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Update the address of the Free Software Foundation.
[wine.git] / dlls / comctl32 / header.c
blob38d752ef26c897b24fb11421e38096bfa022d05d
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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, 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 DWORD callbackMask; /* HDI_* flags for items that are callback */
65 } HEADER_ITEM;
66
67
68 typedef struct
69 {
70 HWND hwndNotify; /* Owner window to send notifications to */
71 INT nNotifyFormat; /* format used for WM_NOTIFY messages */
72 UINT uNumItem; /* number of items (columns) */
73 INT nHeight; /* height of the header (pixels) */
74 HFONT hFont; /* handle to the current font */
75 HCURSOR hcurArrow; /* handle to the arrow cursor */
76 HCURSOR hcurDivider; /* handle to a cursor (used over dividers) <-|-> */
77 HCURSOR hcurDivopen; /* handle to a cursor (used over dividers) <-||-> */
78 BOOL bCaptured; /* Is the mouse captured? */
79 BOOL bPressed; /* Is a header item pressed (down)? */
80 BOOL bTracking; /* Is in tracking mode? */
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 4
96 #define DIVIDER_WIDTH 10
97 #define MAX_HEADER_TEXT_LEN 260
98 #define HDN_UNICODE_OFFSET 20
99 #define HDN_FIRST_UNICODE (HDN_FIRST-HDN_UNICODE_OFFSET)
100
101 #define HDI_SUPPORTED_FIELDS (HDI_WIDTH|HDI_TEXT|HDI_FORMAT|HDI_LPARAM|HDI_BITMAP|HDI_IMAGE|HDI_ORDER)
102 #define HDI_UNSUPPORTED_FIELDS (HDI_FILTER)
103 #define HDI_UNKNOWN_FIELDS (~(HDI_SUPPORTED_FIELDS|HDI_UNSUPPORTED_FIELDS|HDI_DI_SETITEM))
104 #define HDI_COMCTL32_4_0_FIELDS (HDI_WIDTH|HDI_TEXT|HDI_FORMAT|HDI_LPARAM|HDI_BITMAP)
105
106 #define HEADER_GetInfoPtr(hwnd) ((HEADER_INFO *)GetWindowLongPtrW(hwnd,0))
107
108 static BOOL HEADER_PrepareCallbackItems(HWND hwnd, INT iItem, INT reqMask);
109 static void HEADER_FreeCallbackItems(HEADER_ITEM *lpItem);
110
111 static const WCHAR themeClass[] = {'H','e','a','d','e','r',0};
112 static WCHAR emptyString[] = {0};
113
114 static void HEADER_DisposeItem(HEADER_ITEM *lpItem)
115 {
116 if (lpItem->pszText)
117 {
118 Free(lpItem->pszText);
119 }
120 }
121
122 static void HEADER_StoreHDItemInHeader(HEADER_ITEM *lpItem, UINT mask, HDITEMW *phdi, BOOL fUnicode)
123 {
124 if (mask & HDI_UNSUPPORTED_FIELDS)
125 FIXME("unsupported header fields %x\n", (mask & HDI_UNSUPPORTED_FIELDS));
126
127 if (mask & HDI_BITMAP)
128 lpItem->hbm = phdi->hbm;
129
130 if (mask & HDI_FORMAT)
131 lpItem->fmt = phdi->fmt;
132
133 if (mask & HDI_LPARAM)
134 lpItem->lParam = phdi->lParam;
135
136 if (mask & HDI_WIDTH)
137 lpItem->cxy = phdi->cxy;
138
139 if (mask & HDI_IMAGE)
140 {
141 lpItem->iImage = phdi->iImage;
142 if (phdi->iImage == I_IMAGECALLBACK)
143 lpItem->callbackMask |= HDI_IMAGE;
144 else
145 lpItem->callbackMask &= ~HDI_IMAGE;
146 }
147
148 if (mask & HDI_TEXT)
149 {
150 if (lpItem->pszText)
151 {
152 Free(lpItem->pszText);
153 lpItem->pszText = NULL;
154 }
155
156 if (phdi->pszText != LPSTR_TEXTCALLBACKW) /* covers != TEXTCALLBACKA too */
157 {
158 LPWSTR pszText = (phdi->pszText != NULL ? phdi->pszText : emptyString);
159 if (fUnicode)
160 Str_SetPtrW(&lpItem->pszText, pszText);
161 else
162 Str_SetPtrAtoW(&lpItem->pszText, (LPSTR)pszText);
163 lpItem->callbackMask &= ~HDI_TEXT;
164 }
165 else
166 {
167 lpItem->pszText = NULL;
168 lpItem->callbackMask |= HDI_TEXT;
169 }
170 }
171 }
172
173 inline static LRESULT
174 HEADER_IndexToOrder (HWND hwnd, INT iItem)
175 {
176 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
177 HEADER_ITEM *lpItem = &infoPtr->items[iItem];
178 return lpItem->iOrder;
179 }
180
181
182 static INT
183 HEADER_OrderToIndex(HWND hwnd, WPARAM wParam)
184 {
185 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
186 INT iorder = (INT)wParam;
187
188 if ((iorder <0) || iorder >= infoPtr->uNumItem)
189 return iorder;
190 return infoPtr->order[iorder];
191 }
192
193 static void
194 HEADER_SetItemBounds (HWND hwnd)
195 {
196 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
197 HEADER_ITEM *phdi;
198 RECT rect;
199 unsigned int i;
200 int x;
201
202 infoPtr->bRectsValid = TRUE;
203
204 if (infoPtr->uNumItem == 0)
205 return;
206
207 GetClientRect (hwnd, &rect);
208
209 x = rect.left;
210 for (i = 0; i < infoPtr->uNumItem; i++) {
211 phdi = &infoPtr->items[HEADER_OrderToIndex(hwnd,i)];
212 phdi->rect.top = rect.top;
213 phdi->rect.bottom = rect.bottom;
214 phdi->rect.left = x;
215 phdi->rect.right = phdi->rect.left + ((phdi->cxy>0)?phdi->cxy:0);
216 x = phdi->rect.right;
217 }
218 }
219
220 static LRESULT
221 HEADER_Size (HWND hwnd, WPARAM wParam)
222 {
223 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
224
225 infoPtr->bRectsValid = FALSE;
226
227 return 0;
228 }
229
230
231 static INT
232 HEADER_DrawItem (HWND hwnd, HDC hdc, INT iItem, BOOL bHotTrack)
233 {
234 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
235 HEADER_ITEM *phdi = &infoPtr->items[iItem];
236 RECT r;
237 INT oldBkMode, cxEdge = GetSystemMetrics(SM_CXEDGE);
238 HTHEME theme = GetWindowTheme (hwnd);
239 NMCUSTOMDRAW nmcd;
240
241 TRACE("DrawItem(iItem %d bHotTrack %d unicode flag %d)\n", iItem, bHotTrack, (infoPtr->nNotifyFormat == NFR_UNICODE));
242
243 if (!infoPtr->bRectsValid)
244 HEADER_SetItemBounds(hwnd);
245
246 r = phdi->rect;
247 if (r.right - r.left == 0)
248 return phdi->rect.right;
249
250 if (theme != NULL) {
251 int state = (phdi->bDown) ? HIS_PRESSED :
252 (bHotTrack ? HIS_HOT : HIS_NORMAL);
253 DrawThemeBackground (theme, hdc, HP_HEADERITEM, state,
254 &r, NULL);
255 GetThemeBackgroundContentRect (theme, hdc, HP_HEADERITEM, state,
256 &r, &r);
257 }
258 else {
259 if (GetWindowLongW (hwnd, GWL_STYLE) & HDS_BUTTONS) {
260 if (phdi->bDown) {
261 DrawEdge (hdc, &r, BDR_RAISEDOUTER,
262 BF_RECT | BF_FLAT | BF_MIDDLE | BF_ADJUST);
263 }
264 else
265 DrawEdge (hdc, &r, EDGE_RAISED,
266 BF_RECT | BF_SOFT | BF_MIDDLE | BF_ADJUST);
267 }
268 else
269 DrawEdge (hdc, &r, EDGE_ETCHED, BF_BOTTOM | BF_RIGHT | BF_ADJUST);
270 }
271 if (phdi->bDown) {
272 r.left += 2;
273 r.top += 2;
274 }
275
276 r.left -= cxEdge;
277 r.right += cxEdge;
278
279 /* Set the colors before sending NM_CUSTOMDRAW so that it can change them */
280 SetTextColor (hdc, (bHotTrack && !theme) ? COLOR_HIGHLIGHT : COLOR_BTNTEXT);
281 SetBkColor(hdc, GetSysColor(COLOR_3DFACE));
282
283 nmcd.hdr.hwndFrom = hwnd;
284 nmcd.hdr.idFrom = GetWindowLongPtrW (hwnd, GWLP_ID);
285 nmcd.hdr.code = NM_CUSTOMDRAW;
