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Add a MsgWaitForMultipleObjects test.
[wine/wine-kai.git] / dlls / comctl32 / header.c
blobabaf5bcf58ac94a53c70a79bd89d600c9c43f729
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 an 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, cxEdge = GetSystemMetrics(SM_CXEDGE);
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 (GetWindowLongW (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 r.left -= cxEdge;
192 r.right += cxEdge;
193
194 if (phdi->fmt & HDF_OWNERDRAW) {
195 DRAWITEMSTRUCT dis;
196 NMCUSTOMDRAW nmcd;
197
198 nmcd.hdr.hwndFrom = hwnd;
199 nmcd.hdr.idFrom = GetWindowLongPtrW (hwnd, GWLP_ID);
200 nmcd.hdr.code = NM_CUSTOMDRAW;
201 nmcd.dwDrawStage = CDDS_PREPAINT | CDDS_ITEM | CDDS_ITEMPOSTERASE;
202 nmcd.hdc = hdc;
203 nmcd.dwItemSpec = iItem;
204 nmcd.rc = r;
205 nmcd.uItemState = phdi->bDown ? CDIS_SELECTED : 0;
206 nmcd.lItemlParam = phdi->lParam;
207
208 SendMessageW (infoPtr->hwndNotify, WM_NOTIFY,
209 (WPARAM)nmcd.hdr.idFrom, (LPARAM)&nmcd);
210
211 dis.CtlType = ODT_HEADER;
212 dis.CtlID = GetWindowLongPtrW (hwnd, GWLP_ID);
213 dis.itemID = iItem;
214 dis.itemAction = ODA_DRAWENTIRE;
215 dis.itemState = phdi->bDown ? ODS_SELECTED : 0;
216 dis.hwndItem = hwnd;
217 dis.hDC = hdc;
218 dis.rcItem = r;
219 dis.itemData = phdi->lParam;
220 oldBkMode = SetBkMode(hdc, TRANSPARENT);
221 SendMessageW (infoPtr->hwndNotify, WM_DRAWITEM,
222 (WPARAM)dis.CtlID, (LPARAM)&dis);
223 if (oldBkMode != TRANSPARENT)
224 SetBkMode(hdc, oldBkMode);
225 }
226 else {
227 UINT rw, rh, /* width and height of r */
228 *x = NULL, *w = NULL; /* x and width of the pic (bmp or img) which is part of cnt */
229 /* cnt,txt,img,bmp */
230 UINT cx, tx, ix, bx,
231 cw, tw, iw, bw;
232 BITMAP bmp;
233
234 cw = tw = iw = bw = 0;
235 rw = r.right - r.left;
236 rh = r.bottom - r.top;
237
238 if (phdi->fmt & HDF_STRING) {
239 RECT textRect;
240
241 DrawTextW (hdc, phdi->pszText, -1,
242 &textRect, DT_LEFT|DT_VCENTER|DT_SINGLELINE|DT_CALCRECT);
243 cw = textRect.right - textRect.left + 2 * infoPtr->iMargin;
244 }
245
246 if ((phdi->fmt & HDF_IMAGE) && (infoPtr->himl)) {
247 iw = infoPtr->himl->cx + 2 * infoPtr->iMargin;
248 x = &ix;
249 w = &iw;
250 }
251
252 if ((phdi->fmt & HDF_BITMAP) && (phdi->hbm)) {
253 GetObjectW (phdi->hbm, sizeof(BITMAP), (LPVOID)&bmp);
254 bw = bmp.bmWidth + 2 * infoPtr->iMargin;
255 if (!iw) {
256 x = &bx;
257 w = &bw;
258 }
259 }
260
261 if (bw || iw)
262 cw += *w;
263
264 /* align cx using the unclipped cw */
265 if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_LEFT)
266 cx = r.left;
267 else if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_CENTER)
268 cx = r.left + rw / 2 - cw / 2;
269 else /* HDF_RIGHT */
270 cx = r.right - cw;
271
272 /* clip cx & cw */
273 if (cx < r.left)
274 cx = r.left;
275 if (cx + cw > r.right)
276 cw = r.right - cx;
277
278 tx = cx + infoPtr->iMargin;
279 /* since cw might have changed we have to recalculate tw */
280 tw = cw - infoPtr->iMargin * 2;
281
282 if (iw || bw) {
283 tw -= *w;
284 if (phdi->fmt & HDF_BITMAP_ON_RIGHT) {
285 /* put pic behind text */
286 *x = cx + tw + infoPtr->iMargin * 3;
287 } else {
288 *x = cx + infoPtr->iMargin;
289 /* move text behind pic */
290 tx += *w;
291 }
292 }
293
294 if (iw && bw) {
295 /* since we're done with the layout we can
296 now calculate the position of bmp which
297 has no influence on alignment and layout
298 because of img */
299 if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_RIGHT)
300 bx = cx - bw + infoPtr->iMargin;
301 else
302 bx = cx + cw + infoPtr->iMargin;
303 }
304
305 if (iw || bw) {
306 HDC hClipDC = GetDC(hwnd);
307 HRGN hClipRgn = CreateRectRgn(r.left, r.top, r.right, r.bottom);
308 SelectClipRgn(hClipDC, hClipRgn);
309
310 if (bw) {
311 HDC hdcBitmap = CreateCompatibleDC (hClipDC);
312 SelectObject (hdcBitmap, phdi->hbm);
313 BitBlt (hClipDC, bx, r.top + ((INT)rh - bmp.bmHeight) / 2,
314 bmp.bmWidth, bmp.bmHeight, hdcBitmap, 0, 0, SRCCOPY);
315 DeleteDC (hdcBitmap);
316 }
317
318 if (iw) {
319 ImageList_DrawEx (infoPtr->himl, phdi->iImage, hClipDC,
320 ix, r.top + ((INT)rh - infoPtr->himl->cy) / 2,
321 infoPtr->himl->cx, infoPtr->himl->cy, CLR_DEFAULT, CLR_DEFAULT, 0);
322 }
323
324 DeleteObject(hClipRgn);
325 DeleteDC(hClipDC);
326 }
327
328 if (((phdi->fmt & HDF_STRING)
329 || (!(phdi->fmt & (HDF_OWNERDRAW|HDF_STRING|HDF_BITMAP|
330 HDF_BITMAP_ON_RIGHT|HDF_IMAGE)))) /* no explicit format specified? */
331 && (phdi->pszText)) {
332 oldBkMode = SetBkMode(hdc, TRANSPARENT);
333 SetTextColor (hdc, (bHotTrack) ? COLOR_HIGHLIGHT : COLOR_BTNTEXT);
334 r.left = tx;
335 r.right = tx + tw;
336 DrawTextW (hdc, phdi->pszText, -1,
337 &r, DT_LEFT|DT_END_ELLIPSIS|DT_VCENTER|DT_SINGLELINE);
338 if (oldBkMode != TRANSPARENT)
339 SetBkMode(hdc, oldBkMode);
340 }
341 }/*Ownerdrawn*/
342
343 return phdi->rect.right;
344 }
345
346
347 static void
348 HEADER_Refresh (HWND hwnd, HDC hdc)
349 {
350 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
351 HFONT hFont, hOldFont;
352 RECT rect;
353 HBRUSH hbrBk;
354 UINT i;
355 INT x;
356
357 /* get rect for the bar, adjusted for the border */
358 GetClientRect (hwnd, &rect);
359
360 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT);
361 hOldFont = SelectObject (hdc, hFont);
362
363 /* draw Background */
364 hbrBk = GetSysColorBrush(COLOR_3DFACE);
365 FillRect(hdc, &rect, hbrBk);
366
367 x = rect.left;
368 for (i = 0; i < infoPtr->uNumItem; i++) {
369 x = HEADER_DrawItem (hwnd, hdc, HEADER_OrderToIndex(hwnd,i), FALSE);
370 }
371
