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Complete ICatInformation implementation.
[wine/wine64.git] / controls / edit.c
blob2209a15ebe54cf436d9935308e9207cccd39dc8c
1 /*
2 * Edit control
3 *
4 * Copyright David W. Metcalfe, 1994
5 * Copyright William Magro, 1995, 1996
6 * Copyright Frans van Dorsselaer, 1996, 1997
7 *
8 *
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
13 *
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
18 *
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 */
23
24 /*
25 * please read EDIT.TODO (and update it when you change things)
26 */
27
28 #include "config.h"
29
30 #include <string.h>
31 #include <stdlib.h>
32
33 #include "winbase.h"
34 #include "winnt.h"
35 #include "win.h"
36 #include "wine/winbase16.h"
37 #include "wine/winuser16.h"
38 #include "wine/unicode.h"
39 #include "controls.h"
40 #include "local.h"
41 #include "user.h"
42 #include "wine/debug.h"
43
44 WINE_DEFAULT_DEBUG_CHANNEL(edit);
45 WINE_DECLARE_DEBUG_CHANNEL(combo);
46 WINE_DECLARE_DEBUG_CHANNEL(relay);
47
48 #define BUFLIMIT_MULTI 65534 /* maximum buffer size (not including '\0')
49 FIXME: BTW, new specs say 65535 (do you dare ???) */
50 #define BUFLIMIT_SINGLE 32766 /* maximum buffer size (not including '\0') */
51 #define GROWLENGTH 32 /* buffers granularity in bytes: must be power of 2 */
52 #define ROUND_TO_GROW(size) (((size) + (GROWLENGTH - 1)) & ~(GROWLENGTH - 1))
53 #define HSCROLL_FRACTION 3 /* scroll window by 1/3 width */
54
55 /*
56 * extra flags for EDITSTATE.flags field
57 */
58 #define EF_MODIFIED 0x0001 /* text has been modified */
59 #define EF_FOCUSED 0x0002 /* we have input focus */
60 #define EF_UPDATE 0x0004 /* notify parent of changed state */
61 #define EF_VSCROLL_TRACK 0x0008 /* don't SetScrollPos() since we are tracking the thumb */
62 #define EF_HSCROLL_TRACK 0x0010 /* don't SetScrollPos() since we are tracking the thumb */
63 #define EF_AFTER_WRAP 0x0080 /* the caret is displayed after the last character of a
64 wrapped line, instead of in front of the next character */
65 #define EF_USE_SOFTBRK 0x0100 /* Enable soft breaks in text. */
66
67 typedef enum
68 {
69 END_0 = 0, /* line ends with terminating '\0' character */
70 END_WRAP, /* line is wrapped */
71 END_HARD, /* line ends with a hard return '\r\n' */
72 END_SOFT, /* line ends with a soft return '\r\r\n' */
73 END_RICH /* line ends with a single '\n' */
74 } LINE_END;
75
76 typedef struct tagLINEDEF {
77 INT length; /* bruto length of a line in bytes */
78 INT net_length; /* netto length of a line in visible characters */
79 LINE_END ending;
80 INT width; /* width of the line in pixels */
81 INT index; /* line index into the buffer */
82 struct tagLINEDEF *next;
83 } LINEDEF;
84
85 typedef struct
86 {
87 BOOL is_unicode; /* how the control was created */
88 LPWSTR text; /* the actual contents of the control */
89 UINT buffer_size; /* the size of the buffer in characters */
90 UINT buffer_limit; /* the maximum size to which the buffer may grow in characters */
91 HFONT font; /* NULL means standard system font */
92 INT x_offset; /* scroll offset for multi lines this is in pixels
93 for single lines it's in characters */
94 INT line_height; /* height of a screen line in pixels */
95 INT char_width; /* average character width in pixels */
96 DWORD style; /* sane version of wnd->dwStyle */
97 WORD flags; /* flags that are not in es->style or wnd->flags (EF_XXX) */
98 INT undo_insert_count; /* number of characters inserted in sequence */
99 UINT undo_position; /* character index of the insertion and deletion */
100 LPWSTR undo_text; /* deleted text */
101 UINT undo_buffer_size; /* size of the deleted text buffer */
102 INT selection_start; /* == selection_end if no selection */
103 INT selection_end; /* == current caret position */
104 WCHAR password_char; /* == 0 if no password char, and for multi line controls */
105 INT left_margin; /* in pixels */
106 INT right_margin; /* in pixels */
107 RECT format_rect;
108 INT text_width; /* width of the widest line in pixels for multi line controls
109 and just line width for single line controls */
110 INT region_posx; /* Position of cursor relative to region: */
111 INT region_posy; /* -1: to left, 0: within, 1: to right */
112 EDITWORDBREAKPROC16 word_break_proc16;
113 void *word_break_proc; /* 32-bit word break proc: ANSI or Unicode */
114 INT line_count; /* number of lines */
115 INT y_offset; /* scroll offset in number of lines */
116 BOOL bCaptureState; /* flag indicating whether mouse was captured */
117 BOOL bEnableState; /* flag keeping the enable state */
118 HWND hwndParent; /* Handle of parent for sending EN_* messages.
119 Even if parent will change, EN_* messages
120 should be sent to the first parent. */
121 HWND hwndListBox; /* handle of ComboBox's listbox or NULL */
122 /*
123 * only for multi line controls
124 */
125 INT lock_count; /* amount of re-entries in the EditWndProc */
126 INT tabs_count;
127 LPINT tabs;
128 LINEDEF *first_line_def; /* linked list of (soft) linebreaks */
129 HLOCAL hloc32W; /* our unicode local memory block */
130 HLOCAL16 hloc16; /* alias for 16-bit control receiving EM_GETHANDLE16
131 or EM_SETHANDLE16 */
132 HLOCAL hloc32A; /* alias for ANSI control receiving EM_GETHANDLE
133 or EM_SETHANDLE */
134 } EDITSTATE;
135
136
137 #define SWAP_INT32(x,y) do { INT temp = (INT)(x); (x) = (INT)(y); (y) = temp; } while(0)
138 #define ORDER_INT(x,y) do { if ((INT)(y) < (INT)(x)) SWAP_INT32((x),(y)); } while(0)
139
140 #define SWAP_UINT32(x,y) do { UINT temp = (UINT)(x); (x) = (UINT)(y); (y) = temp; } while(0)
141 #define ORDER_UINT(x,y) do { if ((UINT)(y) < (UINT)(x)) SWAP_UINT32((x),(y)); } while(0)
142
143 #define DPRINTF_EDIT_NOTIFY(hwnd, str) \
144 do {TRACE("notification " str " sent to hwnd=%08x\n", \
145 (UINT)(hwnd));} while(0)
146
147 /* used for disabled or read-only edit control */
148 #define EDIT_SEND_CTLCOLORSTATIC(hwnd,hdc) \
149 (SendMessageW(GetParent(hwnd), WM_CTLCOLORSTATIC, \
150 (WPARAM)(hdc), (LPARAM)(hwnd)))
151 #define EDIT_SEND_CTLCOLOR(hwnd,hdc) \
152 (SendMessageW(GetParent(hwnd), WM_CTLCOLOREDIT, \
153 (WPARAM)(hdc), (LPARAM)(hwnd)))
154 #define EDIT_NOTIFY_PARENT(hwnd, es, wNotifyCode, str) \
155 do \
156 { /* Notify parent which has created this edit control */ \
157 DPRINTF_EDIT_NOTIFY((es)->hwndParent, str); \
158 SendMessageW((es)->hwndParent, WM_COMMAND, \
159 MAKEWPARAM(GetWindowLongA((hwnd),GWL_ID), wNotifyCode), \
160 (LPARAM)(hwnd)); \
161 } while(0)
162 #define DPRINTF_EDIT_MSG16(str) \
163 TRACE(\
164 "16 bit : " str ": hwnd=%08x, wParam=%08x, lParam=%08x\n", \
165 hwnd, (UINT)wParam, (UINT)lParam)
166 #define DPRINTF_EDIT_MSG32(str) \
167 TRACE(\
168 "32 bit %c : " str ": hwnd=%08x, wParam=%08x, lParam=%08x\n", \
169 unicode ? 'W' : 'A', \
170 hwnd, (UINT)wParam, (UINT)lParam)
171
172 /*********************************************************************
173 *
174 * Declarations
175 *
176 */
177
178 /*
179 * These functions have trivial implementations
180 * We still like to call them internally
181 * "static inline" makes them more like macro's
182 */
183 static inline BOOL EDIT_EM_CanUndo(EDITSTATE *es);
184 static inline void EDIT_EM_EmptyUndoBuffer(EDITSTATE *es);
185 static inline void EDIT_WM_Clear(HWND hwnd, EDITSTATE *es);
186 static inline void EDIT_WM_Cut(HWND hwnd, EDITSTATE *es);
187
188 /*
189 * Helper functions only valid for one type of control
190 */
191 static void EDIT_BuildLineDefs_ML(HWND hwnd, EDITSTATE *es, INT iStart, INT iEnd, INT delta, HRGN hrgn);
192 static void EDIT_CalcLineWidth_SL(HWND hwnd, EDITSTATE *es);
193 static LPWSTR EDIT_GetPasswordPointer_SL(EDITSTATE *es);
194 static void EDIT_MoveDown_ML(HWND hwnd, EDITSTATE *es, BOOL extend);
195 static void EDIT_MovePageDown_ML(HWND hwnd, EDITSTATE *es, BOOL extend);
196 static void EDIT_MovePageUp_ML(HWND hwnd, EDITSTATE *es, BOOL extend);
197 static void EDIT_MoveUp_ML(HWND hwnd, EDITSTATE *es, BOOL extend);
198 /*
199 * Helper functions valid for both single line _and_ multi line controls
200 */
201 static INT EDIT_CallWordBreakProc(EDITSTATE *es, INT start, INT index, INT count, INT action);
202 static INT EDIT_CharFromPos(HWND hwnd, EDITSTATE *es, INT x, INT y, LPBOOL after_wrap);
203 static void EDIT_ConfinePoint(EDITSTATE *es, LPINT x, LPINT y);
204 static void EDIT_GetLineRect(HWND hwnd, EDITSTATE *es, INT line, INT scol, INT ecol, LPRECT rc);
205 static void EDIT_InvalidateText(HWND hwnd, EDITSTATE *es, INT start, INT end);
206 static void EDIT_LockBuffer(HWND hwnd, EDITSTATE *es);
207 static BOOL EDIT_MakeFit(HWND hwnd, EDITSTATE *es, UINT size);
208 static BOOL EDIT_MakeUndoFit(EDITSTATE *es, UINT size);
209 static void EDIT_MoveBackward(HWND hwnd, EDITSTATE *es, BOOL extend);
210 static void EDIT_MoveEnd(HWND hwnd, EDITSTATE *es, BOOL extend);
211 static void EDIT_MoveForward(HWND hwnd, EDITSTATE *es, BOOL extend);
212 static void EDIT_MoveHome(HWND hwnd, EDITSTATE *es, BOOL extend);
213 static void EDIT_MoveWordBackward(HWND hwnd, EDITSTATE *es, BOOL extend);
214 static void EDIT_MoveWordForward(HWND hwnd, EDITSTATE *es, BOOL extend);
215 static void EDIT_PaintLine(HWND hwnd, EDITSTATE *es, HDC hdc, INT line, BOOL rev);
216 static INT EDIT_PaintText(EDITSTATE *es, HDC hdc, INT x, INT y, INT line, INT col, INT count, BOOL rev);
217 static void EDIT_SetCaretPos(HWND hwnd, EDITSTATE *es, INT pos, BOOL after_wrap);
218 static void EDIT_SetRectNP(HWND hwnd, EDITSTATE *es, LPRECT lprc);
219 static void EDIT_UnlockBuffer(HWND hwnd, EDITSTATE *es, BOOL force);
220 static void EDIT_UpdateScrollInfo(HWND hwnd, EDITSTATE *es);
221 static INT CALLBACK EDIT_WordBreakProc(LPWSTR s, INT index, INT count, INT action);
222 /*
223 * EM_XXX message handlers
224 */
225 static LRESULT EDIT_EM_CharFromPos(HWND hwnd, EDITSTATE *es, INT x, INT y);
226 static BOOL EDIT_EM_FmtLines(EDITSTATE *es, BOOL add_eol);
227 static HLOCAL EDIT_EM_GetHandle(EDITSTATE *es);
228 static HLOCAL16 EDIT_EM_GetHandle16(HWND hwnd, EDITSTATE *es);
229 static INT EDIT_EM_GetLine(EDITSTATE *es, INT line, LPARAM lParam, BOOL unicode);
230 static LRESULT EDIT_EM_GetSel(EDITSTATE *es, LPUINT start, LPUINT end);
231 static LRESULT EDIT_EM_GetThumb(HWND hwnd, EDITSTATE *es);
232 static INT EDIT_EM_LineFromChar(EDITSTATE *es, INT index);
233 static INT EDIT_EM_LineIndex(EDITSTATE *es, INT line);
234 static INT EDIT_EM_LineLength(EDITSTATE *es, INT index);
235 static BOOL EDIT_EM_LineScroll(HWND hwnd, EDITSTATE *es, INT dx, INT dy);
236 static BOOL EDIT_EM_LineScroll_internal(HWND hwnd, EDITSTATE *es, INT dx, INT dy);
237 static LRESULT EDIT_EM_PosFromChar(HWND hwnd, EDITSTATE *es, INT index, BOOL after_wrap);
238 static void EDIT_EM_ReplaceSel(HWND hwnd, EDITSTATE *es, BOOL can_undo, LPCWSTR lpsz_replace, BOOL send_update);
239 static LRESULT EDIT_EM_Scroll(HWND hwnd, EDITSTATE *es, INT action);
240 static void EDIT_EM_ScrollCaret(HWND hwnd, EDITSTATE *es);
241 static void EDIT_EM_SetHandle(HWND hwnd, EDITSTATE *es, HLOCAL hloc);
242 static void EDIT_EM_SetHandle16(HWND hwnd, EDITSTATE *es, HLOCAL16 hloc);
243 static void EDIT_EM_SetLimitText(EDITSTATE *es, INT limit);
244 static void EDIT_EM_SetMargins(EDITSTATE *es, INT action, INT left, INT right);
245 static void EDIT_EM_SetPasswordChar(HWND hwnd, EDITSTATE *es, WCHAR c);
246 static void EDIT_EM_SetSel(HWND hwnd, EDITSTATE *es, UINT start, UINT end, BOOL after_wrap);
247 static BOOL EDIT_EM_SetTabStops(EDITSTATE *es, INT count, LPINT tabs);
248 static BOOL EDIT_EM_SetTabStops16(EDITSTATE *es, INT count, LPINT16 tabs);
249 static void EDIT_EM_SetWordBreakProc(HWND hwnd, EDITSTATE *es, LPARAM lParam);
250 static void EDIT_EM_SetWordBreakProc16(HWND hwnd, EDITSTATE *es, EDITWORDBREAKPROC16 wbp);
251 static BOOL EDIT_EM_Undo(HWND hwnd, EDITSTATE *es);
252 /*
253 * WM_XXX message handlers
254 */
255 static void EDIT_WM_Char(HWND hwnd, EDITSTATE *es, WCHAR c);
256 static void EDIT_WM_Command(HWND hwnd, EDITSTATE *es, INT code, INT id, HWND conrtol);
257 static void EDIT_WM_ContextMenu(HWND hwnd, EDITSTATE *es, INT x, INT y);
258 static void EDIT_WM_Copy(HWND hwnd, EDITSTATE *es);
259 static LRESULT EDIT_WM_Create(HWND hwnd, EDITSTATE *es, LPCWSTR name);
260 static void EDIT_WM_Destroy(HWND hwnd, EDITSTATE *es);
261 static LRESULT EDIT_WM_EraseBkGnd(HWND hwnd, EDITSTATE *es, HDC dc);
262 static INT EDIT_WM_GetText(EDITSTATE *es, INT count, LPARAM lParam, BOOL unicode);
263 static LRESULT EDIT_WM_HScroll(HWND hwnd, EDITSTATE *es, INT action, INT pos);
264 static LRESULT EDIT_WM_KeyDown(HWND hwnd, EDITSTATE *es, INT key);
265 static LRESULT EDIT_WM_KillFocus(HWND hwnd, EDITSTATE *es);
266 static LRESULT EDIT_WM_LButtonDblClk(HWND hwnd, EDITSTATE *es);
267 static LRESULT EDIT_WM_LButtonDown(HWND hwnd, EDITSTATE *es, DWORD keys, INT x, INT y);
268 static LRESULT EDIT_WM_LButtonUp(HWND hwndSelf, EDITSTATE *es);
269 static LRESULT EDIT_WM_MButtonDown(HWND hwnd);
270 static LRESULT EDIT_WM_MouseMove(HWND hwnd, EDITSTATE *es, INT x, INT y);
271 static LRESULT EDIT_WM_NCCreate(HWND hwnd, DWORD style, HWND hwndParent, BOOL unicode);
272 static void EDIT_WM_Paint(HWND hwnd, EDITSTATE *es, WPARAM wParam);
273 static void EDIT_WM_Paste(HWND hwnd, EDITSTATE *es);
274 static void EDIT_WM_SetFocus(HWND hwnd, EDITSTATE *es);
275 static void EDIT_WM_SetFont(HWND hwnd, EDITSTATE *es, HFONT font, BOOL redraw);
276 static void EDIT_WM_SetText(HWND hwnd, EDITSTATE *es, LPARAM lParam, BOOL unicode);
277 static void EDIT_WM_Size(HWND hwnd, EDITSTATE *es, UINT action, INT width, INT height);
278 static LRESULT EDIT_WM_StyleChanged (HWND hwnd, EDITSTATE *es, WPARAM which, const STYLESTRUCT *style);
279 static LRESULT EDIT_WM_SysKeyDown(HWND hwnd, EDITSTATE *es, INT key, DWORD key_data);
280 static void EDIT_WM_Timer(HWND hwnd, EDITSTATE *es);
281 static LRESULT EDIT_WM_VScroll(HWND hwnd, EDITSTATE *es, INT action, INT pos);
282 static void EDIT_UpdateText(HWND hwnd, EDITSTATE *es, LPRECT rc, BOOL bErase);
283 static void EDIT_UpdateTextRegion(HWND hwnd, EDITSTATE *es, HRGN hrgn, BOOL bErase);
284
285 LRESULT WINAPI EditWndProcA(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
286 LRESULT WINAPI EditWndProcW(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
287
288 /*********************************************************************
289 * edit class descriptor
290 */
291 const struct builtin_class_descr EDIT_builtin_class =
292 {
293 "Edit", /* name */
294 CS_GLOBALCLASS | CS_DBLCLKS | CS_PARENTDC, /* style */
295 EditWndProcA, /* procA */
296 EditWndProcW, /* procW */
297 sizeof(EDITSTATE *), /* extra */
298 IDC_IBEAMA, /* cursor */
299 0 /* brush */
300 };
301
302
303 /*********************************************************************
304 *
305 * EM_CANUNDO
306 *
307 */
308 static inline BOOL EDIT_EM_CanUndo(EDITSTATE *es)
309 {
310 return (es->undo_insert_count || strlenW(es->undo_text));
311 }
312
313
314 /*********************************************************************
315 *
316 * EM_EMPTYUNDOBUFFER
317 *
318 */
319 static inline void EDIT_EM_EmptyUndoBuffer(EDITSTATE *es)
320 {
321 es->undo_insert_count = 0;
322 *es->undo_text = '\0';
323 }
324
325
326 /*********************************************************************
327 *
328 * WM_CLEAR
329 *
330 */
331 static inline void EDIT_WM_Clear(HWND hwnd, EDITSTATE *es)
332 {
333 static const WCHAR empty_stringW[] = {0};
334
335 /* Protect read-only edit control from modification */
336 if(es->style & ES_READONLY)
337 return;
338
339 EDIT_EM_ReplaceSel(hwnd, es, TRUE, empty_stringW, TRUE);
340 }
341
342
343 /*********************************************************************
344 *
345 * WM_CUT
346 *
347 */
348 static inline void EDIT_WM_Cut(HWND hwnd, EDITSTATE *es)
349 {
350 EDIT_WM_Copy(hwnd, es);
351 EDIT_WM_Clear(hwnd, es);
352 }
353
354
355 /**********************************************************************
356 * get_app_version
357 *
358 * Returns the window version in case Wine emulates a later version
359 * of windows then the application expects.
360 *
361 * In a number of cases when windows runs an application that was
362 * designed for an earlier windows version, windows reverts
363 * to "old" behaviour of that earlier version.
364 *
365 * An example is a disabled edit control that needs to be painted.
366 * Old style behaviour is to send a WM_CTLCOLOREDIT message. This was
367 * changed in Win95, NT4.0 by a WM_CTLCOLORSTATIC message _only_ for
368 * applications with an expected version 0f 4.0 or higher.
369 *
370 */
371 static DWORD get_app_version(void)
372 {
373 static DWORD version;
374 if (!version)
375 {
376 DWORD dwEmulatedVersion;
377 OSVERSIONINFOW info;
378 DWORD dwProcVersion = GetProcessVersion(0);
379
380 info.dwOSVersionInfoSize = sizeof(OSVERSIONINFOW);
381 GetVersionExW( &info );
382 dwEmulatedVersion = MAKELONG( info.dwMinorVersion, info.dwMajorVersion );
383 /* FIXME: this may not be 100% correct; see discussion on the
384 * wine developer list in Nov 1999 */
385 version = dwProcVersion < dwEmulatedVersion ? dwProcVersion : dwEmulatedVersion;
386 }
387 return version;
388 }
389
390
391 /*********************************************************************
392 *
393 * EditWndProc_common
394 *
395 * The messages are in the order of the actual integer values
396 * (which can be found in include/windows.h)
397 * Wherever possible the 16 bit versions are converted to
398 * the 32 bit ones, so that we can 'fall through' to the
399 * helper functions. These are mostly 32 bit (with a few
400 * exceptions, clearly indicated by a '16' extension to their
401 * names).
