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Move OpenQuery into msiquery.c and make it non-static.
[wine/testsucceed.git] / dlls / comctl32 / header.c
blobc58d11061a9e3dce1645633428564cc3b6ac92b3
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
692 TRACE("[nItem=%d]\n", nItem);
693
694 if (phdi->mask == 0)
695 return TRUE;
696
697 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem)) {
698 lpItem = NULL;
699 }
700 else {
701 lpItem = &infoPtr->items[nItem];
702 }
703
704 if (phdi->mask & HDI_BITMAP)
705 phdi->hbm = (lpItem != NULL) ? lpItem->hbm : 0;
706
707 if (phdi->mask & HDI_FORMAT)
708 phdi->fmt = (lpItem != NULL) ? lpItem->fmt : 0;
709
710 if (phdi->mask & HDI_WIDTH)
711 phdi->cxy = (lpItem != NULL) ? lpItem->cxy : 0;
712
713 if (phdi->mask & HDI_LPARAM)
714 phdi->lParam = (lpItem != NULL) ? lpItem->lParam : 0;
715
716 if (phdi->mask & HDI_TEXT) {
717 if (lpItem == NULL) {
718 *phdi->pszText = 0;
719 }
720 else if (lpItem->pszText != LPSTR_TEXTCALLBACKW) {
721 if (lpItem->pszText)
722 WideCharToMultiByte (CP_ACP, 0, lpItem->pszText, -1,
723 phdi->pszText, phdi->cchTextMax, NULL, NULL);
724 else
725 *phdi->pszText = 0;
726 }
727 else
728 phdi->pszText = LPSTR_TEXTCALLBACKA;
729 }
730
731 if (phdi->mask & HDI_IMAGE)
732 phdi->iImage = (lpItem != NULL) ? lpItem->iImage : 0;
733
734 if (phdi->mask & HDI_ORDER)
735 phdi->iOrder = (lpItem != NULL) ? lpItem->iOrder : 0;
736
737 return TRUE;
738 }
739
740
741 static LRESULT
742 HEADER_GetItemW (HWND hwnd, WPARAM wParam, LPARAM lParam)
743 {
744 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
745 HDITEMW *phdi = (HDITEMW*)lParam;
746 INT nItem = (INT)wParam;
747 HEADER_ITEM *lpItem;
748
749 if (!phdi)
750 return FALSE;
751
752 TRACE("[nItem=%d]\n", nItem);
753
754 if (phdi->mask == 0)
755 return TRUE;
756
757 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem)) {
758 lpItem = NULL;
759 }
760 else {
761 lpItem = &infoPtr->items[nItem];
762 }
763
764 if (phdi->mask & HDI_BITMAP)
765 phdi->hbm = (lpItem != NULL) ? lpItem->hbm : 0;
766
767 if (phdi->mask & HDI_FORMAT)
768 phdi->fmt = (lpItem != NULL) ? lpItem->fmt : 0;
769
770 if (phdi->mask & HDI_WIDTH)
771 phdi->cxy = (lpItem != NULL) ? lpItem->cxy : 0;
772
773 if (phdi->mask & HDI_LPARAM)
774 phdi->lParam = (lpItem != NULL) ? lpItem->lParam : 0;
775
776 if (phdi->mask & HDI_TEXT) {
777 if (lpItem == NULL) {
778 *phdi->pszText = 0;
779 }
780 else if (lpItem->pszText != LPSTR_TEXTCALLBACKW) {
781 if (lpItem->pszText)
782 lstrcpynW (phdi->pszText, lpItem->pszText, phdi->cchTextMax);
783 else
784 *phdi->pszText = 0;
785 }
786 else
787 phdi->pszText = LPSTR_TEXTCALLBACKW;
788 }
789
790 if (phdi->mask & HDI_IMAGE)
791 phdi->iImage = (lpItem != NULL) ? lpItem->iImage : 0;
792
793 if (phdi->mask & HDI_ORDER)
794 phdi->iOrder = (lpItem != NULL) ? lpItem->iOrder : 0;
795
796 return TRUE;
797 }
798
799
800 inline static LRESULT
801 HEADER_GetItemCount (HWND hwnd)
802 {
803 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
804 return infoPtr->uNumItem;
805 }
806
807
808 static LRESULT
809 HEADER_GetItemRect (HWND hwnd, WPARAM wParam, LPARAM lParam)
810 {
811 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
812 INT iItem = (INT)wParam;
813 LPRECT lpRect = (LPRECT)lParam;
814
815 if ((iItem < 0) || (iItem >= (INT)infoPtr->uNumItem))
816 return FALSE;
817
818 lpRect->left = infoPtr->items[iItem].rect.left;
819 lpRect->right = infoPtr->items[iItem].rect.right;
820 lpRect->top = infoPtr->items[iItem].rect.top;
821 lpRect->bottom = infoPtr->items[iItem].rect.bottom;
822
823 return TRUE;
824 }
825
826
827 static LRESULT
828 HEADER_GetOrderArray(HWND hwnd, WPARAM wParam, LPARAM lParam)
829 {
830 int i;
831 LPINT order = (LPINT) lParam;
832 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
833
834 if ((unsigned int)wParam <infoPtr->uNumItem)
835 return FALSE;
836 for (i=0; i<(int)wParam; i++)
837 *order++=HEADER_OrderToIndex(hwnd,i);
838 return TRUE;
839 }
840
841 static LRESULT
