRESULT
)EDIT_EM_FmtLines(es
, (BOOL
)wParam
);
4761 case EM_LINEFROMCHAR
:
4762 result
= (LRESULT
)EDIT_EM_LineFromChar(es
, (INT
)wParam
);
4765 case EM_SETTABSTOPS
:
4766 result
= (LRESULT
)EDIT_EM_SetTabStops(es
, (INT
)wParam
, (LPINT
)lParam
);
4769 case EM_SETPASSWORDCHAR
:
4774 charW
= (WCHAR
)wParam
;
4777 CHAR charA
= wParam
;
4778 MultiByteToWideChar(CP_ACP
, 0, &charA
, 1, &charW
, 1);
4781 EDIT_EM_SetPasswordChar(es
, charW
);
4785 case EM_EMPTYUNDOBUFFER
:
4786 EDIT_EM_EmptyUndoBuffer(es
);
4789 case EM_GETFIRSTVISIBLELINE
:
4790 result
= (es
->style
& ES_MULTILINE
) ? es
->y_offset
: es
->x_offset
;
4793 case EM_SETREADONLY
:
4795 DWORD old_style
= es
->style
;
4798 SetWindowLongW( hwnd
, GWL_STYLE
,
4799 GetWindowLongW( hwnd
, GWL_STYLE
) | ES_READONLY
);
4800 es
->style
|= ES_READONLY
;
4802 SetWindowLongW( hwnd
, GWL_STYLE
,
4803 GetWindowLongW( hwnd
, GWL_STYLE
) & ~ES_READONLY
);
4804 es
->style
&= ~ES_READONLY
;
4807 if (old_style
^ es
->style
)
4808 InvalidateRect(es
->hwndSelf
, NULL
, TRUE
);
4814 case EM_SETWORDBREAKPROC
:
4815 EDIT_EM_SetWordBreakProc(es
, (void *)lParam
);
4818 case EM_GETWORDBREAKPROC
:
4819 result
= (LRESULT
)es
->word_break_proc
;
4822 case EM_GETPASSWORDCHAR
:
4825 result
= es
->password_char
;
4828 WCHAR charW
= es
->password_char
;
4830 WideCharToMultiByte(CP_ACP
, 0, &charW
, 1, &charA
, 1, NULL
, NULL
);
4837 EDIT_EM_SetMargins(es
, (INT
)wParam
, LOWORD(lParam
), HIWORD(lParam
), TRUE
);
4841 result
= MAKELONG(es
->left_margin
, es
->right_margin
);
4844 case EM_GETLIMITTEXT
:
4845 result
= es
->buffer_limit
;
4848 case EM_POSFROMCHAR
:
4849 if ((INT
)wParam
>= get_text_length(es
)) result
= -1;
4850 else result
= EDIT_EM_PosFromChar(es
, (INT
)wParam
, FALSE
);
4853 case EM_CHARFROMPOS
:
4854 result
= EDIT_EM_CharFromPos(es
, (short)LOWORD(lParam
), (short)HIWORD(lParam
));
4857 /* End of the EM_ messages which were in numerical order; what order
4858 * are these in? vaguely alphabetical?