402 *
403 */
404 static LRESULT WINAPI EditWndProc_common( HWND hwnd, UINT msg,
405 WPARAM wParam, LPARAM lParam, BOOL unicode )
406 {
407 EDITSTATE *es = (EDITSTATE *)GetWindowLongA( hwnd, 0 );
408 LRESULT result = 0;
409
410 switch (msg) {
411 case WM_DESTROY:
412 DPRINTF_EDIT_MSG32("WM_DESTROY");
413 if (es) EDIT_WM_Destroy(hwnd, es);
414 result = 0;
415 goto END;
416
417 case WM_NCCREATE:
418 DPRINTF_EDIT_MSG32("WM_NCCREATE");
419 if(unicode)
420 {
421 LPCREATESTRUCTW cs = (LPCREATESTRUCTW)lParam;
422 result = EDIT_WM_NCCreate(hwnd, cs->style, cs->hwndParent, TRUE);
423 }
424 else
425 {
426 LPCREATESTRUCTA cs = (LPCREATESTRUCTA)lParam;
427 result = EDIT_WM_NCCreate(hwnd, cs->style, cs->hwndParent, FALSE);
428 }
429 goto END;
430 }
431
432 if (!es)
433 {
434 if(unicode)
435 result = DefWindowProcW(hwnd, msg, wParam, lParam);
436 else
437 result = DefWindowProcA(hwnd, msg, wParam, lParam);
438 goto END;
439 }
440
441
442 EDIT_LockBuffer(hwnd, es);
443 switch (msg) {
444 case EM_GETSEL16:
445 DPRINTF_EDIT_MSG16("EM_GETSEL");
446 wParam = 0;
447 lParam = 0;
448 /* fall through */
449 case EM_GETSEL:
450 DPRINTF_EDIT_MSG32("EM_GETSEL");
451 result = EDIT_EM_GetSel(es, (LPUINT)wParam, (LPUINT)lParam);
452 break;
453
454 case EM_SETSEL16:
455 DPRINTF_EDIT_MSG16("EM_SETSEL");
456 if (SLOWORD(lParam) == -1)
457 EDIT_EM_SetSel(hwnd, es, (UINT)-1, 0, FALSE);
458 else
459 EDIT_EM_SetSel(hwnd, es, LOWORD(lParam), HIWORD(lParam), FALSE);
460 if (!wParam)
461 EDIT_EM_ScrollCaret(hwnd, es);
462 result = 1;
463 break;
464 case EM_SETSEL:
465 DPRINTF_EDIT_MSG32("EM_SETSEL");
466 EDIT_EM_SetSel(hwnd, es, wParam, lParam, FALSE);
467 EDIT_EM_ScrollCaret(hwnd, es);
468 result = 1;
469 break;
470
471 case EM_GETRECT16:
472 DPRINTF_EDIT_MSG16("EM_GETRECT");
473 if (lParam)
474 CONV_RECT32TO16(&es->format_rect, MapSL(lParam));
475 break;
476 case EM_GETRECT:
477 DPRINTF_EDIT_MSG32("EM_GETRECT");
478 if (lParam)
479 CopyRect((LPRECT)lParam, &es->format_rect);
480 break;
481
482 case EM_SETRECT16:
483 DPRINTF_EDIT_MSG16("EM_SETRECT");
484 if ((es->style & ES_MULTILINE) && lParam) {
485 RECT rc;
486 CONV_RECT16TO32(MapSL(lParam), &rc);
487 EDIT_SetRectNP(hwnd, es, &rc);
488 EDIT_UpdateText(hwnd, es, NULL, TRUE);
489 }
490 break;
491 case EM_SETRECT:
492 DPRINTF_EDIT_MSG32("EM_SETRECT");
493 if ((es->style & ES_MULTILINE) && lParam) {
494 EDIT_SetRectNP(hwnd, es, (LPRECT)lParam);
495 EDIT_UpdateText(hwnd, es, NULL, TRUE);
496 }
497 break;
498
499 case EM_SETRECTNP16:
500 DPRINTF_EDIT_MSG16("EM_SETRECTNP");
501 if ((es->style & ES_MULTILINE) && lParam) {
502 RECT rc;
503 CONV_RECT16TO32(MapSL(lParam), &rc);
504 EDIT_SetRectNP(hwnd, es, &rc);
505 }
506 break;
507 case EM_SETRECTNP:
508 DPRINTF_EDIT_MSG32("EM_SETRECTNP");
509 if ((es->style & ES_MULTILINE) && lParam)
510 EDIT_SetRectNP(hwnd, es, (LPRECT)lParam);
511 break;
512
513 case EM_SCROLL16:
514 DPRINTF_EDIT_MSG16("EM_SCROLL");
515 /* fall through */
516 case EM_SCROLL:
517 DPRINTF_EDIT_MSG32("EM_SCROLL");
518 result = EDIT_EM_Scroll(hwnd, es, (INT)wParam);
519 break;
520
521 case EM_LINESCROLL16:
522 DPRINTF_EDIT_MSG16("EM_LINESCROLL");
523 wParam = (WPARAM)(INT)SHIWORD(lParam);
524 lParam = (LPARAM)(INT)SLOWORD(lParam);
525 /* fall through */
526 case EM_LINESCROLL:
527 DPRINTF_EDIT_MSG32("EM_LINESCROLL");
528 result = (LRESULT)EDIT_EM_LineScroll(hwnd, es, (INT)wParam, (INT)lParam);
529 break;
530
531 case EM_SCROLLCARET16:
532 DPRINTF_EDIT_MSG16("EM_SCROLLCARET");
533 /* fall through */
534 case EM_SCROLLCARET:
535 DPRINTF_EDIT_MSG32("EM_SCROLLCARET");
536 EDIT_EM_ScrollCaret(hwnd, es);
537 result = 1;
538 break;
539
540 case EM_GETMODIFY16:
541 DPRINTF_EDIT_MSG16("EM_GETMODIFY");
542 /* fall through */
543 case EM_GETMODIFY:
544 DPRINTF_EDIT_MSG32("EM_GETMODIFY");
545 result = ((es->flags & EF_MODIFIED) != 0);
546 break;
547
548 case EM_SETMODIFY16:
549 DPRINTF_EDIT_MSG16("EM_SETMODIFY");
550 /* fall through */
551 case EM_SETMODIFY:
552 DPRINTF_EDIT_MSG32("EM_SETMODIFY");
553 if (wParam)
554 es->flags |= EF_MODIFIED;
555 else
556 es->flags &= ~(EF_MODIFIED | EF_UPDATE); /* reset pending updates */
557 break;
558
559 case EM_GETLINECOUNT16:
560 DPRINTF_EDIT_MSG16("EM_GETLINECOUNT");
561 /* fall through */
562 case EM_GETLINECOUNT:
563 DPRINTF_EDIT_MSG32("EM_GETLINECOUNT");
564 result = (es->style & ES_MULTILINE) ? es->line_count : 1;
565 break;
566
567 case EM_LINEINDEX16:
568 DPRINTF_EDIT_MSG16("EM_LINEINDEX");
569 if ((INT16)wParam == -1)
570 wParam = (WPARAM)-1;
571 /* fall through */
572 case EM_LINEINDEX:
573 DPRINTF_EDIT_MSG32("EM_LINEINDEX");
574 result = (LRESULT)EDIT_EM_LineIndex(es, (INT)wParam);
575 break;
576
577 case EM_SETHANDLE16:
578 DPRINTF_EDIT_MSG16("EM_SETHANDLE");
579 EDIT_EM_SetHandle16(hwnd, es, (HLOCAL16)wParam);
580 break;
581 case EM_SETHANDLE:
582 DPRINTF_EDIT_MSG32("EM_SETHANDLE");
583 EDIT_EM_SetHandle(hwnd, es, (HLOCAL)wParam);
584 break;
585
586 case EM_GETHANDLE16:
587 DPRINTF_EDIT_MSG16("EM_GETHANDLE");
588 result = (LRESULT)EDIT_EM_GetHandle16(hwnd, es);
589 break;
590 case EM_GETHANDLE:
591 DPRINTF_EDIT_MSG32("EM_GETHANDLE");
592 result = (LRESULT)EDIT_EM_GetHandle(es);
593 break;
594
595 case EM_GETTHUMB16:
596 DPRINTF_EDIT_MSG16("EM_GETTHUMB");
597 /* fall through */
598 case EM_GETTHUMB:
599 DPRINTF_EDIT_MSG32("EM_GETTHUMB");
600 result = EDIT_EM_GetThumb(hwnd, es);
601 break;
602
603 /* messages 0x00bf and 0x00c0 missing from specs */
604
605 case WM_USER+15:
606 DPRINTF_EDIT_MSG16("undocumented WM_USER+15, please report");
607 /* fall through */
608 case 0x00bf:
609 DPRINTF_EDIT_MSG32("undocumented 0x00bf, please report");
610 result = DefWindowProcW(hwnd, msg, wParam, lParam);
611 break;
612
613 case WM_USER+16:
614 DPRINTF_EDIT_MSG16("undocumented WM_USER+16, please report");
615 /* fall through */
616 case 0x00c0:
617 DPRINTF_EDIT_MSG32("undocumented 0x00c0, please report");
618 result = DefWindowProcW(hwnd, msg, wParam, lParam);
619 break;
620
621 case EM_LINELENGTH16:
622 DPRINTF_EDIT_MSG16("EM_LINELENGTH");
623 /* fall through */
624 case EM_LINELENGTH:
625 DPRINTF_EDIT_MSG32("EM_LINELENGTH");
626 result = (LRESULT)EDIT_EM_LineLength(es, (INT)wParam);
627 break;
628
629 case EM_REPLACESEL16:
630 DPRINTF_EDIT_MSG16("EM_REPLACESEL");
631 lParam = (LPARAM)MapSL(lParam);
632 unicode = FALSE; /* 16-bit message is always ascii */
633 /* fall through */
634 case EM_REPLACESEL:
635 {
636 LPWSTR textW;
637 DPRINTF_EDIT_MSG32("EM_REPLACESEL");
638
639 if(unicode)
640 textW = (LPWSTR)lParam;
641 else
642 {
643 LPSTR textA = (LPSTR)lParam;
644 INT countW = MultiByteToWideChar(CP_ACP, 0, textA, -1, NULL, 0);
645 if((textW = HeapAlloc(GetProcessHeap(), 0, countW * sizeof(WCHAR))))
646 MultiByteToWideChar(CP_ACP, 0, textA, -1, textW, countW);
647 }
648
649 EDIT_EM_ReplaceSel(hwnd, es, (BOOL)wParam, textW, TRUE);
650 result = 1;
651
652 if(!unicode)
653 HeapFree(GetProcessHeap(), 0, textW);
654 break;
655 }
656 /* message 0x00c3 missing from specs */
657
658 case WM_USER+19:
659 DPRINTF_EDIT_MSG16("undocumented WM_USER+19, please report");
660 /* fall through */
661 case 0x00c3:
662 DPRINTF_EDIT_MSG32("undocumented 0x00c3, please report");
663 result = DefWindowProcW(hwnd, msg, wParam, lParam);
664 break;
665
666 case EM_GETLINE16:
667 DPRINTF_EDIT_MSG16("EM_GETLINE");
668 lParam = (LPARAM)MapSL(lParam);
669 unicode = FALSE; /* 16-bit message is always ascii */
670 /* fall through */
671 case EM_GETLINE:
672 DPRINTF_EDIT_MSG32("EM_GETLINE");
673 result = (LRESULT)EDIT_EM_GetLine(es, (INT)wParam, lParam, unicode);
674 break;
675
676 case EM_LIMITTEXT16:
677 DPRINTF_EDIT_MSG16("EM_LIMITTEXT");
678 /* fall through */
679 case EM_SETLIMITTEXT:
680 DPRINTF_EDIT_MSG32("EM_SETLIMITTEXT");
681 EDIT_EM_SetLimitText(es, (INT)wParam);
682 break;
683
684 case EM_CANUNDO16:
685 DPRINTF_EDIT_MSG16("EM_CANUNDO");
686 /* fall through */
687 case EM_CANUNDO:
688 DPRINTF_EDIT_MSG32("EM_CANUNDO");
689 result = (LRESULT)EDIT_EM_CanUndo(es);
690 break;
691
692 case EM_UNDO16:
693 DPRINTF_EDIT_MSG16("EM_UNDO");
694 /* fall through */
695 case EM_UNDO:
696 /* fall through */
697 case WM_UNDO:
698 DPRINTF_EDIT_MSG32("EM_UNDO / WM_UNDO");
699 result = (LRESULT)EDIT_EM_Undo(hwnd, es);
700 break;
701
702 case EM_FMTLINES16:
703 DPRINTF_EDIT_MSG16("EM_FMTLINES");
704 /* fall through */
705 case EM_FMTLINES:
706 DPRINTF_EDIT_MSG32("EM_FMTLINES");
707 result = (LRESULT)EDIT_EM_FmtLines(es, (BOOL)wParam);
708 break;
709
710 case EM_LINEFROMCHAR16:
711 DPRINTF_EDIT_MSG16("EM_LINEFROMCHAR");
712 /* fall through */
713 case EM_LINEFROMCHAR:
714 DPRINTF_EDIT_MSG32("EM_LINEFROMCHAR");
715 result = (LRESULT)EDIT_EM_LineFromChar(es, (INT)wParam);
716 break;
717
718 /* message 0x00ca missing from specs */
719
720 case WM_USER+26:
721 DPRINTF_EDIT_MSG16("undocumented WM_USER+26, please report");
722 /* fall through */
723 case 0x00ca:
724 DPRINTF_EDIT_MSG32("undocumented 0x00ca, please report");
725 result = DefWindowProcW(hwnd, msg, wParam, lParam);
726 break;
727
728 case EM_SETTABSTOPS16:
729 DPRINTF_EDIT_MSG16("EM_SETTABSTOPS");
730 result = (LRESULT)EDIT_EM_SetTabStops16(es, (INT)wParam, MapSL(lParam));
731 break;
732 case EM_SETTABSTOPS:
733 DPRINTF_EDIT_MSG32("EM_SETTABSTOPS");
734 result = (LRESULT)EDIT_EM_SetTabStops(es, (INT)wParam, (LPINT)lParam);
735 break;
736
737 case EM_SETPASSWORDCHAR16:
738 DPRINTF_EDIT_MSG16("EM_SETPASSWORDCHAR");
739 unicode = FALSE; /* 16-bit message is always ascii */
740 /* fall through */
741 case EM_SETPASSWORDCHAR:
742 {
743 WCHAR charW = 0;
744 DPRINTF_EDIT_MSG32("EM_SETPASSWORDCHAR");
745
746 if(unicode)
747 charW = (WCHAR)wParam;
748 else
749 {
750 CHAR charA = wParam;
751 MultiByteToWideChar(CP_ACP, 0, &charA, 1, &charW, 1);
752 }
753
754 EDIT_EM_SetPasswordChar(hwnd, es, charW);
755 break;
756 }
757
758 case EM_EMPTYUNDOBUFFER16:
759 DPRINTF_EDIT_MSG16("EM_EMPTYUNDOBUFFER");
760 /* fall through */
761 case EM_EMPTYUNDOBUFFER:
762 DPRINTF_EDIT_MSG32("EM_EMPTYUNDOBUFFER");
763 EDIT_EM_EmptyUndoBuffer(es);
764 break;
765
766 case EM_GETFIRSTVISIBLELINE16:
767 DPRINTF_EDIT_MSG16("EM_GETFIRSTVISIBLELINE");
768 result = es->y_offset;
769 break;
770 case EM_GETFIRSTVISIBLELINE:
771 DPRINTF_EDIT_MSG32("EM_GETFIRSTVISIBLELINE");
772 result = (es->style & ES_MULTILINE) ? es->y_offset : es->x_offset;
773 break;
774
775 case EM_SETREADONLY16:
776 DPRINTF_EDIT_MSG16("EM_SETREADONLY");
777 /* fall through */
778 case EM_SETREADONLY:
779 DPRINTF_EDIT_MSG32("EM_SETREADONLY");
780 if (wParam) {
781 SetWindowLongA( hwnd, GWL_STYLE,
782 GetWindowLongA( hwnd, GWL_STYLE ) | ES_READONLY );
783 es->style |= ES_READONLY;
784 } else {
785 SetWindowLongA( hwnd, GWL_STYLE,
786 GetWindowLongA( hwnd, GWL_STYLE ) & ~ES_READONLY );
787 es->style &= ~ES_READONLY;
788 }
789 result = 1;
790 break;
791
792 case EM_SETWORDBREAKPROC16:
793 DPRINTF_EDIT_MSG16("EM_SETWORDBREAKPROC");
794 EDIT_EM_SetWordBreakProc16(hwnd, es, (EDITWORDBREAKPROC16)lParam);
795 break;
796 case EM_SETWORDBREAKPROC:
797 DPRINTF_EDIT_MSG32("EM_SETWORDBREAKPROC");
798 EDIT_EM_SetWordBreakProc(hwnd, es, lParam);
799 break;
800
801 case EM_GETWORDBREAKPROC16:
802 DPRINTF_EDIT_MSG16("EM_GETWORDBREAKPROC");
803 result = (LRESULT)es->word_break_proc16;
804 break;
805 case EM_GETWORDBREAKPROC:
806 DPRINTF_EDIT_MSG32("EM_GETWORDBREAKPROC");
807 result = (LRESULT)es->word_break_proc;
808 break;
809
810 case EM_GETPASSWORDCHAR16:
811 DPRINTF_EDIT_MSG16("EM_GETPASSWORDCHAR");
812 unicode = FALSE; /* 16-bit message is always ascii */
813 /* fall through */
814 case EM_GETPASSWORDCHAR:
815 {
816 DPRINTF_EDIT_MSG32("EM_GETPASSWORDCHAR");
817
818 if(unicode)
819 result = es->password_char;
820 else
821 {
822 WCHAR charW = es->password_char;
823 CHAR charA = 0;
824 WideCharToMultiByte(CP_ACP, 0, &charW, 1, &charA, 1, NULL, NULL);
825 result = charA;
826 }
827 break;
828 }
829
830 /* The following EM_xxx are new to win95 and don't exist for 16 bit */
831
832 case EM_SETMARGINS:
833 DPRINTF_EDIT_MSG32("EM_SETMARGINS");
834 EDIT_EM_SetMargins(es, (INT)wParam, SLOWORD(lParam), SHIWORD(lParam));
835 break;
836
837 case EM_GETMARGINS:
838 DPRINTF_EDIT_MSG32("EM_GETMARGINS");
839 result = MAKELONG(es->left_margin, es->right_margin);
840 break;
841
842 case EM_GETLIMITTEXT:
843 DPRINTF_EDIT_MSG32("EM_GETLIMITTEXT");
844 result = es->buffer_limit;
845 break;
846
847 case EM_POSFROMCHAR:
848 DPRINTF_EDIT_MSG32("EM_POSFROMCHAR");
849 result = EDIT_EM_PosFromChar(hwnd, es, (INT)wParam, FALSE);
850 break;
851
852 case EM_CHARFROMPOS:
853 DPRINTF_EDIT_MSG32("EM_CHARFROMPOS");
854 result = EDIT_EM_CharFromPos(hwnd, es, SLOWORD(lParam), SHIWORD(lParam));
855 break;
856
857 /* End of the EM_ messages which were in numerical order; what order
858 * are these in? vaguely alphabetical?
859 */
860
861 case WM_GETDLGCODE:
862 DPRINTF_EDIT_MSG32("WM_GETDLGCODE");
863 result = DLGC_HASSETSEL | DLGC_WANTCHARS | DLGC_WANTARROWS;
864
865 if (lParam && (((LPMSG)lParam)->message == WM_KEYDOWN))
866 {
867 int vk = (int)((LPMSG)lParam)->wParam;
868
869 if (vk == VK_RETURN && (GetWindowLongA( hwnd, GWL_STYLE ) & ES_WANTRETURN))
870 {
871 result |= DLGC_WANTMESSAGE;
872 }
873 else if (es->hwndListBox && (vk == VK_RETURN || vk == VK_ESCAPE))
874 {
875 if (SendMessageW(GetParent(hwnd), CB_GETDROPPEDSTATE, 0, 0))
876 result |= DLGC_WANTMESSAGE;
877 }
878 }
879 break;
880
881 case WM_CHAR:
882 {
883 WCHAR charW;
884 DPRINTF_EDIT_MSG32("WM_CHAR");
885
886 if(unicode)
887 charW = wParam;
888 else
889 {
890 CHAR charA = wParam;
891 MultiByteToWideChar(CP_ACP, 0, &charA, 1, &charW, 1);
892 }
893
894 if ((charW == VK_RETURN || charW == VK_ESCAPE) && es->hwndListBox)
895 {
896 if (SendMessageW(GetParent(hwnd), CB_GETDROPPEDSTATE, 0, 0))
897 SendMessageW(GetParent(hwnd), WM_KEYDOWN, charW, 0);
898 break;
899 }
900 EDIT_WM_Char(hwnd, es, charW);
901 break;
902 }
903
904 case WM_CLEAR:
905 DPRINTF_EDIT_MSG32("WM_CLEAR");
906 EDIT_WM_Clear(hwnd, es);
907 break;
908
909 case WM_COMMAND:
910 DPRINTF_EDIT_MSG32("WM_COMMAND");
911 EDIT_WM_Command(hwnd, es, HIWORD(wParam), LOWORD(wParam), (HWND)lParam);
912 break;
913
914 case WM_CONTEXTMENU:
915 DPRINTF_EDIT_MSG32("WM_CONTEXTMENU");
916 EDIT_WM_ContextMenu(hwnd, es, SLOWORD(lParam), SHIWORD(lParam));
917 break;
918
919 case WM_COPY:
920 DPRINTF_EDIT_MSG32("WM_COPY");
921 EDIT_WM_Copy(hwnd, es);
922 break;
923
924 case WM_CREATE:
925 DPRINTF_EDIT_MSG32("WM_CREATE");
926 if(unicode)
927 result = EDIT_WM_Create(hwnd, es, ((LPCREATESTRUCTW)lParam)->lpszName);
928 else
929 {
930 LPCSTR nameA = ((LPCREATESTRUCTA)lParam)->lpszName;
931 LPWSTR nameW = NULL;
932 if(nameA)
933 {
934 INT countW = MultiByteToWideChar(CP_ACP, 0, nameA, -1, NULL, 0);
935 if((nameW = HeapAlloc(GetProcessHeap(), 0, countW * sizeof(WCHAR))))
936 MultiByteToWideChar(CP_ACP, 0, nameA, -1, nameW, countW);
937 }
938 result = EDIT_WM_Create(hwnd, es, nameW);
939 if(nameW)
940 HeapFree(GetProcessHeap(), 0, nameW);
941 }
942 break;
943
944 case WM_CUT:
945 DPRINTF_EDIT_MSG32("WM_CUT");
946 EDIT_WM_Cut(hwnd, es);
947 break;
948
949 case WM_ENABLE:
950 DPRINTF_EDIT_MSG32("WM_ENABLE");
951 es->bEnableState = (BOOL) wParam;
952 EDIT_UpdateText(hwnd, es, NULL, TRUE);
953 break;
954
955 case WM_ERASEBKGND:
956 DPRINTF_EDIT_MSG32("WM_ERASEBKGND");
957 result = EDIT_WM_EraseBkGnd(hwnd, es, (HDC)wParam);
958 break;
959
960 case WM_GETFONT:
961 DPRINTF_EDIT_MSG32("WM_GETFONT");
962 result = (LRESULT)es->font;
963 break;
964
965 case WM_GETTEXT:
966 DPRINTF_EDIT_MSG32("WM_GETTEXT");
967 result = (LRESULT)EDIT_WM_GetText(es, (INT)wParam, lParam, unicode);
968 break;
969
970 case WM_GETTEXTLENGTH:
971 DPRINTF_EDIT_MSG32("WM_GETTEXTLENGTH");
972 result = strlenW(es->text);
973 break;
974
975 case WM_HSCROLL:
976 DPRINTF_EDIT_MSG32("WM_HSCROLL");
977 result = EDIT_WM_HScroll(hwnd, es, LOWORD(wParam), SHIWORD(wParam));
978 break;
979
980 case WM_KEYDOWN:
981 DPRINTF_EDIT_MSG32("WM_KEYDOWN");
982 result = EDIT_WM_KeyDown(hwnd, es, (INT)wParam);
983 break;
984
985 case WM_KILLFOCUS:
986 DPRINTF_EDIT_MSG32("WM_KILLFOCUS");
987 result = EDIT_WM_KillFocus(hwnd, es);
988 break;
989
990 case WM_LBUTTONDBLCLK:
991 DPRINTF_EDIT_MSG32("WM_LBUTTONDBLCLK");
992 result = EDIT_WM_LButtonDblClk(hwnd, es);
993 break;
994
995 case WM_LBUTTONDOWN:
996 DPRINTF_EDIT_MSG32("WM_LBUTTONDOWN");
997 result = EDIT_WM_LButtonDown(hwnd, es, (DWORD)wParam, SLOWORD(lParam), SHIWORD(lParam));
998 break;
999
1000 case WM_LBUTTONUP:
1001 DPRINTF_EDIT_MSG32("WM_LBUTTONUP");
1002 result = EDIT_WM_LButtonUp(hwnd, es);
1003 break;
1004
1005 case WM_MBUTTONDOWN:
1006 DPRINTF_EDIT_MSG32("WM_MBUTTONDOWN");
1007 result = EDIT_WM_MButtonDown(hwnd);
1008 break;
1009
1010 case WM_MOUSEACTIVATE:
1011 /*
1012 * FIXME: maybe DefWindowProc() screws up, but it seems that
1013 * modeless dialog boxes need this. If we don't do this, the focus
1014 * will _not_ be set by DefWindowProc() for edit controls in a
1015 * modeless dialog box ???
