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 DWORD dwStyle; /* the cached window GWL_STYLE */
82 INT iMoveItem; /* index of tracked item. (Tracking mode) */
83 INT xTrackOffset; /* distance between the right side of the tracked item and the cursor */
84 INT xOldTrack; /* track offset (see above) after the last WM_MOUSEMOVE */
85 INT iHotItem; /* index of hot item (cursor is over this item) */
86 INT iHotDivider; /* index of the hot divider (used while dragging an item or by HDM_SETHOTDIVIDER) */
87 INT iMargin; /* width of the margin that surrounds a bitmap */
89 HIMAGELIST himl; /* handle to an image list (may be 0) */
90 HEADER_ITEM *items; /* pointer to array of HEADER_ITEM's */
91 INT *order; /* array of item IDs indexed by order */
92 BOOL bRectsValid; /* validity flag for bounding rectangles */
97 #define DIVIDER_WIDTH 10
98 #define HOT_DIVIDER_WIDTH 2
99 #define MAX_HEADER_TEXT_LEN 260
100 #define HDN_UNICODE_OFFSET 20
101 #define HDN_FIRST_UNICODE (HDN_FIRST-HDN_UNICODE_OFFSET)
103 #define HDI_SUPPORTED_FIELDS (HDI_WIDTH|HDI_TEXT|HDI_FORMAT|HDI_LPARAM|HDI_BITMAP|HDI_IMAGE|HDI_ORDER)
104 #define HDI_UNSUPPORTED_FIELDS (HDI_FILTER)
105 #define HDI_UNKNOWN_FIELDS (~(HDI_SUPPORTED_FIELDS|HDI_UNSUPPORTED_FIELDS|HDI_DI_SETITEM))
106 #define HDI_COMCTL32_4_0_FIELDS (HDI_WIDTH|HDI_TEXT|HDI_FORMAT|HDI_LPARAM|HDI_BITMAP)
109 static BOOL HEADER_PrepareCallbackItems(const HEADER_INFO *infoPtr, INT iItem, INT reqMask);
110 static void HEADER_FreeCallbackItems(HEADER_ITEM *lpItem);
111 static LRESULT HEADER_SendNotify(const HEADER_INFO *infoPtr, UINT code, NMHDR *hdr);
112 static LRESULT HEADER_SendCtrlCustomDraw(const HEADER_INFO *infoPtr, DWORD dwDrawStage, HDC hdc, const RECT *rect);
114 static const WCHAR themeClass[] = {'H','e','a','d','e','r',0};
116 static void HEADER_StoreHDItemInHeader(HEADER_ITEM *lpItem, UINT mask, const HDITEMW *phdi, BOOL fUnicode)
118 if (mask & HDI_UNSUPPORTED_FIELDS)
119 FIXME("unsupported header fields %x\n", (mask & HDI_UNSUPPORTED_FIELDS));
121 if (mask & HDI_BITMAP)
122 lpItem->hbm = phdi->hbm;
124 if (mask & HDI_FORMAT)
125 lpItem->fmt = phdi->fmt;
127 if (mask & HDI_LPARAM)
128 lpItem->lParam = phdi->lParam;
130 if (mask & HDI_WIDTH)
131 lpItem->cxy = phdi->cxy;
133 if (mask & HDI_IMAGE)
135 lpItem->iImage = phdi->iImage;
136 if (phdi->iImage == I_IMAGECALLBACK)
137 lpItem->callbackMask |= HDI_IMAGE;
139 lpItem->callbackMask &= ~HDI_IMAGE;
144 Free(lpItem->pszText);
145 lpItem->pszText = NULL;
147 if (phdi->pszText != LPSTR_TEXTCALLBACKW) /* covers != TEXTCALLBACKA too */
149 static const WCHAR emptyString[] = {0};
151 LPCWSTR pszText = (phdi->pszText != NULL ? phdi->pszText : emptyString);
153 Str_SetPtrW(&lpItem->pszText, pszText);
155 Str_SetPtrAtoW(&lpItem->pszText, (LPCSTR)pszText);
156 lpItem->callbackMask &= ~HDI_TEXT;
160 lpItem->pszText = NULL;
161 lpItem->callbackMask |= HDI_TEXT;
166 static inline LRESULT
167 HEADER_IndexToOrder (const HEADER_INFO *infoPtr, INT iItem)
169 HEADER_ITEM *lpItem = &infoPtr->items[iItem];
170 return lpItem->iOrder;
175 HEADER_OrderToIndex(const HEADER_INFO *infoPtr, INT iorder)
177 if ((iorder <0) || iorder >= infoPtr->uNumItem)
179 return infoPtr->order[iorder];
183 HEADER_ChangeItemOrder(const HEADER_INFO *infoPtr, INT iItem, INT iNewOrder)
185 HEADER_ITEM *lpItem = &infoPtr->items[iItem];
188 TRACE("%d: %d->%d\n", iItem, lpItem->iOrder, iNewOrder);
189 if (lpItem->iOrder < iNewOrder)
191 memmove(&infoPtr->order[lpItem->iOrder],
192 &infoPtr->order[lpItem->iOrder + 1],
193 (iNewOrder - lpItem->iOrder) * sizeof(INT));
195 if (iNewOrder < lpItem->iOrder)
197 memmove(&infoPtr->order[iNewOrder + 1],
198 &infoPtr->order[iNewOrder],
199 (lpItem->iOrder - iNewOrder) * sizeof(INT));
201 infoPtr->order[iNewOrder] = iItem;
202 nMin = min(lpItem->iOrder, iNewOrder);
203 nMax = max(lpItem->iOrder, iNewOrder);
204 for (i = nMin; i <= nMax; i++)
205 infoPtr->items[infoPtr->order[i]].iOrder = i;
208 /* Note: if iItem is the last item then this function returns infoPtr->uNumItem */
210 HEADER_NextItem(const HEADER_INFO *infoPtr, INT iItem)
212 return HEADER_OrderToIndex(infoPtr, HEADER_IndexToOrder(infoPtr, iItem)+1);
216 HEADER_PrevItem(const HEADER_INFO *infoPtr, INT iItem)
218 return HEADER_OrderToIndex(infoPtr, HEADER_IndexToOrder(infoPtr, iItem)-1);
222 HEADER_SetItemBounds (HEADER_INFO *infoPtr)
229 infoPtr->bRectsValid = TRUE;
231 if (infoPtr->uNumItem == 0)
234 GetClientRect (infoPtr->hwndSelf, &rect);
237 for (i = 0; i < infoPtr->uNumItem; i++) {
238 phdi = &infoPtr->items[HEADER_OrderToIndex(infoPtr,i)];
239 phdi->rect.top = rect.top;
240 phdi->rect.bottom = rect.bottom;
242 phdi->rect.right = phdi->rect.left + ((phdi->cxy>0)?phdi->cxy:0);
243 x = phdi->rect.right;
248 HEADER_Size (HEADER_INFO *infoPtr)
250 infoPtr->bRectsValid = FALSE;
255 static void HEADER_GetHotDividerRect(const HEADER_INFO *infoPtr, RECT *r)
257 INT iDivider = infoPtr->iHotDivider;
258 if (infoPtr->uNumItem > 0)
262 if (iDivider < infoPtr->uNumItem)
264 lpItem = &infoPtr->items[iDivider];
265 r->left = lpItem->rect.left - HOT_DIVIDER_WIDTH/2;
266 r->right = lpItem->rect.left + HOT_DIVIDER_WIDTH/2;
270 lpItem = &infoPtr->items[HEADER_OrderToIndex(infoPtr, infoPtr->uNumItem-1)];
271 r->left = lpItem->rect.right - HOT_DIVIDER_WIDTH/2;
272 r->right = lpItem->rect.right + HOT_DIVIDER_WIDTH/2;
274 r->top = lpItem->rect.top;
275 r->bottom = lpItem->rect.bottom;
280 GetClientRect(infoPtr->hwndSelf, &clientRect);
282 r->right = r->left + HOT_DIVIDER_WIDTH/2;
288 HEADER_DrawItem (HEADER_INFO *infoPtr, HDC hdc, INT iItem, BOOL bHotTrack, LRESULT lCDFlags)
290 HEADER_ITEM *phdi = &infoPtr->items[iItem];
293 HTHEME theme = GetWindowTheme (infoPtr->hwndSelf);
296 TRACE("DrawItem(iItem %d bHotTrack %d unicode flag %d)\n", iItem, bHotTrack, (infoPtr->nNotifyFormat == NFR_UNICODE));
299 if (r.right - r.left == 0)
300 return phdi->rect.right;
302 /* Set the colors before sending NM_CUSTOMDRAW so that it can change them */
