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wininet: Fix sockets leak in FTP_Connect.
[wine.git] / dlls / comctl32 / header.c
blob1486a8ae36d37c7146f8b520da363e5de11007f1
1 /*
2 * Header control
3 *
4 * Copyright 1998 Eric Kohl
5 * Copyright 2000 Eric Kohl for CodeWeavers
6 * Copyright 2003 Maxime Bellenge
7 * Copyright 2006 Mikolaj Zalewski
8 *
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
13 *
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
18 *
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22 *
23 * TODO:
24 * - Imagelist support (completed?)
25 * - Hottrack support (completed?)
26 * - Filters support (HDS_FILTER, HDI_FILTER, HDM_*FILTER*, HDN_*FILTER*)
27 * - New Windows Vista features
28 */
29
30 #include <stdarg.h>
31 #include <stdlib.h>
32 #include <string.h>
33
34 #include "windef.h"
35 #include "winbase.h"
36 #include "wine/unicode.h"
37 #include "wingdi.h"
38 #include "winuser.h"
39 #include "winnls.h"
40 #include "commctrl.h"
41 #include "comctl32.h"
42 #include "imagelist.h"
43 #include "tmschema.h"
44 #include "uxtheme.h"
45 #include "wine/debug.h"
46
47 WINE_DEFAULT_DEBUG_CHANNEL(header);
48
49 typedef struct
50 {
51 INT cxy;
52 HBITMAP hbm;
53 LPWSTR pszText;
54 INT fmt;
55 LPARAM lParam;
56 INT iImage;
57 INT iOrder; /* see documentation of HD_ITEM */
58
59 BOOL bDown; /* is item pressed? (used for drawing) */
60 RECT rect; /* bounding rectangle of the item */
61 DWORD callbackMask; /* HDI_* flags for items that are callback */
62 } HEADER_ITEM;
63
64
65 typedef struct
66 {
67 HWND hwndSelf; /* Control window */
68 HWND hwndNotify; /* Owner window to send notifications to */
69 INT nNotifyFormat; /* format used for WM_NOTIFY messages */
70 UINT uNumItem; /* number of items (columns) */
71 INT nHeight; /* height of the header (pixels) */
72 HFONT hFont; /* handle to the current font */
73 HCURSOR hcurArrow; /* handle to the arrow cursor */
74 HCURSOR hcurDivider; /* handle to a cursor (used over dividers) <-|-> */
75 HCURSOR hcurDivopen; /* handle to a cursor (used over dividers) <-||-> */
76 BOOL bCaptured; /* Is the mouse captured? */
77 BOOL bPressed; /* Is a header item pressed (down)? */
78 BOOL bDragging; /* Are we dragging an item? */
79 BOOL bTracking; /* Is in tracking mode? */
80 POINT ptLButtonDown; /* The point where the left button was pressed */
81 DWORD dwStyle; /* the cached window GWL_STYLE */
82 INT iMoveItem; /* index of tracked item. (Tracking mode) */
83 INT xTrackOffset; /* distance between the right side of the tracked item and the cursor */
84 INT xOldTrack; /* track offset (see above) after the last WM_MOUSEMOVE */
85 INT iHotItem; /* index of hot item (cursor is over this item) */
86 INT iHotDivider; /* index of the hot divider (used while dragging an item or by HDM_SETHOTDIVIDER) */
87 INT iMargin; /* width of the margin that surrounds a bitmap */
88
89 HIMAGELIST himl; /* handle to an image list (may be 0) */
90 HEADER_ITEM *items; /* pointer to array of HEADER_ITEM's */
91 INT *order; /* array of item IDs indexed by order */
92 BOOL bRectsValid; /* validity flag for bounding rectangles */
93 } HEADER_INFO;
94
95
96 #define VERT_BORDER 4
97 #define DIVIDER_WIDTH 10
98 #define HOT_DIVIDER_WIDTH 2
99 #define MAX_HEADER_TEXT_LEN 260
100 #define HDN_UNICODE_OFFSET 20
101 #define HDN_FIRST_UNICODE (HDN_FIRST-HDN_UNICODE_OFFSET)
102
103 #define HDI_SUPPORTED_FIELDS (HDI_WIDTH|HDI_TEXT|HDI_FORMAT|HDI_LPARAM|HDI_BITMAP|HDI_IMAGE|HDI_ORDER)
104 #define HDI_UNSUPPORTED_FIELDS (HDI_FILTER)
105 #define HDI_UNKNOWN_FIELDS (~(HDI_SUPPORTED_FIELDS|HDI_UNSUPPORTED_FIELDS|HDI_DI_SETITEM))
106 #define HDI_COMCTL32_4_0_FIELDS (HDI_WIDTH|HDI_TEXT|HDI_FORMAT|HDI_LPARAM|HDI_BITMAP)
107
108
109 static BOOL HEADER_PrepareCallbackItems(const HEADER_INFO *infoPtr, INT iItem, INT reqMask);
110 static void HEADER_FreeCallbackItems(HEADER_ITEM *lpItem);
111 static LRESULT HEADER_SendNotify(const HEADER_INFO *infoPtr, UINT code, NMHDR *hdr);
112 static LRESULT HEADER_SendCtrlCustomDraw(const HEADER_INFO *infoPtr, DWORD dwDrawStage, HDC hdc, const RECT *rect);
113
114 static const WCHAR themeClass[] = {'H','e','a','d','e','r',0};
115
116 static void HEADER_StoreHDItemInHeader(HEADER_ITEM *lpItem, UINT mask, const HDITEMW *phdi, BOOL fUnicode)
117 {
118 if (mask & HDI_UNSUPPORTED_FIELDS)
119 FIXME("unsupported header fields %x\n", (mask & HDI_UNSUPPORTED_FIELDS));
120
121 if (mask & HDI_BITMAP)
122 lpItem->hbm = phdi->hbm;
123
124 if (mask & HDI_FORMAT)
125 lpItem->fmt = phdi->fmt;
126
127 if (mask & HDI_LPARAM)
128 lpItem->lParam = phdi->lParam;
129
130 if (mask & HDI_WIDTH)
131 lpItem->cxy = phdi->cxy;
132
133 if (mask & HDI_IMAGE)
134 {
135 lpItem->iImage = phdi->iImage;
136 if (phdi->iImage == I_IMAGECALLBACK)
137 lpItem->callbackMask |= HDI_IMAGE;
138 else
139 lpItem->callbackMask &= ~HDI_IMAGE;
140 }
141
142 if (mask & HDI_TEXT)
143 {
144 Free(lpItem->pszText);
145 lpItem->pszText = NULL;
146
147 if (phdi->pszText != LPSTR_TEXTCALLBACKW) /* covers != TEXTCALLBACKA too */
148 {
149 static const WCHAR emptyString[] = {0};
150
151 LPCWSTR pszText = (phdi->pszText != NULL ? phdi->pszText : emptyString);
152 if (fUnicode)
153 Str_SetPtrW(&lpItem->pszText, pszText);
154 else
155 Str_SetPtrAtoW(&lpItem->pszText, (LPCSTR)pszText);
156 lpItem->callbackMask &= ~HDI_TEXT;
157 }
158 else
159 {
160 lpItem->pszText = NULL;
161 lpItem->callbackMask |= HDI_TEXT;
162 }
163 }
164 }
165
166 static inline LRESULT
167 HEADER_IndexToOrder (const HEADER_INFO *infoPtr, INT iItem)
168 {
169 HEADER_ITEM *lpItem = &infoPtr->items[iItem];
170 return lpItem->iOrder;
171 }
172
173
174 static INT
175 HEADER_OrderToIndex(const HEADER_INFO *infoPtr, INT iorder)
176 {
177 if ((iorder <0) || iorder >= infoPtr->uNumItem)
178 return iorder;
179 return infoPtr->order[iorder];
180 }
181
182 static void
183 HEADER_ChangeItemOrder(const HEADER_INFO *infoPtr, INT iItem, INT iNewOrder)
184 {
185 HEADER_ITEM *lpItem = &infoPtr->items[iItem];
186 INT i, nMin, nMax;
187
188 TRACE("%d: %d->%d\n", iItem, lpItem->iOrder, iNewOrder);
189 if (lpItem->iOrder < iNewOrder)
190 {
191 memmove(&infoPtr->order[lpItem->iOrder],
192 &infoPtr->order[lpItem->iOrder + 1],
193 (iNewOrder - lpItem->iOrder) * sizeof(INT));
194 }
195 if (iNewOrder < lpItem->iOrder)
196 {
197 memmove(&infoPtr->order[iNewOrder + 1],
198 &infoPtr->order[iNewOrder],
199 (lpItem->iOrder - iNewOrder) * sizeof(INT));
200 }
201 infoPtr->order[iNewOrder] = iItem;
202 nMin = min(lpItem->iOrder, iNewOrder);
203 nMax = max(lpItem->iOrder, iNewOrder);
204 for (i = nMin; i <= nMax; i++)
205 infoPtr->items[infoPtr->order[i]].iOrder = i;
206 }
207
208 /* Note: if iItem is the last item then this function returns infoPtr->uNumItem */
209 static INT
210 HEADER_NextItem(const HEADER_INFO *infoPtr, INT iItem)
211 {
212 return HEADER_OrderToIndex(infoPtr, HEADER_IndexToOrder(infoPtr, iItem)+1);
213 }
214
215 static INT
216 HEADER_PrevItem(const HEADER_INFO *infoPtr, INT iItem)
217 {
218 return HEADER_OrderToIndex(infoPtr, HEADER_IndexToOrder(infoPtr, iItem)-1);
219 }
220
221 static void
222 HEADER_SetItemBounds (HEADER_INFO *infoPtr)
223 {
224 HEADER_ITEM *phdi;
225 RECT rect;
226 unsigned int i;
227 int x;
228
229 infoPtr->bRectsValid = TRUE;
230
231 if (infoPtr->uNumItem == 0)
232 return;
233
234 GetClientRect (infoPtr->hwndSelf, &rect);
235
236 x = rect.left;
237 for (i = 0; i < infoPtr->uNumItem; i++) {
238 phdi = &infoPtr->items[HEADER_OrderToIndex(infoPtr,i)];
239 phdi->rect.top = rect.top;
240 phdi->rect.bottom = rect.bottom;
241 phdi->rect.left = x;
242 phdi->rect.right = phdi->rect.left + ((phdi->cxy>0)?phdi->cxy:0);
243 x = phdi->rect.right;
244 }
245 }
246
247 static LRESULT
248 HEADER_Size (HEADER_INFO *infoPtr)
249 {
250 infoPtr->bRectsValid = FALSE;
251
252 return 0;
253 }
254
255 static void HEADER_GetHotDividerRect(const HEADER_INFO *infoPtr, RECT *r)
256 {
257 INT iDivider = infoPtr->iHotDivider;
258 if (infoPtr->uNumItem > 0)
259 {
260 HEADER_ITEM *lpItem;
261
262 if (iDivider < infoPtr->uNumItem)
263 {
264 lpItem = &infoPtr->items[iDivider];
265 r->left = lpItem->rect.left - HOT_DIVIDER_WIDTH/2;
266 r->right = lpItem->rect.left + HOT_DIVIDER_WIDTH/2;
