4 * Copyright David W. Metcalfe, 1994
5 * Copyright William Magro, 1995, 1996
6 * Copyright Frans van Dorsselaer, 1996, 1997
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
25 * This code was audited for completeness against the documented features
26 * of Comctl32.dll version 6.0 on Oct. 8, 2004, by Dimitrie O. Paun.
28 * Unless otherwise noted, we believe this code to be complete, as per
29 * the specification mentioned above.
30 * If you discover missing features, or bugs, please note them below.
33 * - EDITBALLOONTIP structure
34 * - EM_GETCUEBANNER/Edit_GetCueBannerText
35 * - EM_HIDEBALLOONTIP/Edit_HideBalloonTip
36 * - EM_SETCUEBANNER/Edit_SetCueBannerText
37 * - EM_SHOWBALLOONTIP/Edit_ShowBalloonTip
38 * - EM_GETIMESTATUS, EM_SETIMESTATUS
57 #include "wine/unicode.h"
59 #include "user_private.h"
60 #include "wine/debug.h"
62 WINE_DEFAULT_DEBUG_CHANNEL(edit
);
63 WINE_DECLARE_DEBUG_CHANNEL(combo
);
64 WINE_DECLARE_DEBUG_CHANNEL(relay
);
66 #define BUFLIMIT_INITIAL 30000 /* initial buffer size */
67 #define GROWLENGTH 32 /* buffers granularity in bytes: must be power of 2 */
68 #define ROUND_TO_GROW(size) (((size) + (GROWLENGTH - 1)) & ~(GROWLENGTH - 1))
69 #define HSCROLL_FRACTION 3 /* scroll window by 1/3 width */
72 * extra flags for EDITSTATE.flags field
74 #define EF_MODIFIED 0x0001 /* text has been modified */
75 #define EF_FOCUSED 0x0002 /* we have input focus */
76 #define EF_UPDATE 0x0004 /* notify parent of changed state */
77 #define EF_VSCROLL_TRACK 0x0008 /* don't SetScrollPos() since we are tracking the thumb */
78 #define EF_HSCROLL_TRACK 0x0010 /* don't SetScrollPos() since we are tracking the thumb */
79 #define EF_AFTER_WRAP 0x0080 /* the caret is displayed after the last character of a
80 wrapped line, instead of in front of the next character */
81 #define EF_USE_SOFTBRK 0x0100 /* Enable soft breaks in text. */
82 #define EF_APP_HAS_HANDLE 0x0200 /* Set when an app sends EM_[G|S]ETHANDLE. We are in sole control of
83 the text buffer if this is clear. */
84 #define EF_DIALOGMODE 0x0400 /* Indicates that we are inside a dialog window */
88 END_0
= 0, /* line ends with terminating '\0' character */
89 END_WRAP
, /* line is wrapped */
90 END_HARD
, /* line ends with a hard return '\r\n' */
91 END_SOFT
, /* line ends with a soft return '\r\r\n' */
92 END_RICH
/* line ends with a single '\n' */
95 typedef struct tagLINEDEF
{
96 INT length
; /* bruto length of a line in bytes */
97 INT net_length
; /* netto length of a line in visible characters */
99 INT width
; /* width of the line in pixels */
100 INT index
; /* line index into the buffer */
101 SCRIPT_STRING_ANALYSIS ssa
; /* Uniscribe Data */
102 struct tagLINEDEF
*next
;
107 BOOL is_unicode
; /* how the control was created */
108 LPWSTR text
; /* the actual contents of the control */
109 UINT text_length
; /* cached length of text buffer (in WCHARs) - use get_text_length() to retrieve */
110 UINT buffer_size
; /* the size of the buffer in characters */
111 UINT buffer_limit
; /* the maximum size to which the buffer may grow in characters */
112 HFONT font
; /* NULL means standard system font */
113 INT x_offset
; /* scroll offset for multi lines this is in pixels
114 for single lines it's in characters */
115 INT line_height
; /* height of a screen line in pixels */
116 INT char_width
; /* average character width in pixels */
117 DWORD style
; /* sane version of wnd->dwStyle */
118 WORD flags
; /* flags that are not in es->style or wnd->flags (EF_XXX) */
119 INT undo_insert_count
; /* number of characters inserted in sequence */
120 UINT undo_position
; /* character index of the insertion and deletion */
121 LPWSTR undo_text
; /* deleted text */
122 UINT undo_buffer_size
; /* size of the deleted text buffer */
123 INT selection_start
; /* == selection_end if no selection */
124 INT selection_end
; /* == current caret position */
125 WCHAR password_char
; /* == 0 if no password char, and for multi line controls */
126 INT left_margin
; /* in pixels */
127 INT right_margin
; /* in pixels */
129 INT text_width
; /* width of the widest line in pixels for multi line controls
130 and just line width for single line controls */
131 INT region_posx
; /* Position of cursor relative to region: */
132 INT region_posy
; /* -1: to left, 0: within, 1: to right */
133 void *word_break_proc
; /* 32-bit word break proc: ANSI or Unicode */
134 INT line_count
; /* number of lines */
135 INT y_offset
; /* scroll offset in number of lines */
136 BOOL bCaptureState
; /* flag indicating whether mouse was captured */
137 BOOL bEnableState
; /* flag keeping the enable state */
138 HWND hwndSelf
; /* the our window handle */
139 HWND hwndParent
; /* Handle of parent for sending EN_* messages.
140 Even if parent will change, EN_* messages
141 should be sent to the first parent. */
142 HWND hwndListBox
; /* handle of ComboBox's listbox or NULL */
144 * only for multi line controls
146 INT lock_count
; /* amount of re-entries in the EditWndProc */
149 LINEDEF
*first_line_def
; /* linked list of (soft) linebreaks */
150 HLOCAL hloc32W
; /* our unicode local memory block */
151 HLOCAL hloc32A
; /* alias for ANSI control receiving EM_GETHANDLE
156 UINT composition_len
; /* length of composition, 0 == no composition */
157 int composition_start
; /* the character position for the composition */
161 SCRIPT_LOGATTR
*logAttr
;
162 SCRIPT_STRING_ANALYSIS ssa
; /* Uniscribe Data for single line controls */
166 #define SWAP_UINT32(x,y) do { UINT temp = (UINT)(x); (x) = (UINT)(y); (y) = temp; } while(0)
167 #define ORDER_UINT(x,y) do { if ((UINT)(y) < (UINT)(x)) SWAP_UINT32((x),(y)); } while(0)
169 /* used for disabled or read-only edit control */
170 #define EDIT_NOTIFY_PARENT(es, wNotifyCode) \
172 { /* Notify parent which has created this edit control */ \
173 TRACE("notification " #wNotifyCode " sent to hwnd=%p\n", es->hwndParent); \
174 SendMessageW(es->hwndParent, WM_COMMAND, \
175 MAKEWPARAM(GetWindowLongPtrW((es->hwndSelf),GWLP_ID), wNotifyCode), \
176 (LPARAM)(es->hwndSelf)); \
179 static const WCHAR empty_stringW
[] = {0};
180 static LRESULT
EDIT_EM_PosFromChar(EDITSTATE
*es
, INT index
, BOOL after_wrap
);
182 /*********************************************************************
187 static inline BOOL
EDIT_EM_CanUndo(const EDITSTATE
*es
)
189 return (es
->undo_insert_count
|| strlenW(es
->undo_text
));
193 /*********************************************************************
198 static inline void EDIT_EM_EmptyUndoBuffer(EDITSTATE
*es
)
200 es
->undo_insert_count
= 0;
201 *es
->undo_text
= '\0';
205 /**********************************************************************
208 * Returns the window version in case Wine emulates a later version
209 * of windows than the application expects.
211 * In a number of cases when windows runs an application that was
212 * designed for an earlier windows version, windows reverts
213 * to "old" behaviour of that earlier version.
215 * An example is a disabled edit control that needs to be painted.
216 * Old style behaviour is to send a WM_CTLCOLOREDIT message. This was
217 * changed in Win95, NT4.0 by a WM_CTLCOLORSTATIC message _only_ for
218 * applications with an expected version 0f 4.0 or higher.
221 static DWORD
get_app_version(void)
223 static DWORD version
;
226 DWORD dwEmulatedVersion
;
228 DWORD dwProcVersion
= GetProcessVersion(0);
230 info
.dwOSVersionInfoSize
= sizeof(OSVERSIONINFOW
);
231 GetVersionExW( &info
);
232 dwEmulatedVersion
= MAKELONG( info
.dwMinorVersion
, info
.dwMajorVersion
);
233 /* FIXME: this may not be 100% correct; see discussion on the
234 * wine developer list in Nov 1999 */
235 version
= dwProcVersion
< dwEmulatedVersion
? dwProcVersion
: dwEmulatedVersion
;
240 static HBRUSH
EDIT_NotifyCtlColor(EDITSTATE
*es
, HDC hdc
)
245 if ( get_app_version() >= 0x40000 && (!es
->bEnableState
|| (es
->style
& ES_READONLY
)))
246 msg
= WM_CTLCOLORSTATIC
;
248 msg
= WM_CTLCOLOREDIT
;
250 /* why do we notify to es->hwndParent, and we send this one to GetParent()? */
251 hbrush
= (HBRUSH
)SendMessageW(GetParent(es
->hwndSelf
), msg
, (WPARAM
)hdc
, (LPARAM
)es
->hwndSelf
);
253 hbrush
= (HBRUSH
)DefWindowProcW(GetParent(es
->hwndSelf
), msg
, (WPARAM
)hdc
, (LPARAM
)es
->hwndSelf
);
258 static inline UINT
get_text_length(EDITSTATE
*es
)
260 if(es
->text_length
== (UINT
)-1)
261 es
->text_length
= strlenW(es
->text
);
262 return es
->text_length
;
266 /*********************************************************************
270 * Find the beginning of words.
271 * Note: unlike the specs for a WordBreakProc, this function only
272 * allows to be called without linebreaks between s[0] up to
273 * s[count - 1]. Remember it is only called
274 * internally, so we can decide this for ourselves.
275 * Additional we will always be breaking the full string.
278 static INT
EDIT_WordBreakProc(EDITSTATE
*es
, LPWSTR s
, INT index
, INT count
, INT action
)
282 TRACE("s=%p, index=%d, count=%d, action=%d\n", s
, index
, count
, action
);
290 memset(&psa
,0,sizeof(SCRIPT_ANALYSIS
));
291 psa
.eScript
= SCRIPT_UNDEFINED
;
293 es
->logAttr
= HeapAlloc(GetProcessHeap(), 0, sizeof(SCRIPT_LOGATTR
) * get_text_length(es
));
294 ScriptBreak(es
->text
, get_text_length(es
), &psa
, es
->logAttr
);
301 while (index
&& !es
->logAttr
[index
].fSoftBreak
)
308 while (s
[index
] && index
< count
&& !es
->logAttr
[index
].fSoftBreak
)
313 ret
= es
->logAttr
[index
].fWhiteSpace
;
316 ERR("unknown action code, please report !\n");
323 /*********************************************************************
325 * EDIT_CallWordBreakProc
327 * Call appropriate WordBreakProc (internal or external).
329 * Note: The "start" argument should always be an index referring
330 * to es->text. The actual wordbreak proc might be
331 * 16 bit, so we can't always pass any 32 bit LPSTR.
332 * Hence we assume that es->text is the buffer that holds
333 * the string under examination (we can decide this for ourselves).
336 static INT
EDIT_CallWordBreakProc(EDITSTATE
*es
, INT start
, INT index
, INT count
, INT action
)
340 if (es
->word_break_proc
)
344 EDITWORDBREAKPROCW wbpW
= (EDITWORDBREAKPROCW
)es
->word_break_proc
;
346 TRACE_(relay
)("(UNICODE wordbrk=%p,str=%s,idx=%d,cnt=%d,act=%d)\n",
347 es
->word_break_proc
, debugstr_wn(es
->text
+ start
, count
), index
, count
, action
);
348 ret
= wbpW(es
->text
+ start
, index
, count
, action
);
352 EDITWORDBREAKPROCA wbpA
= (EDITWORDBREAKPROCA
)es
->word_break_proc
;
356 countA
= WideCharToMultiByte(CP_ACP
, 0, es
->text
+ start
, count
, NULL
, 0, NULL
, NULL
);
357 textA
= HeapAlloc(GetProcessHeap(), 0, countA
);
358 WideCharToMultiByte(CP_ACP
, 0, es
->text
+ start
, count
, textA
, countA
, NULL
, NULL
);
359 TRACE_(relay
)("(ANSI wordbrk=%p,str=%s,idx=%d,cnt=%d,act=%d)\n",
360 es
->word_break_proc
, debugstr_an(textA
, countA
), index
, countA
, action
);
361 ret
= wbpA(textA
, index
, countA
, action
);
362 HeapFree(GetProcessHeap(), 0, textA
);
366 ret
= EDIT_WordBreakProc(es
, es
->text
, index
+start
, count
+start
, action
) - start
;
371 static inline void EDIT_InvalidateUniscribeData_linedef(LINEDEF
*line_def
)
375 ScriptStringFree(&line_def
->ssa
);
376 line_def
->ssa
= NULL
;
380 static inline void EDIT_InvalidateUniscribeData(EDITSTATE
*es
)
382 LINEDEF
*line_def
= es
->first_line_def
;
385 EDIT_InvalidateUniscribeData_linedef(line_def
);
386 line_def
= line_def
->next
;
390 ScriptStringFree(&es
->ssa
);
395 static SCRIPT_STRING_ANALYSIS
EDIT_UpdateUniscribeData_linedef(EDITSTATE
*es
, HDC dc
, LINEDEF
*line_def
)
400 if (line_def
->net_length
&& !line_def
->ssa
)
402 int index
= line_def
->index
;
403 HFONT old_font
= NULL
;
405 SCRIPT_TABDEF tabdef
;
408 udc
= GetDC(es
->hwndSelf
);
410 old_font
= SelectObject(udc
, es
->font
);
412 tabdef
.cTabStops
= es
->tabs_count
;
414 tabdef
.pTabStops
= es
->tabs
;
415 tabdef
.iTabOrigin
= 0;
417 ScriptStringAnalyse(udc
, &es
->text
[index
], line_def
->net_length
, (1.5*line_def
->net_length
+16), -1, SSA_LINK
|SSA_FALLBACK
|SSA_GLYPHS
|SSA_TAB
, -1, NULL
, NULL
, NULL
, &tabdef
, NULL
, &line_def
->ssa
);
420 SelectObject(udc
, old_font
);
422 ReleaseDC(es
->hwndSelf
, udc
);
425 return line_def
->ssa
;
428 static SCRIPT_STRING_ANALYSIS
EDIT_UpdateUniscribeData(EDITSTATE
*es
, HDC dc
, INT line
)
432 if (!(es
->style
& ES_MULTILINE
))
436 INT length
= get_text_length(es
);
437 HFONT old_font
= NULL
;
441 udc
= GetDC(es
->hwndSelf
);
443 old_font
= SelectObject(udc
, es
->font
);
445 if (es
->style
& ES_PASSWORD
)
446 ScriptStringAnalyse(udc
, &es
->password_char
, length
, (1.5*length
+16), -1, SSA_LINK
|SSA_FALLBACK
|SSA_GLYPHS
|SSA_PASSWORD
, -1, NULL
, NULL
, NULL
, NULL
, NULL
, &es
->ssa
);
448 ScriptStringAnalyse(udc
, es
->text
, length
, (1.5*length
+16), -1, SSA_LINK
|SSA_FALLBACK
|SSA_GLYPHS
, -1, NULL
, NULL
, NULL
, NULL
, NULL
, &es
->ssa
);
451 SelectObject(udc
, old_font
);
453 ReleaseDC(es
->hwndSelf
, udc
);
459 line_def
= es
->first_line_def
;
460 while (line_def
&& line
)
462 line_def
= line_def
->next
;
466 return EDIT_UpdateUniscribeData_linedef(es
,dc
,line_def
);
470 /*********************************************************************
472 * EDIT_BuildLineDefs_ML
474 * Build linked list of text lines.
