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d3d10core: Implement d3d10_shader_resource_view_SetPrivateDataInterface().
[wine/multimedia.git] / dlls / comctl32 / header.c
blob59f2c1249b26ddae8da16e129711138596654784
1 /*
2 * Header control
3 *
4 * Copyright 1998 Eric Kohl
5 * Copyright 2000 Eric Kohl for CodeWeavers
6 * Copyright 2003 Maxime Bellenge
7 * Copyright 2006 Mikolaj Zalewski
8 *
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
13 *
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
18 *
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22 *
23 * TODO:
24 * - Imagelist support (completed?)
25 * - Hottrack support (completed?)
26 * - Filters support (HDS_FILTER, HDI_FILTER, HDM_*FILTER*, HDN_*FILTER*)
27 * - New Windows Vista features
28 */
29
30 #include <stdarg.h>
31 #include <stdlib.h>
32 #include <string.h>
33
34 #include "windef.h"
35 #include "winbase.h"
36 #include "wine/unicode.h"
37 #include "wingdi.h"
38 #include "winuser.h"
39 #include "winnls.h"
40 #include "commctrl.h"
41 #include "comctl32.h"
42 #include "vssym32.h"
43 #include "uxtheme.h"
44 #include "wine/debug.h"
45
46 WINE_DEFAULT_DEBUG_CHANNEL(header);
47
48 typedef struct
49 {
50 INT cxy;
51 HBITMAP hbm;
52 LPWSTR pszText;
53 INT fmt;
54 LPARAM lParam;
55 INT iImage;
56 INT iOrder; /* see documentation of HD_ITEM */
57
58 BOOL bDown; /* is item pressed? (used for drawing) */
59 RECT rect; /* bounding rectangle of the item */
60 DWORD callbackMask; /* HDI_* flags for items that are callback */
61 } HEADER_ITEM;
62
63
64 typedef struct
65 {
66 HWND hwndSelf; /* Control window */
67 HWND hwndNotify; /* Owner window to send notifications to */
68 INT nNotifyFormat; /* format used for WM_NOTIFY messages */
69 UINT uNumItem; /* number of items (columns) */
70 INT nHeight; /* height of the header (pixels) */
71 HFONT hFont; /* handle to the current font */
72 HCURSOR hcurArrow; /* handle to the arrow cursor */
73 HCURSOR hcurDivider; /* handle to a cursor (used over dividers) <-|-> */
74 HCURSOR hcurDivopen; /* handle to a cursor (used over dividers) <-||-> */
75 BOOL bCaptured; /* Is the mouse captured? */
76 BOOL bPressed; /* Is a header item pressed (down)? */
77 BOOL bDragging; /* Are we dragging an item? */
78 BOOL bTracking; /* Is in tracking mode? */
79 POINT ptLButtonDown; /* The point where the left button was pressed */
80 DWORD dwStyle; /* the cached window GWL_STYLE */
81 INT iMoveItem; /* index of tracked item. (Tracking mode) */
82 INT xTrackOffset; /* distance between the right side of the tracked item and the cursor */
83 INT xOldTrack; /* track offset (see above) after the last WM_MOUSEMOVE */
84 INT iHotItem; /* index of hot item (cursor is over this item) */
85 INT iHotDivider; /* index of the hot divider (used while dragging an item or by HDM_SETHOTDIVIDER) */
86 INT iMargin; /* width of the margin that surrounds a bitmap */
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[] = {'H','e','a','d','e','r',0};
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 static const WCHAR emptyString[] = {0};
149
150 LPCWSTR pszText = (phdi->pszText != NULL ? phdi->pszText : emptyString);
151 if (fUnicode)
152 Str_SetPtrW(&lpItem->pszText, pszText);
153 else
154 Str_SetPtrAtoW(&lpItem->pszText, (LPCSTR)pszText);
155 lpItem->callbackMask &= ~HDI_TEXT;
156 }
157 else
158 {
159 lpItem->pszText = NULL;
160 lpItem->callbackMask |= HDI_TEXT;
161 }
162 }
163 }
164
165 static inline LRESULT
166 HEADER_IndexToOrder (const HEADER_INFO *infoPtr, INT iItem)
167 {
168 HEADER_ITEM *lpItem = &infoPtr->items[iItem];
169 return lpItem->iOrder;
170 }
171
172
173 static INT
174 HEADER_OrderToIndex(const HEADER_INFO *infoPtr, INT iorder)
175 {
176 if ((iorder <0) || iorder >= infoPtr->uNumItem)
177 return iorder;
178 return infoPtr->order[iorder];
179 }
180
181 static void
182 HEADER_ChangeItemOrder(const HEADER_INFO *infoPtr, INT iItem, INT iNewOrder)
183 {
184 HEADER_ITEM *lpItem = &infoPtr->items[iItem];
185 INT i, nMin, nMax;
186
187 TRACE("%d: %d->%d\n", iItem, lpItem->iOrder, iNewOrder);
188 if (lpItem->iOrder < iNewOrder)
189 {
190 memmove(&infoPtr->order[lpItem->iOrder],
191 &infoPtr->order[lpItem->iOrder + 1],
192 (iNewOrder - lpItem->iOrder) * sizeof(INT));
193 }
194 if (iNewOrder < lpItem->iOrder)
195 {
196 memmove(&infoPtr->order[iNewOrder + 1],
197 &infoPtr->order[iNewOrder],
198 (lpItem->iOrder - iNewOrder) * sizeof(INT));
199 }
200 infoPtr->order[iNewOrder] = iItem;
201 nMin = min(lpItem->iOrder, iNewOrder);
202 nMax = max(lpItem->iOrder, iNewOrder);
203 for (i = nMin; i <= nMax; i++)
204 infoPtr->items[infoPtr->order[i]].iOrder = i;
205 }
206
207 /* Note: if iItem is the last item then this function returns infoPtr->uNumItem */
208 static INT
209 HEADER_NextItem(const HEADER_INFO *infoPtr, INT iItem)
210 {
211 return HEADER_OrderToIndex(infoPtr, HEADER_IndexToOrder(infoPtr, iItem)+1);
212 }
213
214 static INT
215 HEADER_PrevItem(const HEADER_INFO *infoPtr, INT iItem)
216 {
217 return HEADER_OrderToIndex(infoPtr, HEADER_IndexToOrder(infoPtr, iItem)-1);
218 }
219
220 /* TRUE when item is not resizable with dividers,
221 note that valid index should be supplied */
222 static inline BOOL
223 HEADER_IsItemFixed(const HEADER_INFO *infoPtr, INT iItem)
224 {
225 return (infoPtr->dwStyle & HDS_NOSIZING) || (infoPtr->items[iItem].fmt & HDF_FIXEDWIDTH);
226 }
227
228 static void
229 HEADER_SetItemBounds (HEADER_INFO *infoPtr)
230 {
231 HEADER_ITEM *phdi;
232 RECT rect;
233 unsigned int i;
234 int x;
235
236 infoPtr->bRectsValid = TRUE;
237
238 if (infoPtr->uNumItem == 0)
239 return;
240
241 GetClientRect (infoPtr->hwndSelf, &rect);
242
243 x = rect.left;
244 for (i = 0; i < infoPtr->uNumItem; i++) {
245 phdi = &infoPtr->items[HEADER_OrderToIndex(infoPtr,i)];
246 phdi->rect.top = rect.top;
247 phdi->rect.bottom = rect.bottom;
248 phdi->rect.left = x;
249 phdi->rect.right = phdi->rect.left + ((phdi->cxy>0)?phdi->cxy:0);
250 x = phdi->rect.right;
251 }
252 }
253
254 static LRESULT
255 HEADER_Size (HEADER_INFO *infoPtr)
256 {
257 HEADER_SetItemBounds(infoPtr);
258 return 0;
259 }
260
261 static void HEADER_GetHotDividerRect(const HEADER_INFO *infoPtr, RECT *r)
262 {
263 INT iDivider = infoPtr->iHotDivider;
264 if (infoPtr->uNumItem > 0)
265 {
266 HEADER_ITEM *lpItem;
267
268 if (iDivider < infoPtr->uNumItem)
269 {
270 lpItem = &infoPtr->items[iDivider];
271 r->left = lpItem->rect.left - HOT_DIVIDER_WIDTH/2;
272 r->right = lpItem->rect.left + HOT_DIVIDER_WIDTH/2;
273 }
274 else
275 {
276 lpItem = &infoPtr->items[HEADER_OrderToIndex(infoPtr, infoPtr->uNumItem-1)];
277 r->left = lpItem->rect.right - HOT_DIVIDER_WIDTH/2;
278 r->right = lpItem->rect.right + HOT_DIVIDER_WIDTH/2;
279 }
280 r->top = lpItem->rect.top;
281 r->bottom = lpItem->rect.bottom;
282 }
283 else
284 {
285 RECT clientRect;
286 GetClientRect(infoPtr->hwndSelf, &clientRect);
287 *r = clientRect;
288 r->right = r->left + HOT_DIVIDER_WIDTH/2;
289 }
290 }
291
292 static void
293 HEADER_FillItemFrame(HEADER_INFO *infoPtr, HDC hdc, RECT *r, const HEADER_ITEM *item, BOOL hottrack)
294 {
295 HTHEME theme = GetWindowTheme (infoPtr->hwndSelf);
296
297 if (theme) {
298 int state = (item->bDown) ? HIS_PRESSED : (hottrack ? HIS_HOT : HIS_NORMAL);
299 DrawThemeBackground (theme, hdc, HP_HEADERITEM, state, r, NULL);
300 GetThemeBackgroundContentRect (theme, hdc, HP_HEADERITEM, state, r, r);
301 }
302 else
303 {
304 HBRUSH hbr = CreateSolidBrush(GetBkColor(hdc));
305 FillRect(hdc, r, hbr);
306 DeleteObject(hbr);
307 }
308 }
309
310 static void
311 HEADER_DrawItemFrame(HEADER_INFO *infoPtr, HDC hdc, RECT *r, const HEADER_ITEM *item)
312 {
313 if (GetWindowTheme(infoPtr->hwndSelf)) return;
314
315 if (!(infoPtr->dwStyle & HDS_FLAT))
316 {
317 if (infoPtr->dwStyle & HDS_BUTTONS) {
318 if (item->bDown)
319 DrawEdge (hdc, r, BDR_RAISEDOUTER, BF_RECT | BF_FLAT | BF_ADJUST);
320 else
321 DrawEdge (hdc, r, EDGE_RAISED, BF_RECT | BF_SOFT | BF_ADJUST);