267 }
268 else
269 {
270 lpItem = &infoPtr->items[HEADER_OrderToIndex(infoPtr, infoPtr->uNumItem-1)];
271 r->left = lpItem->rect.right - HOT_DIVIDER_WIDTH/2;
272 r->right = lpItem->rect.right + HOT_DIVIDER_WIDTH/2;
273 }
274 r->top = lpItem->rect.top;
275 r->bottom = lpItem->rect.bottom;
276 }
277 else
278 {
279 RECT clientRect;
280 GetClientRect(infoPtr->hwndSelf, &clientRect);
281 *r = clientRect;
282 r->right = r->left + HOT_DIVIDER_WIDTH/2;
283 }
284 }
285
286
287 static INT
288 HEADER_DrawItem (HEADER_INFO *infoPtr, HDC hdc, INT iItem, BOOL bHotTrack, LRESULT lCDFlags)
289 {
290 HEADER_ITEM *phdi = &infoPtr->items[iItem];
291 RECT r;
292 INT oldBkMode;
293 HTHEME theme = GetWindowTheme (infoPtr->hwndSelf);
294 NMCUSTOMDRAW nmcd;
295
296 TRACE("DrawItem(iItem %d bHotTrack %d unicode flag %d)\n", iItem, bHotTrack, (infoPtr->nNotifyFormat == NFR_UNICODE));
297
298 r = phdi->rect;
299 if (r.right - r.left == 0)
300 return phdi->rect.right;
301
302 /* Set the colors before sending NM_CUSTOMDRAW so that it can change them */
303 SetTextColor(hdc, (bHotTrack && !theme) ? COLOR_HIGHLIGHT : COLOR_BTNTEXT);
304 SetBkColor(hdc, comctl32_color.clr3dFace);
305
306 if (lCDFlags & CDRF_NOTIFYITEMDRAW && !(phdi->fmt & HDF_OWNERDRAW))
307 {
308 LRESULT lCDItemFlags;
309
310 nmcd.dwDrawStage = CDDS_PREPAINT | CDDS_ITEM;
311 nmcd.hdc = hdc;
312 nmcd.dwItemSpec = iItem;
313 nmcd.rc = r;
314 nmcd.uItemState = phdi->bDown ? CDIS_SELECTED : 0;
315 nmcd.lItemlParam = phdi->lParam;
316
317 lCDItemFlags = HEADER_SendNotify(infoPtr, NM_CUSTOMDRAW, (NMHDR *)&nmcd);
318 if (lCDItemFlags & CDRF_SKIPDEFAULT)
319 return phdi->rect.right;
320 }
321
322 if (theme != NULL) {
323 int state = (phdi->bDown) ? HIS_PRESSED :
324 (bHotTrack ? HIS_HOT : HIS_NORMAL);
325 DrawThemeBackground (theme, hdc, HP_HEADERITEM, state,
326 &r, NULL);
327 GetThemeBackgroundContentRect (theme, hdc, HP_HEADERITEM, state,
328 &r, &r);
329 }
330 else {
331 HBRUSH hbr;
332
333 if (!(infoPtr->dwStyle & HDS_FLAT))
334 {
335 if (infoPtr->dwStyle & HDS_BUTTONS) {
336 if (phdi->bDown) {
337 DrawEdge (hdc, &r, BDR_RAISEDOUTER,
338 BF_RECT | BF_FLAT | BF_MIDDLE | BF_ADJUST);
339 }
340 else
341 DrawEdge (hdc, &r, EDGE_RAISED,
342 BF_RECT | BF_SOFT | BF_MIDDLE | BF_ADJUST);
343 }
344 else
345 DrawEdge (hdc, &r, EDGE_ETCHED, BF_BOTTOM | BF_RIGHT | BF_ADJUST);
346 }
347
348 hbr = CreateSolidBrush(GetBkColor(hdc));
349 FillRect(hdc, &r, hbr);
350 DeleteObject(hbr);
351 }
352 if (phdi->bDown) {
353 r.left += 2;
354 r.top += 2;
355 }
356
357 if (phdi->fmt & HDF_OWNERDRAW) {
358 DRAWITEMSTRUCT dis;
359
360 dis.CtlType = ODT_HEADER;
361 dis.CtlID = GetWindowLongPtrW (infoPtr->hwndSelf, GWLP_ID);
362 dis.itemID = iItem;
363 dis.itemAction = ODA_DRAWENTIRE;
364 dis.itemState = phdi->bDown ? ODS_SELECTED : 0;
365 dis.hwndItem = infoPtr->hwndSelf;
366 dis.hDC = hdc;
367 dis.rcItem = phdi->rect;
368 dis.itemData = phdi->lParam;
369 oldBkMode = SetBkMode(hdc, TRANSPARENT);
370 SendMessageW (infoPtr->hwndNotify, WM_DRAWITEM,
371 (WPARAM)dis.CtlID, (LPARAM)&dis);
372 if (oldBkMode != TRANSPARENT)
373 SetBkMode(hdc, oldBkMode);
374 }
375 else {
376 UINT rw, rh, /* width and height of r */
377 *x = NULL, *w = NULL; /* x and width of the pic (bmp or img) which is part of cnt */
378 /* cnt,txt,img,bmp */
379 UINT cx, tx, ix, bx,
380 cw, tw, iw, bw;
381 BITMAP bmp;
382
383 HEADER_PrepareCallbackItems(infoPtr, iItem, HDI_TEXT|HDI_IMAGE);
384 cw = tw = iw = bw = 0;
385 rw = r.right - r.left;
386 rh = r.bottom - r.top;
387
388 if (phdi->fmt & HDF_STRING) {
389 RECT textRect;
390
391 SetRectEmpty(&textRect);
392 DrawTextW (hdc, phdi->pszText, -1,
393 &textRect, DT_LEFT|DT_VCENTER|DT_SINGLELINE|DT_CALCRECT);
394 cw = textRect.right - textRect.left + 2 * infoPtr->iMargin;
395 }
396
397 if ((phdi->fmt & HDF_IMAGE) && (infoPtr->himl)) {
398 iw = infoPtr->himl->cx + 2 * infoPtr->iMargin;
399 x = &ix;
400 w = &iw;
401 }
402
403 if ((phdi->fmt & HDF_BITMAP) && (phdi->hbm)) {
404 GetObjectW (phdi->hbm, sizeof(BITMAP), &bmp);
405 bw = bmp.bmWidth + 2 * infoPtr->iMargin;
406 if (!iw) {
407 x = &bx;
408 w = &bw;
409 }
410 }
411
412 if (bw || iw)
413 cw += *w;
414
415 /* align cx using the unclipped cw */
416 if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_LEFT)
417 cx = r.left;
418 else if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_CENTER)
419 cx = r.left + rw / 2 - cw / 2;
420 else /* HDF_RIGHT */
421 cx = r.right - cw;
422
423 /* clip cx & cw */
424 if (cx < r.left)
425 cx = r.left;
426 if (cx + cw > r.right)
427 cw = r.right - cx;
428
429 tx = cx + infoPtr->iMargin;
430 /* since cw might have changed we have to recalculate tw */
431 tw = cw - infoPtr->iMargin * 2;
432
433 if (iw || bw) {
434 tw -= *w;
435 if (phdi->fmt & HDF_BITMAP_ON_RIGHT) {
436 /* put pic behind text */
437 *x = cx + tw + infoPtr->iMargin * 3;
438 } else {
439 *x = cx + infoPtr->iMargin;
440 /* move text behind pic */
441 tx += *w;
442 }
443 }
444
445 if (iw && bw) {
446 /* since we're done with the layout we can
447 now calculate the position of bmp which
448 has no influence on alignment and layout
449 because of img */
450 if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_RIGHT)
451 bx = cx - bw + infoPtr->iMargin;
452 else
453 bx = cx + cw + infoPtr->iMargin;
454 }
455
456 if (iw || bw) {
457 HDC hClipDC = GetDC(infoPtr->hwndSelf);
458 HRGN hClipRgn = CreateRectRgn(r.left, r.top, r.right, r.bottom);
459 SelectClipRgn(hClipDC, hClipRgn);
460
461 if (bw) {
462 HDC hdcBitmap = CreateCompatibleDC (hClipDC);
463 SelectObject (hdcBitmap, phdi->hbm);
464 BitBlt (hClipDC, bx, r.top + ((INT)rh - bmp.bmHeight) / 2,
465 bmp.bmWidth, bmp.bmHeight, hdcBitmap, 0, 0, SRCCOPY);
466 DeleteDC (hdcBitmap);
467 }
468
469 if (iw) {
470 ImageList_DrawEx (infoPtr->himl, phdi->iImage, hClipDC,
471 ix, r.top + ((INT)rh - infoPtr->himl->cy) / 2,
472 infoPtr->himl->cx, infoPtr->himl->cy, CLR_DEFAULT, CLR_DEFAULT, 0);
473 }
474
475 DeleteObject(hClipRgn);
476 ReleaseDC(infoPtr->hwndSelf, hClipDC);
477 }
478
479 if (((phdi->fmt & HDF_STRING)
480 || (!(phdi->fmt & (HDF_OWNERDRAW|HDF_STRING|HDF_BITMAP|
481 HDF_BITMAP_ON_RIGHT|HDF_IMAGE)))) /* no explicit format specified? */
482 && (phdi->pszText)) {
483 oldBkMode = SetBkMode(hdc, TRANSPARENT);
484 r.left = tx;
485 r.right = tx + tw;
486 DrawTextW (hdc, phdi->pszText, -1,
487 &r, DT_LEFT|DT_END_ELLIPSIS|DT_VCENTER|DT_SINGLELINE);
488 if (oldBkMode != TRANSPARENT)
489 SetBkMode(hdc, oldBkMode);
490 }
491 HEADER_FreeCallbackItems(phdi);
492 }/*Ownerdrawn*/
493
494 return phdi->rect.right;
495 }
496
497 static void
498 HEADER_DrawHotDivider(const HEADER_INFO *infoPtr, HDC hdc)
499 {
500 HBRUSH brush;
501 RECT r;
502
503 HEADER_GetHotDividerRect(infoPtr, &r);
504 brush = CreateSolidBrush(comctl32_color.clrHighlight);
505 FillRect(hdc, &r, brush);
506 DeleteObject(brush);
507 }
508
509 static void
510 HEADER_Refresh (HEADER_INFO *infoPtr, HDC hdc)
511 {
512 HFONT hFont, hOldFont;
513 RECT rect, rcRest;
514 HBRUSH hbrBk;
515 UINT i;
516 INT x;
517 LRESULT lCDFlags;
518 HTHEME theme = GetWindowTheme (infoPtr->hwndSelf);
519
520 if (!infoPtr->bRectsValid)
521 HEADER_SetItemBounds(infoPtr);
522
523 /* get rect for the bar, adjusted for the border */
524 GetClientRect (infoPtr->hwndSelf, &rect);
525 lCDFlags = HEADER_SendCtrlCustomDraw(infoPtr, CDDS_PREPAINT, hdc, &rect);
526
527 if (infoPtr->bDragging)
528 ImageList_DragShowNolock(FALSE);
529
530 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT);
531 hOldFont = SelectObject (hdc, hFont);
532
533 /* draw Background */
534 if (infoPtr->uNumItem == 0 && theme == NULL) {
535 hbrBk = GetSysColorBrush(COLOR_3DFACE);
536 FillRect(hdc, &rect, hbrBk);
537 }
538
539 x = rect.left;
540 for (i = 0; x <= rect.right && i < infoPtr->uNumItem; i++) {
541 int idx = HEADER_OrderToIndex(infoPtr,i);
542 if (RectVisible(hdc, &infoPtr->items[idx].rect))
543 HEADER_DrawItem(infoPtr, hdc, idx, infoPtr->iHotItem == idx, lCDFlags);
544 x = infoPtr->items[idx].rect.right;
545 }
546
547 rcRest = rect;
548 rcRest.left = x;
549 if ((x <= rect.right) && RectVisible(hdc, &rcRest) && (infoPtr->uNumItem > 0)) {
550 if (theme != NULL) {
