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Get rid of the WIN_SetRectangles export from user32.
[wine.git] / dlls / comctl32 / header.c
blob219db53e68a1f0ebc9ae41a79fa517b41ec6eb01
1 /*
2 * Header control
3 *
4 * Copyright 1998 Eric Kohl
5 * Copyright 2000 Eric Kohl for CodeWeavers
6 * Copyright 2003 Maxime Bellenge
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 *
22 * TODO:
23 * - Imagelist support (partially).
24 * - Callback items (under construction).
25 * - Hottrack support (partially).
26 * - Custom draw support (including Notifications).
27 * - Drag and Drop support (including Notifications).
28 * - New messages.
29 * - Use notification format
30 * - Correct the order maintenance code to preserve valid order
31 *
32 */
33
34 #include <stdarg.h>
35 #include <string.h>
36
37 #include "windef.h"
38 #include "winbase.h"
39 #include "wine/unicode.h"
40 #include "wingdi.h"
41 #include "winuser.h"
42 #include "winnls.h"
43 #include "commctrl.h"
44 #include "comctl32.h"
45 #include "imagelist.h"
46 #include "wine/debug.h"
47
48 WINE_DEFAULT_DEBUG_CHANNEL(header);
49
50 typedef struct
51 {
52 INT cxy;
53 HBITMAP hbm;
54 LPWSTR pszText;
55 INT fmt;
56 LPARAM lParam;
57 INT iImage;
58 INT iOrder; /* see documentation of HD_ITEM */
59
60 BOOL bDown; /* is item pressed? (used for drawing) */
61 RECT rect; /* bounding rectangle of the item */
62 } HEADER_ITEM;
63
64
65 typedef struct
66 {
67 HWND hwndNotify; /* Owner window to send notifications to */
68 INT nNotifyFormat; /* format used for WM_NOTIFY messages */
69 UINT uNumItem; /* number of items (columns) */
70 INT nHeight; /* height of the header (pixels) */
71 HFONT hFont; /* handle to the current font */
72 HCURSOR hcurArrow; /* handle to the arrow cursor */
73 HCURSOR hcurDivider; /* handle to a cursor (used over dividers) <-|-> */
74 HCURSOR hcurDivopen; /* handle to a cursor (used over dividers) <-||-> */
75 BOOL bCaptured; /* Is the mouse captured? */
76 BOOL bPressed; /* Is a header item pressed (down)? */
77 BOOL bTracking; /* Is in tracking mode? */
78 BOOL bUnicode; /* Unicode flag */
79 INT iMoveItem; /* index of tracked item. (Tracking mode) */
80 INT xTrackOffset; /* distance between the right side of the tracked item and the cursor */
81 INT xOldTrack; /* track offset (see above) after the last WM_MOUSEMOVE */
82 INT nOldWidth; /* width of a sizing item after the last WM_MOUSEMOVE */
83 INT iHotItem; /* index of hot item (cursor is over this item) */
84 INT iMargin; /* width of the margin that surrounds a bitmap */
85
86 HIMAGELIST himl; /* handle to a image list (may be 0) */
87 HEADER_ITEM *items; /* pointer to array of HEADER_ITEM's */
88 BOOL bRectsValid; /* validity flag for bounding rectangles */
89 } HEADER_INFO;
90
91
92 #define VERT_BORDER 3
93 #define DIVIDER_WIDTH 10
94
95 #define HEADER_GetInfoPtr(hwnd) ((HEADER_INFO *)GetWindowLongPtrW(hwnd,0))
96
97
98 inline static LRESULT
99 HEADER_IndexToOrder (HWND hwnd, INT iItem)
100 {
101 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
102 HEADER_ITEM *lpItem = &infoPtr->items[iItem];
103 return lpItem->iOrder;
104 }
105
106
107 static INT
108 HEADER_OrderToIndex(HWND hwnd, WPARAM wParam)
109 {
110 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
111 INT iorder = (INT)wParam;
112 UINT i;
113
114 if ((iorder <0) || iorder >infoPtr->uNumItem)
115 return iorder;
116 for (i=0; i<infoPtr->uNumItem; i++)
117 if (HEADER_IndexToOrder(hwnd,i) == iorder)
118 return i;
119 return iorder;
120 }
121
122 static void
123 HEADER_SetItemBounds (HWND hwnd)
124 {
125 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
126 HEADER_ITEM *phdi;
127 RECT rect;
128 unsigned int i;
129 int x;
130
131 infoPtr->bRectsValid = TRUE;
132
133 if (infoPtr->uNumItem == 0)
134 return;
135
136 GetClientRect (hwnd, &rect);
137
138 x = rect.left;
139 for (i = 0; i < infoPtr->uNumItem; i++) {
140 phdi = &infoPtr->items[HEADER_OrderToIndex(hwnd,i)];
141 phdi->rect.top = rect.top;
142 phdi->rect.bottom = rect.bottom;
143 phdi->rect.left = x;
144 phdi->rect.right = phdi->rect.left + ((phdi->cxy>0)?phdi->cxy:0);
145 x = phdi->rect.right;
146 }
147 }
148
149 static LRESULT
150 HEADER_Size (HWND hwnd, WPARAM wParam)
151 {
152 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
153
154 infoPtr->bRectsValid = FALSE;
155
156 return 0;
157 }
158
159
160 static INT
161 HEADER_DrawItem (HWND hwnd, HDC hdc, INT iItem, BOOL bHotTrack)
162 {
163 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
164 HEADER_ITEM *phdi = &infoPtr->items[iItem];
165 RECT r;
166 INT oldBkMode;
167
168 TRACE("DrawItem(iItem %d bHotTrack %d unicode flag %d)\n", iItem, bHotTrack, infoPtr->bUnicode);
169
170 if (!infoPtr->bRectsValid)
171 HEADER_SetItemBounds(hwnd);
172
173 r = phdi->rect;
174 if (r.right - r.left == 0)
175 return phdi->rect.right;
176
177 if (GetWindowLongA (hwnd, GWL_STYLE) & HDS_BUTTONS) {
178 if (phdi->bDown) {
179 DrawEdge (hdc, &r, BDR_RAISEDOUTER,
180 BF_RECT | BF_FLAT | BF_MIDDLE | BF_ADJUST);
181 r.left += 2;
182 r.top += 2;
183 }
184 else
185 DrawEdge (hdc, &r, EDGE_RAISED,
186 BF_RECT | BF_SOFT | BF_MIDDLE | BF_ADJUST);
187 }
188 else
189 DrawEdge (hdc, &r, EDGE_ETCHED, BF_BOTTOM | BF_RIGHT | BF_ADJUST);
190
191 if (phdi->fmt & HDF_OWNERDRAW) {
192 DRAWITEMSTRUCT dis;
193 dis.CtlType = ODT_HEADER;
194 dis.CtlID = GetWindowLongPtrW (hwnd, GWLP_ID);
195 dis.itemID = iItem;
196 dis.itemAction = ODA_DRAWENTIRE;
197 dis.itemState = phdi->bDown ? ODS_SELECTED : 0;
198 dis.hwndItem = hwnd;
199 dis.hDC = hdc;
200 dis.rcItem = r;
201 dis.itemData = phdi->lParam;
202 oldBkMode = SetBkMode(hdc, TRANSPARENT);
203 SendMessageA (infoPtr->hwndNotify, WM_DRAWITEM,
204 (WPARAM)dis.CtlID, (LPARAM)&dis);
205 if (oldBkMode != TRANSPARENT)
206 SetBkMode(hdc, oldBkMode);
207 }
208 else {
209 UINT uTextJustify = DT_LEFT;
210
211 if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_CENTER)
212 uTextJustify = DT_CENTER;
213 else if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_RIGHT)
214 uTextJustify = DT_RIGHT;
215
216 if ((phdi->fmt & HDF_BITMAP) && !(phdi->fmt & HDF_BITMAP_ON_RIGHT) && (phdi->hbm)) {
217 BITMAP bmp;
218 HDC hdcBitmap;
