4 * Copyright 1998 Eric Kohl
5 * Copyright 2000 Eric Kohl for CodeWeavers
6 * Copyright 2003 Maxime Bellenge
7 * Copyright 2006 Mikolaj Zalewski
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
24 * - Imagelist support (completed?)
25 * - Hottrack support (completed?)
26 * - Filters support (HDS_FILTER, HDI_FILTER, HDM_*FILTER*, HDN_*FILTER*)
27 * - New Windows Vista features
36 #include "wine/unicode.h"
42 #include "imagelist.h"
45 #include "wine/debug.h"
47 WINE_DEFAULT_DEBUG_CHANNEL(header);
57 INT iOrder; /* see documentation of HD_ITEM */
59 BOOL bDown; /* is item pressed? (used for drawing) */
60 RECT rect; /* bounding rectangle of the item */
61 DWORD callbackMask; /* HDI_* flags for items that are callback */
67 HWND hwndSelf; /* Control window */
68 HWND hwndNotify; /* Owner window to send notifications to */
69 INT nNotifyFormat; /* format used for WM_NOTIFY messages */
70 UINT uNumItem; /* number of items (columns) */
71 INT nHeight; /* height of the header (pixels) */
72 HFONT hFont; /* handle to the current font */
73 HCURSOR hcurArrow; /* handle to the arrow cursor */
74 HCURSOR hcurDivider; /* handle to a cursor (used over dividers) <-|-> */
75 HCURSOR hcurDivopen; /* handle to a cursor (used over dividers) <-||-> */
76 BOOL bCaptured; /* Is the mouse captured? */
77 BOOL bPressed; /* Is a header item pressed (down)? */
78 BOOL bDragging; /* Are we dragging an item? */
79 BOOL bTracking; /* Is in tracking mode? */
80 POINT ptLButtonDown; /* The point where the left button was pressed */
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 iHotItem; /* index of hot item (cursor is over this item) */
85 INT iHotDivider; /* index of the hot divider (used while dragging an item or by HDM_SETHOTDIVIDER) */
86 INT iMargin; /* width of the margin that surrounds a bitmap */
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 */
96 #define DIVIDER_WIDTH 10
97 #define HOT_DIVIDER_WIDTH 2
98 #define MAX_HEADER_TEXT_LEN 260
99 #define HDN_UNICODE_OFFSET 20
100 #define HDN_FIRST_UNICODE (HDN_FIRST-HDN_UNICODE_OFFSET)
102 #define HDI_SUPPORTED_FIELDS (HDI_WIDTH|HDI_TEXT|HDI_FORMAT|HDI_LPARAM|HDI_BITMAP|HDI_IMAGE|HDI_ORDER)
103 #define HDI_UNSUPPORTED_FIELDS (HDI_FILTER)
104 #define HDI_UNKNOWN_FIELDS (~(HDI_SUPPORTED_FIELDS|HDI_UNSUPPORTED_FIELDS|HDI_DI_SETITEM))
105 #define HDI_COMCTL32_4_0_FIELDS (HDI_WIDTH|HDI_TEXT|HDI_FORMAT|HDI_LPARAM|HDI_BITMAP)
108 static BOOL HEADER_PrepareCallbackItems(const HEADER_INFO *infoPtr, INT iItem, INT reqMask);
109 static void HEADER_FreeCallbackItems(HEADER_ITEM *lpItem);
110 static LRESULT HEADER_SendNotify(const HEADER_INFO *infoPtr, UINT code, NMHDR *hdr);
111 static LRESULT HEADER_SendCtrlCustomDraw(const HEADER_INFO *infoPtr, DWORD dwDrawStage, HDC hdc, const RECT *rect);
113 static const WCHAR themeClass[] = {'H','e','a','d','e','r',0};
115 static void HEADER_StoreHDItemInHeader(HEADER_ITEM *lpItem, UINT mask, const HDITEMW *phdi, BOOL fUnicode)
117 if (mask & HDI_UNSUPPORTED_FIELDS)
118 FIXME("unsupported header fields %x\n", (mask & HDI_UNSUPPORTED_FIELDS));
120 if (mask & HDI_BITMAP)
121 lpItem->hbm = phdi->hbm;
123 if (mask & HDI_FORMAT)
124 lpItem->fmt = phdi->fmt;
126 if (mask & HDI_LPARAM)
127 lpItem->lParam = phdi->lParam;
129 if (mask & HDI_WIDTH)
130 lpItem->cxy = phdi->cxy;
132 if (mask & HDI_IMAGE)
134 lpItem->iImage = phdi->iImage;
135 if (phdi->iImage == I_IMAGECALLBACK)
136 lpItem->callbackMask |= HDI_IMAGE;
138 lpItem->callbackMask &= ~HDI_IMAGE;
143 Free(lpItem->pszText);
144 lpItem->pszText = NULL;
146 if (phdi->pszText != LPSTR_TEXTCALLBACKW) /* covers != TEXTCALLBACKA too */
148 static const WCHAR emptyString[] = {0};
150 LPCWSTR pszText = (phdi->pszText != NULL ? phdi->pszText : emptyString);
152 Str_SetPtrW(&lpItem->pszText, pszText);
154 Str_SetPtrAtoW(&lpItem->pszText, (LPCSTR)pszText);
155 lpItem->callbackMask &= ~HDI_TEXT;
159 lpItem->pszText = NULL;
160 lpItem->callbackMask |= HDI_TEXT;
165 static inline LRESULT
166 HEADER_IndexToOrder (const HEADER_INFO *infoPtr, INT iItem)
168 HEADER_ITEM *lpItem = &infoPtr->items[iItem];
169 return lpItem->iOrder;
174 HEADER_OrderToIndex(const HEADER_INFO *infoPtr, WPARAM wParam)
176 INT iorder = (INT)wParam;
178 if ((iorder <0) || iorder >= infoPtr->uNumItem)
180 return infoPtr->order[iorder];
184 HEADER_ChangeItemOrder(const HEADER_INFO *infoPtr, INT iItem, INT iNewOrder)
186 HEADER_ITEM *lpItem = &infoPtr->items[iItem];
189 TRACE("%d: %d->%d\n", iItem, lpItem->iOrder, iNewOrder);
190 if (lpItem->iOrder < iNewOrder)
192 memmove(&infoPtr->order[lpItem->iOrder],
193 &infoPtr->order[lpItem->iOrder + 1],
194 (iNewOrder - lpItem->iOrder) * sizeof(INT));
196 if (iNewOrder < lpItem->iOrder)
198 memmove(&infoPtr->order[iNewOrder + 1],
199 &infoPtr->order[iNewOrder],
200 (lpItem->iOrder - iNewOrder) * sizeof(INT));
202 infoPtr->order[iNewOrder] = iItem;
203 nMin = min(lpItem->iOrder, iNewOrder);
204 nMax = max(lpItem->iOrder, iNewOrder);
205 for (i = nMin; i <= nMax; i++)
206 infoPtr->items[infoPtr->order[i]].iOrder = i;
209 /* Note: if iItem is the last item then this function returns infoPtr->uNumItem */
211 HEADER_NextItem(const HEADER_INFO *infoPtr, INT iItem)
213 return HEADER_OrderToIndex(infoPtr, HEADER_IndexToOrder(infoPtr, iItem)+1);
217 HEADER_PrevItem(const HEADER_INFO *infoPtr, INT iItem)
219 return HEADER_OrderToIndex(infoPtr, HEADER_IndexToOrder(infoPtr, iItem)-1);
223 HEADER_SetItemBounds (HEADER_INFO *infoPtr)
230 infoPtr->bRectsValid = TRUE;
232 if (infoPtr->uNumItem == 0)
235 GetClientRect (infoPtr->hwndSelf, &rect);
238 for (i = 0; i < infoPtr->uNumItem; i++) {
239 phdi = &infoPtr->items[HEADER_OrderToIndex(infoPtr,i)];
240 phdi->rect.top = rect.top;
241 phdi->rect.bottom = rect.bottom;
243 phdi->rect.right = phdi->rect.left + ((phdi->cxy>0)?phdi->cxy:0);
244 x = phdi->rect.right;
249 HEADER_Size (HEADER_INFO *infoPtr)
251 infoPtr->bRectsValid = FALSE;
256 static void HEADER_GetHotDividerRect(const HEADER_INFO *infoPtr, RECT *r)
258 INT iDivider = infoPtr->iHotDivider;
259 if (infoPtr->uNumItem > 0)
263 if (iDivider < infoPtr->uNumItem)
265 lpItem = &infoPtr->items[iDivider];
266 r->left = lpItem->rect.left - HOT_DIVIDER_WIDTH/2;
267 r->right = lpItem->rect.left + HOT_DIVIDER_WIDTH/2;
271 lpItem = &infoPtr->items[HEADER_OrderToIndex(infoPtr, infoPtr->uNumItem-1)];
