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_MULTI 65534 /* maximum buffer size (not including '\0')
69 FIXME: BTW, new specs say 65535 (do you dare ???) */
70 #define BUFLIMIT_SINGLE 32766 /* maximum buffer size (not including '\0') */
71 #define GROWLENGTH 32 /* buffers granularity in bytes: must be power of 2 */
72 #define ROUND_TO_GROW(size) (((size) + (GROWLENGTH - 1)) & ~(GROWLENGTH - 1))
73 #define HSCROLL_FRACTION 3 /* scroll window by 1/3 width */
76 * extra flags for EDITSTATE.flags field
78 #define EF_MODIFIED 0x0001 /* text has been modified */
79 #define EF_FOCUSED 0x0002 /* we have input focus */
80 #define EF_UPDATE 0x0004 /* notify parent of changed state */
81 #define EF_VSCROLL_TRACK 0x0008 /* don't SetScrollPos() since we are tracking the thumb */
82 #define EF_HSCROLL_TRACK 0x0010 /* don't SetScrollPos() since we are tracking the thumb */
83 #define EF_AFTER_WRAP 0x0080 /* the caret is displayed after the last character of a
84 wrapped line, instead of in front of the next character */
85 #define EF_USE_SOFTBRK 0x0100 /* Enable soft breaks in text. */
86 #define EF_APP_HAS_HANDLE 0x0200 /* Set when an app sends EM_[G|S]ETHANDLE. We are in sole control of
87 the text buffer if this is clear. */
90 END_0
= 0, /* line ends with terminating '\0' character */
91 END_WRAP
, /* line is wrapped */
92 END_HARD
, /* line ends with a hard return '\r\n' */
93 END_SOFT
, /* line ends with a soft return '\r\r\n' */
94 END_RICH
/* line ends with a single '\n' */
97 typedef struct tagLINEDEF
{
98 INT length
; /* bruto length of a line in bytes */
99 INT net_length
; /* netto length of a line in visible characters */
101 INT width
; /* width of the line in pixels */
102 INT index
; /* line index into the buffer */
103 struct tagLINEDEF
*next
;
108 BOOL is_unicode
; /* how the control was created */
109 LPWSTR text
; /* the actual contents of the control */
110 UINT text_length
; /* cached length of text buffer (in WCHARs) - use get_text_length() to retrieve */
111 UINT buffer_size
; /* the size of the buffer in characters */
112 UINT buffer_limit
; /* the maximum size to which the buffer may grow in characters */
113 HFONT font
; /* NULL means standard system font */
114 INT x_offset
; /* scroll offset for multi lines this is in pixels
115 for single lines it's in characters */
116 INT line_height
; /* height of a screen line in pixels */
117 INT char_width
; /* average character width in pixels */
118 DWORD style
; /* sane version of wnd->dwStyle */
119 WORD flags
; /* flags that are not in es->style or wnd->flags (EF_XXX) */
120 INT undo_insert_count
; /* number of characters inserted in sequence */
121 UINT undo_position
; /* character index of the insertion and deletion */
122 LPWSTR undo_text
; /* deleted text */
123 UINT undo_buffer_size
; /* size of the deleted text buffer */
124 INT selection_start
; /* == selection_end if no selection */
125 INT selection_end
; /* == current caret position */
126 WCHAR password_char
; /* == 0 if no password char, and for multi line controls */
127 INT left_margin
; /* in pixels */
128 INT right_margin
; /* in pixels */
130 INT text_width
; /* width of the widest line in pixels for multi line controls
131 and just line width for single line controls */
132 INT region_posx
; /* Position of cursor relative to region: */
133 INT region_posy
; /* -1: to left, 0: within, 1: to right */
134 EDITWORDBREAKPROC16 word_break_proc16
;
135 void *word_break_proc
; /* 32-bit word break proc: ANSI or Unicode */
136 INT line_count
; /* number of lines */
137 INT y_offset
; /* scroll offset in number of lines */
138 BOOL bCaptureState
; /* flag indicating whether mouse was captured */
139 BOOL bEnableState
; /* flag keeping the enable state */
140 HWND hwndSelf
; /* the our window handle */
141 HWND hwndParent
; /* Handle of parent for sending EN_* messages.
142 Even if parent will change, EN_* messages
143 should be sent to the first parent. */
144 HWND hwndListBox
; /* handle of ComboBox's listbox or NULL */
146 * only for multi line controls
148 INT lock_count
; /* amount of re-entries in the EditWndProc */
151 LINEDEF
*first_line_def
; /* linked list of (soft) linebreaks */
152 HLOCAL hloc32W
; /* our unicode local memory block */
153 HLOCAL16 hloc16
; /* alias for 16-bit control receiving EM_GETHANDLE16
155 HLOCAL hloc32A
; /* alias for ANSI control receiving EM_GETHANDLE
160 UINT composition_len
; /* length of composition, 0 == no composition */
161 int composition_start
; /* the character position for the composition */
165 #define SWAP_UINT32(x,y) do { UINT temp = (UINT)(x); (x) = (UINT)(y); (y) = temp; } while(0)
166 #define ORDER_UINT(x,y) do { if ((UINT)(y) < (UINT)(x)) SWAP_UINT32((x),(y)); } while(0)
168 /* used for disabled or read-only edit control */
169 #define EDIT_NOTIFY_PARENT(es, wNotifyCode) \
171 { /* Notify parent which has created this edit control */ \
172 TRACE("notification " #wNotifyCode " sent to hwnd=%p\n", es->hwndParent); \
173 SendMessageW(es->hwndParent, WM_COMMAND, \
174 MAKEWPARAM(GetWindowLongPtrW((es->hwndSelf),GWLP_ID), wNotifyCode), \
175 (LPARAM)(es->hwndSelf)); \
178 /*********************************************************************
185 * These functions have trivial implementations
186 * We still like to call them internally
187 * "static inline" makes them more like macro's
189 static inline BOOL
EDIT_EM_CanUndo(EDITSTATE
*es
);
190 static inline void EDIT_EM_EmptyUndoBuffer(EDITSTATE
*es
);
191 static inline void EDIT_WM_Clear(EDITSTATE
*es
);
192 static inline void EDIT_WM_Cut(EDITSTATE
*es
);
195 * Helper functions only valid for one type of control
197 static void EDIT_BuildLineDefs_ML(EDITSTATE
*es
, INT iStart
, INT iEnd
, INT delta
, HRGN hrgn
);
198 static void EDIT_CalcLineWidth_SL(EDITSTATE
*es
);
199 static LPWSTR
EDIT_GetPasswordPointer_SL(EDITSTATE
*es
);
200 static void EDIT_MoveDown_ML(EDITSTATE
*es
, BOOL extend
);
201 static void EDIT_MovePageDown_ML(EDITSTATE
*es
, BOOL extend
);
202 static void EDIT_MovePageUp_ML(EDITSTATE
*es
, BOOL extend
);
203 static void EDIT_MoveUp_ML(EDITSTATE
*es
, BOOL extend
);
205 * Helper functions valid for both single line _and_ multi line controls
207 static INT
EDIT_CallWordBreakProc(EDITSTATE
*es
, INT start
, INT index
, INT count
, INT action
);
208 static INT
EDIT_CharFromPos(EDITSTATE
*es
, INT x
, INT y
, LPBOOL after_wrap
);
209 static void EDIT_ConfinePoint(EDITSTATE
*es
, LPINT x
, LPINT y
);
210 static void EDIT_GetLineRect(EDITSTATE
*es
, INT line
, INT scol
, INT ecol
, LPRECT rc
);
211 static void EDIT_InvalidateText(EDITSTATE
*es
, INT start
, INT end
);
212 static void EDIT_LockBuffer(EDITSTATE
*es
);
213 static BOOL
EDIT_MakeFit(EDITSTATE
*es
, UINT size
);
214 static BOOL
EDIT_MakeUndoFit(EDITSTATE
*es
, UINT size
);
215 static void EDIT_MoveBackward(EDITSTATE
*es
, BOOL extend
);
216 static void EDIT_MoveEnd(EDITSTATE
*es
, BOOL extend
);
217 static void EDIT_MoveForward(EDITSTATE
*es
, BOOL extend
);
218 static void EDIT_MoveHome(EDITSTATE
*es
, BOOL extend
);
219 static void EDIT_MoveWordBackward(EDITSTATE
*es
, BOOL extend
);
220 static void EDIT_MoveWordForward(EDITSTATE
*es
, BOOL extend
);
221 static void EDIT_PaintLine(EDITSTATE
*es
, HDC hdc
, INT line
, BOOL rev
);
222 static INT
EDIT_PaintText(EDITSTATE
*es
, HDC hdc
, INT x
, INT y
, INT line
, INT col
, INT count
, BOOL rev
);
223 static void EDIT_SetCaretPos(EDITSTATE
*es
, INT pos
, BOOL after_wrap
);
224 static void EDIT_AdjustFormatRect(EDITSTATE
*es
);
225 static void EDIT_SetRectNP(EDITSTATE
*es
, LPRECT lprc
);
226 static void EDIT_UnlockBuffer(EDITSTATE
*es
, BOOL force
);
227 static void EDIT_UpdateScrollInfo(EDITSTATE
*es
);
228 static INT CALLBACK
EDIT_WordBreakProc(LPWSTR s
, INT index
, INT count
, INT action
);
230 * EM_XXX message handlers
232 static LRESULT
EDIT_EM_CharFromPos(EDITSTATE
*es
, INT x
, INT y
);
233 static BOOL
EDIT_EM_FmtLines(EDITSTATE
*es
, BOOL add_eol
);
234 static HLOCAL
EDIT_EM_GetHandle(EDITSTATE
*es
);
235 static HLOCAL16
EDIT_EM_GetHandle16(EDITSTATE
*es
);
236 static INT
EDIT_EM_GetLine(EDITSTATE
*es
, INT line
, LPWSTR dst
, BOOL unicode
);
237 static LRESULT
EDIT_EM_GetSel(EDITSTATE
*es
, PUINT start
, PUINT end
);
238 static LRESULT
EDIT_EM_GetThumb(EDITSTATE
*es
);
239 static INT
EDIT_EM_LineFromChar(EDITSTATE
*es
, INT index
);
240 static INT
EDIT_EM_LineIndex(EDITSTATE
*es
, INT line
);
241 static INT
EDIT_EM_LineLength(EDITSTATE
*es
, INT index
);
242 static BOOL
EDIT_EM_LineScroll(EDITSTATE
*es
, INT dx
, INT dy
);
243 static BOOL
EDIT_EM_LineScroll_internal(EDITSTATE
*es
, INT dx
, INT dy
);
244 static LRESULT
EDIT_EM_PosFromChar(EDITSTATE
*es
, INT index
, BOOL after_wrap
);
245 static void EDIT_EM_ReplaceSel(EDITSTATE
*es
, BOOL can_undo
, LPCWSTR lpsz_replace
, BOOL send_update
, BOOL honor_limit
);
246 static LRESULT
EDIT_EM_Scroll(EDITSTATE
*es
, INT action
);
247 static void EDIT_EM_ScrollCaret(EDITSTATE
*es
);
248 static void EDIT_EM_SetHandle(EDITSTATE
*es
, HLOCAL hloc
);
249 static void EDIT_EM_SetHandle16(EDITSTATE
*es
, HLOCAL16 hloc
);
250 static void EDIT_EM_SetLimitText(EDITSTATE
*es
, INT limit
);
251 static void EDIT_EM_SetMargins(EDITSTATE
*es
, INT action
, WORD left
, WORD right
, BOOL repaint
);
252 static void EDIT_EM_SetPasswordChar(EDITSTATE
*es
, WCHAR c
);
253 static void EDIT_EM_SetSel(EDITSTATE
*es
, UINT start
, UINT end
, BOOL after_wrap
);
254 static BOOL
EDIT_EM_SetTabStops(EDITSTATE
*es
, INT count
, LPINT tabs
);
255 static BOOL
EDIT_EM_SetTabStops16(EDITSTATE
*es
, INT count
, LPINT16 tabs
);
256 static void EDIT_EM_SetWordBreakProc(EDITSTATE
*es
, void *wbp
);
257 static void EDIT_EM_SetWordBreakProc16(EDITSTATE
*es
, EDITWORDBREAKPROC16 wbp
);
258 static BOOL
EDIT_EM_Undo(EDITSTATE
*es
);
260 * WM_XXX message handlers
262 static void EDIT_WM_Char(EDITSTATE
*es
, WCHAR c
);
263 static void EDIT_WM_Command(EDITSTATE
*es
, INT code
, INT id
, HWND conrtol
);
264 static void EDIT_WM_ContextMenu(EDITSTATE
*es
, INT x
, INT y
);
265 static void EDIT_WM_Copy(EDITSTATE
*es
);
266 static LRESULT
EDIT_WM_Create(EDITSTATE
*es
, LPCWSTR name
);
267 static LRESULT
EDIT_WM_Destroy(EDITSTATE
*es
);
268 static LRESULT
EDIT_WM_EraseBkGnd(EDITSTATE
*es
, HDC dc
);
269 static INT
EDIT_WM_GetText(EDITSTATE
*es
, INT count
, LPWSTR dst
, BOOL unicode
);
270 static LRESULT
EDIT_WM_HScroll(EDITSTATE
*es
, INT action
, INT pos
);
271 static LRESULT
EDIT_WM_KeyDown(EDITSTATE
*es
, INT key
);
272 static LRESULT
EDIT_WM_KillFocus(EDITSTATE
*es
);
273 static LRESULT
EDIT_WM_LButtonDblClk(EDITSTATE
*es
);
274 static LRESULT
EDIT_WM_LButtonDown(EDITSTATE
*es
, DWORD keys
, INT x
, INT y
);
275 static LRESULT
EDIT_WM_LButtonUp(EDITSTATE
*es
);
276 static LRESULT
EDIT_WM_MButtonDown(EDITSTATE
*es
);
277 static LRESULT
EDIT_WM_MouseMove(EDITSTATE
*es
, INT x
, INT y
);
278 static LRESULT
EDIT_WM_NCCreate(HWND hwnd
, LPCREATESTRUCTW lpcs
, BOOL unicode
);
279 static void EDIT_WM_Paint(EDITSTATE
*es
, HDC hdc
);
280 static void EDIT_WM_Paste(EDITSTATE
*es
);
281 static void EDIT_WM_SetFocus(EDITSTATE
*es
);
282 static void EDIT_WM_SetFont(EDITSTATE
*es
, HFONT font
, BOOL redraw
);
283 static void EDIT_WM_SetText(EDITSTATE
*es
, LPCWSTR text
, BOOL unicode
);
284 static void EDIT_WM_Size(EDITSTATE
*es
, UINT action
, INT width
, INT height
);
285 static LRESULT
EDIT_WM_StyleChanged(EDITSTATE
*es
, WPARAM which
, const STYLESTRUCT
*style
);
286 static LRESULT
EDIT_WM_SysKeyDown(EDITSTATE
*es
, INT key
, DWORD key_data
);
287 static void EDIT_WM_Timer(EDITSTATE
*es
);
288 static LRESULT
EDIT_WM_VScroll(EDITSTATE
*es
, INT action
, INT pos
);
289 static void EDIT_UpdateText(EDITSTATE
*es
, LPRECT rc
, BOOL bErase
);
290 static void EDIT_UpdateTextRegion(EDITSTATE
*es
, HRGN hrgn
, BOOL bErase
);
291 static void EDIT_ImeComposition(HWND hwnd
, LPARAM CompFlag
, EDITSTATE
*es
);
293 LRESULT WINAPI
EditWndProcA(HWND hWnd
, UINT uMsg
, WPARAM wParam
, LPARAM lParam
);
294 LRESULT WINAPI
EditWndProcW(HWND hWnd
, UINT uMsg
, WPARAM wParam
, LPARAM lParam
);
296 /*********************************************************************
297 * edit class descriptor
299 const struct builtin_class_descr EDIT_builtin_class
=
302 CS_DBLCLKS
| CS_PARENTDC
, /* style */
303 EditWndProcA
, /* procA */
304 EditWndProcW
, /* procW */
305 sizeof(EDITSTATE
*), /* extra */
306 IDC_IBEAM
, /* cursor */
311 /*********************************************************************
316 static inline BOOL
EDIT_EM_CanUndo(EDITSTATE
*es
)
318 return (es
->undo_insert_count
|| strlenW(es
->undo_text
));
322 /*********************************************************************
327 static inline void EDIT_EM_EmptyUndoBuffer(EDITSTATE
*es
)
329 es
->undo_insert_count
= 0;
330 *es
->undo_text
= '\0';
334 /*********************************************************************
339 static inline void EDIT_WM_Clear(EDITSTATE
*es
)
341 static const WCHAR empty_stringW
[] = {0};
343 /* Protect read-only edit control from modification */
344 if(es
->style
& ES_READONLY
)
347 EDIT_EM_ReplaceSel(es
, TRUE
, empty_stringW
, TRUE
, TRUE
);
351 /*********************************************************************
356 static inline void EDIT_WM_Cut(EDITSTATE
*es
)
363 /**********************************************************************
366 * Returns the window version in case Wine emulates a later version
367 * of windows than the application expects.
369 * In a number of cases when windows runs an application that was
370 * designed for an earlier windows version, windows reverts
371 * to "old" behaviour of that earlier version.
373 * An example is a disabled edit control that needs to be painted.
374 * Old style behaviour is to send a WM_CTLCOLOREDIT message. This was
375 * changed in Win95, NT4.0 by a WM_CTLCOLORSTATIC message _only_ for
376 * applications with an expected version 0f 4.0 or higher.