219 INT yD, yS, cx, cy, rx, ry;
220
221 GetObjectA (phdi->hbm, sizeof(BITMAP), (LPVOID)&bmp);
222
223 ry = r.bottom - r.top;
224 rx = r.right - r.left;
225
226 if (ry >= bmp.bmHeight) {
227 cy = bmp.bmHeight;
228 yD = r.top + (ry - bmp.bmHeight) / 2;
229 yS = 0;
230 }
231 else {
232 cy = ry;
233 yD = r.top;
234 yS = (bmp.bmHeight - ry) / 2;
235
236 }
237
238 if (rx >= bmp.bmWidth + infoPtr->iMargin) {
239 cx = bmp.bmWidth;
240 }
241 else {
242 cx = rx - infoPtr->iMargin;
243 }
244
245 hdcBitmap = CreateCompatibleDC (hdc);
246 SelectObject (hdcBitmap, phdi->hbm);
247 BitBlt (hdc, r.left + infoPtr->iMargin, yD, cx, cy, hdcBitmap, 0, yS, SRCCOPY);
248 DeleteDC (hdcBitmap);
249
250 r.left += (bmp.bmWidth + infoPtr->iMargin);
251 }
252
253
254 if ((phdi->fmt & HDF_BITMAP) && (phdi->fmt & HDF_BITMAP_ON_RIGHT) && (phdi->hbm)) {
255 BITMAP bmp;
256 HDC hdcBitmap;
257 INT xD, yD, yS, cx, cy, rx, ry, tx;
258 RECT textRect;
259
260 GetObjectA (phdi->hbm, sizeof(BITMAP), (LPVOID)&bmp);
261
262 textRect = r;
263 if (phdi->fmt & HDF_STRING) {
264 DrawTextW (hdc, phdi->pszText, -1,
265 &textRect, DT_LEFT|DT_VCENTER|DT_SINGLELINE|DT_CALCRECT);
266 tx = textRect.right - textRect.left;
267 }
268 else
269 tx = 0;
270 ry = r.bottom - r.top;
271 rx = r.right - r.left;
272
273 if (ry >= bmp.bmHeight) {
274 cy = bmp.bmHeight;
275 yD = r.top + (ry - bmp.bmHeight) / 2;
276 yS = 0;
277 }
278 else {
279 cy = ry;
280 yD = r.top;
281 yS = (bmp.bmHeight - ry) / 2;
282
283 }
284
285 if (r.left + tx + bmp.bmWidth + 2*infoPtr->iMargin <= r.right) {
286 cx = bmp.bmWidth;
287 xD = r.left + tx + infoPtr->iMargin;
288 }
289 else {
290 if (rx >= bmp.bmWidth + infoPtr->iMargin ) {
291 cx = bmp.bmWidth;
292 xD = r.right - bmp.bmWidth - infoPtr->iMargin;
293 r.right = xD - infoPtr->iMargin;
294 }
295 else {
296 cx = rx - infoPtr->iMargin;
297 xD = r.left;
298 r.right = r.left;
299 }
300 }
301
302 hdcBitmap = CreateCompatibleDC (hdc);
303 SelectObject (hdcBitmap, phdi->hbm);
304 BitBlt (hdc, xD, yD, cx, cy, hdcBitmap, 0, yS, SRCCOPY);
305 DeleteDC (hdcBitmap);
306 }
307
308 if ((phdi->fmt & HDF_IMAGE) && !(phdi->fmt & HDF_BITMAP_ON_RIGHT) && (infoPtr->himl)) {
309 r.left += infoPtr->iMargin;
310 ImageList_DrawEx(infoPtr->himl, phdi->iImage, hdc, r.left, r.top + (r.bottom-r.top- infoPtr->himl->cy)/2,
311 infoPtr->himl->cx, r.bottom-r.top, CLR_DEFAULT, CLR_DEFAULT, 0);
312 r.left += infoPtr->himl->cx;
313 }
314
315 if ((phdi->fmt & HDF_IMAGE) && (phdi->fmt & HDF_BITMAP_ON_RIGHT) && (infoPtr->himl)) {
316 RECT textRect;
317 INT tx;
318
319 textRect = r;
320 if (phdi->fmt & HDF_STRING) {
321 DrawTextW (hdc, phdi->pszText, -1,
322 &textRect, DT_LEFT|DT_VCENTER|DT_SINGLELINE|DT_CALCRECT);
323 tx = textRect.right - textRect.left;
324 }
325 else
326 tx = 0;
327 ImageList_DrawEx(infoPtr->himl, phdi->iImage, hdc, r.left + tx + 2*infoPtr->iMargin,
328 r.top + (r.bottom-r.top-infoPtr->himl->cy)/2, infoPtr->himl->cx, r.bottom-r.top,
329 CLR_DEFAULT, CLR_DEFAULT, 0);
330 }
331
332 if (((phdi->fmt & HDF_STRING)
333 || (!(phdi->fmt & (HDF_OWNERDRAW|HDF_STRING|HDF_BITMAP|
334 HDF_BITMAP_ON_RIGHT|HDF_IMAGE)))) /* no explicit format specified? */
335 && (phdi->pszText)) {
336 oldBkMode = SetBkMode(hdc, TRANSPARENT);
337 r.left += infoPtr->iMargin;
338 r.right -= infoPtr->iMargin;
339 SetTextColor (hdc, (bHotTrack) ? COLOR_HIGHLIGHT : COLOR_BTNTEXT);
340 DrawTextW (hdc, phdi->pszText, -1,
341 &r, uTextJustify|DT_END_ELLIPSIS|DT_VCENTER|DT_SINGLELINE);
342 if (oldBkMode != TRANSPARENT)
343 SetBkMode(hdc, oldBkMode);
344 }
345 }/*Ownerdrawn*/
346
347 return phdi->rect.right;
348 }
349
350
351 static void
352 HEADER_Refresh (HWND hwnd, HDC hdc)
353 {
354 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
355 HFONT hFont, hOldFont;
356 RECT rect;
357 HBRUSH hbrBk;
358 UINT i;
359 INT x;
360
361 /* get rect for the bar, adjusted for the border */
362 GetClientRect (hwnd, &rect);
363
364 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT);
365 hOldFont = SelectObject (hdc, hFont);
366
367 /* draw Background */
368 hbrBk = GetSysColorBrush(COLOR_3DFACE);
369 FillRect(hdc, &rect, hbrBk);
370
371 x = rect.left;
372 for (i = 0; i < infoPtr->uNumItem; i++) {
373 x = HEADER_DrawItem (hwnd, hdc, HEADER_OrderToIndex(hwnd,i), FALSE);
374 }
375
376 if ((x <= rect.right) && (infoPtr->uNumItem > 0)) {
377 rect.left = x;
378 if (GetWindowLongA (hwnd, GWL_STYLE) & HDS_BUTTONS)
379 DrawEdge (hdc, &rect, EDGE_RAISED, BF_TOP|BF_LEFT|BF_BOTTOM|BF_SOFT);
380 else
381 DrawEdge (hdc, &rect, EDGE_ETCHED, BF_BOTTOM);
382 }
383
384 SelectObject (hdc, hOldFont);
385 }
386
387
388 static void
389 HEADER_RefreshItem (HWND hwnd, HDC hdc, INT iItem)
390 {
391 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
392 HFONT hFont, hOldFont;
393
394 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT);
395 hOldFont = SelectObject (hdc, hFont);
396 HEADER_DrawItem (hwnd, hdc, iItem, FALSE);
397 SelectObject (hdc, hOldFont);
398 }
399
400
401 static void
402 HEADER_InternalHitTest (HWND hwnd, LPPOINT lpPt, UINT *pFlags, INT *pItem)
403 {
404 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
405 RECT rect, rcTest;
406 UINT iCount;
407 INT width;
408 BOOL bNoWidth;
409
410 GetClientRect (hwnd, &rect);
411
412 *pFlags = 0;
413 bNoWidth = FALSE;
414 if (PtInRect (&rect, *lpPt))
415 {
416 if (infoPtr->uNumItem == 0) {
417 *pFlags |= HHT_NOWHERE;
418 *pItem = 1;
419 TRACE("NOWHERE\n");
420 return;
421 }
422 else {
423 /* somewhere inside */
424 for (iCount = 0; iCount < infoPtr->uNumItem; iCount++) {
425 rect = infoPtr->items[iCount].rect;
426 width = rect.right - rect.left;
427 if (width == 0) {
428 bNoWidth = TRUE;
429 continue;
430 }
431 if (PtInRect (&rect, *lpPt)) {
432 if (width <= 2 * DIVIDER_WIDTH) {
433 *pFlags |= HHT_ONHEADER;
434 *pItem = iCount;
435 TRACE("ON HEADER %d\n", iCount);
436 return;
437 }
438 if (iCount > 0) {
439 rcTest = rect;
440 rcTest.right = rcTest.left + DIVIDER_WIDTH;
441 if (PtInRect (&rcTest, *lpPt)) {
442 if (bNoWidth) {
443 *pFlags |= HHT_ONDIVOPEN;
444 *pItem = iCount - 1;
445 TRACE("ON DIVOPEN %d\n", *pItem);
446 return;
447 }
448 else {
449 *pFlags |= HHT_ONDIVIDER;
