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msvcirt: Add implementation of streambuf::sputbackc.
[wine.git] / dlls / comctl32 / header.c
blob7c632f3cc5960c067c143a29e9acd75e190bb5f0
1 /*
2 * Header control
3 *
4 * Copyright 1998 Eric Kohl
5 * Copyright 2000 Eric Kohl for CodeWeavers
6 * Copyright 2003 Maxime Bellenge
7 * Copyright 2006 Mikolaj Zalewski
8 *
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
13 *
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
18 *
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22 *
23 * TODO:
24 * - Imagelist support (completed?)
25 * - Hottrack support (completed?)
26 * - Filters support (HDS_FILTER, HDI_FILTER, HDM_*FILTER*, HDN_*FILTER*)
27 * - New Windows Vista features
28 */
29
30 #include <stdarg.h>
31 #include <stdlib.h>
32 #include <string.h>
33
34 #include "windef.h"
35 #include "winbase.h"
36 #include "wine/unicode.h"
37 #include "wingdi.h"
38 #include "winuser.h"
39 #include "winnls.h"
40 #include "commctrl.h"
41 #include "comctl32.h"
42 #include "vssym32.h"
43 #include "uxtheme.h"
44 #include "wine/debug.h"
45
46 WINE_DEFAULT_DEBUG_CHANNEL(header);
47
48 typedef struct
49 {
50 INT cxy;
51 HBITMAP hbm;
52 LPWSTR pszText;
53 INT fmt;
54 LPARAM lParam;
55 INT iImage;
56 INT iOrder; /* see documentation of HD_ITEM */
57
58 BOOL bDown; /* is item pressed? (used for drawing) */
59 RECT rect; /* bounding rectangle of the item */
60 DWORD callbackMask; /* HDI_* flags for items that are callback */
61 } HEADER_ITEM;
62
63
64 typedef struct
65 {
66 HWND hwndSelf; /* Control window */
67 HWND hwndNotify; /* Owner window to send notifications to */
68 INT nNotifyFormat; /* format used for WM_NOTIFY messages */
69 UINT uNumItem; /* number of items (columns) */
70 INT nHeight; /* height of the header (pixels) */
71 HFONT hFont; /* handle to the current font */
72 HCURSOR hcurArrow; /* handle to the arrow cursor */
73 HCURSOR hcurDivider; /* handle to a cursor (used over dividers) <-|-> */
74 HCURSOR hcurDivopen; /* handle to a cursor (used over dividers) <-||-> */
75 BOOL bCaptured; /* Is the mouse captured? */
76 BOOL bPressed; /* Is a header item pressed (down)? */
77 BOOL bDragging; /* Are we dragging an item? */
78 BOOL bTracking; /* Is in tracking mode? */
79 POINT ptLButtonDown; /* The point where the left button was pressed */
80 DWORD dwStyle; /* the cached window GWL_STYLE */
81 INT iMoveItem; /* index of tracked item. (Tracking mode) */
82 INT xTrackOffset; /* distance between the right side of the tracked item and the cursor */
83 INT xOldTrack; /* track offset (see above) after the last WM_MOUSEMOVE */
84 INT iHotItem; /* index of hot item (cursor is over this item) */
85 INT iHotDivider; /* index of the hot divider (used while dragging an item or by HDM_SETHOTDIVIDER) */
86 INT iMargin; /* width of the margin that surrounds a bitmap */
87
88 HIMAGELIST himl; /* handle to an image list (may be 0) */
89 HEADER_ITEM *items; /* pointer to array of HEADER_ITEM's */
90 INT *order; /* array of item IDs indexed by order */
91 BOOL bRectsValid; /* validity flag for bounding rectangles */
92 } HEADER_INFO;
93
94
95 #define VERT_BORDER 4
96 #define DIVIDER_WIDTH 10
97 #define HOT_DIVIDER_WIDTH 2
98 #define MAX_HEADER_TEXT_LEN 260
99 #define HDN_UNICODE_OFFSET 20
100 #define HDN_FIRST_UNICODE (HDN_FIRST-HDN_UNICODE_OFFSET)
101
102 #define HDI_SUPPORTED_FIELDS (HDI_WIDTH|HDI_TEXT|HDI_FORMAT|HDI_LPARAM|HDI_BITMAP|HDI_IMAGE|HDI_ORDER)
103 #define HDI_UNSUPPORTED_FIELDS (HDI_FILTER)
104 #define HDI_UNKNOWN_FIELDS (~(HDI_SUPPORTED_FIELDS|HDI_UNSUPPORTED_FIELDS|HDI_DI_SETITEM))
105 #define HDI_COMCTL32_4_0_FIELDS (HDI_WIDTH|HDI_TEXT|HDI_FORMAT|HDI_LPARAM|HDI_BITMAP)
106
107
108 static BOOL HEADER_PrepareCallbackItems(const HEADER_INFO *infoPtr, INT iItem, INT reqMask);
109 static void HEADER_FreeCallbackItems(HEADER_ITEM *lpItem);
110 static LRESULT HEADER_SendNotify(const HEADER_INFO *infoPtr, UINT code, NMHDR *hdr);
111 static LRESULT HEADER_SendCtrlCustomDraw(const HEADER_INFO *infoPtr, DWORD dwDrawStage, HDC hdc, const RECT *rect);
112
113 static const WCHAR themeClass[] = {'H','e','a','d','e','r',0};
114
115 static void HEADER_StoreHDItemInHeader(HEADER_ITEM *lpItem, UINT mask, const HDITEMW *phdi, BOOL fUnicode)
116 {
117 if (mask & HDI_UNSUPPORTED_FIELDS)
118 FIXME("unsupported header fields %x\n", (mask & HDI_UNSUPPORTED_FIELDS));
119
120 if (mask & HDI_BITMAP)
121 lpItem->hbm = phdi->hbm;
122
123 if (mask & HDI_FORMAT)
124 lpItem->fmt = phdi->fmt;
125
126 if (mask & HDI_LPARAM)
127 lpItem->lParam = phdi->lParam;
128
129 if (mask & HDI_WIDTH)
130 lpItem->cxy = phdi->cxy;
131
132 if (mask & HDI_IMAGE)
133 {
134 lpItem->iImage = phdi->iImage;
135 if (phdi->iImage == I_IMAGECALLBACK)
136 lpItem->callbackMask |= HDI_IMAGE;
137 else
138 lpItem->callbackMask &= ~HDI_IMAGE;
139 }
140
141 if (mask & HDI_TEXT)
142 {
143 Free(lpItem->pszText);
144 lpItem->pszText = NULL;
145
146 if (phdi->pszText != LPSTR_TEXTCALLBACKW) /* covers != TEXTCALLBACKA too */
147 {
148 static const WCHAR emptyString[] = {0};
149
150 LPCWSTR pszText = (phdi->pszText != NULL ? phdi->pszText : emptyString);
151 if (fUnicode)
152 Str_SetPtrW(&lpItem->pszText, pszText);
153 else
154 Str_SetPtrAtoW(&lpItem->pszText, (LPCSTR)pszText);
155 lpItem->callbackMask &= ~HDI_TEXT;
156 }
157 else
158 {
159 lpItem->pszText = NULL;
160 lpItem->callbackMask |= HDI_TEXT;
161 }
162 }
163 }
164
165 static inline LRESULT
166 HEADER_IndexToOrder (const HEADER_INFO *infoPtr, INT iItem)
167 {
168 HEADER_ITEM *lpItem = &infoPtr->items[iItem];
169 return lpItem->iOrder;
170 }
171
172
173 static INT
174 HEADER_OrderToIndex(const HEADER_INFO *infoPtr, INT iorder)
175 {
176 if ((iorder <0) || iorder >= infoPtr->uNumItem)
177 return iorder;
178 return infoPtr->order[iorder];
179 }
180
181 static void
182 HEADER_ChangeItemOrder(const HEADER_INFO *infoPtr, INT iItem, INT iNewOrder)
183 {
184 HEADER_ITEM *lpItem = &infoPtr->items[iItem];
185 INT i, nMin, nMax;
186
187 TRACE("%d: %d->%d\n", iItem, lpItem->iOrder, iNewOrder);
188 if (lpItem->iOrder < iNewOrder)
189 {
190 memmove(&infoPtr->order[lpItem->iOrder],
191 &infoPtr->order[lpItem->iOrder + 1],
192 (iNewOrder - lpItem->iOrder) * sizeof(INT));
193 }
194 if (iNewOrder < lpItem->iOrder)
195 {
196 memmove(&infoPtr->order[iNewOrder + 1],
197 &infoPtr->order[iNewOrder],
198 (lpItem->iOrder - iNewOrder) * sizeof(INT));
199 }
200 infoPtr->order[iNewOrder] = iItem;
201 nMin = min(lpItem->iOrder, iNewOrder);
202 nMax = max(lpItem->iOrder, iNewOrder);
203 for (i = nMin; i <= nMax; i++)
204 infoPtr->items[infoPtr->order[i]].iOrder = i;
205 }
206
207 /* Note: if iItem is the last item then this function returns infoPtr->uNumItem */
208 static INT
209 HEADER_NextItem(const HEADER_INFO *infoPtr, INT iItem)
210 {
211 return HEADER_OrderToIndex(infoPtr, HEADER_IndexToOrder(infoPtr, iItem)+1);
212 }
213
214 static INT
215 HEADER_PrevItem(const HEADER_INFO *infoPtr, INT iItem)
216 {
217 return HEADER_OrderToIndex(infoPtr, HEADER_IndexToOrder(infoPtr, iItem)-1);
218 }
219
220 /* TRUE when item is not resizable with dividers,
221 note that valid index should be supplied */
222 static inline BOOL
223 HEADER_IsItemFixed(const HEADER_INFO *infoPtr, INT iItem)
224 {
225 return (infoPtr->dwStyle & HDS_NOSIZING) || (infoPtr->items[iItem].fmt & HDF_FIXEDWIDTH);
226 }
227
228 static void
229 HEADER_SetItemBounds (HEADER_INFO *infoPtr)
230 {
231 HEADER_ITEM *phdi;
232 RECT rect;
233 unsigned int i;
234 int x;
235
236 infoPtr->bRectsValid = TRUE;
237
238 if (infoPtr->uNumItem == 0)
239 return;
240
241 GetClientRect (infoPtr->hwndSelf, &rect);
242
243 x = rect.left;
