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)
17 #include "wine/winbase16.h"
25 DECLARE_DEBUG_CHANNEL(combo
)
26 DECLARE_DEBUG_CHANNEL(edit
)
27 DECLARE_DEBUG_CHANNEL(relay
)
29 #define BUFLIMIT_MULTI 65534 /* maximum buffer size (not including '\0')
30 FIXME: BTW, new specs say 65535 (do you dare ???) */
31 #define BUFLIMIT_SINGLE 32766 /* maximum buffer size (not including '\0') */
32 #define BUFSTART_MULTI 1024 /* starting size */
33 #define BUFSTART_SINGLE 256 /* starting size */
34 #define GROWLENGTH 64 /* buffers grow by this much */
35 #define HSCROLL_FRACTION 3 /* scroll window by 1/3 width */
38 * extra flags for EDITSTATE.flags field
40 #define EF_MODIFIED 0x0001 /* text has been modified */
41 #define EF_FOCUSED 0x0002 /* we have input focus */
42 #define EF_UPDATE 0x0004 /* notify parent of changed state on next WM_PAINT */
43 #define EF_VSCROLL_TRACK 0x0008 /* don't SetScrollPos() since we are tracking the thumb */
44 #define EF_HSCROLL_TRACK 0x0010 /* don't SetScrollPos() since we are tracking the thumb */
45 #define EF_VSCROLL_HACK 0x0020 /* we already have informed the user of the hacked handler */
46 #define EF_HSCROLL_HACK 0x0040 /* we already have informed the user of the hacked handler */
47 #define EF_AFTER_WRAP 0x0080 /* the caret is displayed after the last character of a
48 wrapped line, instead of in front of the next character */
49 #define EF_USE_SOFTBRK 0x0100 /* Enable soft breaks in text. */
53 END_0
= 0, /* line ends with terminating '\0' character */
54 END_WRAP
, /* line is wrapped */
55 END_HARD
, /* line ends with a hard return '\r\n' */
56 END_SOFT
/* line ends with a soft return '\r\r\n' */
59 typedef struct tagLINEDEF
{
60 INT length
; /* bruto length of a line in bytes */
61 INT net_length
; /* netto length of a line in visible characters */
63 INT width
; /* width of the line in pixels */
64 struct tagLINEDEF
*next
;
69 HANDLE heap
; /* our own heap */
70 LPSTR text
; /* the actual contents of the control */
71 INT buffer_size
; /* the size of the buffer */
72 INT buffer_limit
; /* the maximum size to which the buffer may grow */
73 HFONT font
; /* NULL means standard system font */
74 INT x_offset
; /* scroll offset for multi lines this is in pixels
75 for single lines it's in characters */
76 INT line_height
; /* height of a screen line in pixels */
77 INT char_width
; /* average character width in pixels */
78 DWORD style
; /* sane version of wnd->dwStyle */
79 WORD flags
; /* flags that are not in es->style or wnd->flags (EF_XXX) */
80 INT undo_insert_count
; /* number of characters inserted in sequence */
81 INT undo_position
; /* character index of the insertion and deletion */
82 LPSTR undo_text
; /* deleted text */
83 INT undo_buffer_size
; /* size of the deleted text buffer */
84 INT selection_start
; /* == selection_end if no selection */
85 INT selection_end
; /* == current caret position */
86 CHAR password_char
; /* == 0 if no password char, and for multi line controls */
87 INT left_margin
; /* in pixels */
88 INT right_margin
; /* in pixels */
90 INT region_posx
; /* Position of cursor relative to region: */
91 INT region_posy
; /* -1: to left, 0: within, 1: to right */
92 EDITWORDBREAKPROC16 word_break_proc16
;
93 EDITWORDBREAKPROCA word_break_proc32A
;
94 INT line_count
; /* number of lines */
95 INT y_offset
; /* scroll offset in number of lines */
97 * only for multi line controls
99 INT lock_count
; /* amount of re-entries in the EditWndProc */
102 INT text_width
; /* width of the widest line in pixels */
103 LINEDEF
*first_line_def
; /* linked list of (soft) linebreaks */
104 HLOCAL16 hloc16
; /* for controls receiving EM_GETHANDLE16 */
105 HLOCAL hloc32
; /* for controls receiving EM_GETHANDLE */
109 #define SWAP_INT32(x,y) do { INT temp = (INT)(x); (x) = (INT)(y); (y) = temp; } while(0)
110 #define ORDER_INT(x,y) do { if ((INT)(y) < (INT)(x)) SWAP_INT32((x),(y)); } while(0)
112 #define SWAP_UINT32(x,y) do { UINT temp = (UINT)(x); (x) = (UINT)(y); (y) = temp; } while(0)
113 #define ORDER_UINT(x,y) do { if ((UINT)(y) < (UINT)(x)) SWAP_UINT32((x),(y)); } while(0)
115 #define DPRINTF_EDIT_NOTIFY(hwnd, str) \
116 ({TRACE(edit, "notification " str " sent to hwnd=%08x\n", \
118 /* used for disabled or read-only edit control */
119 #define EDIT_SEND_CTLCOLORSTATIC(wnd,hdc) \
120 (SendMessageA((wnd)->parent->hwndSelf, WM_CTLCOLORSTATIC, \
121 (WPARAM)(hdc), (LPARAM)(wnd)->hwndSelf))
122 #define EDIT_SEND_CTLCOLOR(wnd,hdc) \
123 (SendMessageA((wnd)->parent->hwndSelf, WM_CTLCOLOREDIT, \
124 (WPARAM)(hdc), (LPARAM)(wnd)->hwndSelf))
125 #define EDIT_NOTIFY_PARENT(wnd, wNotifyCode, str) \
126 (DPRINTF_EDIT_NOTIFY((wnd)->parent->hwndSelf, str), \
127 SendMessageA((wnd)->parent->hwndSelf, WM_COMMAND, \
128 MAKEWPARAM((wnd)->wIDmenu, wNotifyCode), \
129 (LPARAM)(wnd)->hwndSelf))
130 #define DPRINTF_EDIT_MSG16(str) \
132 "16 bit : " str ": hwnd=%08x, wParam=%08x, lParam=%08x\n", \
133 (UINT)hwnd, (UINT)wParam, (UINT)lParam)
134 #define DPRINTF_EDIT_MSG32(str) \
136 "32 bit : " str ": hwnd=%08x, wParam=%08x, lParam=%08x\n", \
137 (UINT)hwnd, (UINT)wParam, (UINT)lParam)
139 /*********************************************************************
146 * These functions have trivial implementations
147 * We still like to call them internally
148 * "static __inline__" makes them more like macro's
150 static __inline__ BOOL
EDIT_EM_CanUndo(WND
*wnd
, EDITSTATE
*es
);
151 static __inline__
void EDIT_EM_EmptyUndoBuffer(WND
*wnd
, EDITSTATE
*es
);
152 static __inline__
void EDIT_WM_Clear(WND
*wnd
, EDITSTATE
*es
);
153 static __inline__
void EDIT_WM_Cut(WND
*wnd
, EDITSTATE
*es
);
155 * This is the only exported function
157 LRESULT WINAPI
EditWndProc( HWND hwnd
, UINT msg
,
158 WPARAM wParam
, LPARAM lParam
);
160 * Helper functions only valid for one type of control
162 static void EDIT_BuildLineDefs_ML(WND
*wnd
, EDITSTATE
*es
);
163 static LPSTR
EDIT_GetPasswordPointer_SL(WND
*wnd
, EDITSTATE
*es
);
164 static void EDIT_MoveDown_ML(WND
*wnd
, EDITSTATE
*es
, BOOL extend
);
165 static void EDIT_MovePageDown_ML(WND
*wnd
, EDITSTATE
*es
, BOOL extend
);
166 static void EDIT_MovePageUp_ML(WND
*wnd
, EDITSTATE
*es
, BOOL extend
);
167 static void EDIT_MoveUp_ML(WND
*wnd
, EDITSTATE
*es
, BOOL extend
);
169 * Helper functions valid for both single line _and_ multi line controls
171 static INT
EDIT_CallWordBreakProc(WND
*wnd
, EDITSTATE
*es
, INT start
, INT index
, INT count
, INT action
);
172 static INT
EDIT_CharFromPos(WND
*wnd
, EDITSTATE
*es
, INT x
, INT y
, LPBOOL after_wrap
);
173 static void EDIT_ConfinePoint(WND
*wnd
, EDITSTATE
*es
, LPINT x
, LPINT y
);
174 static void EDIT_GetLineRect(WND
*wnd
, EDITSTATE
*es
, INT line
, INT scol
, INT ecol
, LPRECT rc
);
175 static void EDIT_InvalidateText(WND
*wnd
, EDITSTATE
*es
, INT start
, INT end
);
176 static void EDIT_LockBuffer(WND
*wnd
, EDITSTATE
*es
);
177 static BOOL
EDIT_MakeFit(WND
*wnd
, EDITSTATE
*es
, INT size
);
178 static BOOL
EDIT_MakeUndoFit(WND
*wnd
, EDITSTATE
*es
, INT size
);
179 static void EDIT_MoveBackward(WND
*wnd
, EDITSTATE
*es
, BOOL extend
);
180 static void EDIT_MoveEnd(WND
*wnd
, EDITSTATE
*es
, BOOL extend
);
181 static void EDIT_MoveForward(WND
*wnd
, EDITSTATE
*es
, BOOL extend
);
182 static void EDIT_MoveHome(WND
*wnd
, EDITSTATE
*es
, BOOL extend
);
183 static void EDIT_MoveWordBackward(WND
*wnd
, EDITSTATE
*es
, BOOL extend
);
184 static void EDIT_MoveWordForward(WND
*wnd
, EDITSTATE
*es
, BOOL extend
);
185 static void EDIT_PaintLine(WND
*wnd
, EDITSTATE
*es
, HDC hdc
, INT line
, BOOL rev
);
186 static INT
EDIT_PaintText(WND
*wnd
, EDITSTATE
*es
, HDC hdc
, INT x
, INT y
, INT line
, INT col
, INT count
, BOOL rev
);
187 static void EDIT_SetCaretPos(WND
*wnd
, EDITSTATE
*es
, INT pos
, BOOL after_wrap
);
188 static void EDIT_SetRectNP(WND
*wnd
, EDITSTATE
*es
, LPRECT lprc
);
189 static void EDIT_UnlockBuffer(WND
*wnd
, EDITSTATE
*es
, BOOL force
);
190 static INT
EDIT_WordBreakProc(LPSTR s
, INT index
, INT count
, INT action
);
192 * EM_XXX message handlers
194 static LRESULT
EDIT_EM_CharFromPos(WND
*wnd
, EDITSTATE
*es
, INT x
, INT y
);
195 static BOOL
EDIT_EM_FmtLines(WND
*wnd
, EDITSTATE
*es
, BOOL add_eol
);
196 static HLOCAL
EDIT_EM_GetHandle(WND
*wnd
, EDITSTATE
*es
);
197 static HLOCAL16
EDIT_EM_GetHandle16(WND
*wnd
, EDITSTATE
*es
);
198 static INT
EDIT_EM_GetLine(WND
*wnd
, EDITSTATE
*es
, INT line
, LPSTR lpch
);
199 static LRESULT
EDIT_EM_GetSel(WND
*wnd
, EDITSTATE
*es
, LPUINT start
, LPUINT end
);
200 static LRESULT
EDIT_EM_GetThumb(WND
*wnd
, EDITSTATE
*es
);
201 static INT
EDIT_EM_LineFromChar(WND
*wnd
, EDITSTATE
*es
, INT index
);
202 static INT
EDIT_EM_LineIndex(WND
*wnd
, EDITSTATE
*es
, INT line
);
203 static INT
EDIT_EM_LineLength(WND
*wnd
, EDITSTATE
*es
, INT index
);
204 static BOOL
EDIT_EM_LineScroll(WND
*wnd
, EDITSTATE
*es
, INT dx
, INT dy
);
205 static LRESULT
EDIT_EM_PosFromChar(WND
*wnd
, EDITSTATE
*es
, INT index
, BOOL after_wrap
);
206 static void EDIT_EM_ReplaceSel(WND
*wnd
, EDITSTATE
*es
, BOOL can_undo
, LPCSTR lpsz_replace
);
207 static LRESULT
EDIT_EM_Scroll(WND
*wnd
, EDITSTATE
*es
, INT action
);
208 static void EDIT_EM_ScrollCaret(WND
*wnd
, EDITSTATE
*es
);
209 static void EDIT_EM_SetHandle(WND
*wnd
, EDITSTATE
*es
, HLOCAL hloc
);
210 static void EDIT_EM_SetHandle16(WND
*wnd
, EDITSTATE
*es
, HLOCAL16 hloc
);
211 static void EDIT_EM_SetLimitText(WND
*wnd
, EDITSTATE
*es
, INT limit
);
212 static void EDIT_EM_SetMargins(WND
*wnd
, EDITSTATE
*es
, INT action
, INT left
, INT right
);
213 static void EDIT_EM_SetPasswordChar(WND
*wnd
, EDITSTATE
*es
, CHAR c
);
214 static void EDIT_EM_SetSel(WND
*wnd
, EDITSTATE
*es
, UINT start
, UINT end
, BOOL after_wrap
);
215 static BOOL
EDIT_EM_SetTabStops(WND
*wnd
, EDITSTATE
*es
, INT count
, LPINT tabs
);
216 static BOOL
EDIT_EM_SetTabStops16(WND
*wnd
, EDITSTATE
*es
, INT count
, LPINT16 tabs
);
217 static void EDIT_EM_SetWordBreakProc(WND
*wnd
, EDITSTATE
*es
, EDITWORDBREAKPROCA wbp
);
218 static void EDIT_EM_SetWordBreakProc16(WND
*wnd
, EDITSTATE
*es
, EDITWORDBREAKPROC16 wbp
);
219 static BOOL
EDIT_EM_Undo(WND
*wnd
, EDITSTATE
*es
);
221 * WM_XXX message handlers
223 static void EDIT_WM_Char(WND
*wnd
, EDITSTATE
*es
, CHAR c
, DWORD key_data
);
224 static void EDIT_WM_Command(WND
*wnd
, EDITSTATE
*es
, INT code
, INT id
, HWND conrtol
);
225 static void EDIT_WM_ContextMenu(WND
*wnd
, EDITSTATE
*es
, HWND hwnd
, INT x
, INT y
);
226 static void EDIT_WM_Copy(WND
*wnd
, EDITSTATE
*es
);
227 static LRESULT
EDIT_WM_Create(WND
*wnd
, EDITSTATE
*es
, LPCREATESTRUCTA cs
);
228 static void EDIT_WM_Destroy(WND
*wnd
, EDITSTATE
*es
);
229 static LRESULT
EDIT_WM_EraseBkGnd(WND
*wnd
, EDITSTATE
*es
, HDC dc
);
230 static INT
EDIT_WM_GetText(WND
*wnd
, EDITSTATE
*es
, INT count
, LPSTR text
);
231 static LRESULT
EDIT_WM_HScroll(WND
*wnd
, EDITSTATE
*es
, INT action
, INT pos
, HWND scroll_bar
);
232 static LRESULT
EDIT_WM_KeyDown(WND
*wnd
, EDITSTATE
*es
, INT key
, DWORD key_data
);
233 static LRESULT
EDIT_WM_KillFocus(WND
*wnd
, EDITSTATE
*es
