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dbghelp: Remove DMT_ entries for .DBG and .PDB files.
[wine.git] / dlls / comctl32 / header.c
blob1e2d957b93e7487dc7c99d1f32a30c10ef04ccf2
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 "wingdi.h"
37 #include "winuser.h"
38 #include "winnls.h"
39 #include "commctrl.h"
40 #include "comctl32.h"
41 #include "vssym32.h"
42 #include "uxtheme.h"
43 #include "wine/debug.h"
44
45 WINE_DEFAULT_DEBUG_CHANNEL(header);
46
47 typedef struct
48 {
49 INT cxy;
50 HBITMAP hbm;
51 LPWSTR pszText;
52 INT fmt;
53 LPARAM lParam;
54 INT iImage;
55 INT iOrder; /* see documentation of HD_ITEM */
56
57 BOOL bDown; /* is item pressed? (used for drawing) */
58 RECT rect; /* bounding rectangle of the item */
59 DWORD callbackMask; /* HDI_* flags for items that are callback */
60 } HEADER_ITEM;
61
62
63 typedef struct
64 {
65 HWND hwndSelf; /* Control window */
66 HWND hwndNotify; /* Owner window to send notifications to */
67 INT nNotifyFormat; /* format used for WM_NOTIFY messages */
68 UINT uNumItem; /* number of items (columns) */
69 INT nHeight; /* height of the header (pixels) */
70 HFONT hFont; /* handle to the current font */
71 HCURSOR hcurArrow; /* handle to the arrow cursor */
72 HCURSOR hcurDivider; /* handle to a cursor (used over dividers) <-|-> */
73 HCURSOR hcurDivopen; /* handle to a cursor (used over dividers) <-||-> */
74 BOOL bCaptured; /* Is the mouse captured? */
75 BOOL bPressed; /* Is a header item pressed (down)? */
76 BOOL bDragging; /* Are we dragging an item? */
77 BOOL bTracking; /* Is in tracking mode? */
78 POINT ptLButtonDown; /* The point where the left button was pressed */
79 DWORD dwStyle; /* the cached window GWL_STYLE */
80 INT iMoveItem; /* index of tracked item. (Tracking mode) */
81 INT xTrackOffset; /* distance between the right side of the tracked item and the cursor */
82 INT xOldTrack; /* track offset (see above) after the last WM_MOUSEMOVE */
83 INT iHotItem; /* index of hot item (cursor is over this item) */
84 INT iHotDivider; /* index of the hot divider (used while dragging an item or by HDM_SETHOTDIVIDER) */
85 INT iMargin; /* width of the margin that surrounds a bitmap */
86 INT filter_change_timeout; /* change timeout set with HDM_SETFILTERCHANGETIMEOUT */
87
88 HIMAGELIST himl; /* handle to an image list (may be 0) */
89 HEADER_ITEM *items; /* pointer to array of HEADER_ITEM's */
90 INT *order; /* array of item IDs indexed by order */
91 BOOL bRectsValid; /* validity flag for bounding rectangles */
92 } HEADER_INFO;
93
94
95 #define VERT_BORDER 4
96 #define DIVIDER_WIDTH 10
97 #define HOT_DIVIDER_WIDTH 2
98 #define MAX_HEADER_TEXT_LEN 260
99 #define HDN_UNICODE_OFFSET 20
100 #define HDN_FIRST_UNICODE (HDN_FIRST-HDN_UNICODE_OFFSET)
101
102 #define HDI_SUPPORTED_FIELDS (HDI_WIDTH|HDI_TEXT|HDI_FORMAT|HDI_LPARAM|HDI_BITMAP|HDI_IMAGE|HDI_ORDER)
103 #define HDI_UNSUPPORTED_FIELDS (HDI_FILTER)
104 #define HDI_UNKNOWN_FIELDS (~(HDI_SUPPORTED_FIELDS|HDI_UNSUPPORTED_FIELDS|HDI_DI_SETITEM))
105 #define HDI_COMCTL32_4_0_FIELDS (HDI_WIDTH|HDI_TEXT|HDI_FORMAT|HDI_LPARAM|HDI_BITMAP)
106
107
108 static BOOL HEADER_PrepareCallbackItems(const HEADER_INFO *infoPtr, INT iItem, INT reqMask);
109 static void HEADER_FreeCallbackItems(HEADER_ITEM *lpItem);
110 static LRESULT HEADER_SendNotify(const HEADER_INFO *infoPtr, UINT code, NMHDR *hdr);
111 static LRESULT HEADER_SendCtrlCustomDraw(const HEADER_INFO *infoPtr, DWORD dwDrawStage, HDC hdc, const RECT *rect);
112
113 static const WCHAR themeClass[] = L"Header";
114
115 static void HEADER_StoreHDItemInHeader(HEADER_ITEM *lpItem, UINT mask, const HDITEMW *phdi, BOOL fUnicode)
116 {
117 if (mask & HDI_UNSUPPORTED_FIELDS)
118 FIXME("unsupported header fields %x\n", (mask & HDI_UNSUPPORTED_FIELDS));
119
120 if (mask & HDI_BITMAP)
121 lpItem->hbm = phdi->hbm;
122
123 if (mask & HDI_FORMAT)
124 lpItem->fmt = phdi->fmt;
125
126 if (mask & HDI_LPARAM)
127 lpItem->lParam = phdi->lParam;
128
129 if (mask & HDI_WIDTH)
130 lpItem->cxy = phdi->cxy;
131
132 if (mask & HDI_IMAGE)
133 {
134 lpItem->iImage = phdi->iImage;
135 if (phdi->iImage == I_IMAGECALLBACK)
136 lpItem->callbackMask |= HDI_IMAGE;
137 else
138 lpItem->callbackMask &= ~HDI_IMAGE;
139 }
140
141 if (mask & HDI_TEXT)
142 {
143 Free(lpItem->pszText);
144 lpItem->pszText = NULL;
145
146 if (phdi->pszText != LPSTR_TEXTCALLBACKW) /* covers != TEXTCALLBACKA too */
147 {
148 const WCHAR *pszText = phdi->pszText != NULL ? phdi->pszText : L"";
149 if (fUnicode)
150 Str_SetPtrW(&lpItem->pszText, pszText);
151 else
152 Str_SetPtrAtoW(&lpItem->pszText, (LPCSTR)pszText);
153 lpItem->callbackMask &= ~HDI_TEXT;
154 }
155 else
156 {
157 lpItem->pszText = NULL;
158 lpItem->callbackMask |= HDI_TEXT;
159 }
160 }
161 }
162
163 static inline LRESULT
164 HEADER_IndexToOrder (const HEADER_INFO *infoPtr, INT iItem)
165 {
166 HEADER_ITEM *lpItem = &infoPtr->items[iItem];
167 return lpItem->iOrder;
168 }
169
170
171 static INT
172 HEADER_OrderToIndex(const HEADER_INFO *infoPtr, INT iorder)
173 {
174 if ((iorder <0) || iorder >= infoPtr->uNumItem)
175 return iorder;
176 return infoPtr->order[iorder];
177 }
178
179 static void
180 HEADER_ChangeItemOrder(const HEADER_INFO *infoPtr, INT iItem, INT iNewOrder)
181 {
182 HEADER_ITEM *lpItem = &infoPtr->items[iItem];
183 INT i, nMin, nMax;
184
185 TRACE("%d: %d->%d\n", iItem, lpItem->iOrder, iNewOrder);
186 if (lpItem->iOrder < iNewOrder)
187 {
188 memmove(&infoPtr->order[lpItem->iOrder],
189 &infoPtr->order[lpItem->iOrder + 1],
190 (iNewOrder - lpItem->iOrder) * sizeof(INT));
191 }
192 if (iNewOrder < lpItem->iOrder)
193 {
194 memmove(&infoPtr->order[iNewOrder + 1],
195 &infoPtr->order[iNewOrder],
196 (lpItem->iOrder - iNewOrder) * sizeof(INT));
197 }
198 infoPtr->order[iNewOrder] = iItem;
199 nMin = min(lpItem->iOrder, iNewOrder);
200 nMax = max(lpItem->iOrder, iNewOrder);
201 for (i = nMin; i <= nMax; i++)
202 infoPtr->items[infoPtr->order[i]].iOrder = i;
203 }
204
205 /* Note: if iItem is the last item then this function returns infoPtr->uNumItem */
206 static INT
207 HEADER_NextItem(const HEADER_INFO *infoPtr, INT iItem)
208 {
209 return HEADER_OrderToIndex(infoPtr, HEADER_IndexToOrder(infoPtr, iItem)+1);
210 }
211
212 static INT
213 HEADER_PrevItem(const HEADER_INFO *infoPtr, INT iItem)
214 {
215 return HEADER_OrderToIndex(infoPtr, HEADER_IndexToOrder(infoPtr, iItem)-1);
216 }
217
218 /* TRUE when item is not resizable with dividers,
219 note that valid index should be supplied */
220 static inline BOOL
221 HEADER_IsItemFixed(const HEADER_INFO *infoPtr, INT iItem)
222 {
223 return (infoPtr->dwStyle & HDS_NOSIZING) || (infoPtr->items[iItem].fmt & HDF_FIXEDWIDTH);
224 }
225
226 static void
227 HEADER_SetItemBounds (HEADER_INFO *infoPtr)
228 {
229 HEADER_ITEM *phdi;
230 RECT rect;
231 unsigned int i;
232 int x;
233
234 infoPtr->bRectsValid = TRUE;
235
236 if (infoPtr->uNumItem == 0)
237 return;
238
239 GetClientRect (infoPtr->hwndSelf, &rect);
240
241 x = rect.left;
242 for (i = 0; i < infoPtr->uNumItem; i++) {
243 phdi = &infoPtr->items[HEADER_OrderToIndex(infoPtr,i)];
244 phdi->rect.top = rect.top;
245 phdi->rect.bottom = rect.bottom;
246 phdi->rect.left = x;
247 phdi->rect.right = phdi->rect.left + ((phdi->cxy>0)?phdi->cxy:0);
248 x = phdi->rect.right;
249 }
250 }
251
252 static LRESULT
253 HEADER_Size (HEADER_INFO *infoPtr)
254 {
255 HEADER_SetItemBounds(infoPtr);
256 return 0;
257 }
258
259 static void HEADER_GetHotDividerRect(const HEADER_INFO *infoPtr, RECT *r)
260 {
261 INT iDivider = infoPtr->iHotDivider;
262 if (infoPtr->uNumItem > 0)
263 {
264 HEADER_ITEM *lpItem;
265
266 if (iDivider < infoPtr->uNumItem)
267 {
268 lpItem = &infoPtr->items[iDivider];
269 r->left = lpItem->rect.left - HOT_DIVIDER_WIDTH/2;
270 r->right = lpItem->rect.left + HOT_DIVIDER_WIDTH/2;
271 }
272 else
273 {
274 lpItem = &infoPtr->items[HEADER_OrderToIndex(infoPtr, infoPtr->uNumItem-1)];
275 r->left = lpItem->rect.right - HOT_DIVIDER_WIDTH/2;
276 r->right = lpItem->rect.right + HOT_DIVIDER_WIDTH/2;
277 }
278 r->top = lpItem->rect.top;
279 r->bottom = lpItem->rect.bottom;
280 }
281 else
282 {
283 RECT clientRect;
284 GetClientRect(infoPtr->hwndSelf, &clientRect);
285 *r = clientRect;
286 r->right = r->left + HOT_DIVIDER_WIDTH/2;
287 }
288 }
289
290 static void
291 HEADER_FillItemFrame(HEADER_INFO *infoPtr, HDC hdc, RECT *r, const HEADER_ITEM *item, BOOL hottrack)
292 {
293 HTHEME theme = GetWindowTheme (infoPtr->hwndSelf);
294
295 if (theme) {
296 int state = (item->bDown) ? HIS_PRESSED : (hottrack ? HIS_HOT : HIS_NORMAL);
297 DrawThemeBackground (theme, hdc, HP_HEADERITEM, state, r, NULL);
298 GetThemeBackgroundContentRect (theme, hdc, HP_HEADERITEM, state, r, r);
299 }
300 else
301 {
302 HBRUSH hbr = CreateSolidBrush(GetBkColor(hdc));
303 FillRect(hdc, r, hbr);
304 DeleteObject(hbr);
305 }
306 }
307
308 static void
309 HEADER_DrawItemFrame(HEADER_INFO *infoPtr, HDC hdc, RECT *r, const HEADER_ITEM *item)
310 {
311 if (GetWindowTheme(infoPtr->hwndSelf)) return;
312
313 if (!(infoPtr->dwStyle & HDS_FLAT))
314 {
315 if (infoPtr->dwStyle & HDS_BUTTONS) {
