4 * Copyright David W. Metcalfe, 1994
5 * Copyright William Magro, 1995, 1996
6 * Copyright Frans van Dorsselaer, 1996, 1997
11 * please read EDIT.TODO (and update it when you change things)
19 #include "wine/winbase16.h"
23 #include "debugtools.h"
27 DECLARE_DEBUG_CHANNEL(combo
)
28 DECLARE_DEBUG_CHANNEL(edit
)
29 DECLARE_DEBUG_CHANNEL(relay
)
31 #define BUFLIMIT_MULTI 65534 /* maximum buffer size (not including '\0')
32 FIXME: BTW, new specs say 65535 (do you dare ???) */
33 #define BUFLIMIT_SINGLE 32766 /* maximum buffer size (not including '\0') */
34 #define BUFSTART_MULTI 1024 /* starting size */
35 #define BUFSTART_SINGLE 256 /* starting size */
36 #define GROWLENGTH 64 /* buffers grow by this much */
37 #define HSCROLL_FRACTION 3 /* scroll window by 1/3 width */
40 * extra flags for EDITSTATE.flags field
42 #define EF_MODIFIED 0x0001 /* text has been modified */
43 #define EF_FOCUSED 0x0002 /* we have input focus */
44 #define EF_UPDATE 0x0004 /* notify parent of changed state on next WM_PAINT */
45 #define EF_VSCROLL_TRACK 0x0008 /* don't SetScrollPos() since we are tracking the thumb */
46 #define EF_HSCROLL_TRACK 0x0010 /* don't SetScrollPos() since we are tracking the thumb */
47 #define EF_VSCROLL_HACK 0x0020 /* we already have informed the user of the hacked handler */
48 #define EF_HSCROLL_HACK 0x0040 /* we already have informed the user of the hacked handler */
49 #define EF_AFTER_WRAP 0x0080 /* the caret is displayed after the last character of a
50 wrapped line, instead of in front of the next character */
51 #define EF_USE_SOFTBRK 0x0100 /* Enable soft breaks in text. */
55 END_0
= 0, /* line ends with terminating '\0' character */
56 END_WRAP
, /* line is wrapped */
57 END_HARD
, /* line ends with a hard return '\r\n' */
58 END_SOFT
/* line ends with a soft return '\r\r\n' */
61 typedef struct tagLINEDEF
{
62 INT length
; /* bruto length of a line in bytes */
63 INT net_length
; /* netto length of a line in visible characters */
65 INT width
; /* width of the line in pixels */
66 struct tagLINEDEF
*next
;
71 HANDLE heap
; /* our own heap */
72 LPSTR text
; /* the actual contents of the control */
73 INT buffer_size
; /* the size of the buffer */
74 INT buffer_limit
; /* the maximum size to which the buffer may grow */
75 HFONT font
; /* NULL means standard system font */
76 INT x_offset
; /* scroll offset for multi lines this is in pixels
77 for single lines it's in characters */
78 INT line_height
; /* height of a screen line in pixels */
79 INT char_width
; /* average character width in pixels */
80 DWORD style
; /* sane version of wnd->dwStyle */
81 WORD flags
; /* flags that are not in es->style or wnd->flags (EF_XXX) */
82 INT undo_insert_count
; /* number of characters inserted in sequence */
83 INT undo_position
; /* character index of the insertion and deletion */
84 LPSTR undo_text
; /* deleted text */
85 INT undo_buffer_size
; /* size of the deleted text buffer */
86 INT selection_start
; /* == selection_end if no selection */
87 INT selection_end
; /* == current caret position */
88 CHAR password_char
; /* == 0 if no password char, and for multi line controls */
89 INT left_margin
; /* in pixels */
90 INT right_margin
; /* in pixels */
92 INT region_posx
; /* Position of cursor relative to region: */
93 INT region_posy
; /* -1: to left, 0: within, 1: to right */
94 EDITWORDBREAKPROC16 word_break_proc16
;
95 EDITWORDBREAKPROCA word_break_proc32A
;
96 INT line_count
; /* number of lines */
97 INT y_offset
; /* scroll offset in number of lines */
99 * only for multi line controls
101 INT lock_count
; /* amount of re-entries in the EditWndProc */
104 INT text_width
; /* width of the widest line in pixels */
105 LINEDEF
*first_line_def
; /* linked list of (soft) linebreaks */
106 HLOCAL16 hloc16
; /* for controls receiving EM_GETHANDLE16 */
107 HLOCAL hloc32
; /* for controls receiving EM_GETHANDLE */
111 #define SWAP_INT32(x,y) do { INT temp = (INT)(x); (x) = (INT)(y); (y) = temp; } while(0)
112 #define ORDER_INT(x,y) do { if ((INT)(y) < (INT)(x)) SWAP_INT32((x),(y)); } while(0)
114 #define SWAP_UINT32(x,y) do { UINT temp = (UINT)(x); (x) = (UINT)(y); (y) = temp; } while(0)
115 #define ORDER_UINT(x,y) do { if ((UINT)(y) < (UINT)(x)) SWAP_UINT32((x),(y)); } while(0)
117 #define DPRINTF_EDIT_NOTIFY(hwnd, str) \
118 do {TRACE_(edit)("notification " str " sent to hwnd=%08x\n", \
119 (UINT)(hwnd));} while(0)
121 /* used for disabled or read-only edit control */
122 #define EDIT_SEND_CTLCOLORSTATIC(wnd,hdc) \
123 (SendMessageA((wnd)->parent->hwndSelf, WM_CTLCOLORSTATIC, \
124 (WPARAM)(hdc), (LPARAM)(wnd)->hwndSelf))
125 #define EDIT_SEND_CTLCOLOR(wnd,hdc) \
126 (SendMessageA((wnd)->parent->hwndSelf, WM_CTLCOLOREDIT, \
127 (WPARAM)(hdc), (LPARAM)(wnd)->hwndSelf))
128 #define EDIT_NOTIFY_PARENT(wnd, wNotifyCode, str) \
129 do {DPRINTF_EDIT_NOTIFY((wnd)->parent->hwndSelf, str); \
130 SendMessageA((wnd)->parent->hwndSelf, WM_COMMAND, \
131 MAKEWPARAM((wnd)->wIDmenu, wNotifyCode), \
132 (LPARAM)(wnd)->hwndSelf);} while(0)
133 #define DPRINTF_EDIT_MSG16(str) \
135 "16 bit : " str ": hwnd=%08x, wParam=%08x, lParam=%08x\n", \
136 (UINT)hwnd, (UINT)wParam, (UINT)lParam)
137 #define DPRINTF_EDIT_MSG32(str) \
139 "32 bit : " str ": hwnd=%08x, wParam=%08x, lParam=%08x\n", \
140 (UINT)hwnd, (UINT)wParam, (UINT)lParam)
142 /*********************************************************************
149 * These functions have trivial implementations
150 * We still like to call them internally
151 * "static inline" makes them more like macro's
153 static inline BOOL
EDIT_EM_CanUndo(WND
*wnd
, EDITSTATE
*es
);
154 static inline void EDIT_EM_EmptyUndoBuffer(WND
*wnd
, EDITSTATE
*es
);
155 static inline void EDIT_WM_Clear(WND
*wnd
, EDITSTATE
*es
);
156 static inline void EDIT_WM_Cut(WND
*wnd
, EDITSTATE
*es
);
158 * This is the only exported function
160 LRESULT WINAPI
EditWndProc( HWND hwnd
, UINT msg
,
161 WPARAM wParam
, LPARAM lParam
);
163 * Helper functions only valid for one type of control
165 static void EDIT_BuildLineDefs_ML(WND
*wnd
, EDITSTATE
*es
);
166 static LPSTR
EDIT_GetPasswordPointer_SL(WND
*wnd
, EDITSTATE
*es
);
167 static void EDIT_MoveDown_ML(WND
*wnd
, EDITSTATE
*es
, BOOL extend
);
168 static void EDIT_MovePageDown_ML(WND
*wnd
, EDITSTATE
*es
, BOOL extend
);
169 static void EDIT_MovePageUp_ML(WND
*wnd
, EDITSTATE
*es
, BOOL extend
);
170 static void EDIT_MoveUp_ML(WND
*wnd
, EDITSTATE
*es
, BOOL extend
);
172 * Helper functions valid for both single line _and_ multi line controls
174 static INT
EDIT_CallWordBreakProc(WND
*wnd
, EDITSTATE
*es
, INT start
, INT index
, INT count
, INT action
);
175 static INT
EDIT_CharFromPos(WND
*wnd
, EDITSTATE
*es
, INT x
, INT y
, LPBOOL after_wrap
);
176 static void EDIT_ConfinePoint(WND
*wnd
, EDITSTATE
*es
, LPINT x
, LPINT y
);
177 static void EDIT_GetLineRect(WND
*wnd
, EDITSTATE
*es
, INT line
, INT scol
, INT ecol
, LPRECT rc
);
178 static void EDIT_InvalidateText(WND
*wnd
, EDITSTATE
*es
, INT start
, INT end
);
179 static void EDIT_LockBuffer(WND
*wnd
, EDITSTATE
*es
);
180 static BOOL
EDIT_MakeFit(WND
*wnd
, EDITSTATE
*es
, INT size
);
181 static BOOL
EDIT_MakeUndoFit(WND
*wnd
, EDITSTATE
*es
, INT size
);
182 static void EDIT_MoveBackward(WND
*wnd
, EDITSTATE
*es
, BOOL extend
);
183 static void EDIT_MoveEnd(WND
*wnd
, EDITSTATE
*es
, BOOL extend
);
184 static void EDIT_MoveForward(WND
*wnd
, EDITSTATE
*es
, BOOL extend
);
185 static void EDIT_MoveHome(WND
*wnd
, EDITSTATE
*es
, BOOL extend
);
186 static void EDIT_MoveWordBackward(WND
*wnd
, EDITSTATE
*es
, BOOL extend
);
187 static void EDIT_MoveWordForward(WND
*wnd
, EDITSTATE
*es
, BOOL extend
);
188 static void EDIT_PaintLine(WND
*wnd
, EDITSTATE
*es
, HDC hdc
, INT line
, BOOL rev
);
189 static INT
EDIT_PaintText(WND
*wnd
, EDITSTATE
*es
, HDC hdc
, INT x
, INT y
, INT line
, INT col
, INT count
, BOOL rev
);
190 static void EDIT_SetCaretPos(WND
*wnd
, EDITSTATE
*es
, INT pos
, BOOL after_wrap
);
191 static void EDIT_SetRectNP(WND
*wnd
, EDITSTATE
*es
, LPRECT lprc
);
192 static void EDIT_UnlockBuffer(WND
*wnd
, EDITSTATE
*es
, BOOL force
);
193 static INT
EDIT_WordBreakProc(LPSTR s
, INT index
, INT count
, INT action
);
195 * EM_XXX message handlers
197 static LRESULT
EDIT_EM_CharFromPos(WND
*wnd
, EDITSTATE
*es
, INT x
, INT y
);
198 static BOOL
EDIT_EM_FmtLines(WND
*wnd
, EDITSTATE
*es
, BOOL add_eol
);
199 static HLOCAL
EDIT_EM_GetHandle(WND
*wnd
, EDITSTATE
*es
);
200 static HLOCAL16
EDIT_EM_GetHandle16(WND
*wnd
, EDITSTATE
*es
);
201 static INT
EDIT_EM_GetLine(WND
*wnd
, EDITSTATE
*es
, INT line
, LPSTR lpch
);
202 static LRESULT
EDIT_EM_GetSel(WND
*wnd
, EDITSTATE
*es
, LPUINT start
, LPUINT end
);
203 static LRESULT
EDIT_EM_GetThumb(WND
*wnd
, EDITSTATE
*es
);
204 static INT
EDIT_EM_LineFromChar(WND
*wnd
, EDITSTATE
*es
, INT index
);
205 static INT
EDIT_EM_LineIndex(WND
*wnd
, EDITSTATE
*es
, INT line
);
206 static INT
EDIT_EM_LineLength(WND
*wnd
, EDITSTATE
*es
, INT index
);
207 static BOOL
EDIT_EM_LineScroll(WND
*wnd
, EDITSTATE
*es
, INT dx
, INT dy
);
208 static LRESULT
EDIT_EM_PosFromChar(WND
*wnd
, EDITSTATE
*es
, INT index
, BOOL after_wrap
);
209 static void EDIT_EM_ReplaceSel(WND
*wnd
, EDITSTATE
*es
, BOOL can_undo
, LPCSTR lpsz_replace
);
210 static LRESULT
EDIT_EM_Scroll(WND
*wnd
, EDITSTATE
*es
, INT action
);
211 static void EDIT_EM_ScrollCaret(WND
*wnd
, EDITSTATE
*es
);
212 static void EDIT_EM_SetHandle(WND
*wnd
, EDITSTATE
*es
, HLOCAL hloc
);
213 static void EDIT_EM_SetHandle16(WND
*wnd
, EDITSTATE
*es
, HLOCAL16 hloc
);
214 static void EDIT_EM_SetLimitText(WND
*wnd
, EDITSTATE
*es
, INT limit
);
215 static void EDIT_EM_SetMargins(WND
*wnd
, EDITSTATE
*es
, INT action
, INT left
, INT right
);
216 static void EDIT_EM_SetPasswordChar(WND
*wnd
, EDITSTATE
*es
, CHAR c
);
217 static void EDIT_EM_SetSel(WND
*wnd
, EDITSTATE
*es
, UINT start
, UINT end
, BOOL after_wrap
);
218 static BOOL
EDIT_EM_SetTabStops(WND
*wnd
, EDITSTATE
*es
, INT count
, LPINT tabs
);
219 static BOOL
EDIT_EM_SetTabStops16(WND
*wnd
, EDITSTATE
*es
, INT count
, LPINT16 tabs
);
220 static void EDIT_EM_SetWordBreakProc(WND
*wnd
, EDITSTATE
*es
, EDITWORDBREAKPROCA wbp
);
221 static void EDIT_EM_SetWordBreakProc16(WND
*wnd
, EDITSTATE
*es
, EDITWORDBREAKPROC16 wbp
);
222 static BOOL
EDIT_EM_Undo(WND
*wnd
, EDITSTATE
*es
);
224 * WM_XXX message handlers
226 static void EDIT_WM_Char(WND
*wnd
, EDITSTATE
*es
, CHAR c
, DWORD key_data
);
227 static void EDIT_WM_Command(WND
*wnd
, EDITSTATE
*es
, INT code
, INT id
, HWND conrtol
);
228 static void EDIT_WM_ContextMenu(WND
*wnd
, EDITSTATE
*es
, HWND hwnd
, INT x
, INT y
);
229 static void EDIT_WM_Copy(WND
*wnd
, EDITSTATE
*es
);
230 static LRESULT
EDIT_WM_Create(WND
*wnd
, EDITSTATE
*es
, LPCREATESTRUCTA cs
);
231 static void EDIT_WM_Destroy(WND
*wnd
, EDITSTATE
*es
);
232 static LRESULT
EDIT_WM_EraseBkGnd(WND
*wnd
, EDITSTATE
*es
, HDC dc
);
233 static INT
EDIT_WM_GetText(WND
*wnd
, EDITSTATE
*es
, INT count
, LPSTR text
);
234 static LRESULT
EDIT_WM_HScroll(WND
*wnd
, EDITSTATE
*es
, INT action
, INT pos
, HWND scroll_bar
);
235 static LRESULT
EDIT_WM_KeyDown(WND
*wnd
, EDITSTATE
*es
