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Return false if index is out of bounds in GetItemT.
[wine/wine-kai.git] / dlls / comctl32 / header.c
blob4b533fca635eab6980f78272196005bae1cebdfd
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 * Send Disp Info notification.
606 * depends on NMHDDISPINFOW having same structure as NMHDDISPINFOA
607 * (so we handle the two cases only doing a specific cast for pszText).
608 *
609 * @param hwnd : hwnd header container handler
610 * @param mask : notification mask (usually HDI_TEXT or HDI_IMAGE)
611 * @param pDispInfo : NMHDDISPINFO structure (can be unicode or ansi)
612 * @param isW : TRUE if dispinfo is Unicode
613 */
614 static BOOL
615 HEADER_SendHeaderDispInfoNotify(HWND hwnd, INT iItem, INT mask, LPHDITEMW phdi, HEADER_ITEM* lpItem, BOOL isW)
616 {
617 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
618 BOOL ret;
619 BOOL convertToAnsi = FALSE;
620 BOOL convertToUnicode = FALSE;
621 BOOL isUnicodeNotify = FALSE;
622 NMHDDISPINFOW dispInfo;
623
624 if (mask & HDI_TEXT)
625 {
626 convertToAnsi = (isW && infoPtr->nNotifyFormat == NFR_ANSI);
627 convertToUnicode = (!isW && infoPtr->nNotifyFormat == NFR_UNICODE);
628 }
629 isUnicodeNotify = (isW && !convertToAnsi);
630
631 memset(&dispInfo, 0, sizeof(NMHDDISPINFOW));
632 dispInfo.hdr.hwndFrom = hwnd;
633 dispInfo.hdr.idFrom = GetWindowLongPtrW (hwnd, GWLP_ID);
634 if (isUnicodeNotify || convertToUnicode)
635 {
636 dispInfo.hdr.code = HDN_GETDISPINFOW;
637 }
638 else
639 {
640 dispInfo.hdr.code = HDN_GETDISPINFOA;
641 }
642 dispInfo.iItem = iItem;
643 dispInfo.mask = mask;
644 /*
645 dispInfo.pszText = Alloc(sizeof(WCHAR) * 260);
646 dispInfo.cchTextMax = 260;
647 */
648 ret = (BOOL) SendMessageW(infoPtr->hwndNotify, WM_NOTIFY,
649 (WPARAM) dispInfo.hdr.idFrom,
650 (LPARAM) &dispInfo);
651
652 TRACE("SendMessage returns(mask:0x%x,str:%s,lParam:%p)\n",
653 dispInfo.mask,
654 (isUnicodeNotify ? debugstr_w(dispInfo.pszText) : (LPSTR) dispInfo.pszText),
655 (void*) dispInfo.lParam);
656
657 if (dispInfo.mask & HDI_DI_SETITEM)
658 {
659 if (dispInfo.mask & HDI_IMAGE)
660 {
661 lpItem->iImage = dispInfo.iImage;
662 }
663 if (dispInfo.mask & HDI_TEXT)
664 {
665 if (isUnicodeNotify || convertToUnicode)
666 Str_SetPtrW(&lpItem->pszText, (LPCWSTR)dispInfo.pszText);
667 else /*if (convertToAnsi || !isW)*/
668 Str_SetPtrAtoW(&lpItem->pszText, (LPCSTR)dispInfo.pszText);
669 }
670
671 FIXME("NMHDDISPINFO returns with flags HDI_DI_SETITEM\n");
672 }
673
674 if (NULL != phdi)
675 {
676 if ((phdi->mask & mask) & HDI_IMAGE)
677 {
678 phdi->iImage = dispInfo.iImage;
679 }
680 if ((phdi->mask & mask) & HDI_TEXT)
681 {
682 if (isUnicodeNotify)
683 Str_GetPtrW ((LPCWSTR)dispInfo.pszText, phdi->pszText, phdi->cchTextMax);
684 else if (convertToUnicode)
685 Str_GetPtrWtoA ((LPCWSTR)dispInfo.pszText, (LPSTR)phdi->pszText, phdi->cchTextMax);
686 else /*if (!isW) */
687 Str_GetPtrA ((LPCSTR)dispInfo.pszText, (LPSTR)phdi->pszText, phdi->cchTextMax);
688 }
689 }
690 return ret;
691 }
692
693
694 static BOOL
695 HEADER_SendClickNotify (HWND hwnd, UINT code, INT iItem)
696 {
697 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
698 NMHEADERA nmhdr;
699
700 nmhdr.hdr.hwndFrom = hwnd;
701 nmhdr.hdr.idFrom = GetWindowLongPtrW (hwnd, GWLP_ID);
702 nmhdr.hdr.code = code;
703 nmhdr.iItem = iItem;
704 nmhdr.iButton = 0;
705 nmhdr.pitem = NULL;
706
707 return (BOOL)SendMessageA (infoPtr->hwndNotify, WM_NOTIFY,
708 (WPARAM)nmhdr.hdr.idFrom, (LPARAM)&nmhdr);
709 }
710
711
712 static LRESULT
713 HEADER_CreateDragImage (HWND hwnd, WPARAM wParam)
714 {
715 FIXME("empty stub!\n");
716 return 0;
717 }
718
719
720 static LRESULT
721 HEADER_DeleteItem (HWND hwnd, WPARAM wParam)
722 {
723 HEADER_INFO *infoPtr = HEADER_GetInfoPtr(hwnd);
724 INT iItem = (INT)wParam;
725
726 TRACE("[iItem=%d]\n", iItem);
727
728 if ((iItem < 0) || (iItem >= (INT)infoPtr->uNumItem))
729 return FALSE;
730
731 if (infoPtr->uNumItem == 1) {
732 TRACE("Simple delete!\n");
733 if (infoPtr->items[0].pszText)
734 Free (infoPtr->items[0].pszText);
735 Free (infoPtr->items);
736 Free(infoPtr->order);
737 infoPtr->items = 0;
738 infoPtr->order = 0;
739 infoPtr->uNumItem = 0;
740 }
741 else {
742 HEADER_ITEM *oldItems = infoPtr->items;
743 INT i;
744 INT iOrder;
745 TRACE("Complex delete! [iItem=%d]\n", iItem);
746
747 for (i = 0; i < infoPtr->uNumItem; i++)
748 TRACE("%d: order=%d, iOrder=%d, ->iOrder=%d\n", i, infoPtr->order[i], infoPtr->items[i].iOrder, infoPtr->items[infoPtr->order[i]].iOrder);