842 HEADER_SetOrderArray(HWND hwnd, WPARAM wParam, LPARAM lParam)
843 {
844 int i;
845 LPINT order = (LPINT) lParam;
846 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
847 HEADER_ITEM *lpItem;
848
849 if ((unsigned int)wParam <infoPtr->uNumItem)
850 return FALSE;
851 for (i=0; i<(int)wParam; i++)
852 {
853 lpItem = &infoPtr->items[*order++];
854 lpItem->iOrder=i;
855 }
856 infoPtr->bRectsValid=0;
857 InvalidateRect(hwnd, NULL, FALSE);
858 return TRUE;
859 }
860
861 inline static LRESULT
862 HEADER_GetUnicodeFormat (HWND hwnd)
863 {
864 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
865 return infoPtr->bUnicode;
866 }
867
868
869 static LRESULT
870 HEADER_HitTest (HWND hwnd, WPARAM wParam, LPARAM lParam)
871 {
872 LPHDHITTESTINFO phti = (LPHDHITTESTINFO)lParam;
873
874 HEADER_InternalHitTest (hwnd, &phti->pt, &phti->flags, &phti->iItem);
875
876 if (phti->flags == HHT_NOWHERE)
877 return -1;
878 else
879 return phti->iItem;
880 }
881
882
883 static LRESULT
884 HEADER_InsertItemA (HWND hwnd, WPARAM wParam, LPARAM lParam)
885 {
886 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
887 HDITEMA *phdi = (HDITEMA*)lParam;
888 INT nItem = (INT)wParam;
889 HEADER_ITEM *lpItem;
890 INT len, iOrder;
891 UINT i;
892
893 if ((phdi == NULL) || (nItem < 0))
894 return -1;
895
896 if (nItem > infoPtr->uNumItem)
897 nItem = infoPtr->uNumItem;
898
899 iOrder = (phdi->mask & HDI_ORDER) ? phdi->iOrder : nItem;
900
901 if (infoPtr->uNumItem == 0) {
902 infoPtr->items = Alloc (sizeof (HEADER_ITEM));
903 infoPtr->uNumItem++;
904 }
905 else {
906 HEADER_ITEM *oldItems = infoPtr->items;
907
908 infoPtr->uNumItem++;
909 infoPtr->items = Alloc (sizeof (HEADER_ITEM) * infoPtr->uNumItem);
910 if (nItem == 0) {
911 memcpy (&infoPtr->items[1], &oldItems[0],
912 (infoPtr->uNumItem-1) * sizeof(HEADER_ITEM));
913 }
914 else
915 {
916 /* pre insert copy */
917 if (nItem > 0) {
918 memcpy (&infoPtr->items[0], &oldItems[0],
919 nItem * sizeof(HEADER_ITEM));
920 }
921
922 /* post insert copy */
923 if (nItem < infoPtr->uNumItem - 1) {
924 memcpy (&infoPtr->items[nItem+1], &oldItems[nItem],
925 (infoPtr->uNumItem - nItem - 1) * sizeof(HEADER_ITEM));
926 }
927 }
928
929 Free (oldItems);
930 }
931
932 for (i=0; i < infoPtr->uNumItem; i++)
933 {
934 if (infoPtr->items[i].iOrder >= iOrder)
935 infoPtr->items[i].iOrder++;
936 }
937
938 lpItem = &infoPtr->items[nItem];
939 lpItem->bDown = FALSE;
940
941 if (phdi->mask & HDI_WIDTH)
942 lpItem->cxy = phdi->cxy;
943
944 if (phdi->mask & HDI_TEXT) {
945 if (!phdi->pszText) /* null pointer check */
946 phdi->pszText = "";
947 if (phdi->pszText != LPSTR_TEXTCALLBACKA) {
948 len = MultiByteToWideChar(CP_ACP, 0, phdi->pszText, -1, NULL, 0);
949 lpItem->pszText = Alloc( len*sizeof(WCHAR) );
950 MultiByteToWideChar(CP_ACP, 0, phdi->pszText, -1, lpItem->pszText, len);
951 }
952 else
953 lpItem->pszText = LPSTR_TEXTCALLBACKW;
954 }
955
956 if (phdi->mask & HDI_FORMAT)
957 lpItem->fmt = phdi->fmt;
958
959 if (lpItem->fmt == 0)
960 lpItem->fmt = HDF_LEFT;
961
962 if (!(lpItem->fmt & HDF_STRING) && (phdi->mask & HDI_TEXT))
963 {
964 lpItem->fmt |= HDF_STRING;
965 }
966 if (phdi->mask & HDI_BITMAP)
967 lpItem->hbm = phdi->hbm;
968
969 if (phdi->mask & HDI_LPARAM)
970 lpItem->lParam = phdi->lParam;
971
972 if (phdi->mask & HDI_IMAGE)
973 lpItem->iImage = phdi->iImage;
974
975 lpItem->iOrder = iOrder;
976
977 HEADER_SetItemBounds (hwnd);
978
979 InvalidateRect(hwnd, NULL, FALSE);
980
981 return nItem;
982 }
983
984
985 static LRESULT
986 HEADER_InsertItemW (HWND hwnd, WPARAM wParam, LPARAM lParam)
987 {
988 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
989 HDITEMW *phdi = (HDITEMW*)lParam;
990 INT nItem = (INT)wParam;
991 HEADER_ITEM *lpItem;
992 INT len, iOrder;
993 UINT i;
994
995 if ((phdi == NULL) || (nItem < 0))
996 return -1;
997
998 if (nItem > infoPtr->uNumItem)
999 nItem = infoPtr->uNumItem;
1000
1001 iOrder = (phdi->mask & HDI_ORDER) ? phdi->iOrder : nItem;