450 *pItem = iCount - 1;
451 TRACE("ON DIVIDER %d\n", *pItem);
452 return;
453 }
454 }
455 }
456 rcTest = rect;
457 rcTest.left = rcTest.right - DIVIDER_WIDTH;
458 if (PtInRect (&rcTest, *lpPt)) {
459 *pFlags |= HHT_ONDIVIDER;
460 *pItem = iCount;
461 TRACE("ON DIVIDER %d\n", *pItem);
462 return;
463 }
464
465 *pFlags |= HHT_ONHEADER;
466 *pItem = iCount;
467 TRACE("ON HEADER %d\n", iCount);
468 return;
469 }
470 }
471
472 /* check for last divider part (on nowhere) */
473 rect = infoPtr->items[infoPtr->uNumItem-1].rect;
474 rect.left = rect.right;
475 rect.right += DIVIDER_WIDTH;
476 if (PtInRect (&rect, *lpPt)) {
477 if (bNoWidth) {
478 *pFlags |= HHT_ONDIVOPEN;
479 *pItem = infoPtr->uNumItem - 1;
480 TRACE("ON DIVOPEN %d\n", *pItem);
481 return;
482 }
483 else {
484 *pFlags |= HHT_ONDIVIDER;
485 *pItem = infoPtr->uNumItem-1;
486 TRACE("ON DIVIDER %d\n", *pItem);
487 return;
488 }
489 }
490
491 *pFlags |= HHT_NOWHERE;
492 *pItem = 1;
493 TRACE("NOWHERE\n");
494 return;
495 }
496 }
497 else {
498 if (lpPt->x < rect.left) {
499 TRACE("TO LEFT\n");
500 *pFlags |= HHT_TOLEFT;
501 }
502 else if (lpPt->x > rect.right) {
503 TRACE("TO RIGHT\n");
504 *pFlags |= HHT_TORIGHT;
505 }
506
507 if (lpPt->y < rect.top) {
508 TRACE("ABOVE\n");
509 *pFlags |= HHT_ABOVE;
510 }
511 else if (lpPt->y > rect.bottom) {
512 TRACE("BELOW\n");
513 *pFlags |= HHT_BELOW;
514 }
515 }
516
517 *pItem = 1;
518 TRACE("flags=0x%X\n", *pFlags);
519 return;
520 }
521
522
523 static void
524 HEADER_DrawTrackLine (HWND hwnd, HDC hdc, INT x)
525 {
526 RECT rect;
527 HPEN hOldPen;
528 INT oldRop;
529
530 GetClientRect (hwnd, &rect);
531
532 hOldPen = SelectObject (hdc, GetStockObject (BLACK_PEN));
533 oldRop = SetROP2 (hdc, R2_XORPEN);
534 MoveToEx (hdc, x, rect.top, NULL);
535 LineTo (hdc, x, rect.bottom);
536 SetROP2 (hdc, oldRop);
537 SelectObject (hdc, hOldPen);
538 }
539
540
541 static BOOL
542 HEADER_SendSimpleNotify (HWND hwnd, UINT code)
543 {
544 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
545 NMHDR nmhdr;
546
547 nmhdr.hwndFrom = hwnd;
548 nmhdr.idFrom = GetWindowLongPtrW (hwnd, GWLP_ID);
549 nmhdr.code = code;
550
551 return (BOOL)SendMessageA (infoPtr->hwndNotify, WM_NOTIFY,
552 (WPARAM)nmhdr.idFrom, (LPARAM)&nmhdr);
553 }
554
555 static BOOL
556 HEADER_SendHeaderNotify (HWND hwnd, UINT code, INT iItem, INT mask)
557 {
558 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
559 NMHEADERA nmhdr;
560 HDITEMA nmitem;
561
562 nmhdr.hdr.hwndFrom = hwnd;
563 nmhdr.hdr.idFrom = GetWindowLongPtrW (hwnd, GWLP_ID);
564 nmhdr.hdr.code = code;
565 nmhdr.iItem = iItem;
566 nmhdr.iButton = 0;
567 nmhdr.pitem = &nmitem;
568 nmitem.mask = mask;
569 nmitem.cxy = infoPtr->items[iItem].cxy;
570 nmitem.hbm = infoPtr->items[iItem].hbm;
571 nmitem.pszText = NULL;
572 nmitem.cchTextMax = 0;
573 /* nmitem.pszText = infoPtr->items[iItem].pszText; */
574 /* nmitem.cchTextMax = infoPtr->items[iItem].cchTextMax; */
575 nmitem.fmt = infoPtr->items[iItem].fmt;
576 nmitem.lParam = infoPtr->items[iItem].lParam;
577 nmitem.iOrder = infoPtr->items[iItem].iOrder;
578 nmitem.iImage = infoPtr->items[iItem].iImage;
579
580 return (BOOL)SendMessageA (infoPtr->hwndNotify, WM_NOTIFY,
581 (WPARAM)nmhdr.hdr.idFrom, (LPARAM)&nmhdr);
582 }
583
584
585 static BOOL
586 HEADER_SendClickNotify (HWND hwnd, UINT code, INT iItem)
587 {
588 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
589 NMHEADERA nmhdr;
590
591 nmhdr.hdr.hwndFrom = hwnd;
592 nmhdr.hdr.idFrom = GetWindowLongPtrW (hwnd, GWLP_ID);
593 nmhdr.hdr.code = code;
594 nmhdr.iItem = iItem;
595 nmhdr.iButton = 0;
596 nmhdr.pitem = NULL;
597
598 return (BOOL)SendMessageA (infoPtr->hwndNotify, WM_NOTIFY,
599 (WPARAM)nmhdr.hdr.idFrom, (LPARAM)&nmhdr);
600 }
601
602
603 static LRESULT
604 HEADER_CreateDragImage (HWND hwnd, WPARAM wParam)
605 {
606 FIXME("empty stub!\n");
607 return 0;
608 }
609
610
611 static LRESULT
612 HEADER_DeleteItem (HWND hwnd, WPARAM wParam)
613 {
614 HEADER_INFO *infoPtr = HEADER_GetInfoPtr(hwnd);
615 INT iItem = (INT)wParam;
616
617 TRACE("[iItem=%d]\n", iItem);
618
619 if ((iItem < 0) || (iItem >= (INT)infoPtr->uNumItem))
620 return FALSE;
621
622 if (infoPtr->uNumItem == 1) {
623 TRACE("Simple delete!\n");
624 if (infoPtr->items[0].pszText)
625 Free (infoPtr->items[0].pszText);
626 Free (infoPtr->items);
627 infoPtr->items = 0;
628 infoPtr->uNumItem = 0;
629 }
630 else {
631 HEADER_ITEM *oldItems = infoPtr->items;
632 HEADER_ITEM *pItem;
633 INT i;
634 INT iOrder;
635 TRACE("Complex delete! [iItem=%d]\n", iItem);
636
637 if (infoPtr->items[iItem].pszText)
638 Free (infoPtr->items[iItem].pszText);
639 iOrder = infoPtr->items[iItem].iOrder;
640
641 infoPtr->uNumItem--;
642 infoPtr->items = Alloc (sizeof (HEADER_ITEM) * infoPtr->uNumItem);
643 /* pre delete copy */
644 if (iItem > 0) {
645 memcpy (&infoPtr->items[0], &oldItems[0],
646 iItem * sizeof(HEADER_ITEM));
647 }
648
649 /* post delete copy */
650 if (iItem < infoPtr->uNumItem) {
651 memcpy (&infoPtr->items[iItem], &oldItems[iItem+1],
652 (infoPtr->uNumItem - iItem) * sizeof(HEADER_ITEM));
653 }
654
655 /* Correct the orders */
656 for (i=infoPtr->uNumItem, pItem = infoPtr->items; i; i--, pItem++)
657 {
658 if (pItem->iOrder > iOrder)
659 pItem->iOrder--;
660 }
661 Free (oldItems);
662 }
663
664 HEADER_SetItemBounds (hwnd);
665
666 InvalidateRect(hwnd, NULL, FALSE);
667
668 return TRUE;
669 }
670
671
672 static LRESULT
673 HEADER_GetImageList (HWND hwnd)
674 {
675 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
676
677 return (LRESULT)infoPtr->himl;
678 }
679
680
681 static LRESULT
682 HEADER_GetItemA (HWND hwnd, WPARAM wParam, LPARAM lParam)
683 {
684 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
685 HDITEMA *phdi = (HDITEMA*)lParam;
686 INT nItem = (INT)wParam;
687 HEADER_ITEM *lpItem;
688
689 if (!phdi)
690 return FALSE;
691 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
692 return FALSE;
693
694 TRACE("[nItem=%d]\n", nItem);
695
696 if (phdi->mask == 0)
697 return TRUE;
698
699 lpItem = &infoPtr->items[nItem];
700 if (phdi->mask & HDI_BITMAP)
701 phdi->hbm = lpItem->hbm;
702
703 if (phdi->mask & HDI_FORMAT)
704 phdi->fmt = lpItem->fmt;
