4 * Copyright David W. Metcalfe, 1994
5 * Copyright William Magro, 1995, 1996
6 * Copyright Frans van Dorsselaer, 1996, 1997
11 * please read EDIT.TODO (and update it when you change things)
19 #include "wine/winbase16.h"
22 #include "debugtools.h"
25 #include "winversion.h"
27 DEFAULT_DEBUG_CHANNEL(edit
)
28 DECLARE_DEBUG_CHANNEL(combo
)
29 DECLARE_DEBUG_CHANNEL(relay
)
31 #define BUFLIMIT_MULTI 65534 /* maximum buffer size (not including '\0')
32 FIXME: BTW, new specs say 65535 (do you dare ???) */
33 #define BUFLIMIT_SINGLE 32766 /* maximum buffer size (not including '\0') */
34 #define BUFSTART_MULTI 1024 /* starting size */
35 #define BUFSTART_SINGLE 256 /* starting size */
36 #define GROWLENGTH 64 /* buffers grow by this much */
37 #define HSCROLL_FRACTION 3 /* scroll window by 1/3 width */
40 * extra flags for EDITSTATE.flags field
42 #define EF_MODIFIED 0x0001 /* text has been modified */
43 #define EF_FOCUSED 0x0002 /* we have input focus */
44 #define EF_UPDATE 0x0004 /* notify parent of changed state on next WM_PAINT */
45 #define EF_VSCROLL_TRACK 0x0008 /* don't SetScrollPos() since we are tracking the thumb */
46 #define EF_HSCROLL_TRACK 0x0010 /* don't SetScrollPos() since we are tracking the thumb */
47 #define EF_VSCROLL_HACK 0x0020 /* we already have informed the user of the hacked handler */
48 #define EF_HSCROLL_HACK 0x0040 /* we already have informed the user of the hacked handler */
49 #define EF_AFTER_WRAP 0x0080 /* the caret is displayed after the last character of a
50 wrapped line, instead of in front of the next character */
51 #define EF_USE_SOFTBRK 0x0100 /* Enable soft breaks in text. */
55 END_0
= 0, /* line ends with terminating '\0' character */
56 END_WRAP
, /* line is wrapped */
57 END_HARD
, /* line ends with a hard return '\r\n' */
58 END_SOFT
/* line ends with a soft return '\r\r\n' */
61 typedef struct tagLINEDEF
{
62 INT length
; /* bruto length of a line in bytes */
63 INT net_length
; /* netto length of a line in visible characters */
65 INT width
; /* width of the line in pixels */
66 struct tagLINEDEF
*next
;
71 HANDLE heap
; /* our own heap */
72 LPSTR text
; /* the actual contents of the control */
73 INT buffer_size
; /* the size of the buffer */
74 INT buffer_limit
; /* the maximum size to which the buffer may grow */
75 HFONT font
; /* NULL means standard system font */
76 INT x_offset
; /* scroll offset for multi lines this is in pixels
77 for single lines it's in characters */
78 INT line_height
; /* height of a screen line in pixels */
79 INT char_width
; /* average character width in pixels */
80 DWORD style
; /* sane version of wnd->dwStyle */
81 WORD flags
; /* flags that are not in es->style or wnd->flags (EF_XXX) */
82 INT undo_insert_count
; /* number of characters inserted in sequence */
83 INT undo_position
; /* character index of the insertion and deletion */
84 LPSTR undo_text
; /* deleted text */
85 INT undo_buffer_size
; /* size of the deleted text buffer */
86 INT selection_start
; /* == selection_end if no selection */
87 INT selection_end
; /* == current caret position */
88 CHAR password_char
; /* == 0 if no password char, and for multi line controls */
89 INT left_margin
; /* in pixels */
90 INT right_margin
; /* in pixels */
92 INT region_posx
; /* Position of cursor relative to region: */
93 INT region_posy
; /* -1: to left, 0: within, 1: to right */
94 EDITWORDBREAKPROC16 word_break_proc16
;
95 EDITWORDBREAKPROCA word_break_proc32A
;
96 INT line_count
; /* number of lines */
97 INT y_offset
; /* scroll offset in number of lines */
98 BOOL bCaptureState
; /* flag indicating whether mouse was captured */
99 BOOL bEnableState
; /* flag keeping the enable state */
101 * only for multi line controls
103 INT lock_count
; /* amount of re-entries in the EditWndProc */
106 INT text_width
; /* width of the widest line in pixels */
107 LINEDEF
*first_line_def
; /* linked list of (soft) linebreaks */
108 HLOCAL16 hloc16
; /* for controls receiving EM_GETHANDLE16 */
109 HLOCAL hloc32
; /* for controls receiving EM_GETHANDLE */
113 #define SWAP_INT32(x,y) do { INT temp = (INT)(x); (x) = (INT)(y); (y) = temp; } while(0)
114 #define ORDER_INT(x,y) do { if ((INT)(y) < (INT)(x)) SWAP_INT32((x),(y)); } while(0)
116 #define SWAP_UINT32(x,y) do { UINT temp = (UINT)(x); (x) = (UINT)(y); (y) = temp; } while(0)
117 #define ORDER_UINT(x,y) do { if ((UINT)(y) < (UINT)(x)) SWAP_UINT32((x),(y)); } while(0)
119 #define DPRINTF_EDIT_NOTIFY(hwnd, str) \
120 do {TRACE("notification " str " sent to hwnd=%08x\n", \
121 (UINT)(hwnd));} while(0)
123 /* used for disabled or read-only edit control */
124 #define EDIT_SEND_CTLCOLORSTATIC(wnd,hdc) \
125 (SendMessageA((wnd)->parent->hwndSelf, WM_CTLCOLORSTATIC, \
126 (WPARAM)(hdc), (LPARAM)(wnd)->hwndSelf))
127 #define EDIT_SEND_CTLCOLOR(wnd,hdc) \
128 (SendMessageA((wnd)->parent->hwndSelf, WM_CTLCOLOREDIT, \
129 (WPARAM)(hdc), (LPARAM)(wnd)->hwndSelf))
130 #define EDIT_NOTIFY_PARENT(wnd, wNotifyCode, str) \
131 do {DPRINTF_EDIT_NOTIFY((wnd)->parent->hwndSelf, str); \
132 SendMessageA((wnd)->parent->hwndSelf, WM_COMMAND, \
133 MAKEWPARAM((wnd)->wIDmenu, wNotifyCode), \
134 (LPARAM)(wnd)->hwndSelf);} while(0)
135 #define DPRINTF_EDIT_MSG16(str) \
137 "16 bit : " str ": hwnd=%08x, wParam=%08x, lParam=%08x\n", \
138 (UINT)hwnd, (UINT)wParam, (UINT)lParam)
139 #define DPRINTF_EDIT_MSG32(str) \
141 "32 bit : " str ": hwnd=%08x, wParam=%08x, lParam=%08x\n", \
142 (UINT)hwnd, (UINT)wParam, (UINT)lParam)
144 /*********************************************************************
151 * These functions have trivial implementations
152 * We still like to call them internally
153 * "static inline" makes them more like macro's
155 static inline BOOL
EDIT_EM_CanUndo(WND
*wnd
, EDITSTATE
*es
);
156 static inline void EDIT_EM_EmptyUndoBuffer(WND
*wnd
, EDITSTATE
*es
);
157 static inline void EDIT_WM_Clear(WND
*wnd
, EDITSTATE
*es
);
158 static inline void EDIT_WM_Cut(WND
*wnd
, EDITSTATE
*es
);
161 * Helper functions only valid for one type of control
163 static void EDIT_BuildLineDefs_ML(WND
*wnd
, EDITSTATE
*es
);
164 static LPSTR
EDIT_GetPasswordPointer_SL(WND
*wnd
, EDITSTATE
*es
);
165 static void EDIT_MoveDown_ML(WND
*wnd
, EDITSTATE
*es
, BOOL extend
);
166 static void EDIT_MovePageDown_ML(WND
*wnd
, EDITSTATE
*es
, BOOL extend
);
167 static void EDIT_MovePageUp_ML(WND
*wnd
, EDITSTATE
*es
, BOOL extend
);
168 static void EDIT_MoveUp_ML(WND
*wnd
, EDITSTATE
*es
, BOOL extend
);
170 * Helper functions valid for both single line _and_ multi line controls
172 static INT
EDIT_CallWordBreakProc(WND
*wnd
, EDITSTATE
*es
, INT start
, INT index
, INT count
, INT action
);
173 static INT
EDIT_CharFromPos(WND
*wnd
, EDITSTATE
*es
, INT x
, INT y
, LPBOOL after_wrap
);
174 static void EDIT_ConfinePoint(WND
*wnd
, EDITSTATE
*es
, LPINT x
, LPINT y
);
175 static void EDIT_GetLineRect(WND
*wnd
, EDITSTATE
*es
, INT line
, INT scol
, INT ecol
, LPRECT rc
);
176 static void EDIT_InvalidateText(WND
*wnd
, EDITSTATE
*es
, INT start
, INT end
);
177 static void EDIT_LockBuffer(WND
*wnd
, EDITSTATE
*es
);
178 static BOOL
EDIT_MakeFit(WND
*wnd
, EDITSTATE
*es
, INT size
);
179 static BOOL
EDIT_MakeUndoFit(WND
*wnd
, EDITSTATE
*es
, INT size
);
180 static void EDIT_MoveBackward(WND
*wnd
, EDITSTATE
*es
, BOOL extend
);
181 static void EDIT_MoveEnd(WND
*wnd
, EDITSTATE
*es
, BOOL extend
);
182 static void EDIT_MoveForward(WND
*wnd
, EDITSTATE
*es
, BOOL extend
);
183 static void EDIT_MoveHome(WND
*wnd
, EDITSTATE
*es
, BOOL extend
);
184 static void EDIT_MoveWordBackward(WND
*wnd
, EDITSTATE
*es
, BOOL extend
);
185 static void EDIT_MoveWordForward(WND
*wnd
, EDITSTATE
*es
, BOOL extend
);
186 static void EDIT_PaintLine(WND
*wnd
, EDITSTATE
*es
, HDC hdc
, INT line
, BOOL rev
);
187 static INT
EDIT_PaintText(WND
*wnd
, EDITSTATE
*es
, HDC hdc
, INT x
, INT y
, INT line
, INT col
, INT count
, BOOL rev
);
188 static void EDIT_SetCaretPos(WND
*wnd
, EDITSTATE
*es
, INT pos
, BOOL after_wrap
);
189 static void EDIT_SetRectNP(WND
*wnd
, EDITSTATE
*es
, LPRECT lprc
);
190 static void EDIT_UnlockBuffer(WND
*wnd
, EDITSTATE
*es
, BOOL force
);
191 static INT
EDIT_WordBreakProc(LPSTR s
, INT index
, INT count
, INT action
);
193 * EM_XXX message handlers
195 static LRESULT
EDIT_EM_CharFromPos(WND
*wnd
, EDITSTATE
*es
, INT x
, INT y
);
196 static BOOL
EDIT_EM_FmtLines(WND
*wnd
, EDITSTATE
*es
, BOOL add_eol
);
197 static HLOCAL
EDIT_EM_GetHandle(WND
*wnd
, EDITSTATE
*es
);
198 static HLOCAL16
EDIT_EM_GetHandle16(WND
*wnd
, EDITSTATE
*es
);
199 static INT
EDIT_EM_GetLine(WND
*wnd
, EDITSTATE
*es
, INT line
, LPSTR lpch
);
200 static LRESULT
EDIT_EM_GetSel(WND
*wnd
, EDITSTATE
*es
, LPUINT start
, LPUINT end
);
201 static LRESULT
EDIT_EM_GetThumb(WND
*wnd
, EDITSTATE
*es
);
202 static INT
EDIT_EM_LineFromChar(WND
*wnd
, EDITSTATE
*es
, INT index
);
203 static INT
EDIT_EM_LineIndex(WND
*wnd
, EDITSTATE
*es
, INT line
);
204 static INT
EDIT_EM_LineLength(WND
*wnd
, EDITSTATE
*es
, INT index
);
205 static BOOL
EDIT_EM_LineScroll(WND
*wnd
, EDITSTATE
*es
, INT dx
, INT dy
);
206 static LRESULT
EDIT_EM_PosFromChar(WND
*wnd
, EDITSTATE
*es
, INT index
, BOOL after_wrap
);
207 static void EDIT_EM_ReplaceSel(WND
*wnd
, EDITSTATE
*es
, BOOL can_undo
, LPCSTR lpsz_replace
);
208 static LRESULT
EDIT_EM_Scroll(WND
*wnd
, EDITSTATE
*es
, INT action
);
209 static void EDIT_EM_ScrollCaret(WND
*wnd
, EDITSTATE
*es
);
210 static void EDIT_EM_SetHandle(WND
*wnd
, EDITSTATE
*es
, HLOCAL hloc
);
211 static void EDIT_EM_SetHandle16(WND
*wnd
, EDITSTATE
*es
, HLOCAL16 hloc
);
212 static void EDIT_EM_SetLimitText(WND
*wnd
, EDITSTATE
*es
, INT limit
);
213 static void EDIT_EM_SetMargins(WND
*wnd
, EDITSTATE
*es
, INT action
, INT left
, INT right
);
214 static void EDIT_EM_SetPasswordChar(WND
*wnd
, EDITSTATE
*es
, CHAR c
);
215 static void EDIT_EM_SetSel(WND
*wnd
, EDITSTATE
*es
, UINT start
, UINT end
, BOOL after_wrap
);
216 static BOOL
EDIT_EM_SetTabStops(WND
*wnd
, EDITSTATE
*es
, INT count
, LPINT tabs
);
217 static BOOL
EDIT_EM_SetTabStops16(WND
*wnd
, EDITSTATE
*es
, INT count
, LPINT16 tabs
);
218 static void EDIT_EM_SetWordBreakProc(WND
*wnd
, EDITSTATE
*es
, EDITWORDBREAKPROCA wbp
);
219 static void EDIT_EM_SetWordBreakProc16(WND
*wnd
, EDITSTATE
*es
, EDITWORDBREAKPROC16 wbp
);
220 static BOOL
EDIT_EM_Undo(WND
*wnd
, EDITSTATE
*es
);
222 * WM_XXX message handlers
224 static void EDIT_WM_Char(WND
*wnd
, EDITSTATE
*es
, CHAR c
, DWORD key_data
);
225 static void EDIT_WM_Command(WND
*wnd
, EDITSTATE
*es
, INT code
, INT id
, HWND conrtol
);
226 static void EDIT_WM_ContextMenu(WND
*wnd
, EDITSTATE
*es
, HWND hwnd
, INT x
, INT y
);
227 static void EDIT_WM_Copy(WND
*wnd
, EDITSTATE
*es
);
228 static LRESULT
EDIT_WM_Create(WND
*wnd
, EDITSTATE
*es
, LPCREATESTRUCTA cs
);
229 static void EDIT_WM_Destroy(WND
*wnd
, EDITSTATE
*es
);
230 static LRESULT
EDIT_WM_EraseBkGnd(WND
*wnd
, EDITSTATE
*es
, HDC dc
);
231 static INT
EDIT_WM_GetText(WND
*wnd
, EDITSTATE
*es
, INT count
, LPSTR text
);
232 static LRESULT
EDIT_WM_HScroll(WND
*wnd
, EDITSTATE
*es
, INT action
, INT pos
, HWND scroll_bar
);
233 static LRESULT
EDIT_WM_KeyDown(WND
*wnd
, EDITSTATE
*es
, INT key
, DWORD key_data
);
234 static LRESULT
EDIT_WM_KillFocus(WND
*wnd
, EDITSTATE
*es
, HWND window_getting_focus
);
235 static LRESULT
EDIT_WM_LButtonDblClk(WND
*wnd
, EDITSTATE
*es
, DWORD keys
, INT x
, INT y
);
236 static LRESULT
EDIT_WM_LButtonDown(WND
*wnd
, EDITSTATE
*es
, DWORD keys
, INT x
, INT y
);
237 static LRESULT
EDIT_WM_LButtonUp(WND
*wnd
, EDITSTATE
*es
, DWORD keys
, INT x
, INT y
);
238 static LRESULT
EDIT_WM_MouseMove(WND
*wnd
, EDITSTATE
*es
, DWORD keys
, INT x
, INT y
);
239 static LRESULT
EDIT_WM_NCCreate(WND
*wnd
, LPCREATESTRUCTA cs
);
240 static void EDIT_WM_Paint(WND
*wnd
, EDITSTATE
*es
, WPARAM wParam
);
241 static void EDIT_WM_Paste(WND
*wnd
, EDITSTATE
*es
);
242 static void EDIT_WM_SetFocus(WND
*wnd
, EDITSTATE
*es
, HWND window_losing_focus
);
243 static void EDIT_WM_SetFont(WND
*wnd
, EDITSTATE
*es
, HFONT font
, BOOL redraw
);
244 static void EDIT_WM_SetText(WND
*wnd
, EDITSTATE
*es
, LPCSTR text
);
245 static void EDIT_WM_Size(WND
*wnd
, EDITSTATE
*es
, UINT action
, INT width
, INT height
);
246 static LRESULT
EDIT_WM_SysKeyDown(WND
*wnd
, EDITSTATE
*es
, INT key
, DWORD key_data
);
247 static void EDIT_WM_Timer(WND
*wnd
, EDITSTATE
*es
, INT id