749 if (infoPtr->items[iItem].pszText)
750 Free (infoPtr->items[iItem].pszText);
751 iOrder = infoPtr->items[iItem].iOrder;
752
753 infoPtr->uNumItem--;
754 infoPtr->items = Alloc (sizeof (HEADER_ITEM) * infoPtr->uNumItem);
755 /* pre delete copy */
756 if (iItem > 0) {
757 memcpy (&infoPtr->items[0], &oldItems[0],
758 iItem * sizeof(HEADER_ITEM));
759 }
760
761 /* post delete copy */
762 if (iItem < infoPtr->uNumItem) {
763 memcpy (&infoPtr->items[iItem], &oldItems[iItem+1],
764 (infoPtr->uNumItem - iItem) * sizeof(HEADER_ITEM));
765 }
766
767 /* Correct the orders */
768 if (iOrder < infoPtr->uNumItem)
769 {
770 memmove(&infoPtr->order[iOrder], &infoPtr->order[iOrder + 1],
771 (infoPtr->uNumItem - iOrder) * sizeof(INT));
772 for (i = 0; i < infoPtr->uNumItem; i++)
773 {
774 if (infoPtr->order[i] > iItem)
775 infoPtr->order[i]--;
776 if (i >= iOrder)
777 infoPtr->items[infoPtr->order[i]].iOrder = infoPtr->order[i];
778 }
779 }
780
781 for (i = 0; i < infoPtr->uNumItem; i++)
782 TRACE("%d: order=%d, iOrder=%d, ->iOrder=%d\n", i, infoPtr->order[i], infoPtr->items[i].iOrder, infoPtr->items[infoPtr->order[i]].iOrder);
783 Free (oldItems);
784 }
785
786 HEADER_SetItemBounds (hwnd);
787
788 InvalidateRect(hwnd, NULL, FALSE);
789
790 return TRUE;
791 }
792
793
794 static LRESULT
795 HEADER_GetImageList (HWND hwnd)
796 {
797 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
798
799 return (LRESULT)infoPtr->himl;
800 }
801
802
803 static LRESULT
804 HEADER_GetItemT (HWND hwnd, INT nItem, LPHDITEMW phdi, BOOL bUnicode)
805 {
806 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
807 HEADER_ITEM *lpItem;
808
809 if (!phdi)
810 return FALSE;
811
812 TRACE("[nItem=%d]\n", nItem);
813
814 if (phdi->mask == 0)
815 return TRUE;
816 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
817 return FALSE;
818
819 lpItem = &infoPtr->items[nItem];
820
821 if (phdi->mask & HDI_BITMAP)
822 phdi->hbm = (lpItem != NULL) ? lpItem->hbm : 0;
823
824 if (phdi->mask & HDI_FORMAT)
825 phdi->fmt = (lpItem != NULL) ? lpItem->fmt : 0;
826
827 if (phdi->mask & HDI_WIDTH)
828 phdi->cxy = (lpItem != NULL) ? lpItem->cxy : 0;
829
830 if (phdi->mask & HDI_LPARAM)
831 phdi->lParam = (lpItem != NULL) ? lpItem->lParam : 0;
832
833 if (phdi->mask & HDI_IMAGE)
834 {
835 phdi->iImage = (lpItem != NULL) ? lpItem->iImage : 0;
836 if (lpItem->iImage == I_IMAGECALLBACK)
837 {
838 HEADER_SendHeaderDispInfoNotify(hwnd, nItem, HDI_IMAGE, phdi, lpItem, bUnicode);
839 }
840 }
841
842 if (phdi->mask & HDI_ORDER)
843 phdi->iOrder = (lpItem != NULL) ? lpItem->iOrder : 0;
844
845 if (phdi->mask & HDI_TEXT)
846 {
847 if (lpItem == NULL) *phdi->pszText = 0; /* null pointer check */
848 else if (lpItem->pszText == LPSTR_TEXTCALLBACKW) /* covers == TEXTCALLBACKA too */
849 {
850 HEADER_SendHeaderDispInfoNotify(hwnd, nItem, HDI_TEXT, phdi, lpItem, bUnicode);
851 }
852 else
853 {
854 if (bUnicode)
855 Str_GetPtrW (lpItem->pszText, phdi->pszText, phdi->cchTextMax);
856 else
857 Str_GetPtrWtoA (lpItem->pszText, (LPSTR)phdi->pszText, phdi->cchTextMax);
858 }
859 }
860
861 return TRUE;
862 }
863
864
865 inline static LRESULT
866 HEADER_GetItemCount (HWND hwnd)
867 {
868 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
869 return infoPtr->uNumItem;
870 }
871
872
873 static LRESULT
874 HEADER_GetItemRect (HWND hwnd, WPARAM wParam, LPARAM lParam)
875 {
876 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
877 INT iItem = (INT)wParam;
878 LPRECT lpRect = (LPRECT)lParam;
879
880 if ((iItem < 0) || (iItem >= (INT)infoPtr->uNumItem))
881 return FALSE;
882
883 lpRect->left = infoPtr->items[iItem].rect.left;
884 lpRect->right = infoPtr->items[iItem].rect.right;
885 lpRect->top = infoPtr->items[iItem].rect.top;
886 lpRect->bottom = infoPtr->items[iItem].rect.bottom;
887
888 return TRUE;
889 }
890
891
892 static LRESULT
893 HEADER_GetOrderArray(HWND hwnd, WPARAM wParam, LPARAM lParam)
894 {
895 LPINT order = (LPINT) lParam;
896 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
897
898 if ((unsigned int)wParam <infoPtr->uNumItem)
899 return FALSE;
900
901 memcpy(order, infoPtr->order, infoPtr->uNumItem * sizeof(INT));
902 return TRUE;
903 }
904
905 static LRESULT
906 HEADER_SetOrderArray(HWND hwnd, WPARAM wParam, LPARAM lParam)
907 {
908 int i;
909 LPINT order = (LPINT) lParam;
910 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
911 HEADER_ITEM *lpItem;
912