551 DrawThemeBackground(theme, hdc, HP_HEADERITEM, HIS_NORMAL, &rcRest, NULL);
552 }
553 else if (infoPtr->dwStyle & HDS_FLAT) {
554 hbrBk = GetSysColorBrush(COLOR_3DFACE);
555 FillRect(hdc, &rcRest, hbrBk);
556 }
557 else
558 {
559 if (infoPtr->dwStyle & HDS_BUTTONS)
560 DrawEdge (hdc, &rcRest, EDGE_RAISED, BF_TOP|BF_LEFT|BF_BOTTOM|BF_SOFT|BF_MIDDLE);
561 else
562 DrawEdge (hdc, &rcRest, EDGE_ETCHED, BF_BOTTOM|BF_MIDDLE);
563 }
564 }
565
566 if (infoPtr->iHotDivider != -1)
567 HEADER_DrawHotDivider(infoPtr, hdc);
568
569 if (infoPtr->bDragging)
570 ImageList_DragShowNolock(TRUE);
571 SelectObject (hdc, hOldFont);
572
573 if (lCDFlags & CDRF_NOTIFYPOSTPAINT)
574 HEADER_SendCtrlCustomDraw(infoPtr, CDDS_POSTPAINT, hdc, &rect);
575 }
576
577
578 static void
579 HEADER_RefreshItem (HEADER_INFO *infoPtr, INT iItem)
580 {
581 if (!infoPtr->bRectsValid)
582 HEADER_SetItemBounds(infoPtr);
583
584 InvalidateRect(infoPtr->hwndSelf, &infoPtr->items[iItem].rect, FALSE);
585 }
586
587
588 static void
589 HEADER_InternalHitTest (const HEADER_INFO *infoPtr, const POINT *lpPt, UINT *pFlags, INT *pItem)
590 {
591 RECT rect, rcTest;
592 UINT iCount;
593 INT width;
594 BOOL bNoWidth;
595
596 GetClientRect (infoPtr->hwndSelf, &rect);
597
598 *pFlags = 0;
599 bNoWidth = FALSE;
600 if (PtInRect (&rect, *lpPt))
601 {
602 if (infoPtr->uNumItem == 0) {
603 *pFlags |= HHT_NOWHERE;
604 *pItem = 1;
605 TRACE("NOWHERE\n");
606 return;
607 }
608 else {
609 /* somewhere inside */
610 for (iCount = 0; iCount < infoPtr->uNumItem; iCount++) {
611 rect = infoPtr->items[iCount].rect;
612 width = rect.right - rect.left;
613 if (width == 0) {
614 bNoWidth = TRUE;
615 continue;
616 }
617 if (PtInRect (&rect, *lpPt)) {
618 if (width <= 2 * DIVIDER_WIDTH) {
619 *pFlags |= HHT_ONHEADER;
620 *pItem = iCount;
621 TRACE("ON HEADER %d\n", iCount);
622 return;
623 }
624 if (HEADER_IndexToOrder(infoPtr, iCount) > 0) {
625 rcTest = rect;
626 rcTest.right = rcTest.left + DIVIDER_WIDTH;
627 if (PtInRect (&rcTest, *lpPt)) {
628 if (bNoWidth) {
629 *pFlags |= HHT_ONDIVOPEN;
630 *pItem = HEADER_PrevItem(infoPtr, iCount);
631 TRACE("ON DIVOPEN %d\n", *pItem);
632 return;
633 }
634 else {
635 *pFlags |= HHT_ONDIVIDER;
636 *pItem = HEADER_PrevItem(infoPtr, iCount);
637 TRACE("ON DIVIDER %d\n", *pItem);
638 return;
639 }
640 }
641 }
642 rcTest = rect;
643 rcTest.left = rcTest.right - DIVIDER_WIDTH;
644 if (PtInRect (&rcTest, *lpPt)) {
645 *pFlags |= HHT_ONDIVIDER;
646 *pItem = iCount;
647 TRACE("ON DIVIDER %d\n", *pItem);
648 return;
649 }
650
651 *pFlags |= HHT_ONHEADER;
652 *pItem = iCount;
653 TRACE("ON HEADER %d\n", iCount);
654 return;
655 }
656 }
657
658 /* check for last divider part (on nowhere) */
659 rect = infoPtr->items[infoPtr->uNumItem-1].rect;
660 rect.left = rect.right;
661 rect.right += DIVIDER_WIDTH;
662 if (PtInRect (&rect, *lpPt)) {
663 if (bNoWidth) {
664 *pFlags |= HHT_ONDIVOPEN;
665 *pItem = infoPtr->uNumItem - 1;
666 TRACE("ON DIVOPEN %d\n", *pItem);
667 return;
668 }
669 else {
670 *pFlags |= HHT_ONDIVIDER;
671 *pItem = infoPtr->uNumItem-1;
672 TRACE("ON DIVIDER %d\n", *pItem);
673 return;
674 }
675 }
676
677 *pFlags |= HHT_NOWHERE;
678 *pItem = 1;
679 TRACE("NOWHERE\n");
680 return;
681 }
682 }
683 else {
684 if (lpPt->x < rect.left) {
685 TRACE("TO LEFT\n");
686 *pFlags |= HHT_TOLEFT;
687 }
688 else if (lpPt->x > rect.right) {
689 TRACE("TO RIGHT\n");
690 *pFlags |= HHT_TORIGHT;
691 }
692
693 if (lpPt->y < rect.top) {
694 TRACE("ABOVE\n");
695 *pFlags |= HHT_ABOVE;
696 }
697 else if (lpPt->y > rect.bottom) {
698 TRACE("BELOW\n");
699 *pFlags |= HHT_BELOW;
700 }
701 }
702
703 *pItem = 1;
704 TRACE("flags=0x%X\n", *pFlags);
705 return;
706 }
707
708
709 static void
710 HEADER_DrawTrackLine (const HEADER_INFO *infoPtr, HDC hdc, INT x)
711 {
712 RECT rect;
713 HPEN hOldPen;
714 INT oldRop;
715
716 GetClientRect (infoPtr->hwndSelf, &rect);
717
718 hOldPen = SelectObject (hdc, GetStockObject (BLACK_PEN));
719 oldRop = SetROP2 (hdc, R2_XORPEN);
720 MoveToEx (hdc, x, rect.top, NULL);
721 LineTo (hdc, x, rect.bottom);
722 SetROP2 (hdc, oldRop);
723 SelectObject (hdc, hOldPen);
724 }
725
726 /***
727 * DESCRIPTION:
728 * Convert a HDITEM into the correct format (ANSI/Unicode) to send it in a notify
729 *
730 * PARAMETER(S):
731 * [I] infoPtr : the header that wants to send the notify
732 * [O] dest : The buffer to store the HDITEM for notify. It may be set to a HDITEMA of HDITEMW
733 * [I] src : The source HDITEM. It may be a HDITEMA or HDITEMW
734 * [I] fSourceUnicode : is src a HDITEMW or HDITEMA
735 * [O] ppvScratch : a pointer to a scratch buffer that needs to be freed after
736 * the HDITEM is no longer in use or NULL if none was needed
737 *
738 * NOTE: We depend on HDITEMA and HDITEMW having the same structure
739 */
740 static void HEADER_CopyHDItemForNotify(const HEADER_INFO *infoPtr, HDITEMW *dest,
741 const HDITEMW *src, BOOL fSourceUnicode, LPVOID *ppvScratch)
742 {
743 *ppvScratch = NULL;
744 *dest = *src;
745
746 if (src->mask & HDI_TEXT && src->pszText != LPSTR_TEXTCALLBACKW) /* covers TEXTCALLBACKA as well */
747 {
748 if (fSourceUnicode && infoPtr->nNotifyFormat != NFR_UNICODE)
749 {
750 dest->pszText = NULL;
751 Str_SetPtrWtoA((LPSTR *)&dest->pszText, src->pszText);
752 *ppvScratch = dest->pszText;
753 }
754
755 if (!fSourceUnicode && infoPtr->nNotifyFormat == NFR_UNICODE)
756 {
757 dest->pszText = NULL;
758 Str_SetPtrAtoW(&dest->pszText, (LPSTR)src->pszText);
759 *ppvScratch = dest->pszText;
760 }
761 }
762 }
763
764 static UINT HEADER_NotifyCodeWtoA(UINT code)
765 {
766 /* we use the fact that all the unicode messages are in HDN_FIRST_UNICODE..HDN_LAST*/
767 if (code >= HDN_LAST && code <= HDN_FIRST_UNICODE)
768 return code + HDN_UNICODE_OFFSET;
769 else
770 return code;
771 }
772
773 static LRESULT
774 HEADER_SendNotify(const HEADER_INFO *infoPtr, UINT code, NMHDR *nmhdr)
775 {
776 nmhdr->hwndFrom = infoPtr->hwndSelf;
777 nmhdr->idFrom = GetWindowLongPtrW (infoPtr->hwndSelf, GWLP_ID);
778 nmhdr->code = code;
779
780 return SendMessageW(infoPtr->hwndNotify, WM_NOTIFY,
781 nmhdr->idFrom, (LPARAM)nmhdr);
782 }
783
784 static BOOL
785 HEADER_SendSimpleNotify (const HEADER_INFO *infoPtr, UINT code)
786 {
787 NMHDR nmhdr;
788 return (BOOL)HEADER_SendNotify(infoPtr, code, &nmhdr);
789 }
790
791 static LRESULT
792 HEADER_SendCtrlCustomDraw(const HEADER_INFO *infoPtr, DWORD dwDrawStage, HDC hdc, const RECT *rect)
793 {
794 NMCUSTOMDRAW nm;
795 nm.dwDrawStage = dwDrawStage;
796 nm.hdc = hdc;
797 nm.rc = *rect;
798 nm.dwItemSpec = 0;
799 nm.uItemState = 0;
800 nm.lItemlParam = 0;
801
802 return HEADER_SendNotify(infoPtr, NM_CUSTOMDRAW, (NMHDR *)&nm);
803 }
804
805 static BOOL
806 HEADER_SendNotifyWithHDItemT(const HEADER_INFO *infoPtr, UINT code, INT iItem, HDITEMW *lpItem)
807 {
808 NMHEADERW nmhdr;
809
810 if (infoPtr->nNotifyFormat != NFR_UNICODE)
811 code = HEADER_NotifyCodeWtoA(code);
812 nmhdr.iItem = iItem;
813 nmhdr.iButton = 0;
814 nmhdr.pitem = lpItem;
815
816 return (BOOL)HEADER_SendNotify(infoPtr, code, (NMHDR *)&nmhdr);
817 }
818
819 static BOOL
820 HEADER_SendNotifyWithIntFieldT(const HEADER_INFO *infoPtr, UINT code, INT iItem, INT mask, INT iValue)
821 {
822 HDITEMW nmitem;
823
824 /* copying only the iValue should be ok but to make the code more robust we copy everything */
825 nmitem.cxy = infoPtr->items[iItem].cxy;
826 nmitem.hbm = infoPtr->items[iItem].hbm;
827 nmitem.pszText = NULL;
828 nmitem.cchTextMax = 0;
829 nmitem.fmt = infoPtr->items[iItem].fmt;
830 nmitem.lParam = infoPtr->items[iItem].lParam;
831 nmitem.iOrder = infoPtr->items[iItem].iOrder;
832 nmitem.iImage = infoPtr->items[iItem].iImage;
833
834 nmitem.mask = mask;
835 switch (mask)
836 {
837 case HDI_WIDTH:
838 nmitem.cxy = iValue;
839 break;
840 case HDI_ORDER:
841 nmitem.iOrder = iValue;
842 break;
843 default:
844 ERR("invalid mask value 0x%x\n", iValue);
845 }
846
847 return HEADER_SendNotifyWithHDItemT(infoPtr, code, iItem, &nmitem);
848 }
849
850 /**
851 * Prepare callback items
852 * depends on NMHDDISPINFOW having same structure as NMHDDISPINFOA
853 * (so we handle the two cases only doing a specific cast for pszText).