272 r->left = lpItem->rect.right - HOT_DIVIDER_WIDTH/2;
273 r->right = lpItem->rect.right + HOT_DIVIDER_WIDTH/2;
275 r->top = lpItem->rect.top;
276 r->bottom = lpItem->rect.bottom;
281 GetClientRect(infoPtr->hwndSelf, &clientRect);
283 r->right = r->left + HOT_DIVIDER_WIDTH/2;
289 HEADER_DrawItem (HEADER_INFO *infoPtr, HDC hdc, INT iItem, BOOL bHotTrack, LRESULT lCDFlags)
291 HEADER_ITEM *phdi = &infoPtr->items[iItem];
294 HTHEME theme = GetWindowTheme (infoPtr->hwndSelf);
297 TRACE("DrawItem(iItem %d bHotTrack %d unicode flag %d)\n", iItem, bHotTrack, (infoPtr->nNotifyFormat == NFR_UNICODE));
300 if (r.right - r.left == 0)
301 return phdi->rect.right;
303 /* Set the colors before sending NM_CUSTOMDRAW so that it can change them */
304 SetTextColor(hdc, (bHotTrack && !theme) ? COLOR_HIGHLIGHT : COLOR_BTNTEXT);
305 SetBkColor(hdc, GetSysColor(COLOR_3DFACE));
307 if (lCDFlags & CDRF_NOTIFYITEMDRAW && !(phdi->fmt & HDF_OWNERDRAW))
309 LRESULT lCDItemFlags;
311 nmcd.dwDrawStage = CDDS_PREPAINT | CDDS_ITEM;
313 nmcd.dwItemSpec = iItem;
315 nmcd.uItemState = phdi->bDown ? CDIS_SELECTED : 0;
316 nmcd.lItemlParam = phdi->lParam;
318 lCDItemFlags = HEADER_SendNotify(infoPtr, NM_CUSTOMDRAW, (NMHDR *)&nmcd);
319 if (lCDItemFlags & CDRF_SKIPDEFAULT)
320 return phdi->rect.right;
324 int state = (phdi->bDown) ? HIS_PRESSED :
325 (bHotTrack ? HIS_HOT : HIS_NORMAL);
326 DrawThemeBackground (theme, hdc, HP_HEADERITEM, state,
328 GetThemeBackgroundContentRect (theme, hdc, HP_HEADERITEM, state,
334 if (GetWindowLongW (infoPtr->hwndSelf, GWL_STYLE) & HDS_BUTTONS) {
336 DrawEdge (hdc, &r, BDR_RAISEDOUTER,
337 BF_RECT | BF_FLAT | BF_MIDDLE | BF_ADJUST);
340 DrawEdge (hdc, &r, EDGE_RAISED,
341 BF_RECT | BF_SOFT | BF_MIDDLE | BF_ADJUST);
344 DrawEdge (hdc, &r, EDGE_ETCHED, BF_BOTTOM | BF_RIGHT | BF_ADJUST);
346 hbr = CreateSolidBrush(GetBkColor(hdc));
347 FillRect(hdc, &r, hbr);
355 if (phdi->fmt & HDF_OWNERDRAW) {
358 dis.CtlType = ODT_HEADER;
359 dis.CtlID = GetWindowLongPtrW (infoPtr->hwndSelf, GWLP_ID);
361 dis.itemAction = ODA_DRAWENTIRE;
362 dis.itemState = phdi->bDown ? ODS_SELECTED : 0;
363 dis.hwndItem = infoPtr->hwndSelf;
365 dis.rcItem = phdi->rect;
366 dis.itemData = phdi->lParam;
367 oldBkMode = SetBkMode(hdc, TRANSPARENT);
368 SendMessageW (infoPtr->hwndNotify, WM_DRAWITEM,
369 (WPARAM)dis.CtlID, (LPARAM)&dis);
370 if (oldBkMode != TRANSPARENT)
371 SetBkMode(hdc, oldBkMode);
374 UINT rw, rh, /* width and height of r */
375 *x = NULL, *w = NULL; /* x and width of the pic (bmp or img) which is part of cnt */
376 /* cnt,txt,img,bmp */
381 HEADER_PrepareCallbackItems(infoPtr, iItem, HDI_TEXT|HDI_IMAGE);
382 cw = tw = iw = bw = 0;
383 rw = r.right - r.left;
384 rh = r.bottom - r.top;
386 if (phdi->fmt & HDF_STRING) {
389 SetRectEmpty(&textRect);
390 DrawTextW (hdc, phdi->pszText, -1,
391 &textRect, DT_LEFT|DT_VCENTER|DT_SINGLELINE|DT_CALCRECT);
392 cw = textRect.right - textRect.left + 2 * infoPtr->iMargin;
395 if ((phdi->fmt & HDF_IMAGE) && (infoPtr->himl)) {
396 iw = infoPtr->himl->cx + 2 * infoPtr->iMargin;
401 if ((phdi->fmt & HDF_BITMAP) && (phdi->hbm)) {
402 GetObjectW (phdi->hbm, sizeof(BITMAP), &bmp);
403 bw = bmp.bmWidth + 2 * infoPtr->iMargin;
413 /* align cx using the unclipped cw */
414 if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_LEFT)
416 else if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_CENTER)
417 cx = r.left + rw / 2 - cw / 2;
424 if (cx + cw > r.right)
427 tx = cx + infoPtr->iMargin;
428 /* since cw might have changed we have to recalculate tw */
429 tw = cw - infoPtr->iMargin * 2;
433 if (phdi->fmt & HDF_BITMAP_ON_RIGHT) {
434 /* put pic behind text */
435 *x = cx + tw + infoPtr->iMargin * 3;
437 *x = cx + infoPtr->iMargin;
438 /* move text behind pic */
444 /* since we're done with the layout we can
445 now calculate the position of bmp which
446 has no influence on alignment and layout
448 if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_RIGHT)
449 bx = cx - bw + infoPtr->iMargin;
451 bx = cx + cw + infoPtr->iMargin;
455 HDC hClipDC = GetDC(infoPtr->hwndSelf);
456 HRGN hClipRgn = CreateRectRgn(r.left, r.top, r.right, r.bottom);
457 SelectClipRgn(hClipDC, hClipRgn);
460 HDC hdcBitmap = CreateCompatibleDC (hClipDC);
461 SelectObject (hdcBitmap, phdi->hbm);
462 BitBlt (hClipDC, bx, r.top + ((INT)rh - bmp.bmHeight) / 2,
463 bmp.bmWidth, bmp.bmHeight, hdcBitmap, 0, 0, SRCCOPY);
464 DeleteDC (hdcBitmap);
468 ImageList_DrawEx (infoPtr->himl, phdi->iImage, hClipDC,
469 ix, r.top + ((INT)rh - infoPtr->himl->cy) / 2,
470 infoPtr->himl->cx, infoPtr->himl->cy, CLR_DEFAULT, CLR_DEFAULT, 0);
473 DeleteObject(hClipRgn);
474 ReleaseDC(infoPtr->hwndSelf, hClipDC);
477 if (((phdi->fmt & HDF_STRING)
478 || (!(phdi->fmt & (HDF_OWNERDRAW|HDF_STRING|HDF_BITMAP|
479 HDF_BITMAP_ON_RIGHT|HDF_IMAGE)))) /* no explicit format specified? */
480 && (phdi->pszText)) {
481 oldBkMode = SetBkMode(hdc, TRANSPARENT);
484 DrawTextW (hdc, phdi->pszText, -1,
485 &r, DT_LEFT|DT_END_ELLIPSIS|DT_VCENTER|DT_SINGLELINE);
486 if (oldBkMode != TRANSPARENT)
487 SetBkMode(hdc, oldBkMode);
489 HEADER_FreeCallbackItems(phdi);
492 return phdi->rect.right;
496 HEADER_DrawHotDivider(const HEADER_INFO *infoPtr, HDC hdc)
501 HEADER_GetHotDividerRect(infoPtr, &r);
502 brush = CreateSolidBrush(GetSysColor(COLOR_HIGHLIGHT));
503 FillRect(hdc, &r, brush);
508 HEADER_Refresh (HEADER_INFO *infoPtr, HDC hdc)
510 HFONT hFont, hOldFont;
516 HTHEME theme = GetWindowTheme (infoPtr->hwndSelf);
518 if (!infoPtr->bRectsValid)
519 HEADER_SetItemBounds(infoPtr);
521 /* get rect for the bar, adjusted for the border */
522 GetClientRect (infoPtr->hwndSelf, &rect);
523 lCDFlags = HEADER_SendCtrlCustomDraw(infoPtr, CDDS_PREPAINT, hdc, &rect);
525 if (infoPtr->bDragging)
526 ImageList_DragShowNolock(FALSE);
528 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT);
529 hOldFont = SelectObject (hdc, hFont);
531 /* draw Background */
532 if (infoPtr->uNumItem == 0 && theme == NULL) {
533 hbrBk = GetSysColorBrush(COLOR_3DFACE);
534 FillRect(hdc, &rect, hbrBk);
538 for (i = 0; x <= rect.right && i < infoPtr->uNumItem; i++) {
539 int idx = HEADER_OrderToIndex(infoPtr,i);
540 if (RectVisible(hdc, &infoPtr->items[idx].rect))
541 HEADER_DrawItem(infoPtr, hdc, idx, infoPtr->iHotItem == idx, lCDFlags);
