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include/roapi.h: Add further typedefs.
[wine.git] / dlls / comctl32 / header.c
bloba48530d8882fe8370b2bb16774cac00a2007022a
1 /*
2 * Header control
3 *
4 * Copyright 1998 Eric Kohl
5 * Copyright 2000 Eric Kohl for CodeWeavers
6 * Copyright 2003 Maxime Bellenge
7 * Copyright 2006 Mikolaj Zalewski
8 *
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.
13 *
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.
18 *
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
22 *
23 * TODO:
24 * - Imagelist support (completed?)
25 * - Hottrack support (completed?)
26 * - Filters support (HDS_FILTER, HDI_FILTER, HDM_*FILTER*, HDN_*FILTER*)
27 * - New Windows Vista features
28 */
29
30 #include <stdarg.h>
31 #include <stdlib.h>
32 #include <string.h>
33
34 #include "windef.h"
35 #include "winbase.h"
36 #include "wine/unicode.h"
37 #include "wingdi.h"
38 #include "winuser.h"
39 #include "winnls.h"
40 #include "commctrl.h"
41 #include "comctl32.h"
42 #include "vssym32.h"
43 #include "uxtheme.h"
44 #include "wine/debug.h"
45 #include "wine/heap.h"
46
47 WINE_DEFAULT_DEBUG_CHANNEL(header);
48
49 typedef struct
50 {
51 INT cxy;
52 HBITMAP hbm;
53 LPWSTR pszText;
54 INT fmt;
55 LPARAM lParam;
56 INT iImage;
57 INT iOrder; /* see documentation of HD_ITEM */
58
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 */
62 } HEADER_ITEM;
63
64
65 typedef struct
66 {
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 */
88 INT filter_change_timeout; /* change timeout set with HDM_SETFILTERCHANGETIMEOUT */
89
90 HIMAGELIST himl; /* handle to an image list (may be 0) */
91 HEADER_ITEM *items; /* pointer to array of HEADER_ITEM's */
92 INT *order; /* array of item IDs indexed by order */
93 BOOL bRectsValid; /* validity flag for bounding rectangles */
94 } HEADER_INFO;
95
96
97 #define VERT_BORDER 4
98 #define DIVIDER_WIDTH 10
99 #define HOT_DIVIDER_WIDTH 2
100 #define MAX_HEADER_TEXT_LEN 260
101 #define HDN_UNICODE_OFFSET 20
102 #define HDN_FIRST_UNICODE (HDN_FIRST-HDN_UNICODE_OFFSET)
103
104 #define HDI_SUPPORTED_FIELDS (HDI_WIDTH|HDI_TEXT|HDI_FORMAT|HDI_LPARAM|HDI_BITMAP|HDI_IMAGE|HDI_ORDER)
105 #define HDI_UNSUPPORTED_FIELDS (HDI_FILTER)
106 #define HDI_UNKNOWN_FIELDS (~(HDI_SUPPORTED_FIELDS|HDI_UNSUPPORTED_FIELDS|HDI_DI_SETITEM))
107 #define HDI_COMCTL32_4_0_FIELDS (HDI_WIDTH|HDI_TEXT|HDI_FORMAT|HDI_LPARAM|HDI_BITMAP)
108
109
110 static BOOL HEADER_PrepareCallbackItems(const HEADER_INFO *infoPtr, INT iItem, INT reqMask);
111 static void HEADER_FreeCallbackItems(HEADER_ITEM *lpItem);
112 static LRESULT HEADER_SendNotify(const HEADER_INFO *infoPtr, UINT code, NMHDR *hdr);
113 static LRESULT HEADER_SendCtrlCustomDraw(const HEADER_INFO *infoPtr, DWORD dwDrawStage, HDC hdc, const RECT *rect);
114
115 static const WCHAR themeClass[] = {'H','e','a','d','e','r',0};
116
117 static void HEADER_StoreHDItemInHeader(HEADER_ITEM *lpItem, UINT mask, const HDITEMW *phdi, BOOL fUnicode)
118 {
119 if (mask & HDI_UNSUPPORTED_FIELDS)
120 FIXME("unsupported header fields %x\n", (mask & HDI_UNSUPPORTED_FIELDS));
121
122 if (mask & HDI_BITMAP)
123 lpItem->hbm = phdi->hbm;
124
125 if (mask & HDI_FORMAT)
126 lpItem->fmt = phdi->fmt;
127
128 if (mask & HDI_LPARAM)
129 lpItem->lParam = phdi->lParam;
130
131 if (mask & HDI_WIDTH)
132 lpItem->cxy = phdi->cxy;
133
134 if (mask & HDI_IMAGE)
135 {
136 lpItem->iImage = phdi->iImage;
137 if (phdi->iImage == I_IMAGECALLBACK)
138 lpItem->callbackMask |= HDI_IMAGE;
139 else
140 lpItem->callbackMask &= ~HDI_IMAGE;
141 }
142
143 if (mask & HDI_TEXT)
144 {
145 heap_free(lpItem->pszText);
146 lpItem->pszText = NULL;
147
148 if (phdi->pszText != LPSTR_TEXTCALLBACKW) /* covers != TEXTCALLBACKA too */
149 {
150 static const WCHAR emptyString[] = {0};
151
152 LPCWSTR pszText = (phdi->pszText != NULL ? phdi->pszText : emptyString);
153 if (fUnicode)
154 Str_SetPtrW(&lpItem->pszText, pszText);
155 else
156 Str_SetPtrAtoW(&lpItem->pszText, (LPCSTR)pszText);
157 lpItem->callbackMask &= ~HDI_TEXT;
158 }
159 else
160 {
161 lpItem->pszText = NULL;
162 lpItem->callbackMask |= HDI_TEXT;
163 }
164 }
165 }
166
167 static inline LRESULT
168 HEADER_IndexToOrder (const HEADER_INFO *infoPtr, INT iItem)
169 {
170 HEADER_ITEM *lpItem = &infoPtr->items[iItem];
171 return lpItem->iOrder;
172 }
173
174
175 static INT
176 HEADER_OrderToIndex(const HEADER_INFO *infoPtr, INT iorder)
177 {
178 if ((iorder <0) || iorder >= infoPtr->uNumItem)
179 return iorder;
180 return infoPtr->order[iorder];
181 }
182
183 static void
184 HEADER_ChangeItemOrder(const HEADER_INFO *infoPtr, INT iItem, INT iNewOrder)
185 {
186 HEADER_ITEM *lpItem = &infoPtr->items[iItem];
187 INT i, nMin, nMax;
188
189 TRACE("%d: %d->%d\n", iItem, lpItem->iOrder, iNewOrder);
190 if (lpItem->iOrder < iNewOrder)
191 {
192 memmove(&infoPtr->order[lpItem->iOrder],
193 &infoPtr->order[lpItem->iOrder + 1],
194 (iNewOrder - lpItem->iOrder) * sizeof(INT));
195 }
196 if (iNewOrder < lpItem->iOrder)
197 {
198 memmove(&infoPtr->order[iNewOrder + 1],
199 &infoPtr->order[iNewOrder],
200 (lpItem->iOrder - iNewOrder) * sizeof(INT));
201 }
202 infoPtr->order[iNewOrder] = iItem;
203 nMin = min(lpItem->iOrder, iNewOrder);
204 nMax = max(lpItem->iOrder, iNewOrder);
205 for (i = nMin; i <= nMax; i++)
206 infoPtr->items[infoPtr->order[i]].iOrder = i;
207 }
208
209 /* Note: if iItem is the last item then this function returns infoPtr->uNumItem */
210 static INT
211 HEADER_NextItem(const HEADER_INFO *infoPtr, INT iItem)
212 {
213 return HEADER_OrderToIndex(infoPtr, HEADER_IndexToOrder(infoPtr, iItem)+1);
214 }
215
216 static INT
217 HEADER_PrevItem(const HEADER_INFO *infoPtr, INT iItem)
218 {
219 return HEADER_OrderToIndex(infoPtr, HEADER_IndexToOrder(infoPtr, iItem)-1);
220 }
221
222 /* TRUE when item is not resizable with dividers,
223 note that valid index should be supplied */
224 static inline BOOL
225 HEADER_IsItemFixed(const HEADER_INFO *infoPtr, INT iItem)
226 {
227 return (infoPtr->dwStyle & HDS_NOSIZING) || (infoPtr->items[iItem].fmt & HDF_FIXEDWIDTH);
228 }
229
230 static void
231 HEADER_SetItemBounds (HEADER_INFO *infoPtr)
232 {
233 HEADER_ITEM *phdi;
234 RECT rect;
235 unsigned int i;
236 int x;
237
238 infoPtr->bRectsValid = TRUE;
239
240 if (infoPtr->uNumItem == 0)
241 return;
242
243 GetClientRect (infoPtr->hwndSelf, &rect);
244
245 x = rect.left;
246 for (i = 0; i < infoPtr->uNumItem; i++) {
247 phdi = &infoPtr->items[HEADER_OrderToIndex(infoPtr,i)];
248 phdi->rect.top = rect.top;
249 phdi->rect.bottom = rect.bottom;
250 phdi->rect.left = x;
251 phdi->rect.right = phdi->rect.left + ((phdi->cxy>0)?phdi->cxy:0);
252 x = phdi->rect.right;
253 }
254 }
255
256 static LRESULT
257 HEADER_Size (HEADER_INFO *infoPtr)
258 {
259 HEADER_SetItemBounds(infoPtr);
260 return 0;
261 }
262
263 static void HEADER_GetHotDividerRect(const HEADER_INFO *infoPtr, RECT *r)
264 {
265 INT iDivider = infoPtr->iHotDivider;
266 if (infoPtr->uNumItem > 0)
267 {
268 HEADER_ITEM *lpItem;
269
270 if (iDivider < infoPtr->uNumItem)
271 {
272 lpItem = &infoPtr->items[iDivider];
273 r->left = lpItem->rect.left - HOT_DIVIDER_WIDTH/2;
274 r->right = lpItem->rect.left + HOT_DIVIDER_WIDTH/2;
275 }
276 else
277 {
278 lpItem = &infoPtr->items[HEADER_OrderToIndex(infoPtr, infoPtr->uNumItem-1)];
279 r->left = lpItem->rect.right - HOT_DIVIDER_WIDTH/2;
280 r->right = lpItem->rect.right + HOT_DIVIDER_WIDTH/2;
281 }
282 r->top = lpItem->rect.top;
283 r->bottom = lpItem->rect.bottom;
284 }
285 else
286 {
287 RECT clientRect;
288 GetClientRect(infoPtr->hwndSelf, &clientRect);
289 *r = clientRect;
290 r->right = r->left + HOT_DIVIDER_WIDTH/2;
291 }
292 }
293
294 static void
295 HEADER_FillItemFrame(HEADER_INFO *infoPtr, HDC hdc, RECT *r, const HEADER_ITEM *item, BOOL hottrack)
296 {
297 HTHEME theme = GetWindowTheme (infoPtr->hwndSelf);
298
299 if (theme) {
300 int state = (item->bDown) ? HIS_PRESSED : (hottrack ? HIS_HOT : HIS_NORMAL);
301 DrawThemeBackground (theme, hdc, HP_HEADERITEM, state, r, NULL);
302 GetThemeBackgroundContentRect (theme, hdc, HP_HEADERITEM, state, r, r);
303 }
304 else
305 {
306 HBRUSH hbr = CreateSolidBrush(GetBkColor(hdc));
307 FillRect(hdc, r, hbr);
308 DeleteObject(hbr);
309 }
310 }
311
312 static void
313 HEADER_DrawItemFrame(HEADER_INFO *infoPtr, HDC hdc, RECT *r, const HEADER_ITEM *item)
314 {
315 if (GetWindowTheme(infoPtr->hwndSelf)) return;
316
317 if (!(infoPtr->dwStyle & HDS_FLAT))
318 {
319 if (infoPtr->dwStyle & HDS_BUTTONS) {
320 if (item->bDown)
321 DrawEdge (hdc, r, BDR_RAISEDOUTER, BF_RECT | BF_FLAT | BF_ADJUST);
322 else
323 DrawEdge (hdc, r, EDGE_RAISED, BF_RECT | BF_SOFT | BF_ADJUST);
324 }
325 else
326 DrawEdge (hdc, r, EDGE_ETCHED, BF_BOTTOM | BF_RIGHT | BF_ADJUST);
327 }
328 }
329
330 /* Create a region for the sort arrow with its bounding rect's top-left
331 co-ord x,y and its height h. */
