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qmgr: Implement IEnumBackgroundCopyFiles_Next.
[wine.git] / dlls / comctl32 / header.c
blob5757f7a664a6849f23a9f1e5f90f2a0965c958f9
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 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 INT iMoveItem; /* index of tracked item. (Tracking mode) */
81 INT xTrackOffset; /* distance between the right side of the tracked item and the cursor */
82 INT xOldTrack; /* track offset (see above) after the last WM_MOUSEMOVE */
83 INT iHotItem; /* index of hot item (cursor is over this item) */
84 INT iHotDivider; /* index of the hot divider (used while dragging an item or by HDM_SETHOTDIVIDER) */
85 INT iMargin; /* width of the margin that surrounds a bitmap */
86
87 HIMAGELIST himl; /* handle to an image list (may be 0) */
88 HEADER_ITEM *items; /* pointer to array of HEADER_ITEM's */
89 INT *order; /* array of item IDs indexed by order */
90 BOOL bRectsValid; /* validity flag for bounding rectangles */
91 } HEADER_INFO;
92
93
94 #define VERT_BORDER 4
95 #define DIVIDER_WIDTH 10
96 #define HOT_DIVIDER_WIDTH 2
97 #define MAX_HEADER_TEXT_LEN 260
98 #define HDN_UNICODE_OFFSET 20
99 #define HDN_FIRST_UNICODE (HDN_FIRST-HDN_UNICODE_OFFSET)
100
101 #define HDI_SUPPORTED_FIELDS (HDI_WIDTH|HDI_TEXT|HDI_FORMAT|HDI_LPARAM|HDI_BITMAP|HDI_IMAGE|HDI_ORDER)
102 #define HDI_UNSUPPORTED_FIELDS (HDI_FILTER)
103 #define HDI_UNKNOWN_FIELDS (~(HDI_SUPPORTED_FIELDS|HDI_UNSUPPORTED_FIELDS|HDI_DI_SETITEM))
104 #define HDI_COMCTL32_4_0_FIELDS (HDI_WIDTH|HDI_TEXT|HDI_FORMAT|HDI_LPARAM|HDI_BITMAP)
105
106 #define HEADER_GetInfoPtr(hwnd) ((HEADER_INFO *)GetWindowLongPtrW(hwnd,0))
107
108 static BOOL HEADER_PrepareCallbackItems(HWND hwnd, INT iItem, INT reqMask);
109 static void HEADER_FreeCallbackItems(HEADER_ITEM *lpItem);
110 static LRESULT HEADER_SendNotify(HWND hwnd, UINT code, NMHDR *hdr);
111 static LRESULT HEADER_SendCtrlCustomDraw(HWND hwnd, DWORD dwDrawStage, HDC hdc, const RECT *rect);
112
113 static const WCHAR themeClass[] = {'H','e','a','d','e','r',0};
114 static WCHAR emptyString[] = {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 LPWSTR pszText = (phdi->pszText != NULL ? phdi->pszText : emptyString);
150 if (fUnicode)
151 Str_SetPtrW(&lpItem->pszText, pszText);
152 else
153 Str_SetPtrAtoW(&lpItem->pszText, (LPSTR)pszText);
154 lpItem->callbackMask &= ~HDI_TEXT;
155 }
156 else
157 {
158 lpItem->pszText = NULL;
159 lpItem->callbackMask |= HDI_TEXT;
160 }
161 }
162 }
163
164 static inline LRESULT
165 HEADER_IndexToOrder (HWND hwnd, INT iItem)
166 {
167 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
168 HEADER_ITEM *lpItem = &infoPtr->items[iItem];
169 return lpItem->iOrder;
170 }
171
172
173 static INT
174 HEADER_OrderToIndex(HWND hwnd, WPARAM wParam)
175 {
176 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
177 INT iorder = (INT)wParam;
178
179 if ((iorder <0) || iorder >= infoPtr->uNumItem)
180 return iorder;
181 return infoPtr->order[iorder];
182 }
183
184 static void
185 HEADER_ChangeItemOrder(const HEADER_INFO *infoPtr, INT iItem, INT iNewOrder)
186 {
187 HEADER_ITEM *lpItem = &infoPtr->items[iItem];
188 INT i, nMin, nMax;
189
190 TRACE("%d: %d->%d\n", iItem, lpItem->iOrder, iNewOrder);
191 if (lpItem->iOrder < iNewOrder)
192 {
193 memmove(&infoPtr->order[lpItem->iOrder],
194 &infoPtr->order[lpItem->iOrder + 1],
195 (iNewOrder - lpItem->iOrder) * sizeof(INT));
196 }
197 if (iNewOrder < lpItem->iOrder)
198 {
199 memmove(&infoPtr->order[iNewOrder + 1],
200 &infoPtr->order[iNewOrder],
201 (lpItem->iOrder - iNewOrder) * sizeof(INT));
202 }
203 infoPtr->order[iNewOrder] = iItem;
204 nMin = min(lpItem->iOrder, iNewOrder);
205 nMax = max(lpItem->iOrder, iNewOrder);
206 for (i = nMin; i <= nMax; i++)
207 infoPtr->items[infoPtr->order[i]].iOrder = i;
208 }
209
210 /* Note: if iItem is the last item then this function returns infoPtr->uNumItem */
211 static INT
212 HEADER_NextItem(HWND hwnd, INT iItem)
213 {
214 return HEADER_OrderToIndex(hwnd, HEADER_IndexToOrder(hwnd, iItem)+1);
215 }
216
217 static INT
218 HEADER_PrevItem(HWND hwnd, INT iItem)
219 {
220 return HEADER_OrderToIndex(hwnd, HEADER_IndexToOrder(hwnd, iItem)-1);
221 }
222
223 static void
224 HEADER_SetItemBounds (HWND hwnd)
225 {
226 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
227 HEADER_ITEM *phdi;
228 RECT rect;
229 unsigned int i;
230 int x;
231
232 infoPtr->bRectsValid = TRUE;
233
234 if (infoPtr->uNumItem == 0)
235 return;
236
237 GetClientRect (hwnd, &rect);
238
239 x = rect.left;
240 for (i = 0; i < infoPtr->uNumItem; i++) {
241 phdi = &infoPtr->items[HEADER_OrderToIndex(hwnd,i)];
242 phdi->rect.top = rect.top;
243 phdi->rect.bottom = rect.bottom;
244 phdi->rect.left = x;
245 phdi->rect.right = phdi->rect.left + ((phdi->cxy>0)?phdi->cxy:0);
246 x = phdi->rect.right;
247 }
248 }
249
250 static LRESULT
251 HEADER_Size (HWND hwnd, WPARAM wParam)
252 {
253 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
254
255 infoPtr->bRectsValid = FALSE;
256
257 return 0;
258 }
259
260 static void HEADER_GetHotDividerRect(HWND hwnd, const HEADER_INFO *infoPtr, RECT *r)
261 {
262 INT iDivider = infoPtr->iHotDivider;
263 if (infoPtr->uNumItem > 0)
264 {
265 HEADER_ITEM *lpItem;
266
267 if (iDivider < infoPtr->uNumItem)
268 {
269 lpItem = &infoPtr->items[iDivider];
270 r->left = lpItem->rect.left - HOT_DIVIDER_WIDTH/2;
271 r->right = lpItem->rect.left + HOT_DIVIDER_WIDTH/2;
272 }
273 else
274 {
275 lpItem = &infoPtr->items[HEADER_OrderToIndex(hwnd, infoPtr->uNumItem-1)];
276 r->left = lpItem->rect.right - HOT_DIVIDER_WIDTH/2;
277 r->right = lpItem->rect.right + HOT_DIVIDER_WIDTH/2;
278 }
279 r->top = lpItem->rect.top;
280 r->bottom = lpItem->rect.bottom;
281 }
282 else
283 {
284 RECT clientRect;
285 GetClientRect(hwnd, &clientRect);
286 *r = clientRect;
287 r->right = r->left + HOT_DIVIDER_WIDTH/2;
288 }
289 }
290
291
292 static INT
293 HEADER_DrawItem (HWND hwnd, HDC hdc, INT iItem, BOOL bHotTrack, LRESULT lCDFlags)
294 {
295 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
296 HEADER_ITEM *phdi = &infoPtr->items[iItem];
297 RECT r;
298 INT oldBkMode;
299 HTHEME theme = GetWindowTheme (hwnd);
300 NMCUSTOMDRAW nmcd;
301
302 TRACE("DrawItem(iItem %d bHotTrack %d unicode flag %d)\n", iItem, bHotTrack, (infoPtr->nNotifyFormat == NFR_UNICODE));
303
304 r = phdi->rect;
305 if (r.right - r.left == 0)
306 return phdi->rect.right;
307
308 /* Set the colors before sending NM_CUSTOMDRAW so that it can change them */
309 SetTextColor(hdc, (bHotTrack && !theme) ? COLOR_HIGHLIGHT : COLOR_BTNTEXT);
310 SetBkColor(hdc, GetSysColor(COLOR_3DFACE));
311
312 if (lCDFlags & CDRF_NOTIFYITEMDRAW && !(phdi->fmt & HDF_OWNERDRAW))
313 {
314 LRESULT lCDItemFlags;
315
316 nmcd.dwDrawStage = CDDS_PREPAINT | CDDS_ITEM;
317 nmcd.hdc = hdc;
318 nmcd.dwItemSpec = iItem;
319 nmcd.rc = r;
320 nmcd.uItemState = phdi->bDown ? CDIS_SELECTED : 0;
321 nmcd.lItemlParam = phdi->lParam;
322
323 lCDItemFlags = HEADER_SendNotify(hwnd, NM_CUSTOMDRAW, (NMHDR *)&nmcd);
324 if (lCDItemFlags & CDRF_SKIPDEFAULT)
325 return phdi->rect.right;
326 }
327
328 if (theme != NULL) {
329 int state = (phdi->bDown) ? HIS_PRESSED :
330 (bHotTrack ? HIS_HOT : HIS_NORMAL);
