?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Add MS Shell Dlg font to the set of default sans serif fonts.
[wine/hacks.git] / controls / edit.c
blobdb90796a63b8cbf5970cb866aeb1d6574bae24f9
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
10 /*
11 * please read EDIT.TODO (and update it when you change things)
12 */
13
14 #include "config.h"
15
16 #include <string.h>
17 #include <stdlib.h>
18
19 #include "winbase.h"
20 #include "winnt.h"
21 #include "win.h"
22 #include "wine/winbase16.h"
23 #include "wine/winuser16.h"
24 #include "wine/unicode.h"
25 #include "controls.h"
26 #include "local.h"
27 #include "user.h"
28 #include "debugtools.h"
29
30 DEFAULT_DEBUG_CHANNEL(edit);
31 DECLARE_DEBUG_CHANNEL(combo);
32 DECLARE_DEBUG_CHANNEL(relay);
33
34 #define BUFLIMIT_MULTI 65534 /* maximum buffer size (not including '\0')
35 FIXME: BTW, new specs say 65535 (do you dare ???) */
36 #define BUFLIMIT_SINGLE 32766 /* maximum buffer size (not including '\0') */
37 #define GROWLENGTH 32 /* buffers granularity in bytes: must be power of 2 */
38 #define ROUND_TO_GROW(size) (((size) + (GROWLENGTH - 1)) & ~(GROWLENGTH - 1))
39 #define HSCROLL_FRACTION 3 /* scroll window by 1/3 width */
40
41 /*
42 * extra flags for EDITSTATE.flags field
43 */
44 #define EF_MODIFIED 0x0001 /* text has been modified */
45 #define EF_FOCUSED 0x0002 /* we have input focus */
46 #define EF_UPDATE 0x0004 /* notify parent of changed state */
47 #define EF_VSCROLL_TRACK 0x0008 /* don't SetScrollPos() since we are tracking the thumb */
48 #define EF_HSCROLL_TRACK 0x0010 /* don't SetScrollPos() since we are tracking the thumb */
49 #define EF_AFTER_WRAP 0x0080 /* the caret is displayed after the last character of a
50 wrapped line, instead of in front of the next character */
51 #define EF_USE_SOFTBRK 0x0100 /* Enable soft breaks in text. */
52
53 typedef enum
54 {
55 END_0 = 0, /* line ends with terminating '\0' character */
56 END_WRAP, /* line is wrapped */
57 END_HARD, /* line ends with a hard return '\r\n' */
58 END_SOFT /* line ends with a soft return '\r\r\n' */
59 } LINE_END;
60
61 typedef struct tagLINEDEF {
62 INT length; /* bruto length of a line in bytes */
63 INT net_length; /* netto length of a line in visible characters */
64 LINE_END ending;
65 INT width; /* width of the line in pixels */
66 INT index; /* line index into the buffer */
67 struct tagLINEDEF *next;
68 } LINEDEF;
69
70 typedef struct
71 {
72 BOOL is_unicode; /* how the control was created */
73 LPWSTR text; /* the actual contents of the control */
74 UINT buffer_size; /* the size of the buffer in characters */
75 UINT buffer_limit; /* the maximum size to which the buffer may grow in characters */
76 HFONT font; /* NULL means standard system font */
77 INT x_offset; /* scroll offset for multi lines this is in pixels
78 for single lines it's in characters */
79 INT line_height; /* height of a screen line in pixels */
80 INT char_width; /* average character width in pixels */
81 DWORD style; /* sane version of wnd->dwStyle */
82 WORD flags; /* flags that are not in es->style or wnd->flags (EF_XXX) */
83 INT undo_insert_count; /* number of characters inserted in sequence */
84 UINT undo_position; /* character index of the insertion and deletion */
85 LPWSTR undo_text; /* deleted text */
86 UINT undo_buffer_size; /* size of the deleted text buffer */
87 INT selection_start; /* == selection_end if no selection */
88 INT selection_end; /* == current caret position */
89 WCHAR password_char; /* == 0 if no password char, and for multi line controls */
90 INT left_margin; /* in pixels */
91 INT right_margin; /* in pixels */
92 RECT format_rect;
93 INT text_width; /* width of the widest line in pixels for multi line controls
94 and just line width for single line controls */
95 INT region_posx; /* Position of cursor relative to region: */
96 INT region_posy; /* -1: to left, 0: within, 1: to right */
97 EDITWORDBREAKPROC16 word_break_proc16;
98 void *word_break_proc; /* 32-bit word break proc: ANSI or Unicode */
99 INT line_count; /* number of lines */
100 INT y_offset; /* scroll offset in number of lines */
101 BOOL bCaptureState; /* flag indicating whether mouse was captured */
102 BOOL bEnableState; /* flag keeping the enable state */
103 HWND hwndParent; /* Handle of parent for sending EN_* messages.
104 Even if parent will change, EN_* messages
105 should be sent to the first parent. */
106 HWND hwndListBox; /* handle of ComboBox's listbox or NULL */
107 /*
108 * only for multi line controls
109 */
110 INT lock_count; /* amount of re-entries in the EditWndProc */
111 INT tabs_count;
112 LPINT tabs;
113 LINEDEF *first_line_def; /* linked list of (soft) linebreaks */
114 HLOCAL hloc32W; /* our unicode local memory block */
115 HLOCAL16 hloc16; /* alias for 16-bit control receiving EM_GETHANDLE16
116 or EM_SETHANDLE16 */
117 HLOCAL hloc32A; /* alias for ANSI control receiving EM_GETHANDLE
118 or EM_SETHANDLE */
119 } EDITSTATE;
120
121
122 #define SWAP_INT32(x,y) do { INT temp = (INT)(x); (x) = (INT)(y); (y) = temp; } while(0)
123 #define ORDER_INT(x,y) do { if ((INT)(y) < (INT)(x)) SWAP_INT32((x),(y)); } while(0)
124
125 #define SWAP_UINT32(x,y) do { UINT temp = (UINT)(x); (x) = (UINT)(y); (y) = temp; } while(0)
126 #define ORDER_UINT(x,y) do { if ((UINT)(y) < (UINT)(x)) SWAP_UINT32((x),(y)); } while(0)
127
128 #define DPRINTF_EDIT_NOTIFY(hwnd, str) \
129 do {TRACE("notification " str " sent to hwnd=%08x\n", \
130 (UINT)(hwnd));} while(0)
131
132 /* used for disabled or read-only edit control */
133 #define EDIT_SEND_CTLCOLORSTATIC(wnd,hdc) \
134 (SendMessageW((wnd)->parent->hwndSelf, WM_CTLCOLORSTATIC, \
135 (WPARAM)(hdc), (LPARAM)(wnd)->hwndSelf))
136 #define EDIT_SEND_CTLCOLOR(wnd,hdc) \
137 (SendMessageW((wnd)->parent->hwndSelf, WM_CTLCOLOREDIT, \
138 (WPARAM)(hdc), (LPARAM)(wnd)->hwndSelf))
139 #define EDIT_NOTIFY_PARENT(es, wNotifyCode, str) \
140 do \
141 { /* Notify parent which has created this edit control */ \
142 DPRINTF_EDIT_NOTIFY((es)->hwndParent, str); \
143 SendMessageW((es)->hwndParent, WM_COMMAND, \
144 MAKEWPARAM((wnd)->wIDmenu, wNotifyCode), \
145 (LPARAM)(wnd)->hwndSelf); \
146 } while(0)
147 #define DPRINTF_EDIT_MSG16(str) \
148 TRACE(\
149 "16 bit : " str ": hwnd=%08x, wParam=%08x, lParam=%08x\n", \
150 (UINT)wnd->hwndSelf, (UINT)wParam, (UINT)lParam)
151 #define DPRINTF_EDIT_MSG32(str) \
152 TRACE(\
153 "32 bit %c : " str ": hwnd=%08x, wParam=%08x, lParam=%08x\n", \
154 unicode ? 'W' : 'A', \
155 (UINT)wnd->hwndSelf, (UINT)wParam, (UINT)lParam)
156
157 /*********************************************************************
158 *
159 * Declarations
160 *
161 */
162
163 /*
164 * These functions have trivial implementations
165 * We still like to call them internally
166 * "static inline" makes them more like macro's
167 */
168 static inline BOOL EDIT_EM_CanUndo(EDITSTATE *es);
169 static inline void EDIT_EM_EmptyUndoBuffer(EDITSTATE *es);
170 static inline void EDIT_WM_Clear(WND *wnd, EDITSTATE *es);
171 static inline void EDIT_WM_Cut(WND *wnd, EDITSTATE *es);
172
173 /*
174 * Helper functions only valid for one type of control
175 */
176 static void EDIT_BuildLineDefs_ML(WND *wnd, EDITSTATE *es, INT iStart, INT iEnd, INT delta, HRGN hrgn);
177 static void EDIT_CalcLineWidth_SL(WND *wnd, EDITSTATE *es);
178 static LPWSTR EDIT_GetPasswordPointer_SL(EDITSTATE *es);
179 static void EDIT_MoveDown_ML(WND *wnd, EDITSTATE *es, BOOL extend);
180 static void EDIT_MovePageDown_ML(WND *wnd, EDITSTATE *es, BOOL extend);
181 static void EDIT_MovePageUp_ML(WND *wnd, EDITSTATE *es, BOOL extend);
182 static void EDIT_MoveUp_ML(WND *wnd, EDITSTATE *es, BOOL extend);
183 /*
184 * Helper functions valid for both single line _and_ multi line controls
185 */
186 static INT EDIT_CallWordBreakProc(EDITSTATE *es, INT start, INT index, INT count, INT action);
187 static INT EDIT_CharFromPos(WND *wnd, EDITSTATE *es, INT x, INT y, LPBOOL after_wrap);
188 static void EDIT_ConfinePoint(EDITSTATE *es, LPINT x, LPINT y);
189 static void EDIT_GetLineRect(WND *wnd, EDITSTATE *es, INT line, INT scol, INT ecol, LPRECT rc);
190 static void EDIT_InvalidateText(WND *wnd, EDITSTATE *es, INT start, INT end);
191 static void EDIT_LockBuffer(WND *wnd, EDITSTATE *es);
192 static BOOL EDIT_MakeFit(WND *wnd, EDITSTATE *es, UINT size);
193 static BOOL EDIT_MakeUndoFit(EDITSTATE *es, UINT size);
194 static void EDIT_MoveBackward(WND *wnd, EDITSTATE *es, BOOL extend);
195 static void EDIT_MoveEnd(WND *wnd, EDITSTATE *es, BOOL extend);
196 static void EDIT_MoveForward(WND *wnd, EDITSTATE *es, BOOL extend);
197 static void EDIT_MoveHome(WND *wnd, EDITSTATE *es, BOOL extend);
198 static void EDIT_MoveWordBackward(WND *wnd, EDITSTATE *es, BOOL extend);
199 static void EDIT_MoveWordForward(WND *wnd, EDITSTATE *es, BOOL extend);
200 static void EDIT_PaintLine(WND *wnd, EDITSTATE *es, HDC hdc, INT line, BOOL rev);
201 static INT EDIT_PaintText(EDITSTATE *es, HDC hdc, INT x, INT y, INT line, INT col, INT count, BOOL rev);
202 static void EDIT_SetCaretPos(WND *wnd, EDITSTATE *es, INT pos, BOOL after_wrap);
203 static void EDIT_SetRectNP(WND *wnd, EDITSTATE *es, LPRECT lprc);
204 static void EDIT_UnlockBuffer(WND *wnd, EDITSTATE *es, BOOL force);
205 static void EDIT_UpdateScrollInfo(WND *wnd, EDITSTATE *es);
206 static INT CALLBACK EDIT_WordBreakProc(LPWSTR s, INT index, INT count, INT action);
207 /*
208 * EM_XXX message handlers
209 */
210 static LRESULT EDIT_EM_CharFromPos(WND *wnd, EDITSTATE *es, INT x, INT y);
211 static BOOL EDIT_EM_FmtLines(EDITSTATE *es, BOOL add_eol);
212 static HLOCAL EDIT_EM_GetHandle(EDITSTATE *es);
213 static HLOCAL16 EDIT_EM_GetHandle16(WND *wnd, EDITSTATE *es);
214 static INT EDIT_EM_GetLine(EDITSTATE *es, INT line, LPARAM lParam, BOOL unicode);
215 static LRESULT EDIT_EM_GetSel(EDITSTATE *es, LPUINT start, LPUINT end);
216 static LRESULT EDIT_EM_GetThumb(WND *wnd, EDITSTATE *es);
217 static INT EDIT_EM_LineFromChar(EDITSTATE *es, INT index);
218 static INT EDIT_EM_LineIndex(EDITSTATE *es, INT line);
219 static INT EDIT_EM_LineLength(EDITSTATE *es, INT index);
220 static BOOL EDIT_EM_LineScroll(WND *wnd, EDITSTATE *es, INT dx, INT dy);
221 static BOOL EDIT_EM_LineScroll_internal(WND *wnd, EDITSTATE *es, INT dx, INT dy);
222 static LRESULT EDIT_EM_PosFromChar(WND *wnd, EDITSTATE *es, INT index, BOOL after_wrap);
223 static void EDIT_EM_ReplaceSel(WND *wnd, EDITSTATE *es, BOOL can_undo, LPCWSTR lpsz_replace, BOOL send_update);
224 static LRESULT EDIT_EM_Scroll(WND *wnd, EDITSTATE *es, INT action);
225 static void EDIT_EM_ScrollCaret(WND *wnd, EDITSTATE *es);
226 static void EDIT_EM_SetHandle(WND *wnd, EDITSTATE *es, HLOCAL hloc);
227 static void EDIT_EM_SetHandle16(WND *wnd, EDITSTATE *es, HLOCAL16 hloc);
228 static void EDIT_EM_SetLimitText(EDITSTATE *es, INT limit);
229 static void EDIT_EM_SetMargins(EDITSTATE *es, INT action, INT left, INT right);
230 static void EDIT_EM_SetPasswordChar(WND *wnd, EDITSTATE *es, WCHAR c);
231 static void EDIT_EM_SetSel(WND *wnd, EDITSTATE *es, UINT start, UINT end, BOOL after_wrap);
232 static BOOL EDIT_EM_SetTabStops(EDITSTATE *es, INT count, LPINT tabs);
233 static BOOL EDIT_EM_SetTabStops16(EDITSTATE *es, INT count, LPINT16 tabs);
234 static void EDIT_EM_SetWordBreakProc(WND *wnd, EDITSTATE *es, LPARAM lParam);
235 static void EDIT_EM_SetWordBreakProc16(WND *wnd, EDITSTATE *es, EDITWORDBREAKPROC16 wbp);
236 static BOOL EDIT_EM_Undo(WND *wnd, EDITSTATE *es);
237 /*
238 * WM_XXX message handlers
239 */
240 static void EDIT_WM_Char(WND *wnd, EDITSTATE *es, WCHAR c);
241 static void EDIT_WM_Command(WND *wnd, EDITSTATE *es, INT code, INT id, HWND conrtol);
242 static void EDIT_WM_ContextMenu(WND *wnd, EDITSTATE *es, INT x, INT y);
243 static void EDIT_WM_Copy(WND *wnd, EDITSTATE *es);
244 static LRESULT EDIT_WM_Create(WND *wnd, EDITSTATE *es, LPCWSTR name);
245 static void EDIT_WM_Destroy(WND *wnd, EDITSTATE *es);
246 static LRESULT EDIT_WM_EraseBkGnd(WND *wnd, EDITSTATE *es, HDC dc);
247 static INT EDIT_WM_GetText(EDITSTATE *es, INT count, LPARAM lParam, BOOL unicode);
248 static LRESULT EDIT_WM_HScroll(WND *wnd, EDITSTATE *es, INT action, INT pos);
249 static LRESULT EDIT_WM_KeyDown(WND *wnd, EDITSTATE *es, INT key);
250 static LRESULT EDIT_WM_KillFocus(WND *wnd, EDITSTATE *es);
251 static LRESULT EDIT_WM_LButtonDblClk(WND *wnd, EDITSTATE *es);
252 static LRESULT EDIT_WM_LButtonDown(WND *wnd, EDITSTATE *es, DWORD keys, INT x, INT y);
253 static LRESULT EDIT_WM_LButtonUp(HWND hwndSelf, EDITSTATE *es);
254 static LRESULT EDIT_WM_MButtonDown(WND *wnd);
255 static LRESULT EDIT_WM_MouseMove(WND *wnd, EDITSTATE *es, INT x, INT y);
256 static LRESULT EDIT_WM_NCCreate(WND *wnd, DWORD style, HWND hwndParent, BOOL unicode);
257 static void EDIT_WM_Paint(WND *wnd, EDITSTATE *es, WPARAM wParam);
258 static void EDIT_WM_Paste(WND *wnd, EDITSTATE *es);
259 static void EDIT_WM_SetFocus(WND *wnd, EDITSTATE *es);
260 static void EDIT_WM_SetFont(WND *wnd, EDITSTATE *es, HFONT font, BOOL redraw);
261 static void EDIT_WM_SetText(WND *wnd, EDITSTATE *es, LPARAM lParam, BOOL unicode);
262 static void EDIT_WM_Size(WND *wnd, EDITSTATE *es, UINT action, INT width, INT height);
263 static LRESULT EDIT_WM_SysKeyDown(WND *wnd, EDITSTATE *es, INT key, DWORD key_data);
264 static void EDIT_WM_Timer(WND *wnd, EDITSTATE *es);
265 static LRESULT EDIT_WM_VScroll(WND *wnd, EDITSTATE *es, INT action, INT pos);
266 static void EDIT_UpdateText(WND *wnd, LPRECT rc, BOOL bErase);
267 static void EDIT_UpdateTextRegion(WND *wnd, HRGN hrgn, BOOL bErase);
268
269 LRESULT WINAPI EditWndProcA(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
270 LRESULT WINAPI EditWndProcW(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
271
272 /*********************************************************************
273 * edit class descriptor
274 */
275 const struct builtin_class_descr EDIT_builtin_class =
276 {
277 "Edit", /* name */
278 CS_GLOBALCLASS | CS_DBLCLKS /*| CS_PARENTDC*/, /* style */
279 EditWndProcA, /* procA */
280 EditWndProcW, /* procW */
281 sizeof(EDITSTATE *), /* extra */
282 IDC_IBEAMA, /* cursor */
283 0 /* brush */
284 };
285
286
287 /*********************************************************************
288 *
289 * EM_CANUNDO
290 *
291 */
292 static inline BOOL EDIT_EM_CanUndo(EDITSTATE *es)
293 {
294 return (es->undo_insert_count || strlenW(es->undo_text));
295 }
296
297
298 /*********************************************************************
299 *
300 * EM_EMPTYUNDOBUFFER
301 *
302 */
303 static inline void EDIT_EM_EmptyUndoBuffer(EDITSTATE *es)
304 {
305 es->undo_insert_count = 0;
306 *es->undo_text = '\0';
307 }
308
309
310 /*********************************************************************
311 *
312 * WM_CLEAR
313 *
314 */
315 static inline void EDIT_WM_Clear(WND *wnd, EDITSTATE *es)
316 {
317 static const WCHAR empty_stringW[] = {0};
318
319 /* Protect read-only edit control from modification */
320 if(es->style & ES_READONLY)
321 return;
322
323 EDIT_EM_ReplaceSel(wnd, es, TRUE, empty_stringW, TRUE);
324 }
325
326
327 /*********************************************************************
328 *
329 * WM_CUT
330 *
331 */
332 static inline void EDIT_WM_Cut(WND *wnd, EDITSTATE *es)
333 {
334 EDIT_WM_Copy(wnd, es);
335 EDIT_WM_Clear(wnd, es);
336 }
337
338
339 /**********************************************************************
340 * get_app_version
341 *
342 * Returns the window version in case Wine emulates a later version
343 * of windows then the application expects.
344 *
345 * In a number of cases when windows runs an application that was
346 * designed for an earlier windows version, windows reverts
347 * to "old" behaviour of that earlier version.
348 *
349 * An example is a disabled edit control that needs to be painted.
350 * Old style behaviour is to send a WM_CTLCOLOREDIT message. This was
351 * changed in Win95, NT4.0 by a WM_CTLCOLORSTATIC message _only_ for
352 * applications with an expected version 0f 4.0 or higher.
353 *
354 */
355 static DWORD get_app_version(void)
356 {
357 static DWORD version;
358 if (!version)
359 {
360 DWORD dwEmulatedVersion;
361 OSVERSIONINFOW info;
362 DWORD dwProcVersion = GetProcessVersion(0);
363
364 GetVersionExW( &info );
365 dwEmulatedVersion = MAKELONG( info.dwMinorVersion, info.dwMajorVersion );
366 /* fixme: this may not be 100% correct; see discussion on the
367 * wine developer list in Nov 1999 */
368 version = dwProcVersion < dwEmulatedVersion ? dwProcVersion : dwEmulatedVersion;
369 }
370 return version;
371 }
372
373
374 /*********************************************************************
375 *
376 * EditWndProc_locked
377 *
378 * The messages are in the order of the actual integer values
379 * (which can be found in include/windows.h)
380 * Whereever possible the 16 bit versions are converted to
381 * the 32 bit ones, so that we can 'fall through' to the
382 * helper functions. These are mostly 32 bit (with a few
383 * exceptions, clearly indicated by a '16' extension to their
384 * names).