244 for (i = 0; i < infoPtr->uNumItem; i++) {
245 phdi = &infoPtr->items[HEADER_OrderToIndex(infoPtr,i)];
246 phdi->rect.top = rect.top;
247 phdi->rect.bottom = rect.bottom;
248 phdi->rect.left = x;
249 phdi->rect.right = phdi->rect.left + ((phdi->cxy>0)?phdi->cxy:0);
250 x = phdi->rect.right;
251 }
252 }
253
254 static LRESULT
255 HEADER_Size (HEADER_INFO *infoPtr)
256 {
257 HEADER_SetItemBounds(infoPtr);
258 return 0;
259 }
260
261 static void HEADER_GetHotDividerRect(const HEADER_INFO *infoPtr, RECT *r)
262 {
263 INT iDivider = infoPtr->iHotDivider;
264 if (infoPtr->uNumItem > 0)
265 {
266 HEADER_ITEM *lpItem;
267
268 if (iDivider < infoPtr->uNumItem)
269 {
270 lpItem = &infoPtr->items[iDivider];
271 r->left = lpItem->rect.left - HOT_DIVIDER_WIDTH/2;
272 r->right = lpItem->rect.left + HOT_DIVIDER_WIDTH/2;
273 }
274 else
275 {
276 lpItem = &infoPtr->items[HEADER_OrderToIndex(infoPtr, infoPtr->uNumItem-1)];
277 r->left = lpItem->rect.right - HOT_DIVIDER_WIDTH/2;
278 r->right = lpItem->rect.right + HOT_DIVIDER_WIDTH/2;
279 }
280 r->top = lpItem->rect.top;
281 r->bottom = lpItem->rect.bottom;
282 }
283 else
284 {
285 RECT clientRect;
286 GetClientRect(infoPtr->hwndSelf, &clientRect);
287 *r = clientRect;
288 r->right = r->left + HOT_DIVIDER_WIDTH/2;
289 }
290 }
291
292 static void
293 HEADER_FillItemFrame(HEADER_INFO *infoPtr, HDC hdc, RECT *r, const HEADER_ITEM *item, BOOL hottrack)
294 {
295 HTHEME theme = GetWindowTheme (infoPtr->hwndSelf);
296
297 if (theme) {
298 int state = (item->bDown) ? HIS_PRESSED : (hottrack ? HIS_HOT : HIS_NORMAL);
299 DrawThemeBackground (theme, hdc, HP_HEADERITEM, state, r, NULL);
300 GetThemeBackgroundContentRect (theme, hdc, HP_HEADERITEM, state, r, r);
301 }
302 else
303 {
304 HBRUSH hbr = CreateSolidBrush(GetBkColor(hdc));
305 FillRect(hdc, r, hbr);
306 DeleteObject(hbr);
307 }
308 }
309
310 static void
311 HEADER_DrawItemFrame(HEADER_INFO *infoPtr, HDC hdc, RECT *r, const HEADER_ITEM *item)
312 {
313 if (GetWindowTheme(infoPtr->hwndSelf)) return;
314
315 if (!(infoPtr->dwStyle & HDS_FLAT))
316 {
317 if (infoPtr->dwStyle & HDS_BUTTONS) {
318 if (item->bDown)
319 DrawEdge (hdc, r, BDR_RAISEDOUTER, BF_RECT | BF_FLAT | BF_ADJUST);
320 else
321 DrawEdge (hdc, r, EDGE_RAISED, BF_RECT | BF_SOFT | BF_ADJUST);
322 }
323 else
324 DrawEdge (hdc, r, EDGE_ETCHED, BF_BOTTOM | BF_RIGHT | BF_ADJUST);
325 }
326 }
327
328 static INT
329 HEADER_DrawItem (HEADER_INFO *infoPtr, HDC hdc, INT iItem, BOOL bHotTrack, LRESULT lCDFlags)
330 {
331 HEADER_ITEM *phdi = &infoPtr->items[iItem];
332 RECT r;
333 INT oldBkMode;
334 HTHEME theme = GetWindowTheme (infoPtr->hwndSelf);
335 NMCUSTOMDRAW nmcd;
336 int state = 0;
337
338 TRACE("DrawItem(iItem %d bHotTrack %d unicode flag %d)\n", iItem, bHotTrack, (infoPtr->nNotifyFormat == NFR_UNICODE));
339
340 r = phdi->rect;
341 if (r.right - r.left == 0)
342 return phdi->rect.right;
343
344 if (theme)
345 state = (phdi->bDown) ? HIS_PRESSED : (bHotTrack ? HIS_HOT : HIS_NORMAL);
346
347 /* Set the colors before sending NM_CUSTOMDRAW so that it can change them */
348 SetTextColor(hdc, (bHotTrack && !theme) ? COLOR_HIGHLIGHT : COLOR_BTNTEXT);
349 SetBkColor(hdc, comctl32_color.clr3dFace);
350
351 if (lCDFlags & CDRF_NOTIFYITEMDRAW && !(phdi->fmt & HDF_OWNERDRAW))
352 {
353 LRESULT lCDItemFlags;
354
355 nmcd.dwDrawStage = CDDS_PREPAINT | CDDS_ITEM;
356 nmcd.hdc = hdc;
357 nmcd.dwItemSpec = iItem;
358 nmcd.rc = r;
359 nmcd.uItemState = phdi->bDown ? CDIS_SELECTED : 0;
360 nmcd.lItemlParam = phdi->lParam;
361
362 lCDItemFlags = HEADER_SendNotify(infoPtr, NM_CUSTOMDRAW, (NMHDR *)&nmcd);
363 if (lCDItemFlags & CDRF_SKIPDEFAULT)
364 return phdi->rect.right;
365 }
366
367 /* Fill background, owner could draw over it. */
368 HEADER_FillItemFrame(infoPtr, hdc, &r, phdi, bHotTrack);
369
370 if (phdi->fmt & HDF_OWNERDRAW)
371 {
372 DRAWITEMSTRUCT dis;
373 BOOL ret;
374
375 dis.CtlType = ODT_HEADER;
376 dis.CtlID = GetWindowLongPtrW (infoPtr->hwndSelf, GWLP_ID);
377 dis.itemID = iItem;
378 dis.itemAction = ODA_DRAWENTIRE;
379 dis.itemState = phdi->bDown ? ODS_SELECTED : 0;
380 dis.hwndItem = infoPtr->hwndSelf;
381 dis.hDC = hdc;
382 dis.rcItem = phdi->rect;
383 dis.itemData = phdi->lParam;
384 oldBkMode = SetBkMode(hdc, TRANSPARENT);
385 ret = SendMessageW (infoPtr->hwndNotify, WM_DRAWITEM, dis.CtlID, (LPARAM)&dis);
386 if (oldBkMode != TRANSPARENT)
387 SetBkMode(hdc, oldBkMode);
388
389 if (!ret)
390 HEADER_FillItemFrame(infoPtr, hdc, &r, phdi, bHotTrack);
391
392 /* Edges are always drawn if we don't have attached theme. */
393 HEADER_DrawItemFrame(infoPtr, hdc, &r, phdi);
394 /* If application processed WM_DRAWITEM we should skip label painting,
395 edges are drawn no matter what. */
396 if (ret) return phdi->rect.right;
397 }
398 else
399 HEADER_DrawItemFrame(infoPtr, hdc, &r, phdi);
400
401 if (phdi->bDown) {
402 r.left += 2;
403 r.top += 2;
404 }
405
406 /* Now text and image */
407 {
408 UINT rw, rh, /* width and height of r */
409 *x = NULL, *w = NULL; /* x and width of the pic (bmp or img) which is part of cnt */
410 /* cnt,txt,img,bmp */
411 UINT cx, tx, ix, bx,
412 cw, tw, iw, bw;
413 INT img_cx, img_cy;
414 BITMAP bmp;
415
416 HEADER_PrepareCallbackItems(infoPtr, iItem, HDI_TEXT|HDI_IMAGE);
417 cw = iw = bw = 0;
418 rw = r.right - r.left;
419 rh = r.bottom - r.top;
420
421 if (phdi->fmt & HDF_STRING) {
422 RECT textRect;
423
424 SetRectEmpty(&textRect);
425
426 if (theme) {
427 GetThemeTextExtent(theme, hdc, HP_HEADERITEM, state, phdi->pszText, -1,
428 DT_LEFT|DT_VCENTER|DT_SINGLELINE, NULL, &textRect);
429 } else {
430 DrawTextW (hdc, phdi->pszText, -1,
431 &textRect, DT_LEFT|DT_VCENTER|DT_SINGLELINE|DT_CALCRECT);
432 }
433 cw = textRect.right - textRect.left + 2 * infoPtr->iMargin;
434 }
435
436 if ((phdi->fmt & HDF_IMAGE) && ImageList_GetIconSize( infoPtr->himl, &img_cx, &img_cy )) {
437 iw = img_cx + 2 * infoPtr->iMargin;
438 x = &ix;
439 w = &iw;
440 }
441
442 if ((phdi->fmt & HDF_BITMAP) && (phdi->hbm)) {
443 GetObjectW (phdi->hbm, sizeof(BITMAP), &bmp);
444 bw = bmp.bmWidth + 2 * infoPtr->iMargin;
445 if (!iw) {
446 x = &bx;
447 w = &bw;
448 }
449 }
450
451 if (bw || iw)
452 cw += *w;
453
454 /* align cx using the unclipped cw */
455 if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_LEFT)
456 cx = r.left;
457 else if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_CENTER)
458 cx = r.left + rw / 2 - cw / 2;
459 else /* HDF_RIGHT */
460 cx = r.right - cw;
461
462 /* clip cx & cw */
463 if (cx < r.left)
464 cx = r.left;
465 if (cx + cw > r.right)
466 cw = r.right - cx;
467
468 tx = cx + infoPtr->iMargin;
469 /* since cw might have changed we have to recalculate tw */
470 tw = cw - infoPtr->iMargin * 2;
471
472 if (iw || bw) {
473 tw -= *w;
474 if (phdi->fmt & HDF_BITMAP_ON_RIGHT) {
475 /* put pic behind text */
476 *x = cx + tw + infoPtr->iMargin * 3;
477 } else {
478 *x = cx + infoPtr->iMargin;
479 /* move text behind pic */
480 tx += *w;
481 }
482 }
483
484 if (iw && bw) {
485 /* since we're done with the layout we can
486 now calculate the position of bmp which
487 has no influence on alignment and layout
488 because of img */
489 if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_RIGHT)
490 bx = cx - bw + infoPtr->iMargin;
491 else
492 bx = cx + cw + infoPtr->iMargin;
493 }
494
495 if (iw || bw) {
496 HDC hClipDC = GetDC(infoPtr->hwndSelf);
497 HRGN hClipRgn = CreateRectRgn(r.left, r.top, r.right, r.bottom);
498 SelectClipRgn(hClipDC, hClipRgn);
499
500 if (bw) {
501 HDC hdcBitmap = CreateCompatibleDC (hClipDC);
502 SelectObject (hdcBitmap, phdi->hbm);
503 BitBlt (hClipDC, bx, r.top + ((INT)rh - bmp.bmHeight) / 2,
504 bmp.bmWidth, bmp.bmHeight, hdcBitmap, 0, 0, SRCCOPY);