, HWND window_getting_focus
);
234 static LRESULT
EDIT_WM_LButtonDblClk(WND
*wnd
, EDITSTATE
*es
, DWORD keys
, INT x
, INT y
);
235 static LRESULT
EDIT_WM_LButtonDown(WND
*wnd
, EDITSTATE
*es
, DWORD keys
, INT x
, INT y
);
236 static LRESULT
EDIT_WM_LButtonUp(WND
*wnd
, EDITSTATE
*es
, DWORD keys
, INT x
, INT y
);
237 static LRESULT
EDIT_WM_MouseMove(WND
*wnd
, EDITSTATE
*es
, DWORD keys
, INT x
, INT y
);
238 static LRESULT
EDIT_WM_NCCreate(WND
*wnd
, LPCREATESTRUCTA cs
);
239 static void EDIT_WM_Paint(WND
*wnd
, EDITSTATE
*es
);
240 static void EDIT_WM_Paste(WND
*wnd
, EDITSTATE
*es
);
241 static void EDIT_WM_SetFocus(WND
*wnd
, EDITSTATE
*es
, HWND window_losing_focus
);
242 static void EDIT_WM_SetFont(WND
*wnd
, EDITSTATE
*es
, HFONT font
, BOOL redraw
);
243 static void EDIT_WM_SetText(WND
*wnd
, EDITSTATE
*es
, LPCSTR text
);
244 static void EDIT_WM_Size(WND
*wnd
, EDITSTATE
*es
, UINT action
, INT width
, INT height
);
245 static LRESULT
EDIT_WM_SysKeyDown(WND
*wnd
, EDITSTATE
*es
, INT key
, DWORD key_data
);
246 static void EDIT_WM_Timer(WND
*wnd
, EDITSTATE
*es
, INT id
, TIMERPROC timer_proc
);
247 static LRESULT
EDIT_WM_VScroll(WND
*wnd
, EDITSTATE
*es
, INT action
, INT pos
, HWND scroll_bar
);
250 /*********************************************************************
255 static __inline__ BOOL
EDIT_EM_CanUndo(WND
*wnd
, EDITSTATE
*es
)
257 return (es
->undo_insert_count
|| lstrlenA(es
->undo_text
));
261 /*********************************************************************
266 static __inline__
void EDIT_EM_EmptyUndoBuffer(WND
*wnd
, EDITSTATE
*es
)
268 es
->undo_insert_count
= 0;
269 *es
->undo_text
= '\0';
273 /*********************************************************************
278 static __inline__
void EDIT_WM_Clear(WND
*wnd
, EDITSTATE
*es
)
280 EDIT_EM_ReplaceSel(wnd
, es
, TRUE
, "");
284 /*********************************************************************
289 static __inline__
void EDIT_WM_Cut(WND
*wnd
, EDITSTATE
*es
)
291 EDIT_WM_Copy(wnd
, es
);
292 EDIT_WM_Clear(wnd
, es
);
296 /*********************************************************************
300 * The messages are in the order of the actual integer values
301 * (which can be found in include/windows.h)
302 * Whereever possible the 16 bit versions are converted to
303 * the 32 bit ones, so that we can 'fall through' to the
304 * helper functions. These are mostly 32 bit (with a few
305 * exceptions, clearly indicated by a '16' extension to their
309 LRESULT WINAPI
EditWndProc( HWND hwnd
, UINT msg
,
310 WPARAM wParam
, LPARAM lParam
)
312 WND
*wnd
= WIN_FindWndPtr(hwnd
);
313 EDITSTATE
*es
= *(EDITSTATE
**)((wnd
)->wExtra
);
318 DPRINTF_EDIT_MSG32("WM_DESTROY");
319 EDIT_WM_Destroy(wnd
, es
);
324 DPRINTF_EDIT_MSG32("WM_NCCREATE");
325 result
= EDIT_WM_NCCreate(wnd
, (LPCREATESTRUCTA
)lParam
);
331 result
= DefWindowProcA(hwnd
, msg
, wParam
, lParam
);
336 EDIT_LockBuffer(wnd
, es
);
339 DPRINTF_EDIT_MSG16("EM_GETSEL");
344 DPRINTF_EDIT_MSG32("EM_GETSEL");
345 result
= EDIT_EM_GetSel(wnd
, es
, (LPUINT
)wParam
, (LPUINT
)lParam
);
349 DPRINTF_EDIT_MSG16("EM_SETSEL");
350 if (SLOWORD(lParam
) == -1)
351 EDIT_EM_SetSel(wnd
, es
, -1, 0, FALSE
);
353 EDIT_EM_SetSel(wnd
, es
, LOWORD(lParam
), HIWORD(lParam
), FALSE
);
355 EDIT_EM_ScrollCaret(wnd
, es
);
359 DPRINTF_EDIT_MSG32("EM_SETSEL");
360 EDIT_EM_SetSel(wnd
, es
, wParam
, lParam
, FALSE
);
365 DPRINTF_EDIT_MSG16("EM_GETRECT");
367 CONV_RECT32TO16(&es
->format_rect
, (LPRECT16
)PTR_SEG_TO_LIN(lParam
));
370 DPRINTF_EDIT_MSG32("EM_GETRECT");
372 CopyRect((LPRECT
)lParam
, &es
->format_rect
);
376 DPRINTF_EDIT_MSG16("EM_SETRECT");
377 if ((es
->style
& ES_MULTILINE
) && lParam
) {
379 CONV_RECT16TO32((LPRECT16
)PTR_SEG_TO_LIN(lParam
), &rc
);
380 EDIT_SetRectNP(wnd
, es
, &rc
);
381 InvalidateRect(wnd
->hwndSelf
, NULL
, TRUE
);
385 DPRINTF_EDIT_MSG32("EM_SETRECT");
386 if ((es
->style
& ES_MULTILINE
) && lParam
) {
387 EDIT_SetRectNP(wnd
, es
, (LPRECT
)lParam
);
388 InvalidateRect(wnd
->hwndSelf
, NULL
, TRUE
);
393 DPRINTF_EDIT_MSG16("EM_SETRECTNP");
394 if ((es
->style
& ES_MULTILINE
) && lParam
) {
396 CONV_RECT16TO32((LPRECT16
)PTR_SEG_TO_LIN(lParam
), &rc
);
397 EDIT_SetRectNP(wnd
, es
, &rc
);
401 DPRINTF_EDIT_MSG32("EM_SETRECTNP");
402 if ((es
->style
& ES_MULTILINE
) && lParam
)
403 EDIT_SetRectNP(wnd
, es
, (LPRECT
)lParam
);
407 DPRINTF_EDIT_MSG16("EM_SCROLL");
410 DPRINTF_EDIT_MSG32("EM_SCROLL");
411 result
= EDIT_EM_Scroll(wnd
, es
, (INT
)wParam
);
414 case EM_LINESCROLL16
:
415 DPRINTF_EDIT_MSG16("EM_LINESCROLL");
416 wParam
= (WPARAM
)(INT
)SHIWORD(lParam
);
417 lParam
= (LPARAM
)(INT
)SLOWORD(lParam
);
420 DPRINTF_EDIT_MSG32("EM_LINESCROLL");
421 result
= (LRESULT
)EDIT_EM_LineScroll(wnd
, es
, (INT
)wParam
, (INT
)lParam
);
424 case EM_SCROLLCARET16
:
425 DPRINTF_EDIT_MSG16("EM_SCROLLCARET");
428 DPRINTF_EDIT_MSG32("EM_SCROLLCARET");
429 EDIT_EM_ScrollCaret(wnd
, es
);
434 DPRINTF_EDIT_MSG16("EM_GETMODIFY");
437 DPRINTF_EDIT_MSG32("EM_GETMODIFY");
438 result
= ((es
->flags
& EF_MODIFIED
) != 0);
442 DPRINTF_EDIT_MSG16("EM_SETMODIFY");
445 DPRINTF_EDIT_MSG32("EM_SETMODIFY");
447 es
->flags
|= EF_MODIFIED
;
449 es
->flags
&= ~EF_MODIFIED
;
452 case EM_GETLINECOUNT16
:
453 DPRINTF_EDIT_MSG16("EM_GETLINECOUNT");
455 case EM_GETLINECOUNT
:
456 DPRINTF_EDIT_MSG32("EM_GETLINECOUNT");
457 result
= (es
->style
& ES_MULTILINE
) ? es
->line_count
: 1;
461 DPRINTF_EDIT_MSG16("EM_LINEINDEX");
462 if ((INT16
)wParam
== -1)
466 DPRINTF_EDIT_MSG32("EM_LINEINDEX");
467 result
= (LRESULT
)EDIT_EM_LineIndex(wnd
, es
, (INT
)wParam
);
471 DPRINTF_EDIT_MSG16("EM_SETHANDLE");
472 EDIT_EM_SetHandle16(wnd
, es
, (HLOCAL16
)wParam
);
475 DPRINTF_EDIT_MSG32("EM_SETHANDLE");
476 EDIT_EM_SetHandle(wnd
, es
, (HLOCAL
)wParam
);
480 DPRINTF_EDIT_MSG16("EM_GETHANDLE");
481 result
= (LRESULT
)EDIT_EM_GetHandle16(wnd
, es
);
484 DPRINTF_EDIT_MSG32("EM_GETHANDLE");
485 result
= (LRESULT
)EDIT_EM_GetHandle(wnd
, es
);
489 DPRINTF_EDIT_MSG16("EM_GETTHUMB");
492 DPRINTF_EDIT_MSG32("EM_GETTHUMB");
493 result
= EDIT_EM_GetThumb(wnd
, es
);
496 /* messages 0x00bf and 0x00c0 missing from specs */
499 DPRINTF_EDIT_MSG16("undocumented WM_USER+15, please report");
502 DPRINTF_EDIT_MSG32("undocumented 0x00bf, please report");
503 result
= DefWindowProcA(hwnd
, msg
, wParam
, lParam
);
507 DPRINTF_EDIT_MSG16("undocumented WM_USER+16, please report");
510 DPRINTF_EDIT_MSG32("undocumented 0x00c0, please report");
511 result
= DefWindowProcA(hwnd
, msg
, wParam
, lParam
);
514 case EM_LINELENGTH16
:
515 DPRINTF_EDIT_MSG16("EM_LINELENGTH");
518 DPRINTF_EDIT_MSG32("EM_LINELENGTH");
519 result
= (LRESULT
)EDIT_EM_LineLength(wnd
, es
, (INT
)wParam
);
522 case EM_REPLACESEL16
:
523 DPRINTF_EDIT_MSG16("EM_REPLACESEL");
524 lParam
= (LPARAM
)PTR_SEG_TO_LIN((SEGPTR
)lParam
);
527 DPRINTF_EDIT_MSG32("EM_REPLACESEL");
528 EDIT_EM_ReplaceSel(wnd
, es
, (BOOL
)wParam
, (LPCSTR
)lParam
);
532 /* message 0x00c3 missing from specs */
535 DPRINTF_EDIT_MSG16("undocumented WM_USER+19, please report");
538 DPRINTF_EDIT_MSG32("undocumented 0x00c3, please report");
539 result
= DefWindowProcA(hwnd
, msg
, wParam
, lParam
);
543 DPRINTF_EDIT_MSG16("EM_GETLINE");
544 lParam
= (LPARAM
)PTR_SEG_TO_LIN((SEGPTR
)lParam
);
547 DPRINTF_EDIT_MSG32("EM_GETLINE");
548 result
= (LRESULT
)EDIT_EM_GetLine(wnd
, es
, (INT
)wParam
, (LPSTR
)lParam
);
552 DPRINTF_EDIT_MSG16("EM_LIMITTEXT");
554 case EM_SETLIMITTEXT
:
555 DPRINTF_EDIT_MSG32("EM_SETLIMITTEXT");
556 EDIT_EM_SetLimitText(wnd
, es
, (INT
)wParam
);
560 DPRINTF_EDIT_MSG16("EM_CANUNDO");
563 DPRINTF_EDIT_MSG32("EM_CANUNDO");
564 result
= (LRESULT
)EDIT_EM_CanUndo(wnd
, es
);
568 DPRINTF_EDIT_MSG16("EM_UNDO");
573 DPRINTF_EDIT_MSG32("EM_UNDO / WM_UNDO");
574 result
= (LRESULT
)EDIT_EM_Undo(wnd
, es
);
578 DPRINTF_EDIT_MSG16("EM_FMTLINES");
581 DPRINTF_EDIT_MSG32("EM_FMTLINES");
582 result
= (LRESULT
)EDIT_EM_FmtLines(wnd
, es
, (BOOL
)wParam
);
585 case EM_LINEFROMCHAR16
:
586 DPRINTF_EDIT_MSG16("EM_LINEFROMCHAR");
588 case EM_LINEFROMCHAR
:
589 DPRINTF_EDIT_MSG32("EM_LINEFROMCHAR");
590 result
= (LRESULT
)EDIT_EM_LineFromChar(wnd
, es
, (INT
)wParam
);
593 /* message 0x00ca missing from specs */
596 DPRINTF_EDIT_MSG16("undocumented WM_USER+26, please report");
599 DPRINTF_EDIT_MSG32("undocumented 0x00ca, please report");
600 result
= DefWindowProcA(hwnd
, msg
, wParam
, lParam
);
603 case EM_SETTABSTOPS16
:
604 DPRINTF_EDIT_MSG16("EM_SETTABSTOPS");
605 result
= (LRESULT
)EDIT_EM_SetTabStops16(wnd
, es
, (INT
)wParam
, (LPINT16
)PTR_SEG_TO_LIN((SEGPTR
)lParam
));
608 DPRINTF_EDIT_MSG32("EM_SETTABSTOPS");
609 result
= (LRESULT
)EDIT_EM_SetTabStops(wnd
, es
, (INT
)wParam
, (LPINT
)lParam
);
612 case EM_SETPASSWORDCHAR16
:
613 DPRINTF_EDIT_MSG16("EM_SETPASSWORDCHAR");
615 case EM_SETPASSWORDCHAR
:
616 DPRINTF_EDIT_MSG32("EM_SETPASSWORDCHAR");
617 EDIT_EM_SetPasswordChar(wnd
, es
, (CHAR
)wParam
);
620 case EM_EMPTYUNDOBUFFER16
:
621 DPRINTF_EDIT_MSG16("EM_EMPTYUNDOBUFFER");
623 case EM_EMPTYUNDOBUFFER
:
624 DPRINTF_EDIT_MSG32("EM_EMPTYUNDOBUFFER");
625 EDIT_EM_EmptyUndoBuffer(wnd
, es
);
628 case EM_GETFIRSTVISIBLELINE16
:
629 DPRINTF_EDIT_MSG16("EM_GETFIRSTVISIBLELINE");
630 result
= es
->y_offset
;
632 case EM_GETFIRSTVISIBLELINE
:
633 DPRINTF_EDIT_MSG32("EM_GETFIRSTVISIBLELINE");
634 result
= (es
->style
& ES_MULTILINE
) ? es
->y_offset
: es
->x_offset
;
637 case EM_SETREADONLY16
:
638 DPRINTF_EDIT_MSG16("EM_SETREADONLY");
641 DPRINTF_EDIT_MSG32("EM_SETREADONLY");
643 wnd
->dwStyle
|= ES_READONLY
;
644 es
->style
|= ES_READONLY
;
646 wnd
->dwStyle
&= ~ES_READONLY
;
647 es
->style
&= ~ES_READONLY
;
652 case EM_SETWORDBREAKPROC16
:
653 DPRINTF_EDIT_MSG16("EM_SETWORDBREAKPROC");
654 EDIT_EM_SetWordBreakProc16(wnd
, es
, (EDITWORDBREAKPROC16
)lParam
);
656 case EM_SETWORDBREAKPROC
:
657 DPRINTF_EDIT_MSG32("EM_SETWORDBREAKPROC");
658 EDIT_EM_SetWordBreakProc(wnd
, es
, (EDITWORDBREAKPROCA
)lParam
);
661 case EM_GETWORDBREAKPROC16
:
662 DPRINTF_EDIT_MSG16("EM_GETWORDBREAKPROC");
663 result
= (LRESULT
)es
->word_break_proc16
;
665 case EM_GETWORDBREAKPROC
:
666 DPRINTF_EDIT_MSG32("EM_GETWORDBREAKPROC");
667 result
= (LRESULT
)es
->word_break_proc32A
;
670 case EM_GETPASSWORDCHAR16
:
671 DPRINTF_EDIT_MSG16("EM_GETPASSWORDCHAR");
673 case EM_GETPASSWORDCHAR
:
674 DPRINTF_EDIT_MSG32("EM_GETPASSWORDCHAR");
675 result
= es
->password_char
;
678 /* The following EM_xxx are new to win95 and don't exist for 16 bit */
681 DPRINTF_EDIT_MSG32("EM_SETMARGINS");
682 EDIT_EM_SetMargins(wnd
, es
, (INT
)wParam
, SLOWORD(lParam
), SHIWORD(lParam
));
686 DPRINTF_EDIT_MSG32("EM_GETMARGINS");
687 result
= MAKELONG(es
->left_margin
, es
->right_margin
);
690 case EM_GETLIMITTEXT
:
691 DPRINTF_EDIT_MSG32("EM_GETLIMITTEXT");
692 result
= es
->buffer_limit
;
696 DPRINTF_EDIT_MSG32("EM_POSFROMCHAR");
697 result
= EDIT_EM_PosFromChar(wnd
, es
, (INT
)wParam
, FALSE
);
701 DPRINTF_EDIT_MSG32("EM_CHARFROMPOS");
702 result
= EDIT_EM_CharFromPos(wnd
, es
, SLOWORD(lParam
), SHIWORD(lParam
));
706 DPRINTF_EDIT_MSG32("WM_GETDLGCODE");
707 result
= (es
->style
& ES_MULTILINE
) ?