4862 result
= EDIT_WM_NCCreate(hwnd
, (LPCREATESTRUCTW
)lParam
, unicode
);
4866 result
= EDIT_WM_NCDestroy(es
);
4871 result
= DLGC_HASSETSEL
| DLGC_WANTCHARS
| DLGC_WANTARROWS
;
4873 if (es
->style
& ES_MULTILINE
)
4874 result
|= DLGC_WANTALLKEYS
;
4878 es
->flags
|=EF_DIALOGMODE
;
4880 if (((LPMSG
)lParam
)->message
== WM_KEYDOWN
)
4882 int vk
= (int)((LPMSG
)lParam
)->wParam
;
4884 if (es
->hwndListBox
)
4886 if (vk
== VK_RETURN
|| vk
== VK_ESCAPE
)
4887 if (SendMessageW(GetParent(hwnd
), CB_GETDROPPEDSTATE
, 0, 0))
4888 result
|= DLGC_WANTMESSAGE
;
4900 strng
[0] = wParam
>> 8;
4901 strng
[1] = wParam
& 0xff;
4902 if (strng
[0]) MultiByteToWideChar(CP_ACP
, 0, strng
, 2, &charW
, 1);
4903 else MultiByteToWideChar(CP_ACP
, 0, &strng
[1], 1, &charW
, 1);
4904 result
= EDIT_WM_Char(es
, charW
);
4916 CHAR charA
= wParam
;
4917 MultiByteToWideChar(CP_ACP
, 0, &charA
, 1, &charW
, 1);
4920 if (es
->hwndListBox
)
4922 if (charW
== VK_RETURN
|| charW
== VK_ESCAPE
)
4924 if (SendMessageW(GetParent(hwnd
), CB_GETDROPPEDSTATE
, 0, 0))
4925 SendMessageW(GetParent(hwnd
), WM_KEYDOWN
, charW
, 0);
4929 result
= EDIT_WM_Char(es
, charW
);
4936 if (wParam
== UNICODE_NOCHAR
) return TRUE
;
4937 if (wParam
<= 0x000fffff)
4939 if(wParam
> 0xffff) /* convert to surrogates */
4942 EDIT_WM_Char(es
, (wParam
>> 10) + 0xd800);
4943 EDIT_WM_Char(es
, (wParam
& 0x03ff) + 0xdc00);
4945 else EDIT_WM_Char(es
, wParam
);
4956 EDIT_WM_Command(es
, HIWORD(wParam
), LOWORD(wParam
), (HWND
)lParam
);
4959 case WM_CONTEXTMENU
:
4960 EDIT_WM_ContextMenu(es
, (short)LOWORD(lParam
), (short)HIWORD(lParam
));
4969 result
= EDIT_WM_Create(es
, ((LPCREATESTRUCTW
)lParam
)->lpszName
);
4972 LPCSTR nameA
= ((LPCREATESTRUCTA
)lParam
)->lpszName
;
4973 LPWSTR nameW
= NULL
;
4976 INT countW
= MultiByteToWideChar(CP_ACP
, 0, nameA
, -1, NULL
, 0);
4977 if((nameW
= HeapAlloc(GetProcessHeap(), 0, countW
* sizeof(WCHAR
))))
4978 MultiByteToWideChar(CP_ACP
, 0, nameA
, -1, nameW
, countW
);
4980 result
= EDIT_WM_Create(es
, nameW
);
4981 HeapFree(GetProcessHeap(), 0, nameW
);
4990 es
->bEnableState
= (BOOL
) wParam
;
4991 EDIT_UpdateText(es
, NULL
, TRUE
);
4995 /* we do the proper erase in EDIT_WM_Paint */
5000 result
= (LRESULT
)es
->font
;
5004 result
= (LRESULT
)EDIT_WM_GetText(es
, (INT
)wParam
, (LPWSTR
)lParam
, unicode
);
5007 case WM_GETTEXTLENGTH
:
5008 if (unicode
) result
= get_text_length(es
);
5009 else result
= WideCharToMultiByte( CP_ACP
, 0, es
->text
, get_text_length(es
),
5010 NULL
, 0, NULL
, NULL
);
5014 result
= EDIT_WM_HScroll(es
, LOWORD(wParam
), (short)HIWORD(wParam
));
5018 result
= EDIT_WM_KeyDown(es
, (INT
)wParam
);
5022 result
= EDIT_WM_KillFocus(es
);
5025 case WM_LBUTTONDBLCLK
:
5026 result
= EDIT_WM_LButtonDblClk(es
);