505 DeleteDC (hdcBitmap);
506 }
507
508 if (iw) {
509 ImageList_DrawEx (infoPtr->himl, phdi->iImage, hClipDC,
510 ix, r.top + ((INT)rh - img_cy) / 2,
511 img_cx, img_cy, CLR_DEFAULT, CLR_DEFAULT, 0);
512 }
513
514 DeleteObject(hClipRgn);
515 ReleaseDC(infoPtr->hwndSelf, hClipDC);
516 }
517
518 if (((phdi->fmt & HDF_STRING)
519 || (!(phdi->fmt & (HDF_OWNERDRAW|HDF_STRING|HDF_BITMAP|
520 HDF_BITMAP_ON_RIGHT|HDF_IMAGE)))) /* no explicit format specified? */
521 && (phdi->pszText)) {
522 oldBkMode = SetBkMode(hdc, TRANSPARENT);
523 r.left = tx;
524 r.right = tx + tw;
525 if (theme) {
526 DrawThemeText(theme, hdc, HP_HEADERITEM, state, phdi->pszText,
527 -1, DT_LEFT|DT_END_ELLIPSIS|DT_VCENTER|DT_SINGLELINE,
528 0, &r);
529 } else {
530 DrawTextW (hdc, phdi->pszText, -1,
531 &r, DT_LEFT|DT_END_ELLIPSIS|DT_VCENTER|DT_SINGLELINE);
532 }
533 if (oldBkMode != TRANSPARENT)
534 SetBkMode(hdc, oldBkMode);
535 }
536 HEADER_FreeCallbackItems(phdi);
537 }
538
539 return phdi->rect.right;
540 }
541
542 static void
543 HEADER_DrawHotDivider(const HEADER_INFO *infoPtr, HDC hdc)
544 {
545 HBRUSH brush;
546 RECT r;
547
548 HEADER_GetHotDividerRect(infoPtr, &r);
549 brush = CreateSolidBrush(comctl32_color.clrHighlight);
550 FillRect(hdc, &r, brush);
551 DeleteObject(brush);
552 }
553
554 static void
555 HEADER_Refresh (HEADER_INFO *infoPtr, HDC hdc)
556 {
557 HFONT hFont, hOldFont;
558 RECT rect, rcRest;
559 HBRUSH hbrBk;
560 UINT i;
561 INT x;
562 LRESULT lCDFlags;
563 HTHEME theme = GetWindowTheme (infoPtr->hwndSelf);
564
565 if (!infoPtr->bRectsValid)
566 HEADER_SetItemBounds(infoPtr);
567
568 /* get rect for the bar, adjusted for the border */
569 GetClientRect (infoPtr->hwndSelf, &rect);
570 lCDFlags = HEADER_SendCtrlCustomDraw(infoPtr, CDDS_PREPAINT, hdc, &rect);
571
572 if (infoPtr->bDragging)
573 ImageList_DragShowNolock(FALSE);
574
575 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT);
576 hOldFont = SelectObject (hdc, hFont);
577
578 /* draw Background */
579 if (infoPtr->uNumItem == 0 && theme == NULL) {
580 hbrBk = GetSysColorBrush(COLOR_3DFACE);
581 FillRect(hdc, &rect, hbrBk);
582 }
583
584 x = rect.left;
585 for (i = 0; x <= rect.right && i < infoPtr->uNumItem; i++) {
586 int idx = HEADER_OrderToIndex(infoPtr,i);
587 if (RectVisible(hdc, &infoPtr->items[idx].rect))
588 HEADER_DrawItem(infoPtr, hdc, idx, infoPtr->iHotItem == idx, lCDFlags);
589 x = infoPtr->items[idx].rect.right;
590 }
591
592 rcRest = rect;
593 rcRest.left = x;
594 if ((x <= rect.right) && RectVisible(hdc, &rcRest) && (infoPtr->uNumItem > 0)) {
595 if (theme != NULL) {
596 DrawThemeBackground(theme, hdc, HP_HEADERITEM, HIS_NORMAL, &rcRest, NULL);
597 }
598 else if (infoPtr->dwStyle & HDS_FLAT) {
599 hbrBk = GetSysColorBrush(COLOR_3DFACE);
600 FillRect(hdc, &rcRest, hbrBk);
601 }
602 else
603 {
604 if (infoPtr->dwStyle & HDS_BUTTONS)
605 DrawEdge (hdc, &rcRest, EDGE_RAISED, BF_TOP|BF_LEFT|BF_BOTTOM|BF_SOFT|BF_MIDDLE);
606 else
607 DrawEdge (hdc, &rcRest, EDGE_ETCHED, BF_BOTTOM|BF_MIDDLE);
608 }
609 }
610
611 if (infoPtr->iHotDivider != -1)
612 HEADER_DrawHotDivider(infoPtr, hdc);
613
614 if (infoPtr->bDragging)
615 ImageList_DragShowNolock(TRUE);
616 SelectObject (hdc, hOldFont);
617
618 if (lCDFlags & CDRF_NOTIFYPOSTPAINT)
619 HEADER_SendCtrlCustomDraw(infoPtr, CDDS_POSTPAINT, hdc, &rect);
620 }
621
622
623 static void
624 HEADER_RefreshItem (HEADER_INFO *infoPtr, INT iItem)
625 {
626 if (!infoPtr->bRectsValid)
627 HEADER_SetItemBounds(infoPtr);
628
629 InvalidateRect(infoPtr->hwndSelf, &infoPtr->items[iItem].rect, FALSE);
630 }
631
632
633 static void
634 HEADER_InternalHitTest (const HEADER_INFO *infoPtr, const POINT *lpPt, UINT *pFlags, INT *pItem)
635 {
636 RECT rect, rcTest;
637 UINT iCount;
638 INT width;
639 BOOL bNoWidth;
640
641 GetClientRect (infoPtr->hwndSelf, &rect);
642
643 *pFlags = 0;
644 bNoWidth = FALSE;
645 if (PtInRect (&rect, *lpPt))
646 {
647 if (infoPtr->uNumItem == 0) {
648 *pFlags |= HHT_NOWHERE;
649 *pItem = 1;
650 TRACE("NOWHERE\n");
651 return;
652 }
653 else {
654 /* somewhere inside */
655 for (iCount = 0; iCount < infoPtr->uNumItem; iCount++) {
656 rect = infoPtr->items[iCount].rect;
657 width = rect.right - rect.left;
658 if (width == 0) {
659 bNoWidth = TRUE;
660 continue;
661 }
662 if (PtInRect (&rect, *lpPt)) {
663 if (width <= 2 * DIVIDER_WIDTH) {
664 *pFlags |= HHT_ONHEADER;
665 *pItem = iCount;
666 TRACE("ON HEADER %d\n", iCount);
667 return;
668 }
669 if (HEADER_IndexToOrder(infoPtr, iCount) > 0) {
670 rcTest = rect;
671 rcTest.right = rcTest.left + DIVIDER_WIDTH;
672 if (PtInRect (&rcTest, *lpPt)) {
673 if (HEADER_IsItemFixed(infoPtr, HEADER_PrevItem(infoPtr, iCount)))
674 {
675 *pFlags |= HHT_ONHEADER;
676 *pItem = iCount;
677 TRACE("ON HEADER %d\n", *pItem);
678 return;
679 }
680 if (bNoWidth) {
681 *pFlags |= HHT_ONDIVOPEN;
682 *pItem = HEADER_PrevItem(infoPtr, iCount);
683 TRACE("ON DIVOPEN %d\n", *pItem);
684 return;
685 }
686 else {
687 *pFlags |= HHT_ONDIVIDER;
688 *pItem = HEADER_PrevItem(infoPtr, iCount);
689 TRACE("ON DIVIDER %d\n", *pItem);
690 return;
691 }
692 }
693 }
694 rcTest = rect;
695 rcTest.left = rcTest.right - DIVIDER_WIDTH;
696 if (!HEADER_IsItemFixed(infoPtr, iCount) && PtInRect (&rcTest, *lpPt))
697 {
698 *pFlags |= HHT_ONDIVIDER;
699 *pItem = iCount;
700 TRACE("ON DIVIDER %d\n", *pItem);
701 return;
702 }
703
704 *pFlags |= HHT_ONHEADER;
705 *pItem = iCount;
706 TRACE("ON HEADER %d\n", iCount);
707 return;
708 }
709 }
710
711 /* check for last divider part (on nowhere) */
712 if (!HEADER_IsItemFixed(infoPtr, infoPtr->uNumItem - 1))
713 {
714 rect = infoPtr->items[infoPtr->uNumItem-1].rect;
715 rect.left = rect.right;
716 rect.right += DIVIDER_WIDTH;
717 if (PtInRect (&rect, *lpPt)) {
718 if (bNoWidth) {
719 *pFlags |= HHT_ONDIVOPEN;
720 *pItem = infoPtr->uNumItem - 1;
721 TRACE("ON DIVOPEN %d\n", *pItem);
722 return;
723 }
724 else {
725 *pFlags |= HHT_ONDIVIDER;
726 *pItem = infoPtr->uNumItem - 1;
727 TRACE("ON DIVIDER %d\n", *pItem);
728 return;
729 }
730 }
731 }
732
733 *pFlags |= HHT_NOWHERE;
734 *pItem = 1;
735 TRACE("NOWHERE\n");
736 return;
737 }
738 }
739 else {
740 if (lpPt->x < rect.left) {
741 TRACE("TO LEFT\n");
742 *pFlags |= HHT_TOLEFT;
743 }
744 else if (lpPt->x > rect.right) {
745 TRACE("TO RIGHT\n");
746 *pFlags |= HHT_TORIGHT;
747 }
748
749 if (lpPt->y < rect.top) {
750 TRACE("ABOVE\n");
751 *pFlags |= HHT_ABOVE;
752 }
753 else if (lpPt->y > rect.bottom) {
754 TRACE("BELOW\n");
755 *pFlags |= HHT_BELOW;
756 }
757 }
758
759 *pItem = 1;
760 TRACE("flags=0x%X\n", *pFlags);
761 return;
762 }
763
764
765 static void
766 HEADER_DrawTrackLine (const HEADER_INFO *infoPtr, HDC hdc, INT x)
767 {
768 RECT rect;
769
770 GetClientRect (infoPtr->hwndSelf, &rect);
771 PatBlt( hdc, x, rect.top, 1, rect.bottom - rect.top, DSTINVERT );
772 }
773
774 /***
775 * DESCRIPTION:
776 * Convert a HDITEM into the correct format (ANSI/Unicode) to send it in a notify
777 *
778 * PARAMETER(S):
779 * [I] infoPtr : the header that wants to send the notify
780 * [O] dest : The buffer to store the HDITEM for notify. It may be set to a HDITEMA of HDITEMW
781 * [I] src : The source HDITEM. It may be a HDITEMA or HDITEMW
782 * [I] fSourceUnicode : is src a HDITEMW or HDITEMA
783 * [O] ppvScratch : a pointer to a scratch buffer that needs to be freed after
784 * the HDITEM is no longer in use or NULL if none was needed
785 *
786 * NOTE: We depend on HDITEMA and HDITEMW having the same structure
787 */
788 static void HEADER_CopyHDItemForNotify(const HEADER_INFO *infoPtr, HDITEMW *dest,
789 const HDITEMW *src, BOOL fSourceUnicode, LPVOID *ppvScratch)
790 {
791 *ppvScratch = NULL;