316 if (item->bDown)
317 DrawEdge (hdc, r, BDR_RAISEDOUTER, BF_RECT | BF_FLAT | BF_ADJUST);
318 else
319 DrawEdge (hdc, r, EDGE_RAISED, BF_RECT | BF_SOFT | BF_ADJUST);
320 }
321 else
322 DrawEdge (hdc, r, EDGE_ETCHED, BF_BOTTOM | BF_RIGHT | BF_ADJUST);
323 }
324 }
325
326 /* Create a region for the sort arrow with its bounding rect's top-left
327 co-ord x,y and its height h. */
328 static HRGN create_sort_arrow( INT x, INT y, INT h, BOOL is_up )
329 {
330 char buffer[256];
331 RGNDATA *data = (RGNDATA *)buffer;
332 DWORD size = FIELD_OFFSET(RGNDATA, Buffer[h * sizeof(RECT)]);
333 INT i, yinc = 1;
334 HRGN rgn;
335
336 if (size > sizeof(buffer))
337 {
338 data = Alloc( size );
339 if (!data) return NULL;
340 }
341 data->rdh.dwSize = sizeof(data->rdh);
342 data->rdh.iType = RDH_RECTANGLES;
343 data->rdh.nCount = 0;
344 data->rdh.nRgnSize = h * sizeof(RECT);
345
346 if (!is_up)
347 {
348 y += h - 1;
349 yinc = -1;
350 }
351
352 x += h - 1; /* set x to the centre */
353
354 for (i = 0; i < h; i++, y += yinc)
355 {
356 RECT *rect = (RECT *)data->Buffer + data->rdh.nCount;
357 rect->left = x - i;
358 rect->top = y;
359 rect->right = x + i + 1;
360 rect->bottom = y + 1;
361 data->rdh.nCount++;
362 }
363 rgn = ExtCreateRegion( NULL, size, data );
364 if (data != (RGNDATA *)buffer) Free( data );
365 return rgn;
366 }
367
368 static INT
369 HEADER_DrawItem (HEADER_INFO *infoPtr, HDC hdc, INT iItem, BOOL bHotTrack, LRESULT lCDFlags)
370 {
371 HEADER_ITEM *phdi = &infoPtr->items[iItem];
372 RECT r;
373 INT oldBkMode;
374 HTHEME theme = GetWindowTheme (infoPtr->hwndSelf);
375 NMCUSTOMDRAW nmcd;
376 int state = 0;
377
378 TRACE("DrawItem(iItem %d bHotTrack %d unicode flag %d)\n", iItem, bHotTrack, (infoPtr->nNotifyFormat == NFR_UNICODE));
379
380 r = phdi->rect;
381 if (r.right - r.left == 0)
382 return phdi->rect.right;
383
384 if (theme)
385 state = (phdi->bDown) ? HIS_PRESSED : (bHotTrack ? HIS_HOT : HIS_NORMAL);
386
387 /* Set the colors before sending NM_CUSTOMDRAW so that it can change them */
388 SetTextColor(hdc, (bHotTrack && !theme) ? comctl32_color.clrHighlight : comctl32_color.clrBtnText);
389 SetBkColor(hdc, comctl32_color.clr3dFace);
390
391 if (lCDFlags & CDRF_NOTIFYITEMDRAW && !(phdi->fmt & HDF_OWNERDRAW))
392 {
393 LRESULT lCDItemFlags;
394
395 nmcd.dwDrawStage = CDDS_PREPAINT | CDDS_ITEM;
396 nmcd.hdc = hdc;
397 nmcd.dwItemSpec = iItem;
398 nmcd.rc = r;
399 nmcd.uItemState = phdi->bDown ? CDIS_SELECTED : 0;
400 nmcd.lItemlParam = phdi->lParam;
401
402 lCDItemFlags = HEADER_SendNotify(infoPtr, NM_CUSTOMDRAW, (NMHDR *)&nmcd);
403 if (lCDItemFlags & CDRF_SKIPDEFAULT)
404 return phdi->rect.right;
405 }
406
407 /* Fill background, owner could draw over it. */
408 HEADER_FillItemFrame(infoPtr, hdc, &r, phdi, bHotTrack);
409
410 if (phdi->fmt & HDF_OWNERDRAW)
411 {
412 DRAWITEMSTRUCT dis;
413 BOOL ret;
414
415 dis.CtlType = ODT_HEADER;
416 dis.CtlID = GetWindowLongPtrW (infoPtr->hwndSelf, GWLP_ID);
417 dis.itemID = iItem;
418 dis.itemAction = ODA_DRAWENTIRE;
419 dis.itemState = phdi->bDown ? ODS_SELECTED : 0;
420 dis.hwndItem = infoPtr->hwndSelf;
421 dis.hDC = hdc;
422 dis.rcItem = phdi->rect;
423 dis.itemData = phdi->lParam;
424 oldBkMode = SetBkMode(hdc, TRANSPARENT);
425 ret = SendMessageW (infoPtr->hwndNotify, WM_DRAWITEM, dis.CtlID, (LPARAM)&dis);
426 if (oldBkMode != TRANSPARENT)
427 SetBkMode(hdc, oldBkMode);
428
429 if (!ret)
430 HEADER_FillItemFrame(infoPtr, hdc, &r, phdi, bHotTrack);
431
432 /* Edges are always drawn if we don't have attached theme. */
433 HEADER_DrawItemFrame(infoPtr, hdc, &r, phdi);
434 /* If application processed WM_DRAWITEM we should skip label painting,
435 edges are drawn no matter what. */
436 if (ret) return phdi->rect.right;
437 }
438 else
439 HEADER_DrawItemFrame(infoPtr, hdc, &r, phdi);
440
441 if (phdi->bDown) {
442 r.left += 2;
443 r.top += 2;
444 }
445
446 /* Now text and image */
447 {
448 INT rw, rh; /* width and height of r */
449 INT *x = NULL; /* x and ... */
450 UINT *w = NULL; /* ... width of the pic (bmp or img) which is part of cnt */
451 /* cnt,txt,img,bmp */
452 INT cx, tx, ix, bx;
453 UINT cw, tw, iw, bw;
454 INT img_cx, img_cy;
455 INT sort_w, sort_x, sort_h;
456 BITMAP bmp;
457
458 HEADER_PrepareCallbackItems(infoPtr, iItem, HDI_TEXT|HDI_IMAGE);
459 cw = iw = bw = sort_w = sort_h = 0;
460 rw = r.right - r.left;
461 rh = r.bottom - r.top;
462
463 if (phdi->fmt & HDF_STRING) {
464 RECT textRect;
465
466 SetRectEmpty(&textRect);
467
468 if (theme) {
469 GetThemeTextExtent(theme, hdc, HP_HEADERITEM, state, phdi->pszText, -1,
470 DT_LEFT|DT_VCENTER|DT_SINGLELINE, NULL, &textRect);
471 } else {
472 DrawTextW (hdc, phdi->pszText, -1,
473 &textRect, DT_LEFT|DT_VCENTER|DT_SINGLELINE|DT_CALCRECT);
474 }
475 cw = textRect.right - textRect.left + 2 * infoPtr->iMargin;
476 }
477
478 if (phdi->fmt & (HDF_SORTUP | HDF_SORTDOWN)) {
479 sort_h = MulDiv( infoPtr->nHeight - VERT_BORDER, 4, 13 );
480 sort_w = 2 * sort_h - 1 + infoPtr->iMargin * 2;
481 cw += sort_w;
482 } else { /* sort arrows take precedent over images/bitmaps */
483 if ((phdi->fmt & HDF_IMAGE) && ImageList_GetIconSize( infoPtr->himl, &img_cx, &img_cy )) {
484 iw = img_cx + 2 * infoPtr->iMargin;
485 x = &ix;
486 w = &iw;
487 }
488
489 if ((phdi->fmt & HDF_BITMAP) && (phdi->hbm)) {
490 GetObjectW (phdi->hbm, sizeof(BITMAP), &bmp);
491 bw = bmp.bmWidth + 2 * infoPtr->iMargin;
492 if (!iw) {
493 x = &bx;
494 w = &bw;
495 }
496 }
497 if (bw || iw)
498 cw += *w;
499 }
500
501 /* align cx using the unclipped cw */
502 if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_LEFT)
503 cx = r.left;
504 else if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_CENTER)
505 cx = r.left + rw / 2 - cw / 2;
506 else /* HDF_RIGHT */
507 cx = r.right - cw;
508
509 /* clip cx & cw */
510 if (cx < r.left)
511 cx = r.left;
512 if (cx + cw > r.right)
513 cw = r.right - cx;
514
515 tx = cx + infoPtr->iMargin;
516 /* since cw might have changed we have to recalculate tw */
517 tw = cw - infoPtr->iMargin * 2;
518
519 tw -= sort_w;
520 sort_x = cx + tw + infoPtr->iMargin * 3;
521
522 if (iw || bw) {
523 tw -= *w;
524 if (phdi->fmt & HDF_BITMAP_ON_RIGHT) {
525 /* put pic behind text */
526 *x = cx + tw + infoPtr->iMargin * 3;
527 } else {
528 *x = cx + infoPtr->iMargin;
529 /* move text behind pic */
530 tx += *w;
531 }
532 }
533
534 if (iw && bw) {
535 /* since we're done with the layout we can
536 now calculate the position of bmp which
537 has no influence on alignment and layout
538 because of img */
539 if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_RIGHT)
540 bx = cx - bw + infoPtr->iMargin;
541 else
542 bx = cx + cw + infoPtr->iMargin;
543 }
544
545 if (sort_w || iw || bw) {
546 HDC hClipDC = GetDC(infoPtr->hwndSelf);
547 HRGN hClipRgn = CreateRectRgn(r.left, r.top, r.right, r.bottom);
548 SelectClipRgn(hClipDC, hClipRgn);
549
550 if (sort_w) {
551 HRGN arrow = create_sort_arrow( sort_x, r.top + (rh - sort_h) / 2,
552 sort_h, phdi->fmt & HDF_SORTUP );
553 if (arrow) {
554 FillRgn( hClipDC, arrow, GetSysColorBrush( COLOR_GRAYTEXT ) );
555 DeleteObject( arrow );
556 }
557 }
558
559 if (bw) {
560 HDC hdcBitmap = CreateCompatibleDC (hClipDC);
561 SelectObject (hdcBitmap, phdi->hbm);
562 BitBlt (hClipDC, bx, r.top + (rh - bmp.bmHeight) / 2,
563 bmp.bmWidth, bmp.bmHeight, hdcBitmap, 0, 0, SRCCOPY);
564 DeleteDC (hdcBitmap);
565 }
566
567 if (iw) {
568 ImageList_DrawEx (infoPtr->himl, phdi->iImage, hClipDC,
569 ix, r.top + (rh - img_cy) / 2,
570 img_cx, img_cy, CLR_DEFAULT, CLR_DEFAULT, 0);
571 }
572
573 DeleteObject(hClipRgn);
574 ReleaseDC(infoPtr->hwndSelf, hClipDC);
575 }
576
577 if (((phdi->fmt & HDF_STRING)
578 || (!(phdi->fmt & (HDF_OWNERDRAW|HDF_STRING|HDF_BITMAP|
579 HDF_BITMAP_ON_RIGHT|HDF_IMAGE)))) /* no explicit format specified? */
580 && (phdi->pszText)) {
581 oldBkMode = SetBkMode(hdc, TRANSPARENT);
582 r.left = tx;
583 r.right = tx + tw;
584 if (theme) {
585 DrawThemeText(theme, hdc, HP_HEADERITEM, state, phdi->pszText,
586 -1, DT_LEFT|DT_END_ELLIPSIS|DT_VCENTER|DT_SINGLELINE,
587 0, &r);
588 } else {
589 DrawTextW (hdc, phdi->pszText, -1,
590 &r, DT_LEFT|DT_END_ELLIPSIS|DT_VCENTER|DT_SINGLELINE);
591 }
592 if (oldBkMode != TRANSPARENT)
593 SetBkMode(hdc, oldBkMode);
594 }
595 HEADER_FreeCallbackItems(phdi);
596 }
597
598 return phdi->rect.right;
599 }
600
601 static void
602 HEADER_DrawHotDivider(const HEADER_INFO *infoPtr, HDC hdc)
603 {
604 HBRUSH brush;
605 RECT r;
606
607 HEADER_GetHotDividerRect(infoPtr, &r);
608 brush = CreateSolidBrush(comctl32_color.clrHighlight);
609 FillRect(hdc, &r, brush);
610 DeleteObject(brush);
611 }
612
613 static void
614 HEADER_Refresh (HEADER_INFO *infoPtr, HDC hdc)
615 {
616 HFONT hFont, hOldFont;
617 RECT rect, rcRest;
618 HBRUSH hbrBk;
619 UINT i;
620 INT x;
621 LRESULT lCDFlags;
622 HTHEME theme = GetWindowTheme (infoPtr->hwndSelf);
623
624 if (!infoPtr->bRectsValid)
625 HEADER_SetItemBounds(infoPtr);
626
627 /* get rect for the bar, adjusted for the border */
628 GetClientRect (infoPtr->hwndSelf, &rect);
629 lCDFlags = HEADER_SendCtrlCustomDraw(infoPtr, CDDS_PREPAINT, hdc, &rect);