322 }
323 else
324 DrawEdge (hdc, r, EDGE_ETCHED, BF_BOTTOM | BF_RIGHT | BF_ADJUST);
325 }
326 }
327
328 static INT
329 HEADER_DrawItem (HEADER_INFO *infoPtr, HDC hdc, INT iItem, BOOL bHotTrack, LRESULT lCDFlags)
330 {
331 HEADER_ITEM *phdi = &infoPtr->items[iItem];
332 RECT r;
333 INT oldBkMode;
334 HTHEME theme = GetWindowTheme (infoPtr->hwndSelf);
335 NMCUSTOMDRAW nmcd;
336
337 TRACE("DrawItem(iItem %d bHotTrack %d unicode flag %d)\n", iItem, bHotTrack, (infoPtr->nNotifyFormat == NFR_UNICODE));
338
339 r = phdi->rect;
340 if (r.right - r.left == 0)
341 return phdi->rect.right;
342
343 /* Set the colors before sending NM_CUSTOMDRAW so that it can change them */
344 SetTextColor(hdc, (bHotTrack && !theme) ? COLOR_HIGHLIGHT : COLOR_BTNTEXT);
345 SetBkColor(hdc, comctl32_color.clr3dFace);
346
347 if (lCDFlags & CDRF_NOTIFYITEMDRAW && !(phdi->fmt & HDF_OWNERDRAW))
348 {
349 LRESULT lCDItemFlags;
350
351 nmcd.dwDrawStage = CDDS_PREPAINT | CDDS_ITEM;
352 nmcd.hdc = hdc;
353 nmcd.dwItemSpec = iItem;
354 nmcd.rc = r;
355 nmcd.uItemState = phdi->bDown ? CDIS_SELECTED : 0;
356 nmcd.lItemlParam = phdi->lParam;
357
358 lCDItemFlags = HEADER_SendNotify(infoPtr, NM_CUSTOMDRAW, (NMHDR *)&nmcd);
359 if (lCDItemFlags & CDRF_SKIPDEFAULT)
360 return phdi->rect.right;
361 }
362
363 /* Fill background, owner could draw over it. */
364 HEADER_FillItemFrame(infoPtr, hdc, &r, phdi, bHotTrack);
365
366 if (phdi->fmt & HDF_OWNERDRAW)
367 {
368 DRAWITEMSTRUCT dis;
369 BOOL ret;
370
371 dis.CtlType = ODT_HEADER;
372 dis.CtlID = GetWindowLongPtrW (infoPtr->hwndSelf, GWLP_ID);
373 dis.itemID = iItem;
374 dis.itemAction = ODA_DRAWENTIRE;
375 dis.itemState = phdi->bDown ? ODS_SELECTED : 0;
376 dis.hwndItem = infoPtr->hwndSelf;
377 dis.hDC = hdc;
378 dis.rcItem = phdi->rect;
379 dis.itemData = phdi->lParam;
380 oldBkMode = SetBkMode(hdc, TRANSPARENT);
381 ret = SendMessageW (infoPtr->hwndNotify, WM_DRAWITEM, dis.CtlID, (LPARAM)&dis);
382 if (oldBkMode != TRANSPARENT)
383 SetBkMode(hdc, oldBkMode);
384
385 if (!ret)
386 HEADER_FillItemFrame(infoPtr, hdc, &r, phdi, bHotTrack);
387
388 /* Edges are always drawn if we don't have attached theme. */
389 HEADER_DrawItemFrame(infoPtr, hdc, &r, phdi);
390 /* If application processed WM_DRAWITEM we should skip label painting,
391 edges are drawn no matter what. */
392 if (ret) return phdi->rect.right;
393 }
394 else
395 HEADER_DrawItemFrame(infoPtr, hdc, &r, phdi);
396
397 if (phdi->bDown) {
398 r.left += 2;
399 r.top += 2;
400 }
401
402 /* Now text and image */
403 {
404 UINT rw, rh, /* width and height of r */
405 *x = NULL, *w = NULL; /* x and width of the pic (bmp or img) which is part of cnt */
406 /* cnt,txt,img,bmp */
407 UINT cx, tx, ix, bx,
408 cw, tw, iw, bw;
409 INT img_cx, img_cy;
410 BITMAP bmp;
411
412 HEADER_PrepareCallbackItems(infoPtr, iItem, HDI_TEXT|HDI_IMAGE);
413 cw = iw = bw = 0;
414 rw = r.right - r.left;
415 rh = r.bottom - r.top;
416
417 if (phdi->fmt & HDF_STRING) {
418 RECT textRect;
419
420 SetRectEmpty(&textRect);
421 DrawTextW (hdc, phdi->pszText, -1,
422 &textRect, DT_LEFT|DT_VCENTER|DT_SINGLELINE|DT_CALCRECT);
423 cw = textRect.right - textRect.left + 2 * infoPtr->iMargin;
424 }
425
426 if ((phdi->fmt & HDF_IMAGE) && ImageList_GetIconSize( infoPtr->himl, &img_cx, &img_cy )) {
427 iw = img_cx + 2 * infoPtr->iMargin;
428 x = &ix;
429 w = &iw;
430 }
431
432 if ((phdi->fmt & HDF_BITMAP) && (phdi->hbm)) {
433 GetObjectW (phdi->hbm, sizeof(BITMAP), &bmp);
434 bw = bmp.bmWidth + 2 * infoPtr->iMargin;
435 if (!iw) {
436 x = &bx;
437 w = &bw;
438 }
439 }
440
441 if (bw || iw)
442 cw += *w;
443
444 /* align cx using the unclipped cw */
445 if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_LEFT)
446 cx = r.left;
447 else if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_CENTER)
448 cx = r.left + rw / 2 - cw / 2;
449 else /* HDF_RIGHT */
450 cx = r.right - cw;
451
452 /* clip cx & cw */
453 if (cx < r.left)
454 cx = r.left;
455 if (cx + cw > r.right)
456 cw = r.right - cx;
457
458 tx = cx + infoPtr->iMargin;
459 /* since cw might have changed we have to recalculate tw */
460 tw = cw - infoPtr->iMargin * 2;
461
462 if (iw || bw) {
463 tw -= *w;
464 if (phdi->fmt & HDF_BITMAP_ON_RIGHT) {
465 /* put pic behind text */
466 *x = cx + tw + infoPtr->iMargin * 3;
467 } else {
468 *x = cx + infoPtr->iMargin;
469 /* move text behind pic */
470 tx += *w;
471 }
472 }
473
474 if (iw && bw) {
475 /* since we're done with the layout we can
476 now calculate the position of bmp which
477 has no influence on alignment and layout
478 because of img */
479 if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_RIGHT)
480 bx = cx - bw + infoPtr->iMargin;
481 else
482 bx = cx + cw + infoPtr->iMargin;
483 }
484
485 if (iw || bw) {
486 HDC hClipDC = GetDC(infoPtr->hwndSelf);
487 HRGN hClipRgn = CreateRectRgn(r.left, r.top, r.right, r.bottom);
488 SelectClipRgn(hClipDC, hClipRgn);
489
490 if (bw) {
491 HDC hdcBitmap = CreateCompatibleDC (hClipDC);
492 SelectObject (hdcBitmap, phdi->hbm);
493 BitBlt (hClipDC, bx, r.top + ((INT)rh - bmp.bmHeight) / 2,
494 bmp.bmWidth, bmp.bmHeight, hdcBitmap, 0, 0, SRCCOPY);
495 DeleteDC (hdcBitmap);
496 }
497
498 if (iw) {
499 ImageList_DrawEx (infoPtr->himl, phdi->iImage, hClipDC,
500 ix, r.top + ((INT)rh - img_cy) / 2,
501 img_cx, img_cy, CLR_DEFAULT, CLR_DEFAULT, 0);
502 }
503
504 DeleteObject(hClipRgn);
505 ReleaseDC(infoPtr->hwndSelf, hClipDC);
506 }
507
508 if (((phdi->fmt & HDF_STRING)
509 || (!(phdi->fmt & (HDF_OWNERDRAW|HDF_STRING|HDF_BITMAP|
510 HDF_BITMAP_ON_RIGHT|HDF_IMAGE)))) /* no explicit format specified? */
511 && (phdi->pszText)) {
512 oldBkMode = SetBkMode(hdc, TRANSPARENT);
513 r.left = tx;
514 r.right = tx + tw;
515 DrawTextW (hdc, phdi->pszText, -1,
516 &r, DT_LEFT|DT_END_ELLIPSIS|DT_VCENTER|DT_SINGLELINE);
517 if (oldBkMode != TRANSPARENT)
518 SetBkMode(hdc, oldBkMode);
519 }
520 HEADER_FreeCallbackItems(phdi);
521 }
522
523 return phdi->rect.right;
524 }
525
526 static void
527 HEADER_DrawHotDivider(const HEADER_INFO *infoPtr, HDC hdc)
528 {
529 HBRUSH brush;
530 RECT r;
531
532 HEADER_GetHotDividerRect(infoPtr, &r);
533 brush = CreateSolidBrush(comctl32_color.clrHighlight);
534 FillRect(hdc, &r, brush);
535 DeleteObject(brush);
536 }
537
538 static void
539 HEADER_Refresh (HEADER_INFO *infoPtr, HDC hdc)
540 {
541 HFONT hFont, hOldFont;
542 RECT rect, rcRest;
543 HBRUSH hbrBk;
544 UINT i;
545 INT x;
546 LRESULT lCDFlags;
547 HTHEME theme = GetWindowTheme (infoPtr->hwndSelf);
548
549 if (!infoPtr->bRectsValid)
550 HEADER_SetItemBounds(infoPtr);
551
552 /* get rect for the bar, adjusted for the border */
553 GetClientRect (infoPtr->hwndSelf, &rect);
554 lCDFlags = HEADER_SendCtrlCustomDraw(infoPtr, CDDS_PREPAINT, hdc, &rect);
555
556 if (infoPtr->bDragging)
557 ImageList_DragShowNolock(FALSE);
558
559 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT);
560 hOldFont = SelectObject (hdc, hFont);
561
562 /* draw Background */
563 if (infoPtr->uNumItem == 0 && theme == NULL) {
564 hbrBk = GetSysColorBrush(COLOR_3DFACE);
565 FillRect(hdc, &rect, hbrBk);
566 }
567
568 x = rect.left;
569 for (i = 0; x <= rect.right && i < infoPtr->uNumItem; i++) {
570 int idx = HEADER_OrderToIndex(infoPtr,i);
571 if (RectVisible(hdc, &infoPtr->items[idx].rect))
572 HEADER_DrawItem(infoPtr, hdc, idx, infoPtr->iHotItem == idx, lCDFlags);
573 x = infoPtr->items[idx].rect.right;
574 }
575
576 rcRest = rect;
577 rcRest.left = x;
578 if ((x <= rect.right) && RectVisible(hdc, &rcRest) && (infoPtr->uNumItem > 0)) {
579 if (theme != NULL) {
580 DrawThemeBackground(theme, hdc, HP_HEADERITEM, HIS_NORMAL, &rcRest, NULL);
581 }
582 else if (infoPtr->dwStyle & HDS_FLAT) {
583 hbrBk = GetSysColorBrush(COLOR_3DFACE);
584 FillRect(hdc, &rcRest, hbrBk);
585 }
586 else
587 {
588 if (infoPtr->dwStyle & HDS_BUTTONS)
589 DrawEdge (hdc, &rcRest, EDGE_RAISED, BF_TOP|BF_LEFT|BF_BOTTOM|BF_SOFT|BF_MIDDLE);