792 *dest = *src;
793
794 if (src->mask & HDI_TEXT && src->pszText != LPSTR_TEXTCALLBACKW) /* covers TEXTCALLBACKA as well */
795 {
796 if (fSourceUnicode && infoPtr->nNotifyFormat != NFR_UNICODE)
797 {
798 dest->pszText = NULL;
799 Str_SetPtrWtoA((LPSTR *)&dest->pszText, src->pszText);
800 *ppvScratch = dest->pszText;
801 }
802
803 if (!fSourceUnicode && infoPtr->nNotifyFormat == NFR_UNICODE)
804 {
805 dest->pszText = NULL;
806 Str_SetPtrAtoW(&dest->pszText, (LPSTR)src->pszText);
807 *ppvScratch = dest->pszText;
808 }
809 }
810 }
811
812 static UINT HEADER_NotifyCodeWtoA(UINT code)
813 {
814 /* we use the fact that all the unicode messages are in HDN_FIRST_UNICODE..HDN_LAST*/
815 if (code >= HDN_LAST && code <= HDN_FIRST_UNICODE)
816 return code + HDN_UNICODE_OFFSET;
817 else
818 return code;
819 }
820
821 static LRESULT
822 HEADER_SendNotify(const HEADER_INFO *infoPtr, UINT code, NMHDR *nmhdr)
823 {
824 nmhdr->hwndFrom = infoPtr->hwndSelf;
825 nmhdr->idFrom = GetWindowLongPtrW (infoPtr->hwndSelf, GWLP_ID);
826 nmhdr->code = code;
827
828 return SendMessageW(infoPtr->hwndNotify, WM_NOTIFY,
829 nmhdr->idFrom, (LPARAM)nmhdr);
830 }
831
832 static BOOL
833 HEADER_SendSimpleNotify (const HEADER_INFO *infoPtr, UINT code)
834 {
835 NMHDR nmhdr;
836 return (BOOL)HEADER_SendNotify(infoPtr, code, &nmhdr);
837 }
838
839 static LRESULT
840 HEADER_SendCtrlCustomDraw(const HEADER_INFO *infoPtr, DWORD dwDrawStage, HDC hdc, const RECT *rect)
841 {
842 NMCUSTOMDRAW nm;
843 nm.dwDrawStage = dwDrawStage;
844 nm.hdc = hdc;
845 nm.rc = *rect;
846 nm.dwItemSpec = 0;
847 nm.uItemState = 0;
848 nm.lItemlParam = 0;
849
850 return HEADER_SendNotify(infoPtr, NM_CUSTOMDRAW, (NMHDR *)&nm);
851 }
852
853 static BOOL
854 HEADER_SendNotifyWithHDItemT(const HEADER_INFO *infoPtr, UINT code, INT iItem, HDITEMW *lpItem)
855 {
856 NMHEADERW nmhdr;
857
858 if (infoPtr->nNotifyFormat != NFR_UNICODE)
859 code = HEADER_NotifyCodeWtoA(code);
860 nmhdr.iItem = iItem;
861 nmhdr.iButton = 0;
862 nmhdr.pitem = lpItem;
863
864 return (BOOL)HEADER_SendNotify(infoPtr, code, (NMHDR *)&nmhdr);
865 }
866
867 static BOOL
868 HEADER_SendNotifyWithIntFieldT(const HEADER_INFO *infoPtr, UINT code, INT iItem, INT mask, INT iValue)
869 {
870 HDITEMW nmitem;
871
872 /* copying only the iValue should be ok but to make the code more robust we copy everything */
873 nmitem.cxy = infoPtr->items[iItem].cxy;
874 nmitem.hbm = infoPtr->items[iItem].hbm;
875 nmitem.pszText = NULL;
876 nmitem.cchTextMax = 0;
877 nmitem.fmt = infoPtr->items[iItem].fmt;
878 nmitem.lParam = infoPtr->items[iItem].lParam;
879 nmitem.iOrder = infoPtr->items[iItem].iOrder;
880 nmitem.iImage = infoPtr->items[iItem].iImage;
881
882 nmitem.mask = mask;
883 switch (mask)
884 {
885 case HDI_WIDTH:
886 nmitem.cxy = iValue;
887 break;
888 case HDI_ORDER:
889 nmitem.iOrder = iValue;
890 break;
891 default:
892 ERR("invalid mask value 0x%x\n", iValue);
893 }
894
895 return HEADER_SendNotifyWithHDItemT(infoPtr, code, iItem, &nmitem);
896 }
897
898 /**
899 * Prepare callback items
900 * depends on NMHDDISPINFOW having same structure as NMHDDISPINFOA
901 * (so we handle the two cases only doing a specific cast for pszText).
902 * Checks if any of the required fields is a callback. If this is the case sends a
903 * NMHDISPINFO notify to retrieve these items. The items are stored in the
904 * HEADER_ITEM pszText and iImage fields. They should be freed with
905 * HEADER_FreeCallbackItems.
906 *
907 * @param hwnd : hwnd header container handler
908 * @param iItem : the header item id
909 * @param reqMask : required fields. If any of them is callback this function will fetch it
910 *
911 * @return TRUE on success, else FALSE
912 */
913 static BOOL
914 HEADER_PrepareCallbackItems(const HEADER_INFO *infoPtr, INT iItem, INT reqMask)
915 {
916 HEADER_ITEM *lpItem = &infoPtr->items[iItem];
917 DWORD mask = reqMask & lpItem->callbackMask;
918 NMHDDISPINFOW dispInfo;
919 void *pvBuffer = NULL;
920
921 if (mask == 0)
922 return TRUE;
923 if (mask&HDI_TEXT && lpItem->pszText != NULL)
924 {
925 ERR("(): function called without a call to FreeCallbackItems\n");
926 Free(lpItem->pszText);
927 lpItem->pszText = NULL;
928 }
929
930 memset(&dispInfo, 0, sizeof(NMHDDISPINFOW));
931 dispInfo.hdr.hwndFrom = infoPtr->hwndSelf;
932 dispInfo.hdr.idFrom = GetWindowLongPtrW (infoPtr->hwndSelf, GWLP_ID);
933 if (infoPtr->nNotifyFormat == NFR_UNICODE)
934 {
935 dispInfo.hdr.code = HDN_GETDISPINFOW;
936 if (mask & HDI_TEXT)
937 pvBuffer = Alloc(MAX_HEADER_TEXT_LEN * sizeof(WCHAR));
938 }
939 else
940 {
941 dispInfo.hdr.code = HDN_GETDISPINFOA;
942 if (mask & HDI_TEXT)
943 pvBuffer = Alloc(MAX_HEADER_TEXT_LEN * sizeof(CHAR));
944 }
945 dispInfo.pszText = pvBuffer;
946 dispInfo.cchTextMax = (pvBuffer!=NULL?MAX_HEADER_TEXT_LEN:0);
947 dispInfo.iItem = iItem;
948 dispInfo.mask = mask;
949 dispInfo.lParam = lpItem->lParam;
950
951 TRACE("Sending HDN_GETDISPINFO%c\n", infoPtr->nNotifyFormat == NFR_UNICODE?'W':'A');
952 SendMessageW(infoPtr->hwndNotify, WM_NOTIFY, dispInfo.hdr.idFrom, (LPARAM)&dispInfo);
953
954 TRACE("SendMessage returns(mask:0x%x,str:%s,lParam:%p)\n",
955 dispInfo.mask,
956 (infoPtr->nNotifyFormat == NFR_UNICODE ? debugstr_w(dispInfo.pszText) : (LPSTR) dispInfo.pszText),
957 (void*) dispInfo.lParam);
958
959 if (mask & HDI_IMAGE)
960 lpItem->iImage = dispInfo.iImage;
961 if (mask & HDI_TEXT)
962 {
963 if (infoPtr->nNotifyFormat == NFR_UNICODE)
964 {
965 lpItem->pszText = pvBuffer;
966
967 /* the user might have used his own buffer */
968 if (dispInfo.pszText != lpItem->pszText)
969 Str_GetPtrW(dispInfo.pszText, lpItem->pszText, MAX_HEADER_TEXT_LEN);
970 }
971 else
972 {
973 Str_SetPtrAtoW(&lpItem->pszText, (LPSTR)dispInfo.pszText);
974 Free(pvBuffer);
975 }
976 }
977
978 if (dispInfo.mask & HDI_DI_SETITEM)
979 {
980 /* make the items permanent */
981 lpItem->callbackMask &= ~dispInfo.mask;
982 }
983
984 return TRUE;
985 }
986
987 /***
988 * DESCRIPTION:
989 * Free the items that might be allocated with HEADER_PrepareCallbackItems
990 *
991 * PARAMETER(S):
992 * [I] lpItem : the item to free the data
993 *
994 */
995 static void
996 HEADER_FreeCallbackItems(HEADER_ITEM *lpItem)
997 {
998 if (lpItem->callbackMask&HDI_TEXT)
999 {
1000 Free(lpItem->pszText);
1001 lpItem->pszText = NULL;
1002 }
1003
1004 if (lpItem->callbackMask&HDI_IMAGE)
1005 lpItem->iImage = I_IMAGECALLBACK;
1006 }
1007
1008 static LRESULT
1009 HEADER_CreateDragImage (HEADER_INFO *infoPtr, INT iItem)
1010 {
1011 HEADER_ITEM *lpItem;
1012 HIMAGELIST himl;
1013 HBITMAP hMemory, hOldBitmap;
1014 LRESULT lCDFlags;
1015 RECT rc;
1016 HDC hMemoryDC;
1017 HDC hDeviceDC;
1018 int height, width;
1019 HFONT hFont;
1020
1021 if (iItem >= infoPtr->uNumItem)
1022 return FALSE;
1023
1024 if (!infoPtr->bRectsValid)
1025 HEADER_SetItemBounds(infoPtr);
1026
1027 lpItem = &infoPtr->items[iItem];
1028 width = lpItem->rect.right - lpItem->rect.left;
1029 height = lpItem->rect.bottom - lpItem->rect.top;
1030
1031 hDeviceDC = GetDC(NULL);
1032 hMemoryDC = CreateCompatibleDC(hDeviceDC);
1033 hMemory = CreateCompatibleBitmap(hDeviceDC, width, height);
1034 ReleaseDC(NULL, hDeviceDC);
1035 hOldBitmap = SelectObject(hMemoryDC, hMemory);
1036 SetViewportOrgEx(hMemoryDC, -lpItem->rect.left, -lpItem->rect.top, NULL);
1037 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject(SYSTEM_FONT);
1038 SelectObject(hMemoryDC, hFont);
1039
1040 GetClientRect(infoPtr->hwndSelf, &rc);
1041 lCDFlags = HEADER_SendCtrlCustomDraw(infoPtr, CDDS_PREPAINT, hMemoryDC, &rc);
1042 HEADER_DrawItem(infoPtr, hMemoryDC, iItem, FALSE, lCDFlags);
1043 if (lCDFlags & CDRF_NOTIFYPOSTPAINT)
