source: trunk/src/user32/edit.c@ 21971

Last change on this file since 21971 was 21356, checked in by rlwalsh, 16 years ago

eliminate VACPP warning & info msgs - see Ticket #1
File size: 169.4 KB
Line 
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#ifdef __WIN32OS2__
31#include "ctrlconf.h"
32#include <heapstring.h>
33#include <imm.h>
34#endif
35
36DEFAULT_DEBUG_CHANNEL(edit);
37DECLARE_DEBUG_CHANNEL(combo);
38#ifndef __WIN32OS2__
39DECLARE_DEBUG_CHANNEL(relay);
40
41#define BUFLIMIT_MULTI 0x7FFFFFF /* maximum buffer size (not including '\0')
42#define BUFLIMIT_SINGLE 0x7FFFFFF /* maximum buffer size (not including '\0') */
43#else
44#define BUFLIMIT_MULTI 65534 /* maximum buffer size (not including '\0')
45 FIXME: BTW, new specs say 65535 (do you dare ???) */
46#define BUFLIMIT_SINGLE 32766 /* maximum buffer size (not including '\0') */
47#endif
48
49#define GROWLENGTH 32 /* buffers granularity in bytes: must be power of 2 */
50#define ROUND_TO_GROW(size) (((size) + (GROWLENGTH - 1)) & ~(GROWLENGTH - 1))
51#define HSCROLL_FRACTION 3 /* scroll window by 1/3 width */
52
53/*
54 * extra flags for EDITSTATE.flags field
55 */
56#define EF_MODIFIED 0x0001 /* text has been modified */
57#define EF_FOCUSED 0x0002 /* we have input focus */
58#define EF_UPDATE 0x0004 /* notify parent of changed state */
59#define EF_VSCROLL_TRACK 0x0008 /* don't SetScrollPos() since we are tracking the thumb */
60#define EF_HSCROLL_TRACK 0x0010 /* don't SetScrollPos() since we are tracking the thumb */
61#define EF_AFTER_WRAP 0x0080 /* the caret is displayed after the last character of a
62 wrapped line, instead of in front of the next character */
63#define EF_USE_SOFTBRK 0x0100 /* Enable soft breaks in text. */
64
65typedef enum
66{
67 END_0 = 0, /* line ends with terminating '\0' character */
68 END_WRAP, /* line is wrapped */
69 END_HARD, /* line ends with a hard return '\r\n' */
70 END_SOFT /* line ends with a soft return '\r\r\n' */
71} LINE_END;
72
73typedef struct tagLINEDEF {
74 INT length; /* bruto length of a line in bytes */
75 INT net_length; /* netto length of a line in visible characters */
76 LINE_END ending;
77 INT width; /* width of the line in pixels */
78 INT index; /* line index into the buffer */
79 struct tagLINEDEF *next;
80} LINEDEF;
81
82typedef struct
83{
84 BOOL is_unicode; /* how the control was created */
85 LPWSTR text; /* the actual contents of the control */
86 UINT buffer_size; /* the size of the buffer in characters */
87 UINT buffer_limit; /* the maximum size to which the buffer may grow in characters */
88 HFONT font; /* NULL means standard system font */
89 INT x_offset; /* scroll offset for multi lines this is in pixels
90 for single lines it's in characters */
91 INT line_height; /* height of a screen line in pixels */
92 INT char_width; /* average character width in pixels */
93 DWORD style; /* sane version of wnd->dwStyle */
94 WORD flags; /* flags that are not in es->style or wnd->flags (EF_XXX) */
95 INT undo_insert_count; /* number of characters inserted in sequence */
96 UINT undo_position; /* character index of the insertion and deletion */
97 LPWSTR undo_text; /* deleted text */
98 UINT undo_buffer_size; /* size of the deleted text buffer */
99 INT selection_start; /* == selection_end if no selection */
100 INT selection_end; /* == current caret position */
101 WCHAR password_char; /* == 0 if no password char, and for multi line controls */
102 INT left_margin; /* in pixels */
103 INT right_margin; /* in pixels */
104 RECT format_rect;
105 INT text_width; /* width of the widest line in pixels for multi line controls
106 and just line width for single line controls */
107 INT region_posx; /* Position of cursor relative to region: */
108 INT region_posy; /* -1: to left, 0: within, 1: to right */
109 EDITWORDBREAKPROC16 word_break_proc16;
110 void *word_break_proc; /* 32-bit word break proc: ANSI or Unicode */
111 INT line_count; /* number of lines */
112 INT y_offset; /* scroll offset in number of lines */
113 BOOL bCaptureState; /* flag indicating whether mouse was captured */
114 BOOL bEnableState; /* flag keeping the enable state */
115 HWND hwndParent; /* Handle of parent for sending EN_* messages.
116 Even if parent will change, EN_* messages
117 should be sent to the first parent. */
118 HWND hwndListBox; /* handle of ComboBox's listbox or NULL */
119 /*
120 * only for multi line controls
121 */
122 INT lock_count; /* amount of re-entries in the EditWndProc */
123 INT tabs_count;
124 LPINT tabs;
125 LINEDEF *first_line_def; /* linked list of (soft) linebreaks */
126 HLOCAL hloc32W; /* our unicode local memory block */
127 HLOCAL16 hloc16; /* alias for 16-bit control receiving EM_GETHANDLE16
128 or EM_SETHANDLE16 */
129 HLOCAL hloc32A; /* alias for ANSI control receiving EM_GETHANDLE
130 or EM_SETHANDLE */
131#ifdef __WIN32OS2__
132 LPWSTR compStr;
133 INT compStrLen;
134 BOOL moveCaret;
135 DWORD sentenceMode;
136#endif
137} EDITSTATE;
138
139
140#define SWAP_INT32(x,y) do { INT temp = (INT)(x); (x) = (INT)(y); (y) = temp; } while(0)
141#define ORDER_INT(x,y) do { if ((INT)(y) < (INT)(x)) SWAP_INT32((x),(y)); } while(0)
142
143#define SWAP_UINT32(x,y) do { UINT temp = (UINT)(x); (x) = (UINT)(y); (y) = temp; } while(0)
144#define ORDER_UINT(x,y) do { if ((UINT)(y) < (UINT)(x)) SWAP_UINT32((x),(y)); } while(0)
145
146#define DPRINTF_EDIT_NOTIFY(hwnd, str) \
147 do {TRACE("notification " str " sent to hwnd=%08x\n", \
148 (UINT)(hwnd));} while(0)
149
150/* used for disabled or read-only edit control */
151#define EDIT_SEND_CTLCOLORSTATIC(hwnd,hdc) \
152 (SendMessageW(GetParent(hwnd), WM_CTLCOLORSTATIC, \
153 (WPARAM)(hdc), (LPARAM)(hwnd)))
154#define EDIT_SEND_CTLCOLOR(hwnd,hdc) \
155 (SendMessageW(GetParent(hwnd), WM_CTLCOLOREDIT, \
156 (WPARAM)(hdc), (LPARAM)(hwnd)))
157#define EDIT_NOTIFY_PARENT(hwnd, es, wNotifyCode, str) \
158 do \
159 { /* Notify parent which has created this edit control */ \
160 DPRINTF_EDIT_NOTIFY((es)->hwndParent, str); \
161 SendMessageW((es)->hwndParent, WM_COMMAND, \
162 MAKEWPARAM(GetWindowLongA((hwnd),GWL_ID), wNotifyCode), \
163 (LPARAM)(hwnd)); \
164 } while(0)
165#define DPRINTF_EDIT_MSG16(str) \
166 TRACE(\
167 "16 bit : " str ": hwnd=%08x, wParam=%08x, lParam=%08x\n", \
168 hwnd, (UINT)wParam, (UINT)lParam)
169#define DPRINTF_EDIT_MSG32(str) \
170 TRACE(\
171 "32 bit %c : " str ": hwnd=%08x, wParam=%08x, lParam=%08x\n", \
172 unicode ? 'W' : 'A', \
173 hwnd, (UINT)wParam, (UINT)lParam)
174
175/*********************************************************************
176 *
177 * Declarations
178 *
179 */
180
181/*
182 * These functions have trivial implementations
183 * We still like to call them internally
184 * "static inline" makes them more like macro's
185 */
186static inline BOOL EDIT_EM_CanUndo(EDITSTATE *es);
187static inline void EDIT_EM_EmptyUndoBuffer(EDITSTATE *es);
188static inline void EDIT_WM_Clear(HWND hwnd, EDITSTATE *es);
189static inline void EDIT_WM_Cut(HWND hwnd, EDITSTATE *es);
190
191/*
192 * Helper functions only valid for one type of control
193 */
194static void EDIT_BuildLineDefs_ML(HWND hwnd, EDITSTATE *es, INT iStart, INT iEnd, INT delta, HRGN hrgn);
195static void EDIT_CalcLineWidth_SL(HWND hwnd, EDITSTATE *es);
196static LPWSTR EDIT_GetPasswordPointer_SL(EDITSTATE *es);
197static void EDIT_MoveDown_ML(HWND hwnd, EDITSTATE *es, BOOL extend);
198static void EDIT_MovePageDown_ML(HWND hwnd, EDITSTATE *es, BOOL extend);
199static void EDIT_MovePageUp_ML(HWND hwnd, EDITSTATE *es, BOOL extend);
200static void EDIT_MoveUp_ML(HWND hwnd, EDITSTATE *es, BOOL extend);
201/*
202 * Helper functions valid for both single line _and_ multi line controls
203 */
204static INT EDIT_CallWordBreakProc(EDITSTATE *es, INT start, INT index, INT count, INT action);
205static INT EDIT_CharFromPos(HWND hwnd, EDITSTATE *es, INT x, INT y, LPBOOL after_wrap);
206static void EDIT_ConfinePoint(EDITSTATE *es, LPINT x, LPINT y);
207static void EDIT_GetLineRect(HWND hwnd, EDITSTATE *es, INT line, INT scol, INT ecol, LPRECT rc);
208static void EDIT_InvalidateText(HWND hwnd, EDITSTATE *es, INT start, INT end);
209static void EDIT_LockBuffer(HWND hwnd, EDITSTATE *es);
210static BOOL EDIT_MakeFit(HWND hwnd, EDITSTATE *es, UINT size);
211static BOOL EDIT_MakeUndoFit(EDITSTATE *es, UINT size);
212static void EDIT_MoveBackward(HWND hwnd, EDITSTATE *es, BOOL extend);
213static void EDIT_MoveEnd(HWND hwnd, EDITSTATE *es, BOOL extend);
214static void EDIT_MoveForward(HWND hwnd, EDITSTATE *es, BOOL extend);
215static void EDIT_MoveHome(HWND hwnd, EDITSTATE *es, BOOL extend);
216static void EDIT_MoveWordBackward(HWND hwnd, EDITSTATE *es, BOOL extend);
217static void EDIT_MoveWordForward(HWND hwnd, EDITSTATE *es, BOOL extend);
218static void EDIT_PaintLine(HWND hwnd, EDITSTATE *es, HDC hdc, INT line, BOOL rev);
219static INT EDIT_PaintText(EDITSTATE *es, HDC hdc, INT x, INT y, INT line, INT col, INT count, BOOL rev);
220static void EDIT_SetCaretPos(HWND hwnd, EDITSTATE *es, INT pos, BOOL after_wrap);
221static void EDIT_SetRectNP(HWND hwnd, EDITSTATE *es, LPRECT lprc);
222static void EDIT_UnlockBuffer(HWND hwnd, EDITSTATE *es, BOOL force);
223static void EDIT_UpdateScrollInfo(HWND hwnd, EDITSTATE *es);
224static INT CALLBACK EDIT_WordBreakProc(LPWSTR s, INT index, INT count, INT action);
225/*
226 * EM_XXX message handlers
227 */
228static LRESULT EDIT_EM_CharFromPos(HWND hwnd, EDITSTATE *es, INT x, INT y);
229static BOOL EDIT_EM_FmtLines(EDITSTATE *es, BOOL add_eol);
230static HLOCAL EDIT_EM_GetHandle(EDITSTATE *es);
231#ifndef __WIN32OS2__
232static HLOCAL16 EDIT_EM_GetHandle16(HWND hwnd, EDITSTATE *es);
233#endif
234static INT EDIT_EM_GetLine(EDITSTATE *es, INT line, LPARAM lParam, BOOL unicode);
235static LRESULT EDIT_EM_GetSel(EDITSTATE *es, LPUINT start, LPUINT end);
236static LRESULT EDIT_EM_GetThumb(HWND hwnd, EDITSTATE *es);
237static INT EDIT_EM_LineFromChar(EDITSTATE *es, INT index);
238static INT EDIT_EM_LineIndex(EDITSTATE *es, INT line);
239static INT EDIT_EM_LineLength(EDITSTATE *es, INT index);
240#ifdef __WIN32OS2__
241static INT EDIT_EM_LineLengthA(EDITSTATE *es, INT index);
242#endif
243static BOOL EDIT_EM_LineScroll(HWND hwnd, EDITSTATE *es, INT dx, INT dy);
244static BOOL EDIT_EM_LineScroll_internal(HWND hwnd, EDITSTATE *es, INT dx, INT dy);
245static LRESULT EDIT_EM_PosFromChar(HWND hwnd, EDITSTATE *es, INT index, BOOL after_wrap);
246static void EDIT_EM_ReplaceSel(HWND hwnd, EDITSTATE *es, BOOL can_undo, LPCWSTR lpsz_replace, BOOL send_update);
247static LRESULT EDIT_EM_Scroll(HWND hwnd, EDITSTATE *es, INT action);
248static void EDIT_EM_ScrollCaret(HWND hwnd, EDITSTATE *es);
249static void EDIT_EM_SetHandle(HWND hwnd, EDITSTATE *es, HLOCAL hloc);
250#ifndef __WIN32OS2__
251static void EDIT_EM_SetHandle16(HWND hwnd, EDITSTATE *es, HLOCAL16 hloc);
252#endif
253static void EDIT_EM_SetLimitText(EDITSTATE *es, INT limit);
254static void EDIT_EM_SetMargins(EDITSTATE *es, INT action, INT left, INT right);
255static void EDIT_EM_SetPasswordChar(HWND hwnd, EDITSTATE *es, WCHAR c);
256static void EDIT_EM_SetSel(HWND hwnd, EDITSTATE *es, UINT start, UINT end, BOOL after_wrap);
257static BOOL EDIT_EM_SetTabStops(EDITSTATE *es, INT count, LPINT tabs);
258static BOOL EDIT_EM_SetTabStops16(EDITSTATE *es, INT count, LPINT16 tabs);
259static void EDIT_EM_SetWordBreakProc(HWND hwnd, EDITSTATE *es, LPARAM lParam);
260#ifndef __WIN32OS2__
261static void EDIT_EM_SetWordBreakProc16(HWND hwnd, EDITSTATE *es, EDITWORDBREAKPROC16 wbp);
262#endif
263static BOOL EDIT_EM_Undo(HWND hwnd, EDITSTATE *es);
264/*
265 * WM_XXX message handlers
266 */
267static void EDIT_WM_Char(HWND hwnd, EDITSTATE *es, WCHAR c);
268static void EDIT_WM_Command(HWND hwnd, EDITSTATE *es, INT code, INT id, HWND conrtol);
269static void EDIT_WM_ContextMenu(HWND hwnd, EDITSTATE *es, INT x, INT y);
270static void EDIT_WM_Copy(HWND hwnd, EDITSTATE *es);
271static LRESULT EDIT_WM_Create(HWND hwnd, EDITSTATE *es, LPCWSTR name);
272static void EDIT_WM_Destroy(HWND hwnd, EDITSTATE *es);
273static LRESULT EDIT_WM_EraseBkGnd(HWND hwnd, EDITSTATE *es, HDC dc);
274static INT EDIT_WM_GetText(EDITSTATE *es, INT count, LPARAM lParam, BOOL unicode);
275static LRESULT EDIT_WM_HScroll(HWND hwnd, EDITSTATE *es, INT action, INT pos);
276static LRESULT EDIT_WM_KeyDown(HWND hwnd, EDITSTATE *es, INT key);
277static LRESULT EDIT_WM_KillFocus(HWND hwnd, EDITSTATE *es);
278static LRESULT EDIT_WM_LButtonDblClk(HWND hwnd, EDITSTATE *es);
279static LRESULT EDIT_WM_LButtonDown(HWND hwnd, EDITSTATE *es, DWORD keys, INT x, INT y);
280static LRESULT EDIT_WM_LButtonUp(HWND hwndSelf, EDITSTATE *es);
281static LRESULT EDIT_WM_MButtonDown(HWND hwnd);
282static LRESULT EDIT_WM_MouseMove(HWND hwnd, EDITSTATE *es, INT x, INT y);
283static LRESULT EDIT_WM_NCCreate(HWND hwnd, DWORD style, HWND hwndParent, BOOL unicode);
284static void EDIT_WM_Paint(HWND hwnd, EDITSTATE *es, WPARAM wParam);
285static void EDIT_WM_Paste(HWND hwnd, EDITSTATE *es);
286static void EDIT_WM_SetFocus(HWND hwnd, EDITSTATE *es);
287static void EDIT_WM_SetFont(HWND hwnd, EDITSTATE *es, HFONT font, BOOL redraw);
288static void EDIT_WM_SetText(HWND hwnd, EDITSTATE *es, LPARAM lParam, BOOL unicode);
289static void EDIT_WM_Size(HWND hwnd, EDITSTATE *es, UINT action, INT width, INT height);
290static LRESULT EDIT_WM_StyleChanged (HWND hwnd, EDITSTATE *es, WPARAM which, const STYLESTRUCT *style);
291static LRESULT EDIT_WM_SysKeyDown(HWND hwnd, EDITSTATE *es, INT key, DWORD key_data);
292static void EDIT_WM_Timer(HWND hwnd, EDITSTATE *es);
293static LRESULT EDIT_WM_VScroll(HWND hwnd, EDITSTATE *es, INT action, INT pos);
294static void EDIT_UpdateText(HWND hwnd, EDITSTATE *es, LPRECT rc, BOOL bErase);
295static void EDIT_UpdateTextRegion(HWND hwnd, EDITSTATE *es, HRGN hrgn, BOOL bErase);
296
297LRESULT WINAPI EditWndProcA(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
298LRESULT WINAPI EditWndProcW(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
299
300/*********************************************************************
301 * edit class descriptor
302 */
303const struct builtin_class_descr EDIT_builtin_class =
304{
305 "Edit", /* name */
306 CS_GLOBALCLASS | CS_DBLCLKS /*| CS_PARENTDC*/, /* style */
307 EditWndProcA, /* procA */
308 EditWndProcW, /* procW */
309 sizeof(EDITSTATE *), /* extra */
310 IDC_IBEAMA, /* cursor */
311 0 /* brush */
312};
313
314
315/*********************************************************************
316 *
317 * EM_CANUNDO
318 *
319 */
320static inline BOOL EDIT_EM_CanUndo(EDITSTATE *es)
321{
322 return (es->undo_insert_count || strlenW(es->undo_text));
323}
324
325
326/*********************************************************************
327 *
328 * EM_EMPTYUNDOBUFFER
329 *
330 */
331static inline void EDIT_EM_EmptyUndoBuffer(EDITSTATE *es)
332{
333 es->undo_insert_count = 0;
334 *es->undo_text = '\0';
335}
336
337
338/*********************************************************************
339 *
340 * WM_CLEAR
341 *
342 */
343static inline void EDIT_WM_Clear(HWND hwnd, EDITSTATE *es)
344{
345 static const WCHAR empty_stringW[] = {0};
346
347 /* Protect read-only edit control from modification */
348 if(es->style & ES_READONLY)
349 return;
350
351 EDIT_EM_ReplaceSel(hwnd, es, TRUE, empty_stringW, TRUE);
352}
353
354
355/*********************************************************************
356 *
357 * WM_CUT
358 *
359 */
360static inline void EDIT_WM_Cut(HWND hwnd, EDITSTATE *es)
361{
362 EDIT_WM_Copy(hwnd, es);
363 EDIT_WM_Clear(hwnd, es);
364}
365
366
367/**********************************************************************
368 * get_app_version
369 *
370 * Returns the window version in case Wine emulates a later version
371 * of windows then the application expects.
372 *
373 * In a number of cases when windows runs an application that was
374 * designed for an earlier windows version, windows reverts
375 * to "old" behaviour of that earlier version.
376 *
377 * An example is a disabled edit control that needs to be painted.
378 * Old style behaviour is to send a WM_CTLCOLOREDIT message. This was
379 * changed in Win95, NT4.0 by a WM_CTLCOLORSTATIC message _only_ for
380 * applications with an expected version 0f 4.0 or higher.
381 *
382 */
383static DWORD get_app_version(void)
384{
385 static DWORD version;
386 if (!version)
387 {
388 DWORD dwEmulatedVersion;
389 OSVERSIONINFOW info;
390 DWORD dwProcVersion = GetProcessVersion(0);
391
392 info.dwOSVersionInfoSize = sizeof(OSVERSIONINFOW);
393 GetVersionExW( &info );
394 dwEmulatedVersion = MAKELONG( info.dwMinorVersion, info.dwMajorVersion );
395 /* FIXME: this may not be 100% correct; see discussion on the
396 * wine developer list in Nov 1999 */
397 version = dwProcVersion < dwEmulatedVersion ? dwProcVersion : dwEmulatedVersion;
398 }
399 return version;
400}
401
402
403/*********************************************************************
404 *
405 * EditWndProc_common
406 *
407 * The messages are in the order of the actual integer values
408 * (which can be found in include/windows.h)
409 * Wherever possible the 16 bit versions are converted to
410 * the 32 bit ones, so that we can 'fall through' to the
411 * helper functions. These are mostly 32 bit (with a few
412 * exceptions, clearly indicated by a '16' extension to their
413 * names).