913 if ((unsigned int)wParam <infoPtr->uNumItem)
914 return FALSE;
915 memcpy(infoPtr->order, order, infoPtr->uNumItem * sizeof(INT));
916 for (i=0; i<(int)wParam; i++)
917 {
918 lpItem = &infoPtr->items[*order++];
919 lpItem->iOrder=i;
920 }
921 infoPtr->bRectsValid=0;
922 InvalidateRect(hwnd, NULL, FALSE);
923 return TRUE;
924 }
925
926 inline static LRESULT
927 HEADER_GetUnicodeFormat (HWND hwnd)
928 {
929 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
930 return infoPtr->bUnicode;
931 }
932
933
934 static LRESULT
935 HEADER_HitTest (HWND hwnd, WPARAM wParam, LPARAM lParam)
936 {
937 LPHDHITTESTINFO phti = (LPHDHITTESTINFO)lParam;
938
939 HEADER_InternalHitTest (hwnd, &phti->pt, &phti->flags, &phti->iItem);
940
941 if (phti->flags == HHT_NOWHERE)
942 return -1;
943 else
944 return phti->iItem;
945 }
946
947
948 static LRESULT
949 HEADER_InsertItemT (HWND hwnd, INT nItem, LPHDITEMW phdi, BOOL bUnicode)
950 {
951 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
952 HEADER_ITEM *lpItem;
953 INT iOrder;
954 UINT i;
955
956 if ((phdi == NULL) || (nItem < 0))
957 return -1;
958
959 if (nItem > infoPtr->uNumItem)
960 nItem = infoPtr->uNumItem;
961
962 iOrder = (phdi->mask & HDI_ORDER) ? phdi->iOrder : nItem;
963 if (iOrder < 0)
964 iOrder = 0;
965 else if (infoPtr->uNumItem < iOrder)
966 iOrder = infoPtr->uNumItem;
967
968 if (infoPtr->uNumItem == 0) {
969 infoPtr->items = Alloc (sizeof (HEADER_ITEM));
970 infoPtr->order = Alloc(sizeof(INT));
971 infoPtr->uNumItem++;
972 }
973 else {
974 HEADER_ITEM *oldItems = infoPtr->items;
975 INT *oldOrder = infoPtr->order;
976
977 infoPtr->uNumItem++;
978 infoPtr->items = Alloc (sizeof (HEADER_ITEM) * infoPtr->uNumItem);
979 if (nItem == 0) {
980 memcpy (&infoPtr->items[1], &oldItems[0],
981 (infoPtr->uNumItem-1) * sizeof(HEADER_ITEM));
982 }
983 else
984 {
985 /* pre insert copy */
986 if (nItem > 0) {
987 memcpy (&infoPtr->items[0], &oldItems[0],
988 nItem * sizeof(HEADER_ITEM));
989 }
990
991 /* post insert copy */
992 if (nItem < infoPtr->uNumItem - 1) {
993 memcpy (&infoPtr->items[nItem+1], &oldItems[nItem],
994 (infoPtr->uNumItem - nItem - 1) * sizeof(HEADER_ITEM));
995 }
996 }
997
998 infoPtr->order = Alloc(sizeof(INT) * infoPtr->uNumItem);
999 memcpy(infoPtr->order, oldOrder, iOrder * sizeof(INT));
1000 infoPtr->order[iOrder] = nItem;
1001 memcpy(&infoPtr->order[iOrder + 1], &oldOrder[iOrder],
1002 (infoPtr->uNumItem - iOrder - 1) * sizeof(INT));
1003
1004 Free (oldItems);
1005 Free(oldOrder);
1006 }
1007
1008 for (i = 0; i < infoPtr->uNumItem; i++)
1009 {
1010 if (i != iOrder && infoPtr->order[i] >= nItem)
1011 infoPtr->order[i]++;
1012 infoPtr->items[infoPtr->order[i]].iOrder = infoPtr->order[i];
1013 }
1014
1015 lpItem = &infoPtr->items[nItem];
1016 lpItem->bDown = FALSE;
1017
1018 if (phdi->mask & HDI_WIDTH)
1019 lpItem->cxy = phdi->cxy;
1020
1021 if (phdi->mask & HDI_FORMAT)
1022 lpItem->fmt = phdi->fmt;
1023
1024 if (lpItem->fmt == 0)
1025 lpItem->fmt = HDF_LEFT;
1026
1027 if (phdi->mask & HDI_BITMAP)
1028 lpItem->hbm = phdi->hbm;
1029
1030 if (phdi->mask & HDI_LPARAM)
1031 lpItem->lParam = phdi->lParam;
1032
1033 if (phdi->mask & HDI_IMAGE)
1034 {
1035 if (phdi->iImage != I_IMAGECALLBACK)
1036 {
1037 lpItem->iImage = phdi->iImage;
1038 }
1039 else
1040 {
1041 lpItem->iImage = phdi->iImage;
1042 HEADER_SendHeaderDispInfoNotify(hwnd, nItem, HDI_IMAGE, NULL, lpItem, bUnicode);
1043 }
1044 }
1045
1046 if (phdi->mask & HDI_TEXT)
1047 {
1048 if (!phdi->pszText) phdi->pszText = '\0'; /* null pointer check */
1049 if (phdi->pszText != LPSTR_TEXTCALLBACKW) /* covers != TEXTCALLBACKA too */
1050 {
1051 if (bUnicode)
1052 Str_SetPtrW(&lpItem->pszText, phdi->pszText);
1053 else
1054 Str_SetPtrAtoW(&lpItem->pszText, (LPSTR)phdi->pszText);
1055 }
1056 else
1057 {
1058 lpItem->pszText = phdi->pszText;
1059 HEADER_SendHeaderDispInfoNotify(hwnd, nItem, HDI_TEXT, NULL, lpItem, bUnicode);
1060 }
1061 lpItem->fmt |= HDF_STRING;
1062 }
1063
1064 lpItem->iOrder = iOrder;
1065
1066 HEADER_SetItemBounds (hwnd);
1067
1068 InvalidateRect(hwnd, NULL, FALSE);
1069
1070 return nItem;
1071 }
1072
1073
1074 static LRESULT
1075 HEADER_Layout (HWND hwnd, WPARAM wParam, LPARAM lParam)
1076 {
1077 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1078 LPHDLAYOUT lpLayout = (LPHDLAYOUT)lParam;
1079
1080 lpLayout->pwpos->hwnd = hwnd;
1081 lpLayout->pwpos->hwndInsertAfter = 0;
1082 lpLayout->pwpos->x = lpLayout->prc->left;
1083 lpLayout->pwpos->y = lpLayout->prc->top;