1044 HEADER_SendCtrlCustomDraw(infoPtr, CDDS_POSTPAINT, hMemoryDC, &rc);
1045
1046 hMemory = SelectObject(hMemoryDC, hOldBitmap);
1047 DeleteDC(hMemoryDC);
1048
1049 if (hMemory == NULL) /* if anything failed */
1050 return FALSE;
1051
1052 himl = ImageList_Create(width, height, ILC_COLORDDB, 1, 1);
1053 ImageList_Add(himl, hMemory, NULL);
1054 DeleteObject(hMemory);
1055 return (LRESULT)himl;
1056 }
1057
1058 static LRESULT
1059 HEADER_SetHotDivider(HEADER_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
1060 {
1061 INT iDivider;
1062 RECT r;
1063
1064 if (wParam)
1065 {
1066 POINT pt;
1067 UINT flags;
1068 pt.x = (INT)(SHORT)LOWORD(lParam);
1069 pt.y = 0;
1070 HEADER_InternalHitTest (infoPtr, &pt, &flags, &iDivider);
1071
1072 if (flags & HHT_TOLEFT)
1073 iDivider = 0;
1074 else if (flags & HHT_NOWHERE || flags & HHT_TORIGHT)
1075 iDivider = infoPtr->uNumItem;
1076 else
1077 {
1078 HEADER_ITEM *lpItem = &infoPtr->items[iDivider];
1079 if (pt.x > (lpItem->rect.left+lpItem->rect.right)/2)
1080 iDivider = HEADER_NextItem(infoPtr, iDivider);
1081 }
1082 }
1083 else
1084 iDivider = (INT)lParam;
1085
1086 /* Note; wParam==FALSE, lParam==-1 is valid and is used to clear the hot divider */
1087 if (iDivider<-1 || iDivider>(int)infoPtr->uNumItem)
1088 return iDivider;
1089
1090 if (iDivider != infoPtr->iHotDivider)
1091 {
1092 if (infoPtr->iHotDivider != -1)
1093 {
1094 HEADER_GetHotDividerRect(infoPtr, &r);
1095 InvalidateRect(infoPtr->hwndSelf, &r, FALSE);
1096 }
1097 infoPtr->iHotDivider = iDivider;
1098 if (iDivider != -1)
1099 {
1100 HEADER_GetHotDividerRect(infoPtr, &r);
1101 InvalidateRect(infoPtr->hwndSelf, &r, FALSE);
1102 }
1103 }
1104 return iDivider;
1105 }
1106
1107 static LRESULT
1108 HEADER_DeleteItem (HEADER_INFO *infoPtr, INT iItem)
1109 {
1110 INT iOrder;
1111 UINT i;
1112
1113 TRACE("[iItem=%d]\n", iItem);
1114
1115 if ((iItem < 0) || (iItem >= (INT)infoPtr->uNumItem))
1116 return FALSE;
1117
1118 for (i = 0; i < infoPtr->uNumItem; i++)
1119 TRACE("%d: order=%d, iOrder=%d, ->iOrder=%d\n", i, infoPtr->order[i], infoPtr->items[i].iOrder, infoPtr->items[infoPtr->order[i]].iOrder);
1120
1121 iOrder = infoPtr->items[iItem].iOrder;
1122 Free(infoPtr->items[iItem].pszText);
1123
1124 infoPtr->uNumItem--;
1125 memmove(&infoPtr->items[iItem], &infoPtr->items[iItem + 1],
1126 (infoPtr->uNumItem - iItem) * sizeof(HEADER_ITEM));
1127 memmove(&infoPtr->order[iOrder], &infoPtr->order[iOrder + 1],
1128 (infoPtr->uNumItem - iOrder) * sizeof(INT));
1129 infoPtr->items = ReAlloc(infoPtr->items, sizeof(HEADER_ITEM) * infoPtr->uNumItem);
1130 infoPtr->order = ReAlloc(infoPtr->order, sizeof(INT) * infoPtr->uNumItem);
1131
1132 /* Correct the orders */
1133 for (i = 0; i < infoPtr->uNumItem; i++)
1134 {
1135 if (infoPtr->order[i] > iItem)
1136 infoPtr->order[i]--;
1137 if (i >= iOrder)
1138 infoPtr->items[infoPtr->order[i]].iOrder = i;
1139 }
1140 for (i = 0; i < infoPtr->uNumItem; i++)
1141 TRACE("%d: order=%d, iOrder=%d, ->iOrder=%d\n", i, infoPtr->order[i], infoPtr->items[i].iOrder, infoPtr->items[infoPtr->order[i]].iOrder);
1142
1143 HEADER_SetItemBounds (infoPtr);
1144 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1145
1146 return TRUE;
1147 }
1148
1149
1150 static LRESULT
1151 HEADER_GetImageList (const HEADER_INFO *infoPtr)
1152 {
1153 return (LRESULT)infoPtr->himl;
1154 }
1155
1156
1157 static LRESULT
1158 HEADER_GetItemT (const HEADER_INFO *infoPtr, INT nItem, LPHDITEMW phdi, BOOL bUnicode)
1159 {
1160 HEADER_ITEM *lpItem;
1161 UINT mask;
1162
1163 if (!phdi)
1164 return FALSE;
1165
1166 TRACE("[nItem=%d]\n", nItem);
1167
1168 mask = phdi->mask;
1169 if (mask == 0)
1170 return TRUE;
1171
1172 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
1173 return FALSE;
1174
1175 if (mask & HDI_UNKNOWN_FIELDS)
1176 {
1177 TRACE("mask %x contains unknown fields. Using only comctl32 4.0 fields\n", mask);
1178 mask &= HDI_COMCTL32_4_0_FIELDS;
1179 }
1180
1181 lpItem = &infoPtr->items[nItem];
1182 HEADER_PrepareCallbackItems(infoPtr, nItem, mask);
1183
1184 if (mask & HDI_BITMAP)
1185 phdi->hbm = lpItem->hbm;
1186
1187 if (mask & HDI_FORMAT)
1188 phdi->fmt = lpItem->fmt;
1189
1190 if (mask & HDI_WIDTH)
1191 phdi->cxy = lpItem->cxy;
1192
1193 if (mask & HDI_LPARAM)
1194 phdi->lParam = lpItem->lParam;
1195
1196 if (mask & HDI_IMAGE)
1197 phdi->iImage = lpItem->iImage;
1198
1199 if (mask & HDI_ORDER)
1200 phdi->iOrder = lpItem->iOrder;
1201
1202 if (mask & HDI_TEXT)
1203 {
1204 if (bUnicode)
1205 Str_GetPtrW (lpItem->pszText, phdi->pszText, phdi->cchTextMax);
1206 else
1207 Str_GetPtrWtoA (lpItem->pszText, (LPSTR)phdi->pszText, phdi->cchTextMax);
1208 }
1209
1210 HEADER_FreeCallbackItems(lpItem);
1211 return TRUE;
1212 }
1213
1214
1215 static inline LRESULT
1216 HEADER_GetItemCount (const HEADER_INFO *infoPtr)
1217 {
1218 return infoPtr->uNumItem;
1219 }
1220
1221
1222 static LRESULT
1223 HEADER_GetItemRect (const HEADER_INFO *infoPtr, INT iItem, LPRECT lpRect)
1224 {
1225 if ((iItem < 0) || (iItem >= (INT)infoPtr->uNumItem))
1226 return FALSE;
1227
1228 lpRect->left = infoPtr->items[iItem].rect.left;
1229 lpRect->right = infoPtr->items[iItem].rect.right;
1230 lpRect->top = infoPtr->items[iItem].rect.top;
1231 lpRect->bottom = infoPtr->items[iItem].rect.bottom;
1232
1233 return TRUE;
1234 }
1235
1236
1237 static LRESULT
1238 HEADER_GetOrderArray(const HEADER_INFO *infoPtr, INT size, LPINT order)
1239 {
1240 if ((UINT)size <infoPtr->uNumItem)
1241 return FALSE;
1242
1243 memcpy(order, infoPtr->order, infoPtr->uNumItem * sizeof(INT));
1244 return TRUE;
1245 }
1246
1247 /* Returns index of first duplicate 'value' from [0,to) range,
1248 or -1 if there isn't any */
1249 static INT has_duplicate(const INT *array, INT to, INT value)
1250 {
1251 INT i;
1252 for(i = 0; i < to; i++)
1253 if (array[i] == value) return i;
1254 return -1;
1255 }
1256
1257 /* returns next available value from [0,max] not to duplicate in [0,to) */
1258 static INT get_nextvalue(const INT *array, INT to, INT max)
1259 {
1260 INT i;
1261 for(i = 0; i < max; i++)
1262 if (has_duplicate(array, to, i) == -1) return i;
1263 return 0;
1264 }
1265
1266 static LRESULT
1267 HEADER_SetOrderArray(HEADER_INFO *infoPtr, INT size, const INT *order)
1268 {
1269 HEADER_ITEM *lpItem;
1270 INT i;
1271
1272 if ((UINT)size != infoPtr->uNumItem)
1273 return FALSE;
1274
1275 if (TRACE_ON(header))
1276 {
1277 TRACE("count=%d, order array={", size);
1278 for (i = 0; i < size; i++)
1279 TRACE("%d%c", order[i], i != size-1 ? ',' : '}');
1280 TRACE("\n");
1281 }
1282
1283 for (i=0; i<size; i++)
1284 {
1285 if (order[i] >= size || order[i] < 0)
1286 /* on invalid index get next available */
1287 /* FIXME: if i==0 array item is out of range behaviour is
1288 different, see tests */
1289 infoPtr->order[i] = get_nextvalue(infoPtr->order, i, size);
1290 else
1291 {
1292 INT j, dup;
1293
1294 infoPtr->order[i] = order[i];
1295 j = i;
1296 /* remove duplicates */
1297 while ((dup = has_duplicate(infoPtr->order, j, order[j])) != -1)
1298 {
1299 INT next;
1300
1301 next = get_nextvalue(infoPtr->order, j, size);
1302 infoPtr->order[dup] = next;
1303 j--;
1304 }
1305 }
1306 }
1307 /* sync with item data */
1308 for (i=0; i<size; i++)
1309 {
1310 lpItem = &infoPtr->items[infoPtr->order[i]];
1311 lpItem->iOrder = i;
1312 }
1313 HEADER_SetItemBounds(infoPtr);
1314 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1315 return TRUE;
1316 }
1317
1318 static inline LRESULT
1319 HEADER_GetUnicodeFormat (const HEADER_INFO *infoPtr)
1320 {
1321 return (infoPtr->nNotifyFormat == NFR_UNICODE);
1322 }
1323
1324
1325 static LRESULT
1326 HEADER_HitTest (const HEADER_INFO *infoPtr, LPHDHITTESTINFO phti)