332 static HRGN create_sort_arrow( INT x, INT y, INT h, BOOL is_up )
333 {
334 char buffer[256];
335 RGNDATA *data = (RGNDATA *)buffer;
336 DWORD size = FIELD_OFFSET(RGNDATA, Buffer[h * sizeof(RECT)]);
337 INT i, yinc = 1;
338 HRGN rgn;
339
340 if (size > sizeof(buffer))
341 {
342 data = heap_alloc( size );
343 if (!data) return NULL;
344 }
345 data->rdh.dwSize = sizeof(data->rdh);
346 data->rdh.iType = RDH_RECTANGLES;
347 data->rdh.nCount = 0;
348 data->rdh.nRgnSize = h * sizeof(RECT);
349
350 if (!is_up)
351 {
352 y += h - 1;
353 yinc = -1;
354 }
355
356 x += h - 1; /* set x to the centre */
357
358 for (i = 0; i < h; i++, y += yinc)
359 {
360 RECT *rect = (RECT *)data->Buffer + data->rdh.nCount;
361 rect->left = x - i;
362 rect->top = y;
363 rect->right = x + i + 1;
364 rect->bottom = y + 1;
365 data->rdh.nCount++;
366 }
367 rgn = ExtCreateRegion( NULL, size, data );
368 if (data != (RGNDATA *)buffer) heap_free( data );
369 return rgn;
370 }
371
372 static INT
373 HEADER_DrawItem (HEADER_INFO *infoPtr, HDC hdc, INT iItem, BOOL bHotTrack, LRESULT lCDFlags)
374 {
375 HEADER_ITEM *phdi = &infoPtr->items[iItem];
376 RECT r;
377 INT oldBkMode;
378 HTHEME theme = GetWindowTheme (infoPtr->hwndSelf);
379 NMCUSTOMDRAW nmcd;
380 int state = 0;
381
382 TRACE("DrawItem(iItem %d bHotTrack %d unicode flag %d)\n", iItem, bHotTrack, (infoPtr->nNotifyFormat == NFR_UNICODE));
383
384 r = phdi->rect;
385 if (r.right - r.left == 0)
386 return phdi->rect.right;
387
388 if (theme)
389 state = (phdi->bDown) ? HIS_PRESSED : (bHotTrack ? HIS_HOT : HIS_NORMAL);
390
391 /* Set the colors before sending NM_CUSTOMDRAW so that it can change them */
392 SetTextColor(hdc, (bHotTrack && !theme) ? COLOR_HIGHLIGHT : COLOR_BTNTEXT);
393 SetBkColor(hdc, comctl32_color.clr3dFace);
394
395 if (lCDFlags & CDRF_NOTIFYITEMDRAW && !(phdi->fmt & HDF_OWNERDRAW))
396 {
397 LRESULT lCDItemFlags;
398
399 nmcd.dwDrawStage = CDDS_PREPAINT | CDDS_ITEM;
400 nmcd.hdc = hdc;
401 nmcd.dwItemSpec = iItem;
402 nmcd.rc = r;
403 nmcd.uItemState = phdi->bDown ? CDIS_SELECTED : 0;
404 nmcd.lItemlParam = phdi->lParam;
405
406 lCDItemFlags = HEADER_SendNotify(infoPtr, NM_CUSTOMDRAW, (NMHDR *)&nmcd);
407 if (lCDItemFlags & CDRF_SKIPDEFAULT)
408 return phdi->rect.right;
409 }
410
411 /* Fill background, owner could draw over it. */
412 HEADER_FillItemFrame(infoPtr, hdc, &r, phdi, bHotTrack);
413
414 if (phdi->fmt & HDF_OWNERDRAW)
415 {
416 DRAWITEMSTRUCT dis;
417 BOOL ret;
418
419 dis.CtlType = ODT_HEADER;
420 dis.CtlID = GetWindowLongPtrW (infoPtr->hwndSelf, GWLP_ID);
421 dis.itemID = iItem;
422 dis.itemAction = ODA_DRAWENTIRE;
423 dis.itemState = phdi->bDown ? ODS_SELECTED : 0;
424 dis.hwndItem = infoPtr->hwndSelf;
425 dis.hDC = hdc;
426 dis.rcItem = phdi->rect;
427 dis.itemData = phdi->lParam;
428 oldBkMode = SetBkMode(hdc, TRANSPARENT);
429 ret = SendMessageW (infoPtr->hwndNotify, WM_DRAWITEM, dis.CtlID, (LPARAM)&dis);
430 if (oldBkMode != TRANSPARENT)
431 SetBkMode(hdc, oldBkMode);
432
433 if (!ret)
434 HEADER_FillItemFrame(infoPtr, hdc, &r, phdi, bHotTrack);
435
436 /* Edges are always drawn if we don't have attached theme. */
437 HEADER_DrawItemFrame(infoPtr, hdc, &r, phdi);
438 /* If application processed WM_DRAWITEM we should skip label painting,
439 edges are drawn no matter what. */
440 if (ret) return phdi->rect.right;
441 }
442 else
443 HEADER_DrawItemFrame(infoPtr, hdc, &r, phdi);
444
445 if (phdi->bDown) {
446 r.left += 2;
447 r.top += 2;
448 }
449
450 /* Now text and image */
451 {
452 INT rw, rh; /* width and height of r */
453 INT *x = NULL; /* x and ... */
454 UINT *w = NULL; /* ... width of the pic (bmp or img) which is part of cnt */
455 /* cnt,txt,img,bmp */
456 INT cx, tx, ix, bx;
457 UINT cw, tw, iw, bw;
458 INT img_cx, img_cy;
459 INT sort_w, sort_x, sort_h;
460 BITMAP bmp;
461
462 HEADER_PrepareCallbackItems(infoPtr, iItem, HDI_TEXT|HDI_IMAGE);
463 cw = iw = bw = sort_w = sort_h = 0;
464 rw = r.right - r.left;
465 rh = r.bottom - r.top;
466
467 if (phdi->fmt & HDF_STRING) {
468 RECT textRect;
469
470 SetRectEmpty(&textRect);
471
472 if (theme) {
473 GetThemeTextExtent(theme, hdc, HP_HEADERITEM, state, phdi->pszText, -1,
474 DT_LEFT|DT_VCENTER|DT_SINGLELINE, NULL, &textRect);
475 } else {
476 DrawTextW (hdc, phdi->pszText, -1,
477 &textRect, DT_LEFT|DT_VCENTER|DT_SINGLELINE|DT_CALCRECT);
478 }
479 cw = textRect.right - textRect.left + 2 * infoPtr->iMargin;
480 }
481
482 if (phdi->fmt & (HDF_SORTUP | HDF_SORTDOWN)) {
483 sort_h = MulDiv( infoPtr->nHeight - VERT_BORDER, 4, 13 );
484 sort_w = 2 * sort_h - 1 + infoPtr->iMargin * 2;
485 cw += sort_w;
486 } else { /* sort arrows take precedent over images/bitmaps */
487 if ((phdi->fmt & HDF_IMAGE) && ImageList_GetIconSize( infoPtr->himl, &img_cx, &img_cy )) {
488 iw = img_cx + 2 * infoPtr->iMargin;
489 x = &ix;
490 w = &iw;
491 }
492
493 if ((phdi->fmt & HDF_BITMAP) && (phdi->hbm)) {
494 GetObjectW (phdi->hbm, sizeof(BITMAP), &bmp);
495 bw = bmp.bmWidth + 2 * infoPtr->iMargin;
496 if (!iw) {
497 x = &bx;
498 w = &bw;
499 }
500 }
501 if (bw || iw)
502 cw += *w;
503 }
504
505 /* align cx using the unclipped cw */
506 if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_LEFT)
507 cx = r.left;
508 else if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_CENTER)
509 cx = r.left + rw / 2 - cw / 2;
510 else /* HDF_RIGHT */
511 cx = r.right - cw;
512
513 /* clip cx & cw */
514 if (cx < r.left)
515 cx = r.left;
516 if (cx + cw > r.right)
517 cw = r.right - cx;
518
519 tx = cx + infoPtr->iMargin;
520 /* since cw might have changed we have to recalculate tw */
521 tw = cw - infoPtr->iMargin * 2;
522
523 tw -= sort_w;
524 sort_x = cx + tw + infoPtr->iMargin * 3;
525
526 if (iw || bw) {
527 tw -= *w;
528 if (phdi->fmt & HDF_BITMAP_ON_RIGHT) {
529 /* put pic behind text */
530 *x = cx + tw + infoPtr->iMargin * 3;
531 } else {
532 *x = cx + infoPtr->iMargin;
533 /* move text behind pic */
534 tx += *w;
535 }
536 }
537
538 if (iw && bw) {
539 /* since we're done with the layout we can
540 now calculate the position of bmp which
541 has no influence on alignment and layout
542 because of img */
543 if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_RIGHT)
544 bx = cx - bw + infoPtr->iMargin;
545 else
546 bx = cx + cw + infoPtr->iMargin;
547 }
548
549 if (sort_w || iw || bw) {
550 HDC hClipDC = GetDC(infoPtr->hwndSelf);
551 HRGN hClipRgn = CreateRectRgn(r.left, r.top, r.right, r.bottom);
552 SelectClipRgn(hClipDC, hClipRgn);
553
554 if (sort_w) {
555 HRGN arrow = create_sort_arrow( sort_x, r.top + (rh - sort_h) / 2,
556 sort_h, phdi->fmt & HDF_SORTUP );
557 if (arrow) {
558 FillRgn( hClipDC, arrow, GetSysColorBrush( COLOR_GRAYTEXT ) );
559 DeleteObject( arrow );
560 }
561 }
562
563 if (bw) {
564 HDC hdcBitmap = CreateCompatibleDC (hClipDC);
565 SelectObject (hdcBitmap, phdi->hbm);
566 BitBlt (hClipDC, bx, r.top + (rh - bmp.bmHeight) / 2,
567 bmp.bmWidth, bmp.bmHeight, hdcBitmap, 0, 0, SRCCOPY);
568 DeleteDC (hdcBitmap);
569 }
570
571 if (iw) {
572 ImageList_DrawEx (infoPtr->himl, phdi->iImage, hClipDC,
573 ix, r.top + (rh - img_cy) / 2,
574 img_cx, img_cy, CLR_DEFAULT, CLR_DEFAULT, 0);
575 }
576
577 DeleteObject(hClipRgn);
578 ReleaseDC(infoPtr->hwndSelf, hClipDC);
579 }
580
581 if (((phdi->fmt & HDF_STRING)
582 || (!(phdi->fmt & (HDF_OWNERDRAW|HDF_STRING|HDF_BITMAP|
583 HDF_BITMAP_ON_RIGHT|HDF_IMAGE)))) /* no explicit format specified? */
584 && (phdi->pszText)) {
585 oldBkMode = SetBkMode(hdc, TRANSPARENT);
586 r.left = tx;
587 r.right = tx + tw;
588 if (theme) {
589 DrawThemeText(theme, hdc, HP_HEADERITEM, state, phdi->pszText,
590 -1, DT_LEFT|DT_END_ELLIPSIS|DT_VCENTER|DT_SINGLELINE,
591 0, &r);
592 } else {
593 DrawTextW (hdc, phdi->pszText, -1,
594 &r, DT_LEFT|DT_END_ELLIPSIS|DT_VCENTER|DT_SINGLELINE);
595 }
596 if (oldBkMode != TRANSPARENT)
597 SetBkMode(hdc, oldBkMode);
598 }
599 HEADER_FreeCallbackItems(phdi);
600 }
601
602 return phdi->rect.right;
603 }
604
605 static void
606 HEADER_DrawHotDivider(const HEADER_INFO *infoPtr, HDC hdc)
607 {
608 HBRUSH brush;
609 RECT r;
610
611 HEADER_GetHotDividerRect(infoPtr, &r);
612 brush = CreateSolidBrush(comctl32_color.clrHighlight);
613 FillRect(hdc, &r, brush);
614 DeleteObject(brush);
615 }
616
617 static void
618 HEADER_Refresh (HEADER_INFO *infoPtr, HDC hdc)
619 {
620 HFONT hFont, hOldFont;
621 RECT rect, rcRest;
622 HBRUSH hbrBk;
623 UINT i;
624 INT x;
625 LRESULT lCDFlags;
626 HTHEME theme = GetWindowTheme (infoPtr->hwndSelf);
627
628 if (!infoPtr->bRectsValid)
629 HEADER_SetItemBounds(infoPtr);
630
631 /* get rect for the bar, adjusted for the border */
632 GetClientRect (infoPtr->hwndSelf, &rect);
633 lCDFlags = HEADER_SendCtrlCustomDraw(infoPtr, CDDS_PREPAINT, hdc, &rect);
634
635 if (infoPtr->bDragging)
636 ImageList_DragShowNolock(FALSE);
637
638 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT);
639 hOldFont = SelectObject (hdc, hFont);
640