1084 lpLayout->pwpos->cx = lpLayout->prc->right - lpLayout->prc->left;
1085 if (GetWindowLongW (hwnd, GWL_STYLE) & HDS_HIDDEN)
1086 lpLayout->pwpos->cy = 0;
1087 else {
1088 lpLayout->pwpos->cy = infoPtr->nHeight;
1089 lpLayout->prc->top += infoPtr->nHeight;
1090 }
1091 lpLayout->pwpos->flags = SWP_NOZORDER;
1092
1093 TRACE("Layout x=%d y=%d cx=%d cy=%d\n",
1094 lpLayout->pwpos->x, lpLayout->pwpos->y,
1095 lpLayout->pwpos->cx, lpLayout->pwpos->cy);
1096
1097 infoPtr->bRectsValid = FALSE;
1098
1099 return TRUE;
1100 }
1101
1102
1103 static LRESULT
1104 HEADER_SetImageList (HWND hwnd, HIMAGELIST himl)
1105 {
1106 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1107 HIMAGELIST himlOld;
1108
1109 TRACE("(himl %p)\n", himl);
1110 himlOld = infoPtr->himl;
1111 infoPtr->himl = himl;
1112
1113 /* FIXME: Refresh needed??? */
1114
1115 return (LRESULT)himlOld;
1116 }
1117
1118
1119 static LRESULT
1120 HEADER_GetBitmapMargin(HWND hwnd)
1121 {
1122 HEADER_INFO *infoPtr = HEADER_GetInfoPtr(hwnd);
1123
1124 return infoPtr->iMargin;
1125 }
1126
1127 static LRESULT
1128 HEADER_SetBitmapMargin(HWND hwnd, WPARAM wParam)
1129 {
1130 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1131 INT oldMargin = infoPtr->iMargin;
1132
1133 infoPtr->iMargin = (INT)wParam;
1134
1135 return oldMargin;
1136 }
1137
1138 static LRESULT
1139 HEADER_SetItemT (HWND hwnd, INT nItem, LPHDITEMW phdi, BOOL bUnicode)
1140 {
1141 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1142 HEADER_ITEM *lpItem;
1143
1144 if (phdi == NULL)
1145 return FALSE;
1146 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
1147 return FALSE;
1148
1149 TRACE("[nItem=%d]\n", nItem);
1150
1151 if (HEADER_SendHeaderNotify (hwnd, bUnicode ? HDN_ITEMCHANGINGW : HDN_ITEMCHANGINGA,
1152 nItem, phdi->mask))
1153 return FALSE;
1154
1155 lpItem = &infoPtr->items[nItem];
1156 if (phdi->mask & HDI_BITMAP)
1157 lpItem->hbm = phdi->hbm;
1158
1159 if (phdi->mask & HDI_FORMAT)
1160 lpItem->fmt = phdi->fmt;
1161
1162 if (phdi->mask & HDI_LPARAM)
1163 lpItem->lParam = phdi->lParam;
1164
1165 if (phdi->mask & HDI_WIDTH)
1166 lpItem->cxy = phdi->cxy;
1167
1168 if (phdi->mask & HDI_IMAGE)
1169 {
1170 if (phdi->iImage != I_IMAGECALLBACK)
1171 {
1172 lpItem->iImage = phdi->iImage;
1173 }
1174 else
1175 {
1176 lpItem->iImage = phdi->iImage;
1177 HEADER_SendHeaderDispInfoNotify(hwnd, nItem, HDI_IMAGE, NULL, lpItem, bUnicode);
1178 }
1179 }
1180
1181 if (phdi->mask & HDI_TEXT)
1182 {
1183 if (phdi->pszText != LPSTR_TEXTCALLBACKW) /* covers != TEXTCALLBACKA too */
1184 {
1185 if (lpItem->pszText)
1186 {
1187 Free(lpItem->pszText);
1188 lpItem->pszText = NULL;
1189 }
1190 if (phdi->pszText)
1191 {
1192 if (bUnicode)
1193 Str_SetPtrW(&lpItem->pszText, phdi->pszText);
1194 else
1195 Str_SetPtrAtoW(&lpItem->pszText, (LPSTR)phdi->pszText);
1196 }
1197 }
1198 else
1199 {
1200 lpItem->pszText = phdi->pszText;
1201 HEADER_SendHeaderDispInfoNotify(hwnd, nItem, HDI_TEXT, NULL, lpItem, bUnicode);
1202 }
1203 }
1204
1205 if (phdi->mask & HDI_ORDER)
1206 {
1207 INT i, nMin, nMax;
1208
1209 if (lpItem->iOrder < phdi->iOrder)
1210 {
1211 memmove(&infoPtr->order[lpItem->iOrder],
1212 &infoPtr->order[lpItem->iOrder + 1],
1213 (phdi->iOrder - lpItem->iOrder) * sizeof(INT));
1214 }
1215 if (phdi->iOrder < lpItem->iOrder)
1216 {
1217 memmove(&infoPtr->order[phdi->iOrder + 1],
1218 &infoPtr->order[phdi->iOrder],
1219 (lpItem->iOrder - phdi->iOrder) * sizeof(INT));
1220 }
1221 infoPtr->order[phdi->iOrder] = nItem;
1222 nMin = min(lpItem->iOrder, phdi->iOrder);
1223 nMax = max(lpItem->iOrder, phdi->iOrder);
1224 for (i = nMin; i <= nMax; i++)
1225 {
1226 infoPtr->items[infoPtr->order[i]].iOrder = infoPtr->order[i];
1227 }
1228 }
1229
1230 HEADER_SendHeaderNotify (hwnd, bUnicode ? HDN_ITEMCHANGEDW : HDN_ITEMCHANGEDA,
1231 nItem, phdi->mask);
1232
1233 HEADER_SetItemBounds (hwnd);
1234
1235 InvalidateRect(hwnd, NULL, FALSE);
1236
1237 return TRUE;
1238 }
1239
1240 inline static LRESULT
1241 HEADER_SetUnicodeFormat (HWND hwnd, WPARAM wParam)
1242 {
1243 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1244 BOOL bTemp = infoPtr->bUnicode;
1245
1246 infoPtr->bUnicode = (BOOL)wParam;
1247
1248 return bTemp;
1249 }
1250
1251
1252 static LRESULT
1253 HEADER_Create (HWND hwnd, WPARAM wParam, LPARAM lParam)
1254 {
1255 HEADER_INFO *infoPtr;
1256 TEXTMETRICW tm;
1257 HFONT hOldFont;
1258 HDC hdc;
1259
1260 infoPtr = (HEADER_INFO *)Alloc (sizeof(HEADER_INFO));
1261 SetWindowLongPtrW (hwnd, 0, (DWORD_PTR)infoPtr);
