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/winbase16.h"
58 #include "wine/winuser16.h"
59 #include "wine/unicode.h"
61 #include "user_private.h"
62 #include "wine/debug.h"
64 WINE_DEFAULT_DEBUG_CHANNEL(edit
);
65 WINE_DECLARE_DEBUG_CHANNEL(combo
);
66 WINE_DECLARE_DEBUG_CHANNEL(relay
);
68 #define BUFLIMIT_INITIAL 30000 /* initial buffer size */
69 #define GROWLENGTH 32 /* buffers granularity in bytes: must be power of 2 */
70 #define ROUND_TO_GROW(size) (((size) + (GROWLENGTH - 1)) & ~(GROWLENGTH - 1))
71 #define HSCROLL_FRACTION 3 /* scroll window by 1/3 width */
74 * extra flags for EDITSTATE.flags field
76 #define EF_MODIFIED 0x0001 /* text has been modified */
77 #define EF_FOCUSED 0x0002 /* we have input focus */
78 #define EF_UPDATE 0x0004 /* notify parent of changed state */
79 #define EF_VSCROLL_TRACK 0x0008 /* don't SetScrollPos() since we are tracking the thumb */
80 #define EF_HSCROLL_TRACK 0x0010 /* don't SetScrollPos() since we are tracking the thumb */
81 #define EF_AFTER_WRAP 0x0080 /* the caret is displayed after the last character of a
82 wrapped line, instead of in front of the next character */
83 #define EF_USE_SOFTBRK 0x0100 /* Enable soft breaks in text. */
84 #define EF_APP_HAS_HANDLE 0x0200 /* Set when an app sends EM_[G|S]ETHANDLE. We are in sole control of
85 the text buffer if this is clear. */
88 END_0
= 0, /* line ends with terminating '\0' character */
89 END_WRAP
, /* line is wrapped */
90 END_HARD
, /* line ends with a hard return '\r\n' */
91 END_SOFT
, /* line ends with a soft return '\r\r\n' */
92 END_RICH
/* line ends with a single '\n' */
95 typedef struct tagLINEDEF
{
96 INT length
; /* bruto length of a line in bytes */
97 INT net_length
; /* netto length of a line in visible characters */
99 INT width
; /* width of the line in pixels */
100 INT index
; /* line index into the buffer */
101 struct tagLINEDEF
*next
;
106 BOOL is_unicode
; /* how the control was created */
107 LPWSTR text
; /* the actual contents of the control */
108 UINT text_length
; /* cached length of text buffer (in WCHARs) - use get_text_length() to retrieve */
109 UINT buffer_size
; /* the size of the buffer in characters */
110 UINT buffer_limit
; /* the maximum size to which the buffer may grow in characters */
111 HFONT font
; /* NULL means standard system font */
112 INT x_offset
; /* scroll offset for multi lines this is in pixels
113 for single lines it's in characters */
114 INT line_height
; /* height of a screen line in pixels */
115 INT char_width
; /* average character width in pixels */
116 DWORD style
; /* sane version of wnd->dwStyle */
117 WORD flags
; /* flags that are not in es->style or wnd->flags (EF_XXX) */
118 INT undo_insert_count
; /* number of characters inserted in sequence */
119 UINT undo_position
; /* character index of the insertion and deletion */
120 LPWSTR undo_text
; /* deleted text */
121 UINT undo_buffer_size
; /* size of the deleted text buffer */
122 INT selection_start
; /* == selection_end if no selection */
123 INT selection_end
; /* == current caret position */
124 WCHAR password_char
; /* == 0 if no password char, and for multi line controls */
125 INT left_margin
; /* in pixels */
126 INT right_margin
; /* in pixels */
128 INT text_width
; /* width of the widest line in pixels for multi line controls
129 and just line width for single line controls */
130 INT region_posx
; /* Position of cursor relative to region: */
131 INT region_posy
; /* -1: to left, 0: within, 1: to right */
132 EDITWORDBREAKPROC16 word_break_proc16
;
133 void *word_break_proc
; /* 32-bit word break proc: ANSI or Unicode */
134 INT line_count
; /* number of lines */
135 INT y_offset
; /* scroll offset in number of lines */
136 BOOL bCaptureState
; /* flag indicating whether mouse was captured */
137 BOOL bEnableState
; /* flag keeping the enable state */
138 HWND hwndSelf
; /* the our window handle */
139 HWND hwndParent
; /* Handle of parent for sending EN_* messages.
140 Even if parent will change, EN_* messages
141 should be sent to the first parent. */
142 HWND hwndListBox
; /* handle of ComboBox's listbox or NULL */
144 * only for multi line controls
146 INT lock_count
; /* amount of re-entries in the EditWndProc */
149 LINEDEF
*first_line_def
; /* linked list of (soft) linebreaks */
150 HLOCAL hloc32W
; /* our unicode local memory block */
151 HLOCAL16 hloc16
; /* alias for 16-bit control receiving EM_GETHANDLE16
153 HLOCAL hloc32A
; /* alias for ANSI control receiving EM_GETHANDLE
158 UINT composition_len
; /* length of composition, 0 == no composition */
159 int composition_start
; /* the character position for the composition */
163 #define SWAP_UINT32(x,y) do { UINT temp = (UINT)(x); (x) = (UINT)(y); (y) = temp; } while(0)
164 #define ORDER_UINT(x,y) do { if ((UINT)(y) < (UINT)(x)) SWAP_UINT32((x),(y)); } while(0)
166 /* used for disabled or read-only edit control */
167 #define EDIT_NOTIFY_PARENT(es, wNotifyCode) \
169 { /* Notify parent which has created this edit control */ \
170 TRACE("notification " #wNotifyCode " sent to hwnd=%p\n", es->hwndParent); \
171 SendMessageW(es->hwndParent, WM_COMMAND, \
172 MAKEWPARAM(GetWindowLongPtrW((es->hwndSelf),GWLP_ID), wNotifyCode), \
173 (LPARAM)(es->hwndSelf)); \
176 /*********************************************************************
183 * These functions have trivial implementations
184 * We still like to call them internally
185 * "static inline" makes them more like macro's
187 static inline BOOL
EDIT_EM_CanUndo(const EDITSTATE
*es
);
188 static inline void EDIT_EM_EmptyUndoBuffer(EDITSTATE
*es
);
189 static inline void EDIT_WM_Clear(EDITSTATE
*es
);
190 static inline void EDIT_WM_Cut(EDITSTATE
*es
);
193 * Helper functions only valid for one type of control
195 static void EDIT_BuildLineDefs_ML(EDITSTATE
*es
, INT iStart
, INT iEnd
, INT delta
, HRGN hrgn
);
196 static void EDIT_CalcLineWidth_SL(EDITSTATE
*es
);
197 static LPWSTR
EDIT_GetPasswordPointer_SL(EDITSTATE
*es
);
198 static void EDIT_MoveDown_ML(EDITSTATE
*es
, BOOL extend
);
199 static void EDIT_MovePageDown_ML(EDITSTATE
*es
, BOOL extend
);
200 static void EDIT_MovePageUp_ML(EDITSTATE
*es
, BOOL extend
);
201 static void EDIT_MoveUp_ML(EDITSTATE
*es
, BOOL extend
);
203 * Helper functions valid for both single line _and_ multi line controls
205 static INT
EDIT_CallWordBreakProc(EDITSTATE
*es
, INT start
, INT index
, INT count
, INT action
);
206 static INT
EDIT_CharFromPos(EDITSTATE
*es
, INT x
, INT y
, LPBOOL after_wrap
);
207 static void EDIT_ConfinePoint(const EDITSTATE
*es
, LPINT x
, LPINT y
);
208 static void EDIT_GetLineRect(EDITSTATE
*es
, INT line
, INT scol
, INT ecol
, LPRECT rc
);
209 static void EDIT_InvalidateText(EDITSTATE
*es
, INT start
, INT end
);
210 static void EDIT_LockBuffer(EDITSTATE
*es
);
211 static BOOL
EDIT_MakeFit(EDITSTATE
*es
, UINT size
);
212 static BOOL
EDIT_MakeUndoFit(EDITSTATE
*es
, UINT size
);
213 static void EDIT_MoveBackward(EDITSTATE
*es
, BOOL extend
);
214 static void EDIT_MoveEnd(EDITSTATE
*es
, BOOL extend
);
215 static void EDIT_MoveForward(EDITSTATE
*es
, BOOL extend
);
216 static void EDIT_MoveHome(EDITSTATE
*es
, BOOL extend
);
217 static void EDIT_MoveWordBackward(EDITSTATE
*es
, BOOL extend
);
218 static void EDIT_MoveWordForward(EDITSTATE
*es
, BOOL extend
);
219 static void EDIT_PaintLine(EDITSTATE
*es
, HDC hdc
, INT line
, BOOL rev
);
220 static INT
EDIT_PaintText(EDITSTATE
*es
, HDC hdc
, INT x
, INT y
, INT line
, INT col
, INT count
, BOOL rev
);
221 static void EDIT_SetCaretPos(EDITSTATE
*es
, INT pos
, BOOL after_wrap
);
222 static void EDIT_AdjustFormatRect(EDITSTATE
*es
);
223 static void EDIT_SetRectNP(EDITSTATE
*es
, const RECT
*lprc
);
224 static void EDIT_UnlockBuffer(EDITSTATE
*es
, BOOL force
);
225 static void EDIT_UpdateScrollInfo(EDITSTATE
*es
);
226 static INT CALLBACK
EDIT_WordBreakProc(LPWSTR s
, INT index
, INT count
, INT action
);
228 * EM_XXX message handlers
230 static LRESULT
EDIT_EM_CharFromPos(EDITSTATE
*es
, INT x
, INT y
);
231 static BOOL
EDIT_EM_FmtLines(EDITSTATE
*es
, BOOL add_eol
);
232 static HLOCAL
EDIT_EM_GetHandle(EDITSTATE
*es
);
233 static HLOCAL16
EDIT_EM_GetHandle16(EDITSTATE
*es
);
234 static INT
EDIT_EM_GetLine(EDITSTATE
*es
, INT line
, LPWSTR dst
, BOOL unicode
);
235 static LRESULT
EDIT_EM_GetSel(const EDITSTATE
*es
, PUINT start
, PUINT end
);
236 static LRESULT
EDIT_EM_GetThumb(EDITSTATE
*es
);
237 static INT
EDIT_EM_LineFromChar(EDITSTATE
*es
, INT index
);
238 static INT
EDIT_EM_LineIndex(const EDITSTATE
*es
, INT line
);
239 static INT
EDIT_EM_LineLength(EDITSTATE
*es
, INT index
);
240 static BOOL
EDIT_EM_LineScroll(EDITSTATE
*es
, INT dx
, INT dy
);
241 static BOOL
EDIT_EM_LineScroll_internal(EDITSTATE
*es
, INT dx
, INT dy
);
242 static LRESULT
EDIT_EM_PosFromChar(EDITSTATE
*es
, INT index
, BOOL after_wrap
);
243 static void EDIT_EM_ReplaceSel(EDITSTATE
*es
, BOOL can_undo
, LPCWSTR lpsz_replace
, BOOL send_update
, BOOL honor_limit
);
244 static LRESULT
EDIT_EM_Scroll(EDITSTATE
*es
, INT action
);
245 static void EDIT_EM_ScrollCaret(EDITSTATE
*es
);
246 static void EDIT_EM_SetHandle(EDITSTATE
*es
, HLOCAL hloc
);
247 static void EDIT_EM_SetHandle16(EDITSTATE
*es
, HLOCAL16 hloc
);
248 static void EDIT_EM_SetLimitText(EDITSTATE
*es
, UINT limit
);
249 static void EDIT_EM_SetMargins(EDITSTATE
*es
, INT action
, WORD left
, WORD right
, BOOL repaint
);
250 static void EDIT_EM_SetPasswordChar(EDITSTATE
*es
, WCHAR c
);
251 static void EDIT_EM_SetSel(EDITSTATE
*es
, UINT start
, UINT end
, BOOL after_wrap
);
252 static BOOL
EDIT_EM_SetTabStops(EDITSTATE
*es
, INT count
, const INT
*tabs
);
253 static BOOL
EDIT_EM_SetTabStops16(EDITSTATE
*es
, INT count
, const INT16
*tabs
);
254 static void EDIT_EM_SetWordBreakProc(EDITSTATE
*es
, void *wbp
);
255 static void EDIT_EM_SetWordBreakProc16(EDITSTATE
*es
, EDITWORDBREAKPROC16 wbp
);
256 static BOOL
EDIT_EM_Undo(EDITSTATE
*es
);
258 * WM_XXX message handlers
260 static LRESULT
EDIT_WM_Char(EDITSTATE
*es
, WCHAR c
);
261 static void EDIT_WM_Command(EDITSTATE
*es
, INT code
, INT id
, HWND conrtol
);
262 static void EDIT_WM_ContextMenu(EDITSTATE
*es
, INT x
, INT y
);
263 static void EDIT_WM_Copy(EDITSTATE
*es
);
264 static LRESULT
EDIT_WM_Create(EDITSTATE
*es
, LPCWSTR name
);
265 static LRESULT
EDIT_WM_Destroy(EDITSTATE
*es
);
266 static INT
EDIT_WM_GetText(const EDITSTATE
*es
, INT count
, LPWSTR dst
, BOOL unicode
);
267 static LRESULT
EDIT_WM_HScroll(EDITSTATE
*es
, INT action
, INT pos
);
268 static LRESULT
EDIT_WM_KeyDown(EDITSTATE
*es
, INT key
);
269 static LRESULT
EDIT_WM_KillFocus(EDITSTATE
*es
);
270 static LRESULT
EDIT_WM_LButtonDblClk(EDITSTATE
*es
);
271 static LRESULT
EDIT_WM_LButtonDown(EDITSTATE
*es
, DWORD keys
, INT x
, INT y
);
272 static LRESULT
EDIT_WM_LButtonUp(EDITSTATE
*es
);
273 static LRESULT
EDIT_WM_MButtonDown(EDITSTATE
*es
);
274 static LRESULT
EDIT_WM_MouseMove(EDITSTATE
*es
, INT x
, INT y
);
275 static LRESULT
EDIT_WM_NCCreate(HWND hwnd
, LPCREATESTRUCTW lpcs
, BOOL unicode
);
276 static void EDIT_WM_Paint(EDITSTATE
*es
, HDC hdc
);
277 static void EDIT_WM_Paste(EDITSTATE
*es
);
278 static void EDIT_WM_SetFocus(EDITSTATE
*es
);
279 static void EDIT_WM_SetFont(EDITSTATE
*es
, HFONT font
, BOOL redraw
);
280 static void EDIT_WM_SetText(EDITSTATE
*es
, LPCWSTR text
, BOOL unicode
);
281 static void EDIT_WM_Size(EDITSTATE
*es
, UINT action
, INT width
, INT height
);
282 static LRESULT
EDIT_WM_StyleChanged(EDITSTATE
*es
, WPARAM which
, const STYLESTRUCT
*style
);
283 static LRESULT
EDIT_WM_SysKeyDown(EDITSTATE
*es
, INT key
, DWORD key_data
);
284 static void EDIT_WM_Timer(EDITSTATE
*es
);
285 static LRESULT
EDIT_WM_VScroll(EDITSTATE
*es
, INT action
, INT pos
);
286 static void EDIT_UpdateText(EDITSTATE
*es
, const RECT
*rc
, BOOL bErase
);
287 static void EDIT_UpdateTextRegion(EDITSTATE
*es
, HRGN hrgn
, BOOL bErase
);
288 static void EDIT_ImeComposition(HWND hwnd
, LPARAM CompFlag
, EDITSTATE
*es
);
290 LRESULT WINAPI
EditWndProcA(HWND hWnd
, UINT uMsg
, WPARAM wParam
, LPARAM lParam
);
291 LRESULT WINAPI
EditWndProcW(HWND hWnd
, UINT uMsg
, WPARAM wParam
, LPARAM lParam
);
293 /*********************************************************************
294 * edit class descriptor
296 static const WCHAR editW
[] = {'E','d','i','t',0};
297 const struct builtin_class_descr EDIT_builtin_class
=
300 CS_DBLCLKS
| CS_PARENTDC
, /* style */
301 EditWndProcA
, /* procA */
302 EditWndProcW
, /* procW */
303 sizeof(EDITSTATE
*), /* extra */
304 IDC_IBEAM
, /* cursor */
309 /*********************************************************************
314 static inline BOOL
EDIT_EM_CanUndo(const EDITSTATE
*es
)
316 return (es
->undo_insert_count
|| strlenW(es
->undo_text
));
320 /*********************************************************************
325 static inline void EDIT_EM_EmptyUndoBuffer(EDITSTATE
*es
)
327 es
->undo_insert_count
= 0;
328 *es
->undo_text
= '\0';
332 /*********************************************************************
337 static inline void EDIT_WM_Clear(EDITSTATE
*es
)
339 static const WCHAR empty_stringW
[] = {0};
341 /* Protect read-only edit control from modification */
342 if(es
->style
& ES_READONLY
)
345 EDIT_EM_ReplaceSel(es
, TRUE
, empty_stringW
, TRUE
, TRUE
);
349 /*********************************************************************
354 static inline void EDIT_WM_Cut(EDITSTATE
*es
)
361 /**********************************************************************
364 * Returns the window version in case Wine emulates a later version
365 * of windows than the application expects.
367 * In a number of cases when windows runs an application that was
368 * designed for an earlier windows version, windows reverts
369 * to "old" behaviour of that earlier version.
371 * An example is a disabled edit control that needs to be painted.
372 * Old style behaviour is to send a WM_CTLCOLOREDIT message. This was
373 * changed in Win95, NT4.0 by a WM_CTLCOLORSTATIC message _only_ for
374 * applications with an expected version 0f 4.0 or higher.