385 *
386 */
387 static LRESULT WINAPI EditWndProc_locked( WND *wnd, UINT msg,
388 WPARAM wParam, LPARAM lParam, BOOL unicode )
389 {
390 EDITSTATE *es = *(EDITSTATE **)((wnd)->wExtra);
391 LRESULT result = 0;
392
393 switch (msg) {
394 case WM_DESTROY:
395 DPRINTF_EDIT_MSG32("WM_DESTROY");
396 EDIT_WM_Destroy(wnd, es);
397 result = 0;
398 goto END;
399
400 case WM_NCCREATE:
401 DPRINTF_EDIT_MSG32("WM_NCCREATE");
402 if(unicode)
403 {
404 LPCREATESTRUCTW cs = (LPCREATESTRUCTW)lParam;
405 result = EDIT_WM_NCCreate(wnd, cs->style, cs->hwndParent, TRUE);
406 }
407 else
408 {
409 LPCREATESTRUCTA cs = (LPCREATESTRUCTA)lParam;
410 result = EDIT_WM_NCCreate(wnd, cs->style, cs->hwndParent, FALSE);
411 }
412 goto END;
413 }
414
415 if (!es)
416 {
417 if(unicode)
418 result = DefWindowProcW(wnd->hwndSelf, msg, wParam, lParam);
419 else
420 result = DefWindowProcA(wnd->hwndSelf, msg, wParam, lParam);
421 goto END;
422 }
423
424
425 EDIT_LockBuffer(wnd, es);
426 switch (msg) {
427 case EM_GETSEL16:
428 DPRINTF_EDIT_MSG16("EM_GETSEL");
429 wParam = 0;
430 lParam = 0;
431 /* fall through */
432 case EM_GETSEL:
433 DPRINTF_EDIT_MSG32("EM_GETSEL");
434 result = EDIT_EM_GetSel(es, (LPUINT)wParam, (LPUINT)lParam);
435 break;
436
437 case EM_SETSEL16:
438 DPRINTF_EDIT_MSG16("EM_SETSEL");
439 if (SLOWORD(lParam) == -1)
440 EDIT_EM_SetSel(wnd, es, (UINT)-1, 0, FALSE);
441 else
442 EDIT_EM_SetSel(wnd, es, LOWORD(lParam), HIWORD(lParam), FALSE);
443 if (!wParam)
444 EDIT_EM_ScrollCaret(wnd, es);
445 result = 1;
446 break;
447 case EM_SETSEL:
448 DPRINTF_EDIT_MSG32("EM_SETSEL");
449 EDIT_EM_SetSel(wnd, es, wParam, lParam, FALSE);
450 EDIT_EM_ScrollCaret(wnd, es);
451 result = 1;
452 break;
453
454 case EM_GETRECT16:
455 DPRINTF_EDIT_MSG16("EM_GETRECT");
456 if (lParam)
457 CONV_RECT32TO16(&es->format_rect, MapSL(lParam));
458 break;
459 case EM_GETRECT:
460 DPRINTF_EDIT_MSG32("EM_GETRECT");
461 if (lParam)
462 CopyRect((LPRECT)lParam, &es->format_rect);
463 break;
464
465 case EM_SETRECT16:
466 DPRINTF_EDIT_MSG16("EM_SETRECT");
467 if ((es->style & ES_MULTILINE) && lParam) {
468 RECT rc;
469 CONV_RECT16TO32(MapSL(lParam), &rc);
470 EDIT_SetRectNP(wnd, es, &rc);
471 EDIT_UpdateText(wnd, NULL, TRUE);
472 }
473 break;
474 case EM_SETRECT:
475 DPRINTF_EDIT_MSG32("EM_SETRECT");
476 if ((es->style & ES_MULTILINE) && lParam) {
477 EDIT_SetRectNP(wnd, es, (LPRECT)lParam);
478 EDIT_UpdateText(wnd, NULL, TRUE);
479 }
480 break;
481
482 case EM_SETRECTNP16:
483 DPRINTF_EDIT_MSG16("EM_SETRECTNP");
484 if ((es->style & ES_MULTILINE) && lParam) {
485 RECT rc;
486 CONV_RECT16TO32(MapSL(lParam), &rc);
487 EDIT_SetRectNP(wnd, es, &rc);
488 }
489 break;
490 case EM_SETRECTNP:
491 DPRINTF_EDIT_MSG32("EM_SETRECTNP");
492 if ((es->style & ES_MULTILINE) && lParam)
493 EDIT_SetRectNP(wnd, es, (LPRECT)lParam);
494 break;
495
496 case EM_SCROLL16:
497 DPRINTF_EDIT_MSG16("EM_SCROLL");
498 /* fall through */
499 case EM_SCROLL:
500 DPRINTF_EDIT_MSG32("EM_SCROLL");
501 result = EDIT_EM_Scroll(wnd, es, (INT)wParam);
502 break;
503
504 case EM_LINESCROLL16:
505 DPRINTF_EDIT_MSG16("EM_LINESCROLL");
506 wParam = (WPARAM)(INT)SHIWORD(lParam);
507 lParam = (LPARAM)(INT)SLOWORD(lParam);
508 /* fall through */
509 case EM_LINESCROLL:
510 DPRINTF_EDIT_MSG32("EM_LINESCROLL");
511 result = (LRESULT)EDIT_EM_LineScroll(wnd, es, (INT)wParam, (INT)lParam);
512 break;
513
514 case EM_SCROLLCARET16:
515 DPRINTF_EDIT_MSG16("EM_SCROLLCARET");
516 /* fall through */
517 case EM_SCROLLCARET:
518 DPRINTF_EDIT_MSG32("EM_SCROLLCARET");
519 EDIT_EM_ScrollCaret(wnd, es);
520 result = 1;
521 break;
522
523 case EM_GETMODIFY16:
524 DPRINTF_EDIT_MSG16("EM_GETMODIFY");
525 /* fall through */
526 case EM_GETMODIFY:
527 DPRINTF_EDIT_MSG32("EM_GETMODIFY");
528 result = ((es->flags & EF_MODIFIED) != 0);
529 break;
530
531 case EM_SETMODIFY16:
532 DPRINTF_EDIT_MSG16("EM_SETMODIFY");
533 /* fall through */
534 case EM_SETMODIFY:
535 DPRINTF_EDIT_MSG32("EM_SETMODIFY");
536 if (wParam)
537 es->flags |= EF_MODIFIED;
538 else
539 es->flags &= ~(EF_MODIFIED | EF_UPDATE); /* reset pending updates */
540 break;
541
542 case EM_GETLINECOUNT16:
543 DPRINTF_EDIT_MSG16("EM_GETLINECOUNT");
544 /* fall through */
545 case EM_GETLINECOUNT:
546 DPRINTF_EDIT_MSG32("EM_GETLINECOUNT");
547 result = (es->style & ES_MULTILINE) ? es->line_count : 1;
548 break;
549
550 case EM_LINEINDEX16:
551 DPRINTF_EDIT_MSG16("EM_LINEINDEX");
552 if ((INT16)wParam == -1)
553 wParam = (WPARAM)-1;
554 /* fall through */
555 case EM_LINEINDEX:
556 DPRINTF_EDIT_MSG32("EM_LINEINDEX");
557 result = (LRESULT)EDIT_EM_LineIndex(es, (INT)wParam);
558 break;
559
560 case EM_SETHANDLE16:
561 DPRINTF_EDIT_MSG16("EM_SETHANDLE");
562 EDIT_EM_SetHandle16(wnd, es, (HLOCAL16)wParam);
563 break;
564 case EM_SETHANDLE:
565 DPRINTF_EDIT_MSG32("EM_SETHANDLE");
566 EDIT_EM_SetHandle(wnd, es, (HLOCAL)wParam);
567 break;
568
569 case EM_GETHANDLE16:
570 DPRINTF_EDIT_MSG16("EM_GETHANDLE");
571 result = (LRESULT)EDIT_EM_GetHandle16(wnd, es);
572 break;
573 case EM_GETHANDLE:
574 DPRINTF_EDIT_MSG32("EM_GETHANDLE");
575 result = (LRESULT)EDIT_EM_GetHandle(es);
576 break;
577
578 case EM_GETTHUMB16:
579 DPRINTF_EDIT_MSG16("EM_GETTHUMB");
580 /* fall through */
581 case EM_GETTHUMB:
582 DPRINTF_EDIT_MSG32("EM_GETTHUMB");
583 result = EDIT_EM_GetThumb(wnd, es);
584 break;
585
586 /* messages 0x00bf and 0x00c0 missing from specs */
587
588 case WM_USER+15:
589 DPRINTF_EDIT_MSG16("undocumented WM_USER+15, please report");
590 /* fall through */
591 case 0x00bf:
592 DPRINTF_EDIT_MSG32("undocumented 0x00bf, please report");
593 if(unicode)
594 result = DefWindowProcW(wnd->hwndSelf, msg, wParam, lParam);
595 else
596 result = DefWindowProcA(wnd->hwndSelf, msg, wParam, lParam);
597 break;
598
599 case WM_USER+16:
600 DPRINTF_EDIT_MSG16("undocumented WM_USER+16, please report");
601 /* fall through */
602 case 0x00c0:
603 DPRINTF_EDIT_MSG32("undocumented 0x00c0, please report");
604 if(unicode)
605 result = DefWindowProcW(wnd->hwndSelf, msg, wParam, lParam);
606 else
607 result = DefWindowProcA(wnd->hwndSelf, msg, wParam, lParam);
608 break;
609
610 case EM_LINELENGTH16:
611 DPRINTF_EDIT_MSG16("EM_LINELENGTH");
612 /* fall through */
613 case EM_LINELENGTH:
614 DPRINTF_EDIT_MSG32("EM_LINELENGTH");
615 result = (LRESULT)EDIT_EM_LineLength(es, (INT)wParam);
616 break;
617
618 case EM_REPLACESEL16:
619 DPRINTF_EDIT_MSG16("EM_REPLACESEL");
620 lParam = (LPARAM)MapSL(lParam);
621 unicode = FALSE; /* 16-bit message is always ascii */
622 /* fall through */
623 case EM_REPLACESEL:
624 {
625 LPWSTR textW;
626 DPRINTF_EDIT_MSG32("EM_REPLACESEL");
627
628 if(unicode)
629 textW = (LPWSTR)lParam;
630 else
631 {
632 LPSTR textA = (LPSTR)lParam;
633 INT countW = MultiByteToWideChar(CP_ACP, 0, textA, -1, NULL, 0);
634 if((textW = HeapAlloc(GetProcessHeap(), 0, countW * sizeof(WCHAR))))
635 MultiByteToWideChar(CP_ACP, 0, textA, -1, textW, countW);
636 }
637
638 EDIT_EM_ReplaceSel(wnd, es, (BOOL)wParam, textW, TRUE);
639 result = 1;
640
641 if(!unicode)
642 HeapFree(GetProcessHeap(), 0, textW);
643 break;
644 }
645 /* message 0x00c3 missing from specs */
646
647 case WM_USER+19:
648 DPRINTF_EDIT_MSG16("undocumented WM_USER+19, please report");
649 /* fall through */
650 case 0x00c3:
651 DPRINTF_EDIT_MSG32("undocumented 0x00c3, please report");
652 if(unicode)
653 result = DefWindowProcW(wnd->hwndSelf, msg, wParam, lParam);
654 else
655 result = DefWindowProcA(wnd->hwndSelf, msg, wParam, lParam);
656 break;
657
658 case EM_GETLINE16:
659 DPRINTF_EDIT_MSG16("EM_GETLINE");
660 lParam = (LPARAM)MapSL(lParam);
661 unicode = FALSE; /* 16-bit message is always ascii */
662 /* fall through */
663 case EM_GETLINE:
664 DPRINTF_EDIT_MSG32("EM_GETLINE");
665 result = (LRESULT)EDIT_EM_GetLine(es, (INT)wParam, lParam, unicode);
666 break;
667
668 case EM_LIMITTEXT16:
669 DPRINTF_EDIT_MSG16("EM_LIMITTEXT");
670 /* fall through */
671 case EM_SETLIMITTEXT:
672 DPRINTF_EDIT_MSG32("EM_SETLIMITTEXT");
673 EDIT_EM_SetLimitText(es, (INT)wParam);
674 break;
675
676 case EM_CANUNDO16:
677 DPRINTF_EDIT_MSG16("EM_CANUNDO");
678 /* fall through */
679 case EM_CANUNDO:
680 DPRINTF_EDIT_MSG32("EM_CANUNDO");
681 result = (LRESULT)EDIT_EM_CanUndo(es);
682 break;
683
684 case EM_UNDO16:
685 DPRINTF_EDIT_MSG16("EM_UNDO");
686 /* fall through */
687 case EM_UNDO:
688 /* fall through */
689 case WM_UNDO:
690 DPRINTF_EDIT_MSG32("EM_UNDO / WM_UNDO");
691 result = (LRESULT)EDIT_EM_Undo(wnd, es);
692 break;
693
694 case EM_FMTLINES16:
695 DPRINTF_EDIT_MSG16("EM_FMTLINES");
696 /* fall through */
697 case EM_FMTLINES:
698 DPRINTF_EDIT_MSG32("EM_FMTLINES");
699 result = (LRESULT)EDIT_EM_FmtLines(es, (BOOL)wParam);
700 break;
701
702 case EM_LINEFROMCHAR16:
703 DPRINTF_EDIT_MSG16("EM_LINEFROMCHAR");
704 /* fall through */
705 case EM_LINEFROMCHAR:
706 DPRINTF_EDIT_MSG32("EM_LINEFROMCHAR");
707 result = (LRESULT)EDIT_EM_LineFromChar(es, (INT)wParam);
708 break;
709
710 /* message 0x00ca missing from specs */
711
712 case WM_USER+26:
713 DPRINTF_EDIT_MSG16("undocumented WM_USER+26, please report");
714 /* fall through */
715 case 0x00ca:
716 DPRINTF_EDIT_MSG32("undocumented 0x00ca, please report");
717 if(unicode)
718 result = DefWindowProcW(wnd->hwndSelf, msg, wParam, lParam);
719 else
720 result = DefWindowProcA(wnd->hwndSelf, msg, wParam, lParam);
721 break;
722
723 case EM_SETTABSTOPS16:
724 DPRINTF_EDIT_MSG16("EM_SETTABSTOPS");
725 result = (LRESULT)EDIT_EM_SetTabStops16(es, (INT)wParam, MapSL(lParam));
726 break;
727 case EM_SETTABSTOPS:
728 DPRINTF_EDIT_MSG32("EM_SETTABSTOPS");
729 result = (LRESULT)EDIT_EM_SetTabStops(es, (INT)wParam, (LPINT)lParam);
730 break;
731
732 case EM_SETPASSWORDCHAR16:
733 DPRINTF_EDIT_MSG16("EM_SETPASSWORDCHAR");
734 unicode = FALSE; /* 16-bit message is always ascii */
735 /* fall through */
736 case EM_SETPASSWORDCHAR:
737 {
738 WCHAR charW = 0;
739 DPRINTF_EDIT_MSG32("EM_SETPASSWORDCHAR");
740
741 if(unicode)
742 charW = (WCHAR)wParam;
743 else
744 {
745 CHAR charA = wParam;
746 MultiByteToWideChar(CP_ACP, 0, &charA, 1, &charW, 1);
747 }
748
749 EDIT_EM_SetPasswordChar(wnd, es, charW);
750 break;
751 }
752
753 case EM_EMPTYUNDOBUFFER16:
754 DPRINTF_EDIT_MSG16("EM_EMPTYUNDOBUFFER");
755 /* fall through */
756 case EM_EMPTYUNDOBUFFER:
757 DPRINTF_EDIT_MSG32("EM_EMPTYUNDOBUFFER");
758 EDIT_EM_EmptyUndoBuffer(es);
759 break;
760
761 case EM_GETFIRSTVISIBLELINE16:
762 DPRINTF_EDIT_MSG16("EM_GETFIRSTVISIBLELINE");
763 result = es->y_offset;
764 break;
765 case EM_GETFIRSTVISIBLELINE:
766 DPRINTF_EDIT_MSG32("EM_GETFIRSTVISIBLELINE");
767 result = (es->style & ES_MULTILINE) ? es->y_offset : es->x_offset;
768 break;
769
770 case EM_SETREADONLY16:
771 DPRINTF_EDIT_MSG16("EM_SETREADONLY");
772 /* fall through */
773 case EM_SETREADONLY:
774 DPRINTF_EDIT_MSG32("EM_SETREADONLY");
775 if (wParam) {
776 wnd->dwStyle |= ES_READONLY;
777 es->style |= ES_READONLY;
778 } else {
779 wnd->dwStyle &= ~ES_READONLY;
780 es->style &= ~ES_READONLY;
781 }
782 result = 1;
783 break;
784
785 case EM_SETWORDBREAKPROC16:
786 DPRINTF_EDIT_MSG16("EM_SETWORDBREAKPROC");
787 EDIT_EM_SetWordBreakProc16(wnd, es, (EDITWORDBREAKPROC16)lParam);
788 break;
789 case EM_SETWORDBREAKPROC:
790 DPRINTF_EDIT_MSG32("EM_SETWORDBREAKPROC");
791 EDIT_EM_SetWordBreakProc(wnd, es, lParam);
792 break;
793
794 case EM_GETWORDBREAKPROC16:
795 DPRINTF_EDIT_MSG16("EM_GETWORDBREAKPROC");
796 result = (LRESULT)es->word_break_proc16;
797 break;
798 case EM_GETWORDBREAKPROC:
799 DPRINTF_EDIT_MSG32("EM_GETWORDBREAKPROC");
800 result = (LRESULT)es->word_break_proc;
801 break;
802
803 case EM_GETPASSWORDCHAR16:
804 DPRINTF_EDIT_MSG16("EM_GETPASSWORDCHAR");
805 unicode = FALSE; /* 16-bit message is always ascii */
806 /* fall through */
807 case EM_GETPASSWORDCHAR:
808 {
809 DPRINTF_EDIT_MSG32("EM_GETPASSWORDCHAR");
810
811 if(unicode)
812 result = es->password_char;
813 else
814 {
815 WCHAR charW = es->password_char;
816 CHAR charA = 0;
817 WideCharToMultiByte(CP_ACP, 0, &charW, 1, &charA, 1, NULL, NULL);
818 result = charA;
819 }
820 break;
821 }
822
823 /* The following EM_xxx are new to win95 and don't exist for 16 bit */
824
825 case EM_SETMARGINS:
826 DPRINTF_EDIT_MSG32("EM_SETMARGINS");
827 EDIT_EM_SetMargins(es, (INT)wParam, SLOWORD(lParam), SHIWORD(lParam));
828 break;
829
830 case EM_GETMARGINS:
831 DPRINTF_EDIT_MSG32("EM_GETMARGINS");
832 result = MAKELONG(es->left_margin, es->right_margin);
833 break;
834
835 case EM_GETLIMITTEXT:
836 DPRINTF_EDIT_MSG32("EM_GETLIMITTEXT");
837 result = es->buffer_limit;
838 break;
839
840 case EM_POSFROMCHAR:
841 DPRINTF_EDIT_MSG32("EM_POSFROMCHAR");
842 result = EDIT_EM_PosFromChar(wnd, es, (INT)wParam, FALSE);
843 break;
844
845 case EM_CHARFROMPOS:
846 DPRINTF_EDIT_MSG32("EM_CHARFROMPOS");
847 result = EDIT_EM_CharFromPos(wnd, es, SLOWORD(lParam), SHIWORD(lParam));
848 break;
849
850 case WM_GETDLGCODE:
851 DPRINTF_EDIT_MSG32("WM_GETDLGCODE");
852 result = DLGC_HASSETSEL | DLGC_WANTCHARS | DLGC_WANTARROWS;
853
854 if (lParam && (((LPMSG)lParam)->message == WM_KEYDOWN))
855 {
856 int vk = (int)((LPMSG)lParam)->wParam;
857
858 if ((wnd->dwStyle & ES_WANTRETURN) && vk == VK_RETURN)
859 {
860 result |= DLGC_WANTMESSAGE;
861 }
862 else if (es->hwndListBox && (vk == VK_RETURN || vk == VK_ESCAPE))
863 {
864 if (SendMessageW(wnd->parent->hwndSelf, CB_GETDROPPEDSTATE, 0, 0))
865 result |= DLGC_WANTMESSAGE;
866 }
867 }
868 break;
869
870 case WM_CHAR:
871 {
872 WCHAR charW;
873 DPRINTF_EDIT_MSG32("WM_CHAR");
874
875 if(unicode)
876 charW = wParam;
877 else
878 {
879 CHAR charA = wParam;
880 MultiByteToWideChar(CP_ACP, 0, &charA, 1, &charW, 1);
881 }
882
883 if ((charW == VK_RETURN || charW == VK_ESCAPE) && es->hwndListBox)
884 {
885 if (SendMessageW(wnd->parent->hwndSelf, CB_GETDROPPEDSTATE, 0, 0))
886 SendMessageW(wnd->parent->hwndSelf, WM_KEYDOWN, charW, 0);
887 break;
888 }
889 EDIT_WM_Char(wnd, es, charW);
890 break;
891 }
892
893 case WM_CLEAR:
894 DPRINTF_EDIT_MSG32("WM_CLEAR");
895 EDIT_WM_Clear(wnd, es);
896 break;
897
898 case WM_COMMAND:
899 DPRINTF_EDIT_MSG32("WM_COMMAND");
900 EDIT_WM_Command(wnd, es, HIWORD(wParam), LOWORD(wParam), (HWND)lParam);
901 break;
902
903 case WM_CONTEXTMENU:
904 DPRINTF_EDIT_MSG32("WM_CONTEXTMENU");
905 EDIT_WM_ContextMenu(wnd, es, SLOWORD(lParam), SHIWORD(lParam));
906 break;
907
908 case WM_COPY:
909 DPRINTF_EDIT_MSG32("WM_COPY");
910 EDIT_WM_Copy(wnd, es);
911 break;
912
913 case WM_CREATE:
914 DPRINTF_EDIT_MSG32("WM_CREATE");
915 if(unicode)
916 result = EDIT_WM_Create(wnd, es, ((LPCREATESTRUCTW)lParam)->lpszName);
917 else
918 {
919 LPCSTR nameA = ((LPCREATESTRUCTA)lParam)->lpszName;
920 LPWSTR nameW = NULL;
921 if(nameA)
922 {
923 INT countW = MultiByteToWideChar(CP_ACP, 0, nameA, -1, NULL, 0);
924 if((nameW = HeapAlloc(GetProcessHeap(), 0, countW * sizeof(WCHAR))))
925 MultiByteToWideChar(CP_ACP, 0, nameA, -1, nameW, countW);
926 }
927 result = EDIT_WM_Create(wnd, es, nameW);
928 if(nameW)
929 HeapFree(GetProcessHeap(), 0, nameW);
930 }
931 break;
932
933 case WM_CUT:
934 DPRINTF_EDIT_MSG32("WM_CUT");
935 EDIT_WM_Cut(wnd, es);
936 break;
937
938 case WM_ENABLE:
939 DPRINTF_EDIT_MSG32("WM_ENABLE");
940 es->bEnableState = (BOOL) wParam;
941 EDIT_UpdateText(wnd, NULL, TRUE);
942 break;
943
944 case WM_ERASEBKGND:
945 DPRINTF_EDIT_MSG32("WM_ERASEBKGND");
946 result = EDIT_WM_EraseBkGnd(wnd, es, (HDC)wParam);
947 break;
948
949 case WM_GETFONT:
950 DPRINTF_EDIT_MSG32("WM_GETFONT");
951 result = (LRESULT)es->font;
952 break;
953
954 case WM_GETTEXT:
955 DPRINTF_EDIT_MSG32("WM_GETTEXT");
956 result = (LRESULT)EDIT_WM_GetText(es, (INT)wParam, lParam, unicode);
957 break;
958
959 case WM_GETTEXTLENGTH:
960 DPRINTF_EDIT_MSG32("WM_GETTEXTLENGTH");
961 result = strlenW(es->text);
962 break;
963
964 case WM_HSCROLL:
965 DPRINTF_EDIT_MSG32("WM_HSCROLL");
966 result = EDIT_WM_HScroll(wnd, es, LOWORD(wParam), SHIWORD(wParam));
967 break;
968
969 case WM_KEYDOWN:
970 DPRINTF_EDIT_MSG32("WM_KEYDOWN");
971 result = EDIT_WM_KeyDown(wnd, es, (INT)wParam);
972 break;
973
974 case WM_KILLFOCUS:
975 DPRINTF_EDIT_MSG32("WM_KILLFOCUS");
976 result = EDIT_WM_KillFocus(wnd, es);
977 break;
978
979 case WM_LBUTTONDBLCLK:
980 DPRINTF_EDIT_MSG32("WM_LBUTTONDBLCLK");
981 result = EDIT_WM_LButtonDblClk(wnd, es);
982 break;
983
984 case WM_LBUTTONDOWN:
985 DPRINTF_EDIT_MSG32("WM_LBUTTONDOWN");
986 result = EDIT_WM_LButtonDown(wnd, es, (DWORD)wParam, SLOWORD(lParam), SHIWORD(lParam));
987 break;
988
989 case WM_LBUTTONUP:
990 DPRINTF_EDIT_MSG32("WM_LBUTTONUP");
991 result = EDIT_WM_LButtonUp(wnd->hwndSelf, es);
992 break;
993
994 case WM_MBUTTONDOWN:
995 DPRINTF_EDIT_MSG32("WM_MBUTTONDOWN");
996 result = EDIT_WM_MButtonDown(wnd);
997 break;
998
999 case WM_MOUSEACTIVATE:
1000 /*
1001 * FIXME: maybe DefWindowProc() screws up, but it seems that
1002 * modeless dialog boxes need this. If we don't do this, the focus
1003 * will _not_ be set by DefWindowProc() for edit controls in a
1004 * modeless dialog box ???