286 nmcd.dwDrawStage = CDDS_PREPAINT | CDDS_ITEM | CDDS_ITEMPOSTERASE;
287 nmcd.hdc = hdc;
288 nmcd.dwItemSpec = iItem;
289 nmcd.rc = r;
290 nmcd.uItemState = phdi->bDown ? CDIS_SELECTED : 0;
291 nmcd.lItemlParam = phdi->lParam;
292
293 SendMessageW (infoPtr->hwndNotify, WM_NOTIFY, nmcd.hdr.idFrom, (LPARAM)&nmcd);
294
295 if (phdi->fmt & HDF_OWNERDRAW) {
296 DRAWITEMSTRUCT dis;
297
298 dis.CtlType = ODT_HEADER;
299 dis.CtlID = GetWindowLongPtrW (hwnd, GWLP_ID);
300 dis.itemID = iItem;
301 dis.itemAction = ODA_DRAWENTIRE;
302 dis.itemState = phdi->bDown ? ODS_SELECTED : 0;
303 dis.hwndItem = hwnd;
304 dis.hDC = hdc;
305 dis.rcItem = r;
306 dis.itemData = phdi->lParam;
307 oldBkMode = SetBkMode(hdc, TRANSPARENT);
308 SendMessageW (infoPtr->hwndNotify, WM_DRAWITEM,
309 (WPARAM)dis.CtlID, (LPARAM)&dis);
310 if (oldBkMode != TRANSPARENT)
311 SetBkMode(hdc, oldBkMode);
312 }
313 else {
314 UINT rw, rh, /* width and height of r */
315 *x = NULL, *w = NULL; /* x and width of the pic (bmp or img) which is part of cnt */
316 /* cnt,txt,img,bmp */
317 UINT cx, tx, ix, bx,
318 cw, tw, iw, bw;
319 BITMAP bmp;
320
321 HEADER_PrepareCallbackItems(hwnd, iItem, HDI_TEXT|HDI_IMAGE);
322 cw = tw = iw = bw = 0;
323 rw = r.right - r.left;
324 rh = r.bottom - r.top;
325
326 if (theme == NULL) {
327 HBRUSH hbr = CreateSolidBrush(GetBkColor(hdc));
328 RECT rcBackground = r;
329
330 rcBackground.right -= cxEdge;
331 rcBackground.left += cxEdge;
332 FillRect(hdc, &rcBackground, hbr);
333 DeleteObject(hbr);
334 }
335 if (phdi->fmt & HDF_STRING) {
336 RECT textRect;
337
338 DrawTextW (hdc, phdi->pszText, -1,
339 &textRect, DT_LEFT|DT_VCENTER|DT_SINGLELINE|DT_CALCRECT);
340 cw = textRect.right - textRect.left + 2 * infoPtr->iMargin;
341 }
342
343 if ((phdi->fmt & HDF_IMAGE) && (infoPtr->himl)) {
344 iw = infoPtr->himl->cx + 2 * infoPtr->iMargin;
345 x = &ix;
346 w = &iw;
347 }
348
349 if ((phdi->fmt & HDF_BITMAP) && (phdi->hbm)) {
350 GetObjectW (phdi->hbm, sizeof(BITMAP), (LPVOID)&bmp);
351 bw = bmp.bmWidth + 2 * infoPtr->iMargin;
352 if (!iw) {
353 x = &bx;
354 w = &bw;
355 }
356 }
357
358 if (bw || iw)
359 cw += *w;
360
361 /* align cx using the unclipped cw */
362 if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_LEFT)
363 cx = r.left;
364 else if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_CENTER)
365 cx = r.left + rw / 2 - cw / 2;
366 else /* HDF_RIGHT */
367 cx = r.right - cw;
368
369 /* clip cx & cw */
370 if (cx < r.left)
371 cx = r.left;
372 if (cx + cw > r.right)
373 cw = r.right - cx;
374
375 tx = cx + infoPtr->iMargin;
376 /* since cw might have changed we have to recalculate tw */
377 tw = cw - infoPtr->iMargin * 2;
378
379 if (iw || bw) {
380 tw -= *w;
381 if (phdi->fmt & HDF_BITMAP_ON_RIGHT) {
382 /* put pic behind text */
383 *x = cx + tw + infoPtr->iMargin * 3;
384 } else {
385 *x = cx + infoPtr->iMargin;
386 /* move text behind pic */
387 tx += *w;
388 }
389 }
390
391 if (iw && bw) {
392 /* since we're done with the layout we can
393 now calculate the position of bmp which
394 has no influence on alignment and layout
395 because of img */
396 if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_RIGHT)
397 bx = cx - bw + infoPtr->iMargin;
398 else
399 bx = cx + cw + infoPtr->iMargin;
400 }
401
402 if (iw || bw) {
403 HDC hClipDC = GetDC(hwnd);
404 HRGN hClipRgn = CreateRectRgn(r.left, r.top, r.right, r.bottom);
405 SelectClipRgn(hClipDC, hClipRgn);
406
407 if (bw) {
408 HDC hdcBitmap = CreateCompatibleDC (hClipDC);
409 SelectObject (hdcBitmap, phdi->hbm);
410 BitBlt (hClipDC, bx, r.top + ((INT)rh - bmp.bmHeight) / 2,
411 bmp.bmWidth, bmp.bmHeight, hdcBitmap, 0, 0, SRCCOPY);
412 DeleteDC (hdcBitmap);
413 }
414
415 if (iw) {
416 ImageList_DrawEx (infoPtr->himl, phdi->iImage, hClipDC,
417 ix, r.top + ((INT)rh - infoPtr->himl->cy) / 2,
418 infoPtr->himl->cx, infoPtr->himl->cy, CLR_DEFAULT, CLR_DEFAULT, 0);
419 }
420
421 DeleteObject(hClipRgn);
422 ReleaseDC(hwnd, hClipDC);
423 }
424
425 if (((phdi->fmt & HDF_STRING)
426 || (!(phdi->fmt & (HDF_OWNERDRAW|HDF_STRING|HDF_BITMAP|
427 HDF_BITMAP_ON_RIGHT|HDF_IMAGE)))) /* no explicit format specified? */
428 && (phdi->pszText)) {
429 oldBkMode = SetBkMode(hdc, TRANSPARENT);
430 r.left = tx;
431 r.right = tx + tw;
432 DrawTextW (hdc, phdi->pszText, -1,
433 &r, DT_LEFT|DT_END_ELLIPSIS|DT_VCENTER|DT_SINGLELINE);
434 if (oldBkMode != TRANSPARENT)
435 SetBkMode(hdc, oldBkMode);
436 }
437 HEADER_FreeCallbackItems(phdi);
438 }/*Ownerdrawn*/
439
440 return phdi->rect.right;
441 }
442
443
444 static void
445 HEADER_Refresh (HWND hwnd, HDC hdc)
446 {
447 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
448 HFONT hFont, hOldFont;
449 RECT rect;
450 HBRUSH hbrBk;
451 UINT i;
452 INT x;
453 HTHEME theme = GetWindowTheme (hwnd);
454
455 /* get rect for the bar, adjusted for the border */
456 GetClientRect (hwnd, &rect);
457
458 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT);
459 hOldFont = SelectObject (hdc, hFont);
460
461 /* draw Background */
462 if (infoPtr->uNumItem == 0 && theme == NULL) {
463 hbrBk = GetSysColorBrush(COLOR_3DFACE);
464 FillRect(hdc, &rect, hbrBk);
465 }
466
467 x = rect.left;
468 for (i = 0; x <= rect.right && i < infoPtr->uNumItem; i++) {
469 x = HEADER_DrawItem (hwnd, hdc, HEADER_OrderToIndex(hwnd,i),
470 infoPtr->iHotItem == i);
471 }
472
473 if ((x <= rect.right) && (infoPtr->uNumItem > 0)) {
474 rect.left = x;
475 if (theme != NULL) {
476 DrawThemeBackground (theme, hdc, HP_HEADERITEM, HIS_NORMAL, &rect,
477 NULL);
478 }
479 else {
480 if (GetWindowLongW (hwnd, GWL_STYLE) & HDS_BUTTONS)
481 DrawEdge (hdc, &rect, EDGE_RAISED, BF_TOP|BF_LEFT|BF_BOTTOM|BF_SOFT|BF_MIDDLE);
482 else
483 DrawEdge (hdc, &rect, EDGE_ETCHED, BF_BOTTOM|BF_MIDDLE);
484 }
485 }
486
487 SelectObject (hdc, hOldFont);
488 }
489
490
491 static void
492 HEADER_RefreshItem (HWND hwnd, HDC hdc, INT iItem)
493 {
494 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
495 HFONT hFont, hOldFont;
496
497 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT);
498 hOldFont = SelectObject (hdc, hFont);
499 HEADER_DrawItem (hwnd, hdc, iItem, infoPtr->iHotItem == iItem);
500 SelectObject (hdc, hOldFont);
501 }
502
503
504 static void
505 HEADER_InternalHitTest (HWND hwnd, LPPOINT lpPt, UINT *pFlags, INT *pItem)
506 {
507 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
508 RECT rect, rcTest;
509 UINT iCount;
510 INT width;
511 BOOL bNoWidth;
512
513 GetClientRect (hwnd, &rect);
514
515 *pFlags = 0;