1327 {
1328 UINT outside = HHT_NOWHERE | HHT_ABOVE | HHT_BELOW | HHT_TOLEFT | HHT_TORIGHT;
1329
1330 HEADER_InternalHitTest (infoPtr, &phti->pt, &phti->flags, &phti->iItem);
1331
1332 if (phti->flags & outside)
1333 return phti->iItem = -1;
1334 else
1335 return phti->iItem;
1336 }
1337
1338
1339 static LRESULT
1340 HEADER_InsertItemT (HEADER_INFO *infoPtr, INT nItem, const HDITEMW *phdi, BOOL bUnicode)
1341 {
1342 HEADER_ITEM *lpItem;
1343 INT iOrder;
1344 UINT i;
1345 UINT copyMask;
1346
1347 if ((phdi == NULL) || (nItem < 0) || (phdi->mask == 0))
1348 return -1;
1349
1350 if (nItem > infoPtr->uNumItem)
1351 nItem = infoPtr->uNumItem;
1352
1353 iOrder = (phdi->mask & HDI_ORDER) ? phdi->iOrder : nItem;
1354 if (iOrder < 0)
1355 iOrder = 0;
1356 else if (infoPtr->uNumItem < iOrder)
1357 iOrder = infoPtr->uNumItem;
1358
1359 infoPtr->uNumItem++;
1360 infoPtr->items = ReAlloc(infoPtr->items, sizeof(HEADER_ITEM) * infoPtr->uNumItem);
1361 infoPtr->order = ReAlloc(infoPtr->order, sizeof(INT) * infoPtr->uNumItem);
1362
1363 /* make space for the new item */
1364 memmove(&infoPtr->items[nItem + 1], &infoPtr->items[nItem],
1365 (infoPtr->uNumItem - nItem - 1) * sizeof(HEADER_ITEM));
1366 memmove(&infoPtr->order[iOrder + 1], &infoPtr->order[iOrder],
1367 (infoPtr->uNumItem - iOrder - 1) * sizeof(INT));
1368
1369 /* update the order array */
1370 infoPtr->order[iOrder] = nItem;
1371 for (i = 0; i < infoPtr->uNumItem; i++)
1372 {
1373 if (i != iOrder && infoPtr->order[i] >= nItem)
1374 infoPtr->order[i]++;
1375 infoPtr->items[infoPtr->order[i]].iOrder = i;
1376 }
1377
1378 lpItem = &infoPtr->items[nItem];
1379 ZeroMemory(lpItem, sizeof(HEADER_ITEM));
1380 /* cxy, fmt and lParam are copied even if not in the HDITEM mask */
1381 copyMask = phdi->mask | HDI_WIDTH | HDI_FORMAT | HDI_LPARAM;
1382 HEADER_StoreHDItemInHeader(lpItem, copyMask, phdi, bUnicode);
1383 lpItem->iOrder = iOrder;
1384
1385 /* set automatically some format bits */
1386 if (phdi->mask & HDI_TEXT)
1387 lpItem->fmt |= HDF_STRING;
1388 else
1389 lpItem->fmt &= ~HDF_STRING;
1390
1391 if (lpItem->hbm != NULL)
1392 lpItem->fmt |= HDF_BITMAP;
1393 else
1394 lpItem->fmt &= ~HDF_BITMAP;
1395
1396 if (phdi->mask & HDI_IMAGE)
1397 lpItem->fmt |= HDF_IMAGE;
1398
1399 HEADER_SetItemBounds (infoPtr);
1400 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1401
1402 return nItem;
1403 }
1404
1405
1406 static LRESULT
1407 HEADER_Layout (HEADER_INFO *infoPtr, LPHDLAYOUT lpLayout)
1408 {
1409 lpLayout->pwpos->hwnd = infoPtr->hwndSelf;
1410 lpLayout->pwpos->hwndInsertAfter = 0;
1411 lpLayout->pwpos->x = lpLayout->prc->left;
1412 lpLayout->pwpos->y = lpLayout->prc->top;
1413 lpLayout->pwpos->cx = lpLayout->prc->right - lpLayout->prc->left;
1414 if (infoPtr->dwStyle & HDS_HIDDEN)
1415 lpLayout->pwpos->cy = 0;
1416 else {
1417 lpLayout->pwpos->cy = infoPtr->nHeight;
1418 lpLayout->prc->top += infoPtr->nHeight;
1419 }
1420 lpLayout->pwpos->flags = SWP_NOZORDER;
1421
1422 TRACE("Layout x=%d y=%d cx=%d cy=%d\n",
1423 lpLayout->pwpos->x, lpLayout->pwpos->y,
1424 lpLayout->pwpos->cx, lpLayout->pwpos->cy);
1425
1426 infoPtr->bRectsValid = FALSE;
1427
1428 return TRUE;
1429 }
1430
1431
1432 static LRESULT
1433 HEADER_SetImageList (HEADER_INFO *infoPtr, HIMAGELIST himl)
1434 {
1435 HIMAGELIST himlOld;
1436
1437 TRACE("(himl %p)\n", himl);
1438 himlOld = infoPtr->himl;
1439 infoPtr->himl = himl;
1440
1441 /* FIXME: Refresh needed??? */
1442
1443 return (LRESULT)himlOld;
1444 }
1445
1446
1447 static LRESULT
1448 HEADER_GetBitmapMargin(const HEADER_INFO *infoPtr)
1449 {
1450 return infoPtr->iMargin;
1451 }
1452
1453 static LRESULT
1454 HEADER_SetBitmapMargin(HEADER_INFO *infoPtr, INT iMargin)
1455 {
1456 INT oldMargin = infoPtr->iMargin;
1457
1458 infoPtr->iMargin = iMargin;
1459
1460 return oldMargin;
1461 }
1462
1463 static LRESULT
1464 HEADER_SetItemT (HEADER_INFO *infoPtr, INT nItem, const HDITEMW *phdi, BOOL bUnicode)
1465 {
1466 HEADER_ITEM *lpItem;
1467 HDITEMW hdNotify;
1468 void *pvScratch;
1469
1470 if (phdi == NULL)
1471 return FALSE;
1472 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
1473 return FALSE;
1474
1475 TRACE("[nItem=%d]\n", nItem);
1476
1477 HEADER_CopyHDItemForNotify(infoPtr, &hdNotify, phdi, bUnicode, &pvScratch);
1478 if (HEADER_SendNotifyWithHDItemT(infoPtr, HDN_ITEMCHANGINGW, nItem, &hdNotify))
1479 {
1480 Free(pvScratch);
1481 return FALSE;
1482 }
1483
1484 lpItem = &infoPtr->items[nItem];
1485 HEADER_StoreHDItemInHeader(lpItem, phdi->mask, phdi, bUnicode);
1486
1487 if (phdi->mask & HDI_ORDER)
1488 if (phdi->iOrder >= 0 && phdi->iOrder < infoPtr->uNumItem)
1489 HEADER_ChangeItemOrder(infoPtr, nItem, phdi->iOrder);
1490
1491 HEADER_SendNotifyWithHDItemT(infoPtr, HDN_ITEMCHANGEDW, nItem, &hdNotify);
1492
1493 HEADER_SetItemBounds (infoPtr);
1494
1495 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1496
1497 Free(pvScratch);
1498 return TRUE;
1499 }
1500
1501 static inline LRESULT
1502 HEADER_SetUnicodeFormat (HEADER_INFO *infoPtr, WPARAM wParam)
1503 {
1504 BOOL bTemp = (infoPtr->nNotifyFormat == NFR_UNICODE);
1505
1506 infoPtr->nNotifyFormat = ((BOOL)wParam ? NFR_UNICODE : NFR_ANSI);
1507
1508 return bTemp;
1509 }
1510
1511
1512 static LRESULT
1513 HEADER_Create (HWND hwnd, const CREATESTRUCTW *lpcs)
1514 {
1515 HEADER_INFO *infoPtr;
1516 TEXTMETRICW tm;
1517 HFONT hOldFont;
1518 HDC hdc;
1519
1520 infoPtr = Alloc (sizeof(HEADER_INFO));
1521 SetWindowLongPtrW (hwnd, 0, (DWORD_PTR)infoPtr);
1522
1523 infoPtr->hwndSelf = hwnd;
1524 infoPtr->hwndNotify = lpcs->hwndParent;
1525 infoPtr->uNumItem = 0;
1526 infoPtr->hFont = 0;
1527 infoPtr->items = 0;
1528 infoPtr->order = 0;
1529 infoPtr->bRectsValid = FALSE;
1530 infoPtr->hcurArrow = LoadCursorW (0, (LPWSTR)IDC_ARROW);
1531 infoPtr->hcurDivider = LoadCursorW (COMCTL32_hModule, MAKEINTRESOURCEW(IDC_DIVIDER));
1532 infoPtr->hcurDivopen = LoadCursorW (COMCTL32_hModule, MAKEINTRESOURCEW(IDC_DIVIDEROPEN));
1533 infoPtr->bPressed = FALSE;
1534 infoPtr->bTracking = FALSE;
1535 infoPtr->dwStyle = lpcs->style;
1536 infoPtr->iMoveItem = 0;
1537 infoPtr->himl = 0;
1538 infoPtr->iHotItem = -1;
1539 infoPtr->iHotDivider = -1;
1540 infoPtr->iMargin = 3*GetSystemMetrics(SM_CXEDGE);
1541 infoPtr->nNotifyFormat =
1542 SendMessageW (infoPtr->hwndNotify, WM_NOTIFYFORMAT, (WPARAM)hwnd, NF_QUERY);
1543
1544 hdc = GetDC (0);
1545 hOldFont = SelectObject (hdc, GetStockObject (SYSTEM_FONT));
1546 GetTextMetricsW (hdc, &tm);
1547 infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
1548 SelectObject (hdc, hOldFont);
1549 ReleaseDC (0, hdc);
1550
1551 OpenThemeData(hwnd, themeClass);
1552
1553 return 0;
1554 }
1555
1556
1557 static LRESULT
1558 HEADER_Destroy (HEADER_INFO *infoPtr)
1559 {
1560 HTHEME theme = GetWindowTheme(infoPtr->hwndSelf);
1561 CloseThemeData(theme);
1562 return 0;
1563 }
1564
1565 static LRESULT
1566 HEADER_NCDestroy (HEADER_INFO *infoPtr)
1567 {
1568 HEADER_ITEM *lpItem;
1569 INT nItem;
1570
1571 if (infoPtr->items) {
1572 lpItem = infoPtr->items;
1573 for (nItem = 0; nItem < infoPtr->uNumItem; nItem++, lpItem++) {
1574 Free(lpItem->pszText);
1575 }
1576 Free (infoPtr->items);
1577 }
1578
1579 Free(infoPtr->order);
1580
1581 SetWindowLongPtrW (infoPtr->hwndSelf, 0, 0);
1582 Free (infoPtr);
1583
1584 return 0;
1585 }
1586
1587
1588 static inline LRESULT
1589 HEADER_GetFont (const HEADER_INFO *infoPtr)
1590 {
1591 return (LRESULT)infoPtr->hFont;
1592 }
1593
1594
1595 static BOOL
1596 HEADER_IsDragDistance(const HEADER_INFO *infoPtr, const POINT *pt)
1597 {
1598 /* Windows allows for a mouse movement before starting the drag. We use the
1599 * SM_CXDOUBLECLICK/SM_CYDOUBLECLICK as that distance.