379 static DWORD
get_app_version(void)
381 static DWORD version
;
384 DWORD dwEmulatedVersion
;
386 DWORD dwProcVersion
= GetProcessVersion(0);
388 info
.dwOSVersionInfoSize
= sizeof(OSVERSIONINFOW
);
389 GetVersionExW( &info
);
390 dwEmulatedVersion
= MAKELONG( info
.dwMinorVersion
, info
.dwMajorVersion
);
391 /* FIXME: this may not be 100% correct; see discussion on the
392 * wine developer list in Nov 1999 */
393 version
= dwProcVersion
< dwEmulatedVersion
? dwProcVersion
: dwEmulatedVersion
;
398 static inline UINT
get_text_length(EDITSTATE
*es
)
400 if(es
->text_length
== (UINT
)-1)
401 es
->text_length
= strlenW(es
->text
);
402 return es
->text_length
;
405 static inline void text_buffer_changed(EDITSTATE
*es
)
407 es
->text_length
= (UINT
)-1;
410 static HBRUSH
EDIT_NotifyCtlColor(EDITSTATE
*es
, HDC hdc
)
415 if ( get_app_version() >= 0x40000 && (!es
->bEnableState
|| (es
->style
& ES_READONLY
)))
416 msg
= WM_CTLCOLORSTATIC
;
418 msg
= WM_CTLCOLOREDIT
;
420 /* why do we notify to es->hwndParent, and we send this one to GetParent()? */
421 hbrush
= (HBRUSH
)SendMessageW(GetParent(es
->hwndSelf
), msg
, (WPARAM
)hdc
, (LPARAM
)es
->hwndSelf
);
423 hbrush
= (HBRUSH
)DefWindowProcW(GetParent(es
->hwndSelf
), msg
, (WPARAM
)hdc
, (LPARAM
)es
->hwndSelf
);
427 static inline LRESULT
DefWindowProcT(HWND hwnd
, UINT msg
, WPARAM wParam
, LPARAM lParam
, BOOL unicode
)
430 return DefWindowProcW(hwnd
, msg
, wParam
, lParam
);
432 return DefWindowProcA(hwnd
, msg
, wParam
, lParam
);
435 /*********************************************************************
439 * The messages are in the order of the actual integer values
440 * (which can be found in include/windows.h)
441 * Wherever possible the 16 bit versions are converted to
442 * the 32 bit ones, so that we can 'fall through' to the
443 * helper functions. These are mostly 32 bit (with a few
444 * exceptions, clearly indicated by a '16' extension to their
448 static LRESULT WINAPI
EditWndProc_common( HWND hwnd
, UINT msg
,
449 WPARAM wParam
, LPARAM lParam
, BOOL unicode
)
451 EDITSTATE
*es
= (EDITSTATE
*)GetWindowLongPtrW( hwnd
, 0 );
454 TRACE("hwnd=%p msg=%x (%s) wparam=%lx lparam=%lx\n", hwnd
, msg
, SPY_GetMsgName(msg
, hwnd
), wParam
, lParam
);
456 if (!es
&& msg
!= WM_NCCREATE
)
457 return DefWindowProcT(hwnd
, msg
, wParam
, lParam
, unicode
);
459 if (es
&& (msg
!= WM_DESTROY
)) EDIT_LockBuffer(es
);
467 result
= EDIT_EM_GetSel(es
, (PUINT
)wParam
, (PUINT
)lParam
);
471 if ((short)LOWORD(lParam
) == -1)
472 EDIT_EM_SetSel(es
, (UINT
)-1, 0, FALSE
);
474 EDIT_EM_SetSel(es
, LOWORD(lParam
), HIWORD(lParam
), FALSE
);
476 EDIT_EM_ScrollCaret(es
);
480 EDIT_EM_SetSel(es
, wParam
, lParam
, FALSE
);
481 EDIT_EM_ScrollCaret(es
);
488 RECT16
*r16
= MapSL(lParam
);
489 r16
->left
= es
->format_rect
.left
;
490 r16
->top
= es
->format_rect
.top
;
491 r16
->right
= es
->format_rect
.right
;
492 r16
->bottom
= es
->format_rect
.bottom
;
497 CopyRect((LPRECT
)lParam
, &es
->format_rect
);
501 if ((es
->style
& ES_MULTILINE
) && lParam
) {
503 RECT16
*r16
= MapSL(lParam
);
506 rc
.right
= r16
->right
;
507 rc
.bottom
= r16
->bottom
;
508 EDIT_SetRectNP(es
, &rc
);
509 EDIT_UpdateText(es
, NULL
, TRUE
);
513 if ((es
->style
& ES_MULTILINE
) && lParam
) {
514 EDIT_SetRectNP(es
, (LPRECT
)lParam
);
515 EDIT_UpdateText(es
, NULL
, TRUE
);
520 if ((es
->style
& ES_MULTILINE
) && lParam
) {
522 RECT16
*r16
= MapSL(lParam
);
525 rc
.right
= r16
->right
;
526 rc
.bottom
= r16
->bottom
;
527 EDIT_SetRectNP(es
, &rc
);
531 if ((es
->style
& ES_MULTILINE
) && lParam
)
532 EDIT_SetRectNP(es
, (LPRECT
)lParam
);
537 result
= EDIT_EM_Scroll(es
, (INT
)wParam
);
540 case EM_LINESCROLL16
:
541 wParam
= (WPARAM
)(INT
)(SHORT
)HIWORD(lParam
);
542 lParam
= (LPARAM
)(INT
)(SHORT
)LOWORD(lParam
);
545 result
= (LRESULT
)EDIT_EM_LineScroll(es
, (INT
)wParam
, (INT
)lParam
);
548 case EM_SCROLLCARET16
:
550 EDIT_EM_ScrollCaret(es
);
556 result
= ((es
->flags
& EF_MODIFIED
) != 0);
562 es
->flags
|= EF_MODIFIED
;
564 es
->flags
&= ~(EF_MODIFIED
| EF_UPDATE
); /* reset pending updates */
567 case EM_GETLINECOUNT16
:
568 case EM_GETLINECOUNT
:
569 result
= (es
->style
& ES_MULTILINE
) ? es
->line_count
: 1;
573 if ((INT16
)wParam
== -1)
577 result
= (LRESULT
)EDIT_EM_LineIndex(es
, (INT
)wParam
);
581 EDIT_EM_SetHandle16(es
, (HLOCAL16
)wParam
);
584 EDIT_EM_SetHandle(es
, (HLOCAL
)wParam
);
588 result
= (LRESULT
)EDIT_EM_GetHandle16(es
);
591 result
= (LRESULT
)EDIT_EM_GetHandle(es
);
596 result
= EDIT_EM_GetThumb(es
);
599 /* these messages missing from specs */
608 FIXME("undocumented message 0x%x, please report\n", msg
);
609 result
= DefWindowProcW(hwnd
, msg
, wParam
, lParam
);
612 case EM_LINELENGTH16
:
614 result
= (LRESULT
)EDIT_EM_LineLength(es
, (INT
)wParam
);
617 case EM_REPLACESEL16
:
618 lParam
= (LPARAM
)MapSL(lParam
);
619 unicode
= FALSE
; /* 16-bit message is always ascii */
626 textW
= (LPWSTR
)lParam
;
629 LPSTR textA
= (LPSTR
)lParam
;
630 INT countW
= MultiByteToWideChar(CP_ACP
, 0, textA
, -1, NULL
, 0);
631 if((textW
= HeapAlloc(GetProcessHeap(), 0, countW
* sizeof(WCHAR
))))
632 MultiByteToWideChar(CP_ACP
, 0, textA
, -1, textW
, countW
);
635 EDIT_EM_ReplaceSel(es
, (BOOL
)wParam
, textW
, TRUE
, TRUE
);
639 HeapFree(GetProcessHeap(), 0, textW
);
644 lParam
= (LPARAM
)MapSL(lParam
);
645 unicode
= FALSE
; /* 16-bit message is always ascii */
648 result
= (LRESULT
)EDIT_EM_GetLine(es
, (INT
)wParam
, (LPWSTR
)lParam
, unicode
);
652 case EM_SETLIMITTEXT
:
653 EDIT_EM_SetLimitText(es
, (INT
)wParam
);
658 result
= (LRESULT
)EDIT_EM_CanUndo(es
);
664 result
= (LRESULT
)EDIT_EM_Undo(es
);
669 result
= (LRESULT
)EDIT_EM_FmtLines(es
, (BOOL
)wParam
);
672 case EM_LINEFROMCHAR16
:
673 case EM_LINEFROMCHAR
:
674 result
= (LRESULT
)EDIT_EM_LineFromChar(es
, (INT
)wParam
);
677 case EM_SETTABSTOPS16
:
678 result
= (LRESULT
)EDIT_EM_SetTabStops16(es
, (INT
)wParam
, MapSL(lParam
));
681 result
= (LRESULT
)EDIT_EM_SetTabStops(es
, (INT
)wParam
, (LPINT
)lParam
);
684 case EM_SETPASSWORDCHAR16
:
685 unicode
= FALSE
; /* 16-bit message is always ascii */
687 case EM_SETPASSWORDCHAR
:
692 charW
= (WCHAR
)wParam
;
696 MultiByteToWideChar(CP_ACP
, 0, &charA
, 1, &charW
, 1);
699 EDIT_EM_SetPasswordChar(es
, charW
);
703 case EM_EMPTYUNDOBUFFER16
:
704 case EM_EMPTYUNDOBUFFER
:
705 EDIT_EM_EmptyUndoBuffer(es
);
708 case EM_GETFIRSTVISIBLELINE16
:
709 result
= es
->y_offset
;
711 case EM_GETFIRSTVISIBLELINE
:
712 result
= (es
->style
& ES_MULTILINE
) ? es
->y_offset
: es
->x_offset
;
715 case EM_SETREADONLY16
:
718 SetWindowLongW( hwnd
, GWL_STYLE
,
719 GetWindowLongW( hwnd
, GWL_STYLE
) | ES_READONLY
);
720 es
->style
|= ES_READONLY
;
722 SetWindowLongW( hwnd
, GWL_STYLE
,
723 GetWindowLongW( hwnd
, GWL_STYLE
) & ~ES_READONLY
);
724 es
->style
&= ~ES_READONLY
;
729 case EM_SETWORDBREAKPROC16
:
730 EDIT_EM_SetWordBreakProc16(es
, (EDITWORDBREAKPROC16
)lParam
);
732 case EM_SETWORDBREAKPROC
:
733 EDIT_EM_SetWordBreakProc(es
, (void *)lParam
);
736 case EM_GETWORDBREAKPROC16
:
737 result
= (LRESULT
)es
->word_break_proc16
;
739 case EM_GETWORDBREAKPROC
:
740 result
= (LRESULT
)es
->word_break_proc
;
743 case EM_GETPASSWORDCHAR16
:
744 unicode
= FALSE
; /* 16-bit message is always ascii */
746 case EM_GETPASSWORDCHAR
:
749 result
= es
->password_char
;
752 WCHAR charW
= es
->password_char
;
754 WideCharToMultiByte(CP_ACP
, 0, &charW
, 1, &charA
, 1, NULL
, NULL
);
760 /* The following EM_xxx are new to win95 and don't exist for 16 bit */
763 EDIT_EM_SetMargins(es
, (INT
)wParam
, LOWORD(lParam
), HIWORD(lParam
), TRUE
);
767 result
= MAKELONG(es
->left_margin
, es
->right_margin
);
770 case EM_GETLIMITTEXT
:
771 result
= es
->buffer_limit
;
775 if ((INT
)wParam
>= get_text_length(es
)) result
= -1;
776 else result
= EDIT_EM_PosFromChar(es
, (INT
)wParam
, FALSE
);
780 result
= EDIT_EM_CharFromPos(es
, (short)LOWORD(lParam
), (short)HIWORD(lParam
));
783 /* End of the EM_ messages which were in numerical order; what order
784 * are these in? vaguely alphabetical?
788 result
= EDIT_WM_NCCreate(hwnd
, (LPCREATESTRUCTW
)lParam
, unicode
);
792 result
= EDIT_WM_Destroy(es
);
797 result
= DLGC_HASSETSEL
| DLGC_WANTCHARS
| DLGC_WANTARROWS
;
799 if (es
->style
& ES_MULTILINE
)
801 result
|= DLGC_WANTALLKEYS
;
805 if (lParam
&& (((LPMSG
)lParam
)->message
== WM_KEYDOWN
))
807 int vk
= (int)((LPMSG
)lParam
)->wParam
;
809 if (es
->hwndListBox
&& (vk
== VK_RETURN
|| vk
== VK_ESCAPE
))
811 if (SendMessageW(GetParent(hwnd
), CB_GETDROPPEDSTATE
, 0, 0))
812 result
|= DLGC_WANTMESSAGE
;
823 strng
[0] = wParam
>> 8;
824 strng
[1] = wParam
& 0xff;
825 if (strng
[0]) MultiByteToWideChar(CP_ACP
, 0, strng
, 2, &charW
, 1);
826 else MultiByteToWideChar(CP_ACP
, 0, &strng
[1], 1, &charW
, 1);
827 EDIT_WM_Char(es
, charW
);
840 MultiByteToWideChar(CP_ACP
, 0, &charA
, 1, &charW
, 1);
843 if ((charW
== VK_RETURN
|| charW
== VK_ESCAPE
) && es
->hwndListBox
)
845 if (SendMessageW(GetParent(hwnd
), CB_GETDROPPEDSTATE
, 0, 0))
846 SendMessageW(GetParent(hwnd
), WM_KEYDOWN
, charW
, 0);
849 EDIT_WM_Char(es
, charW
);
858 EDIT_WM_Command(es
, HIWORD(wParam
), LOWORD(wParam
), (HWND
)lParam
);
862 EDIT_WM_ContextMenu(es
, (short)LOWORD(lParam
), (short)HIWORD(lParam
));
871 result
= EDIT_WM_Create(es
, ((LPCREATESTRUCTW
)lParam
)->lpszName
);
874 LPCSTR nameA
= ((LPCREATESTRUCTA
)lParam
)->lpszName
;
878 INT countW
= MultiByteToWideChar(CP_ACP
, 0, nameA
, -1, NULL
, 0);
879 if((nameW
= HeapAlloc(GetProcessHeap(), 0, countW
* sizeof(WCHAR
))))
880 MultiByteToWideChar(CP_ACP
, 0, nameA
, -1, nameW
, countW
);
882 result
= EDIT_WM_Create(es
, nameW
);
883 HeapFree(GetProcessHeap(), 0, nameW
);
892 es
->bEnableState
= (BOOL
) wParam
;
893 EDIT_UpdateText(es
, NULL
, TRUE
);
897 result
= EDIT_WM_EraseBkGnd(es
, (HDC
)wParam
);
901 result
= (LRESULT
)es
->font
;
905 result
= (LRESULT
)EDIT_WM_GetText(es
, (INT
)wParam
, (LPWSTR
)lParam
, unicode
);
908 case WM_GETTEXTLENGTH
:
909 if (unicode
) result
= get_text_length(es
);
910 else result
= WideCharToMultiByte( CP_ACP
, 0, es
->text
, get_text_length(es
),
911 NULL
, 0, NULL
, NULL
);
915 result
= EDIT_WM_HScroll(es
, LOWORD(wParam
), (short)HIWORD(wParam
));
919 result
= EDIT_WM_KeyDown(es
, (INT
)wParam
);
923 result
= EDIT_WM_KillFocus(es
);
926 case WM_LBUTTONDBLCLK
:
927 result
= EDIT_WM_LButtonDblClk(es
);
931 result
= EDIT_WM_LButtonDown(es
, wParam
, (short)LOWORD(lParam
), (short)HIWORD(lParam
));
935 result
= EDIT_WM_LButtonUp(es
);
939 result
= EDIT_WM_MButtonDown(es
);
943 result
= EDIT_WM_MouseMove(es
, (short)LOWORD(lParam
), (short)HIWORD(lParam
));
948 EDIT_WM_Paint(es
, (HDC
)wParam
);
956 EDIT_WM_SetFocus(es
);
960 EDIT_WM_SetFont(es
, (HFONT
)wParam
, LOWORD(lParam
) != 0);
964 /* FIXME: actually set an internal flag and behave accordingly */
968 EDIT_WM_SetText(es
, (LPCWSTR
)lParam
, unicode
);
973 EDIT_WM_Size(es
, (UINT
)wParam
, LOWORD(lParam
), HIWORD(lParam
));
976 case WM_STYLECHANGED
:
977 result
= EDIT_WM_StyleChanged(es
, wParam
, (const STYLESTRUCT
*)lParam
);
980 case WM_STYLECHANGING
:
981 result
= 0; /* See EDIT_WM_StyleChanged */
985 result
= EDIT_WM_SysKeyDown(es
, (INT
)wParam
, (DWORD
)lParam
);
993 result
= EDIT_WM_VScroll(es
, LOWORD(wParam
), (short)HIWORD(wParam
));
998 int gcWheelDelta
= 0;
999 UINT pulScrollLines
= 3;
1000 SystemParametersInfoW(SPI_GETWHEELSCROLLLINES
,0, &pulScrollLines
, 0);
1002 if (wParam
& (MK_SHIFT
| MK_CONTROL
)) {
1003 result
= DefWindowProcW(hwnd
, msg
, wParam
, lParam
);
1006 gcWheelDelta
-= GET_WHEEL_DELTA_WPARAM(wParam
);
1007 if (abs(gcWheelDelta
) >= WHEEL_DELTA
&& pulScrollLines
)
1009 int cLineScroll
= (int) min((UINT
) es
->line_count
, pulScrollLines
);
1010 cLineScroll
*= (gcWheelDelta
/ WHEEL_DELTA
);
1011 result
= EDIT_EM_LineScroll(es
, 0, cLineScroll
);
1017 /* IME messages to make the edit control IME aware */
1018 case WM_IME_SETCONTEXT
:
1021 case WM_IME_STARTCOMPOSITION
:
1023 * FIXME in IME: This message is not always sent like it should be
1025 if (es
->selection_start
!= es
->selection_end
)
1027 static const WCHAR empty_stringW
[] = {0};
1028 EDIT_EM_ReplaceSel(es
, TRUE
, empty_stringW
, TRUE
, TRUE
);
1030 es
->composition_start
= es
->selection_end
;
1031 es
->composition_len
= 0;
1034 case WM_IME_COMPOSITION
:
1036 int caret_pos
= es
->selection_end
;
1037 if (es
->composition_len
== 0)
1039 if (es
->selection_start
!= es
->selection_end
)
1041 static const WCHAR empty_stringW
[] = {0};
1042 EDIT_EM_ReplaceSel(es
, TRUE
, empty_stringW
, TRUE
, TRUE
);
1045 es
->composition_start
= es
->selection_end
;
1047 EDIT_ImeComposition(hwnd
,lParam
,es
);
1048 EDIT_SetCaretPos(es
, caret_pos
, es
->flags
& EF_AFTER_WRAP
);
1052 case WM_IME_ENDCOMPOSITION
:
1053 es
->composition_len
= 0;
1056 case WM_IME_COMPOSITIONFULL
:
1062 case WM_IME_CONTROL
:
1066 result
= DefWindowProcT(hwnd
, msg
, wParam
, lParam
, unicode
);
1070 if (es
) EDIT_UnlockBuffer(es
, FALSE
);
1072 TRACE("hwnd=%p msg=%x (%s) -- 0x%08lx\n", hwnd
, msg
, SPY_GetMsgName(msg
, hwnd
), result
);
1077 /*********************************************************************
1079 * EditWndProcW (USER32.@)
1081 LRESULT WINAPI
EditWndProcW(HWND hWnd
, UINT uMsg
, WPARAM wParam
, LPARAM lParam
)
1083 return EditWndProc_common(hWnd
, uMsg
, wParam
, lParam
, TRUE
);
1086 /*********************************************************************
1088 * EditWndProc (USER32.@)
1090 LRESULT WINAPI
EditWndProcA(HWND hWnd
, UINT uMsg
, WPARAM wParam
, LPARAM lParam
)
1092 return EditWndProc_common(hWnd
, uMsg
, wParam
, lParam
, FALSE
);
1095 /*********************************************************************
1097 * EDIT_BuildLineDefs_ML
1099 * Build linked list of text lines.
1100 * Lines can end with '\0' (last line), a character (if it is wrapped),
1101 * a soft return '\r\r\n' or a hard return '\r\n'
1104 static void EDIT_BuildLineDefs_ML(EDITSTATE
*es
, INT istart
, INT iend
, INT delta
, HRGN hrgn
)
1108 LPWSTR current_position
, cp
;
1110 LINEDEF
*current_line
;
1111 LINEDEF
*previous_line
;
1112 LINEDEF
*start_line
;
1113 INT line_index
= 0, nstart_line
= 0, nstart_index
= 0;
1114 INT line_count
= es
->line_count
;
1115 INT orig_net_length
;
1118 if (istart
== iend
&& delta
== 0)
1121 dc
= GetDC(es
->hwndSelf
);
1123 old_font
= SelectObject(dc
, es
->font
);
1125 previous_line
= NULL
;
1126 current_line
= es
->first_line_def
;
1128 /* Find starting line. istart must lie inside an existing line or
1129 * at the end of buffer */
1131 if (istart
< current_line
->index
+ current_line
->length
||
1132 current_line
->ending
== END_0
)
1135 previous_line
= current_line
;
1136 current_line
= current_line
->next
;
1138 } while (current_line
);
1140 if (!current_line
) /* Error occurred start is not inside previous buffer */
1142 FIXME(" modification occurred outside buffer\n");
1143 ReleaseDC(es
->hwndSelf
, dc
);
1147 /* Remember start of modifications in order to calculate update region */
1148 nstart_line
= line_index
;
1149 nstart_index
= current_line
->index
;
1151 /* We must start to reformat from the previous line since the modifications
1152 * may have caused the line to wrap upwards. */
1153 if (!(es
->style
& ES_AUTOHSCROLL
) && line_index
> 0)
1156 current_line
= previous_line
;
1158 start_line
= current_line
;
1160 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
1161 current_position
= es
->text
+ current_line
->index
;
1163 if (current_line
!= start_line
)
1165 if (!current_line
|| current_line
->index
+ delta
> current_position
- es
->text
)
1167 /* The buffer has been expanded, create a new line and
1168 insert it into the link list */
1169 LINEDEF
*new_line
= HeapAlloc(GetProcessHeap(), 0, sizeof(LINEDEF
));
1170 new_line
->next
= previous_line
->next
;
1171 previous_line
->next
= new_line
;
1172 current_line
= new_line
;
1175 else if (current_line
->index
+ delta
< current_position
- es
->text
)
1177 /* The previous line merged with this line so we delete this extra entry */
1178 previous_line
->next
= current_line
->next
;
1179 HeapFree(GetProcessHeap(), 0, current_line
);
1180 current_line
= previous_line
->next
;
1184 else /* current_line->index + delta == current_position */
1186 if (current_position
- es
->text
> iend
)
1187 break; /* We reached end of line modifications */
1188 /* else recalulate this line */
1192 current_line
->index
= current_position
- es
->text
;
1193 orig_net_length
= current_line
->net_length
;
1195 /* Find end of line */
1196 cp
= current_position
;
1198 if (*cp
== '\n') break;
1199 if ((*cp
== '\r') && (*(cp
+ 1) == '\n'))
1204 /* Mark type of line termination */
1206 current_line
->ending
= END_0
;
1207 current_line
->net_length
= strlenW(current_position
);
1208 } else if ((cp
> current_position
) && (*(cp
- 1) == '\r')) {
1209 current_line
->ending
= END_SOFT
;
1210 current_line
->net_length
= cp
- current_position
- 1;
1211 } else if (*cp
== '\n') {
1212 current_line
->ending
= END_RICH
;
1213 current_line
->net_length
= cp
- current_position
;
1215 current_line
->ending
= END_HARD
;
1216 current_line
->net_length
= cp
- current_position
;
1219 /* Calculate line width */
1220 current_line
->width
= (INT
)LOWORD(GetTabbedTextExtentW(dc
,
1221 current_position
, current_line
->net_length
,
1222 es
->tabs_count
, es
->tabs
));
1224 /* FIXME: check here for lines that are too wide even in AUTOHSCROLL (> 32767 ???) */
1225 if (!(es
->style
& ES_AUTOHSCROLL
)) {
1226 if (current_line
->width
> fw
) {
1231 next
= EDIT_CallWordBreakProc(es
, current_position
- es
->text
,
1232 prev
+ 1, current_line
->net_length
, WB_RIGHT
);
1233 current_line
->width
= (INT
)LOWORD(GetTabbedTextExtentW(dc
,
1234 current_position
, next
, es
->tabs_count
, es
->tabs
));
1235 } while (current_line
->width
<= fw
);
1236 if (!prev
) { /* Didn't find a line break so force a break */
1241 current_line
->width
= (INT
)LOWORD(GetTabbedTextExtentW(dc
,
1242 current_position
, next
, es
->tabs_count
, es
->tabs
));
1243 } while (current_line
->width
<= fw
);
1248 /* If the first line we are calculating, wrapped before istart, we must
1249 * adjust istart in order for this to be reflected in the update region. */
1250 if (current_line
->index
== nstart_index
&& istart
> current_line
->index
+ prev
)
1251 istart
= current_line
->index
+ prev
;
1252 /* else if we are updating the previous line before the first line we
1253 * are re-calculating and it expanded */
1254 else if (current_line
== start_line
&&
1255 current_line
->index
!= nstart_index
&& orig_net_length
< prev
)
1257 /* Line expanded due to an upwards line wrap so we must partially include
1258 * previous line in update region */
1259 nstart_line
= line_index
;
1260 nstart_index
= current_line
->index
;
1261 istart
= current_line
->index
+ orig_net_length
;
1264 current_line
->net_length
= prev
;
1265 current_line
->ending
= END_WRAP
;
1266 current_line
->width
= (INT
)LOWORD(GetTabbedTextExtentW(dc
, current_position
,
1267 current_line
->net_length
, es
->tabs_count
, es
->tabs
));
1269 else if (orig_net_length
< current_line
->net_length
&&
1270 current_line
== start_line
&&
1271 current_line
->index
!= nstart_index
) {
1272 /* The previous line expanded but it's still not as wide as the client rect */
1273 /* The expansion is due to an upwards line wrap so we must partially include
1274 it in the update region */
1275 nstart_line
= line_index
;
1276 nstart_index
= current_line
->index
;
1277 istart
= current_line
->index
+ orig_net_length
;
1282 /* Adjust length to include line termination */
1283 switch (current_line
->ending
) {
1285 current_line
->length
= current_line
->net_length
+ 3;
1288 current_line
->length
= current_line
->net_length
+ 1;
1291 current_line
->length
= current_line
->net_length
+ 2;
1295 current_line
->length
= current_line
->net_length
;
1298 es
->text_width
= max(es
->text_width
, current_line
->width
);
1299 current_position
+= current_line
->length
;
1300 previous_line
= current_line
;
1301 current_line
= current_line
->next
;
1303 } while (previous_line
->ending
!= END_0
);
1305 /* Finish adjusting line indexes by delta or remove hanging lines */
1306 if (previous_line
->ending
== END_0
)
1308 LINEDEF
*pnext
= NULL
;
1310 previous_line
->next
= NULL
;
1311 while (current_line
)
1313 pnext
= current_line
->next
;
1314 HeapFree(GetProcessHeap(), 0, current_line
);
1315 current_line
= pnext
;
1319 else if (delta
!= 0)
1321 while (current_line
)
1323 current_line
->index
+= delta
;
1324 current_line
= current_line
->next
;
1328 /* Calculate rest of modification rectangle */
1333 * We calculate two rectangles. One for the first line which may have
1334 * an indent with respect to the format rect. The other is a format-width
1335 * rectangle that spans the rest of the lines that changed or moved.
