4 * Copyright David W. Metcalfe, 1994
5 * Copyright William Magro, 1995, 1996
6 * Copyright Frans van Dorsselaer, 1996, 1997
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
25 * This code was audited for completeness against the documented features
26 * of Comctl32.dll version 6.0 on Oct. 8, 2004, by Dimitrie O. Paun.
28 * Unless otherwise noted, we believe this code to be complete, as per
29 * the specification mentioned above.
30 * If you discover missing features, or bugs, please note them below.
33 * - EDITBALLOONTIP structure
34 * - EM_GETCUEBANNER/Edit_GetCueBannerText
35 * - EM_HIDEBALLOONTIP/Edit_HideBalloonTip
36 * - EM_SETCUEBANNER/Edit_SetCueBannerText
37 * - EM_SHOWBALLOONTIP/Edit_ShowBalloonTip
38 * - EM_GETIMESTATUS, EM_SETIMESTATUS
57 #include "wine/unicode.h"
59 #include "user_private.h"
60 #include "wine/debug.h"
62 WINE_DEFAULT_DEBUG_CHANNEL(edit
);
63 WINE_DECLARE_DEBUG_CHANNEL(combo
);
64 WINE_DECLARE_DEBUG_CHANNEL(relay
);
66 #define BUFLIMIT_INITIAL 30000 /* initial buffer size */
67 #define GROWLENGTH 32 /* buffers granularity in bytes: must be power of 2 */
68 #define ROUND_TO_GROW(size) (((size) + (GROWLENGTH - 1)) & ~(GROWLENGTH - 1))
69 #define HSCROLL_FRACTION 3 /* scroll window by 1/3 width */
72 * extra flags for EDITSTATE.flags field
74 #define EF_MODIFIED 0x0001 /* text has been modified */
75 #define EF_FOCUSED 0x0002 /* we have input focus */
76 #define EF_UPDATE 0x0004 /* notify parent of changed state */
77 #define EF_VSCROLL_TRACK 0x0008 /* don't SetScrollPos() since we are tracking the thumb */
78 #define EF_HSCROLL_TRACK 0x0010 /* don't SetScrollPos() since we are tracking the thumb */
79 #define EF_AFTER_WRAP 0x0080 /* the caret is displayed after the last character of a
80 wrapped line, instead of in front of the next character */
81 #define EF_USE_SOFTBRK 0x0100 /* Enable soft breaks in text. */
82 #define EF_DIALOGMODE 0x0200 /* Indicates that we are inside a dialog window */
86 END_0
= 0, /* line ends with terminating '\0' character */
87 END_WRAP
, /* line is wrapped */
88 END_HARD
, /* line ends with a hard return '\r\n' */
89 END_SOFT
, /* line ends with a soft return '\r\r\n' */
90 END_RICH
/* line ends with a single '\n' */
93 typedef struct tagLINEDEF
{
94 INT length
; /* bruto length of a line in bytes */
95 INT net_length
; /* netto length of a line in visible characters */
97 INT width
; /* width of the line in pixels */
98 INT index
; /* line index into the buffer */
99 SCRIPT_STRING_ANALYSIS ssa
; /* Uniscribe Data */
100 struct tagLINEDEF
*next
;
105 BOOL is_unicode
; /* how the control was created */
106 LPWSTR text
; /* the actual contents of the control */
107 UINT text_length
; /* cached length of text buffer (in WCHARs) - use get_text_length() to retrieve */
108 UINT buffer_size
; /* the size of the buffer in characters */
109 UINT buffer_limit
; /* the maximum size to which the buffer may grow in characters */
110 HFONT font
; /* NULL means standard system font */
111 INT x_offset
; /* scroll offset for multi lines this is in pixels
112 for single lines it's in characters */
113 INT line_height
; /* height of a screen line in pixels */
114 INT char_width
; /* average character width in pixels */
115 DWORD style
; /* sane version of wnd->dwStyle */
116 WORD flags
; /* flags that are not in es->style or wnd->flags (EF_XXX) */
117 INT undo_insert_count
; /* number of characters inserted in sequence */
118 UINT undo_position
; /* character index of the insertion and deletion */
119 LPWSTR undo_text
; /* deleted text */
120 UINT undo_buffer_size
; /* size of the deleted text buffer */
121 INT selection_start
; /* == selection_end if no selection */
122 INT selection_end
; /* == current caret position */
123 WCHAR password_char
; /* == 0 if no password char, and for multi line controls */
124 INT left_margin
; /* in pixels */
125 INT right_margin
; /* in pixels */
127 INT text_width
; /* width of the widest line in pixels for multi line controls
128 and just line width for single line controls */
129 INT region_posx
; /* Position of cursor relative to region: */
130 INT region_posy
; /* -1: to left, 0: within, 1: to right */
131 void *word_break_proc
; /* 32-bit word break proc: ANSI or Unicode */
132 INT line_count
; /* number of lines */
133 INT y_offset
; /* scroll offset in number of lines */
134 BOOL bCaptureState
; /* flag indicating whether mouse was captured */
135 BOOL bEnableState
; /* flag keeping the enable state */
136 HWND hwndSelf
; /* the our window handle */
137 HWND hwndParent
; /* Handle of parent for sending EN_* messages.
138 Even if parent will change, EN_* messages
139 should be sent to the first parent. */
140 HWND hwndListBox
; /* handle of ComboBox's listbox or NULL */
141 INT wheelDeltaRemainder
; /* scroll wheel delta left over after scrolling whole lines */
143 * only for multi line controls
145 INT lock_count
; /* amount of re-entries in the EditWndProc */
148 LINEDEF
*first_line_def
; /* linked list of (soft) linebreaks */
149 HLOCAL hloc32W
; /* our unicode local memory block */
150 HLOCAL hloc32A
; /* alias for ANSI control receiving EM_GETHANDLE
152 HLOCAL hlocapp
; /* The text buffer handle belongs to the app */
156 UINT composition_len
; /* length of composition, 0 == no composition */
157 int composition_start
; /* the character position for the composition */
161 SCRIPT_LOGATTR
*logAttr
;
162 SCRIPT_STRING_ANALYSIS ssa
; /* Uniscribe Data for single line controls */
166 #define SWAP_UINT32(x,y) do { UINT temp = (UINT)(x); (x) = (UINT)(y); (y) = temp; } while(0)
167 #define ORDER_UINT(x,y) do { if ((UINT)(y) < (UINT)(x)) SWAP_UINT32((x),(y)); } while(0)
169 /* used for disabled or read-only edit control */
170 #define EDIT_NOTIFY_PARENT(es, wNotifyCode) \
172 { /* Notify parent which has created this edit control */ \
173 TRACE("notification " #wNotifyCode " sent to hwnd=%p\n", es->hwndParent); \
174 SendMessageW(es->hwndParent, WM_COMMAND, \
175 MAKEWPARAM(GetWindowLongPtrW((es->hwndSelf),GWLP_ID), wNotifyCode), \
176 (LPARAM)(es->hwndSelf)); \
179 static LRESULT
EDIT_EM_PosFromChar(EDITSTATE
*es
, INT index
, BOOL after_wrap
);
181 /*********************************************************************
186 static inline BOOL
EDIT_EM_CanUndo(const EDITSTATE
*es
)
188 return (es
->undo_insert_count
|| strlenW(es
->undo_text
));
192 /*********************************************************************
197 static inline void EDIT_EM_EmptyUndoBuffer(EDITSTATE
*es
)
199 es
->undo_insert_count
= 0;
200 *es
->undo_text
= '\0';
204 /**********************************************************************
207 * Returns the window version in case Wine emulates a later version
208 * of windows than the application expects.
210 * In a number of cases when windows runs an application that was
211 * designed for an earlier windows version, windows reverts
212 * to "old" behaviour of that earlier version.
214 * An example is a disabled edit control that needs to be painted.
215 * Old style behaviour is to send a WM_CTLCOLOREDIT message. This was
216 * changed in Win95, NT4.0 by a WM_CTLCOLORSTATIC message _only_ for
217 * applications with an expected version 0f 4.0 or higher.
220 static DWORD
get_app_version(void)
222 static DWORD version
;
225 DWORD dwEmulatedVersion
;
227 DWORD dwProcVersion
= GetProcessVersion(0);
229 info
.dwOSVersionInfoSize
= sizeof(OSVERSIONINFOW
);
230 GetVersionExW( &info
);
231 dwEmulatedVersion
= MAKELONG( info
.dwMinorVersion
, info
.dwMajorVersion
);
232 /* FIXME: this may not be 100% correct; see discussion on the
233 * wine developer list in Nov 1999 */
234 version
= dwProcVersion
< dwEmulatedVersion
? dwProcVersion
: dwEmulatedVersion
;
239 static HBRUSH
EDIT_NotifyCtlColor(EDITSTATE
*es
, HDC hdc
)
244 if ( get_app_version() >= 0x40000 && (!es
->bEnableState
|| (es
->style
& ES_READONLY
)))
245 msg
= WM_CTLCOLORSTATIC
;
247 msg
= WM_CTLCOLOREDIT
;
249 /* why do we notify to es->hwndParent, and we send this one to GetParent()? */
250 hbrush
= (HBRUSH
)SendMessageW(GetParent(es
->hwndSelf
), msg
, (WPARAM
)hdc
, (LPARAM
)es
->hwndSelf
);
252 hbrush
= (HBRUSH
)DefWindowProcW(GetParent(es
->hwndSelf
), msg
, (WPARAM
)hdc
, (LPARAM
)es
->hwndSelf
);
257 static inline UINT
get_text_length(EDITSTATE
*es
)
259 if(es
->text_length
== (UINT
)-1)
260 es
->text_length
= strlenW(es
->text
);
261 return es
->text_length
;
265 /*********************************************************************
269 * Find the beginning of words.
270 * Note: unlike the specs for a WordBreakProc, this function can
271 * only be called without linebreaks between s[0] up to
272 * s[count - 1]. Remember it is only called
273 * internally, so we can decide this for ourselves.
274 * Additionally we will always be breaking the full string.
277 static INT
EDIT_WordBreakProc(EDITSTATE
*es
, LPWSTR s
, INT index
, INT count
, INT action
)
281 TRACE("s=%p, index=%d, count=%d, action=%d\n", s
, index
, count
, action
);
289 memset(&psa
,0,sizeof(SCRIPT_ANALYSIS
));
290 psa
.eScript
= SCRIPT_UNDEFINED
;
292 es
->logAttr
= HeapAlloc(GetProcessHeap(), 0, sizeof(SCRIPT_LOGATTR
) * get_text_length(es
));
293 ScriptBreak(es
->text
, get_text_length(es
), &psa
, es
->logAttr
);
300 while (index
&& !es
->logAttr
[index
].fSoftBreak
)
307 while (index
< count
&& s
[index
] && !es
->logAttr
[index
].fSoftBreak
)
312 ret
= es
->logAttr
[index
].fWhiteSpace
;
315 ERR("unknown action code, please report !\n");
322 /*********************************************************************
324 * EDIT_CallWordBreakProc
326 * Call appropriate WordBreakProc (internal or external).
328 * Note: The "start" argument should always be an index referring
329 * to es->text. The actual wordbreak proc might be
330 * 16 bit, so we can't always pass any 32 bit LPSTR.
331 * Hence we assume that es->text is the buffer that holds
332 * the string under examination (we can decide this for ourselves).
335 static INT
EDIT_CallWordBreakProc(EDITSTATE
*es
, INT start
, INT index
, INT count
, INT action
)
339 if (es
->word_break_proc
)
343 EDITWORDBREAKPROCW wbpW
= (EDITWORDBREAKPROCW
)es
->word_break_proc
;
345 TRACE_(relay
)("(UNICODE wordbrk=%p,str=%s,idx=%d,cnt=%d,act=%d)\n",
346 es
->word_break_proc
, debugstr_wn(es
->text
+ start
, count
), index
, count
, action
);
347 ret
= wbpW(es
->text
+ start
, index
, count
, action
);
351 EDITWORDBREAKPROCA wbpA
= (EDITWORDBREAKPROCA
)es
->word_break_proc
;
355 countA
= WideCharToMultiByte(CP_ACP
, 0, es
->text
+ start
, count
, NULL
, 0, NULL
, NULL
);
356 textA
= HeapAlloc(GetProcessHeap(), 0, countA
);
357 WideCharToMultiByte(CP_ACP
, 0, es
->text
+ start
, count
, textA
, countA
, NULL
, NULL
);
358 TRACE_(relay
)("(ANSI wordbrk=%p,str=%s,idx=%d,cnt=%d,act=%d)\n",
359 es
->word_break_proc
, debugstr_an(textA
, countA
), index
, countA
, action
);
360 ret
= wbpA(textA
, index
, countA
, action
);
361 HeapFree(GetProcessHeap(), 0, textA
);
365 ret
= EDIT_WordBreakProc(es
, es
->text
, index
+start
, count
+start
, action
) - start
;
370 static inline void EDIT_InvalidateUniscribeData_linedef(LINEDEF
*line_def
)
374 ScriptStringFree(&line_def
->ssa
);
375 line_def
->ssa
= NULL
;
379 static inline void EDIT_InvalidateUniscribeData(EDITSTATE
*es
)
381 LINEDEF
*line_def
= es
->first_line_def
;
384 EDIT_InvalidateUniscribeData_linedef(line_def
);
385 line_def
= line_def
->next
;
389 ScriptStringFree(&es
->ssa
);
394 static SCRIPT_STRING_ANALYSIS
EDIT_UpdateUniscribeData_linedef(EDITSTATE
*es
, HDC dc
, LINEDEF
*line_def
)
399 if (line_def
->net_length
&& !line_def
->ssa
)
401 int index
= line_def
->index
;
402 HFONT old_font
= NULL
;
404 SCRIPT_TABDEF tabdef
;
408 udc
= GetDC(es
->hwndSelf
);
410 old_font
= SelectObject(udc
, es
->font
);
412 tabdef
.cTabStops
= es
->tabs_count
;
413 tabdef
.iScale
= GdiGetCharDimensions(udc
, NULL
, NULL
);
414 tabdef
.pTabStops
= es
->tabs
;
415 tabdef
.iTabOrigin
= 0;
417 hr
= ScriptStringAnalyse(udc
, &es
->text
[index
], line_def
->net_length
,
418 (1.5*line_def
->net_length
+16), -1,
419 SSA_LINK
|SSA_FALLBACK
|SSA_GLYPHS
|SSA_TAB
, -1,
420 NULL
, NULL
, NULL
, &tabdef
, NULL
, &line_def
->ssa
);
423 WARN("ScriptStringAnalyse failed (%x)\n",hr
);
424 line_def
->ssa
= NULL
;
428 SelectObject(udc
, old_font
);
430 ReleaseDC(es
->hwndSelf
, udc
);
433 return line_def
->ssa
;
436 static SCRIPT_STRING_ANALYSIS
EDIT_UpdateUniscribeData(EDITSTATE
*es
, HDC dc
, INT line
)
440 if (!(es
->style
& ES_MULTILINE
))
444 INT length
= get_text_length(es
);
445 HFONT old_font
= NULL
;
449 udc
= GetDC(es
->hwndSelf
);
451 old_font
= SelectObject(udc
, es
->font
);
453 if (es
->style
& ES_PASSWORD
)
454 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
);
456 ScriptStringAnalyse(udc
, es
->text
, length
, (1.5*length
+16), -1, SSA_LINK
|SSA_FALLBACK
|SSA_GLYPHS
, -1, NULL
, NULL
, NULL
, NULL
, NULL
, &es
->ssa
);
459 SelectObject(udc
, old_font
);
461 ReleaseDC(es
->hwndSelf
, udc
);
467 line_def
= es
->first_line_def
;
468 while (line_def
&& line
)
470 line_def
= line_def
->next
;
474 return EDIT_UpdateUniscribeData_linedef(es
,dc
,line_def
);
478 static inline INT
get_vertical_line_count(EDITSTATE
*es
)
480 INT vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
484 /*********************************************************************
486 * EDIT_BuildLineDefs_ML
488 * Build linked list of text lines.