, INT key
, DWORD key_data
);
236 static LRESULT
EDIT_WM_KillFocus(WND
*wnd
, EDITSTATE
*es
, HWND window_getting_focus
);
237 static LRESULT
EDIT_WM_LButtonDblClk(WND
*wnd
, EDITSTATE
*es
, DWORD keys
, INT x
, INT y
);
238 static LRESULT
EDIT_WM_LButtonDown(WND
*wnd
, EDITSTATE
*es
, DWORD keys
, INT x
, INT y
);
239 static LRESULT
EDIT_WM_LButtonUp(WND
*wnd
, EDITSTATE
*es
, DWORD keys
, INT x
, INT y
);
240 static LRESULT
EDIT_WM_MouseMove(WND
*wnd
, EDITSTATE
*es
, DWORD keys
, INT x
, INT y
);
241 static LRESULT
EDIT_WM_NCCreate(WND
*wnd
, LPCREATESTRUCTA cs
);
242 static void EDIT_WM_Paint(WND
*wnd
, EDITSTATE
*es
);
243 static void EDIT_WM_Paste(WND
*wnd
, EDITSTATE
*es
);
244 static void EDIT_WM_SetFocus(WND
*wnd
, EDITSTATE
*es
, HWND window_losing_focus
);
245 static void EDIT_WM_SetFont(WND
*wnd
, EDITSTATE
*es
, HFONT font
, BOOL redraw
);
246 static void EDIT_WM_SetText(WND
*wnd
, EDITSTATE
*es
, LPCSTR text
);
247 static void EDIT_WM_Size(WND
*wnd
, EDITSTATE
*es
, UINT action
, INT width
, INT height
);
248 static LRESULT
EDIT_WM_SysKeyDown(WND
*wnd
, EDITSTATE
*es
, INT key
, DWORD key_data
);
249 static void EDIT_WM_Timer(WND
*wnd
, EDITSTATE
*es
, INT id
, TIMERPROC timer_proc
);
250 static LRESULT
EDIT_WM_VScroll(WND
*wnd
, EDITSTATE
*es
, INT action
, INT pos
, HWND scroll_bar
);
253 /*********************************************************************
258 static inline BOOL
EDIT_EM_CanUndo(WND
*wnd
, EDITSTATE
*es
)
260 return (es
->undo_insert_count
|| lstrlenA(es
->undo_text
));
264 /*********************************************************************
269 static inline void EDIT_EM_EmptyUndoBuffer(WND
*wnd
, EDITSTATE
*es
)
271 es
->undo_insert_count
= 0;
272 *es
->undo_text
= '\0';
276 /*********************************************************************
281 static inline void EDIT_WM_Clear(WND
*wnd
, EDITSTATE
*es
)
283 EDIT_EM_ReplaceSel(wnd
, es
, TRUE
, "");
287 /*********************************************************************
292 static inline void EDIT_WM_Cut(WND
*wnd
, EDITSTATE
*es
)
294 EDIT_WM_Copy(wnd
, es
);
295 EDIT_WM_Clear(wnd
, es
);
299 /*********************************************************************
303 * The messages are in the order of the actual integer values
304 * (which can be found in include/windows.h)
305 * Whereever possible the 16 bit versions are converted to
306 * the 32 bit ones, so that we can 'fall through' to the
307 * helper functions. These are mostly 32 bit (with a few
308 * exceptions, clearly indicated by a '16' extension to their
312 LRESULT WINAPI
EditWndProc( HWND hwnd
, UINT msg
,
313 WPARAM wParam
, LPARAM lParam
)
315 WND
*wnd
= WIN_FindWndPtr(hwnd
);
316 EDITSTATE
*es
= *(EDITSTATE
**)((wnd
)->wExtra
);
321 DPRINTF_EDIT_MSG32("WM_DESTROY");
322 EDIT_WM_Destroy(wnd
, es
);
327 DPRINTF_EDIT_MSG32("WM_NCCREATE");
328 result
= EDIT_WM_NCCreate(wnd
, (LPCREATESTRUCTA
)lParam
);
334 result
= DefWindowProcA(hwnd
, msg
, wParam
, lParam
);
339 EDIT_LockBuffer(wnd
, es
);
342 DPRINTF_EDIT_MSG16("EM_GETSEL");
347 DPRINTF_EDIT_MSG32("EM_GETSEL");
348 result
= EDIT_EM_GetSel(wnd
, es
, (LPUINT
)wParam
, (LPUINT
)lParam
);
352 DPRINTF_EDIT_MSG16("EM_SETSEL");
353 if (SLOWORD(lParam
) == -1)
354 EDIT_EM_SetSel(wnd
, es
, -1, 0, FALSE
);
356 EDIT_EM_SetSel(wnd
, es
, LOWORD(lParam
), HIWORD(lParam
), FALSE
);
358 EDIT_EM_ScrollCaret(wnd
, es
);
362 DPRINTF_EDIT_MSG32("EM_SETSEL");
363 EDIT_EM_SetSel(wnd
, es
, wParam
, lParam
, FALSE
);
368 DPRINTF_EDIT_MSG16("EM_GETRECT");
370 CONV_RECT32TO16(&es
->format_rect
, (LPRECT16
)PTR_SEG_TO_LIN(lParam
));
373 DPRINTF_EDIT_MSG32("EM_GETRECT");
375 CopyRect((LPRECT
)lParam
, &es
->format_rect
);
379 DPRINTF_EDIT_MSG16("EM_SETRECT");
380 if ((es
->style
& ES_MULTILINE
) && lParam
) {
382 CONV_RECT16TO32((LPRECT16
)PTR_SEG_TO_LIN(lParam
), &rc
);
383 EDIT_SetRectNP(wnd
, es
, &rc
);
384 InvalidateRect(wnd
->hwndSelf
, NULL
, TRUE
);
388 DPRINTF_EDIT_MSG32("EM_SETRECT");
389 if ((es
->style
& ES_MULTILINE
) && lParam
) {
390 EDIT_SetRectNP(wnd
, es
, (LPRECT
)lParam
);
391 InvalidateRect(wnd
->hwndSelf
, NULL
, TRUE
);
396 DPRINTF_EDIT_MSG16("EM_SETRECTNP");
397 if ((es
->style
& ES_MULTILINE
) && lParam
) {
399 CONV_RECT16TO32((LPRECT16
)PTR_SEG_TO_LIN(lParam
), &rc
);
400 EDIT_SetRectNP(wnd
, es
, &rc
);
404 DPRINTF_EDIT_MSG32("EM_SETRECTNP");
405 if ((es
->style
& ES_MULTILINE
) && lParam
)
406 EDIT_SetRectNP(wnd
, es
, (LPRECT
)lParam
);
410 DPRINTF_EDIT_MSG16("EM_SCROLL");
413 DPRINTF_EDIT_MSG32("EM_SCROLL");
414 result
= EDIT_EM_Scroll(wnd
, es
, (INT
)wParam
);
417 case EM_LINESCROLL16
:
418 DPRINTF_EDIT_MSG16("EM_LINESCROLL");
419 wParam
= (WPARAM
)(INT
)SHIWORD(lParam
);
420 lParam
= (LPARAM
)(INT
)SLOWORD(lParam
);
423 DPRINTF_EDIT_MSG32("EM_LINESCROLL");
424 result
= (LRESULT
)EDIT_EM_LineScroll(wnd
, es
, (INT
)wParam
, (INT
)lParam
);
427 case EM_SCROLLCARET16
:
428 DPRINTF_EDIT_MSG16("EM_SCROLLCARET");
431 DPRINTF_EDIT_MSG32("EM_SCROLLCARET");
432 EDIT_EM_ScrollCaret(wnd
, es
);
437 DPRINTF_EDIT_MSG16("EM_GETMODIFY");
440 DPRINTF_EDIT_MSG32("EM_GETMODIFY");
441 result
= ((es
->flags
& EF_MODIFIED
) != 0);
445 DPRINTF_EDIT_MSG16("EM_SETMODIFY");
448 DPRINTF_EDIT_MSG32("EM_SETMODIFY");
450 es
->flags
|= EF_MODIFIED
;
452 es
->flags
&= ~EF_MODIFIED
;
455 case EM_GETLINECOUNT16
:
456 DPRINTF_EDIT_MSG16("EM_GETLINECOUNT");
458 case EM_GETLINECOUNT
:
459 DPRINTF_EDIT_MSG32("EM_GETLINECOUNT");
460 result
= (es
->style
& ES_MULTILINE
) ? es
->line_count
: 1;
464 DPRINTF_EDIT_MSG16("EM_LINEINDEX");
465 if ((INT16
)wParam
== -1)
469 DPRINTF_EDIT_MSG32("EM_LINEINDEX");
470 result
= (LRESULT
)EDIT_EM_LineIndex(wnd
, es
, (INT
)wParam
);
474 DPRINTF_EDIT_MSG16("EM_SETHANDLE");
475 EDIT_EM_SetHandle16(wnd
, es
, (HLOCAL16
)wParam
);
478 DPRINTF_EDIT_MSG32("EM_SETHANDLE");
479 EDIT_EM_SetHandle(wnd
, es
, (HLOCAL
)wParam
);
483 DPRINTF_EDIT_MSG16("EM_GETHANDLE");
484 result
= (LRESULT
)EDIT_EM_GetHandle16(wnd
, es
);
487 DPRINTF_EDIT_MSG32("EM_GETHANDLE");
488 result
= (LRESULT
)EDIT_EM_GetHandle(wnd
, es
);
492 DPRINTF_EDIT_MSG16("EM_GETTHUMB");
495 DPRINTF_EDIT_MSG32("EM_GETTHUMB");
496 result
= EDIT_EM_GetThumb(wnd
, es
);
499 /* messages 0x00bf and 0x00c0 missing from specs */
502 DPRINTF_EDIT_MSG16("undocumented WM_USER+15, please report");
505 DPRINTF_EDIT_MSG32("undocumented 0x00bf, please report");
506 result
= DefWindowProcA(hwnd
, msg
, wParam
, lParam
);
510 DPRINTF_EDIT_MSG16("undocumented WM_USER+16, please report");
513 DPRINTF_EDIT_MSG32("undocumented 0x00c0, please report");
514 result
= DefWindowProcA(hwnd
, msg
, wParam
, lParam
);
517 case EM_LINELENGTH16
:
518 DPRINTF_EDIT_MSG16("EM_LINELENGTH");
521 DPRINTF_EDIT_MSG32("EM_LINELENGTH");
522 result
= (LRESULT
)EDIT_EM_LineLength(wnd
, es
, (INT
)wParam
);
525 case EM_REPLACESEL16
:
526 DPRINTF_EDIT_MSG16("EM_REPLACESEL");
527 lParam
= (LPARAM
)PTR_SEG_TO_LIN((SEGPTR
)lParam
);
530 DPRINTF_EDIT_MSG32("EM_REPLACESEL");
531 EDIT_EM_ReplaceSel(wnd
, es
, (BOOL
)wParam
, (LPCSTR
)lParam
);
535 /* message 0x00c3 missing from specs */
538 DPRINTF_EDIT_MSG16("undocumented WM_USER+19, please report");
541 DPRINTF_EDIT_MSG32("undocumented 0x00c3, please report");
542 result
= DefWindowProcA(hwnd
, msg
, wParam
, lParam
);
546 DPRINTF_EDIT_MSG16("EM_GETLINE");
547 lParam
= (LPARAM
)PTR_SEG_TO_LIN((SEGPTR
)lParam
);
550 DPRINTF_EDIT_MSG32("EM_GETLINE");
551 result
= (LRESULT
)EDIT_EM_GetLine(wnd
, es
, (INT
)wParam
, (LPSTR
)lParam
);
555 DPRINTF_EDIT_MSG16("EM_LIMITTEXT");
557 case EM_SETLIMITTEXT
:
558 DPRINTF_EDIT_MSG32("EM_SETLIMITTEXT");
559 EDIT_EM_SetLimitText(wnd
, es
, (INT
)wParam
);
563 DPRINTF_EDIT_MSG16("EM_CANUNDO");
566 DPRINTF_EDIT_MSG32("EM_CANUNDO");
567 result
= (LRESULT
)EDIT_EM_CanUndo(wnd
, es
);
571 DPRINTF_EDIT_MSG16("EM_UNDO");
576 DPRINTF_EDIT_MSG32("EM_UNDO / WM_UNDO");
577 result
= (LRESULT
)EDIT_EM_Undo(wnd
, es
);
581 DPRINTF_EDIT_MSG16("EM_FMTLINES");
584 DPRINTF_EDIT_MSG32("EM_FMTLINES");
585 result
= (LRESULT
)EDIT_EM_FmtLines(wnd
, es
, (BOOL
)wParam
);
588 case EM_LINEFROMCHAR16
:
589 DPRINTF_EDIT_MSG16("EM_LINEFROMCHAR");
591 case EM_LINEFROMCHAR
:
592 DPRINTF_EDIT_MSG32("EM_LINEFROMCHAR");
593 result
= (LRESULT
)EDIT_EM_LineFromChar(wnd
, es
, (INT
)wParam
);
596 /* message 0x00ca missing from specs */
599 DPRINTF_EDIT_MSG16("undocumented WM_USER+26, please report");
602 DPRINTF_EDIT_MSG32("undocumented 0x00ca, please report");
603 result
= DefWindowProcA(hwnd
, msg
, wParam
, lParam
);
606 case EM_SETTABSTOPS16
:
607 DPRINTF_EDIT_MSG16("EM_SETTABSTOPS");
608 result
= (LRESULT
)EDIT_EM_SetTabStops16(wnd
, es
, (INT
)wParam
, (LPINT16
)PTR_SEG_TO_LIN((SEGPTR
)lParam
));
611 DPRINTF_EDIT_MSG32("EM_SETTABSTOPS");
612 result
= (LRESULT
)EDIT_EM_SetTabStops(wnd
, es
, (INT
)wParam
, (LPINT
)lParam
);
615 case EM_SETPASSWORDCHAR16
:
616 DPRINTF_EDIT_MSG16("EM_SETPASSWORDCHAR");
618 case EM_SETPASSWORDCHAR
:
619 DPRINTF_EDIT_MSG32("EM_SETPASSWORDCHAR");
620 EDIT_EM_SetPasswordChar(wnd
, es
, (CHAR
)wParam
);
623 case EM_EMPTYUNDOBUFFER16
:
624 DPRINTF_EDIT_MSG16("EM_EMPTYUNDOBUFFER");
626 case EM_EMPTYUNDOBUFFER
:
627 DPRINTF_EDIT_MSG32("EM_EMPTYUNDOBUFFER");
628 EDIT_EM_EmptyUndoBuffer(wnd
, es
);
631 case EM_GETFIRSTVISIBLELINE16
:
632 DPRINTF_EDIT_MSG16("EM_GETFIRSTVISIBLELINE");
633 result
= es
->y_offset
;
635 case EM_GETFIRSTVISIBLELINE
:
636 DPRINTF_EDIT_MSG32("EM_GETFIRSTVISIBLELINE");
637 result
= (es
->style
& ES_MULTILINE
) ? es
->y_offset
: es
->x_offset
;
640 case EM_SETREADONLY16
:
641 DPRINTF_EDIT_MSG16("EM_SETREADONLY");
644 DPRINTF_EDIT_MSG32("EM_SETREADONLY");
646 wnd
->dwStyle
|= ES_READONLY
;
647 es
->style
|= ES_READONLY
;
649 wnd
->dwStyle
&= ~ES_READONLY
;
650 es
->style
&= ~ES_READONLY
;
655 case EM_SETWORDBREAKPROC16
:
656 DPRINTF_EDIT_MSG16("EM_SETWORDBREAKPROC");
657 EDIT_EM_SetWordBreakProc16(wnd
, es
, (EDITWORDBREAKPROC16
)lParam
);
659 case EM_SETWORDBREAKPROC
:
660 DPRINTF_EDIT_MSG32("EM_SETWORDBREAKPROC");
661 EDIT_EM_SetWordBreakProc(wnd
, es
, (EDITWORDBREAKPROCA
)lParam
);
664 case EM_GETWORDBREAKPROC16
:
665 DPRINTF_EDIT_MSG16("EM_GETWORDBREAKPROC");
666 result
= (LRESULT
)es
->word_break_proc16
;
668 case EM_GETWORDBREAKPROC
:
669 DPRINTF_EDIT_MSG32("EM_GETWORDBREAKPROC");
670 result
= (LRESULT
)es
->word_break_proc32A
;
673 case EM_GETPASSWORDCHAR16
:
674 DPRINTF_EDIT_MSG16("EM_GETPASSWORDCHAR");
676 case EM_GETPASSWORDCHAR
:
677 DPRINTF_EDIT_MSG32("EM_GETPASSWORDCHAR");
678 result
= es
->password_char
;
681 /* The following EM_xxx are new to win95 and don't exist for 16 bit */
684 DPRINTF_EDIT_MSG32("EM_SETMARGINS");
685 EDIT_EM_SetMargins(wnd
, es
, (INT
)wParam
, SLOWORD(lParam
), SHIWORD(lParam
));
689 DPRINTF_EDIT_MSG32("EM_GETMARGINS");
690 result
= MAKELONG(es
->left_margin
, es
->right_margin
);
693 case EM_GETLIMITTEXT
:
694 DPRINTF_EDIT_MSG32("EM_GETLIMITTEXT");
695 result
= es
->buffer_limit
;
699 DPRINTF_EDIT_MSG32("EM_POSFROMCHAR");
700 result
= EDIT_EM_PosFromChar(wnd
, es
, (INT
)wParam
, FALSE
);
704 DPRINTF_EDIT_MSG32("EM_CHARFROMPOS");
705 result
= EDIT_EM_CharFromPos(wnd
, es
, SLOWORD(lParam
), SHIWORD(lParam
));
709 DPRINTF_EDIT_MSG32("WM_GETDLGCODE");
710 result
= (es
->style
& ES_MULTILINE
) ?
