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push cc8bc80451cc24f4d7cf75168b569f0ebfe19547
[wine/hacks.git] / dlls / comctl32 / header.c
blobfed582d945c6b0fc496e2ade0c63e649c868619d
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 "imagelist.h"
43 #include "tmschema.h"
44 #include "uxtheme.h"
45 #include "wine/debug.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
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 */
93 } HEADER_INFO;
94
95
96 #define VERT_BORDER 4
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)
102
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)
107
108
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);
113
114 static const WCHAR themeClass[] = {'H','e','a','d','e','r',0};
115
116 static void HEADER_StoreHDItemInHeader(HEADER_ITEM *lpItem, UINT mask, const HDITEMW *phdi, BOOL fUnicode)
117 {
118 if (mask & HDI_UNSUPPORTED_FIELDS)
119 FIXME("unsupported header fields %x\n", (mask & HDI_UNSUPPORTED_FIELDS));
120
121 if (mask & HDI_BITMAP)
122 lpItem->hbm = phdi->hbm;
123
124 if (mask & HDI_FORMAT)
125 lpItem->fmt = phdi->fmt;
126
127 if (mask & HDI_LPARAM)
128 lpItem->lParam = phdi->lParam;
129
130 if (mask & HDI_WIDTH)
131 lpItem->cxy = phdi->cxy;
132
133 if (mask & HDI_IMAGE)
134 {
135 lpItem->iImage = phdi->iImage;
136 if (phdi->iImage == I_IMAGECALLBACK)
137 lpItem->callbackMask |= HDI_IMAGE;
138 else
139 lpItem->callbackMask &= ~HDI_IMAGE;
140 }
141
142 if (mask & HDI_TEXT)
143 {
144 Free(lpItem->pszText);
145 lpItem->pszText = NULL;
146
147 if (phdi->pszText != LPSTR_TEXTCALLBACKW) /* covers != TEXTCALLBACKA too */
148 {
149 static const WCHAR emptyString[] = {0};
150
151 LPCWSTR pszText = (phdi->pszText != NULL ? phdi->pszText : emptyString);
152 if (fUnicode)
153 Str_SetPtrW(&lpItem->pszText, pszText);
154 else
155 Str_SetPtrAtoW(&lpItem->pszText, (LPCSTR)pszText);
156 lpItem->callbackMask &= ~HDI_TEXT;
157 }
158 else
159 {
160 lpItem->pszText = NULL;
161 lpItem->callbackMask |= HDI_TEXT;
162 }
163 }
164 }
165
166 static inline LRESULT
167 HEADER_IndexToOrder (const HEADER_INFO *infoPtr, INT iItem)
168 {
169 HEADER_ITEM *lpItem = &infoPtr->items[iItem];
170 return lpItem->iOrder;
171 }
172
173
174 static INT
175 HEADER_OrderToIndex(const HEADER_INFO *infoPtr, INT iorder)
176 {
177 if ((iorder <0) || iorder >= infoPtr->uNumItem)
178 return iorder;
179 return infoPtr->order[iorder];
180 }
181
182 static void
183 HEADER_ChangeItemOrder(const HEADER_INFO *infoPtr, INT iItem, INT iNewOrder)
184 {
185 HEADER_ITEM *lpItem = &infoPtr->items[iItem];
186 INT i, nMin, nMax;
187
188 TRACE("%d: %d->%d\n", iItem, lpItem->iOrder, iNewOrder);
189 if (lpItem->iOrder < iNewOrder)
190 {
191 memmove(&infoPtr->order[lpItem->iOrder],
192 &infoPtr->order[lpItem->iOrder + 1],
193 (iNewOrder - lpItem->iOrder) * sizeof(INT));
194 }
195 if (iNewOrder < lpItem->iOrder)
196 {
197 memmove(&infoPtr->order[iNewOrder + 1],
198 &infoPtr->order[iNewOrder],
199 (lpItem->iOrder - iNewOrder) * sizeof(INT));
200 }
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;
206 }
207
208 /* Note: if iItem is the last item then this function returns infoPtr->uNumItem */
209 static INT
210 HEADER_NextItem(const HEADER_INFO *infoPtr, INT iItem)
211 {
212 return HEADER_OrderToIndex(infoPtr, HEADER_IndexToOrder(infoPtr, iItem)+1);
213 }
214
215 static INT
216 HEADER_PrevItem(const HEADER_INFO *infoPtr, INT iItem)
217 {
218 return HEADER_OrderToIndex(infoPtr, HEADER_IndexToOrder(infoPtr, iItem)-1);
219 }
220
221 static void
222 HEADER_SetItemBounds (HEADER_INFO *infoPtr)
223 {
224 HEADER_ITEM *phdi;
225 RECT rect;
226 unsigned int i;
227 int x;
228
229 infoPtr->bRectsValid = TRUE;
230
231 if (infoPtr->uNumItem == 0)
232 return;
233
234 GetClientRect (infoPtr->hwndSelf, &rect);
235
236 x = rect.left;
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;
241 phdi->rect.left = x;
242 phdi->rect.right = phdi->rect.left + ((phdi->cxy>0)?phdi->cxy:0);
243 x = phdi->rect.right;
244 }
245 }
246
247 static LRESULT
248 HEADER_Size (HEADER_INFO *infoPtr)
249 {
250 infoPtr->bRectsValid = FALSE;
251
252 return 0;
253 }
254
255 static void HEADER_GetHotDividerRect(const HEADER_INFO *infoPtr, RECT *r)
256 {
257 INT iDivider = infoPtr->iHotDivider;
258 if (infoPtr->uNumItem > 0)
259 {
260 HEADER_ITEM *lpItem;
261
262 if (iDivider < infoPtr->uNumItem)
263 {
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;
267 }
268 else
269 {
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;
273 }
274 r->top = lpItem->rect.top;
275 r->bottom = lpItem->rect.bottom;
276 }
277 else
278 {
279 RECT clientRect;
280 GetClientRect(infoPtr->hwndSelf, &clientRect);
281 *r = clientRect;
282 r->right = r->left + HOT_DIVIDER_WIDTH/2;
283 }
284 }
285
286
287 static INT
288 HEADER_DrawItem (HEADER_INFO *infoPtr, HDC hdc, INT iItem, BOOL bHotTrack, LRESULT lCDFlags)
289 {
290 HEADER_ITEM *phdi = &infoPtr->items[iItem];
291 RECT r;
292 INT oldBkMode;
293 HTHEME theme = GetWindowTheme (infoPtr->hwndSelf);
294 NMCUSTOMDRAW nmcd;
295
296 TRACE("DrawItem(iItem %d bHotTrack %d unicode flag %d)\n", iItem, bHotTrack, (infoPtr->nNotifyFormat == NFR_UNICODE));
297
298 r = phdi->rect;
299 if (r.right - r.left == 0)
300 return phdi->rect.right;
301
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);
305
306 if (lCDFlags & CDRF_NOTIFYITEMDRAW && !(phdi->fmt & HDF_OWNERDRAW))
307 {
308 LRESULT lCDItemFlags;
309
310 nmcd.dwDrawStage = CDDS_PREPAINT | CDDS_ITEM;
311 nmcd.hdc = hdc;
312 nmcd.dwItemSpec = iItem;
313 nmcd.rc = r;
314 nmcd.uItemState = phdi->bDown ? CDIS_SELECTED : 0;
315 nmcd.lItemlParam = phdi->lParam;
316
317 lCDItemFlags = HEADER_SendNotify(infoPtr, NM_CUSTOMDRAW, (NMHDR *)&nmcd);
318 if (lCDItemFlags & CDRF_SKIPDEFAULT)
319 return phdi->rect.right;
320 }
321
322 if (theme != NULL) {
323 int state = (phdi->bDown) ? HIS_PRESSED :
324 (bHotTrack ? HIS_HOT : HIS_NORMAL);
325 DrawThemeBackground (theme, hdc, HP_HEADERITEM, state,
326 &r, NULL);
327 GetThemeBackgroundContentRect (theme, hdc, HP_HEADERITEM, state,
328 &r, &r);
329 }
330 else {
331 HBRUSH hbr;
332
333 if (infoPtr->dwStyle & HDS_BUTTONS) {
334 if (phdi->bDown) {
335 DrawEdge (hdc, &r, BDR_RAISEDOUTER,
336 BF_RECT | BF_FLAT | BF_MIDDLE | BF_ADJUST);
337 }
338 else
339 DrawEdge (hdc, &r, EDGE_RAISED,
340 BF_RECT | BF_SOFT | BF_MIDDLE | BF_ADJUST);
341 }
342 else
343 DrawEdge (hdc, &r, EDGE_ETCHED, BF_BOTTOM | BF_RIGHT | BF_ADJUST);
344
345 hbr = CreateSolidBrush(GetBkColor(hdc));
346 FillRect(hdc, &r, hbr);
347 DeleteObject(hbr);
348 }
349 if (phdi->bDown) {
350 r.left += 2;
351 r.top += 2;
352 }
353
354 if (phdi->fmt & HDF_OWNERDRAW) {
355 DRAWITEMSTRUCT dis;
356
357 dis.CtlType = ODT_HEADER;
358 dis.CtlID = GetWindowLongPtrW (infoPtr->hwndSelf, GWLP_ID);
359 dis.itemID = iItem;
360 dis.itemAction = ODA_DRAWENTIRE;
361 dis.itemState = phdi->bDown ? ODS_SELECTED : 0;