331 DrawThemeBackground (theme, hdc, HP_HEADERITEM, state,
332 &r, NULL);
333 GetThemeBackgroundContentRect (theme, hdc, HP_HEADERITEM, state,
334 &r, &r);
335 }
336 else {
337 HBRUSH hbr;
338
339 if (GetWindowLongW (hwnd, GWL_STYLE) & HDS_BUTTONS) {
340 if (phdi->bDown) {
341 DrawEdge (hdc, &r, BDR_RAISEDOUTER,
342 BF_RECT | BF_FLAT | BF_MIDDLE | BF_ADJUST);
343 }
344 else
345 DrawEdge (hdc, &r, EDGE_RAISED,
346 BF_RECT | BF_SOFT | BF_MIDDLE | BF_ADJUST);
347 }
348 else
349 DrawEdge (hdc, &r, EDGE_ETCHED, BF_BOTTOM | BF_RIGHT | BF_ADJUST);
350
351 hbr = CreateSolidBrush(GetBkColor(hdc));
352 FillRect(hdc, &r, hbr);
353 DeleteObject(hbr);
354 }
355 if (phdi->bDown) {
356 r.left += 2;
357 r.top += 2;
358 }
359
360 if (phdi->fmt & HDF_OWNERDRAW) {
361 DRAWITEMSTRUCT dis;
362
363 dis.CtlType = ODT_HEADER;
364 dis.CtlID = GetWindowLongPtrW (hwnd, GWLP_ID);
365 dis.itemID = iItem;
366 dis.itemAction = ODA_DRAWENTIRE;
367 dis.itemState = phdi->bDown ? ODS_SELECTED : 0;
368 dis.hwndItem = hwnd;
369 dis.hDC = hdc;
370 dis.rcItem = phdi->rect;
371 dis.itemData = phdi->lParam;
372 oldBkMode = SetBkMode(hdc, TRANSPARENT);
373 SendMessageW (infoPtr->hwndNotify, WM_DRAWITEM,
374 (WPARAM)dis.CtlID, (LPARAM)&dis);
375 if (oldBkMode != TRANSPARENT)
376 SetBkMode(hdc, oldBkMode);
377 }
378 else {
379 UINT rw, rh, /* width and height of r */
380 *x = NULL, *w = NULL; /* x and width of the pic (bmp or img) which is part of cnt */
381 /* cnt,txt,img,bmp */
382 UINT cx, tx, ix, bx,
383 cw, tw, iw, bw;
384 BITMAP bmp;
385
386 HEADER_PrepareCallbackItems(hwnd, iItem, HDI_TEXT|HDI_IMAGE);
387 cw = tw = iw = bw = 0;
388 rw = r.right - r.left;
389 rh = r.bottom - r.top;
390
391 if (phdi->fmt & HDF_STRING) {
392 RECT textRect;
393
394 SetRectEmpty(&textRect);
395 DrawTextW (hdc, phdi->pszText, -1,
396 &textRect, DT_LEFT|DT_VCENTER|DT_SINGLELINE|DT_CALCRECT);
397 cw = textRect.right - textRect.left + 2 * infoPtr->iMargin;
398 }
399
400 if ((phdi->fmt & HDF_IMAGE) && (infoPtr->himl)) {
401 iw = infoPtr->himl->cx + 2 * infoPtr->iMargin;
402 x = &ix;
403 w = &iw;
404 }
405
406 if ((phdi->fmt & HDF_BITMAP) && (phdi->hbm)) {
407 GetObjectW (phdi->hbm, sizeof(BITMAP), (LPVOID)&bmp);
408 bw = bmp.bmWidth + 2 * infoPtr->iMargin;
409 if (!iw) {
410 x = &bx;
411 w = &bw;
412 }
413 }
414
415 if (bw || iw)
416 cw += *w;
417
418 /* align cx using the unclipped cw */
419 if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_LEFT)
420 cx = r.left;
421 else if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_CENTER)
422 cx = r.left + rw / 2 - cw / 2;
423 else /* HDF_RIGHT */
424 cx = r.right - cw;
425
426 /* clip cx & cw */
427 if (cx < r.left)
428 cx = r.left;
429 if (cx + cw > r.right)
430 cw = r.right - cx;
431
432 tx = cx + infoPtr->iMargin;
433 /* since cw might have changed we have to recalculate tw */
434 tw = cw - infoPtr->iMargin * 2;
435
436 if (iw || bw) {
437 tw -= *w;
438 if (phdi->fmt & HDF_BITMAP_ON_RIGHT) {
439 /* put pic behind text */
440 *x = cx + tw + infoPtr->iMargin * 3;
441 } else {
442 *x = cx + infoPtr->iMargin;
443 /* move text behind pic */
444 tx += *w;
445 }
446 }
447
448 if (iw && bw) {
449 /* since we're done with the layout we can
450 now calculate the position of bmp which
451 has no influence on alignment and layout
452 because of img */
453 if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_RIGHT)
454 bx = cx - bw + infoPtr->iMargin;
455 else
456 bx = cx + cw + infoPtr->iMargin;
457 }
458
459 if (iw || bw) {
460 HDC hClipDC = GetDC(hwnd);
461 HRGN hClipRgn = CreateRectRgn(r.left, r.top, r.right, r.bottom);
462 SelectClipRgn(hClipDC, hClipRgn);
463
464 if (bw) {
465 HDC hdcBitmap = CreateCompatibleDC (hClipDC);
466 SelectObject (hdcBitmap, phdi->hbm);
467 BitBlt (hClipDC, bx, r.top + ((INT)rh - bmp.bmHeight) / 2,
468 bmp.bmWidth, bmp.bmHeight, hdcBitmap, 0, 0, SRCCOPY);
469 DeleteDC (hdcBitmap);
470 }
471
472 if (iw) {
473 ImageList_DrawEx (infoPtr->himl, phdi->iImage, hClipDC,
474 ix, r.top + ((INT)rh - infoPtr->himl->cy) / 2,
475 infoPtr->himl->cx, infoPtr->himl->cy, CLR_DEFAULT, CLR_DEFAULT, 0);
476 }
477
478 DeleteObject(hClipRgn);
479 ReleaseDC(hwnd, hClipDC);
480 }
481
482 if (((phdi->fmt & HDF_STRING)
483 || (!(phdi->fmt & (HDF_OWNERDRAW|HDF_STRING|HDF_BITMAP|
484 HDF_BITMAP_ON_RIGHT|HDF_IMAGE)))) /* no explicit format specified? */
485 && (phdi->pszText)) {
486 oldBkMode = SetBkMode(hdc, TRANSPARENT);
487 r.left = tx;
488 r.right = tx + tw;
489 DrawTextW (hdc, phdi->pszText, -1,
490 &r, DT_LEFT|DT_END_ELLIPSIS|DT_VCENTER|DT_SINGLELINE);
491 if (oldBkMode != TRANSPARENT)
492 SetBkMode(hdc, oldBkMode);
493 }
494 HEADER_FreeCallbackItems(phdi);
495 }/*Ownerdrawn*/
496
497 return phdi->rect.right;
498 }
499
500 static void
501 HEADER_DrawHotDivider(HWND hwnd, HDC hdc)
502 {
503 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
504 HBRUSH brush;
505 RECT r;
506
507 HEADER_GetHotDividerRect(hwnd, infoPtr, &r);
508 brush = CreateSolidBrush(GetSysColor(COLOR_HIGHLIGHT));
509 FillRect(hdc, &r, brush);
510 DeleteObject(brush);
511 }
512
513 static void
514 HEADER_Refresh (HWND hwnd, HDC hdc)
515 {
516 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
517 HFONT hFont, hOldFont;
518 RECT rect, rcRest;
519 HBRUSH hbrBk;
520 UINT i;
521 INT x;
522 LRESULT lCDFlags;
523 HTHEME theme = GetWindowTheme (hwnd);
524
525 if (!infoPtr->bRectsValid)
526 HEADER_SetItemBounds(hwnd);
527
528 /* get rect for the bar, adjusted for the border */
529 GetClientRect (hwnd, &rect);
530 lCDFlags = HEADER_SendCtrlCustomDraw(hwnd, CDDS_PREPAINT, hdc, &rect);
531
532 if (infoPtr->bDragging)
533 ImageList_DragShowNolock(FALSE);
534
535 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT);
536 hOldFont = SelectObject (hdc, hFont);
537
538 /* draw Background */
539 if (infoPtr->uNumItem == 0 && theme == NULL) {
540 hbrBk = GetSysColorBrush(COLOR_3DFACE);
541 FillRect(hdc, &rect, hbrBk);
542 }
543
544 x = rect.left;
545 for (i = 0; x <= rect.right && i < infoPtr->uNumItem; i++) {
546 int idx = HEADER_OrderToIndex(hwnd,i);
547 if (RectVisible(hdc, &infoPtr->items[idx].rect))
548 HEADER_DrawItem(hwnd, hdc, idx, infoPtr->iHotItem == idx, lCDFlags);
549 x = infoPtr->items[idx].rect.right;
550 }
551
552 rcRest = rect;
553 rcRest.left = x;
554 if ((x <= rect.right) && RectVisible(hdc, &rcRest) && (infoPtr->uNumItem > 0)) {
555 if (theme != NULL) {
556 DrawThemeBackground(theme, hdc, HP_HEADERITEM, HIS_NORMAL, &rcRest, NULL);
557 }
558 else {
559 if (GetWindowLongW (hwnd, GWL_STYLE) & 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(hwnd, hdc);
568
569 if (infoPtr->bDragging)
570 ImageList_DragShowNolock(TRUE);
571 SelectObject (hdc, hOldFont);
572
573 if (lCDFlags & CDRF_NOTIFYPOSTPAINT)
574 HEADER_SendCtrlCustomDraw(hwnd, CDDS_POSTPAINT, hdc, &rect);
575 }
576
577
578 static void
579 HEADER_RefreshItem (HWND hwnd, HDC hdc, INT iItem)
580 {
581 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
582
583 if (!infoPtr->bRectsValid)
584 HEADER_SetItemBounds(hwnd);
585
586 InvalidateRect(hwnd, &infoPtr->items[iItem].rect, FALSE);
587 }
588
589
590 static void
591 HEADER_InternalHitTest (HWND hwnd, const POINT *lpPt, UINT *pFlags, INT *pItem)
592 {
593 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
594 RECT rect, rcTest;
595 UINT iCount;
596 INT width;