, TIMERPROC timer_proc
);
248 static LRESULT
EDIT_WM_VScroll(WND
*wnd
, EDITSTATE
*es
, INT action
, INT pos
, HWND scroll_bar
);
251 /*********************************************************************
256 static inline BOOL
EDIT_EM_CanUndo(WND
*wnd
, EDITSTATE
*es
)
258 return (es
->undo_insert_count
|| lstrlenA(es
->undo_text
));
262 /*********************************************************************
267 static inline void EDIT_EM_EmptyUndoBuffer(WND
*wnd
, EDITSTATE
*es
)
269 es
->undo_insert_count
= 0;
270 *es
->undo_text
= '\0';
274 /*********************************************************************
279 static inline void EDIT_WM_Clear(WND
*wnd
, EDITSTATE
*es
)
281 EDIT_EM_ReplaceSel(wnd
, es
, TRUE
, "");
285 /*********************************************************************
290 static inline void EDIT_WM_Cut(WND
*wnd
, EDITSTATE
*es
)
292 EDIT_WM_Copy(wnd
, es
);
293 EDIT_WM_Clear(wnd
, es
);
297 /*********************************************************************
301 * The messages are in the order of the actual integer values
302 * (which can be found in include/windows.h)
303 * Whereever possible the 16 bit versions are converted to
304 * the 32 bit ones, so that we can 'fall through' to the
305 * helper functions. These are mostly 32 bit (with a few
306 * exceptions, clearly indicated by a '16' extension to their
310 LRESULT WINAPI
EditWndProc( HWND hwnd
, UINT msg
,
311 WPARAM wParam
, LPARAM lParam
)
313 WND
*wnd
= WIN_FindWndPtr(hwnd
);
314 EDITSTATE
*es
= *(EDITSTATE
**)((wnd
)->wExtra
);
319 DPRINTF_EDIT_MSG32("WM_DESTROY");
320 EDIT_WM_Destroy(wnd
, es
);
325 DPRINTF_EDIT_MSG32("WM_NCCREATE");
326 result
= EDIT_WM_NCCreate(wnd
, (LPCREATESTRUCTA
)lParam
);
332 result
= DefWindowProcA(hwnd
, msg
, wParam
, lParam
);
337 EDIT_LockBuffer(wnd
, es
);
340 DPRINTF_EDIT_MSG16("EM_GETSEL");
345 DPRINTF_EDIT_MSG32("EM_GETSEL");
346 result
= EDIT_EM_GetSel(wnd
, es
, (LPUINT
)wParam
, (LPUINT
)lParam
);
350 DPRINTF_EDIT_MSG16("EM_SETSEL");
351 if (SLOWORD(lParam
) == -1)
352 EDIT_EM_SetSel(wnd
, es
, -1, 0, FALSE
);
354 EDIT_EM_SetSel(wnd
, es
, LOWORD(lParam
), HIWORD(lParam
), FALSE
);
356 EDIT_EM_ScrollCaret(wnd
, es
);
360 DPRINTF_EDIT_MSG32("EM_SETSEL");
361 EDIT_EM_SetSel(wnd
, es
, wParam
, lParam
, FALSE
);
362 EDIT_EM_ScrollCaret(wnd
, es
);
367 DPRINTF_EDIT_MSG16("EM_GETRECT");
369 CONV_RECT32TO16(&es
->format_rect
, (LPRECT16
)PTR_SEG_TO_LIN(lParam
));
372 DPRINTF_EDIT_MSG32("EM_GETRECT");
374 CopyRect((LPRECT
)lParam
, &es
->format_rect
);
378 DPRINTF_EDIT_MSG16("EM_SETRECT");
379 if ((es
->style
& ES_MULTILINE
) && lParam
) {
381 CONV_RECT16TO32((LPRECT16
)PTR_SEG_TO_LIN(lParam
), &rc
);
382 EDIT_SetRectNP(wnd
, es
, &rc
);
383 InvalidateRect(wnd
->hwndSelf
, NULL
, TRUE
);
387 DPRINTF_EDIT_MSG32("EM_SETRECT");
388 if ((es
->style
& ES_MULTILINE
) && lParam
) {
389 EDIT_SetRectNP(wnd
, es
, (LPRECT
)lParam
);
390 InvalidateRect(wnd
->hwndSelf
, NULL
, TRUE
);
395 DPRINTF_EDIT_MSG16("EM_SETRECTNP");
396 if ((es
->style
& ES_MULTILINE
) && lParam
) {
398 CONV_RECT16TO32((LPRECT16
)PTR_SEG_TO_LIN(lParam
), &rc
);
399 EDIT_SetRectNP(wnd
, es
, &rc
);
403 DPRINTF_EDIT_MSG32("EM_SETRECTNP");
404 if ((es
->style
& ES_MULTILINE
) && lParam
)
405 EDIT_SetRectNP(wnd
, es
, (LPRECT
)lParam
);
409 DPRINTF_EDIT_MSG16("EM_SCROLL");
412 DPRINTF_EDIT_MSG32("EM_SCROLL");
413 result
= EDIT_EM_Scroll(wnd
, es
, (INT
)wParam
);
416 case EM_LINESCROLL16
:
417 DPRINTF_EDIT_MSG16("EM_LINESCROLL");
418 wParam
= (WPARAM
)(INT
)SHIWORD(lParam
);
419 lParam
= (LPARAM
)(INT
)SLOWORD(lParam
);
422 DPRINTF_EDIT_MSG32("EM_LINESCROLL");
423 result
= (LRESULT
)EDIT_EM_LineScroll(wnd
, es
, (INT
)wParam
, (INT
)lParam
);
426 case EM_SCROLLCARET16
:
427 DPRINTF_EDIT_MSG16("EM_SCROLLCARET");
430 DPRINTF_EDIT_MSG32("EM_SCROLLCARET");
431 EDIT_EM_ScrollCaret(wnd
, es
);
436 DPRINTF_EDIT_MSG16("EM_GETMODIFY");
439 DPRINTF_EDIT_MSG32("EM_GETMODIFY");
440 result
= ((es
->flags
& EF_MODIFIED
) != 0);
444 DPRINTF_EDIT_MSG16("EM_SETMODIFY");
447 DPRINTF_EDIT_MSG32("EM_SETMODIFY");
449 es
->flags
|= EF_MODIFIED
;
451 es
->flags
&= ~(EF_MODIFIED
| EF_UPDATE
); /* reset pending updates */
454 case EM_GETLINECOUNT16
:
455 DPRINTF_EDIT_MSG16("EM_GETLINECOUNT");
457 case EM_GETLINECOUNT
:
458 DPRINTF_EDIT_MSG32("EM_GETLINECOUNT");
459 result
= (es
->style
& ES_MULTILINE
) ? es
->line_count
: 1;
463 DPRINTF_EDIT_MSG16("EM_LINEINDEX");
464 if ((INT16
)wParam
== -1)
468 DPRINTF_EDIT_MSG32("EM_LINEINDEX");
469 result
= (LRESULT
)EDIT_EM_LineIndex(wnd
, es
, (INT
)wParam
);
473 DPRINTF_EDIT_MSG16("EM_SETHANDLE");
474 EDIT_EM_SetHandle16(wnd
, es
, (HLOCAL16
)wParam
);
477 DPRINTF_EDIT_MSG32("EM_SETHANDLE");
478 EDIT_EM_SetHandle(wnd
, es
, (HLOCAL
)wParam
);
482 DPRINTF_EDIT_MSG16("EM_GETHANDLE");
483 result
= (LRESULT
)EDIT_EM_GetHandle16(wnd
, es
);
486 DPRINTF_EDIT_MSG32("EM_GETHANDLE");
487 result
= (LRESULT
)EDIT_EM_GetHandle(wnd
, es
);
491 DPRINTF_EDIT_MSG16("EM_GETTHUMB");
494 DPRINTF_EDIT_MSG32("EM_GETTHUMB");
495 result
= EDIT_EM_GetThumb(wnd
, es
);
498 /* messages 0x00bf and 0x00c0 missing from specs */
501 DPRINTF_EDIT_MSG16("undocumented WM_USER+15, please report");
504 DPRINTF_EDIT_MSG32("undocumented 0x00bf, please report");
505 result
= DefWindowProcA(hwnd
, msg
, wParam
, lParam
);
509 DPRINTF_EDIT_MSG16("undocumented WM_USER+16, please report");
512 DPRINTF_EDIT_MSG32("undocumented 0x00c0, please report");
513 result
= DefWindowProcA(hwnd
, msg
, wParam
, lParam
);
516 case EM_LINELENGTH16
:
517 DPRINTF_EDIT_MSG16("EM_LINELENGTH");
520 DPRINTF_EDIT_MSG32("EM_LINELENGTH");
521 result
= (LRESULT
)EDIT_EM_LineLength(wnd
, es
, (INT
)wParam
);
524 case EM_REPLACESEL16
:
525 DPRINTF_EDIT_MSG16("EM_REPLACESEL");
526 lParam
= (LPARAM
)PTR_SEG_TO_LIN((SEGPTR
)lParam
);
529 DPRINTF_EDIT_MSG32("EM_REPLACESEL");
530 EDIT_EM_ReplaceSel(wnd
, es
, (BOOL
)wParam
, (LPCSTR
)lParam
);
534 /* message 0x00c3 missing from specs */
537 DPRINTF_EDIT_MSG16("undocumented WM_USER+19, please report");
540 DPRINTF_EDIT_MSG32("undocumented 0x00c3, please report");
541 result
= DefWindowProcA(hwnd
, msg
, wParam
, lParam
);
545 DPRINTF_EDIT_MSG16("EM_GETLINE");
546 lParam
= (LPARAM
)PTR_SEG_TO_LIN((SEGPTR
)lParam
);
549 DPRINTF_EDIT_MSG32("EM_GETLINE");
550 result
= (LRESULT
)EDIT_EM_GetLine(wnd
, es
, (INT
)wParam
, (LPSTR
)lParam
);
554 DPRINTF_EDIT_MSG16("EM_LIMITTEXT");
556 case EM_SETLIMITTEXT
:
557 DPRINTF_EDIT_MSG32("EM_SETLIMITTEXT");
558 EDIT_EM_SetLimitText(wnd
, es
, (INT
)wParam
);
562 DPRINTF_EDIT_MSG16("EM_CANUNDO");
565 DPRINTF_EDIT_MSG32("EM_CANUNDO");
566 result
= (LRESULT
)EDIT_EM_CanUndo(wnd
, es
);
570 DPRINTF_EDIT_MSG16("EM_UNDO");
575 DPRINTF_EDIT_MSG32("EM_UNDO / WM_UNDO");
576 result
= (LRESULT
)EDIT_EM_Undo(wnd
, es
);
580 DPRINTF_EDIT_MSG16("EM_FMTLINES");
583 DPRINTF_EDIT_MSG32("EM_FMTLINES");
584 result
= (LRESULT
)EDIT_EM_FmtLines(wnd
, es
, (BOOL
)wParam
);
587 case EM_LINEFROMCHAR16
:
588 DPRINTF_EDIT_MSG16("EM_LINEFROMCHAR");
590 case EM_LINEFROMCHAR
:
591 DPRINTF_EDIT_MSG32("EM_LINEFROMCHAR");
592 result
= (LRESULT
)EDIT_EM_LineFromChar(wnd
, es
, (INT
)wParam
);
595 /* message 0x00ca missing from specs */
598 DPRINTF_EDIT_MSG16("undocumented WM_USER+26, please report");
601 DPRINTF_EDIT_MSG32("undocumented 0x00ca, please report");
602 result
= DefWindowProcA(hwnd
, msg
, wParam
, lParam
);
605 case EM_SETTABSTOPS16
:
606 DPRINTF_EDIT_MSG16("EM_SETTABSTOPS");
607 result
= (LRESULT
)EDIT_EM_SetTabStops16(wnd
, es
, (INT
)wParam
, (LPINT16
)PTR_SEG_TO_LIN((SEGPTR
)lParam
));
610 DPRINTF_EDIT_MSG32("EM_SETTABSTOPS");
611 result
= (LRESULT
)EDIT_EM_SetTabStops(wnd
, es
, (INT
)wParam
, (LPINT
)lParam
);
614 case EM_SETPASSWORDCHAR16
:
615 DPRINTF_EDIT_MSG16("EM_SETPASSWORDCHAR");
617 case EM_SETPASSWORDCHAR
:
618 DPRINTF_EDIT_MSG32("EM_SETPASSWORDCHAR");
619 EDIT_EM_SetPasswordChar(wnd
, es
, (CHAR
)wParam
);
622 case EM_EMPTYUNDOBUFFER16
:
623 DPRINTF_EDIT_MSG16("EM_EMPTYUNDOBUFFER");
625 case EM_EMPTYUNDOBUFFER
:
626 DPRINTF_EDIT_MSG32("EM_EMPTYUNDOBUFFER");
627 EDIT_EM_EmptyUndoBuffer(wnd
, es
);
630 case EM_GETFIRSTVISIBLELINE16
:
631 DPRINTF_EDIT_MSG16("EM_GETFIRSTVISIBLELINE");
632 result
= es
->y_offset
;
634 case EM_GETFIRSTVISIBLELINE
:
635 DPRINTF_EDIT_MSG32("EM_GETFIRSTVISIBLELINE");
636 result
= (es
->style
& ES_MULTILINE
) ? es
->y_offset
: es
->x_offset
;
639 case EM_SETREADONLY16
:
640 DPRINTF_EDIT_MSG16("EM_SETREADONLY");
643 DPRINTF_EDIT_MSG32("EM_SETREADONLY");
645 wnd
->dwStyle
|= ES_READONLY
;
646 es
->style
|= ES_READONLY
;
648 wnd
->dwStyle
&= ~ES_READONLY
;
649 es
->style
&= ~ES_READONLY
;
654 case EM_SETWORDBREAKPROC16
:
655 DPRINTF_EDIT_MSG16("EM_SETWORDBREAKPROC");
656 EDIT_EM_SetWordBreakProc16(wnd
, es
, (EDITWORDBREAKPROC16
)lParam
);
658 case EM_SETWORDBREAKPROC
:
659 DPRINTF_EDIT_MSG32("EM_SETWORDBREAKPROC");
660 EDIT_EM_SetWordBreakProc(wnd
, es
, (EDITWORDBREAKPROCA
)lParam
);
663 case EM_GETWORDBREAKPROC16
:
664 DPRINTF_EDIT_MSG16("EM_GETWORDBREAKPROC");
665 result
= (LRESULT
)es
->word_break_proc16
;
667 case EM_GETWORDBREAKPROC
:
668 DPRINTF_EDIT_MSG32("EM_GETWORDBREAKPROC");
669 result
= (LRESULT
)es
->word_break_proc32A
;
672 case EM_GETPASSWORDCHAR16
:
673 DPRINTF_EDIT_MSG16("EM_GETPASSWORDCHAR");
675 case EM_GETPASSWORDCHAR
:
676 DPRINTF_EDIT_MSG32("EM_GETPASSWORDCHAR");
677 result
= es
->password_char
;
680 /* The following EM_xxx are new to win95 and don't exist for 16 bit */
683 DPRINTF_EDIT_MSG32("EM_SETMARGINS");
684 EDIT_EM_SetMargins(wnd
, es
, (INT
)wParam
, SLOWORD(lParam
), SHIWORD(lParam
));
688 DPRINTF_EDIT_MSG32("EM_GETMARGINS");
689 result
= MAKELONG(es
->left_margin
, es
->right_margin
);
692 case EM_GETLIMITTEXT
:
693 DPRINTF_EDIT_MSG32("EM_GETLIMITTEXT");
694 result
= es
->buffer_limit
;
698 DPRINTF_EDIT_MSG32("EM_POSFROMCHAR");
699 result
= EDIT_EM_PosFromChar(wnd
, es
, (INT
)wParam
, FALSE
);
703 DPRINTF_EDIT_MSG32("EM_CHARFROMPOS");
704 result
= EDIT_EM_CharFromPos(wnd
, es
, SLOWORD(lParam
), SHIWORD(lParam
));
708 DPRINTF_EDIT_MSG32("WM_GETDLGCODE");
709 result
= (es
->style
& ES_MULTILINE
) ?
710 DLGC_WANTALLKEYS
| DLGC_HASSETSEL
| DLGC_WANTCHARS
| DLGC_WANTARROWS
:
711 DLGC_HASSETSEL
| DLGC_WANTCHARS
| DLGC_WANTARROWS
;
715 DPRINTF_EDIT_MSG32("WM_CHAR");
716 EDIT_WM_Char(wnd
, es
, (CHAR
)wParam
, (DWORD
)lParam
);
720 DPRINTF_EDIT_MSG32("WM_CLEAR");
721 EDIT_WM_Clear(wnd
, es
);
725 DPRINTF_EDIT_MSG32("WM_COMMAND");
726 EDIT_WM_Command(wnd
, es
, HIWORD(wParam
), LOWORD(wParam
), (HWND
)lParam
);
730 DPRINTF_EDIT_MSG32("WM_CONTEXTMENU");
731 EDIT_WM_ContextMenu(wnd
, es
, (HWND
)wParam
, SLOWORD(lParam
), SHIWORD(lParam
));
735 DPRINTF_EDIT_MSG32("WM_COPY");
736 EDIT_WM_Copy(wnd
, es
);
740 DPRINTF_EDIT_MSG32("WM_CREATE");
741 result
= EDIT_WM_Create(wnd
, es
, (LPCREATESTRUCTA
)lParam
);
745 DPRINTF_EDIT_MSG32("WM_CUT");
746 EDIT_WM_Cut(wnd
, es
);
750 DPRINTF_EDIT_MSG32("WM_ENABLE");
751 es
->bEnableState
= (BOOL
) wParam
;
752 InvalidateRect(hwnd
, NULL
, TRUE
);
756 DPRINTF_EDIT_MSG32("WM_ERASEBKGND");
757 result
= EDIT_WM_EraseBkGnd(wnd
, es
, (HDC
)wParam
);
761 DPRINTF_EDIT_MSG32("WM_GETFONT");
762 result
= (LRESULT
)es
->font
;
766 DPRINTF_EDIT_MSG32("WM_GETTEXT");
767 result
= (LRESULT
)EDIT_WM_GetText(wnd
, es
, (INT
)wParam
, (LPSTR
)lParam
);
770 case WM_GETTEXTLENGTH
:
771 DPRINTF_EDIT_MSG32("WM_GETTEXTLENGTH");
772 result
= lstrlenA(es
->text
);
776 DPRINTF_EDIT_MSG32("WM_HSCROLL");
777 result
= EDIT_WM_HScroll(wnd
, es
, LOWORD(wParam
), SHIWORD(wParam
), (HWND
)lParam
);
781 DPRINTF_EDIT_MSG32("WM_KEYDOWN");
782 result
= EDIT_WM_KeyDown(wnd
, es
, (INT
)wParam
, (DWORD
)lParam
);
786 DPRINTF_EDIT_MSG32("WM_KILLFOCUS");
787 result
= EDIT_WM_KillFocus(wnd
, es
, (HWND
)wParam
);
790 case WM_LBUTTONDBLCLK
:
791 DPRINTF_EDIT_MSG32("WM_LBUTTONDBLCLK");
792 result
= EDIT_WM_LButtonDblClk(wnd
, es
, (DWORD
)wParam
, SLOWORD(lParam
), SHIWORD(lParam
));
796 DPRINTF_EDIT_MSG32("WM_LBUTTONDOWN");
797 result
= EDIT_WM_LButtonDown(wnd
, es
, (DWORD
)wParam
, SLOWORD(lParam
), SHIWORD(lParam
));
801 DPRINTF_EDIT_MSG32("WM_LBUTTONUP");
802 result
= EDIT_WM_LButtonUp(wnd
, es
, (DWORD
)wParam
, SLOWORD(lParam
), SHIWORD(lParam
));
805 case WM_MOUSEACTIVATE
:
807 * FIXME: maybe DefWindowProc() screws up, but it seems that
808 * modalless dialog boxes need this. If we don't do this, the focus
809 * will _not_ be set by DefWindowProc() for edit controls in a
810 * modalless dialog box ???