1016 */
1017 DPRINTF_EDIT_MSG32("WM_MOUSEACTIVATE");
1018 SetFocus(hwnd);
1019 result = MA_ACTIVATE;
1020 break;
1021
1022 case WM_MOUSEMOVE:
1023 /*
1024 * DPRINTF_EDIT_MSG32("WM_MOUSEMOVE");
1025 */
1026 result = EDIT_WM_MouseMove(hwnd, es, SLOWORD(lParam), SHIWORD(lParam));
1027 break;
1028
1029 case WM_PAINT:
1030 DPRINTF_EDIT_MSG32("WM_PAINT");
1031 EDIT_WM_Paint(hwnd, es, wParam);
1032 break;
1033
1034 case WM_PASTE:
1035 DPRINTF_EDIT_MSG32("WM_PASTE");
1036 EDIT_WM_Paste(hwnd, es);
1037 break;
1038
1039 case WM_SETFOCUS:
1040 DPRINTF_EDIT_MSG32("WM_SETFOCUS");
1041 EDIT_WM_SetFocus(hwnd, es);
1042 break;
1043
1044 case WM_SETFONT:
1045 DPRINTF_EDIT_MSG32("WM_SETFONT");
1046 EDIT_WM_SetFont(hwnd, es, (HFONT)wParam, LOWORD(lParam) != 0);
1047 break;
1048
1049 case WM_SETREDRAW:
1050 /* FIXME: actually set an internal flag and behave accordingly */
1051 break;
1052
1053 case WM_SETTEXT:
1054 DPRINTF_EDIT_MSG32("WM_SETTEXT");
1055 EDIT_WM_SetText(hwnd, es, lParam, unicode);
1056 result = TRUE;
1057 break;
1058
1059 case WM_SIZE:
1060 DPRINTF_EDIT_MSG32("WM_SIZE");
1061 EDIT_WM_Size(hwnd, es, (UINT)wParam, LOWORD(lParam), HIWORD(lParam));
1062 break;
1063
1064 case WM_STYLECHANGED:
1065 DPRINTF_EDIT_MSG32("WM_STYLECHANGED");
1066 result = EDIT_WM_StyleChanged (hwnd, es, wParam, (const STYLESTRUCT *)lParam);
1067 break;
1068
1069 case WM_STYLECHANGING:
1070 DPRINTF_EDIT_MSG32("WM_STYLECHANGING");
1071 result = 0; /* See EDIT_WM_StyleChanged */
1072 break;
1073
1074 case WM_SYSKEYDOWN:
1075 DPRINTF_EDIT_MSG32("WM_SYSKEYDOWN");
1076 result = EDIT_WM_SysKeyDown(hwnd, es, (INT)wParam, (DWORD)lParam);
1077 break;
1078
1079 case WM_TIMER:
1080 DPRINTF_EDIT_MSG32("WM_TIMER");
1081 EDIT_WM_Timer(hwnd, es);
1082 break;
1083
1084 case WM_VSCROLL:
1085 DPRINTF_EDIT_MSG32("WM_VSCROLL");
1086 result = EDIT_WM_VScroll(hwnd, es, LOWORD(wParam), SHIWORD(wParam));
1087 break;
1088
1089 case WM_MOUSEWHEEL:
1090 {
1091 int gcWheelDelta = 0;
1092 UINT pulScrollLines = 3;
1093 SystemParametersInfoW(SPI_GETWHEELSCROLLLINES,0, &pulScrollLines, 0);
1094
1095 if (wParam & (MK_SHIFT | MK_CONTROL)) {
1096 result = DefWindowProcW(hwnd, msg, wParam, lParam);
1097 break;
1098 }
1099 gcWheelDelta -= SHIWORD(wParam);
1100 if (abs(gcWheelDelta) >= WHEEL_DELTA && pulScrollLines)
1101 {
1102 int cLineScroll= (int) min((UINT) es->line_count, pulScrollLines);
1103 cLineScroll *= (gcWheelDelta / WHEEL_DELTA);
1104 result = EDIT_EM_LineScroll(hwnd, es, 0, cLineScroll);
1105 }
1106 }
1107 break;
1108 default:
1109 if(unicode)
1110 result = DefWindowProcW(hwnd, msg, wParam, lParam);
1111 else
1112 result = DefWindowProcA(hwnd, msg, wParam, lParam);
1113 break;
1114 }
1115 EDIT_UnlockBuffer(hwnd, es, FALSE);
1116 END:
1117 return result;
1118 }
1119
1120 /*********************************************************************
1121 *
1122 * EditWndProcW (USER32.@)
1123 */
1124 LRESULT WINAPI EditWndProcW(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
1125 {
1126 if (!IsWindow( hWnd )) return 0;
1127 return EditWndProc_common(hWnd, uMsg, wParam, lParam, TRUE);
1128 }
1129
1130 /*********************************************************************
1131 *
1132 * EditWndProc (USER32.@)
1133 */
1134 LRESULT WINAPI EditWndProcA(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
1135 {
1136 if (!IsWindow( hWnd )) return 0;
1137 return EditWndProc_common(hWnd, uMsg, wParam, lParam, FALSE);
1138 }
1139
1140 /*********************************************************************
1141 *
1142 * EDIT_BuildLineDefs_ML
1143 *
1144 * Build linked list of text lines.
1145 * Lines can end with '\0' (last line), a character (if it is wrapped),
1146 * a soft return '\r\r\n' or a hard return '\r\n'
1147 *
1148 */
1149 static void EDIT_BuildLineDefs_ML(HWND hwnd, EDITSTATE *es, INT istart, INT iend, INT delta, HRGN hrgn)
1150 {
1151 HDC dc;
1152 HFONT old_font = 0;
1153 LPWSTR current_position, cp;
1154 INT fw;
1155 LINEDEF *current_line;
1156 LINEDEF *previous_line;
1157 LINEDEF *start_line;
1158 INT line_index = 0, nstart_line = 0, nstart_index = 0;
1159 INT line_count = es->line_count;
1160 INT orig_net_length;
1161 RECT rc;
1162
1163 if (istart == iend && delta == 0)
1164 return;
1165
1166 dc = GetDC(hwnd);
1167 if (es->font)
1168 old_font = SelectObject(dc, es->font);
1169
1170 previous_line = NULL;
1171 current_line = es->first_line_def;
1172
1173 /* Find starting line. istart must lie inside an existing line or
1174 * at the end of buffer */
1175 do {
1176 if (istart < current_line->index + current_line->length ||
1177 current_line->ending == END_0)
1178 break;
1179
1180 previous_line = current_line;
1181 current_line = current_line->next;
1182 line_index++;
1183 } while (current_line);
1184
1185 if (!current_line) /* Error occurred start is not inside previous buffer */
1186 {
1187 FIXME(" modification occurred outside buffer\n");
1188 return;
1189 }
1190
1191 /* Remember start of modifications in order to calculate update region */
1192 nstart_line = line_index;
1193 nstart_index = current_line->index;
1194
1195 /* We must start to reformat from the previous line since the modifications
1196 * may have caused the line to wrap upwards. */
1197 if (!(es->style & ES_AUTOHSCROLL) && line_index > 0)
1198 {
1199 line_index--;
1200 current_line = previous_line;
1201 }
1202 start_line = current_line;
1203
1204 fw = es->format_rect.right - es->format_rect.left;
1205 current_position = es->text + current_line->index;
1206 do {
1207 if (current_line != start_line)
1208 {
1209 if (!current_line || current_line->index + delta > current_position - es->text)
1210 {
1211 /* The buffer has been expanded, create a new line and
1212 insert it into the link list */
1213 LINEDEF *new_line = HeapAlloc(GetProcessHeap(), 0, sizeof(LINEDEF));
1214 new_line->next = previous_line->next;
1215 previous_line->next = new_line;
1216 current_line = new_line;
1217 es->line_count++;
1218 }
1219 else if (current_line->index + delta < current_position - es->text)
1220 {
1221 /* The previous line merged with this line so we delete this extra entry */
1222 previous_line->next = current_line->next;
1223 HeapFree(GetProcessHeap(), 0, current_line);
1224 current_line = previous_line->next;
1225 es->line_count--;
1226 continue;
1227 }
1228 else /* current_line->index + delta == current_position */
1229 {
1230 if (current_position - es->text > iend)
1231 break; /* We reached end of line modifications */
1232 /* else recalulate this line */
1233 }
1234 }
1235
1236 current_line->index = current_position - es->text;
1237 orig_net_length = current_line->net_length;
1238
1239 /* Find end of line */
1240 cp = current_position;
1241 while (*cp) {
1242 if (*cp == '\n') break;
1243 if ((*cp == '\r') && (*(cp + 1) == '\n'))
1244 break;
1245 cp++;
1246 }
1247
1248 /* Mark type of line termination */
1249 if (!(*cp)) {
1250 current_line->ending = END_0;
1251 current_line->net_length = strlenW(current_position);
1252 } else if ((cp > current_position) && (*(cp - 1) == '\r')) {
1253 current_line->ending = END_SOFT;
1254 current_line->net_length = cp - current_position - 1;
1255 } else if (*cp == '\n') {
1256 current_line->ending = END_RICH;
1257 current_line->net_length = cp - current_position;
1258 } else {
1259 current_line->ending = END_HARD;
1260 current_line->net_length = cp - current_position;
1261 }
1262
1263 /* Calculate line width */
1264 current_line->width = (INT)LOWORD(GetTabbedTextExtentW(dc,
1265 current_position, current_line->net_length,
1266 es->tabs_count, es->tabs));
1267
1268 /* FIXME: check here for lines that are too wide even in AUTOHSCROLL (> 32767 ???) */
1269 if ((!(es->style & ES_AUTOHSCROLL)) && (current_line->width > fw)) {
1270 INT next = 0;
1271 INT prev;
1272 do {
1273 prev = next;
1274 next = EDIT_CallWordBreakProc(es, current_position - es->text,
1275 prev + 1, current_line->net_length, WB_RIGHT);
1276 current_line->width = (INT)LOWORD(GetTabbedTextExtentW(dc,
1277 current_position, next, es->tabs_count, es->tabs));
1278 } while (current_line->width <= fw);
1279 if (!prev) { /* Didn't find a line break so force a break */
1280 next = 0;
1281 do {
1282 prev = next;
1283 next++;
1284 current_line->width = (INT)LOWORD(GetTabbedTextExtentW(dc,
1285 current_position, next, es->tabs_count, es->tabs));
1286 } while (current_line->width <= fw);
1287 if (!prev)
1288 prev = 1;
1289 }
1290
1291 /* If the first line we are calculating, wrapped before istart, we must
1292 * adjust istart in order for this to be reflected in the update region. */
1293 if (current_line->index == nstart_index && istart > current_line->index + prev)
1294 istart = current_line->index + prev;
1295 /* else if we are updating the previous line before the first line we
1296 * are re-calculating and it expanded */
1297 else if (current_line == start_line &&
1298 current_line->index != nstart_index && orig_net_length < prev)
1299 {
1300 /* Line expanded due to an upwards line wrap so we must partially include
1301 * previous line in update region */
1302 nstart_line = line_index;
1303 nstart_index = current_line->index;
1304 istart = current_line->index + orig_net_length;
1305 }
1306
1307 current_line->net_length = prev;
1308 current_line->ending = END_WRAP;
1309 current_line->width = (INT)LOWORD(GetTabbedTextExtentW(dc, current_position,
1310 current_line->net_length, es->tabs_count, es->tabs));
1311 }
1312
1313
1314 /* Adjust length to include line termination */
1315 switch (current_line->ending) {
1316 case END_SOFT:
1317 current_line->length = current_line->net_length + 3;
1318 break;
1319 case END_RICH:
1320 current_line->length = current_line->net_length + 1;
1321 break;
1322 case END_HARD:
1323 current_line->length = current_line->net_length + 2;
1324 break;
1325 case END_WRAP:
1326 case END_0:
1327 current_line->length = current_line->net_length;
1328 break;
1329 }
1330 es->text_width = max(es->text_width, current_line->width);
1331 current_position += current_line->length;
1332 previous_line = current_line;
1333 current_line = current_line->next;
1334 line_index++;
1335 } while (previous_line->ending != END_0);
1336
1337 /* Finish adjusting line indexes by delta or remove hanging lines */
1338 if (previous_line->ending == END_0)
1339 {
1340 LINEDEF *pnext = NULL;
1341
1342 previous_line->next = NULL;
1343 while (current_line)
1344 {
1345 pnext = current_line->next;
1346 HeapFree(GetProcessHeap(), 0, current_line);
1347 current_line = pnext;
1348 es->line_count--;
1349 }
1350 }
1351 else
1352 {
1353 while (current_line)
1354 {
1355 current_line->index += delta;
1356 current_line = current_line->next;
1357 }
1358 }
1359
1360 /* Calculate rest of modification rectangle */
1361 if (hrgn)
1362 {
1363 HRGN tmphrgn;
1364 /*
1365 * We calculate two rectangles. One for the first line which may have
1366 * an indent with respect to the format rect. The other is a format-width
1367 * rectangle that spans the rest of the lines that changed or moved.
1368 */
1369 rc.top = es->format_rect.top + nstart_line * es->line_height -
1370 (es->y_offset * es->line_height); /* Adjust for vertical scrollbar */
1371 rc.bottom = rc.top + es->line_height;
1372 rc.left = es->format_rect.left + (INT)LOWORD(GetTabbedTextExtentW(dc,
1373 es->text + nstart_index, istart - nstart_index,
1374 es->tabs_count, es->tabs)) - es->x_offset; /* Adjust for horz scroll */
1375 rc.right = es->format_rect.right;
1376 SetRectRgn(hrgn, rc.left, rc.top, rc.right, rc.bottom);
1377
1378 rc.top = rc.bottom;
1379 rc.left = es->format_rect.left;
1380 rc.right = es->format_rect.right;
1381 /*
1382 * If lines were added or removed we must re-paint the remainder of the
1383 * lines since the remaining lines were either shifted up or down.
1384 */
1385 if (line_count < es->line_count) /* We added lines */
1386 rc.bottom = es->line_count * es->line_height;
1387 else if (line_count > es->line_count) /* We removed lines */
1388 rc.bottom = line_count * es->line_height;
1389 else
1390 rc.bottom = line_index * es->line_height;
1391 rc.bottom -= (es->y_offset * es->line_height); /* Adjust for vertical scrollbar */
1392 tmphrgn = CreateRectRgn(rc.left, rc.top, rc.right, rc.bottom);
1393 CombineRgn(hrgn, hrgn, tmphrgn, RGN_OR);
1394 DeleteObject(tmphrgn);
1395 }
1396
1397 if (es->font)
1398 SelectObject(dc, old_font);
1399
1400 ReleaseDC(hwnd, dc);
1401 }
1402
1403 /*********************************************************************
1404 *
1405 * EDIT_CalcLineWidth_SL
1406 *
1407 */
1408 static void EDIT_CalcLineWidth_SL(HWND hwnd, EDITSTATE *es)
1409 {
1410 es->text_width = SLOWORD(EDIT_EM_PosFromChar(hwnd, es, strlenW(es->text), FALSE));
1411 }
1412
1413 /*********************************************************************
1414 *
1415 * EDIT_CallWordBreakProc
1416 *
1417 * Call appropriate WordBreakProc (internal or external).
1418 *
1419 * Note: The "start" argument should always be an index referring
1420 * to es->text. The actual wordbreak proc might be
1421 * 16 bit, so we can't always pass any 32 bit LPSTR.
1422 * Hence we assume that es->text is the buffer that holds
1423 * the string under examination (we can decide this for ourselves).
1424 *
1425 */
1426 /* ### start build ### */
1427 extern WORD CALLBACK EDIT_CallTo16_word_lwww(EDITWORDBREAKPROC16,SEGPTR,WORD,WORD,WORD);
1428 /* ### stop build ### */
1429 static INT EDIT_CallWordBreakProc(EDITSTATE *es, INT start, INT index, INT count, INT action)
1430 {
1431 INT ret, iWndsLocks;
1432
1433 /* To avoid any deadlocks, all the locks on the window structures
1434 must be suspended before the control is passed to the application */
1435 iWndsLocks = WIN_SuspendWndsLock();
1436
1437 if (es->word_break_proc16) {
1438 HGLOBAL16 hglob16;
1439 SEGPTR segptr;
1440 INT countA;
1441
1442 countA = WideCharToMultiByte(CP_ACP, 0, es->text + start, count, NULL, 0, NULL, NULL);
1443 hglob16 = GlobalAlloc16(GMEM_MOVEABLE | GMEM_ZEROINIT, countA);
1444 segptr = K32WOWGlobalLock16(hglob16);
1445 WideCharToMultiByte(CP_ACP, 0, es->text + start, count, MapSL(segptr), countA, NULL, NULL);
1446 ret = (INT)EDIT_CallTo16_word_lwww(es->word_break_proc16,
1447 segptr, index, countA, action);
1448 GlobalUnlock16(hglob16);
1449 GlobalFree16(hglob16);
1450 }
1451 else if (es->word_break_proc)
1452 {
1453 if(es->is_unicode)
1454 {
1455 EDITWORDBREAKPROCW wbpW = (EDITWORDBREAKPROCW)es->word_break_proc;
1456
1457 TRACE_(relay)("(UNICODE wordbrk=%p,str=%s,idx=%d,cnt=%d,act=%d)\n",
1458 es->word_break_proc, debugstr_wn(es->text + start, count), index, count, action);
1459 ret = wbpW(es->text + start, index, count, action);
1460 }
1461 else
1462 {
1463 EDITWORDBREAKPROCA wbpA = (EDITWORDBREAKPROCA)es->word_break_proc;
1464 INT countA;
1465 CHAR *textA;
1466
1467 countA = WideCharToMultiByte(CP_ACP, 0, es->text + start, count, NULL, 0, NULL, NULL);
1468 textA = HeapAlloc(GetProcessHeap(), 0, countA);
1469 WideCharToMultiByte(CP_ACP, 0, es->text + start, count, textA, countA, NULL, NULL);
1470 TRACE_(relay)("(ANSI wordbrk=%p,str=%s,idx=%d,cnt=%d,act=%d)\n",
1471 es->word_break_proc, debugstr_an(textA, countA), index, countA, action);
1472 ret = wbpA(textA, index, countA, action);
1473 HeapFree(GetProcessHeap(), 0, textA);
1474 }
1475 }
1476 else
1477 ret = EDIT_WordBreakProc(es->text + start, index, count, action);
1478
1479 WIN_RestoreWndsLock(iWndsLocks);
1480 return ret;
1481 }
1482
1483
1484 /*********************************************************************
1485 *
1486 * EDIT_CharFromPos
1487 *
1488 * Beware: This is not the function called on EM_CHARFROMPOS
1489 * The position _can_ be outside the formatting / client
1490 * rectangle
1491 * The return value is only the character index
1492 *
1493 */
1494 static INT EDIT_CharFromPos(HWND hwnd, EDITSTATE *es, INT x, INT y, LPBOOL after_wrap)
1495 {
1496 INT index;
1497 HDC dc;
1498 HFONT old_font = 0;
1499
1500 if (es->style & ES_MULTILINE) {
1501 INT line = (y - es->format_rect.top) / es->line_height + es->y_offset;
1502 INT line_index = 0;
1503 LINEDEF *line_def = es->first_line_def;
1504 INT low, high;
1505 while ((line > 0) && line_def->next) {
1506 line_index += line_def->length;
1507 line_def = line_def->next;
1508 line--;
1509 }
1510 x += es->x_offset - es->format_rect.left;
1511 if (x >= line_def->width) {
1512 if (after_wrap)
1513 *after_wrap = (line_def->ending == END_WRAP);
1514 return line_index + line_def->net_length;
1515 }
1516 if (x <= 0) {
1517 if (after_wrap)
1518 *after_wrap = FALSE;
1519 return line_index;
1520 }
1521 dc = GetDC(hwnd);
1522 if (es->font)
1523 old_font = SelectObject(dc, es->font);
1524 low = line_index + 1;
1525 high = line_index + line_def->net_length + 1;
1526 while (low < high - 1)
1527 {
1528 INT mid = (low + high) / 2;
1529 if (LOWORD(GetTabbedTextExtentW(dc, es->text + line_index,mid - line_index, es->tabs_count, es->tabs)) > x) high = mid;
1530 else low = mid;
1531 }
1532 index = low;
1533
1534 if (after_wrap)
1535 *after_wrap = ((index == line_index + line_def->net_length) &&
1536 (line_def->ending == END_WRAP));
1537 } else {
1538 LPWSTR text;
1539 SIZE size;
1540 if (after_wrap)
1541 *after_wrap = FALSE;
1542 x -= es->format_rect.left;
1543 if (!x)
1544 return es->x_offset;
1545 text = EDIT_GetPasswordPointer_SL(es);
1546 dc = GetDC(hwnd);
1547 if (es->font)
1548 old_font = SelectObject(dc, es->font);
1549 if (x < 0)
1550 {
1551 INT low = 0;
1552 INT high = es->x_offset;
1553 while (low < high - 1)
1554 {
1555 INT mid = (low + high) / 2;
1556 GetTextExtentPoint32W( dc, text + mid,
1557 es->x_offset - mid, &size );
1558 if (size.cx > -x) low = mid;
1559 else high = mid;
1560 }
1561 index = low;
1562 }
1563 else
1564 {
1565 INT low = es->x_offset;
1566 INT high = strlenW(es->text) + 1;
1567 while (low < high - 1)
1568 {
1569 INT mid = (low + high) / 2;
1570 GetTextExtentPoint32W( dc, text + es->x_offset,
1571 mid - es->x_offset, &size );
1572 if (size.cx > x) high = mid;
1573 else low = mid;
1574 }
1575 index = low;
1576 }
1577 if (es->style & ES_PASSWORD)
1578 HeapFree(GetProcessHeap(), 0, text);
1579 }
1580 if (es->font)
1581 SelectObject(dc, old_font);
1582 ReleaseDC(hwnd, dc);
1583 return index;
1584 }
1585
1586
1587 /*********************************************************************
1588 *
1589 * EDIT_ConfinePoint
1590 *
1591 * adjusts the point to be within the formatting rectangle
1592 * (so CharFromPos returns the nearest _visible_ character)
1593 *
1594 */
1595 static void EDIT_ConfinePoint(EDITSTATE *es, LPINT x, LPINT y)
1596 {
1597 *x = min(max(*x, es->format_rect.left), es->format_rect.right - 1);
1598 *y = min(max(*y, es->format_rect.top), es->format_rect.bottom - 1);
1599 }
1600
1601
1602 /*********************************************************************
1603 *
1604 * EDIT_GetLineRect
1605 *
1606 * Calculates the bounding rectangle for a line from a starting
1607 * column to an ending column.
1608 *
1609 */
1610 static void EDIT_GetLineRect(HWND hwnd, EDITSTATE *es, INT line, INT scol, INT ecol, LPRECT rc)
1611 {
1612 INT line_index = EDIT_EM_LineIndex(es, line);
1613
1614 if (es->style & ES_MULTILINE)
1615 rc->top = es->format_rect.top + (line - es->y_offset) * es->line_height;
1616 else
1617 rc->top = es->format_rect.top;
1618 rc->bottom = rc->top + es->line_height;
1619 rc->left = (scol == 0) ? es->format_rect.left : SLOWORD(EDIT_EM_PosFromChar(hwnd, es, line_index + scol, TRUE));
1620 rc->right = (ecol == -1) ? es->format_rect.right : SLOWORD(EDIT_EM_PosFromChar(hwnd, es, line_index + ecol, TRUE));
1621 }
1622
1623
1624 /*********************************************************************
1625 *
1626 * EDIT_GetPasswordPointer_SL
1627 *
1628 * note: caller should free the (optionally) allocated buffer
1629 *
1630 */
1631 static LPWSTR EDIT_GetPasswordPointer_SL(EDITSTATE *es)
1632 {
1633 if (es->style & ES_PASSWORD) {
1634 INT len = strlenW(es->text);
1635 LPWSTR text = HeapAlloc(GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR));
1636 text[len] = '\0';
1637 while(len) text[--len] = es->password_char;
1638 return text;
1639 } else
1640 return es->text;
1641 }
1642
1643
1644 /*********************************************************************
1645 *
1646 * EDIT_LockBuffer
1647 *
1648 * This acts as a LOCAL_Lock(), but it locks only once. This way
1649 * you can call it whenever you like, without unlocking.
1650 *
1651 */
1652 static void EDIT_LockBuffer(HWND hwnd, EDITSTATE *es)
1653 {
1654 HINSTANCE hInstance = GetWindowLongA( hwnd, GWL_HINSTANCE );
1655 if (!es) {
1656 ERR("no EDITSTATE ... please report\n");
1657 return;
1658 }
1659 if (!es->text) {
1660 CHAR *textA = NULL;
1661 UINT countA = 0;
1662 BOOL _16bit = FALSE;
1663
1664 if(es->hloc32W)
1665 {
1666 if(es->hloc32A)
1667 {
1668 TRACE("Synchronizing with 32-bit ANSI buffer\n");
1669 textA = LocalLock(es->hloc32A);
1670 countA = strlen(textA) + 1;
1671 }
1672 else if(es->hloc16)
1673 {
1674 TRACE("Synchronizing with 16-bit ANSI buffer\n");
1675 textA = LOCAL_Lock(hInstance, es->hloc16);
1676 countA = strlen(textA) + 1;
1677 _16bit = TRUE;
1678 }
1679 }
1680 else {
1681 ERR("no buffer ... please report\n");
1682 return;
1683 }
1684
1685 if(textA)
1686 {
1687 HLOCAL hloc32W_new;
1688 UINT countW_new = MultiByteToWideChar(CP_ACP, 0, textA, countA, NULL, 0);
1689 TRACE("%d bytes translated to %d WCHARs\n", countA, countW_new);
1690 if(countW_new > es->buffer_size + 1)
1691 {
1692 UINT alloc_size = ROUND_TO_GROW(countW_new * sizeof(WCHAR));
1693 TRACE("Resizing 32-bit UNICODE buffer from %d+1 to %d WCHARs\n", es->buffer_size, countW_new);
1694 hloc32W_new = LocalReAlloc(es->hloc32W, alloc_size, LMEM_MOVEABLE | LMEM_ZEROINIT);
1695 if(hloc32W_new)
1696 {
1697 es->hloc32W = hloc32W_new;
1698 es->buffer_size = LocalSize(hloc32W_new)/sizeof(WCHAR) - 1;
1699 TRACE("Real new size %d+1 WCHARs\n", es->buffer_size);
1700 }
1701 else
1702 WARN("FAILED! Will synchronize partially\n");
1703 }
1704 }
1705
1706 /*TRACE("Locking 32-bit UNICODE buffer\n");*/
1707 es->text = LocalLock(es->hloc32W);
1708
1709 if(textA)
1710 {
1711 MultiByteToWideChar(CP_ACP, 0, textA, countA, es->text, es->buffer_size + 1);
1712 if(_16bit)
1713 LOCAL_Unlock(hInstance, es->hloc16);
1714 else
1715 LocalUnlock(es->hloc32A);
1716 }
1717 }
1718 es->lock_count++;
1719 }
1720
1721
1722 /*********************************************************************
1723 *
1724 * EDIT_SL_InvalidateText
1725 *
1726 * Called from EDIT_InvalidateText().
1727 * Does the job for single-line controls only.
1728 *
1729 */
1730 static void EDIT_SL_InvalidateText(HWND hwnd, EDITSTATE *es, INT start, INT end)
1731 {
1732 RECT line_rect;
1733 RECT rc;
1734
1735 EDIT_GetLineRect(hwnd, es, 0, start, end, &line_rect);
1736 if (IntersectRect(&rc, &line_rect, &es->format_rect))
1737 EDIT_UpdateText(hwnd, es, &rc, FALSE);
1738 }
1739
1740
1741 /*********************************************************************
1742 *
1743 * EDIT_ML_InvalidateText
1744 *
1745 * Called from EDIT_InvalidateText().