705
706 if (phdi->mask & HDI_WIDTH)
707 phdi->cxy = lpItem->cxy;
708
709 if (phdi->mask & HDI_LPARAM)
710 phdi->lParam = lpItem->lParam;
711
712 if (phdi->mask & HDI_TEXT) {
713 if (lpItem->pszText != LPSTR_TEXTCALLBACKW) {
714 if (lpItem->pszText)
715 WideCharToMultiByte (CP_ACP, 0, lpItem->pszText, -1,
716 phdi->pszText, phdi->cchTextMax, NULL, NULL);
717 else
718 *phdi->pszText = 0;
719 }
720 else
721 phdi->pszText = LPSTR_TEXTCALLBACKA;
722 }
723
724 if (phdi->mask & HDI_IMAGE)
725 phdi->iImage = lpItem->iImage;
726
727 if (phdi->mask & HDI_ORDER)
728 phdi->iOrder = lpItem->iOrder;
729
730 return TRUE;
731 }
732
733
734 static LRESULT
735 HEADER_GetItemW (HWND hwnd, WPARAM wParam, LPARAM lParam)
736 {
737 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
738 HDITEMW *phdi = (HDITEMW*)lParam;
739 INT nItem = (INT)wParam;
740 HEADER_ITEM *lpItem;
741
742 if (!phdi)
743 return FALSE;
744 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
745 return FALSE;
746
747 TRACE("[nItem=%d]\n", nItem);
748
749 if (phdi->mask == 0)
750 return TRUE;
751
752 lpItem = &infoPtr->items[nItem];
753 if (phdi->mask & HDI_BITMAP)
754 phdi->hbm = lpItem->hbm;
755
756 if (phdi->mask & HDI_FORMAT)
757 phdi->fmt = lpItem->fmt;
758
759 if (phdi->mask & HDI_WIDTH)
760 phdi->cxy = lpItem->cxy;
761
762 if (phdi->mask & HDI_LPARAM)
763 phdi->lParam = lpItem->lParam;
764
765 if (phdi->mask & HDI_TEXT) {
766 if (lpItem->pszText != LPSTR_TEXTCALLBACKW) {
767 if (lpItem->pszText)
768 lstrcpynW (phdi->pszText, lpItem->pszText, phdi->cchTextMax);
769 else
770 *phdi->pszText = 0;
771 }
772 else
773 phdi->pszText = LPSTR_TEXTCALLBACKW;
774 }
775
776 if (phdi->mask & HDI_IMAGE)
777 phdi->iImage = lpItem->iImage;
778
779 if (phdi->mask & HDI_ORDER)
780 phdi->iOrder = lpItem->iOrder;
781
782 return TRUE;
783 }
784
785
786 inline static LRESULT
787 HEADER_GetItemCount (HWND hwnd)
788 {
789 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
790 return infoPtr->uNumItem;
791 }
792
793
794 static LRESULT
795 HEADER_GetItemRect (HWND hwnd, WPARAM wParam, LPARAM lParam)
796 {
797 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
798 INT iItem = (INT)wParam;
799 LPRECT lpRect = (LPRECT)lParam;
800
801 if ((iItem < 0) || (iItem >= (INT)infoPtr->uNumItem))
802 return FALSE;
803
804 lpRect->left = infoPtr->items[iItem].rect.left;
805 lpRect->right = infoPtr->items[iItem].rect.right;
806 lpRect->top = infoPtr->items[iItem].rect.top;
807 lpRect->bottom = infoPtr->items[iItem].rect.bottom;
808
809 return TRUE;
810 }
811
812
813 static LRESULT
814 HEADER_GetOrderArray(HWND hwnd, WPARAM wParam, LPARAM lParam)
815 {
816 int i;
817 LPINT order = (LPINT) lParam;
818 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
819
820 if ((unsigned int)wParam <infoPtr->uNumItem)
821 return FALSE;
822 for (i=0; i<(int)wParam; i++)
823 *order++=HEADER_OrderToIndex(hwnd,i);
824 return TRUE;
825 }
826
827 static LRESULT
828 HEADER_SetOrderArray(HWND hwnd, WPARAM wParam, LPARAM lParam)
829 {
830 int i;
831 LPINT order = (LPINT) lParam;
832 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
833 HEADER_ITEM *lpItem;
834
835 if ((unsigned int)wParam <infoPtr->uNumItem)
836 return FALSE;
837 for (i=0; i<(int)wParam; i++)
838 {
839 lpItem = &infoPtr->items[*order++];
840 lpItem->iOrder=i;
841 }
842 infoPtr->bRectsValid=0;
843 InvalidateRect(hwnd, NULL, FALSE);
844 return TRUE;
845 }
846
847 inline static LRESULT
848 HEADER_GetUnicodeFormat (HWND hwnd)
849 {
850 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
851 return infoPtr->bUnicode;
852 }
853
854
855 static LRESULT
856 HEADER_HitTest (HWND hwnd, WPARAM wParam, LPARAM lParam)
857 {
858 LPHDHITTESTINFO phti = (LPHDHITTESTINFO)lParam;
859
860 HEADER_InternalHitTest (hwnd, &phti->pt, &phti->flags, &phti->iItem);
861
862 if (phti->flags == HHT_ONHEADER)
863 return phti->iItem;
864 else
865 return -1;
866 }
867
868
869 static LRESULT
870 HEADER_InsertItemA (HWND hwnd, WPARAM wParam, LPARAM lParam)
871 {
872 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
873 HDITEMA *phdi = (HDITEMA*)lParam;
874 INT nItem = (INT)wParam;
875 HEADER_ITEM *lpItem;
876 INT len, iOrder;
877 UINT i;
878
879 if ((phdi == NULL) || (nItem < 0))
880 return -1;
881
882 if (nItem > infoPtr->uNumItem)
883 nItem = infoPtr->uNumItem;
884
885 iOrder = (phdi->mask & HDI_ORDER) ? phdi->iOrder : nItem;
886
887 if (infoPtr->uNumItem == 0) {
888 infoPtr->items = Alloc (sizeof (HEADER_ITEM));
889 infoPtr->uNumItem++;
890 }
891 else {
892 HEADER_ITEM *oldItems = infoPtr->items;
893
894 infoPtr->uNumItem++;
895 infoPtr->items = Alloc (sizeof (HEADER_ITEM) * infoPtr->uNumItem);
896 if (nItem == 0) {
897 memcpy (&infoPtr->items[1], &oldItems[0],
898 (infoPtr->uNumItem-1) * sizeof(HEADER_ITEM));
899 }
900 else
901 {
902 /* pre insert copy */
903 if (nItem > 0) {
904 memcpy (&infoPtr->items[0], &oldItems[0],
905 nItem * sizeof(HEADER_ITEM));
906 }
907
908 /* post insert copy */
909 if (nItem < infoPtr->uNumItem - 1) {
910 memcpy (&infoPtr->items[nItem+1], &oldItems[nItem],
911 (infoPtr->uNumItem - nItem - 1) * sizeof(HEADER_ITEM));
912 }
913 }
914
915 Free (oldItems);
916 }
917
918 for (i=0; i < infoPtr->uNumItem; i++)
919 {
920 if (infoPtr->items[i].iOrder >= iOrder)
921 infoPtr->items[i].iOrder++;
922 }
923
924 lpItem = &infoPtr->items[nItem];
925 lpItem->bDown = FALSE;
926
927 if (phdi->mask & HDI_WIDTH)
928 lpItem->cxy = phdi->cxy;
929
930 if (phdi->mask & HDI_TEXT) {
931 if (!phdi->pszText) /* null pointer check */
932 phdi->pszText = "";
933 if (phdi->pszText != LPSTR_TEXTCALLBACKA) {
934 len = MultiByteToWideChar(CP_ACP, 0, phdi->pszText, -1, NULL, 0);
935 lpItem->pszText = Alloc( len*sizeof(WCHAR) );
936 MultiByteToWideChar(CP_ACP, 0, phdi->pszText, -1, lpItem->pszText, len);
937 }
938 else
939 lpItem->pszText = LPSTR_TEXTCALLBACKW;
940 }
941
942 if (phdi->mask & HDI_FORMAT)
943 lpItem->fmt = phdi->fmt;
944
945 if (lpItem->fmt == 0)
946 lpItem->fmt = HDF_LEFT;
947
948 if (!(lpItem->fmt & HDF_STRING) && (phdi->mask & HDI_TEXT))
949 {
950 lpItem->fmt |= HDF_STRING;
951 }
952 if (phdi->mask & HDI_BITMAP)
953 lpItem->hbm = phdi->hbm;
954