475 * Lines can end with '\0' (last line), a character (if it is wrapped),
476 * a soft return '\r\r\n' or a hard return '\r\n'
479 static void EDIT_BuildLineDefs_ML(EDITSTATE
*es
, INT istart
, INT iend
, INT delta
, HRGN hrgn
)
481 LPWSTR current_position
, cp
;
483 LINEDEF
*current_line
;
484 LINEDEF
*previous_line
;
486 INT line_index
= 0, nstart_line
= 0, nstart_index
= 0;
487 INT line_count
= es
->line_count
;
491 if (istart
== iend
&& delta
== 0)
494 previous_line
= NULL
;
495 current_line
= es
->first_line_def
;
497 /* Find starting line. istart must lie inside an existing line or
498 * at the end of buffer */
500 if (istart
< current_line
->index
+ current_line
->length
||
501 current_line
->ending
== END_0
)
504 previous_line
= current_line
;
505 current_line
= current_line
->next
;
507 } while (current_line
);
509 if (!current_line
) /* Error occurred start is not inside previous buffer */
511 FIXME(" modification occurred outside buffer\n");
515 /* Remember start of modifications in order to calculate update region */
516 nstart_line
= line_index
;
517 nstart_index
= current_line
->index
;
519 /* We must start to reformat from the previous line since the modifications
520 * may have caused the line to wrap upwards. */
521 if (!(es
->style
& ES_AUTOHSCROLL
) && line_index
> 0)
524 current_line
= previous_line
;
526 start_line
= current_line
;
528 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
529 current_position
= es
->text
+ current_line
->index
;
531 if (current_line
!= start_line
)
533 if (!current_line
|| current_line
->index
+ delta
> current_position
- es
->text
)
535 /* The buffer has been expanded, create a new line and
536 insert it into the link list */
537 LINEDEF
*new_line
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(LINEDEF
));
538 new_line
->next
= previous_line
->next
;
539 previous_line
->next
= new_line
;
540 current_line
= new_line
;
543 else if (current_line
->index
+ delta
< current_position
- es
->text
)
545 /* The previous line merged with this line so we delete this extra entry */
546 previous_line
->next
= current_line
->next
;
547 HeapFree(GetProcessHeap(), 0, current_line
);
548 current_line
= previous_line
->next
;
552 else /* current_line->index + delta == current_position */
554 if (current_position
- es
->text
> iend
)
555 break; /* We reached end of line modifications */
556 /* else recalculate this line */
560 current_line
->index
= current_position
- es
->text
;
561 orig_net_length
= current_line
->net_length
;
563 /* Find end of line */
564 cp
= current_position
;
566 if (*cp
== '\n') break;
567 if ((*cp
== '\r') && (*(cp
+ 1) == '\n'))
572 /* Mark type of line termination */
574 current_line
->ending
= END_0
;
575 current_line
->net_length
= strlenW(current_position
);
576 } else if ((cp
> current_position
) && (*(cp
- 1) == '\r')) {
577 current_line
->ending
= END_SOFT
;
578 current_line
->net_length
= cp
- current_position
- 1;
579 } else if (*cp
== '\n') {
580 current_line
->ending
= END_RICH
;
581 current_line
->net_length
= cp
- current_position
;
583 current_line
->ending
= END_HARD
;
584 current_line
->net_length
= cp
- current_position
;
587 if (current_line
->net_length
)
590 EDIT_InvalidateUniscribeData_linedef(current_line
);
591 EDIT_UpdateUniscribeData_linedef(es
, NULL
, current_line
);
592 sz
= ScriptString_pSize(current_line
->ssa
);
593 /* Calculate line width */
594 current_line
->width
= sz
->cx
;
596 else current_line
->width
= 0;
598 /* FIXME: check here for lines that are too wide even in AUTOHSCROLL (> 32767 ???) */
600 /* Line breaks just look back from the end and find the next break and try that. */
602 if (!(es
->style
& ES_AUTOHSCROLL
)) {
603 if (current_line
->width
> fw
) {
609 prev
= current_line
->net_length
- 1;
610 w
= current_line
->net_length
;
612 prev
= EDIT_CallWordBreakProc(es
, current_position
- es
->text
,
613 prev
-1, current_line
->net_length
, WB_LEFT
);
614 current_line
->net_length
= prev
;
615 EDIT_InvalidateUniscribeData_linedef(current_line
);
616 EDIT_UpdateUniscribeData_linedef(es
, NULL
, current_line
);
617 sz
= ScriptString_pSize(current_line
->ssa
);
619 current_line
->width
= sz
->cx
;
622 } while (prev
&& current_line
->width
> fw
);
623 current_line
->net_length
= w
;
625 if (prev
== 0) { /* Didn't find a line break so force a break */
629 EDIT_InvalidateUniscribeData_linedef(current_line
);
630 EDIT_UpdateUniscribeData_linedef(es
, NULL
, current_line
);
632 count
= ScriptString_pcOutChars(current_line
->ssa
);
633 piDx
= HeapAlloc(GetProcessHeap(),0,sizeof(INT
) * (*count
));
634 ScriptStringGetLogicalWidths(current_line
->ssa
,piDx
);
636 prev
= current_line
->net_length
-1;
638 current_line
->width
-= piDx
[prev
];
640 } while ( prev
> 0 && current_line
->width
> fw
);
643 HeapFree(GetProcessHeap(),0,piDx
);
646 /* If the first line we are calculating, wrapped before istart, we must
647 * adjust istart in order for this to be reflected in the update region. */
648 if (current_line
->index
== nstart_index
&& istart
> current_line
->index
+ prev
)
649 istart
= current_line
->index
+ prev
;
650 /* else if we are updating the previous line before the first line we
651 * are re-calculating and it expanded */
652 else if (current_line
== start_line
&&
653 current_line
->index
!= nstart_index
&& orig_net_length
< prev
)
655 /* Line expanded due to an upwards line wrap so we must partially include
656 * previous line in update region */
657 nstart_line
= line_index
;
658 nstart_index
= current_line
->index
;
659 istart
= current_line
->index
+ orig_net_length
;
662 current_line
->net_length
= prev
;
663 current_line
->ending
= END_WRAP
;
665 if (current_line
->net_length
> 0)
667 EDIT_UpdateUniscribeData_linedef(es
, NULL
, current_line
);
668 sz
= ScriptString_pSize(current_line
->ssa
);
669 current_line
->width
= sz
->cx
;
671 else current_line
->width
= 0;
673 else if (current_line
== start_line
&&
674 current_line
->index
!= nstart_index
&&
675 orig_net_length
< current_line
->net_length
) {
676 /* The previous line expanded but it's still not as wide as the client rect */
677 /* The expansion is due to an upwards line wrap so we must partially include
678 it in the update region */
679 nstart_line
= line_index
;
680 nstart_index
= current_line
->index
;
681 istart
= current_line
->index
+ orig_net_length
;
686 /* Adjust length to include line termination */
687 switch (current_line
->ending
) {
689 current_line
->length
= current_line
->net_length
+ 3;
692 current_line
->length
= current_line
->net_length
+ 1;
695 current_line
->length
= current_line
->net_length
+ 2;
699 current_line
->length
= current_line
->net_length
;
702 es
->text_width
= max(es
->text_width
, current_line
->width
);
703 current_position
+= current_line
->length
;
704 previous_line
= current_line
;
705 current_line
= current_line
->next
;
707 } while (previous_line
->ending
!= END_0
);
709 /* Finish adjusting line indexes by delta or remove hanging lines */
710 if (previous_line
->ending
== END_0
)
712 LINEDEF
*pnext
= NULL
;
714 previous_line
->next
= NULL
;
717 pnext
= current_line
->next
;
718 EDIT_InvalidateUniscribeData_linedef(current_line
);
719 HeapFree(GetProcessHeap(), 0, current_line
);
720 current_line
= pnext
;
728 current_line
->index
+= delta
;
729 current_line
= current_line
->next
;
733 /* Calculate rest of modification rectangle */
738 * We calculate two rectangles. One for the first line which may have
739 * an indent with respect to the format rect. The other is a format-width
740 * rectangle that spans the rest of the lines that changed or moved.
742 rc
.top
= es
->format_rect
.top
+ nstart_line
* es
->line_height
-
743 (es
->y_offset
* es
->line_height
); /* Adjust for vertical scrollbar */
744 rc
.bottom
= rc
.top
+ es
->line_height
;
745 if ((es
->style
& ES_CENTER
) || (es
->style
& ES_RIGHT
))
746 rc
.left
= es
->format_rect
.left
;
748 rc
.left
= LOWORD(EDIT_EM_PosFromChar(es
, nstart_index
, FALSE
));
749 rc
.right
= es
->format_rect
.right
;
750 SetRectRgn(hrgn
, rc
.left
, rc
.top
, rc
.right
, rc
.bottom
);
753 rc
.left
= es
->format_rect
.left
;
754 rc
.right
= es
->format_rect
.right
;
756 * If lines were added or removed we must re-paint the remainder of the
757 * lines since the remaining lines were either shifted up or down.
759 if (line_count
< es
->line_count
) /* We added lines */
760 rc
.bottom
= es
->line_count
* es
->line_height
;
761 else if (line_count
> es
->line_count
) /* We removed lines */
762 rc
.bottom
= line_count
* es
->line_height
;
764 rc
.bottom
= line_index
* es
->line_height
;
765 rc
.bottom
+= es
->format_rect
.top
;
766 rc
.bottom
-= (es
->y_offset
* es
->line_height
); /* Adjust for vertical scrollbar */
767 tmphrgn
= CreateRectRgn(rc
.left
, rc
.top
, rc
.right
, rc
.bottom
);
768 CombineRgn(hrgn
, hrgn
, tmphrgn
, RGN_OR
);
769 DeleteObject(tmphrgn
);
773 /*********************************************************************
775 * EDIT_CalcLineWidth_SL
778 static void EDIT_CalcLineWidth_SL(EDITSTATE
*es
)
782 EDIT_UpdateUniscribeData(es
, NULL
, 0);
783 size
= ScriptString_pSize(es
->ssa
);
785 es
->text_width
= size
->cx
;
790 /*********************************************************************
794 * Beware: This is not the function called on EM_CHARFROMPOS
795 * The position _can_ be outside the formatting / client
797 * The return value is only the character index
800 static INT
EDIT_CharFromPos(EDITSTATE
*es
, INT x
, INT y
, LPBOOL after_wrap
)
804 if (es
->style
& ES_MULTILINE
) {
806 INT line
= (y
- es
->format_rect
.top
) / es
->line_height
+ es
->y_offset
;
808 LINEDEF
*line_def
= es
->first_line_def
;
809 EDIT_UpdateUniscribeData(es
, NULL
, line
);
810 while ((line
> 0) && line_def
->next
) {
811 line_index
+= line_def
->length
;
812 line_def
= line_def
->next
;
816 x
+= es
->x_offset
- es
->format_rect
.left
;
817 if (es
->style
& ES_RIGHT
)
818 x
-= (es
->format_rect
.right
- es
->format_rect
.left
) - line_def
->width
;
819 else if (es
->style
& ES_CENTER
)
820 x
-= ((es
->format_rect
.right
- es
->format_rect
.left
) - line_def
->width
) / 2;
821 if (x
>= line_def
->width
) {
823 *after_wrap
= (line_def
->ending
== END_WRAP
);
824 return line_index
+ line_def
->net_length
;
832 ScriptStringXtoCP(line_def
->ssa
, x
, &index
, &trailing
);
833 if (trailing
) index
++;
836 *after_wrap
= ((index
== line_index
+ line_def
->net_length
) &&
837 (line_def
->ending
== END_WRAP
));
843 x
-= es
->format_rect
.left
;
849 INT indent
= (es
->format_rect
.right
- es
->format_rect
.left
) - es
->text_width
;
850 if (es
->style
& ES_RIGHT
)
852 else if (es
->style
& ES_CENTER
)
856 EDIT_UpdateUniscribeData(es
, NULL
, 0);
859 if (es
->x_offset
>= get_text_length(es
))
862 size
= ScriptString_pSize(es
->ssa
);
865 ScriptStringCPtoX(es
->ssa
, es
->x_offset
, FALSE
, &xoff
);
871 ScriptStringXtoCP(es
->ssa
, x
+xoff
, &index
, &trailing
);
872 if (trailing
) index
++;
882 size
= ScriptString_pSize(es
->ssa
);
885 else if (x
> size
->cx
)
886 index
= get_text_length(es
);
889 ScriptStringXtoCP(es
->ssa
, x
+xoff
, &index
, &trailing
);
890 if (trailing
) index
++;
894 index
= es
->x_offset
;
901 /*********************************************************************
905 * adjusts the point to be within the formatting rectangle
906 * (so CharFromPos returns the nearest _visible_ character)
909 static void EDIT_ConfinePoint(const EDITSTATE
*es
, LPINT x
, LPINT y
)
911 *x
= min(max(*x
, es
->format_rect
.left
), es
->format_rect
.right
- 1);
912 *y
= min(max(*y
, es
->format_rect
.top
), es
->format_rect
.bottom
- 1);
916 /*********************************************************************
921 static INT
EDIT_EM_LineFromChar(EDITSTATE
*es
, INT index
)
926 if (!(es
->style
& ES_MULTILINE
))
928 if (index
> (INT
)get_text_length(es
))
929 return es
->line_count
- 1;
931 index
= min(es
->selection_start
, es
->selection_end
);
934 line_def
= es
->first_line_def
;
935 index
-= line_def
->length
;
936 while ((index
>= 0) && line_def
->next
) {
938 line_def
= line_def
->next
;
939 index
-= line_def
->length
;
945 /*********************************************************************
950 static INT
EDIT_EM_LineIndex(const EDITSTATE
*es
, INT line
)
953 const LINEDEF
*line_def
;
955 if (!(es
->style
& ES_MULTILINE
))
957 if (line
>= es
->line_count
)
961 line_def
= es
->first_line_def
;
963 INT index
= es
->selection_end
- line_def
->length
;
964 while ((index
>= 0) && line_def
->next
) {
965 line_index
+= line_def
->length
;
966 line_def
= line_def
->next
;
967 index
-= line_def
->length
;
971 line_index
+= line_def
->length
;
972 line_def
= line_def
->next
;
980 /*********************************************************************
985 static INT
EDIT_EM_LineLength(EDITSTATE
*es
, INT index
)
989 if (!(es
->style
& ES_MULTILINE
))
990 return get_text_length(es
);
993 /* get the number of remaining non-selected chars of selected lines */
994 INT32 l
; /* line number */
995 INT32 li
; /* index of first char in line */
997 l
= EDIT_EM_LineFromChar(es
, es
->selection_start
);
998 /* # chars before start of selection area */
999 count
= es
->selection_start
- EDIT_EM_LineIndex(es
, l
);
1000 l
= EDIT_EM_LineFromChar(es
, es
->selection_end
);
1001 /* # chars after end of selection */
1002 li
= EDIT_EM_LineIndex(es
, l
);
1003 count
+= li
+ EDIT_EM_LineLength(es
, li
) - es
->selection_end
;
1006 line_def
= es
->first_line_def
;
1007 index
-= line_def
->length
;
1008 while ((index
>= 0) && line_def
->next
) {
1009 line_def
= line_def
->next
;
1010 index
-= line_def
->length
;
1012 return line_def
->net_length
;
1016 /*********************************************************************
1021 static LRESULT
EDIT_EM_PosFromChar(EDITSTATE
*es
, INT index
, BOOL after_wrap
)
1023 INT len
= get_text_length(es
);
1032 index
= min(index
, len
);
1033 if (es
->style
& ES_MULTILINE
) {
1034 l
= EDIT_EM_LineFromChar(es
, index
);
1035 EDIT_UpdateUniscribeData(es
, NULL
, l
);
1037 y
= (l
- es
->y_offset
) * es
->line_height
;
1038 li
= EDIT_EM_LineIndex(es
, l
);
1039 if (after_wrap
&& (li
== index
) && l
) {
1041 line_def
= es
->first_line_def
;
1043 line_def
= line_def
->next
;
1046 if (line_def
->ending
== END_WRAP
) {
1048 y
-= es
->line_height
;
1049 li
= EDIT_EM_LineIndex(es
, l
);
1053 line_def
= es
->first_line_def
;
1054 while (line_def
->index
!= li
)
1055 line_def
= line_def
->next
;
1057 lw
= line_def
->width
;
1058 w
= es
->format_rect
.right
- es
->format_rect
.left
;
1059 ScriptStringCPtoX(line_def
->ssa
, (index
- 1) - li
, TRUE
, &x
);
1062 if (es
->style
& ES_RIGHT
)
1064 else if (es
->style
& ES_CENTER
)
1069 EDIT_UpdateUniscribeData(es
, NULL
, 0);
1072 if (es
->x_offset
>= get_text_length(es
))
1075 size
= ScriptString_pSize(es
->ssa
);
1078 ScriptStringCPtoX(es
->ssa
, es
->x_offset
, FALSE
, &xoff
);
1082 if (index
>= get_text_length(es
))
1085 size
= ScriptString_pSize(es
->ssa
);
1089 ScriptStringCPtoX(es
->ssa
, index
, FALSE
, &xi
);
1093 if (index
>= es
->x_offset
) {
1094 if (!es
->x_offset
&& (es
->style
& (ES_RIGHT
| ES_CENTER
)))
1096 w
= es
->format_rect
.right
- es
->format_rect
.left
;
1097 if (w
> es
->text_width
)
1099 if (es
->style
& ES_RIGHT
)
1100 x
+= w
- es
->text_width
;
1101 else if (es
->style
& ES_CENTER
)
1102 x
+= (w
- es
->text_width
) / 2;
1108 x
+= es
->format_rect
.left
;
1109 y
+= es
->format_rect
.top
;
1110 return MAKELONG((INT16
)x
, (INT16
)y
);
1114 /*********************************************************************
1118 * Calculates the bounding rectangle for a line from a starting
1119 * column to an ending column.
1122 static void EDIT_GetLineRect(EDITSTATE
*es
, INT line
, INT scol
, INT ecol
, LPRECT rc
)
1124 INT line_index
= EDIT_EM_LineIndex(es
, line
);
1127 if (es
->style
& ES_MULTILINE
)
1128 rc
->top
= es
->format_rect
.top
+ (line
- es
->y_offset
) * es
->line_height
;
1130 rc
->top
= es
->format_rect
.top
;
1131 rc
->bottom
= rc
->top
+ es
->line_height
;
1132 pt1
= (scol
== 0) ? es
->format_rect
.left
: (short)LOWORD(EDIT_EM_PosFromChar(es
, line_index
+ scol
, TRUE
));
1133 pt2
= (ecol
== -1) ? es
->format_rect
.right
: (short)LOWORD(EDIT_EM_PosFromChar(es
, line_index
+ ecol
, TRUE
));
1134 rc
->right
= max(pt1
, pt2
);
1135 rc
->left
= min(pt1
, pt2
);
1139 static inline void text_buffer_changed(EDITSTATE
*es
)
1141 es
->text_length
= (UINT
)-1;
1143 HeapFree( GetProcessHeap(), 0, es
->logAttr
);
1145 EDIT_InvalidateUniscribeData(es
);
1148 /*********************************************************************
1152 static void EDIT_LockBuffer(EDITSTATE
*es
)
1156 if(!es
->hloc32W
) return;
1160 CHAR
*textA
= LocalLock(es
->hloc32A
);
1162 UINT countW_new
= MultiByteToWideChar(CP_ACP
, 0, textA
, -1, NULL
, 0);
1163 if(countW_new
> es
->buffer_size
+ 1)
1165 UINT alloc_size
= ROUND_TO_GROW(countW_new
* sizeof(WCHAR
));
1166 TRACE("Resizing 32-bit UNICODE buffer from %d+1 to %d WCHARs\n", es
->buffer_size
, countW_new
);
1167 hloc32W_new
= LocalReAlloc(es
->hloc32W
, alloc_size
, LMEM_MOVEABLE
| LMEM_ZEROINIT
);
1170 es
->hloc32W
= hloc32W_new
;
1171 es
->buffer_size
= LocalSize(hloc32W_new
)/sizeof(WCHAR
) - 1;
1172 TRACE("Real new size %d+1 WCHARs\n", es
->buffer_size
);
1175 WARN("FAILED! Will synchronize partially\n");
1177 es
->text
= LocalLock(es
->hloc32W
);
1178 MultiByteToWideChar(CP_ACP
, 0, textA
, -1, es
->text
, es
->buffer_size
+ 1);
1179 LocalUnlock(es
->hloc32A
);
1181 else es
->text
= LocalLock(es
->hloc32W
);
1183 if(es
->flags
& EF_APP_HAS_HANDLE
) text_buffer_changed(es
);
1188 /*********************************************************************
1193 static void EDIT_UnlockBuffer(EDITSTATE
*es
, BOOL force
)
1196 /* Edit window might be already destroyed */
1197 if(!IsWindow(es
->hwndSelf
))
1199 WARN("edit hwnd %p already destroyed\n", es
->hwndSelf
);
1203 if (!es
->lock_count
) {
1204 ERR("lock_count == 0 ... please report\n");
1208 ERR("es->text == 0 ... please report\n");
1212 if (force
|| (es
->lock_count
== 1)) {
1215 UINT countW
= get_text_length(es
) + 1;
1219 UINT countA_new
= WideCharToMultiByte(CP_ACP
, 0, es
->text
, countW
, NULL
, 0, NULL
, NULL
);
1220 TRACE("Synchronizing with 32-bit ANSI buffer\n");
1221 TRACE("%d WCHARs translated to %d bytes\n", countW
, countA_new
);
1222 countA
= LocalSize(es
->hloc32A
);
1223 if(countA_new
> countA
)
1226 UINT alloc_size
= ROUND_TO_GROW(countA_new
);
1227 TRACE("Resizing 32-bit ANSI buffer from %d to %d bytes\n", countA
, alloc_size
);
1228 hloc32A_new
= LocalReAlloc(es
->hloc32A
, alloc_size
, LMEM_MOVEABLE
| LMEM_ZEROINIT
);
1231 es
->hloc32A
= hloc32A_new
;
1232 countA
= LocalSize(hloc32A_new
);
1233 TRACE("Real new size %d bytes\n", countA
);
1236 WARN("FAILED! Will synchronize partially\n");
1238 WideCharToMultiByte(CP_ACP
, 0, es
->text
, countW
,
1239 LocalLock(es
->hloc32A
), countA
, NULL
, NULL
);
1240 LocalUnlock(es
->hloc32A
);
1243 LocalUnlock(es
->hloc32W
);
1247 ERR("no buffer ... please report\n");
1255 /*********************************************************************
1259 * Try to fit size + 1 characters in the buffer.
1261 static BOOL
EDIT_MakeFit(EDITSTATE
*es
, UINT size
)
1265 if (size
<= es
->buffer_size
)
1268 TRACE("trying to ReAlloc to %d+1 characters\n", size
);
1270 /* Force edit to unlock it's buffer. es->text now NULL */
1271 EDIT_UnlockBuffer(es
, TRUE
);
1274 UINT alloc_size
= ROUND_TO_GROW((size
+ 1) * sizeof(WCHAR
));
1275 if ((hNew32W
= LocalReAlloc(es
->hloc32W
, alloc_size
, LMEM_MOVEABLE
| LMEM_ZEROINIT
))) {
1276 TRACE("Old 32 bit handle %p, new handle %p\n", es
->hloc32W
, hNew32W
);
1277 es
->hloc32W
= hNew32W
;
1278 es
->buffer_size
= LocalSize(hNew32W
)/sizeof(WCHAR
) - 1;
1282 EDIT_LockBuffer(es
);
1284 if (es
->buffer_size
< size
) {
1285 WARN("FAILED ! We now have %d+1\n", es
->buffer_size
);
1286 EDIT_NOTIFY_PARENT(es
, EN_ERRSPACE
);
1289 TRACE("We now have %d+1\n", es
->buffer_size
);
1295 /*********************************************************************
1299 * Try to fit size + 1 bytes in the undo buffer.
