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
);
159 * Helper functions only valid for one type of control
161 static void EDIT_BuildLineDefs_ML(WND
*wnd
, EDITSTATE
*es
);
162 static LPSTR
EDIT_GetPasswordPointer_SL(WND
*wnd
, EDITSTATE
*es
);
163 static void EDIT_MoveDown_ML(WND
*wnd
, EDITSTATE
*es
, BOOL extend
);
164 static void EDIT_MovePageDown_ML(WND
*wnd
, EDITSTATE
*es
, BOOL extend
);
165 static void EDIT_MovePageUp_ML(WND
*wnd
, EDITSTATE
*es
, BOOL extend
);
166 static void EDIT_MoveUp_ML(WND
*wnd
, EDITSTATE
*es
, BOOL extend
);
168 * Helper functions valid for both single line _and_ multi line controls
170 static INT
EDIT_CallWordBreakProc(WND
*wnd
, EDITSTATE
*es
, INT start
, INT index
, INT count
, INT action
);
171 static INT
EDIT_CharFromPos(WND
*wnd
, EDITSTATE
*es
, INT x
, INT y
, LPBOOL after_wrap
);
172 static void EDIT_ConfinePoint(WND
*wnd
, EDITSTATE
*es
, LPINT x
, LPINT y
);
173 static void EDIT_GetLineRect(WND
*wnd
, EDITSTATE
*es
, INT line
, INT scol
, INT ecol
, LPRECT rc
);
174 static void EDIT_InvalidateText(WND
*wnd
, EDITSTATE
*es
, INT start
, INT end
);
175 static void EDIT_LockBuffer(WND
*wnd
, EDITSTATE
*es
);
176 static BOOL
EDIT_MakeFit(WND
*wnd
, EDITSTATE
*es
, INT size
);
177 static BOOL
EDIT_MakeUndoFit(WND
*wnd
, EDITSTATE
*es
, INT size
);
178 static void EDIT_MoveBackward(WND
*wnd
, EDITSTATE
*es
, BOOL extend
);
179 static void EDIT_MoveEnd(WND
*wnd
, EDITSTATE
*es
, BOOL extend
);
180 static void EDIT_MoveForward(WND
*wnd
, EDITSTATE
*es
, BOOL extend
);
181 static void EDIT_MoveHome(WND
*wnd
, EDITSTATE
*es
, BOOL extend
);
182 static void EDIT_MoveWordBackward(WND
*wnd
, EDITSTATE
*es
, BOOL extend
);
183 static void EDIT_MoveWordForward(WND
*wnd
, EDITSTATE
*es
, BOOL extend
);
184 static void EDIT_PaintLine(WND
*wnd
, EDITSTATE
*es
, HDC hdc
, INT line
, BOOL rev
);
185 static INT
EDIT_PaintText(WND
*wnd
, EDITSTATE
*es
, HDC hdc
, INT x
, INT y
, INT line
, INT col
, INT count
, BOOL rev
);
186 static void EDIT_SetCaretPos(WND
*wnd
, EDITSTATE
*es
, INT pos
, BOOL after_wrap
);
187 static void EDIT_SetRectNP(WND
*wnd
, EDITSTATE
*es
, LPRECT lprc
);
188 static void EDIT_UnlockBuffer(WND
*wnd
, EDITSTATE
*es
, BOOL force
);
189 static INT
EDIT_WordBreakProc(LPSTR s
, INT index
, INT count
, INT action
);
191 * EM_XXX message handlers
193 static LRESULT
EDIT_EM_CharFromPos(WND
*wnd
, EDITSTATE
*es
, INT x
, INT y
);
194 static BOOL
EDIT_EM_FmtLines(WND
*wnd
, EDITSTATE
*es
, BOOL add_eol
);
195 static HLOCAL
EDIT_EM_GetHandle(WND
*wnd
, EDITSTATE
*es
);
196 static HLOCAL16
EDIT_EM_GetHandle16(WND
*wnd
, EDITSTATE
*es
);
197 static INT
EDIT_EM_GetLine(WND
*wnd
, EDITSTATE
*es
, INT line
, LPSTR lpch
);
198 static LRESULT
EDIT_EM_GetSel(WND
*wnd
, EDITSTATE
*es
, LPUINT start
, LPUINT end
);
199 static LRESULT
EDIT_EM_GetThumb(WND
*wnd
, EDITSTATE
*es
);
200 static INT
EDIT_EM_LineFromChar(WND
*wnd
, EDITSTATE
*es
, INT index
);
201 static INT
EDIT_EM_LineIndex(WND
*wnd
, EDITSTATE
*es
, INT line
);
202 static INT
EDIT_EM_LineLength(WND
*wnd
, EDITSTATE
*es
, INT index
);
203 static BOOL
EDIT_EM_LineScroll(WND
*wnd
, EDITSTATE
*es
, INT dx
, INT dy
);
204 static LRESULT
EDIT_EM_PosFromChar(WND
*wnd
, EDITSTATE
*es
, INT index
, BOOL after_wrap
);
205 static void EDIT_EM_ReplaceSel(WND
*wnd
, EDITSTATE
*es
, BOOL can_undo
, LPCSTR lpsz_replace
);
206 static LRESULT
EDIT_EM_Scroll(WND
*wnd
, EDITSTATE
*es
, INT action
);
207 static void EDIT_EM_ScrollCaret(WND
*wnd
, EDITSTATE
*es
);
208 static void EDIT_EM_SetHandle(WND
*wnd
, EDITSTATE
*es
, HLOCAL hloc
);
209 static void EDIT_EM_SetHandle16(WND
*wnd
, EDITSTATE
*es
, HLOCAL16 hloc
);
210 static void EDIT_EM_SetLimitText(WND
*wnd
, EDITSTATE
*es
, INT limit
);
211 static void EDIT_EM_SetMargins(WND
*wnd
, EDITSTATE
*es
, INT action
, INT left
, INT right
);
212 static void EDIT_EM_SetPasswordChar(WND
*wnd
, EDITSTATE
*es
, CHAR c
);
213 static void EDIT_EM_SetSel(WND
*wnd
, EDITSTATE
*es
, UINT start
, UINT end
, BOOL after_wrap
);
214 static BOOL
EDIT_EM_SetTabStops(WND
*wnd
, EDITSTATE
*es
, INT count
, LPINT tabs
);
215 static BOOL
EDIT_EM_SetTabStops16(WND
*wnd
, EDITSTATE
*es
, INT count
, LPINT16 tabs
);
216 static void EDIT_EM_SetWordBreakProc(WND
*wnd
, EDITSTATE
*es
, EDITWORDBREAKPROCA wbp
);
217 static void EDIT_EM_SetWordBreakProc16(WND
*wnd
, EDITSTATE
*es
, EDITWORDBREAKPROC16 wbp
);
218 static BOOL
EDIT_EM_Undo(WND
*wnd
, EDITSTATE
*es
);
220 * WM_XXX message handlers
222 static void EDIT_WM_Char(WND
*wnd
, EDITSTATE
*es
, CHAR c
, DWORD key_data
);
223 static void EDIT_WM_Command(WND
*wnd
, EDITSTATE
*es
, INT code
, INT id
, HWND conrtol
);
224 static void EDIT_WM_ContextMenu(WND
*wnd
, EDITSTATE
*es
, HWND hwnd
, INT x
, INT y
);
225 static void EDIT_WM_Copy(WND
*wnd
, EDITSTATE
*es
);
226 static LRESULT
EDIT_WM_Create(WND
*wnd
, EDITSTATE
*es
, LPCREATESTRUCTA cs
);
227 static void EDIT_WM_Destroy(WND
*wnd
, EDITSTATE
*es
);
228 static LRESULT
EDIT_WM_EraseBkGnd(WND
*wnd
, EDITSTATE
*es
, HDC dc
);
229 static INT
EDIT_WM_GetText(WND
*wnd
, EDITSTATE
*es
, INT count
, LPSTR text
);
230 static LRESULT
EDIT_WM_HScroll(WND
*wnd
, EDITSTATE
*es
, INT action
, INT pos
, HWND scroll_bar
);
231 static LRESULT
EDIT_WM_KeyDown(WND
*wnd
, EDITSTATE
*es
, INT key
, DWORD key_data
);
232 static LRESULT
EDIT_WM_KillFocus(WND
*wnd
, EDITSTATE
*es
, HWND window_getting_focus
);
233 static LRESULT
EDIT_WM_LButtonDblClk(WND
*wnd
, EDITSTATE
*es
, DWORD keys
, INT x
, INT y
);
234 static LRESULT
EDIT_WM_LButtonDown(WND
*wnd
, EDITSTATE
*es
, DWORD keys
, INT x
, INT y
);
235 static LRESULT
EDIT_WM_LButtonUp(WND
*wnd
, EDITSTATE
*es
, DWORD keys
, INT x
, INT y
);
236 static LRESULT
EDIT_WM_MouseMove(WND
*wnd
, EDITSTATE
*es
, DWORD keys
, INT x
, INT y
);
237 static LRESULT
EDIT_WM_NCCreate(WND
*wnd
, LPCREATESTRUCTA cs
);
238 static void EDIT_WM_Paint(WND
*wnd
, EDITSTATE
*es
);
239 static void EDIT_WM_Paste(WND
*wnd
, EDITSTATE
*es
);
240 static void EDIT_WM_SetFocus(WND
*wnd
, EDITSTATE
*es
, HWND window_losing_focus
);
241 static void EDIT_WM_SetFont(WND
*wnd
, EDITSTATE
*es
, HFONT font
, BOOL redraw
);
242 static void EDIT_WM_SetText(WND
*wnd
, EDITSTATE
*es
, LPCSTR text
);
243 static void EDIT_WM_Size(WND
*wnd
, EDITSTATE
*es
, UINT action
, INT width
, INT height
);
244 static LRESULT
EDIT_WM_SysKeyDown(WND
*wnd
, EDITSTATE
*es
, INT key
, DWORD key_data
);
245 static void EDIT_WM_Timer(WND
*wnd
, EDITSTATE
*es
, INT id
, TIMERPROC timer_proc
);
246 static LRESULT
EDIT_WM_VScroll(WND
*wnd
, EDITSTATE
*es
, INT action
, INT pos
, HWND scroll_bar
);
249 /*********************************************************************
254 static inline BOOL
EDIT_EM_CanUndo(WND
*wnd
, EDITSTATE
*es
)
256 return (es
->undo_insert_count
|| lstrlenA(es
->undo_text
));
260 /*********************************************************************
265 static inline void EDIT_EM_EmptyUndoBuffer(WND
*wnd
, EDITSTATE
*es
)
267 es
->undo_insert_count
= 0;
268 *es
->undo_text
= '\0';
272 /*********************************************************************
277 static inline void EDIT_WM_Clear(WND
*wnd
, EDITSTATE
*es
)
279 EDIT_EM_ReplaceSel(wnd
, es
, TRUE
, "");
283 /*********************************************************************
288 static inline void EDIT_WM_Cut(WND
*wnd
, EDITSTATE
*es
)
290 EDIT_WM_Copy(wnd
, es
);
291 EDIT_WM_Clear(wnd
, es
);
295 /*********************************************************************
299 * The messages are in the order of the actual integer values
300 * (which can be found in include/windows.h)
301 * Whereever possible the 16 bit versions are converted to
302 * the 32 bit ones, so that we can 'fall through' to the
303 * helper functions. These are mostly 32 bit (with a few
304 * exceptions, clearly indicated by a '16' extension to their
308 LRESULT WINAPI
EditWndProc( HWND hwnd
, UINT msg
,
309 WPARAM wParam
, LPARAM lParam
)
311 WND
*wnd
= WIN_FindWndPtr(hwnd
);
312 EDITSTATE
*es
= *(EDITSTATE
**)((wnd
)->wExtra
);
317 DPRINTF_EDIT_MSG32("WM_DESTROY");
318 EDIT_WM_Destroy(wnd
, es
);
323 DPRINTF_EDIT_MSG32("WM_NCCREATE");
324 result
= EDIT_WM_NCCreate(wnd
, (LPCREATESTRUCTA
)lParam
);
330 result
= DefWindowProcA(hwnd
, msg
, wParam
, lParam
);
335 EDIT_LockBuffer(wnd
, es
);
338 DPRINTF_EDIT_MSG16("EM_GETSEL");
343 DPRINTF_EDIT_MSG32("EM_GETSEL");
344 result
= EDIT_EM_GetSel(wnd
, es
, (LPUINT
)wParam
, (LPUINT
)lParam
);
348 DPRINTF_EDIT_MSG16("EM_SETSEL");
349 if (SLOWORD(lParam
) == -1)
350 EDIT_EM_SetSel(wnd
, es
, -1, 0, FALSE
);
352 EDIT_EM_SetSel(wnd
, es
, LOWORD(lParam
), HIWORD(lParam
), FALSE
);
354 EDIT_EM_ScrollCaret(wnd
, es
);
358 DPRINTF_EDIT_MSG32("EM_SETSEL");
359 EDIT_EM_SetSel(wnd
, es
, wParam
, lParam
, FALSE
);
364 DPRINTF_EDIT_MSG16("EM_GETRECT");
366 CONV_RECT32TO16(&es
->format_rect
, (LPRECT16
)PTR_SEG_TO_LIN(lParam
));
369 DPRINTF_EDIT_MSG32("EM_GETRECT");
371 CopyRect((LPRECT
)lParam
, &es
->format_rect
);
375 DPRINTF_EDIT_MSG16("EM_SETRECT");
376 if ((es
->style
& ES_MULTILINE
) && lParam
) {
378 CONV_RECT16TO32((LPRECT16
)PTR_SEG_TO_LIN(lParam
), &rc
);
379 EDIT_SetRectNP(wnd
, es
, &rc
);
380 InvalidateRect(wnd
->hwndSelf
, NULL
, TRUE
);
384 DPRINTF_EDIT_MSG32("EM_SETRECT");
385 if ((es
->style
& ES_MULTILINE
) && lParam
) {
386 EDIT_SetRectNP(wnd
, es
, (LPRECT
)lParam
);
387 InvalidateRect(wnd
->hwndSelf
, NULL
, TRUE
);
392 DPRINTF_EDIT_MSG16("EM_SETRECTNP");
393 if ((es
->style
& ES_MULTILINE
) && lParam
) {
395 CONV_RECT16TO32((LPRECT16
)PTR_SEG_TO_LIN(lParam
), &rc
);
396 EDIT_SetRectNP(wnd
, es
, &rc
);
400 DPRINTF_EDIT_MSG32("EM_SETRECTNP");
401 if ((es
->style
& ES_MULTILINE
) && lParam
)
402 EDIT_SetRectNP(wnd
, es
, (LPRECT
)lParam
);
406 DPRINTF_EDIT_MSG16("EM_SCROLL");
409 DPRINTF_EDIT_MSG32("EM_SCROLL");
410 result
= EDIT_EM_Scroll(wnd
, es
, (INT
)wParam
);
413 case EM_LINESCROLL16
:
414 DPRINTF_EDIT_MSG16("EM_LINESCROLL");
415 wParam
= (WPARAM
)(INT
)SHIWORD(lParam
);
416 lParam
= (LPARAM
)(INT
)SLOWORD(lParam
);
419 DPRINTF_EDIT_MSG32("EM_LINESCROLL");
420 result
= (LRESULT
)EDIT_EM_LineScroll(wnd
, es