812 DPRINTF_EDIT_MSG32("WM_MOUSEACTIVATE");
813 SetFocus(wnd
->hwndSelf
);
814 result
= MA_ACTIVATE
;
819 * DPRINTF_EDIT_MSG32("WM_MOUSEMOVE");
821 result
= EDIT_WM_MouseMove(wnd
, es
, (DWORD
)wParam
, SLOWORD(lParam
), SHIWORD(lParam
));
825 DPRINTF_EDIT_MSG32("WM_PAINT");
826 EDIT_WM_Paint(wnd
, es
, wParam
);
830 DPRINTF_EDIT_MSG32("WM_PASTE");
831 EDIT_WM_Paste(wnd
, es
);
835 DPRINTF_EDIT_MSG32("WM_SETFOCUS");
836 EDIT_WM_SetFocus(wnd
, es
, (HWND
)wParam
);
840 DPRINTF_EDIT_MSG32("WM_SETFONT");
841 EDIT_WM_SetFont(wnd
, es
, (HFONT
)wParam
, LOWORD(lParam
) != 0);
845 DPRINTF_EDIT_MSG32("WM_SETTEXT");
846 EDIT_WM_SetText(wnd
, es
, (LPCSTR
)lParam
);
851 DPRINTF_EDIT_MSG32("WM_SIZE");
852 EDIT_WM_Size(wnd
, es
, (UINT
)wParam
, LOWORD(lParam
), HIWORD(lParam
));
856 DPRINTF_EDIT_MSG32("WM_SYSKEYDOWN");
857 result
= EDIT_WM_SysKeyDown(wnd
, es
, (INT
)wParam
, (DWORD
)lParam
);
861 DPRINTF_EDIT_MSG32("WM_TIMER");
862 EDIT_WM_Timer(wnd
, es
, (INT
)wParam
, (TIMERPROC
)lParam
);
866 DPRINTF_EDIT_MSG32("WM_VSCROLL");
867 result
= EDIT_WM_VScroll(wnd
, es
, LOWORD(wParam
), SHIWORD(wParam
), (HWND
)(lParam
));
871 result
= DefWindowProcA(hwnd
, msg
, wParam
, lParam
);
874 EDIT_UnlockBuffer(wnd
, es
, FALSE
);
876 WIN_ReleaseWndPtr(wnd
);
882 /*********************************************************************
884 * EDIT_BuildLineDefs_ML
886 * Build linked list of text lines.
887 * Lines can end with '\0' (last line), a character (if it is wrapped),
888 * a soft return '\r\r\n' or a hard return '\r\n'
891 static void EDIT_BuildLineDefs_ML(WND
*wnd
, EDITSTATE
*es
)
897 LINEDEF
*current_def
;
898 LINEDEF
**previous_next
;
900 current_def
= es
->first_line_def
;
902 LINEDEF
*next_def
= current_def
->next
;
903 HeapFree(es
->heap
, 0, current_def
);
904 current_def
= next_def
;
905 } while (current_def
);
909 dc
= GetDC(wnd
->hwndSelf
);
911 old_font
= SelectObject(dc
, es
->font
);
913 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
915 previous_next
= &es
->first_line_def
;
917 current_def
= HeapAlloc(es
->heap
, 0, sizeof(LINEDEF
));
918 current_def
->next
= NULL
;
921 if ((*cp
== '\r') && (*(cp
+ 1) == '\n'))
926 current_def
->ending
= END_0
;
927 current_def
->net_length
= lstrlenA(start
);
928 } else if ((cp
> start
) && (*(cp
- 1) == '\r')) {
929 current_def
->ending
= END_SOFT
;
930 current_def
->net_length
= cp
- start
- 1;
932 current_def
->ending
= END_HARD
;
933 current_def
->net_length
= cp
- start
;
935 current_def
->width
= (INT
)LOWORD(GetTabbedTextExtentA(dc
,
936 start
, current_def
->net_length
,
937 es
->tabs_count
, es
->tabs
));
938 /* FIXME: check here for lines that are too wide even in AUTOHSCROLL (> 32767 ???) */
939 if ((!(es
->style
& ES_AUTOHSCROLL
)) && (current_def
->width
> fw
)) {
944 next
= EDIT_CallWordBreakProc(wnd
, es
, start
- es
->text
,
945 prev
+ 1, current_def
->net_length
, WB_RIGHT
);
946 current_def
->width
= (INT
)LOWORD(GetTabbedTextExtentA(dc
,
947 start
, next
, es
->tabs_count
, es
->tabs
));
948 } while (current_def
->width
<= fw
);
954 current_def
->width
= (INT
)LOWORD(GetTabbedTextExtentA(dc
,
955 start
, next
, es
->tabs_count
, es
->tabs
));
956 } while (current_def
->width
<= fw
);
960 current_def
->net_length
= prev
;
961 current_def
->ending
= END_WRAP
;
962 current_def
->width
= (INT
)LOWORD(GetTabbedTextExtentA(dc
, start
,
963 current_def
->net_length
, es
->tabs_count
, es
->tabs
));
965 switch (current_def
->ending
) {
967 current_def
->length
= current_def
->net_length
+ 3;
970 current_def
->length
= current_def
->net_length
+ 2;
974 current_def
->length
= current_def
->net_length
;
977 es
->text_width
= MAX(es
->text_width
, current_def
->width
);
978 start
+= current_def
->length
;
979 *previous_next
= current_def
;
980 previous_next
= ¤t_def
->next
;
982 } while (current_def
->ending
!= END_0
);
984 SelectObject(dc
, old_font
);
985 ReleaseDC(wnd
->hwndSelf
, dc
);
989 /*********************************************************************
991 * EDIT_CallWordBreakProc
993 * Call appropriate WordBreakProc (internal or external).
995 * Note: The "start" argument should always be an index refering
996 * to es->text. The actual wordbreak proc might be
997 * 16 bit, so we can't always pass any 32 bit LPSTR.
998 * Hence we assume that es->text is the buffer that holds
999 * the string under examination (we can decide this for ourselves).
1002 static INT
EDIT_CallWordBreakProc(WND
*wnd
, EDITSTATE
*es
, INT start
, INT index
, INT count
, INT action
)
1004 if (es
->word_break_proc16
) {
1005 HLOCAL16 hloc16
= EDIT_EM_GetHandle16(wnd
, es
);
1006 SEGPTR segptr
= LocalLock16(hloc16
);
1007 INT ret
= (INT
)Callbacks
->CallWordBreakProc(es
->word_break_proc16
,
1008 segptr
+ start
, index
, count
, action
);
1009 LocalUnlock16(hloc16
);
1012 else if (es
->word_break_proc32A
)
1014 TRACE_(relay
)("(wordbrk=%p,str='%s',idx=%d,cnt=%d,act=%d)\n",
1015 es
->word_break_proc32A
, es
->text
+ start
, index
,
1017 return (INT
)es
->word_break_proc32A( es
->text
+ start
, index
,
1021 return EDIT_WordBreakProc(es
->text
+ start
, index
, count
, action
);
1025 /*********************************************************************
1029 * Beware: This is not the function called on EM_CHARFROMPOS
1030 * The position _can_ be outside the formatting / client
1032 * The return value is only the character index
1035 static INT
EDIT_CharFromPos(WND
*wnd
, EDITSTATE
*es
, INT x
, INT y
, LPBOOL after_wrap
)
1041 if (es
->style
& ES_MULTILINE
) {
1042 INT line
= (y
- es
->format_rect
.top
) / es
->line_height
+ es
->y_offset
;
1044 LINEDEF
*line_def
= es
->first_line_def
;
1046 while ((line
> 0) && line_def
->next
) {
1047 line_index
+= line_def
->length
;
1048 line_def
= line_def
->next
;
1051 x
+= es
->x_offset
- es
->format_rect
.left
;
1052 if (x
>= line_def
->width
) {
1054 *after_wrap
= (line_def
->ending
== END_WRAP
);
1055 return line_index
+ line_def
->net_length
;
1059 *after_wrap
= FALSE
;
1062 dc
= GetDC(wnd
->hwndSelf
);
1064 old_font
= SelectObject(dc
, es
->font
);
1065 low
= line_index
+ 1;
1066 high
= line_index
+ line_def
->net_length
+ 1;
1067 while (low
< high
- 1)
1069 INT mid
= (low
+ high
) / 2;
1070 if (LOWORD(GetTabbedTextExtentA(dc
, es
->text
+ line_index
,mid
- line_index
, es
->tabs_count
, es
->tabs
)) > x
) high
= mid
;
1076 *after_wrap
= ((index
== line_index
+ line_def
->net_length
) &&
1077 (line_def
->ending
== END_WRAP
));
1082 *after_wrap
= FALSE
;
1083 x
-= es
->format_rect
.left
;
1085 return es
->x_offset
;
1086 text
= EDIT_GetPasswordPointer_SL(wnd
, es
);
1087 dc
= GetDC(wnd
->hwndSelf
);
1089 old_font
= SelectObject(dc
, es
->font
);
1093 INT high
= es
->x_offset
;
1094 while (low
< high
- 1)
1096 INT mid
= (low
+ high
) / 2;
1097 GetTextExtentPoint32A( dc
, text
+ mid
,
1098 es
->x_offset
- mid
, &size
);
1099 if (size
.cx
> -x
) low
= mid
;
1106 INT low
= es
->x_offset
;
1107 INT high
= lstrlenA(es
->text
) + 1;
1108 while (low
< high
- 1)
1110 INT mid
= (low
+ high
) / 2;
1111 GetTextExtentPoint32A( dc
, text
+ es
->x_offset
,
1112 mid
- es
->x_offset
, &size
);
1113 if (size
.cx
> x
) high
= mid
;
1118 if (es
->style
& ES_PASSWORD
)
1119 HeapFree(es
->heap
, 0 ,text
);
1122 SelectObject(dc
, old_font
);
1123 ReleaseDC(wnd
->hwndSelf
, dc
);
1128 /*********************************************************************
1132 * adjusts the point to be within the formatting rectangle
1133 * (so CharFromPos returns the nearest _visible_ character)
1136 static void EDIT_ConfinePoint(WND
*wnd
, EDITSTATE
*es
, LPINT x
, LPINT y
)
1138 *x
= MIN(MAX(*x
, es
->format_rect
.left
), es
->format_rect
.right
- 1);
1139 *y
= MIN(MAX(*y
, es
->format_rect
.top
), es
->format_rect
.bottom
- 1);
1143 /*********************************************************************
1147 * Calculates the bounding rectangle for a line from a starting
1148 * column to an ending column.
1151 static void EDIT_GetLineRect(WND
*wnd
, EDITSTATE
*es
, INT line
, INT scol
, INT ecol
, LPRECT rc
)
1153 INT line_index
= EDIT_EM_LineIndex(wnd
, es
, line
);
1155 if (es
->style
& ES_MULTILINE
)
1156 rc
->top
= es
->format_rect
.top
+ (line
- es
->y_offset
) * es
->line_height
;
1158 rc
->top
= es
->format_rect
.top
;
1159 rc
->bottom
= rc
->top
+ es
->line_height
;
1160 rc
->left
= (scol
== 0) ? es
->format_rect
.left
: SLOWORD(EDIT_EM_PosFromChar(wnd
, es
, line_index
+ scol
, TRUE
));
1161 rc
->right
= (ecol
== -1) ? es
->format_rect
.right
: SLOWORD(EDIT_EM_PosFromChar(wnd
, es
, line_index
+ ecol
, TRUE
));
1165 /*********************************************************************
1167 * EDIT_GetPasswordPointer_SL
1169 * note: caller should free the (optionally) allocated buffer
1172 static LPSTR
EDIT_GetPasswordPointer_SL(WND
*wnd
, EDITSTATE
*es
)
1174 if (es
->style
& ES_PASSWORD
) {
1175 INT len
= lstrlenA(es
->text
);
1176 LPSTR text
= HeapAlloc(es
->heap
, 0, len
+ 1);
1177 RtlFillMemory(text
, len
, es
->password_char
);
1185 /*********************************************************************
1189 * This acts as a LOCAL_Lock(), but it locks only once. This way
1190 * you can call it whenever you like, without unlocking.
1193 static void EDIT_LockBuffer(WND
*wnd
, EDITSTATE
*es
)
1196 ERR("no EDITSTATE ... please report\n");
1199 if (!(es
->style
& ES_MULTILINE
))
1203 es
->text
= LocalLock(es
->hloc32
);
1204 else if (es
->hloc16
)
1205 es
->text
= LOCAL_Lock(wnd
->hInstance
, es
->hloc16
);
1207 ERR("no buffer ... please report\n");
1215 /*********************************************************************
1217 * EDIT_SL_InvalidateText
1219 * Called from EDIT_InvalidateText().
1220 * Does the job for single-line controls only.
1223 static void EDIT_SL_InvalidateText(WND
*wnd
, EDITSTATE
*es
, INT start
, INT end
)
1228 EDIT_GetLineRect(wnd
, es
, 0, start
, end
, &line_rect
);
1229 if (IntersectRect(&rc
, &line_rect
, &es
->format_rect
))
1230 InvalidateRect(wnd
->hwndSelf
, &rc
, FALSE
);
1234 /*********************************************************************
1236 * EDIT_ML_InvalidateText
1238 * Called from EDIT_InvalidateText().
1239 * Does the job for multi-line controls only.
1242 static void EDIT_ML_InvalidateText(WND
*wnd
, EDITSTATE
*es
, INT start
, INT end
)
1244 INT vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
1245 INT sl
= EDIT_EM_LineFromChar(wnd
, es
, start
);
1246 INT el
= EDIT_EM_LineFromChar(wnd
, es
, end
);
1255 if ((el
< es
->y_offset
) || (sl
> es
->y_offset
+ vlc
))
1258 sc
= start
- EDIT_EM_LineIndex(wnd
, es
, sl
);
1259 ec
= end
- EDIT_EM_LineIndex(wnd
, es
, el
);
1260 if (sl
< es
->y_offset
) {
1264 if (el
> es
->y_offset
+ vlc
) {
1265 el
= es
->y_offset
+ vlc
;
1266 ec
= EDIT_EM_LineLength(wnd
, es
, EDIT_EM_LineIndex(wnd
, es
, el
));
1268 GetClientRect(wnd
->hwndSelf
, &rc1
);
1269 IntersectRect(&rcWnd
, &rc1
, &es
->format_rect
);
1271 EDIT_GetLineRect(wnd
, es
, sl
, sc
, ec
, &rcLine
);
1272 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1273 InvalidateRect(wnd
->hwndSelf
, &rcUpdate
, FALSE
);
1275 EDIT_GetLineRect(wnd
, es
, sl
, sc
,
1276 EDIT_EM_LineLength(wnd
, es
,
1277 EDIT_EM_LineIndex(wnd
, es
, sl
)),
1279 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1280 InvalidateRect(wnd
->hwndSelf
, &rcUpdate
, FALSE
);
1281 for (l
= sl
+ 1 ; l
< el
; l
++) {
1282 EDIT_GetLineRect(wnd
, es
, l
, 0,
1283 EDIT_EM_LineLength(wnd
, es
,
1284 EDIT_EM_LineIndex(wnd
, es
, l
)),
1286 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1287 InvalidateRect(wnd
->hwndSelf
, &rcUpdate
, FALSE
);
1289 EDIT_GetLineRect(wnd
, es
, el
, 0, ec
, &rcLine
);
1290 if (IntersectRect(&rcUpdate
, &rcWnd
, &rcLine
))
1291 InvalidateRect(wnd
->hwndSelf
, &rcUpdate
, FALSE
);
1296 /*********************************************************************
1298 * EDIT_InvalidateText
1300 * Invalidate the text from offset start upto, but not including,
1301 * offset end. Useful for (re)painting the selection.
1302 * Regions outside the linewidth are not invalidated.
1303 * end == -1 means end == TextLength.
1304 * start and end need not be ordered.