1002
1003 if (infoPtr->uNumItem == 0) {
1004 infoPtr->items = Alloc (sizeof (HEADER_ITEM));
1005 infoPtr->uNumItem++;
1006 }
1007 else {
1008 HEADER_ITEM *oldItems = infoPtr->items;
1009
1010 infoPtr->uNumItem++;
1011 infoPtr->items = Alloc (sizeof (HEADER_ITEM) * infoPtr->uNumItem);
1012 if (nItem == 0) {
1013 memcpy (&infoPtr->items[1], &oldItems[0],
1014 (infoPtr->uNumItem-1) * sizeof(HEADER_ITEM));
1015 }
1016 else
1017 {
1018 /* pre insert copy */
1019 if (nItem > 0) {
1020 memcpy (&infoPtr->items[0], &oldItems[0],
1021 nItem * sizeof(HEADER_ITEM));
1022 }
1023
1024 /* post insert copy */
1025 if (nItem < infoPtr->uNumItem - 1) {
1026 memcpy (&infoPtr->items[nItem+1], &oldItems[nItem],
1027 (infoPtr->uNumItem - nItem - 1) * sizeof(HEADER_ITEM));
1028 }
1029 }
1030
1031 Free (oldItems);
1032 }
1033
1034 for (i=0; i < infoPtr->uNumItem; i++)
1035 {
1036 if (infoPtr->items[i].iOrder >= iOrder)
1037 infoPtr->items[i].iOrder++;
1038 }
1039
1040 lpItem = &infoPtr->items[nItem];
1041 lpItem->bDown = FALSE;
1042
1043 if (phdi->mask & HDI_WIDTH)
1044 lpItem->cxy = phdi->cxy;
1045
1046 if (phdi->mask & HDI_TEXT) {
1047 WCHAR wide_null_char = 0;
1048 if (!phdi->pszText) /* null pointer check */
1049 phdi->pszText = &wide_null_char;
1050 if (phdi->pszText != LPSTR_TEXTCALLBACKW) {
1051 len = strlenW (phdi->pszText);
1052 lpItem->pszText = Alloc ((len+1)*sizeof(WCHAR));
1053 strcpyW (lpItem->pszText, phdi->pszText);
1054 }
1055 else
1056 lpItem->pszText = LPSTR_TEXTCALLBACKW;
1057 }
1058
1059 if (phdi->mask & HDI_FORMAT)
1060 lpItem->fmt = phdi->fmt;
1061
1062 if (lpItem->fmt == 0)
1063 lpItem->fmt = HDF_LEFT;
1064
1065 if (!(lpItem->fmt &HDF_STRING) && (phdi->mask & HDI_TEXT))
1066 {
1067 lpItem->fmt |= HDF_STRING;
1068 }
1069 if (phdi->mask & HDI_BITMAP)
1070 lpItem->hbm = phdi->hbm;
1071
1072 if (phdi->mask & HDI_LPARAM)
1073 lpItem->lParam = phdi->lParam;
1074
1075 if (phdi->mask & HDI_IMAGE)
1076 lpItem->iImage = phdi->iImage;
1077
1078 lpItem->iOrder = iOrder;
1079
1080 HEADER_SetItemBounds (hwnd);
1081
1082 InvalidateRect(hwnd, NULL, FALSE);
1083
1084 return nItem;
1085 }
1086
1087
1088 static LRESULT
1089 HEADER_Layout (HWND hwnd, WPARAM wParam, LPARAM lParam)
1090 {
1091 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1092 LPHDLAYOUT lpLayout = (LPHDLAYOUT)lParam;
1093
1094 lpLayout->pwpos->hwnd = hwnd;
1095 lpLayout->pwpos->hwndInsertAfter = 0;
1096 lpLayout->pwpos->x = lpLayout->prc->left;
1097 lpLayout->pwpos->y = lpLayout->prc->top;
1098 lpLayout->pwpos->cx = lpLayout->prc->right - lpLayout->prc->left;
1099 if (GetWindowLongA (hwnd, GWL_STYLE) & HDS_HIDDEN)
1100 lpLayout->pwpos->cy = 0;
1101 else {
1102 lpLayout->pwpos->cy = infoPtr->nHeight;
1103 lpLayout->prc->top += infoPtr->nHeight;
1104 }
1105 lpLayout->pwpos->flags = SWP_NOZORDER;
1106
1107 TRACE("Layout x=%d y=%d cx=%d cy=%d\n",
1108 lpLayout->pwpos->x, lpLayout->pwpos->y,
1109 lpLayout->pwpos->cx, lpLayout->pwpos->cy);
1110
1111 infoPtr->bRectsValid = FALSE;
1112
1113 return TRUE;
1114 }
1115
1116
1117 static LRESULT
1118 HEADER_SetImageList (HWND hwnd, HIMAGELIST himl)
1119 {
1120 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1121 HIMAGELIST himlOld;
1122
1123 TRACE("(himl 0x%x)\n", (int)himl);
1124 himlOld = infoPtr->himl;
1125 infoPtr->himl = himl;
1126
1127 /* FIXME: Refresh needed??? */
1128
1129 return (LRESULT)himlOld;
1130 }
1131
1132
1133 static LRESULT
1134 HEADER_GetBitmapMargin(HWND hwnd)
1135 {
1136 HEADER_INFO *infoPtr = HEADER_GetInfoPtr(hwnd);
1137
1138 return infoPtr->iMargin;
1139 }
1140
1141 static LRESULT
1142 HEADER_SetBitmapMargin(HWND hwnd, WPARAM wParam)
1143 {
1144 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1145 INT oldMargin = infoPtr->iMargin;
1146
1147 infoPtr->iMargin = (INT)wParam;
1148
1149 return oldMargin;
1150 }
1151
1152 static LRESULT
1153 HEADER_SetItemA (HWND hwnd, WPARAM wParam, LPARAM lParam)
1154 {
1155 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1156 HDITEMA *phdi = (HDITEMA*)lParam;