711 DLGC_WANTALLKEYS
| DLGC_HASSETSEL
| DLGC_WANTCHARS
| DLGC_WANTARROWS
:
712 DLGC_HASSETSEL
| DLGC_WANTCHARS
| DLGC_WANTARROWS
;
716 DPRINTF_EDIT_MSG32("WM_CHAR");
717 EDIT_WM_Char(wnd
, es
, (CHAR
)wParam
, (DWORD
)lParam
);
721 DPRINTF_EDIT_MSG32("WM_CLEAR");
722 EDIT_WM_Clear(wnd
, es
);
726 DPRINTF_EDIT_MSG32("WM_COMMAND");
727 EDIT_WM_Command(wnd
, es
, HIWORD(wParam
), LOWORD(wParam
), (HWND
)lParam
);
731 DPRINTF_EDIT_MSG32("WM_CONTEXTMENU");
732 EDIT_WM_ContextMenu(wnd
, es
, (HWND
)wParam
, SLOWORD(lParam
), SHIWORD(lParam
));
736 DPRINTF_EDIT_MSG32("WM_COPY");
737 EDIT_WM_Copy(wnd
, es
);
741 DPRINTF_EDIT_MSG32("WM_CREATE");
742 result
= EDIT_WM_Create(wnd
, es
, (LPCREATESTRUCTA
)lParam
);
746 DPRINTF_EDIT_MSG32("WM_CUT");
747 EDIT_WM_Cut(wnd
, es
);
751 DPRINTF_EDIT_MSG32("WM_ENABLE");
752 InvalidateRect(hwnd
, NULL
, TRUE
);
756 DPRINTF_EDIT_MSG32("WM_ERASEBKGND");
757 result
= EDIT_WM_EraseBkGnd(wnd
, es
, (HDC
)wParam
);
761 DPRINTF_EDIT_MSG32("WM_GETFONT");
762 result
= (LRESULT
)es
->font
;
766 DPRINTF_EDIT_MSG32("WM_GETTEXT");
767 result
= (LRESULT
)EDIT_WM_GetText(wnd
, es
, (INT
)wParam
, (LPSTR
)lParam
);
770 case WM_GETTEXTLENGTH
:
771 DPRINTF_EDIT_MSG32("WM_GETTEXTLENGTH");
772 result
= lstrlenA(es
->text
);
776 DPRINTF_EDIT_MSG32("WM_HSCROLL");
777 result
= EDIT_WM_HScroll(wnd
, es
, LOWORD(wParam
), SHIWORD(wParam
), (HWND
)lParam
);
781 DPRINTF_EDIT_MSG32("WM_KEYDOWN");
782 result
= EDIT_WM_KeyDown(wnd
, es
, (INT
)wParam
, (DWORD
)lParam
);
786 DPRINTF_EDIT_MSG32("WM_KILLFOCUS");
787 result
= EDIT_WM_KillFocus(wnd
, es
, (HWND
)wParam
);
790 case WM_LBUTTONDBLCLK
:
791 DPRINTF_EDIT_MSG32("WM_LBUTTONDBLCLK");
792 result
= EDIT_WM_LButtonDblClk(wnd
, es
, (DWORD
)wParam
, SLOWORD(lParam
), SHIWORD(lParam
));
796 DPRINTF_EDIT_MSG32("WM_LBUTTONDOWN");
797 result
= EDIT_WM_LButtonDown(wnd
, es
, (DWORD
)wParam
, SLOWORD(lParam
), SHIWORD(lParam
));
801 DPRINTF_EDIT_MSG32("WM_LBUTTONUP");
802 result
= EDIT_WM_LButtonUp(wnd
, es
, (DWORD
)wParam
, SLOWORD(lParam
), SHIWORD(lParam
));
805 case WM_MOUSEACTIVATE
:
807 * FIXME: maybe DefWindowProc() screws up, but it seems that
808 * modalless dialog boxes need this. If we don't do this, the focus
809 * will _not_ be set by DefWindowProc() for edit controls in a
810 * modalless dialog box ???
812 DPRINTF_EDIT_MSG32("WM_MOUSEACTIVATE");
813 SetFocus(wnd
->hwndSelf
);
814 result
= MA_ACTIVATE
;
819 * DPRINTF_EDIT_MSG32("WM_MOUSEMOVE");
821 result
= EDIT_WM_MouseMove(wnd
, es
, (DWORD
)wParam
, SLOWORD(lParam
), SHIWORD(lParam
));
825 DPRINTF_EDIT_MSG32("WM_PAINT");
826 EDIT_WM_Paint(wnd
, es
);
830 DPRINTF_EDIT_MSG32("WM_PASTE");
831 EDIT_WM_Paste(wnd
, es
);
835 DPRINTF_EDIT_MSG32("WM_SETFOCUS");
836 EDIT_WM_SetFocus(wnd
, es
, (HWND
)wParam
);
840 DPRINTF_EDIT_MSG32("WM_SETFONT");
841 EDIT_WM_SetFont(wnd
, es
, (HFONT
)wParam
, LOWORD(lParam
) != 0);
845 DPRINTF_EDIT_MSG32("WM_SETTEXT");
846 EDIT_WM_SetText(wnd
, es
, (LPCSTR
)lParam
);
851 DPRINTF_EDIT_MSG32("WM_SIZE");
852 EDIT_WM_Size(wnd
, es
, (UINT
)wParam
, LOWORD(lParam
), HIWORD(lParam
));
856 DPRINTF_EDIT_MSG32("WM_SYSKEYDOWN");
857 result
= EDIT_WM_SysKeyDown(wnd
, es
, (INT
)wParam
, (DWORD
)lParam
);
861 DPRINTF_EDIT_MSG32("WM_TIMER");
862 EDIT_WM_Timer(wnd
, es
, (INT
)wParam
, (TIMERPROC
)lParam
);
866 DPRINTF_EDIT_MSG32("WM_VSCROLL");
867 result
= EDIT_WM_VScroll(wnd
, es
, LOWORD(wParam
), SHIWORD(wParam
), (HWND
)(lParam
));
871 result
= DefWindowProcA(hwnd
, msg
, wParam
, lParam
);
874 EDIT_UnlockBuffer(wnd
, es
, FALSE
);
876 WIN_ReleaseWndPtr(wnd
);
882 /*********************************************************************
884 * EDIT_BuildLineDefs_ML
886 * Build linked list of text lines.
887 * Lines can end with '\0' (last line), a character (if it is wrapped),
888 * a soft return '\r\r\n' or a hard return '\r\n'
891 static void EDIT_BuildLineDefs_ML(WND
*wnd
, EDITSTATE
*es
)
897 LINEDEF
*current_def
;
898 LINEDEF
**previous_next
;
900 current_def
= es
->first_line_def
;
902 LINEDEF
*next_def
= current_def
->next
;
903 HeapFree(es
->heap
, 0, current_def
);
904 current_def
= next_def
;
905 } while (current_def
);
909 dc
= GetDC(wnd
->hwndSelf
);
911 old_font
= SelectObject(dc
, es
->font
);
913 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
915 previous_next
= &es
->first_line_def
;
917 current_def
= HeapAlloc(es
->heap
, 0, sizeof(LINEDEF
));
918 current_def
->next
= NULL
;
921 if ((*cp
== '\r') && (*(cp
+ 1) == '\n'))
926 current_def
->ending
= END_0
;
927 current_def
->net_length
= lstrlenA(start
);
928 } else if ((cp
> start
) && (*(cp
- 1) == '\r')) {
929 current_def
->ending
= END_SOFT
;
930 current_def
->net_length
= cp
- start
- 1;
932 current_def
->ending
= END_HARD
;
933 current_def
->net_length
= cp
- start
;
935 current_def
->width
= (INT
)LOWORD(GetTabbedTextExtentA(dc
,
936 start
, current_def
->net_length
,
937 es
->tabs_count
, es
->tabs
));
938 /* FIXME: check here for lines that are too wide even in AUTOHSCROLL (> 32767 ???) */
939 if ((!(es
->style
& ES_AUTOHSCROLL
)) && (current_def
->width
> fw
)) {
944 next
= EDIT_CallWordBreakProc(wnd
, es
, start
- es
->text
,
945 prev
+ 1, current_def
->net_length
, WB_RIGHT
);
946 current_def
->width
= (INT
)LOWORD(GetTabbedTextExtentA(dc
,
947 start
, next
, es
->tabs_count
, es
->tabs
));
948 } while (current_def
->width
<= fw
);
954 current_def
->width
= (INT
)LOWORD(GetTabbedTextExtentA(dc
,
955 start
, next
, es
->tabs_count
, es
->tabs
));
956 } while (current_def
->width
<= fw
);
960 current_def
->net_length
= prev
;
961 current_def
->ending
= END_WRAP
;
962 current_def
->width
= (INT
)LOWORD(GetTabbedTextExtentA(dc
, start
,
963 current_def
->net_length
, es
->tabs_count
, es
->tabs
));
965 switch (current_def
->ending
) {
967 current_def
->length
= current_def
->net_length
+ 3;
970 current_def
->length
= current_def
->net_length
+ 2;
974 current_def
->length
= current_def
->net_length
;
977 es
->text_width
= MAX(es
->text_width
, current_def
->width
);
978 start
+= current_def
->length
;
979 *previous_next
= current_def
;
980 previous_next
= ¤t_def
->next
;
982 } while (current_def
->ending
!= END_0
);
984 SelectObject(dc
, old_font
);
985 ReleaseDC(wnd
->hwndSelf
, dc
);
989 /*********************************************************************
991 * EDIT_CallWordBreakProc
993 * Call appropriate WordBreakProc (internal or external).
995 * Note: The "start" argument should always be an index refering
996 * to es->text. The actual wordbreak proc might be
997 * 16 bit, so we can't always pass any 32 bit LPSTR.
998 * Hence we assume that es->text is the buffer that holds
999 * the string under examination (we can decide this for ourselves).
1002 static INT
EDIT_CallWordBreakProc(WND
*wnd
, EDITSTATE
*es
, INT start
, INT index
, INT count
, INT action
)
1004 if (es
->word_break_proc16
) {
1005 HLOCAL16 hloc16
= EDIT_EM_GetHandle16(wnd
, es
);
1006 SEGPTR segptr
= LocalLock16(hloc16
);
1007 INT ret
= (INT
)Callbacks
->CallWordBreakProc(es
->word_break_proc16
,
1008 segptr
+ start
, index
, count
, action
);
1009 LocalUnlock16(hloc16
);
1012 else if (es
->word_break_proc32A
)
1014 TRACE_(relay
)("(wordbrk=%p,str='%s',idx=%d,cnt=%d,act=%d)\n",
1015 es
->word_break_proc32A
, es
->text
+ start
, index
,
1017 return (INT
)es
->word_break_proc32A( es
->text
+ start
, index
,
1021 return EDIT_WordBreakProc(es
->text
+ start
, index
, count
, action
);
1025 /*********************************************************************
1029 * Beware: This is not the function called on EM_CHARFROMPOS
1030 * The position _can_ be outside the formatting / client
1032 * The return value is only the character index
1035 static INT
EDIT_CharFromPos(WND
*wnd
, EDITSTATE
*es
, INT x
, INT y
, LPBOOL after_wrap
)
1041 if (es
->style
& ES_MULTILINE
) {
1042 INT line
= (y
- es
->format_rect
.top
) / es
->line_height
+ es
->y_offset
;
1044 LINEDEF
*line_def
= es
->first_line_def
;
1046 while ((line
> 0) && line_def
->next
) {
1047 line_index
+= line_def
->length
;
1048 line_def
= line_def
->next
;
1051 x
+= es
->x_offset
- es
->format_rect
.left
;
1052 if (x
>= line_def
->width
) {
1054 *after_wrap
= (line_def
->ending
== END_WRAP
);
1055 return line_index
+ line_def
->net_length
;
1059 *after_wrap
= FALSE
;
1062 dc
= GetDC(wnd
->hwndSelf
);
1064 old_font
= SelectObject(dc
, es
->font
);
1065 low
= line_index
+ 1;
1066 high
= line_index
+ line_def
->net_length
+ 1;
1067 while (low
< high
- 1)
1069 INT mid
= (low
+ high
) / 2;
1070 if (LOWORD(GetTabbedTextExtentA(dc
, es
->text
+ line_index
,mid
- line_index
, es
->tabs_count
, es
->tabs
)) > x
) high
= mid
;
1076 *after_wrap
= ((index
== line_index
+ line_def
->net_length
) &&
1077 (line_def
->ending
== END_WRAP
));
1082 *after_wrap
= FALSE
;
1083 x
-= es
->format_rect
.left
;
1085 return es
->x_offset
;
1086 text
= EDIT_GetPasswordPointer_SL(wnd
, es
);
1087 dc
= GetDC(wnd
->hwndSelf
);
1089 old_font
= SelectObject(dc
, es
->font
);
1093 INT high
= es
->x_offset
;
1094 while (low
< high
- 1)
1096 INT mid
= (low
+ high
) / 2;
1097 GetTextExtentPoint32A( dc
, text
+ mid
,
1098 es
->x_offset
- mid
, &size
);
1099 if (size
.cx
> -x
) low
= mid
;
1106 INT low
= es
->x_offset
;
1107 INT high
= lstrlenA(es
->text
) + 1;
1108 while (low
< high
- 1)
1110 INT mid
= (low
+ high
) / 2;
1111 GetTextExtentPoint32A( dc
, text
+ es
->x_offset
,
1112 mid
- es
->x_offset
, &size
);
1113 if (size
.cx
> x
) high
= mid
;
1118 if (es
->style
& ES_PASSWORD
)
1119 HeapFree(es
->heap
, 0 ,text
);
1122 SelectObject(dc
, old_font
);
1123 ReleaseDC(wnd
->hwndSelf
, dc
);
1128 /*********************************************************************
1132 * adjusts the point to be within the formatting rectangle
1133 * (so CharFromPos returns the nearest _visible_ character)
1136 static void EDIT_ConfinePoint(WND
*wnd
, EDITSTATE
*es
, LPINT x
, LPINT y
)
1138 *x
= MIN(MAX(*x
, es
->format_rect
.left
), es
->format_rect
.right
- 1);
1139 *y
= MIN(MAX(*y
, es
->format_rect
.top
), es
->format_rect
.bottom
- 1);
1143 /*********************************************************************
1147 * Calculates the bounding rectangle for a line from a starting
1148 * column to an ending column.
1151 static void EDIT_GetLineRect(WND
*wnd
, EDITSTATE
*es
, INT line
, INT scol
, INT ecol
, LPRECT rc
)
1153 INT line_index
= EDIT_EM_LineIndex(wnd
, es
, line
);
1155 if (es
->style
& ES_MULTILINE
)
1156 rc
->top
= es
->format_rect
.top
+ (line
- es
->y_offset
) * es
->line_height
;
1158 rc
->top
= es
->format_rect
.top
;
1159 rc
->bottom
= rc
->top
+ es
->line_height
;
1160 rc
->left
= (scol
== 0) ? es
->format_rect
.left
: SLOWORD(EDIT_EM_PosFromChar(wnd
, es
, line_index
+ scol
, TRUE
));
1161 rc
->right
= (ecol
== -1) ? es
->format_rect
.right
: SLOWORD(EDIT_EM_PosFromChar(wnd
, es
, line_index
+ ecol
, TRUE
));
1165 /*********************************************************************
1167 * EDIT_GetPasswordPointer_SL
1169 * note: caller should free the (optionally) allocated buffer
1172 static LPSTR
EDIT_GetPasswordPointer_SL(WND
*wnd
, EDITSTATE
*es
)
1174 if (es
->style
& ES_PASSWORD
) {
1175 INT len
= lstrlenA(es
->text
);
1176 LPSTR text
= HeapAlloc(es
->heap
, 0, len
+ 1);
1177 RtlFillMemory(text
, len
, es
->password_char
);
1185 /*********************************************************************
1189 * This acts as a LOCAL_Lock(), but it locks only once. This way
1190 * you can call it whenever you like, without unlocking.
1193 static void EDIT_LockBuffer(WND
*wnd
, EDITSTATE
*es
)
1196 ERR_(edit
)("no EDITSTATE ... please report\n");
1199 if (!(es
->style
& ES_MULTILINE
))
1203 es
->text
= LocalLock(es
->hloc32
);
1204 else if (es
->hloc16
)
1205 es
->text
= LOCAL_Lock(wnd
->hInstance
, es
->hloc16
);
1207 ERR_(edit
)("no buffer ... please report\n");
1215 /*********************************************************************
1217 * EDIT_SL_InvalidateText
1219 * Called from EDIT_InvalidateText().
1220 * Does the job for single-line controls only.
1223 static void EDIT_SL_InvalidateText(WND
*wnd
, EDITSTATE
*es
, INT start
, INT end
)
1228 EDIT_GetLineRect(wnd
, es
, 0, start
, end
, &line_rect
);
1229 if (IntersectRect(&rc
, &line_rect
, &es
->format_rect
))
1230 InvalidateRect(wnd
->hwndSelf
, &rc
, FALSE
);
1234 /*********************************************************************
1236 * EDIT_ML_InvalidateText
1238 * Called from EDIT_InvalidateText().
1239 * Does the job for multi-line controls only.
1242 static void EDIT_ML_InvalidateText(WND
*wnd
, EDITSTATE
*es
, INT start
, INT end
)
1244 INT vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
1245 INT sl
= EDIT_EM_LineFromChar(wnd
, es
, start
);
1246 INT el
= EDIT_EM_LineFromChar(wnd
, es
, end
);
1255 if ((el
< es
->y_offset
) || (sl
> es
->y_offset
+ vlc
))
1258 sc
= start
- EDIT_EM_LineIndex(wnd
, es
, sl
);
1259 ec
= end
- EDIT_EM_LineIndex(wnd
, es
, el
);
1260 if (sl
< es
->y_offset
) {
1264 if (el
> es
->y_offset
+ vlc
) {
1265 el
= es
->y_offset
+ vlc
;
1266 ec
= EDIT_EM_LineLength(wnd
, es
, EDIT_EM_LineIndex(wnd
, es
, el
));
1268 GetClientRect(wnd
->hwndSelf
, &rc1
);
1269 IntersectRect(&rcWnd
, &rc1
, &es
->format_rect
);
1271 EDIT_GetLineRect(wnd
, es
, sl
, sc
, ec
, &rcLine
);
1272 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1273 InvalidateRect(wnd
->hwndSelf
, &rcUpdate
, FALSE
);
1275 EDIT_GetLineRect(wnd
, es
, sl
, sc
,
1276 EDIT_EM_LineLength(wnd
, es
,
1277 EDIT_EM_LineIndex(wnd
, es
, sl
)),
1279 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1280 InvalidateRect(wnd
->hwndSelf
, &rcUpdate
, FALSE
);
1281 for (l
= sl
+ 1 ; l
< el
; l
++) {
1282 EDIT_GetLineRect(wnd
, es
, l
, 0,
1283 EDIT_EM_LineLength(wnd
, es
,
1284 EDIT_EM_LineIndex(wnd
, es
, l
)),
1286 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1287 InvalidateRect(wnd
->hwndSelf
, &rcUpdate
, FALSE
);
1289 EDIT_GetLineRect(wnd
, es
, el
, 0, ec
, &rcLine
);
1290 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1291 InvalidateRect(wnd
->hwndSelf
, &rcUpdate
, FALSE
);
1296 /*********************************************************************
1298 * EDIT_InvalidateText
1300 * Invalidate the text from offset start upto, but not including,
1301 * offset end. Useful for (re)painting the selection.
