4 * Copyright 1998 Eric Kohl
5 * Copyright 2000 Eric Kohl for CodeWeavers
6 * Copyright 2003 Maxime Bellenge
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.
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.
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
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).
29 * - Use notification format
30 * - Correct the order maintenance code to preserve valid order
39 #include "wine/unicode.h"
45 #include "imagelist.h"
48 #include "wine/debug.h"
50 WINE_DEFAULT_DEBUG_CHANNEL(header);
60 INT iOrder; /* see documentation of HD_ITEM */
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 */
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 */
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 MAX_HEADER_TEXT_LEN 260
98 #define HDN_UNICODE_OFFSET 20
99 #define HDN_FIRST_UNICODE (HDN_FIRST-HDN_UNICODE_OFFSET)
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)
106 #define HEADER_GetInfoPtr(hwnd) ((HEADER_INFO *)GetWindowLongPtrW(hwnd,0))
108 static BOOL HEADER_PrepareCallbackItems(HWND hwnd, INT iItem, INT reqMask);
109 static void HEADER_FreeCallbackItems(HEADER_ITEM *lpItem);
111 static const WCHAR themeClass[] = {'H','e','a','d','e','r',0};
112 static WCHAR emptyString[] = {0};
114 static void HEADER_DisposeItem(HEADER_ITEM *lpItem)
118 Free(lpItem->pszText);
122 static void HEADER_StoreHDItemInHeader(HEADER_ITEM *lpItem, UINT mask, HDITEMW *phdi, BOOL fUnicode)
124 if (mask & HDI_UNSUPPORTED_FIELDS)
125 FIXME("unsupported header fields %x\n", (mask & HDI_UNSUPPORTED_FIELDS));
127 if (mask & HDI_BITMAP)
128 lpItem->hbm = phdi->hbm;
130 if (mask & HDI_FORMAT)
131 lpItem->fmt = phdi->fmt;
133 if (mask & HDI_LPARAM)
134 lpItem->lParam = phdi->lParam;
136 if (mask & HDI_WIDTH)
137 lpItem->cxy = phdi->cxy;
139 if (mask & HDI_IMAGE)
141 lpItem->iImage = phdi->iImage;
142 if (phdi->iImage == I_IMAGECALLBACK)
143 lpItem->callbackMask |= HDI_IMAGE;
145 lpItem->callbackMask &= ~HDI_IMAGE;
152 Free(lpItem->pszText);
153 lpItem->pszText = NULL;
156 if (phdi->pszText != LPSTR_TEXTCALLBACKW) /* covers != TEXTCALLBACKA too */
158 LPWSTR pszText = (phdi->pszText != NULL ? phdi->pszText : emptyString);
160 Str_SetPtrW(&lpItem->pszText, pszText);
162 Str_SetPtrAtoW(&lpItem->pszText, (LPSTR)pszText);
163 lpItem->callbackMask &= ~HDI_TEXT;
167 lpItem->pszText = NULL;
168 lpItem->callbackMask |= HDI_TEXT;
173 inline static LRESULT
174 HEADER_IndexToOrder (HWND hwnd, INT iItem)
176 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
177 HEADER_ITEM *lpItem = &infoPtr->items[iItem];
178 return lpItem->iOrder;
183 HEADER_OrderToIndex(HWND hwnd, WPARAM wParam)
185 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
186 INT iorder = (INT)wParam;
188 if ((iorder <0) || iorder >= infoPtr->uNumItem)
190 return infoPtr->order[iorder];
194 HEADER_SetItemBounds (HWND hwnd)
196 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
202 infoPtr->bRectsValid = TRUE;
204 if (infoPtr->uNumItem == 0)
207 GetClientRect (hwnd, &rect);
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;
215 phdi->rect.right = phdi->rect.left + ((phdi->cxy>0)?phdi->cxy:0);
216 x = phdi->rect.right;
221 HEADER_Size (HWND hwnd, WPARAM wParam)
223 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
225 infoPtr->bRectsValid = FALSE;
232 HEADER_DrawItem (HWND hwnd, HDC hdc, INT iItem, BOOL bHotTrack)
234 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
235 HEADER_ITEM *phdi = &infoPtr->items[iItem];
237 INT oldBkMode, cxEdge = GetSystemMetrics(SM_CXEDGE);
238 HTHEME theme = GetWindowTheme (hwnd);
241 TRACE("DrawItem(iItem %d bHotTrack %d unicode flag %d)\n", iItem, bHotTrack, (infoPtr->nNotifyFormat == NFR_UNICODE));
243 if (!infoPtr->bRectsValid)
244 HEADER_SetItemBounds(hwnd);
247 if (r.right - r.left == 0)
248 return phdi->rect.right;
251 int state = (phdi->bDown) ? HIS_PRESSED :
252 (bHotTrack ? HIS_HOT : HIS_NORMAL);
253 DrawThemeBackground (theme, hdc, HP_HEADERITEM, state,
255 GetThemeBackgroundContentRect (theme, hdc, HP_HEADERITEM, state,
259 if (GetWindowLongW (hwnd, GWL_STYLE) & HDS_BUTTONS) {
261 DrawEdge (hdc, &r, BDR_RAISEDOUTER,
262 BF_RECT | BF_FLAT | BF_MIDDLE | BF_ADJUST);
265 DrawEdge (hdc, &r, EDGE_RAISED,
266 BF_RECT | BF_SOFT | BF_MIDDLE | BF_ADJUST);
269 DrawEdge (hdc, &r, EDGE_ETCHED, BF_BOTTOM | BF_RIGHT | BF_ADJUST);
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));
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;