1746 * Does the job for multi-line controls only.
1747 *
1748 */
1749 static void EDIT_ML_InvalidateText(HWND hwnd, EDITSTATE *es, INT start, INT end)
1750 {
1751 INT vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
1752 INT sl = EDIT_EM_LineFromChar(es, start);
1753 INT el = EDIT_EM_LineFromChar(es, end);
1754 INT sc;
1755 INT ec;
1756 RECT rc1;
1757 RECT rcWnd;
1758 RECT rcLine;
1759 RECT rcUpdate;
1760 INT l;
1761
1762 if ((el < es->y_offset) || (sl > es->y_offset + vlc))
1763 return;
1764
1765 sc = start - EDIT_EM_LineIndex(es, sl);
1766 ec = end - EDIT_EM_LineIndex(es, el);
1767 if (sl < es->y_offset) {
1768 sl = es->y_offset;
1769 sc = 0;
1770 }
1771 if (el > es->y_offset + vlc) {
1772 el = es->y_offset + vlc;
1773 ec = EDIT_EM_LineLength(es, EDIT_EM_LineIndex(es, el));
1774 }
1775 GetClientRect(hwnd, &rc1);
1776 IntersectRect(&rcWnd, &rc1, &es->format_rect);
1777 if (sl == el) {
1778 EDIT_GetLineRect(hwnd, es, sl, sc, ec, &rcLine);
1779 if (IntersectRect(&rcUpdate, &rcWnd, &rcLine))
1780 EDIT_UpdateText(hwnd, es, &rcUpdate, FALSE);
1781 } else {
1782 EDIT_GetLineRect(hwnd, es, sl, sc,
1783 EDIT_EM_LineLength(es,
1784 EDIT_EM_LineIndex(es, sl)),
1785 &rcLine);
1786 if (IntersectRect(&rcUpdate, &rcWnd, &rcLine))
1787 EDIT_UpdateText(hwnd, es, &rcUpdate, FALSE);
1788 for (l = sl + 1 ; l < el ; l++) {
1789 EDIT_GetLineRect(hwnd, es, l, 0,
1790 EDIT_EM_LineLength(es,
1791 EDIT_EM_LineIndex(es, l)),
1792 &rcLine);
1793 if (IntersectRect(&rcUpdate, &rcWnd, &rcLine))
1794 EDIT_UpdateText(hwnd, es, &rcUpdate, FALSE);
1795 }
1796 EDIT_GetLineRect(hwnd, es, el, 0, ec, &rcLine);
1797 if (IntersectRect(&rcUpdate, &rcWnd, &rcLine))
1798 EDIT_UpdateText(hwnd, es, &rcUpdate, FALSE);
1799 }
1800 }
1801
1802
1803 /*********************************************************************
1804 *
1805 * EDIT_InvalidateText
1806 *
1807 * Invalidate the text from offset start upto, but not including,
1808 * offset end. Useful for (re)painting the selection.
1809 * Regions outside the linewidth are not invalidated.
1810 * end == -1 means end == TextLength.
1811 * start and end need not be ordered.
1812 *
1813 */
1814 static void EDIT_InvalidateText(HWND hwnd, EDITSTATE *es, INT start, INT end)
1815 {
1816 if (end == start)
1817 return;
1818
1819 if (end == -1)
1820 end = strlenW(es->text);
1821
1822 ORDER_INT(start, end);
1823
1824 if (es->style & ES_MULTILINE)
1825 EDIT_ML_InvalidateText(hwnd, es, start, end);
1826 else
1827 EDIT_SL_InvalidateText(hwnd, es, start, end);
1828 }
1829
1830
1831 /*********************************************************************
1832 *
1833 * EDIT_MakeFit
1834 *
1835 * Try to fit size + 1 characters in the buffer. Constrain to limits.
1836 *
1837 */
1838 static BOOL EDIT_MakeFit(HWND hwnd, EDITSTATE *es, UINT size)
1839 {
1840 HLOCAL hNew32W;
1841
1842 if (size <= es->buffer_size)
1843 return TRUE;
1844 if (size > es->buffer_limit) {
1845 EDIT_NOTIFY_PARENT(hwnd, es, EN_MAXTEXT, "EN_MAXTEXT");
1846 return FALSE;
1847 }
1848 if (size > es->buffer_limit)
1849 size = es->buffer_limit;
1850
1851 TRACE("trying to ReAlloc to %d+1 characters\n", size);
1852
1853 /* Force edit to unlock it's buffer. es->text now NULL */
1854 EDIT_UnlockBuffer(hwnd, es, TRUE);
1855
1856 if (es->hloc32W) {
1857 UINT alloc_size = ROUND_TO_GROW((size + 1) * sizeof(WCHAR));
1858 if ((hNew32W = LocalReAlloc(es->hloc32W, alloc_size, LMEM_MOVEABLE | LMEM_ZEROINIT))) {
1859 TRACE("Old 32 bit handle %08x, new handle %08x\n", es->hloc32W, hNew32W);
1860 es->hloc32W = hNew32W;
1861 es->buffer_size = LocalSize(hNew32W)/sizeof(WCHAR) - 1;
1862 }
1863 }
1864
1865 EDIT_LockBuffer(hwnd, es);
1866
1867 if (es->buffer_size < size) {
1868 WARN("FAILED ! We now have %d+1\n", es->buffer_size);
1869 EDIT_NOTIFY_PARENT(hwnd, es, EN_ERRSPACE, "EN_ERRSPACE");
1870 return FALSE;
1871 } else {
1872 TRACE("We now have %d+1\n", es->buffer_size);
1873 return TRUE;
1874 }
1875 }
1876
1877
1878 /*********************************************************************
1879 *
1880 * EDIT_MakeUndoFit
1881 *
1882 * Try to fit size + 1 bytes in the undo buffer.
1883 *
1884 */
1885 static BOOL EDIT_MakeUndoFit(EDITSTATE *es, UINT size)
1886 {
1887 UINT alloc_size;
1888
1889 if (size <= es->undo_buffer_size)
1890 return TRUE;
1891
1892 TRACE("trying to ReAlloc to %d+1\n", size);
1893
1894 alloc_size = ROUND_TO_GROW((size + 1) * sizeof(WCHAR));
1895 if ((es->undo_text = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, es->undo_text, alloc_size))) {
1896 es->undo_buffer_size = alloc_size/sizeof(WCHAR);
1897 return TRUE;
1898 }
1899 else
1900 {
1901 WARN("FAILED ! We now have %d+1\n", es->undo_buffer_size);
1902 return FALSE;
1903 }
1904 }
1905
1906
1907 /*********************************************************************
1908 *
1909 * EDIT_MoveBackward
1910 *
1911 */
1912 static void EDIT_MoveBackward(HWND hwnd, EDITSTATE *es, BOOL extend)
1913 {
1914 INT e = es->selection_end;
1915
1916 if (e) {
1917 e--;
1918 if ((es->style & ES_MULTILINE) && e &&
1919 (es->text[e - 1] == '\r') && (es->text[e] == '\n')) {
1920 e--;
1921 if (e && (es->text[e - 1] == '\r'))
1922 e--;
1923 }
1924 }
1925 EDIT_EM_SetSel(hwnd, es, extend ? es->selection_start : e, e, FALSE);
1926 EDIT_EM_ScrollCaret(hwnd, es);
1927 }
1928
1929
1930 /*********************************************************************
1931 *
1932 * EDIT_MoveDown_ML
1933 *
1934 * Only for multi line controls
1935 * Move the caret one line down, on a column with the nearest
1936 * x coordinate on the screen (might be a different column).
1937 *
1938 */
1939 static void EDIT_MoveDown_ML(HWND hwnd, EDITSTATE *es, BOOL extend)
1940 {
1941 INT s = es->selection_start;
1942 INT e = es->selection_end;
1943 BOOL after_wrap = (es->flags & EF_AFTER_WRAP);
1944 LRESULT pos = EDIT_EM_PosFromChar(hwnd, es, e, after_wrap);
1945 INT x = SLOWORD(pos);
1946 INT y = SHIWORD(pos);
1947
1948 e = EDIT_CharFromPos(hwnd, es, x, y + es->line_height, &after_wrap);
1949 if (!extend)
1950 s = e;
1951 EDIT_EM_SetSel(hwnd, es, s, e, after_wrap);
1952 EDIT_EM_ScrollCaret(hwnd, es);
1953 }
1954
1955
1956 /*********************************************************************
1957 *
1958 * EDIT_MoveEnd
1959 *
1960 */
1961 static void EDIT_MoveEnd(HWND hwnd, EDITSTATE *es, BOOL extend)
1962 {
1963 BOOL after_wrap = FALSE;
1964 INT e;
1965
1966 /* Pass a high value in x to make sure of receiving the end of the line */
1967 if (es->style & ES_MULTILINE)
1968 e = EDIT_CharFromPos(hwnd, es, 0x3fffffff,
1969 HIWORD(EDIT_EM_PosFromChar(hwnd, es, es->selection_end, es->flags & EF_AFTER_WRAP)), &after_wrap);
1970 else
1971 e = strlenW(es->text);
1972 EDIT_EM_SetSel(hwnd, es, extend ? es->selection_start : e, e, after_wrap);
1973 EDIT_EM_ScrollCaret(hwnd, es);
1974 }
1975
1976
1977 /*********************************************************************
1978 *
1979 * EDIT_MoveForward
1980 *
1981 */
1982 static void EDIT_MoveForward(HWND hwnd, EDITSTATE *es, BOOL extend)
1983 {
1984 INT e = es->selection_end;
1985
1986 if (es->text[e]) {
1987 e++;
1988 if ((es->style & ES_MULTILINE) && (es->text[e - 1] == '\r')) {
1989 if (es->text[e] == '\n')
1990 e++;
1991 else if ((es->text[e] == '\r') && (es->text[e + 1] == '\n'))
1992 e += 2;
1993 }
1994 }
1995 EDIT_EM_SetSel(hwnd, es, extend ? es->selection_start : e, e, FALSE);
1996 EDIT_EM_ScrollCaret(hwnd, es);
1997 }
1998
1999
2000 /*********************************************************************
2001 *
2002 * EDIT_MoveHome
2003 *
2004 * Home key: move to beginning of line.
2005 *
2006 */
2007 static void EDIT_MoveHome(HWND hwnd, EDITSTATE *es, BOOL extend)
2008 {
2009 INT e;
2010
2011 /* Pass the x_offset in x to make sure of receiving the first position of the line */
2012 if (es->style & ES_MULTILINE)
2013 e = EDIT_CharFromPos(hwnd, es, -es->x_offset,
2014 HIWORD(EDIT_EM_PosFromChar(hwnd, es, es->selection_end, es->flags & EF_AFTER_WRAP)), NULL);
2015 else
2016 e = 0;
2017 EDIT_EM_SetSel(hwnd, es, extend ? es->selection_start : e, e, FALSE);
2018 EDIT_EM_ScrollCaret(hwnd, es);
2019 }
2020
2021
2022 /*********************************************************************
2023 *
2024 * EDIT_MovePageDown_ML
2025 *
2026 * Only for multi line controls
2027 * Move the caret one page down, on a column with the nearest
2028 * x coordinate on the screen (might be a different column).
2029 *
2030 */
2031 static void EDIT_MovePageDown_ML(HWND hwnd, EDITSTATE *es, BOOL extend)
2032 {
2033 INT s = es->selection_start;
2034 INT e = es->selection_end;
2035 BOOL after_wrap = (es->flags & EF_AFTER_WRAP);
2036 LRESULT pos = EDIT_EM_PosFromChar(hwnd, es, e, after_wrap);
2037 INT x = SLOWORD(pos);
2038 INT y = SHIWORD(pos);
2039
2040 e = EDIT_CharFromPos(hwnd, es, x,
2041 y + (es->format_rect.bottom - es->format_rect.top),
2042 &after_wrap);
2043 if (!extend)
2044 s = e;
2045 EDIT_EM_SetSel(hwnd, es, s, e, after_wrap);
2046 EDIT_EM_ScrollCaret(hwnd, es);
2047 }
2048
2049
2050 /*********************************************************************
2051 *
2052 * EDIT_MovePageUp_ML
2053 *
2054 * Only for multi line controls
2055 * Move the caret one page up, on a column with the nearest
2056 * x coordinate on the screen (might be a different column).
2057 *
2058 */
2059 static void EDIT_MovePageUp_ML(HWND hwnd, EDITSTATE *es, BOOL extend)
2060 {
2061 INT s = es->selection_start;
2062 INT e = es->selection_end;
2063 BOOL after_wrap = (es->flags & EF_AFTER_WRAP);
2064 LRESULT pos = EDIT_EM_PosFromChar(hwnd, es, e, after_wrap);
2065 INT x = SLOWORD(pos);
2066 INT y = SHIWORD(pos);
2067
2068 e = EDIT_CharFromPos(hwnd, es, x,
2069 y - (es->format_rect.bottom - es->format_rect.top),
2070 &after_wrap);
2071 if (!extend)
2072 s = e;
2073 EDIT_EM_SetSel(hwnd, es, s, e, after_wrap);
2074 EDIT_EM_ScrollCaret(hwnd, es);
2075 }
2076
2077
2078 /*********************************************************************
2079 *
2080 * EDIT_MoveUp_ML
2081 *
2082 * Only for multi line controls
2083 * Move the caret one line up, on a column with the nearest
2084 * x coordinate on the screen (might be a different column).
2085 *
2086 */
2087 static void EDIT_MoveUp_ML(HWND hwnd, EDITSTATE *es, BOOL extend)
2088 {
2089 INT s = es->selection_start;
2090 INT e = es->selection_end;
2091 BOOL after_wrap = (es->flags & EF_AFTER_WRAP);
2092 LRESULT pos = EDIT_EM_PosFromChar(hwnd, es, e, after_wrap);
2093 INT x = SLOWORD(pos);
2094 INT y = SHIWORD(pos);
2095
2096 e = EDIT_CharFromPos(hwnd, es, x, y - es->line_height, &after_wrap);
2097 if (!extend)
2098 s = e;
2099 EDIT_EM_SetSel(hwnd, es, s, e, after_wrap);
2100 EDIT_EM_ScrollCaret(hwnd, es);
2101 }
2102
2103
2104 /*********************************************************************
2105 *
2106 * EDIT_MoveWordBackward
2107 *
2108 */
2109 static void EDIT_MoveWordBackward(HWND hwnd, EDITSTATE *es, BOOL extend)
2110 {
2111 INT s = es->selection_start;
2112 INT e = es->selection_end;
2113 INT l;
2114 INT ll;
2115 INT li;
2116
2117 l = EDIT_EM_LineFromChar(es, e);
2118 ll = EDIT_EM_LineLength(es, e);
2119 li = EDIT_EM_LineIndex(es, l);
2120 if (e - li == 0) {
2121 if (l) {
2122 li = EDIT_EM_LineIndex(es, l - 1);
2123 e = li + EDIT_EM_LineLength(es, li);
2124 }
2125 } else {
2126 e = li + (INT)EDIT_CallWordBreakProc(es,
2127 li, e - li, ll, WB_LEFT);
2128 }
2129 if (!extend)
2130 s = e;
2131 EDIT_EM_SetSel(hwnd, es, s, e, FALSE);
2132 EDIT_EM_ScrollCaret(hwnd, es);
2133 }
2134
2135
2136 /*********************************************************************
2137 *
2138 * EDIT_MoveWordForward
2139 *
2140 */
2141 static void EDIT_MoveWordForward(HWND hwnd, EDITSTATE *es, BOOL extend)
2142 {
2143 INT s = es->selection_start;
2144 INT e = es->selection_end;
2145 INT l;
2146 INT ll;
2147 INT li;
2148
2149 l = EDIT_EM_LineFromChar(es, e);
2150 ll = EDIT_EM_LineLength(es, e);
2151 li = EDIT_EM_LineIndex(es, l);
2152 if (e - li == ll) {
2153 if ((es->style & ES_MULTILINE) && (l != es->line_count - 1))
2154 e = EDIT_EM_LineIndex(es, l + 1);
2155 } else {
2156 e = li + EDIT_CallWordBreakProc(es,
2157 li, e - li + 1, ll, WB_RIGHT);
2158 }
2159 if (!extend)
2160 s = e;
2161 EDIT_EM_SetSel(hwnd, es, s, e, FALSE);
2162 EDIT_EM_ScrollCaret(hwnd, es);
2163 }
2164
2165
2166 /*********************************************************************
2167 *
2168 * EDIT_PaintLine
2169 *
2170 */
2171 static void EDIT_PaintLine(HWND hwnd, EDITSTATE *es, HDC dc, INT line, BOOL rev)
2172 {
2173 INT s = es->selection_start;
2174 INT e = es->selection_end;
2175 INT li;
2176 INT ll;
2177 INT x;
2178 INT y;
2179 LRESULT pos;
2180
2181 if (es->style & ES_MULTILINE) {
2182 INT vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
2183 if ((line < es->y_offset) || (line > es->y_offset + vlc) || (line >= es->line_count))
2184 return;
2185 } else if (line)
2186 return;
2187
2188 TRACE("line=%d\n", line);
2189
2190 pos = EDIT_EM_PosFromChar(hwnd, es, EDIT_EM_LineIndex(es, line), FALSE);
2191 x = SLOWORD(pos);
2192 y = SHIWORD(pos);
2193 li = EDIT_EM_LineIndex(es, line);
2194 ll = EDIT_EM_LineLength(es, li);
2195 s = es->selection_start;
2196 e = es->selection_end;
2197 ORDER_INT(s, e);
2198 s = min(li + ll, max(li, s));
2199 e = min(li + ll, max(li, e));
2200 if (rev && (s != e) &&
2201 ((es->flags & EF_FOCUSED) || (es->style & ES_NOHIDESEL))) {
2202 x += EDIT_PaintText(es, dc, x, y, line, 0, s - li, FALSE);
2203 x += EDIT_PaintText(es, dc, x, y, line, s - li, e - s, TRUE);
2204 x += EDIT_PaintText(es, dc, x, y, line, e - li, li + ll - e, FALSE);
2205 } else
2206 x += EDIT_PaintText(es, dc, x, y, line, 0, ll, FALSE);
2207 }
2208
2209
2210 /*********************************************************************
2211 *
2212 * EDIT_PaintText
2213 *
2214 */
2215 static INT EDIT_PaintText(EDITSTATE *es, HDC dc, INT x, INT y, INT line, INT col, INT count, BOOL rev)
2216 {
2217 COLORREF BkColor;
2218 COLORREF TextColor;
2219 INT ret;
2220 INT li;
2221 INT BkMode;
2222 SIZE size;
2223
2224 if (!count)
2225 return 0;
2226 BkMode = GetBkMode(dc);
2227 BkColor = GetBkColor(dc);
2228 TextColor = GetTextColor(dc);
2229 if (rev) {
2230 SetBkColor(dc, GetSysColor(COLOR_HIGHLIGHT));
2231 SetTextColor(dc, GetSysColor(COLOR_HIGHLIGHTTEXT));
2232 SetBkMode( dc, OPAQUE);
2233 }
2234 li = EDIT_EM_LineIndex(es, line);
2235 if (es->style & ES_MULTILINE) {
2236 ret = (INT)LOWORD(TabbedTextOutW(dc, x, y, es->text + li + col, count,
2237 es->tabs_count, es->tabs, es->format_rect.left - es->x_offset));
2238 } else {
2239 LPWSTR text = EDIT_GetPasswordPointer_SL(es);
2240 TextOutW(dc, x, y, text + li + col, count);
2241 GetTextExtentPoint32W(dc, text + li + col, count, &size);
2242 ret = size.cx;
2243 if (es->style & ES_PASSWORD)
2244 HeapFree(GetProcessHeap(), 0, text);
2245 }
2246 if (rev) {
2247 SetBkColor(dc, BkColor);
2248 SetTextColor(dc, TextColor);
2249 SetBkMode( dc, BkMode);
2250 }
2251 return ret;
2252 }
2253
2254
2255 /*********************************************************************
2256 *
2257 * EDIT_SetCaretPos
2258 *
2259 */
2260 static void EDIT_SetCaretPos(HWND hwnd, EDITSTATE *es, INT pos,
2261 BOOL after_wrap)
2262 {
2263 LRESULT res = EDIT_EM_PosFromChar(hwnd, es, pos, after_wrap);
2264 SetCaretPos(SLOWORD(res), SHIWORD(res));
2265 }
2266
2267
2268 /*********************************************************************
2269 *
2270 * EDIT_SetRectNP
2271 *
2272 * note: this is not (exactly) the handler called on EM_SETRECTNP
2273 * it is also used to set the rect of a single line control
2274 *
2275 */
2276 static void EDIT_SetRectNP(HWND hwnd, EDITSTATE *es, LPRECT rc)
2277 {
2278 CopyRect(&es->format_rect, rc);
2279 if (es->style & WS_BORDER) {
2280 INT bw = GetSystemMetrics(SM_CXBORDER) + 1;
2281 if(TWEAK_WineLook == WIN31_LOOK)
2282 bw += 2;
2283 es->format_rect.left += bw;
2284 es->format_rect.top += bw;
2285 es->format_rect.right -= bw;
2286 es->format_rect.bottom -= bw;
2287 }
2288 es->format_rect.left += es->left_margin;
2289 es->format_rect.right -= es->right_margin;
2290 es->format_rect.right = max(es->format_rect.right, es->format_rect.left + es->char_width);
2291 if (es->style & ES_MULTILINE)
2292 {
2293 INT fw, vlc, max_x_offset, max_y_offset;
2294
2295 vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
2296 es->format_rect.bottom = es->format_rect.top + max(1, vlc) * es->line_height;
2297
2298 /* correct es->x_offset */
2299 fw = es->format_rect.right - es->format_rect.left;
2300 max_x_offset = es->text_width - fw;
2301 if(max_x_offset < 0) max_x_offset = 0;
2302 if(es->x_offset > max_x_offset)
2303 es->x_offset = max_x_offset;
2304
2305 /* correct es->y_offset */
2306 max_y_offset = es->line_count - vlc;
2307 if(max_y_offset < 0) max_y_offset = 0;
2308 if(es->y_offset > max_y_offset)
2309 es->y_offset = max_y_offset;
2310
2311 /* force scroll info update */
2312 EDIT_UpdateScrollInfo(hwnd, es);
2313 }
2314 else
2315 /* Windows doesn't care to fix text placement for SL controls */
2316 es->format_rect.bottom = es->format_rect.top + es->line_height;
2317
2318 if ((es->style & ES_MULTILINE) && !(es->style & ES_AUTOHSCROLL))
2319 EDIT_BuildLineDefs_ML(hwnd, es, 0, strlenW(es->text), 0, (HRGN)0);
2320 }
2321
2322
2323 /*********************************************************************
2324 *
2325 * EDIT_UnlockBuffer
2326 *
2327 */
2328 static void EDIT_UnlockBuffer(HWND hwnd, EDITSTATE *es, BOOL force)
2329 {
2330 HINSTANCE hInstance = GetWindowLongA( hwnd, GWL_HINSTANCE );
2331
2332 /* Edit window might be already destroyed */
2333 if(!IsWindow(hwnd))
2334 {
2335 WARN("edit hwnd %04x already destroyed\n", hwnd);
2336 return;
2337 }
2338
2339 if (!es) {
2340 ERR("no EDITSTATE ... please report\n");
2341 return;
2342 }
2343 if (!es->lock_count) {
2344 ERR("lock_count == 0 ... please report\n");
2345 return;
2346 }
2347 if (!es->text) {
2348 ERR("es->text == 0 ... please report\n");
2349 return;
2350 }
2351
2352 if (force || (es->lock_count == 1)) {
2353 if (es->hloc32W) {
2354 CHAR *textA = NULL;
2355 BOOL _16bit = FALSE;
2356 UINT countA = 0;
2357 UINT countW = strlenW(es->text) + 1;
2358
2359 if(es->hloc32A)
2360 {
2361 UINT countA_new = WideCharToMultiByte(CP_ACP, 0, es->text, countW, NULL, 0, NULL, NULL);
2362 TRACE("Synchronizing with 32-bit ANSI buffer\n");
2363 TRACE("%d WCHARs translated to %d bytes\n", countW, countA_new);
2364 countA = LocalSize(es->hloc32A);
2365 if(countA_new > countA)
2366 {
2367 HLOCAL hloc32A_new;
2368 UINT alloc_size = ROUND_TO_GROW(countA_new);
2369 TRACE("Resizing 32-bit ANSI buffer from %d to %d bytes\n", countA, alloc_size);
2370 hloc32A_new = LocalReAlloc(es->hloc32A, alloc_size, LMEM_MOVEABLE | LMEM_ZEROINIT);
2371 if(hloc32A_new)
2372 {
2373 es->hloc32A = hloc32A_new;
2374 countA = LocalSize(hloc32A_new);
2375 TRACE("Real new size %d bytes\n", countA);
2376 }
2377 else
2378 WARN("FAILED! Will synchronize partially\n");
2379 }
2380 textA = LocalLock(es->hloc32A);
2381 }
2382 else if(es->hloc16)
2383 {
2384 UINT countA_new = WideCharToMultiByte(CP_ACP, 0, es->text, countW, NULL, 0, NULL, NULL);
2385 TRACE("Synchronizing with 16-bit ANSI buffer\n");
2386 TRACE("%d WCHARs translated to %d bytes\n", countW, countA_new);
2387 countA = LOCAL_Size(hInstance, es->hloc16);
2388 if(countA_new > countA)
2389 {
2390 HLOCAL16 hloc16_new;
2391 UINT alloc_size = ROUND_TO_GROW(countA_new);
2392 TRACE("Resizing 16-bit ANSI buffer from %d to %d bytes\n", countA, alloc_size);
2393 hloc16_new = LOCAL_ReAlloc(hInstance, es->hloc16, alloc_size, LMEM_MOVEABLE | LMEM_ZEROINIT);
2394 if(hloc16_new)
2395 {
2396 es->hloc16 = hloc16_new;
2397 countA = LOCAL_Size(hInstance, hloc16_new);
2398 TRACE("Real new size %d bytes\n", countA);
2399 }
2400 else
2401 WARN("FAILED! Will synchronize partially\n");
2402 }
2403 textA = LOCAL_Lock(hInstance, es->hloc16);
2404 _16bit = TRUE;
2405 }
2406
2407 if(textA)
2408 {
2409 WideCharToMultiByte(CP_ACP, 0, es->text, countW, textA, countA, NULL, NULL);
2410 if(_16bit)
2411 LOCAL_Unlock(hInstance, es->hloc16);
2412 else
2413 LocalUnlock(es->hloc32A);
2414 }
2415
2416 LocalUnlock(es->hloc32W);
2417 es->text = NULL;
2418 }
2419 else {
2420 ERR("no buffer ... please report\n");
2421 return;
2422 }
2423 }
2424 es->lock_count--;
2425 }
2426
2427
2428 /*********************************************************************
2429 *
2430 * EDIT_UpdateScrollInfo
2431 *
2432 */
2433 static void EDIT_UpdateScrollInfo(HWND hwnd, EDITSTATE *es)
2434 {
2435 if ((es->style & WS_VSCROLL) && !(es->flags & EF_VSCROLL_TRACK))
2436 {
2437 SCROLLINFO si;
2438 si.cbSize = sizeof(SCROLLINFO);
2439 si.fMask = SIF_PAGE | SIF_POS | SIF_RANGE | SIF_DISABLENOSCROLL;
2440 si.nMin = 0;
2441 si.nMax = es->line_count - 1;
2442 si.nPage = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
2443 si.nPos = es->y_offset;
2444 TRACE("SB_VERT, nMin=%d, nMax=%d, nPage=%d, nPos=%d\n",
2445 si.nMin, si.nMax, si.nPage, si.nPos);
2446 SetScrollInfo(hwnd, SB_VERT, &si, TRUE);
2447 }
2448
2449 if ((es->style & WS_HSCROLL) && !(es->flags & EF_HSCROLL_TRACK))
2450 {
2451 SCROLLINFO si;
2452 si.cbSize = sizeof(SCROLLINFO);
2453 si.fMask = SIF_PAGE | SIF_POS | SIF_RANGE | SIF_DISABLENOSCROLL;
2454 si.nMin = 0;
2455 si.nMax = es->text_width - 1;
2456 si.nPage = es->format_rect.right - es->format_rect.left;
2457 si.nPos = es->x_offset;
2458 TRACE("SB_HORZ, nMin=%d, nMax=%d, nPage=%d, nPos=%d\n",
2459 si.nMin, si.nMax, si.nPage, si.nPos);
2460 SetScrollInfo(hwnd, SB_HORZ, &si, TRUE);
2461 }
2462 }
2463
2464 /*********************************************************************
2465 *
2466 * EDIT_WordBreakProc
2467 *
2468 * Find the beginning of words.