955 if (phdi->mask & HDI_LPARAM)
956 lpItem->lParam = phdi->lParam;
957
958 if (phdi->mask & HDI_IMAGE)
959 lpItem->iImage = phdi->iImage;
960
961 lpItem->iOrder = iOrder;
962
963 HEADER_SetItemBounds (hwnd);
964
965 InvalidateRect(hwnd, NULL, FALSE);
966
967 return nItem;
968 }
969
970
971 static LRESULT
972 HEADER_InsertItemW (HWND hwnd, WPARAM wParam, LPARAM lParam)
973 {
974 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
975 HDITEMW *phdi = (HDITEMW*)lParam;
976 INT nItem = (INT)wParam;
977 HEADER_ITEM *lpItem;
978 INT len, iOrder;
979 UINT i;
980
981 if ((phdi == NULL) || (nItem < 0))
982 return -1;
983
984 if (nItem > infoPtr->uNumItem)
985 nItem = infoPtr->uNumItem;
986
987 iOrder = (phdi->mask & HDI_ORDER) ? phdi->iOrder : nItem;
988
989 if (infoPtr->uNumItem == 0) {
990 infoPtr->items = Alloc (sizeof (HEADER_ITEM));
991 infoPtr->uNumItem++;
992 }
993 else {
994 HEADER_ITEM *oldItems = infoPtr->items;
995
996 infoPtr->uNumItem++;
997 infoPtr->items = Alloc (sizeof (HEADER_ITEM) * infoPtr->uNumItem);
998 if (nItem == 0) {
999 memcpy (&infoPtr->items[1], &oldItems[0],
1000 (infoPtr->uNumItem-1) * sizeof(HEADER_ITEM));
1001 }
1002 else
1003 {
1004 /* pre insert copy */
1005 if (nItem > 0) {
1006 memcpy (&infoPtr->items[0], &oldItems[0],
1007 nItem * sizeof(HEADER_ITEM));
1008 }
1009
1010 /* post insert copy */
1011 if (nItem < infoPtr->uNumItem - 1) {
1012 memcpy (&infoPtr->items[nItem+1], &oldItems[nItem],
1013 (infoPtr->uNumItem - nItem - 1) * sizeof(HEADER_ITEM));
1014 }
1015 }
1016
1017 Free (oldItems);
1018 }
1019
1020 for (i=0; i < infoPtr->uNumItem; i++)
1021 {
1022 if (infoPtr->items[i].iOrder >= iOrder)
1023 infoPtr->items[i].iOrder++;
1024 }
1025
1026 lpItem = &infoPtr->items[nItem];
1027 lpItem->bDown = FALSE;
1028
1029 if (phdi->mask & HDI_WIDTH)
1030 lpItem->cxy = phdi->cxy;
1031
1032 if (phdi->mask & HDI_TEXT) {
1033 WCHAR wide_null_char = 0;
1034 if (!phdi->pszText) /* null pointer check */
1035 phdi->pszText = &wide_null_char;
1036 if (phdi->pszText != LPSTR_TEXTCALLBACKW) {
1037 len = strlenW (phdi->pszText);
1038 lpItem->pszText = Alloc ((len+1)*sizeof(WCHAR));
1039 strcpyW (lpItem->pszText, phdi->pszText);
1040 }
1041 else
1042 lpItem->pszText = LPSTR_TEXTCALLBACKW;
1043 }
1044
1045 if (phdi->mask & HDI_FORMAT)
1046 lpItem->fmt = phdi->fmt;
1047
1048 if (lpItem->fmt == 0)
1049 lpItem->fmt = HDF_LEFT;
1050
1051 if (!(lpItem->fmt &HDF_STRING) && (phdi->mask & HDI_TEXT))
1052 {
1053 lpItem->fmt |= HDF_STRING;
1054 }
1055 if (phdi->mask & HDI_BITMAP)
1056 lpItem->hbm = phdi->hbm;
1057
1058 if (phdi->mask & HDI_LPARAM)
1059 lpItem->lParam = phdi->lParam;
1060
1061 if (phdi->mask & HDI_IMAGE)
1062 lpItem->iImage = phdi->iImage;
1063
1064 lpItem->iOrder = iOrder;
1065
1066 HEADER_SetItemBounds (hwnd);
1067
1068 InvalidateRect(hwnd, NULL, FALSE);
1069
1070 return nItem;
1071 }
1072
1073
1074 static LRESULT
1075 HEADER_Layout (HWND hwnd, WPARAM wParam, LPARAM lParam)
1076 {
1077 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1078 LPHDLAYOUT lpLayout = (LPHDLAYOUT)lParam;
1079
1080 lpLayout->pwpos->hwnd = hwnd;
1081 lpLayout->pwpos->hwndInsertAfter = 0;
1082 lpLayout->pwpos->x = lpLayout->prc->left;
1083 lpLayout->pwpos->y = lpLayout->prc->top;
1084 lpLayout->pwpos->cx = lpLayout->prc->right - lpLayout->prc->left;
1085 if (GetWindowLongA (hwnd, GWL_STYLE) & HDS_HIDDEN)
1086 lpLayout->pwpos->cy = 0;
1087 else {
1088 lpLayout->pwpos->cy = infoPtr->nHeight;
1089 lpLayout->prc->top += infoPtr->nHeight;
1090 }
1091 lpLayout->pwpos->flags = SWP_NOZORDER;
1092
1093 TRACE("Layout x=%d y=%d cx=%d cy=%d\n",
1094 lpLayout->pwpos->x, lpLayout->pwpos->y,
1095 lpLayout->pwpos->cx, lpLayout->pwpos->cy);
1096
1097 infoPtr->bRectsValid = FALSE;
1098
1099 return TRUE;
1100 }
1101
1102
1103 static LRESULT
1104 HEADER_SetImageList (HWND hwnd, HIMAGELIST himl)
1105 {
1106 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1107 HIMAGELIST himlOld;
1108
1109 TRACE("(himl 0x%x)\n", (int)himl);
1110 himlOld = infoPtr->himl;
1111 infoPtr->himl = himl;
1112
1113 /* FIXME: Refresh needed??? */
1114
1115 return (LRESULT)himlOld;
1116 }
1117
1118
1119 static LRESULT
1120 HEADER_GetBitmapMargin(HWND hwnd)
1121 {
1122 HEADER_INFO *infoPtr = HEADER_GetInfoPtr(hwnd);
1123
1124 return infoPtr->iMargin;
1125 }
1126
1127 static LRESULT
1128 HEADER_SetBitmapMargin(HWND hwnd, WPARAM wParam)
1129 {
1130 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1131 INT oldMargin = infoPtr->iMargin;
1132
1133 infoPtr->iMargin = (INT)wParam;
1134
1135 return oldMargin;
1136 }
1137
1138 static LRESULT
1139 HEADER_SetItemA (HWND hwnd, WPARAM wParam, LPARAM lParam)
1140 {
1141 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1142 HDITEMA *phdi = (HDITEMA*)lParam;
1143 INT nItem = (INT)wParam;
1144 HEADER_ITEM *lpItem;
1145
1146 if (phdi == NULL)
1147 return FALSE;
1148 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
1149 return FALSE;
1150
1151 TRACE("[nItem=%d]\n", nItem);
1152
1153 if (HEADER_SendHeaderNotify (hwnd, HDN_ITEMCHANGINGA, nItem, phdi->mask))
1154 return FALSE;
1155
1156 lpItem = &infoPtr->items[nItem];
1157 if (phdi->mask & HDI_BITMAP)
1158 lpItem->hbm = phdi->hbm;
1159
1160 if (phdi->mask & HDI_FORMAT)
1161 lpItem->fmt = phdi->fmt;
1162
1163 if (phdi->mask & HDI_LPARAM)
1164 lpItem->lParam = phdi->lParam;
1165
1166 if (phdi->mask & HDI_TEXT) {
1167 if (phdi->pszText != LPSTR_TEXTCALLBACKA) {
1168 if (lpItem->pszText) {
1169 Free (lpItem->pszText);
1170 lpItem->pszText = NULL;
1171 }
1172 if (phdi->pszText) {
1173 INT len = MultiByteToWideChar (CP_ACP,0,phdi->pszText,-1,NULL,0);
1174 lpItem->pszText = Alloc( len*sizeof(WCHAR) );
1175 MultiByteToWideChar (CP_ACP,0,phdi->pszText,-1,lpItem->pszText,len);
1176 }
1177 }
1178 else
1179 lpItem->pszText = LPSTR_TEXTCALLBACKW;
1180 }
1181
1182 if (phdi->mask & HDI_WIDTH)
1183 lpItem->cxy = phdi->cxy;
1184
1185 if (phdi->mask & HDI_IMAGE)
1186 lpItem->iImage = phdi->iImage;
1187
1188 if (phdi->mask & HDI_ORDER)
1189 {
1190 lpItem->iOrder = phdi->iOrder;
1191 }
1192 else
1193 lpItem->iOrder = nItem;
1194
1195 HEADER_SendHeaderNotify (hwnd, HDN_ITEMCHANGEDA, nItem, phdi->mask);
1196
