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Release 20020904.
[wine/gsoc-2012-control.git] / controls / edit.c
blob36a387ce1d950c594438e4fa5b80cf1454083cd9
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 if (unicode) result = strlenW(es->text);
973 else result = WideCharToMultiByte( CP_ACP, 0, es->text, strlenW(es->text),
974 NULL, 0, NULL, NULL );
975 break;
976
977 case WM_HSCROLL:
978 DPRINTF_EDIT_MSG32("WM_HSCROLL");
979 result = EDIT_WM_HScroll(hwnd, es, LOWORD(wParam), SHIWORD(wParam));
980 break;
981
982 case WM_KEYDOWN:
983 DPRINTF_EDIT_MSG32("WM_KEYDOWN");
984 result = EDIT_WM_KeyDown(hwnd, es, (INT)wParam);
985 break;
986
987 case WM_KILLFOCUS:
988 DPRINTF_EDIT_MSG32("WM_KILLFOCUS");
989 result = EDIT_WM_KillFocus(hwnd, es);
990 break;
991
992 case WM_LBUTTONDBLCLK:
993 DPRINTF_EDIT_MSG32("WM_LBUTTONDBLCLK");
994 result = EDIT_WM_LButtonDblClk(hwnd, es);
995 break;
996
997 case WM_LBUTTONDOWN:
998 DPRINTF_EDIT_MSG32("WM_LBUTTONDOWN");
999 result = EDIT_WM_LButtonDown(hwnd, es, (DWORD)wParam, SLOWORD(lParam), SHIWORD(lParam));
1000 break;
1001
1002 case WM_LBUTTONUP:
1003 DPRINTF_EDIT_MSG32("WM_LBUTTONUP");
1004 result = EDIT_WM_LButtonUp(hwnd, es);
1005 break;
1006
1007 case WM_MBUTTONDOWN:
1008 DPRINTF_EDIT_MSG32("WM_MBUTTONDOWN");
1009 result = EDIT_WM_MButtonDown(hwnd);
1010 break;
1011
1012 case WM_MOUSEACTIVATE:
1013 /*
1014 * FIXME: maybe DefWindowProc() screws up, but it seems that
1015 * modeless dialog boxes need this. If we don't do this, the focus
1016 * will _not_ be set by DefWindowProc() for edit controls in a
1017 * modeless dialog box ???
1018 */
1019 DPRINTF_EDIT_MSG32("WM_MOUSEACTIVATE");
1020 SetFocus(hwnd);
1021 result = MA_ACTIVATE;
1022 break;
1023
1024 case WM_MOUSEMOVE:
1025 /*
1026 * DPRINTF_EDIT_MSG32("WM_MOUSEMOVE");
1027 */
1028 result = EDIT_WM_MouseMove(hwnd, es, SLOWORD(lParam), SHIWORD(lParam));
1029 break;
1030
1031 case WM_PAINT:
1032 DPRINTF_EDIT_MSG32("WM_PAINT");
1033 EDIT_WM_Paint(hwnd, es, wParam);
1034 break;
1035
1036 case WM_PASTE:
1037 DPRINTF_EDIT_MSG32("WM_PASTE");
1038 EDIT_WM_Paste(hwnd, es);
1039 break;
1040
1041 case WM_SETFOCUS:
1042 DPRINTF_EDIT_MSG32("WM_SETFOCUS");
1043 EDIT_WM_SetFocus(hwnd, es);
1044 break;
1045
1046 case WM_SETFONT:
1047 DPRINTF_EDIT_MSG32("WM_SETFONT");
1048 EDIT_WM_SetFont(hwnd, es, (HFONT)wParam, LOWORD(lParam) != 0);
1049 break;
1050
1051 case WM_SETREDRAW:
1052 /* FIXME: actually set an internal flag and behave accordingly */
1053 break;
1054
1055 case WM_SETTEXT:
1056 DPRINTF_EDIT_MSG32("WM_SETTEXT");
1057 EDIT_WM_SetText(hwnd, es, lParam, unicode);
1058 result = TRUE;
1059 break;
1060
1061 case WM_SIZE:
1062 DPRINTF_EDIT_MSG32("WM_SIZE");
1063 EDIT_WM_Size(hwnd, es, (UINT)wParam, LOWORD(lParam), HIWORD(lParam));
1064 break;
1065
1066 case WM_STYLECHANGED:
1067 DPRINTF_EDIT_MSG32("WM_STYLECHANGED");
1068 result = EDIT_WM_StyleChanged (hwnd, es, wParam, (const STYLESTRUCT *)lParam);
1069 break;
1070
1071 case WM_STYLECHANGING:
1072 DPRINTF_EDIT_MSG32("WM_STYLECHANGING");
1073 result = 0; /* See EDIT_WM_StyleChanged */
1074 break;
1075
1076 case WM_SYSKEYDOWN:
1077 DPRINTF_EDIT_MSG32("WM_SYSKEYDOWN");
1078 result = EDIT_WM_SysKeyDown(hwnd, es, (INT)wParam, (DWORD)lParam);
1079 break;
1080
1081 case WM_TIMER:
1082 DPRINTF_EDIT_MSG32("WM_TIMER");
1083 EDIT_WM_Timer(hwnd, es);
1084 break;
1085
1086 case WM_VSCROLL:
1087 DPRINTF_EDIT_MSG32("WM_VSCROLL");
1088 result = EDIT_WM_VScroll(hwnd, es, LOWORD(wParam), SHIWORD(wParam));
1089 break;
1090
1091 case WM_MOUSEWHEEL:
1092 {
1093 int gcWheelDelta = 0;
1094 UINT pulScrollLines = 3;
1095 SystemParametersInfoW(SPI_GETWHEELSCROLLLINES,0, &pulScrollLines, 0);
1096
1097 if (wParam & (MK_SHIFT | MK_CONTROL)) {
1098 result = DefWindowProcW(hwnd, msg, wParam, lParam);
1099 break;
1100 }
1101 gcWheelDelta -= SHIWORD(wParam);
1102 if (abs(gcWheelDelta) >= WHEEL_DELTA && pulScrollLines)
1103 {
1104 int cLineScroll= (int) min((UINT) es->line_count, pulScrollLines);
1105 cLineScroll *= (gcWheelDelta / WHEEL_DELTA);
1106 result = EDIT_EM_LineScroll(hwnd, es, 0, cLineScroll);
1107 }
1108 }
1109 break;
1110 default:
1111 if(unicode)
1112 result = DefWindowProcW(hwnd, msg, wParam, lParam);
1113 else
1114 result = DefWindowProcA(hwnd, msg, wParam, lParam);
1115 break;
1116 }
1117 EDIT_UnlockBuffer(hwnd, es, FALSE);
1118 END:
1119 return result;
1120 }
1121
1122 /*********************************************************************
1123 *
1124 * EditWndProcW (USER32.@)
1125 */
1126 LRESULT WINAPI EditWndProcW(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
1127 {
1128 if (!IsWindow( hWnd )) return 0;
1129 return EditWndProc_common(hWnd, uMsg, wParam, lParam, TRUE);
1130 }
1131
1132 /*********************************************************************
1133 *
1134 * EditWndProc (USER32.@)
1135 */
1136 LRESULT WINAPI EditWndProcA(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
1137 {
1138 if (!IsWindow( hWnd )) return 0;
1139 return EditWndProc_common(hWnd, uMsg, wParam, lParam, FALSE);
1140 }
1141
1142 /*********************************************************************
1143 *
1144 * EDIT_BuildLineDefs_ML
1145 *
1146 * Build linked list of text lines.
1147 * Lines can end with '\0' (last line), a character (if it is wrapped),
1148 * a soft return '\r\r\n' or a hard return '\r\n'
1149 *
1150 */
1151 static void EDIT_BuildLineDefs_ML(HWND hwnd, EDITSTATE *es, INT istart, INT iend, INT delta, HRGN hrgn)
1152 {
1153 HDC dc;
1154 HFONT old_font = 0;
1155 LPWSTR current_position, cp;
1156 INT fw;
1157 LINEDEF *current_line;
1158 LINEDEF *previous_line;
1159 LINEDEF *start_line;
1160 INT line_index = 0, nstart_line = 0, nstart_index = 0;
1161 INT line_count = es->line_count;
1162 INT orig_net_length;
1163 RECT rc;
1164
1165 if (istart == iend && delta == 0)
1166 return;
1167
1168 dc = GetDC(hwnd);
1169 if (es->font)
1170 old_font = SelectObject(dc, es->font);
1171
1172 previous_line = NULL;
1173 current_line = es->first_line_def;
1174
1175 /* Find starting line. istart must lie inside an existing line or
1176 * at the end of buffer */
1177 do {
1178 if (istart < current_line->index + current_line->length ||
1179 current_line->ending == END_0)
1180 break;
1181
1182 previous_line = current_line;
1183 current_line = current_line->next;
1184 line_index++;
1185 } while (current_line);
1186
1187 if (!current_line) /* Error occurred start is not inside previous buffer */
1188 {
1189 FIXME(" modification occurred outside buffer\n");
1190 return;
1191 }
1192
1193 /* Remember start of modifications in order to calculate update region */
1194 nstart_line = line_index;
1195 nstart_index = current_line->index;
1196
1197 /* We must start to reformat from the previous line since the modifications
1198 * may have caused the line to wrap upwards. */
1199 if (!(es->style & ES_AUTOHSCROLL) && line_index > 0)
1200 {
1201 line_index--;
1202 current_line = previous_line;
1203 }
1204 start_line = current_line;
1205
1206 fw = es->format_rect.right - es->format_rect.left;
1207 current_position = es->text + current_line->index;
1208 do {
1209 if (current_line != start_line)
1210 {
1211 if (!current_line || current_line->index + delta > current_position - es->text)
1212 {
1213 /* The buffer has been expanded, create a new line and
1214 insert it into the link list */
1215 LINEDEF *new_line = HeapAlloc(GetProcessHeap(), 0, sizeof(LINEDEF));
1216 new_line->next = previous_line->next;
1217 previous_line->next = new_line;
1218 current_line = new_line;
1219 es->line_count++;
1220 }
1221 else if (current_line->index + delta < current_position - es->text)
1222 {
1223 /* The previous line merged with this line so we delete this extra entry */
1224 previous_line->next = current_line->next;
1225 HeapFree(GetProcessHeap(), 0, current_line);
1226 current_line = previous_line->next;
1227 es->line_count--;
1228 continue;
1229 }
1230 else /* current_line->index + delta == current_position */
1231 {
1232 if (current_position - es->text > iend)
1233 break; /* We reached end of line modifications */
1234 /* else recalulate this line */
1235 }
1236 }
1237
1238 current_line->index = current_position - es->text;
1239 orig_net_length = current_line->net_length;
1240
1241 /* Find end of line */
1242 cp = current_position;
1243 while (*cp) {
1244 if (*cp == '\n') break;
1245 if ((*cp == '\r') && (*(cp + 1) == '\n'))
1246 break;
1247 cp++;
1248 }
1249
1250 /* Mark type of line termination */
1251 if (!(*cp)) {
1252 current_line->ending = END_0;
1253 current_line->net_length = strlenW(current_position);
1254 } else if ((cp > current_position) && (*(cp - 1) == '\r')) {
1255 current_line->ending = END_SOFT;
1256 current_line->net_length = cp - current_position - 1;
1257 } else if (*cp == '\n') {
1258 current_line->ending = END_RICH;
1259 current_line->net_length = cp - current_position;
1260 } else {
1261 current_line->ending = END_HARD;
1262 current_line->net_length = cp - current_position;
1263 }
1264
1265 /* Calculate line width */
1266 current_line->width = (INT)LOWORD(GetTabbedTextExtentW(dc,
1267 current_position, current_line->net_length,
1268 es->tabs_count, es->tabs));
1269
1270 /* FIXME: check here for lines that are too wide even in AUTOHSCROLL (> 32767 ???) */
1271 if ((!(es->style & ES_AUTOHSCROLL)) && (current_line->width > fw)) {
1272 INT next = 0;
1273 INT prev;
1274 do {
1275 prev = next;
1276 next = EDIT_CallWordBreakProc(es, current_position - es->text,
1277 prev + 1, current_line->net_length, WB_RIGHT);
1278 current_line->width = (INT)LOWORD(GetTabbedTextExtentW(dc,
1279 current_position, next, es->tabs_count, es->tabs));
1280 } while (current_line->width <= fw);
1281 if (!prev) { /* Didn't find a line break so force a break */
1282 next = 0;
1283 do {
1284 prev = next;
1285 next++;
1286 current_line->width = (INT)LOWORD(GetTabbedTextExtentW(dc,
1287 current_position, next, es->tabs_count, es->tabs));
1288 } while (current_line->width <= fw);
1289 if (!prev)
1290 prev = 1;
1291 }
1292
1293 /* If the first line we are calculating, wrapped before istart, we must
1294 * adjust istart in order for this to be reflected in the update region. */
1295 if (current_line->index == nstart_index && istart > current_line->index + prev)
1296 istart = current_line->index + prev;
1297 /* else if we are updating the previous line before the first line we
1298 * are re-calculating and it expanded */
1299 else if (current_line == start_line &&
1300 current_line->index != nstart_index && orig_net_length < prev)
1301 {
1302 /* Line expanded due to an upwards line wrap so we must partially include
1303 * previous line in update region */
1304 nstart_line = line_index;
1305 nstart_index = current_line->index;
1306 istart = current_line->index + orig_net_length;
1307 }
1308
1309 current_line->net_length = prev;
1310 current_line->ending = END_WRAP;
1311 current_line->width = (INT)LOWORD(GetTabbedTextExtentW(dc, current_position,
1312 current_line->net_length, es->tabs_count, es->tabs));
1313 }
1314
1315
1316 /* Adjust length to include line termination */
1317 switch (current_line->ending) {
1318 case END_SOFT:
1319 current_line->length = current_line->net_length + 3;
1320 break;
1321 case END_RICH:
1322 current_line->length = current_line->net_length + 1;
1323 break;
1324 case END_HARD:
1325 current_line->length = current_line->net_length + 2;
1326 break;
1327 case END_WRAP:
1328 case END_0:
1329 current_line->length = current_line->net_length;
1330 break;
1331 }
1332 es->text_width = max(es->text_width, current_line->width);
1333 current_position += current_line->length;
1334 previous_line = current_line;
1335 current_line = current_line->next;
1336 line_index++;
1337 } while (previous_line->ending != END_0);
1338
1339 /* Finish adjusting line indexes by delta or remove hanging lines */
1340 if (previous_line->ending == END_0)
1341 {
1342 LINEDEF *pnext = NULL;
1343
1344 previous_line->next = NULL;
1345 while (current_line)
1346 {
1347 pnext = current_line->next;
1348 HeapFree(GetProcessHeap(), 0, current_line);
1349 current_line = pnext;
1350 es->line_count--;
1351 }
1352 }
1353 else
1354 {
1355 while (current_line)
1356 {
1357 current_line->index += delta;
1358 current_line = current_line->next;
1359 }
1360 }
1361
1362 /* Calculate rest of modification rectangle */
1363 if (hrgn)
1364 {
1365 HRGN tmphrgn;
1366 /*
1367 * We calculate two rectangles. One for the first line which may have
1368 * an indent with respect to the format rect. The other is a format-width
1369 * rectangle that spans the rest of the lines that changed or moved.
1370 */
1371 rc.top = es->format_rect.top + nstart_line * es->line_height -
1372 (es->y_offset * es->line_height); /* Adjust for vertical scrollbar */
1373 rc.bottom = rc.top + es->line_height;
1374 rc.left = es->format_rect.left + (INT)LOWORD(GetTabbedTextExtentW(dc,
1375 es->text + nstart_index, istart - nstart_index,
1376 es->tabs_count, es->tabs)) - es->x_offset; /* Adjust for horz scroll */
1377 rc.right = es->format_rect.right;
1378 SetRectRgn(hrgn, rc.left, rc.top, rc.right, rc.bottom);
1379
1380 rc.top = rc.bottom;
1381 rc.left = es->format_rect.left;
1382 rc.right = es->format_rect.right;
1383 /*
1384 * If lines were added or removed we must re-paint the remainder of the
1385 * lines since the remaining lines were either shifted up or down.
1386 */
1387 if (line_count < es->line_count) /* We added lines */
1388 rc.bottom = es->line_count * es->line_height;
1389 else if (line_count > es->line_count) /* We removed lines */
1390 rc.bottom = line_count * es->line_height;
1391 else
1392 rc.bottom = line_index * es->line_height;
1393 rc.bottom -= (es->y_offset * es->line_height); /* Adjust for vertical scrollbar */
1394 tmphrgn = CreateRectRgn(rc.left, rc.top, rc.right, rc.bottom);
1395 CombineRgn(hrgn, hrgn, tmphrgn, RGN_OR);
1396 DeleteObject(tmphrgn);
1397 }
1398
1399 if (es->font)
1400 SelectObject(dc, old_font);
1401
1402 ReleaseDC(hwnd, dc);
1403 }
1404
1405 /*********************************************************************
1406 *
1407 * EDIT_CalcLineWidth_SL
1408 *
1409 */
1410 static void EDIT_CalcLineWidth_SL(HWND hwnd, EDITSTATE *es)
1411 {
1412 es->text_width = SLOWORD(EDIT_EM_PosFromChar(hwnd, es, strlenW(es->text), FALSE));
1413 }
1414
1415 /*********************************************************************
1416 *
1417 * EDIT_CallWordBreakProc
1418 *
1419 * Call appropriate WordBreakProc (internal or external).
1420 *
1421 * Note: The "start" argument should always be an index referring
1422 * to es->text. The actual wordbreak proc might be
1423 * 16 bit, so we can't always pass any 32 bit LPSTR.
1424 * Hence we assume that es->text is the buffer that holds
1425 * the string under examination (we can decide this for ourselves).