1600 */
1601 return (abs(infoPtr->ptLButtonDown.x - pt->x)>GetSystemMetrics(SM_CXDOUBLECLK) ||
1602 abs(infoPtr->ptLButtonDown.y - pt->y)>GetSystemMetrics(SM_CYDOUBLECLK));
1603 }
1604
1605 static LRESULT
1606 HEADER_LButtonDblClk (const HEADER_INFO *infoPtr, INT x, INT y)
1607 {
1608 POINT pt;
1609 UINT flags;
1610 INT nItem;
1611
1612 pt.x = x;
1613 pt.y = y;
1614 HEADER_InternalHitTest (infoPtr, &pt, &flags, &nItem);
1615
1616 if ((infoPtr->dwStyle & HDS_BUTTONS) && (flags == HHT_ONHEADER))
1617 HEADER_SendNotifyWithHDItemT(infoPtr, HDN_ITEMDBLCLICKW, nItem, NULL);
1618 else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN))
1619 HEADER_SendNotifyWithHDItemT(infoPtr, HDN_DIVIDERDBLCLICKW, nItem, NULL);
1620
1621 return 0;
1622 }
1623
1624
1625 static LRESULT
1626 HEADER_LButtonDown (HEADER_INFO *infoPtr, INT x, INT y)
1627 {
1628 POINT pt;
1629 UINT flags;
1630 INT nItem;
1631 HDC hdc;
1632
1633 pt.x = x;
1634 pt.y = y;
1635 HEADER_InternalHitTest (infoPtr, &pt, &flags, &nItem);
1636
1637 if ((infoPtr->dwStyle & HDS_BUTTONS) && (flags == HHT_ONHEADER)) {
1638 SetCapture (infoPtr->hwndSelf);
1639 infoPtr->bCaptured = TRUE;
1640 infoPtr->bPressed = TRUE;
1641 infoPtr->bDragging = FALSE;
1642 infoPtr->iMoveItem = nItem;
1643 infoPtr->ptLButtonDown = pt;
1644
1645 infoPtr->items[nItem].bDown = TRUE;
1646
1647 /* Send WM_CUSTOMDRAW */
1648 hdc = GetDC (infoPtr->hwndSelf);
1649 HEADER_RefreshItem (infoPtr, nItem);
1650 ReleaseDC (infoPtr->hwndSelf, hdc);
1651
1652 TRACE("Pressed item %d!\n", nItem);
1653 }
1654 else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN)) {
1655 INT iCurrWidth = infoPtr->items[nItem].cxy;
1656 if (!HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_BEGINTRACKW, nItem, HDI_WIDTH, iCurrWidth))
1657 {
1658 SetCapture (infoPtr->hwndSelf);
1659 infoPtr->bCaptured = TRUE;
1660 infoPtr->bTracking = TRUE;
1661 infoPtr->iMoveItem = nItem;
1662 infoPtr->xTrackOffset = infoPtr->items[nItem].rect.right - pt.x;
1663
1664 if (!(infoPtr->dwStyle & HDS_FULLDRAG)) {
1665 infoPtr->xOldTrack = infoPtr->items[nItem].rect.right;
1666 hdc = GetDC (infoPtr->hwndSelf);
1667 HEADER_DrawTrackLine (infoPtr, hdc, infoPtr->xOldTrack);
1668 ReleaseDC (infoPtr->hwndSelf, hdc);
1669 }
1670
1671 TRACE("Begin tracking item %d!\n", nItem);
1672 }
1673 }
1674
1675 return 0;
1676 }
1677
1678
1679 static LRESULT
1680 HEADER_LButtonUp (HEADER_INFO *infoPtr, INT x, INT y)
1681 {
1682 POINT pt;
1683 UINT flags;
1684 INT nItem;
1685 HDC hdc;
1686
1687 pt.x = x;
1688 pt.y = y;
1689 HEADER_InternalHitTest (infoPtr, &pt, &flags, &nItem);
1690
1691 if (infoPtr->bPressed) {
1692
1693 infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
1694
1695 if (infoPtr->bDragging)
1696 {
1697 HEADER_ITEM *lpItem = &infoPtr->items[infoPtr->iMoveItem];
1698 INT iNewOrder;
1699
1700 ImageList_DragShowNolock(FALSE);
1701 ImageList_EndDrag();
1702
1703 if (infoPtr->iHotDivider == -1)
1704 iNewOrder = -1;
1705 else if (infoPtr->iHotDivider == infoPtr->uNumItem)
1706 iNewOrder = infoPtr->uNumItem-1;
1707 else
1708 {
1709 iNewOrder = HEADER_IndexToOrder(infoPtr, infoPtr->iHotDivider);
1710 if (iNewOrder > lpItem->iOrder)
1711 iNewOrder--;
1712 }
1713
1714 if (iNewOrder != -1 &&
1715 !HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ENDDRAG, infoPtr->iMoveItem, HDI_ORDER, iNewOrder))
1716 {
1717 HEADER_ChangeItemOrder(infoPtr, infoPtr->iMoveItem, iNewOrder);
1718 infoPtr->bRectsValid = FALSE;
1719 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1720 }
1721 else
1722 InvalidateRect(infoPtr->hwndSelf, &infoPtr->items[infoPtr->iMoveItem].rect, FALSE);
1723
1724 infoPtr->bDragging = FALSE;
1725 HEADER_SetHotDivider(infoPtr, FALSE, -1);
1726 }
1727 else
1728 {
1729 hdc = GetDC (infoPtr->hwndSelf);
1730 HEADER_RefreshItem (infoPtr, infoPtr->iMoveItem);
1731 ReleaseDC (infoPtr->hwndSelf, hdc);
1732
1733 if (!(infoPtr->dwStyle & HDS_DRAGDROP) || !HEADER_IsDragDistance(infoPtr, &pt))
1734 HEADER_SendNotifyWithHDItemT(infoPtr, HDN_ITEMCLICKW, infoPtr->iMoveItem, NULL);
1735 }
1736
1737 TRACE("Released item %d!\n", infoPtr->iMoveItem);
1738 infoPtr->bPressed = FALSE;
1739 }
1740 else if (infoPtr->bTracking) {
1741 INT iNewWidth = pt.x - infoPtr->items[infoPtr->iMoveItem].rect.left + infoPtr->xTrackOffset;
1742 if (iNewWidth < 0)
1743 iNewWidth = 0;
1744 TRACE("End tracking item %d!\n", infoPtr->iMoveItem);
1745 infoPtr->bTracking = FALSE;
1746
1747 HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ENDTRACKW, infoPtr->iMoveItem, HDI_WIDTH, iNewWidth);
1748
1749 if (!(infoPtr->dwStyle & HDS_FULLDRAG)) {
1750 hdc = GetDC (infoPtr->hwndSelf);
1751 HEADER_DrawTrackLine (infoPtr, hdc, infoPtr->xOldTrack);
1752 ReleaseDC (infoPtr->hwndSelf, hdc);
1753 }
1754
1755 if (!HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ITEMCHANGINGW, infoPtr->iMoveItem, HDI_WIDTH, iNewWidth))
1756 {
1757 infoPtr->items[infoPtr->iMoveItem].cxy = iNewWidth;
1758 HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ITEMCHANGEDW, infoPtr->iMoveItem, HDI_WIDTH, iNewWidth);
1759 }
1760
1761 HEADER_SetItemBounds (infoPtr);
1762 InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
1763 }
1764
1765 if (infoPtr->bCaptured) {
1766 infoPtr->bCaptured = FALSE;
1767 ReleaseCapture ();
1768 HEADER_SendSimpleNotify (infoPtr, NM_RELEASEDCAPTURE);
1769 }
1770
1771 return 0;
1772 }
1773
1774
1775 static LRESULT
1776 HEADER_NotifyFormat (HEADER_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
1777 {
1778 switch (lParam)
1779 {
1780 case NF_QUERY:
1781 return infoPtr->nNotifyFormat;
1782
1783 case NF_REQUERY:
1784 infoPtr->nNotifyFormat =
1785 SendMessageW ((HWND)wParam, WM_NOTIFYFORMAT,
1786 (WPARAM)infoPtr->hwndSelf, NF_QUERY);
1787 return infoPtr->nNotifyFormat;
1788 }
1789
1790 return 0;
1791 }
1792
1793 static LRESULT
1794 HEADER_MouseLeave (HEADER_INFO *infoPtr)
1795 {
1796 /* Reset hot-tracked item when mouse leaves control. */
1797 INT oldHotItem = infoPtr->iHotItem;
1798 HDC hdc = GetDC (infoPtr->hwndSelf);
1799
1800 infoPtr->iHotItem = -1;
1801 if (oldHotItem != -1) HEADER_RefreshItem (infoPtr, oldHotItem);
1802 ReleaseDC (infoPtr->hwndSelf, hdc);
1803
1804 return 0;
1805 }
1806
1807
1808 static LRESULT
1809 HEADER_MouseMove (HEADER_INFO *infoPtr, LPARAM lParam)
1810 {
1811 POINT pt;
1812 UINT flags;
1813 INT nItem, nWidth;
1814 HDC hdc;
1815 /* With theming, hottracking is always enabled */
1816 BOOL hotTrackEnabled =
1817 ((infoPtr->dwStyle & HDS_BUTTONS) && (infoPtr->dwStyle & HDS_HOTTRACK))
1818 || (GetWindowTheme (infoPtr->hwndSelf) != NULL);
1819 INT oldHotItem = infoPtr->iHotItem;
1820
1821 pt.x = (INT)(SHORT)LOWORD(lParam);
1822 pt.y = (INT)(SHORT)HIWORD(lParam);
1823 HEADER_InternalHitTest (infoPtr, &pt, &flags, &nItem);
1824
1825 if (hotTrackEnabled) {
1826 if (flags & (HHT_ONHEADER | HHT_ONDIVIDER | HHT_ONDIVOPEN))
1827 infoPtr->iHotItem = nItem;
1828 else
1829 infoPtr->iHotItem = -1;
1830 }
1831
1832 if (infoPtr->bCaptured) {
1833 /* check if we should drag the header */
1834 if (infoPtr->bPressed && !infoPtr->bDragging && (infoPtr->dwStyle & HDS_DRAGDROP)
1835 && HEADER_IsDragDistance(infoPtr, &pt))
1836 {
1837 if (!HEADER_SendNotifyWithHDItemT(infoPtr, HDN_BEGINDRAG, infoPtr->iMoveItem, NULL))
1838 {
1839 HIMAGELIST hDragItem = (HIMAGELIST)HEADER_CreateDragImage(infoPtr, infoPtr->iMoveItem);
1840 if (hDragItem != NULL)
1841 {
1842 HEADER_ITEM *lpItem = &infoPtr->items[infoPtr->iMoveItem];
1843 TRACE("Starting item drag\n");
1844 ImageList_BeginDrag(hDragItem, 0, pt.x - lpItem->rect.left, 0);
1845 ImageList_DragShowNolock(TRUE);
1846 ImageList_Destroy(hDragItem);
1847 infoPtr->bDragging = TRUE;
1848 }
1849 }
1850 }
1851
1852 if (infoPtr->bDragging)
1853 {
1854 POINT drag;
1855 drag.x = pt.x;
1856 drag.y = 0;
1857 ClientToScreen(infoPtr->hwndSelf, &drag);
1858 ImageList_DragMove(drag.x, drag.y);
1859 HEADER_SetHotDivider(infoPtr, TRUE, lParam);
1860 }
1861
1862 if (infoPtr->bPressed && !infoPtr->bDragging) {
1863 BOOL oldState = infoPtr->items[infoPtr->iMoveItem].bDown;
1864 if ((nItem == infoPtr->iMoveItem) && (flags == HHT_ONHEADER))
1865 infoPtr->items[infoPtr->iMoveItem].bDown = TRUE;
1866 else
1867 infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
1868 if (oldState != infoPtr->items[infoPtr->iMoveItem].bDown) {
1869 hdc = GetDC (infoPtr->hwndSelf);
1870 HEADER_RefreshItem (infoPtr, infoPtr->iMoveItem);