1302 static BOOL
EDIT_MakeUndoFit(EDITSTATE
*es
, UINT size
)
1306 if (size
<= es
->undo_buffer_size
)
1309 TRACE("trying to ReAlloc to %d+1\n", size
);
1311 alloc_size
= ROUND_TO_GROW((size
+ 1) * sizeof(WCHAR
));
1312 if ((es
->undo_text
= HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, es
->undo_text
, alloc_size
))) {
1313 es
->undo_buffer_size
= alloc_size
/sizeof(WCHAR
) - 1;
1318 WARN("FAILED ! We now have %d+1\n", es
->undo_buffer_size
);
1324 /*********************************************************************
1326 * EDIT_UpdateTextRegion
1329 static void EDIT_UpdateTextRegion(EDITSTATE
*es
, HRGN hrgn
, BOOL bErase
)
1331 if (es
->flags
& EF_UPDATE
) {
1332 es
->flags
&= ~EF_UPDATE
;
1333 EDIT_NOTIFY_PARENT(es
, EN_UPDATE
);
1335 InvalidateRgn(es
->hwndSelf
, hrgn
, bErase
);
1339 /*********************************************************************
1344 static void EDIT_UpdateText(EDITSTATE
*es
, const RECT
*rc
, BOOL bErase
)
1346 if (es
->flags
& EF_UPDATE
) {
1347 es
->flags
&= ~EF_UPDATE
;
1348 EDIT_NOTIFY_PARENT(es
, EN_UPDATE
);
1350 InvalidateRect(es
->hwndSelf
, rc
, bErase
);
1353 /*********************************************************************
1355 * EDIT_SL_InvalidateText
1357 * Called from EDIT_InvalidateText().
1358 * Does the job for single-line controls only.
1361 static void EDIT_SL_InvalidateText(EDITSTATE
*es
, INT start
, INT end
)
1366 EDIT_GetLineRect(es
, 0, start
, end
, &line_rect
);
1367 if (IntersectRect(&rc
, &line_rect
, &es
->format_rect
))
1368 EDIT_UpdateText(es
, &rc
, TRUE
);
1372 static inline INT
get_vertical_line_count(EDITSTATE
*es
)
1374 INT vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
1378 /*********************************************************************
1380 * EDIT_ML_InvalidateText
1382 * Called from EDIT_InvalidateText().
1383 * Does the job for multi-line controls only.
1386 static void EDIT_ML_InvalidateText(EDITSTATE
*es
, INT start
, INT end
)
1388 INT vlc
= get_vertical_line_count(es
);
1389 INT sl
= EDIT_EM_LineFromChar(es
, start
);
1390 INT el
= EDIT_EM_LineFromChar(es
, end
);
1399 if ((el
< es
->y_offset
) || (sl
> es
->y_offset
+ vlc
))
1402 sc
= start
- EDIT_EM_LineIndex(es
, sl
);
1403 ec
= end
- EDIT_EM_LineIndex(es
, el
);
1404 if (sl
< es
->y_offset
) {
1408 if (el
> es
->y_offset
+ vlc
) {
1409 el
= es
->y_offset
+ vlc
;
1410 ec
= EDIT_EM_LineLength(es
, EDIT_EM_LineIndex(es
, el
));
1412 GetClientRect(es
->hwndSelf
, &rc1
);
1413 IntersectRect(&rcWnd
, &rc1
, &es
->format_rect
);
1415 EDIT_GetLineRect(es
, sl
, sc
, ec
, &rcLine
);
1416 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1417 EDIT_UpdateText(es
, &rcUpdate
, TRUE
);
1419 EDIT_GetLineRect(es
, sl
, sc
,
1420 EDIT_EM_LineLength(es
,
1421 EDIT_EM_LineIndex(es
, sl
)),
1423 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1424 EDIT_UpdateText(es
, &rcUpdate
, TRUE
);
1425 for (l
= sl
+ 1 ; l
< el
; l
++) {
1426 EDIT_GetLineRect(es
, l
, 0,
1427 EDIT_EM_LineLength(es
,
1428 EDIT_EM_LineIndex(es
, l
)),
1430 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1431 EDIT_UpdateText(es
, &rcUpdate
, TRUE
);
1433 EDIT_GetLineRect(es
, el
, 0, ec
, &rcLine
);
1434 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1435 EDIT_UpdateText(es
, &rcUpdate
, TRUE
);
1440 /*********************************************************************
1442 * EDIT_InvalidateText
1444 * Invalidate the text from offset start up to, but not including,
1445 * offset end. Useful for (re)painting the selection.
1446 * Regions outside the linewidth are not invalidated.
1447 * end == -1 means end == TextLength.
1448 * start and end need not be ordered.
1451 static void EDIT_InvalidateText(EDITSTATE
*es
, INT start
, INT end
)
1457 end
= get_text_length(es
);
1465 if (es
->style
& ES_MULTILINE
)
1466 EDIT_ML_InvalidateText(es
, start
, end
);
1468 EDIT_SL_InvalidateText(es
, start
, end
);
1472 /*********************************************************************
1476 * note: unlike the specs say: the order of start and end
1477 * _is_ preserved in Windows. (i.e. start can be > end)
1478 * In other words: this handler is OK
1481 static void EDIT_EM_SetSel(EDITSTATE
*es
, UINT start
, UINT end
, BOOL after_wrap
)
1483 UINT old_start
= es
->selection_start
;
1484 UINT old_end
= es
->selection_end
;
1485 UINT len
= get_text_length(es
);
1487 if (start
== (UINT
)-1) {
1488 start
= es
->selection_end
;
1489 end
= es
->selection_end
;
1491 start
= min(start
, len
);
1492 end
= min(end
, len
);
1494 es
->selection_start
= start
;
1495 es
->selection_end
= end
;
1497 es
->flags
|= EF_AFTER_WRAP
;
1499 es
->flags
&= ~EF_AFTER_WRAP
;
1500 /* Compute the necessary invalidation region. */
1501 /* Note that we don't need to invalidate regions which have
1502 * "never" been selected, or those which are "still" selected.
1503 * In fact, every time we hit a selection boundary, we can
1504 * *toggle* whether we need to invalidate. Thus we can optimize by
1505 * *sorting* the interval endpoints. Let's assume that we sort them
1507 * start <= end <= old_start <= old_end
1508 * Knuth 5.3.1 (p 183) assures us that this can be done optimally
1509 * in 5 comparisons; i.e. it is impossible to do better than the
1511 ORDER_UINT(end
, old_end
);
1512 ORDER_UINT(start
, old_start
);
1513 ORDER_UINT(old_start
, old_end
);
1514 ORDER_UINT(start
, end
);
1515 /* Note that at this point 'end' and 'old_start' are not in order, but
1516 * start is definitely the min. and old_end is definitely the max. */
1517 if (end
!= old_start
)
1521 * ORDER_UINT32(end, old_start);
1522 * EDIT_InvalidateText(es, start, end);
1523 * EDIT_InvalidateText(es, old_start, old_end);
1524 * in place of the following if statement.
1525 * (That would complete the optimal five-comparison four-element sort.)
1527 if (old_start
> end
)
1529 EDIT_InvalidateText(es
, start
, end
);
1530 EDIT_InvalidateText(es
, old_start
, old_end
);
1534 EDIT_InvalidateText(es
, start
, old_start
);
1535 EDIT_InvalidateText(es
, end
, old_end
);
1538 else EDIT_InvalidateText(es
, start
, old_end
);
1542 /*********************************************************************
1544 * EDIT_UpdateScrollInfo
1547 static void EDIT_UpdateScrollInfo(EDITSTATE
*es
)
1549 if ((es
->style
& WS_VSCROLL
) && !(es
->flags
& EF_VSCROLL_TRACK
))
1552 si
.cbSize
= sizeof(SCROLLINFO
);
1553 si
.fMask
= SIF_PAGE
| SIF_POS
| SIF_RANGE
| SIF_DISABLENOSCROLL
;
1555 si
.nMax
= es
->line_count
- 1;
1556 si
.nPage
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
1557 si
.nPos
= es
->y_offset
;
1558 TRACE("SB_VERT, nMin=%d, nMax=%d, nPage=%d, nPos=%d\n",
1559 si
.nMin
, si
.nMax
, si
.nPage
, si
.nPos
);
1560 SetScrollInfo(es
->hwndSelf
, SB_VERT
, &si
, TRUE
);
1563 if ((es
->style
& WS_HSCROLL
) && !(es
->flags
& EF_HSCROLL_TRACK
))
1566 si
.cbSize
= sizeof(SCROLLINFO
);
1567 si
.fMask
= SIF_PAGE
| SIF_POS
| SIF_RANGE
| SIF_DISABLENOSCROLL
;
1569 si
.nMax
= es
->text_width
- 1;
1570 si
.nPage
= es
->format_rect
.right
- es
->format_rect
.left
;
1571 si
.nPos
= es
->x_offset
;
1572 TRACE("SB_HORZ, nMin=%d, nMax=%d, nPage=%d, nPos=%d\n",
1573 si
.nMin
, si
.nMax
, si
.nPage
, si
.nPos
);
1574 SetScrollInfo(es
->hwndSelf
, SB_HORZ
, &si
, TRUE
);
1579 /*********************************************************************
1581 * EDIT_EM_LineScroll_internal
1583 * Version of EDIT_EM_LineScroll for internal use.
1584 * It doesn't refuse if ES_MULTILINE is set and assumes that
1585 * dx is in pixels, dy - in lines.
1588 static BOOL
EDIT_EM_LineScroll_internal(EDITSTATE
*es
, INT dx
, INT dy
)
1591 INT x_offset_in_pixels
;
1592 INT lines_per_page
= (es
->format_rect
.bottom
- es
->format_rect
.top
) /
1595 if (es
->style
& ES_MULTILINE
)
1597 x_offset_in_pixels
= es
->x_offset
;
1602 x_offset_in_pixels
= (short)LOWORD(EDIT_EM_PosFromChar(es
, es
->x_offset
, FALSE
));
1605 if (-dx
> x_offset_in_pixels
)
1606 dx
= -x_offset_in_pixels
;
1607 if (dx
> es
->text_width
- x_offset_in_pixels
)
1608 dx
= es
->text_width
- x_offset_in_pixels
;
1609 nyoff
= max(0, es
->y_offset
+ dy
);
1610 if (nyoff
>= es
->line_count
- lines_per_page
)
1611 nyoff
= max(0, es
->line_count
- lines_per_page
);
1612 dy
= (es
->y_offset
- nyoff
) * es
->line_height
;
1617 es
->y_offset
= nyoff
;
1618 if(es
->style
& ES_MULTILINE
)
1621 es
->x_offset
+= dx
/ es
->char_width
;
1623 GetClientRect(es
->hwndSelf
, &rc1
);
1624 IntersectRect(&rc
, &rc1
, &es
->format_rect
);
1625 ScrollWindowEx(es
->hwndSelf
, -dx
, dy
,
1626 NULL
, &rc
, NULL
, NULL
, SW_INVALIDATE
);
1627 /* force scroll info update */
1628 EDIT_UpdateScrollInfo(es
);
1630 if (dx
&& !(es
->flags
& EF_HSCROLL_TRACK
))
1631 EDIT_NOTIFY_PARENT(es
, EN_HSCROLL
);
1632 if (dy
&& !(es
->flags
& EF_VSCROLL_TRACK
))
1633 EDIT_NOTIFY_PARENT(es
, EN_VSCROLL
);
1637 /*********************************************************************
1641 * NOTE: dx is in average character widths, dy - in lines;
1644 static BOOL
EDIT_EM_LineScroll(EDITSTATE
*es
, INT dx
, INT dy
)
1646 if (!(es
->style
& ES_MULTILINE
))
1649 dx
*= es
->char_width
;
1650 return EDIT_EM_LineScroll_internal(es
, dx
, dy
);
1654 /*********************************************************************
1659 static LRESULT
EDIT_EM_Scroll(EDITSTATE
*es
, INT action
)
1663 if (!(es
->style
& ES_MULTILINE
))
1664 return (LRESULT
)FALSE
;
1674 if (es
->y_offset
< es
->line_count
- 1)
1679 dy
= -(es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
1682 if (es
->y_offset
< es
->line_count
- 1)
1683 dy
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
1686 return (LRESULT
)FALSE
;
1689 INT vlc
= get_vertical_line_count(es
);
1690 /* check if we are going to move too far */
1691 if(es
->y_offset
+ dy
> es
->line_count
- vlc
)
1692 dy
= max(es
->line_count
- vlc
, 0) - es
->y_offset
;
1694 /* Notification is done in EDIT_EM_LineScroll */
1696 EDIT_EM_LineScroll(es
, 0, dy
);
1697 return MAKELONG(dy
, TRUE
);
1701 return (LRESULT
)FALSE
;
1705 /*********************************************************************
1710 static void EDIT_SetCaretPos(EDITSTATE
*es
, INT pos
,
1713 LRESULT res
= EDIT_EM_PosFromChar(es
, pos
, after_wrap
);
1714 TRACE("%d - %dx%d\n", pos
, (short)LOWORD(res
), (short)HIWORD(res
));
1715 SetCaretPos((short)LOWORD(res
), (short)HIWORD(res
));
1719 /*********************************************************************
1724 static void EDIT_EM_ScrollCaret(EDITSTATE
*es
)
1726 if (es
->style
& ES_MULTILINE
) {
1730 INT cw
= es
->char_width
;
1735 l
= EDIT_EM_LineFromChar(es
, es
->selection_end
);
1736 x
= (short)LOWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
));
1737 vlc
= get_vertical_line_count(es
);
1738 if (l
>= es
->y_offset
+ vlc
)
1739 dy
= l
- vlc
+ 1 - es
->y_offset
;
1740 if (l
< es
->y_offset
)
1741 dy
= l
- es
->y_offset
;
1742 ww
= es
->format_rect
.right
- es
->format_rect
.left
;
1743 if (x
< es
->format_rect
.left
)
1744 dx
= x
- es
->format_rect
.left
- ww
/ HSCROLL_FRACTION
/ cw
* cw
;
1745 if (x
> es
->format_rect
.right
)
1746 dx
= x
- es
->format_rect
.left
- (HSCROLL_FRACTION
- 1) * ww
/ HSCROLL_FRACTION
/ cw
* cw
;
1747 if (dy
|| dx
|| (es
->y_offset
&& (es
->line_count
- es
->y_offset
< vlc
)))
1749 /* check if we are going to move too far */
1750 if(es
->x_offset
+ dx
+ ww
> es
->text_width
)
1751 dx
= es
->text_width
- ww
- es
->x_offset
;
1752 if(dx
|| dy
|| (es
->y_offset
&& (es
->line_count
- es
->y_offset
< vlc
)))
1753 EDIT_EM_LineScroll_internal(es
, dx
, dy
);
1760 x
= (short)LOWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, FALSE
));
1761 format_width
= es
->format_rect
.right
- es
->format_rect
.left
;
1762 if (x
< es
->format_rect
.left
) {
1763 goal
= es
->format_rect
.left
+ format_width
/ HSCROLL_FRACTION
;
1766 x
= (short)LOWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, FALSE
));
1767 } while ((x
< goal
) && es
->x_offset
);
1768 /* FIXME: use ScrollWindow() somehow to improve performance */
1769 EDIT_UpdateText(es
, NULL
, TRUE
);
1770 } else if (x
> es
->format_rect
.right
) {
1772 INT len
= get_text_length(es
);
1773 goal
= es
->format_rect
.right
- format_width
/ HSCROLL_FRACTION
;
1776 x
= (short)LOWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, FALSE
));
1777 x_last
= (short)LOWORD(EDIT_EM_PosFromChar(es
, len
, FALSE
));
1778 } while ((x
> goal
) && (x_last
> es
->format_rect
.right
));
1779 /* FIXME: use ScrollWindow() somehow to improve performance */
1780 EDIT_UpdateText(es
, NULL
, TRUE
);
1784 if(es
->flags
& EF_FOCUSED
)
1785 EDIT_SetCaretPos(es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
);
1789 /*********************************************************************
1794 static void EDIT_MoveBackward(EDITSTATE
*es
, BOOL extend
)
1796 INT e
= es
->selection_end
;
1800 if ((es
->style
& ES_MULTILINE
) && e
&&
1801 (es
->text
[e
- 1] == '\r') && (es
->text
[e
] == '\n')) {
1803 if (e
&& (es
->text
[e
- 1] == '\r'))
1807 EDIT_EM_SetSel(es
, extend
? es
->selection_start
: e
, e
, FALSE
);
1808 EDIT_EM_ScrollCaret(es
);
1812 /*********************************************************************
1816 * Only for multi line controls
1817 * Move the caret one line down, on a column with the nearest
1818 * x coordinate on the screen (might be a different column).
1821 static void EDIT_MoveDown_ML(EDITSTATE
*es
, BOOL extend
)
1823 INT s
= es
->selection_start
;
1824 INT e
= es
->selection_end
;
1825 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
1826 LRESULT pos
= EDIT_EM_PosFromChar(es
, e
, after_wrap
);
1827 INT x
= (short)LOWORD(pos
);
1828 INT y
= (short)HIWORD(pos
);
1830 e
= EDIT_CharFromPos(es
, x
, y
+ es
->line_height
, &after_wrap
);
1833 EDIT_EM_SetSel(es
, s
, e
, after_wrap
);
1834 EDIT_EM_ScrollCaret(es
);
1838 /*********************************************************************
1843 static void EDIT_MoveEnd(EDITSTATE
*es
, BOOL extend
, BOOL ctrl
)
1845 BOOL after_wrap
= FALSE
;
1848 /* Pass a high value in x to make sure of receiving the end of the line */
1849 if (!ctrl
&& (es
->style
& ES_MULTILINE
))
1850 e
= EDIT_CharFromPos(es
, 0x3fffffff,
1851 HIWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
)), &after_wrap
);
1853 e
= get_text_length(es
);
1854 EDIT_EM_SetSel(es
, extend
? es
->selection_start
: e
, e
, after_wrap
);
1855 EDIT_EM_ScrollCaret(es
);
1859 /*********************************************************************
1864 static void EDIT_MoveForward(EDITSTATE
*es
, BOOL extend
)
1866 INT e
= es
->selection_end
;
1870 if ((es
->style
& ES_MULTILINE
) && (es
->text
[e
- 1] == '\r')) {
1871 if (es
->text
[e
] == '\n')
1873 else if ((es
->text
[e
] == '\r') && (es
->text
[e
+ 1] == '\n'))
1877 EDIT_EM_SetSel(es
, extend
? es
->selection_start
: e
, e
, FALSE
);
1878 EDIT_EM_ScrollCaret(es
);
1882 /*********************************************************************
1886 * Home key: move to beginning of line.
1889 static void EDIT_MoveHome(EDITSTATE
*es
, BOOL extend
, BOOL ctrl
)
1893 /* Pass the x_offset in x to make sure of receiving the first position of the line */
1894 if (!ctrl
&& (es
->style
& ES_MULTILINE
))
1895 e
= EDIT_CharFromPos(es
, -es
->x_offset
,
1896 HIWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
)), NULL
);
1899 EDIT_EM_SetSel(es
, extend
? es
->selection_start
: e
, e
, FALSE
);
1900 EDIT_EM_ScrollCaret(es
);
1904 /*********************************************************************
1906 * EDIT_MovePageDown_ML
1908 * Only for multi line controls
1909 * Move the caret one page down, on a column with the nearest
1910 * x coordinate on the screen (might be a different column).
1913 static void EDIT_MovePageDown_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
,
1923 y
+ (es
->format_rect
.bottom
- es
->format_rect
.top
),
1927 EDIT_EM_SetSel(es
, s
, e
, after_wrap
);
1928 EDIT_EM_ScrollCaret(es
);
1932 /*********************************************************************
1934 * EDIT_MovePageUp_ML
1936 * Only for multi line controls
1937 * Move the caret one page up, on a column with the nearest
1938 * x coordinate on the screen (might be a different column).
