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Release 20050930.
[wine/gsoc-2012-control.git] / dlls / comctl32 / header.c
blobe185ad4cb929625aad908540d56b8473b37196cd
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 "tmschema.h"
47 #include "uxtheme.h"
48 #include "wine/debug.h"
49
50 WINE_DEFAULT_DEBUG_CHANNEL(header);
51
52 typedef struct
53 {
54 INT cxy;
55 HBITMAP hbm;
56 LPWSTR pszText;
57 INT fmt;
58 LPARAM lParam;
59 INT iImage;
60 INT iOrder; /* see documentation of HD_ITEM */
61
62 BOOL bDown; /* is item pressed? (used for drawing) */
63 RECT rect; /* bounding rectangle of the item */
64 } HEADER_ITEM;
65
66
67 typedef struct
68 {
69 HWND hwndNotify; /* Owner window to send notifications to */
70 INT nNotifyFormat; /* format used for WM_NOTIFY messages */
71 UINT uNumItem; /* number of items (columns) */
72 INT nHeight; /* height of the header (pixels) */
73 HFONT hFont; /* handle to the current font */
74 HCURSOR hcurArrow; /* handle to the arrow cursor */
75 HCURSOR hcurDivider; /* handle to a cursor (used over dividers) <-|-> */
76 HCURSOR hcurDivopen; /* handle to a cursor (used over dividers) <-||-> */
77 BOOL bCaptured; /* Is the mouse captured? */
78 BOOL bPressed; /* Is a header item pressed (down)? */
79 BOOL bTracking; /* Is in tracking mode? */
80 BOOL bUnicode; /* Unicode flag */
81 INT iMoveItem; /* index of tracked item. (Tracking mode) */
82 INT xTrackOffset; /* distance between the right side of the tracked item and the cursor */
83 INT xOldTrack; /* track offset (see above) after the last WM_MOUSEMOVE */
84 INT nOldWidth; /* width of a sizing item after the last WM_MOUSEMOVE */
85 INT iHotItem; /* index of hot item (cursor is over this item) */
86 INT iMargin; /* width of the margin that surrounds a bitmap */
87
88 HIMAGELIST himl; /* handle to an image list (may be 0) */
89 HEADER_ITEM *items; /* pointer to array of HEADER_ITEM's */
90 INT *order; /* array of item IDs indexed by order */
91 BOOL bRectsValid; /* validity flag for bounding rectangles */
92 } HEADER_INFO;
93
94
95 #define VERT_BORDER 3
96 #define DIVIDER_WIDTH 10
97
98 #define HEADER_GetInfoPtr(hwnd) ((HEADER_INFO *)GetWindowLongPtrW(hwnd,0))
99
100 static const WCHAR themeClass[] = {'H','e','a','d','e','r',0};
101
102
103 inline static LRESULT
104 HEADER_IndexToOrder (HWND hwnd, INT iItem)
105 {
106 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
107 HEADER_ITEM *lpItem = &infoPtr->items[iItem];
108 return lpItem->iOrder;
109 }
110
111
112 static INT
113 HEADER_OrderToIndex(HWND hwnd, WPARAM wParam)
114 {
115 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
116 INT iorder = (INT)wParam;
117
118 if ((iorder <0) || iorder >= infoPtr->uNumItem)
119 return iorder;
120 return infoPtr->order[iorder];
121 }
122
123 static void
124 HEADER_SetItemBounds (HWND hwnd)
125 {
126 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
127 HEADER_ITEM *phdi;
128 RECT rect;
129 unsigned int i;
130 int x;
131
132 infoPtr->bRectsValid = TRUE;
133
134 if (infoPtr->uNumItem == 0)
135 return;
136
137 GetClientRect (hwnd, &rect);
138
139 x = rect.left;
140 for (i = 0; i < infoPtr->uNumItem; i++) {
141 phdi = &infoPtr->items[HEADER_OrderToIndex(hwnd,i)];
142 phdi->rect.top = rect.top;
143 phdi->rect.bottom = rect.bottom;
144 phdi->rect.left = x;
145 phdi->rect.right = phdi->rect.left + ((phdi->cxy>0)?phdi->cxy:0);
146 x = phdi->rect.right;
147 }
148 }
149
150 static LRESULT
151 HEADER_Size (HWND hwnd, WPARAM wParam)
152 {
153 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
154
155 infoPtr->bRectsValid = FALSE;
156
157 return 0;
158 }
159
160
161 static INT
162 HEADER_DrawItem (HWND hwnd, HDC hdc, INT iItem, BOOL bHotTrack)
163 {
164 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
165 HEADER_ITEM *phdi = &infoPtr->items[iItem];
166 RECT r;
167 INT oldBkMode, cxEdge = GetSystemMetrics(SM_CXEDGE);
168 HTHEME theme = GetWindowTheme (hwnd);
169
170 TRACE("DrawItem(iItem %d bHotTrack %d unicode flag %d)\n", iItem, bHotTrack, infoPtr->bUnicode);
171
172 if (!infoPtr->bRectsValid)
173 HEADER_SetItemBounds(hwnd);
174
175 r = phdi->rect;
176 if (r.right - r.left == 0)
177 return phdi->rect.right;
178
179 if (theme != NULL) {
180 int state = (phdi->bDown) ? HIS_PRESSED :
181 (bHotTrack ? HIS_HOT : HIS_NORMAL);
182 DrawThemeBackground (theme, hdc, HP_HEADERITEM, state,
183 &r, NULL);
184 GetThemeBackgroundContentRect (theme, hdc, HP_HEADERITEM, state,
185 &r, &r);
186 }
187 else {
188 if (GetWindowLongW (hwnd, GWL_STYLE) & HDS_BUTTONS) {
189 if (phdi->bDown) {
190 DrawEdge (hdc, &r, BDR_RAISEDOUTER,
191 BF_RECT | BF_FLAT | BF_MIDDLE | BF_ADJUST);
192 }
193 else
194 DrawEdge (hdc, &r, EDGE_RAISED,
195 BF_RECT | BF_SOFT | BF_MIDDLE | BF_ADJUST);
196 }
197 else
198 DrawEdge (hdc, &r, EDGE_ETCHED, BF_BOTTOM | BF_RIGHT | BF_ADJUST);
199 }
200 if (phdi->bDown) {
201 r.left += 2;
202 r.top += 2;
203 }
204
205 r.left -= cxEdge;
206 r.right += cxEdge;
207
208 if (phdi->fmt & HDF_OWNERDRAW) {
209 DRAWITEMSTRUCT dis;
210 NMCUSTOMDRAW nmcd;
211
212 nmcd.hdr.hwndFrom = hwnd;
213 nmcd.hdr.idFrom = GetWindowLongPtrW (hwnd, GWLP_ID);
214 nmcd.hdr.code = NM_CUSTOMDRAW;
215 nmcd.dwDrawStage = CDDS_PREPAINT | CDDS_ITEM | CDDS_ITEMPOSTERASE;
216 nmcd.hdc = hdc;
217 nmcd.dwItemSpec = iItem;
218 nmcd.rc = r;
219 nmcd.uItemState = phdi->bDown ? CDIS_SELECTED : 0;
220 nmcd.lItemlParam = phdi->lParam;
221
222 SendMessageW (infoPtr->hwndNotify, WM_NOTIFY,
223 (WPARAM)nmcd.hdr.idFrom, (LPARAM)&nmcd);
224
225 dis.CtlType = ODT_HEADER;
226 dis.CtlID = GetWindowLongPtrW (hwnd, GWLP_ID);
227 dis.itemID = iItem;
228 dis.itemAction = ODA_DRAWENTIRE;
229 dis.itemState = phdi->bDown ? ODS_SELECTED : 0;
230 dis.hwndItem = hwnd;
231 dis.hDC = hdc;
232 dis.rcItem = r;
233 dis.itemData = phdi->lParam;
234 oldBkMode = SetBkMode(hdc, TRANSPARENT);
235 SendMessageW (infoPtr->hwndNotify, WM_DRAWITEM,
236 (WPARAM)dis.CtlID, (LPARAM)&dis);
237 if (oldBkMode != TRANSPARENT)
238 SetBkMode(hdc, oldBkMode);
239 }
240 else {
241 UINT rw, rh, /* width and height of r */
242 *x = NULL, *w = NULL; /* x and width of the pic (bmp or img) which is part of cnt */
243 /* cnt,txt,img,bmp */
244 UINT cx, tx, ix, bx,
245 cw, tw, iw, bw;
246 BITMAP bmp;
247
248 cw = tw = iw = bw = 0;
249 rw = r.right - r.left;
250 rh = r.bottom - r.top;
251
252 if (phdi->fmt & HDF_STRING) {
253 RECT textRect;
254
255 DrawTextW (hdc, phdi->pszText, -1,
256 &textRect, DT_LEFT|DT_VCENTER|DT_SINGLELINE|DT_CALCRECT);
257 cw = textRect.right - textRect.left + 2 * infoPtr->iMargin;
258 }
259
260 if ((phdi->fmt & HDF_IMAGE) && (infoPtr->himl)) {
261 iw = infoPtr->himl->cx + 2 * infoPtr->iMargin;
262 x = &ix;
263 w = &iw;
264 }
265
266 if ((phdi->fmt & HDF_BITMAP) && (phdi->hbm)) {
267 GetObjectW (phdi->hbm, sizeof(BITMAP), (LPVOID)&bmp);