516 bNoWidth = FALSE;
517 if (PtInRect (&rect, *lpPt))
518 {
519 if (infoPtr->uNumItem == 0) {
520 *pFlags |= HHT_NOWHERE;
521 *pItem = 1;
522 TRACE("NOWHERE\n");
523 return;
524 }
525 else {
526 /* somewhere inside */
527 for (iCount = 0; iCount < infoPtr->uNumItem; iCount++) {
528 rect = infoPtr->items[iCount].rect;
529 width = rect.right - rect.left;
530 if (width == 0) {
531 bNoWidth = TRUE;
532 continue;
533 }
534 if (PtInRect (&rect, *lpPt)) {
535 if (width <= 2 * DIVIDER_WIDTH) {
536 *pFlags |= HHT_ONHEADER;
537 *pItem = iCount;
538 TRACE("ON HEADER %d\n", iCount);
539 return;
540 }
541 if (iCount > 0) {
542 rcTest = rect;
543 rcTest.right = rcTest.left + DIVIDER_WIDTH;
544 if (PtInRect (&rcTest, *lpPt)) {
545 if (bNoWidth) {
546 *pFlags |= HHT_ONDIVOPEN;
547 *pItem = iCount - 1;
548 TRACE("ON DIVOPEN %d\n", *pItem);
549 return;
550 }
551 else {
552 *pFlags |= HHT_ONDIVIDER;
553 *pItem = iCount - 1;
554 TRACE("ON DIVIDER %d\n", *pItem);
555 return;
556 }
557 }
558 }
559 rcTest = rect;
560 rcTest.left = rcTest.right - DIVIDER_WIDTH;
561 if (PtInRect (&rcTest, *lpPt)) {
562 *pFlags |= HHT_ONDIVIDER;
563 *pItem = iCount;
564 TRACE("ON DIVIDER %d\n", *pItem);
565 return;
566 }
567
568 *pFlags |= HHT_ONHEADER;
569 *pItem = iCount;
570 TRACE("ON HEADER %d\n", iCount);
571 return;
572 }
573 }
574
575 /* check for last divider part (on nowhere) */
576 rect = infoPtr->items[infoPtr->uNumItem-1].rect;
577 rect.left = rect.right;
578 rect.right += DIVIDER_WIDTH;
579 if (PtInRect (&rect, *lpPt)) {
580 if (bNoWidth) {
581 *pFlags |= HHT_ONDIVOPEN;
582 *pItem = infoPtr->uNumItem - 1;
583 TRACE("ON DIVOPEN %d\n", *pItem);
584 return;
585 }
586 else {
587 *pFlags |= HHT_ONDIVIDER;
588 *pItem = infoPtr->uNumItem-1;
589 TRACE("ON DIVIDER %d\n", *pItem);
590 return;
591 }
592 }
593
594 *pFlags |= HHT_NOWHERE;
595 *pItem = 1;
596 TRACE("NOWHERE\n");
597 return;
598 }
599 }
600 else {
601 if (lpPt->x < rect.left) {
602 TRACE("TO LEFT\n");
603 *pFlags |= HHT_TOLEFT;
604 }
605 else if (lpPt->x > rect.right) {
606 TRACE("TO RIGHT\n");
607 *pFlags |= HHT_TORIGHT;
608 }
609
610 if (lpPt->y < rect.top) {
611 TRACE("ABOVE\n");
612 *pFlags |= HHT_ABOVE;
613 }
614 else if (lpPt->y > rect.bottom) {
615 TRACE("BELOW\n");
616 *pFlags |= HHT_BELOW;
617 }
618 }
619
620 *pItem = 1;
621 TRACE("flags=0x%X\n", *pFlags);
622 return;
623 }
624
625
626 static void
627 HEADER_DrawTrackLine (HWND hwnd, HDC hdc, INT x)
628 {
629 RECT rect;
630 HPEN hOldPen;
631 INT oldRop;
632
633 GetClientRect (hwnd, &rect);
634
635 hOldPen = SelectObject (hdc, GetStockObject (BLACK_PEN));
636 oldRop = SetROP2 (hdc, R2_XORPEN);
637 MoveToEx (hdc, x, rect.top, NULL);
638 LineTo (hdc, x, rect.bottom);
639 SetROP2 (hdc, oldRop);
640 SelectObject (hdc, hOldPen);
641 }
642
643 /***
644 * DESCRIPTION:
645 * Convert a HDITEM into the correct format (ANSI/Unicode) to send it in a notify
646 *
647 * PARAMETER(S):
648 * [I] infoPtr : the header that wants to send the notify
649 * [O] dest : The buffer to store the HDITEM for notify. It may be set to a HDITEMA of HDITEMW
650 * [I] src : The source HDITEM. It may be a HDITEMA or HDITEMW
651 * [I] fSourceUnicode : is src a HDITEMW or HDITEMA
652 * [O] ppvScratch : a pointer to a scratch buffer that needs to be freed after
653 * the HDITEM is no longer in use or NULL if none was needed
654 *
655 * NOTE: We depend on HDITEMA and HDITEMW having the same structure
656 */
657 static void HEADER_CopyHDItemForNotify(HEADER_INFO *infoPtr, HDITEMW *dest,
658 HDITEMW *src, BOOL fSourceUnicode, LPVOID *ppvScratch)
659 {
660 *ppvScratch = NULL;
661 *dest = *src;
662
663 if (src->mask & HDI_TEXT && src->pszText != LPSTR_TEXTCALLBACKW) /* covers TEXTCALLBACKA as well */
664 {
665 if (fSourceUnicode && infoPtr->nNotifyFormat != NFR_UNICODE)
666 {
667 dest->pszText = NULL;
668 Str_SetPtrWtoA((LPSTR *)&dest->pszText, src->pszText);
669 *ppvScratch = dest->pszText;
670 }
671
672 if (!fSourceUnicode && infoPtr->nNotifyFormat == NFR_UNICODE)
673 {
674 dest->pszText = NULL;
675 Str_SetPtrAtoW(&dest->pszText, (LPSTR)src->pszText);
676 *ppvScratch = dest->pszText;
677 }
678 }
679 }
680
681 static UINT HEADER_NotifyCodeWtoA(UINT code)
682 {
683 /* we use the fact that all the unicode messages are in HDN_FIRST_UNICODE..HDN_LAST*/
684 if (code >= HDN_LAST && code <= HDN_FIRST_UNICODE)
685 return code + HDN_UNICODE_OFFSET;
686 else
687 return code;
688 }
689
690 static BOOL
691 HEADER_SendSimpleNotify (HWND hwnd, UINT code)
692 {
693 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
694 NMHDR nmhdr;
695
696 nmhdr.hwndFrom = hwnd;
697 nmhdr.idFrom = GetWindowLongPtrW (hwnd, GWLP_ID);
698 nmhdr.code = code;
699
700 return (BOOL)SendMessageW (infoPtr->hwndNotify, WM_NOTIFY,
701 (WPARAM)nmhdr.idFrom, (LPARAM)&nmhdr);
702 }
703
704 static BOOL
705 HEADER_SendHeaderNotifyT (HWND hwnd, UINT code, INT iItem, INT mask, HDITEMW *lpItem)
706 {
707 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
708 NMHEADERW nmhdr;
709 HDITEMW nmitem;
710
711 if (lpItem == NULL)
712 {
713 /* lpItem == NULL means that we should take the actual data from the item */
714 if (mask & HDI_TEXT)
715 {
716 FIXME("(): invalid parameters - lpItem == NULL and (mask & HDI_TEXT)\n");
717 mask &= ~HDI_TEXT;
718 }
719 nmitem.mask = mask;
720 nmitem.cxy = infoPtr->items[iItem].cxy;
721 nmitem.hbm = infoPtr->items[iItem].hbm;
722 nmitem.pszText = NULL;
723 nmitem.cchTextMax = 0;
724 nmitem.fmt = infoPtr->items[iItem].fmt;
725 nmitem.lParam = infoPtr->items[iItem].lParam;
726 nmitem.iOrder = infoPtr->items[iItem].iOrder;
727 nmitem.iImage = infoPtr->items[iItem].iImage;
728 lpItem = &nmitem;
729 }
730
731 nmhdr.hdr.hwndFrom = hwnd;
732 nmhdr.hdr.idFrom = GetWindowLongPtrW (hwnd, GWLP_ID);
733 nmhdr.hdr.code = (infoPtr->nNotifyFormat == NFR_UNICODE ? code : HEADER_NotifyCodeWtoA(code));
734 nmhdr.iItem = iItem;
735 nmhdr.iButton = 0;
736 nmhdr.pitem = lpItem;
737
738 return (BOOL)SendMessageW (infoPtr->hwndNotify, WM_NOTIFY,
739 (WPARAM)nmhdr.hdr.idFrom, (LPARAM)&nmhdr);
740 }
741
742 /**
743 * Prepare callback items
744 * depends on NMHDDISPINFOW having same structure as NMHDDISPINFOA
745 * (so we handle the two cases only doing a specific cast for pszText).
746 * Checks if any of the required field are callback. If there are sends a
747 * NMHDISPINFO notify to retrieve these items. The items are stored in the
748 * HEADER_ITEM pszText and iImage fields. They should be freed with
749 * HEADER_FreeCallbackItems.