1426 *
1427 */
1428 /* ### start build ### */
1429 extern WORD CALLBACK EDIT_CallTo16_word_lwww(EDITWORDBREAKPROC16,SEGPTR,WORD,WORD,WORD);
1430 /* ### stop build ### */
1431 static INT EDIT_CallWordBreakProc(EDITSTATE *es, INT start, INT index, INT count, INT action)
1432 {
1433 INT ret, iWndsLocks;
1434
1435 /* To avoid any deadlocks, all the locks on the window structures
1436 must be suspended before the control is passed to the application */
1437 iWndsLocks = WIN_SuspendWndsLock();
1438
1439 if (es->word_break_proc16) {
1440 HGLOBAL16 hglob16;
1441 SEGPTR segptr;
1442 INT countA;
1443
1444 countA = WideCharToMultiByte(CP_ACP, 0, es->text + start, count, NULL, 0, NULL, NULL);
1445 hglob16 = GlobalAlloc16(GMEM_MOVEABLE | GMEM_ZEROINIT, countA);
1446 segptr = K32WOWGlobalLock16(hglob16);
1447 WideCharToMultiByte(CP_ACP, 0, es->text + start, count, MapSL(segptr), countA, NULL, NULL);
1448 ret = (INT)EDIT_CallTo16_word_lwww(es->word_break_proc16,
1449 segptr, index, countA, action);
1450 GlobalUnlock16(hglob16);
1451 GlobalFree16(hglob16);
1452 }
1453 else if (es->word_break_proc)
1454 {
1455 if(es->is_unicode)
1456 {
1457 EDITWORDBREAKPROCW wbpW = (EDITWORDBREAKPROCW)es->word_break_proc;
1458
1459 TRACE_(relay)("(UNICODE wordbrk=%p,str=%s,idx=%d,cnt=%d,act=%d)\n",
1460 es->word_break_proc, debugstr_wn(es->text + start, count), index, count, action);
1461 ret = wbpW(es->text + start, index, count, action);
1462 }
1463 else
1464 {
1465 EDITWORDBREAKPROCA wbpA = (EDITWORDBREAKPROCA)es->word_break_proc;
1466 INT countA;
1467 CHAR *textA;
1468
1469 countA = WideCharToMultiByte(CP_ACP, 0, es->text + start, count, NULL, 0, NULL, NULL);
1470 textA = HeapAlloc(GetProcessHeap(), 0, countA);
1471 WideCharToMultiByte(CP_ACP, 0, es->text + start, count, textA, countA, NULL, NULL);
1472 TRACE_(relay)("(ANSI wordbrk=%p,str=%s,idx=%d,cnt=%d,act=%d)\n",
1473 es->word_break_proc, debugstr_an(textA, countA), index, countA, action);
1474 ret = wbpA(textA, index, countA, action);
1475 HeapFree(GetProcessHeap(), 0, textA);
1476 }
1477 }
1478 else
1479 ret = EDIT_WordBreakProc(es->text + start, index, count, action);
1480
1481 WIN_RestoreWndsLock(iWndsLocks);
1482 return ret;
1483 }
1484
1485
1486 /*********************************************************************
1487 *
1488 * EDIT_CharFromPos
1489 *
1490 * Beware: This is not the function called on EM_CHARFROMPOS
1491 * The position _can_ be outside the formatting / client
1492 * rectangle
1493 * The return value is only the character index
1494 *
1495 */
1496 static INT EDIT_CharFromPos(HWND hwnd, EDITSTATE *es, INT x, INT y, LPBOOL after_wrap)
1497 {
1498 INT index;
1499 HDC dc;
1500 HFONT old_font = 0;
1501
1502 if (es->style & ES_MULTILINE) {
1503 INT line = (y - es->format_rect.top) / es->line_height + es->y_offset;
1504 INT line_index = 0;
1505 LINEDEF *line_def = es->first_line_def;
1506 INT low, high;
1507 while ((line > 0) && line_def->next) {
1508 line_index += line_def->length;
1509 line_def = line_def->next;
1510 line--;
1511 }
1512 x += es->x_offset - es->format_rect.left;
1513 if (x >= line_def->width) {
1514 if (after_wrap)
1515 *after_wrap = (line_def->ending == END_WRAP);
1516 return line_index + line_def->net_length;
1517 }
1518 if (x <= 0) {
1519 if (after_wrap)
1520 *after_wrap = FALSE;
1521 return line_index;
1522 }
1523 dc = GetDC(hwnd);
1524 if (es->font)
1525 old_font = SelectObject(dc, es->font);
1526 low = line_index + 1;
1527 high = line_index + line_def->net_length + 1;
1528 while (low < high - 1)
1529 {
1530 INT mid = (low + high) / 2;
1531 if (LOWORD(GetTabbedTextExtentW(dc, es->text + line_index,mid - line_index, es->tabs_count, es->tabs)) > x) high = mid;
1532 else low = mid;
1533 }
1534 index = low;
1535
1536 if (after_wrap)
1537 *after_wrap = ((index == line_index + line_def->net_length) &&
1538 (line_def->ending == END_WRAP));
1539 } else {
1540 LPWSTR text;
1541 SIZE size;
1542 if (after_wrap)
1543 *after_wrap = FALSE;
1544 x -= es->format_rect.left;
1545 if (!x)
1546 return es->x_offset;
1547 text = EDIT_GetPasswordPointer_SL(es);
1548 dc = GetDC(hwnd);
1549 if (es->font)
1550 old_font = SelectObject(dc, es->font);
1551 if (x < 0)
1552 {
1553 INT low = 0;
1554 INT high = es->x_offset;
1555 while (low < high - 1)
1556 {
1557 INT mid = (low + high) / 2;
1558 GetTextExtentPoint32W( dc, text + mid,
1559 es->x_offset - mid, &size );
1560 if (size.cx > -x) low = mid;
1561 else high = mid;
1562 }
1563 index = low;
1564 }
1565 else
1566 {
1567 INT low = es->x_offset;
1568 INT high = strlenW(es->text) + 1;
1569 while (low < high - 1)
1570 {
1571 INT mid = (low + high) / 2;
1572 GetTextExtentPoint32W( dc, text + es->x_offset,
1573 mid - es->x_offset, &size );
1574 if (size.cx > x) high = mid;
1575 else low = mid;
1576 }
1577 index = low;
1578 }
1579 if (es->style & ES_PASSWORD)
1580 HeapFree(GetProcessHeap(), 0, text);
1581 }
1582 if (es->font)
1583 SelectObject(dc, old_font);
1584 ReleaseDC(hwnd, dc);
1585 return index;
1586 }
1587
1588
1589 /*********************************************************************
1590 *
1591 * EDIT_ConfinePoint
1592 *
1593 * adjusts the point to be within the formatting rectangle
1594 * (so CharFromPos returns the nearest _visible_ character)
1595 *
1596 */
1597 static void EDIT_ConfinePoint(EDITSTATE *es, LPINT x, LPINT y)
1598 {
1599 *x = min(max(*x, es->format_rect.left), es->format_rect.right - 1);
1600 *y = min(max(*y, es->format_rect.top), es->format_rect.bottom - 1);
1601 }
1602
1603
1604 /*********************************************************************
1605 *
1606 * EDIT_GetLineRect
1607 *
1608 * Calculates the bounding rectangle for a line from a starting
1609 * column to an ending column.
1610 *
1611 */
1612 static void EDIT_GetLineRect(HWND hwnd, EDITSTATE *es, INT line, INT scol, INT ecol, LPRECT rc)
1613 {
1614 INT line_index = EDIT_EM_LineIndex(es, line);
1615
1616 if (es->style & ES_MULTILINE)
1617 rc->top = es->format_rect.top + (line - es->y_offset) * es->line_height;
1618 else
1619 rc->top = es->format_rect.top;
1620 rc->bottom = rc->top + es->line_height;
1621 rc->left = (scol == 0) ? es->format_rect.left : SLOWORD(EDIT_EM_PosFromChar(hwnd, es, line_index + scol, TRUE));
1622 rc->right = (ecol == -1) ? es->format_rect.right : SLOWORD(EDIT_EM_PosFromChar(hwnd, es, line_index + ecol, TRUE));
1623 }
1624
1625
1626 /*********************************************************************
1627 *
1628 * EDIT_GetPasswordPointer_SL
1629 *
1630 * note: caller should free the (optionally) allocated buffer
1631 *
1632 */
1633 static LPWSTR EDIT_GetPasswordPointer_SL(EDITSTATE *es)
1634 {
1635 if (es->style & ES_PASSWORD) {
1636 INT len = strlenW(es->text);
1637 LPWSTR text = HeapAlloc(GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR));
1638 text[len] = '\0';
1639 while(len) text[--len] = es->password_char;
1640 return text;
1641 } else
1642 return es->text;
1643 }
1644
1645
1646 /*********************************************************************
1647 *
1648 * EDIT_LockBuffer
1649 *
1650 * This acts as a LOCAL_Lock(), but it locks only once. This way
1651 * you can call it whenever you like, without unlocking.
1652 *
1653 */
1654 static void EDIT_LockBuffer(HWND hwnd, EDITSTATE *es)
1655 {
1656 HINSTANCE hInstance = GetWindowLongA( hwnd, GWL_HINSTANCE );
1657 if (!es) {
1658 ERR("no EDITSTATE ... please report\n");
1659 return;
1660 }
1661 if (!es->text) {
1662 CHAR *textA = NULL;
1663 UINT countA = 0;
1664 BOOL _16bit = FALSE;
1665
1666 if(es->hloc32W)
1667 {
1668 if(es->hloc32A)
1669 {
1670 TRACE("Synchronizing with 32-bit ANSI buffer\n");
1671 textA = LocalLock(es->hloc32A);
1672 countA = strlen(textA) + 1;
1673 }
1674 else if(es->hloc16)
1675 {
1676 TRACE("Synchronizing with 16-bit ANSI buffer\n");
1677 textA = LOCAL_Lock(hInstance, es->hloc16);
1678 countA = strlen(textA) + 1;
1679 _16bit = TRUE;
1680 }
1681 }
1682 else {
1683 ERR("no buffer ... please report\n");
1684 return;
1685 }
1686
1687 if(textA)
1688 {
1689 HLOCAL hloc32W_new;
1690 UINT countW_new = MultiByteToWideChar(CP_ACP, 0, textA, countA, NULL, 0);
1691 TRACE("%d bytes translated to %d WCHARs\n", countA, countW_new);
1692 if(countW_new > es->buffer_size + 1)
1693 {
1694 UINT alloc_size = ROUND_TO_GROW(countW_new * sizeof(WCHAR));
1695 TRACE("Resizing 32-bit UNICODE buffer from %d+1 to %d WCHARs\n", es->buffer_size, countW_new);
1696 hloc32W_new = LocalReAlloc(es->hloc32W, alloc_size, LMEM_MOVEABLE | LMEM_ZEROINIT);
1697 if(hloc32W_new)
1698 {
1699 es->hloc32W = hloc32W_new;
1700 es->buffer_size = LocalSize(hloc32W_new)/sizeof(WCHAR) - 1;
1701 TRACE("Real new size %d+1 WCHARs\n", es->buffer_size);
1702 }
1703 else
1704 WARN("FAILED! Will synchronize partially\n");
1705 }
1706 }
1707
1708 /*TRACE("Locking 32-bit UNICODE buffer\n");*/
1709 es->text = LocalLock(es->hloc32W);
1710
1711 if(textA)
1712 {
1713 MultiByteToWideChar(CP_ACP, 0, textA, countA, es->text, es->buffer_size + 1);
1714 if(_16bit)
1715 LOCAL_Unlock(hInstance, es->hloc16);
1716 else
1717 LocalUnlock(es->hloc32A);
1718 }
1719 }
1720 es->lock_count++;
1721 }
1722
1723
1724 /*********************************************************************
1725 *
1726 * EDIT_SL_InvalidateText
1727 *
1728 * Called from EDIT_InvalidateText().
1729 * Does the job for single-line controls only.
1730 *
1731 */
1732 static void EDIT_SL_InvalidateText(HWND hwnd, EDITSTATE *es, INT start, INT end)
1733 {
1734 RECT line_rect;
1735 RECT rc;
1736
1737 EDIT_GetLineRect(hwnd, es, 0, start, end, &line_rect);
1738 if (IntersectRect(&rc, &line_rect, &es->format_rect))
1739 EDIT_UpdateText(hwnd, es, &rc, TRUE);
1740 }
1741
1742
1743 /*********************************************************************
1744 *
1745 * EDIT_ML_InvalidateText
1746 *
1747 * Called from EDIT_InvalidateText().
1748 * Does the job for multi-line controls only.
1749 *
1750 */
1751 static void EDIT_ML_InvalidateText(HWND hwnd, EDITSTATE *es, INT start, INT end)
1752 {
1753 INT vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
1754 INT sl = EDIT_EM_LineFromChar(es, start);
1755 INT el = EDIT_EM_LineFromChar(es, end);
1756 INT sc;
1757 INT ec;
1758 RECT rc1;
1759 RECT rcWnd;
1760 RECT rcLine;
1761 RECT rcUpdate;
1762 INT l;
1763
1764 if ((el < es->y_offset) || (sl > es->y_offset + vlc))
1765 return;
1766
1767 sc = start - EDIT_EM_LineIndex(es, sl);
1768 ec = end - EDIT_EM_LineIndex(es, el);
1769 if (sl < es->y_offset) {
1770 sl = es->y_offset;
1771 sc = 0;
1772 }
1773 if (el > es->y_offset + vlc) {
1774 el = es->y_offset + vlc;
1775 ec = EDIT_EM_LineLength(es, EDIT_EM_LineIndex(es, el));
1776 }
1777 GetClientRect(hwnd, &rc1);
1778 IntersectRect(&rcWnd, &rc1, &es->format_rect);
1779 if (sl == el) {
1780 EDIT_GetLineRect(hwnd, es, sl, sc, ec, &rcLine);
1781 if (IntersectRect(&rcUpdate, &rcWnd, &rcLine))
1782 EDIT_UpdateText(hwnd, es, &rcUpdate, TRUE);
1783 } else {
1784 EDIT_GetLineRect(hwnd, es, sl, sc,
1785 EDIT_EM_LineLength(es,
1786 EDIT_EM_LineIndex(es, sl)),
1787 &rcLine);
1788 if (IntersectRect(&rcUpdate, &rcWnd, &rcLine))
1789 EDIT_UpdateText(hwnd, es, &rcUpdate, TRUE);
1790 for (l = sl + 1 ; l < el ; l++) {
1791 EDIT_GetLineRect(hwnd, es, l, 0,
1792 EDIT_EM_LineLength(es,
1793 EDIT_EM_LineIndex(es, l)),
1794 &rcLine);
1795 if (IntersectRect(&rcUpdate, &rcWnd, &rcLine))
1796 EDIT_UpdateText(hwnd, es, &rcUpdate, TRUE);
1797 }
1798 EDIT_GetLineRect(hwnd, es, el, 0, ec, &rcLine);
1799 if (IntersectRect(&rcUpdate, &rcWnd, &rcLine))
1800 EDIT_UpdateText(hwnd, es, &rcUpdate, TRUE);
1801 }
1802 }
1803
1804
1805 /*********************************************************************
1806 *
1807 * EDIT_InvalidateText
1808 *
1809 * Invalidate the text from offset start upto, but not including,
1810 * offset end. Useful for (re)painting the selection.
1811 * Regions outside the linewidth are not invalidated.
1812 * end == -1 means end == TextLength.
1813 * start and end need not be ordered.
1814 *
1815 */
1816 static void EDIT_InvalidateText(HWND hwnd, EDITSTATE *es, INT start, INT end)
1817 {
1818 if (end == start)
1819 return;
1820
1821 if (end == -1)
1822 end = strlenW(es->text);
1823
1824 ORDER_INT(start, end);
1825
1826 if (es->style & ES_MULTILINE)
1827 EDIT_ML_InvalidateText(hwnd, es, start, end);
1828 else
1829 EDIT_SL_InvalidateText(hwnd, es, start, end);
1830 }
1831
1832
1833 /*********************************************************************
1834 *
1835 * EDIT_MakeFit
1836 *
1837 * Try to fit size + 1 characters in the buffer. Constrain to limits.
1838 *
1839 */
1840 static BOOL EDIT_MakeFit(HWND hwnd, EDITSTATE *es, UINT size)
1841 {
1842 HLOCAL hNew32W;
1843
1844 if (size <= es->buffer_size)
1845 return TRUE;
1846 if ((es->buffer_limit > 0) && (size > es->buffer_limit)) {
1847 EDIT_NOTIFY_PARENT(hwnd, es, EN_MAXTEXT, "EN_MAXTEXT");
1848 return FALSE;
1849 }
1850 if ((es->buffer_limit > 0) && (size > es->buffer_limit))
1851 size = es->buffer_limit;
1852
1853 TRACE("trying to ReAlloc to %d+1 characters\n", size);
1854
1855 /* Force edit to unlock it's buffer. es->text now NULL */
1856 EDIT_UnlockBuffer(hwnd, es, TRUE);
1857
1858 if (es->hloc32W) {
1859 UINT alloc_size = ROUND_TO_GROW((size + 1) * sizeof(WCHAR));
1860 if ((hNew32W = LocalReAlloc(es->hloc32W, alloc_size, LMEM_MOVEABLE | LMEM_ZEROINIT))) {
1861 TRACE("Old 32 bit handle %08x, new handle %08x\n", es->hloc32W, hNew32W);
1862 es->hloc32W = hNew32W;
1863 es->buffer_size = LocalSize(hNew32W)/sizeof(WCHAR) - 1;
1864 }
1865 }
1866
1867 EDIT_LockBuffer(hwnd, es);
1868
1869 if (es->buffer_size < size) {
1870 WARN("FAILED ! We now have %d+1\n", es->buffer_size);
1871 EDIT_NOTIFY_PARENT(hwnd, es, EN_ERRSPACE, "EN_ERRSPACE");
1872 return FALSE;
1873 } else {
1874 TRACE("We now have %d+1\n", es->buffer_size);
1875 return TRUE;
1876 }
1877 }
1878
1879
1880 /*********************************************************************
1881 *
1882 * EDIT_MakeUndoFit
1883 *
1884 * Try to fit size + 1 bytes in the undo buffer.
1885 *
1886 */
1887 static BOOL EDIT_MakeUndoFit(EDITSTATE *es, UINT size)
1888 {
1889 UINT alloc_size;
1890
1891 if (size <= es->undo_buffer_size)
1892 return TRUE;
1893
1894 TRACE("trying to ReAlloc to %d+1\n", size);
1895
1896 alloc_size = ROUND_TO_GROW((size + 1) * sizeof(WCHAR));
1897 if ((es->undo_text = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, es->undo_text, alloc_size))) {
1898 es->undo_buffer_size = alloc_size/sizeof(WCHAR);
1899 return TRUE;
1900 }
1901 else
1902 {
1903 WARN("FAILED ! We now have %d+1\n", es->undo_buffer_size);
1904 return FALSE;
1905 }
1906 }
1907
1908
1909 /*********************************************************************
1910 *
1911 * EDIT_MoveBackward
1912 *
1913 */
1914 static void EDIT_MoveBackward(HWND hwnd, EDITSTATE *es, BOOL extend)
1915 {
1916 INT e = es->selection_end;
1917
1918 if (e) {
1919 e--;
1920 if ((es->style & ES_MULTILINE) && e &&
1921 (es->text[e - 1] == '\r') && (es->text[e] == '\n')) {
1922 e--;
1923 if (e && (es->text[e - 1] == '\r'))
1924 e--;
1925 }
1926 }
1927 EDIT_EM_SetSel(hwnd, es, extend ? es->selection_start : e, e, FALSE);
1928 EDIT_EM_ScrollCaret(hwnd, es);
1929 }
1930
1931
1932 /*********************************************************************
1933 *
1934 * EDIT_MoveDown_ML
1935 *
1936 * Only for multi line controls
1937 * Move the caret one line down, on a column with the nearest
1938 * x coordinate on the screen (might be a different column).