708 DLGC_WANTALLKEYS
| DLGC_HASSETSEL
| DLGC_WANTCHARS
| DLGC_WANTARROWS
:
709 DLGC_HASSETSEL
| DLGC_WANTCHARS
| DLGC_WANTARROWS
;
713 DPRINTF_EDIT_MSG32("WM_CHAR");
714 EDIT_WM_Char(wnd
, es
, (CHAR
)wParam
, (DWORD
)lParam
);
718 DPRINTF_EDIT_MSG32("WM_CLEAR");
719 EDIT_WM_Clear(wnd
, es
);
723 DPRINTF_EDIT_MSG32("WM_COMMAND");
724 EDIT_WM_Command(wnd
, es
, HIWORD(wParam
), LOWORD(wParam
), (HWND
)lParam
);
728 DPRINTF_EDIT_MSG32("WM_CONTEXTMENU");
729 EDIT_WM_ContextMenu(wnd
, es
, (HWND
)wParam
, SLOWORD(lParam
), SHIWORD(lParam
));
733 DPRINTF_EDIT_MSG32("WM_COPY");
734 EDIT_WM_Copy(wnd
, es
);
738 DPRINTF_EDIT_MSG32("WM_CREATE");
739 result
= EDIT_WM_Create(wnd
, es
, (LPCREATESTRUCTA
)lParam
);
743 DPRINTF_EDIT_MSG32("WM_CUT");
744 EDIT_WM_Cut(wnd
, es
);
748 DPRINTF_EDIT_MSG32("WM_ENABLE");
749 InvalidateRect(hwnd
, NULL
, TRUE
);
753 DPRINTF_EDIT_MSG32("WM_ERASEBKGND");
754 result
= EDIT_WM_EraseBkGnd(wnd
, es
, (HDC
)wParam
);
758 DPRINTF_EDIT_MSG32("WM_GETFONT");
759 result
= (LRESULT
)es
->font
;
763 DPRINTF_EDIT_MSG32("WM_GETTEXT");
764 result
= (LRESULT
)EDIT_WM_GetText(wnd
, es
, (INT
)wParam
, (LPSTR
)lParam
);
767 case WM_GETTEXTLENGTH
:
768 DPRINTF_EDIT_MSG32("WM_GETTEXTLENGTH");
769 result
= lstrlenA(es
->text
);
773 DPRINTF_EDIT_MSG32("WM_HSCROLL");
774 result
= EDIT_WM_HScroll(wnd
, es
, LOWORD(wParam
), SHIWORD(wParam
), (HWND
)lParam
);
778 DPRINTF_EDIT_MSG32("WM_KEYDOWN");
779 result
= EDIT_WM_KeyDown(wnd
, es
, (INT
)wParam
, (DWORD
)lParam
);
783 DPRINTF_EDIT_MSG32("WM_KILLFOCUS");
784 result
= EDIT_WM_KillFocus(wnd
, es
, (HWND
)wParam
);
787 case WM_LBUTTONDBLCLK
:
788 DPRINTF_EDIT_MSG32("WM_LBUTTONDBLCLK");
789 result
= EDIT_WM_LButtonDblClk(wnd
, es
, (DWORD
)wParam
, SLOWORD(lParam
), SHIWORD(lParam
));
793 DPRINTF_EDIT_MSG32("WM_LBUTTONDOWN");
794 result
= EDIT_WM_LButtonDown(wnd
, es
, (DWORD
)wParam
, SLOWORD(lParam
), SHIWORD(lParam
));
798 DPRINTF_EDIT_MSG32("WM_LBUTTONUP");
799 result
= EDIT_WM_LButtonUp(wnd
, es
, (DWORD
)wParam
, SLOWORD(lParam
), SHIWORD(lParam
));
802 case WM_MOUSEACTIVATE
:
804 * FIXME: maybe DefWindowProc() screws up, but it seems that
805 * modalless dialog boxes need this. If we don't do this, the focus
806 * will _not_ be set by DefWindowProc() for edit controls in a
807 * modalless dialog box ???
809 DPRINTF_EDIT_MSG32("WM_MOUSEACTIVATE");
810 SetFocus(wnd
->hwndSelf
);
811 result
= MA_ACTIVATE
;
816 * DPRINTF_EDIT_MSG32("WM_MOUSEMOVE");
818 result
= EDIT_WM_MouseMove(wnd
, es
, (DWORD
)wParam
, SLOWORD(lParam
), SHIWORD(lParam
));
822 DPRINTF_EDIT_MSG32("WM_PAINT");
823 EDIT_WM_Paint(wnd
, es
);
827 DPRINTF_EDIT_MSG32("WM_PASTE");
828 EDIT_WM_Paste(wnd
, es
);
832 DPRINTF_EDIT_MSG32("WM_SETFOCUS");
833 EDIT_WM_SetFocus(wnd
, es
, (HWND
)wParam
);
837 DPRINTF_EDIT_MSG32("WM_SETFONT");
838 EDIT_WM_SetFont(wnd
, es
, (HFONT
)wParam
, LOWORD(lParam
) != 0);
842 DPRINTF_EDIT_MSG32("WM_SETTEXT");
843 EDIT_WM_SetText(wnd
, es
, (LPCSTR
)lParam
);
848 DPRINTF_EDIT_MSG32("WM_SIZE");
849 EDIT_WM_Size(wnd
, es
, (UINT
)wParam
, LOWORD(lParam
), HIWORD(lParam
));
853 DPRINTF_EDIT_MSG32("WM_SYSKEYDOWN");
854 result
= EDIT_WM_SysKeyDown(wnd
, es
, (INT
)wParam
, (DWORD
)lParam
);
858 DPRINTF_EDIT_MSG32("WM_TIMER");
859 EDIT_WM_Timer(wnd
, es
, (INT
)wParam
, (TIMERPROC
)lParam
);
863 DPRINTF_EDIT_MSG32("WM_VSCROLL");
864 result
= EDIT_WM_VScroll(wnd
, es
, LOWORD(wParam
), SHIWORD(wParam
), (HWND
)(lParam
));
868 result
= DefWindowProcA(hwnd
, msg
, wParam
, lParam
);
871 EDIT_UnlockBuffer(wnd
, es
, FALSE
);
873 WIN_ReleaseWndPtr(wnd
);
879 /*********************************************************************
881 * EDIT_BuildLineDefs_ML
883 * Build linked list of text lines.
884 * Lines can end with '\0' (last line), a character (if it is wrapped),
885 * a soft return '\r\r\n' or a hard return '\r\n'
888 static void EDIT_BuildLineDefs_ML(WND
*wnd
, EDITSTATE
*es
)
894 LINEDEF
*current_def
;
895 LINEDEF
**previous_next
;
897 current_def
= es
->first_line_def
;
899 LINEDEF
*next_def
= current_def
->next
;
900 HeapFree(es
->heap
, 0, current_def
);
901 current_def
= next_def
;
902 } while (current_def
);
906 dc
= GetDC(wnd
->hwndSelf
);
908 old_font
= SelectObject(dc
, es
->font
);
910 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
912 previous_next
= &es
->first_line_def
;
914 current_def
= HeapAlloc(es
->heap
, 0, sizeof(LINEDEF
));
915 current_def
->next
= NULL
;
918 if ((*cp
== '\r') && (*(cp
+ 1) == '\n'))
923 current_def
->ending
= END_0
;
924 current_def
->net_length
= lstrlenA(start
);
925 } else if ((cp
> start
) && (*(cp
- 1) == '\r')) {
926 current_def
->ending
= END_SOFT
;
927 current_def
->net_length
= cp
- start
- 1;
929 current_def
->ending
= END_HARD
;
930 current_def
->net_length
= cp
- start
;
932 current_def
->width
= (INT
)LOWORD(GetTabbedTextExtentA(dc
,
933 start
, current_def
->net_length
,
934 es
->tabs_count
, es
->tabs
));
935 /* FIXME: check here for lines that are too wide even in AUTOHSCROLL (> 32767 ???) */
936 if ((!(es
->style
& ES_AUTOHSCROLL
)) && (current_def
->width
> fw
)) {
941 next
= EDIT_CallWordBreakProc(wnd
, es
, start
- es
->text
,
942 prev
+ 1, current_def
->net_length
, WB_RIGHT
);
943 current_def
->width
= (INT
)LOWORD(GetTabbedTextExtentA(dc
,
944 start
, next
, es
->tabs_count
, es
->tabs
));
945 } while (current_def
->width
<= fw
);
951 current_def
->width
= (INT
)LOWORD(GetTabbedTextExtentA(dc
,
952 start
, next
, es
->tabs_count
, es
->tabs
));
953 } while (current_def
->width
<= fw
);
957 current_def
->net_length
= prev
;
958 current_def
->ending
= END_WRAP
;
959 current_def
->width
= (INT
)LOWORD(GetTabbedTextExtentA(dc
, start
,
960 current_def
->net_length
, es
->tabs_count
, es
->tabs
));
962 switch (current_def
->ending
) {
964 current_def
->length
= current_def
->net_length
+ 3;
967 current_def
->length
= current_def
->net_length
+ 2;
971 current_def
->length
= current_def
->net_length
;
974 es
->text_width
= MAX(es
->text_width
, current_def
->width
);
975 start
+= current_def
->length
;
976 *previous_next
= current_def
;
977 previous_next
= ¤t_def
->next
;
979 } while (current_def
->ending
!= END_0
);
981 SelectObject(dc
, old_font
);
982 ReleaseDC(wnd
->hwndSelf
, dc
);
986 /*********************************************************************
988 * EDIT_CallWordBreakProc
990 * Call appropriate WordBreakProc (internal or external).
992 * Note: The "start" argument should always be an index refering
993 * to es->text. The actual wordbreak proc might be
994 * 16 bit, so we can't always pass any 32 bit LPSTR.
995 * Hence we assume that es->text is the buffer that holds
996 * the string under examination (we can decide this for ourselves).
999 static INT
EDIT_CallWordBreakProc(WND
*wnd
, EDITSTATE
*es
, INT start
, INT index
, INT count
, INT action
)
1001 if (es
->word_break_proc16
) {
1002 HLOCAL16 hloc16
= EDIT_EM_GetHandle16(wnd
, es
);
1003 SEGPTR segptr
= LocalLock16(hloc16
);
1004 INT ret
= (INT
)Callbacks
->CallWordBreakProc(es
->word_break_proc16
,
1005 segptr
+ start
, index
, count
, action
);
1006 LocalUnlock16(hloc16
);
1009 else if (es
->word_break_proc32A
)
1011 TRACE(relay
, "(wordbrk=%p,str='%s',idx=%d,cnt=%d,act=%d)\n",
1012 es
->word_break_proc32A
, es
->text
+ start
, index
,
1014 return (INT
)es
->word_break_proc32A( es
->text
+ start
, index
,
1018 return EDIT_WordBreakProc(es
->text
+ start
, index
, count
, action
);
1022 /*********************************************************************
1026 * Beware: This is not the function called on EM_CHARFROMPOS
1027 * The position _can_ be outside the formatting / client
1029 * The return value is only the character index
1032 static INT
EDIT_CharFromPos(WND
*wnd
, EDITSTATE
*es
, INT x
, INT y
, LPBOOL after_wrap
)
1038 if (es
->style
& ES_MULTILINE
) {
1039 INT line
= (y
- es
->format_rect
.top
) / es
->line_height
+ es
->y_offset
;
1041 LINEDEF
*line_def
= es
->first_line_def
;
1043 while ((line
> 0) && line_def
->next
) {
1044 line_index
+= line_def
->length
;
1045 line_def
= line_def
->next
;
1048 x
+= es
->x_offset
- es
->format_rect
.left
;
1049 if (x
>= line_def
->width
) {
1051 *after_wrap
= (line_def
->ending
== END_WRAP
);
1052 return line_index
+ line_def
->net_length
;
1056 *after_wrap
= FALSE
;
1059 dc
= GetDC(wnd
->hwndSelf
);
1061 old_font
= SelectObject(dc
, es
->font
);
1062 low
= line_index
+ 1;
1063 high
= line_index
+ line_def
->net_length
+ 1;
1064 while (low
< high
- 1)
1066 INT mid
= (low
+ high
) / 2;
1067 if (LOWORD(GetTabbedTextExtentA(dc
, es
->text
+ line_index
,mid
- line_index
, es
->tabs_count
, es
->tabs
)) > x
) high
= mid
;
1073 *after_wrap
= ((index
== line_index
+ line_def
->net_length
) &&
1074 (line_def
->ending
== END_WRAP
));
1079 *after_wrap
= FALSE
;
1080 x
-= es
->format_rect
.left
;
1082 return es
->x_offset
;
1083 text
= EDIT_GetPasswordPointer_SL(wnd
, es
);
1084 dc
= GetDC(wnd
->hwndSelf
);
1086 old_font
= SelectObject(dc
, es
->font
);
1090 INT high
= es
->x_offset
;
1091 while (low
< high
- 1)
1093 INT mid
= (low
+ high
) / 2;
1094 GetTextExtentPoint32A( dc
, text
+ mid
,
1095 es
->x_offset
- mid
, &size
);
1096 if (size
.cx
> -x
) low
= mid
;
1103 INT low
= es
->x_offset
;
1104 INT high
= lstrlenA(es
->text
) + 1;
1105 while (low
< high
- 1)
1107 INT mid
= (low
+ high
) / 2;
1108 GetTextExtentPoint32A( dc
, text
+ es
->x_offset
,
1109 mid
- es
->x_offset
, &size
);
1110 if (size
.cx
> x
) high
= mid
;
1115 if (es
->style
& ES_PASSWORD
)
1116 HeapFree(es
->heap
, 0 ,text
);
1119 SelectObject(dc
, old_font
);
1120 ReleaseDC(wnd
->hwndSelf
, dc
);
1125 /*********************************************************************
1129 * adjusts the point to be within the formatting rectangle
1130 * (so CharFromPos returns the nearest _visible_ character)
1133 static void EDIT_ConfinePoint(WND
*wnd
, EDITSTATE
*es
, LPINT x
, LPINT y
)
1135 *x
= MIN(MAX(*x
, es
->format_rect
.left
), es
->format_rect
.right
- 1);
1136 *y
= MIN(MAX(*y
, es
->format_rect
.top
), es
->format_rect
.bottom
- 1);
1140 /*********************************************************************
1144 * Calculates the bounding rectangle for a line from a starting
1145 * column to an ending column.
1148 static void EDIT_GetLineRect(WND
*wnd
, EDITSTATE
*es
, INT line
, INT scol
, INT ecol
, LPRECT rc
)
1150 INT line_index
= EDIT_EM_LineIndex(wnd
, es
, line
);
1152 if (es
->style
& ES_MULTILINE
)
1153 rc
->top
= es
->format_rect
.top
+ (line
- es
->y_offset
) * es
->line_height
;
1155 rc
->top
= es
->format_rect
.top
;
1156 rc
->bottom
= rc
->top
+ es
->line_height
;
1157 rc
->left
= (scol
== 0) ? es
->format_rect
.left
: SLOWORD(EDIT_EM_PosFromChar(wnd
, es
, line_index
+ scol
, TRUE
));
1158 rc
->right
= (ecol
== -1) ? es
->format_rect
.right
: SLOWORD(EDIT_EM_PosFromChar(wnd
, es
, line_index
+ ecol
, TRUE
));
1162 /*********************************************************************
1164 * EDIT_GetPasswordPointer_SL
1166 * note: caller should free the (optionally) allocated buffer
1169 static LPSTR
EDIT_GetPasswordPointer_SL(WND
*wnd
, EDITSTATE
*es
)
1171 if (es
->style
& ES_PASSWORD
) {
1172 INT len
= lstrlenA(es
->text
);
1173 LPSTR text
= HeapAlloc(es
->heap
, 0, len
+ 1);
1174 RtlFillMemory(text
, len
, es
->password_char
);
1182 /*********************************************************************
1186 * This acts as a LOCAL_Lock(), but it locks only once. This way
1187 * you can call it whenever you like, without unlocking.
1190 static void EDIT_LockBuffer(WND
*wnd
, EDITSTATE
*es
)
1193 ERR(edit
, "no EDITSTATE ... please report\n");
1196 if (!(es
->style
& ES_MULTILINE
))
1200 es
->text
= LocalLock(es
->hloc32
);
1201 else if (es
->hloc16
)
1202 es
->text
= LOCAL_Lock(wnd
->hInstance
, es
->hloc16
);
1204 ERR(edit
, "no buffer ... please report\n");
1212 /*********************************************************************
1214 * EDIT_SL_InvalidateText
1216 * Called from EDIT_InvalidateText().
1217 * Does the job for single-line controls only.
1220 static void EDIT_SL_InvalidateText(WND
*wnd
, EDITSTATE
*es
, INT start
, INT end
)
1225 EDIT_GetLineRect(wnd
, es
, 0, start
, end
, &line_rect
);
1226 if (IntersectRect(&rc
, &line_rect
, &es
->format_rect
))
1227 InvalidateRect(wnd
->hwndSelf
, &rc
, FALSE
);
1231 /*********************************************************************
1233 * EDIT_ML_InvalidateText
1235 * Called from EDIT_InvalidateText().
1236 * Does the job for multi-line controls only.
1239 static void EDIT_ML_InvalidateText(WND
*wnd
, EDITSTATE
*es
, INT start
, INT end
)
1241 INT vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
1242 INT sl
= EDIT_EM_LineFromChar(wnd
, es
, start
);
1243 INT el
= EDIT_EM_LineFromChar(wnd
, es
, end
);
1252 if ((el
< es
->y_offset
) || (sl
> es
->y_offset
+ vlc
))
1255 sc
= start
- EDIT_EM_LineIndex(wnd
, es
, sl
);
1256 ec
= end
- EDIT_EM_LineIndex(wnd
, es
, el
);
1257 if (sl
< es
->y_offset
) {
1261 if (el
> es
->y_offset
+ vlc
) {
1262 el
= es
->y_offset
+ vlc
;
1263 ec
= EDIT_EM_LineLength(wnd
, es
, EDIT_EM_LineIndex(wnd
, es
, el
));
1265 GetClientRect(wnd
->hwndSelf
, &rc1
);
1266 IntersectRect(&rcWnd
, &rc1
, &es
->format_rect
);
1268 EDIT_GetLineRect(wnd
, es
, sl
, sc
, ec
, &rcLine
);
1269 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1270 InvalidateRect(wnd
->hwndSelf
, &rcUpdate
, FALSE
);
1272 EDIT_GetLineRect(wnd
, es
, sl
, sc
,
1273 EDIT_EM_LineLength(wnd
, es
,
1274 EDIT_EM_LineIndex(wnd
, es
, sl
)),
1276 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1277 InvalidateRect(wnd
->hwndSelf
, &rcUpdate
, FALSE
);
1278 for (l
= sl
+ 1 ; l
< el
; l
++) {
1279 EDIT_GetLineRect(wnd
, es
, l
, 0,
1280 EDIT_EM_LineLength(wnd
, es
,
1281 EDIT_EM_LineIndex(wnd
, es
, l
)),
1283 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1284 InvalidateRect(wnd
->hwndSelf
, &rcUpdate
, FALSE
);
1286 EDIT_GetLineRect(wnd
, es
, el
, 0, ec
, &rcLine
);
1287 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1288 InvalidateRect(wnd
->hwndSelf
, &rcUpdate
, FALSE
);
1293 /*********************************************************************
1295 * EDIT_InvalidateText
1297 * Invalidate the text from offset start upto, but not including,
1298 * offset end. Useful for (re)painting the selection.