1197 HEADER_SetItemBounds (hwnd);
1198
1199 InvalidateRect(hwnd, NULL, FALSE);
1200
1201 return TRUE;
1202 }
1203
1204
1205 static LRESULT
1206 HEADER_SetItemW (HWND hwnd, WPARAM wParam, LPARAM lParam)
1207 {
1208 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1209 HDITEMW *phdi = (HDITEMW*)lParam;
1210 INT nItem = (INT)wParam;
1211 HEADER_ITEM *lpItem;
1212
1213 if (phdi == NULL)
1214 return FALSE;
1215 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
1216 return FALSE;
1217
1218 TRACE("[nItem=%d]\n", nItem);
1219
1220 if (HEADER_SendHeaderNotify (hwnd, HDN_ITEMCHANGINGW, nItem, phdi->mask))
1221 return FALSE;
1222
1223 lpItem = &infoPtr->items[nItem];
1224 if (phdi->mask & HDI_BITMAP)
1225 lpItem->hbm = phdi->hbm;
1226
1227 if (phdi->mask & HDI_FORMAT)
1228 lpItem->fmt = phdi->fmt;
1229
1230 if (phdi->mask & HDI_LPARAM)
1231 lpItem->lParam = phdi->lParam;
1232
1233 if (phdi->mask & HDI_TEXT) {
1234 if (phdi->pszText != LPSTR_TEXTCALLBACKW) {
1235 if (lpItem->pszText) {
1236 Free (lpItem->pszText);
1237 lpItem->pszText = NULL;
1238 }
1239 if (phdi->pszText) {
1240 INT len = strlenW (phdi->pszText);
1241 lpItem->pszText = Alloc ((len+1)*sizeof(WCHAR));
1242 strcpyW (lpItem->pszText, phdi->pszText);
1243 }
1244 }
1245 else
1246 lpItem->pszText = LPSTR_TEXTCALLBACKW;
1247 }
1248
1249 if (phdi->mask & HDI_WIDTH)
1250 lpItem->cxy = phdi->cxy;
1251
1252 if (phdi->mask & HDI_IMAGE)
1253 lpItem->iImage = phdi->iImage;
1254
1255 if (phdi->mask & HDI_ORDER)
1256 {
1257 lpItem->iOrder = phdi->iOrder;
1258 }
1259 else
1260 lpItem->iOrder = nItem;
1261
1262 HEADER_SendHeaderNotify(hwnd, HDN_ITEMCHANGEDW, nItem, phdi->mask);
1263
1264 HEADER_SetItemBounds (hwnd);
1265
1266 InvalidateRect(hwnd, NULL, FALSE);
1267
1268 return TRUE;
1269 }
1270
1271 inline static LRESULT
1272 HEADER_SetUnicodeFormat (HWND hwnd, WPARAM wParam)
1273 {
1274 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1275 BOOL bTemp = infoPtr->bUnicode;
1276
1277 infoPtr->bUnicode = (BOOL)wParam;
1278
1279 return bTemp;
1280 }
1281
1282
1283 static LRESULT
1284 HEADER_Create (HWND hwnd, WPARAM wParam, LPARAM lParam)
1285 {
1286 HEADER_INFO *infoPtr;
1287 TEXTMETRICA tm;
1288 HFONT hOldFont;
1289 HDC hdc;
1290
1291 infoPtr = (HEADER_INFO *)Alloc (sizeof(HEADER_INFO));
1292 SetWindowLongPtrA (hwnd, 0, (DWORD_PTR)infoPtr);
1293
1294 infoPtr->hwndNotify = ((LPCREATESTRUCTA)lParam)->hwndParent;
1295 infoPtr->uNumItem = 0;
1296 infoPtr->hFont = 0;
1297 infoPtr->items = 0;
1298 infoPtr->bRectsValid = FALSE;
1299 infoPtr->hcurArrow = LoadCursorA (0, (LPSTR)IDC_ARROW);
1300 infoPtr->hcurDivider = LoadCursorA (COMCTL32_hModule, MAKEINTRESOURCEA(IDC_DIVIDER));
1301 infoPtr->hcurDivopen = LoadCursorA (COMCTL32_hModule, MAKEINTRESOURCEA(IDC_DIVIDEROPEN));
1302 infoPtr->bPressed = FALSE;
1303 infoPtr->bTracking = FALSE;
1304 infoPtr->iMoveItem = 0;
1305 infoPtr->himl = 0;
1306 infoPtr->iHotItem = -1;
1307 infoPtr->bUnicode = IsWindowUnicode (hwnd);
1308 infoPtr->iMargin = 3*GetSystemMetrics(SM_CXEDGE);
1309 infoPtr->nNotifyFormat =
1310 SendMessageA (infoPtr->hwndNotify, WM_NOTIFYFORMAT, (WPARAM)hwnd, NF_QUERY);
1311
1312 hdc = GetDC (0);
1313 hOldFont = SelectObject (hdc, GetStockObject (SYSTEM_FONT));
1314 GetTextMetricsA (hdc, &tm);
1315 infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
1316 SelectObject (hdc, hOldFont);
1317 ReleaseDC (0, hdc);
1318
1319 return 0;
1320 }
1321
1322
1323 static LRESULT
1324 HEADER_Destroy (HWND hwnd, WPARAM wParam, LPARAM lParam)
1325 {
1326 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1327 HEADER_ITEM *lpItem;
1328 INT nItem;
1329
1330 if (infoPtr->items) {
1331 lpItem = infoPtr->items;
1332 for (nItem = 0; nItem < infoPtr->uNumItem; nItem++, lpItem++) {
1333 if ((lpItem->pszText) && (lpItem->pszText != LPSTR_TEXTCALLBACKW))
1334 Free (lpItem->pszText);
1335 }
1336 Free (infoPtr->items);
1337 }
1338
1339 if (infoPtr->himl)
1340 ImageList_Destroy (infoPtr->himl);
1341
1342 Free (infoPtr);
1343 SetWindowLongPtrA (hwnd, 0, 0);
1344 return 0;
1345 }
1346
1347
1348 static inline LRESULT
1349 HEADER_GetFont (HWND hwnd)
1350 {
1351 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1352
1353 return (LRESULT)infoPtr->hFont;
1354 }
1355
1356
1357 static LRESULT
1358 HEADER_LButtonDblClk (HWND hwnd, WPARAM wParam, LPARAM lParam)
1359 {
1360 POINT pt;
1361 UINT flags;
1362 INT nItem;
1363
1364 pt.x = (INT)LOWORD(lParam);
1365 pt.y = (INT)HIWORD(lParam);
1366 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1367
1368 if ((GetWindowLongA (hwnd, GWL_STYLE) & HDS_BUTTONS) && (flags == HHT_ONHEADER))
1369 HEADER_SendHeaderNotify (hwnd, HDN_ITEMDBLCLICKA, nItem,0);
1370 else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN))
1371 HEADER_SendHeaderNotify (hwnd, HDN_DIVIDERDBLCLICKA, nItem,0);
1372
1373 return 0;
1374 }
1375
1376
1377 static LRESULT
1378 HEADER_LButtonDown (HWND hwnd, WPARAM wParam, LPARAM lParam)
1379 {
1380 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1381 DWORD dwStyle = GetWindowLongA (hwnd, GWL_STYLE);
1382 POINT pt;
1383 UINT flags;
1384 INT nItem;
1385 HDC hdc;
1386
1387 pt.x = (INT)LOWORD(lParam);
1388 pt.y = (INT)HIWORD(lParam);
1389 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1390
1391 if ((dwStyle & HDS_BUTTONS) && (flags == HHT_ONHEADER)) {
1392 SetCapture (hwnd);
1393 infoPtr->bCaptured = TRUE;
1394 infoPtr->bPressed = TRUE;
1395 infoPtr->iMoveItem = nItem;
1396
1397 infoPtr->items[nItem].bDown = TRUE;
1398
1399 /* Send WM_CUSTOMDRAW */
1400 hdc = GetDC (hwnd);
1401 HEADER_RefreshItem (hwnd, hdc, nItem);
1402 ReleaseDC (hwnd, hdc);
1403
1404 TRACE("Pressed item %d!\n", nItem);
1405 }
1406 else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN)) {
1407 if (!(HEADER_SendHeaderNotify (hwnd, HDN_BEGINTRACKA, nItem,0))) {
1408 SetCapture (hwnd);
1409 infoPtr->bCaptured = TRUE;
1410 infoPtr->bTracking = TRUE;
1411 infoPtr->iMoveItem = nItem;
1412 infoPtr->nOldWidth = infoPtr->items[nItem].cxy;
1413 infoPtr->xTrackOffset = infoPtr->items[nItem].rect.right - pt.x;
1414
1415 if (!(dwStyle & HDS_FULLDRAG)) {
1416 infoPtr->xOldTrack = infoPtr->items[nItem].rect.right;
1417 hdc = GetDC (hwnd);