1939 *
1940 */
1941 static void EDIT_MoveDown_ML(HWND hwnd, EDITSTATE *es, BOOL extend)
1942 {
1943 INT s = es->selection_start;
1944 INT e = es->selection_end;
1945 BOOL after_wrap = (es->flags & EF_AFTER_WRAP);
1946 LRESULT pos = EDIT_EM_PosFromChar(hwnd, es, e, after_wrap);
1947 INT x = SLOWORD(pos);
1948 INT y = SHIWORD(pos);
1949
1950 e = EDIT_CharFromPos(hwnd, es, x, y + es->line_height, &after_wrap);
1951 if (!extend)
1952 s = e;
1953 EDIT_EM_SetSel(hwnd, es, s, e, after_wrap);
1954 EDIT_EM_ScrollCaret(hwnd, es);
1955 }
1956
1957
1958 /*********************************************************************
1959 *
1960 * EDIT_MoveEnd
1961 *
1962 */
1963 static void EDIT_MoveEnd(HWND hwnd, EDITSTATE *es, BOOL extend)
1964 {
1965 BOOL after_wrap = FALSE;
1966 INT e;
1967
1968 /* Pass a high value in x to make sure of receiving the end of the line */
1969 if (es->style & ES_MULTILINE)
1970 e = EDIT_CharFromPos(hwnd, es, 0x3fffffff,
1971 HIWORD(EDIT_EM_PosFromChar(hwnd, es, es->selection_end, es->flags & EF_AFTER_WRAP)), &after_wrap);
1972 else
1973 e = strlenW(es->text);
1974 EDIT_EM_SetSel(hwnd, es, extend ? es->selection_start : e, e, after_wrap);
1975 EDIT_EM_ScrollCaret(hwnd, es);
1976 }
1977
1978
1979 /*********************************************************************
1980 *
1981 * EDIT_MoveForward
1982 *
1983 */
1984 static void EDIT_MoveForward(HWND hwnd, EDITSTATE *es, BOOL extend)
1985 {
1986 INT e = es->selection_end;
1987
1988 if (es->text[e]) {
1989 e++;
1990 if ((es->style & ES_MULTILINE) && (es->text[e - 1] == '\r')) {
1991 if (es->text[e] == '\n')
1992 e++;
1993 else if ((es->text[e] == '\r') && (es->text[e + 1] == '\n'))
1994 e += 2;
1995 }
1996 }
1997 EDIT_EM_SetSel(hwnd, es, extend ? es->selection_start : e, e, FALSE);
1998 EDIT_EM_ScrollCaret(hwnd, es);
1999 }
2000
2001
2002 /*********************************************************************
2003 *
2004 * EDIT_MoveHome
2005 *
2006 * Home key: move to beginning of line.
2007 *
2008 */
2009 static void EDIT_MoveHome(HWND hwnd, EDITSTATE *es, BOOL extend)
2010 {
2011 INT e;
2012
2013 /* Pass the x_offset in x to make sure of receiving the first position of the line */
2014 if (es->style & ES_MULTILINE)
2015 e = EDIT_CharFromPos(hwnd, es, -es->x_offset,
2016 HIWORD(EDIT_EM_PosFromChar(hwnd, es, es->selection_end, es->flags & EF_AFTER_WRAP)), NULL);
2017 else
2018 e = 0;
2019 EDIT_EM_SetSel(hwnd, es, extend ? es->selection_start : e, e, FALSE);
2020 EDIT_EM_ScrollCaret(hwnd, es);
2021 }
2022
2023
2024 /*********************************************************************
2025 *
2026 * EDIT_MovePageDown_ML
2027 *
2028 * Only for multi line controls
2029 * Move the caret one page down, on a column with the nearest
2030 * x coordinate on the screen (might be a different column).
2031 *
2032 */
2033 static void EDIT_MovePageDown_ML(HWND hwnd, EDITSTATE *es, BOOL extend)
2034 {
2035 INT s = es->selection_start;
2036 INT e = es->selection_end;
2037 BOOL after_wrap = (es->flags & EF_AFTER_WRAP);
2038 LRESULT pos = EDIT_EM_PosFromChar(hwnd, es, e, after_wrap);
2039 INT x = SLOWORD(pos);
2040 INT y = SHIWORD(pos);
2041
2042 e = EDIT_CharFromPos(hwnd, es, x,
2043 y + (es->format_rect.bottom - es->format_rect.top),
2044 &after_wrap);
2045 if (!extend)
2046 s = e;
2047 EDIT_EM_SetSel(hwnd, es, s, e, after_wrap);
2048 EDIT_EM_ScrollCaret(hwnd, es);
2049 }
2050
2051
2052 /*********************************************************************
2053 *
2054 * EDIT_MovePageUp_ML
2055 *
2056 * Only for multi line controls
2057 * Move the caret one page up, on a column with the nearest
2058 * x coordinate on the screen (might be a different column).
2059 *
2060 */
2061 static void EDIT_MovePageUp_ML(HWND hwnd, EDITSTATE *es, BOOL extend)
2062 {
2063 INT s = es->selection_start;
2064 INT e = es->selection_end;
2065 BOOL after_wrap = (es->flags & EF_AFTER_WRAP);
2066 LRESULT pos = EDIT_EM_PosFromChar(hwnd, es, e, after_wrap);
2067 INT x = SLOWORD(pos);
2068 INT y = SHIWORD(pos);
2069
2070 e = EDIT_CharFromPos(hwnd, es, x,
2071 y - (es->format_rect.bottom - es->format_rect.top),
2072 &after_wrap);
2073 if (!extend)
2074 s = e;
2075 EDIT_EM_SetSel(hwnd, es, s, e, after_wrap);
2076 EDIT_EM_ScrollCaret(hwnd, es);
2077 }
2078
2079
2080 /*********************************************************************
2081 *
2082 * EDIT_MoveUp_ML
2083 *
2084 * Only for multi line controls
2085 * Move the caret one line up, on a column with the nearest
2086 * x coordinate on the screen (might be a different column).
2087 *
2088 */
2089 static void EDIT_MoveUp_ML(HWND hwnd, EDITSTATE *es, BOOL extend)
2090 {
2091 INT s = es->selection_start;
2092 INT e = es->selection_end;
2093 BOOL after_wrap = (es->flags & EF_AFTER_WRAP);
2094 LRESULT pos = EDIT_EM_PosFromChar(hwnd, es, e, after_wrap);
2095 INT x = SLOWORD(pos);
2096 INT y = SHIWORD(pos);
2097
2098 e = EDIT_CharFromPos(hwnd, es, x, y - es->line_height, &after_wrap);
2099 if (!extend)
2100 s = e;
2101 EDIT_EM_SetSel(hwnd, es, s, e, after_wrap);
2102 EDIT_EM_ScrollCaret(hwnd, es);
2103 }
2104
2105
2106 /*********************************************************************
2107 *
2108 * EDIT_MoveWordBackward
2109 *
2110 */
2111 static void EDIT_MoveWordBackward(HWND hwnd, EDITSTATE *es, BOOL extend)
2112 {
2113 INT s = es->selection_start;
2114 INT e = es->selection_end;
2115 INT l;
2116 INT ll;
2117 INT li;
2118
2119 l = EDIT_EM_LineFromChar(es, e);
2120 ll = EDIT_EM_LineLength(es, e);
2121 li = EDIT_EM_LineIndex(es, l);
2122 if (e - li == 0) {
2123 if (l) {
2124 li = EDIT_EM_LineIndex(es, l - 1);
2125 e = li + EDIT_EM_LineLength(es, li);
2126 }
2127 } else {
2128 e = li + (INT)EDIT_CallWordBreakProc(es,
2129 li, e - li, ll, WB_LEFT);
2130 }
2131 if (!extend)
2132 s = e;
2133 EDIT_EM_SetSel(hwnd, es, s, e, FALSE);
2134 EDIT_EM_ScrollCaret(hwnd, es);
2135 }
2136
2137
2138 /*********************************************************************
2139 *
2140 * EDIT_MoveWordForward
2141 *
2142 */
2143 static void EDIT_MoveWordForward(HWND hwnd, EDITSTATE *es, BOOL extend)
2144 {
2145 INT s = es->selection_start;
2146 INT e = es->selection_end;
2147 INT l;
2148 INT ll;
2149 INT li;
2150
2151 l = EDIT_EM_LineFromChar(es, e);
2152 ll = EDIT_EM_LineLength(es, e);
2153 li = EDIT_EM_LineIndex(es, l);
2154 if (e - li == ll) {
2155 if ((es->style & ES_MULTILINE) && (l != es->line_count - 1))
2156 e = EDIT_EM_LineIndex(es, l + 1);
2157 } else {
2158 e = li + EDIT_CallWordBreakProc(es,
2159 li, e - li + 1, ll, WB_RIGHT);
2160 }
2161 if (!extend)
2162 s = e;
2163 EDIT_EM_SetSel(hwnd, es, s, e, FALSE);
2164 EDIT_EM_ScrollCaret(hwnd, es);
2165 }
2166
2167
2168 /*********************************************************************
2169 *
2170 * EDIT_PaintLine
2171 *
2172 */
2173 static void EDIT_PaintLine(HWND hwnd, EDITSTATE *es, HDC dc, INT line, BOOL rev)
2174 {
2175 INT s = es->selection_start;
2176 INT e = es->selection_end;
2177 INT li;
2178 INT ll;
2179 INT x;
2180 INT y;
2181 LRESULT pos;
2182
2183 if (es->style & ES_MULTILINE) {
2184 INT vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
2185 if ((line < es->y_offset) || (line > es->y_offset + vlc) || (line >= es->line_count))
2186 return;
2187 } else if (line)
2188 return;
2189
2190 TRACE("line=%d\n", line);
2191
2192 pos = EDIT_EM_PosFromChar(hwnd, es, EDIT_EM_LineIndex(es, line), FALSE);
2193 x = SLOWORD(pos);
2194 y = SHIWORD(pos);
2195 li = EDIT_EM_LineIndex(es, line);
2196 ll = EDIT_EM_LineLength(es, li);
2197 s = es->selection_start;
2198 e = es->selection_end;
2199 ORDER_INT(s, e);
2200 s = min(li + ll, max(li, s));
2201 e = min(li + ll, max(li, e));
2202 if (rev && (s != e) &&
2203 ((es->flags & EF_FOCUSED) || (es->style & ES_NOHIDESEL))) {
2204 x += EDIT_PaintText(es, dc, x, y, line, 0, s - li, FALSE);
2205 x += EDIT_PaintText(es, dc, x, y, line, s - li, e - s, TRUE);
2206 x += EDIT_PaintText(es, dc, x, y, line, e - li, li + ll - e, FALSE);
2207 } else
2208 x += EDIT_PaintText(es, dc, x, y, line, 0, ll, FALSE);
2209 }
2210
2211
2212 /*********************************************************************
2213 *
2214 * EDIT_PaintText
2215 *
2216 */
2217 static INT EDIT_PaintText(EDITSTATE *es, HDC dc, INT x, INT y, INT line, INT col, INT count, BOOL rev)
2218 {
2219 COLORREF BkColor;
2220 COLORREF TextColor;
2221 INT ret;
2222 INT li;
2223 INT BkMode;
2224 SIZE size;
2225
2226 if (!count)
2227 return 0;
2228 BkMode = GetBkMode(dc);
2229 BkColor = GetBkColor(dc);
2230 TextColor = GetTextColor(dc);
2231 if (rev) {
2232 SetBkColor(dc, GetSysColor(COLOR_HIGHLIGHT));
2233 SetTextColor(dc, GetSysColor(COLOR_HIGHLIGHTTEXT));
2234 SetBkMode( dc, OPAQUE);
2235 }
2236 li = EDIT_EM_LineIndex(es, line);
2237 if (es->style & ES_MULTILINE) {
2238 ret = (INT)LOWORD(TabbedTextOutW(dc, x, y, es->text + li + col, count,
2239 es->tabs_count, es->tabs, es->format_rect.left - es->x_offset));
2240 } else {
2241 LPWSTR text = EDIT_GetPasswordPointer_SL(es);
2242 TextOutW(dc, x, y, text + li + col, count);
2243 GetTextExtentPoint32W(dc, text + li + col, count, &size);
2244 ret = size.cx;
2245 if (es->style & ES_PASSWORD)
2246 HeapFree(GetProcessHeap(), 0, text);
2247 }
2248 if (rev) {
2249 SetBkColor(dc, BkColor);
2250 SetTextColor(dc, TextColor);
2251 SetBkMode( dc, BkMode);
2252 }
2253 return ret;
2254 }
2255
2256
2257 /*********************************************************************
2258 *
2259 * EDIT_SetCaretPos
2260 *
2261 */
2262 static void EDIT_SetCaretPos(HWND hwnd, EDITSTATE *es, INT pos,
2263 BOOL after_wrap)
2264 {
2265 LRESULT res = EDIT_EM_PosFromChar(hwnd, es, pos, after_wrap);
2266 SetCaretPos(SLOWORD(res), SHIWORD(res));
2267 }
2268
2269
2270 /*********************************************************************
2271 *
2272 * EDIT_SetRectNP
2273 *
2274 * note: this is not (exactly) the handler called on EM_SETRECTNP
2275 * it is also used to set the rect of a single line control
2276 *
2277 */
2278 static void EDIT_SetRectNP(HWND hwnd, EDITSTATE *es, LPRECT rc)
2279 {
2280 CopyRect(&es->format_rect, rc);
2281 if (es->style & WS_BORDER) {
2282 INT bw = GetSystemMetrics(SM_CXBORDER) + 1;
2283 if(TWEAK_WineLook == WIN31_LOOK)
2284 bw += 2;
2285 es->format_rect.left += bw;
2286 es->format_rect.top += bw;
2287 es->format_rect.right -= bw;
2288 es->format_rect.bottom -= bw;
2289 }
2290 es->format_rect.left += es->left_margin;
2291 es->format_rect.right -= es->right_margin;
2292 es->format_rect.right = max(es->format_rect.right, es->format_rect.left + es->char_width);
2293 if (es->style & ES_MULTILINE)
2294 {
2295 INT fw, vlc, max_x_offset, max_y_offset;
2296
2297 vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
2298 es->format_rect.bottom = es->format_rect.top + max(1, vlc) * es->line_height;
2299
2300 /* correct es->x_offset */
2301 fw = es->format_rect.right - es->format_rect.left;
2302 max_x_offset = es->text_width - fw;
2303 if(max_x_offset < 0) max_x_offset = 0;
2304 if(es->x_offset > max_x_offset)
2305 es->x_offset = max_x_offset;
2306
2307 /* correct es->y_offset */
2308 max_y_offset = es->line_count - vlc;
2309 if(max_y_offset < 0) max_y_offset = 0;
2310 if(es->y_offset > max_y_offset)
2311 es->y_offset = max_y_offset;
2312
2313 /* force scroll info update */
2314 EDIT_UpdateScrollInfo(hwnd, es);
2315 }
2316 else
2317 /* Windows doesn't care to fix text placement for SL controls */
2318 es->format_rect.bottom = es->format_rect.top + es->line_height;
2319
2320 if ((es->style & ES_MULTILINE) && !(es->style & ES_AUTOHSCROLL))
2321 EDIT_BuildLineDefs_ML(hwnd, es, 0, strlenW(es->text), 0, (HRGN)0);
2322 }
2323
2324
2325 /*********************************************************************
2326 *
2327 * EDIT_UnlockBuffer
2328 *
2329 */
2330 static void EDIT_UnlockBuffer(HWND hwnd, EDITSTATE *es, BOOL force)
2331 {
2332 HINSTANCE hInstance = GetWindowLongA( hwnd, GWL_HINSTANCE );
2333
2334 /* Edit window might be already destroyed */
2335 if(!IsWindow(hwnd))
2336 {
2337 WARN("edit hwnd %04x already destroyed\n", hwnd);
2338 return;
2339 }
2340
2341 if (!es) {
2342 ERR("no EDITSTATE ... please report\n");
2343 return;
2344 }
2345 if (!es->lock_count) {
2346 ERR("lock_count == 0 ... please report\n");
2347 return;
2348 }
2349 if (!es->text) {
2350 ERR("es->text == 0 ... please report\n");
2351 return;
2352 }
2353
2354 if (force || (es->lock_count == 1)) {
2355 if (es->hloc32W) {
2356 CHAR *textA = NULL;
2357 BOOL _16bit = FALSE;
2358 UINT countA = 0;
2359 UINT countW = strlenW(es->text) + 1;
2360
2361 if(es->hloc32A)
2362 {
2363 UINT countA_new = WideCharToMultiByte(CP_ACP, 0, es->text, countW, NULL, 0, NULL, NULL);
2364 TRACE("Synchronizing with 32-bit ANSI buffer\n");
2365 TRACE("%d WCHARs translated to %d bytes\n", countW, countA_new);
2366 countA = LocalSize(es->hloc32A);
2367 if(countA_new > countA)
2368 {
2369 HLOCAL hloc32A_new;
2370 UINT alloc_size = ROUND_TO_GROW(countA_new);
2371 TRACE("Resizing 32-bit ANSI buffer from %d to %d bytes\n", countA, alloc_size);
2372 hloc32A_new = LocalReAlloc(es->hloc32A, alloc_size, LMEM_MOVEABLE | LMEM_ZEROINIT);
2373 if(hloc32A_new)
2374 {
2375 es->hloc32A = hloc32A_new;
2376 countA = LocalSize(hloc32A_new);
2377 TRACE("Real new size %d bytes\n", countA);
2378 }
2379 else
2380 WARN("FAILED! Will synchronize partially\n");
2381 }
2382 textA = LocalLock(es->hloc32A);
2383 }
2384 else if(es->hloc16)
2385 {
2386 UINT countA_new = WideCharToMultiByte(CP_ACP, 0, es->text, countW, NULL, 0, NULL, NULL);
2387 TRACE("Synchronizing with 16-bit ANSI buffer\n");
2388 TRACE("%d WCHARs translated to %d bytes\n", countW, countA_new);
2389 countA = LOCAL_Size(hInstance, es->hloc16);
2390 if(countA_new > countA)
2391 {
2392 HLOCAL16 hloc16_new;
2393 UINT alloc_size = ROUND_TO_GROW(countA_new);
2394 TRACE("Resizing 16-bit ANSI buffer from %d to %d bytes\n", countA, alloc_size);
2395 hloc16_new = LOCAL_ReAlloc(hInstance, es->hloc16, alloc_size, LMEM_MOVEABLE | LMEM_ZEROINIT);
2396 if(hloc16_new)
2397 {
2398 es->hloc16 = hloc16_new;
2399 countA = LOCAL_Size(hInstance, hloc16_new);
2400 TRACE("Real new size %d bytes\n", countA);
2401 }
2402 else
2403 WARN("FAILED! Will synchronize partially\n");
2404 }
2405 textA = LOCAL_Lock(hInstance, es->hloc16);
2406 _16bit = TRUE;
2407 }
2408
2409 if(textA)
2410 {
2411 WideCharToMultiByte(CP_ACP, 0, es->text, countW, textA, countA, NULL, NULL);
2412 if(_16bit)
2413 LOCAL_Unlock(hInstance, es->hloc16);
2414 else
2415 LocalUnlock(es->hloc32A);
2416 }
2417
2418 LocalUnlock(es->hloc32W);
2419 es->text = NULL;
2420 }
2421 else {
2422 ERR("no buffer ... please report\n");
2423 return;
2424 }
2425 }
2426 es->lock_count--;
2427 }
2428
2429
2430 /*********************************************************************
2431 *
2432 * EDIT_UpdateScrollInfo
2433 *
2434 */
2435 static void EDIT_UpdateScrollInfo(HWND hwnd, EDITSTATE *es)
2436 {
2437 if ((es->style & WS_VSCROLL) && !(es->flags & EF_VSCROLL_TRACK))
2438 {
2439 SCROLLINFO si;
2440 si.cbSize = sizeof(SCROLLINFO);
2441 si.fMask = SIF_PAGE | SIF_POS | SIF_RANGE | SIF_DISABLENOSCROLL;
2442 si.nMin = 0;
2443 si.nMax = es->line_count - 1;
2444 si.nPage = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
2445 si.nPos = es->y_offset;
2446 TRACE("SB_VERT, nMin=%d, nMax=%d, nPage=%d, nPos=%d\n",
2447 si.nMin, si.nMax, si.nPage, si.nPos);
2448 SetScrollInfo(hwnd, SB_VERT, &si, TRUE);
2449 }
2450
2451 if ((es->style & WS_HSCROLL) && !(es->flags & EF_HSCROLL_TRACK))
2452 {
2453 SCROLLINFO si;
2454 si.cbSize = sizeof(SCROLLINFO);
2455 si.fMask = SIF_PAGE | SIF_POS | SIF_RANGE | SIF_DISABLENOSCROLL;
2456 si.nMin = 0;
2457 si.nMax = es->text_width - 1;
2458 si.nPage = es->format_rect.right - es->format_rect.left;
2459 si.nPos = es->x_offset;
2460 TRACE("SB_HORZ, nMin=%d, nMax=%d, nPage=%d, nPos=%d\n",
2461 si.nMin, si.nMax, si.nPage, si.nPos);
2462 SetScrollInfo(hwnd, SB_HORZ, &si, TRUE);
2463 }
2464 }
2465
2466 /*********************************************************************
2467 *
2468 * EDIT_WordBreakProc
2469 *
2470 * Find the beginning of words.