1337 rc
.top
= es
->format_rect
.top
+ nstart_line
* es
->line_height
-
1338 (es
->y_offset
* es
->line_height
); /* Adjust for vertical scrollbar */
1339 rc
.bottom
= rc
.top
+ es
->line_height
;
1340 if ((es
->style
& ES_CENTER
) || (es
->style
& ES_RIGHT
))
1341 rc
.left
= es
->format_rect
.left
;
1343 rc
.left
= es
->format_rect
.left
+ (INT
)LOWORD(GetTabbedTextExtentW(dc
,
1344 es
->text
+ nstart_index
, istart
- nstart_index
,
1345 es
->tabs_count
, es
->tabs
)) - es
->x_offset
; /* Adjust for horz scroll */
1346 rc
.right
= es
->format_rect
.right
;
1347 SetRectRgn(hrgn
, rc
.left
, rc
.top
, rc
.right
, rc
.bottom
);
1350 rc
.left
= es
->format_rect
.left
;
1351 rc
.right
= es
->format_rect
.right
;
1353 * If lines were added or removed we must re-paint the remainder of the
1354 * lines since the remaining lines were either shifted up or down.
1356 if (line_count
< es
->line_count
) /* We added lines */
1357 rc
.bottom
= es
->line_count
* es
->line_height
;
1358 else if (line_count
> es
->line_count
) /* We removed lines */
1359 rc
.bottom
= line_count
* es
->line_height
;
1361 rc
.bottom
= line_index
* es
->line_height
;
1362 rc
.bottom
+= es
->format_rect
.top
;
1363 rc
.bottom
-= (es
->y_offset
* es
->line_height
); /* Adjust for vertical scrollbar */
1364 tmphrgn
= CreateRectRgn(rc
.left
, rc
.top
, rc
.right
, rc
.bottom
);
1365 CombineRgn(hrgn
, hrgn
, tmphrgn
, RGN_OR
);
1366 DeleteObject(tmphrgn
);
1370 SelectObject(dc
, old_font
);
1372 ReleaseDC(es
->hwndSelf
, dc
);
1375 /*********************************************************************
1377 * EDIT_CalcLineWidth_SL
1380 static void EDIT_CalcLineWidth_SL(EDITSTATE
*es
)
1387 text
= EDIT_GetPasswordPointer_SL(es
);
1389 dc
= GetDC(es
->hwndSelf
);
1391 old_font
= SelectObject(dc
, es
->font
);
1393 GetTextExtentPoint32W(dc
, text
, strlenW(text
), &size
);
1396 SelectObject(dc
, old_font
);
1397 ReleaseDC(es
->hwndSelf
, dc
);
1399 if (es
->style
& ES_PASSWORD
)
1400 HeapFree(GetProcessHeap(), 0, text
);
1402 es
->text_width
= size
.cx
;
1405 /*********************************************************************
1407 * EDIT_CallWordBreakProc
1409 * Call appropriate WordBreakProc (internal or external).
1411 * Note: The "start" argument should always be an index referring
1412 * to es->text. The actual wordbreak proc might be
1413 * 16 bit, so we can't always pass any 32 bit LPSTR.
1414 * Hence we assume that es->text is the buffer that holds
1415 * the string under examination (we can decide this for ourselves).
1418 static INT
EDIT_CallWordBreakProc(EDITSTATE
*es
, INT start
, INT index
, INT count
, INT action
)
1422 if (es
->word_break_proc16
) {
1429 countA
= WideCharToMultiByte(CP_ACP
, 0, es
->text
+ start
, count
, NULL
, 0, NULL
, NULL
);
1430 hglob16
= GlobalAlloc16(GMEM_MOVEABLE
| GMEM_ZEROINIT
, countA
);
1431 segptr
= WOWGlobalLock16(hglob16
);
1432 WideCharToMultiByte(CP_ACP
, 0, es
->text
+ start
, count
, MapSL(segptr
), countA
, NULL
, NULL
);
1433 args
[4] = SELECTOROF(segptr
);
1434 args
[3] = OFFSETOF(segptr
);
1438 WOWCallback16Ex((DWORD
)es
->word_break_proc16
, WCB16_PASCAL
, sizeof(args
), args
, &result
);
1439 ret
= LOWORD(result
);
1440 GlobalUnlock16(hglob16
);
1441 GlobalFree16(hglob16
);
1443 else if (es
->word_break_proc
)
1447 EDITWORDBREAKPROCW wbpW
= (EDITWORDBREAKPROCW
)es
->word_break_proc
;
1449 TRACE_(relay
)("(UNICODE wordbrk=%p,str=%s,idx=%d,cnt=%d,act=%d)\n",
1450 es
->word_break_proc
, debugstr_wn(es
->text
+ start
, count
), index
, count
, action
);
1451 ret
= wbpW(es
->text
+ start
, index
, count
, action
);
1455 EDITWORDBREAKPROCA wbpA
= (EDITWORDBREAKPROCA
)es
->word_break_proc
;
1459 countA
= WideCharToMultiByte(CP_ACP
, 0, es
->text
+ start
, count
, NULL
, 0, NULL
, NULL
);
1460 textA
= HeapAlloc(GetProcessHeap(), 0, countA
);
1461 WideCharToMultiByte(CP_ACP
, 0, es
->text
+ start
, count
, textA
, countA
, NULL
, NULL
);
1462 TRACE_(relay
)("(ANSI wordbrk=%p,str=%s,idx=%d,cnt=%d,act=%d)\n",
1463 es
->word_break_proc
, debugstr_an(textA
, countA
), index
, countA
, action
);
1464 ret
= wbpA(textA
, index
, countA
, action
);
1465 HeapFree(GetProcessHeap(), 0, textA
);
1469 ret
= EDIT_WordBreakProc(es
->text
+ start
, index
, count
, action
);
1475 /*********************************************************************
1479 * Beware: This is not the function called on EM_CHARFROMPOS
1480 * The position _can_ be outside the formatting / client
1482 * The return value is only the character index
1485 static INT
EDIT_CharFromPos(EDITSTATE
*es
, INT x
, INT y
, LPBOOL after_wrap
)
1490 INT x_high
= 0, x_low
= 0;
1492 if (es
->style
& ES_MULTILINE
) {
1493 INT line
= (y
- es
->format_rect
.top
) / es
->line_height
+ es
->y_offset
;
1495 LINEDEF
*line_def
= es
->first_line_def
;
1497 while ((line
> 0) && line_def
->next
) {
1498 line_index
+= line_def
->length
;
1499 line_def
= line_def
->next
;
1502 x
+= es
->x_offset
- es
->format_rect
.left
;
1503 if (es
->style
& ES_RIGHT
)
1504 x
-= (es
->format_rect
.right
- es
->format_rect
.left
) - line_def
->width
;
1505 else if (es
->style
& ES_CENTER
)
1506 x
-= ((es
->format_rect
.right
- es
->format_rect
.left
) - line_def
->width
) / 2;
1507 if (x
>= line_def
->width
) {
1509 *after_wrap
= (line_def
->ending
== END_WRAP
);
1510 return line_index
+ line_def
->net_length
;
1514 *after_wrap
= FALSE
;
1517 dc
= GetDC(es
->hwndSelf
);
1519 old_font
= SelectObject(dc
, es
->font
);
1521 high
= line_index
+ line_def
->net_length
+ 1;
1522 while (low
< high
- 1)
1524 INT mid
= (low
+ high
) / 2;
1525 INT x_now
= LOWORD(GetTabbedTextExtentW(dc
, es
->text
+ line_index
, mid
- line_index
, es
->tabs_count
, es
->tabs
));
1534 if (abs(x_high
- x
) + 1 <= abs(x_low
- x
))
1540 *after_wrap
= ((index
== line_index
+ line_def
->net_length
) &&
1541 (line_def
->ending
== END_WRAP
));
1546 *after_wrap
= FALSE
;
1547 x
-= es
->format_rect
.left
;
1549 return es
->x_offset
;
1553 INT indent
= (es
->format_rect
.right
- es
->format_rect
.left
) - es
->text_width
;
1554 if (es
->style
& ES_RIGHT
)
1556 else if (es
->style
& ES_CENTER
)
1560 text
= EDIT_GetPasswordPointer_SL(es
);
1561 dc
= GetDC(es
->hwndSelf
);
1563 old_font
= SelectObject(dc
, es
->font
);
1567 INT high
= es
->x_offset
;
1568 while (low
< high
- 1)
1570 INT mid
= (low
+ high
) / 2;
1571 GetTextExtentPoint32W( dc
, text
+ mid
,
1572 es
->x_offset
- mid
, &size
);
1581 if (abs(x_high
+ x
) <= abs(x_low
+ x
) + 1)
1588 INT low
= es
->x_offset
;
1589 INT high
= get_text_length(es
) + 1;
1590 while (low
< high
- 1)
1592 INT mid
= (low
+ high
) / 2;
1593 GetTextExtentPoint32W( dc
, text
+ es
->x_offset
,
1594 mid
- es
->x_offset
, &size
);
1603 if (abs(x_high
- x
) <= abs(x_low
- x
) + 1)
1608 if (es
->style
& ES_PASSWORD
)
1609 HeapFree(GetProcessHeap(), 0, text
);
1612 SelectObject(dc
, old_font
);
1613 ReleaseDC(es
->hwndSelf
, dc
);
1618 /*********************************************************************
1622 * adjusts the point to be within the formatting rectangle
1623 * (so CharFromPos returns the nearest _visible_ character)
1626 static void EDIT_ConfinePoint(EDITSTATE
*es
, LPINT x
, LPINT y
)
1628 *x
= min(max(*x
, es
->format_rect
.left
), es
->format_rect
.right
- 1);
1629 *y
= min(max(*y
, es
->format_rect
.top
), es
->format_rect
.bottom
- 1);
1633 /*********************************************************************
1637 * Calculates the bounding rectangle for a line from a starting
1638 * column to an ending column.
1641 static void EDIT_GetLineRect(EDITSTATE
*es
, INT line
, INT scol
, INT ecol
, LPRECT rc
)
1643 INT line_index
= EDIT_EM_LineIndex(es
, line
);
1645 if (es
->style
& ES_MULTILINE
)
1646 rc
->top
= es
->format_rect
.top
+ (line
- es
->y_offset
) * es
->line_height
;
1648 rc
->top
= es
->format_rect
.top
;
1649 rc
->bottom
= rc
->top
+ es
->line_height
;
1650 rc
->left
= (scol
== 0) ? es
->format_rect
.left
: (short)LOWORD(EDIT_EM_PosFromChar(es
, line_index
+ scol
, TRUE
));
1651 rc
->right
= (ecol
== -1) ? es
->format_rect
.right
: (short)LOWORD(EDIT_EM_PosFromChar(es
, line_index
+ ecol
, TRUE
));
1655 /*********************************************************************
1657 * EDIT_GetPasswordPointer_SL
1659 * note: caller should free the (optionally) allocated buffer
1662 static LPWSTR
EDIT_GetPasswordPointer_SL(EDITSTATE
*es
)
1664 if (es
->style
& ES_PASSWORD
) {
1665 INT len
= get_text_length(es
);
1666 LPWSTR text
= HeapAlloc(GetProcessHeap(), 0, (len
+ 1) * sizeof(WCHAR
));
1668 while(len
) text
[--len
] = es
->password_char
;
1675 /*********************************************************************
1679 * This acts as a LocalLock16(), but it locks only once. This way
1680 * you can call it whenever you like, without unlocking.
1682 * Initially the edit control allocates a HLOCAL32 buffer
1683 * (32 bit linear memory handler). However, 16 bit application
1684 * might send an EM_GETHANDLE message and expect a HLOCAL16 (16 bit SEG:OFF
1685 * handler). From that moment on we have to keep using this 16 bit memory
1686 * handler, because it is supposed to be valid at all times after EM_GETHANDLE.
1687 * What we do is create a HLOCAL16 buffer, copy the text, and do pointer
1691 static void EDIT_LockBuffer(EDITSTATE
*es
)
1693 STACK16FRAME
* stack16
= MapSL(PtrToUlong(NtCurrentTeb()->WOW32Reserved
));
1694 HINSTANCE16 hInstance
= GetWindowLongPtrW( es
->hwndSelf
, GWLP_HINSTANCE
);
1699 BOOL _16bit
= FALSE
;
1705 TRACE("Synchronizing with 32-bit ANSI buffer\n");
1706 textA
= LocalLock(es
->hloc32A
);
1707 countA
= strlen(textA
) + 1;
1711 HANDLE16 oldDS
= stack16
->ds
;
1712 TRACE("Synchronizing with 16-bit ANSI buffer\n");
1713 stack16
->ds
= hInstance
;
1714 textA
= MapSL(LocalLock16(es
->hloc16
));
1715 stack16
->ds
= oldDS
;
1716 countA
= strlen(textA
) + 1;
1721 ERR("no buffer ... please report\n");
1728 UINT countW_new
= MultiByteToWideChar(CP_ACP
, 0, textA
, countA
, NULL
, 0);
1729 TRACE("%d bytes translated to %d WCHARs\n", countA
, countW_new
);
1730 if(countW_new
> es
->buffer_size
+ 1)
1732 UINT alloc_size
= ROUND_TO_GROW(countW_new
* sizeof(WCHAR
));
1733 TRACE("Resizing 32-bit UNICODE buffer from %d+1 to %d WCHARs\n", es
->buffer_size
, countW_new
);
1734 hloc32W_new
= LocalReAlloc(es
->hloc32W
, alloc_size
, LMEM_MOVEABLE
| LMEM_ZEROINIT
);
1737 es
->hloc32W
= hloc32W_new
;
1738 es
->buffer_size
= LocalSize(hloc32W_new
)/sizeof(WCHAR
) - 1;
1739 TRACE("Real new size %d+1 WCHARs\n", es
->buffer_size
);
1742 WARN("FAILED! Will synchronize partially\n");
1746 /*TRACE("Locking 32-bit UNICODE buffer\n");*/
1747 es
->text
= LocalLock(es
->hloc32W
);
1751 MultiByteToWideChar(CP_ACP
, 0, textA
, countA
, es
->text
, es
->buffer_size
+ 1);
1754 HANDLE16 oldDS
= stack16
->ds
;
1755 stack16
->ds
= hInstance
;
1756 LocalUnlock16(es
->hloc16
);
1757 stack16
->ds
= oldDS
;
1760 LocalUnlock(es
->hloc32A
);
1763 if(es
->flags
& EF_APP_HAS_HANDLE
) text_buffer_changed(es
);
1768 /*********************************************************************
1770 * EDIT_SL_InvalidateText
1772 * Called from EDIT_InvalidateText().
1773 * Does the job for single-line controls only.
1776 static void EDIT_SL_InvalidateText(EDITSTATE
*es
, INT start
, INT end
)
1781 EDIT_GetLineRect(es
, 0, start
, end
, &line_rect
);
1782 if (IntersectRect(&rc
, &line_rect
, &es
->format_rect
))
1783 EDIT_UpdateText(es
, &rc
, TRUE
);
1787 /*********************************************************************
1789 * EDIT_ML_InvalidateText
1791 * Called from EDIT_InvalidateText().
1792 * Does the job for multi-line controls only.
1795 static void EDIT_ML_InvalidateText(EDITSTATE
*es
, INT start
, INT end
)
1797 INT vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
1798 INT sl
= EDIT_EM_LineFromChar(es
, start
);
1799 INT el
= EDIT_EM_LineFromChar(es
, end
);
1808 if ((el
< es
->y_offset
) || (sl
> es
->y_offset
+ vlc
))
1811 sc
= start
- EDIT_EM_LineIndex(es
, sl
);
1812 ec
= end
- EDIT_EM_LineIndex(es
, el
);
1813 if (sl
< es
->y_offset
) {
1817 if (el
> es
->y_offset
+ vlc
) {
1818 el
= es
->y_offset
+ vlc
;
1819 ec
= EDIT_EM_LineLength(es
, EDIT_EM_LineIndex(es
, el
));
1821 GetClientRect(es
->hwndSelf
, &rc1
);
1822 IntersectRect(&rcWnd
, &rc1
, &es
->format_rect
);
1824 EDIT_GetLineRect(es
, sl
, sc
, ec
, &rcLine
);
1825 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1826 EDIT_UpdateText(es
, &rcUpdate
, TRUE
);
1828 EDIT_GetLineRect(es
, sl
, sc
,
1829 EDIT_EM_LineLength(es
,
1830 EDIT_EM_LineIndex(es
, sl
)),
1832 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1833 EDIT_UpdateText(es
, &rcUpdate
, TRUE
);
1834 for (l
= sl
+ 1 ; l
< el
; l
++) {
1835 EDIT_GetLineRect(es
, l
, 0,
1836 EDIT_EM_LineLength(es
,
1837 EDIT_EM_LineIndex(es
, l
)),
1839 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1840 EDIT_UpdateText(es
, &rcUpdate
, TRUE
);
1842 EDIT_GetLineRect(es
, el
, 0, ec
, &rcLine
);
1843 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1844 EDIT_UpdateText(es
, &rcUpdate
, TRUE
);
1849 /*********************************************************************
1851 * EDIT_InvalidateText
1853 * Invalidate the text from offset start up to, but not including,
1854 * offset end. Useful for (re)painting the selection.
1855 * Regions outside the linewidth are not invalidated.
1856 * end == -1 means end == TextLength.
1857 * start and end need not be ordered.
1860 static void EDIT_InvalidateText(EDITSTATE
*es
, INT start
, INT end
)
1866 end
= get_text_length(es
);
1874 if (es
->style
& ES_MULTILINE
)
1875 EDIT_ML_InvalidateText(es
, start
, end
);
1877 EDIT_SL_InvalidateText(es
, start
, end
);
1881 /*********************************************************************
1885 * Try to fit size + 1 characters in the buffer.
1887 static BOOL
EDIT_MakeFit(EDITSTATE
*es
, UINT size
)
1891 if (size
<= es
->buffer_size
)
1894 TRACE("trying to ReAlloc to %d+1 characters\n", size
);
1896 /* Force edit to unlock it's buffer. es->text now NULL */
1897 EDIT_UnlockBuffer(es
, TRUE
);
1900 UINT alloc_size
= ROUND_TO_GROW((size
+ 1) * sizeof(WCHAR
));
1901 if ((hNew32W
= LocalReAlloc(es
->hloc32W
, alloc_size
, LMEM_MOVEABLE
| LMEM_ZEROINIT
))) {
1902 TRACE("Old 32 bit handle %p, new handle %p\n", es
->hloc32W
, hNew32W
);
1903 es
->hloc32W
= hNew32W
;
1904 es
->buffer_size
= LocalSize(hNew32W
)/sizeof(WCHAR
) - 1;
1908 EDIT_LockBuffer(es
);
1910 if (es
->buffer_size
< size
) {
1911 WARN("FAILED ! We now have %d+1\n", es
->buffer_size
);
1912 EDIT_NOTIFY_PARENT(es
, EN_ERRSPACE
);
1915 TRACE("We now have %d+1\n", es
->buffer_size
);
1921 /*********************************************************************
1925 * Try to fit size + 1 bytes in the undo buffer.
1928 static BOOL
EDIT_MakeUndoFit(EDITSTATE
*es
, UINT size
)
1932 if (size
<= es
->undo_buffer_size
)
1935 TRACE("trying to ReAlloc to %d+1\n", size
);
1937 alloc_size
= ROUND_TO_GROW((size
+ 1) * sizeof(WCHAR
));
1938 if ((es
->undo_text
= HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, es
->undo_text
, alloc_size
))) {
1939 es
->undo_buffer_size
= alloc_size
/sizeof(WCHAR
) - 1;
1944 WARN("FAILED ! We now have %d+1\n", es
->undo_buffer_size
);
1950 /*********************************************************************
1955 static void EDIT_MoveBackward(EDITSTATE
*es
, BOOL extend
)
1957 INT e
= es
->selection_end
;
1961 if ((es
->style
& ES_MULTILINE
) && e
&&
1962 (es
->text
[e
- 1] == '\r') && (es
->text
[e
] == '\n')) {
1964 if (e
&& (es
->text
[e
- 1] == '\r'))
1968 EDIT_EM_SetSel(es
, extend
? es
->selection_start
: e
, e
, FALSE
);
1969 EDIT_EM_ScrollCaret(es
);
1973 /*********************************************************************
1977 * Only for multi line controls
1978 * Move the caret one line down, on a column with the nearest
1979 * x coordinate on the screen (might be a different column).
1982 static void EDIT_MoveDown_ML(EDITSTATE
*es
, BOOL extend
)
1984 INT s
= es
->selection_start
;
1985 INT e
= es
->selection_end
;
1986 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
1987 LRESULT pos
= EDIT_EM_PosFromChar(es
, e
, after_wrap
);
1988 INT x
= (short)LOWORD(pos
);
1989 INT y
= (short)HIWORD(pos
);
1991 e
= EDIT_CharFromPos(es
, x
, y
+ es
->line_height
, &after_wrap
);
1994 EDIT_EM_SetSel(es
, s
, e
, after_wrap
);
1995 EDIT_EM_ScrollCaret(es
);
1999 /*********************************************************************
2004 static void EDIT_MoveEnd(EDITSTATE
*es
, BOOL extend
)
2006 BOOL after_wrap
= FALSE
;
2009 /* Pass a high value in x to make sure of receiving the end of the line */
2010 if (es
->style
& ES_MULTILINE
)
2011 e
= EDIT_CharFromPos(es
, 0x3fffffff,
2012 HIWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
)), &after_wrap
);
2014 e
= get_text_length(es
);
2015 EDIT_EM_SetSel(es
, extend
? es
->selection_start
: e
, e
, after_wrap
);
2016 EDIT_EM_ScrollCaret(es
);
2020 /*********************************************************************
2025 static void EDIT_MoveForward(EDITSTATE
*es
, BOOL extend
)
2027 INT e
= es
->selection_end
;
2031 if ((es
->style
& ES_MULTILINE
) && (es
->text
[e
- 1] == '\r')) {
2032 if (es
->text
[e
] == '\n')
2034 else if ((es
->text
[e
] == '\r') && (es
->text
[e
+ 1] == '\n'))
2038 EDIT_EM_SetSel(es
, extend
? es
->selection_start
: e
, e
, FALSE
);
2039 EDIT_EM_ScrollCaret(es
);
2043 /*********************************************************************
2047 * Home key: move to beginning of line.