303 SetTextColor(hdc, (bHotTrack && !theme) ? COLOR_HIGHLIGHT : COLOR_BTNTEXT);
304 SetBkColor(hdc, comctl32_color.clr3dFace);
306 if (lCDFlags & CDRF_NOTIFYITEMDRAW && !(phdi->fmt & HDF_OWNERDRAW))
308 LRESULT lCDItemFlags;
310 nmcd.dwDrawStage = CDDS_PREPAINT | CDDS_ITEM;
312 nmcd.dwItemSpec = iItem;
314 nmcd.uItemState = phdi->bDown ? CDIS_SELECTED : 0;
315 nmcd.lItemlParam = phdi->lParam;
317 lCDItemFlags = HEADER_SendNotify(infoPtr, NM_CUSTOMDRAW, (NMHDR *)&nmcd);
318 if (lCDItemFlags & CDRF_SKIPDEFAULT)
319 return phdi->rect.right;
323 int state = (phdi->bDown) ? HIS_PRESSED :
324 (bHotTrack ? HIS_HOT : HIS_NORMAL);
325 DrawThemeBackground (theme, hdc, HP_HEADERITEM, state,
327 GetThemeBackgroundContentRect (theme, hdc, HP_HEADERITEM, state,
333 if (!(infoPtr->dwStyle & HDS_FLAT))
335 if (infoPtr->dwStyle & HDS_BUTTONS) {
337 DrawEdge (hdc, &r, BDR_RAISEDOUTER,
338 BF_RECT | BF_FLAT | BF_MIDDLE | BF_ADJUST);
341 DrawEdge (hdc, &r, EDGE_RAISED,
342 BF_RECT | BF_SOFT | BF_MIDDLE | BF_ADJUST);
345 DrawEdge (hdc, &r, EDGE_ETCHED, BF_BOTTOM | BF_RIGHT | BF_ADJUST);
348 hbr = CreateSolidBrush(GetBkColor(hdc));
349 FillRect(hdc, &r, hbr);
357 if (phdi->fmt & HDF_OWNERDRAW) {
360 dis.CtlType = ODT_HEADER;
361 dis.CtlID = GetWindowLongPtrW (infoPtr->hwndSelf, GWLP_ID);
363 dis.itemAction = ODA_DRAWENTIRE;
364 dis.itemState = phdi->bDown ? ODS_SELECTED : 0;
365 dis.hwndItem = infoPtr->hwndSelf;
367 dis.rcItem = phdi->rect;
368 dis.itemData = phdi->lParam;
369 oldBkMode = SetBkMode(hdc, TRANSPARENT);
370 SendMessageW (infoPtr->hwndNotify, WM_DRAWITEM,
371 (WPARAM)dis.CtlID, (LPARAM)&dis);
372 if (oldBkMode != TRANSPARENT)
373 SetBkMode(hdc, oldBkMode);
376 UINT rw, rh, /* width and height of r */
377 *x = NULL, *w = NULL; /* x and width of the pic (bmp or img) which is part of cnt */
378 /* cnt,txt,img,bmp */
383 HEADER_PrepareCallbackItems(infoPtr, iItem, HDI_TEXT|HDI_IMAGE);
384 cw = tw = iw = bw = 0;
385 rw = r.right - r.left;
386 rh = r.bottom - r.top;
388 if (phdi->fmt & HDF_STRING) {
391 SetRectEmpty(&textRect);
392 DrawTextW (hdc, phdi->pszText, -1,
393 &textRect, DT_LEFT|DT_VCENTER|DT_SINGLELINE|DT_CALCRECT);
394 cw = textRect.right - textRect.left + 2 * infoPtr->iMargin;
397 if ((phdi->fmt & HDF_IMAGE) && (infoPtr->himl)) {
398 iw = infoPtr->himl->cx + 2 * infoPtr->iMargin;
403 if ((phdi->fmt & HDF_BITMAP) && (phdi->hbm)) {
404 GetObjectW (phdi->hbm, sizeof(BITMAP), &bmp);
405 bw = bmp.bmWidth + 2 * infoPtr->iMargin;
415 /* align cx using the unclipped cw */
416 if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_LEFT)
418 else if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_CENTER)
419 cx = r.left + rw / 2 - cw / 2;
426 if (cx + cw > r.right)
429 tx = cx + infoPtr->iMargin;
430 /* since cw might have changed we have to recalculate tw */
431 tw = cw - infoPtr->iMargin * 2;
435 if (phdi->fmt & HDF_BITMAP_ON_RIGHT) {
436 /* put pic behind text */
437 *x = cx + tw + infoPtr->iMargin * 3;
439 *x = cx + infoPtr->iMargin;
440 /* move text behind pic */
446 /* since we're done with the layout we can
447 now calculate the position of bmp which
448 has no influence on alignment and layout
450 if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_RIGHT)
451 bx = cx - bw + infoPtr->iMargin;
453 bx = cx + cw + infoPtr->iMargin;
457 HDC hClipDC = GetDC(infoPtr->hwndSelf);
458 HRGN hClipRgn = CreateRectRgn(r.left, r.top, r.right, r.bottom);
459 SelectClipRgn(hClipDC, hClipRgn);
462 HDC hdcBitmap = CreateCompatibleDC (hClipDC);
463 SelectObject (hdcBitmap, phdi->hbm);
464 BitBlt (hClipDC, bx, r.top + ((INT)rh - bmp.bmHeight) / 2,
465 bmp.bmWidth, bmp.bmHeight, hdcBitmap, 0, 0, SRCCOPY);
466 DeleteDC (hdcBitmap);
470 ImageList_DrawEx (infoPtr->himl, phdi->iImage, hClipDC,
471 ix, r.top + ((INT)rh - infoPtr->himl->cy) / 2,
472 infoPtr->himl->cx, infoPtr->himl->cy, CLR_DEFAULT, CLR_DEFAULT, 0);
475 DeleteObject(hClipRgn);
476 ReleaseDC(infoPtr->hwndSelf, hClipDC);
479 if (((phdi->fmt & HDF_STRING)
480 || (!(phdi->fmt & (HDF_OWNERDRAW|HDF_STRING|HDF_BITMAP|
481 HDF_BITMAP_ON_RIGHT|HDF_IMAGE)))) /* no explicit format specified? */
482 && (phdi->pszText)) {
483 oldBkMode = SetBkMode(hdc, TRANSPARENT);
486 DrawTextW (hdc, phdi->pszText, -1,
487 &r, DT_LEFT|DT_END_ELLIPSIS|DT_VCENTER|DT_SINGLELINE);
488 if (oldBkMode != TRANSPARENT)
489 SetBkMode(hdc, oldBkMode);
491 HEADER_FreeCallbackItems(phdi);
494 return phdi->rect.right;
498 HEADER_DrawHotDivider(const HEADER_INFO *infoPtr, HDC hdc)
503 HEADER_GetHotDividerRect(infoPtr, &r);
504 brush = CreateSolidBrush(comctl32_color.clrHighlight);
505 FillRect(hdc, &r, brush);
510 HEADER_Refresh (HEADER_INFO *infoPtr, HDC hdc)
512 HFONT hFont, hOldFont;
518 HTHEME theme = GetWindowTheme (infoPtr->hwndSelf);
520 if (!infoPtr->bRectsValid)
521 HEADER_SetItemBounds(infoPtr);
523 /* get rect for the bar, adjusted for the border */
524 GetClientRect (infoPtr->hwndSelf, &rect);
525 lCDFlags = HEADER_SendCtrlCustomDraw(infoPtr, CDDS_PREPAINT, hdc, &rect);
527 if (infoPtr->bDragging)
528 ImageList_DragShowNolock(FALSE);
530 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT);
531 hOldFont = SelectObject (hdc, hFont);
533 /* draw Background */
534 if (infoPtr->uNumItem == 0 && theme == NULL) {
535 hbrBk = GetSysColorBrush(COLOR_3DFACE);
536 FillRect(hdc, &rect, hbrBk);
540 for (i = 0; x <= rect.right && i < infoPtr->uNumItem; i++) {
541 int idx = HEADER_OrderToIndex(infoPtr,i);
542 if (RectVisible(hdc, &infoPtr->items[idx].rect))
543 HEADER_DrawItem(infoPtr, hdc, idx, infoPtr->iHotItem == idx, lCDFlags);
544 x = infoPtr->items[idx].rect.right;
549 if ((x <= rect.right) && RectVisible(hdc, &rcRest) && (infoPtr->uNumItem > 0)) {
551 DrawThemeBackground(theme, hdc, HP_HEADERITEM, HIS_NORMAL, &rcRest, NULL);
553 else if (infoPtr->dwStyle & HDS_FLAT) {
554 hbrBk = GetSysColorBrush(COLOR_3DFACE);
555 FillRect(hdc, &rcRest, hbrBk);
559 if (infoPtr->dwStyle & HDS_BUTTONS)
560 DrawEdge (hdc, &rcRest, EDGE_RAISED, BF_TOP|BF_LEFT|BF_BOTTOM|BF_SOFT|BF_MIDDLE);