630
631 if (infoPtr->bDragging)
632 ImageList_DragShowNolock(FALSE);
633
634 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT);
635 hOldFont = SelectObject (hdc, hFont);
636
637 /* draw Background */
638 if (infoPtr->uNumItem == 0 && theme == NULL) {
639 hbrBk = GetSysColorBrush(COLOR_3DFACE);
640 FillRect(hdc, &rect, hbrBk);
641 }
642
643 x = rect.left;
644 for (i = 0; x <= rect.right && i < infoPtr->uNumItem; i++) {
645 int idx = HEADER_OrderToIndex(infoPtr,i);
646 if (RectVisible(hdc, &infoPtr->items[idx].rect))
647 HEADER_DrawItem(infoPtr, hdc, idx, infoPtr->iHotItem == idx, lCDFlags);
648 x = infoPtr->items[idx].rect.right;
649 }
650
651 rcRest = rect;
652 rcRest.left = x;
653 if ((x <= rect.right) && RectVisible(hdc, &rcRest) && (infoPtr->uNumItem > 0)) {
654 if (theme != NULL) {
655 DrawThemeBackground(theme, hdc, HP_HEADERITEM, HIS_NORMAL, &rcRest, NULL);
656 }
657 else if (infoPtr->dwStyle & HDS_FLAT) {
658 hbrBk = GetSysColorBrush(COLOR_3DFACE);
659 FillRect(hdc, &rcRest, hbrBk);
660 }
661 else
662 {
663 if (infoPtr->dwStyle & HDS_BUTTONS)
664 DrawEdge (hdc, &rcRest, EDGE_RAISED, BF_TOP|BF_LEFT|BF_BOTTOM|BF_SOFT|BF_MIDDLE);
665 else
666 DrawEdge (hdc, &rcRest, EDGE_ETCHED, BF_BOTTOM|BF_MIDDLE);
667 }
668 }
669
670 if (infoPtr->iHotDivider != -1)
671 HEADER_DrawHotDivider(infoPtr, hdc);
672
673 if (infoPtr->bDragging)
674 ImageList_DragShowNolock(TRUE);
675 SelectObject (hdc, hOldFont);
676
677 if (lCDFlags & CDRF_NOTIFYPOSTPAINT)
678 HEADER_SendCtrlCustomDraw(infoPtr, CDDS_POSTPAINT, hdc, &rect);
679 }
680
681
682 static void
683 HEADER_RefreshItem (HEADER_INFO *infoPtr, INT iItem)
684 {
685 if (!infoPtr->bRectsValid)
686 HEADER_SetItemBounds(infoPtr);
687
688 InvalidateRect(infoPtr->hwndSelf, &infoPtr->items[iItem].rect, FALSE);
689 }
690
691
692 static void
693 HEADER_InternalHitTest (const HEADER_INFO *infoPtr, const POINT *lpPt, UINT *pFlags, INT *pItem)
694 {
695 RECT rect, rcTest;
696 UINT iCount;
697 INT width;
698 BOOL bNoWidth;
699
700 GetClientRect (infoPtr->hwndSelf, &rect);
701
702 *pFlags = 0;
703 bNoWidth = FALSE;
704 if (PtInRect (&rect, *lpPt))
705 {
706 if (infoPtr->uNumItem == 0) {
707 *pFlags |= HHT_NOWHERE;
708 *pItem = 1;
709 TRACE("NOWHERE\n");
710 return;
711 }
712 else {
713 /* somewhere inside */
714 for (iCount = 0; iCount < infoPtr->uNumItem; iCount++) {
715 rect = infoPtr->items[iCount].rect;
716 width = rect.right - rect.left;
717 if (width == 0) {
718 bNoWidth = TRUE;
719 continue;
720 }
721 if (PtInRect (&rect, *lpPt)) {
722 if (width <= 2 * DIVIDER_WIDTH) {
723 *pFlags |= HHT_ONHEADER;
724 *pItem = iCount;
725 TRACE("ON HEADER %d\n", iCount);
726 return;
727 }
728 if (HEADER_IndexToOrder(infoPtr, iCount) > 0) {
729 rcTest = rect;
730 rcTest.right = rcTest.left + DIVIDER_WIDTH;
731 if (PtInRect (&rcTest, *lpPt)) {
732 if (HEADER_IsItemFixed(infoPtr, HEADER_PrevItem(infoPtr, iCount)))
733 {
734 *pFlags |= HHT_ONHEADER;
735 *pItem = iCount;
736 TRACE("ON HEADER %d\n", *pItem);
737 return;
738 }
739 if (bNoWidth) {
740 *pFlags |= HHT_ONDIVOPEN;
741 *pItem = HEADER_PrevItem(infoPtr, iCount);
742 TRACE("ON DIVOPEN %d\n", *pItem);
743 return;
744 }
745 else {
746 *pFlags |= HHT_ONDIVIDER;
747 *pItem = HEADER_PrevItem(infoPtr, iCount);
748 TRACE("ON DIVIDER %d\n", *pItem);
749 return;
750 }
751 }
752 }
753 rcTest = rect;
754 rcTest.left = rcTest.right - DIVIDER_WIDTH;
755 if (!HEADER_IsItemFixed(infoPtr, iCount) && PtInRect (&rcTest, *lpPt))
756 {
757 *pFlags |= HHT_ONDIVIDER;
758 *pItem = iCount;
759 TRACE("ON DIVIDER %d\n", *pItem);
760 return;
761 }
762
763 *pFlags |= HHT_ONHEADER;
764 *pItem = iCount;
765 TRACE("ON HEADER %d\n", iCount);
766 return;
767 }
768 }
769
770 /* check for last divider part (on nowhere) */
771 if (!HEADER_IsItemFixed(infoPtr, infoPtr->uNumItem - 1))
772 {
773 rect = infoPtr->items[infoPtr->uNumItem-1].rect;
774 rect.left = rect.right;
775 rect.right += DIVIDER_WIDTH;
776 if (PtInRect (&rect, *lpPt)) {
777 if (bNoWidth) {
778 *pFlags |= HHT_ONDIVOPEN;
779 *pItem = infoPtr->uNumItem - 1;
780 TRACE("ON DIVOPEN %d\n", *pItem);
781 return;
782 }
783 else {
784 *pFlags |= HHT_ONDIVIDER;
785 *pItem = infoPtr->uNumItem - 1;
786 TRACE("ON DIVIDER %d\n", *pItem);
787 return;
788 }
789 }
790 }
791
792 *pFlags |= HHT_NOWHERE;
793 *pItem = 1;
794 TRACE("NOWHERE\n");
795 return;
796 }
797 }
798 else {
799 if (lpPt->x < rect.left) {
800 TRACE("TO LEFT\n");
801 *pFlags |= HHT_TOLEFT;
802 }
803 else if (lpPt->x > rect.right) {
804 TRACE("TO RIGHT\n");
805 *pFlags |= HHT_TORIGHT;
806 }
807
808 if (lpPt->y < rect.top) {
809 TRACE("ABOVE\n");
810 *pFlags |= HHT_ABOVE;
811 }
812 else if (lpPt->y > rect.bottom) {
813 TRACE("BELOW\n");
814 *pFlags |= HHT_BELOW;
815 }
816 }
817
818 *pItem = 1;
819 TRACE("flags=0x%X\n", *pFlags);
820 return;
821 }
822
823
824 static void
825 HEADER_DrawTrackLine (const HEADER_INFO *infoPtr, HDC hdc, INT x)
826 {
827 RECT rect;
828
829 GetClientRect (infoPtr->hwndSelf, &rect);
830 PatBlt( hdc, x, rect.top, 1, rect.bottom - rect.top, DSTINVERT );
831 }
832
833 /***
834 * DESCRIPTION:
835 * Convert a HDITEM into the correct format (ANSI/Unicode) to send it in a notify
836 *
837 * PARAMETER(S):
838 * [I] infoPtr : the header that wants to send the notify
839 * [O] dest : The buffer to store the HDITEM for notify. It may be set to a HDITEMA of HDITEMW
840 * [I] src : The source HDITEM. It may be a HDITEMA or HDITEMW
841 * [I] fSourceUnicode : is src a HDITEMW or HDITEMA
842 * [O] ppvScratch : a pointer to a scratch buffer that needs to be freed after
843 * the HDITEM is no longer in use or NULL if none was needed
844 *
845 * NOTE: We depend on HDITEMA and HDITEMW having the same structure
846 */
847 static void HEADER_CopyHDItemForNotify(const HEADER_INFO *infoPtr, HDITEMW *dest,
848 const HDITEMW *src, BOOL fSourceUnicode, LPVOID *ppvScratch)
849 {
850 *ppvScratch = NULL;
851 *dest = *src;
852
853 if (src->mask & HDI_TEXT && src->pszText != LPSTR_TEXTCALLBACKW) /* covers TEXTCALLBACKA as well */
854 {
855 if (fSourceUnicode && infoPtr->nNotifyFormat != NFR_UNICODE)
856 {
857 dest->pszText = NULL;
858 Str_SetPtrWtoA((LPSTR *)&dest->pszText, src->pszText);
859 *ppvScratch = dest->pszText;
860 }
861
862 if (!fSourceUnicode && infoPtr->nNotifyFormat == NFR_UNICODE)
863 {
864 dest->pszText = NULL;
865 Str_SetPtrAtoW(&dest->pszText, (LPSTR)src->pszText);
866 *ppvScratch = dest->pszText;
867 }
868 }
869 }
870
871 static UINT HEADER_NotifyCodeWtoA(UINT code)
872 {
873 /* we use the fact that all the unicode messages are in HDN_FIRST_UNICODE..HDN_LAST*/
874 if (code >= HDN_LAST && code <= HDN_FIRST_UNICODE)
875 return code + HDN_UNICODE_OFFSET;
876 else
877 return code;
878 }
879
880 static LRESULT
881 HEADER_SendNotify(const HEADER_INFO *infoPtr, UINT code, NMHDR *nmhdr)
882 {
883 nmhdr->hwndFrom = infoPtr->hwndSelf;
884 nmhdr->idFrom = GetWindowLongPtrW (infoPtr->hwndSelf, GWLP_ID);
885 nmhdr->code = code;
886
887 return SendMessageW(infoPtr->hwndNotify, WM_NOTIFY,
888 nmhdr->idFrom, (LPARAM)nmhdr);
889 }
890
891 static BOOL
892 HEADER_SendSimpleNotify (const HEADER_INFO *infoPtr, UINT code)
893 {
894 NMHDR nmhdr;
895 return (BOOL)HEADER_SendNotify(infoPtr, code, &nmhdr);
896 }
897
898 static LRESULT
899 HEADER_SendCtrlCustomDraw(const HEADER_INFO *infoPtr, DWORD dwDrawStage, HDC hdc, const RECT *rect)
900 {
901 NMCUSTOMDRAW nm;
902 nm.dwDrawStage = dwDrawStage;
903 nm.hdc = hdc;
904 nm.rc = *rect;
905 nm.dwItemSpec = 0;
906 nm.uItemState = 0;
907 nm.lItemlParam = 0;
908
909 return HEADER_SendNotify(infoPtr, NM_CUSTOMDRAW, (NMHDR *)&nm);
910 }
911
912 static BOOL
913 HEADER_SendNotifyWithHDItemT(const HEADER_INFO *infoPtr, UINT code, INT iItem, HDITEMW *lpItem)
914 {
915 NMHEADERW nmhdr;
916
917 if (infoPtr->nNotifyFormat != NFR_UNICODE)
918 code = HEADER_NotifyCodeWtoA(code);
919 nmhdr.iItem = iItem;
920 nmhdr.iButton = 0;
921 nmhdr.pitem = lpItem;
922
923 return (BOOL)HEADER_SendNotify(infoPtr, code, (NMHDR *)&nmhdr);
924 }
925
926 static BOOL
927 HEADER_SendNotifyWithIntFieldT(const HEADER_INFO *infoPtr, UINT code, INT iItem, INT mask, INT iValue)
928 {
929 HDITEMW nmitem;
930
931 /* copying only the iValue should be ok but to make the code more robust we copy everything */
932 nmitem.cxy = infoPtr->items[iItem].cxy;
933 nmitem.hbm = infoPtr->items[iItem].hbm;
934 nmitem.pszText = NULL;
935 nmitem.cchTextMax = 0;
936 nmitem.fmt = infoPtr->items[iItem].fmt;
937 nmitem.lParam = infoPtr->items[iItem].lParam;
938 nmitem.iOrder = infoPtr->items[iItem].iOrder;
939 nmitem.iImage = infoPtr->items[iItem].iImage;
940
941 nmitem.mask = mask;
942 switch (mask)
943 {
944 case HDI_WIDTH:
945 nmitem.cxy = iValue;
946 break;
947 case HDI_ORDER:
948 nmitem.iOrder = iValue;
949 break;
950 default:
951 ERR("invalid mask value 0x%x\n", iValue);
952 }
953
954 return HEADER_SendNotifyWithHDItemT(infoPtr, code, iItem, &nmitem);
955 }
956
957 /**
958 * Prepare callback items
959 * depends on NMHDDISPINFOW having same structure as NMHDDISPINFOA
960 * (so we handle the two cases only doing a specific cast for pszText).