2471 * Note: unlike the specs for a WordBreakProc, this function only
2472 * allows to be called without linebreaks between s[0] upto
2473 * s[count - 1]. Remember it is only called
2474 * internally, so we can decide this for ourselves.
2475 *
2476 */
2477 static INT CALLBACK EDIT_WordBreakProc(LPWSTR s, INT index, INT count, INT action)
2478 {
2479 INT ret = 0;
2480
2481 TRACE("s=%p, index=%d, count=%d, action=%d\n", s, index, count, action);
2482
2483 if(!s) return 0;
2484
2485 switch (action) {
2486 case WB_LEFT:
2487 if (!count)
2488 break;
2489 if (index)
2490 index--;
2491 if (s[index] == ' ') {
2492 while (index && (s[index] == ' '))
2493 index--;
2494 if (index) {
2495 while (index && (s[index] != ' '))
2496 index--;
2497 if (s[index] == ' ')
2498 index++;
2499 }
2500 } else {
2501 while (index && (s[index] != ' '))
2502 index--;
2503 if (s[index] == ' ')
2504 index++;
2505 }
2506 ret = index;
2507 break;
2508 case WB_RIGHT:
2509 if (!count)
2510 break;
2511 if (index)
2512 index--;
2513 if (s[index] == ' ')
2514 while ((index < count) && (s[index] == ' ')) index++;
2515 else {
2516 while (s[index] && (s[index] != ' ') && (index < count))
2517 index++;
2518 while ((s[index] == ' ') && (index < count)) index++;
2519 }
2520 ret = index;
2521 break;
2522 case WB_ISDELIMITER:
2523 ret = (s[index] == ' ');
2524 break;
2525 default:
2526 ERR("unknown action code, please report !\n");
2527 break;
2528 }
2529 return ret;
2530 }
2531
2532
2533 /*********************************************************************
2534 *
2535 * EM_CHARFROMPOS
2536 *
2537 * returns line number (not index) in high-order word of result.
2538 * NB : Q137805 is unclear about this. POINT * pointer in lParam apply
2539 * to Richedit, not to the edit control. Original documentation is valid.
2540 * FIXME: do the specs mean to return -1 if outside client area or
2541 * if outside formatting rectangle ???
2542 *
2543 */
2544 static LRESULT EDIT_EM_CharFromPos(HWND hwnd, EDITSTATE *es, INT x, INT y)
2545 {
2546 POINT pt;
2547 RECT rc;
2548 INT index;
2549
2550 pt.x = x;
2551 pt.y = y;
2552 GetClientRect(hwnd, &rc);
2553 if (!PtInRect(&rc, pt))
2554 return -1;
2555
2556 index = EDIT_CharFromPos(hwnd, es, x, y, NULL);
2557 return MAKELONG(index, EDIT_EM_LineFromChar(es, index));
2558 }
2559
2560
2561 /*********************************************************************
2562 *
2563 * EM_FMTLINES
2564 *
2565 * Enable or disable soft breaks.
2566 */
2567 static BOOL EDIT_EM_FmtLines(EDITSTATE *es, BOOL add_eol)
2568 {
2569 es->flags &= ~EF_USE_SOFTBRK;
2570 if (add_eol) {
2571 es->flags |= EF_USE_SOFTBRK;
2572 FIXME("soft break enabled, not implemented\n");
2573 }
2574 return add_eol;
2575 }
2576
2577
2578 /*********************************************************************
2579 *
2580 * EM_GETHANDLE
2581 *
2582 * Hopefully this won't fire back at us.
2583 * We always start with a fixed buffer in the local heap.
2584 * Despite of the documentation says that the local heap is used
2585 * only if DS_LOCALEDIT flag is set, NT and 2000 always allocate
2586 * buffer on the local heap.
2587 *
2588 */
2589 static HLOCAL EDIT_EM_GetHandle(EDITSTATE *es)
2590 {
2591 HLOCAL hLocal;
2592
2593 if (!(es->style & ES_MULTILINE))
2594 return 0;
2595
2596 if(es->is_unicode)
2597 hLocal = es->hloc32W;
2598 else
2599 {
2600 if(!es->hloc32A)
2601 {
2602 CHAR *textA;
2603 UINT countA, alloc_size;
2604 TRACE("Allocating 32-bit ANSI alias buffer\n");
2605 countA = WideCharToMultiByte(CP_ACP, 0, es->text, -1, NULL, 0, NULL, NULL);
2606 alloc_size = ROUND_TO_GROW(countA);
2607 if(!(es->hloc32A = LocalAlloc(LMEM_MOVEABLE | LMEM_ZEROINIT, alloc_size)))
2608 {
2609 ERR("Could not allocate %d bytes for 32-bit ANSI alias buffer\n", alloc_size);
2610 return 0;
2611 }
2612 textA = LocalLock(es->hloc32A);
2613 WideCharToMultiByte(CP_ACP, 0, es->text, -1, textA, countA, NULL, NULL);
2614 LocalUnlock(es->hloc32A);
2615 }
2616 hLocal = es->hloc32A;
2617 }
2618
2619 TRACE("Returning %04X, LocalSize() = %d\n", hLocal, LocalSize(hLocal));
2620 return hLocal;
2621 }
2622
2623
2624 /*********************************************************************
2625 *
2626 * EM_GETHANDLE16
2627 *
2628 * Hopefully this won't fire back at us.
2629 * We always start with a buffer in 32 bit linear memory.
2630 * However, with this message a 16 bit application requests
2631 * a handle of 16 bit local heap memory, where it expects to find
2632 * the text.
2633 * It's a pitty that from this moment on we have to use this
2634 * local heap, because applications may rely on the handle
2635 * in the future.
2636 *
2637 * In this function we'll try to switch to local heap.
2638 */
2639 static HLOCAL16 EDIT_EM_GetHandle16(HWND hwnd, EDITSTATE *es)
2640 {
2641 HINSTANCE hInstance = GetWindowLongA( hwnd, GWL_HINSTANCE );
2642 CHAR *textA;
2643 UINT countA, alloc_size;
2644
2645 if (!(es->style & ES_MULTILINE))
2646 return 0;
2647
2648 if (es->hloc16)
2649 return es->hloc16;
2650
2651 if (!LOCAL_HeapSize(hInstance)) {
2652 if (!LocalInit16(hInstance, 0,
2653 GlobalSize16(hInstance))) {
2654 ERR("could not initialize local heap\n");
2655 return 0;
2656 }
2657 TRACE("local heap initialized\n");
2658 }
2659
2660 countA = WideCharToMultiByte(CP_ACP, 0, es->text, -1, NULL, 0, NULL, NULL);
2661 alloc_size = ROUND_TO_GROW(countA);
2662
2663 TRACE("Allocating 16-bit ANSI alias buffer\n");
2664 if (!(es->hloc16 = LOCAL_Alloc(hInstance, LMEM_MOVEABLE | LMEM_ZEROINIT, alloc_size))) {
2665 ERR("could not allocate new 16 bit buffer\n");
2666 return 0;
2667 }
2668
2669 if (!(textA = (LPSTR)LOCAL_Lock(hInstance, es->hloc16))) {
2670 ERR("could not lock new 16 bit buffer\n");
2671 LOCAL_Free(hInstance, es->hloc16);
2672 es->hloc16 = 0;
2673 return 0;
2674 }
2675
2676 WideCharToMultiByte(CP_ACP, 0, es->text, -1, textA, countA, NULL, NULL);
2677 LOCAL_Unlock(hInstance, es->hloc16);
2678
2679 TRACE("Returning %04X, LocalSize() = %d\n", es->hloc16, LOCAL_Size(hInstance, es->hloc16));
2680 return es->hloc16;
2681 }
2682
2683
2684 /*********************************************************************
2685 *
2686 * EM_GETLINE
2687 *
2688 */
2689 static INT EDIT_EM_GetLine(EDITSTATE *es, INT line, LPARAM lParam, BOOL unicode)
2690 {
2691 LPWSTR src;
2692 INT line_len, dst_len;
2693 INT i;
2694
2695 if (es->style & ES_MULTILINE) {
2696 if (line >= es->line_count)
2697 return 0;
2698 } else
2699 line = 0;
2700 i = EDIT_EM_LineIndex(es, line);
2701 src = es->text + i;
2702 line_len = EDIT_EM_LineLength(es, i);
2703 dst_len = *(WORD *)lParam;
2704 if(unicode)
2705 {
2706 LPWSTR dst = (LPWSTR)lParam;
2707 if(dst_len <= line_len)
2708 {
2709 memcpy(dst, src, dst_len * sizeof(WCHAR));
2710 return dst_len;
2711 }
2712 else /* Append 0 if enough space */
2713 {
2714 memcpy(dst, src, line_len * sizeof(WCHAR));
2715 dst[line_len] = 0;
2716 return line_len;
2717 }
2718 }
2719 else
2720 {
2721 LPSTR dst = (LPSTR)lParam;
2722 INT ret;
2723 ret = WideCharToMultiByte(CP_ACP, 0, src, line_len, dst, dst_len, NULL, NULL);
2724 if(!ret) /* Insufficient buffer size */
2725 return dst_len;
2726 if(ret < dst_len) /* Append 0 if enough space */
2727 dst[ret] = 0;
2728 return ret;
2729 }
2730 }
2731
2732
2733 /*********************************************************************
2734 *
2735 * EM_GETSEL
2736 *
2737 */
2738 static LRESULT EDIT_EM_GetSel(EDITSTATE *es, LPUINT start, LPUINT end)
2739 {
2740 UINT s = es->selection_start;
2741 UINT e = es->selection_end;
2742
2743 ORDER_UINT(s, e);
2744 if (start)
2745 *start = s;
2746 if (end)
2747 *end = e;
2748 return MAKELONG(s, e);
2749 }
2750
2751
2752 /*********************************************************************
2753 *
2754 * EM_GETTHUMB
2755 *
2756 * FIXME: is this right ? (or should it be only VSCROLL)
2757 * (and maybe only for edit controls that really have their
2758 * own scrollbars) (and maybe only for multiline controls ?)
2759 * All in all: very poorly documented
2760 *
2761 */
2762 static LRESULT EDIT_EM_GetThumb(HWND hwnd, EDITSTATE *es)
2763 {
2764 return MAKELONG(EDIT_WM_VScroll(hwnd, es, EM_GETTHUMB16, 0),
2765 EDIT_WM_HScroll(hwnd, es, EM_GETTHUMB16, 0));
2766 }
2767
2768
2769 /*********************************************************************
2770 *
2771 * EM_LINEFROMCHAR
2772 *
2773 */
2774 static INT EDIT_EM_LineFromChar(EDITSTATE *es, INT index)
2775 {
2776 INT line;
2777 LINEDEF *line_def;
2778
2779 if (!(es->style & ES_MULTILINE))
2780 return 0;
2781 if (index > (INT)strlenW(es->text))
2782 return es->line_count - 1;
2783 if (index == -1)
2784 index = min(es->selection_start, es->selection_end);
2785
2786 line = 0;
2787 line_def = es->first_line_def;
2788 index -= line_def->length;
2789 while ((index >= 0) && line_def->next) {
2790 line++;
2791 line_def = line_def->next;
2792 index -= line_def->length;
2793 }
2794 return line;
2795 }
2796
2797
2798 /*********************************************************************
2799 *
2800 * EM_LINEINDEX
2801 *
2802 */
2803 static INT EDIT_EM_LineIndex(EDITSTATE *es, INT line)
2804 {
2805 INT line_index;
2806 LINEDEF *line_def;
2807
2808 if (!(es->style & ES_MULTILINE))
2809 return 0;
2810 if (line >= es->line_count)
2811 return -1;
2812
2813 line_index = 0;
2814 line_def = es->first_line_def;
2815 if (line == -1) {
2816 INT index = es->selection_end - line_def->length;
2817 while ((index >= 0) && line_def->next) {
2818 line_index += line_def->length;
2819 line_def = line_def->next;
2820 index -= line_def->length;
2821 }
2822 } else {
2823 while (line > 0) {
2824 line_index += line_def->length;
2825 line_def = line_def->next;
2826 line--;
2827 }
2828 }
2829 return line_index;
2830 }
2831
2832
2833 /*********************************************************************
2834 *
2835 * EM_LINELENGTH
2836 *
2837 */
2838 static INT EDIT_EM_LineLength(EDITSTATE *es, INT index)
2839 {
2840 LINEDEF *line_def;
2841
2842 if (!(es->style & ES_MULTILINE))
2843 return strlenW(es->text);
2844
2845 if (index == -1) {
2846 /* get the number of remaining non-selected chars of selected lines */
2847 INT32 l; /* line number */
2848 INT32 li; /* index of first char in line */
2849 INT32 count;
2850 l = EDIT_EM_LineFromChar(es, es->selection_start);
2851 /* # chars before start of selection area */
2852 count = es->selection_start - EDIT_EM_LineIndex(es, l);
2853 l = EDIT_EM_LineFromChar(es, es->selection_end);
2854 /* # chars after end of selection */
2855 li = EDIT_EM_LineIndex(es, l);
2856 count += li + EDIT_EM_LineLength(es, li) - es->selection_end;
2857 return count;
2858 }
2859 line_def = es->first_line_def;
2860 index -= line_def->length;
2861 while ((index >= 0) && line_def->next) {
2862 line_def = line_def->next;
2863 index -= line_def->length;
2864 }
2865 return line_def->net_length;
2866 }
2867
2868
2869 /*********************************************************************
2870 *
2871 * EM_LINESCROLL
2872 *
2873 * NOTE: dx is in average character widths, dy - in lines;
2874 *
2875 */
2876 static BOOL EDIT_EM_LineScroll(HWND hwnd, EDITSTATE *es, INT dx, INT dy)
2877 {
2878 if (!(es->style & ES_MULTILINE))
2879 return FALSE;
2880
2881 dx *= es->char_width;
2882 return EDIT_EM_LineScroll_internal(hwnd, es, dx, dy);
2883 }
2884
2885 /*********************************************************************
2886 *
2887 * EDIT_EM_LineScroll_internal
2888 *
2889 * Version of EDIT_EM_LineScroll for internal use.
2890 * It doesn't refuse if ES_MULTILINE is set and assumes that
2891 * dx is in pixels, dy - in lines.