414 *
415 */
416static LRESULT WINAPI EditWndProc_common( HWND hwnd, UINT msg,
417 WPARAM wParam, LPARAM lParam, BOOL unicode )
418{
419 EDITSTATE *es = (EDITSTATE *)GetWindowLongA( hwnd, 0 );
420 LRESULT result = 0;
421
422 switch (msg) {
423 case WM_DESTROY:
424 DPRINTF_EDIT_MSG32("WM_DESTROY");
425 if (es) EDIT_WM_Destroy(hwnd, es);
426 result = 0;
427 goto END;
428
429 case WM_NCCREATE:
430 DPRINTF_EDIT_MSG32("WM_NCCREATE");
431 if(unicode)
432 {
433 LPCREATESTRUCTW cs = (LPCREATESTRUCTW)lParam;
434 result = EDIT_WM_NCCreate(hwnd, cs->style, cs->hwndParent, TRUE);
435 }
436 else
437 {
438 LPCREATESTRUCTA cs = (LPCREATESTRUCTA)lParam;
439 result = EDIT_WM_NCCreate(hwnd, cs->style, cs->hwndParent, FALSE);
440 }
441 goto END;
442 }
443
444 if (!es)
445 {
446 if(unicode)
447 result = DefWindowProcW(hwnd, msg, wParam, lParam);
448 else
449 result = DefWindowProcA(hwnd, msg, wParam, lParam);
450 goto END;
451 }
452
453
454 EDIT_LockBuffer(hwnd, es);
455 switch (msg) {
456 case EM_GETSEL16:
457 DPRINTF_EDIT_MSG16("EM_GETSEL");
458 wParam = 0;
459 lParam = 0;
460 /* fall through */
461 case EM_GETSEL:
462 DPRINTF_EDIT_MSG32("EM_GETSEL");
463 result = EDIT_EM_GetSel(es, (LPUINT)wParam, (LPUINT)lParam);
464 break;
465
466 case EM_SETSEL16:
467 DPRINTF_EDIT_MSG16("EM_SETSEL");
468 if (SLOWORD(lParam) == -1)
469 EDIT_EM_SetSel(hwnd, es, (UINT)-1, 0, FALSE);
470 else
471#ifdef __WIN32OS2__
472 if( IsDBCSEnv() && SHIWORD( lParam ) != -1 )
473 {
474 INT countA = WideCharToMultiByte( CP_ACP, 0, es->text, -1, 0, 0, 0, 0 );
475 LPSTR textA = HeapAlloc( GetProcessHeap(), 0, countA );
476 WORD wLo, wHi;
477
478 if( textA )
479 {
480 WideCharToMultiByte( CP_ACP, 0, es->text, -1, textA, countA, 0, 0 );
481
482 wLo = LOWORD( lParam );
483 wHi = HIWORD( lParam );
484
485 if( wLo > countA )
486 wLo = countA;
487 wLo = ( WPARAM )MultiByteToWideChar( CP_ACP, 0, textA, wLo, 0, 0 );
488
489 if( wHi > countA )
490 wHi = countA;
491 wHi = ( LPARAM )MultiByteToWideChar( CP_ACP, 0, textA, wHi, 0, 0 );
492
493 lParam = MAKELPARAM( wLo, wHi );
494
495 HeapFree( GetProcessHeap(), 0, textA );
496 }
497#endif
498 EDIT_EM_SetSel(hwnd, es, LOWORD(lParam), HIWORD(lParam), FALSE);
499#ifdef __WIN32OS2__
500 }
501#endif
502 if (!wParam)
503 EDIT_EM_ScrollCaret(hwnd, es);
504 result = 1;
505 break;
506 case EM_SETSEL:
507 DPRINTF_EDIT_MSG32("EM_SETSEL");
508#ifdef __WIN32OS2__
509 if( !unicode && IsDBCSEnv() && ( INT )wParam != -1 && ( INT )lParam != -1 )
510 {
511 INT countA = WideCharToMultiByte( CP_ACP, 0, es->text, -1, 0, 0, 0, 0 );
512 LPSTR textA = HeapAlloc( GetProcessHeap(), 0, countA );
513
514 if( textA )
515 {
516 WideCharToMultiByte( CP_ACP, 0, es->text, -1, textA, countA, 0, 0 );
517
518 if(( INT )wParam > countA )
519 wParam = ( WPARAM ) countA;
520 wParam = ( WPARAM )MultiByteToWideChar( CP_ACP, 0, textA, ( INT )wParam, 0, 0 );
521
522 if(( INT )lParam > countA )
523 lParam = ( LPARAM ) countA;
524 lParam = ( LPARAM )MultiByteToWideChar( CP_ACP, 0, textA, ( INT )lParam, 0, 0 );
525
526 HeapFree( GetProcessHeap(), 0, textA );
527 }
528 }
529#endif
530 EDIT_EM_SetSel(hwnd, es, wParam, lParam, FALSE);
531 EDIT_EM_ScrollCaret(hwnd, es);
532 result = 1;
533 break;
534
535 case EM_GETRECT16:
536 DPRINTF_EDIT_MSG16("EM_GETRECT");
537 if (lParam)
538 CONV_RECT32TO16(&es->format_rect, MapSL(lParam));
539 break;
540 case EM_GETRECT:
541 DPRINTF_EDIT_MSG32("EM_GETRECT");
542 if (lParam)
543 CopyRect((LPRECT)lParam, &es->format_rect);
544 break;
545
546 case EM_SETRECT16:
547 DPRINTF_EDIT_MSG16("EM_SETRECT");
548 if ((es->style & ES_MULTILINE) && lParam) {
549 RECT rc;
550 CONV_RECT16TO32(MapSL(lParam), &rc);
551 EDIT_SetRectNP(hwnd, es, &rc);
552 EDIT_UpdateText(hwnd, es, NULL, TRUE);
553 }
554 break;
555 case EM_SETRECT:
556 DPRINTF_EDIT_MSG32("EM_SETRECT");
557 if ((es->style & ES_MULTILINE) && lParam) {
558 EDIT_SetRectNP(hwnd, es, (LPRECT)lParam);
559 EDIT_UpdateText(hwnd, es, NULL, TRUE);
560 }
561 break;
562
563 case EM_SETRECTNP16:
564 DPRINTF_EDIT_MSG16("EM_SETRECTNP");
565 if ((es->style & ES_MULTILINE) && lParam) {
566 RECT rc;
567 CONV_RECT16TO32(MapSL(lParam), &rc);
568 EDIT_SetRectNP(hwnd, es, &rc);
569 }
570 break;
571 case EM_SETRECTNP:
572 DPRINTF_EDIT_MSG32("EM_SETRECTNP");
573 if ((es->style & ES_MULTILINE) && lParam)
574 EDIT_SetRectNP(hwnd, es, (LPRECT)lParam);
575 break;
576
577 case EM_SCROLL16:
578 DPRINTF_EDIT_MSG16("EM_SCROLL");
579 /* fall through */
580 case EM_SCROLL:
581 DPRINTF_EDIT_MSG32("EM_SCROLL");
582 result = EDIT_EM_Scroll(hwnd, es, (INT)wParam);
583 break;
584
585 case EM_LINESCROLL16:
586 DPRINTF_EDIT_MSG16("EM_LINESCROLL");
587 wParam = (WPARAM)(INT)SHIWORD(lParam);
588 lParam = (LPARAM)(INT)SLOWORD(lParam);
589 /* fall through */
590 case EM_LINESCROLL:
591 DPRINTF_EDIT_MSG32("EM_LINESCROLL");
592 result = (LRESULT)EDIT_EM_LineScroll(hwnd, es, (INT)wParam, (INT)lParam);
593 break;
594
595 case EM_SCROLLCARET16:
596 DPRINTF_EDIT_MSG16("EM_SCROLLCARET");
597 /* fall through */
598 case EM_SCROLLCARET:
599 DPRINTF_EDIT_MSG32("EM_SCROLLCARET");
600 EDIT_EM_ScrollCaret(hwnd, es);
601 result = 1;
602 break;
603
604 case EM_GETMODIFY16:
605 DPRINTF_EDIT_MSG16("EM_GETMODIFY");
606 /* fall through */
607 case EM_GETMODIFY:
608 DPRINTF_EDIT_MSG32("EM_GETMODIFY");
609 result = ((es->flags & EF_MODIFIED) != 0);
610 break;
611
612 case EM_SETMODIFY16:
613 DPRINTF_EDIT_MSG16("EM_SETMODIFY");
614 /* fall through */
615 case EM_SETMODIFY:
616 DPRINTF_EDIT_MSG32("EM_SETMODIFY");
617 if (wParam)
618 es->flags |= EF_MODIFIED;
619 else
620 es->flags &= ~(EF_MODIFIED | EF_UPDATE); /* reset pending updates */
621 break;
622
623 case EM_GETLINECOUNT16:
624 DPRINTF_EDIT_MSG16("EM_GETLINECOUNT");
625 /* fall through */
626 case EM_GETLINECOUNT:
627 DPRINTF_EDIT_MSG32("EM_GETLINECOUNT");
628 result = (es->style & ES_MULTILINE) ? es->line_count : 1;
629 break;
630
631 case EM_LINEINDEX16:
632 DPRINTF_EDIT_MSG16("EM_LINEINDEX");
633 if ((INT16)wParam == -1)
634 wParam = (WPARAM)-1;
635 /* fall through */
636 case EM_LINEINDEX:
637 DPRINTF_EDIT_MSG32("EM_LINEINDEX");
638 result = (LRESULT)EDIT_EM_LineIndex(es, (INT)wParam);
639#ifdef __WIN32OS2__
640 if( !unicode )
641 result = WideCharToMultiByte( CP_ACP, 0, es->text, result, 0, 0, 0, 0 );
642#endif
643 break;
644
645#ifndef __WIN32OS2__
646 case EM_SETHANDLE16:
647 DPRINTF_EDIT_MSG16("EM_SETHANDLE");
648 EDIT_EM_SetHandle16(hwnd, es, (HLOCAL16)wParam);
649 break;
650#endif
651 case EM_SETHANDLE:
652 DPRINTF_EDIT_MSG32("EM_SETHANDLE");
653 EDIT_EM_SetHandle(hwnd, es, (HLOCAL)wParam);
654 break;
655
656#ifndef __WIN32OS2__
657 case EM_GETHANDLE16:
658 DPRINTF_EDIT_MSG16("EM_GETHANDLE");
659 result = (LRESULT)EDIT_EM_GetHandle16(hwnd, es);
660 break;
661#endif
662 case EM_GETHANDLE:
663 DPRINTF_EDIT_MSG32("EM_GETHANDLE");
664 result = (LRESULT)EDIT_EM_GetHandle(es);
665 break;
666
667 case EM_GETTHUMB16:
668 DPRINTF_EDIT_MSG16("EM_GETTHUMB");
669 /* fall through */
670 case EM_GETTHUMB:
671 DPRINTF_EDIT_MSG32("EM_GETTHUMB");
672 result = EDIT_EM_GetThumb(hwnd, es);
673 break;
674
675 /* messages 0x00bf and 0x00c0 missing from specs */
676
677 case WM_USER+15:
678 DPRINTF_EDIT_MSG16("undocumented WM_USER+15, please report");
679 /* fall through */
680 case 0x00bf:
681 DPRINTF_EDIT_MSG32("undocumented 0x00bf, please report");
682 result = DefWindowProcW(hwnd, msg, wParam, lParam);
683 break;
684
685 case WM_USER+16:
686 DPRINTF_EDIT_MSG16("undocumented WM_USER+16, please report");
687 /* fall through */
688 case 0x00c0:
689 DPRINTF_EDIT_MSG32("undocumented 0x00c0, please report");
690 result = DefWindowProcW(hwnd, msg, wParam, lParam);
691 break;
692
693 case EM_LINELENGTH16:
694 DPRINTF_EDIT_MSG16("EM_LINELENGTH");
695 /* fall through */
696 case EM_LINELENGTH:
697 DPRINTF_EDIT_MSG32("EM_LINELENGTH");
698#ifdef __WIN32OS2__
699 if( !unicode )
700 result = ( LRESULT )EDIT_EM_LineLengthA(es, (INT)wParam);
701 else
702#endif
703 result = (LRESULT)EDIT_EM_LineLength(es, (INT)wParam);
704 break;
705
706 case EM_REPLACESEL16:
707 DPRINTF_EDIT_MSG16("EM_REPLACESEL");
708 lParam = (LPARAM)MapSL(lParam);
709 unicode = FALSE; /* 16-bit message is always ascii */
710 /* fall through */
711 case EM_REPLACESEL:
712 {
713 LPWSTR textW;
714 DPRINTF_EDIT_MSG32("EM_REPLACESEL");
715
716 if(unicode)
717 textW = (LPWSTR)lParam;
718 else
719 {
720 LPSTR textA = (LPSTR)lParam;
721 INT countW = MultiByteToWideChar(CP_ACP, 0, textA, -1, NULL, 0);
722 if((textW = HeapAlloc(GetProcessHeap(), 0, countW * sizeof(WCHAR))) != NULL)
723 MultiByteToWideChar(CP_ACP, 0, textA, -1, textW, countW);
724 }
725
726 EDIT_EM_ReplaceSel(hwnd, es, (BOOL)wParam, textW, TRUE);
727 result = 1;
728
729 if(!unicode)
730 HeapFree(GetProcessHeap(), 0, textW);
731 break;
732 }
733 /* message 0x00c3 missing from specs */
734
735 case WM_USER+19:
736 DPRINTF_EDIT_MSG16("undocumented WM_USER+19, please report");
737 /* fall through */
738 case 0x00c3:
739 DPRINTF_EDIT_MSG32("undocumented 0x00c3, please report");
740 result = DefWindowProcW(hwnd, msg, wParam, lParam);
741 break;
742
743 case EM_GETLINE16:
744 DPRINTF_EDIT_MSG16("EM_GETLINE");
745 lParam = (LPARAM)MapSL(lParam);
746 unicode = FALSE; /* 16-bit message is always ascii */
747 /* fall through */
748 case EM_GETLINE:
749 DPRINTF_EDIT_MSG32("EM_GETLINE");
750 result = (LRESULT)EDIT_EM_GetLine(es, (INT)wParam, lParam, unicode);
751 break;
752
753 case EM_LIMITTEXT16:
754 DPRINTF_EDIT_MSG16("EM_LIMITTEXT");
755 /* fall through */
756 case EM_SETLIMITTEXT:
757 DPRINTF_EDIT_MSG32("EM_SETLIMITTEXT");
758 EDIT_EM_SetLimitText(es, (INT)wParam);
759 break;
760
761 case EM_CANUNDO16:
762 DPRINTF_EDIT_MSG16("EM_CANUNDO");
763 /* fall through */
764 case EM_CANUNDO:
765 DPRINTF_EDIT_MSG32("EM_CANUNDO");
766 result = (LRESULT)EDIT_EM_CanUndo(es);
767 break;
768
769 case EM_UNDO16:
770 DPRINTF_EDIT_MSG16("EM_UNDO");
771 /* fall through */
772 case EM_UNDO:
773 /* fall through */
774 case WM_UNDO:
775 DPRINTF_EDIT_MSG32("EM_UNDO / WM_UNDO");
776 result = (LRESULT)EDIT_EM_Undo(hwnd, es);
777 break;
778
779 case EM_FMTLINES16:
780 DPRINTF_EDIT_MSG16("EM_FMTLINES");
781 /* fall through */
782 case EM_FMTLINES:
783 DPRINTF_EDIT_MSG32("EM_FMTLINES");
784 result = (LRESULT)EDIT_EM_FmtLines(es, (BOOL)wParam);
785 break;
786
787 case EM_LINEFROMCHAR16:
788 DPRINTF_EDIT_MSG16("EM_LINEFROMCHAR");
789 /* fall through */
790 case EM_LINEFROMCHAR:
791 DPRINTF_EDIT_MSG32("EM_LINEFROMCHAR");
792#ifdef __WIN32OS2__
793 if( !unicode && IsDBCSEnv() && ( INT )wParam != -1 )
794 {
795 INT countA = WideCharToMultiByte( CP_ACP, 0, es->text, -1, 0, 0, 0, 0 );
796 LPSTR textA = HeapAlloc( GetProcessHeap(), 0, countA );
797
798 if( textA )
799 {
800 WideCharToMultiByte( CP_ACP, 0, es->text, -1, textA, countA, 0, 0 );
801
802 if(( INT )wParam > countA )
803 wParam = ( WPARAM )countA;
804
805 wParam = ( WPARAM )MultiByteToWideChar( CP_ACP, 0, textA, ( INT )wParam, 0, 0 );
806
807 HeapFree( GetProcessHeap(), 0, textA );
808 }
809 }
810#endif
811 result = (LRESULT)EDIT_EM_LineFromChar(es, (INT)wParam);
812 break;
813
814 /* message 0x00ca missing from specs */
815
816 case WM_USER+26:
817 DPRINTF_EDIT_MSG16("undocumented WM_USER+26, please report");
818 /* fall through */
819 case 0x00ca:
820 DPRINTF_EDIT_MSG32("undocumented 0x00ca, please report");
821 result = DefWindowProcW(hwnd, msg, wParam, lParam);
822 break;
823
824 case EM_SETTABSTOPS16:
825 DPRINTF_EDIT_MSG16("EM_SETTABSTOPS");
826 result = (LRESULT)EDIT_EM_SetTabStops16(es, (INT)wParam, (LPINT16)MapSL(lParam));
827 break;
828 case EM_SETTABSTOPS:
829 DPRINTF_EDIT_MSG32("EM_SETTABSTOPS");
830 result = (LRESULT)EDIT_EM_SetTabStops(es, (INT)wParam, (LPINT)lParam);
831 break;
832
833 case EM_SETPASSWORDCHAR16:
834 DPRINTF_EDIT_MSG16("EM_SETPASSWORDCHAR");
835 unicode = FALSE; /* 16-bit message is always ascii */
836 /* fall through */
837 case EM_SETPASSWORDCHAR:
838 {
839 WCHAR charW = 0;
840 DPRINTF_EDIT_MSG32("EM_SETPASSWORDCHAR");
841
842 if(unicode)
843 charW = (WCHAR)wParam;
844 else
845 {
846 CHAR charA = wParam;
847 MultiByteToWideChar(CP_ACP, 0, &charA, 1, &charW, 1);
848 }
849
850 EDIT_EM_SetPasswordChar(hwnd, es, charW);
851 break;
852 }
853
854 case EM_EMPTYUNDOBUFFER16:
855 DPRINTF_EDIT_MSG16("EM_EMPTYUNDOBUFFER");
856 /* fall through */
857 case EM_EMPTYUNDOBUFFER:
858 DPRINTF_EDIT_MSG32("EM_EMPTYUNDOBUFFER");
859 EDIT_EM_EmptyUndoBuffer(es);
860 break;
861
862 case EM_GETFIRSTVISIBLELINE16:
863 DPRINTF_EDIT_MSG16("EM_GETFIRSTVISIBLELINE");
864 result = es->y_offset;
865 break;
866 case EM_GETFIRSTVISIBLELINE:
867 DPRINTF_EDIT_MSG32("EM_GETFIRSTVISIBLELINE");
868 result = (es->style & ES_MULTILINE) ? es->y_offset : es->x_offset;
869 break;
870
871 case EM_SETREADONLY16:
872 DPRINTF_EDIT_MSG16("EM_SETREADONLY");
873 /* fall through */
874 case EM_SETREADONLY:
875 DPRINTF_EDIT_MSG32("EM_SETREADONLY");
876 if (wParam) {
877 SetWindowLongA( hwnd, GWL_STYLE,
878 GetWindowLongA( hwnd, GWL_STYLE ) | ES_READONLY );
879 es->style |= ES_READONLY;
880 } else {
881 SetWindowLongA( hwnd, GWL_STYLE,
882 GetWindowLongA( hwnd, GWL_STYLE ) & ~ES_READONLY );
883 es->style &= ~ES_READONLY;
884 }
885 result = 1;
886 break;
887#ifndef __WIN32OS2__
888 case EM_SETWORDBREAKPROC16:
889 DPRINTF_EDIT_MSG16("EM_SETWORDBREAKPROC");
890 EDIT_EM_SetWordBreakProc16(hwnd, es, (EDITWORDBREAKPROC16)lParam);
891 break;
892#endif
893 case EM_SETWORDBREAKPROC:
894 DPRINTF_EDIT_MSG32("EM_SETWORDBREAKPROC");
895 EDIT_EM_SetWordBreakProc(hwnd, es, lParam);
896 break;
897
898 case EM_GETWORDBREAKPROC16:
899 DPRINTF_EDIT_MSG16("EM_GETWORDBREAKPROC");
900 result = (LRESULT)es->word_break_proc16;
901 break;
902 case EM_GETWORDBREAKPROC:
903 DPRINTF_EDIT_MSG32("EM_GETWORDBREAKPROC");
904 result = (LRESULT)es->word_break_proc;
905 break;
906
907 case EM_GETPASSWORDCHAR16:
908 DPRINTF_EDIT_MSG16("EM_GETPASSWORDCHAR");
909 unicode = FALSE; /* 16-bit message is always ascii */
910 /* fall through */
911 case EM_GETPASSWORDCHAR:
912 {
913 DPRINTF_EDIT_MSG32("EM_GETPASSWORDCHAR");
914
915 if(unicode)
916 result = es->password_char;
917 else
918 {
919 WCHAR charW = es->password_char;
920 CHAR charA = 0;
921 WideCharToMultiByte(CP_ACP, 0, &charW, 1, &charA, 1, NULL, NULL);
922 result = charA;
923 }
924 break;
925 }
926
927 /* The following EM_xxx are new to win95 and don't exist for 16 bit */
928
929 case EM_SETMARGINS:
930 DPRINTF_EDIT_MSG32("EM_SETMARGINS");
931 EDIT_EM_SetMargins(es, (INT)wParam, SLOWORD(lParam), SHIWORD(lParam));
932 break;
933
934 case EM_GETMARGINS:
935 DPRINTF_EDIT_MSG32("EM_GETMARGINS");
936 result = MAKELONG(es->left_margin, es->right_margin);
937 break;
938
939 case EM_GETLIMITTEXT:
940 DPRINTF_EDIT_MSG32("EM_GETLIMITTEXT");
941 result = es->buffer_limit;
942 break;
943
944 case EM_POSFROMCHAR:
945 DPRINTF_EDIT_MSG32("EM_POSFROMCHAR");
946#ifdef __WIN32OS2__
947 if( !unicode && IsDBCSEnv() )
948 {
949 INT countA = WideCharToMultiByte( CP_ACP, 0, es->text, -1, 0, 0, 0, 0 );
950 LPSTR textA = HeapAlloc( GetProcessHeap(), 0, countA );
951
952 if( textA )
953 {
954 WideCharToMultiByte( CP_ACP, 0, es->text, -1, textA, countA, 0, 0 );
955
956 if(( INT )wParam > countA )
957 wParam = ( WPARAM ) countA;
958 wParam = ( WPARAM )MultiByteToWideChar( CP_ACP, 0, textA, ( INT )wParam, 0, 0 );
959
960 HeapFree( GetProcessHeap(), 0, textA );
961 }
962 }
963#endif
964 result = EDIT_EM_PosFromChar(hwnd, es, (INT)wParam, FALSE);
965 break;
966
967 case EM_CHARFROMPOS:
968 DPRINTF_EDIT_MSG32("EM_CHARFROMPOS");
969 result = EDIT_EM_CharFromPos(hwnd, es, SLOWORD(lParam), SHIWORD(lParam));
970#ifdef __WIN32OS2__
971 if( !unicode )
972 {
973 WORD wLo = LOWORD( result );
974 WORD wHi = HIWORD( result );
975
976 wLo = WideCharToMultiByte( CP_ACP, 0, es->text, wLo, 0, 0, 0, 0 );
977 wHi = WideCharToMultiByte( CP_ACP, 0, es->text, wHi, 0, 0, 0, 0 );
978 result = ( LRESULT )MAKELONG( wLo, wHi );
979 }
980#endif
981 break;
982
983 /* End of the EM_ messages which were in numerical order; what order
984 * are these in? vaguely alphabetical?
985 */
986
987 case WM_GETDLGCODE:
988 DPRINTF_EDIT_MSG32("WM_GETDLGCODE");
989 result = DLGC_HASSETSEL | DLGC_WANTCHARS | DLGC_WANTARROWS;
990
991 if (lParam && (((LPMSG)lParam)->message == WM_KEYDOWN))
992 {
993 int vk = (int)((LPMSG)lParam)->wParam;
994
995 if (vk == VK_RETURN && (GetWindowLongA( hwnd, GWL_STYLE ) & ES_WANTRETURN))
996 {
997 result |= DLGC_WANTMESSAGE;
998 }
999 else if (es->hwndListBox && (vk == VK_RETURN || vk == VK_ESCAPE))
1000 {
1001 if (SendMessageW(GetParent(hwnd), CB_GETDROPPEDSTATE, 0, 0))
1002 result |= DLGC_WANTMESSAGE;
1003 }
1004 }
1005 break;
1006
1007 case WM_CHAR:
1008 {
1009 WCHAR charW;
1010 DPRINTF_EDIT_MSG32("WM_CHAR");
1011
1012 if(unicode)
1013 charW = wParam;
1014 else
1015 {
1016 CHAR charA = wParam;
1017 MultiByteToWideChar(CP_ACP, 0, &charA, 1, &charW, 1);
1018 }
1019
1020 if ((charW == VK_RETURN || charW == VK_ESCAPE) && es->hwndListBox)
1021 {
1022 if (SendMessageW(GetParent(hwnd), CB_GETDROPPEDSTATE, 0, 0))
1023 SendMessageW(GetParent(hwnd), WM_KEYDOWN, charW, 0);
1024 break;
1025 }
1026 EDIT_WM_Char(hwnd, es, charW);
1027 break;
1028 }
1029
1030 case WM_CLEAR:
1031 DPRINTF_EDIT_MSG32("WM_CLEAR");
1032 EDIT_WM_Clear(hwnd, es);
1033 break;
1034
1035 case WM_COMMAND:
1036 DPRINTF_EDIT_MSG32("WM_COMMAND");
1037 EDIT_WM_Command(hwnd, es, HIWORD(wParam), LOWORD(wParam), (HWND)lParam);
1038 break;
1039
1040 case WM_CONTEXTMENU:
1041 DPRINTF_EDIT_MSG32("WM_CONTEXTMENU");
1042 EDIT_WM_ContextMenu(hwnd, es, SLOWORD(lParam), SHIWORD(lParam));
1043 break;
1044
1045 case WM_COPY:
1046 DPRINTF_EDIT_MSG32("WM_COPY");
1047 EDIT_WM_Copy(hwnd, es);
1048 break;
1049
1050 case WM_CREATE:
1051 DPRINTF_EDIT_MSG32("WM_CREATE");
1052 if(unicode)
1053 result = EDIT_WM_Create(hwnd, es, ((LPCREATESTRUCTW)lParam)->lpszName);
1054 else
1055 {
1056 LPCSTR nameA = ((LPCREATESTRUCTA)lParam)->lpszName;
1057 LPWSTR nameW = NULL;
1058 if(nameA)
1059 {
1060 INT countW = MultiByteToWideChar(CP_ACP, 0, nameA, -1, NULL, 0);
1061 if((nameW = HeapAlloc(GetProcessHeap(), 0, countW * sizeof(WCHAR))) != NULL)
1062 MultiByteToWideChar(CP_ACP, 0, nameA, -1, nameW, countW);
1063 }
1064 result = EDIT_WM_Create(hwnd, es, nameW);
1065 if(nameW)
1066 HeapFree(GetProcessHeap(), 0, nameW);
1067 }
1068 break;
1069
1070 case WM_CUT:
1071 DPRINTF_EDIT_MSG32("WM_CUT");
1072 EDIT_WM_Cut(hwnd, es);
1073 break;
1074
1075 case WM_ENABLE:
1076 DPRINTF_EDIT_MSG32("WM_ENABLE");
1077 es->bEnableState = (BOOL) wParam;
1078 EDIT_UpdateText(hwnd, es, NULL, TRUE);
1079 break;
1080
1081 case WM_ERASEBKGND:
1082 DPRINTF_EDIT_MSG32("WM_ERASEBKGND");
1083 result = EDIT_WM_EraseBkGnd(hwnd, es, (HDC)wParam);
1084 break;
1085
1086 case WM_GETFONT:
1087 DPRINTF_EDIT_MSG32("WM_GETFONT");
1088 result = (LRESULT)es->font;
1089 break;
1090
1091 case WM_GETTEXT:
1092 DPRINTF_EDIT_MSG32("WM_GETTEXT");
1093 result = (LRESULT)EDIT_WM_GetText(es, (INT)wParam, lParam, unicode);
1094 break;
1095
1096 case WM_GETTEXTLENGTH:
1097 DPRINTF_EDIT_MSG32("WM_GETTEXTLENGTH");
1098 result = strlenW(es->text);
1099#ifdef __WIN32OS2__
1100 if( !unicode )
1101 result = WideCharToMultiByte( CP_ACP, 0, es->text, result, 0, 0, 0, 0 );
1102#endif
1103 break;
1104
1105 case WM_HSCROLL:
1106 DPRINTF_EDIT_MSG32("WM_HSCROLL");
1107 result = EDIT_WM_HScroll(hwnd, es, LOWORD(wParam), SHIWORD(wParam));
1108 break;
1109
1110#ifdef __WIN32OS2__
1111 case WM_IME_CHAR:
1112 {
1113 WCHAR charW;
1114 DPRINTF_EDIT_MSG32("WM_IME_CHAR");
1115
1116 if(unicode)
1117 charW = wParam;
1118 else
1119 {
1120 // always DBCS char
1121 CHAR charA[ 2 ];
1122 INT lenA = 1;
1123
1124 if( IsDBCSLeadByte(( CHAR )( wParam >> 8 )))
1125 {
1126 charA[ 0 ] = ( CHAR )( wParam >> 8 );
1127 charA[ 1 ] = ( CHAR )wParam;
1128 lenA = 2;
1129 }
1130 else
1131 charA[ 0 ] = ( CHAR )wParam;
1132
1133 MultiByteToWideChar( CP_ACP, 0, ( LPSTR )charA, lenA, ( LPWSTR )&charW, 1);
1134 }
1135
1136 EDIT_WM_Char(hwnd, es, charW);
1137 break;
1138 }
1139
1140 case WM_IME_COMPOSITION:
1141 {
1142 HIMC himc;
1143 LONG bufSize;
1144 INT i;
1145 BOOL passToDefWnd = FALSE;
1146#ifdef DEBUG
1147 LPSTR strA;
1148 INT lenA;
1149#endif
1150
1151 DPRINTF_EDIT_MSG32("WM_IME_COMPOSITION");
1152
1153 himc = ImmGetContext( hwnd );
1154
1155 if( es->sentenceMode )
1156 passToDefWnd = TRUE;
1157 else if( lParam & GCS_RESULTSTR )
1158 {
1159 LPWSTR resultStr = NULL;
1160 INT resultStrLen = 0;
1161
1162 dprintf(("WM_IME_COMPOSITION : GCS_RESULTSTR"));
1163
1164 bufSize = ImmGetCompositionStringW( himc, GCS_RESULTSTR, NULL, 0 );
1165 if( bufSize > 0 )
1166 {
1167 INT i;
1168
1169 resultStrLen = bufSize / sizeof( WCHAR );
1170 resultStr = malloc( bufSize + sizeof( WCHAR ));
1171 resultStr[ resultStrLen ] = 0;
1172
1173 ImmGetCompositionStringW( himc, GCS_RESULTSTR, resultStr, bufSize );
1174
1175#ifdef DEBUG
1176 lenA = WideCharToMultiByte( CP_ACP, 0, resultStr, resultStrLen, 0, 0, 0, 0 );
1177 strA = malloc( lenA + 1 );
1178 WideCharToMultiByte( CP_ACP, 0, resultStr, resultStrLen, strA, lenA, 0, 0 );
1179 strA[ lenA ] = 0;
1180 dprintf(("Result String : '%s'", strA ));
1181 free( strA );
1182 dprintf(("Composition Len %d", es->compStrLen ));
1183#endif
1184 DestroyCaret();
1185 if( es->compStrLen > 0 )
1186 {
1187 EDIT_EM_SetSel(hwnd, es, (UINT)-1, 0, FALSE);
1188 for( i = 0; i < es->compStrLen; i++ )
1189 EDIT_MoveForward(hwnd, es, TRUE);
1190 EDIT_WM_Clear(hwnd, es);
1191 }
1192
1193 EDIT_EM_ReplaceSel(hwnd, es, TRUE, resultStr, TRUE);
1194
1195 CreateCaret(hwnd, 0, 2, es->line_height);
1196 EDIT_SetCaretPos(hwnd, es, es->selection_end, es->flags & EF_AFTER_WRAP);
1197 ShowCaret(hwnd);
1198
1199 free( resultStr );
1200
1201 }
1202
1203 if( es->compStr )
1204 free( es->compStr );
1205
1206 es->compStr = NULL;
1207 es->compStrLen = 0;
1208 }
1209 else if( lParam & GCS_COMPSTR )
1210 {
1211 INT prevLen = es->compStrLen;
1212
1213 dprintf(("WM_IME_COMPOSITION : GCS_COMPSTR"));
1214
1215 if( es->compStr )
1216 free( es->compStr );
1217
1218 es->compStr = NULL;
1219 es->compStrLen = 0;
1220
1221 bufSize = ImmGetCompositionStringW( himc, GCS_COMPSTR, NULL, 0 );
1222 if( bufSize > 0 )
1223 {
1224 HDC hdc;
1225 SIZE size;
1226 BOOL oldMoveCaret;
1227
1228 es->compStrLen = bufSize / sizeof( WCHAR );
1229 es->compStr = malloc( bufSize + sizeof( WCHAR ));
1230 es->compStr[ es->compStrLen ] = 0;
1231
1232 ImmGetCompositionStringW( himc, GCS_COMPSTR, es->compStr, bufSize );
1233
1234#ifdef DEBUG
1235 lenA = WideCharToMultiByte( CP_ACP, 0, es->compStr, es->compStrLen, 0, 0, 0, 0 );
1236 strA = malloc( lenA + 1 );
1237 WideCharToMultiByte( CP_ACP, 0, es->compStr, es->compStrLen, strA, lenA, 0, 0 );
1238 strA[ lenA ] = 0;
1239 dprintf(("Composition String : '%s'", strA ));
1240 free( strA );
1241#endif
1242 hdc = GetDC( hwnd );
1243 GetTextExtentPoint32W( hdc, es->compStr, es->compStrLen, &size);
1244 ReleaseDC( hwnd, hdc );
1245
1246 oldMoveCaret = es->moveCaret;
1247
1248 es->moveCaret = FALSE; // to prevent cursor from flashing too many
1249
1250 if( prevLen > 0 )
1251 {
1252 EDIT_EM_SetSel(hwnd, es, (UINT)-1, 0, FALSE);
1253 for( i = 0; i < prevLen; i++ )
1254 EDIT_MoveForward(hwnd, es, TRUE);
1255 EDIT_WM_Clear(hwnd, es);
1256 }
1257
1258 EDIT_EM_ReplaceSel(hwnd, es, TRUE, es->compStr, TRUE);
1259
1260 for( i = 0; i < es->compStrLen; i++ )
1261 EDIT_MoveBackward(hwnd, es, FALSE);
1262
1263 es->moveCaret = oldMoveCaret;
1264
1265 CreateCaret(hwnd, 0, size.cx, es->line_height);