268 bw = bmp.bmWidth + 2 * infoPtr->iMargin;
269 if (!iw) {
270 x = &bx;
271 w = &bw;
272 }
273 }
274
275 if (bw || iw)
276 cw += *w;
277
278 /* align cx using the unclipped cw */
279 if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_LEFT)
280 cx = r.left;
281 else if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_CENTER)
282 cx = r.left + rw / 2 - cw / 2;
283 else /* HDF_RIGHT */
284 cx = r.right - cw;
285
286 /* clip cx & cw */
287 if (cx < r.left)
288 cx = r.left;
289 if (cx + cw > r.right)
290 cw = r.right - cx;
291
292 tx = cx + infoPtr->iMargin;
293 /* since cw might have changed we have to recalculate tw */
294 tw = cw - infoPtr->iMargin * 2;
295
296 if (iw || bw) {
297 tw -= *w;
298 if (phdi->fmt & HDF_BITMAP_ON_RIGHT) {
299 /* put pic behind text */
300 *x = cx + tw + infoPtr->iMargin * 3;
301 } else {
302 *x = cx + infoPtr->iMargin;
303 /* move text behind pic */
304 tx += *w;
305 }
306 }
307
308 if (iw && bw) {
309 /* since we're done with the layout we can
310 now calculate the position of bmp which
311 has no influence on alignment and layout
312 because of img */
313 if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_RIGHT)
314 bx = cx - bw + infoPtr->iMargin;
315 else
316 bx = cx + cw + infoPtr->iMargin;
317 }
318
319 if (iw || bw) {
320 HDC hClipDC = GetDC(hwnd);
321 HRGN hClipRgn = CreateRectRgn(r.left, r.top, r.right, r.bottom);
322 SelectClipRgn(hClipDC, hClipRgn);
323
324 if (bw) {
325 HDC hdcBitmap = CreateCompatibleDC (hClipDC);
326 SelectObject (hdcBitmap, phdi->hbm);
327 BitBlt (hClipDC, bx, r.top + ((INT)rh - bmp.bmHeight) / 2,
328 bmp.bmWidth, bmp.bmHeight, hdcBitmap, 0, 0, SRCCOPY);
329 DeleteDC (hdcBitmap);
330 }
331
332 if (iw) {
333 ImageList_DrawEx (infoPtr->himl, phdi->iImage, hClipDC,
334 ix, r.top + ((INT)rh - infoPtr->himl->cy) / 2,
335 infoPtr->himl->cx, infoPtr->himl->cy, CLR_DEFAULT, CLR_DEFAULT, 0);
336 }
337
338 DeleteObject(hClipRgn);
339 ReleaseDC(hwnd, hClipDC);
340 }
341
342 if (((phdi->fmt & HDF_STRING)
343 || (!(phdi->fmt & (HDF_OWNERDRAW|HDF_STRING|HDF_BITMAP|
344 HDF_BITMAP_ON_RIGHT|HDF_IMAGE)))) /* no explicit format specified? */
345 && (phdi->pszText)) {
346 oldBkMode = SetBkMode(hdc, TRANSPARENT);
347 SetTextColor (hdc, (bHotTrack && !theme) ? COLOR_HIGHLIGHT : COLOR_BTNTEXT);
348 r.left = tx;
349 r.right = tx + tw;
350 DrawTextW (hdc, phdi->pszText, -1,
351 &r, DT_LEFT|DT_END_ELLIPSIS|DT_VCENTER|DT_SINGLELINE);
352 if (oldBkMode != TRANSPARENT)
353 SetBkMode(hdc, oldBkMode);
354 }
355 }/*Ownerdrawn*/
356
357 return phdi->rect.right;
358 }
359
360
361 static void
362 HEADER_Refresh (HWND hwnd, HDC hdc)
363 {
364 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
365 HFONT hFont, hOldFont;
366 RECT rect;
367 HBRUSH hbrBk;
368 UINT i;
369 INT x;
370 HTHEME theme = GetWindowTheme (hwnd);
371
372 /* get rect for the bar, adjusted for the border */
373 GetClientRect (hwnd, &rect);
374
375 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT);
376 hOldFont = SelectObject (hdc, hFont);
377
378 /* draw Background */
379 if (theme == NULL) {
380 hbrBk = GetSysColorBrush(COLOR_3DFACE);
381 FillRect(hdc, &rect, hbrBk);
382 }
383
384 x = rect.left;
385 for (i = 0; x <= rect.right && i < infoPtr->uNumItem; i++) {
386 x = HEADER_DrawItem (hwnd, hdc, HEADER_OrderToIndex(hwnd,i),
387 infoPtr->iHotItem == i);
388 }
389
390 if ((x <= rect.right) && (infoPtr->uNumItem > 0)) {
391 rect.left = x;
392 if (theme != NULL) {
393 DrawThemeBackground (theme, hdc, HP_HEADERITEM, HIS_NORMAL, &rect,
394 NULL);
395 }
396 else {
397 if (GetWindowLongW (hwnd, GWL_STYLE) & HDS_BUTTONS)
398 DrawEdge (hdc, &rect, EDGE_RAISED, BF_TOP|BF_LEFT|BF_BOTTOM|BF_SOFT);
399 else
400 DrawEdge (hdc, &rect, EDGE_ETCHED, BF_BOTTOM);
401 }
402 }
403
404 SelectObject (hdc, hOldFont);
405 }
406
407
408 static void
409 HEADER_RefreshItem (HWND hwnd, HDC hdc, INT iItem)
410 {
411 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
412 HFONT hFont, hOldFont;
413
414 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT);
415 hOldFont = SelectObject (hdc, hFont);
416 HEADER_DrawItem (hwnd, hdc, iItem, infoPtr->iHotItem == iItem);
417 SelectObject (hdc, hOldFont);
418 }
419
420
421 static void
422 HEADER_InternalHitTest (HWND hwnd, LPPOINT lpPt, UINT *pFlags, INT *pItem)
423 {
424 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
425 RECT rect, rcTest;
426 UINT iCount;
427 INT width;
428 BOOL bNoWidth;
429
430 GetClientRect (hwnd, &rect);
431
432 *pFlags = 0;
433 bNoWidth = FALSE;
434 if (PtInRect (&rect, *lpPt))
435 {
436 if (infoPtr->uNumItem == 0) {
437 *pFlags |= HHT_NOWHERE;
438 *pItem = 1;
439 TRACE("NOWHERE\n");
440 return;
441 }
442 else {
443 /* somewhere inside */
444 for (iCount = 0; iCount < infoPtr->uNumItem; iCount++) {
445 rect = infoPtr->items[iCount].rect;
446 width = rect.right - rect.left;
447 if (width == 0) {
448 bNoWidth = TRUE;
449 continue;
450 }
451 if (PtInRect (&rect, *lpPt)) {
452 if (width <= 2 * DIVIDER_WIDTH) {
453 *pFlags |= HHT_ONHEADER;
454 *pItem = iCount;
455 TRACE("ON HEADER %d\n", iCount);
456 return;
457 }
458 if (iCount > 0) {
459 rcTest = rect;
460 rcTest.right = rcTest.left + DIVIDER_WIDTH;
461 if (PtInRect (&rcTest, *lpPt)) {
462 if (bNoWidth) {
463 *pFlags |= HHT_ONDIVOPEN;
464 *pItem = iCount - 1;
465 TRACE("ON DIVOPEN %d\n", *pItem);
466 return;
467 }
468 else {
469 *pFlags |= HHT_ONDIVIDER;
470 *pItem = iCount - 1;
471 TRACE("ON DIVIDER %d\n", *pItem);
472 return;
473 }
474 }
475 }
476 rcTest = rect;
477 rcTest.left = rcTest.right - DIVIDER_WIDTH;
478 if (PtInRect (&rcTest, *lpPt)) {
479 *pFlags |= HHT_ONDIVIDER;
480 *pItem = iCount;
481 TRACE("ON DIVIDER %d\n", *pItem);
482 return;
483 }
484
485 *pFlags |= HHT_ONHEADER;
486 *pItem = iCount;
487 TRACE("ON HEADER %d\n", iCount);
488 return;
489 }
490 }
491
492 /* check for last divider part (on nowhere) */
493 rect = infoPtr->items[infoPtr->uNumItem-1].rect;
494 rect.left = rect.right;
495 rect.right += DIVIDER_WIDTH;
496 if (PtInRect (&rect, *lpPt)) {
497 if (bNoWidth) {
498 *pFlags |= HHT_ONDIVOPEN;
499 *pItem = infoPtr->uNumItem - 1;
500 TRACE("ON DIVOPEN %d\n", *pItem);
501 return;
502 }
503 else {
504 *pFlags |= HHT_ONDIVIDER;
505 *pItem = infoPtr->uNumItem-1;
506 TRACE("ON DIVIDER %d\n", *pItem);
507 return;
508 }
509 }
510
511 *pFlags |= HHT_NOWHERE;
512 *pItem = 1;
513 TRACE("NOWHERE\n");
514 return;
515 }
516 }
517 else {
518 if (lpPt->x < rect.left) {
519 TRACE("TO LEFT\n");
520 *pFlags |= HHT_TOLEFT;
521 }
522 else if (lpPt->x > rect.right) {
523 TRACE("TO RIGHT\n");
524 *pFlags |= HHT_TORIGHT;
525 }
526
527 if (lpPt->y < rect.top) {
528 TRACE("ABOVE\n");
529 *pFlags |= HHT_ABOVE;
530 }
531 else if (lpPt->y > rect.bottom) {
532 TRACE("BELOW\n");