2469 * Note: unlike the specs for a WordBreakProc, this function only
2470 * allows to be called without linebreaks between s[0] upto
2471 * s[count - 1]. Remember it is only called
2472 * internally, so we can decide this for ourselves.
2473 *
2474 */
2475 static INT CALLBACK EDIT_WordBreakProc(LPWSTR s, INT index, INT count, INT action)
2476 {
2477 INT ret = 0;
2478
2479 TRACE("s=%p, index=%d, count=%d, action=%d\n", s, index, count, action);
2480
2481 if(!s) return 0;
2482
2483 switch (action) {
2484 case WB_LEFT:
2485 if (!count)
2486 break;
2487 if (index)
2488 index--;
2489 if (s[index] == ' ') {
2490 while (index && (s[index] == ' '))
2491 index--;
2492 if (index) {
2493 while (index && (s[index] != ' '))
2494 index--;
2495 if (s[index] == ' ')
2496 index++;
2497 }
2498 } else {
2499 while (index && (s[index] != ' '))
2500 index--;
2501 if (s[index] == ' ')
2502 index++;
2503 }
2504 ret = index;
2505 break;
2506 case WB_RIGHT:
2507 if (!count)
2508 break;
2509 if (index)
2510 index--;
2511 if (s[index] == ' ')
2512 while ((index < count) && (s[index] == ' ')) index++;
2513 else {
2514 while (s[index] && (s[index] != ' ') && (index < count))
2515 index++;
2516 while ((s[index] == ' ') && (index < count)) index++;
2517 }
2518 ret = index;
2519 break;
2520 case WB_ISDELIMITER:
2521 ret = (s[index] == ' ');
2522 break;
2523 default:
2524 ERR("unknown action code, please report !\n");
2525 break;
2526 }
2527 return ret;
2528 }
2529
2530
2531 /*********************************************************************
2532 *
2533 * EM_CHARFROMPOS
2534 *
2535 * returns line number (not index) in high-order word of result.
2536 * NB : Q137805 is unclear about this. POINT * pointer in lParam apply
2537 * to Richedit, not to the edit control. Original documentation is valid.
2538 * FIXME: do the specs mean to return -1 if outside client area or
2539 * if outside formatting rectangle ???
2540 *
2541 */
2542 static LRESULT EDIT_EM_CharFromPos(HWND hwnd, EDITSTATE *es, INT x, INT y)
2543 {
2544 POINT pt;
2545 RECT rc;
2546 INT index;
2547
2548 pt.x = x;
2549 pt.y = y;
2550 GetClientRect(hwnd, &rc);
2551 if (!PtInRect(&rc, pt))
2552 return -1;
2553
2554 index = EDIT_CharFromPos(hwnd, es, x, y, NULL);
2555 return MAKELONG(index, EDIT_EM_LineFromChar(es, index));
2556 }
2557
2558
2559 /*********************************************************************
2560 *
2561 * EM_FMTLINES
2562 *
2563 * Enable or disable soft breaks.
2564 */
2565 static BOOL EDIT_EM_FmtLines(EDITSTATE *es, BOOL add_eol)
2566 {
2567 es->flags &= ~EF_USE_SOFTBRK;
2568 if (add_eol) {
2569 es->flags |= EF_USE_SOFTBRK;
2570 FIXME("soft break enabled, not implemented\n");
2571 }
2572 return add_eol;
2573 }
2574
2575
2576 /*********************************************************************
2577 *
2578 * EM_GETHANDLE
2579 *
2580 * Hopefully this won't fire back at us.
2581 * We always start with a fixed buffer in the local heap.
2582 * Despite of the documentation says that the local heap is used
2583 * only if DS_LOCALEDIT flag is set, NT and 2000 always allocate
2584 * buffer on the local heap.
2585 *
2586 */
2587 static HLOCAL EDIT_EM_GetHandle(EDITSTATE *es)
2588 {
2589 HLOCAL hLocal;
2590
2591 if (!(es->style & ES_MULTILINE))
2592 return 0;
2593
2594 if(es->is_unicode)
2595 hLocal = es->hloc32W;
2596 else
2597 {
2598 if(!es->hloc32A)
2599 {
2600 CHAR *textA;
2601 UINT countA, alloc_size;
2602 TRACE("Allocating 32-bit ANSI alias buffer\n");
2603 countA = WideCharToMultiByte(CP_ACP, 0, es->text, -1, NULL, 0, NULL, NULL);
2604 alloc_size = ROUND_TO_GROW(countA);
2605 if(!(es->hloc32A = LocalAlloc(LMEM_MOVEABLE | LMEM_ZEROINIT, alloc_size)))
2606 {
2607 ERR("Could not allocate %d bytes for 32-bit ANSI alias buffer\n", alloc_size);
2608 return 0;
2609 }
2610 textA = LocalLock(es->hloc32A);
2611 WideCharToMultiByte(CP_ACP, 0, es->text, -1, textA, countA, NULL, NULL);
2612 LocalUnlock(es->hloc32A);
2613 }
2614 hLocal = es->hloc32A;
2615 }
2616
2617 TRACE("Returning %04X, LocalSize() = %d\n", hLocal, LocalSize(hLocal));
2618 return hLocal;
2619 }
2620
2621
2622 /*********************************************************************
2623 *
2624 * EM_GETHANDLE16
2625 *
2626 * Hopefully this won't fire back at us.
2627 * We always start with a buffer in 32 bit linear memory.
2628 * However, with this message a 16 bit application requests
2629 * a handle of 16 bit local heap memory, where it expects to find
2630 * the text.
2631 * It's a pitty that from this moment on we have to use this
2632 * local heap, because applications may rely on the handle
2633 * in the future.
2634 *
2635 * In this function we'll try to switch to local heap.
2636 */
2637 static HLOCAL16 EDIT_EM_GetHandle16(HWND hwnd, EDITSTATE *es)
2638 {
2639 HINSTANCE hInstance = GetWindowLongA( hwnd, GWL_HINSTANCE );
2640 CHAR *textA;
2641 UINT countA, alloc_size;
2642
2643 if (!(es->style & ES_MULTILINE))
2644 return 0;
2645
2646 if (es->hloc16)
2647 return es->hloc16;
2648
2649 if (!LOCAL_HeapSize(hInstance)) {
2650 if (!LocalInit16(hInstance, 0,
2651 GlobalSize16(hInstance))) {
2652 ERR("could not initialize local heap\n");
2653 return 0;
2654 }
2655 TRACE("local heap initialized\n");
2656 }
2657
2658 countA = WideCharToMultiByte(CP_ACP, 0, es->text, -1, NULL, 0, NULL, NULL);
2659 alloc_size = ROUND_TO_GROW(countA);
2660
2661 TRACE("Allocating 16-bit ANSI alias buffer\n");
2662 if (!(es->hloc16 = LOCAL_Alloc(hInstance, LMEM_MOVEABLE | LMEM_ZEROINIT, alloc_size))) {
2663 ERR("could not allocate new 16 bit buffer\n");
2664 return 0;
2665 }
2666
2667 if (!(textA = (LPSTR)LOCAL_Lock(hInstance, es->hloc16))) {
2668 ERR("could not lock new 16 bit buffer\n");
2669 LOCAL_Free(hInstance, es->hloc16);
2670 es->hloc16 = 0;
2671 return 0;
2672 }
2673
2674 WideCharToMultiByte(CP_ACP, 0, es->text, -1, textA, countA, NULL, NULL);
2675 LOCAL_Unlock(hInstance, es->hloc16);
2676
2677 TRACE("Returning %04X, LocalSize() = %d\n", es->hloc16, LOCAL_Size(hInstance, es->hloc16));
2678 return es->hloc16;
2679 }
2680
2681
2682 /*********************************************************************
2683 *
2684 * EM_GETLINE
2685 *
2686 */
2687 static INT EDIT_EM_GetLine(EDITSTATE *es, INT line, LPARAM lParam, BOOL unicode)
2688 {
2689 LPWSTR src;
2690 INT line_len, dst_len;
2691 INT i;
2692
2693 if (es->style & ES_MULTILINE) {
2694 if (line >= es->line_count)
2695 return 0;
2696 } else
2697 line = 0;
2698 i = EDIT_EM_LineIndex(es, line);
2699 src = es->text + i;
2700 line_len = EDIT_EM_LineLength(es, i);
2701 dst_len = *(WORD *)lParam;
2702 if(unicode)
2703 {
2704 LPWSTR dst = (LPWSTR)lParam;
2705 if(dst_len <= line_len)
2706 {
2707 memcpy(dst, src, dst_len * sizeof(WCHAR));
2708 return dst_len;
2709 }
2710 else /* Append 0 if enough space */
2711 {
2712 memcpy(dst, src, line_len * sizeof(WCHAR));
2713 dst[line_len] = 0;
2714 return line_len;
2715 }
2716 }
2717 else
2718 {
2719 LPSTR dst = (LPSTR)lParam;
2720 INT ret;
2721 ret = WideCharToMultiByte(CP_ACP, 0, src, line_len, dst, dst_len, NULL, NULL);
2722 if(!ret) /* Insufficient buffer size */
2723 return dst_len;
2724 if(ret < dst_len) /* Append 0 if enough space */
2725 dst[ret] = 0;
2726 return ret;
2727 }
2728 }
2729
2730
2731 /*********************************************************************
2732 *
2733 * EM_GETSEL
2734 *
2735 */
2736 static LRESULT EDIT_EM_GetSel(EDITSTATE *es, LPUINT start, LPUINT end)
2737 {
2738 UINT s = es->selection_start;
2739 UINT e = es->selection_end;
2740
2741 ORDER_UINT(s, e);
2742 if (start)
2743 *start = s;
2744 if (end)
2745 *end = e;
2746 return MAKELONG(s, e);
2747 }
2748
2749
2750 /*********************************************************************
2751 *
2752 * EM_GETTHUMB
2753 *
2754 * FIXME: is this right ? (or should it be only VSCROLL)
2755 * (and maybe only for edit controls that really have their
2756 * own scrollbars) (and maybe only for multiline controls ?)
2757 * All in all: very poorly documented
2758 *
2759 */
2760 static LRESULT EDIT_EM_GetThumb(HWND hwnd, EDITSTATE *es)
2761 {
2762 return MAKELONG(EDIT_WM_VScroll(hwnd, es, EM_GETTHUMB16, 0),
2763 EDIT_WM_HScroll(hwnd, es, EM_GETTHUMB16, 0));
2764 }
2765
2766
2767 /*********************************************************************
2768 *
2769 * EM_LINEFROMCHAR
2770 *
2771 */
2772 static INT EDIT_EM_LineFromChar(EDITSTATE *es, INT index)
2773 {
2774 INT line;
2775 LINEDEF *line_def;
2776
2777 if (!(es->style & ES_MULTILINE))
2778 return 0;
2779 if (index > (INT)strlenW(es->text))
2780 return es->line_count - 1;
2781 if (index == -1)
2782 index = min(es->selection_start, es->selection_end);
2783
2784 line = 0;
2785 line_def = es->first_line_def;
2786 index -= line_def->length;
2787 while ((index >= 0) && line_def->next) {
2788 line++;
2789 line_def = line_def->next;
2790 index -= line_def->length;
2791 }
2792 return line;
2793 }
2794
2795
2796 /*********************************************************************
2797 *
2798 * EM_LINEINDEX
2799 *
2800 */
2801 static INT EDIT_EM_LineIndex(EDITSTATE *es, INT line)
2802 {
2803 INT line_index;
2804 LINEDEF *line_def;
2805
2806 if (!(es->style & ES_MULTILINE))
2807 return 0;
2808 if (line >= es->line_count)
2809 return -1;
2810
2811 line_index = 0;
2812 line_def = es->first_line_def;
2813 if (line == -1) {
2814 INT index = es->selection_end - line_def->length;
2815 while ((index >= 0) && line_def->next) {
2816 line_index += line_def->length;
2817 line_def = line_def->next;
2818 index -= line_def->length;
2819 }
2820 } else {
2821 while (line > 0) {
2822 line_index += line_def->length;
2823 line_def = line_def->next;
2824 line--;
2825 }
2826 }
2827 return line_index;
2828 }
2829
2830
2831 /*********************************************************************
2832 *
2833 * EM_LINELENGTH
2834 *
2835 */
2836 static INT EDIT_EM_LineLength(EDITSTATE *es, INT index)
2837 {
2838 LINEDEF *line_def;
2839
2840 if (!(es->style & ES_MULTILINE))
2841 return strlenW(es->text);
2842
2843 if (index == -1) {
2844 /* get the number of remaining non-selected chars of selected lines */
2845 INT32 l; /* line number */
2846 INT32 li; /* index of first char in line */
2847 INT32 count;
2848 l = EDIT_EM_LineFromChar(es, es->selection_start);
2849 /* # chars before start of selection area */
2850 count = es->selection_start - EDIT_EM_LineIndex(es, l);
2851 l = EDIT_EM_LineFromChar(es, es->selection_end);
2852 /* # chars after end of selection */
2853 li = EDIT_EM_LineIndex(es, l);
2854 count += li + EDIT_EM_LineLength(es, li) - es->selection_end;
2855 return count;
2856 }
2857 line_def = es->first_line_def;
2858 index -= line_def->length;
2859 while ((index >= 0) && line_def->next) {
2860 line_def = line_def->next;
2861 index -= line_def->length;
2862 }
2863 return line_def->net_length;
2864 }
2865
2866
2867 /*********************************************************************
2868 *
2869 * EM_LINESCROLL
2870 *
2871 * NOTE: dx is in average character widths, dy - in lines;
2872 *
2873 */
2874 static BOOL EDIT_EM_LineScroll(HWND hwnd, EDITSTATE *es, INT dx, INT dy)
2875 {
2876 if (!(es->style & ES_MULTILINE))
2877 return FALSE;
2878
2879 dx *= es->char_width;
2880 return EDIT_EM_LineScroll_internal(hwnd, es, dx, dy);
2881 }
2882
2883 /*********************************************************************
2884 *
2885 * EDIT_EM_LineScroll_internal
2886 *
2887 * Version of EDIT_EM_LineScroll for internal use.
2888 * It doesn't refuse if ES_MULTILINE is set and assumes that
2889 * dx is in pixels, dy - in lines.