1157 INT nItem = (INT)wParam;
1158 HEADER_ITEM *lpItem;
1159
1160 if (phdi == NULL)
1161 return FALSE;
1162 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
1163 return FALSE;
1164
1165 TRACE("[nItem=%d]\n", nItem);
1166
1167 if (HEADER_SendHeaderNotify (hwnd, HDN_ITEMCHANGINGA, nItem, phdi->mask))
1168 return FALSE;
1169
1170 lpItem = &infoPtr->items[nItem];
1171 if (phdi->mask & HDI_BITMAP)
1172 lpItem->hbm = phdi->hbm;
1173
1174 if (phdi->mask & HDI_FORMAT)
1175 lpItem->fmt = phdi->fmt;
1176
1177 if (phdi->mask & HDI_LPARAM)
1178 lpItem->lParam = phdi->lParam;
1179
1180 if (phdi->mask & HDI_TEXT) {
1181 if (phdi->pszText != LPSTR_TEXTCALLBACKA) {
1182 if (lpItem->pszText) {
1183 Free (lpItem->pszText);
1184 lpItem->pszText = NULL;
1185 }
1186 if (phdi->pszText) {
1187 INT len = MultiByteToWideChar (CP_ACP,0,phdi->pszText,-1,NULL,0);
1188 lpItem->pszText = Alloc( len*sizeof(WCHAR) );
1189 MultiByteToWideChar (CP_ACP,0,phdi->pszText,-1,lpItem->pszText,len);
1190 }
1191 }
1192 else
1193 lpItem->pszText = LPSTR_TEXTCALLBACKW;
1194 }
1195
1196 if (phdi->mask & HDI_WIDTH)
1197 lpItem->cxy = phdi->cxy;
1198
1199 if (phdi->mask & HDI_IMAGE)
1200 lpItem->iImage = phdi->iImage;
1201
1202 if (phdi->mask & HDI_ORDER)
1203 {
1204 lpItem->iOrder = phdi->iOrder;
1205 }
1206 else
1207 lpItem->iOrder = nItem;
1208
1209 HEADER_SendHeaderNotify (hwnd, HDN_ITEMCHANGEDA, nItem, phdi->mask);
1210
1211 HEADER_SetItemBounds (hwnd);
1212
1213 InvalidateRect(hwnd, NULL, FALSE);
1214
1215 return TRUE;
1216 }
1217
1218
1219 static LRESULT
1220 HEADER_SetItemW (HWND hwnd, WPARAM wParam, LPARAM lParam)
1221 {
1222 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1223 HDITEMW *phdi = (HDITEMW*)lParam;
1224 INT nItem = (INT)wParam;
1225 HEADER_ITEM *lpItem;
1226
1227 if (phdi == NULL)
1228 return FALSE;
1229 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
1230 return FALSE;
1231
1232 TRACE("[nItem=%d]\n", nItem);
1233
1234 if (HEADER_SendHeaderNotify (hwnd, HDN_ITEMCHANGINGW, nItem, phdi->mask))
1235 return FALSE;
1236
1237 lpItem = &infoPtr->items[nItem];
1238 if (phdi->mask & HDI_BITMAP)
1239 lpItem->hbm = phdi->hbm;
1240
1241 if (phdi->mask & HDI_FORMAT)
1242 lpItem->fmt = phdi->fmt;
1243
1244 if (phdi->mask & HDI_LPARAM)
1245 lpItem->lParam = phdi->lParam;
1246
1247 if (phdi->mask & HDI_TEXT) {
1248 if (phdi->pszText != LPSTR_TEXTCALLBACKW) {
1249 if (lpItem->pszText) {
1250 Free (lpItem->pszText);
1251 lpItem->pszText = NULL;
1252 }
1253 if (phdi->pszText) {
1254 INT len = strlenW (phdi->pszText);
1255 lpItem->pszText = Alloc ((len+1)*sizeof(WCHAR));
1256 strcpyW (lpItem->pszText, phdi->pszText);
1257 }
1258 }
1259 else
1260 lpItem->pszText = LPSTR_TEXTCALLBACKW;
1261 }
1262
1263 if (phdi->mask & HDI_WIDTH)
1264 lpItem->cxy = phdi->cxy;
1265
1266 if (phdi->mask & HDI_IMAGE)
1267 lpItem->iImage = phdi->iImage;
1268
1269 if (phdi->mask & HDI_ORDER)
1270 {
1271 lpItem->iOrder = phdi->iOrder;
1272 }
1273 else
1274 lpItem->iOrder = nItem;
1275
1276 HEADER_SendHeaderNotify(hwnd, HDN_ITEMCHANGEDW, nItem, phdi->mask);
1277
1278 HEADER_SetItemBounds (hwnd);
1279
1280 InvalidateRect(hwnd, NULL, FALSE);
1281
1282 return TRUE;
1283 }
1284
1285 inline static LRESULT
1286 HEADER_SetUnicodeFormat (HWND hwnd, WPARAM wParam)
1287 {
1288 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1289 BOOL bTemp = infoPtr->bUnicode;
1290
1291 infoPtr->bUnicode = (BOOL)wParam;
1292
1293 return bTemp;
1294 }
1295
1296
1297 static LRESULT
1298 HEADER_Create (HWND hwnd, WPARAM wParam, LPARAM lParam)
1299 {
1300 HEADER_INFO *infoPtr;
1301 TEXTMETRICA tm;
1302 HFONT hOldFont;
1303 HDC hdc;
1304
1305 infoPtr = (HEADER_INFO *)Alloc (sizeof(HEADER_INFO));
1306 SetWindowLongPtrA (hwnd, 0, (DWORD_PTR)infoPtr);
1307
1308 infoPtr->hwndNotify = ((LPCREATESTRUCTA)lParam)->hwndParent;
1309 infoPtr->uNumItem = 0;
1310 infoPtr->hFont = 0;
1311 infoPtr->items = 0;
1312 infoPtr->bRectsValid = FALSE;