533 *pFlags |= HHT_BELOW;
534 }
535 }
536
537 *pItem = 1;
538 TRACE("flags=0x%X\n", *pFlags);
539 return;
540 }
541
542
543 static void
544 HEADER_DrawTrackLine (HWND hwnd, HDC hdc, INT x)
545 {
546 RECT rect;
547 HPEN hOldPen;
548 INT oldRop;
549
550 GetClientRect (hwnd, &rect);
551
552 hOldPen = SelectObject (hdc, GetStockObject (BLACK_PEN));
553 oldRop = SetROP2 (hdc, R2_XORPEN);
554 MoveToEx (hdc, x, rect.top, NULL);
555 LineTo (hdc, x, rect.bottom);
556 SetROP2 (hdc, oldRop);
557 SelectObject (hdc, hOldPen);
558 }
559
560
561 static BOOL
562 HEADER_SendSimpleNotify (HWND hwnd, UINT code)
563 {
564 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
565 NMHDR nmhdr;
566
567 nmhdr.hwndFrom = hwnd;
568 nmhdr.idFrom = GetWindowLongPtrW (hwnd, GWLP_ID);
569 nmhdr.code = code;
570
571 return (BOOL)SendMessageW (infoPtr->hwndNotify, WM_NOTIFY,
572 (WPARAM)nmhdr.idFrom, (LPARAM)&nmhdr);
573 }
574
575 static BOOL
576 HEADER_SendHeaderNotify (HWND hwnd, UINT code, INT iItem, INT mask)
577 {
578 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
579 NMHEADERA nmhdr;
580 HDITEMA nmitem;
581
582 nmhdr.hdr.hwndFrom = hwnd;
583 nmhdr.hdr.idFrom = GetWindowLongPtrW (hwnd, GWLP_ID);
584 nmhdr.hdr.code = code;
585 nmhdr.iItem = iItem;
586 nmhdr.iButton = 0;
587 nmhdr.pitem = &nmitem;
588 nmitem.mask = mask;
589 nmitem.cxy = infoPtr->items[iItem].cxy;
590 nmitem.hbm = infoPtr->items[iItem].hbm;
591 nmitem.pszText = NULL;
592 nmitem.cchTextMax = 0;
593 /* nmitem.pszText = infoPtr->items[iItem].pszText; */
594 /* nmitem.cchTextMax = infoPtr->items[iItem].cchTextMax; */
595 nmitem.fmt = infoPtr->items[iItem].fmt;
596 nmitem.lParam = infoPtr->items[iItem].lParam;
597 nmitem.iOrder = infoPtr->items[iItem].iOrder;
598 nmitem.iImage = infoPtr->items[iItem].iImage;
599
600 return (BOOL)SendMessageW (infoPtr->hwndNotify, WM_NOTIFY,
601 (WPARAM)nmhdr.hdr.idFrom, (LPARAM)&nmhdr);
602 }
603
604
605 static BOOL
606 HEADER_SendClickNotify (HWND hwnd, UINT code, INT iItem)
607 {
608 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
609 NMHEADERA nmhdr;
610
611 nmhdr.hdr.hwndFrom = hwnd;
612 nmhdr.hdr.idFrom = GetWindowLongPtrW (hwnd, GWLP_ID);
613 nmhdr.hdr.code = code;
614 nmhdr.iItem = iItem;
615 nmhdr.iButton = 0;
616 nmhdr.pitem = NULL;
617
618 return (BOOL)SendMessageA (infoPtr->hwndNotify, WM_NOTIFY,
619 (WPARAM)nmhdr.hdr.idFrom, (LPARAM)&nmhdr);
620 }
621
622
623 static LRESULT
624 HEADER_CreateDragImage (HWND hwnd, WPARAM wParam)
625 {
626 FIXME("empty stub!\n");
627 return 0;
628 }
629
630
631 static LRESULT
632 HEADER_DeleteItem (HWND hwnd, WPARAM wParam)
633 {
634 HEADER_INFO *infoPtr = HEADER_GetInfoPtr(hwnd);
635 INT iItem = (INT)wParam;
636
637 TRACE("[iItem=%d]\n", iItem);
638
639 if ((iItem < 0) || (iItem >= (INT)infoPtr->uNumItem))
640 return FALSE;
641
642 if (infoPtr->uNumItem == 1) {
643 TRACE("Simple delete!\n");
644 if (infoPtr->items[0].pszText)
645 Free (infoPtr->items[0].pszText);
646 Free (infoPtr->items);
647 Free(infoPtr->order);
648 infoPtr->items = 0;
649 infoPtr->order = 0;
650 infoPtr->uNumItem = 0;
651 }
652 else {
653 HEADER_ITEM *oldItems = infoPtr->items;
654 INT i;
655 INT iOrder;
656 TRACE("Complex delete! [iItem=%d]\n", iItem);
657
658 for (i = 0; i < infoPtr->uNumItem; i++)
659 TRACE("%d: order=%d, iOrder=%d, ->iOrder=%d\n", i, infoPtr->order[i], infoPtr->items[i].iOrder, infoPtr->items[infoPtr->order[i]].iOrder);
660 if (infoPtr->items[iItem].pszText)
661 Free (infoPtr->items[iItem].pszText);
662 iOrder = infoPtr->items[iItem].iOrder;
663
664 infoPtr->uNumItem--;
665 infoPtr->items = Alloc (sizeof (HEADER_ITEM) * infoPtr->uNumItem);
666 /* pre delete copy */
667 if (iItem > 0) {
668 memcpy (&infoPtr->items[0], &oldItems[0],
669 iItem * sizeof(HEADER_ITEM));
670 }
671
672 /* post delete copy */
673 if (iItem < infoPtr->uNumItem) {
674 memcpy (&infoPtr->items[iItem], &oldItems[iItem+1],
675 (infoPtr->uNumItem - iItem) * sizeof(HEADER_ITEM));
676 }
677
678 /* Correct the orders */
679 if (iOrder < infoPtr->uNumItem)
680 {
681 memmove(&infoPtr->order[iOrder], &infoPtr->order[iOrder + 1],
682 (infoPtr->uNumItem - iOrder) * sizeof(INT));
683 for (i = 0; i < infoPtr->uNumItem; i++)
684 {
685 if (infoPtr->order[i] > iItem)
686 infoPtr->order[i]--;
687 if (i >= iOrder)
688 infoPtr->items[infoPtr->order[i]].iOrder = infoPtr->order[i];
689 }
690 }
691
692 for (i = 0; i < infoPtr->uNumItem; i++)
693 TRACE("%d: order=%d, iOrder=%d, ->iOrder=%d\n", i, infoPtr->order[i], infoPtr->items[i].iOrder, infoPtr->items[infoPtr->order[i]].iOrder);
694 Free (oldItems);
695 }
696
697 HEADER_SetItemBounds (hwnd);
698
699 InvalidateRect(hwnd, NULL, FALSE);
700
701 return TRUE;
702 }
703
704
705 static LRESULT
706 HEADER_GetImageList (HWND hwnd)
707 {
708 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
709
710 return (LRESULT)infoPtr->himl;
711 }
712
713
714 static LRESULT
715 HEADER_GetItemA (HWND hwnd, WPARAM wParam, LPARAM lParam)
716 {
717 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
718 HDITEMA *phdi = (HDITEMA*)lParam;
719 INT nItem = (INT)wParam;
720 HEADER_ITEM *lpItem;
721
722 if (!phdi)
723 return FALSE;
724
725 TRACE("[nItem=%d]\n", nItem);
726
727 if (phdi->mask == 0)
728 return TRUE;
729
730 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem)) {
731 lpItem = NULL;
732 }
733 else {
734 lpItem = &infoPtr->items[nItem];
735 }
736
737 if (phdi->mask & HDI_BITMAP)
738 phdi->hbm = (lpItem != NULL) ? lpItem->hbm : 0;
739
740 if (phdi->mask & HDI_FORMAT)
741 phdi->fmt = (lpItem != NULL) ? lpItem->fmt : 0;
742
743 if (phdi->mask & HDI_WIDTH)
744 phdi->cxy = (lpItem != NULL) ? lpItem->cxy : 0;
745
746 if (phdi->mask & HDI_LPARAM)
747 phdi->lParam = (lpItem != NULL) ? lpItem->lParam : 0;
748
749 if (phdi->mask & HDI_TEXT) {
750 if (lpItem == NULL) {
751 *phdi->pszText = 0;
752 }
753 else if (lpItem->pszText != LPSTR_TEXTCALLBACKW) {
754 if (lpItem->pszText)
755 WideCharToMultiByte (CP_ACP, 0, lpItem->pszText, -1,
756 phdi->pszText, phdi->cchTextMax, NULL, NULL);
757 else
758 *phdi->pszText = 0;
759 }
760 else
761 phdi->pszText = LPSTR_TEXTCALLBACKA;
762 }
763
764 if (phdi->mask & HDI_IMAGE)
765 phdi->iImage = (lpItem != NULL) ? lpItem->iImage : 0;
766
767 if (phdi->mask & HDI_ORDER)
768 phdi->iOrder = (lpItem != NULL) ? lpItem->iOrder : 0;
769
770 return TRUE;
771 }
772
773
774 static LRESULT
775 HEADER_GetItemW (HWND hwnd, WPARAM wParam, LPARAM lParam)
776 {
777 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
778 HDITEMW *phdi = (HDITEMW*)lParam;
779 INT nItem = (INT)wParam;
780 HEADER_ITEM *lpItem;
781
782 if (!phdi)
783 return FALSE;
784
785 TRACE("[nItem=%d]\n", nItem);
786
787 if (phdi->mask == 0)
788 return TRUE;
789
790 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem)) {
791 lpItem = NULL;