1262
1263 infoPtr->hwndNotify = ((LPCREATESTRUCTA)lParam)->hwndParent;
1264 infoPtr->uNumItem = 0;
1265 infoPtr->hFont = 0;
1266 infoPtr->items = 0;
1267 infoPtr->order = 0;
1268 infoPtr->bRectsValid = FALSE;
1269 infoPtr->hcurArrow = LoadCursorW (0, (LPWSTR)IDC_ARROW);
1270 infoPtr->hcurDivider = LoadCursorW (COMCTL32_hModule, MAKEINTRESOURCEW(IDC_DIVIDER));
1271 infoPtr->hcurDivopen = LoadCursorW (COMCTL32_hModule, MAKEINTRESOURCEW(IDC_DIVIDEROPEN));
1272 infoPtr->bPressed = FALSE;
1273 infoPtr->bTracking = FALSE;
1274 infoPtr->iMoveItem = 0;
1275 infoPtr->himl = 0;
1276 infoPtr->iHotItem = -1;
1277 infoPtr->bUnicode = IsWindowUnicode (hwnd);
1278 infoPtr->iMargin = 3*GetSystemMetrics(SM_CXEDGE);
1279 infoPtr->nNotifyFormat =
1280 SendMessageW (infoPtr->hwndNotify, WM_NOTIFYFORMAT, (WPARAM)hwnd, NF_QUERY);
1281
1282 hdc = GetDC (0);
1283 hOldFont = SelectObject (hdc, GetStockObject (SYSTEM_FONT));
1284 GetTextMetricsW (hdc, &tm);
1285 infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
1286 SelectObject (hdc, hOldFont);
1287 ReleaseDC (0, hdc);
1288
1289 OpenThemeData(hwnd, themeClass);
1290
1291 return 0;
1292 }
1293
1294
1295 static LRESULT
1296 HEADER_Destroy (HWND hwnd, WPARAM wParam, LPARAM lParam)
1297 {
1298 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1299 HEADER_ITEM *lpItem;
1300 INT nItem;
1301 HTHEME theme;
1302
1303 if (infoPtr->items) {
1304 lpItem = infoPtr->items;
1305 for (nItem = 0; nItem < infoPtr->uNumItem; nItem++, lpItem++) {
1306 if ((lpItem->pszText) && (lpItem->pszText != LPSTR_TEXTCALLBACKW))
1307 Free (lpItem->pszText);
1308 }
1309 Free (infoPtr->items);
1310 }
1311
1312 if (infoPtr->order)
1313 Free(infoPtr->order);
1314
1315 if (infoPtr->himl)
1316 ImageList_Destroy (infoPtr->himl);
1317
1318 SetWindowLongPtrW (hwnd, 0, 0);
1319 Free (infoPtr);
1320
1321 theme = GetWindowTheme(hwnd);
1322 CloseThemeData(theme);
1323 return 0;
1324 }
1325
1326
1327 static inline LRESULT
1328 HEADER_GetFont (HWND hwnd)
1329 {
1330 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1331
1332 return (LRESULT)infoPtr->hFont;
1333 }
1334
1335
1336 static LRESULT
1337 HEADER_LButtonDblClk (HWND hwnd, WPARAM wParam, LPARAM lParam)
1338 {
1339 POINT pt;
1340 UINT flags;
1341 INT nItem;
1342
1343 pt.x = (INT)LOWORD(lParam);
1344 pt.y = (INT)HIWORD(lParam);
1345 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1346
1347 if ((GetWindowLongW (hwnd, GWL_STYLE) & HDS_BUTTONS) && (flags == HHT_ONHEADER))
1348 HEADER_SendHeaderNotify (hwnd, HDN_ITEMDBLCLICKA, nItem,0);
1349 else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN))
1350 HEADER_SendHeaderNotify (hwnd, HDN_DIVIDERDBLCLICKA, nItem,0);
1351
1352 return 0;
1353 }
1354
1355
1356 static LRESULT
1357 HEADER_LButtonDown (HWND hwnd, WPARAM wParam, LPARAM lParam)
1358 {
1359 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1360 DWORD dwStyle = GetWindowLongW (hwnd, GWL_STYLE);
1361 POINT pt;
1362 UINT flags;
1363 INT nItem;
1364 HDC hdc;
1365
1366 pt.x = (INT)LOWORD(lParam);
1367 pt.y = (INT)HIWORD(lParam);
1368 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1369
1370 if ((dwStyle & HDS_BUTTONS) && (flags == HHT_ONHEADER)) {
1371 SetCapture (hwnd);
1372 infoPtr->bCaptured = TRUE;
1373 infoPtr->bPressed = TRUE;
1374 infoPtr->iMoveItem = nItem;
1375
1376 infoPtr->items[nItem].bDown = TRUE;
1377
1378 /* Send WM_CUSTOMDRAW */
1379 hdc = GetDC (hwnd);
1380 HEADER_RefreshItem (hwnd, hdc, nItem);
1381 ReleaseDC (hwnd, hdc);
1382
1383 TRACE("Pressed item %d!\n", nItem);
1384 }
1385 else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN)) {
1386 if (!(HEADER_SendHeaderNotify (hwnd, HDN_BEGINTRACKA, nItem,0))) {
1387 SetCapture (hwnd);
1388 infoPtr->bCaptured = TRUE;
1389 infoPtr->bTracking = TRUE;
1390 infoPtr->iMoveItem = nItem;
1391 infoPtr->nOldWidth = infoPtr->items[nItem].cxy;
1392 infoPtr->xTrackOffset = infoPtr->items[nItem].rect.right - pt.x;
1393
1394 if (!(dwStyle & HDS_FULLDRAG)) {
1395 infoPtr->xOldTrack = infoPtr->items[nItem].rect.right;
1396 hdc = GetDC (hwnd);
1397 HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
1398 ReleaseDC (hwnd, hdc);
1399 }
1400
1401 TRACE("Begin tracking item %d!\n", nItem);
1402 }
1403 }
1404
1405 return 0;
1406 }
1407
1408
1409 static LRESULT
1410 HEADER_LButtonUp (HWND hwnd, WPARAM wParam, LPARAM lParam)
1411 {
1412 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1413 /*
1414 *DWORD dwStyle = GetWindowLongW (hwnd, GWL_STYLE);