597 BOOL bNoWidth;
598
599 GetClientRect (hwnd, &rect);
600
601 *pFlags = 0;
602 bNoWidth = FALSE;
603 if (PtInRect (&rect, *lpPt))
604 {
605 if (infoPtr->uNumItem == 0) {
606 *pFlags |= HHT_NOWHERE;
607 *pItem = 1;
608 TRACE("NOWHERE\n");
609 return;
610 }
611 else {
612 /* somewhere inside */
613 for (iCount = 0; iCount < infoPtr->uNumItem; iCount++) {
614 rect = infoPtr->items[iCount].rect;
615 width = rect.right - rect.left;
616 if (width == 0) {
617 bNoWidth = TRUE;
618 continue;
619 }
620 if (PtInRect (&rect, *lpPt)) {
621 if (width <= 2 * DIVIDER_WIDTH) {
622 *pFlags |= HHT_ONHEADER;
623 *pItem = iCount;
624 TRACE("ON HEADER %d\n", iCount);
625 return;
626 }
627 if (HEADER_IndexToOrder(hwnd, iCount) > 0) {
628 rcTest = rect;
629 rcTest.right = rcTest.left + DIVIDER_WIDTH;
630 if (PtInRect (&rcTest, *lpPt)) {
631 if (bNoWidth) {
632 *pFlags |= HHT_ONDIVOPEN;
633 *pItem = HEADER_PrevItem(hwnd, iCount);
634 TRACE("ON DIVOPEN %d\n", *pItem);
635 return;
636 }
637 else {
638 *pFlags |= HHT_ONDIVIDER;
639 *pItem = HEADER_PrevItem(hwnd, iCount);
640 TRACE("ON DIVIDER %d\n", *pItem);
641 return;
642 }
643 }
644 }
645 rcTest = rect;
646 rcTest.left = rcTest.right - DIVIDER_WIDTH;
647 if (PtInRect (&rcTest, *lpPt)) {
648 *pFlags |= HHT_ONDIVIDER;
649 *pItem = iCount;
650 TRACE("ON DIVIDER %d\n", *pItem);
651 return;
652 }
653
654 *pFlags |= HHT_ONHEADER;
655 *pItem = iCount;
656 TRACE("ON HEADER %d\n", iCount);
657 return;
658 }
659 }
660
661 /* check for last divider part (on nowhere) */
662 rect = infoPtr->items[infoPtr->uNumItem-1].rect;
663 rect.left = rect.right;
664 rect.right += DIVIDER_WIDTH;
665 if (PtInRect (&rect, *lpPt)) {
666 if (bNoWidth) {
667 *pFlags |= HHT_ONDIVOPEN;
668 *pItem = infoPtr->uNumItem - 1;
669 TRACE("ON DIVOPEN %d\n", *pItem);
670 return;
671 }
672 else {
673 *pFlags |= HHT_ONDIVIDER;
674 *pItem = infoPtr->uNumItem-1;
675 TRACE("ON DIVIDER %d\n", *pItem);
676 return;
677 }
678 }
679
680 *pFlags |= HHT_NOWHERE;
681 *pItem = 1;
682 TRACE("NOWHERE\n");
683 return;
684 }
685 }
686 else {
687 if (lpPt->x < rect.left) {
688 TRACE("TO LEFT\n");
689 *pFlags |= HHT_TOLEFT;
690 }
691 else if (lpPt->x > rect.right) {
692 TRACE("TO RIGHT\n");
693 *pFlags |= HHT_TORIGHT;
694 }
695
696 if (lpPt->y < rect.top) {
697 TRACE("ABOVE\n");
698 *pFlags |= HHT_ABOVE;
699 }
700 else if (lpPt->y > rect.bottom) {
701 TRACE("BELOW\n");
702 *pFlags |= HHT_BELOW;
703 }
704 }
705
706 *pItem = 1;
707 TRACE("flags=0x%X\n", *pFlags);
708 return;
709 }
710
711
712 static void
713 HEADER_DrawTrackLine (HWND hwnd, HDC hdc, INT x)
714 {
715 RECT rect;
716 HPEN hOldPen;
717 INT oldRop;
718
719 GetClientRect (hwnd, &rect);
720
721 hOldPen = SelectObject (hdc, GetStockObject (BLACK_PEN));
722 oldRop = SetROP2 (hdc, R2_XORPEN);
723 MoveToEx (hdc, x, rect.top, NULL);
724 LineTo (hdc, x, rect.bottom);
725 SetROP2 (hdc, oldRop);
726 SelectObject (hdc, hOldPen);
727 }
728
729 /***
730 * DESCRIPTION:
731 * Convert a HDITEM into the correct format (ANSI/Unicode) to send it in a notify
732 *
733 * PARAMETER(S):
734 * [I] infoPtr : the header that wants to send the notify
735 * [O] dest : The buffer to store the HDITEM for notify. It may be set to a HDITEMA of HDITEMW
736 * [I] src : The source HDITEM. It may be a HDITEMA or HDITEMW
737 * [I] fSourceUnicode : is src a HDITEMW or HDITEMA
738 * [O] ppvScratch : a pointer to a scratch buffer that needs to be freed after
739 * the HDITEM is no longer in use or NULL if none was needed
740 *
741 * NOTE: We depend on HDITEMA and HDITEMW having the same structure
742 */
743 static void HEADER_CopyHDItemForNotify(const HEADER_INFO *infoPtr, HDITEMW *dest,
744 const HDITEMW *src, BOOL fSourceUnicode, LPVOID *ppvScratch)
745 {
746 *ppvScratch = NULL;
747 *dest = *src;
748
749 if (src->mask & HDI_TEXT && src->pszText != LPSTR_TEXTCALLBACKW) /* covers TEXTCALLBACKA as well */
750 {
751 if (fSourceUnicode && infoPtr->nNotifyFormat != NFR_UNICODE)
752 {
753 dest->pszText = NULL;
754 Str_SetPtrWtoA((LPSTR *)&dest->pszText, src->pszText);
755 *ppvScratch = dest->pszText;
756 }
757
758 if (!fSourceUnicode && infoPtr->nNotifyFormat == NFR_UNICODE)
759 {
760 dest->pszText = NULL;
761 Str_SetPtrAtoW(&dest->pszText, (LPSTR)src->pszText);
762 *ppvScratch = dest->pszText;
763 }
764 }
765 }
766
767 static UINT HEADER_NotifyCodeWtoA(UINT code)
768 {
769 /* we use the fact that all the unicode messages are in HDN_FIRST_UNICODE..HDN_LAST*/
770 if (code >= HDN_LAST && code <= HDN_FIRST_UNICODE)
771 return code + HDN_UNICODE_OFFSET;
772 else
773 return code;
774 }
775
776 static LRESULT
777 HEADER_SendNotify(HWND hwnd, UINT code, NMHDR *nmhdr)
778 {
779 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
780
781 nmhdr->hwndFrom = hwnd;
782 nmhdr->idFrom = GetWindowLongPtrW (hwnd, GWLP_ID);
783 nmhdr->code = code;
784
785 return SendMessageW(infoPtr->hwndNotify, WM_NOTIFY,
786 nmhdr->idFrom, (LPARAM)nmhdr);
787 }
788
789 static BOOL
790 HEADER_SendSimpleNotify (HWND hwnd, UINT code)
791 {
792 NMHDR nmhdr;
793 return (BOOL)HEADER_SendNotify(hwnd, code, &nmhdr);
794 }
795
796 static LRESULT
797 HEADER_SendCtrlCustomDraw(HWND hwnd, DWORD dwDrawStage, HDC hdc, const RECT *rect)
798 {
799 NMCUSTOMDRAW nm;
800 nm.dwDrawStage = dwDrawStage;
801 nm.hdc = hdc;
802 nm.rc = *rect;
803 nm.dwItemSpec = 0;
804 nm.uItemState = 0;
805 nm.lItemlParam = 0;
806
807 return HEADER_SendNotify(hwnd, NM_CUSTOMDRAW, (NMHDR *)&nm);
808 }
809
810 static BOOL
811 HEADER_SendNotifyWithHDItemT(HWND hwnd, UINT code, INT iItem, HDITEMW *lpItem)
812 {
813 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
814 NMHEADERW nmhdr;
815
816 if (infoPtr->nNotifyFormat != NFR_UNICODE)
817 code = HEADER_NotifyCodeWtoA(code);
818 nmhdr.iItem = iItem;
819 nmhdr.iButton = 0;
820 nmhdr.pitem = lpItem;
821
822 return (BOOL)HEADER_SendNotify(hwnd, code, (NMHDR *)&nmhdr);
823 }
824
825 static BOOL
826 HEADER_SendNotifyWithIntFieldT(HWND hwnd, UINT code, INT iItem, INT mask, INT iValue)
827 {
828 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
829 HDITEMW nmitem;
830
831 /* copying only the iValue should be ok but to make the code more robust we copy everything */
832 nmitem.cxy = infoPtr->items[iItem].cxy;
833 nmitem.hbm = infoPtr->items[iItem].hbm;
834 nmitem.pszText = NULL;
835 nmitem.cchTextMax = 0;
836 nmitem.fmt = infoPtr->items[iItem].fmt;
837 nmitem.lParam = infoPtr->items[iItem].lParam;
838 nmitem.iOrder = infoPtr->items[iItem].iOrder;
839 nmitem.iImage = infoPtr->items[iItem].iImage;
840
841 nmitem.mask = mask;
842 switch (mask)
843 {
844 case HDI_WIDTH:
845 nmitem.cxy = iValue;
846 break;
847 case HDI_ORDER:
848 nmitem.iOrder = iValue;
849 break;
850 default:
851 ERR("invalid mask value 0x%x\n", iValue);
852 }
853
854 return HEADER_SendNotifyWithHDItemT(hwnd, code, iItem, &nmitem);
855 }
856
857 /**
858 * Prepare callback items
859 * depends on NMHDDISPINFOW having same structure as NMHDDISPINFOA
860 * (so we handle the two cases only doing a specific cast for pszText).
861 * Checks if any of the required field are callback. If there are sends a
862 * NMHDISPINFO notify to retrieve these items. The items are stored in the
863 * HEADER_ITEM pszText and iImage fields. They should be freed with
864 * HEADER_FreeCallbackItems.