1941 static void EDIT_MovePageUp_ML(EDITSTATE
*es
, BOOL extend
)
1943 INT s
= es
->selection_start
;
1944 INT e
= es
->selection_end
;
1945 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
1946 LRESULT pos
= EDIT_EM_PosFromChar(es
, e
, after_wrap
);
1947 INT x
= (short)LOWORD(pos
);
1948 INT y
= (short)HIWORD(pos
);
1950 e
= EDIT_CharFromPos(es
, x
,
1951 y
- (es
->format_rect
.bottom
- es
->format_rect
.top
),
1955 EDIT_EM_SetSel(es
, s
, e
, after_wrap
);
1956 EDIT_EM_ScrollCaret(es
);
1960 /*********************************************************************
1964 * Only for multi line controls
1965 * Move the caret one line up, on a column with the nearest
1966 * x coordinate on the screen (might be a different column).
1969 static void EDIT_MoveUp_ML(EDITSTATE
*es
, BOOL extend
)
1971 INT s
= es
->selection_start
;
1972 INT e
= es
->selection_end
;
1973 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
1974 LRESULT pos
= EDIT_EM_PosFromChar(es
, e
, after_wrap
);
1975 INT x
= (short)LOWORD(pos
);
1976 INT y
= (short)HIWORD(pos
);
1978 e
= EDIT_CharFromPos(es
, x
, y
- es
->line_height
, &after_wrap
);
1981 EDIT_EM_SetSel(es
, s
, e
, after_wrap
);
1982 EDIT_EM_ScrollCaret(es
);
1986 /*********************************************************************
1988 * EDIT_MoveWordBackward
1991 static void EDIT_MoveWordBackward(EDITSTATE
*es
, BOOL extend
)
1993 INT s
= es
->selection_start
;
1994 INT e
= es
->selection_end
;
1999 l
= EDIT_EM_LineFromChar(es
, e
);
2000 ll
= EDIT_EM_LineLength(es
, e
);
2001 li
= EDIT_EM_LineIndex(es
, l
);
2004 li
= EDIT_EM_LineIndex(es
, l
- 1);
2005 e
= li
+ EDIT_EM_LineLength(es
, li
);
2008 e
= li
+ EDIT_CallWordBreakProc(es
, li
, e
- li
, ll
, WB_LEFT
);
2012 EDIT_EM_SetSel(es
, s
, e
, FALSE
);
2013 EDIT_EM_ScrollCaret(es
);
2017 /*********************************************************************
2019 * EDIT_MoveWordForward
2022 static void EDIT_MoveWordForward(EDITSTATE
*es
, BOOL extend
)
2024 INT s
= es
->selection_start
;
2025 INT e
= es
->selection_end
;
2030 l
= EDIT_EM_LineFromChar(es
, e
);
2031 ll
= EDIT_EM_LineLength(es
, e
);
2032 li
= EDIT_EM_LineIndex(es
, l
);
2034 if ((es
->style
& ES_MULTILINE
) && (l
!= es
->line_count
- 1))
2035 e
= EDIT_EM_LineIndex(es
, l
+ 1);
2037 e
= li
+ EDIT_CallWordBreakProc(es
,
2038 li
, e
- li
+ 1, ll
, WB_RIGHT
);
2042 EDIT_EM_SetSel(es
, s
, e
, FALSE
);
2043 EDIT_EM_ScrollCaret(es
);
2047 /*********************************************************************
2052 static INT
EDIT_PaintText(EDITSTATE
*es
, HDC dc
, INT x
, INT y
, INT line
, INT col
, INT count
, BOOL rev
)
2056 LOGFONTW underline_font
;
2057 HFONT hUnderline
= 0;
2066 BkMode
= GetBkMode(dc
);
2067 BkColor
= GetBkColor(dc
);
2068 TextColor
= GetTextColor(dc
);
2070 if (es
->composition_len
== 0)
2072 SetBkColor(dc
, GetSysColor(COLOR_HIGHLIGHT
));
2073 SetTextColor(dc
, GetSysColor(COLOR_HIGHLIGHTTEXT
));
2074 SetBkMode( dc
, OPAQUE
);
2078 HFONT current
= GetCurrentObject(dc
,OBJ_FONT
);
2079 GetObjectW(current
,sizeof(LOGFONTW
),&underline_font
);
2080 underline_font
.lfUnderline
= TRUE
;
2081 hUnderline
= CreateFontIndirectW(&underline_font
);
2082 old_font
= SelectObject(dc
,hUnderline
);
2085 li
= EDIT_EM_LineIndex(es
, line
);
2086 if (es
->style
& ES_MULTILINE
) {
2087 ret
= (INT
)LOWORD(TabbedTextOutW(dc
, x
, y
, es
->text
+ li
+ col
, count
,
2088 es
->tabs_count
, es
->tabs
, es
->format_rect
.left
- es
->x_offset
));
2090 LPWSTR text
= es
->text
;
2091 TextOutW(dc
, x
, y
, text
+ li
+ col
, count
);
2092 GetTextExtentPoint32W(dc
, text
+ li
+ col
, count
, &size
);
2094 if (es
->style
& ES_PASSWORD
)
2095 HeapFree(GetProcessHeap(), 0, text
);
2098 if (es
->composition_len
== 0)
2100 SetBkColor(dc
, BkColor
);
2101 SetTextColor(dc
, TextColor
);
2102 SetBkMode( dc
, BkMode
);
2107 SelectObject(dc
,old_font
);
2109 DeleteObject(hUnderline
);
2116 /*********************************************************************
2121 static void EDIT_PaintLine(EDITSTATE
*es
, HDC dc
, INT line
, BOOL rev
)
2130 SCRIPT_STRING_ANALYSIS ssa
;
2132 if (es
->style
& ES_MULTILINE
) {
2133 INT vlc
= get_vertical_line_count(es
);
2135 if ((line
< es
->y_offset
) || (line
> es
->y_offset
+ vlc
) || (line
>= es
->line_count
))
2140 TRACE("line=%d\n", line
);
2142 ssa
= EDIT_UpdateUniscribeData(es
, dc
, line
);
2143 pos
= EDIT_EM_PosFromChar(es
, EDIT_EM_LineIndex(es
, line
), FALSE
);
2144 x
= (short)LOWORD(pos
);
2145 y
= (short)HIWORD(pos
);
2147 if (es
->style
& ES_MULTILINE
)
2149 int line_idx
= line
;
2151 if (es
->style
& ES_RIGHT
|| es
->style
& ES_CENTER
)
2153 LINEDEF
*line_def
= es
->first_line_def
;
2156 while (line_def
&& line_idx
)
2158 line_def
= line_def
->next
;
2161 w
= es
->format_rect
.right
- es
->format_rect
.left
;
2162 lw
= line_def
->width
;
2164 if (es
->style
& ES_RIGHT
)
2166 else if (es
->style
& ES_CENTER
)
2169 x
+= es
->format_rect
.left
;
2172 li
= EDIT_EM_LineIndex(es
, line
);
2173 ll
= EDIT_EM_LineLength(es
, li
);
2174 s
= min(es
->selection_start
, es
->selection_end
);
2175 e
= max(es
->selection_start
, es
->selection_end
);
2176 s
= min(li
+ ll
, max(li
, s
));
2177 e
= min(li
+ ll
, max(li
, e
));
2179 ScriptStringOut(ssa
, x
, y
, 0, &es
->format_rect
, s
- li
, e
- li
, FALSE
);
2180 else if (rev
&& (s
!= e
) &&
2181 ((es
->flags
& EF_FOCUSED
) || (es
->style
& ES_NOHIDESEL
))) {
2182 x
+= EDIT_PaintText(es
, dc
, x
, y
, line
, 0, s
- li
, FALSE
);
2183 x
+= EDIT_PaintText(es
, dc
, x
, y
, line
, s
- li
, e
- s
, TRUE
);
2184 x
+= EDIT_PaintText(es
, dc
, x
, y
, line
, e
- li
, li
+ ll
- e
, FALSE
);
2186 x
+= EDIT_PaintText(es
, dc
, x
, y
, line
, 0, ll
, FALSE
);
2190 /*********************************************************************
2192 * EDIT_AdjustFormatRect
2194 * Adjusts the format rectangle for the current font and the
2195 * current client rectangle.
2198 static void EDIT_AdjustFormatRect(EDITSTATE
*es
)
2202 es
->format_rect
.right
= max(es
->format_rect
.right
, es
->format_rect
.left
+ es
->char_width
);
2203 if (es
->style
& ES_MULTILINE
)
2205 INT fw
, vlc
, max_x_offset
, max_y_offset
;
2207 vlc
= get_vertical_line_count(es
);
2208 es
->format_rect
.bottom
= es
->format_rect
.top
+ vlc
* es
->line_height
;
2210 /* correct es->x_offset */
2211 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
2212 max_x_offset
= es
->text_width
- fw
;
2213 if(max_x_offset
< 0) max_x_offset
= 0;
2214 if(es
->x_offset
> max_x_offset
)
2215 es
->x_offset
= max_x_offset
;
2217 /* correct es->y_offset */
2218 max_y_offset
= es
->line_count
- vlc
;
2219 if(max_y_offset
< 0) max_y_offset
= 0;
2220 if(es
->y_offset
> max_y_offset
)
2221 es
->y_offset
= max_y_offset
;
2223 /* force scroll info update */
2224 EDIT_UpdateScrollInfo(es
);
2227 /* Windows doesn't care to fix text placement for SL controls */
2228 es
->format_rect
.bottom
= es
->format_rect
.top
+ es
->line_height
;
2230 /* Always stay within the client area */
2231 GetClientRect(es
->hwndSelf
, &ClientRect
);
2232 es
->format_rect
.bottom
= min(es
->format_rect
.bottom
, ClientRect
.bottom
);
2234 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_AUTOHSCROLL
))
2235 EDIT_BuildLineDefs_ML(es
, 0, get_text_length(es
), 0, NULL
);
2237 EDIT_SetCaretPos(es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
);
2241 /*********************************************************************
2245 * note: this is not (exactly) the handler called on EM_SETRECTNP
2246 * it is also used to set the rect of a single line control
2249 static void EDIT_SetRectNP(EDITSTATE
*es
, const RECT
*rc
)
2253 ExStyle
= GetWindowLongPtrW(es
->hwndSelf
, GWL_EXSTYLE
);
2255 CopyRect(&es
->format_rect
, rc
);
2257 if (ExStyle
& WS_EX_CLIENTEDGE
) {
2258 es
->format_rect
.left
++;
2259 es
->format_rect
.right
--;
2261 if (es
->format_rect
.bottom
- es
->format_rect
.top
2262 >= es
->line_height
+ 2)
2264 es
->format_rect
.top
++;
2265 es
->format_rect
.bottom
--;
2268 else if (es
->style
& WS_BORDER
) {
2269 bw
= GetSystemMetrics(SM_CXBORDER
) + 1;
2270 bh
= GetSystemMetrics(SM_CYBORDER
) + 1;
2271 es
->format_rect
.left
+= bw
;
2272 es
->format_rect
.right
-= bw
;
2273 if (es
->format_rect
.bottom
- es
->format_rect
.top
2274 >= es
->line_height
+ 2 * bh
)
2276 es
->format_rect
.top
+= bh
;
2277 es
->format_rect
.bottom
-= bh
;
2281 es
->format_rect
.left
+= es
->left_margin
;
2282 es
->format_rect
.right
-= es
->right_margin
;
2283 EDIT_AdjustFormatRect(es
);
2287 /*********************************************************************
2291 * returns line number (not index) in high-order word of result.
2292 * NB : Q137805 is unclear about this. POINT * pointer in lParam apply
2293 * to Richedit, not to the edit control. Original documentation is valid.
2294 * FIXME: do the specs mean to return -1 if outside client area or
2295 * if outside formatting rectangle ???
2298 static LRESULT
EDIT_EM_CharFromPos(EDITSTATE
*es
, INT x
, INT y
)
2306 GetClientRect(es
->hwndSelf
, &rc
);
2307 if (!PtInRect(&rc
, pt
))
2310 index
= EDIT_CharFromPos(es
, x
, y
, NULL
);
2311 return MAKELONG(index
, EDIT_EM_LineFromChar(es
, index
));
2315 /*********************************************************************
2319 * Enable or disable soft breaks.
2321 * This means: insert or remove the soft linebreak character (\r\r\n).
2322 * Take care to check if the text still fits the buffer after insertion.
2323 * If not, notify with EN_ERRSPACE.
2326 static BOOL
EDIT_EM_FmtLines(EDITSTATE
*es
, BOOL add_eol
)
2328 es
->flags
&= ~EF_USE_SOFTBRK
;
2330 es
->flags
|= EF_USE_SOFTBRK
;
2331 FIXME("soft break enabled, not implemented\n");
2337 /*********************************************************************
2341 * Hopefully this won't fire back at us.
2342 * We always start with a fixed buffer in the local heap.
2343 * Despite of the documentation says that the local heap is used
2344 * only if DS_LOCALEDIT flag is set, NT and 2000 always allocate
2345 * buffer on the local heap.
2348 static HLOCAL
EDIT_EM_GetHandle(EDITSTATE
*es
)
2352 if (!(es
->style
& ES_MULTILINE
))
2356 hLocal
= es
->hloc32W
;
2362 UINT countA
, alloc_size
;
2363 TRACE("Allocating 32-bit ANSI alias buffer\n");
2364 countA
= WideCharToMultiByte(CP_ACP
, 0, es
->text
, -1, NULL
, 0, NULL
, NULL
);
2365 alloc_size
= ROUND_TO_GROW(countA
);
2366 if(!(es
->hloc32A
= LocalAlloc(LMEM_MOVEABLE
| LMEM_ZEROINIT
, alloc_size
)))
2368 ERR("Could not allocate %d bytes for 32-bit ANSI alias buffer\n", alloc_size
);
2371 textA
= LocalLock(es
->hloc32A
);
2372 WideCharToMultiByte(CP_ACP
, 0, es
->text
, -1, textA
, countA
, NULL
, NULL
);
2373 LocalUnlock(es
->hloc32A
);
2375 hLocal
= es
->hloc32A
;
2378 es
->flags
|= EF_APP_HAS_HANDLE
;
2379 TRACE("Returning %p, LocalSize() = %ld\n", hLocal
, LocalSize(hLocal
));
2384 /*********************************************************************
2389 static INT
EDIT_EM_GetLine(EDITSTATE
*es
, INT line
, LPWSTR dst
, BOOL unicode
)
2392 INT line_len
, dst_len
;
2395 if (es
->style
& ES_MULTILINE
) {
2396 if (line
>= es
->line_count
)
2400 i
= EDIT_EM_LineIndex(es
, line
);
2402 line_len
= EDIT_EM_LineLength(es
, i
);
2403 dst_len
= *(WORD
*)dst
;
2406 if(dst_len
<= line_len
)
2408 memcpy(dst
, src
, dst_len
* sizeof(WCHAR
));
2411 else /* Append 0 if enough space */
2413 memcpy(dst
, src
, line_len
* sizeof(WCHAR
));
2420 INT ret
= WideCharToMultiByte(CP_ACP
, 0, src
, line_len
, (LPSTR
)dst
, dst_len
, NULL
, NULL
);
2421 if(!ret
&& line_len
) /* Insufficient buffer size */
2423 if(ret
< dst_len
) /* Append 0 if enough space */
2424 ((LPSTR
)dst
)[ret
] = 0;
2430 /*********************************************************************
2435 static LRESULT
EDIT_EM_GetSel(const EDITSTATE
*es
, PUINT start
, PUINT end
)
2437 UINT s
= es
->selection_start
;
2438 UINT e
= es
->selection_end
;
2445 return MAKELONG(s
, e
);
2449 /*********************************************************************
2453 * FIXME: handle ES_NUMBER and ES_OEMCONVERT here
2456 static void EDIT_EM_ReplaceSel(EDITSTATE
*es
, BOOL can_undo
, LPCWSTR lpsz_replace
, BOOL send_update
, BOOL honor_limit
)
2458 UINT strl
= strlenW(lpsz_replace
);
2459 UINT tl
= get_text_length(es
);
2470 TRACE("%s, can_undo %d, send_update %d\n",
2471 debugstr_w(lpsz_replace
), can_undo
, send_update
);
2473 s
= es
->selection_start
;
2474 e
= es
->selection_end
;
2476 EDIT_InvalidateUniscribeData(es
);
2477 if ((s
== e
) && !strl
)
2482 size
= tl
- (e
- s
) + strl
;
2486 /* Issue the EN_MAXTEXT notification and continue with replacing text
2487 * such that buffer limit is honored. */
2488 if ((honor_limit
) && (size
> es
->buffer_limit
)) {
2489 EDIT_NOTIFY_PARENT(es
, EN_MAXTEXT
);
2490 /* Buffer limit can be smaller than the actual length of text in combobox */
2491 if (es
->buffer_limit
< (tl
- (e
-s
)))
2494 strl
= es
->buffer_limit
- (tl
- (e
-s
));
2497 if (!EDIT_MakeFit(es
, tl
- (e
- s
) + strl
))
2501 /* there is something to be deleted */
2502 TRACE("deleting stuff.\n");
2504 buf
= HeapAlloc(GetProcessHeap(), 0, (bufl
+ 1) * sizeof(WCHAR
));
2506 memcpy(buf
, es
->text
+ s
, bufl
* sizeof(WCHAR
));
2507 buf
[bufl
] = 0; /* ensure 0 termination */
2509 strcpyW(es
->text
+ s
, es
->text
+ e
);
2510 text_buffer_changed(es
);
2513 /* there is an insertion */
2514 tl
= get_text_length(es
);
2515 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
));
2516 for (p
= es
->text
+ tl
; p
>= es
->text
+ s
; p
--)
2518 for (i
= 0 , p
= es
->text
+ s
; i
< strl
; i
++)
2519 p
[i
] = lpsz_replace
[i
];
2520 if(es
->style
& ES_UPPERCASE
)
2521 CharUpperBuffW(p
, strl
);
2522 else if(es
->style
& ES_LOWERCASE
)
2523 CharLowerBuffW(p
, strl
);
2524 text_buffer_changed(es
);
2526 if (es
->style
& ES_MULTILINE
)
2528 INT st
= min(es
->selection_start
, es
->selection_end
);
2529 INT vlc
= get_vertical_line_count(es
);
2531 hrgn
= CreateRectRgn(0, 0, 0, 0);
2532 EDIT_BuildLineDefs_ML(es
, st
, st
+ strl
,
2533 strl
- abs(es
->selection_end
- es
->selection_start
), hrgn
);
2534 /* if text is too long undo all changes */
2535 if (honor_limit
&& !(es
->style
& ES_AUTOVSCROLL
) && (es
->line_count
> vlc
)) {
2537 strcpyW(es
->text
+ e
, es
->text
+ e
+ strl
);
2539 for (i
= 0 , p
= es
->text
; i
< e
- s
; i
++)
2541 text_buffer_changed(es
);
2542 EDIT_BuildLineDefs_ML(es
, s
, e
,
2543 abs(es
->selection_end
- es
->selection_start
) - strl
, hrgn
);
2546 hrgn
= CreateRectRgn(0, 0, 0, 0);
2547 EDIT_NOTIFY_PARENT(es
, EN_MAXTEXT
);
2551 INT fw
= es
->format_rect
.right
- es
->format_rect
.left
;
2552 EDIT_InvalidateUniscribeData(es
);
2553 EDIT_CalcLineWidth_SL(es
);
2554 /* remove chars that don't fit */
2555 if (honor_limit
&& !(es
->style
& ES_AUTOHSCROLL
) && (es
->text_width
> fw
)) {
2556 while ((es
->text_width
> fw
) && s
+ strl
>= s
) {
2557 strcpyW(es
->text
+ s
+ strl
- 1, es
->text
+ s
+ strl
);
2559 es
->text_length
= -1;
2560 EDIT_InvalidateUniscribeData(es
);
2561 EDIT_CalcLineWidth_SL(es
);
2563 text_buffer_changed(es
);
2564 EDIT_NOTIFY_PARENT(es
, EN_MAXTEXT
);
2570 utl
= strlenW(es
->undo_text
);
2571 if (!es
->undo_insert_count
&& (*es
->undo_text
&& (s
== es
->undo_position
))) {
2572 /* undo-buffer is extended to the right */
2573 EDIT_MakeUndoFit(es
, utl
+ e
- s
);
2574 memcpy(es
->undo_text
+ utl
, buf
, (e
- s
)*sizeof(WCHAR
));
2575 (es
->undo_text
+ utl
)[e
- s
] = 0; /* ensure 0 termination */
2576 } else if (!es
->undo_insert_count
&& (*es
->undo_text
&& (e
== es
->undo_position
))) {
2577 /* undo-buffer is extended to the left */
2578 EDIT_MakeUndoFit(es
, utl
+ e
- s
);
2579 for (p
= es
->undo_text
+ utl
; p
>= es
->undo_text
; p
--)
2581 for (i
= 0 , p
= es
->undo_text
; i
< e
- s
; i
++)
2583 es
->undo_position
= s
;
2585 /* new undo-buffer */
2586 EDIT_MakeUndoFit(es
, e
- s
);
2587 memcpy(es
->undo_text
, buf
, (e
- s
)*sizeof(WCHAR
));
2588 es
->undo_text
[e
- s
] = 0; /* ensure 0 termination */
2589 es
->undo_position
= s
;
2591 /* any deletion makes the old insertion-undo invalid */
2592 es
->undo_insert_count
= 0;
2594 EDIT_EM_EmptyUndoBuffer(es
);
2598 if ((s
== es
->undo_position
) ||
2599 ((es
->undo_insert_count
) &&
2600 (s
== es
->undo_position
+ es
->undo_insert_count
)))
2602 * insertion is new and at delete position or
2603 * an extension to either left or right
2605 es
->undo_insert_count
+= strl
;
2607 /* new insertion undo */
2608 es
->undo_position
= s
;
2609 es
->undo_insert_count
= strl
;
2610 /* new insertion makes old delete-buffer invalid */
2611 *es
->undo_text
= '\0';
2614 EDIT_EM_EmptyUndoBuffer(es
);
2618 HeapFree(GetProcessHeap(), 0, buf
);
2622 /* If text has been deleted and we're right or center aligned then scroll rightward */
2623 if (es
->style
& (ES_RIGHT
| ES_CENTER
))
2625 INT delta
= strl
- abs(es
->selection_end
- es
->selection_start
);
2627 if (delta
< 0 && es
->x_offset
)
2629 if (abs(delta
) > es
->x_offset
)
2632 es
->x_offset
+= delta
;
2636 EDIT_EM_SetSel(es
, s
, s
, FALSE
);
2637 es
->flags
|= EF_MODIFIED
;
2638 if (send_update
) es
->flags
|= EF_UPDATE
;
2641 EDIT_UpdateTextRegion(es
, hrgn
, TRUE
);
2645 EDIT_UpdateText(es
, NULL
, TRUE
);
2647 EDIT_EM_ScrollCaret(es
);
2649 /* force scroll info update */
2650 EDIT_UpdateScrollInfo(es
);
2653 if(send_update
|| (es
->flags
& EF_UPDATE
))
2655 es
->flags
&= ~EF_UPDATE
;
2656 EDIT_NOTIFY_PARENT(es
, EN_CHANGE
);
2658 EDIT_InvalidateUniscribeData(es
);
2662 /*********************************************************************
2666 * FIXME: ES_LOWERCASE, ES_UPPERCASE, ES_OEMCONVERT, ES_NUMBER ???