590 else
591 DrawEdge (hdc, &rcRest, EDGE_ETCHED, BF_BOTTOM|BF_MIDDLE);
592 }
593 }
594
595 if (infoPtr->iHotDivider != -1)
596 HEADER_DrawHotDivider(infoPtr, hdc);
597
598 if (infoPtr->bDragging)
599 ImageList_DragShowNolock(TRUE);
600 SelectObject (hdc, hOldFont);
601
602 if (lCDFlags & CDRF_NOTIFYPOSTPAINT)
603 HEADER_SendCtrlCustomDraw(infoPtr, CDDS_POSTPAINT, hdc, &rect);
604 }
605
606
607 static void
608 HEADER_RefreshItem (HEADER_INFO *infoPtr, INT iItem)
609 {
610 if (!infoPtr->bRectsValid)
611 HEADER_SetItemBounds(infoPtr);
612
613 InvalidateRect(infoPtr->hwndSelf, &infoPtr->items[iItem].rect, FALSE);
614 }
615
616
617 static void
618 HEADER_InternalHitTest (const HEADER_INFO *infoPtr, const POINT *lpPt, UINT *pFlags, INT *pItem)
619 {
620 RECT rect, rcTest;
621 UINT iCount;
622 INT width;
623 BOOL bNoWidth;
624
625 GetClientRect (infoPtr->hwndSelf, &rect);
626
627 *pFlags = 0;
628 bNoWidth = FALSE;
629 if (PtInRect (&rect, *lpPt))
630 {
631 if (infoPtr->uNumItem == 0) {
632 *pFlags |= HHT_NOWHERE;
633 *pItem = 1;
634 TRACE("NOWHERE\n");
635 return;
636 }
637 else {
638 /* somewhere inside */
639 for (iCount = 0; iCount < infoPtr->uNumItem; iCount++) {
640 rect = infoPtr->items[iCount].rect;
641 width = rect.right - rect.left;
642 if (width == 0) {
643 bNoWidth = TRUE;
644 continue;
645 }
646 if (PtInRect (&rect, *lpPt)) {
647 if (width <= 2 * DIVIDER_WIDTH) {
648 *pFlags |= HHT_ONHEADER;
649 *pItem = iCount;
650 TRACE("ON HEADER %d\n", iCount);
651 return;
652 }
653 if (HEADER_IndexToOrder(infoPtr, iCount) > 0) {
654 rcTest = rect;
655 rcTest.right = rcTest.left + DIVIDER_WIDTH;
656 if (PtInRect (&rcTest, *lpPt)) {
657 if (HEADER_IsItemFixed(infoPtr, HEADER_PrevItem(infoPtr, iCount)))
658 {
659 *pFlags |= HHT_ONHEADER;
660 *pItem = iCount;
661 TRACE("ON HEADER %d\n", *pItem);
662 return;
663 }
664 if (bNoWidth) {
665 *pFlags |= HHT_ONDIVOPEN;
666 *pItem = HEADER_PrevItem(infoPtr, iCount);
667 TRACE("ON DIVOPEN %d\n", *pItem);
668 return;
669 }
670 else {
671 *pFlags |= HHT_ONDIVIDER;
672 *pItem = HEADER_PrevItem(infoPtr, iCount);
673 TRACE("ON DIVIDER %d\n", *pItem);
674 return;
675 }
676 }
677 }
678 rcTest = rect;
679 rcTest.left = rcTest.right - DIVIDER_WIDTH;
680 if (!HEADER_IsItemFixed(infoPtr, iCount) && PtInRect (&rcTest, *lpPt))
681 {
682 *pFlags |= HHT_ONDIVIDER;
683 *pItem = iCount;
684 TRACE("ON DIVIDER %d\n", *pItem);
685 return;
686 }
687
688 *pFlags |= HHT_ONHEADER;
689 *pItem = iCount;
690 TRACE("ON HEADER %d\n", iCount);
691 return;
692 }
693 }
694
695 /* check for last divider part (on nowhere) */
696 if (!HEADER_IsItemFixed(infoPtr, infoPtr->uNumItem - 1))
697 {
698 rect = infoPtr->items[infoPtr->uNumItem-1].rect;
699 rect.left = rect.right;
700 rect.right += DIVIDER_WIDTH;
701 if (PtInRect (&rect, *lpPt)) {
702 if (bNoWidth) {
703 *pFlags |= HHT_ONDIVOPEN;
704 *pItem = infoPtr->uNumItem - 1;
705 TRACE("ON DIVOPEN %d\n", *pItem);
706 return;
707 }
708 else {
709 *pFlags |= HHT_ONDIVIDER;
710 *pItem = infoPtr->uNumItem - 1;
711 TRACE("ON DIVIDER %d\n", *pItem);
712 return;
713 }
714 }
715 }
716
717 *pFlags |= HHT_NOWHERE;
718 *pItem = 1;
719 TRACE("NOWHERE\n");
720 return;
721 }
722 }
723 else {
724 if (lpPt->x < rect.left) {
725 TRACE("TO LEFT\n");
726 *pFlags |= HHT_TOLEFT;
727 }
728 else if (lpPt->x > rect.right) {
729 TRACE("TO RIGHT\n");
730 *pFlags |= HHT_TORIGHT;
731 }
732
733 if (lpPt->y < rect.top) {
734 TRACE("ABOVE\n");
735 *pFlags |= HHT_ABOVE;
736 }
737 else if (lpPt->y > rect.bottom) {
738 TRACE("BELOW\n");
739 *pFlags |= HHT_BELOW;
740 }
741 }
742
743 *pItem = 1;
744 TRACE("flags=0x%X\n", *pFlags);
745 return;
746 }
747
748
749 static void
750 HEADER_DrawTrackLine (const HEADER_INFO *infoPtr, HDC hdc, INT x)
751 {
752 RECT rect;
753
754 GetClientRect (infoPtr->hwndSelf, &rect);
755 PatBlt( hdc, x, rect.top, 1, rect.bottom - rect.top, DSTINVERT );
756 }
757
758 /***
759 * DESCRIPTION:
760 * Convert a HDITEM into the correct format (ANSI/Unicode) to send it in a notify
761 *
762 * PARAMETER(S):
763 * [I] infoPtr : the header that wants to send the notify
764 * [O] dest : The buffer to store the HDITEM for notify. It may be set to a HDITEMA of HDITEMW
765 * [I] src : The source HDITEM. It may be a HDITEMA or HDITEMW
766 * [I] fSourceUnicode : is src a HDITEMW or HDITEMA
767 * [O] ppvScratch : a pointer to a scratch buffer that needs to be freed after
768 * the HDITEM is no longer in use or NULL if none was needed
769 *
770 * NOTE: We depend on HDITEMA and HDITEMW having the same structure
771 */
772 static void HEADER_CopyHDItemForNotify(const HEADER_INFO *infoPtr, HDITEMW *dest,
773 const HDITEMW *src, BOOL fSourceUnicode, LPVOID *ppvScratch)
774 {
775 *ppvScratch = NULL;
776 *dest = *src;
777
778 if (src->mask & HDI_TEXT && src->pszText != LPSTR_TEXTCALLBACKW) /* covers TEXTCALLBACKA as well */
779 {
780 if (fSourceUnicode && infoPtr->nNotifyFormat != NFR_UNICODE)
781 {
782 dest->pszText = NULL;
783 Str_SetPtrWtoA((LPSTR *)&dest->pszText, src->pszText);
784 *ppvScratch = dest->pszText;
785 }
786
787 if (!fSourceUnicode && infoPtr->nNotifyFormat == NFR_UNICODE)
788 {
789 dest->pszText = NULL;
790 Str_SetPtrAtoW(&dest->pszText, (LPSTR)src->pszText);
791 *ppvScratch = dest->pszText;
792 }
793 }
794 }
795
796 static UINT HEADER_NotifyCodeWtoA(UINT code)
797 {
798 /* we use the fact that all the unicode messages are in HDN_FIRST_UNICODE..HDN_LAST*/
799 if (code >= HDN_LAST && code <= HDN_FIRST_UNICODE)
800 return code + HDN_UNICODE_OFFSET;
801 else
802 return code;
803 }
804
805 static LRESULT
806 HEADER_SendNotify(const HEADER_INFO *infoPtr, UINT code, NMHDR *nmhdr)
807 {
808 nmhdr->hwndFrom = infoPtr->hwndSelf;
809 nmhdr->idFrom = GetWindowLongPtrW (infoPtr->hwndSelf, GWLP_ID);
810 nmhdr->code = code;
811
812 return SendMessageW(infoPtr->hwndNotify, WM_NOTIFY,
813 nmhdr->idFrom, (LPARAM)nmhdr);
814 }
815
816 static BOOL
817 HEADER_SendSimpleNotify (const HEADER_INFO *infoPtr, UINT code)
818 {
819 NMHDR nmhdr;
820 return (BOOL)HEADER_SendNotify(infoPtr, code, &nmhdr);
821 }
822
823 static LRESULT
824 HEADER_SendCtrlCustomDraw(const HEADER_INFO *infoPtr, DWORD dwDrawStage, HDC hdc, const RECT *rect)
825 {
826 NMCUSTOMDRAW nm;
827 nm.dwDrawStage = dwDrawStage;
828 nm.hdc = hdc;
829 nm.rc = *rect;
830 nm.dwItemSpec = 0;
831 nm.uItemState = 0;
832 nm.lItemlParam = 0;
833
834 return HEADER_SendNotify(infoPtr, NM_CUSTOMDRAW, (NMHDR *)&nm);
835 }
836
837 static BOOL
838 HEADER_SendNotifyWithHDItemT(const HEADER_INFO *infoPtr, UINT code, INT iItem, HDITEMW *lpItem)
839 {
840 NMHEADERW nmhdr;
841
842 if (infoPtr->nNotifyFormat != NFR_UNICODE)
843 code = HEADER_NotifyCodeWtoA(code);
844 nmhdr.iItem = iItem;
845 nmhdr.iButton = 0;
846 nmhdr.pitem = lpItem;
847
848 return (BOOL)HEADER_SendNotify(infoPtr, code, (NMHDR *)&nmhdr);
849 }
850
851 static BOOL
852 HEADER_SendNotifyWithIntFieldT(const HEADER_INFO *infoPtr, UINT code, INT iItem, INT mask, INT iValue)
853 {
854 HDITEMW nmitem;
855
856 /* copying only the iValue should be ok but to make the code more robust we copy everything */
857 nmitem.cxy = infoPtr->items[iItem].cxy;
858 nmitem.hbm = infoPtr->items[iItem].hbm;
859 nmitem.pszText = NULL;
860 nmitem.cchTextMax = 0;
861 nmitem.fmt = infoPtr->items[iItem].fmt;
862 nmitem.lParam = infoPtr->items[iItem].lParam;
863 nmitem.iOrder = infoPtr->items[iItem].iOrder;
864 nmitem.iImage = infoPtr->items[iItem].iImage;
865
866 nmitem.mask = mask;
867 switch (mask)
868 {
869 case HDI_WIDTH:
870 nmitem.cxy = iValue;
871 break;
872 case HDI_ORDER:
873 nmitem.iOrder = iValue;
874 break;
875 default:
876 ERR("invalid mask value 0x%x\n", iValue);
877 }
878
879 return HEADER_SendNotifyWithHDItemT(infoPtr, code, iItem, &nmitem);
880 }
881
882 /**
883 * Prepare callback items
884 * depends on NMHDDISPINFOW having same structure as NMHDDISPINFOA
885 * (so we handle the two cases only doing a specific cast for pszText).