, (INT
)wParam
, (INT
)lParam
);
423 case EM_SCROLLCARET16
:
424 DPRINTF_EDIT_MSG16("EM_SCROLLCARET");
427 DPRINTF_EDIT_MSG32("EM_SCROLLCARET");
428 EDIT_EM_ScrollCaret(wnd
, es
);
433 DPRINTF_EDIT_MSG16("EM_GETMODIFY");
436 DPRINTF_EDIT_MSG32("EM_GETMODIFY");
437 result
= ((es
->flags
& EF_MODIFIED
) != 0);
441 DPRINTF_EDIT_MSG16("EM_SETMODIFY");
444 DPRINTF_EDIT_MSG32("EM_SETMODIFY");
446 es
->flags
|= EF_MODIFIED
;
448 es
->flags
&= ~(EF_MODIFIED
| EF_UPDATE
); /* reset pending updates */
451 case EM_GETLINECOUNT16
:
452 DPRINTF_EDIT_MSG16("EM_GETLINECOUNT");
454 case EM_GETLINECOUNT
:
455 DPRINTF_EDIT_MSG32("EM_GETLINECOUNT");
456 result
= (es
->style
& ES_MULTILINE
) ? es
->line_count
: 1;
460 DPRINTF_EDIT_MSG16("EM_LINEINDEX");
461 if ((INT16
)wParam
== -1)
465 DPRINTF_EDIT_MSG32("EM_LINEINDEX");
466 result
= (LRESULT
)EDIT_EM_LineIndex(wnd
, es
, (INT
)wParam
);
470 DPRINTF_EDIT_MSG16("EM_SETHANDLE");
471 EDIT_EM_SetHandle16(wnd
, es
, (HLOCAL16
)wParam
);
474 DPRINTF_EDIT_MSG32("EM_SETHANDLE");
475 EDIT_EM_SetHandle(wnd
, es
, (HLOCAL
)wParam
);
479 DPRINTF_EDIT_MSG16("EM_GETHANDLE");
480 result
= (LRESULT
)EDIT_EM_GetHandle16(wnd
, es
);
483 DPRINTF_EDIT_MSG32("EM_GETHANDLE");
484 result
= (LRESULT
)EDIT_EM_GetHandle(wnd
, es
);
488 DPRINTF_EDIT_MSG16("EM_GETTHUMB");
491 DPRINTF_EDIT_MSG32("EM_GETTHUMB");
492 result
= EDIT_EM_GetThumb(wnd
, es
);
495 /* messages 0x00bf and 0x00c0 missing from specs */
498 DPRINTF_EDIT_MSG16("undocumented WM_USER+15, please report");
501 DPRINTF_EDIT_MSG32("undocumented 0x00bf, please report");
502 result
= DefWindowProcA(hwnd
, msg
, wParam
, lParam
);
506 DPRINTF_EDIT_MSG16("undocumented WM_USER+16, please report");
509 DPRINTF_EDIT_MSG32("undocumented 0x00c0, please report");
510 result
= DefWindowProcA(hwnd
, msg
, wParam
, lParam
);
513 case EM_LINELENGTH16
:
514 DPRINTF_EDIT_MSG16("EM_LINELENGTH");
517 DPRINTF_EDIT_MSG32("EM_LINELENGTH");
518 result
= (LRESULT
)EDIT_EM_LineLength(wnd
, es
, (INT
)wParam
);
521 case EM_REPLACESEL16
:
522 DPRINTF_EDIT_MSG16("EM_REPLACESEL");
523 lParam
= (LPARAM
)PTR_SEG_TO_LIN((SEGPTR
)lParam
);
526 DPRINTF_EDIT_MSG32("EM_REPLACESEL");
527 EDIT_EM_ReplaceSel(wnd
, es
, (BOOL
)wParam
, (LPCSTR
)lParam
);
531 /* message 0x00c3 missing from specs */
534 DPRINTF_EDIT_MSG16("undocumented WM_USER+19, please report");
537 DPRINTF_EDIT_MSG32("undocumented 0x00c3, please report");
538 result
= DefWindowProcA(hwnd
, msg
, wParam
, lParam
);
542 DPRINTF_EDIT_MSG16("EM_GETLINE");
543 lParam
= (LPARAM
)PTR_SEG_TO_LIN((SEGPTR
)lParam
);
546 DPRINTF_EDIT_MSG32("EM_GETLINE");
547 result
= (LRESULT
)EDIT_EM_GetLine(wnd
, es
, (INT
)wParam
, (LPSTR
)lParam
);
551 DPRINTF_EDIT_MSG16("EM_LIMITTEXT");
553 case EM_SETLIMITTEXT
:
554 DPRINTF_EDIT_MSG32("EM_SETLIMITTEXT");
555 EDIT_EM_SetLimitText(wnd
, es
, (INT
)wParam
);
559 DPRINTF_EDIT_MSG16("EM_CANUNDO");
562 DPRINTF_EDIT_MSG32("EM_CANUNDO");
563 result
= (LRESULT
)EDIT_EM_CanUndo(wnd
, es
);
567 DPRINTF_EDIT_MSG16("EM_UNDO");
572 DPRINTF_EDIT_MSG32("EM_UNDO / WM_UNDO");
573 result
= (LRESULT
)EDIT_EM_Undo(wnd
, es
);
577 DPRINTF_EDIT_MSG16("EM_FMTLINES");
580 DPRINTF_EDIT_MSG32("EM_FMTLINES");
581 result
= (LRESULT
)EDIT_EM_FmtLines(wnd
, es
, (BOOL
)wParam
);
584 case EM_LINEFROMCHAR16
:
585 DPRINTF_EDIT_MSG16("EM_LINEFROMCHAR");
587 case EM_LINEFROMCHAR
:
588 DPRINTF_EDIT_MSG32("EM_LINEFROMCHAR");
589 result
= (LRESULT
)EDIT_EM_LineFromChar(wnd
, es
, (INT
)wParam
);
592 /* message 0x00ca missing from specs */
595 DPRINTF_EDIT_MSG16("undocumented WM_USER+26, please report");
598 DPRINTF_EDIT_MSG32("undocumented 0x00ca, please report");
599 result
= DefWindowProcA(hwnd
, msg
, wParam
, lParam
);
602 case EM_SETTABSTOPS16
:
603 DPRINTF_EDIT_MSG16("EM_SETTABSTOPS");
604 result
= (LRESULT
)EDIT_EM_SetTabStops16(wnd
, es
, (INT
)wParam
, (LPINT16
)PTR_SEG_TO_LIN((SEGPTR
)lParam
));
607 DPRINTF_EDIT_MSG32("EM_SETTABSTOPS");
608 result
= (LRESULT
)EDIT_EM_SetTabStops(wnd
, es
, (INT
)wParam
, (LPINT
)lParam
);
611 case EM_SETPASSWORDCHAR16
:
612 DPRINTF_EDIT_MSG16("EM_SETPASSWORDCHAR");
614 case EM_SETPASSWORDCHAR
:
615 DPRINTF_EDIT_MSG32("EM_SETPASSWORDCHAR");
616 EDIT_EM_SetPasswordChar(wnd
, es
, (CHAR
)wParam
);
619 case EM_EMPTYUNDOBUFFER16
:
620 DPRINTF_EDIT_MSG16("EM_EMPTYUNDOBUFFER");
622 case EM_EMPTYUNDOBUFFER
:
623 DPRINTF_EDIT_MSG32("EM_EMPTYUNDOBUFFER");
624 EDIT_EM_EmptyUndoBuffer(wnd
, es
);
627 case EM_GETFIRSTVISIBLELINE16
:
628 DPRINTF_EDIT_MSG16("EM_GETFIRSTVISIBLELINE");
629 result
= es
->y_offset
;
631 case EM_GETFIRSTVISIBLELINE
:
632 DPRINTF_EDIT_MSG32("EM_GETFIRSTVISIBLELINE");
633 result
= (es
->style
& ES_MULTILINE
) ? es
->y_offset
: es
->x_offset
;
636 case EM_SETREADONLY16
:
637 DPRINTF_EDIT_MSG16("EM_SETREADONLY");
640 DPRINTF_EDIT_MSG32("EM_SETREADONLY");
642 wnd
->dwStyle
|= ES_READONLY
;
643 es
->style
|= ES_READONLY
;
645 wnd
->dwStyle
&= ~ES_READONLY
;
646 es
->style
&= ~ES_READONLY
;
651 case EM_SETWORDBREAKPROC16
:
652 DPRINTF_EDIT_MSG16("EM_SETWORDBREAKPROC");
653 EDIT_EM_SetWordBreakProc16(wnd
, es
, (EDITWORDBREAKPROC16
)lParam
);
655 case EM_SETWORDBREAKPROC
:
656 DPRINTF_EDIT_MSG32("EM_SETWORDBREAKPROC");
657 EDIT_EM_SetWordBreakProc(wnd
, es
, (EDITWORDBREAKPROCA
)lParam
);
660 case EM_GETWORDBREAKPROC16
:
661 DPRINTF_EDIT_MSG16("EM_GETWORDBREAKPROC");
662 result
= (LRESULT
)es
->word_break_proc16
;
664 case EM_GETWORDBREAKPROC
:
665 DPRINTF_EDIT_MSG32("EM_GETWORDBREAKPROC");
666 result
= (LRESULT
)es
->word_break_proc32A
;
669 case EM_GETPASSWORDCHAR16
:
670 DPRINTF_EDIT_MSG16("EM_GETPASSWORDCHAR");
672 case EM_GETPASSWORDCHAR
:
673 DPRINTF_EDIT_MSG32("EM_GETPASSWORDCHAR");
674 result
= es
->password_char
;
677 /* The following EM_xxx are new to win95 and don't exist for 16 bit */
680 DPRINTF_EDIT_MSG32("EM_SETMARGINS");
681 EDIT_EM_SetMargins(wnd
, es
, (INT
)wParam
, SLOWORD(lParam
), SHIWORD(lParam
));
685 DPRINTF_EDIT_MSG32("EM_GETMARGINS");
686 result
= MAKELONG(es
->left_margin
, es
->right_margin
);
689 case EM_GETLIMITTEXT
:
690 DPRINTF_EDIT_MSG32("EM_GETLIMITTEXT");
691 result
= es
->buffer_limit
;
695 DPRINTF_EDIT_MSG32("EM_POSFROMCHAR");
696 result
= EDIT_EM_PosFromChar(wnd
, es
, (INT
)wParam
, FALSE
);
700 DPRINTF_EDIT_MSG32("EM_CHARFROMPOS");
701 result
= EDIT_EM_CharFromPos(wnd
, es
, SLOWORD(lParam
), SHIWORD(lParam
));
705 DPRINTF_EDIT_MSG32("WM_GETDLGCODE");
706 result
= (es
->style
& ES_MULTILINE
) ?
707 DLGC_WANTALLKEYS
| DLGC_HASSETSEL
| DLGC_WANTCHARS
| DLGC_WANTARROWS
:
708 DLGC_HASSETSEL
| DLGC_WANTCHARS
| DLGC_WANTARROWS
;
712 DPRINTF_EDIT_MSG32("WM_CHAR");
713 EDIT_WM_Char(wnd
, es
, (CHAR
)wParam
, (DWORD
)lParam
);
717 DPRINTF_EDIT_MSG32("WM_CLEAR");
718 EDIT_WM_Clear(wnd
, es
);
722 DPRINTF_EDIT_MSG32("WM_COMMAND");
723 EDIT_WM_Command(wnd
, es
, HIWORD(wParam
), LOWORD(wParam
), (HWND
)lParam
);
727 DPRINTF_EDIT_MSG32("WM_CONTEXTMENU");
728 EDIT_WM_ContextMenu(wnd
, es
, (HWND
)wParam
, SLOWORD(lParam
), SHIWORD(lParam
));
732 DPRINTF_EDIT_MSG32("WM_COPY");
733 EDIT_WM_Copy(wnd
, es
);
737 DPRINTF_EDIT_MSG32("WM_CREATE");
738 result
= EDIT_WM_Create(wnd
, es
, (LPCREATESTRUCTA
)lParam
);
742 DPRINTF_EDIT_MSG32("WM_CUT");
743 EDIT_WM_Cut(wnd
, es
);
747 DPRINTF_EDIT_MSG32("WM_ENABLE");
748 InvalidateRect(hwnd
, NULL
, TRUE
);
752 DPRINTF_EDIT_MSG32("WM_ERASEBKGND");
753 result
= EDIT_WM_EraseBkGnd(wnd
, es
, (HDC
)wParam
);
757 DPRINTF_EDIT_MSG32("WM_GETFONT");
758 result
= (LRESULT
)es
->font
;
762 DPRINTF_EDIT_MSG32("WM_GETTEXT");
763 result
= (LRESULT
)EDIT_WM_GetText(wnd
, es
, (INT
)wParam
, (LPSTR
)lParam
);
766 case WM_GETTEXTLENGTH
:
767 DPRINTF_EDIT_MSG32("WM_GETTEXTLENGTH");
768 result
= lstrlenA(es
->text
);
772 DPRINTF_EDIT_MSG32("WM_HSCROLL");
773 result
= EDIT_WM_HScroll(wnd
, es
, LOWORD(wParam
), SHIWORD(wParam
), (HWND
)lParam
);
777 DPRINTF_EDIT_MSG32("WM_KEYDOWN");
778 result
= EDIT_WM_KeyDown(wnd
, es
, (INT
)wParam
, (DWORD
)lParam
);
782 DPRINTF_EDIT_MSG32("WM_KILLFOCUS");
783 result
= EDIT_WM_KillFocus(wnd
, es
, (HWND
)wParam
);
786 case WM_LBUTTONDBLCLK
:
787 DPRINTF_EDIT_MSG32("WM_LBUTTONDBLCLK");
788 result
= EDIT_WM_LButtonDblClk(wnd
, es
, (DWORD
)wParam
, SLOWORD(lParam
), SHIWORD(lParam
));
792 DPRINTF_EDIT_MSG32("WM_LBUTTONDOWN");
793 result
= EDIT_WM_LButtonDown(wnd
, es
, (DWORD
)wParam
, SLOWORD(lParam
), SHIWORD(lParam
));
797 DPRINTF_EDIT_MSG32("WM_LBUTTONUP");
798 result
= EDIT_WM_LButtonUp(wnd
, es
, (DWORD
)wParam
, SLOWORD(lParam
), SHIWORD(lParam
));
801 case WM_MOUSEACTIVATE
:
803 * FIXME: maybe DefWindowProc() screws up, but it seems that
804 * modalless dialog boxes need this. If we don't do this, the focus
805 * will _not_ be set by DefWindowProc() for edit controls in a
806 * modalless dialog box ???
808 DPRINTF_EDIT_MSG32("WM_MOUSEACTIVATE");
809 SetFocus(wnd
->hwndSelf
);
810 result
= MA_ACTIVATE
;
815 * DPRINTF_EDIT_MSG32("WM_MOUSEMOVE");
817 result
= EDIT_WM_MouseMove(wnd
, es
, (DWORD
)wParam
, SLOWORD(lParam
), SHIWORD(lParam
));
821 DPRINTF_EDIT_MSG32("WM_PAINT");
822 EDIT_WM_Paint(wnd
, es
);
826 DPRINTF_EDIT_MSG32("WM_PASTE");
827 EDIT_WM_Paste(wnd
, es
);
831 DPRINTF_EDIT_MSG32("WM_SETFOCUS");
832 EDIT_WM_SetFocus(wnd
, es
, (HWND
)wParam
);
836 DPRINTF_EDIT_MSG32("WM_SETFONT");
837 EDIT_WM_SetFont(wnd
, es
, (HFONT
)wParam
, LOWORD(lParam
) != 0);
841 DPRINTF_EDIT_MSG32("WM_SETTEXT");
842 EDIT_WM_SetText(wnd
, es
, (LPCSTR
)lParam
);
847 DPRINTF_EDIT_MSG32("WM_SIZE");
848 EDIT_WM_Size(wnd
, es
, (UINT
)wParam
, LOWORD(lParam
), HIWORD(lParam
));
852 DPRINTF_EDIT_MSG32("WM_SYSKEYDOWN");
853 result
= EDIT_WM_SysKeyDown(wnd
, es
, (INT
)wParam
, (DWORD
)lParam
);
857 DPRINTF_EDIT_MSG32("WM_TIMER");
858 EDIT_WM_Timer(wnd
, es
, (INT
)wParam
, (TIMERPROC
)lParam
);
862 DPRINTF_EDIT_MSG32("WM_VSCROLL");
863 result
= EDIT_WM_VScroll(wnd
, es
, LOWORD(wParam
), SHIWORD(wParam
), (HWND
)(lParam
));
867 result
= DefWindowProcA(hwnd
, msg
, wParam
, lParam
);
870 EDIT_UnlockBuffer(wnd
, es
, FALSE
);
872 WIN_ReleaseWndPtr(wnd
);
878 /*********************************************************************
880 * EDIT_BuildLineDefs_ML
882 * Build linked list of text lines.