2669 static void EDIT_EM_SetHandle(EDITSTATE
*es
, HLOCAL hloc
)
2671 if (!(es
->style
& ES_MULTILINE
))
2675 WARN("called with NULL handle\n");
2679 EDIT_UnlockBuffer(es
, TRUE
);
2685 LocalFree(es
->hloc32A
);
2697 countA
= LocalSize(hloc
);
2698 textA
= LocalLock(hloc
);
2699 countW
= MultiByteToWideChar(CP_ACP
, 0, textA
, countA
, NULL
, 0);
2700 if(!(hloc32W_new
= LocalAlloc(LMEM_MOVEABLE
| LMEM_ZEROINIT
, countW
* sizeof(WCHAR
))))
2702 ERR("Could not allocate new unicode buffer\n");
2705 textW
= LocalLock(hloc32W_new
);
2706 MultiByteToWideChar(CP_ACP
, 0, textA
, countA
, textW
, countW
);
2707 LocalUnlock(hloc32W_new
);
2711 LocalFree(es
->hloc32W
);
2713 es
->hloc32W
= hloc32W_new
;
2717 es
->buffer_size
= LocalSize(es
->hloc32W
)/sizeof(WCHAR
) - 1;
2719 es
->flags
|= EF_APP_HAS_HANDLE
;
2720 EDIT_LockBuffer(es
);
2722 es
->x_offset
= es
->y_offset
= 0;
2723 es
->selection_start
= es
->selection_end
= 0;
2724 EDIT_EM_EmptyUndoBuffer(es
);
2725 es
->flags
&= ~EF_MODIFIED
;
2726 es
->flags
&= ~EF_UPDATE
;
2727 EDIT_BuildLineDefs_ML(es
, 0, get_text_length(es
), 0, NULL
);
2728 EDIT_UpdateText(es
, NULL
, TRUE
);
2729 EDIT_EM_ScrollCaret(es
);
2730 /* force scroll info update */
2731 EDIT_UpdateScrollInfo(es
);
2735 /*********************************************************************
2739 * NOTE: this version currently implements WinNT limits
2742 static void EDIT_EM_SetLimitText(EDITSTATE
*es
, UINT limit
)
2744 if (!limit
) limit
= ~0u;
2745 if (!(es
->style
& ES_MULTILINE
)) limit
= min(limit
, 0x7ffffffe);
2746 es
->buffer_limit
= limit
;
2750 /*********************************************************************
2754 * EC_USEFONTINFO is used as a left or right value i.e. lParam and not as an
2755 * action wParam despite what the docs say. EC_USEFONTINFO calculates the
2756 * margin according to the textmetrics of the current font.
2758 * FIXME - With TrueType or vector fonts EC_USEFONTINFO currently sets one third
2759 * of the char's width as the margin, but this is not how Windows handles this.
2760 * For all other fonts Windows sets the margins to zero.
2762 * FIXME - When EC_USEFONTINFO is used the margins only change if the
2763 * edit control is equal to or larger than a certain size.
2764 * Interestingly if one subtracts both the left and right margins from
2765 * this size one always seems to get an even number. The extents of
2766 * the (four character) string "'**'" match this quite closely, so
2767 * we'll use this until we come up with a better idea.
2769 static int calc_min_set_margin_size(HDC dc
, INT left
, INT right
)
2771 WCHAR magic_string
[] = {'\'','*','*','\'', 0};
2774 GetTextExtentPointW(dc
, magic_string
, sizeof(magic_string
)/sizeof(WCHAR
) - 1, &sz
);
2775 return sz
.cx
+ left
+ right
;
2778 static void EDIT_EM_SetMargins(EDITSTATE
*es
, INT action
,
2779 WORD left
, WORD right
, BOOL repaint
)
2782 INT default_left_margin
= 0; /* in pixels */
2783 INT default_right_margin
= 0; /* in pixels */
2785 /* Set the default margins depending on the font */
2786 if (es
->font
&& (left
== EC_USEFONTINFO
|| right
== EC_USEFONTINFO
)) {
2787 HDC dc
= GetDC(es
->hwndSelf
);
2788 HFONT old_font
= SelectObject(dc
, es
->font
);
2789 GetTextMetricsW(dc
, &tm
);
2790 /* The default margins are only non zero for TrueType or Vector fonts */
2791 if (tm
.tmPitchAndFamily
& ( TMPF_VECTOR
| TMPF_TRUETYPE
)) {
2794 /* This must be calculated more exactly! But how? */
2795 default_left_margin
= tm
.tmAveCharWidth
/ 2;
2796 default_right_margin
= tm
.tmAveCharWidth
/ 2;
2797 min_size
= calc_min_set_margin_size(dc
, default_left_margin
, default_right_margin
);
2798 GetClientRect(es
->hwndSelf
, &rc
);
2799 if(rc
.right
- rc
.left
< min_size
) {
2800 default_left_margin
= es
->left_margin
;
2801 default_right_margin
= es
->right_margin
;
2804 SelectObject(dc
, old_font
);
2805 ReleaseDC(es
->hwndSelf
, dc
);
2808 if (action
& EC_LEFTMARGIN
) {
2809 es
->format_rect
.left
-= es
->left_margin
;
2810 if (left
!= EC_USEFONTINFO
)
2811 es
->left_margin
= left
;
2813 es
->left_margin
= default_left_margin
;
2814 es
->format_rect
.left
+= es
->left_margin
;
2817 if (action
& EC_RIGHTMARGIN
) {
2818 es
->format_rect
.right
+= es
->right_margin
;
2819 if (right
!= EC_USEFONTINFO
)
2820 es
->right_margin
= right
;
2822 es
->right_margin
= default_right_margin
;
2823 es
->format_rect
.right
-= es
->right_margin
;
2826 if (action
& (EC_LEFTMARGIN
| EC_RIGHTMARGIN
)) {
2827 EDIT_AdjustFormatRect(es
);
2828 if (repaint
) EDIT_UpdateText(es
, NULL
, TRUE
);
2831 TRACE("left=%d, right=%d\n", es
->left_margin
, es
->right_margin
);
2835 /*********************************************************************
2837 * EM_SETPASSWORDCHAR
2840 static void EDIT_EM_SetPasswordChar(EDITSTATE
*es
, WCHAR c
)
2844 if (es
->style
& ES_MULTILINE
)
2847 if (es
->password_char
== c
)
2850 style
= GetWindowLongW( es
->hwndSelf
, GWL_STYLE
);
2851 es
->password_char
= c
;
2853 SetWindowLongW( es
->hwndSelf
, GWL_STYLE
, style
| ES_PASSWORD
);
2854 es
->style
|= ES_PASSWORD
;
2856 SetWindowLongW( es
->hwndSelf
, GWL_STYLE
, style
& ~ES_PASSWORD
);
2857 es
->style
&= ~ES_PASSWORD
;
2859 EDIT_InvalidateUniscribeData(es
);
2860 EDIT_UpdateText(es
, NULL
, TRUE
);
2864 /*********************************************************************
2869 static BOOL
EDIT_EM_SetTabStops(EDITSTATE
*es
, INT count
, const INT
*tabs
)
2871 if (!(es
->style
& ES_MULTILINE
))
2873 HeapFree(GetProcessHeap(), 0, es
->tabs
);
2874 es
->tabs_count
= count
;
2878 es
->tabs
= HeapAlloc(GetProcessHeap(), 0, count
* sizeof(INT
));
2879 memcpy(es
->tabs
, tabs
, count
* sizeof(INT
));
2881 EDIT_InvalidateUniscribeData(es
);
2886 /*********************************************************************
2888 * EM_SETWORDBREAKPROC
2891 static void EDIT_EM_SetWordBreakProc(EDITSTATE
*es
, void *wbp
)
2893 if (es
->word_break_proc
== wbp
)
2896 es
->word_break_proc
= wbp
;
2898 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_AUTOHSCROLL
)) {
2899 EDIT_BuildLineDefs_ML(es
, 0, get_text_length(es
), 0, NULL
);
2900 EDIT_UpdateText(es
, NULL
, TRUE
);
2905 /*********************************************************************
2910 static BOOL
EDIT_EM_Undo(EDITSTATE
*es
)
2915 /* As per MSDN spec, for a single-line edit control,
2916 the return value is always TRUE */
2917 if( es
->style
& ES_READONLY
)
2918 return !(es
->style
& ES_MULTILINE
);
2920 ulength
= strlenW(es
->undo_text
);
2922 utext
= HeapAlloc(GetProcessHeap(), 0, (ulength
+ 1) * sizeof(WCHAR
));
2924 strcpyW(utext
, es
->undo_text
);
2926 TRACE("before UNDO:insertion length = %d, deletion buffer = %s\n",
2927 es
->undo_insert_count
, debugstr_w(utext
));
2929 EDIT_EM_SetSel(es
, es
->undo_position
, es
->undo_position
+ es
->undo_insert_count
, FALSE
);
2930 EDIT_EM_EmptyUndoBuffer(es
);
2931 EDIT_EM_ReplaceSel(es
, TRUE
, utext
, TRUE
, TRUE
);
2932 EDIT_EM_SetSel(es
, es
->undo_position
, es
->undo_position
+ es
->undo_insert_count
, FALSE
);
2933 /* send the notification after the selection start and end are set */
2934 EDIT_NOTIFY_PARENT(es
, EN_CHANGE
);
2935 EDIT_EM_ScrollCaret(es
);
2936 HeapFree(GetProcessHeap(), 0, utext
);
2938 TRACE("after UNDO:insertion length = %d, deletion buffer = %s\n",
2939 es
->undo_insert_count
, debugstr_w(es
->undo_text
));
2944 /* Helper function for WM_CHAR
2946 * According to an MSDN blog article titled "Just because you're a control
2947 * doesn't mean that you're necessarily inside a dialog box," multiline edit
2948 * controls without ES_WANTRETURN would attempt to detect whether it is inside
2949 * a dialog box or not.
2951 static inline BOOL
EDIT_IsInsideDialog(EDITSTATE
*es
)
2953 return (es
->flags
& EF_DIALOGMODE
);
2957 /*********************************************************************
2962 static void EDIT_WM_Paste(EDITSTATE
*es
)
2967 /* Protect read-only edit control from modification */
2968 if(es
->style
& ES_READONLY
)
2971 OpenClipboard(es
->hwndSelf
);
2972 if ((hsrc
= GetClipboardData(CF_UNICODETEXT
))) {
2973 src
= GlobalLock(hsrc
);
2974 EDIT_EM_ReplaceSel(es
, TRUE
, src
, TRUE
, TRUE
);
2977 else if (es
->style
& ES_PASSWORD
) {
2978 /* clear selected text in password edit box even with empty clipboard */
2979 EDIT_EM_ReplaceSel(es
, TRUE
, empty_stringW
, TRUE
, TRUE
);
2985 /*********************************************************************
2990 static void EDIT_WM_Copy(EDITSTATE
*es
)
2992 INT s
= min(es
->selection_start
, es
->selection_end
);
2993 INT e
= max(es
->selection_start
, es
->selection_end
);
3001 hdst
= GlobalAlloc(GMEM_MOVEABLE
| GMEM_DDESHARE
, (len
+ 1) * sizeof(WCHAR
));
3002 dst
= GlobalLock(hdst
);
3003 memcpy(dst
, es
->text
+ s
, len
* sizeof(WCHAR
));
3004 dst
[len
] = 0; /* ensure 0 termination */
3005 TRACE("%s\n", debugstr_w(dst
));
3007 OpenClipboard(es
->hwndSelf
);
3009 SetClipboardData(CF_UNICODETEXT
, hdst
);
3014 /*********************************************************************
3019 static inline void EDIT_WM_Clear(EDITSTATE
*es
)
3021 /* Protect read-only edit control from modification */
3022 if(es
->style
& ES_READONLY
)
3025 EDIT_EM_ReplaceSel(es
, TRUE
, empty_stringW
, TRUE
, TRUE
);
3029 /*********************************************************************
3034 static inline void EDIT_WM_Cut(EDITSTATE
*es
)
3041 /*********************************************************************
3046 static LRESULT
EDIT_WM_Char(EDITSTATE
*es
, WCHAR c
)
3050 control
= GetKeyState(VK_CONTROL
) & 0x8000;
3054 /* If it's not a multiline edit box, it would be ignored below.
3055 * For multiline edit without ES_WANTRETURN, we have to make a
3058 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_WANTRETURN
))
3059 if (EDIT_IsInsideDialog(es
))
3062 if (es
->style
& ES_MULTILINE
) {
3063 if (es
->style
& ES_READONLY
) {
3064 EDIT_MoveHome(es
, FALSE
, FALSE
);
3065 EDIT_MoveDown_ML(es
, FALSE
);
3067 static const WCHAR cr_lfW
[] = {'\r','\n',0};
3068 EDIT_EM_ReplaceSel(es
, TRUE
, cr_lfW
, TRUE
, TRUE
);
3073 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_READONLY
))
3075 static const WCHAR tabW
[] = {'\t',0};
3076 if (EDIT_IsInsideDialog(es
))
3078 EDIT_EM_ReplaceSel(es
, TRUE
, tabW
, TRUE
, TRUE
);
3082 if (!(es
->style
& ES_READONLY
) && !control
) {
3083 if (es
->selection_start
!= es
->selection_end
)
3086 /* delete character left of caret */
3087 EDIT_EM_SetSel(es
, (UINT
)-1, 0, FALSE
);
3088 EDIT_MoveBackward(es
, TRUE
);
3094 if (!(es
->style
& ES_PASSWORD
))
3095 SendMessageW(es
->hwndSelf
, WM_COPY
, 0, 0);
3098 if (!(es
->style
& ES_READONLY
))
3099 SendMessageW(es
->hwndSelf
, WM_PASTE
, 0, 0);
3102 if (!((es
->style
& ES_READONLY
) || (es
->style
& ES_PASSWORD
)))
3103 SendMessageW(es
->hwndSelf
, WM_CUT
, 0, 0);
3106 if (!(es
->style
& ES_READONLY
))
3107 SendMessageW(es
->hwndSelf
, WM_UNDO
, 0, 0);
3111 /*If Edit control style is ES_NUMBER allow users to key in only numeric values*/
3112 if( (es
->style
& ES_NUMBER
) && !( c
>= '0' && c
<= '9') )
3115 if (!(es
->style
& ES_READONLY
) && (c
>= ' ') && (c
!= 127)) {
3119 EDIT_EM_ReplaceSel(es
, TRUE
, str
, TRUE
, TRUE
);
3127 /*********************************************************************
3132 static void EDIT_WM_Command(EDITSTATE
*es
, INT code
, INT id
, HWND control
)
3134 if (code
|| control
)
3139 SendMessageW(es
->hwndSelf
, WM_UNDO
, 0, 0);
3142 SendMessageW(es
->hwndSelf
, WM_CUT
, 0, 0);
3145 SendMessageW(es
->hwndSelf
, WM_COPY
, 0, 0);
3148 SendMessageW(es
->hwndSelf
, WM_PASTE
, 0, 0);
3151 SendMessageW(es
->hwndSelf
, WM_CLEAR
, 0, 0);
3154 EDIT_EM_SetSel(es
, 0, (UINT
)-1, FALSE
);
3155 EDIT_EM_ScrollCaret(es
);
3158 ERR("unknown menu item, please report\n");
3164 /*********************************************************************
3168 * Note: the resource files resource/sysres_??.rc cannot define a
3169 * single popup menu. Hence we use a (dummy) menubar
3170 * containing the single popup menu as its first item.
3172 * FIXME: the message identifiers have been chosen arbitrarily,
3173 * hence we use MF_BYPOSITION.
3174 * We might as well use the "real" values (anybody knows ?)
3175 * The menu definition is in resources/sysres_??.rc.
3176 * Once these are OK, we better use MF_BYCOMMAND here
3177 * (as we do in EDIT_WM_Command()).