288 nmcd.dwItemSpec = iItem;
290 nmcd.uItemState = phdi->bDown ? CDIS_SELECTED : 0;
291 nmcd.lItemlParam = phdi->lParam;
293 SendMessageW (infoPtr->hwndNotify, WM_NOTIFY, nmcd.hdr.idFrom, (LPARAM)&nmcd);
295 if (phdi->fmt & HDF_OWNERDRAW) {
298 dis.CtlType = ODT_HEADER;
299 dis.CtlID = GetWindowLongPtrW (hwnd, GWLP_ID);
301 dis.itemAction = ODA_DRAWENTIRE;
302 dis.itemState = phdi->bDown ? ODS_SELECTED : 0;
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);
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 */
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;
327 HBRUSH hbr = CreateSolidBrush(GetBkColor(hdc));
328 RECT rcBackground = r;
330 rcBackground.right -= cxEdge;
331 rcBackground.left += cxEdge;
332 FillRect(hdc, &rcBackground, hbr);
335 if (phdi->fmt & HDF_STRING) {
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;
343 if ((phdi->fmt & HDF_IMAGE) && (infoPtr->himl)) {
344 iw = infoPtr->himl->cx + 2 * infoPtr->iMargin;
349 if ((phdi->fmt & HDF_BITMAP) && (phdi->hbm)) {
350 GetObjectW (phdi->hbm, sizeof(BITMAP), (LPVOID)&bmp);
351 bw = bmp.bmWidth + 2 * infoPtr->iMargin;
361 /* align cx using the unclipped cw */
362 if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_LEFT)
364 else if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_CENTER)
365 cx = r.left + rw / 2 - cw / 2;
372 if (cx + cw > r.right)
375 tx = cx + infoPtr->iMargin;
376 /* since cw might have changed we have to recalculate tw */
377 tw = cw - infoPtr->iMargin * 2;
381 if (phdi->fmt & HDF_BITMAP_ON_RIGHT) {
382 /* put pic behind text */
383 *x = cx + tw + infoPtr->iMargin * 3;
385 *x = cx + infoPtr->iMargin;
386 /* move text behind pic */
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
396 if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_RIGHT)
397 bx = cx - bw + infoPtr->iMargin;
399 bx = cx + cw + infoPtr->iMargin;
403 HDC hClipDC = GetDC(hwnd);
404 HRGN hClipRgn = CreateRectRgn(r.left, r.top, r.right, r.bottom);
405 SelectClipRgn(hClipDC, hClipRgn);
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);
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);
421 DeleteObject(hClipRgn);
422 ReleaseDC(hwnd, hClipDC);
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);
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);
437 HEADER_FreeCallbackItems(phdi);
440 return phdi->rect.right;
445 HEADER_Refresh (HWND hwnd, HDC hdc)
447 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
448 HFONT hFont, hOldFont;
453 HTHEME theme = GetWindowTheme (hwnd);
455 /* get rect for the bar, adjusted for the border */
456 GetClientRect (hwnd, &rect);
458 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT);
459 hOldFont = SelectObject (hdc, hFont);
461 /* draw Background */
462 if (infoPtr->uNumItem == 0 && theme == NULL) {
463 hbrBk = GetSysColorBrush(COLOR_3DFACE);
464 FillRect(hdc, &rect, hbrBk);
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);
473 if ((x <= rect.right) && (infoPtr->uNumItem > 0)) {
476 DrawThemeBackground (theme, hdc, HP_HEADERITEM, HIS_NORMAL, &rect,
480 if (GetWindowLongW (hwnd, GWL_STYLE) & HDS_BUTTONS)
481 DrawEdge (hdc, &rect, EDGE_RAISED, BF_TOP|BF_LEFT|BF_BOTTOM|BF_SOFT|BF_MIDDLE);
483 DrawEdge (hdc, &rect, EDGE_ETCHED, BF_BOTTOM|BF_MIDDLE);
487 SelectObject (hdc, hOldFont);
492 HEADER_RefreshItem (HWND hwnd, HDC hdc, INT iItem)
494 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
495 HFONT hFont, hOldFont;
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);
505 HEADER_InternalHitTest (HWND hwnd, LPPOINT lpPt, UINT *pFlags, INT *pItem)
507 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
513 GetClientRect (hwnd, &rect);
517 if (PtInRect (&rect, *lpPt))
519 if (infoPtr->uNumItem == 0) {
520 *pFlags |= HHT_NOWHERE;
526 /* somewhere inside */
527 for (iCount = 0; iCount < infoPtr->uNumItem; iCount++) {
528 rect = infoPtr->items[iCount].rect;
529 width = rect.right - rect.left;
534 if (PtInRect (&rect, *lpPt)) {
535 if (width <= 2 * DIVIDER_WIDTH) {
536 *pFlags |= HHT_ONHEADER;
538 TRACE("ON HEADER %d\n", iCount);
543 rcTest.right = rcTest.left + DIVIDER_WIDTH;
544 if (PtInRect (&rcTest, *lpPt)) {
546 *pFlags |= HHT_ONDIVOPEN;
548 TRACE("ON DIVOPEN %d\n", *pItem);
552 *pFlags |= HHT_ONDIVIDER;
554 TRACE("ON DIVIDER %d\n", *pItem);
560 rcTest.left = rcTest.right - DIVIDER_WIDTH;
561 if (PtInRect (&rcTest, *lpPt)) {
562 *pFlags |= HHT_ONDIVIDER;
564 TRACE("ON DIVIDER %d\n", *pItem);
568 *pFlags |= HHT_ONHEADER;
570 TRACE("ON HEADER %d\n", iCount);