1307 static void EDIT_InvalidateText(WND
*wnd
, EDITSTATE
*es
, INT start
, INT end
)
1313 end
= lstrlenA(es
->text
);
1315 ORDER_INT(start
, end
);
1317 if (es
->style
& ES_MULTILINE
)
1318 EDIT_ML_InvalidateText(wnd
, es
, start
, end
);
1320 EDIT_SL_InvalidateText(wnd
, es
, start
, end
);
1324 /*********************************************************************
1328 * Try to fit size + 1 bytes in the buffer. Constrain to limits.
1331 static BOOL
EDIT_MakeFit(WND
*wnd
, EDITSTATE
*es
, INT size
)
1336 if (size
<= es
->buffer_size
)
1338 if (size
> es
->buffer_limit
) {
1339 EDIT_NOTIFY_PARENT(wnd
, EN_MAXTEXT
, "EN_MAXTEXT");
1342 size
= ((size
/ GROWLENGTH
) + 1) * GROWLENGTH
;
1343 if (size
> es
->buffer_limit
)
1344 size
= es
->buffer_limit
;
1346 TRACE("trying to ReAlloc to %d+1\n", size
);
1348 EDIT_UnlockBuffer(wnd
, es
, TRUE
);
1350 if ((es
->text
= HeapReAlloc(es
->heap
, 0, es
->text
, size
+ 1)))
1351 es
->buffer_size
= MIN(HeapSize(es
->heap
, 0, es
->text
) - 1, es
->buffer_limit
);
1353 es
->buffer_size
= 0;
1354 } else if (es
->hloc32
) {
1355 if ((hNew32
= LocalReAlloc(es
->hloc32
, size
+ 1, 0))) {
1356 TRACE("Old 32 bit handle %08x, new handle %08x\n", es
->hloc32
, hNew32
);
1357 es
->hloc32
= hNew32
;
1358 es
->buffer_size
= MIN(LocalSize(es
->hloc32
) - 1, es
->buffer_limit
);
1360 } else if (es
->hloc16
) {
1361 if ((hNew16
= LOCAL_ReAlloc(wnd
->hInstance
, es
->hloc16
, size
+ 1, LMEM_MOVEABLE
))) {
1362 TRACE("Old 16 bit handle %08x, new handle %08x\n", es
->hloc16
, hNew16
);
1363 es
->hloc16
= hNew16
;
1364 es
->buffer_size
= MIN(LOCAL_Size(wnd
->hInstance
, es
->hloc16
) - 1, es
->buffer_limit
);
1367 if (es
->buffer_size
< size
) {
1368 EDIT_LockBuffer(wnd
, es
);
1369 WARN("FAILED ! We now have %d+1\n", es
->buffer_size
);
1370 EDIT_NOTIFY_PARENT(wnd
, EN_ERRSPACE
, "EN_ERRSPACE");
1373 EDIT_LockBuffer(wnd
, es
);
1374 TRACE("We now have %d+1\n", es
->buffer_size
);
1380 /*********************************************************************
1384 * Try to fit size + 1 bytes in the undo buffer.
1387 static BOOL
EDIT_MakeUndoFit(WND
*wnd
, EDITSTATE
*es
, INT size
)
1389 if (size
<= es
->undo_buffer_size
)
1391 size
= ((size
/ GROWLENGTH
) + 1) * GROWLENGTH
;
1393 TRACE("trying to ReAlloc to %d+1\n", size
);
1395 if ((es
->undo_text
= HeapReAlloc(es
->heap
, 0, es
->undo_text
, size
+ 1))) {
1396 es
->undo_buffer_size
= HeapSize(es
->heap
, 0, es
->undo_text
) - 1;
1397 if (es
->undo_buffer_size
< size
) {
1398 WARN("FAILED ! We now have %d+1\n", es
->undo_buffer_size
);
1407 /*********************************************************************
1412 static void EDIT_MoveBackward(WND
*wnd
, EDITSTATE
*es
, BOOL extend
)
1414 INT e
= es
->selection_end
;
1418 if ((es
->style
& ES_MULTILINE
) && e
&&
1419 (es
->text
[e
- 1] == '\r') && (es
->text
[e
] == '\n')) {
1421 if (e
&& (es
->text
[e
- 1] == '\r'))
1425 EDIT_EM_SetSel(wnd
, es
, extend
? es
->selection_start
: e
, e
, FALSE
);
1426 EDIT_EM_ScrollCaret(wnd
, es
);
1430 /*********************************************************************
1434 * Only for multi line controls
1435 * Move the caret one line down, on a column with the nearest
1436 * x coordinate on the screen (might be a different column).
1439 static void EDIT_MoveDown_ML(WND
*wnd
, EDITSTATE
*es
, BOOL extend
)
1441 INT s
= es
->selection_start
;
1442 INT e
= es
->selection_end
;
1443 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
1444 LRESULT pos
= EDIT_EM_PosFromChar(wnd
, es
, e
, after_wrap
);
1445 INT x
= SLOWORD(pos
);
1446 INT y
= SHIWORD(pos
);
1448 e
= EDIT_CharFromPos(wnd
, es
, x
, y
+ es
->line_height
, &after_wrap
);
1451 EDIT_EM_SetSel(wnd
, es
, s
, e
, after_wrap
);
1452 EDIT_EM_ScrollCaret(wnd
, es
);
1456 /*********************************************************************
1461 static void EDIT_MoveEnd(WND
*wnd
, EDITSTATE
*es
, BOOL extend
)
1463 BOOL after_wrap
= FALSE
;
1466 /* Pass a high value in x to make sure of receiving the en of the line */
1467 if (es
->style
& ES_MULTILINE
)
1468 e
= EDIT_CharFromPos(wnd
, es
, 0x3fffffff,
1469 HIWORD(EDIT_EM_PosFromChar(wnd
, es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
)), &after_wrap
);
1471 e
= lstrlenA(es
->text
);
1472 EDIT_EM_SetSel(wnd
, es
, extend
? es
->selection_start
: e
, e
, after_wrap
);
1473 EDIT_EM_ScrollCaret(wnd
, es
);
1477 /*********************************************************************
1482 static void EDIT_MoveForward(WND
*wnd
, EDITSTATE
*es
, BOOL extend
)
1484 INT e
= es
->selection_end
;
1488 if ((es
->style
& ES_MULTILINE
) && (es
->text
[e
- 1] == '\r')) {
1489 if (es
->text
[e
] == '\n')
1491 else if ((es
->text
[e
] == '\r') && (es
->text
[e
+ 1] == '\n'))
1495 EDIT_EM_SetSel(wnd
, es
, extend
? es
->selection_start
: e
, e
, FALSE
);
1496 EDIT_EM_ScrollCaret(wnd
, es
);
1500 /*********************************************************************
1504 * Home key: move to beginning of line.
1507 static void EDIT_MoveHome(WND
*wnd
, EDITSTATE
*es
, BOOL extend
)
1511 /* Pass the x_offset in x to make sure of receiving the first position of the line */
1512 if (es
->style
& ES_MULTILINE
)
1513 e
= EDIT_CharFromPos(wnd
, es
, -es
->x_offset
,
1514 HIWORD(EDIT_EM_PosFromChar(wnd
, es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
)), NULL
);
1517 EDIT_EM_SetSel(wnd
, es
, extend
? es
->selection_start
: e
, e
, FALSE
);
1518 EDIT_EM_ScrollCaret(wnd
, es
);
1522 /*********************************************************************
1524 * EDIT_MovePageDown_ML
1526 * Only for multi line controls
1527 * Move the caret one page down, on a column with the nearest
1528 * x coordinate on the screen (might be a different column).
1531 static void EDIT_MovePageDown_ML(WND
*wnd
, EDITSTATE
*es
, BOOL extend
)
1533 INT s
= es
->selection_start
;
1534 INT e
= es
->selection_end
;
1535 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
1536 LRESULT pos
= EDIT_EM_PosFromChar(wnd
, es
, e
, after_wrap
);
1537 INT x
= SLOWORD(pos
);
1538 INT y
= SHIWORD(pos
);
1540 e
= EDIT_CharFromPos(wnd
, es
, x
,
1541 y
+ (es
->format_rect
.bottom
- es
->format_rect
.top
),
1545 EDIT_EM_SetSel(wnd
, es
, s
, e
, after_wrap
);
1546 EDIT_EM_ScrollCaret(wnd
, es
);
1550 /*********************************************************************
1552 * EDIT_MovePageUp_ML
1554 * Only for multi line controls
1555 * Move the caret one page up, on a column with the nearest
1556 * x coordinate on the screen (might be a different column).
1559 static void EDIT_MovePageUp_ML(WND
*wnd
, EDITSTATE
*es
, BOOL extend
)
1561 INT s
= es
->selection_start
;
1562 INT e
= es
->selection_end
;
1563 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
1564 LRESULT pos
= EDIT_EM_PosFromChar(wnd
, es
, e
, after_wrap
);
1565 INT x
= SLOWORD(pos
);
1566 INT y
= SHIWORD(pos
);
1568 e
= EDIT_CharFromPos(wnd
, es
, x
,
1569 y
- (es
->format_rect
.bottom
- es
->format_rect
.top
),
1573 EDIT_EM_SetSel(wnd
, es
, s
, e
, after_wrap
);
1574 EDIT_EM_ScrollCaret(wnd
, es
);
1578 /*********************************************************************
1582 * Only for multi line controls
1583 * Move the caret one line up, on a column with the nearest
1584 * x coordinate on the screen (might be a different column).
1587 static void EDIT_MoveUp_ML(WND
*wnd
, EDITSTATE
*es
, BOOL extend
)
1589 INT s
= es
->selection_start
;
1590 INT e
= es
->selection_end
;
1591 BOOL after_wrap
= (es
->flags
& EF_AFTER_WRAP
);
1592 LRESULT pos
= EDIT_EM_PosFromChar(wnd
, es
, e
, after_wrap
);
1593 INT x
= SLOWORD(pos
);
1594 INT y
= SHIWORD(pos
);
1596 e
= EDIT_CharFromPos(wnd
, es
, x
, y
- es
->line_height
, &after_wrap
);
1599 EDIT_EM_SetSel(wnd
, es
, s
, e
, after_wrap
);
1600 EDIT_EM_ScrollCaret(wnd
, es
);
1604 /*********************************************************************
1606 * EDIT_MoveWordBackward
1609 static void EDIT_MoveWordBackward(WND
*wnd
, EDITSTATE
*es
, BOOL extend
)
1611 INT s
= es
->selection_start
;
1612 INT e
= es
->selection_end
;
1617 l
= EDIT_EM_LineFromChar(wnd
, es
, e
);
1618 ll
= EDIT_EM_LineLength(wnd
, es
, e
);
1619 li
= EDIT_EM_LineIndex(wnd
, es
, l
);
1622 li
= EDIT_EM_LineIndex(wnd
, es
, l
- 1);
1623 e
= li
+ EDIT_EM_LineLength(wnd
, es
, li
);
1626 e
= li
+ (INT
)EDIT_CallWordBreakProc(wnd
, es
,
1627 li
, e
- li
, ll
, WB_LEFT
);
1631 EDIT_EM_SetSel(wnd
, es
, s
, e
, FALSE
);
1632 EDIT_EM_ScrollCaret(wnd
, es
);
1636 /*********************************************************************
1638 * EDIT_MoveWordForward
1641 static void EDIT_MoveWordForward(WND
*wnd
, EDITSTATE
*es
, BOOL extend
)
1643 INT s
= es
->selection_start
;
1644 INT e
= es
->selection_end
;
1649 l
= EDIT_EM_LineFromChar(wnd
, es
, e
);
1650 ll
= EDIT_EM_LineLength(wnd
, es
, e
);
1651 li
= EDIT_EM_LineIndex(wnd
, es
, l
);
1653 if ((es
->style
& ES_MULTILINE
) && (l
!= es
->line_count
- 1))
1654 e
= EDIT_EM_LineIndex(wnd
, es
, l
+ 1);
1656 e
= li
+ EDIT_CallWordBreakProc(wnd
, es
,
1657 li
, e
- li
+ 1, ll
, WB_RIGHT
);
1661 EDIT_EM_SetSel(wnd
, es
, s
, e
, FALSE
);
1662 EDIT_EM_ScrollCaret(wnd
, es
);
1666 /*********************************************************************
1671 static void EDIT_PaintLine(WND
*wnd
, EDITSTATE
*es
, HDC dc
, INT line
, BOOL rev
)
1673 INT s
= es
->selection_start
;
1674 INT e
= es
->selection_end
;
1681 if (es
->style
& ES_MULTILINE
) {
1682 INT vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
1683 if ((line
< es
->y_offset
) || (line
> es
->y_offset
+ vlc
) || (line
>= es
->line_count
))
1688 TRACE("line=%d\n", line
);
1690 pos
= EDIT_EM_PosFromChar(wnd
, es
, EDIT_EM_LineIndex(wnd
, es
, line
), FALSE
);
1693 li
= EDIT_EM_LineIndex(wnd
, es
, line
);
1694 ll
= EDIT_EM_LineLength(wnd
, es
, li
);
1695 s
= es
->selection_start
;
1696 e
= es
->selection_end
;
1698 s
= MIN(li
+ ll
, MAX(li
, s
));
1699 e
= MIN(li
+ ll
, MAX(li
, e
));
1700 if (rev
&& (s
!= e
) &&
1701 ((es
->flags
& EF_FOCUSED
) || (es
->style
& ES_NOHIDESEL
))) {
1702 x
+= EDIT_PaintText(wnd
, es
, dc
, x
, y
, line
, 0, s
- li
, FALSE
);
1703 x
+= EDIT_PaintText(wnd
, es
, dc
, x
, y
, line
, s
- li
, e
- s
, TRUE
);
1704 x
+= EDIT_PaintText(wnd
, es
, dc
, x
, y
, line
, e
- li
, li
+ ll
- e
, FALSE
);
1706 x
+= EDIT_PaintText(wnd
, es
, dc
, x
, y
, line
, 0, ll
, FALSE
);
1710 /*********************************************************************
1715 static INT
EDIT_PaintText(WND
*wnd
, EDITSTATE
*es
, HDC dc
, INT x
, INT y
, INT line
, INT col
, INT count
, BOOL rev
)
1725 BkColor
= GetBkColor(dc
);
1726 TextColor
= GetTextColor(dc
);
1728 SetBkColor(dc
, GetSysColor(COLOR_HIGHLIGHT
));
1729 SetTextColor(dc
, GetSysColor(COLOR_HIGHLIGHTTEXT
));
1731 li
= EDIT_EM_LineIndex(wnd
, es
, line
);
1732 if (es
->style
& ES_MULTILINE
) {
1733 ret
= (INT
)LOWORD(TabbedTextOutA(dc
, x
, y
, es
->text
+ li
+ col
, count
,
1734 es
->tabs_count
, es
->tabs
, es
->format_rect
.left
- es
->x_offset
));
1736 LPSTR text
= EDIT_GetPasswordPointer_SL(wnd
, es
);
1737 TextOutA(dc
, x
, y
, text
+ li
+ col
, count
);
1738 GetTextExtentPoint32A(dc
, text
+ li
+ col
, count
, &size
);
1740 if (es
->style
& ES_PASSWORD
)
1741 HeapFree(es
->heap
, 0, text
);
1744 SetBkColor(dc
, BkColor
);
1745 SetTextColor(dc
, TextColor
);
1751 /*********************************************************************
1756 static void EDIT_SetCaretPos(WND
*wnd
, EDITSTATE
*es
, INT pos
,
1759 LRESULT res
= EDIT_EM_PosFromChar(wnd
, es
, pos
, after_wrap
);
1760 INT x
= SLOWORD(res
);
1761 INT y
= SHIWORD(res
);
1763 if(x
< es
->format_rect
.left
)
1764 x
= es
->format_rect
.left
;
1765 if(x
> es
->format_rect
.right
- 2)
1766 x
= es
->format_rect
.right
- 2;
1767 if(y
> es
->format_rect
.bottom
)
1768 y
= es
->format_rect
.bottom
;
1769 if(y
< es
->format_rect
.top
)
1770 y
= es
->format_rect
.top
;
1776 /*********************************************************************
1780 * note: this is not (exactly) the handler called on EM_SETRECTNP
1781 * it is also used to set the rect of a single line control
1784 static void EDIT_SetRectNP(WND
*wnd
, EDITSTATE
*es
, LPRECT rc
)
1786 CopyRect(&es
->format_rect
, rc
);
1787 if (es
->style
& WS_BORDER
) {
1788 INT bw
= GetSystemMetrics(SM_CXBORDER
) + 1;
1789 if(TWEAK_WineLook
== WIN31_LOOK
)
1791 es
->format_rect
.left
+= bw
;
1792 es
->format_rect
.top
+= bw
;
1793 es
->format_rect
.right
-= bw
;
1794 es
->format_rect
.bottom
-= bw
;
1796 es
->format_rect
.left
+= es
->left_margin
;
1797 es
->format_rect
.right
-= es
->right_margin
;
1798 es
->format_rect
.right
= MAX(es
->format_rect
.right
, es
->format_rect
.left
+ es
->char_width
);
1799 if (es
->style
& ES_MULTILINE
)
1800 es
->format_rect
.bottom
= es
->format_rect
.top
+
1801 MAX(1, (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
) * es
->line_height
;
1803 es
->format_rect
.bottom
= es
->format_rect
.top
+ es
->line_height
;
1804 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_AUTOHSCROLL
))
1805 EDIT_BuildLineDefs_ML(wnd
, es
);
1809 /*********************************************************************
1814 static void EDIT_UnlockBuffer(WND
*wnd
, EDITSTATE
*es
, BOOL force
)
1817 ERR("no EDITSTATE ... please report\n");
1820 if (!(es
->style
& ES_MULTILINE
))
1822 if (!es
->lock_count
) {
1823 ERR("lock_count == 0 ... please report\n");
1827 ERR("es->text == 0 ... please report\n");
1830 if (force
|| (es
->lock_count
== 1)) {
1832 LocalUnlock(es
->hloc32
);
1834 } else if (es
->hloc16
) {
1835 LOCAL_Unlock(wnd
->hInstance
, es
->hloc16
);
1843 /*********************************************************************
1845 * EDIT_WordBreakProc
1847 * Find the beginning of words.