641 /* draw Background */
642 if (infoPtr->uNumItem == 0 && theme == NULL) {
643 hbrBk = GetSysColorBrush(COLOR_3DFACE);
644 FillRect(hdc, &rect, hbrBk);
645 }
646
647 x = rect.left;
648 for (i = 0; x <= rect.right && i < infoPtr->uNumItem; i++) {
649 int idx = HEADER_OrderToIndex(infoPtr,i);
650 if (RectVisible(hdc, &infoPtr->items[idx].rect))
651 HEADER_DrawItem(infoPtr, hdc, idx, infoPtr->iHotItem == idx, lCDFlags);
652 x = infoPtr->items[idx].rect.right;
653 }
654
655 rcRest = rect;
656 rcRest.left = x;
657 if ((x <= rect.right) && RectVisible(hdc, &rcRest) && (infoPtr->uNumItem > 0)) {
658 if (theme != NULL) {
659 DrawThemeBackground(theme, hdc, HP_HEADERITEM, HIS_NORMAL, &rcRest, NULL);
660 }
661 else if (infoPtr->dwStyle & HDS_FLAT) {
662 hbrBk = GetSysColorBrush(COLOR_3DFACE);
663 FillRect(hdc, &rcRest, hbrBk);
664 }
665 else
666 {
667 if (infoPtr->dwStyle & HDS_BUTTONS)
668 DrawEdge (hdc, &rcRest, EDGE_RAISED, BF_TOP|BF_LEFT|BF_BOTTOM|BF_SOFT|BF_MIDDLE);
669 else
670 DrawEdge (hdc, &rcRest, EDGE_ETCHED, BF_BOTTOM|BF_MIDDLE);
671 }
672 }
673
674 if (infoPtr->iHotDivider != -1)
675 HEADER_DrawHotDivider(infoPtr, hdc);
676
677 if (infoPtr->bDragging)
678 ImageList_DragShowNolock(TRUE);
679 SelectObject (hdc, hOldFont);
680
681 if (lCDFlags & CDRF_NOTIFYPOSTPAINT)
682 HEADER_SendCtrlCustomDraw(infoPtr, CDDS_POSTPAINT, hdc, &rect);
683 }
684
685
686 static void
687 HEADER_RefreshItem (HEADER_INFO *infoPtr, INT iItem)
688 {
689 if (!infoPtr->bRectsValid)
690 HEADER_SetItemBounds(infoPtr);
691
692 InvalidateRect(infoPtr->hwndSelf, &infoPtr->items[iItem].rect, FALSE);
693 }
694
695
696 static void
697 HEADER_InternalHitTest (const HEADER_INFO *infoPtr, const POINT *lpPt, UINT *pFlags, INT *pItem)
698 {
699 RECT rect, rcTest;
700 UINT iCount;
701 INT width;
702 BOOL bNoWidth;
703
704 GetClientRect (infoPtr->hwndSelf, &rect);
705
706 *pFlags = 0;
707 bNoWidth = FALSE;
708 if (PtInRect (&rect, *lpPt))
709 {
710 if (infoPtr->uNumItem == 0) {
711 *pFlags |= HHT_NOWHERE;
712 *pItem = 1;
713 TRACE("NOWHERE\n");
714 return;
715 }
716 else {
717 /* somewhere inside */
718 for (iCount = 0; iCount < infoPtr->uNumItem; iCount++) {
719 rect = infoPtr->items[iCount].rect;
720 width = rect.right - rect.left;
721 if (width == 0) {
722 bNoWidth = TRUE;
723 continue;
724 }
725 if (PtInRect (&rect, *lpPt)) {
726 if (width <= 2 * DIVIDER_WIDTH) {
727 *pFlags |= HHT_ONHEADER;
728 *pItem = iCount;
729 TRACE("ON HEADER %d\n", iCount);
730 return;
731 }
732 if (HEADER_IndexToOrder(infoPtr, iCount) > 0) {
733 rcTest = rect;
734 rcTest.right = rcTest.left + DIVIDER_WIDTH;
735 if (PtInRect (&rcTest, *lpPt)) {
736 if (HEADER_IsItemFixed(infoPtr, HEADER_PrevItem(infoPtr, iCount)))
737 {
738 *pFlags |= HHT_ONHEADER;
739 *pItem = iCount;
740 TRACE("ON HEADER %d\n", *pItem);
741 return;
742 }
743 if (bNoWidth) {
744 *pFlags |= HHT_ONDIVOPEN;
745 *pItem = HEADER_PrevItem(infoPtr, iCount);
746 TRACE("ON DIVOPEN %d\n", *pItem);
747 return;
748 }
749 else {
750 *pFlags |= HHT_ONDIVIDER;
751 *pItem = HEADER_PrevItem(infoPtr, iCount);
752 TRACE("ON DIVIDER %d\n", *pItem);
753 return;
754 }
755 }
756 }
757 rcTest = rect;
758 rcTest.left = rcTest.right - DIVIDER_WIDTH;
759 if (!HEADER_IsItemFixed(infoPtr, iCount) && PtInRect (&rcTest, *lpPt))
760 {
761 *pFlags |= HHT_ONDIVIDER;
762 *pItem = iCount;
763 TRACE("ON DIVIDER %d\n", *pItem);
764 return;
765 }
766
767 *pFlags |= HHT_ONHEADER;
768 *pItem = iCount;
769 TRACE("ON HEADER %d\n", iCount);
770 return;
771 }
772 }
773
774 /* check for last divider part (on nowhere) */
775 if (!HEADER_IsItemFixed(infoPtr, infoPtr->uNumItem - 1))
776 {
777 rect = infoPtr->items[infoPtr->uNumItem-1].rect;
778 rect.left = rect.right;
779 rect.right += DIVIDER_WIDTH;
780 if (PtInRect (&rect, *lpPt)) {
781 if (bNoWidth) {
782 *pFlags |= HHT_ONDIVOPEN;
783 *pItem = infoPtr->uNumItem - 1;
784 TRACE("ON DIVOPEN %d\n", *pItem);
785 return;
786 }
787 else {
788 *pFlags |= HHT_ONDIVIDER;
789 *pItem = infoPtr->uNumItem - 1;
790 TRACE("ON DIVIDER %d\n", *pItem);
791 return;
792 }
793 }
794 }
795
796 *pFlags |= HHT_NOWHERE;
797 *pItem = 1;
798 TRACE("NOWHERE\n");
799 return;
800 }
801 }
802 else {
803 if (lpPt->x < rect.left) {
804 TRACE("TO LEFT\n");
805 *pFlags |= HHT_TOLEFT;
806 }
807 else if (lpPt->x > rect.right) {
808 TRACE("TO RIGHT\n");
809 *pFlags |= HHT_TORIGHT;
810 }
811
812 if (lpPt->y < rect.top) {
813 TRACE("ABOVE\n");
814 *pFlags |= HHT_ABOVE;
815 }
816 else if (lpPt->y > rect.bottom) {
817 TRACE("BELOW\n");
818 *pFlags |= HHT_BELOW;
819 }
820 }
821
822 *pItem = 1;
823 TRACE("flags=0x%X\n", *pFlags);
824 return;
825 }
826
827
828 static void
829 HEADER_DrawTrackLine (const HEADER_INFO *infoPtr, HDC hdc, INT x)
830 {
831 RECT rect;
832
833 GetClientRect (infoPtr->hwndSelf, &rect);
834 PatBlt( hdc, x, rect.top, 1, rect.bottom - rect.top, DSTINVERT );
835 }
836
837 /***
838 * DESCRIPTION:
839 * Convert a HDITEM into the correct format (ANSI/Unicode) to send it in a notify
840 *
841 * PARAMETER(S):
842 * [I] infoPtr : the header that wants to send the notify
843 * [O] dest : The buffer to store the HDITEM for notify. It may be set to a HDITEMA of HDITEMW
844 * [I] src : The source HDITEM. It may be a HDITEMA or HDITEMW
845 * [I] fSourceUnicode : is src a HDITEMW or HDITEMA
846 * [O] ppvScratch : a pointer to a scratch buffer that needs to be freed after
847 * the HDITEM is no longer in use or NULL if none was needed
848 *
849 * NOTE: We depend on HDITEMA and HDITEMW having the same structure
850 */
851 static void HEADER_CopyHDItemForNotify(const HEADER_INFO *infoPtr, HDITEMW *dest,
852 const HDITEMW *src, BOOL fSourceUnicode, LPVOID *ppvScratch)
853 {
854 *ppvScratch = NULL;
855 *dest = *src;
856
857 if (src->mask & HDI_TEXT && src->pszText != LPSTR_TEXTCALLBACKW) /* covers TEXTCALLBACKA as well */
858 {
859 if (fSourceUnicode && infoPtr->nNotifyFormat != NFR_UNICODE)
860 {
861 dest->pszText = NULL;
862 Str_SetPtrWtoA((LPSTR *)&dest->pszText, src->pszText);
863 *ppvScratch = dest->pszText;
864 }
865
866 if (!fSourceUnicode && infoPtr->nNotifyFormat == NFR_UNICODE)
867 {
868 dest->pszText = NULL;
869 Str_SetPtrAtoW(&dest->pszText, (LPSTR)src->pszText);
870 *ppvScratch = dest->pszText;
871 }
872 }
873 }
874
875 static UINT HEADER_NotifyCodeWtoA(UINT code)
876 {
877 /* we use the fact that all the unicode messages are in HDN_FIRST_UNICODE..HDN_LAST*/
878 if (code >= HDN_LAST && code <= HDN_FIRST_UNICODE)
879 return code + HDN_UNICODE_OFFSET;
880 else
881 return code;
882 }
883
884 static LRESULT
885 HEADER_SendNotify(const HEADER_INFO *infoPtr, UINT code, NMHDR *nmhdr)
886 {
887 nmhdr->hwndFrom = infoPtr->hwndSelf;
888 nmhdr->idFrom = GetWindowLongPtrW (infoPtr->hwndSelf, GWLP_ID);
889 nmhdr->code = code;
890
891 return SendMessageW(infoPtr->hwndNotify, WM_NOTIFY,
892 nmhdr->idFrom, (LPARAM)nmhdr);
893 }
894
895 static BOOL
896 HEADER_SendSimpleNotify (const HEADER_INFO *infoPtr, UINT code)
897 {
898 NMHDR nmhdr;
899 return (BOOL)HEADER_SendNotify(infoPtr, code, &nmhdr);
900 }
901
902 static LRESULT
903 HEADER_SendCtrlCustomDraw(const HEADER_INFO *infoPtr, DWORD dwDrawStage, HDC hdc, const RECT *rect)
904 {
905 NMCUSTOMDRAW nm;
906 nm.dwDrawStage = dwDrawStage;
907 nm.hdc = hdc;
908 nm.rc = *rect;
909 nm.dwItemSpec = 0;
910 nm.uItemState = 0;
911 nm.lItemlParam = 0;
912
913 return HEADER_SendNotify(infoPtr, NM_CUSTOMDRAW, (NMHDR *)&nm);
914 }
915
916 static BOOL
917 HEADER_SendNotifyWithHDItemT(const HEADER_INFO *infoPtr, UINT code, INT iItem, HDITEMW *lpItem)
918 {
919 NMHEADERW nmhdr;
920
921 if (infoPtr->nNotifyFormat != NFR_UNICODE)
922 code = HEADER_NotifyCodeWtoA(code);
923 nmhdr.iItem = iItem;
924 nmhdr.iButton = 0;
925 nmhdr.pitem = lpItem;
926
927 return (BOOL)HEADER_SendNotify(infoPtr, code, (NMHDR *)&nmhdr);
928 }
929
930 static BOOL
931 HEADER_SendNotifyWithIntFieldT(const HEADER_INFO *infoPtr, UINT code, INT iItem, INT mask, INT iValue)
932 {
933 HDITEMW nmitem;
934
935 /* copying only the iValue should be ok but to make the code more robust we copy everything */
936 nmitem.cxy = infoPtr->items[iItem].cxy;
937 nmitem.hbm = infoPtr->items[iItem].hbm;
938 nmitem.pszText = NULL;
939 nmitem.cchTextMax = 0;
940 nmitem.fmt = infoPtr->items[iItem].fmt;
941 nmitem.lParam = infoPtr->items[iItem].lParam;
942 nmitem.iOrder = infoPtr->items[iItem].iOrder;
943 nmitem.iImage = infoPtr->items[iItem].iImage;
944
945 nmitem.mask = mask;
946 switch (mask)
947 {
948 case HDI_WIDTH:
949 nmitem.cxy = iValue;
950 break;
951 case HDI_ORDER:
952 nmitem.iOrder = iValue;
953 break;
954 default:
955 ERR("invalid mask value 0x%x\n", iValue);
956 }
957
958 return HEADER_SendNotifyWithHDItemT(infoPtr, code, iItem, &nmitem);
959 }
960
961 /**
962 * Prepare callback items
963 * depends on NMHDDISPINFOW having same structure as NMHDDISPINFOA
964 * (so we handle the two cases only doing a specific cast for pszText).