1302 * Regions outside the linewidth are not invalidated.
1303 * end == -1 means end == TextLength.
1304 * start and end need not be ordered.
1307 static void EDIT_InvalidateText(WND
*wnd
, EDITSTATE
*es
, INT start
, INT end
)
1313 end
= lstrlenA(es
->text
);
1315 ORDER_INT(start
, end
);
1317 if (es
->style
& ES_MULTILINE
)
1318 EDIT_ML_InvalidateText(wnd
, es
, start
, end
);
1320 EDIT_SL_InvalidateText(wnd
, es
, start
, end
);
1324 /*********************************************************************
1328 * Try to fit size + 1 bytes in the buffer. Constrain to limits.
1331 static BOOL
EDIT_MakeFit(WND
*wnd
, EDITSTATE
*es
, INT size
)
1336 if (size
<= es
->buffer_size
)
1338 if (size
> es
->buffer_limit
) {
1339 EDIT_NOTIFY_PARENT(wnd
, EN_MAXTEXT
, "EN_MAXTEXT");
1342 size
= ((size
/ GROWLENGTH
) + 1) * GROWLENGTH
;
1343 if (size
> es
->buffer_limit
)
1344 size
= es
->buffer_limit
;
1346 TRACE_(edit
)("trying to ReAlloc to %d+1\n", size
);
1348 EDIT_UnlockBuffer(wnd
, es
, TRUE
);
1350 if ((es
->text
= HeapReAlloc(es
->heap
, 0, es
->text
, size
+ 1)))
1351 es
->buffer_size
= MIN(HeapSize(es
->heap
, 0, es
->text
) - 1, es
->buffer_limit
);
1353 es
->buffer_size
= 0;
1354 } else if (es
->hloc32
) {
1355 if ((hNew32
= LocalReAlloc(es
->hloc32
, size
+ 1, 0))) {
1356 TRACE_(edit
)("Old 32 bit handle %08x, new handle %08x\n", es
->hloc32
, hNew32
);
1357 es
->hloc32
= hNew32
;
1358 es
->buffer_size
= MIN(LocalSize(es
->hloc32
) - 1, es
->buffer_limit
);
1360 } else if (es
->hloc16
) {
1361 if ((hNew16
= LOCAL_ReAlloc(wnd
->hInstance
, es
->hloc16
, size
+ 1, LMEM_MOVEABLE
))) {
1362 TRACE_(edit
)("Old 16 bit handle %08x, new handle %08x\n", es
->hloc16
, hNew16
);
1363 es
->hloc16
= hNew16
;
1364 es
->buffer_size
= MIN(LOCAL_Size(wnd
->hInstance
, es
->hloc16
) - 1, es
->buffer_limit
);
1367 if (es
->buffer_size
< size
) {
1368 EDIT_LockBuffer(wnd
, es
);
1369 WARN_(edit
)("FAILED ! We now have %d+1\n", es
->buffer_size
);
1370 EDIT_NOTIFY_PARENT(wnd
, EN_ERRSPACE
, "EN_ERRSPACE");
1373 EDIT_LockBuffer(wnd
, es
);
1374 TRACE_(edit
)("We now have %d+1\n", es
->buffer_size
);
1380 /*********************************************************************
1384 * Try to fit size + 1 bytes in the undo buffer.
1387 static BOOL
EDIT_MakeUndoFit(WND
*wnd
, EDITSTATE
*es
, INT size
)
1389 if (size
<= es
->undo_buffer_size
)
1391 size
= ((size
/ GROWLENGTH
) + 1) * GROWLENGTH
;
1393 TRACE_(edit
)("trying to ReAlloc to %d+1\n", size
);
1395 if ((es
->undo_text
= HeapReAlloc(es
->heap
, 0, es
->undo_text
, size
+ 1))) {
1396 es
->undo_buffer_size
= HeapSize(es
->heap
, 0, es
->undo_text
) - 1;
1397 if (es
->undo_buffer_size
< size
) {
1398 WARN_(edit
)("FAILED ! We now have %d+1\n", es
->undo_buffer_size
);
1407 /*********************************************************************
1412 static void EDIT_MoveBackward(WND
*wnd
, EDITSTATE
*es
, BOOL extend
)
1414 INT e
= es
->selection_end
;
1418 if ((es
->style
& ES_MULTILINE
) && e
&&
1419 (es
->text
[e
- 1] == '\r') && (es
->text
[e
] == '\n')) {
1421 if (e
&& (es
->text
[e
- 1] == '\r'))
1425 EDIT_EM_SetSel(wnd
, es
, extend
? es
->selection_start
: e
, e
, FALSE
);
1426 EDIT_EM_ScrollCaret(wnd
, es
);
1430 /*********************************************************************
1434 * Only for multi line controls
1435 * Move the caret one line down, on a column with the nearest
1436 * x coordinate on the screen (might be a different column).
1439 static void EDIT_MoveDown_ML(WND
*wnd
, EDITSTATE
*es
, BOOL extend
)
1441 INT s
= es
->selection_start
;
1442 INT e
= es
->selection_end
;
1443 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
1444 LRESULT pos
= EDIT_EM_PosFromChar(wnd
, es
, e
, after_wrap
);
1445 INT x
= SLOWORD(pos
);
1446 INT y
= SHIWORD(pos
);
1448 e
= EDIT_CharFromPos(wnd
, es
, x
, y
+ es
->line_height
, &after_wrap
);
1451 EDIT_EM_SetSel(wnd
, es
, s
, e
, after_wrap
);
1452 EDIT_EM_ScrollCaret(wnd
, es
);
1456 /*********************************************************************
1461 static void EDIT_MoveEnd(WND
*wnd
, EDITSTATE
*es
, BOOL extend
)
1463 BOOL after_wrap
= FALSE
;
1466 if (es
->style
& ES_MULTILINE
)
1467 e
= EDIT_CharFromPos(wnd
, es
, 0x7fffffff,
1468 HIWORD(EDIT_EM_PosFromChar(wnd
, es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
)), &after_wrap
);
1470 e
= lstrlenA(es
->text
);
1471 EDIT_EM_SetSel(wnd
, es
, extend
? es
->selection_start
: e
, e
, after_wrap
);
1472 EDIT_EM_ScrollCaret(wnd
, es
);
1476 /*********************************************************************
1481 static void EDIT_MoveForward(WND
*wnd
, EDITSTATE
*es
, BOOL extend
)
1483 INT e
= es
->selection_end
;
1487 if ((es
->style
& ES_MULTILINE
) && (es
->text
[e
- 1] == '\r')) {
1488 if (es
->text
[e
] == '\n')
1490 else if ((es
->text
[e
] == '\r') && (es
->text
[e
+ 1] == '\n'))
1494 EDIT_EM_SetSel(wnd
, es
, extend
? es
->selection_start
: e
, e
, FALSE
);
1495 EDIT_EM_ScrollCaret(wnd
, es
);
1499 /*********************************************************************
1503 * Home key: move to beginning of line.
1506 static void EDIT_MoveHome(WND
*wnd
, EDITSTATE
*es
, BOOL extend
)
1510 if (es
->style
& ES_MULTILINE
)
1511 e
= EDIT_CharFromPos(wnd
, es
, 0x80000000,
1512 HIWORD(EDIT_EM_PosFromChar(wnd
, es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
)), NULL
);
1515 EDIT_EM_SetSel(wnd
, es
, e
, extend
? es
->selection_start
: e
, FALSE
);
1516 EDIT_EM_ScrollCaret(wnd
, es
);
1520 /*********************************************************************
1522 * EDIT_MovePageDown_ML
1524 * Only for multi line controls
1525 * Move the caret one page down, on a column with the nearest
1526 * x coordinate on the screen (might be a different column).
1529 static void EDIT_MovePageDown_ML(WND
*wnd
, EDITSTATE
*es
, BOOL extend
)
1531 INT s
= es
->selection_start
;
1532 INT e
= es
->selection_end
;
1533 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
1534 LRESULT pos
= EDIT_EM_PosFromChar(wnd
, es
, e
, after_wrap
);
1535 INT x
= SLOWORD(pos
);
1536 INT y
= SHIWORD(pos
);
1538 e
= EDIT_CharFromPos(wnd
, es
, x
,
1539 y
+ (es
->format_rect
.bottom
- es
->format_rect
.top
),
1543 EDIT_EM_SetSel(wnd
, es
, s
, e
, after_wrap
);
1544 EDIT_EM_ScrollCaret(wnd
, es
);
1548 /*********************************************************************
1550 * EDIT_MovePageUp_ML
1552 * Only for multi line controls
1553 * Move the caret one page up, on a column with the nearest
1554 * x coordinate on the screen (might be a different column).
1557 static void EDIT_MovePageUp_ML(WND
*wnd
, EDITSTATE
*es
, BOOL extend
)
1559 INT s
= es
->selection_start
;
1560 INT e
= es
->selection_end
;
1561 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
1562 LRESULT pos
= EDIT_EM_PosFromChar(wnd
, es
, e
, after_wrap
);
1563 INT x
= SLOWORD(pos
);
1564 INT y
= SHIWORD(pos
);
1566 e
= EDIT_CharFromPos(wnd
, es
, x
,
1567 y
- (es
->format_rect
.bottom
- es
->format_rect
.top
),
1571 EDIT_EM_SetSel(wnd
, es
, s
, e
, after_wrap
);
1572 EDIT_EM_ScrollCaret(wnd
, es
);
1576 /*********************************************************************
1580 * Only for multi line controls
1581 * Move the caret one line up, on a column with the nearest
1582 * x coordinate on the screen (might be a different column).
1585 static void EDIT_MoveUp_ML(WND
*wnd
, EDITSTATE
*es
, BOOL extend
)
1587 INT s
= es
->selection_start
;
1588 INT e
= es
->selection_end
;
1589 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
1590 LRESULT pos
= EDIT_EM_PosFromChar(wnd
, es
, e
, after_wrap
);
1591 INT x
= SLOWORD(pos
);
1592 INT y
= SHIWORD(pos
);
1594 e
= EDIT_CharFromPos(wnd
, es
, x
, y
- es
->line_height
, &after_wrap
);
1597 EDIT_EM_SetSel(wnd
, es
, s
, e
, after_wrap
);
1598 EDIT_EM_ScrollCaret(wnd
, es
);
1602 /*********************************************************************
1604 * EDIT_MoveWordBackward
1607 static void EDIT_MoveWordBackward(WND
*wnd
, EDITSTATE
*es
, BOOL extend
)
1609 INT s
= es
->selection_start
;
1610 INT e
= es
->selection_end
;
1615 l
= EDIT_EM_LineFromChar(wnd
, es
, e
);
1616 ll
= EDIT_EM_LineLength(wnd
, es
, e
);
1617 li
= EDIT_EM_LineIndex(wnd
, es
, l
);
1620 li
= EDIT_EM_LineIndex(wnd
, es
, l
- 1);
1621 e
= li
+ EDIT_EM_LineLength(wnd
, es
, li
);
1624 e
= li
+ (INT
)EDIT_CallWordBreakProc(wnd
, es
,
1625 li
, e
- li
, ll
, WB_LEFT
);
1629 EDIT_EM_SetSel(wnd
, es
, s
, e
, FALSE
);
1630 EDIT_EM_ScrollCaret(wnd
, es
);
1634 /*********************************************************************
1636 * EDIT_MoveWordForward
1639 static void EDIT_MoveWordForward(WND
*wnd
, EDITSTATE
*es
, BOOL extend
)
1641 INT s
= es
->selection_start
;
1642 INT e
= es
->selection_end
;
1647 l
= EDIT_EM_LineFromChar(wnd
, es
, e
);
1648 ll
= EDIT_EM_LineLength(wnd
, es
, e
);
1649 li
= EDIT_EM_LineIndex(wnd
, es
, l
);
1651 if ((es
->style
& ES_MULTILINE
) && (l
!= es
->line_count
- 1))
1652 e
= EDIT_EM_LineIndex(wnd
, es
, l
+ 1);
1654 e
= li
+ EDIT_CallWordBreakProc(wnd
, es
,
1655 li
, e
- li
+ 1, ll
, WB_RIGHT
);
1659 EDIT_EM_SetSel(wnd
, es
, s
, e
, FALSE
);
1660 EDIT_EM_ScrollCaret(wnd
, es
);
1664 /*********************************************************************
1669 static void EDIT_PaintLine(WND
*wnd
, EDITSTATE
*es
, HDC dc
, INT line
, BOOL rev
)
1671 INT s
= es
->selection_start
;
1672 INT e
= es
->selection_end
;
1679 if (es
->style
& ES_MULTILINE
) {
1680 INT vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
1681 if ((line
< es
->y_offset
) || (line
> es
->y_offset
+ vlc
) || (line
>= es
->line_count
))
1686 TRACE_(edit
)("line=%d\n", line
);
1688 pos
= EDIT_EM_PosFromChar(wnd
, es
, EDIT_EM_LineIndex(wnd
, es
, line
), FALSE
);
1691 li
= EDIT_EM_LineIndex(wnd
, es
, line
);
1692 ll
= EDIT_EM_LineLength(wnd
, es
, li
);
1693 s
= es
->selection_start
;
1694 e
= es
->selection_end
;
1696 s
= MIN(li
+ ll
, MAX(li
, s
));
1697 e
= MIN(li
+ ll
, MAX(li
, e
));
1698 if (rev
&& (s
!= e
) &&
1699 ((es
->flags
& EF_FOCUSED
) || (es
->style
& ES_NOHIDESEL
))) {
1700 x
+= EDIT_PaintText(wnd
, es
, dc
, x
, y
, line
, 0, s
- li
, FALSE
);
1701 x
+= EDIT_PaintText(wnd
, es
, dc
, x
, y
, line
, s
- li
, e
- s
, TRUE
);
1702 x
+= EDIT_PaintText(wnd
, es
, dc
, x
, y
, line
, e
- li
, li
+ ll
- e
, FALSE
);
1704 x
+= EDIT_PaintText(wnd
, es
, dc
, x
, y
, line
, 0, ll
, FALSE
);
1708 /*********************************************************************
1713 static INT
EDIT_PaintText(WND
*wnd
, EDITSTATE
*es
, HDC dc
, INT x
, INT y
, INT line
, INT col
, INT count
, BOOL rev
)
1723 BkColor
= GetBkColor(dc
);
1724 TextColor
= GetTextColor(dc
);
1726 SetBkColor(dc
, GetSysColor(COLOR_HIGHLIGHT
));
1727 SetTextColor(dc
, GetSysColor(COLOR_HIGHLIGHTTEXT
));
1729 li
= EDIT_EM_LineIndex(wnd
, es
, line
);
1730 if (es
->style
& ES_MULTILINE
) {
1731 ret
= (INT
)LOWORD(TabbedTextOutA(dc
, x
, y
, es
->text
+ li
+ col
, count
,
1732 es
->tabs_count
, es
->tabs
, es
->format_rect
.left
- es
->x_offset
));
1734 LPSTR text
= EDIT_GetPasswordPointer_SL(wnd
, es
);
1735 TextOutA(dc
, x
, y
, text
+ li
+ col
, count
);
1736 GetTextExtentPoint32A(dc
, text
+ li
+ col
, count
, &size
);
1738 if (es
->style
& ES_PASSWORD
)
1739 HeapFree(es
->heap
, 0, text
);
1742 SetBkColor(dc
, BkColor
);
1743 SetTextColor(dc
, TextColor
);
1749 /*********************************************************************
1754 static void EDIT_SetCaretPos(WND
*wnd
, EDITSTATE
*es
, INT pos
,
1757 LRESULT res
= EDIT_EM_PosFromChar(wnd
, es
, pos
, after_wrap
);
1758 INT x
= SLOWORD(res
);
1759 INT y
= SHIWORD(res
);
1761 if(x
< es
->format_rect
.left
)
1762 x
= es
->format_rect
.left
;
1763 if(x
> es
->format_rect
.right
- 2)
1764 x
= es
->format_rect
.right
- 2;
1765 if(y
> es
->format_rect
.bottom
)
1766 y
= es
->format_rect
.bottom
;
1767 if(y
< es
->format_rect
.top
)
1768 y
= es
->format_rect
.top
;
1774 /*********************************************************************
1778 * note: this is not (exactly) the handler called on EM_SETRECTNP
1779 * it is also used to set the rect of a single line control
1782 static void EDIT_SetRectNP(WND
*wnd
, EDITSTATE
*es
, LPRECT rc
)
1784 CopyRect(&es
->format_rect
, rc
);
1785 if (es
->style
& WS_BORDER
) {
1786 INT bw
= GetSystemMetrics(SM_CXBORDER
) + 1;
1787 if(TWEAK_WineLook
== WIN31_LOOK
)
1789 es
->format_rect
.left
+= bw
;
1790 es
->format_rect
.top
+= bw
;
1791 es
->format_rect
.right
-= bw
;
1792 es
->format_rect
.bottom
-= bw
;
1794 es
->format_rect
.left
+= es
->left_margin
;
1795 es
->format_rect
.right
-= es
->right_margin
;
1796 es
->format_rect
.right
= MAX(es
->format_rect
.right
, es
->format_rect
.left
+ es
->char_width
);
1797 if (es
->style
& ES_MULTILINE
)
1798 es
->format_rect
.bottom
= es
->format_rect
.top
+
1799 MAX(1, (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
) * es
->line_height
;
1801 es
->format_rect
.bottom
= es
->format_rect
.top
+ es
->line_height
;
1802 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_AUTOHSCROLL
))
1803 EDIT_BuildLineDefs_ML(wnd
, es
);
1807 /*********************************************************************
1812 static void EDIT_UnlockBuffer(WND
*wnd
, EDITSTATE
*es
, BOOL force
)
1815 ERR_(edit
)("no EDITSTATE ... please report\n");
1818 if (!(es
->style
& ES_MULTILINE
))
1820 if (!es
->lock_count
) {
1821 ERR_(edit
)("lock_count == 0 ... please report\n");
1825 ERR_(edit
)("es->text == 0 ... please report\n");
1828 if (force
|| (es
->lock_count
== 1)) {
1830 LocalUnlock(es
->hloc32
);
1832 } else if (es
->hloc16
) {
1833 LOCAL_Unlock(wnd
->hInstance
, es
->hloc16
);
1841 /*********************************************************************
1843 * EDIT_WordBreakProc
1845 * Find the beginning of words.