1848 * Note: unlike the specs for a WordBreakProc, this function only
1849 * allows to be called without linebreaks between s[0] upto
1850 * s[count - 1]. Remember it is only called
1851 * internally, so we can decide this for ourselves.
1854 static INT
EDIT_WordBreakProc(LPSTR s
, INT index
, INT count
, INT action
)
1858 TRACE("s=%p, index=%u, count=%u, action=%d\n",
1859 s
, index
, count
, action
);
1867 if (s
[index
] == ' ') {
1868 while (index
&& (s
[index
] == ' '))
1871 while (index
&& (s
[index
] != ' '))
1873 if (s
[index
] == ' ')
1877 while (index
&& (s
[index
] != ' '))
1879 if (s
[index
] == ' ')
1889 if (s
[index
] == ' ')
1890 while ((index
< count
) && (s
[index
] == ' ')) index
++;
1892 while (s
[index
] && (s
[index
] != ' ') && (index
< count
))
1894 while ((s
[index
] == ' ') && (index
< count
)) index
++;
1898 case WB_ISDELIMITER
:
1899 ret
= (s
[index
] == ' ');
1902 ERR("unknown action code, please report !\n");
1909 /*********************************************************************
1913 * returns line number (not index) in high-order word of result.
1914 * NB : Q137805 is unclear about this. POINT * pointer in lParam apply
1915 * to Richedit, not to the edit control. Original documentation is valid.
1916 * FIXME: do the specs mean to return -1 if outside client area or
1917 * if outside formatting rectangle ???
1920 static LRESULT
EDIT_EM_CharFromPos(WND
*wnd
, EDITSTATE
*es
, INT x
, INT y
)
1928 GetClientRect(wnd
->hwndSelf
, &rc
);
1929 if (!PtInRect(&rc
, pt
))
1932 index
= EDIT_CharFromPos(wnd
, es
, x
, y
, NULL
);
1933 return MAKELONG(index
, EDIT_EM_LineFromChar(wnd
, es
, index
));
1937 /*********************************************************************
1941 * Enable or disable soft breaks.
1943 static BOOL
EDIT_EM_FmtLines(WND
*wnd
, EDITSTATE
*es
, BOOL add_eol
)
1945 es
->flags
&= ~EF_USE_SOFTBRK
;
1947 es
->flags
|= EF_USE_SOFTBRK
;
1948 FIXME("soft break enabled, not implemented\n");
1954 /*********************************************************************
1958 * Hopefully this won't fire back at us.
1959 * We always start with a fixed buffer in our own heap.
1960 * However, with this message a 32 bit application requests
1961 * a handle to 32 bit moveable local heap memory, where it expects
1963 * It's a pity that from this moment on we have to use this
1964 * local heap, because applications may rely on the handle
1967 * In this function we'll try to switch to local heap.
1970 static HLOCAL
EDIT_EM_GetHandle(WND
*wnd
, EDITSTATE
*es
)
1976 if (!(es
->style
& ES_MULTILINE
))
1981 else if (es
->hloc16
)
1982 return (HLOCAL
)es
->hloc16
;
1984 if (!(newBuf
= LocalAlloc(LMEM_MOVEABLE
, lstrlenA(es
->text
) + 1))) {
1985 ERR("could not allocate new 32 bit buffer\n");
1988 newSize
= MIN(LocalSize(newBuf
) - 1, es
->buffer_limit
);
1989 if (!(newText
= LocalLock(newBuf
))) {
1990 ERR("could not lock new 32 bit buffer\n");
1994 lstrcpyA(newText
, es
->text
);
1995 EDIT_UnlockBuffer(wnd
, es
, TRUE
);
1997 HeapFree(es
->heap
, 0, es
->text
);
1998 es
->hloc32
= newBuf
;
1999 es
->hloc16
= (HLOCAL16
)NULL
;
2000 es
->buffer_size
= newSize
;
2002 EDIT_LockBuffer(wnd
, es
);
2003 TRACE("switched to 32 bit local heap\n");
2009 /*********************************************************************
2013 * Hopefully this won't fire back at us.
2014 * We always start with a buffer in 32 bit linear memory.
2015 * However, with this message a 16 bit application requests
2016 * a handle of 16 bit local heap memory, where it expects to find
2018 * It's a pitty that from this moment on we have to use this
2019 * local heap, because applications may rely on the handle
2022 * In this function we'll try to switch to local heap.
2024 static HLOCAL16
EDIT_EM_GetHandle16(WND
*wnd
, EDITSTATE
*es
)
2030 if (!(es
->style
& ES_MULTILINE
))
2036 if (!LOCAL_HeapSize(wnd
->hInstance
)) {
2037 if (!LocalInit16(wnd
->hInstance
, 0,
2038 GlobalSize16(wnd
->hInstance
))) {
2039 ERR("could not initialize local heap\n");
2042 TRACE("local heap initialized\n");
2044 if (!(newBuf
= LOCAL_Alloc(wnd
->hInstance
, LMEM_MOVEABLE
, lstrlenA(es
->text
) + 1))) {
2045 ERR("could not allocate new 16 bit buffer\n");
2048 newSize
= MIN(LOCAL_Size(wnd
->hInstance
, newBuf
) - 1, es
->buffer_limit
);
2049 if (!(newText
= LOCAL_Lock(wnd
->hInstance
, newBuf
))) {
2050 ERR("could not lock new 16 bit buffer\n");
2051 LOCAL_Free(wnd
->hInstance
, newBuf
);
2054 lstrcpyA(newText
, es
->text
);
2055 EDIT_UnlockBuffer(wnd
, es
, TRUE
);
2057 HeapFree(es
->heap
, 0, es
->text
);
2058 else if (es
->hloc32
) {
2059 while (LocalFree(es
->hloc32
)) ;
2060 LocalFree(es
->hloc32
);
2062 es
->hloc32
= (HLOCAL
)NULL
;
2063 es
->hloc16
= newBuf
;
2064 es
->buffer_size
= newSize
;
2066 EDIT_LockBuffer(wnd
, es
);
2067 TRACE("switched to 16 bit buffer\n");
2073 /*********************************************************************
2078 static INT
EDIT_EM_GetLine(WND
*wnd
, EDITSTATE
*es
, INT line
, LPSTR lpch
)
2084 if (es
->style
& ES_MULTILINE
) {
2085 if (line
>= es
->line_count
)
2089 i
= EDIT_EM_LineIndex(wnd
, es
, line
);
2091 len
= MIN(*(WORD
*)lpch
, EDIT_EM_LineLength(wnd
, es
, i
));
2092 for (i
= 0 ; i
< len
; i
++) {
2097 return (LRESULT
)len
;
2101 /*********************************************************************
2106 static LRESULT
EDIT_EM_GetSel(WND
*wnd
, EDITSTATE
*es
, LPUINT start
, LPUINT end
)
2108 UINT s
= es
->selection_start
;
2109 UINT e
= es
->selection_end
;
2116 return MAKELONG(s
, e
);
2120 /*********************************************************************
2124 * FIXME: is this right ? (or should it be only VSCROLL)
2125 * (and maybe only for edit controls that really have their
2126 * own scrollbars) (and maybe only for multiline controls ?)
2127 * All in all: very poorly documented
2129 * FIXME: now it's also broken, because of the new WM_HSCROLL /
2130 * WM_VSCROLL handlers
2133 static LRESULT
EDIT_EM_GetThumb(WND
*wnd
, EDITSTATE
*es
)
2135 return MAKELONG(EDIT_WM_VScroll(wnd
, es
, EM_GETTHUMB16
, 0, 0),
2136 EDIT_WM_HScroll(wnd
, es
, EM_GETTHUMB16
, 0, 0));
2140 /*********************************************************************
2145 static INT
EDIT_EM_LineFromChar(WND
*wnd
, EDITSTATE
*es
, INT index
)
2150 if (!(es
->style
& ES_MULTILINE
))
2152 if (index
> lstrlenA(es
->text
))
2153 return es
->line_count
- 1;
2155 index
= MIN(es
->selection_start
, es
->selection_end
);
2158 line_def
= es
->first_line_def
;
2159 index
-= line_def
->length
;
2160 while ((index
>= 0) && line_def
->next
) {
2162 line_def
= line_def
->next
;
2163 index
-= line_def
->length
;
2169 /*********************************************************************
2174 static INT
EDIT_EM_LineIndex(WND
*wnd
, EDITSTATE
*es
, INT line
)
2179 if (!(es
->style
& ES_MULTILINE
))
2181 if (line
>= es
->line_count
)
2185 line_def
= es
->first_line_def
;
2187 INT index
= es
->selection_end
- line_def
->length
;
2188 while ((index
>= 0) && line_def
->next
) {
2189 line_index
+= line_def
->length
;
2190 line_def
= line_def
->next
;
2191 index
-= line_def
->length
;
2195 line_index
+= line_def
->length
;
2196 line_def
= line_def
->next
;
2204 /*********************************************************************
2209 static INT
EDIT_EM_LineLength(WND
*wnd
, EDITSTATE
*es
, INT index
)
2213 if (!(es
->style
& ES_MULTILINE
))
2214 return lstrlenA(es
->text
);
2218 INT32 sl = EDIT_EM_LineFromChar(wnd, es, es->selection_start);
2219 INT32 el = EDIT_EM_LineFromChar(wnd, es, es->selection_end);
2220 return es->selection_start - es->line_defs[sl].offset +
2221 es->line_defs[el].offset +
2222 es->line_defs[el].length - es->selection_end;
2226 line_def
= es
->first_line_def
;
2227 index
-= line_def
->length
;
2228 while ((index
>= 0) && line_def
->next
) {
2229 line_def
= line_def
->next
;
2230 index
-= line_def
->length
;
2232 return line_def
->net_length
;
2236 /*********************************************************************
2240 * FIXME: dx is in average character widths
2241 * However, we assume it is in pixels when we use this
2242 * function internally
2245 static BOOL
EDIT_EM_LineScroll(WND
*wnd
, EDITSTATE
*es
, INT dx
, INT dy
)
2249 if (!(es
->style
& ES_MULTILINE
))
2252 if (-dx
> es
->x_offset
)
2254 if (dx
> es
->text_width
- es
->x_offset
)
2255 dx
= es
->text_width
- es
->x_offset
;
2256 nyoff
= MAX(0, es
->y_offset
+ dy
);
2257 if (nyoff
>= es
->line_count
)
2258 nyoff
= es
->line_count
- 1;
2259 dy
= (es
->y_offset
- nyoff
) * es
->line_height
;
2263 GetClientRect(wnd
->hwndSelf
, &rc1
);
2264 IntersectRect(&rc
, &rc1
, &es
->format_rect
);
2265 ScrollWindowEx(wnd
->hwndSelf
, -dx
, dy
,
2266 NULL
, &rc
, (HRGN
)NULL
, NULL
, SW_INVALIDATE
);
2267 es
->y_offset
= nyoff
;
2270 if (dx
&& !(es
->flags
& EF_HSCROLL_TRACK
))
2271 EDIT_NOTIFY_PARENT(wnd
, EN_HSCROLL
, "EN_HSCROLL");
2272 if (dy
&& !(es
->flags
& EF_VSCROLL_TRACK
))
2273 EDIT_NOTIFY_PARENT(wnd
, EN_VSCROLL
, "EN_VSCROLL");
2278 /*********************************************************************
2283 static LRESULT
EDIT_EM_PosFromChar(WND
*wnd
, EDITSTATE
*es
, INT index
, BOOL after_wrap
)
2285 INT len
= lstrlenA(es
->text
);
2294 index
= MIN(index
, len
);
2295 dc
= GetDC(wnd
->hwndSelf
);
2297 old_font
= SelectObject(dc
, es
->font
);
2298 if (es
->style
& ES_MULTILINE
) {
2299 l
= EDIT_EM_LineFromChar(wnd
, es
, index
);
2300 y
= (l
- es
->y_offset
) * es
->line_height
;
2301 li
= EDIT_EM_LineIndex(wnd
, es
, l
);
2302 if (after_wrap
&& (li
== index
) && l
) {
2304 LINEDEF
*line_def
= es
->first_line_def
;
2306 line_def
= line_def
->next
;
2309 if (line_def
->ending
== END_WRAP
) {
2311 y
-= es
->line_height
;
2312 li
= EDIT_EM_LineIndex(wnd
, es
, l
);
2315 x
= LOWORD(GetTabbedTextExtentA(dc
, es
->text
+ li
, index
- li
,
2316 es
->tabs_count
, es
->tabs
)) - es
->x_offset
;
2318 LPSTR text
= EDIT_GetPasswordPointer_SL(wnd
, es
);
2319 if (index
< es
->x_offset
) {
2320 GetTextExtentPoint32A(dc
, text
+ index
,
2321 es
->x_offset
- index
, &size
);
2324 GetTextExtentPoint32A(dc
, text
+ es
->x_offset
,
2325 index
- es
->x_offset
, &size
);
2329 if (es
->style
& ES_PASSWORD
)
2330 HeapFree(es
->heap
, 0 ,text
);
2332 x
+= es
->format_rect
.left
;
2333 y
+= es
->format_rect
.top
;
2335 SelectObject(dc
, old_font
);
2336 ReleaseDC(wnd
->hwndSelf
, dc
);
2337 return MAKELONG((INT16
)x
, (INT16
)y
);
2341 /*********************************************************************
2345 * FIXME: handle ES_NUMBER and ES_OEMCONVERT here
2348 static void EDIT_EM_ReplaceSel(WND
*wnd
, EDITSTATE
*es
, BOOL can_undo
, LPCSTR lpsz_replace
)
2350 INT strl
= lstrlenA(lpsz_replace
);
2351 INT tl
= lstrlenA(es
->text
);
2358 s
= es
->selection_start
;
2359 e
= es
->selection_end
;
2361 if ((s
== e
) && !strl
)
2366 if (!EDIT_MakeFit(wnd
, es
, tl
- (e
- s
) + strl
))
2370 /* there is something to be deleted */
2372 utl
= lstrlenA(es
->undo_text
);
2373 if (!es
->undo_insert_count
&& (*es
->undo_text
&& (s
== es
->undo_position
))) {
2374 /* undo-buffer is extended to the right */
2375 EDIT_MakeUndoFit(wnd
, es
, utl
+ e
- s
);
2376 lstrcpynA(es
->undo_text
+ utl
, es
->text
+ s
, e
- s
+ 1);
2377 } else if (!es
->undo_insert_count
&& (*es
->undo_text
&& (e
== es
->undo_position
))) {
2378 /* undo-buffer is extended to the left */
2379 EDIT_MakeUndoFit(wnd
, es
, utl
+ e
- s
);
2380 for (p
= es
->undo_text
+ utl
; p
>= es
->undo_text
; p
--)
2382 for (i
= 0 , p
= es
->undo_text
; i
< e
- s
; i
++)
2383 p
[i
] = (es
->text
+ s
)[i
];
2384 es
->undo_position
= s
;
2386 /* new undo-buffer */
2387 EDIT_MakeUndoFit(wnd
, es
, e
- s
);
2388 lstrcpynA(es
->undo_text
, es
->text
+ s
, e
- s
+ 1);
2389 es
->undo_position
= s
;
2391 /* any deletion makes the old insertion-undo invalid */
2392 es
->undo_insert_count
= 0;
2394 EDIT_EM_EmptyUndoBuffer(wnd
, es
);
2397 lstrcpyA(es
->text
+ s
, es
->text
+ e
);
2400 /* there is an insertion */
2402 if ((s
== es
->undo_position
) ||
2403 ((es
->undo_insert_count
) &&
2404 (s
== es
->undo_position
+ es
->undo_insert_count
)))
2406 * insertion is new and at delete position or
2407 * an extension to either left or right
2409 es
->undo_insert_count
+= strl
;
2411 /* new insertion undo */
2412 es
->undo_position
= s
;
2413 es
->undo_insert_count
= strl
;
2414 /* new insertion makes old delete-buffer invalid */
2415 *es
->undo_text
= '\0';
2418 EDIT_EM_EmptyUndoBuffer(wnd
, es
);
2421 tl
= lstrlenA(es
->text
);
2422 for (p
= es
->text
+ tl
; p
>= es
->text
+ s
; p
--)
2424 for (i
= 0 , p
= es
->text
+ s
; i
< strl
; i
++)
2425 p
[i
] = lpsz_replace
[i
];
2426 if(es
->style
& ES_UPPERCASE
)
2427 CharUpperBuffA(p
, strl
);
2428 else if(es
->style
& ES_LOWERCASE
)
2429 CharLowerBuffA(p
, strl
);
2432 /* FIXME: really inefficient */
2433 if (es
->style
& ES_MULTILINE
)
2434 EDIT_BuildLineDefs_ML(wnd
, es
);
2436 EDIT_EM_SetSel(wnd
, es
, s
, s
, FALSE
);
2437 es
->flags
|= EF_MODIFIED
;
2438 es
->flags
|= EF_UPDATE
;
2439 EDIT_EM_ScrollCaret(wnd
, es
);
2441 EDIT_NOTIFY_PARENT(wnd
, EN_UPDATE
, "EN_UPDATE");
2443 /* FIXME: really inefficient */
2444 InvalidateRect(wnd
->hwndSelf
, NULL
, TRUE
);
2448 /*********************************************************************
2453 static LRESULT
EDIT_EM_Scroll(WND
*wnd
, EDITSTATE
*es
, INT action
)
2457 if (!(es
->style
& ES_MULTILINE
))
2458 return (LRESULT
)FALSE
;
2468 if (es
->y_offset
< es
->line_count
- 1)
2473 dy
= -(es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
2476 if (es
->y_offset
< es
->line_count
- 1)
2477 dy
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
2480 return (LRESULT
)FALSE
;
2483 EDIT_EM_LineScroll(wnd
, es
, 0, dy
);
2484 EDIT_NOTIFY_PARENT(wnd
, EN_VSCROLL
, "EN_VSCROLL");
2486 return MAKELONG((INT16
)dy
, (BOOL16
)TRUE
);
2490 /*********************************************************************
2495 static void EDIT_EM_ScrollCaret(WND
*wnd
, EDITSTATE
*es
)
2497 if (es
->style
& ES_MULTILINE
) {
2502 INT cw
= es
->char_width
;
2507 l
= EDIT_EM_LineFromChar(wnd
, es
, es
->selection_end
);
2508 li
= EDIT_EM_LineIndex(wnd
, es
, l
);
2509 x
= SLOWORD(EDIT_EM_PosFromChar(wnd
, es
, es
->selection_end
, es
->flags
& EF_AFTER_WRAP
));
2510 vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
2511 if (l
>= es
->y_offset
+ vlc
)
2512 dy
= l
- vlc
+ 1 - es
->y_offset
;
2513 if (l
< es
->y_offset
)
2514 dy
= l
- es
->y_offset
;
2515 ww
= es
->format_rect
.right
- es
->format_rect
.left
;
2516 if (x
< es
->format_rect
.left
)
2517 dx
= x
- es
->format_rect
.left
- ww
/ HSCROLL_FRACTION
/ cw
* cw
;
2518 if (x
> es
->format_rect
.right
)
2519 dx
= x
- es
->format_rect
.left
- (HSCROLL_FRACTION
- 1) * ww
/ HSCROLL_FRACTION
/ cw
* cw
;
2521 EDIT_EM_LineScroll(wnd
, es
, dx
, dy
);
2527 if (!(es
->style
& ES_AUTOHSCROLL
))
2530 x
= SLOWORD(EDIT_EM_PosFromChar(wnd
, es
, es
->selection_end
, FALSE
));
2531 format_width
= es
->format_rect
.right
- es
->format_rect
.left
;
2532 if (x
< es
->format_rect
.left
) {
2533 goal
= es
->format_rect
.left
+ format_width
/ HSCROLL_FRACTION
;
2536 x
= SLOWORD(EDIT_EM_PosFromChar(wnd
, es
, es
->selection_end
, FALSE
));
2537 } while ((x
< goal
) && es
->x_offset
);
2538 /* FIXME: use ScrollWindow() somehow to improve performance */
2539 InvalidateRect(wnd
->hwndSelf
, NULL
, TRUE
);
2540 } else if (x
> es
->format_rect
.right
) {
2542 INT len
= lstrlenA(es
->text
);
2543 goal
= es
->format_rect
.right
- format_width
/ HSCROLL_FRACTION
;
2546 x
= SLOWORD(EDIT_EM_PosFromChar(wnd
, es
, es
->selection_end
, FALSE
));
2547 x_last
= SLOWORD(EDIT_EM_PosFromChar(wnd
, es
, len
, FALSE
));
2548 } while ((x
> goal
) && (x_last
> es
->format_rect
.right
));
2549 /* FIXME: use ScrollWindow() somehow to improve performance */
2550 InvalidateRect(wnd
->hwndSelf
, NULL
, TRUE
);
2556 /*********************************************************************
2560 * FIXME: ES_LOWERCASE, ES_UPPERCASE, ES_OEMCONVERT, ES_NUMBER ???