377 static DWORD
get_app_version(void)
379 static DWORD version
;
382 DWORD dwEmulatedVersion
;
384 DWORD dwProcVersion
= GetProcessVersion(0);
386 info
.dwOSVersionInfoSize
= sizeof(OSVERSIONINFOW
);
387 GetVersionExW( &info
);
388 dwEmulatedVersion
= MAKELONG( info
.dwMinorVersion
, info
.dwMajorVersion
);
389 /* FIXME: this may not be 100% correct; see discussion on the
390 * wine developer list in Nov 1999 */
391 version
= dwProcVersion
< dwEmulatedVersion
? dwProcVersion
: dwEmulatedVersion
;
396 static inline UINT
get_text_length(EDITSTATE
*es
)
398 if(es
->text_length
== (UINT
)-1)
399 es
->text_length
= strlenW(es
->text
);
400 return es
->text_length
;
403 static inline void text_buffer_changed(EDITSTATE
*es
)
405 es
->text_length
= (UINT
)-1;
408 static HBRUSH
EDIT_NotifyCtlColor(EDITSTATE
*es
, HDC hdc
)
413 if ( get_app_version() >= 0x40000 && (!es
->bEnableState
|| (es
->style
& ES_READONLY
)))
414 msg
= WM_CTLCOLORSTATIC
;
416 msg
= WM_CTLCOLOREDIT
;
418 /* why do we notify to es->hwndParent, and we send this one to GetParent()? */
419 hbrush
= (HBRUSH
)SendMessageW(GetParent(es
->hwndSelf
), msg
, (WPARAM
)hdc
, (LPARAM
)es
->hwndSelf
);
421 hbrush
= (HBRUSH
)DefWindowProcW(GetParent(es
->hwndSelf
), msg
, (WPARAM
)hdc
, (LPARAM
)es
->hwndSelf
);
425 static inline LRESULT
DefWindowProcT(HWND hwnd
, UINT msg
, WPARAM wParam
, LPARAM lParam
, BOOL unicode
)
428 return DefWindowProcW(hwnd
, msg
, wParam
, lParam
);
430 return DefWindowProcA(hwnd
, msg
, wParam
, lParam
);
433 /*********************************************************************
437 * The messages are in the order of the actual integer values
438 * (which can be found in include/windows.h)
439 * Wherever possible the 16 bit versions are converted to
440 * the 32 bit ones, so that we can 'fall through' to the
441 * helper functions. These are mostly 32 bit (with a few
442 * exceptions, clearly indicated by a '16' extension to their
446 static LRESULT WINAPI
EditWndProc_common( HWND hwnd
, UINT msg
,
447 WPARAM wParam
, LPARAM lParam
, BOOL unicode
)
449 EDITSTATE
*es
= (EDITSTATE
*)GetWindowLongPtrW( hwnd
, 0 );
452 TRACE("hwnd=%p msg=%x (%s) wparam=%lx lparam=%lx\n", hwnd
, msg
, SPY_GetMsgName(msg
, hwnd
), wParam
, lParam
);
454 if (!es
&& msg
!= WM_NCCREATE
)
455 return DefWindowProcT(hwnd
, msg
, wParam
, lParam
, unicode
);
457 if (es
&& (msg
!= WM_DESTROY
)) EDIT_LockBuffer(es
);
465 result
= EDIT_EM_GetSel(es
, (PUINT
)wParam
, (PUINT
)lParam
);
469 if ((short)LOWORD(lParam
) == -1)
470 EDIT_EM_SetSel(es
, (UINT
)-1, 0, FALSE
);
472 EDIT_EM_SetSel(es
, LOWORD(lParam
), HIWORD(lParam
), FALSE
);
474 EDIT_EM_ScrollCaret(es
);
478 EDIT_EM_SetSel(es
, wParam
, lParam
, FALSE
);
479 EDIT_EM_ScrollCaret(es
);
486 RECT16
*r16
= MapSL(lParam
);
487 r16
->left
= es
->format_rect
.left
;
488 r16
->top
= es
->format_rect
.top
;
489 r16
->right
= es
->format_rect
.right
;
490 r16
->bottom
= es
->format_rect
.bottom
;
495 CopyRect((LPRECT
)lParam
, &es
->format_rect
);
499 if ((es
->style
& ES_MULTILINE
) && lParam
) {
501 RECT16
*r16
= MapSL(lParam
);
504 rc
.right
= r16
->right
;
505 rc
.bottom
= r16
->bottom
;
506 EDIT_SetRectNP(es
, &rc
);
507 EDIT_UpdateText(es
, NULL
, TRUE
);
511 if ((es
->style
& ES_MULTILINE
) && lParam
) {
512 EDIT_SetRectNP(es
, (LPRECT
)lParam
);
513 EDIT_UpdateText(es
, NULL
, TRUE
);
518 if ((es
->style
& ES_MULTILINE
) && lParam
) {
520 RECT16
*r16
= MapSL(lParam
);
523 rc
.right
= r16
->right
;
524 rc
.bottom
= r16
->bottom
;
525 EDIT_SetRectNP(es
, &rc
);
529 if ((es
->style
& ES_MULTILINE
) && lParam
)
530 EDIT_SetRectNP(es
, (LPRECT
)lParam
);
535 result
= EDIT_EM_Scroll(es
, (INT
)wParam
);
538 case EM_LINESCROLL16
:
539 wParam
= (WPARAM
)(INT
)(SHORT
)HIWORD(lParam
);
540 lParam
= (LPARAM
)(INT
)(SHORT
)LOWORD(lParam
);
543 result
= (LRESULT
)EDIT_EM_LineScroll(es
, (INT
)wParam
, (INT
)lParam
);
546 case EM_SCROLLCARET16
:
548 EDIT_EM_ScrollCaret(es
);
554 result
= ((es
->flags
& EF_MODIFIED
) != 0);
560 es
->flags
|= EF_MODIFIED
;
562 es
->flags
&= ~(EF_MODIFIED
| EF_UPDATE
); /* reset pending updates */
565 case EM_GETLINECOUNT16
:
566 case EM_GETLINECOUNT
:
567 result
= (es
->style
& ES_MULTILINE
) ? es
->line_count
: 1;
571 if ((INT16
)wParam
== -1)
575 result
= (LRESULT
)EDIT_EM_LineIndex(es
, (INT
)wParam
);
579 EDIT_EM_SetHandle16(es
, (HLOCAL16
)wParam
);
582 EDIT_EM_SetHandle(es
, (HLOCAL
)wParam
);
586 result
= (LRESULT
)EDIT_EM_GetHandle16(es
);
589 result
= (LRESULT
)EDIT_EM_GetHandle(es
);
594 result
= EDIT_EM_GetThumb(es
);
597 /* these messages missing from specs */
606 FIXME("undocumented message 0x%x, please report\n", msg
);
607 result
= DefWindowProcW(hwnd
, msg
, wParam
, lParam
);
610 case EM_LINELENGTH16
:
612 result
= (LRESULT
)EDIT_EM_LineLength(es
, (INT
)wParam
);
615 case EM_REPLACESEL16
:
616 lParam
= (LPARAM
)MapSL(lParam
);
617 unicode
= FALSE
; /* 16-bit message is always ascii */
624 textW
= (LPWSTR
)lParam
;
627 LPSTR textA
= (LPSTR
)lParam
;
628 INT countW
= MultiByteToWideChar(CP_ACP
, 0, textA
, -1, NULL
, 0);
629 if((textW
= HeapAlloc(GetProcessHeap(), 0, countW
* sizeof(WCHAR
))))
630 MultiByteToWideChar(CP_ACP
, 0, textA
, -1, textW
, countW
);
633 EDIT_EM_ReplaceSel(es
, (BOOL
)wParam
, textW
, TRUE
, TRUE
);
637 HeapFree(GetProcessHeap(), 0, textW
);
642 lParam
= (LPARAM
)MapSL(lParam
);
643 unicode
= FALSE
; /* 16-bit message is always ascii */
646 result
= (LRESULT
)EDIT_EM_GetLine(es
, (INT
)wParam
, (LPWSTR
)lParam
, unicode
);
650 case EM_SETLIMITTEXT
:
651 EDIT_EM_SetLimitText(es
, wParam
);
656 result
= (LRESULT
)EDIT_EM_CanUndo(es
);
662 result
= (LRESULT
)EDIT_EM_Undo(es
);
667 result
= (LRESULT
)EDIT_EM_FmtLines(es
, (BOOL
)wParam
);
670 case EM_LINEFROMCHAR16
:
671 case EM_LINEFROMCHAR
:
672 result
= (LRESULT
)EDIT_EM_LineFromChar(es
, (INT
)wParam
);
675 case EM_SETTABSTOPS16
:
676 result
= (LRESULT
)EDIT_EM_SetTabStops16(es
, (INT
)wParam
, MapSL(lParam
));
679 result
= (LRESULT
)EDIT_EM_SetTabStops(es
, (INT
)wParam
, (LPINT
)lParam
);
682 case EM_SETPASSWORDCHAR16
:
683 unicode
= FALSE
; /* 16-bit message is always ascii */
685 case EM_SETPASSWORDCHAR
:
690 charW
= (WCHAR
)wParam
;
694 MultiByteToWideChar(CP_ACP
, 0, &charA
, 1, &charW
, 1);
697 EDIT_EM_SetPasswordChar(es
, charW
);
701 case EM_EMPTYUNDOBUFFER16
:
702 case EM_EMPTYUNDOBUFFER
:
703 EDIT_EM_EmptyUndoBuffer(es
);
706 case EM_GETFIRSTVISIBLELINE16
:
707 result
= es
->y_offset
;
709 case EM_GETFIRSTVISIBLELINE
:
710 result
= (es
->style
& ES_MULTILINE
) ? es
->y_offset
: es
->x_offset
;
713 case EM_SETREADONLY16
:
716 SetWindowLongW( hwnd
, GWL_STYLE
,
717 GetWindowLongW( hwnd
, GWL_STYLE
) | ES_READONLY
);
718 es
->style
|= ES_READONLY
;
720 SetWindowLongW( hwnd
, GWL_STYLE
,
721 GetWindowLongW( hwnd
, GWL_STYLE
) & ~ES_READONLY
);
722 es
->style
&= ~ES_READONLY
;
727 case EM_SETWORDBREAKPROC16
:
728 EDIT_EM_SetWordBreakProc16(es
, (EDITWORDBREAKPROC16
)lParam
);
730 case EM_SETWORDBREAKPROC
:
731 EDIT_EM_SetWordBreakProc(es
, (void *)lParam
);
734 case EM_GETWORDBREAKPROC16
:
735 result
= (LRESULT
)es
->word_break_proc16
;
737 case EM_GETWORDBREAKPROC
:
738 result
= (LRESULT
)es
->word_break_proc
;
741 case EM_GETPASSWORDCHAR16
:
742 unicode
= FALSE
; /* 16-bit message is always ascii */
744 case EM_GETPASSWORDCHAR
:
747 result
= es
->password_char
;
750 WCHAR charW
= es
->password_char
;
752 WideCharToMultiByte(CP_ACP
, 0, &charW
, 1, &charA
, 1, NULL
, NULL
);
758 /* The following EM_xxx are new to win95 and don't exist for 16 bit */
761 EDIT_EM_SetMargins(es
, (INT
)wParam
, LOWORD(lParam
), HIWORD(lParam
), TRUE
);
765 result
= MAKELONG(es
->left_margin
, es
->right_margin
);
768 case EM_GETLIMITTEXT
:
769 result
= es
->buffer_limit
;
773 if ((INT
)wParam
>= get_text_length(es
)) result
= -1;
774 else result
= EDIT_EM_PosFromChar(es
, (INT
)wParam
, FALSE
);
778 result
= EDIT_EM_CharFromPos(es
, (short)LOWORD(lParam
), (short)HIWORD(lParam
));
781 /* End of the EM_ messages which were in numerical order; what order
782 * are these in? vaguely alphabetical?
786 result
= EDIT_WM_NCCreate(hwnd
, (LPCREATESTRUCTW
)lParam
, unicode
);
790 result
= EDIT_WM_Destroy(es
);
795 result
= DLGC_HASSETSEL
| DLGC_WANTCHARS
| DLGC_WANTARROWS
;
797 if (es
->style
& ES_MULTILINE
)
798 result
|= DLGC_WANTALLKEYS
;
800 if (lParam
&& (((LPMSG
)lParam
)->message
== WM_KEYDOWN
))
802 int vk
= (int)((LPMSG
)lParam
)->wParam
;
806 if (vk
== VK_RETURN
|| vk
== VK_ESCAPE
)
807 if (SendMessageW(GetParent(hwnd
), CB_GETDROPPEDSTATE
, 0, 0))
808 result
|= DLGC_WANTMESSAGE
;
815 SendMessageW(GetParent(hwnd
), WM_CLOSE
, 0, 0);
818 SendMessageW(GetParent(hwnd
), WM_NEXTDLGCTL
, (GetKeyState(VK_SHIFT
) & 0x8000), 0);
833 strng
[0] = wParam
>> 8;
834 strng
[1] = wParam
& 0xff;
835 if (strng
[0]) MultiByteToWideChar(CP_ACP
, 0, strng
, 2, &charW
, 1);
836 else MultiByteToWideChar(CP_ACP
, 0, &strng
[1], 1, &charW
, 1);
837 result
= EDIT_WM_Char(es
, charW
);
850 MultiByteToWideChar(CP_ACP
, 0, &charA
, 1, &charW
, 1);
855 if (charW
== VK_RETURN
|| charW
== VK_ESCAPE
)
857 if (SendMessageW(GetParent(hwnd
), CB_GETDROPPEDSTATE
, 0, 0))
859 SendMessageW(GetParent(hwnd
), WM_KEYDOWN
, charW
, 0);
866 if (charW
== VK_TAB
|| charW
== VK_RETURN
)
869 result
= EDIT_WM_Char(es
, charW
);
878 EDIT_WM_Command(es
, HIWORD(wParam
), LOWORD(wParam
), (HWND
)lParam
);
882 EDIT_WM_ContextMenu(es
, (short)LOWORD(lParam
), (short)HIWORD(lParam
));
891 result
= EDIT_WM_Create(es
, ((LPCREATESTRUCTW
)lParam
)->lpszName
);
894 LPCSTR nameA
= ((LPCREATESTRUCTA
)lParam
)->lpszName
;
898 INT countW
= MultiByteToWideChar(CP_ACP
, 0, nameA
, -1, NULL
, 0);
899 if((nameW
= HeapAlloc(GetProcessHeap(), 0, countW
* sizeof(WCHAR
))))
900 MultiByteToWideChar(CP_ACP
, 0, nameA
, -1, nameW
, countW
);
902 result
= EDIT_WM_Create(es
, nameW
);
903 HeapFree(GetProcessHeap(), 0, nameW
);
912 es
->bEnableState
= (BOOL
) wParam
;
913 EDIT_UpdateText(es
, NULL
, TRUE
);
917 /* we do the proper erase in EDIT_WM_Paint */
922 result
= (LRESULT
)es
->font
;
926 result
= (LRESULT
)EDIT_WM_GetText(es
, (INT
)wParam
, (LPWSTR
)lParam
, unicode
);
929 case WM_GETTEXTLENGTH
:
930 if (unicode
) result
= get_text_length(es
);
931 else result
= WideCharToMultiByte( CP_ACP
, 0, es
->text
, get_text_length(es
),
932 NULL
, 0, NULL
, NULL
);
936 result
= EDIT_WM_HScroll(es
, LOWORD(wParam
), (short)HIWORD(wParam
));
940 result
= EDIT_WM_KeyDown(es
, (INT
)wParam
);
944 result
= EDIT_WM_KillFocus(es
);
947 case WM_LBUTTONDBLCLK
:
948 result
= EDIT_WM_LButtonDblClk(es
);
952 result
= EDIT_WM_LButtonDown(es
, wParam
, (short)LOWORD(lParam
), (short)HIWORD(lParam
));
956 result
= EDIT_WM_LButtonUp(es
);
960 result
= EDIT_WM_MButtonDown(es
);
964 result
= EDIT_WM_MouseMove(es
, (short)LOWORD(lParam
), (short)HIWORD(lParam
));
969 EDIT_WM_Paint(es
, (HDC
)wParam
);
977 EDIT_WM_SetFocus(es
);
981 EDIT_WM_SetFont(es
, (HFONT
)wParam
, LOWORD(lParam
) != 0);
985 /* FIXME: actually set an internal flag and behave accordingly */
989 EDIT_WM_SetText(es
, (LPCWSTR
)lParam
, unicode
);
994 EDIT_WM_Size(es
, (UINT
)wParam
, LOWORD(lParam
), HIWORD(lParam
));
997 case WM_STYLECHANGED
:
998 result
= EDIT_WM_StyleChanged(es
, wParam
, (const STYLESTRUCT
*)lParam
);
1001 case WM_STYLECHANGING
:
1002 result
= 0; /* See EDIT_WM_StyleChanged */
1006 result
= EDIT_WM_SysKeyDown(es
, (INT
)wParam
, (DWORD
)lParam
);
1014 result
= EDIT_WM_VScroll(es
, LOWORD(wParam
), (short)HIWORD(wParam
));
1019 int gcWheelDelta
= 0;
1020 UINT pulScrollLines
= 3;
1021 SystemParametersInfoW(SPI_GETWHEELSCROLLLINES
,0, &pulScrollLines
, 0);
1023 if (wParam
& (MK_SHIFT
| MK_CONTROL
)) {
1024 result
= DefWindowProcW(hwnd
, msg
, wParam
, lParam
);
1027 gcWheelDelta
-= GET_WHEEL_DELTA_WPARAM(wParam
);
1028 if (abs(gcWheelDelta
) >= WHEEL_DELTA
&& pulScrollLines
)
1030 int cLineScroll
= (int) min((UINT
) es
->line_count
, pulScrollLines
);
1031 cLineScroll
*= (gcWheelDelta
/ WHEEL_DELTA
);
1032 result
= EDIT_EM_LineScroll(es
, 0, cLineScroll
);
1038 /* IME messages to make the edit control IME aware */
1039 case WM_IME_SETCONTEXT
:
1042 case WM_IME_STARTCOMPOSITION
:
1044 * FIXME in IME: This message is not always sent like it should be
1046 if (es
->selection_start
!= es
->selection_end
)
1048 static const WCHAR empty_stringW
[] = {0};
1049 EDIT_EM_ReplaceSel(es
, TRUE
, empty_stringW
, TRUE
, TRUE
);
1051 es
->composition_start
= es
->selection_end
;
1052 es
->composition_len
= 0;
1055 case WM_IME_COMPOSITION
:
1057 int caret_pos
= es
->selection_end
;
1058 if (es
->composition_len
== 0)
1060 if (es
->selection_start
!= es
->selection_end
)
1062 static const WCHAR empty_stringW
[] = {0};
1063 EDIT_EM_ReplaceSel(es
, TRUE
, empty_stringW
, TRUE
, TRUE
);
1066 es
->composition_start
= es
->selection_end
;
1068 EDIT_ImeComposition(hwnd
,lParam
,es
);
1069 EDIT_SetCaretPos(es
, caret_pos
, es
->flags
& EF_AFTER_WRAP
);
1073 case WM_IME_ENDCOMPOSITION
:
1074 es
->composition_len
= 0;
1077 case WM_IME_COMPOSITIONFULL
:
1083 case WM_IME_CONTROL
:
1087 result
= DefWindowProcT(hwnd
, msg
, wParam
, lParam
, unicode
);
1091 if (es
) EDIT_UnlockBuffer(es
, FALSE
);
1093 TRACE("hwnd=%p msg=%x (%s) -- 0x%08lx\n", hwnd
, msg
, SPY_GetMsgName(msg
, hwnd
), result
);
1098 /*********************************************************************
1100 * EditWndProcW (USER32.@)
1102 LRESULT WINAPI
EditWndProcW(HWND hWnd
, UINT uMsg
, WPARAM wParam
, LPARAM lParam
)
1104 return EditWndProc_common(hWnd
, uMsg
, wParam
, lParam
, TRUE
);
1107 /*********************************************************************
1109 * EditWndProc (USER32.@)
1111 LRESULT WINAPI
EditWndProcA(HWND hWnd
, UINT uMsg
, WPARAM wParam
, LPARAM lParam
)
1113 return EditWndProc_common(hWnd
, uMsg
, wParam
, lParam
, FALSE
);
1116 /*********************************************************************
1118 * EDIT_BuildLineDefs_ML
1120 * Build linked list of text lines.
1121 * Lines can end with '\0' (last line), a character (if it is wrapped),
1122 * a soft return '\r\r\n' or a hard return '\r\n'
1125 static void EDIT_BuildLineDefs_ML(EDITSTATE
*es
, INT istart
, INT iend
, INT delta
, HRGN hrgn
)
1129 LPWSTR current_position
, cp
;
1131 LINEDEF
*current_line
;
1132 LINEDEF
*previous_line
;
1133 LINEDEF
*start_line
;
1134 INT line_index
= 0, nstart_line
= 0, nstart_index
= 0;
1135 INT line_count
= es
->line_count
;
1136 INT orig_net_length
;
1139 if (istart
== iend
&& delta
== 0)
1142 dc
= GetDC(es
->hwndSelf
);
1144 old_font
= SelectObject(dc
, es
->font
);
1146 previous_line
= NULL
;
1147 current_line
= es
->first_line_def
;
1149 /* Find starting line. istart must lie inside an existing line or
1150 * at the end of buffer */
1152 if (istart
< current_line
->index
+ current_line
->length
||
1153 current_line
->ending
== END_0
)
1156 previous_line
= current_line
;
1157 current_line
= current_line
->next
;
1159 } while (current_line
);
1161 if (!current_line
) /* Error occurred start is not inside previous buffer */
1163 FIXME(" modification occurred outside buffer\n");
1164 ReleaseDC(es
->hwndSelf
, dc
);
1168 /* Remember start of modifications in order to calculate update region */
1169 nstart_line
= line_index
;
1170 nstart_index
= current_line
->index
;
1172 /* We must start to reformat from the previous line since the modifications
1173 * may have caused the line to wrap upwards. */
1174 if (!(es
->style
& ES_AUTOHSCROLL
) && line_index
> 0)
1177 current_line
= previous_line
;
1179 start_line
= current_line
;
1181 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
1182 current_position
= es
->text
+ current_line
->index
;
1184 if (current_line
!= start_line
)
1186 if (!current_line
|| current_line
->index
+ delta
> current_position
- es
->text
)
1188 /* The buffer has been expanded, create a new line and
1189 insert it into the link list */
1190 LINEDEF
*new_line
= HeapAlloc(GetProcessHeap(), 0, sizeof(LINEDEF
));
1191 new_line
->next
= previous_line
->next
;
1192 previous_line
->next
= new_line
;
1193 current_line
= new_line
;
1196 else if (current_line
->index
+ delta
< current_position
- es
->text
)
1198 /* The previous line merged with this line so we delete this extra entry */
1199 previous_line
->next
= current_line
->next
;
1200 HeapFree(GetProcessHeap(), 0, current_line
);
1201 current_line
= previous_line
->next
;
1205 else /* current_line->index + delta == current_position */
1207 if (current_position
- es
->text
> iend
)
1208 break; /* We reached end of line modifications */
1209 /* else recalulate this line */
1213 current_line
->index
= current_position
- es
->text
;
1214 orig_net_length
= current_line
->net_length
;
1216 /* Find end of line */
1217 cp
= current_position
;
1219 if (*cp
== '\n') break;
1220 if ((*cp
== '\r') && (*(cp
+ 1) == '\n'))
1225 /* Mark type of line termination */
1227 current_line
->ending
= END_0
;
1228 current_line
->net_length
= strlenW(current_position
);
1229 } else if ((cp
> current_position
) && (*(cp
- 1) == '\r')) {
1230 current_line
->ending
= END_SOFT
;
1231 current_line
->net_length
= cp
- current_position
- 1;
1232 } else if (*cp
== '\n') {
1233 current_line
->ending
= END_RICH
;
1234 current_line
->net_length
= cp
- current_position
;
1236 current_line
->ending
= END_HARD
;
1237 current_line
->net_length
= cp
- current_position
;
1240 /* Calculate line width */
1241 current_line
->width
= (INT
)LOWORD(GetTabbedTextExtentW(dc
,
1242 current_position
, current_line
->net_length
,
1243 es
->tabs_count
, es
->tabs
));
1245 /* FIXME: check here for lines that are too wide even in AUTOHSCROLL (> 32767 ???) */
1246 if (!(es
->style
& ES_AUTOHSCROLL
)) {
1247 if (current_line
->width
> fw
) {
1252 next
= EDIT_CallWordBreakProc(es
, current_position
- es
->text
,
1253 prev
+ 1, current_line
->net_length
, WB_RIGHT
);
1254 current_line
->width
= (INT
)LOWORD(GetTabbedTextExtentW(dc
,
1255 current_position
, next
, es
->tabs_count
, es
->tabs
));
1256 } while (current_line
->width
<= fw
);
1257 if (!prev
) { /* Didn't find a line break so force a break */
1262 current_line
->width
= (INT
)LOWORD(GetTabbedTextExtentW(dc
,
1263 current_position
, next
, es
->tabs_count
, es
->tabs
));
1264 } while (current_line
->width
<= fw
);
1269 /* If the first line we are calculating, wrapped before istart, we must
1270 * adjust istart in order for this to be reflected in the update region. */
1271 if (current_line
->index
== nstart_index
&& istart
> current_line
->index
+ prev
)
1272 istart
= current_line
->index
+ prev
;
1273 /* else if we are updating the previous line before the first line we
1274 * are re-calculating and it expanded */
1275 else if (current_line
== start_line
&&
1276 current_line
->index
!= nstart_index
&& orig_net_length
< prev
)
1278 /* Line expanded due to an upwards line wrap so we must partially include
1279 * previous line in update region */
1280 nstart_line
= line_index
;
1281 nstart_index
= current_line
->index
;
1282 istart
= current_line
->index
+ orig_net_length
;
1285 current_line
->net_length
= prev
;
1286 current_line
->ending
= END_WRAP
;
1287 current_line
->width
= (INT
)LOWORD(GetTabbedTextExtentW(dc
, current_position
,
1288 current_line
->net_length
, es
->tabs_count
, es
->tabs
));
1290 else if (orig_net_length
< current_line
->net_length
&&
1291 current_line
== start_line
&&
1292 current_line
->index
!= nstart_index
) {
1293 /* The previous line expanded but it's still not as wide as the client rect */
1294 /* The expansion is due to an upwards line wrap so we must partially include
1295 it in the update region */
1296 nstart_line
= line_index
;
1297 nstart_index
= current_line
->index
;
1298 istart
= current_line
->index
+ orig_net_length
;
1303 /* Adjust length to include line termination */
1304 switch (current_line
->ending
) {
1306 current_line
->length
= current_line
->net_length
+ 3;
1309 current_line
->length
= current_line
->net_length
+ 1;
1312 current_line
->length
= current_line
->net_length
+ 2;
1316 current_line
->length
= current_line
->net_length
;
1319 es
->text_width
= max(es
->text_width
, current_line
->width
);
1320 current_position
+= current_line
->length
;
1321 previous_line
= current_line
;
1322 current_line
= current_line
->next
;
1324 } while (previous_line
->ending
!= END_0
);
1326 /* Finish adjusting line indexes by delta or remove hanging lines */
1327 if (previous_line
->ending
== END_0
)
1329 LINEDEF
*pnext
= NULL
;
1331 previous_line
->next
= NULL
;
1332 while (current_line
)
1334 pnext
= current_line
->next
;
1335 HeapFree(GetProcessHeap(), 0, current_line
);
1336 current_line
= pnext
;
1340 else if (delta
!= 0)
1342 while (current_line
)
1344 current_line
->index
+= delta
;
1345 current_line
= current_line
->next
;
1349 /* Calculate rest of modification rectangle */
1354 * We calculate two rectangles. One for the first line which may have
1355 * an indent with respect to the format rect. The other is a format-width
1356 * rectangle that spans the rest of the lines that changed or moved.