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)) {
581 *pFlags |= HHT_ONDIVOPEN;
582 *pItem = infoPtr->uNumItem - 1;
583 TRACE("ON DIVOPEN %d\n", *pItem);
587 *pFlags |= HHT_ONDIVIDER;
588 *pItem = infoPtr->uNumItem-1;
589 TRACE("ON DIVIDER %d\n", *pItem);
594 *pFlags |= HHT_NOWHERE;
601 if (lpPt->x < rect.left) {
603 *pFlags |= HHT_TOLEFT;
605 else if (lpPt->x > rect.right) {
607 *pFlags |= HHT_TORIGHT;
610 if (lpPt->y < rect.top) {
612 *pFlags |= HHT_ABOVE;
614 else if (lpPt->y > rect.bottom) {
616 *pFlags |= HHT_BELOW;
621 TRACE("flags=0x%X\n", *pFlags);
627 HEADER_DrawTrackLine (HWND hwnd, HDC hdc, INT x)
633 GetClientRect (hwnd, &rect);
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);
645 * Convert a HDITEM into the correct format (ANSI/Unicode) to send it in a notify
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
655 * NOTE: We depend on HDITEMA and HDITEMW having the same structure
657 static void HEADER_CopyHDItemForNotify(HEADER_INFO *infoPtr, HDITEMW *dest,
658 HDITEMW *src, BOOL fSourceUnicode, LPVOID *ppvScratch)
663 if (src->mask & HDI_TEXT && src->pszText != LPSTR_TEXTCALLBACKW) /* covers TEXTCALLBACKA as well */
665 if (fSourceUnicode && infoPtr->nNotifyFormat != NFR_UNICODE)
667 dest->pszText = NULL;
668 Str_SetPtrWtoA((LPSTR *)&dest->pszText, src->pszText);
669 *ppvScratch = dest->pszText;
672 if (!fSourceUnicode && infoPtr->nNotifyFormat == NFR_UNICODE)
674 dest->pszText = NULL;
675 Str_SetPtrAtoW(&dest->pszText, (LPSTR)src->pszText);
676 *ppvScratch = dest->pszText;
681 static UINT HEADER_NotifyCodeWtoA(UINT code)
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;
691 HEADER_SendSimpleNotify (HWND hwnd, UINT code)
693 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
696 nmhdr.hwndFrom = hwnd;
697 nmhdr.idFrom = GetWindowLongPtrW (hwnd, GWLP_ID);
700 return (BOOL)SendMessageW (infoPtr->hwndNotify, WM_NOTIFY,
701 (WPARAM)nmhdr.idFrom, (LPARAM)&nmhdr);
705 HEADER_SendHeaderNotifyT (HWND hwnd, UINT code, INT iItem, INT mask, HDITEMW *lpItem)
707 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
713 /* lpItem == NULL means that we should take the actual data from the item */
716 FIXME("(): invalid parameters - lpItem == NULL and (mask & HDI_TEXT)\n");
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;
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));
736 nmhdr.pitem = lpItem;
738 return (BOOL)SendMessageW (infoPtr->hwndNotify, WM_NOTIFY,
739 (WPARAM)nmhdr.hdr.idFrom, (LPARAM)&nmhdr);
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.
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
755 * @return TRUE on success, else FALSE
758 HEADER_PrepareCallbackItems(HWND hwnd, INT iItem, INT reqMask)
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;
768 if (mask&HDI_TEXT && lpItem->pszText != NULL)
770 ERR("(): function called without a call to FreeCallbackItems\n");
771 Free(lpItem->pszText);
772 lpItem->pszText = NULL;
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)
780 dispInfo.hdr.code = HDN_GETDISPINFOW;
782 pvBuffer = Alloc(MAX_HEADER_TEXT_LEN * sizeof(WCHAR));
786 dispInfo.hdr.code = HDN_GETDISPINFOA;
788 pvBuffer = Alloc(MAX_HEADER_TEXT_LEN * sizeof(CHAR));
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;
796 TRACE("Sending HDN_GETDISPINFO%c\n", infoPtr->nNotifyFormat == NFR_UNICODE?'W':'A');
797 SendMessageW(infoPtr->hwndNotify, WM_NOTIFY,
798 (WPARAM) dispInfo.hdr.idFrom,
801 TRACE("SendMessage returns(mask:0x%x,str:%s,lParam:%p)\n",
803 (infoPtr->nNotifyFormat == NFR_UNICODE ? debugstr_w(dispInfo.pszText) : (LPSTR) dispInfo.pszText),
804 (void*) dispInfo.lParam);
806 if (mask & HDI_IMAGE)
807 lpItem->iImage = dispInfo.iImage;
810 if (infoPtr->nNotifyFormat == NFR_UNICODE)
812 lpItem->pszText = (LPWSTR)pvBuffer;
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);
820 Str_SetPtrAtoW(&lpItem->pszText, (LPSTR)dispInfo.pszText);
825 if (dispInfo.mask & HDI_DI_SETITEM)
827 /* make the items permanent */
828 lpItem->callbackMask &= ~dispInfo.mask;
836 * Free the items that might be allocated with HEADER_PrepareCallbackItems
839 * [I] lpItem : the item to free the data
843 HEADER_FreeCallbackItems(HEADER_ITEM *lpItem)
845 if (lpItem->callbackMask&HDI_TEXT && lpItem->pszText != NULL)
847 Free(lpItem->pszText);
848 lpItem->pszText = NULL;
851 if (lpItem->callbackMask&HDI_IMAGE)
852 lpItem->iImage = I_IMAGECALLBACK;
856 HEADER_SendClickNotify (HWND hwnd, UINT code, INT iItem)