372 if ((x <= rect.right) && (infoPtr->uNumItem > 0)) {
373 rect.left = x;
374 if (GetWindowLongW (hwnd, GWL_STYLE) & HDS_BUTTONS)
375 DrawEdge (hdc, &rect, EDGE_RAISED, BF_TOP|BF_LEFT|BF_BOTTOM|BF_SOFT);
376 else
377 DrawEdge (hdc, &rect, EDGE_ETCHED, BF_BOTTOM);
378 }
379
380 SelectObject (hdc, hOldFont);
381 }
382
383
384 static void
385 HEADER_RefreshItem (HWND hwnd, HDC hdc, INT iItem)
386 {
387 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
388 HFONT hFont, hOldFont;
389
390 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT);
391 hOldFont = SelectObject (hdc, hFont);
392 HEADER_DrawItem (hwnd, hdc, iItem, FALSE);
393 SelectObject (hdc, hOldFont);
394 }
395
396
397 static void
398 HEADER_InternalHitTest (HWND hwnd, LPPOINT lpPt, UINT *pFlags, INT *pItem)
399 {
400 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
401 RECT rect, rcTest;
402 UINT iCount;
403 INT width;
404 BOOL bNoWidth;
405
406 GetClientRect (hwnd, &rect);
407
408 *pFlags = 0;
409 bNoWidth = FALSE;
410 if (PtInRect (&rect, *lpPt))
411 {
412 if (infoPtr->uNumItem == 0) {
413 *pFlags |= HHT_NOWHERE;
414 *pItem = 1;
415 TRACE("NOWHERE\n");
416 return;
417 }
418 else {
419 /* somewhere inside */
420 for (iCount = 0; iCount < infoPtr->uNumItem; iCount++) {
421 rect = infoPtr->items[iCount].rect;
422 width = rect.right - rect.left;
423 if (width == 0) {
424 bNoWidth = TRUE;
425 continue;
426 }
427 if (PtInRect (&rect, *lpPt)) {
428 if (width <= 2 * DIVIDER_WIDTH) {
429 *pFlags |= HHT_ONHEADER;
430 *pItem = iCount;
431 TRACE("ON HEADER %d\n", iCount);
432 return;
433 }
434 if (iCount > 0) {
435 rcTest = rect;
436 rcTest.right = rcTest.left + DIVIDER_WIDTH;
437 if (PtInRect (&rcTest, *lpPt)) {
438 if (bNoWidth) {
439 *pFlags |= HHT_ONDIVOPEN;
440 *pItem = iCount - 1;
441 TRACE("ON DIVOPEN %d\n", *pItem);
442 return;
443 }
444 else {
445 *pFlags |= HHT_ONDIVIDER;
446 *pItem = iCount - 1;
447 TRACE("ON DIVIDER %d\n", *pItem);
448 return;
449 }
450 }
451 }
452 rcTest = rect;
453 rcTest.left = rcTest.right - DIVIDER_WIDTH;
454 if (PtInRect (&rcTest, *lpPt)) {
455 *pFlags |= HHT_ONDIVIDER;
456 *pItem = iCount;
457 TRACE("ON DIVIDER %d\n", *pItem);
458 return;
459 }
460
461 *pFlags |= HHT_ONHEADER;
462 *pItem = iCount;
463 TRACE("ON HEADER %d\n", iCount);
464 return;
465 }
466 }
467
468 /* check for last divider part (on nowhere) */
469 rect = infoPtr->items[infoPtr->uNumItem-1].rect;
470 rect.left = rect.right;
471 rect.right += DIVIDER_WIDTH;
472 if (PtInRect (&rect, *lpPt)) {
473 if (bNoWidth) {
474 *pFlags |= HHT_ONDIVOPEN;
475 *pItem = infoPtr->uNumItem - 1;
476 TRACE("ON DIVOPEN %d\n", *pItem);
477 return;
478 }
479 else {
480 *pFlags |= HHT_ONDIVIDER;
481 *pItem = infoPtr->uNumItem-1;
482 TRACE("ON DIVIDER %d\n", *pItem);
483 return;
484 }
485 }
486
487 *pFlags |= HHT_NOWHERE;
488 *pItem = 1;
489 TRACE("NOWHERE\n");
490 return;
491 }
492 }
493 else {
494 if (lpPt->x < rect.left) {
495 TRACE("TO LEFT\n");
496 *pFlags |= HHT_TOLEFT;
497 }
498 else if (lpPt->x > rect.right) {
499 TRACE("TO RIGHT\n");
500 *pFlags |= HHT_TORIGHT;
501 }
502
503 if (lpPt->y < rect.top) {
504 TRACE("ABOVE\n");
505 *pFlags |= HHT_ABOVE;
506 }
507 else if (lpPt->y > rect.bottom) {
508 TRACE("BELOW\n");
509 *pFlags |= HHT_BELOW;
510 }
511 }
512
513 *pItem = 1;
514 TRACE("flags=0x%X\n", *pFlags);
515 return;
516 }
517
518
519 static void
520 HEADER_DrawTrackLine (HWND hwnd, HDC hdc, INT x)
521 {
522 RECT rect;
523 HPEN hOldPen;
524 INT oldRop;
525
526 GetClientRect (hwnd, &rect);
527
528 hOldPen = SelectObject (hdc, GetStockObject (BLACK_PEN));
529 oldRop = SetROP2 (hdc, R2_XORPEN);
530 MoveToEx (hdc, x, rect.top, NULL);
531 LineTo (hdc, x, rect.bottom);
532 SetROP2 (hdc, oldRop);
533 SelectObject (hdc, hOldPen);
534 }
535
536
537 static BOOL
538 HEADER_SendSimpleNotify (HWND hwnd, UINT code)
539 {
540 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
541 NMHDR nmhdr;
542
543 nmhdr.hwndFrom = hwnd;
544 nmhdr.idFrom = GetWindowLongPtrW (hwnd, GWLP_ID);
545 nmhdr.code = code;
546
547 return (BOOL)SendMessageW (infoPtr->hwndNotify, WM_NOTIFY,
548 (WPARAM)nmhdr.idFrom, (LPARAM)&nmhdr);
549 }
550
551 static BOOL
552 HEADER_SendHeaderNotify (HWND hwnd, UINT code, INT iItem, INT mask)
553 {
554 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
555 NMHEADERA nmhdr;
556 HDITEMA nmitem;
557
558 nmhdr.hdr.hwndFrom = hwnd;
559 nmhdr.hdr.idFrom = GetWindowLongPtrW (hwnd, GWLP_ID);
560 nmhdr.hdr.code = code;
561 nmhdr.iItem = iItem;
562 nmhdr.iButton = 0;
563 nmhdr.pitem = &nmitem;
564 nmitem.mask = mask;
565 nmitem.cxy = infoPtr->items[iItem].cxy;
566 nmitem.hbm = infoPtr->items[iItem].hbm;
567 nmitem.pszText = NULL;
568 nmitem.cchTextMax = 0;
569 /* nmitem.pszText = infoPtr->items[iItem].pszText; */
570 /* nmitem.cchTextMax = infoPtr->items[iItem].cchTextMax; */
571 nmitem.fmt = infoPtr->items[iItem].fmt;
572 nmitem.lParam = infoPtr->items[iItem].lParam;
573 nmitem.iOrder = infoPtr->items[iItem].iOrder;
574 nmitem.iImage = infoPtr->items[iItem].iImage;
575
576 return (BOOL)SendMessageW (infoPtr->hwndNotify, WM_NOTIFY,
577 (WPARAM)nmhdr.hdr.idFrom, (LPARAM)&nmhdr);
578 }
579
580
581 static BOOL
582 HEADER_SendClickNotify (HWND hwnd, UINT code, INT iItem)
583 {
584 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
585 NMHEADERA nmhdr;
586
587 nmhdr.hdr.hwndFrom = hwnd;
588 nmhdr.hdr.idFrom = GetWindowLongPtrW (hwnd, GWLP_ID);
589 nmhdr.hdr.code = code;
590 nmhdr.iItem = iItem;
591 nmhdr.iButton = 0;
592 nmhdr.pitem = NULL;
593
594 return (BOOL)SendMessageA (infoPtr->hwndNotify, WM_NOTIFY,
595 (WPARAM)nmhdr.hdr.idFrom, (LPARAM)&nmhdr);