1358 rc
.top
= es
->format_rect
.top
+ nstart_line
* es
->line_height
-
1359 (es
->y_offset
* es
->line_height
); /* Adjust for vertical scrollbar */
1360 rc
.bottom
= rc
.top
+ es
->line_height
;
1361 if ((es
->style
& ES_CENTER
) || (es
->style
& ES_RIGHT
))
1362 rc
.left
= es
->format_rect
.left
;
1364 rc
.left
= es
->format_rect
.left
+ (INT
)LOWORD(GetTabbedTextExtentW(dc
,
1365 es
->text
+ nstart_index
, istart
- nstart_index
,
1366 es
->tabs_count
, es
->tabs
)) - es
->x_offset
; /* Adjust for horz scroll */
1367 rc
.right
= es
->format_rect
.right
;
1368 SetRectRgn(hrgn
, rc
.left
, rc
.top
, rc
.right
, rc
.bottom
);
1371 rc
.left
= es
->format_rect
.left
;
1372 rc
.right
= es
->format_rect
.right
;
1374 * If lines were added or removed we must re-paint the remainder of the
1375 * lines since the remaining lines were either shifted up or down.
1377 if (line_count
< es
->line_count
) /* We added lines */
1378 rc
.bottom
= es
->line_count
* es
->line_height
;
1379 else if (line_count
> es
->line_count
) /* We removed lines */
1380 rc
.bottom
= line_count
* es
->line_height
;
1382 rc
.bottom
= line_index
* es
->line_height
;
1383 rc
.bottom
+= es
->format_rect
.top
;
1384 rc
.bottom
-= (es
->y_offset
* es
->line_height
); /* Adjust for vertical scrollbar */
1385 tmphrgn
= CreateRectRgn(rc
.left
, rc
.top
, rc
.right
, rc
.bottom
);
1386 CombineRgn(hrgn
, hrgn
, tmphrgn
, RGN_OR
);
1387 DeleteObject(tmphrgn
);
1391 SelectObject(dc
, old_font
);
1393 ReleaseDC(es
->hwndSelf
, dc
);
1396 /*********************************************************************
1398 * EDIT_CalcLineWidth_SL
1401 static void EDIT_CalcLineWidth_SL(EDITSTATE
*es
)
1408 text
= EDIT_GetPasswordPointer_SL(es
);
1410 dc
= GetDC(es
->hwndSelf
);
1412 old_font
= SelectObject(dc
, es
->font
);
1414 GetTextExtentPoint32W(dc
, text
, strlenW(text
), &size
);
1417 SelectObject(dc
, old_font
);
1418 ReleaseDC(es
->hwndSelf
, dc
);
1420 if (es
->style
& ES_PASSWORD
)
1421 HeapFree(GetProcessHeap(), 0, text
);
1423 es
->text_width
= size
.cx
;
1426 /*********************************************************************
1428 * EDIT_CallWordBreakProc
1430 * Call appropriate WordBreakProc (internal or external).
1432 * Note: The "start" argument should always be an index referring
1433 * to es->text. The actual wordbreak proc might be
1434 * 16 bit, so we can't always pass any 32 bit LPSTR.
1435 * Hence we assume that es->text is the buffer that holds
1436 * the string under examination (we can decide this for ourselves).
1439 static INT
EDIT_CallWordBreakProc(EDITSTATE
*es
, INT start
, INT index
, INT count
, INT action
)
1443 if (es
->word_break_proc16
) {
1450 countA
= WideCharToMultiByte(CP_ACP
, 0, es
->text
+ start
, count
, NULL
, 0, NULL
, NULL
);
1451 hglob16
= GlobalAlloc16(GMEM_MOVEABLE
| GMEM_ZEROINIT
, countA
);
1452 segptr
= WOWGlobalLock16(hglob16
);
1453 WideCharToMultiByte(CP_ACP
, 0, es
->text
+ start
, count
, MapSL(segptr
), countA
, NULL
, NULL
);
1454 args
[4] = SELECTOROF(segptr
);
1455 args
[3] = OFFSETOF(segptr
);
1459 WOWCallback16Ex((DWORD
)es
->word_break_proc16
, WCB16_PASCAL
, sizeof(args
), args
, &result
);
1460 ret
= LOWORD(result
);
1461 GlobalUnlock16(hglob16
);
1462 GlobalFree16(hglob16
);
1464 else if (es
->word_break_proc
)
1468 EDITWORDBREAKPROCW wbpW
= (EDITWORDBREAKPROCW
)es
->word_break_proc
;
1470 TRACE_(relay
)("(UNICODE wordbrk=%p,str=%s,idx=%d,cnt=%d,act=%d)\n",
1471 es
->word_break_proc
, debugstr_wn(es
->text
+ start
, count
), index
, count
, action
);
1472 ret
= wbpW(es
->text
+ start
, index
, count
, action
);
1476 EDITWORDBREAKPROCA wbpA
= (EDITWORDBREAKPROCA
)es
->word_break_proc
;
1480 countA
= WideCharToMultiByte(CP_ACP
, 0, es
->text
+ start
, count
, NULL
, 0, NULL
, NULL
);
1481 textA
= HeapAlloc(GetProcessHeap(), 0, countA
);
1482 WideCharToMultiByte(CP_ACP
, 0, es
->text
+ start
, count
, textA
, countA
, NULL
, NULL
);
1483 TRACE_(relay
)("(ANSI wordbrk=%p,str=%s,idx=%d,cnt=%d,act=%d)\n",
1484 es
->word_break_proc
, debugstr_an(textA
, countA
), index
, countA
, action
);
1485 ret
= wbpA(textA
, index
, countA
, action
);
1486 HeapFree(GetProcessHeap(), 0, textA
);
1490 ret
= EDIT_WordBreakProc(es
->text
+ start
, index
, count
, action
);
1496 /*********************************************************************
1500 * Beware: This is not the function called on EM_CHARFROMPOS
1501 * The position _can_ be outside the formatting / client
1503 * The return value is only the character index
1506 static INT
EDIT_CharFromPos(EDITSTATE
*es
, INT x
, INT y
, LPBOOL after_wrap
)
1511 INT x_high
= 0, x_low
= 0;
1513 if (es
->style
& ES_MULTILINE
) {
1514 INT line
= (y
- es
->format_rect
.top
) / es
->line_height
+ es
->y_offset
;
1516 LINEDEF
*line_def
= es
->first_line_def
;
1518 while ((line
> 0) && line_def
->next
) {
1519 line_index
+= line_def
->length
;
1520 line_def
= line_def
->next
;
1523 x
+= es
->x_offset
- es
->format_rect
.left
;
1524 if (es
->style
& ES_RIGHT
)
1525 x
-= (es
->format_rect
.right
- es
->format_rect
.left
) - line_def
->width
;
1526 else if (es
->style
& ES_CENTER
)
1527 x
-= ((es
->format_rect
.right
- es
->format_rect
.left
) - line_def
->width
) / 2;
1528 if (x
>= line_def
->width
) {
1530 *after_wrap
= (line_def
->ending
== END_WRAP
);
1531 return line_index
+ line_def
->net_length
;
1535 *after_wrap
= FALSE
;
1538 dc
= GetDC(es
->hwndSelf
);
1540 old_font
= SelectObject(dc
, es
->font
);
1542 high
= line_index
+ line_def
->net_length
+ 1;
1543 while (low
< high
- 1)
1545 INT mid
= (low
+ high
) / 2;
1546 INT x_now
= LOWORD(GetTabbedTextExtentW(dc
, es
->text
+ line_index
, mid
- line_index
, es
->tabs_count
, es
->tabs
));
1555 if (abs(x_high
- x
) + 1 <= abs(x_low
- x
))
1561 *after_wrap
= ((index
== line_index
+ line_def
->net_length
) &&
1562 (line_def
->ending
== END_WRAP
));
1567 *after_wrap
= FALSE
;
1568 x
-= es
->format_rect
.left
;
1570 return es
->x_offset
;
1574 INT indent
= (es
->format_rect
.right
- es
->format_rect
.left
) - es
->text_width
;
1575 if (es
->style
& ES_RIGHT
)
1577 else if (es
->style
& ES_CENTER
)
1581 text
= EDIT_GetPasswordPointer_SL(es
);
1582 dc
= GetDC(es
->hwndSelf
);
1584 old_font
= SelectObject(dc
, es
->font
);
1588 INT high
= es
->x_offset
;
1589 while (low
< high
- 1)
1591 INT mid
= (low
+ high
) / 2;
1592 GetTextExtentPoint32W( dc
, text
+ mid
,
1593 es
->x_offset
- mid
, &size
);
1602 if (abs(x_high
+ x
) <= abs(x_low
+ x
) + 1)
1609 INT low
= es
->x_offset
;
1610 INT high
= get_text_length(es
) + 1;
1611 while (low
< high
- 1)
1613 INT mid
= (low
+ high
) / 2;
1614 GetTextExtentPoint32W( dc
, text
+ es
->x_offset
,
1615 mid
- es
->x_offset
, &size
);
1624 if (abs(x_high
- x
) <= abs(x_low
- x
) + 1)
1629 if (es
->style
& ES_PASSWORD
)
1630 HeapFree(GetProcessHeap(), 0, text
);
1633 SelectObject(dc
, old_font
);
1634 ReleaseDC(es
->hwndSelf
, dc
);
1639 /*********************************************************************
1643 * adjusts the point to be within the formatting rectangle
1644 * (so CharFromPos returns the nearest _visible_ character)
1647 static void EDIT_ConfinePoint(const EDITSTATE
*es
, LPINT x
, LPINT y
)
1649 *x
= min(max(*x
, es
->format_rect
.left
), es
->format_rect
.right
- 1);
1650 *y
= min(max(*y
, es
->format_rect
.top
), es
->format_rect
.bottom
- 1);
1654 /*********************************************************************
1658 * Calculates the bounding rectangle for a line from a starting
1659 * column to an ending column.
1662 static void EDIT_GetLineRect(EDITSTATE
*es
, INT line
, INT scol
, INT ecol
, LPRECT rc
)
1664 INT line_index
= EDIT_EM_LineIndex(es
, line
);
1666 if (es
->style
& ES_MULTILINE
)
1667 rc
->top
= es
->format_rect
.top
+ (line
- es
->y_offset
) * es
->line_height
;
1669 rc
->top
= es
->format_rect
.top
;
1670 rc
->bottom
= rc
->top
+ es
->line_height
;
1671 rc
->left
= (scol
== 0) ? es
->format_rect
.left
: (short)LOWORD(EDIT_EM_PosFromChar(es
, line_index
+ scol
, TRUE
));
1672 rc
->right
= (ecol
== -1) ? es
->format_rect
.right
: (short)LOWORD(EDIT_EM_PosFromChar(es
, line_index
+ ecol
, TRUE
));
1676 /*********************************************************************
1678 * EDIT_GetPasswordPointer_SL
1680 * note: caller should free the (optionally) allocated buffer
1683 static LPWSTR
EDIT_GetPasswordPointer_SL(EDITSTATE
*es
)
1685 if (es
->style
& ES_PASSWORD
) {
1686 INT len
= get_text_length(es
);
1687 LPWSTR text
= HeapAlloc(GetProcessHeap(), 0, (len
+ 1) * sizeof(WCHAR
));
1689 while(len
) text
[--len
] = es
->password_char
;
1696 /*********************************************************************
1700 * This acts as a LocalLock16(), but it locks only once. This way
1701 * you can call it whenever you like, without unlocking.
1703 * Initially the edit control allocates a HLOCAL32 buffer
1704 * (32 bit linear memory handler). However, 16 bit application
1705 * might send an EM_GETHANDLE message and expect a HLOCAL16 (16 bit SEG:OFF
1706 * handler). From that moment on we have to keep using this 16 bit memory
1707 * handler, because it is supposed to be valid at all times after EM_GETHANDLE.
1708 * What we do is create a HLOCAL16 buffer, copy the text, and do pointer
1712 static void EDIT_LockBuffer(EDITSTATE
*es
)
1714 STACK16FRAME
* stack16
= MapSL(PtrToUlong(NtCurrentTeb()->WOW32Reserved
));
1715 HINSTANCE16 hInstance
= GetWindowLongPtrW( es
->hwndSelf
, GWLP_HINSTANCE
);
1720 BOOL _16bit
= FALSE
;
1726 TRACE("Synchronizing with 32-bit ANSI buffer\n");
1727 textA
= LocalLock(es
->hloc32A
);
1728 countA
= strlen(textA
) + 1;
1732 HANDLE16 oldDS
= stack16
->ds
;
1733 TRACE("Synchronizing with 16-bit ANSI buffer\n");
1734 stack16
->ds
= hInstance
;
1735 textA
= MapSL(LocalLock16(es
->hloc16
));
1736 stack16
->ds
= oldDS
;
1737 countA
= strlen(textA
) + 1;
1742 ERR("no buffer ... please report\n");
1749 UINT countW_new
= MultiByteToWideChar(CP_ACP
, 0, textA
, countA
, NULL
, 0);
1750 TRACE("%d bytes translated to %d WCHARs\n", countA
, countW_new
);
1751 if(countW_new
> es
->buffer_size
+ 1)
1753 UINT alloc_size
= ROUND_TO_GROW(countW_new
* sizeof(WCHAR
));
1754 TRACE("Resizing 32-bit UNICODE buffer from %d+1 to %d WCHARs\n", es
->buffer_size
, countW_new
);
1755 hloc32W_new
= LocalReAlloc(es
->hloc32W
, alloc_size
, LMEM_MOVEABLE
| LMEM_ZEROINIT
);
1758 es
->hloc32W
= hloc32W_new
;
1759 es
->buffer_size
= LocalSize(hloc32W_new
)/sizeof(WCHAR
) - 1;
1760 TRACE("Real new size %d+1 WCHARs\n", es
->buffer_size
);
1763 WARN("FAILED! Will synchronize partially\n");
1767 /*TRACE("Locking 32-bit UNICODE buffer\n");*/
1768 es
->text
= LocalLock(es
->hloc32W
);
1772 MultiByteToWideChar(CP_ACP
, 0, textA
, countA
, es
->text
, es
->buffer_size
+ 1);
1775 HANDLE16 oldDS
= stack16
->ds
;
1776 stack16
->ds
= hInstance
;
1777 LocalUnlock16(es
->hloc16
);
1778 stack16
->ds
= oldDS
;
1781 LocalUnlock(es
->hloc32A
);
1784 if(es
->flags
& EF_APP_HAS_HANDLE
) text_buffer_changed(es
);
1789 /*********************************************************************
1791 * EDIT_SL_InvalidateText
1793 * Called from EDIT_InvalidateText().
1794 * Does the job for single-line controls only.
1797 static void EDIT_SL_InvalidateText(EDITSTATE
*es
, INT start
, INT end
)
1802 EDIT_GetLineRect(es
, 0, start
, end
, &line_rect
);
1803 if (IntersectRect(&rc
, &line_rect
, &es
->format_rect
))
1804 EDIT_UpdateText(es
, &rc
, TRUE
);
1808 /*********************************************************************
1810 * EDIT_ML_InvalidateText
1812 * Called from EDIT_InvalidateText().
1813 * Does the job for multi-line controls only.
1816 static void EDIT_ML_InvalidateText(EDITSTATE
*es
, INT start
, INT end
)
1818 INT vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
1819 INT sl
= EDIT_EM_LineFromChar(es
, start
);
1820 INT el
= EDIT_EM_LineFromChar(es
, end
);
1829 if ((el
< es
->y_offset
) || (sl
> es
->y_offset
+ vlc
))
1832 sc
= start
- EDIT_EM_LineIndex(es
, sl
);
1833 ec
= end
- EDIT_EM_LineIndex(es
, el
);
1834 if (sl
< es
->y_offset
) {
1838 if (el
> es
->y_offset
+ vlc
) {
1839 el
= es
->y_offset
+ vlc
;
1840 ec
= EDIT_EM_LineLength(es
, EDIT_EM_LineIndex(es
, el
));
1842 GetClientRect(es
->hwndSelf
, &rc1
);
1843 IntersectRect(&rcWnd
, &rc1
, &es
->format_rect
);
1845 EDIT_GetLineRect(es
, sl
, sc
, ec
, &rcLine
);
1846 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1847 EDIT_UpdateText(es
, &rcUpdate
, TRUE
);
1849 EDIT_GetLineRect(es
, sl
, sc
,
1850 EDIT_EM_LineLength(es
,
1851 EDIT_EM_LineIndex(es
, sl
)),
1853 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1854 EDIT_UpdateText(es
, &rcUpdate
, TRUE
);
1855 for (l
= sl
+ 1 ; l
< el
; l
++) {
1856 EDIT_GetLineRect(es
, l
, 0,
1857 EDIT_EM_LineLength(es
,
1858 EDIT_EM_LineIndex(es
, l
)),
1860 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1861 EDIT_UpdateText(es
, &rcUpdate
, TRUE
);
1863 EDIT_GetLineRect(es
, el
, 0, ec
, &rcLine
);
1864 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1865 EDIT_UpdateText(es
, &rcUpdate
, TRUE
);
1870 /*********************************************************************
1872 * EDIT_InvalidateText
1874 * Invalidate the text from offset start up to, but not including,
1875 * offset end. Useful for (re)painting the selection.
1876 * Regions outside the linewidth are not invalidated.
1877 * end == -1 means end == TextLength.
1878 * start and end need not be ordered.
1881 static void EDIT_InvalidateText(EDITSTATE
*es
, INT start
, INT end
)
1887 end
= get_text_length(es
);
1895 if (es
->style
& ES_MULTILINE
)
1896 EDIT_ML_InvalidateText(es
, start
, end
);
1898 EDIT_SL_InvalidateText(es
, start
, end
);
1902 /*********************************************************************
1906 * Try to fit size + 1 characters in the buffer.
1908 static BOOL
EDIT_MakeFit(EDITSTATE
*es
, UINT size
)
1912 if (size
<= es
->buffer_size
)
1915 TRACE("trying to ReAlloc to %d+1 characters\n", size
);
1917 /* Force edit to unlock it's buffer. es->text now NULL */
1918 EDIT_UnlockBuffer(es
, TRUE
);
1921 UINT alloc_size
= ROUND_TO_GROW((size
+ 1) * sizeof(WCHAR
));
1922 if ((hNew32W
= LocalReAlloc(es
->hloc32W
, alloc_size
, LMEM_MOVEABLE
| LMEM_ZEROINIT
))) {
1923 TRACE("Old 32 bit handle %p, new handle %p\n", es
->hloc32W
, hNew32W
);
1924 es
->hloc32W
= hNew32W
;
1925 es
->buffer_size
= LocalSize(hNew32W
)/sizeof(WCHAR
) - 1;
1929 EDIT_LockBuffer(es
);
1931 if (es
->buffer_size
< size
) {
1932 WARN("FAILED ! We now have %d+1\n", es
->buffer_size
);
1933 EDIT_NOTIFY_PARENT(es
, EN_ERRSPACE
);
1936 TRACE("We now have %d+1\n", es
->buffer_size
);
1942 /*********************************************************************
1946 * Try to fit size + 1 bytes in the undo buffer.
1949 static BOOL
EDIT_MakeUndoFit(EDITSTATE
*es
, UINT size
)
1953 if (size
<= es
->undo_buffer_size
)
1956 TRACE("trying to ReAlloc to %d+1\n", size
);
1958 alloc_size
= ROUND_TO_GROW((size
+ 1) * sizeof(WCHAR
));
1959 if ((es
->undo_text
= HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, es
->undo_text
, alloc_size
))) {
1960 es
->undo_buffer_size
= alloc_size
/sizeof(WCHAR
) - 1;
1965 WARN("FAILED ! We now have %d+1\n", es
->undo_buffer_size
);
1971 /*********************************************************************
1976 static void EDIT_MoveBackward(EDITSTATE
*es
, BOOL extend
)
1978 INT e
= es
->selection_end
;
1982 if ((es
->style
& ES_MULTILINE
) && e
&&
1983 (es
->text
[e
- 1] == '\r') && (es
->text
[e
] == '\n')) {
1985 if (e
&& (es
->text
[e
- 1] == '\r'))
1989 EDIT_EM_SetSel(es
, extend
? es
->selection_start
: e
, e
, FALSE
);
1990 EDIT_EM_ScrollCaret(es
);
1994 /*********************************************************************
1998 * Only for multi line controls
1999 * Move the caret one line down, on a column with the nearest
2000 * x coordinate on the screen (might be a different column).