489 * Lines can end with '\0' (last line), a character (if it is wrapped),
490 * a soft return '\r\r\n' or a hard return '\r\n'
493 static void EDIT_BuildLineDefs_ML(EDITSTATE
*es
, INT istart
, INT iend
, INT delta
, HRGN hrgn
)
495 LPWSTR current_position
, cp
;
497 LINEDEF
*current_line
;
498 LINEDEF
*previous_line
;
500 INT line_index
= 0, nstart_line
, nstart_index
;
501 INT line_count
= es
->line_count
;
506 if (istart
== iend
&& delta
== 0)
509 previous_line
= NULL
;
510 current_line
= es
->first_line_def
;
512 /* Find starting line. istart must lie inside an existing line or
513 * at the end of buffer */
515 if (istart
< current_line
->index
+ current_line
->length
||
516 current_line
->ending
== END_0
)
519 previous_line
= current_line
;
520 current_line
= current_line
->next
;
522 } while (current_line
);
524 if (!current_line
) /* Error occurred start is not inside previous buffer */
526 FIXME(" modification occurred outside buffer\n");
530 /* Remember start of modifications in order to calculate update region */
531 nstart_line
= line_index
;
532 nstart_index
= current_line
->index
;
534 /* We must start to reformat from the previous line since the modifications
535 * may have caused the line to wrap upwards. */
536 if (!(es
->style
& ES_AUTOHSCROLL
) && line_index
> 0)
539 current_line
= previous_line
;
541 start_line
= current_line
;
543 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
544 current_position
= es
->text
+ current_line
->index
;
545 vlc
= get_vertical_line_count(es
);
547 if (current_line
!= start_line
)
549 if (!current_line
|| current_line
->index
+ delta
> current_position
- es
->text
)
551 /* The buffer has been expanded, create a new line and
552 insert it into the link list */
553 LINEDEF
*new_line
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(LINEDEF
));
554 new_line
->next
= previous_line
->next
;
555 previous_line
->next
= new_line
;
556 current_line
= new_line
;
559 else if (current_line
->index
+ delta
< current_position
- es
->text
)
561 /* The previous line merged with this line so we delete this extra entry */
562 previous_line
->next
= current_line
->next
;
563 HeapFree(GetProcessHeap(), 0, current_line
);
564 current_line
= previous_line
->next
;
568 else /* current_line->index + delta == current_position */
570 if (current_position
- es
->text
> iend
)
571 break; /* We reached end of line modifications */
572 /* else recalculate this line */
576 current_line
->index
= current_position
- es
->text
;
577 orig_net_length
= current_line
->net_length
;
579 /* Find end of line */
580 cp
= current_position
;
582 if (*cp
== '\n') break;
583 if ((*cp
== '\r') && (*(cp
+ 1) == '\n'))
588 /* Mark type of line termination */
590 current_line
->ending
= END_0
;
591 current_line
->net_length
= strlenW(current_position
);
592 } else if ((cp
> current_position
) && (*(cp
- 1) == '\r')) {
593 current_line
->ending
= END_SOFT
;
594 current_line
->net_length
= cp
- current_position
- 1;
595 } else if (*cp
== '\n') {
596 current_line
->ending
= END_RICH
;
597 current_line
->net_length
= cp
- current_position
;
599 current_line
->ending
= END_HARD
;
600 current_line
->net_length
= cp
- current_position
;
603 if (current_line
->net_length
)
606 EDIT_InvalidateUniscribeData_linedef(current_line
);
607 EDIT_UpdateUniscribeData_linedef(es
, NULL
, current_line
);
608 if (current_line
->ssa
)
610 sz
= ScriptString_pSize(current_line
->ssa
);
611 /* Calculate line width */
612 current_line
->width
= sz
->cx
;
614 else current_line
->width
= es
->char_width
* current_line
->net_length
;
616 else current_line
->width
= 0;
618 /* FIXME: check here for lines that are too wide even in AUTOHSCROLL (> 32767 ???) */
620 /* Line breaks just look back from the end and find the next break and try that. */
622 if (!(es
->style
& ES_AUTOHSCROLL
)) {
623 if (current_line
->width
> fw
&& fw
> es
->char_width
) {
630 prev
= current_line
->net_length
- 1;
631 w
= current_line
->net_length
;
632 d
= (float)current_line
->width
/(float)fw
;
633 if (d
> 1.2f
) d
-= 0.2f
;
635 if (next
>= prev
) next
= prev
-1;
637 prev
= EDIT_CallWordBreakProc(es
, current_position
- es
->text
,
638 next
, current_line
->net_length
, WB_LEFT
);
639 current_line
->net_length
= prev
;
640 EDIT_InvalidateUniscribeData_linedef(current_line
);
641 EDIT_UpdateUniscribeData_linedef(es
, NULL
, current_line
);
642 if (current_line
->ssa
)
643 sz
= ScriptString_pSize(current_line
->ssa
);
646 current_line
->width
= sz
->cx
;
650 } while (prev
&& current_line
->width
> fw
);
651 current_line
->net_length
= w
;
653 if (prev
== 0) { /* Didn't find a line break so force a break */
657 EDIT_InvalidateUniscribeData_linedef(current_line
);
658 EDIT_UpdateUniscribeData_linedef(es
, NULL
, current_line
);
660 if (current_line
->ssa
)
662 count
= ScriptString_pcOutChars(current_line
->ssa
);
663 piDx
= HeapAlloc(GetProcessHeap(),0,sizeof(INT
) * (*count
));
664 ScriptStringGetLogicalWidths(current_line
->ssa
,piDx
);
666 prev
= current_line
->net_length
-1;
668 current_line
->width
-= piDx
[prev
];
670 } while ( prev
> 0 && current_line
->width
> fw
);
673 HeapFree(GetProcessHeap(),0,piDx
);
676 prev
= (fw
/ es
->char_width
);
679 /* If the first line we are calculating, wrapped before istart, we must
680 * adjust istart in order for this to be reflected in the update region. */
681 if (current_line
->index
== nstart_index
&& istart
> current_line
->index
+ prev
)
682 istart
= current_line
->index
+ prev
;
683 /* else if we are updating the previous line before the first line we
684 * are re-calculating and it expanded */
685 else if (current_line
== start_line
&&
686 current_line
->index
!= nstart_index
&& orig_net_length
< prev
)
688 /* Line expanded due to an upwards line wrap so we must partially include
689 * previous line in update region */
690 nstart_line
= line_index
;
691 nstart_index
= current_line
->index
;
692 istart
= current_line
->index
+ orig_net_length
;
695 current_line
->net_length
= prev
;
696 current_line
->ending
= END_WRAP
;
698 if (current_line
->net_length
> 0)
700 EDIT_UpdateUniscribeData_linedef(es
, NULL
, current_line
);
701 if (current_line
->ssa
)
703 sz
= ScriptString_pSize(current_line
->ssa
);
704 current_line
->width
= sz
->cx
;
707 current_line
->width
= 0;
709 else current_line
->width
= 0;
711 else if (current_line
== start_line
&&
712 current_line
->index
!= nstart_index
&&
713 orig_net_length
< current_line
->net_length
) {
714 /* The previous line expanded but it's still not as wide as the client rect */
715 /* The expansion is due to an upwards line wrap so we must partially include
716 it in the update region */
717 nstart_line
= line_index
;
718 nstart_index
= current_line
->index
;
719 istart
= current_line
->index
+ orig_net_length
;
724 /* Adjust length to include line termination */
725 switch (current_line
->ending
) {
727 current_line
->length
= current_line
->net_length
+ 3;
730 current_line
->length
= current_line
->net_length
+ 1;
733 current_line
->length
= current_line
->net_length
+ 2;
737 current_line
->length
= current_line
->net_length
;
740 es
->text_width
= max(es
->text_width
, current_line
->width
);
741 current_position
+= current_line
->length
;
742 previous_line
= current_line
;
744 /* Discard data for non-visible lines. It will be calculated as needed */
745 if ((line_index
< es
->y_offset
) || (line_index
> es
->y_offset
+ vlc
))
746 EDIT_InvalidateUniscribeData_linedef(current_line
);
748 current_line
= current_line
->next
;
750 } while (previous_line
->ending
!= END_0
);
752 /* Finish adjusting line indexes by delta or remove hanging lines */
753 if (previous_line
->ending
== END_0
)
755 LINEDEF
*pnext
= NULL
;
757 previous_line
->next
= NULL
;
760 pnext
= current_line
->next
;
761 EDIT_InvalidateUniscribeData_linedef(current_line
);
762 HeapFree(GetProcessHeap(), 0, current_line
);
763 current_line
= pnext
;
771 current_line
->index
+= delta
;
772 current_line
= current_line
->next
;
776 /* Calculate rest of modification rectangle */
781 * We calculate two rectangles. One for the first line which may have
782 * an indent with respect to the format rect. The other is a format-width
783 * rectangle that spans the rest of the lines that changed or moved.
785 rc
.top
= es
->format_rect
.top
+ nstart_line
* es
->line_height
-
786 (es
->y_offset
* es
->line_height
); /* Adjust for vertical scrollbar */
787 rc
.bottom
= rc
.top
+ es
->line_height
;
788 if ((es
->style
& ES_CENTER
) || (es
->style
& ES_RIGHT
))
789 rc
.left
= es
->format_rect
.left
;
791 rc
.left
= LOWORD(EDIT_EM_PosFromChar(es
, nstart_index
, FALSE
));
792 rc
.right
= es
->format_rect
.right
;
793 SetRectRgn(hrgn
, rc
.left
, rc
.top
, rc
.right
, rc
.bottom
);
796 rc
.left
= es
->format_rect
.left
;
797 rc
.right
= es
->format_rect
.right
;
799 * If lines were added or removed we must re-paint the remainder of the
800 * lines since the remaining lines were either shifted up or down.
802 if (line_count
< es
->line_count
) /* We added lines */
803 rc
.bottom
= es
->line_count
* es
->line_height
;
804 else if (line_count
> es
->line_count
) /* We removed lines */
805 rc
.bottom
= line_count
* es
->line_height
;
807 rc
.bottom
= line_index
* es
->line_height
;
808 rc
.bottom
+= es
->format_rect
.top
;
809 rc
.bottom
-= (es
->y_offset
* es
->line_height
); /* Adjust for vertical scrollbar */
810 tmphrgn
= CreateRectRgn(rc
.left
, rc
.top
, rc
.right
, rc
.bottom
);
811 CombineRgn(hrgn
, hrgn
, tmphrgn
, RGN_OR
);
812 DeleteObject(tmphrgn
);
816 /*********************************************************************
818 * EDIT_CalcLineWidth_SL
821 static void EDIT_CalcLineWidth_SL(EDITSTATE
*es
)
823 EDIT_UpdateUniscribeData(es
, NULL
, 0);
827 size
= ScriptString_pSize(es
->ssa
);
828 es
->text_width
= size
->cx
;
834 /*********************************************************************
838 * Beware: This is not the function called on EM_CHARFROMPOS
839 * The position _can_ be outside the formatting / client
841 * The return value is only the character index
844 static INT
EDIT_CharFromPos(EDITSTATE
*es
, INT x
, INT y
, LPBOOL after_wrap
)
848 if (es
->style
& ES_MULTILINE
) {
850 INT line
= (y
- es
->format_rect
.top
) / es
->line_height
+ es
->y_offset
;
852 LINEDEF
*line_def
= es
->first_line_def
;
853 EDIT_UpdateUniscribeData(es
, NULL
, line
);
854 while ((line
> 0) && line_def
->next
) {
855 line_index
+= line_def
->length
;
856 line_def
= line_def
->next
;
860 x
+= es
->x_offset
- es
->format_rect
.left
;
861 if (es
->style
& ES_RIGHT
)
862 x
-= (es
->format_rect
.right
- es
->format_rect
.left
) - line_def
->width
;
863 else if (es
->style
& ES_CENTER
)
864 x
-= ((es
->format_rect
.right
- es
->format_rect
.left
) - line_def
->width
) / 2;
865 if (x
>= line_def
->width
) {
867 *after_wrap
= (line_def
->ending
== END_WRAP
);
868 return line_index
+ line_def
->net_length
;
870 if (x
<= 0 || !line_def
->ssa
) {
876 ScriptStringXtoCP(line_def
->ssa
, x
, &index
, &trailing
);
877 if (trailing
) index
++;
880 *after_wrap
= ((index
== line_index
+ line_def
->net_length
) &&
881 (line_def
->ending
== END_WRAP
));
887 x
-= es
->format_rect
.left
;
893 INT indent
= (es
->format_rect
.right
- es
->format_rect
.left
) - es
->text_width
;
894 if (es
->style
& ES_RIGHT
)
896 else if (es
->style
& ES_CENTER
)
900 EDIT_UpdateUniscribeData(es
, NULL
, 0);
905 if (es
->x_offset
>= get_text_length(es
))
908 size
= ScriptString_pSize(es
->ssa
);
911 ScriptStringCPtoX(es
->ssa
, es
->x_offset
, FALSE
, &xoff
);
918 if (x
+ xoff
> 0 || !es
->ssa
)
920 ScriptStringXtoCP(es
->ssa
, x
+xoff
, &index
, &trailing
);
921 if (trailing
) index
++;
930 const SIZE
*size
= NULL
;
932 size
= ScriptString_pSize(es
->ssa
);
935 else if (x
> size
->cx
)
936 index
= get_text_length(es
);
939 ScriptStringXtoCP(es
->ssa
, x
+xoff
, &index
, &trailing
);
940 if (trailing
) index
++;
946 index
= es
->x_offset
;
953 /*********************************************************************
957 * adjusts the point to be within the formatting rectangle
958 * (so CharFromPos returns the nearest _visible_ character)
961 static void EDIT_ConfinePoint(const EDITSTATE
*es
, LPINT x
, LPINT y
)
963 *x
= min(max(*x
, es
->format_rect
.left
), es
->format_rect
.right
- 1);
964 *y
= min(max(*y
, es
->format_rect
.top
), es
->format_rect
.bottom
- 1);
968 /*********************************************************************
973 static INT
EDIT_EM_LineFromChar(EDITSTATE
*es
, INT index
)
978 if (!(es
->style
& ES_MULTILINE
))
980 if (index
> (INT
)get_text_length(es
))
981 return es
->line_count
- 1;
983 index
= min(es
->selection_start
, es
->selection_end
);
986 line_def
= es
->first_line_def
;
987 index
-= line_def
->length
;
988 while ((index
>= 0) && line_def
->next
) {
990 line_def
= line_def
->next
;
991 index
-= line_def
->length
;
997 /*********************************************************************
1002 static INT
EDIT_EM_LineIndex(const EDITSTATE
*es
, INT line
)
1005 const LINEDEF
*line_def
;
1007 if (!(es
->style
& ES_MULTILINE
))
1009 if (line
>= es
->line_count
)
1013 line_def
= es
->first_line_def
;
1015 INT index
= es
->selection_end
- line_def
->length
;
1016 while ((index
>= 0) && line_def
->next
) {
1017 line_index
+= line_def
->length
;
1018 line_def
= line_def
->next
;
1019 index
-= line_def
->length
;
1023 line_index
+= line_def
->length
;
1024 line_def
= line_def
->next
;
1032 /*********************************************************************
1037 static INT
EDIT_EM_LineLength(EDITSTATE
*es
, INT index
)
1041 if (!(es
->style
& ES_MULTILINE
))
1042 return get_text_length(es
);
1045 /* get the number of remaining non-selected chars of selected lines */
1046 INT32 l
; /* line number */
1047 INT32 li
; /* index of first char in line */
1049 l
= EDIT_EM_LineFromChar(es
, es
->selection_start
);
1050 /* # chars before start of selection area */
1051 count
= es
->selection_start
- EDIT_EM_LineIndex(es
, l
);
1052 l
= EDIT_EM_LineFromChar(es
, es
->selection_end
);
1053 /* # chars after end of selection */
1054 li
= EDIT_EM_LineIndex(es
, l
);
1055 count
+= li
+ EDIT_EM_LineLength(es
, li
) - es
->selection_end
;
1058 line_def
= es
->first_line_def
;
1059 index
-= line_def
->length
;
1060 while ((index
>= 0) && line_def
->next
) {
1061 line_def
= line_def
->next
;
1062 index
-= line_def
->length
;
1064 return line_def
->net_length
;
1068 /*********************************************************************
1073 static LRESULT
EDIT_EM_PosFromChar(EDITSTATE
*es
, INT index
, BOOL after_wrap
)
1075 INT len
= get_text_length(es
);
1084 index
= min(index
, len
);
1085 if (es
->style
& ES_MULTILINE
) {
1086 l
= EDIT_EM_LineFromChar(es
, index
);
1087 EDIT_UpdateUniscribeData(es
, NULL
, l
);
1089 y
= (l
- es
->y_offset
) * es
->line_height
;
1090 li
= EDIT_EM_LineIndex(es
, l
);
1091 if (after_wrap
&& (li
== index
) && l
) {
1093 line_def
= es
->first_line_def
;
1095 line_def
= line_def
->next
;
1098 if (line_def
->ending
== END_WRAP
) {
1100 y
-= es
->line_height
;
1101 li
= EDIT_EM_LineIndex(es
, l
);
1105 line_def
= es
->first_line_def
;
1106 while (line_def
->index
!= li
)
1107 line_def
= line_def
->next
;
1109 lw
= line_def
->width
;
1110 w
= es
->format_rect
.right
- es
->format_rect
.left
;
1113 ScriptStringCPtoX(line_def
->ssa
, (index
- 1) - li
, TRUE
, &x
);
1119 if (es
->style
& ES_RIGHT
)
1121 else if (es
->style
& ES_CENTER
)
1126 EDIT_UpdateUniscribeData(es
, NULL
, 0);
1131 if (es
->x_offset
>= get_text_length(es
))
1133 int leftover
= es
->x_offset
- get_text_length(es
);
1137 size
= ScriptString_pSize(es
->ssa
);
1142 xoff
+= es
->char_width
* leftover
;
1145 ScriptStringCPtoX(es
->ssa
, es
->x_offset
, FALSE
, &xoff
);
1152 if (index
>= get_text_length(es
))
1157 size
= ScriptString_pSize(es
->ssa
);
1164 ScriptStringCPtoX(es
->ssa
, index
, FALSE
, &xi
);
1170 if (index
>= es
->x_offset
) {
1171 if (!es
->x_offset
&& (es
->style
& (ES_RIGHT
| ES_CENTER
)))
1173 w
= es
->format_rect
.right
- es
->format_rect
.left
;
1174 if (w
> es
->text_width
)
1176 if (es
->style
& ES_RIGHT
)
1177 x
+= w
- es
->text_width
;
1178 else if (es
->style
& ES_CENTER
)
1179 x
+= (w
- es
->text_width
) / 2;
1185 x
+= es
->format_rect
.left
;
1186 y
+= es
->format_rect
.top
;
1187 return MAKELONG((INT16
)x
, (INT16
)y
);
1191 /*********************************************************************
1195 * Calculates the bounding rectangle for a line from a starting
1196 * column to an ending column.
1199 static void EDIT_GetLineRect(EDITSTATE
*es
, INT line
, INT scol
, INT ecol
, LPRECT rc
)
1201 SCRIPT_STRING_ANALYSIS ssa
;
1205 if (es
->style
& ES_MULTILINE
)
1207 const LINEDEF
*line_def
= NULL
;
1208 rc
->top
= es
->format_rect
.top
+ (line
- es
->y_offset
) * es
->line_height
;
1209 if (line
>= es
->line_count
)
1212 line_def
= es
->first_line_def
;
1214 INT index
= es
->selection_end
- line_def
->length
;
1215 while ((index
>= 0) && line_def
->next
) {
1216 line_index
+= line_def
->length
;
1217 line_def
= line_def
->next
;
1218 index
-= line_def
->length
;
1222 line_index
+= line_def
->length
;
1223 line_def
= line_def
->next
;
1227 ssa
= line_def
->ssa
;
1232 rc
->top
= es
->format_rect
.top
;
1236 rc
->bottom
= rc
->top
+ es
->line_height
;
1237 pt1
= (scol
== 0) ? es
->format_rect
.left
: (short)LOWORD(EDIT_EM_PosFromChar(es
, line_index
+ scol
, TRUE
));
1238 pt2
= (ecol
== -1) ? es
->format_rect
.right
: (short)LOWORD(EDIT_EM_PosFromChar(es
, line_index
+ ecol
, TRUE
));
1241 ScriptStringCPtoX(ssa
, scol
, FALSE
, &pt3
);
1242 pt3
+=es
->format_rect
.left
;
1245 rc
->right
= max(max(pt1
, pt2
),pt3
);
1246 rc
->left
= min(min(pt1
, pt2
),pt3
);
1250 static inline void text_buffer_changed(EDITSTATE
*es
)
1252 es
->text_length
= (UINT
)-1;
1254 HeapFree( GetProcessHeap(), 0, es
->logAttr
);
1256 EDIT_InvalidateUniscribeData(es
);
1259 /*********************************************************************
1263 static void EDIT_LockBuffer(EDITSTATE
*es
)
1265 if (es
->hlocapp
) return;
1269 if(!es
->hloc32W
) return;
1273 CHAR
*textA
= LocalLock(es
->hloc32A
);
1275 UINT countW_new
= MultiByteToWideChar(CP_ACP
, 0, textA
, -1, NULL
, 0);
1276 if(countW_new
> es
->buffer_size
+ 1)
1278 UINT alloc_size
= ROUND_TO_GROW(countW_new
* sizeof(WCHAR
));
1279 TRACE("Resizing 32-bit UNICODE buffer from %d+1 to %d WCHARs\n", es
->buffer_size
, countW_new
);
1280 hloc32W_new
= LocalReAlloc(es
->hloc32W
, alloc_size
, LMEM_MOVEABLE
| LMEM_ZEROINIT
);
1283 es
->hloc32W
= hloc32W_new
;
1284 es
->buffer_size
= LocalSize(hloc32W_new
)/sizeof(WCHAR
) - 1;
1285 TRACE("Real new size %d+1 WCHARs\n", es
->buffer_size
);
1288 WARN("FAILED! Will synchronize partially\n");
1290 es
->text
= LocalLock(es
->hloc32W
);
1291 MultiByteToWideChar(CP_ACP
, 0, textA
, -1, es
->text
, es
->buffer_size
+ 1);
1292 LocalUnlock(es
->hloc32A
);
1294 else es
->text
= LocalLock(es
->hloc32W
);
1300 /*********************************************************************
1305 static void EDIT_UnlockBuffer(EDITSTATE
*es
, BOOL force
)
1307 if (es
->hlocapp
) return;
1309 /* Edit window might be already destroyed */
1310 if(!IsWindow(es
->hwndSelf
))
1312 WARN("edit hwnd %p already destroyed\n", es
->hwndSelf
);
1316 if (!es
->lock_count
) {
1317 ERR("lock_count == 0 ... please report\n");
1321 ERR("es->text == 0 ... please report\n");
1325 if (force
|| (es
->lock_count
== 1)) {
1328 UINT countW
= get_text_length(es
) + 1;
1332 UINT countA_new
= WideCharToMultiByte(CP_ACP
, 0, es
->text
, countW
, NULL
, 0, NULL
, NULL
);
1333 TRACE("Synchronizing with 32-bit ANSI buffer\n");
1334 TRACE("%d WCHARs translated to %d bytes\n", countW
, countA_new
);
1335 countA
= LocalSize(es
->hloc32A
);
1336 if(countA_new
> countA
)
1339 UINT alloc_size
= ROUND_TO_GROW(countA_new
);
1340 TRACE("Resizing 32-bit ANSI buffer from %d to %d bytes\n", countA
, alloc_size
);
1341 hloc32A_new
= LocalReAlloc(es
->hloc32A
, alloc_size
, LMEM_MOVEABLE
| LMEM_ZEROINIT
);
1344 es
->hloc32A
= hloc32A_new
;
1345 countA
= LocalSize(hloc32A_new
);
1346 TRACE("Real new size %d bytes\n", countA
);
1349 WARN("FAILED! Will synchronize partially\n");
1351 WideCharToMultiByte(CP_ACP
, 0, es
->text
, countW
,
1352 LocalLock(es
->hloc32A
), countA
, NULL
, NULL
);
1353 LocalUnlock(es
->hloc32A
);
1356 LocalUnlock(es
->hloc32W
);
1360 ERR("no buffer ... please report\n");
1368 /*********************************************************************
1372 * Try to fit size + 1 characters in the buffer.