883 * Lines can end with '\0' (last line), a character (if it is wrapped),
884 * a soft return '\r\r\n' or a hard return '\r\n'
887 static void EDIT_BuildLineDefs_ML(WND
*wnd
, EDITSTATE
*es
)
893 LINEDEF
*current_def
;
894 LINEDEF
**previous_next
;
896 current_def
= es
->first_line_def
;
898 LINEDEF
*next_def
= current_def
->next
;
899 HeapFree(es
->heap
, 0, current_def
);
900 current_def
= next_def
;
901 } while (current_def
);
905 dc
= GetDC(wnd
->hwndSelf
);
907 old_font
= SelectObject(dc
, es
->font
);
909 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
911 previous_next
= &es
->first_line_def
;
913 current_def
= HeapAlloc(es
->heap
, 0, sizeof(LINEDEF
));
914 current_def
->next
= NULL
;
917 if ((*cp
== '\r') && (*(cp
+ 1) == '\n'))
922 current_def
->ending
= END_0
;
923 current_def
->net_length
= lstrlenA(start
);
924 } else if ((cp
> start
) && (*(cp
- 1) == '\r')) {
925 current_def
->ending
= END_SOFT
;
926 current_def
->net_length
= cp
- start
- 1;
928 current_def
->ending
= END_HARD
;
929 current_def
->net_length
= cp
- start
;
931 current_def
->width
= (INT
)LOWORD(GetTabbedTextExtentA(dc
,
932 start
, current_def
->net_length
,
933 es
->tabs_count
, es
->tabs
));
934 /* FIXME: check here for lines that are too wide even in AUTOHSCROLL (> 32767 ???) */
935 if ((!(es
->style
& ES_AUTOHSCROLL
)) && (current_def
->width
> fw
)) {
940 next
= EDIT_CallWordBreakProc(wnd
, es
, start
- es
->text
,
941 prev
+ 1, current_def
->net_length
, WB_RIGHT
);
942 current_def
->width
= (INT
)LOWORD(GetTabbedTextExtentA(dc
,
943 start
, next
, es
->tabs_count
, es
->tabs
));
944 } while (current_def
->width
<= fw
);
950 current_def
->width
= (INT
)LOWORD(GetTabbedTextExtentA(dc
,
951 start
, next
, es
->tabs_count
, es
->tabs
));
952 } while (current_def
->width
<= fw
);
956 current_def
->net_length
= prev
;
957 current_def
->ending
= END_WRAP
;
958 current_def
->width
= (INT
)LOWORD(GetTabbedTextExtentA(dc
, start
,
959 current_def
->net_length
, es
->tabs_count
, es
->tabs
));
961 switch (current_def
->ending
) {
963 current_def
->length
= current_def
->net_length
+ 3;
966 current_def
->length
= current_def
->net_length
+ 2;
970 current_def
->length
= current_def
->net_length
;
973 es
->text_width
= MAX(es
->text_width
, current_def
->width
);
974 start
+= current_def
->length
;
975 *previous_next
= current_def
;
976 previous_next
= ¤t_def
->next
;
978 } while (current_def
->ending
!= END_0
);
980 SelectObject(dc
, old_font
);
981 ReleaseDC(wnd
->hwndSelf
, dc
);
985 /*********************************************************************
987 * EDIT_CallWordBreakProc
989 * Call appropriate WordBreakProc (internal or external).
991 * Note: The "start" argument should always be an index refering
992 * to es->text. The actual wordbreak proc might be
993 * 16 bit, so we can't always pass any 32 bit LPSTR.
994 * Hence we assume that es->text is the buffer that holds
995 * the string under examination (we can decide this for ourselves).
998 static INT
EDIT_CallWordBreakProc(WND
*wnd
, EDITSTATE
*es
, INT start
, INT index
, INT count
, INT action
)
1000 if (es
->word_break_proc16
) {
1001 HLOCAL16 hloc16
= EDIT_EM_GetHandle16(wnd
, es
);
1002 SEGPTR segptr
= LocalLock16(hloc16
);
1003 INT ret
= (INT
)Callbacks
->CallWordBreakProc(es
->word_break_proc16
,
1004 segptr
+ start
, index
, count
, action
);
1005 LocalUnlock16(hloc16
);
1008 else if (es
->word_break_proc32A
)
1010 TRACE_(relay
)("(wordbrk=%p,str='%s',idx=%d,cnt=%d,act=%d)\n",
1011 es
->word_break_proc32A
, es
->text
+ start
, index
,
1013 return (INT
)es
->word_break_proc32A( es
->text
+ start
, index
,
1017 return EDIT_WordBreakProc(es
->text
+ start
, index
, count
, action
);
1021 /*********************************************************************
1025 * Beware: This is not the function called on EM_CHARFROMPOS
1026 * The position _can_ be outside the formatting / client
1028 * The return value is only the character index
1031 static INT
EDIT_CharFromPos(WND
*wnd
, EDITSTATE
*es
, INT x
, INT y
, LPBOOL after_wrap
)
1037 if (es
->style
& ES_MULTILINE
) {
1038 INT line
= (y
- es
->format_rect
.top
) / es
->line_height
+ es
->y_offset
;
1040 LINEDEF
*line_def
= es
->first_line_def
;
1042 while ((line
> 0) && line_def
->next
) {
1043 line_index
+= line_def
->length
;
1044 line_def
= line_def
->next
;
1047 x
+= es
->x_offset
- es
->format_rect
.left
;
1048 if (x
>= line_def
->width
) {
1050 *after_wrap
= (line_def
->ending
== END_WRAP
);
1051 return line_index
+ line_def
->net_length
;
1055 *after_wrap
= FALSE
;
1058 dc
= GetDC(wnd
->hwndSelf
);
1060 old_font
= SelectObject(dc
, es
->font
);
1061 low
= line_index
+ 1;
1062 high
= line_index
+ line_def
->net_length
+ 1;
1063 while (low
< high
- 1)
1065 INT mid
= (low
+ high
) / 2;
1066 if (LOWORD(GetTabbedTextExtentA(dc
, es
->text
+ line_index
,mid
- line_index
, es
->tabs_count
, es
->tabs
)) > x
) high
= mid
;
1072 *after_wrap
= ((index
== line_index
+ line_def
->net_length
) &&
1073 (line_def
->ending
== END_WRAP
));
1078 *after_wrap
= FALSE
;
1079 x
-= es
->format_rect
.left
;
1081 return es
->x_offset
;
1082 text
= EDIT_GetPasswordPointer_SL(wnd
, es
);
1083 dc
= GetDC(wnd
->hwndSelf
);
1085 old_font
= SelectObject(dc
, es
->font
);
1089 INT high
= es
->x_offset
;
1090 while (low
< high
- 1)
1092 INT mid
= (low
+ high
) / 2;
1093 GetTextExtentPoint32A( dc
, text
+ mid
,
1094 es
->x_offset
- mid
, &size
);
1095 if (size
.cx
> -x
) low
= mid
;
1102 INT low
= es
->x_offset
;
1103 INT high
= lstrlenA(es
->text
) + 1;
1104 while (low
< high
- 1)
1106 INT mid
= (low
+ high
) / 2;
1107 GetTextExtentPoint32A( dc
, text
+ es
->x_offset
,
1108 mid
- es
->x_offset
, &size
);
1109 if (size
.cx
> x
) high
= mid
;
1114 if (es
->style
& ES_PASSWORD
)
1115 HeapFree(es
->heap
, 0 ,text
);
1118 SelectObject(dc
, old_font
);
1119 ReleaseDC(wnd
->hwndSelf
, dc
);
1124 /*********************************************************************
1128 * adjusts the point to be within the formatting rectangle
1129 * (so CharFromPos returns the nearest _visible_ character)
1132 static void EDIT_ConfinePoint(WND
*wnd
, EDITSTATE
*es
, LPINT x
, LPINT y
)
1134 *x
= MIN(MAX(*x
, es
->format_rect
.left
), es
->format_rect
.right
- 1);
1135 *y
= MIN(MAX(*y
, es
->format_rect
.top
), es
->format_rect
.bottom
- 1);
1139 /*********************************************************************
1143 * Calculates the bounding rectangle for a line from a starting
1144 * column to an ending column.
1147 static void EDIT_GetLineRect(WND
*wnd
, EDITSTATE
*es
, INT line
, INT scol
, INT ecol
, LPRECT rc
)
1149 INT line_index
= EDIT_EM_LineIndex(wnd
, es
, line
);
1151 if (es
->style
& ES_MULTILINE
)
1152 rc
->top
= es
->format_rect
.top
+ (line
- es
->y_offset
) * es
->line_height
;
1154 rc
->top
= es
->format_rect
.top
;
1155 rc
->bottom
= rc
->top
+ es
->line_height
;
1156 rc
->left
= (scol
== 0) ? es
->format_rect
.left
: SLOWORD(EDIT_EM_PosFromChar(wnd
, es
, line_index
+ scol
, TRUE
));
1157 rc
->right
= (ecol
== -1) ? es
->format_rect
.right
: SLOWORD(EDIT_EM_PosFromChar(wnd
, es
, line_index
+ ecol
, TRUE
));
1161 /*********************************************************************
1163 * EDIT_GetPasswordPointer_SL
1165 * note: caller should free the (optionally) allocated buffer
1168 static LPSTR
EDIT_GetPasswordPointer_SL(WND
*wnd
, EDITSTATE
*es
)
1170 if (es
->style
& ES_PASSWORD
) {
1171 INT len
= lstrlenA(es
->text
);
1172 LPSTR text
= HeapAlloc(es
->heap
, 0, len
+ 1);
1173 RtlFillMemory(text
, len
, es
->password_char
);
1181 /*********************************************************************
1185 * This acts as a LOCAL_Lock(), but it locks only once. This way
1186 * you can call it whenever you like, without unlocking.
1189 static void EDIT_LockBuffer(WND
*wnd
, EDITSTATE
*es
)
1192 ERR_(edit
)("no EDITSTATE ... please report\n");
1195 if (!(es
->style
& ES_MULTILINE
))
1199 es
->text
= LocalLock(es
->hloc32
);
1200 else if (es
->hloc16
)
1201 es
->text
= LOCAL_Lock(wnd
->hInstance
, es
->hloc16
);
1203 ERR_(edit
)("no buffer ... please report\n");
1211 /*********************************************************************
1213 * EDIT_SL_InvalidateText
1215 * Called from EDIT_InvalidateText().
1216 * Does the job for single-line controls only.
1219 static void EDIT_SL_InvalidateText(WND
*wnd
, EDITSTATE
*es
, INT start
, INT end
)
1224 EDIT_GetLineRect(wnd
, es
, 0, start
, end
, &line_rect
);
1225 if (IntersectRect(&rc
, &line_rect
, &es
->format_rect
))
1226 InvalidateRect(wnd
->hwndSelf
, &rc
, FALSE
);
1230 /*********************************************************************
1232 * EDIT_ML_InvalidateText
1234 * Called from EDIT_InvalidateText().
1235 * Does the job for multi-line controls only.
1238 static void EDIT_ML_InvalidateText(WND
*wnd
, EDITSTATE
*es
, INT start
, INT end
)
1240 INT vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
1241 INT sl
= EDIT_EM_LineFromChar(wnd
, es
, start
);
1242 INT el
= EDIT_EM_LineFromChar(wnd
, es
, end
);
1251 if ((el
< es
->y_offset
) || (sl
> es
->y_offset
+ vlc
))
1254 sc
= start
- EDIT_EM_LineIndex(wnd
, es
, sl
);
1255 ec
= end
- EDIT_EM_LineIndex(wnd
, es
, el
);
1256 if (sl
< es
->y_offset
) {
1260 if (el
> es
->y_offset
+ vlc
) {
1261 el
= es
->y_offset
+ vlc
;
1262 ec
= EDIT_EM_LineLength(wnd
, es
, EDIT_EM_LineIndex(wnd
, es
, el
));
1264 GetClientRect(wnd
->hwndSelf
, &rc1
);
1265 IntersectRect(&rcWnd
, &rc1
, &es
->format_rect
);
1267 EDIT_GetLineRect(wnd
, es
, sl
, sc
, ec
, &rcLine
);
1268 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1269 InvalidateRect(wnd
->hwndSelf
, &rcUpdate
, FALSE
);
1271 EDIT_GetLineRect(wnd
, es
, sl
, sc
,
1272 EDIT_EM_LineLength(wnd
, es
,
1273 EDIT_EM_LineIndex(wnd
, es
, sl
)),
1275 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1276 InvalidateRect(wnd
->hwndSelf
, &rcUpdate
, FALSE
);
1277 for (l
= sl
+ 1 ; l
< el
; l
++) {
1278 EDIT_GetLineRect(wnd
, es
, l
, 0,
1279 EDIT_EM_LineLength(wnd
, es
,
1280 EDIT_EM_LineIndex(wnd
, es
, l
)),
1282 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1283 InvalidateRect(wnd
->hwndSelf
, &rcUpdate
, FALSE
);
1285 EDIT_GetLineRect(wnd
, es
, el
, 0, ec
, &rcLine
);
1286 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1287 InvalidateRect(wnd
->hwndSelf
, &rcUpdate
, FALSE
);
1292 /*********************************************************************
1294 * EDIT_InvalidateText
1296 * Invalidate the text from offset start upto, but not including,
1297 * offset end. Useful for (re)painting the selection.
1298 * Regions outside the linewidth are not invalidated.
1299 * end == -1 means end == TextLength.
1300 * start and end need not be ordered.
1303 static void EDIT_InvalidateText(WND
*wnd
, EDITSTATE
*es
, INT start
, INT end
)
1309 end
= lstrlenA(es
->text
);
1311 ORDER_INT(start
, end
);
1313 if (es
->style
& ES_MULTILINE
)
1314 EDIT_ML_InvalidateText(wnd
, es
, start
, end
);
1316 EDIT_SL_InvalidateText(wnd
, es
, start
, end
);
1320 /*********************************************************************
1324 * Try to fit size + 1 bytes in the buffer. Constrain to limits.
1327 static BOOL
EDIT_MakeFit(WND
*wnd
, EDITSTATE
*es
, INT size
)
1332 if (size
<= es
->buffer_size
)
1334 if (size
> es
->buffer_limit
) {
1335 EDIT_NOTIFY_PARENT(wnd
, EN_MAXTEXT
, "EN_MAXTEXT");
1338 size
= ((size
/ GROWLENGTH
) + 1) * GROWLENGTH
;
1339 if (size
> es
->buffer_limit
)
1340 size
= es
->buffer_limit
;
1342 TRACE_(edit
)("trying to ReAlloc to %d+1\n", size
);
1344 EDIT_UnlockBuffer(wnd
, es
, TRUE
);
1346 if ((es
->text
= HeapReAlloc(es
->heap
, 0, es
->text
, size
+ 1)))
1347 es
->buffer_size
= MIN(HeapSize(es
->heap
, 0, es
->text
) - 1, es
->buffer_limit
);
1349 es
->buffer_size
= 0;
1350 } else if (es
->hloc32
) {
1351 if ((hNew32
= LocalReAlloc(es
->hloc32
, size
+ 1, 0))) {
1352 TRACE_(edit
)("Old 32 bit handle %08x, new handle %08x\n", es
->hloc32
, hNew32
);
1353 es
->hloc32
= hNew32
;
1354 es
->buffer_size
= MIN(LocalSize(es
->hloc32
) - 1, es
->buffer_limit
);
1356 } else if (es
->hloc16
) {
1357 if ((hNew16
= LOCAL_ReAlloc(wnd
->hInstance
, es
->hloc16
, size
+ 1, LMEM_MOVEABLE
))) {
1358 TRACE_(edit
)("Old 16 bit handle %08x, new handle %08x\n", es
->hloc16
, hNew16
);
1359 es
->hloc16
= hNew16
;
1360 es
->buffer_size
= MIN(LOCAL_Size(wnd
->hInstance
, es
->hloc16
) - 1, es
->buffer_limit
);
1363 if (es
->buffer_size
< size
) {
1364 EDIT_LockBuffer(wnd
, es
);
1365 WARN_(edit
)("FAILED ! We now have %d+1\n", es
->buffer_size
);
1366 EDIT_NOTIFY_PARENT(wnd
, EN_ERRSPACE
, "EN_ERRSPACE");
1369 EDIT_LockBuffer(wnd
, es
);
1370 TRACE_(edit
)("We now have %d+1\n", es
->buffer_size
);
1376 /*********************************************************************
1380 * Try to fit size + 1 bytes in the undo buffer.
1383 static BOOL
EDIT_MakeUndoFit(WND
*wnd
, EDITSTATE
*es
, INT size
)
1385 if (size
<= es
->undo_buffer_size
)
1387 size
= ((size
/ GROWLENGTH
) + 1) * GROWLENGTH
;
1389 TRACE_(edit
)("trying to ReAlloc to %d+1\n", size
);
1391 if ((es
->undo_text
= HeapReAlloc(es
->heap
, 0, es
->undo_text
, size
+ 1))) {
1392 es
->undo_buffer_size
= HeapSize(es
->heap
, 0, es
->undo_text
) - 1;
1393 if (es
->undo_buffer_size
< size
) {
1394 WARN_(edit
)("FAILED ! We now have %d+1\n", es
->undo_buffer_size
);
1403 /*********************************************************************
1408 static void EDIT_MoveBackward(WND
*wnd
, EDITSTATE
*es
, BOOL extend
)
1410 INT e
= es
->selection_end
;
1414 if ((es
->style
& ES_MULTILINE
) && e
&&
1415 (es
->text
[e
- 1] == '\r') && (es
->text
[e
] == '\n')) {
1417 if (e
&& (es
->text
[e
- 1] == '\r'))
1421 EDIT_EM_SetSel(wnd
, es
, extend
? es
->selection_start
: e
, e
, FALSE
);
1422 EDIT_EM_ScrollCaret(wnd
, es
);
1426 /*********************************************************************
1430 * Only for multi line controls
1431 * Move the caret one line down, on a column with the nearest
1432 * x coordinate on the screen (might be a different column).