542 x = infoPtr->items[idx].rect.right;
547 if ((x <= rect.right) && RectVisible(hdc, &rcRest) && (infoPtr->uNumItem > 0)) {
549 DrawThemeBackground(theme, hdc, HP_HEADERITEM, HIS_NORMAL, &rcRest, NULL);
552 if (GetWindowLongW (infoPtr->hwndSelf, GWL_STYLE) & HDS_BUTTONS)
553 DrawEdge (hdc, &rcRest, EDGE_RAISED, BF_TOP|BF_LEFT|BF_BOTTOM|BF_SOFT|BF_MIDDLE);
555 DrawEdge (hdc, &rcRest, EDGE_ETCHED, BF_BOTTOM|BF_MIDDLE);
559 if (infoPtr->iHotDivider != -1)
560 HEADER_DrawHotDivider(infoPtr, hdc);
562 if (infoPtr->bDragging)
563 ImageList_DragShowNolock(TRUE);
564 SelectObject (hdc, hOldFont);
566 if (lCDFlags & CDRF_NOTIFYPOSTPAINT)
567 HEADER_SendCtrlCustomDraw(infoPtr, CDDS_POSTPAINT, hdc, &rect);
572 HEADER_RefreshItem (HEADER_INFO *infoPtr, INT iItem)
574 if (!infoPtr->bRectsValid)
575 HEADER_SetItemBounds(infoPtr);
577 InvalidateRect(infoPtr->hwndSelf, &infoPtr->items[iItem].rect, FALSE);
582 HEADER_InternalHitTest (const HEADER_INFO *infoPtr, const POINT *lpPt, UINT *pFlags, INT *pItem)
589 GetClientRect (infoPtr->hwndSelf, &rect);
593 if (PtInRect (&rect, *lpPt))
595 if (infoPtr->uNumItem == 0) {
596 *pFlags |= HHT_NOWHERE;
602 /* somewhere inside */
603 for (iCount = 0; iCount < infoPtr->uNumItem; iCount++) {
604 rect = infoPtr->items[iCount].rect;
605 width = rect.right - rect.left;
610 if (PtInRect (&rect, *lpPt)) {
611 if (width <= 2 * DIVIDER_WIDTH) {
612 *pFlags |= HHT_ONHEADER;
614 TRACE("ON HEADER %d\n", iCount);
617 if (HEADER_IndexToOrder(infoPtr, iCount) > 0) {
619 rcTest.right = rcTest.left + DIVIDER_WIDTH;
620 if (PtInRect (&rcTest, *lpPt)) {
622 *pFlags |= HHT_ONDIVOPEN;
623 *pItem = HEADER_PrevItem(infoPtr, iCount);
624 TRACE("ON DIVOPEN %d\n", *pItem);
628 *pFlags |= HHT_ONDIVIDER;
629 *pItem = HEADER_PrevItem(infoPtr, iCount);
630 TRACE("ON DIVIDER %d\n", *pItem);
636 rcTest.left = rcTest.right - DIVIDER_WIDTH;
637 if (PtInRect (&rcTest, *lpPt)) {
638 *pFlags |= HHT_ONDIVIDER;
640 TRACE("ON DIVIDER %d\n", *pItem);
644 *pFlags |= HHT_ONHEADER;
646 TRACE("ON HEADER %d\n", iCount);
651 /* check for last divider part (on nowhere) */
652 rect = infoPtr->items[infoPtr->uNumItem-1].rect;
653 rect.left = rect.right;
654 rect.right += DIVIDER_WIDTH;
655 if (PtInRect (&rect, *lpPt)) {
657 *pFlags |= HHT_ONDIVOPEN;
658 *pItem = infoPtr->uNumItem - 1;
659 TRACE("ON DIVOPEN %d\n", *pItem);
663 *pFlags |= HHT_ONDIVIDER;
664 *pItem = infoPtr->uNumItem-1;
665 TRACE("ON DIVIDER %d\n", *pItem);
670 *pFlags |= HHT_NOWHERE;
677 if (lpPt->x < rect.left) {
679 *pFlags |= HHT_TOLEFT;
681 else if (lpPt->x > rect.right) {
683 *pFlags |= HHT_TORIGHT;
686 if (lpPt->y < rect.top) {
688 *pFlags |= HHT_ABOVE;
690 else if (lpPt->y > rect.bottom) {
692 *pFlags |= HHT_BELOW;
697 TRACE("flags=0x%X\n", *pFlags);
703 HEADER_DrawTrackLine (const HEADER_INFO *infoPtr, HDC hdc, INT x)
709 GetClientRect (infoPtr->hwndSelf, &rect);
711 hOldPen = SelectObject (hdc, GetStockObject (BLACK_PEN));
712 oldRop = SetROP2 (hdc, R2_XORPEN);
713 MoveToEx (hdc, x, rect.top, NULL);
714 LineTo (hdc, x, rect.bottom);
715 SetROP2 (hdc, oldRop);
716 SelectObject (hdc, hOldPen);
721 * Convert a HDITEM into the correct format (ANSI/Unicode) to send it in a notify
724 * [I] infoPtr : the header that wants to send the notify
725 * [O] dest : The buffer to store the HDITEM for notify. It may be set to a HDITEMA of HDITEMW
726 * [I] src : The source HDITEM. It may be a HDITEMA or HDITEMW
727 * [I] fSourceUnicode : is src a HDITEMW or HDITEMA
728 * [O] ppvScratch : a pointer to a scratch buffer that needs to be freed after
729 * the HDITEM is no longer in use or NULL if none was needed
731 * NOTE: We depend on HDITEMA and HDITEMW having the same structure
733 static void HEADER_CopyHDItemForNotify(const HEADER_INFO *infoPtr, HDITEMW *dest,
734 const HDITEMW *src, BOOL fSourceUnicode, LPVOID *ppvScratch)
739 if (src->mask & HDI_TEXT && src->pszText != LPSTR_TEXTCALLBACKW) /* covers TEXTCALLBACKA as well */
741 if (fSourceUnicode && infoPtr->nNotifyFormat != NFR_UNICODE)
743 dest->pszText = NULL;
744 Str_SetPtrWtoA((LPSTR *)&dest->pszText, src->pszText);
745 *ppvScratch = dest->pszText;
748 if (!fSourceUnicode && infoPtr->nNotifyFormat == NFR_UNICODE)
750 dest->pszText = NULL;
751 Str_SetPtrAtoW(&dest->pszText, (LPSTR)src->pszText);
752 *ppvScratch = dest->pszText;
757 static UINT HEADER_NotifyCodeWtoA(UINT code)
759 /* we use the fact that all the unicode messages are in HDN_FIRST_UNICODE..HDN_LAST*/
760 if (code >= HDN_LAST && code <= HDN_FIRST_UNICODE)
761 return code + HDN_UNICODE_OFFSET;
767 HEADER_SendNotify(const HEADER_INFO *infoPtr, UINT code, NMHDR *nmhdr)
769 nmhdr->hwndFrom = infoPtr->hwndSelf;
770 nmhdr->idFrom = GetWindowLongPtrW (infoPtr->hwndSelf, GWLP_ID);
773 return SendMessageW(infoPtr->hwndNotify, WM_NOTIFY,
774 nmhdr->idFrom, (LPARAM)nmhdr);
778 HEADER_SendSimpleNotify (const HEADER_INFO *infoPtr, UINT code)
781 return (BOOL)HEADER_SendNotify(infoPtr, code, &nmhdr);
785 HEADER_SendCtrlCustomDraw(const HEADER_INFO *infoPtr, DWORD dwDrawStage, HDC hdc, const RECT *rect)
788 nm.dwDrawStage = dwDrawStage;
795 return HEADER_SendNotify(infoPtr, NM_CUSTOMDRAW, (NMHDR *)&nm);
799 HEADER_SendNotifyWithHDItemT(const HEADER_INFO *infoPtr, UINT code, INT iItem, HDITEMW *lpItem)
803 if (infoPtr->nNotifyFormat != NFR_UNICODE)
804 code = HEADER_NotifyCodeWtoA(code);
807 nmhdr.pitem = lpItem;
809 return (BOOL)HEADER_SendNotify(infoPtr, code, (NMHDR *)&nmhdr);
813 HEADER_SendNotifyWithIntFieldT(const HEADER_INFO *infoPtr, UINT code, INT iItem, INT mask, INT iValue)
817 /* copying only the iValue should be ok but to make the code more robust we copy everything */
818 nmitem.cxy = infoPtr->items[iItem].cxy;
819 nmitem.hbm = infoPtr->items[iItem].hbm;
820 nmitem.pszText = NULL;
821 nmitem.cchTextMax = 0;
822 nmitem.fmt = infoPtr->items[iItem].fmt;
823 nmitem.lParam = infoPtr->items[iItem].lParam;
824 nmitem.iOrder = infoPtr->items[iItem].iOrder;
825 nmitem.iImage = infoPtr->items[iItem].iImage;
834 nmitem.iOrder = iValue;
837 ERR("invalid mask value 0x%x\n", iValue);
840 return HEADER_SendNotifyWithHDItemT(infoPtr, code, iItem, &nmitem);
844 * Prepare callback items
845 * depends on NMHDDISPINFOW having same structure as NMHDDISPINFOA
846 * (so we handle the two cases only doing a specific cast for pszText).