2892 *
2893 */
2894 static BOOL EDIT_EM_LineScroll_internal(HWND hwnd, EDITSTATE *es, INT dx, INT dy)
2895 {
2896 INT nyoff;
2897 INT x_offset_in_pixels;
2898
2899 if (es->style & ES_MULTILINE)
2900 {
2901 x_offset_in_pixels = es->x_offset;
2902 }
2903 else
2904 {
2905 dy = 0;
2906 x_offset_in_pixels = SLOWORD(EDIT_EM_PosFromChar(hwnd, es, es->x_offset, FALSE));
2907 }
2908
2909 if (-dx > x_offset_in_pixels)
2910 dx = -x_offset_in_pixels;
2911 if (dx > es->text_width - x_offset_in_pixels)
2912 dx = es->text_width - x_offset_in_pixels;
2913 nyoff = max(0, es->y_offset + dy);
2914 if (nyoff >= es->line_count)
2915 nyoff = es->line_count - 1;
2916 dy = (es->y_offset - nyoff) * es->line_height;
2917 if (dx || dy) {
2918 RECT rc1;
2919 RECT rc;
2920
2921 es->y_offset = nyoff;
2922 if(es->style & ES_MULTILINE)
2923 es->x_offset += dx;
2924 else
2925 es->x_offset += dx / es->char_width;
2926
2927 GetClientRect(hwnd, &rc1);
2928 IntersectRect(&rc, &rc1, &es->format_rect);
2929 ScrollWindowEx(hwnd, -dx, dy,
2930 NULL, &rc, (HRGN)NULL, NULL, SW_INVALIDATE);
2931 /* force scroll info update */
2932 EDIT_UpdateScrollInfo(hwnd, es);
2933 }
2934 if (dx && !(es->flags & EF_HSCROLL_TRACK))
2935 EDIT_NOTIFY_PARENT(hwnd, es, EN_HSCROLL, "EN_HSCROLL");
2936 if (dy && !(es->flags & EF_VSCROLL_TRACK))
2937 EDIT_NOTIFY_PARENT(hwnd, es, EN_VSCROLL, "EN_VSCROLL");
2938 return TRUE;
2939 }
2940
2941
2942 /*********************************************************************
2943 *
2944 * EM_POSFROMCHAR
2945 *
2946 */
2947 static LRESULT EDIT_EM_PosFromChar(HWND hwnd, EDITSTATE *es, INT index, BOOL after_wrap)
2948 {
2949 INT len = strlenW(es->text);
2950 INT l;
2951 INT li;
2952 INT x;
2953 INT y = 0;
2954 HDC dc;
2955 HFONT old_font = 0;
2956 SIZE size;
2957
2958 index = min(index, len);
2959 dc = GetDC(hwnd);
2960 if (es->font)
2961 old_font = SelectObject(dc, es->font);
2962 if (es->style & ES_MULTILINE) {
2963 l = EDIT_EM_LineFromChar(es, index);
2964 y = (l - es->y_offset) * es->line_height;
2965 li = EDIT_EM_LineIndex(es, l);
2966 if (after_wrap && (li == index) && l) {
2967 INT l2 = l - 1;
2968 LINEDEF *line_def = es->first_line_def;
2969 while (l2) {
2970 line_def = line_def->next;
2971 l2--;
2972 }
2973 if (line_def->ending == END_WRAP) {
2974 l--;
2975 y -= es->line_height;
2976 li = EDIT_EM_LineIndex(es, l);
2977 }
2978 }
2979 x = LOWORD(GetTabbedTextExtentW(dc, es->text + li, index - li,
2980 es->tabs_count, es->tabs)) - es->x_offset;
2981 } else {
2982 LPWSTR text = EDIT_GetPasswordPointer_SL(es);
2983 if (index < es->x_offset) {
2984 GetTextExtentPoint32W(dc, text + index,
2985 es->x_offset - index, &size);
2986 x = -size.cx;
2987 } else {
2988 GetTextExtentPoint32W(dc, text + es->x_offset,
2989 index - es->x_offset, &size);
2990 x = size.cx;
2991 }
2992 y = 0;
2993 if (es->style & ES_PASSWORD)
2994 HeapFree(GetProcessHeap(), 0, text);
2995 }
2996 x += es->format_rect.left;
2997 y += es->format_rect.top;
2998 if (es->font)
2999 SelectObject(dc, old_font);
3000 ReleaseDC(hwnd, dc);
3001 return MAKELONG((INT16)x, (INT16)y);
3002 }
3003
3004
3005 /*********************************************************************
3006 *
3007 * EM_REPLACESEL
3008 *
3009 * FIXME: handle ES_NUMBER and ES_OEMCONVERT here
3010 *
3011 */
3012 static void EDIT_EM_ReplaceSel(HWND hwnd, EDITSTATE *es, BOOL can_undo, LPCWSTR lpsz_replace, BOOL send_update)
3013 {
3014 UINT strl = strlenW(lpsz_replace);
3015 UINT tl = strlenW(es->text);
3016 UINT utl;
3017 UINT s;
3018 UINT e;
3019 UINT i;
3020 LPWSTR p;
3021 HRGN hrgn = 0;
3022
3023 TRACE("%s, can_undo %d, send_update %d\n",
3024 debugstr_w(lpsz_replace), can_undo, send_update);
3025
3026 s = es->selection_start;
3027 e = es->selection_end;
3028
3029 if ((s == e) && !strl)
3030 return;
3031
3032 ORDER_UINT(s, e);
3033
3034 if (!EDIT_MakeFit(hwnd, es, tl - (e - s) + strl))
3035 return;
3036
3037 if (e != s) {
3038 /* there is something to be deleted */
3039 TRACE("deleting stuff.\n");
3040 if (can_undo) {
3041 utl = strlenW(es->undo_text);
3042 if (!es->undo_insert_count && (*es->undo_text && (s == es->undo_position))) {
3043 /* undo-buffer is extended to the right */
3044 EDIT_MakeUndoFit(es, utl + e - s);
3045 strncpyW(es->undo_text + utl, es->text + s, e - s + 1);
3046 (es->undo_text + utl)[e - s] = 0; /* ensure 0 termination */
3047 } else if (!es->undo_insert_count && (*es->undo_text && (e == es->undo_position))) {
3048 /* undo-buffer is extended to the left */
3049 EDIT_MakeUndoFit(es, utl + e - s);
3050 for (p = es->undo_text + utl ; p >= es->undo_text ; p--)
3051 p[e - s] = p[0];
3052 for (i = 0 , p = es->undo_text ; i < e - s ; i++)
3053 p[i] = (es->text + s)[i];
3054 es->undo_position = s;
3055 } else {
3056 /* new undo-buffer */
3057 EDIT_MakeUndoFit(es, e - s);
3058 strncpyW(es->undo_text, es->text + s, e - s + 1);
3059 es->undo_text[e - s] = 0; /* ensure 0 termination */
3060 es->undo_position = s;
3061 }
3062 /* any deletion makes the old insertion-undo invalid */
3063 es->undo_insert_count = 0;
3064 } else
3065 EDIT_EM_EmptyUndoBuffer(es);
3066
3067 /* now delete */
3068 strcpyW(es->text + s, es->text + e);
3069 }
3070 if (strl) {
3071 /* there is an insertion */
3072 if (can_undo) {
3073 if ((s == es->undo_position) ||
3074 ((es->undo_insert_count) &&
3075 (s == es->undo_position + es->undo_insert_count)))
3076 /*
3077 * insertion is new and at delete position or
3078 * an extension to either left or right
3079 */
3080 es->undo_insert_count += strl;
3081 else {
3082 /* new insertion undo */
3083 es->undo_position = s;
3084 es->undo_insert_count = strl;
3085 /* new insertion makes old delete-buffer invalid */
3086 *es->undo_text = '\0';
3087 }
3088 } else
3089 EDIT_EM_EmptyUndoBuffer(es);
3090
3091 /* now insert */
3092 tl = strlenW(es->text);
3093 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));
3094 for (p = es->text + tl ; p >= es->text + s ; p--)
3095 p[strl] = p[0];
3096 for (i = 0 , p = es->text + s ; i < strl ; i++)
3097 p[i] = lpsz_replace[i];
3098 if(es->style & ES_UPPERCASE)
3099 CharUpperBuffW(p, strl);
3100 else if(es->style & ES_LOWERCASE)
3101 CharLowerBuffW(p, strl);
3102 s += strl;
3103 }
3104 if (es->style & ES_MULTILINE)
3105 {
3106 INT s = min(es->selection_start, es->selection_end);
3107
3108 hrgn = CreateRectRgn(0, 0, 0, 0);
3109 EDIT_BuildLineDefs_ML(hwnd, es, s, s + strl,
3110 strl - abs(es->selection_end - es->selection_start), hrgn);
3111 }
3112 else
3113 EDIT_CalcLineWidth_SL(hwnd, es);
3114
3115 EDIT_EM_SetSel(hwnd, es, s, s, FALSE);
3116 es->flags |= EF_MODIFIED;
3117 if (send_update) es->flags |= EF_UPDATE;
3118 EDIT_EM_ScrollCaret(hwnd, es);
3119
3120 /* force scroll info update */
3121 EDIT_UpdateScrollInfo(hwnd, es);
3122
3123 if (hrgn)
3124 {
3125 EDIT_UpdateTextRegion(hwnd, es, hrgn, TRUE);
3126 DeleteObject(hrgn);
3127 }
3128 else
3129 EDIT_UpdateText(hwnd, es, NULL, TRUE);
3130
3131 if(es->flags & EF_UPDATE)
3132 {
3133 es->flags &= ~EF_UPDATE;
3134 EDIT_NOTIFY_PARENT(hwnd, es, EN_CHANGE, "EN_CHANGE");
3135 }
3136 }
3137
3138
3139 /*********************************************************************
3140 *
3141 * EM_SCROLL
3142 *
3143 */
3144 static LRESULT EDIT_EM_Scroll(HWND hwnd, EDITSTATE *es, INT action)
3145 {
3146 INT dy;
3147
3148 if (!(es->style & ES_MULTILINE))
3149 return (LRESULT)FALSE;
3150
3151 dy = 0;
3152
3153 switch (action) {
3154 case SB_LINEUP:
3155 if (es->y_offset)
3156 dy = -1;
3157 break;
3158 case SB_LINEDOWN:
3159 if (es->y_offset < es->line_count - 1)
3160 dy = 1;
3161 break;
3162 case SB_PAGEUP:
3163 if (es->y_offset)
3164 dy = -(es->format_rect.bottom - es->format_rect.top) / es->line_height;
3165 break;
3166 case SB_PAGEDOWN:
3167 if (es->y_offset < es->line_count - 1)
3168 dy = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
3169 break;
3170 default:
3171 return (LRESULT)FALSE;
3172 }
3173 if (dy) {
3174 INT vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
3175 /* check if we are going to move too far */
3176 if(es->y_offset + dy > es->line_count - vlc)
3177 dy = es->line_count - vlc - es->y_offset;
3178
3179 /* Notification is done in EDIT_EM_LineScroll */
3180 if(dy)
3181 EDIT_EM_LineScroll(hwnd, es, 0, dy);
3182 }
3183 return MAKELONG((INT16)dy, (BOOL16)TRUE);
3184 }
3185
3186
3187 /*********************************************************************
3188 *
3189 * EM_SCROLLCARET
3190 *
3191 */
3192 static void EDIT_EM_ScrollCaret(HWND hwnd, EDITSTATE *es)
3193 {
3194 if (es->style & ES_MULTILINE) {
3195 INT l;
3196 INT li;
3197 INT vlc;
3198 INT ww;
3199 INT cw = es->char_width;
3200 INT x;
3201 INT dy = 0;
3202 INT dx = 0;
3203
3204 l = EDIT_EM_LineFromChar(es, es->selection_end);
3205 li = EDIT_EM_LineIndex(es, l);
3206 x = SLOWORD(EDIT_EM_PosFromChar(hwnd, es, es->selection_end, es->flags & EF_AFTER_WRAP));
3207 vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
3208 if (l >= es->y_offset + vlc)
3209 dy = l - vlc + 1 - es->y_offset;
3210 if (l < es->y_offset)
3211 dy = l - es->y_offset;
3212 ww = es->format_rect.right - es->format_rect.left;
3213 if (x < es->format_rect.left)
3214 dx = x - es->format_rect.left - ww / HSCROLL_FRACTION / cw * cw;
3215 if (x > es->format_rect.right)
3216 dx = x - es->format_rect.left - (HSCROLL_FRACTION - 1) * ww / HSCROLL_FRACTION / cw * cw;
3217 if (dy || dx)
3218 {
3219 /* check if we are going to move too far */
3220 if(es->x_offset + dx + ww > es->text_width)
3221 dx = es->text_width - ww - es->x_offset;
3222 if(dx || dy)
3223 EDIT_EM_LineScroll_internal(hwnd, es, dx, dy);
3224 }
3225 } else {
3226 INT x;
3227 INT goal;
3228 INT format_width;
3229
3230 if (!(es->style & ES_AUTOHSCROLL))
3231 return;
3232
3233 x = SLOWORD(EDIT_EM_PosFromChar(hwnd, es, es->selection_end, FALSE));
3234 format_width = es->format_rect.right - es->format_rect.left;
3235 if (x < es->format_rect.left) {
3236 goal = es->format_rect.left + format_width / HSCROLL_FRACTION;
3237 do {
3238 es->x_offset--;
3239 x = SLOWORD(EDIT_EM_PosFromChar(hwnd, es, es->selection_end, FALSE));
3240 } while ((x < goal) && es->x_offset);
3241 /* FIXME: use ScrollWindow() somehow to improve performance */
3242 EDIT_UpdateText(hwnd, es, NULL, TRUE);
3243 } else if (x > es->format_rect.right) {
3244 INT x_last;
3245 INT len = strlenW(es->text);
3246 goal = es->format_rect.right - format_width / HSCROLL_FRACTION;
3247 do {
3248 es->x_offset++;
3249 x = SLOWORD(EDIT_EM_PosFromChar(hwnd, es, es->selection_end, FALSE));
3250 x_last = SLOWORD(EDIT_EM_PosFromChar(hwnd, es, len, FALSE));
3251 } while ((x > goal) && (x_last > es->format_rect.right));
3252 /* FIXME: use ScrollWindow() somehow to improve performance */
3253 EDIT_UpdateText(hwnd, es, NULL, TRUE);
3254 }
3255 }
3256
3257 if(es->flags & EF_FOCUSED)
3258 EDIT_SetCaretPos(hwnd, es, es->selection_end, es->flags & EF_AFTER_WRAP);
3259 }
3260
3261
3262 /*********************************************************************
3263 *
3264 * EM_SETHANDLE
3265 *
3266 * FIXME: ES_LOWERCASE, ES_UPPERCASE, ES_OEMCONVERT, ES_NUMBER ???
3267 *
3268 */
3269 static void EDIT_EM_SetHandle(HWND hwnd, EDITSTATE *es, HLOCAL hloc)
3270 {
3271 HINSTANCE hInstance = GetWindowLongA( hwnd, GWL_HINSTANCE );
3272
3273 if (!(es->style & ES_MULTILINE))
3274 return;
3275
3276 if (!hloc) {
3277 WARN("called with NULL handle\n");
3278 return;
3279 }
3280
3281 EDIT_UnlockBuffer(hwnd, es, TRUE);
3282
3283 if(es->hloc16)
3284 {
3285 LOCAL_Free(hInstance, es->hloc16);
3286 es->hloc16 = (HLOCAL16)NULL;
3287 }
3288
3289 if(es->is_unicode)
3290 {
3291 if(es->hloc32A)
3292 {
3293 LocalFree(es->hloc32A);
3294 es->hloc32A = (HLOCAL)NULL;
3295 }
3296 es->hloc32W = hloc;
3297 }
3298 else
3299 {
3300 INT countW, countA;
3301 HLOCAL hloc32W_new;
3302 WCHAR *textW;
3303 CHAR *textA;
3304
3305 countA = LocalSize(hloc);
3306 textA = LocalLock(hloc);
3307 countW = MultiByteToWideChar(CP_ACP, 0, textA, countA, NULL, 0);
3308 if(!(hloc32W_new = LocalAlloc(LMEM_MOVEABLE | LMEM_ZEROINIT, countW * sizeof(WCHAR))))
3309 {
3310 ERR("Could not allocate new unicode buffer\n");
3311 return;
3312 }
3313 textW = LocalLock(hloc32W_new);
3314 MultiByteToWideChar(CP_ACP, 0, textA, countA, textW, countW);
3315 LocalUnlock(hloc32W_new);
3316 LocalUnlock(hloc);
3317
3318 if(es->hloc32W)
3319 LocalFree(es->hloc32W);
3320
3321 es->hloc32W = hloc32W_new;
3322 es->hloc32A = hloc;
3323 }
3324
3325 es->buffer_size = LocalSize(es->hloc32W)/sizeof(WCHAR) - 1;
3326
3327 EDIT_LockBuffer(hwnd, es);
3328
3329 es->x_offset = es->y_offset = 0;
3330 es->selection_start = es->selection_end = 0;
3331 EDIT_EM_EmptyUndoBuffer(es);
3332 es->flags &= ~EF_MODIFIED;
3333 es->flags &= ~EF_UPDATE;
3334 EDIT_BuildLineDefs_ML(hwnd, es, 0, strlenW(es->text), 0, (HRGN)0);
3335 EDIT_UpdateText(hwnd, es, NULL, TRUE);
3336 EDIT_EM_ScrollCaret(hwnd, es);
3337 /* force scroll info update */
3338 EDIT_UpdateScrollInfo(hwnd, es);
3339 }
3340
3341
3342 /*********************************************************************
3343 *
3344 * EM_SETHANDLE16
3345 *
3346 * FIXME: ES_LOWERCASE, ES_UPPERCASE, ES_OEMCONVERT, ES_NUMBER ???
3347 *
3348 */
3349 static void EDIT_EM_SetHandle16(HWND hwnd, EDITSTATE *es, HLOCAL16 hloc)
3350 {
3351 HINSTANCE hInstance = GetWindowLongA( hwnd, GWL_HINSTANCE );
3352 INT countW, countA;
3353 HLOCAL hloc32W_new;
3354 WCHAR *textW;
3355 CHAR *textA;
3356
3357 if (!(es->style & ES_MULTILINE))
3358 return;
3359
3360 if (!hloc) {
3361 WARN("called with NULL handle\n");
3362 return;
3363 }
3364
3365 EDIT_UnlockBuffer(hwnd, es, TRUE);
3366
3367 if(es->hloc32A)
3368 {
3369 LocalFree(es->hloc32A);
3370 es->hloc32A = (HLOCAL)NULL;
3371 }
3372
3373 countA = LOCAL_Size(hInstance, hloc);
3374 textA = LOCAL_Lock(hInstance, hloc);
3375 countW = MultiByteToWideChar(CP_ACP, 0, textA, countA, NULL, 0);
3376 if(!(hloc32W_new = LocalAlloc(LMEM_MOVEABLE | LMEM_ZEROINIT, countW * sizeof(WCHAR))))
3377 {
3378 ERR("Could not allocate new unicode buffer\n");
3379 return;
3380 }
3381 textW = LocalLock(hloc32W_new);
3382 MultiByteToWideChar(CP_ACP, 0, textA, countA, textW, countW);
3383 LocalUnlock(hloc32W_new);
3384 LOCAL_Unlock(hInstance, hloc);
3385
3386 if(es->hloc32W)
3387 LocalFree(es->hloc32W);
3388
3389 es->hloc32W = hloc32W_new;
3390 es->hloc16 = hloc;
3391
3392 es->buffer_size = LocalSize(es->hloc32W)/sizeof(WCHAR) - 1;
3393
3394 EDIT_LockBuffer(hwnd, es);
3395
3396 es->x_offset = es->y_offset = 0;
3397 es->selection_start = es->selection_end = 0;
3398 EDIT_EM_EmptyUndoBuffer(es);
3399 es->flags &= ~EF_MODIFIED;
3400 es->flags &= ~EF_UPDATE;
3401 EDIT_BuildLineDefs_ML(hwnd, es, 0, strlenW(es->text), 0, (HRGN)0);
3402 EDIT_UpdateText(hwnd, es, NULL, TRUE);
3403 EDIT_EM_ScrollCaret(hwnd, es);
3404 /* force scroll info update */
3405 EDIT_UpdateScrollInfo(hwnd, es);
3406 }
3407
3408
3409 /*********************************************************************
3410 *
3411 * EM_SETLIMITTEXT
3412 *
3413 * FIXME: in WinNT maxsize is 0x7FFFFFFF / 0xFFFFFFFF
3414 * However, the windows version is not complied to yet in all of edit.c
3415 *
3416 * Additionally as the wrapper for RichEdit controls we need larger buffers
3417 * at present -1 will represent nolimit
3418 */
3419 static void EDIT_EM_SetLimitText(EDITSTATE *es, INT limit)
3420 {
3421 if (limit == 0xFFFFFFFF)
3422 es->buffer_limit = -1;
3423 else if (es->style & ES_MULTILINE) {
3424 if (limit)
3425 es->buffer_limit = min(limit, BUFLIMIT_MULTI);
3426 else
3427 es->buffer_limit = BUFLIMIT_MULTI;
3428 } else {
3429 if (limit)
3430 es->buffer_limit = min(limit, BUFLIMIT_SINGLE);
3431 else
3432 es->buffer_limit = BUFLIMIT_SINGLE;
3433 }
3434 }
3435
3436
3437 /*********************************************************************
3438 *
3439 * EM_SETMARGINS
3440 *
3441 * EC_USEFONTINFO is used as a left or right value i.e. lParam and not as an
3442 * action wParam despite what the docs say. EC_USEFONTINFO means one third
3443 * of the char's width, according to the new docs.
3444 *
3445 */
3446 static void EDIT_EM_SetMargins(EDITSTATE *es, INT action,
3447 INT left, INT right)
3448 {
3449 if (action & EC_LEFTMARGIN) {
3450 if (left != EC_USEFONTINFO)
3451 es->left_margin = left;
3452 else
3453 es->left_margin = es->char_width / 3;
3454 }
3455
3456 if (action & EC_RIGHTMARGIN) {
3457 if (right != EC_USEFONTINFO)
3458 es->right_margin = right;
3459 else
3460 es->right_margin = es->char_width / 3;
3461 }
3462 TRACE("left=%d, right=%d\n", es->left_margin, es->right_margin);
3463 }
3464
3465
3466 /*********************************************************************
3467 *
3468 * EM_SETPASSWORDCHAR
3469 *
3470 */
3471 static void EDIT_EM_SetPasswordChar(HWND hwnd, EDITSTATE *es, WCHAR c)
3472 {
3473 LONG style;
3474
3475 if (es->style & ES_MULTILINE)
3476 return;
3477
3478 if (es->password_char == c)
3479 return;
3480
3481 style = GetWindowLongA( hwnd, GWL_STYLE );
3482 es->password_char = c;
3483 if (c) {
3484 SetWindowLongA( hwnd, GWL_STYLE, style | ES_PASSWORD );
3485 es->style |= ES_PASSWORD;
3486 } else {
3487 SetWindowLongA( hwnd, GWL_STYLE, style & ~ES_PASSWORD );
3488 es->style &= ~ES_PASSWORD;
3489 }
3490 EDIT_UpdateText(hwnd, es, NULL, TRUE);
3491 }
3492
3493
3494 /*********************************************************************
3495 *
3496 * EDIT_EM_SetSel
3497 *
3498 * note: unlike the specs say: the order of start and end
3499 * _is_ preserved in Windows. (i.e. start can be > end)
3500 * In other words: this handler is OK
3501 *
3502 */
3503 static void EDIT_EM_SetSel(HWND hwnd, EDITSTATE *es, UINT start, UINT end, BOOL after_wrap)
3504 {
3505 UINT old_start = es->selection_start;
3506 UINT old_end = es->selection_end;
3507 UINT len = strlenW(es->text);
3508
3509 if (start == (UINT)-1) {
3510 start = es->selection_end;
3511 end = es->selection_end;
3512 } else {
3513 start = min(start, len);
3514 end = min(end, len);
3515 }
3516 es->selection_start = start;
3517 es->selection_end = end;
3518 if (after_wrap)
3519 es->flags |= EF_AFTER_WRAP;
3520 else
3521 es->flags &= ~EF_AFTER_WRAP;
3522 /* This is a little bit more efficient than before, not sure if it can be improved. FIXME? */
3523 ORDER_UINT(start, end);
3524 ORDER_UINT(end, old_end);
3525 ORDER_UINT(start, old_start);
3526 ORDER_UINT(old_start, old_end);
3527 if (end != old_start)
3528 {
3529 /*
3530 * One can also do
3531 * ORDER_UINT32(end, old_start);
3532 * EDIT_InvalidateText(hwnd, es, start, end);
3533 * EDIT_InvalidateText(hwnd, es, old_start, old_end);
3534 * in place of the following if statement.