1266 EDIT_SetCaretPos(hwnd, es, es->selection_end, es->flags & EF_AFTER_WRAP);
1267 ShowCaret(hwnd);
1268 }
1269 }
1270 else
1271 passToDefWnd = TRUE;
1272
1273 ImmReleaseContext( hwnd, himc );
1274
1275 if( passToDefWnd )
1276 {
1277 if( unicode )
1278 result = DefWindowProcW( hwnd, msg, wParam, lParam );
1279 else
1280 result = DefWindowProcA( hwnd, msg, wParam, lParam );
1281 }
1282 break;
1283 }
1284
1285 case WM_IME_COMPOSITIONFULL:
1286 DPRINTF_EDIT_MSG32("WM_IME_COMPOSITIONFULL");
1287 if( unicode )
1288 result = DefWindowProcW( hwnd, msg, wParam, lParam );
1289 else
1290 result = DefWindowProcA( hwnd, msg, wParam, lParam );
1291 break;
1292
1293 case WM_IME_CONTROL:
1294 DPRINTF_EDIT_MSG32("WM_IME_CONTROL");
1295 if( unicode )
1296 result = DefWindowProcW( hwnd, msg, wParam, lParam );
1297 else
1298 result = DefWindowProcA( hwnd, msg, wParam, lParam );
1299 break;
1300
1301 case WM_IME_ENDCOMPOSITION:
1302 DPRINTF_EDIT_MSG32("WM_IME_ENDCOMPOSITION");
1303
1304 if( es->compStr )
1305 {
1306 INT i;
1307
1308 DestroyCaret();
1309
1310 EDIT_EM_SetSel(hwnd, es, (UINT)-1, 0, FALSE);
1311 for( i = 0; i < es->compStrLen; i++ )
1312 EDIT_MoveForward(hwnd, es, TRUE);
1313 EDIT_WM_Clear(hwnd, es);
1314
1315 CreateCaret(hwnd, 0, 2, es->line_height);
1316 EDIT_SetCaretPos(hwnd, es, es->selection_end, es->flags & EF_AFTER_WRAP);
1317 ShowCaret(hwnd);
1318
1319 free( es->compStr );
1320 }
1321
1322 es->compStr = NULL;
1323 es->compStrLen = 0;
1324
1325 if( unicode )
1326 result = DefWindowProcW( hwnd, msg, wParam, lParam );
1327 else
1328 result = DefWindowProcA( hwnd, msg, wParam, lParam );
1329 break;
1330
1331 case WM_IME_NOTIFY:
1332 DPRINTF_EDIT_MSG32("WM_IME_NOTIFY");
1333
1334 if( wParam == IMN_SETSENTENCEMODE )
1335 {
1336 HIMC himc;
1337 DWORD conversionMode;
1338
1339 himc = ImmGetContext( hwnd );
1340
1341 ImmGetConversionStatus( himc, &conversionMode, &es->sentenceMode );
1342
1343 ImmReleaseContext( hwnd, himc );
1344 }
1345
1346 if( unicode )
1347 result = DefWindowProcW( hwnd, msg, wParam, lParam );
1348 else
1349 result = DefWindowProcA( hwnd, msg, wParam, lParam );
1350 break;
1351
1352 case WM_IME_REQUEST:
1353 DPRINTF_EDIT_MSG32("WM_IME_REQUEST");
1354 if( unicode )
1355 result = DefWindowProcW( hwnd, msg, wParam, lParam );
1356 else
1357 result = DefWindowProcA( hwnd, msg, wParam, lParam );
1358 break;
1359
1360 case WM_IME_SELECT:
1361 DPRINTF_EDIT_MSG32("WM_IME_SELECT");
1362 if( unicode )
1363 result = DefWindowProcW( hwnd, msg, wParam, lParam );
1364 else
1365 result = DefWindowProcA( hwnd, msg, wParam, lParam );
1366 break;
1367
1368 case WM_IME_SETCONTEXT:
1369 DPRINTF_EDIT_MSG32("WM_IME_SETCONTEXT");
1370
1371 dprintf(("ImmGetProperty %08lx", ImmGetProperty( 0, IGP_CONVERSION )));
1372
1373 if( unicode )
1374 result = DefWindowProcW( hwnd, msg, wParam, lParam );
1375 else
1376 result = DefWindowProcA( hwnd, msg, wParam, lParam );
1377 break;
1378
1379 case WM_IME_STARTCOMPOSITION:
1380 DPRINTF_EDIT_MSG32("WM_IME_STARTCOMPOSITION");
1381
1382 es->compStr = NULL;
1383 es->compStrLen = 0;
1384
1385 if( unicode )
1386 result = DefWindowProcW( hwnd, msg, wParam, lParam );
1387 else
1388 result = DefWindowProcA( hwnd, msg, wParam, lParam );
1389 break;
1390
1391 case EM_GETIMESTATUS:
1392 DPRINTF_EDIT_MSG32("EM_GETIMESTATUS");
1393 if( unicode )
1394 result = DefWindowProcW( hwnd, msg, wParam, lParam );
1395 else
1396 result = DefWindowProcA( hwnd, msg, wParam, lParam );
1397 break;
1398
1399 case EM_SETIMESTATUS:
1400 DPRINTF_EDIT_MSG32("EM_SETIMESTATUS");
1401 if( unicode )
1402 result = DefWindowProcW( hwnd, msg, wParam, lParam );
1403 else
1404 result = DefWindowProcA( hwnd, msg, wParam, lParam );
1405 break;
1406#endif
1407
1408 case WM_KEYDOWN:
1409 DPRINTF_EDIT_MSG32("WM_KEYDOWN");
1410 result = EDIT_WM_KeyDown(hwnd, es, (INT)wParam);
1411 break;
1412
1413 case WM_KILLFOCUS:
1414 DPRINTF_EDIT_MSG32("WM_KILLFOCUS");
1415 result = EDIT_WM_KillFocus(hwnd, es);
1416 break;
1417
1418 case WM_LBUTTONDBLCLK:
1419 DPRINTF_EDIT_MSG32("WM_LBUTTONDBLCLK");
1420 result = EDIT_WM_LButtonDblClk(hwnd, es);
1421 break;
1422
1423 case WM_LBUTTONDOWN:
1424 DPRINTF_EDIT_MSG32("WM_LBUTTONDOWN");
1425 result = EDIT_WM_LButtonDown(hwnd, es, (DWORD)wParam, SLOWORD(lParam), SHIWORD(lParam));
1426 break;
1427
1428 case WM_LBUTTONUP:
1429 DPRINTF_EDIT_MSG32("WM_LBUTTONUP");
1430 result = EDIT_WM_LButtonUp(hwnd, es);
1431 break;
1432
1433 case WM_MBUTTONDOWN:
1434 DPRINTF_EDIT_MSG32("WM_MBUTTONDOWN");
1435 result = EDIT_WM_MButtonDown(hwnd);
1436 break;
1437
1438 case WM_MOUSEACTIVATE:
1439 /*
1440 * FIXME: maybe DefWindowProc() screws up, but it seems that
1441 * modeless dialog boxes need this. If we don't do this, the focus
1442 * will _not_ be set by DefWindowProc() for edit controls in a
1443 * modeless dialog box ???
1444 */
1445 DPRINTF_EDIT_MSG32("WM_MOUSEACTIVATE");
1446 SetFocus(hwnd);
1447 result = MA_ACTIVATE;
1448 break;
1449
1450 case WM_MOUSEMOVE:
1451 /*
1452 * DPRINTF_EDIT_MSG32("WM_MOUSEMOVE");
1453 */
1454 result = EDIT_WM_MouseMove(hwnd, es, SLOWORD(lParam), SHIWORD(lParam));
1455 break;
1456
1457 case WM_PAINT:
1458 DPRINTF_EDIT_MSG32("WM_PAINT");
1459 EDIT_WM_Paint(hwnd, es, wParam);
1460 break;
1461
1462 case WM_PASTE:
1463 DPRINTF_EDIT_MSG32("WM_PASTE");
1464 EDIT_WM_Paste(hwnd, es);
1465 break;
1466
1467 case WM_SETFOCUS:
1468 DPRINTF_EDIT_MSG32("WM_SETFOCUS");
1469 EDIT_WM_SetFocus(hwnd, es);
1470 break;
1471
1472 case WM_SETFONT:
1473 DPRINTF_EDIT_MSG32("WM_SETFONT");
1474 EDIT_WM_SetFont(hwnd, es, (HFONT)wParam, LOWORD(lParam) != 0);
1475 break;
1476
1477 case WM_SETREDRAW:
1478 /* FIXME: actually set an internal flag and behave accordingly */
1479 break;
1480
1481 case WM_SETTEXT:
1482 DPRINTF_EDIT_MSG32("WM_SETTEXT");
1483 EDIT_WM_SetText(hwnd, es, lParam, unicode);
1484 result = TRUE;
1485 break;
1486
1487 case WM_SIZE:
1488 DPRINTF_EDIT_MSG32("WM_SIZE");
1489 EDIT_WM_Size(hwnd, es, (UINT)wParam, LOWORD(lParam), HIWORD(lParam));
1490 break;
1491
1492 case WM_STYLECHANGED:
1493 DPRINTF_EDIT_MSG32("WM_STYLECHANGED");
1494 result = EDIT_WM_StyleChanged (hwnd, es, wParam, (const STYLESTRUCT *)lParam);
1495 break;
1496
1497 case WM_STYLECHANGING:
1498 DPRINTF_EDIT_MSG32("WM_STYLECHANGING");
1499 result = 0; /* See EDIT_WM_StyleChanged */
1500 break;
1501
1502 case WM_SYSKEYDOWN:
1503 DPRINTF_EDIT_MSG32("WM_SYSKEYDOWN");
1504 result = EDIT_WM_SysKeyDown(hwnd, es, (INT)wParam, (DWORD)lParam);
1505 break;
1506
1507 case WM_TIMER:
1508 DPRINTF_EDIT_MSG32("WM_TIMER");
1509 EDIT_WM_Timer(hwnd, es);
1510 break;
1511
1512 case WM_VSCROLL:
1513 DPRINTF_EDIT_MSG32("WM_VSCROLL");
1514 result = EDIT_WM_VScroll(hwnd, es, LOWORD(wParam), SHIWORD(wParam));
1515 break;
1516
1517 case WM_MOUSEWHEEL:
1518 {
1519 int gcWheelDelta = 0;
1520 UINT pulScrollLines = 3;
1521 SystemParametersInfoW(SPI_GETWHEELSCROLLLINES,0, &pulScrollLines, 0);
1522
1523 if (wParam & (MK_SHIFT | MK_CONTROL)) {
1524 result = DefWindowProcW(hwnd, msg, wParam, lParam);
1525 break;
1526 }
1527 gcWheelDelta -= SHIWORD(wParam);
1528 if (abs(gcWheelDelta) >= WHEEL_DELTA && pulScrollLines)
1529 {
1530 int cLineScroll= (int) min((UINT) es->line_count, pulScrollLines);
1531 cLineScroll *= (gcWheelDelta / WHEEL_DELTA);
1532 result = EDIT_EM_LineScroll(hwnd, es, 0, cLineScroll);
1533 }
1534 }
1535 break;
1536 default:
1537 if(unicode)
1538 result = DefWindowProcW(hwnd, msg, wParam, lParam);
1539 else
1540 result = DefWindowProcA(hwnd, msg, wParam, lParam);
1541 break;
1542 }
1543 EDIT_UnlockBuffer(hwnd, es, FALSE);
1544 END:
1545 return result;
1546}
1547
1548/*********************************************************************
1549 *
1550 * EditWndProcW (USER32.@)
1551 */
1552LRESULT WINAPI EditWndProcW(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
1553{
1554 if (!IsWindow( hWnd )) return 0;
1555 return EditWndProc_common(hWnd, uMsg, wParam, lParam, TRUE);
1556}
1557
1558/*********************************************************************
1559 *
1560 * EditWndProc (USER32.@)
1561 */
1562LRESULT WINAPI EditWndProcA(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
1563{
1564 if (!IsWindow( hWnd )) return 0;
1565 return EditWndProc_common(hWnd, uMsg, wParam, lParam, FALSE);
1566}
1567
1568/*********************************************************************
1569 *
1570 * EDIT_BuildLineDefs_ML
1571 *
1572 * Build linked list of text lines.
1573 * Lines can end with '\0' (last line), a character (if it is wrapped),
1574 * a soft return '\r\r\n' or a hard return '\r\n'
1575 *
1576 */
1577static void EDIT_BuildLineDefs_ML(HWND hwnd, EDITSTATE *es, INT istart, INT iend, INT delta, HRGN hrgn)
1578{
1579 HDC dc;
1580 HFONT old_font = 0;
1581 LPWSTR current_position, cp;
1582 INT fw;
1583 LINEDEF *current_line;
1584 LINEDEF *previous_line;
1585 LINEDEF *start_line;
1586 INT line_index = 0, nstart_line = 0, nstart_index = 0;
1587 INT line_count = es->line_count;
1588 INT orig_net_length;
1589 RECT rc;
1590
1591 if (istart == iend && delta == 0)
1592 return;
1593
1594 dc = GetDC(hwnd);
1595 if (es->font)
1596 old_font = SelectObject(dc, es->font);
1597
1598 previous_line = NULL;
1599 current_line = es->first_line_def;
1600
1601 /* Find starting line. istart must lie inside an existing line or
1602 * at the end of buffer */
1603 do {
1604 if (istart < current_line->index + current_line->length ||
1605 current_line->ending == END_0)
1606 break;
1607
1608 previous_line = current_line;
1609 current_line = current_line->next;
1610 line_index++;
1611 } while (current_line);
1612
1613 if (!current_line) /* Error occurred start is not inside previous buffer */
1614 {
1615 FIXME(" modification occurred outside buffer\n");
1616 return;
1617 }
1618
1619 /* Remember start of modifications in order to calculate update region */
1620 nstart_line = line_index;
1621 nstart_index = current_line->index;
1622
1623 /* We must start to reformat from the previous line since the modifications
1624 * may have caused the line to wrap upwards. */
1625 if (!(es->style & ES_AUTOHSCROLL) && line_index > 0)
1626 {
1627 line_index--;
1628 current_line = previous_line;
1629 }
1630 start_line = current_line;
1631
1632 fw = es->format_rect.right - es->format_rect.left;
1633 current_position = es->text + current_line->index;
1634 do {
1635 if (current_line != start_line)
1636 {
1637 if (!current_line || current_line->index + delta > current_position - es->text)
1638 {
1639 /* The buffer has been expanded, create a new line and
1640 insert it into the link list */
1641 LINEDEF *new_line = HeapAlloc(GetProcessHeap(), 0, sizeof(LINEDEF));
1642 new_line->next = previous_line->next;
1643 previous_line->next = new_line;
1644 current_line = new_line;
1645 es->line_count++;
1646 }
1647 else if (current_line->index + delta < current_position - es->text)
1648 {
1649 /* The previous line merged with this line so we delete this extra entry */
1650 previous_line->next = current_line->next;
1651 HeapFree(GetProcessHeap(), 0, current_line);
1652 current_line = previous_line->next;
1653 es->line_count--;
1654 continue;
1655 }
1656 else /* current_line->index + delta == current_position */
1657 {
1658 if (current_position - es->text > iend)
1659 break; /* We reached end of line modifications */
1660 /* else recalulate this line */
1661 }
1662 }
1663
1664 current_line->index = current_position - es->text;
1665 orig_net_length = current_line->net_length;
1666
1667 /* Find end of line */
1668 cp = current_position;
1669 while (*cp) {
1670 if ((*cp == '\r') && (*(cp + 1) == '\n'))
1671 break;
1672 cp++;
1673 }
1674
1675 /* Mark type of line termination */
1676 if (!(*cp)) {
1677 current_line->ending = END_0;
1678 current_line->net_length = strlenW(current_position);
1679 } else if ((cp > current_position) && (*(cp - 1) == '\r')) {
1680 current_line->ending = END_SOFT;
1681 current_line->net_length = cp - current_position - 1;
1682 } else {
1683 current_line->ending = END_HARD;
1684 current_line->net_length = cp - current_position;
1685 }
1686
1687 /* Calculate line width */
1688 current_line->width = (INT)LOWORD(GetTabbedTextExtentW(dc,
1689 current_position, current_line->net_length,
1690 es->tabs_count, es->tabs));
1691
1692 /* FIXME: check here for lines that are too wide even in AUTOHSCROLL (> 32767 ???) */
1693 if ((!(es->style & ES_AUTOHSCROLL)) && (current_line->width > fw)) {
1694 INT next = 0;
1695 INT prev;
1696 do {
1697 prev = next;
1698 next = EDIT_CallWordBreakProc(es, current_position - es->text,
1699 prev + 1, current_line->net_length, WB_RIGHT);
1700 current_line->width = (INT)LOWORD(GetTabbedTextExtentW(dc,
1701 current_position, next, es->tabs_count, es->tabs));
1702 } while (current_line->width <= fw);
1703 if (!prev) { /* Didn't find a line break so force a break */
1704 next = 0;
1705 do {
1706 prev = next;
1707 next++;
1708 current_line->width = (INT)LOWORD(GetTabbedTextExtentW(dc,
1709 current_position, next, es->tabs_count, es->tabs));
1710 } while (current_line->width <= fw);
1711 if (!prev)
1712 prev = 1;
1713 }
1714
1715 /* If the first line we are calculating, wrapped before istart, we must
1716 * adjust istart in order for this to be reflected in the update region. */
1717 if (current_line->index == nstart_index && istart > current_line->index + prev)
1718 istart = current_line->index + prev;
1719 /* else if we are updating the previous line before the first line we
1720 * are re-calculating and it expanded */
1721 else if (current_line == start_line &&
1722 current_line->index != nstart_index && orig_net_length < prev)
1723 {
1724 /* Line expanded due to an upwards line wrap so we must partially include
1725 * previous line in update region */
1726 nstart_line = line_index;
1727 nstart_index = current_line->index;
1728 istart = current_line->index + orig_net_length;
1729 }
1730
1731 current_line->net_length = prev;
1732 current_line->ending = END_WRAP;
1733 current_line->width = (INT)LOWORD(GetTabbedTextExtentW(dc, current_position,
1734 current_line->net_length, es->tabs_count, es->tabs));
1735 }
1736
1737
1738 /* Adjust length to include line termination */
1739 switch (current_line->ending) {
1740 case END_SOFT:
1741 current_line->length = current_line->net_length + 3;
1742 break;
1743 case END_HARD:
1744 current_line->length = current_line->net_length + 2;
1745 break;
1746 case END_WRAP:
1747 case END_0:
1748 current_line->length = current_line->net_length;
1749 break;
1750 }
1751 es->text_width = max(es->text_width, current_line->width);
1752 current_position += current_line->length;
1753 previous_line = current_line;
1754 current_line = current_line->next;
1755 line_index++;
1756 } while (previous_line->ending != END_0);
1757
1758 /* Finish adjusting line indexes by delta or remove hanging lines */
1759 if (previous_line->ending == END_0)
1760 {
1761 LINEDEF *pnext = NULL;
1762
1763 previous_line->next = NULL;
1764 while (current_line)
1765 {
1766 pnext = current_line->next;
1767 HeapFree(GetProcessHeap(), 0, current_line);
1768 current_line = pnext;
1769 es->line_count--;
1770 }
1771 }
1772 else
1773 {
1774 while (current_line)
1775 {
1776 current_line->index += delta;
1777 current_line = current_line->next;
1778 }
1779 }
1780
1781 /* Calculate rest of modification rectangle */
1782 if (hrgn)
1783 {
1784 HRGN tmphrgn;
1785 /*
1786 * We calculate two rectangles. One for the first line which may have
1787 * an indent with respect to the format rect. The other is a format-width
1788 * rectangle that spans the rest of the lines that changed or moved.
1789 */
1790 rc.top = es->format_rect.top + nstart_line * es->line_height -
1791 (es->y_offset * es->line_height); /* Adjust for vertical scrollbar */
1792 rc.bottom = rc.top + es->line_height;
1793 rc.left = es->format_rect.left + (INT)LOWORD(GetTabbedTextExtentW(dc,
1794 es->text + nstart_index, istart - nstart_index,
1795 es->tabs_count, es->tabs)) - es->x_offset; /* Adjust for horz scroll */
1796 rc.right = es->format_rect.right;
1797 SetRectRgn(hrgn, rc.left, rc.top, rc.right, rc.bottom);
1798
1799 rc.top = rc.bottom;
1800 rc.left = es->format_rect.left;
1801 rc.right = es->format_rect.right;
1802 /*
1803 * If lines were added or removed we must re-paint the remainder of the
1804 * lines since the remaining lines were either shifted up or down.
1805 */
1806 if (line_count < es->line_count) /* We added lines */
1807 rc.bottom = es->line_count * es->line_height;
1808 else if (line_count > es->line_count) /* We removed lines */
1809 rc.bottom = line_count * es->line_height;
1810 else
1811 rc.bottom = line_index * es->line_height;
1812 rc.bottom -= (es->y_offset * es->line_height); /* Adjust for vertical scrollbar */
1813 tmphrgn = CreateRectRgn(rc.left, rc.top, rc.right, rc.bottom);
1814 CombineRgn(hrgn, hrgn, tmphrgn, RGN_OR);
1815 DeleteObject(tmphrgn);
1816 }
1817
1818 if (es->font)
1819 SelectObject(dc, old_font);
1820
1821 ReleaseDC(hwnd, dc);
1822}
1823
1824/*********************************************************************
1825 *
1826 * EDIT_CalcLineWidth_SL
1827 *
1828 */
1829static void EDIT_CalcLineWidth_SL(HWND hwnd, EDITSTATE *es)
1830{
1831 es->text_width = SLOWORD(EDIT_EM_PosFromChar(hwnd, es, strlenW(es->text), FALSE));
1832}
1833
1834/*********************************************************************
1835 *
1836 * EDIT_CallWordBreakProc
1837 *
1838 * Call appropriate WordBreakProc (internal or external).
1839 *
1840 * Note: The "start" argument should always be an index referring
1841 * to es->text. The actual wordbreak proc might be
1842 * 16 bit, so we can't always pass any 32 bit LPSTR.
1843 * Hence we assume that es->text is the buffer that holds
1844 * the string under examination (we can decide this for ourselves).
1845 *
1846 */
1847/* ### start build ### */
1848extern WORD CALLBACK EDIT_CallTo16_word_lwww(EDITWORDBREAKPROC16,SEGPTR,WORD,WORD,WORD);
1849/* ### stop build ### */
1850static INT EDIT_CallWordBreakProc(EDITSTATE *es, INT start, INT index, INT count, INT action)
1851{
1852 INT ret, iWndsLocks;
1853
1854 /* To avoid any deadlocks, all the locks on the window structures
1855 must be suspended before the control is passed to the application */
1856 iWndsLocks = WIN_SuspendWndsLock();
1857
1858#ifndef __WIN32OS2__
1859 if (es->word_break_proc16) {
1860 HGLOBAL16 hglob16;
1861 SEGPTR segptr;
1862 INT countA;
1863
1864 countA = WideCharToMultiByte(CP_ACP, 0, es->text + start, count, NULL, 0, NULL, NULL);
1865 hglob16 = GlobalAlloc16(GMEM_MOVEABLE | GMEM_ZEROINIT, countA);
1866 segptr = K32WOWGlobalLock16(hglob16);
1867 WideCharToMultiByte(CP_ACP, 0, es->text + start, count, MapSL(segptr), countA, NULL, NULL);
1868 ret = (INT)EDIT_CallTo16_word_lwww(es->word_break_proc16,
1869 segptr, index, countA, action);
1870 GlobalUnlock16(hglob16);
1871 GlobalFree16(hglob16);
1872 }
1873 else
1874#endif
1875 if (es->word_break_proc)
1876 {
1877 if(es->is_unicode)
1878 {
1879 EDITWORDBREAKPROCW wbpW = (EDITWORDBREAKPROCW)es->word_break_proc;
1880
1881 TRACE_(relay)("(UNICODE wordbrk=%p,str=%s,idx=%d,cnt=%d,act=%d)\n",
1882 es->word_break_proc, debugstr_wn(es->text + start, count), index, count, action);
1883 ret = wbpW(es->text + start, index, count, action);
1884 }
1885 else
1886 {
1887 EDITWORDBREAKPROCA wbpA = (EDITWORDBREAKPROCA)es->word_break_proc;
1888 INT countA;
1889 CHAR *textA;
1890
1891 countA = WideCharToMultiByte(CP_ACP, 0, es->text + start, count, NULL, 0, NULL, NULL);
1892 textA = HeapAlloc(GetProcessHeap(), 0, countA);
1893 WideCharToMultiByte(CP_ACP, 0, es->text + start, count, textA, countA, NULL, NULL);
1894 TRACE_(relay)("(ANSI wordbrk=%p,str=%s,idx=%d,cnt=%d,act=%d)\n",
1895 es->word_break_proc, debugstr_an(textA, countA), index, countA, action);
1896 ret = wbpA(textA, index, countA, action);
1897 HeapFree(GetProcessHeap(), 0, textA);
1898 }
1899 }
1900 else
1901 ret = EDIT_WordBreakProc(es->text + start, index, count, action);
1902
1903 WIN_RestoreWndsLock(iWndsLocks);
1904 return ret;
1905}
1906
1907
1908/*********************************************************************
1909 *
1910 * EDIT_CharFromPos
1911 *
1912 * Beware: This is not the function called on EM_CHARFROMPOS
1913 * The position _can_ be outside the formatting / client
1914 * rectangle
1915 * The return value is only the character index
1916 *
1917 */
1918static INT EDIT_CharFromPos(HWND hwnd, EDITSTATE *es, INT x, INT y, LPBOOL after_wrap)
1919{
1920 INT index;
1921 HDC dc;
1922 HFONT old_font = 0;
1923
1924 if (es->style & ES_MULTILINE) {
1925 INT line = (y - es->format_rect.top) / es->line_height + es->y_offset;
1926 INT line_index = 0;
1927 LINEDEF *line_def = es->first_line_def;
1928 INT low, high;
1929 while ((line > 0) && line_def->next) {
1930 line_index += line_def->length;
1931 line_def = line_def->next;
1932 line--;
1933 }
1934 x += es->x_offset - es->format_rect.left;
1935 if (x >= line_def->width) {
1936 if (after_wrap)
1937 *after_wrap = (line_def->ending == END_WRAP);
1938 return line_index + line_def->net_length;
1939 }
1940 if (x <= 0) {
1941 if (after_wrap)
1942 *after_wrap = FALSE;
1943 return line_index;
1944 }
1945 dc = GetDC(hwnd);
1946 if (es->font)
1947 old_font = SelectObject(dc, es->font);
1948 low = line_index + 1;
1949 high = line_index + line_def->net_length + 1;
1950 while (low < high - 1)
1951 {
1952 INT mid = (low + high) / 2;
1953 if (LOWORD(GetTabbedTextExtentW(dc, es->text + line_index,mid - line_index, es->tabs_count, es->tabs)) > x) high = mid;
1954 else low = mid;
1955 }
1956 index = low;
1957
1958 if (after_wrap)
1959 *after_wrap = ((index == line_index + line_def->net_length) &&
1960 (line_def->ending == END_WRAP));
1961 } else {
1962 LPWSTR text;
1963 SIZE size;
1964 if (after_wrap)
1965 *after_wrap = FALSE;
1966 x -= es->format_rect.left;
1967 if (!x)
1968 return es->x_offset;
1969 text = EDIT_GetPasswordPointer_SL(es);
1970 dc = GetDC(hwnd);
1971 if (es->font)
1972 old_font = SelectObject(dc, es->font);
1973 if (x < 0)
1974 {
1975 INT low = 0;
1976 INT high = es->x_offset;
1977 while (low < high - 1)
1978 {
1979 INT mid = (low + high) / 2;
1980 GetTextExtentPoint32W( dc, text + mid,
1981 es->x_offset - mid, &size );
1982 if (size.cx > -x) low = mid;
1983 else high = mid;
1984 }
1985 index = low;
1986 }
1987 else
1988 {
1989 INT low = es->x_offset;
1990 INT high = strlenW(es->text) + 1;
1991 while (low < high - 1)
1992 {
1993 INT mid = (low + high) / 2;
1994 GetTextExtentPoint32W( dc, text + es->x_offset,
1995 mid - es->x_offset, &size );
1996 if (size.cx > x) high = mid;
1997 else low = mid;
1998 }
1999 index = low;
2000 }
2001 if (es->style & ES_PASSWORD)
2002 HeapFree(GetProcessHeap(), 0, text);
2003 }
2004 if (es->font)
2005 SelectObject(dc, old_font);
2006 ReleaseDC(hwnd, dc);
2007 return index;
2008}
2009
2010
2011/*********************************************************************
2012 *
2013 * EDIT_ConfinePoint
2014 *
2015 * adjusts the point to be within the formatting rectangle
2016 * (so CharFromPos returns the nearest _visible_ character)
2017 *
2018 */
2019static void EDIT_ConfinePoint(EDITSTATE *es, LPINT x, LPINT y)
2020{
2021 *x = min(max(*x, es->format_rect.left), es->format_rect.right - 1);
2022 *y = min(max(*y, es->format_rect.top), es->format_rect.bottom - 1);
2023}
2024
2025
2026/*********************************************************************
2027 *
2028 * EDIT_GetLineRect
2029 *
2030 * Calculates the bounding rectangle for a line from a starting
2031 * column to an ending column.