965 * Checks if any of the required fields is a callback. If this is the case sends a
966 * NMHDISPINFO notify to retrieve these items. The items are stored in the
967 * HEADER_ITEM pszText and iImage fields. They should be freed with
968 * HEADER_FreeCallbackItems.
969 *
970 * @param hwnd : hwnd header container handler
971 * @param iItem : the header item id
972 * @param reqMask : required fields. If any of them is callback this function will fetch it
973 *
974 * @return TRUE on success, else FALSE
975 */
976 static BOOL
977 HEADER_PrepareCallbackItems(const HEADER_INFO *infoPtr, INT iItem, INT reqMask)
978 {
979 HEADER_ITEM *lpItem = &infoPtr->items[iItem];
980 DWORD mask = reqMask & lpItem->callbackMask;
981 NMHDDISPINFOW dispInfo;
982 void *pvBuffer = NULL;
983
984 if (mask == 0)
985 return TRUE;
986 if (mask&HDI_TEXT && lpItem->pszText != NULL)
987 {
988 ERR("(): function called without a call to FreeCallbackItems\n");
989 heap_free(lpItem->pszText);
990 lpItem->pszText = NULL;
991 }
992
993 memset(&dispInfo, 0, sizeof(NMHDDISPINFOW));
994 dispInfo.hdr.hwndFrom = infoPtr->hwndSelf;
995 dispInfo.hdr.idFrom = GetWindowLongPtrW (infoPtr->hwndSelf, GWLP_ID);
996 if (infoPtr->nNotifyFormat == NFR_UNICODE)
997 {
998 dispInfo.hdr.code = HDN_GETDISPINFOW;
999 if (mask & HDI_TEXT)
1000 pvBuffer = heap_alloc_zero(MAX_HEADER_TEXT_LEN * sizeof(WCHAR));
1001 }
1002 else
1003 {
1004 dispInfo.hdr.code = HDN_GETDISPINFOA;
1005 if (mask & HDI_TEXT)
1006 pvBuffer = heap_alloc_zero(MAX_HEADER_TEXT_LEN * sizeof(CHAR));
1007 }
1008 dispInfo.pszText = pvBuffer;
1009 dispInfo.cchTextMax = (pvBuffer!=NULL?MAX_HEADER_TEXT_LEN:0);
1010 dispInfo.iItem = iItem;
1011 dispInfo.mask = mask;
1012 dispInfo.lParam = lpItem->lParam;
1013
1014 TRACE("Sending HDN_GETDISPINFO%c\n", infoPtr->nNotifyFormat == NFR_UNICODE?'W':'A');
1015 SendMessageW(infoPtr->hwndNotify, WM_NOTIFY, dispInfo.hdr.idFrom, (LPARAM)&dispInfo);
1016
1017 TRACE("SendMessage returns(mask:0x%x,str:%s,lParam:%p)\n",
1018 dispInfo.mask,
1019 (infoPtr->nNotifyFormat == NFR_UNICODE ? debugstr_w(dispInfo.pszText) : (LPSTR) dispInfo.pszText),
1020 (void*) dispInfo.lParam);
1021
1022 if (mask & HDI_IMAGE)
1023 lpItem->iImage = dispInfo.iImage;
1024 if (mask & HDI_TEXT)
1025 {
1026 if (infoPtr->nNotifyFormat == NFR_UNICODE)
1027 {
1028 lpItem->pszText = pvBuffer;
1029
1030 /* the user might have used his own buffer */
1031 if (dispInfo.pszText != lpItem->pszText)
1032 Str_GetPtrW(dispInfo.pszText, lpItem->pszText, MAX_HEADER_TEXT_LEN);
1033 }
1034 else
1035 {
1036 Str_SetPtrAtoW(&lpItem->pszText, (LPSTR)dispInfo.pszText);
1037 heap_free(pvBuffer);
1038 }
1039 }
1040
1041 if (dispInfo.mask & HDI_DI_SETITEM)
1042 {
1043 /* make the items permanent */
1044 lpItem->callbackMask &= ~dispInfo.mask;
1045 }
1046
1047 return TRUE;
1048 }
1049
1050 /***
1051 * DESCRIPTION:
1052 * Free the items that might be allocated with HEADER_PrepareCallbackItems
1053 *
1054 * PARAMETER(S):
1055 * [I] lpItem : the item to free the data
1056 *
1057 */
1058 static void
1059 HEADER_FreeCallbackItems(HEADER_ITEM *lpItem)
1060 {
1061 if (lpItem->callbackMask&HDI_TEXT)
1062 {
1063 heap_free(lpItem->pszText);
1064 lpItem->pszText = NULL;
1065 }
1066
1067 if (lpItem->callbackMask&HDI_IMAGE)
1068 lpItem->iImage = I_IMAGECALLBACK;
1069 }
1070
1071 static HIMAGELIST
1072 HEADER_CreateDragImage (HEADER_INFO *infoPtr, INT iItem)
1073 {
1074 HEADER_ITEM *lpItem;
1075 HIMAGELIST himl;
1076 HBITMAP hMemory, hOldBitmap;
1077 LRESULT lCDFlags;
1078 RECT rc;
1079 HDC hMemoryDC;
1080 HDC hDeviceDC;
1081 int height, width;
1082 HFONT hFont;
1083
1084 if (iItem >= infoPtr->uNumItem)
1085 return NULL;
1086
1087 if (!infoPtr->bRectsValid)
1088 HEADER_SetItemBounds(infoPtr);
1089
1090 lpItem = &infoPtr->items[iItem];
1091 width = lpItem->rect.right - lpItem->rect.left;
1092 height = lpItem->rect.bottom - lpItem->rect.top;
1093
1094 hDeviceDC = GetDC(NULL);
1095 hMemoryDC = CreateCompatibleDC(hDeviceDC);
1096 hMemory = CreateCompatibleBitmap(hDeviceDC, width, height);
1097 ReleaseDC(NULL, hDeviceDC);
1098 hOldBitmap = SelectObject(hMemoryDC, hMemory);
1099 SetViewportOrgEx(hMemoryDC, -lpItem->rect.left, -lpItem->rect.top, NULL);
1100 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject(SYSTEM_FONT);
1101 SelectObject(hMemoryDC, hFont);
1102
1103 GetClientRect(infoPtr->hwndSelf, &rc);
1104 lCDFlags = HEADER_SendCtrlCustomDraw(infoPtr, CDDS_PREPAINT, hMemoryDC, &rc);
1105 HEADER_DrawItem(infoPtr, hMemoryDC, iItem, FALSE, lCDFlags);
1106 if (lCDFlags & CDRF_NOTIFYPOSTPAINT)
1107 HEADER_SendCtrlCustomDraw(infoPtr, CDDS_POSTPAINT, hMemoryDC, &rc);
1108
1109 hMemory = SelectObject(hMemoryDC, hOldBitmap);
1110 DeleteDC(hMemoryDC);
1111
1112 if (hMemory == NULL) /* if anything failed */
1113 return NULL;
1114
1115 himl = ImageList_Create(width, height, ILC_COLORDDB, 1, 1);
1116 ImageList_Add(himl, hMemory, NULL);
1117 DeleteObject(hMemory);
1118 return himl;
1119 }
1120
1121 static LRESULT
1122 HEADER_SetHotDivider(HEADER_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
1123 {
1124 INT iDivider;
1125 RECT r;
1126
1127 if (wParam)
1128 {
1129 POINT pt;
1130 UINT flags;
1131 pt.x = (INT)(SHORT)LOWORD(lParam);
1132 pt.y = 0;
1133 HEADER_InternalHitTest (infoPtr, &pt, &flags, &iDivider);
1134
1135 if (flags & HHT_TOLEFT)
1136 iDivider = 0;
1137 else if (flags & HHT_NOWHERE || flags & HHT_TORIGHT)
1138 iDivider = infoPtr->uNumItem;
1139 else
1140 {
1141 HEADER_ITEM *lpItem = &infoPtr->items[iDivider];
1142 if (pt.x > (lpItem->rect.left+lpItem->rect.right)/2)
1143 iDivider = HEADER_NextItem(infoPtr, iDivider);
1144 }
1145 }
1146 else
1147 iDivider = (INT)lParam;
1148
1149 /* Note; wParam==FALSE, lParam==-1 is valid and is used to clear the hot divider */
1150 if (iDivider<-1 || iDivider>(int)infoPtr->uNumItem)
1151 return iDivider;
1152
1153 if (iDivider != infoPtr->iHotDivider)
1154 {
1155 if (infoPtr->iHotDivider != -1)
1156 {
1157 HEADER_GetHotDividerRect(infoPtr, &r);
1158 InvalidateRect(infoPtr->hwndSelf, &r, FALSE);
1159 }
1160 infoPtr->iHotDivider = iDivider;
1161 if (iDivider != -1)
1162 {
1163 HEADER_GetHotDividerRect(infoPtr, &r);
1164 InvalidateRect(infoPtr->hwndSelf, &r, FALSE);
1165 }
1166 }
1167 return iDivider;
1168 }
1169
1170 static LRESULT
1171 HEADER_DeleteItem (HEADER_INFO *infoPtr, INT iItem)
1172 {
1173 INT iOrder;
1174 UINT i;
1175
1176 TRACE("[iItem=%d]\n", iItem);
1177
1178 if ((iItem < 0) || (iItem >= (INT)infoPtr->uNumItem))
1179 return FALSE;
1180
1181 for (i = 0; i < infoPtr->uNumItem; i++)
1182 TRACE("%d: order=%d, iOrder=%d, ->iOrder=%d\n", i, infoPtr->order[i], infoPtr->items[i].iOrder, infoPtr->items[infoPtr->order[i]].iOrder);
1183
1184 iOrder = infoPtr->items[iItem].iOrder;
1185 heap_free(infoPtr->items[iItem].pszText);
1186
1187 infoPtr->uNumItem--;
1188 memmove(&infoPtr->items[iItem], &infoPtr->items[iItem + 1],
1189 (infoPtr->uNumItem - iItem) * sizeof(HEADER_ITEM));
1190 memmove(&infoPtr->order[iOrder], &infoPtr->order[iOrder + 1],
1191 (infoPtr->uNumItem - iOrder) * sizeof(INT));
1192 infoPtr->items = heap_realloc(infoPtr->items, sizeof(HEADER_ITEM) * infoPtr->uNumItem);
1193 infoPtr->order = heap_realloc(infoPtr->order, sizeof(INT) * infoPtr->uNumItem);
1194
1195 /* Correct the orders */
1196 for (i = 0; i < infoPtr->uNumItem; i++)
1197 {
1198 if (infoPtr->order[i] > iItem)
1199 infoPtr->order[i]--;
1200 if (i >= iOrder)
1201 infoPtr->items[infoPtr->order[i]].iOrder = i;
1202 }
1203 for (i = 0; i < infoPtr->uNumItem; i++)
1204 TRACE("%d: order=%d, iOrder=%d, ->iOrder=%d\n", i, infoPtr->order[i], infoPtr->items[i].iOrder, infoPtr->items[infoPtr->order[i]].iOrder);
1205
1206 HEADER_SetItemBounds (infoPtr);
1207 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1208
1209 return TRUE;
1210 }
1211
1212
1213 static LRESULT
1214 HEADER_GetImageList (const HEADER_INFO *infoPtr)
1215 {
1216 return (LRESULT)infoPtr->himl;