3535 */
3536 if (old_start > end )
3537 {
3538 EDIT_InvalidateText(hwnd, es, start, end);
3539 EDIT_InvalidateText(hwnd, es, old_start, old_end);
3540 }
3541 else
3542 {
3543 EDIT_InvalidateText(hwnd, es, start, old_start);
3544 EDIT_InvalidateText(hwnd, es, end, old_end);
3545 }
3546 }
3547 else EDIT_InvalidateText(hwnd, es, start, old_end);
3548 }
3549
3550
3551 /*********************************************************************
3552 *
3553 * EM_SETTABSTOPS
3554 *
3555 */
3556 static BOOL EDIT_EM_SetTabStops(EDITSTATE *es, INT count, LPINT tabs)
3557 {
3558 if (!(es->style & ES_MULTILINE))
3559 return FALSE;
3560 if (es->tabs)
3561 HeapFree(GetProcessHeap(), 0, es->tabs);
3562 es->tabs_count = count;
3563 if (!count)
3564 es->tabs = NULL;
3565 else {
3566 es->tabs = HeapAlloc(GetProcessHeap(), 0, count * sizeof(INT));
3567 memcpy(es->tabs, tabs, count * sizeof(INT));
3568 }
3569 return TRUE;
3570 }
3571
3572
3573 /*********************************************************************
3574 *
3575 * EM_SETTABSTOPS16
3576 *
3577 */
3578 static BOOL EDIT_EM_SetTabStops16(EDITSTATE *es, INT count, LPINT16 tabs)
3579 {
3580 if (!(es->style & ES_MULTILINE))
3581 return FALSE;
3582 if (es->tabs)
3583 HeapFree(GetProcessHeap(), 0, es->tabs);
3584 es->tabs_count = count;
3585 if (!count)
3586 es->tabs = NULL;
3587 else {
3588 INT i;
3589 es->tabs = HeapAlloc(GetProcessHeap(), 0, count * sizeof(INT));
3590 for (i = 0 ; i < count ; i++)
3591 es->tabs[i] = *tabs++;
3592 }
3593 return TRUE;
3594 }
3595
3596
3597 /*********************************************************************
3598 *
3599 * EM_SETWORDBREAKPROC
3600 *
3601 */
3602 static void EDIT_EM_SetWordBreakProc(HWND hwnd, EDITSTATE *es, LPARAM lParam)
3603 {
3604 if (es->word_break_proc == (void *)lParam)
3605 return;
3606
3607 es->word_break_proc = (void *)lParam;
3608 es->word_break_proc16 = NULL;
3609
3610 if ((es->style & ES_MULTILINE) && !(es->style & ES_AUTOHSCROLL)) {
3611 EDIT_BuildLineDefs_ML(hwnd, es, 0, strlenW(es->text), 0, (HRGN)0);
3612 EDIT_UpdateText(hwnd, es, NULL, TRUE);
3613 }
3614 }
3615
3616
3617 /*********************************************************************
3618 *
3619 * EM_SETWORDBREAKPROC16
3620 *
3621 */
3622 static void EDIT_EM_SetWordBreakProc16(HWND hwnd, EDITSTATE *es, EDITWORDBREAKPROC16 wbp)
3623 {
3624 if (es->word_break_proc16 == wbp)
3625 return;
3626
3627 es->word_break_proc = NULL;
3628 es->word_break_proc16 = wbp;
3629 if ((es->style & ES_MULTILINE) && !(es->style & ES_AUTOHSCROLL)) {
3630 EDIT_BuildLineDefs_ML(hwnd, es, 0, strlenW(es->text), 0, (HRGN)0);
3631 EDIT_UpdateText(hwnd, es, NULL, TRUE);
3632 }
3633 }
3634
3635
3636 /*********************************************************************
3637 *
3638 * EM_UNDO / WM_UNDO
3639 *
3640 */
3641 static BOOL EDIT_EM_Undo(HWND hwnd, EDITSTATE *es)
3642 {
3643 INT ulength;
3644 LPWSTR utext;
3645
3646 /* Protect read-only edit control from modification */
3647 if(es->style & ES_READONLY)
3648 return FALSE;
3649
3650 ulength = strlenW(es->undo_text);
3651 utext = HeapAlloc(GetProcessHeap(), 0, (ulength + 1) * sizeof(WCHAR));
3652
3653 strcpyW(utext, es->undo_text);
3654
3655 TRACE("before UNDO:insertion length = %d, deletion buffer = %s\n",
3656 es->undo_insert_count, debugstr_w(utext));
3657
3658 EDIT_EM_SetSel(hwnd, es, es->undo_position, es->undo_position + es->undo_insert_count, FALSE);
3659 EDIT_EM_EmptyUndoBuffer(es);
3660 EDIT_EM_ReplaceSel(hwnd, es, TRUE, utext, FALSE);
3661 EDIT_EM_SetSel(hwnd, es, es->undo_position, es->undo_position + es->undo_insert_count, FALSE);
3662 /* send the notification after the selection start and end are set */
3663 EDIT_NOTIFY_PARENT(hwnd, es, EN_CHANGE, "EN_CHANGE");
3664 EDIT_EM_ScrollCaret(hwnd, es);
3665 HeapFree(GetProcessHeap(), 0, utext);
3666
3667 TRACE("after UNDO:insertion length = %d, deletion buffer = %s\n",
3668 es->undo_insert_count, debugstr_w(es->undo_text));
3669 return TRUE;
3670 }
3671
3672
3673 /*********************************************************************
3674 *
3675 * WM_CHAR
3676 *
3677 */
3678 static void EDIT_WM_Char(HWND hwnd, EDITSTATE *es, WCHAR c)
3679 {
3680 BOOL control;
3681
3682 /* Protect read-only edit control from modification */
3683 if(es->style & ES_READONLY)
3684 return;
3685
3686 control = GetKeyState(VK_CONTROL) & 0x8000;
3687
3688 switch (c) {
3689 case '\r':
3690 /* If the edit doesn't want the return and it's not a multiline edit, do nothing */
3691 if(!(es->style & ES_MULTILINE) && !(es->style & ES_WANTRETURN))
3692 break;
3693 case '\n':
3694 if (es->style & ES_MULTILINE) {
3695 if (es->style & ES_READONLY) {
3696 EDIT_MoveHome(hwnd, es, FALSE);
3697 EDIT_MoveDown_ML(hwnd, es, FALSE);
3698 } else {
3699 static const WCHAR cr_lfW[] = {'\r','\n',0};
3700 EDIT_EM_ReplaceSel(hwnd, es, TRUE, cr_lfW, TRUE);
3701 }
3702 }
3703 break;
3704 case '\t':
3705 if ((es->style & ES_MULTILINE) && !(es->style & ES_READONLY))
3706 {
3707 static const WCHAR tabW[] = {'\t',0};
3708 EDIT_EM_ReplaceSel(hwnd, es, TRUE, tabW, TRUE);
3709 }
3710 break;
3711 case VK_BACK:
3712 if (!(es->style & ES_READONLY) && !control) {
3713 if (es->selection_start != es->selection_end)
3714 EDIT_WM_Clear(hwnd, es);
3715 else {
3716 /* delete character left of caret */
3717 EDIT_EM_SetSel(hwnd, es, (UINT)-1, 0, FALSE);
3718 EDIT_MoveBackward(hwnd, es, TRUE);
3719 EDIT_WM_Clear(hwnd, es);
3720 }
3721 }
3722 break;
3723 case 0x03: /* ^C */
3724 SendMessageW(hwnd, WM_COPY, 0, 0);
3725 break;
3726 case 0x16: /* ^V */
3727 SendMessageW(hwnd, WM_PASTE, 0, 0);
3728 break;
3729 case 0x18: /* ^X */
3730 SendMessageW(hwnd, WM_CUT, 0, 0);
3731 break;
3732
3733 default:
3734 if (!(es->style & ES_READONLY) && (c >= ' ') && (c != 127)) {
3735 WCHAR str[2];
3736 str[0] = c;
3737 str[1] = '\0';
3738 EDIT_EM_ReplaceSel(hwnd, es, TRUE, str, TRUE);
3739 }
3740 break;
3741 }
3742 }
3743
3744
3745 /*********************************************************************
3746 *
3747 * WM_COMMAND
3748 *
3749 */
3750 static void EDIT_WM_Command(HWND hwnd, EDITSTATE *es, INT code, INT id, HWND control)
3751 {
3752 if (code || control)
3753 return;
3754
3755 switch (id) {
3756 case EM_UNDO:
3757 EDIT_EM_Undo(hwnd, es);
3758 break;
3759 case WM_CUT:
3760 EDIT_WM_Cut(hwnd, es);
3761 break;
3762 case WM_COPY:
3763 EDIT_WM_Copy(hwnd, es);
3764 break;
3765 case WM_PASTE:
3766 EDIT_WM_Paste(hwnd, es);
3767 break;
3768 case WM_CLEAR:
3769 EDIT_WM_Clear(hwnd, es);
3770 break;
3771 case EM_SETSEL:
3772 EDIT_EM_SetSel(hwnd, es, 0, (UINT)-1, FALSE);
3773 EDIT_EM_ScrollCaret(hwnd, es);
3774 break;
3775 default:
3776 ERR("unknown menu item, please report\n");
3777 break;
3778 }
3779 }
3780
3781
3782 /*********************************************************************
3783 *
3784 * WM_CONTEXTMENU
3785 *
3786 * Note: the resource files resource/sysres_??.rc cannot define a
3787 * single popup menu. Hence we use a (dummy) menubar
3788 * containing the single popup menu as its first item.
3789 *
3790 * FIXME: the message identifiers have been chosen arbitrarily,
3791 * hence we use MF_BYPOSITION.
3792 * We might as well use the "real" values (anybody knows ?)
3793 * The menu definition is in resources/sysres_??.rc.
3794 * Once these are OK, we better use MF_BYCOMMAND here
3795 * (as we do in EDIT_WM_Command()).
3796 *
3797 */
3798 static void EDIT_WM_ContextMenu(HWND hwnd, EDITSTATE *es, INT x, INT y)
3799 {
3800 HMENU menu = LoadMenuA(GetModuleHandleA("USER32"), "EDITMENU");
3801 HMENU popup = GetSubMenu(menu, 0);
3802 UINT start = es->selection_start;
3803 UINT end = es->selection_end;
3804
3805 ORDER_UINT(start, end);
3806
3807 /* undo */
3808 EnableMenuItem(popup, 0, MF_BYPOSITION | (EDIT_EM_CanUndo(es) && !(es->style & ES_READONLY) ? MF_ENABLED : MF_GRAYED));
3809 /* cut */
3810 EnableMenuItem(popup, 2, MF_BYPOSITION | ((end - start) && !(es->style & ES_PASSWORD) && !(es->style & ES_READONLY) ? MF_ENABLED : MF_GRAYED));
3811 /* copy */
3812 EnableMenuItem(popup, 3, MF_BYPOSITION | ((end - start) && !(es->style & ES_PASSWORD) ? MF_ENABLED : MF_GRAYED));
3813 /* paste */
3814 EnableMenuItem(popup, 4, MF_BYPOSITION | (IsClipboardFormatAvailable(CF_UNICODETEXT) && !(es->style & ES_READONLY) ? MF_ENABLED : MF_GRAYED));
3815 /* delete */
3816 EnableMenuItem(popup, 5, MF_BYPOSITION | ((end - start) && !(es->style & ES_READONLY) ? MF_ENABLED : MF_GRAYED));
3817 /* select all */
3818 EnableMenuItem(popup, 7, MF_BYPOSITION | (start || (end != strlenW(es->text)) ? MF_ENABLED : MF_GRAYED));
3819
3820 TrackPopupMenu(popup, TPM_LEFTALIGN | TPM_RIGHTBUTTON, x, y, 0, hwnd, NULL);
3821 DestroyMenu(menu);
3822 }
3823
3824
3825 /*********************************************************************
3826 *
3827 * WM_COPY
3828 *
3829 */
3830 static void EDIT_WM_Copy(HWND hwnd, EDITSTATE *es)
3831 {
3832 INT s = es->selection_start;
3833 INT e = es->selection_end;
3834 HGLOBAL hdst;
3835 LPWSTR dst;
3836
3837 if (e == s)
3838 return;
3839 ORDER_INT(s, e);
3840 hdst = GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE, (DWORD)(e - s + 1) * sizeof(WCHAR));
3841 dst = GlobalLock(hdst);
3842 strncpyW(dst, es->text + s, e - s);
3843 dst[e - s] = 0; /* ensure 0 termination */
3844 TRACE("%s\n", debugstr_w(dst));
3845 GlobalUnlock(hdst);
3846 OpenClipboard(hwnd);
3847 EmptyClipboard();
3848 SetClipboardData(CF_UNICODETEXT, hdst);
3849 CloseClipboard();
3850 }
3851
3852
3853 /*********************************************************************
3854 *
3855 * WM_CREATE
3856 *
3857 */
3858 static LRESULT EDIT_WM_Create(HWND hwnd, EDITSTATE *es, LPCWSTR name)
3859 {
3860 TRACE("%s\n", debugstr_w(name));
3861 /*
3862 * To initialize some final structure members, we call some helper
3863 * functions. However, since the EDITSTATE is not consistent (i.e.
3864 * not fully initialized), we should be very careful which
3865 * functions can be called, and in what order.
3866 */
3867 EDIT_WM_SetFont(hwnd, es, 0, FALSE);
3868 EDIT_EM_EmptyUndoBuffer(es);
3869
3870 if (name && *name) {
3871 EDIT_EM_ReplaceSel(hwnd, es, FALSE, name, FALSE);
3872 /* if we insert text to the editline, the text scrolls out
3873 * of the window, as the caret is placed after the insert
3874 * pos normally; thus we reset es->selection... to 0 and
3875 * update caret
3876 */
3877 es->selection_start = es->selection_end = 0;
3878 /* Adobe Photoshop does NOT like this. and MSDN says that EN_CHANGE
3879 * Messages are only to be sent when the USER does something to
3880 * change the contents. So I am removing this EN_CHANGE
3881 *
3882 * EDIT_NOTIFY_PARENT(hwnd, es, EN_CHANGE, "EN_CHANGE");
3883 */
3884 EDIT_EM_ScrollCaret(hwnd, es);
3885 }
3886 /* force scroll info update */
3887 EDIT_UpdateScrollInfo(hwnd, es);
3888 return 0;
3889 }
3890
3891
3892 /*********************************************************************
3893 *
3894 * WM_DESTROY
3895 *
3896 */
3897 static void EDIT_WM_Destroy(HWND hwnd, EDITSTATE *es)
3898 {
3899 HINSTANCE hInstance = GetWindowLongA( hwnd, GWL_HINSTANCE );
3900 LINEDEF *pc, *pp;
3901
3902 if (es->hloc32W) {
3903 while (LocalUnlock(es->hloc32W)) ;
3904 LocalFree(es->hloc32W);
3905 }
3906 if (es->hloc32A) {
3907 while (LocalUnlock(es->hloc32A)) ;
3908 LocalFree(es->hloc32A);
3909 }
3910 if (es->hloc16) {
3911 while (LOCAL_Unlock(hInstance, es->hloc16)) ;
3912 LOCAL_Free(hInstance, es->hloc16);
3913 }
3914
3915 pc = es->first_line_def;
3916 while (pc)
3917 {
3918 pp = pc->next;
3919 HeapFree(GetProcessHeap(), 0, pc);
3920 pc = pp;
3921 }
3922
3923 SetWindowLongA( hwnd, 0, 0 );
3924 HeapFree(GetProcessHeap(), 0, es);
3925 }
3926
3927
3928 /*********************************************************************
3929 *
3930 * WM_ERASEBKGND
3931 *
3932 */
3933 static LRESULT EDIT_WM_EraseBkGnd(HWND hwnd, EDITSTATE *es, HDC dc)
3934 {
3935 HBRUSH brush;
3936 RECT rc;
3937
3938 if ( get_app_version() >= 0x40000 &&(
3939 !es->bEnableState || (es->style & ES_READONLY)))
3940 brush = (HBRUSH)EDIT_SEND_CTLCOLORSTATIC(hwnd, dc);
3941 else
3942 brush = (HBRUSH)EDIT_SEND_CTLCOLOR(hwnd, dc);
3943
3944 if (!brush)
3945 brush = (HBRUSH)GetStockObject(WHITE_BRUSH);
3946
3947 GetClientRect(hwnd, &rc);
3948 IntersectClipRect(dc, rc.left, rc.top, rc.right, rc.bottom);
3949 GetClipBox(dc, &rc);
3950 /*
3951 * FIXME: specs say that we should UnrealizeObject() the brush,
3952 * but the specs of UnrealizeObject() say that we shouldn't
3953 * unrealize a stock object. The default brush that
3954 * DefWndProc() returns is ... a stock object.
3955 */
3956 FillRect(dc, &rc, brush);
3957 return -1;
3958 }
3959
3960
3961 /*********************************************************************
3962 *
3963 * WM_GETTEXT
3964 *
3965 */
3966 static INT EDIT_WM_GetText(EDITSTATE *es, INT count, LPARAM lParam, BOOL unicode)
3967 {
3968 if(!count) return 0;
3969
3970 if(unicode)
3971 {
3972 LPWSTR textW = (LPWSTR)lParam;
3973 lstrcpynW(textW, es->text, count);
3974 return strlenW(textW);
3975 }
3976 else
3977 {
3978 LPSTR textA = (LPSTR)lParam;
3979 if (!WideCharToMultiByte(CP_ACP, 0, es->text, -1, textA, count, NULL, NULL))
3980 textA[count - 1] = 0; /* ensure 0 termination */
3981 return strlen(textA);
3982 }
3983 }
3984
3985 /*********************************************************************
3986 *
3987 * WM_HSCROLL
3988 *
3989 */
3990 static LRESULT EDIT_WM_HScroll(HWND hwnd, EDITSTATE *es, INT action, INT pos)
3991 {
3992 INT dx;
3993 INT fw;
3994
3995 if (!(es->style & ES_MULTILINE))
3996 return 0;
3997
3998 if (!(es->style & ES_AUTOHSCROLL))
3999 return 0;
4000
4001 dx = 0;
4002 fw = es->format_rect.right - es->format_rect.left;
4003 switch (action) {
4004 case SB_LINELEFT:
4005 TRACE("SB_LINELEFT\n");
4006 if (es->x_offset)
4007 dx = -es->char_width;
4008 break;
4009 case SB_LINERIGHT:
4010 TRACE("SB_LINERIGHT\n");
4011 if (es->x_offset < es->text_width)
4012 dx = es->char_width;
4013 break;
4014 case SB_PAGELEFT:
4015 TRACE("SB_PAGELEFT\n");
4016 if (es->x_offset)
4017 dx = -fw / HSCROLL_FRACTION / es->char_width * es->char_width;
4018 break;
4019 case SB_PAGERIGHT:
4020 TRACE("SB_PAGERIGHT\n");
4021 if (es->x_offset < es->text_width)
4022 dx = fw / HSCROLL_FRACTION / es->char_width * es->char_width;
4023 break;
4024 case SB_LEFT:
4025 TRACE("SB_LEFT\n");
4026 if (es->x_offset)
4027 dx = -es->x_offset;
4028 break;
4029 case SB_RIGHT:
4030 TRACE("SB_RIGHT\n");
4031 if (es->x_offset < es->text_width)
4032 dx = es->text_width - es->x_offset;
4033 break;
4034 case SB_THUMBTRACK:
4035 TRACE("SB_THUMBTRACK %d\n", pos);
4036 es->flags |= EF_HSCROLL_TRACK;
4037 if(es->style & WS_HSCROLL)
4038 dx = pos - es->x_offset;
4039 else
4040 {
4041 INT fw, new_x;
4042 /* Sanity check */
4043 if(pos < 0 || pos > 100) return 0;
4044 /* Assume default scroll range 0-100 */
4045 fw = es->format_rect.right - es->format_rect.left;
4046 new_x = pos * (es->text_width - fw) / 100;
4047 dx = es->text_width ? (new_x - es->x_offset) : 0;
4048 }
4049 break;
4050 case SB_THUMBPOSITION:
4051 TRACE("SB_THUMBPOSITION %d\n", pos);
4052 es->flags &= ~EF_HSCROLL_TRACK;
4053 if(GetWindowLongA( hwnd, GWL_STYLE ) & WS_HSCROLL)
4054 dx = pos - es->x_offset;
4055 else
4056 {
4057 INT fw, new_x;
4058 /* Sanity check */
4059 if(pos < 0 || pos > 100) return 0;
4060 /* Assume default scroll range 0-100 */
4061 fw = es->format_rect.right - es->format_rect.left;
4062 new_x = pos * (es->text_width - fw) / 100;
4063 dx = es->text_width ? (new_x - es->x_offset) : 0;
4064 }
4065 if (!dx) {
4066 /* force scroll info update */
4067 EDIT_UpdateScrollInfo(hwnd, es);
4068 EDIT_NOTIFY_PARENT(hwnd, es, EN_HSCROLL, "EN_HSCROLL");
4069 }
4070 break;
4071 case SB_ENDSCROLL:
4072 TRACE("SB_ENDSCROLL\n");
4073 break;
4074 /*
4075 * FIXME : the next two are undocumented !