1846 * Note: unlike the specs for a WordBreakProc, this function only
1847 * allows to be called without linebreaks between s[0] upto
1848 * s[count - 1]. Remember it is only called
1849 * internally, so we can decide this for ourselves.
1852 static INT
EDIT_WordBreakProc(LPSTR s
, INT index
, INT count
, INT action
)
1856 TRACE_(edit
)("s=%p, index=%u, count=%u, action=%d\n",
1857 s
, index
, count
, action
);
1865 if (s
[index
] == ' ') {
1866 while (index
&& (s
[index
] == ' '))
1869 while (index
&& (s
[index
] != ' '))
1871 if (s
[index
] == ' ')
1875 while (index
&& (s
[index
] != ' '))
1877 if (s
[index
] == ' ')
1887 if (s
[index
] == ' ')
1888 while ((index
< count
) && (s
[index
] == ' ')) index
++;
1890 while (s
[index
] && (s
[index
] != ' ') && (index
< count
))
1892 while ((s
[index
] == ' ') && (index
< count
)) index
++;
1896 case WB_ISDELIMITER
:
1897 ret
= (s
[index
] == ' ');
1900 ERR_(edit
)("unknown action code, please report !\n");
1907 /*********************************************************************
1911 * returns line number (not index) in high-order word of result.
1912 * NB : Q137805 is unclear about this. POINT * pointer in lParam apply
1913 * to Richedit, not to the edit control. Original documentation is valid.
1914 * FIXME: do the specs mean to return -1 if outside client area or
1915 * if outside formatting rectangle ???
1918 static LRESULT
EDIT_EM_CharFromPos(WND
*wnd
, EDITSTATE
*es
, INT x
, INT y
)
1926 GetClientRect(wnd
->hwndSelf
, &rc
);
1927 if (!PtInRect(&rc
, pt
))
1930 index
= EDIT_CharFromPos(wnd
, es
, x
, y
, NULL
);
1931 return MAKELONG(index
, EDIT_EM_LineFromChar(wnd
, es
, index
));
1935 /*********************************************************************
1939 * Enable or disable soft breaks.
1941 static BOOL
EDIT_EM_FmtLines(WND
*wnd
, EDITSTATE
*es
, BOOL add_eol
)
1943 es
->flags
&= ~EF_USE_SOFTBRK
;
1945 es
->flags
|= EF_USE_SOFTBRK
;
1946 FIXME_(edit
)("soft break enabled, not implemented\n");
1952 /*********************************************************************
1956 * Hopefully this won't fire back at us.
1957 * We always start with a fixed buffer in our own heap.
1958 * However, with this message a 32 bit application requests
1959 * a handle to 32 bit moveable local heap memory, where it expects
1961 * It's a pity that from this moment on we have to use this
1962 * local heap, because applications may rely on the handle
1965 * In this function we'll try to switch to local heap.
1968 static HLOCAL
EDIT_EM_GetHandle(WND
*wnd
, EDITSTATE
*es
)
1974 if (!(es
->style
& ES_MULTILINE
))
1979 else if (es
->hloc16
)
1980 return (HLOCAL
)es
->hloc16
;
1982 if (!(newBuf
= LocalAlloc(LMEM_MOVEABLE
, lstrlenA(es
->text
) + 1))) {
1983 ERR_(edit
)("could not allocate new 32 bit buffer\n");
1986 newSize
= MIN(LocalSize(newBuf
) - 1, es
->buffer_limit
);
1987 if (!(newText
= LocalLock(newBuf
))) {
1988 ERR_(edit
)("could not lock new 32 bit buffer\n");
1992 lstrcpyA(newText
, es
->text
);
1993 EDIT_UnlockBuffer(wnd
, es
, TRUE
);
1995 HeapFree(es
->heap
, 0, es
->text
);
1996 es
->hloc32
= newBuf
;
1997 es
->hloc16
= (HLOCAL16
)NULL
;
1998 es
->buffer_size
= newSize
;
2000 EDIT_LockBuffer(wnd
, es
);
2001 TRACE_(edit
)("switched to 32 bit local heap\n");
2007 /*********************************************************************
2011 * Hopefully this won't fire back at us.
2012 * We always start with a buffer in 32 bit linear memory.
2013 * However, with this message a 16 bit application requests
2014 * a handle of 16 bit local heap memory, where it expects to find
2016 * It's a pitty that from this moment on we have to use this
2017 * local heap, because applications may rely on the handle
2020 * In this function we'll try to switch to local heap.
2022 static HLOCAL16
EDIT_EM_GetHandle16(WND
*wnd
, EDITSTATE
*es
)
2028 if (!(es
->style
& ES_MULTILINE
))
2034 if (!LOCAL_HeapSize(wnd
->hInstance
)) {
2035 if (!LocalInit16(wnd
->hInstance
, 0,
2036 GlobalSize16(wnd
->hInstance
))) {
2037 ERR_(edit
)("could not initialize local heap\n");
2040 TRACE_(edit
)("local heap initialized\n");
2042 if (!(newBuf
= LOCAL_Alloc(wnd
->hInstance
, LMEM_MOVEABLE
, lstrlenA(es
->text
) + 1))) {
2043 ERR_(edit
)("could not allocate new 16 bit buffer\n");
2046 newSize
= MIN(LOCAL_Size(wnd
->hInstance
, newBuf
) - 1, es
->buffer_limit
);
2047 if (!(newText
= LOCAL_Lock(wnd
->hInstance
, newBuf
))) {
2048 ERR_(edit
)("could not lock new 16 bit buffer\n");
2049 LOCAL_Free(wnd
->hInstance
, newBuf
);
2052 lstrcpyA(newText
, es
->text
);
2053 EDIT_UnlockBuffer(wnd
, es
, TRUE
);
2055 HeapFree(es
->heap
, 0, es
->text
);
2056 else if (es
->hloc32
) {
2057 while (LocalFree(es
->hloc32
)) ;
2058 LocalFree(es
->hloc32
);
2060 es
->hloc32
= (HLOCAL
)NULL
;
2061 es
->hloc16
= newBuf
;
2062 es
->buffer_size
= newSize
;
2064 EDIT_LockBuffer(wnd
, es
);
2065 TRACE_(edit
)("switched to 16 bit buffer\n");
2071 /*********************************************************************
2076 static INT
EDIT_EM_GetLine(WND
*wnd
, EDITSTATE
*es
, INT line
, LPSTR lpch
)
2082 if (es
->style
& ES_MULTILINE
) {
2083 if (line
>= es
->line_count
)
2087 i
= EDIT_EM_LineIndex(wnd
, es
, line
);
2089 len
= MIN(*(WORD
*)lpch
, EDIT_EM_LineLength(wnd
, es
, i
));
2090 for (i
= 0 ; i
< len
; i
++) {
2095 return (LRESULT
)len
;
2099 /*********************************************************************
2104 static LRESULT
EDIT_EM_GetSel(WND
*wnd
, EDITSTATE
*es
, LPUINT start
, LPUINT end
)
2106 UINT s
= es
->selection_start
;
2107 UINT e
= es
->selection_end
;
2114 return MAKELONG(s
, e
);
2118 /*********************************************************************
2122 * FIXME: is this right ? (or should it be only VSCROLL)
2123 * (and maybe only for edit controls that really have their
2124 * own scrollbars) (and maybe only for multiline controls ?)
2125 * All in all: very poorly documented
2127 * FIXME: now it's also broken, because of the new WM_HSCROLL /
2128 * WM_VSCROLL handlers
2131 static LRESULT
EDIT_EM_GetThumb(WND
*wnd
, EDITSTATE
*es
)
2133 return MAKELONG(EDIT_WM_VScroll(wnd
, es
, EM_GETTHUMB16
, 0, 0),
2134 EDIT_WM_HScroll(wnd
, es
, EM_GETTHUMB16
, 0, 0));
2138 /*********************************************************************
2143 static INT
EDIT_EM_LineFromChar(WND
*wnd
, EDITSTATE
*es
, INT index
)
2148 if (!(es
->style
& ES_MULTILINE
))
2150 if (index
> lstrlenA(es
->text
))
2151 return es
->line_count
- 1;
2153 index
= MIN(es
->selection_start
, es
->selection_end
);
2156 line_def
= es
->first_line_def
;
2157 index
-= line_def
->length
;
2158 while ((index
>= 0) && line_def
->next
) {
2160 line_def
= line_def
->next
;
2161 index
-= line_def
->length
;
2167 /*********************************************************************
2172 static INT
EDIT_EM_LineIndex(WND
*wnd
, EDITSTATE
*es
, INT line
)
2177 if (!(es
->style
& ES_MULTILINE
))
2179 if (line
>= es
->line_count
)
2183 line_def
= es
->first_line_def
;
2185 INT index
= es
->selection_end
- line_def
->length
;
2186 while ((index
>= 0) && line_def
->next
) {
2187 line_index
+= line_def
->length
;
2188 line_def
= line_def
->next
;
2189 index
-= line_def
->length
;
2193 line_index
+= line_def
->length
;
2194 line_def
= line_def
->next
;
2202 /*********************************************************************
2207 static INT
EDIT_EM_LineLength(WND
*wnd
, EDITSTATE
*es
, INT index
)
2211 if (!(es
->style
& ES_MULTILINE
))
2212 return lstrlenA(es
->text
);
2216 INT32 sl = EDIT_EM_LineFromChar(wnd, es, es->selection_start);
2217 INT32 el = EDIT_EM_LineFromChar(wnd, es, es->selection_end);
2218 return es->selection_start - es->line_defs[sl].offset +
2219 es->line_defs[el].offset +
2220 es->line_defs[el].length - es->selection_end;
2224 line_def
= es
->first_line_def
;
2225 index
-= line_def
->length
;
2226 while ((index
>= 0) && line_def
->next
) {
2227 line_def
= line_def
->next
;
2228 index
-= line_def
->length
;
2230 return line_def
->net_length
;
2234 /*********************************************************************
2238 * FIXME: dx is in average character widths
2239 * However, we assume it is in pixels when we use this
2240 * function internally
2243 static BOOL
EDIT_EM_LineScroll(WND
*wnd
, EDITSTATE
*es
, INT dx
, INT dy
)
2247 if (!(es
->style
& ES_MULTILINE
))
2250 if (-dx
> es
->x_offset
)
2252 if (dx
> es
->text_width
- es
->x_offset
)
2253 dx
= es
->text_width
- es
->x_offset
;
2254 nyoff
= MAX(0, es
->y_offset
+ dy
);
2255 if (nyoff
>= es
->line_count
)
2256 nyoff
= es
->line_count
- 1;
2257 dy
= (es
->y_offset
- nyoff
) * es
->line_height
;
2261 GetClientRect(wnd
->hwndSelf
, &rc1
);
2262 IntersectRect(&rc
, &rc1
, &es
->format_rect
);
2263 ScrollWindowEx(wnd
->hwndSelf
, -dx
, dy
,
2264 NULL
, &rc
, (HRGN
)NULL
, NULL
, SW_INVALIDATE
);
2265 es
->y_offset
= nyoff
;
2268 if (dx
&& !(es
->flags
& EF_HSCROLL_TRACK
))
2269 EDIT_NOTIFY_PARENT(wnd
, EN_HSCROLL
, "EN_HSCROLL");
2270 if (dy
&& !(es
->flags
& EF_VSCROLL_TRACK
))
2271 EDIT_NOTIFY_PARENT(wnd
, EN_VSCROLL
, "EN_VSCROLL");
2276 /*********************************************************************
2281 static LRESULT
EDIT_EM_PosFromChar(WND
*wnd
, EDITSTATE
*es
, INT index
, BOOL after_wrap
)
2283 INT len
= lstrlenA(es
->text
);
2292 index
= MIN(index
, len
);
2293 dc
= GetDC(wnd
->hwndSelf
);
2295 old_font
= SelectObject(dc
, es
->font
);
2296 if (es
->style
& ES_MULTILINE
) {
2297 l
= EDIT_EM_LineFromChar(wnd
, es
, index
);
2298 y
= (l
- es
->y_offset
) * es
->line_height
;
2299 li
= EDIT_EM_LineIndex(wnd
, es
, l
);
2300 if (after_wrap
&& (li
== index
) && l
) {
2302 LINEDEF
*line_def
= es
->first_line_def
;
2304 line_def
= line_def
->next
;
2307 if (line_def
->ending
== END_WRAP
) {
2309 y
-= es
->line_height
;
2310 li
= EDIT_EM_LineIndex(wnd
, es
, l
);
2313 x
= LOWORD(GetTabbedTextExtentA(dc
, es
->text
+ li
, index
- li
,
2314 es
->tabs_count
, es
->tabs
)) - es
->x_offset
;
2316 LPSTR text
= EDIT_GetPasswordPointer_SL(wnd
, es
);
2317 if (index
< es
->x_offset
) {
2318 GetTextExtentPoint32A(dc
, text
+ index
,
2319 es
->x_offset
- index
, &size
);
2322 GetTextExtentPoint32A(dc
, text
+ es
->x_offset
,
2323 index
- es
->x_offset
, &size
);
2327 if (es
->style
& ES_PASSWORD
)
2328 HeapFree(es
->heap
, 0 ,text
);
2330 x
+= es
->format_rect
.left
;
2331 y
+= es
->format_rect
.top
;
2333 SelectObject(dc
, old_font
);
2334 ReleaseDC(wnd
->hwndSelf
, dc
);
2335 return MAKELONG((INT16
)x
, (INT16
)y
);
2339 /*********************************************************************
2343 * FIXME: handle ES_NUMBER and ES_OEMCONVERT here
2346 static void EDIT_EM_ReplaceSel(WND
*wnd
, EDITSTATE
*es
, BOOL can_undo
, LPCSTR lpsz_replace
)
2348 INT strl
= lstrlenA(lpsz_replace
);
2349 INT tl
= lstrlenA(es
->text
);
2356 s
= es
->selection_start
;
2357 e
= es
->selection_end
;
2359 if ((s
== e
) && !strl
)
2364 if (!EDIT_MakeFit(wnd
, es
, tl
- (e
- s
) + strl
))
2368 /* there is something to be deleted */
2370 utl
= lstrlenA(es
->undo_text
);
2371 if (!es
->undo_insert_count
&& (*es
->undo_text
&& (s
== es
->undo_position
))) {
2372 /* undo-buffer is extended to the right */
2373 EDIT_MakeUndoFit(wnd
, es
, utl
+ e
- s
);
2374 lstrcpynA(es
->undo_text
+ utl
, es
->text
+ s
, e
- s
+ 1);
2375 } else if (!es
->undo_insert_count
&& (*es
->undo_text
&& (e
== es
->undo_position
))) {
2376 /* undo-buffer is extended to the left */
2377 EDIT_MakeUndoFit(wnd
, es
, utl
+ e
- s
);
2378 for (p
= es
->undo_text
+ utl
; p
>= es
->undo_text
; p
--)
2380 for (i
= 0 , p
= es
->undo_text
; i
< e
- s
; i
++)
2381 p
[i
] = (es
->text
+ s
)[i
];
2382 es
->undo_position
= s
;
2384 /* new undo-buffer */
2385 EDIT_MakeUndoFit(wnd
, es
, e
- s
);
2386 lstrcpynA(es
->undo_text
, es
->text
+ s
, e
- s
+ 1);
2387 es
->undo_position
= s
;
2389 /* any deletion makes the old insertion-undo invalid */
2390 es
->undo_insert_count
= 0;
2392 EDIT_EM_EmptyUndoBuffer(wnd
, es
);
2395 lstrcpyA(es
->text
+ s
, es
->text
+ e
);
2398 /* there is an insertion */
2400 if ((s
== es
->undo_position
) ||
2401 ((es
->undo_insert_count
) &&
2402 (s
== es
->undo_position
+ es
->undo_insert_count
)))
2404 * insertion is new and at delete position or
2405 * an extension to either left or right
2407 es
->undo_insert_count
+= strl
;
2409 /* new insertion undo */
2410 es
->undo_position
= s
;
2411 es
->undo_insert_count
= strl
;
2412 /* new insertion makes old delete-buffer invalid */
2413 *es
->undo_text
= '\0';
2416 EDIT_EM_EmptyUndoBuffer(wnd
, es
);
2419 tl
= lstrlenA(es
->text
);
2420 for (p
= es
->text
+ tl
; p
>= es
->text
+ s
; p
--)
2422 for (i
= 0 , p
= es
->text
+ s
; i
< strl
; i
++)
2423 p
[i
] = lpsz_replace
[i
];
2424 if(es
->style
& ES_UPPERCASE
)
2425 CharUpperBuffA(p
, strl
);
2426 else if(es
->style
& ES_LOWERCASE
)
2427 CharLowerBuffA(p
, strl
);
2430 /* FIXME: really inefficient */
2431 if (es
->style
& ES_MULTILINE
)
2432 EDIT_BuildLineDefs_ML(wnd
, es
);
2434 EDIT_EM_SetSel(wnd
, es
, s
, s
, FALSE
);
2435 es
->flags
|= EF_MODIFIED
;
2436 es
->flags
|= EF_UPDATE
;
2437 EDIT_EM_ScrollCaret(wnd
, es
);
2439 /* FIXME: really inefficient */
2440 InvalidateRect(wnd
->hwndSelf
, NULL
, TRUE
);
2444 /*********************************************************************
2449 static LRESULT
EDIT_EM_Scroll(WND
*wnd
, EDITSTATE
*es
, INT action
)
2453 if (!(es
->style
& ES_MULTILINE
))
2454 return (LRESULT
)FALSE
;
2464 if (es
->y_offset
< es
->line_count
- 1)
2469 dy
= -(es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
2472 if (es
->y_offset
< es
->line_count
- 1)
2473 dy
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
2476 return (LRESULT
)FALSE
;
2479 EDIT_EM_LineScroll(wnd
, es
, 0, dy
);
2480 EDIT_NOTIFY_PARENT(wnd
, EN_VSCROLL
, "EN_VSCROLL");
2482 return MAKELONG((INT16
)dy
, (BOOL16
)TRUE
);
2486 /*********************************************************************
2491 static void EDIT_EM_ScrollCaret(WND
*wnd
, EDITSTATE
*es
)
2493 if (es
->style
& ES_MULTILINE
) {
2498 INT cw
= es
->char_width
;
2503 l
= EDIT_EM_LineFromChar(wnd
, es
, es
->selection_end
);
2504 li
= EDIT_EM_LineIndex(wnd
, es
, l
);
2505 x
= SLOWORD(EDIT_EM_PosFromChar(wnd
, es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
));
2506 vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
2507 if (l
>= es
->y_offset
+ vlc
)
2508 dy
= l
- vlc
+ 1 - es
->y_offset
;
2509 if (l
< es
->y_offset
)
2510 dy
= l
- es
->y_offset
;
2511 ww
= es
->format_rect
.right
- es
->format_rect
.left
;
2512 if (x
< es
->format_rect
.left
)
2513 dx
= x
- es
->format_rect
.left
- ww
/ HSCROLL_FRACTION
/ cw
* cw
;
2514 if (x
> es
->format_rect
.right
)
2515 dx
= x
- es
->format_rect
.left
- (HSCROLL_FRACTION
- 1) * ww
/ HSCROLL_FRACTION
/ cw
* cw
;
2517 EDIT_EM_LineScroll(wnd
, es
, dx
, dy
);
2523 if (!(es
->style
& ES_AUTOHSCROLL
))
2526 x
= SLOWORD(EDIT_EM_PosFromChar(wnd
, es
, es
->selection_end
, FALSE
));
2527 format_width
= es
->format_rect
.right
- es
->format_rect
.left
;
2528 if (x
< es
->format_rect
.left
) {
2529 goal
= es
->format_rect
.left
+ format_width
/ HSCROLL_FRACTION
;
2532 x
= SLOWORD(EDIT_EM_PosFromChar(wnd
, es
, es
->selection_end
, FALSE
));
2533 } while ((x
< goal
) && es
->x_offset
);
2534 /* FIXME: use ScrollWindow() somehow to improve performance */
2535 InvalidateRect(wnd
->hwndSelf
, NULL
, TRUE
);
2536 } else if (x
> es
->format_rect
.right
) {
2538 INT len
= lstrlenA(es
->text
);
2539 goal
= es
->format_rect
.right
- format_width
/ HSCROLL_FRACTION
;
2542 x
= SLOWORD(EDIT_EM_PosFromChar(wnd
, es
, es
->selection_end
, FALSE
));
2543 x_last
= SLOWORD(EDIT_EM_PosFromChar(wnd
, es
, len
, FALSE
));
2544 } while ((x
> goal
) && (x_last
> es
->format_rect
.right
));
2545 /* FIXME: use ScrollWindow() somehow to improve performance */
2546 InvalidateRect(wnd
->hwndSelf
, NULL
, TRUE
);
2552 /*********************************************************************
2556 * FIXME: ES_LOWERCASE, ES_UPPERCASE, ES_OEMCONVERT, ES_NUMBER ???