1217 }
1218
1219
1220 static LRESULT
1221 HEADER_GetItemT (const HEADER_INFO *infoPtr, INT nItem, LPHDITEMW phdi, BOOL bUnicode)
1222 {
1223 HEADER_ITEM *lpItem;
1224 UINT mask;
1225
1226 if (!phdi)
1227 return FALSE;
1228
1229 TRACE("[nItem=%d]\n", nItem);
1230
1231 mask = phdi->mask;
1232 if (mask == 0)
1233 return TRUE;
1234
1235 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
1236 return FALSE;
1237
1238 if (mask & HDI_UNKNOWN_FIELDS)
1239 {
1240 TRACE("mask %x contains unknown fields. Using only comctl32 4.0 fields\n", mask);
1241 mask &= HDI_COMCTL32_4_0_FIELDS;
1242 }
1243
1244 lpItem = &infoPtr->items[nItem];
1245 HEADER_PrepareCallbackItems(infoPtr, nItem, mask);
1246
1247 if (mask & HDI_BITMAP)
1248 phdi->hbm = lpItem->hbm;
1249
1250 if (mask & HDI_FORMAT)
1251 phdi->fmt = lpItem->fmt;
1252
1253 if (mask & HDI_WIDTH)
1254 phdi->cxy = lpItem->cxy;
1255
1256 if (mask & HDI_LPARAM)
1257 phdi->lParam = lpItem->lParam;
1258
1259 if (mask & HDI_IMAGE)
1260 phdi->iImage = lpItem->iImage;
1261
1262 if (mask & HDI_ORDER)
1263 phdi->iOrder = lpItem->iOrder;
1264
1265 if (mask & HDI_TEXT)
1266 {
1267 if (bUnicode)
1268 Str_GetPtrW (lpItem->pszText, phdi->pszText, phdi->cchTextMax);
1269 else
1270 Str_GetPtrWtoA (lpItem->pszText, (LPSTR)phdi->pszText, phdi->cchTextMax);
1271 }
1272
1273 HEADER_FreeCallbackItems(lpItem);
1274 return TRUE;
1275 }
1276
1277
1278 static inline LRESULT
1279 HEADER_GetItemCount (const HEADER_INFO *infoPtr)
1280 {
1281 return infoPtr->uNumItem;
1282 }
1283
1284
1285 static LRESULT
1286 HEADER_GetItemRect (const HEADER_INFO *infoPtr, INT iItem, LPRECT lpRect)
1287 {
1288 if ((iItem < 0) || (iItem >= (INT)infoPtr->uNumItem))
1289 return FALSE;
1290
1291 lpRect->left = infoPtr->items[iItem].rect.left;
1292 lpRect->right = infoPtr->items[iItem].rect.right;
1293 lpRect->top = infoPtr->items[iItem].rect.top;
1294 lpRect->bottom = infoPtr->items[iItem].rect.bottom;
1295
1296 return TRUE;
1297 }
1298
1299
1300 static LRESULT
1301 HEADER_GetOrderArray(const HEADER_INFO *infoPtr, INT size, LPINT order)
1302 {
1303 if ((UINT)size <infoPtr->uNumItem)
1304 return FALSE;
1305
1306 memcpy(order, infoPtr->order, infoPtr->uNumItem * sizeof(INT));
1307 return TRUE;
1308 }
1309
1310 /* Returns index of first duplicate 'value' from [0,to) range,
1311 or -1 if there isn't any */
1312 static INT has_duplicate(const INT *array, INT to, INT value)
1313 {
1314 INT i;
1315 for(i = 0; i < to; i++)
1316 if (array[i] == value) return i;
1317 return -1;
1318 }
1319
1320 /* returns next available value from [0,max] not to duplicate in [0,to) */
1321 static INT get_nextvalue(const INT *array, INT to, INT max)
1322 {
1323 INT i;
1324 for(i = 0; i < max; i++)
1325 if (has_duplicate(array, to, i) == -1) return i;
1326 return 0;
1327 }
1328
1329 static LRESULT
1330 HEADER_SetOrderArray(HEADER_INFO *infoPtr, INT size, const INT *order)
1331 {
1332 HEADER_ITEM *lpItem;
1333 INT i;
1334
1335 if ((UINT)size != infoPtr->uNumItem)
1336 return FALSE;
1337
1338 if (TRACE_ON(header))
1339 {
1340 TRACE("count=%d, order array={", size);
1341 for (i = 0; i < size; i++)
1342 TRACE("%d%c", order[i], i != size-1 ? ',' : '}');
1343 TRACE("\n");
1344 }
1345
1346 for (i=0; i<size; i++)
1347 {
1348 if (order[i] >= size || order[i] < 0)
1349 /* on invalid index get next available */
1350 /* FIXME: if i==0 array item is out of range behaviour is
1351 different, see tests */
1352 infoPtr->order[i] = get_nextvalue(infoPtr->order, i, size);
1353 else
1354 {
1355 INT j, dup;
1356
1357 infoPtr->order[i] = order[i];
1358 j = i;
1359 /* remove duplicates */
1360 while ((dup = has_duplicate(infoPtr->order, j, order[j])) != -1)
1361 {
1362 INT next;
1363
1364 next = get_nextvalue(infoPtr->order, j, size);
1365 infoPtr->order[dup] = next;
1366 j--;
1367 }
1368 }
1369 }
1370 /* sync with item data */
1371 for (i=0; i<size; i++)
1372 {
1373 lpItem = &infoPtr->items[infoPtr->order[i]];
1374 lpItem->iOrder = i;
1375 }
1376 HEADER_SetItemBounds(infoPtr);
1377 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1378 return TRUE;
1379 }
1380
1381 static inline LRESULT
1382 HEADER_GetUnicodeFormat (const HEADER_INFO *infoPtr)
1383 {
1384 return (infoPtr->nNotifyFormat == NFR_UNICODE);
1385 }
1386
1387
1388 static LRESULT
1389 HEADER_HitTest (const HEADER_INFO *infoPtr, LPHDHITTESTINFO phti)
1390 {
1391 UINT outside = HHT_NOWHERE | HHT_ABOVE | HHT_BELOW | HHT_TOLEFT | HHT_TORIGHT;
1392
1393 HEADER_InternalHitTest (infoPtr, &phti->pt, &phti->flags, &phti->iItem);
1394
1395 if (phti->flags & outside)
1396 return phti->iItem = -1;
1397 else
1398 return phti->iItem;
1399 }
1400
1401
1402 static LRESULT
1403 HEADER_InsertItemT (HEADER_INFO *infoPtr, INT nItem, const HDITEMW *phdi, BOOL bUnicode)
1404 {
1405 HEADER_ITEM *lpItem;
1406 INT iOrder;
1407 UINT i;
1408 UINT copyMask;
1409
1410 if ((phdi == NULL) || (nItem < 0) || (phdi->mask == 0))
1411 return -1;
1412
1413 if (nItem > infoPtr->uNumItem)
1414 nItem = infoPtr->uNumItem;
1415
1416 iOrder = (phdi->mask & HDI_ORDER) ? phdi->iOrder : nItem;
1417 if (iOrder < 0)
1418 iOrder = 0;
1419 else if (infoPtr->uNumItem < iOrder)
1420 iOrder = infoPtr->uNumItem;
1421
1422 infoPtr->uNumItem++;
1423 infoPtr->items = heap_realloc(infoPtr->items, sizeof(HEADER_ITEM) * infoPtr->uNumItem);
1424 infoPtr->order = heap_realloc(infoPtr->order, sizeof(INT) * infoPtr->uNumItem);
1425
1426 /* make space for the new item */
1427 memmove(&infoPtr->items[nItem + 1], &infoPtr->items[nItem],
1428 (infoPtr->uNumItem - nItem - 1) * sizeof(HEADER_ITEM));
1429 memmove(&infoPtr->order[iOrder + 1], &infoPtr->order[iOrder],
1430 (infoPtr->uNumItem - iOrder - 1) * sizeof(INT));
1431
1432 /* update the order array */
1433 infoPtr->order[iOrder] = nItem;
1434 for (i = 0; i < infoPtr->uNumItem; i++)
1435 {
1436 if (i != iOrder && infoPtr->order[i] >= nItem)
1437 infoPtr->order[i]++;
1438 infoPtr->items[infoPtr->order[i]].iOrder = i;
1439 }
1440
1441 lpItem = &infoPtr->items[nItem];
1442 ZeroMemory(lpItem, sizeof(HEADER_ITEM));
1443 /* cxy, fmt and lParam are copied even if not in the HDITEM mask */
1444 copyMask = phdi->mask | HDI_WIDTH | HDI_FORMAT | HDI_LPARAM;
1445 HEADER_StoreHDItemInHeader(lpItem, copyMask, phdi, bUnicode);
1446 lpItem->iOrder = iOrder;
1447
1448 /* set automatically some format bits */
1449 if (phdi->mask & HDI_TEXT)
1450 lpItem->fmt |= HDF_STRING;
1451 else
1452 lpItem->fmt &= ~HDF_STRING;
1453
1454 if (lpItem->hbm != NULL)
1455 lpItem->fmt |= HDF_BITMAP;
1456 else
1457 lpItem->fmt &= ~HDF_BITMAP;
1458
1459 if (phdi->mask & HDI_IMAGE)
1460 lpItem->fmt |= HDF_IMAGE;
1461
1462 HEADER_SetItemBounds (infoPtr);
1463 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1464
1465 return nItem;
1466 }
1467
1468
1469 static LRESULT
1470 HEADER_Layout (HEADER_INFO *infoPtr, LPHDLAYOUT lpLayout)
1471 {
1472 lpLayout->pwpos->hwnd = infoPtr->hwndSelf;
1473 lpLayout->pwpos->hwndInsertAfter = 0;
1474 lpLayout->pwpos->x = lpLayout->prc->left;
1475 lpLayout->pwpos->y = lpLayout->prc->top;
1476 lpLayout->pwpos->cx = lpLayout->prc->right - lpLayout->prc->left;
1477 if (infoPtr->dwStyle & HDS_HIDDEN)
1478 lpLayout->pwpos->cy = 0;
1479 else {
1480 lpLayout->pwpos->cy = infoPtr->nHeight;
1481 lpLayout->prc->top += infoPtr->nHeight;
1482 }
1483 lpLayout->pwpos->flags = SWP_NOZORDER;
1484
1485 TRACE("Layout x=%d y=%d cx=%d cy=%d\n",
1486 lpLayout->pwpos->x, lpLayout->pwpos->y,
1487 lpLayout->pwpos->cx, lpLayout->pwpos->cy);
1488
1489 infoPtr->bRectsValid = FALSE;
1490
1491 return TRUE;
1492 }
1493
1494
1495 static LRESULT
1496 HEADER_SetImageList (HEADER_INFO *infoPtr, HIMAGELIST himl)
1497 {
1498 HIMAGELIST himlOld;
1499
1500 TRACE("(himl %p)\n", himl);
1501 himlOld = infoPtr->himl;
1502 infoPtr->himl = himl;
1503
1504 /* FIXME: Refresh needed??? */
1505
1506 return (LRESULT)himlOld;
1507 }
1508
1509
1510 static LRESULT
1511 HEADER_GetBitmapMargin(const HEADER_INFO *infoPtr)