886 * Checks if any of the required fields is a callback. If this is the case sends a
887 * NMHDISPINFO notify to retrieve these items. The items are stored in the
888 * HEADER_ITEM pszText and iImage fields. They should be freed with
889 * HEADER_FreeCallbackItems.
890 *
891 * @param hwnd : hwnd header container handler
892 * @param iItem : the header item id
893 * @param reqMask : required fields. If any of them is callback this function will fetch it
894 *
895 * @return TRUE on success, else FALSE
896 */
897 static BOOL
898 HEADER_PrepareCallbackItems(const HEADER_INFO *infoPtr, INT iItem, INT reqMask)
899 {
900 HEADER_ITEM *lpItem = &infoPtr->items[iItem];
901 DWORD mask = reqMask & lpItem->callbackMask;
902 NMHDDISPINFOW dispInfo;
903 void *pvBuffer = NULL;
904
905 if (mask == 0)
906 return TRUE;
907 if (mask&HDI_TEXT && lpItem->pszText != NULL)
908 {
909 ERR("(): function called without a call to FreeCallbackItems\n");
910 Free(lpItem->pszText);
911 lpItem->pszText = NULL;
912 }
913
914 memset(&dispInfo, 0, sizeof(NMHDDISPINFOW));
915 dispInfo.hdr.hwndFrom = infoPtr->hwndSelf;
916 dispInfo.hdr.idFrom = GetWindowLongPtrW (infoPtr->hwndSelf, GWLP_ID);
917 if (infoPtr->nNotifyFormat == NFR_UNICODE)
918 {
919 dispInfo.hdr.code = HDN_GETDISPINFOW;
920 if (mask & HDI_TEXT)
921 pvBuffer = Alloc(MAX_HEADER_TEXT_LEN * sizeof(WCHAR));
922 }
923 else
924 {
925 dispInfo.hdr.code = HDN_GETDISPINFOA;
926 if (mask & HDI_TEXT)
927 pvBuffer = Alloc(MAX_HEADER_TEXT_LEN * sizeof(CHAR));
928 }
929 dispInfo.pszText = pvBuffer;
930 dispInfo.cchTextMax = (pvBuffer!=NULL?MAX_HEADER_TEXT_LEN:0);
931 dispInfo.iItem = iItem;
932 dispInfo.mask = mask;
933 dispInfo.lParam = lpItem->lParam;
934
935 TRACE("Sending HDN_GETDISPINFO%c\n", infoPtr->nNotifyFormat == NFR_UNICODE?'W':'A');
936 SendMessageW(infoPtr->hwndNotify, WM_NOTIFY, dispInfo.hdr.idFrom, (LPARAM)&dispInfo);
937
938 TRACE("SendMessage returns(mask:0x%x,str:%s,lParam:%p)\n",
939 dispInfo.mask,
940 (infoPtr->nNotifyFormat == NFR_UNICODE ? debugstr_w(dispInfo.pszText) : (LPSTR) dispInfo.pszText),
941 (void*) dispInfo.lParam);
942
943 if (mask & HDI_IMAGE)
944 lpItem->iImage = dispInfo.iImage;
945 if (mask & HDI_TEXT)
946 {
947 if (infoPtr->nNotifyFormat == NFR_UNICODE)
948 {
949 lpItem->pszText = pvBuffer;
950
951 /* the user might have used his own buffer */
952 if (dispInfo.pszText != lpItem->pszText)
953 Str_GetPtrW(dispInfo.pszText, lpItem->pszText, MAX_HEADER_TEXT_LEN);
954 }
955 else
956 {
957 Str_SetPtrAtoW(&lpItem->pszText, (LPSTR)dispInfo.pszText);
958 Free(pvBuffer);
959 }
960 }
961
962 if (dispInfo.mask & HDI_DI_SETITEM)
963 {
964 /* make the items permanent */
965 lpItem->callbackMask &= ~dispInfo.mask;
966 }
967
968 return TRUE;
969 }
970
971 /***
972 * DESCRIPTION:
973 * Free the items that might be allocated with HEADER_PrepareCallbackItems
974 *
975 * PARAMETER(S):
976 * [I] lpItem : the item to free the data
977 *
978 */
979 static void
980 HEADER_FreeCallbackItems(HEADER_ITEM *lpItem)
981 {
982 if (lpItem->callbackMask&HDI_TEXT)
983 {
984 Free(lpItem->pszText);
985 lpItem->pszText = NULL;
986 }
987
988 if (lpItem->callbackMask&HDI_IMAGE)
989 lpItem->iImage = I_IMAGECALLBACK;
990 }
991
992 static LRESULT
993 HEADER_CreateDragImage (HEADER_INFO *infoPtr, INT iItem)
994 {
995 HEADER_ITEM *lpItem;
996 HIMAGELIST himl;
997 HBITMAP hMemory, hOldBitmap;
998 LRESULT lCDFlags;
999 RECT rc;
1000 HDC hMemoryDC;
1001 HDC hDeviceDC;
1002 int height, width;
1003 HFONT hFont;
1004
1005 if (iItem >= infoPtr->uNumItem)
1006 return FALSE;
1007
1008 if (!infoPtr->bRectsValid)
1009 HEADER_SetItemBounds(infoPtr);
1010
1011 lpItem = &infoPtr->items[iItem];
1012 width = lpItem->rect.right - lpItem->rect.left;
1013 height = lpItem->rect.bottom - lpItem->rect.top;
1014
1015 hDeviceDC = GetDC(NULL);
1016 hMemoryDC = CreateCompatibleDC(hDeviceDC);
1017 hMemory = CreateCompatibleBitmap(hDeviceDC, width, height);
1018 ReleaseDC(NULL, hDeviceDC);
1019 hOldBitmap = SelectObject(hMemoryDC, hMemory);
1020 SetViewportOrgEx(hMemoryDC, -lpItem->rect.left, -lpItem->rect.top, NULL);
1021 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject(SYSTEM_FONT);
1022 SelectObject(hMemoryDC, hFont);
1023
1024 GetClientRect(infoPtr->hwndSelf, &rc);
1025 lCDFlags = HEADER_SendCtrlCustomDraw(infoPtr, CDDS_PREPAINT, hMemoryDC, &rc);
1026 HEADER_DrawItem(infoPtr, hMemoryDC, iItem, FALSE, lCDFlags);
1027 if (lCDFlags & CDRF_NOTIFYPOSTPAINT)
1028 HEADER_SendCtrlCustomDraw(infoPtr, CDDS_POSTPAINT, hMemoryDC, &rc);
1029
1030 hMemory = SelectObject(hMemoryDC, hOldBitmap);
1031 DeleteDC(hMemoryDC);
1032
1033 if (hMemory == NULL) /* if anything failed */
1034 return FALSE;
1035
1036 himl = ImageList_Create(width, height, ILC_COLORDDB, 1, 1);
1037 ImageList_Add(himl, hMemory, NULL);
1038 DeleteObject(hMemory);
1039 return (LRESULT)himl;
1040 }
1041
1042 static LRESULT
1043 HEADER_SetHotDivider(HEADER_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
1044 {
1045 INT iDivider;
1046 RECT r;
1047
1048 if (wParam)
1049 {
1050 POINT pt;
1051 UINT flags;
1052 pt.x = (INT)(SHORT)LOWORD(lParam);
1053 pt.y = 0;
1054 HEADER_InternalHitTest (infoPtr, &pt, &flags, &iDivider);
1055
1056 if (flags & HHT_TOLEFT)
1057 iDivider = 0;
1058 else if (flags & HHT_NOWHERE || flags & HHT_TORIGHT)
1059 iDivider = infoPtr->uNumItem;
1060 else
1061 {
1062 HEADER_ITEM *lpItem = &infoPtr->items[iDivider];
1063 if (pt.x > (lpItem->rect.left+lpItem->rect.right)/2)
1064 iDivider = HEADER_NextItem(infoPtr, iDivider);
1065 }
1066 }
1067 else
1068 iDivider = (INT)lParam;
1069
1070 /* Note; wParam==FALSE, lParam==-1 is valid and is used to clear the hot divider */
1071 if (iDivider<-1 || iDivider>(int)infoPtr->uNumItem)
1072 return iDivider;
1073
1074 if (iDivider != infoPtr->iHotDivider)
1075 {
1076 if (infoPtr->iHotDivider != -1)
1077 {
1078 HEADER_GetHotDividerRect(infoPtr, &r);
1079 InvalidateRect(infoPtr->hwndSelf, &r, FALSE);
1080 }
1081 infoPtr->iHotDivider = iDivider;
1082 if (iDivider != -1)
1083 {
1084 HEADER_GetHotDividerRect(infoPtr, &r);
1085 InvalidateRect(infoPtr->hwndSelf, &r, FALSE);
1086 }
1087 }
1088 return iDivider;
1089 }
1090
1091 static LRESULT
1092 HEADER_DeleteItem (HEADER_INFO *infoPtr, INT iItem)
1093 {
1094 INT iOrder;
1095 UINT i;
1096
1097 TRACE("[iItem=%d]\n", iItem);
1098
1099 if ((iItem < 0) || (iItem >= (INT)infoPtr->uNumItem))
1100 return FALSE;
1101
1102 for (i = 0; i < infoPtr->uNumItem; i++)
1103 TRACE("%d: order=%d, iOrder=%d, ->iOrder=%d\n", i, infoPtr->order[i], infoPtr->items[i].iOrder, infoPtr->items[infoPtr->order[i]].iOrder);
1104
1105 iOrder = infoPtr->items[iItem].iOrder;
1106 Free(infoPtr->items[iItem].pszText);
1107
1108 infoPtr->uNumItem--;
1109 memmove(&infoPtr->items[iItem], &infoPtr->items[iItem + 1],
1110 (infoPtr->uNumItem - iItem) * sizeof(HEADER_ITEM));
1111 memmove(&infoPtr->order[iOrder], &infoPtr->order[iOrder + 1],
1112 (infoPtr->uNumItem - iOrder) * sizeof(INT));
1113 infoPtr->items = ReAlloc(infoPtr->items, sizeof(HEADER_ITEM) * infoPtr->uNumItem);
1114 infoPtr->order = ReAlloc(infoPtr->order, sizeof(INT) * infoPtr->uNumItem);
1115
1116 /* Correct the orders */
1117 for (i = 0; i < infoPtr->uNumItem; i++)
1118 {
1119 if (infoPtr->order[i] > iItem)
1120 infoPtr->order[i]--;
1121 if (i >= iOrder)
1122 infoPtr->items[infoPtr->order[i]].iOrder = i;
1123 }
1124 for (i = 0; i < infoPtr->uNumItem; i++)
1125 TRACE("%d: order=%d, iOrder=%d, ->iOrder=%d\n", i, infoPtr->order[i], infoPtr->items[i].iOrder, infoPtr->items[infoPtr->order[i]].iOrder);
1126
1127 HEADER_SetItemBounds (infoPtr);
1128 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1129
1130 return TRUE;
1131 }
1132
1133
1134 static LRESULT
1135 HEADER_GetImageList (const HEADER_INFO *infoPtr)
1136 {
1137 return (LRESULT)infoPtr->himl;
1138 }
1139
1140