865 *
866 * @param hwnd : hwnd header container handler
867 * @param iItem : the header item id
868 * @param reqMask : required fields. If any of them is callback this function will fetch it
869 *
870 * @return TRUE on success, else FALSE
871 */
872 static BOOL
873 HEADER_PrepareCallbackItems(HWND hwnd, INT iItem, INT reqMask)
874 {
875 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
876 HEADER_ITEM *lpItem = &infoPtr->items[iItem];
877 DWORD mask = reqMask & lpItem->callbackMask;
878 NMHDDISPINFOW dispInfo;
879 void *pvBuffer = NULL;
880
881 if (mask == 0)
882 return TRUE;
883 if (mask&HDI_TEXT && lpItem->pszText != NULL)
884 {
885 ERR("(): function called without a call to FreeCallbackItems\n");
886 Free(lpItem->pszText);
887 lpItem->pszText = NULL;
888 }
889
890 memset(&dispInfo, 0, sizeof(NMHDDISPINFOW));
891 dispInfo.hdr.hwndFrom = hwnd;
892 dispInfo.hdr.idFrom = GetWindowLongPtrW (hwnd, GWLP_ID);
893 if (infoPtr->nNotifyFormat == NFR_UNICODE)
894 {
895 dispInfo.hdr.code = HDN_GETDISPINFOW;
896 if (mask & HDI_TEXT)
897 pvBuffer = Alloc(MAX_HEADER_TEXT_LEN * sizeof(WCHAR));
898 }
899 else
900 {
901 dispInfo.hdr.code = HDN_GETDISPINFOA;
902 if (mask & HDI_TEXT)
903 pvBuffer = Alloc(MAX_HEADER_TEXT_LEN * sizeof(CHAR));
904 }
905 dispInfo.pszText = (LPWSTR)pvBuffer;
906 dispInfo.cchTextMax = (pvBuffer!=NULL?MAX_HEADER_TEXT_LEN:0);
907 dispInfo.iItem = iItem;
908 dispInfo.mask = mask;
909 dispInfo.lParam = lpItem->lParam;
910
911 TRACE("Sending HDN_GETDISPINFO%c\n", infoPtr->nNotifyFormat == NFR_UNICODE?'W':'A');
912 SendMessageW(infoPtr->hwndNotify, WM_NOTIFY, dispInfo.hdr.idFrom, (LPARAM)&dispInfo);
913
914 TRACE("SendMessage returns(mask:0x%x,str:%s,lParam:%p)\n",
915 dispInfo.mask,
916 (infoPtr->nNotifyFormat == NFR_UNICODE ? debugstr_w(dispInfo.pszText) : (LPSTR) dispInfo.pszText),
917 (void*) dispInfo.lParam);
918
919 if (mask & HDI_IMAGE)
920 lpItem->iImage = dispInfo.iImage;
921 if (mask & HDI_TEXT)
922 {
923 if (infoPtr->nNotifyFormat == NFR_UNICODE)
924 {
925 lpItem->pszText = (LPWSTR)pvBuffer;
926
927 /* the user might have used his own buffer */
928 if (dispInfo.pszText != lpItem->pszText)
929 Str_GetPtrW(dispInfo.pszText, lpItem->pszText, MAX_HEADER_TEXT_LEN);
930 }
931 else
932 {
933 Str_SetPtrAtoW(&lpItem->pszText, (LPSTR)dispInfo.pszText);
934 Free(pvBuffer);
935 }
936 }
937
938 if (dispInfo.mask & HDI_DI_SETITEM)
939 {
940 /* make the items permanent */
941 lpItem->callbackMask &= ~dispInfo.mask;
942 }
943
944 return TRUE;
945 }
946
947 /***
948 * DESCRIPTION:
949 * Free the items that might be allocated with HEADER_PrepareCallbackItems
950 *
951 * PARAMETER(S):
952 * [I] lpItem : the item to free the data
953 *
954 */
955 static void
956 HEADER_FreeCallbackItems(HEADER_ITEM *lpItem)
957 {
958 if (lpItem->callbackMask&HDI_TEXT)
959 {
960 Free(lpItem->pszText);
961 lpItem->pszText = NULL;
962 }
963
964 if (lpItem->callbackMask&HDI_IMAGE)
965 lpItem->iImage = I_IMAGECALLBACK;
966 }
967
968 static LRESULT
969 HEADER_CreateDragImage (HWND hwnd, WPARAM wParam)
970 {
971 HEADER_INFO *infoPtr = HEADER_GetInfoPtr(hwnd);
972 HEADER_ITEM *lpItem;
973 HIMAGELIST himl;
974 HBITMAP hMemory, hOldBitmap;
975 LRESULT lCDFlags;
976 RECT rc;
977 HDC hMemoryDC;
978 HDC hDeviceDC;
979 int height, width;
980 HFONT hFont;
981
982 if (wParam >= infoPtr->uNumItem)
983 return FALSE;
984
985 if (!infoPtr->bRectsValid)
986 HEADER_SetItemBounds(hwnd);
987
988 lpItem = &infoPtr->items[wParam];
989 width = lpItem->rect.right - lpItem->rect.left;
990 height = lpItem->rect.bottom - lpItem->rect.top;
991
992 hDeviceDC = GetDC(NULL);
993 hMemoryDC = CreateCompatibleDC(hDeviceDC);
994 hMemory = CreateCompatibleBitmap(hDeviceDC, width, height);
995 ReleaseDC(NULL, hDeviceDC);
996 hOldBitmap = SelectObject(hMemoryDC, hMemory);
997 SetViewportOrgEx(hMemoryDC, -lpItem->rect.left, -lpItem->rect.top, NULL);
998 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject(SYSTEM_FONT);
999 SelectObject(hMemoryDC, hFont);
1000
1001 GetClientRect(hwnd, &rc);
1002 lCDFlags = HEADER_SendCtrlCustomDraw(hwnd, CDDS_PREPAINT, hMemoryDC, &rc);
1003 HEADER_DrawItem(hwnd, hMemoryDC, wParam, FALSE, lCDFlags);
1004 if (lCDFlags & CDRF_NOTIFYPOSTPAINT)
1005 HEADER_SendCtrlCustomDraw(hwnd, CDDS_POSTPAINT, hMemoryDC, &rc);
1006
1007 hMemory = SelectObject(hMemoryDC, hOldBitmap);
1008 DeleteDC(hMemoryDC);
1009
1010 if (hMemory == NULL) /* if anything failed */
1011 return FALSE;
1012
1013 himl = ImageList_Create(width, height, ILC_COLORDDB, 1, 1);
1014 ImageList_Add(himl, hMemory, NULL);
1015 DeleteObject(hMemory);
1016 return (LRESULT)himl;
1017 }
1018
1019 static LRESULT
1020 HEADER_SetHotDivider(HWND hwnd, WPARAM wParam, LPARAM lParam)
1021 {
1022 HEADER_INFO *infoPtr = HEADER_GetInfoPtr(hwnd);
1023 INT iDivider;
1024 RECT r;
1025
1026 if (wParam)
1027 {
1028 POINT pt;
1029 UINT flags;
1030 pt.x = (INT)(SHORT)LOWORD(lParam);
1031 pt.y = 0;
1032 HEADER_InternalHitTest (hwnd, &pt, &flags, &iDivider);
1033
1034 if (flags & HHT_TOLEFT)
1035 iDivider = 0;
1036 else if (flags & HHT_NOWHERE || flags & HHT_TORIGHT)
1037 iDivider = infoPtr->uNumItem;
1038 else
1039 {
1040 HEADER_ITEM *lpItem = &infoPtr->items[iDivider];
1041 if (pt.x > (lpItem->rect.left+lpItem->rect.right)/2)
1042 iDivider = HEADER_NextItem(hwnd, iDivider);
1043 }
1044 }
1045 else
1046 iDivider = (INT)lParam;
1047
1048 /* Note; wParam==FALSE, lParam==-1 is valid and is used to clear the hot divider */
1049 if (iDivider<-1 || iDivider>(int)infoPtr->uNumItem)
1050 return iDivider;
1051
1052 if (iDivider != infoPtr->iHotDivider)
1053 {
1054 if (infoPtr->iHotDivider != -1)
1055 {
1056 HEADER_GetHotDividerRect(hwnd, infoPtr, &r);
1057 InvalidateRect(hwnd, &r, FALSE);
1058 }
1059 infoPtr->iHotDivider = iDivider;
1060 if (iDivider != -1)
1061 {
1062 HEADER_GetHotDividerRect(hwnd, infoPtr, &r);
1063 InvalidateRect(hwnd, &r, FALSE);
1064 }
1065 }
1066 return iDivider;
1067 }
1068
1069 static LRESULT
1070 HEADER_DeleteItem (HWND hwnd, WPARAM wParam)
1071 {
1072 HEADER_INFO *infoPtr = HEADER_GetInfoPtr(hwnd);
1073 INT iItem = (INT)wParam;
1074 INT iOrder;
1075 INT i;
1076
1077 TRACE("[iItem=%d]\n", iItem);
1078
1079 if ((iItem < 0) || (iItem >= (INT)infoPtr->uNumItem))
1080 return FALSE;
1081
1082 for (i = 0; i < infoPtr->uNumItem; i++)
1083 TRACE("%d: order=%d, iOrder=%d, ->iOrder=%d\n", i, infoPtr->order[i], infoPtr->items[i].iOrder, infoPtr->items[infoPtr->order[i]].iOrder);
1084
1085 iOrder = infoPtr->items[iItem].iOrder;
1086 Free(infoPtr->items[iItem].pszText);
1087
1088 infoPtr->uNumItem--;
1089 memmove(&infoPtr->items[iItem], &infoPtr->items[iItem + 1],
1090 (infoPtr->uNumItem - iItem) * sizeof(HEADER_ITEM));
1091 memmove(&infoPtr->order[iOrder], &infoPtr->order[iOrder + 1],
1092 (infoPtr->uNumItem - iOrder) * sizeof(INT));
1093 infoPtr->items = ReAlloc(infoPtr->items, sizeof(HEADER_ITEM) * infoPtr->uNumItem);
1094 infoPtr->order = ReAlloc(infoPtr->order, sizeof(INT) * infoPtr->uNumItem);
1095
1096 /* Correct the orders */
1097 for (i = 0; i < infoPtr->uNumItem; i++)
1098 {
1099 if (infoPtr->order[i] > iItem)
1100 infoPtr->order[i]--;
1101 if (i >= iOrder)
1102 infoPtr->items[infoPtr->order[i]].iOrder = i;
1103 }
1104 for (i = 0; i < infoPtr->uNumItem; i++)
1105 TRACE("%d: order=%d, iOrder=%d, ->iOrder=%d\n", i, infoPtr->order[i], infoPtr->items[i].iOrder, infoPtr->items[infoPtr->order[i]].iOrder);
1106
1107 HEADER_SetItemBounds (hwnd);
1108 InvalidateRect(hwnd, NULL, FALSE);
1109
1110 return TRUE;
1111 }
1112