1005 */
1006 DPRINTF_EDIT_MSG32("WM_MOUSEACTIVATE");
1007 SetFocus(wnd->hwndSelf);
1008 result = MA_ACTIVATE;
1009 break;
1010
1011 case WM_MOUSEMOVE:
1012 /*
1013 * DPRINTF_EDIT_MSG32("WM_MOUSEMOVE");
1014 */
1015 result = EDIT_WM_MouseMove(wnd, es, SLOWORD(lParam), SHIWORD(lParam));
1016 break;
1017
1018 case WM_PAINT:
1019 DPRINTF_EDIT_MSG32("WM_PAINT");
1020 EDIT_WM_Paint(wnd, es, wParam);
1021 break;
1022
1023 case WM_PASTE:
1024 DPRINTF_EDIT_MSG32("WM_PASTE");
1025 EDIT_WM_Paste(wnd, es);
1026 break;
1027
1028 case WM_SETFOCUS:
1029 DPRINTF_EDIT_MSG32("WM_SETFOCUS");
1030 EDIT_WM_SetFocus(wnd, es);
1031 break;
1032
1033 case WM_SETFONT:
1034 DPRINTF_EDIT_MSG32("WM_SETFONT");
1035 EDIT_WM_SetFont(wnd, es, (HFONT)wParam, LOWORD(lParam) != 0);
1036 break;
1037
1038 case WM_SETREDRAW:
1039 /* FIXME: actually set an internal flag and behave accordingly */
1040 break;
1041
1042 case WM_SETTEXT:
1043 DPRINTF_EDIT_MSG32("WM_SETTEXT");
1044 EDIT_WM_SetText(wnd, es, lParam, unicode);
1045 result = TRUE;
1046 break;
1047
1048 case WM_SIZE:
1049 DPRINTF_EDIT_MSG32("WM_SIZE");
1050 EDIT_WM_Size(wnd, es, (UINT)wParam, LOWORD(lParam), HIWORD(lParam));
1051 break;
1052
1053 case WM_SYSKEYDOWN:
1054 DPRINTF_EDIT_MSG32("WM_SYSKEYDOWN");
1055 result = EDIT_WM_SysKeyDown(wnd, es, (INT)wParam, (DWORD)lParam);
1056 break;
1057
1058 case WM_TIMER:
1059 DPRINTF_EDIT_MSG32("WM_TIMER");
1060 EDIT_WM_Timer(wnd, es);
1061 break;
1062
1063 case WM_VSCROLL:
1064 DPRINTF_EDIT_MSG32("WM_VSCROLL");
1065 result = EDIT_WM_VScroll(wnd, es, LOWORD(wParam), SHIWORD(wParam));
1066 break;
1067
1068 case WM_MOUSEWHEEL:
1069 {
1070 int gcWheelDelta = 0;
1071 UINT pulScrollLines = 3;
1072 SystemParametersInfoW(SPI_GETWHEELSCROLLLINES,0, &pulScrollLines, 0);
1073
1074 if (wParam & (MK_SHIFT | MK_CONTROL)) {
1075 if(unicode)
1076 result = DefWindowProcW(wnd->hwndSelf, msg, wParam, lParam);
1077 else
1078 result = DefWindowProcA(wnd->hwndSelf, msg, wParam, lParam);
1079 break;
1080 }
1081 gcWheelDelta -= SHIWORD(wParam);
1082 if (abs(gcWheelDelta) >= WHEEL_DELTA && pulScrollLines)
1083 {
1084 int cLineScroll= (int) min((UINT) es->line_count, pulScrollLines);
1085 cLineScroll *= (gcWheelDelta / WHEEL_DELTA);
1086 result = EDIT_EM_LineScroll(wnd, es, 0, cLineScroll);
1087 }
1088 }
1089 break;
1090 default:
1091 if(unicode)
1092 result = DefWindowProcW(wnd->hwndSelf, msg, wParam, lParam);
1093 else
1094 result = DefWindowProcA(wnd->hwndSelf, msg, wParam, lParam);
1095 break;
1096 }
1097 EDIT_UnlockBuffer(wnd, es, FALSE);
1098 END:
1099 return result;
1100 }
1101
1102 /*********************************************************************
1103 *
1104 * EditWndProcW (USER32.@)
1105 */
1106 LRESULT WINAPI EditWndProcW(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
1107 {
1108 LRESULT res;
1109 WND *wndPtr = WIN_FindWndPtr(hWnd);
1110
1111 res = EditWndProc_locked(wndPtr, uMsg, wParam, lParam, TRUE);
1112
1113 WIN_ReleaseWndPtr(wndPtr);
1114 return res;
1115 }
1116
1117 /*********************************************************************
1118 *
1119 * EditWndProcA (USER32.@)
1120 */
1121 LRESULT WINAPI EditWndProcA(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
1122 {
1123 LRESULT res;
1124 WND *wndPtr = WIN_FindWndPtr(hWnd);
1125
1126 res = EditWndProc_locked(wndPtr, uMsg, wParam, lParam, FALSE);
1127
1128 WIN_ReleaseWndPtr(wndPtr);
1129 return res;
1130 }
1131
1132 /*********************************************************************
1133 *
1134 * EDIT_BuildLineDefs_ML
1135 *
1136 * Build linked list of text lines.
1137 * Lines can end with '\0' (last line), a character (if it is wrapped),
1138 * a soft return '\r\r\n' or a hard return '\r\n'
1139 *
1140 */
1141 static void EDIT_BuildLineDefs_ML(WND *wnd, EDITSTATE *es, INT istart, INT iend, INT delta, HRGN hrgn)
1142 {
1143 HDC dc;
1144 HFONT old_font = 0;
1145 LPWSTR current_position, cp;
1146 INT fw;
1147 LINEDEF *current_line;
1148 LINEDEF *previous_line;
1149 LINEDEF *start_line;
1150 INT line_index = 0, nstart_line = 0, nstart_index = 0;
1151 INT line_count = es->line_count;
1152 INT orig_net_length;
1153 RECT rc;
1154
1155 if (istart == iend && delta == 0)
1156 return;
1157
1158 dc = GetDC(wnd->hwndSelf);
1159 if (es->font)
1160 old_font = SelectObject(dc, es->font);
1161
1162 previous_line = NULL;
1163 current_line = es->first_line_def;
1164
1165 /* Find starting line. istart must lie inside an existing line or
1166 * at the end of buffer */
1167 do {
1168 if (istart < current_line->index + current_line->length ||
1169 current_line->ending == END_0)
1170 break;
1171
1172 previous_line = current_line;
1173 current_line = current_line->next;
1174 line_index++;
1175 } while (current_line);
1176
1177 if (!current_line) /* Error occurred start is not inside previous buffer */
1178 {
1179 FIXME(" modification occurred outside buffer\n");
1180 return;
1181 }
1182
1183 /* Remember start of modifications in order to calculate update region */
1184 nstart_line = line_index;
1185 nstart_index = current_line->index;
1186
1187 /* We must start to reformat from the previous line since the modifications
1188 * may have caused the line to wrap upwards. */
1189 if (!(es->style & ES_AUTOHSCROLL) && line_index > 0)
1190 {
1191 line_index--;
1192 current_line = previous_line;
1193 }
1194 start_line = current_line;
1195
1196 fw = es->format_rect.right - es->format_rect.left;
1197 current_position = es->text + current_line->index;
1198 do {
1199 if (current_line != start_line)
1200 {
1201 if (!current_line || current_line->index + delta > current_position - es->text)
1202 {
1203 /* The buffer has been expanded, create a new line and
1204 insert it into the link list */
1205 LINEDEF *new_line = HeapAlloc(GetProcessHeap(), 0, sizeof(LINEDEF));
1206 new_line->next = previous_line->next;
1207 previous_line->next = new_line;
1208 current_line = new_line;
1209 es->line_count++;
1210 }
1211 else if (current_line->index + delta < current_position - es->text)
1212 {
1213 /* The previous line merged with this line so we delete this extra entry */
1214 previous_line->next = current_line->next;
1215 HeapFree(GetProcessHeap(), 0, current_line);
1216 current_line = previous_line->next;
1217 es->line_count--;
1218 continue;
1219 }
1220 else /* current_line->index + delta == current_position */
1221 {
1222 if (current_position - es->text > iend)
1223 break; /* We reached end of line modifications */
1224 /* else recalulate this line */
1225 }
1226 }
1227
1228 current_line->index = current_position - es->text;
1229 orig_net_length = current_line->net_length;
1230
1231 /* Find end of line */
1232 cp = current_position;
1233 while (*cp) {
1234 if ((*cp == '\r') && (*(cp + 1) == '\n'))
1235 break;
1236 cp++;
1237 }
1238
1239 /* Mark type of line termination */
1240 if (!(*cp)) {
1241 current_line->ending = END_0;
1242 current_line->net_length = strlenW(current_position);
1243 } else if ((cp > current_position) && (*(cp - 1) == '\r')) {
1244 current_line->ending = END_SOFT;
1245 current_line->net_length = cp - current_position - 1;
1246 } else {
1247 current_line->ending = END_HARD;
1248 current_line->net_length = cp - current_position;
1249 }
1250
1251 /* Calculate line width */
1252 current_line->width = (INT)LOWORD(GetTabbedTextExtentW(dc,
1253 current_position, current_line->net_length,
1254 es->tabs_count, es->tabs));
1255
1256 /* FIXME: check here for lines that are too wide even in AUTOHSCROLL (> 32767 ???) */
1257 if ((!(es->style & ES_AUTOHSCROLL)) && (current_line->width > fw)) {
1258 INT next = 0;
1259 INT prev;
1260 do {
1261 prev = next;
1262 next = EDIT_CallWordBreakProc(es, current_position - es->text,
1263 prev + 1, current_line->net_length, WB_RIGHT);
1264 current_line->width = (INT)LOWORD(GetTabbedTextExtentW(dc,
1265 current_position, next, es->tabs_count, es->tabs));
1266 } while (current_line->width <= fw);
1267 if (!prev) { /* Didn't find a line break so force a break */
1268 next = 0;
1269 do {
1270 prev = next;
1271 next++;
1272 current_line->width = (INT)LOWORD(GetTabbedTextExtentW(dc,
1273 current_position, next, es->tabs_count, es->tabs));
1274 } while (current_line->width <= fw);
1275 if (!prev)
1276 prev = 1;
1277 }
1278
1279 /* If the first line we are calculating, wrapped before istart, we must
1280 * adjust istart in order for this to be reflected in the update region. */
1281 if (current_line->index == nstart_index && istart > current_line->index + prev)
1282 istart = current_line->index + prev;
1283 /* else if we are updating the previous line before the first line we
1284 * are re-caulculating and it expanded */
1285 else if (current_line == start_line &&
1286 current_line->index != nstart_index && orig_net_length < prev)
1287 {
1288 /* Line expanded due to an upwards line wrap so we must partially include
1289 * previous line in update region */
1290 nstart_line = line_index;
1291 nstart_index = current_line->index;
1292 istart = current_line->index + orig_net_length;
1293 }
1294
1295 current_line->net_length = prev;
1296 current_line->ending = END_WRAP;
1297 current_line->width = (INT)LOWORD(GetTabbedTextExtentW(dc, current_position,
1298 current_line->net_length, es->tabs_count, es->tabs));
1299 }
1300
1301
1302 /* Adjust length to include line termination */
1303 switch (current_line->ending) {
1304 case END_SOFT:
1305 current_line->length = current_line->net_length + 3;
1306 break;
1307 case END_HARD:
1308 current_line->length = current_line->net_length + 2;
1309 break;
1310 case END_WRAP:
1311 case END_0:
1312 current_line->length = current_line->net_length;
1313 break;
1314 }
1315 es->text_width = max(es->text_width, current_line->width);
1316 current_position += current_line->length;
1317 previous_line = current_line;
1318 current_line = current_line->next;
1319 line_index++;
1320 } while (previous_line->ending != END_0);
1321
1322 /* Finish adjusting line index's by delta or remove hanging lines */
1323 if (previous_line->ending == END_0)
1324 {
1325 LINEDEF *pnext = NULL;
1326
1327 previous_line->next = NULL;
1328 while (current_line)
1329 {
1330 pnext = current_line->next;
1331 HeapFree(GetProcessHeap(), 0, current_line);
1332 current_line = pnext;
1333 es->line_count--;
1334 }
1335 }
1336 else
1337 {
1338 while (current_line)
1339 {
1340 current_line->index += delta;
1341 current_line = current_line->next;
1342 }
1343 }
1344
1345 /* Calculate rest of modification rectangle */
1346 if (hrgn)
1347 {
1348 HRGN tmphrgn;
1349 /*
1350 * We calculate two rectangles. One for the first line which may have
1351 * an indent with respect to the format rect. The other is a format-width
1352 * rectangle that spans the rest of the lines that changed or moved.
1353 */
1354 rc.top = es->format_rect.top + nstart_line * es->line_height -
1355 (es->y_offset * es->line_height); /* Adjust for vertical scrollbar */
1356 rc.bottom = rc.top + es->line_height;
1357 rc.left = es->format_rect.left + (INT)LOWORD(GetTabbedTextExtentW(dc,
1358 es->text + nstart_index, istart - nstart_index,
1359 es->tabs_count, es->tabs)) - es->x_offset; /* Adjust for horz scroll */
1360 rc.right = es->format_rect.right;
1361 SetRectRgn(hrgn, rc.left, rc.top, rc.right, rc.bottom);
1362
1363 rc.top = rc.bottom;
1364 rc.left = es->format_rect.left;
1365 rc.right = es->format_rect.right;
1366 /*
1367 * If lines were added or removed we must re-paint the remainder of the
1368 * lines since the remaining lines were either shifted up or down.
1369 */
1370 if (line_count < es->line_count) /* We added lines */
1371 rc.bottom = es->line_count * es->line_height;
1372 else if (line_count > es->line_count) /* We removed lines */
1373 rc.bottom = line_count * es->line_height;
1374 else
1375 rc.bottom = line_index * es->line_height;
1376 rc.bottom -= (es->y_offset * es->line_height); /* Adjust for vertical scrollbar */
1377 tmphrgn = CreateRectRgn(rc.left, rc.top, rc.right, rc.bottom);
1378 CombineRgn(hrgn, hrgn, tmphrgn, RGN_OR);
1379 DeleteObject(tmphrgn);
1380 }
1381
1382 if (es->font)
1383 SelectObject(dc, old_font);
1384
1385 ReleaseDC(wnd->hwndSelf, dc);
1386 }
1387
1388 /*********************************************************************
1389 *
1390 * EDIT_CalcLineWidth_SL
1391 *
1392 */
1393 static void EDIT_CalcLineWidth_SL(WND *wnd, EDITSTATE *es)
1394 {
1395 es->text_width = SLOWORD(EDIT_EM_PosFromChar(wnd, es, strlenW(es->text), FALSE));
1396 }
1397
1398 /*********************************************************************
1399 *
1400 * EDIT_CallWordBreakProc
1401 *
1402 * Call appropriate WordBreakProc (internal or external).
1403 *
1404 * Note: The "start" argument should always be an index refering
1405 * to es->text. The actual wordbreak proc might be
1406 * 16 bit, so we can't always pass any 32 bit LPSTR.
1407 * Hence we assume that es->text is the buffer that holds
1408 * the string under examination (we can decide this for ourselves).
1409 *
1410 */
1411 /* ### start build ### */
1412 extern WORD CALLBACK EDIT_CallTo16_word_lwww(EDITWORDBREAKPROC16,SEGPTR,WORD,WORD,WORD);
1413 /* ### stop build ### */
1414 static INT EDIT_CallWordBreakProc(EDITSTATE *es, INT start, INT index, INT count, INT action)
1415 {
1416 INT ret, iWndsLocks;
1417
1418 /* To avoid any deadlocks, all the locks on the windows structures
1419 must be suspended before the control is passed to the application */
1420 iWndsLocks = WIN_SuspendWndsLock();
1421
1422 if (es->word_break_proc16) {
1423 HGLOBAL16 hglob16;
1424 SEGPTR segptr;
1425 INT countA;
1426
1427 countA = WideCharToMultiByte(CP_ACP, 0, es->text + start, count, NULL, 0, NULL, NULL);
1428 hglob16 = GlobalAlloc16(GMEM_MOVEABLE | GMEM_ZEROINIT, countA);
1429 segptr = K32WOWGlobalLock16(hglob16);
1430 WideCharToMultiByte(CP_ACP, 0, es->text + start, count, MapSL(segptr), countA, NULL, NULL);
1431 ret = (INT)EDIT_CallTo16_word_lwww(es->word_break_proc16,
1432 segptr, index, countA, action);
1433 GlobalUnlock16(hglob16);
1434 GlobalFree16(hglob16);
1435 }
1436 else if (es->word_break_proc)
1437 {
1438 if(es->is_unicode)
1439 {
1440 EDITWORDBREAKPROCW wbpW = (EDITWORDBREAKPROCW)es->word_break_proc;
1441
1442 TRACE_(relay)("(UNICODE wordbrk=%p,str=%s,idx=%d,cnt=%d,act=%d)\n",
1443 es->word_break_proc, debugstr_wn(es->text + start, count), index, count, action);
1444 ret = wbpW(es->text + start, index, count, action);
1445 }
1446 else
1447 {
1448 EDITWORDBREAKPROCA wbpA = (EDITWORDBREAKPROCA)es->word_break_proc;
1449 INT countA;
1450 CHAR *textA;
1451
1452 countA = WideCharToMultiByte(CP_ACP, 0, es->text + start, count, NULL, 0, NULL, NULL);
1453 textA = HeapAlloc(GetProcessHeap(), 0, countA);
1454 WideCharToMultiByte(CP_ACP, 0, es->text + start, count, textA, countA, NULL, NULL);
1455 TRACE_(relay)("(ANSI wordbrk=%p,str=%s,idx=%d,cnt=%d,act=%d)\n",
1456 es->word_break_proc, debugstr_an(textA, countA), index, countA, action);
1457 ret = wbpA(textA, index, countA, action);
1458 HeapFree(GetProcessHeap(), 0, textA);
1459 }
1460 }
1461 else
1462 ret = EDIT_WordBreakProc(es->text + start, index, count, action);
1463
1464 WIN_RestoreWndsLock(iWndsLocks);
1465 return ret;
1466 }
1467
1468
1469 /*********************************************************************
1470 *
1471 * EDIT_CharFromPos
1472 *
1473 * Beware: This is not the function called on EM_CHARFROMPOS
1474 * The position _can_ be outside the formatting / client
1475 * rectangle
1476 * The return value is only the character index
1477 *
1478 */
1479 static INT EDIT_CharFromPos(WND *wnd, EDITSTATE *es, INT x, INT y, LPBOOL after_wrap)
1480 {
1481 INT index;
1482 HDC dc;
1483 HFONT old_font = 0;
1484
1485 if (es->style & ES_MULTILINE) {
1486 INT line = (y - es->format_rect.top) / es->line_height + es->y_offset;
1487 INT line_index = 0;
1488 LINEDEF *line_def = es->first_line_def;
1489 INT low, high;
1490 while ((line > 0) && line_def->next) {
1491 line_index += line_def->length;
1492 line_def = line_def->next;
1493 line--;
1494 }
1495 x += es->x_offset - es->format_rect.left;
1496 if (x >= line_def->width) {
1497 if (after_wrap)
1498 *after_wrap = (line_def->ending == END_WRAP);
1499 return line_index + line_def->net_length;
1500 }
1501 if (x <= 0) {
1502 if (after_wrap)
1503 *after_wrap = FALSE;
1504 return line_index;
1505 }
1506 dc = GetDC(wnd->hwndSelf);
1507 if (es->font)
1508 old_font = SelectObject(dc, es->font);
1509 low = line_index + 1;
1510 high = line_index + line_def->net_length + 1;
1511 while (low < high - 1)
1512 {
1513 INT mid = (low + high) / 2;
1514 if (LOWORD(GetTabbedTextExtentW(dc, es->text + line_index,mid - line_index, es->tabs_count, es->tabs)) > x) high = mid;
1515 else low = mid;
1516 }
1517 index = low;
1518
1519 if (after_wrap)
1520 *after_wrap = ((index == line_index + line_def->net_length) &&
1521 (line_def->ending == END_WRAP));
1522 } else {
1523 LPWSTR text;
1524 SIZE size;
1525 if (after_wrap)
1526 *after_wrap = FALSE;
1527 x -= es->format_rect.left;
1528 if (!x)
1529 return es->x_offset;
1530 text = EDIT_GetPasswordPointer_SL(es);
1531 dc = GetDC(wnd->hwndSelf);
1532 if (es->font)
1533 old_font = SelectObject(dc, es->font);
1534 if (x < 0)
1535 {
1536 INT low = 0;
1537 INT high = es->x_offset;
1538 while (low < high - 1)
1539 {
1540 INT mid = (low + high) / 2;
1541 GetTextExtentPoint32W( dc, text + mid,
1542 es->x_offset - mid, &size );
1543 if (size.cx > -x) low = mid;
1544 else high = mid;
1545 }
1546 index = low;
1547 }
1548 else
1549 {
1550 INT low = es->x_offset;
1551 INT high = strlenW(es->text) + 1;
1552 while (low < high - 1)
1553 {
1554 INT mid = (low + high) / 2;
1555 GetTextExtentPoint32W( dc, text + es->x_offset,
1556 mid - es->x_offset, &size );
1557 if (size.cx > x) high = mid;
1558 else low = mid;
1559 }
1560 index = low;
1561 }
1562 if (es->style & ES_PASSWORD)
1563 HeapFree(GetProcessHeap(), 0, text);
1564 }
1565 if (es->font)
1566 SelectObject(dc, old_font);
1567 ReleaseDC(wnd->hwndSelf, dc);
1568 return index;
1569 }
1570
1571
1572 /*********************************************************************
1573 *
1574 * EDIT_ConfinePoint
1575 *
1576 * adjusts the point to be within the formatting rectangle
1577 * (so CharFromPos returns the nearest _visible_ character)
1578 *
1579 */
1580 static void EDIT_ConfinePoint(EDITSTATE *es, LPINT x, LPINT y)
1581 {
1582 *x = min(max(*x, es->format_rect.left), es->format_rect.right - 1);
1583 *y = min(max(*y, es->format_rect.top), es->format_rect.bottom - 1);
1584 }
1585
1586
1587 /*********************************************************************
1588 *
1589 * EDIT_GetLineRect
1590 *
1591 * Calculates the bounding rectangle for a line from a starting
1592 * column to an ending column.
1593 *
1594 */
1595 static void EDIT_GetLineRect(WND *wnd, EDITSTATE *es, INT line, INT scol, INT ecol, LPRECT rc)
1596 {
1597 INT line_index = EDIT_EM_LineIndex(es, line);
1598
1599 if (es->style & ES_MULTILINE)
1600 rc->top = es->format_rect.top + (line - es->y_offset) * es->line_height;
1601 else
1602 rc->top = es->format_rect.top;
1603 rc->bottom = rc->top + es->line_height;
1604 rc->left = (scol == 0) ? es->format_rect.left : SLOWORD(EDIT_EM_PosFromChar(wnd, es, line_index + scol, TRUE));
1605 rc->right = (ecol == -1) ? es->format_rect.right : SLOWORD(EDIT_EM_PosFromChar(wnd, es, line_index + ecol, TRUE));
1606 }
1607
1608
1609 /*********************************************************************
1610 *
1611 * EDIT_GetPasswordPointer_SL
1612 *
1613 * note: caller should free the (optionally) allocated buffer
1614 *
1615 */
1616 static LPWSTR EDIT_GetPasswordPointer_SL(EDITSTATE *es)
1617 {
1618 if (es->style & ES_PASSWORD) {
1619 INT len = strlenW(es->text);
1620 LPWSTR text = HeapAlloc(GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR));
1621 text[len] = '\0';
1622 while(len) text[--len] = es->password_char;
1623 return text;
1624 } else
1625 return es->text;
1626 }
1627
1628
1629 /*********************************************************************
1630 *
1631 * EDIT_LockBuffer
1632 *
1633 * This acts as a LOCAL_Lock(), but it locks only once. This way
1634 * you can call it whenever you like, without unlocking.
1635 *
1636 */
1637 static void EDIT_LockBuffer(WND *wnd, EDITSTATE *es)
1638 {
1639 if (!es) {
1640 ERR("no EDITSTATE ... please report\n");
1641 return;
1642 }
1643 if (!es->text) {
1644 CHAR *textA = NULL;
1645 UINT countA = 0;
1646 BOOL _16bit = FALSE;
1647
1648 if(es->hloc32W)
1649 {
1650 if(es->hloc32A)
1651 {
1652 TRACE("Synchronizing with 32-bit ANSI buffer\n");
1653 textA = LocalLock(es->hloc32A);
1654 countA = strlen(textA) + 1;
1655 }
1656 else if(es->hloc16)
1657 {
1658 TRACE("Synchronizing with 16-bit ANSI buffer\n");
1659 textA = LOCAL_Lock(wnd->hInstance, es->hloc16);
1660 countA = strlen(textA) + 1;
1661 _16bit = TRUE;
1662 }
1663 }
1664 else {
1665 ERR("no buffer ... please report\n");
1666 return;
1667 }
1668
1669 if(textA)
1670 {
1671 HLOCAL hloc32W_new;
1672 UINT countW_new = MultiByteToWideChar(CP_ACP, 0, textA, countA, NULL, 0);
1673 TRACE("%d bytes translated to %d WCHARs\n", countA, countW_new);
1674 if(countW_new > es->buffer_size + 1)
1675 {
1676 UINT alloc_size = ROUND_TO_GROW(countW_new * sizeof(WCHAR));
1677 TRACE("Resizing 32-bit UNICODE buffer from %d+1 to %d WCHARs\n", es->buffer_size, countW_new);
1678 hloc32W_new = LocalReAlloc(es->hloc32W, alloc_size, LMEM_MOVEABLE | LMEM_ZEROINIT);
1679 if(hloc32W_new)
1680 {
1681 es->hloc32W = hloc32W_new;
1682 es->buffer_size = LocalSize(hloc32W_new)/sizeof(WCHAR) - 1;
1683 TRACE("Real new size %d+1 WCHARs\n", es->buffer_size);
1684 }
1685 else
1686 WARN("FAILED! Will synchronize partially\n");
1687 }
1688 }
1689
1690 /*TRACE("Locking 32-bit UNICODE buffer\n");*/
1691 es->text = LocalLock(es->hloc32W);
1692
1693 if(textA)
1694 {
1695 MultiByteToWideChar(CP_ACP, 0, textA, countA, es->text, es->buffer_size + 1);
1696 if(_16bit)
1697 LOCAL_Unlock(wnd->hInstance, es->hloc16);
1698 else
1699 LocalUnlock(es->hloc32A);
1700 }
1701 }
1702 es->lock_count++;
1703 }
1704
1705
1706 /*********************************************************************
1707 *
1708 * EDIT_SL_InvalidateText
1709 *
1710 * Called from EDIT_InvalidateText().