2003 static void EDIT_MoveDown_ML(EDITSTATE
*es
, BOOL extend
)
2005 INT s
= es
->selection_start
;
2006 INT e
= es
->selection_end
;
2007 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
2008 LRESULT pos
= EDIT_EM_PosFromChar(es
, e
, after_wrap
);
2009 INT x
= (short)LOWORD(pos
);
2010 INT y
= (short)HIWORD(pos
);
2012 e
= EDIT_CharFromPos(es
, x
, y
+ es
->line_height
, &after_wrap
);
2015 EDIT_EM_SetSel(es
, s
, e
, after_wrap
);
2016 EDIT_EM_ScrollCaret(es
);
2020 /*********************************************************************
2025 static void EDIT_MoveEnd(EDITSTATE
*es
, BOOL extend
)
2027 BOOL after_wrap
= FALSE
;
2030 /* Pass a high value in x to make sure of receiving the end of the line */
2031 if (es
->style
& ES_MULTILINE
)
2032 e
= EDIT_CharFromPos(es
, 0x3fffffff,
2033 HIWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
)), &after_wrap
);
2035 e
= get_text_length(es
);
2036 EDIT_EM_SetSel(es
, extend
? es
->selection_start
: e
, e
, after_wrap
);
2037 EDIT_EM_ScrollCaret(es
);
2041 /*********************************************************************
2046 static void EDIT_MoveForward(EDITSTATE
*es
, BOOL extend
)
2048 INT e
= es
->selection_end
;
2052 if ((es
->style
& ES_MULTILINE
) && (es
->text
[e
- 1] == '\r')) {
2053 if (es
->text
[e
] == '\n')
2055 else if ((es
->text
[e
] == '\r') && (es
->text
[e
+ 1] == '\n'))
2059 EDIT_EM_SetSel(es
, extend
? es
->selection_start
: e
, e
, FALSE
);
2060 EDIT_EM_ScrollCaret(es
);
2064 /*********************************************************************
2068 * Home key: move to beginning of line.
2071 static void EDIT_MoveHome(EDITSTATE
*es
, BOOL extend
)
2075 /* Pass the x_offset in x to make sure of receiving the first position of the line */
2076 if (es
->style
& ES_MULTILINE
)
2077 e
= EDIT_CharFromPos(es
, -es
->x_offset
,
2078 HIWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
)), NULL
);
2081 EDIT_EM_SetSel(es
, extend
? es
->selection_start
: e
, e
, FALSE
);
2082 EDIT_EM_ScrollCaret(es
);
2086 /*********************************************************************
2088 * EDIT_MovePageDown_ML
2090 * Only for multi line controls
2091 * Move the caret one page down, on a column with the nearest
2092 * x coordinate on the screen (might be a different column).
2095 static void EDIT_MovePageDown_ML(EDITSTATE
*es
, BOOL extend
)
2097 INT s
= es
->selection_start
;
2098 INT e
= es
->selection_end
;
2099 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
2100 LRESULT pos
= EDIT_EM_PosFromChar(es
, e
, after_wrap
);
2101 INT x
= (short)LOWORD(pos
);
2102 INT y
= (short)HIWORD(pos
);
2104 e
= EDIT_CharFromPos(es
, x
,
2105 y
+ (es
->format_rect
.bottom
- es
->format_rect
.top
),
2109 EDIT_EM_SetSel(es
, s
, e
, after_wrap
);
2110 EDIT_EM_ScrollCaret(es
);
2114 /*********************************************************************
2116 * EDIT_MovePageUp_ML
2118 * Only for multi line controls
2119 * Move the caret one page up, on a column with the nearest
2120 * x coordinate on the screen (might be a different column).
2123 static void EDIT_MovePageUp_ML(EDITSTATE
*es
, BOOL extend
)
2125 INT s
= es
->selection_start
;
2126 INT e
= es
->selection_end
;
2127 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
2128 LRESULT pos
= EDIT_EM_PosFromChar(es
, e
, after_wrap
);
2129 INT x
= (short)LOWORD(pos
);
2130 INT y
= (short)HIWORD(pos
);
2132 e
= EDIT_CharFromPos(es
, x
,
2133 y
- (es
->format_rect
.bottom
- es
->format_rect
.top
),
2137 EDIT_EM_SetSel(es
, s
, e
, after_wrap
);
2138 EDIT_EM_ScrollCaret(es
);
2142 /*********************************************************************
2146 * Only for multi line controls
2147 * Move the caret one line up, on a column with the nearest
2148 * x coordinate on the screen (might be a different column).
2151 static void EDIT_MoveUp_ML(EDITSTATE
*es
, BOOL extend
)
2153 INT s
= es
->selection_start
;
2154 INT e
= es
->selection_end
;
2155 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
2156 LRESULT pos
= EDIT_EM_PosFromChar(es
, e
, after_wrap
);
2157 INT x
= (short)LOWORD(pos
);
2158 INT y
= (short)HIWORD(pos
);
2160 e
= EDIT_CharFromPos(es
, x
, y
- es
->line_height
, &after_wrap
);
2163 EDIT_EM_SetSel(es
, s
, e
, after_wrap
);
2164 EDIT_EM_ScrollCaret(es
);
2168 /*********************************************************************
2170 * EDIT_MoveWordBackward
2173 static void EDIT_MoveWordBackward(EDITSTATE
*es
, BOOL extend
)
2175 INT s
= es
->selection_start
;
2176 INT e
= es
->selection_end
;
2181 l
= EDIT_EM_LineFromChar(es
, e
);
2182 ll
= EDIT_EM_LineLength(es
, e
);
2183 li
= EDIT_EM_LineIndex(es
, l
);
2186 li
= EDIT_EM_LineIndex(es
, l
- 1);
2187 e
= li
+ EDIT_EM_LineLength(es
, li
);
2190 e
= li
+ EDIT_CallWordBreakProc(es
, li
, e
- li
, ll
, WB_LEFT
);
2194 EDIT_EM_SetSel(es
, s
, e
, FALSE
);
2195 EDIT_EM_ScrollCaret(es
);
2199 /*********************************************************************
2201 * EDIT_MoveWordForward
2204 static void EDIT_MoveWordForward(EDITSTATE
*es
, BOOL extend
)
2206 INT s
= es
->selection_start
;
2207 INT e
= es
->selection_end
;
2212 l
= EDIT_EM_LineFromChar(es
, e
);
2213 ll
= EDIT_EM_LineLength(es
, e
);
2214 li
= EDIT_EM_LineIndex(es
, l
);
2216 if ((es
->style
& ES_MULTILINE
) && (l
!= es
->line_count
- 1))
2217 e
= EDIT_EM_LineIndex(es
, l
+ 1);
2219 e
= li
+ EDIT_CallWordBreakProc(es
,
2220 li
, e
- li
+ 1, ll
, WB_RIGHT
);
2224 EDIT_EM_SetSel(es
, s
, e
, FALSE
);
2225 EDIT_EM_ScrollCaret(es
);
2229 /*********************************************************************
2234 static void EDIT_PaintLine(EDITSTATE
*es
, HDC dc
, INT line
, BOOL rev
)
2236 INT s
= es
->selection_start
;
2237 INT e
= es
->selection_end
;
2244 if (es
->style
& ES_MULTILINE
) {
2245 INT vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
2246 if ((line
< es
->y_offset
) || (line
> es
->y_offset
+ vlc
) || (line
>= es
->line_count
))
2251 TRACE("line=%d\n", line
);
2253 pos
= EDIT_EM_PosFromChar(es
, EDIT_EM_LineIndex(es
, line
), FALSE
);
2254 x
= (short)LOWORD(pos
);
2255 y
= (short)HIWORD(pos
);
2256 li
= EDIT_EM_LineIndex(es
, line
);
2257 ll
= EDIT_EM_LineLength(es
, li
);
2258 s
= min(es
->selection_start
, es
->selection_end
);
2259 e
= max(es
->selection_start
, es
->selection_end
);
2260 s
= min(li
+ ll
, max(li
, s
));
2261 e
= min(li
+ ll
, max(li
, e
));
2262 if (rev
&& (s
!= e
) &&
2263 ((es
->flags
& EF_FOCUSED
) || (es
->style
& ES_NOHIDESEL
))) {
2264 x
+= EDIT_PaintText(es
, dc
, x
, y
, line
, 0, s
- li
, FALSE
);
2265 x
+= EDIT_PaintText(es
, dc
, x
, y
, line
, s
- li
, e
- s
, TRUE
);
2266 x
+= EDIT_PaintText(es
, dc
, x
, y
, line
, e
- li
, li
+ ll
- e
, FALSE
);
2268 x
+= EDIT_PaintText(es
, dc
, x
, y
, line
, 0, ll
, FALSE
);
2272 /*********************************************************************
2277 static INT
EDIT_PaintText(EDITSTATE
*es
, HDC dc
, INT x
, INT y
, INT line
, INT col
, INT count
, BOOL rev
)
2281 LOGFONTW underline_font
;
2282 HFONT hUnderline
= 0;
2291 BkMode
= GetBkMode(dc
);
2292 BkColor
= GetBkColor(dc
);
2293 TextColor
= GetTextColor(dc
);
2295 if (es
->composition_len
== 0)
2297 SetBkColor(dc
, GetSysColor(COLOR_HIGHLIGHT
));
2298 SetTextColor(dc
, GetSysColor(COLOR_HIGHLIGHTTEXT
));
2299 SetBkMode( dc
, OPAQUE
);
2303 HFONT current
= GetCurrentObject(dc
,OBJ_FONT
);
2304 GetObjectW(current
,sizeof(LOGFONTW
),&underline_font
);
2305 underline_font
.lfUnderline
= TRUE
;
2306 hUnderline
= CreateFontIndirectW(&underline_font
);
2307 old_font
= SelectObject(dc
,hUnderline
);
2310 li
= EDIT_EM_LineIndex(es
, line
);
2311 if (es
->style
& ES_MULTILINE
) {
2312 ret
= (INT
)LOWORD(TabbedTextOutW(dc
, x
, y
, es
->text
+ li
+ col
, count
,
2313 es
->tabs_count
, es
->tabs
, es
->format_rect
.left
- es
->x_offset
));
2315 LPWSTR text
= EDIT_GetPasswordPointer_SL(es
);
2316 TextOutW(dc
, x
, y
, text
+ li
+ col
, count
);
2317 GetTextExtentPoint32W(dc
, text
+ li
+ col
, count
, &size
);
2319 if (es
->style
& ES_PASSWORD
)
2320 HeapFree(GetProcessHeap(), 0, text
);
2323 if (es
->composition_len
== 0)
2325 SetBkColor(dc
, BkColor
);
2326 SetTextColor(dc
, TextColor
);
2327 SetBkMode( dc
, BkMode
);
2332 SelectObject(dc
,old_font
);
2334 DeleteObject(hUnderline
);
2341 /*********************************************************************
2346 static void EDIT_SetCaretPos(EDITSTATE
*es
, INT pos
,
2349 LRESULT res
= EDIT_EM_PosFromChar(es
, pos
, after_wrap
);
2350 TRACE("%d - %dx%d\n", pos
, (short)LOWORD(res
), (short)HIWORD(res
));
2351 SetCaretPos((short)LOWORD(res
), (short)HIWORD(res
));
2355 /*********************************************************************
2357 * EDIT_AdjustFormatRect
2359 * Adjusts the format rectangle for the current font and the
2360 * current client rectangle.
2363 static void EDIT_AdjustFormatRect(EDITSTATE
*es
)
2367 es
->format_rect
.right
= max(es
->format_rect
.right
, es
->format_rect
.left
+ es
->char_width
);
2368 if (es
->style
& ES_MULTILINE
)
2370 INT fw
, vlc
, max_x_offset
, max_y_offset
;
2372 vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
2373 es
->format_rect
.bottom
= es
->format_rect
.top
+ max(1, vlc
) * es
->line_height
;
2375 /* correct es->x_offset */
2376 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
2377 max_x_offset
= es
->text_width
- fw
;
2378 if(max_x_offset
< 0) max_x_offset
= 0;
2379 if(es
->x_offset
> max_x_offset
)
2380 es
->x_offset
= max_x_offset
;
2382 /* correct es->y_offset */
2383 max_y_offset
= es
->line_count
- vlc
;
2384 if(max_y_offset
< 0) max_y_offset
= 0;
2385 if(es
->y_offset
> max_y_offset
)
2386 es
->y_offset
= max_y_offset
;
2388 /* force scroll info update */
2389 EDIT_UpdateScrollInfo(es
);
2392 /* Windows doesn't care to fix text placement for SL controls */
2393 es
->format_rect
.bottom
= es
->format_rect
.top
+ es
->line_height
;
2395 /* Always stay within the client area */
2396 GetClientRect(es
->hwndSelf
, &ClientRect
);
2397 es
->format_rect
.bottom
= min(es
->format_rect
.bottom
, ClientRect
.bottom
);
2399 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_AUTOHSCROLL
))
2400 EDIT_BuildLineDefs_ML(es
, 0, get_text_length(es
), 0, NULL
);
2402 EDIT_SetCaretPos(es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
);
2406 /*********************************************************************
2410 * note: this is not (exactly) the handler called on EM_SETRECTNP
2411 * it is also used to set the rect of a single line control
2414 static void EDIT_SetRectNP(EDITSTATE
*es
, const RECT
*rc
)
2418 ExStyle
= GetWindowLongPtrW(es
->hwndSelf
, GWL_EXSTYLE
);
2420 CopyRect(&es
->format_rect
, rc
);
2422 if (ExStyle
& WS_EX_CLIENTEDGE
) {
2423 es
->format_rect
.left
++;
2424 es
->format_rect
.right
--;
2426 if (es
->format_rect
.bottom
- es
->format_rect
.top
2427 >= es
->line_height
+ 2)
2429 es
->format_rect
.top
++;
2430 es
->format_rect
.bottom
--;
2433 else if (es
->style
& WS_BORDER
) {
2434 bw
= GetSystemMetrics(SM_CXBORDER
) + 1;
2435 bh
= GetSystemMetrics(SM_CYBORDER
) + 1;
2436 es
->format_rect
.left
+= bw
;
2437 es
->format_rect
.right
-= bw
;
2438 if (es
->format_rect
.bottom
- es
->format_rect
.top
2439 >= es
->line_height
+ 2 * bh
)
2441 es
->format_rect
.top
+= bh
;
2442 es
->format_rect
.bottom
-= bh
;
2446 es
->format_rect
.left
+= es
->left_margin
;
2447 es
->format_rect
.right
-= es
->right_margin
;
2448 EDIT_AdjustFormatRect(es
);
2452 /*********************************************************************
2457 static void EDIT_UnlockBuffer(EDITSTATE
*es
, BOOL force
)
2460 /* Edit window might be already destroyed */
2461 if(!IsWindow(es
->hwndSelf
))
2463 WARN("edit hwnd %p already destroyed\n", es
->hwndSelf
);
2467 if (!es
->lock_count
) {
2468 ERR("lock_count == 0 ... please report\n");
2472 ERR("es->text == 0 ... please report\n");
2476 if (force
|| (es
->lock_count
== 1)) {
2480 UINT countW
= get_text_length(es
) + 1;
2481 STACK16FRAME
* stack16
= NULL
;
2486 UINT countA_new
= WideCharToMultiByte(CP_ACP
, 0, es
->text
, countW
, NULL
, 0, NULL
, NULL
);
2487 TRACE("Synchronizing with 32-bit ANSI buffer\n");
2488 TRACE("%d WCHARs translated to %d bytes\n", countW
, countA_new
);
2489 countA
= LocalSize(es
->hloc32A
);
2490 if(countA_new
> countA
)
2493 UINT alloc_size
= ROUND_TO_GROW(countA_new
);
2494 TRACE("Resizing 32-bit ANSI buffer from %d to %d bytes\n", countA
, alloc_size
);
2495 hloc32A_new
= LocalReAlloc(es
->hloc32A
, alloc_size
, LMEM_MOVEABLE
| LMEM_ZEROINIT
);
2498 es
->hloc32A
= hloc32A_new
;
2499 countA
= LocalSize(hloc32A_new
);
2500 TRACE("Real new size %d bytes\n", countA
);
2503 WARN("FAILED! Will synchronize partially\n");
2505 textA
= LocalLock(es
->hloc32A
);
2509 UINT countA_new
= WideCharToMultiByte(CP_ACP
, 0, es
->text
, countW
, NULL
, 0, NULL
, NULL
);
2511 TRACE("Synchronizing with 16-bit ANSI buffer\n");
2512 TRACE("%d WCHARs translated to %d bytes\n", countW
, countA_new
);
2514 stack16
= MapSL(PtrToUlong(NtCurrentTeb()->WOW32Reserved
));
2515 oldDS
= stack16
->ds
;
2516 stack16
->ds
= GetWindowLongPtrW( es
->hwndSelf
, GWLP_HINSTANCE
);
2518 countA
= LocalSize16(es
->hloc16
);
2519 if(countA_new
> countA
)
2521 HLOCAL16 hloc16_new
;
2522 UINT alloc_size
= ROUND_TO_GROW(countA_new
);
2523 TRACE("Resizing 16-bit ANSI buffer from %d to %d bytes\n", countA
, alloc_size
);
2524 hloc16_new
= LocalReAlloc16(es
->hloc16
, alloc_size
, LMEM_MOVEABLE
| LMEM_ZEROINIT
);
2527 es
->hloc16
= hloc16_new
;
2528 countA
= LocalSize16(hloc16_new
);
2529 TRACE("Real new size %d bytes\n", countA
);
2532 WARN("FAILED! Will synchronize partially\n");
2534 textA
= MapSL(LocalLock16(es
->hloc16
));
2539 WideCharToMultiByte(CP_ACP
, 0, es
->text
, countW
, textA
, countA
, NULL
, NULL
);
2541 LocalUnlock16(es
->hloc16
);
2543 LocalUnlock(es
->hloc32A
);
2546 if (stack16
) stack16
->ds
= oldDS
;
2547 LocalUnlock(es
->hloc32W
);
2551 ERR("no buffer ... please report\n");
2559 /*********************************************************************
2561 * EDIT_UpdateScrollInfo
2564 static void EDIT_UpdateScrollInfo(EDITSTATE
*es
)
2566 if ((es
->style
& WS_VSCROLL
) && !(es
->flags
& EF_VSCROLL_TRACK
))
2569 si
.cbSize
= sizeof(SCROLLINFO
);
2570 si
.fMask
= SIF_PAGE
| SIF_POS
| SIF_RANGE
| SIF_DISABLENOSCROLL
;
2572 si
.nMax
= es
->line_count
- 1;
2573 si
.nPage
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
2574 si
.nPos
= es
->y_offset
;
2575 TRACE("SB_VERT, nMin=%d, nMax=%d, nPage=%d, nPos=%d\n",
2576 si
.nMin
, si
.nMax
, si
.nPage
, si
.nPos
);
2577 SetScrollInfo(es
->hwndSelf
, SB_VERT
, &si
, TRUE
);
2580 if ((es
->style
& WS_HSCROLL
) && !(es
->flags
& EF_HSCROLL_TRACK
))
2583 si
.cbSize
= sizeof(SCROLLINFO
);
2584 si
.fMask
= SIF_PAGE
| SIF_POS
| SIF_RANGE
| SIF_DISABLENOSCROLL
;
2586 si
.nMax
= es
->text_width
- 1;
2587 si
.nPage
= es
->format_rect
.right
- es
->format_rect
.left
;
2588 si
.nPos
= es
->x_offset
;
2589 TRACE("SB_HORZ, nMin=%d, nMax=%d, nPage=%d, nPos=%d\n",
2590 si
.nMin
, si
.nMax
, si
.nPage
, si
.nPos
);
2591 SetScrollInfo(es
->hwndSelf
, SB_HORZ
, &si
, TRUE
);
2595 /*********************************************************************
2597 * EDIT_WordBreakProc
2599 * Find the beginning of words.
2600 * Note: unlike the specs for a WordBreakProc, this function only
2601 * allows to be called without linebreaks between s[0] up to
2602 * s[count - 1]. Remember it is only called
2603 * internally, so we can decide this for ourselves.
2606 static INT CALLBACK
EDIT_WordBreakProc(LPWSTR s
, INT index
, INT count
, INT action
)
2610 TRACE("s=%p, index=%d, count=%d, action=%d\n", s
, index
, count
, action
);
2620 if (s
[index
] == ' ') {
2621 while (index
&& (s
[index
] == ' '))
2624 while (index
&& (s
[index
] != ' '))
2626 if (s
[index
] == ' ')
2630 while (index
&& (s
[index
] != ' '))
2632 if (s
[index
] == ' ')
2642 if (s
[index
] == ' ')
2643 while ((index
< count
) && (s
[index
] == ' ')) index
++;
2645 while (s
[index
] && (s
[index
] != ' ') && (index
< count
))
2647 while ((s
[index
] == ' ') && (index
< count
)) index
++;
2651 case WB_ISDELIMITER
:
2652 ret
= (s
[index
] == ' ');
2655 ERR("unknown action code, please report !\n");
2662 /*********************************************************************
2666 * returns line number (not index) in high-order word of result.
2667 * NB : Q137805 is unclear about this. POINT * pointer in lParam apply
2668 * to Richedit, not to the edit control. Original documentation is valid.
2669 * FIXME: do the specs mean to return -1 if outside client area or
2670 * if outside formatting rectangle ???
2673 static LRESULT
EDIT_EM_CharFromPos(EDITSTATE
*es
, INT x
, INT y
)
2681 GetClientRect(es
->hwndSelf
, &rc
);
2682 if (!PtInRect(&rc
, pt
))
2685 index
= EDIT_CharFromPos(es
, x
, y
, NULL
);
2686 return MAKELONG(index
, EDIT_EM_LineFromChar(es
, index
));
2690 /*********************************************************************
2694 * Enable or disable soft breaks.
2696 * This means: insert or remove the soft linebreak character (\r\r\n).
2697 * Take care to check if the text still fits the buffer after insertion.
2698 * If not, notify with EN_ERRSPACE.
2701 static BOOL
EDIT_EM_FmtLines(EDITSTATE
*es
, BOOL add_eol
)
2703 es
->flags
&= ~EF_USE_SOFTBRK
;
2705 es
->flags
|= EF_USE_SOFTBRK
;
2706 FIXME("soft break enabled, not implemented\n");
2712 /*********************************************************************
2716 * Hopefully this won't fire back at us.
2717 * We always start with a fixed buffer in the local heap.
2718 * Despite of the documentation says that the local heap is used
2719 * only if DS_LOCALEDIT flag is set, NT and 2000 always allocate
2720 * buffer on the local heap.