1415 */
1416 POINT pt;
1417 UINT flags;
1418 INT nItem, nWidth;
1419 HDC hdc;
1420
1421 pt.x = (INT)(SHORT)LOWORD(lParam);
1422 pt.y = (INT)(SHORT)HIWORD(lParam);
1423 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1424
1425 if (infoPtr->bPressed) {
1426 if ((nItem == infoPtr->iMoveItem) && (flags == HHT_ONHEADER)) {
1427 infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
1428 hdc = GetDC (hwnd);
1429 HEADER_RefreshItem (hwnd, hdc, infoPtr->iMoveItem);
1430 ReleaseDC (hwnd, hdc);
1431
1432 HEADER_SendClickNotify (hwnd, HDN_ITEMCLICKA, infoPtr->iMoveItem);
1433 }
1434 else if (flags == HHT_ONHEADER)
1435 {
1436 HEADER_ITEM *lpItem;
1437 INT newindex = HEADER_IndexToOrder(hwnd,nItem);
1438 INT oldindex = HEADER_IndexToOrder(hwnd,infoPtr->iMoveItem);
1439
1440 TRACE("Exchanging [index:order] [%d:%d] [%d:%d]\n",
1441 infoPtr->iMoveItem,oldindex,nItem,newindex);
1442 lpItem= &infoPtr->items[nItem];
1443 lpItem->iOrder=oldindex;
1444
1445 lpItem= &infoPtr->items[infoPtr->iMoveItem];
1446 lpItem->iOrder = newindex;
1447
1448 infoPtr->order[oldindex] = nItem;
1449 infoPtr->order[newindex] = infoPtr->iMoveItem;
1450
1451 infoPtr->bRectsValid = FALSE;
1452 InvalidateRect(hwnd, NULL, FALSE);
1453 /* FIXME: Should some WM_NOTIFY be sent */
1454 }
1455
1456 TRACE("Released item %d!\n", infoPtr->iMoveItem);
1457 infoPtr->bPressed = FALSE;
1458 }
1459 else if (infoPtr->bTracking) {
1460 TRACE("End tracking item %d!\n", infoPtr->iMoveItem);
1461 infoPtr->bTracking = FALSE;
1462
1463 HEADER_SendHeaderNotify (hwnd, HDN_ENDTRACKA, infoPtr->iMoveItem,HDI_WIDTH);
1464
1465 /*
1466 * we want to do this even for HDS_FULLDRAG because this is where
1467 * we send the HDN_ITEMCHANGING and HDN_ITEMCHANGED notifications
1468 *
1469 * if (!(dwStyle & HDS_FULLDRAG)) {
1470 */
1471
1472 hdc = GetDC (hwnd);
1473 HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
1474 ReleaseDC (hwnd, hdc);
1475 if (HEADER_SendHeaderNotify(hwnd, HDN_ITEMCHANGINGA, infoPtr->iMoveItem, HDI_WIDTH))
1476 {
1477 infoPtr->items[infoPtr->iMoveItem].cxy = infoPtr->nOldWidth;
1478 }
1479 else {
1480 nWidth = pt.x - infoPtr->items[infoPtr->iMoveItem].rect.left + infoPtr->xTrackOffset;
1481 if (nWidth < 0)
1482 nWidth = 0;
1483 infoPtr->items[infoPtr->iMoveItem].cxy = nWidth;
1484 }
1485
1486 HEADER_SetItemBounds (hwnd);
1487 InvalidateRect(hwnd, NULL, TRUE);
1488 HEADER_SendHeaderNotify(hwnd, HDN_ITEMCHANGEDA, infoPtr->iMoveItem, HDI_WIDTH);
1489 /*
1490 * }
1491 */
1492 }
1493
1494 if (infoPtr->bCaptured) {
1495 infoPtr->bCaptured = FALSE;
1496 ReleaseCapture ();
1497 HEADER_SendSimpleNotify (hwnd, NM_RELEASEDCAPTURE);
1498 }
1499
1500 return 0;
1501 }
1502
1503
1504 static LRESULT
1505 HEADER_NotifyFormat (HWND hwnd, WPARAM wParam, LPARAM lParam)
1506 {
1507 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1508
1509 switch (lParam)
1510 {
1511 case NF_QUERY:
1512 return infoPtr->nNotifyFormat;
1513
1514 case NF_REQUERY:
1515 infoPtr->nNotifyFormat =
1516 SendMessageW ((HWND)wParam, WM_NOTIFYFORMAT,
1517 (WPARAM)hwnd, (LPARAM)NF_QUERY);
1518 return infoPtr->nNotifyFormat;
1519 }
1520
1521 return 0;
1522 }
1523
1524
1525 static LRESULT
1526 HEADER_MouseLeave (HWND hwnd, WPARAM wParam, LPARAM lParam)
1527 {
1528 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1529 /* Reset hot-tracked item when mouse leaves control. */
1530 INT oldHotItem = infoPtr->iHotItem;
1531 HDC hdc = GetDC (hwnd);
1532
1533 infoPtr->iHotItem = -1;
1534 if (oldHotItem != -1) HEADER_RefreshItem (hwnd, hdc, oldHotItem);
1535 ReleaseDC (hwnd, hdc);
1536
1537 return 0;
1538 }
1539
1540
1541 static LRESULT
1542 HEADER_MouseMove (HWND hwnd, WPARAM wParam, LPARAM lParam)
1543 {
1544 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1545 DWORD dwStyle = GetWindowLongW (hwnd, GWL_STYLE);
1546 POINT pt;
1547 UINT flags;
1548 INT nItem, nWidth;
1549 HDC hdc;
1550 /* With theming, hottracking is always enabled */
1551 BOOL hotTrackEnabled =
1552 ((dwStyle & HDS_BUTTONS) && (dwStyle & HDS_HOTTRACK))
1553 || (GetWindowTheme (hwnd) != NULL);
1554 INT oldHotItem = infoPtr->iHotItem;
1555
1556 pt.x = (INT)(SHORT)LOWORD(lParam);
1557 pt.y = (INT)(SHORT)HIWORD(lParam);
1558 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1559
1560 if (hotTrackEnabled) {
1561 if (flags & (HHT_ONHEADER | HHT_ONDIVIDER | HHT_ONDIVOPEN))
1562 infoPtr->iHotItem = nItem;
1563 else
1564 infoPtr->iHotItem = -1;
1565 }
1566
1567 if (infoPtr->bCaptured) {
1568 if (infoPtr->bPressed) {