1512 {
1513 return infoPtr->iMargin;
1514 }
1515
1516 static LRESULT
1517 HEADER_SetBitmapMargin(HEADER_INFO *infoPtr, INT iMargin)
1518 {
1519 INT oldMargin = infoPtr->iMargin;
1520
1521 infoPtr->iMargin = iMargin;
1522
1523 return oldMargin;
1524 }
1525
1526 static LRESULT
1527 HEADER_SetItemT (HEADER_INFO *infoPtr, INT nItem, const HDITEMW *phdi, BOOL bUnicode)
1528 {
1529 HEADER_ITEM *lpItem;
1530 HDITEMW hdNotify;
1531 void *pvScratch;
1532
1533 if (phdi == NULL)
1534 return FALSE;
1535 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
1536 return FALSE;
1537
1538 TRACE("[nItem=%d]\n", nItem);
1539
1540 HEADER_CopyHDItemForNotify(infoPtr, &hdNotify, phdi, bUnicode, &pvScratch);
1541 if (HEADER_SendNotifyWithHDItemT(infoPtr, HDN_ITEMCHANGINGW, nItem, &hdNotify))
1542 {
1543 heap_free(pvScratch);
1544 return FALSE;
1545 }
1546
1547 lpItem = &infoPtr->items[nItem];
1548 HEADER_StoreHDItemInHeader(lpItem, phdi->mask, phdi, bUnicode);
1549
1550 if (phdi->mask & HDI_ORDER)
1551 if (phdi->iOrder >= 0 && phdi->iOrder < infoPtr->uNumItem)
1552 HEADER_ChangeItemOrder(infoPtr, nItem, phdi->iOrder);
1553
1554 HEADER_SendNotifyWithHDItemT(infoPtr, HDN_ITEMCHANGEDW, nItem, &hdNotify);
1555
1556 HEADER_SetItemBounds (infoPtr);
1557
1558 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1559
1560 heap_free(pvScratch);
1561 return TRUE;
1562 }
1563
1564 static inline LRESULT
1565 HEADER_SetUnicodeFormat (HEADER_INFO *infoPtr, WPARAM wParam)
1566 {
1567 BOOL bTemp = (infoPtr->nNotifyFormat == NFR_UNICODE);
1568
1569 infoPtr->nNotifyFormat = ((BOOL)wParam ? NFR_UNICODE : NFR_ANSI);
1570
1571 return bTemp;
1572 }
1573
1574
1575 static LRESULT
1576 HEADER_Create (HWND hwnd, const CREATESTRUCTW *lpcs)
1577 {
1578 HEADER_INFO *infoPtr;
1579 TEXTMETRICW tm;
1580 HFONT hOldFont;
1581 HDC hdc;
1582
1583 infoPtr = heap_alloc_zero (sizeof(*infoPtr));
1584 SetWindowLongPtrW (hwnd, 0, (DWORD_PTR)infoPtr);
1585
1586 infoPtr->hwndSelf = hwnd;
1587 infoPtr->hwndNotify = lpcs->hwndParent;
1588 infoPtr->uNumItem = 0;
1589 infoPtr->hFont = 0;
1590 infoPtr->items = 0;
1591 infoPtr->order = 0;
1592 infoPtr->bRectsValid = FALSE;
1593 infoPtr->hcurArrow = LoadCursorW (0, (LPWSTR)IDC_ARROW);
1594 infoPtr->hcurDivider = LoadCursorW (COMCTL32_hModule, MAKEINTRESOURCEW(IDC_DIVIDER));
1595 infoPtr->hcurDivopen = LoadCursorW (COMCTL32_hModule, MAKEINTRESOURCEW(IDC_DIVIDEROPEN));
1596 infoPtr->bPressed = FALSE;
1597 infoPtr->bTracking = FALSE;
1598 infoPtr->dwStyle = lpcs->style;
1599 infoPtr->iMoveItem = 0;
1600 infoPtr->himl = 0;
1601 infoPtr->iHotItem = -1;
1602 infoPtr->iHotDivider = -1;
1603 infoPtr->iMargin = 3*GetSystemMetrics(SM_CXEDGE);
1604 infoPtr->nNotifyFormat =
1605 SendMessageW (infoPtr->hwndNotify, WM_NOTIFYFORMAT, (WPARAM)hwnd, NF_QUERY);
1606 infoPtr->filter_change_timeout = 1000;
1607
1608 hdc = GetDC (0);
1609 hOldFont = SelectObject (hdc, GetStockObject (SYSTEM_FONT));
1610 GetTextMetricsW (hdc, &tm);
1611 infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
1612 SelectObject (hdc, hOldFont);
1613 ReleaseDC (0, hdc);
1614
1615 OpenThemeData(hwnd, themeClass);
1616
1617 return 0;
1618 }
1619
1620
1621 static LRESULT
1622 HEADER_Destroy (HEADER_INFO *infoPtr)
1623 {
1624 HTHEME theme = GetWindowTheme(infoPtr->hwndSelf);
1625 CloseThemeData(theme);
1626 return 0;
1627 }
1628
1629 static LRESULT
1630 HEADER_NCDestroy (HEADER_INFO *infoPtr)
1631 {
1632 HEADER_ITEM *lpItem;
1633 INT nItem;
1634
1635 if (infoPtr->items) {
1636 lpItem = infoPtr->items;
1637 for (nItem = 0; nItem < infoPtr->uNumItem; nItem++, lpItem++)
1638 heap_free(lpItem->pszText);
1639 heap_free(infoPtr->items);
1640 }
1641
1642 heap_free(infoPtr->order);
1643
1644 SetWindowLongPtrW (infoPtr->hwndSelf, 0, 0);
1645 heap_free(infoPtr);
1646
1647 return 0;
1648 }
1649
1650
1651 static inline LRESULT
1652 HEADER_GetFont (const HEADER_INFO *infoPtr)
1653 {
1654 return (LRESULT)infoPtr->hFont;
1655 }
1656
1657
1658 static BOOL
1659 HEADER_IsDragDistance(const HEADER_INFO *infoPtr, const POINT *pt)
1660 {
1661 /* Windows allows for a mouse movement before starting the drag. We use the
1662 * SM_CXDOUBLECLICK/SM_CYDOUBLECLICK as that distance.
1663 */
1664 return (abs(infoPtr->ptLButtonDown.x - pt->x)>GetSystemMetrics(SM_CXDOUBLECLK) ||
1665 abs(infoPtr->ptLButtonDown.y - pt->y)>GetSystemMetrics(SM_CYDOUBLECLK));
1666 }
1667
1668 static LRESULT
1669 HEADER_LButtonDblClk (const HEADER_INFO *infoPtr, INT x, INT y)
1670 {
1671 POINT pt;
1672 UINT flags;
1673 INT nItem;
1674
1675 pt.x = x;
1676 pt.y = y;
1677 HEADER_InternalHitTest (infoPtr, &pt, &flags, &nItem);
1678
1679 if ((infoPtr->dwStyle & HDS_BUTTONS) && (flags == HHT_ONHEADER))
1680 HEADER_SendNotifyWithHDItemT(infoPtr, HDN_ITEMDBLCLICKW, nItem, NULL);
1681 else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN))
1682 HEADER_SendNotifyWithHDItemT(infoPtr, HDN_DIVIDERDBLCLICKW, nItem, NULL);
1683
1684 return 0;
1685 }
1686
1687
1688 static LRESULT
1689 HEADER_LButtonDown (HEADER_INFO *infoPtr, INT x, INT y)
1690 {
1691 POINT pt;
1692 UINT flags;
1693 INT nItem;
1694 HDC hdc;
1695
1696 pt.x = x;
1697 pt.y = y;
1698 HEADER_InternalHitTest (infoPtr, &pt, &flags, &nItem);
1699
1700 if ((infoPtr->dwStyle & HDS_BUTTONS) && (flags == HHT_ONHEADER)) {
1701 SetCapture (infoPtr->hwndSelf);
1702 infoPtr->bCaptured = TRUE;
1703 infoPtr->bPressed = TRUE;
1704 infoPtr->bDragging = FALSE;
1705 infoPtr->iMoveItem = nItem;
1706 infoPtr->ptLButtonDown = pt;
1707
1708 infoPtr->items[nItem].bDown = TRUE;
1709
1710 /* Send WM_CUSTOMDRAW */
1711 hdc = GetDC (infoPtr->hwndSelf);
1712 HEADER_RefreshItem (infoPtr, nItem);
1713 ReleaseDC (infoPtr->hwndSelf, hdc);
1714
1715 TRACE("Pressed item %d.\n", nItem);
1716 }
1717 else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN)) {
1718 INT iCurrWidth = infoPtr->items[nItem].cxy;
1719 if (!HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_BEGINTRACKW, nItem, HDI_WIDTH, iCurrWidth))
1720 {
1721 SetCapture (infoPtr->hwndSelf);
1722 infoPtr->bCaptured = TRUE;
1723 infoPtr->bTracking = TRUE;
1724 infoPtr->iMoveItem = nItem;
1725 infoPtr->xTrackOffset = infoPtr->items[nItem].rect.right - pt.x;
1726
1727 if (!(infoPtr->dwStyle & HDS_FULLDRAG)) {
1728 infoPtr->xOldTrack = infoPtr->items[nItem].rect.right;
1729 hdc = GetDC (infoPtr->hwndSelf);
1730 HEADER_DrawTrackLine (infoPtr, hdc, infoPtr->xOldTrack);
1731 ReleaseDC (infoPtr->hwndSelf, hdc);
1732 }
1733
1734 TRACE("Begin tracking item %d.\n", nItem);
1735 }
1736 }
1737
1738 return 0;
1739 }
1740
1741
1742 static LRESULT
1743 HEADER_LButtonUp (HEADER_INFO *infoPtr, INT x, INT y)
1744 {
1745 POINT pt;
1746 UINT flags;
1747 INT nItem;
1748 HDC hdc;
1749
1750 pt.x = x;
1751 pt.y = y;
1752 HEADER_InternalHitTest (infoPtr, &pt, &flags, &nItem);
1753
1754 if (infoPtr->bPressed) {
1755
1756 infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
1757
1758 if (infoPtr->bDragging)
1759 {
1760 HEADER_ITEM *lpItem = &infoPtr->items[infoPtr->iMoveItem];
1761 INT iNewOrder;
1762
1763 ImageList_DragShowNolock(FALSE);
1764 ImageList_EndDrag();
1765
1766 if (infoPtr->iHotDivider == -1)
1767 iNewOrder = -1;
1768 else if (infoPtr->iHotDivider == infoPtr->uNumItem)
1769 iNewOrder = infoPtr->uNumItem-1;
1770 else
1771 {
1772 iNewOrder = HEADER_IndexToOrder(infoPtr, infoPtr->iHotDivider);
1773 if (iNewOrder > lpItem->iOrder)
1774 iNewOrder--;
1775 }
1776
1777 if (iNewOrder != -1 &&
1778 !HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ENDDRAG, infoPtr->iMoveItem, HDI_ORDER, iNewOrder))
1779 {
1780 HEADER_ChangeItemOrder(infoPtr, infoPtr->iMoveItem, iNewOrder);
1781 infoPtr->bRectsValid = FALSE;
1782 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1783 }
1784 else
1785 InvalidateRect(infoPtr->hwndSelf, &infoPtr->items[infoPtr->iMoveItem].rect, FALSE);
1786
1787 infoPtr->bDragging = FALSE;
1788 HEADER_SetHotDivider(infoPtr, FALSE, -1);
1789 }
1790 else
1791 {