562 DrawEdge (hdc, &rcRest, EDGE_ETCHED, BF_BOTTOM|BF_MIDDLE);
566 if (infoPtr->iHotDivider != -1)
567 HEADER_DrawHotDivider(infoPtr, hdc);
569 if (infoPtr->bDragging)
570 ImageList_DragShowNolock(TRUE);
571 SelectObject (hdc, hOldFont);
573 if (lCDFlags & CDRF_NOTIFYPOSTPAINT)
574 HEADER_SendCtrlCustomDraw(infoPtr, CDDS_POSTPAINT, hdc, &rect);
579 HEADER_RefreshItem (HEADER_INFO *infoPtr, INT iItem)
581 if (!infoPtr->bRectsValid)
582 HEADER_SetItemBounds(infoPtr);
584 InvalidateRect(infoPtr->hwndSelf, &infoPtr->items[iItem].rect, FALSE);
589 HEADER_InternalHitTest (const HEADER_INFO *infoPtr, const POINT *lpPt, UINT *pFlags, INT *pItem)
596 GetClientRect (infoPtr->hwndSelf, &rect);
600 if (PtInRect (&rect, *lpPt))
602 if (infoPtr->uNumItem == 0) {
603 *pFlags |= HHT_NOWHERE;
609 /* somewhere inside */
610 for (iCount = 0; iCount < infoPtr->uNumItem; iCount++) {
611 rect = infoPtr->items[iCount].rect;
612 width = rect.right - rect.left;
617 if (PtInRect (&rect, *lpPt)) {
618 if (width <= 2 * DIVIDER_WIDTH) {
619 *pFlags |= HHT_ONHEADER;
621 TRACE("ON HEADER %d\n", iCount);
624 if (HEADER_IndexToOrder(infoPtr, iCount) > 0) {
626 rcTest.right = rcTest.left + DIVIDER_WIDTH;
627 if (PtInRect (&rcTest, *lpPt)) {
629 *pFlags |= HHT_ONDIVOPEN;
630 *pItem = HEADER_PrevItem(infoPtr, iCount);
631 TRACE("ON DIVOPEN %d\n", *pItem);
635 *pFlags |= HHT_ONDIVIDER;
636 *pItem = HEADER_PrevItem(infoPtr, iCount);
637 TRACE("ON DIVIDER %d\n", *pItem);
643 rcTest.left = rcTest.right - DIVIDER_WIDTH;
644 if (PtInRect (&rcTest, *lpPt)) {
645 *pFlags |= HHT_ONDIVIDER;
647 TRACE("ON DIVIDER %d\n", *pItem);
651 *pFlags |= HHT_ONHEADER;
653 TRACE("ON HEADER %d\n", iCount);
658 /* check for last divider part (on nowhere) */
659 rect = infoPtr->items[infoPtr->uNumItem-1].rect;
660 rect.left = rect.right;
661 rect.right += DIVIDER_WIDTH;
662 if (PtInRect (&rect, *lpPt)) {
664 *pFlags |= HHT_ONDIVOPEN;
665 *pItem = infoPtr->uNumItem - 1;
666 TRACE("ON DIVOPEN %d\n", *pItem);
670 *pFlags |= HHT_ONDIVIDER;
671 *pItem = infoPtr->uNumItem-1;
672 TRACE("ON DIVIDER %d\n", *pItem);
677 *pFlags |= HHT_NOWHERE;
684 if (lpPt->x < rect.left) {
686 *pFlags |= HHT_TOLEFT;
688 else if (lpPt->x > rect.right) {
690 *pFlags |= HHT_TORIGHT;
693 if (lpPt->y < rect.top) {
695 *pFlags |= HHT_ABOVE;
697 else if (lpPt->y > rect.bottom) {
699 *pFlags |= HHT_BELOW;
704 TRACE("flags=0x%X\n", *pFlags);
710 HEADER_DrawTrackLine (const HEADER_INFO *infoPtr, HDC hdc, INT x)
716 GetClientRect (infoPtr->hwndSelf, &rect);
718 hOldPen = SelectObject (hdc, GetStockObject (BLACK_PEN));
719 oldRop = SetROP2 (hdc, R2_XORPEN);
720 MoveToEx (hdc, x, rect.top, NULL);
721 LineTo (hdc, x, rect.bottom);
722 SetROP2 (hdc, oldRop);
723 SelectObject (hdc, hOldPen);
728 * Convert a HDITEM into the correct format (ANSI/Unicode) to send it in a notify
731 * [I] infoPtr : the header that wants to send the notify
732 * [O] dest : The buffer to store the HDITEM for notify. It may be set to a HDITEMA of HDITEMW
733 * [I] src : The source HDITEM. It may be a HDITEMA or HDITEMW
734 * [I] fSourceUnicode : is src a HDITEMW or HDITEMA
735 * [O] ppvScratch : a pointer to a scratch buffer that needs to be freed after
736 * the HDITEM is no longer in use or NULL if none was needed
738 * NOTE: We depend on HDITEMA and HDITEMW having the same structure
740 static void HEADER_CopyHDItemForNotify(const HEADER_INFO *infoPtr, HDITEMW *dest,
741 const HDITEMW *src, BOOL fSourceUnicode, LPVOID *ppvScratch)
746 if (src->mask & HDI_TEXT && src->pszText != LPSTR_TEXTCALLBACKW) /* covers TEXTCALLBACKA as well */
748 if (fSourceUnicode && infoPtr->nNotifyFormat != NFR_UNICODE)
750 dest->pszText = NULL;
751 Str_SetPtrWtoA((LPSTR *)&dest->pszText, src->pszText);
752 *ppvScratch = dest->pszText;
755 if (!fSourceUnicode && infoPtr->nNotifyFormat == NFR_UNICODE)
757 dest->pszText = NULL;
758 Str_SetPtrAtoW(&dest->pszText, (LPSTR)src->pszText);
759 *ppvScratch = dest->pszText;
764 static UINT HEADER_NotifyCodeWtoA(UINT code)
766 /* we use the fact that all the unicode messages are in HDN_FIRST_UNICODE..HDN_LAST*/
767 if (code >= HDN_LAST && code <= HDN_FIRST_UNICODE)
768 return code + HDN_UNICODE_OFFSET;
774 HEADER_SendNotify(const HEADER_INFO *infoPtr, UINT code, NMHDR *nmhdr)
776 nmhdr->hwndFrom = infoPtr->hwndSelf;
777 nmhdr->idFrom = GetWindowLongPtrW (infoPtr->hwndSelf, GWLP_ID);
780 return SendMessageW(infoPtr->hwndNotify, WM_NOTIFY,
781 nmhdr->idFrom, (LPARAM)nmhdr);
785 HEADER_SendSimpleNotify (const HEADER_INFO *infoPtr, UINT code)
788 return (BOOL)HEADER_SendNotify(infoPtr, code, &nmhdr);
792 HEADER_SendCtrlCustomDraw(const HEADER_INFO *infoPtr, DWORD dwDrawStage, HDC hdc, const RECT *rect)
795 nm.dwDrawStage = dwDrawStage;
802 return HEADER_SendNotify(infoPtr, NM_CUSTOMDRAW, (NMHDR *)&nm);
806 HEADER_SendNotifyWithHDItemT(const HEADER_INFO *infoPtr, UINT code, INT iItem, HDITEMW *lpItem)
810 if (infoPtr->nNotifyFormat != NFR_UNICODE)
811 code = HEADER_NotifyCodeWtoA(code);
814 nmhdr.pitem = lpItem;
816 return (BOOL)HEADER_SendNotify(infoPtr, code, (NMHDR *)&nmhdr);
820 HEADER_SendNotifyWithIntFieldT(const HEADER_INFO *infoPtr, UINT code, INT iItem, INT mask, INT iValue)
824 /* copying only the iValue should be ok but to make the code more robust we copy everything */
825 nmitem.cxy = infoPtr->items[iItem].cxy;
826 nmitem.hbm = infoPtr->items[iItem].hbm;
827 nmitem.pszText = NULL;
828 nmitem.cchTextMax = 0;
829 nmitem.fmt = infoPtr->items[iItem].fmt;
830 nmitem.lParam = infoPtr->items[iItem].lParam;
831 nmitem.iOrder = infoPtr->items[iItem].iOrder;
832 nmitem.iImage = infoPtr->items[iItem].iImage;
841 nmitem.iOrder = iValue;
844 ERR("invalid mask value 0x%x\n", iValue);
847 return HEADER_SendNotifyWithHDItemT(infoPtr, code, iItem, &nmitem);
851 * Prepare callback items
852 * depends on NMHDDISPINFOW having same structure as NMHDDISPINFOA
853 * (so we handle the two cases only doing a specific cast for pszText).