3180 static void EDIT_WM_ContextMenu(EDITSTATE
*es
, INT x
, INT y
)
3182 HMENU menu
= LoadMenuA(user32_module
, "EDITMENU");
3183 HMENU popup
= GetSubMenu(menu
, 0);
3184 UINT start
= es
->selection_start
;
3185 UINT end
= es
->selection_end
;
3187 ORDER_UINT(start
, end
);
3190 EnableMenuItem(popup
, 0, MF_BYPOSITION
| (EDIT_EM_CanUndo(es
) && !(es
->style
& ES_READONLY
) ? MF_ENABLED
: MF_GRAYED
));
3192 EnableMenuItem(popup
, 2, MF_BYPOSITION
| ((end
- start
) && !(es
->style
& ES_PASSWORD
) && !(es
->style
& ES_READONLY
) ? MF_ENABLED
: MF_GRAYED
));
3194 EnableMenuItem(popup
, 3, MF_BYPOSITION
| ((end
- start
) && !(es
->style
& ES_PASSWORD
) ? MF_ENABLED
: MF_GRAYED
));
3196 EnableMenuItem(popup
, 4, MF_BYPOSITION
| (IsClipboardFormatAvailable(CF_UNICODETEXT
) && !(es
->style
& ES_READONLY
) ? MF_ENABLED
: MF_GRAYED
));
3198 EnableMenuItem(popup
, 5, MF_BYPOSITION
| ((end
- start
) && !(es
->style
& ES_READONLY
) ? MF_ENABLED
: MF_GRAYED
));
3200 EnableMenuItem(popup
, 7, MF_BYPOSITION
| (start
|| (end
!= get_text_length(es
)) ? MF_ENABLED
: MF_GRAYED
));
3202 if (x
== -1 && y
== -1) /* passed via VK_APPS press/release */
3205 /* Windows places the menu at the edit's center in this case */
3206 WIN_GetRectangles( es
->hwndSelf
, COORDS_SCREEN
, NULL
, &rc
);
3207 x
= rc
.left
+ (rc
.right
- rc
.left
) / 2;
3208 y
= rc
.top
+ (rc
.bottom
- rc
.top
) / 2;
3211 if (!(es
->flags
& EF_FOCUSED
))
3212 SetFocus(es
->hwndSelf
);
3214 TrackPopupMenu(popup
, TPM_LEFTALIGN
| TPM_RIGHTBUTTON
, x
, y
, 0, es
->hwndSelf
, NULL
);
3219 /*********************************************************************
3224 static INT
EDIT_WM_GetText(const EDITSTATE
*es
, INT count
, LPWSTR dst
, BOOL unicode
)
3226 if(!count
) return 0;
3230 lstrcpynW(dst
, es
->text
, count
);
3231 return strlenW(dst
);
3235 LPSTR textA
= (LPSTR
)dst
;
3236 if (!WideCharToMultiByte(CP_ACP
, 0, es
->text
, -1, textA
, count
, NULL
, NULL
))
3237 textA
[count
- 1] = 0; /* ensure 0 termination */
3238 return strlen(textA
);
3242 /*********************************************************************
3247 static BOOL
EDIT_CheckCombo(EDITSTATE
*es
, UINT msg
, INT key
)
3249 HWND hLBox
= es
->hwndListBox
;
3257 hCombo
= GetParent(es
->hwndSelf
);
3261 TRACE_(combo
)("[%p]: handling msg %x (%x)\n", es
->hwndSelf
, msg
, key
);
3263 if (key
== VK_UP
|| key
== VK_DOWN
)
3265 if (SendMessageW(hCombo
, CB_GETEXTENDEDUI
, 0, 0))
3268 if (msg
== WM_KEYDOWN
|| nEUI
)
3269 bDropped
= (BOOL
)SendMessageW(hCombo
, CB_GETDROPPEDSTATE
, 0, 0);
3275 if (!bDropped
&& nEUI
&& (key
== VK_UP
|| key
== VK_DOWN
))
3277 /* make sure ComboLBox pops up */
3278 SendMessageW(hCombo
, CB_SETEXTENDEDUI
, FALSE
, 0);
3283 SendMessageW(hLBox
, WM_KEYDOWN
, key
, 0);
3286 case WM_SYSKEYDOWN
: /* Handle Alt+up/down arrows */
3288 SendMessageW(hCombo
, CB_SHOWDROPDOWN
, bDropped
? FALSE
: TRUE
, 0);
3290 SendMessageW(hLBox
, WM_KEYDOWN
, VK_F4
, 0);
3295 SendMessageW(hCombo
, CB_SETEXTENDEDUI
, TRUE
, 0);
3301 /*********************************************************************
3305 * Handling of special keys that don't produce a WM_CHAR
3306 * (i.e. non-printable keys) & Backspace & Delete
3309 static LRESULT
EDIT_WM_KeyDown(EDITSTATE
*es
, INT key
)
3314 if (GetKeyState(VK_MENU
) & 0x8000)
3317 shift
= GetKeyState(VK_SHIFT
) & 0x8000;
3318 control
= GetKeyState(VK_CONTROL
) & 0x8000;
3323 if (EDIT_CheckCombo(es
, WM_KEYDOWN
, key
) || key
== VK_F4
)
3328 if ((es
->style
& ES_MULTILINE
) && (key
== VK_UP
))
3329 EDIT_MoveUp_ML(es
, shift
);
3332 EDIT_MoveWordBackward(es
, shift
);
3334 EDIT_MoveBackward(es
, shift
);
3337 if (EDIT_CheckCombo(es
, WM_KEYDOWN
, key
))
3341 if ((es
->style
& ES_MULTILINE
) && (key
== VK_DOWN
))
3342 EDIT_MoveDown_ML(es
, shift
);
3344 EDIT_MoveWordForward(es
, shift
);
3346 EDIT_MoveForward(es
, shift
);
3349 EDIT_MoveHome(es
, shift
, control
);
3352 EDIT_MoveEnd(es
, shift
, control
);
3355 if (es
->style
& ES_MULTILINE
)
3356 EDIT_MovePageUp_ML(es
, shift
);
3358 EDIT_CheckCombo(es
, WM_KEYDOWN
, key
);
3361 if (es
->style
& ES_MULTILINE
)
3362 EDIT_MovePageDown_ML(es
, shift
);
3364 EDIT_CheckCombo(es
, WM_KEYDOWN
, key
);
3367 if (!(es
->style
& ES_READONLY
) && !(shift
&& control
)) {
3368 if (es
->selection_start
!= es
->selection_end
) {
3375 /* delete character left of caret */
3376 EDIT_EM_SetSel(es
, (UINT
)-1, 0, FALSE
);
3377 EDIT_MoveBackward(es
, TRUE
);
3379 } else if (control
) {
3380 /* delete to end of line */
3381 EDIT_EM_SetSel(es
, (UINT
)-1, 0, FALSE
);
3382 EDIT_MoveEnd(es
, TRUE
, FALSE
);
3385 /* delete character right of caret */
3386 EDIT_EM_SetSel(es
, (UINT
)-1, 0, FALSE
);
3387 EDIT_MoveForward(es
, TRUE
);
3395 if (!(es
->style
& ES_READONLY
))
3401 /* If the edit doesn't want the return send a message to the default object */
3402 if(!(es
->style
& ES_MULTILINE
) || !(es
->style
& ES_WANTRETURN
))
3406 if (!EDIT_IsInsideDialog(es
)) break;
3408 dw
= SendMessageW(es
->hwndParent
, DM_GETDEFID
, 0, 0);
3409 if (HIWORD(dw
) == DC_HASDEFID
)
3411 HWND hwDefCtrl
= GetDlgItem(es
->hwndParent
, LOWORD(dw
));
3414 SendMessageW(es
->hwndParent
, WM_NEXTDLGCTL
, (WPARAM
)hwDefCtrl
, TRUE
);
3415 PostMessageW(hwDefCtrl
, WM_KEYDOWN
, VK_RETURN
, 0);
3421 if ((es
->style
& ES_MULTILINE
) && EDIT_IsInsideDialog(es
))
3422 PostMessageW(es
->hwndParent
, WM_CLOSE
, 0, 0);
3425 if ((es
->style
& ES_MULTILINE
) && EDIT_IsInsideDialog(es
))
3426 SendMessageW(es
->hwndParent
, WM_NEXTDLGCTL
, shift
, 0);
3433 /*********************************************************************
3438 static LRESULT
EDIT_WM_KillFocus(EDITSTATE
*es
)
3440 es
->flags
&= ~EF_FOCUSED
;
3442 if(!(es
->style
& ES_NOHIDESEL
))
3443 EDIT_InvalidateText(es
, es
->selection_start
, es
->selection_end
);
3444 EDIT_NOTIFY_PARENT(es
, EN_KILLFOCUS
);
3449 /*********************************************************************
3453 * The caret position has been set on the WM_LBUTTONDOWN message
3456 static LRESULT
EDIT_WM_LButtonDblClk(EDITSTATE
*es
)
3459 INT e
= es
->selection_end
;
3464 es
->bCaptureState
= TRUE
;
3465 SetCapture(es
->hwndSelf
);
3467 l
= EDIT_EM_LineFromChar(es
, e
);
3468 li
= EDIT_EM_LineIndex(es
, l
);
3469 ll
= EDIT_EM_LineLength(es
, e
);
3470 s
= li
+ EDIT_CallWordBreakProc(es
, li
, e
- li
, ll
, WB_LEFT
);
3471 e
= li
+ EDIT_CallWordBreakProc(es
, li
, e
- li
, ll
, WB_RIGHT
);
3472 EDIT_EM_SetSel(es
, s
, e
, FALSE
);
3473 EDIT_EM_ScrollCaret(es
);
3474 es
->region_posx
= es
->region_posy
= 0;
3475 SetTimer(es
->hwndSelf
, 0, 100, NULL
);
3480 /*********************************************************************
3485 static LRESULT
EDIT_WM_LButtonDown(EDITSTATE
*es
, DWORD keys
, INT x
, INT y
)
3490 es
->bCaptureState
= TRUE
;
3491 SetCapture(es
->hwndSelf
);
3492 EDIT_ConfinePoint(es
, &x
, &y
);
3493 e
= EDIT_CharFromPos(es
, x
, y
, &after_wrap
);
3494 EDIT_EM_SetSel(es
, (keys
& MK_SHIFT
) ? es
->selection_start
: e
, e
, after_wrap
);
3495 EDIT_EM_ScrollCaret(es
);
3496 es
->region_posx
= es
->region_posy
= 0;
3497 SetTimer(es
->hwndSelf
, 0, 100, NULL
);
3499 if (!(es
->flags
& EF_FOCUSED
))
3500 SetFocus(es
->hwndSelf
);
3506 /*********************************************************************
3511 static LRESULT
EDIT_WM_LButtonUp(EDITSTATE
*es
)
3513 if (es
->bCaptureState
) {
3514 KillTimer(es
->hwndSelf
, 0);
3515 if (GetCapture() == es
->hwndSelf
) ReleaseCapture();
3517 es
->bCaptureState
= FALSE
;
3522 /*********************************************************************
3527 static LRESULT
EDIT_WM_MButtonDown(EDITSTATE
*es
)
3529 SendMessageW(es
->hwndSelf
, WM_PASTE
, 0, 0);
3534 /*********************************************************************
3539 static LRESULT
EDIT_WM_MouseMove(EDITSTATE
*es
, INT x
, INT y
)
3545 /* If the mouse has been captured by process other than the edit control itself,
3546 * the windows edit controls will not select the strings with mouse move.
3548 if (!es
->bCaptureState
|| GetCapture() != es
->hwndSelf
)
3552 * FIXME: gotta do some scrolling if outside client
3553 * area. Maybe reset the timer ?
3556 EDIT_ConfinePoint(es
, &x
, &y
);
3557 es
->region_posx
= (prex
< x
) ? -1 : ((prex
> x
) ? 1 : 0);
3558 es
->region_posy
= (prey
< y
) ? -1 : ((prey
> y
) ? 1 : 0);
3559 e
= EDIT_CharFromPos(es
, x
, y
, &after_wrap
);
3560 EDIT_EM_SetSel(es
, es
->selection_start
, e
, after_wrap
);
3561 EDIT_SetCaretPos(es
,es
->selection_end
,es
->flags
& EF_AFTER_WRAP
);
3566 /*********************************************************************
3571 static void EDIT_WM_Paint(EDITSTATE
*es
, HDC hdc
)
3584 BOOL rev
= es
->bEnableState
&&
3585 ((es
->flags
& EF_FOCUSED
) ||
3586 (es
->style
& ES_NOHIDESEL
));
3587 dc
= hdc
? hdc
: BeginPaint(es
->hwndSelf
, &ps
);
3589 /* The dc we use for calcualting may not be the one we paint into.
3590 This is the safest action. */
3591 EDIT_InvalidateUniscribeData(es
);
3592 GetClientRect(es
->hwndSelf
, &rcClient
);
3594 /* get the background brush */
3595 brush
= EDIT_NotifyCtlColor(es
, dc
);
3597 /* paint the border and the background */
3598 IntersectClipRect(dc
, rcClient
.left
, rcClient
.top
, rcClient
.right
, rcClient
.bottom
);
3600 if(es
->style
& WS_BORDER
) {
3601 bw
= GetSystemMetrics(SM_CXBORDER
);
3602 bh
= GetSystemMetrics(SM_CYBORDER
);
3604 if(es
->style
& ES_MULTILINE
) {
3605 if(es
->style
& WS_HSCROLL
) rc
.bottom
+=bh
;
3606 if(es
->style
& WS_VSCROLL
) rc
.right
+=bw
;
3609 /* Draw the frame. Same code as in nonclient.c */
3610 old_brush
= SelectObject(dc
, GetSysColorBrush(COLOR_WINDOWFRAME
));
3611 PatBlt(dc
, rc
.left
, rc
.top
, rc
.right
- rc
.left
, bh
, PATCOPY
);
3612 PatBlt(dc
, rc
.left
, rc
.top
, bw
, rc
.bottom
- rc
.top
, PATCOPY
);
3613 PatBlt(dc
, rc
.left
, rc
.bottom
- 1, rc
.right
- rc
.left
, -bw
, PATCOPY
);
3614 PatBlt(dc
, rc
.right
- 1, rc
.top
, -bw
, rc
.bottom
- rc
.top
, PATCOPY
);
3615 SelectObject(dc
, old_brush
);
3617 /* Keep the border clean */
3618 IntersectClipRect(dc
, rc
.left
+bw
, rc
.top
+bh
,
3619 max(rc
.right
-bw
, rc
.left
+bw
), max(rc
.bottom
-bh
, rc
.top
+bh
));
3622 GetClipBox(dc
, &rc
);
3623 FillRect(dc
, &rc
, brush
);
3625 IntersectClipRect(dc
, es
->format_rect
.left
,
3626 es
->format_rect
.top
,
3627 es
->format_rect
.right
,
3628 es
->format_rect
.bottom
);
3629 if (es
->style
& ES_MULTILINE
) {
3631 IntersectClipRect(dc
, rc
.left
, rc
.top
, rc
.right
, rc
.bottom
);
3634 old_font
= SelectObject(dc
, es
->font
);
3636 if (!es
->bEnableState
)
3637 SetTextColor(dc
, GetSysColor(COLOR_GRAYTEXT
));
3638 GetClipBox(dc
, &rcRgn
);
3639 if (es
->style
& ES_MULTILINE
) {
3640 INT vlc
= get_vertical_line_count(es
);
3641 for (i
= es
->y_offset
; i
<= min(es
->y_offset
+ vlc
, es
->y_offset
+ es
->line_count
- 1) ; i
++) {
3642 EDIT_GetLineRect(es
, i
, 0, -1, &rcLine
);
3643 if (IntersectRect(&rc
, &rcRgn
, &rcLine
))
3644 EDIT_PaintLine(es
, dc
, i
, rev
);
3647 EDIT_GetLineRect(es
, 0, 0, -1, &rcLine
);
3648 if (IntersectRect(&rc
, &rcRgn
, &rcLine
))
3649 EDIT_PaintLine(es
, dc
, 0, rev
);
3652 SelectObject(dc
, old_font
);
3655 EndPaint(es
->hwndSelf
, &ps
);
3659 /*********************************************************************
3664 static void EDIT_WM_SetFocus(EDITSTATE
*es
)
3666 es
->flags
|= EF_FOCUSED
;
3668 if (!(es
->style
& ES_NOHIDESEL
))
3669 EDIT_InvalidateText(es
, es
->selection_start
, es
->selection_end
);
3671 /* single line edit updates itself */
3672 if (!(es
->style
& ES_MULTILINE
))
3674 HDC hdc
= GetDC(es
->hwndSelf
);
3675 EDIT_WM_Paint(es
, hdc
);
3676 ReleaseDC(es
->hwndSelf
, hdc
);
3679 CreateCaret(es
->hwndSelf
, 0, 1, es
->line_height
);
3680 EDIT_SetCaretPos(es
, es
->selection_end
,
3681 es
->flags
& EF_AFTER_WRAP
);
3682 ShowCaret(es
->hwndSelf
);
3683 EDIT_NOTIFY_PARENT(es
, EN_SETFOCUS
);
3687 /*********************************************************************
3691 * With Win95 look the margins are set to default font value unless
3692 * the system font (font == 0) is being set, in which case they are left
3696 static void EDIT_WM_SetFont(EDITSTATE
*es
, HFONT font
, BOOL redraw
)
3704 EDIT_InvalidateUniscribeData(es
);
3705 dc
= GetDC(es
->hwndSelf
);
3707 old_font
= SelectObject(dc
, font
);
3708 GetTextMetricsW(dc
, &tm
);
3709 es
->line_height
= tm
.tmHeight
;
3710 es
->char_width
= tm
.tmAveCharWidth
;
3712 SelectObject(dc
, old_font
);
3713 ReleaseDC(es
->hwndSelf
, dc
);
3715 /* Reset the format rect and the margins */
3716 GetClientRect(es
->hwndSelf
, &clientRect
);
3717 EDIT_SetRectNP(es
, &clientRect
);
3718 EDIT_EM_SetMargins(es
, EC_LEFTMARGIN
| EC_RIGHTMARGIN
,
3719 EC_USEFONTINFO
, EC_USEFONTINFO
, FALSE
);
3721 if (es
->style
& ES_MULTILINE
)
3722 EDIT_BuildLineDefs_ML(es
, 0, get_text_length(es
), 0, NULL
);
3724 EDIT_CalcLineWidth_SL(es
);
3727 EDIT_UpdateText(es
, NULL
, TRUE
);
3728 if (es
->flags
& EF_FOCUSED
) {
3730 CreateCaret(es
->hwndSelf
, 0, 1, es
->line_height
);
3731 EDIT_SetCaretPos(es
, es
->selection_end
,
3732 es
->flags
& EF_AFTER_WRAP
);
3733 ShowCaret(es
->hwndSelf
);
3738 /*********************************************************************
3743 * For multiline controls (ES_MULTILINE), reception of WM_SETTEXT triggers:
3744 * The modified flag is reset. No notifications are sent.
3746 * For single-line controls, reception of WM_SETTEXT triggers:
3747 * The modified flag is reset. EN_UPDATE and EN_CHANGE notifications are sent.