847 * Checks if any of the required field are callback. If there are sends a
848 * NMHDISPINFO notify to retrieve these items. The items are stored in the
849 * HEADER_ITEM pszText and iImage fields. They should be freed with
850 * HEADER_FreeCallbackItems.
852 * @param hwnd : hwnd header container handler
853 * @param iItem : the header item id
854 * @param reqMask : required fields. If any of them is callback this function will fetch it
856 * @return TRUE on success, else FALSE
859 HEADER_PrepareCallbackItems(const HEADER_INFO *infoPtr, INT iItem, INT reqMask)
861 HEADER_ITEM *lpItem = &infoPtr->items[iItem];
862 DWORD mask = reqMask & lpItem->callbackMask;
863 NMHDDISPINFOW dispInfo;
864 void *pvBuffer = NULL;
868 if (mask&HDI_TEXT && lpItem->pszText != NULL)
870 ERR("(): function called without a call to FreeCallbackItems\n");
871 Free(lpItem->pszText);
872 lpItem->pszText = NULL;
875 memset(&dispInfo, 0, sizeof(NMHDDISPINFOW));
876 dispInfo.hdr.hwndFrom = infoPtr->hwndSelf;
877 dispInfo.hdr.idFrom = GetWindowLongPtrW (infoPtr->hwndSelf, GWLP_ID);
878 if (infoPtr->nNotifyFormat == NFR_UNICODE)
880 dispInfo.hdr.code = HDN_GETDISPINFOW;
882 pvBuffer = Alloc(MAX_HEADER_TEXT_LEN * sizeof(WCHAR));
886 dispInfo.hdr.code = HDN_GETDISPINFOA;
888 pvBuffer = Alloc(MAX_HEADER_TEXT_LEN * sizeof(CHAR));
890 dispInfo.pszText = pvBuffer;
891 dispInfo.cchTextMax = (pvBuffer!=NULL?MAX_HEADER_TEXT_LEN:0);
892 dispInfo.iItem = iItem;
893 dispInfo.mask = mask;
894 dispInfo.lParam = lpItem->lParam;
896 TRACE("Sending HDN_GETDISPINFO%c\n", infoPtr->nNotifyFormat == NFR_UNICODE?'W':'A');
897 SendMessageW(infoPtr->hwndNotify, WM_NOTIFY, dispInfo.hdr.idFrom, (LPARAM)&dispInfo);
899 TRACE("SendMessage returns(mask:0x%x,str:%s,lParam:%p)\n",
901 (infoPtr->nNotifyFormat == NFR_UNICODE ? debugstr_w(dispInfo.pszText) : (LPSTR) dispInfo.pszText),
902 (void*) dispInfo.lParam);
904 if (mask & HDI_IMAGE)
905 lpItem->iImage = dispInfo.iImage;
908 if (infoPtr->nNotifyFormat == NFR_UNICODE)
910 lpItem->pszText = pvBuffer;
912 /* the user might have used his own buffer */
913 if (dispInfo.pszText != lpItem->pszText)
914 Str_GetPtrW(dispInfo.pszText, lpItem->pszText, MAX_HEADER_TEXT_LEN);
918 Str_SetPtrAtoW(&lpItem->pszText, (LPSTR)dispInfo.pszText);
923 if (dispInfo.mask & HDI_DI_SETITEM)
925 /* make the items permanent */
926 lpItem->callbackMask &= ~dispInfo.mask;
934 * Free the items that might be allocated with HEADER_PrepareCallbackItems
937 * [I] lpItem : the item to free the data
941 HEADER_FreeCallbackItems(HEADER_ITEM *lpItem)
943 if (lpItem->callbackMask&HDI_TEXT)
945 Free(lpItem->pszText);
946 lpItem->pszText = NULL;
949 if (lpItem->callbackMask&HDI_IMAGE)
950 lpItem->iImage = I_IMAGECALLBACK;
954 HEADER_CreateDragImage (HEADER_INFO *infoPtr, WPARAM wParam)
958 HBITMAP hMemory, hOldBitmap;
966 if (wParam >= infoPtr->uNumItem)
969 if (!infoPtr->bRectsValid)
970 HEADER_SetItemBounds(infoPtr);
972 lpItem = &infoPtr->items[wParam];
973 width = lpItem->rect.right - lpItem->rect.left;
974 height = lpItem->rect.bottom - lpItem->rect.top;
976 hDeviceDC = GetDC(NULL);
977 hMemoryDC = CreateCompatibleDC(hDeviceDC);
978 hMemory = CreateCompatibleBitmap(hDeviceDC, width, height);
979 ReleaseDC(NULL, hDeviceDC);
980 hOldBitmap = SelectObject(hMemoryDC, hMemory);
981 SetViewportOrgEx(hMemoryDC, -lpItem->rect.left, -lpItem->rect.top, NULL);
982 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject(SYSTEM_FONT);
983 SelectObject(hMemoryDC, hFont);
985 GetClientRect(infoPtr->hwndSelf, &rc);
986 lCDFlags = HEADER_SendCtrlCustomDraw(infoPtr, CDDS_PREPAINT, hMemoryDC, &rc);
987 HEADER_DrawItem(infoPtr, hMemoryDC, wParam, FALSE, lCDFlags);
988 if (lCDFlags & CDRF_NOTIFYPOSTPAINT)
989 HEADER_SendCtrlCustomDraw(infoPtr, CDDS_POSTPAINT, hMemoryDC, &rc);
991 hMemory = SelectObject(hMemoryDC, hOldBitmap);
994 if (hMemory == NULL) /* if anything failed */
997 himl = ImageList_Create(width, height, ILC_COLORDDB, 1, 1);
998 ImageList_Add(himl, hMemory, NULL);
999 DeleteObject(hMemory);
1000 return (LRESULT)himl;
1004 HEADER_SetHotDivider(HEADER_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
1013 pt.x = (INT)(SHORT)LOWORD(lParam);
1015 HEADER_InternalHitTest (infoPtr, &pt, &flags, &iDivider);
1017 if (flags & HHT_TOLEFT)
1019 else if (flags & HHT_NOWHERE || flags & HHT_TORIGHT)
1020 iDivider = infoPtr->uNumItem;
1023 HEADER_ITEM *lpItem = &infoPtr->items[iDivider];
1024 if (pt.x > (lpItem->rect.left+lpItem->rect.right)/2)
1025 iDivider = HEADER_NextItem(infoPtr, iDivider);
1029 iDivider = (INT)lParam;
1031 /* Note; wParam==FALSE, lParam==-1 is valid and is used to clear the hot divider */
1032 if (iDivider<-1 || iDivider>(int)infoPtr->uNumItem)
1035 if (iDivider != infoPtr->iHotDivider)
1037 if (infoPtr->iHotDivider != -1)
1039 HEADER_GetHotDividerRect(infoPtr, &r);
1040 InvalidateRect(infoPtr->hwndSelf, &r, FALSE);
1042 infoPtr->iHotDivider = iDivider;
1045 HEADER_GetHotDividerRect(infoPtr, &r);
1046 InvalidateRect(infoPtr->hwndSelf, &r, FALSE);
1053 HEADER_DeleteItem (HEADER_INFO *infoPtr, WPARAM wParam)
1055 INT iItem = (INT)wParam;
1059 TRACE("[iItem=%d]\n", iItem);
1061 if ((iItem < 0) || (iItem >= (INT)infoPtr->uNumItem))
1064 for (i = 0; i < infoPtr->uNumItem; i++)
1065 TRACE("%d: order=%d, iOrder=%d, ->iOrder=%d\n", i, infoPtr->order[i], infoPtr->items[i].iOrder, infoPtr->items[infoPtr->order[i]].iOrder);
1067 iOrder = infoPtr->items[iItem].iOrder;
1068 Free(infoPtr->items[iItem].pszText);
1070 infoPtr->uNumItem--;
1071 memmove(&infoPtr->items[iItem], &infoPtr->items[iItem + 1],
1072 (infoPtr->uNumItem - iItem) * sizeof(HEADER_ITEM));
1073 memmove(&infoPtr->order[iOrder], &infoPtr->order[iOrder + 1],
1074 (infoPtr->uNumItem - iOrder) * sizeof(INT));
1075 infoPtr->items = ReAlloc(infoPtr->items, sizeof(HEADER_ITEM) * infoPtr->uNumItem);
1076 infoPtr->order = ReAlloc(infoPtr->order, sizeof(INT) * infoPtr->uNumItem);
1078 /* Correct the orders */
1079 for (i = 0; i < infoPtr->uNumItem; i++)
1081 if (infoPtr->order[i] > iItem)
1082 infoPtr->order[i]--;
1084 infoPtr->items[infoPtr->order[i]].iOrder = i;
1086 for (i = 0; i < infoPtr->uNumItem; i++)