858 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
861 nmhdr.hdr.hwndFrom = hwnd;
862 nmhdr.hdr.idFrom = GetWindowLongPtrW (hwnd, GWLP_ID);
863 nmhdr.hdr.code = code;
868 return (BOOL)SendMessageA (infoPtr->hwndNotify, WM_NOTIFY,
869 (WPARAM)nmhdr.hdr.idFrom, (LPARAM)&nmhdr);
874 HEADER_CreateDragImage (HWND hwnd, WPARAM wParam)
876 FIXME("empty stub!\n");
882 HEADER_DeleteItem (HWND hwnd, WPARAM wParam)
884 HEADER_INFO *infoPtr = HEADER_GetInfoPtr(hwnd);
885 INT iItem = (INT)wParam;
887 TRACE("[iItem=%d]\n", iItem);
889 if ((iItem < 0) || (iItem >= (INT)infoPtr->uNumItem))
892 if (infoPtr->uNumItem == 1) {
893 TRACE("Simple delete!\n");
894 HEADER_DisposeItem(&infoPtr->items[0]);
895 Free (infoPtr->items);
896 Free(infoPtr->order);
899 infoPtr->uNumItem = 0;
902 HEADER_ITEM *oldItems = infoPtr->items;
905 TRACE("Complex delete! [iItem=%d]\n", iItem);
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;
913 infoPtr->items = Alloc (sizeof (HEADER_ITEM) * infoPtr->uNumItem);
914 /* pre delete copy */
916 memcpy (&infoPtr->items[0], &oldItems[0],
917 iItem * sizeof(HEADER_ITEM));
920 /* post delete copy */
921 if (iItem < infoPtr->uNumItem) {
922 memcpy (&infoPtr->items[iItem], &oldItems[iItem+1],
923 (infoPtr->uNumItem - iItem) * sizeof(HEADER_ITEM));
926 /* Correct the orders */
927 if (iOrder < infoPtr->uNumItem)
929 memmove(&infoPtr->order[iOrder], &infoPtr->order[iOrder + 1],
930 (infoPtr->uNumItem - iOrder) * sizeof(INT));
931 for (i = 0; i < infoPtr->uNumItem; i++)
933 if (infoPtr->order[i] > iItem)
936 infoPtr->items[infoPtr->order[i]].iOrder = infoPtr->order[i];
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);
945 HEADER_SetItemBounds (hwnd);
947 InvalidateRect(hwnd, NULL, FALSE);
954 HEADER_GetImageList (HWND hwnd)
956 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
958 return (LRESULT)infoPtr->himl;
963 HEADER_GetItemT (HWND hwnd, INT nItem, LPHDITEMW phdi, BOOL bUnicode)
965 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
967 UINT mask = phdi->mask;
972 TRACE("[nItem=%d]\n", nItem);
976 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
979 if (mask & HDI_UNKNOWN_FIELDS)
981 TRACE("mask %x contains unknown fields. Using only comctl32 4.0 fields\n", mask);
982 mask &= HDI_COMCTL32_4_0_FIELDS;
985 lpItem = &infoPtr->items[nItem];
986 HEADER_PrepareCallbackItems(hwnd, nItem, mask);
988 if (mask & HDI_BITMAP)
989 phdi->hbm = lpItem->hbm;
991 if (mask & HDI_FORMAT)
992 phdi->fmt = lpItem->fmt;
994 if (mask & HDI_WIDTH)
995 phdi->cxy = lpItem->cxy;
997 if (mask & HDI_LPARAM)
998 phdi->lParam = lpItem->lParam;
1000 if (mask & HDI_IMAGE)
1001 phdi->iImage = lpItem->iImage;
1003 if (mask & HDI_ORDER)
1004 phdi->iOrder = lpItem->iOrder;
1006 if (mask & HDI_TEXT)
1009 Str_GetPtrW (lpItem->pszText, phdi->pszText, phdi->cchTextMax);
1011 Str_GetPtrWtoA (lpItem->pszText, (LPSTR)phdi->pszText, phdi->cchTextMax);
1014 HEADER_FreeCallbackItems(lpItem);
1019 inline static LRESULT
1020 HEADER_GetItemCount (HWND hwnd)
1022 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1023 return infoPtr->uNumItem;
1028 HEADER_GetItemRect (HWND hwnd, WPARAM wParam, LPARAM lParam)
1030 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1031 INT iItem = (INT)wParam;
1032 LPRECT lpRect = (LPRECT)lParam;
1034 if ((iItem < 0) || (iItem >= (INT)infoPtr->uNumItem))
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;
1047 HEADER_GetOrderArray(HWND hwnd, WPARAM wParam, LPARAM lParam)
1049 LPINT order = (LPINT) lParam;
1050 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1052 if ((unsigned int)wParam <infoPtr->uNumItem)
1055 memcpy(order, infoPtr->order, infoPtr->uNumItem * sizeof(INT));
1060 HEADER_SetOrderArray(HWND hwnd, WPARAM wParam, LPARAM lParam)
1063 LPINT order = (LPINT) lParam;
1064 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1065 HEADER_ITEM *lpItem;
1067 if ((unsigned int)wParam <infoPtr->uNumItem)
1069 memcpy(infoPtr->order, order, infoPtr->uNumItem * sizeof(INT));
1070 for (i=0; i<(int)wParam; i++)
1072 lpItem = &infoPtr->items[*order++];
1075 infoPtr->bRectsValid=0;
1076 InvalidateRect(hwnd, NULL, FALSE);
1080 inline static LRESULT
1081 HEADER_GetUnicodeFormat (HWND hwnd)
1083 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1084 return (infoPtr->nNotifyFormat == NFR_UNICODE);
1089 HEADER_HitTest (HWND hwnd, WPARAM wParam, LPARAM lParam)
1091 LPHDHITTESTINFO phti = (LPHDHITTESTINFO)lParam;
1093 HEADER_InternalHitTest (hwnd, &phti->pt, &phti->flags, &phti->iItem);