1435 static void EDIT_MoveDown_ML(WND
*wnd
, EDITSTATE
*es
, BOOL extend
)
1437 INT s
= es
->selection_start
;
1438 INT e
= es
->selection_end
;
1439 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
1440 LRESULT pos
= EDIT_EM_PosFromChar(wnd
, es
, e
, after_wrap
);
1441 INT x
= SLOWORD(pos
);
1442 INT y
= SHIWORD(pos
);
1444 e
= EDIT_CharFromPos(wnd
, es
, x
, y
+ es
->line_height
, &after_wrap
);
1447 EDIT_EM_SetSel(wnd
, es
, s
, e
, after_wrap
);
1448 EDIT_EM_ScrollCaret(wnd
, es
);
1452 /*********************************************************************
1457 static void EDIT_MoveEnd(WND
*wnd
, EDITSTATE
*es
, BOOL extend
)
1459 BOOL after_wrap
= FALSE
;
1462 if (es
->style
& ES_MULTILINE
)
1463 e
= EDIT_CharFromPos(wnd
, es
, 0x7fffffff,
1464 HIWORD(EDIT_EM_PosFromChar(wnd
, es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
)), &after_wrap
);
1466 e
= lstrlenA(es
->text
);
1467 EDIT_EM_SetSel(wnd
, es
, extend
? es
->selection_start
: e
, e
, after_wrap
);
1468 EDIT_EM_ScrollCaret(wnd
, es
);
1472 /*********************************************************************
1477 static void EDIT_MoveForward(WND
*wnd
, EDITSTATE
*es
, BOOL extend
)
1479 INT e
= es
->selection_end
;
1483 if ((es
->style
& ES_MULTILINE
) && (es
->text
[e
- 1] == '\r')) {
1484 if (es
->text
[e
] == '\n')
1486 else if ((es
->text
[e
] == '\r') && (es
->text
[e
+ 1] == '\n'))
1490 EDIT_EM_SetSel(wnd
, es
, extend
? es
->selection_start
: e
, e
, FALSE
);
1491 EDIT_EM_ScrollCaret(wnd
, es
);
1495 /*********************************************************************
1499 * Home key: move to beginning of line.
1502 static void EDIT_MoveHome(WND
*wnd
, EDITSTATE
*es
, BOOL extend
)
1506 if (es
->style
& ES_MULTILINE
)
1507 e
= EDIT_CharFromPos(wnd
, es
, 0x80000000,
1508 HIWORD(EDIT_EM_PosFromChar(wnd
, es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
)), NULL
);
1511 EDIT_EM_SetSel(wnd
, es
, e
, extend
? es
->selection_start
: e
, FALSE
);
1512 EDIT_EM_ScrollCaret(wnd
, es
);
1516 /*********************************************************************
1518 * EDIT_MovePageDown_ML
1520 * Only for multi line controls
1521 * Move the caret one page down, on a column with the nearest
1522 * x coordinate on the screen (might be a different column).
1525 static void EDIT_MovePageDown_ML(WND
*wnd
, EDITSTATE
*es
, BOOL extend
)
1527 INT s
= es
->selection_start
;
1528 INT e
= es
->selection_end
;
1529 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
1530 LRESULT pos
= EDIT_EM_PosFromChar(wnd
, es
, e
, after_wrap
);
1531 INT x
= SLOWORD(pos
);
1532 INT y
= SHIWORD(pos
);
1534 e
= EDIT_CharFromPos(wnd
, es
, x
,
1535 y
+ (es
->format_rect
.bottom
- es
->format_rect
.top
),
1539 EDIT_EM_SetSel(wnd
, es
, s
, e
, after_wrap
);
1540 EDIT_EM_ScrollCaret(wnd
, es
);
1544 /*********************************************************************
1546 * EDIT_MovePageUp_ML
1548 * Only for multi line controls
1549 * Move the caret one page up, on a column with the nearest
1550 * x coordinate on the screen (might be a different column).
1553 static void EDIT_MovePageUp_ML(WND
*wnd
, EDITSTATE
*es
, BOOL extend
)
1555 INT s
= es
->selection_start
;
1556 INT e
= es
->selection_end
;
1557 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
1558 LRESULT pos
= EDIT_EM_PosFromChar(wnd
, es
, e
, after_wrap
);
1559 INT x
= SLOWORD(pos
);
1560 INT y
= SHIWORD(pos
);
1562 e
= EDIT_CharFromPos(wnd
, es
, x
,
1563 y
- (es
->format_rect
.bottom
- es
->format_rect
.top
),
1567 EDIT_EM_SetSel(wnd
, es
, s
, e
, after_wrap
);
1568 EDIT_EM_ScrollCaret(wnd
, es
);
1572 /*********************************************************************
1576 * Only for multi line controls
1577 * Move the caret one line up, on a column with the nearest
1578 * x coordinate on the screen (might be a different column).
1581 static void EDIT_MoveUp_ML(WND
*wnd
, EDITSTATE
*es
, BOOL extend
)
1583 INT s
= es
->selection_start
;
1584 INT e
= es
->selection_end
;
1585 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
1586 LRESULT pos
= EDIT_EM_PosFromChar(wnd
, es
, e
, after_wrap
);
1587 INT x
= SLOWORD(pos
);
1588 INT y
= SHIWORD(pos
);
1590 e
= EDIT_CharFromPos(wnd
, es
, x
, y
- es
->line_height
, &after_wrap
);
1593 EDIT_EM_SetSel(wnd
, es
, s
, e
, after_wrap
);
1594 EDIT_EM_ScrollCaret(wnd
, es
);
1598 /*********************************************************************
1600 * EDIT_MoveWordBackward
1603 static void EDIT_MoveWordBackward(WND
*wnd
, EDITSTATE
*es
, BOOL extend
)
1605 INT s
= es
->selection_start
;
1606 INT e
= es
->selection_end
;
1611 l
= EDIT_EM_LineFromChar(wnd
, es
, e
);
1612 ll
= EDIT_EM_LineLength(wnd
, es
, e
);
1613 li
= EDIT_EM_LineIndex(wnd
, es
, l
);
1616 li
= EDIT_EM_LineIndex(wnd
, es
, l
- 1);
1617 e
= li
+ EDIT_EM_LineLength(wnd
, es
, li
);
1620 e
= li
+ (INT
)EDIT_CallWordBreakProc(wnd
, es
,
1621 li
, e
- li
, ll
, WB_LEFT
);
1625 EDIT_EM_SetSel(wnd
, es
, s
, e
, FALSE
);
1626 EDIT_EM_ScrollCaret(wnd
, es
);
1630 /*********************************************************************
1632 * EDIT_MoveWordForward
1635 static void EDIT_MoveWordForward(WND
*wnd
, EDITSTATE
*es
, BOOL extend
)
1637 INT s
= es
->selection_start
;
1638 INT e
= es
->selection_end
;
1643 l
= EDIT_EM_LineFromChar(wnd
, es
, e
);
1644 ll
= EDIT_EM_LineLength(wnd
, es
, e
);
1645 li
= EDIT_EM_LineIndex(wnd
, es
, l
);
1647 if ((es
->style
& ES_MULTILINE
) && (l
!= es
->line_count
- 1))
1648 e
= EDIT_EM_LineIndex(wnd
, es
, l
+ 1);
1650 e
= li
+ EDIT_CallWordBreakProc(wnd
, es
,
1651 li
, e
- li
+ 1, ll
, WB_RIGHT
);
1655 EDIT_EM_SetSel(wnd
, es
, s
, e
, FALSE
);
1656 EDIT_EM_ScrollCaret(wnd
, es
);
1660 /*********************************************************************
1665 static void EDIT_PaintLine(WND
*wnd
, EDITSTATE
*es
, HDC dc
, INT line
, BOOL rev
)
1667 INT s
= es
->selection_start
;
1668 INT e
= es
->selection_end
;
1675 if (es
->style
& ES_MULTILINE
) {
1676 INT vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
1677 if ((line
< es
->y_offset
) || (line
> es
->y_offset
+ vlc
) || (line
>= es
->line_count
))
1682 TRACE_(edit
)("line=%d\n", line
);
1684 pos
= EDIT_EM_PosFromChar(wnd
, es
, EDIT_EM_LineIndex(wnd
, es
, line
), FALSE
);
1687 li
= EDIT_EM_LineIndex(wnd
, es
, line
);
1688 ll
= EDIT_EM_LineLength(wnd
, es
, li
);
1689 s
= es
->selection_start
;
1690 e
= es
->selection_end
;
1692 s
= MIN(li
+ ll
, MAX(li
, s
));
1693 e
= MIN(li
+ ll
, MAX(li
, e
));
1694 if (rev
&& (s
!= e
) &&
1695 ((es
->flags
& EF_FOCUSED
) || (es
->style
& ES_NOHIDESEL
))) {
1696 x
+= EDIT_PaintText(wnd
, es
, dc
, x
, y
, line
, 0, s
- li
, FALSE
);
1697 x
+= EDIT_PaintText(wnd
, es
, dc
, x
, y
, line
, s
- li
, e
- s
, TRUE
);
1698 x
+= EDIT_PaintText(wnd
, es
, dc
, x
, y
, line
, e
- li
, li
+ ll
- e
, FALSE
);
1700 x
+= EDIT_PaintText(wnd
, es
, dc
, x
, y
, line
, 0, ll
, FALSE
);
1704 /*********************************************************************
1709 static INT
EDIT_PaintText(WND
*wnd
, EDITSTATE
*es
, HDC dc
, INT x
, INT y
, INT line
, INT col
, INT count
, BOOL rev
)
1719 BkColor
= GetBkColor(dc
);
1720 TextColor
= GetTextColor(dc
);
1722 SetBkColor(dc
, GetSysColor(COLOR_HIGHLIGHT
));
1723 SetTextColor(dc
, GetSysColor(COLOR_HIGHLIGHTTEXT
));
1725 li
= EDIT_EM_LineIndex(wnd
, es
, line
);
1726 if (es
->style
& ES_MULTILINE
) {
1727 ret
= (INT
)LOWORD(TabbedTextOutA(dc
, x
, y
, es
->text
+ li
+ col
, count
,
1728 es
->tabs_count
, es
->tabs
, es
->format_rect
.left
- es
->x_offset
));
1730 LPSTR text
= EDIT_GetPasswordPointer_SL(wnd
, es
);
1731 TextOutA(dc
, x
, y
, text
+ li
+ col
, count
);
1732 GetTextExtentPoint32A(dc
, text
+ li
+ col
, count
, &size
);
1734 if (es
->style
& ES_PASSWORD
)
1735 HeapFree(es
->heap
, 0, text
);
1738 SetBkColor(dc
, BkColor
);
1739 SetTextColor(dc
, TextColor
);
1745 /*********************************************************************
1750 static void EDIT_SetCaretPos(WND
*wnd
, EDITSTATE
*es
, INT pos
,
1753 LRESULT res
= EDIT_EM_PosFromChar(wnd
, es
, pos
, after_wrap
);
1754 INT x
= SLOWORD(res
);
1755 INT y
= SHIWORD(res
);
1757 if(x
< es
->format_rect
.left
)
1758 x
= es
->format_rect
.left
;
1759 if(x
> es
->format_rect
.right
- 2)
1760 x
= es
->format_rect
.right
- 2;
1761 if(y
> es
->format_rect
.bottom
)
1762 y
= es
->format_rect
.bottom
;
1763 if(y
< es
->format_rect
.top
)
1764 y
= es
->format_rect
.top
;
1770 /*********************************************************************
1774 * note: this is not (exactly) the handler called on EM_SETRECTNP
1775 * it is also used to set the rect of a single line control
1778 static void EDIT_SetRectNP(WND
*wnd
, EDITSTATE
*es
, LPRECT rc
)
1780 CopyRect(&es
->format_rect
, rc
);
1781 if (es
->style
& WS_BORDER
) {
1782 INT bw
= GetSystemMetrics(SM_CXBORDER
) + 1;
1783 if(TWEAK_WineLook
== WIN31_LOOK
)
1785 es
->format_rect
.left
+= bw
;
1786 es
->format_rect
.top
+= bw
;
1787 es
->format_rect
.right
-= bw
;
1788 es
->format_rect
.bottom
-= bw
;
1790 es
->format_rect
.left
+= es
->left_margin
;
1791 es
->format_rect
.right
-= es
->right_margin
;
1792 es
->format_rect
.right
= MAX(es
->format_rect
.right
, es
->format_rect
.left
+ es
->char_width
);
1793 if (es
->style
& ES_MULTILINE
)
1794 es
->format_rect
.bottom
= es
->format_rect
.top
+
1795 MAX(1, (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
) * es
->line_height
;
1797 es
->format_rect
.bottom
= es
->format_rect
.top
+ es
->line_height
;
1798 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_AUTOHSCROLL
))
1799 EDIT_BuildLineDefs_ML(wnd
, es
);
1803 /*********************************************************************
1808 static void EDIT_UnlockBuffer(WND
*wnd
, EDITSTATE
*es
, BOOL force
)
1811 ERR_(edit
)("no EDITSTATE ... please report\n");
1814 if (!(es
->style
& ES_MULTILINE
))
1816 if (!es
->lock_count
) {
1817 ERR_(edit
)("lock_count == 0 ... please report\n");
1821 ERR_(edit
)("es->text == 0 ... please report\n");
1824 if (force
|| (es
->lock_count
== 1)) {
1826 LocalUnlock(es
->hloc32
);
1828 } else if (es
->hloc16
) {
1829 LOCAL_Unlock(wnd
->hInstance
, es
->hloc16
);
1837 /*********************************************************************
1839 * EDIT_WordBreakProc
1841 * Find the beginning of words.
1842 * Note: unlike the specs for a WordBreakProc, this function only
1843 * allows to be called without linebreaks between s[0] upto
1844 * s[count - 1]. Remember it is only called
1845 * internally, so we can decide this for ourselves.
1848 static INT
EDIT_WordBreakProc(LPSTR s
, INT index
, INT count
, INT action
)
1852 TRACE_(edit
)("s=%p, index=%u, count=%u, action=%d\n",
1853 s
, index
, count
, action
);
1861 if (s
[index
] == ' ') {
1862 while (index
&& (s
[index
] == ' '))
1865 while (index
&& (s
[index
] != ' '))
1867 if (s
[index
] == ' ')
1871 while (index
&& (s
[index
] != ' '))
1873 if (s
[index
] == ' ')
1883 if (s
[index
] == ' ')
1884 while ((index
< count
) && (s
[index
] == ' ')) index
++;
1886 while (s
[index
] && (s
[index
] != ' ') && (index
< count
))
1888 while ((s
[index
] == ' ') && (index
< count
)) index
++;
1892 case WB_ISDELIMITER
:
1893 ret
= (s
[index
] == ' ');
1896 ERR_(edit
)("unknown action code, please report !\n");
1903 /*********************************************************************
1907 * returns line number (not index) in high-order word of result.
1908 * NB : Q137805 is unclear about this. POINT * pointer in lParam apply
1909 * to Richedit, not to the edit control. Original documentation is valid.
1910 * FIXME: do the specs mean to return -1 if outside client area or
1911 * if outside formatting rectangle ???
1914 static LRESULT
EDIT_EM_CharFromPos(WND
*wnd
, EDITSTATE
*es
, INT x
, INT y
)
1922 GetClientRect(wnd
->hwndSelf
, &rc
);
1923 if (!PtInRect(&rc
, pt
))
1926 index
= EDIT_CharFromPos(wnd
, es
, x
, y
, NULL
);
1927 return MAKELONG(index
, EDIT_EM_LineFromChar(wnd
, es
, index
));
1931 /*********************************************************************
1935 * Enable or disable soft breaks.
1937 static BOOL
EDIT_EM_FmtLines(WND
*wnd
, EDITSTATE
*es
, BOOL add_eol
)
1939 es
->flags
&= ~EF_USE_SOFTBRK
;
1941 es
->flags
|= EF_USE_SOFTBRK
;
1942 FIXME_(edit
)("soft break enabled, not implemented\n");
1948 /*********************************************************************
1952 * Hopefully this won't fire back at us.
1953 * We always start with a fixed buffer in our own heap.
1954 * However, with this message a 32 bit application requests
1955 * a handle to 32 bit moveable local heap memory, where it expects
1957 * It's a pity that from this moment on we have to use this
1958 * local heap, because applications may rely on the handle
1961 * In this function we'll try to switch to local heap.