792 }
793 else {
794 lpItem = &infoPtr->items[nItem];
795 }
796
797 if (phdi->mask & HDI_BITMAP)
798 phdi->hbm = (lpItem != NULL) ? lpItem->hbm : 0;
799
800 if (phdi->mask & HDI_FORMAT)
801 phdi->fmt = (lpItem != NULL) ? lpItem->fmt : 0;
802
803 if (phdi->mask & HDI_WIDTH)
804 phdi->cxy = (lpItem != NULL) ? lpItem->cxy : 0;
805
806 if (phdi->mask & HDI_LPARAM)
807 phdi->lParam = (lpItem != NULL) ? lpItem->lParam : 0;
808
809 if (phdi->mask & HDI_TEXT) {
810 if (lpItem == NULL) {
811 *phdi->pszText = 0;
812 }
813 else if (lpItem->pszText != LPSTR_TEXTCALLBACKW) {
814 if (lpItem->pszText)
815 lstrcpynW (phdi->pszText, lpItem->pszText, phdi->cchTextMax);
816 else
817 *phdi->pszText = 0;
818 }
819 else
820 phdi->pszText = LPSTR_TEXTCALLBACKW;
821 }
822
823 if (phdi->mask & HDI_IMAGE)
824 phdi->iImage = (lpItem != NULL) ? lpItem->iImage : 0;
825
826 if (phdi->mask & HDI_ORDER)
827 phdi->iOrder = (lpItem != NULL) ? lpItem->iOrder : 0;
828
829 return TRUE;
830 }
831
832
833 inline static LRESULT
834 HEADER_GetItemCount (HWND hwnd)
835 {
836 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
837 return infoPtr->uNumItem;
838 }
839
840
841 static LRESULT
842 HEADER_GetItemRect (HWND hwnd, WPARAM wParam, LPARAM lParam)
843 {
844 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
845 INT iItem = (INT)wParam;
846 LPRECT lpRect = (LPRECT)lParam;
847
848 if ((iItem < 0) || (iItem >= (INT)infoPtr->uNumItem))
849 return FALSE;
850
851 lpRect->left = infoPtr->items[iItem].rect.left;
852 lpRect->right = infoPtr->items[iItem].rect.right;
853 lpRect->top = infoPtr->items[iItem].rect.top;
854 lpRect->bottom = infoPtr->items[iItem].rect.bottom;
855
856 return TRUE;
857 }
858
859
860 static LRESULT
861 HEADER_GetOrderArray(HWND hwnd, WPARAM wParam, LPARAM lParam)
862 {
863 LPINT order = (LPINT) lParam;
864 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
865
866 if ((unsigned int)wParam <infoPtr->uNumItem)
867 return FALSE;
868
869 memcpy(order, infoPtr->order, infoPtr->uNumItem * sizeof(INT));
870 return TRUE;
871 }
872
873 static LRESULT
874 HEADER_SetOrderArray(HWND hwnd, WPARAM wParam, LPARAM lParam)
875 {
876 int i;
877 LPINT order = (LPINT) lParam;
878 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
879 HEADER_ITEM *lpItem;
880
881 if ((unsigned int)wParam <infoPtr->uNumItem)
882 return FALSE;
883 memcpy(infoPtr->order, order, infoPtr->uNumItem * sizeof(INT));
884 for (i=0; i<(int)wParam; i++)
885 {
886 lpItem = &infoPtr->items[*order++];
887 lpItem->iOrder=i;
888 }
889 infoPtr->bRectsValid=0;
890 InvalidateRect(hwnd, NULL, FALSE);
891 return TRUE;
892 }
893
894 inline static LRESULT
895 HEADER_GetUnicodeFormat (HWND hwnd)
896 {
897 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
898 return infoPtr->bUnicode;
899 }
900
901
902 static LRESULT
903 HEADER_HitTest (HWND hwnd, WPARAM wParam, LPARAM lParam)
904 {
905 LPHDHITTESTINFO phti = (LPHDHITTESTINFO)lParam;
906
907 HEADER_InternalHitTest (hwnd, &phti->pt, &phti->flags, &phti->iItem);
908
909 if (phti->flags == HHT_NOWHERE)
910 return -1;
911 else
912 return phti->iItem;
913 }
914
915
916 static LRESULT
917 HEADER_InsertItemA (HWND hwnd, WPARAM wParam, LPARAM lParam)
918 {
919 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
920 HDITEMA *phdi = (HDITEMA*)lParam;
921 INT nItem = (INT)wParam;
922 HEADER_ITEM *lpItem;
923 INT len, iOrder;
924 UINT i;
925
926 if ((phdi == NULL) || (nItem < 0))
927 return -1;
928
929 if (nItem > infoPtr->uNumItem)
930 nItem = infoPtr->uNumItem;
931
932 iOrder = (phdi->mask & HDI_ORDER) ? phdi->iOrder : nItem;
933 if (iOrder < 0)
934 iOrder = 0;
935 else if (infoPtr->uNumItem < iOrder)
936 iOrder = infoPtr->uNumItem;
937
938 if (infoPtr->uNumItem == 0) {
939 infoPtr->items = Alloc (sizeof (HEADER_ITEM));
940 infoPtr->order = Alloc(sizeof(INT));
941 infoPtr->uNumItem++;
942 }
943 else {
944 HEADER_ITEM *oldItems = infoPtr->items;
945 INT *oldOrder = infoPtr->order;
946
947 infoPtr->uNumItem++;
948 infoPtr->items = Alloc (sizeof (HEADER_ITEM) * infoPtr->uNumItem);
949 if (nItem == 0) {
950 memcpy (&infoPtr->items[1], &oldItems[0],
951 (infoPtr->uNumItem-1) * sizeof(HEADER_ITEM));
952 }
953 else
954 {
955 /* pre insert copy */
956 if (nItem > 0) {
957 memcpy (&infoPtr->items[0], &oldItems[0],
958 nItem * sizeof(HEADER_ITEM));
959 }
960
961 /* post insert copy */
962 if (nItem < infoPtr->uNumItem - 1) {
963 memcpy (&infoPtr->items[nItem+1], &oldItems[nItem],
964 (infoPtr->uNumItem - nItem - 1) * sizeof(HEADER_ITEM));
965 }
966 }
967
968 infoPtr->order = Alloc(sizeof(INT) * infoPtr->uNumItem);
969 memcpy(infoPtr->order, oldOrder, iOrder * sizeof(INT));
970 infoPtr->order[iOrder] = nItem;
971 memcpy(&infoPtr->order[iOrder + 1], &oldOrder[iOrder],
972 (infoPtr->uNumItem - iOrder - 1) * sizeof(INT));
973
974 Free (oldItems);
975 Free(oldOrder);
976 }
977
978 for (i = 0; i < infoPtr->uNumItem; i++)
979 {
980 if (i != iOrder && infoPtr->order[i] >= nItem)
981 infoPtr->order[i]++;
982 infoPtr->items[infoPtr->order[i]].iOrder = infoPtr->order[i];
983 }
984
985 lpItem = &infoPtr->items[nItem];
986 lpItem->bDown = FALSE;
987
988 if (phdi->mask & HDI_WIDTH)
989 lpItem->cxy = phdi->cxy;
990
991 if (phdi->mask & HDI_TEXT) {
992 if (!phdi->pszText) /* null pointer check */
993 phdi->pszText = "";
994 if (phdi->pszText != LPSTR_TEXTCALLBACKA) {
995 len = MultiByteToWideChar(CP_ACP, 0, phdi->pszText, -1, NULL, 0);
996 lpItem->pszText = Alloc( len*sizeof(WCHAR) );
997 MultiByteToWideChar(CP_ACP, 0, phdi->pszText, -1, lpItem->pszText, len);
998 }
999 else
1000 lpItem->pszText = LPSTR_TEXTCALLBACKW;
1001 }
1002
1003 if (phdi->mask & HDI_FORMAT)
1004 lpItem->fmt = phdi->fmt;
1005
1006 if (lpItem->fmt == 0)
1007 lpItem->fmt = HDF_LEFT;
1008
1009 if (!(lpItem->fmt & HDF_STRING) && (phdi->mask & HDI_TEXT))
1010 {
1011 lpItem->fmt |= HDF_STRING;
1012 }
1013 if (phdi->mask & HDI_BITMAP)
1014 lpItem->hbm = phdi->hbm;
1015
1016 if (phdi->mask & HDI_LPARAM)
1017 lpItem->lParam = phdi->lParam;
1018
1019 if (phdi->mask & HDI_IMAGE)
1020 lpItem->iImage = phdi->iImage;
1021
1022 lpItem->iOrder = iOrder;
1023
1024 HEADER_SetItemBounds (hwnd);
1025
1026 InvalidateRect(hwnd, NULL, FALSE);
1027
1028 return nItem;
1029 }
1030
1031
1032 static LRESULT
1033 HEADER_InsertItemW (HWND hwnd, WPARAM wParam, LPARAM lParam)
1034 {
1035 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1036 HDITEMW *phdi = (HDITEMW*)lParam;
1037 INT nItem = (INT)wParam;
1038 HEADER_ITEM *lpItem;
1039 INT len, iOrder;
1040 UINT i;
1041
1042 if ((phdi == NULL) || (nItem < 0))
1043 return -1;
1044
1045 if (nItem > infoPtr->uNumItem)
1046 nItem = infoPtr->uNumItem;
1047
1048 iOrder = (phdi->mask & HDI_ORDER) ? phdi->iOrder : nItem;
1049
1050 if (infoPtr->uNumItem == 0) {