2032 *
2033 */
2034static void EDIT_GetLineRect(HWND hwnd, EDITSTATE *es, INT line, INT scol, INT ecol, LPRECT rc)
2035{
2036 INT line_index = EDIT_EM_LineIndex(es, line);
2037
2038 if (es->style & ES_MULTILINE)
2039 rc->top = es->format_rect.top + (line - es->y_offset) * es->line_height;
2040 else
2041 rc->top = es->format_rect.top;
2042 rc->bottom = rc->top + es->line_height;
2043 rc->left = (scol == 0) ? es->format_rect.left : SLOWORD(EDIT_EM_PosFromChar(hwnd, es, line_index + scol, TRUE));
2044 rc->right = (ecol == -1) ? es->format_rect.right : SLOWORD(EDIT_EM_PosFromChar(hwnd, es, line_index + ecol, TRUE));
2045}
2046
2047
2048/*********************************************************************
2049 *
2050 * EDIT_GetPasswordPointer_SL
2051 *
2052 * note: caller should free the (optionally) allocated buffer
2053 *
2054 */
2055static LPWSTR EDIT_GetPasswordPointer_SL(EDITSTATE *es)
2056{
2057 if (es->style & ES_PASSWORD) {
2058 INT len = strlenW(es->text);
2059 LPWSTR text = HeapAlloc(GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR));
2060 text[len] = '\0';
2061 while(len) text[--len] = es->password_char;
2062 return text;
2063 } else
2064 return es->text;
2065}
2066
2067
2068/*********************************************************************
2069 *
2070 * EDIT_LockBuffer
2071 *
2072 * This acts as a LOCAL_Lock(), but it locks only once. This way
2073 * you can call it whenever you like, without unlocking.
2074 *
2075 */
2076static void EDIT_LockBuffer(HWND hwnd, EDITSTATE *es)
2077{
2078 HINSTANCE hInstance = GetWindowLongA( hwnd, GWL_HINSTANCE );
2079 if (!es) {
2080 ERR("no EDITSTATE ... please report\n");
2081 return;
2082 }
2083 if (!es->text) {
2084 CHAR *textA = NULL;
2085 UINT countA = 0;
2086 BOOL _16bit = FALSE;
2087
2088 if(es->hloc32W)
2089 {
2090 if(es->hloc32A)
2091 {
2092 TRACE("Synchronizing with 32-bit ANSI buffer\n");
2093 textA = LocalLock(es->hloc32A);
2094 countA = strlen(textA) + 1;
2095 }
2096 else if(es->hloc16)
2097 {
2098 TRACE("Synchronizing with 16-bit ANSI buffer\n");
2099 textA = LOCAL_Lock(hInstance, es->hloc16);
2100 countA = strlen(textA) + 1;
2101 _16bit = TRUE;
2102 }
2103 }
2104 else {
2105 ERR("no buffer ... please report\n");
2106 return;
2107 }
2108
2109 if(textA)
2110 {
2111 HLOCAL hloc32W_new;
2112 UINT countW_new = MultiByteToWideChar(CP_ACP, 0, textA, countA, NULL, 0);
2113 TRACE("%d bytes translated to %d WCHARs\n", countA, countW_new);
2114 if(countW_new > es->buffer_size + 1)
2115 {
2116 UINT alloc_size = ROUND_TO_GROW(countW_new * sizeof(WCHAR));
2117 TRACE("Resizing 32-bit UNICODE buffer from %d+1 to %d WCHARs\n", es->buffer_size, countW_new);
2118 hloc32W_new = LocalReAlloc(es->hloc32W, alloc_size, LMEM_MOVEABLE | LMEM_ZEROINIT);
2119 if(hloc32W_new)
2120 {
2121 es->hloc32W = hloc32W_new;
2122 es->buffer_size = LocalSize(hloc32W_new)/sizeof(WCHAR) - 1;
2123 TRACE("Real new size %d+1 WCHARs\n", es->buffer_size);
2124 }
2125 else
2126 WARN("FAILED! Will synchronize partially\n");
2127 }
2128 }
2129
2130 /*TRACE("Locking 32-bit UNICODE buffer\n");*/
2131 es->text = LocalLock(es->hloc32W);
2132
2133 if(textA)
2134 {
2135 MultiByteToWideChar(CP_ACP, 0, textA, countA, es->text, es->buffer_size + 1);
2136 if(_16bit)
2137 LOCAL_Unlock(hInstance, es->hloc16);
2138 else
2139 LocalUnlock(es->hloc32A);
2140 }
2141 }
2142 es->lock_count++;
2143}
2144
2145
2146/*********************************************************************
2147 *
2148 * EDIT_SL_InvalidateText
2149 *
2150 * Called from EDIT_InvalidateText().
2151 * Does the job for single-line controls only.
2152 *
2153 */
2154static void EDIT_SL_InvalidateText(HWND hwnd, EDITSTATE *es, INT start, INT end)
2155{
2156 RECT line_rect;
2157 RECT rc;
2158
2159 EDIT_GetLineRect(hwnd, es, 0, start, end, &line_rect);
2160 if (IntersectRect(&rc, &line_rect, &es->format_rect))
2161 EDIT_UpdateText(hwnd, es, &rc, FALSE);
2162}
2163
2164
2165/*********************************************************************
2166 *
2167 * EDIT_ML_InvalidateText
2168 *
2169 * Called from EDIT_InvalidateText().
2170 * Does the job for multi-line controls only.
2171 *
2172 */
2173static void EDIT_ML_InvalidateText(HWND hwnd, EDITSTATE *es, INT start, INT end)
2174{
2175 INT vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
2176 INT sl = EDIT_EM_LineFromChar(es, start);
2177 INT el = EDIT_EM_LineFromChar(es, end);
2178 INT sc;
2179 INT ec;
2180 RECT rc1;
2181 RECT rcWnd;
2182 RECT rcLine;
2183 RECT rcUpdate;
2184 INT l;
2185
2186 if ((el < es->y_offset) || (sl > es->y_offset + vlc))
2187 return;
2188
2189 sc = start - EDIT_EM_LineIndex(es, sl);
2190 ec = end - EDIT_EM_LineIndex(es, el);
2191 if (sl < es->y_offset) {
2192 sl = es->y_offset;
2193 sc = 0;
2194 }
2195 if (el > es->y_offset + vlc) {
2196 el = es->y_offset + vlc;
2197 ec = EDIT_EM_LineLength(es, EDIT_EM_LineIndex(es, el));
2198 }
2199 GetClientRect(hwnd, &rc1);
2200 IntersectRect(&rcWnd, &rc1, &es->format_rect);
2201 if (sl == el) {
2202 EDIT_GetLineRect(hwnd, es, sl, sc, ec, &rcLine);
2203 if (IntersectRect(&rcUpdate, &rcWnd, &rcLine))
2204 EDIT_UpdateText(hwnd, es, &rcUpdate, FALSE);
2205 } else {
2206 EDIT_GetLineRect(hwnd, es, sl, sc,
2207 EDIT_EM_LineLength(es,
2208 EDIT_EM_LineIndex(es, sl)),
2209 &rcLine);
2210 if (IntersectRect(&rcUpdate, &rcWnd, &rcLine))
2211 EDIT_UpdateText(hwnd, es, &rcUpdate, FALSE);
2212 for (l = sl + 1 ; l < el ; l++) {
2213 EDIT_GetLineRect(hwnd, es, l, 0,
2214 EDIT_EM_LineLength(es,
2215 EDIT_EM_LineIndex(es, l)),
2216 &rcLine);
2217 if (IntersectRect(&rcUpdate, &rcWnd, &rcLine))
2218 EDIT_UpdateText(hwnd, es, &rcUpdate, FALSE);
2219 }
2220 EDIT_GetLineRect(hwnd, es, el, 0, ec, &rcLine);
2221 if (IntersectRect(&rcUpdate, &rcWnd, &rcLine))
2222 EDIT_UpdateText(hwnd, es, &rcUpdate, FALSE);
2223 }
2224}
2225
2226
2227/*********************************************************************
2228 *
2229 * EDIT_InvalidateText
2230 *
2231 * Invalidate the text from offset start upto, but not including,
2232 * offset end. Useful for (re)painting the selection.
2233 * Regions outside the linewidth are not invalidated.
2234 * end == -1 means end == TextLength.
2235 * start and end need not be ordered.
2236 *
2237 */
2238static void EDIT_InvalidateText(HWND hwnd, EDITSTATE *es, INT start, INT end)
2239{
2240 if (end == start)
2241 return;
2242
2243 if (end == -1)
2244 end = strlenW(es->text);
2245
2246 ORDER_INT(start, end);
2247
2248 if (es->style & ES_MULTILINE)
2249 EDIT_ML_InvalidateText(hwnd, es, start, end);
2250 else
2251 EDIT_SL_InvalidateText(hwnd, es, start, end);
2252}
2253
2254
2255/*********************************************************************
2256 *
2257 * EDIT_MakeFit
2258 *
2259 * Try to fit size + 1 characters in the buffer. Constrain to limits.
2260 *
2261 */
2262static BOOL EDIT_MakeFit(HWND hwnd, EDITSTATE *es, UINT size)
2263{
2264 HLOCAL hNew32W;
2265
2266 if (size <= es->buffer_size)
2267 return TRUE;
2268#ifndef __WIN32OS2__
2269//SvL: EM_SETTEXTLIMIT has no effect in
2270// NT4, SP6 (EM_GETTEXTLIMIT only returns that value).
2271// Limits are simply ignored, no EN_MAXTEXT notification is ever sent.
2272// (fixes license edit control in Microsoft Visual C++ 4.2 install)
2273
2274 if (size > es->buffer_limit) {
2275 EDIT_NOTIFY_PARENT(hwnd, es, EN_MAXTEXT, "EN_MAXTEXT");
2276 return FALSE;
2277 }
2278 if (size > es->buffer_limit)
2279 size = es->buffer_limit;
2280#endif
2281
2282 TRACE("trying to ReAlloc to %d+1 characters\n", size);
2283
2284 /* Force edit to unlock it's buffer. es->text now NULL */
2285 EDIT_UnlockBuffer(hwnd, es, TRUE);
2286
2287 if (es->hloc32W) {
2288 UINT alloc_size = ROUND_TO_GROW((size + 1) * sizeof(WCHAR));
2289 if ((hNew32W = LocalReAlloc(es->hloc32W, alloc_size, LMEM_MOVEABLE | LMEM_ZEROINIT)) != 0) {
2290 TRACE("Old 32 bit handle %08x, new handle %08x\n", es->hloc32W, hNew32W);
2291 es->hloc32W = hNew32W;
2292 es->buffer_size = LocalSize(hNew32W)/sizeof(WCHAR) - 1;
2293 }
2294 }
2295
2296 EDIT_LockBuffer(hwnd, es);
2297
2298 if (es->buffer_size < size) {
2299 WARN("FAILED ! We now have %d+1\n", es->buffer_size);
2300 EDIT_NOTIFY_PARENT(hwnd, es, EN_ERRSPACE, "EN_ERRSPACE");
2301 return FALSE;
2302 } else {
2303 TRACE("We now have %d+1\n", es->buffer_size);
2304 return TRUE;
2305 }
2306}
2307
2308
2309/*********************************************************************
2310 *
2311 * EDIT_MakeUndoFit
2312 *
2313 * Try to fit size + 1 bytes in the undo buffer.
2314 *
2315 */
2316static BOOL EDIT_MakeUndoFit(EDITSTATE *es, UINT size)
2317{
2318 UINT alloc_size;
2319
2320 if (size <= es->undo_buffer_size)
2321 return TRUE;
2322
2323 TRACE("trying to ReAlloc to %d+1\n", size);
2324
2325 alloc_size = ROUND_TO_GROW((size + 1) * sizeof(WCHAR));
2326 if ((es->undo_text = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, es->undo_text, alloc_size)) != 0) {
2327#ifdef __WIN32OS2__
2328 es->undo_buffer_size = alloc_size/sizeof(WCHAR) - 1;
2329#else
2330 es->undo_buffer_size = alloc_size/sizeof(WCHAR);
2331#endif
2332 return TRUE;
2333 }
2334 else
2335 {
2336 WARN("FAILED ! We now have %d+1\n", es->undo_buffer_size);
2337 return FALSE;
2338 }
2339}
2340
2341
2342/*********************************************************************
2343 *
2344 * EDIT_MoveBackward
2345 *
2346 */
2347static void EDIT_MoveBackward(HWND hwnd, EDITSTATE *es, BOOL extend)
2348{
2349 INT e = es->selection_end;
2350
2351 if (e) {
2352 e--;
2353 if ((es->style & ES_MULTILINE) && e &&
2354 (es->text[e - 1] == '\r') && (es->text[e] == '\n')) {
2355 e--;
2356 if (e && (es->text[e - 1] == '\r'))
2357 e--;
2358 }
2359 }
2360 EDIT_EM_SetSel(hwnd, es, extend ? es->selection_start : e, e, FALSE);
2361 EDIT_EM_ScrollCaret(hwnd, es);
2362}
2363
2364
2365/*********************************************************************
2366 *
2367 * EDIT_MoveDown_ML
2368 *
2369 * Only for multi line controls
2370 * Move the caret one line down, on a column with the nearest
2371 * x coordinate on the screen (might be a different column).
2372 *
2373 */
2374static void EDIT_MoveDown_ML(HWND hwnd, EDITSTATE *es, BOOL extend)
2375{
2376 INT s = es->selection_start;
2377 INT e = es->selection_end;
2378 BOOL after_wrap = (es->flags & EF_AFTER_WRAP);
2379 LRESULT pos = EDIT_EM_PosFromChar(hwnd, es, e, after_wrap);
2380 INT x = SLOWORD(pos);
2381 INT y = SHIWORD(pos);
2382
2383 e = EDIT_CharFromPos(hwnd, es, x, y + es->line_height, &after_wrap);
2384 if (!extend)
2385 s = e;
2386 EDIT_EM_SetSel(hwnd, es, s, e, after_wrap);
2387 EDIT_EM_ScrollCaret(hwnd, es);
2388}
2389
2390
2391/*********************************************************************
2392 *
2393 * EDIT_MoveEnd
2394 *
2395 */
2396static void EDIT_MoveEnd(HWND hwnd, EDITSTATE *es, BOOL extend)
2397{
2398 BOOL after_wrap = FALSE;
2399 INT e;
2400
2401 /* Pass a high value in x to make sure of receiving the end of the line */
2402 if (es->style & ES_MULTILINE)
2403 e = EDIT_CharFromPos(hwnd, es, 0x3fffffff,
2404 HIWORD(EDIT_EM_PosFromChar(hwnd, es, es->selection_end, es->flags & EF_AFTER_WRAP)), &after_wrap);
2405 else
2406 e = strlenW(es->text);
2407 EDIT_EM_SetSel(hwnd, es, extend ? es->selection_start : e, e, after_wrap);
2408 EDIT_EM_ScrollCaret(hwnd, es);
2409}
2410
2411
2412/*********************************************************************
2413 *
2414 * EDIT_MoveForward
2415 *
2416 */
2417static void EDIT_MoveForward(HWND hwnd, EDITSTATE *es, BOOL extend)
2418{
2419 INT e = es->selection_end;
2420
2421 if (es->text[e]) {
2422 e++;
2423 if ((es->style & ES_MULTILINE) && (es->text[e - 1] == '\r')) {
2424 if (es->text[e] == '\n')
2425 e++;
2426 else if ((es->text[e] == '\r') && (es->text[e + 1] == '\n'))
2427 e += 2;
2428 }
2429 }
2430 EDIT_EM_SetSel(hwnd, es, extend ? es->selection_start : e, e, FALSE);
2431 EDIT_EM_ScrollCaret(hwnd, es);
2432}
2433
2434
2435/*********************************************************************
2436 *
2437 * EDIT_MoveHome
2438 *
2439 * Home key: move to beginning of line.
2440 *
2441 */
2442static void EDIT_MoveHome(HWND hwnd, EDITSTATE *es, BOOL extend)
2443{
2444 INT e;
2445
2446 /* Pass the x_offset in x to make sure of receiving the first position of the line */
2447 if (es->style & ES_MULTILINE)
2448 e = EDIT_CharFromPos(hwnd, es, -es->x_offset,
2449 HIWORD(EDIT_EM_PosFromChar(hwnd, es, es->selection_end, es->flags & EF_AFTER_WRAP)), NULL);
2450 else
2451 e = 0;
2452 EDIT_EM_SetSel(hwnd, es, extend ? es->selection_start : e, e, FALSE);
2453 EDIT_EM_ScrollCaret(hwnd, es);
2454}
2455
2456
2457/*********************************************************************
2458 *
2459 * EDIT_MovePageDown_ML
2460 *
2461 * Only for multi line controls
2462 * Move the caret one page down, on a column with the nearest
2463 * x coordinate on the screen (might be a different column).
2464 *
2465 */
2466static void EDIT_MovePageDown_ML(HWND hwnd, EDITSTATE *es, BOOL extend)
2467{
2468 INT s = es->selection_start;
2469 INT e = es->selection_end;
2470 BOOL after_wrap = (es->flags & EF_AFTER_WRAP);
2471 LRESULT pos = EDIT_EM_PosFromChar(hwnd, es, e, after_wrap);
2472 INT x = SLOWORD(pos);
2473 INT y = SHIWORD(pos);
2474
2475 e = EDIT_CharFromPos(hwnd, es, x,
2476 y + (es->format_rect.bottom - es->format_rect.top),
2477 &after_wrap);
2478 if (!extend)
2479 s = e;
2480 EDIT_EM_SetSel(hwnd, es, s, e, after_wrap);
2481 EDIT_EM_ScrollCaret(hwnd, es);
2482}
2483
2484
2485/*********************************************************************
2486 *
2487 * EDIT_MovePageUp_ML
2488 *
2489 * Only for multi line controls
2490 * Move the caret one page up, on a column with the nearest
2491 * x coordinate on the screen (might be a different column).
2492 *
2493 */
2494static void EDIT_MovePageUp_ML(HWND hwnd, EDITSTATE *es, BOOL extend)
2495{
2496 INT s = es->selection_start;
2497 INT e = es->selection_end;
2498 BOOL after_wrap = (es->flags & EF_AFTER_WRAP);
2499 LRESULT pos = EDIT_EM_PosFromChar(hwnd, es, e, after_wrap);
2500 INT x = SLOWORD(pos);
2501 INT y = SHIWORD(pos);
2502
2503 e = EDIT_CharFromPos(hwnd, es, x,
2504 y - (es->format_rect.bottom - es->format_rect.top),
2505 &after_wrap);
2506 if (!extend)
2507 s = e;
2508 EDIT_EM_SetSel(hwnd, es, s, e, after_wrap);
2509 EDIT_EM_ScrollCaret(hwnd, es);
2510}
2511
2512
2513/*********************************************************************
2514 *
2515 * EDIT_MoveUp_ML
2516 *
2517 * Only for multi line controls
2518 * Move the caret one line up, on a column with the nearest
2519 * x coordinate on the screen (might be a different column).