1964 static HLOCAL
EDIT_EM_GetHandle(WND
*wnd
, EDITSTATE
*es
)
1970 if (!(es
->style
& ES_MULTILINE
))
1975 else if (es
->hloc16
)
1976 return (HLOCAL
)es
->hloc16
;
1978 if (!(newBuf
= LocalAlloc(LMEM_MOVEABLE
, lstrlenA(es
->text
) + 1))) {
1979 ERR_(edit
)("could not allocate new 32 bit buffer\n");
1982 newSize
= MIN(LocalSize(newBuf
) - 1, es
->buffer_limit
);
1983 if (!(newText
= LocalLock(newBuf
))) {
1984 ERR_(edit
)("could not lock new 32 bit buffer\n");
1988 lstrcpyA(newText
, es
->text
);
1989 EDIT_UnlockBuffer(wnd
, es
, TRUE
);
1991 HeapFree(es
->heap
, 0, es
->text
);
1992 es
->hloc32
= newBuf
;
1993 es
->hloc16
= (HLOCAL16
)NULL
;
1994 es
->buffer_size
= newSize
;
1996 EDIT_LockBuffer(wnd
, es
);
1997 TRACE_(edit
)("switched to 32 bit local heap\n");
2003 /*********************************************************************
2007 * Hopefully this won't fire back at us.
2008 * We always start with a buffer in 32 bit linear memory.
2009 * However, with this message a 16 bit application requests
2010 * a handle of 16 bit local heap memory, where it expects to find
2012 * It's a pitty that from this moment on we have to use this
2013 * local heap, because applications may rely on the handle
2016 * In this function we'll try to switch to local heap.
2018 static HLOCAL16
EDIT_EM_GetHandle16(WND
*wnd
, EDITSTATE
*es
)
2024 if (!(es
->style
& ES_MULTILINE
))
2030 if (!LOCAL_HeapSize(wnd
->hInstance
)) {
2031 if (!LocalInit16(wnd
->hInstance
, 0,
2032 GlobalSize16(wnd
->hInstance
))) {
2033 ERR_(edit
)("could not initialize local heap\n");
2036 TRACE_(edit
)("local heap initialized\n");
2038 if (!(newBuf
= LOCAL_Alloc(wnd
->hInstance
, LMEM_MOVEABLE
, lstrlenA(es
->text
) + 1))) {
2039 ERR_(edit
)("could not allocate new 16 bit buffer\n");
2042 newSize
= MIN(LOCAL_Size(wnd
->hInstance
, newBuf
) - 1, es
->buffer_limit
);
2043 if (!(newText
= LOCAL_Lock(wnd
->hInstance
, newBuf
))) {
2044 ERR_(edit
)("could not lock new 16 bit buffer\n");
2045 LOCAL_Free(wnd
->hInstance
, newBuf
);
2048 lstrcpyA(newText
, es
->text
);
2049 EDIT_UnlockBuffer(wnd
, es
, TRUE
);
2051 HeapFree(es
->heap
, 0, es
->text
);
2052 else if (es
->hloc32
) {
2053 while (LocalFree(es
->hloc32
)) ;
2054 LocalFree(es
->hloc32
);
2056 es
->hloc32
= (HLOCAL
)NULL
;
2057 es
->hloc16
= newBuf
;
2058 es
->buffer_size
= newSize
;
2060 EDIT_LockBuffer(wnd
, es
);
2061 TRACE_(edit
)("switched to 16 bit buffer\n");
2067 /*********************************************************************
2072 static INT
EDIT_EM_GetLine(WND
*wnd
, EDITSTATE
*es
, INT line
, LPSTR lpch
)
2078 if (es
->style
& ES_MULTILINE
) {
2079 if (line
>= es
->line_count
)
2083 i
= EDIT_EM_LineIndex(wnd
, es
, line
);
2085 len
= MIN(*(WORD
*)lpch
, EDIT_EM_LineLength(wnd
, es
, i
));
2086 for (i
= 0 ; i
< len
; i
++) {
2091 return (LRESULT
)len
;
2095 /*********************************************************************
2100 static LRESULT
EDIT_EM_GetSel(WND
*wnd
, EDITSTATE
*es
, LPUINT start
, LPUINT end
)
2102 UINT s
= es
->selection_start
;
2103 UINT e
= es
->selection_end
;
2110 return MAKELONG(s
, e
);
2114 /*********************************************************************
2118 * FIXME: is this right ? (or should it be only VSCROLL)
2119 * (and maybe only for edit controls that really have their
2120 * own scrollbars) (and maybe only for multiline controls ?)
2121 * All in all: very poorly documented
2123 * FIXME: now it's also broken, because of the new WM_HSCROLL /
2124 * WM_VSCROLL handlers
2127 static LRESULT
EDIT_EM_GetThumb(WND
*wnd
, EDITSTATE
*es
)
2129 return MAKELONG(EDIT_WM_VScroll(wnd
, es
, EM_GETTHUMB16
, 0, 0),
2130 EDIT_WM_HScroll(wnd
, es
, EM_GETTHUMB16
, 0, 0));
2134 /*********************************************************************
2139 static INT
EDIT_EM_LineFromChar(WND
*wnd
, EDITSTATE
*es
, INT index
)
2144 if (!(es
->style
& ES_MULTILINE
))
2146 if (index
> lstrlenA(es
->text
))
2147 return es
->line_count
- 1;
2149 index
= MIN(es
->selection_start
, es
->selection_end
);
2152 line_def
= es
->first_line_def
;
2153 index
-= line_def
->length
;
2154 while ((index
>= 0) && line_def
->next
) {
2156 line_def
= line_def
->next
;
2157 index
-= line_def
->length
;
2163 /*********************************************************************
2168 static INT
EDIT_EM_LineIndex(WND
*wnd
, EDITSTATE
*es
, INT line
)
2173 if (!(es
->style
& ES_MULTILINE
))
2175 if (line
>= es
->line_count
)
2179 line_def
= es
->first_line_def
;
2181 INT index
= es
->selection_end
- line_def
->length
;
2182 while ((index
>= 0) && line_def
->next
) {
2183 line_index
+= line_def
->length
;
2184 line_def
= line_def
->next
;
2185 index
-= line_def
->length
;
2189 line_index
+= line_def
->length
;
2190 line_def
= line_def
->next
;
2198 /*********************************************************************
2203 static INT
EDIT_EM_LineLength(WND
*wnd
, EDITSTATE
*es
, INT index
)
2207 if (!(es
->style
& ES_MULTILINE
))
2208 return lstrlenA(es
->text
);
2212 INT32 sl = EDIT_EM_LineFromChar(wnd, es, es->selection_start);
2213 INT32 el = EDIT_EM_LineFromChar(wnd, es, es->selection_end);
2214 return es->selection_start - es->line_defs[sl].offset +
2215 es->line_defs[el].offset +
2216 es->line_defs[el].length - es->selection_end;
2220 line_def
= es
->first_line_def
;
2221 index
-= line_def
->length
;
2222 while ((index
>= 0) && line_def
->next
) {
2223 line_def
= line_def
->next
;
2224 index
-= line_def
->length
;
2226 return line_def
->net_length
;
2230 /*********************************************************************
2234 * FIXME: dx is in average character widths
2235 * However, we assume it is in pixels when we use this
2236 * function internally
2239 static BOOL
EDIT_EM_LineScroll(WND
*wnd
, EDITSTATE
*es
, INT dx
, INT dy
)
2243 if (!(es
->style
& ES_MULTILINE
))
2246 if (-dx
> es
->x_offset
)
2248 if (dx
> es
->text_width
- es
->x_offset
)
2249 dx
= es
->text_width
- es
->x_offset
;
2250 nyoff
= MAX(0, es
->y_offset
+ dy
);
2251 if (nyoff
>= es
->line_count
)
2252 nyoff
= es
->line_count
- 1;
2253 dy
= (es
->y_offset
- nyoff
) * es
->line_height
;
2257 GetClientRect(wnd
->hwndSelf
, &rc1
);
2258 IntersectRect(&rc
, &rc1
, &es
->format_rect
);
2259 ScrollWindowEx(wnd
->hwndSelf
, -dx
, dy
,
2260 NULL
, &rc
, (HRGN
)NULL
, NULL
, SW_INVALIDATE
);
2261 es
->y_offset
= nyoff
;
2264 if (dx
&& !(es
->flags
& EF_HSCROLL_TRACK
))
2265 EDIT_NOTIFY_PARENT(wnd
, EN_HSCROLL
, "EN_HSCROLL");
2266 if (dy
&& !(es
->flags
& EF_VSCROLL_TRACK
))
2267 EDIT_NOTIFY_PARENT(wnd
, EN_VSCROLL
, "EN_VSCROLL");
2272 /*********************************************************************
2277 static LRESULT
EDIT_EM_PosFromChar(WND
*wnd
, EDITSTATE
*es
, INT index
, BOOL after_wrap
)
2279 INT len
= lstrlenA(es
->text
);
2288 index
= MIN(index
, len
);
2289 dc
= GetDC(wnd
->hwndSelf
);
2291 old_font
= SelectObject(dc
, es
->font
);
2292 if (es
->style
& ES_MULTILINE
) {
2293 l
= EDIT_EM_LineFromChar(wnd
, es
, index
);
2294 y
= (l
- es
->y_offset
) * es
->line_height
;
2295 li
= EDIT_EM_LineIndex(wnd
, es
, l
);
2296 if (after_wrap
&& (li
== index
) && l
) {
2298 LINEDEF
*line_def
= es
->first_line_def
;
2300 line_def
= line_def
->next
;
2303 if (line_def
->ending
== END_WRAP
) {
2305 y
-= es
->line_height
;
2306 li
= EDIT_EM_LineIndex(wnd
, es
, l
);
2309 x
= LOWORD(GetTabbedTextExtentA(dc
, es
->text
+ li
, index
- li
,
2310 es
->tabs_count
, es
->tabs
)) - es
->x_offset
;
2312 LPSTR text
= EDIT_GetPasswordPointer_SL(wnd
, es
);
2313 if (index
< es
->x_offset
) {
2314 GetTextExtentPoint32A(dc
, text
+ index
,
2315 es
->x_offset
- index
, &size
);
2318 GetTextExtentPoint32A(dc
, text
+ es
->x_offset
,
2319 index
- es
->x_offset
, &size
);
2323 if (es
->style
& ES_PASSWORD
)
2324 HeapFree(es
->heap
, 0 ,text
);
2326 x
+= es
->format_rect
.left
;
2327 y
+= es
->format_rect
.top
;
2329 SelectObject(dc
, old_font
);
2330 ReleaseDC(wnd
->hwndSelf
, dc
);
2331 return MAKELONG((INT16
)x
, (INT16
)y
);
2335 /*********************************************************************
2339 * FIXME: handle ES_NUMBER and ES_OEMCONVERT here
2342 static void EDIT_EM_ReplaceSel(WND
*wnd
, EDITSTATE
*es
, BOOL can_undo
, LPCSTR lpsz_replace
)
2344 INT strl
= lstrlenA(lpsz_replace
);
2345 INT tl
= lstrlenA(es
->text
);
2352 s
= es
->selection_start
;
2353 e
= es
->selection_end
;
2355 if ((s
== e
) && !strl
)
2360 if (!EDIT_MakeFit(wnd
, es
, tl
- (e
- s
) + strl
))
2364 /* there is something to be deleted */
2366 utl
= lstrlenA(es
->undo_text
);
2367 if (!es
->undo_insert_count
&& (*es
->undo_text
&& (s
== es
->undo_position
))) {
2368 /* undo-buffer is extended to the right */
2369 EDIT_MakeUndoFit(wnd
, es
, utl
+ e
- s
);
2370 lstrcpynA(es
->undo_text
+ utl
, es
->text
+ s
, e
- s
+ 1);
2371 } else if (!es
->undo_insert_count
&& (*es
->undo_text
&& (e
== es
->undo_position
))) {
2372 /* undo-buffer is extended to the left */
2373 EDIT_MakeUndoFit(wnd
, es
, utl
+ e
- s
);
2374 for (p
= es
->undo_text
+ utl
; p
>= es
->undo_text
; p
--)
2376 for (i
= 0 , p
= es
->undo_text
; i
< e
- s
; i
++)
2377 p
[i
] = (es
->text
+ s
)[i
];
2378 es
->undo_position
= s
;
2380 /* new undo-buffer */
2381 EDIT_MakeUndoFit(wnd
, es
, e
- s
);
2382 lstrcpynA(es
->undo_text
, es
->text
+ s
, e
- s
+ 1);
2383 es
->undo_position
= s
;
2385 /* any deletion makes the old insertion-undo invalid */
2386 es
->undo_insert_count
= 0;
2388 EDIT_EM_EmptyUndoBuffer(wnd
, es
);
2391 lstrcpyA(es
->text
+ s
, es
->text
+ e
);
2394 /* there is an insertion */
2396 if ((s
== es
->undo_position
) ||
2397 ((es
->undo_insert_count
) &&
2398 (s
== es
->undo_position
+ es
->undo_insert_count
)))
2400 * insertion is new and at delete position or
2401 * an extension to either left or right
2403 es
->undo_insert_count
+= strl
;
2405 /* new insertion undo */
2406 es
->undo_position
= s
;
2407 es
->undo_insert_count
= strl
;
2408 /* new insertion makes old delete-buffer invalid */
2409 *es
->undo_text
= '\0';
2412 EDIT_EM_EmptyUndoBuffer(wnd
, es
);
2415 tl
= lstrlenA(es
->text
);
2416 for (p
= es
->text
+ tl
; p
>= es
->text
+ s
; p
--)
2418 for (i
= 0 , p
= es
->text
+ s
; i
< strl
; i
++)
2419 p
[i
] = lpsz_replace
[i
];
2420 if(es
->style
& ES_UPPERCASE
)
2421 CharUpperBuffA(p
, strl
);
2422 else if(es
->style
& ES_LOWERCASE
)
2423 CharLowerBuffA(p
, strl
);
2426 /* FIXME: really inefficient */
2427 if (es
->style
& ES_MULTILINE
)
2428 EDIT_BuildLineDefs_ML(wnd
, es
);
2430 EDIT_EM_SetSel(wnd
, es
, s
, s
, FALSE
);
2431 es
->flags
|= EF_MODIFIED
;
2432 es
->flags
|= EF_UPDATE
;
2433 EDIT_EM_ScrollCaret(wnd
, es
);
2435 /* FIXME: really inefficient */
2436 InvalidateRect(wnd
->hwndSelf
, NULL
, TRUE
);
2440 /*********************************************************************
2445 static LRESULT
EDIT_EM_Scroll(WND
*wnd
, EDITSTATE
*es
, INT action
)
2449 if (!(es
->style
& ES_MULTILINE
))
2450 return (LRESULT
)FALSE
;
2460 if (es
->y_offset
< es
->line_count
- 1)
2465 dy
= -(es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
2468 if (es
->y_offset
< es
->line_count
- 1)
2469 dy
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
2472 return (LRESULT
)FALSE
;
2475 EDIT_EM_LineScroll(wnd
, es
, 0, dy
);
2476 EDIT_NOTIFY_PARENT(wnd
, EN_VSCROLL
, "EN_VSCROLL");
2478 return MAKELONG((INT16
)dy
, (BOOL16
)TRUE
);
2482 /*********************************************************************
2487 static void EDIT_EM_ScrollCaret(WND
*wnd
, EDITSTATE
*es
)
2489 if (es
->style
& ES_MULTILINE
) {
2494 INT cw
= es
->char_width
;
2499 l
= EDIT_EM_LineFromChar(wnd
, es
, es
->selection_end
);
2500 li
= EDIT_EM_LineIndex(wnd
, es
, l
);
2501 x
= SLOWORD(EDIT_EM_PosFromChar(wnd
, es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
));
2502 vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
2503 if (l
>= es
->y_offset
+ vlc
)
2504 dy
= l
- vlc
+ 1 - es
->y_offset
;
2505 if (l
< es
->y_offset
)
2506 dy
= l
- es
->y_offset
;
2507 ww
= es
->format_rect
.right
- es
->format_rect
.left
;
2508 if (x
< es
->format_rect
.left
)
2509 dx
= x
- es
->format_rect
.left
- ww
/ HSCROLL_FRACTION
/ cw
* cw
;
2510 if (x
> es
->format_rect
.right
)
2511 dx
= x
- es
->format_rect
.left
- (HSCROLL_FRACTION
- 1) * ww
/ HSCROLL_FRACTION
/ cw
* cw
;
2513 EDIT_EM_LineScroll(wnd
, es
, dx
, dy
);
2519 if (!(es
->style
& ES_AUTOHSCROLL
))
2522 x
= SLOWORD(EDIT_EM_PosFromChar(wnd
, es
, es
->selection_end
, FALSE
));
2523 format_width
= es
->format_rect
.right
- es
->format_rect
.left
;
2524 if (x
< es
->format_rect
.left
) {
2525 goal
= es
->format_rect
.left
+ format_width
/ HSCROLL_FRACTION
;
2528 x
= SLOWORD(EDIT_EM_PosFromChar(wnd
, es
, es
->selection_end
, FALSE
));
2529 } while ((x
< goal
) && es
->x_offset
);
2530 /* FIXME: use ScrollWindow() somehow to improve performance */
2531 InvalidateRect(wnd
->hwndSelf
, NULL
, TRUE
);
2532 } else if (x
> es
->format_rect
.right
) {
2534 INT len
= lstrlenA(es
->text
);
2535 goal
= es
->format_rect
.right
- format_width
/ HSCROLL_FRACTION
;
2538 x
= SLOWORD(EDIT_EM_PosFromChar(wnd
, es
, es
->selection_end
, FALSE
));
2539 x_last
= SLOWORD(EDIT_EM_PosFromChar(wnd
, es
, len
, FALSE
));
2540 } while ((x
> goal
) && (x_last
> es
->format_rect
.right
));
2541 /* FIXME: use ScrollWindow() somehow to improve performance */
2542 InvalidateRect(wnd
->hwndSelf
, NULL
, TRUE
);
2548 /*********************************************************************
2552 * FIXME: ES_LOWERCASE, ES_UPPERCASE, ES_OEMCONVERT, ES_NUMBER ???