4076 * Are we doing the right thing ?
4077 * At least Win 3.1 Notepad makes use of EM_GETTHUMB this way,
4078 * although it's also a regular control message.
4079 */
4080 case EM_GETTHUMB: /* this one is used by NT notepad */
4081 case EM_GETTHUMB16:
4082 {
4083 LRESULT ret;
4084 if(GetWindowLongA( hwnd, GWL_STYLE ) & WS_HSCROLL)
4085 ret = GetScrollPos(hwnd, SB_HORZ);
4086 else
4087 {
4088 /* Assume default scroll range 0-100 */
4089 INT fw = es->format_rect.right - es->format_rect.left;
4090 ret = es->text_width ? es->x_offset * 100 / (es->text_width - fw) : 0;
4091 }
4092 TRACE("EM_GETTHUMB: returning %ld\n", ret);
4093 return ret;
4094 }
4095 case EM_LINESCROLL16:
4096 TRACE("EM_LINESCROLL16\n");
4097 dx = pos;
4098 break;
4099
4100 default:
4101 ERR("undocumented WM_HSCROLL action %d (0x%04x), please report\n",
4102 action, action);
4103 return 0;
4104 }
4105 if (dx)
4106 {
4107 INT fw = es->format_rect.right - es->format_rect.left;
4108 /* check if we are going to move too far */
4109 if(es->x_offset + dx + fw > es->text_width)
4110 dx = es->text_width - fw - es->x_offset;
4111 if(dx)
4112 EDIT_EM_LineScroll_internal(hwnd, es, dx, 0);
4113 }
4114 return 0;
4115 }
4116
4117
4118 /*********************************************************************
4119 *
4120 * EDIT_CheckCombo
4121 *
4122 */
4123 static BOOL EDIT_CheckCombo(HWND hwnd, EDITSTATE *es, UINT msg, INT key)
4124 {
4125 HWND hLBox = es->hwndListBox;
4126 HWND hCombo;
4127 BOOL bDropped;
4128 int nEUI;
4129
4130 if (!hLBox)
4131 return FALSE;
4132
4133 hCombo = GetParent(hwnd);
4134 bDropped = TRUE;
4135 nEUI = 0;
4136
4137 TRACE_(combo)("[%04x]: handling msg %04x (%04x)\n",
4138 hwnd, (UINT16)msg, (UINT16)key);
4139
4140 if (key == VK_UP || key == VK_DOWN)
4141 {
4142 if (SendMessageW(hCombo, CB_GETEXTENDEDUI, 0, 0))
4143 nEUI = 1;
4144
4145 if (msg == WM_KEYDOWN || nEUI)
4146 bDropped = (BOOL)SendMessageW(hCombo, CB_GETDROPPEDSTATE, 0, 0);
4147 }
4148
4149 switch (msg)
4150 {
4151 case WM_KEYDOWN:
4152 if (!bDropped && nEUI && (key == VK_UP || key == VK_DOWN))
4153 {
4154 /* make sure ComboLBox pops up */
4155 SendMessageW(hCombo, CB_SETEXTENDEDUI, FALSE, 0);
4156 key = VK_F4;
4157 nEUI = 2;
4158 }
4159
4160 SendMessageW(hLBox, WM_KEYDOWN, (WPARAM)key, 0);
4161 break;
4162
4163 case WM_SYSKEYDOWN: /* Handle Alt+up/down arrows */
4164 if (nEUI)
4165 SendMessageW(hCombo, CB_SHOWDROPDOWN, bDropped ? FALSE : TRUE, 0);
4166 else
4167 SendMessageW(hLBox, WM_KEYDOWN, (WPARAM)VK_F4, 0);
4168 break;
4169 }
4170
4171 if(nEUI == 2)
4172 SendMessageW(hCombo, CB_SETEXTENDEDUI, TRUE, 0);
4173
4174 return TRUE;
4175 }
4176
4177
4178 /*********************************************************************
4179 *
4180 * WM_KEYDOWN
4181 *
4182 * Handling of special keys that don't produce a WM_CHAR
4183 * (i.e. non-printable keys) & Backspace & Delete
4184 *
4185 */
4186 static LRESULT EDIT_WM_KeyDown(HWND hwnd, EDITSTATE *es, INT key)
4187 {
4188 BOOL shift;
4189 BOOL control;
4190
4191 if (GetKeyState(VK_MENU) & 0x8000)
4192 return 0;
4193
4194 shift = GetKeyState(VK_SHIFT) & 0x8000;
4195 control = GetKeyState(VK_CONTROL) & 0x8000;
4196
4197 switch (key) {
4198 case VK_F4:
4199 case VK_UP:
4200 if (EDIT_CheckCombo(hwnd, es, WM_KEYDOWN, key) || key == VK_F4)
4201 break;
4202
4203 /* fall through */
4204 case VK_LEFT:
4205 if ((es->style & ES_MULTILINE) && (key == VK_UP))
4206 EDIT_MoveUp_ML(hwnd, es, shift);
4207 else
4208 if (control)
4209 EDIT_MoveWordBackward(hwnd, es, shift);
4210 else
4211 EDIT_MoveBackward(hwnd, es, shift);
4212 break;
4213 case VK_DOWN:
4214 if (EDIT_CheckCombo(hwnd, es, WM_KEYDOWN, key))
4215 break;
4216 /* fall through */
4217 case VK_RIGHT:
4218 if ((es->style & ES_MULTILINE) && (key == VK_DOWN))
4219 EDIT_MoveDown_ML(hwnd, es, shift);
4220 else if (control)
4221 EDIT_MoveWordForward(hwnd, es, shift);
4222 else
4223 EDIT_MoveForward(hwnd, es, shift);
4224 break;
4225 case VK_HOME:
4226 EDIT_MoveHome(hwnd, es, shift);
4227 break;
4228 case VK_END:
4229 EDIT_MoveEnd(hwnd, es, shift);
4230 break;
4231 case VK_PRIOR:
4232 if (es->style & ES_MULTILINE)
4233 EDIT_MovePageUp_ML(hwnd, es, shift);
4234 else
4235 EDIT_CheckCombo(hwnd, es, WM_KEYDOWN, key);
4236 break;
4237 case VK_NEXT:
4238 if (es->style & ES_MULTILINE)
4239 EDIT_MovePageDown_ML(hwnd, es, shift);
4240 else
4241 EDIT_CheckCombo(hwnd, es, WM_KEYDOWN, key);
4242 break;
4243 case VK_DELETE:
4244 if (!(es->style & ES_READONLY) && !(shift && control)) {
4245 if (es->selection_start != es->selection_end) {
4246 if (shift)
4247 EDIT_WM_Cut(hwnd, es);
4248 else
4249 EDIT_WM_Clear(hwnd, es);
4250 } else {
4251 if (shift) {
4252 /* delete character left of caret */
4253 EDIT_EM_SetSel(hwnd, es, (UINT)-1, 0, FALSE);
4254 EDIT_MoveBackward(hwnd, es, TRUE);
4255 EDIT_WM_Clear(hwnd, es);
4256 } else if (control) {
4257 /* delete to end of line */
4258 EDIT_EM_SetSel(hwnd, es, (UINT)-1, 0, FALSE);
4259 EDIT_MoveEnd(hwnd, es, TRUE);
4260 EDIT_WM_Clear(hwnd, es);
4261 } else {
4262 /* delete character right of caret */
4263 EDIT_EM_SetSel(hwnd, es, (UINT)-1, 0, FALSE);
4264 EDIT_MoveForward(hwnd, es, TRUE);
4265 EDIT_WM_Clear(hwnd, es);
4266 }
4267 }
4268 }
4269 break;
4270 case VK_INSERT:
4271 if (shift) {
4272 if (!(es->style & ES_READONLY))
4273 EDIT_WM_Paste(hwnd, es);
4274 } else if (control)
4275 EDIT_WM_Copy(hwnd, es);
4276 break;
4277 case VK_RETURN:
4278 /* If the edit doesn't want the return send a message to the default object */
4279 if(!(es->style & ES_WANTRETURN))
4280 {
4281 HWND hwndParent = GetParent(hwnd);
4282 DWORD dw = SendMessageW( hwndParent, DM_GETDEFID, 0, 0 );
4283 if (HIWORD(dw) == DC_HASDEFID)
4284 {
4285 SendMessageW( hwndParent, WM_COMMAND,
4286 MAKEWPARAM( LOWORD(dw), BN_CLICKED ),
4287 (LPARAM)GetDlgItem( hwndParent, LOWORD(dw) ) );
4288 }
4289 }
4290 break;
4291 }
4292 return 0;
4293 }
4294
4295
4296 /*********************************************************************
4297 *
4298 * WM_KILLFOCUS
4299 *
4300 */
4301 static LRESULT EDIT_WM_KillFocus(HWND hwnd, EDITSTATE *es)
4302 {
4303 es->flags &= ~EF_FOCUSED;
4304 DestroyCaret();
4305 if(!(es->style & ES_NOHIDESEL))
4306 EDIT_InvalidateText(hwnd, es, es->selection_start, es->selection_end);
4307 EDIT_NOTIFY_PARENT(hwnd, es, EN_KILLFOCUS, "EN_KILLFOCUS");
4308 return 0;
4309 }
4310
4311
4312 /*********************************************************************
4313 *
4314 * WM_LBUTTONDBLCLK
4315 *
4316 * The caret position has been set on the WM_LBUTTONDOWN message
4317 *
4318 */
4319 static LRESULT EDIT_WM_LButtonDblClk(HWND hwnd, EDITSTATE *es)
4320 {
4321 INT s;
4322 INT e = es->selection_end;
4323 INT l;
4324 INT li;
4325 INT ll;
4326
4327 if (!(es->flags & EF_FOCUSED))
4328 return 0;
4329
4330 l = EDIT_EM_LineFromChar(es, e);
4331 li = EDIT_EM_LineIndex(es, l);
4332 ll = EDIT_EM_LineLength(es, e);
4333 s = li + EDIT_CallWordBreakProc(es, li, e - li, ll, WB_LEFT);
4334 e = li + EDIT_CallWordBreakProc(es, li, e - li, ll, WB_RIGHT);
4335 EDIT_EM_SetSel(hwnd, es, s, e, FALSE);
4336 EDIT_EM_ScrollCaret(hwnd, es);
4337 return 0;
4338 }
4339
4340
4341 /*********************************************************************
4342 *
4343 * WM_LBUTTONDOWN
4344 *
4345 */
4346 static LRESULT EDIT_WM_LButtonDown(HWND hwnd, EDITSTATE *es, DWORD keys, INT x, INT y)
4347 {
4348 INT e;
4349 BOOL after_wrap;
4350
4351 if (!(es->flags & EF_FOCUSED))
4352 return 0;
4353
4354 es->bCaptureState = TRUE;
4355 SetCapture(hwnd);
4356 EDIT_ConfinePoint(es, &x, &y);
4357 e = EDIT_CharFromPos(hwnd, es, x, y, &after_wrap);
4358 EDIT_EM_SetSel(hwnd, es, (keys & MK_SHIFT) ? es->selection_start : e, e, after_wrap);
4359 EDIT_EM_ScrollCaret(hwnd, es);
4360 es->region_posx = es->region_posy = 0;
4361 SetTimer(hwnd, 0, 100, NULL);
4362 return 0;
4363 }
4364
4365
4366 /*********************************************************************
4367 *
4368 * WM_LBUTTONUP
4369 *
4370 */
4371 static LRESULT EDIT_WM_LButtonUp(HWND hwndSelf, EDITSTATE *es)
4372 {
4373 if (es->bCaptureState && GetCapture() == hwndSelf) {
4374 KillTimer(hwndSelf, 0);
4375 ReleaseCapture();
4376 }
4377 es->bCaptureState = FALSE;
4378 return 0;
4379 }
4380
4381
4382 /*********************************************************************
4383 *
4384 * WM_MBUTTONDOWN
4385 *
4386 */
4387 static LRESULT EDIT_WM_MButtonDown(HWND hwnd)
4388 {
4389 SendMessageW(hwnd,WM_PASTE,0,0);
4390 return 0;
4391 }
4392
4393
4394 /*********************************************************************
4395 *
4396 * WM_MOUSEMOVE
4397 *
4398 */
4399 static LRESULT EDIT_WM_MouseMove(HWND hwnd, EDITSTATE *es, INT x, INT y)
4400 {
4401 INT e;
4402 BOOL after_wrap;
4403 INT prex, prey;
4404
4405 if (GetCapture() != hwnd)
4406 return 0;
4407
4408 /*
4409 * FIXME: gotta do some scrolling if outside client
4410 * area. Maybe reset the timer ?
4411 */
4412 prex = x; prey = y;
4413 EDIT_ConfinePoint(es, &x, &y);
4414 es->region_posx = (prex < x) ? -1 : ((prex > x) ? 1 : 0);
4415 es->region_posy = (prey < y) ? -1 : ((prey > y) ? 1 : 0);
4416 e = EDIT_CharFromPos(hwnd, es, x, y, &after_wrap);
4417 EDIT_EM_SetSel(hwnd, es, es->selection_start, e, after_wrap);
4418 EDIT_SetCaretPos(hwnd,es,es->selection_end,es->flags & EF_AFTER_WRAP);
4419 return 0;
4420 }
4421
4422
4423 /*********************************************************************
4424 *
4425 * WM_NCCREATE
4426 *
4427 * See also EDIT_WM_StyleChanged
4428 */
4429 static LRESULT EDIT_WM_NCCreate(HWND hwnd, DWORD style, HWND hwndParent, BOOL unicode)
4430 {
4431 EDITSTATE *es;
4432 UINT alloc_size;
4433
4434 TRACE("Creating %s edit control, style = %08lx\n",
4435 unicode ? "Unicode" : "ANSI", style);
4436
4437 if (!(es = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*es))))
4438 return FALSE;
4439 SetWindowLongA( hwnd, 0, (LONG)es );
4440
4441 /*
4442 * Note: since the EDITSTATE has not been fully initialized yet,
4443 * we can't use any API calls that may send
4444 * WM_XXX messages before WM_NCCREATE is completed.
4445 */
4446
4447 es->is_unicode = unicode;
4448 es->style = style;
4449
4450 es->bEnableState = !(style & WS_DISABLED);
4451
4452 /* Save parent, which will be notified by EN_* messages */
4453 es->hwndParent = hwndParent;
4454
4455 if (es->style & ES_COMBO)
4456 es->hwndListBox = GetDlgItem(hwndParent, ID_CB_LISTBOX);
4457
4458 /* Number overrides lowercase overrides uppercase (at least it
4459 * does in Win95). However I'll bet that ES_NUMBER would be
4460 * invalid under Win 3.1.