2520 *
2521 */
2522static void EDIT_MoveUp_ML(HWND hwnd, EDITSTATE *es, BOOL extend)
2523{
2524 INT s = es->selection_start;
2525 INT e = es->selection_end;
2526 BOOL after_wrap = (es->flags & EF_AFTER_WRAP);
2527 LRESULT pos = EDIT_EM_PosFromChar(hwnd, es, e, after_wrap);
2528 INT x = SLOWORD(pos);
2529 INT y = SHIWORD(pos);
2530
2531 e = EDIT_CharFromPos(hwnd, es, x, y - es->line_height, &after_wrap);
2532 if (!extend)
2533 s = e;
2534 EDIT_EM_SetSel(hwnd, es, s, e, after_wrap);
2535 EDIT_EM_ScrollCaret(hwnd, es);
2536}
2537
2538
2539/*********************************************************************
2540 *
2541 * EDIT_MoveWordBackward
2542 *
2543 */
2544static void EDIT_MoveWordBackward(HWND hwnd, EDITSTATE *es, BOOL extend)
2545{
2546 INT s = es->selection_start;
2547 INT e = es->selection_end;
2548 INT l;
2549 INT ll;
2550 INT li;
2551
2552 l = EDIT_EM_LineFromChar(es, e);
2553 ll = EDIT_EM_LineLength(es, e);
2554 li = EDIT_EM_LineIndex(es, l);
2555 if (e - li == 0) {
2556 if (l) {
2557 li = EDIT_EM_LineIndex(es, l - 1);
2558 e = li + EDIT_EM_LineLength(es, li);
2559 }
2560 } else {
2561 e = li + (INT)EDIT_CallWordBreakProc(es,
2562 li, e - li, ll, WB_LEFT);
2563 }
2564 if (!extend)
2565 s = e;
2566 EDIT_EM_SetSel(hwnd, es, s, e, FALSE);
2567 EDIT_EM_ScrollCaret(hwnd, es);
2568}
2569
2570
2571/*********************************************************************
2572 *
2573 * EDIT_MoveWordForward
2574 *
2575 */
2576static void EDIT_MoveWordForward(HWND hwnd, EDITSTATE *es, BOOL extend)
2577{
2578 INT s = es->selection_start;
2579 INT e = es->selection_end;
2580 INT l;
2581 INT ll;
2582 INT li;
2583
2584 l = EDIT_EM_LineFromChar(es, e);
2585 ll = EDIT_EM_LineLength(es, e);
2586 li = EDIT_EM_LineIndex(es, l);
2587 if (e - li == ll) {
2588 if ((es->style & ES_MULTILINE) && (l != es->line_count - 1))
2589 e = EDIT_EM_LineIndex(es, l + 1);
2590 } else {
2591 e = li + EDIT_CallWordBreakProc(es,
2592 li, e - li + 1, ll, WB_RIGHT);
2593 }
2594 if (!extend)
2595 s = e;
2596 EDIT_EM_SetSel(hwnd, es, s, e, FALSE);
2597 EDIT_EM_ScrollCaret(hwnd, es);
2598}
2599
2600
2601/*********************************************************************
2602 *
2603 * EDIT_PaintLine
2604 *
2605 */
2606static void EDIT_PaintLine(HWND hwnd, EDITSTATE *es, HDC dc, INT line, BOOL rev)
2607{
2608 INT s = es->selection_start;
2609 INT e = es->selection_end;
2610 INT li;
2611 INT ll;
2612 INT x;
2613 INT y;
2614 LRESULT pos;
2615 HBRUSH brush;
2616 RECT rc;
2617
2618
2619 if (es->style & ES_MULTILINE) {
2620 INT vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
2621 if ((line < es->y_offset) || (line > es->y_offset + vlc) || (line >= es->line_count))
2622 return;
2623 } else if (line)
2624 return;
2625
2626 TRACE("line=%d\n", line);
2627
2628 pos = EDIT_EM_PosFromChar(hwnd, es, EDIT_EM_LineIndex(es, line), FALSE);
2629 x = SLOWORD(pos);
2630 y = SHIWORD(pos);
2631
2632 li = EDIT_EM_LineIndex(es, line);
2633 ll = EDIT_EM_LineLength(es, li);
2634 s = es->selection_start;
2635 e = es->selection_end;
2636 ORDER_INT(s, e);
2637 s = min(li + ll, max(li, s));
2638 e = min(li + ll, max(li, e));
2639 if (rev && (s != e) &&
2640 ((es->flags & EF_FOCUSED) || (es->style & ES_NOHIDESEL))) {
2641 x += EDIT_PaintText(es, dc, x, y, line, 0, s - li, FALSE);
2642 x += EDIT_PaintText(es, dc, x, y, line, s - li, e - s, TRUE);
2643 x += EDIT_PaintText(es, dc, x, y, line, e - li, li + ll - e, FALSE);
2644 } else
2645 x += EDIT_PaintText(es, dc, x, y, line, 0, ll, FALSE);
2646
2647#if 0
2648#ifdef __WIN32OS2__
2649 if ( get_app_version() >= 0x40000 &&(
2650 !es->bEnableState || (es->style & ES_READONLY)))
2651 brush = (HBRUSH)EDIT_SEND_CTLCOLORSTATIC(hwnd, dc);
2652 else
2653 brush = (HBRUSH)EDIT_SEND_CTLCOLOR(hwnd, dc);
2654
2655 if (!brush)
2656 brush = (HBRUSH)GetStockObject(WHITE_BRUSH);
2657
2658 rc.left = x;
2659 rc.right = es->format_rect.right;
2660 rc.top = y;
2661 rc.bottom = y + es->line_height;
2662
2663 FillRect(dc, &rc, brush);
2664#endif
2665#endif
2666}
2667
2668
2669/*********************************************************************
2670 *
2671 * EDIT_PaintText
2672 *
2673 */
2674static INT EDIT_PaintText(EDITSTATE *es, HDC dc, INT x, INT y, INT line, INT col, INT count, BOOL rev)
2675{
2676 COLORREF BkColor;
2677 COLORREF TextColor;
2678 INT ret;
2679 INT li;
2680 INT BkMode;
2681 SIZE size;
2682
2683 if (!count)
2684 return 0;
2685 BkMode = GetBkMode(dc);
2686 BkColor = GetBkColor(dc);
2687 TextColor = GetTextColor(dc);
2688 if (rev) {
2689 SetBkColor(dc, GetSysColor(COLOR_HIGHLIGHT));
2690 SetTextColor(dc, GetSysColor(COLOR_HIGHLIGHTTEXT));
2691 SetBkMode( dc, OPAQUE);
2692 }
2693 li = EDIT_EM_LineIndex(es, line);
2694 if (es->style & ES_MULTILINE) {
2695 ret = (INT)LOWORD(TabbedTextOutW(dc, x, y, es->text + li + col, count,
2696 es->tabs_count, es->tabs, es->format_rect.left - es->x_offset));
2697 } else {
2698 LPWSTR text = EDIT_GetPasswordPointer_SL(es);
2699 TextOutW(dc, x, y, text + li + col, count);
2700 GetTextExtentPoint32W(dc, text + li + col, count, &size);
2701 ret = size.cx;
2702 if (es->style & ES_PASSWORD)
2703 HeapFree(GetProcessHeap(), 0, text);
2704 }
2705 if (rev) {
2706 SetBkColor(dc, BkColor);
2707 SetTextColor(dc, TextColor);
2708 SetBkMode( dc, BkMode);
2709 }
2710 return ret;
2711}
2712
2713
2714/*********************************************************************
2715 *
2716 * EDIT_SetCaretPos
2717 *
2718 */
2719static void EDIT_SetCaretPos(HWND hwnd, EDITSTATE *es, INT pos,
2720 BOOL after_wrap)
2721{
2722 LRESULT res = EDIT_EM_PosFromChar(hwnd, es, pos, after_wrap);
2723
2724#ifdef __WIN32OS2__
2725 if( es->moveCaret )
2726 {
2727 HIMC himc;
2728 CANDIDATEFORM candForm;
2729
2730 himc = ImmGetContext( hwnd );
2731
2732#endif
2733
2734 SetCaretPos(SLOWORD(res), SHIWORD(res));
2735
2736#ifdef __WIN32OS2__
2737 if( es->sentenceMode )
2738 {
2739 COMPOSITIONFORM cf;
2740
2741 cf.dwStyle = CFS_POINT;
2742 cf.ptCurrentPos.x = SLOWORD( res );
2743 cf.ptCurrentPos.y = SHIWORD( res );
2744
2745 ImmSetCompositionWindow( himc, &cf );
2746 }
2747
2748 candForm.dwIndex = 0;
2749 candForm.dwStyle = CFS_CANDIDATEPOS;
2750 candForm.ptCurrentPos.x = SLOWORD( res );
2751 candForm.ptCurrentPos.y = SHIWORD( res ) + es->line_height;
2752
2753 ImmSetCandidateWindow( himc, &candForm );
2754
2755 ImmReleaseContext( hwnd, himc );
2756 }
2757#endif
2758}
2759
2760
2761/*********************************************************************
2762 *
2763 * EDIT_SetRectNP
2764 *
2765 * note: this is not (exactly) the handler called on EM_SETRECTNP
2766 * it is also used to set the rect of a single line control
2767 *
2768 */
2769static void EDIT_SetRectNP(HWND hwnd, EDITSTATE *es, LPRECT rc)
2770{
2771 CopyRect(&es->format_rect, rc);
2772 if (es->style & WS_BORDER) {
2773 INT bw = GetSystemMetrics(SM_CXBORDER) + 1;
2774 if(TWEAK_WineLook == WIN31_LOOK)
2775 bw += 2;
2776 es->format_rect.left += bw;
2777 es->format_rect.top += bw;
2778 es->format_rect.right -= bw;
2779 es->format_rect.bottom -= bw;
2780 }
2781 es->format_rect.left += es->left_margin;
2782 es->format_rect.right -= es->right_margin;
2783 es->format_rect.right = max(es->format_rect.right, es->format_rect.left + es->char_width);
2784 if (es->style & ES_MULTILINE)
2785 {
2786 INT fw, vlc, max_x_offset, max_y_offset;
2787
2788 vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
2789 es->format_rect.bottom = es->format_rect.top + max(1, vlc) * es->line_height;
2790
2791 /* correct es->x_offset */
2792 fw = es->format_rect.right - es->format_rect.left;
2793 max_x_offset = es->text_width - fw;
2794 if(max_x_offset < 0) max_x_offset = 0;
2795 if(es->x_offset > max_x_offset)
2796 es->x_offset = max_x_offset;
2797
2798 /* correct es->y_offset */
2799 max_y_offset = es->line_count - vlc;
2800 if(max_y_offset < 0) max_y_offset = 0;
2801 if(es->y_offset > max_y_offset)
2802 es->y_offset = max_y_offset;
2803
2804 /* force scroll info update */
2805 EDIT_UpdateScrollInfo(hwnd, es);
2806 }
2807 else
2808 /* Windows doesn't care to fix text placement for SL controls */
2809 es->format_rect.bottom = es->format_rect.top + es->line_height;
2810
2811 if ((es->style & ES_MULTILINE) && !(es->style & ES_AUTOHSCROLL))
2812 EDIT_BuildLineDefs_ML(hwnd, es, 0, strlenW(es->text), 0, (HRGN)0);
2813}
2814
2815
2816/*********************************************************************
2817 *
2818 * EDIT_UnlockBuffer
2819 *
2820 */
2821static void EDIT_UnlockBuffer(HWND hwnd, EDITSTATE *es, BOOL force)
2822{
2823 HINSTANCE hInstance = GetWindowLongA( hwnd, GWL_HINSTANCE );
2824
2825 /* Edit window might be already destroyed */
2826 if(!IsWindow(hwnd))
2827 {
2828 WARN("edit hwnd %04x already destroyed\n", hwnd);
2829 return;
2830 }
2831
2832 if (!es) {
2833 ERR("no EDITSTATE ... please report\n");
2834 return;
2835 }
2836 if (!es->lock_count) {
2837 ERR("lock_count == 0 ... please report\n");
2838 return;
2839 }
2840 if (!es->text) {
2841 ERR("es->text == 0 ... please report\n");
2842 return;
2843 }
2844
2845 if (force || (es->lock_count == 1)) {
2846 if (es->hloc32W) {
2847 CHAR *textA = NULL;
2848 BOOL _16bit = FALSE;
2849 UINT countA = 0;
2850 UINT countW = strlenW(es->text) + 1;
2851
2852 if(es->hloc32A)
2853 {
2854 UINT countA_new = WideCharToMultiByte(CP_ACP, 0, es->text, countW, NULL, 0, NULL, NULL);
2855 TRACE("Synchronizing with 32-bit ANSI buffer\n");
2856 TRACE("%d WCHARs translated to %d bytes\n", countW, countA_new);
2857 countA = LocalSize(es->hloc32A);
2858 if(countA_new > countA)
2859 {
2860 HLOCAL hloc32A_new;
2861 UINT alloc_size = ROUND_TO_GROW(countA_new);
2862 TRACE("Resizing 32-bit ANSI buffer from %d to %d bytes\n", countA, alloc_size);
2863 hloc32A_new = LocalReAlloc(es->hloc32A, alloc_size, LMEM_MOVEABLE | LMEM_ZEROINIT);
2864 if(hloc32A_new)
2865 {
2866 es->hloc32A = hloc32A_new;
2867 countA = LocalSize(hloc32A_new);
2868 TRACE("Real new size %d bytes\n", countA);
2869 }
2870 else
2871 WARN("FAILED! Will synchronize partially\n");
2872 }
2873 textA = LocalLock(es->hloc32A);
2874 }
2875 else if(es->hloc16)
2876 {
2877 UINT countA_new = WideCharToMultiByte(CP_ACP, 0, es->text, countW, NULL, 0, NULL, NULL);
2878 TRACE("Synchronizing with 16-bit ANSI buffer\n");
2879 TRACE("%d WCHARs translated to %d bytes\n", countW, countA_new);
2880 countA = LOCAL_Size(hInstance, es->hloc16);
2881 if(countA_new > countA)
2882 {
2883 HLOCAL16 hloc16_new;
2884 UINT alloc_size = ROUND_TO_GROW(countA_new);
2885 TRACE("Resizing 16-bit ANSI buffer from %d to %d bytes\n", countA, alloc_size);
2886 hloc16_new = LOCAL_ReAlloc(hInstance, es->hloc16, alloc_size, LMEM_MOVEABLE | LMEM_ZEROINIT);
2887 if(hloc16_new)
2888 {
2889 es->hloc16 = hloc16_new;
2890 countA = LOCAL_Size(hInstance, hloc16_new);
2891 TRACE("Real new size %d bytes\n", countA);
2892 }
2893 else
2894 WARN("FAILED! Will synchronize partially\n");
2895 }
2896 textA = LOCAL_Lock(hInstance, es->hloc16);
2897 _16bit = TRUE;
2898 }
2899 if(textA)
2900 {
2901 WideCharToMultiByte(CP_ACP, 0, es->text, countW, textA, countA, NULL, NULL);
2902 if(_16bit)
2903 LOCAL_Unlock(hInstance, es->hloc16);
2904 else
2905 LocalUnlock(es->hloc32A);
2906 }
2907
2908 LocalUnlock(es->hloc32W);
2909 es->text = NULL;
2910 }
2911 else {
2912 ERR("no buffer ... please report\n");
2913 return;
2914 }
2915 }
2916 es->lock_count--;
2917}
2918
2919
2920/*********************************************************************
2921 *
2922 * EDIT_UpdateScrollInfo
2923 *
2924 */
2925static void EDIT_UpdateScrollInfo(HWND hwnd, EDITSTATE *es)
2926{
2927 if ((es->style & WS_VSCROLL) && !(es->flags & EF_VSCROLL_TRACK))
2928 {
2929 SCROLLINFO si;
2930 si.cbSize = sizeof(SCROLLINFO);
2931 si.fMask = SIF_PAGE | SIF_POS | SIF_RANGE | SIF_DISABLENOSCROLL;
2932 si.nMin = 0;
2933 si.nMax = es->line_count - 1;
2934 si.nPage = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
2935 si.nPos = es->y_offset;
2936 TRACE("SB_VERT, nMin=%d, nMax=%d, nPage=%d, nPos=%d\n",
2937 si.nMin, si.nMax, si.nPage, si.nPos);
2938 SetScrollInfo(hwnd, SB_VERT, &si, TRUE);
2939 }
2940
2941 if ((es->style & WS_HSCROLL) && !(es->flags & EF_HSCROLL_TRACK))
2942 {
2943 SCROLLINFO si;
2944 si.cbSize = sizeof(SCROLLINFO);
2945 si.fMask = SIF_PAGE | SIF_POS | SIF_RANGE | SIF_DISABLENOSCROLL;
2946 si.nMin = 0;
2947 si.nMax = es->text_width - 1;
2948 si.nPage = es->format_rect.right - es->format_rect.left;
2949 si.nPos = es->x_offset;
2950 TRACE("SB_HORZ, nMin=%d, nMax=%d, nPage=%d, nPos=%d\n",
2951 si.nMin, si.nMax, si.nPage, si.nPos);
2952 SetScrollInfo(hwnd, SB_HORZ, &si, TRUE);
2953 }
2954}
2955
2956/*********************************************************************
2957 *
2958 * EDIT_WordBreakProc
2959 *
2960 * Find the beginning of words.
2961 * Note: unlike the specs for a WordBreakProc, this function only
2962 * allows to be called without linebreaks between s[0] upto
2963 * s[count - 1]. Remember it is only called
2964 * internally, so we can decide this for ourselves.
2965 *
2966 */
2967static INT CALLBACK EDIT_WordBreakProc(LPWSTR s, INT index, INT count, INT action)
2968{
2969 INT ret = 0;
2970
2971 TRACE("s=%p, index=%d, count=%d, action=%d\n", s, index, count, action);
2972
2973 if(!s) return 0;
2974
2975 switch (action) {
2976 case WB_LEFT:
2977 if (!count)
2978 break;
2979 if (index)
2980 index--;
2981 if (s[index] == ' ') {
2982 while (index && (s[index] == ' '))
2983 index--;
2984 if (index) {
2985 while (index && (s[index] != ' '))
2986 index--;
2987 if (s[index] == ' ')
2988 index++;
2989 }
2990 } else {
2991 while (index && (s[index] != ' '))
2992 index--;
2993 if (s[index] == ' ')
2994 index++;
2995 }
2996 ret = index;
2997 break;
2998 case WB_RIGHT:
2999 if (!count)
3000 break;
3001 if (index)
3002 index--;
3003 if (s[index] == ' ')
3004 while ((index < count) && (s[index] == ' ')) index++;
3005 else {
3006 while (s[index] && (s[index] != ' ') && (index < count))
3007 index++;
3008 while ((s[index] == ' ') && (index < count)) index++;
3009 }
3010 ret = index;
3011 break;
3012 case WB_ISDELIMITER:
3013 ret = (s[index] == ' ');
3014 break;
3015 default:
3016 ERR("unknown action code, please report !\n");
3017 break;
3018 }
3019 return ret;
3020}
3021
3022
3023/*********************************************************************
3024 *
3025 * EM_CHARFROMPOS
3026 *
3027 * returns line number (not index) in high-order word of result.
3028 * NB : Q137805 is unclear about this. POINT * pointer in lParam apply
3029 * to Richedit, not to the edit control. Original documentation is valid.
3030 * FIXME: do the specs mean to return -1 if outside client area or
3031 * if outside formatting rectangle ???
3032 *
3033 */
3034static LRESULT EDIT_EM_CharFromPos(HWND hwnd, EDITSTATE *es, INT x, INT y)
3035{
3036 POINT pt;
3037 RECT rc;
3038 INT index;
3039
3040 pt.x = x;
3041 pt.y = y;
3042 GetClientRect(hwnd, &rc);
3043 if (!PtInRect(&rc, pt))
3044 return -1;
3045
3046 index = EDIT_CharFromPos(hwnd, es, x, y, NULL);
3047 return MAKELONG(index, EDIT_EM_LineFromChar(es, index));
3048}
3049
3050
3051/*********************************************************************
3052 *
3053 * EM_FMTLINES
3054 *
3055 * Enable or disable soft breaks.
3056 */
3057static BOOL EDIT_EM_FmtLines(EDITSTATE *es, BOOL add_eol)
3058{
3059 es->flags &= ~EF_USE_SOFTBRK;
3060 if (add_eol) {
3061 es->flags |= EF_USE_SOFTBRK;
3062 FIXME("soft break enabled, not implemented\n");
3063 }
3064 return add_eol;
3065}
3066
3067
3068/*********************************************************************
3069 *
3070 * EM_GETHANDLE
3071 *
3072 * Hopefully this won't fire back at us.
3073 * We always start with a fixed buffer in the local heap.
3074 * Despite of the documentation says that the local heap is used
3075 * only if DS_LOCALEDIT flag is set, NT and 2000 always allocate
3076 * buffer on the local heap.
3077 *
3078 */
3079static HLOCAL EDIT_EM_GetHandle(EDITSTATE *es)
3080{
3081 HLOCAL hLocal;
3082
3083 if (!(es->style & ES_MULTILINE))
3084 return 0;
3085
3086 if(es->is_unicode)
3087 hLocal = es->hloc32W;
3088 else
3089 {
3090 if(!es->hloc32A)
3091 {
3092 CHAR *textA;
3093 UINT countA, alloc_size;
3094 TRACE("Allocating 32-bit ANSI alias buffer\n");
3095 countA = WideCharToMultiByte(CP_ACP, 0, es->text, -1, NULL, 0, NULL, NULL);
3096 alloc_size = ROUND_TO_GROW(countA);
3097 if(!(es->hloc32A = LocalAlloc(LMEM_MOVEABLE | LMEM_ZEROINIT, alloc_size)))
3098 {
3099 ERR("Could not allocate %d bytes for 32-bit ANSI alias buffer\n", alloc_size);
3100 return 0;
3101 }
3102 textA = LocalLock(es->hloc32A);
3103 WideCharToMultiByte(CP_ACP, 0, es->text, -1, textA, countA, NULL, NULL);
3104 LocalUnlock(es->hloc32A);
3105 }
3106 hLocal = es->hloc32A;
3107 }
3108
3109 TRACE("Returning %04X, LocalSize() = %d\n", hLocal, LocalSize(hLocal));
3110 return hLocal;
3111}
3112
3113#ifndef __WIN32OS2__
3114/*********************************************************************
3115 *
3116 * EM_GETHANDLE16
3117 *
3118 * Hopefully this won't fire back at us.
3119 * We always start with a buffer in 32 bit linear memory.
3120 * However, with this message a 16 bit application requests
3121 * a handle of 16 bit local heap memory, where it expects to find
3122 * the text.
3123 * It's a pitty that from this moment on we have to use this
3124 * local heap, because applications may rely on the handle
3125 * in the future.
3126 *
3127 * In this function we'll try to switch to local heap.
3128 */
3129static HLOCAL16 EDIT_EM_GetHandle16(HWND hwnd, EDITSTATE *es)
3130{
3131 HINSTANCE hInstance = GetWindowLongA( hwnd, GWL_HINSTANCE );
3132 CHAR *textA;
3133 UINT countA, alloc_size;
3134
3135 if (!(es->style & ES_MULTILINE))
3136 return 0;
3137
3138 if (es->hloc16)
3139 return es->hloc16;
3140
3141 if (!LOCAL_HeapSize(hInstance)) {
3142 if (!LocalInit16(hInstance, 0,
3143 GlobalSize16(hInstance))) {
3144 ERR("could not initialize local heap\n");
3145 return 0;
3146 }
3147 TRACE("local heap initialized\n");
3148 }
3149
3150 countA = WideCharToMultiByte(CP_ACP, 0, es->text, -1, NULL, 0, NULL, NULL);
3151 alloc_size = ROUND_TO_GROW(countA);
3152
3153 TRACE("Allocating 16-bit ANSI alias buffer\n");
3154 if (!(es->hloc16 = LOCAL_Alloc(hInstance, LMEM_MOVEABLE | LMEM_ZEROINIT, alloc_size))) {
3155 ERR("could not allocate new 16 bit buffer\n");
3156 return 0;
3157 }
3158
3159 if (!(textA = (LPSTR)LOCAL_Lock(hInstance, es->hloc16))) {
3160 ERR("could not lock new 16 bit buffer\n");
3161 LOCAL_Free(hInstance, es->hloc16);
3162 es->hloc16 = 0;
3163 return 0;
3164 }
3165
3166 WideCharToMultiByte(CP_ACP, 0, es->text, -1, textA, countA, NULL, NULL);
3167 LOCAL_Unlock(hInstance, es->hloc16);
3168
3169 TRACE("Returning %04X, LocalSize() = %d\n", es->hloc16, LOCAL_Size(hInstance, es->hloc16));
3170 return es->hloc16;
3171}
3172#endif
3173
3174/*********************************************************************
3175 *
3176 * EM_GETLINE
3177 *
3178 */
3179static INT EDIT_EM_GetLine(EDITSTATE *es, INT line, LPARAM lParam, BOOL unicode)
3180{
3181 LPWSTR src;
3182 INT line_len, dst_len;
3183 INT i;
3184
3185 if (es->style & ES_MULTILINE) {
3186 if (line >= es->line_count)
3187 return 0;
3188 } else
3189 line = 0;
3190 i = EDIT_EM_LineIndex(es, line);
3191 src = es->text + i;
3192 line_len = EDIT_EM_LineLength(es, i);
3193 dst_len = *(WORD *)lParam;
3194 if(unicode)
3195 {
3196 LPWSTR dst = (LPWSTR)lParam;
3197 if(dst_len <= line_len)
3198 {
3199 memcpy(dst, src, dst_len * sizeof(WCHAR));
3200 return dst_len;
3201 }
3202 else /* Append 0 if enough space */
3203 {
3204 memcpy(dst, src, line_len * sizeof(WCHAR));
3205 dst[line_len] = 0;
3206 return line_len;
3207 }
3208 }
3209 else
3210 {
3211 LPSTR dst = (LPSTR)lParam;
3212 INT ret;
3213 ret = WideCharToMultiByte(CP_ACP, 0, src, line_len, dst, dst_len, NULL, NULL);
3214 if(!ret) /* Insufficient buffer size */
3215 return dst_len;
3216 if(ret < dst_len) /* Append 0 if enough space */
3217 dst[ret] = 0;
3218 return ret;
3219 }
3220}
3221
3222
3223/*********************************************************************
3224 *
3225 * EM_GETSEL
3226 *
3227 */
3228static LRESULT EDIT_EM_GetSel(EDITSTATE *es, LPUINT start, LPUINT end)
3229{
3230 UINT s = es->selection_start;
3231 UINT e = es->selection_end;
3232
3233#ifdef __WIN32OS2__
3234 if( !es->is_unicode)
3235 {
3236 s = WideCharToMultiByte( CP_ACP, 0, es->text, s, 0, 0, 0, 0 );
3237 e = WideCharToMultiByte( CP_ACP, 0, es->text, e, 0, 0, 0, 0 );
3238 }
3239#endif
3240
3241 ORDER_UINT(s, e);
3242 if (start)
3243 *start = s;
3244 if (end)
3245 *end = e;
3246 return MAKELONG(s, e);
3247}
3248
3249
3250/*********************************************************************
3251 *
3252 * EM_GETTHUMB
3253 *
3254 * FIXME: is this right ? (or should it be only VSCROLL)
3255 * (and maybe only for edit controls that really have their
3256 * own scrollbars) (and maybe only for multiline controls ?)
3257 * All in all: very poorly documented
3258 *
3259 */
3260static LRESULT EDIT_EM_GetThumb(HWND hwnd, EDITSTATE *es)
3261{
3262 return MAKELONG(EDIT_WM_VScroll(hwnd, es, EM_GETTHUMB16, 0),
3263 EDIT_WM_HScroll(hwnd, es, EM_GETTHUMB16, 0));
3264}
3265
3266
3267/*********************************************************************
3268 *
3269 * EM_LINEFROMCHAR
3270 *
3271 */
3272static INT EDIT_EM_LineFromChar(EDITSTATE *es, INT index)
3273{
3274 INT line;
3275 LINEDEF *line_def;
3276
3277 if (!(es->style & ES_MULTILINE))
3278 return 0;
3279 if (index > (INT)strlenW(es->text))
3280 return es->line_count - 1;
3281 if (index == -1)
3282 index = min(es->selection_start, es->selection_end);
3283
3284 line = 0;
3285 line_def = es->first_line_def;
3286 index -= line_def->length;
3287 while ((index >= 0) && line_def->next) {
3288 line++;
3289 line_def = line_def->next;
3290 index -= line_def->length;
3291 }
3292 return line;
3293}
3294
3295
3296/*********************************************************************
3297 *
3298 * EM_LINEINDEX
3299 *
3300 */
3301static INT EDIT_EM_LineIndex(EDITSTATE *es, INT line)
3302{
3303 INT line_index;
3304 LINEDEF *line_def;
3305
3306 if (!(es->style & ES_MULTILINE))
3307 return 0;
3308 if (line >= es->line_count)
3309 return -1;
3310
3311 line_index = 0;
3312 line_def = es->first_line_def;
3313 if (line == -1) {
3314 INT index = es->selection_end - line_def->length;
3315 while ((index >= 0) && line_def->next) {
3316 line_index += line_def->length;
3317 line_def = line_def->next;
3318 index -= line_def->length;
3319 }
3320 } else {
3321 while (line > 0) {
3322 line_index += line_def->length;
3323 line_def = line_def->next;
3324 line--;
3325 }
3326 }
3327 return line_index;
3328}
3329
3330
3331/*********************************************************************
3332 *
3333 * EM_LINELENGTH
3334 *
3335 */
3336static INT EDIT_EM_LineLength(EDITSTATE *es, INT index)
3337{
3338 LINEDEF *line_def;
3339
3340 if (!(es->style & ES_MULTILINE))
3341 return strlenW(es->text);
3342
3343 if (index == -1) {
3344 /* get the number of remaining non-selected chars of selected lines */
3345 INT32 l; /* line number */
3346 INT32 li; /* index of first char in line */
3347 INT32 count;
3348 l = EDIT_EM_LineFromChar(es, es->selection_start);
3349 /* # chars before start of selection area */
3350 count = es->selection_start - EDIT_EM_LineIndex(es, l);
3351 l = EDIT_EM_LineFromChar(es, es->selection_end);
3352 /* # chars after end of selection */
3353 li = EDIT_EM_LineIndex(es, l);
3354 count += li + EDIT_EM_LineLength(es, li) - es->selection_end;
3355 return count;
3356 }
3357 line_def = es->first_line_def;
3358 index -= line_def->length;
3359 while ((index >= 0) && line_def->next) {
3360 line_def = line_def->next;
3361 index -= line_def->length;
3362 }
3363 return line_def->net_length;
3364}
3365
3366#ifdef __WIN32OS2__
3367/*********************************************************************
3368 *
3369 * EM_LINELENGTH for ANSI
3370 *
3371 */
3372static INT EDIT_EM_LineLengthA(EDITSTATE *es, INT index)
3373{
3374 LINEDEF *line_def;
3375
3376 if (!(es->style & ES_MULTILINE))
3377 return ( WideCharToMultiByte( CP_ACP, 0, es->text, -1, 0, 0, 0, 0 ) - 1);
3378
3379 if (index == -1) {
3380 /* get the number of remaining non-selected chars of selected lines */
3381 INT32 l; /* line number */
3382 INT32 li; /* index of first char in line */
3383 INT32 count;
3384 l = EDIT_EM_LineFromChar(es, es->selection_start);
3385 li = EDIT_EM_LineIndex( es, l );
3386 li = WideCharToMultiByte( CP_ACP, 0, es->text, li, 0, 0, 0, 0 );
3387 /* # chars before start of selection area */
3388 count = WideCharToMultiByte( CP_ACP, 0, es->text, es->selection_start, 0, 0, 0, 0 );
3389 count -= li;
3390 l = EDIT_EM_LineFromChar(es, es->selection_end);
3391 /* # chars after end of selection */
3392 li = EDIT_EM_LineIndex(es, l);
3393 li = WideCharToMultiByte( CP_ACP, 0, es->text, li, 0, 0, 0, 0 );
3394 count += li + EDIT_EM_LineLengthA(es, li);
3395 count -= WideCharToMultiByte( CP_ACP, 0, es->text, es->selection_end, 0, 0, 0, 0 );
3396 return count;
3397 }
3398 line_def = es->first_line_def;
3399 index -= line_def->length;
3400 while ((index >= 0) && line_def->next) {
3401 line_def = line_def->next;
3402 index -= line_def->length;
3403 }
3404 return WideCharToMultiByte( CP_ACP, 0, es->text + line_def->index, line_def->net_length, 0, 0, 0, 0 );
3405}
3406#endif
3407
3408/*********************************************************************
3409 *
3410 * EM_LINESCROLL
3411 *
3412 * NOTE: dx is in average character widths, dy - in lines;
3413 *
3414 */
3415static BOOL EDIT_EM_LineScroll(HWND hwnd, EDITSTATE *es, INT dx, INT dy)
3416{
3417 if (!(es->style & ES_MULTILINE))
3418 return FALSE;
3419
3420 dx *= es->char_width;
3421 return EDIT_EM_LineScroll_internal(hwnd, es, dx, dy);
3422}
3423
3424/*********************************************************************
3425 *
3426 * EDIT_EM_LineScroll_internal
3427 *
3428 * Version of EDIT_EM_LineScroll for internal use.