1087 TRACE("%d: order=%d, iOrder=%d, ->iOrder=%d\n", i, infoPtr->order[i], infoPtr->items[i].iOrder, infoPtr->items[infoPtr->order[i]].iOrder);
1089 HEADER_SetItemBounds (infoPtr);
1090 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1097 HEADER_GetImageList (const HEADER_INFO *infoPtr)
1099 return (LRESULT)infoPtr->himl;
1104 HEADER_GetItemT (const HEADER_INFO *infoPtr, INT nItem, LPHDITEMW phdi, BOOL bUnicode)
1106 HEADER_ITEM *lpItem;
1112 TRACE("[nItem=%d]\n", nItem);
1118 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
1121 if (mask & HDI_UNKNOWN_FIELDS)
1123 TRACE("mask %x contains unknown fields. Using only comctl32 4.0 fields\n", mask);
1124 mask &= HDI_COMCTL32_4_0_FIELDS;
1127 lpItem = &infoPtr->items[nItem];
1128 HEADER_PrepareCallbackItems(infoPtr, nItem, mask);
1130 if (mask & HDI_BITMAP)
1131 phdi->hbm = lpItem->hbm;
1133 if (mask & HDI_FORMAT)
1134 phdi->fmt = lpItem->fmt;
1136 if (mask & HDI_WIDTH)
1137 phdi->cxy = lpItem->cxy;
1139 if (mask & HDI_LPARAM)
1140 phdi->lParam = lpItem->lParam;
1142 if (mask & HDI_IMAGE)
1143 phdi->iImage = lpItem->iImage;
1145 if (mask & HDI_ORDER)
1146 phdi->iOrder = lpItem->iOrder;
1148 if (mask & HDI_TEXT)
1151 Str_GetPtrW (lpItem->pszText, phdi->pszText, phdi->cchTextMax);
1153 Str_GetPtrWtoA (lpItem->pszText, (LPSTR)phdi->pszText, phdi->cchTextMax);
1156 HEADER_FreeCallbackItems(lpItem);
1161 static inline LRESULT
1162 HEADER_GetItemCount (const HEADER_INFO *infoPtr)
1164 return infoPtr->uNumItem;
1169 HEADER_GetItemRect (const HEADER_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
1171 INT iItem = (INT)wParam;
1172 LPRECT lpRect = (LPRECT)lParam;
1174 if ((iItem < 0) || (iItem >= (INT)infoPtr->uNumItem))
1177 lpRect->left = infoPtr->items[iItem].rect.left;
1178 lpRect->right = infoPtr->items[iItem].rect.right;
1179 lpRect->top = infoPtr->items[iItem].rect.top;
1180 lpRect->bottom = infoPtr->items[iItem].rect.bottom;
1187 HEADER_GetOrderArray(const HEADER_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
1189 LPINT order = (LPINT) lParam;
1191 if ((unsigned int)wParam <infoPtr->uNumItem)
1194 memcpy(order, infoPtr->order, infoPtr->uNumItem * sizeof(INT));
1199 HEADER_SetOrderArray(HEADER_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
1202 LPINT order = (LPINT) lParam;
1203 HEADER_ITEM *lpItem;
1205 if ((unsigned int)wParam <infoPtr->uNumItem)
1207 memcpy(infoPtr->order, order, infoPtr->uNumItem * sizeof(INT));
1208 for (i=0; i<(int)wParam; i++)
1210 lpItem = &infoPtr->items[*order++];
1213 infoPtr->bRectsValid=0;
1214 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1218 static inline LRESULT
1219 HEADER_GetUnicodeFormat (const HEADER_INFO *infoPtr)
1221 return (infoPtr->nNotifyFormat == NFR_UNICODE);
1226 HEADER_HitTest (const HEADER_INFO *infoPtr, LPARAM lParam)
1228 LPHDHITTESTINFO phti = (LPHDHITTESTINFO)lParam;
1230 HEADER_InternalHitTest (infoPtr, &phti->pt, &phti->flags, &phti->iItem);
1232 if (phti->flags == HHT_NOWHERE)
1240 HEADER_InsertItemT (HEADER_INFO *infoPtr, INT nItem, const HDITEMW *phdi, BOOL bUnicode)
1242 HEADER_ITEM *lpItem;
1247 if ((phdi == NULL) || (nItem < 0) || (phdi->mask == 0))
1250 if (nItem > infoPtr->uNumItem)
1251 nItem = infoPtr->uNumItem;
1253 iOrder = (phdi->mask & HDI_ORDER) ? phdi->iOrder : nItem;
1256 else if (infoPtr->uNumItem < iOrder)
1257 iOrder = infoPtr->uNumItem;
1259 infoPtr->uNumItem++;
1260 infoPtr->items = ReAlloc(infoPtr->items, sizeof(HEADER_ITEM) * infoPtr->uNumItem);
1261 infoPtr->order = ReAlloc(infoPtr->order, sizeof(INT) * infoPtr->uNumItem);
1263 /* make space for the new item */
1264 memmove(&infoPtr->items[nItem + 1], &infoPtr->items[nItem],
1265 (infoPtr->uNumItem - nItem - 1) * sizeof(HEADER_ITEM));
1266 memmove(&infoPtr->order[iOrder + 1], &infoPtr->order[iOrder],
1267 (infoPtr->uNumItem - iOrder - 1) * sizeof(INT));
1269 /* update the order array */
1270 infoPtr->order[iOrder] = nItem;
1271 for (i = 0; i < infoPtr->uNumItem; i++)
1273 if (i != iOrder && infoPtr->order[i] >= nItem)
1274 infoPtr->order[i]++;
1275 infoPtr->items[infoPtr->order[i]].iOrder = i;
1278 lpItem = &infoPtr->items[nItem];
1279 ZeroMemory(lpItem, sizeof(HEADER_ITEM));
1280 /* cxy, fmt and lParam are copied even if not in the HDITEM mask */
1281 copyMask = phdi->mask | HDI_WIDTH | HDI_FORMAT | HDI_LPARAM;
1282 HEADER_StoreHDItemInHeader(lpItem, copyMask, phdi, bUnicode);
1283 lpItem->iOrder = iOrder;
1285 /* set automatically some format bits */
1286 if (phdi->mask & HDI_TEXT)
1287 lpItem->fmt |= HDF_STRING;
1289 lpItem->fmt &= ~HDF_STRING;
1291 if (lpItem->hbm != NULL)
1292 lpItem->fmt |= HDF_BITMAP;
1294 lpItem->fmt &= ~HDF_BITMAP;
1296 if (phdi->mask & HDI_IMAGE)
1297 lpItem->fmt |= HDF_IMAGE;
1299 HEADER_SetItemBounds (infoPtr);
1300 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1307 HEADER_Layout (HEADER_INFO *infoPtr, LPARAM lParam)
1309 LPHDLAYOUT lpLayout = (LPHDLAYOUT)lParam;
1311 lpLayout->pwpos->hwnd = infoPtr->hwndSelf;
1312 lpLayout->pwpos->hwndInsertAfter = 0;
1313 lpLayout->pwpos->x = lpLayout->prc->left;
1314 lpLayout->pwpos->y = lpLayout->prc->top;
1315 lpLayout->pwpos->cx = lpLayout->prc->right - lpLayout->prc->left;
1316 if (GetWindowLongW (infoPtr->hwndSelf, GWL_STYLE) & HDS_HIDDEN)
1317 lpLayout->pwpos->cy = 0;
1319 lpLayout->pwpos->cy = infoPtr->nHeight;
1320 lpLayout->prc->top += infoPtr->nHeight;
1322 lpLayout->pwpos->flags = SWP_NOZORDER;
1324 TRACE("Layout x=%d y=%d cx=%d cy=%d\n",
1325 lpLayout->pwpos->x, lpLayout->pwpos->y,
1326 lpLayout->pwpos->cx, lpLayout->pwpos->cy);
1328 infoPtr->bRectsValid = FALSE;
1335 HEADER_SetImageList (HEADER_INFO *infoPtr, HIMAGELIST himl)
1339 TRACE("(himl %p)\n", himl);
1340 himlOld = infoPtr->himl;
1341 infoPtr->himl = himl;
1343 /* FIXME: Refresh needed??? */
1345 return (LRESULT)himlOld;
1350 HEADER_GetBitmapMargin(const HEADER_INFO *infoPtr)
1352 return infoPtr->iMargin;
1356 HEADER_SetBitmapMargin(HEADER_INFO *infoPtr, WPARAM wParam)
1358 INT oldMargin = infoPtr->iMargin;
1360 infoPtr->iMargin = (INT)wParam;
1366 HEADER_SetItemT (HEADER_INFO *infoPtr, INT nItem, const HDITEMW *phdi, BOOL bUnicode)
1368 HEADER_ITEM *lpItem;
1374 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