2050 static void EDIT_MoveHome(EDITSTATE
*es
, BOOL extend
)
2054 /* Pass the x_offset in x to make sure of receiving the first position of the line */
2055 if (es
->style
& ES_MULTILINE
)
2056 e
= EDIT_CharFromPos(es
, -es
->x_offset
,
2057 HIWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
)), NULL
);
2060 EDIT_EM_SetSel(es
, extend
? es
->selection_start
: e
, e
, FALSE
);
2061 EDIT_EM_ScrollCaret(es
);
2065 /*********************************************************************
2067 * EDIT_MovePageDown_ML
2069 * Only for multi line controls
2070 * Move the caret one page down, on a column with the nearest
2071 * x coordinate on the screen (might be a different column).
2074 static void EDIT_MovePageDown_ML(EDITSTATE
*es
, BOOL extend
)
2076 INT s
= es
->selection_start
;
2077 INT e
= es
->selection_end
;
2078 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
2079 LRESULT pos
= EDIT_EM_PosFromChar(es
, e
, after_wrap
);
2080 INT x
= (short)LOWORD(pos
);
2081 INT y
= (short)HIWORD(pos
);
2083 e
= EDIT_CharFromPos(es
, x
,
2084 y
+ (es
->format_rect
.bottom
- es
->format_rect
.top
),
2088 EDIT_EM_SetSel(es
, s
, e
, after_wrap
);
2089 EDIT_EM_ScrollCaret(es
);
2093 /*********************************************************************
2095 * EDIT_MovePageUp_ML
2097 * Only for multi line controls
2098 * Move the caret one page up, on a column with the nearest
2099 * x coordinate on the screen (might be a different column).
2102 static void EDIT_MovePageUp_ML(EDITSTATE
*es
, BOOL extend
)
2104 INT s
= es
->selection_start
;
2105 INT e
= es
->selection_end
;
2106 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
2107 LRESULT pos
= EDIT_EM_PosFromChar(es
, e
, after_wrap
);
2108 INT x
= (short)LOWORD(pos
);
2109 INT y
= (short)HIWORD(pos
);
2111 e
= EDIT_CharFromPos(es
, x
,
2112 y
- (es
->format_rect
.bottom
- es
->format_rect
.top
),
2116 EDIT_EM_SetSel(es
, s
, e
, after_wrap
);
2117 EDIT_EM_ScrollCaret(es
);
2121 /*********************************************************************
2125 * Only for multi line controls
2126 * Move the caret one line up, on a column with the nearest
2127 * x coordinate on the screen (might be a different column).
2130 static void EDIT_MoveUp_ML(EDITSTATE
*es
, BOOL extend
)
2132 INT s
= es
->selection_start
;
2133 INT e
= es
->selection_end
;
2134 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
2135 LRESULT pos
= EDIT_EM_PosFromChar(es
, e
, after_wrap
);
2136 INT x
= (short)LOWORD(pos
);
2137 INT y
= (short)HIWORD(pos
);
2139 e
= EDIT_CharFromPos(es
, x
, y
- es
->line_height
, &after_wrap
);
2142 EDIT_EM_SetSel(es
, s
, e
, after_wrap
);
2143 EDIT_EM_ScrollCaret(es
);
2147 /*********************************************************************
2149 * EDIT_MoveWordBackward
2152 static void EDIT_MoveWordBackward(EDITSTATE
*es
, BOOL extend
)
2154 INT s
= es
->selection_start
;
2155 INT e
= es
->selection_end
;
2160 l
= EDIT_EM_LineFromChar(es
, e
);
2161 ll
= EDIT_EM_LineLength(es
, e
);
2162 li
= EDIT_EM_LineIndex(es
, l
);
2165 li
= EDIT_EM_LineIndex(es
, l
- 1);
2166 e
= li
+ EDIT_EM_LineLength(es
, li
);
2169 e
= li
+ (INT
)EDIT_CallWordBreakProc(es
,
2170 li
, e
- li
, ll
, WB_LEFT
);
2174 EDIT_EM_SetSel(es
, s
, e
, FALSE
);
2175 EDIT_EM_ScrollCaret(es
);
2179 /*********************************************************************
2181 * EDIT_MoveWordForward
2184 static void EDIT_MoveWordForward(EDITSTATE
*es
, BOOL extend
)
2186 INT s
= es
->selection_start
;
2187 INT e
= es
->selection_end
;
2192 l
= EDIT_EM_LineFromChar(es
, e
);
2193 ll
= EDIT_EM_LineLength(es
, e
);
2194 li
= EDIT_EM_LineIndex(es
, l
);
2196 if ((es
->style
& ES_MULTILINE
) && (l
!= es
->line_count
- 1))
2197 e
= EDIT_EM_LineIndex(es
, l
+ 1);
2199 e
= li
+ EDIT_CallWordBreakProc(es
,
2200 li
, e
- li
+ 1, ll
, WB_RIGHT
);
2204 EDIT_EM_SetSel(es
, s
, e
, FALSE
);
2205 EDIT_EM_ScrollCaret(es
);
2209 /*********************************************************************
2214 static void EDIT_PaintLine(EDITSTATE
*es
, HDC dc
, INT line
, BOOL rev
)
2216 INT s
= es
->selection_start
;
2217 INT e
= es
->selection_end
;
2224 if (es
->style
& ES_MULTILINE
) {
2225 INT vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
2226 if ((line
< es
->y_offset
) || (line
> es
->y_offset
+ vlc
) || (line
>= es
->line_count
))
2231 TRACE("line=%d\n", line
);
2233 pos
= EDIT_EM_PosFromChar(es
, EDIT_EM_LineIndex(es
, line
), FALSE
);
2234 x
= (short)LOWORD(pos
);
2235 y
= (short)HIWORD(pos
);
2236 li
= EDIT_EM_LineIndex(es
, line
);
2237 ll
= EDIT_EM_LineLength(es
, li
);
2238 s
= min(es
->selection_start
, es
->selection_end
);
2239 e
= max(es
->selection_start
, es
->selection_end
);
2240 s
= min(li
+ ll
, max(li
, s
));
2241 e
= min(li
+ ll
, max(li
, e
));
2242 if (rev
&& (s
!= e
) &&
2243 ((es
->flags
& EF_FOCUSED
) || (es
->style
& ES_NOHIDESEL
))) {
2244 x
+= EDIT_PaintText(es
, dc
, x
, y
, line
, 0, s
- li
, FALSE
);
2245 x
+= EDIT_PaintText(es
, dc
, x
, y
, line
, s
- li
, e
- s
, TRUE
);
2246 x
+= EDIT_PaintText(es
, dc
, x
, y
, line
, e
- li
, li
+ ll
- e
, FALSE
);
2248 x
+= EDIT_PaintText(es
, dc
, x
, y
, line
, 0, ll
, FALSE
);
2252 /*********************************************************************
2257 static INT
EDIT_PaintText(EDITSTATE
*es
, HDC dc
, INT x
, INT y
, INT line
, INT col
, INT count
, BOOL rev
)
2261 LOGFONTW underline_font
;
2262 HFONT hUnderline
= 0;
2271 BkMode
= GetBkMode(dc
);
2272 BkColor
= GetBkColor(dc
);
2273 TextColor
= GetTextColor(dc
);
2275 if (es
->composition_len
== 0)
2277 SetBkColor(dc
, GetSysColor(COLOR_HIGHLIGHT
));
2278 SetTextColor(dc
, GetSysColor(COLOR_HIGHLIGHTTEXT
));
2279 SetBkMode( dc
, OPAQUE
);
2283 HFONT current
= GetCurrentObject(dc
,OBJ_FONT
);
2284 GetObjectW(current
,sizeof(LOGFONTW
),&underline_font
);
2285 underline_font
.lfUnderline
= TRUE
;
2286 hUnderline
= CreateFontIndirectW(&underline_font
);
2287 old_font
= SelectObject(dc
,hUnderline
);
2290 li
= EDIT_EM_LineIndex(es
, line
);
2291 if (es
->style
& ES_MULTILINE
) {
2292 ret
= (INT
)LOWORD(TabbedTextOutW(dc
, x
, y
, es
->text
+ li
+ col
, count
,
2293 es
->tabs_count
, es
->tabs
, es
->format_rect
.left
- es
->x_offset
));
2295 LPWSTR text
= EDIT_GetPasswordPointer_SL(es
);
2296 TextOutW(dc
, x
, y
, text
+ li
+ col
, count
);
2297 GetTextExtentPoint32W(dc
, text
+ li
+ col
, count
, &size
);
2299 if (es
->style
& ES_PASSWORD
)
2300 HeapFree(GetProcessHeap(), 0, text
);
2303 if (es
->composition_len
== 0)
2305 SetBkColor(dc
, BkColor
);
2306 SetTextColor(dc
, TextColor
);
2307 SetBkMode( dc
, BkMode
);
2312 SelectObject(dc
,old_font
);
2314 DeleteObject(hUnderline
);
2321 /*********************************************************************
2326 static void EDIT_SetCaretPos(EDITSTATE
*es
, INT pos
,
2329 LRESULT res
= EDIT_EM_PosFromChar(es
, pos
, after_wrap
);
2330 TRACE("%d - %dx%d\n", pos
, (short)LOWORD(res
), (short)HIWORD(res
));
2331 SetCaretPos((short)LOWORD(res
), (short)HIWORD(res
));
2335 /*********************************************************************
2337 * EDIT_AdjustFormatRect
2339 * Adjusts the format rectangle for the current font and the
2340 * current client rectangle.
2343 static void EDIT_AdjustFormatRect(EDITSTATE
*es
)
2347 es
->format_rect
.right
= max(es
->format_rect
.right
, es
->format_rect
.left
+ es
->char_width
);
2348 if (es
->style
& ES_MULTILINE
)
2350 INT fw
, vlc
, max_x_offset
, max_y_offset
;
2352 vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
2353 es
->format_rect
.bottom
= es
->format_rect
.top
+ max(1, vlc
) * es
->line_height
;
2355 /* correct es->x_offset */
2356 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
2357 max_x_offset
= es
->text_width
- fw
;
2358 if(max_x_offset
< 0) max_x_offset
= 0;
2359 if(es
->x_offset
> max_x_offset
)
2360 es
->x_offset
= max_x_offset
;
2362 /* correct es->y_offset */
2363 max_y_offset
= es
->line_count
- vlc
;
2364 if(max_y_offset
< 0) max_y_offset
= 0;
2365 if(es
->y_offset
> max_y_offset
)
2366 es
->y_offset
= max_y_offset
;
2368 /* force scroll info update */
2369 EDIT_UpdateScrollInfo(es
);
2372 /* Windows doesn't care to fix text placement for SL controls */
2373 es
->format_rect
.bottom
= es
->format_rect
.top
+ es
->line_height
;
2375 /* Always stay within the client area */
2376 GetClientRect(es
->hwndSelf
, &ClientRect
);
2377 es
->format_rect
.bottom
= min(es
->format_rect
.bottom
, ClientRect
.bottom
);
2379 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_AUTOHSCROLL
))
2380 EDIT_BuildLineDefs_ML(es
, 0, get_text_length(es
), 0, NULL
);
2382 EDIT_SetCaretPos(es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
);
2386 /*********************************************************************
2390 * note: this is not (exactly) the handler called on EM_SETRECTNP
2391 * it is also used to set the rect of a single line control
2394 static void EDIT_SetRectNP(EDITSTATE
*es
, LPRECT rc
)
2398 ExStyle
= GetWindowLongPtrW(es
->hwndSelf
, GWL_EXSTYLE
);
2400 CopyRect(&es
->format_rect
, rc
);
2402 if (ExStyle
& WS_EX_CLIENTEDGE
) {
2403 es
->format_rect
.left
++;
2404 es
->format_rect
.right
--;
2406 if (es
->format_rect
.bottom
- es
->format_rect
.top
2407 >= es
->line_height
+ 2)
2409 es
->format_rect
.top
++;
2410 es
->format_rect
.bottom
--;
2413 else if (es
->style
& WS_BORDER
) {
2414 bw
= GetSystemMetrics(SM_CXBORDER
) + 1;
2415 bh
= GetSystemMetrics(SM_CYBORDER
) + 1;
2416 es
->format_rect
.left
+= bw
;
2417 es
->format_rect
.right
-= bw
;
2418 if (es
->format_rect
.bottom
- es
->format_rect
.top
2419 >= es
->line_height
+ 2 * bh
)
2421 es
->format_rect
.top
+= bh
;
2422 es
->format_rect
.bottom
-= bh
;
2426 es
->format_rect
.left
+= es
->left_margin
;
2427 es
->format_rect
.right
-= es
->right_margin
;
2428 EDIT_AdjustFormatRect(es
);
2432 /*********************************************************************
2437 static void EDIT_UnlockBuffer(EDITSTATE
*es
, BOOL force
)
2440 /* Edit window might be already destroyed */
2441 if(!IsWindow(es
->hwndSelf
))
2443 WARN("edit hwnd %p already destroyed\n", es
->hwndSelf
);
2447 if (!es
->lock_count
) {
2448 ERR("lock_count == 0 ... please report\n");
2452 ERR("es->text == 0 ... please report\n");
2456 if (force
|| (es
->lock_count
== 1)) {
2460 UINT countW
= get_text_length(es
) + 1;
2461 STACK16FRAME
* stack16
= NULL
;
2466 UINT countA_new
= WideCharToMultiByte(CP_ACP
, 0, es
->text
, countW
, NULL
, 0, NULL
, NULL
);
2467 TRACE("Synchronizing with 32-bit ANSI buffer\n");
2468 TRACE("%d WCHARs translated to %d bytes\n", countW
, countA_new
);
2469 countA
= LocalSize(es
->hloc32A
);
2470 if(countA_new
> countA
)
2473 UINT alloc_size
= ROUND_TO_GROW(countA_new
);
2474 TRACE("Resizing 32-bit ANSI buffer from %d to %d bytes\n", countA
, alloc_size
);
2475 hloc32A_new
= LocalReAlloc(es
->hloc32A
, alloc_size
, LMEM_MOVEABLE
| LMEM_ZEROINIT
);
2478 es
->hloc32A
= hloc32A_new
;
2479 countA
= LocalSize(hloc32A_new
);
2480 TRACE("Real new size %d bytes\n", countA
);
2483 WARN("FAILED! Will synchronize partially\n");
2485 textA
= LocalLock(es
->hloc32A
);
2489 UINT countA_new
= WideCharToMultiByte(CP_ACP
, 0, es
->text
, countW
, NULL
, 0, NULL
, NULL
);
2491 TRACE("Synchronizing with 16-bit ANSI buffer\n");
2492 TRACE("%d WCHARs translated to %d bytes\n", countW
, countA_new
);
2494 stack16
= MapSL(PtrToUlong(NtCurrentTeb()->WOW32Reserved
));
2495 oldDS
= stack16
->ds
;
2496 stack16
->ds
= GetWindowLongPtrW( es
->hwndSelf
, GWLP_HINSTANCE
);
2498 countA
= LocalSize16(es
->hloc16
);
2499 if(countA_new
> countA
)
2501 HLOCAL16 hloc16_new
;
2502 UINT alloc_size
= ROUND_TO_GROW(countA_new
);
2503 TRACE("Resizing 16-bit ANSI buffer from %d to %d bytes\n", countA
, alloc_size
);
2504 hloc16_new
= LocalReAlloc16(es
->hloc16
, alloc_size
, LMEM_MOVEABLE
| LMEM_ZEROINIT
);
2507 es
->hloc16
= hloc16_new
;
2508 countA
= LocalSize16(hloc16_new
);
2509 TRACE("Real new size %d bytes\n", countA
);
2512 WARN("FAILED! Will synchronize partially\n");
2514 textA
= MapSL(LocalLock16(es
->hloc16
));
2519 WideCharToMultiByte(CP_ACP
, 0, es
->text
, countW
, textA
, countA
, NULL
, NULL
);
2521 LocalUnlock16(es
->hloc16
);
2523 LocalUnlock(es
->hloc32A
);
2526 if (stack16
) stack16
->ds
= oldDS
;
2527 LocalUnlock(es
->hloc32W
);
2531 ERR("no buffer ... please report\n");
2539 /*********************************************************************
2541 * EDIT_UpdateScrollInfo
2544 static void EDIT_UpdateScrollInfo(EDITSTATE
*es
)
2546 if ((es
->style
& WS_VSCROLL
) && !(es
->flags
& EF_VSCROLL_TRACK
))
2549 si
.cbSize
= sizeof(SCROLLINFO
);
2550 si
.fMask
= SIF_PAGE
| SIF_POS
| SIF_RANGE
| SIF_DISABLENOSCROLL
;
2552 si
.nMax
= es
->line_count
- 1;
2553 si
.nPage
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
2554 si
.nPos
= es
->y_offset
;
2555 TRACE("SB_VERT, nMin=%d, nMax=%d, nPage=%d, nPos=%d\n",
2556 si
.nMin
, si
.nMax
, si
.nPage
, si
.nPos
);
2557 SetScrollInfo(es
->hwndSelf
, SB_VERT
, &si
, TRUE
);
2560 if ((es
->style
& WS_HSCROLL
) && !(es
->flags
& EF_HSCROLL_TRACK
))
2563 si
.cbSize
= sizeof(SCROLLINFO
);
2564 si
.fMask
= SIF_PAGE
| SIF_POS
| SIF_RANGE
| SIF_DISABLENOSCROLL
;
2566 si
.nMax
= es
->text_width
- 1;
2567 si
.nPage
= es
->format_rect
.right
- es
->format_rect
.left
;
2568 si
.nPos
= es
->x_offset
;
2569 TRACE("SB_HORZ, nMin=%d, nMax=%d, nPage=%d, nPos=%d\n",
2570 si
.nMin
, si
.nMax
, si
.nPage
, si
.nPos
);
2571 SetScrollInfo(es
->hwndSelf
, SB_HORZ
, &si
, TRUE
);
2575 /*********************************************************************
2577 * EDIT_WordBreakProc
2579 * Find the beginning of words.
2580 * Note: unlike the specs for a WordBreakProc, this function only
2581 * allows to be called without linebreaks between s[0] up to
2582 * s[count - 1]. Remember it is only called
2583 * internally, so we can decide this for ourselves.
2586 static INT CALLBACK
EDIT_WordBreakProc(LPWSTR s
, INT index
, INT count
, INT action
)
2590 TRACE("s=%p, index=%d, count=%d, action=%d\n", s
, index
, count
, action
);
2600 if (s
[index
] == ' ') {
2601 while (index
&& (s
[index
] == ' '))
2604 while (index
&& (s
[index
] != ' '))
2606 if (s
[index
] == ' ')
2610 while (index
&& (s
[index
] != ' '))
2612 if (s
[index
] == ' ')
2622 if (s
[index
] == ' ')
2623 while ((index
< count
) && (s
[index
] == ' ')) index
++;
2625 while (s
[index
] && (s
[index
] != ' ') && (index
< count
))
2627 while ((s
[index
] == ' ') && (index
< count
)) index
++;
2631 case WB_ISDELIMITER
:
2632 ret
= (s
[index
] == ' ');
2635 ERR("unknown action code, please report !\n");
2642 /*********************************************************************
2646 * returns line number (not index) in high-order word of result.
2647 * NB : Q137805 is unclear about this. POINT * pointer in lParam apply
2648 * to Richedit, not to the edit control. Original documentation is valid.
2649 * FIXME: do the specs mean to return -1 if outside client area or
2650 * if outside formatting rectangle ???
2653 static LRESULT
EDIT_EM_CharFromPos(EDITSTATE
*es
, INT x
, INT y
)
2661 GetClientRect(es
->hwndSelf
, &rc
);
2662 if (!PtInRect(&rc
, pt
))
2665 index
= EDIT_CharFromPos(es
, x
, y
, NULL
);
2666 return MAKELONG(index
, EDIT_EM_LineFromChar(es
, index
));
2670 /*********************************************************************
2674 * Enable or disable soft breaks.
2676 * This means: insert or remove the soft linebreak character (\r\r\n).
2677 * Take care to check if the text still fits the buffer after insertion.
2678 * If not, notify with EN_ERRSPACE.
2681 static BOOL
EDIT_EM_FmtLines(EDITSTATE
*es
, BOOL add_eol
)
2683 es
->flags
&= ~EF_USE_SOFTBRK
;
2685 es
->flags
|= EF_USE_SOFTBRK
;
2686 FIXME("soft break enabled, not implemented\n");
2692 /*********************************************************************
2696 * Hopefully this won't fire back at us.
2697 * We always start with a fixed buffer in the local heap.
2698 * Despite of the documentation says that the local heap is used
2699 * only if DS_LOCALEDIT flag is set, NT and 2000 always allocate
2700 * buffer on the local heap.
2703 static HLOCAL
EDIT_EM_GetHandle(EDITSTATE
*es
)
2707 if (!(es
->style
& ES_MULTILINE
))
2711 hLocal
= es
->hloc32W
;
2717 UINT countA
, alloc_size
;
2718 TRACE("Allocating 32-bit ANSI alias buffer\n");
2719 countA
= WideCharToMultiByte(CP_ACP
, 0, es
->text
, -1, NULL
, 0, NULL
, NULL
);
2720 alloc_size
= ROUND_TO_GROW(countA
);
2721 if(!(es
->hloc32A
= LocalAlloc(LMEM_MOVEABLE
| LMEM_ZEROINIT
, alloc_size
)))
2723 ERR("Could not allocate %d bytes for 32-bit ANSI alias buffer\n", alloc_size
);
2726 textA
= LocalLock(es
->hloc32A
);
2727 WideCharToMultiByte(CP_ACP
, 0, es
->text
, -1, textA
, countA
, NULL
, NULL
);
2728 LocalUnlock(es
->hloc32A
);
2730 hLocal
= es
->hloc32A
;
2733 es
->flags
|= EF_APP_HAS_HANDLE
;
2734 TRACE("Returning %p, LocalSize() = %ld\n", hLocal
, LocalSize(hLocal
));
2739 /*********************************************************************
2743 * Hopefully this won't fire back at us.