1051 infoPtr->items = Alloc (sizeof (HEADER_ITEM));
1052 infoPtr->order = Alloc(sizeof(INT));
1053 infoPtr->uNumItem++;
1054 }
1055 else {
1056 HEADER_ITEM *oldItems = infoPtr->items;
1057 INT *oldOrder = infoPtr->order;
1058
1059 infoPtr->uNumItem++;
1060 infoPtr->items = Alloc (sizeof (HEADER_ITEM) * infoPtr->uNumItem);
1061 if (nItem == 0) {
1062 memcpy (&infoPtr->items[1], &oldItems[0],
1063 (infoPtr->uNumItem-1) * sizeof(HEADER_ITEM));
1064 }
1065 else
1066 {
1067 /* pre insert copy */
1068 if (nItem > 0) {
1069 memcpy (&infoPtr->items[0], &oldItems[0],
1070 nItem * sizeof(HEADER_ITEM));
1071 }
1072
1073 /* post insert copy */
1074 if (nItem < infoPtr->uNumItem - 1) {
1075 memcpy (&infoPtr->items[nItem+1], &oldItems[nItem],
1076 (infoPtr->uNumItem - nItem - 1) * sizeof(HEADER_ITEM));
1077 }
1078 }
1079
1080 infoPtr->order = Alloc(infoPtr->uNumItem * sizeof(INT));
1081 memcpy(infoPtr->order, oldOrder, iOrder * sizeof(INT));
1082 infoPtr->order[iOrder] = nItem;
1083 memcpy(&infoPtr->order[iOrder + 1], &oldOrder[iOrder],
1084 (infoPtr->uNumItem - iOrder - 1) * sizeof(INT));
1085
1086 Free (oldItems);
1087 Free(oldOrder);
1088 }
1089
1090 for (i = 0; i < infoPtr->uNumItem; i++)
1091 {
1092 if (i != iOrder && infoPtr->order[i] >= nItem)
1093 infoPtr->order[i]++;
1094 infoPtr->items[infoPtr->order[i]].iOrder = infoPtr->order[i];
1095 }
1096
1097 lpItem = &infoPtr->items[nItem];
1098 lpItem->bDown = FALSE;
1099
1100 if (phdi->mask & HDI_WIDTH)
1101 lpItem->cxy = phdi->cxy;
1102
1103 if (phdi->mask & HDI_TEXT) {
1104 WCHAR wide_null_char = 0;
1105 if (!phdi->pszText) /* null pointer check */
1106 phdi->pszText = &wide_null_char;
1107 if (phdi->pszText != LPSTR_TEXTCALLBACKW) {
1108 len = strlenW (phdi->pszText);
1109 lpItem->pszText = Alloc ((len+1)*sizeof(WCHAR));
1110 strcpyW (lpItem->pszText, phdi->pszText);
1111 }
1112 else
1113 lpItem->pszText = LPSTR_TEXTCALLBACKW;
1114 }
1115
1116 if (phdi->mask & HDI_FORMAT)
1117 lpItem->fmt = phdi->fmt;
1118
1119 if (lpItem->fmt == 0)
1120 lpItem->fmt = HDF_LEFT;
1121
1122 if (!(lpItem->fmt &HDF_STRING) && (phdi->mask & HDI_TEXT))
1123 {
1124 lpItem->fmt |= HDF_STRING;
1125 }
1126 if (phdi->mask & HDI_BITMAP)
1127 lpItem->hbm = phdi->hbm;
1128
1129 if (phdi->mask & HDI_LPARAM)
1130 lpItem->lParam = phdi->lParam;
1131
1132 if (phdi->mask & HDI_IMAGE)
1133 lpItem->iImage = phdi->iImage;
1134
1135 lpItem->iOrder = iOrder;
1136
1137 HEADER_SetItemBounds (hwnd);
1138
1139 InvalidateRect(hwnd, NULL, FALSE);
1140
1141 return nItem;
1142 }
1143
1144
1145 static LRESULT
1146 HEADER_Layout (HWND hwnd, WPARAM wParam, LPARAM lParam)
1147 {
1148 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1149 LPHDLAYOUT lpLayout = (LPHDLAYOUT)lParam;
1150
1151 lpLayout->pwpos->hwnd = hwnd;
1152 lpLayout->pwpos->hwndInsertAfter = 0;
1153 lpLayout->pwpos->x = lpLayout->prc->left;
1154 lpLayout->pwpos->y = lpLayout->prc->top;
1155 lpLayout->pwpos->cx = lpLayout->prc->right - lpLayout->prc->left;
1156 if (GetWindowLongW (hwnd, GWL_STYLE) & HDS_HIDDEN)
1157 lpLayout->pwpos->cy = 0;
1158 else {
1159 lpLayout->pwpos->cy = infoPtr->nHeight;
1160 lpLayout->prc->top += infoPtr->nHeight;
1161 }
1162 lpLayout->pwpos->flags = SWP_NOZORDER;
1163
1164 TRACE("Layout x=%d y=%d cx=%d cy=%d\n",
1165 lpLayout->pwpos->x, lpLayout->pwpos->y,
1166 lpLayout->pwpos->cx, lpLayout->pwpos->cy);
1167
1168 infoPtr->bRectsValid = FALSE;
1169
1170 return TRUE;
1171 }
1172
1173
1174 static LRESULT
1175 HEADER_SetImageList (HWND hwnd, HIMAGELIST himl)
1176 {
1177 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1178 HIMAGELIST himlOld;
1179
1180 TRACE("(himl %p)\n", himl);
1181 himlOld = infoPtr->himl;
1182 infoPtr->himl = himl;
1183
1184 /* FIXME: Refresh needed??? */
1185
1186 return (LRESULT)himlOld;
1187 }
1188
1189
1190 static LRESULT
1191 HEADER_GetBitmapMargin(HWND hwnd)
1192 {
1193 HEADER_INFO *infoPtr = HEADER_GetInfoPtr(hwnd);
1194
1195 return infoPtr->iMargin;
1196 }
1197
1198 static LRESULT
1199 HEADER_SetBitmapMargin(HWND hwnd, WPARAM wParam)
1200 {
1201 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1202 INT oldMargin = infoPtr->iMargin;
1203
1204 infoPtr->iMargin = (INT)wParam;
1205
1206 return oldMargin;
1207 }
1208
1209 static LRESULT
1210 HEADER_SetItemA (HWND hwnd, WPARAM wParam, LPARAM lParam)
1211 {
1212 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1213 HDITEMA *phdi = (HDITEMA*)lParam;
1214 INT nItem = (INT)wParam;
1215 HEADER_ITEM *lpItem;
1216
1217 if (phdi == NULL)
1218 return FALSE;
1219 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
1220 return FALSE;
1221
1222 TRACE("[nItem=%d]\n", nItem);
1223
1224 if (HEADER_SendHeaderNotify (hwnd, HDN_ITEMCHANGINGA, nItem, phdi->mask))
1225 return FALSE;
1226
1227 lpItem = &infoPtr->items[nItem];
1228 if (phdi->mask & HDI_BITMAP)
1229 lpItem->hbm = phdi->hbm;
1230
1231 if (phdi->mask & HDI_FORMAT)
1232 lpItem->fmt = phdi->fmt;
1233
1234 if (phdi->mask & HDI_LPARAM)
1235 lpItem->lParam = phdi->lParam;
1236
1237 if (phdi->mask & HDI_TEXT) {
1238 if (phdi->pszText != LPSTR_TEXTCALLBACKA) {
1239 if (lpItem->pszText) {
1240 Free (lpItem->pszText);
1241 lpItem->pszText = NULL;
1242 }
1243 if (phdi->pszText) {
1244 INT len = MultiByteToWideChar (CP_ACP,0,phdi->pszText,-1,NULL,0);
1245 lpItem->pszText = Alloc( len*sizeof(WCHAR) );
1246 MultiByteToWideChar (CP_ACP,0,phdi->pszText,-1,lpItem->pszText,len);
1247 }
1248 }
1249 else
1250 lpItem->pszText = LPSTR_TEXTCALLBACKW;
1251 }
1252
1253 if (phdi->mask & HDI_WIDTH)
1254 lpItem->cxy = phdi->cxy;
1255
1256 if (phdi->mask & HDI_IMAGE)
1257 lpItem->iImage = phdi->iImage;
1258
1259 if (phdi->mask & HDI_ORDER)
1260 {
1261 INT i, nMin, nMax;
1262
1263 if (lpItem->iOrder < phdi->iOrder)
1264 {
1265 memmove(&infoPtr->order[lpItem->iOrder],
1266 &infoPtr->order[lpItem->iOrder + 1],
1267 (phdi->iOrder - lpItem->iOrder) * sizeof(INT));
1268 }
1269 if (phdi->iOrder < lpItem->iOrder)
1270 {
1271 memmove(&infoPtr->order[phdi->iOrder + 1],
1272 &infoPtr->order[phdi->iOrder],
1273 (lpItem->iOrder - phdi->iOrder) * sizeof(INT));
1274 }
1275 infoPtr->order[phdi->iOrder] = nItem;
1276 nMin = min(lpItem->iOrder, phdi->iOrder);
1277 nMax = max(lpItem->iOrder, phdi->iOrder);
1278 for (i = nMin; i <= nMax; i++)
1279 {
1280 infoPtr->items[infoPtr->order[i]].iOrder = infoPtr->order[i];
1281 }
1282 }
1283
1284 HEADER_SendHeaderNotify (hwnd, HDN_ITEMCHANGEDA, nItem, phdi->mask);
1285
1286 HEADER_SetItemBounds (hwnd);
1287
1288 InvalidateRect(hwnd, NULL, FALSE);
1289
1290 return TRUE;
1291 }
1292
1293
1294 static LRESULT
1295 HEADER_SetItemW (HWND hwnd, WPARAM wParam, LPARAM lParam)
1296 {
1297 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1298 HDITEMW *phdi = (HDITEMW*)lParam;
1299 INT nItem = (INT)wParam;
1300 HEADER_ITEM *lpItem;
1301