3750 static void EDIT_WM_SetText(EDITSTATE
*es
, LPCWSTR text
, BOOL unicode
)
3752 LPWSTR textW
= NULL
;
3753 if (!unicode
&& text
)
3755 LPCSTR textA
= (LPCSTR
)text
;
3756 INT countW
= MultiByteToWideChar(CP_ACP
, 0, textA
, -1, NULL
, 0);
3757 textW
= HeapAlloc(GetProcessHeap(), 0, countW
* sizeof(WCHAR
));
3759 MultiByteToWideChar(CP_ACP
, 0, textA
, -1, textW
, countW
);
3763 if (es
->flags
& EF_UPDATE
)
3764 /* fixed this bug once; complain if we see it about to happen again. */
3765 ERR("SetSel may generate UPDATE message whose handler may reset "
3768 EDIT_EM_SetSel(es
, 0, (UINT
)-1, FALSE
);
3771 TRACE("%s\n", debugstr_w(text
));
3772 EDIT_EM_ReplaceSel(es
, FALSE
, text
, FALSE
, FALSE
);
3774 HeapFree(GetProcessHeap(), 0, textW
);
3779 EDIT_EM_ReplaceSel(es
, FALSE
, empty_stringW
, FALSE
, FALSE
);
3782 es
->flags
&= ~EF_MODIFIED
;
3783 EDIT_EM_SetSel(es
, 0, 0, FALSE
);
3785 /* Send the notification after the selection start and end have been set
3786 * edit control doesn't send notification on WM_SETTEXT
3787 * if it is multiline, or it is part of combobox
3789 if( !((es
->style
& ES_MULTILINE
) || es
->hwndListBox
))
3791 EDIT_NOTIFY_PARENT(es
, EN_UPDATE
);
3792 EDIT_NOTIFY_PARENT(es
, EN_CHANGE
);
3794 EDIT_EM_ScrollCaret(es
);
3795 EDIT_UpdateScrollInfo(es
);
3796 EDIT_InvalidateUniscribeData(es
);
3800 /*********************************************************************
3805 static void EDIT_WM_Size(EDITSTATE
*es
, UINT action
, INT width
, INT height
)
3807 if ((action
== SIZE_MAXIMIZED
) || (action
== SIZE_RESTORED
)) {
3809 TRACE("width = %d, height = %d\n", width
, height
);
3810 SetRect(&rc
, 0, 0, width
, height
);
3811 EDIT_SetRectNP(es
, &rc
);
3812 EDIT_UpdateText(es
, NULL
, TRUE
);
3817 /*********************************************************************
3821 * This message is sent by SetWindowLong on having changed either the Style
3822 * or the extended style.
3824 * We ensure that the window's version of the styles and the EDITSTATE's agree.
3826 * See also EDIT_WM_NCCreate
3828 * It appears that the Windows version of the edit control allows the style
3829 * (as retrieved by GetWindowLong) to be any value and maintains an internal
3830 * style variable which will generally be different. In this function we
3831 * update the internal style based on what changed in the externally visible
3834 * Much of this content as based upon the MSDN, especially:
3835 * Platform SDK Documentation -> User Interface Services ->
3836 * Windows User Interface -> Edit Controls -> Edit Control Reference ->
3837 * Edit Control Styles
3839 static LRESULT
EDIT_WM_StyleChanged ( EDITSTATE
*es
, WPARAM which
, const STYLESTRUCT
*style
)
3841 if (GWL_STYLE
== which
) {
3842 DWORD style_change_mask
;
3844 /* Only a subset of changes can be applied after the control
3847 style_change_mask
= ES_UPPERCASE
| ES_LOWERCASE
|
3849 if (es
->style
& ES_MULTILINE
)
3850 style_change_mask
|= ES_WANTRETURN
;
3852 new_style
= style
->styleNew
& style_change_mask
;
3854 /* Number overrides lowercase overrides uppercase (at least it
3855 * does in Win95). However I'll bet that ES_NUMBER would be
3856 * invalid under Win 3.1.
3858 if (new_style
& ES_NUMBER
) {
3859 ; /* do not override the ES_NUMBER */
3860 } else if (new_style
& ES_LOWERCASE
) {
3861 new_style
&= ~ES_UPPERCASE
;
3864 es
->style
= (es
->style
& ~style_change_mask
) | new_style
;
3865 } else if (GWL_EXSTYLE
== which
) {
3866 ; /* FIXME - what is needed here */
3868 WARN ("Invalid style change %ld\n",which
);
3874 /*********************************************************************
3879 static LRESULT
EDIT_WM_SysKeyDown(EDITSTATE
*es
, INT key
, DWORD key_data
)
3881 if ((key
== VK_BACK
) && (key_data
& 0x2000)) {
3882 if (EDIT_EM_CanUndo(es
))
3885 } else if (key
== VK_UP
|| key
== VK_DOWN
) {
3886 if (EDIT_CheckCombo(es
, WM_SYSKEYDOWN
, key
))
3889 return DefWindowProcW(es
->hwndSelf
, WM_SYSKEYDOWN
, key
, key_data
);
3893 /*********************************************************************
3898 static void EDIT_WM_Timer(EDITSTATE
*es
)
3900 if (es
->region_posx
< 0) {
3901 EDIT_MoveBackward(es
, TRUE
);
3902 } else if (es
->region_posx
> 0) {
3903 EDIT_MoveForward(es
, TRUE
);
3906 * FIXME: gotta do some vertical scrolling here, like
3907 * EDIT_EM_LineScroll(hwnd, 0, 1);
3911 /*********************************************************************
3916 static LRESULT
EDIT_WM_HScroll(EDITSTATE
*es
, INT action
, INT pos
)
3921 if (!(es
->style
& ES_MULTILINE
))
3924 if (!(es
->style
& ES_AUTOHSCROLL
))
3928 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
3931 TRACE("SB_LINELEFT\n");
3933 dx
= -es
->char_width
;
3936 TRACE("SB_LINERIGHT\n");
3937 if (es
->x_offset
< es
->text_width
)
3938 dx
= es
->char_width
;
3941 TRACE("SB_PAGELEFT\n");
3943 dx
= -fw
/ HSCROLL_FRACTION
/ es
->char_width
* es
->char_width
;
3946 TRACE("SB_PAGERIGHT\n");
3947 if (es
->x_offset
< es
->text_width
)
3948 dx
= fw
/ HSCROLL_FRACTION
/ es
->char_width
* es
->char_width
;
3956 TRACE("SB_RIGHT\n");
3957 if (es
->x_offset
< es
->text_width
)
3958 dx
= es
->text_width
- es
->x_offset
;
3961 TRACE("SB_THUMBTRACK %d\n", pos
);
3962 es
->flags
|= EF_HSCROLL_TRACK
;
3963 if(es
->style
& WS_HSCROLL
)
3964 dx
= pos
- es
->x_offset
;
3969 if(pos
< 0 || pos
> 100) return 0;
3970 /* Assume default scroll range 0-100 */
3971 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
3972 new_x
= pos
* (es
->text_width
- fw
) / 100;
3973 dx
= es
->text_width
? (new_x
- es
->x_offset
) : 0;
3976 case SB_THUMBPOSITION
:
3977 TRACE("SB_THUMBPOSITION %d\n", pos
);
3978 es
->flags
&= ~EF_HSCROLL_TRACK
;
3979 if(GetWindowLongW( es
->hwndSelf
, GWL_STYLE
) & WS_HSCROLL
)
3980 dx
= pos
- es
->x_offset
;
3985 if(pos
< 0 || pos
> 100) return 0;
3986 /* Assume default scroll range 0-100 */
3987 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
3988 new_x
= pos
* (es
->text_width
- fw
) / 100;
3989 dx
= es
->text_width
? (new_x
- es
->x_offset
) : 0;
3992 /* force scroll info update */
3993 EDIT_UpdateScrollInfo(es
);
3994 EDIT_NOTIFY_PARENT(es
, EN_HSCROLL
);
3998 TRACE("SB_ENDSCROLL\n");
4001 * FIXME : the next two are undocumented !
4002 * Are we doing the right thing ?
4003 * At least Win 3.1 Notepad makes use of EM_GETTHUMB this way,
4004 * although it's also a regular control message.
4006 case EM_GETTHUMB
: /* this one is used by NT notepad */
4009 if(GetWindowLongW( es
->hwndSelf
, GWL_STYLE
) & WS_HSCROLL
)
4010 ret
= GetScrollPos(es
->hwndSelf
, SB_HORZ
);
4013 /* Assume default scroll range 0-100 */
4014 INT fw
= es
->format_rect
.right
- es
->format_rect
.left
;
4015 ret
= es
->text_width
? es
->x_offset
* 100 / (es
->text_width
- fw
) : 0;
4017 TRACE("EM_GETTHUMB: returning %ld\n", ret
);
4021 TRACE("EM_LINESCROLL16\n");
4026 ERR("undocumented WM_HSCROLL action %d (0x%04x), please report\n",
4032 INT fw
= es
->format_rect
.right
- es
->format_rect
.left
;
4033 /* check if we are going to move too far */
4034 if(es
->x_offset
+ dx
+ fw
> es
->text_width
)
4035 dx
= es
->text_width
- fw
- es
->x_offset
;
4037 EDIT_EM_LineScroll_internal(es
, dx
, 0);
4043 /*********************************************************************
4048 static LRESULT
EDIT_WM_VScroll(EDITSTATE
*es
, INT action
, INT pos
)
4052 if (!(es
->style
& ES_MULTILINE
))
4055 if (!(es
->style
& ES_AUTOVSCROLL
))
4064 TRACE("action %d (%s)\n", action
, (action
== SB_LINEUP
? "SB_LINEUP" :
4065 (action
== SB_LINEDOWN
? "SB_LINEDOWN" :
4066 (action
== SB_PAGEUP
? "SB_PAGEUP" :
4068 EDIT_EM_Scroll(es
, action
);
4075 TRACE("SB_BOTTOM\n");
4076 dy
= es
->line_count
- 1 - es
->y_offset
;
4079 TRACE("SB_THUMBTRACK %d\n", pos
);
4080 es
->flags
|= EF_VSCROLL_TRACK
;
4081 if(es
->style
& WS_VSCROLL
)
4082 dy
= pos
- es
->y_offset
;
4085 /* Assume default scroll range 0-100 */
4088 if(pos
< 0 || pos
> 100) return 0;
4089 vlc
= get_vertical_line_count(es
);
4090 new_y
= pos
* (es
->line_count
- vlc
) / 100;
4091 dy
= es
->line_count
? (new_y
- es
->y_offset
) : 0;
4092 TRACE("line_count=%d, y_offset=%d, pos=%d, dy = %d\n",
4093 es
->line_count
, es
->y_offset
, pos
, dy
);
4096 case SB_THUMBPOSITION
:
4097 TRACE("SB_THUMBPOSITION %d\n", pos
);
4098 es
->flags
&= ~EF_VSCROLL_TRACK
;
4099 if(es
->style
& WS_VSCROLL
)
4100 dy
= pos
- es
->y_offset
;
4103 /* Assume default scroll range 0-100 */
4106 if(pos
< 0 || pos
> 100) return 0;
4107 vlc
= get_vertical_line_count(es
);
4108 new_y
= pos
* (es
->line_count
- vlc
) / 100;
4109 dy
= es
->line_count
? (new_y
- es
->y_offset
) : 0;
4110 TRACE("line_count=%d, y_offset=%d, pos=%d, dy = %d\n",
4111 es
->line_count
, es
->y_offset
, pos
, dy
);
4115 /* force scroll info update */
4116 EDIT_UpdateScrollInfo(es
);
4117 EDIT_NOTIFY_PARENT(es
, EN_VSCROLL
);
4121 TRACE("SB_ENDSCROLL\n");
4124 * FIXME : the next two are undocumented !
4125 * Are we doing the right thing ?
4126 * At least Win 3.1 Notepad makes use of EM_GETTHUMB this way,
4127 * although it's also a regular control message.
4129 case EM_GETTHUMB
: /* this one is used by NT notepad */
4132 if(GetWindowLongW( es
->hwndSelf
, GWL_STYLE
) & WS_VSCROLL
)
4133 ret
= GetScrollPos(es
->hwndSelf
, SB_VERT
);
4136 /* Assume default scroll range 0-100 */
4137 INT vlc
= get_vertical_line_count(es
);
4138 ret
= es
->line_count
? es
->y_offset
* 100 / (es
->line_count
- vlc
) : 0;
4140 TRACE("EM_GETTHUMB: returning %ld\n", ret
);
4144 TRACE("EM_LINESCROLL %d\n", pos
);
4149 ERR("undocumented WM_VSCROLL action %d (0x%04x), please report\n",
4154 EDIT_EM_LineScroll(es
, 0, dy
);
4158 /*********************************************************************
4162 * FIXME: is this right ? (or should it be only VSCROLL)
4163 * (and maybe only for edit controls that really have their
4164 * own scrollbars) (and maybe only for multiline controls ?)
4165 * All in all: very poorly documented
4168 static LRESULT
EDIT_EM_GetThumb(EDITSTATE
*es
)
4170 return MAKELONG(EDIT_WM_VScroll(es
, EM_GETTHUMB
, 0),
4171 EDIT_WM_HScroll(es
, EM_GETTHUMB
, 0));
4175 /********************************************************************
4177 * The Following code is to handle inline editing from IMEs
4180 static void EDIT_GetCompositionStr(HIMC hIMC
, LPARAM CompFlag
, EDITSTATE
*es
)
4183 LPWSTR lpCompStr
= NULL
;
4184 LPSTR lpCompStrAttr
= NULL
;
4187 buflen
= ImmGetCompositionStringW(hIMC
, GCS_COMPSTR
, NULL
, 0);
4194 lpCompStr
= HeapAlloc(GetProcessHeap(),0,buflen
+ sizeof(WCHAR
));
4197 ERR("Unable to allocate IME CompositionString\n");
4202 ImmGetCompositionStringW(hIMC
, GCS_COMPSTR
, lpCompStr
, buflen
);
4203 lpCompStr
[buflen
/sizeof(WCHAR
)] = 0;
4205 if (CompFlag
& GCS_COMPATTR
)
4208 * We do not use the attributes yet. it would tell us what characters
4209 * are in transition and which are converted or decided upon
4211 dwBufLenAttr
= ImmGetCompositionStringW(hIMC
, GCS_COMPATTR
, NULL
, 0);
4215 lpCompStrAttr
= HeapAlloc(GetProcessHeap(),0,dwBufLenAttr
+1);
4218 ERR("Unable to allocate IME Attribute String\n");
4219 HeapFree(GetProcessHeap(),0,lpCompStr
);
4222 ImmGetCompositionStringW(hIMC
,GCS_COMPATTR
, lpCompStrAttr
,
4224 lpCompStrAttr
[dwBufLenAttr
] = 0;
4227 lpCompStrAttr
= NULL
;
4230 /* check for change in composition start */
4231 if (es
->selection_end
< es
->composition_start
)
4232 es
->composition_start
= es
->selection_end
;
4234 /* replace existing selection string */
4235 es
->selection_start
= es
->composition_start
;
4237 if (es
->composition_len
> 0)
4238 es
->selection_end
= es
->composition_start
+ es
->composition_len
;
4240 es
->selection_end
= es
->selection_start
;
4242 EDIT_EM_ReplaceSel(es
, FALSE
, lpCompStr
, TRUE
, TRUE
);
4243 es
->composition_len
= abs(es
->composition_start
- es
->selection_end
);
4245 es
->selection_start
= es
->composition_start
;
4246 es
->selection_end
= es
->selection_start
+ es
->composition_len
;
4248 HeapFree(GetProcessHeap(),0,lpCompStrAttr
);
4249 HeapFree(GetProcessHeap(),0,lpCompStr
);
4252 static void EDIT_GetResultStr(HIMC hIMC
, EDITSTATE
*es
)
4257 buflen
= ImmGetCompositionStringW(hIMC
, GCS_RESULTSTR
, NULL
, 0);
4263 lpResultStr
= HeapAlloc(GetProcessHeap(),0, buflen
+sizeof(WCHAR
));
4266 ERR("Unable to alloc buffer for IME string\n");
4270 ImmGetCompositionStringW(hIMC
, GCS_RESULTSTR
, lpResultStr
, buflen
);
4271 lpResultStr
[buflen
/sizeof(WCHAR
)] = 0;
4273 /* check for change in composition start */
4274 if (es
->selection_end
< es
->composition_start
)
4275 es
->composition_start
= es
->selection_end
;
4277 es
->selection_start
= es
->composition_start
;
4278 es
->selection_end
= es
->composition_start
+ es
->composition_len
;
4279 EDIT_EM_ReplaceSel(es
, TRUE
, lpResultStr
, TRUE
, TRUE
);
4280 es
->composition_start
= es
->selection_end
;
4281 es
->composition_len
= 0;
4283 HeapFree(GetProcessHeap(),0,lpResultStr
);
4286 static void EDIT_ImeComposition(HWND hwnd
, LPARAM CompFlag
, EDITSTATE
*es
)
4291 if (es
->composition_len
== 0 && es
->selection_start
!= es
->selection_end
)
4293 EDIT_EM_ReplaceSel(es
, TRUE
, empty_stringW
, TRUE
, TRUE
);
4294 es
->composition_start
= es
->selection_end
;
4297 hIMC
= ImmGetContext(hwnd
);
4301 if (CompFlag
& GCS_RESULTSTR
)
4302 EDIT_GetResultStr(hIMC
, es
);
4303 if (CompFlag
& GCS_COMPSTR
)
4304 EDIT_GetCompositionStr(hIMC
, CompFlag
, es
);
4305 cursor
= ImmGetCompositionStringW(hIMC
, GCS_CURSORPOS
, 0, 0);
4306 ImmReleaseContext(hwnd
, hIMC
);
4307 EDIT_SetCaretPos(es
, es
->selection_start
+ cursor
, es
->flags
& EF_AFTER_WRAP
);
4311 /*********************************************************************
4315 * See also EDIT_WM_StyleChanged
4317 static LRESULT
EDIT_WM_NCCreate(HWND hwnd
, LPCREATESTRUCTW lpcs
, BOOL unicode
)
4322 TRACE("Creating %s edit control, style = %08x\n",
4323 unicode
? "Unicode" : "ANSI", lpcs
->style
);
4325 if (!(es
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(*es
))))
4327 SetWindowLongPtrW( hwnd
, 0, (LONG_PTR
)es
);
4330 * Note: since the EDITSTATE has not been fully initialized yet,
4331 * we can't use any API calls that may send
4332 * WM_XXX messages before WM_NCCREATE is completed.
4335 es
->is_unicode
= unicode
;
4336 es
->style
= lpcs
->style
;
4338 es
->bEnableState
= !(es
->style
& WS_DISABLED
);
4340 es
->hwndSelf
= hwnd
;
4341 /* Save parent, which will be notified by EN_* messages */
4342 es
->hwndParent
= lpcs
->hwndParent
;
4344 if (es
->style
& ES_COMBO
)
4345 es
->hwndListBox
= GetDlgItem(es
->hwndParent
, ID_CB_LISTBOX
);
4347 /* FIXME: should we handle changes to WS_EX_RIGHT style after creation? */
4348 if (lpcs
->dwExStyle
& WS_EX_RIGHT
) es
->style
|= ES_RIGHT
;
4350 /* Number overrides lowercase overrides uppercase (at least it
4351 * does in Win95). However I'll bet that ES_NUMBER would be
4352 * invalid under Win 3.1.
4354 if (es
->style
& ES_NUMBER
) {
4355 ; /* do not override the ES_NUMBER */
4356 } else if (es
->style
& ES_LOWERCASE
) {
4357 es
->style
&= ~ES_UPPERCASE
;
4359 if (es
->style
& ES_MULTILINE
) {
4360 es
->buffer_limit
= BUFLIMIT_INITIAL
;
4361 if (es
->style
& WS_VSCROLL
)
4362 es
->style
|= ES_AUTOVSCROLL
;
4363 if (es
->style
& WS_HSCROLL
)
4364 es
->style
|= ES_AUTOHSCROLL
;
4365 es
->style
&= ~ES_PASSWORD
;
4366 if ((es
->style
& ES_CENTER
) || (es
->style
& ES_RIGHT
)) {
4367 /* Confirmed - RIGHT overrides CENTER */
4368 if (es
->style
& ES_RIGHT
)
4369 es
->style
&= ~ES_CENTER
;
4370 es
->style
&= ~WS_HSCROLL
;
4371 es
->style
&= ~ES_AUTOHSCROLL
;
4374 es
->buffer_limit
= BUFLIMIT_INITIAL
;
4375 if ((es
->style
& ES_RIGHT
) && (es
->style
& ES_CENTER
))
4376 es
->style
&= ~ES_CENTER
;
4377 es
->style
&= ~WS_HSCROLL
;
4378 es
->style
&= ~WS_VSCROLL
;
4379 if (es
->style
& ES_PASSWORD
)
4380 es
->password_char
= '*';
4383 alloc_size
= ROUND_TO_GROW((es
->buffer_size
+ 1) * sizeof(WCHAR
));
4384 if(!(es
->hloc32W
= LocalAlloc(LMEM_MOVEABLE
| LMEM_ZEROINIT
, alloc_size
)))
4386 es
->buffer_size
= LocalSize(es
->hloc32W
)/sizeof(WCHAR
) - 1;
4388 if (!(es
->undo_text
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, (es
->buffer_size
+ 1) * sizeof(WCHAR
))))
4390 es
->undo_buffer_size
= es
->buffer_size
;
4392 if (es
->style
& ES_MULTILINE
)
4393 if (!(es
->first_line_def
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(LINEDEF
))))
4398 * In Win95 look and feel, the WS_BORDER style is replaced by the
4399 * WS_EX_CLIENTEDGE style for the edit control. This gives the edit
4400 * control a nonclient area so we don't need to draw the border.