961 * Checks if any of the required fields is a callback. If this is the case sends a
962 * NMHDISPINFO notify to retrieve these items. The items are stored in the
963 * HEADER_ITEM pszText and iImage fields. They should be Freed with
964 * HEADER_FreeCallbackItems.
965 *
966 * @param hwnd : hwnd header container handler
967 * @param iItem : the header item id
968 * @param reqMask : required fields. If any of them is callback this function will fetch it
969 *
970 * @return TRUE on success, else FALSE
971 */
972 static BOOL
973 HEADER_PrepareCallbackItems(const HEADER_INFO *infoPtr, INT iItem, INT reqMask)
974 {
975 HEADER_ITEM *lpItem = &infoPtr->items[iItem];
976 DWORD mask = reqMask & lpItem->callbackMask;
977 NMHDDISPINFOW dispInfo;
978 void *pvBuffer = NULL;
979
980 if (mask == 0)
981 return TRUE;
982 if (mask&HDI_TEXT && lpItem->pszText != NULL)
983 {
984 ERR("(): function called without a call to FreeCallbackItems\n");
985 Free(lpItem->pszText);
986 lpItem->pszText = NULL;
987 }
988
989 memset(&dispInfo, 0, sizeof(NMHDDISPINFOW));
990 dispInfo.hdr.hwndFrom = infoPtr->hwndSelf;
991 dispInfo.hdr.idFrom = GetWindowLongPtrW (infoPtr->hwndSelf, GWLP_ID);
992 if (infoPtr->nNotifyFormat == NFR_UNICODE)
993 {
994 dispInfo.hdr.code = HDN_GETDISPINFOW;
995 if (mask & HDI_TEXT)
996 pvBuffer = Alloc(MAX_HEADER_TEXT_LEN * sizeof(WCHAR));
997 }
998 else
999 {
1000 dispInfo.hdr.code = HDN_GETDISPINFOA;
1001 if (mask & HDI_TEXT)
1002 pvBuffer = Alloc(MAX_HEADER_TEXT_LEN * sizeof(CHAR));
1003 }
1004 dispInfo.pszText = pvBuffer;
1005 dispInfo.cchTextMax = (pvBuffer!=NULL?MAX_HEADER_TEXT_LEN:0);
1006 dispInfo.iItem = iItem;
1007 dispInfo.mask = mask;
1008 dispInfo.lParam = lpItem->lParam;
1009
1010 TRACE("Sending HDN_GETDISPINFO%c\n", infoPtr->nNotifyFormat == NFR_UNICODE?'W':'A');
1011 SendMessageW(infoPtr->hwndNotify, WM_NOTIFY, dispInfo.hdr.idFrom, (LPARAM)&dispInfo);
1012
1013 TRACE("SendMessage returns(mask:0x%x,str:%s,lParam:%p)\n",
1014 dispInfo.mask,
1015 (infoPtr->nNotifyFormat == NFR_UNICODE ? debugstr_w(dispInfo.pszText) : (LPSTR) dispInfo.pszText),
1016 (void*) dispInfo.lParam);
1017
1018 if (mask & HDI_IMAGE)
1019 lpItem->iImage = dispInfo.iImage;
1020 if (mask & HDI_TEXT)
1021 {
1022 if (infoPtr->nNotifyFormat == NFR_UNICODE)
1023 {
1024 lpItem->pszText = pvBuffer;
1025
1026 /* the user might have used his own buffer */
1027 if (dispInfo.pszText != lpItem->pszText)
1028 Str_GetPtrW(dispInfo.pszText, lpItem->pszText, MAX_HEADER_TEXT_LEN);
1029 }
1030 else
1031 {
1032 Str_SetPtrAtoW(&lpItem->pszText, (LPSTR)dispInfo.pszText);
1033 Free(pvBuffer);
1034 }
1035 }
1036
1037 if (dispInfo.mask & HDI_DI_SETITEM)
1038 {
1039 /* make the items permanent */
1040 lpItem->callbackMask &= ~dispInfo.mask;
1041 }
1042
1043 return TRUE;
1044 }
1045
1046 /***
1047 * DESCRIPTION:
1048 * Free the items that might be allocated with HEADER_PrepareCallbackItems
1049 *
1050 * PARAMETER(S):
1051 * [I] lpItem : the item to free the data
1052 *
1053 */
1054 static void
1055 HEADER_FreeCallbackItems(HEADER_ITEM *lpItem)
1056 {
1057 if (lpItem->callbackMask&HDI_TEXT)
1058 {
1059 Free(lpItem->pszText);
1060 lpItem->pszText = NULL;
1061 }
1062
1063 if (lpItem->callbackMask&HDI_IMAGE)
1064 lpItem->iImage = I_IMAGECALLBACK;
1065 }
1066
1067 static HIMAGELIST
1068 HEADER_CreateDragImage (HEADER_INFO *infoPtr, INT iItem)
1069 {
1070 HEADER_ITEM *lpItem;
1071 HIMAGELIST himl;
1072 HBITMAP hMemory, hOldBitmap;
1073 LRESULT lCDFlags;
1074 RECT rc;
1075 HDC hMemoryDC;
1076 HDC hDeviceDC;
1077 int height, width;
1078 HFONT hFont;
1079
1080 if (iItem >= infoPtr->uNumItem)
1081 return NULL;
1082
1083 if (!infoPtr->bRectsValid)
1084 HEADER_SetItemBounds(infoPtr);
1085
1086 lpItem = &infoPtr->items[iItem];
1087 width = lpItem->rect.right - lpItem->rect.left;
1088 height = lpItem->rect.bottom - lpItem->rect.top;
1089
1090 hDeviceDC = GetDC(NULL);
1091 hMemoryDC = CreateCompatibleDC(hDeviceDC);
1092 hMemory = CreateCompatibleBitmap(hDeviceDC, width, height);
1093 ReleaseDC(NULL, hDeviceDC);
1094 hOldBitmap = SelectObject(hMemoryDC, hMemory);
1095 SetViewportOrgEx(hMemoryDC, -lpItem->rect.left, -lpItem->rect.top, NULL);
1096 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject(SYSTEM_FONT);
1097 SelectObject(hMemoryDC, hFont);
1098
1099 GetClientRect(infoPtr->hwndSelf, &rc);
1100 lCDFlags = HEADER_SendCtrlCustomDraw(infoPtr, CDDS_PREPAINT, hMemoryDC, &rc);
1101 HEADER_DrawItem(infoPtr, hMemoryDC, iItem, FALSE, lCDFlags);
1102 if (lCDFlags & CDRF_NOTIFYPOSTPAINT)
1103 HEADER_SendCtrlCustomDraw(infoPtr, CDDS_POSTPAINT, hMemoryDC, &rc);
1104
1105 hMemory = SelectObject(hMemoryDC, hOldBitmap);
1106 DeleteDC(hMemoryDC);
1107
1108 if (hMemory == NULL) /* if anything failed */
1109 return NULL;
1110
1111 himl = ImageList_Create(width, height, ILC_COLORDDB, 1, 1);
1112 ImageList_Add(himl, hMemory, NULL);
1113 DeleteObject(hMemory);
1114 return himl;
1115 }
1116
1117 static LRESULT
1118 HEADER_SetHotDivider(HEADER_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
1119 {
1120 INT iDivider;
1121 RECT r;
1122
1123 if (wParam)
1124 {
1125 POINT pt;
1126 UINT flags;
1127 pt.x = (INT)(SHORT)LOWORD(lParam);
1128 pt.y = 0;
1129 HEADER_InternalHitTest (infoPtr, &pt, &flags, &iDivider);
1130
1131 if (flags & HHT_TOLEFT)
1132 iDivider = 0;
1133 else if (flags & HHT_NOWHERE || flags & HHT_TORIGHT)
1134 iDivider = infoPtr->uNumItem;
1135 else
1136 {
1137 HEADER_ITEM *lpItem = &infoPtr->items[iDivider];
1138 if (pt.x > (lpItem->rect.left+lpItem->rect.right)/2)
1139 iDivider = HEADER_NextItem(infoPtr, iDivider);
1140 }
1141 }
1142 else
1143 iDivider = (INT)lParam;
1144
1145 /* Note; wParam==FALSE, lParam==-1 is valid and is used to clear the hot divider */
1146 if (iDivider<-1 || iDivider>(int)infoPtr->uNumItem)
1147 return iDivider;
1148
1149 if (iDivider != infoPtr->iHotDivider)
1150 {
1151 if (infoPtr->iHotDivider != -1)
1152 {
1153 HEADER_GetHotDividerRect(infoPtr, &r);
1154 InvalidateRect(infoPtr->hwndSelf, &r, FALSE);
1155 }
1156 infoPtr->iHotDivider = iDivider;
1157 if (iDivider != -1)
1158 {
1159 HEADER_GetHotDividerRect(infoPtr, &r);
1160 InvalidateRect(infoPtr->hwndSelf, &r, FALSE);
1161 }
1162 }
1163 return iDivider;
1164 }
1165
1166 static LRESULT
1167 HEADER_DeleteItem (HEADER_INFO *infoPtr, INT iItem)
1168 {
1169 INT iOrder;
1170 UINT i;
1171
1172 TRACE("[iItem=%d]\n", iItem);
1173
1174 if ((iItem < 0) || (iItem >= (INT)infoPtr->uNumItem))
1175 return FALSE;
1176
1177 for (i = 0; i < infoPtr->uNumItem; i++)
1178 TRACE("%d: order=%d, iOrder=%d, ->iOrder=%d\n", i, infoPtr->order[i], infoPtr->items[i].iOrder, infoPtr->items[infoPtr->order[i]].iOrder);
1179
1180 iOrder = infoPtr->items[iItem].iOrder;
1181 Free(infoPtr->items[iItem].pszText);
1182
1183 infoPtr->uNumItem--;
1184 memmove(&infoPtr->items[iItem], &infoPtr->items[iItem + 1],
1185 (infoPtr->uNumItem - iItem) * sizeof(HEADER_ITEM));
1186 memmove(&infoPtr->order[iOrder], &infoPtr->order[iOrder + 1],
1187 (infoPtr->uNumItem - iOrder) * sizeof(INT));
1188 infoPtr->items = ReAlloc(infoPtr->items, sizeof(HEADER_ITEM) * infoPtr->uNumItem);
1189 infoPtr->order = ReAlloc(infoPtr->order, sizeof(INT) * infoPtr->uNumItem);
1190
1191 /* Correct the orders */
1192 for (i = 0; i < infoPtr->uNumItem; i++)
1193 {
1194 if (infoPtr->order[i] > iItem)
1195 infoPtr->order[i]--;
1196 if (i >= iOrder)
1197 infoPtr->items[infoPtr->order[i]].iOrder = i;
1198 }
1199 for (i = 0; i < infoPtr->uNumItem; i++)
1200 TRACE("%d: order=%d, iOrder=%d, ->iOrder=%d\n", i, infoPtr->order[i], infoPtr->items[i].iOrder, infoPtr->items[infoPtr->order[i]].iOrder);
1201
1202 HEADER_SetItemBounds (infoPtr);
1203 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1204
1205 return TRUE;
1206 }
1207
1208
1209 static LRESULT
1210 HEADER_GetImageList (const HEADER_INFO *infoPtr)
1211 {
1212 return (LRESULT)infoPtr->himl;
1213 }
1214
1215