5029 case WM_LBUTTONDOWN
:
5030 result
= EDIT_WM_LButtonDown(es
, wParam
, (short)LOWORD(lParam
), (short)HIWORD(lParam
));
5034 result
= EDIT_WM_LButtonUp(es
);
5037 case WM_MBUTTONDOWN
:
5038 result
= EDIT_WM_MButtonDown(es
);
5042 result
= EDIT_WM_MouseMove(es
, (short)LOWORD(lParam
), (short)HIWORD(lParam
));
5045 case WM_PRINTCLIENT
:
5047 EDIT_WM_Paint(es
, (HDC
)wParam
);
5055 EDIT_WM_SetFocus(es
);
5059 EDIT_WM_SetFont(es
, (HFONT
)wParam
, LOWORD(lParam
) != 0);
5063 /* FIXME: actually set an internal flag and behave accordingly */
5067 EDIT_WM_SetText(es
, (LPCWSTR
)lParam
, unicode
);
5072 EDIT_WM_Size(es
, (UINT
)wParam
, LOWORD(lParam
), HIWORD(lParam
));
5075 case WM_STYLECHANGED
:
5076 result
= EDIT_WM_StyleChanged(es
, wParam
, (const STYLESTRUCT
*)lParam
);
5079 case WM_STYLECHANGING
:
5080 result
= 0; /* See EDIT_WM_StyleChanged */
5084 result
= EDIT_WM_SysKeyDown(es
, (INT
)wParam
, (DWORD
)lParam
);
5092 result
= EDIT_WM_VScroll(es
, LOWORD(wParam
), (short)HIWORD(wParam
));
5097 int gcWheelDelta
= 0;
5098 UINT pulScrollLines
= 3;
5099 SystemParametersInfoW(SPI_GETWHEELSCROLLLINES
,0, &pulScrollLines
, 0);
5101 if (wParam
& (MK_SHIFT
| MK_CONTROL
)) {
5102 result
= DefWindowProcW(hwnd
, msg
, wParam
, lParam
);
5105 gcWheelDelta
-= GET_WHEEL_DELTA_WPARAM(wParam
);
5106 if (abs(gcWheelDelta
) >= WHEEL_DELTA
&& pulScrollLines
)
5108 int cLineScroll
= (int) min((UINT
) es
->line_count
, pulScrollLines
);
5109 cLineScroll
*= (gcWheelDelta
/ WHEEL_DELTA
);
5110 result
= EDIT_EM_LineScroll(es
, 0, cLineScroll
);
5116 /* IME messages to make the edit control IME aware */
5117 case WM_IME_SETCONTEXT
:
5120 case WM_IME_STARTCOMPOSITION
:
5121 es
->composition_start
= es
->selection_end
;
5122 es
->composition_len
= 0;
5125 case WM_IME_COMPOSITION
:
5126 EDIT_ImeComposition(hwnd
, lParam
, es
);
5129 case WM_IME_ENDCOMPOSITION
:
5130 if (es
->composition_len
> 0)
5132 EDIT_EM_ReplaceSel(es
, TRUE
, empty_stringW
, TRUE
, TRUE
);
5133 es
->selection_end
= es
->selection_start
;
5134 es
->composition_len
= 0;
5138 case WM_IME_COMPOSITIONFULL
:
5144 case WM_IME_CONTROL
:
5148 result
= DefWindowProcT(hwnd
, msg
, wParam
, lParam
, unicode
);
5152 if (IsWindow(hwnd
) && es
) EDIT_UnlockBuffer(es
, FALSE
);
5154 TRACE("hwnd=%p msg=%x (%s) -- 0x%08lx\n", hwnd
, msg
, SPY_GetMsgName(msg
, hwnd
), result
);
5160 /*********************************************************************
5161 * edit class descriptor
5163 static const WCHAR editW
[] = {'E','d','i','t',0};
5164 const struct builtin_class_descr EDIT_builtin_class
=
5167 CS_DBLCLKS
| CS_PARENTDC
, /* style */
5168 WINPROC_EDIT
, /* proc */
5170 sizeof(EDITSTATE
*) + sizeof(WORD
), /* extra */
5172 sizeof(EDITSTATE
*), /* extra */
5174 IDC_IBEAM
, /* cursor */