2563 static void EDIT_EM_SetHandle(WND
*wnd
, EDITSTATE
*es
, HLOCAL hloc
)
2565 if (!(es
->style
& ES_MULTILINE
))
2569 WARN("called with NULL handle\n");
2573 EDIT_UnlockBuffer(wnd
, es
, TRUE
);
2575 * old buffer is freed by caller, unless
2576 * it is still in our own heap. (in that case
2577 * we free it, correcting the buggy caller.)
2580 HeapFree(es
->heap
, 0, es
->text
);
2582 es
->hloc16
= (HLOCAL16
)NULL
;
2585 es
->buffer_size
= LocalSize(es
->hloc32
) - 1;
2586 EDIT_LockBuffer(wnd
, es
);
2588 es
->x_offset
= es
->y_offset
= 0;
2589 es
->selection_start
= es
->selection_end
= 0;
2590 EDIT_EM_EmptyUndoBuffer(wnd
, es
);
2591 es
->flags
&= ~EF_MODIFIED
;
2592 es
->flags
&= ~EF_UPDATE
;
2593 EDIT_BuildLineDefs_ML(wnd
, es
);
2594 InvalidateRect(wnd
->hwndSelf
, NULL
, TRUE
);
2595 EDIT_EM_ScrollCaret(wnd
, es
);
2599 /*********************************************************************
2603 * FIXME: ES_LOWERCASE, ES_UPPERCASE, ES_OEMCONVERT, ES_NUMBER ???
2606 static void EDIT_EM_SetHandle16(WND
*wnd
, EDITSTATE
*es
, HLOCAL16 hloc
)
2608 if (!(es
->style
& ES_MULTILINE
))
2612 WARN("called with NULL handle\n");
2616 EDIT_UnlockBuffer(wnd
, es
, TRUE
);
2618 * old buffer is freed by caller, unless
2619 * it is still in our own heap. (in that case
2620 * we free it, correcting the buggy caller.)
2623 HeapFree(es
->heap
, 0, es
->text
);
2626 es
->hloc32
= (HLOCAL
)NULL
;
2628 es
->buffer_size
= LOCAL_Size(wnd
->hInstance
, es
->hloc16
) - 1;
2629 EDIT_LockBuffer(wnd
, es
);
2631 es
->x_offset
= es
->y_offset
= 0;
2632 es
->selection_start
= es
->selection_end
= 0;
2633 EDIT_EM_EmptyUndoBuffer(wnd
, es
);
2634 es
->flags
&= ~EF_MODIFIED
;
2635 es
->flags
&= ~EF_UPDATE
;
2636 EDIT_BuildLineDefs_ML(wnd
, es
);
2637 InvalidateRect(wnd
->hwndSelf
, NULL
, TRUE
);
2638 EDIT_EM_ScrollCaret(wnd
, es
);
2642 /*********************************************************************
2646 * FIXME: in WinNT maxsize is 0x7FFFFFFF / 0xFFFFFFFF
2647 * However, the windows version is not complied to yet in all of edit.c
2650 static void EDIT_EM_SetLimitText(WND
*wnd
, EDITSTATE
*es
, INT limit
)
2652 if (es
->style
& ES_MULTILINE
) {
2654 es
->buffer_limit
= MIN(limit
, BUFLIMIT_MULTI
);
2656 es
->buffer_limit
= BUFLIMIT_MULTI
;
2659 es
->buffer_limit
= MIN(limit
, BUFLIMIT_SINGLE
);
2661 es
->buffer_limit
= BUFLIMIT_SINGLE
;
2666 /*********************************************************************
2670 * EC_USEFONTINFO is used as a left or right value i.e. lParam and not as an
2671 * action wParam despite what the docs say. EC_USEFONTINFO means one third
2672 * of the char's width, according to the new docs.
2675 static void EDIT_EM_SetMargins(WND
*wnd
, EDITSTATE
*es
, INT action
,
2676 INT left
, INT right
)
2678 if (action
& EC_LEFTMARGIN
) {
2679 if (left
!= EC_USEFONTINFO
)
2680 es
->left_margin
= left
;
2682 es
->left_margin
= es
->char_width
/ 3;
2685 if (action
& EC_RIGHTMARGIN
) {
2686 if (right
!= EC_USEFONTINFO
)
2687 es
->right_margin
= right
;
2689 es
->right_margin
= es
->char_width
/ 3;
2691 TRACE("left=%d, right=%d\n", es
->left_margin
, es
->right_margin
);
2695 /*********************************************************************
2697 * EM_SETPASSWORDCHAR
2700 static void EDIT_EM_SetPasswordChar(WND
*wnd
, EDITSTATE
*es
, CHAR c
)
2702 if (es
->style
& ES_MULTILINE
)
2705 if (es
->password_char
== c
)
2708 es
->password_char
= c
;
2710 wnd
->dwStyle
|= ES_PASSWORD
;
2711 es
->style
|= ES_PASSWORD
;
2713 wnd
->dwStyle
&= ~ES_PASSWORD
;
2714 es
->style
&= ~ES_PASSWORD
;
2716 InvalidateRect(wnd
->hwndSelf
, NULL
, TRUE
);
2720 /*********************************************************************
2724 * note: unlike the specs say: the order of start and end
2725 * _is_ preserved in Windows. (i.e. start can be > end)
2726 * In other words: this handler is OK
2729 static void EDIT_EM_SetSel(WND
*wnd
, EDITSTATE
*es
, UINT start
, UINT end
, BOOL after_wrap
)
2731 UINT old_start
= es
->selection_start
;
2732 UINT old_end
= es
->selection_end
;
2733 UINT len
= lstrlenA(es
->text
);
2736 start
= es
->selection_end
;
2737 end
= es
->selection_end
;
2739 start
= MIN(start
, len
);
2740 end
= MIN(end
, len
);
2742 es
->selection_start
= start
;
2743 es
->selection_end
= end
;
2745 es
->flags
|= EF_AFTER_WRAP
;
2747 es
->flags
&= ~EF_AFTER_WRAP
;
2748 if (es
->flags
& EF_FOCUSED
)
2749 EDIT_SetCaretPos(wnd
, es
, end
, after_wrap
);
2750 /* This is little bit more efficient than before, not sure if it can be improved. FIXME? */
2751 ORDER_UINT(start
, end
);
2752 ORDER_UINT(end
, old_end
);
2753 ORDER_UINT(start
, old_start
);
2754 ORDER_UINT(old_start
, old_end
);
2755 if (end
!= old_start
)
2759 * ORDER_UINT32(end, old_start);
2760 * EDIT_InvalidateText(wnd, es, start, end);
2761 * EDIT_InvalidateText(wnd, es, old_start, old_end);
2762 * in place of the following if statement.
2764 if (old_start
> end
)
2766 EDIT_InvalidateText(wnd
, es
, start
, end
);
2767 EDIT_InvalidateText(wnd
, es
, old_start
, old_end
);
2771 EDIT_InvalidateText(wnd
, es
, start
, old_start
);
2772 EDIT_InvalidateText(wnd
, es
, end
, old_end
);
2775 else EDIT_InvalidateText(wnd
, es
, start
, old_end
);
2779 /*********************************************************************
2784 static BOOL
EDIT_EM_SetTabStops(WND
*wnd
, EDITSTATE
*es
, INT count
, LPINT tabs
)
2786 if (!(es
->style
& ES_MULTILINE
))
2789 HeapFree(es
->heap
, 0, es
->tabs
);
2790 es
->tabs_count
= count
;
2794 es
->tabs
= HeapAlloc(es
->heap
, 0, count
* sizeof(INT
));
2795 memcpy(es
->tabs
, tabs
, count
* sizeof(INT
));
2801 /*********************************************************************
2806 static BOOL
EDIT_EM_SetTabStops16(WND
*wnd
, EDITSTATE
*es
, INT count
, LPINT16 tabs
)
2808 if (!(es
->style
& ES_MULTILINE
))
2811 HeapFree(es
->heap
, 0, es
->tabs
);
2812 es
->tabs_count
= count
;
2817 es
->tabs
= HeapAlloc(es
->heap
, 0, count
* sizeof(INT
));
2818 for (i
= 0 ; i
< count
; i
++)
2819 es
->tabs
[i
] = *tabs
++;
2825 /*********************************************************************
2827 * EM_SETWORDBREAKPROC
2830 static void EDIT_EM_SetWordBreakProc(WND
*wnd
, EDITSTATE
*es
, EDITWORDBREAKPROCA wbp
)
2832 if (es
->word_break_proc32A
== wbp
)
2835 es
->word_break_proc32A
= wbp
;
2836 es
->word_break_proc16
= NULL
;
2837 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_AUTOHSCROLL
)) {
2838 EDIT_BuildLineDefs_ML(wnd
, es
);
2839 InvalidateRect(wnd
->hwndSelf
, NULL
, TRUE
);
2844 /*********************************************************************
2846 * EM_SETWORDBREAKPROC16
2849 static void EDIT_EM_SetWordBreakProc16(WND
*wnd
, EDITSTATE
*es
, EDITWORDBREAKPROC16 wbp
)
2851 if (es
->word_break_proc16
== wbp
)
2854 es
->word_break_proc32A
= NULL
;
2855 es
->word_break_proc16
= wbp
;
2856 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_AUTOHSCROLL
)) {
2857 EDIT_BuildLineDefs_ML(wnd
, es
);
2858 InvalidateRect(wnd
->hwndSelf
, NULL
, TRUE
);
2863 /*********************************************************************
2868 static BOOL
EDIT_EM_Undo(WND
*wnd
, EDITSTATE
*es
)
2870 INT ulength
= lstrlenA(es
->undo_text
);
2871 LPSTR utext
= HeapAlloc(es
->heap
, 0, ulength
+ 1);
2873 lstrcpyA(utext
, es
->undo_text
);
2875 TRACE("before UNDO:insertion length = %d, deletion buffer = %s\n",
2876 es
->undo_insert_count
, utext
);
2878 EDIT_EM_SetSel(wnd
, es
, es
->undo_position
, es
->undo_position
+ es
->undo_insert_count
, FALSE
);
2879 EDIT_EM_EmptyUndoBuffer(wnd
, es
);
2880 EDIT_EM_ReplaceSel(wnd
, es
, TRUE
, utext
);
2881 EDIT_EM_SetSel(wnd
, es
, es
->undo_position
, es
->undo_position
+ es
->undo_insert_count
, FALSE
);
2882 HeapFree(es
->heap
, 0, utext
);
2884 TRACE("after UNDO:insertion length = %d, deletion buffer = %s\n",
2885 es
->undo_insert_count
, es
->undo_text
);
2891 /*********************************************************************
2896 static void EDIT_WM_Char(WND
*wnd
, EDITSTATE
*es
, CHAR c
, DWORD key_data
)
2898 BOOL control
= GetKeyState(VK_CONTROL
) & 0x8000;
2901 /* If the edit doesn't want the return and it's not a multiline edit, do nothing */
2902 if(!(es
->style
& ES_MULTILINE
) && !(es
->style
& ES_WANTRETURN
))
2905 if (es
->style
& ES_MULTILINE
) {
2906 if (es
->style
& ES_READONLY
) {
2907 EDIT_MoveHome(wnd
, es
, FALSE
);
2908 EDIT_MoveDown_ML(wnd
, es
, FALSE
);
2910 EDIT_EM_ReplaceSel(wnd
, es
, TRUE
, "\r\n");
2914 if ((es
->style
& ES_MULTILINE
) && !(es
->style
& ES_READONLY
))
2915 EDIT_EM_ReplaceSel(wnd
, es
, TRUE
, "\t");
2918 if (!(es
->style
& ES_READONLY
) && !control
) {
2919 if (es
->selection_start
!= es
->selection_end
)
2920 EDIT_WM_Clear(wnd
, es
);
2922 /* delete character left of caret */
2923 EDIT_EM_SetSel(wnd
, es
, -1, 0, FALSE
);
2924 EDIT_MoveBackward(wnd
, es
, TRUE
);
2925 EDIT_WM_Clear(wnd
, es
);
2930 if (!(es
->style
& ES_READONLY
) && ((BYTE
)c
>= ' ') && (c
!= 127)) {
2934 EDIT_EM_ReplaceSel(wnd
, es
, TRUE
, str
);
2941 /*********************************************************************
2946 static void EDIT_WM_Command(WND
*wnd
, EDITSTATE
*es
, INT code
, INT id
, HWND control
)
2948 if (code
|| control
)
2953 EDIT_EM_Undo(wnd
, es
);
2956 EDIT_WM_Cut(wnd
, es
);
2959 EDIT_WM_Copy(wnd
, es
);
2962 EDIT_WM_Paste(wnd
, es
);
2965 EDIT_WM_Clear(wnd
, es
);
2968 EDIT_EM_SetSel(wnd
, es
, 0, -1, FALSE
);
2969 EDIT_EM_ScrollCaret(wnd
, es
);
2972 ERR("unknown menu item, please report\n");
2978 /*********************************************************************
2982 * Note: the resource files resource/sysres_??.rc cannot define a
2983 * single popup menu. Hence we use a (dummy) menubar
2984 * containing the single popup menu as its first item.
2986 * FIXME: the message identifiers have been chosen arbitrarily,
2987 * hence we use MF_BYPOSITION.
2988 * We might as well use the "real" values (anybody knows ?)
2989 * The menu definition is in resources/sysres_??.rc.
2990 * Once these are OK, we better use MF_BYCOMMAND here
2991 * (as we do in EDIT_WM_Command()).