362 dis.hwndItem = infoPtr->hwndSelf;
363 dis.hDC = hdc;
364 dis.rcItem = phdi->rect;
365 dis.itemData = phdi->lParam;
366 oldBkMode = SetBkMode(hdc, TRANSPARENT);
367 SendMessageW (infoPtr->hwndNotify, WM_DRAWITEM,
368 (WPARAM)dis.CtlID, (LPARAM)&dis);
369 if (oldBkMode != TRANSPARENT)
370 SetBkMode(hdc, oldBkMode);
371 }
372 else {
373 UINT rw, rh, /* width and height of r */
374 *x = NULL, *w = NULL; /* x and width of the pic (bmp or img) which is part of cnt */
375 /* cnt,txt,img,bmp */
376 UINT cx, tx, ix, bx,
377 cw, tw, iw, bw;
378 BITMAP bmp;
379
380 HEADER_PrepareCallbackItems(infoPtr, iItem, HDI_TEXT|HDI_IMAGE);
381 cw = tw = iw = bw = 0;
382 rw = r.right - r.left;
383 rh = r.bottom - r.top;
384
385 if (phdi->fmt & HDF_STRING) {
386 RECT textRect;
387
388 SetRectEmpty(&textRect);
389 DrawTextW (hdc, phdi->pszText, -1,
390 &textRect, DT_LEFT|DT_VCENTER|DT_SINGLELINE|DT_CALCRECT);
391 cw = textRect.right - textRect.left + 2 * infoPtr->iMargin;
392 }
393
394 if ((phdi->fmt & HDF_IMAGE) && (infoPtr->himl)) {
395 iw = infoPtr->himl->cx + 2 * infoPtr->iMargin;
396 x = &ix;
397 w = &iw;
398 }
399
400 if ((phdi->fmt & HDF_BITMAP) && (phdi->hbm)) {
401 GetObjectW (phdi->hbm, sizeof(BITMAP), &bmp);
402 bw = bmp.bmWidth + 2 * infoPtr->iMargin;
403 if (!iw) {
404 x = &bx;
405 w = &bw;
406 }
407 }
408
409 if (bw || iw)
410 cw += *w;
411
412 /* align cx using the unclipped cw */
413 if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_LEFT)
414 cx = r.left;
415 else if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_CENTER)
416 cx = r.left + rw / 2 - cw / 2;
417 else /* HDF_RIGHT */
418 cx = r.right - cw;
419
420 /* clip cx & cw */
421 if (cx < r.left)
422 cx = r.left;
423 if (cx + cw > r.right)
424 cw = r.right - cx;
425
426 tx = cx + infoPtr->iMargin;
427 /* since cw might have changed we have to recalculate tw */
428 tw = cw - infoPtr->iMargin * 2;
429
430 if (iw || bw) {
431 tw -= *w;
432 if (phdi->fmt & HDF_BITMAP_ON_RIGHT) {
433 /* put pic behind text */
434 *x = cx + tw + infoPtr->iMargin * 3;
435 } else {
436 *x = cx + infoPtr->iMargin;
437 /* move text behind pic */
438 tx += *w;
439 }
440 }
441
442 if (iw && bw) {
443 /* since we're done with the layout we can
444 now calculate the position of bmp which
445 has no influence on alignment and layout
446 because of img */
447 if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_RIGHT)
448 bx = cx - bw + infoPtr->iMargin;
449 else
450 bx = cx + cw + infoPtr->iMargin;
451 }
452
453 if (iw || bw) {
454 HDC hClipDC = GetDC(infoPtr->hwndSelf);
455 HRGN hClipRgn = CreateRectRgn(r.left, r.top, r.right, r.bottom);
456 SelectClipRgn(hClipDC, hClipRgn);
457
458 if (bw) {
459 HDC hdcBitmap = CreateCompatibleDC (hClipDC);
460 SelectObject (hdcBitmap, phdi->hbm);
461 BitBlt (hClipDC, bx, r.top + ((INT)rh - bmp.bmHeight) / 2,
462 bmp.bmWidth, bmp.bmHeight, hdcBitmap, 0, 0, SRCCOPY);
463 DeleteDC (hdcBitmap);
464 }
465
466 if (iw) {
467 ImageList_DrawEx (infoPtr->himl, phdi->iImage, hClipDC,
468 ix, r.top + ((INT)rh - infoPtr->himl->cy) / 2,
469 infoPtr->himl->cx, infoPtr->himl->cy, CLR_DEFAULT, CLR_DEFAULT, 0);
470 }
471
472 DeleteObject(hClipRgn);
473 ReleaseDC(infoPtr->hwndSelf, hClipDC);
474 }
475
476 if (((phdi->fmt & HDF_STRING)
477 || (!(phdi->fmt & (HDF_OWNERDRAW|HDF_STRING|HDF_BITMAP|
478 HDF_BITMAP_ON_RIGHT|HDF_IMAGE)))) /* no explicit format specified? */
479 && (phdi->pszText)) {
480 oldBkMode = SetBkMode(hdc, TRANSPARENT);
481 r.left = tx;
482 r.right = tx + tw;
483 DrawTextW (hdc, phdi->pszText, -1,
484 &r, DT_LEFT|DT_END_ELLIPSIS|DT_VCENTER|DT_SINGLELINE);
485 if (oldBkMode != TRANSPARENT)
486 SetBkMode(hdc, oldBkMode);
487 }
488 HEADER_FreeCallbackItems(phdi);
489 }/*Ownerdrawn*/
490
491 return phdi->rect.right;
492 }
493
494 static void
495 HEADER_DrawHotDivider(const HEADER_INFO *infoPtr, HDC hdc)
496 {
497 HBRUSH brush;
498 RECT r;
499
500 HEADER_GetHotDividerRect(infoPtr, &r);
501 brush = CreateSolidBrush(comctl32_color.clrHighlight);
502 FillRect(hdc, &r, brush);
503 DeleteObject(brush);
504 }
505
506 static void
507 HEADER_Refresh (HEADER_INFO *infoPtr, HDC hdc)
508 {
509 HFONT hFont, hOldFont;
510 RECT rect, rcRest;
511 HBRUSH hbrBk;
512 UINT i;
513 INT x;
514 LRESULT lCDFlags;
515 HTHEME theme = GetWindowTheme (infoPtr->hwndSelf);
516
517 if (!infoPtr->bRectsValid)
518 HEADER_SetItemBounds(infoPtr);
519
520 /* get rect for the bar, adjusted for the border */
521 GetClientRect (infoPtr->hwndSelf, &rect);
522 lCDFlags = HEADER_SendCtrlCustomDraw(infoPtr, CDDS_PREPAINT, hdc, &rect);
523
524 if (infoPtr->bDragging)
525 ImageList_DragShowNolock(FALSE);
526
527 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT);
528 hOldFont = SelectObject (hdc, hFont);
529
530 /* draw Background */
531 if (infoPtr->uNumItem == 0 && theme == NULL) {
532 hbrBk = GetSysColorBrush(COLOR_3DFACE);
533 FillRect(hdc, &rect, hbrBk);
534 }
535
536 x = rect.left;
537 for (i = 0; x <= rect.right && i < infoPtr->uNumItem; i++) {
538 int idx = HEADER_OrderToIndex(infoPtr,i);
539 if (RectVisible(hdc, &infoPtr->items[idx].rect))
540 HEADER_DrawItem(infoPtr, hdc, idx, infoPtr->iHotItem == idx, lCDFlags);
541 x = infoPtr->items[idx].rect.right;
542 }
543
544 rcRest = rect;
545 rcRest.left = x;
546 if ((x <= rect.right) && RectVisible(hdc, &rcRest) && (infoPtr->uNumItem > 0)) {
547 if (theme != NULL) {
548 DrawThemeBackground(theme, hdc, HP_HEADERITEM, HIS_NORMAL, &rcRest, NULL);
549 }
550 else {
551 if (infoPtr->dwStyle & HDS_BUTTONS)
552 DrawEdge (hdc, &rcRest, EDGE_RAISED, BF_TOP|BF_LEFT|BF_BOTTOM|BF_SOFT|BF_MIDDLE);
553 else
554 DrawEdge (hdc, &rcRest, EDGE_ETCHED, BF_BOTTOM|BF_MIDDLE);
555 }
556 }
557
558 if (infoPtr->iHotDivider != -1)
559 HEADER_DrawHotDivider(infoPtr, hdc);
560
561 if (infoPtr->bDragging)
562 ImageList_DragShowNolock(TRUE);
563 SelectObject (hdc, hOldFont);
564
565 if (lCDFlags & CDRF_NOTIFYPOSTPAINT)
566 HEADER_SendCtrlCustomDraw(infoPtr, CDDS_POSTPAINT, hdc, &rect);
567 }
568
569
570 static void
571 HEADER_RefreshItem (HEADER_INFO *infoPtr, INT iItem)
572 {
573 if (!infoPtr->bRectsValid)
574 HEADER_SetItemBounds(infoPtr);
575
576 InvalidateRect(infoPtr->hwndSelf, &infoPtr->items[iItem].rect, FALSE);
577 }
578
579
580 static void
581 HEADER_InternalHitTest (const HEADER_INFO *infoPtr, const POINT *lpPt, UINT *pFlags, INT *pItem)
582 {
583 RECT rect, rcTest;
584 UINT iCount;
585 INT width;
586 BOOL bNoWidth;
587
588 GetClientRect (infoPtr->hwndSelf, &rect);
589
590 *pFlags = 0;
591 bNoWidth = FALSE;
592 if (PtInRect (&rect, *lpPt))
593 {
594 if (infoPtr->uNumItem == 0) {
595 *pFlags |= HHT_NOWHERE;
596 *pItem = 1;
597 TRACE("NOWHERE\n");
598 return;
599 }
600 else {
601 /* somewhere inside */
602 for (iCount = 0; iCount < infoPtr->uNumItem; iCount++) {
603 rect = infoPtr->items[iCount].rect;