2890 *
2891 */
2892 static BOOL EDIT_EM_LineScroll_internal(HWND hwnd, EDITSTATE *es, INT dx, INT dy)
2893 {
2894 INT nyoff;
2895 INT x_offset_in_pixels;
2896
2897 if (es->style & ES_MULTILINE)
2898 {
2899 x_offset_in_pixels = es->x_offset;
2900 }
2901 else
2902 {
2903 dy = 0;
2904 x_offset_in_pixels = SLOWORD(EDIT_EM_PosFromChar(hwnd, es, es->x_offset, FALSE));
2905 }
2906
2907 if (-dx > x_offset_in_pixels)
2908 dx = -x_offset_in_pixels;
2909 if (dx > es->text_width - x_offset_in_pixels)
2910 dx = es->text_width - x_offset_in_pixels;
2911 nyoff = max(0, es->y_offset + dy);
2912 if (nyoff >= es->line_count)
2913 nyoff = es->line_count - 1;
2914 dy = (es->y_offset - nyoff) * es->line_height;
2915 if (dx || dy) {
2916 RECT rc1;
2917 RECT rc;
2918
2919 es->y_offset = nyoff;
2920 if(es->style & ES_MULTILINE)
2921 es->x_offset += dx;
2922 else
2923 es->x_offset += dx / es->char_width;
2924
2925 GetClientRect(hwnd, &rc1);
2926 IntersectRect(&rc, &rc1, &es->format_rect);
2927 ScrollWindowEx(hwnd, -dx, dy,
2928 NULL, &rc, (HRGN)NULL, NULL, SW_INVALIDATE);
2929 /* force scroll info update */
2930 EDIT_UpdateScrollInfo(hwnd, es);
2931 }
2932 if (dx && !(es->flags & EF_HSCROLL_TRACK))
2933 EDIT_NOTIFY_PARENT(hwnd, es, EN_HSCROLL, "EN_HSCROLL");
2934 if (dy && !(es->flags & EF_VSCROLL_TRACK))
2935 EDIT_NOTIFY_PARENT(hwnd, es, EN_VSCROLL, "EN_VSCROLL");
2936 return TRUE;
2937 }
2938
2939
2940 /*********************************************************************
2941 *
2942 * EM_POSFROMCHAR
2943 *
2944 */
2945 static LRESULT EDIT_EM_PosFromChar(HWND hwnd, EDITSTATE *es, INT index, BOOL after_wrap)
2946 {
2947 INT len = strlenW(es->text);
2948 INT l;
2949 INT li;
2950 INT x;
2951 INT y = 0;
2952 HDC dc;
2953 HFONT old_font = 0;
2954 SIZE size;
2955
2956 index = min(index, len);
2957 dc = GetDC(hwnd);
2958 if (es->font)
2959 old_font = SelectObject(dc, es->font);
2960 if (es->style & ES_MULTILINE) {
2961 l = EDIT_EM_LineFromChar(es, index);
2962 y = (l - es->y_offset) * es->line_height;
2963 li = EDIT_EM_LineIndex(es, l);
2964 if (after_wrap && (li == index) && l) {
2965 INT l2 = l - 1;
2966 LINEDEF *line_def = es->first_line_def;
2967 while (l2) {
2968 line_def = line_def->next;
2969 l2--;
2970 }
2971 if (line_def->ending == END_WRAP) {
2972 l--;
2973 y -= es->line_height;
2974 li = EDIT_EM_LineIndex(es, l);
2975 }
2976 }
2977 x = LOWORD(GetTabbedTextExtentW(dc, es->text + li, index - li,
2978 es->tabs_count, es->tabs)) - es->x_offset;
2979 } else {
2980 LPWSTR text = EDIT_GetPasswordPointer_SL(es);
2981 if (index < es->x_offset) {
2982 GetTextExtentPoint32W(dc, text + index,
2983 es->x_offset - index, &size);
2984 x = -size.cx;
2985 } else {
2986 GetTextExtentPoint32W(dc, text + es->x_offset,
2987 index - es->x_offset, &size);
2988 x = size.cx;
2989 }
2990 y = 0;
2991 if (es->style & ES_PASSWORD)
2992 HeapFree(GetProcessHeap(), 0, text);
2993 }
2994 x += es->format_rect.left;
2995 y += es->format_rect.top;
2996 if (es->font)
2997 SelectObject(dc, old_font);
2998 ReleaseDC(hwnd, dc);
2999 return MAKELONG((INT16)x, (INT16)y);
3000 }
3001
3002
3003 /*********************************************************************
3004 *
3005 * EM_REPLACESEL
3006 *
3007 * FIXME: handle ES_NUMBER and ES_OEMCONVERT here
3008 *
3009 */
3010 static void EDIT_EM_ReplaceSel(HWND hwnd, EDITSTATE *es, BOOL can_undo, LPCWSTR lpsz_replace, BOOL send_update)
3011 {
3012 UINT strl = strlenW(lpsz_replace);
3013 UINT tl = strlenW(es->text);
3014 UINT utl;
3015 UINT s;
3016 UINT e;
3017 UINT i;
3018 LPWSTR p;
3019 HRGN hrgn = 0;
3020
3021 TRACE("%s, can_undo %d, send_update %d\n",
3022 debugstr_w(lpsz_replace), can_undo, send_update);
3023
3024 s = es->selection_start;
3025 e = es->selection_end;
3026
3027 if ((s == e) && !strl)
3028 return;
3029
3030 ORDER_UINT(s, e);
3031
3032 if (!EDIT_MakeFit(hwnd, es, tl - (e - s) + strl))
3033 return;
3034
3035 if (e != s) {
3036 /* there is something to be deleted */
3037 TRACE("deleting stuff.\n");
3038 if (can_undo) {
3039 utl = strlenW(es->undo_text);
3040 if (!es->undo_insert_count && (*es->undo_text && (s == es->undo_position))) {
3041 /* undo-buffer is extended to the right */
3042 EDIT_MakeUndoFit(es, utl + e - s);
3043 strncpyW(es->undo_text + utl, es->text + s, e - s + 1);
3044 (es->undo_text + utl)[e - s] = 0; /* ensure 0 termination */
3045 } else if (!es->undo_insert_count && (*es->undo_text && (e == es->undo_position))) {
3046 /* undo-buffer is extended to the left */
3047 EDIT_MakeUndoFit(es, utl + e - s);
3048 for (p = es->undo_text + utl ; p >= es->undo_text ; p--)
3049 p[e - s] = p[0];
3050 for (i = 0 , p = es->undo_text ; i < e - s ; i++)
3051 p[i] = (es->text + s)[i];
3052 es->undo_position = s;
3053 } else {
3054 /* new undo-buffer */
3055 EDIT_MakeUndoFit(es, e - s);
3056 strncpyW(es->undo_text, es->text + s, e - s + 1);
3057 es->undo_text[e - s] = 0; /* ensure 0 termination */
3058 es->undo_position = s;
3059 }
3060 /* any deletion makes the old insertion-undo invalid */
3061 es->undo_insert_count = 0;
3062 } else
3063 EDIT_EM_EmptyUndoBuffer(es);
3064
3065 /* now delete */
3066 strcpyW(es->text + s, es->text + e);
3067 }
3068 if (strl) {
3069 /* there is an insertion */
3070 if (can_undo) {
3071 if ((s == es->undo_position) ||
3072 ((es->undo_insert_count) &&
3073 (s == es->undo_position + es->undo_insert_count)))
3074 /*
3075 * insertion is new and at delete position or
3076 * an extension to either left or right
3077 */
3078 es->undo_insert_count += strl;
3079 else {
3080 /* new insertion undo */
3081 es->undo_position = s;
3082 es->undo_insert_count = strl;
3083 /* new insertion makes old delete-buffer invalid */
3084 *es->undo_text = '\0';
3085 }
3086 } else
3087 EDIT_EM_EmptyUndoBuffer(es);
3088
3089 /* now insert */
3090 tl = strlenW(es->text);
3091 TRACE("inserting stuff (tl %d, strl %d, selstart %d ('%s'), text '%s')\n", tl, strl, s, debugstr_w(es->text + s), debugstr_w(es->text));
3092 for (p = es->text + tl ; p >= es->text + s ; p--)
3093 p[strl] = p[0];
3094 for (i = 0 , p = es->text + s ; i < strl ; i++)
3095 p[i] = lpsz_replace[i];
3096 if(es->style & ES_UPPERCASE)
3097 CharUpperBuffW(p, strl);
3098 else if(es->style & ES_LOWERCASE)
3099 CharLowerBuffW(p, strl);
3100 s += strl;
3101 }
3102 if (es->style & ES_MULTILINE)
3103 {
3104 INT s = min(es->selection_start, es->selection_end);
3105
3106 hrgn = CreateRectRgn(0, 0, 0, 0);
3107 EDIT_BuildLineDefs_ML(hwnd, es, s, s + strl,
3108 strl - abs(es->selection_end - es->selection_start), hrgn);
3109 }
3110 else
3111 EDIT_CalcLineWidth_SL(hwnd, es);
3112
3113 EDIT_EM_SetSel(hwnd, es, s, s, FALSE);
3114 es->flags |= EF_MODIFIED;
3115 if (send_update) es->flags |= EF_UPDATE;
3116 EDIT_EM_ScrollCaret(hwnd, es);
3117
3118 /* force scroll info update */
3119 EDIT_UpdateScrollInfo(hwnd, es);
3120
3121 if (hrgn)
3122 {
3123 EDIT_UpdateTextRegion(hwnd, es, hrgn, TRUE);
3124 DeleteObject(hrgn);
3125 }
3126 else
3127 EDIT_UpdateText(hwnd, es, NULL, TRUE);
3128
3129 if(es->flags & EF_UPDATE)
3130 {
3131 es->flags &= ~EF_UPDATE;
3132 EDIT_NOTIFY_PARENT(hwnd, es, EN_CHANGE, "EN_CHANGE");
3133 }
3134 }
3135
3136
3137 /*********************************************************************
3138 *
3139 * EM_SCROLL
3140 *
3141 */
3142 static LRESULT EDIT_EM_Scroll(HWND hwnd, EDITSTATE *es, INT action)
3143 {
3144 INT dy;
3145
3146 if (!(es->style & ES_MULTILINE))
3147 return (LRESULT)FALSE;
3148
3149 dy = 0;
3150
3151 switch (action) {
3152 case SB_LINEUP:
3153 if (es->y_offset)
3154 dy = -1;
3155 break;
3156 case SB_LINEDOWN:
3157 if (es->y_offset < es->line_count - 1)
3158 dy = 1;
3159 break;
3160 case SB_PAGEUP:
3161 if (es->y_offset)
3162 dy = -(es->format_rect.bottom - es->format_rect.top) / es->line_height;
3163 break;
3164 case SB_PAGEDOWN:
3165 if (es->y_offset < es->line_count - 1)
3166 dy = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
3167 break;
3168 default:
3169 return (LRESULT)FALSE;
3170 }
3171 if (dy) {
3172 INT vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
3173 /* check if we are going to move too far */
3174 if(es->y_offset + dy > es->line_count - vlc)
3175 dy = es->line_count - vlc - es->y_offset;
3176
3177 /* Notification is done in EDIT_EM_LineScroll */
3178 if(dy)
3179 EDIT_EM_LineScroll(hwnd, es, 0, dy);
3180 }
3181 return MAKELONG((INT16)dy, (BOOL16)TRUE);
3182 }
3183
3184
3185 /*********************************************************************
3186 *
3187 * EM_SCROLLCARET
3188 *
3189 */
3190 static void EDIT_EM_ScrollCaret(HWND hwnd, EDITSTATE *es)
3191 {
3192 if (es->style & ES_MULTILINE) {
3193 INT l;
3194 INT li;
3195 INT vlc;
3196 INT ww;
3197 INT cw = es->char_width;
3198 INT x;
3199 INT dy = 0;
3200 INT dx = 0;
3201
3202 l = EDIT_EM_LineFromChar(es, es->selection_end);
3203 li = EDIT_EM_LineIndex(es, l);
3204 x = SLOWORD(EDIT_EM_PosFromChar(hwnd, es, es->selection_end, es->flags & EF_AFTER_WRAP));
3205 vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
3206 if (l >= es->y_offset + vlc)
3207 dy = l - vlc + 1 - es->y_offset;
3208 if (l < es->y_offset)
3209 dy = l - es->y_offset;
3210 ww = es->format_rect.right - es->format_rect.left;
3211 if (x < es->format_rect.left)
3212 dx = x - es->format_rect.left - ww / HSCROLL_FRACTION / cw * cw;
3213 if (x > es->format_rect.right)
3214 dx = x - es->format_rect.left - (HSCROLL_FRACTION - 1) * ww / HSCROLL_FRACTION / cw * cw;
3215 if (dy || dx)
3216 {
3217 /* check if we are going to move too far */
3218 if(es->x_offset + dx + ww > es->text_width)
3219 dx = es->text_width - ww - es->x_offset;
3220 if(dx || dy)
3221 EDIT_EM_LineScroll_internal(hwnd, es, dx, dy);
3222 }
3223 } else {
3224 INT x;
3225 INT goal;
3226 INT format_width;
3227
3228 if (!(es->style & ES_AUTOHSCROLL))
3229 return;
3230
3231 x = SLOWORD(EDIT_EM_PosFromChar(hwnd, es, es->selection_end, FALSE));
3232 format_width = es->format_rect.right - es->format_rect.left;
3233 if (x < es->format_rect.left) {
3234 goal = es->format_rect.left + format_width / HSCROLL_FRACTION;
3235 do {
3236 es->x_offset--;
3237 x = SLOWORD(EDIT_EM_PosFromChar(hwnd, es, es->selection_end, FALSE));
3238 } while ((x < goal) && es->x_offset);
3239 /* FIXME: use ScrollWindow() somehow to improve performance */
3240 EDIT_UpdateText(hwnd, es, NULL, TRUE);
3241 } else if (x > es->format_rect.right) {
3242 INT x_last;
3243 INT len = strlenW(es->text);
3244 goal = es->format_rect.right - format_width / HSCROLL_FRACTION;
3245 do {
3246 es->x_offset++;
3247 x = SLOWORD(EDIT_EM_PosFromChar(hwnd, es, es->selection_end, FALSE));
3248 x_last = SLOWORD(EDIT_EM_PosFromChar(hwnd, es, len, FALSE));
3249 } while ((x > goal) && (x_last > es->format_rect.right));
3250 /* FIXME: use ScrollWindow() somehow to improve performance */
3251 EDIT_UpdateText(hwnd, es, NULL, TRUE);
3252 }
3253 }
3254
3255 if(es->flags & EF_FOCUSED)
3256 EDIT_SetCaretPos(hwnd, es, es->selection_end, es->flags & EF_AFTER_WRAP);
3257 }
3258
3259
3260 /*********************************************************************
3261 *
3262 * EM_SETHANDLE
3263 *
3264 * FIXME: ES_LOWERCASE, ES_UPPERCASE, ES_OEMCONVERT, ES_NUMBER ???
3265 *
3266 */
3267 static void EDIT_EM_SetHandle(HWND hwnd, EDITSTATE *es, HLOCAL hloc)
3268 {
3269 HINSTANCE hInstance = GetWindowLongA( hwnd, GWL_HINSTANCE );
3270
3271 if (!(es->style & ES_MULTILINE))
3272 return;
3273
3274 if (!hloc) {
3275 WARN("called with NULL handle\n");
3276 return;
3277 }
3278
3279 EDIT_UnlockBuffer(hwnd, es, TRUE);
3280
3281 if(es->hloc16)
3282 {
3283 LOCAL_Free(hInstance, es->hloc16);
3284 es->hloc16 = (HLOCAL16)NULL;
3285 }
3286
3287 if(es->is_unicode)
3288 {
3289 if(es->hloc32A)
3290 {
3291 LocalFree(es->hloc32A);
3292 es->hloc32A = (HLOCAL)NULL;
3293 }
3294 es->hloc32W = hloc;
3295 }
3296 else
3297 {
3298 INT countW, countA;
3299 HLOCAL hloc32W_new;
3300 WCHAR *textW;
3301 CHAR *textA;
3302
3303 countA = LocalSize(hloc);
3304 textA = LocalLock(hloc);
3305 countW = MultiByteToWideChar(CP_ACP, 0, textA, countA, NULL, 0);
3306 if(!(hloc32W_new = LocalAlloc(LMEM_MOVEABLE | LMEM_ZEROINIT, countW * sizeof(WCHAR))))
3307 {
3308 ERR("Could not allocate new unicode buffer\n");
3309 return;
3310 }
3311 textW = LocalLock(hloc32W_new);
3312 MultiByteToWideChar(CP_ACP, 0, textA, countA, textW, countW);
3313 LocalUnlock(hloc32W_new);
3314 LocalUnlock(hloc);
3315
3316 if(es->hloc32W)
3317 LocalFree(es->hloc32W);
3318
3319 es->hloc32W = hloc32W_new;
3320 es->hloc32A = hloc;
3321 }
3322
3323 es->buffer_size = LocalSize(es->hloc32W)/sizeof(WCHAR) - 1;
3324
3325 EDIT_LockBuffer(hwnd, es);
3326
3327 es->x_offset = es->y_offset = 0;
3328 es->selection_start = es->selection_end = 0;
3329 EDIT_EM_EmptyUndoBuffer(es);
3330 es->flags &= ~EF_MODIFIED;
3331 es->flags &= ~EF_UPDATE;
3332 EDIT_BuildLineDefs_ML(hwnd, es, 0, strlenW(es->text), 0, (HRGN)0);
3333 EDIT_UpdateText(hwnd, es, NULL, TRUE);
3334 EDIT_EM_ScrollCaret(hwnd, es);
3335 /* force scroll info update */
3336 EDIT_UpdateScrollInfo(hwnd, es);
3337 }
3338
3339
3340 /*********************************************************************
3341 *
3342 * EM_SETHANDLE16
3343 *
3344 * FIXME: ES_LOWERCASE, ES_UPPERCASE, ES_OEMCONVERT, ES_NUMBER ???
3345 *
3346 */
3347 static void EDIT_EM_SetHandle16(HWND hwnd, EDITSTATE *es, HLOCAL16 hloc)
3348 {
3349 HINSTANCE hInstance = GetWindowLongA( hwnd, GWL_HINSTANCE );
3350 INT countW, countA;
3351 HLOCAL hloc32W_new;
3352 WCHAR *textW;
3353 CHAR *textA;
3354
3355 if (!(es->style & ES_MULTILINE))
3356 return;
3357
3358 if (!hloc) {
3359 WARN("called with NULL handle\n");
3360 return;
3361 }
3362
3363 EDIT_UnlockBuffer(hwnd, es, TRUE);
3364
3365 if(es->hloc32A)
3366 {
3367 LocalFree(es->hloc32A);
3368 es->hloc32A = (HLOCAL)NULL;
3369 }
3370
3371 countA = LOCAL_Size(hInstance, hloc);
3372 textA = LOCAL_Lock(hInstance, hloc);
3373 countW = MultiByteToWideChar(CP_ACP, 0, textA, countA, NULL, 0);
3374 if(!(hloc32W_new = LocalAlloc(LMEM_MOVEABLE | LMEM_ZEROINIT, countW * sizeof(WCHAR))))
3375 {
3376 ERR("Could not allocate new unicode buffer\n");
3377 return;
3378 }
3379 textW = LocalLock(hloc32W_new);
3380 MultiByteToWideChar(CP_ACP, 0, textA, countA, textW, countW);
3381 LocalUnlock(hloc32W_new);
3382 LOCAL_Unlock(hInstance, hloc);
3383
3384 if(es->hloc32W)
3385 LocalFree(es->hloc32W);
3386
3387 es->hloc32W = hloc32W_new;
3388 es->hloc16 = hloc;
3389
3390 es->buffer_size = LocalSize(es->hloc32W)/sizeof(WCHAR) - 1;
3391
3392 EDIT_LockBuffer(hwnd, es);
3393
3394 es->x_offset = es->y_offset = 0;
3395 es->selection_start = es->selection_end = 0;
3396 EDIT_EM_EmptyUndoBuffer(es);
3397 es->flags &= ~EF_MODIFIED;
3398 es->flags &= ~EF_UPDATE;
3399 EDIT_BuildLineDefs_ML(hwnd, es, 0, strlenW(es->text), 0, (HRGN)0);
3400 EDIT_UpdateText(hwnd, es, NULL, TRUE);
3401 EDIT_EM_ScrollCaret(hwnd, es);
3402 /* force scroll info update */
3403 EDIT_UpdateScrollInfo(hwnd, es);
3404 }
3405
3406
3407 /*********************************************************************
3408 *
3409 * EM_SETLIMITTEXT
3410 *
3411 * FIXME: in WinNT maxsize is 0x7FFFFFFF / 0xFFFFFFFF
3412 * However, the windows version is not complied to yet in all of edit.c
3413 *
3414 */
3415 static void EDIT_EM_SetLimitText(EDITSTATE *es, INT limit)
3416 {
3417 if (es->style & ES_MULTILINE) {
3418 if (limit)
3419 es->buffer_limit = min(limit, BUFLIMIT_MULTI);
3420 else
3421 es->buffer_limit = BUFLIMIT_MULTI;
3422 } else {
3423 if (limit)
3424 es->buffer_limit = min(limit, BUFLIMIT_SINGLE);
3425 else
3426 es->buffer_limit = BUFLIMIT_SINGLE;
3427 }
3428 }
3429
3430
3431 /*********************************************************************
3432 *
3433 * EM_SETMARGINS
3434 *
3435 * EC_USEFONTINFO is used as a left or right value i.e. lParam and not as an
3436 * action wParam despite what the docs say. EC_USEFONTINFO means one third
3437 * of the char's width, according to the new docs.
3438 *
3439 */
3440 static void EDIT_EM_SetMargins(EDITSTATE *es, INT action,
3441 INT left, INT right)
3442 {
3443 if (action & EC_LEFTMARGIN) {
3444 if (left != EC_USEFONTINFO)
3445 es->left_margin = left;
3446 else
3447 es->left_margin = es->char_width / 3;
3448 }
3449
3450 if (action & EC_RIGHTMARGIN) {
3451 if (right != EC_USEFONTINFO)
3452 es->right_margin = right;
3453 else
3454 es->right_margin = es->char_width / 3;
3455 }
3456 TRACE("left=%d, right=%d\n", es->left_margin, es->right_margin);
3457 }
3458
3459
3460 /*********************************************************************
3461 *
3462 * EM_SETPASSWORDCHAR
3463 *
3464 */
3465 static void EDIT_EM_SetPasswordChar(HWND hwnd, EDITSTATE *es, WCHAR c)
3466 {
3467 LONG style;
3468
3469 if (es->style & ES_MULTILINE)
3470 return;
3471
3472 if (es->password_char == c)
3473 return;
3474
3475 style = GetWindowLongA( hwnd, GWL_STYLE );
3476 es->password_char = c;
3477 if (c) {
3478 SetWindowLongA( hwnd, GWL_STYLE, style | ES_PASSWORD );
3479 es->style |= ES_PASSWORD;
3480 } else {
3481 SetWindowLongA( hwnd, GWL_STYLE, style & ~ES_PASSWORD );
3482 es->style &= ~ES_PASSWORD;
3483 }
3484 EDIT_UpdateText(hwnd, es, NULL, TRUE);
3485 }
3486
3487
3488 /*********************************************************************
3489 *
3490 * EDIT_EM_SetSel
3491 *
3492 * note: unlike the specs say: the order of start and end
3493 * _is_ preserved in Windows. (i.e. start can be > end)
3494 * In other words: this handler is OK
3495 *
3496 */
3497 static void EDIT_EM_SetSel(HWND hwnd, EDITSTATE *es, UINT start, UINT end, BOOL after_wrap)
3498 {
3499 UINT old_start = es->selection_start;
3500 UINT old_end = es->selection_end;
3501 UINT len = strlenW(es->text);
3502
3503 if (start == (UINT)-1) {
3504 start = es->selection_end;
3505 end = es->selection_end;
3506 } else {
3507 start = min(start, len);
3508 end = min(end, len);
3509 }
3510 es->selection_start = start;
3511 es->selection_end = end;
3512 if (after_wrap)
3513 es->flags |= EF_AFTER_WRAP;
3514 else
3515 es->flags &= ~EF_AFTER_WRAP;
3516 /* This is a little bit more efficient than before, not sure if it can be improved. FIXME? */
3517 ORDER_UINT(start, end);
3518 ORDER_UINT(end, old_end);
3519 ORDER_UINT(start, old_start);
3520 ORDER_UINT(old_start, old_end);
3521 if (end != old_start)
3522 {
3523 /*
3524 * One can also do
3525 * ORDER_UINT32(end, old_start);
3526 * EDIT_InvalidateText(hwnd, es, start, end);
3527 * EDIT_InvalidateText(hwnd, es, old_start, old_end);
3528 * in place of the following if statement.
3529 */
3530 if (old_start > end )
3531 {
3532 EDIT_InvalidateText(hwnd, es, start, end);
3533 EDIT_InvalidateText(hwnd, es, old_start, old_end);
3534 }
3535 else
3536 {
3537 EDIT_InvalidateText(hwnd, es, start, old_start);
3538 EDIT_InvalidateText(hwnd, es, end, old_end);
3539 }
3540 }
3541 else EDIT_InvalidateText(hwnd, es, start, old_end);
3542 }
3543
3544
3545 /*********************************************************************
3546 *
3547 * EM_SETTABSTOPS
3548 *
3549 */
3550 static BOOL EDIT_EM_SetTabStops(EDITSTATE *es, INT count, LPINT tabs)
3551 {
3552 if (!(es->style & ES_MULTILINE))
3553 return FALSE;
3554 if (es->tabs)
3555 HeapFree(GetProcessHeap(), 0, es->tabs);
3556 es->tabs_count = count;
3557 if (!count)
3558 es->tabs = NULL;
3559 else {
3560 es->tabs = HeapAlloc(GetProcessHeap(), 0, count * sizeof(INT));
3561 memcpy(es->tabs, tabs, count * sizeof(INT));
3562 }
3563 return TRUE;
3564 }
3565
3566
3567 /*********************************************************************
3568 *
3569 * EM_SETTABSTOPS16
3570 *
3571 */
3572 static BOOL EDIT_EM_SetTabStops16(EDITSTATE *es, INT count, LPINT16 tabs)
3573 {
3574 if (!(es->style & ES_MULTILINE))
3575 return FALSE;
3576 if (es->tabs)
3577 HeapFree(GetProcessHeap(), 0, es->tabs);
3578 es->tabs_count = count;
3579 if (!count)
3580 es->tabs = NULL;
3581 else {
3582 INT i;
3583 es->tabs = HeapAlloc(GetProcessHeap(), 0, count * sizeof(INT));
3584 for (i = 0 ; i < count ; i++)
3585 es->tabs[i] = *tabs++;
3586 }
3587 return TRUE;
3588 }
3589
3590
3591 /*********************************************************************
3592 *
3593 * EM_SETWORDBREAKPROC
3594 *
3595 */
3596 static void EDIT_EM_SetWordBreakProc(HWND hwnd, EDITSTATE *es, LPARAM lParam)
3597 {
3598 if (es->word_break_proc == (void *)lParam)
3599 return;
3600
3601 es->word_break_proc = (void *)lParam;
3602 es->word_break_proc16 = NULL;
3603
3604 if ((es->style & ES_MULTILINE) && !(es->style & ES_AUTOHSCROLL)) {
3605 EDIT_BuildLineDefs_ML(hwnd, es, 0, strlenW(es->text), 0, (HRGN)0);
3606 EDIT_UpdateText(hwnd, es, NULL, TRUE);
3607 }
3608 }
3609
3610
3611 /*********************************************************************
3612 *
3613 * EM_SETWORDBREAKPROC16
3614 *
3615 */
3616 static void EDIT_EM_SetWordBreakProc16(HWND hwnd, EDITSTATE *es, EDITWORDBREAKPROC16 wbp)
3617 {
3618 if (es->word_break_proc16 == wbp)
3619 return;
3620
3621 es->word_break_proc = NULL;
3622 es->word_break_proc16 = wbp;
3623 if ((es->style & ES_MULTILINE) && !(es->style & ES_AUTOHSCROLL)) {
3624 EDIT_BuildLineDefs_ML(hwnd, es, 0, strlenW(es->text), 0, (HRGN)0);
3625 EDIT_UpdateText(hwnd, es, NULL, TRUE);
3626 }
3627 }
3628
3629
3630 /*********************************************************************
3631 *
3632 * EM_UNDO / WM_UNDO
3633 *
3634 */
3635 static BOOL EDIT_EM_Undo(HWND hwnd, EDITSTATE *es)
3636 {
3637 INT ulength;
3638 LPWSTR utext;
3639
3640 /* Protect read-only edit control from modification */
3641 if(es->style & ES_READONLY)
3642 return FALSE;
3643
3644 ulength = strlenW(es->undo_text);
3645 utext = HeapAlloc(GetProcessHeap(), 0, (ulength + 1) * sizeof(WCHAR));
3646
3647 strcpyW(utext, es->undo_text);
3648
3649 TRACE("before UNDO:insertion length = %d, deletion buffer = %s\n",
3650 es->undo_insert_count, debugstr_w(utext));
3651
3652 EDIT_EM_SetSel(hwnd, es, es->undo_position, es->undo_position + es->undo_insert_count, FALSE);
3653 EDIT_EM_EmptyUndoBuffer(es);
3654 EDIT_EM_ReplaceSel(hwnd, es, TRUE, utext, FALSE);
3655 EDIT_EM_SetSel(hwnd, es, es->undo_position, es->undo_position + es->undo_insert_count, FALSE);
3656 /* send the notification after the selection start and end are set */
3657 EDIT_NOTIFY_PARENT(hwnd, es, EN_CHANGE, "EN_CHANGE");
3658 EDIT_EM_ScrollCaret(hwnd, es);
3659 HeapFree(GetProcessHeap(), 0, utext);
3660
3661 TRACE("after UNDO:insertion length = %d, deletion buffer = %s\n",
3662 es->undo_insert_count, debugstr_w(es->undo_text));
3663 return TRUE;
3664 }
3665
3666
3667 /*********************************************************************
3668 *
3669 * WM_CHAR
3670 *
3671 */
3672 static void EDIT_WM_Char(HWND hwnd, EDITSTATE *es, WCHAR c)
3673 {
3674 BOOL control;
3675
3676 /* Protect read-only edit control from modification */
3677 if(es->style & ES_READONLY)
3678 return;
3679
3680 control = GetKeyState(VK_CONTROL) & 0x8000;
3681
3682 switch (c) {
3683 case '\r':
3684 /* If the edit doesn't want the return and it's not a multiline edit, do nothing */
3685 if(!(es->style & ES_MULTILINE) && !(es->style & ES_WANTRETURN))
3686 break;
3687 case '\n':
3688 if (es->style & ES_MULTILINE) {
3689 if (es->style & ES_READONLY) {
3690 EDIT_MoveHome(hwnd, es, FALSE);
3691 EDIT_MoveDown_ML(hwnd, es, FALSE);
3692 } else {
3693 static const WCHAR cr_lfW[] = {'\r','\n',0};
3694 EDIT_EM_ReplaceSel(hwnd, es, TRUE, cr_lfW, TRUE);
3695 }
3696 }
3697 break;
3698 case '\t':
3699 if ((es->style & ES_MULTILINE) && !(es->style & ES_READONLY))
3700 {
3701 static const WCHAR tabW[] = {'\t',0};
3702 EDIT_EM_ReplaceSel(hwnd, es, TRUE, tabW, TRUE);
3703 }
3704 break;
3705 case VK_BACK:
3706 if (!(es->style & ES_READONLY) && !control) {
3707 if (es->selection_start != es->selection_end)
3708 EDIT_WM_Clear(hwnd, es);
3709 else {
3710 /* delete character left of caret */
3711 EDIT_EM_SetSel(hwnd, es, (UINT)-1, 0, FALSE);
3712 EDIT_MoveBackward(hwnd, es, TRUE);
3713 EDIT_WM_Clear(hwnd, es);
3714 }
3715 }
3716 break;
3717 case 0x03: /* ^C */
3718 SendMessageW(hwnd, WM_COPY, 0, 0);
3719 break;
3720 case 0x16: /* ^V */
3721 SendMessageW(hwnd, WM_PASTE, 0, 0);
3722 break;
3723 case 0x18: /* ^X */
3724 SendMessageW(hwnd, WM_CUT, 0, 0);
3725 break;
3726
3727 default:
3728 if (!(es->style & ES_READONLY) && (c >= ' ') && (c != 127)) {
3729 WCHAR str[2];
3730 str[0] = c;
3731 str[1] = '\0';
3732 EDIT_EM_ReplaceSel(hwnd, es, TRUE, str, TRUE);
3733 }
3734 break;
3735 }
3736 }
3737
3738
3739 /*********************************************************************
3740 *
3741 * WM_COMMAND
3742 *
3743 */
3744 static void EDIT_WM_Command(HWND hwnd, EDITSTATE *es, INT code, INT id, HWND control)
3745 {
3746 if (code || control)
3747 return;
3748
3749 switch (id) {
3750 case EM_UNDO:
3751 EDIT_EM_Undo(hwnd, es);
3752 break;
3753 case WM_CUT:
3754 EDIT_WM_Cut(hwnd, es);
3755 break;
3756 case WM_COPY:
3757 EDIT_WM_Copy(hwnd, es);
3758 break;
3759 case WM_PASTE:
3760 EDIT_WM_Paste(hwnd, es);
3761 break;
3762 case WM_CLEAR:
3763 EDIT_WM_Clear(hwnd, es);
3764 break;
3765 case EM_SETSEL:
3766 EDIT_EM_SetSel(hwnd, es, 0, (UINT)-1, FALSE);
3767 EDIT_EM_ScrollCaret(hwnd, es);
3768 break;
3769 default:
3770 ERR("unknown menu item, please report\n");
3771 break;
3772 }
3773 }
3774
3775
3776 /*********************************************************************
3777 *
3778 * WM_CONTEXTMENU
3779 *
3780 * Note: the resource files resource/sysres_??.rc cannot define a
3781 * single popup menu. Hence we use a (dummy) menubar
3782 * containing the single popup menu as its first item.