1711 * Does the job for single-line controls only.
1712 *
1713 */
1714 static void EDIT_SL_InvalidateText(WND *wnd, EDITSTATE *es, INT start, INT end)
1715 {
1716 RECT line_rect;
1717 RECT rc;
1718
1719 EDIT_GetLineRect(wnd, es, 0, start, end, &line_rect);
1720 if (IntersectRect(&rc, &line_rect, &es->format_rect))
1721 EDIT_UpdateText(wnd, &rc, FALSE);
1722 }
1723
1724
1725 /*********************************************************************
1726 *
1727 * EDIT_ML_InvalidateText
1728 *
1729 * Called from EDIT_InvalidateText().
1730 * Does the job for multi-line controls only.
1731 *
1732 */
1733 static void EDIT_ML_InvalidateText(WND *wnd, EDITSTATE *es, INT start, INT end)
1734 {
1735 INT vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
1736 INT sl = EDIT_EM_LineFromChar(es, start);
1737 INT el = EDIT_EM_LineFromChar(es, end);
1738 INT sc;
1739 INT ec;
1740 RECT rc1;
1741 RECT rcWnd;
1742 RECT rcLine;
1743 RECT rcUpdate;
1744 INT l;
1745
1746 if ((el < es->y_offset) || (sl > es->y_offset + vlc))
1747 return;
1748
1749 sc = start - EDIT_EM_LineIndex(es, sl);
1750 ec = end - EDIT_EM_LineIndex(es, el);
1751 if (sl < es->y_offset) {
1752 sl = es->y_offset;
1753 sc = 0;
1754 }
1755 if (el > es->y_offset + vlc) {
1756 el = es->y_offset + vlc;
1757 ec = EDIT_EM_LineLength(es, EDIT_EM_LineIndex(es, el));
1758 }
1759 GetClientRect(wnd->hwndSelf, &rc1);
1760 IntersectRect(&rcWnd, &rc1, &es->format_rect);
1761 if (sl == el) {
1762 EDIT_GetLineRect(wnd, es, sl, sc, ec, &rcLine);
1763 if (IntersectRect(&rcUpdate, &rcWnd, &rcLine))
1764 EDIT_UpdateText(wnd, &rcUpdate, FALSE);
1765 } else {
1766 EDIT_GetLineRect(wnd, es, sl, sc,
1767 EDIT_EM_LineLength(es,
1768 EDIT_EM_LineIndex(es, sl)),
1769 &rcLine);
1770 if (IntersectRect(&rcUpdate, &rcWnd, &rcLine))
1771 EDIT_UpdateText(wnd, &rcUpdate, FALSE);
1772 for (l = sl + 1 ; l < el ; l++) {
1773 EDIT_GetLineRect(wnd, es, l, 0,
1774 EDIT_EM_LineLength(es,
1775 EDIT_EM_LineIndex(es, l)),
1776 &rcLine);
1777 if (IntersectRect(&rcUpdate, &rcWnd, &rcLine))
1778 EDIT_UpdateText(wnd, &rcUpdate, FALSE);
1779 }
1780 EDIT_GetLineRect(wnd, es, el, 0, ec, &rcLine);
1781 if (IntersectRect(&rcUpdate, &rcWnd, &rcLine))
1782 EDIT_UpdateText(wnd, &rcUpdate, FALSE);
1783 }
1784 }
1785
1786
1787 /*********************************************************************
1788 *
1789 * EDIT_InvalidateText
1790 *
1791 * Invalidate the text from offset start upto, but not including,
1792 * offset end. Useful for (re)painting the selection.
1793 * Regions outside the linewidth are not invalidated.
1794 * end == -1 means end == TextLength.
1795 * start and end need not be ordered.
1796 *
1797 */
1798 static void EDIT_InvalidateText(WND *wnd, EDITSTATE *es, INT start, INT end)
1799 {
1800 if (end == start)
1801 return;
1802
1803 if (end == -1)
1804 end = strlenW(es->text);
1805
1806 ORDER_INT(start, end);
1807
1808 if (es->style & ES_MULTILINE)
1809 EDIT_ML_InvalidateText(wnd, es, start, end);
1810 else
1811 EDIT_SL_InvalidateText(wnd, es, start, end);
1812 }
1813
1814
1815 /*********************************************************************
1816 *
1817 * EDIT_MakeFit
1818 *
1819 * Try to fit size + 1 characters in the buffer. Constrain to limits.
1820 *
1821 */
1822 static BOOL EDIT_MakeFit(WND *wnd, EDITSTATE *es, UINT size)
1823 {
1824 HLOCAL hNew32W;
1825
1826 if (size <= es->buffer_size)
1827 return TRUE;
1828 if (size > es->buffer_limit) {
1829 EDIT_NOTIFY_PARENT(es, EN_MAXTEXT, "EN_MAXTEXT");
1830 return FALSE;
1831 }
1832 if (size > es->buffer_limit)
1833 size = es->buffer_limit;
1834
1835 TRACE("trying to ReAlloc to %d+1 characters\n", size);
1836
1837 /* Force edit to unlock it's buffer. es->text now NULL */
1838 EDIT_UnlockBuffer(wnd, es, TRUE);
1839
1840 if (es->hloc32W) {
1841 UINT alloc_size = ROUND_TO_GROW((size + 1) * sizeof(WCHAR));
1842 if ((hNew32W = LocalReAlloc(es->hloc32W, alloc_size, LMEM_MOVEABLE | LMEM_ZEROINIT))) {
1843 TRACE("Old 32 bit handle %08x, new handle %08x\n", es->hloc32W, hNew32W);
1844 es->hloc32W = hNew32W;
1845 es->buffer_size = LocalSize(hNew32W)/sizeof(WCHAR) - 1;
1846 }
1847 }
1848
1849 EDIT_LockBuffer(wnd, es);
1850
1851 if (es->buffer_size < size) {
1852 WARN("FAILED ! We now have %d+1\n", es->buffer_size);
1853 EDIT_NOTIFY_PARENT(es, EN_ERRSPACE, "EN_ERRSPACE");
1854 return FALSE;
1855 } else {
1856 TRACE("We now have %d+1\n", es->buffer_size);
1857 return TRUE;
1858 }
1859 }
1860
1861
1862 /*********************************************************************
1863 *
1864 * EDIT_MakeUndoFit
1865 *
1866 * Try to fit size + 1 bytes in the undo buffer.
1867 *
1868 */
1869 static BOOL EDIT_MakeUndoFit(EDITSTATE *es, UINT size)
1870 {
1871 UINT alloc_size;
1872
1873 if (size <= es->undo_buffer_size)
1874 return TRUE;
1875
1876 TRACE("trying to ReAlloc to %d+1\n", size);
1877
1878 alloc_size = ROUND_TO_GROW((size + 1) * sizeof(WCHAR));
1879 if ((es->undo_text = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, es->undo_text, alloc_size))) {
1880 es->undo_buffer_size = alloc_size/sizeof(WCHAR);
1881 return TRUE;
1882 }
1883 else
1884 {
1885 WARN("FAILED ! We now have %d+1\n", es->undo_buffer_size);
1886 return FALSE;
1887 }
1888 }
1889
1890
1891 /*********************************************************************
1892 *
1893 * EDIT_MoveBackward
1894 *
1895 */
1896 static void EDIT_MoveBackward(WND *wnd, EDITSTATE *es, BOOL extend)
1897 {
1898 INT e = es->selection_end;
1899
1900 if (e) {
1901 e--;
1902 if ((es->style & ES_MULTILINE) && e &&
1903 (es->text[e - 1] == '\r') && (es->text[e] == '\n')) {
1904 e--;
1905 if (e && (es->text[e - 1] == '\r'))
1906 e--;
1907 }
1908 }
1909 EDIT_EM_SetSel(wnd, es, extend ? es->selection_start : e, e, FALSE);
1910 EDIT_EM_ScrollCaret(wnd, es);
1911 }
1912
1913
1914 /*********************************************************************
1915 *
1916 * EDIT_MoveDown_ML
1917 *
1918 * Only for multi line controls
1919 * Move the caret one line down, on a column with the nearest
1920 * x coordinate on the screen (might be a different column).
1921 *
1922 */
1923 static void EDIT_MoveDown_ML(WND *wnd, EDITSTATE *es, BOOL extend)
1924 {
1925 INT s = es->selection_start;
1926 INT e = es->selection_end;
1927 BOOL after_wrap = (es->flags & EF_AFTER_WRAP);
1928 LRESULT pos = EDIT_EM_PosFromChar(wnd, es, e, after_wrap);
1929 INT x = SLOWORD(pos);
1930 INT y = SHIWORD(pos);
1931
1932 e = EDIT_CharFromPos(wnd, es, x, y + es->line_height, &after_wrap);
1933 if (!extend)
1934 s = e;
1935 EDIT_EM_SetSel(wnd, es, s, e, after_wrap);
1936 EDIT_EM_ScrollCaret(wnd, es);
1937 }
1938
1939
1940 /*********************************************************************
1941 *
1942 * EDIT_MoveEnd
1943 *
1944 */
1945 static void EDIT_MoveEnd(WND *wnd, EDITSTATE *es, BOOL extend)
1946 {
1947 BOOL after_wrap = FALSE;
1948 INT e;
1949
1950 /* Pass a high value in x to make sure of receiving the end of the line */
1951 if (es->style & ES_MULTILINE)
1952 e = EDIT_CharFromPos(wnd, es, 0x3fffffff,
1953 HIWORD(EDIT_EM_PosFromChar(wnd, es, es->selection_end, es->flags & EF_AFTER_WRAP)), &after_wrap);
1954 else
1955 e = strlenW(es->text);
1956 EDIT_EM_SetSel(wnd, es, extend ? es->selection_start : e, e, after_wrap);
1957 EDIT_EM_ScrollCaret(wnd, es);
1958 }
1959
1960
1961 /*********************************************************************
1962 *
1963 * EDIT_MoveForward
1964 *
1965 */
1966 static void EDIT_MoveForward(WND *wnd, EDITSTATE *es, BOOL extend)
1967 {
1968 INT e = es->selection_end;
1969
1970 if (es->text[e]) {
1971 e++;
1972 if ((es->style & ES_MULTILINE) && (es->text[e - 1] == '\r')) {
1973 if (es->text[e] == '\n')
1974 e++;
1975 else if ((es->text[e] == '\r') && (es->text[e + 1] == '\n'))
1976 e += 2;
1977 }
1978 }
1979 EDIT_EM_SetSel(wnd, es, extend ? es->selection_start : e, e, FALSE);
1980 EDIT_EM_ScrollCaret(wnd, es);
1981 }
1982
1983
1984 /*********************************************************************
1985 *
1986 * EDIT_MoveHome
1987 *
1988 * Home key: move to beginning of line.
1989 *
1990 */
1991 static void EDIT_MoveHome(WND *wnd, EDITSTATE *es, BOOL extend)
1992 {
1993 INT e;
1994
1995 /* Pass the x_offset in x to make sure of receiving the first position of the line */
1996 if (es->style & ES_MULTILINE)
1997 e = EDIT_CharFromPos(wnd, es, -es->x_offset,
1998 HIWORD(EDIT_EM_PosFromChar(wnd, es, es->selection_end, es->flags & EF_AFTER_WRAP)), NULL);
1999 else
2000 e = 0;
2001 EDIT_EM_SetSel(wnd, es, extend ? es->selection_start : e, e, FALSE);
2002 EDIT_EM_ScrollCaret(wnd, es);
2003 }
2004
2005
2006 /*********************************************************************
2007 *
2008 * EDIT_MovePageDown_ML
2009 *
2010 * Only for multi line controls
2011 * Move the caret one page down, on a column with the nearest
2012 * x coordinate on the screen (might be a different column).
2013 *
2014 */
2015 static void EDIT_MovePageDown_ML(WND *wnd, EDITSTATE *es, BOOL extend)
2016 {
2017 INT s = es->selection_start;
2018 INT e = es->selection_end;
2019 BOOL after_wrap = (es->flags & EF_AFTER_WRAP);
2020 LRESULT pos = EDIT_EM_PosFromChar(wnd, es, e, after_wrap);
2021 INT x = SLOWORD(pos);
2022 INT y = SHIWORD(pos);
2023
2024 e = EDIT_CharFromPos(wnd, es, x,
2025 y + (es->format_rect.bottom - es->format_rect.top),
2026 &after_wrap);
2027 if (!extend)
2028 s = e;
2029 EDIT_EM_SetSel(wnd, es, s, e, after_wrap);
2030 EDIT_EM_ScrollCaret(wnd, es);
2031 }
2032
2033
2034 /*********************************************************************
2035 *
2036 * EDIT_MovePageUp_ML
2037 *
2038 * Only for multi line controls
2039 * Move the caret one page up, on a column with the nearest
2040 * x coordinate on the screen (might be a different column).
2041 *
2042 */
2043 static void EDIT_MovePageUp_ML(WND *wnd, EDITSTATE *es, BOOL extend)
2044 {
2045 INT s = es->selection_start;
2046 INT e = es->selection_end;
2047 BOOL after_wrap = (es->flags & EF_AFTER_WRAP);
2048 LRESULT pos = EDIT_EM_PosFromChar(wnd, es, e, after_wrap);
2049 INT x = SLOWORD(pos);
2050 INT y = SHIWORD(pos);
2051
2052 e = EDIT_CharFromPos(wnd, es, x,
2053 y - (es->format_rect.bottom - es->format_rect.top),
2054 &after_wrap);
2055 if (!extend)
2056 s = e;
2057 EDIT_EM_SetSel(wnd, es, s, e, after_wrap);
2058 EDIT_EM_ScrollCaret(wnd, es);
2059 }
2060
2061
2062 /*********************************************************************
2063 *
2064 * EDIT_MoveUp_ML
2065 *
2066 * Only for multi line controls
2067 * Move the caret one line up, on a column with the nearest
2068 * x coordinate on the screen (might be a different column).
2069 *
2070 */
2071 static void EDIT_MoveUp_ML(WND *wnd, EDITSTATE *es, BOOL extend)
2072 {
2073 INT s = es->selection_start;
2074 INT e = es->selection_end;
2075 BOOL after_wrap = (es->flags & EF_AFTER_WRAP);
2076 LRESULT pos = EDIT_EM_PosFromChar(wnd, es, e, after_wrap);
2077 INT x = SLOWORD(pos);
2078 INT y = SHIWORD(pos);
2079
2080 e = EDIT_CharFromPos(wnd, es, x, y - es->line_height, &after_wrap);
2081 if (!extend)
2082 s = e;
2083 EDIT_EM_SetSel(wnd, es, s, e, after_wrap);
2084 EDIT_EM_ScrollCaret(wnd, es);
2085 }
2086
2087
2088 /*********************************************************************
2089 *
2090 * EDIT_MoveWordBackward
2091 *
2092 */
2093 static void EDIT_MoveWordBackward(WND *wnd, EDITSTATE *es, BOOL extend)
2094 {
2095 INT s = es->selection_start;
2096 INT e = es->selection_end;
2097 INT l;
2098 INT ll;
2099 INT li;
2100
2101 l = EDIT_EM_LineFromChar(es, e);
2102 ll = EDIT_EM_LineLength(es, e);
2103 li = EDIT_EM_LineIndex(es, l);
2104 if (e - li == 0) {
2105 if (l) {
2106 li = EDIT_EM_LineIndex(es, l - 1);
2107 e = li + EDIT_EM_LineLength(es, li);
2108 }
2109 } else {
2110 e = li + (INT)EDIT_CallWordBreakProc(es,
2111 li, e - li, ll, WB_LEFT);
2112 }
2113 if (!extend)
2114 s = e;
2115 EDIT_EM_SetSel(wnd, es, s, e, FALSE);
2116 EDIT_EM_ScrollCaret(wnd, es);
2117 }
2118
2119
2120 /*********************************************************************
2121 *
2122 * EDIT_MoveWordForward
2123 *
2124 */
2125 static void EDIT_MoveWordForward(WND *wnd, EDITSTATE *es, BOOL extend)
2126 {
2127 INT s = es->selection_start;
2128 INT e = es->selection_end;
2129 INT l;
2130 INT ll;
2131 INT li;
2132
2133 l = EDIT_EM_LineFromChar(es, e);
2134 ll = EDIT_EM_LineLength(es, e);
2135 li = EDIT_EM_LineIndex(es, l);
2136 if (e - li == ll) {
2137 if ((es->style & ES_MULTILINE) && (l != es->line_count - 1))
2138 e = EDIT_EM_LineIndex(es, l + 1);
2139 } else {
2140 e = li + EDIT_CallWordBreakProc(es,
2141 li, e - li + 1, ll, WB_RIGHT);
2142 }
2143 if (!extend)
2144 s = e;
2145 EDIT_EM_SetSel(wnd, es, s, e, FALSE);
2146 EDIT_EM_ScrollCaret(wnd, es);
2147 }
2148
2149
2150 /*********************************************************************
2151 *
2152 * EDIT_PaintLine
2153 *
2154 */
2155 static void EDIT_PaintLine(WND *wnd, EDITSTATE *es, HDC dc, INT line, BOOL rev)
2156 {
2157 INT s = es->selection_start;
2158 INT e = es->selection_end;
2159 INT li;
2160 INT ll;
2161 INT x;
2162 INT y;
2163 LRESULT pos;
2164
2165 if (es->style & ES_MULTILINE) {
2166 INT vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
2167 if ((line < es->y_offset) || (line > es->y_offset + vlc) || (line >= es->line_count))
2168 return;
2169 } else if (line)
2170 return;
2171
2172 TRACE("line=%d\n", line);
2173
2174 pos = EDIT_EM_PosFromChar(wnd, es, EDIT_EM_LineIndex(es, line), FALSE);
2175 x = SLOWORD(pos);
2176 y = SHIWORD(pos);
2177 li = EDIT_EM_LineIndex(es, line);
2178 ll = EDIT_EM_LineLength(es, li);
2179 s = es->selection_start;
2180 e = es->selection_end;
2181 ORDER_INT(s, e);
2182 s = min(li + ll, max(li, s));
2183 e = min(li + ll, max(li, e));
2184 if (rev && (s != e) &&
2185 ((es->flags & EF_FOCUSED) || (es->style & ES_NOHIDESEL))) {
2186 x += EDIT_PaintText(es, dc, x, y, line, 0, s - li, FALSE);
2187 x += EDIT_PaintText(es, dc, x, y, line, s - li, e - s, TRUE);
2188 x += EDIT_PaintText(es, dc, x, y, line, e - li, li + ll - e, FALSE);
2189 } else
2190 x += EDIT_PaintText(es, dc, x, y, line, 0, ll, FALSE);
2191 }
2192
2193
2194 /*********************************************************************
2195 *
2196 * EDIT_PaintText
2197 *
2198 */
2199 static INT EDIT_PaintText(EDITSTATE *es, HDC dc, INT x, INT y, INT line, INT col, INT count, BOOL rev)
2200 {
2201 COLORREF BkColor;
2202 COLORREF TextColor;
2203 INT ret;
2204 INT li;
2205 SIZE size;
2206
2207 if (!count)
2208 return 0;
2209 BkColor = GetBkColor(dc);
2210 TextColor = GetTextColor(dc);
2211 if (rev) {
2212 SetBkColor(dc, GetSysColor(COLOR_HIGHLIGHT));
2213 SetTextColor(dc, GetSysColor(COLOR_HIGHLIGHTTEXT));
2214 }
2215 li = EDIT_EM_LineIndex(es, line);
2216 if (es->style & ES_MULTILINE) {
2217 ret = (INT)LOWORD(TabbedTextOutW(dc, x, y, es->text + li + col, count,
2218 es->tabs_count, es->tabs, es->format_rect.left - es->x_offset));
2219 } else {
2220 LPWSTR text = EDIT_GetPasswordPointer_SL(es);
2221 TextOutW(dc, x, y, text + li + col, count);
2222 GetTextExtentPoint32W(dc, text + li + col, count, &size);
2223 ret = size.cx;
2224 if (es->style & ES_PASSWORD)
2225 HeapFree(GetProcessHeap(), 0, text);
2226 }
2227 if (rev) {
2228 SetBkColor(dc, BkColor);
2229 SetTextColor(dc, TextColor);
2230 }
2231 return ret;
2232 }
2233
2234
2235 /*********************************************************************
2236 *
2237 * EDIT_SetCaretPos
2238 *
2239 */
2240 static void EDIT_SetCaretPos(WND *wnd, EDITSTATE *es, INT pos,
2241 BOOL after_wrap)
2242 {
2243 LRESULT res = EDIT_EM_PosFromChar(wnd, es, pos, after_wrap);
2244 SetCaretPos(SLOWORD(res), SHIWORD(res));
2245 }
2246
2247
2248 /*********************************************************************
2249 *
2250 * EDIT_SetRectNP
2251 *
2252 * note: this is not (exactly) the handler called on EM_SETRECTNP
2253 * it is also used to set the rect of a single line control
2254 *
2255 */
2256 static void EDIT_SetRectNP(WND *wnd, EDITSTATE *es, LPRECT rc)
2257 {
2258 CopyRect(&es->format_rect, rc);
2259 if (es->style & WS_BORDER) {
2260 INT bw = GetSystemMetrics(SM_CXBORDER) + 1;
2261 if(TWEAK_WineLook == WIN31_LOOK)
2262 bw += 2;
2263 es->format_rect.left += bw;
2264 es->format_rect.top += bw;
2265 es->format_rect.right -= bw;
2266 es->format_rect.bottom -= bw;
2267 }
2268 es->format_rect.left += es->left_margin;
2269 es->format_rect.right -= es->right_margin;
2270 es->format_rect.right = max(es->format_rect.right, es->format_rect.left + es->char_width);
2271 if (es->style & ES_MULTILINE)
2272 {
2273 INT fw, vlc, max_x_offset, max_y_offset;
2274
2275 vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
2276 es->format_rect.bottom = es->format_rect.top + max(1, vlc) * es->line_height;
2277
2278 /* correct es->x_offset */
2279 fw = es->format_rect.right - es->format_rect.left;
2280 max_x_offset = es->text_width - fw;
2281 if(max_x_offset < 0) max_x_offset = 0;
2282 if(es->x_offset > max_x_offset)
2283 es->x_offset = max_x_offset;
2284
2285 /* correct es->y_offset */
2286 max_y_offset = es->line_count - vlc;
2287 if(max_y_offset < 0) max_y_offset = 0;
2288 if(es->y_offset > max_y_offset)
2289 es->y_offset = max_y_offset;
2290
2291 /* force scroll info update */
2292 EDIT_UpdateScrollInfo(wnd, es);
2293 }
2294 else
2295 /* Windows doesn't care to fix text placement for SL controls */
2296 es->format_rect.bottom = es->format_rect.top + es->line_height;
2297
2298 if ((es->style & ES_MULTILINE) && !(es->style & ES_AUTOHSCROLL))
2299 EDIT_BuildLineDefs_ML(wnd, es, 0, strlenW(es->text), 0, (HRGN)0);
2300 }
2301
2302
2303 /*********************************************************************
2304 *
2305 * EDIT_UnlockBuffer
2306 *
2307 */
2308 static void EDIT_UnlockBuffer(WND *wnd, EDITSTATE *es, BOOL force)
2309 {
2310 /* Edit window might be already destroyed */
2311 if(!IsWindow(wnd->hwndSelf))
2312 {
2313 WARN("edit wnd %04x already destroyed\n", wnd->hwndSelf);
2314 return;
2315 }
2316
2317 if (!es) {
2318 ERR("no EDITSTATE ... please report\n");
2319 return;
2320 }
2321 if (!es->lock_count) {
2322 ERR("lock_count == 0 ... please report\n");
2323 return;
2324 }
2325 if (!es->text) {
2326 ERR("es->text == 0 ... please report\n");
2327 return;
2328 }
2329
2330 if (force || (es->lock_count == 1)) {
2331 if (es->hloc32W) {
2332 CHAR *textA = NULL;
2333 BOOL _16bit = FALSE;
2334 UINT countA = 0;
2335 UINT countW = strlenW(es->text) + 1;
2336
2337 if(es->hloc32A)
2338 {
2339 UINT countA_new = WideCharToMultiByte(CP_ACP, 0, es->text, countW, NULL, 0, NULL, NULL);
2340 TRACE("Synchronizing with 32-bit ANSI buffer\n");
2341 TRACE("%d WCHARs translated to %d bytes\n", countW, countA_new);
2342 countA = LocalSize(es->hloc32A);
2343 if(countA_new > countA)
2344 {
2345 HLOCAL hloc32A_new;
2346 UINT alloc_size = ROUND_TO_GROW(countA_new);
2347 TRACE("Resizing 32-bit ANSI buffer from %d to %d bytes\n", countA, alloc_size);
2348 hloc32A_new = LocalReAlloc(es->hloc32A, alloc_size, LMEM_MOVEABLE | LMEM_ZEROINIT);
2349 if(hloc32A_new)
2350 {
2351 es->hloc32A = hloc32A_new;
2352 countA = LocalSize(hloc32A_new);
2353 TRACE("Real new size %d bytes\n", countA);
2354 }
2355 else
2356 WARN("FAILED! Will synchronize partially\n");
2357 }
2358 textA = LocalLock(es->hloc32A);
2359 }
2360 else if(es->hloc16)
2361 {
2362 UINT countA_new = WideCharToMultiByte(CP_ACP, 0, es->text, countW, NULL, 0, NULL, NULL);
2363 TRACE("Synchronizing with 16-bit ANSI buffer\n");
2364 TRACE("%d WCHARs translated to %d bytes\n", countW, countA_new);
2365 countA = LOCAL_Size(wnd->hInstance, es->hloc16);
2366 if(countA_new > countA)
2367 {
2368 HLOCAL16 hloc16_new;
2369 UINT alloc_size = ROUND_TO_GROW(countA_new);
2370 TRACE("Resizing 16-bit ANSI buffer from %d to %d bytes\n", countA, alloc_size);
2371 hloc16_new = LOCAL_ReAlloc(wnd->hInstance, es->hloc16, alloc_size, LMEM_MOVEABLE | LMEM_ZEROINIT);
2372 if(hloc16_new)
2373 {
2374 es->hloc16 = hloc16_new;
2375 countA = LOCAL_Size(wnd->hInstance, hloc16_new);
2376 TRACE("Real new size %d bytes\n", countA);
2377 }
2378 else
2379 WARN("FAILED! Will synchronize partially\n");
2380 }
2381 textA = LOCAL_Lock(wnd->hInstance, es->hloc16);
2382 _16bit = TRUE;
2383 }
2384
2385 if(textA)
2386 {
2387 WideCharToMultiByte(CP_ACP, 0, es->text, countW, textA, countA, NULL, NULL);
2388 if(_16bit)
2389 LOCAL_Unlock(wnd->hInstance, es->hloc16);
2390 else
2391 LocalUnlock(es->hloc32A);
2392 }
2393
2394 LocalUnlock(es->hloc32W);
2395 es->text = NULL;
2396 }
2397 else {
2398 ERR("no buffer ... please report\n");
2399 return;
2400 }
2401 }
2402 es->lock_count--;
2403 }
2404
2405
2406 /*********************************************************************
2407 *
2408 * EDIT_UpdateScrollInfo
2409 *
2410 */
2411 static void EDIT_UpdateScrollInfo(WND *wnd, EDITSTATE *es)
2412 {
2413 if ((es->style & WS_VSCROLL) && !(es->flags & EF_VSCROLL_TRACK))
2414 {
2415 SCROLLINFO si;
2416 si.cbSize = sizeof(SCROLLINFO);
2417 si.fMask = SIF_PAGE | SIF_POS | SIF_RANGE | SIF_DISABLENOSCROLL;
2418 si.nMin = 0;
2419 si.nMax = es->line_count - 1;
2420 si.nPage = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
2421 si.nPos = es->y_offset;
2422 TRACE("SB_VERT, nMin=%d, nMax=%d, nPage=%d, nPos=%d\n",
2423 si.nMin, si.nMax, si.nPage, si.nPos);
2424 SetScrollInfo(wnd->hwndSelf, SB_VERT, &si, TRUE);
2425 }
2426
2427 if ((es->style & WS_HSCROLL) && !(es->flags & EF_HSCROLL_TRACK))
2428 {
2429 SCROLLINFO si;
2430 si.cbSize = sizeof(SCROLLINFO);
2431 si.fMask = SIF_PAGE | SIF_POS | SIF_RANGE | SIF_DISABLENOSCROLL;
2432 si.nMin = 0;
2433 si.nMax = es->text_width - 1;
2434 si.nPage = es->format_rect.right - es->format_rect.left;
2435 si.nPos = es->x_offset;
2436 TRACE("SB_HORZ, nMin=%d, nMax=%d, nPage=%d, nPos=%d\n",
2437 si.nMin, si.nMax, si.nPage, si.nPos);
2438 SetScrollInfo(wnd->hwndSelf, SB_HORZ, &si, TRUE);
2439 }
2440 }
2441
2442 /*********************************************************************
2443 *
2444 * EDIT_WordBreakProc
2445 *
2446 * Find the beginning of words.