1313 infoPtr->hcurArrow = LoadCursorA (0, (LPSTR)IDC_ARROW);
1314 infoPtr->hcurDivider = LoadCursorA (COMCTL32_hModule, MAKEINTRESOURCEA(IDC_DIVIDER));
1315 infoPtr->hcurDivopen = LoadCursorA (COMCTL32_hModule, MAKEINTRESOURCEA(IDC_DIVIDEROPEN));
1316 infoPtr->bPressed = FALSE;
1317 infoPtr->bTracking = FALSE;
1318 infoPtr->iMoveItem = 0;
1319 infoPtr->himl = 0;
1320 infoPtr->iHotItem = -1;
1321 infoPtr->bUnicode = IsWindowUnicode (hwnd);
1322 infoPtr->iMargin = 3*GetSystemMetrics(SM_CXEDGE);
1323 infoPtr->nNotifyFormat =
1324 SendMessageA (infoPtr->hwndNotify, WM_NOTIFYFORMAT, (WPARAM)hwnd, NF_QUERY);
1325
1326 hdc = GetDC (0);
1327 hOldFont = SelectObject (hdc, GetStockObject (SYSTEM_FONT));
1328 GetTextMetricsA (hdc, &tm);
1329 infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
1330 SelectObject (hdc, hOldFont);
1331 ReleaseDC (0, hdc);
1332
1333 return 0;
1334 }
1335
1336
1337 static LRESULT
1338 HEADER_Destroy (HWND hwnd, WPARAM wParam, LPARAM lParam)
1339 {
1340 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1341 HEADER_ITEM *lpItem;
1342 INT nItem;
1343
1344 if (infoPtr->items) {
1345 lpItem = infoPtr->items;
1346 for (nItem = 0; nItem < infoPtr->uNumItem; nItem++, lpItem++) {
1347 if ((lpItem->pszText) && (lpItem->pszText != LPSTR_TEXTCALLBACKW))
1348 Free (lpItem->pszText);
1349 }
1350 Free (infoPtr->items);
1351 }
1352
1353 if (infoPtr->himl)
1354 ImageList_Destroy (infoPtr->himl);
1355
1356 Free (infoPtr);
1357 SetWindowLongPtrA (hwnd, 0, 0);
1358 return 0;
1359 }
1360
1361
1362 static inline LRESULT
1363 HEADER_GetFont (HWND hwnd)
1364 {
1365 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1366
1367 return (LRESULT)infoPtr->hFont;
1368 }
1369
1370
1371 static LRESULT
1372 HEADER_LButtonDblClk (HWND hwnd, WPARAM wParam, LPARAM lParam)
1373 {
1374 POINT pt;
1375 UINT flags;
1376 INT nItem;
1377
1378 pt.x = (INT)LOWORD(lParam);
1379 pt.y = (INT)HIWORD(lParam);
1380 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1381
1382 if ((GetWindowLongA (hwnd, GWL_STYLE) & HDS_BUTTONS) && (flags == HHT_ONHEADER))
1383 HEADER_SendHeaderNotify (hwnd, HDN_ITEMDBLCLICKA, nItem,0);
1384 else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN))
1385 HEADER_SendHeaderNotify (hwnd, HDN_DIVIDERDBLCLICKA, nItem,0);
1386
1387 return 0;
1388 }
1389
1390
1391 static LRESULT
1392 HEADER_LButtonDown (HWND hwnd, WPARAM wParam, LPARAM lParam)
1393 {
1394 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1395 DWORD dwStyle = GetWindowLongA (hwnd, GWL_STYLE);
1396 POINT pt;
1397 UINT flags;
1398 INT nItem;
1399 HDC hdc;
1400
1401 pt.x = (INT)LOWORD(lParam);
1402 pt.y = (INT)HIWORD(lParam);
1403 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1404
1405 if ((dwStyle & HDS_BUTTONS) && (flags == HHT_ONHEADER)) {
1406 SetCapture (hwnd);
1407 infoPtr->bCaptured = TRUE;
1408 infoPtr->bPressed = TRUE;
1409 infoPtr->iMoveItem = nItem;
1410
1411 infoPtr->items[nItem].bDown = TRUE;
1412
1413 /* Send WM_CUSTOMDRAW */
1414 hdc = GetDC (hwnd);
1415 HEADER_RefreshItem (hwnd, hdc, nItem);
1416 ReleaseDC (hwnd, hdc);
1417
1418 TRACE("Pressed item %d!\n", nItem);
1419 }
1420 else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN)) {
1421 if (!(HEADER_SendHeaderNotify (hwnd, HDN_BEGINTRACKA, nItem,0))) {
1422 SetCapture (hwnd);
1423 infoPtr->bCaptured = TRUE;
1424 infoPtr->bTracking = TRUE;
1425 infoPtr->iMoveItem = nItem;
1426 infoPtr->nOldWidth = infoPtr->items[nItem].cxy;
1427 infoPtr->xTrackOffset = infoPtr->items[nItem].rect.right - pt.x;
1428
1429 if (!(dwStyle & HDS_FULLDRAG)) {
1430 infoPtr->xOldTrack = infoPtr->items[nItem].rect.right;
1431 hdc = GetDC (hwnd);
1432 HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
1433 ReleaseDC (hwnd, hdc);
1434 }
1435
1436 TRACE("Begin tracking item %d!\n", nItem);
1437 }
1438 }
1439
1440 return 0;
1441 }
1442
1443
1444 static LRESULT
1445 HEADER_LButtonUp (HWND hwnd, WPARAM wParam, LPARAM lParam)
1446 {
1447 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1448 /*