3429 * It doesn't refuse if ES_MULTILINE is set and assumes that
3430 * dx is in pixels, dy - in lines.
3431 *
3432 */
3433static BOOL EDIT_EM_LineScroll_internal(HWND hwnd, EDITSTATE *es, INT dx, INT dy)
3434{
3435 INT nyoff;
3436 INT x_offset_in_pixels;
3437
3438 if (es->style & ES_MULTILINE)
3439 {
3440 x_offset_in_pixels = es->x_offset;
3441 }
3442 else
3443 {
3444 dy = 0;
3445 x_offset_in_pixels = SLOWORD(EDIT_EM_PosFromChar(hwnd, es, es->x_offset, FALSE));
3446 }
3447
3448 if (-dx > x_offset_in_pixels)
3449 dx = -x_offset_in_pixels;
3450 if (dx > es->text_width - x_offset_in_pixels)
3451 dx = es->text_width - x_offset_in_pixels;
3452 nyoff = max(0, es->y_offset + dy);
3453 if (nyoff >= es->line_count)
3454 nyoff = es->line_count - 1;
3455 dy = (es->y_offset - nyoff) * es->line_height;
3456 if (dx || dy) {
3457 RECT rc1;
3458 RECT rc;
3459
3460 es->y_offset = nyoff;
3461 if(es->style & ES_MULTILINE)
3462 es->x_offset += dx;
3463 else
3464 es->x_offset += dx / es->char_width;
3465
3466 GetClientRect(hwnd, &rc1);
3467 IntersectRect(&rc, &rc1, &es->format_rect);
3468 ScrollWindowEx(hwnd, -dx, dy,
3469#ifdef __WIN32OS2__
3470 NULL, &rc, (HRGN)NULL, NULL, SW_INVALIDATE|SW_ERASE);
3471#else
3472 NULL, &rc, (HRGN)NULL, NULL, SW_INVALIDATE);
3473#endif
3474 /* force scroll info update */
3475 EDIT_UpdateScrollInfo(hwnd, es);
3476 }
3477 if (dx && !(es->flags & EF_HSCROLL_TRACK))
3478 EDIT_NOTIFY_PARENT(hwnd, es, EN_HSCROLL, "EN_HSCROLL");
3479 if (dy && !(es->flags & EF_VSCROLL_TRACK))
3480 EDIT_NOTIFY_PARENT(hwnd, es, EN_VSCROLL, "EN_VSCROLL");
3481 return TRUE;
3482}
3483
3484
3485/*********************************************************************
3486 *
3487 * EM_POSFROMCHAR
3488 *
3489 */
3490static LRESULT EDIT_EM_PosFromChar(HWND hwnd, EDITSTATE *es, INT index, BOOL after_wrap)
3491{
3492 INT len = strlenW(es->text);
3493 INT l;
3494 INT li;
3495 INT x;
3496 INT y = 0;
3497 HDC dc;
3498 HFONT old_font = 0;
3499 SIZE size;
3500
3501 index = min(index, len);
3502 dc = GetDC(hwnd);
3503 if (es->font)
3504 old_font = SelectObject(dc, es->font);
3505 if (es->style & ES_MULTILINE) {
3506 l = EDIT_EM_LineFromChar(es, index);
3507 y = (l - es->y_offset) * es->line_height;
3508 li = EDIT_EM_LineIndex(es, l);
3509 if (after_wrap && (li == index) && l) {
3510 INT l2 = l - 1;
3511 LINEDEF *line_def = es->first_line_def;
3512 while (l2) {
3513 line_def = line_def->next;
3514 l2--;
3515 }
3516 if (line_def->ending == END_WRAP) {
3517 l--;
3518 y -= es->line_height;
3519 li = EDIT_EM_LineIndex(es, l);
3520 }
3521 }
3522 x = LOWORD(GetTabbedTextExtentW(dc, es->text + li, index - li,
3523 es->tabs_count, es->tabs)) - es->x_offset;
3524 } else {
3525 LPWSTR text = EDIT_GetPasswordPointer_SL(es);
3526 if (index < es->x_offset) {
3527 GetTextExtentPoint32W(dc, text + index,
3528 es->x_offset - index, &size);
3529 x = -size.cx;
3530 } else {
3531 GetTextExtentPoint32W(dc, text + es->x_offset,
3532 index - es->x_offset, &size);
3533 x = size.cx;
3534 }
3535 y = 0;
3536 if (es->style & ES_PASSWORD)
3537 HeapFree(GetProcessHeap(), 0, text);
3538 }
3539 x += es->format_rect.left;
3540 y += es->format_rect.top;
3541 if (es->font)
3542 SelectObject(dc, old_font);
3543 ReleaseDC(hwnd, dc);
3544 return MAKELONG((INT16)x, (INT16)y);
3545}
3546
3547
3548/*********************************************************************
3549 *
3550 * EM_REPLACESEL
3551 *
3552 * FIXME: handle ES_NUMBER and ES_OEMCONVERT here
3553 *
3554 */
3555static void EDIT_EM_ReplaceSel(HWND hwnd, EDITSTATE *es, BOOL can_undo, LPCWSTR lpsz_replace, BOOL send_update)
3556{
3557 UINT strl = strlenW(lpsz_replace);
3558 UINT tl = strlenW(es->text);
3559 UINT utl;
3560 UINT s;
3561 UINT e;
3562 UINT i;
3563 LPWSTR p;
3564 HRGN hrgn = 0;
3565
3566 TRACE("%s, can_undo %d, send_update %d\n",
3567 debugstr_w(lpsz_replace), can_undo, send_update);
3568
3569 s = es->selection_start;
3570 e = es->selection_end;
3571
3572 if ((s == e) && !strl)
3573 return;
3574
3575 ORDER_UINT(s, e);
3576
3577 if (!EDIT_MakeFit(hwnd, es, tl - (e - s) + strl))
3578 return;
3579
3580 if (e != s) {
3581 /* there is something to be deleted */
3582 TRACE("deleting stuff.\n");
3583 if (can_undo) {
3584 utl = strlenW(es->undo_text);
3585 if (!es->undo_insert_count && (*es->undo_text && (s == es->undo_position))) {
3586 /* undo-buffer is extended to the right */
3587 EDIT_MakeUndoFit(es, utl + e - s);
3588 strncpyW(es->undo_text + utl, es->text + s, e - s + 1);
3589 (es->undo_text + utl)[e - s] = 0; /* ensure 0 termination */
3590 } else if (!es->undo_insert_count && (*es->undo_text && (e == es->undo_position))) {
3591 /* undo-buffer is extended to the left */
3592 EDIT_MakeUndoFit(es, utl + e - s);
3593 for (p = es->undo_text + utl ; p >= es->undo_text ; p--)
3594 p[e - s] = p[0];
3595 for (i = 0 , p = es->undo_text ; i < e - s ; i++)
3596 p[i] = (es->text + s)[i];
3597 es->undo_position = s;
3598 } else {
3599 /* new undo-buffer */
3600 EDIT_MakeUndoFit(es, e - s);
3601 strncpyW(es->undo_text, es->text + s, e - s + 1);
3602 es->undo_text[e - s] = 0; /* ensure 0 termination */
3603 es->undo_position = s;
3604 }
3605 /* any deletion makes the old insertion-undo invalid */
3606 es->undo_insert_count = 0;
3607 } else
3608 EDIT_EM_EmptyUndoBuffer(es);
3609
3610 /* now delete */
3611 strcpyW(es->text + s, es->text + e);
3612 }
3613 if (strl) {
3614 /* there is an insertion */
3615 if (can_undo) {
3616 if ((s == es->undo_position) ||
3617 ((es->undo_insert_count) &&
3618 (s == es->undo_position + es->undo_insert_count)))
3619 /*
3620 * insertion is new and at delete position or
3621 * an extension to either left or right
3622 */
3623 es->undo_insert_count += strl;
3624 else {
3625 /* new insertion undo */
3626 es->undo_position = s;
3627 es->undo_insert_count = strl;
3628 /* new insertion makes old delete-buffer invalid */
3629 *es->undo_text = '\0';
3630 }
3631 } else
3632 EDIT_EM_EmptyUndoBuffer(es);
3633
3634 /* now insert */
3635 tl = strlenW(es->text);
3636 TRACE("inserting stuff (tl %d, strl %d, selstart %d ('%s'), text '%s')\n", tl, strl, s, debugstr_w(es->text + s), debugstr_w(es->text));
3637 for (p = es->text + tl ; p >= es->text + s ; p--)
3638 p[strl] = p[0];
3639 for (i = 0 , p = es->text + s ; i < strl ; i++)
3640 p[i] = lpsz_replace[i];
3641 if(es->style & ES_UPPERCASE)
3642 CharUpperBuffW(p, strl);
3643 else if(es->style & ES_LOWERCASE)
3644 CharLowerBuffW(p, strl);
3645 s += strl;
3646 }
3647 if (es->style & ES_MULTILINE)
3648 {
3649 INT s = min(es->selection_start, es->selection_end);
3650
3651 hrgn = CreateRectRgn(0, 0, 0, 0);
3652 EDIT_BuildLineDefs_ML(hwnd, es, s, s + strl,
3653 strl - abs(es->selection_end - es->selection_start), hrgn);
3654 }
3655 else
3656 EDIT_CalcLineWidth_SL(hwnd, es);
3657
3658 EDIT_EM_SetSel(hwnd, es, s, s, FALSE);
3659 es->flags |= EF_MODIFIED;
3660 if (send_update) es->flags |= EF_UPDATE;
3661 EDIT_EM_ScrollCaret(hwnd, es);
3662
3663 /* force scroll info update */
3664 EDIT_UpdateScrollInfo(hwnd, es);
3665
3666 if (hrgn)
3667 {
3668 EDIT_UpdateTextRegion(hwnd, es, hrgn, TRUE);
3669 DeleteObject(hrgn);
3670 }
3671 else
3672 EDIT_UpdateText(hwnd, es, NULL, TRUE);
3673
3674 if(es->flags & EF_UPDATE)
3675 {
3676 es->flags &= ~EF_UPDATE;
3677 EDIT_NOTIFY_PARENT(hwnd, es, EN_CHANGE, "EN_CHANGE");
3678 }
3679}
3680
3681
3682/*********************************************************************
3683 *
3684 * EM_SCROLL
3685 *
3686 */
3687static LRESULT EDIT_EM_Scroll(HWND hwnd, EDITSTATE *es, INT action)
3688{
3689 INT dy;
3690
3691 if (!(es->style & ES_MULTILINE))
3692 return (LRESULT)FALSE;
3693
3694 dy = 0;
3695
3696 switch (action) {
3697 case SB_LINEUP:
3698 if (es->y_offset)
3699 dy = -1;
3700 break;
3701 case SB_LINEDOWN:
3702 if (es->y_offset < es->line_count - 1)
3703 dy = 1;
3704 break;
3705 case SB_PAGEUP:
3706 if (es->y_offset)
3707 dy = -(es->format_rect.bottom - es->format_rect.top) / es->line_height;
3708 break;
3709 case SB_PAGEDOWN:
3710 if (es->y_offset < es->line_count - 1)
3711 dy = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
3712 break;
3713 default:
3714 return (LRESULT)FALSE;
3715 }
3716 if (dy) {
3717 INT vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
3718 /* check if we are going to move too far */
3719 if(es->y_offset + dy > es->line_count - vlc)
3720 dy = es->line_count - vlc - es->y_offset;
3721
3722 /* Notification is done in EDIT_EM_LineScroll */
3723 if(dy)
3724 EDIT_EM_LineScroll(hwnd, es, 0, dy);
3725 }
3726 return MAKELONG((INT16)dy, (BOOL16)TRUE);
3727}
3728
3729
3730/*********************************************************************
3731 *
3732 * EM_SCROLLCARET
3733 *
3734 */
3735static void EDIT_EM_ScrollCaret(HWND hwnd, EDITSTATE *es)
3736{
3737 if (es->style & ES_MULTILINE) {
3738 INT l;
3739 INT li;
3740 INT vlc;
3741 INT ww;
3742 INT cw = es->char_width;
3743 INT x;
3744 INT dy = 0;
3745 INT dx = 0;
3746
3747 l = EDIT_EM_LineFromChar(es, es->selection_end);
3748 li = EDIT_EM_LineIndex(es, l);
3749 x = SLOWORD(EDIT_EM_PosFromChar(hwnd, es, es->selection_end, es->flags & EF_AFTER_WRAP));
3750 vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
3751 if (l >= es->y_offset + vlc)
3752 dy = l - vlc + 1 - es->y_offset;
3753 if (l < es->y_offset)
3754 dy = l - es->y_offset;
3755 ww = es->format_rect.right - es->format_rect.left;
3756 if (x < es->format_rect.left)
3757 dx = x - es->format_rect.left - ww / HSCROLL_FRACTION / cw * cw;
3758 if (x > es->format_rect.right)
3759 dx = x - es->format_rect.left - (HSCROLL_FRACTION - 1) * ww / HSCROLL_FRACTION / cw * cw;
3760 if (dy || dx)
3761 {
3762 /* check if we are going to move too far */
3763 if(es->x_offset + dx + ww > es->text_width)
3764 dx = es->text_width - ww - es->x_offset;
3765 if(dx || dy)
3766 EDIT_EM_LineScroll_internal(hwnd, es, dx, dy);
3767 }
3768 } else {
3769 INT x;
3770 INT goal;
3771 INT format_width;
3772
3773 if (!(es->style & ES_AUTOHSCROLL))
3774 return;
3775
3776 x = SLOWORD(EDIT_EM_PosFromChar(hwnd, es, es->selection_end, FALSE));
3777 format_width = es->format_rect.right - es->format_rect.left;
3778 if (x < es->format_rect.left) {
3779 goal = es->format_rect.left + format_width / HSCROLL_FRACTION;
3780 do {
3781 es->x_offset--;
3782 x = SLOWORD(EDIT_EM_PosFromChar(hwnd, es, es->selection_end, FALSE));
3783 } while ((x < goal) && es->x_offset);
3784 /* FIXME: use ScrollWindow() somehow to improve performance */
3785 EDIT_UpdateText(hwnd, es, NULL, TRUE);
3786 } else if (x > es->format_rect.right) {
3787 INT x_last;
3788 INT len = strlenW(es->text);
3789 goal = es->format_rect.right - format_width / HSCROLL_FRACTION;
3790 do {
3791 es->x_offset++;
3792 x = SLOWORD(EDIT_EM_PosFromChar(hwnd, es, es->selection_end, FALSE));
3793 x_last = SLOWORD(EDIT_EM_PosFromChar(hwnd, es, len, FALSE));
3794 } while ((x > goal) && (x_last > es->format_rect.right));
3795 /* FIXME: use ScrollWindow() somehow to improve performance */
3796 EDIT_UpdateText(hwnd, es, NULL, TRUE);
3797 }
3798 }
3799
3800 if(es->flags & EF_FOCUSED)
3801 EDIT_SetCaretPos(hwnd, es, es->selection_end, es->flags & EF_AFTER_WRAP);
3802}
3803
3804
3805/*********************************************************************
3806 *
3807 * EM_SETHANDLE
3808 *
3809 * FIXME: ES_LOWERCASE, ES_UPPERCASE, ES_OEMCONVERT, ES_NUMBER ???
3810 *
3811 */
3812static void EDIT_EM_SetHandle(HWND hwnd, EDITSTATE *es, HLOCAL hloc)
3813{
3814 HINSTANCE hInstance = GetWindowLongA( hwnd, GWL_HINSTANCE );
3815
3816 if (!(es->style & ES_MULTILINE))
3817 return;
3818
3819 if (!hloc) {
3820 WARN("called with NULL handle\n");
3821 return;
3822 }
3823
3824 EDIT_UnlockBuffer(hwnd, es, TRUE);
3825
3826#ifndef __WIN32OS2__
3827 if(es->hloc16)
3828 {
3829 LOCAL_Free(hInstance, es->hloc16);
3830 es->hloc16 = (HLOCAL16)NULL;
3831 }
3832#endif
3833 if(es->is_unicode)
3834 {
3835 if(es->hloc32A)
3836 {
3837 LocalFree(es->hloc32A);
3838 es->hloc32A = (HLOCAL)NULL;
3839 }
3840 es->hloc32W = hloc;
3841 }
3842 else
3843 {
3844 INT countW, countA;
3845 HLOCAL hloc32W_new;
3846 WCHAR *textW;
3847 CHAR *textA;
3848
3849 countA = LocalSize(hloc);
3850 textA = LocalLock(hloc);
3851 countW = MultiByteToWideChar(CP_ACP, 0, textA, countA, NULL, 0);
3852 if(!(hloc32W_new = LocalAlloc(LMEM_MOVEABLE | LMEM_ZEROINIT, countW * sizeof(WCHAR))))
3853 {
3854 ERR("Could not allocate new unicode buffer\n");
3855 return;
3856 }
3857 textW = LocalLock(hloc32W_new);
3858 MultiByteToWideChar(CP_ACP, 0, textA, countA, textW, countW);
3859 LocalUnlock(hloc32W_new);
3860 LocalUnlock(hloc);
3861
3862 if(es->hloc32W)
3863 LocalFree(es->hloc32W);
3864
3865 es->hloc32W = hloc32W_new;
3866 es->hloc32A = hloc;
3867 }
3868
3869 es->buffer_size = LocalSize(es->hloc32W)/sizeof(WCHAR) - 1;
3870
3871 EDIT_LockBuffer(hwnd, es);
3872
3873 es->x_offset = es->y_offset = 0;
3874 es->selection_start = es->selection_end = 0;
3875 EDIT_EM_EmptyUndoBuffer(es);
3876 es->flags &= ~EF_MODIFIED;
3877 es->flags &= ~EF_UPDATE;
3878 EDIT_BuildLineDefs_ML(hwnd, es, 0, strlenW(es->text), 0, (HRGN)0);
3879 EDIT_UpdateText(hwnd, es, NULL, TRUE);
3880 EDIT_EM_ScrollCaret(hwnd, es);
3881 /* force scroll info update */
3882 EDIT_UpdateScrollInfo(hwnd, es);
3883}
3884
3885
3886#ifndef __WIN32OS2__
3887/*********************************************************************
3888 *
3889 * EM_SETHANDLE16
3890 *
3891 * FIXME: ES_LOWERCASE, ES_UPPERCASE, ES_OEMCONVERT, ES_NUMBER ???
3892 *
3893 */
3894static void EDIT_EM_SetHandle16(HWND hwnd, EDITSTATE *es, HLOCAL16 hloc)
3895{
3896 HINSTANCE hInstance = GetWindowLongA( hwnd, GWL_HINSTANCE );
3897 INT countW, countA;
3898 HLOCAL hloc32W_new;
3899 WCHAR *textW;
3900 CHAR *textA;
3901
3902 if (!(es->style & ES_MULTILINE))
3903 return;
3904
3905 if (!hloc) {
3906 WARN("called with NULL handle\n");
3907 return;
3908 }
3909
3910 EDIT_UnlockBuffer(hwnd, es, TRUE);
3911
3912 if(es->hloc32A)
3913 {
3914 LocalFree(es->hloc32A);
3915 es->hloc32A = (HLOCAL)NULL;
3916 }
3917
3918 countA = LOCAL_Size(hInstance, hloc);
3919 textA = LOCAL_Lock(hInstance, hloc);
3920 countW = MultiByteToWideChar(CP_ACP, 0, textA, countA, NULL, 0);
3921 if(!(hloc32W_new = LocalAlloc(LMEM_MOVEABLE | LMEM_ZEROINIT, countW * sizeof(WCHAR))))
3922 {
3923 ERR("Could not allocate new unicode buffer\n");
3924 return;
3925 }
3926 textW = LocalLock(hloc32W_new);
3927 MultiByteToWideChar(CP_ACP, 0, textA, countA, textW, countW);
3928 LocalUnlock(hloc32W_new);
3929 LOCAL_Unlock(hInstance, hloc);
3930
3931 if(es->hloc32W)
3932 LocalFree(es->hloc32W);
3933
3934 es->hloc32W = hloc32W_new;
3935 es->hloc16 = hloc;
3936
3937 es->buffer_size = LocalSize(es->hloc32W)/sizeof(WCHAR) - 1;
3938
3939 EDIT_LockBuffer(hwnd, es);
3940
3941 es->x_offset = es->y_offset = 0;
3942 es->selection_start = es->selection_end = 0;
3943 EDIT_EM_EmptyUndoBuffer(es);
3944 es->flags &= ~EF_MODIFIED;
3945 es->flags &= ~EF_UPDATE;
3946 EDIT_BuildLineDefs_ML(hwnd, es, 0, strlenW(es->text), 0, (HRGN)0);
3947 EDIT_UpdateText(hwnd, es, NULL, TRUE);
3948 EDIT_EM_ScrollCaret(hwnd, es);
3949 /* force scroll info update */
3950 EDIT_UpdateScrollInfo(hwnd, es);
3951}
3952#endif
3953
3954/*********************************************************************
3955 *
3956 * EM_SETLIMITTEXT
3957 *
3958 * FIXME: in WinNT maxsize is 0x7FFFFFFF / 0xFFFFFFFF
3959 * However, the windows version is not complied to yet in all of edit.c
3960 *
3961 */
3962static void EDIT_EM_SetLimitText(EDITSTATE *es, INT limit)
3963{
3964 if (es->style & ES_MULTILINE) {
3965 if (limit)
3966 es->buffer_limit = min(limit, BUFLIMIT_MULTI);
3967 else
3968 es->buffer_limit = BUFLIMIT_MULTI;
3969 } else {
3970 if (limit)
3971 es->buffer_limit = min(limit, BUFLIMIT_SINGLE);
3972 else
3973 es->buffer_limit = BUFLIMIT_SINGLE;
3974 }
3975}
3976
3977
3978/*********************************************************************
3979 *
3980 * EM_SETMARGINS
3981 *
3982 * EC_USEFONTINFO is used as a left or right value i.e. lParam and not as an
3983 * action wParam despite what the docs say. EC_USEFONTINFO means one third
3984 * of the char's width, according to the new docs.
3985 *
3986 */
3987static void EDIT_EM_SetMargins(EDITSTATE *es, INT action,
3988 INT left, INT right)
3989{
3990 if (action & EC_LEFTMARGIN) {
3991 if (left != EC_USEFONTINFO)
3992 es->left_margin = left;
3993 else
3994 es->left_margin = es->char_width / 3;
3995 }
3996
3997 if (action & EC_RIGHTMARGIN) {
3998 if (right != EC_USEFONTINFO)
3999 es->right_margin = right;
4000 else
4001 es->right_margin = es->char_width / 3;
4002 }
4003 TRACE("left=%d, right=%d\n", es->left_margin, es->right_margin);
4004}
4005
4006
4007/*********************************************************************
4008 *
4009 * EM_SETPASSWORDCHAR
4010 *
4011 */
4012static void EDIT_EM_SetPasswordChar(HWND hwnd, EDITSTATE *es, WCHAR c)
4013{
4014 LONG style;
4015
4016 if (es->style & ES_MULTILINE)
4017 return;
4018
4019 if (es->password_char == c)
4020 return;
4021
4022 style = GetWindowLongA( hwnd, GWL_STYLE );
4023 es->password_char = c;
4024 if (c) {
4025 SetWindowLongA( hwnd, GWL_STYLE, style | ES_PASSWORD );
4026 es->style |= ES_PASSWORD;
4027 } else {
4028 SetWindowLongA( hwnd, GWL_STYLE, style & ~ES_PASSWORD );
4029 es->style &= ~ES_PASSWORD;
4030 }
4031 EDIT_UpdateText(hwnd, es, NULL, TRUE);
4032}
4033
4034
4035/*********************************************************************
4036 *
4037 * EDIT_EM_SetSel
4038 *
4039 * note: unlike the specs say: the order of start and end
4040 * _is_ preserved in Windows. (i.e. start can be > end)
4041 * In other words: this handler is OK
4042 *
4043 */
4044static void EDIT_EM_SetSel(HWND hwnd, EDITSTATE *es, UINT start, UINT end, BOOL after_wrap)
4045{
4046 UINT old_start = es->selection_start;
4047 UINT old_end = es->selection_end;
4048 UINT len = strlenW(es->text);
4049
4050 if (start == (UINT)-1) {
4051 start = es->selection_end;
4052 end = es->selection_end;
4053 } else {
4054 start = min(start, len);
4055 end = min(end, len);
4056 }
4057 es->selection_start = start;
4058 es->selection_end = end;
4059 if (after_wrap)
4060 es->flags |= EF_AFTER_WRAP;
4061 else
4062 es->flags &= ~EF_AFTER_WRAP;
4063/* This is a little bit more efficient than before, not sure if it can be improved. FIXME? */
4064 ORDER_UINT(start, end);
4065 ORDER_UINT(end, old_end);
4066 ORDER_UINT(start, old_start);
4067 ORDER_UINT(old_start, old_end);
4068 if (end != old_start)
4069 {
4070/*
4071 * One can also do
4072 * ORDER_UINT32(end, old_start);
4073 * EDIT_InvalidateText(hwnd, es, start, end);
4074 * EDIT_InvalidateText(hwnd, es, old_start, old_end);
4075 * in place of the following if statement.