1113
1114 static LRESULT
1115 HEADER_GetImageList (HWND hwnd)
1116 {
1117 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1118
1119 return (LRESULT)infoPtr->himl;
1120 }
1121
1122
1123 static LRESULT
1124 HEADER_GetItemT (HWND hwnd, INT nItem, LPHDITEMW phdi, BOOL bUnicode)
1125 {
1126 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1127 HEADER_ITEM *lpItem;
1128 UINT mask;
1129
1130 if (!phdi)
1131 return FALSE;
1132
1133 TRACE("[nItem=%d]\n", nItem);
1134
1135 mask = phdi->mask;
1136 if (mask == 0)
1137 return TRUE;
1138
1139 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
1140 return FALSE;
1141
1142 if (mask & HDI_UNKNOWN_FIELDS)
1143 {
1144 TRACE("mask %x contains unknown fields. Using only comctl32 4.0 fields\n", mask);
1145 mask &= HDI_COMCTL32_4_0_FIELDS;
1146 }
1147
1148 lpItem = &infoPtr->items[nItem];
1149 HEADER_PrepareCallbackItems(hwnd, nItem, mask);
1150
1151 if (mask & HDI_BITMAP)
1152 phdi->hbm = lpItem->hbm;
1153
1154 if (mask & HDI_FORMAT)
1155 phdi->fmt = lpItem->fmt;
1156
1157 if (mask & HDI_WIDTH)
1158 phdi->cxy = lpItem->cxy;
1159
1160 if (mask & HDI_LPARAM)
1161 phdi->lParam = lpItem->lParam;
1162
1163 if (mask & HDI_IMAGE)
1164 phdi->iImage = lpItem->iImage;
1165
1166 if (mask & HDI_ORDER)
1167 phdi->iOrder = lpItem->iOrder;
1168
1169 if (mask & HDI_TEXT)
1170 {
1171 if (bUnicode)
1172 Str_GetPtrW (lpItem->pszText, phdi->pszText, phdi->cchTextMax);
1173 else
1174 Str_GetPtrWtoA (lpItem->pszText, (LPSTR)phdi->pszText, phdi->cchTextMax);
1175 }
1176
1177 HEADER_FreeCallbackItems(lpItem);
1178 return TRUE;
1179 }
1180
1181
1182 static inline LRESULT
1183 HEADER_GetItemCount (HWND hwnd)
1184 {
1185 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1186 return infoPtr->uNumItem;
1187 }
1188
1189
1190 static LRESULT
1191 HEADER_GetItemRect (HWND hwnd, WPARAM wParam, LPARAM lParam)
1192 {
1193 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1194 INT iItem = (INT)wParam;
1195 LPRECT lpRect = (LPRECT)lParam;
1196
1197 if ((iItem < 0) || (iItem >= (INT)infoPtr->uNumItem))
1198 return FALSE;
1199
1200 lpRect->left = infoPtr->items[iItem].rect.left;
1201 lpRect->right = infoPtr->items[iItem].rect.right;
1202 lpRect->top = infoPtr->items[iItem].rect.top;
1203 lpRect->bottom = infoPtr->items[iItem].rect.bottom;
1204
1205 return TRUE;
1206 }
1207
1208
1209 static LRESULT
1210 HEADER_GetOrderArray(HWND hwnd, WPARAM wParam, LPARAM lParam)
1211 {
1212 LPINT order = (LPINT) lParam;
1213 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1214
1215 if ((unsigned int)wParam <infoPtr->uNumItem)
1216 return FALSE;
1217
1218 memcpy(order, infoPtr->order, infoPtr->uNumItem * sizeof(INT));
1219 return TRUE;
1220 }
1221
1222 static LRESULT
1223 HEADER_SetOrderArray(HWND hwnd, WPARAM wParam, LPARAM lParam)
1224 {
1225 int i;
1226 LPINT order = (LPINT) lParam;
1227 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1228 HEADER_ITEM *lpItem;
1229
1230 if ((unsigned int)wParam <infoPtr->uNumItem)
1231 return FALSE;
1232 memcpy(infoPtr->order, order, infoPtr->uNumItem * sizeof(INT));
1233 for (i=0; i<(int)wParam; i++)
1234 {
1235 lpItem = &infoPtr->items[*order++];
1236 lpItem->iOrder=i;
1237 }
1238 infoPtr->bRectsValid=0;
1239 InvalidateRect(hwnd, NULL, FALSE);
1240 return TRUE;
1241 }
1242
1243 static inline LRESULT
1244 HEADER_GetUnicodeFormat (HWND hwnd)
1245 {
1246 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1247 return (infoPtr->nNotifyFormat == NFR_UNICODE);
1248 }
1249
1250
1251 static LRESULT
1252 HEADER_HitTest (HWND hwnd, WPARAM wParam, LPARAM lParam)
1253 {
1254 LPHDHITTESTINFO phti = (LPHDHITTESTINFO)lParam;
1255
1256 HEADER_InternalHitTest (hwnd, &phti->pt, &phti->flags, &phti->iItem);
1257
1258 if (phti->flags == HHT_NOWHERE)
1259 return -1;
1260 else
1261 return phti->iItem;
1262 }
1263
1264
1265 static LRESULT
1266 HEADER_InsertItemT (HWND hwnd, INT nItem, const HDITEMW *phdi, BOOL bUnicode)
1267 {
1268 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1269 HEADER_ITEM *lpItem;
1270 INT iOrder;
1271 UINT i;
1272 UINT copyMask;
1273
1274 if ((phdi == NULL) || (nItem < 0) || (phdi->mask == 0))
1275 return -1;
1276
1277 if (nItem > infoPtr->uNumItem)
1278 nItem = infoPtr->uNumItem;
1279
1280 iOrder = (phdi->mask & HDI_ORDER) ? phdi->iOrder : nItem;
1281 if (iOrder < 0)
1282 iOrder = 0;
1283 else if (infoPtr->uNumItem < iOrder)
1284 iOrder = infoPtr->uNumItem;
1285
1286 infoPtr->uNumItem++;
1287 infoPtr->items = ReAlloc(infoPtr->items, sizeof(HEADER_ITEM) * infoPtr->uNumItem);
1288 infoPtr->order = ReAlloc(infoPtr->order, sizeof(INT) * infoPtr->uNumItem);
1289
1290 /* make space for the new item */
1291 memmove(&infoPtr->items[nItem + 1], &infoPtr->items[nItem],
1292 (infoPtr->uNumItem - nItem - 1) * sizeof(HEADER_ITEM));
1293 memmove(&infoPtr->order[iOrder + 1], &infoPtr->order[iOrder],
1294 (infoPtr->uNumItem - iOrder - 1) * sizeof(INT));
1295
1296 /* update the order array */
1297 infoPtr->order[iOrder] = nItem;
1298 for (i = 0; i < infoPtr->uNumItem; i++)
1299 {
1300 if (i != iOrder && infoPtr->order[i] >= nItem)
1301 infoPtr->order[i]++;
1302 infoPtr->items[infoPtr->order[i]].iOrder = i;
1303 }
1304
1305 lpItem = &infoPtr->items[nItem];
1306 ZeroMemory(lpItem, sizeof(HEADER_ITEM));
1307 /* cxy, fmt and lParam are copied even if not in the HDITEM mask */
1308 copyMask = phdi->mask | HDI_WIDTH | HDI_FORMAT | HDI_LPARAM;
1309 HEADER_StoreHDItemInHeader(lpItem, copyMask, phdi, bUnicode);
1310 lpItem->iOrder = iOrder;
1311
1312 /* set automatically some format bits */
1313 if (phdi->mask & HDI_TEXT)
1314 lpItem->fmt |= HDF_STRING;
1315 else
1316 lpItem->fmt &= ~HDF_STRING;
1317
1318 if (lpItem->hbm != NULL)
1319 lpItem->fmt |= HDF_BITMAP;
1320 else
1321 lpItem->fmt &= ~HDF_BITMAP;
1322
1323 if (phdi->mask & HDI_IMAGE)
1324 lpItem->fmt |= HDF_IMAGE;
1325
1326 HEADER_SetItemBounds (hwnd);
1327 InvalidateRect(hwnd, NULL, FALSE);
1328
1329 return nItem;
1330 }
1331
1332
1333 static LRESULT
1334 HEADER_Layout (HWND hwnd, WPARAM wParam, LPARAM lParam)
1335 {
1336 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1337 LPHDLAYOUT lpLayout = (LPHDLAYOUT)lParam;
1338
1339 lpLayout->pwpos->hwnd = hwnd;
1340 lpLayout->pwpos->hwndInsertAfter = 0;
1341 lpLayout->pwpos->x = lpLayout->prc->left;
1342 lpLayout->pwpos->y = lpLayout->prc->top;
1343 lpLayout->pwpos->cx = lpLayout->prc->right - lpLayout->prc->left;
1344 if (GetWindowLongW (hwnd, GWL_STYLE) & HDS_HIDDEN)
1345 lpLayout->pwpos->cy = 0;
1346 else {
1347 lpLayout->pwpos->cy = infoPtr->nHeight;
1348 lpLayout->prc->top += infoPtr->nHeight;
1349 }
1350 lpLayout->pwpos->flags = SWP_NOZORDER;
1351
1352 TRACE("Layout x=%d y=%d cx=%d cy=%d\n",
1353 lpLayout->pwpos->x, lpLayout->pwpos->y,
1354 lpLayout->pwpos->cx, lpLayout->pwpos->cy);
1355
1356 infoPtr->bRectsValid = FALSE;
1357
1358 return TRUE;
1359 }
1360
1361
1362 static LRESULT
1363 HEADER_SetImageList (HWND hwnd, HIMAGELIST himl)
1364 {
1365 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1366 HIMAGELIST himlOld;
1367
1368 TRACE("(himl %p)\n", himl);
1369 himlOld = infoPtr->himl;
1370 infoPtr->himl = himl;
1371
1372 /* FIXME: Refresh needed??? */
1373
1374 return (LRESULT)himlOld;
1375 }
1376
1377
1378 static LRESULT
1379 HEADER_GetBitmapMargin(HWND hwnd)
1380 {
1381 HEADER_INFO *infoPtr = HEADER_GetInfoPtr(hwnd);
1382
1383 return infoPtr->iMargin;
1384 }
1385
1386 static LRESULT
1387 HEADER_SetBitmapMargin(HWND hwnd, WPARAM wParam)
1388 {