1299 * Regions outside the linewidth are not invalidated.
1300 * end == -1 means end == TextLength.
1301 * start and end need not be ordered.
1304 static void EDIT_InvalidateText(WND
*wnd
, EDITSTATE
*es
, INT start
, INT end
)
1310 end
= lstrlenA(es
->text
);
1312 ORDER_INT(start
, end
);
1314 if (es
->style
& ES_MULTILINE
)
1315 EDIT_ML_InvalidateText(wnd
, es
, start
, end
);
1317 EDIT_SL_InvalidateText(wnd
, es
, start
, end
);
1321 /*********************************************************************
1325 * Try to fit size + 1 bytes in the buffer. Constrain to limits.
1328 static BOOL
EDIT_MakeFit(WND
*wnd
, EDITSTATE
*es
, INT size
)
1333 if (size
<= es
->buffer_size
)
1335 if (size
> es
->buffer_limit
) {
1336 EDIT_NOTIFY_PARENT(wnd
, EN_MAXTEXT
, "EN_MAXTEXT");
1339 size
= ((size
/ GROWLENGTH
) + 1) * GROWLENGTH
;
1340 if (size
> es
->buffer_limit
)
1341 size
= es
->buffer_limit
;
1343 TRACE(edit
, "trying to ReAlloc to %d+1\n", size
);
1345 EDIT_UnlockBuffer(wnd
, es
, TRUE
);
1347 if ((es
->text
= HeapReAlloc(es
->heap
, 0, es
->text
, size
+ 1)))
1348 es
->buffer_size
= MIN(HeapSize(es
->heap
, 0, es
->text
) - 1, es
->buffer_limit
);
1350 es
->buffer_size
= 0;
1351 } else if (es
->hloc32
) {
1352 if ((hNew32
= LocalReAlloc(es
->hloc32
, size
+ 1, 0))) {
1353 TRACE(edit
, "Old 32 bit handle %08x, new handle %08x\n", es
->hloc32
, hNew32
);
1354 es
->hloc32
= hNew32
;
1355 es
->buffer_size
= MIN(LocalSize(es
->hloc32
) - 1, es
->buffer_limit
);
1357 } else if (es
->hloc16
) {
1358 if ((hNew16
= LOCAL_ReAlloc(wnd
->hInstance
, es
->hloc16
, size
+ 1, LMEM_MOVEABLE
))) {
1359 TRACE(edit
, "Old 16 bit handle %08x, new handle %08x\n", es
->hloc16
, hNew16
);
1360 es
->hloc16
= hNew16
;
1361 es
->buffer_size
= MIN(LOCAL_Size(wnd
->hInstance
, es
->hloc16
) - 1, es
->buffer_limit
);
1364 if (es
->buffer_size
< size
) {
1365 EDIT_LockBuffer(wnd
, es
);
1366 WARN(edit
, "FAILED ! We now have %d+1\n", es
->buffer_size
);
1367 EDIT_NOTIFY_PARENT(wnd
, EN_ERRSPACE
, "EN_ERRSPACE");
1370 EDIT_LockBuffer(wnd
, es
);
1371 TRACE(edit
, "We now have %d+1\n", es
->buffer_size
);
1377 /*********************************************************************
1381 * Try to fit size + 1 bytes in the undo buffer.
1384 static BOOL
EDIT_MakeUndoFit(WND
*wnd
, EDITSTATE
*es
, INT size
)
1386 if (size
<= es
->undo_buffer_size
)
1388 size
= ((size
/ GROWLENGTH
) + 1) * GROWLENGTH
;
1390 TRACE(edit
, "trying to ReAlloc to %d+1\n", size
);
1392 if ((es
->undo_text
= HeapReAlloc(es
->heap
, 0, es
->undo_text
, size
+ 1))) {
1393 es
->undo_buffer_size
= HeapSize(es
->heap
, 0, es
->undo_text
) - 1;
1394 if (es
->undo_buffer_size
< size
) {
1395 WARN(edit
, "FAILED ! We now have %d+1\n", es
->undo_buffer_size
);
1404 /*********************************************************************
1409 static void EDIT_MoveBackward(WND
*wnd
, EDITSTATE
*es
, BOOL extend
)
1411 INT e
= es
->selection_end
;
1415 if ((es
->style
& ES_MULTILINE
) && e
&&
1416 (es
->text
[e
- 1] == '\r') && (es
->text
[e
] == '\n')) {
1418 if (e
&& (es
->text
[e
- 1] == '\r'))
1422 EDIT_EM_SetSel(wnd
, es
, extend
? es
->selection_start
: e
, e
, FALSE
);
1423 EDIT_EM_ScrollCaret(wnd
, es
);
1427 /*********************************************************************
1431 * Only for multi line controls
1432 * Move the caret one line down, on a column with the nearest
1433 * x coordinate on the screen (might be a different column).
1436 static void EDIT_MoveDown_ML(WND
*wnd
, EDITSTATE
*es
, BOOL extend
)
1438 INT s
= es
->selection_start
;
1439 INT e
= es
->selection_end
;
1440 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
1441 LRESULT pos
= EDIT_EM_PosFromChar(wnd
, es
, e
, after_wrap
);
1442 INT x
= SLOWORD(pos
);
1443 INT y
= SHIWORD(pos
);
1445 e
= EDIT_CharFromPos(wnd
, es
, x
, y
+ es
->line_height
, &after_wrap
);
1448 EDIT_EM_SetSel(wnd
, es
, s
, e
, after_wrap
);
1449 EDIT_EM_ScrollCaret(wnd
, es
);
1453 /*********************************************************************
1458 static void EDIT_MoveEnd(WND
*wnd
, EDITSTATE
*es
, BOOL extend
)
1460 BOOL after_wrap
= FALSE
;
1463 if (es
->style
& ES_MULTILINE
)
1464 e
= EDIT_CharFromPos(wnd
, es
, 0x7fffffff,
1465 HIWORD(EDIT_EM_PosFromChar(wnd
, es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
)), &after_wrap
);
1467 e
= lstrlenA(es
->text
);
1468 EDIT_EM_SetSel(wnd
, es
, extend
? es
->selection_start
: e
, e
, after_wrap
);
1469 EDIT_EM_ScrollCaret(wnd
, es
);
1473 /*********************************************************************
1478 static void EDIT_MoveForward(WND
*wnd
, EDITSTATE
*es
, BOOL extend
)
1480 INT e
= es
->selection_end
;
1484 if ((es
->style
& ES_MULTILINE
) && (es
->text
[e
- 1] == '\r')) {
1485 if (es
->text
[e
] == '\n')
1487 else if ((es
->text
[e
] == '\r') && (es
->text
[e
+ 1] == '\n'))
1491 EDIT_EM_SetSel(wnd
, es
, extend
? es
->selection_start
: e
, e
, FALSE
);
1492 EDIT_EM_ScrollCaret(wnd
, es
);
1496 /*********************************************************************
1500 * Home key: move to beginning of line.
1503 static void EDIT_MoveHome(WND
*wnd
, EDITSTATE
*es
, BOOL extend
)
1507 if (es
->style
& ES_MULTILINE
)
1508 e
= EDIT_CharFromPos(wnd
, es
, 0x80000000,
1509 HIWORD(EDIT_EM_PosFromChar(wnd
, es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
)), NULL
);
1512 EDIT_EM_SetSel(wnd
, es
, e
, extend
? es
->selection_start
: e
, FALSE
);
1513 EDIT_EM_ScrollCaret(wnd
, es
);
1517 /*********************************************************************
1519 * EDIT_MovePageDown_ML
1521 * Only for multi line controls
1522 * Move the caret one page down, on a column with the nearest
1523 * x coordinate on the screen (might be a different column).
1526 static void EDIT_MovePageDown_ML(WND
*wnd
, EDITSTATE
*es
, BOOL extend
)
1528 INT s
= es
->selection_start
;
1529 INT e
= es
->selection_end
;
1530 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
1531 LRESULT pos
= EDIT_EM_PosFromChar(wnd
, es
, e
, after_wrap
);
1532 INT x
= SLOWORD(pos
);
1533 INT y
= SHIWORD(pos
);
1535 e
= EDIT_CharFromPos(wnd
, es
, x
,
1536 y
+ (es
->format_rect
.bottom
- es
->format_rect
.top
),
1540 EDIT_EM_SetSel(wnd
, es
, s
, e
, after_wrap
);
1541 EDIT_EM_ScrollCaret(wnd
, es
);
1545 /*********************************************************************
1547 * EDIT_MovePageUp_ML
1549 * Only for multi line controls
1550 * Move the caret one page up, on a column with the nearest
1551 * x coordinate on the screen (might be a different column).
1554 static void EDIT_MovePageUp_ML(WND
*wnd
, EDITSTATE
*es
, BOOL extend
)
1556 INT s
= es
->selection_start
;
1557 INT e
= es
->selection_end
;
1558 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
1559 LRESULT pos
= EDIT_EM_PosFromChar(wnd
, es
, e
, after_wrap
);
1560 INT x
= SLOWORD(pos
);
1561 INT y
= SHIWORD(pos
);
1563 e
= EDIT_CharFromPos(wnd
, es
, x
,
1564 y
- (es
->format_rect
.bottom
- es
->format_rect
.top
),
1568 EDIT_EM_SetSel(wnd
, es
, s
, e
, after_wrap
);
1569 EDIT_EM_ScrollCaret(wnd
, es
);
1573 /*********************************************************************
1577 * Only for multi line controls
1578 * Move the caret one line up, on a column with the nearest
1579 * x coordinate on the screen (might be a different column).
1582 static void EDIT_MoveUp_ML(WND
*wnd
, EDITSTATE
*es
, BOOL extend
)
1584 INT s
= es
->selection_start
;
1585 INT e
= es
->selection_end
;
1586 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
1587 LRESULT pos
= EDIT_EM_PosFromChar(wnd
, es
, e
, after_wrap
);
1588 INT x
= SLOWORD(pos
);
1589 INT y
= SHIWORD(pos
);
1591 e
= EDIT_CharFromPos(wnd
, es
, x
, y
- es
->line_height
, &after_wrap
);
1594 EDIT_EM_SetSel(wnd
, es
, s
, e
, after_wrap
);
1595 EDIT_EM_ScrollCaret(wnd
, es
);
1599 /*********************************************************************
1601 * EDIT_MoveWordBackward
1604 static void EDIT_MoveWordBackward(WND
*wnd
, EDITSTATE
*es
, BOOL extend
)
1606 INT s
= es
->selection_start
;
1607 INT e
= es
->selection_end
;
1612 l
= EDIT_EM_LineFromChar(wnd
, es
, e
);
1613 ll
= EDIT_EM_LineLength(wnd
, es
, e
);
1614 li
= EDIT_EM_LineIndex(wnd
, es
, l
);
1617 li
= EDIT_EM_LineIndex(wnd
, es
, l
- 1);
1618 e
= li
+ EDIT_EM_LineLength(wnd
, es
, li
);
1621 e
= li
+ (INT
)EDIT_CallWordBreakProc(wnd
, es
,
1622 li
, e
- li
, ll
, WB_LEFT
);
1626 EDIT_EM_SetSel(wnd
, es
, s
, e
, FALSE
);
1627 EDIT_EM_ScrollCaret(wnd
, es
);
1631 /*********************************************************************
1633 * EDIT_MoveWordForward
1636 static void EDIT_MoveWordForward(WND
*wnd
, EDITSTATE
*es
, BOOL extend
)
1638 INT s
= es
->selection_start
;
1639 INT e
= es
->selection_end
;
1644 l
= EDIT_EM_LineFromChar(wnd
, es
, e
);
1645 ll
= EDIT_EM_LineLength(wnd
, es
, e
);
1646 li
= EDIT_EM_LineIndex(wnd
, es
, l
);
1648 if ((es
->style
& ES_MULTILINE
) && (l
!= es
->line_count
- 1))
1649 e
= EDIT_EM_LineIndex(wnd
, es
, l
+ 1);
1651 e
= li
+ EDIT_CallWordBreakProc(wnd
, es
,
1652 li
, e
- li
+ 1, ll
, WB_RIGHT
);
1656 EDIT_EM_SetSel(wnd
, es
, s
, e
, FALSE
);
1657 EDIT_EM_ScrollCaret(wnd
, es
);
1661 /*********************************************************************
1666 static void EDIT_PaintLine(WND
*wnd
, EDITSTATE
*es
, HDC dc
, INT line
, BOOL rev
)
1668 INT s
= es
->selection_start
;
1669 INT e
= es
->selection_end
;
1676 if (es
->style
& ES_MULTILINE
) {
1677 INT vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
1678 if ((line
< es
->y_offset
) || (line
> es
->y_offset
+ vlc
) || (line
>= es
->line_count
))
1683 TRACE(edit
, "line=%d\n", line
);
1685 pos
= EDIT_EM_PosFromChar(wnd
, es
, EDIT_EM_LineIndex(wnd
, es
, line
), FALSE
);
1688 li
= EDIT_EM_LineIndex(wnd
, es
, line
);
1689 ll
= EDIT_EM_LineLength(wnd
, es
, li
);
1690 s
= es
->selection_start
;
1691 e
= es
->selection_end
;
1693 s
= MIN(li
+ ll
, MAX(li
, s
));
1694 e
= MIN(li
+ ll
, MAX(li
, e
));
1695 if (rev
&& (s
!= e
) &&
1696 ((es
->flags
& EF_FOCUSED
) || (es
->style
& ES_NOHIDESEL
))) {
1697 x
+= EDIT_PaintText(wnd
, es
, dc
, x
, y
, line
, 0, s
- li
, FALSE
);
1698 x
+= EDIT_PaintText(wnd
, es
, dc
, x
, y
, line
, s
- li
, e
- s
, TRUE
);
1699 x
+= EDIT_PaintText(wnd
, es
, dc
, x
, y
, line
, e
- li
, li
+ ll
- e
, FALSE
);
1701 x
+= EDIT_PaintText(wnd
, es
, dc
, x
, y
, line
, 0, ll
, FALSE
);
1705 /*********************************************************************
1710 static INT
EDIT_PaintText(WND
*wnd
, EDITSTATE
*es
, HDC dc
, INT x
, INT y
, INT line
, INT col
, INT count
, BOOL rev
)
1720 BkColor
= GetBkColor(dc
);
1721 TextColor
= GetTextColor(dc
);
1723 SetBkColor(dc
, GetSysColor(COLOR_HIGHLIGHT
));
1724 SetTextColor(dc
, GetSysColor(COLOR_HIGHLIGHTTEXT
));
1726 li
= EDIT_EM_LineIndex(wnd
, es
, line
);
1727 if (es
->style
& ES_MULTILINE
) {
1728 ret
= (INT
)LOWORD(TabbedTextOutA(dc
, x
, y
, es
->text
+ li
+ col
, count
,
1729 es
->tabs_count
, es
->tabs
, es
->format_rect
.left
- es
->x_offset
));
1731 LPSTR text
= EDIT_GetPasswordPointer_SL(wnd
, es
);
1732 TextOutA(dc
, x
, y
, text
+ li
+ col
, count
);
1733 GetTextExtentPoint32A(dc
, text
+ li
+ col
, count
, &size
);
1735 if (es
->style
& ES_PASSWORD
)
1736 HeapFree(es
->heap
, 0, text
);
1739 SetBkColor(dc
, BkColor
);
1740 SetTextColor(dc
, TextColor
);
1746 /*********************************************************************
1751 static void EDIT_SetCaretPos(WND
*wnd
, EDITSTATE
*es
, INT pos
,
1754 LRESULT res
= EDIT_EM_PosFromChar(wnd
, es
, pos
, after_wrap
);
1755 INT x
= SLOWORD(res
);
1756 INT y
= SHIWORD(res
);
1758 if(x
< es
->format_rect
.left
)
1759 x
= es
->format_rect
.left
;
1760 if(x
> es
->format_rect
.right
- 2)
1761 x
= es
->format_rect
.right
- 2;
1762 if(y
> es
->format_rect
.bottom
)
1763 y
= es
->format_rect
.bottom
;
1764 if(y
< es
->format_rect
.top
)
1765 y
= es
->format_rect
.top
;
1771 /*********************************************************************
1775 * note: this is not (exactly) the handler called on EM_SETRECTNP
1776 * it is also used to set the rect of a single line control
1779 static void EDIT_SetRectNP(WND
*wnd
, EDITSTATE
*es
, LPRECT rc
)
1781 CopyRect(&es
->format_rect
, rc
);
1782 if (es
->style
& WS_BORDER
) {
1783 INT bw
= GetSystemMetrics(SM_CXBORDER
) + 1;
1784 if(TWEAK_WineLook
== WIN31_LOOK
)
1786 es
->format_rect
.left
+= bw
;
1787 es
->format_rect
.top
+= bw
;
1788 es
->format_rect
.right
-= bw
;
1789 es
->format_rect
.bottom
-= bw
;
1791 es
->format_rect
.left
+= es
->left_margin
;
1792 es
->format_rect
.right
-= es
->right_margin
;
1793 es
->format_rect
.right
= MAX(es
->format_rect
.right
, es
->format_rect
.left
+ es
->char_width
);
1794 if (es
->style
& ES_MULTILINE
)
1795 es
->format_rect
.bottom
= es
->format_rect
.top
+
1796 MAX(1, (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
) * es
->line_height
;
1798 es
->format_rect
.bottom
= es
->format_rect
.top
+ es
->line_height
;
1799 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_AUTOHSCROLL
))
1800 EDIT_BuildLineDefs_ML(wnd
, es
);
1804 /*********************************************************************
1809 static void EDIT_UnlockBuffer(WND
*wnd
, EDITSTATE
*es
, BOOL force
)
1812 ERR(edit
, "no EDITSTATE ... please report\n");
1815 if (!(es
->style
& ES_MULTILINE
))
1817 if (!es
->lock_count
) {
1818 ERR(edit
, "lock_count == 0 ... please report\n");
1822 ERR(edit
, "es->text == 0 ... please report\n");
1825 if (force
|| (es
->lock_count
== 1)) {
1827 LocalUnlock(es
->hloc32
);
1829 } else if (es
->hloc16
) {
1830 LOCAL_Unlock(wnd
->hInstance
, es
->hloc16
);
1838 /*********************************************************************
1840 * EDIT_WordBreakProc
1842 * Find the beginning of words.