750 *
751 * @param hwnd : hwnd header container handler
752 * @param iItem : the header item id
753 * @param reqMask : required fields. If any of them is callback this function will fetch it
754 *
755 * @return TRUE on success, else FALSE
756 */
757 static BOOL
758 HEADER_PrepareCallbackItems(HWND hwnd, INT iItem, INT reqMask)
759 {
760 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
761 HEADER_ITEM *lpItem = &infoPtr->items[iItem];
762 DWORD mask = reqMask & lpItem->callbackMask;
763 NMHDDISPINFOW dispInfo;
764 void *pvBuffer = NULL;
765
766 if (mask == 0)
767 return TRUE;
768 if (mask&HDI_TEXT && lpItem->pszText != NULL)
769 {
770 ERR("(): function called without a call to FreeCallbackItems\n");
771 Free(lpItem->pszText);
772 lpItem->pszText = NULL;
773 }
774
775 memset(&dispInfo, 0, sizeof(NMHDDISPINFOW));
776 dispInfo.hdr.hwndFrom = hwnd;
777 dispInfo.hdr.idFrom = GetWindowLongPtrW (hwnd, GWLP_ID);
778 if (infoPtr->nNotifyFormat == NFR_UNICODE)
779 {
780 dispInfo.hdr.code = HDN_GETDISPINFOW;
781 if (mask & HDI_TEXT)
782 pvBuffer = Alloc(MAX_HEADER_TEXT_LEN * sizeof(WCHAR));
783 }
784 else
785 {
786 dispInfo.hdr.code = HDN_GETDISPINFOA;
787 if (mask & HDI_TEXT)
788 pvBuffer = Alloc(MAX_HEADER_TEXT_LEN * sizeof(CHAR));
789 }
790 dispInfo.pszText = (LPWSTR)pvBuffer;
791 dispInfo.cchTextMax = (pvBuffer!=NULL?MAX_HEADER_TEXT_LEN:0);
792 dispInfo.iItem = iItem;
793 dispInfo.mask = mask;
794 dispInfo.lParam = lpItem->lParam;
795
796 TRACE("Sending HDN_GETDISPINFO%c\n", infoPtr->nNotifyFormat == NFR_UNICODE?'W':'A');
797 SendMessageW(infoPtr->hwndNotify, WM_NOTIFY,
798 (WPARAM) dispInfo.hdr.idFrom,
799 (LPARAM) &dispInfo);
800
801 TRACE("SendMessage returns(mask:0x%x,str:%s,lParam:%p)\n",
802 dispInfo.mask,
803 (infoPtr->nNotifyFormat == NFR_UNICODE ? debugstr_w(dispInfo.pszText) : (LPSTR) dispInfo.pszText),
804 (void*) dispInfo.lParam);
805
806 if (mask & HDI_IMAGE)
807 lpItem->iImage = dispInfo.iImage;
808 if (mask & HDI_TEXT)
809 {
810 if (infoPtr->nNotifyFormat == NFR_UNICODE)
811 {
812 lpItem->pszText = (LPWSTR)pvBuffer;
813
814 /* the user might have used his own buffer */
815 if (dispInfo.pszText != lpItem->pszText)
816 Str_GetPtrW(dispInfo.pszText, lpItem->pszText, MAX_HEADER_TEXT_LEN);
817 }
818 else
819 {
820 Str_SetPtrAtoW(&lpItem->pszText, (LPSTR)dispInfo.pszText);
821 Free(pvBuffer);
822 }
823 }
824
825 if (dispInfo.mask & HDI_DI_SETITEM)
826 {
827 /* make the items permanent */
828 lpItem->callbackMask &= ~dispInfo.mask;
829 }
830
831 return TRUE;
832 }
833
834 /***
835 * DESCRIPTION:
836 * Free the items that might be allocated with HEADER_PrepareCallbackItems
837 *
838 * PARAMETER(S):
839 * [I] lpItem : the item to free the data
840 *
841 */
842 static void
843 HEADER_FreeCallbackItems(HEADER_ITEM *lpItem)
844 {
845 if (lpItem->callbackMask&HDI_TEXT && lpItem->pszText != NULL)
846 {
847 Free(lpItem->pszText);
848 lpItem->pszText = NULL;
849 }
850
851 if (lpItem->callbackMask&HDI_IMAGE)
852 lpItem->iImage = I_IMAGECALLBACK;
853 }
854
855 static BOOL
856 HEADER_SendClickNotify (HWND hwnd, UINT code, INT iItem)
857 {
858 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
859 NMHEADERA nmhdr;
860
861 nmhdr.hdr.hwndFrom = hwnd;
862 nmhdr.hdr.idFrom = GetWindowLongPtrW (hwnd, GWLP_ID);
863 nmhdr.hdr.code = code;
864 nmhdr.iItem = iItem;
865 nmhdr.iButton = 0;
866 nmhdr.pitem = NULL;
867
868 return (BOOL)SendMessageA (infoPtr->hwndNotify, WM_NOTIFY,
869 (WPARAM)nmhdr.hdr.idFrom, (LPARAM)&nmhdr);
870 }
871
872
873 static LRESULT
874 HEADER_CreateDragImage (HWND hwnd, WPARAM wParam)
875 {
876 FIXME("empty stub!\n");
877 return 0;
878 }
879
880
881 static LRESULT
882 HEADER_DeleteItem (HWND hwnd, WPARAM wParam)
883 {
884 HEADER_INFO *infoPtr = HEADER_GetInfoPtr(hwnd);
885 INT iItem = (INT)wParam;
886
887 TRACE("[iItem=%d]\n", iItem);
888
889 if ((iItem < 0) || (iItem >= (INT)infoPtr->uNumItem))
890 return FALSE;
891
892 if (infoPtr->uNumItem == 1) {
893 TRACE("Simple delete!\n");
894 HEADER_DisposeItem(&infoPtr->items[0]);
895 Free (infoPtr->items);
896 Free(infoPtr->order);
897 infoPtr->items = 0;
898 infoPtr->order = 0;
899 infoPtr->uNumItem = 0;
900 }
901 else {
902 HEADER_ITEM *oldItems = infoPtr->items;
903 INT i;
904 INT iOrder;
905 TRACE("Complex delete! [iItem=%d]\n", iItem);
906
907 for (i = 0; i < infoPtr->uNumItem; i++)
908 TRACE("%d: order=%d, iOrder=%d, ->iOrder=%d\n", i, infoPtr->order[i], infoPtr->items[i].iOrder, infoPtr->items[infoPtr->order[i]].iOrder);
909 HEADER_DisposeItem(&infoPtr->items[iItem]);
910 iOrder = infoPtr->items[iItem].iOrder;
911
912 infoPtr->uNumItem--;
913 infoPtr->items = Alloc (sizeof (HEADER_ITEM) * infoPtr->uNumItem);
914 /* pre delete copy */
915 if (iItem > 0) {
916 memcpy (&infoPtr->items[0], &oldItems[0],
917 iItem * sizeof(HEADER_ITEM));
918 }
919
920 /* post delete copy */
921 if (iItem < infoPtr->uNumItem) {
922 memcpy (&infoPtr->items[iItem], &oldItems[iItem+1],
923 (infoPtr->uNumItem - iItem) * sizeof(HEADER_ITEM));
924 }
925
926 /* Correct the orders */
927 if (iOrder < infoPtr->uNumItem)
928 {
929 memmove(&infoPtr->order[iOrder], &infoPtr->order[iOrder + 1],
930 (infoPtr->uNumItem - iOrder) * sizeof(INT));
931 for (i = 0; i < infoPtr->uNumItem; i++)
932 {
933 if (infoPtr->order[i] > iItem)
934 infoPtr->order[i]--;
935 if (i >= iOrder)
936 infoPtr->items[infoPtr->order[i]].iOrder = infoPtr->order[i];
937 }
938 }
939
940 for (i = 0; i < infoPtr->uNumItem; i++)
941 TRACE("%d: order=%d, iOrder=%d, ->iOrder=%d\n", i, infoPtr->order[i], infoPtr->items[i].iOrder, infoPtr->items[infoPtr->order[i]].iOrder);
942 Free (oldItems);
943 }
944
945 HEADER_SetItemBounds (hwnd);
946
947 InvalidateRect(hwnd, NULL, FALSE);
948
949 return TRUE;
950 }
951
952
953 static LRESULT
954 HEADER_GetImageList (HWND hwnd)
955 {
956 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
957
958 return (LRESULT)infoPtr->himl;
959 }
960
961
962 static LRESULT
963 HEADER_GetItemT (HWND hwnd, INT nItem, LPHDITEMW phdi, BOOL bUnicode)
964 {
965 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
966 HEADER_ITEM *lpItem;
967 UINT mask = phdi->mask;
968
969 if (!phdi)
970 return FALSE;
971
972 TRACE("[nItem=%d]\n", nItem);
973
974 if (mask == 0)
975 return TRUE;
976 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
977 return FALSE;
978
979 if (mask & HDI_UNKNOWN_FIELDS)
980 {
981 TRACE("mask %x contains unknown fields. Using only comctl32 4.0 fields\n", mask);
982 mask &= HDI_COMCTL32_4_0_FIELDS;
983 }
984
985 lpItem = &infoPtr->items[nItem];
986 HEADER_PrepareCallbackItems(hwnd, nItem, mask);
987
988 if (mask & HDI_BITMAP)
989 phdi->hbm = lpItem->hbm;
990
991 if (mask & HDI_FORMAT)
992 phdi->fmt = lpItem->fmt;
993
994 if (mask & HDI_WIDTH)
995 phdi->cxy = lpItem->cxy;
996
997 if (mask & HDI_LPARAM)