2559 static void EDIT_EM_SetHandle(WND
*wnd
, EDITSTATE
*es
, HLOCAL hloc
)
2561 if (!(es
->style
& ES_MULTILINE
))
2565 WARN_(edit
)("called with NULL handle\n");
2569 EDIT_UnlockBuffer(wnd
, es
, TRUE
);
2571 * old buffer is freed by caller, unless
2572 * it is still in our own heap. (in that case
2573 * we free it, correcting the buggy caller.)
2576 HeapFree(es
->heap
, 0, es
->text
);
2578 es
->hloc16
= (HLOCAL16
)NULL
;
2581 es
->buffer_size
= LocalSize(es
->hloc32
) - 1;
2582 EDIT_LockBuffer(wnd
, es
);
2584 es
->x_offset
= es
->y_offset
= 0;
2585 es
->selection_start
= es
->selection_end
= 0;
2586 EDIT_EM_EmptyUndoBuffer(wnd
, es
);
2587 es
->flags
&= ~EF_MODIFIED
;
2588 es
->flags
&= ~EF_UPDATE
;
2589 EDIT_BuildLineDefs_ML(wnd
, es
);
2590 InvalidateRect(wnd
->hwndSelf
, NULL
, TRUE
);
2591 EDIT_EM_ScrollCaret(wnd
, es
);
2595 /*********************************************************************
2599 * FIXME: ES_LOWERCASE, ES_UPPERCASE, ES_OEMCONVERT, ES_NUMBER ???
2602 static void EDIT_EM_SetHandle16(WND
*wnd
, EDITSTATE
*es
, HLOCAL16 hloc
)
2604 if (!(es
->style
& ES_MULTILINE
))
2608 WARN_(edit
)("called with NULL handle\n");
2612 EDIT_UnlockBuffer(wnd
, es
, TRUE
);
2614 * old buffer is freed by caller, unless
2615 * it is still in our own heap. (in that case
2616 * we free it, correcting the buggy caller.)
2619 HeapFree(es
->heap
, 0, es
->text
);
2622 es
->hloc32
= (HLOCAL
)NULL
;
2624 es
->buffer_size
= LOCAL_Size(wnd
->hInstance
, es
->hloc16
) - 1;
2625 EDIT_LockBuffer(wnd
, es
);
2627 es
->x_offset
= es
->y_offset
= 0;
2628 es
->selection_start
= es
->selection_end
= 0;
2629 EDIT_EM_EmptyUndoBuffer(wnd
, es
);
2630 es
->flags
&= ~EF_MODIFIED
;
2631 es
->flags
&= ~EF_UPDATE
;
2632 EDIT_BuildLineDefs_ML(wnd
, es
);
2633 InvalidateRect(wnd
->hwndSelf
, NULL
, TRUE
);
2634 EDIT_EM_ScrollCaret(wnd
, es
);
2638 /*********************************************************************
2642 * FIXME: in WinNT maxsize is 0x7FFFFFFF / 0xFFFFFFFF
2643 * However, the windows version is not complied to yet in all of edit.c
2646 static void EDIT_EM_SetLimitText(WND
*wnd
, EDITSTATE
*es
, INT limit
)
2648 if (es
->style
& ES_MULTILINE
) {
2650 es
->buffer_limit
= MIN(limit
, BUFLIMIT_MULTI
);
2652 es
->buffer_limit
= BUFLIMIT_MULTI
;
2655 es
->buffer_limit
= MIN(limit
, BUFLIMIT_SINGLE
);
2657 es
->buffer_limit
= BUFLIMIT_SINGLE
;
2662 /*********************************************************************
2666 * EC_USEFONTINFO is used as a left or right value i.e. lParam and not as an
2667 * action wParam despite what the docs say. EC_USEFONTINFO means one third
2668 * of the char's width, according to the new docs.
2671 static void EDIT_EM_SetMargins(WND
*wnd
, EDITSTATE
*es
, INT action
,
2672 INT left
, INT right
)
2674 if (action
& EC_LEFTMARGIN
) {
2675 if (left
!= EC_USEFONTINFO
)
2676 es
->left_margin
= left
;
2678 es
->left_margin
= es
->char_width
/ 3;
2681 if (action
& EC_RIGHTMARGIN
) {
2682 if (right
!= EC_USEFONTINFO
)
2683 es
->right_margin
= right
;
2685 es
->right_margin
= es
->char_width
/ 3;
2687 TRACE_(edit
)("left=%d, right=%d\n", es
->left_margin
, es
->right_margin
);
2691 /*********************************************************************
2693 * EM_SETPASSWORDCHAR
2696 static void EDIT_EM_SetPasswordChar(WND
*wnd
, EDITSTATE
*es
, CHAR c
)
2698 if (es
->style
& ES_MULTILINE
)
2701 if (es
->password_char
== c
)
2704 es
->password_char
= c
;
2706 wnd
->dwStyle
|= ES_PASSWORD
;
2707 es
->style
|= ES_PASSWORD
;
2709 wnd
->dwStyle
&= ~ES_PASSWORD
;
2710 es
->style
&= ~ES_PASSWORD
;
2712 InvalidateRect(wnd
->hwndSelf
, NULL
, TRUE
);
2716 /*********************************************************************
2720 * note: unlike the specs say: the order of start and end
2721 * _is_ preserved in Windows. (i.e. start can be > end)
2722 * In other words: this handler is OK
2725 static void EDIT_EM_SetSel(WND
*wnd
, EDITSTATE
*es
, UINT start
, UINT end
, BOOL after_wrap
)
2727 UINT old_start
= es
->selection_start
;
2728 UINT old_end
= es
->selection_end
;
2729 UINT len
= lstrlenA(es
->text
);
2732 start
= es
->selection_end
;
2733 end
= es
->selection_end
;
2735 start
= MIN(start
, len
);
2736 end
= MIN(end
, len
);
2738 es
->selection_start
= start
;
2739 es
->selection_end
= end
;
2741 es
->flags
|= EF_AFTER_WRAP
;
2743 es
->flags
&= ~EF_AFTER_WRAP
;
2744 if (es
->flags
& EF_FOCUSED
)
2745 EDIT_SetCaretPos(wnd
, es
, end
, after_wrap
);
2746 /* This is little bit more efficient than before, not sure if it can be improved. FIXME? */
2747 ORDER_UINT(start
, end
);
2748 ORDER_UINT(end
, old_end
);
2749 ORDER_UINT(start
, old_start
);
2750 ORDER_UINT(old_start
, old_end
);
2751 if (end
!= old_start
)
2755 * ORDER_UINT32(end, old_start);
2756 * EDIT_InvalidateText(wnd, es, start, end);
2757 * EDIT_InvalidateText(wnd, es, old_start, old_end);
2758 * in place of the following if statement.
2760 if (old_start
> end
)
2762 EDIT_InvalidateText(wnd
, es
, start
, end
);
2763 EDIT_InvalidateText(wnd
, es
, old_start
, old_end
);
2767 EDIT_InvalidateText(wnd
, es
, start
, old_start
);
2768 EDIT_InvalidateText(wnd
, es
, end
, old_end
);
2771 else EDIT_InvalidateText(wnd
, es
, start
, old_end
);
2775 /*********************************************************************
2780 static BOOL
EDIT_EM_SetTabStops(WND
*wnd
, EDITSTATE
*es
, INT count
, LPINT tabs
)
2782 if (!(es
->style
& ES_MULTILINE
))
2785 HeapFree(es
->heap
, 0, es
->tabs
);
2786 es
->tabs_count
= count
;
2790 es
->tabs
= HeapAlloc(es
->heap
, 0, count
* sizeof(INT
));
2791 memcpy(es
->tabs
, tabs
, count
* sizeof(INT
));
2797 /*********************************************************************
2802 static BOOL
EDIT_EM_SetTabStops16(WND
*wnd
, EDITSTATE
*es
, INT count
, LPINT16 tabs
)
2804 if (!(es
->style
& ES_MULTILINE
))
2807 HeapFree(es
->heap
, 0, es
->tabs
);
2808 es
->tabs_count
= count
;
2813 es
->tabs
= HeapAlloc(es
->heap
, 0, count
* sizeof(INT
));
2814 for (i
= 0 ; i
< count
; i
++)
2815 es
->tabs
[i
] = *tabs
++;
2821 /*********************************************************************
2823 * EM_SETWORDBREAKPROC
2826 static void EDIT_EM_SetWordBreakProc(WND
*wnd
, EDITSTATE
*es
, EDITWORDBREAKPROCA wbp
)
2828 if (es
->word_break_proc32A
== wbp
)
2831 es
->word_break_proc32A
= wbp
;
2832 es
->word_break_proc16
= NULL
;
2833 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_AUTOHSCROLL
)) {
2834 EDIT_BuildLineDefs_ML(wnd
, es
);
2835 InvalidateRect(wnd
->hwndSelf
, NULL
, TRUE
);
2840 /*********************************************************************
2842 * EM_SETWORDBREAKPROC16
2845 static void EDIT_EM_SetWordBreakProc16(WND
*wnd
, EDITSTATE
*es
, EDITWORDBREAKPROC16 wbp
)
2847 if (es
->word_break_proc16
== wbp
)
2850 es
->word_break_proc32A
= NULL
;
2851 es
->word_break_proc16
= wbp
;
2852 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_AUTOHSCROLL
)) {
2853 EDIT_BuildLineDefs_ML(wnd
, es
);
2854 InvalidateRect(wnd
->hwndSelf
, NULL
, TRUE
);
2859 /*********************************************************************
2864 static BOOL
EDIT_EM_Undo(WND
*wnd
, EDITSTATE
*es
)
2866 INT ulength
= lstrlenA(es
->undo_text
);
2867 LPSTR utext
= HeapAlloc(es
->heap
, 0, ulength
+ 1);
2869 lstrcpyA(utext
, es
->undo_text
);
2871 TRACE_(edit
)("before UNDO:insertion length = %d, deletion buffer = %s\n",
2872 es
->undo_insert_count
, utext
);
2874 EDIT_EM_SetSel(wnd
, es
, es
->undo_position
, es
->undo_position
+ es
->undo_insert_count
, FALSE
);
2875 EDIT_EM_EmptyUndoBuffer(wnd
, es
);
2876 EDIT_EM_ReplaceSel(wnd
, es
, TRUE
, utext
);
2877 EDIT_EM_SetSel(wnd
, es
, es
->undo_position
, es
->undo_position
+ es
->undo_insert_count
, FALSE
);
2878 HeapFree(es
->heap
, 0, utext
);
2880 TRACE_(edit
)("after UNDO:insertion length = %d, deletion buffer = %s\n",
2881 es
->undo_insert_count
, es
->undo_text
);
2887 /*********************************************************************
2892 static void EDIT_WM_Char(WND
*wnd
, EDITSTATE
*es
, CHAR c
, DWORD key_data
)
2897 if (es
->style
& ES_MULTILINE
) {
2898 if (es
->style
& ES_READONLY
) {
2899 EDIT_MoveHome(wnd
, es
, FALSE
);
2900 EDIT_MoveDown_ML(wnd
, es
, FALSE
);
2902 EDIT_EM_ReplaceSel(wnd
, es
, TRUE
, "\r\n");
2906 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_READONLY
))
2907 EDIT_EM_ReplaceSel(wnd
, es
, TRUE
, "\t");
2910 if (!(es
->style
& ES_READONLY
) && ((BYTE
)c
>= ' ') && (c
!= 127)) {
2914 EDIT_EM_ReplaceSel(wnd
, es
, TRUE
, str
);
2921 /*********************************************************************
2926 static void EDIT_WM_Command(WND
*wnd
, EDITSTATE
*es
, INT code
, INT id
, HWND control
)
2928 if (code
|| control
)
2933 EDIT_EM_Undo(wnd
, es
);
2936 EDIT_WM_Cut(wnd
, es
);
2939 EDIT_WM_Copy(wnd
, es
);
2942 EDIT_WM_Paste(wnd
, es
);
2945 EDIT_WM_Clear(wnd
, es
);
2948 EDIT_EM_SetSel(wnd
, es
, 0, -1, FALSE
);
2949 EDIT_EM_ScrollCaret(wnd
, es
);
2952 ERR_(edit
)("unknown menu item, please report\n");
2958 /*********************************************************************
2962 * Note: the resource files resource/sysres_??.rc cannot define a
2963 * single popup menu. Hence we use a (dummy) menubar
2964 * containing the single popup menu as its first item.
2966 * FIXME: the message identifiers have been chosen arbitrarily,
2967 * hence we use MF_BYPOSITION.
2968 * We might as well use the "real" values (anybody knows ?)
2969 * The menu definition is in resources/sysres_??.rc.
2970 * Once these are OK, we better use MF_BYCOMMAND here
2971 * (as we do in EDIT_WM_Command()).