604 width = rect.right - rect.left;
605 if (width == 0) {
606 bNoWidth = TRUE;
607 continue;
608 }
609 if (PtInRect (&rect, *lpPt)) {
610 if (width <= 2 * DIVIDER_WIDTH) {
611 *pFlags |= HHT_ONHEADER;
612 *pItem = iCount;
613 TRACE("ON HEADER %d\n", iCount);
614 return;
615 }
616 if (HEADER_IndexToOrder(infoPtr, iCount) > 0) {
617 rcTest = rect;
618 rcTest.right = rcTest.left + DIVIDER_WIDTH;
619 if (PtInRect (&rcTest, *lpPt)) {
620 if (bNoWidth) {
621 *pFlags |= HHT_ONDIVOPEN;
622 *pItem = HEADER_PrevItem(infoPtr, iCount);
623 TRACE("ON DIVOPEN %d\n", *pItem);
624 return;
625 }
626 else {
627 *pFlags |= HHT_ONDIVIDER;
628 *pItem = HEADER_PrevItem(infoPtr, iCount);
629 TRACE("ON DIVIDER %d\n", *pItem);
630 return;
631 }
632 }
633 }
634 rcTest = rect;
635 rcTest.left = rcTest.right - DIVIDER_WIDTH;
636 if (PtInRect (&rcTest, *lpPt)) {
637 *pFlags |= HHT_ONDIVIDER;
638 *pItem = iCount;
639 TRACE("ON DIVIDER %d\n", *pItem);
640 return;
641 }
642
643 *pFlags |= HHT_ONHEADER;
644 *pItem = iCount;
645 TRACE("ON HEADER %d\n", iCount);
646 return;
647 }
648 }
649
650 /* check for last divider part (on nowhere) */
651 rect = infoPtr->items[infoPtr->uNumItem-1].rect;
652 rect.left = rect.right;
653 rect.right += DIVIDER_WIDTH;
654 if (PtInRect (&rect, *lpPt)) {
655 if (bNoWidth) {
656 *pFlags |= HHT_ONDIVOPEN;
657 *pItem = infoPtr->uNumItem - 1;
658 TRACE("ON DIVOPEN %d\n", *pItem);
659 return;
660 }
661 else {
662 *pFlags |= HHT_ONDIVIDER;
663 *pItem = infoPtr->uNumItem-1;
664 TRACE("ON DIVIDER %d\n", *pItem);
665 return;
666 }
667 }
668
669 *pFlags |= HHT_NOWHERE;
670 *pItem = 1;
671 TRACE("NOWHERE\n");
672 return;
673 }
674 }
675 else {
676 if (lpPt->x < rect.left) {
677 TRACE("TO LEFT\n");
678 *pFlags |= HHT_TOLEFT;
679 }
680 else if (lpPt->x > rect.right) {
681 TRACE("TO RIGHT\n");
682 *pFlags |= HHT_TORIGHT;
683 }
684
685 if (lpPt->y < rect.top) {
686 TRACE("ABOVE\n");
687 *pFlags |= HHT_ABOVE;
688 }
689 else if (lpPt->y > rect.bottom) {
690 TRACE("BELOW\n");
691 *pFlags |= HHT_BELOW;
692 }
693 }
694
695 *pItem = 1;
696 TRACE("flags=0x%X\n", *pFlags);
697 return;
698 }
699
700
701 static void
702 HEADER_DrawTrackLine (const HEADER_INFO *infoPtr, HDC hdc, INT x)
703 {
704 RECT rect;
705 HPEN hOldPen;
706 INT oldRop;
707
708 GetClientRect (infoPtr->hwndSelf, &rect);
709
710 hOldPen = SelectObject (hdc, GetStockObject (BLACK_PEN));
711 oldRop = SetROP2 (hdc, R2_XORPEN);
712 MoveToEx (hdc, x, rect.top, NULL);
713 LineTo (hdc, x, rect.bottom);
714 SetROP2 (hdc, oldRop);
715 SelectObject (hdc, hOldPen);
716 }
717
718 /***
719 * DESCRIPTION:
720 * Convert a HDITEM into the correct format (ANSI/Unicode) to send it in a notify
721 *
722 * PARAMETER(S):
723 * [I] infoPtr : the header that wants to send the notify
724 * [O] dest : The buffer to store the HDITEM for notify. It may be set to a HDITEMA of HDITEMW
725 * [I] src : The source HDITEM. It may be a HDITEMA or HDITEMW
726 * [I] fSourceUnicode : is src a HDITEMW or HDITEMA
727 * [O] ppvScratch : a pointer to a scratch buffer that needs to be freed after
728 * the HDITEM is no longer in use or NULL if none was needed
729 *
730 * NOTE: We depend on HDITEMA and HDITEMW having the same structure
731 */
732 static void HEADER_CopyHDItemForNotify(const HEADER_INFO *infoPtr, HDITEMW *dest,
733 const HDITEMW *src, BOOL fSourceUnicode, LPVOID *ppvScratch)
734 {
735 *ppvScratch = NULL;
736 *dest = *src;
737
738 if (src->mask & HDI_TEXT && src->pszText != LPSTR_TEXTCALLBACKW) /* covers TEXTCALLBACKA as well */
739 {
740 if (fSourceUnicode && infoPtr->nNotifyFormat != NFR_UNICODE)
741 {
742 dest->pszText = NULL;
743 Str_SetPtrWtoA((LPSTR *)&dest->pszText, src->pszText);
744 *ppvScratch = dest->pszText;
745 }
746
747 if (!fSourceUnicode && infoPtr->nNotifyFormat == NFR_UNICODE)
748 {
749 dest->pszText = NULL;
750 Str_SetPtrAtoW(&dest->pszText, (LPSTR)src->pszText);
751 *ppvScratch = dest->pszText;
752 }
753 }
754 }
755
756 static UINT HEADER_NotifyCodeWtoA(UINT code)
757 {
758 /* we use the fact that all the unicode messages are in HDN_FIRST_UNICODE..HDN_LAST*/
759 if (code >= HDN_LAST && code <= HDN_FIRST_UNICODE)
760 return code + HDN_UNICODE_OFFSET;
761 else
762 return code;
763 }
764
765 static LRESULT
766 HEADER_SendNotify(const HEADER_INFO *infoPtr, UINT code, NMHDR *nmhdr)
767 {
768 nmhdr->hwndFrom = infoPtr->hwndSelf;
769 nmhdr->idFrom = GetWindowLongPtrW (infoPtr->hwndSelf, GWLP_ID);
770 nmhdr->code = code;
771
772 return SendMessageW(infoPtr->hwndNotify, WM_NOTIFY,
773 nmhdr->idFrom, (LPARAM)nmhdr);
774 }
775
776 static BOOL
777 HEADER_SendSimpleNotify (const HEADER_INFO *infoPtr, UINT code)
778 {
779 NMHDR nmhdr;
780 return (BOOL)HEADER_SendNotify(infoPtr, code, &nmhdr);
781 }
782
783 static LRESULT
784 HEADER_SendCtrlCustomDraw(const HEADER_INFO *infoPtr, DWORD dwDrawStage, HDC hdc, const RECT *rect)
785 {
786 NMCUSTOMDRAW nm;
787 nm.dwDrawStage = dwDrawStage;
788 nm.hdc = hdc;
789 nm.rc = *rect;
790 nm.dwItemSpec = 0;
791 nm.uItemState = 0;
792 nm.lItemlParam = 0;
793
794 return HEADER_SendNotify(infoPtr, NM_CUSTOMDRAW, (NMHDR *)&nm);
795 }
796
797 static BOOL
798 HEADER_SendNotifyWithHDItemT(const HEADER_INFO *infoPtr, UINT code, INT iItem, HDITEMW *lpItem)
799 {
800 NMHEADERW nmhdr;
801
802 if (infoPtr->nNotifyFormat != NFR_UNICODE)
803 code = HEADER_NotifyCodeWtoA(code);
804 nmhdr.iItem = iItem;
805 nmhdr.iButton = 0;
806 nmhdr.pitem = lpItem;
807
808 return (BOOL)HEADER_SendNotify(infoPtr, code, (NMHDR *)&nmhdr);
809 }
810
811 static BOOL
812 HEADER_SendNotifyWithIntFieldT(const HEADER_INFO *infoPtr, UINT code, INT iItem, INT mask, INT iValue)
813 {
814 HDITEMW nmitem;
815
816 /* copying only the iValue should be ok but to make the code more robust we copy everything */
817 nmitem.cxy = infoPtr->items[iItem].cxy;
818 nmitem.hbm = infoPtr->items[iItem].hbm;
819 nmitem.pszText = NULL;
820 nmitem.cchTextMax = 0;
821 nmitem.fmt = infoPtr->items[iItem].fmt;
822 nmitem.lParam = infoPtr->items[iItem].lParam;
823 nmitem.iOrder = infoPtr->items[iItem].iOrder;
824 nmitem.iImage = infoPtr->items[iItem].iImage;
825
826 nmitem.mask = mask;
827 switch (mask)
828 {
829 case HDI_WIDTH:
830 nmitem.cxy = iValue;
831 break;
832 case HDI_ORDER:
833 nmitem.iOrder = iValue;
834 break;
835 default:
836 ERR("invalid mask value 0x%x\n", iValue);
837 }
838
839 return HEADER_SendNotifyWithHDItemT(infoPtr, code, iItem, &nmitem);
840 }
841
842 /**
843 * Prepare callback items
844 * depends on NMHDDISPINFOW having same structure as NMHDDISPINFOA
845 * (so we handle the two cases only doing a specific cast for pszText).
846 * Checks if any of the required field are callback. If there are sends a
847 * NMHDISPINFO notify to retrieve these items. The items are stored in the
848 * HEADER_ITEM pszText and iImage fields. They should be freed with
849 * HEADER_FreeCallbackItems.