1374 static BOOL
EDIT_MakeFit(EDITSTATE
*es
, UINT size
)
1378 if (size
<= es
->buffer_size
)
1381 TRACE("trying to ReAlloc to %d+1 characters\n", size
);
1383 /* Force edit to unlock its buffer. es->text now NULL */
1384 EDIT_UnlockBuffer(es
, TRUE
);
1387 UINT alloc_size
= ROUND_TO_GROW((size
+ 1) * sizeof(WCHAR
));
1388 if ((hNew32W
= LocalReAlloc(es
->hloc32W
, alloc_size
, LMEM_MOVEABLE
| LMEM_ZEROINIT
))) {
1389 TRACE("Old 32 bit handle %p, new handle %p\n", es
->hloc32W
, hNew32W
);
1390 es
->hloc32W
= hNew32W
;
1391 es
->buffer_size
= LocalSize(hNew32W
)/sizeof(WCHAR
) - 1;
1395 EDIT_LockBuffer(es
);
1397 if (es
->buffer_size
< size
) {
1398 WARN("FAILED ! We now have %d+1\n", es
->buffer_size
);
1399 EDIT_NOTIFY_PARENT(es
, EN_ERRSPACE
);
1402 TRACE("We now have %d+1\n", es
->buffer_size
);
1408 /*********************************************************************
1412 * Try to fit size + 1 bytes in the undo buffer.
1415 static BOOL
EDIT_MakeUndoFit(EDITSTATE
*es
, UINT size
)
1419 if (size
<= es
->undo_buffer_size
)
1422 TRACE("trying to ReAlloc to %d+1\n", size
);
1424 alloc_size
= ROUND_TO_GROW((size
+ 1) * sizeof(WCHAR
));
1425 if ((es
->undo_text
= HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, es
->undo_text
, alloc_size
))) {
1426 es
->undo_buffer_size
= alloc_size
/sizeof(WCHAR
) - 1;
1431 WARN("FAILED ! We now have %d+1\n", es
->undo_buffer_size
);
1437 /*********************************************************************
1439 * EDIT_UpdateTextRegion
1442 static void EDIT_UpdateTextRegion(EDITSTATE
*es
, HRGN hrgn
, BOOL bErase
)
1444 if (es
->flags
& EF_UPDATE
) {
1445 es
->flags
&= ~EF_UPDATE
;
1446 EDIT_NOTIFY_PARENT(es
, EN_UPDATE
);
1448 InvalidateRgn(es
->hwndSelf
, hrgn
, bErase
);
1452 /*********************************************************************
1457 static void EDIT_UpdateText(EDITSTATE
*es
, const RECT
*rc
, BOOL bErase
)
1459 if (es
->flags
& EF_UPDATE
) {
1460 es
->flags
&= ~EF_UPDATE
;
1461 EDIT_NOTIFY_PARENT(es
, EN_UPDATE
);
1463 InvalidateRect(es
->hwndSelf
, rc
, bErase
);
1466 /*********************************************************************
1468 * EDIT_SL_InvalidateText
1470 * Called from EDIT_InvalidateText().
1471 * Does the job for single-line controls only.
1474 static void EDIT_SL_InvalidateText(EDITSTATE
*es
, INT start
, INT end
)
1479 EDIT_GetLineRect(es
, 0, start
, end
, &line_rect
);
1480 if (IntersectRect(&rc
, &line_rect
, &es
->format_rect
))
1481 EDIT_UpdateText(es
, &rc
, TRUE
);
1484 /*********************************************************************
1486 * EDIT_ML_InvalidateText
1488 * Called from EDIT_InvalidateText().
1489 * Does the job for multi-line controls only.
1492 static void EDIT_ML_InvalidateText(EDITSTATE
*es
, INT start
, INT end
)
1494 INT vlc
= get_vertical_line_count(es
);
1495 INT sl
= EDIT_EM_LineFromChar(es
, start
);
1496 INT el
= EDIT_EM_LineFromChar(es
, end
);
1505 if ((el
< es
->y_offset
) || (sl
> es
->y_offset
+ vlc
))
1508 sc
= start
- EDIT_EM_LineIndex(es
, sl
);
1509 ec
= end
- EDIT_EM_LineIndex(es
, el
);
1510 if (sl
< es
->y_offset
) {
1514 if (el
> es
->y_offset
+ vlc
) {
1515 el
= es
->y_offset
+ vlc
;
1516 ec
= EDIT_EM_LineLength(es
, EDIT_EM_LineIndex(es
, el
));
1518 GetClientRect(es
->hwndSelf
, &rc1
);
1519 IntersectRect(&rcWnd
, &rc1
, &es
->format_rect
);
1521 EDIT_GetLineRect(es
, sl
, sc
, ec
, &rcLine
);
1522 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1523 EDIT_UpdateText(es
, &rcUpdate
, TRUE
);
1525 EDIT_GetLineRect(es
, sl
, sc
,
1526 EDIT_EM_LineLength(es
,
1527 EDIT_EM_LineIndex(es
, sl
)),
1529 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1530 EDIT_UpdateText(es
, &rcUpdate
, TRUE
);
1531 for (l
= sl
+ 1 ; l
< el
; l
++) {
1532 EDIT_GetLineRect(es
, l
, 0,
1533 EDIT_EM_LineLength(es
,
1534 EDIT_EM_LineIndex(es
, l
)),
1536 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1537 EDIT_UpdateText(es
, &rcUpdate
, TRUE
);
1539 EDIT_GetLineRect(es
, el
, 0, ec
, &rcLine
);
1540 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1541 EDIT_UpdateText(es
, &rcUpdate
, TRUE
);
1546 /*********************************************************************
1548 * EDIT_InvalidateText
1550 * Invalidate the text from offset start up to, but not including,
1551 * offset end. Useful for (re)painting the selection.
1552 * Regions outside the linewidth are not invalidated.
1553 * end == -1 means end == TextLength.
1554 * start and end need not be ordered.
1557 static void EDIT_InvalidateText(EDITSTATE
*es
, INT start
, INT end
)
1563 end
= get_text_length(es
);
1571 if (es
->style
& ES_MULTILINE
)
1572 EDIT_ML_InvalidateText(es
, start
, end
);
1574 EDIT_SL_InvalidateText(es
, start
, end
);
1578 /*********************************************************************
1582 * note: unlike the specs say: the order of start and end
1583 * _is_ preserved in Windows. (i.e. start can be > end)
1584 * In other words: this handler is OK
1587 static void EDIT_EM_SetSel(EDITSTATE
*es
, UINT start
, UINT end
, BOOL after_wrap
)
1589 UINT old_start
= es
->selection_start
;
1590 UINT old_end
= es
->selection_end
;
1591 UINT len
= get_text_length(es
);
1593 if (start
== (UINT
)-1) {
1594 start
= es
->selection_end
;
1595 end
= es
->selection_end
;
1597 start
= min(start
, len
);
1598 end
= min(end
, len
);
1600 es
->selection_start
= start
;
1601 es
->selection_end
= end
;
1603 es
->flags
|= EF_AFTER_WRAP
;
1605 es
->flags
&= ~EF_AFTER_WRAP
;
1606 /* Compute the necessary invalidation region. */
1607 /* Note that we don't need to invalidate regions which have
1608 * "never" been selected, or those which are "still" selected.
1609 * In fact, every time we hit a selection boundary, we can
1610 * *toggle* whether we need to invalidate. Thus we can optimize by
1611 * *sorting* the interval endpoints. Let's assume that we sort them
1613 * start <= end <= old_start <= old_end
1614 * Knuth 5.3.1 (p 183) assures us that this can be done optimally
1615 * in 5 comparisons; i.e. it is impossible to do better than the
1617 ORDER_UINT(end
, old_end
);
1618 ORDER_UINT(start
, old_start
);
1619 ORDER_UINT(old_start
, old_end
);
1620 ORDER_UINT(start
, end
);
1621 /* Note that at this point 'end' and 'old_start' are not in order, but
1622 * start is definitely the min. and old_end is definitely the max. */
1623 if (end
!= old_start
)
1627 * ORDER_UINT32(end, old_start);
1628 * EDIT_InvalidateText(es, start, end);
1629 * EDIT_InvalidateText(es, old_start, old_end);
1630 * in place of the following if statement.
1631 * (That would complete the optimal five-comparison four-element sort.)
1633 if (old_start
> end
)
1635 EDIT_InvalidateText(es
, start
, end
);
1636 EDIT_InvalidateText(es
, old_start
, old_end
);
1640 EDIT_InvalidateText(es
, start
, old_start
);
1641 EDIT_InvalidateText(es
, end
, old_end
);
1644 else EDIT_InvalidateText(es
, start
, old_end
);
1648 /*********************************************************************
1650 * EDIT_UpdateScrollInfo
1653 static void EDIT_UpdateScrollInfo(EDITSTATE
*es
)
1655 if ((es
->style
& WS_VSCROLL
) && !(es
->flags
& EF_VSCROLL_TRACK
))
1658 si
.cbSize
= sizeof(SCROLLINFO
);
1659 si
.fMask
= SIF_PAGE
| SIF_POS
| SIF_RANGE
| SIF_DISABLENOSCROLL
;
1661 si
.nMax
= es
->line_count
- 1;
1662 si
.nPage
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
1663 si
.nPos
= es
->y_offset
;
1664 TRACE("SB_VERT, nMin=%d, nMax=%d, nPage=%d, nPos=%d\n",
1665 si
.nMin
, si
.nMax
, si
.nPage
, si
.nPos
);
1666 SetScrollInfo(es
->hwndSelf
, SB_VERT
, &si
, TRUE
);
1669 if ((es
->style
& WS_HSCROLL
) && !(es
->flags
& EF_HSCROLL_TRACK
))
1672 si
.cbSize
= sizeof(SCROLLINFO
);
1673 si
.fMask
= SIF_PAGE
| SIF_POS
| SIF_RANGE
| SIF_DISABLENOSCROLL
;
1675 si
.nMax
= es
->text_width
- 1;
1676 si
.nPage
= es
->format_rect
.right
- es
->format_rect
.left
;
1677 si
.nPos
= es
->x_offset
;
1678 TRACE("SB_HORZ, nMin=%d, nMax=%d, nPage=%d, nPos=%d\n",
1679 si
.nMin
, si
.nMax
, si
.nPage
, si
.nPos
);
1680 SetScrollInfo(es
->hwndSelf
, SB_HORZ
, &si
, TRUE
);
1685 /*********************************************************************
1687 * EDIT_EM_LineScroll_internal
1689 * Version of EDIT_EM_LineScroll for internal use.
1690 * It doesn't refuse if ES_MULTILINE is set and assumes that
1691 * dx is in pixels, dy - in lines.
1694 static BOOL
EDIT_EM_LineScroll_internal(EDITSTATE
*es
, INT dx
, INT dy
)
1697 INT x_offset_in_pixels
;
1698 INT lines_per_page
= (es
->format_rect
.bottom
- es
->format_rect
.top
) /
1701 if (es
->style
& ES_MULTILINE
)
1703 x_offset_in_pixels
= es
->x_offset
;
1708 x_offset_in_pixels
= (short)LOWORD(EDIT_EM_PosFromChar(es
, es
->x_offset
, FALSE
));
1711 if (-dx
> x_offset_in_pixels
)
1712 dx
= -x_offset_in_pixels
;
1713 if (dx
> es
->text_width
- x_offset_in_pixels
)
1714 dx
= es
->text_width
- x_offset_in_pixels
;
1715 nyoff
= max(0, es
->y_offset
+ dy
);
1716 if (nyoff
>= es
->line_count
- lines_per_page
)
1717 nyoff
= max(0, es
->line_count
- lines_per_page
);
1718 dy
= (es
->y_offset
- nyoff
) * es
->line_height
;
1723 es
->y_offset
= nyoff
;
1724 if(es
->style
& ES_MULTILINE
)
1727 es
->x_offset
+= dx
/ es
->char_width
;
1729 GetClientRect(es
->hwndSelf
, &rc1
);
1730 IntersectRect(&rc
, &rc1
, &es
->format_rect
);
1731 ScrollWindowEx(es
->hwndSelf
, -dx
, dy
,
1732 NULL
, &rc
, NULL
, NULL
, SW_INVALIDATE
);
1733 /* force scroll info update */
1734 EDIT_UpdateScrollInfo(es
);
1736 if (dx
&& !(es
->flags
& EF_HSCROLL_TRACK
))
1737 EDIT_NOTIFY_PARENT(es
, EN_HSCROLL
);
1738 if (dy
&& !(es
->flags
& EF_VSCROLL_TRACK
))
1739 EDIT_NOTIFY_PARENT(es
, EN_VSCROLL
);
1743 /*********************************************************************
1747 * NOTE: dx is in average character widths, dy - in lines;
1750 static BOOL
EDIT_EM_LineScroll(EDITSTATE
*es
, INT dx
, INT dy
)
1752 if (!(es
->style
& ES_MULTILINE
))
1755 dx
*= es
->char_width
;
1756 return EDIT_EM_LineScroll_internal(es
, dx
, dy
);
1760 /*********************************************************************
1765 static LRESULT
EDIT_EM_Scroll(EDITSTATE
*es
, INT action
)
1769 if (!(es
->style
& ES_MULTILINE
))
1770 return (LRESULT
)FALSE
;
1780 if (es
->y_offset
< es
->line_count
- 1)
1785 dy
= -(es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
1788 if (es
->y_offset
< es
->line_count
- 1)
1789 dy
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
1792 return (LRESULT
)FALSE
;
1795 INT vlc
= get_vertical_line_count(es
);
1796 /* check if we are going to move too far */
1797 if(es
->y_offset
+ dy
> es
->line_count
- vlc
)
1798 dy
= max(es
->line_count
- vlc
, 0) - es
->y_offset
;
1800 /* Notification is done in EDIT_EM_LineScroll */
1802 EDIT_EM_LineScroll(es
, 0, dy
);
1803 return MAKELONG(dy
, TRUE
);
1807 return (LRESULT
)FALSE
;
1811 /*********************************************************************
1816 static void EDIT_SetCaretPos(EDITSTATE
*es
, INT pos
,
1819 LRESULT res
= EDIT_EM_PosFromChar(es
, pos
, after_wrap
);
1820 TRACE("%d - %dx%d\n", pos
, (short)LOWORD(res
), (short)HIWORD(res
));
1821 SetCaretPos((short)LOWORD(res
), (short)HIWORD(res
));
1825 /*********************************************************************
1830 static void EDIT_EM_ScrollCaret(EDITSTATE
*es
)
1832 if (es
->style
& ES_MULTILINE
) {
1836 INT cw
= es
->char_width
;
1841 l
= EDIT_EM_LineFromChar(es
, es
->selection_end
);
1842 x
= (short)LOWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
));
1843 vlc
= get_vertical_line_count(es
);
1844 if (l
>= es
->y_offset
+ vlc
)
1845 dy
= l
- vlc
+ 1 - es
->y_offset
;
1846 if (l
< es
->y_offset
)
1847 dy
= l
- es
->y_offset
;
1848 ww
= es
->format_rect
.right
- es
->format_rect
.left
;
1849 if (x
< es
->format_rect
.left
)
1850 dx
= x
- es
->format_rect
.left
- ww
/ HSCROLL_FRACTION
/ cw
* cw
;
1851 if (x
> es
->format_rect
.right
)
1852 dx
= x
- es
->format_rect
.left
- (HSCROLL_FRACTION
- 1) * ww
/ HSCROLL_FRACTION
/ cw
* cw
;
1853 if (dy
|| dx
|| (es
->y_offset
&& (es
->line_count
- es
->y_offset
< vlc
)))
1855 /* check if we are going to move too far */
1856 if(es
->x_offset
+ dx
+ ww
> es
->text_width
)
1857 dx
= es
->text_width
- ww
- es
->x_offset
;
1858 if(dx
|| dy
|| (es
->y_offset
&& (es
->line_count
- es
->y_offset
< vlc
)))
1859 EDIT_EM_LineScroll_internal(es
, dx
, dy
);
1866 x
= (short)LOWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, FALSE
));
1867 format_width
= es
->format_rect
.right
- es
->format_rect
.left
;
1868 if (x
< es
->format_rect
.left
) {
1869 goal
= es
->format_rect
.left
+ format_width
/ HSCROLL_FRACTION
;
1872 x
= (short)LOWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, FALSE
));
1873 } while ((x
< goal
) && es
->x_offset
);
1874 /* FIXME: use ScrollWindow() somehow to improve performance */
1875 EDIT_UpdateText(es
, NULL
, TRUE
);
1876 } else if (x
> es
->format_rect
.right
) {
1878 INT len
= get_text_length(es
);
1879 goal
= es
->format_rect
.right
- format_width
/ HSCROLL_FRACTION
;
1882 x
= (short)LOWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, FALSE
));
1883 x_last
= (short)LOWORD(EDIT_EM_PosFromChar(es
, len
, FALSE
));
1884 } while ((x
> goal
) && (x_last
> es
->format_rect
.right
));
1885 /* FIXME: use ScrollWindow() somehow to improve performance */
1886 EDIT_UpdateText(es
, NULL
, TRUE
);
1890 if(es
->flags
& EF_FOCUSED
)
1891 EDIT_SetCaretPos(es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
);
1895 /*********************************************************************
1900 static void EDIT_MoveBackward(EDITSTATE
*es
, BOOL extend
)
1902 INT e
= es
->selection_end
;
1906 if ((es
->style
& ES_MULTILINE
) && e
&&
1907 (es
->text
[e
- 1] == '\r') && (es
->text
[e
] == '\n')) {
1909 if (e
&& (es
->text
[e
- 1] == '\r'))
1913 EDIT_EM_SetSel(es
, extend
? es
->selection_start
: e
, e
, FALSE
);
1914 EDIT_EM_ScrollCaret(es
);
1918 /*********************************************************************
1922 * Only for multi line controls
1923 * Move the caret one line down, on a column with the nearest
1924 * x coordinate on the screen (might be a different column).
1927 static void EDIT_MoveDown_ML(EDITSTATE
*es
, BOOL extend
)
1929 INT s
= es
->selection_start
;
1930 INT e
= es
->selection_end
;
1931 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
1932 LRESULT pos
= EDIT_EM_PosFromChar(es
, e
, after_wrap
);
1933 INT x
= (short)LOWORD(pos
);
1934 INT y
= (short)HIWORD(pos
);
1936 e
= EDIT_CharFromPos(es
, x
, y
+ es
->line_height
, &after_wrap
);
1939 EDIT_EM_SetSel(es
, s
, e
, after_wrap
);
1940 EDIT_EM_ScrollCaret(es
);
1944 /*********************************************************************
1949 static void EDIT_MoveEnd(EDITSTATE
*es
, BOOL extend
, BOOL ctrl
)
1951 BOOL after_wrap
= FALSE
;
1954 /* Pass a high value in x to make sure of receiving the end of the line */
1955 if (!ctrl
&& (es
->style
& ES_MULTILINE
))
1956 e
= EDIT_CharFromPos(es
, 0x3fffffff,
1957 HIWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
)), &after_wrap
);
1959 e
= get_text_length(es
);
1960 EDIT_EM_SetSel(es
, extend
? es
->selection_start
: e
, e
, after_wrap
);
1961 EDIT_EM_ScrollCaret(es
);
1965 /*********************************************************************
1970 static void EDIT_MoveForward(EDITSTATE
*es
, BOOL extend
)
1972 INT e
= es
->selection_end
;
1976 if ((es
->style
& ES_MULTILINE
) && (es
->text
[e
- 1] == '\r')) {
1977 if (es
->text
[e
] == '\n')
1979 else if ((es
->text
[e
] == '\r') && (es
->text
[e
+ 1] == '\n'))
1983 EDIT_EM_SetSel(es
, extend
? es
->selection_start
: e
, e
, FALSE
);
1984 EDIT_EM_ScrollCaret(es
);
1988 /*********************************************************************
1992 * Home key: move to beginning of line.
1995 static void EDIT_MoveHome(EDITSTATE
*es
, BOOL extend
, BOOL ctrl
)
1999 /* Pass the x_offset in x to make sure of receiving the first position of the line */
2000 if (!ctrl
&& (es
->style
& ES_MULTILINE
))
2001 e
= EDIT_CharFromPos(es
, -es
->x_offset
,
2002 HIWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
)), NULL
);
2005 EDIT_EM_SetSel(es
, extend
? es
->selection_start
: e
, e
, FALSE
);
2006 EDIT_EM_ScrollCaret(es
);
2010 /*********************************************************************
2012 * EDIT_MovePageDown_ML
2014 * Only for multi line controls
2015 * Move the caret one page down, on a column with the nearest
2016 * x coordinate on the screen (might be a different column).