854 * Checks if any of the required field are callback. If there are sends a
855 * NMHDISPINFO notify to retrieve these items. The items are stored in the
856 * HEADER_ITEM pszText and iImage fields. They should be freed with
857 * HEADER_FreeCallbackItems.
859 * @param hwnd : hwnd header container handler
860 * @param iItem : the header item id
861 * @param reqMask : required fields. If any of them is callback this function will fetch it
863 * @return TRUE on success, else FALSE
866 HEADER_PrepareCallbackItems(const HEADER_INFO *infoPtr, INT iItem, INT reqMask)
868 HEADER_ITEM *lpItem = &infoPtr->items[iItem];
869 DWORD mask = reqMask & lpItem->callbackMask;
870 NMHDDISPINFOW dispInfo;
871 void *pvBuffer = NULL;
875 if (mask&HDI_TEXT && lpItem->pszText != NULL)
877 ERR("(): function called without a call to FreeCallbackItems\n");
878 Free(lpItem->pszText);
879 lpItem->pszText = NULL;
882 memset(&dispInfo, 0, sizeof(NMHDDISPINFOW));
883 dispInfo.hdr.hwndFrom = infoPtr->hwndSelf;
884 dispInfo.hdr.idFrom = GetWindowLongPtrW (infoPtr->hwndSelf, GWLP_ID);
885 if (infoPtr->nNotifyFormat == NFR_UNICODE)
887 dispInfo.hdr.code = HDN_GETDISPINFOW;
889 pvBuffer = Alloc(MAX_HEADER_TEXT_LEN * sizeof(WCHAR));
893 dispInfo.hdr.code = HDN_GETDISPINFOA;
895 pvBuffer = Alloc(MAX_HEADER_TEXT_LEN * sizeof(CHAR));
897 dispInfo.pszText = pvBuffer;
898 dispInfo.cchTextMax = (pvBuffer!=NULL?MAX_HEADER_TEXT_LEN:0);
899 dispInfo.iItem = iItem;
900 dispInfo.mask = mask;
901 dispInfo.lParam = lpItem->lParam;
903 TRACE("Sending HDN_GETDISPINFO%c\n", infoPtr->nNotifyFormat == NFR_UNICODE?'W':'A');
904 SendMessageW(infoPtr->hwndNotify, WM_NOTIFY, dispInfo.hdr.idFrom, (LPARAM)&dispInfo);
906 TRACE("SendMessage returns(mask:0x%x,str:%s,lParam:%p)\n",
908 (infoPtr->nNotifyFormat == NFR_UNICODE ? debugstr_w(dispInfo.pszText) : (LPSTR) dispInfo.pszText),
909 (void*) dispInfo.lParam);
911 if (mask & HDI_IMAGE)
912 lpItem->iImage = dispInfo.iImage;
915 if (infoPtr->nNotifyFormat == NFR_UNICODE)
917 lpItem->pszText = pvBuffer;
919 /* the user might have used his own buffer */
920 if (dispInfo.pszText != lpItem->pszText)
921 Str_GetPtrW(dispInfo.pszText, lpItem->pszText, MAX_HEADER_TEXT_LEN);
925 Str_SetPtrAtoW(&lpItem->pszText, (LPSTR)dispInfo.pszText);
930 if (dispInfo.mask & HDI_DI_SETITEM)
932 /* make the items permanent */
933 lpItem->callbackMask &= ~dispInfo.mask;
941 * Free the items that might be allocated with HEADER_PrepareCallbackItems
944 * [I] lpItem : the item to free the data
948 HEADER_FreeCallbackItems(HEADER_ITEM *lpItem)
950 if (lpItem->callbackMask&HDI_TEXT)
952 Free(lpItem->pszText);
953 lpItem->pszText = NULL;
956 if (lpItem->callbackMask&HDI_IMAGE)
957 lpItem->iImage = I_IMAGECALLBACK;
961 HEADER_CreateDragImage (HEADER_INFO *infoPtr, INT iItem)
965 HBITMAP hMemory, hOldBitmap;
973 if (iItem >= infoPtr->uNumItem)
976 if (!infoPtr->bRectsValid)
977 HEADER_SetItemBounds(infoPtr);
979 lpItem = &infoPtr->items[iItem];
980 width = lpItem->rect.right - lpItem->rect.left;
981 height = lpItem->rect.bottom - lpItem->rect.top;
983 hDeviceDC = GetDC(NULL);
984 hMemoryDC = CreateCompatibleDC(hDeviceDC);
985 hMemory = CreateCompatibleBitmap(hDeviceDC, width, height);
986 ReleaseDC(NULL, hDeviceDC);
987 hOldBitmap = SelectObject(hMemoryDC, hMemory);
988 SetViewportOrgEx(hMemoryDC, -lpItem->rect.left, -lpItem->rect.top, NULL);
989 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject(SYSTEM_FONT);
990 SelectObject(hMemoryDC, hFont);
992 GetClientRect(infoPtr->hwndSelf, &rc);
993 lCDFlags = HEADER_SendCtrlCustomDraw(infoPtr, CDDS_PREPAINT, hMemoryDC, &rc);
994 HEADER_DrawItem(infoPtr, hMemoryDC, iItem, FALSE, lCDFlags);
995 if (lCDFlags & CDRF_NOTIFYPOSTPAINT)
996 HEADER_SendCtrlCustomDraw(infoPtr, CDDS_POSTPAINT, hMemoryDC, &rc);
998 hMemory = SelectObject(hMemoryDC, hOldBitmap);
1001 if (hMemory == NULL) /* if anything failed */
1004 himl = ImageList_Create(width, height, ILC_COLORDDB, 1, 1);
1005 ImageList_Add(himl, hMemory, NULL);
1006 DeleteObject(hMemory);
1007 return (LRESULT)himl;
1011 HEADER_SetHotDivider(HEADER_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
1020 pt.x = (INT)(SHORT)LOWORD(lParam);
1022 HEADER_InternalHitTest (infoPtr, &pt, &flags, &iDivider);
1024 if (flags & HHT_TOLEFT)
1026 else if (flags & HHT_NOWHERE || flags & HHT_TORIGHT)
1027 iDivider = infoPtr->uNumItem;
1030 HEADER_ITEM *lpItem = &infoPtr->items[iDivider];
1031 if (pt.x > (lpItem->rect.left+lpItem->rect.right)/2)
1032 iDivider = HEADER_NextItem(infoPtr, iDivider);
1036 iDivider = (INT)lParam;
1038 /* Note; wParam==FALSE, lParam==-1 is valid and is used to clear the hot divider */
1039 if (iDivider<-1 || iDivider>(int)infoPtr->uNumItem)
1042 if (iDivider != infoPtr->iHotDivider)
1044 if (infoPtr->iHotDivider != -1)
1046 HEADER_GetHotDividerRect(infoPtr, &r);
1047 InvalidateRect(infoPtr->hwndSelf, &r, FALSE);
1049 infoPtr->iHotDivider = iDivider;
1052 HEADER_GetHotDividerRect(infoPtr, &r);
1053 InvalidateRect(infoPtr->hwndSelf, &r, FALSE);
1060 HEADER_DeleteItem (HEADER_INFO *infoPtr, INT iItem)
1065 TRACE("[iItem=%d]\n", iItem);
1067 if ((iItem < 0) || (iItem >= (INT)infoPtr->uNumItem))
1070 for (i = 0; i < infoPtr->uNumItem; i++)
1071 TRACE("%d: order=%d, iOrder=%d, ->iOrder=%d\n", i, infoPtr->order[i], infoPtr->items[i].iOrder, infoPtr->items[infoPtr->order[i]].iOrder);
1073 iOrder = infoPtr->items[iItem].iOrder;
1074 Free(infoPtr->items[iItem].pszText);
1076 infoPtr->uNumItem--;
1077 memmove(&infoPtr->items[iItem], &infoPtr->items[iItem + 1],
1078 (infoPtr->uNumItem - iItem) * sizeof(HEADER_ITEM));
1079 memmove(&infoPtr->order[iOrder], &infoPtr->order[iOrder + 1],
1080 (infoPtr->uNumItem - iOrder) * sizeof(INT));
1081 infoPtr->items = ReAlloc(infoPtr->items, sizeof(HEADER_ITEM) * infoPtr->uNumItem);
1082 infoPtr->order = ReAlloc(infoPtr->order, sizeof(INT) * infoPtr->uNumItem);
1084 /* Correct the orders */
1085 for (i = 0; i < infoPtr->uNumItem; i++)
1087 if (infoPtr->order[i] > iItem)
1088 infoPtr->order[i]--;
1090 infoPtr->items[infoPtr->order[i]].iOrder = i;
1092 for (i = 0; i < infoPtr->uNumItem; i++)