4461 */
4462 if (es->style & ES_NUMBER) {
4463 ; /* do not override the ES_NUMBER */
4464 } else if (es->style & ES_LOWERCASE) {
4465 es->style &= ~ES_UPPERCASE;
4466 }
4467 if (es->style & ES_MULTILINE) {
4468 es->buffer_limit = BUFLIMIT_MULTI;
4469 if (es->style & WS_VSCROLL)
4470 es->style |= ES_AUTOVSCROLL;
4471 if (es->style & WS_HSCROLL)
4472 es->style |= ES_AUTOHSCROLL;
4473 es->style &= ~ES_PASSWORD;
4474 if ((es->style & ES_CENTER) || (es->style & ES_RIGHT)) {
4475 /* Confirmed - RIGHT overrides CENTER */
4476 if (es->style & ES_RIGHT)
4477 es->style &= ~ES_CENTER;
4478 es->style &= ~WS_HSCROLL;
4479 es->style &= ~ES_AUTOHSCROLL;
4480 }
4481
4482 /* FIXME: for now, all multi line controls are AUTOVSCROLL */
4483 es->style |= ES_AUTOVSCROLL;
4484 } else {
4485 es->buffer_limit = BUFLIMIT_SINGLE;
4486 if (WIN31_LOOK == TWEAK_WineLook ||
4487 WIN95_LOOK == TWEAK_WineLook) {
4488 es->style &= ~ES_CENTER;
4489 es->style &= ~ES_RIGHT;
4490 } else {
4491 if (es->style & ES_RIGHT)
4492 es->style &= ~ES_CENTER;
4493 }
4494 es->style &= ~WS_HSCROLL;
4495 es->style &= ~WS_VSCROLL;
4496 es->style &= ~ES_AUTOVSCROLL;
4497 es->style &= ~ES_WANTRETURN;
4498 if (es->style & ES_PASSWORD)
4499 es->password_char = '*';
4500
4501 /* FIXME: for now, all single line controls are AUTOHSCROLL */
4502 es->style |= ES_AUTOHSCROLL;
4503 }
4504
4505 alloc_size = ROUND_TO_GROW((es->buffer_size + 1) * sizeof(WCHAR));
4506 if(!(es->hloc32W = LocalAlloc(LMEM_MOVEABLE | LMEM_ZEROINIT, alloc_size)))
4507 return FALSE;
4508 es->buffer_size = LocalSize(es->hloc32W)/sizeof(WCHAR) - 1;
4509
4510 if (!(es->undo_text = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, (es->buffer_size + 1) * sizeof(WCHAR))))
4511 return FALSE;
4512 es->undo_buffer_size = es->buffer_size;
4513
4514 if (es->style & ES_MULTILINE)
4515 if (!(es->first_line_def = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(LINEDEF))))
4516 return FALSE;
4517 es->line_count = 1;
4518
4519 /*
4520 * In Win95 look and feel, the WS_BORDER style is replaced by the
4521 * WS_EX_CLIENTEDGE style for the edit control. This gives the edit
4522 * control a non client area. Not always. This coordinates in some
4523 * way with the window creation code in dialog.c When making
4524 * modifications please ensure that the code still works for edit
4525 * controls created directly with style 0x50800000, exStyle 0 (
4526 * which should have a single pixel border)
4527 */
4528 if (TWEAK_WineLook != WIN31_LOOK)
4529 {
4530 es->style &= ~WS_BORDER;
4531 }
4532 else
4533 {
4534 if ((es->style & WS_BORDER) && !(es->style & WS_DLGFRAME))
4535 SetWindowLongA( hwnd, GWL_STYLE,
4536 GetWindowLongA( hwnd, GWL_STYLE ) & ~WS_BORDER );
4537 }
4538
4539 return TRUE;
4540 }
4541
4542 /*********************************************************************
4543 *
4544 * WM_PAINT
4545 *
4546 */
4547 static void EDIT_WM_Paint(HWND hwnd, EDITSTATE *es, WPARAM wParam)
4548 {
4549 PAINTSTRUCT ps;
4550 INT i;
4551 HDC dc;
4552 HFONT old_font = 0;
4553 RECT rc;
4554 RECT rcLine;
4555 RECT rcRgn;
4556 BOOL rev = es->bEnableState &&
4557 ((es->flags & EF_FOCUSED) ||
4558 (es->style & ES_NOHIDESEL));
4559 if (!wParam)
4560 dc = BeginPaint(hwnd, &ps);
4561 else
4562 dc = (HDC) wParam;
4563 if(es->style & WS_BORDER) {
4564 GetClientRect(hwnd, &rc);
4565 if(es->style & ES_MULTILINE) {
4566 if(es->style & WS_HSCROLL) rc.bottom++;
4567 if(es->style & WS_VSCROLL) rc.right++;
4568 }
4569 Rectangle(dc, rc.left, rc.top, rc.right, rc.bottom);
4570 }
4571 IntersectClipRect(dc, es->format_rect.left,
4572 es->format_rect.top,
4573 es->format_rect.right,
4574 es->format_rect.bottom);
4575 if (es->style & ES_MULTILINE) {
4576 GetClientRect(hwnd, &rc);
4577 IntersectClipRect(dc, rc.left, rc.top, rc.right, rc.bottom);
4578 }
4579 if (es->font)
4580 old_font = SelectObject(dc, es->font);
4581 if ( get_app_version() >= 0x40000 &&(
4582 !es->bEnableState || (es->style & ES_READONLY)))
4583 EDIT_SEND_CTLCOLORSTATIC(hwnd, dc);
4584 else
4585 EDIT_SEND_CTLCOLOR(hwnd, dc);
4586
4587 if (!es->bEnableState)
4588 SetTextColor(dc, GetSysColor(COLOR_GRAYTEXT));
4589 GetClipBox(dc, &rcRgn);
4590 if (es->style & ES_MULTILINE) {
4591 INT vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
4592 for (i = es->y_offset ; i <= min(es->y_offset + vlc, es->y_offset + es->line_count - 1) ; i++) {
4593 EDIT_GetLineRect(hwnd, es, i, 0, -1, &rcLine);
4594 if (IntersectRect(&rc, &rcRgn, &rcLine))
4595 EDIT_PaintLine(hwnd, es, dc, i, rev);
4596 }
4597 } else {
4598 EDIT_GetLineRect(hwnd, es, 0, 0, -1, &rcLine);
4599 if (IntersectRect(&rc, &rcRgn, &rcLine))
4600 EDIT_PaintLine(hwnd, es, dc, 0, rev);
4601 }
4602 if (es->font)
4603 SelectObject(dc, old_font);
4604
4605 if (!wParam)
4606 EndPaint(hwnd, &ps);
4607 }
4608
4609
4610 /*********************************************************************
4611 *
4612 * WM_PASTE
4613 *
4614 */
4615 static void EDIT_WM_Paste(HWND hwnd, EDITSTATE *es)
4616 {
4617 HGLOBAL hsrc;
4618 LPWSTR src;
4619
4620 /* Protect read-only edit control from modification */
4621 if(es->style & ES_READONLY)
4622 return;
4623
4624 OpenClipboard(hwnd);
4625 if ((hsrc = GetClipboardData(CF_UNICODETEXT))) {
4626 src = (LPWSTR)GlobalLock(hsrc);
4627 EDIT_EM_ReplaceSel(hwnd, es, TRUE, src, TRUE);
4628 GlobalUnlock(hsrc);
4629 }
4630 CloseClipboard();
4631 }
4632
4633
4634 /*********************************************************************
4635 *
4636 * WM_SETFOCUS
4637 *
4638 */
4639 static void EDIT_WM_SetFocus(HWND hwnd, EDITSTATE *es)
4640 {
4641 es->flags |= EF_FOCUSED;
4642 CreateCaret(hwnd, 0, 2, es->line_height);
4643 EDIT_SetCaretPos(hwnd, es, es->selection_end,
4644 es->flags & EF_AFTER_WRAP);
4645 if(!(es->style & ES_NOHIDESEL))
4646 EDIT_InvalidateText(hwnd, es, es->selection_start, es->selection_end);
4647 ShowCaret(hwnd);
4648 EDIT_NOTIFY_PARENT(hwnd, es, EN_SETFOCUS, "EN_SETFOCUS");
4649 }
4650
4651
4652 /*********************************************************************
4653 *
4654 * WM_SETFONT
4655 *
4656 * With Win95 look the margins are set to default font value unless
4657 * the system font (font == 0) is being set, in which case they are left
4658 * unchanged.
4659 *
4660 */
4661 static void EDIT_WM_SetFont(HWND hwnd, EDITSTATE *es, HFONT font, BOOL redraw)
4662 {
4663 TEXTMETRICW tm;
4664 HDC dc;
4665 HFONT old_font = 0;
4666 RECT r;
4667
4668 es->font = font;
4669 dc = GetDC(hwnd);
4670 if (font)
4671 old_font = SelectObject(dc, font);
4672 GetTextMetricsW(dc, &tm);
4673 es->line_height = tm.tmHeight;
4674 es->char_width = tm.tmAveCharWidth;
4675 if (font)
4676 SelectObject(dc, old_font);
4677 ReleaseDC(hwnd, dc);
4678 if (font && (TWEAK_WineLook > WIN31_LOOK))
4679 EDIT_EM_SetMargins(es, EC_LEFTMARGIN | EC_RIGHTMARGIN,
4680 EC_USEFONTINFO, EC_USEFONTINFO);
4681
4682 /* Force the recalculation of the format rect for each font change */
4683 GetClientRect(hwnd, &r);
4684 EDIT_SetRectNP(hwnd, es, &r);
4685
4686 if (es->style & ES_MULTILINE)
4687 EDIT_BuildLineDefs_ML(hwnd, es, 0, strlenW(es->text), 0, (HRGN)0);
4688 else
4689 EDIT_CalcLineWidth_SL(hwnd, es);
4690
4691 if (redraw)
4692 EDIT_UpdateText(hwnd, es, NULL, TRUE);
4693 if (es->flags & EF_FOCUSED) {
4694 DestroyCaret();
4695 CreateCaret(hwnd, 0, 2, es->line_height);
4696 EDIT_SetCaretPos(hwnd, es, es->selection_end,
4697 es->flags & EF_AFTER_WRAP);
4698 ShowCaret(hwnd);
4699 }
4700 }
4701
4702
4703 /*********************************************************************
4704 *
4705 * WM_SETTEXT
4706 *
4707 * NOTES
4708 * For multiline controls (ES_MULTILINE), reception of WM_SETTEXT triggers:
4709 * The modified flag is reset. No notifications are sent.
4710 *
4711 * For single-line controls, reception of WM_SETTEXT triggers:
4712 * The modified flag is reset. EN_UPDATE and EN_CHANGE notifications are sent.
4713 *
4714 */
4715 static void EDIT_WM_SetText(HWND hwnd, EDITSTATE *es, LPARAM lParam, BOOL unicode)
4716 {
4717 LPWSTR text = NULL;
4718
4719 if(unicode)
4720 text = (LPWSTR)lParam;
4721 else if (lParam)
4722 {
4723 LPCSTR textA = (LPCSTR)lParam;
4724 INT countW = MultiByteToWideChar(CP_ACP, 0, textA, -1, NULL, 0);
4725 if((text = HeapAlloc(GetProcessHeap(), 0, countW * sizeof(WCHAR))))
4726 MultiByteToWideChar(CP_ACP, 0, textA, -1, text, countW);
4727 }
4728
4729 EDIT_EM_SetSel(hwnd, es, 0, (UINT)-1, FALSE);
4730 if (text) {
4731 TRACE("%s\n", debugstr_w(text));
4732 EDIT_EM_ReplaceSel(hwnd, es, FALSE, text, FALSE);
4733 if(!unicode)
4734 HeapFree(GetProcessHeap(), 0, text);
4735 } else {
4736 static const WCHAR empty_stringW[] = {0};
4737 TRACE("<NULL>\n");
4738 EDIT_EM_ReplaceSel(hwnd, es, FALSE, empty_stringW, FALSE);
4739 }
4740 es->x_offset = 0;
4741 es->flags &= ~EF_MODIFIED;
4742 EDIT_EM_SetSel(hwnd, es, 0, 0, FALSE);
4743 /* Send the notification after the selection start and end have been set
4744 * edit control doesn't send notification on WM_SETTEXT
4745 * if it is multiline, or it is part of combobox
4746 */
4747 if( !((es->style & ES_MULTILINE) || es->hwndListBox))
4748 {
4749 EDIT_NOTIFY_PARENT(hwnd, es, EN_CHANGE, "EN_CHANGE");
4750 EDIT_NOTIFY_PARENT(hwnd, es, EN_UPDATE, "EN_UPDATE");
4751 }
4752 EDIT_EM_ScrollCaret(hwnd, es);
4753 }
4754
4755
4756 /*********************************************************************
4757 *
4758 * WM_SIZE
4759 *
4760 */
4761 static void EDIT_WM_Size(HWND hwnd, EDITSTATE *es, UINT action, INT width, INT height)
4762 {
4763 if ((action == SIZE_MAXIMIZED) || (action == SIZE_RESTORED)) {
4764 RECT rc;
4765 TRACE("width = %d, height = %d\n", width, height);
4766 SetRect(&rc, 0, 0, width, height);
4767 EDIT_SetRectNP(hwnd, es, &rc);
4768 EDIT_UpdateText(hwnd, es, NULL, TRUE);
4769 }
4770 }
4771
4772
4773 /*********************************************************************
4774 *
4775 * WM_STYLECHANGED
4776 *
4777 * This message is sent by SetWindowLong on having changed either the Style
4778 * or the extended style.
4779 *
4780 * We ensure that the window's version of the styles and the EDITSTATE's agree.
4781 *
4782 * See also EDIT_WM_NCCreate
4783 *
4784 * It appears that the Windows version of the edit control allows the style
4785 * (as retrieved by GetWindowLong) to be any value and maintains an internal
4786 * style variable which will generally be different. In this function we
4787 * update the internal style based on what changed in the externally visible
4788 * style.
4789 *
4790 * Much of this content as based upon the MSDN, especially:
4791 * Platform SDK Documentation -> User Interface Services ->
4792 * Windows User Interface -> Edit Controls -> Edit Control Reference ->
4793 * Edit Control Styles
4794 */
4795 static LRESULT EDIT_WM_StyleChanged (HWND hwnd,
4796 EDITSTATE *es,
4797 WPARAM which,
4798 const STYLESTRUCT *style)
4799 {
4800 if (GWL_STYLE == which) {
4801 DWORD style_change_mask;
4802 DWORD new_style;
4803 /* Only a subset of changes can be applied after the control
4804 * has been created.
4805 */
4806 style_change_mask = ES_UPPERCASE | ES_LOWERCASE |
4807 ES_NUMBER;
4808 if (es->style & ES_MULTILINE)
4809 style_change_mask |= ES_WANTRETURN;
4810
4811 new_style = style->styleNew & style_change_mask;
4812
4813 /* Number overrides lowercase overrides uppercase (at least it
4814 * does in Win95). However I'll bet that ES_NUMBER would be
4815 * invalid under Win 3.1.
4816 */
4817 if (new_style & ES_NUMBER) {
4818 ; /* do not override the ES_NUMBER */
4819 } else if (new_style & ES_LOWERCASE) {
4820 new_style &= ~ES_UPPERCASE;
4821 }
4822
4823 es->style = (es->style & ~style_change_mask) | new_style;
4824 } else if (GWL_EXSTYLE == which) {
4825 ; /* FIXME - what is needed here */
4826 } else {
4827 WARN ("Invalid style change %d\n",which);
4828 }
4829
4830 return 0;
4831 }
4832
4833 /*********************************************************************
4834 *
4835 * WM_SYSKEYDOWN
4836 *
4837 */
4838 static LRESULT EDIT_WM_SysKeyDown(HWND hwnd, EDITSTATE *es, INT key, DWORD key_data)
4839 {
4840 if ((key == VK_BACK) && (key_data & 0x2000)) {
4841 if (EDIT_EM_CanUndo(es))
4842 EDIT_EM_Undo(hwnd, es);
4843 return 0;
4844 } else if (key == VK_UP || key == VK_DOWN) {
4845 if (EDIT_CheckCombo(hwnd, es, WM_SYSKEYDOWN, key))
4846 return 0;
4847 }
4848 return DefWindowProcW(hwnd, WM_SYSKEYDOWN, (WPARAM)key, (LPARAM)key_data);
4849 }
4850
4851
4852 /*********************************************************************
4853 *
4854 * WM_TIMER
4855 *
4856 */
4857 static void EDIT_WM_Timer(HWND hwnd, EDITSTATE *es)
4858 {
4859 if (es->region_posx < 0) {
4860 EDIT_MoveBackward(hwnd, es, TRUE);
4861 } else if (es->region_posx > 0) {
4862 EDIT_MoveForward(hwnd, es, TRUE);
4863 }
4864 /*
4865 * FIXME: gotta do some vertical scrolling here, like
4866 * EDIT_EM_LineScroll(hwnd, 0, 1);
4867 */
4868 }
4869
4870 /*********************************************************************
4871 *
4872 * WM_VSCROLL
4873 *
4874 */
4875 static LRESULT EDIT_WM_VScroll(HWND hwnd, EDITSTATE *es, INT action, INT pos)
4876 {
4877 INT dy;
4878
4879 if (!(es->style & ES_MULTILINE))
4880 return 0;
4881
4882 if (!(es->style & ES_AUTOVSCROLL))
4883 return 0;
4884
4885 dy = 0;
4886 switch (action) {
4887 case SB_LINEUP:
4888 case SB_LINEDOWN:
4889 case SB_PAGEUP:
4890 case SB_PAGEDOWN:
4891 TRACE("action %d\n", action);
4892 EDIT_EM_Scroll(hwnd, es, action);
4893 return 0;
4894 case SB_TOP:
4895 TRACE("SB_TOP\n");
4896 dy = -es->y_offset;
4897 break;
4898 case SB_BOTTOM:
4899 TRACE("SB_BOTTOM\n");
4900 dy = es->line_count - 1 - es->y_offset;
4901 break;
4902 case SB_THUMBTRACK:
4903 TRACE("SB_THUMBTRACK %d\n", pos);
4904 es->flags |= EF_VSCROLL_TRACK;
4905 if(es->style & WS_VSCROLL)
4906 dy = pos - es->y_offset;
4907 else
4908 {
4909 /* Assume default scroll range 0-100 */
4910 INT vlc, new_y;
4911 /* Sanity check */
4912 if(pos < 0 || pos > 100) return 0;
4913 vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
4914 new_y = pos * (es->line_count - vlc) / 100;
4915 dy = es->line_count ? (new_y - es->y_offset) : 0;
4916 TRACE("line_count=%d, y_offset=%d, pos=%d, dy = %d\n",
4917 es->line_count, es->y_offset, pos, dy);
4918 }
4919 break;
4920 case SB_THUMBPOSITION:
4921 TRACE("SB_THUMBPOSITION %d\n", pos);
4922 es->flags &= ~EF_VSCROLL_TRACK;
4923 if(es->style & WS_VSCROLL)
4924 dy = pos - es->y_offset;
4925 else
4926 {
4927 /* Assume default scroll range 0-100 */
4928 INT vlc, new_y;
4929 /* Sanity check */
4930 if(pos < 0 || pos > 100) return 0;
4931 vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
4932 new_y = pos * (es->line_count - vlc) / 100;
4933 dy = es->line_count ? (new_y - es->y_offset) : 0;
4934 TRACE("line_count=%d, y_offset=%d, pos=%d, dy = %d\n",
4935 es->line_count, es->y_offset, pos, dy);
4936 }
4937 if (!dy)
4938 {
4939 /* force scroll info update */
4940 EDIT_UpdateScrollInfo(hwnd, es);
4941 EDIT_NOTIFY_PARENT(hwnd, es, EN_VSCROLL, "EN_VSCROLL");
4942 }
4943 break;
4944 case SB_ENDSCROLL:
4945 TRACE("SB_ENDSCROLL\n");
4946 break;
4947 /*
4948 * FIXME : the next two are undocumented !
4949 * Are we doing the right thing ?
4950 * At least Win 3.1 Notepad makes use of EM_GETTHUMB this way,
4951 * although it's also a regular control message.
4952 */
4953 case EM_GETTHUMB: /* this one is used by NT notepad */
4954 case EM_GETTHUMB16:
4955 {
4956 LRESULT ret;
4957 if(GetWindowLongA( hwnd, GWL_STYLE ) & WS_VSCROLL)
4958 ret = GetScrollPos(hwnd, SB_VERT);
4959 else
4960 {
4961 /* Assume default scroll range 0-100 */
4962 INT vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
4963 ret = es->line_count ? es->y_offset * 100 / (es->line_count - vlc) : 0;
4964 }
4965 TRACE("EM_GETTHUMB: returning %ld\n", ret);
4966 return ret;
4967 }
4968 case EM_LINESCROLL16:
4969 TRACE("EM_LINESCROLL16 %d\n", pos);
4970 dy = pos;
4971 break;
4972
4973 default:
4974 ERR("undocumented WM_VSCROLL action %d (0x%04x), please report\n",
4975 action, action);
4976 return 0;
4977 }
4978 if (dy)
4979 EDIT_EM_LineScroll(hwnd, es, 0, dy);
4980 return 0;
4981 }
4982
4983 /*********************************************************************
4984 *
4985 * EDIT_UpdateText
4986 *
4987 */
4988 static void EDIT_UpdateTextRegion(HWND hwnd, EDITSTATE *es, HRGN hrgn, BOOL bErase)
4989 {
4990 if (es->flags & EF_UPDATE) EDIT_NOTIFY_PARENT(hwnd, es, EN_UPDATE, "EN_UPDATE");
4991 InvalidateRgn(hwnd, hrgn, bErase);
4992 }
4993
4994
4995 /*********************************************************************
4996 *
4997 * EDIT_UpdateText
4998 *
4999 */
5000 static void EDIT_UpdateText(HWND hwnd, EDITSTATE *es, LPRECT rc, BOOL bErase)
5001 {
5002 if (es->flags & EF_UPDATE) EDIT_NOTIFY_PARENT(hwnd, es, EN_UPDATE, "EN_UPDATE");
5003 InvalidateRect(hwnd, rc, bErase);
5004 }
GSOC 2012 project to enhance the control panel