1389 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1390 INT oldMargin = infoPtr->iMargin;
1391
1392 infoPtr->iMargin = (INT)wParam;
1393
1394 return oldMargin;
1395 }
1396
1397 static LRESULT
1398 HEADER_SetItemT (HWND hwnd, INT nItem, const HDITEMW *phdi, BOOL bUnicode)
1399 {
1400 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1401 HEADER_ITEM *lpItem;
1402 HDITEMW hdNotify;
1403 void *pvScratch;
1404
1405 if (phdi == NULL)
1406 return FALSE;
1407 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
1408 return FALSE;
1409
1410 TRACE("[nItem=%d]\n", nItem);
1411
1412 HEADER_CopyHDItemForNotify(infoPtr, &hdNotify, phdi, bUnicode, &pvScratch);
1413 if (HEADER_SendNotifyWithHDItemT(hwnd, HDN_ITEMCHANGINGW, nItem, &hdNotify))
1414 {
1415 Free(pvScratch);
1416 return FALSE;
1417 }
1418
1419 lpItem = &infoPtr->items[nItem];
1420 HEADER_StoreHDItemInHeader(lpItem, phdi->mask, phdi, bUnicode);
1421
1422 if (phdi->mask & HDI_ORDER)
1423 if (phdi->iOrder >= 0 && phdi->iOrder < infoPtr->uNumItem)
1424 HEADER_ChangeItemOrder(infoPtr, nItem, phdi->iOrder);
1425
1426 HEADER_SendNotifyWithHDItemT(hwnd, HDN_ITEMCHANGEDW, nItem, &hdNotify);
1427
1428 HEADER_SetItemBounds (hwnd);
1429
1430 InvalidateRect(hwnd, NULL, FALSE);
1431
1432 Free(pvScratch);
1433 return TRUE;
1434 }
1435
1436 static inline LRESULT
1437 HEADER_SetUnicodeFormat (HWND hwnd, WPARAM wParam)
1438 {
1439 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1440 BOOL bTemp = (infoPtr->nNotifyFormat == NFR_UNICODE);
1441
1442 infoPtr->nNotifyFormat = ((BOOL)wParam ? NFR_UNICODE : NFR_ANSI);
1443
1444 return bTemp;
1445 }
1446
1447
1448 static LRESULT
1449 HEADER_Create (HWND hwnd, WPARAM wParam, LPARAM lParam)
1450 {
1451 HEADER_INFO *infoPtr;
1452 TEXTMETRICW tm;
1453 HFONT hOldFont;
1454 HDC hdc;
1455
1456 infoPtr = (HEADER_INFO *)Alloc (sizeof(HEADER_INFO));
1457 SetWindowLongPtrW (hwnd, 0, (DWORD_PTR)infoPtr);
1458
1459 infoPtr->hwndNotify = ((LPCREATESTRUCTA)lParam)->hwndParent;
1460 infoPtr->uNumItem = 0;
1461 infoPtr->hFont = 0;
1462 infoPtr->items = 0;
1463 infoPtr->order = 0;
1464 infoPtr->bRectsValid = FALSE;
1465 infoPtr->hcurArrow = LoadCursorW (0, (LPWSTR)IDC_ARROW);
1466 infoPtr->hcurDivider = LoadCursorW (COMCTL32_hModule, MAKEINTRESOURCEW(IDC_DIVIDER));
1467 infoPtr->hcurDivopen = LoadCursorW (COMCTL32_hModule, MAKEINTRESOURCEW(IDC_DIVIDEROPEN));
1468 infoPtr->bPressed = FALSE;
1469 infoPtr->bTracking = FALSE;
1470 infoPtr->iMoveItem = 0;
1471 infoPtr->himl = 0;
1472 infoPtr->iHotItem = -1;
1473 infoPtr->iHotDivider = -1;
1474 infoPtr->iMargin = 3*GetSystemMetrics(SM_CXEDGE);
1475 infoPtr->nNotifyFormat =
1476 SendMessageW (infoPtr->hwndNotify, WM_NOTIFYFORMAT, (WPARAM)hwnd, NF_QUERY);
1477
1478 hdc = GetDC (0);
1479 hOldFont = SelectObject (hdc, GetStockObject (SYSTEM_FONT));
1480 GetTextMetricsW (hdc, &tm);
1481 infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
1482 SelectObject (hdc, hOldFont);
1483 ReleaseDC (0, hdc);
1484
1485 OpenThemeData(hwnd, themeClass);
1486
1487 return 0;
1488 }
1489
1490
1491 static LRESULT
1492 HEADER_Destroy (HWND hwnd, WPARAM wParam, LPARAM lParam)
1493 {
1494 HTHEME theme = GetWindowTheme(hwnd);
1495 CloseThemeData(theme);
1496 return 0;
1497 }
1498
1499 static LRESULT
1500 HEADER_NCDestroy (HWND hwnd, WPARAM wParam, LPARAM lParam)
1501 {
1502 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1503 HEADER_ITEM *lpItem;
1504 INT nItem;
1505
1506 if (infoPtr->items) {
1507 lpItem = infoPtr->items;
1508 for (nItem = 0; nItem < infoPtr->uNumItem; nItem++, lpItem++) {
1509 Free(lpItem->pszText);
1510 }
1511 Free (infoPtr->items);
1512 }
1513
1514 Free(infoPtr->order);
1515
1516 if (infoPtr->himl)
1517 ImageList_Destroy (infoPtr->himl);
1518
1519 SetWindowLongPtrW (hwnd, 0, 0);
1520 Free (infoPtr);
1521
1522 return 0;
1523 }
1524
1525
1526 static inline LRESULT
1527 HEADER_GetFont (HWND hwnd)
1528 {
1529 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1530
1531 return (LRESULT)infoPtr->hFont;
1532 }
1533
1534
1535 static BOOL
1536 HEADER_IsDragDistance(const HEADER_INFO *infoPtr, const POINT *pt)
1537 {
1538 /* Windows allows for a mouse movement before starting the drag. We use the
1539 * SM_CXDOUBLECLICK/SM_CYDOUBLECLICK as that distance.
1540 */
1541 return (abs(infoPtr->ptLButtonDown.x - pt->x)>GetSystemMetrics(SM_CXDOUBLECLK) ||
1542 abs(infoPtr->ptLButtonDown.y - pt->y)>GetSystemMetrics(SM_CYDOUBLECLK));
1543 }
1544
1545 static LRESULT
1546 HEADER_LButtonDblClk (HWND hwnd, WPARAM wParam, LPARAM lParam)
1547 {
1548 POINT pt;
1549 UINT flags;
1550 INT nItem;
1551
1552 pt.x = (short)LOWORD(lParam);
1553 pt.y = (short)HIWORD(lParam);
1554 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1555
1556 if ((GetWindowLongW (hwnd, GWL_STYLE) & HDS_BUTTONS) && (flags == HHT_ONHEADER))
1557 HEADER_SendNotifyWithHDItemT(hwnd, HDN_ITEMDBLCLICKW, nItem, NULL);
1558 else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN))
1559 HEADER_SendNotifyWithHDItemT(hwnd, HDN_DIVIDERDBLCLICKW, nItem, NULL);
1560
1561 return 0;
1562 }
1563
1564
1565 static LRESULT
1566 HEADER_LButtonDown (HWND hwnd, WPARAM wParam, LPARAM lParam)
1567 {
1568 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1569 DWORD dwStyle = GetWindowLongW (hwnd, GWL_STYLE);
1570 POINT pt;
1571 UINT flags;
1572 INT nItem;
1573 HDC hdc;
1574
1575 pt.x = (short)LOWORD(lParam);
1576 pt.y = (short)HIWORD(lParam);
1577 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1578
1579 if ((dwStyle & HDS_BUTTONS) && (flags == HHT_ONHEADER)) {
1580 SetCapture (hwnd);
1581 infoPtr->bCaptured = TRUE;
1582 infoPtr->bPressed = TRUE;
1583 infoPtr->bDragging = FALSE;
1584 infoPtr->iMoveItem = nItem;
1585 infoPtr->ptLButtonDown = pt;
1586
1587 infoPtr->items[nItem].bDown = TRUE;
1588
1589 /* Send WM_CUSTOMDRAW */
1590 hdc = GetDC (hwnd);
1591 HEADER_RefreshItem (hwnd, hdc, nItem);
1592 ReleaseDC (hwnd, hdc);
1593
1594 TRACE("Pressed item %d!\n", nItem);
1595 }
1596 else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN)) {
1597 INT iCurrWidth = infoPtr->items[nItem].cxy;
1598 if (!HEADER_SendNotifyWithIntFieldT(hwnd, HDN_BEGINTRACKW, nItem, HDI_WIDTH, iCurrWidth))
1599 {
1600 SetCapture (hwnd);
1601 infoPtr->bCaptured = TRUE;
1602 infoPtr->bTracking = TRUE;
1603 infoPtr->iMoveItem = nItem;
1604 infoPtr->xTrackOffset = infoPtr->items[nItem].rect.right - pt.x;
1605
1606 if (!(dwStyle & HDS_FULLDRAG)) {
1607 infoPtr->xOldTrack = infoPtr->items[nItem].rect.right;
1608 hdc = GetDC (hwnd);
1609 HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
1610 ReleaseDC (hwnd, hdc);
1611 }
1612
1613 TRACE("Begin tracking item %d!\n", nItem);
1614 }
1615 }
1616
1617 return 0;
1618 }
1619
1620
1621 static LRESULT
1622 HEADER_LButtonUp (HWND hwnd, WPARAM wParam, LPARAM lParam)
1623 {
1624 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1625 DWORD dwStyle = GetWindowLongW (hwnd, GWL_STYLE);
1626 POINT pt;
1627 UINT flags;
1628 INT nItem;
1629 HDC hdc;
1630
1631 pt.x = (INT)(SHORT)LOWORD(lParam);
1632 pt.y = (INT)(SHORT)HIWORD(lParam);
1633 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1634
1635 if (infoPtr->bPressed) {
1636 if (infoPtr->bDragging)
1637 {
1638 HEADER_ITEM *lpItem = &infoPtr->items[infoPtr->iMoveItem];
1639 INT iNewOrder;
1640
1641 ImageList_DragShowNolock(FALSE);
1642 ImageList_EndDrag();
1643 lpItem->bDown=FALSE;
1644
1645 if (infoPtr->iHotDivider == -1)
1646 iNewOrder = -1;
1647 else if (infoPtr->iHotDivider == infoPtr->uNumItem)
1648 iNewOrder = infoPtr->uNumItem-1;
1649 else
1650 {