850 *
851 * @param hwnd : hwnd header container handler
852 * @param iItem : the header item id
853 * @param reqMask : required fields. If any of them is callback this function will fetch it
854 *
855 * @return TRUE on success, else FALSE
856 */
857 static BOOL
858 HEADER_PrepareCallbackItems(const HEADER_INFO *infoPtr, INT iItem, INT reqMask)
859 {
860 HEADER_ITEM *lpItem = &infoPtr->items[iItem];
861 DWORD mask = reqMask & lpItem->callbackMask;
862 NMHDDISPINFOW dispInfo;
863 void *pvBuffer = NULL;
864
865 if (mask == 0)
866 return TRUE;
867 if (mask&HDI_TEXT && lpItem->pszText != NULL)
868 {
869 ERR("(): function called without a call to FreeCallbackItems\n");
870 Free(lpItem->pszText);
871 lpItem->pszText = NULL;
872 }
873
874 memset(&dispInfo, 0, sizeof(NMHDDISPINFOW));
875 dispInfo.hdr.hwndFrom = infoPtr->hwndSelf;
876 dispInfo.hdr.idFrom = GetWindowLongPtrW (infoPtr->hwndSelf, GWLP_ID);
877 if (infoPtr->nNotifyFormat == NFR_UNICODE)
878 {
879 dispInfo.hdr.code = HDN_GETDISPINFOW;
880 if (mask & HDI_TEXT)
881 pvBuffer = Alloc(MAX_HEADER_TEXT_LEN * sizeof(WCHAR));
882 }
883 else
884 {
885 dispInfo.hdr.code = HDN_GETDISPINFOA;
886 if (mask & HDI_TEXT)
887 pvBuffer = Alloc(MAX_HEADER_TEXT_LEN * sizeof(CHAR));
888 }
889 dispInfo.pszText = pvBuffer;
890 dispInfo.cchTextMax = (pvBuffer!=NULL?MAX_HEADER_TEXT_LEN:0);
891 dispInfo.iItem = iItem;
892 dispInfo.mask = mask;
893 dispInfo.lParam = lpItem->lParam;
894
895 TRACE("Sending HDN_GETDISPINFO%c\n", infoPtr->nNotifyFormat == NFR_UNICODE?'W':'A');
896 SendMessageW(infoPtr->hwndNotify, WM_NOTIFY, dispInfo.hdr.idFrom, (LPARAM)&dispInfo);
897
898 TRACE("SendMessage returns(mask:0x%x,str:%s,lParam:%p)\n",
899 dispInfo.mask,
900 (infoPtr->nNotifyFormat == NFR_UNICODE ? debugstr_w(dispInfo.pszText) : (LPSTR) dispInfo.pszText),
901 (void*) dispInfo.lParam);
902
903 if (mask & HDI_IMAGE)
904 lpItem->iImage = dispInfo.iImage;
905 if (mask & HDI_TEXT)
906 {
907 if (infoPtr->nNotifyFormat == NFR_UNICODE)
908 {
909 lpItem->pszText = pvBuffer;
910
911 /* the user might have used his own buffer */
912 if (dispInfo.pszText != lpItem->pszText)
913 Str_GetPtrW(dispInfo.pszText, lpItem->pszText, MAX_HEADER_TEXT_LEN);
914 }
915 else
916 {
917 Str_SetPtrAtoW(&lpItem->pszText, (LPSTR)dispInfo.pszText);
918 Free(pvBuffer);
919 }
920 }
921
922 if (dispInfo.mask & HDI_DI_SETITEM)
923 {
924 /* make the items permanent */
925 lpItem->callbackMask &= ~dispInfo.mask;
926 }
927
928 return TRUE;
929 }
930
931 /***
932 * DESCRIPTION:
933 * Free the items that might be allocated with HEADER_PrepareCallbackItems
934 *
935 * PARAMETER(S):
936 * [I] lpItem : the item to free the data
937 *
938 */
939 static void
940 HEADER_FreeCallbackItems(HEADER_ITEM *lpItem)
941 {
942 if (lpItem->callbackMask&HDI_TEXT)
943 {
944 Free(lpItem->pszText);
945 lpItem->pszText = NULL;
946 }
947
948 if (lpItem->callbackMask&HDI_IMAGE)
949 lpItem->iImage = I_IMAGECALLBACK;
950 }
951
952 static LRESULT
953 HEADER_CreateDragImage (HEADER_INFO *infoPtr, INT iItem)
954 {
955 HEADER_ITEM *lpItem;
956 HIMAGELIST himl;
957 HBITMAP hMemory, hOldBitmap;
958 LRESULT lCDFlags;
959 RECT rc;
960 HDC hMemoryDC;
961 HDC hDeviceDC;
962 int height, width;
963 HFONT hFont;
964
965 if (iItem >= infoPtr->uNumItem)
966 return FALSE;
967
968 if (!infoPtr->bRectsValid)
969 HEADER_SetItemBounds(infoPtr);
970
971 lpItem = &infoPtr->items[iItem];
972 width = lpItem->rect.right - lpItem->rect.left;
973 height = lpItem->rect.bottom - lpItem->rect.top;
974
975 hDeviceDC = GetDC(NULL);
976 hMemoryDC = CreateCompatibleDC(hDeviceDC);
977 hMemory = CreateCompatibleBitmap(hDeviceDC, width, height);
978 ReleaseDC(NULL, hDeviceDC);
979 hOldBitmap = SelectObject(hMemoryDC, hMemory);
980 SetViewportOrgEx(hMemoryDC, -lpItem->rect.left, -lpItem->rect.top, NULL);
981 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject(SYSTEM_FONT);
982 SelectObject(hMemoryDC, hFont);
983
984 GetClientRect(infoPtr->hwndSelf, &rc);
985 lCDFlags = HEADER_SendCtrlCustomDraw(infoPtr, CDDS_PREPAINT, hMemoryDC, &rc);
986 HEADER_DrawItem(infoPtr, hMemoryDC, iItem, FALSE, lCDFlags);
987 if (lCDFlags & CDRF_NOTIFYPOSTPAINT)
988 HEADER_SendCtrlCustomDraw(infoPtr, CDDS_POSTPAINT, hMemoryDC, &rc);
989
990 hMemory = SelectObject(hMemoryDC, hOldBitmap);
991 DeleteDC(hMemoryDC);
992
993 if (hMemory == NULL) /* if anything failed */
994 return FALSE;
995
996 himl = ImageList_Create(width, height, ILC_COLORDDB, 1, 1);
997 ImageList_Add(himl, hMemory, NULL);
998 DeleteObject(hMemory);
999 return (LRESULT)himl;
1000 }
1001
1002 static LRESULT
1003 HEADER_SetHotDivider(HEADER_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
1004 {
1005 INT iDivider;
1006 RECT r;
1007
1008 if (wParam)
1009 {
1010 POINT pt;
1011 UINT flags;
1012 pt.x = (INT)(SHORT)LOWORD(lParam);
1013 pt.y = 0;
1014 HEADER_InternalHitTest (infoPtr, &pt, &flags, &iDivider);
1015
1016 if (flags & HHT_TOLEFT)
1017 iDivider = 0;
1018 else if (flags & HHT_NOWHERE || flags & HHT_TORIGHT)
1019 iDivider = infoPtr->uNumItem;
1020 else
1021 {
1022 HEADER_ITEM *lpItem = &infoPtr->items[iDivider];
1023 if (pt.x > (lpItem->rect.left+lpItem->rect.right)/2)
1024 iDivider = HEADER_NextItem(infoPtr, iDivider);
1025 }
1026 }
1027 else
1028 iDivider = (INT)lParam;
1029
1030 /* Note; wParam==FALSE, lParam==-1 is valid and is used to clear the hot divider */
1031 if (iDivider<-1 || iDivider>(int)infoPtr->uNumItem)
1032 return iDivider;
1033
1034 if (iDivider != infoPtr->iHotDivider)
1035 {
1036 if (infoPtr->iHotDivider != -1)
1037 {
1038 HEADER_GetHotDividerRect(infoPtr, &r);
1039 InvalidateRect(infoPtr->hwndSelf, &r, FALSE);
1040 }
1041 infoPtr->iHotDivider = iDivider;
1042 if (iDivider != -1)
1043 {
1044 HEADER_GetHotDividerRect(infoPtr, &r);
1045 InvalidateRect(infoPtr->hwndSelf, &r, FALSE);
1046 }
1047 }
1048 return iDivider;
1049 }
1050
1051 static LRESULT
1052 HEADER_DeleteItem (HEADER_INFO *infoPtr, INT iItem)
1053 {
1054 INT iOrder;
1055 UINT i;
1056
1057 TRACE("[iItem=%d]\n", iItem);
1058
1059 if ((iItem < 0) || (iItem >= (INT)infoPtr->uNumItem))
1060 return FALSE;
1061
1062 for (i = 0; i < infoPtr->uNumItem; i++)
1063 TRACE("%d: order=%d, iOrder=%d, ->iOrder=%d\n", i, infoPtr->order[i], infoPtr->items[i].iOrder, infoPtr->items[infoPtr->order[i]].iOrder);
1064
1065 iOrder = infoPtr->items[iItem].iOrder;
1066 Free(infoPtr->items[iItem].pszText);
1067
1068 infoPtr->uNumItem--;
1069 memmove(&infoPtr->items[iItem], &infoPtr->items[iItem + 1],
1070 (infoPtr->uNumItem - iItem) * sizeof(HEADER_ITEM));
1071 memmove(&infoPtr->order[iOrder], &infoPtr->order[iOrder + 1],
1072 (infoPtr->uNumItem - iOrder) * sizeof(INT));
1073 infoPtr->items = ReAlloc(infoPtr->items, sizeof(HEADER_ITEM) * infoPtr->uNumItem);
1074 infoPtr->order = ReAlloc(infoPtr->order, sizeof(INT) * infoPtr->uNumItem);
1075
1076 /* Correct the orders */
1077 for (i = 0; i < infoPtr->uNumItem; i++)
1078 {
1079 if (infoPtr->order[i] > iItem)
1080 infoPtr->order[i]--;
1081 if (i >= iOrder)
1082 infoPtr->items[infoPtr->order[i]].iOrder = i;
1083 }
1084 for (i = 0; i < infoPtr->uNumItem; i++)
1085 TRACE("%d: order=%d, iOrder=%d, ->iOrder=%d\n", i, infoPtr->order[i], infoPtr->items[i].iOrder, infoPtr->items[infoPtr->order[i]].iOrder);
1086
1087 HEADER_SetItemBounds (infoPtr);
1088 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1089
1090 return TRUE;
1091 }
1092
1093
1094 static LRESULT
1095 HEADER_GetImageList (const HEADER_INFO *infoPtr)
1096 {
1097 return (LRESULT)infoPtr->himl;