2019 static void EDIT_MovePageDown_ML(EDITSTATE
*es
, BOOL extend
)
2021 INT s
= es
->selection_start
;
2022 INT e
= es
->selection_end
;
2023 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
2024 LRESULT pos
= EDIT_EM_PosFromChar(es
, e
, after_wrap
);
2025 INT x
= (short)LOWORD(pos
);
2026 INT y
= (short)HIWORD(pos
);
2028 e
= EDIT_CharFromPos(es
, x
,
2029 y
+ (es
->format_rect
.bottom
- es
->format_rect
.top
),
2033 EDIT_EM_SetSel(es
, s
, e
, after_wrap
);
2034 EDIT_EM_ScrollCaret(es
);
2038 /*********************************************************************
2040 * EDIT_MovePageUp_ML
2042 * Only for multi line controls
2043 * Move the caret one page up, on a column with the nearest
2044 * x coordinate on the screen (might be a different column).
2047 static void EDIT_MovePageUp_ML(EDITSTATE
*es
, BOOL extend
)
2049 INT s
= es
->selection_start
;
2050 INT e
= es
->selection_end
;
2051 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
2052 LRESULT pos
= EDIT_EM_PosFromChar(es
, e
, after_wrap
);
2053 INT x
= (short)LOWORD(pos
);
2054 INT y
= (short)HIWORD(pos
);
2056 e
= EDIT_CharFromPos(es
, x
,
2057 y
- (es
->format_rect
.bottom
- es
->format_rect
.top
),
2061 EDIT_EM_SetSel(es
, s
, e
, after_wrap
);
2062 EDIT_EM_ScrollCaret(es
);
2066 /*********************************************************************
2070 * Only for multi line controls
2071 * Move the caret one line up, on a column with the nearest
2072 * x coordinate on the screen (might be a different column).
2075 static void EDIT_MoveUp_ML(EDITSTATE
*es
, BOOL extend
)
2077 INT s
= es
->selection_start
;
2078 INT e
= es
->selection_end
;
2079 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
2080 LRESULT pos
= EDIT_EM_PosFromChar(es
, e
, after_wrap
);
2081 INT x
= (short)LOWORD(pos
);
2082 INT y
= (short)HIWORD(pos
);
2084 e
= EDIT_CharFromPos(es
, x
, y
- es
->line_height
, &after_wrap
);
2087 EDIT_EM_SetSel(es
, s
, e
, after_wrap
);
2088 EDIT_EM_ScrollCaret(es
);
2092 /*********************************************************************
2094 * EDIT_MoveWordBackward
2097 static void EDIT_MoveWordBackward(EDITSTATE
*es
, BOOL extend
)
2099 INT s
= es
->selection_start
;
2100 INT e
= es
->selection_end
;
2105 l
= EDIT_EM_LineFromChar(es
, e
);
2106 ll
= EDIT_EM_LineLength(es
, e
);
2107 li
= EDIT_EM_LineIndex(es
, l
);
2110 li
= EDIT_EM_LineIndex(es
, l
- 1);
2111 e
= li
+ EDIT_EM_LineLength(es
, li
);
2114 e
= li
+ EDIT_CallWordBreakProc(es
, li
, e
- li
, ll
, WB_LEFT
);
2118 EDIT_EM_SetSel(es
, s
, e
, FALSE
);
2119 EDIT_EM_ScrollCaret(es
);
2123 /*********************************************************************
2125 * EDIT_MoveWordForward
2128 static void EDIT_MoveWordForward(EDITSTATE
*es
, BOOL extend
)
2130 INT s
= es
->selection_start
;
2131 INT e
= es
->selection_end
;
2136 l
= EDIT_EM_LineFromChar(es
, e
);
2137 ll
= EDIT_EM_LineLength(es
, e
);
2138 li
= EDIT_EM_LineIndex(es
, l
);
2140 if ((es
->style
& ES_MULTILINE
) && (l
!= es
->line_count
- 1))
2141 e
= EDIT_EM_LineIndex(es
, l
+ 1);
2143 e
= li
+ EDIT_CallWordBreakProc(es
,
2144 li
, e
- li
+ 1, ll
, WB_RIGHT
);
2148 EDIT_EM_SetSel(es
, s
, e
, FALSE
);
2149 EDIT_EM_ScrollCaret(es
);
2153 /*********************************************************************
2158 static INT
EDIT_PaintText(EDITSTATE
*es
, HDC dc
, INT x
, INT y
, INT line
, INT col
, INT count
, BOOL rev
)
2162 LOGFONTW underline_font
;
2163 HFONT hUnderline
= 0;
2172 BkMode
= GetBkMode(dc
);
2173 BkColor
= GetBkColor(dc
);
2174 TextColor
= GetTextColor(dc
);
2176 if (es
->composition_len
== 0)
2178 SetBkColor(dc
, GetSysColor(COLOR_HIGHLIGHT
));
2179 SetTextColor(dc
, GetSysColor(COLOR_HIGHLIGHTTEXT
));
2180 SetBkMode( dc
, OPAQUE
);
2184 HFONT current
= GetCurrentObject(dc
,OBJ_FONT
);
2185 GetObjectW(current
,sizeof(LOGFONTW
),&underline_font
);
2186 underline_font
.lfUnderline
= TRUE
;
2187 hUnderline
= CreateFontIndirectW(&underline_font
);
2188 old_font
= SelectObject(dc
,hUnderline
);
2191 li
= EDIT_EM_LineIndex(es
, line
);
2192 if (es
->style
& ES_MULTILINE
) {
2193 ret
= (INT
)LOWORD(TabbedTextOutW(dc
, x
, y
, es
->text
+ li
+ col
, count
,
2194 es
->tabs_count
, es
->tabs
, es
->format_rect
.left
- es
->x_offset
));
2196 TextOutW(dc
, x
, y
, es
->text
+ li
+ col
, count
);
2197 GetTextExtentPoint32W(dc
, es
->text
+ li
+ col
, count
, &size
);
2201 if (es
->composition_len
== 0)
2203 SetBkColor(dc
, BkColor
);
2204 SetTextColor(dc
, TextColor
);
2205 SetBkMode( dc
, BkMode
);
2210 SelectObject(dc
,old_font
);
2212 DeleteObject(hUnderline
);
2219 /*********************************************************************
2224 static void EDIT_PaintLine(EDITSTATE
*es
, HDC dc
, INT line
, BOOL rev
)
2233 SCRIPT_STRING_ANALYSIS ssa
;
2235 if (es
->style
& ES_MULTILINE
) {
2236 INT vlc
= get_vertical_line_count(es
);
2238 if ((line
< es
->y_offset
) || (line
> es
->y_offset
+ vlc
) || (line
>= es
->line_count
))
2243 TRACE("line=%d\n", line
);
2245 ssa
= EDIT_UpdateUniscribeData(es
, dc
, line
);
2246 pos
= EDIT_EM_PosFromChar(es
, EDIT_EM_LineIndex(es
, line
), FALSE
);
2247 x
= (short)LOWORD(pos
);
2248 y
= (short)HIWORD(pos
);
2250 if (es
->style
& ES_MULTILINE
)
2252 int line_idx
= line
;
2254 if (es
->style
& ES_RIGHT
|| es
->style
& ES_CENTER
)
2256 LINEDEF
*line_def
= es
->first_line_def
;
2259 while (line_def
&& line_idx
)
2261 line_def
= line_def
->next
;
2264 w
= es
->format_rect
.right
- es
->format_rect
.left
;
2265 lw
= line_def
->width
;
2267 if (es
->style
& ES_RIGHT
)
2269 else if (es
->style
& ES_CENTER
)
2272 x
+= es
->format_rect
.left
;
2277 li
= EDIT_EM_LineIndex(es
, line
);
2278 ll
= EDIT_EM_LineLength(es
, li
);
2279 s
= min(es
->selection_start
, es
->selection_end
);
2280 e
= max(es
->selection_start
, es
->selection_end
);
2281 s
= min(li
+ ll
, max(li
, s
));
2282 e
= min(li
+ ll
, max(li
, e
));
2286 ScriptStringOut(ssa
, x
, y
, 0, &es
->format_rect
, s
- li
, e
- li
, FALSE
);
2287 else if (rev
&& (s
!= e
) &&
2288 ((es
->flags
& EF_FOCUSED
) || (es
->style
& ES_NOHIDESEL
))) {
2289 x
+= EDIT_PaintText(es
, dc
, x
, y
, line
, 0, s
- li
, FALSE
);
2290 x
+= EDIT_PaintText(es
, dc
, x
, y
, line
, s
- li
, e
- s
, TRUE
);
2291 x
+= EDIT_PaintText(es
, dc
, x
, y
, line
, e
- li
, li
+ ll
- e
, FALSE
);
2293 x
+= EDIT_PaintText(es
, dc
, x
, y
, line
, 0, ll
, FALSE
);
2297 /*********************************************************************
2299 * EDIT_AdjustFormatRect
2301 * Adjusts the format rectangle for the current font and the
2302 * current client rectangle.
2305 static void EDIT_AdjustFormatRect(EDITSTATE
*es
)
2309 es
->format_rect
.right
= max(es
->format_rect
.right
, es
->format_rect
.left
+ es
->char_width
);
2310 if (es
->style
& ES_MULTILINE
)
2312 INT fw
, vlc
, max_x_offset
, max_y_offset
;
2314 vlc
= get_vertical_line_count(es
);
2315 es
->format_rect
.bottom
= es
->format_rect
.top
+ vlc
* es
->line_height
;
2317 /* correct es->x_offset */
2318 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
2319 max_x_offset
= es
->text_width
- fw
;
2320 if(max_x_offset
< 0) max_x_offset
= 0;
2321 if(es
->x_offset
> max_x_offset
)
2322 es
->x_offset
= max_x_offset
;
2324 /* correct es->y_offset */
2325 max_y_offset
= es
->line_count
- vlc
;
2326 if(max_y_offset
< 0) max_y_offset
= 0;
2327 if(es
->y_offset
> max_y_offset
)
2328 es
->y_offset
= max_y_offset
;
2330 /* force scroll info update */
2331 EDIT_UpdateScrollInfo(es
);
2334 /* Windows doesn't care to fix text placement for SL controls */
2335 es
->format_rect
.bottom
= es
->format_rect
.top
+ es
->line_height
;
2337 /* Always stay within the client area */
2338 GetClientRect(es
->hwndSelf
, &ClientRect
);
2339 es
->format_rect
.bottom
= min(es
->format_rect
.bottom
, ClientRect
.bottom
);
2341 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_AUTOHSCROLL
))
2342 EDIT_BuildLineDefs_ML(es
, 0, get_text_length(es
), 0, NULL
);
2344 EDIT_SetCaretPos(es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
);
2348 /*********************************************************************
2352 * note: this is not (exactly) the handler called on EM_SETRECTNP
2353 * it is also used to set the rect of a single line control
2356 static void EDIT_SetRectNP(EDITSTATE
*es
, const RECT
*rc
)
2360 ExStyle
= GetWindowLongPtrW(es
->hwndSelf
, GWL_EXSTYLE
);
2362 CopyRect(&es
->format_rect
, rc
);
2364 if (ExStyle
& WS_EX_CLIENTEDGE
) {
2365 es
->format_rect
.left
++;
2366 es
->format_rect
.right
--;
2368 if (es
->format_rect
.bottom
- es
->format_rect
.top
2369 >= es
->line_height
+ 2)
2371 es
->format_rect
.top
++;
2372 es
->format_rect
.bottom
--;
2375 else if (es
->style
& WS_BORDER
) {
2376 bw
= GetSystemMetrics(SM_CXBORDER
) + 1;
2377 bh
= GetSystemMetrics(SM_CYBORDER
) + 1;
2378 InflateRect(&es
->format_rect
, -bw
, 0);
2379 if (es
->format_rect
.bottom
- es
->format_rect
.top
>= es
->line_height
+ 2 * bh
)
2380 InflateRect(&es
->format_rect
, 0, -bh
);
2383 es
->format_rect
.left
+= es
->left_margin
;
2384 es
->format_rect
.right
-= es
->right_margin
;
2385 EDIT_AdjustFormatRect(es
);
2389 /*********************************************************************
2393 * returns line number (not index) in high-order word of result.
2394 * NB : Q137805 is unclear about this. POINT * pointer in lParam apply
2395 * to Richedit, not to the edit control. Original documentation is valid.
2396 * FIXME: do the specs mean to return -1 if outside client area or
2397 * if outside formatting rectangle ???
2400 static LRESULT
EDIT_EM_CharFromPos(EDITSTATE
*es
, INT x
, INT y
)
2408 GetClientRect(es
->hwndSelf
, &rc
);
2409 if (!PtInRect(&rc
, pt
))
2412 index
= EDIT_CharFromPos(es
, x
, y
, NULL
);
2413 return MAKELONG(index
, EDIT_EM_LineFromChar(es
, index
));
2417 /*********************************************************************
2421 * Enable or disable soft breaks.
2423 * This means: insert or remove the soft linebreak character (\r\r\n).
2424 * Take care to check if the text still fits the buffer after insertion.
2425 * If not, notify with EN_ERRSPACE.
2428 static BOOL
EDIT_EM_FmtLines(EDITSTATE
*es
, BOOL add_eol
)
2430 es
->flags
&= ~EF_USE_SOFTBRK
;
2432 es
->flags
|= EF_USE_SOFTBRK
;
2433 FIXME("soft break enabled, not implemented\n");
2439 /*********************************************************************
2443 * Hopefully this won't fire back at us.
2444 * We always start with a fixed buffer in the local heap.
2445 * Despite of the documentation says that the local heap is used
2446 * only if DS_LOCALEDIT flag is set, NT and 2000 always allocate
2447 * buffer on the local heap.
2450 static HLOCAL
EDIT_EM_GetHandle(EDITSTATE
*es
)
2454 if (!(es
->style
& ES_MULTILINE
))
2458 hLocal
= es
->hloc32W
;
2464 UINT countA
, alloc_size
;
2465 TRACE("Allocating 32-bit ANSI alias buffer\n");
2466 countA
= WideCharToMultiByte(CP_ACP
, 0, es
->text
, -1, NULL
, 0, NULL
, NULL
);
2467 alloc_size
= ROUND_TO_GROW(countA
);
2468 if(!(es
->hloc32A
= LocalAlloc(LMEM_MOVEABLE
| LMEM_ZEROINIT
, alloc_size
)))
2470 ERR("Could not allocate %d bytes for 32-bit ANSI alias buffer\n", alloc_size
);
2473 textA
= LocalLock(es
->hloc32A
);
2474 WideCharToMultiByte(CP_ACP
, 0, es
->text
, -1, textA
, countA
, NULL
, NULL
);
2475 LocalUnlock(es
->hloc32A
);
2477 hLocal
= es
->hloc32A
;
2480 EDIT_UnlockBuffer(es
, TRUE
);
2482 /* The text buffer handle belongs to the app */
2483 es
->hlocapp
= hLocal
;
2485 TRACE("Returning %p, LocalSize() = %ld\n", hLocal
, LocalSize(hLocal
));
2490 /*********************************************************************
2495 static INT
EDIT_EM_GetLine(EDITSTATE
*es
, INT line
, LPWSTR dst
, BOOL unicode
)
2498 INT line_len
, dst_len
;
2501 if (es
->style
& ES_MULTILINE
) {
2502 if (line
>= es
->line_count
)
2506 i
= EDIT_EM_LineIndex(es
, line
);
2508 line_len
= EDIT_EM_LineLength(es
, i
);
2509 dst_len
= *(WORD
*)dst
;
2512 if(dst_len
<= line_len
)
2514 memcpy(dst
, src
, dst_len
* sizeof(WCHAR
));
2517 else /* Append 0 if enough space */
2519 memcpy(dst
, src
, line_len
* sizeof(WCHAR
));
2526 INT ret
= WideCharToMultiByte(CP_ACP
, 0, src
, line_len
, (LPSTR
)dst
, dst_len
, NULL
, NULL
);
2527 if(!ret
&& line_len
) /* Insufficient buffer size */
2529 if(ret
< dst_len
) /* Append 0 if enough space */
2530 ((LPSTR
)dst
)[ret
] = 0;
2536 /*********************************************************************
2541 static LRESULT
EDIT_EM_GetSel(const EDITSTATE
*es
, PUINT start
, PUINT end
)
2543 UINT s
= es
->selection_start
;
2544 UINT e
= es
->selection_end
;
2551 return MAKELONG(s
, e
);
2555 /*********************************************************************
2559 * FIXME: handle ES_NUMBER and ES_OEMCONVERT here
2562 static void EDIT_EM_ReplaceSel(EDITSTATE
*es
, BOOL can_undo
, const WCHAR
*lpsz_replace
, UINT strl
,
2563 BOOL send_update
, BOOL honor_limit
)
2565 UINT tl
= get_text_length(es
);
2576 TRACE("%s, can_undo %d, send_update %d\n",
2577 debugstr_w(lpsz_replace
), can_undo
, send_update
);
2579 s
= es
->selection_start
;
2580 e
= es
->selection_end
;
2582 EDIT_InvalidateUniscribeData(es
);
2583 if ((s
== e
) && !strl
)
2588 size
= tl
- (e
- s
) + strl
;
2592 /* Issue the EN_MAXTEXT notification and continue with replacing text
2593 * so that buffer limit is honored. */
2594 if ((honor_limit
) && (size
> es
->buffer_limit
)) {
2595 EDIT_NOTIFY_PARENT(es
, EN_MAXTEXT
);
2596 /* Buffer limit can be smaller than the actual length of text in combobox */
2597 if (es
->buffer_limit
< (tl
- (e
-s
)))
2600 strl
= min(strl
, es
->buffer_limit
- (tl
- (e
-s
)));
2603 if (!EDIT_MakeFit(es
, tl
- (e
- s
) + strl
))
2607 /* there is something to be deleted */
2608 TRACE("deleting stuff.\n");
2610 buf
= HeapAlloc(GetProcessHeap(), 0, (bufl
+ 1) * sizeof(WCHAR
));
2612 memcpy(buf
, es
->text
+ s
, bufl
* sizeof(WCHAR
));
2613 buf
[bufl
] = 0; /* ensure 0 termination */
2615 strcpyW(es
->text
+ s
, es
->text
+ e
);
2616 text_buffer_changed(es
);
2619 /* there is an insertion */
2620 tl
= get_text_length(es
);
2621 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
));
2622 for (p
= es
->text
+ tl
; p
>= es
->text
+ s
; p
--)
2624 for (i
= 0 , p
= es
->text
+ s
; i
< strl
; i
++)
2625 p
[i
] = lpsz_replace
[i
];
2626 if(es
->style
& ES_UPPERCASE
)
2627 CharUpperBuffW(p
, strl
);
2628 else if(es
->style
& ES_LOWERCASE
)
2629 CharLowerBuffW(p
, strl
);
2630 text_buffer_changed(es
);
2632 if (es
->style
& ES_MULTILINE
)
2634 INT st
= min(es
->selection_start
, es
->selection_end
);
2635 INT vlc
= get_vertical_line_count(es
);
2637 hrgn
= CreateRectRgn(0, 0, 0, 0);
2638 EDIT_BuildLineDefs_ML(es
, st
, st
+ strl
,
2639 strl
- abs(es
->selection_end
- es
->selection_start
), hrgn
);
2640 /* if text is too long undo all changes */
2641 if (honor_limit
&& !(es
->style
& ES_AUTOVSCROLL
) && (es
->line_count
> vlc
)) {
2643 strcpyW(es
->text
+ e
, es
->text
+ e
+ strl
);
2645 for (i
= 0 , p
= es
->text
; i
< e
- s
; i
++)
2647 text_buffer_changed(es
);
2648 EDIT_BuildLineDefs_ML(es
, s
, e
,
2649 abs(es
->selection_end
- es
->selection_start
) - strl
, hrgn
);
2652 hrgn
= CreateRectRgn(0, 0, 0, 0);
2653 EDIT_NOTIFY_PARENT(es
, EN_MAXTEXT
);
2657 INT fw
= es
->format_rect
.right
- es
->format_rect
.left
;
2658 EDIT_InvalidateUniscribeData(es
);
2659 EDIT_CalcLineWidth_SL(es
);
2660 /* remove chars that don't fit */
2661 if (honor_limit
&& !(es
->style
& ES_AUTOHSCROLL
) && (es
->text_width
> fw
)) {
2662 while ((es
->text_width
> fw
) && s
+ strl
>= s
) {
2663 strcpyW(es
->text
+ s
+ strl
- 1, es
->text
+ s
+ strl
);
2665 es
->text_length
= -1;
2666 EDIT_InvalidateUniscribeData(es
);
2667 EDIT_CalcLineWidth_SL(es
);
2669 text_buffer_changed(es
);
2670 EDIT_NOTIFY_PARENT(es
, EN_MAXTEXT
);
2676 utl
= strlenW(es
->undo_text
);
2677 if (!es
->undo_insert_count
&& (*es
->undo_text
&& (s
== es
->undo_position
))) {
2678 /* undo-buffer is extended to the right */
2679 EDIT_MakeUndoFit(es
, utl
+ e
- s
);
2680 memcpy(es
->undo_text
+ utl
, buf
, (e
- s
)*sizeof(WCHAR
));
2681 (es
->undo_text
+ utl
)[e
- s
] = 0; /* ensure 0 termination */
2682 } else if (!es
->undo_insert_count
&& (*es
->undo_text
&& (e
== es
->undo_position
))) {
2683 /* undo-buffer is extended to the left */
2684 EDIT_MakeUndoFit(es
, utl
+ e
- s
);
2685 for (p
= es
->undo_text
+ utl
; p
>= es
->undo_text
; p
--)
2687 for (i
= 0 , p
= es
->undo_text
; i
< e
- s
; i
++)
2689 es
->undo_position
= s
;
2691 /* new undo-buffer */
2692 EDIT_MakeUndoFit(es
, e
- s
);
2693 memcpy(es
->undo_text
, buf
, (e
- s
)*sizeof(WCHAR
));
2694 es
->undo_text
[e
- s
] = 0; /* ensure 0 termination */
2695 es
->undo_position
= s
;
2697 /* any deletion makes the old insertion-undo invalid */
2698 es
->undo_insert_count
= 0;
2700 EDIT_EM_EmptyUndoBuffer(es
);
2704 if ((s
== es
->undo_position
) ||
2705 ((es
->undo_insert_count
) &&
2706 (s
== es
->undo_position
+ es
->undo_insert_count
)))
2708 * insertion is new and at delete position or
2709 * an extension to either left or right
2711 es
->undo_insert_count
+= strl
;
2713 /* new insertion undo */
2714 es
->undo_position
= s
;
2715 es
->undo_insert_count
= strl
;
2716 /* new insertion makes old delete-buffer invalid */
2717 *es
->undo_text
= '\0';
2720 EDIT_EM_EmptyUndoBuffer(es
);
2723 HeapFree(GetProcessHeap(), 0, buf
);
2727 /* If text has been deleted and we're right or center aligned then scroll rightward */
2728 if (es
->style
& (ES_RIGHT
| ES_CENTER
))
2730 INT delta
= strl
- abs(es
->selection_end
- es
->selection_start
);
2732 if (delta
< 0 && es
->x_offset
)
2734 if (abs(delta
) > es
->x_offset
)
2737 es
->x_offset
+= delta
;
2741 EDIT_EM_SetSel(es
, s
, s
, FALSE
);
2742 es
->flags
|= EF_MODIFIED
;
2743 if (send_update
) es
->flags
|= EF_UPDATE
;
2746 EDIT_UpdateTextRegion(es
, hrgn
, TRUE
);
2750 EDIT_UpdateText(es
, NULL
, TRUE
);
2752 EDIT_EM_ScrollCaret(es
);
2754 /* force scroll info update */
2755 EDIT_UpdateScrollInfo(es
);
2758 if(send_update
|| (es
->flags
& EF_UPDATE
))
2760 es
->flags
&= ~EF_UPDATE
;
2761 EDIT_NOTIFY_PARENT(es
, EN_CHANGE
);
2763 EDIT_InvalidateUniscribeData(es
);
2767 /*********************************************************************
2771 * FIXME: ES_LOWERCASE, ES_UPPERCASE, ES_OEMCONVERT, ES_NUMBER ???