2447 * Note: unlike the specs for a WordBreakProc, this function only
2448 * allows to be called without linebreaks between s[0] upto
2449 * s[count - 1]. Remember it is only called
2450 * internally, so we can decide this for ourselves.
2451 *
2452 */
2453 static INT CALLBACK EDIT_WordBreakProc(LPWSTR s, INT index, INT count, INT action)
2454 {
2455 INT ret = 0;
2456
2457 TRACE("s=%p, index=%d, count=%d, action=%d\n", s, index, count, action);
2458
2459 if(!s) return 0;
2460
2461 switch (action) {
2462 case WB_LEFT:
2463 if (!count)
2464 break;
2465 if (index)
2466 index--;
2467 if (s[index] == ' ') {
2468 while (index && (s[index] == ' '))
2469 index--;
2470 if (index) {
2471 while (index && (s[index] != ' '))
2472 index--;
2473 if (s[index] == ' ')
2474 index++;
2475 }
2476 } else {
2477 while (index && (s[index] != ' '))
2478 index--;
2479 if (s[index] == ' ')
2480 index++;
2481 }
2482 ret = index;
2483 break;
2484 case WB_RIGHT:
2485 if (!count)
2486 break;
2487 if (index)
2488 index--;
2489 if (s[index] == ' ')
2490 while ((index < count) && (s[index] == ' ')) index++;
2491 else {
2492 while (s[index] && (s[index] != ' ') && (index < count))
2493 index++;
2494 while ((s[index] == ' ') && (index < count)) index++;
2495 }
2496 ret = index;
2497 break;
2498 case WB_ISDELIMITER:
2499 ret = (s[index] == ' ');
2500 break;
2501 default:
2502 ERR("unknown action code, please report !\n");
2503 break;
2504 }
2505 return ret;
2506 }
2507
2508
2509 /*********************************************************************
2510 *
2511 * EM_CHARFROMPOS
2512 *
2513 * returns line number (not index) in high-order word of result.
2514 * NB : Q137805 is unclear about this. POINT * pointer in lParam apply
2515 * to Richedit, not to the edit control. Original documentation is valid.
2516 * FIXME: do the specs mean to return -1 if outside client area or
2517 * if outside formatting rectangle ???
2518 *
2519 */
2520 static LRESULT EDIT_EM_CharFromPos(WND *wnd, EDITSTATE *es, INT x, INT y)
2521 {
2522 POINT pt;
2523 RECT rc;
2524 INT index;
2525
2526 pt.x = x;
2527 pt.y = y;
2528 GetClientRect(wnd->hwndSelf, &rc);
2529 if (!PtInRect(&rc, pt))
2530 return -1;
2531
2532 index = EDIT_CharFromPos(wnd, es, x, y, NULL);
2533 return MAKELONG(index, EDIT_EM_LineFromChar(es, index));
2534 }
2535
2536
2537 /*********************************************************************
2538 *
2539 * EM_FMTLINES
2540 *
2541 * Enable or disable soft breaks.
2542 */
2543 static BOOL EDIT_EM_FmtLines(EDITSTATE *es, BOOL add_eol)
2544 {
2545 es->flags &= ~EF_USE_SOFTBRK;
2546 if (add_eol) {
2547 es->flags |= EF_USE_SOFTBRK;
2548 FIXME("soft break enabled, not implemented\n");
2549 }
2550 return add_eol;
2551 }
2552
2553
2554 /*********************************************************************
2555 *
2556 * EM_GETHANDLE
2557 *
2558 * Hopefully this won't fire back at us.
2559 * We always start with a fixed buffer in the local heap.
2560 * Despite of the documentation says that the local heap is used
2561 * only if DS_LOCALEDIT flag is set, NT and 2000 always allocate
2562 * buffer on the local heap.
2563 *
2564 */
2565 static HLOCAL EDIT_EM_GetHandle(EDITSTATE *es)
2566 {
2567 HLOCAL hLocal;
2568
2569 if (!(es->style & ES_MULTILINE))
2570 return 0;
2571
2572 if(es->is_unicode)
2573 hLocal = es->hloc32W;
2574 else
2575 {
2576 if(!es->hloc32A)
2577 {
2578 CHAR *textA;
2579 UINT countA, alloc_size;
2580 TRACE("Allocating 32-bit ANSI alias buffer\n");
2581 countA = WideCharToMultiByte(CP_ACP, 0, es->text, -1, NULL, 0, NULL, NULL);
2582 alloc_size = ROUND_TO_GROW(countA);
2583 if(!(es->hloc32A = LocalAlloc(LMEM_MOVEABLE | LMEM_ZEROINIT, alloc_size)))
2584 {
2585 ERR("Could not allocate %d bytes for 32-bit ANSI alias buffer\n", alloc_size);
2586 return 0;
2587 }
2588 textA = LocalLock(es->hloc32A);
2589 WideCharToMultiByte(CP_ACP, 0, es->text, -1, textA, countA, NULL, NULL);
2590 LocalUnlock(es->hloc32A);
2591 }
2592 hLocal = es->hloc32A;
2593 }
2594
2595 TRACE("Returning %04X, LocalSize() = %d\n", hLocal, LocalSize(hLocal));
2596 return hLocal;
2597 }
2598
2599
2600 /*********************************************************************
2601 *
2602 * EM_GETHANDLE16
2603 *
2604 * Hopefully this won't fire back at us.
2605 * We always start with a buffer in 32 bit linear memory.
2606 * However, with this message a 16 bit application requests
2607 * a handle of 16 bit local heap memory, where it expects to find
2608 * the text.
2609 * It's a pitty that from this moment on we have to use this
2610 * local heap, because applications may rely on the handle
2611 * in the future.
2612 *
2613 * In this function we'll try to switch to local heap.
2614 */
2615 static HLOCAL16 EDIT_EM_GetHandle16(WND *wnd, EDITSTATE *es)
2616 {
2617 CHAR *textA;
2618 UINT countA, alloc_size;
2619
2620 if (!(es->style & ES_MULTILINE))
2621 return 0;
2622
2623 if (es->hloc16)
2624 return es->hloc16;
2625
2626 if (!LOCAL_HeapSize(wnd->hInstance)) {
2627 if (!LocalInit16(wnd->hInstance, 0,
2628 GlobalSize16(wnd->hInstance))) {
2629 ERR("could not initialize local heap\n");
2630 return 0;
2631 }
2632 TRACE("local heap initialized\n");
2633 }
2634
2635 countA = WideCharToMultiByte(CP_ACP, 0, es->text, -1, NULL, 0, NULL, NULL);
2636 alloc_size = ROUND_TO_GROW(countA);
2637
2638 TRACE("Allocating 16-bit ANSI alias buffer\n");
2639 if (!(es->hloc16 = LOCAL_Alloc(wnd->hInstance, LMEM_MOVEABLE | LMEM_ZEROINIT, alloc_size))) {
2640 ERR("could not allocate new 16 bit buffer\n");
2641 return 0;
2642 }
2643
2644 if (!(textA = (LPSTR)LOCAL_Lock(wnd->hInstance, es->hloc16))) {
2645 ERR("could not lock new 16 bit buffer\n");
2646 LOCAL_Free(wnd->hInstance, es->hloc16);
2647 es->hloc16 = 0;
2648 return 0;
2649 }
2650
2651 WideCharToMultiByte(CP_ACP, 0, es->text, -1, textA, countA, NULL, NULL);
2652 LOCAL_Unlock(wnd->hInstance, es->hloc16);
2653
2654 TRACE("Returning %04X, LocalSize() = %d\n", es->hloc16, LOCAL_Size(wnd->hInstance, es->hloc16));
2655 return es->hloc16;
2656 }
2657
2658
2659 /*********************************************************************
2660 *
2661 * EM_GETLINE
2662 *
2663 */
2664 static INT EDIT_EM_GetLine(EDITSTATE *es, INT line, LPARAM lParam, BOOL unicode)
2665 {
2666 LPWSTR src;
2667 INT line_len, dst_len;
2668 INT i;
2669
2670 if (es->style & ES_MULTILINE) {
2671 if (line >= es->line_count)
2672 return 0;
2673 } else
2674 line = 0;
2675 i = EDIT_EM_LineIndex(es, line);
2676 src = es->text + i;
2677 line_len = EDIT_EM_LineLength(es, i);
2678 dst_len = *(WORD *)lParam;
2679 if(unicode)
2680 {
2681 LPWSTR dst = (LPWSTR)lParam;
2682 if(dst_len <= line_len)
2683 {
2684 memcpy(dst, src, dst_len * sizeof(WCHAR));
2685 return dst_len;
2686 }
2687 else /* Append 0 if enough space */
2688 {
2689 memcpy(dst, src, line_len * sizeof(WCHAR));
2690 dst[line_len] = 0;
2691 return line_len;
2692 }
2693 }
2694 else
2695 {
2696 LPSTR dst = (LPSTR)lParam;
2697 INT ret;
2698 ret = WideCharToMultiByte(CP_ACP, 0, src, line_len, dst, dst_len, NULL, NULL);
2699 if(!ret) /* Insufficient buffer size */
2700 return dst_len;
2701 if(ret < dst_len) /* Append 0 if enough space */
2702 dst[ret] = 0;
2703 return ret;
2704 }
2705 }
2706
2707
2708 /*********************************************************************
2709 *
2710 * EM_GETSEL
2711 *
2712 */
2713 static LRESULT EDIT_EM_GetSel(EDITSTATE *es, LPUINT start, LPUINT end)
2714 {
2715 UINT s = es->selection_start;
2716 UINT e = es->selection_end;
2717
2718 ORDER_UINT(s, e);
2719 if (start)
2720 *start = s;
2721 if (end)
2722 *end = e;
2723 return MAKELONG(s, e);
2724 }
2725
2726
2727 /*********************************************************************
2728 *
2729 * EM_GETTHUMB
2730 *
2731 * FIXME: is this right ? (or should it be only VSCROLL)
2732 * (and maybe only for edit controls that really have their
2733 * own scrollbars) (and maybe only for multiline controls ?)
2734 * All in all: very poorly documented
2735 *
2736 */
2737 static LRESULT EDIT_EM_GetThumb(WND *wnd, EDITSTATE *es)
2738 {
2739 return MAKELONG(EDIT_WM_VScroll(wnd, es, EM_GETTHUMB16, 0),
2740 EDIT_WM_HScroll(wnd, es, EM_GETTHUMB16, 0));
2741 }
2742
2743
2744 /*********************************************************************
2745 *
2746 * EM_LINEFROMCHAR
2747 *
2748 */
2749 static INT EDIT_EM_LineFromChar(EDITSTATE *es, INT index)
2750 {
2751 INT line;
2752 LINEDEF *line_def;
2753
2754 if (!(es->style & ES_MULTILINE))
2755 return 0;
2756 if (index > (INT)strlenW(es->text))
2757 return es->line_count - 1;
2758 if (index == -1)
2759 index = min(es->selection_start, es->selection_end);
2760
2761 line = 0;
2762 line_def = es->first_line_def;
2763 index -= line_def->length;
2764 while ((index >= 0) && line_def->next) {
2765 line++;
2766 line_def = line_def->next;
2767 index -= line_def->length;
2768 }
2769 return line;
2770 }
2771
2772
2773 /*********************************************************************
2774 *
2775 * EM_LINEINDEX
2776 *
2777 */
2778 static INT EDIT_EM_LineIndex(EDITSTATE *es, INT line)
2779 {
2780 INT line_index;
2781 LINEDEF *line_def;
2782
2783 if (!(es->style & ES_MULTILINE))
2784 return 0;
2785 if (line >= es->line_count)
2786 return -1;
2787
2788 line_index = 0;
2789 line_def = es->first_line_def;
2790 if (line == -1) {
2791 INT index = es->selection_end - line_def->length;
2792 while ((index >= 0) && line_def->next) {
2793 line_index += line_def->length;
2794 line_def = line_def->next;
2795 index -= line_def->length;
2796 }
2797 } else {
2798 while (line > 0) {
2799 line_index += line_def->length;
2800 line_def = line_def->next;
2801 line--;
2802 }
2803 }
2804 return line_index;
2805 }
2806
2807
2808 /*********************************************************************
2809 *
2810 * EM_LINELENGTH
2811 *
2812 */
2813 static INT EDIT_EM_LineLength(EDITSTATE *es, INT index)
2814 {
2815 LINEDEF *line_def;
2816
2817 if (!(es->style & ES_MULTILINE))
2818 return strlenW(es->text);
2819
2820 if (index == -1) {
2821 /* get the number of remaining non-selected chars of selected lines */
2822 INT32 li;
2823 INT32 count;
2824 li = EDIT_EM_LineFromChar(es, es->selection_start);
2825 /* # chars before start of selection area */
2826 count = es->selection_start - EDIT_EM_LineIndex(es, li);
2827 li = EDIT_EM_LineFromChar(es, es->selection_end);
2828 /* # chars after end of selection */
2829 count += EDIT_EM_LineIndex(es, li) +
2830 EDIT_EM_LineLength(es, li) - es->selection_end;
2831 return count;
2832 }
2833 line_def = es->first_line_def;
2834 index -= line_def->length;
2835 while ((index >= 0) && line_def->next) {
2836 line_def = line_def->next;
2837 index -= line_def->length;
2838 }
2839 return line_def->net_length;
2840 }
2841
2842
2843 /*********************************************************************
2844 *
2845 * EM_LINESCROLL
2846 *
2847 * NOTE: dx is in average character widths, dy - in lines;
2848 *
2849 */
2850 static BOOL EDIT_EM_LineScroll(WND *wnd, EDITSTATE *es, INT dx, INT dy)
2851 {
2852 if (!(es->style & ES_MULTILINE))
2853 return FALSE;
2854
2855 dx *= es->char_width;
2856 return EDIT_EM_LineScroll_internal(wnd, es, dx, dy);
2857 }
2858
2859 /*********************************************************************
2860 *
2861 * EDIT_EM_LineScroll_internal
2862 *
2863 * Version of EDIT_EM_LineScroll for internal use.
2864 * It doesn't refuse if ES_MULTILINE is set and assumes that
2865 * dx is in pixels, dy - in lines.