1651 iNewOrder = HEADER_IndexToOrder(hwnd, infoPtr->iHotDivider);
1652 if (iNewOrder > lpItem->iOrder)
1653 iNewOrder--;
1654 }
1655
1656 if (iNewOrder != -1 &&
1657 !HEADER_SendNotifyWithIntFieldT(hwnd, HDN_ENDDRAG, infoPtr->iMoveItem, HDI_ORDER, iNewOrder))
1658 {
1659 HEADER_ChangeItemOrder(infoPtr, infoPtr->iMoveItem, iNewOrder);
1660 infoPtr->bRectsValid = FALSE;
1661 InvalidateRect(hwnd, NULL, FALSE);
1662 }
1663 else
1664 InvalidateRect(hwnd, &infoPtr->items[infoPtr->iMoveItem].rect, FALSE);
1665
1666 HEADER_SetHotDivider(hwnd, FALSE, -1);
1667 }
1668 else if (!(dwStyle&HDS_DRAGDROP) || !HEADER_IsDragDistance(infoPtr, &pt))
1669 {
1670 infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
1671 hdc = GetDC (hwnd);
1672 HEADER_RefreshItem (hwnd, hdc, infoPtr->iMoveItem);
1673 ReleaseDC (hwnd, hdc);
1674
1675 HEADER_SendNotifyWithHDItemT(hwnd, HDN_ITEMCLICKW, infoPtr->iMoveItem, NULL);
1676 }
1677
1678 TRACE("Released item %d!\n", infoPtr->iMoveItem);
1679 infoPtr->bPressed = FALSE;
1680 }
1681 else if (infoPtr->bTracking) {
1682 INT iNewWidth = pt.x - infoPtr->items[infoPtr->iMoveItem].rect.left + infoPtr->xTrackOffset;
1683 if (iNewWidth < 0)
1684 iNewWidth = 0;
1685 TRACE("End tracking item %d!\n", infoPtr->iMoveItem);
1686 infoPtr->bTracking = FALSE;
1687
1688 HEADER_SendNotifyWithIntFieldT(hwnd, HDN_ENDTRACKW, infoPtr->iMoveItem, HDI_WIDTH, iNewWidth);
1689
1690 if (!(dwStyle & HDS_FULLDRAG)) {
1691 hdc = GetDC (hwnd);
1692 HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
1693 ReleaseDC (hwnd, hdc);
1694 }
1695
1696 if (!HEADER_SendNotifyWithIntFieldT(hwnd, HDN_ITEMCHANGINGW, infoPtr->iMoveItem, HDI_WIDTH, iNewWidth))
1697 {
1698 infoPtr->items[infoPtr->iMoveItem].cxy = iNewWidth;
1699 HEADER_SendNotifyWithIntFieldT(hwnd, HDN_ITEMCHANGEDW, infoPtr->iMoveItem, HDI_WIDTH, iNewWidth);
1700 }
1701
1702 HEADER_SetItemBounds (hwnd);
1703 InvalidateRect(hwnd, NULL, TRUE);
1704 }
1705
1706 if (infoPtr->bCaptured) {
1707 infoPtr->bCaptured = FALSE;
1708 ReleaseCapture ();
1709 HEADER_SendSimpleNotify (hwnd, NM_RELEASEDCAPTURE);
1710 }
1711
1712 return 0;
1713 }
1714
1715
1716 static LRESULT
1717 HEADER_NotifyFormat (HWND hwnd, WPARAM wParam, LPARAM lParam)
1718 {
1719 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1720
1721 switch (lParam)
1722 {
1723 case NF_QUERY:
1724 return infoPtr->nNotifyFormat;
1725
1726 case NF_REQUERY:
1727 infoPtr->nNotifyFormat =
1728 SendMessageW ((HWND)wParam, WM_NOTIFYFORMAT,
1729 (WPARAM)hwnd, (LPARAM)NF_QUERY);
1730 return infoPtr->nNotifyFormat;
1731 }
1732
1733 return 0;
1734 }
1735
1736 static LRESULT
1737 HEADER_MouseLeave (HWND hwnd, WPARAM wParam, LPARAM lParam)
1738 {
1739 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1740 /* Reset hot-tracked item when mouse leaves control. */
1741 INT oldHotItem = infoPtr->iHotItem;
1742 HDC hdc = GetDC (hwnd);
1743
1744 infoPtr->iHotItem = -1;
1745 if (oldHotItem != -1) HEADER_RefreshItem (hwnd, hdc, oldHotItem);
1746 ReleaseDC (hwnd, hdc);
1747
1748 return 0;
1749 }
1750
1751
1752 static LRESULT
1753 HEADER_MouseMove (HWND hwnd, WPARAM wParam, LPARAM lParam)
1754 {
1755 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1756 DWORD dwStyle = GetWindowLongW (hwnd, GWL_STYLE);
1757 POINT pt;
1758 UINT flags;
1759 INT nItem, nWidth;
1760 HDC hdc;
1761 /* With theming, hottracking is always enabled */
1762 BOOL hotTrackEnabled =
1763 ((dwStyle & HDS_BUTTONS) && (dwStyle & HDS_HOTTRACK))
1764 || (GetWindowTheme (hwnd) != NULL);
1765 INT oldHotItem = infoPtr->iHotItem;
1766
1767 pt.x = (INT)(SHORT)LOWORD(lParam);
1768 pt.y = (INT)(SHORT)HIWORD(lParam);
1769 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1770
1771 if (hotTrackEnabled) {
1772 if (flags & (HHT_ONHEADER | HHT_ONDIVIDER | HHT_ONDIVOPEN))
1773 infoPtr->iHotItem = nItem;
1774 else
1775 infoPtr->iHotItem = -1;
1776 }
1777
1778 if (infoPtr->bCaptured) {
1779 /* check if we should drag the header */
1780 if (infoPtr->bPressed && !infoPtr->bDragging && dwStyle&HDS_DRAGDROP
1781 && HEADER_IsDragDistance(infoPtr, &pt))
1782 {
1783 if (!HEADER_SendNotifyWithHDItemT(hwnd, HDN_BEGINDRAG, infoPtr->iMoveItem, NULL))
1784 {
1785 HIMAGELIST hDragItem = (HIMAGELIST)HEADER_CreateDragImage(hwnd, infoPtr->iMoveItem);
1786 if (hDragItem != NULL)
1787 {
1788 HEADER_ITEM *lpItem = &infoPtr->items[infoPtr->iMoveItem];
1789 TRACE("Starting item drag\n");
1790 ImageList_BeginDrag(hDragItem, 0, pt.x - lpItem->rect.left, 0);
1791 ImageList_DragShowNolock(TRUE);
1792 ImageList_Destroy(hDragItem);
1793 infoPtr->bDragging = TRUE;
1794 }
1795 }
1796 }
1797
1798 if (infoPtr->bDragging)
1799 {
1800 POINT drag;
1801 drag.x = pt.x;
1802 drag.y = 0;
1803 ClientToScreen(hwnd, &drag);
1804 ImageList_DragMove(drag.x, drag.y);
1805 HEADER_SetHotDivider(hwnd, TRUE, lParam);
1806 }
1807
1808 if (infoPtr->bPressed && !infoPtr->bDragging) {
1809 BOOL oldState = infoPtr->items[infoPtr->iMoveItem].bDown;
1810 if ((nItem == infoPtr->iMoveItem) && (flags == HHT_ONHEADER))
1811 infoPtr->items[infoPtr->iMoveItem].bDown = TRUE;
1812 else
1813 infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
1814 if (oldState != infoPtr->items[infoPtr->iMoveItem].bDown) {
1815 hdc = GetDC (hwnd);
1816 HEADER_RefreshItem (hwnd, hdc, infoPtr->iMoveItem);
1817 ReleaseDC (hwnd, hdc);
1818 }
1819
1820 TRACE("Moving pressed item %d!\n", infoPtr->iMoveItem);
1821 }
1822 else if (infoPtr->bTracking) {
1823 if (dwStyle & HDS_FULLDRAG) {
1824 HEADER_ITEM *lpItem = &infoPtr->items[infoPtr->iMoveItem];
1825 nWidth = pt.x - lpItem->rect.left + infoPtr->xTrackOffset;
1826 if (!HEADER_SendNotifyWithIntFieldT(hwnd, HDN_ITEMCHANGINGW, infoPtr->iMoveItem, HDI_WIDTH, nWidth))
1827 {
1828 INT nOldWidth = lpItem->rect.right - lpItem->rect.left;
1829 RECT rcClient;
1830 RECT rcScroll;
1831
1832 if (nWidth < 0) nWidth = 0;
1833 infoPtr->items[infoPtr->iMoveItem].cxy = nWidth;
1834 HEADER_SetItemBounds(hwnd);
1835
1836 GetClientRect(hwnd, &rcClient);
1837 rcScroll = rcClient;
1838 rcScroll.left = lpItem->rect.left + nOldWidth;
1839 ScrollWindowEx(hwnd, nWidth - nOldWidth, 0, &rcScroll, &rcClient, NULL, NULL, 0);
1840 InvalidateRect(hwnd, &lpItem->rect, FALSE);
1841 UpdateWindow(hwnd);
1842
1843 HEADER_SendNotifyWithIntFieldT(hwnd, HDN_ITEMCHANGEDW, infoPtr->iMoveItem, HDI_WIDTH, nWidth);
1844 }
1845 }
1846 else {
1847 INT iTrackWidth;
1848 hdc = GetDC (hwnd);
1849 HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
1850 infoPtr->xOldTrack = pt.x + infoPtr->xTrackOffset;
1851 if (infoPtr->xOldTrack < infoPtr->items[infoPtr->iMoveItem].rect.left)
1852 infoPtr->xOldTrack = infoPtr->items[infoPtr->iMoveItem].rect.left;
1853 HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
1854 ReleaseDC (hwnd, hdc);
1855 iTrackWidth = infoPtr->xOldTrack - infoPtr->items[infoPtr->iMoveItem].rect.left;
1856 /* FIXME: should stop tracking if HDN_TRACK returns TRUE */
1857 HEADER_SendNotifyWithIntFieldT(hwnd, HDN_TRACKW, infoPtr->iMoveItem, HDI_WIDTH, iTrackWidth);
1858 }
1859
1860 TRACE("Tracking item %d!\n", infoPtr->iMoveItem);
1861 }
1862 }
1863
1864 if (hotTrackEnabled) {
1865 TRACKMOUSEEVENT tme;
1866 if (oldHotItem != infoPtr->iHotItem && !infoPtr->bDragging) {
1867 hdc = GetDC (hwnd);
1868 if (oldHotItem != -1) HEADER_RefreshItem (hwnd, hdc, oldHotItem);
1869 if (infoPtr->iHotItem != -1) HEADER_RefreshItem (hwnd, hdc, infoPtr->iHotItem);
1870 ReleaseDC (hwnd, hdc);
1871 }
1872 tme.cbSize = sizeof( tme );
1873 tme.dwFlags = TME_LEAVE;
1874 tme.hwndTrack = hwnd;
1875 TrackMouseEvent( &tme );