2774 static void EDIT_EM_SetHandle(EDITSTATE
*es
, HLOCAL hloc
)
2776 if (!(es
->style
& ES_MULTILINE
))
2780 WARN("called with NULL handle\n");
2784 EDIT_UnlockBuffer(es
, TRUE
);
2790 LocalFree(es
->hloc32A
);
2802 countA
= LocalSize(hloc
);
2803 textA
= LocalLock(hloc
);
2804 countW
= MultiByteToWideChar(CP_ACP
, 0, textA
, countA
, NULL
, 0);
2805 if(!(hloc32W_new
= LocalAlloc(LMEM_MOVEABLE
| LMEM_ZEROINIT
, countW
* sizeof(WCHAR
))))
2807 ERR("Could not allocate new unicode buffer\n");
2810 textW
= LocalLock(hloc32W_new
);
2811 MultiByteToWideChar(CP_ACP
, 0, textA
, countA
, textW
, countW
);
2812 LocalUnlock(hloc32W_new
);
2816 LocalFree(es
->hloc32W
);
2818 es
->hloc32W
= hloc32W_new
;
2822 es
->buffer_size
= LocalSize(es
->hloc32W
)/sizeof(WCHAR
) - 1;
2824 /* The text buffer handle belongs to the control */
2827 EDIT_LockBuffer(es
);
2828 text_buffer_changed(es
);
2830 es
->x_offset
= es
->y_offset
= 0;
2831 es
->selection_start
= es
->selection_end
= 0;
2832 EDIT_EM_EmptyUndoBuffer(es
);
2833 es
->flags
&= ~EF_MODIFIED
;
2834 es
->flags
&= ~EF_UPDATE
;
2835 EDIT_BuildLineDefs_ML(es
, 0, get_text_length(es
), 0, NULL
);
2836 EDIT_UpdateText(es
, NULL
, TRUE
);
2837 EDIT_EM_ScrollCaret(es
);
2838 /* force scroll info update */
2839 EDIT_UpdateScrollInfo(es
);
2843 /*********************************************************************
2847 * NOTE: this version currently implements WinNT limits
2850 static void EDIT_EM_SetLimitText(EDITSTATE
*es
, UINT limit
)
2852 if (!limit
) limit
= ~0u;
2853 if (!(es
->style
& ES_MULTILINE
)) limit
= min(limit
, 0x7ffffffe);
2854 es
->buffer_limit
= limit
;
2858 /*********************************************************************
2862 * EC_USEFONTINFO is used as a left or right value i.e. lParam and not as an
2863 * action wParam despite what the docs say. EC_USEFONTINFO calculates the
2864 * margin according to the textmetrics of the current font.
2866 * When EC_USEFONTINFO is used in the non_cjk case the margins only
2867 * change if the edit control is equal to or larger than a certain
2868 * size. Though there is an exception for the empty client rect case
2869 * with small font sizes.
2871 static BOOL
is_cjk(UINT charset
)
2875 case SHIFTJIS_CHARSET
:
2876 case HANGUL_CHARSET
:
2877 case GB2312_CHARSET
:
2878 case CHINESEBIG5_CHARSET
:
2881 /* HANGUL_CHARSET is strange, though treated as CJK by Win 8, it is
2882 * not by other versions including Win 10. */
2886 static void EDIT_EM_SetMargins(EDITSTATE
*es
, INT action
,
2887 WORD left
, WORD right
, BOOL repaint
)
2890 INT default_left_margin
= 0; /* in pixels */
2891 INT default_right_margin
= 0; /* in pixels */
2893 /* Set the default margins depending on the font */
2894 if (es
->font
&& (left
== EC_USEFONTINFO
|| right
== EC_USEFONTINFO
)) {
2895 HDC dc
= GetDC(es
->hwndSelf
);
2896 HFONT old_font
= SelectObject(dc
, es
->font
);
2897 LONG width
= GdiGetCharDimensions(dc
, &tm
, NULL
);
2900 /* The default margins are only non zero for TrueType or Vector fonts */
2901 if (tm
.tmPitchAndFamily
& ( TMPF_VECTOR
| TMPF_TRUETYPE
)) {
2902 if (!is_cjk(tm
.tmCharSet
)) {
2903 default_left_margin
= width
/ 2;
2904 default_right_margin
= width
/ 2;
2906 GetClientRect(es
->hwndSelf
, &rc
);
2907 if (rc
.right
- rc
.left
< (width
/ 2 + width
) * 2 &&
2908 (width
>= 28 || !IsRectEmpty(&rc
)) ) {
2909 default_left_margin
= es
->left_margin
;
2910 default_right_margin
= es
->right_margin
;
2913 /* FIXME: figure out the CJK values. They are not affected by the client rect. */
2914 default_left_margin
= width
/ 2;
2915 default_right_margin
= width
/ 2;
2918 SelectObject(dc
, old_font
);
2919 ReleaseDC(es
->hwndSelf
, dc
);
2922 if (action
& EC_LEFTMARGIN
) {
2923 es
->format_rect
.left
-= es
->left_margin
;
2924 if (left
!= EC_USEFONTINFO
)
2925 es
->left_margin
= left
;
2927 es
->left_margin
= default_left_margin
;
2928 es
->format_rect
.left
+= es
->left_margin
;
2931 if (action
& EC_RIGHTMARGIN
) {
2932 es
->format_rect
.right
+= es
->right_margin
;
2933 if (right
!= EC_USEFONTINFO
)
2934 es
->right_margin
= right
;
2936 es
->right_margin
= default_right_margin
;
2937 es
->format_rect
.right
-= es
->right_margin
;
2940 if (action
& (EC_LEFTMARGIN
| EC_RIGHTMARGIN
)) {
2941 EDIT_AdjustFormatRect(es
);
2942 if (repaint
) EDIT_UpdateText(es
, NULL
, TRUE
);
2945 TRACE("left=%d, right=%d\n", es
->left_margin
, es
->right_margin
);
2949 /*********************************************************************
2951 * EM_SETPASSWORDCHAR
2954 static void EDIT_EM_SetPasswordChar(EDITSTATE
*es
, WCHAR c
)
2958 if (es
->style
& ES_MULTILINE
)
2961 if (es
->password_char
== c
)
2964 style
= GetWindowLongW( es
->hwndSelf
, GWL_STYLE
);
2965 es
->password_char
= c
;
2967 SetWindowLongW( es
->hwndSelf
, GWL_STYLE
, style
| ES_PASSWORD
);
2968 es
->style
|= ES_PASSWORD
;
2970 SetWindowLongW( es
->hwndSelf
, GWL_STYLE
, style
& ~ES_PASSWORD
);
2971 es
->style
&= ~ES_PASSWORD
;
2973 EDIT_InvalidateUniscribeData(es
);
2974 EDIT_UpdateText(es
, NULL
, TRUE
);
2978 /*********************************************************************
2983 static BOOL
EDIT_EM_SetTabStops(EDITSTATE
*es
, INT count
, const INT
*tabs
)
2985 if (!(es
->style
& ES_MULTILINE
))
2987 HeapFree(GetProcessHeap(), 0, es
->tabs
);
2988 es
->tabs_count
= count
;
2992 es
->tabs
= HeapAlloc(GetProcessHeap(), 0, count
* sizeof(INT
));
2993 memcpy(es
->tabs
, tabs
, count
* sizeof(INT
));
2995 EDIT_InvalidateUniscribeData(es
);
3000 /*********************************************************************
3002 * EM_SETWORDBREAKPROC
3005 static void EDIT_EM_SetWordBreakProc(EDITSTATE
*es
, void *wbp
)
3007 if (es
->word_break_proc
== wbp
)
3010 es
->word_break_proc
= wbp
;
3012 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_AUTOHSCROLL
)) {
3013 EDIT_BuildLineDefs_ML(es
, 0, get_text_length(es
), 0, NULL
);
3014 EDIT_UpdateText(es
, NULL
, TRUE
);
3019 /*********************************************************************
3024 static BOOL
EDIT_EM_Undo(EDITSTATE
*es
)
3029 /* As per MSDN spec, for a single-line edit control,
3030 the return value is always TRUE */
3031 if( es
->style
& ES_READONLY
)
3032 return !(es
->style
& ES_MULTILINE
);
3034 ulength
= strlenW(es
->undo_text
);
3036 utext
= HeapAlloc(GetProcessHeap(), 0, (ulength
+ 1) * sizeof(WCHAR
));
3038 strcpyW(utext
, es
->undo_text
);
3040 TRACE("before UNDO:insertion length = %d, deletion buffer = %s\n",
3041 es
->undo_insert_count
, debugstr_w(utext
));
3043 EDIT_EM_SetSel(es
, es
->undo_position
, es
->undo_position
+ es
->undo_insert_count
, FALSE
);
3044 EDIT_EM_EmptyUndoBuffer(es
);
3045 EDIT_EM_ReplaceSel(es
, TRUE
, utext
, ulength
, TRUE
, TRUE
);
3046 EDIT_EM_SetSel(es
, es
->undo_position
, es
->undo_position
+ es
->undo_insert_count
, FALSE
);
3047 /* send the notification after the selection start and end are set */
3048 EDIT_NOTIFY_PARENT(es
, EN_CHANGE
);
3049 EDIT_EM_ScrollCaret(es
);
3050 HeapFree(GetProcessHeap(), 0, utext
);
3052 TRACE("after UNDO:insertion length = %d, deletion buffer = %s\n",
3053 es
->undo_insert_count
, debugstr_w(es
->undo_text
));
3058 /* Helper function for WM_CHAR
3060 * According to an MSDN blog article titled "Just because you're a control
3061 * doesn't mean that you're necessarily inside a dialog box," multiline edit
3062 * controls without ES_WANTRETURN would attempt to detect whether it is inside
3063 * a dialog box or not.
3065 static inline BOOL
EDIT_IsInsideDialog(EDITSTATE
*es
)
3067 return (es
->flags
& EF_DIALOGMODE
);
3071 /*********************************************************************
3076 static void EDIT_WM_Paste(EDITSTATE
*es
)
3082 /* Protect read-only edit control from modification */
3083 if(es
->style
& ES_READONLY
)
3086 OpenClipboard(es
->hwndSelf
);
3087 if ((hsrc
= GetClipboardData(CF_UNICODETEXT
))) {
3088 src
= GlobalLock(hsrc
);
3090 /* Protect single-line edit against pasting new line character */
3091 if (!(es
->style
& ES_MULTILINE
) && ((ptr
= strchrW(src
, '\n')))) {
3093 if (len
&& src
[len
- 1] == '\r')
3096 EDIT_EM_ReplaceSel(es
, TRUE
, src
, len
, TRUE
, TRUE
);
3099 else if (es
->style
& ES_PASSWORD
) {
3100 /* clear selected text in password edit box even with empty clipboard */
3101 EDIT_EM_ReplaceSel(es
, TRUE
, NULL
, 0, TRUE
, TRUE
);
3107 /*********************************************************************
3112 static void EDIT_WM_Copy(EDITSTATE
*es
)
3114 INT s
= min(es
->selection_start
, es
->selection_end
);
3115 INT e
= max(es
->selection_start
, es
->selection_end
);
3123 hdst
= GlobalAlloc(GMEM_MOVEABLE
| GMEM_DDESHARE
, (len
+ 1) * sizeof(WCHAR
));
3124 dst
= GlobalLock(hdst
);
3125 memcpy(dst
, es
->text
+ s
, len
* sizeof(WCHAR
));
3126 dst
[len
] = 0; /* ensure 0 termination */
3127 TRACE("%s\n", debugstr_w(dst
));
3129 OpenClipboard(es
->hwndSelf
);
3131 SetClipboardData(CF_UNICODETEXT
, hdst
);
3136 /*********************************************************************
3141 static inline void EDIT_WM_Clear(EDITSTATE
*es
)
3143 /* Protect read-only edit control from modification */
3144 if(es
->style
& ES_READONLY
)
3147 EDIT_EM_ReplaceSel(es
, TRUE
, NULL
, 0, TRUE
, TRUE
);
3151 /*********************************************************************
3156 static inline void EDIT_WM_Cut(EDITSTATE
*es
)
3163 /*********************************************************************
3168 static LRESULT
EDIT_WM_Char(EDITSTATE
*es
, WCHAR c
)
3172 control
= GetKeyState(VK_CONTROL
) & 0x8000;
3176 /* If it's not a multiline edit box, it would be ignored below.
3177 * For multiline edit without ES_WANTRETURN, we have to make a
3180 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_WANTRETURN
))
3181 if (EDIT_IsInsideDialog(es
))
3184 if (es
->style
& ES_MULTILINE
) {
3185 if (es
->style
& ES_READONLY
) {
3186 EDIT_MoveHome(es
, FALSE
, FALSE
);
3187 EDIT_MoveDown_ML(es
, FALSE
);
3189 static const WCHAR cr_lfW
[] = {'\r','\n'};
3190 EDIT_EM_ReplaceSel(es
, TRUE
, cr_lfW
, 2, TRUE
, TRUE
);
3195 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_READONLY
))
3197 static const WCHAR tabW
[] = {'\t'};
3198 if (EDIT_IsInsideDialog(es
))
3200 EDIT_EM_ReplaceSel(es
, TRUE
, tabW
, 1, TRUE
, TRUE
);
3204 if (!(es
->style
& ES_READONLY
) && !control
) {
3205 if (es
->selection_start
!= es
->selection_end
)
3208 /* delete character left of caret */
3209 EDIT_EM_SetSel(es
, (UINT
)-1, 0, FALSE
);
3210 EDIT_MoveBackward(es
, TRUE
);
3216 if (!(es
->style
& ES_PASSWORD
))
3217 SendMessageW(es
->hwndSelf
, WM_COPY
, 0, 0);
3220 if (!(es
->style
& ES_READONLY
))
3221 SendMessageW(es
->hwndSelf
, WM_PASTE
, 0, 0);
3224 if (!((es
->style
& ES_READONLY
) || (es
->style
& ES_PASSWORD
)))
3225 SendMessageW(es
->hwndSelf
, WM_CUT
, 0, 0);
3228 if (!(es
->style
& ES_READONLY
))
3229 SendMessageW(es
->hwndSelf
, WM_UNDO
, 0, 0);
3233 /*If Edit control style is ES_NUMBER allow users to key in only numeric values*/
3234 if( (es
->style
& ES_NUMBER
) && !( c
>= '0' && c
<= '9') )
3237 if (!(es
->style
& ES_READONLY
) && (c
>= ' ') && (c
!= 127))
3238 EDIT_EM_ReplaceSel(es
, TRUE
, &c
, 1, TRUE
, TRUE
);
3245 /*********************************************************************
3247 * EDIT_ContextMenuCommand
3250 static void EDIT_ContextMenuCommand(EDITSTATE
*es
, UINT id
)
3254 SendMessageW(es
->hwndSelf
, WM_UNDO
, 0, 0);
3257 SendMessageW(es
->hwndSelf
, WM_CUT
, 0, 0);
3260 SendMessageW(es
->hwndSelf
, WM_COPY
, 0, 0);
3263 SendMessageW(es
->hwndSelf
, WM_PASTE
, 0, 0);
3266 SendMessageW(es
->hwndSelf
, WM_CLEAR
, 0, 0);
3269 SendMessageW(es
->hwndSelf
, EM_SETSEL
, 0, -1);
3272 ERR("unknown menu item, please report\n");
3278 /*********************************************************************
3282 * Note: the resource files resource/sysres_??.rc cannot define a
3283 * single popup menu. Hence we use a (dummy) menubar
3284 * containing the single popup menu as its first item.
3286 * FIXME: the message identifiers have been chosen arbitrarily,
3287 * hence we use MF_BYPOSITION.
3288 * We might as well use the "real" values (anybody knows ?)
3289 * The menu definition is in resources/sysres_??.rc.
3290 * Once these are OK, we better use MF_BYCOMMAND here
3291 * (as we do in EDIT_WM_Command()).