998 phdi->lParam = lpItem->lParam;
999
1000 if (mask & HDI_IMAGE)
1001 phdi->iImage = lpItem->iImage;
1002
1003 if (mask & HDI_ORDER)
1004 phdi->iOrder = lpItem->iOrder;
1005
1006 if (mask & HDI_TEXT)
1007 {
1008 if (bUnicode)
1009 Str_GetPtrW (lpItem->pszText, phdi->pszText, phdi->cchTextMax);
1010 else
1011 Str_GetPtrWtoA (lpItem->pszText, (LPSTR)phdi->pszText, phdi->cchTextMax);
1012 }
1013
1014 HEADER_FreeCallbackItems(lpItem);
1015 return TRUE;
1016 }
1017
1018
1019 inline static LRESULT
1020 HEADER_GetItemCount (HWND hwnd)
1021 {
1022 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1023 return infoPtr->uNumItem;
1024 }
1025
1026
1027 static LRESULT
1028 HEADER_GetItemRect (HWND hwnd, WPARAM wParam, LPARAM lParam)
1029 {
1030 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1031 INT iItem = (INT)wParam;
1032 LPRECT lpRect = (LPRECT)lParam;
1033
1034 if ((iItem < 0) || (iItem >= (INT)infoPtr->uNumItem))
1035 return FALSE;
1036
1037 lpRect->left = infoPtr->items[iItem].rect.left;
1038 lpRect->right = infoPtr->items[iItem].rect.right;
1039 lpRect->top = infoPtr->items[iItem].rect.top;
1040 lpRect->bottom = infoPtr->items[iItem].rect.bottom;
1041
1042 return TRUE;
1043 }
1044
1045
1046 static LRESULT
1047 HEADER_GetOrderArray(HWND hwnd, WPARAM wParam, LPARAM lParam)
1048 {
1049 LPINT order = (LPINT) lParam;
1050 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1051
1052 if ((unsigned int)wParam <infoPtr->uNumItem)
1053 return FALSE;
1054
1055 memcpy(order, infoPtr->order, infoPtr->uNumItem * sizeof(INT));
1056 return TRUE;
1057 }
1058
1059 static LRESULT
1060 HEADER_SetOrderArray(HWND hwnd, WPARAM wParam, LPARAM lParam)
1061 {
1062 int i;
1063 LPINT order = (LPINT) lParam;
1064 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1065 HEADER_ITEM *lpItem;
1066
1067 if ((unsigned int)wParam <infoPtr->uNumItem)
1068 return FALSE;
1069 memcpy(infoPtr->order, order, infoPtr->uNumItem * sizeof(INT));
1070 for (i=0; i<(int)wParam; i++)
1071 {
1072 lpItem = &infoPtr->items[*order++];
1073 lpItem->iOrder=i;
1074 }
1075 infoPtr->bRectsValid=0;
1076 InvalidateRect(hwnd, NULL, FALSE);
1077 return TRUE;
1078 }
1079
1080 inline static LRESULT
1081 HEADER_GetUnicodeFormat (HWND hwnd)
1082 {
1083 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1084 return (infoPtr->nNotifyFormat == NFR_UNICODE);
1085 }
1086
1087
1088 static LRESULT
1089 HEADER_HitTest (HWND hwnd, WPARAM wParam, LPARAM lParam)
1090 {
1091 LPHDHITTESTINFO phti = (LPHDHITTESTINFO)lParam;
1092
1093 HEADER_InternalHitTest (hwnd, &phti->pt, &phti->flags, &phti->iItem);
1094
1095 if (phti->flags == HHT_NOWHERE)
1096 return -1;
1097 else
1098 return phti->iItem;
1099 }
1100
1101
1102 static LRESULT
1103 HEADER_InsertItemT (HWND hwnd, INT nItem, LPHDITEMW phdi, BOOL bUnicode)
1104 {
1105 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1106 HEADER_ITEM *lpItem;
1107 INT iOrder;
1108 UINT i;
1109 UINT copyMask;
1110
1111 if ((phdi == NULL) || (nItem < 0) || (phdi->mask == 0))
1112 return -1;
1113
1114 if (nItem > infoPtr->uNumItem)
1115 nItem = infoPtr->uNumItem;
1116
1117 iOrder = (phdi->mask & HDI_ORDER) ? phdi->iOrder : nItem;
1118 if (iOrder < 0)
1119 iOrder = 0;
1120 else if (infoPtr->uNumItem < iOrder)
1121 iOrder = infoPtr->uNumItem;
1122
1123 if (infoPtr->uNumItem == 0) {
1124 infoPtr->items = Alloc (sizeof (HEADER_ITEM));
1125 infoPtr->order = Alloc(sizeof(INT));
1126 infoPtr->uNumItem++;
1127 }
1128 else {
1129 HEADER_ITEM *oldItems = infoPtr->items;
1130 INT *oldOrder = infoPtr->order;
1131
1132 infoPtr->uNumItem++;
1133 infoPtr->items = Alloc (sizeof (HEADER_ITEM) * infoPtr->uNumItem);
1134 if (nItem == 0) {
1135 memcpy (&infoPtr->items[1], &oldItems[0],
1136 (infoPtr->uNumItem-1) * sizeof(HEADER_ITEM));
1137 }
1138 else
1139 {
1140 /* pre insert copy */
1141 if (nItem > 0) {
1142 memcpy (&infoPtr->items[0], &oldItems[0],
1143 nItem * sizeof(HEADER_ITEM));
1144 }
1145
1146 /* post insert copy */
1147 if (nItem < infoPtr->uNumItem - 1) {
1148 memcpy (&infoPtr->items[nItem+1], &oldItems[nItem],
1149 (infoPtr->uNumItem - nItem - 1) * sizeof(HEADER_ITEM));
1150 }
1151 }
1152
1153 infoPtr->order = Alloc(sizeof(INT) * infoPtr->uNumItem);
1154 memcpy(infoPtr->order, oldOrder, iOrder * sizeof(INT));
1155 infoPtr->order[iOrder] = nItem;
1156 memcpy(&infoPtr->order[iOrder + 1], &oldOrder[iOrder],
1157 (infoPtr->uNumItem - iOrder - 1) * sizeof(INT));
1158
1159 Free (oldItems);
1160 Free(oldOrder);
1161 }
1162
1163 for (i = 0; i < infoPtr->uNumItem; i++)
1164 {
1165 if (i != iOrder && infoPtr->order[i] >= nItem)
1166 infoPtr->order[i]++;
1167 infoPtr->items[infoPtr->order[i]].iOrder = infoPtr->order[i];
1168 }
1169
1170 lpItem = &infoPtr->items[nItem];
1171 ZeroMemory(lpItem, sizeof(HEADER_ITEM));
1172 /* cxy, fmt and lParam are copied even if not in the HDITEM mask */
1173 copyMask = phdi->mask | HDI_WIDTH | HDI_FORMAT | HDI_LPARAM;
1174 HEADER_StoreHDItemInHeader(lpItem, copyMask, phdi, bUnicode);
1175
1176 /* set automatically some format bits */
1177 if (phdi->mask & HDI_TEXT)
1178 lpItem->fmt |= HDF_STRING;
1179 else
1180 lpItem->fmt &= ~HDF_STRING;
1181
1182 if (lpItem->hbm != NULL)
1183 lpItem->fmt |= HDF_BITMAP;
1184 else
1185 lpItem->fmt &= ~HDF_BITMAP;
1186
1187 if (phdi->mask & HDI_IMAGE)
1188 lpItem->fmt |= HDF_IMAGE;
1189
1190 lpItem->iOrder = iOrder;
1191
1192 HEADER_SetItemBounds (hwnd);
1193
1194 InvalidateRect(hwnd, NULL, FALSE);
1195
1196 return nItem;
1197 }
1198
1199
1200 static LRESULT
1201 HEADER_Layout (HWND hwnd, WPARAM wParam, LPARAM lParam)
1202 {
1203 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1204 LPHDLAYOUT lpLayout = (LPHDLAYOUT)lParam;
1205
1206 lpLayout->pwpos->hwnd = hwnd;
1207 lpLayout->pwpos->hwndInsertAfter = 0;
1208 lpLayout->pwpos->x = lpLayout->prc->left;
1209 lpLayout->pwpos->y = lpLayout->prc->top;
1210 lpLayout->pwpos->cx = lpLayout->prc->right - lpLayout->prc->left;
1211 if (GetWindowLongW (hwnd, GWL_STYLE) & HDS_HIDDEN)
1212 lpLayout->pwpos->cy = 0;
1213 else {
1214 lpLayout->pwpos->cy = infoPtr->nHeight;
1215 lpLayout->prc->top += infoPtr->nHeight;
1216 }
1217 lpLayout->pwpos->flags = SWP_NOZORDER;
1218
1219 TRACE("Layout x=%d y=%d cx=%d cy=%d\n",
1220 lpLayout->pwpos->x, lpLayout->pwpos->y,
1221 lpLayout->pwpos->cx, lpLayout->pwpos->cy);
1222
1223 infoPtr->bRectsValid = FALSE;
1224
1225 return TRUE;
1226 }
1227
1228
1229 static LRESULT
1230 HEADER_SetImageList (HWND hwnd, HIMAGELIST himl)
1231 {
1232 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1233 HIMAGELIST himlOld;
1234
1235 TRACE("(himl %p)\n", himl);
1236 himlOld = infoPtr->himl;
1237 infoPtr->himl = himl;
1238
1239 /* FIXME: Refresh needed??? */
1240
1241 return (LRESULT)himlOld;
1242 }
1243
1244
1245 static LRESULT
1246 HEADER_GetBitmapMargin(HWND hwnd)
1247 {