1098 }
1099
1100
1101 static LRESULT
1102 HEADER_GetItemT (const HEADER_INFO *infoPtr, INT nItem, LPHDITEMW phdi, BOOL bUnicode)
1103 {
1104 HEADER_ITEM *lpItem;
1105 UINT mask;
1106
1107 if (!phdi)
1108 return FALSE;
1109
1110 TRACE("[nItem=%d]\n", nItem);
1111
1112 mask = phdi->mask;
1113 if (mask == 0)
1114 return TRUE;
1115
1116 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
1117 return FALSE;
1118
1119 if (mask & HDI_UNKNOWN_FIELDS)
1120 {
1121 TRACE("mask %x contains unknown fields. Using only comctl32 4.0 fields\n", mask);
1122 mask &= HDI_COMCTL32_4_0_FIELDS;
1123 }
1124
1125 lpItem = &infoPtr->items[nItem];
1126 HEADER_PrepareCallbackItems(infoPtr, nItem, mask);
1127
1128 if (mask & HDI_BITMAP)
1129 phdi->hbm = lpItem->hbm;
1130
1131 if (mask & HDI_FORMAT)
1132 phdi->fmt = lpItem->fmt;
1133
1134 if (mask & HDI_WIDTH)
1135 phdi->cxy = lpItem->cxy;
1136
1137 if (mask & HDI_LPARAM)
1138 phdi->lParam = lpItem->lParam;
1139
1140 if (mask & HDI_IMAGE)
1141 phdi->iImage = lpItem->iImage;
1142
1143 if (mask & HDI_ORDER)
1144 phdi->iOrder = lpItem->iOrder;
1145
1146 if (mask & HDI_TEXT)
1147 {
1148 if (bUnicode)
1149 Str_GetPtrW (lpItem->pszText, phdi->pszText, phdi->cchTextMax);
1150 else
1151 Str_GetPtrWtoA (lpItem->pszText, (LPSTR)phdi->pszText, phdi->cchTextMax);
1152 }
1153
1154 HEADER_FreeCallbackItems(lpItem);
1155 return TRUE;
1156 }
1157
1158
1159 static inline LRESULT
1160 HEADER_GetItemCount (const HEADER_INFO *infoPtr)
1161 {
1162 return infoPtr->uNumItem;
1163 }
1164
1165
1166 static LRESULT
1167 HEADER_GetItemRect (const HEADER_INFO *infoPtr, INT iItem, LPRECT lpRect)
1168 {
1169 if ((iItem < 0) || (iItem >= (INT)infoPtr->uNumItem))
1170 return FALSE;
1171
1172 lpRect->left = infoPtr->items[iItem].rect.left;
1173 lpRect->right = infoPtr->items[iItem].rect.right;
1174 lpRect->top = infoPtr->items[iItem].rect.top;
1175 lpRect->bottom = infoPtr->items[iItem].rect.bottom;
1176
1177 return TRUE;
1178 }
1179
1180
1181 static LRESULT
1182 HEADER_GetOrderArray(const HEADER_INFO *infoPtr, INT size, LPINT order)
1183 {
1184 if ((UINT)size <infoPtr->uNumItem)
1185 return FALSE;
1186
1187 memcpy(order, infoPtr->order, infoPtr->uNumItem * sizeof(INT));
1188 return TRUE;
1189 }
1190
1191 static LRESULT
1192 HEADER_SetOrderArray(HEADER_INFO *infoPtr, INT size, const INT *order)
1193 {
1194 INT i;
1195 HEADER_ITEM *lpItem;
1196
1197 if ((UINT)size <infoPtr->uNumItem)
1198 return FALSE;
1199 memcpy(infoPtr->order, order, infoPtr->uNumItem * sizeof(INT));
1200 for (i=0; i<size; i++)
1201 {
1202 lpItem = &infoPtr->items[*order++];
1203 lpItem->iOrder=i;
1204 }
1205 infoPtr->bRectsValid=0;
1206 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1207 return TRUE;
1208 }
1209
1210 static inline LRESULT
1211 HEADER_GetUnicodeFormat (const HEADER_INFO *infoPtr)
1212 {
1213 return (infoPtr->nNotifyFormat == NFR_UNICODE);
1214 }
1215
1216
1217 static LRESULT
1218 HEADER_HitTest (const HEADER_INFO *infoPtr, LPHDHITTESTINFO phti)
1219 {
1220 HEADER_InternalHitTest (infoPtr, &phti->pt, &phti->flags, &phti->iItem);
1221
1222 if (phti->flags == HHT_NOWHERE)
1223 return -1;
1224 else
1225 return phti->iItem;
1226 }
1227
1228
1229 static LRESULT
1230 HEADER_InsertItemT (HEADER_INFO *infoPtr, INT nItem, const HDITEMW *phdi, BOOL bUnicode)
1231 {
1232 HEADER_ITEM *lpItem;
1233 INT iOrder;
1234 UINT i;
1235 UINT copyMask;
1236
1237 if ((phdi == NULL) || (nItem < 0) || (phdi->mask == 0))
1238 return -1;
1239
1240 if (nItem > infoPtr->uNumItem)
1241 nItem = infoPtr->uNumItem;
1242
1243 iOrder = (phdi->mask & HDI_ORDER) ? phdi->iOrder : nItem;
1244 if (iOrder < 0)
1245 iOrder = 0;
1246 else if (infoPtr->uNumItem < iOrder)
1247 iOrder = infoPtr->uNumItem;
1248
1249 infoPtr->uNumItem++;
1250 infoPtr->items = ReAlloc(infoPtr->items, sizeof(HEADER_ITEM) * infoPtr->uNumItem);
1251 infoPtr->order = ReAlloc(infoPtr->order, sizeof(INT) * infoPtr->uNumItem);
1252
1253 /* make space for the new item */
1254 memmove(&infoPtr->items[nItem + 1], &infoPtr->items[nItem],
1255 (infoPtr->uNumItem - nItem - 1) * sizeof(HEADER_ITEM));
1256 memmove(&infoPtr->order[iOrder + 1], &infoPtr->order[iOrder],
1257 (infoPtr->uNumItem - iOrder - 1) * sizeof(INT));
1258
1259 /* update the order array */
1260 infoPtr->order[iOrder] = nItem;
1261 for (i = 0; i < infoPtr->uNumItem; i++)
1262 {
1263 if (i != iOrder && infoPtr->order[i] >= nItem)
1264 infoPtr->order[i]++;
1265 infoPtr->items[infoPtr->order[i]].iOrder = i;
1266 }
1267
1268 lpItem = &infoPtr->items[nItem];
1269 ZeroMemory(lpItem, sizeof(HEADER_ITEM));
1270 /* cxy, fmt and lParam are copied even if not in the HDITEM mask */
1271 copyMask = phdi->mask | HDI_WIDTH | HDI_FORMAT | HDI_LPARAM;
1272 HEADER_StoreHDItemInHeader(lpItem, copyMask, phdi, bUnicode);
1273 lpItem->iOrder = iOrder;
1274
1275 /* set automatically some format bits */
1276 if (phdi->mask & HDI_TEXT)
1277 lpItem->fmt |= HDF_STRING;
1278 else
1279 lpItem->fmt &= ~HDF_STRING;
1280
1281 if (lpItem->hbm != NULL)
1282 lpItem->fmt |= HDF_BITMAP;
1283 else
1284 lpItem->fmt &= ~HDF_BITMAP;
1285
1286 if (phdi->mask & HDI_IMAGE)
1287 lpItem->fmt |= HDF_IMAGE;
1288
1289 HEADER_SetItemBounds (infoPtr);
1290 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1291
1292 return nItem;
1293 }
1294
1295
1296 static LRESULT
1297 HEADER_Layout (HEADER_INFO *infoPtr, LPHDLAYOUT lpLayout)
1298 {
1299 lpLayout->pwpos->hwnd = infoPtr->hwndSelf;
1300 lpLayout->pwpos->hwndInsertAfter = 0;
1301 lpLayout->pwpos->x = lpLayout->prc->left;
1302 lpLayout->pwpos->y = lpLayout->prc->top;
1303 lpLayout->pwpos->cx = lpLayout->prc->right - lpLayout->prc->left;
1304 if (infoPtr->dwStyle & HDS_HIDDEN)
1305 lpLayout->pwpos->cy = 0;
1306 else {
1307 lpLayout->pwpos->cy = infoPtr->nHeight;
1308 lpLayout->prc->top += infoPtr->nHeight;
1309 }
1310 lpLayout->pwpos->flags = SWP_NOZORDER;
1311
1312 TRACE("Layout x=%d y=%d cx=%d cy=%d\n",
1313 lpLayout->pwpos->x, lpLayout->pwpos->y,
1314 lpLayout->pwpos->cx, lpLayout->pwpos->cy);
1315
1316 infoPtr->bRectsValid = FALSE;
1317
1318 return TRUE;
1319 }
1320
1321
1322 static LRESULT
1323 HEADER_SetImageList (HEADER_INFO *infoPtr, HIMAGELIST himl)
1324 {
1325 HIMAGELIST himlOld;
1326
1327 TRACE("(himl %p)\n", himl);
1328 himlOld = infoPtr->himl;
1329 infoPtr->himl = himl;
1330
1331 /* FIXME: Refresh needed??? */
1332
1333 return (LRESULT)himlOld;
1334 }
1335
1336
1337 static LRESULT
1338 HEADER_GetBitmapMargin(const HEADER_INFO *infoPtr)
1339 {
1340 return infoPtr->iMargin;
1341 }
1342
1343 static LRESULT
1344 HEADER_SetBitmapMargin(HEADER_INFO *infoPtr, INT iMargin)
1345 {
1346 INT oldMargin = infoPtr->iMargin;
1347
1348 infoPtr->iMargin = iMargin;
1349
1350 return oldMargin;
1351 }
1352
1353 static LRESULT
1354 HEADER_SetItemT (HEADER_INFO *infoPtr, INT nItem, const HDITEMW *phdi, BOOL bUnicode)
1355 {
1356 HEADER_ITEM *lpItem;
1357 HDITEMW hdNotify;
1358 void *pvScratch;
1359
1360 if (phdi == NULL)
1361 return FALSE;
1362 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
1363 return FALSE;
1364
1365 TRACE("[nItem=%d]\n", nItem);
1366
1367 HEADER_CopyHDItemForNotify(infoPtr, &hdNotify, phdi, bUnicode, &pvScratch);
1368 if (HEADER_SendNotifyWithHDItemT(infoPtr, HDN_ITEMCHANGINGW, nItem, &hdNotify))
1369 {
1370 Free(pvScratch);
1371 return FALSE;
1372 }
1373
1374 lpItem = &infoPtr->items[nItem];
1375 HEADER_StoreHDItemInHeader(lpItem, phdi->mask, phdi, bUnicode);
1376
1377 if (phdi->mask & HDI_ORDER)
1378 if (phdi->iOrder >= 0 && phdi->iOrder < infoPtr->uNumItem)