4401 * If WS_BORDER without WS_EX_CLIENTEDGE is specified we shouldn't have
4402 * a nonclient area and we should handle painting the border ourselves.
4404 * When making modifications please ensure that the code still works
4405 * for edit controls created directly with style 0x50800000, exStyle 0
4406 * (which should have a single pixel border)
4408 if (lpcs
->dwExStyle
& WS_EX_CLIENTEDGE
)
4409 es
->style
&= ~WS_BORDER
;
4410 else if (es
->style
& WS_BORDER
)
4411 SetWindowLongW(hwnd
, GWL_STYLE
, es
->style
& ~WS_BORDER
);
4416 SetWindowLongPtrW(es
->hwndSelf
, 0, 0);
4417 EDIT_InvalidateUniscribeData(es
);
4418 HeapFree(GetProcessHeap(), 0, es
->first_line_def
);
4419 HeapFree(GetProcessHeap(), 0, es
->undo_text
);
4420 if (es
->hloc32W
) LocalFree(es
->hloc32W
);
4421 HeapFree(GetProcessHeap(), 0, es
->logAttr
);
4422 HeapFree(GetProcessHeap(), 0, es
);
4427 /*********************************************************************
4432 static LRESULT
EDIT_WM_Create(EDITSTATE
*es
, LPCWSTR name
)
4436 TRACE("%s\n", debugstr_w(name
));
4438 * To initialize some final structure members, we call some helper
4439 * functions. However, since the EDITSTATE is not consistent (i.e.
4440 * not fully initialized), we should be very careful which
4441 * functions can be called, and in what order.
4443 EDIT_WM_SetFont(es
, 0, FALSE
);
4444 EDIT_EM_EmptyUndoBuffer(es
);
4446 /* We need to calculate the format rect
4447 (applications may send EM_SETMARGINS before the control gets visible) */
4448 GetClientRect(es
->hwndSelf
, &clientRect
);
4449 EDIT_SetRectNP(es
, &clientRect
);
4451 if (name
&& *name
) {
4452 EDIT_EM_ReplaceSel(es
, FALSE
, name
, FALSE
, FALSE
);
4453 /* if we insert text to the editline, the text scrolls out
4454 * of the window, as the caret is placed after the insert
4455 * pos normally; thus we reset es->selection... to 0 and
4458 es
->selection_start
= es
->selection_end
= 0;
4459 /* Adobe Photoshop does NOT like this. and MSDN says that EN_CHANGE
4460 * Messages are only to be sent when the USER does something to
4461 * change the contents. So I am removing this EN_CHANGE
4463 * EDIT_NOTIFY_PARENT(es, EN_CHANGE);
4465 EDIT_EM_ScrollCaret(es
);
4467 /* force scroll info update */
4468 EDIT_UpdateScrollInfo(es
);
4469 /* The rule seems to return 1 here for success */
4470 /* Power Builder masked edit controls will crash */
4472 /* FIXME: is that in all cases so ? */
4477 /*********************************************************************
4482 static LRESULT
EDIT_WM_NCDestroy(EDITSTATE
*es
)
4487 LocalFree(es
->hloc32W
);
4490 LocalFree(es
->hloc32A
);
4492 pc
= es
->first_line_def
;
4496 HeapFree(GetProcessHeap(), 0, pc
);
4500 SetWindowLongPtrW( es
->hwndSelf
, 0, 0 );
4501 HeapFree(GetProcessHeap(), 0, es
->undo_text
);
4502 HeapFree(GetProcessHeap(), 0, es
);
4508 static inline LRESULT
DefWindowProcT(HWND hwnd
, UINT msg
, WPARAM wParam
, LPARAM lParam
, BOOL unicode
)
4511 return DefWindowProcW(hwnd
, msg
, wParam
, lParam
);
4513 return DefWindowProcA(hwnd
, msg
, wParam
, lParam
);
4516 /*********************************************************************
4518 * EditWndProc_common
4520 * The messages are in the order of the actual integer values
4521 * (which can be found in include/windows.h)
4523 LRESULT
EditWndProc_common( HWND hwnd
, UINT msg
, WPARAM wParam
, LPARAM lParam
, BOOL unicode
)
4525 EDITSTATE
*es
= (EDITSTATE
*)GetWindowLongPtrW( hwnd
, 0 );
4528 TRACE("hwnd=%p msg=%x (%s) wparam=%lx lparam=%lx\n", hwnd
, msg
, SPY_GetMsgName(msg
, hwnd
), wParam
, lParam
);
4530 if (!es
&& msg
!= WM_NCCREATE
)
4531 return DefWindowProcT(hwnd
, msg
, wParam
, lParam
, unicode
);
4533 if (es
&& (msg
!= WM_NCDESTROY
)) EDIT_LockBuffer(es
);
4537 result
= EDIT_EM_GetSel(es
, (PUINT
)wParam
, (PUINT
)lParam
);
4541 EDIT_EM_SetSel(es
, wParam
, lParam
, FALSE
);
4542 EDIT_EM_ScrollCaret(es
);
4548 CopyRect((LPRECT
)lParam
, &es
->format_rect
);
4552 if ((es
->style
& ES_MULTILINE
) && lParam
) {
4553 EDIT_SetRectNP(es
, (LPRECT
)lParam
);
4554 EDIT_UpdateText(es
, NULL
, TRUE
);
4559 if ((es
->style
& ES_MULTILINE
) && lParam
)
4560 EDIT_SetRectNP(es
, (LPRECT
)lParam
);
4564 result
= EDIT_EM_Scroll(es
, (INT
)wParam
);
4568 result
= (LRESULT
)EDIT_EM_LineScroll(es
, (INT
)wParam
, (INT
)lParam
);
4571 case EM_SCROLLCARET
:
4572 EDIT_EM_ScrollCaret(es
);
4577 result
= ((es
->flags
& EF_MODIFIED
) != 0);
4582 es
->flags
|= EF_MODIFIED
;
4584 es
->flags
&= ~(EF_MODIFIED
| EF_UPDATE
); /* reset pending updates */
4587 case EM_GETLINECOUNT
:
4588 result
= (es
->style
& ES_MULTILINE
) ? es
->line_count
: 1;
4592 result
= (LRESULT
)EDIT_EM_LineIndex(es
, (INT
)wParam
);
4596 EDIT_EM_SetHandle(es
, (HLOCAL
)wParam
);
4600 result
= (LRESULT
)EDIT_EM_GetHandle(es
);
4604 result
= EDIT_EM_GetThumb(es
);
4607 /* these messages missing from specs */
4612 FIXME("undocumented message 0x%x, please report\n", msg
);
4613 result
= DefWindowProcW(hwnd
, msg
, wParam
, lParam
);
4617 result
= (LRESULT
)EDIT_EM_LineLength(es
, (INT
)wParam
);
4625 textW
= (LPWSTR
)lParam
;
4628 LPSTR textA
= (LPSTR
)lParam
;
4629 INT countW
= MultiByteToWideChar(CP_ACP
, 0, textA
, -1, NULL
, 0);
4630 if (!(textW
= HeapAlloc(GetProcessHeap(), 0, countW
* sizeof(WCHAR
)))) break;
4631 MultiByteToWideChar(CP_ACP
, 0, textA
, -1, textW
, countW
);
4634 EDIT_EM_ReplaceSel(es
, (BOOL
)wParam
, textW
, TRUE
, TRUE
);
4638 HeapFree(GetProcessHeap(), 0, textW
);
4643 result
= (LRESULT
)EDIT_EM_GetLine(es
, (INT
)wParam
, (LPWSTR
)lParam
, unicode
);
4646 case EM_SETLIMITTEXT
:
4647 EDIT_EM_SetLimitText(es
, wParam
);
4651 result
= (LRESULT
)EDIT_EM_CanUndo(es
);
4656 result
= (LRESULT
)EDIT_EM_Undo(es
);
4660 result
= (LRESULT
)EDIT_EM_FmtLines(es
, (BOOL
)wParam
);
4663 case EM_LINEFROMCHAR
:
4664 result
= (LRESULT
)EDIT_EM_LineFromChar(es
, (INT
)wParam
);
4667 case EM_SETTABSTOPS
:
4668 result
= (LRESULT
)EDIT_EM_SetTabStops(es
, (INT
)wParam
, (LPINT
)lParam
);
4671 case EM_SETPASSWORDCHAR
:
4676 charW
= (WCHAR
)wParam
;
4679 CHAR charA
= wParam
;
4680 MultiByteToWideChar(CP_ACP
, 0, &charA
, 1, &charW
, 1);
4683 EDIT_EM_SetPasswordChar(es
, charW
);
4687 case EM_EMPTYUNDOBUFFER
:
4688 EDIT_EM_EmptyUndoBuffer(es
);
4691 case EM_GETFIRSTVISIBLELINE
:
4692 result
= (es
->style
& ES_MULTILINE
) ? es
->y_offset
: es
->x_offset
;
4695 case EM_SETREADONLY
:
4697 DWORD old_style
= es
->style
;
4700 SetWindowLongW( hwnd
, GWL_STYLE
,
4701 GetWindowLongW( hwnd
, GWL_STYLE
) | ES_READONLY
);
4702 es
->style
|= ES_READONLY
;
4704 SetWindowLongW( hwnd
, GWL_STYLE
,
4705 GetWindowLongW( hwnd
, GWL_STYLE
) & ~ES_READONLY
);
4706 es
->style
&= ~ES_READONLY
;
4709 if (old_style
^ es
->style
)
4710 InvalidateRect(es
->hwndSelf
, NULL
, TRUE
);
4716 case EM_SETWORDBREAKPROC
:
4717 EDIT_EM_SetWordBreakProc(es
, (void *)lParam
);
4720 case EM_GETWORDBREAKPROC
:
4721 result
= (LRESULT
)es
->word_break_proc
;
4724 case EM_GETPASSWORDCHAR
:
4727 result
= es
->password_char
;
4730 WCHAR charW
= es
->password_char
;
4732 WideCharToMultiByte(CP_ACP
, 0, &charW
, 1, &charA
, 1, NULL
, NULL
);
4739 EDIT_EM_SetMargins(es
, (INT
)wParam
, LOWORD(lParam
), HIWORD(lParam
), TRUE
);
4743 result
= MAKELONG(es
->left_margin
, es
->right_margin
);
4746 case EM_GETLIMITTEXT
:
4747 result
= es
->buffer_limit
;
4750 case EM_POSFROMCHAR
:
4751 if ((INT
)wParam
>= get_text_length(es
)) result
= -1;
4752 else result
= EDIT_EM_PosFromChar(es
, (INT
)wParam
, FALSE
);
4755 case EM_CHARFROMPOS
:
4756 result
= EDIT_EM_CharFromPos(es
, (short)LOWORD(lParam
), (short)HIWORD(lParam
));
4759 /* End of the EM_ messages which were in numerical order; what order
4760 * are these in? vaguely alphabetical?
4764 result
= EDIT_WM_NCCreate(hwnd
, (LPCREATESTRUCTW
)lParam
, unicode
);
4768 result
= EDIT_WM_NCDestroy(es
);
4773 result
= DLGC_HASSETSEL
| DLGC_WANTCHARS
| DLGC_WANTARROWS
;
4775 if (es
->style
& ES_MULTILINE
)
4776 result
|= DLGC_WANTALLKEYS
;
4780 es
->flags
|=EF_DIALOGMODE
;
4782 if (((LPMSG
)lParam
)->message
== WM_KEYDOWN
)
4784 int vk
= (int)((LPMSG
)lParam
)->wParam
;
4786 if (es
->hwndListBox
)
4788 if (vk
== VK_RETURN
|| vk
== VK_ESCAPE
)
4789 if (SendMessageW(GetParent(hwnd
), CB_GETDROPPEDSTATE
, 0, 0))
4790 result
|= DLGC_WANTMESSAGE
;
4802 strng
[0] = wParam
>> 8;
4803 strng
[1] = wParam
& 0xff;
4804 if (strng
[0]) MultiByteToWideChar(CP_ACP
, 0, strng
, 2, &charW
, 1);
4805 else MultiByteToWideChar(CP_ACP
, 0, &strng
[1], 1, &charW
, 1);
4806 result
= EDIT_WM_Char(es
, charW
);
4818 CHAR charA
= wParam
;
4819 MultiByteToWideChar(CP_ACP
, 0, &charA
, 1, &charW
, 1);
4822 if (es
->hwndListBox
)
4824 if (charW
== VK_RETURN
|| charW
== VK_ESCAPE
)
4826 if (SendMessageW(GetParent(hwnd
), CB_GETDROPPEDSTATE
, 0, 0))
4827 SendMessageW(GetParent(hwnd
), WM_KEYDOWN
, charW
, 0);
4831 result
= EDIT_WM_Char(es
, charW
);
4838 if (wParam
== UNICODE_NOCHAR
) return TRUE
;
4839 if (wParam
<= 0x000fffff)
4841 if(wParam
> 0xffff) /* convert to surrogates */
4844 EDIT_WM_Char(es
, (wParam
>> 10) + 0xd800);
4845 EDIT_WM_Char(es
, (wParam
& 0x03ff) + 0xdc00);
4847 else EDIT_WM_Char(es
, wParam
);
4858 EDIT_WM_Command(es
, HIWORD(wParam
), LOWORD(wParam
), (HWND
)lParam
);
4861 case WM_CONTEXTMENU
:
4862 EDIT_WM_ContextMenu(es
, (short)LOWORD(lParam
), (short)HIWORD(lParam
));
4871 result
= EDIT_WM_Create(es
, ((LPCREATESTRUCTW
)lParam
)->lpszName
);
4874 LPCSTR nameA
= ((LPCREATESTRUCTA
)lParam
)->lpszName
;
4875 LPWSTR nameW
= NULL
;
4878 INT countW
= MultiByteToWideChar(CP_ACP
, 0, nameA
, -1, NULL
, 0);
4879 if((nameW
= HeapAlloc(GetProcessHeap(), 0, countW
* sizeof(WCHAR
))))
4880 MultiByteToWideChar(CP_ACP
, 0, nameA
, -1, nameW
, countW
);
4882 result
= EDIT_WM_Create(es
, nameW
);
4883 HeapFree(GetProcessHeap(), 0, nameW
);
4892 es
->bEnableState
= (BOOL
) wParam
;
4893 EDIT_UpdateText(es
, NULL
, TRUE
);
4897 /* we do the proper erase in EDIT_WM_Paint */
4902 result
= (LRESULT
)es
->font
;
4906 result
= (LRESULT
)EDIT_WM_GetText(es
, (INT
)wParam
, (LPWSTR
)lParam
, unicode
);
4909 case WM_GETTEXTLENGTH
:
4910 if (unicode
) result
= get_text_length(es
);
4911 else result
= WideCharToMultiByte( CP_ACP
, 0, es
->text
, get_text_length(es
),
4912 NULL
, 0, NULL
, NULL
);
4916 result
= EDIT_WM_HScroll(es
, LOWORD(wParam
), (short)HIWORD(wParam
));
4920 result
= EDIT_WM_KeyDown(es
, (INT
)wParam
);
4924 result
= EDIT_WM_KillFocus(es
);
4927 case WM_LBUTTONDBLCLK
:
4928 result
= EDIT_WM_LButtonDblClk(es
);
4931 case WM_LBUTTONDOWN
:
4932 result
= EDIT_WM_LButtonDown(es
, wParam
, (short)LOWORD(lParam
), (short)HIWORD(lParam
));
4936 result
= EDIT_WM_LButtonUp(es
);
4939 case WM_MBUTTONDOWN
:
4940 result
= EDIT_WM_MButtonDown(es
);
4944 result
= EDIT_WM_MouseMove(es
, (short)LOWORD(lParam
), (short)HIWORD(lParam
));
4947 case WM_PRINTCLIENT
:
4949 EDIT_WM_Paint(es
, (HDC
)wParam
);
4957 EDIT_WM_SetFocus(es
);
4961 EDIT_WM_SetFont(es
, (HFONT
)wParam
, LOWORD(lParam
) != 0);
4965 /* FIXME: actually set an internal flag and behave accordingly */
4969 EDIT_WM_SetText(es
, (LPCWSTR
)lParam
, unicode
);
4974 EDIT_WM_Size(es
, (UINT
)wParam
, LOWORD(lParam
), HIWORD(lParam
));
4977 case WM_STYLECHANGED
:
4978 result
= EDIT_WM_StyleChanged(es
, wParam
, (const STYLESTRUCT
*)lParam
);
4981 case WM_STYLECHANGING
:
4982 result
= 0; /* See EDIT_WM_StyleChanged */
4986 result
= EDIT_WM_SysKeyDown(es
, (INT
)wParam
, (DWORD
)lParam
);
4994 result
= EDIT_WM_VScroll(es
, LOWORD(wParam
), (short)HIWORD(wParam
));
4999 int gcWheelDelta
= 0;
5000 UINT pulScrollLines
= 3;
5001 SystemParametersInfoW(SPI_GETWHEELSCROLLLINES
,0, &pulScrollLines
, 0);
5003 if (wParam
& (MK_SHIFT
| MK_CONTROL
)) {
5004 result
= DefWindowProcW(hwnd
, msg
, wParam
, lParam
);
5007 gcWheelDelta
-= GET_WHEEL_DELTA_WPARAM(wParam
);
5008 if (abs(gcWheelDelta
) >= WHEEL_DELTA
&& pulScrollLines
)
5010 int cLineScroll
= (int) min((UINT
) es
->line_count
, pulScrollLines
);
5011 cLineScroll
*= (gcWheelDelta
/ WHEEL_DELTA
);
5012 result
= EDIT_EM_LineScroll(es
, 0, cLineScroll
);
5018 /* IME messages to make the edit control IME aware */
5019 case WM_IME_SETCONTEXT
:
5022 case WM_IME_STARTCOMPOSITION
:
5023 es
->composition_start
= es
->selection_end
;
5024 es
->composition_len
= 0;
5027 case WM_IME_COMPOSITION
:
5028 EDIT_ImeComposition(hwnd
, lParam
, es
);
5031 case WM_IME_ENDCOMPOSITION
:
5032 if (es
->composition_len
> 0)
5034 EDIT_EM_ReplaceSel(es
, TRUE
, empty_stringW
, TRUE
, TRUE
);
5035 es
->selection_end
= es
->selection_start
;
5036 es
->composition_len
= 0;
5040 case WM_IME_COMPOSITIONFULL
:
5046 case WM_IME_CONTROL
:
5050 result
= DefWindowProcT(hwnd
, msg
, wParam
, lParam
, unicode
);
5054 if (IsWindow(hwnd
) && es
) EDIT_UnlockBuffer(es
, FALSE
);
5056 TRACE("hwnd=%p msg=%x (%s) -- 0x%08lx\n", hwnd
, msg
, SPY_GetMsgName(msg
, hwnd
), result
);
5062 /*********************************************************************
5063 * edit class descriptor
5065 static const WCHAR editW
[] = {'E','d','i','t',0};
5066 const struct builtin_class_descr EDIT_builtin_class
=
5069 CS_DBLCLKS
| CS_PARENTDC
, /* style */
5070 WINPROC_EDIT
, /* proc */
5072 sizeof(EDITSTATE
*) + sizeof(WORD
), /* extra */
5074 sizeof(EDITSTATE
*), /* extra */
5076 IDC_IBEAM
, /* cursor */