1418 HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
1419 ReleaseDC (hwnd, hdc);
1420 }
1421
1422 TRACE("Begin tracking item %d!\n", nItem);
1423 }
1424 }
1425
1426 return 0;
1427 }
1428
1429
1430 static LRESULT
1431 HEADER_LButtonUp (HWND hwnd, WPARAM wParam, LPARAM lParam)
1432 {
1433 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1434 /*
1435 *DWORD dwStyle = GetWindowLongA (hwnd, GWL_STYLE);
1436 */
1437 POINT pt;
1438 UINT flags;
1439 INT nItem, nWidth;
1440 HDC hdc;
1441
1442 pt.x = (INT)(SHORT)LOWORD(lParam);
1443 pt.y = (INT)(SHORT)HIWORD(lParam);
1444 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1445
1446 if (infoPtr->bPressed) {
1447 if ((nItem == infoPtr->iMoveItem) && (flags == HHT_ONHEADER)) {
1448 infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
1449 hdc = GetDC (hwnd);
1450 HEADER_RefreshItem (hwnd, hdc, infoPtr->iMoveItem);
1451 ReleaseDC (hwnd, hdc);
1452
1453 HEADER_SendClickNotify (hwnd, HDN_ITEMCLICKA, infoPtr->iMoveItem);
1454 }
1455 else if (flags == HHT_ONHEADER)
1456 {
1457 HEADER_ITEM *lpItem;
1458 INT newindex = HEADER_IndexToOrder(hwnd,nItem);
1459 INT oldindex = HEADER_IndexToOrder(hwnd,infoPtr->iMoveItem);
1460
1461 TRACE("Exchanging [index:order] [%d:%d] [%d:%d]\n",
1462 infoPtr->iMoveItem,oldindex,nItem,newindex);
1463 lpItem= &infoPtr->items[nItem];
1464 lpItem->iOrder=oldindex;
1465
1466 lpItem= &infoPtr->items[infoPtr->iMoveItem];
1467 lpItem->iOrder = newindex;
1468
1469 infoPtr->bRectsValid = FALSE;
1470 InvalidateRect(hwnd, NULL, FALSE);
1471 /* FIXME: Should some WM_NOTIFY be sent */
1472 }
1473
1474 TRACE("Released item %d!\n", infoPtr->iMoveItem);
1475 infoPtr->bPressed = FALSE;
1476 }
1477 else if (infoPtr->bTracking) {
1478 TRACE("End tracking item %d!\n", infoPtr->iMoveItem);
1479 infoPtr->bTracking = FALSE;
1480
1481 HEADER_SendHeaderNotify (hwnd, HDN_ENDTRACKA, infoPtr->iMoveItem,HDI_WIDTH);
1482
1483 /*
1484 * we want to do this even for HDS_FULLDRAG because this is where
1485 * we send the HDN_ITEMCHANGING and HDN_ITEMCHANGED notifications
1486 *
1487 * if (!(dwStyle & HDS_FULLDRAG)) {
1488 */
1489
1490 hdc = GetDC (hwnd);
1491 HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
1492 ReleaseDC (hwnd, hdc);
1493 if (HEADER_SendHeaderNotify(hwnd, HDN_ITEMCHANGINGA, infoPtr->iMoveItem, HDI_WIDTH))
1494 {
1495 infoPtr->items[infoPtr->iMoveItem].cxy = infoPtr->nOldWidth;
1496 }
1497 else {
1498 nWidth = pt.x - infoPtr->items[infoPtr->iMoveItem].rect.left + infoPtr->xTrackOffset;
1499 if (nWidth < 0)
1500 nWidth = 0;
1501 infoPtr->items[infoPtr->iMoveItem].cxy = nWidth;
1502 }
1503
1504 HEADER_SendHeaderNotify(hwnd, HDN_ITEMCHANGINGA, infoPtr->iMoveItem, HDI_WIDTH);
1505 HEADER_SetItemBounds (hwnd);
1506 InvalidateRect(hwnd, NULL, FALSE);
1507 /*
1508 * }
1509 */
1510 }
1511
1512 if (infoPtr->bCaptured) {
1513 infoPtr->bCaptured = FALSE;
1514 ReleaseCapture ();
1515 HEADER_SendSimpleNotify (hwnd, NM_RELEASEDCAPTURE);
1516 }
1517
1518 return 0;
1519 }
1520
1521
1522 static LRESULT
1523 HEADER_NotifyFormat (HWND hwnd, WPARAM wParam, LPARAM lParam)
1524 {
1525 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1526
1527 switch (lParam)
1528 {
1529 case NF_QUERY:
1530 return infoPtr->nNotifyFormat;
1531
1532 case NF_REQUERY:
1533 infoPtr->nNotifyFormat =
1534 SendMessageA ((HWND)wParam, WM_NOTIFYFORMAT,
1535 (WPARAM)hwnd, (LPARAM)NF_QUERY);
1536 return infoPtr->nNotifyFormat;
1537 }
1538
1539 return 0;
1540 }
1541
1542
1543 static LRESULT
1544 HEADER_MouseMove (HWND hwnd, WPARAM wParam, LPARAM lParam)
1545 {
1546 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1547 DWORD dwStyle = GetWindowLongA (hwnd, GWL_STYLE);
1548 POINT pt;
1549 UINT flags;
1550 INT nItem, nWidth;
1551 HDC hdc;
1552
1553 pt.x = (INT)(SHORT)LOWORD(lParam);
1554 pt.y = (INT)(SHORT)HIWORD(lParam);
1555 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1556
1557 if ((dwStyle & HDS_BUTTONS) && (dwStyle & HDS_HOTTRACK)) {
1558 if (flags & (HHT_ONHEADER | HHT_ONDIVIDER | HHT_ONDIVOPEN))
1559 infoPtr->iHotItem = nItem;
1560 else
1561 infoPtr->iHotItem = -1;
1562 InvalidateRect(hwnd, NULL, FALSE);
1563 }
1564
1565 if (infoPtr->bCaptured) {
1566 if (infoPtr->bPressed) {
1567 if ((nItem == infoPtr->iMoveItem) && (flags == HHT_ONHEADER))
1568 infoPtr->items[infoPtr->iMoveItem].bDown = TRUE;
1569 else
1570 infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
1571 hdc = GetDC (hwnd);
1572 HEADER_RefreshItem (hwnd, hdc, infoPtr->iMoveItem);
1573 ReleaseDC (hwnd, hdc);
1574
1575 TRACE("Moving pressed item %d!\n", infoPtr->iMoveItem);
1576 }
1577 else if (infoPtr->bTracking) {
1578 if (dwStyle & HDS_FULLDRAG) {
1579 if (HEADER_SendHeaderNotify (hwnd, HDN_ITEMCHANGINGA, infoPtr->iMoveItem, HDI_WIDTH))
1580 {
1581 nWidth = pt.x - infoPtr->items[infoPtr->iMoveItem].rect.left + infoPtr->xTrackOffset;
1582 if (nWidth < 0)
1583 nWidth = 0;
1584 infoPtr->items[infoPtr->iMoveItem].cxy = nWidth;
1585 HEADER_SendHeaderNotify(hwnd, HDN_ITEMCHANGEDA, infoPtr->iMoveItem, HDI_WIDTH);
1586 }
1587 HEADER_SetItemBounds (hwnd);
1588 InvalidateRect(hwnd, NULL, FALSE);
1589 }
1590 else {
1591 hdc = GetDC (hwnd);
1592 HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
1593 infoPtr->xOldTrack = pt.x + infoPtr->xTrackOffset;
1594 if (infoPtr->xOldTrack < infoPtr->items[infoPtr->iMoveItem].rect.left)
1595 infoPtr->xOldTrack = infoPtr->items[infoPtr->iMoveItem].rect.left;
1596 infoPtr->items[infoPtr->iMoveItem].cxy =
1597 infoPtr->xOldTrack - infoPtr->items[infoPtr->iMoveItem].rect.left;
1598 HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
1599 ReleaseDC (hwnd, hdc);
1600 HEADER_SendHeaderNotify (hwnd, HDN_TRACKA, infoPtr->iMoveItem, HDI_WIDTH);
1601 }
1602
1603 TRACE("Tracking item %d!\n", infoPtr->iMoveItem);
1604 }
1605 }
1606
1607 if ((dwStyle & HDS_BUTTONS) && (dwStyle & HDS_HOTTRACK)) {
1608 FIXME("hot track support!\n");
1609 }
1610
1611 return 0;
1612 }
1613
1614
1615 static LRESULT
1616 HEADER_Paint (HWND hwnd, WPARAM wParam)
1617 {
1618 HDC hdc;
1619 PAINTSTRUCT ps;
1620
1621 hdc = wParam==0 ? BeginPaint (hwnd, &ps) : (HDC)wParam;
1622 HEADER_Refresh (hwnd, hdc);
1623 if(!wParam)