2866 *
2867 */
2868 static BOOL EDIT_EM_LineScroll_internal(WND *wnd, EDITSTATE *es, INT dx, INT dy)
2869 {
2870 INT nyoff;
2871 INT x_offset_in_pixels;
2872
2873 if (es->style & ES_MULTILINE)
2874 {
2875 x_offset_in_pixels = es->x_offset;
2876 }
2877 else
2878 {
2879 dy = 0;
2880 x_offset_in_pixels = SLOWORD(EDIT_EM_PosFromChar(wnd, es, es->x_offset, FALSE));
2881 }
2882
2883 if (-dx > x_offset_in_pixels)
2884 dx = -x_offset_in_pixels;
2885 if (dx > es->text_width - x_offset_in_pixels)
2886 dx = es->text_width - x_offset_in_pixels;
2887 nyoff = max(0, es->y_offset + dy);
2888 if (nyoff >= es->line_count)
2889 nyoff = es->line_count - 1;
2890 dy = (es->y_offset - nyoff) * es->line_height;
2891 if (dx || dy) {
2892 RECT rc1;
2893 RECT rc;
2894
2895 es->y_offset = nyoff;
2896 if(es->style & ES_MULTILINE)
2897 es->x_offset += dx;
2898 else
2899 es->x_offset += dx / es->char_width;
2900
2901 GetClientRect(wnd->hwndSelf, &rc1);
2902 IntersectRect(&rc, &rc1, &es->format_rect);
2903 ScrollWindowEx(wnd->hwndSelf, -dx, dy,
2904 NULL, &rc, (HRGN)NULL, NULL, SW_INVALIDATE);
2905 /* force scroll info update */
2906 EDIT_UpdateScrollInfo(wnd, es);
2907 }
2908 if (dx && !(es->flags & EF_HSCROLL_TRACK))
2909 EDIT_NOTIFY_PARENT(es, EN_HSCROLL, "EN_HSCROLL");
2910 if (dy && !(es->flags & EF_VSCROLL_TRACK))
2911 EDIT_NOTIFY_PARENT(es, EN_VSCROLL, "EN_VSCROLL");
2912 return TRUE;
2913 }
2914
2915
2916 /*********************************************************************
2917 *
2918 * EM_POSFROMCHAR
2919 *
2920 */
2921 static LRESULT EDIT_EM_PosFromChar(WND *wnd, EDITSTATE *es, INT index, BOOL after_wrap)
2922 {
2923 INT len = strlenW(es->text);
2924 INT l;
2925 INT li;
2926 INT x;
2927 INT y = 0;
2928 HDC dc;
2929 HFONT old_font = 0;
2930 SIZE size;
2931
2932 index = min(index, len);
2933 dc = GetDC(wnd->hwndSelf);
2934 if (es->font)
2935 old_font = SelectObject(dc, es->font);
2936 if (es->style & ES_MULTILINE) {
2937 l = EDIT_EM_LineFromChar(es, index);
2938 y = (l - es->y_offset) * es->line_height;
2939 li = EDIT_EM_LineIndex(es, l);
2940 if (after_wrap && (li == index) && l) {
2941 INT l2 = l - 1;
2942 LINEDEF *line_def = es->first_line_def;
2943 while (l2) {
2944 line_def = line_def->next;
2945 l2--;
2946 }
2947 if (line_def->ending == END_WRAP) {
2948 l--;
2949 y -= es->line_height;
2950 li = EDIT_EM_LineIndex(es, l);
2951 }
2952 }
2953 x = LOWORD(GetTabbedTextExtentW(dc, es->text + li, index - li,
2954 es->tabs_count, es->tabs)) - es->x_offset;
2955 } else {
2956 LPWSTR text = EDIT_GetPasswordPointer_SL(es);
2957 if (index < es->x_offset) {
2958 GetTextExtentPoint32W(dc, text + index,
2959 es->x_offset - index, &size);
2960 x = -size.cx;
2961 } else {
2962 GetTextExtentPoint32W(dc, text + es->x_offset,
2963 index - es->x_offset, &size);
2964 x = size.cx;
2965 }
2966 y = 0;
2967 if (es->style & ES_PASSWORD)
2968 HeapFree(GetProcessHeap(), 0, text);
2969 }
2970 x += es->format_rect.left;
2971 y += es->format_rect.top;
2972 if (es->font)
2973 SelectObject(dc, old_font);
2974 ReleaseDC(wnd->hwndSelf, dc);
2975 return MAKELONG((INT16)x, (INT16)y);
2976 }
2977
2978
2979 /*********************************************************************
2980 *
2981 * EM_REPLACESEL
2982 *
2983 * FIXME: handle ES_NUMBER and ES_OEMCONVERT here
2984 *
2985 */
2986 static void EDIT_EM_ReplaceSel(WND *wnd, EDITSTATE *es, BOOL can_undo, LPCWSTR lpsz_replace, BOOL send_update)
2987 {
2988 UINT strl = strlenW(lpsz_replace);
2989 UINT tl = strlenW(es->text);
2990 UINT utl;
2991 UINT s;
2992 UINT e;
2993 UINT i;
2994 LPWSTR p;
2995 HRGN hrgn = 0;
2996
2997 TRACE("%s, can_undo %d, send_update %d\n",
2998 debugstr_w(lpsz_replace), can_undo, send_update);
2999
3000 s = es->selection_start;
3001 e = es->selection_end;
3002
3003 if ((s == e) && !strl)
3004 return;
3005
3006 ORDER_UINT(s, e);
3007
3008 if (!EDIT_MakeFit(wnd, es, tl - (e - s) + strl))
3009 return;
3010
3011 if (e != s) {
3012 /* there is something to be deleted */
3013 if (can_undo) {
3014 utl = strlenW(es->undo_text);
3015 if (!es->undo_insert_count && (*es->undo_text && (s == es->undo_position))) {
3016 /* undo-buffer is extended to the right */
3017 EDIT_MakeUndoFit(es, utl + e - s);
3018 strncpyW(es->undo_text + utl, es->text + s, e - s + 1);
3019 (es->undo_text + utl)[e - s] = 0; /* ensure 0 termination */
3020 } else if (!es->undo_insert_count && (*es->undo_text && (e == es->undo_position))) {
3021 /* undo-buffer is extended to the left */
3022 EDIT_MakeUndoFit(es, utl + e - s);
3023 for (p = es->undo_text + utl ; p >= es->undo_text ; p--)
3024 p[e - s] = p[0];
3025 for (i = 0 , p = es->undo_text ; i < e - s ; i++)
3026 p[i] = (es->text + s)[i];
3027 es->undo_position = s;
3028 } else {
3029 /* new undo-buffer */
3030 EDIT_MakeUndoFit(es, e - s);
3031 strncpyW(es->undo_text, es->text + s, e - s + 1);
3032 es->undo_text[e - s] = 0; /* ensure 0 termination */
3033 es->undo_position = s;
3034 }
3035 /* any deletion makes the old insertion-undo invalid */
3036 es->undo_insert_count = 0;
3037 } else
3038 EDIT_EM_EmptyUndoBuffer(es);
3039
3040 /* now delete */
3041 strcpyW(es->text + s, es->text + e);
3042 }
3043 if (strl) {
3044 /* there is an insertion */
3045 if (can_undo) {
3046 if ((s == es->undo_position) ||
3047 ((es->undo_insert_count) &&
3048 (s == es->undo_position + es->undo_insert_count)))
3049 /*
3050 * insertion is new and at delete position or
3051 * an extension to either left or right
3052 */
3053 es->undo_insert_count += strl;
3054 else {
3055 /* new insertion undo */
3056 es->undo_position = s;
3057 es->undo_insert_count = strl;
3058 /* new insertion makes old delete-buffer invalid */
3059 *es->undo_text = '\0';
3060 }
3061 } else
3062 EDIT_EM_EmptyUndoBuffer(es);
3063
3064 /* now insert */
3065 tl = strlenW(es->text);
3066 for (p = es->text + tl ; p >= es->text + s ; p--)
3067 p[strl] = p[0];
3068 for (i = 0 , p = es->text + s ; i < strl ; i++)
3069 p[i] = lpsz_replace[i];
3070 if(es->style & ES_UPPERCASE)
3071 CharUpperBuffW(p, strl);
3072 else if(es->style & ES_LOWERCASE)
3073 CharLowerBuffW(p, strl);
3074 s += strl;
3075 }
3076 if (es->style & ES_MULTILINE)
3077 {
3078 INT s = min(es->selection_start, es->selection_end);
3079
3080 hrgn = CreateRectRgn(0, 0, 0, 0);
3081 EDIT_BuildLineDefs_ML(wnd, es, s, s + strl,
3082 strl - (es->selection_end - es->selection_start), hrgn);
3083 }
3084 else
3085 EDIT_CalcLineWidth_SL(wnd, es);
3086
3087 EDIT_EM_SetSel(wnd, es, s, s, FALSE);
3088 es->flags |= EF_MODIFIED;
3089 if (send_update) es->flags |= EF_UPDATE;
3090 EDIT_EM_ScrollCaret(wnd, es);
3091
3092 /* force scroll info update */
3093 EDIT_UpdateScrollInfo(wnd, es);
3094
3095 if (hrgn)
3096 {
3097 EDIT_UpdateTextRegion(wnd, hrgn, TRUE);
3098 DeleteObject(hrgn);
3099 }
3100 else
3101 EDIT_UpdateText(wnd, NULL, TRUE);
3102
3103 if(es->flags & EF_UPDATE)
3104 {
3105 es->flags &= ~EF_UPDATE;
3106 EDIT_NOTIFY_PARENT(es, EN_CHANGE, "EN_CHANGE");
3107 }
3108 }
3109
3110
3111 /*********************************************************************
3112 *
3113 * EM_SCROLL
3114 *
3115 */
3116 static LRESULT EDIT_EM_Scroll(WND *wnd, EDITSTATE *es, INT action)
3117 {
3118 INT dy;
3119
3120 if (!(es->style & ES_MULTILINE))
3121 return (LRESULT)FALSE;
3122
3123 dy = 0;
3124
3125 switch (action) {
3126 case SB_LINEUP:
3127 if (es->y_offset)
3128 dy = -1;
3129 break;
3130 case SB_LINEDOWN:
3131 if (es->y_offset < es->line_count - 1)
3132 dy = 1;
3133 break;
3134 case SB_PAGEUP:
3135 if (es->y_offset)
3136 dy = -(es->format_rect.bottom - es->format_rect.top) / es->line_height;
3137 break;
3138 case SB_PAGEDOWN:
3139 if (es->y_offset < es->line_count - 1)
3140 dy = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
3141 break;
3142 default:
3143 return (LRESULT)FALSE;
3144 }
3145 if (dy) {
3146 INT vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
3147 /* check if we are going to move too far */
3148 if(es->y_offset + dy > es->line_count - vlc)
3149 dy = es->line_count - vlc - es->y_offset;
3150
3151 /* Notification is done in EDIT_EM_LineScroll */
3152 if(dy)
3153 EDIT_EM_LineScroll(wnd, es, 0, dy);
3154 }
3155 return MAKELONG((INT16)dy, (BOOL16)TRUE);
3156 }
3157
3158
3159 /*********************************************************************
3160 *
3161 * EM_SCROLLCARET
3162 *
3163 */
3164 static void EDIT_EM_ScrollCaret(WND *wnd, EDITSTATE *es)
3165 {
3166 if (es->style & ES_MULTILINE) {
3167 INT l;
3168 INT li;
3169 INT vlc;
3170 INT ww;
3171 INT cw = es->char_width;
3172 INT x;
3173 INT dy = 0;
3174 INT dx = 0;
3175
3176 l = EDIT_EM_LineFromChar(es, es->selection_end);
3177 li = EDIT_EM_LineIndex(es, l);
3178 x = SLOWORD(EDIT_EM_PosFromChar(wnd, es, es->selection_end, es->flags & EF_AFTER_WRAP));
3179 vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
3180 if (l >= es->y_offset + vlc)
3181 dy = l - vlc + 1 - es->y_offset;
3182 if (l < es->y_offset)
3183 dy = l - es->y_offset;
3184 ww = es->format_rect.right - es->format_rect.left;
3185 if (x < es->format_rect.left)
3186 dx = x - es->format_rect.left - ww / HSCROLL_FRACTION / cw * cw;
3187 if (x > es->format_rect.right)
3188 dx = x - es->format_rect.left - (HSCROLL_FRACTION - 1) * ww / HSCROLL_FRACTION / cw * cw;
3189 if (dy || dx)
3190 {
3191 /* check if we are going to move too far */
3192 if(es->x_offset + dx + ww > es->text_width)
3193 dx = es->text_width - ww - es->x_offset;
3194 if(dx || dy)
3195 EDIT_EM_LineScroll_internal(wnd, es, dx, dy);
3196 }
3197 } else {
3198 INT x;
3199 INT goal;
3200 INT format_width;
3201
3202 if (!(es->style & ES_AUTOHSCROLL))
3203 return;
3204
3205 x = SLOWORD(EDIT_EM_PosFromChar(wnd, es, es->selection_end, FALSE));
3206 format_width = es->format_rect.right - es->format_rect.left;
3207 if (x < es->format_rect.left) {
3208 goal = es->format_rect.left + format_width / HSCROLL_FRACTION;
3209 do {
3210 es->x_offset--;
3211 x = SLOWORD(EDIT_EM_PosFromChar(wnd, es, es->selection_end, FALSE));
3212 } while ((x < goal) && es->x_offset);
3213 /* FIXME: use ScrollWindow() somehow to improve performance */
3214 EDIT_UpdateText(wnd, NULL, TRUE);
3215 } else if (x > es->format_rect.right) {
3216 INT x_last;
3217 INT len = strlenW(es->text);
3218 goal = es->format_rect.right - format_width / HSCROLL_FRACTION;
3219 do {
3220 es->x_offset++;
3221 x = SLOWORD(EDIT_EM_PosFromChar(wnd, es, es->selection_end, FALSE));
3222 x_last = SLOWORD(EDIT_EM_PosFromChar(wnd, es, len, FALSE));
3223 } while ((x > goal) && (x_last > es->format_rect.right));
3224 /* FIXME: use ScrollWindow() somehow to improve performance */
3225 EDIT_UpdateText(wnd, NULL, TRUE);
3226 }
3227 }
3228
3229 if(es->flags & EF_FOCUSED)
3230 EDIT_SetCaretPos(wnd, es, es->selection_end, es->flags & EF_AFTER_WRAP);
3231 }
3232
3233
3234 /*********************************************************************
3235 *
3236 * EM_SETHANDLE
3237 *
3238 * FIXME: ES_LOWERCASE, ES_UPPERCASE, ES_OEMCONVERT, ES_NUMBER ???
3239 *
3240 */
3241 static void EDIT_EM_SetHandle(WND *wnd, EDITSTATE *es, HLOCAL hloc)
3242 {
3243 if (!(es->style & ES_MULTILINE))
3244 return;
3245
3246 if (!hloc) {
3247 WARN("called with NULL handle\n");
3248 return;
3249 }
3250
3251 EDIT_UnlockBuffer(wnd, es, TRUE);
3252
3253 if(es->hloc16)
3254 {
3255 LOCAL_Free(wnd->hInstance, es->hloc16);
3256 es->hloc16 = (HLOCAL16)NULL;
3257 }
3258
3259 if(es->is_unicode)
3260 {
3261 if(es->hloc32A)
3262 {
3263 LocalFree(es->hloc32A);
3264 es->hloc32A = (HLOCAL)NULL;
3265 }
3266 es->hloc32W = hloc;
3267 }
3268 else
3269 {
3270 INT countW, countA;
3271 HLOCAL hloc32W_new;
3272 WCHAR *textW;
3273 CHAR *textA;
3274
3275 countA = LocalSize(hloc);
3276 textA = LocalLock(hloc);
3277 countW = MultiByteToWideChar(CP_ACP, 0, textA, countA, NULL, 0);
3278 if(!(hloc32W_new = LocalAlloc(LMEM_MOVEABLE | LMEM_ZEROINIT, countW * sizeof(WCHAR))))
3279 {
3280 ERR("Could not allocate new unicode buffer\n");
3281 return;
3282 }
3283 textW = LocalLock(hloc32W_new);
3284 MultiByteToWideChar(CP_ACP, 0, textA, countA, textW, countW);
3285 LocalUnlock(hloc32W_new);
3286 LocalUnlock(hloc);
3287
3288 if(es->hloc32W)
3289 LocalFree(es->hloc32W);
3290
3291 es->hloc32W = hloc32W_new;
3292 es->hloc32A = hloc;
3293 }
3294
3295 es->buffer_size = LocalSize(es->hloc32W)/sizeof(WCHAR) - 1;
3296
3297 EDIT_LockBuffer(wnd, es);
3298
3299 es->x_offset = es->y_offset = 0;
3300 es->selection_start = es->selection_end = 0;
3301 EDIT_EM_EmptyUndoBuffer(es);
3302 es->flags &= ~EF_MODIFIED;
3303 es->flags &= ~EF_UPDATE;
3304 EDIT_BuildLineDefs_ML(wnd, es, 0, strlenW(es->text), 0, (HRGN)0);
3305 EDIT_UpdateText(wnd, NULL, TRUE);
3306 EDIT_EM_ScrollCaret(wnd, es);
3307 /* force scroll info update */
3308 EDIT_UpdateScrollInfo(wnd, es);
3309 }
3310
3311
3312 /*********************************************************************
3313 *
3314 * EM_SETHANDLE16
3315 *
3316 * FIXME: ES_LOWERCASE, ES_UPPERCASE, ES_OEMCONVERT, ES_NUMBER ???
3317 *
3318 */
3319 static void EDIT_EM_SetHandle16(WND *wnd, EDITSTATE *es, HLOCAL16 hloc)
3320 {
3321 INT countW, countA;
3322 HLOCAL hloc32W_new;
3323 WCHAR *textW;
3324 CHAR *textA;
3325
3326 if (!(es->style & ES_MULTILINE))
3327 return;
3328
3329 if (!hloc) {
3330 WARN("called with NULL handle\n");
3331 return;
3332 }
3333
3334 EDIT_UnlockBuffer(wnd, es, TRUE);
3335
3336 if(es->hloc32A)
3337 {
3338 LocalFree(es->hloc32A);
3339 es->hloc32A = (HLOCAL)NULL;
3340 }
3341
3342 countA = LOCAL_Size(wnd->hInstance, hloc);
3343 textA = LOCAL_Lock(wnd->hInstance, hloc);
3344 countW = MultiByteToWideChar(CP_ACP, 0, textA, countA, NULL, 0);
3345 if(!(hloc32W_new = LocalAlloc(LMEM_MOVEABLE | LMEM_ZEROINIT, countW * sizeof(WCHAR))))
3346 {
3347 ERR("Could not allocate new unicode buffer\n");
3348 return;
3349 }
3350 textW = LocalLock(hloc32W_new);
3351 MultiByteToWideChar(CP_ACP, 0, textA, countA, textW, countW);
3352 LocalUnlock(hloc32W_new);
3353 LOCAL_Unlock(wnd->hInstance, hloc);
3354
3355 if(es->hloc32W)
3356 LocalFree(es->hloc32W);
3357
3358 es->hloc32W = hloc32W_new;
3359 es->hloc16 = hloc;
3360
3361 es->buffer_size = LocalSize(es->hloc32W)/sizeof(WCHAR) - 1;
3362
3363 EDIT_LockBuffer(wnd, es);
3364
3365 es->x_offset = es->y_offset = 0;
3366 es->selection_start = es->selection_end = 0;
3367 EDIT_EM_EmptyUndoBuffer(es);
3368 es->flags &= ~EF_MODIFIED;
3369 es->flags &= ~EF_UPDATE;
3370 EDIT_BuildLineDefs_ML(wnd, es, 0, strlenW(es->text), 0, (HRGN)0);
3371 EDIT_UpdateText(wnd, NULL, TRUE);
3372 EDIT_EM_ScrollCaret(wnd, es);
3373 /* force scroll info update */
3374 EDIT_UpdateScrollInfo(wnd, es);
3375 }
3376
3377
3378 /*********************************************************************
3379 *
3380 * EM_SETLIMITTEXT
3381 *
3382 * FIXME: in WinNT maxsize is 0x7FFFFFFF / 0xFFFFFFFF
3383 * However, the windows version is not complied to yet in all of edit.c
3384 *
3385 */
3386 static void EDIT_EM_SetLimitText(EDITSTATE *es, INT limit)
3387 {
3388 if (es->style & ES_MULTILINE) {
3389 if (limit)
3390 es->buffer_limit = min(limit, BUFLIMIT_MULTI);
3391 else
3392 es->buffer_limit = BUFLIMIT_MULTI;
3393 } else {
3394 if (limit)
3395 es->buffer_limit = min(limit, BUFLIMIT_SINGLE);
3396 else
3397 es->buffer_limit = BUFLIMIT_SINGLE;
3398 }
3399 }
3400
3401
3402 /*********************************************************************
3403 *
3404 * EM_SETMARGINS
3405 *
3406 * EC_USEFONTINFO is used as a left or right value i.e. lParam and not as an
3407 * action wParam despite what the docs say. EC_USEFONTINFO means one third
3408 * of the char's width, according to the new docs.
3409 *
3410 */
3411 static void EDIT_EM_SetMargins(EDITSTATE *es, INT action,
3412 INT left, INT right)
3413 {
3414 if (action & EC_LEFTMARGIN) {
3415 if (left != EC_USEFONTINFO)
3416 es->left_margin = left;
3417 else
3418 es->left_margin = es->char_width / 3;
3419 }
3420
3421 if (action & EC_RIGHTMARGIN) {
3422 if (right != EC_USEFONTINFO)
3423 es->right_margin = right;
3424 else
3425 es->right_margin = es->char_width / 3;
3426 }
3427 TRACE("left=%d, right=%d\n", es->left_margin, es->right_margin);
3428 }
3429
3430
3431 /*********************************************************************
3432 *
3433 * EM_SETPASSWORDCHAR
3434 *
3435 */
3436 static void EDIT_EM_SetPasswordChar(WND *wnd, EDITSTATE *es, WCHAR c)
3437 {
3438 if (es->style & ES_MULTILINE)
3439 return;
3440
3441 if (es->password_char == c)
3442 return;
3443
3444 es->password_char = c;
3445 if (c) {
3446 wnd->dwStyle |= ES_PASSWORD;
3447 es->style |= ES_PASSWORD;
3448 } else {
3449 wnd->dwStyle &= ~ES_PASSWORD;
3450 es->style &= ~ES_PASSWORD;
3451 }
3452 EDIT_UpdateText(wnd, NULL, TRUE);
3453 }
3454
3455
3456 /*********************************************************************
3457 *
3458 * EDIT_EM_SetSel
3459 *
3460 * note: unlike the specs say: the order of start and end
3461 * _is_ preserved in Windows. (i.e. start can be > end)
3462 * In other words: this handler is OK
3463 *
3464 */
3465 static void EDIT_EM_SetSel(WND *wnd, EDITSTATE *es, UINT start, UINT end, BOOL after_wrap)
3466 {
3467 UINT old_start = es->selection_start;
3468 UINT old_end = es->selection_end;
3469 UINT len = strlenW(es->text);
3470
3471 if (start == (UINT)-1) {
3472 start = es->selection_end;
3473 end = es->selection_end;
3474 } else {
3475 start = min(start, len);
3476 end = min(end, len);
3477 }
3478 es->selection_start = start;
3479 es->selection_end = end;
3480 if (after_wrap)
3481 es->flags |= EF_AFTER_WRAP;
3482 else
3483 es->flags &= ~EF_AFTER_WRAP;
3484 /* This is a little bit more efficient than before, not sure if it can be improved. FIXME? */
3485 ORDER_UINT(start, end);
3486 ORDER_UINT(end, old_end);
3487 ORDER_UINT(start, old_start);
3488 ORDER_UINT(old_start, old_end);
3489 if (end != old_start)
3490 {
3491 /*
3492 * One can also do
3493 * ORDER_UINT32(end, old_start);
3494 * EDIT_InvalidateText(wnd, es, start, end);
3495 * EDIT_InvalidateText(wnd, es, old_start, old_end);
3496 * in place of the following if statement.
3497 */
3498 if (old_start > end )
3499 {
3500 EDIT_InvalidateText(wnd, es, start, end);
3501 EDIT_InvalidateText(wnd, es, old_start, old_end);
3502 }
3503 else
3504 {
3505 EDIT_InvalidateText(wnd, es, start, old_start);
3506 EDIT_InvalidateText(wnd, es, end, old_end);
3507 }
3508 }
3509 else EDIT_InvalidateText(wnd, es, start, old_end);
3510 }
3511
3512
3513 /*********************************************************************
3514 *
3515 * EM_SETTABSTOPS
3516 *
3517 */
3518 static BOOL EDIT_EM_SetTabStops(EDITSTATE *es, INT count, LPINT tabs)
3519 {
3520 if (!(es->style & ES_MULTILINE))
3521 return FALSE;
3522 if (es->tabs)
3523 HeapFree(GetProcessHeap(), 0, es->tabs);
3524 es->tabs_count = count;
3525 if (!count)
3526 es->tabs = NULL;
3527 else {
3528 es->tabs = HeapAlloc(GetProcessHeap(), 0, count * sizeof(INT));
3529 memcpy(es->tabs, tabs, count * sizeof(INT));
3530 }
3531 return TRUE;
3532 }
3533
3534
3535 /*********************************************************************
3536 *
3537 * EM_SETTABSTOPS16
3538 *
3539 */
3540 static BOOL EDIT_EM_SetTabStops16(EDITSTATE *es, INT count, LPINT16 tabs)
3541 {
3542 if (!(es->style & ES_MULTILINE))
3543 return FALSE;
3544 if (es->tabs)
3545 HeapFree(GetProcessHeap(), 0, es->tabs);
3546 es->tabs_count = count;
3547 if (!count)
3548 es->tabs = NULL;
3549 else {
3550 INT i;
3551 es->tabs = HeapAlloc(GetProcessHeap(), 0, count * sizeof(INT));
3552 for (i = 0 ; i < count ; i++)
3553 es->tabs[i] = *tabs++;
3554 }
3555 return TRUE;
3556 }
3557
3558
3559 /*********************************************************************
3560 *
3561 * EM_SETWORDBREAKPROC
3562 *
3563 */
3564 static void EDIT_EM_SetWordBreakProc(WND *wnd, EDITSTATE *es, LPARAM lParam)
3565 {
3566 if (es->word_break_proc == (void *)lParam)
3567 return;
3568
3569 es->word_break_proc = (void *)lParam;
3570 es->word_break_proc16 = NULL;
3571
3572 if ((es->style & ES_MULTILINE) && !(es->style & ES_AUTOHSCROLL)) {
3573 EDIT_BuildLineDefs_ML(wnd, es, 0, strlenW(es->text), 0, (HRGN)0);
3574 EDIT_UpdateText(wnd, NULL, TRUE);
3575 }
3576 }
3577
3578
3579 /*********************************************************************
3580 *
3581 * EM_SETWORDBREAKPROC16
3582 *
3583 */
3584 static void EDIT_EM_SetWordBreakProc16(WND *wnd, EDITSTATE *es, EDITWORDBREAKPROC16 wbp)
3585 {
3586 if (es->word_break_proc16 == wbp)
3587 return;
3588
3589 es->word_break_proc = NULL;
3590 es->word_break_proc16 = wbp;
3591 if ((es->style & ES_MULTILINE) && !(es->style & ES_AUTOHSCROLL)) {
3592 EDIT_BuildLineDefs_ML(wnd, es, 0, strlenW(es->text), 0, (HRGN)0);
3593 EDIT_UpdateText(wnd, NULL, TRUE);
3594 }
3595 }
3596
3597
3598 /*********************************************************************
3599 *
3600 * EM_UNDO / WM_UNDO
3601 *
3602 */
3603 static BOOL EDIT_EM_Undo(WND *wnd, EDITSTATE *es)
3604 {
3605 INT ulength;
3606 LPWSTR utext;
3607
3608 /* Protect read-only edit control from modification */
3609 if(es->style & ES_READONLY)
3610 return FALSE;
3611
3612 ulength = strlenW(es->undo_text);
3613 utext = HeapAlloc(GetProcessHeap(), 0, (ulength + 1) * sizeof(WCHAR));
3614
3615 strcpyW(utext, es->undo_text);
3616
3617 TRACE("before UNDO:insertion length = %d, deletion buffer = %s\n",
3618 es->undo_insert_count, debugstr_w(utext));
3619
3620 EDIT_EM_SetSel(wnd, es, es->undo_position, es->undo_position + es->undo_insert_count, FALSE);
3621 EDIT_EM_EmptyUndoBuffer(es);
3622 EDIT_EM_ReplaceSel(wnd, es, TRUE, utext, FALSE);
3623 EDIT_EM_SetSel(wnd, es, es->undo_position, es->undo_position + es->undo_insert_count, FALSE);
3624 /* send the notification after the selection start and end are set */
3625 EDIT_NOTIFY_PARENT(es, EN_CHANGE, "EN_CHANGE");
3626 EDIT_EM_ScrollCaret(wnd, es);
3627 HeapFree(GetProcessHeap(), 0, utext);
3628
3629 TRACE("after UNDO:insertion length = %d, deletion buffer = %s\n",
3630 es->undo_insert_count, debugstr_w(es->undo_text));
3631 return TRUE;
3632 }
3633
3634
3635 /*********************************************************************
3636 *
3637 * WM_CHAR
3638 *
3639 */
3640 static void EDIT_WM_Char(WND *wnd, EDITSTATE *es, WCHAR c)
3641 {
3642 BOOL control;
3643
3644 /* Protect read-only edit control from modification */
3645 if(es->style & ES_READONLY)
3646 return;
3647
3648 control = GetKeyState(VK_CONTROL) & 0x8000;
3649
3650 switch (c) {
3651 case '\r':
3652 /* If the edit doesn't want the return and it's not a multiline edit, do nothing */
3653 if(!(es->style & ES_MULTILINE) && !(es->style & ES_WANTRETURN))
3654 break;
3655 case '\n':
3656 if (es->style & ES_MULTILINE) {
3657 if (es->style & ES_READONLY) {
3658 EDIT_MoveHome(wnd, es, FALSE);
3659 EDIT_MoveDown_ML(wnd, es, FALSE);
3660 } else {
3661 static const WCHAR cr_lfW[] = {'\r','\n',0};
3662 EDIT_EM_ReplaceSel(wnd, es, TRUE, cr_lfW, TRUE);
3663 }
3664 }
3665 break;
3666 case '\t':
3667 if ((es->style & ES_MULTILINE) && !(es->style & ES_READONLY))
3668 {
3669 static const WCHAR tabW[] = {'\t',0};
3670 EDIT_EM_ReplaceSel(wnd, es, TRUE, tabW, TRUE);
3671 }
3672 break;
3673 case VK_BACK:
3674 if (!(es->style & ES_READONLY) && !control) {
3675 if (es->selection_start != es->selection_end)
3676 EDIT_WM_Clear(wnd, es);
3677 else {
3678 /* delete character left of caret */
3679 EDIT_EM_SetSel(wnd, es, (UINT)-1, 0, FALSE);
3680 EDIT_MoveBackward(wnd, es, TRUE);
3681 EDIT_WM_Clear(wnd, es);
3682 }
3683 }
3684 break;
3685 case 0x03: /* ^C */
3686 SendMessageW(wnd->hwndSelf, WM_COPY, 0, 0);
3687 break;
3688 case 0x16: /* ^V */
3689 SendMessageW(wnd->hwndSelf, WM_PASTE, 0, 0);
3690 break;
3691 case 0x18: /* ^X */
3692 SendMessageW(wnd->hwndSelf, WM_CUT, 0, 0);
3693 break;
3694
3695 default:
3696 if (!(es->style & ES_READONLY) && (c >= ' ') && (c != 127)) {
3697 WCHAR str[2];
3698 str[0] = c;
3699 str[1] = '\0';
3700 EDIT_EM_ReplaceSel(wnd, es, TRUE, str, TRUE);
3701 }
3702 break;
3703 }
3704 }
3705
3706
3707 /*********************************************************************
3708 *
3709 * WM_COMMAND
3710 *
3711 */
3712 static void EDIT_WM_Command(WND *wnd, EDITSTATE *es, INT code, INT id, HWND control)
3713 {
3714 if (code || control)
3715 return;
3716
3717 switch (id) {
3718 case EM_UNDO:
3719 EDIT_EM_Undo(wnd, es);
3720 break;
3721 case WM_CUT:
3722 EDIT_WM_Cut(wnd, es);
3723 break;
3724 case WM_COPY:
3725 EDIT_WM_Copy(wnd, es);
3726 break;
3727 case WM_PASTE:
3728 EDIT_WM_Paste(wnd, es);
3729 break;
3730 case WM_CLEAR:
3731 EDIT_WM_Clear(wnd, es);
3732 break;
3733 case EM_SETSEL:
3734 EDIT_EM_SetSel(wnd, es, 0, (UINT)-1, FALSE);
3735 EDIT_EM_ScrollCaret(wnd, es);
3736 break;
3737 default:
3738 ERR("unknown menu item, please report\n");
3739 break;
3740 }
3741 }
3742
3743
3744 /*********************************************************************
3745 *
3746 * WM_CONTEXTMENU
3747 *
3748 * Note: the resource files resource/sysres_??.rc cannot define a
3749 * single popup menu. Hence we use a (dummy) menubar
3750 * containing the single popup menu as its first item.