596 }
597
598
599 static LRESULT
600 HEADER_CreateDragImage (HWND hwnd, WPARAM wParam)
601 {
602 FIXME("empty stub!\n");
603 return 0;
604 }
605
606
607 static LRESULT
608 HEADER_DeleteItem (HWND hwnd, WPARAM wParam)
609 {
610 HEADER_INFO *infoPtr = HEADER_GetInfoPtr(hwnd);
611 INT iItem = (INT)wParam;
612
613 TRACE("[iItem=%d]\n", iItem);
614
615 if ((iItem < 0) || (iItem >= (INT)infoPtr->uNumItem))
616 return FALSE;
617
618 if (infoPtr->uNumItem == 1) {
619 TRACE("Simple delete!\n");
620 if (infoPtr->items[0].pszText)
621 Free (infoPtr->items[0].pszText);
622 Free (infoPtr->items);
623 infoPtr->items = 0;
624 infoPtr->uNumItem = 0;
625 }
626 else {
627 HEADER_ITEM *oldItems = infoPtr->items;
628 HEADER_ITEM *pItem;
629 INT i;
630 INT iOrder;
631 TRACE("Complex delete! [iItem=%d]\n", iItem);
632
633 if (infoPtr->items[iItem].pszText)
634 Free (infoPtr->items[iItem].pszText);
635 iOrder = infoPtr->items[iItem].iOrder;
636
637 infoPtr->uNumItem--;
638 infoPtr->items = Alloc (sizeof (HEADER_ITEM) * infoPtr->uNumItem);
639 /* pre delete copy */
640 if (iItem > 0) {
641 memcpy (&infoPtr->items[0], &oldItems[0],
642 iItem * sizeof(HEADER_ITEM));
643 }
644
645 /* post delete copy */
646 if (iItem < infoPtr->uNumItem) {
647 memcpy (&infoPtr->items[iItem], &oldItems[iItem+1],
648 (infoPtr->uNumItem - iItem) * sizeof(HEADER_ITEM));
649 }
650
651 /* Correct the orders */
652 for (i=infoPtr->uNumItem, pItem = infoPtr->items; i; i--, pItem++)
653 {
654 if (pItem->iOrder > iOrder)
655 pItem->iOrder--;
656 }
657 Free (oldItems);
658 }
659
660 HEADER_SetItemBounds (hwnd);
661
662 InvalidateRect(hwnd, NULL, FALSE);
663
664 return TRUE;
665 }
666
667
668 static LRESULT
669 HEADER_GetImageList (HWND hwnd)
670 {
671 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
672
673 return (LRESULT)infoPtr->himl;
674 }
675
676
677 static LRESULT
678 HEADER_GetItemA (HWND hwnd, WPARAM wParam, LPARAM lParam)
679 {
680 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
681 HDITEMA *phdi = (HDITEMA*)lParam;
682 INT nItem = (INT)wParam;
683 HEADER_ITEM *lpItem;
684
685 if (!phdi)
686 return FALSE;
687
688 TRACE("[nItem=%d]\n", nItem);
689
690 if (phdi->mask == 0)
691 return TRUE;
692
693 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem)) {
694 lpItem = NULL;
695 }
696 else {
697 lpItem = &infoPtr->items[nItem];
698 }
699
700 if (phdi->mask & HDI_BITMAP)
701 phdi->hbm = (lpItem != NULL) ? lpItem->hbm : 0;
702
703 if (phdi->mask & HDI_FORMAT)
704 phdi->fmt = (lpItem != NULL) ? lpItem->fmt : 0;
705
706 if (phdi->mask & HDI_WIDTH)
707 phdi->cxy = (lpItem != NULL) ? lpItem->cxy : 0;
708
709 if (phdi->mask & HDI_LPARAM)
710 phdi->lParam = (lpItem != NULL) ? lpItem->lParam : 0;
711
712 if (phdi->mask & HDI_TEXT) {
713 if (lpItem == NULL) {
714 *phdi->pszText = 0;
715 }
716 else if (lpItem->pszText != LPSTR_TEXTCALLBACKW) {
717 if (lpItem->pszText)
718 WideCharToMultiByte (CP_ACP, 0, lpItem->pszText, -1,
719 phdi->pszText, phdi->cchTextMax, NULL, NULL);
720 else
721 *phdi->pszText = 0;
722 }
723 else
724 phdi->pszText = LPSTR_TEXTCALLBACKA;
725 }
726
727 if (phdi->mask & HDI_IMAGE)
728 phdi->iImage = (lpItem != NULL) ? lpItem->iImage : 0;
729
730 if (phdi->mask & HDI_ORDER)
731 phdi->iOrder = (lpItem != NULL) ? lpItem->iOrder : 0;
732
733 return TRUE;
734 }
735
736
737 static LRESULT
738 HEADER_GetItemW (HWND hwnd, WPARAM wParam, LPARAM lParam)
739 {
740 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
741 HDITEMW *phdi = (HDITEMW*)lParam;
742 INT nItem = (INT)wParam;
743 HEADER_ITEM *lpItem;
744
745 if (!phdi)
746 return FALSE;
747
748 TRACE("[nItem=%d]\n", nItem);
749
750 if (phdi->mask == 0)
751 return TRUE;
752
753 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem)) {
754 lpItem = NULL;
755 }
756 else {
757 lpItem = &infoPtr->items[nItem];
758 }
759
760 if (phdi->mask & HDI_BITMAP)
761 phdi->hbm = (lpItem != NULL) ? lpItem->hbm : 0;
762
763 if (phdi->mask & HDI_FORMAT)
764 phdi->fmt = (lpItem != NULL) ? lpItem->fmt : 0;
765
766 if (phdi->mask & HDI_WIDTH)
767 phdi->cxy = (lpItem != NULL) ? lpItem->cxy : 0;
768
769 if (phdi->mask & HDI_LPARAM)
770 phdi->lParam = (lpItem != NULL) ? lpItem->lParam : 0;
771
772 if (phdi->mask & HDI_TEXT) {
773 if (lpItem == NULL) {
774 *phdi->pszText = 0;
775 }
776 else if (lpItem->pszText != LPSTR_TEXTCALLBACKW) {
777 if (lpItem->pszText)
778 lstrcpynW (phdi->pszText, lpItem->pszText, phdi->cchTextMax);
779 else
780 *phdi->pszText = 0;
781 }
782 else
783 phdi->pszText = LPSTR_TEXTCALLBACKW;
784 }
785
786 if (phdi->mask & HDI_IMAGE)
787 phdi->iImage = (lpItem != NULL) ? lpItem->iImage : 0;
788
789 if (phdi->mask & HDI_ORDER)
790 phdi->iOrder = (lpItem != NULL) ? lpItem->iOrder : 0;
791
792 return TRUE;
793 }
794
795
796 inline static LRESULT
797 HEADER_GetItemCount (HWND hwnd)
798 {
799 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
800 return infoPtr->uNumItem;
801 }
802
803
804 static LRESULT
805 HEADER_GetItemRect (HWND hwnd, WPARAM wParam, LPARAM lParam)
806 {
807 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
808 INT iItem = (INT)wParam;
809 LPRECT lpRect = (LPRECT)lParam;
810
811 if ((iItem < 0) || (iItem >= (INT)infoPtr->uNumItem))
812 return FALSE;
813
814 lpRect->left = infoPtr->items[iItem].rect.left;
815 lpRect->right = infoPtr->items[iItem].rect.right;
816 lpRect->top = infoPtr->items[iItem].rect.top;
817 lpRect->bottom = infoPtr->items[iItem].rect.bottom;
818
819 return TRUE;
820 }
821
822
823 static LRESULT
824 HEADER_GetOrderArray(HWND hwnd, WPARAM wParam, LPARAM lParam)
825 {
826 int i;
827 LPINT order = (LPINT) lParam;