1248 HEADER_INFO *infoPtr = HEADER_GetInfoPtr(hwnd);
1249
1250 return infoPtr->iMargin;
1251 }
1252
1253 static LRESULT
1254 HEADER_SetBitmapMargin(HWND hwnd, WPARAM wParam)
1255 {
1256 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1257 INT oldMargin = infoPtr->iMargin;
1258
1259 infoPtr->iMargin = (INT)wParam;
1260
1261 return oldMargin;
1262 }
1263
1264 static LRESULT
1265 HEADER_SetItemT (HWND hwnd, INT nItem, LPHDITEMW phdi, BOOL bUnicode)
1266 {
1267 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1268 HEADER_ITEM *lpItem;
1269 HDITEMW hdNotify;
1270 void *pvScratch;
1271
1272 if (phdi == NULL)
1273 return FALSE;
1274 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
1275 return FALSE;
1276
1277 TRACE("[nItem=%d]\n", nItem);
1278
1279 HEADER_CopyHDItemForNotify(infoPtr, &hdNotify, phdi, bUnicode, &pvScratch);
1280 if (HEADER_SendHeaderNotifyT (hwnd, HDN_ITEMCHANGINGW, nItem, phdi->mask, &hdNotify))
1281 {
1282 if (pvScratch) Free(pvScratch);
1283 return FALSE;
1284 }
1285
1286 lpItem = &infoPtr->items[nItem];
1287 HEADER_StoreHDItemInHeader(lpItem, phdi->mask, phdi, bUnicode);
1288
1289 if (phdi->mask & HDI_ORDER)
1290 {
1291 INT i, nMin, nMax;
1292
1293 if (lpItem->iOrder < phdi->iOrder)
1294 {
1295 memmove(&infoPtr->order[lpItem->iOrder],
1296 &infoPtr->order[lpItem->iOrder + 1],
1297 (phdi->iOrder - lpItem->iOrder) * sizeof(INT));
1298 }
1299 if (phdi->iOrder < lpItem->iOrder)
1300 {
1301 memmove(&infoPtr->order[phdi->iOrder + 1],
1302 &infoPtr->order[phdi->iOrder],
1303 (lpItem->iOrder - phdi->iOrder) * sizeof(INT));
1304 }
1305 infoPtr->order[phdi->iOrder] = nItem;
1306 nMin = min(lpItem->iOrder, phdi->iOrder);
1307 nMax = max(lpItem->iOrder, phdi->iOrder);
1308 for (i = nMin; i <= nMax; i++)
1309 {
1310 infoPtr->items[infoPtr->order[i]].iOrder = infoPtr->order[i];
1311 }
1312 }
1313
1314 HEADER_SendHeaderNotifyT (hwnd, HDN_ITEMCHANGEDW, nItem, phdi->mask, &hdNotify);
1315
1316 HEADER_SetItemBounds (hwnd);
1317
1318 InvalidateRect(hwnd, NULL, FALSE);
1319
1320 if (pvScratch != NULL)
1321 Free(pvScratch);
1322 return TRUE;
1323 }
1324
1325 inline static LRESULT
1326 HEADER_SetUnicodeFormat (HWND hwnd, WPARAM wParam)
1327 {
1328 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1329 BOOL bTemp = (infoPtr->nNotifyFormat == NFR_UNICODE);
1330
1331 infoPtr->nNotifyFormat = ((BOOL)wParam ? NFR_UNICODE : NFR_ANSI);
1332
1333 return bTemp;
1334 }
1335
1336
1337 static LRESULT
1338 HEADER_Create (HWND hwnd, WPARAM wParam, LPARAM lParam)
1339 {
1340 HEADER_INFO *infoPtr;
1341 TEXTMETRICW tm;
1342 HFONT hOldFont;
1343 HDC hdc;
1344
1345 infoPtr = (HEADER_INFO *)Alloc (sizeof(HEADER_INFO));
1346 SetWindowLongPtrW (hwnd, 0, (DWORD_PTR)infoPtr);
1347
1348 infoPtr->hwndNotify = ((LPCREATESTRUCTA)lParam)->hwndParent;
1349 infoPtr->uNumItem = 0;
1350 infoPtr->hFont = 0;
1351 infoPtr->items = 0;
1352 infoPtr->order = 0;
1353 infoPtr->bRectsValid = FALSE;
1354 infoPtr->hcurArrow = LoadCursorW (0, (LPWSTR)IDC_ARROW);
1355 infoPtr->hcurDivider = LoadCursorW (COMCTL32_hModule, MAKEINTRESOURCEW(IDC_DIVIDER));
1356 infoPtr->hcurDivopen = LoadCursorW (COMCTL32_hModule, MAKEINTRESOURCEW(IDC_DIVIDEROPEN));
1357 infoPtr->bPressed = FALSE;
1358 infoPtr->bTracking = FALSE;
1359 infoPtr->iMoveItem = 0;
1360 infoPtr->himl = 0;
1361 infoPtr->iHotItem = -1;
1362 infoPtr->iMargin = 3*GetSystemMetrics(SM_CXEDGE);
1363 infoPtr->nNotifyFormat =
1364 SendMessageW (infoPtr->hwndNotify, WM_NOTIFYFORMAT, (WPARAM)hwnd, NF_QUERY);
1365
1366 hdc = GetDC (0);
1367 hOldFont = SelectObject (hdc, GetStockObject (SYSTEM_FONT));
1368 GetTextMetricsW (hdc, &tm);
1369 infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
1370 SelectObject (hdc, hOldFont);
1371 ReleaseDC (0, hdc);
1372
1373 OpenThemeData(hwnd, themeClass);
1374
1375 return 0;
1376 }
1377
1378
1379 static LRESULT
1380 HEADER_Destroy (HWND hwnd, WPARAM wParam, LPARAM lParam)
1381 {
1382 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1383 HEADER_ITEM *lpItem;
1384 INT nItem;
1385 HTHEME theme;
1386
1387 if (infoPtr->items) {
1388 lpItem = infoPtr->items;
1389 for (nItem = 0; nItem < infoPtr->uNumItem; nItem++, lpItem++) {
1390 HEADER_DisposeItem(lpItem);
1391 }
1392 Free (infoPtr->items);
1393 }
1394
1395 if (infoPtr->order)
1396 Free(infoPtr->order);
1397
1398 if (infoPtr->himl)
1399 ImageList_Destroy (infoPtr->himl);
1400
1401 SetWindowLongPtrW (hwnd, 0, 0);
1402 Free (infoPtr);
1403
1404 theme = GetWindowTheme(hwnd);
1405 CloseThemeData(theme);
1406 return 0;
1407 }
1408
1409
1410 static inline LRESULT
1411 HEADER_GetFont (HWND hwnd)
1412 {
1413 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1414
1415 return (LRESULT)infoPtr->hFont;
1416 }
1417
1418
1419 static LRESULT
1420 HEADER_LButtonDblClk (HWND hwnd, WPARAM wParam, LPARAM lParam)
1421 {
1422 POINT pt;
1423 UINT flags;
1424 INT nItem;
1425
1426 pt.x = (INT)LOWORD(lParam);
1427 pt.y = (INT)HIWORD(lParam);
1428 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1429
1430 if ((GetWindowLongW (hwnd, GWL_STYLE) & HDS_BUTTONS) && (flags == HHT_ONHEADER))
1431 HEADER_SendHeaderNotifyT (hwnd, HDN_ITEMDBLCLICKW, nItem, 0, NULL);
1432 else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN))
1433 HEADER_SendHeaderNotifyT (hwnd, HDN_DIVIDERDBLCLICKW, nItem, 0, NULL);
1434
1435 return 0;
1436 }
1437
1438
1439 static LRESULT
1440 HEADER_LButtonDown (HWND hwnd, WPARAM wParam, LPARAM lParam)
1441 {
1442 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1443 DWORD dwStyle = GetWindowLongW (hwnd, GWL_STYLE);
1444 POINT pt;
1445 UINT flags;
1446 INT nItem;
1447 HDC hdc;
1448
1449 pt.x = (INT)LOWORD(lParam);
1450 pt.y = (INT)HIWORD(lParam);
1451 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1452
1453 if ((dwStyle & HDS_BUTTONS) && (flags == HHT_ONHEADER)) {
1454 SetCapture (hwnd);
1455 infoPtr->bCaptured = TRUE;
1456 infoPtr->bPressed = TRUE;
1457 infoPtr->iMoveItem = nItem;
1458
1459 infoPtr->items[nItem].bDown = TRUE;
1460
1461 /* Send WM_CUSTOMDRAW */
1462 hdc = GetDC (hwnd);
1463 HEADER_RefreshItem (hwnd, hdc, nItem);
1464 ReleaseDC (hwnd, hdc);
1465
1466 TRACE("Pressed item %d!\n", nItem);
1467 }
1468 else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN)) {
1469 if (!(HEADER_SendHeaderNotifyT (hwnd, HDN_BEGINTRACKW, nItem, HDI_WIDTH, NULL))) {
1470 SetCapture (hwnd);
1471 infoPtr->bCaptured = TRUE;
1472 infoPtr->bTracking = TRUE;
1473 infoPtr->iMoveItem = nItem;
1474 infoPtr->nOldWidth = infoPtr->items[nItem].cxy;
1475 infoPtr->xTrackOffset = infoPtr->items[nItem].rect.right - pt.x;
1476
1477 if (!(dwStyle & HDS_FULLDRAG)) {
1478 infoPtr->xOldTrack = infoPtr->items[nItem].rect.right;
1479 hdc = GetDC (hwnd);
1480 HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
1481 ReleaseDC (hwnd, hdc);
1482 }
1483
1484 TRACE("Begin tracking item %d!\n", nItem);