1141 static LRESULT
1142 HEADER_GetItemT (const HEADER_INFO *infoPtr, INT nItem, LPHDITEMW phdi, BOOL bUnicode)
1143 {
1144 HEADER_ITEM *lpItem;
1145 UINT mask;
1146
1147 if (!phdi)
1148 return FALSE;
1149
1150 TRACE("[nItem=%d]\n", nItem);
1151
1152 mask = phdi->mask;
1153 if (mask == 0)
1154 return TRUE;
1155
1156 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
1157 return FALSE;
1158
1159 if (mask & HDI_UNKNOWN_FIELDS)
1160 {
1161 TRACE("mask %x contains unknown fields. Using only comctl32 4.0 fields\n", mask);
1162 mask &= HDI_COMCTL32_4_0_FIELDS;
1163 }
1164
1165 lpItem = &infoPtr->items[nItem];
1166 HEADER_PrepareCallbackItems(infoPtr, nItem, mask);
1167
1168 if (mask & HDI_BITMAP)
1169 phdi->hbm = lpItem->hbm;
1170
1171 if (mask & HDI_FORMAT)
1172 phdi->fmt = lpItem->fmt;
1173
1174 if (mask & HDI_WIDTH)
1175 phdi->cxy = lpItem->cxy;
1176
1177 if (mask & HDI_LPARAM)
1178 phdi->lParam = lpItem->lParam;
1179
1180 if (mask & HDI_IMAGE)
1181 phdi->iImage = lpItem->iImage;
1182
1183 if (mask & HDI_ORDER)
1184 phdi->iOrder = lpItem->iOrder;
1185
1186 if (mask & HDI_TEXT)
1187 {
1188 if (bUnicode)
1189 Str_GetPtrW (lpItem->pszText, phdi->pszText, phdi->cchTextMax);
1190 else
1191 Str_GetPtrWtoA (lpItem->pszText, (LPSTR)phdi->pszText, phdi->cchTextMax);
1192 }
1193
1194 HEADER_FreeCallbackItems(lpItem);
1195 return TRUE;
1196 }
1197
1198
1199 static inline LRESULT
1200 HEADER_GetItemCount (const HEADER_INFO *infoPtr)
1201 {
1202 return infoPtr->uNumItem;
1203 }
1204
1205
1206 static LRESULT
1207 HEADER_GetItemRect (const HEADER_INFO *infoPtr, INT iItem, LPRECT lpRect)
1208 {
1209 if ((iItem < 0) || (iItem >= (INT)infoPtr->uNumItem))
1210 return FALSE;
1211
1212 lpRect->left = infoPtr->items[iItem].rect.left;
1213 lpRect->right = infoPtr->items[iItem].rect.right;
1214 lpRect->top = infoPtr->items[iItem].rect.top;
1215 lpRect->bottom = infoPtr->items[iItem].rect.bottom;
1216
1217 return TRUE;
1218 }
1219
1220
1221 static LRESULT
1222 HEADER_GetOrderArray(const HEADER_INFO *infoPtr, INT size, LPINT order)
1223 {
1224 if ((UINT)size <infoPtr->uNumItem)
1225 return FALSE;
1226
1227 memcpy(order, infoPtr->order, infoPtr->uNumItem * sizeof(INT));
1228 return TRUE;
1229 }
1230
1231 /* Returns index of first duplicate 'value' from [0,to) range,
1232 or -1 if there isn't any */
1233 static INT has_duplicate(const INT *array, INT to, INT value)
1234 {
1235 INT i;
1236 for(i = 0; i < to; i++)
1237 if (array[i] == value) return i;
1238 return -1;
1239 }
1240
1241 /* returns next available value from [0,max] not to duplicate in [0,to) */
1242 static INT get_nextvalue(const INT *array, INT to, INT max)
1243 {
1244 INT i;
1245 for(i = 0; i < max; i++)
1246 if (has_duplicate(array, to, i) == -1) return i;
1247 return 0;
1248 }
1249
1250 static LRESULT
1251 HEADER_SetOrderArray(HEADER_INFO *infoPtr, INT size, const INT *order)
1252 {
1253 HEADER_ITEM *lpItem;
1254 INT i;
1255
1256 if ((UINT)size != infoPtr->uNumItem)
1257 return FALSE;
1258
1259 if (TRACE_ON(header))
1260 {
1261 TRACE("count=%d, order array={", size);
1262 for (i = 0; i < size; i++)
1263 TRACE("%d%c", order[i], i != size-1 ? ',' : '}');
1264 TRACE("\n");
1265 }
1266
1267 for (i=0; i<size; i++)
1268 {
1269 if (order[i] >= size || order[i] < 0)
1270 /* on invalid index get next available */
1271 /* FIXME: if i==0 array item is out of range behaviour is
1272 different, see tests */
1273 infoPtr->order[i] = get_nextvalue(infoPtr->order, i, size);
1274 else
1275 {
1276 INT j, dup;
1277
1278 infoPtr->order[i] = order[i];
1279 j = i;
1280 /* remove duplicates */
1281 while ((dup = has_duplicate(infoPtr->order, j, order[j])) != -1)
1282 {
1283 INT next;
1284
1285 next = get_nextvalue(infoPtr->order, j, size);
1286 infoPtr->order[dup] = next;
1287 j--;
1288 }
1289 }
1290 }
1291 /* sync with item data */
1292 for (i=0; i<size; i++)
1293 {
1294 lpItem = &infoPtr->items[infoPtr->order[i]];
1295 lpItem->iOrder = i;
1296 }
1297 HEADER_SetItemBounds(infoPtr);
1298 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1299 return TRUE;
1300 }
1301
1302 static inline LRESULT
1303 HEADER_GetUnicodeFormat (const HEADER_INFO *infoPtr)
1304 {
1305 return (infoPtr->nNotifyFormat == NFR_UNICODE);
1306 }
1307
1308
1309 static LRESULT
1310 HEADER_HitTest (const HEADER_INFO *infoPtr, LPHDHITTESTINFO phti)
1311 {
1312 UINT outside = HHT_NOWHERE | HHT_ABOVE | HHT_BELOW | HHT_TOLEFT | HHT_TORIGHT;
1313
1314 HEADER_InternalHitTest (infoPtr, &phti->pt, &phti->flags, &phti->iItem);
1315
1316 if (phti->flags & outside)
1317 return phti->iItem = -1;
1318 else
1319 return phti->iItem;
1320 }
1321
1322
1323 static LRESULT
1324 HEADER_InsertItemT (HEADER_INFO *infoPtr, INT nItem, const HDITEMW *phdi, BOOL bUnicode)
1325 {
1326 HEADER_ITEM *lpItem;
1327 INT iOrder;
1328 UINT i;
1329 UINT copyMask;
1330
1331 if ((phdi == NULL) || (nItem < 0) || (phdi->mask == 0))
1332 return -1;
1333
1334 if (nItem > infoPtr->uNumItem)
1335 nItem = infoPtr->uNumItem;
1336
1337 iOrder = (phdi->mask & HDI_ORDER) ? phdi->iOrder : nItem;
1338 if (iOrder < 0)
1339 iOrder = 0;
1340 else if (infoPtr->uNumItem < iOrder)
1341 iOrder = infoPtr->uNumItem;
1342
1343 infoPtr->uNumItem++;
1344 infoPtr->items = ReAlloc(infoPtr->items, sizeof(HEADER_ITEM) * infoPtr->uNumItem);
1345 infoPtr->order = ReAlloc(infoPtr->order, sizeof(INT) * infoPtr->uNumItem);
1346
1347 /* make space for the new item */
1348 memmove(&infoPtr->items[nItem + 1], &infoPtr->items[nItem],
1349 (infoPtr->uNumItem - nItem - 1) * sizeof(HEADER_ITEM));
1350 memmove(&infoPtr->order[iOrder + 1], &infoPtr->order[iOrder],
1351 (infoPtr->uNumItem - iOrder - 1) * sizeof(INT));
1352
1353 /* update the order array */
1354 infoPtr->order[iOrder] = nItem;
1355 for (i = 0; i < infoPtr->uNumItem; i++)
1356 {
1357 if (i != iOrder && infoPtr->order[i] >= nItem)
1358 infoPtr->order[i]++;
1359 infoPtr->items[infoPtr->order[i]].iOrder = i;
1360 }
1361
1362 lpItem = &infoPtr->items[nItem];
1363 ZeroMemory(lpItem, sizeof(HEADER_ITEM));
1364 /* cxy, fmt and lParam are copied even if not in the HDITEM mask */
1365 copyMask = phdi->mask | HDI_WIDTH | HDI_FORMAT | HDI_LPARAM;
1366 HEADER_StoreHDItemInHeader(lpItem, copyMask, phdi, bUnicode);
1367 lpItem->iOrder = iOrder;
1368
1369 /* set automatically some format bits */
1370 if (phdi->mask & HDI_TEXT)
1371 lpItem->fmt |= HDF_STRING;
1372 else
1373 lpItem->fmt &= ~HDF_STRING;
1374
1375 if (lpItem->hbm != NULL)
1376 lpItem->fmt |= HDF_BITMAP;
1377 else
1378 lpItem->fmt &= ~HDF_BITMAP;
1379
1380 if (phdi->mask & HDI_IMAGE)
1381 lpItem->fmt |= HDF_IMAGE;
1382
1383 HEADER_SetItemBounds (infoPtr);
1384 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1385
1386 return nItem;
1387 }
1388
1389
1390 static LRESULT
1391 HEADER_Layout (HEADER_INFO *infoPtr, LPHDLAYOUT lpLayout)
1392 {
1393 lpLayout->pwpos->hwnd = infoPtr->hwndSelf;
1394 lpLayout->pwpos->hwndInsertAfter = 0;
1395 lpLayout->pwpos->x = lpLayout->prc->left;
1396 lpLayout->pwpos->y = lpLayout->prc->top;
1397 lpLayout->pwpos->cx = lpLayout->prc->right - lpLayout->prc->left;
1398 if (infoPtr->dwStyle & HDS_HIDDEN)
1399 lpLayout->pwpos->cy = 0;
1400 else {
1401 lpLayout->pwpos->cy = infoPtr->nHeight;
1402 lpLayout->prc->top += infoPtr->nHeight;
1403 }
1404 lpLayout->pwpos->flags = SWP_NOZORDER;
1405
1406 TRACE("Layout x=%d y=%d cx=%d cy=%d\n",
1407 lpLayout->pwpos->x, lpLayout->pwpos->y,
1408 lpLayout->pwpos->cx, lpLayout->pwpos->cy);
1409
1410 infoPtr->bRectsValid = FALSE;
1411
1412 return TRUE;
1413 }
1414
1415
1416 static LRESULT
1417 HEADER_SetImageList (HEADER_INFO *infoPtr, HIMAGELIST himl)
1418 {
1419 HIMAGELIST himlOld;
1420
1421 TRACE("(himl %p)\n", himl);
1422 himlOld = infoPtr->himl;
1423 infoPtr->himl = himl;
1424
1425 /* FIXME: Refresh needed??? */
1426
1427 return (LRESULT)himlOld;
1428 }
1429
1430