1379 HEADER_ChangeItemOrder(infoPtr, nItem, phdi->iOrder);
1380
1381 HEADER_SendNotifyWithHDItemT(infoPtr, HDN_ITEMCHANGEDW, nItem, &hdNotify);
1382
1383 HEADER_SetItemBounds (infoPtr);
1384
1385 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1386
1387 Free(pvScratch);
1388 return TRUE;
1389 }
1390
1391 static inline LRESULT
1392 HEADER_SetUnicodeFormat (HEADER_INFO *infoPtr, WPARAM wParam)
1393 {
1394 BOOL bTemp = (infoPtr->nNotifyFormat == NFR_UNICODE);
1395
1396 infoPtr->nNotifyFormat = ((BOOL)wParam ? NFR_UNICODE : NFR_ANSI);
1397
1398 return bTemp;
1399 }
1400
1401
1402 static LRESULT
1403 HEADER_Create (HWND hwnd, const CREATESTRUCTW *lpcs)
1404 {
1405 HEADER_INFO *infoPtr;
1406 TEXTMETRICW tm;
1407 HFONT hOldFont;
1408 HDC hdc;
1409
1410 infoPtr = Alloc (sizeof(HEADER_INFO));
1411 SetWindowLongPtrW (hwnd, 0, (DWORD_PTR)infoPtr);
1412
1413 infoPtr->hwndSelf = hwnd;
1414 infoPtr->hwndNotify = lpcs->hwndParent;
1415 infoPtr->uNumItem = 0;
1416 infoPtr->hFont = 0;
1417 infoPtr->items = 0;
1418 infoPtr->order = 0;
1419 infoPtr->bRectsValid = FALSE;
1420 infoPtr->hcurArrow = LoadCursorW (0, (LPWSTR)IDC_ARROW);
1421 infoPtr->hcurDivider = LoadCursorW (COMCTL32_hModule, MAKEINTRESOURCEW(IDC_DIVIDER));
1422 infoPtr->hcurDivopen = LoadCursorW (COMCTL32_hModule, MAKEINTRESOURCEW(IDC_DIVIDEROPEN));
1423 infoPtr->bPressed = FALSE;
1424 infoPtr->bTracking = FALSE;
1425 infoPtr->dwStyle = lpcs->style;
1426 infoPtr->iMoveItem = 0;
1427 infoPtr->himl = 0;
1428 infoPtr->iHotItem = -1;
1429 infoPtr->iHotDivider = -1;
1430 infoPtr->iMargin = 3*GetSystemMetrics(SM_CXEDGE);
1431 infoPtr->nNotifyFormat =
1432 SendMessageW (infoPtr->hwndNotify, WM_NOTIFYFORMAT, (WPARAM)hwnd, NF_QUERY);
1433
1434 hdc = GetDC (0);
1435 hOldFont = SelectObject (hdc, GetStockObject (SYSTEM_FONT));
1436 GetTextMetricsW (hdc, &tm);
1437 infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
1438 SelectObject (hdc, hOldFont);
1439 ReleaseDC (0, hdc);
1440
1441 OpenThemeData(hwnd, themeClass);
1442
1443 return 0;
1444 }
1445
1446
1447 static LRESULT
1448 HEADER_Destroy (HEADER_INFO *infoPtr)
1449 {
1450 HTHEME theme = GetWindowTheme(infoPtr->hwndSelf);
1451 CloseThemeData(theme);
1452 return 0;
1453 }
1454
1455 static LRESULT
1456 HEADER_NCDestroy (HEADER_INFO *infoPtr)
1457 {
1458 HEADER_ITEM *lpItem;
1459 INT nItem;
1460
1461 if (infoPtr->items) {
1462 lpItem = infoPtr->items;
1463 for (nItem = 0; nItem < infoPtr->uNumItem; nItem++, lpItem++) {
1464 Free(lpItem->pszText);
1465 }
1466 Free (infoPtr->items);
1467 }
1468
1469 Free(infoPtr->order);
1470
1471 if (infoPtr->himl)
1472 ImageList_Destroy (infoPtr->himl);
1473
1474 SetWindowLongPtrW (infoPtr->hwndSelf, 0, 0);
1475 Free (infoPtr);
1476
1477 return 0;
1478 }
1479
1480
1481 static inline LRESULT
1482 HEADER_GetFont (const HEADER_INFO *infoPtr)
1483 {
1484 return (LRESULT)infoPtr->hFont;
1485 }
1486
1487
1488 static BOOL
1489 HEADER_IsDragDistance(const HEADER_INFO *infoPtr, const POINT *pt)
1490 {
1491 /* Windows allows for a mouse movement before starting the drag. We use the
1492 * SM_CXDOUBLECLICK/SM_CYDOUBLECLICK as that distance.
1493 */
1494 return (abs(infoPtr->ptLButtonDown.x - pt->x)>GetSystemMetrics(SM_CXDOUBLECLK) ||
1495 abs(infoPtr->ptLButtonDown.y - pt->y)>GetSystemMetrics(SM_CYDOUBLECLK));
1496 }
1497
1498 static LRESULT
1499 HEADER_LButtonDblClk (const HEADER_INFO *infoPtr, INT x, INT y)
1500 {
1501 POINT pt;
1502 UINT flags;
1503 INT nItem;
1504
1505 pt.x = x;
1506 pt.y = y;
1507 HEADER_InternalHitTest (infoPtr, &pt, &flags, &nItem);
1508
1509 if ((infoPtr->dwStyle & HDS_BUTTONS) && (flags == HHT_ONHEADER))
1510 HEADER_SendNotifyWithHDItemT(infoPtr, HDN_ITEMDBLCLICKW, nItem, NULL);
1511 else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN))
1512 HEADER_SendNotifyWithHDItemT(infoPtr, HDN_DIVIDERDBLCLICKW, nItem, NULL);
1513
1514 return 0;
1515 }
1516
1517
1518 static LRESULT
1519 HEADER_LButtonDown (HEADER_INFO *infoPtr, INT x, INT y)
1520 {
1521 POINT pt;
1522 UINT flags;
1523 INT nItem;
1524 HDC hdc;
1525
1526 pt.x = x;
1527 pt.y = y;
1528 HEADER_InternalHitTest (infoPtr, &pt, &flags, &nItem);
1529
1530 if ((infoPtr->dwStyle & HDS_BUTTONS) && (flags == HHT_ONHEADER)) {
1531 SetCapture (infoPtr->hwndSelf);
1532 infoPtr->bCaptured = TRUE;
1533 infoPtr->bPressed = TRUE;
1534 infoPtr->bDragging = FALSE;
1535 infoPtr->iMoveItem = nItem;
1536 infoPtr->ptLButtonDown = pt;
1537
1538 infoPtr->items[nItem].bDown = TRUE;
1539
1540 /* Send WM_CUSTOMDRAW */
1541 hdc = GetDC (infoPtr->hwndSelf);
1542 HEADER_RefreshItem (infoPtr, nItem);
1543 ReleaseDC (infoPtr->hwndSelf, hdc);
1544
1545 TRACE("Pressed item %d!\n", nItem);
1546 }
1547 else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN)) {
1548 INT iCurrWidth = infoPtr->items[nItem].cxy;
1549 if (!HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_BEGINTRACKW, nItem, HDI_WIDTH, iCurrWidth))
1550 {
1551 SetCapture (infoPtr->hwndSelf);
1552 infoPtr->bCaptured = TRUE;
1553 infoPtr->bTracking = TRUE;
1554 infoPtr->iMoveItem = nItem;
1555 infoPtr->xTrackOffset = infoPtr->items[nItem].rect.right - pt.x;
1556
1557 if (!(infoPtr->dwStyle & HDS_FULLDRAG)) {
1558 infoPtr->xOldTrack = infoPtr->items[nItem].rect.right;
1559 hdc = GetDC (infoPtr->hwndSelf);
1560 HEADER_DrawTrackLine (infoPtr, hdc, infoPtr->xOldTrack);
1561 ReleaseDC (infoPtr->hwndSelf, hdc);
1562 }
1563
1564 TRACE("Begin tracking item %d!\n", nItem);
1565 }
1566 }
1567
1568 return 0;
1569 }
1570
1571
1572 static LRESULT
1573 HEADER_LButtonUp (HEADER_INFO *infoPtr, INT x, INT y)
1574 {
1575 POINT pt;
1576 UINT flags;
1577 INT nItem;
1578 HDC hdc;
1579
1580 pt.x = x;
1581 pt.y = y;
1582 HEADER_InternalHitTest (infoPtr, &pt, &flags, &nItem);
1583
1584 if (infoPtr->bPressed) {
1585 if (infoPtr->bDragging)
1586 {
1587 HEADER_ITEM *lpItem = &infoPtr->items[infoPtr->iMoveItem];
1588 INT iNewOrder;
1589
1590 ImageList_DragShowNolock(FALSE);
1591 ImageList_EndDrag();
1592 lpItem->bDown=FALSE;
1593
1594 if (infoPtr->iHotDivider == -1)
1595 iNewOrder = -1;
1596 else if (infoPtr->iHotDivider == infoPtr->uNumItem)
1597 iNewOrder = infoPtr->uNumItem-1;
1598 else
1599 {
1600 iNewOrder = HEADER_IndexToOrder(infoPtr, infoPtr->iHotDivider);
1601 if (iNewOrder > lpItem->iOrder)
1602 iNewOrder--;
1603 }
1604
1605 if (iNewOrder != -1 &&
1606 !HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ENDDRAG, infoPtr->iMoveItem, HDI_ORDER, iNewOrder))
1607 {
1608 HEADER_ChangeItemOrder(infoPtr, infoPtr->iMoveItem, iNewOrder);
1609 infoPtr->bRectsValid = FALSE;
1610 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1611 }
1612 else
1613 InvalidateRect(infoPtr->hwndSelf, &infoPtr->items[infoPtr->iMoveItem].rect, FALSE);
1614
1615 infoPtr->bDragging = FALSE;
1616 HEADER_SetHotDivider(infoPtr, FALSE, -1);
1617 }
1618 else if (!(infoPtr->dwStyle & HDS_DRAGDROP) || !HEADER_IsDragDistance(infoPtr, &pt))
1619 {
1620 infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
1621 hdc = GetDC (infoPtr->hwndSelf);
1622 HEADER_RefreshItem (infoPtr, infoPtr->iMoveItem);
1623 ReleaseDC (infoPtr->hwndSelf, hdc);
1624
1625 HEADER_SendNotifyWithHDItemT(infoPtr, HDN_ITEMCLICKW, infoPtr->iMoveItem, NULL);
1626 }
1627
1628 TRACE("Released item %d!\n", infoPtr->iMoveItem);
1629 infoPtr->bPressed = FALSE;
1630 }
1631 else if (infoPtr->bTracking) {
1632 INT iNewWidth = pt.x - infoPtr->items[infoPtr->iMoveItem].rect.left + infoPtr->xTrackOffset;
1633 if (iNewWidth < 0)
1634 iNewWidth = 0;