1216 static LRESULT
1217 HEADER_GetItemT (const HEADER_INFO *infoPtr, INT nItem, LPHDITEMW phdi, BOOL bUnicode)
1218 {
1219 HEADER_ITEM *lpItem;
1220 UINT mask;
1221
1222 if (!phdi)
1223 return FALSE;
1224
1225 TRACE("[nItem=%d]\n", nItem);
1226
1227 mask = phdi->mask;
1228 if (mask == 0)
1229 return TRUE;
1230
1231 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
1232 return FALSE;
1233
1234 if (mask & HDI_UNKNOWN_FIELDS)
1235 {
1236 TRACE("mask %x contains unknown fields. Using only comctl32 4.0 fields\n", mask);
1237 mask &= HDI_COMCTL32_4_0_FIELDS;
1238 }
1239
1240 lpItem = &infoPtr->items[nItem];
1241 HEADER_PrepareCallbackItems(infoPtr, nItem, mask);
1242
1243 if (mask & HDI_BITMAP)
1244 phdi->hbm = lpItem->hbm;
1245
1246 if (mask & HDI_FORMAT)
1247 phdi->fmt = lpItem->fmt;
1248
1249 if (mask & HDI_WIDTH)
1250 phdi->cxy = lpItem->cxy;
1251
1252 if (mask & HDI_LPARAM)
1253 phdi->lParam = lpItem->lParam;
1254
1255 if (mask & HDI_IMAGE)
1256 phdi->iImage = lpItem->iImage;
1257
1258 if (mask & HDI_ORDER)
1259 phdi->iOrder = lpItem->iOrder;
1260
1261 if (mask & HDI_TEXT)
1262 {
1263 if (bUnicode)
1264 Str_GetPtrW (lpItem->pszText, phdi->pszText, phdi->cchTextMax);
1265 else
1266 Str_GetPtrWtoA (lpItem->pszText, (LPSTR)phdi->pszText, phdi->cchTextMax);
1267 }
1268
1269 HEADER_FreeCallbackItems(lpItem);
1270 return TRUE;
1271 }
1272
1273
1274 static inline LRESULT
1275 HEADER_GetItemCount (const HEADER_INFO *infoPtr)
1276 {
1277 return infoPtr->uNumItem;
1278 }
1279
1280
1281 static LRESULT
1282 HEADER_GetItemRect (const HEADER_INFO *infoPtr, INT iItem, LPRECT lpRect)
1283 {
1284 if ((iItem < 0) || (iItem >= (INT)infoPtr->uNumItem))
1285 return FALSE;
1286
1287 lpRect->left = infoPtr->items[iItem].rect.left;
1288 lpRect->right = infoPtr->items[iItem].rect.right;
1289 lpRect->top = infoPtr->items[iItem].rect.top;
1290 lpRect->bottom = infoPtr->items[iItem].rect.bottom;
1291
1292 return TRUE;
1293 }
1294
1295
1296 static LRESULT
1297 HEADER_GetOrderArray(const HEADER_INFO *infoPtr, INT size, LPINT order)
1298 {
1299 if ((UINT)size <infoPtr->uNumItem)
1300 return FALSE;
1301
1302 memcpy(order, infoPtr->order, infoPtr->uNumItem * sizeof(INT));
1303 return TRUE;
1304 }
1305
1306 /* Returns index of first duplicate 'value' from [0,to) range,
1307 or -1 if there isn't any */
1308 static INT has_duplicate(const INT *array, INT to, INT value)
1309 {
1310 INT i;
1311 for(i = 0; i < to; i++)
1312 if (array[i] == value) return i;
1313 return -1;
1314 }
1315
1316 /* returns next available value from [0,max] not to duplicate in [0,to) */
1317 static INT get_nextvalue(const INT *array, INT to, INT max)
1318 {
1319 INT i;
1320 for(i = 0; i < max; i++)
1321 if (has_duplicate(array, to, i) == -1) return i;
1322 return 0;
1323 }
1324
1325 static LRESULT
1326 HEADER_SetOrderArray(HEADER_INFO *infoPtr, INT size, const INT *order)
1327 {
1328 HEADER_ITEM *lpItem;
1329 INT i;
1330
1331 if ((UINT)size != infoPtr->uNumItem)
1332 return FALSE;
1333
1334 if (TRACE_ON(header))
1335 {
1336 TRACE("count=%d, order array={", size);
1337 for (i = 0; i < size; i++)
1338 TRACE("%d%c", order[i], i != size-1 ? ',' : '}');
1339 TRACE("\n");
1340 }
1341
1342 for (i=0; i<size; i++)
1343 {
1344 if (order[i] >= size || order[i] < 0)
1345 /* on invalid index get next available */
1346 /* FIXME: if i==0 array item is out of range behaviour is
1347 different, see tests */
1348 infoPtr->order[i] = get_nextvalue(infoPtr->order, i, size);
1349 else
1350 {
1351 INT j, dup;
1352
1353 infoPtr->order[i] = order[i];
1354 j = i;
1355 /* remove duplicates */
1356 while ((dup = has_duplicate(infoPtr->order, j, order[j])) != -1)
1357 {
1358 INT next;
1359
1360 next = get_nextvalue(infoPtr->order, j, size);
1361 infoPtr->order[dup] = next;
1362 j--;
1363 }
1364 }
1365 }
1366 /* sync with item data */
1367 for (i=0; i<size; i++)
1368 {
1369 lpItem = &infoPtr->items[infoPtr->order[i]];
1370 lpItem->iOrder = i;
1371 }
1372 HEADER_SetItemBounds(infoPtr);
1373 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1374 return TRUE;
1375 }
1376
1377 static inline LRESULT
1378 HEADER_GetUnicodeFormat (const HEADER_INFO *infoPtr)
1379 {
1380 return (infoPtr->nNotifyFormat == NFR_UNICODE);
1381 }
1382
1383
1384 static LRESULT
1385 HEADER_HitTest (const HEADER_INFO *infoPtr, LPHDHITTESTINFO phti)
1386 {
1387 UINT outside = HHT_NOWHERE | HHT_ABOVE | HHT_BELOW | HHT_TOLEFT | HHT_TORIGHT;
1388
1389 HEADER_InternalHitTest (infoPtr, &phti->pt, &phti->flags, &phti->iItem);
1390
1391 if (phti->flags & outside)
1392 return phti->iItem = -1;
1393 else
1394 return phti->iItem;
1395 }
1396
1397
1398 static LRESULT
1399 HEADER_InsertItemT (HEADER_INFO *infoPtr, INT nItem, const HDITEMW *phdi, BOOL bUnicode)
1400 {
1401 HEADER_ITEM *lpItem;
1402 INT iOrder;
1403 UINT i;
1404 UINT copyMask;
1405
1406 if ((phdi == NULL) || (nItem < 0) || (phdi->mask == 0))
1407 return -1;
1408
1409 if (nItem > infoPtr->uNumItem)
1410 nItem = infoPtr->uNumItem;
1411
1412 iOrder = (phdi->mask & HDI_ORDER) ? phdi->iOrder : nItem;
1413 if (iOrder < 0)
1414 iOrder = 0;
1415 else if (infoPtr->uNumItem < iOrder)
1416 iOrder = infoPtr->uNumItem;
1417
1418 infoPtr->uNumItem++;
1419 infoPtr->items = ReAlloc(infoPtr->items, sizeof(HEADER_ITEM) * infoPtr->uNumItem);
1420 infoPtr->order = ReAlloc(infoPtr->order, sizeof(INT) * infoPtr->uNumItem);
1421
1422 /* make space for the new item */
1423 memmove(&infoPtr->items[nItem + 1], &infoPtr->items[nItem],
1424 (infoPtr->uNumItem - nItem - 1) * sizeof(HEADER_ITEM));
1425 memmove(&infoPtr->order[iOrder + 1], &infoPtr->order[iOrder],
1426 (infoPtr->uNumItem - iOrder - 1) * sizeof(INT));
1427
1428 /* update the order array */
1429 infoPtr->order[iOrder] = nItem;
1430 for (i = 0; i < infoPtr->uNumItem; i++)
1431 {
1432 if (i != iOrder && infoPtr->order[i] >= nItem)
1433 infoPtr->order[i]++;
1434 infoPtr->items[infoPtr->order[i]].iOrder = i;
1435 }
1436
1437 lpItem = &infoPtr->items[nItem];
1438 ZeroMemory(lpItem, sizeof(HEADER_ITEM));
1439 /* cxy, fmt and lParam are copied even if not in the HDITEM mask */
1440 copyMask = phdi->mask | HDI_WIDTH | HDI_FORMAT | HDI_LPARAM;
1441 HEADER_StoreHDItemInHeader(lpItem, copyMask, phdi, bUnicode);
1442 lpItem->iOrder = iOrder;
1443
1444 /* set automatically some format bits */
1445 if (phdi->mask & HDI_TEXT)
1446 lpItem->fmt |= HDF_STRING;
1447 else
1448 lpItem->fmt &= ~HDF_STRING;
1449
1450 if (lpItem->hbm != NULL)
1451 lpItem->fmt |= HDF_BITMAP;
1452 else
1453 lpItem->fmt &= ~HDF_BITMAP;
1454
1455 if (phdi->mask & HDI_IMAGE)
1456 lpItem->fmt |= HDF_IMAGE;
1457
1458 HEADER_SetItemBounds (infoPtr);
1459 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1460
1461 return nItem;
1462 }
1463
1464
1465 static LRESULT
1466 HEADER_Layout (HEADER_INFO *infoPtr, LPHDLAYOUT lpLayout)
1467 {
1468 lpLayout->pwpos->hwndInsertAfter = 0;
1469 lpLayout->pwpos->x = lpLayout->prc->left;
1470 lpLayout->pwpos->y = lpLayout->prc->top;
1471 lpLayout->pwpos->cx = lpLayout->prc->right - lpLayout->prc->left;
1472 if (infoPtr->dwStyle & HDS_HIDDEN)
1473 lpLayout->pwpos->cy = 0;
1474 else {
1475 lpLayout->pwpos->cy = infoPtr->nHeight;
1476 lpLayout->prc->top += infoPtr->nHeight;
1477 }
1478 lpLayout->pwpos->flags = SWP_NOZORDER;
1479
1480 TRACE("Layout x=%d y=%d cx=%d cy=%d\n",
1481 lpLayout->pwpos->x, lpLayout->pwpos->y,
1482 lpLayout->pwpos->cx, lpLayout->pwpos->cy);
1483
1484 infoPtr->bRectsValid = FALSE;
1485
1486 return TRUE;
1487 }
1488
1489
1490 static LRESULT
1491 HEADER_SetImageList (HEADER_INFO *infoPtr, HIMAGELIST himl)
1492 {
1493 HIMAGELIST himlOld;
1494
1495 TRACE("(himl %p)\n", himl);
1496 himlOld = infoPtr->himl;
1497 infoPtr->himl = himl;
1498
1499 /* FIXME: Refresh needed??? */
1500
1501 return (LRESULT)himlOld;
1502 }
1503
1504
1505 static LRESULT
1506 HEADER_GetBitmapMargin(const HEADER_INFO *infoPtr)
1507 {
1508 return infoPtr->iMargin;
1509 }