2994 static void EDIT_WM_ContextMenu(WND
*wnd
, EDITSTATE
*es
, HWND hwnd
, INT x
, INT y
)
2996 HMENU menu
= LoadMenuA(GetModuleHandleA("USER32"), "EDITMENU");
2997 HMENU popup
= GetSubMenu(menu
, 0);
2998 UINT start
= es
->selection_start
;
2999 UINT end
= es
->selection_end
;
3001 ORDER_UINT(start
, end
);
3004 EnableMenuItem(popup
, 0, MF_BYPOSITION
| (EDIT_EM_CanUndo(wnd
, es
) ? MF_ENABLED
: MF_GRAYED
));
3006 EnableMenuItem(popup
, 2, MF_BYPOSITION
| ((end
- start
) && !(es
->style
& ES_PASSWORD
) ? MF_ENABLED
: MF_GRAYED
));
3008 EnableMenuItem(popup
, 3, MF_BYPOSITION
| ((end
- start
) && !(es
->style
& ES_PASSWORD
) ? MF_ENABLED
: MF_GRAYED
));
3010 EnableMenuItem(popup
, 4, MF_BYPOSITION
| (IsClipboardFormatAvailable(CF_TEXT
) ? MF_ENABLED
: MF_GRAYED
));
3012 EnableMenuItem(popup
, 5, MF_BYPOSITION
| ((end
- start
) ? MF_ENABLED
: MF_GRAYED
));
3014 EnableMenuItem(popup
, 7, MF_BYPOSITION
| (start
|| (end
!= lstrlenA(es
->text
)) ? MF_ENABLED
: MF_GRAYED
));
3016 TrackPopupMenu(popup
, TPM_LEFTALIGN
| TPM_RIGHTBUTTON
, x
, y
, 0, wnd
->hwndSelf
, NULL
);
3021 /*********************************************************************
3026 static void EDIT_WM_Copy(WND
*wnd
, EDITSTATE
*es
)
3028 INT s
= es
->selection_start
;
3029 INT e
= es
->selection_end
;
3036 hdst
= GlobalAlloc(GMEM_MOVEABLE
, (DWORD
)(e
- s
+ 1));
3037 dst
= GlobalLock(hdst
);
3038 lstrcpynA(dst
, es
->text
+ s
, e
- s
+ 1);
3040 OpenClipboard(wnd
->hwndSelf
);
3042 SetClipboardData(CF_TEXT
, hdst
);
3047 /*********************************************************************
3052 static LRESULT
EDIT_WM_Create(WND
*wnd
, EDITSTATE
*es
, LPCREATESTRUCTA cs
)
3055 * To initialize some final structure members, we call some helper
3056 * functions. However, since the EDITSTATE is not consistent (i.e.
3057 * not fully initialized), we should be very careful which
3058 * functions can be called, and in what order.
3060 EDIT_WM_SetFont(wnd
, es
, 0, FALSE
);
3061 EDIT_EM_EmptyUndoBuffer(wnd
, es
);
3063 if (cs
->lpszName
&& *(cs
->lpszName
) != '\0') {
3064 EDIT_EM_ReplaceSel(wnd
, es
, FALSE
, cs
->lpszName
);
3065 /* if we insert text to the editline, the text scrolls out
3066 * of the window, as the caret is placed after the insert
3067 * pos normally; thus we reset es->selection... to 0 and
3070 es
->selection_start
= es
->selection_end
= 0;
3071 EDIT_EM_ScrollCaret(wnd
, es
);
3077 /*********************************************************************
3082 static void EDIT_WM_Destroy(WND
*wnd
, EDITSTATE
*es
)
3085 while (LocalUnlock(es
->hloc32
)) ;
3086 LocalFree(es
->hloc32
);
3089 while (LOCAL_Unlock(wnd
->hInstance
, es
->hloc16
)) ;
3090 LOCAL_Free(wnd
->hInstance
, es
->hloc16
);
3092 HeapDestroy(es
->heap
);
3093 HeapFree(GetProcessHeap(), 0, es
);
3094 *(EDITSTATE
**)wnd
->wExtra
= NULL
;
3098 /*********************************************************************
3103 static LRESULT
EDIT_WM_EraseBkGnd(WND
*wnd
, EDITSTATE
*es
, HDC dc
)
3108 if ( VERSION_AppWinVer() >= 0x40000 &&(
3109 !es
->bEnableState
|| (es
->style
& ES_READONLY
)))
3110 brush
= (HBRUSH
)EDIT_SEND_CTLCOLORSTATIC(wnd
, dc
);
3112 brush
= (HBRUSH
)EDIT_SEND_CTLCOLOR(wnd
, dc
);
3115 brush
= (HBRUSH
)GetStockObject(WHITE_BRUSH
);
3117 GetClientRect(wnd
->hwndSelf
, &rc
);
3118 IntersectClipRect(dc
, rc
.left
, rc
.top
, rc
.right
, rc
.bottom
);
3119 GetClipBox(dc
, &rc
);
3121 * FIXME: specs say that we should UnrealizeObject() the brush,
3122 * but the specs of UnrealizeObject() say that we shouldn't
3123 * unrealize a stock object. The default brush that
3124 * DefWndProc() returns is ... a stock object.
3126 FillRect(dc
, &rc
, brush
);
3131 /*********************************************************************
3136 static INT
EDIT_WM_GetText(WND
*wnd
, EDITSTATE
*es
, INT count
, LPSTR text
)
3138 INT len
= lstrlenA(es
->text
);
3141 lstrcpyA(text
, es
->text
);
3148 /*********************************************************************
3152 * 16 bit notepad needs this. Actually it is not _our_ hack,
3153 * it is notepad's. Notepad is sending us scrollbar messages with
3154 * undocumented parameters without us even having a scrollbar ... !?!?
3157 static LRESULT
EDIT_HScroll_Hack(WND
*wnd
, EDITSTATE
*es
, INT action
, INT pos
, HWND scroll_bar
)
3160 INT fw
= es
->format_rect
.right
- es
->format_rect
.left
;
3163 if (!(es
->flags
& EF_HSCROLL_HACK
)) {
3164 ERR("hacked WM_HSCROLL handler invoked\n");
3165 ERR(" if you are _not_ running 16 bit notepad, please report\n");
3166 ERR(" (this message is only displayed once per edit control)\n");
3167 es
->flags
|= EF_HSCROLL_HACK
;
3173 dx
= -es
->char_width
;
3176 if (es
->x_offset
< es
->text_width
)
3177 dx
= es
->char_width
;
3181 dx
= -fw
/ HSCROLL_FRACTION
/ es
->char_width
* es
->char_width
;
3184 if (es
->x_offset
< es
->text_width
)
3185 dx
= fw
/ HSCROLL_FRACTION
/ es
->char_width
* es
->char_width
;
3192 if (es
->x_offset
< es
->text_width
)
3193 dx
= es
->text_width
- es
->x_offset
;
3196 es
->flags
|= EF_HSCROLL_TRACK
;
3197 dx
= pos
* es
->text_width
/ 100 - es
->x_offset
;
3199 case SB_THUMBPOSITION
:
3200 es
->flags
&= ~EF_HSCROLL_TRACK
;
3201 if (!(dx
= pos
* es
->text_width
/ 100 - es
->x_offset
))
3202 EDIT_NOTIFY_PARENT(wnd
, EN_HSCROLL
, "EN_HSCROLL");
3208 * FIXME : the next two are undocumented !
3209 * Are we doing the right thing ?
3210 * At least Win 3.1 Notepad makes use of EM_GETTHUMB this way,
3211 * although it's also a regular control message.
3214 ret
= es
->text_width
? es
->x_offset
* 100 / es
->text_width
: 0;
3216 case EM_LINESCROLL16
:
3221 ERR("undocumented (hacked) WM_HSCROLL parameter, please report\n");
3225 EDIT_EM_LineScroll(wnd
, es
, dx
, 0);
3230 /*********************************************************************
3235 static LRESULT
EDIT_WM_HScroll(WND
*wnd
, EDITSTATE
*es
, INT action
, INT pos
, HWND scroll_bar
)
3240 if (!(es
->style
& ES_MULTILINE
))
3243 if (!(es
->style
& ES_AUTOHSCROLL
))
3246 if (!(es
->style
& WS_HSCROLL
))
3247 return EDIT_HScroll_Hack(wnd
, es
, action
, pos
, scroll_bar
);
3250 fw
= es
->format_rect
.right
- es
->format_rect
.left
;
3254 dx
= -es
->char_width
;
3257 if (es
->x_offset
< es
->text_width
)
3258 dx
= es
->char_width
;
3262 dx
= -fw
/ HSCROLL_FRACTION
/ es
->char_width
* es
->char_width
;
3265 if (es
->x_offset
< es
->text_width
)
3266 dx
= fw
/ HSCROLL_FRACTION
/ es
->char_width
* es
->char_width
;
3273 if (es
->x_offset
< es
->text_width
)
3274 dx
= es
->text_width
- es
->x_offset
;
3277 es
->flags
|= EF_HSCROLL_TRACK
;
3278 dx
= pos
- es
->x_offset
;
3280 case SB_THUMBPOSITION
:
3281 es
->flags
&= ~EF_HSCROLL_TRACK
;
3282 if (!(dx
= pos
- es
->x_offset
)) {
3283 SetScrollPos(wnd
->hwndSelf
, SB_HORZ
, pos
, TRUE
);
3284 EDIT_NOTIFY_PARENT(wnd
, EN_HSCROLL
, "EN_HSCROLL");
3291 ERR("undocumented WM_HSCROLL parameter, please report\n");
3295 EDIT_EM_LineScroll(wnd
, es
, dx
, 0);
3300 /*********************************************************************
3305 static BOOL
EDIT_CheckCombo(WND
*wnd
, UINT msg
, INT key
, DWORD key_data
)
3309 if (WIDGETS_IsControl(wnd
->parent
, BIC32_COMBO
) &&
3310 (hLBox
= COMBO_GetLBWindow(wnd
->parent
))) {
3311 HWND hCombo
= wnd
->parent
->hwndSelf
;
3312 BOOL bUIFlip
= TRUE
;
3314 TRACE_(combo
)("[%04x]: handling msg %04x (%04x)\n",
3315 wnd
->hwndSelf
, (UINT16
)msg
, (UINT16
)key
);
3318 case WM_KEYDOWN
: /* Handle F4 and arrow keys */
3320 bUIFlip
= (BOOL
)SendMessageA(hCombo
, CB_GETEXTENDEDUI
, 0, 0);
3321 if (SendMessageA(hCombo
, CB_GETDROPPEDSTATE
, 0, 0))
3325 SendMessageA(hLBox
, WM_KEYDOWN
, (WPARAM
)key
, 0);
3327 /* make sure ComboLBox pops up */
3328 SendMessageA(hCombo
, CB_SETEXTENDEDUI
, 0, 0);
3329 SendMessageA(hLBox
, WM_KEYDOWN
, VK_F4
, 0);
3330 SendMessageA(hCombo
, CB_SETEXTENDEDUI
, 1, 0);
3333 case WM_SYSKEYDOWN
: /* Handle Alt+up/down arrows */
3334 bUIFlip
= (BOOL
)SendMessageA(hCombo
, CB_GETEXTENDEDUI
, 0, 0);
3336 bUIFlip
= (BOOL
)SendMessageA(hCombo
, CB_GETDROPPEDSTATE
, 0, 0);
3337 SendMessageA(hCombo
, CB_SHOWDROPDOWN
, (bUIFlip
) ? FALSE
: TRUE
, 0);
3339 SendMessageA(hLBox
, WM_KEYDOWN
, VK_F4
, 0);
3348 /*********************************************************************
3352 * Handling of special keys that don't produce a WM_CHAR
3353 * (i.e. non-printable keys) & Backspace & Delete
3356 static LRESULT
EDIT_WM_KeyDown(WND
*wnd
, EDITSTATE
*es
, INT key
, DWORD key_data
)
3361 if (GetKeyState(VK_MENU
) & 0x8000)
3364 shift
= GetKeyState(VK_SHIFT
) & 0x8000;
3365 control
= GetKeyState(VK_CONTROL
) & 0x8000;
3370 if (EDIT_CheckCombo(wnd
, WM_KEYDOWN
, key
, key_data
))
3376 if ((es
->style
& ES_MULTILINE
) && (key
== VK_UP
))
3377 EDIT_MoveUp_ML(wnd
, es
, shift
);
3380 EDIT_MoveWordBackward(wnd
, es
, shift
);
3382 EDIT_MoveBackward(wnd
, es
, shift
);
3385 if (EDIT_CheckCombo(wnd
, WM_KEYDOWN
, key
, key_data
))
3389 if ((es
->style
& ES_MULTILINE
) && (key
== VK_DOWN
))
3390 EDIT_MoveDown_ML(wnd
, es
, shift
);
3392 EDIT_MoveWordForward(wnd
, es
, shift
);
3394 EDIT_MoveForward(wnd
, es
, shift
);
3397 EDIT_MoveHome(wnd
, es
, shift
);
3400 EDIT_MoveEnd(wnd
, es
, shift
);
3403 if (es
->style
& ES_MULTILINE
)
3404 EDIT_MovePageUp_ML(wnd
, es
, shift
);
3407 if (es
->style
& ES_MULTILINE
)
3408 EDIT_MovePageDown_ML(wnd
, es
, shift
);
3411 if (!(es
->style
& ES_READONLY
) && !(shift
&& control
)) {
3412 if (es
->selection_start
!= es
->selection_end
) {
3414 EDIT_WM_Cut(wnd
, es
);
3416 EDIT_WM_Clear(wnd
, es
);
3419 /* delete character left of caret */
3420 EDIT_EM_SetSel(wnd
, es
, -1, 0, FALSE
);
3421 EDIT_MoveBackward(wnd
, es
, TRUE
);
3422 EDIT_WM_Clear(wnd
, es
);
3423 } else if (control
) {
3424 /* delete to end of line */
3425 EDIT_EM_SetSel(wnd
, es
, -1, 0, FALSE
);
3426 EDIT_MoveEnd(wnd
, es
, TRUE
);
3427 EDIT_WM_Clear(wnd
, es
);
3429 /* delete character right of caret */
3430 EDIT_EM_SetSel(wnd
, es
, -1, 0, FALSE
);
3431 EDIT_MoveForward(wnd
, es
, TRUE
);
3432 EDIT_WM_Clear(wnd
, es
);
3439 if (!(es
->style
& ES_READONLY
))
3440 EDIT_WM_Paste(wnd
, es
);
3442 EDIT_WM_Copy(wnd
, es
);
3445 /* If the edit doesn't want the return send a message to the default object */
3446 if(!(es
->style
& ES_WANTRETURN
))
3448 HWND hwndParent
= GetParent(wnd
->hwndSelf
);
3449 DWORD dw
= SendMessage16( hwndParent
, DM_GETDEFID
, 0, 0 );
3450 if (HIWORD(dw
) == DC_HASDEFID
)
3452 SendMessageA( hwndParent
, WM_COMMAND
,
3453 MAKEWPARAM( LOWORD(dw
), BN_CLICKED
),
3454 (LPARAM
)GetDlgItem( hwndParent
, LOWORD(dw
) ) );
3463 /*********************************************************************
3468 static LRESULT
EDIT_WM_KillFocus(WND
*wnd
, EDITSTATE
*es
, HWND window_getting_focus
)
3470 es
->flags
&= ~EF_FOCUSED
;
3472 if(!(es
->style
& ES_NOHIDESEL
))
3473 EDIT_InvalidateText(wnd
, es
, es
->selection_start
, es
->selection_end
);
3474 EDIT_NOTIFY_PARENT(wnd
, EN_KILLFOCUS
, "EN_KILLFOCUS");
3479 /*********************************************************************
3483 * The caret position has been set on the WM_LBUTTONDOWN message
3486 static LRESULT
EDIT_WM_LButtonDblClk(WND
*wnd
, EDITSTATE
*es
, DWORD keys
, INT x
, INT y
)
3489 INT e
= es
->selection_end
;
3494 if (!(es
->flags
& EF_FOCUSED
))
3497 l
= EDIT_EM_LineFromChar(wnd
, es
, e
);
3498 li
= EDIT_EM_LineIndex(wnd
, es
, l
);
3499 ll
= EDIT_EM_LineLength(wnd
, es
, e
);
3500 s
= li
+ EDIT_CallWordBreakProc (wnd
, es
, li
, e
- li
, ll
, WB_LEFT
);
3501 e
= li
+ EDIT_CallWordBreakProc(wnd
, es
, li
, e
- li
, ll
, WB_RIGHT
);
3502 EDIT_EM_SetSel(wnd
, es
, s
, e
, FALSE
);
3503 EDIT_EM_ScrollCaret(wnd
, es
);
3508 /*********************************************************************
3513 static LRESULT
EDIT_WM_LButtonDown(WND
*wnd
, EDITSTATE
*es
, DWORD keys
, INT x
, INT y
)
3518 if (!(es
->flags
& EF_FOCUSED
))
3521 es
->bCaptureState
= TRUE
;
3522 SetCapture(wnd
->hwndSelf
);
3523 EDIT_ConfinePoint(wnd
, es
, &x
, &y
);
3524 e
= EDIT_CharFromPos(wnd
, es
, x
, y
, &after_wrap
);
3525 EDIT_EM_SetSel(wnd
, es
, (keys
& MK_SHIFT
) ? es
->selection_start
: e
, e
, after_wrap
);
3526 EDIT_EM_ScrollCaret(wnd
, es
);
3527 es
->region_posx
= es
->region_posy
= 0;
3528 SetTimer(wnd
->hwndSelf
, 0, 100, NULL
);
3533 /*********************************************************************
3538 static LRESULT
EDIT_WM_LButtonUp(WND
*wnd
, EDITSTATE
*es
, DWORD keys
, INT x
, INT y
)
3540 if (es
->bCaptureState
&& GetCapture() == wnd
->hwndSelf
) {
3541 KillTimer(wnd
->hwndSelf
, 0);
3544 es
->bCaptureState
= FALSE
;
3549 /*********************************************************************
3554 static LRESULT
EDIT_WM_MouseMove(WND
*wnd
, EDITSTATE
*es
, DWORD keys
, INT x
, INT y
)
3560 if (GetCapture() != wnd
->hwndSelf
)
3564 * FIXME: gotta do some scrolling if outside client
3565 * area. Maybe reset the timer ?
3568 EDIT_ConfinePoint(wnd
, es
, &x
, &y
);
3569 es
->region_posx
= (prex
< x
) ? -1 : ((prex
> x
) ? 1 : 0);
3570 es
->region_posy
= (prey
< y
) ? -1 : ((prey
> y
) ? 1 : 0);
3571 e
= EDIT_CharFromPos(wnd
, es
, x
, y
, &after_wrap
);
3572 EDIT_EM_SetSel(wnd
, es
, es
->selection_start
, e
, after_wrap
);
3577 /*********************************************************************
3582 static LRESULT
EDIT_WM_NCCreate(WND
*wnd
, LPCREATESTRUCTA cs
)
3586 if (!(es
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(*es
))))
3588 *(EDITSTATE
**)wnd
->wExtra
= es
;
3591 * Note: since the EDITSTATE has not been fully initialized yet,
3592 * we can't use any API calls that may send
3593 * WM_XXX messages before WM_NCCREATE is completed.