1377 TRACE("[nItem=%d]\n", nItem);
1379 HEADER_CopyHDItemForNotify(infoPtr, &hdNotify, phdi, bUnicode, &pvScratch);
1380 if (HEADER_SendNotifyWithHDItemT(infoPtr, HDN_ITEMCHANGINGW, nItem, &hdNotify))
1386 lpItem = &infoPtr->items[nItem];
1387 HEADER_StoreHDItemInHeader(lpItem, phdi->mask, phdi, bUnicode);
1389 if (phdi->mask & HDI_ORDER)
1390 if (phdi->iOrder >= 0 && phdi->iOrder < infoPtr->uNumItem)
1391 HEADER_ChangeItemOrder(infoPtr, nItem, phdi->iOrder);
1393 HEADER_SendNotifyWithHDItemT(infoPtr, HDN_ITEMCHANGEDW, nItem, &hdNotify);
1395 HEADER_SetItemBounds (infoPtr);
1397 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1403 static inline LRESULT
1404 HEADER_SetUnicodeFormat (HEADER_INFO *infoPtr, WPARAM wParam)
1406 BOOL bTemp = (infoPtr->nNotifyFormat == NFR_UNICODE);
1408 infoPtr->nNotifyFormat = ((BOOL)wParam ? NFR_UNICODE : NFR_ANSI);
1415 HEADER_Create (HWND hwnd, LPARAM lParam)
1417 HEADER_INFO *infoPtr;
1422 infoPtr = Alloc (sizeof(HEADER_INFO));
1423 SetWindowLongPtrW (hwnd, 0, (DWORD_PTR)infoPtr);
1425 infoPtr->hwndSelf = hwnd;
1426 infoPtr->hwndNotify = ((LPCREATESTRUCTA)lParam)->hwndParent;
1427 infoPtr->uNumItem = 0;
1431 infoPtr->bRectsValid = FALSE;
1432 infoPtr->hcurArrow = LoadCursorW (0, (LPWSTR)IDC_ARROW);
1433 infoPtr->hcurDivider = LoadCursorW (COMCTL32_hModule, MAKEINTRESOURCEW(IDC_DIVIDER));
1434 infoPtr->hcurDivopen = LoadCursorW (COMCTL32_hModule, MAKEINTRESOURCEW(IDC_DIVIDEROPEN));
1435 infoPtr->bPressed = FALSE;
1436 infoPtr->bTracking = FALSE;
1437 infoPtr->iMoveItem = 0;
1439 infoPtr->iHotItem = -1;
1440 infoPtr->iHotDivider = -1;
1441 infoPtr->iMargin = 3*GetSystemMetrics(SM_CXEDGE);
1442 infoPtr->nNotifyFormat =
1443 SendMessageW (infoPtr->hwndNotify, WM_NOTIFYFORMAT, (WPARAM)hwnd, NF_QUERY);
1446 hOldFont = SelectObject (hdc, GetStockObject (SYSTEM_FONT));
1447 GetTextMetricsW (hdc, &tm);
1448 infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
1449 SelectObject (hdc, hOldFont);
1452 OpenThemeData(hwnd, themeClass);
1459 HEADER_Destroy (HEADER_INFO *infoPtr)
1461 HTHEME theme = GetWindowTheme(infoPtr->hwndSelf);
1462 CloseThemeData(theme);
1467 HEADER_NCDestroy (HEADER_INFO *infoPtr)
1469 HEADER_ITEM *lpItem;
1472 if (infoPtr->items) {
1473 lpItem = infoPtr->items;
1474 for (nItem = 0; nItem < infoPtr->uNumItem; nItem++, lpItem++) {
1475 Free(lpItem->pszText);
1477 Free (infoPtr->items);
1480 Free(infoPtr->order);
1483 ImageList_Destroy (infoPtr->himl);
1485 SetWindowLongPtrW (infoPtr->hwndSelf, 0, 0);
1492 static inline LRESULT
1493 HEADER_GetFont (const HEADER_INFO *infoPtr)
1495 return (LRESULT)infoPtr->hFont;
1500 HEADER_IsDragDistance(const HEADER_INFO *infoPtr, const POINT *pt)
1502 /* Windows allows for a mouse movement before starting the drag. We use the
1503 * SM_CXDOUBLECLICK/SM_CYDOUBLECLICK as that distance.
1505 return (abs(infoPtr->ptLButtonDown.x - pt->x)>GetSystemMetrics(SM_CXDOUBLECLK) ||
1506 abs(infoPtr->ptLButtonDown.y - pt->y)>GetSystemMetrics(SM_CYDOUBLECLK));
1510 HEADER_LButtonDblClk (HEADER_INFO *infoPtr, LPARAM lParam)
1516 pt.x = (short)LOWORD(lParam);
1517 pt.y = (short)HIWORD(lParam);
1518 HEADER_InternalHitTest (infoPtr, &pt, &flags, &nItem);
1520 if ((GetWindowLongW (infoPtr->hwndSelf, GWL_STYLE) & HDS_BUTTONS) && (flags == HHT_ONHEADER))
1521 HEADER_SendNotifyWithHDItemT(infoPtr, HDN_ITEMDBLCLICKW, nItem, NULL);
1522 else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN))
1523 HEADER_SendNotifyWithHDItemT(infoPtr, HDN_DIVIDERDBLCLICKW, nItem, NULL);
1530 HEADER_LButtonDown (HEADER_INFO *infoPtr, LPARAM lParam)
1532 DWORD dwStyle = GetWindowLongW (infoPtr->hwndSelf, GWL_STYLE);
1538 pt.x = (short)LOWORD(lParam);
1539 pt.y = (short)HIWORD(lParam);
1540 HEADER_InternalHitTest (infoPtr, &pt, &flags, &nItem);
1542 if ((dwStyle & HDS_BUTTONS) && (flags == HHT_ONHEADER)) {
1543 SetCapture (infoPtr->hwndSelf);
1544 infoPtr->bCaptured = TRUE;
1545 infoPtr->bPressed = TRUE;
1546 infoPtr->bDragging = FALSE;
1547 infoPtr->iMoveItem = nItem;
1548 infoPtr->ptLButtonDown = pt;
1550 infoPtr->items[nItem].bDown = TRUE;
1552 /* Send WM_CUSTOMDRAW */
1553 hdc = GetDC (infoPtr->hwndSelf);
1554 HEADER_RefreshItem (infoPtr, nItem);
1555 ReleaseDC (infoPtr->hwndSelf, hdc);
1557 TRACE("Pressed item %d!\n", nItem);
1559 else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN)) {
1560 INT iCurrWidth = infoPtr->items[nItem].cxy;
1561 if (!HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_BEGINTRACKW, nItem, HDI_WIDTH, iCurrWidth))
1563 SetCapture (infoPtr->hwndSelf);
1564 infoPtr->bCaptured = TRUE;
1565 infoPtr->bTracking = TRUE;
1566 infoPtr->iMoveItem = nItem;
1567 infoPtr->xTrackOffset = infoPtr->items[nItem].rect.right - pt.x;
1569 if (!(dwStyle & HDS_FULLDRAG)) {
1570 infoPtr->xOldTrack = infoPtr->items[nItem].rect.right;
1571 hdc = GetDC (infoPtr->hwndSelf);
1572 HEADER_DrawTrackLine (infoPtr, hdc, infoPtr->xOldTrack);
1573 ReleaseDC (infoPtr->hwndSelf, hdc);
1576 TRACE("Begin tracking item %d!\n", nItem);
1585 HEADER_LButtonUp (HEADER_INFO *infoPtr, LPARAM lParam)
1587 DWORD dwStyle = GetWindowLongW (infoPtr->hwndSelf, GWL_STYLE);
1593 pt.x = (INT)(SHORT)LOWORD(lParam);
1594 pt.y = (INT)(SHORT)HIWORD(lParam);
1595 HEADER_InternalHitTest (infoPtr, &pt, &flags, &nItem);
1597 if (infoPtr->bPressed) {
1598 if (infoPtr->bDragging)
1600 HEADER_ITEM *lpItem = &infoPtr->items[infoPtr->iMoveItem];
1603 ImageList_DragShowNolock(FALSE);
1604 ImageList_EndDrag();
1605 lpItem->bDown=FALSE;
1607 if (infoPtr->iHotDivider == -1)
1609 else if (infoPtr->iHotDivider == infoPtr->uNumItem)
1610 iNewOrder = infoPtr->uNumItem-1;
1613 iNewOrder = HEADER_IndexToOrder(infoPtr, infoPtr->iHotDivider);
1614 if (iNewOrder > lpItem->iOrder)
1618 if (iNewOrder != -1 &&
1619 !HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ENDDRAG, infoPtr->iMoveItem, HDI_ORDER, iNewOrder))
1621 HEADER_ChangeItemOrder(infoPtr, infoPtr->iMoveItem, iNewOrder);
1622 infoPtr->bRectsValid = FALSE;
1623 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1626 InvalidateRect(infoPtr->hwndSelf, &infoPtr->items[infoPtr->iMoveItem].rect, FALSE);
1628 infoPtr->bDragging = FALSE;
1629 HEADER_SetHotDivider(infoPtr, FALSE, -1);