854 * Checks if any of the required field are callback. If there are sends a
855 * NMHDISPINFO notify to retrieve these items. The items are stored in the
856 * HEADER_ITEM pszText and iImage fields. They should be freed with
857 * HEADER_FreeCallbackItems.
858 *
859 * @param hwnd : hwnd header container handler
860 * @param iItem : the header item id
861 * @param reqMask : required fields. If any of them is callback this function will fetch it
862 *
863 * @return TRUE on success, else FALSE
864 */
865 static BOOL
866 HEADER_PrepareCallbackItems(const HEADER_INFO *infoPtr, INT iItem, INT reqMask)
867 {
868 HEADER_ITEM *lpItem = &infoPtr->items[iItem];
869 DWORD mask = reqMask & lpItem->callbackMask;
870 NMHDDISPINFOW dispInfo;
871 void *pvBuffer = NULL;
872
873 if (mask == 0)
874 return TRUE;
875 if (mask&HDI_TEXT && lpItem->pszText != NULL)
876 {
877 ERR("(): function called without a call to FreeCallbackItems\n");
878 Free(lpItem->pszText);
879 lpItem->pszText = NULL;
880 }
881
882 memset(&dispInfo, 0, sizeof(NMHDDISPINFOW));
883 dispInfo.hdr.hwndFrom = infoPtr->hwndSelf;
884 dispInfo.hdr.idFrom = GetWindowLongPtrW (infoPtr->hwndSelf, GWLP_ID);
885 if (infoPtr->nNotifyFormat == NFR_UNICODE)
886 {
887 dispInfo.hdr.code = HDN_GETDISPINFOW;
888 if (mask & HDI_TEXT)
889 pvBuffer = Alloc(MAX_HEADER_TEXT_LEN * sizeof(WCHAR));
890 }
891 else
892 {
893 dispInfo.hdr.code = HDN_GETDISPINFOA;
894 if (mask & HDI_TEXT)
895 pvBuffer = Alloc(MAX_HEADER_TEXT_LEN * sizeof(CHAR));
896 }
897 dispInfo.pszText = pvBuffer;
898 dispInfo.cchTextMax = (pvBuffer!=NULL?MAX_HEADER_TEXT_LEN:0);
899 dispInfo.iItem = iItem;
900 dispInfo.mask = mask;
901 dispInfo.lParam = lpItem->lParam;
902
903 TRACE("Sending HDN_GETDISPINFO%c\n", infoPtr->nNotifyFormat == NFR_UNICODE?'W':'A');
904 SendMessageW(infoPtr->hwndNotify, WM_NOTIFY, dispInfo.hdr.idFrom, (LPARAM)&dispInfo);
905
906 TRACE("SendMessage returns(mask:0x%x,str:%s,lParam:%p)\n",
907 dispInfo.mask,
908 (infoPtr->nNotifyFormat == NFR_UNICODE ? debugstr_w(dispInfo.pszText) : (LPSTR) dispInfo.pszText),
909 (void*) dispInfo.lParam);
910
911 if (mask & HDI_IMAGE)
912 lpItem->iImage = dispInfo.iImage;
913 if (mask & HDI_TEXT)
914 {
915 if (infoPtr->nNotifyFormat == NFR_UNICODE)
916 {
917 lpItem->pszText = pvBuffer;
918
919 /* the user might have used his own buffer */
920 if (dispInfo.pszText != lpItem->pszText)
921 Str_GetPtrW(dispInfo.pszText, lpItem->pszText, MAX_HEADER_TEXT_LEN);
922 }
923 else
924 {
925 Str_SetPtrAtoW(&lpItem->pszText, (LPSTR)dispInfo.pszText);
926 Free(pvBuffer);
927 }
928 }
929
930 if (dispInfo.mask & HDI_DI_SETITEM)
931 {
932 /* make the items permanent */
933 lpItem->callbackMask &= ~dispInfo.mask;
934 }
935
936 return TRUE;
937 }
938
939 /***
940 * DESCRIPTION:
941 * Free the items that might be allocated with HEADER_PrepareCallbackItems
942 *
943 * PARAMETER(S):
944 * [I] lpItem : the item to free the data
945 *
946 */
947 static void
948 HEADER_FreeCallbackItems(HEADER_ITEM *lpItem)
949 {
950 if (lpItem->callbackMask&HDI_TEXT)
951 {
952 Free(lpItem->pszText);
953 lpItem->pszText = NULL;
954 }
955
956 if (lpItem->callbackMask&HDI_IMAGE)
957 lpItem->iImage = I_IMAGECALLBACK;
958 }
959
960 static LRESULT
961 HEADER_CreateDragImage (HEADER_INFO *infoPtr, INT iItem)
962 {
963 HEADER_ITEM *lpItem;
964 HIMAGELIST himl;
965 HBITMAP hMemory, hOldBitmap;
966 LRESULT lCDFlags;
967 RECT rc;
968 HDC hMemoryDC;
969 HDC hDeviceDC;
970 int height, width;
971 HFONT hFont;
972
973 if (iItem >= infoPtr->uNumItem)
974 return FALSE;
975
976 if (!infoPtr->bRectsValid)
977 HEADER_SetItemBounds(infoPtr);
978
979 lpItem = &infoPtr->items[iItem];
980 width = lpItem->rect.right - lpItem->rect.left;
981 height = lpItem->rect.bottom - lpItem->rect.top;
982
983 hDeviceDC = GetDC(NULL);
984 hMemoryDC = CreateCompatibleDC(hDeviceDC);
985 hMemory = CreateCompatibleBitmap(hDeviceDC, width, height);
986 ReleaseDC(NULL, hDeviceDC);
987 hOldBitmap = SelectObject(hMemoryDC, hMemory);
988 SetViewportOrgEx(hMemoryDC, -lpItem->rect.left, -lpItem->rect.top, NULL);
989 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject(SYSTEM_FONT);
990 SelectObject(hMemoryDC, hFont);
991
992 GetClientRect(infoPtr->hwndSelf, &rc);
993 lCDFlags = HEADER_SendCtrlCustomDraw(infoPtr, CDDS_PREPAINT, hMemoryDC, &rc);
994 HEADER_DrawItem(infoPtr, hMemoryDC, iItem, FALSE, lCDFlags);
995 if (lCDFlags & CDRF_NOTIFYPOSTPAINT)
996 HEADER_SendCtrlCustomDraw(infoPtr, CDDS_POSTPAINT, hMemoryDC, &rc);
997
998 hMemory = SelectObject(hMemoryDC, hOldBitmap);
999 DeleteDC(hMemoryDC);
1000
1001 if (hMemory == NULL) /* if anything failed */
1002 return FALSE;
1003
1004 himl = ImageList_Create(width, height, ILC_COLORDDB, 1, 1);
1005 ImageList_Add(himl, hMemory, NULL);
1006 DeleteObject(hMemory);
1007 return (LRESULT)himl;
1008 }
1009
1010 static LRESULT
1011 HEADER_SetHotDivider(HEADER_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
1012 {
1013 INT iDivider;
1014 RECT r;
1015
1016 if (wParam)
1017 {
1018 POINT pt;
1019 UINT flags;
1020 pt.x = (INT)(SHORT)LOWORD(lParam);
1021 pt.y = 0;
1022 HEADER_InternalHitTest (infoPtr, &pt, &flags, &iDivider);
1023
1024 if (flags & HHT_TOLEFT)
1025 iDivider = 0;
1026 else if (flags & HHT_NOWHERE || flags & HHT_TORIGHT)
1027 iDivider = infoPtr->uNumItem;
1028 else
1029 {
1030 HEADER_ITEM *lpItem = &infoPtr->items[iDivider];
1031 if (pt.x > (lpItem->rect.left+lpItem->rect.right)/2)
1032 iDivider = HEADER_NextItem(infoPtr, iDivider);
1033 }
1034 }
1035 else
1036 iDivider = (INT)lParam;
1037
1038 /* Note; wParam==FALSE, lParam==-1 is valid and is used to clear the hot divider */
1039 if (iDivider<-1 || iDivider>(int)infoPtr->uNumItem)
1040 return iDivider;
1041
1042 if (iDivider != infoPtr->iHotDivider)
1043 {
1044 if (infoPtr->iHotDivider != -1)
1045 {
1046 HEADER_GetHotDividerRect(infoPtr, &r);
1047 InvalidateRect(infoPtr->hwndSelf, &r, FALSE);
1048 }
1049 infoPtr->iHotDivider = iDivider;
1050 if (iDivider != -1)
1051 {
1052 HEADER_GetHotDividerRect(infoPtr, &r);
1053 InvalidateRect(infoPtr->hwndSelf, &r, FALSE);
1054 }
1055 }
1056 return iDivider;
1057 }
1058
1059 static LRESULT
1060 HEADER_DeleteItem (HEADER_INFO *infoPtr, INT iItem)
1061 {
1062 INT iOrder;
1063 UINT i;
1064
1065 TRACE("[iItem=%d]\n", iItem);
1066
1067 if ((iItem < 0) || (iItem >= (INT)infoPtr->uNumItem))
1068 return FALSE;
1069
1070 for (i = 0; i < infoPtr->uNumItem; i++)
1071 TRACE("%d: order=%d, iOrder=%d, ->iOrder=%d\n", i, infoPtr->order[i], infoPtr->items[i].iOrder, infoPtr->items[infoPtr->order[i]].iOrder);
1072
1073 iOrder = infoPtr->items[iItem].iOrder;
1074 Free(infoPtr->items[iItem].pszText);
1075
1076 infoPtr->uNumItem--;
1077 memmove(&infoPtr->items[iItem], &infoPtr->items[iItem + 1],
1078 (infoPtr->uNumItem - iItem) * sizeof(HEADER_ITEM));
1079 memmove(&infoPtr->order[iOrder], &infoPtr->order[iOrder + 1],
1080 (infoPtr->uNumItem - iOrder) * sizeof(INT));
1081 infoPtr->items = ReAlloc(infoPtr->items, sizeof(HEADER_ITEM) * infoPtr->uNumItem);
1082 infoPtr->order = ReAlloc(infoPtr->order, sizeof(INT) * infoPtr->uNumItem);
1083
1084 /* Correct the orders */
1085 for (i = 0; i < infoPtr->uNumItem; i++)
1086 {
1087 if (infoPtr->order[i] > iItem)
1088 infoPtr->order[i]--;
1089 if (i >= iOrder)
1090 infoPtr->items[infoPtr->order[i]].iOrder = i;
1091 }
1092 for (i = 0; i < infoPtr->uNumItem; i++)
1093 TRACE("%d: order=%d, iOrder=%d, ->iOrder=%d\n", i, infoPtr->order[i], infoPtr->items[i].iOrder, infoPtr->items[infoPtr->order[i]].iOrder);
1094
1095 HEADER_SetItemBounds (infoPtr);