828 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
829
830 if ((unsigned int)wParam <infoPtr->uNumItem)
831 return FALSE;
832 for (i=0; i<(int)wParam; i++)
833 *order++=HEADER_OrderToIndex(hwnd,i);
834 return TRUE;
835 }
836
837 static LRESULT
838 HEADER_SetOrderArray(HWND hwnd, WPARAM wParam, LPARAM lParam)
839 {
840 int i;
841 LPINT order = (LPINT) lParam;
842 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
843 HEADER_ITEM *lpItem;
844
845 if ((unsigned int)wParam <infoPtr->uNumItem)
846 return FALSE;
847 for (i=0; i<(int)wParam; i++)
848 {
849 lpItem = &infoPtr->items[*order++];
850 lpItem->iOrder=i;
851 }
852 infoPtr->bRectsValid=0;
853 InvalidateRect(hwnd, NULL, FALSE);
854 return TRUE;
855 }
856
857 inline static LRESULT
858 HEADER_GetUnicodeFormat (HWND hwnd)
859 {
860 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
861 return infoPtr->bUnicode;
862 }
863
864
865 static LRESULT
866 HEADER_HitTest (HWND hwnd, WPARAM wParam, LPARAM lParam)
867 {
868 LPHDHITTESTINFO phti = (LPHDHITTESTINFO)lParam;
869
870 HEADER_InternalHitTest (hwnd, &phti->pt, &phti->flags, &phti->iItem);
871
872 if (phti->flags == HHT_NOWHERE)
873 return -1;
874 else
875 return phti->iItem;
876 }
877
878
879 static LRESULT
880 HEADER_InsertItemA (HWND hwnd, WPARAM wParam, LPARAM lParam)
881 {
882 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
883 HDITEMA *phdi = (HDITEMA*)lParam;
884 INT nItem = (INT)wParam;
885 HEADER_ITEM *lpItem;
886 INT len, iOrder;
887 UINT i;
888
889 if ((phdi == NULL) || (nItem < 0))
890 return -1;
891
892 if (nItem > infoPtr->uNumItem)
893 nItem = infoPtr->uNumItem;
894
895 iOrder = (phdi->mask & HDI_ORDER) ? phdi->iOrder : nItem;
896
897 if (infoPtr->uNumItem == 0) {
898 infoPtr->items = Alloc (sizeof (HEADER_ITEM));
899 infoPtr->uNumItem++;
900 }
901 else {
902 HEADER_ITEM *oldItems = infoPtr->items;
903
904 infoPtr->uNumItem++;
905 infoPtr->items = Alloc (sizeof (HEADER_ITEM) * infoPtr->uNumItem);
906 if (nItem == 0) {
907 memcpy (&infoPtr->items[1], &oldItems[0],
908 (infoPtr->uNumItem-1) * sizeof(HEADER_ITEM));
909 }
910 else
911 {
912 /* pre insert copy */
913 if (nItem > 0) {
914 memcpy (&infoPtr->items[0], &oldItems[0],
915 nItem * sizeof(HEADER_ITEM));
916 }
917
918 /* post insert copy */
919 if (nItem < infoPtr->uNumItem - 1) {
920 memcpy (&infoPtr->items[nItem+1], &oldItems[nItem],
921 (infoPtr->uNumItem - nItem - 1) * sizeof(HEADER_ITEM));
922 }
923 }
924
925 Free (oldItems);
926 }
927
928 for (i=0; i < infoPtr->uNumItem; i++)
929 {
930 if (infoPtr->items[i].iOrder >= iOrder)
931 infoPtr->items[i].iOrder++;
932 }
933
934 lpItem = &infoPtr->items[nItem];
935 lpItem->bDown = FALSE;
936
937 if (phdi->mask & HDI_WIDTH)
938 lpItem->cxy = phdi->cxy;
939
940 if (phdi->mask & HDI_TEXT) {
941 if (!phdi->pszText) /* null pointer check */
942 phdi->pszText = "";
943 if (phdi->pszText != LPSTR_TEXTCALLBACKA) {
944 len = MultiByteToWideChar(CP_ACP, 0, phdi->pszText, -1, NULL, 0);
945 lpItem->pszText = Alloc( len*sizeof(WCHAR) );
946 MultiByteToWideChar(CP_ACP, 0, phdi->pszText, -1, lpItem->pszText, len);
947 }
948 else
949 lpItem->pszText = LPSTR_TEXTCALLBACKW;
950 }
951
952 if (phdi->mask & HDI_FORMAT)
953 lpItem->fmt = phdi->fmt;
954
955 if (lpItem->fmt == 0)
956 lpItem->fmt = HDF_LEFT;
957
958 if (!(lpItem->fmt & HDF_STRING) && (phdi->mask & HDI_TEXT))
959 {
960 lpItem->fmt |= HDF_STRING;
961 }
962 if (phdi->mask & HDI_BITMAP)
963 lpItem->hbm = phdi->hbm;
964
965 if (phdi->mask & HDI_LPARAM)
966 lpItem->lParam = phdi->lParam;
967
968 if (phdi->mask & HDI_IMAGE)
969 lpItem->iImage = phdi->iImage;
970
971 lpItem->iOrder = iOrder;
972
973 HEADER_SetItemBounds (hwnd);
974
975 InvalidateRect(hwnd, NULL, FALSE);
976
977 return nItem;
978 }
979
980
981 static LRESULT
982 HEADER_InsertItemW (HWND hwnd, WPARAM wParam, LPARAM lParam)
983 {
984 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
985 HDITEMW *phdi = (HDITEMW*)lParam;
986 INT nItem = (INT)wParam;
987 HEADER_ITEM *lpItem;
988 INT len, iOrder;
989 UINT i;
990
991 if ((phdi == NULL) || (nItem < 0))
992 return -1;
993
994 if (nItem > infoPtr->uNumItem)
995 nItem = infoPtr->uNumItem;
996
997 iOrder = (phdi->mask & HDI_ORDER) ? phdi->iOrder : nItem;
998
999 if (infoPtr->uNumItem == 0) {
1000 infoPtr->items = Alloc (sizeof (HEADER_ITEM));
1001 infoPtr->uNumItem++;
1002 }
1003 else {
1004 HEADER_ITEM *oldItems = infoPtr->items;
1005
1006 infoPtr->uNumItem++;
1007 infoPtr->items = Alloc (sizeof (HEADER_ITEM) * infoPtr->uNumItem);
1008 if (nItem == 0) {
1009 memcpy (&infoPtr->items[1], &oldItems[0],
1010 (infoPtr->uNumItem-1) * sizeof(HEADER_ITEM));
1011 }
1012 else
1013 {
1014 /* pre insert copy */
1015 if (nItem > 0) {
1016 memcpy (&infoPtr->items[0], &oldItems[0],
1017 nItem * sizeof(HEADER_ITEM));
1018 }
1019
1020 /* post insert copy */
1021 if (nItem < infoPtr->uNumItem - 1) {
1022 memcpy (&infoPtr->items[nItem+1], &oldItems[nItem],
1023 (infoPtr->uNumItem - nItem - 1) * sizeof(HEADER_ITEM));
1024 }
1025 }
1026
1027 Free (oldItems);
1028 }
1029
1030 for (i=0; i < infoPtr->uNumItem; i++)
1031 {
1032 if (infoPtr->items[i].iOrder >= iOrder)
1033 infoPtr->items[i].iOrder++;
1034 }
1035
1036 lpItem = &infoPtr->items[nItem];
1037 lpItem->bDown = FALSE;
1038
1039 if (phdi->mask & HDI_WIDTH)
1040 lpItem->cxy = phdi->cxy;
1041
1042 if (phdi->mask & HDI_TEXT) {
1043 WCHAR wide_null_char = 0;
1044 if (!phdi->pszText) /* null pointer check */
1045 phdi->pszText = &wide_null_char;
1046 if (phdi->pszText != LPSTR_TEXTCALLBACKW) {
1047 len = strlenW (phdi->pszText);
1048 lpItem->pszText = Alloc ((len+1)*sizeof(WCHAR));