1792 hdc = GetDC (infoPtr->hwndSelf);
1793 HEADER_RefreshItem (infoPtr, infoPtr->iMoveItem);
1794 ReleaseDC (infoPtr->hwndSelf, hdc);
1795
1796 if (!(infoPtr->dwStyle & HDS_DRAGDROP) || !HEADER_IsDragDistance(infoPtr, &pt))
1797 HEADER_SendNotifyWithHDItemT(infoPtr, HDN_ITEMCLICKW, infoPtr->iMoveItem, NULL);
1798 }
1799
1800 TRACE("Released item %d.\n", infoPtr->iMoveItem);
1801 infoPtr->bPressed = FALSE;
1802 }
1803 else if (infoPtr->bTracking) {
1804 INT iNewWidth = pt.x - infoPtr->items[infoPtr->iMoveItem].rect.left + infoPtr->xTrackOffset;
1805 if (iNewWidth < 0)
1806 iNewWidth = 0;
1807 TRACE("End tracking item %d.\n", infoPtr->iMoveItem);
1808 infoPtr->bTracking = FALSE;
1809
1810 HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ENDTRACKW, infoPtr->iMoveItem, HDI_WIDTH, iNewWidth);
1811
1812 if (!(infoPtr->dwStyle & HDS_FULLDRAG)) {
1813 hdc = GetDC (infoPtr->hwndSelf);
1814 HEADER_DrawTrackLine (infoPtr, hdc, infoPtr->xOldTrack);
1815 ReleaseDC (infoPtr->hwndSelf, hdc);
1816 }
1817
1818 if (!HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ITEMCHANGINGW, infoPtr->iMoveItem, HDI_WIDTH, iNewWidth))
1819 {
1820 infoPtr->items[infoPtr->iMoveItem].cxy = iNewWidth;
1821 HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ITEMCHANGEDW, infoPtr->iMoveItem, HDI_WIDTH, iNewWidth);
1822 }
1823
1824 HEADER_SetItemBounds (infoPtr);
1825 InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
1826 }
1827
1828 if (infoPtr->bCaptured) {
1829 infoPtr->bCaptured = FALSE;
1830 ReleaseCapture ();
1831 HEADER_SendSimpleNotify (infoPtr, NM_RELEASEDCAPTURE);
1832 }
1833
1834 return 0;
1835 }
1836
1837
1838 static LRESULT
1839 HEADER_NotifyFormat (HEADER_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
1840 {
1841 switch (lParam)
1842 {
1843 case NF_QUERY:
1844 return infoPtr->nNotifyFormat;
1845
1846 case NF_REQUERY:
1847 infoPtr->nNotifyFormat =
1848 SendMessageW ((HWND)wParam, WM_NOTIFYFORMAT,
1849 (WPARAM)infoPtr->hwndSelf, NF_QUERY);
1850 return infoPtr->nNotifyFormat;
1851 }
1852
1853 return 0;
1854 }
1855
1856 static LRESULT
1857 HEADER_MouseLeave (HEADER_INFO *infoPtr)
1858 {
1859 /* Reset hot-tracked item when mouse leaves control. */
1860 INT oldHotItem = infoPtr->iHotItem;
1861 HDC hdc = GetDC (infoPtr->hwndSelf);
1862
1863 infoPtr->iHotItem = -1;
1864 if (oldHotItem != -1) HEADER_RefreshItem (infoPtr, oldHotItem);
1865 ReleaseDC (infoPtr->hwndSelf, hdc);
1866
1867 return 0;
1868 }
1869
1870
1871 static LRESULT
1872 HEADER_MouseMove (HEADER_INFO *infoPtr, LPARAM lParam)
1873 {
1874 POINT pt;
1875 UINT flags;
1876 INT nItem, nWidth;
1877 HDC hdc;
1878 /* With theming, hottracking is always enabled */
1879 BOOL hotTrackEnabled =
1880 ((infoPtr->dwStyle & HDS_BUTTONS) && (infoPtr->dwStyle & HDS_HOTTRACK))
1881 || (GetWindowTheme (infoPtr->hwndSelf) != NULL);
1882 INT oldHotItem = infoPtr->iHotItem;
1883
1884 pt.x = (INT)(SHORT)LOWORD(lParam);
1885 pt.y = (INT)(SHORT)HIWORD(lParam);
1886 HEADER_InternalHitTest (infoPtr, &pt, &flags, &nItem);
1887
1888 if (hotTrackEnabled) {
1889 if (flags & (HHT_ONHEADER | HHT_ONDIVIDER | HHT_ONDIVOPEN))
1890 infoPtr->iHotItem = nItem;
1891 else
1892 infoPtr->iHotItem = -1;
1893 }
1894
1895 if (infoPtr->bCaptured) {
1896 /* check if we should drag the header */
1897 if (infoPtr->bPressed && !infoPtr->bDragging && (infoPtr->dwStyle & HDS_DRAGDROP)
1898 && HEADER_IsDragDistance(infoPtr, &pt))
1899 {
1900 if (!HEADER_SendNotifyWithHDItemT(infoPtr, HDN_BEGINDRAG, infoPtr->iMoveItem, NULL))
1901 {
1902 HIMAGELIST hDragItem = HEADER_CreateDragImage(infoPtr, infoPtr->iMoveItem);
1903 if (hDragItem != NULL)
1904 {
1905 HEADER_ITEM *lpItem = &infoPtr->items[infoPtr->iMoveItem];
1906 TRACE("Starting item drag\n");
1907 ImageList_BeginDrag(hDragItem, 0, pt.x - lpItem->rect.left, 0);
1908 ImageList_DragShowNolock(TRUE);
1909 ImageList_Destroy(hDragItem);
1910 infoPtr->bDragging = TRUE;
1911 }
1912 }
1913 }
1914
1915 if (infoPtr->bDragging)
1916 {
1917 POINT drag;
1918 drag.x = pt.x;
1919 drag.y = 0;
1920 ClientToScreen(infoPtr->hwndSelf, &drag);
1921 ImageList_DragMove(drag.x, drag.y);
1922 HEADER_SetHotDivider(infoPtr, TRUE, lParam);
1923 }
1924
1925 if (infoPtr->bPressed && !infoPtr->bDragging) {
1926 BOOL oldState = infoPtr->items[infoPtr->iMoveItem].bDown;
1927 if ((nItem == infoPtr->iMoveItem) && (flags == HHT_ONHEADER))
1928 infoPtr->items[infoPtr->iMoveItem].bDown = TRUE;
1929 else
1930 infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
1931 if (oldState != infoPtr->items[infoPtr->iMoveItem].bDown) {
1932 hdc = GetDC (infoPtr->hwndSelf);
1933 HEADER_RefreshItem (infoPtr, infoPtr->iMoveItem);
1934 ReleaseDC (infoPtr->hwndSelf, hdc);
1935 }
1936
1937 TRACE("Moving pressed item %d.\n", infoPtr->iMoveItem);
1938 }
1939 else if (infoPtr->bTracking) {
1940 if (infoPtr->dwStyle & HDS_FULLDRAG) {
1941 HEADER_ITEM *lpItem = &infoPtr->items[infoPtr->iMoveItem];
1942 nWidth = pt.x - lpItem->rect.left + infoPtr->xTrackOffset;
1943 if (!HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ITEMCHANGINGW, infoPtr->iMoveItem, HDI_WIDTH, nWidth))
1944 {
1945 INT nOldWidth = lpItem->rect.right - lpItem->rect.left;
1946 RECT rcClient;
1947 RECT rcScroll;
1948
1949 if (nWidth < 0) nWidth = 0;
1950 infoPtr->items[infoPtr->iMoveItem].cxy = nWidth;
1951 HEADER_SetItemBounds(infoPtr);
1952
1953 GetClientRect(infoPtr->hwndSelf, &rcClient);
1954 rcScroll = rcClient;
1955 rcScroll.left = lpItem->rect.left + nOldWidth;
1956 ScrollWindowEx(infoPtr->hwndSelf, nWidth - nOldWidth, 0, &rcScroll, &rcClient, NULL, NULL, 0);
1957 InvalidateRect(infoPtr->hwndSelf, &lpItem->rect, FALSE);
1958 UpdateWindow(infoPtr->hwndSelf);
1959
1960 HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ITEMCHANGEDW, infoPtr->iMoveItem, HDI_WIDTH, nWidth);
1961 }
1962 }
1963 else {
1964 INT iTrackWidth;
1965 hdc = GetDC (infoPtr->hwndSelf);
1966 HEADER_DrawTrackLine (infoPtr, hdc, infoPtr->xOldTrack);
1967 infoPtr->xOldTrack = pt.x + infoPtr->xTrackOffset;
1968 if (infoPtr->xOldTrack < infoPtr->items[infoPtr->iMoveItem].rect.left)
1969 infoPtr->xOldTrack = infoPtr->items[infoPtr->iMoveItem].rect.left;
1970 HEADER_DrawTrackLine (infoPtr, hdc, infoPtr->xOldTrack);
1971 ReleaseDC (infoPtr->hwndSelf, hdc);
1972 iTrackWidth = infoPtr->xOldTrack - infoPtr->items[infoPtr->iMoveItem].rect.left;
1973 /* FIXME: should stop tracking if HDN_TRACK returns TRUE */
1974 HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_TRACKW, infoPtr->iMoveItem, HDI_WIDTH, iTrackWidth);
1975 }
1976
1977 TRACE("Tracking item %d.\n", infoPtr->iMoveItem);
1978 }
1979 }
1980
1981 if (hotTrackEnabled) {
1982 TRACKMOUSEEVENT tme;
1983 if (oldHotItem != infoPtr->iHotItem && !infoPtr->bDragging) {
1984 hdc = GetDC (infoPtr->hwndSelf);
1985 if (oldHotItem != -1) HEADER_RefreshItem (infoPtr, oldHotItem);
1986 if (infoPtr->iHotItem != -1) HEADER_RefreshItem (infoPtr, infoPtr->iHotItem);
1987 ReleaseDC (infoPtr->hwndSelf, hdc);
1988 }
1989 tme.cbSize = sizeof( tme );
1990 tme.dwFlags = TME_LEAVE;
1991 tme.hwndTrack = infoPtr->hwndSelf;
1992 TrackMouseEvent( &tme );
1993 }
1994
1995 return 0;
1996 }
1997
1998
1999 static LRESULT
2000 HEADER_Paint (HEADER_INFO *infoPtr, HDC hdcParam)
2001 {
2002 HDC hdc;
2003 PAINTSTRUCT ps;
2004
2005 hdc = hdcParam==0 ? BeginPaint (infoPtr->hwndSelf, &ps) : hdcParam;
2006 HEADER_Refresh (infoPtr, hdc);
2007 if(!hdcParam)
2008 EndPaint (infoPtr->hwndSelf, &ps);
2009 return 0;
2010 }
2011
2012
2013 static LRESULT
2014 HEADER_RButtonUp (HEADER_INFO *infoPtr, INT x, INT y)
2015 {
2016 BOOL bRet;
2017 POINT pt;
2018
2019 pt.x = x;
2020 pt.y = y;
2021
2022 /* Send a Notify message */
2023 bRet = HEADER_SendSimpleNotify (infoPtr, NM_RCLICK);
2024
2025 /* Change to screen coordinate for WM_CONTEXTMENU */
2026 ClientToScreen(infoPtr->hwndSelf, &pt);
2027
2028 /* Send a WM_CONTEXTMENU message in response to the RBUTTONUP */