2744 * We always start with a buffer in 32 bit linear memory.
2745 * However, with this message a 16 bit application requests
2746 * a handle of 16 bit local heap memory, where it expects to find
2748 * It's a pitty that from this moment on we have to use this
2749 * local heap, because applications may rely on the handle
2752 * In this function we'll try to switch to local heap.
2754 static HLOCAL16
EDIT_EM_GetHandle16(EDITSTATE
*es
)
2757 UINT countA
, alloc_size
;
2758 STACK16FRAME
* stack16
;
2761 if (!(es
->style
& ES_MULTILINE
))
2767 stack16
= MapSL(PtrToUlong(NtCurrentTeb()->WOW32Reserved
));
2768 oldDS
= stack16
->ds
;
2769 stack16
->ds
= GetWindowLongPtrW( es
->hwndSelf
, GWLP_HINSTANCE
);
2771 if (!LocalHeapSize16()) {
2773 if (!LocalInit16(stack16
->ds
, 0, GlobalSize16(stack16
->ds
))) {
2774 ERR("could not initialize local heap\n");
2777 TRACE("local heap initialized\n");
2780 countA
= WideCharToMultiByte(CP_ACP
, 0, es
->text
, -1, NULL
, 0, NULL
, NULL
);
2781 alloc_size
= ROUND_TO_GROW(countA
);
2783 TRACE("Allocating 16-bit ANSI alias buffer\n");
2784 if (!(es
->hloc16
= LocalAlloc16(LMEM_MOVEABLE
| LMEM_ZEROINIT
, alloc_size
))) {
2785 ERR("could not allocate new 16 bit buffer\n");
2789 if (!(textA
= MapSL(LocalLock16( es
->hloc16
)))) {
2790 ERR("could not lock new 16 bit buffer\n");
2791 LocalFree16(es
->hloc16
);
2796 WideCharToMultiByte(CP_ACP
, 0, es
->text
, -1, textA
, countA
, NULL
, NULL
);
2797 LocalUnlock16(es
->hloc16
);
2798 es
->flags
|= EF_APP_HAS_HANDLE
;
2800 TRACE("Returning %04X, LocalSize() = %d\n", es
->hloc16
, LocalSize16(es
->hloc16
));
2803 stack16
->ds
= oldDS
;
2808 /*********************************************************************
2813 static INT
EDIT_EM_GetLine(EDITSTATE
*es
, INT line
, LPWSTR dst
, BOOL unicode
)
2816 INT line_len
, dst_len
;
2819 if (es
->style
& ES_MULTILINE
) {
2820 if (line
>= es
->line_count
)
2824 i
= EDIT_EM_LineIndex(es
, line
);
2826 line_len
= EDIT_EM_LineLength(es
, i
);
2827 dst_len
= *(WORD
*)dst
;
2830 if(dst_len
<= line_len
)
2832 memcpy(dst
, src
, dst_len
* sizeof(WCHAR
));
2835 else /* Append 0 if enough space */
2837 memcpy(dst
, src
, line_len
* sizeof(WCHAR
));
2844 INT ret
= WideCharToMultiByte(CP_ACP
, 0, src
, line_len
, (LPSTR
)dst
, dst_len
, NULL
, NULL
);
2845 if(!ret
&& line_len
) /* Insufficient buffer size */
2847 if(ret
< dst_len
) /* Append 0 if enough space */
2848 ((LPSTR
)dst
)[ret
] = 0;
2854 /*********************************************************************
2859 static LRESULT
EDIT_EM_GetSel(EDITSTATE
*es
, PUINT start
, PUINT end
)
2861 UINT s
= es
->selection_start
;
2862 UINT e
= es
->selection_end
;
2869 return MAKELONG(s
, e
);
2873 /*********************************************************************
2877 * FIXME: is this right ? (or should it be only VSCROLL)
2878 * (and maybe only for edit controls that really have their
2879 * own scrollbars) (and maybe only for multiline controls ?)
2880 * All in all: very poorly documented
2883 static LRESULT
EDIT_EM_GetThumb(EDITSTATE
*es
)
2885 return MAKELONG(EDIT_WM_VScroll(es
, EM_GETTHUMB16
, 0),
2886 EDIT_WM_HScroll(es
, EM_GETTHUMB16
, 0));
2890 /*********************************************************************
2895 static INT
EDIT_EM_LineFromChar(EDITSTATE
*es
, INT index
)
2900 if (!(es
->style
& ES_MULTILINE
))
2902 if (index
> (INT
)get_text_length(es
))
2903 return es
->line_count
- 1;
2905 index
= min(es
->selection_start
, es
->selection_end
);
2908 line_def
= es
->first_line_def
;
2909 index
-= line_def
->length
;
2910 while ((index
>= 0) && line_def
->next
) {
2912 line_def
= line_def
->next
;
2913 index
-= line_def
->length
;
2919 /*********************************************************************
2924 static INT
EDIT_EM_LineIndex(EDITSTATE
*es
, INT line
)
2929 if (!(es
->style
& ES_MULTILINE
))
2931 if (line
>= es
->line_count
)
2935 line_def
= es
->first_line_def
;
2937 INT index
= es
->selection_end
- line_def
->length
;
2938 while ((index
>= 0) && line_def
->next
) {
2939 line_index
+= line_def
->length
;
2940 line_def
= line_def
->next
;
2941 index
-= line_def
->length
;
2945 line_index
+= line_def
->length
;
2946 line_def
= line_def
->next
;
2954 /*********************************************************************
2959 static INT
EDIT_EM_LineLength(EDITSTATE
*es
, INT index
)
2963 if (!(es
->style
& ES_MULTILINE
))
2964 return get_text_length(es
);
2967 /* get the number of remaining non-selected chars of selected lines */
2968 INT32 l
; /* line number */
2969 INT32 li
; /* index of first char in line */
2971 l
= EDIT_EM_LineFromChar(es
, es
->selection_start
);
2972 /* # chars before start of selection area */
2973 count
= es
->selection_start
- EDIT_EM_LineIndex(es
, l
);
2974 l
= EDIT_EM_LineFromChar(es
, es
->selection_end
);
2975 /* # chars after end of selection */
2976 li
= EDIT_EM_LineIndex(es
, l
);
2977 count
+= li
+ EDIT_EM_LineLength(es
, li
) - es
->selection_end
;
2980 line_def
= es
->first_line_def
;
2981 index
-= line_def
->length
;
2982 while ((index
>= 0) && line_def
->next
) {
2983 line_def
= line_def
->next
;
2984 index
-= line_def
->length
;
2986 return line_def
->net_length
;
2990 /*********************************************************************
2994 * NOTE: dx is in average character widths, dy - in lines;
2997 static BOOL
EDIT_EM_LineScroll(EDITSTATE
*es
, INT dx
, INT dy
)
2999 if (!(es
->style
& ES_MULTILINE
))
3002 dx
*= es
->char_width
;
3003 return EDIT_EM_LineScroll_internal(es
, dx
, dy
);
3006 /*********************************************************************
3008 * EDIT_EM_LineScroll_internal
3010 * Version of EDIT_EM_LineScroll for internal use.
3011 * It doesn't refuse if ES_MULTILINE is set and assumes that
3012 * dx is in pixels, dy - in lines.
3015 static BOOL
EDIT_EM_LineScroll_internal(EDITSTATE
*es
, INT dx
, INT dy
)
3018 INT x_offset_in_pixels
;
3019 INT lines_per_page
= (es
->format_rect
.bottom
- es
->format_rect
.top
) /
3022 if (es
->style
& ES_MULTILINE
)
3024 x_offset_in_pixels
= es
->x_offset
;
3029 x_offset_in_pixels
= (short)LOWORD(EDIT_EM_PosFromChar(es
, es
->x_offset
, FALSE
));
3032 if (-dx
> x_offset_in_pixels
)
3033 dx
= -x_offset_in_pixels
;
3034 if (dx
> es
->text_width
- x_offset_in_pixels
)
3035 dx
= es
->text_width
- x_offset_in_pixels
;
3036 nyoff
= max(0, es
->y_offset
+ dy
);
3037 if (nyoff
>= es
->line_count
- lines_per_page
)
3038 nyoff
= max(0, es
->line_count
- lines_per_page
);
3039 dy
= (es
->y_offset
- nyoff
) * es
->line_height
;
3044 es
->y_offset
= nyoff
;
3045 if(es
->style
& ES_MULTILINE
)
3048 es
->x_offset
+= dx
/ es
->char_width
;
3050 GetClientRect(es
->hwndSelf
, &rc1
);
3051 IntersectRect(&rc
, &rc1
, &es
->format_rect
);
3052 ScrollWindowEx(es
->hwndSelf
, -dx
, dy
,
3053 NULL
, &rc
, NULL
, NULL
, SW_INVALIDATE
);
3054 /* force scroll info update */
3055 EDIT_UpdateScrollInfo(es
);
3057 if (dx
&& !(es
->flags
& EF_HSCROLL_TRACK
))
3058 EDIT_NOTIFY_PARENT(es
, EN_HSCROLL
);
3059 if (dy
&& !(es
->flags
& EF_VSCROLL_TRACK
))
3060 EDIT_NOTIFY_PARENT(es
, EN_VSCROLL
);
3065 /*********************************************************************
3070 static LRESULT
EDIT_EM_PosFromChar(EDITSTATE
*es
, INT index
, BOOL after_wrap
)
3072 INT len
= get_text_length(es
);
3085 index
= min(index
, len
);
3086 dc
= GetDC(es
->hwndSelf
);
3088 old_font
= SelectObject(dc
, es
->font
);
3089 if (es
->style
& ES_MULTILINE
) {
3090 l
= EDIT_EM_LineFromChar(es
, index
);
3091 y
= (l
- es
->y_offset
) * es
->line_height
;
3092 li
= EDIT_EM_LineIndex(es
, l
);
3093 if (after_wrap
&& (li
== index
) && l
) {
3095 line_def
= es
->first_line_def
;
3097 line_def
= line_def
->next
;
3100 if (line_def
->ending
== END_WRAP
) {
3102 y
-= es
->line_height
;
3103 li
= EDIT_EM_LineIndex(es
, l
);
3107 line_def
= es
->first_line_def
;
3108 while (line_def
->index
!= li
)
3109 line_def
= line_def
->next
;
3111 ll
= line_def
->net_length
;
3112 lw
= line_def
->width
;
3114 w
= es
->format_rect
.right
- es
->format_rect
.left
;
3115 if (es
->style
& ES_RIGHT
)
3117 x
= LOWORD(GetTabbedTextExtentW(dc
, es
->text
+ li
+ (index
- li
), ll
- (index
- li
),
3118 es
->tabs_count
, es
->tabs
)) - es
->x_offset
;
3121 else if (es
->style
& ES_CENTER
)
3123 x
= LOWORD(GetTabbedTextExtentW(dc
, es
->text
+ li
, index
- li
,
3124 es
->tabs_count
, es
->tabs
)) - es
->x_offset
;
3129 x
= LOWORD(GetTabbedTextExtentW(dc
, es
->text
+ li
, index
- li
,
3130 es
->tabs_count
, es
->tabs
)) - es
->x_offset
;
3133 LPWSTR text
= EDIT_GetPasswordPointer_SL(es
);
3134 if (index
< es
->x_offset
) {
3135 GetTextExtentPoint32W(dc
, text
+ index
,
3136 es
->x_offset
- index
, &size
);
3139 GetTextExtentPoint32W(dc
, text
+ es
->x_offset
,
3140 index
- es
->x_offset
, &size
);
3143 if (!es
->x_offset
&& (es
->style
& (ES_RIGHT
| ES_CENTER
)))
3145 w
= es
->format_rect
.right
- es
->format_rect
.left
;
3146 if (w
> es
->text_width
)
3148 if (es
->style
& ES_RIGHT
)
3149 x
+= w
- es
->text_width
;
3150 else if (es
->style
& ES_CENTER
)
3151 x
+= (w
- es
->text_width
) / 2;
3156 if (es
->style
& ES_PASSWORD
)
3157 HeapFree(GetProcessHeap(), 0, text
);
3159 x
+= es
->format_rect
.left
;
3160 y
+= es
->format_rect
.top
;
3162 SelectObject(dc
, old_font
);
3163 ReleaseDC(es
->hwndSelf
, dc
);
3164 return MAKELONG((INT16
)x
, (INT16
)y
);
3168 /*********************************************************************
3172 * FIXME: handle ES_NUMBER and ES_OEMCONVERT here
3175 static void EDIT_EM_ReplaceSel(EDITSTATE
*es
, BOOL can_undo
, LPCWSTR lpsz_replace
, BOOL send_update
, BOOL honor_limit
)
3177 UINT strl
= strlenW(lpsz_replace
);
3178 UINT tl
= get_text_length(es
);
3189 TRACE("%s, can_undo %d, send_update %d\n",
3190 debugstr_w(lpsz_replace
), can_undo
, send_update
);
3192 s
= es
->selection_start
;
3193 e
= es
->selection_end
;
3195 if ((s
== e
) && !strl
)
3200 size
= tl
- (e
- s
) + strl
;
3204 /* Issue the EN_MAXTEXT notification and continue with replacing text
3205 * such that buffer limit is honored. */
3206 if ((honor_limit
) && (es
->buffer_limit
> 0) && (size
> es
->buffer_limit
)) {
3207 EDIT_NOTIFY_PARENT(es
, EN_MAXTEXT
);
3208 strl
= es
->buffer_limit
- (tl
- (e
-s
));
3211 if (!EDIT_MakeFit(es
, tl
- (e
- s
) + strl
))
3215 /* there is something to be deleted */
3216 TRACE("deleting stuff.\n");
3218 buf
= HeapAlloc(GetProcessHeap(), 0, (bufl
+ 1) * sizeof(WCHAR
));
3220 memcpy(buf
, es
->text
+ s
, bufl
* sizeof(WCHAR
));
3221 buf
[bufl
] = 0; /* ensure 0 termination */
3223 strcpyW(es
->text
+ s
, es
->text
+ e
);
3224 text_buffer_changed(es
);
3227 /* there is an insertion */
3228 tl
= get_text_length(es
);
3229 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
));
3230 for (p
= es
->text
+ tl
; p
>= es
->text
+ s
; p
--)
3232 for (i
= 0 , p
= es
->text
+ s
; i
< strl
; i
++)
3233 p
[i
] = lpsz_replace
[i
];
3234 if(es
->style
& ES_UPPERCASE
)
3235 CharUpperBuffW(p
, strl
);
3236 else if(es
->style
& ES_LOWERCASE
)
3237 CharLowerBuffW(p
, strl
);
3238 text_buffer_changed(es
);
3240 if (es
->style
& ES_MULTILINE
)
3242 INT st
= min(es
->selection_start
, es
->selection_end
);
3243 INT vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
3245 hrgn
= CreateRectRgn(0, 0, 0, 0);
3246 EDIT_BuildLineDefs_ML(es
, st
, st
+ strl
,
3247 strl
- abs(es
->selection_end
- es
->selection_start
), hrgn
);
3248 /* if text is too long undo all changes */
3249 if (honor_limit
&& !(es
->style
& ES_AUTOVSCROLL
) && (es
->line_count
> vlc
)) {
3251 strcpyW(es
->text
+ e
, es
->text
+ e
+ strl
);
3253 for (i
= 0 , p
= es
->text
; i
< e
- s
; i
++)
3255 text_buffer_changed(es
);
3256 EDIT_BuildLineDefs_ML(es
, s
, e
,
3257 abs(es
->selection_end
- es
->selection_start
) - strl
, hrgn
);
3260 hrgn
= CreateRectRgn(0, 0, 0, 0);
3261 EDIT_NOTIFY_PARENT(es
, EN_MAXTEXT
);
3265 INT fw
= es
->format_rect
.right
- es
->format_rect
.left
;
3266 EDIT_CalcLineWidth_SL(es
);
3267 /* remove chars that don't fit */
3268 if (honor_limit
&& !(es
->style
& ES_AUTOHSCROLL
) && (es
->text_width
> fw
)) {
3269 while ((es
->text_width
> fw
) && s
+ strl
>= s
) {
3270 strcpyW(es
->text
+ s
+ strl
- 1, es
->text
+ s
+ strl
);
3272 EDIT_CalcLineWidth_SL(es
);
3274 text_buffer_changed(es
);
3275 EDIT_NOTIFY_PARENT(es
, EN_MAXTEXT
);
3281 utl
= strlenW(es
->undo_text
);
3282 if (!es
->undo_insert_count
&& (*es
->undo_text
&& (s
== es
->undo_position
))) {
3283 /* undo-buffer is extended to the right */
3284 EDIT_MakeUndoFit(es
, utl
+ e
- s
);
3285 memcpy(es
->undo_text
+ utl
, buf
, (e
- s
)*sizeof(WCHAR
));
3286 (es
->undo_text
+ utl
)[e
- s
] = 0; /* ensure 0 termination */
3287 } else if (!es
->undo_insert_count
&& (*es
->undo_text
&& (e
== es
->undo_position
))) {
3288 /* undo-buffer is extended to the left */
3289 EDIT_MakeUndoFit(es
, utl
+ e
- s
);
3290 for (p
= es
->undo_text
+ utl
; p
>= es
->undo_text
; p
--)
3292 for (i
= 0 , p
= es
->undo_text
; i
< e
- s
; i
++)
3294 es
->undo_position
= s
;
3296 /* new undo-buffer */
3297 EDIT_MakeUndoFit(es
, e
- s
);
3298 memcpy(es
->undo_text
, buf
, (e
- s
)*sizeof(WCHAR
));
3299 es
->undo_text
[e
- s
] = 0; /* ensure 0 termination */
3300 es
->undo_position
= s
;
3302 /* any deletion makes the old insertion-undo invalid */
3303 es
->undo_insert_count
= 0;
3305 EDIT_EM_EmptyUndoBuffer(es
);
3309 if ((s
== es
->undo_position
) ||
3310 ((es
->undo_insert_count
) &&
3311 (s
== es
->undo_position
+ es
->undo_insert_count
)))
3313 * insertion is new and at delete position or
3314 * an extension to either left or right
3316 es
->undo_insert_count
+= strl
;
3318 /* new insertion undo */
3319 es
->undo_position
= s
;
3320 es
->undo_insert_count
= strl
;
3321 /* new insertion makes old delete-buffer invalid */
3322 *es
->undo_text
= '\0';
3325 EDIT_EM_EmptyUndoBuffer(es
);
3329 HeapFree(GetProcessHeap(), 0, buf
);
3333 /* If text has been deleted and we're right or center aligned then scroll rightward */
3334 if (es
->style
& (ES_RIGHT
| ES_CENTER
))
3336 INT delta
= strl
- abs(es
->selection_end
- es
->selection_start
);
3338 if (delta
< 0 && es
->x_offset
)
3340 if (abs(delta
) > es
->x_offset
)
3343 es
->x_offset
+= delta
;
3347 EDIT_EM_SetSel(es
, s
, s
, FALSE
);
3348 es
->flags
|= EF_MODIFIED
;
3349 if (send_update
) es
->flags
|= EF_UPDATE
;
3352 EDIT_UpdateTextRegion(es
, hrgn
, TRUE
);
3356 EDIT_UpdateText(es
, NULL
, TRUE
);
3358 EDIT_EM_ScrollCaret(es
);
3360 /* force scroll info update */
3361 EDIT_UpdateScrollInfo(es
);
3364 if(send_update
|| (es
->flags
& EF_UPDATE
))
3366 es
->flags
&= ~EF_UPDATE
;
3367 EDIT_NOTIFY_PARENT(es
, EN_CHANGE
);
3372 /*********************************************************************
3377 static LRESULT
EDIT_EM_Scroll(EDITSTATE
*es
, INT action
)
3381 if (!(es
->style
& ES_MULTILINE
))
3382 return (LRESULT
)FALSE
;
3392 if (es
->y_offset
< es
->line_count
- 1)
3397 dy
= -(es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
3400 if (es
->y_offset
< es
->line_count
- 1)
3401 dy
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
3404 return (LRESULT
)FALSE
;
3407 INT vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
3408 /* check if we are going to move too far */
3409 if(es
->y_offset
+ dy
> es
->line_count
- vlc
)
3410 dy
= es
->line_count
- vlc
- es
->y_offset
;
3412 /* Notification is done in EDIT_EM_LineScroll */
3414 EDIT_EM_LineScroll(es
, 0, dy
);
3416 return MAKELONG((INT16
)dy
, (BOOL16
)TRUE
);
3420 /*********************************************************************
3425 static void EDIT_EM_ScrollCaret(EDITSTATE
*es
)
3427 if (es
->style
& ES_MULTILINE
) {
3432 INT cw
= es
->char_width
;
3437 l
= EDIT_EM_LineFromChar(es
, es
->selection_end
);
3438 li
= EDIT_EM_LineIndex(es
, l
);
3439 x
= (short)LOWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
));
3440 vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
3441 if (l
>= es
->y_offset
+ vlc
)
3442 dy
= l
- vlc
+ 1 - es
->y_offset
;
3443 if (l
< es
->y_offset
)
3444 dy
= l
- es
->y_offset
;
3445 ww
= es
->format_rect
.right
- es
->format_rect
.left
;
3446 if (x
< es
->format_rect
.left
)
3447 dx
= x
- es
->format_rect
.left
- ww
/ HSCROLL_FRACTION
/ cw
* cw
;
3448 if (x
> es
->format_rect
.right
)
3449 dx
= x
- es
->format_rect
.left
- (HSCROLL_FRACTION
- 1) * ww
/ HSCROLL_FRACTION
/ cw
* cw
;
3450 if (dy
|| dx
|| (es
->y_offset
&& (es
->line_count
- es
->y_offset
< vlc
)))
3452 /* check if we are going to move too far */
3453 if(es
->x_offset
+ dx
+ ww
> es
->text_width
)
3454 dx
= es
->text_width
- ww
- es
->x_offset
;
3455 if(dx
|| dy
|| (es
->y_offset
&& (es
->line_count
- es
->y_offset
< vlc
)))
3456 EDIT_EM_LineScroll_internal(es
, dx
, dy
);
3463 x
= (short)LOWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, FALSE
));
3464 format_width
= es
->format_rect
.right
- es
->format_rect
.left
;
3465 if (x
< es
->format_rect
.left
) {
3466 goal
= es
->format_rect
.left
+ format_width
/ HSCROLL_FRACTION
;
3469 x
= (short)LOWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, FALSE
));
3470 } while ((x
< goal
) && es
->x_offset
);
3471 /* FIXME: use ScrollWindow() somehow to improve performance */
3472 EDIT_UpdateText(es
, NULL
, TRUE
);
3473 } else if (x
> es
->format_rect
.right
) {
3475 INT len
= get_text_length(es
);
3476 goal
= es
->format_rect
.right
- format_width
/ HSCROLL_FRACTION
;
3479 x
= (short)LOWORD(EDIT_EM_PosFromChar(es
, es
->selection_end
, FALSE
));
3480 x_last
= (short)LOWORD(EDIT_EM_PosFromChar(es
, len
, FALSE
));
3481 } while ((x
> goal
) && (x_last
> es
->format_rect
.right
));
3482 /* FIXME: use ScrollWindow() somehow to improve performance */
3483 EDIT_UpdateText(es
, NULL
, TRUE
);
3487 if(es
->flags
& EF_FOCUSED
)
3488 EDIT_SetCaretPos(es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
);
3492 /*********************************************************************
3496 * FIXME: ES_LOWERCASE, ES_UPPERCASE, ES_OEMCONVERT, ES_NUMBER ???