1302 if (phdi == NULL)
1303 return FALSE;
1304 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
1305 return FALSE;
1306
1307 TRACE("[nItem=%d]\n", nItem);
1308
1309 if (HEADER_SendHeaderNotify (hwnd, HDN_ITEMCHANGINGW, nItem, phdi->mask))
1310 return FALSE;
1311
1312 lpItem = &infoPtr->items[nItem];
1313 if (phdi->mask & HDI_BITMAP)
1314 lpItem->hbm = phdi->hbm;
1315
1316 if (phdi->mask & HDI_FORMAT)
1317 lpItem->fmt = phdi->fmt;
1318
1319 if (phdi->mask & HDI_LPARAM)
1320 lpItem->lParam = phdi->lParam;
1321
1322 if (phdi->mask & HDI_TEXT) {
1323 if (phdi->pszText != LPSTR_TEXTCALLBACKW) {
1324 if (lpItem->pszText) {
1325 Free (lpItem->pszText);
1326 lpItem->pszText = NULL;
1327 }
1328 if (phdi->pszText) {
1329 INT len = strlenW (phdi->pszText);
1330 lpItem->pszText = Alloc ((len+1)*sizeof(WCHAR));
1331 strcpyW (lpItem->pszText, phdi->pszText);
1332 }
1333 }
1334 else
1335 lpItem->pszText = LPSTR_TEXTCALLBACKW;
1336 }
1337
1338 if (phdi->mask & HDI_WIDTH)
1339 lpItem->cxy = phdi->cxy;
1340
1341 if (phdi->mask & HDI_IMAGE)
1342 lpItem->iImage = phdi->iImage;
1343
1344 if (phdi->mask & HDI_ORDER)
1345 {
1346 INT i, nMin, nMax;
1347
1348 if (lpItem->iOrder < phdi->iOrder)
1349 {
1350 memmove(&infoPtr->order[lpItem->iOrder],
1351 &infoPtr->order[lpItem->iOrder + 1],
1352 (phdi->iOrder - lpItem->iOrder) * sizeof(INT));
1353 }
1354 if (phdi->iOrder < lpItem->iOrder)
1355 {
1356 memmove(&infoPtr->order[phdi->iOrder + 1],
1357 &infoPtr->order[phdi->iOrder],
1358 (lpItem->iOrder - phdi->iOrder) * sizeof(INT));
1359 }
1360 infoPtr->order[phdi->iOrder] = nItem;
1361 nMin = min(lpItem->iOrder, phdi->iOrder);
1362 nMax = max(lpItem->iOrder, phdi->iOrder);
1363 for (i = nMin; i <= nMax; i++)
1364 {
1365 infoPtr->items[infoPtr->order[i]].iOrder = infoPtr->order[i];
1366 }
1367 }
1368
1369 HEADER_SendHeaderNotify(hwnd, HDN_ITEMCHANGEDW, nItem, phdi->mask);
1370
1371 HEADER_SetItemBounds (hwnd);
1372
1373 InvalidateRect(hwnd, NULL, FALSE);
1374
1375 return TRUE;
1376 }
1377
1378 inline static LRESULT
1379 HEADER_SetUnicodeFormat (HWND hwnd, WPARAM wParam)
1380 {
1381 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1382 BOOL bTemp = infoPtr->bUnicode;
1383
1384 infoPtr->bUnicode = (BOOL)wParam;
1385
1386 return bTemp;
1387 }
1388
1389
1390 static LRESULT
1391 HEADER_Create (HWND hwnd, WPARAM wParam, LPARAM lParam)
1392 {
1393 HEADER_INFO *infoPtr;
1394 TEXTMETRICW tm;
1395 HFONT hOldFont;
1396 HDC hdc;
1397
1398 infoPtr = (HEADER_INFO *)Alloc (sizeof(HEADER_INFO));
1399 SetWindowLongPtrW (hwnd, 0, (DWORD_PTR)infoPtr);
1400
1401 infoPtr->hwndNotify = ((LPCREATESTRUCTA)lParam)->hwndParent;
1402 infoPtr->uNumItem = 0;
1403 infoPtr->hFont = 0;
1404 infoPtr->items = 0;
1405 infoPtr->order = 0;
1406 infoPtr->bRectsValid = FALSE;
1407 infoPtr->hcurArrow = LoadCursorW (0, (LPWSTR)IDC_ARROW);
1408 infoPtr->hcurDivider = LoadCursorW (COMCTL32_hModule, MAKEINTRESOURCEW(IDC_DIVIDER));
1409 infoPtr->hcurDivopen = LoadCursorW (COMCTL32_hModule, MAKEINTRESOURCEW(IDC_DIVIDEROPEN));
1410 infoPtr->bPressed = FALSE;
1411 infoPtr->bTracking = FALSE;
1412 infoPtr->iMoveItem = 0;
1413 infoPtr->himl = 0;
1414 infoPtr->iHotItem = -1;
1415 infoPtr->bUnicode = IsWindowUnicode (hwnd);
1416 infoPtr->iMargin = 3*GetSystemMetrics(SM_CXEDGE);
1417 infoPtr->nNotifyFormat =
1418 SendMessageW (infoPtr->hwndNotify, WM_NOTIFYFORMAT, (WPARAM)hwnd, NF_QUERY);
1419
1420 hdc = GetDC (0);
1421 hOldFont = SelectObject (hdc, GetStockObject (SYSTEM_FONT));
1422 GetTextMetricsW (hdc, &tm);
1423 infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
1424 SelectObject (hdc, hOldFont);
1425 ReleaseDC (0, hdc);
1426
1427 OpenThemeData(hwnd, themeClass);
1428
1429 return 0;
1430 }
1431
1432
1433 static LRESULT
1434 HEADER_Destroy (HWND hwnd, WPARAM wParam, LPARAM lParam)
1435 {
1436 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1437 HEADER_ITEM *lpItem;
1438 INT nItem;
1439 HTHEME theme;
1440
1441 if (infoPtr->items) {
1442 lpItem = infoPtr->items;
1443 for (nItem = 0; nItem < infoPtr->uNumItem; nItem++, lpItem++) {
1444 if ((lpItem->pszText) && (lpItem->pszText != LPSTR_TEXTCALLBACKW))
1445 Free (lpItem->pszText);
1446 }
1447 Free (infoPtr->items);
1448 }
1449
1450 if (infoPtr->order)
1451 Free(infoPtr->order);
1452
1453 if (infoPtr->himl)
1454 ImageList_Destroy (infoPtr->himl);
1455
1456 SetWindowLongPtrW (hwnd, 0, 0);
1457 Free (infoPtr);
1458
1459 theme = GetWindowTheme(hwnd);
1460 CloseThemeData(theme);
1461 return 0;
1462 }
1463
1464
1465 static inline LRESULT
1466 HEADER_GetFont (HWND hwnd)
1467 {
1468 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1469
1470 return (LRESULT)infoPtr->hFont;
1471 }
1472
1473
1474 static LRESULT
1475 HEADER_LButtonDblClk (HWND hwnd, WPARAM wParam, LPARAM lParam)
1476 {
1477 POINT pt;
1478 UINT flags;
1479 INT nItem;
1480
1481 pt.x = (INT)LOWORD(lParam);
1482 pt.y = (INT)HIWORD(lParam);
1483 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1484
1485 if ((GetWindowLongW (hwnd, GWL_STYLE) & HDS_BUTTONS) && (flags == HHT_ONHEADER))
1486 HEADER_SendHeaderNotify (hwnd, HDN_ITEMDBLCLICKA, nItem,0);
1487 else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN))
1488 HEADER_SendHeaderNotify (hwnd, HDN_DIVIDERDBLCLICKA, nItem,0);
1489
1490 return 0;
1491 }
1492
1493
1494 static LRESULT
1495 HEADER_LButtonDown (HWND hwnd, WPARAM wParam, LPARAM lParam)
1496 {
1497 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1498 DWORD dwStyle = GetWindowLongW (hwnd, GWL_STYLE);
1499 POINT pt;
1500 UINT flags;
1501 INT nItem;
1502 HDC hdc;
1503
1504 pt.x = (INT)LOWORD(lParam);
1505 pt.y = (INT)HIWORD(lParam);
1506 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1507
1508 if ((dwStyle & HDS_BUTTONS) && (flags == HHT_ONHEADER)) {
1509 SetCapture (hwnd);
1510 infoPtr->bCaptured = TRUE;
1511 infoPtr->bPressed = TRUE;
1512 infoPtr->iMoveItem = nItem;
1513
1514 infoPtr->items[nItem].bDown = TRUE;
1515
1516 /* Send WM_CUSTOMDRAW */
1517 hdc = GetDC (hwnd);
1518 HEADER_RefreshItem (hwnd, hdc, nItem);
1519 ReleaseDC (hwnd, hdc);
1520
1521 TRACE("Pressed item %d!\n", nItem);
1522 }
1523 else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN)) {
1524 if (!(HEADER_SendHeaderNotify (hwnd, HDN_BEGINTRACKA, nItem,0))) {
1525 SetCapture (hwnd);
1526 infoPtr->bCaptured = TRUE;
1527 infoPtr->bTracking = TRUE;
1528 infoPtr->iMoveItem = nItem;
1529 infoPtr->nOldWidth = infoPtr->items[nItem].cxy;
1530 infoPtr->xTrackOffset = infoPtr->items[nItem].rect.right - pt.x;
1531
1532 if (!(dwStyle & HDS_FULLDRAG)) {
1533 infoPtr->xOldTrack = infoPtr->items[nItem].rect.right;
1534 hdc = GetDC (hwnd);
1535 HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
1536 ReleaseDC (hwnd, hdc);
1537 }
1538
1539 TRACE("Begin tracking item %d!\n", nItem);
1540 }
1541 }