1635 TRACE("End tracking item %d!\n", infoPtr->iMoveItem);
1636 infoPtr->bTracking = FALSE;
1637
1638 HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ENDTRACKW, infoPtr->iMoveItem, HDI_WIDTH, iNewWidth);
1639
1640 if (!(infoPtr->dwStyle & HDS_FULLDRAG)) {
1641 hdc = GetDC (infoPtr->hwndSelf);
1642 HEADER_DrawTrackLine (infoPtr, hdc, infoPtr->xOldTrack);
1643 ReleaseDC (infoPtr->hwndSelf, hdc);
1644 }
1645
1646 if (!HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ITEMCHANGINGW, infoPtr->iMoveItem, HDI_WIDTH, iNewWidth))
1647 {
1648 infoPtr->items[infoPtr->iMoveItem].cxy = iNewWidth;
1649 HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ITEMCHANGEDW, infoPtr->iMoveItem, HDI_WIDTH, iNewWidth);
1650 }
1651
1652 HEADER_SetItemBounds (infoPtr);
1653 InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
1654 }
1655
1656 if (infoPtr->bCaptured) {
1657 infoPtr->bCaptured = FALSE;
1658 ReleaseCapture ();
1659 HEADER_SendSimpleNotify (infoPtr, NM_RELEASEDCAPTURE);
1660 }
1661
1662 return 0;
1663 }
1664
1665
1666 static LRESULT
1667 HEADER_NotifyFormat (HEADER_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
1668 {
1669 switch (lParam)
1670 {
1671 case NF_QUERY:
1672 return infoPtr->nNotifyFormat;
1673
1674 case NF_REQUERY:
1675 infoPtr->nNotifyFormat =
1676 SendMessageW ((HWND)wParam, WM_NOTIFYFORMAT,
1677 (WPARAM)infoPtr->hwndSelf, (LPARAM)NF_QUERY);
1678 return infoPtr->nNotifyFormat;
1679 }
1680
1681 return 0;
1682 }
1683
1684 static LRESULT
1685 HEADER_MouseLeave (HEADER_INFO *infoPtr)
1686 {
1687 /* Reset hot-tracked item when mouse leaves control. */
1688 INT oldHotItem = infoPtr->iHotItem;
1689 HDC hdc = GetDC (infoPtr->hwndSelf);
1690
1691 infoPtr->iHotItem = -1;
1692 if (oldHotItem != -1) HEADER_RefreshItem (infoPtr, oldHotItem);
1693 ReleaseDC (infoPtr->hwndSelf, hdc);
1694
1695 return 0;
1696 }
1697
1698
1699 static LRESULT
1700 HEADER_MouseMove (HEADER_INFO *infoPtr, LPARAM lParam)
1701 {
1702 POINT pt;
1703 UINT flags;
1704 INT nItem, nWidth;
1705 HDC hdc;
1706 /* With theming, hottracking is always enabled */
1707 BOOL hotTrackEnabled =
1708 ((infoPtr->dwStyle & HDS_BUTTONS) && (infoPtr->dwStyle & HDS_HOTTRACK))
1709 || (GetWindowTheme (infoPtr->hwndSelf) != NULL);
1710 INT oldHotItem = infoPtr->iHotItem;
1711
1712 pt.x = (INT)(SHORT)LOWORD(lParam);
1713 pt.y = (INT)(SHORT)HIWORD(lParam);
1714 HEADER_InternalHitTest (infoPtr, &pt, &flags, &nItem);
1715
1716 if (hotTrackEnabled) {
1717 if (flags & (HHT_ONHEADER | HHT_ONDIVIDER | HHT_ONDIVOPEN))
1718 infoPtr->iHotItem = nItem;
1719 else
1720 infoPtr->iHotItem = -1;
1721 }
1722
1723 if (infoPtr->bCaptured) {
1724 /* check if we should drag the header */
1725 if (infoPtr->bPressed && !infoPtr->bDragging && (infoPtr->dwStyle & HDS_DRAGDROP)
1726 && HEADER_IsDragDistance(infoPtr, &pt))
1727 {
1728 if (!HEADER_SendNotifyWithHDItemT(infoPtr, HDN_BEGINDRAG, infoPtr->iMoveItem, NULL))
1729 {
1730 HIMAGELIST hDragItem = (HIMAGELIST)HEADER_CreateDragImage(infoPtr, infoPtr->iMoveItem);
1731 if (hDragItem != NULL)
1732 {
1733 HEADER_ITEM *lpItem = &infoPtr->items[infoPtr->iMoveItem];
1734 TRACE("Starting item drag\n");
1735 ImageList_BeginDrag(hDragItem, 0, pt.x - lpItem->rect.left, 0);
1736 ImageList_DragShowNolock(TRUE);
1737 ImageList_Destroy(hDragItem);
1738 infoPtr->bDragging = TRUE;
1739 }
1740 }
1741 }
1742
1743 if (infoPtr->bDragging)
1744 {
1745 POINT drag;
1746 drag.x = pt.x;
1747 drag.y = 0;
1748 ClientToScreen(infoPtr->hwndSelf, &drag);
1749 ImageList_DragMove(drag.x, drag.y);
1750 HEADER_SetHotDivider(infoPtr, TRUE, lParam);
1751 }
1752
1753 if (infoPtr->bPressed && !infoPtr->bDragging) {
1754 BOOL oldState = infoPtr->items[infoPtr->iMoveItem].bDown;
1755 if ((nItem == infoPtr->iMoveItem) && (flags == HHT_ONHEADER))
1756 infoPtr->items[infoPtr->iMoveItem].bDown = TRUE;
1757 else
1758 infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
1759 if (oldState != infoPtr->items[infoPtr->iMoveItem].bDown) {
1760 hdc = GetDC (infoPtr->hwndSelf);
1761 HEADER_RefreshItem (infoPtr, infoPtr->iMoveItem);
1762 ReleaseDC (infoPtr->hwndSelf, hdc);
1763 }
1764
1765 TRACE("Moving pressed item %d!\n", infoPtr->iMoveItem);
1766 }
1767 else if (infoPtr->bTracking) {
1768 if (infoPtr->dwStyle & HDS_FULLDRAG) {
1769 HEADER_ITEM *lpItem = &infoPtr->items[infoPtr->iMoveItem];
1770 nWidth = pt.x - lpItem->rect.left + infoPtr->xTrackOffset;
1771 if (!HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ITEMCHANGINGW, infoPtr->iMoveItem, HDI_WIDTH, nWidth))
1772 {
1773 INT nOldWidth = lpItem->rect.right - lpItem->rect.left;
1774 RECT rcClient;
1775 RECT rcScroll;
1776
1777 if (nWidth < 0) nWidth = 0;
1778 infoPtr->items[infoPtr->iMoveItem].cxy = nWidth;
1779 HEADER_SetItemBounds(infoPtr);
1780
1781 GetClientRect(infoPtr->hwndSelf, &rcClient);
1782 rcScroll = rcClient;
1783 rcScroll.left = lpItem->rect.left + nOldWidth;
1784 ScrollWindowEx(infoPtr->hwndSelf, nWidth - nOldWidth, 0, &rcScroll, &rcClient, NULL, NULL, 0);
1785 InvalidateRect(infoPtr->hwndSelf, &lpItem->rect, FALSE);
1786 UpdateWindow(infoPtr->hwndSelf);
1787
1788 HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ITEMCHANGEDW, infoPtr->iMoveItem, HDI_WIDTH, nWidth);
1789 }
1790 }
1791 else {
1792 INT iTrackWidth;
1793 hdc = GetDC (infoPtr->hwndSelf);
1794 HEADER_DrawTrackLine (infoPtr, hdc, infoPtr->xOldTrack);
1795 infoPtr->xOldTrack = pt.x + infoPtr->xTrackOffset;
1796 if (infoPtr->xOldTrack < infoPtr->items[infoPtr->iMoveItem].rect.left)
1797 infoPtr->xOldTrack = infoPtr->items[infoPtr->iMoveItem].rect.left;
1798 HEADER_DrawTrackLine (infoPtr, hdc, infoPtr->xOldTrack);
1799 ReleaseDC (infoPtr->hwndSelf, hdc);
1800 iTrackWidth = infoPtr->xOldTrack - infoPtr->items[infoPtr->iMoveItem].rect.left;
1801 /* FIXME: should stop tracking if HDN_TRACK returns TRUE */
1802 HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_TRACKW, infoPtr->iMoveItem, HDI_WIDTH, iTrackWidth);
1803 }
1804
1805 TRACE("Tracking item %d!\n", infoPtr->iMoveItem);
1806 }
1807 }
1808
1809 if (hotTrackEnabled) {
1810 TRACKMOUSEEVENT tme;
1811 if (oldHotItem != infoPtr->iHotItem && !infoPtr->bDragging) {
1812 hdc = GetDC (infoPtr->hwndSelf);
1813 if (oldHotItem != -1) HEADER_RefreshItem (infoPtr, oldHotItem);
1814 if (infoPtr->iHotItem != -1) HEADER_RefreshItem (infoPtr, infoPtr->iHotItem);
1815 ReleaseDC (infoPtr->hwndSelf, hdc);
1816 }
1817 tme.cbSize = sizeof( tme );
1818 tme.dwFlags = TME_LEAVE;
1819 tme.hwndTrack = infoPtr->hwndSelf;
1820 TrackMouseEvent( &tme );
1821 }
1822
1823 return 0;
1824 }
1825
1826
1827 static LRESULT
1828 HEADER_Paint (HEADER_INFO *infoPtr, HDC hdcParam)
1829 {
1830 HDC hdc;
1831 PAINTSTRUCT ps;
1832
1833 hdc = hdcParam==0 ? BeginPaint (infoPtr->hwndSelf, &ps) : hdcParam;
1834 HEADER_Refresh (infoPtr, hdc);
1835 if(!hdcParam)
1836 EndPaint (infoPtr->hwndSelf, &ps);
1837 return 0;
1838 }
1839
1840
1841 static LRESULT
1842 HEADER_RButtonUp (HEADER_INFO *infoPtr, INT x, INT y)
1843 {
1844 BOOL bRet;
1845 POINT pt;
1846
1847 pt.x = x;
1848 pt.y = y;
1849
1850 /* Send a Notify message */
1851 bRet = HEADER_SendSimpleNotify (infoPtr, NM_RCLICK);
1852
1853 /* Change to screen coordinate for WM_CONTEXTMENU */
1854 ClientToScreen(infoPtr->hwndSelf, &pt);
1855
1856 /* Send a WM_CONTEXTMENU message in response to the RBUTTONUP */
1857 SendMessageW( infoPtr->hwndSelf, WM_CONTEXTMENU, (WPARAM) infoPtr->hwndSelf, MAKELPARAM(pt.x, pt.y));
1858
1859 return bRet;
1860 }
1861
1862
1863 static LRESULT