1095 if (phti->flags == HHT_NOWHERE)
1103 HEADER_InsertItemT (HWND hwnd, INT nItem, LPHDITEMW phdi, BOOL bUnicode)
1105 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1106 HEADER_ITEM *lpItem;
1111 if ((phdi == NULL) || (nItem < 0) || (phdi->mask == 0))
1114 if (nItem > infoPtr->uNumItem)
1115 nItem = infoPtr->uNumItem;
1117 iOrder = (phdi->mask & HDI_ORDER) ? phdi->iOrder : nItem;
1120 else if (infoPtr->uNumItem < iOrder)
1121 iOrder = infoPtr->uNumItem;
1123 if (infoPtr->uNumItem == 0) {
1124 infoPtr->items = Alloc (sizeof (HEADER_ITEM));
1125 infoPtr->order = Alloc(sizeof(INT));
1126 infoPtr->uNumItem++;
1129 HEADER_ITEM *oldItems = infoPtr->items;
1130 INT *oldOrder = infoPtr->order;
1132 infoPtr->uNumItem++;
1133 infoPtr->items = Alloc (sizeof (HEADER_ITEM) * infoPtr->uNumItem);
1135 memcpy (&infoPtr->items[1], &oldItems[0],
1136 (infoPtr->uNumItem-1) * sizeof(HEADER_ITEM));
1140 /* pre insert copy */
1142 memcpy (&infoPtr->items[0], &oldItems[0],
1143 nItem * sizeof(HEADER_ITEM));
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));
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));
1163 for (i = 0; i < infoPtr->uNumItem; i++)
1165 if (i != iOrder && infoPtr->order[i] >= nItem)
1166 infoPtr->order[i]++;
1167 infoPtr->items[infoPtr->order[i]].iOrder = infoPtr->order[i];
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);
1176 /* set automatically some format bits */
1177 if (phdi->mask & HDI_TEXT)
1178 lpItem->fmt |= HDF_STRING;
1180 lpItem->fmt &= ~HDF_STRING;
1182 if (lpItem->hbm != NULL)
1183 lpItem->fmt |= HDF_BITMAP;
1185 lpItem->fmt &= ~HDF_BITMAP;
1187 if (phdi->mask & HDI_IMAGE)
1188 lpItem->fmt |= HDF_IMAGE;
1190 lpItem->iOrder = iOrder;
1192 HEADER_SetItemBounds (hwnd);
1194 InvalidateRect(hwnd, NULL, FALSE);
1201 HEADER_Layout (HWND hwnd, WPARAM wParam, LPARAM lParam)
1203 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1204 LPHDLAYOUT lpLayout = (LPHDLAYOUT)lParam;
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;
1214 lpLayout->pwpos->cy = infoPtr->nHeight;
1215 lpLayout->prc->top += infoPtr->nHeight;
1217 lpLayout->pwpos->flags = SWP_NOZORDER;
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);
1223 infoPtr->bRectsValid = FALSE;
1230 HEADER_SetImageList (HWND hwnd, HIMAGELIST himl)
1232 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1235 TRACE("(himl %p)\n", himl);
1236 himlOld = infoPtr->himl;
1237 infoPtr->himl = himl;
1239 /* FIXME: Refresh needed??? */
1241 return (LRESULT)himlOld;
1246 HEADER_GetBitmapMargin(HWND hwnd)
1248 HEADER_INFO *infoPtr = HEADER_GetInfoPtr(hwnd);
1250 return infoPtr->iMargin;
1254 HEADER_SetBitmapMargin(HWND hwnd, WPARAM wParam)
1256 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1257 INT oldMargin = infoPtr->iMargin;
1259 infoPtr->iMargin = (INT)wParam;
1265 HEADER_SetItemT (HWND hwnd, INT nItem, LPHDITEMW phdi, BOOL bUnicode)
1267 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1268 HEADER_ITEM *lpItem;
1274 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
1277 TRACE("[nItem=%d]\n", nItem);
1279 HEADER_CopyHDItemForNotify(infoPtr, &hdNotify, phdi, bUnicode, &pvScratch);
1280 if (HEADER_SendHeaderNotifyT (hwnd, HDN_ITEMCHANGINGW, nItem, phdi->mask, &hdNotify))
1282 if (pvScratch) Free(pvScratch);
1286 lpItem = &infoPtr->items[nItem];
1287 HEADER_StoreHDItemInHeader(lpItem, phdi->mask, phdi, bUnicode);
1289 if (phdi->mask & HDI_ORDER)
1293 if (lpItem->iOrder < phdi->iOrder)
1295 memmove(&infoPtr->order[lpItem->iOrder],
1296 &infoPtr->order[lpItem->iOrder + 1],
1297 (phdi->iOrder - lpItem->iOrder) * sizeof(INT));
1299 if (phdi->iOrder < lpItem->iOrder)
1301 memmove(&infoPtr->order[phdi->iOrder + 1],
1302 &infoPtr->order[phdi->iOrder],
1303 (lpItem->iOrder - phdi->iOrder) * sizeof(INT));
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++)
1310 infoPtr->items[infoPtr->order[i]].iOrder = infoPtr->order[i];
1314 HEADER_SendHeaderNotifyT (hwnd, HDN_ITEMCHANGEDW, nItem, phdi->mask, &hdNotify);
1316 HEADER_SetItemBounds (hwnd);
1318 InvalidateRect(hwnd, NULL, FALSE);
1320 if (pvScratch != NULL)
1325 inline static LRESULT
1326 HEADER_SetUnicodeFormat (HWND hwnd, WPARAM wParam)
1328 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1329 BOOL bTemp = (infoPtr->nNotifyFormat == NFR_UNICODE);
1331 infoPtr->nNotifyFormat = ((BOOL)wParam ? NFR_UNICODE : NFR_ANSI);
1338 HEADER_Create (HWND hwnd, WPARAM wParam, LPARAM lParam)
1340 HEADER_INFO *infoPtr;
1345 infoPtr = (HEADER_INFO *)Alloc (sizeof(HEADER_INFO));