3499 static void EDIT_EM_SetHandle(EDITSTATE
*es
, HLOCAL hloc
)
3501 if (!(es
->style
& ES_MULTILINE
))
3505 WARN("called with NULL handle\n");
3509 EDIT_UnlockBuffer(es
, TRUE
);
3513 STACK16FRAME
* stack16
= MapSL(PtrToUlong(NtCurrentTeb()->WOW32Reserved
));
3514 HANDLE16 oldDS
= stack16
->ds
;
3516 stack16
->ds
= GetWindowLongPtrW( es
->hwndSelf
, GWLP_HINSTANCE
);
3517 LocalFree16(es
->hloc16
);
3518 stack16
->ds
= oldDS
;
3526 LocalFree(es
->hloc32A
);
3538 countA
= LocalSize(hloc
);
3539 textA
= LocalLock(hloc
);
3540 countW
= MultiByteToWideChar(CP_ACP
, 0, textA
, countA
, NULL
, 0);
3541 if(!(hloc32W_new
= LocalAlloc(LMEM_MOVEABLE
| LMEM_ZEROINIT
, countW
* sizeof(WCHAR
))))
3543 ERR("Could not allocate new unicode buffer\n");
3546 textW
= LocalLock(hloc32W_new
);
3547 MultiByteToWideChar(CP_ACP
, 0, textA
, countA
, textW
, countW
);
3548 LocalUnlock(hloc32W_new
);
3552 LocalFree(es
->hloc32W
);
3554 es
->hloc32W
= hloc32W_new
;
3558 es
->buffer_size
= LocalSize(es
->hloc32W
)/sizeof(WCHAR
) - 1;
3560 es
->flags
|= EF_APP_HAS_HANDLE
;
3561 EDIT_LockBuffer(es
);
3563 es
->x_offset
= es
->y_offset
= 0;
3564 es
->selection_start
= es
->selection_end
= 0;
3565 EDIT_EM_EmptyUndoBuffer(es
);
3566 es
->flags
&= ~EF_MODIFIED
;
3567 es
->flags
&= ~EF_UPDATE
;
3568 EDIT_BuildLineDefs_ML(es
, 0, get_text_length(es
), 0, NULL
);
3569 EDIT_UpdateText(es
, NULL
, TRUE
);
3570 EDIT_EM_ScrollCaret(es
);
3571 /* force scroll info update */
3572 EDIT_UpdateScrollInfo(es
);
3576 /*********************************************************************
3580 * FIXME: ES_LOWERCASE, ES_UPPERCASE, ES_OEMCONVERT, ES_NUMBER ???
3583 static void EDIT_EM_SetHandle16(EDITSTATE
*es
, HLOCAL16 hloc
)
3585 STACK16FRAME
* stack16
= MapSL(PtrToUlong(NtCurrentTeb()->WOW32Reserved
));
3586 HINSTANCE16 hInstance
= GetWindowLongPtrW( es
->hwndSelf
, GWLP_HINSTANCE
);
3587 HANDLE16 oldDS
= stack16
->ds
;
3593 if (!(es
->style
& ES_MULTILINE
))
3597 WARN("called with NULL handle\n");
3601 EDIT_UnlockBuffer(es
, TRUE
);
3605 LocalFree(es
->hloc32A
);
3609 stack16
->ds
= hInstance
;
3610 countA
= LocalSize16(hloc
);
3611 textA
= MapSL(LocalLock16(hloc
));
3612 countW
= MultiByteToWideChar(CP_ACP
, 0, textA
, countA
, NULL
, 0);
3613 if(!(hloc32W_new
= LocalAlloc(LMEM_MOVEABLE
| LMEM_ZEROINIT
, countW
* sizeof(WCHAR
))))
3615 ERR("Could not allocate new unicode buffer\n");
3618 textW
= LocalLock(hloc32W_new
);
3619 MultiByteToWideChar(CP_ACP
, 0, textA
, countA
, textW
, countW
);
3620 LocalUnlock(hloc32W_new
);
3621 LocalUnlock16(hloc
);
3622 stack16
->ds
= oldDS
;
3625 LocalFree(es
->hloc32W
);
3627 es
->hloc32W
= hloc32W_new
;
3630 es
->buffer_size
= LocalSize(es
->hloc32W
)/sizeof(WCHAR
) - 1;
3632 es
->flags
|= EF_APP_HAS_HANDLE
;
3633 EDIT_LockBuffer(es
);
3635 es
->x_offset
= es
->y_offset
= 0;
3636 es
->selection_start
= es
->selection_end
= 0;
3637 EDIT_EM_EmptyUndoBuffer(es
);
3638 es
->flags
&= ~EF_MODIFIED
;
3639 es
->flags
&= ~EF_UPDATE
;
3640 EDIT_BuildLineDefs_ML(es
, 0, get_text_length(es
), 0, NULL
);
3641 EDIT_UpdateText(es
, NULL
, TRUE
);
3642 EDIT_EM_ScrollCaret(es
);
3643 /* force scroll info update */
3644 EDIT_UpdateScrollInfo(es
);
3648 /*********************************************************************
3652 * FIXME: in WinNT maxsize is 0x7FFFFFFF / 0xFFFFFFFF
3653 * However, the windows version is not complied to yet in all of edit.c
3655 * Additionally as the wrapper for RichEdit controls we need larger buffers
3656 * at present -1 will represent nolimit
3658 static void EDIT_EM_SetLimitText(EDITSTATE
*es
, INT limit
)
3660 if (limit
== 0xFFFFFFFF)
3661 es
->buffer_limit
= -1;
3662 else if (es
->style
& ES_MULTILINE
) {
3664 es
->buffer_limit
= min(limit
, BUFLIMIT_MULTI
);
3666 es
->buffer_limit
= BUFLIMIT_MULTI
;
3669 es
->buffer_limit
= min(limit
, BUFLIMIT_SINGLE
);
3671 es
->buffer_limit
= BUFLIMIT_SINGLE
;
3676 /*********************************************************************
3680 * EC_USEFONTINFO is used as a left or right value i.e. lParam and not as an
3681 * action wParam despite what the docs say. EC_USEFONTINFO calculates the
3682 * margin according to the textmetrics of the current font.
3684 * FIXME - With TrueType or vector fonts EC_USEFONTINFO currently sets one third
3685 * of the char's width as the margin, but this is not how Windows handles this.
3686 * For all other fonts Windows sets the margins to zero.
3688 * FIXME - When EC_USEFONTINFO is used the margins only change if the
3689 * edit control is equal to or larger than a certain size.
3690 * Interestingly if one subtracts both the left and right margins from
3691 * this size one always seems to get an even number. The extents of
3692 * the (four character) string "'**'" match this quite closely, so
3693 * we'll use this until we come up with a better idea.
3695 static int calc_min_set_margin_size(HDC dc
, INT left
, INT right
)
3697 WCHAR magic_string
[] = {'\'','*','*','\'', 0};
3700 GetTextExtentPointW(dc
, magic_string
, sizeof(magic_string
)/sizeof(WCHAR
) - 1, &sz
);
3701 return sz
.cx
+ left
+ right
;
3704 static void EDIT_EM_SetMargins(EDITSTATE
*es
, INT action
,
3705 WORD left
, WORD right
, BOOL repaint
)
3708 INT default_left_margin
= 0; /* in pixels */
3709 INT default_right_margin
= 0; /* in pixels */
3711 /* Set the default margins depending on the font */
3712 if (es
->font
&& (left
== EC_USEFONTINFO
|| right
== EC_USEFONTINFO
)) {
3713 HDC dc
= GetDC(es
->hwndSelf
);
3714 HFONT old_font
= SelectObject(dc
, es
->font
);
3715 GetTextMetricsW(dc
, &tm
);
3716 /* The default margins are only non zero for TrueType or Vector fonts */
3717 if (tm
.tmPitchAndFamily
& ( TMPF_VECTOR
| TMPF_TRUETYPE
)) {
3720 /* This must be calculated more exactly! But how? */
3721 default_left_margin
= tm
.tmAveCharWidth
/ 2;
3722 default_right_margin
= tm
.tmAveCharWidth
/ 2;
3723 min_size
= calc_min_set_margin_size(dc
, default_left_margin
, default_right_margin
);
3724 GetClientRect(es
->hwndSelf
, &rc
);
3725 if(rc
.right
- rc
.left
< min_size
) {
3726 default_left_margin
= es
->left_margin
;
3727 default_right_margin
= es
->right_margin
;
3730 SelectObject(dc
, old_font
);
3731 ReleaseDC(es
->hwndSelf
, dc
);
3734 if (action
& EC_LEFTMARGIN
) {
3735 es
->format_rect
.left
-= es
->left_margin
;
3736 if (left
!= EC_USEFONTINFO
)
3737 es
->left_margin
= left
;
3739 es
->left_margin
= default_left_margin
;
3740 es
->format_rect
.left
+= es
->left_margin
;
3743 if (action
& EC_RIGHTMARGIN
) {
3744 es
->format_rect
.right
+= es
->right_margin
;
3745 if (right
!= EC_USEFONTINFO
)
3746 es
->right_margin
= right
;
3748 es
->right_margin
= default_right_margin
;
3749 es
->format_rect
.right
-= es
->right_margin
;
3752 if (action
& (EC_LEFTMARGIN
| EC_RIGHTMARGIN
)) {
3753 EDIT_AdjustFormatRect(es
);
3754 if (repaint
) EDIT_UpdateText(es
, NULL
, TRUE
);
3757 TRACE("left=%d, right=%d\n", es
->left_margin
, es
->right_margin
);
3761 /*********************************************************************
3763 * EM_SETPASSWORDCHAR
3766 static void EDIT_EM_SetPasswordChar(EDITSTATE
*es
, WCHAR c
)
3770 if (es
->style
& ES_MULTILINE
)
3773 if (es
->password_char
== c
)
3776 style
= GetWindowLongW( es
->hwndSelf
, GWL_STYLE
);
3777 es
->password_char
= c
;
3779 SetWindowLongW( es
->hwndSelf
, GWL_STYLE
, style
| ES_PASSWORD
);
3780 es
->style
|= ES_PASSWORD
;
3782 SetWindowLongW( es
->hwndSelf
, GWL_STYLE
, style
& ~ES_PASSWORD
);
3783 es
->style
&= ~ES_PASSWORD
;
3785 EDIT_UpdateText(es
, NULL
, TRUE
);
3789 /*********************************************************************
3793 * note: unlike the specs say: the order of start and end
3794 * _is_ preserved in Windows. (i.e. start can be > end)
3795 * In other words: this handler is OK
3798 static void EDIT_EM_SetSel(EDITSTATE
*es
, UINT start
, UINT end
, BOOL after_wrap
)
3800 UINT old_start
= es
->selection_start
;
3801 UINT old_end
= es
->selection_end
;
3802 UINT len
= get_text_length(es
);
3804 if (start
== (UINT
)-1) {
3805 start
= es
->selection_end
;
3806 end
= es
->selection_end
;
3808 start
= min(start
, len
);
3809 end
= min(end
, len
);
3811 es
->selection_start
= start
;
3812 es
->selection_end
= end
;
3814 es
->flags
|= EF_AFTER_WRAP
;
3816 es
->flags
&= ~EF_AFTER_WRAP
;
3817 /* Compute the necessary invalidation region. */
3818 /* Note that we don't need to invalidate regions which have
3819 * "never" been selected, or those which are "still" selected.
3820 * In fact, every time we hit a selection boundary, we can
3821 * *toggle* whether we need to invalidate. Thus we can optimize by
3822 * *sorting* the interval endpoints. Let's assume that we sort them
3824 * start <= end <= old_start <= old_end
3825 * Knuth 5.3.1 (p 183) asssures us that this can be done optimally
3826 * in 5 comparisons; ie it's impossible to do better than the
3828 ORDER_UINT(end
, old_end
);
3829 ORDER_UINT(start
, old_start
);
3830 ORDER_UINT(old_start
, old_end
);
3831 ORDER_UINT(start
, end
);
3832 /* Note that at this point 'end' and 'old_start' are not in order, but
3833 * start is definitely the min. and old_end is definitely the max. */
3834 if (end
!= old_start
)
3838 * ORDER_UINT32(end, old_start);
3839 * EDIT_InvalidateText(es, start, end);
3840 * EDIT_InvalidateText(es, old_start, old_end);
3841 * in place of the following if statement.
3842 * (That would complete the optimal five-comparison four-element sort.)
3844 if (old_start
> end
)
3846 EDIT_InvalidateText(es
, start
, end
);
3847 EDIT_InvalidateText(es
, old_start
, old_end
);
3851 EDIT_InvalidateText(es
, start
, old_start
);
3852 EDIT_InvalidateText(es
, end
, old_end
);
3855 else EDIT_InvalidateText(es
, start
, old_end
);
3859 /*********************************************************************
3864 static BOOL
EDIT_EM_SetTabStops(EDITSTATE
*es
, INT count
, LPINT tabs
)
3866 if (!(es
->style
& ES_MULTILINE
))
3868 HeapFree(GetProcessHeap(), 0, es
->tabs
);
3869 es
->tabs_count
= count
;
3873 es
->tabs
= HeapAlloc(GetProcessHeap(), 0, count
* sizeof(INT
));
3874 memcpy(es
->tabs
, tabs
, count
* sizeof(INT
));
3880 /*********************************************************************
3885 static BOOL
EDIT_EM_SetTabStops16(EDITSTATE
*es
, INT count
, LPINT16 tabs
)
3887 if (!(es
->style
& ES_MULTILINE
))
3889 HeapFree(GetProcessHeap(), 0, es
->tabs
);
3890 es
->tabs_count
= count
;
3895 es
->tabs
= HeapAlloc(GetProcessHeap(), 0, count
* sizeof(INT
));
3896 for (i
= 0 ; i
< count
; i
++)
3897 es
->tabs
[i
] = *tabs
++;
3903 /*********************************************************************
3905 * EM_SETWORDBREAKPROC
3908 static void EDIT_EM_SetWordBreakProc(EDITSTATE
*es
, void *wbp
)
3910 if (es
->word_break_proc
== wbp
)
3913 es
->word_break_proc
= wbp
;
3914 es
->word_break_proc16
= NULL
;
3916 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_AUTOHSCROLL
)) {
3917 EDIT_BuildLineDefs_ML(es
, 0, get_text_length(es
), 0, NULL
);
3918 EDIT_UpdateText(es
, NULL
, TRUE
);
3923 /*********************************************************************
3925 * EM_SETWORDBREAKPROC16
3928 static void EDIT_EM_SetWordBreakProc16(EDITSTATE
*es
, EDITWORDBREAKPROC16 wbp
)
3930 if (es
->word_break_proc16
== wbp
)
3933 es
->word_break_proc
= NULL
;
3934 es
->word_break_proc16
= wbp
;
3935 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_AUTOHSCROLL
)) {
3936 EDIT_BuildLineDefs_ML(es
, 0, get_text_length(es
), 0, NULL
);
3937 EDIT_UpdateText(es
, NULL
, TRUE
);
3942 /*********************************************************************
3947 static BOOL
EDIT_EM_Undo(EDITSTATE
*es
)
3952 /* As per MSDN spec, for a single-line edit control,
3953 the return value is always TRUE */
3954 if( es
->style
& ES_READONLY
)
3955 return !(es
->style
& ES_MULTILINE
);
3957 ulength
= strlenW(es
->undo_text
);
3959 utext
= HeapAlloc(GetProcessHeap(), 0, (ulength
+ 1) * sizeof(WCHAR
));
3961 strcpyW(utext
, es
->undo_text
);
3963 TRACE("before UNDO:insertion length = %d, deletion buffer = %s\n",
3964 es
->undo_insert_count
, debugstr_w(utext
));
3966 EDIT_EM_SetSel(es
, es
->undo_position
, es
->undo_position
+ es
->undo_insert_count
, FALSE
);
3967 EDIT_EM_EmptyUndoBuffer(es
);
3968 EDIT_EM_ReplaceSel(es
, TRUE
, utext
, TRUE
, TRUE
);
3969 EDIT_EM_SetSel(es
, es
->undo_position
, es
->undo_position
+ es
->undo_insert_count
, FALSE
);
3970 /* send the notification after the selection start and end are set */
3971 EDIT_NOTIFY_PARENT(es
, EN_CHANGE
);
3972 EDIT_EM_ScrollCaret(es
);
3973 HeapFree(GetProcessHeap(), 0, utext
);
3975 TRACE("after UNDO:insertion length = %d, deletion buffer = %s\n",
3976 es
->undo_insert_count
, debugstr_w(es
->undo_text
));
3981 /*********************************************************************
3986 static void EDIT_WM_Char(EDITSTATE
*es
, WCHAR c
)
3990 control
= GetKeyState(VK_CONTROL
) & 0x8000;
3994 /* If the edit doesn't want the return and it's not a multiline edit, do nothing */
3995 if(!(es
->style
& ES_MULTILINE
) && !(es
->style
& ES_WANTRETURN
))
3998 if (es
->style
& ES_MULTILINE
) {
3999 if (es
->style
& ES_READONLY
) {
4000 EDIT_MoveHome(es
, FALSE
);
4001 EDIT_MoveDown_ML(es
, FALSE
);
4003 static const WCHAR cr_lfW
[] = {'\r','\n',0};
4004 EDIT_EM_ReplaceSel(es
, TRUE
, cr_lfW
, TRUE
, TRUE
);
4009 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_READONLY
))
4011 static const WCHAR tabW
[] = {'\t',0};
4012 EDIT_EM_ReplaceSel(es
, TRUE
, tabW
, TRUE
, TRUE
);
4016 if (!(es
->style
& ES_READONLY
) && !control
) {
4017 if (es
->selection_start
!= es
->selection_end
)
4020 /* delete character left of caret */
4021 EDIT_EM_SetSel(es
, (UINT
)-1, 0, FALSE
);
4022 EDIT_MoveBackward(es
, TRUE
);
4028 if (!(es
->style
& ES_PASSWORD
))
4029 SendMessageW(es
->hwndSelf
, WM_COPY
, 0, 0);
4032 if (!(es
->style
& ES_READONLY
))
4033 SendMessageW(es
->hwndSelf
, WM_PASTE
, 0, 0);
4036 if (!((es
->style
& ES_READONLY
) || (es
->style
& ES_PASSWORD
)))
4037 SendMessageW(es
->hwndSelf
, WM_CUT
, 0, 0);
4041 /*If Edit control style is ES_NUMBER allow users to key in only numeric values*/
4042 if( (es
->style
& ES_NUMBER
) && !( c
>= '0' && c
<= '9') )
4045 if (!(es
->style
& ES_READONLY
) && (c
>= ' ') && (c
!= 127)) {
4049 EDIT_EM_ReplaceSel(es
, TRUE
, str
, TRUE
, TRUE
);
4056 /*********************************************************************
4061 static void EDIT_WM_Command(EDITSTATE
*es
, INT code
, INT id
, HWND control
)
4063 if (code
|| control
)
4083 EDIT_EM_SetSel(es
, 0, (UINT
)-1, FALSE
);
4084 EDIT_EM_ScrollCaret(es
);
4087 ERR("unknown menu item, please report\n");
4093 /*********************************************************************
4097 * Note: the resource files resource/sysres_??.rc cannot define a
4098 * single popup menu. Hence we use a (dummy) menubar
4099 * containing the single popup menu as its first item.
4101 * FIXME: the message identifiers have been chosen arbitrarily,
4102 * hence we use MF_BYPOSITION.
4103 * We might as well use the "real" values (anybody knows ?)
4104 * The menu definition is in resources/sysres_??.rc.
4105 * Once these are OK, we better use MF_BYCOMMAND here
4106 * (as we do in EDIT_WM_Command()).