1510
1511 static LRESULT
1512 HEADER_SetBitmapMargin(HEADER_INFO *infoPtr, INT iMargin)
1513 {
1514 INT oldMargin = infoPtr->iMargin;
1515
1516 infoPtr->iMargin = iMargin;
1517
1518 return oldMargin;
1519 }
1520
1521 static LRESULT
1522 HEADER_SetItemT (HEADER_INFO *infoPtr, INT nItem, const HDITEMW *phdi, BOOL bUnicode)
1523 {
1524 HEADER_ITEM *lpItem;
1525 HDITEMW hdNotify;
1526 void *pvScratch;
1527
1528 if (phdi == NULL)
1529 return FALSE;
1530 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
1531 return FALSE;
1532
1533 TRACE("[nItem=%d]\n", nItem);
1534
1535 HEADER_CopyHDItemForNotify(infoPtr, &hdNotify, phdi, bUnicode, &pvScratch);
1536 if (HEADER_SendNotifyWithHDItemT(infoPtr, HDN_ITEMCHANGINGW, nItem, &hdNotify))
1537 {
1538 Free(pvScratch);
1539 return FALSE;
1540 }
1541
1542 lpItem = &infoPtr->items[nItem];
1543 HEADER_StoreHDItemInHeader(lpItem, phdi->mask, phdi, bUnicode);
1544
1545 if (phdi->mask & HDI_ORDER)
1546 if (phdi->iOrder >= 0 && phdi->iOrder < infoPtr->uNumItem)
1547 HEADER_ChangeItemOrder(infoPtr, nItem, phdi->iOrder);
1548
1549 HEADER_SendNotifyWithHDItemT(infoPtr, HDN_ITEMCHANGEDW, nItem, &hdNotify);
1550
1551 HEADER_SetItemBounds (infoPtr);
1552
1553 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1554
1555 Free(pvScratch);
1556 return TRUE;
1557 }
1558
1559 static inline LRESULT
1560 HEADER_SetUnicodeFormat (HEADER_INFO *infoPtr, WPARAM wParam)
1561 {
1562 BOOL bTemp = (infoPtr->nNotifyFormat == NFR_UNICODE);
1563
1564 infoPtr->nNotifyFormat = ((BOOL)wParam ? NFR_UNICODE : NFR_ANSI);
1565
1566 return bTemp;
1567 }
1568
1569
1570 static LRESULT
1571 HEADER_Create (HWND hwnd, const CREATESTRUCTW *lpcs)
1572 {
1573 HEADER_INFO *infoPtr;
1574 TEXTMETRICW tm;
1575 HFONT hOldFont;
1576 HDC hdc;
1577
1578 infoPtr = Alloc(sizeof(*infoPtr));
1579 SetWindowLongPtrW (hwnd, 0, (DWORD_PTR)infoPtr);
1580
1581 infoPtr->hwndSelf = hwnd;
1582 infoPtr->hwndNotify = lpcs->hwndParent;
1583 infoPtr->uNumItem = 0;
1584 infoPtr->hFont = 0;
1585 infoPtr->items = 0;
1586 infoPtr->order = 0;
1587 infoPtr->bRectsValid = FALSE;
1588 infoPtr->hcurArrow = LoadCursorW (0, (LPWSTR)IDC_ARROW);
1589 infoPtr->hcurDivider = LoadCursorW (COMCTL32_hModule, MAKEINTRESOURCEW(IDC_DIVIDER));
1590 infoPtr->hcurDivopen = LoadCursorW (COMCTL32_hModule, MAKEINTRESOURCEW(IDC_DIVIDEROPEN));
1591 infoPtr->bPressed = FALSE;
1592 infoPtr->bTracking = FALSE;
1593 infoPtr->dwStyle = lpcs->style;
1594 infoPtr->iMoveItem = 0;
1595 infoPtr->himl = 0;
1596 infoPtr->iHotItem = -1;
1597 infoPtr->iHotDivider = -1;
1598 infoPtr->iMargin = 3*GetSystemMetrics(SM_CXEDGE);
1599 infoPtr->nNotifyFormat =
1600 SendMessageW (infoPtr->hwndNotify, WM_NOTIFYFORMAT, (WPARAM)hwnd, NF_QUERY);
1601 infoPtr->filter_change_timeout = 1000;
1602
1603 hdc = GetDC (0);
1604 hOldFont = SelectObject (hdc, GetStockObject (SYSTEM_FONT));
1605 GetTextMetricsW (hdc, &tm);
1606 infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
1607 SelectObject (hdc, hOldFont);
1608 ReleaseDC (0, hdc);
1609
1610 OpenThemeData(hwnd, themeClass);
1611
1612 return 0;
1613 }
1614
1615
1616 static LRESULT
1617 HEADER_Destroy (HEADER_INFO *infoPtr)
1618 {
1619 HTHEME theme = GetWindowTheme(infoPtr->hwndSelf);
1620 CloseThemeData(theme);
1621 return 0;
1622 }
1623
1624 static LRESULT
1625 HEADER_NCDestroy (HEADER_INFO *infoPtr)
1626 {
1627 HEADER_ITEM *lpItem;
1628 INT nItem;
1629
1630 if (infoPtr->items) {
1631 lpItem = infoPtr->items;
1632 for (nItem = 0; nItem < infoPtr->uNumItem; nItem++, lpItem++)
1633 Free(lpItem->pszText);
1634 Free(infoPtr->items);
1635 }
1636
1637 Free(infoPtr->order);
1638
1639 SetWindowLongPtrW (infoPtr->hwndSelf, 0, 0);
1640 Free(infoPtr);
1641
1642 return 0;
1643 }
1644
1645
1646 static inline LRESULT
1647 HEADER_GetFont (const HEADER_INFO *infoPtr)
1648 {
1649 return (LRESULT)infoPtr->hFont;
1650 }
1651
1652
1653 static BOOL
1654 HEADER_IsDragDistance(const HEADER_INFO *infoPtr, const POINT *pt)
1655 {
1656 /* Windows allows for a mouse movement before starting the drag. We use the
1657 * SM_CXDOUBLECLICK/SM_CYDOUBLECLICK as that distance.
1658 */
1659 return (abs(infoPtr->ptLButtonDown.x - pt->x)>GetSystemMetrics(SM_CXDOUBLECLK) ||
1660 abs(infoPtr->ptLButtonDown.y - pt->y)>GetSystemMetrics(SM_CYDOUBLECLK));
1661 }
1662
1663 static LRESULT
1664 HEADER_LButtonDblClk (const HEADER_INFO *infoPtr, INT x, INT y)
1665 {
1666 POINT pt;
1667 UINT flags;
1668 INT nItem;
1669
1670 pt.x = x;
1671 pt.y = y;
1672 HEADER_InternalHitTest (infoPtr, &pt, &flags, &nItem);
1673
1674 if ((infoPtr->dwStyle & HDS_BUTTONS) && (flags == HHT_ONHEADER))
1675 HEADER_SendNotifyWithHDItemT(infoPtr, HDN_ITEMDBLCLICKW, nItem, NULL);
1676 else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN))
1677 HEADER_SendNotifyWithHDItemT(infoPtr, HDN_DIVIDERDBLCLICKW, nItem, NULL);
1678
1679 return 0;
1680 }
1681
1682
1683 static LRESULT
1684 HEADER_LButtonDown (HEADER_INFO *infoPtr, INT x, INT y)
1685 {
1686 POINT pt;
1687 UINT flags;
1688 INT nItem;
1689 HDC hdc;
1690
1691 pt.x = x;
1692 pt.y = y;
1693 HEADER_InternalHitTest (infoPtr, &pt, &flags, &nItem);
1694
1695 if ((infoPtr->dwStyle & HDS_BUTTONS) && (flags == HHT_ONHEADER)) {
1696 SetCapture (infoPtr->hwndSelf);
1697 infoPtr->bCaptured = TRUE;
1698 infoPtr->bPressed = TRUE;
1699 infoPtr->bDragging = FALSE;
1700 infoPtr->iMoveItem = nItem;
1701 infoPtr->ptLButtonDown = pt;
1702
1703 infoPtr->items[nItem].bDown = TRUE;
1704
1705 /* Send WM_CUSTOMDRAW */
1706 hdc = GetDC (infoPtr->hwndSelf);
1707 HEADER_RefreshItem (infoPtr, nItem);
1708 ReleaseDC (infoPtr->hwndSelf, hdc);
1709
1710 TRACE("Pressed item %d.\n", nItem);
1711 }
1712 else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN)) {
1713 INT iCurrWidth = infoPtr->items[nItem].cxy;
1714 if (!HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_BEGINTRACKW, nItem, HDI_WIDTH, iCurrWidth))
1715 {
1716 SetCapture (infoPtr->hwndSelf);
1717 infoPtr->bCaptured = TRUE;
1718 infoPtr->bTracking = TRUE;
1719 infoPtr->iMoveItem = nItem;
1720 infoPtr->xTrackOffset = infoPtr->items[nItem].rect.right - pt.x;
1721
1722 if (!(infoPtr->dwStyle & HDS_FULLDRAG)) {
1723 infoPtr->xOldTrack = infoPtr->items[nItem].rect.right;
1724 hdc = GetDC (infoPtr->hwndSelf);
1725 HEADER_DrawTrackLine (infoPtr, hdc, infoPtr->xOldTrack);
1726 ReleaseDC (infoPtr->hwndSelf, hdc);
1727 }
1728
1729 TRACE("Begin tracking item %d.\n", nItem);
1730 }
1731 }
1732
1733 return 0;
1734 }
1735
1736
1737 static LRESULT
1738 HEADER_LButtonUp (HEADER_INFO *infoPtr, INT x, INT y)
1739 {
1740 POINT pt;
1741 UINT flags;
1742 INT nItem;
1743 HDC hdc;
1744
1745 pt.x = x;
1746 pt.y = y;
1747 HEADER_InternalHitTest (infoPtr, &pt, &flags, &nItem);
1748
1749 if (infoPtr->bPressed) {
1750
1751 infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
1752
1753 if (infoPtr->bDragging)
1754 {
1755 HEADER_ITEM *lpItem = &infoPtr->items[infoPtr->iMoveItem];
1756 INT iNewOrder;
1757
1758 ImageList_DragShowNolock(FALSE);
1759 ImageList_EndDrag();
1760
1761 if (infoPtr->iHotDivider == -1)
1762 iNewOrder = -1;
1763 else if (infoPtr->iHotDivider == infoPtr->uNumItem)
1764 iNewOrder = infoPtr->uNumItem-1;
1765 else
1766 {
1767 iNewOrder = HEADER_IndexToOrder(infoPtr, infoPtr->iHotDivider);
1768 if (iNewOrder > lpItem->iOrder)
1769 iNewOrder--;
1770 }
1771
1772 if (iNewOrder != -1 &&
1773 !HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ENDDRAG, infoPtr->iMoveItem, HDI_ORDER, iNewOrder))
1774 {
1775 HEADER_ChangeItemOrder(infoPtr, infoPtr->iMoveItem, iNewOrder);
1776 infoPtr->bRectsValid = FALSE;
1777 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1778 }
1779 else
1780 InvalidateRect(infoPtr->hwndSelf, &infoPtr->items[infoPtr->iMoveItem].rect, FALSE);
1781
1782 infoPtr->bDragging = FALSE;
1783 HEADER_SetHotDivider(infoPtr, FALSE, -1);
1784 }
1785 else
1786 {
1787 hdc = GetDC (infoPtr->hwndSelf);
1788 HEADER_RefreshItem (infoPtr, infoPtr->iMoveItem);