1346 SetWindowLongPtrW (hwnd, 0, (DWORD_PTR)infoPtr);
1348 infoPtr->hwndNotify = ((LPCREATESTRUCTA)lParam)->hwndParent;
1349 infoPtr->uNumItem = 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;
1361 infoPtr->iHotItem = -1;
1362 infoPtr->iMargin = 3*GetSystemMetrics(SM_CXEDGE);
1363 infoPtr->nNotifyFormat =
1364 SendMessageW (infoPtr->hwndNotify, WM_NOTIFYFORMAT, (WPARAM)hwnd, NF_QUERY);
1367 hOldFont = SelectObject (hdc, GetStockObject (SYSTEM_FONT));
1368 GetTextMetricsW (hdc, &tm);
1369 infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
1370 SelectObject (hdc, hOldFont);
1373 OpenThemeData(hwnd, themeClass);
1380 HEADER_Destroy (HWND hwnd, WPARAM wParam, LPARAM lParam)
1382 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1383 HEADER_ITEM *lpItem;
1387 if (infoPtr->items) {
1388 lpItem = infoPtr->items;
1389 for (nItem = 0; nItem < infoPtr->uNumItem; nItem++, lpItem++) {
1390 HEADER_DisposeItem(lpItem);
1392 Free (infoPtr->items);
1396 Free(infoPtr->order);
1399 ImageList_Destroy (infoPtr->himl);
1401 SetWindowLongPtrW (hwnd, 0, 0);
1404 theme = GetWindowTheme(hwnd);
1405 CloseThemeData(theme);
1410 static inline LRESULT
1411 HEADER_GetFont (HWND hwnd)
1413 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1415 return (LRESULT)infoPtr->hFont;
1420 HEADER_LButtonDblClk (HWND hwnd, WPARAM wParam, LPARAM lParam)
1426 pt.x = (INT)LOWORD(lParam);
1427 pt.y = (INT)HIWORD(lParam);
1428 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
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);
1440 HEADER_LButtonDown (HWND hwnd, WPARAM wParam, LPARAM lParam)
1442 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1443 DWORD dwStyle = GetWindowLongW (hwnd, GWL_STYLE);
1449 pt.x = (INT)LOWORD(lParam);
1450 pt.y = (INT)HIWORD(lParam);
1451 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1453 if ((dwStyle & HDS_BUTTONS) && (flags == HHT_ONHEADER)) {
1455 infoPtr->bCaptured = TRUE;
1456 infoPtr->bPressed = TRUE;
1457 infoPtr->iMoveItem = nItem;
1459 infoPtr->items[nItem].bDown = TRUE;
1461 /* Send WM_CUSTOMDRAW */
1463 HEADER_RefreshItem (hwnd, hdc, nItem);
1464 ReleaseDC (hwnd, hdc);
1466 TRACE("Pressed item %d!\n", nItem);
1468 else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN)) {
1469 if (!(HEADER_SendHeaderNotifyT (hwnd, HDN_BEGINTRACKW, nItem, HDI_WIDTH, NULL))) {
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;
1477 if (!(dwStyle & HDS_FULLDRAG)) {
1478 infoPtr->xOldTrack = infoPtr->items[nItem].rect.right;
1480 HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
1481 ReleaseDC (hwnd, hdc);
1484 TRACE("Begin tracking item %d!\n", nItem);
1493 HEADER_LButtonUp (HWND hwnd, WPARAM wParam, LPARAM lParam)
1495 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1496 DWORD dwStyle = GetWindowLongW (hwnd, GWL_STYLE);
1502 pt.x = (INT)(SHORT)LOWORD(lParam);
1503 pt.y = (INT)(SHORT)HIWORD(lParam);
1504 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1506 if (infoPtr->bPressed) {
1507 if ((nItem == infoPtr->iMoveItem) && (flags == HHT_ONHEADER)) {
1508 infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
1510 HEADER_RefreshItem (hwnd, hdc, infoPtr->iMoveItem);
1511 ReleaseDC (hwnd, hdc);
1513 HEADER_SendClickNotify (hwnd, HDN_ITEMCLICKA, infoPtr->iMoveItem);
1515 else if (flags == HHT_ONHEADER)
1517 HEADER_ITEM *lpItem;
1518 INT newindex = HEADER_IndexToOrder(hwnd,nItem);
1519 INT oldindex = HEADER_IndexToOrder(hwnd,infoPtr->iMoveItem);
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;
1526 lpItem= &infoPtr->items[infoPtr->iMoveItem];
1527 lpItem->iOrder = newindex;
1529 infoPtr->order[oldindex] = nItem;
1530 infoPtr->order[newindex] = infoPtr->iMoveItem;
1532 infoPtr->bRectsValid = FALSE;
1533 InvalidateRect(hwnd, NULL, FALSE);
1534 /* FIXME: Should some WM_NOTIFY be sent */
1537 TRACE("Released item %d!\n", infoPtr->iMoveItem);
1538 infoPtr->bPressed = FALSE;
1540 else if (infoPtr->bTracking) {
1541 TRACE("End tracking item %d!\n", infoPtr->iMoveItem);
1542 infoPtr->bTracking = FALSE;
1544 HEADER_SendHeaderNotifyT (hwnd, HDN_ENDTRACKW, infoPtr->iMoveItem, HDI_WIDTH, NULL);
1546 if (!(dwStyle & HDS_FULLDRAG)) {
1548 HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
1549 ReleaseDC (hwnd, hdc);
1552 if (HEADER_SendHeaderNotifyT(hwnd, HDN_ITEMCHANGINGW, infoPtr->iMoveItem, HDI_WIDTH, NULL))
1554 infoPtr->items[infoPtr->iMoveItem].cxy = infoPtr->nOldWidth;
1557 nWidth = pt.x - infoPtr->items[infoPtr->iMoveItem].rect.left + infoPtr->xTrackOffset;