3294 static void EDIT_WM_ContextMenu(EDITSTATE
*es
, INT x
, INT y
)
3296 HMENU menu
= LoadMenuA(user32_module
, "EDITMENU");
3297 HMENU popup
= GetSubMenu(menu
, 0);
3298 UINT start
= es
->selection_start
;
3299 UINT end
= es
->selection_end
;
3302 ORDER_UINT(start
, end
);
3305 EnableMenuItem(popup
, 0, MF_BYPOSITION
| (EDIT_EM_CanUndo(es
) && !(es
->style
& ES_READONLY
) ? MF_ENABLED
: MF_GRAYED
));
3307 EnableMenuItem(popup
, 2, MF_BYPOSITION
| ((end
- start
) && !(es
->style
& ES_PASSWORD
) && !(es
->style
& ES_READONLY
) ? MF_ENABLED
: MF_GRAYED
));
3309 EnableMenuItem(popup
, 3, MF_BYPOSITION
| ((end
- start
) && !(es
->style
& ES_PASSWORD
) ? MF_ENABLED
: MF_GRAYED
));
3311 EnableMenuItem(popup
, 4, MF_BYPOSITION
| (IsClipboardFormatAvailable(CF_UNICODETEXT
) && !(es
->style
& ES_READONLY
) ? MF_ENABLED
: MF_GRAYED
));
3313 EnableMenuItem(popup
, 5, MF_BYPOSITION
| ((end
- start
) && !(es
->style
& ES_READONLY
) ? MF_ENABLED
: MF_GRAYED
));
3315 EnableMenuItem(popup
, 7, MF_BYPOSITION
| (start
|| (end
!= get_text_length(es
)) ? MF_ENABLED
: MF_GRAYED
));
3317 if (x
== -1 && y
== -1) /* passed via VK_APPS press/release */
3320 /* Windows places the menu at the edit's center in this case */
3321 WIN_GetRectangles( es
->hwndSelf
, COORDS_SCREEN
, NULL
, &rc
);
3322 x
= rc
.left
+ (rc
.right
- rc
.left
) / 2;
3323 y
= rc
.top
+ (rc
.bottom
- rc
.top
) / 2;
3326 if (!(es
->flags
& EF_FOCUSED
))
3327 SetFocus(es
->hwndSelf
);
3329 cmd
= TrackPopupMenu(popup
, TPM_LEFTALIGN
| TPM_RIGHTBUTTON
| TPM_RETURNCMD
| TPM_NONOTIFY
,
3330 x
, y
, 0, es
->hwndSelf
, NULL
);
3333 EDIT_ContextMenuCommand(es
, cmd
);
3339 /*********************************************************************
3344 static INT
EDIT_WM_GetText(const EDITSTATE
*es
, INT count
, LPWSTR dst
, BOOL unicode
)
3346 if(!count
) return 0;
3350 lstrcpynW(dst
, es
->text
, count
);
3351 return strlenW(dst
);
3355 LPSTR textA
= (LPSTR
)dst
;
3356 if (!WideCharToMultiByte(CP_ACP
, 0, es
->text
, -1, textA
, count
, NULL
, NULL
))
3357 textA
[count
- 1] = 0; /* ensure 0 termination */
3358 return strlen(textA
);
3362 /*********************************************************************
3367 static BOOL
EDIT_CheckCombo(EDITSTATE
*es
, UINT msg
, INT key
)
3369 HWND hLBox
= es
->hwndListBox
;
3377 hCombo
= GetParent(es
->hwndSelf
);
3381 TRACE_(combo
)("[%p]: handling msg %x (%x)\n", es
->hwndSelf
, msg
, key
);
3383 if (key
== VK_UP
|| key
== VK_DOWN
)
3385 if (SendMessageW(hCombo
, CB_GETEXTENDEDUI
, 0, 0))
3388 if (msg
== WM_KEYDOWN
|| nEUI
)
3389 bDropped
= (BOOL
)SendMessageW(hCombo
, CB_GETDROPPEDSTATE
, 0, 0);
3395 if (!bDropped
&& nEUI
&& (key
== VK_UP
|| key
== VK_DOWN
))
3397 /* make sure ComboLBox pops up */
3398 SendMessageW(hCombo
, CB_SETEXTENDEDUI
, FALSE
, 0);
3403 SendMessageW(hLBox
, WM_KEYDOWN
, key
, 0);
3406 case WM_SYSKEYDOWN
: /* Handle Alt+up/down arrows */
3408 SendMessageW(hCombo
, CB_SHOWDROPDOWN
, !bDropped
, 0);
3410 SendMessageW(hLBox
, WM_KEYDOWN
, VK_F4
, 0);
3415 SendMessageW(hCombo
, CB_SETEXTENDEDUI
, TRUE
, 0);
3421 /*********************************************************************
3425 * Handling of special keys that don't produce a WM_CHAR
3426 * (i.e. non-printable keys) & Backspace & Delete
3429 static LRESULT
EDIT_WM_KeyDown(EDITSTATE
*es
, INT key
)
3434 if (GetKeyState(VK_MENU
) & 0x8000)
3437 shift
= GetKeyState(VK_SHIFT
) & 0x8000;
3438 control
= GetKeyState(VK_CONTROL
) & 0x8000;
3443 if (EDIT_CheckCombo(es
, WM_KEYDOWN
, key
) || key
== VK_F4
)
3448 if ((es
->style
& ES_MULTILINE
) && (key
== VK_UP
))
3449 EDIT_MoveUp_ML(es
, shift
);
3452 EDIT_MoveWordBackward(es
, shift
);
3454 EDIT_MoveBackward(es
, shift
);
3457 if (EDIT_CheckCombo(es
, WM_KEYDOWN
, key
))
3461 if ((es
->style
& ES_MULTILINE
) && (key
== VK_DOWN
))
3462 EDIT_MoveDown_ML(es
, shift
);
3464 EDIT_MoveWordForward(es
, shift
);
3466 EDIT_MoveForward(es
, shift
);
3469 EDIT_MoveHome(es
, shift
, control
);
3472 EDIT_MoveEnd(es
, shift
, control
);
3475 if (es
->style
& ES_MULTILINE
)
3476 EDIT_MovePageUp_ML(es
, shift
);
3478 EDIT_CheckCombo(es
, WM_KEYDOWN
, key
);
3481 if (es
->style
& ES_MULTILINE
)
3482 EDIT_MovePageDown_ML(es
, shift
);
3484 EDIT_CheckCombo(es
, WM_KEYDOWN
, key
);
3487 if (!(es
->style
& ES_READONLY
) && !(shift
&& control
)) {
3488 if (es
->selection_start
!= es
->selection_end
) {
3495 /* delete character left of caret */
3496 EDIT_EM_SetSel(es
, (UINT
)-1, 0, FALSE
);
3497 EDIT_MoveBackward(es
, TRUE
);
3499 } else if (control
) {
3500 /* delete to end of line */
3501 EDIT_EM_SetSel(es
, (UINT
)-1, 0, FALSE
);
3502 EDIT_MoveEnd(es
, TRUE
, FALSE
);
3505 /* delete character right of caret */
3506 EDIT_EM_SetSel(es
, (UINT
)-1, 0, FALSE
);
3507 EDIT_MoveForward(es
, TRUE
);
3515 if (!(es
->style
& ES_READONLY
))
3521 /* If the edit doesn't want the return send a message to the default object */
3522 if(!(es
->style
& ES_MULTILINE
) || !(es
->style
& ES_WANTRETURN
))
3526 if (!EDIT_IsInsideDialog(es
)) break;
3528 dw
= SendMessageW(es
->hwndParent
, DM_GETDEFID
, 0, 0);
3529 if (HIWORD(dw
) == DC_HASDEFID
)
3531 HWND hwDefCtrl
= GetDlgItem(es
->hwndParent
, LOWORD(dw
));
3534 SendMessageW(es
->hwndParent
, WM_NEXTDLGCTL
, (WPARAM
)hwDefCtrl
, TRUE
);
3535 PostMessageW(hwDefCtrl
, WM_KEYDOWN
, VK_RETURN
, 0);
3541 if ((es
->style
& ES_MULTILINE
) && EDIT_IsInsideDialog(es
))
3542 PostMessageW(es
->hwndParent
, WM_CLOSE
, 0, 0);
3545 if ((es
->style
& ES_MULTILINE
) && EDIT_IsInsideDialog(es
))
3546 SendMessageW(es
->hwndParent
, WM_NEXTDLGCTL
, shift
, 0);
3553 /*********************************************************************
3558 static LRESULT
EDIT_WM_KillFocus(EDITSTATE
*es
)
3560 es
->flags
&= ~EF_FOCUSED
;
3562 if(!(es
->style
& ES_NOHIDESEL
))
3563 EDIT_InvalidateText(es
, es
->selection_start
, es
->selection_end
);
3564 EDIT_NOTIFY_PARENT(es
, EN_KILLFOCUS
);
3565 /* throw away left over scroll when we lose focus */
3566 es
->wheelDeltaRemainder
= 0;
3571 /*********************************************************************
3575 * The caret position has been set on the WM_LBUTTONDOWN message
3578 static LRESULT
EDIT_WM_LButtonDblClk(EDITSTATE
*es
)
3581 INT e
= es
->selection_end
;
3586 es
->bCaptureState
= TRUE
;
3587 SetCapture(es
->hwndSelf
);
3589 l
= EDIT_EM_LineFromChar(es
, e
);
3590 li
= EDIT_EM_LineIndex(es
, l
);
3591 ll
= EDIT_EM_LineLength(es
, e
);
3592 s
= li
+ EDIT_CallWordBreakProc(es
, li
, e
- li
, ll
, WB_LEFT
);
3593 e
= li
+ EDIT_CallWordBreakProc(es
, li
, e
- li
, ll
, WB_RIGHT
);
3594 EDIT_EM_SetSel(es
, s
, e
, FALSE
);
3595 EDIT_EM_ScrollCaret(es
);
3596 es
->region_posx
= es
->region_posy
= 0;
3597 SetTimer(es
->hwndSelf
, 0, 100, NULL
);
3602 /*********************************************************************
3607 static LRESULT
EDIT_WM_LButtonDown(EDITSTATE
*es
, DWORD keys
, INT x
, INT y
)
3612 es
->bCaptureState
= TRUE
;
3613 SetCapture(es
->hwndSelf
);
3614 EDIT_ConfinePoint(es
, &x
, &y
);
3615 e
= EDIT_CharFromPos(es
, x
, y
, &after_wrap
);
3616 EDIT_EM_SetSel(es
, (keys
& MK_SHIFT
) ? es
->selection_start
: e
, e
, after_wrap
);
3617 EDIT_EM_ScrollCaret(es
);
3618 es
->region_posx
= es
->region_posy
= 0;
3619 SetTimer(es
->hwndSelf
, 0, 100, NULL
);
3621 if (!(es
->flags
& EF_FOCUSED
))
3622 SetFocus(es
->hwndSelf
);
3628 /*********************************************************************
3633 static LRESULT
EDIT_WM_LButtonUp(EDITSTATE
*es
)
3635 if (es
->bCaptureState
) {
3636 KillTimer(es
->hwndSelf
, 0);
3637 if (GetCapture() == es
->hwndSelf
) ReleaseCapture();
3639 es
->bCaptureState
= FALSE
;
3644 /*********************************************************************
3649 static LRESULT
EDIT_WM_MButtonDown(EDITSTATE
*es
)
3651 SendMessageW(es
->hwndSelf
, WM_PASTE
, 0, 0);
3656 /*********************************************************************
3661 static LRESULT
EDIT_WM_MouseMove(EDITSTATE
*es
, INT x
, INT y
)
3667 /* If the mouse has been captured by process other than the edit control itself,
3668 * the windows edit controls will not select the strings with mouse move.
3670 if (!es
->bCaptureState
|| GetCapture() != es
->hwndSelf
)
3674 * FIXME: gotta do some scrolling if outside client
3675 * area. Maybe reset the timer ?
3678 EDIT_ConfinePoint(es
, &x
, &y
);
3679 es
->region_posx
= (prex
< x
) ? -1 : ((prex
> x
) ? 1 : 0);
3680 es
->region_posy
= (prey
< y
) ? -1 : ((prey
> y
) ? 1 : 0);
3681 e
= EDIT_CharFromPos(es
, x
, y
, &after_wrap
);
3682 EDIT_EM_SetSel(es
, es
->selection_start
, e
, after_wrap
);
3683 EDIT_SetCaretPos(es
,es
->selection_end
,es
->flags
& EF_AFTER_WRAP
);
3688 /*********************************************************************
3693 static void EDIT_WM_Paint(EDITSTATE
*es
, HDC hdc
)
3706 BOOL rev
= es
->bEnableState
&&
3707 ((es
->flags
& EF_FOCUSED
) ||
3708 (es
->style
& ES_NOHIDESEL
));
3709 dc
= hdc
? hdc
: BeginPaint(es
->hwndSelf
, &ps
);
3711 /* The dc we use for calculating may not be the one we paint into.
3712 This is the safest action. */
3713 EDIT_InvalidateUniscribeData(es
);
3714 GetClientRect(es
->hwndSelf
, &rcClient
);
3716 /* get the background brush */
3717 brush
= EDIT_NotifyCtlColor(es
, dc
);
3719 /* paint the border and the background */
3720 IntersectClipRect(dc
, rcClient
.left
, rcClient
.top
, rcClient
.right
, rcClient
.bottom
);
3722 if(es
->style
& WS_BORDER
) {
3723 bw
= GetSystemMetrics(SM_CXBORDER
);
3724 bh
= GetSystemMetrics(SM_CYBORDER
);
3726 if(es
->style
& ES_MULTILINE
) {
3727 if(es
->style
& WS_HSCROLL
) rc
.bottom
+=bh
;
3728 if(es
->style
& WS_VSCROLL
) rc
.right
+=bw
;
3731 /* Draw the frame. Same code as in nonclient.c */
3732 old_brush
= SelectObject(dc
, GetSysColorBrush(COLOR_WINDOWFRAME
));
3733 PatBlt(dc
, rc
.left
, rc
.top
, rc
.right
- rc
.left
, bh
, PATCOPY
);
3734 PatBlt(dc
, rc
.left
, rc
.top
, bw
, rc
.bottom
- rc
.top
, PATCOPY
);
3735 PatBlt(dc
, rc
.left
, rc
.bottom
- 1, rc
.right
- rc
.left
, -bw
, PATCOPY
);
3736 PatBlt(dc
, rc
.right
- 1, rc
.top
, -bw
, rc
.bottom
- rc
.top
, PATCOPY
);
3737 SelectObject(dc
, old_brush
);
3739 /* Keep the border clean */
3740 IntersectClipRect(dc
, rc
.left
+bw
, rc
.top
+bh
,
3741 max(rc
.right
-bw
, rc
.left
+bw
), max(rc
.bottom
-bh
, rc
.top
+bh
));
3744 GetClipBox(dc
, &rc
);
3745 FillRect(dc
, &rc
, brush
);
3747 IntersectClipRect(dc
, es
->format_rect
.left
,
3748 es
->format_rect
.top
,
3749 es
->format_rect
.right
,
3750 es
->format_rect
.bottom
);
3751 if (es
->style
& ES_MULTILINE
) {
3753 IntersectClipRect(dc
, rc
.left
, rc
.top
, rc
.right
, rc
.bottom
);
3756 old_font
= SelectObject(dc
, es
->font
);
3758 if (!es
->bEnableState
)
3759 SetTextColor(dc
, GetSysColor(COLOR_GRAYTEXT
));
3760 GetClipBox(dc
, &rcRgn
);
3761 if (es
->style
& ES_MULTILINE
) {
3762 INT vlc
= get_vertical_line_count(es
);
3763 for (i
= es
->y_offset
; i
<= min(es
->y_offset
+ vlc
, es
->y_offset
+ es
->line_count
- 1) ; i
++) {
3764 EDIT_UpdateUniscribeData(es
, dc
, i
);
3765 EDIT_GetLineRect(es
, i
, 0, -1, &rcLine
);
3766 if (IntersectRect(&rc
, &rcRgn
, &rcLine
))
3767 EDIT_PaintLine(es
, dc
, i
, rev
);
3770 EDIT_UpdateUniscribeData(es
, dc
, 0);
3771 EDIT_GetLineRect(es
, 0, 0, -1, &rcLine
);
3772 if (IntersectRect(&rc
, &rcRgn
, &rcLine
))
3773 EDIT_PaintLine(es
, dc
, 0, rev
);
3776 SelectObject(dc
, old_font
);
3779 EndPaint(es
->hwndSelf
, &ps
);
3783 /*********************************************************************
3788 static void EDIT_WM_SetFocus(EDITSTATE
*es
)
3790 es
->flags
|= EF_FOCUSED
;
3792 if (!(es
->style
& ES_NOHIDESEL
))
3793 EDIT_InvalidateText(es
, es
->selection_start
, es
->selection_end
);
3795 /* single line edit updates itself */
3796 if (IsWindowVisible(es
->hwndSelf
) && !(es
->style
& ES_MULTILINE
))
3798 HDC hdc
= GetDC(es
->hwndSelf
);
3799 EDIT_WM_Paint(es
, hdc
);
3800 ReleaseDC(es
->hwndSelf
, hdc
);
3803 CreateCaret(es
->hwndSelf
, 0, 1, es
->line_height
);
3804 EDIT_SetCaretPos(es
, es
->selection_end
,
3805 es
->flags
& EF_AFTER_WRAP
);
3806 ShowCaret(es
->hwndSelf
);
3807 EDIT_NOTIFY_PARENT(es
, EN_SETFOCUS
);
3811 /*********************************************************************
3815 * With Win95 look the margins are set to default font value unless
3816 * the system font (font == 0) is being set, in which case they are left
3820 static void EDIT_WM_SetFont(EDITSTATE
*es
, HFONT font
, BOOL redraw
)
3828 EDIT_InvalidateUniscribeData(es
);
3829 dc
= GetDC(es
->hwndSelf
);
3831 old_font
= SelectObject(dc
, font
);
3832 GetTextMetricsW(dc
, &tm
);
3833 es
->line_height
= tm
.tmHeight
;
3834 es
->char_width
= tm
.tmAveCharWidth
;
3836 SelectObject(dc
, old_font
);
3837 ReleaseDC(es
->hwndSelf
, dc
);
3839 /* Reset the format rect and the margins */
3840 GetClientRect(es
->hwndSelf
, &clientRect
);
3841 EDIT_SetRectNP(es
, &clientRect
);
3842 EDIT_EM_SetMargins(es
, EC_LEFTMARGIN
| EC_RIGHTMARGIN
,
3843 EC_USEFONTINFO
, EC_USEFONTINFO
, FALSE
);
3845 if (es
->style
& ES_MULTILINE
)
3846 EDIT_BuildLineDefs_ML(es
, 0, get_text_length(es
), 0, NULL
);
3848 EDIT_CalcLineWidth_SL(es
);
3851 EDIT_UpdateText(es
, NULL
, TRUE
);
3852 if (es
->flags
& EF_FOCUSED
) {
3854 CreateCaret(es
->hwndSelf
, 0, 1, es
->line_height
);
3855 EDIT_SetCaretPos(es
, es
->selection_end
,
3856 es
->flags
& EF_AFTER_WRAP
);
3857 ShowCaret(es
->hwndSelf
);
3862 /*********************************************************************
3867 * For multiline controls (ES_MULTILINE), reception of WM_SETTEXT triggers:
3868 * The modified flag is reset. No notifications are sent.
3870 * For single-line controls, reception of WM_SETTEXT triggers:
3871 * The modified flag is reset. EN_UPDATE and EN_CHANGE notifications are sent.