1093 TRACE("%d: order=%d, iOrder=%d, ->iOrder=%d\n", i, infoPtr->order[i], infoPtr->items[i].iOrder, infoPtr->items[infoPtr->order[i]].iOrder);
1095 HEADER_SetItemBounds (infoPtr);
1096 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1103 HEADER_GetImageList (const HEADER_INFO *infoPtr)
1105 return (LRESULT)infoPtr->himl;
1110 HEADER_GetItemT (const HEADER_INFO *infoPtr, INT nItem, LPHDITEMW phdi, BOOL bUnicode)
1112 HEADER_ITEM *lpItem;
1118 TRACE("[nItem=%d]\n", nItem);
1124 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
1127 if (mask & HDI_UNKNOWN_FIELDS)
1129 TRACE("mask %x contains unknown fields. Using only comctl32 4.0 fields\n", mask);
1130 mask &= HDI_COMCTL32_4_0_FIELDS;
1133 lpItem = &infoPtr->items[nItem];
1134 HEADER_PrepareCallbackItems(infoPtr, nItem, mask);
1136 if (mask & HDI_BITMAP)
1137 phdi->hbm = lpItem->hbm;
1139 if (mask & HDI_FORMAT)
1140 phdi->fmt = lpItem->fmt;
1142 if (mask & HDI_WIDTH)
1143 phdi->cxy = lpItem->cxy;
1145 if (mask & HDI_LPARAM)
1146 phdi->lParam = lpItem->lParam;
1148 if (mask & HDI_IMAGE)
1149 phdi->iImage = lpItem->iImage;
1151 if (mask & HDI_ORDER)
1152 phdi->iOrder = lpItem->iOrder;
1154 if (mask & HDI_TEXT)
1157 Str_GetPtrW (lpItem->pszText, phdi->pszText, phdi->cchTextMax);
1159 Str_GetPtrWtoA (lpItem->pszText, (LPSTR)phdi->pszText, phdi->cchTextMax);
1162 HEADER_FreeCallbackItems(lpItem);
1167 static inline LRESULT
1168 HEADER_GetItemCount (const HEADER_INFO *infoPtr)
1170 return infoPtr->uNumItem;
1175 HEADER_GetItemRect (const HEADER_INFO *infoPtr, INT iItem, LPRECT lpRect)
1177 if ((iItem < 0) || (iItem >= (INT)infoPtr->uNumItem))
1180 lpRect->left = infoPtr->items[iItem].rect.left;
1181 lpRect->right = infoPtr->items[iItem].rect.right;
1182 lpRect->top = infoPtr->items[iItem].rect.top;
1183 lpRect->bottom = infoPtr->items[iItem].rect.bottom;
1190 HEADER_GetOrderArray(const HEADER_INFO *infoPtr, INT size, LPINT order)
1192 if ((UINT)size <infoPtr->uNumItem)
1195 memcpy(order, infoPtr->order, infoPtr->uNumItem * sizeof(INT));
1200 HEADER_SetOrderArray(HEADER_INFO *infoPtr, INT size, const INT *order)
1203 HEADER_ITEM *lpItem;
1205 if ((UINT)size <infoPtr->uNumItem)
1207 memcpy(infoPtr->order, order, infoPtr->uNumItem * sizeof(INT));
1208 for (i=0; i<size; 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, LPHDHITTESTINFO phti)
1228 HEADER_InternalHitTest (infoPtr, &phti->pt, &phti->flags, &phti->iItem);
1230 if (phti->flags == HHT_NOWHERE)
1238 HEADER_InsertItemT (HEADER_INFO *infoPtr, INT nItem, const HDITEMW *phdi, BOOL bUnicode)
1240 HEADER_ITEM *lpItem;
1245 if ((phdi == NULL) || (nItem < 0) || (phdi->mask == 0))
1248 if (nItem > infoPtr->uNumItem)
1249 nItem = infoPtr->uNumItem;
1251 iOrder = (phdi->mask & HDI_ORDER) ? phdi->iOrder : nItem;
1254 else if (infoPtr->uNumItem < iOrder)
1255 iOrder = infoPtr->uNumItem;
1257 infoPtr->uNumItem++;
1258 infoPtr->items = ReAlloc(infoPtr->items, sizeof(HEADER_ITEM) * infoPtr->uNumItem);
1259 infoPtr->order = ReAlloc(infoPtr->order, sizeof(INT) * infoPtr->uNumItem);
1261 /* make space for the new item */
1262 memmove(&infoPtr->items[nItem + 1], &infoPtr->items[nItem],
1263 (infoPtr->uNumItem - nItem - 1) * sizeof(HEADER_ITEM));
1264 memmove(&infoPtr->order[iOrder + 1], &infoPtr->order[iOrder],
1265 (infoPtr->uNumItem - iOrder - 1) * sizeof(INT));
1267 /* update the order array */
1268 infoPtr->order[iOrder] = nItem;
1269 for (i = 0; i < infoPtr->uNumItem; i++)
1271 if (i != iOrder && infoPtr->order[i] >= nItem)
1272 infoPtr->order[i]++;
1273 infoPtr->items[infoPtr->order[i]].iOrder = i;
1276 lpItem = &infoPtr->items[nItem];
1277 ZeroMemory(lpItem, sizeof(HEADER_ITEM));
1278 /* cxy, fmt and lParam are copied even if not in the HDITEM mask */
1279 copyMask = phdi->mask | HDI_WIDTH | HDI_FORMAT | HDI_LPARAM;
1280 HEADER_StoreHDItemInHeader(lpItem, copyMask, phdi, bUnicode);
1281 lpItem->iOrder = iOrder;
1283 /* set automatically some format bits */
1284 if (phdi->mask & HDI_TEXT)
1285 lpItem->fmt |= HDF_STRING;
1287 lpItem->fmt &= ~HDF_STRING;
1289 if (lpItem->hbm != NULL)
1290 lpItem->fmt |= HDF_BITMAP;
1292 lpItem->fmt &= ~HDF_BITMAP;
1294 if (phdi->mask & HDI_IMAGE)
1295 lpItem->fmt |= HDF_IMAGE;
1297 HEADER_SetItemBounds (infoPtr);
1298 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1305 HEADER_Layout (HEADER_INFO *infoPtr, LPHDLAYOUT lpLayout)
1307 lpLayout->pwpos->hwnd = infoPtr->hwndSelf;
1308 lpLayout->pwpos->hwndInsertAfter = 0;
1309 lpLayout->pwpos->x = lpLayout->prc->left;
1310 lpLayout->pwpos->y = lpLayout->prc->top;
1311 lpLayout->pwpos->cx = lpLayout->prc->right - lpLayout->prc->left;
1312 if (infoPtr->dwStyle & HDS_HIDDEN)
1313 lpLayout->pwpos->cy = 0;
1315 lpLayout->pwpos->cy = infoPtr->nHeight;
1316 lpLayout->prc->top += infoPtr->nHeight;
1318 lpLayout->pwpos->flags = SWP_NOZORDER;
1320 TRACE("Layout x=%d y=%d cx=%d cy=%d\n",
1321 lpLayout->pwpos->x, lpLayout->pwpos->y,
1322 lpLayout->pwpos->cx, lpLayout->pwpos->cy);
1324 infoPtr->bRectsValid = FALSE;
1331 HEADER_SetImageList (HEADER_INFO *infoPtr, HIMAGELIST himl)
1335 TRACE("(himl %p)\n", himl);
1336 himlOld = infoPtr->himl;
1337 infoPtr->himl = himl;
1339 /* FIXME: Refresh needed??? */
1341 return (LRESULT)himlOld;
1346 HEADER_GetBitmapMargin(const HEADER_INFO *infoPtr)
1348 return infoPtr->iMargin;
1352 HEADER_SetBitmapMargin(HEADER_INFO *infoPtr, INT iMargin)
1354 INT oldMargin = infoPtr->iMargin;
1356 infoPtr->iMargin = iMargin;
1362 HEADER_SetItemT (HEADER_INFO *infoPtr, INT nItem, const HDITEMW *phdi, BOOL bUnicode)
1364 HEADER_ITEM *lpItem;
1370 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
1373 TRACE("[nItem=%d]\n", nItem);
1375 HEADER_CopyHDItemForNotify(infoPtr, &hdNotify, phdi, bUnicode, &pvScratch);
1376 if (HEADER_SendNotifyWithHDItemT(infoPtr, HDN_ITEMCHANGINGW, nItem, &hdNotify))
1382 lpItem = &infoPtr->items[nItem];
1383 HEADER_StoreHDItemInHeader(lpItem, phdi->mask, phdi, bUnicode);
1385 if (phdi->mask & HDI_ORDER)
1386 if (phdi->iOrder >= 0 && phdi->iOrder < infoPtr->uNumItem)
1387 HEADER_ChangeItemOrder(infoPtr, nItem, phdi->iOrder);