1631 else if (!(dwStyle&HDS_DRAGDROP) || !HEADER_IsDragDistance(infoPtr, &pt))
1633 infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
1634 hdc = GetDC (infoPtr->hwndSelf);
1635 HEADER_RefreshItem (infoPtr, infoPtr->iMoveItem);
1636 ReleaseDC (infoPtr->hwndSelf, hdc);
1638 HEADER_SendNotifyWithHDItemT(infoPtr, HDN_ITEMCLICKW, infoPtr->iMoveItem, NULL);
1641 TRACE("Released item %d!\n", infoPtr->iMoveItem);
1642 infoPtr->bPressed = FALSE;
1644 else if (infoPtr->bTracking) {
1645 INT iNewWidth = pt.x - infoPtr->items[infoPtr->iMoveItem].rect.left + infoPtr->xTrackOffset;
1648 TRACE("End tracking item %d!\n", infoPtr->iMoveItem);
1649 infoPtr->bTracking = FALSE;
1651 HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ENDTRACKW, infoPtr->iMoveItem, HDI_WIDTH, iNewWidth);
1653 if (!(dwStyle & HDS_FULLDRAG)) {
1654 hdc = GetDC (infoPtr->hwndSelf);
1655 HEADER_DrawTrackLine (infoPtr, hdc, infoPtr->xOldTrack);
1656 ReleaseDC (infoPtr->hwndSelf, hdc);
1659 if (!HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ITEMCHANGINGW, infoPtr->iMoveItem, HDI_WIDTH, iNewWidth))
1661 infoPtr->items[infoPtr->iMoveItem].cxy = iNewWidth;
1662 HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ITEMCHANGEDW, infoPtr->iMoveItem, HDI_WIDTH, iNewWidth);
1665 HEADER_SetItemBounds (infoPtr);
1666 InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
1669 if (infoPtr->bCaptured) {
1670 infoPtr->bCaptured = FALSE;
1672 HEADER_SendSimpleNotify (infoPtr, NM_RELEASEDCAPTURE);
1680 HEADER_NotifyFormat (HEADER_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
1685 return infoPtr->nNotifyFormat;
1688 infoPtr->nNotifyFormat =
1689 SendMessageW ((HWND)wParam, WM_NOTIFYFORMAT,
1690 (WPARAM)infoPtr->hwndSelf, (LPARAM)NF_QUERY);
1691 return infoPtr->nNotifyFormat;
1698 HEADER_MouseLeave (HEADER_INFO *infoPtr)
1700 /* Reset hot-tracked item when mouse leaves control. */
1701 INT oldHotItem = infoPtr->iHotItem;
1702 HDC hdc = GetDC (infoPtr->hwndSelf);
1704 infoPtr->iHotItem = -1;
1705 if (oldHotItem != -1) HEADER_RefreshItem (infoPtr, oldHotItem);
1706 ReleaseDC (infoPtr->hwndSelf, hdc);
1713 HEADER_MouseMove (HEADER_INFO *infoPtr, LPARAM lParam)
1715 DWORD dwStyle = GetWindowLongW (infoPtr->hwndSelf, GWL_STYLE);
1720 /* With theming, hottracking is always enabled */
1721 BOOL hotTrackEnabled =
1722 ((dwStyle & HDS_BUTTONS) && (dwStyle & HDS_HOTTRACK))
1723 || (GetWindowTheme (infoPtr->hwndSelf) != NULL);
1724 INT oldHotItem = infoPtr->iHotItem;
1726 pt.x = (INT)(SHORT)LOWORD(lParam);
1727 pt.y = (INT)(SHORT)HIWORD(lParam);
1728 HEADER_InternalHitTest (infoPtr, &pt, &flags, &nItem);
1730 if (hotTrackEnabled) {
1731 if (flags & (HHT_ONHEADER | HHT_ONDIVIDER | HHT_ONDIVOPEN))
1732 infoPtr->iHotItem = nItem;
1734 infoPtr->iHotItem = -1;
1737 if (infoPtr->bCaptured) {
1738 /* check if we should drag the header */
1739 if (infoPtr->bPressed && !infoPtr->bDragging && dwStyle&HDS_DRAGDROP
1740 && HEADER_IsDragDistance(infoPtr, &pt))
1742 if (!HEADER_SendNotifyWithHDItemT(infoPtr, HDN_BEGINDRAG, infoPtr->iMoveItem, NULL))
1744 HIMAGELIST hDragItem = (HIMAGELIST)HEADER_CreateDragImage(infoPtr, infoPtr->iMoveItem);
1745 if (hDragItem != NULL)
1747 HEADER_ITEM *lpItem = &infoPtr->items[infoPtr->iMoveItem];
1748 TRACE("Starting item drag\n");
1749 ImageList_BeginDrag(hDragItem, 0, pt.x - lpItem->rect.left, 0);
1750 ImageList_DragShowNolock(TRUE);
1751 ImageList_Destroy(hDragItem);
1752 infoPtr->bDragging = TRUE;
1757 if (infoPtr->bDragging)
1762 ClientToScreen(infoPtr->hwndSelf, &drag);
1763 ImageList_DragMove(drag.x, drag.y);
1764 HEADER_SetHotDivider(infoPtr, TRUE, lParam);
1767 if (infoPtr->bPressed && !infoPtr->bDragging) {
1768 BOOL oldState = infoPtr->items[infoPtr->iMoveItem].bDown;
1769 if ((nItem == infoPtr->iMoveItem) && (flags == HHT_ONHEADER))
1770 infoPtr->items[infoPtr->iMoveItem].bDown = TRUE;
1772 infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
1773 if (oldState != infoPtr->items[infoPtr->iMoveItem].bDown) {
1774 hdc = GetDC (infoPtr->hwndSelf);
1775 HEADER_RefreshItem (infoPtr, infoPtr->iMoveItem);
1776 ReleaseDC (infoPtr->hwndSelf, hdc);
1779 TRACE("Moving pressed item %d!\n", infoPtr->iMoveItem);
1781 else if (infoPtr->bTracking) {
1782 if (dwStyle & HDS_FULLDRAG) {
1783 HEADER_ITEM *lpItem = &infoPtr->items[infoPtr->iMoveItem];
1784 nWidth = pt.x - lpItem->rect.left + infoPtr->xTrackOffset;
1785 if (!HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ITEMCHANGINGW, infoPtr->iMoveItem, HDI_WIDTH, nWidth))
1787 INT nOldWidth = lpItem->rect.right - lpItem->rect.left;
1791 if (nWidth < 0) nWidth = 0;
1792 infoPtr->items[infoPtr->iMoveItem].cxy = nWidth;
1793 HEADER_SetItemBounds(infoPtr);
1795 GetClientRect(infoPtr->hwndSelf, &rcClient);
1796 rcScroll = rcClient;
1797 rcScroll.left = lpItem->rect.left + nOldWidth;
1798 ScrollWindowEx(infoPtr->hwndSelf, nWidth - nOldWidth, 0, &rcScroll, &rcClient, NULL, NULL, 0);
1799 InvalidateRect(infoPtr->hwndSelf, &lpItem->rect, FALSE);
1800 UpdateWindow(infoPtr->hwndSelf);
1802 HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ITEMCHANGEDW, infoPtr->iMoveItem, HDI_WIDTH, nWidth);
1807 hdc = GetDC (infoPtr->hwndSelf);
1808 HEADER_DrawTrackLine (infoPtr, hdc, infoPtr->xOldTrack);
1809 infoPtr->xOldTrack = pt.x + infoPtr->xTrackOffset;
1810 if (infoPtr->xOldTrack < infoPtr->items[infoPtr->iMoveItem].rect.left)
1811 infoPtr->xOldTrack = infoPtr->items[infoPtr->iMoveItem].rect.left;
1812 HEADER_DrawTrackLine (infoPtr, hdc, infoPtr->xOldTrack);
1813 ReleaseDC (infoPtr->hwndSelf, hdc);
1814 iTrackWidth = infoPtr->xOldTrack - infoPtr->items[infoPtr->iMoveItem].rect.left;
1815 /* FIXME: should stop tracking if HDN_TRACK returns TRUE */
1816 HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_TRACKW, infoPtr->iMoveItem, HDI_WIDTH, iTrackWidth);
1819 TRACE("Tracking item %d!\n", infoPtr->iMoveItem);
1823 if (hotTrackEnabled) {
1824 TRACKMOUSEEVENT tme;
1825 if (oldHotItem != infoPtr->iHotItem && !infoPtr->bDragging) {
1826 hdc = GetDC (infoPtr->hwndSelf);
1827 if (oldHotItem != -1) HEADER_RefreshItem (infoPtr, oldHotItem);
1828 if (infoPtr->iHotItem != -1) HEADER_RefreshItem (infoPtr, infoPtr->iHotItem);
1829 ReleaseDC (infoPtr->hwndSelf, hdc);