1449 *DWORD dwStyle = GetWindowLongA (hwnd, GWL_STYLE);
1450 */
1451 POINT pt;
1452 UINT flags;
1453 INT nItem, nWidth;
1454 HDC hdc;
1455
1456 pt.x = (INT)(SHORT)LOWORD(lParam);
1457 pt.y = (INT)(SHORT)HIWORD(lParam);
1458 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1459
1460 if (infoPtr->bPressed) {
1461 if ((nItem == infoPtr->iMoveItem) && (flags == HHT_ONHEADER)) {
1462 infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
1463 hdc = GetDC (hwnd);
1464 HEADER_RefreshItem (hwnd, hdc, infoPtr->iMoveItem);
1465 ReleaseDC (hwnd, hdc);
1466
1467 HEADER_SendClickNotify (hwnd, HDN_ITEMCLICKA, infoPtr->iMoveItem);
1468 }
1469 else if (flags == HHT_ONHEADER)
1470 {
1471 HEADER_ITEM *lpItem;
1472 INT newindex = HEADER_IndexToOrder(hwnd,nItem);
1473 INT oldindex = HEADER_IndexToOrder(hwnd,infoPtr->iMoveItem);
1474
1475 TRACE("Exchanging [index:order] [%d:%d] [%d:%d]\n",
1476 infoPtr->iMoveItem,oldindex,nItem,newindex);
1477 lpItem= &infoPtr->items[nItem];
1478 lpItem->iOrder=oldindex;
1479
1480 lpItem= &infoPtr->items[infoPtr->iMoveItem];
1481 lpItem->iOrder = newindex;
1482
1483 infoPtr->bRectsValid = FALSE;
1484 InvalidateRect(hwnd, NULL, FALSE);
1485 /* FIXME: Should some WM_NOTIFY be sent */
1486 }
1487
1488 TRACE("Released item %d!\n", infoPtr->iMoveItem);
1489 infoPtr->bPressed = FALSE;
1490 }
1491 else if (infoPtr->bTracking) {
1492 TRACE("End tracking item %d!\n", infoPtr->iMoveItem);
1493 infoPtr->bTracking = FALSE;
1494
1495 HEADER_SendHeaderNotify (hwnd, HDN_ENDTRACKA, infoPtr->iMoveItem,HDI_WIDTH);
1496
1497 /*
1498 * we want to do this even for HDS_FULLDRAG because this is where
1499 * we send the HDN_ITEMCHANGING and HDN_ITEMCHANGED notifications
1500 *
1501 * if (!(dwStyle & HDS_FULLDRAG)) {
1502 */
1503
1504 hdc = GetDC (hwnd);
1505 HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
1506 ReleaseDC (hwnd, hdc);
1507 if (HEADER_SendHeaderNotify(hwnd, HDN_ITEMCHANGINGA, infoPtr->iMoveItem, HDI_WIDTH))
1508 {
1509 infoPtr->items[infoPtr->iMoveItem].cxy = infoPtr->nOldWidth;
1510 }
1511 else {
1512 nWidth = pt.x - infoPtr->items[infoPtr->iMoveItem].rect.left + infoPtr->xTrackOffset;
1513 if (nWidth < 0)
1514 nWidth = 0;
1515 infoPtr->items[infoPtr->iMoveItem].cxy = nWidth;
1516 }
1517
1518 HEADER_SetItemBounds (hwnd);
1519 InvalidateRect(hwnd, NULL, TRUE);
1520 HEADER_SendHeaderNotify(hwnd, HDN_ITEMCHANGEDA, infoPtr->iMoveItem, HDI_WIDTH);
1521 /*
1522 * }
1523 */
1524 }
1525
1526 if (infoPtr->bCaptured) {
1527 infoPtr->bCaptured = FALSE;
1528 ReleaseCapture ();
1529 HEADER_SendSimpleNotify (hwnd, NM_RELEASEDCAPTURE);
1530 }
1531
1532 return 0;
1533 }
1534
1535
1536 static LRESULT
1537 HEADER_NotifyFormat (HWND hwnd, WPARAM wParam, LPARAM lParam)
1538 {
1539 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1540
1541 switch (lParam)
1542 {
1543 case NF_QUERY:
1544 return infoPtr->nNotifyFormat;
1545
1546 case NF_REQUERY:
1547 infoPtr->nNotifyFormat =
1548 SendMessageA ((HWND)wParam, WM_NOTIFYFORMAT,
1549 (WPARAM)hwnd, (LPARAM)NF_QUERY);
1550 return infoPtr->nNotifyFormat;
1551 }
1552
1553 return 0;
1554 }
1555
1556
1557 static LRESULT
1558 HEADER_MouseMove (HWND hwnd, WPARAM wParam, LPARAM lParam)
1559 {
1560 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1561 DWORD dwStyle = GetWindowLongA (hwnd, GWL_STYLE);
1562 POINT pt;
1563 UINT flags;
1564 INT nItem, nWidth;
1565 HDC hdc;
1566
1567 pt.x = (INT)(SHORT)LOWORD(lParam);
1568 pt.y = (INT)(SHORT)HIWORD(lParam);
1569 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1570
1571 if ((dwStyle & HDS_BUTTONS) && (dwStyle & HDS_HOTTRACK)) {
1572 if (flags & (HHT_ONHEADER | HHT_ONDIVIDER | HHT_ONDIVOPEN))
1573 infoPtr->iHotItem = nItem;
1574 else
1575 infoPtr->iHotItem = -1;
1576 InvalidateRect(hwnd, NULL, FALSE);
1577 }
1578
1579 if (infoPtr->bCaptured) {
1580 if (infoPtr->bPressed) {
1581 if ((nItem == infoPtr->iMoveItem) && (flags == HHT_ONHEADER))
1582 infoPtr->items[infoPtr->iMoveItem].bDown = TRUE;