1485 }
1486 }
1487
1488 return 0;
1489 }
1490
1491
1492 static LRESULT
1493 HEADER_LButtonUp (HWND hwnd, WPARAM wParam, LPARAM lParam)
1494 {
1495 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1496 DWORD dwStyle = GetWindowLongW (hwnd, GWL_STYLE);
1497 POINT pt;
1498 UINT flags;
1499 INT nItem, nWidth;
1500 HDC hdc;
1501
1502 pt.x = (INT)(SHORT)LOWORD(lParam);
1503 pt.y = (INT)(SHORT)HIWORD(lParam);
1504 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1505
1506 if (infoPtr->bPressed) {
1507 if ((nItem == infoPtr->iMoveItem) && (flags == HHT_ONHEADER)) {
1508 infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
1509 hdc = GetDC (hwnd);
1510 HEADER_RefreshItem (hwnd, hdc, infoPtr->iMoveItem);
1511 ReleaseDC (hwnd, hdc);
1512
1513 HEADER_SendClickNotify (hwnd, HDN_ITEMCLICKA, infoPtr->iMoveItem);
1514 }
1515 else if (flags == HHT_ONHEADER)
1516 {
1517 HEADER_ITEM *lpItem;
1518 INT newindex = HEADER_IndexToOrder(hwnd,nItem);
1519 INT oldindex = HEADER_IndexToOrder(hwnd,infoPtr->iMoveItem);
1520
1521 TRACE("Exchanging [index:order] [%d:%d] [%d:%d]\n",
1522 infoPtr->iMoveItem,oldindex,nItem,newindex);
1523 lpItem= &infoPtr->items[nItem];
1524 lpItem->iOrder=oldindex;
1525
1526 lpItem= &infoPtr->items[infoPtr->iMoveItem];
1527 lpItem->iOrder = newindex;
1528
1529 infoPtr->order[oldindex] = nItem;
1530 infoPtr->order[newindex] = infoPtr->iMoveItem;
1531
1532 infoPtr->bRectsValid = FALSE;
1533 InvalidateRect(hwnd, NULL, FALSE);
1534 /* FIXME: Should some WM_NOTIFY be sent */
1535 }
1536
1537 TRACE("Released item %d!\n", infoPtr->iMoveItem);
1538 infoPtr->bPressed = FALSE;
1539 }
1540 else if (infoPtr->bTracking) {
1541 TRACE("End tracking item %d!\n", infoPtr->iMoveItem);
1542 infoPtr->bTracking = FALSE;
1543
1544 HEADER_SendHeaderNotifyT (hwnd, HDN_ENDTRACKW, infoPtr->iMoveItem, HDI_WIDTH, NULL);
1545
1546 if (!(dwStyle & HDS_FULLDRAG)) {
1547 hdc = GetDC (hwnd);
1548 HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
1549 ReleaseDC (hwnd, hdc);
1550 }
1551
1552 if (HEADER_SendHeaderNotifyT(hwnd, HDN_ITEMCHANGINGW, infoPtr->iMoveItem, HDI_WIDTH, NULL))
1553 {
1554 infoPtr->items[infoPtr->iMoveItem].cxy = infoPtr->nOldWidth;
1555 }
1556 else {
1557 nWidth = pt.x - infoPtr->items[infoPtr->iMoveItem].rect.left + infoPtr->xTrackOffset;
1558 if (nWidth < 0)
1559 nWidth = 0;
1560 infoPtr->items[infoPtr->iMoveItem].cxy = nWidth;
1561 }
1562
1563 HEADER_SetItemBounds (hwnd);
1564 InvalidateRect(hwnd, NULL, TRUE);
1565 HEADER_SendHeaderNotifyT(hwnd, HDN_ITEMCHANGEDW, infoPtr->iMoveItem, HDI_WIDTH, NULL);
1566 }
1567
1568 if (infoPtr->bCaptured) {
1569 infoPtr->bCaptured = FALSE;
1570 ReleaseCapture ();
1571 HEADER_SendSimpleNotify (hwnd, NM_RELEASEDCAPTURE);
1572 }
1573
1574 return 0;
1575 }
1576
1577
1578 static LRESULT
1579 HEADER_NotifyFormat (HWND hwnd, WPARAM wParam, LPARAM lParam)
1580 {
1581 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1582
1583 switch (lParam)
1584 {
1585 case NF_QUERY:
1586 return infoPtr->nNotifyFormat;
1587
1588 case NF_REQUERY:
1589 infoPtr->nNotifyFormat =
1590 SendMessageW ((HWND)wParam, WM_NOTIFYFORMAT,
1591 (WPARAM)hwnd, (LPARAM)NF_QUERY);
1592 return infoPtr->nNotifyFormat;
1593 }
1594
1595 return 0;
1596 }
1597
1598
1599 static LRESULT
1600 HEADER_MouseLeave (HWND hwnd, WPARAM wParam, LPARAM lParam)
1601 {
1602 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1603 /* Reset hot-tracked item when mouse leaves control. */
1604 INT oldHotItem = infoPtr->iHotItem;
1605 HDC hdc = GetDC (hwnd);
1606
1607 infoPtr->iHotItem = -1;
1608 if (oldHotItem != -1) HEADER_RefreshItem (hwnd, hdc, oldHotItem);
1609 ReleaseDC (hwnd, hdc);
1610
1611 return 0;
1612 }
1613
1614
1615 static LRESULT
1616 HEADER_MouseMove (HWND hwnd, WPARAM wParam, LPARAM lParam)
1617 {
1618 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1619 DWORD dwStyle = GetWindowLongW (hwnd, GWL_STYLE);
1620 POINT pt;
1621 UINT flags;
1622 INT nItem, nWidth;
1623 HDC hdc;
1624 /* With theming, hottracking is always enabled */
1625 BOOL hotTrackEnabled =
1626 ((dwStyle & HDS_BUTTONS) && (dwStyle & HDS_HOTTRACK))
1627 || (GetWindowTheme (hwnd) != NULL);
1628 INT oldHotItem = infoPtr->iHotItem;
1629
1630 pt.x = (INT)(SHORT)LOWORD(lParam);
1631 pt.y = (INT)(SHORT)HIWORD(lParam);
1632 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1633
1634 if (hotTrackEnabled) {
1635 if (flags & (HHT_ONHEADER | HHT_ONDIVIDER | HHT_ONDIVOPEN))
1636 infoPtr->iHotItem = nItem;
1637 else
1638 infoPtr->iHotItem = -1;
1639 }
1640
1641 if (infoPtr->bCaptured) {
1642 if (infoPtr->bPressed) {
1643 BOOL oldState = infoPtr->items[infoPtr->iMoveItem].bDown;
1644 if ((nItem == infoPtr->iMoveItem) && (flags == HHT_ONHEADER))
1645 infoPtr->items[infoPtr->iMoveItem].bDown = TRUE;
1646 else
1647 infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
1648 if (oldState != infoPtr->items[infoPtr->iMoveItem].bDown) {
1649 hdc = GetDC (hwnd);
1650 HEADER_RefreshItem (hwnd, hdc, infoPtr->iMoveItem);
1651 ReleaseDC (hwnd, hdc);
1652 }
1653
1654 TRACE("Moving pressed item %d!\n", infoPtr->iMoveItem);
1655 }
1656 else if (infoPtr->bTracking) {
1657 if (dwStyle & HDS_FULLDRAG) {
1658 if (!HEADER_SendHeaderNotifyT (hwnd, HDN_ITEMCHANGINGW, infoPtr->iMoveItem, HDI_WIDTH, NULL))
1659 {
1660 nWidth = pt.x - infoPtr->items[infoPtr->iMoveItem].rect.left + infoPtr->xTrackOffset;
1661 if (nWidth < 0)
1662 nWidth = 0;
1663 infoPtr->items[infoPtr->iMoveItem].cxy = nWidth;
1664 HEADER_SendHeaderNotifyT(hwnd, HDN_ITEMCHANGEDW, infoPtr->iMoveItem, HDI_WIDTH, NULL);
1665 }
1666 HEADER_SetItemBounds (hwnd);
1667 InvalidateRect(hwnd, NULL, FALSE);
1668 }
1669 else {
1670 hdc = GetDC (hwnd);
1671 HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
1672 infoPtr->xOldTrack = pt.x + infoPtr->xTrackOffset;
1673 if (infoPtr->xOldTrack < infoPtr->items[infoPtr->iMoveItem].rect.left)
1674 infoPtr->xOldTrack = infoPtr->items[infoPtr->iMoveItem].rect.left;
1675 infoPtr->items[infoPtr->iMoveItem].cxy =
1676 infoPtr->xOldTrack - infoPtr->items[infoPtr->iMoveItem].rect.left;
1677 HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
1678 ReleaseDC (hwnd, hdc);
1679 HEADER_SendHeaderNotifyT (hwnd, HDN_TRACKW, infoPtr->iMoveItem, HDI_WIDTH, NULL);
1680 }
1681
1682 TRACE("Tracking item %d!\n", infoPtr->iMoveItem);
1683 }
1684 }
1685
1686 if (hotTrackEnabled) {
1687 TRACKMOUSEEVENT tme;
1688 if (oldHotItem != infoPtr->iHotItem) {
1689 hdc = GetDC (hwnd);
1690 if (oldHotItem != -1) HEADER_RefreshItem (hwnd, hdc, oldHotItem);
1691 if (infoPtr->iHotItem != -1) HEADER_RefreshItem (hwnd, hdc, infoPtr->iHotItem);
1692 ReleaseDC (hwnd, hdc);
1693 }
1694 tme.cbSize = sizeof( tme );
1695 tme.dwFlags = TME_LEAVE;
1696 tme.hwndTrack = hwnd;
1697 TrackMouseEvent( &tme );
1698 }
1699
1700 return 0;
1701 }
1702
1703