1843 * Note: unlike the specs for a WordBreakProc, this function only
1844 * allows to be called without linebreaks between s[0] upto
1845 * s[count - 1]. Remember it is only called
1846 * internally, so we can decide this for ourselves.
1849 static INT
EDIT_WordBreakProc(LPSTR s
, INT index
, INT count
, INT action
)
1853 TRACE(edit
, "s=%p, index=%u, count=%u, action=%d\n",
1854 s
, index
, count
, action
);
1862 if (s
[index
] == ' ') {
1863 while (index
&& (s
[index
] == ' '))
1866 while (index
&& (s
[index
] != ' '))
1868 if (s
[index
] == ' ')
1872 while (index
&& (s
[index
] != ' '))
1874 if (s
[index
] == ' ')
1884 if (s
[index
] == ' ')
1885 while ((index
< count
) && (s
[index
] == ' ')) index
++;
1887 while (s
[index
] && (s
[index
] != ' ') && (index
< count
))
1889 while ((s
[index
] == ' ') && (index
< count
)) index
++;
1893 case WB_ISDELIMITER
:
1894 ret
= (s
[index
] == ' ');
1897 ERR(edit
, "unknown action code, please report !\n");
1904 /*********************************************************************
1908 * returns line number (not index) in high-order word of result.
1909 * NB : Q137805 is unclear about this. POINT * pointer in lParam apply
1910 * to Richedit, not to the edit control. Original documentation is valid.
1911 * FIXME: do the specs mean to return -1 if outside client area or
1912 * if outside formatting rectangle ???
1915 static LRESULT
EDIT_EM_CharFromPos(WND
*wnd
, EDITSTATE
*es
, INT x
, INT y
)
1923 GetClientRect(wnd
->hwndSelf
, &rc
);
1924 if (!PtInRect(&rc
, pt
))
1927 index
= EDIT_CharFromPos(wnd
, es
, x
, y
, NULL
);
1928 return MAKELONG(index
, EDIT_EM_LineFromChar(wnd
, es
, index
));
1932 /*********************************************************************
1936 * Enable or disable soft breaks.
1938 static BOOL
EDIT_EM_FmtLines(WND
*wnd
, EDITSTATE
*es
, BOOL add_eol
)
1940 es
->flags
&= ~EF_USE_SOFTBRK
;
1942 es
->flags
|= EF_USE_SOFTBRK
;
1943 FIXME(edit
, "soft break enabled, not implemented\n");
1949 /*********************************************************************
1953 * Hopefully this won't fire back at us.
1954 * We always start with a fixed buffer in our own heap.
1955 * However, with this message a 32 bit application requests
1956 * a handle to 32 bit moveable local heap memory, where it expects
1958 * It's a pity that from this moment on we have to use this
1959 * local heap, because applications may rely on the handle
1962 * In this function we'll try to switch to local heap.
1965 static HLOCAL
EDIT_EM_GetHandle(WND
*wnd
, EDITSTATE
*es
)
1971 if (!(es
->style
& ES_MULTILINE
))
1976 else if (es
->hloc16
)
1977 return (HLOCAL
)es
->hloc16
;
1979 if (!(newBuf
= LocalAlloc(LMEM_MOVEABLE
, lstrlenA(es
->text
) + 1))) {
1980 ERR(edit
, "could not allocate new 32 bit buffer\n");
1983 newSize
= MIN(LocalSize(newBuf
) - 1, es
->buffer_limit
);
1984 if (!(newText
= LocalLock(newBuf
))) {
1985 ERR(edit
, "could not lock new 32 bit buffer\n");
1989 lstrcpyA(newText
, es
->text
);
1990 EDIT_UnlockBuffer(wnd
, es
, TRUE
);
1992 HeapFree(es
->heap
, 0, es
->text
);
1993 es
->hloc32
= newBuf
;
1994 es
->hloc16
= (HLOCAL16
)NULL
;
1995 es
->buffer_size
= newSize
;
1997 EDIT_LockBuffer(wnd
, es
);
1998 TRACE(edit
, "switched to 32 bit local heap\n");
2004 /*********************************************************************
2008 * Hopefully this won't fire back at us.
2009 * We always start with a buffer in 32 bit linear memory.
2010 * However, with this message a 16 bit application requests
2011 * a handle of 16 bit local heap memory, where it expects to find
2013 * It's a pitty that from this moment on we have to use this
2014 * local heap, because applications may rely on the handle
2017 * In this function we'll try to switch to local heap.
2019 static HLOCAL16
EDIT_EM_GetHandle16(WND
*wnd
, EDITSTATE
*es
)
2025 if (!(es
->style
& ES_MULTILINE
))
2031 if (!LOCAL_HeapSize(wnd
->hInstance
)) {
2032 if (!LocalInit16(wnd
->hInstance
, 0,
2033 GlobalSize16(wnd
->hInstance
))) {
2034 ERR(edit
, "could not initialize local heap\n");
2037 TRACE(edit
, "local heap initialized\n");
2039 if (!(newBuf
= LOCAL_Alloc(wnd
->hInstance
, LMEM_MOVEABLE
, lstrlenA(es
->text
) + 1))) {
2040 ERR(edit
, "could not allocate new 16 bit buffer\n");
2043 newSize
= MIN(LOCAL_Size(wnd
->hInstance
, newBuf
) - 1, es
->buffer_limit
);
2044 if (!(newText
= LOCAL_Lock(wnd
->hInstance
, newBuf
))) {
2045 ERR(edit
, "could not lock new 16 bit buffer\n");
2046 LOCAL_Free(wnd
->hInstance
, newBuf
);
2049 lstrcpyA(newText
, es
->text
);
2050 EDIT_UnlockBuffer(wnd
, es
, TRUE
);
2052 HeapFree(es
->heap
, 0, es
->text
);
2053 else if (es
->hloc32
) {
2054 while (LocalFree(es
->hloc32
)) ;
2055 LocalFree(es
->hloc32
);
2057 es
->hloc32
= (HLOCAL
)NULL
;
2058 es
->hloc16
= newBuf
;
2059 es
->buffer_size
= newSize
;
2061 EDIT_LockBuffer(wnd
, es
);
2062 TRACE(edit
, "switched to 16 bit buffer\n");
2068 /*********************************************************************
2073 static INT
EDIT_EM_GetLine(WND
*wnd
, EDITSTATE
*es
, INT line
, LPSTR lpch
)
2079 if (es
->style
& ES_MULTILINE
) {
2080 if (line
>= es
->line_count
)
2084 i
= EDIT_EM_LineIndex(wnd
, es
, line
);
2086 len
= MIN(*(WORD
*)lpch
, EDIT_EM_LineLength(wnd
, es
, i
));
2087 for (i
= 0 ; i
< len
; i
++) {
2092 return (LRESULT
)len
;
2096 /*********************************************************************
2101 static LRESULT
EDIT_EM_GetSel(WND
*wnd
, EDITSTATE
*es
, LPUINT start
, LPUINT end
)
2103 UINT s
= es
->selection_start
;
2104 UINT e
= es
->selection_end
;
2111 return MAKELONG(s
, e
);
2115 /*********************************************************************
2119 * FIXME: is this right ? (or should it be only VSCROLL)
2120 * (and maybe only for edit controls that really have their
2121 * own scrollbars) (and maybe only for multiline controls ?)
2122 * All in all: very poorly documented
2124 * FIXME: now it's also broken, because of the new WM_HSCROLL /
2125 * WM_VSCROLL handlers
2128 static LRESULT
EDIT_EM_GetThumb(WND
*wnd
, EDITSTATE
*es
)
2130 return MAKELONG(EDIT_WM_VScroll(wnd
, es
, EM_GETTHUMB16
, 0, 0),
2131 EDIT_WM_HScroll(wnd
, es
, EM_GETTHUMB16
, 0, 0));
2135 /*********************************************************************
2140 static INT
EDIT_EM_LineFromChar(WND
*wnd
, EDITSTATE
*es
, INT index
)
2145 if (!(es
->style
& ES_MULTILINE
))
2147 if (index
> lstrlenA(es
->text
))
2148 return es
->line_count
- 1;
2150 index
= MIN(es
->selection_start
, es
->selection_end
);
2153 line_def
= es
->first_line_def
;
2154 index
-= line_def
->length
;
2155 while ((index
>= 0) && line_def
->next
) {
2157 line_def
= line_def
->next
;
2158 index
-= line_def
->length
;
2164 /*********************************************************************
2169 static INT
EDIT_EM_LineIndex(WND
*wnd
, EDITSTATE
*es
, INT line
)
2174 if (!(es
->style
& ES_MULTILINE
))
2176 if (line
>= es
->line_count
)
2180 line_def
= es
->first_line_def
;
2182 INT index
= es
->selection_end
- line_def
->length
;
2183 while ((index
>= 0) && line_def
->next
) {
2184 line_index
+= line_def
->length
;
2185 line_def
= line_def
->next
;
2186 index
-= line_def
->length
;
2190 line_index
+= line_def
->length
;
2191 line_def
= line_def
->next
;
2199 /*********************************************************************
2204 static INT
EDIT_EM_LineLength(WND
*wnd
, EDITSTATE
*es
, INT index
)
2208 if (!(es
->style
& ES_MULTILINE
))
2209 return lstrlenA(es
->text
);
2213 INT32 sl = EDIT_EM_LineFromChar(wnd, es, es->selection_start);
2214 INT32 el = EDIT_EM_LineFromChar(wnd, es, es->selection_end);
2215 return es->selection_start - es->line_defs[sl].offset +
2216 es->line_defs[el].offset +
2217 es->line_defs[el].length - es->selection_end;
2221 line_def
= es
->first_line_def
;
2222 index
-= line_def
->length
;
2223 while ((index
>= 0) && line_def
->next
) {
2224 line_def
= line_def
->next
;
2225 index
-= line_def
->length
;
2227 return line_def
->net_length
;
2231 /*********************************************************************
2235 * FIXME: dx is in average character widths
2236 * However, we assume it is in pixels when we use this
2237 * function internally
2240 static BOOL
EDIT_EM_LineScroll(WND
*wnd
, EDITSTATE
*es
, INT dx
, INT dy
)
2244 if (!(es
->style
& ES_MULTILINE
))
2247 if (-dx
> es
->x_offset
)
2249 if (dx
> es
->text_width
- es
->x_offset
)
2250 dx
= es
->text_width
- es
->x_offset
;
2251 nyoff
= MAX(0, es
->y_offset
+ dy
);
2252 if (nyoff
>= es
->line_count
)
2253 nyoff
= es
->line_count
- 1;
2254 dy
= (es
->y_offset
- nyoff
) * es
->line_height
;
2258 GetClientRect(wnd
->hwndSelf
, &rc1
);
2259 IntersectRect(&rc
, &rc1
, &es
->format_rect
);
2260 ScrollWindowEx(wnd
->hwndSelf
, -dx
, dy
,
2261 NULL
, &rc
, (HRGN
)NULL
, NULL
, SW_INVALIDATE
);
2262 es
->y_offset
= nyoff
;
2265 if (dx
&& !(es
->flags
& EF_HSCROLL_TRACK
))
2266 EDIT_NOTIFY_PARENT(wnd
, EN_HSCROLL
, "EN_HSCROLL");
2267 if (dy
&& !(es
->flags
& EF_VSCROLL_TRACK
))
2268 EDIT_NOTIFY_PARENT(wnd
, EN_VSCROLL
, "EN_VSCROLL");
2273 /*********************************************************************
2278 static LRESULT
EDIT_EM_PosFromChar(WND
*wnd
, EDITSTATE
*es
, INT index
, BOOL after_wrap
)
2280 INT len
= lstrlenA(es
->text
);
2289 index
= MIN(index
, len
);
2290 dc
= GetDC(wnd
->hwndSelf
);
2292 old_font
= SelectObject(dc
, es
->font
);
2293 if (es
->style
& ES_MULTILINE
) {
2294 l
= EDIT_EM_LineFromChar(wnd
, es
, index
);
2295 y
= (l
- es
->y_offset
) * es
->line_height
;
2296 li
= EDIT_EM_LineIndex(wnd
, es
, l
);
2297 if (after_wrap
&& (li
== index
) && l
) {
2299 LINEDEF
*line_def
= es
->first_line_def
;
2301 line_def
= line_def
->next
;
2304 if (line_def
->ending
== END_WRAP
) {
2306 y
-= es
->line_height
;
2307 li
= EDIT_EM_LineIndex(wnd
, es
, l
);
2310 x
= LOWORD(GetTabbedTextExtentA(dc
, es
->text
+ li
, index
- li
,
2311 es
->tabs_count
, es
->tabs
)) - es
->x_offset
;
2313 LPSTR text
= EDIT_GetPasswordPointer_SL(wnd
, es
);
2314 if (index
< es
->x_offset
) {
2315 GetTextExtentPoint32A(dc
, text
+ index
,
2316 es
->x_offset
- index
, &size
);
2319 GetTextExtentPoint32A(dc
, text
+ es
->x_offset
,
2320 index
- es
->x_offset
, &size
);
2324 if (es
->style
& ES_PASSWORD
)
2325 HeapFree(es
->heap
, 0 ,text
);
2327 x
+= es
->format_rect
.left
;
2328 y
+= es
->format_rect
.top
;
2330 SelectObject(dc
, old_font
);
2331 ReleaseDC(wnd
->hwndSelf
, dc
);
2332 return MAKELONG((INT16
)x
, (INT16
)y
);
2336 /*********************************************************************
2340 * FIXME: handle ES_NUMBER and ES_OEMCONVERT here
2343 static void EDIT_EM_ReplaceSel(WND
*wnd
, EDITSTATE
*es
, BOOL can_undo
, LPCSTR lpsz_replace
)
2345 INT strl
= lstrlenA(lpsz_replace
);
2346 INT tl
= lstrlenA(es
->text
);
2353 s
= es
->selection_start
;
2354 e
= es
->selection_end
;
2356 if ((s
== e
) && !strl
)
2361 if (!EDIT_MakeFit(wnd
, es
, tl
- (e
- s
) + strl
))
2365 /* there is something to be deleted */
2367 utl
= lstrlenA(es
->undo_text
);
2368 if (!es
->undo_insert_count
&& (*es
->undo_text
&& (s
== es
->undo_position
))) {
2369 /* undo-buffer is extended to the right */
2370 EDIT_MakeUndoFit(wnd
, es
, utl
+ e
- s
);
2371 lstrcpynA(es
->undo_text
+ utl
, es
->text
+ s
, e
- s
+ 1);
2372 } else if (!es
->undo_insert_count
&& (*es
->undo_text
&& (e
== es
->undo_position
))) {
2373 /* undo-buffer is extended to the left */
2374 EDIT_MakeUndoFit(wnd
, es
, utl
+ e
- s
);
2375 for (p
= es
->undo_text
+ utl
; p
>= es
->undo_text
; p
--)
2377 for (i
= 0 , p
= es
->undo_text
; i
< e
- s
; i
++)
2378 p
[i
] = (es
->text
+ s
)[i
];
2379 es
->undo_position
= s
;
2381 /* new undo-buffer */
2382 EDIT_MakeUndoFit(wnd
, es
, e
- s
);
2383 lstrcpynA(es
->undo_text
, es
->text
+ s
, e
- s
+ 1);
2384 es
->undo_position
= s
;
2386 /* any deletion makes the old insertion-undo invalid */
2387 es
->undo_insert_count
= 0;
2389 EDIT_EM_EmptyUndoBuffer(wnd
, es
);
2392 lstrcpyA(es
->text
+ s
, es
->text
+ e
);
2395 /* there is an insertion */
2397 if ((s
== es
->undo_position
) ||
2398 ((es
->undo_insert_count
) &&
2399 (s
== es
->undo_position
+ es
->undo_insert_count
)))
2401 * insertion is new and at delete position or
2402 * an extension to either left or right
2404 es
->undo_insert_count
+= strl
;
2406 /* new insertion undo */
2407 es
->undo_position
= s
;
2408 es
->undo_insert_count
= strl
;
2409 /* new insertion makes old delete-buffer invalid */
2410 *es
->undo_text
= '\0';
2413 EDIT_EM_EmptyUndoBuffer(wnd
, es
);
2416 tl
= lstrlenA(es
->text
);
2417 for (p
= es
->text
+ tl
; p
>= es
->text
+ s
; p
--)
2419 for (i
= 0 , p
= es
->text
+ s
; i
< strl
; i
++)
2420 p
[i
] = lpsz_replace
[i
];
2421 if(es
->style
& ES_UPPERCASE
)
2422 CharUpperBuffA(p
, strl
);
2423 else if(es
->style
& ES_LOWERCASE
)
2424 CharLowerBuffA(p
, strl
);
2427 /* FIXME: really inefficient */
2428 if (es
->style
& ES_MULTILINE
)
2429 EDIT_BuildLineDefs_ML(wnd
, es
);
2431 EDIT_EM_SetSel(wnd
, es
, s
, s
, FALSE
);
2432 es
->flags
|= EF_MODIFIED
;
2433 es
->flags
|= EF_UPDATE
;
2434 EDIT_EM_ScrollCaret(wnd
, es
);
2436 /* FIXME: really inefficient */
2437 InvalidateRect(wnd
->hwndSelf
, NULL
, TRUE
);
2441 /*********************************************************************
2446 static LRESULT
EDIT_EM_Scroll(WND
*wnd
, EDITSTATE
*es
, INT action
)
2450 if (!(es
->style
& ES_MULTILINE
))
2451 return (LRESULT
)FALSE
;
2461 if (es
->y_offset
< es
->line_count
- 1)
2466 dy
= -(es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
2469 if (es
->y_offset
< es
->line_count
- 1)
2470 dy
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
2473 return (LRESULT
)FALSE
;
2476 EDIT_EM_LineScroll(wnd
, es
, 0, dy
);
2477 EDIT_NOTIFY_PARENT(wnd
, EN_VSCROLL
, "EN_VSCROLL");
2479 return MAKELONG((INT16
)dy
, (BOOL16
)TRUE
);
2483 /*********************************************************************
2488 static void EDIT_EM_ScrollCaret(WND
*wnd
, EDITSTATE
*es
)
2490 if (es
->style
& ES_MULTILINE
) {
2495 INT cw
= es
->char_width
;
2500 l
= EDIT_EM_LineFromChar(wnd
, es
, es
->selection_end
);
2501 li
= EDIT_EM_LineIndex(wnd
, es
, l
);
2502 x
= SLOWORD(EDIT_EM_PosFromChar(wnd
, es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
));
2503 vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
2504 if (l
>= es
->y_offset
+ vlc
)
2505 dy
= l
- vlc
+ 1 - es
->y_offset
;
2506 if (l
< es
->y_offset
)
2507 dy
= l
- es
->y_offset
;
2508 ww
= es
->format_rect
.right
- es
->format_rect
.left
;
2509 if (x
< es
->format_rect
.left
)
2510 dx
= x
- es
->format_rect
.left
- ww
/ HSCROLL_FRACTION
/ cw
* cw
;
2511 if (x
> es
->format_rect
.right
)
2512 dx
= x
- es
->format_rect
.left
- (HSCROLL_FRACTION
- 1) * ww
/ HSCROLL_FRACTION
/ cw
* cw
;
2514 EDIT_EM_LineScroll(wnd
, es
, dx
, dy
);
2520 if (!(es
->style
& ES_AUTOHSCROLL
))
2523 x
= SLOWORD(EDIT_EM_PosFromChar(wnd
, es
, es
->selection_end
, FALSE
));
2524 format_width
= es
->format_rect
.right
- es
->format_rect
.left
;
2525 if (x
< es
->format_rect
.left
) {
2526 goal
= es
->format_rect
.left
+ format_width
/ HSCROLL_FRACTION
;
2529 x
= SLOWORD(EDIT_EM_PosFromChar(wnd
, es
, es
->selection_end
, FALSE
));
2530 } while ((x
< goal
) && es
->x_offset
);
2531 /* FIXME: use ScrollWindow() somehow to improve performance */
2532 InvalidateRect(wnd
->hwndSelf
, NULL
, TRUE
);
2533 } else if (x
> es
->format_rect
.right
) {
2535 INT len
= lstrlenA(es
->text
);
2536 goal
= es
->format_rect
.right
- format_width
/ HSCROLL_FRACTION
;
2539 x
= SLOWORD(EDIT_EM_PosFromChar(wnd
, es
, es
->selection_end
, FALSE
));
2540 x_last
= SLOWORD(EDIT_EM_PosFromChar(wnd
, es
, len
, FALSE
));
2541 } while ((x
> goal
) && (x_last
> es
->format_rect
.right
));
2542 /* FIXME: use ScrollWindow() somehow to improve performance */
2543 InvalidateRect(wnd
->hwndSelf
, NULL
, TRUE
);
2549 /*********************************************************************
2553 * FIXME: ES_LOWERCASE, ES_UPPERCASE, ES_OEMCONVERT, ES_NUMBER ???