2723 static HLOCAL
EDIT_EM_GetHandle(EDITSTATE
*es
)
2727 if (!(es
->style
& ES_MULTILINE
))
2731 hLocal
= es
->hloc32W
;
2737 UINT countA
, alloc_size
;
2738 TRACE("Allocating 32-bit ANSI alias buffer\n");
2739 countA
= WideCharToMultiByte(CP_ACP
, 0, es
->text
, -1, NULL
, 0, NULL
, NULL
);
2740 alloc_size
= ROUND_TO_GROW(countA
);
2741 if(!(es
->hloc32A
= LocalAlloc(LMEM_MOVEABLE
| LMEM_ZEROINIT
, alloc_size
)))
2743 ERR("Could not allocate %d bytes for 32-bit ANSI alias buffer\n", alloc_size
);
2746 textA
= LocalLock(es
->hloc32A
);
2747 WideCharToMultiByte(CP_ACP
, 0, es
->text
, -1, textA
, countA
, NULL
, NULL
);
2748 LocalUnlock(es
->hloc32A
);
2750 hLocal
= es
->hloc32A
;
2753 es
->flags
|= EF_APP_HAS_HANDLE
;
2754 TRACE("Returning %p, LocalSize() = %ld\n", hLocal
, LocalSize(hLocal
));
2759 /*********************************************************************
2763 * Hopefully this won't fire back at us.
2764 * We always start with a buffer in 32 bit linear memory.
2765 * However, with this message a 16 bit application requests
2766 * a handle of 16 bit local heap memory, where it expects to find
2768 * It's a pitty that from this moment on we have to use this
2769 * local heap, because applications may rely on the handle
2772 * In this function we'll try to switch to local heap.
2774 static HLOCAL16
EDIT_EM_GetHandle16(EDITSTATE
*es
)
2777 UINT countA
, alloc_size
;
2778 STACK16FRAME
* stack16
;
2781 if (!(es
->style
& ES_MULTILINE
))
2787 stack16
= MapSL(PtrToUlong(NtCurrentTeb()->WOW32Reserved
));
2788 oldDS
= stack16
->ds
;
2789 stack16
->ds
= GetWindowLongPtrW( es
->hwndSelf
, GWLP_HINSTANCE
);
2791 if (!LocalHeapSize16()) {
2793 if (!LocalInit16(stack16
->ds
, 0, GlobalSize16(stack16
->ds
))) {
2794 ERR("could not initialize local heap\n");
2797 TRACE("local heap initialized\n");
2800 countA
= WideCharToMultiByte(CP_ACP
, 0, es
->text
, -1, NULL
, 0, NULL
, NULL
);
2801 alloc_size
= ROUND_TO_GROW(countA
);
2803 TRACE("Allocating 16-bit ANSI alias buffer\n");
2804 if (!(es
->hloc16
= LocalAlloc16(LMEM_MOVEABLE
| LMEM_ZEROINIT
, alloc_size
))) {
2805 ERR("could not allocate new 16 bit buffer\n");
2809 if (!(textA
= MapSL(LocalLock16( es
->hloc16
)))) {
2810 ERR("could not lock new 16 bit buffer\n");
2811 LocalFree16(es
->hloc16
);
2816 WideCharToMultiByte(CP_ACP
, 0, es
->text
, -1, textA
, countA
, NULL
, NULL
);
2817 LocalUnlock16(es
->hloc16
);
2818 es
->flags
|= EF_APP_HAS_HANDLE
;
2820 TRACE("Returning %04X, LocalSize() = %d\n", es
->hloc16
, LocalSize16(es
->hloc16
));
2823 stack16
->ds
= oldDS
;
2828 /*********************************************************************
2833 static INT
EDIT_EM_GetLine(EDITSTATE
*es
, INT line
, LPWSTR dst
, BOOL unicode
)
2836 INT line_len
, dst_len
;
2839 if (es
->style
& ES_MULTILINE
) {
2840 if (line
>= es
->line_count
)
2844 i
= EDIT_EM_LineIndex(es
, line
);
2846 line_len
= EDIT_EM_LineLength(es
, i
);
2847 dst_len
= *(WORD
*)dst
;
2850 if(dst_len
<= line_len
)
2852 memcpy(dst
, src
, dst_len
* sizeof(WCHAR
));
2855 else /* Append 0 if enough space */
2857 memcpy(dst
, src
, line_len
* sizeof(WCHAR
));
2864 INT ret
= WideCharToMultiByte(CP_ACP
, 0, src
, line_len
, (LPSTR
)dst
, dst_len
, NULL
, NULL
);
2865 if(!ret
&& line_len
) /* Insufficient buffer size */
2867 if(ret
< dst_len
) /* Append 0 if enough space */
2868 ((LPSTR
)dst
)[ret
] = 0;
2874 /*********************************************************************
2879 static LRESULT
EDIT_EM_GetSel(const EDITSTATE
*es
, PUINT start
, PUINT end
)
2881 UINT s
= es
->selection_start
;
2882 UINT e
= es
->selection_end
;
2889 return MAKELONG(s
, e
);
2893 /*********************************************************************
2897 * FIXME: is this right ? (or should it be only VSCROLL)
2898 * (and maybe only for edit controls that really have their
2899 * own scrollbars) (and maybe only for multiline controls ?)
2900 * All in all: very poorly documented
2903 static LRESULT
EDIT_EM_GetThumb(EDITSTATE
*es
)
2905 return MAKELONG(EDIT_WM_VScroll(es
, EM_GETTHUMB16
, 0),
2906 EDIT_WM_HScroll(es
, EM_GETTHUMB16
, 0));
2910 /*********************************************************************
2915 static INT
EDIT_EM_LineFromChar(EDITSTATE
*es
, INT index
)
2920 if (!(es
->style
& ES_MULTILINE
))
2922 if (index
> (INT
)get_text_length(es
))
2923 return es
->line_count
- 1;
2925 index
= min(es
->selection_start
, es
->selection_end
);
2928 line_def
= es
->first_line_def
;
2929 index
-= line_def
->length
;
2930 while ((index
>= 0) && line_def
->next
) {
2932 line_def
= line_def
->next
;
2933 index
-= line_def
->length
;
2939 /*********************************************************************
2944 static INT
EDIT_EM_LineIndex(const EDITSTATE
*es
, INT line
)
2947 const LINEDEF
*line_def
;
2949 if (!(es
->style
& ES_MULTILINE
))
2951 if (line
>= es
->line_count
)
2955 line_def
= es
->first_line_def
;
2957 INT index
= es
->selection_end
- line_def
->length
;
2958 while ((index
>= 0) && line_def
->next
) {
2959 line_index
+= line_def
->length
;
2960 line_def
= line_def
->next
;
2961 index
-= line_def
->length
;
2965 line_index
+= line_def
->length
;
2966 line_def
= line_def
->next
;
2974 /*********************************************************************
2979 static INT
EDIT_EM_LineLength(EDITSTATE
*es
, INT index
)
2983 if (!(es
->style
& ES_MULTILINE
))
2984 return get_text_length(es
);
2987 /* get the number of remaining non-selected chars of selected lines */
2988 INT32 l
; /* line number */
2989 INT32 li
; /* index of first char in line */
2991 l
= EDIT_EM_LineFromChar(es
, es
->selection_start
);
2992 /* # chars before start of selection area */
2993 count
= es
->selection_start
- EDIT_EM_LineIndex(es
, l
);
2994 l
= EDIT_EM_LineFromChar(es
, es
->selection_end
);
2995 /* # chars after end of selection */
2996 li
= EDIT_EM_LineIndex(es
, l
);
2997 count
+= li
+ EDIT_EM_LineLength(es
, li
) - es
->selection_end
;
3000 line_def
= es
->first_line_def
;
3001 index
-= line_def
->length
;
3002 while ((index
>= 0) && line_def
->next
) {
3003 line_def
= line_def
->next
;
3004 index
-= line_def
->length
;
3006 return line_def
->net_length
;
3010 /*********************************************************************
3014 * NOTE: dx is in average character widths, dy - in lines;
3017 static BOOL
EDIT_EM_LineScroll(EDITSTATE
*es
, INT dx
, INT dy
)
3019 if (!(es
->style
& ES_MULTILINE
))
3022 dx
*= es
->char_width
;
3023 return EDIT_EM_LineScroll_internal(es
, dx
, dy
);
3026 /*********************************************************************
3028 * EDIT_EM_LineScroll_internal
3030 * Version of EDIT_EM_LineScroll for internal use.
3031 * It doesn't refuse if ES_MULTILINE is set and assumes that
3032 * dx is in pixels, dy - in lines.
3035 static BOOL
EDIT_EM_LineScroll_internal(EDITSTATE
*es
, INT dx
, INT dy
)
3038 INT x_offset_in_pixels
;
3039 INT lines_per_page
= (es
->format_rect
.bottom
- es
->format_rect
.top
) /
3042 if (es
->style
& ES_MULTILINE
)
3044 x_offset_in_pixels
= es
->x_offset
;
3049 x_offset_in_pixels
= (short)LOWORD(EDIT_EM_PosFromChar(es
, es
->x_offset
, FALSE
));
3052 if (-dx
> x_offset_in_pixels
)
3053 dx
= -x_offset_in_pixels
;
3054 if (dx
> es
->text_width
- x_offset_in_pixels
)
3055 dx
= es
->text_width
- x_offset_in_pixels
;
3056 nyoff
= max(0, es
->y_offset
+ dy
);
3057 if (nyoff
>= es
->line_count
- lines_per_page
)
3058 nyoff
= max(0, es
->line_count
- lines_per_page
);
3059 dy
= (es
->y_offset
- nyoff
) * es
->line_height
;
3064 es
->y_offset
= nyoff
;
3065 if(es
->style
& ES_MULTILINE
)
3068 es
->x_offset
+= dx
/ es
->char_width
;
3070 GetClientRect(es
->hwndSelf
, &rc1
);
3071 IntersectRect(&rc
, &rc1
, &es
->format_rect
);
3072 ScrollWindowEx(es
->hwndSelf
, -dx
, dy
,
3073 NULL
, &rc
, NULL
, NULL
, SW_INVALIDATE
);
3074 /* force scroll info update */
3075 EDIT_UpdateScrollInfo(es
);
3077 if (dx
&& !(es
->flags
& EF_HSCROLL_TRACK
))
3078 EDIT_NOTIFY_PARENT(es
, EN_HSCROLL
);
3079 if (dy
&& !(es
->flags
& EF_VSCROLL_TRACK
))
3080 EDIT_NOTIFY_PARENT(es
, EN_VSCROLL
);
3085 /*********************************************************************
3090 static LRESULT
EDIT_EM_PosFromChar(EDITSTATE
*es
, INT index
, BOOL after_wrap
)
3092 INT len
= get_text_length(es
);
3105 index
= min(index
, len
);
3106 dc
= GetDC(es
->hwndSelf
);
3108 old_font
= SelectObject(dc
, es
->font
);
3109 if (es
->style
& ES_MULTILINE
) {
3110 l
= EDIT_EM_LineFromChar(es
, index
);
3111 y
= (l
- es
->y_offset
) * es
->line_height
;
3112 li
= EDIT_EM_LineIndex(es
, l
);
3113 if (after_wrap
&& (li
== index
) && l
) {
3115 line_def
= es
->first_line_def
;
3117 line_def
= line_def
->next
;
3120 if (line_def
->ending
== END_WRAP
) {
3122 y
-= es
->line_height
;
3123 li
= EDIT_EM_LineIndex(es
, l
);
3127 line_def
= es
->first_line_def
;
3128 while (line_def
->index
!= li
)
3129 line_def
= line_def
->next
;
3131 ll
= line_def
->net_length
;
3132 lw
= line_def
->width
;
3134 w
= es
->format_rect
.right
- es
->format_rect
.left
;
3135 if (es
->style
& ES_RIGHT
)
3137 x
= LOWORD(GetTabbedTextExtentW(dc
, es
->text
+ li
+ (index
- li
), ll
- (index
- li
),
3138 es
->tabs_count
, es
->tabs
)) - es
->x_offset
;
3141 else if (es
->style
& ES_CENTER
)
3143 x
= LOWORD(GetTabbedTextExtentW(dc
, es
->text
+ li
, index
- li
,
3144 es
->tabs_count
, es
->tabs
)) - es
->x_offset
;
3149 x
= LOWORD(GetTabbedTextExtentW(dc
, es
->text
+ li
, index
- li
,
3150 es
->tabs_count
, es
->tabs
)) - es
->x_offset
;
3153 LPWSTR text
= EDIT_GetPasswordPointer_SL(es
);
3154 if (index
< es
->x_offset
) {
3155 GetTextExtentPoint32W(dc
, text
+ index
,
3156 es
->x_offset
- index
, &size
);
3159 GetTextExtentPoint32W(dc
, text
+ es
->x_offset
,
3160 index
- es
->x_offset
, &size
);
3163 if (!es
->x_offset
&& (es
->style
& (ES_RIGHT
| ES_CENTER
)))
3165 w
= es
->format_rect
.right
- es
->format_rect
.left
;
3166 if (w
> es
->text_width
)
3168 if (es
->style
& ES_RIGHT
)
3169 x
+= w
- es
->text_width
;
3170 else if (es
->style
& ES_CENTER
)
3171 x
+= (w
- es
->text_width
) / 2;
3176 if (es
->style
& ES_PASSWORD
)
3177 HeapFree(GetProcessHeap(), 0, text
);
3179 x
+= es
->format_rect
.left
;
3180 y
+= es
->format_rect
.top
;
3182 SelectObject(dc
, old_font
);
3183 ReleaseDC(es
->hwndSelf
, dc
);
3184 return MAKELONG((INT16
)x
, (INT16
)y
);
3188 /*********************************************************************
3192 * FIXME: handle ES_NUMBER and ES_OEMCONVERT here
3195 static void EDIT_EM_ReplaceSel(EDITSTATE
*es
, BOOL can_undo
, LPCWSTR lpsz_replace
, BOOL send_update
, BOOL honor_limit
)
3197 UINT strl
= strlenW(lpsz_replace
);
3198 UINT tl
= get_text_length(es
);
3209 TRACE("%s, can_undo %d, send_update %d\n",
3210 debugstr_w(lpsz_replace
), can_undo
, send_update
);
3212 s
= es
->selection_start
;
3213 e
= es
->selection_end
;
3215 if ((s
== e
) && !strl
)
3220 size
= tl
- (e
- s
) + strl
;
3224 /* Issue the EN_MAXTEXT notification and continue with replacing text
3225 * such that buffer limit is honored. */
3226 if ((honor_limit
) && (size
> es
->buffer_limit
)) {
3227 EDIT_NOTIFY_PARENT(es
, EN_MAXTEXT
);
3228 /* Buffer limit can be smaller than the actual length of text in combobox */
3229 if (es
->buffer_limit
< (tl
- (e
-s
)))
3232 strl
= es
->buffer_limit
- (tl
- (e
-s
));
3235 if (!EDIT_MakeFit(es
, tl
- (e
- s
) + strl
))
3239 /* there is something to be deleted */
3240 TRACE("deleting stuff.\n");
3242 buf
= HeapAlloc(GetProcessHeap(), 0, (bufl
+ 1) * sizeof(WCHAR
));
3244 memcpy(buf
, es
->text
+ s
, bufl
* sizeof(WCHAR
));
3245 buf
[bufl
] = 0; /* ensure 0 termination */
3247 strcpyW(es
->text
+ s
, es
->text
+ e
);
3248 text_buffer_changed(es
);
3251 /* there is an insertion */
3252 tl
= get_text_length(es
);
3253 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
));
3254 for (p
= es
->text
+ tl
; p
>= es
->text
+ s
; p
--)
3256 for (i
= 0 , p
= es
->text
+ s
; i
< strl
; i
++)
3257 p
[i
] = lpsz_replace
[i
];
3258 if(es
->style
& ES_UPPERCASE
)
3259 CharUpperBuffW(p
, strl
);
3260 else if(es
->style
& ES_LOWERCASE
)
3261 CharLowerBuffW(p
, strl
);
3262 text_buffer_changed(es
);
3264 if (es
->style
& ES_MULTILINE
)
3266 INT st
= min(es
->selection_start
, es
->selection_end
);
3267 INT vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
3269 hrgn
= CreateRectRgn(0, 0, 0, 0);
3270 EDIT_BuildLineDefs_ML(es
, st
, st
+ strl
,
3271 strl
- abs(es
->selection_end
- es
->selection_start
), hrgn
);
3272 /* if text is too long undo all changes */
3273 if (honor_limit
&& !(es
->style
& ES_AUTOVSCROLL
) && (es
->line_count
> vlc
)) {
3275 strcpyW(es
->text
+ e
, es
->text
+ e
+ strl
);
3277 for (i
= 0 , p
= es
->text
; i
< e
- s
; i
++)
3279 text_buffer_changed(es
);
3280 EDIT_BuildLineDefs_ML(es
, s
, e
,
3281 abs(es
->selection_end
- es
->selection_start
) - strl
, hrgn
);
3284 hrgn
= CreateRectRgn(0, 0, 0, 0);
3285 EDIT_NOTIFY_PARENT(es
, EN_MAXTEXT
);
3289 INT fw
= es
->format_rect
.right
- es
->format_rect
.left
;
3290 EDIT_CalcLineWidth_SL(es
);
3291 /* remove chars that don't fit */
3292 if (honor_limit
&& !(es
->style
& ES_AUTOHSCROLL
) && (es
->text_width
> fw
)) {
3293 while ((es
->text_width
> fw
) && s
+ strl
>= s
) {
3294 strcpyW(es
->text
+ s
+ strl
- 1, es
->text
+ s
+ strl
);
3296 EDIT_CalcLineWidth_SL(es
);
3298 text_buffer_changed(es
);
3299 EDIT_NOTIFY_PARENT(es
, EN_MAXTEXT
);
3305 utl
= strlenW(es
->undo_text
);
3306 if (!es
->undo_insert_count
&& (*es
->undo_text
&& (s
== es
->undo_position
))) {
3307 /* undo-buffer is extended to the right */
3308 EDIT_MakeUndoFit(es
, utl
+ e
- s
);
3309 memcpy(es
->undo_text
+ utl
, buf
, (e
- s
)*sizeof(WCHAR
));
3310 (es
->undo_text
+ utl
)[e
- s
] = 0; /* ensure 0 termination */
3311 } else if (!es
->undo_insert_count
&& (*es
->undo_text
&& (e
== es
->undo_position
))) {
3312 /* undo-buffer is extended to the left */
3313 EDIT_MakeUndoFit(es
, utl
+ e
- s
);
3314 for (p
= es
->undo_text
+ utl
; p
>= es
->undo_text
; p
--)
3316 for (i
= 0 , p
= es
->undo_text
; i
< e
- s
; i
++)
3318 es
->undo_position
= s
;
3320 /* new undo-buffer */
3321 EDIT_MakeUndoFit(es
, e
- s
);
3322 memcpy(es
->undo_text
, buf
, (e
- s
)*sizeof(WCHAR
));
3323 es
->undo_text
[e
- s
] = 0; /* ensure 0 termination */
3324 es
->undo_position
= s
;
3326 /* any deletion makes the old insertion-undo invalid */
3327 es
->undo_insert_count
= 0;
3329 EDIT_EM_EmptyUndoBuffer(es
);
3333 if ((s
== es
->undo_position
) ||
3334 ((es
->undo_insert_count
) &&
3335 (s
== es
->undo_position
+ es
->undo_insert_count
)))
3337 * insertion is new and at delete position or
3338 * an extension to either left or right
3340 es
->undo_insert_count
+= strl
;
3342 /* new insertion undo */
3343 es
->undo_position
= s
;
3344 es
->undo_insert_count
= strl
;
3345 /* new insertion makes old delete-buffer invalid */
3346 *es
->undo_text
= '\0';
3349 EDIT_EM_EmptyUndoBuffer(es
);
3353 HeapFree(GetProcessHeap(), 0, buf
);
3357 /* If text has been deleted and we're right or center aligned then scroll rightward */
3358 if (es
->style
& (ES_RIGHT
| ES_CENTER
))
3360 INT delta
= strl
- abs(es
->selection_end
- es
->selection_start
);
3362 if (delta
< 0 && es
->x_offset
)
3364 if (abs(delta
) > es
->x_offset
)
3367 es
->x_offset
+= delta
;
3371 EDIT_EM_SetSel(es
, s
, s
, FALSE
);
3372 es
->flags
|= EF_MODIFIED
;
3373 if (send_update
) es
->flags
|= EF_UPDATE
;
3376 EDIT_UpdateTextRegion(es
, hrgn
, TRUE
);
3380 EDIT_UpdateText(es
, NULL
, TRUE
);
3382 EDIT_EM_ScrollCaret(es
);
3384 /* force scroll info update */
3385 EDIT_UpdateScrollInfo(es
);
3388 if(send_update
|| (es
->flags
& EF_UPDATE
))
3390 es
->flags
&= ~EF_UPDATE
;
3391 EDIT_NOTIFY_PARENT(es
, EN_CHANGE
);
3396 /*********************************************************************
3401 static LRESULT
EDIT_EM_Scroll(EDITSTATE
*es
, INT action
)
3405 if (!(es
->style
& ES_MULTILINE
))
3406 return (LRESULT
)FALSE
;
3416 if (es
->y_offset
< es
->line_count
- 1)
3421 dy
= -(es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
3424 if (es
->y_offset
< es
->line_count
- 1)
3425 dy
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
3428 return (LRESULT
)FALSE
;
3431 INT vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
3432 /* check if we are going to move too far */
3433 if(es
->y_offset
+ dy
> es
->line_count
- vlc
)
3434 dy
= es
->line_count
- vlc
- es
->y_offset
;
3436 /* Notification is done in EDIT_EM_LineScroll */
3438 EDIT_EM_LineScroll(es
, 0, dy
);
3440 return MAKELONG((INT16
)dy
, (BOOL16
)TRUE
);
3444 /*********************************************************************
3449 static void EDIT_EM_ScrollCaret(EDITSTATE
*es
)
3451 if (es
->style
& ES_MULTILINE
) {
3456 INT cw
= es
->char_width
;
3461 l
= EDIT_EM_LineFromChar(es
, es
->selection_end
);
3462 li
= EDIT_EM_LineIndex(es
, l
);
3463 x
= (short)LOWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
));
3464 vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
3465 if (l
>= es
->y_offset
+ vlc
)
3466 dy
= l
- vlc
+ 1 - es
->y_offset
;
3467 if (l
< es
->y_offset
)
3468 dy
= l
- es
->y_offset
;
3469 ww
= es
->format_rect
.right
- es
->format_rect
.left
;
3470 if (x
< es
->format_rect
.left
)
3471 dx
= x
- es
->format_rect
.left
- ww
/ HSCROLL_FRACTION
/ cw
* cw
;
3472 if (x
> es
->format_rect
.right
)
3473 dx
= x
- es
->format_rect
.left
- (HSCROLL_FRACTION
- 1) * ww
/ HSCROLL_FRACTION
/ cw
* cw
;
3474 if (dy
|| dx
|| (es
->y_offset
&& (es
->line_count
- es
->y_offset
< vlc
)))
3476 /* check if we are going to move too far */
3477 if(es
->x_offset
+ dx
+ ww
> es
->text_width
)
3478 dx
= es
->text_width
- ww
- es
->x_offset
;
3479 if(dx
|| dy
|| (es
->y_offset
&& (es
->line_count
- es
->y_offset
< vlc
)))
3480 EDIT_EM_LineScroll_internal(es
, dx
, dy
);
3487 x
= (short)LOWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, FALSE
));
3488 format_width
= es
->format_rect
.right
- es
->format_rect
.left
;
3489 if (x
< es
->format_rect
.left
) {
3490 goal
= es
->format_rect
.left
+ format_width
/ HSCROLL_FRACTION
;
3493 x
= (short)LOWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, FALSE
));
3494 } while ((x
< goal
) && es
->x_offset
);
3495 /* FIXME: use ScrollWindow() somehow to improve performance */
3496 EDIT_UpdateText(es
, NULL
, TRUE
);
3497 } else if (x
> es
->format_rect
.right
) {
3499 INT len
= get_text_length(es
);
3500 goal
= es
->format_rect
.right
- format_width
/ HSCROLL_FRACTION
;
3503 x
= (short)LOWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, FALSE
));
3504 x_last
= (short)LOWORD(EDIT_EM_PosFromChar(es
, len
, FALSE
));
3505 } while ((x
> goal
) && (x_last
> es
->format_rect
.right
));
3506 /* FIXME: use ScrollWindow() somehow to improve performance */
3507 EDIT_UpdateText(es
, NULL
, TRUE
);
3511 if(es
->flags
& EF_FOCUSED
)
3512 EDIT_SetCaretPos(es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
);
3516 /*********************************************************************
3520 * FIXME: ES_LOWERCASE, ES_UPPERCASE, ES_OEMCONVERT, ES_NUMBER ???