1389 HEADER_SendNotifyWithHDItemT(infoPtr, HDN_ITEMCHANGEDW, nItem, &hdNotify);
1391 HEADER_SetItemBounds (infoPtr);
1393 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1399 static inline LRESULT
1400 HEADER_SetUnicodeFormat (HEADER_INFO *infoPtr, WPARAM wParam)
1402 BOOL bTemp = (infoPtr->nNotifyFormat == NFR_UNICODE);
1404 infoPtr->nNotifyFormat = ((BOOL)wParam ? NFR_UNICODE : NFR_ANSI);
1411 HEADER_Create (HWND hwnd, const CREATESTRUCTW *lpcs)
1413 HEADER_INFO *infoPtr;
1418 infoPtr = Alloc (sizeof(HEADER_INFO));
1419 SetWindowLongPtrW (hwnd, 0, (DWORD_PTR)infoPtr);
1421 infoPtr->hwndSelf = hwnd;
1422 infoPtr->hwndNotify = lpcs->hwndParent;
1423 infoPtr->uNumItem = 0;
1427 infoPtr->bRectsValid = FALSE;
1428 infoPtr->hcurArrow = LoadCursorW (0, (LPWSTR)IDC_ARROW);
1429 infoPtr->hcurDivider = LoadCursorW (COMCTL32_hModule, MAKEINTRESOURCEW(IDC_DIVIDER));
1430 infoPtr->hcurDivopen = LoadCursorW (COMCTL32_hModule, MAKEINTRESOURCEW(IDC_DIVIDEROPEN));
1431 infoPtr->bPressed = FALSE;
1432 infoPtr->bTracking = FALSE;
1433 infoPtr->dwStyle = lpcs->style;
1434 infoPtr->iMoveItem = 0;
1436 infoPtr->iHotItem = -1;
1437 infoPtr->iHotDivider = -1;
1438 infoPtr->iMargin = 3*GetSystemMetrics(SM_CXEDGE);
1439 infoPtr->nNotifyFormat =
1440 SendMessageW (infoPtr->hwndNotify, WM_NOTIFYFORMAT, (WPARAM)hwnd, NF_QUERY);
1443 hOldFont = SelectObject (hdc, GetStockObject (SYSTEM_FONT));
1444 GetTextMetricsW (hdc, &tm);
1445 infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
1446 SelectObject (hdc, hOldFont);
1449 OpenThemeData(hwnd, themeClass);
1456 HEADER_Destroy (HEADER_INFO *infoPtr)
1458 HTHEME theme = GetWindowTheme(infoPtr->hwndSelf);
1459 CloseThemeData(theme);
1464 HEADER_NCDestroy (HEADER_INFO *infoPtr)
1466 HEADER_ITEM *lpItem;
1469 if (infoPtr->items) {
1470 lpItem = infoPtr->items;
1471 for (nItem = 0; nItem < infoPtr->uNumItem; nItem++, lpItem++) {
1472 Free(lpItem->pszText);
1474 Free (infoPtr->items);
1477 Free(infoPtr->order);
1480 ImageList_Destroy (infoPtr->himl);
1482 SetWindowLongPtrW (infoPtr->hwndSelf, 0, 0);
1489 static inline LRESULT
1490 HEADER_GetFont (const HEADER_INFO *infoPtr)
1492 return (LRESULT)infoPtr->hFont;
1497 HEADER_IsDragDistance(const HEADER_INFO *infoPtr, const POINT *pt)
1499 /* Windows allows for a mouse movement before starting the drag. We use the
1500 * SM_CXDOUBLECLICK/SM_CYDOUBLECLICK as that distance.
1502 return (abs(infoPtr->ptLButtonDown.x - pt->x)>GetSystemMetrics(SM_CXDOUBLECLK) ||
1503 abs(infoPtr->ptLButtonDown.y - pt->y)>GetSystemMetrics(SM_CYDOUBLECLK));
1507 HEADER_LButtonDblClk (const HEADER_INFO *infoPtr, INT x, INT y)
1515 HEADER_InternalHitTest (infoPtr, &pt, &flags, &nItem);
1517 if ((infoPtr->dwStyle & HDS_BUTTONS) && (flags == HHT_ONHEADER))
1518 HEADER_SendNotifyWithHDItemT(infoPtr, HDN_ITEMDBLCLICKW, nItem, NULL);
1519 else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN))
1520 HEADER_SendNotifyWithHDItemT(infoPtr, HDN_DIVIDERDBLCLICKW, nItem, NULL);
1527 HEADER_LButtonDown (HEADER_INFO *infoPtr, INT x, INT y)
1536 HEADER_InternalHitTest (infoPtr, &pt, &flags, &nItem);
1538 if ((infoPtr->dwStyle & HDS_BUTTONS) && (flags == HHT_ONHEADER)) {
1539 SetCapture (infoPtr->hwndSelf);
1540 infoPtr->bCaptured = TRUE;
1541 infoPtr->bPressed = TRUE;
1542 infoPtr->bDragging = FALSE;
1543 infoPtr->iMoveItem = nItem;
1544 infoPtr->ptLButtonDown = pt;
1546 infoPtr->items[nItem].bDown = TRUE;
1548 /* Send WM_CUSTOMDRAW */
1549 hdc = GetDC (infoPtr->hwndSelf);
1550 HEADER_RefreshItem (infoPtr, nItem);
1551 ReleaseDC (infoPtr->hwndSelf, hdc);
1553 TRACE("Pressed item %d!\n", nItem);
1555 else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN)) {
1556 INT iCurrWidth = infoPtr->items[nItem].cxy;
1557 if (!HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_BEGINTRACKW, nItem, HDI_WIDTH, iCurrWidth))
1559 SetCapture (infoPtr->hwndSelf);
1560 infoPtr->bCaptured = TRUE;
1561 infoPtr->bTracking = TRUE;
1562 infoPtr->iMoveItem = nItem;
1563 infoPtr->xTrackOffset = infoPtr->items[nItem].rect.right - pt.x;
1565 if (!(infoPtr->dwStyle & HDS_FULLDRAG)) {
1566 infoPtr->xOldTrack = infoPtr->items[nItem].rect.right;
1567 hdc = GetDC (infoPtr->hwndSelf);
1568 HEADER_DrawTrackLine (infoPtr, hdc, infoPtr->xOldTrack);
1569 ReleaseDC (infoPtr->hwndSelf, hdc);
1572 TRACE("Begin tracking item %d!\n", nItem);
1581 HEADER_LButtonUp (HEADER_INFO *infoPtr, INT x, INT y)
1590 HEADER_InternalHitTest (infoPtr, &pt, &flags, &nItem);
1592 if (infoPtr->bPressed) {
1594 infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
1596 if (infoPtr->bDragging)
1598 HEADER_ITEM *lpItem = &infoPtr->items[infoPtr->iMoveItem];
1601 ImageList_DragShowNolock(FALSE);
1602 ImageList_EndDrag();
1604 if (infoPtr->iHotDivider == -1)
1606 else if (infoPtr->iHotDivider == infoPtr->uNumItem)
1607 iNewOrder = infoPtr->uNumItem-1;
1610 iNewOrder = HEADER_IndexToOrder(infoPtr, infoPtr->iHotDivider);
1611 if (iNewOrder > lpItem->iOrder)
1615 if (iNewOrder != -1 &&
1616 !HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ENDDRAG, infoPtr->iMoveItem, HDI_ORDER, iNewOrder))
1618 HEADER_ChangeItemOrder(infoPtr, infoPtr->iMoveItem, iNewOrder);
1619 infoPtr->bRectsValid = FALSE;
1620 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1623 InvalidateRect(infoPtr->hwndSelf, &infoPtr->items[infoPtr->iMoveItem].rect, FALSE);
1625 infoPtr->bDragging = FALSE;
1626 HEADER_SetHotDivider(infoPtr, FALSE, -1);
1630 hdc = GetDC (infoPtr->hwndSelf);
1631 HEADER_RefreshItem (infoPtr, infoPtr->iMoveItem);
1632 ReleaseDC (infoPtr->hwndSelf, hdc);
1634 if (!(infoPtr->dwStyle & HDS_DRAGDROP) || !HEADER_IsDragDistance(infoPtr, &pt))
1635 HEADER_SendNotifyWithHDItemT(infoPtr, HDN_ITEMCLICKW, infoPtr->iMoveItem, NULL);
1638 TRACE("Released item %d!\n", infoPtr->iMoveItem);
1639 infoPtr->bPressed = FALSE;
1641 else if (infoPtr->bTracking) {
1642 INT iNewWidth = pt.x - infoPtr->items[infoPtr->iMoveItem].rect.left + infoPtr->xTrackOffset;
1645 TRACE("End tracking item %d!\n", infoPtr->iMoveItem);
1646 infoPtr->bTracking = FALSE;
1648 HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ENDTRACKW, infoPtr->iMoveItem, HDI_WIDTH, iNewWidth);