1864 HEADER_SetCursor (HEADER_INFO *infoPtr, LPARAM lParam)
1865 {
1866 POINT pt;
1867 UINT flags;
1868 INT nItem;
1869
1870 TRACE("code=0x%X id=0x%X\n", LOWORD(lParam), HIWORD(lParam));
1871
1872 GetCursorPos (&pt);
1873 ScreenToClient (infoPtr->hwndSelf, &pt);
1874
1875 HEADER_InternalHitTest (infoPtr, &pt, &flags, &nItem);
1876
1877 if (flags == HHT_ONDIVIDER)
1878 SetCursor (infoPtr->hcurDivider);
1879 else if (flags == HHT_ONDIVOPEN)
1880 SetCursor (infoPtr->hcurDivopen);
1881 else
1882 SetCursor (infoPtr->hcurArrow);
1883
1884 return 0;
1885 }
1886
1887
1888 static LRESULT
1889 HEADER_SetFont (HEADER_INFO *infoPtr, HFONT hFont, WORD Redraw)
1890 {
1891 TEXTMETRICW tm;
1892 HFONT hOldFont;
1893 HDC hdc;
1894
1895 infoPtr->hFont = hFont;
1896
1897 hdc = GetDC (0);
1898 hOldFont = SelectObject (hdc, infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT));
1899 GetTextMetricsW (hdc, &tm);
1900 infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
1901 SelectObject (hdc, hOldFont);
1902 ReleaseDC (0, hdc);
1903
1904 infoPtr->bRectsValid = FALSE;
1905
1906 if (Redraw) {
1907 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1908 }
1909
1910 return 0;
1911 }
1912
1913 static LRESULT HEADER_SetRedraw(HEADER_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
1914 {
1915 /* ignoring the InvalidateRect calls is handled by user32. But some apps expect
1916 * that we invalidate the header and this has to be done manually */
1917 LRESULT ret;
1918
1919 ret = DefWindowProcW(infoPtr->hwndSelf, WM_SETREDRAW, wParam, lParam);
1920 if (wParam)
1921 InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
1922 return ret;
1923 }
1924
1925 static INT HEADER_StyleChanged(HEADER_INFO *infoPtr, WPARAM wStyleType,
1926 const STYLESTRUCT *lpss)
1927 {
1928 TRACE("(styletype=%lx, styleOld=0x%08x, styleNew=0x%08x)\n",
1929 wStyleType, lpss->styleOld, lpss->styleNew);
1930
1931 if (wStyleType != GWL_STYLE) return 0;
1932
1933 infoPtr->dwStyle = lpss->styleNew;
1934
1935 return 0;
1936 }
1937
1938 /* Update the theme handle after a theme change */
1939 static LRESULT HEADER_ThemeChanged(const HEADER_INFO *infoPtr)
1940 {
1941 HTHEME theme = GetWindowTheme(infoPtr->hwndSelf);
1942 CloseThemeData(theme);
1943 OpenThemeData(infoPtr->hwndSelf, themeClass);
1944 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1945 return 0;
1946 }
1947
1948
1949 static LRESULT WINAPI
1950 HEADER_WindowProc (HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
1951 {
1952 HEADER_INFO *infoPtr = (HEADER_INFO *)GetWindowLongPtrW(hwnd, 0);
1953
1954 TRACE("hwnd=%p msg=%x wparam=%lx lParam=%lx\n", hwnd, msg, wParam, lParam);
1955 if (!infoPtr && (msg != WM_CREATE))
1956 return DefWindowProcW (hwnd, msg, wParam, lParam);
1957 switch (msg) {
1958 /* case HDM_CLEARFILTER: */
1959
1960 case HDM_CREATEDRAGIMAGE:
1961 return HEADER_CreateDragImage (infoPtr, (INT)wParam);
1962
1963 case HDM_DELETEITEM:
1964 return HEADER_DeleteItem (infoPtr, (INT)wParam);
1965
1966 /* case HDM_EDITFILTER: */
1967
1968 case HDM_GETBITMAPMARGIN:
1969 return HEADER_GetBitmapMargin(infoPtr);
1970
1971 case HDM_GETIMAGELIST:
1972 return HEADER_GetImageList (infoPtr);
1973
1974 case HDM_GETITEMA:
1975 case HDM_GETITEMW:
1976 return HEADER_GetItemT (infoPtr, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_GETITEMW);
1977
1978 case HDM_GETITEMCOUNT:
1979 return HEADER_GetItemCount (infoPtr);
1980
1981 case HDM_GETITEMRECT:
1982 return HEADER_GetItemRect (infoPtr, (INT)wParam, (LPRECT)lParam);
1983
1984 case HDM_GETORDERARRAY:
1985 return HEADER_GetOrderArray(infoPtr, (INT)wParam, (LPINT)lParam);
1986
1987 case HDM_GETUNICODEFORMAT:
1988 return HEADER_GetUnicodeFormat (infoPtr);
1989
1990 case HDM_HITTEST:
1991 return HEADER_HitTest (infoPtr, (LPHDHITTESTINFO)lParam);
1992
1993 case HDM_INSERTITEMA:
1994 case HDM_INSERTITEMW:
1995 return HEADER_InsertItemT (infoPtr, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_INSERTITEMW);
1996
1997 case HDM_LAYOUT:
1998 return HEADER_Layout (infoPtr, (LPHDLAYOUT)lParam);
1999
2000 case HDM_ORDERTOINDEX:
2001 return HEADER_OrderToIndex(infoPtr, (INT)wParam);
2002
2003 case HDM_SETBITMAPMARGIN:
2004 return HEADER_SetBitmapMargin(infoPtr, (INT)wParam);
2005
2006 /* case HDM_SETFILTERCHANGETIMEOUT: */
2007
2008 case HDM_SETHOTDIVIDER:
2009 return HEADER_SetHotDivider(infoPtr, wParam, lParam);
2010
2011 case HDM_SETIMAGELIST:
2012 return HEADER_SetImageList (infoPtr, (HIMAGELIST)lParam);
2013
2014 case HDM_SETITEMA:
2015 case HDM_SETITEMW:
2016 return HEADER_SetItemT (infoPtr, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_SETITEMW);
2017
2018 case HDM_SETORDERARRAY:
2019 return HEADER_SetOrderArray(infoPtr, (INT)wParam, (LPINT)lParam);
2020
2021 case HDM_SETUNICODEFORMAT:
2022 return HEADER_SetUnicodeFormat (infoPtr, wParam);
2023
2024 case WM_CREATE:
2025 return HEADER_Create (hwnd, (LPCREATESTRUCTW)lParam);
2026
2027 case WM_DESTROY:
2028 return HEADER_Destroy (infoPtr);
2029
2030 case WM_NCDESTROY:
2031 return HEADER_NCDestroy (infoPtr);
2032
2033 case WM_ERASEBKGND:
2034 return 1;
2035
2036 case WM_GETDLGCODE:
2037 return DLGC_WANTTAB | DLGC_WANTARROWS;
2038
2039 case WM_GETFONT:
2040 return HEADER_GetFont (infoPtr);
2041
2042 case WM_LBUTTONDBLCLK:
2043 return HEADER_LButtonDblClk (infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam));
2044
2045 case WM_LBUTTONDOWN:
2046 return HEADER_LButtonDown (infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam));
2047
2048 case WM_LBUTTONUP:
2049 return HEADER_LButtonUp (infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam));
2050
2051 case WM_MOUSELEAVE:
2052 return HEADER_MouseLeave (infoPtr);
2053
2054 case WM_MOUSEMOVE:
2055 return HEADER_MouseMove (infoPtr, lParam);
2056
2057 case WM_NOTIFYFORMAT:
2058 return HEADER_NotifyFormat (infoPtr, wParam, lParam);
2059
2060 case WM_SIZE:
2061 return HEADER_Size (infoPtr);
2062
2063 case WM_THEMECHANGED:
2064 return HEADER_ThemeChanged (infoPtr);
2065
2066 case WM_PRINTCLIENT:
2067 case WM_PAINT:
2068 return HEADER_Paint (infoPtr, (HDC)wParam);
2069
2070 case WM_RBUTTONUP:
2071 return HEADER_RButtonUp (infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam));
2072
2073 case WM_SETCURSOR:
2074 return HEADER_SetCursor (infoPtr, lParam);
2075
2076 case WM_SETFONT:
2077 return HEADER_SetFont (infoPtr, (HFONT)wParam, (WORD)lParam);
2078
2079 case WM_SETREDRAW:
2080 return HEADER_SetRedraw(infoPtr, wParam, lParam);
2081
2082 case WM_STYLECHANGED:
2083 return HEADER_StyleChanged(infoPtr, wParam, (LPSTYLESTRUCT)lParam);
2084
2085 case WM_SYSCOLORCHANGE:
2086 COMCTL32_RefreshSysColors();
2087 return 0;
2088
2089 default:
2090 if ((msg >= WM_USER) && (msg < WM_APP) && !COMCTL32_IsReflectedMessage(msg))
2091 ERR("unknown msg %04x wp=%04lx lp=%08lx\n",
2092 msg, wParam, lParam );
2093 return DefWindowProcW(hwnd, msg, wParam, lParam);
2094 }
2095 }
2096
2097
2098 VOID
2099 HEADER_Register (void)
2100 {
2101 WNDCLASSW wndClass;
2102
2103 ZeroMemory (&wndClass, sizeof(WNDCLASSW));
2104 wndClass.style = CS_GLOBALCLASS | CS_DBLCLKS;
2105 wndClass.lpfnWndProc = HEADER_WindowProc;
2106 wndClass.cbClsExtra = 0;
2107 wndClass.cbWndExtra = sizeof(HEADER_INFO *);
2108 wndClass.hCursor = LoadCursorW (0, (LPWSTR)IDC_ARROW);
2109 wndClass.lpszClassName = WC_HEADERW;
2110
2111 RegisterClassW (&wndClass);
2112 }
2113
2114
2115 VOID
2116 HEADER_Unregister (void)
2117 {
2118 UnregisterClassW (WC_HEADERW, NULL);
2119 }
useful hacks and other patches not (yet) suitable for mainline