1542
1543 return 0;
1544 }
1545
1546
1547 static LRESULT
1548 HEADER_LButtonUp (HWND hwnd, WPARAM wParam, LPARAM lParam)
1549 {
1550 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1551 /*
1552 *DWORD dwStyle = GetWindowLongW (hwnd, GWL_STYLE);
1553 */
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 (infoPtr->bPressed) {
1564 if ((nItem == infoPtr->iMoveItem) && (flags == HHT_ONHEADER)) {
1565 infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
1566 hdc = GetDC (hwnd);
1567 HEADER_RefreshItem (hwnd, hdc, infoPtr->iMoveItem);
1568 ReleaseDC (hwnd, hdc);
1569
1570 HEADER_SendClickNotify (hwnd, HDN_ITEMCLICKA, infoPtr->iMoveItem);
1571 }
1572 else if (flags == HHT_ONHEADER)
1573 {
1574 HEADER_ITEM *lpItem;
1575 INT newindex = HEADER_IndexToOrder(hwnd,nItem);
1576 INT oldindex = HEADER_IndexToOrder(hwnd,infoPtr->iMoveItem);
1577
1578 TRACE("Exchanging [index:order] [%d:%d] [%d:%d]\n",
1579 infoPtr->iMoveItem,oldindex,nItem,newindex);
1580 lpItem= &infoPtr->items[nItem];
1581 lpItem->iOrder=oldindex;
1582
1583 lpItem= &infoPtr->items[infoPtr->iMoveItem];
1584 lpItem->iOrder = newindex;
1585
1586 infoPtr->order[oldindex] = nItem;
1587 infoPtr->order[newindex] = infoPtr->iMoveItem;
1588
1589 infoPtr->bRectsValid = FALSE;
1590 InvalidateRect(hwnd, NULL, FALSE);
1591 /* FIXME: Should some WM_NOTIFY be sent */
1592 }
1593
1594 TRACE("Released item %d!\n", infoPtr->iMoveItem);
1595 infoPtr->bPressed = FALSE;
1596 }
1597 else if (infoPtr->bTracking) {
1598 TRACE("End tracking item %d!\n", infoPtr->iMoveItem);
1599 infoPtr->bTracking = FALSE;
1600
1601 HEADER_SendHeaderNotify (hwnd, HDN_ENDTRACKA, infoPtr->iMoveItem,HDI_WIDTH);
1602
1603 /*
1604 * we want to do this even for HDS_FULLDRAG because this is where
1605 * we send the HDN_ITEMCHANGING and HDN_ITEMCHANGED notifications
1606 *
1607 * if (!(dwStyle & HDS_FULLDRAG)) {
1608 */
1609
1610 hdc = GetDC (hwnd);
1611 HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
1612 ReleaseDC (hwnd, hdc);
1613 if (HEADER_SendHeaderNotify(hwnd, HDN_ITEMCHANGINGA, infoPtr->iMoveItem, HDI_WIDTH))
1614 {
1615 infoPtr->items[infoPtr->iMoveItem].cxy = infoPtr->nOldWidth;
1616 }
1617 else {
1618 nWidth = pt.x - infoPtr->items[infoPtr->iMoveItem].rect.left + infoPtr->xTrackOffset;
1619 if (nWidth < 0)
1620 nWidth = 0;
1621 infoPtr->items[infoPtr->iMoveItem].cxy = nWidth;
1622 }
1623
1624 HEADER_SetItemBounds (hwnd);
1625 InvalidateRect(hwnd, NULL, TRUE);
1626 HEADER_SendHeaderNotify(hwnd, HDN_ITEMCHANGEDA, infoPtr->iMoveItem, HDI_WIDTH);
1627 /*
1628 * }
1629 */
1630 }
1631
1632 if (infoPtr->bCaptured) {
1633 infoPtr->bCaptured = FALSE;
1634 ReleaseCapture ();
1635 HEADER_SendSimpleNotify (hwnd, NM_RELEASEDCAPTURE);
1636 }
1637
1638 return 0;
1639 }
1640
1641
1642 static LRESULT
1643 HEADER_NotifyFormat (HWND hwnd, WPARAM wParam, LPARAM lParam)
1644 {
1645 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1646
1647 switch (lParam)
1648 {
1649 case NF_QUERY:
1650 return infoPtr->nNotifyFormat;
1651
1652 case NF_REQUERY:
1653 infoPtr->nNotifyFormat =
1654 SendMessageW ((HWND)wParam, WM_NOTIFYFORMAT,
1655 (WPARAM)hwnd, (LPARAM)NF_QUERY);
1656 return infoPtr->nNotifyFormat;
1657 }
1658
1659 return 0;
1660 }
1661
1662
1663 static LRESULT
1664 HEADER_MouseLeave (HWND hwnd, WPARAM wParam, LPARAM lParam)
1665 {
1666 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1667 /* Reset hot-tracked item when mouse leaves control. */
1668 INT oldHotItem = infoPtr->iHotItem;
1669 HDC hdc = GetDC (hwnd);
1670
1671 infoPtr->iHotItem = -1;
1672 if (oldHotItem != -1) HEADER_RefreshItem (hwnd, hdc, oldHotItem);
1673 ReleaseDC (hwnd, hdc);
1674
1675 return 0;
1676 }
1677
1678
1679 static LRESULT
1680 HEADER_MouseMove (HWND hwnd, WPARAM wParam, LPARAM lParam)
1681 {
1682 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1683 DWORD dwStyle = GetWindowLongW (hwnd, GWL_STYLE);
1684 POINT pt;
1685 UINT flags;
1686 INT nItem, nWidth;
1687 HDC hdc;
1688 /* With theming, hottracking is always enabled */
1689 BOOL hotTrackEnabled =
1690 ((dwStyle & HDS_BUTTONS) && (dwStyle & HDS_HOTTRACK))
1691 || (GetWindowTheme (hwnd) != NULL);
1692 INT oldHotItem = infoPtr->iHotItem;
1693
1694 pt.x = (INT)(SHORT)LOWORD(lParam);
1695 pt.y = (INT)(SHORT)HIWORD(lParam);
1696 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1697
1698 if (hotTrackEnabled) {
1699 if (flags & (HHT_ONHEADER | HHT_ONDIVIDER | HHT_ONDIVOPEN))
1700 infoPtr->iHotItem = nItem;
1701 else
1702 infoPtr->iHotItem = -1;
1703 }
1704
1705 if (infoPtr->bCaptured) {
1706 if (infoPtr->bPressed) {
1707 BOOL oldState = infoPtr->items[infoPtr->iMoveItem].bDown;
1708 if ((nItem == infoPtr->iMoveItem) && (flags == HHT_ONHEADER))
1709 infoPtr->items[infoPtr->iMoveItem].bDown = TRUE;
1710 else
1711 infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
1712 if (oldState != infoPtr->items[infoPtr->iMoveItem].bDown) {
1713 hdc = GetDC (hwnd);
1714 HEADER_RefreshItem (hwnd, hdc, infoPtr->iMoveItem);
1715 ReleaseDC (hwnd, hdc);
1716 }
1717
1718 TRACE("Moving pressed item %d!\n", infoPtr->iMoveItem);
1719 }
1720 else if (infoPtr->bTracking) {
1721 if (dwStyle & HDS_FULLDRAG) {
1722 if (HEADER_SendHeaderNotify (hwnd, HDN_TRACKA, infoPtr->iMoveItem, HDI_WIDTH))
1723 {
1724 nWidth = pt.x - infoPtr->items[infoPtr->iMoveItem].rect.left + infoPtr->xTrackOffset;
1725 if (nWidth < 0)
1726 nWidth = 0;
1727 infoPtr->items[infoPtr->iMoveItem].cxy = nWidth;
1728 HEADER_SendHeaderNotify(hwnd, HDN_ITEMCHANGEDA, infoPtr->iMoveItem, HDI_WIDTH);
1729 }
1730 HEADER_SetItemBounds (hwnd);
1731 }
1732 else {
1733 hdc = GetDC (hwnd);
1734 HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
1735 infoPtr->xOldTrack = pt.x + infoPtr->xTrackOffset;
1736 if (infoPtr->xOldTrack < infoPtr->items[infoPtr->iMoveItem].rect.left)
1737 infoPtr->xOldTrack = infoPtr->items[infoPtr->iMoveItem].rect.left;
1738 infoPtr->items[infoPtr->iMoveItem].cxy =
1739 infoPtr->xOldTrack - infoPtr->items[infoPtr->iMoveItem].rect.left;
1740 HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
1741 ReleaseDC (hwnd, hdc);
1742 HEADER_SendHeaderNotify (hwnd, HDN_TRACKA, infoPtr->iMoveItem, HDI_WIDTH);
1743 }
1744
1745 TRACE("Tracking item %d!\n", infoPtr->iMoveItem);
1746 }
1747 }
1748
1749 if (hotTrackEnabled) {
1750 TRACKMOUSEEVENT tme;
1751 if (oldHotItem != infoPtr->iHotItem) {
1752 hdc = GetDC (hwnd);
1753 if (oldHotItem != -1) HEADER_RefreshItem (hwnd, hdc, oldHotItem);
1754 if (infoPtr->iHotItem != -1) HEADER_RefreshItem (hwnd, hdc, infoPtr->iHotItem);
1755 ReleaseDC (hwnd, hdc);
1756 }
1757 tme.cbSize = sizeof( tme );
1758 tme.dwFlags = TME_LEAVE;
1759 tme.hwndTrack = hwnd;
1760 TrackMouseEvent( &tme );
1761 }
1762
1763 return 0;
1764 }
1765
1766
1767 static LRESULT
1768 HEADER_Paint (HWND hwnd, WPARAM wParam)