3874 static void EDIT_WM_SetText(EDITSTATE
*es
, LPCWSTR text
, BOOL unicode
)
3876 LPWSTR textW
= NULL
;
3877 if (!unicode
&& text
)
3879 LPCSTR textA
= (LPCSTR
)text
;
3880 INT countW
= MultiByteToWideChar(CP_ACP
, 0, textA
, -1, NULL
, 0);
3881 textW
= HeapAlloc(GetProcessHeap(), 0, countW
* sizeof(WCHAR
));
3883 MultiByteToWideChar(CP_ACP
, 0, textA
, -1, textW
, countW
);
3887 if (es
->flags
& EF_UPDATE
)
3888 /* fixed this bug once; complain if we see it about to happen again. */
3889 ERR("SetSel may generate UPDATE message whose handler may reset "
3892 EDIT_EM_SetSel(es
, 0, (UINT
)-1, FALSE
);
3895 TRACE("%s\n", debugstr_w(text
));
3896 EDIT_EM_ReplaceSel(es
, FALSE
, text
, strlenW(text
), FALSE
, FALSE
);
3898 HeapFree(GetProcessHeap(), 0, textW
);
3903 EDIT_EM_ReplaceSel(es
, FALSE
, NULL
, 0, FALSE
, FALSE
);
3906 es
->flags
&= ~EF_MODIFIED
;
3907 EDIT_EM_SetSel(es
, 0, 0, FALSE
);
3909 /* Send the notification after the selection start and end have been set
3910 * edit control doesn't send notification on WM_SETTEXT
3911 * if it is multiline, or it is part of combobox
3913 if( !((es
->style
& ES_MULTILINE
) || es
->hwndListBox
))
3915 EDIT_NOTIFY_PARENT(es
, EN_UPDATE
);
3916 EDIT_NOTIFY_PARENT(es
, EN_CHANGE
);
3918 EDIT_EM_ScrollCaret(es
);
3919 EDIT_UpdateScrollInfo(es
);
3920 EDIT_InvalidateUniscribeData(es
);
3924 /*********************************************************************
3929 static void EDIT_WM_Size(EDITSTATE
*es
, UINT action
)
3931 if ((action
== SIZE_MAXIMIZED
) || (action
== SIZE_RESTORED
)) {
3933 GetClientRect(es
->hwndSelf
, &rc
);
3934 EDIT_SetRectNP(es
, &rc
);
3935 EDIT_UpdateText(es
, NULL
, TRUE
);
3940 /*********************************************************************
3944 * This message is sent by SetWindowLong on having changed either the Style
3945 * or the extended style.
3947 * We ensure that the window's version of the styles and the EDITSTATE's agree.
3949 * See also EDIT_WM_NCCreate
3951 * It appears that the Windows version of the edit control allows the style
3952 * (as retrieved by GetWindowLong) to be any value and maintains an internal
3953 * style variable which will generally be different. In this function we
3954 * update the internal style based on what changed in the externally visible
3957 * Much of this content as based upon the MSDN, especially:
3958 * Platform SDK Documentation -> User Interface Services ->
3959 * Windows User Interface -> Edit Controls -> Edit Control Reference ->
3960 * Edit Control Styles
3962 static LRESULT
EDIT_WM_StyleChanged ( EDITSTATE
*es
, WPARAM which
, const STYLESTRUCT
*style
)
3964 if (GWL_STYLE
== which
) {
3965 DWORD style_change_mask
;
3967 /* Only a subset of changes can be applied after the control
3970 style_change_mask
= ES_UPPERCASE
| ES_LOWERCASE
|
3972 if (es
->style
& ES_MULTILINE
)
3973 style_change_mask
|= ES_WANTRETURN
;
3975 new_style
= style
->styleNew
& style_change_mask
;
3977 /* Number overrides lowercase overrides uppercase (at least it
3978 * does in Win95). However I'll bet that ES_NUMBER would be
3979 * invalid under Win 3.1.
3981 if (new_style
& ES_NUMBER
) {
3982 ; /* do not override the ES_NUMBER */
3983 } else if (new_style
& ES_LOWERCASE
) {
3984 new_style
&= ~ES_UPPERCASE
;
3987 es
->style
= (es
->style
& ~style_change_mask
) | new_style
;
3988 } else if (GWL_EXSTYLE
== which
) {
3989 ; /* FIXME - what is needed here */
3991 WARN ("Invalid style change %ld\n",which
);
3997 /*********************************************************************
4002 static LRESULT
EDIT_WM_SysKeyDown(EDITSTATE
*es
, INT key
, DWORD key_data
)
4004 if ((key
== VK_BACK
) && (key_data
& 0x2000)) {
4005 if (EDIT_EM_CanUndo(es
))
4008 } else if (key
== VK_UP
|| key
== VK_DOWN
) {
4009 if (EDIT_CheckCombo(es
, WM_SYSKEYDOWN
, key
))
4012 return DefWindowProcW(es
->hwndSelf
, WM_SYSKEYDOWN
, key
, key_data
);
4016 /*********************************************************************
4021 static void EDIT_WM_Timer(EDITSTATE
*es
)
4023 if (es
->region_posx
< 0) {
4024 EDIT_MoveBackward(es
, TRUE
);
4025 } else if (es
->region_posx
> 0) {
4026 EDIT_MoveForward(es
, TRUE
);
4029 * FIXME: gotta do some vertical scrolling here, like
4030 * EDIT_EM_LineScroll(hwnd, 0, 1);
4034 /*********************************************************************
4039 static LRESULT
EDIT_WM_HScroll(EDITSTATE
*es
, INT action
, INT pos
)
4044 if (!(es
->style
& ES_MULTILINE
))
4047 if (!(es
->style
& ES_AUTOHSCROLL
))
4051 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
4054 TRACE("SB_LINELEFT\n");
4056 dx
= -es
->char_width
;
4059 TRACE("SB_LINERIGHT\n");
4060 if (es
->x_offset
< es
->text_width
)
4061 dx
= es
->char_width
;
4064 TRACE("SB_PAGELEFT\n");
4066 dx
= -fw
/ HSCROLL_FRACTION
/ es
->char_width
* es
->char_width
;
4069 TRACE("SB_PAGERIGHT\n");
4070 if (es
->x_offset
< es
->text_width
)
4071 dx
= fw
/ HSCROLL_FRACTION
/ es
->char_width
* es
->char_width
;
4079 TRACE("SB_RIGHT\n");
4080 if (es
->x_offset
< es
->text_width
)
4081 dx
= es
->text_width
- es
->x_offset
;
4084 TRACE("SB_THUMBTRACK %d\n", pos
);
4085 es
->flags
|= EF_HSCROLL_TRACK
;
4086 if(es
->style
& WS_HSCROLL
)
4087 dx
= pos
- es
->x_offset
;
4092 if(pos
< 0 || pos
> 100) return 0;
4093 /* Assume default scroll range 0-100 */
4094 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
4095 new_x
= pos
* (es
->text_width
- fw
) / 100;
4096 dx
= es
->text_width
? (new_x
- es
->x_offset
) : 0;
4099 case SB_THUMBPOSITION
:
4100 TRACE("SB_THUMBPOSITION %d\n", pos
);
4101 es
->flags
&= ~EF_HSCROLL_TRACK
;
4102 if(GetWindowLongW( es
->hwndSelf
, GWL_STYLE
) & WS_HSCROLL
)
4103 dx
= pos
- es
->x_offset
;
4108 if(pos
< 0 || pos
> 100) return 0;
4109 /* Assume default scroll range 0-100 */
4110 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
4111 new_x
= pos
* (es
->text_width
- fw
) / 100;
4112 dx
= es
->text_width
? (new_x
- es
->x_offset
) : 0;
4115 /* force scroll info update */
4116 EDIT_UpdateScrollInfo(es
);
4117 EDIT_NOTIFY_PARENT(es
, EN_HSCROLL
);
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_HSCROLL
)
4133 ret
= GetScrollPos(es
->hwndSelf
, SB_HORZ
);
4136 /* Assume default scroll range 0-100 */
4137 INT fw
= es
->format_rect
.right
- es
->format_rect
.left
;
4138 ret
= es
->text_width
? es
->x_offset
* 100 / (es
->text_width
- fw
) : 0;
4140 TRACE("EM_GETTHUMB: returning %ld\n", ret
);
4144 TRACE("EM_LINESCROLL16\n");
4149 ERR("undocumented WM_HSCROLL action %d (0x%04x), please report\n",
4155 INT fw
= es
->format_rect
.right
- es
->format_rect
.left
;
4156 /* check if we are going to move too far */
4157 if(es
->x_offset
+ dx
+ fw
> es
->text_width
)
4158 dx
= es
->text_width
- fw
- es
->x_offset
;
4160 EDIT_EM_LineScroll_internal(es
, dx
, 0);
4166 /*********************************************************************
4171 static LRESULT
EDIT_WM_VScroll(EDITSTATE
*es
, INT action
, INT pos
)
4175 if (!(es
->style
& ES_MULTILINE
))
4178 if (!(es
->style
& ES_AUTOVSCROLL
))
4187 TRACE("action %d (%s)\n", action
, (action
== SB_LINEUP
? "SB_LINEUP" :
4188 (action
== SB_LINEDOWN
? "SB_LINEDOWN" :
4189 (action
== SB_PAGEUP
? "SB_PAGEUP" :
4191 EDIT_EM_Scroll(es
, action
);
4198 TRACE("SB_BOTTOM\n");
4199 dy
= es
->line_count
- 1 - es
->y_offset
;
4202 TRACE("SB_THUMBTRACK %d\n", pos
);
4203 es
->flags
|= EF_VSCROLL_TRACK
;
4204 if(es
->style
& WS_VSCROLL
)
4205 dy
= pos
- es
->y_offset
;
4208 /* Assume default scroll range 0-100 */
4211 if(pos
< 0 || pos
> 100) return 0;
4212 vlc
= get_vertical_line_count(es
);
4213 new_y
= pos
* (es
->line_count
- vlc
) / 100;
4214 dy
= es
->line_count
? (new_y
- es
->y_offset
) : 0;
4215 TRACE("line_count=%d, y_offset=%d, pos=%d, dy = %d\n",
4216 es
->line_count
, es
->y_offset
, pos
, dy
);
4219 case SB_THUMBPOSITION
:
4220 TRACE("SB_THUMBPOSITION %d\n", pos
);
4221 es
->flags
&= ~EF_VSCROLL_TRACK
;
4222 if(es
->style
& WS_VSCROLL
)
4223 dy
= pos
- es
->y_offset
;
4226 /* Assume default scroll range 0-100 */
4229 if(pos
< 0 || pos
> 100) return 0;
4230 vlc
= get_vertical_line_count(es
);
4231 new_y
= pos
* (es
->line_count
- vlc
) / 100;
4232 dy
= es
->line_count
? (new_y
- es
->y_offset
) : 0;
4233 TRACE("line_count=%d, y_offset=%d, pos=%d, dy = %d\n",
4234 es
->line_count
, es
->y_offset
, pos
, dy
);
4238 /* force scroll info update */
4239 EDIT_UpdateScrollInfo(es
);
4240 EDIT_NOTIFY_PARENT(es
, EN_VSCROLL
);
4244 TRACE("SB_ENDSCROLL\n");
4247 * FIXME : the next two are undocumented !
4248 * Are we doing the right thing ?
4249 * At least Win 3.1 Notepad makes use of EM_GETTHUMB this way,
4250 * although it's also a regular control message.
4252 case EM_GETTHUMB
: /* this one is used by NT notepad */
4255 if(GetWindowLongW( es
->hwndSelf
, GWL_STYLE
) & WS_VSCROLL
)
4256 ret
= GetScrollPos(es
->hwndSelf
, SB_VERT
);
4259 /* Assume default scroll range 0-100 */
4260 INT vlc
= get_vertical_line_count(es
);
4261 ret
= es
->line_count
? es
->y_offset
* 100 / (es
->line_count
- vlc
) : 0;
4263 TRACE("EM_GETTHUMB: returning %ld\n", ret
);
4267 TRACE("EM_LINESCROLL %d\n", pos
);
4272 ERR("undocumented WM_VSCROLL action %d (0x%04x), please report\n",
4277 EDIT_EM_LineScroll(es
, 0, dy
);
4281 /*********************************************************************
4285 * FIXME: is this right ? (or should it be only VSCROLL)
4286 * (and maybe only for edit controls that really have their
4287 * own scrollbars) (and maybe only for multiline controls ?)
4288 * All in all: very poorly documented
4291 static LRESULT
EDIT_EM_GetThumb(EDITSTATE
*es
)
4293 return MAKELONG(EDIT_WM_VScroll(es
, EM_GETTHUMB
, 0),
4294 EDIT_WM_HScroll(es
, EM_GETTHUMB
, 0));
4298 /********************************************************************
4300 * The Following code is to handle inline editing from IMEs
4303 static void EDIT_GetCompositionStr(HIMC hIMC
, LPARAM CompFlag
, EDITSTATE
*es
)
4307 LPSTR lpCompStrAttr
= NULL
;
4310 buflen
= ImmGetCompositionStringW(hIMC
, GCS_COMPSTR
, NULL
, 0);
4317 lpCompStr
= HeapAlloc(GetProcessHeap(),0,buflen
);
4320 ERR("Unable to allocate IME CompositionString\n");
4325 ImmGetCompositionStringW(hIMC
, GCS_COMPSTR
, lpCompStr
, buflen
);
4327 if (CompFlag
& GCS_COMPATTR
)
4330 * We do not use the attributes yet. it would tell us what characters
4331 * are in transition and which are converted or decided upon
4333 dwBufLenAttr
= ImmGetCompositionStringW(hIMC
, GCS_COMPATTR
, NULL
, 0);
4337 lpCompStrAttr
= HeapAlloc(GetProcessHeap(),0,dwBufLenAttr
+1);
4340 ERR("Unable to allocate IME Attribute String\n");
4341 HeapFree(GetProcessHeap(),0,lpCompStr
);
4344 ImmGetCompositionStringW(hIMC
,GCS_COMPATTR
, lpCompStrAttr
,
4346 lpCompStrAttr
[dwBufLenAttr
] = 0;
4350 /* check for change in composition start */
4351 if (es
->selection_end
< es
->composition_start
)
4352 es
->composition_start
= es
->selection_end
;
4354 /* replace existing selection string */
4355 es
->selection_start
= es
->composition_start
;
4357 if (es
->composition_len
> 0)
4358 es
->selection_end
= es
->composition_start
+ es
->composition_len
;
4360 es
->selection_end
= es
->selection_start
;
4362 EDIT_EM_ReplaceSel(es
, FALSE
, lpCompStr
, buflen
/ sizeof(WCHAR
), TRUE
, TRUE
);
4363 es
->composition_len
= abs(es
->composition_start
- es
->selection_end
);
4365 es
->selection_start
= es
->composition_start
;
4366 es
->selection_end
= es
->selection_start
+ es
->composition_len
;
4368 HeapFree(GetProcessHeap(),0,lpCompStrAttr
);
4369 HeapFree(GetProcessHeap(),0,lpCompStr
);
4372 static void EDIT_GetResultStr(HIMC hIMC
, EDITSTATE
*es
)
4377 buflen
= ImmGetCompositionStringW(hIMC
, GCS_RESULTSTR
, NULL
, 0);
4383 lpResultStr
= HeapAlloc(GetProcessHeap(),0, buflen
);
4386 ERR("Unable to alloc buffer for IME string\n");
4390 ImmGetCompositionStringW(hIMC
, GCS_RESULTSTR
, lpResultStr
, buflen
);
4392 /* check for change in composition start */
4393 if (es
->selection_end
< es
->composition_start
)
4394 es
->composition_start
= es
->selection_end
;
4396 es
->selection_start
= es
->composition_start
;
4397 es
->selection_end
= es
->composition_start
+ es
->composition_len
;
4398 EDIT_EM_ReplaceSel(es
, TRUE
, lpResultStr
, buflen
/ sizeof(WCHAR
), TRUE
, TRUE
);
4399 es
->composition_start
= es
->selection_end
;
4400 es
->composition_len
= 0;
4402 HeapFree(GetProcessHeap(),0,lpResultStr
);
4405 static void EDIT_ImeComposition(HWND hwnd
, LPARAM CompFlag
, EDITSTATE
*es
)
4410 if (es
->composition_len
== 0 && es
->selection_start
!= es
->selection_end
)
4412 EDIT_EM_ReplaceSel(es
, TRUE
, NULL
, 0, TRUE
, TRUE
);
4413 es
->composition_start
= es
->selection_end
;
4416 hIMC
= ImmGetContext(hwnd
);
4420 if (CompFlag
& GCS_RESULTSTR
)
4422 EDIT_GetResultStr(hIMC
, es
);
4427 if (CompFlag
& GCS_COMPSTR
)
4428 EDIT_GetCompositionStr(hIMC
, CompFlag
, es
);
4429 cursor
= ImmGetCompositionStringW(hIMC
, GCS_CURSORPOS
, 0, 0);
4431 ImmReleaseContext(hwnd
, hIMC
);
4432 EDIT_SetCaretPos(es
, es
->selection_start
+ cursor
, es
->flags
& EF_AFTER_WRAP
);
4436 /*********************************************************************
4440 * See also EDIT_WM_StyleChanged
4442 static LRESULT
EDIT_WM_NCCreate(HWND hwnd
, LPCREATESTRUCTW lpcs
, BOOL unicode
)
4447 TRACE("Creating %s edit control, style = %08x\n",
4448 unicode
? "Unicode" : "ANSI", lpcs
->style
);
4450 if (!(es
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(*es
))))
4452 SetWindowLongPtrW( hwnd
, 0, (LONG_PTR
)es
);
4455 * Note: since the EDITSTATE has not been fully initialized yet,
4456 * we can't use any API calls that may send
4457 * WM_XXX messages before WM_NCCREATE is completed.
4460 es
->is_unicode
= unicode
;
4461 es
->style
= lpcs
->style
;
4463 es
->bEnableState
= !(es
->style
& WS_DISABLED
);
4465 es
->hwndSelf
= hwnd
;
4466 /* Save parent, which will be notified by EN_* messages */
4467 es
->hwndParent
= lpcs
->hwndParent
;
4469 if (es
->style
& ES_COMBO
)
4470 es
->hwndListBox
= GetDlgItem(es
->hwndParent
, ID_CB_LISTBOX
);
4472 /* FIXME: should we handle changes to WS_EX_RIGHT style after creation? */
4473 if (lpcs
->dwExStyle
& WS_EX_RIGHT
) es
->style
|= ES_RIGHT
;
4475 /* Number overrides lowercase overrides uppercase (at least it
4476 * does in Win95). However I'll bet that ES_NUMBER would be
4477 * invalid under Win 3.1.
4479 if (es
->style
& ES_NUMBER
) {
4480 ; /* do not override the ES_NUMBER */
4481 } else if (es
->style
& ES_LOWERCASE
) {
4482 es
->style
&= ~ES_UPPERCASE
;
4484 if (es
->style
& ES_MULTILINE
) {
4485 es
->buffer_limit
= BUFLIMIT_INITIAL
;
4486 if (es
->style
& WS_VSCROLL
)
4487 es
->style
|= ES_AUTOVSCROLL
;
4488 if (es
->style
& WS_HSCROLL
)
4489 es
->style
|= ES_AUTOHSCROLL
;
4490 es
->style
&= ~ES_PASSWORD
;
4491 if ((es
->style
& ES_CENTER
) || (es
->style
& ES_RIGHT
)) {
4492 /* Confirmed - RIGHT overrides CENTER */
4493 if (es
->style
& ES_RIGHT
)
4494 es
->style
&= ~ES_CENTER
;
4495 es
->style
&= ~WS_HSCROLL
;
4496 es
->style
&= ~ES_AUTOHSCROLL
;
4499 es
->buffer_limit
= BUFLIMIT_INITIAL
;
4500 if ((es
->style
& ES_RIGHT
) && (es
->style
& ES_CENTER
))
4501 es
->style
&= ~ES_CENTER
;
4502 es
->style
&= ~WS_HSCROLL
;
4503 es
->style
&= ~WS_VSCROLL
;
4504 if (es
->style
& ES_PASSWORD
)
4505 es
->password_char
= '*';
4508 alloc_size
= ROUND_TO_GROW((es
->buffer_size
+ 1) * sizeof(WCHAR
));
4509 if(!(es
->hloc32W
= LocalAlloc(LMEM_MOVEABLE
| LMEM_ZEROINIT
, alloc_size
)))
4511 es
->buffer_size
= LocalSize(es
->hloc32W
)/sizeof(WCHAR
) - 1;
4513 if (!(es
->undo_text
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, (es
->buffer_size
+ 1) * sizeof(WCHAR
))))
4515 es
->undo_buffer_size
= es
->buffer_size
;
4517 if (es
->style
& ES_MULTILINE
)
4518 if (!(es
->first_line_def
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(LINEDEF
))))
4523 * In Win95 look and feel, the WS_BORDER style is replaced by the
4524 * WS_EX_CLIENTEDGE style for the edit control. This gives the edit
4525 * control a nonclient area so we don't need to draw the border.
4526 * If WS_BORDER without WS_EX_CLIENTEDGE is specified we shouldn't have
4527 * a nonclient area and we should handle painting the border ourselves.