1431 static LRESULT
1432 HEADER_GetBitmapMargin(const HEADER_INFO *infoPtr)
1433 {
1434 return infoPtr->iMargin;
1435 }
1436
1437 static LRESULT
1438 HEADER_SetBitmapMargin(HEADER_INFO *infoPtr, INT iMargin)
1439 {
1440 INT oldMargin = infoPtr->iMargin;
1441
1442 infoPtr->iMargin = iMargin;
1443
1444 return oldMargin;
1445 }
1446
1447 static LRESULT
1448 HEADER_SetItemT (HEADER_INFO *infoPtr, INT nItem, const HDITEMW *phdi, BOOL bUnicode)
1449 {
1450 HEADER_ITEM *lpItem;
1451 HDITEMW hdNotify;
1452 void *pvScratch;
1453
1454 if (phdi == NULL)
1455 return FALSE;
1456 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
1457 return FALSE;
1458
1459 TRACE("[nItem=%d]\n", nItem);
1460
1461 HEADER_CopyHDItemForNotify(infoPtr, &hdNotify, phdi, bUnicode, &pvScratch);
1462 if (HEADER_SendNotifyWithHDItemT(infoPtr, HDN_ITEMCHANGINGW, nItem, &hdNotify))
1463 {
1464 Free(pvScratch);
1465 return FALSE;
1466 }
1467
1468 lpItem = &infoPtr->items[nItem];
1469 HEADER_StoreHDItemInHeader(lpItem, phdi->mask, phdi, bUnicode);
1470
1471 if (phdi->mask & HDI_ORDER)
1472 if (phdi->iOrder >= 0 && phdi->iOrder < infoPtr->uNumItem)
1473 HEADER_ChangeItemOrder(infoPtr, nItem, phdi->iOrder);
1474
1475 HEADER_SendNotifyWithHDItemT(infoPtr, HDN_ITEMCHANGEDW, nItem, &hdNotify);
1476
1477 HEADER_SetItemBounds (infoPtr);
1478
1479 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1480
1481 Free(pvScratch);
1482 return TRUE;
1483 }
1484
1485 static inline LRESULT
1486 HEADER_SetUnicodeFormat (HEADER_INFO *infoPtr, WPARAM wParam)
1487 {
1488 BOOL bTemp = (infoPtr->nNotifyFormat == NFR_UNICODE);
1489
1490 infoPtr->nNotifyFormat = ((BOOL)wParam ? NFR_UNICODE : NFR_ANSI);
1491
1492 return bTemp;
1493 }
1494
1495
1496 static LRESULT
1497 HEADER_Create (HWND hwnd, const CREATESTRUCTW *lpcs)
1498 {
1499 HEADER_INFO *infoPtr;
1500 TEXTMETRICW tm;
1501 HFONT hOldFont;
1502 HDC hdc;
1503
1504 infoPtr = Alloc (sizeof(HEADER_INFO));
1505 SetWindowLongPtrW (hwnd, 0, (DWORD_PTR)infoPtr);
1506
1507 infoPtr->hwndSelf = hwnd;
1508 infoPtr->hwndNotify = lpcs->hwndParent;
1509 infoPtr->uNumItem = 0;
1510 infoPtr->hFont = 0;
1511 infoPtr->items = 0;
1512 infoPtr->order = 0;
1513 infoPtr->bRectsValid = FALSE;
1514 infoPtr->hcurArrow = LoadCursorW (0, (LPWSTR)IDC_ARROW);
1515 infoPtr->hcurDivider = LoadCursorW (COMCTL32_hModule, MAKEINTRESOURCEW(IDC_DIVIDER));
1516 infoPtr->hcurDivopen = LoadCursorW (COMCTL32_hModule, MAKEINTRESOURCEW(IDC_DIVIDEROPEN));
1517 infoPtr->bPressed = FALSE;
1518 infoPtr->bTracking = FALSE;
1519 infoPtr->dwStyle = lpcs->style;
1520 infoPtr->iMoveItem = 0;
1521 infoPtr->himl = 0;
1522 infoPtr->iHotItem = -1;
1523 infoPtr->iHotDivider = -1;
1524 infoPtr->iMargin = 3*GetSystemMetrics(SM_CXEDGE);
1525 infoPtr->nNotifyFormat =
1526 SendMessageW (infoPtr->hwndNotify, WM_NOTIFYFORMAT, (WPARAM)hwnd, NF_QUERY);
1527
1528 hdc = GetDC (0);
1529 hOldFont = SelectObject (hdc, GetStockObject (SYSTEM_FONT));
1530 GetTextMetricsW (hdc, &tm);
1531 infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
1532 SelectObject (hdc, hOldFont);
1533 ReleaseDC (0, hdc);
1534
1535 OpenThemeData(hwnd, themeClass);
1536
1537 return 0;
1538 }
1539
1540
1541 static LRESULT
1542 HEADER_Destroy (HEADER_INFO *infoPtr)
1543 {
1544 HTHEME theme = GetWindowTheme(infoPtr->hwndSelf);
1545 CloseThemeData(theme);
1546 return 0;
1547 }
1548
1549 static LRESULT
1550 HEADER_NCDestroy (HEADER_INFO *infoPtr)
1551 {
1552 HEADER_ITEM *lpItem;
1553 INT nItem;
1554
1555 if (infoPtr->items) {
1556 lpItem = infoPtr->items;
1557 for (nItem = 0; nItem < infoPtr->uNumItem; nItem++, lpItem++) {
1558 Free(lpItem->pszText);
1559 }
1560 Free (infoPtr->items);
1561 }
1562
1563 Free(infoPtr->order);
1564
1565 SetWindowLongPtrW (infoPtr->hwndSelf, 0, 0);
1566 Free (infoPtr);
1567
1568 return 0;
1569 }
1570
1571
1572 static inline LRESULT
1573 HEADER_GetFont (const HEADER_INFO *infoPtr)
1574 {
1575 return (LRESULT)infoPtr->hFont;
1576 }
1577
1578
1579 static BOOL
1580 HEADER_IsDragDistance(const HEADER_INFO *infoPtr, const POINT *pt)
1581 {
1582 /* Windows allows for a mouse movement before starting the drag. We use the
1583 * SM_CXDOUBLECLICK/SM_CYDOUBLECLICK as that distance.
1584 */
1585 return (abs(infoPtr->ptLButtonDown.x - pt->x)>GetSystemMetrics(SM_CXDOUBLECLK) ||
1586 abs(infoPtr->ptLButtonDown.y - pt->y)>GetSystemMetrics(SM_CYDOUBLECLK));
1587 }
1588
1589 static LRESULT
1590 HEADER_LButtonDblClk (const HEADER_INFO *infoPtr, INT x, INT y)
1591 {
1592 POINT pt;
1593 UINT flags;
1594 INT nItem;
1595
1596 pt.x = x;
1597 pt.y = y;
1598 HEADER_InternalHitTest (infoPtr, &pt, &flags, &nItem);
1599
1600 if ((infoPtr->dwStyle & HDS_BUTTONS) && (flags == HHT_ONHEADER))
1601 HEADER_SendNotifyWithHDItemT(infoPtr, HDN_ITEMDBLCLICKW, nItem, NULL);
1602 else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN))
1603 HEADER_SendNotifyWithHDItemT(infoPtr, HDN_DIVIDERDBLCLICKW, nItem, NULL);
1604
1605 return 0;
1606 }
1607
1608
1609 static LRESULT
1610 HEADER_LButtonDown (HEADER_INFO *infoPtr, INT x, INT y)
1611 {
1612 POINT pt;
1613 UINT flags;
1614 INT nItem;
1615 HDC hdc;
1616
1617 pt.x = x;
1618 pt.y = y;
1619 HEADER_InternalHitTest (infoPtr, &pt, &flags, &nItem);
1620
1621 if ((infoPtr->dwStyle & HDS_BUTTONS) && (flags == HHT_ONHEADER)) {
1622 SetCapture (infoPtr->hwndSelf);
1623 infoPtr->bCaptured = TRUE;
1624 infoPtr->bPressed = TRUE;
1625 infoPtr->bDragging = FALSE;
1626 infoPtr->iMoveItem = nItem;
1627 infoPtr->ptLButtonDown = pt;
1628
1629 infoPtr->items[nItem].bDown = TRUE;
1630
1631 /* Send WM_CUSTOMDRAW */
1632 hdc = GetDC (infoPtr->hwndSelf);
1633 HEADER_RefreshItem (infoPtr, nItem);
1634 ReleaseDC (infoPtr->hwndSelf, hdc);
1635
1636 TRACE("Pressed item %d!\n", nItem);
1637 }
1638 else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN)) {
1639 INT iCurrWidth = infoPtr->items[nItem].cxy;
1640 if (!HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_BEGINTRACKW, nItem, HDI_WIDTH, iCurrWidth))
1641 {
1642 SetCapture (infoPtr->hwndSelf);
1643 infoPtr->bCaptured = TRUE;
1644 infoPtr->bTracking = TRUE;
1645 infoPtr->iMoveItem = nItem;
1646 infoPtr->xTrackOffset = infoPtr->items[nItem].rect.right - pt.x;
1647
1648 if (!(infoPtr->dwStyle & HDS_FULLDRAG)) {
1649 infoPtr->xOldTrack = infoPtr->items[nItem].rect.right;
1650 hdc = GetDC (infoPtr->hwndSelf);
1651 HEADER_DrawTrackLine (infoPtr, hdc, infoPtr->xOldTrack);
1652 ReleaseDC (infoPtr->hwndSelf, hdc);
1653 }
1654
1655 TRACE("Begin tracking item %d!\n", nItem);
1656 }
1657 }
1658
1659 return 0;
1660 }
1661
1662
1663 static LRESULT
1664 HEADER_LButtonUp (HEADER_INFO *infoPtr, INT x, INT y)
1665 {
1666 POINT pt;
1667 UINT flags;
1668 INT nItem;
1669 HDC hdc;
1670
1671 pt.x = x;
1672 pt.y = y;
1673 HEADER_InternalHitTest (infoPtr, &pt, &flags, &nItem);
1674
1675 if (infoPtr->bPressed) {
1676
1677 infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
1678
1679 if (infoPtr->bDragging)
1680 {
1681 HEADER_ITEM *lpItem = &infoPtr->items[infoPtr->iMoveItem];
1682 INT iNewOrder;
1683
1684 ImageList_DragShowNolock(FALSE);
1685 ImageList_EndDrag();
1686
1687 if (infoPtr->iHotDivider == -1)
1688 iNewOrder = -1;
1689 else if (infoPtr->iHotDivider == infoPtr->uNumItem)
1690 iNewOrder = infoPtr->uNumItem-1;
1691 else
1692 {
1693 iNewOrder = HEADER_IndexToOrder(infoPtr, infoPtr->iHotDivider);
1694 if (iNewOrder > lpItem->iOrder)
1695 iNewOrder--;
1696 }
1697
1698 if (iNewOrder != -1 &&
1699 !HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ENDDRAG, infoPtr->iMoveItem, HDI_ORDER, iNewOrder))
1700 {
1701 HEADER_ChangeItemOrder(infoPtr, infoPtr->iMoveItem, iNewOrder);
1702 infoPtr->bRectsValid = FALSE;
1703 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1704 }
1705 else
1706 InvalidateRect(infoPtr->hwndSelf, &infoPtr->items[infoPtr->iMoveItem].rect, FALSE);
1707