2556 static void EDIT_EM_SetHandle(WND
*wnd
, EDITSTATE
*es
, HLOCAL hloc
)
2558 if (!(es
->style
& ES_MULTILINE
))
2562 WARN(edit
, "called with NULL handle\n");
2566 EDIT_UnlockBuffer(wnd
, es
, TRUE
);
2568 * old buffer is freed by caller, unless
2569 * it is still in our own heap. (in that case
2570 * we free it, correcting the buggy caller.)
2573 HeapFree(es
->heap
, 0, es
->text
);
2575 es
->hloc16
= (HLOCAL16
)NULL
;
2578 es
->buffer_size
= LocalSize(es
->hloc32
) - 1;
2579 EDIT_LockBuffer(wnd
, es
);
2581 es
->x_offset
= es
->y_offset
= 0;
2582 es
->selection_start
= es
->selection_end
= 0;
2583 EDIT_EM_EmptyUndoBuffer(wnd
, es
);
2584 es
->flags
&= ~EF_MODIFIED
;
2585 es
->flags
&= ~EF_UPDATE
;
2586 EDIT_BuildLineDefs_ML(wnd
, es
);
2587 InvalidateRect(wnd
->hwndSelf
, NULL
, TRUE
);
2588 EDIT_EM_ScrollCaret(wnd
, es
);
2592 /*********************************************************************
2596 * FIXME: ES_LOWERCASE, ES_UPPERCASE, ES_OEMCONVERT, ES_NUMBER ???
2599 static void EDIT_EM_SetHandle16(WND
*wnd
, EDITSTATE
*es
, HLOCAL16 hloc
)
2601 if (!(es
->style
& ES_MULTILINE
))
2605 WARN(edit
, "called with NULL handle\n");
2609 EDIT_UnlockBuffer(wnd
, es
, TRUE
);
2611 * old buffer is freed by caller, unless
2612 * it is still in our own heap. (in that case
2613 * we free it, correcting the buggy caller.)
2616 HeapFree(es
->heap
, 0, es
->text
);
2619 es
->hloc32
= (HLOCAL
)NULL
;
2621 es
->buffer_size
= LOCAL_Size(wnd
->hInstance
, es
->hloc16
) - 1;
2622 EDIT_LockBuffer(wnd
, es
);
2624 es
->x_offset
= es
->y_offset
= 0;
2625 es
->selection_start
= es
->selection_end
= 0;
2626 EDIT_EM_EmptyUndoBuffer(wnd
, es
);
2627 es
->flags
&= ~EF_MODIFIED
;
2628 es
->flags
&= ~EF_UPDATE
;
2629 EDIT_BuildLineDefs_ML(wnd
, es
);
2630 InvalidateRect(wnd
->hwndSelf
, NULL
, TRUE
);
2631 EDIT_EM_ScrollCaret(wnd
, es
);
2635 /*********************************************************************
2639 * FIXME: in WinNT maxsize is 0x7FFFFFFF / 0xFFFFFFFF
2640 * However, the windows version is not complied to yet in all of edit.c
2643 static void EDIT_EM_SetLimitText(WND
*wnd
, EDITSTATE
*es
, INT limit
)
2645 if (es
->style
& ES_MULTILINE
) {
2647 es
->buffer_limit
= MIN(limit
, BUFLIMIT_MULTI
);
2649 es
->buffer_limit
= BUFLIMIT_MULTI
;
2652 es
->buffer_limit
= MIN(limit
, BUFLIMIT_SINGLE
);
2654 es
->buffer_limit
= BUFLIMIT_SINGLE
;
2659 /*********************************************************************
2663 * EC_USEFONTINFO is used as a left or right value i.e. lParam and not as an
2664 * action wParam despite what the docs say. EC_USEFONTINFO means one third
2665 * of the char's width, according to the new docs.
2668 static void EDIT_EM_SetMargins(WND
*wnd
, EDITSTATE
*es
, INT action
,
2669 INT left
, INT right
)
2671 if (action
& EC_LEFTMARGIN
) {
2672 if (left
!= EC_USEFONTINFO
)
2673 es
->left_margin
= left
;
2675 es
->left_margin
= es
->char_width
/ 3;
2678 if (action
& EC_RIGHTMARGIN
) {
2679 if (right
!= EC_USEFONTINFO
)
2680 es
->right_margin
= right
;
2682 es
->right_margin
= es
->char_width
/ 3;
2684 TRACE(edit
, "left=%d, right=%d\n", es
->left_margin
, es
->right_margin
);
2688 /*********************************************************************
2690 * EM_SETPASSWORDCHAR
2693 static void EDIT_EM_SetPasswordChar(WND
*wnd
, EDITSTATE
*es
, CHAR c
)
2695 if (es
->style
& ES_MULTILINE
)
2698 if (es
->password_char
== c
)
2701 es
->password_char
= c
;
2703 wnd
->dwStyle
|= ES_PASSWORD
;
2704 es
->style
|= ES_PASSWORD
;
2706 wnd
->dwStyle
&= ~ES_PASSWORD
;
2707 es
->style
&= ~ES_PASSWORD
;
2709 InvalidateRect(wnd
->hwndSelf
, NULL
, TRUE
);
2713 /*********************************************************************
2717 * note: unlike the specs say: the order of start and end
2718 * _is_ preserved in Windows. (i.e. start can be > end)
2719 * In other words: this handler is OK
2722 static void EDIT_EM_SetSel(WND
*wnd
, EDITSTATE
*es
, UINT start
, UINT end
, BOOL after_wrap
)
2724 UINT old_start
= es
->selection_start
;
2725 UINT old_end
= es
->selection_end
;
2726 UINT len
= lstrlenA(es
->text
);
2729 start
= es
->selection_end
;
2730 end
= es
->selection_end
;
2732 start
= MIN(start
, len
);
2733 end
= MIN(end
, len
);
2735 es
->selection_start
= start
;
2736 es
->selection_end
= end
;
2738 es
->flags
|= EF_AFTER_WRAP
;
2740 es
->flags
&= ~EF_AFTER_WRAP
;
2741 if (es
->flags
& EF_FOCUSED
)
2742 EDIT_SetCaretPos(wnd
, es
, end
, after_wrap
);
2743 /* This is little bit more efficient than before, not sure if it can be improved. FIXME? */
2744 ORDER_UINT(start
, end
);
2745 ORDER_UINT(end
, old_end
);
2746 ORDER_UINT(start
, old_start
);
2747 ORDER_UINT(old_start
, old_end
);
2748 if (end
!= old_start
)
2752 * ORDER_UINT32(end, old_start);
2753 * EDIT_InvalidateText(wnd, es, start, end);
2754 * EDIT_InvalidateText(wnd, es, old_start, old_end);
2755 * in place of the following if statement.
2757 if (old_start
> end
)
2759 EDIT_InvalidateText(wnd
, es
, start
, end
);
2760 EDIT_InvalidateText(wnd
, es
, old_start
, old_end
);
2764 EDIT_InvalidateText(wnd
, es
, start
, old_start
);
2765 EDIT_InvalidateText(wnd
, es
, end
, old_end
);
2768 else EDIT_InvalidateText(wnd
, es
, start
, old_end
);
2772 /*********************************************************************
2777 static BOOL
EDIT_EM_SetTabStops(WND
*wnd
, EDITSTATE
*es
, INT count
, LPINT tabs
)
2779 if (!(es
->style
& ES_MULTILINE
))
2782 HeapFree(es
->heap
, 0, es
->tabs
);
2783 es
->tabs_count
= count
;
2787 es
->tabs
= HeapAlloc(es
->heap
, 0, count
* sizeof(INT
));
2788 memcpy(es
->tabs
, tabs
, count
* sizeof(INT
));
2794 /*********************************************************************
2799 static BOOL
EDIT_EM_SetTabStops16(WND
*wnd
, EDITSTATE
*es
, INT count
, LPINT16 tabs
)
2801 if (!(es
->style
& ES_MULTILINE
))
2804 HeapFree(es
->heap
, 0, es
->tabs
);
2805 es
->tabs_count
= count
;
2810 es
->tabs
= HeapAlloc(es
->heap
, 0, count
* sizeof(INT
));
2811 for (i
= 0 ; i
< count
; i
++)
2812 es
->tabs
[i
] = *tabs
++;
2818 /*********************************************************************
2820 * EM_SETWORDBREAKPROC
2823 static void EDIT_EM_SetWordBreakProc(WND
*wnd
, EDITSTATE
*es
, EDITWORDBREAKPROCA wbp
)
2825 if (es
->word_break_proc32A
== wbp
)
2828 es
->word_break_proc32A
= wbp
;
2829 es
->word_break_proc16
= NULL
;
2830 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_AUTOHSCROLL
)) {
2831 EDIT_BuildLineDefs_ML(wnd
, es
);
2832 InvalidateRect(wnd
->hwndSelf
, NULL
, TRUE
);
2837 /*********************************************************************
2839 * EM_SETWORDBREAKPROC16
2842 static void EDIT_EM_SetWordBreakProc16(WND
*wnd
, EDITSTATE
*es
, EDITWORDBREAKPROC16 wbp
)
2844 if (es
->word_break_proc16
== wbp
)
2847 es
->word_break_proc32A
= NULL
;
2848 es
->word_break_proc16
= wbp
;
2849 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_AUTOHSCROLL
)) {
2850 EDIT_BuildLineDefs_ML(wnd
, es
);
2851 InvalidateRect(wnd
->hwndSelf
, NULL
, TRUE
);
2856 /*********************************************************************
2861 static BOOL
EDIT_EM_Undo(WND
*wnd
, EDITSTATE
*es
)
2863 INT ulength
= lstrlenA(es
->undo_text
);
2864 LPSTR utext
= HeapAlloc(es
->heap
, 0, ulength
+ 1);
2866 lstrcpyA(utext
, es
->undo_text
);
2868 TRACE(edit
, "before UNDO:insertion length = %d, deletion buffer = %s\n",
2869 es
->undo_insert_count
, utext
);
2871 EDIT_EM_SetSel(wnd
, es
, es
->undo_position
, es
->undo_position
+ es
->undo_insert_count
, FALSE
);
2872 EDIT_EM_EmptyUndoBuffer(wnd
, es
);
2873 EDIT_EM_ReplaceSel(wnd
, es
, TRUE
, utext
);
2874 EDIT_EM_SetSel(wnd
, es
, es
->undo_position
, es
->undo_position
+ es
->undo_insert_count
, FALSE
);
2875 HeapFree(es
->heap
, 0, utext
);
2877 TRACE(edit
, "after UNDO:insertion length = %d, deletion buffer = %s\n",
2878 es
->undo_insert_count
, es
->undo_text
);
2884 /*********************************************************************
2889 static void EDIT_WM_Char(WND
*wnd
, EDITSTATE
*es
, CHAR c
, DWORD key_data
)
2894 if (es
->style
& ES_MULTILINE
) {
2895 if (es
->style
& ES_READONLY
) {
2896 EDIT_MoveHome(wnd
, es
, FALSE
);
2897 EDIT_MoveDown_ML(wnd
, es
, FALSE
);
2899 EDIT_EM_ReplaceSel(wnd
, es
, TRUE
, "\r\n");
2903 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_READONLY
))
2904 EDIT_EM_ReplaceSel(wnd
, es
, TRUE
, "\t");
2907 if (!(es
->style
& ES_READONLY
) && ((BYTE
)c
>= ' ') && (c
!= 127)) {
2911 EDIT_EM_ReplaceSel(wnd
, es
, TRUE
, str
);
2918 /*********************************************************************
2923 static void EDIT_WM_Command(WND
*wnd
, EDITSTATE
*es
, INT code
, INT id
, HWND control
)
2925 if (code
|| control
)
2930 EDIT_EM_Undo(wnd
, es
);
2933 EDIT_WM_Cut(wnd
, es
);
2936 EDIT_WM_Copy(wnd
, es
);
2939 EDIT_WM_Paste(wnd
, es
);
2942 EDIT_WM_Clear(wnd
, es
);
2945 EDIT_EM_SetSel(wnd
, es
, 0, -1, FALSE
);
2946 EDIT_EM_ScrollCaret(wnd
, es
);
2949 ERR(edit
, "unknown menu item, please report\n");
2955 /*********************************************************************
2959 * Note: the resource files resource/sysres_??.rc cannot define a
2960 * single popup menu. Hence we use a (dummy) menubar
2961 * containing the single popup menu as its first item.
2963 * FIXME: the message identifiers have been chosen arbitrarily,
2964 * hence we use MF_BYPOSITION.
2965 * We might as well use the "real" values (anybody knows ?)
2966 * The menu definition is in resources/sysres_??.rc.
2967 * Once these are OK, we better use MF_BYCOMMAND here
2968 * (as we do in EDIT_WM_Command()).