1096 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1097
1098 return TRUE;
1099 }
1100
1101
1102 static LRESULT
1103 HEADER_GetImageList (const HEADER_INFO *infoPtr)
1104 {
1105 return (LRESULT)infoPtr->himl;
1106 }
1107
1108
1109 static LRESULT
1110 HEADER_GetItemT (const HEADER_INFO *infoPtr, INT nItem, LPHDITEMW phdi, BOOL bUnicode)
1111 {
1112 HEADER_ITEM *lpItem;
1113 UINT mask;
1114
1115 if (!phdi)
1116 return FALSE;
1117
1118 TRACE("[nItem=%d]\n", nItem);
1119
1120 mask = phdi->mask;
1121 if (mask == 0)
1122 return TRUE;
1123
1124 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
1125 return FALSE;
1126
1127 if (mask & HDI_UNKNOWN_FIELDS)
1128 {
1129 TRACE("mask %x contains unknown fields. Using only comctl32 4.0 fields\n", mask);
1130 mask &= HDI_COMCTL32_4_0_FIELDS;
1131 }
1132
1133 lpItem = &infoPtr->items[nItem];
1134 HEADER_PrepareCallbackItems(infoPtr, nItem, mask);
1135
1136 if (mask & HDI_BITMAP)
1137 phdi->hbm = lpItem->hbm;
1138
1139 if (mask & HDI_FORMAT)
1140 phdi->fmt = lpItem->fmt;
1141
1142 if (mask & HDI_WIDTH)
1143 phdi->cxy = lpItem->cxy;
1144
1145 if (mask & HDI_LPARAM)
1146 phdi->lParam = lpItem->lParam;
1147
1148 if (mask & HDI_IMAGE)
1149 phdi->iImage = lpItem->iImage;
1150
1151 if (mask & HDI_ORDER)
1152 phdi->iOrder = lpItem->iOrder;
1153
1154 if (mask & HDI_TEXT)
1155 {
1156 if (bUnicode)
1157 Str_GetPtrW (lpItem->pszText, phdi->pszText, phdi->cchTextMax);
1158 else
1159 Str_GetPtrWtoA (lpItem->pszText, (LPSTR)phdi->pszText, phdi->cchTextMax);
1160 }
1161
1162 HEADER_FreeCallbackItems(lpItem);
1163 return TRUE;
1164 }
1165
1166
1167 static inline LRESULT
1168 HEADER_GetItemCount (const HEADER_INFO *infoPtr)
1169 {
1170 return infoPtr->uNumItem;
1171 }
1172
1173
1174 static LRESULT
1175 HEADER_GetItemRect (const HEADER_INFO *infoPtr, INT iItem, LPRECT lpRect)
1176 {
1177 if ((iItem < 0) || (iItem >= (INT)infoPtr->uNumItem))
1178 return FALSE;
1179
1180 lpRect->left = infoPtr->items[iItem].rect.left;
1181 lpRect->right = infoPtr->items[iItem].rect.right;
1182 lpRect->top = infoPtr->items[iItem].rect.top;
1183 lpRect->bottom = infoPtr->items[iItem].rect.bottom;
1184
1185 return TRUE;
1186 }
1187
1188
1189 static LRESULT
1190 HEADER_GetOrderArray(const HEADER_INFO *infoPtr, INT size, LPINT order)
1191 {
1192 if ((UINT)size <infoPtr->uNumItem)
1193 return FALSE;
1194
1195 memcpy(order, infoPtr->order, infoPtr->uNumItem * sizeof(INT));
1196 return TRUE;
1197 }
1198
1199 static LRESULT
1200 HEADER_SetOrderArray(HEADER_INFO *infoPtr, INT size, const INT *order)
1201 {
1202 INT i;
1203 HEADER_ITEM *lpItem;
1204
1205 if ((UINT)size <infoPtr->uNumItem)
1206 return FALSE;
1207 memcpy(infoPtr->order, order, infoPtr->uNumItem * sizeof(INT));
1208 for (i=0; i<size; i++)
1209 {
1210 lpItem = &infoPtr->items[*order++];
1211 lpItem->iOrder=i;
1212 }
1213 infoPtr->bRectsValid=0;
1214 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1215 return TRUE;
1216 }
1217
1218 static inline LRESULT
1219 HEADER_GetUnicodeFormat (const HEADER_INFO *infoPtr)
1220 {
1221 return (infoPtr->nNotifyFormat == NFR_UNICODE);
1222 }
1223
1224
1225 static LRESULT
1226 HEADER_HitTest (const HEADER_INFO *infoPtr, LPHDHITTESTINFO phti)
1227 {
1228 HEADER_InternalHitTest (infoPtr, &phti->pt, &phti->flags, &phti->iItem);
1229
1230 if (phti->flags == HHT_NOWHERE)
1231 return -1;
1232 else
1233 return phti->iItem;
1234 }
1235
1236
1237 static LRESULT
1238 HEADER_InsertItemT (HEADER_INFO *infoPtr, INT nItem, const HDITEMW *phdi, BOOL bUnicode)
1239 {
1240 HEADER_ITEM *lpItem;
1241 INT iOrder;
1242 UINT i;
1243 UINT copyMask;
1244
1245 if ((phdi == NULL) || (nItem < 0) || (phdi->mask == 0))
1246 return -1;
1247
1248 if (nItem > infoPtr->uNumItem)
1249 nItem = infoPtr->uNumItem;
1250
1251 iOrder = (phdi->mask & HDI_ORDER) ? phdi->iOrder : nItem;
1252 if (iOrder < 0)
1253 iOrder = 0;
1254 else if (infoPtr->uNumItem < iOrder)
1255 iOrder = infoPtr->uNumItem;
1256
1257 infoPtr->uNumItem++;
1258 infoPtr->items = ReAlloc(infoPtr->items, sizeof(HEADER_ITEM) * infoPtr->uNumItem);
1259 infoPtr->order = ReAlloc(infoPtr->order, sizeof(INT) * infoPtr->uNumItem);
1260
1261 /* make space for the new item */
1262 memmove(&infoPtr->items[nItem + 1], &infoPtr->items[nItem],
1263 (infoPtr->uNumItem - nItem - 1) * sizeof(HEADER_ITEM));
1264 memmove(&infoPtr->order[iOrder + 1], &infoPtr->order[iOrder],
1265 (infoPtr->uNumItem - iOrder - 1) * sizeof(INT));
1266
1267 /* update the order array */
1268 infoPtr->order[iOrder] = nItem;
1269 for (i = 0; i < infoPtr->uNumItem; i++)
1270 {
1271 if (i != iOrder && infoPtr->order[i] >= nItem)
1272 infoPtr->order[i]++;
1273 infoPtr->items[infoPtr->order[i]].iOrder = i;
1274 }
1275
1276 lpItem = &infoPtr->items[nItem];
1277 ZeroMemory(lpItem, sizeof(HEADER_ITEM));
1278 /* cxy, fmt and lParam are copied even if not in the HDITEM mask */
1279 copyMask = phdi->mask | HDI_WIDTH | HDI_FORMAT | HDI_LPARAM;
1280 HEADER_StoreHDItemInHeader(lpItem, copyMask, phdi, bUnicode);
1281 lpItem->iOrder = iOrder;
1282
1283 /* set automatically some format bits */
1284 if (phdi->mask & HDI_TEXT)
1285 lpItem->fmt |= HDF_STRING;
1286 else
1287 lpItem->fmt &= ~HDF_STRING;
1288
1289 if (lpItem->hbm != NULL)
1290 lpItem->fmt |= HDF_BITMAP;
1291 else
1292 lpItem->fmt &= ~HDF_BITMAP;
1293
1294 if (phdi->mask & HDI_IMAGE)
1295 lpItem->fmt |= HDF_IMAGE;
1296
1297 HEADER_SetItemBounds (infoPtr);
1298 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1299
1300 return nItem;
1301 }
1302
1303
1304 static LRESULT
1305 HEADER_Layout (HEADER_INFO *infoPtr, LPHDLAYOUT lpLayout)
1306 {
1307 lpLayout->pwpos->hwnd = infoPtr->hwndSelf;
1308 lpLayout->pwpos->hwndInsertAfter = 0;
1309 lpLayout->pwpos->x = lpLayout->prc->left;
1310 lpLayout->pwpos->y = lpLayout->prc->top;
1311 lpLayout->pwpos->cx = lpLayout->prc->right - lpLayout->prc->left;
1312 if (infoPtr->dwStyle & HDS_HIDDEN)
1313 lpLayout->pwpos->cy = 0;
1314 else {
1315 lpLayout->pwpos->cy = infoPtr->nHeight;
1316 lpLayout->prc->top += infoPtr->nHeight;
1317 }
1318 lpLayout->pwpos->flags = SWP_NOZORDER;
1319
1320 TRACE("Layout x=%d y=%d cx=%d cy=%d\n",
1321 lpLayout->pwpos->x, lpLayout->pwpos->y,
1322 lpLayout->pwpos->cx, lpLayout->pwpos->cy);
1323
1324 infoPtr->bRectsValid = FALSE;
1325
1326 return TRUE;
1327 }
1328
1329
1330 static LRESULT
1331 HEADER_SetImageList (HEADER_INFO *infoPtr, HIMAGELIST himl)
1332 {
1333 HIMAGELIST himlOld;
1334
1335 TRACE("(himl %p)\n", himl);
1336 himlOld = infoPtr->himl;
1337 infoPtr->himl = himl;
1338
1339 /* FIXME: Refresh needed??? */
1340
1341 return (LRESULT)himlOld;
1342 }
1343
1344
1345 static LRESULT
1346 HEADER_GetBitmapMargin(const HEADER_INFO *infoPtr)
1347 {
1348 return infoPtr->iMargin;
1349 }
1350
1351 static LRESULT
1352 HEADER_SetBitmapMargin(HEADER_INFO *infoPtr, INT iMargin)
1353 {
1354 INT oldMargin = infoPtr->iMargin;
1355
1356 infoPtr->iMargin = iMargin;
1357
1358 return oldMargin;
1359 }
1360
1361 static LRESULT
1362 HEADER_SetItemT (HEADER_INFO *infoPtr, INT nItem, const HDITEMW *phdi, BOOL bUnicode)
1363 {
1364 HEADER_ITEM *lpItem;
1365 HDITEMW hdNotify;
1366 void *pvScratch;
1367
1368 if (phdi == NULL)
1369 return FALSE;
1370 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
1371 return FALSE;
1372
1373 TRACE("[nItem=%d]\n", nItem);
1374
1375 HEADER_CopyHDItemForNotify(infoPtr, &hdNotify, phdi, bUnicode, &pvScratch);
1376 if (HEADER_SendNotifyWithHDItemT(infoPtr, HDN_ITEMCHANGINGW, nItem, &hdNotify))
1377 {
1378 Free(pvScratch);
1379 return FALSE;
1380 }
1381