1049 strcpyW (lpItem->pszText, phdi->pszText);
1050 }
1051 else
1052 lpItem->pszText = LPSTR_TEXTCALLBACKW;
1053 }
1054
1055 if (phdi->mask & HDI_FORMAT)
1056 lpItem->fmt = phdi->fmt;
1057
1058 if (lpItem->fmt == 0)
1059 lpItem->fmt = HDF_LEFT;
1060
1061 if (!(lpItem->fmt &HDF_STRING) && (phdi->mask & HDI_TEXT))
1062 {
1063 lpItem->fmt |= HDF_STRING;
1064 }
1065 if (phdi->mask & HDI_BITMAP)
1066 lpItem->hbm = phdi->hbm;
1067
1068 if (phdi->mask & HDI_LPARAM)
1069 lpItem->lParam = phdi->lParam;
1070
1071 if (phdi->mask & HDI_IMAGE)
1072 lpItem->iImage = phdi->iImage;
1073
1074 lpItem->iOrder = iOrder;
1075
1076 HEADER_SetItemBounds (hwnd);
1077
1078 InvalidateRect(hwnd, NULL, FALSE);
1079
1080 return nItem;
1081 }
1082
1083
1084 static LRESULT
1085 HEADER_Layout (HWND hwnd, WPARAM wParam, LPARAM lParam)
1086 {
1087 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1088 LPHDLAYOUT lpLayout = (LPHDLAYOUT)lParam;
1089
1090 lpLayout->pwpos->hwnd = hwnd;
1091 lpLayout->pwpos->hwndInsertAfter = 0;
1092 lpLayout->pwpos->x = lpLayout->prc->left;
1093 lpLayout->pwpos->y = lpLayout->prc->top;
1094 lpLayout->pwpos->cx = lpLayout->prc->right - lpLayout->prc->left;
1095 if (GetWindowLongW (hwnd, GWL_STYLE) & HDS_HIDDEN)
1096 lpLayout->pwpos->cy = 0;
1097 else {
1098 lpLayout->pwpos->cy = infoPtr->nHeight;
1099 lpLayout->prc->top += infoPtr->nHeight;
1100 }
1101 lpLayout->pwpos->flags = SWP_NOZORDER;
1102
1103 TRACE("Layout x=%d y=%d cx=%d cy=%d\n",
1104 lpLayout->pwpos->x, lpLayout->pwpos->y,
1105 lpLayout->pwpos->cx, lpLayout->pwpos->cy);
1106
1107 infoPtr->bRectsValid = FALSE;
1108
1109 return TRUE;
1110 }
1111
1112
1113 static LRESULT
1114 HEADER_SetImageList (HWND hwnd, HIMAGELIST himl)
1115 {
1116 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1117 HIMAGELIST himlOld;
1118
1119 TRACE("(himl 0x%x)\n", (int)himl);
1120 himlOld = infoPtr->himl;
1121 infoPtr->himl = himl;
1122
1123 /* FIXME: Refresh needed??? */
1124
1125 return (LRESULT)himlOld;
1126 }
1127
1128
1129 static LRESULT
1130 HEADER_GetBitmapMargin(HWND hwnd)
1131 {
1132 HEADER_INFO *infoPtr = HEADER_GetInfoPtr(hwnd);
1133
1134 return infoPtr->iMargin;
1135 }
1136
1137 static LRESULT
1138 HEADER_SetBitmapMargin(HWND hwnd, WPARAM wParam)
1139 {
1140 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1141 INT oldMargin = infoPtr->iMargin;
1142
1143 infoPtr->iMargin = (INT)wParam;
1144
1145 return oldMargin;
1146 }
1147
1148 static LRESULT
1149 HEADER_SetItemA (HWND hwnd, WPARAM wParam, LPARAM lParam)
1150 {
1151 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1152 HDITEMA *phdi = (HDITEMA*)lParam;
1153 INT nItem = (INT)wParam;
1154 HEADER_ITEM *lpItem;
1155
1156 if (phdi == NULL)
1157 return FALSE;
1158 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
1159 return FALSE;
1160
1161 TRACE("[nItem=%d]\n", nItem);
1162
1163 if (HEADER_SendHeaderNotify (hwnd, HDN_ITEMCHANGINGA, nItem, phdi->mask))
1164 return FALSE;
1165
1166 lpItem = &infoPtr->items[nItem];
1167 if (phdi->mask & HDI_BITMAP)
1168 lpItem->hbm = phdi->hbm;
1169
1170 if (phdi->mask & HDI_FORMAT)
1171 lpItem->fmt = phdi->fmt;
1172
1173 if (phdi->mask & HDI_LPARAM)
1174 lpItem->lParam = phdi->lParam;
1175
1176 if (phdi->mask & HDI_TEXT) {
1177 if (phdi->pszText != LPSTR_TEXTCALLBACKA) {
1178 if (lpItem->pszText) {
1179 Free (lpItem->pszText);
1180 lpItem->pszText = NULL;
1181 }
1182 if (phdi->pszText) {
1183 INT len = MultiByteToWideChar (CP_ACP,0,phdi->pszText,-1,NULL,0);
1184 lpItem->pszText = Alloc( len*sizeof(WCHAR) );
1185 MultiByteToWideChar (CP_ACP,0,phdi->pszText,-1,lpItem->pszText,len);
1186 }
1187 }
1188 else
1189 lpItem->pszText = LPSTR_TEXTCALLBACKW;
1190 }
1191
1192 if (phdi->mask & HDI_WIDTH)
1193 lpItem->cxy = phdi->cxy;
1194
1195 if (phdi->mask & HDI_IMAGE)
1196 lpItem->iImage = phdi->iImage;
1197
1198 if (phdi->mask & HDI_ORDER)
1199 {
1200 lpItem->iOrder = phdi->iOrder;
1201 }
1202
1203 HEADER_SendHeaderNotify (hwnd, HDN_ITEMCHANGEDA, nItem, phdi->mask);
1204
1205 HEADER_SetItemBounds (hwnd);
1206
1207 InvalidateRect(hwnd, NULL, FALSE);
1208
1209 return TRUE;
1210 }
1211
1212
1213 static LRESULT
1214 HEADER_SetItemW (HWND hwnd, WPARAM wParam, LPARAM lParam)
1215 {
1216 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1217 HDITEMW *phdi = (HDITEMW*)lParam;
1218 INT nItem = (INT)wParam;
1219 HEADER_ITEM *lpItem;
1220
1221 if (phdi == NULL)
1222 return FALSE;
1223 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
1224 return FALSE;
1225
1226 TRACE("[nItem=%d]\n", nItem);
1227
1228 if (HEADER_SendHeaderNotify (hwnd, HDN_ITEMCHANGINGW, nItem, phdi->mask))
1229 return FALSE;
1230
1231 lpItem = &infoPtr->items[nItem];
1232 if (phdi->mask & HDI_BITMAP)
1233 lpItem->hbm = phdi->hbm;
1234
1235 if (phdi->mask & HDI_FORMAT)
1236 lpItem->fmt = phdi->fmt;
1237
1238 if (phdi->mask & HDI_LPARAM)
1239 lpItem->lParam = phdi->lParam;
1240
1241 if (phdi->mask & HDI_TEXT) {
1242 if (phdi->pszText != LPSTR_TEXTCALLBACKW) {
1243 if (lpItem->pszText) {
1244 Free (lpItem->pszText);
1245 lpItem->pszText = NULL;
1246 }
1247 if (phdi->pszText) {
1248 INT len = strlenW (phdi->pszText);
1249 lpItem->pszText = Alloc ((len+1)*sizeof(WCHAR));
1250 strcpyW (lpItem->pszText, phdi->pszText);
1251 }
1252 }
1253 else
1254 lpItem->pszText = LPSTR_TEXTCALLBACKW;
1255 }
1256
1257 if (phdi->mask & HDI_WIDTH)
1258 lpItem->cxy = phdi->cxy;
1259
1260 if (phdi->mask & HDI_IMAGE)
1261 lpItem->iImage = phdi->iImage;
1262
1263 if (phdi->mask & HDI_ORDER)
1264 {
1265 lpItem->iOrder = phdi->iOrder;
1266 }
1267
1268 HEADER_SendHeaderNotify(hwnd, HDN_ITEMCHANGEDW, nItem, phdi->mask);