1569 BOOL oldState = infoPtr->items[infoPtr->iMoveItem].bDown;
1570 if ((nItem == infoPtr->iMoveItem) && (flags == HHT_ONHEADER))
1571 infoPtr->items[infoPtr->iMoveItem].bDown = TRUE;
1572 else
1573 infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
1574 if (oldState != infoPtr->items[infoPtr->iMoveItem].bDown) {
1575 hdc = GetDC (hwnd);
1576 HEADER_RefreshItem (hwnd, hdc, infoPtr->iMoveItem);
1577 ReleaseDC (hwnd, hdc);
1578 }
1579
1580 TRACE("Moving pressed item %d!\n", infoPtr->iMoveItem);
1581 }
1582 else if (infoPtr->bTracking) {
1583 if (dwStyle & HDS_FULLDRAG) {
1584 if (HEADER_SendHeaderNotify (hwnd, HDN_TRACKA, infoPtr->iMoveItem, HDI_WIDTH))
1585 {
1586 nWidth = pt.x - infoPtr->items[infoPtr->iMoveItem].rect.left + infoPtr->xTrackOffset;
1587 if (nWidth < 0)
1588 nWidth = 0;
1589 infoPtr->items[infoPtr->iMoveItem].cxy = nWidth;
1590 HEADER_SendHeaderNotify(hwnd, HDN_ITEMCHANGEDA, infoPtr->iMoveItem, HDI_WIDTH);
1591 }
1592 HEADER_SetItemBounds (hwnd);
1593 }
1594 else {
1595 hdc = GetDC (hwnd);
1596 HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
1597 infoPtr->xOldTrack = pt.x + infoPtr->xTrackOffset;
1598 if (infoPtr->xOldTrack < infoPtr->items[infoPtr->iMoveItem].rect.left)
1599 infoPtr->xOldTrack = infoPtr->items[infoPtr->iMoveItem].rect.left;
1600 infoPtr->items[infoPtr->iMoveItem].cxy =
1601 infoPtr->xOldTrack - infoPtr->items[infoPtr->iMoveItem].rect.left;
1602 HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
1603 ReleaseDC (hwnd, hdc);
1604 HEADER_SendHeaderNotify (hwnd, HDN_TRACKA, infoPtr->iMoveItem, HDI_WIDTH);
1605 }
1606
1607 TRACE("Tracking item %d!\n", infoPtr->iMoveItem);
1608 }
1609 }
1610
1611 if (hotTrackEnabled) {
1612 TRACKMOUSEEVENT tme;
1613 if (oldHotItem != infoPtr->iHotItem) {
1614 hdc = GetDC (hwnd);
1615 if (oldHotItem != -1) HEADER_RefreshItem (hwnd, hdc, oldHotItem);
1616 if (infoPtr->iHotItem != -1) HEADER_RefreshItem (hwnd, hdc, infoPtr->iHotItem);
1617 ReleaseDC (hwnd, hdc);
1618 }
1619 tme.cbSize = sizeof( tme );
1620 tme.dwFlags = TME_LEAVE;
1621 tme.hwndTrack = hwnd;
1622 TrackMouseEvent( &tme );
1623 }
1624
1625 return 0;
1626 }
1627
1628
1629 static LRESULT
1630 HEADER_Paint (HWND hwnd, WPARAM wParam)
1631 {
1632 HDC hdc;
1633 PAINTSTRUCT ps;
1634
1635 hdc = wParam==0 ? BeginPaint (hwnd, &ps) : (HDC)wParam;
1636 HEADER_Refresh (hwnd, hdc);
1637 if(!wParam)
1638 EndPaint (hwnd, &ps);
1639 return 0;
1640 }
1641
1642
1643 static LRESULT
1644 HEADER_RButtonUp (HWND hwnd, WPARAM wParam, LPARAM lParam)
1645 {
1646 BOOL bRet;
1647 POINT pt;
1648
1649 pt.x = LOWORD(lParam);
1650 pt.y = HIWORD(lParam);
1651
1652 /* Send a Notify message */
1653 bRet = HEADER_SendSimpleNotify (hwnd, NM_RCLICK);
1654
1655 /* Change to screen coordinate for WM_CONTEXTMENU */
1656 ClientToScreen(hwnd, &pt);
1657
1658 /* Send a WM_CONTEXTMENU message in response to the RBUTTONUP */
1659 SendMessageW( hwnd, WM_CONTEXTMENU, (WPARAM) hwnd, MAKELPARAM(pt.x, pt.y));
1660
1661 return bRet;
1662 }
1663
1664
1665 static LRESULT
1666 HEADER_SetCursor (HWND hwnd, WPARAM wParam, LPARAM lParam)
1667 {
1668 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1669 POINT pt;
1670 UINT flags;
1671 INT nItem;
1672
1673 TRACE("code=0x%X id=0x%X\n", LOWORD(lParam), HIWORD(lParam));
1674
1675 GetCursorPos (&pt);
1676 ScreenToClient (hwnd, &pt);
1677
1678 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1679
1680 if (flags == HHT_ONDIVIDER)
1681 SetCursor (infoPtr->hcurDivider);
1682 else if (flags == HHT_ONDIVOPEN)
1683 SetCursor (infoPtr->hcurDivopen);
1684 else
1685 SetCursor (infoPtr->hcurArrow);
1686
1687 return 0;
1688 }
1689
1690
1691 static LRESULT
1692 HEADER_SetFont (HWND hwnd, WPARAM wParam, LPARAM lParam)
1693 {
1694 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1695 TEXTMETRICW tm;
1696 HFONT hFont, hOldFont;
1697 HDC hdc;
1698
1699 infoPtr->hFont = (HFONT)wParam;
1700
1701 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT);
1702
1703 hdc = GetDC (0);
1704 hOldFont = SelectObject (hdc, hFont);
1705 GetTextMetricsW (hdc, &tm);
1706 infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
1707 SelectObject (hdc, hOldFont);
1708 ReleaseDC (0, hdc);
1709
1710 infoPtr->bRectsValid = FALSE;
1711
1712 if (lParam) {
1713 InvalidateRect(hwnd, NULL, FALSE);
1714 }
1715
1716 return 0;
1717 }
1718
1719 /* Update the theme handle after a theme change */
1720 static LRESULT HEADER_ThemeChanged(HWND hwnd)
1721 {
1722 HTHEME theme = GetWindowTheme(hwnd);