1650 if (!(infoPtr->dwStyle & HDS_FULLDRAG)) {
1651 hdc = GetDC (infoPtr->hwndSelf);
1652 HEADER_DrawTrackLine (infoPtr, hdc, infoPtr->xOldTrack);
1653 ReleaseDC (infoPtr->hwndSelf, hdc);
1656 if (!HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ITEMCHANGINGW, infoPtr->iMoveItem, HDI_WIDTH, iNewWidth))
1658 infoPtr->items[infoPtr->iMoveItem].cxy = iNewWidth;
1659 HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ITEMCHANGEDW, infoPtr->iMoveItem, HDI_WIDTH, iNewWidth);
1662 HEADER_SetItemBounds (infoPtr);
1663 InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
1666 if (infoPtr->bCaptured) {
1667 infoPtr->bCaptured = FALSE;
1669 HEADER_SendSimpleNotify (infoPtr, NM_RELEASEDCAPTURE);
1677 HEADER_NotifyFormat (HEADER_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
1682 return infoPtr->nNotifyFormat;
1685 infoPtr->nNotifyFormat =
1686 SendMessageW ((HWND)wParam, WM_NOTIFYFORMAT,
1687 (WPARAM)infoPtr->hwndSelf, (LPARAM)NF_QUERY);
1688 return infoPtr->nNotifyFormat;
1695 HEADER_MouseLeave (HEADER_INFO *infoPtr)
1697 /* Reset hot-tracked item when mouse leaves control. */
1698 INT oldHotItem = infoPtr->iHotItem;
1699 HDC hdc = GetDC (infoPtr->hwndSelf);
1701 infoPtr->iHotItem = -1;
1702 if (oldHotItem != -1) HEADER_RefreshItem (infoPtr, oldHotItem);
1703 ReleaseDC (infoPtr->hwndSelf, hdc);
1710 HEADER_MouseMove (HEADER_INFO *infoPtr, LPARAM lParam)
1716 /* With theming, hottracking is always enabled */
1717 BOOL hotTrackEnabled =
1718 ((infoPtr->dwStyle & HDS_BUTTONS) && (infoPtr->dwStyle & HDS_HOTTRACK))
1719 || (GetWindowTheme (infoPtr->hwndSelf) != NULL);
1720 INT oldHotItem = infoPtr->iHotItem;
1722 pt.x = (INT)(SHORT)LOWORD(lParam);
1723 pt.y = (INT)(SHORT)HIWORD(lParam);
1724 HEADER_InternalHitTest (infoPtr, &pt, &flags, &nItem);
1726 if (hotTrackEnabled) {
1727 if (flags & (HHT_ONHEADER | HHT_ONDIVIDER | HHT_ONDIVOPEN))
1728 infoPtr->iHotItem = nItem;
1730 infoPtr->iHotItem = -1;
1733 if (infoPtr->bCaptured) {
1734 /* check if we should drag the header */
1735 if (infoPtr->bPressed && !infoPtr->bDragging && (infoPtr->dwStyle & HDS_DRAGDROP)
1736 && HEADER_IsDragDistance(infoPtr, &pt))
1738 if (!HEADER_SendNotifyWithHDItemT(infoPtr, HDN_BEGINDRAG, infoPtr->iMoveItem, NULL))
1740 HIMAGELIST hDragItem = (HIMAGELIST)HEADER_CreateDragImage(infoPtr, infoPtr->iMoveItem);
1741 if (hDragItem != NULL)
1743 HEADER_ITEM *lpItem = &infoPtr->items[infoPtr->iMoveItem];
1744 TRACE("Starting item drag\n");
1745 ImageList_BeginDrag(hDragItem, 0, pt.x - lpItem->rect.left, 0);
1746 ImageList_DragShowNolock(TRUE);
1747 ImageList_Destroy(hDragItem);
1748 infoPtr->bDragging = TRUE;
1753 if (infoPtr->bDragging)
1758 ClientToScreen(infoPtr->hwndSelf, &drag);
1759 ImageList_DragMove(drag.x, drag.y);
1760 HEADER_SetHotDivider(infoPtr, TRUE, lParam);
1763 if (infoPtr->bPressed && !infoPtr->bDragging) {
1764 BOOL oldState = infoPtr->items[infoPtr->iMoveItem].bDown;
1765 if ((nItem == infoPtr->iMoveItem) && (flags == HHT_ONHEADER))
1766 infoPtr->items[infoPtr->iMoveItem].bDown = TRUE;
1768 infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
1769 if (oldState != infoPtr->items[infoPtr->iMoveItem].bDown) {
1770 hdc = GetDC (infoPtr->hwndSelf);
1771 HEADER_RefreshItem (infoPtr, infoPtr->iMoveItem);
1772 ReleaseDC (infoPtr->hwndSelf, hdc);
1775 TRACE("Moving pressed item %d!\n", infoPtr->iMoveItem);
1777 else if (infoPtr->bTracking) {
1778 if (infoPtr->dwStyle & HDS_FULLDRAG) {
1779 HEADER_ITEM *lpItem = &infoPtr->items[infoPtr->iMoveItem];
1780 nWidth = pt.x - lpItem->rect.left + infoPtr->xTrackOffset;
1781 if (!HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ITEMCHANGINGW, infoPtr->iMoveItem, HDI_WIDTH, nWidth))
1783 INT nOldWidth = lpItem->rect.right - lpItem->rect.left;
1787 if (nWidth < 0) nWidth = 0;
1788 infoPtr->items[infoPtr->iMoveItem].cxy = nWidth;
1789 HEADER_SetItemBounds(infoPtr);
1791 GetClientRect(infoPtr->hwndSelf, &rcClient);
1792 rcScroll = rcClient;
1793 rcScroll.left = lpItem->rect.left + nOldWidth;
1794 ScrollWindowEx(infoPtr->hwndSelf, nWidth - nOldWidth, 0, &rcScroll, &rcClient, NULL, NULL, 0);
1795 InvalidateRect(infoPtr->hwndSelf, &lpItem->rect, FALSE);
1796 UpdateWindow(infoPtr->hwndSelf);
1798 HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ITEMCHANGEDW, infoPtr->iMoveItem, HDI_WIDTH, nWidth);
1803 hdc = GetDC (infoPtr->hwndSelf);
1804 HEADER_DrawTrackLine (infoPtr, hdc, infoPtr->xOldTrack);
1805 infoPtr->xOldTrack = pt.x + infoPtr->xTrackOffset;
1806 if (infoPtr->xOldTrack < infoPtr->items[infoPtr->iMoveItem].rect.left)
1807 infoPtr->xOldTrack = infoPtr->items[infoPtr->iMoveItem].rect.left;
1808 HEADER_DrawTrackLine (infoPtr, hdc, infoPtr->xOldTrack);
1809 ReleaseDC (infoPtr->hwndSelf, hdc);
1810 iTrackWidth = infoPtr->xOldTrack - infoPtr->items[infoPtr->iMoveItem].rect.left;
1811 /* FIXME: should stop tracking if HDN_TRACK returns TRUE */
1812 HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_TRACKW, infoPtr->iMoveItem, HDI_WIDTH, iTrackWidth);
1815 TRACE("Tracking item %d!\n", infoPtr->iMoveItem);
1819 if (hotTrackEnabled) {
1820 TRACKMOUSEEVENT tme;
1821 if (oldHotItem != infoPtr->iHotItem && !infoPtr->bDragging) {
1822 hdc = GetDC (infoPtr->hwndSelf);
1823 if (oldHotItem != -1) HEADER_RefreshItem (infoPtr, oldHotItem);
1824 if (infoPtr->iHotItem != -1) HEADER_RefreshItem (infoPtr, infoPtr->iHotItem);
1825 ReleaseDC (infoPtr->hwndSelf, hdc);
1827 tme.cbSize = sizeof( tme );
1828 tme.dwFlags = TME_LEAVE;
1829 tme.hwndTrack = infoPtr->hwndSelf;
1830 TrackMouseEvent( &tme );
1838 HEADER_Paint (HEADER_INFO *infoPtr, HDC hdcParam)
1843 hdc = hdcParam==0 ? BeginPaint (infoPtr->hwndSelf, &ps) : hdcParam;
1844 HEADER_Refresh (infoPtr, hdc);
1846 EndPaint (infoPtr->hwndSelf, &ps);
1852 HEADER_RButtonUp (HEADER_INFO *infoPtr, INT x, INT y)
1860 /* Send a Notify message */
1861 bRet = HEADER_SendSimpleNotify (infoPtr, NM_RCLICK);
1863 /* Change to screen coordinate for WM_CONTEXTMENU */
1864 ClientToScreen(infoPtr->hwndSelf, &pt);
1866 /* Send a WM_CONTEXTMENU message in response to the RBUTTONUP */