1708 infoPtr->bDragging = FALSE;
1709 HEADER_SetHotDivider(infoPtr, FALSE, -1);
1710 }
1711 else
1712 {
1713 hdc = GetDC (infoPtr->hwndSelf);
1714 HEADER_RefreshItem (infoPtr, infoPtr->iMoveItem);
1715 ReleaseDC (infoPtr->hwndSelf, hdc);
1716
1717 if (!(infoPtr->dwStyle & HDS_DRAGDROP) || !HEADER_IsDragDistance(infoPtr, &pt))
1718 HEADER_SendNotifyWithHDItemT(infoPtr, HDN_ITEMCLICKW, infoPtr->iMoveItem, NULL);
1719 }
1720
1721 TRACE("Released item %d!\n", infoPtr->iMoveItem);
1722 infoPtr->bPressed = FALSE;
1723 }
1724 else if (infoPtr->bTracking) {
1725 INT iNewWidth = pt.x - infoPtr->items[infoPtr->iMoveItem].rect.left + infoPtr->xTrackOffset;
1726 if (iNewWidth < 0)
1727 iNewWidth = 0;
1728 TRACE("End tracking item %d!\n", infoPtr->iMoveItem);
1729 infoPtr->bTracking = FALSE;
1730
1731 HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ENDTRACKW, infoPtr->iMoveItem, HDI_WIDTH, iNewWidth);
1732
1733 if (!(infoPtr->dwStyle & HDS_FULLDRAG)) {
1734 hdc = GetDC (infoPtr->hwndSelf);
1735 HEADER_DrawTrackLine (infoPtr, hdc, infoPtr->xOldTrack);
1736 ReleaseDC (infoPtr->hwndSelf, hdc);
1737 }
1738
1739 if (!HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ITEMCHANGINGW, infoPtr->iMoveItem, HDI_WIDTH, iNewWidth))
1740 {
1741 infoPtr->items[infoPtr->iMoveItem].cxy = iNewWidth;
1742 HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ITEMCHANGEDW, infoPtr->iMoveItem, HDI_WIDTH, iNewWidth);
1743 }
1744
1745 HEADER_SetItemBounds (infoPtr);
1746 InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
1747 }
1748
1749 if (infoPtr->bCaptured) {
1750 infoPtr->bCaptured = FALSE;
1751 ReleaseCapture ();
1752 HEADER_SendSimpleNotify (infoPtr, NM_RELEASEDCAPTURE);
1753 }
1754
1755 return 0;
1756 }
1757
1758
1759 static LRESULT
1760 HEADER_NotifyFormat (HEADER_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
1761 {
1762 switch (lParam)
1763 {
1764 case NF_QUERY:
1765 return infoPtr->nNotifyFormat;
1766
1767 case NF_REQUERY:
1768 infoPtr->nNotifyFormat =
1769 SendMessageW ((HWND)wParam, WM_NOTIFYFORMAT,
1770 (WPARAM)infoPtr->hwndSelf, NF_QUERY);
1771 return infoPtr->nNotifyFormat;
1772 }
1773
1774 return 0;
1775 }
1776
1777 static LRESULT
1778 HEADER_MouseLeave (HEADER_INFO *infoPtr)
1779 {
1780 /* Reset hot-tracked item when mouse leaves control. */
1781 INT oldHotItem = infoPtr->iHotItem;
1782 HDC hdc = GetDC (infoPtr->hwndSelf);
1783
1784 infoPtr->iHotItem = -1;
1785 if (oldHotItem != -1) HEADER_RefreshItem (infoPtr, oldHotItem);
1786 ReleaseDC (infoPtr->hwndSelf, hdc);
1787
1788 return 0;
1789 }
1790
1791
1792 static LRESULT
1793 HEADER_MouseMove (HEADER_INFO *infoPtr, LPARAM lParam)
1794 {
1795 POINT pt;
1796 UINT flags;
1797 INT nItem, nWidth;
1798 HDC hdc;
1799 /* With theming, hottracking is always enabled */
1800 BOOL hotTrackEnabled =
1801 ((infoPtr->dwStyle & HDS_BUTTONS) && (infoPtr->dwStyle & HDS_HOTTRACK))
1802 || (GetWindowTheme (infoPtr->hwndSelf) != NULL);
1803 INT oldHotItem = infoPtr->iHotItem;
1804
1805 pt.x = (INT)(SHORT)LOWORD(lParam);
1806 pt.y = (INT)(SHORT)HIWORD(lParam);
1807 HEADER_InternalHitTest (infoPtr, &pt, &flags, &nItem);
1808
1809 if (hotTrackEnabled) {
1810 if (flags & (HHT_ONHEADER | HHT_ONDIVIDER | HHT_ONDIVOPEN))
1811 infoPtr->iHotItem = nItem;
1812 else
1813 infoPtr->iHotItem = -1;
1814 }
1815
1816 if (infoPtr->bCaptured) {
1817 /* check if we should drag the header */
1818 if (infoPtr->bPressed && !infoPtr->bDragging && (infoPtr->dwStyle & HDS_DRAGDROP)
1819 && HEADER_IsDragDistance(infoPtr, &pt))
1820 {
1821 if (!HEADER_SendNotifyWithHDItemT(infoPtr, HDN_BEGINDRAG, infoPtr->iMoveItem, NULL))
1822 {
1823 HIMAGELIST hDragItem = (HIMAGELIST)HEADER_CreateDragImage(infoPtr, infoPtr->iMoveItem);
1824 if (hDragItem != NULL)
1825 {
1826 HEADER_ITEM *lpItem = &infoPtr->items[infoPtr->iMoveItem];
1827 TRACE("Starting item drag\n");
1828 ImageList_BeginDrag(hDragItem, 0, pt.x - lpItem->rect.left, 0);
1829 ImageList_DragShowNolock(TRUE);
1830 ImageList_Destroy(hDragItem);
1831 infoPtr->bDragging = TRUE;
1832 }
1833 }
1834 }
1835
1836 if (infoPtr->bDragging)
1837 {
1838 POINT drag;
1839 drag.x = pt.x;
1840 drag.y = 0;
1841 ClientToScreen(infoPtr->hwndSelf, &drag);
1842 ImageList_DragMove(drag.x, drag.y);
1843 HEADER_SetHotDivider(infoPtr, TRUE, lParam);
1844 }
1845
1846 if (infoPtr->bPressed && !infoPtr->bDragging) {
1847 BOOL oldState = infoPtr->items[infoPtr->iMoveItem].bDown;
1848 if ((nItem == infoPtr->iMoveItem) && (flags == HHT_ONHEADER))
1849 infoPtr->items[infoPtr->iMoveItem].bDown = TRUE;
1850 else
1851 infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
1852 if (oldState != infoPtr->items[infoPtr->iMoveItem].bDown) {
1853 hdc = GetDC (infoPtr->hwndSelf);
1854 HEADER_RefreshItem (infoPtr, infoPtr->iMoveItem);
1855 ReleaseDC (infoPtr->hwndSelf, hdc);
1856 }
1857
1858 TRACE("Moving pressed item %d!\n", infoPtr->iMoveItem);
1859 }
1860 else if (infoPtr->bTracking) {
1861 if (infoPtr->dwStyle & HDS_FULLDRAG) {
1862 HEADER_ITEM *lpItem = &infoPtr->items[infoPtr->iMoveItem];
1863 nWidth = pt.x - lpItem->rect.left + infoPtr->xTrackOffset;
1864 if (!HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ITEMCHANGINGW, infoPtr->iMoveItem, HDI_WIDTH, nWidth))
1865 {
1866 INT nOldWidth = lpItem->rect.right - lpItem->rect.left;
1867 RECT rcClient;
1868 RECT rcScroll;
1869
1870 if (nWidth < 0) nWidth = 0;
1871 infoPtr->items[infoPtr->iMoveItem].cxy = nWidth;
1872 HEADER_SetItemBounds(infoPtr);
1873
1874 GetClientRect(infoPtr->hwndSelf, &rcClient);
1875 rcScroll = rcClient;
1876 rcScroll.left = lpItem->rect.left + nOldWidth;
1877 ScrollWindowEx(infoPtr->hwndSelf, nWidth - nOldWidth, 0, &rcScroll, &rcClient, NULL, NULL, 0);
1878 InvalidateRect(infoPtr->hwndSelf, &lpItem->rect, FALSE);
1879 UpdateWindow(infoPtr->hwndSelf);
1880
1881 HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ITEMCHANGEDW, infoPtr->iMoveItem, HDI_WIDTH, nWidth);
1882 }
1883 }
1884 else {
1885 INT iTrackWidth;
1886 hdc = GetDC (infoPtr->hwndSelf);
1887 HEADER_DrawTrackLine (infoPtr, hdc, infoPtr->xOldTrack);
1888 infoPtr->xOldTrack = pt.x + infoPtr->xTrackOffset;
1889 if (infoPtr->xOldTrack < infoPtr->items[infoPtr->iMoveItem].rect.left)
1890 infoPtr->xOldTrack = infoPtr->items[infoPtr->iMoveItem].rect.left;
1891 HEADER_DrawTrackLine (infoPtr, hdc, infoPtr->xOldTrack);
1892 ReleaseDC (infoPtr->hwndSelf, hdc);
1893 iTrackWidth = infoPtr->xOldTrack - infoPtr->items[infoPtr->iMoveItem].rect.left;
1894 /* FIXME: should stop tracking if HDN_TRACK returns TRUE */
1895 HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_TRACKW, infoPtr->iMoveItem, HDI_WIDTH, iTrackWidth);
1896 }
1897
1898 TRACE("Tracking item %d!\n", infoPtr->iMoveItem);
1899 }
1900 }
1901
1902 if (hotTrackEnabled) {
1903 TRACKMOUSEEVENT tme;
1904 if (oldHotItem != infoPtr->iHotItem && !infoPtr->bDragging) {
1905 hdc = GetDC (infoPtr->hwndSelf);
1906 if (oldHotItem != -1) HEADER_RefreshItem (infoPtr, oldHotItem);
1907 if (infoPtr->iHotItem != -1) HEADER_RefreshItem (infoPtr, infoPtr->iHotItem);
1908 ReleaseDC (infoPtr->hwndSelf, hdc);
1909 }
1910 tme.cbSize = sizeof( tme );
1911 tme.dwFlags = TME_LEAVE;
1912 tme.hwndTrack = infoPtr->hwndSelf;
1913 TrackMouseEvent( &tme );
1914 }
1915
1916 return 0;
1917 }
1918
1919
1920 static LRESULT
1921 HEADER_Paint (HEADER_INFO *infoPtr, HDC hdcParam)
1922 {
1923 HDC hdc;
1924 PAINTSTRUCT ps;
1925
1926 hdc = hdcParam==0 ? BeginPaint (infoPtr->hwndSelf, &ps) : hdcParam;
1927 HEADER_Refresh (infoPtr, hdc);
1928 if(!hdcParam)
1929 EndPaint (infoPtr->hwndSelf, &ps);
1930 return 0;
1931 }
1932
1933
1934 static LRESULT
1935 HEADER_RButtonUp (HEADER_INFO *infoPtr, INT x, INT y)
1936 {
1937 BOOL bRet;
1938 POINT pt;
1939
1940 pt.x = x;
1941 pt.y = y;
1942
1943 /* Send a Notify message */
1944 bRet = HEADER_SendSimpleNotify (infoPtr, NM_RCLICK);
1945