1560 infoPtr->items[infoPtr->iMoveItem].cxy = nWidth;
1563 HEADER_SetItemBounds (hwnd);
1564 InvalidateRect(hwnd, NULL, TRUE);
1565 HEADER_SendHeaderNotifyT(hwnd, HDN_ITEMCHANGEDW, infoPtr->iMoveItem, HDI_WIDTH, NULL);
1568 if (infoPtr->bCaptured) {
1569 infoPtr->bCaptured = FALSE;
1571 HEADER_SendSimpleNotify (hwnd, NM_RELEASEDCAPTURE);
1579 HEADER_NotifyFormat (HWND hwnd, WPARAM wParam, LPARAM lParam)
1581 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1586 return infoPtr->nNotifyFormat;
1589 infoPtr->nNotifyFormat =
1590 SendMessageW ((HWND)wParam, WM_NOTIFYFORMAT,
1591 (WPARAM)hwnd, (LPARAM)NF_QUERY);
1592 return infoPtr->nNotifyFormat;
1600 HEADER_MouseLeave (HWND hwnd, WPARAM wParam, LPARAM lParam)
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);
1607 infoPtr->iHotItem = -1;
1608 if (oldHotItem != -1) HEADER_RefreshItem (hwnd, hdc, oldHotItem);
1609 ReleaseDC (hwnd, hdc);
1616 HEADER_MouseMove (HWND hwnd, WPARAM wParam, LPARAM lParam)
1618 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1619 DWORD dwStyle = GetWindowLongW (hwnd, GWL_STYLE);
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;
1630 pt.x = (INT)(SHORT)LOWORD(lParam);
1631 pt.y = (INT)(SHORT)HIWORD(lParam);
1632 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1634 if (hotTrackEnabled) {
1635 if (flags & (HHT_ONHEADER | HHT_ONDIVIDER | HHT_ONDIVOPEN))
1636 infoPtr->iHotItem = nItem;
1638 infoPtr->iHotItem = -1;
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;
1647 infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
1648 if (oldState != infoPtr->items[infoPtr->iMoveItem].bDown) {
1650 HEADER_RefreshItem (hwnd, hdc, infoPtr->iMoveItem);
1651 ReleaseDC (hwnd, hdc);
1654 TRACE("Moving pressed item %d!\n", infoPtr->iMoveItem);
1656 else if (infoPtr->bTracking) {
1657 if (dwStyle & HDS_FULLDRAG) {
1658 if (!HEADER_SendHeaderNotifyT (hwnd, HDN_ITEMCHANGINGW, infoPtr->iMoveItem, HDI_WIDTH, NULL))
1660 HEADER_ITEM *lpItem = &infoPtr->items[infoPtr->iMoveItem];
1661 INT nOldWidth = lpItem->rect.right - lpItem->rect.left;
1665 nWidth = pt.x - lpItem->rect.left + infoPtr->xTrackOffset;
1666 if (nWidth < 0) nWidth = 0;
1667 infoPtr->items[infoPtr->iMoveItem].cxy = nWidth;
1668 HEADER_SetItemBounds(hwnd);
1670 GetClientRect(hwnd, &rcClient);
1671 rcScroll = rcClient;
1672 rcScroll.left = lpItem->rect.left + nOldWidth;
1673 ScrollWindowEx(hwnd, nWidth - nOldWidth, 0, &rcScroll, &rcClient, NULL, NULL, 0);
1674 InvalidateRect(hwnd, &lpItem->rect, FALSE);
1677 HEADER_SendHeaderNotifyT(hwnd, HDN_ITEMCHANGEDW, infoPtr->iMoveItem, HDI_WIDTH, NULL);
1682 HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
1683 infoPtr->xOldTrack = pt.x + infoPtr->xTrackOffset;
1684 if (infoPtr->xOldTrack < infoPtr->items[infoPtr->iMoveItem].rect.left)
1685 infoPtr->xOldTrack = infoPtr->items[infoPtr->iMoveItem].rect.left;
1686 infoPtr->items[infoPtr->iMoveItem].cxy =
1687 infoPtr->xOldTrack - infoPtr->items[infoPtr->iMoveItem].rect.left;
1688 HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
1689 ReleaseDC (hwnd, hdc);
1690 HEADER_SendHeaderNotifyT (hwnd, HDN_TRACKW, infoPtr->iMoveItem, HDI_WIDTH, NULL);
1693 TRACE("Tracking item %d!\n", infoPtr->iMoveItem);
1697 if (hotTrackEnabled) {
1698 TRACKMOUSEEVENT tme;
1699 if (oldHotItem != infoPtr->iHotItem) {
1701 if (oldHotItem != -1) HEADER_RefreshItem (hwnd, hdc, oldHotItem);
1702 if (infoPtr->iHotItem != -1) HEADER_RefreshItem (hwnd, hdc, infoPtr->iHotItem);
1703 ReleaseDC (hwnd, hdc);
1705 tme.cbSize = sizeof( tme );
1706 tme.dwFlags = TME_LEAVE;
1707 tme.hwndTrack = hwnd;
1708 TrackMouseEvent( &tme );
1716 HEADER_Paint (HWND hwnd, WPARAM wParam)
1721 hdc = wParam==0 ? BeginPaint (hwnd, &ps) : (HDC)wParam;
1722 HEADER_Refresh (hwnd, hdc);
1724 EndPaint (hwnd, &ps);
1730 HEADER_RButtonUp (HWND hwnd, WPARAM wParam, LPARAM lParam)
1735 pt.x = LOWORD(lParam);
1736 pt.y = HIWORD(lParam);
1738 /* Send a Notify message */
1739 bRet = HEADER_SendSimpleNotify (hwnd, NM_RCLICK);
1741 /* Change to screen coordinate for WM_CONTEXTMENU */
1742 ClientToScreen(hwnd, &pt);
1744 /* Send a WM_CONTEXTMENU message in response to the RBUTTONUP */
1745 SendMessageW( hwnd, WM_CONTEXTMENU, (WPARAM) hwnd, MAKELPARAM(pt.x, pt.y));
1752 HEADER_SetCursor (HWND hwnd, WPARAM wParam, LPARAM lParam)
1754 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1759 TRACE("code=0x%X id=0x%X\n", LOWORD(lParam), HIWORD(lParam));
1762 ScreenToClient (hwnd, &pt);