1624 EndPaint (hwnd, &ps);
1625 return 0;
1626 }
1627
1628
1629 static LRESULT
1630 HEADER_RButtonUp (HWND hwnd, WPARAM wParam, LPARAM lParam)
1631 {
1632 BOOL bRet;
1633 POINT pt;
1634
1635 pt.x = LOWORD(lParam);
1636 pt.y = HIWORD(lParam);
1637
1638 /* Send a Notify message */
1639 bRet = HEADER_SendSimpleNotify (hwnd, NM_RCLICK);
1640
1641 /* Change to screen coordinate for WM_CONTEXTMENU */
1642 ClientToScreen(hwnd, &pt);
1643
1644 /* Send a WM_CONTEXTMENU message in response to the RBUTTONUP */
1645 SendMessageA( hwnd, WM_CONTEXTMENU, (WPARAM) hwnd, MAKELPARAM(pt.x, pt.y));
1646
1647 return bRet;
1648 }
1649
1650
1651 static LRESULT
1652 HEADER_SetCursor (HWND hwnd, WPARAM wParam, LPARAM lParam)
1653 {
1654 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1655 POINT pt;
1656 UINT flags;
1657 INT nItem;
1658
1659 TRACE("code=0x%X id=0x%X\n", LOWORD(lParam), HIWORD(lParam));
1660
1661 GetCursorPos (&pt);
1662 ScreenToClient (hwnd, &pt);
1663
1664 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1665
1666 if (flags == HHT_ONDIVIDER)
1667 SetCursor (infoPtr->hcurDivider);
1668 else if (flags == HHT_ONDIVOPEN)
1669 SetCursor (infoPtr->hcurDivopen);
1670 else
1671 SetCursor (infoPtr->hcurArrow);
1672
1673 return 0;
1674 }
1675
1676
1677 static LRESULT
1678 HEADER_SetFont (HWND hwnd, WPARAM wParam, LPARAM lParam)
1679 {
1680 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1681 TEXTMETRICA tm;
1682 HFONT hFont, hOldFont;
1683 HDC hdc;
1684
1685 infoPtr->hFont = (HFONT)wParam;
1686
1687 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT);
1688
1689 hdc = GetDC (0);
1690 hOldFont = SelectObject (hdc, hFont);
1691 GetTextMetricsA (hdc, &tm);
1692 infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
1693 SelectObject (hdc, hOldFont);
1694 ReleaseDC (0, hdc);
1695
1696 infoPtr->bRectsValid = FALSE;
1697
1698 if (lParam) {
1699 InvalidateRect(hwnd, NULL, FALSE);
1700 }
1701
1702 return 0;
1703 }
1704
1705
1706 static LRESULT WINAPI
1707 HEADER_WindowProc (HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
1708 {
1709 TRACE("hwnd=%p msg=%x wparam=%x lParam=%lx\n", hwnd, msg, wParam, lParam);
1710 if (!HEADER_GetInfoPtr (hwnd) && (msg != WM_CREATE))
1711 return DefWindowProcA (hwnd, msg, wParam, lParam);
1712 switch (msg) {
1713 /* case HDM_CLEARFILTER: */
1714
1715 case HDM_CREATEDRAGIMAGE:
1716 return HEADER_CreateDragImage (hwnd, wParam);
1717
1718 case HDM_DELETEITEM:
1719 return HEADER_DeleteItem (hwnd, wParam);
1720
1721 /* case HDM_EDITFILTER: */
1722
1723 case HDM_GETBITMAPMARGIN:
1724 return HEADER_GetBitmapMargin(hwnd);
1725
1726 case HDM_GETIMAGELIST:
1727 return HEADER_GetImageList (hwnd);
1728
1729 case HDM_GETITEMA:
1730 return HEADER_GetItemA (hwnd, wParam, lParam);
1731
1732 case HDM_GETITEMW:
1733 return HEADER_GetItemW (hwnd, wParam, lParam);
1734
1735 case HDM_GETITEMCOUNT:
1736 return HEADER_GetItemCount (hwnd);
1737
1738 case HDM_GETITEMRECT:
1739 return HEADER_GetItemRect (hwnd, wParam, lParam);
1740
1741 case HDM_GETORDERARRAY:
1742 return HEADER_GetOrderArray(hwnd, wParam, lParam);
1743
1744 case HDM_GETUNICODEFORMAT:
1745 return HEADER_GetUnicodeFormat (hwnd);
1746
1747 case HDM_HITTEST:
1748 return HEADER_HitTest (hwnd, wParam, lParam);
1749
1750 case HDM_INSERTITEMA:
1751 return HEADER_InsertItemA (hwnd, wParam, lParam);
1752
1753 case HDM_INSERTITEMW:
1754 return HEADER_InsertItemW (hwnd, wParam, lParam);
1755
1756 case HDM_LAYOUT:
1757 return HEADER_Layout (hwnd, wParam, lParam);
1758
1759 case HDM_ORDERTOINDEX:
1760 return HEADER_OrderToIndex(hwnd, wParam);
1761
1762 case HDM_SETBITMAPMARGIN:
1763 return HEADER_SetBitmapMargin(hwnd, wParam);
1764
1765 /* case HDM_SETFILTERCHANGETIMEOUT: */
1766
1767 /* case HDM_SETHOTDIVIDER: */
1768
1769 case HDM_SETIMAGELIST:
1770 return HEADER_SetImageList (hwnd, (HIMAGELIST)lParam);
1771
1772 case HDM_SETITEMA:
1773 return HEADER_SetItemA (hwnd, wParam, lParam);
1774
1775 case HDM_SETITEMW:
1776 return HEADER_SetItemW (hwnd, wParam, lParam);
1777
1778 case HDM_SETORDERARRAY:
1779 return HEADER_SetOrderArray(hwnd, wParam, lParam);
1780
1781 case HDM_SETUNICODEFORMAT:
1782 return HEADER_SetUnicodeFormat (hwnd, wParam);
1783
1784 case WM_CREATE:
1785 return HEADER_Create (hwnd, wParam, lParam);
1786
1787 case WM_DESTROY:
1788 return HEADER_Destroy (hwnd, wParam, lParam);
1789
1790 case WM_ERASEBKGND:
1791 return 1;
1792
1793 case WM_GETDLGCODE:
1794 return DLGC_WANTTAB | DLGC_WANTARROWS;
1795
1796 case WM_GETFONT:
1797 return HEADER_GetFont (hwnd);
1798
1799 case WM_LBUTTONDBLCLK:
1800 return HEADER_LButtonDblClk (hwnd, wParam, lParam);
1801
1802 case WM_LBUTTONDOWN:
1803 return HEADER_LButtonDown (hwnd, wParam, lParam);
1804
1805 case WM_LBUTTONUP:
1806 return HEADER_LButtonUp (hwnd, wParam, lParam);
1807
1808 case WM_MOUSEMOVE:
1809 return HEADER_MouseMove (hwnd, wParam, lParam);
1810
1811 case WM_NOTIFYFORMAT:
1812 return HEADER_NotifyFormat (hwnd, wParam, lParam);
1813
1814 case WM_SIZE:
1815 return HEADER_Size (hwnd, wParam);
1816
1817 case WM_PAINT:
1818 return HEADER_Paint (hwnd, wParam);
1819
1820 case WM_RBUTTONUP:
1821 return HEADER_RButtonUp (hwnd, wParam, lParam);
1822
1823 case WM_SETCURSOR:
1824 return HEADER_SetCursor (hwnd, wParam, lParam);
1825
1826 case WM_SETFONT:
1827 return HEADER_SetFont (hwnd, wParam, lParam);
1828
1829 default:
1830 if ((msg >= WM_USER) && (msg < WM_APP))
1831 ERR("unknown msg %04x wp=%04x lp=%08lx\n",
1832 msg, wParam, lParam );
1833 return DefWindowProcA (hwnd, msg, wParam, lParam);
1834 }
1835 return 0;
1836 }
1837
1838
1839 VOID
1840 HEADER_Register (void)
1841 {
1842 WNDCLASSA wndClass;
1843
1844 ZeroMemory (&wndClass, sizeof(WNDCLASSA));
1845 wndClass.style = CS_GLOBALCLASS | CS_DBLCLKS;
1846 wndClass.lpfnWndProc = (WNDPROC)HEADER_WindowProc;
1847 wndClass.cbClsExtra = 0;
1848 wndClass.cbWndExtra = sizeof(HEADER_INFO *);
1849 wndClass.hCursor = LoadCursorA (0, (LPSTR)IDC_ARROW);
1850 wndClass.lpszClassName = WC_HEADERA;
1851
1852 RegisterClassA (&wndClass);
1853 }
1854
1855
1856 VOID
1857 HEADER_Unregister (void)
1858 {
1859 UnregisterClassA (WC_HEADERA, NULL);
1860 }
Windows API implementation