1789 ReleaseDC (infoPtr->hwndSelf, hdc);
1790
1791 if (!(infoPtr->dwStyle & HDS_DRAGDROP) || !HEADER_IsDragDistance(infoPtr, &pt))
1792 HEADER_SendNotifyWithHDItemT(infoPtr, HDN_ITEMCLICKW, infoPtr->iMoveItem, NULL);
1793 }
1794
1795 TRACE("Released item %d.\n", infoPtr->iMoveItem);
1796 infoPtr->bPressed = FALSE;
1797 }
1798 else if (infoPtr->bTracking) {
1799 INT iNewWidth = pt.x - infoPtr->items[infoPtr->iMoveItem].rect.left + infoPtr->xTrackOffset;
1800 if (iNewWidth < 0)
1801 iNewWidth = 0;
1802 TRACE("End tracking item %d.\n", infoPtr->iMoveItem);
1803 infoPtr->bTracking = FALSE;
1804
1805 HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ENDTRACKW, infoPtr->iMoveItem, HDI_WIDTH, iNewWidth);
1806
1807 if (!(infoPtr->dwStyle & HDS_FULLDRAG)) {
1808 hdc = GetDC (infoPtr->hwndSelf);
1809 HEADER_DrawTrackLine (infoPtr, hdc, infoPtr->xOldTrack);
1810 ReleaseDC (infoPtr->hwndSelf, hdc);
1811 }
1812
1813 if (!HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ITEMCHANGINGW, infoPtr->iMoveItem, HDI_WIDTH, iNewWidth))
1814 {
1815 infoPtr->items[infoPtr->iMoveItem].cxy = iNewWidth;
1816 HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ITEMCHANGEDW, infoPtr->iMoveItem, HDI_WIDTH, iNewWidth);
1817 }
1818
1819 HEADER_SetItemBounds (infoPtr);
1820 InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
1821 }
1822
1823 if (infoPtr->bCaptured) {
1824 infoPtr->bCaptured = FALSE;
1825 ReleaseCapture ();
1826 HEADER_SendSimpleNotify (infoPtr, NM_RELEASEDCAPTURE);
1827 }
1828
1829 return 0;
1830 }
1831
1832
1833 static LRESULT
1834 HEADER_NotifyFormat (HEADER_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
1835 {
1836 switch (lParam)
1837 {
1838 case NF_QUERY:
1839 return infoPtr->nNotifyFormat;
1840
1841 case NF_REQUERY:
1842 infoPtr->nNotifyFormat =
1843 SendMessageW ((HWND)wParam, WM_NOTIFYFORMAT,
1844 (WPARAM)infoPtr->hwndSelf, NF_QUERY);
1845 return infoPtr->nNotifyFormat;
1846 }
1847
1848 return 0;
1849 }
1850
1851 static LRESULT
1852 HEADER_MouseLeave (HEADER_INFO *infoPtr)
1853 {
1854 /* Reset hot-tracked item when mouse leaves control. */
1855 INT oldHotItem = infoPtr->iHotItem;
1856 HDC hdc = GetDC (infoPtr->hwndSelf);
1857
1858 infoPtr->iHotItem = -1;
1859 if (oldHotItem != -1) HEADER_RefreshItem (infoPtr, oldHotItem);
1860 ReleaseDC (infoPtr->hwndSelf, hdc);
1861
1862 return 0;
1863 }
1864
1865
1866 static LRESULT
1867 HEADER_MouseMove (HEADER_INFO *infoPtr, LPARAM lParam)
1868 {
1869 POINT pt;
1870 UINT flags;
1871 INT nItem, nWidth;
1872 HDC hdc;
1873 /* With theming, hottracking is always enabled */
1874 BOOL hotTrackEnabled =
1875 ((infoPtr->dwStyle & HDS_BUTTONS) && (infoPtr->dwStyle & HDS_HOTTRACK))
1876 || (GetWindowTheme (infoPtr->hwndSelf) != NULL);
1877 INT oldHotItem = infoPtr->iHotItem;
1878
1879 pt.x = (INT)(SHORT)LOWORD(lParam);
1880 pt.y = (INT)(SHORT)HIWORD(lParam);
1881 HEADER_InternalHitTest (infoPtr, &pt, &flags, &nItem);
1882
1883 if (hotTrackEnabled) {
1884 if (flags & (HHT_ONHEADER | HHT_ONDIVIDER | HHT_ONDIVOPEN))
1885 infoPtr->iHotItem = nItem;
1886 else
1887 infoPtr->iHotItem = -1;
1888 }
1889
1890 if (infoPtr->bCaptured) {
1891 /* check if we should drag the header */
1892 if (infoPtr->bPressed && !infoPtr->bDragging && (infoPtr->dwStyle & HDS_DRAGDROP)
1893 && HEADER_IsDragDistance(infoPtr, &pt))
1894 {
1895 if (!HEADER_SendNotifyWithHDItemT(infoPtr, HDN_BEGINDRAG, infoPtr->iMoveItem, NULL))
1896 {
1897 HIMAGELIST hDragItem = HEADER_CreateDragImage(infoPtr, infoPtr->iMoveItem);
1898 if (hDragItem != NULL)
1899 {
1900 HEADER_ITEM *lpItem = &infoPtr->items[infoPtr->iMoveItem];
1901 TRACE("Starting item drag\n");
1902 ImageList_BeginDrag(hDragItem, 0, pt.x - lpItem->rect.left, 0);
1903 ImageList_DragShowNolock(TRUE);
1904 ImageList_Destroy(hDragItem);
1905 infoPtr->bDragging = TRUE;
1906 }
1907 }
1908 }
1909
1910 if (infoPtr->bDragging)
1911 {
1912 POINT drag;
1913 drag.x = pt.x;
1914 drag.y = 0;
1915 ClientToScreen(infoPtr->hwndSelf, &drag);
1916 ImageList_DragMove(drag.x, drag.y);
1917 HEADER_SetHotDivider(infoPtr, TRUE, lParam);
1918 }
1919
1920 if (infoPtr->bPressed && !infoPtr->bDragging) {
1921 BOOL oldState = infoPtr->items[infoPtr->iMoveItem].bDown;
1922 if ((nItem == infoPtr->iMoveItem) && (flags == HHT_ONHEADER))
1923 infoPtr->items[infoPtr->iMoveItem].bDown = TRUE;
1924 else
1925 infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
1926 if (oldState != infoPtr->items[infoPtr->iMoveItem].bDown) {
1927 hdc = GetDC (infoPtr->hwndSelf);
1928 HEADER_RefreshItem (infoPtr, infoPtr->iMoveItem);
1929 ReleaseDC (infoPtr->hwndSelf, hdc);
1930 }
1931
1932 TRACE("Moving pressed item %d.\n", infoPtr->iMoveItem);
1933 }
1934 else if (infoPtr->bTracking) {
1935 if (infoPtr->dwStyle & HDS_FULLDRAG) {
1936 HEADER_ITEM *lpItem = &infoPtr->items[infoPtr->iMoveItem];
1937 nWidth = pt.x - lpItem->rect.left + infoPtr->xTrackOffset;
1938 if (!HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ITEMCHANGINGW, infoPtr->iMoveItem, HDI_WIDTH, nWidth))
1939 {
1940 INT nOldWidth = lpItem->rect.right - lpItem->rect.left;
1941 RECT rcClient;
1942 RECT rcScroll;
1943
1944 if (nWidth < 0) nWidth = 0;
1945 infoPtr->items[infoPtr->iMoveItem].cxy = nWidth;
1946 HEADER_SetItemBounds(infoPtr);
1947
1948 GetClientRect(infoPtr->hwndSelf, &rcClient);
1949 rcScroll = rcClient;
1950 rcScroll.left = lpItem->rect.left + nOldWidth;
1951 ScrollWindowEx(infoPtr->hwndSelf, nWidth - nOldWidth, 0, &rcScroll, &rcClient, NULL, NULL, 0);
1952 InvalidateRect(infoPtr->hwndSelf, &lpItem->rect, FALSE);
1953 UpdateWindow(infoPtr->hwndSelf);
1954
1955 HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ITEMCHANGEDW, infoPtr->iMoveItem, HDI_WIDTH, nWidth);
1956 }
1957 }
1958 else {
1959 INT iTrackWidth;
1960 hdc = GetDC (infoPtr->hwndSelf);
1961 HEADER_DrawTrackLine (infoPtr, hdc, infoPtr->xOldTrack);
1962 infoPtr->xOldTrack = pt.x + infoPtr->xTrackOffset;
1963 if (infoPtr->xOldTrack < infoPtr->items[infoPtr->iMoveItem].rect.left)
1964 infoPtr->xOldTrack = infoPtr->items[infoPtr->iMoveItem].rect.left;
1965 HEADER_DrawTrackLine (infoPtr, hdc, infoPtr->xOldTrack);
1966 ReleaseDC (infoPtr->hwndSelf, hdc);
1967 iTrackWidth = infoPtr->xOldTrack - infoPtr->items[infoPtr->iMoveItem].rect.left;
1968 /* FIXME: should stop tracking if HDN_TRACK returns TRUE */
1969 HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_TRACKW, infoPtr->iMoveItem, HDI_WIDTH, iTrackWidth);
1970 }
1971
1972 TRACE("Tracking item %d.\n", infoPtr->iMoveItem);
1973 }
1974 }
1975
1976 if (hotTrackEnabled) {
1977 TRACKMOUSEEVENT tme;
1978 if (oldHotItem != infoPtr->iHotItem && !infoPtr->bDragging) {
1979 hdc = GetDC (infoPtr->hwndSelf);
1980 if (oldHotItem != -1) HEADER_RefreshItem (infoPtr, oldHotItem);
1981 if (infoPtr->iHotItem != -1) HEADER_RefreshItem (infoPtr, infoPtr->iHotItem);
1982 ReleaseDC (infoPtr->hwndSelf, hdc);
1983 }
1984 tme.cbSize = sizeof( tme );
1985 tme.dwFlags = TME_LEAVE;
1986 tme.hwndTrack = infoPtr->hwndSelf;
1987 TrackMouseEvent( &tme );
1988 }
1989
1990 return 0;
1991 }
1992
1993
1994 static LRESULT
1995 HEADER_Paint (HEADER_INFO *infoPtr, HDC hdcParam)
1996 {
1997 HDC hdc;
1998 PAINTSTRUCT ps;
1999
2000 hdc = hdcParam==0 ? BeginPaint (infoPtr->hwndSelf, &ps) : hdcParam;
2001 HEADER_Refresh (infoPtr, hdc);
2002 if(!hdcParam)
2003 EndPaint (infoPtr->hwndSelf, &ps);
2004 return 0;
2005 }
2006
2007
2008 static LRESULT
2009 HEADER_RButtonUp (HEADER_INFO *infoPtr, INT x, INT y)
2010 {
2011 BOOL bRet;
2012 POINT pt;
2013
2014 pt.x = x;
2015 pt.y = y;
2016
2017 /* Send a Notify message */
2018 bRet = HEADER_SendSimpleNotify (infoPtr, NM_RCLICK);
2019
2020 /* Change to screen coordinate for WM_CONTEXTMENU */
2021 ClientToScreen(infoPtr->hwndSelf, &pt);
2022
2023 /* Send a WM_CONTEXTMENU message in response to the RBUTTONUP */
2024 SendMessageW( infoPtr->hwndSelf, WM_CONTEXTMENU, (WPARAM) infoPtr->hwndSelf, MAKELPARAM(pt.x, pt.y));