2555 static void EDIT_EM_SetHandle(WND
*wnd
, EDITSTATE
*es
, HLOCAL hloc
)
2557 if (!(es
->style
& ES_MULTILINE
))
2561 WARN_(edit
)("called with NULL handle\n");
2565 EDIT_UnlockBuffer(wnd
, es
, TRUE
);
2567 * old buffer is freed by caller, unless
2568 * it is still in our own heap. (in that case
2569 * we free it, correcting the buggy caller.)
2572 HeapFree(es
->heap
, 0, es
->text
);
2574 es
->hloc16
= (HLOCAL16
)NULL
;
2577 es
->buffer_size
= LocalSize(es
->hloc32
) - 1;
2578 EDIT_LockBuffer(wnd
, es
);
2580 es
->x_offset
= es
->y_offset
= 0;
2581 es
->selection_start
= es
->selection_end
= 0;
2582 EDIT_EM_EmptyUndoBuffer(wnd
, es
);
2583 es
->flags
&= ~EF_MODIFIED
;
2584 es
->flags
&= ~EF_UPDATE
;
2585 EDIT_BuildLineDefs_ML(wnd
, es
);
2586 InvalidateRect(wnd
->hwndSelf
, NULL
, TRUE
);
2587 EDIT_EM_ScrollCaret(wnd
, es
);
2591 /*********************************************************************
2595 * FIXME: ES_LOWERCASE, ES_UPPERCASE, ES_OEMCONVERT, ES_NUMBER ???
2598 static void EDIT_EM_SetHandle16(WND
*wnd
, EDITSTATE
*es
, HLOCAL16 hloc
)
2600 if (!(es
->style
& ES_MULTILINE
))
2604 WARN_(edit
)("called with NULL handle\n");
2608 EDIT_UnlockBuffer(wnd
, es
, TRUE
);
2610 * old buffer is freed by caller, unless
2611 * it is still in our own heap. (in that case
2612 * we free it, correcting the buggy caller.)
2615 HeapFree(es
->heap
, 0, es
->text
);
2618 es
->hloc32
= (HLOCAL
)NULL
;
2620 es
->buffer_size
= LOCAL_Size(wnd
->hInstance
, es
->hloc16
) - 1;
2621 EDIT_LockBuffer(wnd
, es
);
2623 es
->x_offset
= es
->y_offset
= 0;
2624 es
->selection_start
= es
->selection_end
= 0;
2625 EDIT_EM_EmptyUndoBuffer(wnd
, es
);
2626 es
->flags
&= ~EF_MODIFIED
;
2627 es
->flags
&= ~EF_UPDATE
;
2628 EDIT_BuildLineDefs_ML(wnd
, es
);
2629 InvalidateRect(wnd
->hwndSelf
, NULL
, TRUE
);
2630 EDIT_EM_ScrollCaret(wnd
, es
);
2634 /*********************************************************************
2638 * FIXME: in WinNT maxsize is 0x7FFFFFFF / 0xFFFFFFFF
2639 * However, the windows version is not complied to yet in all of edit.c
2642 static void EDIT_EM_SetLimitText(WND
*wnd
, EDITSTATE
*es
, INT limit
)
2644 if (es
->style
& ES_MULTILINE
) {
2646 es
->buffer_limit
= MIN(limit
, BUFLIMIT_MULTI
);
2648 es
->buffer_limit
= BUFLIMIT_MULTI
;
2651 es
->buffer_limit
= MIN(limit
, BUFLIMIT_SINGLE
);
2653 es
->buffer_limit
= BUFLIMIT_SINGLE
;
2658 /*********************************************************************
2662 * EC_USEFONTINFO is used as a left or right value i.e. lParam and not as an
2663 * action wParam despite what the docs say. EC_USEFONTINFO means one third
2664 * of the char's width, according to the new docs.
2667 static void EDIT_EM_SetMargins(WND
*wnd
, EDITSTATE
*es
, INT action
,
2668 INT left
, INT right
)
2670 if (action
& EC_LEFTMARGIN
) {
2671 if (left
!= EC_USEFONTINFO
)
2672 es
->left_margin
= left
;
2674 es
->left_margin
= es
->char_width
/ 3;
2677 if (action
& EC_RIGHTMARGIN
) {
2678 if (right
!= EC_USEFONTINFO
)
2679 es
->right_margin
= right
;
2681 es
->right_margin
= es
->char_width
/ 3;
2683 TRACE_(edit
)("left=%d, right=%d\n", es
->left_margin
, es
->right_margin
);
2687 /*********************************************************************
2689 * EM_SETPASSWORDCHAR
2692 static void EDIT_EM_SetPasswordChar(WND
*wnd
, EDITSTATE
*es
, CHAR c
)
2694 if (es
->style
& ES_MULTILINE
)
2697 if (es
->password_char
== c
)
2700 es
->password_char
= c
;
2702 wnd
->dwStyle
|= ES_PASSWORD
;
2703 es
->style
|= ES_PASSWORD
;
2705 wnd
->dwStyle
&= ~ES_PASSWORD
;
2706 es
->style
&= ~ES_PASSWORD
;
2708 InvalidateRect(wnd
->hwndSelf
, NULL
, TRUE
);
2712 /*********************************************************************
2716 * note: unlike the specs say: the order of start and end
2717 * _is_ preserved in Windows. (i.e. start can be > end)
2718 * In other words: this handler is OK
2721 static void EDIT_EM_SetSel(WND
*wnd
, EDITSTATE
*es
, UINT start
, UINT end
, BOOL after_wrap
)
2723 UINT old_start
= es
->selection_start
;
2724 UINT old_end
= es
->selection_end
;
2725 UINT len
= lstrlenA(es
->text
);
2728 start
= es
->selection_end
;
2729 end
= es
->selection_end
;
2731 start
= MIN(start
, len
);
2732 end
= MIN(end
, len
);
2734 es
->selection_start
= start
;
2735 es
->selection_end
= end
;
2737 es
->flags
|= EF_AFTER_WRAP
;
2739 es
->flags
&= ~EF_AFTER_WRAP
;
2740 if (es
->flags
& EF_FOCUSED
)
2741 EDIT_SetCaretPos(wnd
, es
, end
, after_wrap
);
2742 /* This is little bit more efficient than before, not sure if it can be improved. FIXME? */
2743 ORDER_UINT(start
, end
);
2744 ORDER_UINT(end
, old_end
);
2745 ORDER_UINT(start
, old_start
);
2746 ORDER_UINT(old_start
, old_end
);
2747 if (end
!= old_start
)
2751 * ORDER_UINT32(end, old_start);
2752 * EDIT_InvalidateText(wnd, es, start, end);
2753 * EDIT_InvalidateText(wnd, es, old_start, old_end);
2754 * in place of the following if statement.
2756 if (old_start
> end
)
2758 EDIT_InvalidateText(wnd
, es
, start
, end
);
2759 EDIT_InvalidateText(wnd
, es
, old_start
, old_end
);
2763 EDIT_InvalidateText(wnd
, es
, start
, old_start
);
2764 EDIT_InvalidateText(wnd
, es
, end
, old_end
);
2767 else EDIT_InvalidateText(wnd
, es
, start
, old_end
);
2771 /*********************************************************************
2776 static BOOL
EDIT_EM_SetTabStops(WND
*wnd
, EDITSTATE
*es
, INT count
, LPINT tabs
)
2778 if (!(es
->style
& ES_MULTILINE
))
2781 HeapFree(es
->heap
, 0, es
->tabs
);
2782 es
->tabs_count
= count
;
2786 es
->tabs
= HeapAlloc(es
->heap
, 0, count
* sizeof(INT
));
2787 memcpy(es
->tabs
, tabs
, count
* sizeof(INT
));
2793 /*********************************************************************
2798 static BOOL
EDIT_EM_SetTabStops16(WND
*wnd
, EDITSTATE
*es
, INT count
, LPINT16 tabs
)
2800 if (!(es
->style
& ES_MULTILINE
))
2803 HeapFree(es
->heap
, 0, es
->tabs
);
2804 es
->tabs_count
= count
;
2809 es
->tabs
= HeapAlloc(es
->heap
, 0, count
* sizeof(INT
));
2810 for (i
= 0 ; i
< count
; i
++)
2811 es
->tabs
[i
] = *tabs
++;
2817 /*********************************************************************
2819 * EM_SETWORDBREAKPROC
2822 static void EDIT_EM_SetWordBreakProc(WND
*wnd
, EDITSTATE
*es
, EDITWORDBREAKPROCA wbp
)
2824 if (es
->word_break_proc32A
== wbp
)
2827 es
->word_break_proc32A
= wbp
;
2828 es
->word_break_proc16
= NULL
;
2829 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_AUTOHSCROLL
)) {
2830 EDIT_BuildLineDefs_ML(wnd
, es
);
2831 InvalidateRect(wnd
->hwndSelf
, NULL
, TRUE
);
2836 /*********************************************************************
2838 * EM_SETWORDBREAKPROC16
2841 static void EDIT_EM_SetWordBreakProc16(WND
*wnd
, EDITSTATE
*es
, EDITWORDBREAKPROC16 wbp
)
2843 if (es
->word_break_proc16
== wbp
)
2846 es
->word_break_proc32A
= NULL
;
2847 es
->word_break_proc16
= wbp
;
2848 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_AUTOHSCROLL
)) {
2849 EDIT_BuildLineDefs_ML(wnd
, es
);
2850 InvalidateRect(wnd
->hwndSelf
, NULL
, TRUE
);
2855 /*********************************************************************
2860 static BOOL
EDIT_EM_Undo(WND
*wnd
, EDITSTATE
*es
)
2862 INT ulength
= lstrlenA(es
->undo_text
);
2863 LPSTR utext
= HeapAlloc(es
->heap
, 0, ulength
+ 1);
2865 lstrcpyA(utext
, es
->undo_text
);
2867 TRACE_(edit
)("before UNDO:insertion length = %d, deletion buffer = %s\n",
2868 es
->undo_insert_count
, utext
);
2870 EDIT_EM_SetSel(wnd
, es
, es
->undo_position
, es
->undo_position
+ es
->undo_insert_count
, FALSE
);
2871 EDIT_EM_EmptyUndoBuffer(wnd
, es
);
2872 EDIT_EM_ReplaceSel(wnd
, es
, TRUE
, utext
);
2873 EDIT_EM_SetSel(wnd
, es
, es
->undo_position
, es
->undo_position
+ es
->undo_insert_count
, FALSE
);
2874 HeapFree(es
->heap
, 0, utext
);
2876 TRACE_(edit
)("after UNDO:insertion length = %d, deletion buffer = %s\n",
2877 es
->undo_insert_count
, es
->undo_text
);
2883 /*********************************************************************
2888 static void EDIT_WM_Char(WND
*wnd
, EDITSTATE
*es
, CHAR c
, DWORD key_data
)
2893 if (es
->style
& ES_MULTILINE
) {
2894 if (es
->style
& ES_READONLY
) {
2895 EDIT_MoveHome(wnd
, es
, FALSE
);
2896 EDIT_MoveDown_ML(wnd
, es
, FALSE
);
2898 EDIT_EM_ReplaceSel(wnd
, es
, TRUE
, "\r\n");
2902 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_READONLY
))
2903 EDIT_EM_ReplaceSel(wnd
, es
, TRUE
, "\t");
2906 if (!(es
->style
& ES_READONLY
) && ((BYTE
)c
>= ' ') && (c
!= 127)) {
2910 EDIT_EM_ReplaceSel(wnd
, es
, TRUE
, str
);
2917 /*********************************************************************
2922 static void EDIT_WM_Command(WND
*wnd
, EDITSTATE
*es
, INT code
, INT id
, HWND control
)
2924 if (code
|| control
)
2929 EDIT_EM_Undo(wnd
, es
);
2932 EDIT_WM_Cut(wnd
, es
);
2935 EDIT_WM_Copy(wnd
, es
);
2938 EDIT_WM_Paste(wnd
, es
);
2941 EDIT_WM_Clear(wnd
, es
);
2944 EDIT_EM_SetSel(wnd
, es
, 0, -1, FALSE
);
2945 EDIT_EM_ScrollCaret(wnd
, es
);
2948 ERR_(edit
)("unknown menu item, please report\n");
2954 /*********************************************************************
2958 * Note: the resource files resource/sysres_??.rc cannot define a
2959 * single popup menu. Hence we use a (dummy) menubar
2960 * containing the single popup menu as its first item.
2962 * FIXME: the message identifiers have been chosen arbitrarily,
2963 * hence we use MF_BYPOSITION.
2964 * We might as well use the "real" values (anybody knows ?)
2965 * The menu definition is in resources/sysres_??.rc.
2966 * Once these are OK, we better use MF_BYCOMMAND here
2967 * (as we do in EDIT_WM_Command()).
2970 static void EDIT_WM_ContextMenu(WND
*wnd
, EDITSTATE
*es
, HWND hwnd
, INT x
, INT y
)
2972 HMENU menu
= LoadMenuA(GetModuleHandleA("USER32"), "EDITMENU");
2973 HMENU popup
= GetSubMenu(menu
, 0);
2974 UINT start
= es
->selection_start
;
2975 UINT end
= es
->selection_end
;
2977 ORDER_UINT(start
, end
);
2980 EnableMenuItem(popup
, 0, MF_BYPOSITION
| (EDIT_EM_CanUndo(wnd
, es
) ? MF_ENABLED
: MF_GRAYED
));
2982 EnableMenuItem(popup
, 2, MF_BYPOSITION
| ((end
- start
) && !(es
->style
& ES_PASSWORD
) ? MF_ENABLED
: MF_GRAYED
));
2984 EnableMenuItem(popup
, 3, MF_BYPOSITION
| ((end
- start
) && !(es
->style
& ES_PASSWORD
) ? MF_ENABLED
: MF_GRAYED
));
2986 EnableMenuItem(popup
, 4, MF_BYPOSITION
| (IsClipboardFormatAvailable(CF_TEXT
) ? MF_ENABLED
: MF_GRAYED
));
2988 EnableMenuItem(popup
, 5, MF_BYPOSITION
| ((end
- start
) ? MF_ENABLED
: MF_GRAYED
));
2990 EnableMenuItem(popup
, 7, MF_BYPOSITION
| (start
|| (end
!= lstrlenA(es
->text
)) ? MF_ENABLED
: MF_GRAYED
));
2992 TrackPopupMenu(popup
, TPM_LEFTALIGN
| TPM_RIGHTBUTTON
, x
, y
, 0, wnd
->hwndSelf
, NULL
);
2997 /*********************************************************************
3002 static void EDIT_WM_Copy(WND
*wnd
, EDITSTATE
*es
)
3004 INT s
= es
->selection_start
;
3005 INT e
= es
->selection_end
;
3012 hdst
= GlobalAlloc(GMEM_MOVEABLE
, (DWORD
)(e
- s
+ 1));
3013 dst
= GlobalLock(hdst
);
3014 lstrcpynA(dst
, es
->text
+ s
, e
- s
+ 1);
3016 OpenClipboard(wnd
->hwndSelf
);
3018 SetClipboardData(CF_TEXT
, hdst
);
3023 /*********************************************************************
3028 static LRESULT
EDIT_WM_Create(WND
*wnd
, EDITSTATE
*es
, LPCREATESTRUCTA cs
)
3031 * To initialize some final structure members, we call some helper
3032 * functions. However, since the EDITSTATE is not consistent (i.e.