1583 else
1584 infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
1585 hdc = GetDC (hwnd);
1586 HEADER_RefreshItem (hwnd, hdc, infoPtr->iMoveItem);
1587 ReleaseDC (hwnd, hdc);
1588
1589 TRACE("Moving pressed item %d!\n", infoPtr->iMoveItem);
1590 }
1591 else if (infoPtr->bTracking) {
1592 if (dwStyle & HDS_FULLDRAG) {
1593 if (HEADER_SendHeaderNotify (hwnd, HDN_TRACKA, infoPtr->iMoveItem, HDI_WIDTH))
1594 {
1595 nWidth = pt.x - infoPtr->items[infoPtr->iMoveItem].rect.left + infoPtr->xTrackOffset;
1596 if (nWidth < 0)
1597 nWidth = 0;
1598 infoPtr->items[infoPtr->iMoveItem].cxy = nWidth;
1599 HEADER_SendHeaderNotify(hwnd, HDN_ITEMCHANGEDA, infoPtr->iMoveItem, HDI_WIDTH);
1600 }
1601 HEADER_SetItemBounds (hwnd);
1602 }
1603 else {
1604 hdc = GetDC (hwnd);
1605 HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
1606 infoPtr->xOldTrack = pt.x + infoPtr->xTrackOffset;
1607 if (infoPtr->xOldTrack < infoPtr->items[infoPtr->iMoveItem].rect.left)
1608 infoPtr->xOldTrack = infoPtr->items[infoPtr->iMoveItem].rect.left;
1609 infoPtr->items[infoPtr->iMoveItem].cxy =
1610 infoPtr->xOldTrack - infoPtr->items[infoPtr->iMoveItem].rect.left;
1611 HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
1612 ReleaseDC (hwnd, hdc);
1613 HEADER_SendHeaderNotify (hwnd, HDN_TRACKA, infoPtr->iMoveItem, HDI_WIDTH);
1614 }
1615
1616 TRACE("Tracking item %d!\n", infoPtr->iMoveItem);
1617 }
1618 }
1619
1620 if ((dwStyle & HDS_BUTTONS) && (dwStyle & HDS_HOTTRACK)) {
1621 FIXME("hot track support!\n");
1622 }
1623
1624 return 0;
1625 }
1626
1627
1628 static LRESULT
1629 HEADER_Paint (HWND hwnd, WPARAM wParam)
1630 {
1631 HDC hdc;
1632 PAINTSTRUCT ps;
1633
1634 hdc = wParam==0 ? BeginPaint (hwnd, &ps) : (HDC)wParam;
1635 HEADER_Refresh (hwnd, hdc);
1636 if(!wParam)
1637 EndPaint (hwnd, &ps);
1638 return 0;
1639 }
1640
1641
1642 static LRESULT
1643 HEADER_RButtonUp (HWND hwnd, WPARAM wParam, LPARAM lParam)
1644 {
1645 BOOL bRet;
1646 POINT pt;
1647
1648 pt.x = LOWORD(lParam);
1649 pt.y = HIWORD(lParam);
1650
1651 /* Send a Notify message */
1652 bRet = HEADER_SendSimpleNotify (hwnd, NM_RCLICK);
1653
1654 /* Change to screen coordinate for WM_CONTEXTMENU */
1655 ClientToScreen(hwnd, &pt);
1656
1657 /* Send a WM_CONTEXTMENU message in response to the RBUTTONUP */
1658 SendMessageA( hwnd, WM_CONTEXTMENU, (WPARAM) hwnd, MAKELPARAM(pt.x, pt.y));
1659
1660 return bRet;
1661 }
1662
1663
1664 static LRESULT
1665 HEADER_SetCursor (HWND hwnd, WPARAM wParam, LPARAM lParam)
1666 {
1667 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1668 POINT pt;
1669 UINT flags;
1670 INT nItem;
1671
1672 TRACE("code=0x%X id=0x%X\n", LOWORD(lParam), HIWORD(lParam));
1673
1674 GetCursorPos (&pt);
1675 ScreenToClient (hwnd, &pt);
1676
1677 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1678
1679 if (flags == HHT_ONDIVIDER)
1680 SetCursor (infoPtr->hcurDivider);
1681 else if (flags == HHT_ONDIVOPEN)
1682 SetCursor (infoPtr->hcurDivopen);
1683 else
1684 SetCursor (infoPtr->hcurArrow);
1685
1686 return 0;
1687 }
1688
1689
1690 static LRESULT
1691 HEADER_SetFont (HWND hwnd, WPARAM wParam, LPARAM lParam)
1692 {
1693 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1694 TEXTMETRICA tm;
1695 HFONT hFont, hOldFont;
1696 HDC hdc;
1697
1698 infoPtr->hFont = (HFONT)wParam;
1699
1700 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT);
1701
1702 hdc = GetDC (0);
1703 hOldFont = SelectObject (hdc, hFont);
1704 GetTextMetricsA (hdc, &tm);
1705 infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
1706 SelectObject (hdc, hOldFont);
1707 ReleaseDC (0, hdc);
1708
1709 infoPtr->bRectsValid = FALSE;
1710
1711 if (lParam) {
1712 InvalidateRect(hwnd, NULL, FALSE);
1713 }
1714
1715 return 0;
1716 }
1717
1718
1719 static LRESULT WINAPI
1720 HEADER_WindowProc (HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
1721 {
1722 TRACE("hwnd=%p msg=%x wparam=%x lParam=%lx\n", hwnd, msg, wParam, lParam);
1723 if (!HEADER_GetInfoPtr (hwnd) && (msg != WM_CREATE))