2971 static void EDIT_WM_ContextMenu(WND
*wnd
, EDITSTATE
*es
, HWND hwnd
, INT x
, INT y
)
2973 HMENU menu
= LoadMenuIndirectA(SYSRES_GetResPtr(SYSRES_MENU_EDITMENU
));
2974 HMENU popup
= GetSubMenu(menu
, 0);
2975 UINT start
= es
->selection_start
;
2976 UINT end
= es
->selection_end
;
2978 ORDER_UINT(start
, end
);
2981 EnableMenuItem(popup
, 0, MF_BYPOSITION
| (EDIT_EM_CanUndo(wnd
, es
) ? MF_ENABLED
: MF_GRAYED
));
2983 EnableMenuItem(popup
, 2, MF_BYPOSITION
| ((end
- start
) && !(es
->style
& ES_PASSWORD
) ? MF_ENABLED
: MF_GRAYED
));
2985 EnableMenuItem(popup
, 3, MF_BYPOSITION
| ((end
- start
) && !(es
->style
& ES_PASSWORD
) ? MF_ENABLED
: MF_GRAYED
));
2987 EnableMenuItem(popup
, 4, MF_BYPOSITION
| (IsClipboardFormatAvailable(CF_TEXT
) ? MF_ENABLED
: MF_GRAYED
));
2989 EnableMenuItem(popup
, 5, MF_BYPOSITION
| ((end
- start
) ? MF_ENABLED
: MF_GRAYED
));
2991 EnableMenuItem(popup
, 7, MF_BYPOSITION
| (start
|| (end
!= lstrlenA(es
->text
)) ? MF_ENABLED
: MF_GRAYED
));
2993 TrackPopupMenu(popup
, TPM_LEFTALIGN
| TPM_RIGHTBUTTON
, x
, y
, 0, wnd
->hwndSelf
, NULL
);
2998 /*********************************************************************
3003 static void EDIT_WM_Copy(WND
*wnd
, EDITSTATE
*es
)
3005 INT s
= es
->selection_start
;
3006 INT e
= es
->selection_end
;
3013 hdst
= GlobalAlloc(GMEM_MOVEABLE
, (DWORD
)(e
- s
+ 1));
3014 dst
= GlobalLock(hdst
);
3015 lstrcpynA(dst
, es
->text
+ s
, e
- s
+ 1);
3017 OpenClipboard(wnd
->hwndSelf
);
3019 SetClipboardData(CF_TEXT
, hdst
);
3024 /*********************************************************************
3029 static LRESULT
EDIT_WM_Create(WND
*wnd
, EDITSTATE
*es
, LPCREATESTRUCTA cs
)
3032 * To initialize some final structure members, we call some helper
3033 * functions. However, since the EDITSTATE is not consistent (i.e.
3034 * not fully initialized), we should be very careful which
3035 * functions can be called, and in what order.
3037 EDIT_WM_SetFont(wnd
, es
, 0, FALSE
);
3038 EDIT_EM_EmptyUndoBuffer(wnd
, es
);
3040 if (cs
->lpszName
&& *(cs
->lpszName
) != '\0') {
3041 EDIT_EM_ReplaceSel(wnd
, es
, FALSE
, cs
->lpszName
);
3042 /* 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 */
3043 es
->selection_start
= es
->selection_end
= 0;
3044 EDIT_EM_ScrollCaret(wnd
, es
);
3050 /*********************************************************************
3055 static void EDIT_WM_Destroy(WND
*wnd
, EDITSTATE
*es
)
3058 while (LocalUnlock(es
->hloc32
)) ;
3059 LocalFree(es
->hloc32
);
3062 while (LOCAL_Unlock(wnd
->hInstance
, es
->hloc16
)) ;
3063 LOCAL_Free(wnd
->hInstance
, es
->hloc16
);
3065 HeapDestroy(es
->heap
);
3066 HeapFree(GetProcessHeap(), 0, es
);
3067 *(EDITSTATE
**)wnd
->wExtra
= NULL
;
3071 /*********************************************************************
3076 static LRESULT
EDIT_WM_EraseBkGnd(WND
*wnd
, EDITSTATE
*es
, HDC dc
)
3081 if (!IsWindowEnabled(wnd
->hwndSelf
) || (es
->style
& ES_READONLY
))
3082 brush
= (HBRUSH
)EDIT_SEND_CTLCOLORSTATIC(wnd
, dc
);
3084 brush
= (HBRUSH
)EDIT_SEND_CTLCOLOR(wnd
, dc
);
3087 brush
= (HBRUSH
)GetStockObject(WHITE_BRUSH
);
3089 GetClientRect(wnd
->hwndSelf
, &rc
);
3090 IntersectClipRect(dc
, rc
.left
, rc
.top
, rc
.right
, rc
.bottom
);
3091 GetClipBox(dc
, &rc
);
3093 * FIXME: specs say that we should UnrealizeObject() the brush,
3094 * but the specs of UnrealizeObject() say that we shouldn't
3095 * unrealize a stock object. The default brush that
3096 * DefWndProc() returns is ... a stock object.
3098 FillRect(dc
, &rc
, brush
);
3103 /*********************************************************************
3108 static INT
EDIT_WM_GetText(WND
*wnd
, EDITSTATE
*es
, INT count
, LPSTR text
)
3110 INT len
= lstrlenA(es
->text
);
3113 lstrcpyA(text
, es
->text
);
3120 /*********************************************************************
3124 * 16 bit notepad needs this. Actually it is not _our_ hack,
3125 * it is notepad's. Notepad is sending us scrollbar messages with
3126 * undocumented parameters without us even having a scrollbar ... !?!?
3129 static LRESULT
EDIT_HScroll_Hack(WND
*wnd
, EDITSTATE
*es
, INT action
, INT pos
, HWND scroll_bar
)
3132 INT fw
= es
->format_rect
.right
- es
->format_rect
.left
;
3135 if (!(es
->flags
& EF_HSCROLL_HACK
)) {
3136 ERR(edit
, "hacked WM_HSCROLL handler invoked\n");
3137 ERR(edit
, " if you are _not_ running 16 bit notepad, please report\n");
3138 ERR(edit
, " (this message is only displayed once per edit control)\n");
3139 es
->flags
|= EF_HSCROLL_HACK
;
3145 dx
= -es
->char_width
;
3148 if (es
->x_offset
< es
->text_width
)
3149 dx
= es
->char_width
;
3153 dx
= -fw
/ HSCROLL_FRACTION
/ es
->char_width
* es
->char_width
;
3156 if (es
->x_offset
< es
->text_width
)
3157 dx
= fw
/ HSCROLL_FRACTION
/ es
->char_width
* es
->char_width
;
3164 if (es
->x_offset
< es
->text_width
)
3165 dx
= es
->text_width
- es
->x_offset
;
3168 es
->flags
|= EF_HSCROLL_TRACK
;
3169 dx
= pos
* es
->text_width
/ 100 - es
->x_offset
;
3171 case SB_THUMBPOSITION
:
3172 es
->flags
&= ~EF_HSCROLL_TRACK
;
3173 if (!(dx
= pos
* es
->text_width
/ 100 - es
->x_offset
))
3174 EDIT_NOTIFY_PARENT(wnd
, EN_HSCROLL
, "EN_HSCROLL");
3180 * FIXME : the next two are undocumented !
3181 * Are we doing the right thing ?
3182 * At least Win 3.1 Notepad makes use of EM_GETTHUMB this way,
3183 * although it's also a regular control message.
3186 ret
= es
->text_width
? es
->x_offset
* 100 / es
->text_width
: 0;
3188 case EM_LINESCROLL16
:
3193 ERR(edit
, "undocumented (hacked) WM_HSCROLL parameter, please report\n");
3197 EDIT_EM_LineScroll(wnd
, es
, dx
, 0);
3202 /*********************************************************************
3207 static LRESULT
EDIT_WM_HScroll(WND
*wnd
, EDITSTATE
*es
, INT action
, INT pos
, HWND scroll_bar
)
3212 if (!(es
->style
& ES_MULTILINE
))
3215 if (!(es
->style
& ES_AUTOHSCROLL
))
3218 if (!(es
->style
& WS_HSCROLL
))
3219 return EDIT_HScroll_Hack(wnd
, es
, action
, pos
, scroll_bar
);
3222 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
3226 dx
= -es
->char_width
;
3229 if (es
->x_offset
< es
->text_width
)
3230 dx
= es
->char_width
;
3234 dx
= -fw
/ HSCROLL_FRACTION
/ es
->char_width
* es
->char_width
;
3237 if (es
->x_offset
< es
->text_width
)
3238 dx
= fw
/ HSCROLL_FRACTION
/ es
->char_width
* es
->char_width
;
3245 if (es
->x_offset
< es
->text_width
)
3246 dx
= es
->text_width
- es
->x_offset
;
3249 es
->flags
|= EF_HSCROLL_TRACK
;
3250 dx
= pos
- es
->x_offset
;
3252 case SB_THUMBPOSITION
:
3253 es
->flags
&= ~EF_HSCROLL_TRACK
;
3254 if (!(dx
= pos
- es
->x_offset
)) {
3255 SetScrollPos(wnd
->hwndSelf
, SB_HORZ
, pos
, TRUE
);
3256 EDIT_NOTIFY_PARENT(wnd
, EN_HSCROLL
, "EN_HSCROLL");
3263 ERR(edit
, "undocumented WM_HSCROLL parameter, please report\n");
3267 EDIT_EM_LineScroll(wnd
, es
, dx
, 0);
3272 /*********************************************************************
3277 static BOOL
EDIT_CheckCombo(WND
*wnd
, UINT msg
, INT key
, DWORD key_data
)
3281 if (WIDGETS_IsControl(wnd
->parent
, BIC32_COMBO
) &&
3282 (hLBox
= COMBO_GetLBWindow(wnd
->parent
))) {
3283 HWND hCombo
= wnd
->parent
->hwndSelf
;
3284 BOOL bUIFlip
= TRUE
;
3286 TRACE(combo
, "[%04x]: handling msg %04x (%04x)\n",
3287 wnd
->hwndSelf
, (UINT16
)msg
, (UINT16
)key
);
3290 case WM_KEYDOWN
: /* Handle F4 and arrow keys */
3292 bUIFlip
= (BOOL
)SendMessageA(hCombo
, CB_GETEXTENDEDUI
, 0, 0);
3293 if (SendMessageA(hCombo
, CB_GETDROPPEDSTATE
, 0, 0))
3297 SendMessageA(hLBox
, WM_KEYDOWN
, (WPARAM
)key
, 0);
3299 /* make sure ComboLBox pops up */
3300 SendMessageA(hCombo
, CB_SETEXTENDEDUI
, 0, 0);
3301 SendMessageA(hLBox
, WM_KEYDOWN
, VK_F4
, 0);
3302 SendMessageA(hCombo
, CB_SETEXTENDEDUI
, 1, 0);
3305 case WM_SYSKEYDOWN
: /* Handle Alt+up/down arrows */
3306 bUIFlip
= (BOOL
)SendMessageA(hCombo
, CB_GETEXTENDEDUI
, 0, 0);
3308 bUIFlip
= (BOOL
)SendMessageA(hCombo
, CB_GETDROPPEDSTATE
, 0, 0);
3309 SendMessageA(hCombo
, CB_SHOWDROPDOWN
, (bUIFlip
) ? FALSE
: TRUE
, 0);
3311 SendMessageA(hLBox
, WM_KEYDOWN
, VK_F4
, 0);
3320 /*********************************************************************
3324 * Handling of special keys that don't produce a WM_CHAR
3325 * (i.e. non-printable keys) & Backspace & Delete
3328 static LRESULT
EDIT_WM_KeyDown(WND
*wnd
, EDITSTATE
*es
, INT key
, DWORD key_data
)
3333 if (GetKeyState(VK_MENU
) & 0x8000)
3336 shift
= GetKeyState(VK_SHIFT
) & 0x8000;
3337 control
= GetKeyState(VK_CONTROL
) & 0x8000;
3342 if (EDIT_CheckCombo(wnd
, WM_KEYDOWN
, key
, key_data
))
3348 if ((es
->style
& ES_MULTILINE
) && (key
== VK_UP
))
3349 EDIT_MoveUp_ML(wnd
, es
, shift
);
3352 EDIT_MoveWordBackward(wnd
, es
, shift
);
3354 EDIT_MoveBackward(wnd
, es
, shift
);
3357 if (EDIT_CheckCombo(wnd
, WM_KEYDOWN
, key
, key_data
))
3361 if ((es
->style
& ES_MULTILINE
) && (key
== VK_DOWN
))
3362 EDIT_MoveDown_ML(wnd
, es
, shift
);
3364 EDIT_MoveWordForward(wnd
, es
, shift
);
3366 EDIT_MoveForward(wnd
, es
, shift
);
3369 EDIT_MoveHome(wnd
, es
, shift
);
3372 EDIT_MoveEnd(wnd
, es
, shift
);
3375 if (es
->style
& ES_MULTILINE
)
3376 EDIT_MovePageUp_ML(wnd
, es
, shift
);
3379 if (es
->style
& ES_MULTILINE
)
3380 EDIT_MovePageDown_ML(wnd
, es
, shift
);
3383 if (!(es
->style
& ES_READONLY
) && !control
) {
3384 if (es
->selection_start
!= es
->selection_end
)
3385 EDIT_WM_Clear(wnd
, es
);
3387 /* delete character left of caret */
3388 EDIT_EM_SetSel(wnd
, es
, -1, 0, FALSE
);
3389 EDIT_MoveBackward(wnd
, es
, TRUE
);
3390 EDIT_WM_Clear(wnd
, es
);
3395 if (!(es
->style
& ES_READONLY
) && !(shift
&& control
)) {
3396 if (es
->selection_start
!= es
->selection_end
) {
3398 EDIT_WM_Cut(wnd
, es
);
3400 EDIT_WM_Clear(wnd
, es
);
3403 /* delete character left of caret */
3404 EDIT_EM_SetSel(wnd
, es
, -1, 0, FALSE
);
3405 EDIT_MoveBackward(wnd
, es
, TRUE
);
3406 EDIT_WM_Clear(wnd
, es
);
3407 } else if (control
) {
3408 /* delete to end of line */
3409 EDIT_EM_SetSel(wnd
, es
, -1, 0, FALSE
);
3410 EDIT_MoveEnd(wnd
, es
, TRUE
);
3411 EDIT_WM_Clear(wnd
, es
);
3413 /* delete character right of caret */
3414 EDIT_EM_SetSel(wnd
, es
, -1, 0, FALSE
);
3415 EDIT_MoveForward(wnd
, es
, TRUE
);
3416 EDIT_WM_Clear(wnd
, es
);
3423 if (!(es
->style
& ES_READONLY
))
3424 EDIT_WM_Paste(wnd
, es
);
3426 EDIT_WM_Copy(wnd
, es
);
3433 /*********************************************************************
3438 static LRESULT
EDIT_WM_KillFocus(WND
*wnd
, EDITSTATE
*es
, HWND window_getting_focus
)
3440 es
->flags
&= ~EF_FOCUSED
;
3442 if(!(es
->style
& ES_NOHIDESEL
))
3443 EDIT_InvalidateText(wnd
, es
, es
->selection_start
, es
->selection_end
);
3444 EDIT_NOTIFY_PARENT(wnd
, EN_KILLFOCUS
, "EN_KILLFOCUS");
3449 /*********************************************************************
3453 * The caret position has been set on the WM_LBUTTONDOWN message
3456 static LRESULT
EDIT_WM_LButtonDblClk(WND
*wnd
, EDITSTATE
*es
, DWORD keys
, INT x
, INT y
)
3459 INT e
= es
->selection_end
;
3464 if (!(es
->flags
& EF_FOCUSED
))
3467 l
= EDIT_EM_LineFromChar(wnd
, es
, e
);
3468 li
= EDIT_EM_LineIndex(wnd
, es
, l
);
3469 ll
= EDIT_EM_LineLength(wnd
, es
, e
);
3470 s
= li
+ EDIT_CallWordBreakProc (wnd
, es
, li
, e
- li
, ll
, WB_LEFT
);
3471 e
= li
+ EDIT_CallWordBreakProc(wnd
, es
, li
, e
- li
, ll
, WB_RIGHT
);
3472 EDIT_EM_SetSel(wnd
, es
, s
, e
, FALSE
);
3473 EDIT_EM_ScrollCaret(wnd
, es
);
3478 /*********************************************************************
3483 static LRESULT
EDIT_WM_LButtonDown(WND
*wnd
, EDITSTATE
*es
, DWORD keys
, INT x
, INT y
)
3488 if (!(es
->flags
& EF_FOCUSED
))
3491 SetCapture(wnd
->hwndSelf
);
3492 EDIT_ConfinePoint(wnd
, es
, &x
, &y
);
3493 e
= EDIT_CharFromPos(wnd
, es
, x
, y
, &after_wrap
);
3494 EDIT_EM_SetSel(wnd
, es
, (keys
& MK_SHIFT
) ? es
->selection_start
: e
, e
, after_wrap
);
3495 EDIT_EM_ScrollCaret(wnd
, es
);
3496 es
->region_posx
= es
->region_posy
= 0;
3497 SetTimer(wnd
->hwndSelf
, 0, 100, NULL
);
3502 /*********************************************************************
3507 static LRESULT
EDIT_WM_LButtonUp(WND
*wnd
, EDITSTATE
*es
, DWORD keys
, INT x
, INT y
)
3509 if (GetCapture() == wnd
->hwndSelf
) {
3510 KillTimer(wnd
->hwndSelf
, 0);
3517 /*********************************************************************
3522 static LRESULT
EDIT_WM_MouseMove(WND
*wnd
, EDITSTATE
*es
, DWORD keys
, INT x
, INT y
)
3528 if (GetCapture() != wnd
->hwndSelf
)
3532 * FIXME: gotta do some scrolling if outside client
3533 * area. Maybe reset the timer ?