1382 lpItem = &infoPtr->items[nItem];
1383 HEADER_StoreHDItemInHeader(lpItem, phdi->mask, phdi, bUnicode);
1384
1385 if (phdi->mask & HDI_ORDER)
1386 if (phdi->iOrder >= 0 && phdi->iOrder < infoPtr->uNumItem)
1387 HEADER_ChangeItemOrder(infoPtr, nItem, phdi->iOrder);
1388
1389 HEADER_SendNotifyWithHDItemT(infoPtr, HDN_ITEMCHANGEDW, nItem, &hdNotify);
1390
1391 HEADER_SetItemBounds (infoPtr);
1392
1393 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1394
1395 Free(pvScratch);
1396 return TRUE;
1397 }
1398
1399 static inline LRESULT
1400 HEADER_SetUnicodeFormat (HEADER_INFO *infoPtr, WPARAM wParam)
1401 {
1402 BOOL bTemp = (infoPtr->nNotifyFormat == NFR_UNICODE);
1403
1404 infoPtr->nNotifyFormat = ((BOOL)wParam ? NFR_UNICODE : NFR_ANSI);
1405
1406 return bTemp;
1407 }
1408
1409
1410 static LRESULT
1411 HEADER_Create (HWND hwnd, const CREATESTRUCTW *lpcs)
1412 {
1413 HEADER_INFO *infoPtr;
1414 TEXTMETRICW tm;
1415 HFONT hOldFont;
1416 HDC hdc;
1417
1418 infoPtr = Alloc (sizeof(HEADER_INFO));
1419 SetWindowLongPtrW (hwnd, 0, (DWORD_PTR)infoPtr);
1420
1421 infoPtr->hwndSelf = hwnd;
1422 infoPtr->hwndNotify = lpcs->hwndParent;
1423 infoPtr->uNumItem = 0;
1424 infoPtr->hFont = 0;
1425 infoPtr->items = 0;
1426 infoPtr->order = 0;
1427 infoPtr->bRectsValid = FALSE;
1428 infoPtr->hcurArrow = LoadCursorW (0, (LPWSTR)IDC_ARROW);
1429 infoPtr->hcurDivider = LoadCursorW (COMCTL32_hModule, MAKEINTRESOURCEW(IDC_DIVIDER));
1430 infoPtr->hcurDivopen = LoadCursorW (COMCTL32_hModule, MAKEINTRESOURCEW(IDC_DIVIDEROPEN));
1431 infoPtr->bPressed = FALSE;
1432 infoPtr->bTracking = FALSE;
1433 infoPtr->dwStyle = lpcs->style;
1434 infoPtr->iMoveItem = 0;
1435 infoPtr->himl = 0;
1436 infoPtr->iHotItem = -1;
1437 infoPtr->iHotDivider = -1;
1438 infoPtr->iMargin = 3*GetSystemMetrics(SM_CXEDGE);
1439 infoPtr->nNotifyFormat =
1440 SendMessageW (infoPtr->hwndNotify, WM_NOTIFYFORMAT, (WPARAM)hwnd, NF_QUERY);
1441
1442 hdc = GetDC (0);
1443 hOldFont = SelectObject (hdc, GetStockObject (SYSTEM_FONT));
1444 GetTextMetricsW (hdc, &tm);
1445 infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
1446 SelectObject (hdc, hOldFont);
1447 ReleaseDC (0, hdc);
1448
1449 OpenThemeData(hwnd, themeClass);
1450
1451 return 0;
1452 }
1453
1454
1455 static LRESULT
1456 HEADER_Destroy (HEADER_INFO *infoPtr)
1457 {
1458 HTHEME theme = GetWindowTheme(infoPtr->hwndSelf);
1459 CloseThemeData(theme);
1460 return 0;
1461 }
1462
1463 static LRESULT
1464 HEADER_NCDestroy (HEADER_INFO *infoPtr)
1465 {
1466 HEADER_ITEM *lpItem;
1467 INT nItem;
1468
1469 if (infoPtr->items) {
1470 lpItem = infoPtr->items;
1471 for (nItem = 0; nItem < infoPtr->uNumItem; nItem++, lpItem++) {
1472 Free(lpItem->pszText);
1473 }
1474 Free (infoPtr->items);
1475 }
1476
1477 Free(infoPtr->order);
1478
1479 if (infoPtr->himl)
1480 ImageList_Destroy (infoPtr->himl);
1481
1482 SetWindowLongPtrW (infoPtr->hwndSelf, 0, 0);
1483 Free (infoPtr);
1484
1485 return 0;
1486 }
1487
1488
1489 static inline LRESULT
1490 HEADER_GetFont (const HEADER_INFO *infoPtr)
1491 {
1492 return (LRESULT)infoPtr->hFont;
1493 }
1494
1495
1496 static BOOL
1497 HEADER_IsDragDistance(const HEADER_INFO *infoPtr, const POINT *pt)
1498 {
1499 /* Windows allows for a mouse movement before starting the drag. We use the
1500 * SM_CXDOUBLECLICK/SM_CYDOUBLECLICK as that distance.
1501 */
1502 return (abs(infoPtr->ptLButtonDown.x - pt->x)>GetSystemMetrics(SM_CXDOUBLECLK) ||
1503 abs(infoPtr->ptLButtonDown.y - pt->y)>GetSystemMetrics(SM_CYDOUBLECLK));
1504 }
1505
1506 static LRESULT
1507 HEADER_LButtonDblClk (const HEADER_INFO *infoPtr, INT x, INT y)
1508 {
1509 POINT pt;
1510 UINT flags;
1511 INT nItem;
1512
1513 pt.x = x;
1514 pt.y = y;
1515 HEADER_InternalHitTest (infoPtr, &pt, &flags, &nItem);
1516
1517 if ((infoPtr->dwStyle & HDS_BUTTONS) && (flags == HHT_ONHEADER))
1518 HEADER_SendNotifyWithHDItemT(infoPtr, HDN_ITEMDBLCLICKW, nItem, NULL);
1519 else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN))
1520 HEADER_SendNotifyWithHDItemT(infoPtr, HDN_DIVIDERDBLCLICKW, nItem, NULL);
1521
1522 return 0;
1523 }
1524
1525
1526 static LRESULT
1527 HEADER_LButtonDown (HEADER_INFO *infoPtr, INT x, INT y)
1528 {
1529 POINT pt;
1530 UINT flags;
1531 INT nItem;
1532 HDC hdc;
1533
1534 pt.x = x;
1535 pt.y = y;
1536 HEADER_InternalHitTest (infoPtr, &pt, &flags, &nItem);
1537
1538 if ((infoPtr->dwStyle & HDS_BUTTONS) && (flags == HHT_ONHEADER)) {
1539 SetCapture (infoPtr->hwndSelf);
1540 infoPtr->bCaptured = TRUE;
1541 infoPtr->bPressed = TRUE;
1542 infoPtr->bDragging = FALSE;
1543 infoPtr->iMoveItem = nItem;
1544 infoPtr->ptLButtonDown = pt;
1545
1546 infoPtr->items[nItem].bDown = TRUE;
1547
1548 /* Send WM_CUSTOMDRAW */
1549 hdc = GetDC (infoPtr->hwndSelf);
1550 HEADER_RefreshItem (infoPtr, nItem);
1551 ReleaseDC (infoPtr->hwndSelf, hdc);
1552
1553 TRACE("Pressed item %d!\n", nItem);
1554 }
1555 else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN)) {
1556 INT iCurrWidth = infoPtr->items[nItem].cxy;
1557 if (!HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_BEGINTRACKW, nItem, HDI_WIDTH, iCurrWidth))
1558 {
1559 SetCapture (infoPtr->hwndSelf);
1560 infoPtr->bCaptured = TRUE;
1561 infoPtr->bTracking = TRUE;
1562 infoPtr->iMoveItem = nItem;
1563 infoPtr->xTrackOffset = infoPtr->items[nItem].rect.right - pt.x;
1564
1565 if (!(infoPtr->dwStyle & HDS_FULLDRAG)) {
1566 infoPtr->xOldTrack = infoPtr->items[nItem].rect.right;
1567 hdc = GetDC (infoPtr->hwndSelf);
1568 HEADER_DrawTrackLine (infoPtr, hdc, infoPtr->xOldTrack);
1569 ReleaseDC (infoPtr->hwndSelf, hdc);
1570 }
1571
1572 TRACE("Begin tracking item %d!\n", nItem);
1573 }
1574 }
1575
1576 return 0;
1577 }
1578
1579
1580 static LRESULT
1581 HEADER_LButtonUp (HEADER_INFO *infoPtr, INT x, INT y)
1582 {
1583 POINT pt;
1584 UINT flags;
1585 INT nItem;
1586 HDC hdc;
1587
1588 pt.x = x;
1589 pt.y = y;
1590 HEADER_InternalHitTest (infoPtr, &pt, &flags, &nItem);
1591
1592 if (infoPtr->bPressed) {
1593 if (infoPtr->bDragging)
1594 {
1595 HEADER_ITEM *lpItem = &infoPtr->items[infoPtr->iMoveItem];
1596 INT iNewOrder;
1597
1598 ImageList_DragShowNolock(FALSE);
1599 ImageList_EndDrag();
1600 lpItem->bDown=FALSE;
1601
1602 if (infoPtr->iHotDivider == -1)
1603 iNewOrder = -1;
1604 else if (infoPtr->iHotDivider == infoPtr->uNumItem)
1605 iNewOrder = infoPtr->uNumItem-1;
1606 else
1607 {
1608 iNewOrder = HEADER_IndexToOrder(infoPtr, infoPtr->iHotDivider);
1609 if (iNewOrder > lpItem->iOrder)
1610 iNewOrder--;
1611 }
1612
1613 if (iNewOrder != -1 &&
1614 !HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ENDDRAG, infoPtr->iMoveItem, HDI_ORDER, iNewOrder))
1615 {
1616 HEADER_ChangeItemOrder(infoPtr, infoPtr->iMoveItem, iNewOrder);
1617 infoPtr->bRectsValid = FALSE;
1618 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1619 }
1620 else
1621 InvalidateRect(infoPtr->hwndSelf, &infoPtr->items[infoPtr->iMoveItem].rect, FALSE);
1622
1623 infoPtr->bDragging = FALSE;
1624 HEADER_SetHotDivider(infoPtr, FALSE, -1);
1625 }
1626 else if (!(infoPtr->dwStyle & HDS_DRAGDROP) || !HEADER_IsDragDistance(infoPtr, &pt))
1627 {
1628 infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
1629 hdc = GetDC (infoPtr->hwndSelf);
1630 HEADER_RefreshItem (infoPtr, infoPtr->iMoveItem);
1631 ReleaseDC (infoPtr->hwndSelf, hdc);
1632
1633 HEADER_SendNotifyWithHDItemT(infoPtr, HDN_ITEMCLICKW, infoPtr->iMoveItem, NULL);
1634 }
1635
1636 TRACE("Released item %d!\n", infoPtr->iMoveItem);
1637 infoPtr->bPressed = FALSE;
1638 }
1639 else if (infoPtr->bTracking) {