3523 static void EDIT_EM_SetHandle(EDITSTATE
*es
, HLOCAL hloc
)
3525 if (!(es
->style
& ES_MULTILINE
))
3529 WARN("called with NULL handle\n");
3533 EDIT_UnlockBuffer(es
, TRUE
);
3537 STACK16FRAME
* stack16
= MapSL(PtrToUlong(NtCurrentTeb()->WOW32Reserved
));
3538 HANDLE16 oldDS
= stack16
->ds
;
3540 stack16
->ds
= GetWindowLongPtrW( es
->hwndSelf
, GWLP_HINSTANCE
);
3541 LocalFree16(es
->hloc16
);
3542 stack16
->ds
= oldDS
;
3550 LocalFree(es
->hloc32A
);
3562 countA
= LocalSize(hloc
);
3563 textA
= LocalLock(hloc
);
3564 countW
= MultiByteToWideChar(CP_ACP
, 0, textA
, countA
, NULL
, 0);
3565 if(!(hloc32W_new
= LocalAlloc(LMEM_MOVEABLE
| LMEM_ZEROINIT
, countW
* sizeof(WCHAR
))))
3567 ERR("Could not allocate new unicode buffer\n");
3570 textW
= LocalLock(hloc32W_new
);
3571 MultiByteToWideChar(CP_ACP
, 0, textA
, countA
, textW
, countW
);
3572 LocalUnlock(hloc32W_new
);
3576 LocalFree(es
->hloc32W
);
3578 es
->hloc32W
= hloc32W_new
;
3582 es
->buffer_size
= LocalSize(es
->hloc32W
)/sizeof(WCHAR
) - 1;
3584 es
->flags
|= EF_APP_HAS_HANDLE
;
3585 EDIT_LockBuffer(es
);
3587 es
->x_offset
= es
->y_offset
= 0;
3588 es
->selection_start
= es
->selection_end
= 0;
3589 EDIT_EM_EmptyUndoBuffer(es
);
3590 es
->flags
&= ~EF_MODIFIED
;
3591 es
->flags
&= ~EF_UPDATE
;
3592 EDIT_BuildLineDefs_ML(es
, 0, get_text_length(es
), 0, NULL
);
3593 EDIT_UpdateText(es
, NULL
, TRUE
);
3594 EDIT_EM_ScrollCaret(es
);
3595 /* force scroll info update */
3596 EDIT_UpdateScrollInfo(es
);
3600 /*********************************************************************
3604 * FIXME: ES_LOWERCASE, ES_UPPERCASE, ES_OEMCONVERT, ES_NUMBER ???
3607 static void EDIT_EM_SetHandle16(EDITSTATE
*es
, HLOCAL16 hloc
)
3609 STACK16FRAME
* stack16
= MapSL(PtrToUlong(NtCurrentTeb()->WOW32Reserved
));
3610 HINSTANCE16 hInstance
= GetWindowLongPtrW( es
->hwndSelf
, GWLP_HINSTANCE
);
3611 HANDLE16 oldDS
= stack16
->ds
;
3617 if (!(es
->style
& ES_MULTILINE
))
3621 WARN("called with NULL handle\n");
3625 EDIT_UnlockBuffer(es
, TRUE
);
3629 LocalFree(es
->hloc32A
);
3633 stack16
->ds
= hInstance
;
3634 countA
= LocalSize16(hloc
);
3635 textA
= MapSL(LocalLock16(hloc
));
3636 countW
= MultiByteToWideChar(CP_ACP
, 0, textA
, countA
, NULL
, 0);
3637 if(!(hloc32W_new
= LocalAlloc(LMEM_MOVEABLE
| LMEM_ZEROINIT
, countW
* sizeof(WCHAR
))))
3639 ERR("Could not allocate new unicode buffer\n");
3642 textW
= LocalLock(hloc32W_new
);
3643 MultiByteToWideChar(CP_ACP
, 0, textA
, countA
, textW
, countW
);
3644 LocalUnlock(hloc32W_new
);
3645 LocalUnlock16(hloc
);
3646 stack16
->ds
= oldDS
;
3649 LocalFree(es
->hloc32W
);
3651 es
->hloc32W
= hloc32W_new
;
3654 es
->buffer_size
= LocalSize(es
->hloc32W
)/sizeof(WCHAR
) - 1;
3656 es
->flags
|= EF_APP_HAS_HANDLE
;
3657 EDIT_LockBuffer(es
);
3659 es
->x_offset
= es
->y_offset
= 0;
3660 es
->selection_start
= es
->selection_end
= 0;
3661 EDIT_EM_EmptyUndoBuffer(es
);
3662 es
->flags
&= ~EF_MODIFIED
;
3663 es
->flags
&= ~EF_UPDATE
;
3664 EDIT_BuildLineDefs_ML(es
, 0, get_text_length(es
), 0, NULL
);
3665 EDIT_UpdateText(es
, NULL
, TRUE
);
3666 EDIT_EM_ScrollCaret(es
);
3667 /* force scroll info update */
3668 EDIT_UpdateScrollInfo(es
);
3672 /*********************************************************************
3676 * NOTE: this version currently implements WinNT limits
3679 static void EDIT_EM_SetLimitText(EDITSTATE
*es
, UINT limit
)
3681 if (!limit
) limit
= ~0u;
3682 if (!(es
->style
& ES_MULTILINE
)) limit
= min(limit
, 0x7ffffffe);
3683 es
->buffer_limit
= limit
;
3687 /*********************************************************************
3691 * EC_USEFONTINFO is used as a left or right value i.e. lParam and not as an
3692 * action wParam despite what the docs say. EC_USEFONTINFO calculates the
3693 * margin according to the textmetrics of the current font.
3695 * FIXME - With TrueType or vector fonts EC_USEFONTINFO currently sets one third
3696 * of the char's width as the margin, but this is not how Windows handles this.
3697 * For all other fonts Windows sets the margins to zero.
3699 * FIXME - When EC_USEFONTINFO is used the margins only change if the
3700 * edit control is equal to or larger than a certain size.
3701 * Interestingly if one subtracts both the left and right margins from
3702 * this size one always seems to get an even number. The extents of
3703 * the (four character) string "'**'" match this quite closely, so
3704 * we'll use this until we come up with a better idea.
3706 static int calc_min_set_margin_size(HDC dc
, INT left
, INT right
)
3708 WCHAR magic_string
[] = {'\'','*','*','\'', 0};
3711 GetTextExtentPointW(dc
, magic_string
, sizeof(magic_string
)/sizeof(WCHAR
) - 1, &sz
);
3712 return sz
.cx
+ left
+ right
;
3715 static void EDIT_EM_SetMargins(EDITSTATE
*es
, INT action
,
3716 WORD left
, WORD right
, BOOL repaint
)
3719 INT default_left_margin
= 0; /* in pixels */
3720 INT default_right_margin
= 0; /* in pixels */
3722 /* Set the default margins depending on the font */
3723 if (es
->font
&& (left
== EC_USEFONTINFO
|| right
== EC_USEFONTINFO
)) {
3724 HDC dc
= GetDC(es
->hwndSelf
);
3725 HFONT old_font
= SelectObject(dc
, es
->font
);
3726 GetTextMetricsW(dc
, &tm
);
3727 /* The default margins are only non zero for TrueType or Vector fonts */
3728 if (tm
.tmPitchAndFamily
& ( TMPF_VECTOR
| TMPF_TRUETYPE
)) {
3731 /* This must be calculated more exactly! But how? */
3732 default_left_margin
= tm
.tmAveCharWidth
/ 2;
3733 default_right_margin
= tm
.tmAveCharWidth
/ 2;
3734 min_size
= calc_min_set_margin_size(dc
, default_left_margin
, default_right_margin
);
3735 GetClientRect(es
->hwndSelf
, &rc
);
3736 if(rc
.right
- rc
.left
< min_size
) {
3737 default_left_margin
= es
->left_margin
;
3738 default_right_margin
= es
->right_margin
;
3741 SelectObject(dc
, old_font
);
3742 ReleaseDC(es
->hwndSelf
, dc
);
3745 if (action
& EC_LEFTMARGIN
) {
3746 es
->format_rect
.left
-= es
->left_margin
;
3747 if (left
!= EC_USEFONTINFO
)
3748 es
->left_margin
= left
;
3750 es
->left_margin
= default_left_margin
;
3751 es
->format_rect
.left
+= es
->left_margin
;
3754 if (action
& EC_RIGHTMARGIN
) {
3755 es
->format_rect
.right
+= es
->right_margin
;
3756 if (right
!= EC_USEFONTINFO
)
3757 es
->right_margin
= right
;
3759 es
->right_margin
= default_right_margin
;
3760 es
->format_rect
.right
-= es
->right_margin
;
3763 if (action
& (EC_LEFTMARGIN
| EC_RIGHTMARGIN
)) {
3764 EDIT_AdjustFormatRect(es
);
3765 if (repaint
) EDIT_UpdateText(es
, NULL
, TRUE
);
3768 TRACE("left=%d, right=%d\n", es
->left_margin
, es
->right_margin
);
3772 /*********************************************************************
3774 * EM_SETPASSWORDCHAR
3777 static void EDIT_EM_SetPasswordChar(EDITSTATE
*es
, WCHAR c
)
3781 if (es
->style
& ES_MULTILINE
)
3784 if (es
->password_char
== c
)
3787 style
= GetWindowLongW( es
->hwndSelf
, GWL_STYLE
);
3788 es
->password_char
= c
;
3790 SetWindowLongW( es
->hwndSelf
, GWL_STYLE
, style
| ES_PASSWORD
);
3791 es
->style
|= ES_PASSWORD
;
3793 SetWindowLongW( es
->hwndSelf
, GWL_STYLE
, style
& ~ES_PASSWORD
);
3794 es
->style
&= ~ES_PASSWORD
;
3796 EDIT_UpdateText(es
, NULL
, TRUE
);
3800 /*********************************************************************
3804 * note: unlike the specs say: the order of start and end
3805 * _is_ preserved in Windows. (i.e. start can be > end)
3806 * In other words: this handler is OK
3809 static void EDIT_EM_SetSel(EDITSTATE
*es
, UINT start
, UINT end
, BOOL after_wrap
)
3811 UINT old_start
= es
->selection_start
;
3812 UINT old_end
= es
->selection_end
;
3813 UINT len
= get_text_length(es
);
3815 if (start
== (UINT
)-1) {
3816 start
= es
->selection_end
;
3817 end
= es
->selection_end
;
3819 start
= min(start
, len
);
3820 end
= min(end
, len
);
3822 es
->selection_start
= start
;
3823 es
->selection_end
= end
;
3825 es
->flags
|= EF_AFTER_WRAP
;
3827 es
->flags
&= ~EF_AFTER_WRAP
;
3828 /* Compute the necessary invalidation region. */
3829 /* Note that we don't need to invalidate regions which have
3830 * "never" been selected, or those which are "still" selected.
3831 * In fact, every time we hit a selection boundary, we can
3832 * *toggle* whether we need to invalidate. Thus we can optimize by
3833 * *sorting* the interval endpoints. Let's assume that we sort them
3835 * start <= end <= old_start <= old_end
3836 * Knuth 5.3.1 (p 183) asssures us that this can be done optimally
3837 * in 5 comparisons; ie it's impossible to do better than the
3839 ORDER_UINT(end
, old_end
);
3840 ORDER_UINT(start
, old_start
);
3841 ORDER_UINT(old_start
, old_end
);
3842 ORDER_UINT(start
, end
);
3843 /* Note that at this point 'end' and 'old_start' are not in order, but
3844 * start is definitely the min. and old_end is definitely the max. */
3845 if (end
!= old_start
)
3849 * ORDER_UINT32(end, old_start);
3850 * EDIT_InvalidateText(es, start, end);
3851 * EDIT_InvalidateText(es, old_start, old_end);
3852 * in place of the following if statement.
3853 * (That would complete the optimal five-comparison four-element sort.)
3855 if (old_start
> end
)
3857 EDIT_InvalidateText(es
, start
, end
);
3858 EDIT_InvalidateText(es
, old_start
, old_end
);
3862 EDIT_InvalidateText(es
, start
, old_start
);
3863 EDIT_InvalidateText(es
, end
, old_end
);
3866 else EDIT_InvalidateText(es
, start
, old_end
);
3870 /*********************************************************************
3875 static BOOL
EDIT_EM_SetTabStops(EDITSTATE
*es
, INT count
, const INT
*tabs
)
3877 if (!(es
->style
& ES_MULTILINE
))
3879 HeapFree(GetProcessHeap(), 0, es
->tabs
);
3880 es
->tabs_count
= count
;
3884 es
->tabs
= HeapAlloc(GetProcessHeap(), 0, count
* sizeof(INT
));
3885 memcpy(es
->tabs
, tabs
, count
* sizeof(INT
));
3891 /*********************************************************************
3896 static BOOL
EDIT_EM_SetTabStops16(EDITSTATE
*es
, INT count
, const INT16
*tabs
)
3898 if (!(es
->style
& ES_MULTILINE
))
3900 HeapFree(GetProcessHeap(), 0, es
->tabs
);
3901 es
->tabs_count
= count
;
3906 es
->tabs
= HeapAlloc(GetProcessHeap(), 0, count
* sizeof(INT
));
3907 for (i
= 0 ; i
< count
; i
++)
3908 es
->tabs
[i
] = *tabs
++;
3914 /*********************************************************************
3916 * EM_SETWORDBREAKPROC
3919 static void EDIT_EM_SetWordBreakProc(EDITSTATE
*es
, void *wbp
)
3921 if (es
->word_break_proc
== wbp
)
3924 es
->word_break_proc
= wbp
;
3925 es
->word_break_proc16
= NULL
;
3927 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_AUTOHSCROLL
)) {
3928 EDIT_BuildLineDefs_ML(es
, 0, get_text_length(es
), 0, NULL
);
3929 EDIT_UpdateText(es
, NULL
, TRUE
);
3934 /*********************************************************************
3936 * EM_SETWORDBREAKPROC16
3939 static void EDIT_EM_SetWordBreakProc16(EDITSTATE
*es
, EDITWORDBREAKPROC16 wbp
)
3941 if (es
->word_break_proc16
== wbp
)
3944 es
->word_break_proc
= NULL
;
3945 es
->word_break_proc16
= wbp
;
3946 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_AUTOHSCROLL
)) {
3947 EDIT_BuildLineDefs_ML(es
, 0, get_text_length(es
), 0, NULL
);
3948 EDIT_UpdateText(es
, NULL
, TRUE
);
3953 /*********************************************************************
3958 static BOOL
EDIT_EM_Undo(EDITSTATE
*es
)
3963 /* As per MSDN spec, for a single-line edit control,
3964 the return value is always TRUE */
3965 if( es
->style
& ES_READONLY
)
3966 return !(es
->style
& ES_MULTILINE
);
3968 ulength
= strlenW(es
->undo_text
);
3970 utext
= HeapAlloc(GetProcessHeap(), 0, (ulength
+ 1) * sizeof(WCHAR
));
3972 strcpyW(utext
, es
->undo_text
);
3974 TRACE("before UNDO:insertion length = %d, deletion buffer = %s\n",
3975 es
->undo_insert_count
, debugstr_w(utext
));
3977 EDIT_EM_SetSel(es
, es
->undo_position
, es
->undo_position
+ es
->undo_insert_count
, FALSE
);
3978 EDIT_EM_EmptyUndoBuffer(es
);
3979 EDIT_EM_ReplaceSel(es
, TRUE
, utext
, TRUE
, TRUE
);
3980 EDIT_EM_SetSel(es
, es
->undo_position
, es
->undo_position
+ es
->undo_insert_count
, FALSE
);
3981 /* send the notification after the selection start and end are set */
3982 EDIT_NOTIFY_PARENT(es
, EN_CHANGE
);
3983 EDIT_EM_ScrollCaret(es
);
3984 HeapFree(GetProcessHeap(), 0, utext
);
3986 TRACE("after UNDO:insertion length = %d, deletion buffer = %s\n",
3987 es
->undo_insert_count
, debugstr_w(es
->undo_text
));
3992 /*********************************************************************
3997 static LRESULT
EDIT_WM_Char(EDITSTATE
*es
, WCHAR c
)
4001 control
= GetKeyState(VK_CONTROL
) & 0x8000;
4005 /* If the edit doesn't want the return and it's not a multiline edit, do nothing */
4006 if(!(es
->style
& ES_MULTILINE
) && !(es
->style
& ES_WANTRETURN
))
4009 if (es
->style
& ES_MULTILINE
) {
4010 if (es
->style
& ES_READONLY
) {
4011 EDIT_MoveHome(es
, FALSE
);
4012 EDIT_MoveDown_ML(es
, FALSE
);
4014 static const WCHAR cr_lfW
[] = {'\r','\n',0};
4015 EDIT_EM_ReplaceSel(es
, TRUE
, cr_lfW
, TRUE
, TRUE
);
4020 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_READONLY
))
4022 static const WCHAR tabW
[] = {'\t',0};
4023 EDIT_EM_ReplaceSel(es
, TRUE
, tabW
, TRUE
, TRUE
);
4027 if (!(es
->style
& ES_READONLY
) && !control
) {
4028 if (es
->selection_start
!= es
->selection_end
)
4031 /* delete character left of caret */
4032 EDIT_EM_SetSel(es
, (UINT
)-1, 0, FALSE
);
4033 EDIT_MoveBackward(es
, TRUE
);
4039 if (!(es
->style
& ES_PASSWORD
))
4040 SendMessageW(es
->hwndSelf
, WM_COPY
, 0, 0);
4043 if (!(es
->style
& ES_READONLY
))
4044 SendMessageW(es
->hwndSelf
, WM_PASTE
, 0, 0);
4047 if (!((es
->style
& ES_READONLY
) || (es
->style
& ES_PASSWORD
)))
4048 SendMessageW(es
->hwndSelf
, WM_CUT
, 0, 0);
4051 if (!(es
->style
& ES_READONLY
))
4052 SendMessageW(es
->hwndSelf
, WM_UNDO
, 0, 0);
4056 /*If Edit control style is ES_NUMBER allow users to key in only numeric values*/
4057 if( (es
->style
& ES_NUMBER
) && !( c
>= '0' && c
<= '9') )
4060 if (!(es
->style
& ES_READONLY
) && (c
>= ' ') && (c
!= 127)) {
4064 EDIT_EM_ReplaceSel(es
, TRUE
, str
, TRUE
, TRUE
);
4072 /*********************************************************************
4077 static void EDIT_WM_Command(EDITSTATE
*es
, INT code
, INT id
, HWND control
)
4079 if (code
|| control
)
4099 EDIT_EM_SetSel(es
, 0, (UINT
)-1, FALSE
);
4100 EDIT_EM_ScrollCaret(es
);
4103 ERR("unknown menu item, please report\n");
4109 /*********************************************************************
4113 * Note: the resource files resource/sysres_??.rc cannot define a
4114 * single popup menu. Hence we use a (dummy) menubar
4115 * containing the single popup menu as its first item.
4117 * FIXME: the message identifiers have been chosen arbitrarily,
4118 * hence we use MF_BYPOSITION.
4119 * We might as well use the "real" values (anybody knows ?)
4120 * The menu definition is in resources/sysres_??.rc.
4121 * Once these are OK, we better use MF_BYCOMMAND here
4122 * (as we do in EDIT_WM_Command()).