1867 SendMessageW( infoPtr->hwndSelf, WM_CONTEXTMENU, (WPARAM) infoPtr->hwndSelf, MAKELPARAM(pt.x, pt.y));
1874 HEADER_SetCursor (HEADER_INFO *infoPtr, LPARAM lParam)
1880 TRACE("code=0x%X id=0x%X\n", LOWORD(lParam), HIWORD(lParam));
1883 ScreenToClient (infoPtr->hwndSelf, &pt);
1885 HEADER_InternalHitTest (infoPtr, &pt, &flags, &nItem);
1887 if (flags == HHT_ONDIVIDER)
1888 SetCursor (infoPtr->hcurDivider);
1889 else if (flags == HHT_ONDIVOPEN)
1890 SetCursor (infoPtr->hcurDivopen);
1892 SetCursor (infoPtr->hcurArrow);
1899 HEADER_SetFont (HEADER_INFO *infoPtr, HFONT hFont, WORD Redraw)
1905 infoPtr->hFont = hFont;
1908 hOldFont = SelectObject (hdc, infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT));
1909 GetTextMetricsW (hdc, &tm);
1910 infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
1911 SelectObject (hdc, hOldFont);
1914 infoPtr->bRectsValid = FALSE;
1917 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1923 static LRESULT HEADER_SetRedraw(HEADER_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
1925 /* ignoring the InvalidateRect calls is handled by user32. But some apps expect
1926 * that we invalidate the header and this has to be done manually */
1929 ret = DefWindowProcW(infoPtr->hwndSelf, WM_SETREDRAW, wParam, lParam);
1931 InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
1935 static INT HEADER_StyleChanged(HEADER_INFO *infoPtr, WPARAM wStyleType,
1936 const STYLESTRUCT *lpss)
1938 TRACE("(styletype=%lx, styleOld=0x%08x, styleNew=0x%08x)\n",
1939 wStyleType, lpss->styleOld, lpss->styleNew);
1941 if (wStyleType != GWL_STYLE) return 0;
1943 infoPtr->dwStyle = lpss->styleNew;
1948 /* Update the theme handle after a theme change */
1949 static LRESULT HEADER_ThemeChanged(const HEADER_INFO *infoPtr)
1951 HTHEME theme = GetWindowTheme(infoPtr->hwndSelf);
1952 CloseThemeData(theme);
1953 OpenThemeData(infoPtr->hwndSelf, themeClass);
1954 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1959 static LRESULT WINAPI
1960 HEADER_WindowProc (HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
1962 HEADER_INFO *infoPtr = (HEADER_INFO *)GetWindowLongPtrW(hwnd, 0);
1964 TRACE("hwnd=%p msg=%x wparam=%lx lParam=%lx\n", hwnd, msg, wParam, lParam);
1965 if (!infoPtr && (msg != WM_CREATE))
1966 return DefWindowProcW (hwnd, msg, wParam, lParam);
1968 /* case HDM_CLEARFILTER: */
1970 case HDM_CREATEDRAGIMAGE:
1971 return HEADER_CreateDragImage (infoPtr, (INT)wParam);
1973 case HDM_DELETEITEM:
1974 return HEADER_DeleteItem (infoPtr, (INT)wParam);
1976 /* case HDM_EDITFILTER: */
1978 case HDM_GETBITMAPMARGIN:
1979 return HEADER_GetBitmapMargin(infoPtr);
1981 case HDM_GETIMAGELIST:
1982 return HEADER_GetImageList (infoPtr);
1986 return HEADER_GetItemT (infoPtr, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_GETITEMW);
1988 case HDM_GETITEMCOUNT:
1989 return HEADER_GetItemCount (infoPtr);
1991 case HDM_GETITEMRECT:
1992 return HEADER_GetItemRect (infoPtr, (INT)wParam, (LPRECT)lParam);
1994 case HDM_GETORDERARRAY:
1995 return HEADER_GetOrderArray(infoPtr, (INT)wParam, (LPINT)lParam);
1997 case HDM_GETUNICODEFORMAT:
1998 return HEADER_GetUnicodeFormat (infoPtr);
2001 return HEADER_HitTest (infoPtr, (LPHDHITTESTINFO)lParam);
2003 case HDM_INSERTITEMA:
2004 case HDM_INSERTITEMW:
2005 return HEADER_InsertItemT (infoPtr, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_INSERTITEMW);
2008 return HEADER_Layout (infoPtr, (LPHDLAYOUT)lParam);
2010 case HDM_ORDERTOINDEX:
2011 return HEADER_OrderToIndex(infoPtr, (INT)wParam);
2013 case HDM_SETBITMAPMARGIN:
2014 return HEADER_SetBitmapMargin(infoPtr, (INT)wParam);
2016 /* case HDM_SETFILTERCHANGETIMEOUT: */
2018 case HDM_SETHOTDIVIDER:
2019 return HEADER_SetHotDivider(infoPtr, wParam, lParam);
2021 case HDM_SETIMAGELIST:
2022 return HEADER_SetImageList (infoPtr, (HIMAGELIST)lParam);
2026 return HEADER_SetItemT (infoPtr, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_SETITEMW);
2028 case HDM_SETORDERARRAY:
2029 return HEADER_SetOrderArray(infoPtr, (INT)wParam, (LPINT)lParam);
2031 case HDM_SETUNICODEFORMAT:
2032 return HEADER_SetUnicodeFormat (infoPtr, wParam);
2035 return HEADER_Create (hwnd, (LPCREATESTRUCTW)lParam);
2038 return HEADER_Destroy (infoPtr);
2041 return HEADER_NCDestroy (infoPtr);
2047 return DLGC_WANTTAB | DLGC_WANTARROWS;
2050 return HEADER_GetFont (infoPtr);
2052 case WM_LBUTTONDBLCLK:
2053 return HEADER_LButtonDblClk (infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam));
2055 case WM_LBUTTONDOWN:
2056 return HEADER_LButtonDown (infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam));
2059 return HEADER_LButtonUp (infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam));
2062 return HEADER_MouseLeave (infoPtr);
2065 return HEADER_MouseMove (infoPtr, lParam);
2067 case WM_NOTIFYFORMAT:
2068 return HEADER_NotifyFormat (infoPtr, wParam, lParam);
2071 return HEADER_Size (infoPtr);
2073 case WM_THEMECHANGED:
2074 return HEADER_ThemeChanged (infoPtr);
2076 case WM_PRINTCLIENT:
2078 return HEADER_Paint (infoPtr, (HDC)wParam);
2081 return HEADER_RButtonUp (infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam));
2084 return HEADER_SetCursor (infoPtr, lParam);
2087 return HEADER_SetFont (infoPtr, (HFONT)wParam, (WORD)lParam);
2090 return HEADER_SetRedraw(infoPtr, wParam, lParam);
2092 case WM_STYLECHANGED:
2093 return HEADER_StyleChanged(infoPtr, wParam, (LPSTYLESTRUCT)lParam);
2095 case WM_SYSCOLORCHANGE:
2096 COMCTL32_RefreshSysColors();
2100 if ((msg >= WM_USER) && (msg < WM_APP) && !COMCTL32_IsReflectedMessage(msg))
2101 ERR("unknown msg %04x wp=%04lx lp=%08lx\n",
2102 msg, wParam, lParam );
2103 return DefWindowProcW(hwnd, msg, wParam, lParam);
2109 HEADER_Register (void)
2113 ZeroMemory (&wndClass, sizeof(WNDCLASSW));
2114 wndClass.style = CS_GLOBALCLASS | CS_DBLCLKS;
2115 wndClass.lpfnWndProc = HEADER_WindowProc;
2116 wndClass.cbClsExtra = 0;
2117 wndClass.cbWndExtra = sizeof(HEADER_INFO *);
2118 wndClass.hCursor = LoadCursorW (0, (LPWSTR)IDC_ARROW);
2119 wndClass.lpszClassName = WC_HEADERW;
2121 RegisterClassW (&wndClass);
2126 HEADER_Unregister (void)
2128 UnregisterClassW (WC_HEADERW, NULL);