3033 * not fully initialized), we should be very careful which
3034 * functions can be called, and in what order.
3036 EDIT_WM_SetFont(wnd
, es
, 0, FALSE
);
3037 EDIT_EM_EmptyUndoBuffer(wnd
, es
);
3039 if (cs
->lpszName
&& *(cs
->lpszName
) != '\0') {
3040 EDIT_EM_ReplaceSel(wnd
, es
, FALSE
, cs
->lpszName
);
3041 /* 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 */
3042 es
->selection_start
= es
->selection_end
= 0;
3043 EDIT_EM_ScrollCaret(wnd
, es
);
3049 /*********************************************************************
3054 static void EDIT_WM_Destroy(WND
*wnd
, EDITSTATE
*es
)
3057 while (LocalUnlock(es
->hloc32
)) ;
3058 LocalFree(es
->hloc32
);
3061 while (LOCAL_Unlock(wnd
->hInstance
, es
->hloc16
)) ;
3062 LOCAL_Free(wnd
->hInstance
, es
->hloc16
);
3064 HeapDestroy(es
->heap
);
3065 HeapFree(GetProcessHeap(), 0, es
);
3066 *(EDITSTATE
**)wnd
->wExtra
= NULL
;
3070 /*********************************************************************
3075 static LRESULT
EDIT_WM_EraseBkGnd(WND
*wnd
, EDITSTATE
*es
, HDC dc
)
3080 if (!IsWindowEnabled(wnd
->hwndSelf
) || (es
->style
& ES_READONLY
))
3081 brush
= (HBRUSH
)EDIT_SEND_CTLCOLORSTATIC(wnd
, dc
);
3083 brush
= (HBRUSH
)EDIT_SEND_CTLCOLOR(wnd
, dc
);
3086 brush
= (HBRUSH
)GetStockObject(WHITE_BRUSH
);
3088 GetClientRect(wnd
->hwndSelf
, &rc
);
3089 IntersectClipRect(dc
, rc
.left
, rc
.top
, rc
.right
, rc
.bottom
);
3090 GetClipBox(dc
, &rc
);
3092 * FIXME: specs say that we should UnrealizeObject() the brush,
3093 * but the specs of UnrealizeObject() say that we shouldn't
3094 * unrealize a stock object. The default brush that
3095 * DefWndProc() returns is ... a stock object.
3097 FillRect(dc
, &rc
, brush
);
3102 /*********************************************************************
3107 static INT
EDIT_WM_GetText(WND
*wnd
, EDITSTATE
*es
, INT count
, LPSTR text
)
3109 INT len
= lstrlenA(es
->text
);
3112 lstrcpyA(text
, es
->text
);
3119 /*********************************************************************
3123 * 16 bit notepad needs this. Actually it is not _our_ hack,
3124 * it is notepad's. Notepad is sending us scrollbar messages with
3125 * undocumented parameters without us even having a scrollbar ... !?!?
3128 static LRESULT
EDIT_HScroll_Hack(WND
*wnd
, EDITSTATE
*es
, INT action
, INT pos
, HWND scroll_bar
)
3131 INT fw
= es
->format_rect
.right
- es
->format_rect
.left
;
3134 if (!(es
->flags
& EF_HSCROLL_HACK
)) {
3135 ERR_(edit
)("hacked WM_HSCROLL handler invoked\n");
3136 ERR_(edit
)(" if you are _not_ running 16 bit notepad, please report\n");
3137 ERR_(edit
)(" (this message is only displayed once per edit control)\n");
3138 es
->flags
|= EF_HSCROLL_HACK
;
3144 dx
= -es
->char_width
;
3147 if (es
->x_offset
< es
->text_width
)
3148 dx
= es
->char_width
;
3152 dx
= -fw
/ HSCROLL_FRACTION
/ es
->char_width
* es
->char_width
;
3155 if (es
->x_offset
< es
->text_width
)
3156 dx
= fw
/ HSCROLL_FRACTION
/ es
->char_width
* es
->char_width
;
3163 if (es
->x_offset
< es
->text_width
)
3164 dx
= es
->text_width
- es
->x_offset
;
3167 es
->flags
|= EF_HSCROLL_TRACK
;
3168 dx
= pos
* es
->text_width
/ 100 - es
->x_offset
;
3170 case SB_THUMBPOSITION
:
3171 es
->flags
&= ~EF_HSCROLL_TRACK
;
3172 if (!(dx
= pos
* es
->text_width
/ 100 - es
->x_offset
))
3173 EDIT_NOTIFY_PARENT(wnd
, EN_HSCROLL
, "EN_HSCROLL");
3179 * FIXME : the next two are undocumented !
3180 * Are we doing the right thing ?
3181 * At least Win 3.1 Notepad makes use of EM_GETTHUMB this way,
3182 * although it's also a regular control message.
3185 ret
= es
->text_width
? es
->x_offset
* 100 / es
->text_width
: 0;
3187 case EM_LINESCROLL16
:
3192 ERR_(edit
)("undocumented (hacked) WM_HSCROLL parameter, please report\n");
3196 EDIT_EM_LineScroll(wnd
, es
, dx
, 0);
3201 /*********************************************************************
3206 static LRESULT
EDIT_WM_HScroll(WND
*wnd
, EDITSTATE
*es
, INT action
, INT pos
, HWND scroll_bar
)
3211 if (!(es
->style
& ES_MULTILINE
))
3214 if (!(es
->style
& ES_AUTOHSCROLL
))
3217 if (!(es
->style
& WS_HSCROLL
))
3218 return EDIT_HScroll_Hack(wnd
, es
, action
, pos
, scroll_bar
);
3221 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
3225 dx
= -es
->char_width
;
3228 if (es
->x_offset
< es
->text_width
)
3229 dx
= es
->char_width
;
3233 dx
= -fw
/ HSCROLL_FRACTION
/ es
->char_width
* es
->char_width
;
3236 if (es
->x_offset
< es
->text_width
)
3237 dx
= fw
/ HSCROLL_FRACTION
/ es
->char_width
* es
->char_width
;
3244 if (es
->x_offset
< es
->text_width
)
3245 dx
= es
->text_width
- es
->x_offset
;
3248 es
->flags
|= EF_HSCROLL_TRACK
;
3249 dx
= pos
- es
->x_offset
;
3251 case SB_THUMBPOSITION
:
3252 es
->flags
&= ~EF_HSCROLL_TRACK
;
3253 if (!(dx
= pos
- es
->x_offset
)) {
3254 SetScrollPos(wnd
->hwndSelf
, SB_HORZ
, pos
, TRUE
);
3255 EDIT_NOTIFY_PARENT(wnd
, EN_HSCROLL
, "EN_HSCROLL");
3262 ERR_(edit
)("undocumented WM_HSCROLL parameter, please report\n");
3266 EDIT_EM_LineScroll(wnd
, es
, dx
, 0);
3271 /*********************************************************************
3276 static BOOL
EDIT_CheckCombo(WND
*wnd
, UINT msg
, INT key
, DWORD key_data
)
3280 if (WIDGETS_IsControl(wnd
->parent
, BIC32_COMBO
) &&
3281 (hLBox
= COMBO_GetLBWindow(wnd
->parent
))) {
3282 HWND hCombo
= wnd
->parent
->hwndSelf
;
3283 BOOL bUIFlip
= TRUE
;
3285 TRACE_(combo
)("[%04x]: handling msg %04x (%04x)\n",
3286 wnd
->hwndSelf
, (UINT16
)msg
, (UINT16
)key
);
3289 case WM_KEYDOWN
: /* Handle F4 and arrow keys */
3291 bUIFlip
= (BOOL
)SendMessageA(hCombo
, CB_GETEXTENDEDUI
, 0, 0);
3292 if (SendMessageA(hCombo
, CB_GETDROPPEDSTATE
, 0, 0))
3296 SendMessageA(hLBox
, WM_KEYDOWN
, (WPARAM
)key
, 0);
3298 /* make sure ComboLBox pops up */
3299 SendMessageA(hCombo
, CB_SETEXTENDEDUI
, 0, 0);
3300 SendMessageA(hLBox
, WM_KEYDOWN
, VK_F4
, 0);
3301 SendMessageA(hCombo
, CB_SETEXTENDEDUI
, 1, 0);
3304 case WM_SYSKEYDOWN
: /* Handle Alt+up/down arrows */
3305 bUIFlip
= (BOOL
)SendMessageA(hCombo
, CB_GETEXTENDEDUI
, 0, 0);
3307 bUIFlip
= (BOOL
)SendMessageA(hCombo
, CB_GETDROPPEDSTATE
, 0, 0);
3308 SendMessageA(hCombo
, CB_SHOWDROPDOWN
, (bUIFlip
) ? FALSE
: TRUE
, 0);
3310 SendMessageA(hLBox
, WM_KEYDOWN
, VK_F4
, 0);
3319 /*********************************************************************
3323 * Handling of special keys that don't produce a WM_CHAR
3324 * (i.e. non-printable keys) & Backspace & Delete
3327 static LRESULT
EDIT_WM_KeyDown(WND
*wnd
, EDITSTATE
*es
, INT key
, DWORD key_data
)
3332 if (GetKeyState(VK_MENU
) & 0x8000)
3335 shift
= GetKeyState(VK_SHIFT
) & 0x8000;
3336 control
= GetKeyState(VK_CONTROL
) & 0x8000;
3341 if (EDIT_CheckCombo(wnd
, WM_KEYDOWN
, key
, key_data
))
3347 if ((es
->style
& ES_MULTILINE
) && (key
== VK_UP
))
3348 EDIT_MoveUp_ML(wnd
, es
, shift
);
3351 EDIT_MoveWordBackward(wnd
, es
, shift
);
3353 EDIT_MoveBackward(wnd
, es
, shift
);
3356 if (EDIT_CheckCombo(wnd
, WM_KEYDOWN
, key
, key_data
))
3360 if ((es
->style
& ES_MULTILINE
) && (key
== VK_DOWN
))
3361 EDIT_MoveDown_ML(wnd
, es
, shift
);
3363 EDIT_MoveWordForward(wnd
, es
, shift
);
3365 EDIT_MoveForward(wnd
, es
, shift
);
3368 EDIT_MoveHome(wnd
, es
, shift
);
3371 EDIT_MoveEnd(wnd
, es
, shift
);
3374 if (es
->style
& ES_MULTILINE
)
3375 EDIT_MovePageUp_ML(wnd
, es
, shift
);
3378 if (es
->style
& ES_MULTILINE
)
3379 EDIT_MovePageDown_ML(wnd
, es
, shift
);
3382 if (!(es
->style
& ES_READONLY
) && !control
) {
3383 if (es
->selection_start
!= es
->selection_end
)
3384 EDIT_WM_Clear(wnd
, es
);
3386 /* delete character left of caret */
3387 EDIT_EM_SetSel(wnd
, es
, -1, 0, FALSE
);
3388 EDIT_MoveBackward(wnd
, es
, TRUE
);
3389 EDIT_WM_Clear(wnd
, es
);
3394 if (!(es
->style
& ES_READONLY
) && !(shift
&& control
)) {
3395 if (es
->selection_start
!= es
->selection_end
) {
3397 EDIT_WM_Cut(wnd
, es
);
3399 EDIT_WM_Clear(wnd
, es
);
3402 /* delete character left of caret */
3403 EDIT_EM_SetSel(wnd
, es
, -1, 0, FALSE
);
3404 EDIT_MoveBackward(wnd
, es
, TRUE
);
3405 EDIT_WM_Clear(wnd
, es
);
3406 } else if (control
) {
3407 /* delete to end of line */
3408 EDIT_EM_SetSel(wnd
, es
, -1, 0, FALSE
);
3409 EDIT_MoveEnd(wnd
, es
, TRUE
);
3410 EDIT_WM_Clear(wnd
, es
);
3412 /* delete character right of caret */
3413 EDIT_EM_SetSel(wnd
, es
, -1, 0, FALSE
);
3414 EDIT_MoveForward(wnd
, es
, TRUE
);
3415 EDIT_WM_Clear(wnd
, es
);
3422 if (!(es
->style
& ES_READONLY
))
3423 EDIT_WM_Paste(wnd
, es
);
3425 EDIT_WM_Copy(wnd
, es
);
3432 /*********************************************************************
3437 static LRESULT
EDIT_WM_KillFocus(WND
*wnd
, EDITSTATE
*es
, HWND window_getting_focus
)
3439 es
->flags
&= ~EF_FOCUSED
;
3441 if(!(es
->style
& ES_NOHIDESEL
))
3442 EDIT_InvalidateText(wnd
, es
, es
->selection_start
, es
->selection_end
);
3443 EDIT_NOTIFY_PARENT(wnd
, EN_KILLFOCUS
, "EN_KILLFOCUS");
3448 /*********************************************************************
3452 * The caret position has been set on the WM_LBUTTONDOWN message
3455 static LRESULT
EDIT_WM_LButtonDblClk(WND
*wnd
, EDITSTATE
*es
, DWORD keys
, INT x
, INT y
)
3458 INT e
= es
->selection_end
;
3463 if (!(es
->flags
& EF_FOCUSED
))
3466 l
= EDIT_EM_LineFromChar(wnd
, es
, e
);
3467 li
= EDIT_EM_LineIndex(wnd
, es
, l
);
3468 ll
= EDIT_EM_LineLength(wnd
, es
, e
);
3469 s
= li
+ EDIT_CallWordBreakProc (wnd
, es
, li
, e
- li
, ll
, WB_LEFT
);
3470 e
= li
+ EDIT_CallWordBreakProc(wnd
, es
, li
, e
- li
, ll
, WB_RIGHT
);
3471 EDIT_EM_SetSel(wnd
, es
, s
, e
, FALSE
);
3472 EDIT_EM_ScrollCaret(wnd
, es
);
3477 /*********************************************************************
3482 static LRESULT
EDIT_WM_LButtonDown(WND
*wnd
, EDITSTATE
*es
, DWORD keys
, INT x
, INT y
)
3487 if (!(es
->flags
& EF_FOCUSED
))
3490 SetCapture(wnd
->hwndSelf
);
3491 EDIT_ConfinePoint(wnd
, es
, &x
, &y
);
3492 e
= EDIT_CharFromPos(wnd
, es
, x
, y
, &after_wrap
);
3493 EDIT_EM_SetSel(wnd
, es
, (keys
& MK_SHIFT
) ? es
->selection_start
: e
, e
, after_wrap
);
3494 EDIT_EM_ScrollCaret(wnd
, es
);
3495 es
->region_posx
= es
->region_posy
= 0;
3496 SetTimer(wnd
->hwndSelf
, 0, 100, NULL
);
3501 /*********************************************************************
3506 static LRESULT
EDIT_WM_LButtonUp(WND
*wnd
, EDITSTATE
*es
, DWORD keys
, INT x
, INT y
)
3508 if (GetCapture() == wnd
->hwndSelf
) {
3509 KillTimer(wnd
->hwndSelf
, 0);
3516 /*********************************************************************
3521 static LRESULT
EDIT_WM_MouseMove(WND
*wnd
, EDITSTATE
*es
, DWORD keys
, INT x
, INT y
)
3527 if (GetCapture() != wnd
->hwndSelf
)
3531 * FIXME: gotta do some scrolling if outside client
3532 * area. Maybe reset the timer ?
3535 EDIT_ConfinePoint(wnd
, es
, &x
, &y
);
3536 es
->region_posx
= (prex
< x
) ? -1 : ((prex
> x
) ? 1 : 0);
3537 es
->region_posy
= (prey
< y
) ? -1 : ((prey
> y
) ? 1 : 0);
3538 e
= EDIT_CharFromPos(wnd
, es
, x
, y
, &after_wrap
);
3539 EDIT_EM_SetSel(wnd
, es
, es
->selection_start
, e
, after_wrap
);
3544 /*********************************************************************
3549 static LRESULT
EDIT_WM_NCCreate(WND
*wnd
, LPCREATESTRUCTA cs
)
3553 if (!(es
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(*es
))))
3555 *(EDITSTATE
**)wnd
->wExtra
= es
;
3558 * Note: since the EDITSTATE has not been fully initialized yet,
3559 * we can't use any API calls that may send
3560 * WM_XXX messages before WM_NCCREATE is completed.