1946 /* Change to screen coordinate for WM_CONTEXTMENU */
1947 ClientToScreen(infoPtr->hwndSelf, &pt);
1948
1949 /* Send a WM_CONTEXTMENU message in response to the RBUTTONUP */
1950 SendMessageW( infoPtr->hwndSelf, WM_CONTEXTMENU, (WPARAM) infoPtr->hwndSelf, MAKELPARAM(pt.x, pt.y));
1951
1952 return bRet;
1953 }
1954
1955
1956 static LRESULT
1957 HEADER_SetCursor (HEADER_INFO *infoPtr, LPARAM lParam)
1958 {
1959 POINT pt;
1960 UINT flags;
1961 INT nItem;
1962
1963 TRACE("code=0x%X id=0x%X\n", LOWORD(lParam), HIWORD(lParam));
1964
1965 GetCursorPos (&pt);
1966 ScreenToClient (infoPtr->hwndSelf, &pt);
1967
1968 HEADER_InternalHitTest (infoPtr, &pt, &flags, &nItem);
1969
1970 if (flags == HHT_ONDIVIDER)
1971 SetCursor (infoPtr->hcurDivider);
1972 else if (flags == HHT_ONDIVOPEN)
1973 SetCursor (infoPtr->hcurDivopen);
1974 else
1975 SetCursor (infoPtr->hcurArrow);
1976
1977 return 0;
1978 }
1979
1980
1981 static LRESULT
1982 HEADER_SetFont (HEADER_INFO *infoPtr, HFONT hFont, WORD Redraw)
1983 {
1984 TEXTMETRICW tm;
1985 HFONT hOldFont;
1986 HDC hdc;
1987
1988 infoPtr->hFont = hFont;
1989
1990 hdc = GetDC (0);
1991 hOldFont = SelectObject (hdc, infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT));
1992 GetTextMetricsW (hdc, &tm);
1993 infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
1994 SelectObject (hdc, hOldFont);
1995 ReleaseDC (0, hdc);
1996
1997 infoPtr->bRectsValid = FALSE;
1998
1999 if (Redraw) {
2000 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
2001 }
2002
2003 return 0;
2004 }
2005
2006 static LRESULT HEADER_SetRedraw(HEADER_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
2007 {
2008 /* ignoring the InvalidateRect calls is handled by user32. But some apps expect
2009 * that we invalidate the header and this has to be done manually */
2010 LRESULT ret;
2011
2012 ret = DefWindowProcW(infoPtr->hwndSelf, WM_SETREDRAW, wParam, lParam);
2013 if (wParam)
2014 InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
2015 return ret;
2016 }
2017
2018 static INT HEADER_StyleChanged(HEADER_INFO *infoPtr, WPARAM wStyleType,
2019 const STYLESTRUCT *lpss)
2020 {
2021 TRACE("(styletype=%lx, styleOld=0x%08x, styleNew=0x%08x)\n",
2022 wStyleType, lpss->styleOld, lpss->styleNew);
2023
2024 if (wStyleType != GWL_STYLE) return 0;
2025
2026 infoPtr->dwStyle = lpss->styleNew;
2027
2028 return 0;
2029 }
2030
2031 /* Update the theme handle after a theme change */
2032 static LRESULT HEADER_ThemeChanged(const HEADER_INFO *infoPtr)
2033 {
2034 HTHEME theme = GetWindowTheme(infoPtr->hwndSelf);
2035 CloseThemeData(theme);
2036 OpenThemeData(infoPtr->hwndSelf, themeClass);
2037 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
2038 return 0;
2039 }
2040
2041
2042 static LRESULT WINAPI
2043 HEADER_WindowProc (HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
2044 {
2045 HEADER_INFO *infoPtr = (HEADER_INFO *)GetWindowLongPtrW(hwnd, 0);
2046
2047 TRACE("hwnd=%p msg=%x wparam=%lx lParam=%lx\n", hwnd, msg, wParam, lParam);
2048 if (!infoPtr && (msg != WM_CREATE))
2049 return DefWindowProcW (hwnd, msg, wParam, lParam);
2050 switch (msg) {
2051 /* case HDM_CLEARFILTER: */
2052
2053 case HDM_CREATEDRAGIMAGE:
2054 return HEADER_CreateDragImage (infoPtr, (INT)wParam);
2055
2056 case HDM_DELETEITEM:
2057 return HEADER_DeleteItem (infoPtr, (INT)wParam);
2058
2059 /* case HDM_EDITFILTER: */
2060
2061 case HDM_GETBITMAPMARGIN:
2062 return HEADER_GetBitmapMargin(infoPtr);
2063
2064 case HDM_GETIMAGELIST:
2065 return HEADER_GetImageList (infoPtr);
2066
2067 case HDM_GETITEMA:
2068 case HDM_GETITEMW:
2069 return HEADER_GetItemT (infoPtr, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_GETITEMW);
2070
2071 case HDM_GETITEMCOUNT:
2072 return HEADER_GetItemCount (infoPtr);
2073
2074 case HDM_GETITEMRECT:
2075 return HEADER_GetItemRect (infoPtr, (INT)wParam, (LPRECT)lParam);
2076
2077 case HDM_GETORDERARRAY:
2078 return HEADER_GetOrderArray(infoPtr, (INT)wParam, (LPINT)lParam);
2079
2080 case HDM_GETUNICODEFORMAT:
2081 return HEADER_GetUnicodeFormat (infoPtr);
2082
2083 case HDM_HITTEST:
2084 return HEADER_HitTest (infoPtr, (LPHDHITTESTINFO)lParam);
2085
2086 case HDM_INSERTITEMA:
2087 case HDM_INSERTITEMW:
2088 return HEADER_InsertItemT (infoPtr, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_INSERTITEMW);
2089
2090 case HDM_LAYOUT:
2091 return HEADER_Layout (infoPtr, (LPHDLAYOUT)lParam);
2092
2093 case HDM_ORDERTOINDEX:
2094 return HEADER_OrderToIndex(infoPtr, (INT)wParam);
2095
2096 case HDM_SETBITMAPMARGIN:
2097 return HEADER_SetBitmapMargin(infoPtr, (INT)wParam);
2098
2099 /* case HDM_SETFILTERCHANGETIMEOUT: */
2100
2101 case HDM_SETHOTDIVIDER:
2102 return HEADER_SetHotDivider(infoPtr, wParam, lParam);
2103
2104 case HDM_SETIMAGELIST:
2105 return HEADER_SetImageList (infoPtr, (HIMAGELIST)lParam);
2106
2107 case HDM_SETITEMA:
2108 case HDM_SETITEMW:
2109 return HEADER_SetItemT (infoPtr, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_SETITEMW);
2110
2111 case HDM_SETORDERARRAY:
2112 return HEADER_SetOrderArray(infoPtr, (INT)wParam, (LPINT)lParam);
2113
2114 case HDM_SETUNICODEFORMAT:
2115 return HEADER_SetUnicodeFormat (infoPtr, wParam);
2116
2117 case WM_CREATE:
2118 return HEADER_Create (hwnd, (LPCREATESTRUCTW)lParam);
2119
2120 case WM_DESTROY:
2121 return HEADER_Destroy (infoPtr);
2122
2123 case WM_NCDESTROY:
2124 return HEADER_NCDestroy (infoPtr);
2125
2126 case WM_ERASEBKGND:
2127 return 1;
2128
2129 case WM_GETDLGCODE:
2130 return DLGC_WANTTAB | DLGC_WANTARROWS;
2131
2132 case WM_GETFONT:
2133 return HEADER_GetFont (infoPtr);
2134
2135 case WM_LBUTTONDBLCLK:
2136 return HEADER_LButtonDblClk (infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam));
2137
2138 case WM_LBUTTONDOWN:
2139 return HEADER_LButtonDown (infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam));
2140
2141 case WM_LBUTTONUP:
2142 return HEADER_LButtonUp (infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam));
2143
2144 case WM_MOUSELEAVE:
2145 return HEADER_MouseLeave (infoPtr);
2146
2147 case WM_MOUSEMOVE:
2148 return HEADER_MouseMove (infoPtr, lParam);
2149
2150 case WM_NOTIFYFORMAT:
2151 return HEADER_NotifyFormat (infoPtr, wParam, lParam);
2152
2153 case WM_SIZE:
2154 return HEADER_Size (infoPtr);
2155
2156 case WM_THEMECHANGED:
2157 return HEADER_ThemeChanged (infoPtr);
2158
2159 case WM_PRINTCLIENT:
2160 case WM_PAINT:
2161 return HEADER_Paint (infoPtr, (HDC)wParam);
2162
2163 case WM_RBUTTONUP:
2164 return HEADER_RButtonUp (infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam));
2165
2166 case WM_SETCURSOR:
2167 return HEADER_SetCursor (infoPtr, lParam);
2168
2169 case WM_SETFONT:
2170 return HEADER_SetFont (infoPtr, (HFONT)wParam, (WORD)lParam);
2171
2172 case WM_SETREDRAW:
2173 return HEADER_SetRedraw(infoPtr, wParam, lParam);
2174
2175 case WM_STYLECHANGED:
2176 return HEADER_StyleChanged(infoPtr, wParam, (LPSTYLESTRUCT)lParam);
2177
2178 case WM_SYSCOLORCHANGE:
2179 COMCTL32_RefreshSysColors();
2180 return 0;
2181
2182 default:
2183 if ((msg >= WM_USER) && (msg < WM_APP) && !COMCTL32_IsReflectedMessage(msg))
2184 ERR("unknown msg %04x wp=%04lx lp=%08lx\n",
2185 msg, wParam, lParam );
2186 return DefWindowProcW(hwnd, msg, wParam, lParam);
2187 }
2188 }
2189
2190
2191 VOID
2192 HEADER_Register (void)
2193 {
2194 WNDCLASSW wndClass;
2195
2196 ZeroMemory (&wndClass, sizeof(WNDCLASSW));
2197 wndClass.style = CS_GLOBALCLASS | CS_DBLCLKS;
2198 wndClass.lpfnWndProc = HEADER_WindowProc;
2199 wndClass.cbClsExtra = 0;
2200 wndClass.cbWndExtra = sizeof(HEADER_INFO *);
2201 wndClass.hCursor = LoadCursorW (0, (LPWSTR)IDC_ARROW);
2202 wndClass.lpszClassName = WC_HEADERW;
2203
2204 RegisterClassW (&wndClass);
2205 }
2206
2207
2208 VOID
2209 HEADER_Unregister (void)
2210 {
2211 UnregisterClassW (WC_HEADERW, NULL);
2212 }
Maarten's multimedia branch