4125 static void EDIT_WM_ContextMenu(EDITSTATE
*es
, INT x
, INT y
)
4127 HMENU menu
= LoadMenuA(user32_module
, "EDITMENU");
4128 HMENU popup
= GetSubMenu(menu
, 0);
4129 UINT start
= es
->selection_start
;
4130 UINT end
= es
->selection_end
;
4132 ORDER_UINT(start
, end
);
4135 EnableMenuItem(popup
, 0, MF_BYPOSITION
| (EDIT_EM_CanUndo(es
) && !(es
->style
& ES_READONLY
) ? MF_ENABLED
: MF_GRAYED
));
4137 EnableMenuItem(popup
, 2, MF_BYPOSITION
| ((end
- start
) && !(es
->style
& ES_PASSWORD
) && !(es
->style
& ES_READONLY
) ? MF_ENABLED
: MF_GRAYED
));
4139 EnableMenuItem(popup
, 3, MF_BYPOSITION
| ((end
- start
) && !(es
->style
& ES_PASSWORD
) ? MF_ENABLED
: MF_GRAYED
));
4141 EnableMenuItem(popup
, 4, MF_BYPOSITION
| (IsClipboardFormatAvailable(CF_UNICODETEXT
) && !(es
->style
& ES_READONLY
) ? MF_ENABLED
: MF_GRAYED
));
4143 EnableMenuItem(popup
, 5, MF_BYPOSITION
| ((end
- start
) && !(es
->style
& ES_READONLY
) ? MF_ENABLED
: MF_GRAYED
));
4145 EnableMenuItem(popup
, 7, MF_BYPOSITION
| (start
|| (end
!= get_text_length(es
)) ? MF_ENABLED
: MF_GRAYED
));
4147 if (x
== -1 && y
== -1) /* passed via VK_APPS press/release */
4150 /* Windows places the menu at the edit's center in this case */
4151 GetClientRect(es
->hwndSelf
, &rc
);
4152 MapWindowPoints(es
->hwndSelf
, 0, (POINT
*)&rc
, 2);
4153 x
= rc
.left
+ (rc
.right
- rc
.left
) / 2;
4154 y
= rc
.top
+ (rc
.bottom
- rc
.top
) / 2;
4157 TrackPopupMenu(popup
, TPM_LEFTALIGN
| TPM_RIGHTBUTTON
, x
, y
, 0, es
->hwndSelf
, NULL
);
4162 /*********************************************************************
4167 static void EDIT_WM_Copy(EDITSTATE
*es
)
4169 INT s
= min(es
->selection_start
, es
->selection_end
);
4170 INT e
= max(es
->selection_start
, es
->selection_end
);
4178 hdst
= GlobalAlloc(GMEM_MOVEABLE
| GMEM_DDESHARE
, (len
+ 1) * sizeof(WCHAR
));
4179 dst
= GlobalLock(hdst
);
4180 memcpy(dst
, es
->text
+ s
, len
* sizeof(WCHAR
));
4181 dst
[len
] = 0; /* ensure 0 termination */
4182 TRACE("%s\n", debugstr_w(dst
));
4184 OpenClipboard(es
->hwndSelf
);
4186 SetClipboardData(CF_UNICODETEXT
, hdst
);
4191 /*********************************************************************
4196 static LRESULT
EDIT_WM_Create(EDITSTATE
*es
, LPCWSTR name
)
4200 TRACE("%s\n", debugstr_w(name
));
4202 * To initialize some final structure members, we call some helper
4203 * functions. However, since the EDITSTATE is not consistent (i.e.
4204 * not fully initialized), we should be very careful which
4205 * functions can be called, and in what order.
4207 EDIT_WM_SetFont(es
, 0, FALSE
);
4208 EDIT_EM_EmptyUndoBuffer(es
);
4210 /* We need to calculate the format rect
4211 (applications may send EM_SETMARGINS before the control gets visible) */
4212 GetClientRect(es
->hwndSelf
, &clientRect
);
4213 EDIT_SetRectNP(es
, &clientRect
);
4215 if (name
&& *name
) {
4216 EDIT_EM_ReplaceSel(es
, FALSE
, name
, FALSE
, FALSE
);
4217 /* if we insert text to the editline, the text scrolls out
4218 * of the window, as the caret is placed after the insert
4219 * pos normally; thus we reset es->selection... to 0 and
4222 es
->selection_start
= es
->selection_end
= 0;
4223 /* Adobe Photoshop does NOT like this. and MSDN says that EN_CHANGE
4224 * Messages are only to be sent when the USER does something to
4225 * change the contents. So I am removing this EN_CHANGE
4227 * EDIT_NOTIFY_PARENT(es, EN_CHANGE);
4229 EDIT_EM_ScrollCaret(es
);
4231 /* force scroll info update */
4232 EDIT_UpdateScrollInfo(es
);
4233 /* The rule seems to return 1 here for success */
4234 /* Power Builder masked edit controls will crash */
4236 /* FIXME: is that in all cases so ? */
4241 /*********************************************************************
4246 static LRESULT
EDIT_WM_Destroy(EDITSTATE
*es
)
4251 while (LocalUnlock(es
->hloc32W
)) ;
4252 LocalFree(es
->hloc32W
);
4255 while (LocalUnlock(es
->hloc32A
)) ;
4256 LocalFree(es
->hloc32A
);
4259 STACK16FRAME
* stack16
= MapSL(PtrToUlong(NtCurrentTeb()->WOW32Reserved
));
4260 HANDLE16 oldDS
= stack16
->ds
;
4262 stack16
->ds
= GetWindowLongPtrW( es
->hwndSelf
, GWLP_HINSTANCE
);
4263 while (LocalUnlock16(es
->hloc16
)) ;
4264 LocalFree16(es
->hloc16
);
4265 stack16
->ds
= oldDS
;
4268 pc
= es
->first_line_def
;
4272 HeapFree(GetProcessHeap(), 0, pc
);
4276 SetWindowLongPtrW( es
->hwndSelf
, 0, 0 );
4277 HeapFree(GetProcessHeap(), 0, es
);
4283 /*********************************************************************
4288 static INT
EDIT_WM_GetText(const EDITSTATE
*es
, INT count
, LPWSTR dst
, BOOL unicode
)
4290 if(!count
) return 0;
4294 lstrcpynW(dst
, es
->text
, count
);
4295 return strlenW(dst
);
4299 LPSTR textA
= (LPSTR
)dst
;
4300 if (!WideCharToMultiByte(CP_ACP
, 0, es
->text
, -1, textA
, count
, NULL
, NULL
))
4301 textA
[count
- 1] = 0; /* ensure 0 termination */
4302 return strlen(textA
);
4306 /*********************************************************************
4311 static LRESULT
EDIT_WM_HScroll(EDITSTATE
*es
, INT action
, INT pos
)
4316 if (!(es
->style
& ES_MULTILINE
))
4319 if (!(es
->style
& ES_AUTOHSCROLL
))
4323 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
4326 TRACE("SB_LINELEFT\n");
4328 dx
= -es
->char_width
;
4331 TRACE("SB_LINERIGHT\n");
4332 if (es
->x_offset
< es
->text_width
)
4333 dx
= es
->char_width
;
4336 TRACE("SB_PAGELEFT\n");
4338 dx
= -fw
/ HSCROLL_FRACTION
/ es
->char_width
* es
->char_width
;
4341 TRACE("SB_PAGERIGHT\n");
4342 if (es
->x_offset
< es
->text_width
)
4343 dx
= fw
/ HSCROLL_FRACTION
/ es
->char_width
* es
->char_width
;
4351 TRACE("SB_RIGHT\n");
4352 if (es
->x_offset
< es
->text_width
)
4353 dx
= es
->text_width
- es
->x_offset
;
4356 TRACE("SB_THUMBTRACK %d\n", pos
);
4357 es
->flags
|= EF_HSCROLL_TRACK
;
4358 if(es
->style
& WS_HSCROLL
)
4359 dx
= pos
- es
->x_offset
;
4364 if(pos
< 0 || pos
> 100) return 0;
4365 /* Assume default scroll range 0-100 */
4366 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
4367 new_x
= pos
* (es
->text_width
- fw
) / 100;
4368 dx
= es
->text_width
? (new_x
- es
->x_offset
) : 0;
4371 case SB_THUMBPOSITION
:
4372 TRACE("SB_THUMBPOSITION %d\n", pos
);
4373 es
->flags
&= ~EF_HSCROLL_TRACK
;
4374 if(GetWindowLongW( es
->hwndSelf
, GWL_STYLE
) & WS_HSCROLL
)
4375 dx
= pos
- es
->x_offset
;
4380 if(pos
< 0 || pos
> 100) return 0;
4381 /* Assume default scroll range 0-100 */
4382 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
4383 new_x
= pos
* (es
->text_width
- fw
) / 100;
4384 dx
= es
->text_width
? (new_x
- es
->x_offset
) : 0;
4387 /* force scroll info update */
4388 EDIT_UpdateScrollInfo(es
);
4389 EDIT_NOTIFY_PARENT(es
, EN_HSCROLL
);
4393 TRACE("SB_ENDSCROLL\n");
4396 * FIXME : the next two are undocumented !
4397 * Are we doing the right thing ?
4398 * At least Win 3.1 Notepad makes use of EM_GETTHUMB this way,
4399 * although it's also a regular control message.
4401 case EM_GETTHUMB
: /* this one is used by NT notepad */
4405 if(GetWindowLongW( es
->hwndSelf
, GWL_STYLE
) & WS_HSCROLL
)
4406 ret
= GetScrollPos(es
->hwndSelf
, SB_HORZ
);
4409 /* Assume default scroll range 0-100 */
4410 INT fw
= es
->format_rect
.right
- es
->format_rect
.left
;
4411 ret
= es
->text_width
? es
->x_offset
* 100 / (es
->text_width
- fw
) : 0;
4413 TRACE("EM_GETTHUMB: returning %ld\n", ret
);
4416 case EM_LINESCROLL16
:
4417 TRACE("EM_LINESCROLL16\n");
4422 ERR("undocumented WM_HSCROLL action %d (0x%04x), please report\n",
4428 INT fw
= es
->format_rect
.right
- es
->format_rect
.left
;
4429 /* check if we are going to move too far */
4430 if(es
->x_offset
+ dx
+ fw
> es
->text_width
)
4431 dx
= es
->text_width
- fw
- es
->x_offset
;
4433 EDIT_EM_LineScroll_internal(es
, dx
, 0);
4439 /*********************************************************************
4444 static BOOL
EDIT_CheckCombo(EDITSTATE
*es
, UINT msg
, INT key
)
4446 HWND hLBox
= es
->hwndListBox
;
4454 hCombo
= GetParent(es
->hwndSelf
);
4458 TRACE_(combo
)("[%p]: handling msg %x (%x)\n", es
->hwndSelf
, msg
, key
);
4460 if (key
== VK_UP
|| key
== VK_DOWN
)
4462 if (SendMessageW(hCombo
, CB_GETEXTENDEDUI
, 0, 0))
4465 if (msg
== WM_KEYDOWN
|| nEUI
)
4466 bDropped
= (BOOL
)SendMessageW(hCombo
, CB_GETDROPPEDSTATE
, 0, 0);
4472 if (!bDropped
&& nEUI
&& (key
== VK_UP
|| key
== VK_DOWN
))
4474 /* make sure ComboLBox pops up */
4475 SendMessageW(hCombo
, CB_SETEXTENDEDUI
, FALSE
, 0);
4480 SendMessageW(hLBox
, WM_KEYDOWN
, (WPARAM
)key
, 0);
4483 case WM_SYSKEYDOWN
: /* Handle Alt+up/down arrows */
4485 SendMessageW(hCombo
, CB_SHOWDROPDOWN
, bDropped
? FALSE
: TRUE
, 0);
4487 SendMessageW(hLBox
, WM_KEYDOWN
, (WPARAM
)VK_F4
, 0);
4492 SendMessageW(hCombo
, CB_SETEXTENDEDUI
, TRUE
, 0);
4498 /*********************************************************************
4502 * Handling of special keys that don't produce a WM_CHAR
4503 * (i.e. non-printable keys) & Backspace & Delete
4506 static LRESULT
EDIT_WM_KeyDown(EDITSTATE
*es
, INT key
)
4511 if (GetKeyState(VK_MENU
) & 0x8000)
4514 shift
= GetKeyState(VK_SHIFT
) & 0x8000;
4515 control
= GetKeyState(VK_CONTROL
) & 0x8000;
4520 if (EDIT_CheckCombo(es
, WM_KEYDOWN
, key
) || key
== VK_F4
)
4525 if ((es
->style
& ES_MULTILINE
) && (key
== VK_UP
))
4526 EDIT_MoveUp_ML(es
, shift
);
4529 EDIT_MoveWordBackward(es
, shift
);
4531 EDIT_MoveBackward(es
, shift
);
4534 if (EDIT_CheckCombo(es
, WM_KEYDOWN
, key
))
4538 if ((es
->style
& ES_MULTILINE
) && (key
== VK_DOWN
))
4539 EDIT_MoveDown_ML(es
, shift
);
4541 EDIT_MoveWordForward(es
, shift
);
4543 EDIT_MoveForward(es
, shift
);
4546 EDIT_MoveHome(es
, shift
);
4549 EDIT_MoveEnd(es
, shift
);
4552 if (es
->style
& ES_MULTILINE
)
4553 EDIT_MovePageUp_ML(es
, shift
);
4555 EDIT_CheckCombo(es
, WM_KEYDOWN
, key
);
4558 if (es
->style
& ES_MULTILINE
)
4559 EDIT_MovePageDown_ML(es
, shift
);
4561 EDIT_CheckCombo(es
, WM_KEYDOWN
, key
);
4564 if (!(es
->style
& ES_READONLY
) && !(shift
&& control
)) {
4565 if (es
->selection_start
!= es
->selection_end
) {
4572 /* delete character left of caret */
4573 EDIT_EM_SetSel(es
, (UINT
)-1, 0, FALSE
);
4574 EDIT_MoveBackward(es
, TRUE
);
4576 } else if (control
) {
4577 /* delete to end of line */
4578 EDIT_EM_SetSel(es
, (UINT
)-1, 0, FALSE
);
4579 EDIT_MoveEnd(es
, TRUE
);
4582 /* delete character right of caret */
4583 EDIT_EM_SetSel(es
, (UINT
)-1, 0, FALSE
);
4584 EDIT_MoveForward(es
, TRUE
);
4592 if (!(es
->style
& ES_READONLY
))
4598 /* If the edit doesn't want the return send a message to the default object */
4599 if(!(es
->style
& ES_MULTILINE
) || !(es
->style
& ES_WANTRETURN
))
4601 HWND hwndParent
= GetParent(es
->hwndSelf
);
4602 DWORD dw
= SendMessageW( hwndParent
, DM_GETDEFID
, 0, 0 );
4603 if (HIWORD(dw
) == DC_HASDEFID
)
4605 SendMessageW( hwndParent
, WM_COMMAND
,
4606 MAKEWPARAM( LOWORD(dw
), BN_CLICKED
),
4607 (LPARAM
)GetDlgItem( hwndParent
, LOWORD(dw
) ) );
4610 SendMessageW( hwndParent
, WM_COMMAND
, IDOK
, (LPARAM
)GetDlgItem( hwndParent
, IDOK
) );
4618 /*********************************************************************
4623 static LRESULT
EDIT_WM_KillFocus(EDITSTATE
*es
)
4625 es
->flags
&= ~EF_FOCUSED
;
4627 if(!(es
->style
& ES_NOHIDESEL
))
4628 EDIT_InvalidateText(es
, es
->selection_start
, es
->selection_end
);
4629 EDIT_NOTIFY_PARENT(es
, EN_KILLFOCUS
);
4634 /*********************************************************************
4638 * The caret position has been set on the WM_LBUTTONDOWN message
4641 static LRESULT
EDIT_WM_LButtonDblClk(EDITSTATE
*es
)
4644 INT e
= es
->selection_end
;
4649 es
->bCaptureState
= TRUE
;
4650 SetCapture(es
->hwndSelf
);
4652 l
= EDIT_EM_LineFromChar(es
, e
);
4653 li
= EDIT_EM_LineIndex(es
, l
);
4654 ll
= EDIT_EM_LineLength(es
, e
);
4655 s
= li
+ EDIT_CallWordBreakProc(es
, li
, e
- li
, ll
, WB_LEFT
);
4656 e
= li
+ EDIT_CallWordBreakProc(es
, li
, e
- li
, ll
, WB_RIGHT
);
4657 EDIT_EM_SetSel(es
, s
, e
, FALSE
);
4658 EDIT_EM_ScrollCaret(es
);
4659 es
->region_posx
= es
->region_posy
= 0;
4660 SetTimer(es
->hwndSelf
, 0, 100, NULL
);
4665 /*********************************************************************
4670 static LRESULT
EDIT_WM_LButtonDown(EDITSTATE
*es
, DWORD keys
, INT x
, INT y
)
4675 es
->bCaptureState
= TRUE
;
4676 SetCapture(es
->hwndSelf
);
4677 EDIT_ConfinePoint(es
, &x
, &y
);
4678 e
= EDIT_CharFromPos(es
, x
, y
, &after_wrap
);
4679 EDIT_EM_SetSel(es
, (keys
& MK_SHIFT
) ? es
->selection_start
: e
, e
, after_wrap
);
4680 EDIT_EM_ScrollCaret(es
);
4681 es
->region_posx
= es
->region_posy
= 0;
4682 SetTimer(es
->hwndSelf
, 0, 100, NULL
);
4684 if (!(es
->flags
& EF_FOCUSED
))
4685 SetFocus(es
->hwndSelf
);
4691 /*********************************************************************
4696 static LRESULT
EDIT_WM_LButtonUp(EDITSTATE
*es
)
4698 if (es
->bCaptureState
) {
4699 KillTimer(es
->hwndSelf
, 0);
4700 if (GetCapture() == es
->hwndSelf
) ReleaseCapture();
4702 es
->bCaptureState
= FALSE
;
4707 /*********************************************************************
4712 static LRESULT
EDIT_WM_MButtonDown(EDITSTATE
*es
)
4714 SendMessageW(es
->hwndSelf
, WM_PASTE
, 0, 0);
4719 /*********************************************************************
4724 static LRESULT
EDIT_WM_MouseMove(EDITSTATE
*es
, INT x
, INT y
)
4730 /* If the mouse has been captured by process other than the edit control itself,
4731 * the windows edit controls will not select the strings with mouse move.
4733 if (!es
->bCaptureState
|| GetCapture() != es
->hwndSelf
)
4737 * FIXME: gotta do some scrolling if outside client
4738 * area. Maybe reset the timer ?
4741 EDIT_ConfinePoint(es
, &x
, &y
);
4742 es
->region_posx
= (prex
< x
) ? -1 : ((prex
> x
) ? 1 : 0);
4743 es
->region_posy
= (prey
< y
) ? -1 : ((prey
> y
) ? 1 : 0);
4744 e
= EDIT_CharFromPos(es
, x
, y
, &after_wrap
);
4745 EDIT_EM_SetSel(es
, es
->selection_start
, e
, after_wrap
);
4746 EDIT_SetCaretPos(es
,es
->selection_end
,es
->flags
& EF_AFTER_WRAP
);
4751 /*********************************************************************
4755 * See also EDIT_WM_StyleChanged
4757 static LRESULT
EDIT_WM_NCCreate(HWND hwnd
, LPCREATESTRUCTW lpcs
, BOOL unicode
)
4762 TRACE("Creating %s edit control, style = %08x\n",
4763 unicode
? "Unicode" : "ANSI", lpcs
->style
);
4765 if (!(es
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(*es
))))
4767 SetWindowLongPtrW( hwnd
, 0, (LONG_PTR
)es
);
4770 * Note: since the EDITSTATE has not been fully initialized yet,
4771 * we can't use any API calls that may send
4772 * WM_XXX messages before WM_NCCREATE is completed.
4775 es
->is_unicode
= unicode
;
4776 es
->style
= lpcs
->style
;
4778 es
->bEnableState
= !(es
->style
& WS_DISABLED
);
4780 es
->hwndSelf
= hwnd
;
4781 /* Save parent, which will be notified by EN_* messages */
4782 es
->hwndParent
= lpcs
->hwndParent
;
4784 if (es
->style
& ES_COMBO
)
4785 es
->hwndListBox
= GetDlgItem(es
->hwndParent
, ID_CB_LISTBOX
);
4787 /* Number overrides lowercase overrides uppercase (at least it
4788 * does in Win95). However I'll bet that ES_NUMBER would be
4789 * invalid under Win 3.1.
4791 if (es
->style
& ES_NUMBER
) {
4792 ; /* do not override the ES_NUMBER */
4793 } else if (es
->style
& ES_LOWERCASE
) {
4794 es
->style
&= ~ES_UPPERCASE
;
4796 if (es
->style
& ES_MULTILINE
) {
4797 es
->buffer_limit
= BUFLIMIT_INITIAL
;
4798 if (es
->style
& WS_VSCROLL
)
4799 es
->style
|= ES_AUTOVSCROLL
;
4800 if (es
->style
& WS_HSCROLL
)
4801 es
->style
|= ES_AUTOHSCROLL
;
4802 es
->style
&= ~ES_PASSWORD
;
4803 if ((es
->style
& ES_CENTER
) || (es
->style
& ES_RIGHT
)) {
4804 /* Confirmed - RIGHT overrides CENTER */
4805 if (es
->style
& ES_RIGHT
)
4806 es
->style
&= ~ES_CENTER
;
4807 es
->style
&= ~WS_HSCROLL
;
4808 es
->style
&= ~ES_AUTOHSCROLL
;
4811 es
->buffer_limit
= BUFLIMIT_INITIAL
;
4812 if ((es
->style
& ES_RIGHT
) && (es
->style
& ES_CENTER
))
4813 es
->style
&= ~ES_CENTER
;
4814 es
->style
&= ~WS_HSCROLL
;
4815 es
->style
&= ~WS_VSCROLL
;
4816 if (es
->style
& ES_PASSWORD
)
4817 es
->password_char
= '*';
4820 alloc_size
= ROUND_TO_GROW((es
->buffer_size
+ 1) * sizeof(WCHAR
));
4821 if(!(es
->hloc32W
= LocalAlloc(LMEM_MOVEABLE
| LMEM_ZEROINIT
, alloc_size
)))
4823 es
->buffer_size
= LocalSize(es
->hloc32W
)/sizeof(WCHAR
) - 1;
4825 if (!(es
->undo_text
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, (es
->buffer_size
+ 1) * sizeof(WCHAR
))))
4827 es
->undo_buffer_size
= es
->buffer_size
;
4829 if (es
->style
& ES_MULTILINE
)
4830 if (!(es
->first_line_def
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(LINEDEF
))))
4835 * In Win95 look and feel, the WS_BORDER style is replaced by the
4836 * WS_EX_CLIENTEDGE style for the edit control. This gives the edit
4837 * control a nonclient area so we don't need to draw the border.
4838 * If WS_BORDER without WS_EX_CLIENTEDGE is specified we shouldn't have
4839 * a nonclient area and we should handle painting the border ourselves.