1769 {
1770 HDC hdc;
1771 PAINTSTRUCT ps;
1772
1773 hdc = wParam==0 ? BeginPaint (hwnd, &ps) : (HDC)wParam;
1774 HEADER_Refresh (hwnd, hdc);
1775 if(!wParam)
1776 EndPaint (hwnd, &ps);
1777 return 0;
1778 }
1779
1780
1781 static LRESULT
1782 HEADER_RButtonUp (HWND hwnd, WPARAM wParam, LPARAM lParam)
1783 {
1784 BOOL bRet;
1785 POINT pt;
1786
1787 pt.x = LOWORD(lParam);
1788 pt.y = HIWORD(lParam);
1789
1790 /* Send a Notify message */
1791 bRet = HEADER_SendSimpleNotify (hwnd, NM_RCLICK);
1792
1793 /* Change to screen coordinate for WM_CONTEXTMENU */
1794 ClientToScreen(hwnd, &pt);
1795
1796 /* Send a WM_CONTEXTMENU message in response to the RBUTTONUP */
1797 SendMessageW( hwnd, WM_CONTEXTMENU, (WPARAM) hwnd, MAKELPARAM(pt.x, pt.y));
1798
1799 return bRet;
1800 }
1801
1802
1803 static LRESULT
1804 HEADER_SetCursor (HWND hwnd, WPARAM wParam, LPARAM lParam)
1805 {
1806 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1807 POINT pt;
1808 UINT flags;
1809 INT nItem;
1810
1811 TRACE("code=0x%X id=0x%X\n", LOWORD(lParam), HIWORD(lParam));
1812
1813 GetCursorPos (&pt);
1814 ScreenToClient (hwnd, &pt);
1815
1816 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1817
1818 if (flags == HHT_ONDIVIDER)
1819 SetCursor (infoPtr->hcurDivider);
1820 else if (flags == HHT_ONDIVOPEN)
1821 SetCursor (infoPtr->hcurDivopen);
1822 else
1823 SetCursor (infoPtr->hcurArrow);
1824
1825 return 0;
1826 }
1827
1828
1829 static LRESULT
1830 HEADER_SetFont (HWND hwnd, WPARAM wParam, LPARAM lParam)
1831 {
1832 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1833 TEXTMETRICW tm;
1834 HFONT hFont, hOldFont;
1835 HDC hdc;
1836
1837 infoPtr->hFont = (HFONT)wParam;
1838
1839 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT);
1840
1841 hdc = GetDC (0);
1842 hOldFont = SelectObject (hdc, hFont);
1843 GetTextMetricsW (hdc, &tm);
1844 infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
1845 SelectObject (hdc, hOldFont);
1846 ReleaseDC (0, hdc);
1847
1848 infoPtr->bRectsValid = FALSE;
1849
1850 if (lParam) {
1851 InvalidateRect(hwnd, NULL, FALSE);
1852 }
1853
1854 return 0;
1855 }
1856
1857 /* Update the theme handle after a theme change */
1858 static LRESULT HEADER_ThemeChanged(HWND hwnd)
1859 {
1860 HTHEME theme = GetWindowTheme(hwnd);
1861 CloseThemeData(theme);
1862 OpenThemeData(hwnd, themeClass);
1863 InvalidateRect(hwnd, NULL, FALSE);
1864 return 0;
1865 }
1866
1867
1868 static LRESULT WINAPI
1869 HEADER_WindowProc (HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
1870 {
1871 TRACE("hwnd=%p msg=%x wparam=%x lParam=%lx\n", hwnd, msg, wParam, lParam);
1872 if (!HEADER_GetInfoPtr (hwnd) && (msg != WM_CREATE))
1873 return DefWindowProcW (hwnd, msg, wParam, lParam);
1874 switch (msg) {
1875 /* case HDM_CLEARFILTER: */
1876
1877 case HDM_CREATEDRAGIMAGE:
1878 return HEADER_CreateDragImage (hwnd, wParam);
1879
1880 case HDM_DELETEITEM:
1881 return HEADER_DeleteItem (hwnd, wParam);
1882
1883 /* case HDM_EDITFILTER: */
1884
1885 case HDM_GETBITMAPMARGIN:
1886 return HEADER_GetBitmapMargin(hwnd);
1887
1888 case HDM_GETIMAGELIST:
1889 return HEADER_GetImageList (hwnd);
1890
1891 case HDM_GETITEMA:
1892 return HEADER_GetItemA (hwnd, wParam, lParam);
1893
1894 case HDM_GETITEMW:
1895 return HEADER_GetItemW (hwnd, wParam, lParam);
1896
1897 case HDM_GETITEMCOUNT:
1898 return HEADER_GetItemCount (hwnd);
1899
1900 case HDM_GETITEMRECT:
1901 return HEADER_GetItemRect (hwnd, wParam, lParam);
1902
1903 case HDM_GETORDERARRAY:
1904 return HEADER_GetOrderArray(hwnd, wParam, lParam);
1905
1906 case HDM_GETUNICODEFORMAT:
1907 return HEADER_GetUnicodeFormat (hwnd);
1908
1909 case HDM_HITTEST:
1910 return HEADER_HitTest (hwnd, wParam, lParam);
1911
1912 case HDM_INSERTITEMA:
1913 return HEADER_InsertItemA (hwnd, wParam, lParam);
1914
1915 case HDM_INSERTITEMW:
1916 return HEADER_InsertItemW (hwnd, wParam, lParam);
1917
1918 case HDM_LAYOUT:
1919 return HEADER_Layout (hwnd, wParam, lParam);
1920
1921 case HDM_ORDERTOINDEX:
1922 return HEADER_OrderToIndex(hwnd, wParam);
1923
1924 case HDM_SETBITMAPMARGIN:
1925 return HEADER_SetBitmapMargin(hwnd, wParam);
1926
1927 /* case HDM_SETFILTERCHANGETIMEOUT: */
1928
1929 /* case HDM_SETHOTDIVIDER: */
1930
1931 case HDM_SETIMAGELIST:
1932 return HEADER_SetImageList (hwnd, (HIMAGELIST)lParam);
1933
1934 case HDM_SETITEMA:
1935 return HEADER_SetItemA (hwnd, wParam, lParam);
1936
1937 case HDM_SETITEMW:
1938 return HEADER_SetItemW (hwnd, wParam, lParam);
1939
1940 case HDM_SETORDERARRAY:
1941 return HEADER_SetOrderArray(hwnd, wParam, lParam);
1942
1943 case HDM_SETUNICODEFORMAT:
1944 return HEADER_SetUnicodeFormat (hwnd, wParam);
1945
1946 case WM_CREATE:
1947 return HEADER_Create (hwnd, wParam, lParam);
1948
1949 case WM_DESTROY:
1950 return HEADER_Destroy (hwnd, wParam, lParam);
1951
1952 case WM_ERASEBKGND:
1953 return 1;
1954
1955 case WM_GETDLGCODE:
1956 return DLGC_WANTTAB | DLGC_WANTARROWS;
1957
1958 case WM_GETFONT:
1959 return HEADER_GetFont (hwnd);
1960
1961 case WM_LBUTTONDBLCLK:
1962 return HEADER_LButtonDblClk (hwnd, wParam, lParam);
1963
1964 case WM_LBUTTONDOWN:
1965 return HEADER_LButtonDown (hwnd, wParam, lParam);
1966
1967 case WM_LBUTTONUP:
1968 return HEADER_LButtonUp (hwnd, wParam, lParam);
1969
1970 case WM_MOUSELEAVE:
1971 return HEADER_MouseLeave (hwnd, wParam, lParam);
1972
1973 case WM_MOUSEMOVE:
1974 return HEADER_MouseMove (hwnd, wParam, lParam);
1975
1976 case WM_NOTIFYFORMAT:
1977 return HEADER_NotifyFormat (hwnd, wParam, lParam);
1978
1979 case WM_SIZE:
1980 return HEADER_Size (hwnd, wParam);
1981
1982 case WM_THEMECHANGED:
1983 return HEADER_ThemeChanged (hwnd);
1984
1985 case WM_PAINT:
1986 return HEADER_Paint (hwnd, wParam);
1987
1988 case WM_RBUTTONUP:
1989 return HEADER_RButtonUp (hwnd, wParam, lParam);
1990
1991 case WM_SETCURSOR:
1992 return HEADER_SetCursor (hwnd, wParam, lParam);
1993
1994 case WM_SETFONT:
1995 return HEADER_SetFont (hwnd, wParam, lParam);
1996
1997 default:
1998 if ((msg >= WM_USER) && (msg < WM_APP))
1999 ERR("unknown msg %04x wp=%04x lp=%08lx\n",
2000 msg, wParam, lParam );
2001 return DefWindowProcA (hwnd, msg, wParam, lParam);
2002 }
2003 }
2004
2005
2006 VOID
2007 HEADER_Register (void)
2008 {
2009 WNDCLASSW wndClass;
2010
2011 ZeroMemory (&wndClass, sizeof(WNDCLASSW));
2012 wndClass.style = CS_GLOBALCLASS | CS_DBLCLKS;
2013 wndClass.lpfnWndProc = HEADER_WindowProc;
2014 wndClass.cbClsExtra = 0;
2015 wndClass.cbWndExtra = sizeof(HEADER_INFO *);
2016 wndClass.hCursor = LoadCursorW (0, (LPWSTR)IDC_ARROW);
2017 wndClass.lpszClassName = WC_HEADERW;
2018
2019 RegisterClassW (&wndClass);
2020 }
2021
2022
2023 VOID
2024 HEADER_Unregister (void)
2025 {
2026 UnregisterClassW (WC_HEADERW, NULL);
2027 }
GSOC 2012 project to enhance the control panel