2974 static void EDIT_WM_ContextMenu(WND
*wnd
, EDITSTATE
*es
, HWND hwnd
, INT x
, INT y
)
2976 HMENU menu
= LoadMenuA(GetModuleHandleA("USER32"), "EDITMENU");
2977 HMENU popup
= GetSubMenu(menu
, 0);
2978 UINT start
= es
->selection_start
;
2979 UINT end
= es
->selection_end
;
2981 ORDER_UINT(start
, end
);
2984 EnableMenuItem(popup
, 0, MF_BYPOSITION
| (EDIT_EM_CanUndo(wnd
, es
) ? MF_ENABLED
: MF_GRAYED
));
2986 EnableMenuItem(popup
, 2, MF_BYPOSITION
| ((end
- start
) && !(es
->style
& ES_PASSWORD
) ? MF_ENABLED
: MF_GRAYED
));
2988 EnableMenuItem(popup
, 3, MF_BYPOSITION
| ((end
- start
) && !(es
->style
& ES_PASSWORD
) ? MF_ENABLED
: MF_GRAYED
));
2990 EnableMenuItem(popup
, 4, MF_BYPOSITION
| (IsClipboardFormatAvailable(CF_TEXT
) ? MF_ENABLED
: MF_GRAYED
));
2992 EnableMenuItem(popup
, 5, MF_BYPOSITION
| ((end
- start
) ? MF_ENABLED
: MF_GRAYED
));
2994 EnableMenuItem(popup
, 7, MF_BYPOSITION
| (start
|| (end
!= lstrlenA(es
->text
)) ? MF_ENABLED
: MF_GRAYED
));
2996 TrackPopupMenu(popup
, TPM_LEFTALIGN
| TPM_RIGHTBUTTON
, x
, y
, 0, wnd
->hwndSelf
, NULL
);
3001 /*********************************************************************
3006 static void EDIT_WM_Copy(WND
*wnd
, EDITSTATE
*es
)
3008 INT s
= es
->selection_start
;
3009 INT e
= es
->selection_end
;
3016 hdst
= GlobalAlloc(GMEM_MOVEABLE
, (DWORD
)(e
- s
+ 1));
3017 dst
= GlobalLock(hdst
);
3018 lstrcpynA(dst
, es
->text
+ s
, e
- s
+ 1);
3020 OpenClipboard(wnd
->hwndSelf
);
3022 SetClipboardData(CF_TEXT
, hdst
);
3027 /*********************************************************************
3032 static LRESULT
EDIT_WM_Create(WND
*wnd
, EDITSTATE
*es
, LPCREATESTRUCTA cs
)
3035 * To initialize some final structure members, we call some helper
3036 * functions. However, since the EDITSTATE is not consistent (i.e.
3037 * not fully initialized), we should be very careful which
3038 * functions can be called, and in what order.
3040 EDIT_WM_SetFont(wnd
, es
, 0, FALSE
);
3041 EDIT_EM_EmptyUndoBuffer(wnd
, es
);
3043 if (cs
->lpszName
&& *(cs
->lpszName
) != '\0') {
3044 EDIT_EM_ReplaceSel(wnd
, es
, FALSE
, cs
->lpszName
);
3045 /* if we insert text to the editline, the text scrolls out of the window, as the caret is placed after the insert pos normally; thus we reset es->selection... to 0 and update caret */
3046 es
->selection_start
= es
->selection_end
= 0;
3047 EDIT_EM_ScrollCaret(wnd
, es
);
3053 /*********************************************************************
3058 static void EDIT_WM_Destroy(WND
*wnd
, EDITSTATE
*es
)
3061 while (LocalUnlock(es
->hloc32
)) ;
3062 LocalFree(es
->hloc32
);
3065 while (LOCAL_Unlock(wnd
->hInstance
, es
->hloc16
)) ;
3066 LOCAL_Free(wnd
->hInstance
, es
->hloc16
);
3068 HeapDestroy(es
->heap
);
3069 HeapFree(GetProcessHeap(), 0, es
);
3070 *(EDITSTATE
**)wnd
->wExtra
= NULL
;
3074 /*********************************************************************
3079 static LRESULT
EDIT_WM_EraseBkGnd(WND
*wnd
, EDITSTATE
*es
, HDC dc
)
3084 if (!IsWindowEnabled(wnd
->hwndSelf
) || (es
->style
& ES_READONLY
))
3085 brush
= (HBRUSH
)EDIT_SEND_CTLCOLORSTATIC(wnd
, dc
);
3087 brush
= (HBRUSH
)EDIT_SEND_CTLCOLOR(wnd
, dc
);
3090 brush
= (HBRUSH
)GetStockObject(WHITE_BRUSH
);
3092 GetClientRect(wnd
->hwndSelf
, &rc
);
3093 IntersectClipRect(dc
, rc
.left
, rc
.top
, rc
.right
, rc
.bottom
);
3094 GetClipBox(dc
, &rc
);
3096 * FIXME: specs say that we should UnrealizeObject() the brush,
3097 * but the specs of UnrealizeObject() say that we shouldn't
3098 * unrealize a stock object. The default brush that
3099 * DefWndProc() returns is ... a stock object.
3101 FillRect(dc
, &rc
, brush
);
3106 /*********************************************************************
3111 static INT
EDIT_WM_GetText(WND
*wnd
, EDITSTATE
*es
, INT count
, LPSTR text
)
3113 INT len
= lstrlenA(es
->text
);
3116 lstrcpyA(text
, es
->text
);
3123 /*********************************************************************
3127 * 16 bit notepad needs this. Actually it is not _our_ hack,
3128 * it is notepad's. Notepad is sending us scrollbar messages with
3129 * undocumented parameters without us even having a scrollbar ... !?!?
3132 static LRESULT
EDIT_HScroll_Hack(WND
*wnd
, EDITSTATE
*es
, INT action
, INT pos
, HWND scroll_bar
)
3135 INT fw
= es
->format_rect
.right
- es
->format_rect
.left
;
3138 if (!(es
->flags
& EF_HSCROLL_HACK
)) {
3139 ERR_(edit
)("hacked WM_HSCROLL handler invoked\n");
3140 ERR_(edit
)(" if you are _not_ running 16 bit notepad, please report\n");
3141 ERR_(edit
)(" (this message is only displayed once per edit control)\n");
3142 es
->flags
|= EF_HSCROLL_HACK
;
3148 dx
= -es
->char_width
;
3151 if (es
->x_offset
< es
->text_width
)
3152 dx
= es
->char_width
;
3156 dx
= -fw
/ HSCROLL_FRACTION
/ es
->char_width
* es
->char_width
;
3159 if (es
->x_offset
< es
->text_width
)
3160 dx
= fw
/ HSCROLL_FRACTION
/ es
->char_width
* es
->char_width
;
3167 if (es
->x_offset
< es
->text_width
)
3168 dx
= es
->text_width
- es
->x_offset
;
3171 es
->flags
|= EF_HSCROLL_TRACK
;
3172 dx
= pos
* es
->text_width
/ 100 - es
->x_offset
;
3174 case SB_THUMBPOSITION
:
3175 es
->flags
&= ~EF_HSCROLL_TRACK
;
3176 if (!(dx
= pos
* es
->text_width
/ 100 - es
->x_offset
))
3177 EDIT_NOTIFY_PARENT(wnd
, EN_HSCROLL
, "EN_HSCROLL");
3183 * FIXME : the next two are undocumented !
3184 * Are we doing the right thing ?
3185 * At least Win 3.1 Notepad makes use of EM_GETTHUMB this way,
3186 * although it's also a regular control message.
3189 ret
= es
->text_width
? es
->x_offset
* 100 / es
->text_width
: 0;
3191 case EM_LINESCROLL16
:
3196 ERR_(edit
)("undocumented (hacked) WM_HSCROLL parameter, please report\n");
3200 EDIT_EM_LineScroll(wnd
, es
, dx
, 0);
3205 /*********************************************************************
3210 static LRESULT
EDIT_WM_HScroll(WND
*wnd
, EDITSTATE
*es
, INT action
, INT pos
, HWND scroll_bar
)
3215 if (!(es
->style
& ES_MULTILINE
))
3218 if (!(es
->style
& ES_AUTOHSCROLL
))
3221 if (!(es
->style
& WS_HSCROLL
))
3222 return EDIT_HScroll_Hack(wnd
, es
, action
, pos
, scroll_bar
);
3225 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
3229 dx
= -es
->char_width
;
3232 if (es
->x_offset
< es
->text_width
)
3233 dx
= es
->char_width
;
3237 dx
= -fw
/ HSCROLL_FRACTION
/ es
->char_width
* es
->char_width
;
3240 if (es
->x_offset
< es
->text_width
)
3241 dx
= fw
/ HSCROLL_FRACTION
/ es
->char_width
* es
->char_width
;
3248 if (es
->x_offset
< es
->text_width
)
3249 dx
= es
->text_width
- es
->x_offset
;
3252 es
->flags
|= EF_HSCROLL_TRACK
;
3253 dx
= pos
- es
->x_offset
;
3255 case SB_THUMBPOSITION
:
3256 es
->flags
&= ~EF_HSCROLL_TRACK
;
3257 if (!(dx
= pos
- es
->x_offset
)) {
3258 SetScrollPos(wnd
->hwndSelf
, SB_HORZ
, pos
, TRUE
);
3259 EDIT_NOTIFY_PARENT(wnd
, EN_HSCROLL
, "EN_HSCROLL");
3266 ERR_(edit
)("undocumented WM_HSCROLL parameter, please report\n");
3270 EDIT_EM_LineScroll(wnd
, es
, dx
, 0);
3275 /*********************************************************************
3280 static BOOL
EDIT_CheckCombo(WND
*wnd
, UINT msg
, INT key
, DWORD key_data
)
3284 if (WIDGETS_IsControl(wnd
->parent
, BIC32_COMBO
) &&
3285 (hLBox
= COMBO_GetLBWindow(wnd
->parent
))) {
3286 HWND hCombo
= wnd
->parent
->hwndSelf
;
3287 BOOL bUIFlip
= TRUE
;
3289 TRACE_(combo
)("[%04x]: handling msg %04x (%04x)\n",
3290 wnd
->hwndSelf
, (UINT16
)msg
, (UINT16
)key
);
3293 case WM_KEYDOWN
: /* Handle F4 and arrow keys */
3295 bUIFlip
= (BOOL
)SendMessageA(hCombo
, CB_GETEXTENDEDUI
, 0, 0);
3296 if (SendMessageA(hCombo
, CB_GETDROPPEDSTATE
, 0, 0))
3300 SendMessageA(hLBox
, WM_KEYDOWN
, (WPARAM
)key
, 0);
3302 /* make sure ComboLBox pops up */
3303 SendMessageA(hCombo
, CB_SETEXTENDEDUI
, 0, 0);
3304 SendMessageA(hLBox
, WM_KEYDOWN
, VK_F4
, 0);
3305 SendMessageA(hCombo
, CB_SETEXTENDEDUI
, 1, 0);
3308 case WM_SYSKEYDOWN
: /* Handle Alt+up/down arrows */
3309 bUIFlip
= (BOOL
)SendMessageA(hCombo
, CB_GETEXTENDEDUI
, 0, 0);
3311 bUIFlip
= (BOOL
)SendMessageA(hCombo
, CB_GETDROPPEDSTATE
, 0, 0);
3312 SendMessageA(hCombo
, CB_SHOWDROPDOWN
, (bUIFlip
) ? FALSE
: TRUE
, 0);
3314 SendMessageA(hLBox
, WM_KEYDOWN
, VK_F4
, 0);
3323 /*********************************************************************
3327 * Handling of special keys that don't produce a WM_CHAR
3328 * (i.e. non-printable keys) & Backspace & Delete
3331 static LRESULT
EDIT_WM_KeyDown(WND
*wnd
, EDITSTATE
*es
, INT key
, DWORD key_data
)
3336 if (GetKeyState(VK_MENU
) & 0x8000)
3339 shift
= GetKeyState(VK_SHIFT
) & 0x8000;
3340 control
= GetKeyState(VK_CONTROL
) & 0x8000;
3345 if (EDIT_CheckCombo(wnd
, WM_KEYDOWN
, key
, key_data
))
3351 if ((es
->style
& ES_MULTILINE
) && (key
== VK_UP
))
3352 EDIT_MoveUp_ML(wnd
, es
, shift
);
3355 EDIT_MoveWordBackward(wnd
, es
, shift
);
3357 EDIT_MoveBackward(wnd
, es
, shift
);
3360 if (EDIT_CheckCombo(wnd
, WM_KEYDOWN
, key
, key_data
))
3364 if ((es
->style
& ES_MULTILINE
) && (key
== VK_DOWN
))
3365 EDIT_MoveDown_ML(wnd
, es
, shift
);
3367 EDIT_MoveWordForward(wnd
, es
, shift
);
3369 EDIT_MoveForward(wnd
, es
, shift
);
3372 EDIT_MoveHome(wnd
, es
, shift
);
3375 EDIT_MoveEnd(wnd
, es
, shift
);
3378 if (es
->style
& ES_MULTILINE
)
3379 EDIT_MovePageUp_ML(wnd
, es
, shift
);
3382 if (es
->style
& ES_MULTILINE
)
3383 EDIT_MovePageDown_ML(wnd
, es
, shift
);
3386 if (!(es
->style
& ES_READONLY
) && !control
) {
3387 if (es
->selection_start
!= es
->selection_end
)
3388 EDIT_WM_Clear(wnd
, es
);
3390 /* delete character left of caret */
3391 EDIT_EM_SetSel(wnd
, es
, -1, 0, FALSE
);
3392 EDIT_MoveBackward(wnd
, es
, TRUE
);
3393 EDIT_WM_Clear(wnd
, es
);
3398 if (!(es
->style
& ES_READONLY
) && !(shift
&& control
)) {
3399 if (es
->selection_start
!= es
->selection_end
) {
3401 EDIT_WM_Cut(wnd
, es
);
3403 EDIT_WM_Clear(wnd
, es
);
3406 /* delete character left of caret */
3407 EDIT_EM_SetSel(wnd
, es
, -1, 0, FALSE
);
3408 EDIT_MoveBackward(wnd
, es
, TRUE
);
3409 EDIT_WM_Clear(wnd
, es
);
3410 } else if (control
) {
3411 /* delete to end of line */
3412 EDIT_EM_SetSel(wnd
, es
, -1, 0, FALSE
);
3413 EDIT_MoveEnd(wnd
, es
, TRUE
);
3414 EDIT_WM_Clear(wnd
, es
);
3416 /* delete character right of caret */
3417 EDIT_EM_SetSel(wnd
, es
, -1, 0, FALSE
);
3418 EDIT_MoveForward(wnd
, es
, TRUE
);
3419 EDIT_WM_Clear(wnd
, es
);
3426 if (!(es
->style
& ES_READONLY
))
3427 EDIT_WM_Paste(wnd
, es
);
3429 EDIT_WM_Copy(wnd
, es
);
3436 /*********************************************************************
3441 static LRESULT
EDIT_WM_KillFocus(WND
*wnd
, EDITSTATE
*es
, HWND window_getting_focus
)
3443 es
->flags
&= ~EF_FOCUSED
;
3445 if(!(es
->style
& ES_NOHIDESEL
))
3446 EDIT_InvalidateText(wnd
, es
, es
->selection_start
, es
->selection_end
);
3447 EDIT_NOTIFY_PARENT(wnd
, EN_KILLFOCUS
, "EN_KILLFOCUS");
3452 /*********************************************************************
3456 * The caret position has been set on the WM_LBUTTONDOWN message
3459 static LRESULT
EDIT_WM_LButtonDblClk(WND
*wnd
, EDITSTATE
*es
, DWORD keys
, INT x
, INT y
)
3462 INT e
= es
->selection_end
;
3467 if (!(es
->flags
& EF_FOCUSED
))
3470 l
= EDIT_EM_LineFromChar(wnd
, es
, e
);
3471 li
= EDIT_EM_LineIndex(wnd
, es
, l
);
3472 ll
= EDIT_EM_LineLength(wnd
, es
, e
);
3473 s
= li
+ EDIT_CallWordBreakProc (wnd
, es
, li
, e
- li
, ll
, WB_LEFT
);
3474 e
= li
+ EDIT_CallWordBreakProc(wnd
, es
, li
, e
- li
, ll
, WB_RIGHT
);
3475 EDIT_EM_SetSel(wnd
, es
, s
, e
, FALSE
);
3476 EDIT_EM_ScrollCaret(wnd
, es
);
3481 /*********************************************************************
3486 static LRESULT
EDIT_WM_LButtonDown(WND
*wnd
, EDITSTATE
*es
, DWORD keys
, INT x
, INT y
)
3491 if (!(es
->flags
& EF_FOCUSED
))
3494 SetCapture(wnd
->hwndSelf
);
3495 EDIT_ConfinePoint(wnd
, es
, &x
, &y
);
3496 e
= EDIT_CharFromPos(wnd
, es
, x
, y
, &after_wrap
);
3497 EDIT_EM_SetSel(wnd
, es
, (keys
& MK_SHIFT
) ? es
->selection_start
: e
, e
, after_wrap
);
3498 EDIT_EM_ScrollCaret(wnd
, es
);
3499 es
->region_posx
= es
->region_posy
= 0;
3500 SetTimer(wnd
->hwndSelf
, 0, 100, NULL
);
3505 /*********************************************************************
3510 static LRESULT
EDIT_WM_LButtonUp(WND
*wnd
, EDITSTATE
*es
, DWORD keys
, INT x
, INT y
)
3512 if (GetCapture() == wnd
->hwndSelf
) {
3513 KillTimer(wnd
->hwndSelf
, 0);
3520 /*********************************************************************
3525 static LRESULT
EDIT_WM_MouseMove(WND
*wnd
, EDITSTATE
*es
, DWORD keys
, INT x
, INT y
)
3531 if (GetCapture() != wnd
->hwndSelf
)
3535 * FIXME: gotta do some scrolling if outside client
3536 * area. Maybe reset the timer ?