1723 CloseThemeData(theme);
1724 OpenThemeData(hwnd, themeClass);
1725 InvalidateRect(hwnd, NULL, FALSE);
1726 return 0;
1727 }
1728
1729
1730 static LRESULT WINAPI
1731 HEADER_WindowProc (HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
1732 {
1733 TRACE("hwnd=%p msg=%x wparam=%x lParam=%lx\n", hwnd, msg, wParam, lParam);
1734 if (!HEADER_GetInfoPtr (hwnd) && (msg != WM_CREATE))
1735 return DefWindowProcW (hwnd, msg, wParam, lParam);
1736 switch (msg) {
1737 /* case HDM_CLEARFILTER: */
1738
1739 case HDM_CREATEDRAGIMAGE:
1740 return HEADER_CreateDragImage (hwnd, wParam);
1741
1742 case HDM_DELETEITEM:
1743 return HEADER_DeleteItem (hwnd, wParam);
1744
1745 /* case HDM_EDITFILTER: */
1746
1747 case HDM_GETBITMAPMARGIN:
1748 return HEADER_GetBitmapMargin(hwnd);
1749
1750 case HDM_GETIMAGELIST:
1751 return HEADER_GetImageList (hwnd);
1752
1753 case HDM_GETITEMA:
1754 case HDM_GETITEMW:
1755 return HEADER_GetItemT (hwnd, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_GETITEMW);
1756
1757 case HDM_GETITEMCOUNT:
1758 return HEADER_GetItemCount (hwnd);
1759
1760 case HDM_GETITEMRECT:
1761 return HEADER_GetItemRect (hwnd, wParam, lParam);
1762
1763 case HDM_GETORDERARRAY:
1764 return HEADER_GetOrderArray(hwnd, wParam, lParam);
1765
1766 case HDM_GETUNICODEFORMAT:
1767 return HEADER_GetUnicodeFormat (hwnd);
1768
1769 case HDM_HITTEST:
1770 return HEADER_HitTest (hwnd, wParam, lParam);
1771
1772 case HDM_INSERTITEMA:
1773 case HDM_INSERTITEMW:
1774 return HEADER_InsertItemT (hwnd, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_INSERTITEMW);
1775
1776 case HDM_LAYOUT:
1777 return HEADER_Layout (hwnd, wParam, lParam);
1778
1779 case HDM_ORDERTOINDEX:
1780 return HEADER_OrderToIndex(hwnd, wParam);
1781
1782 case HDM_SETBITMAPMARGIN:
1783 return HEADER_SetBitmapMargin(hwnd, wParam);
1784
1785 /* case HDM_SETFILTERCHANGETIMEOUT: */
1786
1787 /* case HDM_SETHOTDIVIDER: */
1788
1789 case HDM_SETIMAGELIST:
1790 return HEADER_SetImageList (hwnd, (HIMAGELIST)lParam);
1791
1792 case HDM_SETITEMA:
1793 case HDM_SETITEMW:
1794 return HEADER_SetItemT (hwnd, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_SETITEMW);
1795
1796 case HDM_SETORDERARRAY:
1797 return HEADER_SetOrderArray(hwnd, wParam, lParam);
1798
1799 case HDM_SETUNICODEFORMAT:
1800 return HEADER_SetUnicodeFormat (hwnd, wParam);
1801
1802 case WM_CREATE:
1803 return HEADER_Create (hwnd, wParam, lParam);
1804
1805 case WM_DESTROY:
1806 return HEADER_Destroy (hwnd, wParam, lParam);
1807
1808 case WM_ERASEBKGND:
1809 return 1;
1810
1811 case WM_GETDLGCODE:
1812 return DLGC_WANTTAB | DLGC_WANTARROWS;
1813
1814 case WM_GETFONT:
1815 return HEADER_GetFont (hwnd);
1816
1817 case WM_LBUTTONDBLCLK:
1818 return HEADER_LButtonDblClk (hwnd, wParam, lParam);
1819
1820 case WM_LBUTTONDOWN:
1821 return HEADER_LButtonDown (hwnd, wParam, lParam);
1822
1823 case WM_LBUTTONUP:
1824 return HEADER_LButtonUp (hwnd, wParam, lParam);
1825
1826 case WM_MOUSELEAVE:
1827 return HEADER_MouseLeave (hwnd, wParam, lParam);
1828
1829 case WM_MOUSEMOVE:
1830 return HEADER_MouseMove (hwnd, wParam, lParam);
1831
1832 case WM_NOTIFYFORMAT:
1833 return HEADER_NotifyFormat (hwnd, wParam, lParam);
1834
1835 case WM_SIZE:
1836 return HEADER_Size (hwnd, wParam);
1837
1838 case WM_THEMECHANGED:
1839 return HEADER_ThemeChanged (hwnd);
1840
1841 case WM_PRINTCLIENT:
1842 case WM_PAINT:
1843 return HEADER_Paint (hwnd, wParam);
1844
1845 case WM_RBUTTONUP:
1846 return HEADER_RButtonUp (hwnd, wParam, lParam);
1847
1848 case WM_SETCURSOR:
1849 return HEADER_SetCursor (hwnd, wParam, lParam);
1850
1851 case WM_SETFONT:
1852 return HEADER_SetFont (hwnd, wParam, lParam);
1853
1854 default:
1855 if ((msg >= WM_USER) && (msg < WM_APP))
1856 ERR("unknown msg %04x wp=%04x lp=%08lx\n",
1857 msg, wParam, lParam );
1858 return DefWindowProcA (hwnd, msg, wParam, lParam);
1859 }
1860 }
1861
1862
1863 VOID
1864 HEADER_Register (void)
1865 {
1866 WNDCLASSW wndClass;
1867
1868 ZeroMemory (&wndClass, sizeof(WNDCLASSW));
1869 wndClass.style = CS_GLOBALCLASS | CS_DBLCLKS;
1870 wndClass.lpfnWndProc = HEADER_WindowProc;
1871 wndClass.cbClsExtra = 0;
1872 wndClass.cbWndExtra = sizeof(HEADER_INFO *);
1873 wndClass.hCursor = LoadCursorW (0, (LPWSTR)IDC_ARROW);
1874 wndClass.lpszClassName = WC_HEADERW;
1875
1876 RegisterClassW (&wndClass);
1877 }
1878
1879
1880 VOID
1881 HEADER_Unregister (void)
1882 {
1883 UnregisterClassW (WC_HEADERW, NULL);
1884 }
Work in progress by Kai Blin