3751 *
3752 * FIXME: the message identifiers have been chosen arbitrarily,
3753 * hence we use MF_BYPOSITION.
3754 * We might as well use the "real" values (anybody knows ?)
3755 * The menu definition is in resources/sysres_??.rc.
3756 * Once these are OK, we better use MF_BYCOMMAND here
3757 * (as we do in EDIT_WM_Command()).
3758 *
3759 */
3760 static void EDIT_WM_ContextMenu(WND *wnd, EDITSTATE *es, INT x, INT y)
3761 {
3762 HMENU menu = LoadMenuA(GetModuleHandleA("USER32"), "EDITMENU");
3763 HMENU popup = GetSubMenu(menu, 0);
3764 UINT start = es->selection_start;
3765 UINT end = es->selection_end;
3766
3767 ORDER_UINT(start, end);
3768
3769 /* undo */
3770 EnableMenuItem(popup, 0, MF_BYPOSITION | (EDIT_EM_CanUndo(es) && !(es->style & ES_READONLY) ? MF_ENABLED : MF_GRAYED));
3771 /* cut */
3772 EnableMenuItem(popup, 2, MF_BYPOSITION | ((end - start) && !(es->style & ES_PASSWORD) && !(es->style & ES_READONLY) ? MF_ENABLED : MF_GRAYED));
3773 /* copy */
3774 EnableMenuItem(popup, 3, MF_BYPOSITION | ((end - start) && !(es->style & ES_PASSWORD) ? MF_ENABLED : MF_GRAYED));
3775 /* paste */
3776 EnableMenuItem(popup, 4, MF_BYPOSITION | (IsClipboardFormatAvailable(CF_UNICODETEXT) && !(es->style & ES_READONLY) ? MF_ENABLED : MF_GRAYED));
3777 /* delete */
3778 EnableMenuItem(popup, 5, MF_BYPOSITION | ((end - start) && !(es->style & ES_READONLY) ? MF_ENABLED : MF_GRAYED));
3779 /* select all */
3780 EnableMenuItem(popup, 7, MF_BYPOSITION | (start || (end != strlenW(es->text)) ? MF_ENABLED : MF_GRAYED));
3781
3782 TrackPopupMenu(popup, TPM_LEFTALIGN | TPM_RIGHTBUTTON, x, y, 0, wnd->hwndSelf, NULL);
3783 DestroyMenu(menu);
3784 }
3785
3786
3787 /*********************************************************************
3788 *
3789 * WM_COPY
3790 *
3791 */
3792 static void EDIT_WM_Copy(WND *wnd, EDITSTATE *es)
3793 {
3794 INT s = es->selection_start;
3795 INT e = es->selection_end;
3796 HGLOBAL hdst;
3797 LPWSTR dst;
3798
3799 if (e == s)
3800 return;
3801 ORDER_INT(s, e);
3802 hdst = GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE, (DWORD)(e - s + 1) * sizeof(WCHAR));
3803 dst = GlobalLock(hdst);
3804 strncpyW(dst, es->text + s, e - s);
3805 dst[e - s] = 0; /* ensure 0 termination */
3806 TRACE("%s\n", debugstr_w(dst));
3807 GlobalUnlock(hdst);
3808 OpenClipboard(wnd->hwndSelf);
3809 EmptyClipboard();
3810 SetClipboardData(CF_UNICODETEXT, hdst);
3811 CloseClipboard();
3812 }
3813
3814
3815 /*********************************************************************
3816 *
3817 * WM_CREATE
3818 *
3819 */
3820 static LRESULT EDIT_WM_Create(WND *wnd, EDITSTATE *es, LPCWSTR name)
3821 {
3822 TRACE("%s\n", debugstr_w(name));
3823 /*
3824 * To initialize some final structure members, we call some helper
3825 * functions. However, since the EDITSTATE is not consistent (i.e.
3826 * not fully initialized), we should be very careful which
3827 * functions can be called, and in what order.
3828 */
3829 EDIT_WM_SetFont(wnd, es, 0, FALSE);
3830 EDIT_EM_EmptyUndoBuffer(es);
3831
3832 if (name && *name) {
3833 EDIT_EM_ReplaceSel(wnd, es, FALSE, name, FALSE);
3834 /* if we insert text to the editline, the text scrolls out
3835 * of the window, as the caret is placed after the insert
3836 * pos normally; thus we reset es->selection... to 0 and
3837 * update caret
3838 */
3839 es->selection_start = es->selection_end = 0;
3840 /* send the notification after the selection start and end are set */
3841 EDIT_NOTIFY_PARENT(es, EN_CHANGE, "EN_CHANGE");
3842 EDIT_EM_ScrollCaret(wnd, es);
3843 }
3844 /* force scroll info update */
3845 EDIT_UpdateScrollInfo(wnd, es);
3846 return 0;
3847 }
3848
3849
3850 /*********************************************************************
3851 *
3852 * WM_DESTROY
3853 *
3854 */
3855 static void EDIT_WM_Destroy(WND *wnd, EDITSTATE *es)
3856 {
3857 LINEDEF *pc, *pp;
3858
3859 if (es->hloc32W) {
3860 while (LocalUnlock(es->hloc32W)) ;
3861 LocalFree(es->hloc32W);
3862 }
3863 if (es->hloc32A) {
3864 while (LocalUnlock(es->hloc32A)) ;
3865 LocalFree(es->hloc32A);
3866 }
3867 if (es->hloc16) {
3868 while (LOCAL_Unlock(wnd->hInstance, es->hloc16)) ;
3869 LOCAL_Free(wnd->hInstance, es->hloc16);
3870 }
3871
3872 pc = es->first_line_def;
3873 while (pc)
3874 {
3875 pp = pc->next;
3876 HeapFree(GetProcessHeap(), 0, pc);
3877 pc = pp;
3878 }
3879
3880 HeapFree(GetProcessHeap(), 0, es);
3881 *(EDITSTATE **)wnd->wExtra = NULL;
3882 }
3883
3884
3885 /*********************************************************************
3886 *
3887 * WM_ERASEBKGND
3888 *
3889 */
3890 static LRESULT EDIT_WM_EraseBkGnd(WND *wnd, EDITSTATE *es, HDC dc)
3891 {
3892 HBRUSH brush;
3893 RECT rc;
3894
3895 if ( get_app_version() >= 0x40000 &&(
3896 !es->bEnableState || (es->style & ES_READONLY)))
3897 brush = (HBRUSH)EDIT_SEND_CTLCOLORSTATIC(wnd, dc);
3898 else
3899 brush = (HBRUSH)EDIT_SEND_CTLCOLOR(wnd, dc);
3900
3901 if (!brush)
3902 brush = (HBRUSH)GetStockObject(WHITE_BRUSH);
3903
3904 GetClientRect(wnd->hwndSelf, &rc);
3905 IntersectClipRect(dc, rc.left, rc.top, rc.right, rc.bottom);
3906 GetClipBox(dc, &rc);
3907 /*
3908 * FIXME: specs say that we should UnrealizeObject() the brush,
3909 * but the specs of UnrealizeObject() say that we shouldn't
3910 * unrealize a stock object. The default brush that
3911 * DefWndProc() returns is ... a stock object.
3912 */
3913 FillRect(dc, &rc, brush);
3914 return -1;
3915 }
3916
3917
3918 /*********************************************************************
3919 *
3920 * WM_GETTEXT
3921 *
3922 */
3923 static INT EDIT_WM_GetText(EDITSTATE *es, INT count, LPARAM lParam, BOOL unicode)
3924 {
3925 if(!count) return 0;
3926
3927 if(unicode)
3928 {
3929 LPWSTR textW = (LPWSTR)lParam;
3930 strncpyW(textW, es->text, count);
3931 textW[count - 1] = 0; /* ensure 0 termination */
3932 return strlenW(textW);
3933 }
3934 else
3935 {
3936 LPSTR textA = (LPSTR)lParam;
3937 WideCharToMultiByte(CP_ACP, 0, es->text, -1, textA, count, NULL, NULL);
3938 textA[count - 1] = 0; /* ensure 0 termination */
3939 return strlen(textA);
3940 }
3941 }
3942
3943 /*********************************************************************
3944 *
3945 * WM_HSCROLL
3946 *
3947 */
3948 static LRESULT EDIT_WM_HScroll(WND *wnd, EDITSTATE *es, INT action, INT pos)
3949 {
3950 INT dx;
3951 INT fw;
3952
3953 if (!(es->style & ES_MULTILINE))
3954 return 0;
3955
3956 if (!(es->style & ES_AUTOHSCROLL))
3957 return 0;
3958
3959 dx = 0;
3960 fw = es->format_rect.right - es->format_rect.left;
3961 switch (action) {
3962 case SB_LINELEFT:
3963 TRACE("SB_LINELEFT\n");
3964 if (es->x_offset)
3965 dx = -es->char_width;
3966 break;
3967 case SB_LINERIGHT:
3968 TRACE("SB_LINERIGHT\n");
3969 if (es->x_offset < es->text_width)
3970 dx = es->char_width;
3971 break;
3972 case SB_PAGELEFT:
3973 TRACE("SB_PAGELEFT\n");
3974 if (es->x_offset)
3975 dx = -fw / HSCROLL_FRACTION / es->char_width * es->char_width;
3976 break;
3977 case SB_PAGERIGHT:
3978 TRACE("SB_PAGERIGHT\n");
3979 if (es->x_offset < es->text_width)
3980 dx = fw / HSCROLL_FRACTION / es->char_width * es->char_width;
3981 break;
3982 case SB_LEFT:
3983 TRACE("SB_LEFT\n");
3984 if (es->x_offset)
3985 dx = -es->x_offset;
3986 break;
3987 case SB_RIGHT:
3988 TRACE("SB_RIGHT\n");
3989 if (es->x_offset < es->text_width)
3990 dx = es->text_width - es->x_offset;
3991 break;
3992 case SB_THUMBTRACK:
3993 TRACE("SB_THUMBTRACK %d\n", pos);
3994 es->flags |= EF_HSCROLL_TRACK;
3995 if(es->style & WS_HSCROLL)
3996 dx = pos - es->x_offset;
3997 else
3998 {
3999 INT fw, new_x;
4000 /* Sanity check */
4001 if(pos < 0 || pos > 100) return 0;
4002 /* Assume default scroll range 0-100 */
4003 fw = es->format_rect.right - es->format_rect.left;
4004 new_x = pos * (es->text_width - fw) / 100;
4005 dx = es->text_width ? (new_x - es->x_offset) : 0;
4006 }
4007 break;
4008 case SB_THUMBPOSITION:
4009 TRACE("SB_THUMBPOSITION %d\n", pos);
4010 es->flags &= ~EF_HSCROLL_TRACK;
4011 if(wnd->dwStyle & WS_HSCROLL)
4012 dx = pos - es->x_offset;
4013 else
4014 {
4015 INT fw, new_x;
4016 /* Sanity check */
4017 if(pos < 0 || pos > 100) return 0;
4018 /* Assume default scroll range 0-100 */
4019 fw = es->format_rect.right - es->format_rect.left;
4020 new_x = pos * (es->text_width - fw) / 100;
4021 dx = es->text_width ? (new_x - es->x_offset) : 0;
4022 }
4023 if (!dx) {
4024 /* force scroll info update */
4025 EDIT_UpdateScrollInfo(wnd, es);
4026 EDIT_NOTIFY_PARENT(es, EN_HSCROLL, "EN_HSCROLL");
4027 }
4028 break;
4029 case SB_ENDSCROLL:
4030 TRACE("SB_ENDSCROLL\n");
4031 break;
4032 /*
4033 * FIXME : the next two are undocumented !
4034 * Are we doing the right thing ?
4035 * At least Win 3.1 Notepad makes use of EM_GETTHUMB this way,
4036 * although it's also a regular control message.
4037 */
4038 case EM_GETTHUMB: /* this one is used by NT notepad */
4039 case EM_GETTHUMB16:
4040 {
4041 LRESULT ret;
4042 if(wnd->dwStyle & WS_HSCROLL)
4043 ret = GetScrollPos(wnd->hwndSelf, SB_HORZ);
4044 else
4045 {
4046 /* Assume default scroll range 0-100 */
4047 INT fw = es->format_rect.right - es->format_rect.left;
4048 ret = es->text_width ? es->x_offset * 100 / (es->text_width - fw) : 0;
4049 }
4050 TRACE("EM_GETTHUMB: returning %ld\n", ret);
4051 return ret;
4052 }
4053 case EM_LINESCROLL16:
4054 TRACE("EM_LINESCROLL16\n");
4055 dx = pos;
4056 break;
4057
4058 default:
4059 ERR("undocumented WM_HSCROLL action %d (0x%04x), please report\n",
4060 action, action);
4061 return 0;
4062 }
4063 if (dx)
4064 {
4065 INT fw = es->format_rect.right - es->format_rect.left;
4066 /* check if we are going to move too far */
4067 if(es->x_offset + dx + fw > es->text_width)
4068 dx = es->text_width - fw - es->x_offset;
4069 if(dx)
4070 EDIT_EM_LineScroll_internal(wnd, es, dx, 0);
4071 }
4072 return 0;
4073 }
4074
4075
4076 /*********************************************************************
4077 *
4078 * EDIT_CheckCombo
4079 *
4080 */
4081 static BOOL EDIT_CheckCombo(WND *wnd, EDITSTATE *es, UINT msg, INT key)
4082 {
4083 HWND hLBox = es->hwndListBox;
4084 HWND hCombo;
4085 BOOL bDropped;
4086 int nEUI;
4087
4088 if (!hLBox)
4089 return FALSE;
4090
4091 hCombo = wnd->parent->hwndSelf;
4092 bDropped = TRUE;
4093 nEUI = 0;
4094
4095 TRACE_(combo)("[%04x]: handling msg %04x (%04x)\n",
4096 wnd->hwndSelf, (UINT16)msg, (UINT16)key);
4097
4098 if (key == VK_UP || key == VK_DOWN)
4099 {
4100 if (SendMessageW(hCombo, CB_GETEXTENDEDUI, 0, 0))
4101 nEUI = 1;
4102
4103 if (msg == WM_KEYDOWN || nEUI)
4104 bDropped = (BOOL)SendMessageW(hCombo, CB_GETDROPPEDSTATE, 0, 0);
4105 }
4106
4107 switch (msg)
4108 {
4109 case WM_KEYDOWN:
4110 if (!bDropped && nEUI && (key == VK_UP || key == VK_DOWN))
4111 {
4112 /* make sure ComboLBox pops up */
4113 SendMessageW(hCombo, CB_SETEXTENDEDUI, FALSE, 0);
4114 key = VK_F4;
4115 nEUI = 2;
4116 }
4117
4118 SendMessageW(hLBox, WM_KEYDOWN, (WPARAM)key, 0);
4119 break;
4120
4121 case WM_SYSKEYDOWN: /* Handle Alt+up/down arrows */
4122 if (nEUI)
4123 SendMessageW(hCombo, CB_SHOWDROPDOWN, bDropped ? FALSE : TRUE, 0);
4124 else
4125 SendMessageW(hLBox, WM_KEYDOWN, (WPARAM)VK_F4, 0);
4126 break;
4127 }
4128
4129 if(nEUI == 2)
4130 SendMessageW(hCombo, CB_SETEXTENDEDUI, TRUE, 0);
4131
4132 return TRUE;
4133 }
4134
4135
4136 /*********************************************************************
4137 *
4138 * WM_KEYDOWN
4139 *
4140 * Handling of special keys that don't produce a WM_CHAR
4141 * (i.e. non-printable keys) & Backspace & Delete
4142 *
4143 */
4144 static LRESULT EDIT_WM_KeyDown(WND *wnd, EDITSTATE *es, INT key)
4145 {
4146 BOOL shift;
4147 BOOL control;
4148
4149 if (GetKeyState(VK_MENU) & 0x8000)
4150 return 0;
4151
4152 shift = GetKeyState(VK_SHIFT) & 0x8000;
4153 control = GetKeyState(VK_CONTROL) & 0x8000;
4154
4155 switch (key) {
4156 case VK_F4:
4157 case VK_UP:
4158 if (EDIT_CheckCombo(wnd, es, WM_KEYDOWN, key) || key == VK_F4)
4159 break;
4160
4161 /* fall through */
4162 case VK_LEFT:
4163 if ((es->style & ES_MULTILINE) && (key == VK_UP))
4164 EDIT_MoveUp_ML(wnd, es, shift);
4165 else
4166 if (control)
4167 EDIT_MoveWordBackward(wnd, es, shift);
4168 else
4169 EDIT_MoveBackward(wnd, es, shift);
4170 break;
4171 case VK_DOWN:
4172 if (EDIT_CheckCombo(wnd, es, WM_KEYDOWN, key))
4173 break;
4174 /* fall through */
4175 case VK_RIGHT:
4176 if ((es->style & ES_MULTILINE) && (key == VK_DOWN))
4177 EDIT_MoveDown_ML(wnd, es, shift);
4178 else if (control)
4179 EDIT_MoveWordForward(wnd, es, shift);
4180 else
4181 EDIT_MoveForward(wnd, es, shift);
4182 break;
4183 case VK_HOME:
4184 EDIT_MoveHome(wnd, es, shift);
4185 break;
4186 case VK_END:
4187 EDIT_MoveEnd(wnd, es, shift);
4188 break;
4189 case VK_PRIOR:
4190 if (es->style & ES_MULTILINE)
4191 EDIT_MovePageUp_ML(wnd, es, shift);
4192 else
4193 EDIT_CheckCombo(wnd, es, WM_KEYDOWN, key);
4194 break;
4195 case VK_NEXT:
4196 if (es->style & ES_MULTILINE)
4197 EDIT_MovePageDown_ML(wnd, es, shift);
4198 else
4199 EDIT_CheckCombo(wnd, es, WM_KEYDOWN, key);
4200 break;
4201 case VK_DELETE:
4202 if (!(es->style & ES_READONLY) && !(shift && control)) {
4203 if (es->selection_start != es->selection_end) {
4204 if (shift)
4205 EDIT_WM_Cut(wnd, es);
4206 else
4207 EDIT_WM_Clear(wnd, es);
4208 } else {
4209 if (shift) {
4210 /* delete character left of caret */
4211 EDIT_EM_SetSel(wnd, es, (UINT)-1, 0, FALSE);
4212 EDIT_MoveBackward(wnd, es, TRUE);
4213 EDIT_WM_Clear(wnd, es);
4214 } else if (control) {
4215 /* delete to end of line */
4216 EDIT_EM_SetSel(wnd, es, (UINT)-1, 0, FALSE);
4217 EDIT_MoveEnd(wnd, es, TRUE);
4218 EDIT_WM_Clear(wnd, es);
4219 } else {
4220 /* delete character right of caret */
4221 EDIT_EM_SetSel(wnd, es, (UINT)-1, 0, FALSE);
4222 EDIT_MoveForward(wnd, es, TRUE);
4223 EDIT_WM_Clear(wnd, es);
4224 }
4225 }
4226 }
4227 break;
4228 case VK_INSERT:
4229 if (shift) {
4230 if (!(es->style & ES_READONLY))
4231 EDIT_WM_Paste(wnd, es);
4232 } else if (control)
4233 EDIT_WM_Copy(wnd, es);
4234 break;
4235 case VK_RETURN:
4236 /* If the edit doesn't want the return send a message to the default object */
4237 if(!(es->style & ES_WANTRETURN))
4238 {
4239 HWND hwndParent = GetParent(wnd->hwndSelf);
4240 DWORD dw = SendMessageW( hwndParent, DM_GETDEFID, 0, 0 );
4241 if (HIWORD(dw) == DC_HASDEFID)
4242 {
4243 SendMessageW( hwndParent, WM_COMMAND,
4244 MAKEWPARAM( LOWORD(dw), BN_CLICKED ),
4245 (LPARAM)GetDlgItem( hwndParent, LOWORD(dw) ) );
4246 }
4247 }
4248 break;
4249 }
4250 return 0;
4251 }
4252
4253
4254 /*********************************************************************
4255 *
4256 * WM_KILLFOCUS
4257 *
4258 */
4259 static LRESULT EDIT_WM_KillFocus(WND *wnd, EDITSTATE *es)
4260 {
4261 es->flags &= ~EF_FOCUSED;
4262 DestroyCaret();
4263 if(!(es->style & ES_NOHIDESEL))
4264 EDIT_InvalidateText(wnd, es, es->selection_start, es->selection_end);
4265 EDIT_NOTIFY_PARENT(es, EN_KILLFOCUS, "EN_KILLFOCUS");
4266 return 0;
4267 }
4268
4269
4270 /*********************************************************************
4271 *
4272 * WM_LBUTTONDBLCLK
4273 *
4274 * The caret position has been set on the WM_LBUTTONDOWN message
4275 *
4276 */
4277 static LRESULT EDIT_WM_LButtonDblClk(WND *wnd, EDITSTATE *es)
4278 {
4279 INT s;
4280 INT e = es->selection_end;
4281 INT l;
4282 INT li;
4283 INT ll;
4284
4285 if (!(es->flags & EF_FOCUSED))
4286 return 0;
4287
4288 l = EDIT_EM_LineFromChar(es, e);
4289 li = EDIT_EM_LineIndex(es, l);
4290 ll = EDIT_EM_LineLength(es, e);
4291 s = li + EDIT_CallWordBreakProc(es, li, e - li, ll, WB_LEFT);
4292 e = li + EDIT_CallWordBreakProc(es, li, e - li, ll, WB_RIGHT);
4293 EDIT_EM_SetSel(wnd, es, s, e, FALSE);
4294 EDIT_EM_ScrollCaret(wnd, es);
4295 return 0;
4296 }
4297
4298
4299 /*********************************************************************
4300 *
4301 * WM_LBUTTONDOWN
4302 *
4303 */
4304 static LRESULT EDIT_WM_LButtonDown(WND *wnd, EDITSTATE *es, DWORD keys, INT x, INT y)
4305 {
4306 INT e;
4307 BOOL after_wrap;
4308
4309 if (!(es->flags & EF_FOCUSED))
4310 return 0;
4311
4312 es->bCaptureState = TRUE;
4313 SetCapture(wnd->hwndSelf);
4314 EDIT_ConfinePoint(es, &x, &y);
4315 e = EDIT_CharFromPos(wnd, es, x, y, &after_wrap);
4316 EDIT_EM_SetSel(wnd, es, (keys & MK_SHIFT) ? es->selection_start : e, e, after_wrap);
4317 EDIT_EM_ScrollCaret(wnd, es);
4318 es->region_posx = es->region_posy = 0;
4319 SetTimer(wnd->hwndSelf, 0, 100, NULL);
4320 return 0;
4321 }
4322
4323
4324 /*********************************************************************
4325 *
4326 * WM_LBUTTONUP
4327 *
4328 */
4329 static LRESULT EDIT_WM_LButtonUp(HWND hwndSelf, EDITSTATE *es)
4330 {
4331 if (es->bCaptureState && GetCapture() == hwndSelf) {
4332 KillTimer(hwndSelf, 0);
4333 ReleaseCapture();
4334 }
4335 es->bCaptureState = FALSE;
4336 return 0;
4337 }
4338
4339
4340 /*********************************************************************
4341 *
4342 * WM_MBUTTONDOWN
4343 *
4344 */
4345 static LRESULT EDIT_WM_MButtonDown(WND *wnd)
4346 {
4347 SendMessageW(wnd->hwndSelf,WM_PASTE,0,0);
4348 return 0;
4349 }
4350
4351
4352 /*********************************************************************
4353 *
4354 * WM_MOUSEMOVE
4355 *
4356 */
4357 static LRESULT EDIT_WM_MouseMove(WND *wnd, EDITSTATE *es, INT x, INT y)
4358 {
4359 INT e;
4360 BOOL after_wrap;
4361 INT prex, prey;
4362
4363 if (GetCapture() != wnd->hwndSelf)
4364 return 0;
4365
4366 /*
4367 * FIXME: gotta do some scrolling if outside client
4368 * area. Maybe reset the timer ?