3539 EDIT_ConfinePoint(wnd
, es
, &x
, &y
);
3540 es
->region_posx
= (prex
< x
) ? -1 : ((prex
> x
) ? 1 : 0);
3541 es
->region_posy
= (prey
< y
) ? -1 : ((prey
> y
) ? 1 : 0);
3542 e
= EDIT_CharFromPos(wnd
, es
, x
, y
, &after_wrap
);
3543 EDIT_EM_SetSel(wnd
, es
, es
->selection_start
, e
, after_wrap
);
3548 /*********************************************************************
3553 static LRESULT
EDIT_WM_NCCreate(WND
*wnd
, LPCREATESTRUCTA cs
)
3557 if (!(es
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(*es
))))
3559 *(EDITSTATE
**)wnd
->wExtra
= es
;
3562 * Note: since the EDITSTATE has not been fully initialized yet,
3563 * we can't use any API calls that may send
3564 * WM_XXX messages before WM_NCCREATE is completed.
3567 if (!(es
->heap
= HeapCreate(0, 0x10000, 0)))
3569 es
->style
= cs
->style
;
3571 if ((es
->style
& WS_BORDER
) && !(es
->style
& WS_DLGFRAME
))
3572 wnd
->dwStyle
&= ~WS_BORDER
;
3574 if (es
->style
& ES_MULTILINE
) {
3575 es
->buffer_size
= BUFSTART_MULTI
;
3576 es
->buffer_limit
= BUFLIMIT_MULTI
;
3577 if (es
->style
& WS_VSCROLL
)
3578 es
->style
|= ES_AUTOVSCROLL
;
3579 if (es
->style
& WS_HSCROLL
)
3580 es
->style
|= ES_AUTOHSCROLL
;
3581 es
->style
&= ~ES_PASSWORD
;
3582 if ((es
->style
& ES_CENTER
) || (es
->style
& ES_RIGHT
)) {
3583 if (es
->style
& ES_RIGHT
)
3584 es
->style
&= ~ES_CENTER
;
3585 es
->style
&= ~WS_HSCROLL
;
3586 es
->style
&= ~ES_AUTOHSCROLL
;
3589 /* FIXME: for now, all multi line controls are AUTOVSCROLL */
3590 es
->style
|= ES_AUTOVSCROLL
;
3592 es
->buffer_size
= BUFSTART_SINGLE
;
3593 es
->buffer_limit
= BUFLIMIT_SINGLE
;
3594 es
->style
&= ~ES_CENTER
;
3595 es
->style
&= ~ES_RIGHT
;
3596 es
->style
&= ~WS_HSCROLL
;
3597 es
->style
&= ~WS_VSCROLL
;
3598 es
->style
&= ~ES_AUTOVSCROLL
;
3599 es
->style
&= ~ES_WANTRETURN
;
3600 if (es
->style
& ES_UPPERCASE
) {
3601 es
->style
&= ~ES_LOWERCASE
;
3602 es
->style
&= ~ES_NUMBER
;
3603 } else if (es
->style
& ES_LOWERCASE
)
3604 es
->style
&= ~ES_NUMBER
;
3605 if (es
->style
& ES_PASSWORD
)
3606 es
->password_char
= '*';
3608 /* FIXME: for now, all single line controls are AUTOHSCROLL */
3609 es
->style
|= ES_AUTOHSCROLL
;
3611 if (!(es
->text
= HeapAlloc(es
->heap
, 0, es
->buffer_size
+ 1)))
3613 es
->buffer_size
= HeapSize(es
->heap
, 0, es
->text
) - 1;
3614 if (!(es
->undo_text
= HeapAlloc(es
->heap
, 0, es
->buffer_size
+ 1)))
3616 es
->undo_buffer_size
= HeapSize(es
->heap
, 0, es
->undo_text
) - 1;
3618 if (es
->style
& ES_MULTILINE
)
3619 if (!(es
->first_line_def
= HeapAlloc(es
->heap
, HEAP_ZERO_MEMORY
, sizeof(LINEDEF
))))
3626 /*********************************************************************
3631 static void EDIT_WM_Paint(WND
*wnd
, EDITSTATE
*es
)
3640 BOOL rev
= IsWindowEnabled(wnd
->hwndSelf
) &&
3641 ((es
->flags
& EF_FOCUSED
) ||
3642 (es
->style
& ES_NOHIDESEL
));
3644 if (es
->flags
& EF_UPDATE
)
3645 EDIT_NOTIFY_PARENT(wnd
, EN_UPDATE
, "EN_UPDATE");
3647 dc
= BeginPaint(wnd
->hwndSelf
, &ps
);
3648 if(es
->style
& WS_BORDER
) {
3649 GetClientRect(wnd
->hwndSelf
, &rc
);
3650 if(es
->style
& ES_MULTILINE
) {
3651 if(es
->style
& WS_HSCROLL
) rc
.bottom
++;
3652 if(es
->style
& WS_VSCROLL
) rc
.right
++;
3654 Rectangle(dc
, rc
.left
, rc
.top
, rc
.right
, rc
.bottom
);
3656 IntersectClipRect(dc
, es
->format_rect
.left
,
3657 es
->format_rect
.top
,
3658 es
->format_rect
.right
,
3659 es
->format_rect
.bottom
);
3660 if (es
->style
& ES_MULTILINE
) {
3661 GetClientRect(wnd
->hwndSelf
, &rc
);
3662 IntersectClipRect(dc
, rc
.left
, rc
.top
, rc
.right
, rc
.bottom
);
3665 old_font
= SelectObject(dc
, es
->font
);
3666 if (!IsWindowEnabled(wnd
->hwndSelf
) || (es
->style
& ES_READONLY
))
3667 EDIT_SEND_CTLCOLORSTATIC(wnd
, dc
);
3669 EDIT_SEND_CTLCOLOR(wnd
, dc
);
3670 if (!IsWindowEnabled(wnd
->hwndSelf
))
3671 SetTextColor(dc
, GetSysColor(COLOR_GRAYTEXT
));
3672 GetClipBox(dc
, &rcRgn
);
3673 if (es
->style
& ES_MULTILINE
) {
3674 INT vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
3675 for (i
= es
->y_offset
; i
<= MIN(es
->y_offset
+ vlc
, es
->y_offset
+ es
->line_count
- 1) ; i
++) {
3676 EDIT_GetLineRect(wnd
, es
, i
, 0, -1, &rcLine
);
3677 if (IntersectRect(&rc
, &rcRgn
, &rcLine
))
3678 EDIT_PaintLine(wnd
, es
, dc
, i
, rev
);
3681 EDIT_GetLineRect(wnd
, es
, 0, 0, -1, &rcLine
);
3682 if (IntersectRect(&rc
, &rcRgn
, &rcLine
))
3683 EDIT_PaintLine(wnd
, es
, dc
, 0, rev
);
3686 SelectObject(dc
, old_font
);
3687 if (es
->flags
& EF_FOCUSED
)
3688 EDIT_SetCaretPos(wnd
, es
, es
->selection_end
,
3689 es
->flags
& EF_AFTER_WRAP
);
3690 EndPaint(wnd
->hwndSelf
, &ps
);
3691 if ((es
->style
& WS_VSCROLL
) && !(es
->flags
& EF_VSCROLL_TRACK
)) {
3692 INT vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
3694 si
.cbSize
= sizeof(SCROLLINFO
);
3695 si
.fMask
= SIF_PAGE
| SIF_POS
| SIF_RANGE
| SIF_DISABLENOSCROLL
;
3697 si
.nMax
= es
->line_count
+ vlc
- 2;
3699 si
.nPos
= es
->y_offset
;
3700 SetScrollInfo(wnd
->hwndSelf
, SB_VERT
, &si
, TRUE
);
3702 if ((es
->style
& WS_HSCROLL
) && !(es
->flags
& EF_HSCROLL_TRACK
)) {
3704 INT fw
= es
->format_rect
.right
- es
->format_rect
.left
;
3705 si
.cbSize
= sizeof(SCROLLINFO
);
3706 si
.fMask
= SIF_PAGE
| SIF_POS
| SIF_RANGE
| SIF_DISABLENOSCROLL
;
3708 si
.nMax
= es
->text_width
+ fw
- 1;
3710 si
.nPos
= es
->x_offset
;
3711 SetScrollInfo(wnd
->hwndSelf
, SB_HORZ
, &si
, TRUE
);
3714 if (es
->flags
& EF_UPDATE
) {
3715 es
->flags
&= ~EF_UPDATE
;
3716 EDIT_NOTIFY_PARENT(wnd
, EN_CHANGE
, "EN_CHANGE");
3721 /*********************************************************************
3726 static void EDIT_WM_Paste(WND
*wnd
, EDITSTATE
*es
)
3731 OpenClipboard(wnd
->hwndSelf
);
3732 if ((hsrc
= GetClipboardData(CF_TEXT
))) {
3733 src
= (LPSTR
)GlobalLock(hsrc
);
3734 EDIT_EM_ReplaceSel(wnd
, es
, TRUE
, src
);
3741 /*********************************************************************
3746 static void EDIT_WM_SetFocus(WND
*wnd
, EDITSTATE
*es
, HWND window_losing_focus
)
3748 es
->flags
|= EF_FOCUSED
;
3749 CreateCaret(wnd
->hwndSelf
, 0, 2, es
->line_height
);
3750 EDIT_SetCaretPos(wnd
, es
, es
->selection_end
,
3751 es
->flags
& EF_AFTER_WRAP
);
3752 if(!(es
->style
& ES_NOHIDESEL
))
3753 EDIT_InvalidateText(wnd
, es
, es
->selection_start
, es
->selection_end
);
3754 ShowCaret(wnd
->hwndSelf
);
3755 EDIT_NOTIFY_PARENT(wnd
, EN_SETFOCUS
, "EN_SETFOCUS");
3759 /*********************************************************************
3763 * With Win95 look the margins are set to default font value unless
3764 * the system font (font == 0) is being set, in which case they are left
3768 static void EDIT_WM_SetFont(WND
*wnd
, EDITSTATE
*es
, HFONT font
, BOOL redraw
)
3775 dc
= GetDC(wnd
->hwndSelf
);
3777 old_font
= SelectObject(dc
, font
);
3778 GetTextMetricsA(dc
, &tm
);
3779 es
->line_height
= tm
.tmHeight
;
3780 es
->char_width
= tm
.tmAveCharWidth
;
3782 SelectObject(dc
, old_font
);
3783 ReleaseDC(wnd
->hwndSelf
, dc
);
3784 if (font
&& (TWEAK_WineLook
> WIN31_LOOK
))
3785 EDIT_EM_SetMargins(wnd
, es
, EC_LEFTMARGIN
| EC_RIGHTMARGIN
,
3786 EC_USEFONTINFO
, EC_USEFONTINFO
);
3787 if (es
->style
& ES_MULTILINE
)
3788 EDIT_BuildLineDefs_ML(wnd
, es
);
3791 GetClientRect(wnd
->hwndSelf
, &r
);
3792 EDIT_SetRectNP(wnd
, es
, &r
);
3795 InvalidateRect(wnd
->hwndSelf
, NULL
, TRUE
);
3796 if (es
->flags
& EF_FOCUSED
) {
3798 CreateCaret(wnd
->hwndSelf
, 0, 2, es
->line_height
);
3799 EDIT_SetCaretPos(wnd
, es
, es
->selection_end
,
3800 es
->flags
& EF_AFTER_WRAP
);
3801 ShowCaret(wnd
->hwndSelf
);
3806 /*********************************************************************
3811 * For multiline controls (ES_MULTILINE), reception of WM_SETTEXT triggers:
3812 * The modified flag is reset. No notifications are sent.
3814 * For single-line controls, reception of WM_SETTEXT triggers:
3815 * The modified flag is reset. EN_UPDATE and EN_CHANGE notifications are sent.
3818 static void EDIT_WM_SetText(WND
*wnd
, EDITSTATE
*es
, LPCSTR text
)
3820 EDIT_EM_SetSel(wnd
, es
, 0, -1, FALSE
);
3822 TRACE_(edit
)("\t'%s'\n", text
);
3823 EDIT_EM_ReplaceSel(wnd
, es
, FALSE
, text
);
3825 TRACE_(edit
)("\t<NULL>\n");
3826 EDIT_EM_ReplaceSel(wnd
, es
, FALSE
, "");
3829 if (es
->style
& ES_MULTILINE
) {
3830 es
->flags
&= ~EF_UPDATE
;
3832 es
->flags
|= EF_UPDATE
;
3834 es
->flags
&= ~EF_MODIFIED
;
3835 EDIT_EM_SetSel(wnd
, es
, 0, 0, FALSE
);
3836 EDIT_EM_ScrollCaret(wnd
, es
);
3840 /*********************************************************************
3845 static void EDIT_WM_Size(WND
*wnd
, EDITSTATE
*es
, UINT action
, INT width
, INT height
)
3847 if ((action
== SIZE_MAXIMIZED
) || (action
== SIZE_RESTORED
)) {
3849 SetRect(&rc
, 0, 0, width
, height
);
3850 EDIT_SetRectNP(wnd
, es
, &rc
);
3851 InvalidateRect(wnd
->hwndSelf
, NULL
, TRUE
);
3856 /*********************************************************************
3861 static LRESULT
EDIT_WM_SysKeyDown(WND
*wnd
, EDITSTATE
*es
, INT key
, DWORD key_data
)
3863 if ((key
== VK_BACK
) && (key_data
& 0x2000)) {
3864 if (EDIT_EM_CanUndo(wnd
, es
))
3865 EDIT_EM_Undo(wnd
, es
);
3867 } else if (key
== VK_UP
|| key
== VK_DOWN
)
3868 if (EDIT_CheckCombo(wnd
, WM_SYSKEYDOWN
, key
, key_data
))
3870 return DefWindowProcA(wnd
->hwndSelf
, WM_SYSKEYDOWN
, (WPARAM
)key
, (LPARAM
)key_data
);
3874 /*********************************************************************
3879 static void EDIT_WM_Timer(WND
*wnd
, EDITSTATE
*es
, INT id
, TIMERPROC timer_proc
)
3881 if (es
->region_posx
< 0) {
3882 EDIT_MoveBackward(wnd
, es
, TRUE
);
3883 } else if (es
->region_posx
> 0) {
3884 EDIT_MoveForward(wnd
, es
, TRUE
);
3887 * FIXME: gotta do some vertical scrolling here, like
3888 * EDIT_EM_LineScroll(wnd, 0, 1);
3893 /*********************************************************************
3897 * 16 bit notepad needs this. Actually it is not _our_ hack,
3898 * it is notepad's. Notepad is sending us scrollbar messages with
3899 * undocumented parameters without us even having a scrollbar ... !?!?
3902 static LRESULT
EDIT_VScroll_Hack(WND
*wnd
, EDITSTATE
*es
, INT action
, INT pos
, HWND scroll_bar
)
3907 if (!(es
->flags
& EF_VSCROLL_HACK
)) {
3908 ERR_(edit
)("hacked WM_VSCROLL handler invoked\n");
3909 ERR_(edit
)(" if you are _not_ running 16 bit notepad, please report\n");
3910 ERR_(edit
)(" (this message is only displayed once per edit control)\n");
3911 es
->flags
|= EF_VSCROLL_HACK
;
3919 EDIT_EM_Scroll(wnd
, es
, action
);
3925 dy
= es
->line_count
- 1 - es
->y_offset
;
3928 es
->flags
|= EF_VSCROLL_TRACK
;
3929 dy
= (pos
* (es
->line_count
- 1) + 50) / 100 - es
->y_offset
;
3931 case SB_THUMBPOSITION
:
3932 es
->flags
&= ~EF_VSCROLL_TRACK
;
3933 if (!(dy
= (pos
* (es
->line_count
- 1) + 50) / 100 - es
->y_offset
))
3934 EDIT_NOTIFY_PARENT(wnd
, EN_VSCROLL
, "EN_VSCROLL");
3940 * FIXME : the next two are undocumented !
3941 * Are we doing the right thing ?
3942 * At least Win 3.1 Notepad makes use of EM_GETTHUMB this way,
3943 * although it's also a regular control message.
3946 ret
= (es
->line_count
> 1) ? es
->y_offset
* 100 / (es
->line_count
- 1) : 0;
3948 case EM_LINESCROLL16
:
3953 ERR_(edit
)("undocumented (hacked) WM_VSCROLL parameter, please report\n");
3957 EDIT_EM_LineScroll(wnd
, es
, 0, dy
);
3962 /*********************************************************************
3967 static LRESULT
EDIT_WM_VScroll(WND
*wnd
, EDITSTATE
*es
, INT action
, INT pos
, HWND scroll_bar
)
3971 if (!(es
->style
& ES_MULTILINE
))
3974 if (!(es
->style
& ES_AUTOVSCROLL
))
3977 if (!(es
->style
& WS_VSCROLL
))
3978 return EDIT_VScroll_Hack(wnd
, es
, action
, pos
, scroll_bar
);
3986 EDIT_EM_Scroll(wnd
, es
, action
);
3993 dy
= es
->line_count
- 1 - es
->y_offset
;
3996 es
->flags
|= EF_VSCROLL_TRACK
;
3997 dy
= pos
- es
->y_offset
;
3999 case SB_THUMBPOSITION
:
4000 es
->flags
&= ~EF_VSCROLL_TRACK
;
4001 if (!(dy
= pos
- es
->y_offset
)) {
4002 SetScrollPos(wnd
->hwndSelf
, SB_VERT
, pos
, TRUE
);
4003 EDIT_NOTIFY_PARENT(wnd
, EN_VSCROLL
, "EN_VSCROLL");
4010 ERR_(edit
)("undocumented WM_VSCROLL action %d, please report\n",
4015 EDIT_EM_LineScroll(wnd
, es
, 0, dy
);