4076 */
4077 if (old_start > end )
4078 {
4079 EDIT_InvalidateText(hwnd, es, start, end);
4080 EDIT_InvalidateText(hwnd, es, old_start, old_end);
4081 }
4082 else
4083 {
4084 EDIT_InvalidateText(hwnd, es, start, old_start);
4085 EDIT_InvalidateText(hwnd, es, end, old_end);
4086 }
4087 }
4088 else EDIT_InvalidateText(hwnd, es, start, old_end);
4089}
4090
4091
4092/*********************************************************************
4093 *
4094 * EM_SETTABSTOPS
4095 *
4096 */
4097static BOOL EDIT_EM_SetTabStops(EDITSTATE *es, INT count, LPINT tabs)
4098{
4099 if (!(es->style & ES_MULTILINE))
4100 return FALSE;
4101 if (es->tabs)
4102 HeapFree(GetProcessHeap(), 0, es->tabs);
4103 es->tabs_count = count;
4104 if (!count)
4105 es->tabs = NULL;
4106 else {
4107 es->tabs = HeapAlloc(GetProcessHeap(), 0, count * sizeof(INT));
4108 memcpy(es->tabs, tabs, count * sizeof(INT));
4109 }
4110 return TRUE;
4111}
4112
4113
4114/*********************************************************************
4115 *
4116 * EM_SETTABSTOPS16
4117 *
4118 */
4119static BOOL EDIT_EM_SetTabStops16(EDITSTATE *es, INT count, LPINT16 tabs)
4120{
4121 if (!(es->style & ES_MULTILINE))
4122 return FALSE;
4123 if (es->tabs)
4124 HeapFree(GetProcessHeap(), 0, es->tabs);
4125 es->tabs_count = count;
4126 if (!count)
4127 es->tabs = NULL;
4128 else {
4129 INT i;
4130 es->tabs = HeapAlloc(GetProcessHeap(), 0, count * sizeof(INT));
4131 for (i = 0 ; i < count ; i++)
4132 es->tabs[i] = *tabs++;
4133 }
4134 return TRUE;
4135}
4136
4137
4138/*********************************************************************
4139 *
4140 * EM_SETWORDBREAKPROC
4141 *
4142 */
4143static void EDIT_EM_SetWordBreakProc(HWND hwnd, EDITSTATE *es, LPARAM lParam)
4144{
4145 if (es->word_break_proc == (void *)lParam)
4146 return;
4147
4148 es->word_break_proc = (void *)lParam;
4149 es->word_break_proc16 = NULL;
4150
4151 if ((es->style & ES_MULTILINE) && !(es->style & ES_AUTOHSCROLL)) {
4152 EDIT_BuildLineDefs_ML(hwnd, es, 0, strlenW(es->text), 0, (HRGN)0);
4153 EDIT_UpdateText(hwnd, es, NULL, TRUE);
4154 }
4155}
4156
4157
4158#ifndef __WIN32OS2__
4159/*********************************************************************
4160 *
4161 * EM_SETWORDBREAKPROC16
4162 *
4163 */
4164static void EDIT_EM_SetWordBreakProc16(HWND hwnd, EDITSTATE *es, EDITWORDBREAKPROC16 wbp)
4165{
4166 if (es->word_break_proc16 == wbp)
4167 return;
4168
4169 es->word_break_proc = NULL;
4170 es->word_break_proc16 = wbp;
4171 if ((es->style & ES_MULTILINE) && !(es->style & ES_AUTOHSCROLL)) {
4172 EDIT_BuildLineDefs_ML(hwnd, es, 0, strlenW(es->text), 0, (HRGN)0);
4173 EDIT_UpdateText(hwnd, es, NULL, TRUE);
4174 }
4175}
4176#endif
4177
4178/*********************************************************************
4179 *
4180 * EM_UNDO / WM_UNDO
4181 *
4182 */
4183static BOOL EDIT_EM_Undo(HWND hwnd, EDITSTATE *es)
4184{
4185 INT ulength;
4186 LPWSTR utext;
4187
4188 /* Protect read-only edit control from modification */
4189 if(es->style & ES_READONLY)
4190 return FALSE;
4191
4192 ulength = strlenW(es->undo_text);
4193 utext = HeapAlloc(GetProcessHeap(), 0, (ulength + 1) * sizeof(WCHAR));
4194
4195 strcpyW(utext, es->undo_text);
4196
4197 TRACE("before UNDO:insertion length = %d, deletion buffer = %s\n",
4198 es->undo_insert_count, debugstr_w(utext));
4199
4200 EDIT_EM_SetSel(hwnd, es, es->undo_position, es->undo_position + es->undo_insert_count, FALSE);
4201 EDIT_EM_EmptyUndoBuffer(es);
4202 EDIT_EM_ReplaceSel(hwnd, es, TRUE, utext, FALSE);
4203 EDIT_EM_SetSel(hwnd, es, es->undo_position, es->undo_position + es->undo_insert_count, FALSE);
4204 /* send the notification after the selection start and end are set */
4205 EDIT_NOTIFY_PARENT(hwnd, es, EN_CHANGE, "EN_CHANGE");
4206 EDIT_EM_ScrollCaret(hwnd, es);
4207 HeapFree(GetProcessHeap(), 0, utext);
4208
4209 TRACE("after UNDO:insertion length = %d, deletion buffer = %s\n",
4210 es->undo_insert_count, debugstr_w(es->undo_text));
4211 return TRUE;
4212}
4213
4214
4215/*********************************************************************
4216 *
4217 * WM_CHAR
4218 *
4219 */
4220static void EDIT_WM_Char(HWND hwnd, EDITSTATE *es, WCHAR c)
4221{
4222 BOOL control;
4223
4224 /* Protect read-only edit control from modification */
4225 if(es->style & ES_READONLY)
4226 return;
4227
4228 control = GetKeyState(VK_CONTROL) & 0x8000;
4229
4230 switch (c) {
4231 case '\r':
4232 /* If the edit doesn't want the return and it's not a multiline edit, do nothing */
4233 if(!(es->style & ES_MULTILINE) && !(es->style & ES_WANTRETURN))
4234 break;
4235 case '\n':
4236 if (es->style & ES_MULTILINE) {
4237 if (es->style & ES_READONLY) {
4238 EDIT_MoveHome(hwnd, es, FALSE);
4239 EDIT_MoveDown_ML(hwnd, es, FALSE);
4240 } else {
4241 static const WCHAR cr_lfW[] = {'\r','\n',0};
4242 EDIT_EM_ReplaceSel(hwnd, es, TRUE, cr_lfW, TRUE);
4243 }
4244 }
4245 break;
4246 case '\t':
4247 if ((es->style & ES_MULTILINE) && !(es->style & ES_READONLY))
4248 {
4249 static const WCHAR tabW[] = {'\t',0};
4250 EDIT_EM_ReplaceSel(hwnd, es, TRUE, tabW, TRUE);
4251 }
4252 break;
4253 case VK_BACK:
4254 if (!(es->style & ES_READONLY) && !control) {
4255 if (es->selection_start != es->selection_end)
4256 EDIT_WM_Clear(hwnd, es);
4257 else {
4258 /* delete character left of caret */
4259 EDIT_EM_SetSel(hwnd, es, (UINT)-1, 0, FALSE);
4260 EDIT_MoveBackward(hwnd, es, TRUE);
4261 EDIT_WM_Clear(hwnd, es);
4262 }
4263 }
4264 break;
4265 case 0x03: /* ^C */
4266 SendMessageW(hwnd, WM_COPY, 0, 0);
4267 break;
4268 case 0x16: /* ^V */
4269 SendMessageW(hwnd, WM_PASTE, 0, 0);
4270 break;
4271 case 0x18: /* ^X */
4272 SendMessageW(hwnd, WM_CUT, 0, 0);
4273 break;
4274
4275 default:
4276 if (!(es->style & ES_READONLY) && (c >= ' ') && (c != 127)) {
4277 WCHAR str[2];
4278 str[0] = c;
4279 str[1] = '\0';
4280 EDIT_EM_ReplaceSel(hwnd, es, TRUE, str, TRUE);
4281 }
4282 break;
4283 }
4284}
4285
4286
4287/*********************************************************************
4288 *
4289 * WM_COMMAND
4290 *
4291 */
4292static void EDIT_WM_Command(HWND hwnd, EDITSTATE *es, INT code, INT id, HWND control)
4293{
4294 if (code || control)
4295 return;
4296
4297 switch (id) {
4298 case EM_UNDO:
4299 EDIT_EM_Undo(hwnd, es);
4300 break;
4301 case WM_CUT:
4302 EDIT_WM_Cut(hwnd, es);
4303 break;
4304 case WM_COPY:
4305 EDIT_WM_Copy(hwnd, es);
4306 break;
4307 case WM_PASTE:
4308 EDIT_WM_Paste(hwnd, es);
4309 break;
4310 case WM_CLEAR:
4311 EDIT_WM_Clear(hwnd, es);
4312 break;
4313 case EM_SETSEL:
4314 EDIT_EM_SetSel(hwnd, es, 0, (UINT)-1, FALSE);
4315 EDIT_EM_ScrollCaret(hwnd, es);
4316 break;
4317 default:
4318 ERR("unknown menu item, please report\n");
4319 break;
4320 }
4321}
4322
4323
4324/*********************************************************************
4325 *
4326 * WM_CONTEXTMENU
4327 *
4328 * Note: the resource files resource/sysres_??.rc cannot define a
4329 * single popup menu. Hence we use a (dummy) menubar
4330 * containing the single popup menu as its first item.
4331 *
4332 * FIXME: the message identifiers have been chosen arbitrarily,
4333 * hence we use MF_BYPOSITION.
4334 * We might as well use the "real" values (anybody knows ?)
4335 * The menu definition is in resources/sysres_??.rc.
4336 * Once these are OK, we better use MF_BYCOMMAND here
4337 * (as we do in EDIT_WM_Command()).
4338 *
4339 */
4340static void EDIT_WM_ContextMenu(HWND hwnd, EDITSTATE *es, INT x, INT y)
4341{
4342 HMENU menu = LoadMenuA(GetModuleHandleA("USER32"), "EDITMENU");
4343 HMENU popup = GetSubMenu(menu, 0);
4344 UINT start = es->selection_start;
4345 UINT end = es->selection_end;
4346
4347 ORDER_UINT(start, end);
4348
4349 /* undo */
4350 EnableMenuItem(popup, 0, MF_BYPOSITION | (EDIT_EM_CanUndo(es) && !(es->style & ES_READONLY) ? MF_ENABLED : MF_GRAYED));
4351 /* cut */
4352 EnableMenuItem(popup, 2, MF_BYPOSITION | ((end - start) && !(es->style & ES_PASSWORD) && !(es->style & ES_READONLY) ? MF_ENABLED : MF_GRAYED));
4353 /* copy */
4354 EnableMenuItem(popup, 3, MF_BYPOSITION | ((end - start) && !(es->style & ES_PASSWORD) ? MF_ENABLED : MF_GRAYED));
4355 /* paste */
4356 EnableMenuItem(popup, 4, MF_BYPOSITION | (IsClipboardFormatAvailable(CF_UNICODETEXT) && !(es->style & ES_READONLY) ? MF_ENABLED : MF_GRAYED));
4357 /* delete */
4358 EnableMenuItem(popup, 5, MF_BYPOSITION | ((end - start) && !(es->style & ES_READONLY) ? MF_ENABLED : MF_GRAYED));
4359 /* select all */
4360 EnableMenuItem(popup, 7, MF_BYPOSITION | (start || (end != strlenW(es->text)) ? MF_ENABLED : MF_GRAYED));
4361
4362 TrackPopupMenu(popup, TPM_LEFTALIGN | TPM_RIGHTBUTTON, x, y, 0, hwnd, NULL);
4363 DestroyMenu(menu);
4364}
4365
4366
4367/*********************************************************************
4368 *
4369 * WM_COPY
4370 *
4371 */
4372static void EDIT_WM_Copy(HWND hwnd, EDITSTATE *es)
4373{
4374 INT s = es->selection_start;
4375 INT e = es->selection_end;
4376 HGLOBAL hdst;
4377 LPWSTR dst;
4378
4379 if (e == s)
4380 return;
4381 ORDER_INT(s, e);
4382 hdst = GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE, (DWORD)(e - s + 1) * sizeof(WCHAR));
4383 dst = GlobalLock(hdst);
4384 strncpyW(dst, es->text + s, e - s);
4385 dst[e - s ] = 0; /* ensure 0 termination */
4386 TRACE("%s\n", debugstr_w(dst));
4387
4388 GlobalUnlock(hdst);
4389 OpenClipboard(hwnd);
4390 EmptyClipboard();
4391 SetClipboardData(CF_UNICODETEXT, hdst);
4392 CloseClipboard();
4393}
4394
4395
4396/*********************************************************************
4397 *
4398 * WM_CREATE
4399 *
4400 */
4401static LRESULT EDIT_WM_Create(HWND hwnd, EDITSTATE *es, LPCWSTR name)
4402{
4403 TRACE("%s\n", debugstr_w(name));
4404 /*
4405 * To initialize some final structure members, we call some helper
4406 * functions. However, since the EDITSTATE is not consistent (i.e.
4407 * not fully initialized), we should be very careful which
4408 * functions can be called, and in what order.
4409 */
4410 EDIT_WM_SetFont(hwnd, es, 0, FALSE);
4411 EDIT_EM_EmptyUndoBuffer(es);
4412
4413 if (name && *name) {
4414 EDIT_EM_ReplaceSel(hwnd, es, FALSE, name, FALSE);
4415 /* if we insert text to the editline, the text scrolls out
4416 * of the window, as the caret is placed after the insert
4417 * pos normally; thus we reset es->selection... to 0 and
4418 * update caret
4419 */
4420 es->selection_start = es->selection_end = 0;
4421 /* send the notification after the selection start and end are set */
4422 EDIT_NOTIFY_PARENT(hwnd, es, EN_CHANGE, "EN_CHANGE");
4423 EDIT_EM_ScrollCaret(hwnd, es);
4424 }
4425 /* force scroll info update */
4426 EDIT_UpdateScrollInfo(hwnd, es);
4427 return 0;
4428}
4429
4430
4431/*********************************************************************
4432 *
4433 * WM_DESTROY
4434 *
4435 */
4436static void EDIT_WM_Destroy(HWND hwnd, EDITSTATE *es)
4437{
4438 HINSTANCE hInstance = GetWindowLongA( hwnd, GWL_HINSTANCE );
4439 LINEDEF *pc, *pp;
4440
4441 if (es->hloc32W) {
4442 while (LocalUnlock(es->hloc32W)) ;
4443 LocalFree(es->hloc32W);
4444 }
4445 if (es->hloc32A) {
4446 while (LocalUnlock(es->hloc32A)) ;
4447 LocalFree(es->hloc32A);
4448 }
4449#ifndef __WIN32OS2__
4450 if (es->hloc16) {
4451 while (LOCAL_Unlock(hInstance, es->hloc16)) ;
4452 LOCAL_Free(hInstance, es->hloc16);
4453 }
4454#endif
4455 pc = es->first_line_def;
4456 while (pc)
4457 {
4458 pp = pc->next;
4459 HeapFree(GetProcessHeap(), 0, pc);
4460 pc = pp;
4461 }
4462
4463 SetWindowLongA( hwnd, 0, 0 );
4464 HeapFree(GetProcessHeap(), 0, es);
4465}
4466
4467
4468/*********************************************************************
4469 *
4470 * WM_ERASEBKGND
4471 *
4472 */
4473static LRESULT EDIT_WM_EraseBkGnd(HWND hwnd, EDITSTATE *es, HDC dc)
4474{
4475 HBRUSH brush;
4476 RECT rc;
4477
4478 if ( get_app_version() >= 0x40000 &&(
4479 !es->bEnableState || (es->style & ES_READONLY)))
4480 brush = (HBRUSH)EDIT_SEND_CTLCOLORSTATIC(hwnd, dc);
4481 else
4482 brush = (HBRUSH)EDIT_SEND_CTLCOLOR(hwnd, dc);
4483
4484 if (!brush)
4485 brush = (HBRUSH)GetStockObject(WHITE_BRUSH);
4486
4487 GetClientRect(hwnd, &rc);
4488 IntersectClipRect(dc, rc.left, rc.top, rc.right, rc.bottom);
4489 GetClipBox(dc, &rc);
4490 /*
4491 * FIXME: specs say that we should UnrealizeObject() the brush,
4492 * but the specs of UnrealizeObject() say that we shouldn't
4493 * unrealize a stock object. The default brush that
4494 * DefWndProc() returns is ... a stock object.
4495 */
4496 FillRect(dc, &rc, brush);
4497 return -1;
4498}
4499
4500
4501/*********************************************************************
4502 *
4503 * WM_GETTEXT
4504 *
4505 */
4506static INT EDIT_WM_GetText(EDITSTATE *es, INT count, LPARAM lParam, BOOL unicode)
4507{
4508 if(!count) return 0;
4509
4510 if(unicode)
4511 {
4512 LPWSTR textW = (LPWSTR)lParam;
4513 strncpyW(textW, es->text, count);
4514 textW[count - 1] = 0; /* ensure 0 termination */
4515 return strlenW(textW);
4516 }
4517 else
4518 {
4519 LPSTR textA = (LPSTR)lParam;
4520 WideCharToMultiByte(CP_ACP, 0, es->text, -1, textA, count, NULL, NULL);
4521#ifdef __WIN32OS2__
4522 lstrtrunc( textA, count );
4523#else
4524 textA[count - 1] = 0; /* ensure 0 termination */
4525#endif
4526 return strlen(textA);
4527 }
4528}
4529
4530/*********************************************************************
4531 *
4532 * WM_HSCROLL
4533 *
4534 */
4535static LRESULT EDIT_WM_HScroll(HWND hwnd, EDITSTATE *es, INT action, INT pos)
4536{
4537 INT dx;
4538 INT fw;
4539
4540 if (!(es->style & ES_MULTILINE))
4541 return 0;
4542
4543 if (!(es->style & ES_AUTOHSCROLL))
4544 return 0;
4545
4546 dx = 0;
4547 fw = es->format_rect.right - es->format_rect.left;
4548 switch (action) {
4549 case SB_LINELEFT:
4550 TRACE("SB_LINELEFT\n");
4551 if (es->x_offset)
4552 dx = -es->char_width;
4553 break;
4554 case SB_LINERIGHT:
4555 TRACE("SB_LINERIGHT\n");
4556 if (es->x_offset < es->text_width)
4557 dx = es->char_width;
4558 break;
4559 case SB_PAGELEFT:
4560 TRACE("SB_PAGELEFT\n");
4561 if (es->x_offset)
4562 dx = -fw / HSCROLL_FRACTION / es->char_width * es->char_width;
4563 break;
4564 case SB_PAGERIGHT:
4565 TRACE("SB_PAGERIGHT\n");
4566 if (es->x_offset < es->text_width)
4567 dx = fw / HSCROLL_FRACTION / es->char_width * es->char_width;
4568 break;
4569 case SB_LEFT:
4570 TRACE("SB_LEFT\n");
4571 if (es->x_offset)
4572 dx = -es->x_offset;
4573 break;
4574 case SB_RIGHT:
4575 TRACE("SB_RIGHT\n");
4576 if (es->x_offset < es->text_width)
4577 dx = es->text_width - es->x_offset;
4578 break;
4579 case SB_THUMBTRACK:
4580 TRACE("SB_THUMBTRACK %d\n", pos);
4581 es->flags |= EF_HSCROLL_TRACK;
4582 if(es->style & WS_HSCROLL)
4583 dx = pos - es->x_offset;
4584 else
4585 {
4586 INT fw, new_x;
4587 /* Sanity check */
4588 if(pos < 0 || pos > 100) return 0;
4589 /* Assume default scroll range 0-100 */
4590 fw = es->format_rect.right - es->format_rect.left;
4591 new_x = pos * (es->text_width - fw) / 100;
4592 dx = es->text_width ? (new_x - es->x_offset) : 0;
4593 }
4594 break;
4595 case SB_THUMBPOSITION:
4596 TRACE("SB_THUMBPOSITION %d\n", pos);
4597 es->flags &= ~EF_HSCROLL_TRACK;
4598 if(GetWindowLongA( hwnd, GWL_STYLE ) & WS_HSCROLL)
4599 dx = pos - es->x_offset;
4600 else
4601 {
4602 INT fw, new_x;
4603 /* Sanity check */
4604 if(pos < 0 || pos > 100) return 0;
4605 /* Assume default scroll range 0-100 */
4606 fw = es->format_rect.right - es->format_rect.left;
4607 new_x = pos * (es->text_width - fw) / 100;
4608 dx = es->text_width ? (new_x - es->x_offset) : 0;
4609 }
4610 if (!dx) {
4611 /* force scroll info update */
4612 EDIT_UpdateScrollInfo(hwnd, es);
4613 EDIT_NOTIFY_PARENT(hwnd, es, EN_HSCROLL, "EN_HSCROLL");
4614 }
4615 break;
4616 case SB_ENDSCROLL:
4617 TRACE("SB_ENDSCROLL\n");
4618 break;
4619 /*
4620 * FIXME : the next two are undocumented !
4621 * Are we doing the right thing ?
4622 * At least Win 3.1 Notepad makes use of EM_GETTHUMB this way,
4623 * although it's also a regular control message.
4624 */
4625 case EM_GETTHUMB: /* this one is used by NT notepad */
4626 case EM_GETTHUMB16:
4627 {
4628 LRESULT ret;
4629 if(GetWindowLongA( hwnd, GWL_STYLE ) & WS_HSCROLL)
4630 ret = GetScrollPos(hwnd, SB_HORZ);
4631 else
4632 {
4633 /* Assume default scroll range 0-100 */
4634 INT fw = es->format_rect.right - es->format_rect.left;
4635 ret = es->text_width ? es->x_offset * 100 / (es->text_width - fw) : 0;
4636 }
4637 TRACE("EM_GETTHUMB: returning %ld\n", ret);
4638 return ret;
4639 }
4640 case EM_LINESCROLL16:
4641 TRACE("EM_LINESCROLL16\n");
4642 dx = pos;
4643 break;
4644
4645 default:
4646 ERR("undocumented WM_HSCROLL action %d (0x%04x), please report\n",
4647 action, action);
4648 return 0;
4649 }
4650 if (dx)
4651 {
4652 INT fw = es->format_rect.right - es->format_rect.left;
4653 /* check if we are going to move too far */
4654 if(es->x_offset + dx + fw > es->text_width)
4655 dx = es->text_width - fw - es->x_offset;
4656 if(dx)
4657 EDIT_EM_LineScroll_internal(hwnd, es, dx, 0);
4658 }
4659 return 0;
4660}
4661
4662
4663/*********************************************************************
4664 *
4665 * EDIT_CheckCombo
4666 *
4667 */
4668static BOOL EDIT_CheckCombo(HWND hwnd, EDITSTATE *es, UINT msg, INT key)
4669{
4670 HWND hLBox = es->hwndListBox;
4671 HWND hCombo;
4672 BOOL bDropped;
4673 int nEUI;
4674
4675 if (!hLBox)
4676 return FALSE;
4677
4678 hCombo = GetParent(hwnd);
4679 bDropped = TRUE;
4680 nEUI = 0;
4681
4682 TRACE_(combo)("[%04x]: handling msg %04x (%04x)\n",
4683 hwnd, (UINT16)msg, (UINT16)key);
4684
4685 if (key == VK_UP || key == VK_DOWN)
4686 {
4687 if (SendMessageW(hCombo, CB_GETEXTENDEDUI, 0, 0))
4688 nEUI = 1;
4689
4690 if (msg == WM_KEYDOWN || nEUI)
4691 bDropped = (BOOL)SendMessageW(hCombo, CB_GETDROPPEDSTATE, 0, 0);
4692 }
4693
4694 switch (msg)
4695 {
4696 case WM_KEYDOWN:
4697 if (!bDropped && nEUI && (key == VK_UP || key == VK_DOWN))
4698 {
4699 /* make sure ComboLBox pops up */
4700 SendMessageW(hCombo, CB_SETEXTENDEDUI, FALSE, 0);
4701 key = VK_F4;
4702 nEUI = 2;
4703 }
4704
4705 SendMessageW(hLBox, WM_KEYDOWN, (WPARAM)key, 0);
4706 break;
4707
4708 case WM_SYSKEYDOWN: /* Handle Alt+up/down arrows */
4709 if (nEUI)
4710 SendMessageW(hCombo, CB_SHOWDROPDOWN, bDropped ? FALSE : TRUE, 0);
4711 else
4712 SendMessageW(hLBox, WM_KEYDOWN, (WPARAM)VK_F4, 0);
4713 break;
4714 }
4715
4716 if(nEUI == 2)
4717 SendMessageW(hCombo, CB_SETEXTENDEDUI, TRUE, 0);
4718
4719 return TRUE;
4720}
4721
4722
4723/*********************************************************************
4724 *
4725 * WM_KEYDOWN
4726 *
4727 * Handling of special keys that don't produce a WM_CHAR
4728 * (i.e. non-printable keys) & Backspace & Delete
4729 *
4730 */
4731static LRESULT EDIT_WM_KeyDown(HWND hwnd, EDITSTATE *es, INT key)
4732{
4733 BOOL shift;
4734 BOOL control;
4735
4736 if (GetKeyState(VK_MENU) & 0x8000)
4737 return 0;
4738
4739 shift = GetKeyState(VK_SHIFT) & 0x8000;
4740 control = GetKeyState(VK_CONTROL) & 0x8000;
4741
4742 switch (key) {
4743 case VK_F4:
4744 case VK_UP:
4745 if (EDIT_CheckCombo(hwnd, es, WM_KEYDOWN, key) || key == VK_F4)
4746 break;
4747
4748 /* fall through */
4749 case VK_LEFT:
4750 if ((es->style & ES_MULTILINE) && (key == VK_UP))
4751 EDIT_MoveUp_ML(hwnd, es, shift);
4752 else
4753 if (control)
4754 EDIT_MoveWordBackward(hwnd, es, shift);
4755 else
4756 EDIT_MoveBackward(hwnd, es, shift);
4757 break;
4758 case VK_DOWN:
4759 if (EDIT_CheckCombo(hwnd, es, WM_KEYDOWN, key))
4760 break;
4761 /* fall through */
4762 case VK_RIGHT:
4763 if ((es->style & ES_MULTILINE) && (key == VK_DOWN))
4764 EDIT_MoveDown_ML(hwnd, es, shift);
4765 else if (control)
4766 EDIT_MoveWordForward(hwnd, es, shift);
4767 else
4768 EDIT_MoveForward(hwnd, es, shift);
4769 break;
4770 case VK_HOME:
4771 EDIT_MoveHome(hwnd, es, shift);
4772 break;
4773 case VK_END:
4774 EDIT_MoveEnd(hwnd, es, shift);
4775 break;
4776 case VK_PRIOR:
4777 if (es->style & ES_MULTILINE)
4778 EDIT_MovePageUp_ML(hwnd, es, shift);
4779 else
4780 EDIT_CheckCombo(hwnd, es, WM_KEYDOWN, key);
4781 break;
4782 case VK_NEXT:
4783 if (es->style & ES_MULTILINE)
4784 EDIT_MovePageDown_ML(hwnd, es, shift);
4785 else
4786 EDIT_CheckCombo(hwnd, es, WM_KEYDOWN, key);
4787 break;
4788 case VK_DELETE:
4789 if (!(es->style & ES_READONLY) && !(shift && control)) {
4790 if (es->selection_start != es->selection_end) {
4791 if (shift)
4792 EDIT_WM_Cut(hwnd, es);
4793 else
4794 EDIT_WM_Clear(hwnd, es);
4795 } else {
4796 if (shift) {
4797 /* delete character left of caret */
4798 EDIT_EM_SetSel(hwnd, es, (UINT)-1, 0, FALSE);
4799 EDIT_MoveBackward(hwnd, es, TRUE);
4800 EDIT_WM_Clear(hwnd, es);
4801 } else if (control) {
4802 /* delete to end of line */
4803 EDIT_EM_SetSel(hwnd, es, (UINT)-1, 0, FALSE);
4804 EDIT_MoveEnd(hwnd, es, TRUE);
4805 EDIT_WM_Clear(hwnd, es);
4806 } else {
4807 /* delete character right of caret */
4808 EDIT_EM_SetSel(hwnd, es, (UINT)-1, 0, FALSE);
4809 EDIT_MoveForward(hwnd, es, TRUE);
4810 EDIT_WM_Clear(hwnd, es);
4811 }
4812 }
4813 }
4814 break;
4815 case VK_INSERT:
4816 if (shift) {
4817 if (!(es->style & ES_READONLY))
4818 EDIT_WM_Paste(hwnd, es);
4819 } else if (control)
4820 EDIT_WM_Copy(hwnd, es);
4821 break;
4822 case VK_RETURN:
4823 /* If the edit doesn't want the return send a message to the default object */
4824 if(!(es->style & ES_WANTRETURN))
4825 {
4826 HWND hwndParent = GetParent(hwnd);
4827 DWORD dw = SendMessageW( hwndParent, DM_GETDEFID, 0, 0 );
4828 if (HIWORD(dw) == DC_HASDEFID)
4829 {
4830 SendMessageW( hwndParent, WM_COMMAND,
4831 MAKEWPARAM( LOWORD(dw), BN_CLICKED ),
4832 (LPARAM)GetDlgItem( hwndParent, LOWORD(dw) ) );
4833 }
4834 }
4835 break;
4836 }
4837 return 0;
4838}
4839
4840
4841/*********************************************************************
4842 *
4843 * WM_KILLFOCUS
4844 *
4845 */
4846static LRESULT EDIT_WM_KillFocus(HWND hwnd, EDITSTATE *es)
4847{
4848 es->flags &= ~EF_FOCUSED;
4849 DestroyCaret();
4850 if(!(es->style & ES_NOHIDESEL))
4851 EDIT_InvalidateText(hwnd, es, es->selection_start, es->selection_end);
4852 EDIT_NOTIFY_PARENT(hwnd, es, EN_KILLFOCUS, "EN_KILLFOCUS");
4853 return 0;
4854}
4855
4856
4857/*********************************************************************
4858 *
4859 * WM_LBUTTONDBLCLK
4860 *
4861 * The caret position has been set on the WM_LBUTTONDOWN message
4862 *
4863 */
4864static LRESULT EDIT_WM_LButtonDblClk(HWND hwnd, EDITSTATE *es)
4865{
4866 INT s;
4867 INT e = es->selection_end;
4868 INT l;
4869 INT li;
4870 INT ll;
4871
4872 if (!(es->flags & EF_FOCUSED))
4873 return 0;
4874
4875 l = EDIT_EM_LineFromChar(es, e);
4876 li = EDIT_EM_LineIndex(es, l);
4877 ll = EDIT_EM_LineLength(es, e);
4878 s = li + EDIT_CallWordBreakProc(es, li, e - li, ll, WB_LEFT);
4879 e = li + EDIT_CallWordBreakProc(es, li, e - li, ll, WB_RIGHT);
4880 EDIT_EM_SetSel(hwnd, es, s, e, FALSE);
4881 EDIT_EM_ScrollCaret(hwnd, es);
4882 return 0;
4883}
4884
4885
4886/*********************************************************************
4887 *
4888 * WM_LBUTTONDOWN
4889 *
4890 */
4891static LRESULT EDIT_WM_LButtonDown(HWND hwnd, EDITSTATE *es, DWORD keys, INT x, INT y)
4892{
4893 INT e;
4894 BOOL after_wrap;
4895
4896 if (!(es->flags & EF_FOCUSED))
4897 return 0;
4898
4899 es->bCaptureState = TRUE;
4900 SetCapture(hwnd);
4901 EDIT_ConfinePoint(es, &x, &y);
4902 e = EDIT_CharFromPos(hwnd, es, x, y, &after_wrap);
4903 EDIT_EM_SetSel(hwnd, es, (keys & MK_SHIFT) ? es->selection_start : e, e, after_wrap);
4904 EDIT_EM_ScrollCaret(hwnd, es);
4905 es->region_posx = es->region_posy = 0;
4906 SetTimer(hwnd, 0, 100, NULL);
4907 return 0;
4908}
4909
4910
4911/*********************************************************************
4912 *
4913 * WM_LBUTTONUP
4914 *
4915 */
4916static LRESULT EDIT_WM_LButtonUp(HWND hwndSelf, EDITSTATE *es)
4917{
4918#ifdef __WIN32OS2__
4919 if (es->bCaptureState) {
4920 KillTimer(hwndSelf, 0);
4921 if(GetCapture() == hwndSelf) ReleaseCapture();
4922 }
4923#else
4924 if (es->bCaptureState && GetCapture() == hwndSelf) {
4925 KillTimer(hwndSelf, 0);
4926 ReleaseCapture();
4927 }
4928#endif
4929 es->bCaptureState = FALSE;
4930 return 0;
4931}
4932
4933
4934/*********************************************************************
4935 *
4936 * WM_MBUTTONDOWN
4937 *
4938 */
4939static LRESULT EDIT_WM_MButtonDown(HWND hwnd)
4940{
4941 SendMessageW(hwnd,WM_PASTE,0,0);
4942 return 0;
4943}
4944
4945
4946/*********************************************************************
4947 *
4948 * WM_MOUSEMOVE
4949 *
4950 */
4951static LRESULT EDIT_WM_MouseMove(HWND hwnd, EDITSTATE *es, INT x, INT y)
4952{
4953 INT e;
4954 BOOL after_wrap;
4955 INT prex, prey;
4956
4957 if (GetCapture() != hwnd)
4958 return 0;
4959
4960 /*
4961 * FIXME: gotta do some scrolling if outside client
4962 * area. Maybe reset the timer ?