1640 INT iNewWidth = pt.x - infoPtr->items[infoPtr->iMoveItem].rect.left + infoPtr->xTrackOffset;
1641 if (iNewWidth < 0)
1642 iNewWidth = 0;
1643 TRACE("End tracking item %d!\n", infoPtr->iMoveItem);
1644 infoPtr->bTracking = FALSE;
1645
1646 HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ENDTRACKW, infoPtr->iMoveItem, HDI_WIDTH, iNewWidth);
1647
1648 if (!(infoPtr->dwStyle & HDS_FULLDRAG)) {
1649 hdc = GetDC (infoPtr->hwndSelf);
1650 HEADER_DrawTrackLine (infoPtr, hdc, infoPtr->xOldTrack);
1651 ReleaseDC (infoPtr->hwndSelf, hdc);
1652 }
1653
1654 if (!HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ITEMCHANGINGW, infoPtr->iMoveItem, HDI_WIDTH, iNewWidth))
1655 {
1656 infoPtr->items[infoPtr->iMoveItem].cxy = iNewWidth;
1657 HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ITEMCHANGEDW, infoPtr->iMoveItem, HDI_WIDTH, iNewWidth);
1658 }
1659
1660 HEADER_SetItemBounds (infoPtr);
1661 InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
1662 }
1663
1664 if (infoPtr->bCaptured) {
1665 infoPtr->bCaptured = FALSE;
1666 ReleaseCapture ();
1667 HEADER_SendSimpleNotify (infoPtr, NM_RELEASEDCAPTURE);
1668 }
1669
1670 return 0;
1671 }
1672
1673
1674 static LRESULT
1675 HEADER_NotifyFormat (HEADER_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
1676 {
1677 switch (lParam)
1678 {
1679 case NF_QUERY:
1680 return infoPtr->nNotifyFormat;
1681
1682 case NF_REQUERY:
1683 infoPtr->nNotifyFormat =
1684 SendMessageW ((HWND)wParam, WM_NOTIFYFORMAT,
1685 (WPARAM)infoPtr->hwndSelf, (LPARAM)NF_QUERY);
1686 return infoPtr->nNotifyFormat;
1687 }
1688
1689 return 0;
1690 }
1691
1692 static LRESULT
1693 HEADER_MouseLeave (HEADER_INFO *infoPtr)
1694 {
1695 /* Reset hot-tracked item when mouse leaves control. */
1696 INT oldHotItem = infoPtr->iHotItem;
1697 HDC hdc = GetDC (infoPtr->hwndSelf);
1698
1699 infoPtr->iHotItem = -1;
1700 if (oldHotItem != -1) HEADER_RefreshItem (infoPtr, oldHotItem);
1701 ReleaseDC (infoPtr->hwndSelf, hdc);
1702
1703 return 0;
1704 }
1705
1706
1707 static LRESULT
1708 HEADER_MouseMove (HEADER_INFO *infoPtr, LPARAM lParam)
1709 {
1710 POINT pt;
1711 UINT flags;
1712 INT nItem, nWidth;
1713 HDC hdc;
1714 /* With theming, hottracking is always enabled */
1715 BOOL hotTrackEnabled =
1716 ((infoPtr->dwStyle & HDS_BUTTONS) && (infoPtr->dwStyle & HDS_HOTTRACK))
1717 || (GetWindowTheme (infoPtr->hwndSelf) != NULL);
1718 INT oldHotItem = infoPtr->iHotItem;
1719
1720 pt.x = (INT)(SHORT)LOWORD(lParam);
1721 pt.y = (INT)(SHORT)HIWORD(lParam);
1722 HEADER_InternalHitTest (infoPtr, &pt, &flags, &nItem);
1723
1724 if (hotTrackEnabled) {
1725 if (flags & (HHT_ONHEADER | HHT_ONDIVIDER | HHT_ONDIVOPEN))
1726 infoPtr->iHotItem = nItem;
1727 else
1728 infoPtr->iHotItem = -1;
1729 }
1730
1731 if (infoPtr->bCaptured) {
1732 /* check if we should drag the header */
1733 if (infoPtr->bPressed && !infoPtr->bDragging && (infoPtr->dwStyle & HDS_DRAGDROP)
1734 && HEADER_IsDragDistance(infoPtr, &pt))
1735 {
1736 if (!HEADER_SendNotifyWithHDItemT(infoPtr, HDN_BEGINDRAG, infoPtr->iMoveItem, NULL))
1737 {
1738 HIMAGELIST hDragItem = (HIMAGELIST)HEADER_CreateDragImage(infoPtr, infoPtr->iMoveItem);
1739 if (hDragItem != NULL)
1740 {
1741 HEADER_ITEM *lpItem = &infoPtr->items[infoPtr->iMoveItem];
1742 TRACE("Starting item drag\n");
1743 ImageList_BeginDrag(hDragItem, 0, pt.x - lpItem->rect.left, 0);
1744 ImageList_DragShowNolock(TRUE);
1745 ImageList_Destroy(hDragItem);
1746 infoPtr->bDragging = TRUE;
1747 }
1748 }
1749 }
1750
1751 if (infoPtr->bDragging)
1752 {
1753 POINT drag;
1754 drag.x = pt.x;
1755 drag.y = 0;
1756 ClientToScreen(infoPtr->hwndSelf, &drag);
1757 ImageList_DragMove(drag.x, drag.y);
1758 HEADER_SetHotDivider(infoPtr, TRUE, lParam);
1759 }
1760
1761 if (infoPtr->bPressed && !infoPtr->bDragging) {
1762 BOOL oldState = infoPtr->items[infoPtr->iMoveItem].bDown;
1763 if ((nItem == infoPtr->iMoveItem) && (flags == HHT_ONHEADER))
1764 infoPtr->items[infoPtr->iMoveItem].bDown = TRUE;
1765 else
1766 infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
1767 if (oldState != infoPtr->items[infoPtr->iMoveItem].bDown) {
1768 hdc = GetDC (infoPtr->hwndSelf);
1769 HEADER_RefreshItem (infoPtr, infoPtr->iMoveItem);
1770 ReleaseDC (infoPtr->hwndSelf, hdc);
1771 }
1772
1773 TRACE("Moving pressed item %d!\n", infoPtr->iMoveItem);
1774 }
1775 else if (infoPtr->bTracking) {
1776 if (infoPtr->dwStyle & HDS_FULLDRAG) {
1777 HEADER_ITEM *lpItem = &infoPtr->items[infoPtr->iMoveItem];
1778 nWidth = pt.x - lpItem->rect.left + infoPtr->xTrackOffset;
1779 if (!HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ITEMCHANGINGW, infoPtr->iMoveItem, HDI_WIDTH, nWidth))
1780 {
1781 INT nOldWidth = lpItem->rect.right - lpItem->rect.left;
1782 RECT rcClient;
1783 RECT rcScroll;
1784
1785 if (nWidth < 0) nWidth = 0;
1786 infoPtr->items[infoPtr->iMoveItem].cxy = nWidth;
1787 HEADER_SetItemBounds(infoPtr);
1788
1789 GetClientRect(infoPtr->hwndSelf, &rcClient);
1790 rcScroll = rcClient;
1791 rcScroll.left = lpItem->rect.left + nOldWidth;
1792 ScrollWindowEx(infoPtr->hwndSelf, nWidth - nOldWidth, 0, &rcScroll, &rcClient, NULL, NULL, 0);
1793 InvalidateRect(infoPtr->hwndSelf, &lpItem->rect, FALSE);
1794 UpdateWindow(infoPtr->hwndSelf);
1795
1796 HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ITEMCHANGEDW, infoPtr->iMoveItem, HDI_WIDTH, nWidth);
1797 }
1798 }
1799 else {
1800 INT iTrackWidth;
1801 hdc = GetDC (infoPtr->hwndSelf);
1802 HEADER_DrawTrackLine (infoPtr, hdc, infoPtr->xOldTrack);
1803 infoPtr->xOldTrack = pt.x + infoPtr->xTrackOffset;
1804 if (infoPtr->xOldTrack < infoPtr->items[infoPtr->iMoveItem].rect.left)
1805 infoPtr->xOldTrack = infoPtr->items[infoPtr->iMoveItem].rect.left;
1806 HEADER_DrawTrackLine (infoPtr, hdc, infoPtr->xOldTrack);
1807 ReleaseDC (infoPtr->hwndSelf, hdc);
1808 iTrackWidth = infoPtr->xOldTrack - infoPtr->items[infoPtr->iMoveItem].rect.left;
1809 /* FIXME: should stop tracking if HDN_TRACK returns TRUE */
1810 HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_TRACKW, infoPtr->iMoveItem, HDI_WIDTH, iTrackWidth);
1811 }
1812
1813 TRACE("Tracking item %d!\n", infoPtr->iMoveItem);
1814 }
1815 }
1816
1817 if (hotTrackEnabled) {
1818 TRACKMOUSEEVENT tme;
1819 if (oldHotItem != infoPtr->iHotItem && !infoPtr->bDragging) {
1820 hdc = GetDC (infoPtr->hwndSelf);
1821 if (oldHotItem != -1) HEADER_RefreshItem (infoPtr, oldHotItem);
1822 if (infoPtr->iHotItem != -1) HEADER_RefreshItem (infoPtr, infoPtr->iHotItem);
1823 ReleaseDC (infoPtr->hwndSelf, hdc);
1824 }
1825 tme.cbSize = sizeof( tme );
1826 tme.dwFlags = TME_LEAVE;
1827 tme.hwndTrack = infoPtr->hwndSelf;
1828 TrackMouseEvent( &tme );
1829 }
1830
1831 return 0;
1832 }
1833
1834
1835 static LRESULT
1836 HEADER_Paint (HEADER_INFO *infoPtr, HDC hdcParam)
1837 {
1838 HDC hdc;
1839 PAINTSTRUCT ps;
1840
1841 hdc = hdcParam==0 ? BeginPaint (infoPtr->hwndSelf, &ps) : hdcParam;
1842 HEADER_Refresh (infoPtr, hdc);
1843 if(!hdcParam)
1844 EndPaint (infoPtr->hwndSelf, &ps);
1845 return 0;
1846 }
1847
1848
1849 static LRESULT
1850 HEADER_RButtonUp (HEADER_INFO *infoPtr, INT x, INT y)
1851 {
1852 BOOL bRet;
1853 POINT pt;
1854
1855 pt.x = x;
1856 pt.y = y;
1857
1858 /* Send a Notify message */
1859 bRet = HEADER_SendSimpleNotify (infoPtr, NM_RCLICK);
1860
1861 /* Change to screen coordinate for WM_CONTEXTMENU */
1862 ClientToScreen(infoPtr->hwndSelf, &pt);
1863
1864 /* Send a WM_CONTEXTMENU message in response to the RBUTTONUP */
1865 SendMessageW( infoPtr->hwndSelf, WM_CONTEXTMENU, (WPARAM) infoPtr->hwndSelf, MAKELPARAM(pt.x, pt.y));
1866