3783 *
3784 * FIXME: the message identifiers have been chosen arbitrarily,
3785 * hence we use MF_BYPOSITION.
3786 * We might as well use the "real" values (anybody knows ?)
3787 * The menu definition is in resources/sysres_??.rc.
3788 * Once these are OK, we better use MF_BYCOMMAND here
3789 * (as we do in EDIT_WM_Command()).
3790 *
3791 */
3792 static void EDIT_WM_ContextMenu(HWND hwnd, EDITSTATE *es, INT x, INT y)
3793 {
3794 HMENU menu = LoadMenuA(GetModuleHandleA("USER32"), "EDITMENU");
3795 HMENU popup = GetSubMenu(menu, 0);
3796 UINT start = es->selection_start;
3797 UINT end = es->selection_end;
3798
3799 ORDER_UINT(start, end);
3800
3801 /* undo */
3802 EnableMenuItem(popup, 0, MF_BYPOSITION | (EDIT_EM_CanUndo(es) && !(es->style & ES_READONLY) ? MF_ENABLED : MF_GRAYED));
3803 /* cut */
3804 EnableMenuItem(popup, 2, MF_BYPOSITION | ((end - start) && !(es->style & ES_PASSWORD) && !(es->style & ES_READONLY) ? MF_ENABLED : MF_GRAYED));
3805 /* copy */
3806 EnableMenuItem(popup, 3, MF_BYPOSITION | ((end - start) && !(es->style & ES_PASSWORD) ? MF_ENABLED : MF_GRAYED));
3807 /* paste */
3808 EnableMenuItem(popup, 4, MF_BYPOSITION | (IsClipboardFormatAvailable(CF_UNICODETEXT) && !(es->style & ES_READONLY) ? MF_ENABLED : MF_GRAYED));
3809 /* delete */
3810 EnableMenuItem(popup, 5, MF_BYPOSITION | ((end - start) && !(es->style & ES_READONLY) ? MF_ENABLED : MF_GRAYED));
3811 /* select all */
3812 EnableMenuItem(popup, 7, MF_BYPOSITION | (start || (end != strlenW(es->text)) ? MF_ENABLED : MF_GRAYED));
3813
3814 TrackPopupMenu(popup, TPM_LEFTALIGN | TPM_RIGHTBUTTON, x, y, 0, hwnd, NULL);
3815 DestroyMenu(menu);
3816 }
3817
3818
3819 /*********************************************************************
3820 *
3821 * WM_COPY
3822 *
3823 */
3824 static void EDIT_WM_Copy(HWND hwnd, EDITSTATE *es)
3825 {
3826 INT s = es->selection_start;
3827 INT e = es->selection_end;
3828 HGLOBAL hdst;
3829 LPWSTR dst;
3830
3831 if (e == s)
3832 return;
3833 ORDER_INT(s, e);
3834 hdst = GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE, (DWORD)(e - s + 1) * sizeof(WCHAR));
3835 dst = GlobalLock(hdst);
3836 strncpyW(dst, es->text + s, e - s);
3837 dst[e - s] = 0; /* ensure 0 termination */
3838 TRACE("%s\n", debugstr_w(dst));
3839 GlobalUnlock(hdst);
3840 OpenClipboard(hwnd);
3841 EmptyClipboard();
3842 SetClipboardData(CF_UNICODETEXT, hdst);
3843 CloseClipboard();
3844 }
3845
3846
3847 /*********************************************************************
3848 *
3849 * WM_CREATE
3850 *
3851 */
3852 static LRESULT EDIT_WM_Create(HWND hwnd, EDITSTATE *es, LPCWSTR name)
3853 {
3854 TRACE("%s\n", debugstr_w(name));
3855 /*
3856 * To initialize some final structure members, we call some helper
3857 * functions. However, since the EDITSTATE is not consistent (i.e.
3858 * not fully initialized), we should be very careful which
3859 * functions can be called, and in what order.
3860 */
3861 EDIT_WM_SetFont(hwnd, es, 0, FALSE);
3862 EDIT_EM_EmptyUndoBuffer(es);
3863
3864 if (name && *name) {
3865 EDIT_EM_ReplaceSel(hwnd, es, FALSE, name, FALSE);
3866 /* if we insert text to the editline, the text scrolls out
3867 * of the window, as the caret is placed after the insert
3868 * pos normally; thus we reset es->selection... to 0 and
3869 * update caret
3870 */
3871 es->selection_start = es->selection_end = 0;
3872 /* send the notification after the selection start and end are set */
3873 EDIT_NOTIFY_PARENT(hwnd, es, EN_CHANGE, "EN_CHANGE");
3874 EDIT_EM_ScrollCaret(hwnd, es);
3875 }
3876 /* force scroll info update */
3877 EDIT_UpdateScrollInfo(hwnd, es);
3878 return 0;
3879 }
3880
3881
3882 /*********************************************************************
3883 *
3884 * WM_DESTROY
3885 *
3886 */
3887 static void EDIT_WM_Destroy(HWND hwnd, EDITSTATE *es)
3888 {
3889 HINSTANCE hInstance = GetWindowLongA( hwnd, GWL_HINSTANCE );
3890 LINEDEF *pc, *pp;
3891
3892 if (es->hloc32W) {
3893 while (LocalUnlock(es->hloc32W)) ;
3894 LocalFree(es->hloc32W);
3895 }
3896 if (es->hloc32A) {
3897 while (LocalUnlock(es->hloc32A)) ;
3898 LocalFree(es->hloc32A);
3899 }
3900 if (es->hloc16) {
3901 while (LOCAL_Unlock(hInstance, es->hloc16)) ;
3902 LOCAL_Free(hInstance, es->hloc16);
3903 }
3904
3905 pc = es->first_line_def;
3906 while (pc)
3907 {
3908 pp = pc->next;
3909 HeapFree(GetProcessHeap(), 0, pc);
3910 pc = pp;
3911 }
3912
3913 SetWindowLongA( hwnd, 0, 0 );
3914 HeapFree(GetProcessHeap(), 0, es);
3915 }
3916
3917
3918 /*********************************************************************
3919 *
3920 * WM_ERASEBKGND
3921 *
3922 */
3923 static LRESULT EDIT_WM_EraseBkGnd(HWND hwnd, EDITSTATE *es, HDC dc)
3924 {
3925 HBRUSH brush;
3926 RECT rc;
3927
3928 if ( get_app_version() >= 0x40000 &&(
3929 !es->bEnableState || (es->style & ES_READONLY)))
3930 brush = (HBRUSH)EDIT_SEND_CTLCOLORSTATIC(hwnd, dc);
3931 else
3932 brush = (HBRUSH)EDIT_SEND_CTLCOLOR(hwnd, dc);
3933
3934 if (!brush)
3935 brush = (HBRUSH)GetStockObject(WHITE_BRUSH);
3936
3937 GetClientRect(hwnd, &rc);
3938 IntersectClipRect(dc, rc.left, rc.top, rc.right, rc.bottom);
3939 GetClipBox(dc, &rc);
3940 /*
3941 * FIXME: specs say that we should UnrealizeObject() the brush,
3942 * but the specs of UnrealizeObject() say that we shouldn't
3943 * unrealize a stock object. The default brush that
3944 * DefWndProc() returns is ... a stock object.
3945 */
3946 FillRect(dc, &rc, brush);
3947 return -1;
3948 }
3949
3950
3951 /*********************************************************************
3952 *
3953 * WM_GETTEXT
3954 *
3955 */
3956 static INT EDIT_WM_GetText(EDITSTATE *es, INT count, LPARAM lParam, BOOL unicode)
3957 {
3958 if(!count) return 0;
3959
3960 if(unicode)
3961 {
3962 LPWSTR textW = (LPWSTR)lParam;
3963 strncpyW(textW, es->text, count);
3964 textW[count - 1] = 0; /* ensure 0 termination */
3965 return strlenW(textW);
3966 }
3967 else
3968 {
3969 LPSTR textA = (LPSTR)lParam;
3970 WideCharToMultiByte(CP_ACP, 0, es->text, -1, textA, count, NULL, NULL);
3971 textA[count - 1] = 0; /* ensure 0 termination */
3972 return strlen(textA);
3973 }
3974 }
3975
3976 /*********************************************************************
3977 *
3978 * WM_HSCROLL
3979 *
3980 */
3981 static LRESULT EDIT_WM_HScroll(HWND hwnd, EDITSTATE *es, INT action, INT pos)
3982 {
3983 INT dx;
3984 INT fw;
3985
3986 if (!(es->style & ES_MULTILINE))
3987 return 0;
3988
3989 if (!(es->style & ES_AUTOHSCROLL))
3990 return 0;
3991
3992 dx = 0;
3993 fw = es->format_rect.right - es->format_rect.left;
3994 switch (action) {
3995 case SB_LINELEFT:
3996 TRACE("SB_LINELEFT\n");
3997 if (es->x_offset)
3998 dx = -es->char_width;
3999 break;
4000 case SB_LINERIGHT:
4001 TRACE("SB_LINERIGHT\n");
4002 if (es->x_offset < es->text_width)
4003 dx = es->char_width;
4004 break;
4005 case SB_PAGELEFT:
4006 TRACE("SB_PAGELEFT\n");
4007 if (es->x_offset)
4008 dx = -fw / HSCROLL_FRACTION / es->char_width * es->char_width;
4009 break;
4010 case SB_PAGERIGHT:
4011 TRACE("SB_PAGERIGHT\n");
4012 if (es->x_offset < es->text_width)
4013 dx = fw / HSCROLL_FRACTION / es->char_width * es->char_width;
4014 break;
4015 case SB_LEFT:
4016 TRACE("SB_LEFT\n");
4017 if (es->x_offset)
4018 dx = -es->x_offset;
4019 break;
4020 case SB_RIGHT:
4021 TRACE("SB_RIGHT\n");
4022 if (es->x_offset < es->text_width)
4023 dx = es->text_width - es->x_offset;
4024 break;
4025 case SB_THUMBTRACK:
4026 TRACE("SB_THUMBTRACK %d\n", pos);
4027 es->flags |= EF_HSCROLL_TRACK;
4028 if(es->style & WS_HSCROLL)
4029 dx = pos - es->x_offset;
4030 else
4031 {
4032 INT fw, new_x;
4033 /* Sanity check */
4034 if(pos < 0 || pos > 100) return 0;
4035 /* Assume default scroll range 0-100 */
4036 fw = es->format_rect.right - es->format_rect.left;
4037 new_x = pos * (es->text_width - fw) / 100;
4038 dx = es->text_width ? (new_x - es->x_offset) : 0;
4039 }
4040 break;
4041 case SB_THUMBPOSITION:
4042 TRACE("SB_THUMBPOSITION %d\n", pos);
4043 es->flags &= ~EF_HSCROLL_TRACK;
4044 if(GetWindowLongA( hwnd, GWL_STYLE ) & WS_HSCROLL)
4045 dx = pos - es->x_offset;
4046 else
4047 {
4048 INT fw, new_x;
4049 /* Sanity check */
4050 if(pos < 0 || pos > 100) return 0;
4051 /* Assume default scroll range 0-100 */
4052 fw = es->format_rect.right - es->format_rect.left;
4053 new_x = pos * (es->text_width - fw) / 100;
4054 dx = es->text_width ? (new_x - es->x_offset) : 0;
4055 }
4056 if (!dx) {
4057 /* force scroll info update */
4058 EDIT_UpdateScrollInfo(hwnd, es);
4059 EDIT_NOTIFY_PARENT(hwnd, es, EN_HSCROLL, "EN_HSCROLL");
4060 }
4061 break;
4062 case SB_ENDSCROLL:
4063 TRACE("SB_ENDSCROLL\n");
4064 break;
4065 /*
4066 * FIXME : the next two are undocumented !
4067 * Are we doing the right thing ?
4068 * At least Win 3.1 Notepad makes use of EM_GETTHUMB this way,
4069 * although it's also a regular control message.
4070 */
4071 case EM_GETTHUMB: /* this one is used by NT notepad */
4072 case EM_GETTHUMB16:
4073 {
4074 LRESULT ret;
4075 if(GetWindowLongA( hwnd, GWL_STYLE ) & WS_HSCROLL)
4076 ret = GetScrollPos(hwnd, SB_HORZ);
4077 else
4078 {
4079 /* Assume default scroll range 0-100 */
4080 INT fw = es->format_rect.right - es->format_rect.left;
4081 ret = es->text_width ? es->x_offset * 100 / (es->text_width - fw) : 0;
4082 }
4083 TRACE("EM_GETTHUMB: returning %ld\n", ret);
4084 return ret;
4085 }
4086 case EM_LINESCROLL16:
4087 TRACE("EM_LINESCROLL16\n");
4088 dx = pos;
4089 break;
4090
4091 default:
4092 ERR("undocumented WM_HSCROLL action %d (0x%04x), please report\n",
4093 action, action);
4094 return 0;
4095 }
4096 if (dx)
4097 {
4098 INT fw = es->format_rect.right - es->format_rect.left;
4099 /* check if we are going to move too far */
4100 if(es->x_offset + dx + fw > es->text_width)
4101 dx = es->text_width - fw - es->x_offset;
4102 if(dx)
4103 EDIT_EM_LineScroll_internal(hwnd, es, dx, 0);
4104 }
4105 return 0;
4106 }
4107
4108
4109 /*********************************************************************
4110 *
4111 * EDIT_CheckCombo
4112 *
4113 */
4114 static BOOL EDIT_CheckCombo(HWND hwnd, EDITSTATE *es, UINT msg, INT key)
4115 {
4116 HWND hLBox = es->hwndListBox;
4117 HWND hCombo;
4118 BOOL bDropped;
4119 int nEUI;
4120
4121 if (!hLBox)
4122 return FALSE;
4123
4124 hCombo = GetParent(hwnd);
4125 bDropped = TRUE;
4126 nEUI = 0;
4127
4128 TRACE_(combo)("[%04x]: handling msg %04x (%04x)\n",
4129 hwnd, (UINT16)msg, (UINT16)key);
4130
4131 if (key == VK_UP || key == VK_DOWN)
4132 {
4133 if (SendMessageW(hCombo, CB_GETEXTENDEDUI, 0, 0))
4134 nEUI = 1;
4135
4136 if (msg == WM_KEYDOWN || nEUI)
4137 bDropped = (BOOL)SendMessageW(hCombo, CB_GETDROPPEDSTATE, 0, 0);
4138 }
4139
4140 switch (msg)
4141 {
4142 case WM_KEYDOWN:
4143 if (!bDropped && nEUI && (key == VK_UP || key == VK_DOWN))
4144 {
4145 /* make sure ComboLBox pops up */
4146 SendMessageW(hCombo, CB_SETEXTENDEDUI, FALSE, 0);
4147 key = VK_F4;
4148 nEUI = 2;
4149 }
4150
4151 SendMessageW(hLBox, WM_KEYDOWN, (WPARAM)key, 0);
4152 break;
4153
4154 case WM_SYSKEYDOWN: /* Handle Alt+up/down arrows */
4155 if (nEUI)
4156 SendMessageW(hCombo, CB_SHOWDROPDOWN, bDropped ? FALSE : TRUE, 0);
4157 else
4158 SendMessageW(hLBox, WM_KEYDOWN, (WPARAM)VK_F4, 0);
4159 break;
4160 }
4161
4162 if(nEUI == 2)
4163 SendMessageW(hCombo, CB_SETEXTENDEDUI, TRUE, 0);
4164
4165 return TRUE;
4166 }
4167
4168
4169 /*********************************************************************
4170 *
4171 * WM_KEYDOWN
4172 *
4173 * Handling of special keys that don't produce a WM_CHAR
4174 * (i.e. non-printable keys) & Backspace & Delete
4175 *
4176 */
4177 static LRESULT EDIT_WM_KeyDown(HWND hwnd, EDITSTATE *es, INT key)
4178 {
4179 BOOL shift;
4180 BOOL control;
4181
4182 if (GetKeyState(VK_MENU) & 0x8000)
4183 return 0;
4184
4185 shift = GetKeyState(VK_SHIFT) & 0x8000;
4186 control = GetKeyState(VK_CONTROL) & 0x8000;
4187
4188 switch (key) {
4189 case VK_F4:
4190 case VK_UP:
4191 if (EDIT_CheckCombo(hwnd, es, WM_KEYDOWN, key) || key == VK_F4)
4192 break;
4193
4194 /* fall through */
4195 case VK_LEFT:
4196 if ((es->style & ES_MULTILINE) && (key == VK_UP))
4197 EDIT_MoveUp_ML(hwnd, es, shift);
4198 else
4199 if (control)
4200 EDIT_MoveWordBackward(hwnd, es, shift);
4201 else
4202 EDIT_MoveBackward(hwnd, es, shift);
4203 break;
4204 case VK_DOWN:
4205 if (EDIT_CheckCombo(hwnd, es, WM_KEYDOWN, key))
4206 break;
4207 /* fall through */
4208 case VK_RIGHT:
4209 if ((es->style & ES_MULTILINE) && (key == VK_DOWN))
4210 EDIT_MoveDown_ML(hwnd, es, shift);
4211 else if (control)
4212 EDIT_MoveWordForward(hwnd, es, shift);
4213 else
4214 EDIT_MoveForward(hwnd, es, shift);
4215 break;
4216 case VK_HOME:
4217 EDIT_MoveHome(hwnd, es, shift);
4218 break;
4219 case VK_END:
4220 EDIT_MoveEnd(hwnd, es, shift);
4221 break;
4222 case VK_PRIOR:
4223 if (es->style & ES_MULTILINE)
4224 EDIT_MovePageUp_ML(hwnd, es, shift);
4225 else
4226 EDIT_CheckCombo(hwnd, es, WM_KEYDOWN, key);
4227 break;
4228 case VK_NEXT:
4229 if (es->style & ES_MULTILINE)
4230 EDIT_MovePageDown_ML(hwnd, es, shift);
4231 else
4232 EDIT_CheckCombo(hwnd, es, WM_KEYDOWN, key);
4233 break;
4234 case VK_DELETE:
4235 if (!(es->style & ES_READONLY) && !(shift && control)) {
4236 if (es->selection_start != es->selection_end) {
4237 if (shift)
4238 EDIT_WM_Cut(hwnd, es);
4239 else
4240 EDIT_WM_Clear(hwnd, es);
4241 } else {
4242 if (shift) {
4243 /* delete character left of caret */
4244 EDIT_EM_SetSel(hwnd, es, (UINT)-1, 0, FALSE);
4245 EDIT_MoveBackward(hwnd, es, TRUE);
4246 EDIT_WM_Clear(hwnd, es);
4247 } else if (control) {
4248 /* delete to end of line */
4249 EDIT_EM_SetSel(hwnd, es, (UINT)-1, 0, FALSE);
4250 EDIT_MoveEnd(hwnd, es, TRUE);
4251 EDIT_WM_Clear(hwnd, es);
4252 } else {
4253 /* delete character right of caret */
4254 EDIT_EM_SetSel(hwnd, es, (UINT)-1, 0, FALSE);
4255 EDIT_MoveForward(hwnd, es, TRUE);
4256 EDIT_WM_Clear(hwnd, es);
4257 }
4258 }
4259 }
4260 break;
4261 case VK_INSERT:
4262 if (shift) {
4263 if (!(es->style & ES_READONLY))
4264 EDIT_WM_Paste(hwnd, es);
4265 } else if (control)
4266 EDIT_WM_Copy(hwnd, es);
4267 break;
4268 case VK_RETURN:
4269 /* If the edit doesn't want the return send a message to the default object */
4270 if(!(es->style & ES_WANTRETURN))
4271 {
4272 HWND hwndParent = GetParent(hwnd);
4273 DWORD dw = SendMessageW( hwndParent, DM_GETDEFID, 0, 0 );
4274 if (HIWORD(dw) == DC_HASDEFID)
4275 {
4276 SendMessageW( hwndParent, WM_COMMAND,
4277 MAKEWPARAM( LOWORD(dw), BN_CLICKED ),
4278 (LPARAM)GetDlgItem( hwndParent, LOWORD(dw) ) );
4279 }
4280 }
4281 break;
4282 }
4283 return 0;
4284 }
4285
4286
4287 /*********************************************************************
4288 *
4289 * WM_KILLFOCUS
4290 *
4291 */
4292 static LRESULT EDIT_WM_KillFocus(HWND hwnd, EDITSTATE *es)
4293 {
4294 es->flags &= ~EF_FOCUSED;
4295 DestroyCaret();
4296 if(!(es->style & ES_NOHIDESEL))
4297 EDIT_InvalidateText(hwnd, es, es->selection_start, es->selection_end);
4298 EDIT_NOTIFY_PARENT(hwnd, es, EN_KILLFOCUS, "EN_KILLFOCUS");
4299 return 0;
4300 }
4301
4302
4303 /*********************************************************************
4304 *
4305 * WM_LBUTTONDBLCLK
4306 *
4307 * The caret position has been set on the WM_LBUTTONDOWN message
4308 *
4309 */
4310 static LRESULT EDIT_WM_LButtonDblClk(HWND hwnd, EDITSTATE *es)
4311 {
4312 INT s;
4313 INT e = es->selection_end;
4314 INT l;
4315 INT li;
4316 INT ll;
4317
4318 if (!(es->flags & EF_FOCUSED))
4319 return 0;
4320
4321 l = EDIT_EM_LineFromChar(es, e);
4322 li = EDIT_EM_LineIndex(es, l);
4323 ll = EDIT_EM_LineLength(es, e);
4324 s = li + EDIT_CallWordBreakProc(es, li, e - li, ll, WB_LEFT);
4325 e = li + EDIT_CallWordBreakProc(es, li, e - li, ll, WB_RIGHT);
4326 EDIT_EM_SetSel(hwnd, es, s, e, FALSE);
4327 EDIT_EM_ScrollCaret(hwnd, es);
4328 return 0;
4329 }
4330
4331
4332 /*********************************************************************
4333 *
4334 * WM_LBUTTONDOWN
4335 *
4336 */
4337 static LRESULT EDIT_WM_LButtonDown(HWND hwnd, EDITSTATE *es, DWORD keys, INT x, INT y)
4338 {
4339 INT e;
4340 BOOL after_wrap;
4341
4342 if (!(es->flags & EF_FOCUSED))
4343 return 0;
4344
4345 es->bCaptureState = TRUE;
4346 SetCapture(hwnd);
4347 EDIT_ConfinePoint(es, &x, &y);
4348 e = EDIT_CharFromPos(hwnd, es, x, y, &after_wrap);
4349 EDIT_EM_SetSel(hwnd, es, (keys & MK_SHIFT) ? es->selection_start : e, e, after_wrap);
4350 EDIT_EM_ScrollCaret(hwnd, es);
4351 es->region_posx = es->region_posy = 0;
4352 SetTimer(hwnd, 0, 100, NULL);
4353 return 0;
4354 }
4355
4356
4357 /*********************************************************************
4358 *
4359 * WM_LBUTTONUP
4360 *
4361 */
4362 static LRESULT EDIT_WM_LButtonUp(HWND hwndSelf, EDITSTATE *es)
4363 {
4364 if (es->bCaptureState && GetCapture() == hwndSelf) {
4365 KillTimer(hwndSelf, 0);
4366 ReleaseCapture();
4367 }
4368 es->bCaptureState = FALSE;
4369 return 0;
4370 }
4371
4372
4373 /*********************************************************************
4374 *
4375 * WM_MBUTTONDOWN
4376 *
4377 */
4378 static LRESULT EDIT_WM_MButtonDown(HWND hwnd)
4379 {
4380 SendMessageW(hwnd,WM_PASTE,0,0);
4381 return 0;
4382 }
4383
4384
4385 /*********************************************************************
4386 *
4387 * WM_MOUSEMOVE
4388 *
4389 */
4390 static LRESULT EDIT_WM_MouseMove(HWND hwnd, EDITSTATE *es, INT x, INT y)
4391 {
4392 INT e;
4393 BOOL after_wrap;
4394 INT prex, prey;
4395
4396 if (GetCapture() != hwnd)
4397 return 0;
4398
4399 /*
4400 * FIXME: gotta do some scrolling if outside client
4401 * area. Maybe reset the timer ?