3596 if (!(es
->heap
= HeapCreate(0, 0x10000, 0)))
3598 es
->style
= cs
->style
;
3600 es
->bEnableState
= !(cs
->style
& WS_DISABLED
);
3603 * In Win95 look and feel, the WS_BORDER style is replaced by the
3604 * WS_EX_CLIENTEDGE style for the edit control. This gives the edit
3605 * control a non client area.
3607 if (TWEAK_WineLook
!= WIN31_LOOK
)
3609 if (es
->style
& WS_BORDER
)
3611 es
->style
&= ~WS_BORDER
;
3612 wnd
->dwStyle
&= ~WS_BORDER
;
3613 wnd
->dwExStyle
|= WS_EX_CLIENTEDGE
;
3618 if ((es
->style
& WS_BORDER
) && !(es
->style
& WS_DLGFRAME
))
3619 wnd
->dwStyle
&= ~WS_BORDER
;
3622 if (es
->style
& ES_MULTILINE
) {
3623 es
->buffer_size
= BUFSTART_MULTI
;
3624 es
->buffer_limit
= BUFLIMIT_MULTI
;
3625 if (es
->style
& WS_VSCROLL
)
3626 es
->style
|= ES_AUTOVSCROLL
;
3627 if (es
->style
& WS_HSCROLL
)
3628 es
->style
|= ES_AUTOHSCROLL
;
3629 es
->style
&= ~ES_PASSWORD
;
3630 if ((es
->style
& ES_CENTER
) || (es
->style
& ES_RIGHT
)) {
3631 if (es
->style
& ES_RIGHT
)
3632 es
->style
&= ~ES_CENTER
;
3633 es
->style
&= ~WS_HSCROLL
;
3634 es
->style
&= ~ES_AUTOHSCROLL
;
3637 /* FIXME: for now, all multi line controls are AUTOVSCROLL */
3638 es
->style
|= ES_AUTOVSCROLL
;
3640 es
->buffer_size
= BUFSTART_SINGLE
;
3641 es
->buffer_limit
= BUFLIMIT_SINGLE
;
3642 es
->style
&= ~ES_CENTER
;
3643 es
->style
&= ~ES_RIGHT
;
3644 es
->style
&= ~WS_HSCROLL
;
3645 es
->style
&= ~WS_VSCROLL
;
3646 es
->style
&= ~ES_AUTOVSCROLL
;
3647 es
->style
&= ~ES_WANTRETURN
;
3648 if (es
->style
& ES_UPPERCASE
) {
3649 es
->style
&= ~ES_LOWERCASE
;
3650 es
->style
&= ~ES_NUMBER
;
3651 } else if (es
->style
& ES_LOWERCASE
)
3652 es
->style
&= ~ES_NUMBER
;
3653 if (es
->style
& ES_PASSWORD
)
3654 es
->password_char
= '*';
3656 /* FIXME: for now, all single line controls are AUTOHSCROLL */
3657 es
->style
|= ES_AUTOHSCROLL
;
3659 if (!(es
->text
= HeapAlloc(es
->heap
, 0, es
->buffer_size
+ 1)))
3661 es
->buffer_size
= HeapSize(es
->heap
, 0, es
->text
) - 1;
3662 if (!(es
->undo_text
= HeapAlloc(es
->heap
, 0, es
->buffer_size
+ 1)))
3664 es
->undo_buffer_size
= HeapSize(es
->heap
, 0, es
->undo_text
) - 1;
3666 if (es
->style
& ES_MULTILINE
)
3667 if (!(es
->first_line_def
= HeapAlloc(es
->heap
, HEAP_ZERO_MEMORY
, sizeof(LINEDEF
))))
3674 /*********************************************************************
3679 static void EDIT_WM_Paint(WND
*wnd
, EDITSTATE
*es
, WPARAM wParam
)
3688 BOOL rev
= es
->bEnableState
&&
3689 ((es
->flags
& EF_FOCUSED
) ||
3690 (es
->style
& ES_NOHIDESEL
));
3692 dc
= BeginPaint(wnd
->hwndSelf
, &ps
);
3695 if(es
->style
& WS_BORDER
) {
3696 GetClientRect(wnd
->hwndSelf
, &rc
);
3697 if(es
->style
& ES_MULTILINE
) {
3698 if(es
->style
& WS_HSCROLL
) rc
.bottom
++;
3699 if(es
->style
& WS_VSCROLL
) rc
.right
++;
3701 Rectangle(dc
, rc
.left
, rc
.top
, rc
.right
, rc
.bottom
);
3703 IntersectClipRect(dc
, es
->format_rect
.left
,
3704 es
->format_rect
.top
,
3705 es
->format_rect
.right
,
3706 es
->format_rect
.bottom
);
3707 if (es
->style
& ES_MULTILINE
) {
3708 GetClientRect(wnd
->hwndSelf
, &rc
);
3709 IntersectClipRect(dc
, rc
.left
, rc
.top
, rc
.right
, rc
.bottom
);
3712 old_font
= SelectObject(dc
, es
->font
);
3713 if ( VERSION_AppWinVer() >= 0x40000 &&(
3714 !es
->bEnableState
|| (es
->style
& ES_READONLY
)))
3715 EDIT_SEND_CTLCOLORSTATIC(wnd
, dc
);
3717 EDIT_SEND_CTLCOLOR(wnd
, dc
);
3719 if (!es
->bEnableState
)
3720 SetTextColor(dc
, GetSysColor(COLOR_GRAYTEXT
));
3721 GetClipBox(dc
, &rcRgn
);
3722 if (es
->style
& ES_MULTILINE
) {
3723 INT vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
3724 for (i
= es
->y_offset
; i
<= MIN(es
->y_offset
+ vlc
, es
->y_offset
+ es
->line_count
- 1) ; i
++) {
3725 EDIT_GetLineRect(wnd
, es
, i
, 0, -1, &rcLine
);
3726 if (IntersectRect(&rc
, &rcRgn
, &rcLine
))
3727 EDIT_PaintLine(wnd
, es
, dc
, i
, rev
);
3730 EDIT_GetLineRect(wnd
, es
, 0, 0, -1, &rcLine
);
3731 if (IntersectRect(&rc
, &rcRgn
, &rcLine
))
3732 EDIT_PaintLine(wnd
, es
, dc
, 0, rev
);
3735 SelectObject(dc
, old_font
);
3736 if (es
->flags
& EF_FOCUSED
)
3737 EDIT_SetCaretPos(wnd
, es
, es
->selection_end
,
3738 es
->flags
& EF_AFTER_WRAP
);
3740 EndPaint(wnd
->hwndSelf
, &ps
);
3741 if ((es
->style
& WS_VSCROLL
) && !(es
->flags
& EF_VSCROLL_TRACK
)) {
3742 INT vlc
= (es
->format_rect
.bottom
- es
->format_rect
.top
) / es
->line_height
;
3744 si
.cbSize
= sizeof(SCROLLINFO
);
3745 si
.fMask
= SIF_PAGE
| SIF_POS
| SIF_RANGE
| SIF_DISABLENOSCROLL
;
3747 si
.nMax
= es
->line_count
+ vlc
- 2;
3749 si
.nPos
= es
->y_offset
;
3750 SetScrollInfo(wnd
->hwndSelf
, SB_VERT
, &si
, TRUE
);
3752 if ((es
->style
& WS_HSCROLL
) && !(es
->flags
& EF_HSCROLL_TRACK
)) {
3754 INT fw
= es
->format_rect
.right
- es
->format_rect
.left
;
3755 si
.cbSize
= sizeof(SCROLLINFO
);
3756 si
.fMask
= SIF_PAGE
| SIF_POS
| SIF_RANGE
| SIF_DISABLENOSCROLL
;
3758 si
.nMax
= es
->text_width
+ fw
- 1;
3760 si
.nPos
= es
->x_offset
;
3761 SetScrollInfo(wnd
->hwndSelf
, SB_HORZ
, &si
, TRUE
);
3764 if (es
->flags
& EF_UPDATE
) {
3765 es
->flags
&= ~EF_UPDATE
;
3766 EDIT_NOTIFY_PARENT(wnd
, EN_CHANGE
, "EN_CHANGE");
3771 /*********************************************************************
3776 static void EDIT_WM_Paste(WND
*wnd
, EDITSTATE
*es
)
3781 OpenClipboard(wnd
->hwndSelf
);
3782 if ((hsrc
= GetClipboardData(CF_TEXT
))) {
3783 src
= (LPSTR
)GlobalLock(hsrc
);
3784 EDIT_EM_ReplaceSel(wnd
, es
, TRUE
, src
);
3791 /*********************************************************************
3796 static void EDIT_WM_SetFocus(WND
*wnd
, EDITSTATE
*es
, HWND window_losing_focus
)
3798 es
->flags
|= EF_FOCUSED
;
3799 CreateCaret(wnd
->hwndSelf
, 0, 2, es
->line_height
);
3800 EDIT_SetCaretPos(wnd
, es
, es
->selection_end
,
3801 es
->flags
& EF_AFTER_WRAP
);
3802 if(!(es
->style
& ES_NOHIDESEL
))
3803 EDIT_InvalidateText(wnd
, es
, es
->selection_start
, es
->selection_end
);
3804 ShowCaret(wnd
->hwndSelf
);
3805 EDIT_NOTIFY_PARENT(wnd
, EN_SETFOCUS
, "EN_SETFOCUS");
3809 /*********************************************************************
3813 * With Win95 look the margins are set to default font value unless
3814 * the system font (font == 0) is being set, in which case they are left
3818 static void EDIT_WM_SetFont(WND
*wnd
, EDITSTATE
*es
, HFONT font
, BOOL redraw
)
3826 dc
= GetDC(wnd
->hwndSelf
);
3828 old_font
= SelectObject(dc
, font
);
3829 GetTextMetricsA(dc
, &tm
);
3830 es
->line_height
= tm
.tmHeight
;
3831 es
->char_width
= tm
.tmAveCharWidth
;
3833 SelectObject(dc
, old_font
);
3834 ReleaseDC(wnd
->hwndSelf
, dc
);
3835 if (font
&& (TWEAK_WineLook
> WIN31_LOOK
))
3836 EDIT_EM_SetMargins(wnd
, es
, EC_LEFTMARGIN
| EC_RIGHTMARGIN
,
3837 EC_USEFONTINFO
, EC_USEFONTINFO
);
3839 /* Force the recalculation of the format rect for each font change */
3840 GetClientRect(wnd
->hwndSelf
, &r
);
3841 EDIT_SetRectNP(wnd
, es
, &r
);
3843 if (es
->style
& ES_MULTILINE
)
3844 EDIT_BuildLineDefs_ML(wnd
, es
);
3847 InvalidateRect(wnd
->hwndSelf
, NULL
, TRUE
);
3848 if (es
->flags
& EF_FOCUSED
) {
3850 CreateCaret(wnd
->hwndSelf
, 0, 2, es
->line_height
);
3851 EDIT_SetCaretPos(wnd
, es
, es
->selection_end
,
3852 es
->flags
& EF_AFTER_WRAP
);
3853 ShowCaret(wnd
->hwndSelf
);
3858 /*********************************************************************
3863 * For multiline controls (ES_MULTILINE), reception of WM_SETTEXT triggers:
3864 * The modified flag is reset. No notifications are sent.
3866 * For single-line controls, reception of WM_SETTEXT triggers:
3867 * The modified flag is reset. EN_UPDATE and EN_CHANGE notifications are sent.
3870 static void EDIT_WM_SetText(WND
*wnd
, EDITSTATE
*es
, LPCSTR text
)
3872 EDIT_EM_SetSel(wnd
, es
, 0, -1, FALSE
);
3874 TRACE("\t'%s'\n", text
);
3875 EDIT_EM_ReplaceSel(wnd
, es
, FALSE
, text
);
3877 TRACE("\t<NULL>\n");
3878 EDIT_EM_ReplaceSel(wnd
, es
, FALSE
, "");
3881 if (es
->style
& ES_MULTILINE
) {
3882 es
->flags
&= ~EF_UPDATE
;
3884 es
->flags
|= EF_UPDATE
;
3886 es
->flags
&= ~EF_MODIFIED
;
3887 EDIT_EM_SetSel(wnd
, es
, 0, 0, FALSE
);
3888 EDIT_EM_ScrollCaret(wnd
, es
);
3890 if (es
->flags
& EF_UPDATE
)
3891 EDIT_NOTIFY_PARENT(wnd
, EN_UPDATE
, "EN_UPDATE");
3895 /*********************************************************************
3900 static void EDIT_WM_Size(WND
*wnd
, EDITSTATE
*es
, UINT action
, INT width
, INT height
)
3902 if ((action
== SIZE_MAXIMIZED
) || (action
== SIZE_RESTORED
)) {
3904 SetRect(&rc
, 0, 0, width
, height
);
3905 EDIT_SetRectNP(wnd
, es
, &rc
);
3906 InvalidateRect(wnd
->hwndSelf
, NULL
, TRUE
);
3911 /*********************************************************************
3916 static LRESULT
EDIT_WM_SysKeyDown(WND
*wnd
, EDITSTATE
*es
, INT key
, DWORD key_data
)
3918 if ((key
== VK_BACK
) && (key_data
& 0x2000)) {
3919 if (EDIT_EM_CanUndo(wnd
, es
))
3920 EDIT_EM_Undo(wnd
, es
);
3922 } else if (key
== VK_UP
|| key
== VK_DOWN
)
3923 if (EDIT_CheckCombo(wnd
, WM_SYSKEYDOWN
, key
, key_data
))
3925 return DefWindowProcA(wnd
->hwndSelf
, WM_SYSKEYDOWN
, (WPARAM
)key
, (LPARAM
)key_data
);
3929 /*********************************************************************
3934 static void EDIT_WM_Timer(WND
*wnd
, EDITSTATE
*es
, INT id
, TIMERPROC timer_proc
)
3936 if (es
->region_posx
< 0) {
3937 EDIT_MoveBackward(wnd
, es
, TRUE
);
3938 } else if (es
->region_posx
> 0) {
3939 EDIT_MoveForward(wnd
, es
, TRUE
);
3942 * FIXME: gotta do some vertical scrolling here, like
3943 * EDIT_EM_LineScroll(wnd, 0, 1);
3948 /*********************************************************************
3952 * 16 bit notepad needs this. Actually it is not _our_ hack,
3953 * it is notepad's. Notepad is sending us scrollbar messages with
3954 * undocumented parameters without us even having a scrollbar ... !?!?
3957 static LRESULT
EDIT_VScroll_Hack(WND
*wnd
, EDITSTATE
*es
, INT action
, INT pos
, HWND scroll_bar
)
3962 if (!(es
->flags
& EF_VSCROLL_HACK
)) {
3963 ERR("hacked WM_VSCROLL handler invoked\n");
3964 ERR(" if you are _not_ running 16 bit notepad, please report\n");
3965 ERR(" (this message is only displayed once per edit control)\n");
3966 es
->flags
|= EF_VSCROLL_HACK
;
3974 EDIT_EM_Scroll(wnd
, es
, action
);
3980 dy
= es
->line_count
- 1 - es
->y_offset
;
3983 es
->flags
|= EF_VSCROLL_TRACK
;
3984 dy
= (pos
* (es
->line_count
- 1) + 50) / 100 - es
->y_offset
;
3986 case SB_THUMBPOSITION
:
3987 es
->flags
&= ~EF_VSCROLL_TRACK
;
3988 if (!(dy
= (pos
* (es
->line_count
- 1) + 50) / 100 - es
->y_offset
))
3989 EDIT_NOTIFY_PARENT(wnd
, EN_VSCROLL
, "EN_VSCROLL");
3995 * FIXME : the next two are undocumented !
3996 * Are we doing the right thing ?
3997 * At least Win 3.1 Notepad makes use of EM_GETTHUMB this way,
3998 * although it's also a regular control message.
4001 ret
= (es
->line_count
> 1) ? es
->y_offset
* 100 / (es
->line_count
- 1) : 0;
4003 case EM_LINESCROLL16
:
4008 ERR("undocumented (hacked) WM_VSCROLL parameter, please report\n");
4012 EDIT_EM_LineScroll(wnd
, es
, 0, dy
);
4017 /*********************************************************************
4022 static LRESULT
EDIT_WM_VScroll(WND
*wnd
, EDITSTATE
*es
, INT action
, INT pos
, HWND scroll_bar
)
4026 if (!(es
->style
& ES_MULTILINE
))
4029 if (!(es
->style
& ES_AUTOVSCROLL
))
4032 if (!(es
->style
& WS_VSCROLL
))
4033 return EDIT_VScroll_Hack(wnd
, es
, action
, pos
, scroll_bar
);
4041 EDIT_EM_Scroll(wnd
, es
, action
);
4048 dy
= es
->line_count
- 1 - es
->y_offset
;
4051 es
->flags
|= EF_VSCROLL_TRACK
;
4052 dy
= pos
- es
->y_offset
;
4054 case SB_THUMBPOSITION
:
4055 es
->flags
&= ~EF_VSCROLL_TRACK
;
4056 if (!(dy
= pos
- es
->y_offset
)) {
4057 SetScrollPos(wnd
->hwndSelf
, SB_VERT
, pos
, TRUE
);
4058 EDIT_NOTIFY_PARENT(wnd
, EN_VSCROLL
, "EN_VSCROLL");
4065 ERR("undocumented WM_VSCROLL action %d, please report\n",
4070 EDIT_EM_LineScroll(wnd
, es
, 0, dy
);