1269
1270 HEADER_SetItemBounds (hwnd);
1271
1272 InvalidateRect(hwnd, NULL, FALSE);
1273
1274 return TRUE;
1275 }
1276
1277 inline static LRESULT
1278 HEADER_SetUnicodeFormat (HWND hwnd, WPARAM wParam)
1279 {
1280 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1281 BOOL bTemp = infoPtr->bUnicode;
1282
1283 infoPtr->bUnicode = (BOOL)wParam;
1284
1285 return bTemp;
1286 }
1287
1288
1289 static LRESULT
1290 HEADER_Create (HWND hwnd, WPARAM wParam, LPARAM lParam)
1291 {
1292 HEADER_INFO *infoPtr;
1293 TEXTMETRICW tm;
1294 HFONT hOldFont;
1295 HDC hdc;
1296
1297 infoPtr = (HEADER_INFO *)Alloc (sizeof(HEADER_INFO));
1298 SetWindowLongPtrW (hwnd, 0, (DWORD_PTR)infoPtr);
1299
1300 infoPtr->hwndNotify = ((LPCREATESTRUCTA)lParam)->hwndParent;
1301 infoPtr->uNumItem = 0;
1302 infoPtr->hFont = 0;
1303 infoPtr->items = 0;
1304 infoPtr->bRectsValid = FALSE;
1305 infoPtr->hcurArrow = LoadCursorW (0, (LPWSTR)IDC_ARROW);
1306 infoPtr->hcurDivider = LoadCursorW (COMCTL32_hModule, MAKEINTRESOURCEW(IDC_DIVIDER));
1307 infoPtr->hcurDivopen = LoadCursorW (COMCTL32_hModule, MAKEINTRESOURCEW(IDC_DIVIDEROPEN));
1308 infoPtr->bPressed = FALSE;
1309 infoPtr->bTracking = FALSE;
1310 infoPtr->iMoveItem = 0;
1311 infoPtr->himl = 0;
1312 infoPtr->iHotItem = -1;
1313 infoPtr->bUnicode = IsWindowUnicode (hwnd);
1314 infoPtr->iMargin = 3*GetSystemMetrics(SM_CXEDGE);
1315 infoPtr->nNotifyFormat =
1316 SendMessageW (infoPtr->hwndNotify, WM_NOTIFYFORMAT, (WPARAM)hwnd, NF_QUERY);
1317
1318 hdc = GetDC (0);
1319 hOldFont = SelectObject (hdc, GetStockObject (SYSTEM_FONT));
1320 GetTextMetricsW (hdc, &tm);
1321 infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
1322 SelectObject (hdc, hOldFont);
1323 ReleaseDC (0, hdc);
1324
1325 return 0;
1326 }
1327
1328
1329 static LRESULT
1330 HEADER_Destroy (HWND hwnd, WPARAM wParam, LPARAM lParam)
1331 {
1332 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1333 HEADER_ITEM *lpItem;
1334 INT nItem;
1335
1336 if (infoPtr->items) {
1337 lpItem = infoPtr->items;
1338 for (nItem = 0; nItem < infoPtr->uNumItem; nItem++, lpItem++) {
1339 if ((lpItem->pszText) && (lpItem->pszText != LPSTR_TEXTCALLBACKW))
1340 Free (lpItem->pszText);
1341 }
1342 Free (infoPtr->items);
1343 }
1344
1345 if (infoPtr->himl)
1346 ImageList_Destroy (infoPtr->himl);
1347
1348 SetWindowLongPtrW (hwnd, 0, 0);
1349 Free (infoPtr);
1350 return 0;
1351 }
1352
1353
1354 static inline LRESULT
1355 HEADER_GetFont (HWND hwnd)
1356 {
1357 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1358
1359 return (LRESULT)infoPtr->hFont;
1360 }
1361
1362
1363 static LRESULT
1364 HEADER_LButtonDblClk (HWND hwnd, WPARAM wParam, LPARAM lParam)
1365 {
1366 POINT pt;
1367 UINT flags;
1368 INT nItem;
1369
1370 pt.x = (INT)LOWORD(lParam);
1371 pt.y = (INT)HIWORD(lParam);
1372 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1373
1374 if ((GetWindowLongW (hwnd, GWL_STYLE) & HDS_BUTTONS) && (flags == HHT_ONHEADER))
1375 HEADER_SendHeaderNotify (hwnd, HDN_ITEMDBLCLICKA, nItem,0);
1376 else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN))
1377 HEADER_SendHeaderNotify (hwnd, HDN_DIVIDERDBLCLICKA, nItem,0);
1378
1379 return 0;
1380 }
1381
1382
1383 static LRESULT
1384 HEADER_LButtonDown (HWND hwnd, WPARAM wParam, LPARAM lParam)
1385 {
1386 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1387 DWORD dwStyle = GetWindowLongW (hwnd, GWL_STYLE);
1388 POINT pt;
1389 UINT flags;
1390 INT nItem;
1391 HDC hdc;
1392
1393 pt.x = (INT)LOWORD(lParam);
1394 pt.y = (INT)HIWORD(lParam);
1395 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1396
1397 if ((dwStyle & HDS_BUTTONS) && (flags == HHT_ONHEADER)) {
1398 SetCapture (hwnd);
1399 infoPtr->bCaptured = TRUE;
1400 infoPtr->bPressed = TRUE;
1401 infoPtr->iMoveItem = nItem;
1402
1403 infoPtr->items[nItem].bDown = TRUE;
1404
1405 /* Send WM_CUSTOMDRAW */
1406 hdc = GetDC (hwnd);
1407 HEADER_RefreshItem (hwnd, hdc, nItem);
1408 ReleaseDC (hwnd, hdc);
1409
1410 TRACE("Pressed item %d!\n", nItem);
1411 }
1412 else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN)) {
1413 if (!(HEADER_SendHeaderNotify (hwnd, HDN_BEGINTRACKA, nItem,0))) {
1414 SetCapture (hwnd);
1415 infoPtr->bCaptured = TRUE;
1416 infoPtr->bTracking = TRUE;
1417 infoPtr->iMoveItem = nItem;
1418 infoPtr->nOldWidth = infoPtr->items[nItem].cxy;
1419 infoPtr->xTrackOffset = infoPtr->items[nItem].rect.right - pt.x;
1420
1421 if (!(dwStyle & HDS_FULLDRAG)) {
1422 infoPtr->xOldTrack = infoPtr->items[nItem].rect.right;
1423 hdc = GetDC (hwnd);
1424 HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
1425 ReleaseDC (hwnd, hdc);
1426 }
1427
1428 TRACE("Begin tracking item %d!\n", nItem);
1429 }
1430 }
1431
1432 return 0;
1433 }
1434
1435
1436 static LRESULT
1437 HEADER_LButtonUp (HWND hwnd, WPARAM wParam, LPARAM lParam)
1438 {
1439 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1440 /*
1441 *DWORD dwStyle = GetWindowLongW (hwnd, GWL_STYLE);
1442 */
1443 POINT pt;
1444 UINT flags;
1445 INT nItem, nWidth;
1446 HDC hdc;
1447
1448 pt.x = (INT)(SHORT)LOWORD(lParam);
1449 pt.y = (INT)(SHORT)HIWORD(lParam);
1450 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1451
1452 if (infoPtr->bPressed) {
1453 if ((nItem == infoPtr->iMoveItem) && (flags == HHT_ONHEADER)) {
1454 infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
1455 hdc = GetDC (hwnd);
1456 HEADER_RefreshItem (hwnd, hdc, infoPtr->iMoveItem);
1457 ReleaseDC (hwnd, hdc);
1458
1459 HEADER_SendClickNotify (hwnd, HDN_ITEMCLICKA, infoPtr->iMoveItem);
1460 }
1461 else if (flags == HHT_ONHEADER)
1462 {