1764 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1766 if (flags == HHT_ONDIVIDER)
1767 SetCursor (infoPtr->hcurDivider);
1768 else if (flags == HHT_ONDIVOPEN)
1769 SetCursor (infoPtr->hcurDivopen);
1771 SetCursor (infoPtr->hcurArrow);
1778 HEADER_SetFont (HWND hwnd, WPARAM wParam, LPARAM lParam)
1780 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1782 HFONT hFont, hOldFont;
1785 infoPtr->hFont = (HFONT)wParam;
1787 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT);
1790 hOldFont = SelectObject (hdc, hFont);
1791 GetTextMetricsW (hdc, &tm);
1792 infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
1793 SelectObject (hdc, hOldFont);
1796 infoPtr->bRectsValid = FALSE;
1799 InvalidateRect(hwnd, NULL, FALSE);
1805 /* Update the theme handle after a theme change */
1806 static LRESULT HEADER_ThemeChanged(HWND hwnd)
1808 HTHEME theme = GetWindowTheme(hwnd);
1809 CloseThemeData(theme);
1810 OpenThemeData(hwnd, themeClass);
1811 InvalidateRect(hwnd, NULL, FALSE);
1816 static LRESULT WINAPI
1817 HEADER_WindowProc (HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
1819 TRACE("hwnd=%p msg=%x wparam=%x lParam=%lx\n", hwnd, msg, wParam, lParam);
1820 if (!HEADER_GetInfoPtr (hwnd) && (msg != WM_CREATE))
1821 return DefWindowProcW (hwnd, msg, wParam, lParam);
1823 /* case HDM_CLEARFILTER: */
1825 case HDM_CREATEDRAGIMAGE:
1826 return HEADER_CreateDragImage (hwnd, wParam);
1828 case HDM_DELETEITEM:
1829 return HEADER_DeleteItem (hwnd, wParam);
1831 /* case HDM_EDITFILTER: */
1833 case HDM_GETBITMAPMARGIN:
1834 return HEADER_GetBitmapMargin(hwnd);
1836 case HDM_GETIMAGELIST:
1837 return HEADER_GetImageList (hwnd);
1841 return HEADER_GetItemT (hwnd, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_GETITEMW);
1843 case HDM_GETITEMCOUNT:
1844 return HEADER_GetItemCount (hwnd);
1846 case HDM_GETITEMRECT:
1847 return HEADER_GetItemRect (hwnd, wParam, lParam);
1849 case HDM_GETORDERARRAY:
1850 return HEADER_GetOrderArray(hwnd, wParam, lParam);
1852 case HDM_GETUNICODEFORMAT:
1853 return HEADER_GetUnicodeFormat (hwnd);
1856 return HEADER_HitTest (hwnd, wParam, lParam);
1858 case HDM_INSERTITEMA:
1859 case HDM_INSERTITEMW:
1860 return HEADER_InsertItemT (hwnd, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_INSERTITEMW);
1863 return HEADER_Layout (hwnd, wParam, lParam);
1865 case HDM_ORDERTOINDEX:
1866 return HEADER_OrderToIndex(hwnd, wParam);
1868 case HDM_SETBITMAPMARGIN:
1869 return HEADER_SetBitmapMargin(hwnd, wParam);
1871 /* case HDM_SETFILTERCHANGETIMEOUT: */
1873 /* case HDM_SETHOTDIVIDER: */
1875 case HDM_SETIMAGELIST:
1876 return HEADER_SetImageList (hwnd, (HIMAGELIST)lParam);
1880 return HEADER_SetItemT (hwnd, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_SETITEMW);
1882 case HDM_SETORDERARRAY:
1883 return HEADER_SetOrderArray(hwnd, wParam, lParam);
1885 case HDM_SETUNICODEFORMAT:
1886 return HEADER_SetUnicodeFormat (hwnd, wParam);
1889 return HEADER_Create (hwnd, wParam, lParam);
1892 return HEADER_Destroy (hwnd, wParam, lParam);
1898 return DLGC_WANTTAB | DLGC_WANTARROWS;
1901 return HEADER_GetFont (hwnd);
1903 case WM_LBUTTONDBLCLK:
1904 return HEADER_LButtonDblClk (hwnd, wParam, lParam);
1906 case WM_LBUTTONDOWN:
1907 return HEADER_LButtonDown (hwnd, wParam, lParam);
1910 return HEADER_LButtonUp (hwnd, wParam, lParam);
1913 return HEADER_MouseLeave (hwnd, wParam, lParam);
1916 return HEADER_MouseMove (hwnd, wParam, lParam);
1918 case WM_NOTIFYFORMAT:
1919 return HEADER_NotifyFormat (hwnd, wParam, lParam);
1922 return HEADER_Size (hwnd, wParam);
1924 case WM_THEMECHANGED:
1925 return HEADER_ThemeChanged (hwnd);
1927 case WM_PRINTCLIENT:
1929 return HEADER_Paint (hwnd, wParam);
1932 return HEADER_RButtonUp (hwnd, wParam, lParam);
1935 return HEADER_SetCursor (hwnd, wParam, lParam);
1938 return HEADER_SetFont (hwnd, wParam, lParam);
1941 if ((msg >= WM_USER) && (msg < WM_APP))
1942 ERR("unknown msg %04x wp=%04x lp=%08lx\n",
1943 msg, wParam, lParam );
1944 return DefWindowProcA (hwnd, msg, wParam, lParam);
1950 HEADER_Register (void)
1954 ZeroMemory (&wndClass, sizeof(WNDCLASSW));
1955 wndClass.style = CS_GLOBALCLASS | CS_DBLCLKS;
1956 wndClass.lpfnWndProc = HEADER_WindowProc;
1957 wndClass.cbClsExtra = 0;
1958 wndClass.cbWndExtra = sizeof(HEADER_INFO *);
1959 wndClass.hCursor = LoadCursorW (0, (LPWSTR)IDC_ARROW);
1960 wndClass.lpszClassName = WC_HEADERW;
1962 RegisterClassW (&wndClass);
1967 HEADER_Unregister (void)
1969 UnregisterClassW (WC_HEADERW, NULL);