4402 */
4403 prex = x; prey = y;
4404 EDIT_ConfinePoint(es, &x, &y);
4405 es->region_posx = (prex < x) ? -1 : ((prex > x) ? 1 : 0);
4406 es->region_posy = (prey < y) ? -1 : ((prey > y) ? 1 : 0);
4407 e = EDIT_CharFromPos(hwnd, es, x, y, &after_wrap);
4408 EDIT_EM_SetSel(hwnd, es, es->selection_start, e, after_wrap);
4409 return 0;
4410 }
4411
4412
4413 /*********************************************************************
4414 *
4415 * WM_NCCREATE
4416 *
4417 * See also EDIT_WM_StyleChanged
4418 */
4419 static LRESULT EDIT_WM_NCCreate(HWND hwnd, DWORD style, HWND hwndParent, BOOL unicode)
4420 {
4421 EDITSTATE *es;
4422 UINT alloc_size;
4423
4424 TRACE("Creating %s edit control, style = %08lx\n",
4425 unicode ? "Unicode" : "ANSI", style);
4426
4427 if (!(es = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*es))))
4428 return FALSE;
4429 SetWindowLongA( hwnd, 0, (LONG)es );
4430
4431 /*
4432 * Note: since the EDITSTATE has not been fully initialized yet,
4433 * we can't use any API calls that may send
4434 * WM_XXX messages before WM_NCCREATE is completed.
4435 */
4436
4437 es->is_unicode = unicode;
4438 es->style = style;
4439
4440 es->bEnableState = !(style & WS_DISABLED);
4441
4442 /* Save parent, which will be notified by EN_* messages */
4443 es->hwndParent = hwndParent;
4444
4445 if (es->style & ES_COMBO)
4446 es->hwndListBox = GetDlgItem(hwndParent, ID_CB_LISTBOX);
4447
4448 /* Number overrides lowercase overrides uppercase (at least it
4449 * does in Win95). However I'll bet that ES_NUMBER would be
4450 * invalid under Win 3.1.
4451 */
4452 if (es->style & ES_NUMBER) {
4453 ; /* do not override the ES_NUMBER */
4454 } else if (es->style & ES_LOWERCASE) {
4455 es->style &= ~ES_UPPERCASE;
4456 }
4457 if (es->style & ES_MULTILINE) {
4458 es->buffer_limit = BUFLIMIT_MULTI;
4459 if (es->style & WS_VSCROLL)
4460 es->style |= ES_AUTOVSCROLL;
4461 if (es->style & WS_HSCROLL)
4462 es->style |= ES_AUTOHSCROLL;
4463 es->style &= ~ES_PASSWORD;
4464 if ((es->style & ES_CENTER) || (es->style & ES_RIGHT)) {
4465 /* Confirmed - RIGHT overrides CENTER */
4466 if (es->style & ES_RIGHT)
4467 es->style &= ~ES_CENTER;
4468 es->style &= ~WS_HSCROLL;
4469 es->style &= ~ES_AUTOHSCROLL;
4470 }
4471
4472 /* FIXME: for now, all multi line controls are AUTOVSCROLL */
4473 es->style |= ES_AUTOVSCROLL;
4474 } else {
4475 es->buffer_limit = BUFLIMIT_SINGLE;
4476 if (WIN31_LOOK == TWEAK_WineLook ||
4477 WIN95_LOOK == TWEAK_WineLook) {
4478 es->style &= ~ES_CENTER;
4479 es->style &= ~ES_RIGHT;
4480 } else {
4481 if (es->style & ES_RIGHT)
4482 es->style &= ~ES_CENTER;
4483 }
4484 es->style &= ~WS_HSCROLL;
4485 es->style &= ~WS_VSCROLL;
4486 es->style &= ~ES_AUTOVSCROLL;
4487 es->style &= ~ES_WANTRETURN;
4488 if (es->style & ES_PASSWORD)
4489 es->password_char = '*';
4490
4491 /* FIXME: for now, all single line controls are AUTOHSCROLL */
4492 es->style |= ES_AUTOHSCROLL;
4493 }
4494
4495 alloc_size = ROUND_TO_GROW((es->buffer_size + 1) * sizeof(WCHAR));
4496 if(!(es->hloc32W = LocalAlloc(LMEM_MOVEABLE | LMEM_ZEROINIT, alloc_size)))
4497 return FALSE;
4498 es->buffer_size = LocalSize(es->hloc32W)/sizeof(WCHAR) - 1;
4499
4500 if (!(es->undo_text = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, (es->buffer_size + 1) * sizeof(WCHAR))))
4501 return FALSE;
4502 es->undo_buffer_size = es->buffer_size;
4503
4504 if (es->style & ES_MULTILINE)
4505 if (!(es->first_line_def = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(LINEDEF))))
4506 return FALSE;
4507 es->line_count = 1;
4508
4509 /*
4510 * In Win95 look and feel, the WS_BORDER style is replaced by the
4511 * WS_EX_CLIENTEDGE style for the edit control. This gives the edit
4512 * control a non client area. Not always. This coordinates in some
4513 * way with the window creation code in dialog.c When making
4514 * modifications please ensure that the code still works for edit
4515 * controls created directly with style 0x50800000, exStyle 0 (
4516 * which should have a single pixel border)
4517 */
4518 if (TWEAK_WineLook != WIN31_LOOK)
4519 {
4520 es->style &= ~WS_BORDER;
4521 }
4522 else
4523 {
4524 if ((es->style & WS_BORDER) && !(es->style & WS_DLGFRAME))
4525 SetWindowLongA( hwnd, GWL_STYLE,
4526 GetWindowLongA( hwnd, GWL_STYLE ) & ~WS_BORDER );
4527 }
4528
4529 return TRUE;
4530 }
4531
4532 /*********************************************************************
4533 *
4534 * WM_PAINT
4535 *
4536 */
4537 static void EDIT_WM_Paint(HWND hwnd, EDITSTATE *es, WPARAM wParam)
4538 {
4539 PAINTSTRUCT ps;
4540 INT i;
4541 HDC dc;
4542 HFONT old_font = 0;
4543 RECT rc;
4544 RECT rcLine;
4545 RECT rcRgn;
4546 BOOL rev = es->bEnableState &&
4547 ((es->flags & EF_FOCUSED) ||
4548 (es->style & ES_NOHIDESEL));
4549 if (!wParam)
4550 dc = BeginPaint(hwnd, &ps);
4551 else
4552 dc = (HDC) wParam;
4553 if(es->style & WS_BORDER) {
4554 GetClientRect(hwnd, &rc);
4555 if(es->style & ES_MULTILINE) {
4556 if(es->style & WS_HSCROLL) rc.bottom++;
4557 if(es->style & WS_VSCROLL) rc.right++;
4558 }
4559 Rectangle(dc, rc.left, rc.top, rc.right, rc.bottom);
4560 }
4561 IntersectClipRect(dc, es->format_rect.left,
4562 es->format_rect.top,
4563 es->format_rect.right,
4564 es->format_rect.bottom);
4565 if (es->style & ES_MULTILINE) {
4566 GetClientRect(hwnd, &rc);
4567 IntersectClipRect(dc, rc.left, rc.top, rc.right, rc.bottom);
4568 }
4569 if (es->font)
4570 old_font = SelectObject(dc, es->font);
4571 if ( get_app_version() >= 0x40000 &&(
4572 !es->bEnableState || (es->style & ES_READONLY)))
4573 EDIT_SEND_CTLCOLORSTATIC(hwnd, dc);
4574 else
4575 EDIT_SEND_CTLCOLOR(hwnd, dc);
4576
4577 if (!es->bEnableState)
4578 SetTextColor(dc, GetSysColor(COLOR_GRAYTEXT));
4579 GetClipBox(dc, &rcRgn);
4580 if (es->style & ES_MULTILINE) {
4581 INT vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
4582 for (i = es->y_offset ; i <= min(es->y_offset + vlc, es->y_offset + es->line_count - 1) ; i++) {
4583 EDIT_GetLineRect(hwnd, es, i, 0, -1, &rcLine);
4584 if (IntersectRect(&rc, &rcRgn, &rcLine))
4585 EDIT_PaintLine(hwnd, es, dc, i, rev);
4586 }
4587 } else {
4588 EDIT_GetLineRect(hwnd, es, 0, 0, -1, &rcLine);
4589 if (IntersectRect(&rc, &rcRgn, &rcLine))
4590 EDIT_PaintLine(hwnd, es, dc, 0, rev);
4591 }
4592 if (es->font)
4593 SelectObject(dc, old_font);
4594
4595 if (!wParam)
4596 EndPaint(hwnd, &ps);
4597 }
4598
4599
4600 /*********************************************************************
4601 *
4602 * WM_PASTE
4603 *
4604 */
4605 static void EDIT_WM_Paste(HWND hwnd, EDITSTATE *es)
4606 {
4607 HGLOBAL hsrc;
4608 LPWSTR src;
4609
4610 /* Protect read-only edit control from modification */
4611 if(es->style & ES_READONLY)
4612 return;
4613
4614 OpenClipboard(hwnd);
4615 if ((hsrc = GetClipboardData(CF_UNICODETEXT))) {
4616 src = (LPWSTR)GlobalLock(hsrc);
4617 EDIT_EM_ReplaceSel(hwnd, es, TRUE, src, TRUE);
4618 GlobalUnlock(hsrc);
4619 }
4620 CloseClipboard();
4621 }
4622
4623
4624 /*********************************************************************
4625 *
4626 * WM_SETFOCUS
4627 *
4628 */
4629 static void EDIT_WM_SetFocus(HWND hwnd, EDITSTATE *es)
4630 {
4631 es->flags |= EF_FOCUSED;
4632 CreateCaret(hwnd, 0, 2, es->line_height);
4633 EDIT_SetCaretPos(hwnd, es, es->selection_end,
4634 es->flags & EF_AFTER_WRAP);
4635 if(!(es->style & ES_NOHIDESEL))
4636 EDIT_InvalidateText(hwnd, es, es->selection_start, es->selection_end);
4637 ShowCaret(hwnd);
4638 EDIT_NOTIFY_PARENT(hwnd, es, EN_SETFOCUS, "EN_SETFOCUS");
4639 }
4640
4641
4642 /*********************************************************************
4643 *
4644 * WM_SETFONT
4645 *
4646 * With Win95 look the margins are set to default font value unless
4647 * the system font (font == 0) is being set, in which case they are left
4648 * unchanged.
4649 *
4650 */
4651 static void EDIT_WM_SetFont(HWND hwnd, EDITSTATE *es, HFONT font, BOOL redraw)
4652 {
4653 TEXTMETRICW tm;
4654 HDC dc;
4655 HFONT old_font = 0;
4656 RECT r;
4657
4658 es->font = font;
4659 dc = GetDC(hwnd);
4660 if (font)
4661 old_font = SelectObject(dc, font);
4662 GetTextMetricsW(dc, &tm);
4663 es->line_height = tm.tmHeight;
4664 es->char_width = tm.tmAveCharWidth;
4665 if (font)
4666 SelectObject(dc, old_font);
4667 ReleaseDC(hwnd, dc);
4668 if (font && (TWEAK_WineLook > WIN31_LOOK))
4669 EDIT_EM_SetMargins(es, EC_LEFTMARGIN | EC_RIGHTMARGIN,
4670 EC_USEFONTINFO, EC_USEFONTINFO);
4671
4672 /* Force the recalculation of the format rect for each font change */
4673 GetClientRect(hwnd, &r);
4674 EDIT_SetRectNP(hwnd, es, &r);
4675
4676 if (es->style & ES_MULTILINE)
4677 EDIT_BuildLineDefs_ML(hwnd, es, 0, strlenW(es->text), 0, (HRGN)0);
4678 else
4679 EDIT_CalcLineWidth_SL(hwnd, es);
4680
4681 if (redraw)
4682 EDIT_UpdateText(hwnd, es, NULL, TRUE);
4683 if (es->flags & EF_FOCUSED) {
4684 DestroyCaret();
4685 CreateCaret(hwnd, 0, 2, es->line_height);
4686 EDIT_SetCaretPos(hwnd, es, es->selection_end,
4687 es->flags & EF_AFTER_WRAP);
4688 ShowCaret(hwnd);
4689 }
4690 }
4691
4692
4693 /*********************************************************************
4694 *
4695 * WM_SETTEXT
4696 *
4697 * NOTES
4698 * For multiline controls (ES_MULTILINE), reception of WM_SETTEXT triggers:
4699 * The modified flag is reset. No notifications are sent.
4700 *
4701 * For single-line controls, reception of WM_SETTEXT triggers:
4702 * The modified flag is reset. EN_UPDATE and EN_CHANGE notifications are sent.
4703 *
4704 */
4705 static void EDIT_WM_SetText(HWND hwnd, EDITSTATE *es, LPARAM lParam, BOOL unicode)
4706 {
4707 LPWSTR text = NULL;
4708
4709 if(unicode)
4710 text = (LPWSTR)lParam;
4711 else if (lParam)
4712 {
4713 LPCSTR textA = (LPCSTR)lParam;
4714 INT countW = MultiByteToWideChar(CP_ACP, 0, textA, -1, NULL, 0);
4715 if((text = HeapAlloc(GetProcessHeap(), 0, countW * sizeof(WCHAR))))
4716 MultiByteToWideChar(CP_ACP, 0, textA, -1, text, countW);
4717 }
4718
4719 EDIT_EM_SetSel(hwnd, es, 0, (UINT)-1, FALSE);
4720 if (text) {
4721 TRACE("%s\n", debugstr_w(text));
4722 EDIT_EM_ReplaceSel(hwnd, es, FALSE, text, FALSE);
4723 if(!unicode)
4724 HeapFree(GetProcessHeap(), 0, text);
4725 } else {
4726 static const WCHAR empty_stringW[] = {0};
4727 TRACE("<NULL>\n");
4728 EDIT_EM_ReplaceSel(hwnd, es, FALSE, empty_stringW, FALSE);
4729 }
4730 es->x_offset = 0;
4731 es->flags &= ~EF_MODIFIED;
4732 EDIT_EM_SetSel(hwnd, es, 0, 0, FALSE);
4733 /* Send the notification after the selection start and end have been set
4734 * edit control doesn't send notification on WM_SETTEXT
4735 * if it is multiline, or it is part of combobox
4736 */
4737 if( !((es->style & ES_MULTILINE) || es->hwndListBox))
4738 {
4739 EDIT_NOTIFY_PARENT(hwnd, es, EN_CHANGE, "EN_CHANGE");
4740 EDIT_NOTIFY_PARENT(hwnd, es, EN_UPDATE, "EN_UPDATE");
4741 }
4742 EDIT_EM_ScrollCaret(hwnd, es);
4743 }
4744
4745
4746 /*********************************************************************
4747 *
4748 * WM_SIZE
4749 *
4750 */
4751 static void EDIT_WM_Size(HWND hwnd, EDITSTATE *es, UINT action, INT width, INT height)
4752 {
4753 if ((action == SIZE_MAXIMIZED) || (action == SIZE_RESTORED)) {
4754 RECT rc;
4755 TRACE("width = %d, height = %d\n", width, height);
4756 SetRect(&rc, 0, 0, width, height);
4757 EDIT_SetRectNP(hwnd, es, &rc);
4758 EDIT_UpdateText(hwnd, es, NULL, TRUE);
4759 }
4760 }
4761
4762
4763 /*********************************************************************
4764 *
4765 * WM_STYLECHANGED
4766 *
4767 * This message is sent by SetWindowLong on having changed either the Style
4768 * or the extended style.
4769 *
4770 * We ensure that the window's version of the styles and the EDITSTATE's agree.
4771 *
4772 * See also EDIT_WM_NCCreate
4773 *
4774 * It appears that the Windows version of the edit control allows the style
4775 * (as retrieved by GetWindowLong) to be any value and maintains an internal
4776 * style variable which will generally be different. In this function we
4777 * update the internal style based on what changed in the externally visible
4778 * style.
4779 *
4780 * Much of this content as based upon the MSDN, especially:
4781 * Platform SDK Documentation -> User Interface Services ->
4782 * Windows User Interface -> Edit Controls -> Edit Control Reference ->
4783 * Edit Control Styles
4784 */
4785 static LRESULT EDIT_WM_StyleChanged (HWND hwnd,
4786 EDITSTATE *es,
4787 WPARAM which,
4788 const STYLESTRUCT *style)
4789 {
4790 if (GWL_STYLE == which) {
4791 DWORD style_change_mask;
4792 DWORD new_style;
4793 /* Only a subset of changes can be applied after the control
4794 * has been created.
4795 */
4796 style_change_mask = ES_UPPERCASE | ES_LOWERCASE |
4797 ES_NUMBER;
4798 if (es->style & ES_MULTILINE)
4799 style_change_mask |= ES_WANTRETURN;
4800
4801 new_style = style->styleNew & style_change_mask;
4802
4803 /* Number overrides lowercase overrides uppercase (at least it
4804 * does in Win95). However I'll bet that ES_NUMBER would be
4805 * invalid under Win 3.1.
4806 */
4807 if (new_style & ES_NUMBER) {
4808 ; /* do not override the ES_NUMBER */
4809 } else if (new_style & ES_LOWERCASE) {
4810 new_style &= ~ES_UPPERCASE;
4811 }
4812
4813 es->style = (es->style & ~style_change_mask) | new_style;
4814 } else if (GWL_EXSTYLE == which) {
4815 ; /* FIXME - what is needed here */
4816 } else {
4817 WARN ("Invalid style change %d\n",which);
4818 }
4819
4820 return 0;
4821 }
4822
4823 /*********************************************************************
4824 *
4825 * WM_SYSKEYDOWN
4826 *
4827 */
4828 static LRESULT EDIT_WM_SysKeyDown(HWND hwnd, EDITSTATE *es, INT key, DWORD key_data)
4829 {
4830 if ((key == VK_BACK) && (key_data & 0x2000)) {
4831 if (EDIT_EM_CanUndo(es))
4832 EDIT_EM_Undo(hwnd, es);
4833 return 0;
4834 } else if (key == VK_UP || key == VK_DOWN) {
4835 if (EDIT_CheckCombo(hwnd, es, WM_SYSKEYDOWN, key))
4836 return 0;
4837 }
4838 return DefWindowProcW(hwnd, WM_SYSKEYDOWN, (WPARAM)key, (LPARAM)key_data);
4839 }
4840
4841
4842 /*********************************************************************
4843 *
4844 * WM_TIMER
4845 *
4846 */
4847 static void EDIT_WM_Timer(HWND hwnd, EDITSTATE *es)
4848 {
4849 if (es->region_posx < 0) {
4850 EDIT_MoveBackward(hwnd, es, TRUE);
4851 } else if (es->region_posx > 0) {
4852 EDIT_MoveForward(hwnd, es, TRUE);
4853 }
4854 /*
4855 * FIXME: gotta do some vertical scrolling here, like
4856 * EDIT_EM_LineScroll(hwnd, 0, 1);
4857 */
4858 }
4859
4860 /*********************************************************************
4861 *
4862 * WM_VSCROLL
4863 *
4864 */
4865 static LRESULT EDIT_WM_VScroll(HWND hwnd, EDITSTATE *es, INT action, INT pos)
4866 {
4867 INT dy;
4868
4869 if (!(es->style & ES_MULTILINE))
4870 return 0;
4871
4872 if (!(es->style & ES_AUTOVSCROLL))
4873 return 0;
4874
4875 dy = 0;
4876 switch (action) {
4877 case SB_LINEUP:
4878 case SB_LINEDOWN:
4879 case SB_PAGEUP:
4880 case SB_PAGEDOWN:
4881 TRACE("action %d\n", action);
4882 EDIT_EM_Scroll(hwnd, es, action);
4883 return 0;
4884 case SB_TOP:
4885 TRACE("SB_TOP\n");
4886 dy = -es->y_offset;
4887 break;
4888 case SB_BOTTOM:
4889 TRACE("SB_BOTTOM\n");
4890 dy = es->line_count - 1 - es->y_offset;
4891 break;
4892 case SB_THUMBTRACK:
4893 TRACE("SB_THUMBTRACK %d\n", pos);
4894 es->flags |= EF_VSCROLL_TRACK;
4895 if(es->style & WS_VSCROLL)
4896 dy = pos - es->y_offset;
4897 else
4898 {
4899 /* Assume default scroll range 0-100 */
4900 INT vlc, new_y;
4901 /* Sanity check */
4902 if(pos < 0 || pos > 100) return 0;
4903 vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
4904 new_y = pos * (es->line_count - vlc) / 100;
4905 dy = es->line_count ? (new_y - es->y_offset) : 0;
4906 TRACE("line_count=%d, y_offset=%d, pos=%d, dy = %d\n",
4907 es->line_count, es->y_offset, pos, dy);
4908 }
4909 break;
4910 case SB_THUMBPOSITION:
4911 TRACE("SB_THUMBPOSITION %d\n", pos);
4912 es->flags &= ~EF_VSCROLL_TRACK;
4913 if(es->style & WS_VSCROLL)
4914 dy = pos - es->y_offset;
4915 else
4916 {
4917 /* Assume default scroll range 0-100 */
4918 INT vlc, new_y;
4919 /* Sanity check */
4920 if(pos < 0 || pos > 100) return 0;
4921 vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
4922 new_y = pos * (es->line_count - vlc) / 100;
4923 dy = es->line_count ? (new_y - es->y_offset) : 0;
4924 TRACE("line_count=%d, y_offset=%d, pos=%d, dy = %d\n",
4925 es->line_count, es->y_offset, pos, dy);
4926 }
4927 if (!dy)
4928 {
4929 /* force scroll info update */
4930 EDIT_UpdateScrollInfo(hwnd, es);
4931 EDIT_NOTIFY_PARENT(hwnd, es, EN_VSCROLL, "EN_VSCROLL");
4932 }
4933 break;
4934 case SB_ENDSCROLL:
4935 TRACE("SB_ENDSCROLL\n");
4936 break;
4937 /*
4938 * FIXME : the next two are undocumented !
4939 * Are we doing the right thing ?
4940 * At least Win 3.1 Notepad makes use of EM_GETTHUMB this way,
4941 * although it's also a regular control message.
4942 */
4943 case EM_GETTHUMB: /* this one is used by NT notepad */
4944 case EM_GETTHUMB16:
4945 {
4946 LRESULT ret;
4947 if(GetWindowLongA( hwnd, GWL_STYLE ) & WS_VSCROLL)
4948 ret = GetScrollPos(hwnd, SB_VERT);
4949 else
4950 {
4951 /* Assume default scroll range 0-100 */
4952 INT vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
4953 ret = es->line_count ? es->y_offset * 100 / (es->line_count - vlc) : 0;
4954 }
4955 TRACE("EM_GETTHUMB: returning %ld\n", ret);
4956 return ret;
4957 }
4958 case EM_LINESCROLL16:
4959 TRACE("EM_LINESCROLL16 %d\n", pos);
4960 dy = pos;
4961 break;
4962
4963 default:
4964 ERR("undocumented WM_VSCROLL action %d (0x%04x), please report\n",
4965 action, action);
4966 return 0;
4967 }
4968 if (dy)
4969 EDIT_EM_LineScroll(hwnd, es, 0, dy);
4970 return 0;
4971 }
4972
4973 /*********************************************************************
4974 *
4975 * EDIT_UpdateText
4976 *
4977 */
4978 static void EDIT_UpdateTextRegion(HWND hwnd, EDITSTATE *es, HRGN hrgn, BOOL bErase)
4979 {
4980 if (es->flags & EF_UPDATE) EDIT_NOTIFY_PARENT(hwnd, es, EN_UPDATE, "EN_UPDATE");
4981 InvalidateRgn(hwnd, hrgn, bErase);
4982 }
4983
4984
4985 /*********************************************************************
4986 *
4987 * EDIT_UpdateText
4988 *
4989 */
4990 static void EDIT_UpdateText(HWND hwnd, EDITSTATE *es, LPRECT rc, BOOL bErase)
4991 {
4992 if (es->flags & EF_UPDATE) EDIT_NOTIFY_PARENT(hwnd, es, EN_UPDATE, "EN_UPDATE");
4993 InvalidateRect(hwnd, rc, bErase);
4994 }