1831 tme.cbSize = sizeof( tme );
1832 tme.dwFlags = TME_LEAVE;
1833 tme.hwndTrack = infoPtr->hwndSelf;
1834 TrackMouseEvent( &tme );
1842 HEADER_Paint (HEADER_INFO *infoPtr, WPARAM wParam)
1847 hdc = wParam==0 ? BeginPaint (infoPtr->hwndSelf, &ps) : (HDC)wParam;
1848 HEADER_Refresh (infoPtr, hdc);
1850 EndPaint (infoPtr->hwndSelf, &ps);
1856 HEADER_RButtonUp (HEADER_INFO *infoPtr, LPARAM lParam)
1861 pt.x = (short)LOWORD(lParam);
1862 pt.y = (short)HIWORD(lParam);
1864 /* Send a Notify message */
1865 bRet = HEADER_SendSimpleNotify (infoPtr, NM_RCLICK);
1867 /* Change to screen coordinate for WM_CONTEXTMENU */
1868 ClientToScreen(infoPtr->hwndSelf, &pt);
1870 /* Send a WM_CONTEXTMENU message in response to the RBUTTONUP */
1871 SendMessageW( infoPtr->hwndSelf, WM_CONTEXTMENU, (WPARAM) infoPtr->hwndSelf, MAKELPARAM(pt.x, pt.y));
1878 HEADER_SetCursor (HEADER_INFO *infoPtr, LPARAM lParam)
1884 TRACE("code=0x%X id=0x%X\n", LOWORD(lParam), HIWORD(lParam));
1887 ScreenToClient (infoPtr->hwndSelf, &pt);
1889 HEADER_InternalHitTest (infoPtr, &pt, &flags, &nItem);
1891 if (flags == HHT_ONDIVIDER)
1892 SetCursor (infoPtr->hcurDivider);
1893 else if (flags == HHT_ONDIVOPEN)
1894 SetCursor (infoPtr->hcurDivopen);
1896 SetCursor (infoPtr->hcurArrow);
1903 HEADER_SetFont (HEADER_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
1906 HFONT hFont, hOldFont;
1909 infoPtr->hFont = (HFONT)wParam;
1911 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT);
1914 hOldFont = SelectObject (hdc, hFont);
1915 GetTextMetricsW (hdc, &tm);
1916 infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
1917 SelectObject (hdc, hOldFont);
1920 infoPtr->bRectsValid = FALSE;
1923 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1929 static LRESULT HEADER_SetRedraw(HEADER_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
1931 /* ignoring the InvalidateRect calls is handled by user32. But some apps expect
1932 * that we invalidate the header and this has to be done manually */
1935 ret = DefWindowProcW(infoPtr->hwndSelf, WM_SETREDRAW, wParam, lParam);
1937 InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
1941 /* Update the theme handle after a theme change */
1942 static LRESULT HEADER_ThemeChanged(const HEADER_INFO *infoPtr)
1944 HTHEME theme = GetWindowTheme(infoPtr->hwndSelf);
1945 CloseThemeData(theme);
1946 OpenThemeData(infoPtr->hwndSelf, themeClass);
1947 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1952 static LRESULT WINAPI
1953 HEADER_WindowProc (HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
1955 HEADER_INFO *infoPtr = (HEADER_INFO *)GetWindowLongPtrW(hwnd, 0);
1957 TRACE("hwnd=%p msg=%x wparam=%lx lParam=%lx\n", hwnd, msg, wParam, lParam);
1958 if (!infoPtr && (msg != WM_CREATE))
1959 return DefWindowProcW (hwnd, msg, wParam, lParam);
1961 /* case HDM_CLEARFILTER: */
1963 case HDM_CREATEDRAGIMAGE:
1964 return HEADER_CreateDragImage (infoPtr, wParam);
1966 case HDM_DELETEITEM:
1967 return HEADER_DeleteItem (infoPtr, wParam);
1969 /* case HDM_EDITFILTER: */
1971 case HDM_GETBITMAPMARGIN:
1972 return HEADER_GetBitmapMargin(infoPtr);
1974 case HDM_GETIMAGELIST:
1975 return HEADER_GetImageList (infoPtr);
1979 return HEADER_GetItemT (infoPtr, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_GETITEMW);
1981 case HDM_GETITEMCOUNT:
1982 return HEADER_GetItemCount (infoPtr);
1984 case HDM_GETITEMRECT:
1985 return HEADER_GetItemRect (infoPtr, wParam, lParam);
1987 case HDM_GETORDERARRAY:
1988 return HEADER_GetOrderArray(infoPtr, wParam, lParam);
1990 case HDM_GETUNICODEFORMAT:
1991 return HEADER_GetUnicodeFormat (infoPtr);
1994 return HEADER_HitTest (infoPtr, lParam);
1996 case HDM_INSERTITEMA:
1997 case HDM_INSERTITEMW:
1998 return HEADER_InsertItemT (infoPtr, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_INSERTITEMW);
2001 return HEADER_Layout (infoPtr, lParam);
2003 case HDM_ORDERTOINDEX:
2004 return HEADER_OrderToIndex(infoPtr, wParam);
2006 case HDM_SETBITMAPMARGIN:
2007 return HEADER_SetBitmapMargin(infoPtr, wParam);
2009 /* case HDM_SETFILTERCHANGETIMEOUT: */
2011 case HDM_SETHOTDIVIDER:
2012 return HEADER_SetHotDivider(infoPtr, wParam, lParam);
2014 case HDM_SETIMAGELIST:
2015 return HEADER_SetImageList (infoPtr, (HIMAGELIST)lParam);
2019 return HEADER_SetItemT (infoPtr, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_SETITEMW);
2021 case HDM_SETORDERARRAY:
2022 return HEADER_SetOrderArray(infoPtr, wParam, lParam);
2024 case HDM_SETUNICODEFORMAT:
2025 return HEADER_SetUnicodeFormat (infoPtr, wParam);
2028 return HEADER_Create (hwnd, lParam);
2031 return HEADER_Destroy (infoPtr);
2034 return HEADER_NCDestroy (infoPtr);
2040 return DLGC_WANTTAB | DLGC_WANTARROWS;
2043 return HEADER_GetFont (infoPtr);
2045 case WM_LBUTTONDBLCLK:
2046 return HEADER_LButtonDblClk (infoPtr, lParam);
2048 case WM_LBUTTONDOWN:
2049 return HEADER_LButtonDown (infoPtr, lParam);
2052 return HEADER_LButtonUp (infoPtr, lParam);
2055 return HEADER_MouseLeave (infoPtr);
2058 return HEADER_MouseMove (infoPtr, lParam);
2060 case WM_NOTIFYFORMAT:
2061 return HEADER_NotifyFormat (infoPtr, wParam, lParam);
2064 return HEADER_Size (infoPtr);
2066 case WM_THEMECHANGED:
2067 return HEADER_ThemeChanged (infoPtr);
2069 case WM_PRINTCLIENT:
2071 return HEADER_Paint (infoPtr, wParam);
2074 return HEADER_RButtonUp (infoPtr, lParam);
2077 return HEADER_SetCursor (infoPtr, lParam);
2080 return HEADER_SetFont (infoPtr, wParam, lParam);
2083 return HEADER_SetRedraw(infoPtr, wParam, lParam);
2086 if ((msg >= WM_USER) && (msg < WM_APP) && !COMCTL32_IsReflectedMessage(msg))
2087 ERR("unknown msg %04x wp=%04lx lp=%08lx\n",
2088 msg, wParam, lParam );
2089 return DefWindowProcW(hwnd, msg, wParam, lParam);
2095 HEADER_Register (void)
2099 ZeroMemory (&wndClass, sizeof(WNDCLASSW));
2100 wndClass.style = CS_GLOBALCLASS | CS_DBLCLKS;
2101 wndClass.lpfnWndProc = HEADER_WindowProc;
2102 wndClass.cbClsExtra = 0;
2103 wndClass.cbWndExtra = sizeof(HEADER_INFO *);
2104 wndClass.hCursor = LoadCursorW (0, (LPWSTR)IDC_ARROW);
2105 wndClass.lpszClassName = WC_HEADERW;
2107 RegisterClassW (&wndClass);
2112 HEADER_Unregister (void)
2114 UnregisterClassW (WC_HEADERW, NULL);