4963 */
4964 prex = x; prey = y;
4965 EDIT_ConfinePoint(es, &x, &y);
4966 es->region_posx = (prex < x) ? -1 : ((prex > x) ? 1 : 0);
4967 es->region_posy = (prey < y) ? -1 : ((prey > y) ? 1 : 0);
4968 e = EDIT_CharFromPos(hwnd, es, x, y, &after_wrap);
4969 EDIT_EM_SetSel(hwnd, es, es->selection_start, e, after_wrap);
4970 return 0;
4971}
4972
4973
4974/*********************************************************************
4975 *
4976 * WM_NCCREATE
4977 *
4978 * See also EDIT_WM_StyleChanged
4979 */
4980static LRESULT EDIT_WM_NCCreate(HWND hwnd, DWORD style, HWND hwndParent, BOOL unicode)
4981{
4982 EDITSTATE *es;
4983 UINT alloc_size;
4984
4985 TRACE("Creating %s edit control, style = %08lx\n",
4986 unicode ? "Unicode" : "ANSI", style);
4987
4988 if (!(es = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*es))))
4989 return FALSE;
4990 SetWindowLongA( hwnd, 0, (LONG)es );
4991
4992 /*
4993 * Note: since the EDITSTATE has not been fully initialized yet,
4994 * we can't use any API calls that may send
4995 * WM_XXX messages before WM_NCCREATE is completed.
4996 */
4997
4998 es->is_unicode = unicode;
4999 es->style = style;
5000
5001 es->bEnableState = !(style & WS_DISABLED);
5002
5003 /* Save parent, which will be notified by EN_* messages */
5004 es->hwndParent = hwndParent;
5005
5006 if (es->style & ES_COMBO)
5007 es->hwndListBox = GetDlgItem(hwndParent, ID_CB_LISTBOX);
5008
5009 /* Number overrides lowercase overrides uppercase (at least it
5010 * does in Win95). However I'll bet that ES_NUMBER would be
5011 * invalid under Win 3.1.
5012 */
5013 if (es->style & ES_NUMBER) {
5014 ; /* do not override the ES_NUMBER */
5015 } else if (es->style & ES_LOWERCASE) {
5016 es->style &= ~ES_UPPERCASE;
5017 }
5018 if (es->style & ES_MULTILINE) {
5019 es->buffer_limit = BUFLIMIT_MULTI;
5020 if (es->style & WS_VSCROLL)
5021 es->style |= ES_AUTOVSCROLL;
5022 if (es->style & WS_HSCROLL)
5023 es->style |= ES_AUTOHSCROLL;
5024 es->style &= ~ES_PASSWORD;
5025 if ((es->style & ES_CENTER) || (es->style & ES_RIGHT)) {
5026 /* Confirmed - RIGHT overrides CENTER */
5027 if (es->style & ES_RIGHT)
5028 es->style &= ~ES_CENTER;
5029 es->style &= ~WS_HSCROLL;
5030 es->style &= ~ES_AUTOHSCROLL;
5031 }
5032
5033 /* FIXME: for now, all multi line controls are AUTOVSCROLL */
5034 es->style |= ES_AUTOVSCROLL;
5035 } else {
5036 es->buffer_limit = BUFLIMIT_SINGLE;
5037 if (WIN31_LOOK == TWEAK_WineLook ||
5038 WIN95_LOOK == TWEAK_WineLook) {
5039 es->style &= ~ES_CENTER;
5040 es->style &= ~ES_RIGHT;
5041 } else {
5042 if (es->style & ES_RIGHT)
5043 es->style &= ~ES_CENTER;
5044 }
5045 es->style &= ~WS_HSCROLL;
5046 es->style &= ~WS_VSCROLL;
5047 es->style &= ~ES_AUTOVSCROLL;
5048 es->style &= ~ES_WANTRETURN;
5049 if (es->style & ES_PASSWORD)
5050 es->password_char = '*';
5051
5052 /* FIXME: for now, all single line controls are AUTOHSCROLL */
5053 es->style |= ES_AUTOHSCROLL;
5054 }
5055
5056 alloc_size = ROUND_TO_GROW((es->buffer_size + 1) * sizeof(WCHAR));
5057 if(!(es->hloc32W = LocalAlloc(LMEM_MOVEABLE | LMEM_ZEROINIT, alloc_size)))
5058 return FALSE;
5059 es->buffer_size = LocalSize(es->hloc32W)/sizeof(WCHAR) - 1;
5060
5061 if (!(es->undo_text = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, (es->buffer_size + 1) * sizeof(WCHAR))))
5062 return FALSE;
5063 es->undo_buffer_size = es->buffer_size;
5064
5065 if (es->style & ES_MULTILINE)
5066 if (!(es->first_line_def = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(LINEDEF))))
5067 return FALSE;
5068 es->line_count = 1;
5069
5070 /*
5071 * In Win95 look and feel, the WS_BORDER style is replaced by the
5072 * WS_EX_CLIENTEDGE style for the edit control. This gives the edit
5073 * control a non client area. Not always. This coordinates in some
5074 * way with the window creation code in dialog.c When making
5075 * modifications please ensure that the code still works for edit
5076 * controls created directly with style 0x50800000, exStyle 0 (
5077 * which should have a single pixel border)
5078 */
5079 if (TWEAK_WineLook != WIN31_LOOK)
5080 {
5081 es->style &= ~WS_BORDER;
5082 }
5083 else
5084 {
5085 if ((es->style & WS_BORDER) && !(es->style & WS_DLGFRAME))
5086 SetWindowLongA( hwnd, GWL_STYLE,
5087 GetWindowLongA( hwnd, GWL_STYLE ) & ~WS_BORDER );
5088 }
5089
5090#ifdef __WIN32OS2__
5091 es->compStr = NULL;
5092 es->compStrLen = 0;
5093 es->moveCaret = TRUE;
5094 {
5095 HIMC himc;
5096 DWORD conversionMode;
5097
5098 himc = ImmGetContext( hwnd );
5099
5100 ImmGetConversionStatus( himc, &conversionMode, &es->sentenceMode );
5101
5102 ImmReleaseContext( hwnd, himc );
5103 }
5104#endif
5105
5106 return TRUE;
5107}
5108
5109/*********************************************************************
5110 *
5111 * WM_PAINT
5112 *
5113 */
5114static void EDIT_WM_Paint(HWND hwnd, EDITSTATE *es, WPARAM wParam)
5115{
5116 PAINTSTRUCT ps;
5117 INT i;
5118 HDC dc;
5119 HFONT old_font = 0;
5120 RECT rc;
5121 RECT rcLine;
5122 RECT rcRgn;
5123 BOOL rev = es->bEnableState &&
5124 ((es->flags & EF_FOCUSED) ||
5125 (es->style & ES_NOHIDESEL));
5126 if (!wParam)
5127 dc = BeginPaint(hwnd, &ps);
5128 else
5129 dc = (HDC) wParam;
5130 if(es->style & WS_BORDER) {
5131 GetClientRect(hwnd, &rc);
5132 if(es->style & ES_MULTILINE) {
5133 if(es->style & WS_HSCROLL) rc.bottom++;
5134 if(es->style & WS_VSCROLL) rc.right++;
5135 }
5136 Rectangle(dc, rc.left, rc.top, rc.right, rc.bottom);
5137 }
5138 IntersectClipRect(dc, es->format_rect.left,
5139 es->format_rect.top,
5140 es->format_rect.right,
5141 es->format_rect.bottom);
5142 if (es->style & ES_MULTILINE) {
5143 GetClientRect(hwnd, &rc);
5144 IntersectClipRect(dc, rc.left, rc.top, rc.right, rc.bottom);
5145 }
5146 if (es->font)
5147 old_font = SelectObject(dc, es->font);
5148 if ( get_app_version() >= 0x40000 &&(
5149 !es->bEnableState || (es->style & ES_READONLY)))
5150 EDIT_SEND_CTLCOLORSTATIC(hwnd, dc);
5151 else
5152 EDIT_SEND_CTLCOLOR(hwnd, dc);
5153
5154 if (!es->bEnableState)
5155 SetTextColor(dc, GetSysColor(COLOR_GRAYTEXT));
5156 GetClipBox(dc, &rcRgn);
5157 if (es->style & ES_MULTILINE) {
5158 INT vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
5159 for (i = es->y_offset ; i <= min(es->y_offset + vlc, es->y_offset + es->line_count - 1) ; i++) {
5160 EDIT_GetLineRect(hwnd, es, i, 0, -1, &rcLine);
5161 if (IntersectRect(&rc, &rcRgn, &rcLine))
5162 EDIT_PaintLine(hwnd, es, dc, i, rev);
5163 }
5164 } else {
5165 EDIT_GetLineRect(hwnd, es, 0, 0, -1, &rcLine);
5166 if (IntersectRect(&rc, &rcRgn, &rcLine))
5167 EDIT_PaintLine(hwnd, es, dc, 0, rev);
5168 }
5169 if (es->font)
5170 SelectObject(dc, old_font);
5171
5172 if (!wParam)
5173 EndPaint(hwnd, &ps);
5174}
5175
5176
5177/*********************************************************************
5178 *
5179 * WM_PASTE
5180 *
5181 */
5182static void EDIT_WM_Paste(HWND hwnd, EDITSTATE *es)
5183{
5184 HGLOBAL hsrc;
5185 LPWSTR src;
5186
5187 /* Protect read-only edit control from modification */
5188 if(es->style & ES_READONLY)
5189 return;
5190
5191 OpenClipboard(hwnd);
5192 if ((hsrc = GetClipboardData(CF_UNICODETEXT)) != 0) {
5193 src = (LPWSTR)GlobalLock(hsrc);
5194 EDIT_EM_ReplaceSel(hwnd, es, TRUE, src, TRUE);
5195 GlobalUnlock(hsrc);
5196 }
5197 CloseClipboard();
5198}
5199
5200
5201/*********************************************************************
5202 *
5203 * WM_SETFOCUS
5204 *
5205 */
5206static void EDIT_WM_SetFocus(HWND hwnd, EDITSTATE *es)
5207{
5208 es->flags |= EF_FOCUSED;
5209 CreateCaret(hwnd, 0, 2, es->line_height);
5210 EDIT_SetCaretPos(hwnd, es, es->selection_end,
5211 es->flags & EF_AFTER_WRAP);
5212 if(!(es->style & ES_NOHIDESEL))
5213 EDIT_InvalidateText(hwnd, es, es->selection_start, es->selection_end);
5214 ShowCaret(hwnd);
5215 EDIT_NOTIFY_PARENT(hwnd, es, EN_SETFOCUS, "EN_SETFOCUS");
5216}
5217
5218
5219/*********************************************************************
5220 *
5221 * WM_SETFONT
5222 *
5223 * With Win95 look the margins are set to default font value unless
5224 * the system font (font == 0) is being set, in which case they are left
5225 * unchanged.
5226 *
5227 */
5228static void EDIT_WM_SetFont(HWND hwnd, EDITSTATE *es, HFONT font, BOOL redraw)
5229{
5230 TEXTMETRICW tm;
5231 HDC dc;
5232 HFONT old_font = 0;
5233 RECT r;
5234
5235 es->font = font;
5236 dc = GetDC(hwnd);
5237#ifdef __WIN32OS2__
5238 // todo : set font of IME window
5239#endif
5240 if (font)
5241 old_font = SelectObject(dc, font);
5242 GetTextMetricsW(dc, &tm);
5243 es->line_height = tm.tmHeight;
5244 es->char_width = tm.tmAveCharWidth;
5245 if (font)
5246 SelectObject(dc, old_font);
5247 ReleaseDC(hwnd, dc);
5248 if (font && (TWEAK_WineLook > WIN31_LOOK))
5249 EDIT_EM_SetMargins(es, EC_LEFTMARGIN | EC_RIGHTMARGIN,
5250 EC_USEFONTINFO, EC_USEFONTINFO);
5251
5252 /* Force the recalculation of the format rect for each font change */
5253 GetClientRect(hwnd, &r);
5254 EDIT_SetRectNP(hwnd, es, &r);
5255
5256 if (es->style & ES_MULTILINE)
5257 EDIT_BuildLineDefs_ML(hwnd, es, 0, strlenW(es->text), 0, (HRGN)0);
5258 else
5259 EDIT_CalcLineWidth_SL(hwnd, es);
5260
5261 if (redraw)
5262 EDIT_UpdateText(hwnd, es, NULL, TRUE);
5263 if (es->flags & EF_FOCUSED) {
5264 DestroyCaret();
5265 CreateCaret(hwnd, 0, 2, es->line_height);
5266 EDIT_SetCaretPos(hwnd, es, es->selection_end,
5267 es->flags & EF_AFTER_WRAP);
5268 ShowCaret(hwnd);
5269 }
5270}
5271
5272
5273/*********************************************************************
5274 *
5275 * WM_SETTEXT
5276 *
5277 * NOTES
5278 * For multiline controls (ES_MULTILINE), reception of WM_SETTEXT triggers:
5279 * The modified flag is reset. No notifications are sent.
5280 *
5281 * For single-line controls, reception of WM_SETTEXT triggers:
5282 * The modified flag is reset. EN_UPDATE and EN_CHANGE notifications are sent.
5283 *
5284 */
5285static void EDIT_WM_SetText(HWND hwnd, EDITSTATE *es, LPARAM lParam, BOOL unicode)
5286{
5287 LPWSTR text = NULL;
5288
5289 if(unicode)
5290 text = (LPWSTR)lParam;
5291 else if (lParam)
5292 {
5293 LPCSTR textA = (LPCSTR)lParam;
5294 INT countW = MultiByteToWideChar(CP_ACP, 0, textA, -1, NULL, 0);
5295 if((text = HeapAlloc(GetProcessHeap(), 0, countW * sizeof(WCHAR))) != NULL)
5296 MultiByteToWideChar(CP_ACP, 0, textA, -1, text, countW);
5297 }
5298
5299 EDIT_EM_SetSel(hwnd, es, 0, (UINT)-1, FALSE);
5300 if (text) {
5301 TRACE("%s\n", debugstr_w(text));
5302 EDIT_EM_ReplaceSel(hwnd, es, FALSE, text, FALSE);
5303 if(!unicode)
5304 HeapFree(GetProcessHeap(), 0, text);
5305 } else {
5306 static const WCHAR empty_stringW[] = {0};
5307 TRACE("<NULL>\n");
5308 EDIT_EM_ReplaceSel(hwnd, es, FALSE, empty_stringW, FALSE);
5309 }
5310 es->x_offset = 0;
5311 es->flags &= ~EF_MODIFIED;
5312 EDIT_EM_SetSel(hwnd, es, 0, 0, FALSE);
5313 /* Send the notification after the selection start and end have been set
5314 * edit control doesn't send notification on WM_SETTEXT
5315 * if it is multiline, or it is part of combobox
5316 */
5317 if( !((es->style & ES_MULTILINE) || es->hwndListBox))
5318 {
5319 EDIT_NOTIFY_PARENT(hwnd, es, EN_CHANGE, "EN_CHANGE");
5320 EDIT_NOTIFY_PARENT(hwnd, es, EN_UPDATE, "EN_UPDATE");
5321 }
5322 EDIT_EM_ScrollCaret(hwnd, es);
5323}
5324
5325
5326/*********************************************************************
5327 *
5328 * WM_SIZE
5329 *
5330 */
5331static void EDIT_WM_Size(HWND hwnd, EDITSTATE *es, UINT action, INT width, INT height)
5332{
5333 if ((action == SIZE_MAXIMIZED) || (action == SIZE_RESTORED)) {
5334 RECT rc;
5335 TRACE("width = %d, height = %d\n", width, height);
5336 SetRect(&rc, 0, 0, width, height);
5337 EDIT_SetRectNP(hwnd, es, &rc);
5338 EDIT_UpdateText(hwnd, es, NULL, TRUE);
5339 }
5340}
5341
5342
5343/*********************************************************************
5344 *
5345 * WM_STYLECHANGED
5346 *
5347 * This message is sent by SetWindowLong on having changed either the Style
5348 * or the extended style.
5349 *
5350 * We ensure that the window's version of the styles and the EDITSTATE's agree.
5351 *
5352 * See also EDIT_WM_NCCreate
5353 *
5354 * It appears that the Windows version of the edit control allows the style
5355 * (as retrieved by GetWindowLong) to be any value and maintains an internal
5356 * style variable which will generally be different. In this function we
5357 * update the internal style based on what changed in the externally visible
5358 * style.
5359 *
5360 * Much of this content as based upon the MSDN, especially:
5361 * Platform SDK Documentation -> User Interface Services ->
5362 * Windows User Interface -> Edit Controls -> Edit Control Reference ->
5363 * Edit Control Styles
5364 */
5365static LRESULT EDIT_WM_StyleChanged (HWND hwnd,
5366 EDITSTATE *es,
5367 WPARAM which,
5368 const STYLESTRUCT *style)
5369{
5370 if (GWL_STYLE == which) {
5371 DWORD style_change_mask;
5372 DWORD new_style;
5373 /* Only a subset of changes can be applied after the control
5374 * has been created.
5375 */
5376 style_change_mask = ES_UPPERCASE | ES_LOWERCASE |
5377 ES_NUMBER;
5378 if (es->style & ES_MULTILINE)
5379 style_change_mask |= ES_WANTRETURN;
5380
5381 new_style = style->styleNew & style_change_mask;
5382
5383 /* Number overrides lowercase overrides uppercase (at least it
5384 * does in Win95). However I'll bet that ES_NUMBER would be
5385 * invalid under Win 3.1.
5386 */
5387 if (new_style & ES_NUMBER) {
5388 ; /* do not override the ES_NUMBER */
5389 } else if (new_style & ES_LOWERCASE) {
5390 new_style &= ~ES_UPPERCASE;
5391 }
5392
5393 es->style = (es->style & ~style_change_mask) | new_style;
5394 } else if (GWL_EXSTYLE == which) {
5395 ; /* FIXME - what is needed here */
5396 } else {
5397 WARN ("Invalid style change %d\n",which);
5398 }
5399
5400 return 0;
5401}
5402
5403/*********************************************************************
5404 *
5405 * WM_SYSKEYDOWN
5406 *
5407 */
5408static LRESULT EDIT_WM_SysKeyDown(HWND hwnd, EDITSTATE *es, INT key, DWORD key_data)
5409{
5410 if ((key == VK_BACK) && (key_data & 0x2000)) {
5411 if (EDIT_EM_CanUndo(es))
5412 EDIT_EM_Undo(hwnd, es);
5413 return 0;
5414 } else if (key == VK_UP || key == VK_DOWN) {
5415 if (EDIT_CheckCombo(hwnd, es, WM_SYSKEYDOWN, key))
5416 return 0;
5417 }
5418 return DefWindowProcW(hwnd, WM_SYSKEYDOWN, (WPARAM)key, (LPARAM)key_data);
5419}
5420
5421
5422/*********************************************************************
5423 *
5424 * WM_TIMER
5425 *
5426 */
5427static void EDIT_WM_Timer(HWND hwnd, EDITSTATE *es)
5428{
5429 if (es->region_posx < 0) {
5430 EDIT_MoveBackward(hwnd, es, TRUE);
5431 } else if (es->region_posx > 0) {
5432 EDIT_MoveForward(hwnd, es, TRUE);
5433 }
5434/*
5435 * FIXME: gotta do some vertical scrolling here, like
5436 * EDIT_EM_LineScroll(hwnd, 0, 1);
5437 */
5438}
5439
5440/*********************************************************************
5441 *
5442 * WM_VSCROLL
5443 *
5444 */
5445static LRESULT EDIT_WM_VScroll(HWND hwnd, EDITSTATE *es, INT action, INT pos)
5446{
5447 INT dy;
5448
5449 if (!(es->style & ES_MULTILINE))
5450 return 0;
5451
5452 if (!(es->style & ES_AUTOVSCROLL))
5453 return 0;
5454
5455 dy = 0;
5456 switch (action) {
5457 case SB_LINEUP:
5458 case SB_LINEDOWN:
5459 case SB_PAGEUP:
5460 case SB_PAGEDOWN:
5461 TRACE("action %d\n", action);
5462 EDIT_EM_Scroll(hwnd, es, action);
5463 return 0;
5464 case SB_TOP:
5465 TRACE("SB_TOP\n");
5466 dy = -es->y_offset;
5467 break;
5468 case SB_BOTTOM:
5469 TRACE("SB_BOTTOM\n");
5470 dy = es->line_count - 1 - es->y_offset;
5471 break;
5472 case SB_THUMBTRACK:
5473 TRACE("SB_THUMBTRACK %d\n", pos);
5474 es->flags |= EF_VSCROLL_TRACK;
5475 if(es->style & WS_VSCROLL)
5476 dy = pos - es->y_offset;
5477 else
5478 {
5479 /* Assume default scroll range 0-100 */
5480 INT vlc, new_y;
5481 /* Sanity check */
5482 if(pos < 0 || pos > 100) return 0;
5483 vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
5484 new_y = pos * (es->line_count - vlc) / 100;
5485 dy = es->line_count ? (new_y - es->y_offset) : 0;
5486 TRACE("line_count=%d, y_offset=%d, pos=%d, dy = %d\n",
5487 es->line_count, es->y_offset, pos, dy);
5488 }
5489 break;
5490 case SB_THUMBPOSITION:
5491 TRACE("SB_THUMBPOSITION %d\n", pos);
5492 es->flags &= ~EF_VSCROLL_TRACK;
5493 if(es->style & WS_VSCROLL)
5494 dy = pos - es->y_offset;
5495 else
5496 {
5497 /* Assume default scroll range 0-100 */
5498 INT vlc, new_y;
5499 /* Sanity check */
5500 if(pos < 0 || pos > 100) return 0;
5501 vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
5502 new_y = pos * (es->line_count - vlc) / 100;
5503 dy = es->line_count ? (new_y - es->y_offset) : 0;
5504 TRACE("line_count=%d, y_offset=%d, pos=%d, dy = %d\n",
5505 es->line_count, es->y_offset, pos, dy);
5506 }
5507 if (!dy)
5508 {
5509 /* force scroll info update */
5510 EDIT_UpdateScrollInfo(hwnd, es);
5511 EDIT_NOTIFY_PARENT(hwnd, es, EN_VSCROLL, "EN_VSCROLL");
5512 }
5513 break;
5514 case SB_ENDSCROLL:
5515 TRACE("SB_ENDSCROLL\n");
5516 break;
5517 /*
5518 * FIXME : the next two are undocumented !
5519 * Are we doing the right thing ?
5520 * At least Win 3.1 Notepad makes use of EM_GETTHUMB this way,
5521 * although it's also a regular control message.
5522 */
5523 case EM_GETTHUMB: /* this one is used by NT notepad */
5524 case EM_GETTHUMB16:
5525 {
5526 LRESULT ret;
5527 if(GetWindowLongA( hwnd, GWL_STYLE ) & WS_VSCROLL)
5528 ret = GetScrollPos(hwnd, SB_VERT);
5529 else
5530 {
5531 /* Assume default scroll range 0-100 */
5532 INT vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
5533 ret = es->line_count ? es->y_offset * 100 / (es->line_count - vlc) : 0;
5534 }
5535 TRACE("EM_GETTHUMB: returning %ld\n", ret);
5536 return ret;
5537 }
5538 case EM_LINESCROLL16:
5539 TRACE("EM_LINESCROLL16 %d\n", pos);
5540 dy = pos;
5541 break;
5542
5543 default:
5544 ERR("undocumented WM_VSCROLL action %d (0x%04x), please report\n",
5545 action, action);
5546 return 0;
5547 }
5548 if (dy)
5549 EDIT_EM_LineScroll(hwnd, es, 0, dy);
5550 return 0;
5551}
5552
5553/*********************************************************************
5554 *
5555 * EDIT_UpdateText
5556 *
5557 */
5558static void EDIT_UpdateTextRegion(HWND hwnd, EDITSTATE *es, HRGN hrgn, BOOL bErase)
5559{
5560 if (es->flags & EF_UPDATE) EDIT_NOTIFY_PARENT(hwnd, es, EN_UPDATE, "EN_UPDATE");
5561 InvalidateRgn(hwnd, hrgn, bErase);
5562}
5563
5564
5565/*********************************************************************
5566 *
5567 * EDIT_UpdateText
5568 *
5569 */
5570static void EDIT_UpdateText(HWND hwnd, EDITSTATE *es, LPRECT rc, BOOL bErase)
5571{
5572 if (es->flags & EF_UPDATE) EDIT_NOTIFY_PARENT(hwnd, es, EN_UPDATE, "EN_UPDATE");
5573 InvalidateRect(hwnd, rc, bErase);
5574}
Note: See TracBrowser for help on using the repository browser.