4369 */
4370 prex = x; prey = y;
4371 EDIT_ConfinePoint(es, &x, &y);
4372 es->region_posx = (prex < x) ? -1 : ((prex > x) ? 1 : 0);
4373 es->region_posy = (prey < y) ? -1 : ((prey > y) ? 1 : 0);
4374 e = EDIT_CharFromPos(wnd, es, x, y, &after_wrap);
4375 EDIT_EM_SetSel(wnd, es, es->selection_start, e, after_wrap);
4376 return 0;
4377 }
4378
4379
4380 /*********************************************************************
4381 *
4382 * WM_NCCREATE
4383 *
4384 */
4385 static LRESULT EDIT_WM_NCCreate(WND *wnd, DWORD style, HWND hwndParent, BOOL unicode)
4386 {
4387 EDITSTATE *es;
4388 UINT alloc_size;
4389
4390 TRACE("Creating %s edit control, style = %08lx\n",
4391 unicode ? "Unicode" : "ANSI", style);
4392
4393 if (!(es = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*es))))
4394 return FALSE;
4395 *(EDITSTATE **)wnd->wExtra = es;
4396
4397 /*
4398 * Note: since the EDITSTATE has not been fully initialized yet,
4399 * we can't use any API calls that may send
4400 * WM_XXX messages before WM_NCCREATE is completed.
4401 */
4402
4403 es->is_unicode = unicode;
4404 es->style = style;
4405
4406 es->bEnableState = !(style & WS_DISABLED);
4407
4408 /*
4409 * In Win95 look and feel, the WS_BORDER style is replaced by the
4410 * WS_EX_CLIENTEDGE style for the edit control. This gives the edit
4411 * control a non client area.
4412 */
4413 if (TWEAK_WineLook != WIN31_LOOK)
4414 {
4415 if (es->style & WS_BORDER)
4416 {
4417 es->style &= ~WS_BORDER;
4418 wnd->dwStyle &= ~WS_BORDER;
4419 wnd->dwExStyle |= WS_EX_CLIENTEDGE;
4420 }
4421 }
4422 else
4423 {
4424 if ((es->style & WS_BORDER) && !(es->style & WS_DLGFRAME))
4425 wnd->dwStyle &= ~WS_BORDER;
4426 }
4427
4428 /* Save parent, which will be notified by EN_* messages */
4429 es->hwndParent = hwndParent;
4430
4431 if (es->style & ES_COMBO)
4432 es->hwndListBox = GetDlgItem(hwndParent, ID_CB_LISTBOX);
4433
4434 if (es->style & ES_MULTILINE) {
4435 es->buffer_limit = BUFLIMIT_MULTI;
4436 if (es->style & WS_VSCROLL)
4437 es->style |= ES_AUTOVSCROLL;
4438 if (es->style & WS_HSCROLL)
4439 es->style |= ES_AUTOHSCROLL;
4440 es->style &= ~ES_PASSWORD;
4441 if ((es->style & ES_CENTER) || (es->style & ES_RIGHT)) {
4442 if (es->style & ES_RIGHT)
4443 es->style &= ~ES_CENTER;
4444 es->style &= ~WS_HSCROLL;
4445 es->style &= ~ES_AUTOHSCROLL;
4446 }
4447
4448 /* FIXME: for now, all multi line controls are AUTOVSCROLL */
4449 es->style |= ES_AUTOVSCROLL;
4450 } else {
4451 es->buffer_limit = BUFLIMIT_SINGLE;
4452 es->style &= ~ES_CENTER;
4453 es->style &= ~ES_RIGHT;
4454 es->style &= ~WS_HSCROLL;
4455 es->style &= ~WS_VSCROLL;
4456 es->style &= ~ES_AUTOVSCROLL;
4457 es->style &= ~ES_WANTRETURN;
4458 if (es->style & ES_UPPERCASE) {
4459 es->style &= ~ES_LOWERCASE;
4460 es->style &= ~ES_NUMBER;
4461 } else if (es->style & ES_LOWERCASE)
4462 es->style &= ~ES_NUMBER;
4463 if (es->style & ES_PASSWORD)
4464 es->password_char = '*';
4465
4466 /* FIXME: for now, all single line controls are AUTOHSCROLL */
4467 es->style |= ES_AUTOHSCROLL;
4468 }
4469
4470 alloc_size = ROUND_TO_GROW((es->buffer_size + 1) * sizeof(WCHAR));
4471 if(!(es->hloc32W = LocalAlloc(LMEM_MOVEABLE | LMEM_ZEROINIT, alloc_size)))
4472 return FALSE;
4473 es->buffer_size = LocalSize(es->hloc32W)/sizeof(WCHAR) - 1;
4474
4475 if (!(es->undo_text = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, (es->buffer_size + 1) * sizeof(WCHAR))))
4476 return FALSE;
4477 es->undo_buffer_size = es->buffer_size;
4478
4479 if (es->style & ES_MULTILINE)
4480 if (!(es->first_line_def = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(LINEDEF))))
4481 return FALSE;
4482 es->line_count = 1;
4483
4484 return TRUE;
4485 }
4486
4487 /*********************************************************************
4488 *
4489 * WM_PAINT
4490 *
4491 */
4492 static void EDIT_WM_Paint(WND *wnd, EDITSTATE *es, WPARAM wParam)
4493 {
4494 PAINTSTRUCT ps;
4495 INT i;
4496 HDC dc;
4497 HFONT old_font = 0;
4498 RECT rc;
4499 RECT rcLine;
4500 RECT rcRgn;
4501 BOOL rev = es->bEnableState &&
4502 ((es->flags & EF_FOCUSED) ||
4503 (es->style & ES_NOHIDESEL));
4504 if (!wParam)
4505 dc = BeginPaint(wnd->hwndSelf, &ps);
4506 else
4507 dc = (HDC) wParam;
4508 if(es->style & WS_BORDER) {
4509 GetClientRect(wnd->hwndSelf, &rc);
4510 if(es->style & ES_MULTILINE) {
4511 if(es->style & WS_HSCROLL) rc.bottom++;
4512 if(es->style & WS_VSCROLL) rc.right++;
4513 }
4514 Rectangle(dc, rc.left, rc.top, rc.right, rc.bottom);
4515 }
4516 IntersectClipRect(dc, es->format_rect.left,
4517 es->format_rect.top,
4518 es->format_rect.right,
4519 es->format_rect.bottom);
4520 if (es->style & ES_MULTILINE) {
4521 GetClientRect(wnd->hwndSelf, &rc);
4522 IntersectClipRect(dc, rc.left, rc.top, rc.right, rc.bottom);
4523 }
4524 if (es->font)
4525 old_font = SelectObject(dc, es->font);
4526 if ( get_app_version() >= 0x40000 &&(
4527 !es->bEnableState || (es->style & ES_READONLY)))
4528 EDIT_SEND_CTLCOLORSTATIC(wnd, dc);
4529 else
4530 EDIT_SEND_CTLCOLOR(wnd, dc);
4531
4532 if (!es->bEnableState)
4533 SetTextColor(dc, GetSysColor(COLOR_GRAYTEXT));
4534 GetClipBox(dc, &rcRgn);
4535 if (es->style & ES_MULTILINE) {
4536 INT vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
4537 for (i = es->y_offset ; i <= min(es->y_offset + vlc, es->y_offset + es->line_count - 1) ; i++) {
4538 EDIT_GetLineRect(wnd, es, i, 0, -1, &rcLine);
4539 if (IntersectRect(&rc, &rcRgn, &rcLine))
4540 EDIT_PaintLine(wnd, es, dc, i, rev);
4541 }
4542 } else {
4543 EDIT_GetLineRect(wnd, es, 0, 0, -1, &rcLine);
4544 if (IntersectRect(&rc, &rcRgn, &rcLine))
4545 EDIT_PaintLine(wnd, es, dc, 0, rev);
4546 }
4547 if (es->font)
4548 SelectObject(dc, old_font);
4549
4550 if (!wParam)
4551 EndPaint(wnd->hwndSelf, &ps);
4552 }
4553
4554
4555 /*********************************************************************
4556 *
4557 * WM_PASTE
4558 *
4559 */
4560 static void EDIT_WM_Paste(WND *wnd, EDITSTATE *es)
4561 {
4562 HGLOBAL hsrc;
4563 LPWSTR src;
4564
4565 /* Protect read-only edit control from modification */
4566 if(es->style & ES_READONLY)
4567 return;
4568
4569 OpenClipboard(wnd->hwndSelf);
4570 if ((hsrc = GetClipboardData(CF_UNICODETEXT))) {
4571 src = (LPWSTR)GlobalLock(hsrc);
4572 EDIT_EM_ReplaceSel(wnd, es, TRUE, src, TRUE);
4573 GlobalUnlock(hsrc);
4574 }
4575 CloseClipboard();
4576 }
4577
4578
4579 /*********************************************************************
4580 *
4581 * WM_SETFOCUS
4582 *
4583 */
4584 static void EDIT_WM_SetFocus(WND *wnd, EDITSTATE *es)
4585 {
4586 es->flags |= EF_FOCUSED;
4587 CreateCaret(wnd->hwndSelf, 0, 2, es->line_height);
4588 EDIT_SetCaretPos(wnd, es, es->selection_end,
4589 es->flags & EF_AFTER_WRAP);
4590 if(!(es->style & ES_NOHIDESEL))
4591 EDIT_InvalidateText(wnd, es, es->selection_start, es->selection_end);
4592 ShowCaret(wnd->hwndSelf);
4593 EDIT_NOTIFY_PARENT(es, EN_SETFOCUS, "EN_SETFOCUS");
4594 }
4595
4596
4597 /*********************************************************************
4598 *
4599 * WM_SETFONT
4600 *
4601 * With Win95 look the margins are set to default font value unless
4602 * the system font (font == 0) is being set, in which case they are left
4603 * unchanged.
4604 *
4605 */
4606 static void EDIT_WM_SetFont(WND *wnd, EDITSTATE *es, HFONT font, BOOL redraw)
4607 {
4608 TEXTMETRICW tm;
4609 HDC dc;
4610 HFONT old_font = 0;
4611 RECT r;
4612
4613 es->font = font;
4614 dc = GetDC(wnd->hwndSelf);
4615 if (font)
4616 old_font = SelectObject(dc, font);
4617 GetTextMetricsW(dc, &tm);
4618 es->line_height = tm.tmHeight;
4619 es->char_width = tm.tmAveCharWidth;
4620 if (font)
4621 SelectObject(dc, old_font);
4622 ReleaseDC(wnd->hwndSelf, dc);
4623 if (font && (TWEAK_WineLook > WIN31_LOOK))
4624 EDIT_EM_SetMargins(es, EC_LEFTMARGIN | EC_RIGHTMARGIN,
4625 EC_USEFONTINFO, EC_USEFONTINFO);
4626
4627 /* Force the recalculation of the format rect for each font change */
4628 GetClientRect(wnd->hwndSelf, &r);
4629 EDIT_SetRectNP(wnd, es, &r);
4630
4631 if (es->style & ES_MULTILINE)
4632 EDIT_BuildLineDefs_ML(wnd, es, 0, strlenW(es->text), 0, (HRGN)0);
4633 else
4634 EDIT_CalcLineWidth_SL(wnd, es);
4635
4636 if (redraw)
4637 EDIT_UpdateText(wnd, NULL, TRUE);
4638 if (es->flags & EF_FOCUSED) {
4639 DestroyCaret();
4640 CreateCaret(wnd->hwndSelf, 0, 2, es->line_height);
4641 EDIT_SetCaretPos(wnd, es, es->selection_end,
4642 es->flags & EF_AFTER_WRAP);
4643 ShowCaret(wnd->hwndSelf);
4644 }
4645 }
4646
4647
4648 /*********************************************************************
4649 *
4650 * WM_SETTEXT
4651 *
4652 * NOTES
4653 * For multiline controls (ES_MULTILINE), reception of WM_SETTEXT triggers:
4654 * The modified flag is reset. No notifications are sent.
4655 *
4656 * For single-line controls, reception of WM_SETTEXT triggers:
4657 * The modified flag is reset. EN_UPDATE and EN_CHANGE notifications are sent.
4658 *
4659 */
4660 static void EDIT_WM_SetText(WND *wnd, EDITSTATE *es, LPARAM lParam, BOOL unicode)
4661 {
4662 LPWSTR text = NULL;
4663
4664 if(unicode)
4665 text = (LPWSTR)lParam;
4666 else if (lParam)
4667 {
4668 LPCSTR textA = (LPCSTR)lParam;
4669 INT countW = MultiByteToWideChar(CP_ACP, 0, textA, -1, NULL, 0);
4670 if((text = HeapAlloc(GetProcessHeap(), 0, countW * sizeof(WCHAR))))
4671 MultiByteToWideChar(CP_ACP, 0, textA, -1, text, countW);
4672 }
4673
4674 EDIT_EM_SetSel(wnd, es, 0, (UINT)-1, FALSE);
4675 if (text) {
4676 TRACE("%s\n", debugstr_w(text));
4677 EDIT_EM_ReplaceSel(wnd, es, FALSE, text, FALSE);
4678 if(!unicode)
4679 HeapFree(GetProcessHeap(), 0, text);
4680 } else {
4681 static const WCHAR empty_stringW[] = {0};
4682 TRACE("<NULL>\n");
4683 EDIT_EM_ReplaceSel(wnd, es, FALSE, empty_stringW, FALSE);
4684 }
4685 es->x_offset = 0;
4686 es->flags &= ~EF_MODIFIED;
4687 EDIT_EM_SetSel(wnd, es, 0, 0, FALSE);
4688 /* Send the notification after the selection start and end have been set
4689 * edit control doesn't send notification on WM_SETTEXT
4690 * if it is multiline, or it is part of combobox
4691 */
4692 if( !((es->style & ES_MULTILINE) || es->hwndListBox))
4693 EDIT_NOTIFY_PARENT(es, EN_CHANGE, "EN_CHANGE");
4694 EDIT_EM_ScrollCaret(wnd, es);
4695 }
4696
4697
4698 /*********************************************************************
4699 *
4700 * WM_SIZE
4701 *
4702 */
4703 static void EDIT_WM_Size(WND *wnd, EDITSTATE *es, UINT action, INT width, INT height)
4704 {
4705 if ((action == SIZE_MAXIMIZED) || (action == SIZE_RESTORED)) {
4706 RECT rc;
4707 TRACE("width = %d, height = %d\n", width, height);
4708 SetRect(&rc, 0, 0, width, height);
4709 EDIT_SetRectNP(wnd, es, &rc);
4710 EDIT_UpdateText(wnd, NULL, TRUE);
4711 }
4712 }
4713
4714
4715 /*********************************************************************
4716 *
4717 * WM_SYSKEYDOWN
4718 *
4719 */
4720 static LRESULT EDIT_WM_SysKeyDown(WND *wnd, EDITSTATE *es, INT key, DWORD key_data)
4721 {
4722 if ((key == VK_BACK) && (key_data & 0x2000)) {
4723 if (EDIT_EM_CanUndo(es))
4724 EDIT_EM_Undo(wnd, es);
4725 return 0;
4726 } else if (key == VK_UP || key == VK_DOWN) {
4727 if (EDIT_CheckCombo(wnd, es, WM_SYSKEYDOWN, key))
4728 return 0;
4729 }
4730 return DefWindowProcW(wnd->hwndSelf, WM_SYSKEYDOWN, (WPARAM)key, (LPARAM)key_data);
4731 }
4732
4733
4734 /*********************************************************************
4735 *
4736 * WM_TIMER
4737 *
4738 */
4739 static void EDIT_WM_Timer(WND *wnd, EDITSTATE *es)
4740 {
4741 if (es->region_posx < 0) {
4742 EDIT_MoveBackward(wnd, es, TRUE);
4743 } else if (es->region_posx > 0) {
4744 EDIT_MoveForward(wnd, es, TRUE);
4745 }
4746 /*
4747 * FIXME: gotta do some vertical scrolling here, like
4748 * EDIT_EM_LineScroll(wnd, 0, 1);
4749 */
4750 }
4751
4752 /*********************************************************************
4753 *
4754 * WM_VSCROLL
4755 *
4756 */
4757 static LRESULT EDIT_WM_VScroll(WND *wnd, EDITSTATE *es, INT action, INT pos)
4758 {
4759 INT dy;
4760
4761 if (!(es->style & ES_MULTILINE))
4762 return 0;
4763
4764 if (!(es->style & ES_AUTOVSCROLL))
4765 return 0;
4766
4767 dy = 0;
4768 switch (action) {
4769 case SB_LINEUP:
4770 case SB_LINEDOWN:
4771 case SB_PAGEUP:
4772 case SB_PAGEDOWN:
4773 TRACE("action %d\n", action);
4774 EDIT_EM_Scroll(wnd, es, action);
4775 return 0;
4776 case SB_TOP:
4777 TRACE("SB_TOP\n");
4778 dy = -es->y_offset;
4779 break;
4780 case SB_BOTTOM:
4781 TRACE("SB_BOTTOM\n");
4782 dy = es->line_count - 1 - es->y_offset;
4783 break;
4784 case SB_THUMBTRACK:
4785 TRACE("SB_THUMBTRACK %d\n", pos);
4786 es->flags |= EF_VSCROLL_TRACK;
4787 if(es->style & WS_VSCROLL)
4788 dy = pos - es->y_offset;
4789 else
4790 {
4791 /* Assume default scroll range 0-100 */
4792 INT vlc, new_y;
4793 /* Sanity check */
4794 if(pos < 0 || pos > 100) return 0;
4795 vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
4796 new_y = pos * (es->line_count - vlc) / 100;
4797 dy = es->line_count ? (new_y - es->y_offset) : 0;
4798 TRACE("line_count=%d, y_offset=%d, pos=%d, dy = %d\n",
4799 es->line_count, es->y_offset, pos, dy);
4800 }
4801 break;
4802 case SB_THUMBPOSITION:
4803 TRACE("SB_THUMBPOSITION %d\n", pos);
4804 es->flags &= ~EF_VSCROLL_TRACK;
4805 if(es->style & WS_VSCROLL)
4806 dy = pos - es->y_offset;
4807 else
4808 {
4809 /* Assume default scroll range 0-100 */
4810 INT vlc, new_y;
4811 /* Sanity check */
4812 if(pos < 0 || pos > 100) return 0;
4813 vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
4814 new_y = pos * (es->line_count - vlc) / 100;
4815 dy = es->line_count ? (new_y - es->y_offset) : 0;
4816 TRACE("line_count=%d, y_offset=%d, pos=%d, dy = %d\n",
4817 es->line_count, es->y_offset, pos, dy);
4818 }
4819 if (!dy)
4820 {
4821 /* force scroll info update */
4822 EDIT_UpdateScrollInfo(wnd, es);
4823 EDIT_NOTIFY_PARENT(es, EN_VSCROLL, "EN_VSCROLL");
4824 }
4825 break;
4826 case SB_ENDSCROLL:
4827 TRACE("SB_ENDSCROLL\n");
4828 break;
4829 /*
4830 * FIXME : the next two are undocumented !
4831 * Are we doing the right thing ?
4832 * At least Win 3.1 Notepad makes use of EM_GETTHUMB this way,
4833 * although it's also a regular control message.
4834 */
4835 case EM_GETTHUMB: /* this one is used by NT notepad */
4836 case EM_GETTHUMB16:
4837 {
4838 LRESULT ret;
4839 if(wnd->dwStyle & WS_VSCROLL)
4840 ret = GetScrollPos(wnd->hwndSelf, SB_VERT);
4841 else
4842 {
4843 /* Assume default scroll range 0-100 */
4844 INT vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
4845 ret = es->line_count ? es->y_offset * 100 / (es->line_count - vlc) : 0;
4846 }
4847 TRACE("EM_GETTHUMB: returning %ld\n", ret);
4848 return ret;
4849 }
4850 case EM_LINESCROLL16:
4851 TRACE("EM_LINESCROLL16 %d\n", pos);
4852 dy = pos;
4853 break;
4854
4855 default:
4856 ERR("undocumented WM_VSCROLL action %d (0x%04x), please report\n",
4857 action, action);
4858 return 0;
4859 }
4860 if (dy)
4861 EDIT_EM_LineScroll(wnd, es, 0, dy);
4862 return 0;
4863 }
4864
4865 /*********************************************************************
4866 *
4867 * EDIT_UpdateText
4868 *
4869 */
4870 static void EDIT_UpdateTextRegion(WND *wnd, HRGN hrgn, BOOL bErase)
4871 {
4872 EDITSTATE *es = *(EDITSTATE **)((wnd)->wExtra);
4873
4874 if (es->flags & EF_UPDATE)
4875 EDIT_NOTIFY_PARENT(es, EN_UPDATE, "EN_UPDATE");
4876
4877 InvalidateRgn(wnd->hwndSelf, hrgn, bErase);
4878 }
4879
4880
4881 /*********************************************************************
4882 *
4883 * EDIT_UpdateText
4884 *
4885 */
4886 static void EDIT_UpdateText(WND *wnd, LPRECT rc, BOOL bErase)
4887 {
4888 EDITSTATE *es = *(EDITSTATE **)((wnd)->wExtra);
4889
4890 if (es->flags & EF_UPDATE)
4891 EDIT_NOTIFY_PARENT(es, EN_UPDATE, "EN_UPDATE");
4892
4893 InvalidateRect(wnd->hwndSelf, rc, bErase);
4894 }
useful hacks and other patches not (yet) suitable for mainline