4109 static void EDIT_WM_ContextMenu(EDITSTATE
*es
, INT x
, INT y
)
4111 HMENU menu
= LoadMenuA(user32_module
, "EDITMENU");
4112 HMENU popup
= GetSubMenu(menu
, 0);
4113 UINT start
= es
->selection_start
;
4114 UINT end
= es
->selection_end
;
4116 ORDER_UINT(start
, end
);
4119 EnableMenuItem(popup
, 0, MF_BYPOSITION
| (EDIT_EM_CanUndo(es
) && !(es
->style
& ES_READONLY
) ? MF_ENABLED
: MF_GRAYED
));
4121 EnableMenuItem(popup
, 2, MF_BYPOSITION
| ((end
- start
) && !(es
->style
& ES_PASSWORD
) && !(es
->style
& ES_READONLY
) ? MF_ENABLED
: MF_GRAYED
));
4123 EnableMenuItem(popup
, 3, MF_BYPOSITION
| ((end
- start
) && !(es
->style
& ES_PASSWORD
) ? MF_ENABLED
: MF_GRAYED
));
4125 EnableMenuItem(popup
, 4, MF_BYPOSITION
| (IsClipboardFormatAvailable(CF_UNICODETEXT
) && !(es
->style
& ES_READONLY
) ? MF_ENABLED
: MF_GRAYED
));
4127 EnableMenuItem(popup
, 5, MF_BYPOSITION
| ((end
- start
) && !(es
->style
& ES_READONLY
) ? MF_ENABLED
: MF_GRAYED
));
4129 EnableMenuItem(popup
, 7, MF_BYPOSITION
| (start
|| (end
!= get_text_length(es
)) ? MF_ENABLED
: MF_GRAYED
));
4131 if (x
== -1 && y
== -1) /* passed via VK_APPS press/release */
4134 /* Windows places the menu at the edit's center in this case */
4135 GetClientRect(es
->hwndSelf
, &rc
);
4136 MapWindowPoints(es
->hwndSelf
, 0, (POINT
*)&rc
, 2);
4137 x
= rc
.left
+ (rc
.right
- rc
.left
) / 2;
4138 y
= rc
.top
+ (rc
.bottom
- rc
.top
) / 2;
4141 TrackPopupMenu(popup
, TPM_LEFTALIGN
| TPM_RIGHTBUTTON
, x
, y
, 0, es
->hwndSelf
, NULL
);
4146 /*********************************************************************
4151 static void EDIT_WM_Copy(EDITSTATE
*es
)
4153 INT s
= min(es
->selection_start
, es
->selection_end
);
4154 INT e
= max(es
->selection_start
, es
->selection_end
);
4162 hdst
= GlobalAlloc(GMEM_MOVEABLE
| GMEM_DDESHARE
, (len
+ 1) * sizeof(WCHAR
));
4163 dst
= GlobalLock(hdst
);
4164 memcpy(dst
, es
->text
+ s
, len
* sizeof(WCHAR
));
4165 dst
[len
] = 0; /* ensure 0 termination */
4166 TRACE("%s\n", debugstr_w(dst
));
4168 OpenClipboard(es
->hwndSelf
);
4170 SetClipboardData(CF_UNICODETEXT
, hdst
);
4175 /*********************************************************************
4180 static LRESULT
EDIT_WM_Create(EDITSTATE
*es
, LPCWSTR name
)
4184 TRACE("%s\n", debugstr_w(name
));
4186 * To initialize some final structure members, we call some helper
4187 * functions. However, since the EDITSTATE is not consistent (i.e.
4188 * not fully initialized), we should be very careful which
4189 * functions can be called, and in what order.
4191 EDIT_WM_SetFont(es
, 0, FALSE
);
4192 EDIT_EM_EmptyUndoBuffer(es
);
4194 /* We need to calculate the format rect
4195 (applications may send EM_SETMARGINS before the control gets visible) */
4196 GetClientRect(es
->hwndSelf
, &clientRect
);
4197 EDIT_SetRectNP(es
, &clientRect
);
4199 if (name
&& *name
) {
4200 EDIT_EM_ReplaceSel(es
, FALSE
, name
, FALSE
, FALSE
);
4201 /* if we insert text to the editline, the text scrolls out
4202 * of the window, as the caret is placed after the insert
4203 * pos normally; thus we reset es->selection... to 0 and
4206 es
->selection_start
= es
->selection_end
= 0;
4207 /* Adobe Photoshop does NOT like this. and MSDN says that EN_CHANGE
4208 * Messages are only to be sent when the USER does something to
4209 * change the contents. So I am removing this EN_CHANGE
4211 * EDIT_NOTIFY_PARENT(es, EN_CHANGE);
4213 EDIT_EM_ScrollCaret(es
);
4215 /* force scroll info update */
4216 EDIT_UpdateScrollInfo(es
);
4217 /* The rule seems to return 1 here for success */
4218 /* Power Builder masked edit controls will crash */
4220 /* FIXME: is that in all cases so ? */
4225 /*********************************************************************
4230 static LRESULT
EDIT_WM_Destroy(EDITSTATE
*es
)
4235 while (LocalUnlock(es
->hloc32W
)) ;
4236 LocalFree(es
->hloc32W
);
4239 while (LocalUnlock(es
->hloc32A
)) ;
4240 LocalFree(es
->hloc32A
);
4243 STACK16FRAME
* stack16
= MapSL(PtrToUlong(NtCurrentTeb()->WOW32Reserved
));
4244 HANDLE16 oldDS
= stack16
->ds
;
4246 stack16
->ds
= GetWindowLongPtrW( es
->hwndSelf
, GWLP_HINSTANCE
);
4247 while (LocalUnlock16(es
->hloc16
)) ;
4248 LocalFree16(es
->hloc16
);
4249 stack16
->ds
= oldDS
;
4252 pc
= es
->first_line_def
;
4256 HeapFree(GetProcessHeap(), 0, pc
);
4260 SetWindowLongPtrW( es
->hwndSelf
, 0, 0 );
4261 HeapFree(GetProcessHeap(), 0, es
);
4267 /*********************************************************************
4272 static LRESULT
EDIT_WM_EraseBkGnd(EDITSTATE
*es
, HDC dc
)
4274 /* we do the proper erase in EDIT_WM_Paint */
4279 /*********************************************************************
4284 static INT
EDIT_WM_GetText(EDITSTATE
*es
, INT count
, LPWSTR dst
, BOOL unicode
)
4286 if(!count
) return 0;
4290 lstrcpynW(dst
, es
->text
, count
);
4291 return strlenW(dst
);
4295 LPSTR textA
= (LPSTR
)dst
;
4296 if (!WideCharToMultiByte(CP_ACP
, 0, es
->text
, -1, textA
, count
, NULL
, NULL
))
4297 textA
[count
- 1] = 0; /* ensure 0 termination */
4298 return strlen(textA
);
4302 /*********************************************************************
4307 static LRESULT
EDIT_WM_HScroll(EDITSTATE
*es
, INT action
, INT pos
)
4312 if (!(es
->style
& ES_MULTILINE
))
4315 if (!(es
->style
& ES_AUTOHSCROLL
))
4319 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
4322 TRACE("SB_LINELEFT\n");
4324 dx
= -es
->char_width
;
4327 TRACE("SB_LINERIGHT\n");
4328 if (es
->x_offset
< es
->text_width
)
4329 dx
= es
->char_width
;
4332 TRACE("SB_PAGELEFT\n");
4334 dx
= -fw
/ HSCROLL_FRACTION
/ es
->char_width
* es
->char_width
;
4337 TRACE("SB_PAGERIGHT\n");
4338 if (es
->x_offset
< es
->text_width
)
4339 dx
= fw
/ HSCROLL_FRACTION
/ es
->char_width
* es
->char_width
;
4347 TRACE("SB_RIGHT\n");
4348 if (es
->x_offset
< es
->text_width
)
4349 dx
= es
->text_width
- es
->x_offset
;
4352 TRACE("SB_THUMBTRACK %d\n", pos
);
4353 es
->flags
|= EF_HSCROLL_TRACK
;
4354 if(es
->style
& WS_HSCROLL
)
4355 dx
= pos
- es
->x_offset
;
4360 if(pos
< 0 || pos
> 100) return 0;
4361 /* Assume default scroll range 0-100 */
4362 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
4363 new_x
= pos
* (es
->text_width
- fw
) / 100;
4364 dx
= es
->text_width
? (new_x
- es
->x_offset
) : 0;
4367 case SB_THUMBPOSITION
:
4368 TRACE("SB_THUMBPOSITION %d\n", pos
);
4369 es
->flags
&= ~EF_HSCROLL_TRACK
;
4370 if(GetWindowLongW( es
->hwndSelf
, GWL_STYLE
) & WS_HSCROLL
)
4371 dx
= pos
- es
->x_offset
;
4376 if(pos
< 0 || pos
> 100) return 0;
4377 /* Assume default scroll range 0-100 */
4378 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
4379 new_x
= pos
* (es
->text_width
- fw
) / 100;
4380 dx
= es
->text_width
? (new_x
- es
->x_offset
) : 0;
4383 /* force scroll info update */
4384 EDIT_UpdateScrollInfo(es
);
4385 EDIT_NOTIFY_PARENT(es
, EN_HSCROLL
);
4389 TRACE("SB_ENDSCROLL\n");
4392 * FIXME : the next two are undocumented !
4393 * Are we doing the right thing ?
4394 * At least Win 3.1 Notepad makes use of EM_GETTHUMB this way,
4395 * although it's also a regular control message.
4397 case EM_GETTHUMB
: /* this one is used by NT notepad */
4401 if(GetWindowLongW( es
->hwndSelf
, GWL_STYLE
) & WS_HSCROLL
)
4402 ret
= GetScrollPos(es
->hwndSelf
, SB_HORZ
);
4405 /* Assume default scroll range 0-100 */
4406 INT fw
= es
->format_rect
.right
- es
->format_rect
.left
;
4407 ret
= es
->text_width
? es
->x_offset
* 100 / (es
->text_width
- fw
) : 0;
4409 TRACE("EM_GETTHUMB: returning %ld\n", ret
);
4412 case EM_LINESCROLL16
:
4413 TRACE("EM_LINESCROLL16\n");
4418 ERR("undocumented WM_HSCROLL action %d (0x%04x), please report\n",
4424 INT fw
= es
->format_rect
.right
- es
->format_rect
.left
;
4425 /* check if we are going to move too far */
4426 if(es
->x_offset
+ dx
+ fw
> es
->text_width
)
4427 dx
= es
->text_width
- fw
- es
->x_offset
;
4429 EDIT_EM_LineScroll_internal(es
, dx
, 0);
4435 /*********************************************************************
4440 static BOOL
EDIT_CheckCombo(EDITSTATE
*es
, UINT msg
, INT key
)
4442 HWND hLBox
= es
->hwndListBox
;
4450 hCombo
= GetParent(es
->hwndSelf
);
4454 TRACE_(combo
)("[%p]: handling msg %x (%x)\n", es
->hwndSelf
, msg
, key
);
4456 if (key
== VK_UP
|| key
== VK_DOWN
)
4458 if (SendMessageW(hCombo
, CB_GETEXTENDEDUI
, 0, 0))
4461 if (msg
== WM_KEYDOWN
|| nEUI
)
4462 bDropped
= (BOOL
)SendMessageW(hCombo
, CB_GETDROPPEDSTATE
, 0, 0);
4468 if (!bDropped
&& nEUI
&& (key
== VK_UP
|| key
== VK_DOWN
))
4470 /* make sure ComboLBox pops up */
4471 SendMessageW(hCombo
, CB_SETEXTENDEDUI
, FALSE
, 0);
4476 SendMessageW(hLBox
, WM_KEYDOWN
, (WPARAM
)key
, 0);
4479 case WM_SYSKEYDOWN
: /* Handle Alt+up/down arrows */
4481 SendMessageW(hCombo
, CB_SHOWDROPDOWN
, bDropped
? FALSE
: TRUE
, 0);
4483 SendMessageW(hLBox
, WM_KEYDOWN
, (WPARAM
)VK_F4
, 0);
4488 SendMessageW(hCombo
, CB_SETEXTENDEDUI
, TRUE
, 0);
4494 /*********************************************************************
4498 * Handling of special keys that don't produce a WM_CHAR
4499 * (i.e. non-printable keys) & Backspace & Delete
4502 static LRESULT
EDIT_WM_KeyDown(EDITSTATE
*es
, INT key
)
4507 if (GetKeyState(VK_MENU
) & 0x8000)
4510 shift
= GetKeyState(VK_SHIFT
) & 0x8000;
4511 control
= GetKeyState(VK_CONTROL
) & 0x8000;
4516 if (EDIT_CheckCombo(es
, WM_KEYDOWN
, key
) || key
== VK_F4
)
4521 if ((es
->style
& ES_MULTILINE
) && (key
== VK_UP
))
4522 EDIT_MoveUp_ML(es
, shift
);
4525 EDIT_MoveWordBackward(es
, shift
);
4527 EDIT_MoveBackward(es
, shift
);
4530 if (EDIT_CheckCombo(es
, WM_KEYDOWN
, key
))
4534 if ((es
->style
& ES_MULTILINE
) && (key
== VK_DOWN
))
4535 EDIT_MoveDown_ML(es
, shift
);
4537 EDIT_MoveWordForward(es
, shift
);
4539 EDIT_MoveForward(es
, shift
);
4542 EDIT_MoveHome(es
, shift
);
4545 EDIT_MoveEnd(es
, shift
);
4548 if (es
->style
& ES_MULTILINE
)
4549 EDIT_MovePageUp_ML(es
, shift
);
4551 EDIT_CheckCombo(es
, WM_KEYDOWN
, key
);
4554 if (es
->style
& ES_MULTILINE
)
4555 EDIT_MovePageDown_ML(es
, shift
);
4557 EDIT_CheckCombo(es
, WM_KEYDOWN
, key
);
4560 if (!(es
->style
& ES_READONLY
) && !(shift
&& control
)) {
4561 if (es
->selection_start
!= es
->selection_end
) {
4568 /* delete character left of caret */
4569 EDIT_EM_SetSel(es
, (UINT
)-1, 0, FALSE
);
4570 EDIT_MoveBackward(es
, TRUE
);
4572 } else if (control
) {
4573 /* delete to end of line */
4574 EDIT_EM_SetSel(es
, (UINT
)-1, 0, FALSE
);
4575 EDIT_MoveEnd(es
, TRUE
);
4578 /* delete character right of caret */
4579 EDIT_EM_SetSel(es
, (UINT
)-1, 0, FALSE
);
4580 EDIT_MoveForward(es
, TRUE
);
4588 if (!(es
->style
& ES_READONLY
))
4594 /* If the edit doesn't want the return send a message to the default object */
4595 if(!(es
->style
& ES_WANTRETURN
))
4597 HWND hwndParent
= GetParent(es
->hwndSelf
);
4598 DWORD dw
= SendMessageW( hwndParent
, DM_GETDEFID
, 0, 0 );
4599 if (HIWORD(dw
) == DC_HASDEFID
)
4601 SendMessageW( hwndParent
, WM_COMMAND
,
4602 MAKEWPARAM( LOWORD(dw
), BN_CLICKED
),
4603 (LPARAM
)GetDlgItem( hwndParent
, LOWORD(dw
) ) );
4612 /*********************************************************************
4617 static LRESULT
EDIT_WM_KillFocus(EDITSTATE
*es
)
4619 es
->flags
&= ~EF_FOCUSED
;
4621 if(!(es
->style
& ES_NOHIDESEL
))
4622 EDIT_InvalidateText(es
, es
->selection_start
, es
->selection_end
);
4623 EDIT_NOTIFY_PARENT(es
, EN_KILLFOCUS
);
4628 /*********************************************************************
4632 * The caret position has been set on the WM_LBUTTONDOWN message
4635 static LRESULT
EDIT_WM_LButtonDblClk(EDITSTATE
*es
)
4638 INT e
= es
->selection_end
;
4643 es
->bCaptureState
= TRUE
;
4644 SetCapture(es
->hwndSelf
);
4646 l
= EDIT_EM_LineFromChar(es
, e
);
4647 li
= EDIT_EM_LineIndex(es
, l
);
4648 ll
= EDIT_EM_LineLength(es
, e
);
4649 s
= li
+ EDIT_CallWordBreakProc(es
, li
, e
- li
, ll
, WB_LEFT
);
4650 e
= li
+ EDIT_CallWordBreakProc(es
, li
, e
- li
, ll
, WB_RIGHT
);
4651 EDIT_EM_SetSel(es
, s
, e
, FALSE
);
4652 EDIT_EM_ScrollCaret(es
);
4653 es
->region_posx
= es
->region_posy
= 0;
4654 SetTimer(es
->hwndSelf
, 0, 100, NULL
);
4659 /*********************************************************************
4664 static LRESULT
EDIT_WM_LButtonDown(EDITSTATE
*es
, DWORD keys
, INT x
, INT y
)
4669 es
->bCaptureState
= TRUE
;
4670 SetCapture(es
->hwndSelf
);
4671 EDIT_ConfinePoint(es
, &x
, &y
);
4672 e
= EDIT_CharFromPos(es
, x
, y
, &after_wrap
);
4673 EDIT_EM_SetSel(es
, (keys
& MK_SHIFT
) ? es
->selection_start
: e
, e
, after_wrap
);
4674 EDIT_EM_ScrollCaret(es
);
4675 es
->region_posx
= es
->region_posy
= 0;
4676 SetTimer(es
->hwndSelf
, 0, 100, NULL
);
4678 if (!(es
->flags
& EF_FOCUSED
))
4679 SetFocus(es
->hwndSelf
);
4685 /*********************************************************************
4690 static LRESULT
EDIT_WM_LButtonUp(EDITSTATE
*es
)
4692 if (es
->bCaptureState
) {
4693 KillTimer(es
->hwndSelf
, 0);
4694 if (GetCapture() == es
->hwndSelf
) ReleaseCapture();
4696 es
->bCaptureState
= FALSE
;
4701 /*********************************************************************
4706 static LRESULT
EDIT_WM_MButtonDown(EDITSTATE
*es
)
4708 SendMessageW(es
->hwndSelf
, WM_PASTE
, 0, 0);
4713 /*********************************************************************
4718 static LRESULT
EDIT_WM_MouseMove(EDITSTATE
*es
, INT x
, INT y
)
4724 /* If the mouse has been captured by process other than the edit control itself,
4725 * the windows edit controls will not select the strings with mouse move.
4727 if (!es
->bCaptureState
|| GetCapture() != es
->hwndSelf
)
4731 * FIXME: gotta do some scrolling if outside client
4732 * area. Maybe reset the timer ?
4735 EDIT_ConfinePoint(es
, &x
, &y
);
4736 es
->region_posx
= (prex
< x
) ? -1 : ((prex
> x
) ? 1 : 0);
4737 es
->region_posy
= (prey
< y
) ? -1 : ((prey
> y
) ? 1 : 0);
4738 e
= EDIT_CharFromPos(es
, x
, y
, &after_wrap
);
4739 EDIT_EM_SetSel(es
, es
->selection_start
, e
, after_wrap
);
4740 EDIT_SetCaretPos(es
,es
->selection_end
,es
->flags
& EF_AFTER_WRAP
);
4745 /*********************************************************************
4749 * See also EDIT_WM_StyleChanged
4751 static LRESULT
EDIT_WM_NCCreate(HWND hwnd
, LPCREATESTRUCTW lpcs
, BOOL unicode
)
4756 TRACE("Creating %s edit control, style = %08x\n",
4757 unicode
? "Unicode" : "ANSI", lpcs
->style
);
4759 if (!(es
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(*es
))))
4761 SetWindowLongPtrW( hwnd
, 0, (LONG_PTR
)es
);
4764 * Note: since the EDITSTATE has not been fully initialized yet,
4765 * we can't use any API calls that may send
4766 * WM_XXX messages before WM_NCCREATE is completed.
4769 es
->is_unicode
= unicode
;
4770 es
->style
= lpcs
->style
;
4772 es
->bEnableState
= !(es
->style
& WS_DISABLED
);
4774 es
->hwndSelf
= hwnd
;
4775 /* Save parent, which will be notified by EN_* messages */
4776 es
->hwndParent
= lpcs
->hwndParent
;
4778 if (es
->style
& ES_COMBO
)
4779 es
->hwndListBox
= GetDlgItem(es
->hwndParent
, ID_CB_LISTBOX
);
4781 /* Number overrides lowercase overrides uppercase (at least it
4782 * does in Win95). However I'll bet that ES_NUMBER would be
4783 * invalid under Win 3.1.
4785 if (es
->style
& ES_NUMBER
) {
4786 ; /* do not override the ES_NUMBER */
4787 } else if (es
->style
& ES_LOWERCASE
) {
4788 es
->style
&= ~ES_UPPERCASE
;
4790 if (es
->style
& ES_MULTILINE
) {
4791 es
->buffer_limit
= BUFLIMIT_MULTI
;
4792 if (es
->style
& WS_VSCROLL
)
4793 es
->style
|= ES_AUTOVSCROLL
;
4794 if (es
->style
& WS_HSCROLL
)
4795 es
->style
|= ES_AUTOHSCROLL
;
4796 es
->style
&= ~ES_PASSWORD
;
4797 if ((es
->style
& ES_CENTER
) || (es
->style
& ES_RIGHT
)) {
4798 /* Confirmed - RIGHT overrides CENTER */
4799 if (es
->style
& ES_RIGHT
)
4800 es
->style
&= ~ES_CENTER
;
4801 es
->style
&= ~WS_HSCROLL
;
4802 es
->style
&= ~ES_AUTOHSCROLL
;
4805 es
->buffer_limit
= BUFLIMIT_SINGLE
;
4806 if ((es
->style
& ES_RIGHT
) && (es
->style
& ES_CENTER
))
4807 es
->style
&= ~ES_CENTER
;
4808 es
->style
&= ~WS_HSCROLL
;
4809 es
->style
&= ~WS_VSCROLL
;
4810 if (es
->style
& ES_PASSWORD
)
4811 es
->password_char
= '*';
4814 alloc_size
= ROUND_TO_GROW((es
->buffer_size
+ 1) * sizeof(WCHAR
));
4815 if(!(es
->hloc32W
= LocalAlloc(LMEM_MOVEABLE
| LMEM_ZEROINIT
, alloc_size
)))
4817 es
->buffer_size
= LocalSize(es
->hloc32W
)/sizeof(WCHAR
) - 1;
4819 if (!(es
->undo_text
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, (es
->buffer_size
+ 1) * sizeof(WCHAR
))))
4821 es
->undo_buffer_size
= es
->buffer_size
;
4823 if (es
->style
& ES_MULTILINE
)
4824 if (!(es
->first_line_def
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(LINEDEF
))))
4829 * In Win95 look and feel, the WS_BORDER style is replaced by the
4830 * WS_EX_CLIENTEDGE style for the edit control. This gives the edit
4831 * control a nonclient area so we don't need to draw the border.
4832 * If WS_BORDER without WS_EX_CLIENTEDGE is specified we shouldn't have
4833 * a nonclient area and we should handle painting the border ourselves.