2029 SendMessageW( infoPtr->hwndSelf, WM_CONTEXTMENU, (WPARAM) infoPtr->hwndSelf, MAKELPARAM(pt.x, pt.y));
2030
2031 return bRet;
2032 }
2033
2034
2035 static LRESULT
2036 HEADER_SetCursor (HEADER_INFO *infoPtr, LPARAM lParam)
2037 {
2038 POINT pt;
2039 UINT flags;
2040 INT nItem;
2041
2042 TRACE("code=0x%X id=0x%X\n", LOWORD(lParam), HIWORD(lParam));
2043
2044 GetCursorPos (&pt);
2045 ScreenToClient (infoPtr->hwndSelf, &pt);
2046
2047 HEADER_InternalHitTest (infoPtr, &pt, &flags, &nItem);
2048
2049 if (flags == HHT_ONDIVIDER)
2050 SetCursor (infoPtr->hcurDivider);
2051 else if (flags == HHT_ONDIVOPEN)
2052 SetCursor (infoPtr->hcurDivopen);
2053 else
2054 SetCursor (infoPtr->hcurArrow);
2055
2056 return 0;
2057 }
2058
2059
2060 static LRESULT
2061 HEADER_SetFont (HEADER_INFO *infoPtr, HFONT hFont, WORD Redraw)
2062 {
2063 TEXTMETRICW tm;
2064 HFONT hOldFont;
2065 HDC hdc;
2066
2067 infoPtr->hFont = hFont;
2068
2069 hdc = GetDC (0);
2070 hOldFont = SelectObject (hdc, infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT));
2071 GetTextMetricsW (hdc, &tm);
2072 infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
2073 SelectObject (hdc, hOldFont);
2074 ReleaseDC (0, hdc);
2075
2076 infoPtr->bRectsValid = FALSE;
2077
2078 if (Redraw) {
2079 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
2080 }
2081
2082 return 0;
2083 }
2084
2085 static LRESULT HEADER_SetRedraw(HEADER_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
2086 {
2087 /* ignoring the InvalidateRect calls is handled by user32. But some apps expect
2088 * that we invalidate the header and this has to be done manually */
2089 LRESULT ret;
2090
2091 ret = DefWindowProcW(infoPtr->hwndSelf, WM_SETREDRAW, wParam, lParam);
2092 if (wParam)
2093 InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
2094 return ret;
2095 }
2096
2097 static INT HEADER_StyleChanged(HEADER_INFO *infoPtr, WPARAM wStyleType,
2098 const STYLESTRUCT *lpss)
2099 {
2100 TRACE("(styletype=%lx, styleOld=0x%08x, styleNew=0x%08x)\n",
2101 wStyleType, lpss->styleOld, lpss->styleNew);
2102
2103 if (wStyleType != GWL_STYLE) return 0;
2104
2105 infoPtr->dwStyle = lpss->styleNew;
2106
2107 return 0;
2108 }
2109
2110 /* Update the theme handle after a theme change */
2111 static LRESULT HEADER_ThemeChanged(const HEADER_INFO *infoPtr)
2112 {
2113 HTHEME theme = GetWindowTheme(infoPtr->hwndSelf);
2114 CloseThemeData(theme);
2115 OpenThemeData(infoPtr->hwndSelf, themeClass);
2116 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
2117 return 0;
2118 }
2119
2120 static INT HEADER_SetFilterChangeTimeout(HEADER_INFO *infoPtr, INT timeout)
2121 {
2122 INT old_timeout = infoPtr->filter_change_timeout;
2123
2124 if (timeout != 0)
2125 infoPtr->filter_change_timeout = timeout;
2126 return old_timeout;
2127 }
2128
2129 static LRESULT WINAPI
2130 HEADER_WindowProc (HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
2131 {
2132 HEADER_INFO *infoPtr = (HEADER_INFO *)GetWindowLongPtrW(hwnd, 0);
2133
2134 TRACE("hwnd=%p msg=%x wparam=%lx lParam=%lx\n", hwnd, msg, wParam, lParam);
2135 if (!infoPtr && (msg != WM_CREATE))
2136 return DefWindowProcW (hwnd, msg, wParam, lParam);
2137 switch (msg) {
2138 /* case HDM_CLEARFILTER: */
2139
2140 case HDM_CREATEDRAGIMAGE:
2141 return (LRESULT)HEADER_CreateDragImage (infoPtr, (INT)wParam);
2142
2143 case HDM_DELETEITEM:
2144 return HEADER_DeleteItem (infoPtr, (INT)wParam);
2145
2146 /* case HDM_EDITFILTER: */
2147
2148 case HDM_GETBITMAPMARGIN:
2149 return HEADER_GetBitmapMargin(infoPtr);
2150
2151 case HDM_GETIMAGELIST:
2152 return HEADER_GetImageList (infoPtr);
2153
2154 case HDM_GETITEMA:
2155 case HDM_GETITEMW:
2156 return HEADER_GetItemT (infoPtr, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_GETITEMW);
2157
2158 case HDM_GETITEMCOUNT:
2159 return HEADER_GetItemCount (infoPtr);
2160
2161 case HDM_GETITEMRECT:
2162 return HEADER_GetItemRect (infoPtr, (INT)wParam, (LPRECT)lParam);
2163
2164 case HDM_GETORDERARRAY:
2165 return HEADER_GetOrderArray(infoPtr, (INT)wParam, (LPINT)lParam);
2166
2167 case HDM_GETUNICODEFORMAT:
2168 return HEADER_GetUnicodeFormat (infoPtr);
2169
2170 case HDM_HITTEST:
2171 return HEADER_HitTest (infoPtr, (LPHDHITTESTINFO)lParam);
2172
2173 case HDM_INSERTITEMA:
2174 case HDM_INSERTITEMW:
2175 return HEADER_InsertItemT (infoPtr, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_INSERTITEMW);
2176
2177 case HDM_LAYOUT:
2178 return HEADER_Layout (infoPtr, (LPHDLAYOUT)lParam);
2179
2180 case HDM_ORDERTOINDEX:
2181 return HEADER_OrderToIndex(infoPtr, (INT)wParam);
2182
2183 case HDM_SETBITMAPMARGIN:
2184 return HEADER_SetBitmapMargin(infoPtr, (INT)wParam);
2185
2186 case HDM_SETFILTERCHANGETIMEOUT:
2187 return HEADER_SetFilterChangeTimeout(infoPtr, (INT)lParam);
2188
2189 case HDM_SETHOTDIVIDER:
2190 return HEADER_SetHotDivider(infoPtr, wParam, lParam);
2191
2192 case HDM_SETIMAGELIST:
2193 return HEADER_SetImageList (infoPtr, (HIMAGELIST)lParam);
2194
2195 case HDM_SETITEMA:
2196 case HDM_SETITEMW:
2197 return HEADER_SetItemT (infoPtr, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_SETITEMW);
2198
2199 case HDM_SETORDERARRAY:
2200 return HEADER_SetOrderArray(infoPtr, (INT)wParam, (LPINT)lParam);
2201
2202 case HDM_SETUNICODEFORMAT:
2203 return HEADER_SetUnicodeFormat (infoPtr, wParam);
2204
2205 case WM_CREATE:
2206 return HEADER_Create (hwnd, (LPCREATESTRUCTW)lParam);
2207
2208 case WM_DESTROY:
2209 return HEADER_Destroy (infoPtr);
2210
2211 case WM_NCDESTROY:
2212 return HEADER_NCDestroy (infoPtr);
2213
2214 case WM_ERASEBKGND:
2215 return 1;
2216
2217 case WM_GETDLGCODE:
2218 return DLGC_WANTTAB | DLGC_WANTARROWS;
2219
2220 case WM_GETFONT:
2221 return HEADER_GetFont (infoPtr);
2222
2223 case WM_LBUTTONDBLCLK:
2224 return HEADER_LButtonDblClk (infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam));
2225
2226 case WM_LBUTTONDOWN:
2227 return HEADER_LButtonDown (infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam));
2228
2229 case WM_LBUTTONUP:
2230 return HEADER_LButtonUp (infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam));
2231
2232 case WM_MOUSELEAVE:
2233 return HEADER_MouseLeave (infoPtr);
2234
2235 case WM_MOUSEMOVE:
2236 return HEADER_MouseMove (infoPtr, lParam);
2237
2238 case WM_NOTIFYFORMAT:
2239 return HEADER_NotifyFormat (infoPtr, wParam, lParam);
2240
2241 case WM_SIZE:
2242 return HEADER_Size (infoPtr);
2243
2244 case WM_THEMECHANGED:
2245 return HEADER_ThemeChanged (infoPtr);
2246
2247 case WM_PRINTCLIENT:
2248 case WM_PAINT:
2249 return HEADER_Paint (infoPtr, (HDC)wParam);
2250
2251 case WM_RBUTTONUP:
2252 return HEADER_RButtonUp (infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam));
2253
2254 case WM_SETCURSOR:
2255 return HEADER_SetCursor (infoPtr, lParam);
2256
2257 case WM_SETFONT:
2258 return HEADER_SetFont (infoPtr, (HFONT)wParam, (WORD)lParam);
2259
2260 case WM_SETREDRAW:
2261 return HEADER_SetRedraw(infoPtr, wParam, lParam);
2262
2263 case WM_STYLECHANGED:
2264 return HEADER_StyleChanged(infoPtr, wParam, (LPSTYLESTRUCT)lParam);
2265
2266 case WM_SYSCOLORCHANGE:
2267 COMCTL32_RefreshSysColors();
2268 return 0;
2269
2270 default:
2271 if ((msg >= WM_USER) && (msg < WM_APP) && !COMCTL32_IsReflectedMessage(msg))
2272 ERR("unknown msg %04x wp=%04lx lp=%08lx\n",
2273 msg, wParam, lParam );
2274 return DefWindowProcW(hwnd, msg, wParam, lParam);
2275 }
2276 }
2277
2278
2279 VOID
2280 HEADER_Register (void)
2281 {
2282 WNDCLASSW wndClass;
2283
2284 ZeroMemory (&wndClass, sizeof(WNDCLASSW));
2285 wndClass.style = CS_GLOBALCLASS | CS_DBLCLKS;
2286 wndClass.lpfnWndProc = HEADER_WindowProc;
2287 wndClass.cbClsExtra = 0;
2288 wndClass.cbWndExtra = sizeof(HEADER_INFO *);
2289 wndClass.hCursor = LoadCursorW (0, (LPWSTR)IDC_ARROW);
2290 wndClass.lpszClassName = WC_HEADERW;
2291
2292 RegisterClassW (&wndClass);
2293 }
2294
2295
2296 VOID
2297 HEADER_Unregister (void)
2298 {
2299 UnregisterClassW (WC_HEADERW, NULL);
2300 }
Windows API implementation