4529 * When making modifications please ensure that the code still works
4530 * for edit controls created directly with style 0x50800000, exStyle 0
4531 * (which should have a single pixel border)
4533 if (lpcs
->dwExStyle
& WS_EX_CLIENTEDGE
)
4534 es
->style
&= ~WS_BORDER
;
4535 else if (es
->style
& WS_BORDER
)
4536 SetWindowLongW(hwnd
, GWL_STYLE
, es
->style
& ~WS_BORDER
);
4541 SetWindowLongPtrW(es
->hwndSelf
, 0, 0);
4542 EDIT_InvalidateUniscribeData(es
);
4543 HeapFree(GetProcessHeap(), 0, es
->first_line_def
);
4544 HeapFree(GetProcessHeap(), 0, es
->undo_text
);
4545 if (es
->hloc32W
) LocalFree(es
->hloc32W
);
4546 HeapFree(GetProcessHeap(), 0, es
->logAttr
);
4547 HeapFree(GetProcessHeap(), 0, es
);
4552 /*********************************************************************
4557 static LRESULT
EDIT_WM_Create(EDITSTATE
*es
, LPCWSTR name
)
4561 TRACE("%s\n", debugstr_w(name
));
4563 * To initialize some final structure members, we call some helper
4564 * functions. However, since the EDITSTATE is not consistent (i.e.
4565 * not fully initialized), we should be very careful which
4566 * functions can be called, and in what order.
4568 EDIT_WM_SetFont(es
, 0, FALSE
);
4569 EDIT_EM_EmptyUndoBuffer(es
);
4571 /* We need to calculate the format rect
4572 (applications may send EM_SETMARGINS before the control gets visible) */
4573 GetClientRect(es
->hwndSelf
, &clientRect
);
4574 EDIT_SetRectNP(es
, &clientRect
);
4576 if (name
&& *name
) {
4577 EDIT_EM_ReplaceSel(es
, FALSE
, name
, strlenW(name
), FALSE
, FALSE
);
4578 /* if we insert text to the editline, the text scrolls out
4579 * of the window, as the caret is placed after the insert
4580 * pos normally; thus we reset es->selection... to 0 and
4583 es
->selection_start
= es
->selection_end
= 0;
4584 /* Adobe Photoshop does NOT like this. and MSDN says that EN_CHANGE
4585 * Messages are only to be sent when the USER does something to
4586 * change the contents. So I am removing this EN_CHANGE
4588 * EDIT_NOTIFY_PARENT(es, EN_CHANGE);
4590 EDIT_EM_ScrollCaret(es
);
4592 /* force scroll info update */
4593 EDIT_UpdateScrollInfo(es
);
4594 /* The rule seems to return 1 here for success */
4595 /* Power Builder masked edit controls will crash */
4597 /* FIXME: is that in all cases so ? */
4602 /*********************************************************************
4607 static LRESULT
EDIT_WM_NCDestroy(EDITSTATE
*es
)
4611 /* The app can own the text buffer handle */
4612 if (es
->hloc32W
&& (es
->hloc32W
!= es
->hlocapp
)) {
4613 LocalFree(es
->hloc32W
);
4615 if (es
->hloc32A
&& (es
->hloc32A
!= es
->hlocapp
)) {
4616 LocalFree(es
->hloc32A
);
4618 EDIT_InvalidateUniscribeData(es
);
4619 pc
= es
->first_line_def
;
4623 HeapFree(GetProcessHeap(), 0, pc
);
4627 SetWindowLongPtrW( es
->hwndSelf
, 0, 0 );
4628 HeapFree(GetProcessHeap(), 0, es
->undo_text
);
4629 HeapFree(GetProcessHeap(), 0, es
);
4635 static inline LRESULT
DefWindowProcT(HWND hwnd
, UINT msg
, WPARAM wParam
, LPARAM lParam
, BOOL unicode
)
4638 return DefWindowProcW(hwnd
, msg
, wParam
, lParam
);
4640 return DefWindowProcA(hwnd
, msg
, wParam
, lParam
);
4643 /*********************************************************************
4645 * EditWndProc_common
4647 * The messages are in the order of the actual integer values
4648 * (which can be found in include/windows.h)
4650 LRESULT
EditWndProc_common( HWND hwnd
, UINT msg
, WPARAM wParam
, LPARAM lParam
, BOOL unicode
)
4652 EDITSTATE
*es
= (EDITSTATE
*)GetWindowLongPtrW( hwnd
, 0 );
4655 TRACE("hwnd=%p msg=%x (%s) wparam=%lx lparam=%lx\n", hwnd
, msg
, SPY_GetMsgName(msg
, hwnd
), wParam
, lParam
);
4657 if (!es
&& msg
!= WM_NCCREATE
)
4658 return DefWindowProcT(hwnd
, msg
, wParam
, lParam
, unicode
);
4660 if (es
&& (msg
!= WM_NCDESTROY
)) EDIT_LockBuffer(es
);
4664 result
= EDIT_EM_GetSel(es
, (PUINT
)wParam
, (PUINT
)lParam
);
4668 EDIT_EM_SetSel(es
, wParam
, lParam
, FALSE
);
4669 EDIT_EM_ScrollCaret(es
);
4675 *((LPRECT
)lParam
) = es
->format_rect
;
4679 if ((es
->style
& ES_MULTILINE
) && lParam
) {
4680 EDIT_SetRectNP(es
, (LPRECT
)lParam
);
4681 EDIT_UpdateText(es
, NULL
, TRUE
);
4686 if ((es
->style
& ES_MULTILINE
) && lParam
)
4687 EDIT_SetRectNP(es
, (LPRECT
)lParam
);
4691 result
= EDIT_EM_Scroll(es
, (INT
)wParam
);
4695 result
= (LRESULT
)EDIT_EM_LineScroll(es
, (INT
)wParam
, (INT
)lParam
);
4698 case EM_SCROLLCARET
:
4699 EDIT_EM_ScrollCaret(es
);
4704 result
= ((es
->flags
& EF_MODIFIED
) != 0);
4709 es
->flags
|= EF_MODIFIED
;
4711 es
->flags
&= ~(EF_MODIFIED
| EF_UPDATE
); /* reset pending updates */
4714 case EM_GETLINECOUNT
:
4715 result
= (es
->style
& ES_MULTILINE
) ? es
->line_count
: 1;
4719 result
= (LRESULT
)EDIT_EM_LineIndex(es
, (INT
)wParam
);
4723 EDIT_EM_SetHandle(es
, (HLOCAL
)wParam
);
4727 result
= (LRESULT
)EDIT_EM_GetHandle(es
);
4731 result
= EDIT_EM_GetThumb(es
);
4734 /* these messages missing from specs */
4739 FIXME("undocumented message 0x%x, please report\n", msg
);
4740 result
= DefWindowProcW(hwnd
, msg
, wParam
, lParam
);
4744 result
= (LRESULT
)EDIT_EM_LineLength(es
, (INT
)wParam
);
4752 textW
= (LPWSTR
)lParam
;
4755 LPSTR textA
= (LPSTR
)lParam
;
4756 INT countW
= MultiByteToWideChar(CP_ACP
, 0, textA
, -1, NULL
, 0);
4757 if (!(textW
= HeapAlloc(GetProcessHeap(), 0, countW
* sizeof(WCHAR
)))) break;
4758 MultiByteToWideChar(CP_ACP
, 0, textA
, -1, textW
, countW
);
4761 EDIT_EM_ReplaceSel(es
, (BOOL
)wParam
, textW
, strlenW(textW
), TRUE
, TRUE
);
4765 HeapFree(GetProcessHeap(), 0, textW
);
4770 result
= (LRESULT
)EDIT_EM_GetLine(es
, (INT
)wParam
, (LPWSTR
)lParam
, unicode
);
4773 case EM_SETLIMITTEXT
:
4774 EDIT_EM_SetLimitText(es
, wParam
);
4778 result
= (LRESULT
)EDIT_EM_CanUndo(es
);
4783 result
= (LRESULT
)EDIT_EM_Undo(es
);
4787 result
= (LRESULT
)EDIT_EM_FmtLines(es
, (BOOL
)wParam
);
4790 case EM_LINEFROMCHAR
:
4791 result
= (LRESULT
)EDIT_EM_LineFromChar(es
, (INT
)wParam
);
4794 case EM_SETTABSTOPS
:
4795 result
= (LRESULT
)EDIT_EM_SetTabStops(es
, (INT
)wParam
, (LPINT
)lParam
);
4798 case EM_SETPASSWORDCHAR
:
4803 charW
= (WCHAR
)wParam
;
4806 CHAR charA
= wParam
;
4807 MultiByteToWideChar(CP_ACP
, 0, &charA
, 1, &charW
, 1);
4810 EDIT_EM_SetPasswordChar(es
, charW
);
4814 case EM_EMPTYUNDOBUFFER
:
4815 EDIT_EM_EmptyUndoBuffer(es
);
4818 case EM_GETFIRSTVISIBLELINE
:
4819 result
= (es
->style
& ES_MULTILINE
) ? es
->y_offset
: es
->x_offset
;
4822 case EM_SETREADONLY
:
4824 DWORD old_style
= es
->style
;
4827 SetWindowLongW( hwnd
, GWL_STYLE
,
4828 GetWindowLongW( hwnd
, GWL_STYLE
) | ES_READONLY
);
4829 es
->style
|= ES_READONLY
;
4831 SetWindowLongW( hwnd
, GWL_STYLE
,
4832 GetWindowLongW( hwnd
, GWL_STYLE
) & ~ES_READONLY
);
4833 es
->style
&= ~ES_READONLY
;
4836 if (old_style
^ es
->style
)
4837 InvalidateRect(es
->hwndSelf
, NULL
, TRUE
);
4843 case EM_SETWORDBREAKPROC
:
4844 EDIT_EM_SetWordBreakProc(es
, (void *)lParam
);
4847 case EM_GETWORDBREAKPROC
:
4848 result
= (LRESULT
)es
->word_break_proc
;
4851 case EM_GETPASSWORDCHAR
:
4854 result
= es
->password_char
;
4857 WCHAR charW
= es
->password_char
;
4859 WideCharToMultiByte(CP_ACP
, 0, &charW
, 1, &charA
, 1, NULL
, NULL
);
4866 EDIT_EM_SetMargins(es
, (INT
)wParam
, LOWORD(lParam
), HIWORD(lParam
), TRUE
);
4870 result
= MAKELONG(es
->left_margin
, es
->right_margin
);
4873 case EM_GETLIMITTEXT
:
4874 result
= es
->buffer_limit
;
4877 case EM_POSFROMCHAR
:
4878 if ((INT
)wParam
>= get_text_length(es
)) result
= -1;
4879 else result
= EDIT_EM_PosFromChar(es
, (INT
)wParam
, FALSE
);
4882 case EM_CHARFROMPOS
:
4883 result
= EDIT_EM_CharFromPos(es
, (short)LOWORD(lParam
), (short)HIWORD(lParam
));
4886 /* End of the EM_ messages which were in numerical order; what order
4887 * are these in? vaguely alphabetical?
4891 result
= EDIT_WM_NCCreate(hwnd
, (LPCREATESTRUCTW
)lParam
, unicode
);
4895 result
= EDIT_WM_NCDestroy(es
);
4900 result
= DLGC_HASSETSEL
| DLGC_WANTCHARS
| DLGC_WANTARROWS
;
4902 if (es
->style
& ES_MULTILINE
)
4903 result
|= DLGC_WANTALLKEYS
;
4907 es
->flags
|=EF_DIALOGMODE
;
4909 if (((LPMSG
)lParam
)->message
== WM_KEYDOWN
)
4911 int vk
= (int)((LPMSG
)lParam
)->wParam
;
4913 if (es
->hwndListBox
)
4915 if (vk
== VK_RETURN
|| vk
== VK_ESCAPE
)
4916 if (SendMessageW(GetParent(hwnd
), CB_GETDROPPEDSTATE
, 0, 0))
4917 result
|= DLGC_WANTMESSAGE
;
4929 strng
[0] = wParam
>> 8;
4930 strng
[1] = wParam
& 0xff;
4931 if (strng
[0]) MultiByteToWideChar(CP_ACP
, 0, strng
, 2, &charW
, 1);
4932 else MultiByteToWideChar(CP_ACP
, 0, &strng
[1], 1, &charW
, 1);
4933 result
= EDIT_WM_Char(es
, charW
);
4945 CHAR charA
= wParam
;
4946 MultiByteToWideChar(CP_ACP
, 0, &charA
, 1, &charW
, 1);
4949 if (es
->hwndListBox
)
4951 if (charW
== VK_RETURN
|| charW
== VK_ESCAPE
)
4953 if (SendMessageW(GetParent(hwnd
), CB_GETDROPPEDSTATE
, 0, 0))
4954 SendMessageW(GetParent(hwnd
), WM_KEYDOWN
, charW
, 0);
4958 result
= EDIT_WM_Char(es
, charW
);
4965 if (wParam
== UNICODE_NOCHAR
) return TRUE
;
4966 if (wParam
<= 0x000fffff)
4968 if(wParam
> 0xffff) /* convert to surrogates */
4971 EDIT_WM_Char(es
, (wParam
>> 10) + 0xd800);
4972 EDIT_WM_Char(es
, (wParam
& 0x03ff) + 0xdc00);
4974 else EDIT_WM_Char(es
, wParam
);
4984 case WM_CONTEXTMENU
:
4985 EDIT_WM_ContextMenu(es
, (short)LOWORD(lParam
), (short)HIWORD(lParam
));
4994 result
= EDIT_WM_Create(es
, ((LPCREATESTRUCTW
)lParam
)->lpszName
);
4997 LPCSTR nameA
= ((LPCREATESTRUCTA
)lParam
)->lpszName
;
4998 LPWSTR nameW
= NULL
;
5001 INT countW
= MultiByteToWideChar(CP_ACP
, 0, nameA
, -1, NULL
, 0);
5002 if((nameW
= HeapAlloc(GetProcessHeap(), 0, countW
* sizeof(WCHAR
))))
5003 MultiByteToWideChar(CP_ACP
, 0, nameA
, -1, nameW
, countW
);
5005 result
= EDIT_WM_Create(es
, nameW
);
5006 HeapFree(GetProcessHeap(), 0, nameW
);
5015 es
->bEnableState
= (BOOL
) wParam
;
5016 EDIT_UpdateText(es
, NULL
, TRUE
);
5020 /* we do the proper erase in EDIT_WM_Paint */
5025 result
= (LRESULT
)es
->font
;
5029 result
= (LRESULT
)EDIT_WM_GetText(es
, (INT
)wParam
, (LPWSTR
)lParam
, unicode
);
5032 case WM_GETTEXTLENGTH
:
5033 if (unicode
) result
= get_text_length(es
);
5034 else result
= WideCharToMultiByte( CP_ACP
, 0, es
->text
, get_text_length(es
),
5035 NULL
, 0, NULL
, NULL
);
5039 result
= EDIT_WM_HScroll(es
, LOWORD(wParam
), (short)HIWORD(wParam
));
5043 result
= EDIT_WM_KeyDown(es
, (INT
)wParam
);
5047 result
= EDIT_WM_KillFocus(es
);
5050 case WM_LBUTTONDBLCLK
:
5051 result
= EDIT_WM_LButtonDblClk(es
);
5054 case WM_LBUTTONDOWN
:
5055 result
= EDIT_WM_LButtonDown(es
, wParam
, (short)LOWORD(lParam
), (short)HIWORD(lParam
));
5059 result
= EDIT_WM_LButtonUp(es
);
5062 case WM_MBUTTONDOWN
:
5063 result
= EDIT_WM_MButtonDown(es
);
5067 result
= EDIT_WM_MouseMove(es
, (short)LOWORD(lParam
), (short)HIWORD(lParam
));
5070 case WM_PRINTCLIENT
:
5072 EDIT_WM_Paint(es
, (HDC
)wParam
);
5080 EDIT_WM_SetFocus(es
);
5084 EDIT_WM_SetFont(es
, (HFONT
)wParam
, LOWORD(lParam
) != 0);
5088 /* FIXME: actually set an internal flag and behave accordingly */
5092 EDIT_WM_SetText(es
, (LPCWSTR
)lParam
, unicode
);
5097 EDIT_WM_Size(es
, (UINT
)wParam
);
5100 case WM_STYLECHANGED
:
5101 result
= EDIT_WM_StyleChanged(es
, wParam
, (const STYLESTRUCT
*)lParam
);
5104 case WM_STYLECHANGING
:
5105 result
= 0; /* See EDIT_WM_StyleChanged */
5109 result
= EDIT_WM_SysKeyDown(es
, (INT
)wParam
, (DWORD
)lParam
);
5117 result
= EDIT_WM_VScroll(es
, LOWORD(wParam
), (short)HIWORD(wParam
));
5123 UINT pulScrollLines
= 3;
5124 SystemParametersInfoW(SPI_GETWHEELSCROLLLINES
,0, &pulScrollLines
, 0);
5126 if (wParam
& (MK_SHIFT
| MK_CONTROL
)) {
5127 result
= DefWindowProcW(hwnd
, msg
, wParam
, lParam
);
5130 wheelDelta
= GET_WHEEL_DELTA_WPARAM(wParam
);
5131 /* if scrolling changes direction, ignore left overs */
5132 if ((wheelDelta
< 0 && es
->wheelDeltaRemainder
< 0) ||
5133 (wheelDelta
> 0 && es
->wheelDeltaRemainder
> 0))
5134 es
->wheelDeltaRemainder
+= wheelDelta
;
5136 es
->wheelDeltaRemainder
= wheelDelta
;
5137 if (es
->wheelDeltaRemainder
&& pulScrollLines
)
5140 pulScrollLines
= (int) min((UINT
) es
->line_count
, pulScrollLines
);
5141 cLineScroll
= pulScrollLines
* (float)es
->wheelDeltaRemainder
/ WHEEL_DELTA
;
5142 es
->wheelDeltaRemainder
-= WHEEL_DELTA
* cLineScroll
/ (int)pulScrollLines
;
5143 result
= EDIT_EM_LineScroll(es
, 0, -cLineScroll
);
5149 /* IME messages to make the edit control IME aware */
5150 case WM_IME_SETCONTEXT
:
5153 case WM_IME_STARTCOMPOSITION
:
5154 es
->composition_start
= es
->selection_end
;
5155 es
->composition_len
= 0;
5158 case WM_IME_COMPOSITION
:
5159 EDIT_ImeComposition(hwnd
, lParam
, es
);
5162 case WM_IME_ENDCOMPOSITION
:
5163 if (es
->composition_len
> 0)
5165 EDIT_EM_ReplaceSel(es
, TRUE
, NULL
, 0, TRUE
, TRUE
);
5166 es
->selection_end
= es
->selection_start
;
5167 es
->composition_len
= 0;
5171 case WM_IME_COMPOSITIONFULL
:
5177 case WM_IME_CONTROL
:
5180 case WM_IME_REQUEST
:
5183 case IMR_QUERYCHARPOSITION
:
5186 IMECHARPOSITION
*chpos
= (IMECHARPOSITION
*)lParam
;
5188 pos
= EDIT_EM_PosFromChar(es
, es
->selection_start
+ chpos
->dwCharPos
, FALSE
);
5189 chpos
->pt
.x
= LOWORD(pos
);
5190 chpos
->pt
.y
= HIWORD(pos
);
5191 chpos
->cLineHeight
= es
->line_height
;
5192 chpos
->rcDocument
= es
->format_rect
;
5193 MapWindowPoints(hwnd
, 0, &chpos
->pt
, 1);
5194 MapWindowPoints(hwnd
, 0, (POINT
*)&chpos
->rcDocument
, 2);
5202 result
= DefWindowProcT(hwnd
, msg
, wParam
, lParam
, unicode
);
5206 if (IsWindow(hwnd
) && es
) EDIT_UnlockBuffer(es
, FALSE
);
5208 TRACE("hwnd=%p msg=%x (%s) -- 0x%08lx\n", hwnd
, msg
, SPY_GetMsgName(msg
, hwnd
), result
);
5214 /*********************************************************************
5215 * edit class descriptor
5217 static const WCHAR editW
[] = {'E','d','i','t',0};
5218 const struct builtin_class_descr EDIT_builtin_class
=
5221 CS_DBLCLKS
| CS_PARENTDC
, /* style */
5222 WINPROC_EDIT
, /* proc */
5224 sizeof(EDITSTATE
*) + sizeof(WORD
), /* extra */
5226 sizeof(EDITSTATE
*), /* extra */
5228 IDC_IBEAM
, /* cursor */