1876 }
1877
1878 return 0;
1879 }
1880
1881
1882 static LRESULT
1883 HEADER_Paint (HWND hwnd, WPARAM wParam)
1884 {
1885 HDC hdc;
1886 PAINTSTRUCT ps;
1887
1888 hdc = wParam==0 ? BeginPaint (hwnd, &ps) : (HDC)wParam;
1889 HEADER_Refresh (hwnd, hdc);
1890 if(!wParam)
1891 EndPaint (hwnd, &ps);
1892 return 0;
1893 }
1894
1895
1896 static LRESULT
1897 HEADER_RButtonUp (HWND hwnd, WPARAM wParam, LPARAM lParam)
1898 {
1899 BOOL bRet;
1900 POINT pt;
1901
1902 pt.x = (short)LOWORD(lParam);
1903 pt.y = (short)HIWORD(lParam);
1904
1905 /* Send a Notify message */
1906 bRet = HEADER_SendSimpleNotify (hwnd, NM_RCLICK);
1907
1908 /* Change to screen coordinate for WM_CONTEXTMENU */
1909 ClientToScreen(hwnd, &pt);
1910
1911 /* Send a WM_CONTEXTMENU message in response to the RBUTTONUP */
1912 SendMessageW( hwnd, WM_CONTEXTMENU, (WPARAM) hwnd, MAKELPARAM(pt.x, pt.y));
1913
1914 return bRet;
1915 }
1916
1917
1918 static LRESULT
1919 HEADER_SetCursor (HWND hwnd, WPARAM wParam, LPARAM lParam)
1920 {
1921 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1922 POINT pt;
1923 UINT flags;
1924 INT nItem;
1925
1926 TRACE("code=0x%X id=0x%X\n", LOWORD(lParam), HIWORD(lParam));
1927
1928 GetCursorPos (&pt);
1929 ScreenToClient (hwnd, &pt);
1930
1931 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1932
1933 if (flags == HHT_ONDIVIDER)
1934 SetCursor (infoPtr->hcurDivider);
1935 else if (flags == HHT_ONDIVOPEN)
1936 SetCursor (infoPtr->hcurDivopen);
1937 else
1938 SetCursor (infoPtr->hcurArrow);
1939
1940 return 0;
1941 }
1942
1943
1944 static LRESULT
1945 HEADER_SetFont (HWND hwnd, WPARAM wParam, LPARAM lParam)
1946 {
1947 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1948 TEXTMETRICW tm;
1949 HFONT hFont, hOldFont;
1950 HDC hdc;
1951
1952 infoPtr->hFont = (HFONT)wParam;
1953
1954 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT);
1955
1956 hdc = GetDC (0);
1957 hOldFont = SelectObject (hdc, hFont);
1958 GetTextMetricsW (hdc, &tm);
1959 infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
1960 SelectObject (hdc, hOldFont);
1961 ReleaseDC (0, hdc);
1962
1963 infoPtr->bRectsValid = FALSE;
1964
1965 if (lParam) {
1966 InvalidateRect(hwnd, NULL, FALSE);
1967 }
1968
1969 return 0;
1970 }
1971
1972 static LRESULT HEADER_SetRedraw(HWND hwnd, WPARAM wParam, LPARAM lParam)
1973 {
1974 /* ignoring the InvalidateRect calls is handled by user32. But some apps expect
1975 * that we invalidate the header and this has to be done manually */
1976 LRESULT ret;
1977
1978 ret = DefWindowProcW(hwnd, WM_SETREDRAW, wParam, lParam);
1979 if (wParam)
1980 InvalidateRect(hwnd, NULL, TRUE);
1981 return ret;
1982 }
1983
1984 /* Update the theme handle after a theme change */
1985 static LRESULT HEADER_ThemeChanged(HWND hwnd)
1986 {
1987 HTHEME theme = GetWindowTheme(hwnd);
1988 CloseThemeData(theme);
1989 OpenThemeData(hwnd, themeClass);
1990 InvalidateRect(hwnd, NULL, FALSE);
1991 return 0;
1992 }
1993
1994
1995 static LRESULT WINAPI
1996 HEADER_WindowProc (HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
1997 {
1998 TRACE("hwnd=%p msg=%x wparam=%lx lParam=%lx\n", hwnd, msg, wParam, lParam);
1999 if (!HEADER_GetInfoPtr (hwnd) && (msg != WM_CREATE))
2000 return DefWindowProcW (hwnd, msg, wParam, lParam);
2001 switch (msg) {
2002 /* case HDM_CLEARFILTER: */
2003
2004 case HDM_CREATEDRAGIMAGE:
2005 return HEADER_CreateDragImage (hwnd, wParam);
2006
2007 case HDM_DELETEITEM:
2008 return HEADER_DeleteItem (hwnd, wParam);
2009
2010 /* case HDM_EDITFILTER: */
2011
2012 case HDM_GETBITMAPMARGIN:
2013 return HEADER_GetBitmapMargin(hwnd);
2014
2015 case HDM_GETIMAGELIST:
2016 return HEADER_GetImageList (hwnd);
2017
2018 case HDM_GETITEMA:
2019 case HDM_GETITEMW:
2020 return HEADER_GetItemT (hwnd, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_GETITEMW);
2021
2022 case HDM_GETITEMCOUNT:
2023 return HEADER_GetItemCount (hwnd);
2024
2025 case HDM_GETITEMRECT:
2026 return HEADER_GetItemRect (hwnd, wParam, lParam);
2027
2028 case HDM_GETORDERARRAY:
2029 return HEADER_GetOrderArray(hwnd, wParam, lParam);
2030
2031 case HDM_GETUNICODEFORMAT:
2032 return HEADER_GetUnicodeFormat (hwnd);
2033
2034 case HDM_HITTEST:
2035 return HEADER_HitTest (hwnd, wParam, lParam);
2036
2037 case HDM_INSERTITEMA:
2038 case HDM_INSERTITEMW:
2039 return HEADER_InsertItemT (hwnd, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_INSERTITEMW);
2040
2041 case HDM_LAYOUT:
2042 return HEADER_Layout (hwnd, wParam, lParam);
2043
2044 case HDM_ORDERTOINDEX:
2045 return HEADER_OrderToIndex(hwnd, wParam);
2046
2047 case HDM_SETBITMAPMARGIN:
2048 return HEADER_SetBitmapMargin(hwnd, wParam);
2049
2050 /* case HDM_SETFILTERCHANGETIMEOUT: */
2051
2052 case HDM_SETHOTDIVIDER:
2053 return HEADER_SetHotDivider(hwnd, wParam, lParam);
2054
2055 case HDM_SETIMAGELIST:
2056 return HEADER_SetImageList (hwnd, (HIMAGELIST)lParam);
2057
2058 case HDM_SETITEMA:
2059 case HDM_SETITEMW:
2060 return HEADER_SetItemT (hwnd, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_SETITEMW);
2061
2062 case HDM_SETORDERARRAY:
2063 return HEADER_SetOrderArray(hwnd, wParam, lParam);
2064
2065 case HDM_SETUNICODEFORMAT:
2066 return HEADER_SetUnicodeFormat (hwnd, wParam);
2067
2068 case WM_CREATE:
2069 return HEADER_Create (hwnd, wParam, lParam);
2070
2071 case WM_DESTROY:
2072 return HEADER_Destroy (hwnd, wParam, lParam);
2073
2074 case WM_NCDESTROY:
2075 return HEADER_NCDestroy (hwnd, wParam, lParam);
2076
2077 case WM_ERASEBKGND:
2078 return 1;
2079
2080 case WM_GETDLGCODE:
2081 return DLGC_WANTTAB | DLGC_WANTARROWS;
2082
2083 case WM_GETFONT:
2084 return HEADER_GetFont (hwnd);
2085
2086 case WM_LBUTTONDBLCLK:
2087 return HEADER_LButtonDblClk (hwnd, wParam, lParam);
2088
2089 case WM_LBUTTONDOWN:
2090 return HEADER_LButtonDown (hwnd, wParam, lParam);
2091
2092 case WM_LBUTTONUP:
2093 return HEADER_LButtonUp (hwnd, wParam, lParam);
2094
2095 case WM_MOUSELEAVE:
2096 return HEADER_MouseLeave (hwnd, wParam, lParam);
2097
2098 case WM_MOUSEMOVE:
2099 return HEADER_MouseMove (hwnd, wParam, lParam);
2100
2101 case WM_NOTIFYFORMAT:
2102 return HEADER_NotifyFormat (hwnd, wParam, lParam);
2103
2104 case WM_SIZE:
2105 return HEADER_Size (hwnd, wParam);
2106
2107 case WM_THEMECHANGED:
2108 return HEADER_ThemeChanged (hwnd);
2109
2110 case WM_PRINTCLIENT:
2111 case WM_PAINT:
2112 return HEADER_Paint (hwnd, wParam);
2113
2114 case WM_RBUTTONUP:
2115 return HEADER_RButtonUp (hwnd, wParam, lParam);
2116
2117 case WM_SETCURSOR:
2118 return HEADER_SetCursor (hwnd, wParam, lParam);
2119
2120 case WM_SETFONT:
2121 return HEADER_SetFont (hwnd, wParam, lParam);
2122
2123 case WM_SETREDRAW:
2124 return HEADER_SetRedraw(hwnd, wParam, lParam);
2125
2126 default:
2127 if ((msg >= WM_USER) && (msg < WM_APP))
2128 ERR("unknown msg %04x wp=%04lx lp=%08lx\n",
2129 msg, wParam, lParam );
2130 return DefWindowProcW(hwnd, msg, wParam, lParam);
2131 }
2132 }
2133
2134
2135 VOID
2136 HEADER_Register (void)
2137 {
2138 WNDCLASSW wndClass;
2139
2140 ZeroMemory (&wndClass, sizeof(WNDCLASSW));
2141 wndClass.style = CS_GLOBALCLASS | CS_DBLCLKS;
2142 wndClass.lpfnWndProc = HEADER_WindowProc;
2143 wndClass.cbClsExtra = 0;
2144 wndClass.cbWndExtra = sizeof(HEADER_INFO *);
2145 wndClass.hCursor = LoadCursorW (0, (LPWSTR)IDC_ARROW);
2146 wndClass.lpszClassName = WC_HEADERW;
2147
2148 RegisterClassW (&wndClass);
2149 }
2150
2151
2152 VOID
2153 HEADER_Unregister (void)
2154 {
2155 UnregisterClassW (WC_HEADERW, NULL);
2156 }
Windows API implementation