2025
2026 return bRet;
2027 }
2028
2029
2030 static LRESULT
2031 HEADER_SetCursor (HEADER_INFO *infoPtr, LPARAM lParam)
2032 {
2033 POINT pt;
2034 UINT flags;
2035 INT nItem;
2036
2037 TRACE("code=0x%X id=0x%X\n", LOWORD(lParam), HIWORD(lParam));
2038
2039 GetCursorPos (&pt);
2040 ScreenToClient (infoPtr->hwndSelf, &pt);
2041
2042 HEADER_InternalHitTest (infoPtr, &pt, &flags, &nItem);
2043
2044 if (flags == HHT_ONDIVIDER)
2045 SetCursor (infoPtr->hcurDivider);
2046 else if (flags == HHT_ONDIVOPEN)
2047 SetCursor (infoPtr->hcurDivopen);
2048 else
2049 SetCursor (infoPtr->hcurArrow);
2050
2051 return 0;
2052 }
2053
2054
2055 static LRESULT
2056 HEADER_SetFont (HEADER_INFO *infoPtr, HFONT hFont, WORD Redraw)
2057 {
2058 TEXTMETRICW tm;
2059 HFONT hOldFont;
2060 HDC hdc;
2061
2062 infoPtr->hFont = hFont;
2063
2064 hdc = GetDC (0);
2065 hOldFont = SelectObject (hdc, infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT));
2066 GetTextMetricsW (hdc, &tm);
2067 infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
2068 SelectObject (hdc, hOldFont);
2069 ReleaseDC (0, hdc);
2070
2071 infoPtr->bRectsValid = FALSE;
2072
2073 if (Redraw) {
2074 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
2075 }
2076
2077 return 0;
2078 }
2079
2080 static LRESULT HEADER_SetRedraw(HEADER_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
2081 {
2082 /* ignoring the InvalidateRect calls is handled by user32. But some apps expect
2083 * that we invalidate the header and this has to be done manually */
2084 LRESULT ret;
2085
2086 ret = DefWindowProcW(infoPtr->hwndSelf, WM_SETREDRAW, wParam, lParam);
2087 if (wParam)
2088 InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
2089 return ret;
2090 }
2091
2092 static INT HEADER_StyleChanged(HEADER_INFO *infoPtr, WPARAM wStyleType,
2093 const STYLESTRUCT *lpss)
2094 {
2095 TRACE("styletype %Ix, styleOld %#lx, styleNew %#lx\n", wStyleType, lpss->styleOld, lpss->styleNew);
2096
2097 if (wStyleType != GWL_STYLE) return 0;
2098
2099 infoPtr->dwStyle = lpss->styleNew;
2100
2101 return 0;
2102 }
2103
2104 /* Update the theme handle after a theme change */
2105 static LRESULT HEADER_ThemeChanged(const HEADER_INFO *infoPtr)
2106 {
2107 HTHEME theme = GetWindowTheme(infoPtr->hwndSelf);
2108 CloseThemeData(theme);
2109 OpenThemeData(infoPtr->hwndSelf, themeClass);
2110 InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
2111 return 0;
2112 }
2113
2114 static INT HEADER_SetFilterChangeTimeout(HEADER_INFO *infoPtr, INT timeout)
2115 {
2116 INT old_timeout = infoPtr->filter_change_timeout;
2117
2118 if (timeout != 0)
2119 infoPtr->filter_change_timeout = timeout;
2120 return old_timeout;
2121 }
2122
2123 static LRESULT WINAPI
2124 HEADER_WindowProc (HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
2125 {
2126 HEADER_INFO *infoPtr = (HEADER_INFO *)GetWindowLongPtrW(hwnd, 0);
2127
2128 TRACE("hwnd %p, msg %x, wparam %Ix, lParam %Ix\n", hwnd, msg, wParam, lParam);
2129
2130 if (!infoPtr && (msg != WM_CREATE))
2131 return DefWindowProcW (hwnd, msg, wParam, lParam);
2132 switch (msg) {
2133 /* case HDM_CLEARFILTER: */
2134
2135 case HDM_CREATEDRAGIMAGE:
2136 return (LRESULT)HEADER_CreateDragImage (infoPtr, (INT)wParam);
2137
2138 case HDM_DELETEITEM:
2139 return HEADER_DeleteItem (infoPtr, (INT)wParam);
2140
2141 /* case HDM_EDITFILTER: */
2142
2143 case HDM_GETBITMAPMARGIN:
2144 return HEADER_GetBitmapMargin(infoPtr);
2145
2146 case HDM_GETIMAGELIST:
2147 return HEADER_GetImageList (infoPtr);
2148
2149 case HDM_GETITEMA:
2150 case HDM_GETITEMW:
2151 return HEADER_GetItemT (infoPtr, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_GETITEMW);
2152
2153 case HDM_GETITEMCOUNT:
2154 return HEADER_GetItemCount (infoPtr);
2155
2156 case HDM_GETITEMRECT:
2157 return HEADER_GetItemRect (infoPtr, (INT)wParam, (LPRECT)lParam);
2158
2159 case HDM_GETORDERARRAY:
2160 return HEADER_GetOrderArray(infoPtr, (INT)wParam, (LPINT)lParam);
2161
2162 case HDM_GETUNICODEFORMAT:
2163 return HEADER_GetUnicodeFormat (infoPtr);
2164
2165 case HDM_HITTEST:
2166 return HEADER_HitTest (infoPtr, (LPHDHITTESTINFO)lParam);
2167
2168 case HDM_INSERTITEMA:
2169 case HDM_INSERTITEMW:
2170 return HEADER_InsertItemT (infoPtr, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_INSERTITEMW);
2171
2172 case HDM_LAYOUT:
2173 return HEADER_Layout (infoPtr, (LPHDLAYOUT)lParam);
2174
2175 case HDM_ORDERTOINDEX:
2176 return HEADER_OrderToIndex(infoPtr, (INT)wParam);
2177
2178 case HDM_SETBITMAPMARGIN:
2179 return HEADER_SetBitmapMargin(infoPtr, (INT)wParam);
2180
2181 case HDM_SETFILTERCHANGETIMEOUT:
2182 return HEADER_SetFilterChangeTimeout(infoPtr, (INT)lParam);
2183
2184 case HDM_SETHOTDIVIDER:
2185 return HEADER_SetHotDivider(infoPtr, wParam, lParam);
2186
2187 case HDM_SETIMAGELIST:
2188 return HEADER_SetImageList (infoPtr, (HIMAGELIST)lParam);
2189
2190 case HDM_SETITEMA:
2191 case HDM_SETITEMW:
2192 return HEADER_SetItemT (infoPtr, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_SETITEMW);
2193
2194 case HDM_SETORDERARRAY:
2195 return HEADER_SetOrderArray(infoPtr, (INT)wParam, (LPINT)lParam);
2196
2197 case HDM_SETUNICODEFORMAT:
2198 return HEADER_SetUnicodeFormat (infoPtr, wParam);
2199
2200 case WM_CREATE:
2201 return HEADER_Create (hwnd, (LPCREATESTRUCTW)lParam);
2202
2203 case WM_DESTROY:
2204 return HEADER_Destroy (infoPtr);
2205
2206 case WM_NCDESTROY:
2207 return HEADER_NCDestroy (infoPtr);
2208
2209 case WM_ERASEBKGND:
2210 return 1;
2211
2212 case WM_GETDLGCODE:
2213 return DLGC_WANTTAB | DLGC_WANTARROWS;
2214
2215 case WM_GETFONT:
2216 return HEADER_GetFont (infoPtr);
2217
2218 case WM_LBUTTONDBLCLK:
2219 return HEADER_LButtonDblClk (infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam));
2220
2221 case WM_LBUTTONDOWN:
2222 return HEADER_LButtonDown (infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam));
2223
2224 case WM_LBUTTONUP:
2225 return HEADER_LButtonUp (infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam));
2226
2227 case WM_MOUSELEAVE:
2228 return HEADER_MouseLeave (infoPtr);
2229
2230 case WM_MOUSEMOVE:
2231 return HEADER_MouseMove (infoPtr, lParam);
2232
2233 case WM_NOTIFYFORMAT:
2234 return HEADER_NotifyFormat (infoPtr, wParam, lParam);
2235
2236 case WM_SIZE:
2237 return HEADER_Size (infoPtr);
2238
2239 case WM_THEMECHANGED:
2240 return HEADER_ThemeChanged (infoPtr);
2241
2242 case WM_PRINTCLIENT:
2243 case WM_PAINT:
2244 return HEADER_Paint (infoPtr, (HDC)wParam);
2245
2246 case WM_RBUTTONUP:
2247 return HEADER_RButtonUp (infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam));
2248
2249 case WM_SETCURSOR:
2250 return HEADER_SetCursor (infoPtr, lParam);
2251
2252 case WM_SETFONT:
2253 return HEADER_SetFont (infoPtr, (HFONT)wParam, (WORD)lParam);
2254
2255 case WM_SETREDRAW:
2256 return HEADER_SetRedraw(infoPtr, wParam, lParam);
2257
2258 case WM_STYLECHANGED:
2259 return HEADER_StyleChanged(infoPtr, wParam, (LPSTYLESTRUCT)lParam);
2260
2261 case WM_SYSCOLORCHANGE:
2262 COMCTL32_RefreshSysColors();
2263 return 0;
2264
2265 default:
2266 if ((msg >= WM_USER) && (msg < WM_APP) && !COMCTL32_IsReflectedMessage(msg))
2267 ERR("unknown msg %04x, wp %#Ix, lp %#Ix\n", msg, wParam, lParam );
2268 return DefWindowProcW(hwnd, msg, wParam, lParam);
2269 }
2270 }
2271
2272
2273 VOID
2274 HEADER_Register (void)
2275 {
2276 WNDCLASSW wndClass;
2277
2278 ZeroMemory (&wndClass, sizeof(WNDCLASSW));
2279 wndClass.style = CS_GLOBALCLASS | CS_DBLCLKS;
2280 wndClass.lpfnWndProc = HEADER_WindowProc;
2281 wndClass.cbClsExtra = 0;
2282 wndClass.cbWndExtra = sizeof(HEADER_INFO *);
2283 wndClass.hCursor = LoadCursorW (0, (LPWSTR)IDC_ARROW);
2284 wndClass.lpszClassName = WC_HEADERW;
2285
2286 RegisterClassW (&wndClass);
2287 }
2288
2289
2290 VOID
2291 HEADER_Unregister (void)
2292 {
2293 UnregisterClassW (WC_HEADERW, NULL);
2294 }
Windows API implementation