1724 return DefWindowProcA (hwnd, msg, wParam, lParam);
1725 switch (msg) {
1726 /* case HDM_CLEARFILTER: */
1727
1728 case HDM_CREATEDRAGIMAGE:
1729 return HEADER_CreateDragImage (hwnd, wParam);
1730
1731 case HDM_DELETEITEM:
1732 return HEADER_DeleteItem (hwnd, wParam);
1733
1734 /* case HDM_EDITFILTER: */
1735
1736 case HDM_GETBITMAPMARGIN:
1737 return HEADER_GetBitmapMargin(hwnd);
1738
1739 case HDM_GETIMAGELIST:
1740 return HEADER_GetImageList (hwnd);
1741
1742 case HDM_GETITEMA:
1743 return HEADER_GetItemA (hwnd, wParam, lParam);
1744
1745 case HDM_GETITEMW:
1746 return HEADER_GetItemW (hwnd, wParam, lParam);
1747
1748 case HDM_GETITEMCOUNT:
1749 return HEADER_GetItemCount (hwnd);
1750
1751 case HDM_GETITEMRECT:
1752 return HEADER_GetItemRect (hwnd, wParam, lParam);
1753
1754 case HDM_GETORDERARRAY:
1755 return HEADER_GetOrderArray(hwnd, wParam, lParam);
1756
1757 case HDM_GETUNICODEFORMAT:
1758 return HEADER_GetUnicodeFormat (hwnd);
1759
1760 case HDM_HITTEST:
1761 return HEADER_HitTest (hwnd, wParam, lParam);
1762
1763 case HDM_INSERTITEMA:
1764 return HEADER_InsertItemA (hwnd, wParam, lParam);
1765
1766 case HDM_INSERTITEMW:
1767 return HEADER_InsertItemW (hwnd, wParam, lParam);
1768
1769 case HDM_LAYOUT:
1770 return HEADER_Layout (hwnd, wParam, lParam);
1771
1772 case HDM_ORDERTOINDEX:
1773 return HEADER_OrderToIndex(hwnd, wParam);
1774
1775 case HDM_SETBITMAPMARGIN:
1776 return HEADER_SetBitmapMargin(hwnd, wParam);
1777
1778 /* case HDM_SETFILTERCHANGETIMEOUT: */
1779
1780 /* case HDM_SETHOTDIVIDER: */
1781
1782 case HDM_SETIMAGELIST:
1783 return HEADER_SetImageList (hwnd, (HIMAGELIST)lParam);
1784
1785 case HDM_SETITEMA:
1786 return HEADER_SetItemA (hwnd, wParam, lParam);
1787
1788 case HDM_SETITEMW:
1789 return HEADER_SetItemW (hwnd, wParam, lParam);
1790
1791 case HDM_SETORDERARRAY:
1792 return HEADER_SetOrderArray(hwnd, wParam, lParam);
1793
1794 case HDM_SETUNICODEFORMAT:
1795 return HEADER_SetUnicodeFormat (hwnd, wParam);
1796
1797 case WM_CREATE:
1798 return HEADER_Create (hwnd, wParam, lParam);
1799
1800 case WM_DESTROY:
1801 return HEADER_Destroy (hwnd, wParam, lParam);
1802
1803 case WM_ERASEBKGND:
1804 return 1;
1805
1806 case WM_GETDLGCODE:
1807 return DLGC_WANTTAB | DLGC_WANTARROWS;
1808
1809 case WM_GETFONT:
1810 return HEADER_GetFont (hwnd);
1811
1812 case WM_LBUTTONDBLCLK:
1813 return HEADER_LButtonDblClk (hwnd, wParam, lParam);
1814
1815 case WM_LBUTTONDOWN:
1816 return HEADER_LButtonDown (hwnd, wParam, lParam);
1817
1818 case WM_LBUTTONUP:
1819 return HEADER_LButtonUp (hwnd, wParam, lParam);
1820
1821 case WM_MOUSEMOVE:
1822 return HEADER_MouseMove (hwnd, wParam, lParam);
1823
1824 case WM_NOTIFYFORMAT:
1825 return HEADER_NotifyFormat (hwnd, wParam, lParam);
1826
1827 case WM_SIZE:
1828 return HEADER_Size (hwnd, wParam);
1829
1830 case WM_PAINT:
1831 return HEADER_Paint (hwnd, wParam);
1832
1833 case WM_RBUTTONUP:
1834 return HEADER_RButtonUp (hwnd, wParam, lParam);
1835
1836 case WM_SETCURSOR:
1837 return HEADER_SetCursor (hwnd, wParam, lParam);
1838
1839 case WM_SETFONT:
1840 return HEADER_SetFont (hwnd, wParam, lParam);
1841
1842 default:
1843 if ((msg >= WM_USER) && (msg < WM_APP))
1844 ERR("unknown msg %04x wp=%04x lp=%08lx\n",
1845 msg, wParam, lParam );
1846 return DefWindowProcA (hwnd, msg, wParam, lParam);
1847 }
1848 }
1849
1850
1851 VOID
1852 HEADER_Register (void)
1853 {
1854 WNDCLASSA wndClass;
1855
1856 ZeroMemory (&wndClass, sizeof(WNDCLASSA));
1857 wndClass.style = CS_GLOBALCLASS | CS_DBLCLKS;
1858 wndClass.lpfnWndProc = HEADER_WindowProc;
1859 wndClass.cbClsExtra = 0;
1860 wndClass.cbWndExtra = sizeof(HEADER_INFO *);
1861 wndClass.hCursor = LoadCursorA (0, (LPSTR)IDC_ARROW);
1862 wndClass.lpszClassName = WC_HEADERA;
1863
1864 RegisterClassA (&wndClass);
1865 }
1866
1867
1868 VOID
1869 HEADER_Unregister (void)
1870 {
1871 UnregisterClassA (WC_HEADERA, NULL);
1872 }
Quick hack tree for wine patches julliard doesn't want to commit