1463 HEADER_ITEM *lpItem;
1464 INT newindex = HEADER_IndexToOrder(hwnd,nItem);
1465 INT oldindex = HEADER_IndexToOrder(hwnd,infoPtr->iMoveItem);
1466
1467 TRACE("Exchanging [index:order] [%d:%d] [%d:%d]\n",
1468 infoPtr->iMoveItem,oldindex,nItem,newindex);
1469 lpItem= &infoPtr->items[nItem];
1470 lpItem->iOrder=oldindex;
1471
1472 lpItem= &infoPtr->items[infoPtr->iMoveItem];
1473 lpItem->iOrder = newindex;
1474
1475 infoPtr->bRectsValid = FALSE;
1476 InvalidateRect(hwnd, NULL, FALSE);
1477 /* FIXME: Should some WM_NOTIFY be sent */
1478 }
1479
1480 TRACE("Released item %d!\n", infoPtr->iMoveItem);
1481 infoPtr->bPressed = FALSE;
1482 }
1483 else if (infoPtr->bTracking) {
1484 TRACE("End tracking item %d!\n", infoPtr->iMoveItem);
1485 infoPtr->bTracking = FALSE;
1486
1487 HEADER_SendHeaderNotify (hwnd, HDN_ENDTRACKA, infoPtr->iMoveItem,HDI_WIDTH);
1488
1489 /*
1490 * we want to do this even for HDS_FULLDRAG because this is where
1491 * we send the HDN_ITEMCHANGING and HDN_ITEMCHANGED notifications
1492 *
1493 * if (!(dwStyle & HDS_FULLDRAG)) {
1494 */
1495
1496 hdc = GetDC (hwnd);
1497 HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
1498 ReleaseDC (hwnd, hdc);
1499 if (HEADER_SendHeaderNotify(hwnd, HDN_ITEMCHANGINGA, infoPtr->iMoveItem, HDI_WIDTH))
1500 {
1501 infoPtr->items[infoPtr->iMoveItem].cxy = infoPtr->nOldWidth;
1502 }
1503 else {
1504 nWidth = pt.x - infoPtr->items[infoPtr->iMoveItem].rect.left + infoPtr->xTrackOffset;
1505 if (nWidth < 0)
1506 nWidth = 0;
1507 infoPtr->items[infoPtr->iMoveItem].cxy = nWidth;
1508 }
1509
1510 HEADER_SetItemBounds (hwnd);
1511 InvalidateRect(hwnd, NULL, TRUE);
1512 HEADER_SendHeaderNotify(hwnd, HDN_ITEMCHANGEDA, infoPtr->iMoveItem, HDI_WIDTH);
1513 /*
1514 * }
1515 */
1516 }
1517
1518 if (infoPtr->bCaptured) {
1519 infoPtr->bCaptured = FALSE;
1520 ReleaseCapture ();
1521 HEADER_SendSimpleNotify (hwnd, NM_RELEASEDCAPTURE);
1522 }
1523
1524 return 0;
1525 }
1526
1527
1528 static LRESULT
1529 HEADER_NotifyFormat (HWND hwnd, WPARAM wParam, LPARAM lParam)
1530 {
1531 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1532
1533 switch (lParam)
1534 {
1535 case NF_QUERY:
1536 return infoPtr->nNotifyFormat;
1537
1538 case NF_REQUERY:
1539 infoPtr->nNotifyFormat =
1540 SendMessageW ((HWND)wParam, WM_NOTIFYFORMAT,
1541 (WPARAM)hwnd, (LPARAM)NF_QUERY);
1542 return infoPtr->nNotifyFormat;
1543 }
1544
1545 return 0;
1546 }
1547
1548
1549 static LRESULT
1550 HEADER_MouseMove (HWND hwnd, WPARAM wParam, LPARAM lParam)
1551 {
1552 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1553 DWORD dwStyle = GetWindowLongW (hwnd, GWL_STYLE);
1554 POINT pt;
1555 UINT flags;
1556 INT nItem, nWidth;
1557 HDC hdc;
1558
1559 pt.x = (INT)(SHORT)LOWORD(lParam);
1560 pt.y = (INT)(SHORT)HIWORD(lParam);
1561 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1562
1563 if ((dwStyle & HDS_BUTTONS) && (dwStyle & HDS_HOTTRACK)) {
1564 if (flags & (HHT_ONHEADER | HHT_ONDIVIDER | HHT_ONDIVOPEN))
1565 infoPtr->iHotItem = nItem;
1566 else
1567 infoPtr->iHotItem = -1;
1568 InvalidateRect(hwnd, NULL, FALSE);
1569 }
1570
1571 if (infoPtr->bCaptured) {
1572 if (infoPtr->bPressed) {
1573 if ((nItem == infoPtr->iMoveItem) && (flags == HHT_ONHEADER))
1574 infoPtr->items[infoPtr->iMoveItem].bDown = TRUE;
1575 else
1576 infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
1577 hdc = GetDC (hwnd);
1578 HEADER_RefreshItem (hwnd, hdc, infoPtr->iMoveItem);
1579 ReleaseDC (hwnd, hdc);
1580
1581 TRACE("Moving pressed item %d!\n", infoPtr->iMoveItem);
1582 }
1583 else if (infoPtr->bTracking) {
1584 if (dwStyle & HDS_FULLDRAG) {
1585 if (HEADER_SendHeaderNotify (hwnd, HDN_TRACKA, infoPtr->iMoveItem, HDI_WIDTH))
1586 {
1587 nWidth = pt.x - infoPtr->items[infoPtr->iMoveItem].rect.left + infoPtr->xTrackOffset;
1588 if (nWidth < 0)
1589 nWidth = 0;
1590 infoPtr->items[infoPtr->iMoveItem].cxy = nWidth;
1591 HEADER_SendHeaderNotify(hwnd, HDN_ITEMCHANGEDA, infoPtr->iMoveItem, HDI_WIDTH);
1592 }
1593 HEADER_SetItemBounds (hwnd);
1594 }
1595 else {
1596 hdc = GetDC (hwnd);
1597 HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
1598 infoPtr->xOldTrack = pt.x + infoPtr->xTrackOffset;
1599 if (infoPtr->xOldTrack < infoPtr->items[infoPtr->iMoveItem].rect.left)
1600 infoPtr->xOldTrack = infoPtr->items[infoPtr->iMoveItem].rect.left;
1601 infoPtr->items[infoPtr->iMoveItem].cxy =
1602 infoPtr->xOldTrack - infoPtr->items[infoPtr->iMoveItem].rect.left;
1603 HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
1604 ReleaseDC (hwnd, hdc);
1605 HEADER_SendHeaderNotify (hwnd, HDN_TRACKA, infoPtr->iMoveItem, HDI_WIDTH);
1606 }
1607
1608 TRACE("Tracking item %d!\n", infoPtr->iMoveItem);
1609 }
1610 }
1611
1612 if ((dwStyle & HDS_BUTTONS) && (dwStyle & HDS_HOTTRACK)) {
1613 FIXME("hot track support!\n");
1614 }
1615
1616 return 0;
1617 }
1618
1619
1620 static LRESULT
1621 HEADER_Paint (HWND hwnd, WPARAM wParam)
1622 {
1623 HDC hdc;
1624 PAINTSTRUCT ps;
1625
1626 hdc = wParam==0 ? BeginPaint (hwnd, &ps) : (HDC)wParam;
1627 HEADER_Refresh (hwnd, hdc);
1628 if(!wParam)
1629 EndPaint (hwnd, &ps);
1630 return 0;
1631 }
1632
1633
1634 static LRESULT
1635 HEADER_RButtonUp (HWND hwnd, WPARAM wParam, LPARAM lParam)
1636 {
1637 BOOL bRet;
1638 POINT pt;
1639
1640 pt.x = LOWORD(lParam);
1641 pt.y = HIWORD(lParam);
1642
1643 /* Send a Notify message */
1644 bRet = HEADER_SendSimpleNotify (hwnd, NM_RCLICK);
1645
1646 /* Change to screen coordinate for WM_CONTEXTMENU */
1647 ClientToScreen(hwnd, &pt);
1648
1649 /* Send a WM_CONTEXTMENU message in response to the RBUTTONUP */