1867 return bRet;
1868 }
1869
1870
1871 static LRESULT
1872 HEADER_SetCursor (HEADER_INFO *infoPtr, LPARAM lParam)
1873 {
1874 POINT pt;
1875 UINT flags;
1876 INT nItem;
1877
1878 TRACE("code=0x%X id=0x%X\n", LOWORD(lParam), HIWORD(lParam));
1879
1880 GetCursorPos (&pt);
1881 ScreenToClient (infoPtr->hwndSelf, &pt);
1882
1883 HEADER_InternalHitTest (infoPtr, &pt, &flags, &nItem);
1884
1885 if (flags == HHT_ONDIVIDER)
1886 SetCursor (infoPtr->hcurDivider);
1887 else if (flags == HHT_ONDIVOPEN)
1888 SetCursor (infoPtr->hcurDivopen);
1889 else
1890 SetCursor (infoPtr->hcurArrow);
1891
1892 return 0;
1893 }
1894
1895
1896 static LRESULT
1897 HEADER_SetFont (HEADER_INFO *infoPtr, HFONT hFont, WORD Redraw)
1898 {
1899 TEXTMETRICW tm;
1900 HFONT hOldFont;
1901 HDC hdc;
1902
1903 infoPtr->hFont = hFont;
1904
1905 hdc = GetDC (0);
1906 hOldFont = SelectObject (hdc, infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT));
1907 GetTextMetricsW (hdc, &tm);
1908 infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
1909 SelectObject (hdc, hOldFont);
1910 ReleaseDC (0, hdc);
1911
1912 infoPtr->bRectsValid = FALSE;
1913
1914 if (Redraw) {
1915 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1916 }
1917
1918 return 0;
1919 }
1920
1921 static LRESULT HEADER_SetRedraw(HEADER_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
1922 {
1923 /* ignoring the InvalidateRect calls is handled by user32. But some apps expect
1924 * that we invalidate the header and this has to be done manually */
1925 LRESULT ret;
1926
1927 ret = DefWindowProcW(infoPtr->hwndSelf, WM_SETREDRAW, wParam, lParam);
1928 if (wParam)
1929 InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
1930 return ret;
1931 }
1932
1933 static INT HEADER_StyleChanged(HEADER_INFO *infoPtr, WPARAM wStyleType,
1934 const STYLESTRUCT *lpss)
1935 {
1936 TRACE("(styletype=%lx, styleOld=0x%08x, styleNew=0x%08x)\n",
1937 wStyleType, lpss->styleOld, lpss->styleNew);
1938
1939 if (wStyleType != GWL_STYLE) return 0;
1940
1941 infoPtr->dwStyle = lpss->styleNew;
1942
1943 return 0;
1944 }
1945
1946 /* Update the theme handle after a theme change */
1947 static LRESULT HEADER_ThemeChanged(const HEADER_INFO *infoPtr)
1948 {
1949 HTHEME theme = GetWindowTheme(infoPtr->hwndSelf);
1950 CloseThemeData(theme);
1951 OpenThemeData(infoPtr->hwndSelf, themeClass);
1952 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1953 return 0;
1954 }
1955
1956
1957 static LRESULT WINAPI
1958 HEADER_WindowProc (HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
1959 {
1960 HEADER_INFO *infoPtr = (HEADER_INFO *)GetWindowLongPtrW(hwnd, 0);
1961
1962 TRACE("hwnd=%p msg=%x wparam=%lx lParam=%lx\n", hwnd, msg, wParam, lParam);
1963 if (!infoPtr && (msg != WM_CREATE))
1964 return DefWindowProcW (hwnd, msg, wParam, lParam);
1965 switch (msg) {
1966 /* case HDM_CLEARFILTER: */
1967
1968 case HDM_CREATEDRAGIMAGE:
1969 return HEADER_CreateDragImage (infoPtr, (INT)wParam);
1970
1971 case HDM_DELETEITEM:
1972 return HEADER_DeleteItem (infoPtr, (INT)wParam);
1973
1974 /* case HDM_EDITFILTER: */
1975
1976 case HDM_GETBITMAPMARGIN:
1977 return HEADER_GetBitmapMargin(infoPtr);
1978
1979 case HDM_GETIMAGELIST:
1980 return HEADER_GetImageList (infoPtr);
1981
1982 case HDM_GETITEMA:
1983 case HDM_GETITEMW:
1984 return HEADER_GetItemT (infoPtr, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_GETITEMW);
1985
1986 case HDM_GETITEMCOUNT:
1987 return HEADER_GetItemCount (infoPtr);
1988
1989 case HDM_GETITEMRECT:
1990 return HEADER_GetItemRect (infoPtr, (INT)wParam, (LPRECT)lParam);
1991
1992 case HDM_GETORDERARRAY:
1993 return HEADER_GetOrderArray(infoPtr, (INT)wParam, (LPINT)lParam);
1994
1995 case HDM_GETUNICODEFORMAT:
1996 return HEADER_GetUnicodeFormat (infoPtr);
1997
1998 case HDM_HITTEST:
1999 return HEADER_HitTest (infoPtr, (LPHDHITTESTINFO)lParam);
2000
2001 case HDM_INSERTITEMA:
2002 case HDM_INSERTITEMW:
2003 return HEADER_InsertItemT (infoPtr, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_INSERTITEMW);
2004
2005 case HDM_LAYOUT:
2006 return HEADER_Layout (infoPtr, (LPHDLAYOUT)lParam);
2007
2008 case HDM_ORDERTOINDEX:
2009 return HEADER_OrderToIndex(infoPtr, (INT)wParam);
2010
2011 case HDM_SETBITMAPMARGIN:
2012 return HEADER_SetBitmapMargin(infoPtr, (INT)wParam);
2013
2014 /* case HDM_SETFILTERCHANGETIMEOUT: */
2015
2016 case HDM_SETHOTDIVIDER:
2017 return HEADER_SetHotDivider(infoPtr, wParam, lParam);
2018
2019 case HDM_SETIMAGELIST:
2020 return HEADER_SetImageList (infoPtr, (HIMAGELIST)lParam);
2021
2022 case HDM_SETITEMA:
2023 case HDM_SETITEMW:
2024 return HEADER_SetItemT (infoPtr, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_SETITEMW);
2025
2026 case HDM_SETORDERARRAY:
2027 return HEADER_SetOrderArray(infoPtr, (INT)wParam, (LPINT)lParam);
2028
2029 case HDM_SETUNICODEFORMAT:
2030 return HEADER_SetUnicodeFormat (infoPtr, wParam);
2031
2032 case WM_CREATE:
2033 return HEADER_Create (hwnd, (LPCREATESTRUCTW)lParam);
2034
2035 case WM_DESTROY:
2036 return HEADER_Destroy (infoPtr);
2037
2038 case WM_NCDESTROY:
2039 return HEADER_NCDestroy (infoPtr);
2040
2041 case WM_ERASEBKGND:
2042 return 1;
2043
2044 case WM_GETDLGCODE:
2045 return DLGC_WANTTAB | DLGC_WANTARROWS;
2046
2047 case WM_GETFONT:
2048 return HEADER_GetFont (infoPtr);
2049
2050 case WM_LBUTTONDBLCLK:
2051 return HEADER_LButtonDblClk (infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam));
2052
2053 case WM_LBUTTONDOWN:
2054 return HEADER_LButtonDown (infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam));
2055
2056 case WM_LBUTTONUP:
2057 return HEADER_LButtonUp (infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam));
2058
2059 case WM_MOUSELEAVE:
2060 return HEADER_MouseLeave (infoPtr);
2061
2062 case WM_MOUSEMOVE:
2063 return HEADER_MouseMove (infoPtr, lParam);
2064
2065 case WM_NOTIFYFORMAT:
2066 return HEADER_NotifyFormat (infoPtr, wParam, lParam);
2067
2068 case WM_SIZE:
2069 return HEADER_Size (infoPtr);
2070
2071 case WM_THEMECHANGED:
2072 return HEADER_ThemeChanged (infoPtr);
2073
2074 case WM_PRINTCLIENT:
2075 case WM_PAINT:
2076 return HEADER_Paint (infoPtr, (HDC)wParam);
2077
2078 case WM_RBUTTONUP:
2079 return HEADER_RButtonUp (infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam));
2080
2081 case WM_SETCURSOR:
2082 return HEADER_SetCursor (infoPtr, lParam);
2083
2084 case WM_SETFONT:
2085 return HEADER_SetFont (infoPtr, (HFONT)wParam, (WORD)lParam);
2086
2087 case WM_SETREDRAW:
2088 return HEADER_SetRedraw(infoPtr, wParam, lParam);
2089
2090 case WM_STYLECHANGED:
2091 return HEADER_StyleChanged(infoPtr, wParam, (LPSTYLESTRUCT)lParam);
2092
2093 case WM_SYSCOLORCHANGE:
2094 COMCTL32_RefreshSysColors();
2095 return 0;
2096
2097 default:
2098 if ((msg >= WM_USER) && (msg < WM_APP) && !COMCTL32_IsReflectedMessage(msg))
2099 ERR("unknown msg %04x wp=%04lx lp=%08lx\n",
2100 msg, wParam, lParam );
2101 return DefWindowProcW(hwnd, msg, wParam, lParam);
2102 }
2103 }
2104
2105
2106 VOID
2107 HEADER_Register (void)
2108 {
2109 WNDCLASSW wndClass;
2110
2111 ZeroMemory (&wndClass, sizeof(WNDCLASSW));
2112 wndClass.style = CS_GLOBALCLASS | CS_DBLCLKS;
2113 wndClass.lpfnWndProc = HEADER_WindowProc;
2114 wndClass.cbClsExtra = 0;
2115 wndClass.cbWndExtra = sizeof(HEADER_INFO *);
2116 wndClass.hCursor = LoadCursorW (0, (LPWSTR)IDC_ARROW);
2117 wndClass.lpszClassName = WC_HEADERW;
2118
2119 RegisterClassW (&wndClass);
2120 }
2121
2122
2123 VOID
2124 HEADER_Unregister (void)
2125 {
2126 UnregisterClassW (WC_HEADERW, NULL);
2127 }
Windows API implementation