4841 * When making modifications please ensure that the code still works
4842 * for edit controls created directly with style 0x50800000, exStyle 0
4843 * (which should have a single pixel border)
4845 if (lpcs
->dwExStyle
& WS_EX_CLIENTEDGE
)
4846 es
->style
&= ~WS_BORDER
;
4847 else if (es
->style
& WS_BORDER
)
4848 SetWindowLongW(hwnd
, GWL_STYLE
, es
->style
& ~WS_BORDER
);
4853 /*********************************************************************
4858 static void EDIT_WM_Paint(EDITSTATE
*es
, HDC hdc
)
4871 BOOL rev
= es
->bEnableState
&&
4872 ((es
->flags
& EF_FOCUSED
) ||
4873 (es
->style
& ES_NOHIDESEL
));
4874 dc
= hdc
? hdc
: BeginPaint(es
->hwndSelf
, &ps
);
4876 GetClientRect(es
->hwndSelf
, &rcClient
);
4878 /* get the background brush */
4879 brush
= EDIT_NotifyCtlColor(es
, dc
);
4881 /* paint the border and the background */
4882 IntersectClipRect(dc
, rcClient
.left
, rcClient
.top
, rcClient
.right
, rcClient
.bottom
);
4884 if(es
->style
& WS_BORDER
) {
4885 bw
= GetSystemMetrics(SM_CXBORDER
);
4886 bh
= GetSystemMetrics(SM_CYBORDER
);
4888 if(es
->style
& ES_MULTILINE
) {
4889 if(es
->style
& WS_HSCROLL
) rc
.bottom
+=bh
;
4890 if(es
->style
& WS_VSCROLL
) rc
.right
+=bw
;
4893 /* Draw the frame. Same code as in nonclient.c */
4894 old_brush
= SelectObject(dc
, GetSysColorBrush(COLOR_WINDOWFRAME
));
4895 PatBlt(dc
, rc
.left
, rc
.top
, rc
.right
- rc
.left
, bh
, PATCOPY
);
4896 PatBlt(dc
, rc
.left
, rc
.top
, bw
, rc
.bottom
- rc
.top
, PATCOPY
);
4897 PatBlt(dc
, rc
.left
, rc
.bottom
- 1, rc
.right
- rc
.left
, -bw
, PATCOPY
);
4898 PatBlt(dc
, rc
.right
- 1, rc
.top
, -bw
, rc
.bottom
- rc
.top
, PATCOPY
);
4899 SelectObject(dc
, old_brush
);
4901 /* Keep the border clean */
4902 IntersectClipRect(dc
, rc
.left
+bw
, rc
.top
+bh
,
4903 max(rc
.right
-bw
, rc
.left
+bw
), max(rc
.bottom
-bh
, rc
.top
+bh
));
4906 GetClipBox(dc
, &rc
);
4907 FillRect(dc
, &rc
, brush
);
4909 IntersectClipRect(dc
, es
->format_rect
.left
,
4910 es
->format_rect
.top
,
4911 es
->format_rect
.right
,
4912 es
->format_rect
.bottom
);
4913 if (es
->style
& ES_MULTILINE
) {
4915 IntersectClipRect(dc
, rc
.left
, rc
.top
, rc
.right
, rc
.bottom
);
4918 old_font
= SelectObject(dc
, es
->font
);
4920 if (!es
->bEnableState
)
4921 SetTextColor(dc
, GetSysColor(COLOR_GRAYTEXT
));
4922 GetClipBox(dc
, &rcRgn
);
4923 if (es
->style
& ES_MULTILINE
) {
4924 INT vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
4925 for (i
= es
->y_offset
; i
<= min(es
->y_offset
+ vlc
, es
->y_offset
+ es
->line_count
- 1) ; i
++) {
4926 EDIT_GetLineRect(es
, i
, 0, -1, &rcLine
);
4927 if (IntersectRect(&rc
, &rcRgn
, &rcLine
))
4928 EDIT_PaintLine(es
, dc
, i
, rev
);
4931 EDIT_GetLineRect(es
, 0, 0, -1, &rcLine
);
4932 if (IntersectRect(&rc
, &rcRgn
, &rcLine
))
4933 EDIT_PaintLine(es
, dc
, 0, rev
);
4936 SelectObject(dc
, old_font
);
4939 EndPaint(es
->hwndSelf
, &ps
);
4943 /*********************************************************************
4948 static void EDIT_WM_Paste(EDITSTATE
*es
)
4953 /* Protect read-only edit control from modification */
4954 if(es
->style
& ES_READONLY
)
4957 OpenClipboard(es
->hwndSelf
);
4958 if ((hsrc
= GetClipboardData(CF_UNICODETEXT
))) {
4959 src
= (LPWSTR
)GlobalLock(hsrc
);
4960 EDIT_EM_ReplaceSel(es
, TRUE
, src
, TRUE
, TRUE
);
4963 else if (es
->style
& ES_PASSWORD
) {
4964 /* clear selected text in password edit box even with empty clipboard */
4965 const WCHAR empty_strW
[] = { 0 };
4966 EDIT_EM_ReplaceSel(es
, TRUE
, empty_strW
, TRUE
, TRUE
);
4972 /*********************************************************************
4977 static void EDIT_WM_SetFocus(EDITSTATE
*es
)
4979 es
->flags
|= EF_FOCUSED
;
4981 if (!(es
->style
& ES_NOHIDESEL
))
4982 EDIT_InvalidateText(es
, es
->selection_start
, es
->selection_end
);
4984 /* single line edit updates itself */
4985 if (!(es
->style
& ES_MULTILINE
))
4987 HDC hdc
= GetDC(es
->hwndSelf
);
4988 EDIT_WM_Paint(es
, hdc
);
4989 ReleaseDC(es
->hwndSelf
, hdc
);
4992 CreateCaret(es
->hwndSelf
, 0, 2, es
->line_height
);
4993 EDIT_SetCaretPos(es
, es
->selection_end
,
4994 es
->flags
& EF_AFTER_WRAP
);
4995 ShowCaret(es
->hwndSelf
);
4996 EDIT_NOTIFY_PARENT(es
, EN_SETFOCUS
);
5000 /*********************************************************************
5004 * With Win95 look the margins are set to default font value unless
5005 * the system font (font == 0) is being set, in which case they are left
5009 static void EDIT_WM_SetFont(EDITSTATE
*es
, HFONT font
, BOOL redraw
)
5017 dc
= GetDC(es
->hwndSelf
);
5019 old_font
= SelectObject(dc
, font
);
5020 GetTextMetricsW(dc
, &tm
);
5021 es
->line_height
= tm
.tmHeight
;
5022 es
->char_width
= tm
.tmAveCharWidth
;
5024 SelectObject(dc
, old_font
);
5025 ReleaseDC(es
->hwndSelf
, dc
);
5027 /* Reset the format rect and the margins */
5028 GetClientRect(es
->hwndSelf
, &clientRect
);
5029 EDIT_SetRectNP(es
, &clientRect
);
5030 EDIT_EM_SetMargins(es
, EC_LEFTMARGIN
| EC_RIGHTMARGIN
,
5031 EC_USEFONTINFO
, EC_USEFONTINFO
, FALSE
);
5033 if (es
->style
& ES_MULTILINE
)
5034 EDIT_BuildLineDefs_ML(es
, 0, get_text_length(es
), 0, NULL
);
5036 EDIT_CalcLineWidth_SL(es
);
5039 EDIT_UpdateText(es
, NULL
, TRUE
);
5040 if (es
->flags
& EF_FOCUSED
) {
5042 CreateCaret(es
->hwndSelf
, 0, 2, es
->line_height
);
5043 EDIT_SetCaretPos(es
, es
->selection_end
,
5044 es
->flags
& EF_AFTER_WRAP
);
5045 ShowCaret(es
->hwndSelf
);
5050 /*********************************************************************
5055 * For multiline controls (ES_MULTILINE), reception of WM_SETTEXT triggers:
5056 * The modified flag is reset. No notifications are sent.
5058 * For single-line controls, reception of WM_SETTEXT triggers:
5059 * The modified flag is reset. EN_UPDATE and EN_CHANGE notifications are sent.
5062 static void EDIT_WM_SetText(EDITSTATE
*es
, LPCWSTR text
, BOOL unicode
)
5064 LPWSTR textW
= NULL
;
5065 if (!unicode
&& text
)
5067 LPCSTR textA
= (LPCSTR
)text
;
5068 INT countW
= MultiByteToWideChar(CP_ACP
, 0, textA
, -1, NULL
, 0);
5069 textW
= HeapAlloc(GetProcessHeap(), 0, countW
* sizeof(WCHAR
));
5071 MultiByteToWideChar(CP_ACP
, 0, textA
, -1, textW
, countW
);
5075 if (es
->flags
& EF_UPDATE
)
5076 /* fixed this bug once; complain if we see it about to happen again. */
5077 ERR("SetSel may generate UPDATE message whose handler may reset "
5080 EDIT_EM_SetSel(es
, 0, (UINT
)-1, FALSE
);
5083 TRACE("%s\n", debugstr_w(text
));
5084 EDIT_EM_ReplaceSel(es
, FALSE
, text
, FALSE
, FALSE
);
5086 HeapFree(GetProcessHeap(), 0, textW
);
5090 static const WCHAR empty_stringW
[] = {0};
5092 EDIT_EM_ReplaceSel(es
, FALSE
, empty_stringW
, FALSE
, FALSE
);
5095 es
->flags
&= ~EF_MODIFIED
;
5096 EDIT_EM_SetSel(es
, 0, 0, FALSE
);
5098 /* Send the notification after the selection start and end have been set
5099 * edit control doesn't send notification on WM_SETTEXT
5100 * if it is multiline, or it is part of combobox
5102 if( !((es
->style
& ES_MULTILINE
) || es
->hwndListBox
))
5104 EDIT_NOTIFY_PARENT(es
, EN_UPDATE
);
5105 EDIT_NOTIFY_PARENT(es
, EN_CHANGE
);
5107 EDIT_EM_ScrollCaret(es
);
5108 EDIT_UpdateScrollInfo(es
);
5112 /*********************************************************************
5117 static void EDIT_WM_Size(EDITSTATE
*es
, UINT action
, INT width
, INT height
)
5119 if ((action
== SIZE_MAXIMIZED
) || (action
== SIZE_RESTORED
)) {
5121 TRACE("width = %d, height = %d\n", width
, height
);
5122 SetRect(&rc
, 0, 0, width
, height
);
5123 EDIT_SetRectNP(es
, &rc
);
5124 EDIT_UpdateText(es
, NULL
, TRUE
);
5129 /*********************************************************************
5133 * This message is sent by SetWindowLong on having changed either the Style
5134 * or the extended style.
5136 * We ensure that the window's version of the styles and the EDITSTATE's agree.
5138 * See also EDIT_WM_NCCreate
5140 * It appears that the Windows version of the edit control allows the style
5141 * (as retrieved by GetWindowLong) to be any value and maintains an internal
5142 * style variable which will generally be different. In this function we
5143 * update the internal style based on what changed in the externally visible
5146 * Much of this content as based upon the MSDN, especially:
5147 * Platform SDK Documentation -> User Interface Services ->
5148 * Windows User Interface -> Edit Controls -> Edit Control Reference ->
5149 * Edit Control Styles
5151 static LRESULT
EDIT_WM_StyleChanged ( EDITSTATE
*es
, WPARAM which
, const STYLESTRUCT
*style
)
5153 if (GWL_STYLE
== which
) {
5154 DWORD style_change_mask
;
5156 /* Only a subset of changes can be applied after the control
5159 style_change_mask
= ES_UPPERCASE
| ES_LOWERCASE
|
5161 if (es
->style
& ES_MULTILINE
)
5162 style_change_mask
|= ES_WANTRETURN
;
5164 new_style
= style
->styleNew
& style_change_mask
;
5166 /* Number overrides lowercase overrides uppercase (at least it
5167 * does in Win95). However I'll bet that ES_NUMBER would be
5168 * invalid under Win 3.1.
5170 if (new_style
& ES_NUMBER
) {
5171 ; /* do not override the ES_NUMBER */
5172 } else if (new_style
& ES_LOWERCASE
) {
5173 new_style
&= ~ES_UPPERCASE
;
5176 es
->style
= (es
->style
& ~style_change_mask
) | new_style
;
5177 } else if (GWL_EXSTYLE
== which
) {
5178 ; /* FIXME - what is needed here */
5180 WARN ("Invalid style change %ld\n",which
);
5186 /*********************************************************************
5191 static LRESULT
EDIT_WM_SysKeyDown(EDITSTATE
*es
, INT key
, DWORD key_data
)
5193 if ((key
== VK_BACK
) && (key_data
& 0x2000)) {
5194 if (EDIT_EM_CanUndo(es
))
5197 } else if (key
== VK_UP
|| key
== VK_DOWN
) {
5198 if (EDIT_CheckCombo(es
, WM_SYSKEYDOWN
, key
))
5201 return DefWindowProcW(es
->hwndSelf
, WM_SYSKEYDOWN
, (WPARAM
)key
, (LPARAM
)key_data
);
5205 /*********************************************************************
5210 static void EDIT_WM_Timer(EDITSTATE
*es
)
5212 if (es
->region_posx
< 0) {
5213 EDIT_MoveBackward(es
, TRUE
);
5214 } else if (es
->region_posx
> 0) {
5215 EDIT_MoveForward(es
, TRUE
);
5218 * FIXME: gotta do some vertical scrolling here, like
5219 * EDIT_EM_LineScroll(hwnd, 0, 1);
5223 /*********************************************************************
5228 static LRESULT
EDIT_WM_VScroll(EDITSTATE
*es
, INT action
, INT pos
)
5232 if (!(es
->style
& ES_MULTILINE
))
5235 if (!(es
->style
& ES_AUTOVSCROLL
))
5244 TRACE("action %d (%s)\n", action
, (action
== SB_LINEUP
? "SB_LINEUP" :
5245 (action
== SB_LINEDOWN
? "SB_LINEDOWN" :
5246 (action
== SB_PAGEUP
? "SB_PAGEUP" :
5248 EDIT_EM_Scroll(es
, action
);
5255 TRACE("SB_BOTTOM\n");
5256 dy
= es
->line_count
- 1 - es
->y_offset
;
5259 TRACE("SB_THUMBTRACK %d\n", pos
);
5260 es
->flags
|= EF_VSCROLL_TRACK
;
5261 if(es
->style
& WS_VSCROLL
)
5262 dy
= pos
- es
->y_offset
;
5265 /* Assume default scroll range 0-100 */
5268 if(pos
< 0 || pos
> 100) return 0;
5269 vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
5270 new_y
= pos
* (es
->line_count
- vlc
) / 100;
5271 dy
= es
->line_count
? (new_y
- es
->y_offset
) : 0;
5272 TRACE("line_count=%d, y_offset=%d, pos=%d, dy = %d\n",
5273 es
->line_count
, es
->y_offset
, pos
, dy
);
5276 case SB_THUMBPOSITION
:
5277 TRACE("SB_THUMBPOSITION %d\n", pos
);
5278 es
->flags
&= ~EF_VSCROLL_TRACK
;
5279 if(es
->style
& WS_VSCROLL
)
5280 dy
= pos
- es
->y_offset
;
5283 /* Assume default scroll range 0-100 */
5286 if(pos
< 0 || pos
> 100) return 0;
5287 vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
5288 new_y
= pos
* (es
->line_count
- vlc
) / 100;
5289 dy
= es
->line_count
? (new_y
- es
->y_offset
) : 0;
5290 TRACE("line_count=%d, y_offset=%d, pos=%d, dy = %d\n",
5291 es
->line_count
, es
->y_offset
, pos
, dy
);
5295 /* force scroll info update */
5296 EDIT_UpdateScrollInfo(es
);
5297 EDIT_NOTIFY_PARENT(es
, EN_VSCROLL
);
5301 TRACE("SB_ENDSCROLL\n");
5304 * FIXME : the next two are undocumented !
5305 * Are we doing the right thing ?
5306 * At least Win 3.1 Notepad makes use of EM_GETTHUMB this way,
5307 * although it's also a regular control message.
5309 case EM_GETTHUMB
: /* this one is used by NT notepad */
5313 if(GetWindowLongW( es
->hwndSelf
, GWL_STYLE
) & WS_VSCROLL
)
5314 ret
= GetScrollPos(es
->hwndSelf
, SB_VERT
);
5317 /* Assume default scroll range 0-100 */
5318 INT vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
5319 ret
= es
->line_count
? es
->y_offset
* 100 / (es
->line_count
- vlc
) : 0;
5321 TRACE("EM_GETTHUMB: returning %ld\n", ret
);
5324 case EM_LINESCROLL16
:
5325 TRACE("EM_LINESCROLL16 %d\n", pos
);
5330 ERR("undocumented WM_VSCROLL action %d (0x%04x), please report\n",
5335 EDIT_EM_LineScroll(es
, 0, dy
);
5339 /*********************************************************************
5344 static void EDIT_UpdateTextRegion(EDITSTATE
*es
, HRGN hrgn
, BOOL bErase
)
5346 if (es
->flags
& EF_UPDATE
) {
5347 es
->flags
&= ~EF_UPDATE
;
5348 EDIT_NOTIFY_PARENT(es
, EN_UPDATE
);
5350 InvalidateRgn(es
->hwndSelf
, hrgn
, bErase
);
5354 /*********************************************************************
5359 static void EDIT_UpdateText(EDITSTATE
*es
, const RECT
*rc
, BOOL bErase
)
5361 if (es
->flags
& EF_UPDATE
) {
5362 es
->flags
&= ~EF_UPDATE
;
5363 EDIT_NOTIFY_PARENT(es
, EN_UPDATE
);
5365 InvalidateRect(es
->hwndSelf
, rc
, bErase
);
5368 /********************************************************************
5370 * The Following code is to handle inline editing from IMEs
5373 static void EDIT_GetCompositionStr(HWND hwnd
, LPARAM CompFlag
, EDITSTATE
*es
)
5376 LPWSTR lpCompStr
= NULL
;
5378 LPSTR lpCompStrAttr
= NULL
;
5381 if (!(hIMC
= ImmGetContext(hwnd
)))
5384 buflen
= ImmGetCompositionStringW(hIMC
, GCS_COMPSTR
, NULL
, 0);
5388 ImmReleaseContext(hwnd
, hIMC
);
5392 lpCompStr
= HeapAlloc(GetProcessHeap(),0,buflen
+ sizeof(WCHAR
));
5395 ERR("Unable to allocate IME CompositionString\n");
5396 ImmReleaseContext(hwnd
,hIMC
);
5401 ImmGetCompositionStringW(hIMC
, GCS_COMPSTR
, lpCompStr
, buflen
);
5402 lpCompStr
[buflen
/sizeof(WCHAR
)] = 0;
5404 if (CompFlag
& GCS_COMPATTR
)
5407 * We do not use the attributes yet. it would tell us what characters
5408 * are in transition and which are converted or decided upon
5410 dwBufLenAttr
= ImmGetCompositionStringW(hIMC
, GCS_COMPATTR
, NULL
, 0);
5414 lpCompStrAttr
= HeapAlloc(GetProcessHeap(),0,dwBufLenAttr
+1);
5417 ERR("Unable to allocate IME Attribute String\n");
5418 HeapFree(GetProcessHeap(),0,lpCompStr
);
5419 ImmReleaseContext(hwnd
,hIMC
);
5422 ImmGetCompositionStringW(hIMC
,GCS_COMPATTR
, lpCompStrAttr
,
5424 lpCompStrAttr
[dwBufLenAttr
] = 0;
5427 lpCompStrAttr
= NULL
;
5430 /* check for change in composition start */
5431 if (es
->selection_end
< es
->composition_start
)
5432 es
->composition_start
= es
->selection_end
;
5434 /* replace existing selection string */
5435 es
->selection_start
= es
->composition_start
;
5437 if (es
->composition_len
> 0)
5438 es
->selection_end
= es
->composition_start
+ es
->composition_len
;
5440 es
->selection_end
= es
->selection_start
;
5442 EDIT_EM_ReplaceSel(es
, FALSE
, lpCompStr
, TRUE
, TRUE
);
5443 es
->composition_len
= abs(es
->composition_start
- es
->selection_end
);
5445 es
->selection_start
= es
->composition_start
;
5446 es
->selection_end
= es
->selection_start
+ es
->composition_len
;
5448 HeapFree(GetProcessHeap(),0,lpCompStrAttr
);
5449 HeapFree(GetProcessHeap(),0,lpCompStr
);
5450 ImmReleaseContext(hwnd
,hIMC
);
5453 static void EDIT_GetResultStr(HWND hwnd
, EDITSTATE
*es
)
5459 if ( !(hIMC
= ImmGetContext(hwnd
)))
5462 buflen
= ImmGetCompositionStringW(hIMC
, GCS_RESULTSTR
, NULL
, 0);
5465 ImmReleaseContext(hwnd
, hIMC
);
5469 lpResultStr
= HeapAlloc(GetProcessHeap(),0, buflen
+sizeof(WCHAR
));
5472 ERR("Unable to alloc buffer for IME string\n");
5473 ImmReleaseContext(hwnd
, hIMC
);
5477 ImmGetCompositionStringW(hIMC
, GCS_RESULTSTR
, lpResultStr
, buflen
);
5478 lpResultStr
[buflen
/sizeof(WCHAR
)] = 0;
5480 /* check for change in composition start */
5481 if (es
->selection_end
< es
->composition_start
)
5482 es
->composition_start
= es
->selection_end
;
5484 es
->selection_start
= es
->composition_start
;
5485 es
->selection_end
= es
->composition_start
+ es
->composition_len
;
5486 EDIT_EM_ReplaceSel(es
, TRUE
, lpResultStr
, TRUE
, TRUE
);
5487 es
->composition_start
= es
->selection_end
;
5488 es
->composition_len
= 0;
5490 HeapFree(GetProcessHeap(),0,lpResultStr
);
5491 ImmReleaseContext(hwnd
, hIMC
);
5494 static void EDIT_ImeComposition(HWND hwnd
, LPARAM CompFlag
, EDITSTATE
*es
)
5496 if (CompFlag
& GCS_RESULTSTR
)
5497 EDIT_GetResultStr(hwnd
,es
);
5498 if (CompFlag
& GCS_COMPSTR
)
5499 EDIT_GetCompositionStr(hwnd
, CompFlag
, es
);