3563 if (!(es
->heap
= HeapCreate(0, 0x10000, 0)))
3565 es
->style
= cs
->style
;
3567 if ((es
->style
& WS_BORDER
) && !(es
->style
& WS_DLGFRAME
))
3568 wnd
->dwStyle
&= ~WS_BORDER
;
3570 if (es
->style
& ES_MULTILINE
) {
3571 es
->buffer_size
= BUFSTART_MULTI
;
3572 es
->buffer_limit
= BUFLIMIT_MULTI
;
3573 if (es
->style
& WS_VSCROLL
)
3574 es
->style
|= ES_AUTOVSCROLL
;
3575 if (es
->style
& WS_HSCROLL
)
3576 es
->style
|= ES_AUTOHSCROLL
;
3577 es
->style
&= ~ES_PASSWORD
;
3578 if ((es
->style
& ES_CENTER
) || (es
->style
& ES_RIGHT
)) {
3579 if (es
->style
& ES_RIGHT
)
3580 es
->style
&= ~ES_CENTER
;
3581 es
->style
&= ~WS_HSCROLL
;
3582 es
->style
&= ~ES_AUTOHSCROLL
;
3585 /* FIXME: for now, all multi line controls are AUTOVSCROLL */
3586 es
->style
|= ES_AUTOVSCROLL
;
3588 es
->buffer_size
= BUFSTART_SINGLE
;
3589 es
->buffer_limit
= BUFLIMIT_SINGLE
;
3590 es
->style
&= ~ES_CENTER
;
3591 es
->style
&= ~ES_RIGHT
;
3592 es
->style
&= ~WS_HSCROLL
;
3593 es
->style
&= ~WS_VSCROLL
;
3594 es
->style
&= ~ES_AUTOVSCROLL
;
3595 es
->style
&= ~ES_WANTRETURN
;
3596 if (es
->style
& ES_UPPERCASE
) {
3597 es
->style
&= ~ES_LOWERCASE
;
3598 es
->style
&= ~ES_NUMBER
;
3599 } else if (es
->style
& ES_LOWERCASE
)
3600 es
->style
&= ~ES_NUMBER
;
3601 if (es
->style
& ES_PASSWORD
)
3602 es
->password_char
= '*';
3604 /* FIXME: for now, all single line controls are AUTOHSCROLL */
3605 es
->style
|= ES_AUTOHSCROLL
;
3607 if (!(es
->text
= HeapAlloc(es
->heap
, 0, es
->buffer_size
+ 1)))
3609 es
->buffer_size
= HeapSize(es
->heap
, 0, es
->text
) - 1;
3610 if (!(es
->undo_text
= HeapAlloc(es
->heap
, 0, es
->buffer_size
+ 1)))
3612 es
->undo_buffer_size
= HeapSize(es
->heap
, 0, es
->undo_text
) - 1;
3614 if (es
->style
& ES_MULTILINE
)
3615 if (!(es
->first_line_def
= HeapAlloc(es
->heap
, HEAP_ZERO_MEMORY
, sizeof(LINEDEF
))))
3622 /*********************************************************************
3627 static void EDIT_WM_Paint(WND
*wnd
, EDITSTATE
*es
)
3636 BOOL rev
= IsWindowEnabled(wnd
->hwndSelf
) &&
3637 ((es
->flags
& EF_FOCUSED
) ||
3638 (es
->style
& ES_NOHIDESEL
));
3640 if (es
->flags
& EF_UPDATE
)
3641 EDIT_NOTIFY_PARENT(wnd
, EN_UPDATE
, "EN_UPDATE");
3643 dc
= BeginPaint(wnd
->hwndSelf
, &ps
);
3644 if(es
->style
& WS_BORDER
) {
3645 GetClientRect(wnd
->hwndSelf
, &rc
);
3646 if(es
->style
& ES_MULTILINE
) {
3647 if(es
->style
& WS_HSCROLL
) rc
.bottom
++;
3648 if(es
->style
& WS_VSCROLL
) rc
.right
++;
3650 if (TWEAK_WineLook
!= WIN31_LOOK
)
3651 DrawEdge(dc
, &rc
, EDGE_SUNKEN
, BF_RECT
);
3653 Rectangle(dc
, rc
.left
, rc
.top
, rc
.right
, rc
.bottom
);
3655 IntersectClipRect(dc
, es
->format_rect
.left
,
3656 es
->format_rect
.top
,
3657 es
->format_rect
.right
,
3658 es
->format_rect
.bottom
);
3659 if (es
->style
& ES_MULTILINE
) {
3660 GetClientRect(wnd
->hwndSelf
, &rc
);
3661 IntersectClipRect(dc
, rc
.left
, rc
.top
, rc
.right
, rc
.bottom
);
3664 old_font
= SelectObject(dc
, es
->font
);
3665 if (!IsWindowEnabled(wnd
->hwndSelf
) || (es
->style
& ES_READONLY
))
3666 EDIT_SEND_CTLCOLORSTATIC(wnd
, dc
);
3668 EDIT_SEND_CTLCOLOR(wnd
, dc
);
3669 if (!IsWindowEnabled(wnd
->hwndSelf
))
3670 SetTextColor(dc
, GetSysColor(COLOR_GRAYTEXT
));
3671 GetClipBox(dc
, &rcRgn
);
3672 if (es
->style
& ES_MULTILINE
) {
3673 INT vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
3674 for (i
= es
->y_offset
; i
<= MIN(es
->y_offset
+ vlc
, es
->y_offset
+ es
->line_count
- 1) ; i
++) {
3675 EDIT_GetLineRect(wnd
, es
, i
, 0, -1, &rcLine
);
3676 if (IntersectRect(&rc
, &rcRgn
, &rcLine
))
3677 EDIT_PaintLine(wnd
, es
, dc
, i
, rev
);
3680 EDIT_GetLineRect(wnd
, es
, 0, 0, -1, &rcLine
);
3681 if (IntersectRect(&rc
, &rcRgn
, &rcLine
))
3682 EDIT_PaintLine(wnd
, es
, dc
, 0, rev
);
3685 SelectObject(dc
, old_font
);
3686 if (es
->flags
& EF_FOCUSED
)
3687 EDIT_SetCaretPos(wnd
, es
, es
->selection_end
,
3688 es
->flags
& EF_AFTER_WRAP
);
3689 EndPaint(wnd
->hwndSelf
, &ps
);
3690 if ((es
->style
& WS_VSCROLL
) && !(es
->flags
& EF_VSCROLL_TRACK
)) {
3691 INT vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
3693 si
.cbSize
= sizeof(SCROLLINFO
);
3694 si
.fMask
= SIF_PAGE
| SIF_POS
| SIF_RANGE
| SIF_DISABLENOSCROLL
;
3696 si
.nMax
= es
->line_count
+ vlc
- 2;
3698 si
.nPos
= es
->y_offset
;
3699 SetScrollInfo(wnd
->hwndSelf
, SB_VERT
, &si
, TRUE
);
3701 if ((es
->style
& WS_HSCROLL
) && !(es
->flags
& EF_HSCROLL_TRACK
)) {
3703 INT fw
= es
->format_rect
.right
- es
->format_rect
.left
;
3704 si
.cbSize
= sizeof(SCROLLINFO
);
3705 si
.fMask
= SIF_PAGE
| SIF_POS
| SIF_RANGE
| SIF_DISABLENOSCROLL
;
3707 si
.nMax
= es
->text_width
+ fw
- 1;
3709 si
.nPos
= es
->x_offset
;
3710 SetScrollInfo(wnd
->hwndSelf
, SB_HORZ
, &si
, TRUE
);
3713 if (es
->flags
& EF_UPDATE
) {
3714 es
->flags
&= ~EF_UPDATE
;
3715 EDIT_NOTIFY_PARENT(wnd
, EN_CHANGE
, "EN_CHANGE");
3720 /*********************************************************************
3725 static void EDIT_WM_Paste(WND
*wnd
, EDITSTATE
*es
)
3730 OpenClipboard(wnd
->hwndSelf
);
3731 if ((hsrc
= GetClipboardData(CF_TEXT
))) {
3732 src
= (LPSTR
)GlobalLock(hsrc
);
3733 EDIT_EM_ReplaceSel(wnd
, es
, TRUE
, src
);
3740 /*********************************************************************
3745 static void EDIT_WM_SetFocus(WND
*wnd
, EDITSTATE
*es
, HWND window_losing_focus
)
3747 es
->flags
|= EF_FOCUSED
;
3748 CreateCaret(wnd
->hwndSelf
, 0, 2, es
->line_height
);
3749 EDIT_SetCaretPos(wnd
, es
, es
->selection_end
,
3750 es
->flags
& EF_AFTER_WRAP
);
3751 if(!(es
->style
& ES_NOHIDESEL
))
3752 EDIT_InvalidateText(wnd
, es
, es
->selection_start
, es
->selection_end
);
3753 ShowCaret(wnd
->hwndSelf
);
3754 EDIT_NOTIFY_PARENT(wnd
, EN_SETFOCUS
, "EN_SETFOCUS");
3758 /*********************************************************************
3762 * With Win95 look the margins are set to default font value unless
3763 * the system font (font == 0) is being set, in which case they are left
3767 static void EDIT_WM_SetFont(WND
*wnd
, EDITSTATE
*es
, HFONT font
, BOOL redraw
)
3774 dc
= GetDC(wnd
->hwndSelf
);
3776 old_font
= SelectObject(dc
, font
);
3777 GetTextMetricsA(dc
, &tm
);
3778 es
->line_height
= tm
.tmHeight
;
3779 es
->char_width
= tm
.tmAveCharWidth
;
3781 SelectObject(dc
, old_font
);
3782 ReleaseDC(wnd
->hwndSelf
, dc
);
3783 if (font
&& (TWEAK_WineLook
> WIN31_LOOK
))
3784 EDIT_EM_SetMargins(wnd
, es
, EC_LEFTMARGIN
| EC_RIGHTMARGIN
,
3785 EC_USEFONTINFO
, EC_USEFONTINFO
);
3786 if (es
->style
& ES_MULTILINE
)
3787 EDIT_BuildLineDefs_ML(wnd
, es
);
3790 GetClientRect(wnd
->hwndSelf
, &r
);
3791 EDIT_SetRectNP(wnd
, es
, &r
);
3794 InvalidateRect(wnd
->hwndSelf
, NULL
, TRUE
);
3795 if (es
->flags
& EF_FOCUSED
) {
3797 CreateCaret(wnd
->hwndSelf
, 0, 2, es
->line_height
);
3798 EDIT_SetCaretPos(wnd
, es
, es
->selection_end
,
3799 es
->flags
& EF_AFTER_WRAP
);
3800 ShowCaret(wnd
->hwndSelf
);
3805 /*********************************************************************
3810 * For multiline controls (ES_MULTILINE), reception of WM_SETTEXT triggers:
3811 * The modified flag is reset. No notifications are sent.
3813 * For single-line controls, reception of WM_SETTEXT triggers:
3814 * The modified flag is reset. EN_UPDATE and EN_CHANGE notifications are sent.
3817 static void EDIT_WM_SetText(WND
*wnd
, EDITSTATE
*es
, LPCSTR text
)
3819 EDIT_EM_SetSel(wnd
, es
, 0, -1, FALSE
);
3821 TRACE_(edit
)("\t'%s'\n", text
);
3822 EDIT_EM_ReplaceSel(wnd
, es
, FALSE
, text
);
3824 TRACE_(edit
)("\t<NULL>\n");
3825 EDIT_EM_ReplaceSel(wnd
, es
, FALSE
, "");
3828 if (es
->style
& ES_MULTILINE
) {
3829 es
->flags
&= ~EF_UPDATE
;
3831 es
->flags
|= EF_UPDATE
;
3833 es
->flags
&= ~EF_MODIFIED
;
3834 EDIT_EM_SetSel(wnd
, es
, 0, 0, FALSE
);
3835 EDIT_EM_ScrollCaret(wnd
, es
);
3839 /*********************************************************************
3844 static void EDIT_WM_Size(WND
*wnd
, EDITSTATE
*es
, UINT action
, INT width
, INT height
)
3846 if ((action
== SIZE_MAXIMIZED
) || (action
== SIZE_RESTORED
)) {
3848 SetRect(&rc
, 0, 0, width
, height
);
3849 EDIT_SetRectNP(wnd
, es
, &rc
);
3850 InvalidateRect(wnd
->hwndSelf
, NULL
, TRUE
);
3855 /*********************************************************************
3860 static LRESULT
EDIT_WM_SysKeyDown(WND
*wnd
, EDITSTATE
*es
, INT key
, DWORD key_data
)
3862 if ((key
== VK_BACK
) && (key_data
& 0x2000)) {
3863 if (EDIT_EM_CanUndo(wnd
, es
))
3864 EDIT_EM_Undo(wnd
, es
);
3866 } else if (key
== VK_UP
|| key
== VK_DOWN
)
3867 if (EDIT_CheckCombo(wnd
, WM_SYSKEYDOWN
, key
, key_data
))
3869 return DefWindowProcA(wnd
->hwndSelf
, WM_SYSKEYDOWN
, (WPARAM
)key
, (LPARAM
)key_data
);
3873 /*********************************************************************
3878 static void EDIT_WM_Timer(WND
*wnd
, EDITSTATE
*es
, INT id
, TIMERPROC timer_proc
)
3880 if (es
->region_posx
< 0) {
3881 EDIT_MoveBackward(wnd
, es
, TRUE
);
3882 } else if (es
->region_posx
> 0) {
3883 EDIT_MoveForward(wnd
, es
, TRUE
);
3886 * FIXME: gotta do some vertical scrolling here, like
3887 * EDIT_EM_LineScroll(wnd, 0, 1);
3892 /*********************************************************************
3896 * 16 bit notepad needs this. Actually it is not _our_ hack,
3897 * it is notepad's. Notepad is sending us scrollbar messages with
3898 * undocumented parameters without us even having a scrollbar ... !?!?
3901 static LRESULT
EDIT_VScroll_Hack(WND
*wnd
, EDITSTATE
*es
, INT action
, INT pos
, HWND scroll_bar
)
3906 if (!(es
->flags
& EF_VSCROLL_HACK
)) {
3907 ERR_(edit
)("hacked WM_VSCROLL handler invoked\n");
3908 ERR_(edit
)(" if you are _not_ running 16 bit notepad, please report\n");
3909 ERR_(edit
)(" (this message is only displayed once per edit control)\n");
3910 es
->flags
|= EF_VSCROLL_HACK
;
3918 EDIT_EM_Scroll(wnd
, es
, action
);
3924 dy
= es
->line_count
- 1 - es
->y_offset
;
3927 es
->flags
|= EF_VSCROLL_TRACK
;
3928 dy
= (pos
* (es
->line_count
- 1) + 50) / 100 - es
->y_offset
;
3930 case SB_THUMBPOSITION
:
3931 es
->flags
&= ~EF_VSCROLL_TRACK
;
3932 if (!(dy
= (pos
* (es
->line_count
- 1) + 50) / 100 - es
->y_offset
))
3933 EDIT_NOTIFY_PARENT(wnd
, EN_VSCROLL
, "EN_VSCROLL");
3939 * FIXME : the next two are undocumented !
3940 * Are we doing the right thing ?
3941 * At least Win 3.1 Notepad makes use of EM_GETTHUMB this way,
3942 * although it's also a regular control message.
3945 ret
= (es
->line_count
> 1) ? es
->y_offset
* 100 / (es
->line_count
- 1) : 0;
3947 case EM_LINESCROLL16
:
3952 ERR_(edit
)("undocumented (hacked) WM_VSCROLL parameter, please report\n");
3956 EDIT_EM_LineScroll(wnd
, es
, 0, dy
);
3961 /*********************************************************************
3966 static LRESULT
EDIT_WM_VScroll(WND
*wnd
, EDITSTATE
*es
, INT action
, INT pos
, HWND scroll_bar
)
3970 if (!(es
->style
& ES_MULTILINE
))
3973 if (!(es
->style
& ES_AUTOVSCROLL
))
3976 if (!(es
->style
& WS_VSCROLL
))
3977 return EDIT_VScroll_Hack(wnd
, es
, action
, pos
, scroll_bar
);
3985 EDIT_EM_Scroll(wnd
, es
, action
);
3992 dy
= es
->line_count
- 1 - es
->y_offset
;
3995 es
->flags
|= EF_VSCROLL_TRACK
;
3996 dy
= pos
- es
->y_offset
;
3998 case SB_THUMBPOSITION
:
3999 es
->flags
&= ~EF_VSCROLL_TRACK
;
4000 if (!(dy
= pos
- es
->y_offset
)) {
4001 SetScrollPos(wnd
->hwndSelf
, SB_VERT
, pos
, TRUE
);
4002 EDIT_NOTIFY_PARENT(wnd
, EN_VSCROLL
, "EN_VSCROLL");
4009 ERR_(edit
)("undocumented WM_VSCROLL action %d, please report\n",
4014 EDIT_EM_LineScroll(wnd
, es
, 0, dy
);