1704 static LRESULT
1705 HEADER_Paint (HWND hwnd, WPARAM wParam)
1706 {
1707 HDC hdc;
1708 PAINTSTRUCT ps;
1709
1710 hdc = wParam==0 ? BeginPaint (hwnd, &ps) : (HDC)wParam;
1711 HEADER_Refresh (hwnd, hdc);
1712 if(!wParam)
1713 EndPaint (hwnd, &ps);
1714 return 0;
1715 }
1716
1717
1718 static LRESULT
1719 HEADER_RButtonUp (HWND hwnd, WPARAM wParam, LPARAM lParam)
1720 {
1721 BOOL bRet;
1722 POINT pt;
1723
1724 pt.x = LOWORD(lParam);
1725 pt.y = HIWORD(lParam);
1726
1727 /* Send a Notify message */
1728 bRet = HEADER_SendSimpleNotify (hwnd, NM_RCLICK);
1729
1730 /* Change to screen coordinate for WM_CONTEXTMENU */
1731 ClientToScreen(hwnd, &pt);
1732
1733 /* Send a WM_CONTEXTMENU message in response to the RBUTTONUP */
1734 SendMessageW( hwnd, WM_CONTEXTMENU, (WPARAM) hwnd, MAKELPARAM(pt.x, pt.y));
1735
1736 return bRet;
1737 }
1738
1739
1740 static LRESULT
1741 HEADER_SetCursor (HWND hwnd, WPARAM wParam, LPARAM lParam)
1742 {
1743 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1744 POINT pt;
1745 UINT flags;
1746 INT nItem;
1747
1748 TRACE("code=0x%X id=0x%X\n", LOWORD(lParam), HIWORD(lParam));
1749
1750 GetCursorPos (&pt);
1751 ScreenToClient (hwnd, &pt);
1752
1753 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1754
1755 if (flags == HHT_ONDIVIDER)
1756 SetCursor (infoPtr->hcurDivider);
1757 else if (flags == HHT_ONDIVOPEN)
1758 SetCursor (infoPtr->hcurDivopen);
1759 else
1760 SetCursor (infoPtr->hcurArrow);
1761
1762 return 0;
1763 }
1764
1765
1766 static LRESULT
1767 HEADER_SetFont (HWND hwnd, WPARAM wParam, LPARAM lParam)
1768 {
1769 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1770 TEXTMETRICW tm;
1771 HFONT hFont, hOldFont;
1772 HDC hdc;
1773
1774 infoPtr->hFont = (HFONT)wParam;
1775
1776 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT);
1777
1778 hdc = GetDC (0);
1779 hOldFont = SelectObject (hdc, hFont);
1780 GetTextMetricsW (hdc, &tm);
1781 infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
1782 SelectObject (hdc, hOldFont);
1783 ReleaseDC (0, hdc);
1784
1785 infoPtr->bRectsValid = FALSE;
1786
1787 if (lParam) {
1788 InvalidateRect(hwnd, NULL, FALSE);
1789 }
1790
1791 return 0;
1792 }
1793
1794 /* Update the theme handle after a theme change */
1795 static LRESULT HEADER_ThemeChanged(HWND hwnd)
1796 {
1797 HTHEME theme = GetWindowTheme(hwnd);
1798 CloseThemeData(theme);
1799 OpenThemeData(hwnd, themeClass);
1800 InvalidateRect(hwnd, NULL, FALSE);
1801 return 0;
1802 }
1803
1804
1805 static LRESULT WINAPI
1806 HEADER_WindowProc (HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
1807 {
1808 TRACE("hwnd=%p msg=%x wparam=%x lParam=%lx\n", hwnd, msg, wParam, lParam);
1809 if (!HEADER_GetInfoPtr (hwnd) && (msg != WM_CREATE))
1810 return DefWindowProcW (hwnd, msg, wParam, lParam);
1811 switch (msg) {
1812 /* case HDM_CLEARFILTER: */
1813
1814 case HDM_CREATEDRAGIMAGE:
1815 return HEADER_CreateDragImage (hwnd, wParam);
1816
1817 case HDM_DELETEITEM:
1818 return HEADER_DeleteItem (hwnd, wParam);
1819
1820 /* case HDM_EDITFILTER: */
1821
1822 case HDM_GETBITMAPMARGIN:
1823 return HEADER_GetBitmapMargin(hwnd);
1824
1825 case HDM_GETIMAGELIST:
1826 return HEADER_GetImageList (hwnd);
1827
1828 case HDM_GETITEMA:
1829 case HDM_GETITEMW:
1830 return HEADER_GetItemT (hwnd, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_GETITEMW);
1831
1832 case HDM_GETITEMCOUNT:
1833 return HEADER_GetItemCount (hwnd);
1834
1835 case HDM_GETITEMRECT:
1836 return HEADER_GetItemRect (hwnd, wParam, lParam);
1837
1838 case HDM_GETORDERARRAY:
1839 return HEADER_GetOrderArray(hwnd, wParam, lParam);
1840
1841 case HDM_GETUNICODEFORMAT:
1842 return HEADER_GetUnicodeFormat (hwnd);
1843
1844 case HDM_HITTEST:
1845 return HEADER_HitTest (hwnd, wParam, lParam);
1846
1847 case HDM_INSERTITEMA:
1848 case HDM_INSERTITEMW:
1849 return HEADER_InsertItemT (hwnd, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_INSERTITEMW);
1850
1851 case HDM_LAYOUT:
1852 return HEADER_Layout (hwnd, wParam, lParam);
1853
1854 case HDM_ORDERTOINDEX:
1855 return HEADER_OrderToIndex(hwnd, wParam);
1856
1857 case HDM_SETBITMAPMARGIN:
1858 return HEADER_SetBitmapMargin(hwnd, wParam);
1859
1860 /* case HDM_SETFILTERCHANGETIMEOUT: */
1861
1862 /* case HDM_SETHOTDIVIDER: */
1863
1864 case HDM_SETIMAGELIST:
1865 return HEADER_SetImageList (hwnd, (HIMAGELIST)lParam);
1866
1867 case HDM_SETITEMA:
1868 case HDM_SETITEMW:
1869 return HEADER_SetItemT (hwnd, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_SETITEMW);
1870
1871 case HDM_SETORDERARRAY:
1872 return HEADER_SetOrderArray(hwnd, wParam, lParam);
1873
1874 case HDM_SETUNICODEFORMAT:
1875 return HEADER_SetUnicodeFormat (hwnd, wParam);
1876
1877 case WM_CREATE:
1878 return HEADER_Create (hwnd, wParam, lParam);
1879
1880 case WM_DESTROY:
1881 return HEADER_Destroy (hwnd, wParam, lParam);
1882
1883 case WM_ERASEBKGND:
1884 return 1;
1885
1886 case WM_GETDLGCODE:
1887 return DLGC_WANTTAB | DLGC_WANTARROWS;
1888
1889 case WM_GETFONT:
1890 return HEADER_GetFont (hwnd);
1891
1892 case WM_LBUTTONDBLCLK:
1893 return HEADER_LButtonDblClk (hwnd, wParam, lParam);
1894
1895 case WM_LBUTTONDOWN:
1896 return HEADER_LButtonDown (hwnd, wParam, lParam);
1897
1898 case WM_LBUTTONUP:
1899 return HEADER_LButtonUp (hwnd, wParam, lParam);
1900
1901 case WM_MOUSELEAVE:
1902 return HEADER_MouseLeave (hwnd, wParam, lParam);
1903
1904 case WM_MOUSEMOVE:
1905 return HEADER_MouseMove (hwnd, wParam, lParam);
1906
1907 case WM_NOTIFYFORMAT:
1908 return HEADER_NotifyFormat (hwnd, wParam, lParam);
1909
1910 case WM_SIZE:
1911 return HEADER_Size (hwnd, wParam);
1912
1913 case WM_THEMECHANGED:
1914 return HEADER_ThemeChanged (hwnd);
1915
1916 case WM_PRINTCLIENT:
1917 case WM_PAINT:
1918 return HEADER_Paint (hwnd, wParam);
1919
1920 case WM_RBUTTONUP:
1921 return HEADER_RButtonUp (hwnd, wParam, lParam);
1922
1923 case WM_SETCURSOR:
1924 return HEADER_SetCursor (hwnd, wParam, lParam);
1925
1926 case WM_SETFONT:
1927 return HEADER_SetFont (hwnd, wParam, lParam);
1928
1929 default:
1930 if ((msg >= WM_USER) && (msg < WM_APP))
1931 ERR("unknown msg %04x wp=%04x lp=%08lx\n",
1932 msg, wParam, lParam );
1933 return DefWindowProcA (hwnd, msg, wParam, lParam);
1934 }
1935 }
1936
1937
1938 VOID
1939 HEADER_Register (void)
1940 {
1941 WNDCLASSW wndClass;
1942
1943 ZeroMemory (&wndClass, sizeof(WNDCLASSW));
1944 wndClass.style = CS_GLOBALCLASS | CS_DBLCLKS;
1945 wndClass.lpfnWndProc = HEADER_WindowProc;
1946 wndClass.cbClsExtra = 0;
1947 wndClass.cbWndExtra = sizeof(HEADER_INFO *);
1948 wndClass.hCursor = LoadCursorW (0, (LPWSTR)IDC_ARROW);
1949 wndClass.lpszClassName = WC_HEADERW;
1950
1951 RegisterClassW (&wndClass);
1952 }
1953
1954
1955 VOID
1956 HEADER_Unregister (void)
1957 {
1958 UnregisterClassW (WC_HEADERW, NULL);
1959 }
Windows API implementation