1650 SendMessageW( hwnd, WM_CONTEXTMENU, (WPARAM) hwnd, MAKELPARAM(pt.x, pt.y));
1651
1652 return bRet;
1653 }
1654
1655
1656 static LRESULT
1657 HEADER_SetCursor (HWND hwnd, WPARAM wParam, LPARAM lParam)
1658 {
1659 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1660 POINT pt;
1661 UINT flags;
1662 INT nItem;
1663
1664 TRACE("code=0x%X id=0x%X\n", LOWORD(lParam), HIWORD(lParam));
1665
1666 GetCursorPos (&pt);
1667 ScreenToClient (hwnd, &pt);
1668
1669 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1670
1671 if (flags == HHT_ONDIVIDER)
1672 SetCursor (infoPtr->hcurDivider);
1673 else if (flags == HHT_ONDIVOPEN)
1674 SetCursor (infoPtr->hcurDivopen);
1675 else
1676 SetCursor (infoPtr->hcurArrow);
1677
1678 return 0;
1679 }
1680
1681
1682 static LRESULT
1683 HEADER_SetFont (HWND hwnd, WPARAM wParam, LPARAM lParam)
1684 {
1685 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1686 TEXTMETRICW tm;
1687 HFONT hFont, hOldFont;
1688 HDC hdc;
1689
1690 infoPtr->hFont = (HFONT)wParam;
1691
1692 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT);
1693
1694 hdc = GetDC (0);
1695 hOldFont = SelectObject (hdc, hFont);
1696 GetTextMetricsW (hdc, &tm);
1697 infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
1698 SelectObject (hdc, hOldFont);
1699 ReleaseDC (0, hdc);
1700
1701 infoPtr->bRectsValid = FALSE;
1702
1703 if (lParam) {
1704 InvalidateRect(hwnd, NULL, FALSE);
1705 }
1706
1707 return 0;
1708 }
1709
1710
1711 static LRESULT WINAPI
1712 HEADER_WindowProc (HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
1713 {
1714 TRACE("hwnd=%p msg=%x wparam=%x lParam=%lx\n", hwnd, msg, wParam, lParam);
1715 if (!HEADER_GetInfoPtr (hwnd) && (msg != WM_CREATE))
1716 return DefWindowProcW (hwnd, msg, wParam, lParam);
1717 switch (msg) {
1718 /* case HDM_CLEARFILTER: */
1719
1720 case HDM_CREATEDRAGIMAGE:
1721 return HEADER_CreateDragImage (hwnd, wParam);
1722
1723 case HDM_DELETEITEM:
1724 return HEADER_DeleteItem (hwnd, wParam);
1725
1726 /* case HDM_EDITFILTER: */
1727
1728 case HDM_GETBITMAPMARGIN:
1729 return HEADER_GetBitmapMargin(hwnd);
1730
1731 case HDM_GETIMAGELIST:
1732 return HEADER_GetImageList (hwnd);
1733
1734 case HDM_GETITEMA:
1735 return HEADER_GetItemA (hwnd, wParam, lParam);
1736
1737 case HDM_GETITEMW:
1738 return HEADER_GetItemW (hwnd, wParam, lParam);
1739
1740 case HDM_GETITEMCOUNT:
1741 return HEADER_GetItemCount (hwnd);
1742
1743 case HDM_GETITEMRECT:
1744 return HEADER_GetItemRect (hwnd, wParam, lParam);
1745
1746 case HDM_GETORDERARRAY:
1747 return HEADER_GetOrderArray(hwnd, wParam, lParam);
1748
1749 case HDM_GETUNICODEFORMAT:
1750 return HEADER_GetUnicodeFormat (hwnd);
1751
1752 case HDM_HITTEST:
1753 return HEADER_HitTest (hwnd, wParam, lParam);
1754
1755 case HDM_INSERTITEMA:
1756 return HEADER_InsertItemA (hwnd, wParam, lParam);
1757
1758 case HDM_INSERTITEMW:
1759 return HEADER_InsertItemW (hwnd, wParam, lParam);
1760
1761 case HDM_LAYOUT:
1762 return HEADER_Layout (hwnd, wParam, lParam);
1763
1764 case HDM_ORDERTOINDEX:
1765 return HEADER_OrderToIndex(hwnd, wParam);
1766
1767 case HDM_SETBITMAPMARGIN:
1768 return HEADER_SetBitmapMargin(hwnd, wParam);
1769
1770 /* case HDM_SETFILTERCHANGETIMEOUT: */
1771
1772 /* case HDM_SETHOTDIVIDER: */
1773
1774 case HDM_SETIMAGELIST:
1775 return HEADER_SetImageList (hwnd, (HIMAGELIST)lParam);
1776
1777 case HDM_SETITEMA:
1778 return HEADER_SetItemA (hwnd, wParam, lParam);
1779
1780 case HDM_SETITEMW:
1781 return HEADER_SetItemW (hwnd, wParam, lParam);
1782
1783 case HDM_SETORDERARRAY:
1784 return HEADER_SetOrderArray(hwnd, wParam, lParam);
1785
1786 case HDM_SETUNICODEFORMAT:
1787 return HEADER_SetUnicodeFormat (hwnd, wParam);
1788
1789 case WM_CREATE:
1790 return HEADER_Create (hwnd, wParam, lParam);
1791
1792 case WM_DESTROY:
1793 return HEADER_Destroy (hwnd, wParam, lParam);
1794
1795 case WM_ERASEBKGND:
1796 return 1;
1797
1798 case WM_GETDLGCODE:
1799 return DLGC_WANTTAB | DLGC_WANTARROWS;
1800
1801 case WM_GETFONT:
1802 return HEADER_GetFont (hwnd);
1803
1804 case WM_LBUTTONDBLCLK:
1805 return HEADER_LButtonDblClk (hwnd, wParam, lParam);
1806
1807 case WM_LBUTTONDOWN:
1808 return HEADER_LButtonDown (hwnd, wParam, lParam);
1809
1810 case WM_LBUTTONUP:
1811 return HEADER_LButtonUp (hwnd, wParam, lParam);
1812
1813 case WM_MOUSEMOVE:
1814 return HEADER_MouseMove (hwnd, wParam, lParam);
1815
1816 case WM_NOTIFYFORMAT:
1817 return HEADER_NotifyFormat (hwnd, wParam, lParam);
1818
1819 case WM_SIZE:
1820 return HEADER_Size (hwnd, wParam);
1821
1822 case WM_PAINT:
1823 return HEADER_Paint (hwnd, wParam);
1824
1825 case WM_RBUTTONUP:
1826 return HEADER_RButtonUp (hwnd, wParam, lParam);
1827
1828 case WM_SETCURSOR:
1829 return HEADER_SetCursor (hwnd, wParam, lParam);
1830
1831 case WM_SETFONT:
1832 return HEADER_SetFont (hwnd, wParam, lParam);
1833
1834 default:
1835 if ((msg >= WM_USER) && (msg < WM_APP))
1836 ERR("unknown msg %04x wp=%04x lp=%08lx\n",
1837 msg, wParam, lParam );
1838 return DefWindowProcA (hwnd, msg, wParam, lParam);
1839 }
1840 }
1841
1842
1843 VOID
1844 HEADER_Register (void)
1845 {
1846 WNDCLASSW wndClass;
1847
1848 ZeroMemory (&wndClass, sizeof(WNDCLASSW));
1849 wndClass.style = CS_GLOBALCLASS | CS_DBLCLKS;
1850 wndClass.lpfnWndProc = HEADER_WindowProc;
1851 wndClass.cbClsExtra = 0;
1852 wndClass.cbWndExtra = sizeof(HEADER_INFO *);
1853 wndClass.hCursor = LoadCursorW (0, (LPWSTR)IDC_ARROW);
1854 wndClass.lpszClassName = WC_HEADERW;
1855
1856 RegisterClassW (&wndClass);
1857 }
1858
1859
1860 VOID
1861 HEADER_Unregister (void)
1862 {
1863 UnregisterClassW (WC_HEADERW, NULL);
1864 }
Work in progress by Kai Blin