3536 EDIT_ConfinePoint(wnd
, es
, &x
, &y
);
3537 es
->region_posx
= (prex
< x
) ? -1 : ((prex
> x
) ? 1 : 0);
3538 es
->region_posy
= (prey
< y
) ? -1 : ((prey
> y
) ? 1 : 0);
3539 e
= EDIT_CharFromPos(wnd
, es
, x
, y
, &after_wrap
);
3540 EDIT_EM_SetSel(wnd
, es
, es
->selection_start
, e
, after_wrap
);
3545 /*********************************************************************
3550 static LRESULT
EDIT_WM_NCCreate(WND
*wnd
, LPCREATESTRUCTA cs
)
3554 if (!(es
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(*es
))))
3556 *(EDITSTATE
**)wnd
->wExtra
= es
;
3559 * Note: since the EDITSTATE has not been fully initialized yet,
3560 * we can't use any API calls that may send
3561 * WM_XXX messages before WM_NCCREATE is completed.
3564 if (!(es
->heap
= HeapCreate(0, 0x10000, 0)))
3566 es
->style
= cs
->style
;
3568 if ((es
->style
& WS_BORDER
) && !(es
->style
& WS_DLGFRAME
))
3569 wnd
->dwStyle
&= ~WS_BORDER
;
3571 if (es
->style
& ES_MULTILINE
) {
3572 es
->buffer_size
= BUFSTART_MULTI
;
3573 es
->buffer_limit
= BUFLIMIT_MULTI
;
3574 if (es
->style
& WS_VSCROLL
)
3575 es
->style
|= ES_AUTOVSCROLL
;
3576 if (es
->style
& WS_HSCROLL
)
3577 es
->style
|= ES_AUTOHSCROLL
;
3578 es
->style
&= ~ES_PASSWORD
;
3579 if ((es
->style
& ES_CENTER
) || (es
->style
& ES_RIGHT
)) {
3580 if (es
->style
& ES_RIGHT
)
3581 es
->style
&= ~ES_CENTER
;
3582 es
->style
&= ~WS_HSCROLL
;
3583 es
->style
&= ~ES_AUTOHSCROLL
;
3586 /* FIXME: for now, all multi line controls are AUTOVSCROLL */
3587 es
->style
|= ES_AUTOVSCROLL
;
3589 es
->buffer_size
= BUFSTART_SINGLE
;
3590 es
->buffer_limit
= BUFLIMIT_SINGLE
;
3591 es
->style
&= ~ES_CENTER
;
3592 es
->style
&= ~ES_RIGHT
;
3593 es
->style
&= ~WS_HSCROLL
;
3594 es
->style
&= ~WS_VSCROLL
;
3595 es
->style
&= ~ES_AUTOVSCROLL
;
3596 es
->style
&= ~ES_WANTRETURN
;
3597 if (es
->style
& ES_UPPERCASE
) {
3598 es
->style
&= ~ES_LOWERCASE
;
3599 es
->style
&= ~ES_NUMBER
;
3600 } else if (es
->style
& ES_LOWERCASE
)
3601 es
->style
&= ~ES_NUMBER
;
3602 if (es
->style
& ES_PASSWORD
)
3603 es
->password_char
= '*';
3605 /* FIXME: for now, all single line controls are AUTOHSCROLL */
3606 es
->style
|= ES_AUTOHSCROLL
;
3608 if (!(es
->text
= HeapAlloc(es
->heap
, 0, es
->buffer_size
+ 1)))
3610 es
->buffer_size
= HeapSize(es
->heap
, 0, es
->text
) - 1;
3611 if (!(es
->undo_text
= HeapAlloc(es
->heap
, 0, es
->buffer_size
+ 1)))
3613 es
->undo_buffer_size
= HeapSize(es
->heap
, 0, es
->undo_text
) - 1;
3615 if (es
->style
& ES_MULTILINE
)
3616 if (!(es
->first_line_def
= HeapAlloc(es
->heap
, HEAP_ZERO_MEMORY
, sizeof(LINEDEF
))))
3623 /*********************************************************************
3628 static void EDIT_WM_Paint(WND
*wnd
, EDITSTATE
*es
)
3637 BOOL rev
= IsWindowEnabled(wnd
->hwndSelf
) &&
3638 ((es
->flags
& EF_FOCUSED
) ||
3639 (es
->style
& ES_NOHIDESEL
));
3641 if (es
->flags
& EF_UPDATE
)
3642 EDIT_NOTIFY_PARENT(wnd
, EN_UPDATE
, "EN_UPDATE");
3644 dc
= BeginPaint(wnd
->hwndSelf
, &ps
);
3645 if(es
->style
& WS_BORDER
) {
3646 GetClientRect(wnd
->hwndSelf
, &rc
);
3647 if(es
->style
& ES_MULTILINE
) {
3648 if(es
->style
& WS_HSCROLL
) rc
.bottom
++;
3649 if(es
->style
& WS_VSCROLL
) rc
.right
++;
3651 Rectangle(dc
, rc
.left
, rc
.top
, rc
.right
, rc
.bottom
);
3653 IntersectClipRect(dc
, es
->format_rect
.left
,
3654 es
->format_rect
.top
,
3655 es
->format_rect
.right
,
3656 es
->format_rect
.bottom
);
3657 if (es
->style
& ES_MULTILINE
) {
3658 GetClientRect(wnd
->hwndSelf
, &rc
);
3659 IntersectClipRect(dc
, rc
.left
, rc
.top
, rc
.right
, rc
.bottom
);
3662 old_font
= SelectObject(dc
, es
->font
);
3663 if (!IsWindowEnabled(wnd
->hwndSelf
) || (es
->style
& ES_READONLY
))
3664 EDIT_SEND_CTLCOLORSTATIC(wnd
, dc
);
3666 EDIT_SEND_CTLCOLOR(wnd
, dc
);
3667 if (!IsWindowEnabled(wnd
->hwndSelf
))
3668 SetTextColor(dc
, GetSysColor(COLOR_GRAYTEXT
));
3669 GetClipBox(dc
, &rcRgn
);
3670 if (es
->style
& ES_MULTILINE
) {
3671 INT vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
3672 for (i
= es
->y_offset
; i
<= MIN(es
->y_offset
+ vlc
, es
->y_offset
+ es
->line_count
- 1) ; i
++) {
3673 EDIT_GetLineRect(wnd
, es
, i
, 0, -1, &rcLine
);
3674 if (IntersectRect(&rc
, &rcRgn
, &rcLine
))
3675 EDIT_PaintLine(wnd
, es
, dc
, i
, rev
);
3678 EDIT_GetLineRect(wnd
, es
, 0, 0, -1, &rcLine
);
3679 if (IntersectRect(&rc
, &rcRgn
, &rcLine
))
3680 EDIT_PaintLine(wnd
, es
, dc
, 0, rev
);
3683 SelectObject(dc
, old_font
);
3684 if (es
->flags
& EF_FOCUSED
)
3685 EDIT_SetCaretPos(wnd
, es
, es
->selection_end
,
3686 es
->flags
& EF_AFTER_WRAP
);
3687 EndPaint(wnd
->hwndSelf
, &ps
);
3688 if ((es
->style
& WS_VSCROLL
) && !(es
->flags
& EF_VSCROLL_TRACK
)) {
3689 INT vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
3691 si
.cbSize
= sizeof(SCROLLINFO
);
3692 si
.fMask
= SIF_PAGE
| SIF_POS
| SIF_RANGE
| SIF_DISABLENOSCROLL
;
3694 si
.nMax
= es
->line_count
+ vlc
- 2;
3696 si
.nPos
= es
->y_offset
;
3697 SetScrollInfo(wnd
->hwndSelf
, SB_VERT
, &si
, TRUE
);
3699 if ((es
->style
& WS_HSCROLL
) && !(es
->flags
& EF_HSCROLL_TRACK
)) {
3701 INT fw
= es
->format_rect
.right
- es
->format_rect
.left
;
3702 si
.cbSize
= sizeof(SCROLLINFO
);
3703 si
.fMask
= SIF_PAGE
| SIF_POS
| SIF_RANGE
| SIF_DISABLENOSCROLL
;
3705 si
.nMax
= es
->text_width
+ fw
- 1;
3707 si
.nPos
= es
->x_offset
;
3708 SetScrollInfo(wnd
->hwndSelf
, SB_HORZ
, &si
, TRUE
);
3711 if (es
->flags
& EF_UPDATE
) {
3712 es
->flags
&= ~EF_UPDATE
;
3713 EDIT_NOTIFY_PARENT(wnd
, EN_CHANGE
, "EN_CHANGE");
3718 /*********************************************************************
3723 static void EDIT_WM_Paste(WND
*wnd
, EDITSTATE
*es
)
3728 OpenClipboard(wnd
->hwndSelf
);
3729 if ((hsrc
= GetClipboardData(CF_TEXT
))) {
3730 src
= (LPSTR
)GlobalLock(hsrc
);
3731 EDIT_EM_ReplaceSel(wnd
, es
, TRUE
, src
);
3738 /*********************************************************************
3743 static void EDIT_WM_SetFocus(WND
*wnd
, EDITSTATE
*es
, HWND window_losing_focus
)
3745 es
->flags
|= EF_FOCUSED
;
3746 CreateCaret(wnd
->hwndSelf
, 0, 2, es
->line_height
);
3747 EDIT_SetCaretPos(wnd
, es
, es
->selection_end
,
3748 es
->flags
& EF_AFTER_WRAP
);
3749 if(!(es
->style
& ES_NOHIDESEL
))
3750 EDIT_InvalidateText(wnd
, es
, es
->selection_start
, es
->selection_end
);
3751 ShowCaret(wnd
->hwndSelf
);
3752 EDIT_NOTIFY_PARENT(wnd
, EN_SETFOCUS
, "EN_SETFOCUS");
3756 /*********************************************************************
3760 * With Win95 look the margins are set to default font value unless
3761 * the system font (font == 0) is being set, in which case they are left
3765 static void EDIT_WM_SetFont(WND
*wnd
, EDITSTATE
*es
, HFONT font
, BOOL redraw
)
3772 dc
= GetDC(wnd
->hwndSelf
);
3774 old_font
= SelectObject(dc
, font
);
3775 GetTextMetricsA(dc
, &tm
);
3776 es
->line_height
= tm
.tmHeight
;
3777 es
->char_width
= tm
.tmAveCharWidth
;
3779 SelectObject(dc
, old_font
);
3780 ReleaseDC(wnd
->hwndSelf
, dc
);
3781 if (font
&& (TWEAK_WineLook
> WIN31_LOOK
))
3782 EDIT_EM_SetMargins(wnd
, es
, EC_LEFTMARGIN
| EC_RIGHTMARGIN
,
3783 EC_USEFONTINFO
, EC_USEFONTINFO
);
3784 if (es
->style
& ES_MULTILINE
)
3785 EDIT_BuildLineDefs_ML(wnd
, es
);
3788 GetClientRect(wnd
->hwndSelf
, &r
);
3789 EDIT_SetRectNP(wnd
, es
, &r
);
3792 InvalidateRect(wnd
->hwndSelf
, NULL
, TRUE
);
3793 if (es
->flags
& EF_FOCUSED
) {
3795 CreateCaret(wnd
->hwndSelf
, 0, 2, es
->line_height
);
3796 EDIT_SetCaretPos(wnd
, es
, es
->selection_end
,
3797 es
->flags
& EF_AFTER_WRAP
);
3798 ShowCaret(wnd
->hwndSelf
);
3803 /*********************************************************************
3808 * For multiline controls (ES_MULTILINE), reception of WM_SETTEXT triggers:
3809 * The modified flag is reset. No notifications are sent.
3811 * For single-line controls, reception of WM_SETTEXT triggers:
3812 * The modified flag is reset. EN_UPDATE and EN_CHANGE notifications are sent.
3815 static void EDIT_WM_SetText(WND
*wnd
, EDITSTATE
*es
, LPCSTR text
)
3817 EDIT_EM_SetSel(wnd
, es
, 0, -1, FALSE
);
3819 TRACE(edit
, "\t'%s'\n", text
);
3820 EDIT_EM_ReplaceSel(wnd
, es
, FALSE
, text
);
3822 TRACE(edit
, "\t<NULL>\n");
3823 EDIT_EM_ReplaceSel(wnd
, es
, FALSE
, "");
3826 if (es
->style
& ES_MULTILINE
) {
3827 es
->flags
&= ~EF_UPDATE
;
3829 es
->flags
|= EF_UPDATE
;
3831 es
->flags
&= ~EF_MODIFIED
;
3832 EDIT_EM_SetSel(wnd
, es
, 0, 0, FALSE
);
3833 EDIT_EM_ScrollCaret(wnd
, es
);
3837 /*********************************************************************
3842 static void EDIT_WM_Size(WND
*wnd
, EDITSTATE
*es
, UINT action
, INT width
, INT height
)
3844 if ((action
== SIZE_MAXIMIZED
) || (action
== SIZE_RESTORED
)) {
3846 SetRect(&rc
, 0, 0, width
, height
);
3847 EDIT_SetRectNP(wnd
, es
, &rc
);
3848 InvalidateRect(wnd
->hwndSelf
, NULL
, TRUE
);
3853 /*********************************************************************
3858 static LRESULT
EDIT_WM_SysKeyDown(WND
*wnd
, EDITSTATE
*es
, INT key
, DWORD key_data
)
3860 if ((key
== VK_BACK
) && (key_data
& 0x2000)) {
3861 if (EDIT_EM_CanUndo(wnd
, es
))
3862 EDIT_EM_Undo(wnd
, es
);
3864 } else if (key
== VK_UP
|| key
== VK_DOWN
)
3865 if (EDIT_CheckCombo(wnd
, WM_SYSKEYDOWN
, key
, key_data
))
3867 return DefWindowProcA(wnd
->hwndSelf
, WM_SYSKEYDOWN
, (WPARAM
)key
, (LPARAM
)key_data
);
3871 /*********************************************************************
3876 static void EDIT_WM_Timer(WND
*wnd
, EDITSTATE
*es
, INT id
, TIMERPROC timer_proc
)
3878 if (es
->region_posx
< 0) {
3879 EDIT_MoveBackward(wnd
, es
, TRUE
);
3880 } else if (es
->region_posx
> 0) {
3881 EDIT_MoveForward(wnd
, es
, TRUE
);
3884 * FIXME: gotta do some vertical scrolling here, like
3885 * EDIT_EM_LineScroll(wnd, 0, 1);
3890 /*********************************************************************
3894 * 16 bit notepad needs this. Actually it is not _our_ hack,
3895 * it is notepad's. Notepad is sending us scrollbar messages with
3896 * undocumented parameters without us even having a scrollbar ... !?!?
3899 static LRESULT
EDIT_VScroll_Hack(WND
*wnd
, EDITSTATE
*es
, INT action
, INT pos
, HWND scroll_bar
)
3904 if (!(es
->flags
& EF_VSCROLL_HACK
)) {
3905 ERR(edit
, "hacked WM_VSCROLL handler invoked\n");
3906 ERR(edit
, " if you are _not_ running 16 bit notepad, please report\n");
3907 ERR(edit
, " (this message is only displayed once per edit control)\n");
3908 es
->flags
|= EF_VSCROLL_HACK
;
3916 EDIT_EM_Scroll(wnd
, es
, action
);
3922 dy
= es
->line_count
- 1 - es
->y_offset
;
3925 es
->flags
|= EF_VSCROLL_TRACK
;
3926 dy
= (pos
* (es
->line_count
- 1) + 50) / 100 - es
->y_offset
;
3928 case SB_THUMBPOSITION
:
3929 es
->flags
&= ~EF_VSCROLL_TRACK
;
3930 if (!(dy
= (pos
* (es
->line_count
- 1) + 50) / 100 - es
->y_offset
))
3931 EDIT_NOTIFY_PARENT(wnd
, EN_VSCROLL
, "EN_VSCROLL");
3937 * FIXME : the next two are undocumented !
3938 * Are we doing the right thing ?
3939 * At least Win 3.1 Notepad makes use of EM_GETTHUMB this way,
3940 * although it's also a regular control message.
3943 ret
= (es
->line_count
> 1) ? es
->y_offset
* 100 / (es
->line_count
- 1) : 0;
3945 case EM_LINESCROLL16
:
3950 ERR(edit
, "undocumented (hacked) WM_VSCROLL parameter, please report\n");
3954 EDIT_EM_LineScroll(wnd
, es
, 0, dy
);
3959 /*********************************************************************
3964 static LRESULT
EDIT_WM_VScroll(WND
*wnd
, EDITSTATE
*es
, INT action
, INT pos
, HWND scroll_bar
)
3968 if (!(es
->style
& ES_MULTILINE
))
3971 if (!(es
->style
& ES_AUTOVSCROLL
))
3974 if (!(es
->style
& WS_VSCROLL
))
3975 return EDIT_VScroll_Hack(wnd
, es
, action
, pos
, scroll_bar
);
3983 EDIT_EM_Scroll(wnd
, es
, action
);
3990 dy
= es
->line_count
- 1 - es
->y_offset
;
3993 es
->flags
|= EF_VSCROLL_TRACK
;
3994 dy
= pos
- es
->y_offset
;
3996 case SB_THUMBPOSITION
:
3997 es
->flags
&= ~EF_VSCROLL_TRACK
;
3998 if (!(dy
= pos
- es
->y_offset
)) {
3999 SetScrollPos(wnd
->hwndSelf
, SB_VERT
, pos
, TRUE
);
4000 EDIT_NOTIFY_PARENT(wnd
, EN_VSCROLL
, "EN_VSCROLL");
4007 ERR(edit
, "undocumented WM_VSCROLL action %d, please report\n",
4012 EDIT_EM_LineScroll(wnd
, es
, 0, dy
);