4835 * When making modifications please ensure that the code still works
4836 * for edit controls created directly with style 0x50800000, exStyle 0
4837 * (which should have a single pixel border)
4839 if (lpcs
->dwExStyle
& WS_EX_CLIENTEDGE
)
4840 es
->style
&= ~WS_BORDER
;
4841 else if (es
->style
& WS_BORDER
)
4842 SetWindowLongW(hwnd
, GWL_STYLE
, es
->style
& ~WS_BORDER
);
4847 /*********************************************************************
4852 static void EDIT_WM_Paint(EDITSTATE
*es
, HDC hdc
)
4865 BOOL rev
= es
->bEnableState
&&
4866 ((es
->flags
& EF_FOCUSED
) ||
4867 (es
->style
& ES_NOHIDESEL
));
4868 dc
= hdc
? hdc
: BeginPaint(es
->hwndSelf
, &ps
);
4870 GetClientRect(es
->hwndSelf
, &rcClient
);
4872 /* get the background brush */
4873 brush
= EDIT_NotifyCtlColor(es
, dc
);
4875 /* paint the border and the background */
4876 IntersectClipRect(dc
, rcClient
.left
, rcClient
.top
, rcClient
.right
, rcClient
.bottom
);
4878 if(es
->style
& WS_BORDER
) {
4879 bw
= GetSystemMetrics(SM_CXBORDER
);
4880 bh
= GetSystemMetrics(SM_CYBORDER
);
4882 if(es
->style
& ES_MULTILINE
) {
4883 if(es
->style
& WS_HSCROLL
) rc
.bottom
+=bh
;
4884 if(es
->style
& WS_VSCROLL
) rc
.right
+=bw
;
4887 /* Draw the frame. Same code as in nonclient.c */
4888 old_brush
= SelectObject(dc
, GetSysColorBrush(COLOR_WINDOWFRAME
));
4889 PatBlt(dc
, rc
.left
, rc
.top
, rc
.right
- rc
.left
, bh
, PATCOPY
);
4890 PatBlt(dc
, rc
.left
, rc
.top
, bw
, rc
.bottom
- rc
.top
, PATCOPY
);
4891 PatBlt(dc
, rc
.left
, rc
.bottom
- 1, rc
.right
- rc
.left
, -bw
, PATCOPY
);
4892 PatBlt(dc
, rc
.right
- 1, rc
.top
, -bw
, rc
.bottom
- rc
.top
, PATCOPY
);
4893 SelectObject(dc
, old_brush
);
4895 /* Keep the border clean */
4896 IntersectClipRect(dc
, rc
.left
+bw
, rc
.top
+bh
,
4897 max(rc
.right
-bw
, rc
.left
+bw
), max(rc
.bottom
-bh
, rc
.top
+bh
));
4900 GetClipBox(dc
, &rc
);
4901 FillRect(dc
, &rc
, brush
);
4903 IntersectClipRect(dc
, es
->format_rect
.left
,
4904 es
->format_rect
.top
,
4905 es
->format_rect
.right
,
4906 es
->format_rect
.bottom
);
4907 if (es
->style
& ES_MULTILINE
) {
4909 IntersectClipRect(dc
, rc
.left
, rc
.top
, rc
.right
, rc
.bottom
);
4912 old_font
= SelectObject(dc
, es
->font
);
4914 if (!es
->bEnableState
)
4915 SetTextColor(dc
, GetSysColor(COLOR_GRAYTEXT
));
4916 GetClipBox(dc
, &rcRgn
);
4917 if (es
->style
& ES_MULTILINE
) {
4918 INT vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
4919 for (i
= es
->y_offset
; i
<= min(es
->y_offset
+ vlc
, es
->y_offset
+ es
->line_count
- 1) ; i
++) {
4920 EDIT_GetLineRect(es
, i
, 0, -1, &rcLine
);
4921 if (IntersectRect(&rc
, &rcRgn
, &rcLine
))
4922 EDIT_PaintLine(es
, dc
, i
, rev
);
4925 EDIT_GetLineRect(es
, 0, 0, -1, &rcLine
);
4926 if (IntersectRect(&rc
, &rcRgn
, &rcLine
))
4927 EDIT_PaintLine(es
, dc
, 0, rev
);
4930 SelectObject(dc
, old_font
);
4933 EndPaint(es
->hwndSelf
, &ps
);
4937 /*********************************************************************
4942 static void EDIT_WM_Paste(EDITSTATE
*es
)
4947 /* Protect read-only edit control from modification */
4948 if(es
->style
& ES_READONLY
)
4951 OpenClipboard(es
->hwndSelf
);
4952 if ((hsrc
= GetClipboardData(CF_UNICODETEXT
))) {
4953 src
= (LPWSTR
)GlobalLock(hsrc
);
4954 EDIT_EM_ReplaceSel(es
, TRUE
, src
, TRUE
, TRUE
);
4957 else if (es
->style
& ES_PASSWORD
) {
4958 /* clear selected text in password edit box even with empty clipboard */
4959 const WCHAR empty_strW
[] = { 0 };
4960 EDIT_EM_ReplaceSel(es
, TRUE
, empty_strW
, TRUE
, TRUE
);
4966 /*********************************************************************
4971 static void EDIT_WM_SetFocus(EDITSTATE
*es
)
4973 es
->flags
|= EF_FOCUSED
;
4975 if (!(es
->style
& ES_NOHIDESEL
))
4976 EDIT_InvalidateText(es
, es
->selection_start
, es
->selection_end
);
4978 /* single line edit updates itself */
4979 if (!(es
->style
& ES_MULTILINE
))
4981 HDC hdc
= GetDC(es
->hwndSelf
);
4982 EDIT_WM_Paint(es
, hdc
);
4983 ReleaseDC(es
->hwndSelf
, hdc
);
4986 CreateCaret(es
->hwndSelf
, 0, 2, es
->line_height
);
4987 EDIT_SetCaretPos(es
, es
->selection_end
,
4988 es
->flags
& EF_AFTER_WRAP
);
4989 ShowCaret(es
->hwndSelf
);
4990 EDIT_NOTIFY_PARENT(es
, EN_SETFOCUS
);
4994 /*********************************************************************
4998 * With Win95 look the margins are set to default font value unless
4999 * the system font (font == 0) is being set, in which case they are left
5003 static void EDIT_WM_SetFont(EDITSTATE
*es
, HFONT font
, BOOL redraw
)
5011 dc
= GetDC(es
->hwndSelf
);
5013 old_font
= SelectObject(dc
, font
);
5014 GetTextMetricsW(dc
, &tm
);
5015 es
->line_height
= tm
.tmHeight
;
5016 es
->char_width
= tm
.tmAveCharWidth
;
5018 SelectObject(dc
, old_font
);
5019 ReleaseDC(es
->hwndSelf
, dc
);
5021 /* Reset the format rect and the margins */
5022 GetClientRect(es
->hwndSelf
, &clientRect
);
5023 EDIT_SetRectNP(es
, &clientRect
);
5024 EDIT_EM_SetMargins(es
, EC_LEFTMARGIN
| EC_RIGHTMARGIN
,
5025 EC_USEFONTINFO
, EC_USEFONTINFO
, FALSE
);
5027 if (es
->style
& ES_MULTILINE
)
5028 EDIT_BuildLineDefs_ML(es
, 0, get_text_length(es
), 0, NULL
);
5030 EDIT_CalcLineWidth_SL(es
);
5033 EDIT_UpdateText(es
, NULL
, TRUE
);
5034 if (es
->flags
& EF_FOCUSED
) {
5036 CreateCaret(es
->hwndSelf
, 0, 2, es
->line_height
);
5037 EDIT_SetCaretPos(es
, es
->selection_end
,
5038 es
->flags
& EF_AFTER_WRAP
);
5039 ShowCaret(es
->hwndSelf
);
5044 /*********************************************************************
5049 * For multiline controls (ES_MULTILINE), reception of WM_SETTEXT triggers:
5050 * The modified flag is reset. No notifications are sent.
5052 * For single-line controls, reception of WM_SETTEXT triggers:
5053 * The modified flag is reset. EN_UPDATE and EN_CHANGE notifications are sent.
5056 static void EDIT_WM_SetText(EDITSTATE
*es
, LPCWSTR text
, BOOL unicode
)
5058 LPWSTR textW
= NULL
;
5059 if (!unicode
&& text
)
5061 LPCSTR textA
= (LPCSTR
)text
;
5062 INT countW
= MultiByteToWideChar(CP_ACP
, 0, textA
, -1, NULL
, 0);
5063 textW
= HeapAlloc(GetProcessHeap(), 0, countW
* sizeof(WCHAR
));
5065 MultiByteToWideChar(CP_ACP
, 0, textA
, -1, textW
, countW
);
5069 if (es
->flags
& EF_UPDATE
)
5070 /* fixed this bug once; complain if we see it about to happen again. */
5071 ERR("SetSel may generate UPDATE message whose handler may reset "
5074 EDIT_EM_SetSel(es
, 0, (UINT
)-1, FALSE
);
5077 TRACE("%s\n", debugstr_w(text
));
5078 EDIT_EM_ReplaceSel(es
, FALSE
, text
, FALSE
, FALSE
);
5080 HeapFree(GetProcessHeap(), 0, textW
);
5084 static const WCHAR empty_stringW
[] = {0};
5086 EDIT_EM_ReplaceSel(es
, FALSE
, empty_stringW
, FALSE
, FALSE
);
5089 es
->flags
&= ~EF_MODIFIED
;
5090 EDIT_EM_SetSel(es
, 0, 0, FALSE
);
5092 /* Send the notification after the selection start and end have been set
5093 * edit control doesn't send notification on WM_SETTEXT
5094 * if it is multiline, or it is part of combobox
5096 if( !((es
->style
& ES_MULTILINE
) || es
->hwndListBox
))
5098 EDIT_NOTIFY_PARENT(es
, EN_UPDATE
);
5099 EDIT_NOTIFY_PARENT(es
, EN_CHANGE
);
5101 EDIT_EM_ScrollCaret(es
);
5102 EDIT_UpdateScrollInfo(es
);
5106 /*********************************************************************
5111 static void EDIT_WM_Size(EDITSTATE
*es
, UINT action
, INT width
, INT height
)
5113 if ((action
== SIZE_MAXIMIZED
) || (action
== SIZE_RESTORED
)) {
5115 TRACE("width = %d, height = %d\n", width
, height
);
5116 SetRect(&rc
, 0, 0, width
, height
);
5117 EDIT_SetRectNP(es
, &rc
);
5118 EDIT_UpdateText(es
, NULL
, TRUE
);
5123 /*********************************************************************
5127 * This message is sent by SetWindowLong on having changed either the Style
5128 * or the extended style.
5130 * We ensure that the window's version of the styles and the EDITSTATE's agree.
5132 * See also EDIT_WM_NCCreate
5134 * It appears that the Windows version of the edit control allows the style
5135 * (as retrieved by GetWindowLong) to be any value and maintains an internal
5136 * style variable which will generally be different. In this function we
5137 * update the internal style based on what changed in the externally visible
5140 * Much of this content as based upon the MSDN, especially:
5141 * Platform SDK Documentation -> User Interface Services ->
5142 * Windows User Interface -> Edit Controls -> Edit Control Reference ->
5143 * Edit Control Styles
5145 static LRESULT
EDIT_WM_StyleChanged ( EDITSTATE
*es
, WPARAM which
, const STYLESTRUCT
*style
)
5147 if (GWL_STYLE
== which
) {
5148 DWORD style_change_mask
;
5150 /* Only a subset of changes can be applied after the control
5153 style_change_mask
= ES_UPPERCASE
| ES_LOWERCASE
|
5155 if (es
->style
& ES_MULTILINE
)
5156 style_change_mask
|= ES_WANTRETURN
;
5158 new_style
= style
->styleNew
& style_change_mask
;
5160 /* Number overrides lowercase overrides uppercase (at least it
5161 * does in Win95). However I'll bet that ES_NUMBER would be
5162 * invalid under Win 3.1.
5164 if (new_style
& ES_NUMBER
) {
5165 ; /* do not override the ES_NUMBER */
5166 } else if (new_style
& ES_LOWERCASE
) {
5167 new_style
&= ~ES_UPPERCASE
;
5170 es
->style
= (es
->style
& ~style_change_mask
) | new_style
;
5171 } else if (GWL_EXSTYLE
== which
) {
5172 ; /* FIXME - what is needed here */
5174 WARN ("Invalid style change %ld\n",which
);
5180 /*********************************************************************
5185 static LRESULT
EDIT_WM_SysKeyDown(EDITSTATE
*es
, INT key
, DWORD key_data
)
5187 if ((key
== VK_BACK
) && (key_data
& 0x2000)) {
5188 if (EDIT_EM_CanUndo(es
))
5191 } else if (key
== VK_UP
|| key
== VK_DOWN
) {
5192 if (EDIT_CheckCombo(es
, WM_SYSKEYDOWN
, key
))
5195 return DefWindowProcW(es
->hwndSelf
, WM_SYSKEYDOWN
, (WPARAM
)key
, (LPARAM
)key_data
);
5199 /*********************************************************************
5204 static void EDIT_WM_Timer(EDITSTATE
*es
)
5206 if (es
->region_posx
< 0) {
5207 EDIT_MoveBackward(es
, TRUE
);
5208 } else if (es
->region_posx
> 0) {
5209 EDIT_MoveForward(es
, TRUE
);
5212 * FIXME: gotta do some vertical scrolling here, like
5213 * EDIT_EM_LineScroll(hwnd, 0, 1);
5217 /*********************************************************************
5222 static LRESULT
EDIT_WM_VScroll(EDITSTATE
*es
, INT action
, INT pos
)
5226 if (!(es
->style
& ES_MULTILINE
))
5229 if (!(es
->style
& ES_AUTOVSCROLL
))
5238 TRACE("action %d (%s)\n", action
, (action
== SB_LINEUP
? "SB_LINEUP" :
5239 (action
== SB_LINEDOWN
? "SB_LINEDOWN" :
5240 (action
== SB_PAGEUP
? "SB_PAGEUP" :
5242 EDIT_EM_Scroll(es
, action
);
5249 TRACE("SB_BOTTOM\n");
5250 dy
= es
->line_count
- 1 - es
->y_offset
;
5253 TRACE("SB_THUMBTRACK %d\n", pos
);
5254 es
->flags
|= EF_VSCROLL_TRACK
;
5255 if(es
->style
& WS_VSCROLL
)
5256 dy
= pos
- es
->y_offset
;
5259 /* Assume default scroll range 0-100 */
5262 if(pos
< 0 || pos
> 100) return 0;
5263 vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
5264 new_y
= pos
* (es
->line_count
- vlc
) / 100;
5265 dy
= es
->line_count
? (new_y
- es
->y_offset
) : 0;
5266 TRACE("line_count=%d, y_offset=%d, pos=%d, dy = %d\n",
5267 es
->line_count
, es
->y_offset
, pos
, dy
);
5270 case SB_THUMBPOSITION
:
5271 TRACE("SB_THUMBPOSITION %d\n", pos
);
5272 es
->flags
&= ~EF_VSCROLL_TRACK
;
5273 if(es
->style
& WS_VSCROLL
)
5274 dy
= pos
- es
->y_offset
;
5277 /* Assume default scroll range 0-100 */
5280 if(pos
< 0 || pos
> 100) return 0;
5281 vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
5282 new_y
= pos
* (es
->line_count
- vlc
) / 100;
5283 dy
= es
->line_count
? (new_y
- es
->y_offset
) : 0;
5284 TRACE("line_count=%d, y_offset=%d, pos=%d, dy = %d\n",
5285 es
->line_count
, es
->y_offset
, pos
, dy
);
5289 /* force scroll info update */
5290 EDIT_UpdateScrollInfo(es
);
5291 EDIT_NOTIFY_PARENT(es
, EN_VSCROLL
);
5295 TRACE("SB_ENDSCROLL\n");
5298 * FIXME : the next two are undocumented !
5299 * Are we doing the right thing ?
5300 * At least Win 3.1 Notepad makes use of EM_GETTHUMB this way,
5301 * although it's also a regular control message.
5303 case EM_GETTHUMB
: /* this one is used by NT notepad */
5307 if(GetWindowLongW( es
->hwndSelf
, GWL_STYLE
) & WS_VSCROLL
)
5308 ret
= GetScrollPos(es
->hwndSelf
, SB_VERT
);
5311 /* Assume default scroll range 0-100 */
5312 INT vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
5313 ret
= es
->line_count
? es
->y_offset
* 100 / (es
->line_count
- vlc
) : 0;
5315 TRACE("EM_GETTHUMB: returning %ld\n", ret
);
5318 case EM_LINESCROLL16
:
5319 TRACE("EM_LINESCROLL16 %d\n", pos
);
5324 ERR("undocumented WM_VSCROLL action %d (0x%04x), please report\n",
5329 EDIT_EM_LineScroll(es
, 0, dy
);
5333 /*********************************************************************
5338 static void EDIT_UpdateTextRegion(EDITSTATE
*es
, HRGN hrgn
, BOOL bErase
)
5340 if (es
->flags
& EF_UPDATE
) {
5341 es
->flags
&= ~EF_UPDATE
;
5342 EDIT_NOTIFY_PARENT(es
, EN_UPDATE
);
5344 InvalidateRgn(es
->hwndSelf
, hrgn
, bErase
);
5348 /*********************************************************************
5353 static void EDIT_UpdateText(EDITSTATE
*es
, LPRECT rc
, BOOL bErase
)
5355 if (es
->flags
& EF_UPDATE
) {
5356 es
->flags
&= ~EF_UPDATE
;
5357 EDIT_NOTIFY_PARENT(es
, EN_UPDATE
);
5359 InvalidateRect(es
->hwndSelf
, rc
, bErase
);
5362 /********************************************************************
5364 * The Following code is to handle inline editing from IMEs
5367 static void EDIT_GetCompositionStr(HWND hwnd
, LPARAM CompFlag
, EDITSTATE
*es
)
5370 LPWSTR lpCompStr
= NULL
;
5372 LPSTR lpCompStrAttr
= NULL
;
5375 if (!(hIMC
= ImmGetContext(hwnd
)))
5378 dwBufLen
= ImmGetCompositionStringW(hIMC
, GCS_COMPSTR
, NULL
, 0);
5382 ImmReleaseContext(hwnd
, hIMC
);
5386 lpCompStr
= HeapAlloc(GetProcessHeap(),0,dwBufLen
+ sizeof(WCHAR
));
5389 ERR("Unable to allocate IME CompositionString\n");
5390 ImmReleaseContext(hwnd
,hIMC
);
5395 ImmGetCompositionStringW(hIMC
, GCS_COMPSTR
, lpCompStr
, dwBufLen
);
5396 lpCompStr
[dwBufLen
/sizeof(WCHAR
)] = 0;
5398 if (CompFlag
& GCS_COMPATTR
)
5401 * We do not use the attributes yet. it would tell us what characters
5402 * are in transition and which are converted or decided upon
5404 dwBufLenAttr
= ImmGetCompositionStringW(hIMC
, GCS_COMPATTR
, NULL
, 0);
5408 lpCompStrAttr
= HeapAlloc(GetProcessHeap(),0,dwBufLenAttr
+1);
5411 ERR("Unable to allocate IME Attribute String\n");
5412 HeapFree(GetProcessHeap(),0,lpCompStr
);
5413 ImmReleaseContext(hwnd
,hIMC
);
5416 ImmGetCompositionStringW(hIMC
,GCS_COMPATTR
, lpCompStrAttr
,
5418 lpCompStrAttr
[dwBufLenAttr
] = 0;
5421 lpCompStrAttr
= NULL
;
5424 /* check for change in composition start */
5425 if (es
->selection_end
< es
->composition_start
)
5426 es
->composition_start
= es
->selection_end
;
5428 /* replace existing selection string */
5429 es
->selection_start
= es
->composition_start
;
5431 if (es
->composition_len
> 0)
5432 es
->selection_end
= es
->composition_start
+ es
->composition_len
;
5434 es
->selection_end
= es
->selection_start
;
5436 EDIT_EM_ReplaceSel(es
, FALSE
, lpCompStr
, TRUE
, TRUE
);
5437 es
->composition_len
= abs(es
->composition_start
- es
->selection_end
);
5439 es
->selection_start
= es
->composition_start
;
5440 es
->selection_end
= es
->selection_start
+ es
->composition_len
;
5442 HeapFree(GetProcessHeap(),0,lpCompStrAttr
);
5443 HeapFree(GetProcessHeap(),0,lpCompStr
);
5444 ImmReleaseContext(hwnd
,hIMC
);
5447 static void EDIT_GetResultStr(HWND hwnd
, EDITSTATE
*es
)
5453 if ( !(hIMC
= ImmGetContext(hwnd
)))
5456 dwBufLen
= ImmGetCompositionStringW(hIMC
, GCS_RESULTSTR
, NULL
, 0);
5459 ImmReleaseContext(hwnd
, hIMC
);
5463 lpResultStr
= HeapAlloc(GetProcessHeap(),0, dwBufLen
+sizeof(WCHAR
));
5466 ERR("Unable to alloc buffer for IME string\n");
5467 ImmReleaseContext(hwnd
, hIMC
);
5471 ImmGetCompositionStringW(hIMC
, GCS_RESULTSTR
, lpResultStr
, dwBufLen
);
5472 lpResultStr
[dwBufLen
/sizeof(WCHAR
)] = 0;
5474 /* check for change in composition start */
5475 if (es
->selection_end
< es
->composition_start
)
5476 es
->composition_start
= es
->selection_end
;
5478 es
->selection_start
= es
->composition_start
;
5479 es
->selection_end
= es
->composition_start
+ es
->composition_len
;
5480 EDIT_EM_ReplaceSel(es
, TRUE
, lpResultStr
, TRUE
, TRUE
);
5481 es
->composition_start
= es
->selection_end
;
5482 es
->composition_len
= 0;
5484 HeapFree(GetProcessHeap(),0,lpResultStr
);
5485 ImmReleaseContext(hwnd
, hIMC
);
5488 static void EDIT_ImeComposition(HWND hwnd
, LPARAM CompFlag
, EDITSTATE
*es
)
5490 if (CompFlag
& GCS_RESULTSTR
)
5491 EDIT_GetResultStr(hwnd
,es
);
5492 if (CompFlag
& GCS_COMPSTR
)
5493 EDIT_GetCompositionStr(hwnd
, CompFlag
, es
);