1871 ReleaseDC (infoPtr->hwndSelf, hdc);
1872 }
1873
1874 TRACE("Moving pressed item %d!\n", infoPtr->iMoveItem);
1875 }
1876 else if (infoPtr->bTracking) {
1877 if (infoPtr->dwStyle & HDS_FULLDRAG) {
1878 HEADER_ITEM *lpItem = &infoPtr->items[infoPtr->iMoveItem];
1879 nWidth = pt.x - lpItem->rect.left + infoPtr->xTrackOffset;
1880 if (!HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ITEMCHANGINGW, infoPtr->iMoveItem, HDI_WIDTH, nWidth))
1881 {
1882 INT nOldWidth = lpItem->rect.right - lpItem->rect.left;
1883 RECT rcClient;
1884 RECT rcScroll;
1885
1886 if (nWidth < 0) nWidth = 0;
1887 infoPtr->items[infoPtr->iMoveItem].cxy = nWidth;
1888 HEADER_SetItemBounds(infoPtr);
1889
1890 GetClientRect(infoPtr->hwndSelf, &rcClient);
1891 rcScroll = rcClient;
1892 rcScroll.left = lpItem->rect.left + nOldWidth;
1893 ScrollWindowEx(infoPtr->hwndSelf, nWidth - nOldWidth, 0, &rcScroll, &rcClient, NULL, NULL, 0);
1894 InvalidateRect(infoPtr->hwndSelf, &lpItem->rect, FALSE);
1895 UpdateWindow(infoPtr->hwndSelf);
1896
1897 HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ITEMCHANGEDW, infoPtr->iMoveItem, HDI_WIDTH, nWidth);
1898 }
1899 }
1900 else {
1901 INT iTrackWidth;
1902 hdc = GetDC (infoPtr->hwndSelf);
1903 HEADER_DrawTrackLine (infoPtr, hdc, infoPtr->xOldTrack);
1904 infoPtr->xOldTrack = pt.x + infoPtr->xTrackOffset;
1905 if (infoPtr->xOldTrack < infoPtr->items[infoPtr->iMoveItem].rect.left)
1906 infoPtr->xOldTrack = infoPtr->items[infoPtr->iMoveItem].rect.left;
1907 HEADER_DrawTrackLine (infoPtr, hdc, infoPtr->xOldTrack);
1908 ReleaseDC (infoPtr->hwndSelf, hdc);
1909 iTrackWidth = infoPtr->xOldTrack - infoPtr->items[infoPtr->iMoveItem].rect.left;
1910 /* FIXME: should stop tracking if HDN_TRACK returns TRUE */
1911 HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_TRACKW, infoPtr->iMoveItem, HDI_WIDTH, iTrackWidth);
1912 }
1913
1914 TRACE("Tracking item %d!\n", infoPtr->iMoveItem);
1915 }
1916 }
1917
1918 if (hotTrackEnabled) {
1919 TRACKMOUSEEVENT tme;
1920 if (oldHotItem != infoPtr->iHotItem && !infoPtr->bDragging) {
1921 hdc = GetDC (infoPtr->hwndSelf);
1922 if (oldHotItem != -1) HEADER_RefreshItem (infoPtr, oldHotItem);
1923 if (infoPtr->iHotItem != -1) HEADER_RefreshItem (infoPtr, infoPtr->iHotItem);
1924 ReleaseDC (infoPtr->hwndSelf, hdc);
1925 }
1926 tme.cbSize = sizeof( tme );
1927 tme.dwFlags = TME_LEAVE;
1928 tme.hwndTrack = infoPtr->hwndSelf;
1929 TrackMouseEvent( &tme );
1930 }
1931
1932 return 0;
1933 }
1934
1935
1936 static LRESULT
1937 HEADER_Paint (HEADER_INFO *infoPtr, HDC hdcParam)
1938 {
1939 HDC hdc;
1940 PAINTSTRUCT ps;
1941
1942 hdc = hdcParam==0 ? BeginPaint (infoPtr->hwndSelf, &ps) : hdcParam;
1943 HEADER_Refresh (infoPtr, hdc);
1944 if(!hdcParam)
1945 EndPaint (infoPtr->hwndSelf, &ps);
1946 return 0;
1947 }
1948
1949
1950 static LRESULT
1951 HEADER_RButtonUp (HEADER_INFO *infoPtr, INT x, INT y)
1952 {
1953 BOOL bRet;
1954 POINT pt;
1955
1956 pt.x = x;
1957 pt.y = y;
1958
1959 /* Send a Notify message */
1960 bRet = HEADER_SendSimpleNotify (infoPtr, NM_RCLICK);
1961
1962 /* Change to screen coordinate for WM_CONTEXTMENU */
1963 ClientToScreen(infoPtr->hwndSelf, &pt);
1964
1965 /* Send a WM_CONTEXTMENU message in response to the RBUTTONUP */
1966 SendMessageW( infoPtr->hwndSelf, WM_CONTEXTMENU, (WPARAM) infoPtr->hwndSelf, MAKELPARAM(pt.x, pt.y));
1967
1968 return bRet;
1969 }
1970
1971
1972 static LRESULT
1973 HEADER_SetCursor (HEADER_INFO *infoPtr, LPARAM lParam)
1974 {
1975 POINT pt;
1976 UINT flags;
1977 INT nItem;
1978
1979 TRACE("code=0x%X id=0x%X\n", LOWORD(lParam), HIWORD(lParam));
1980
1981 GetCursorPos (&pt);
1982 ScreenToClient (infoPtr->hwndSelf, &pt);
1983
1984 HEADER_InternalHitTest (infoPtr, &pt, &flags, &nItem);
1985
1986 if (flags == HHT_ONDIVIDER)
1987 SetCursor (infoPtr->hcurDivider);
1988 else if (flags == HHT_ONDIVOPEN)
1989 SetCursor (infoPtr->hcurDivopen);
1990 else
1991 SetCursor (infoPtr->hcurArrow);
1992
1993 return 0;
1994 }
1995
1996
1997 static LRESULT
1998 HEADER_SetFont (HEADER_INFO *infoPtr, HFONT hFont, WORD Redraw)
1999 {
2000 TEXTMETRICW tm;
2001 HFONT hOldFont;
2002 HDC hdc;
2003
2004 infoPtr->hFont = hFont;
2005
2006 hdc = GetDC (0);
2007 hOldFont = SelectObject (hdc, infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT));
2008 GetTextMetricsW (hdc, &tm);
2009 infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
2010 SelectObject (hdc, hOldFont);
2011 ReleaseDC (0, hdc);
2012
2013 infoPtr->bRectsValid = FALSE;
2014
2015 if (Redraw) {
2016 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
2017 }
2018
2019 return 0;
2020 }
2021
2022 static LRESULT HEADER_SetRedraw(HEADER_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
2023 {
2024 /* ignoring the InvalidateRect calls is handled by user32. But some apps expect
2025 * that we invalidate the header and this has to be done manually */
2026 LRESULT ret;
2027
2028 ret = DefWindowProcW(infoPtr->hwndSelf, WM_SETREDRAW, wParam, lParam);
2029 if (wParam)
2030 InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
2031 return ret;
2032 }
2033
2034 static INT HEADER_StyleChanged(HEADER_INFO *infoPtr, WPARAM wStyleType,
2035 const STYLESTRUCT *lpss)
2036 {
2037 TRACE("(styletype=%lx, styleOld=0x%08x, styleNew=0x%08x)\n",
2038 wStyleType, lpss->styleOld, lpss->styleNew);
2039
2040 if (wStyleType != GWL_STYLE) return 0;
2041
2042 infoPtr->dwStyle = lpss->styleNew;
2043
2044 return 0;
2045 }
2046
2047 /* Update the theme handle after a theme change */
2048 static LRESULT HEADER_ThemeChanged(const HEADER_INFO *infoPtr)
2049 {
2050 HTHEME theme = GetWindowTheme(infoPtr->hwndSelf);
2051 CloseThemeData(theme);
2052 OpenThemeData(infoPtr->hwndSelf, themeClass);
2053 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
2054 return 0;
2055 }
2056
2057
2058 static LRESULT WINAPI
2059 HEADER_WindowProc (HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
2060 {
2061 HEADER_INFO *infoPtr = (HEADER_INFO *)GetWindowLongPtrW(hwnd, 0);
2062
2063 TRACE("hwnd=%p msg=%x wparam=%lx lParam=%lx\n", hwnd, msg, wParam, lParam);
2064 if (!infoPtr && (msg != WM_CREATE))
2065 return DefWindowProcW (hwnd, msg, wParam, lParam);
2066 switch (msg) {
2067 /* case HDM_CLEARFILTER: */
2068
2069 case HDM_CREATEDRAGIMAGE:
2070 return HEADER_CreateDragImage (infoPtr, (INT)wParam);
2071
2072 case HDM_DELETEITEM:
2073 return HEADER_DeleteItem (infoPtr, (INT)wParam);
2074
2075 /* case HDM_EDITFILTER: */
2076
2077 case HDM_GETBITMAPMARGIN:
2078 return HEADER_GetBitmapMargin(infoPtr);
2079
2080 case HDM_GETIMAGELIST:
2081 return HEADER_GetImageList (infoPtr);
2082
2083 case HDM_GETITEMA:
2084 case HDM_GETITEMW:
2085 return HEADER_GetItemT (infoPtr, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_GETITEMW);
2086
2087 case HDM_GETITEMCOUNT:
2088 return HEADER_GetItemCount (infoPtr);
2089
2090 case HDM_GETITEMRECT:
2091 return HEADER_GetItemRect (infoPtr, (INT)wParam, (LPRECT)lParam);
2092
2093 case HDM_GETORDERARRAY:
2094 return HEADER_GetOrderArray(infoPtr, (INT)wParam, (LPINT)lParam);
2095
2096 case HDM_GETUNICODEFORMAT:
2097 return HEADER_GetUnicodeFormat (infoPtr);
2098
2099 case HDM_HITTEST:
2100 return HEADER_HitTest (infoPtr, (LPHDHITTESTINFO)lParam);
2101
2102 case HDM_INSERTITEMA:
2103 case HDM_INSERTITEMW:
2104 return HEADER_InsertItemT (infoPtr, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_INSERTITEMW);
2105
2106 case HDM_LAYOUT:
2107 return HEADER_Layout (infoPtr, (LPHDLAYOUT)lParam);
2108
2109 case HDM_ORDERTOINDEX:
2110 return HEADER_OrderToIndex(infoPtr, (INT)wParam);
2111
2112 case HDM_SETBITMAPMARGIN:
2113 return HEADER_SetBitmapMargin(infoPtr, (INT)wParam);
2114
2115 /* case HDM_SETFILTERCHANGETIMEOUT: */
2116
2117 case HDM_SETHOTDIVIDER:
2118 return HEADER_SetHotDivider(infoPtr, wParam, lParam);
2119
2120 case HDM_SETIMAGELIST:
2121 return HEADER_SetImageList (infoPtr, (HIMAGELIST)lParam);
2122
2123 case HDM_SETITEMA:
2124 case HDM_SETITEMW:
2125 return HEADER_SetItemT (infoPtr, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_SETITEMW);
2126
2127 case HDM_SETORDERARRAY:
2128 return HEADER_SetOrderArray(infoPtr, (INT)wParam, (LPINT)lParam);
2129
2130 case HDM_SETUNICODEFORMAT:
2131 return HEADER_SetUnicodeFormat (infoPtr, wParam);
2132
2133 case WM_CREATE:
2134 return HEADER_Create (hwnd, (LPCREATESTRUCTW)lParam);
2135
2136 case WM_DESTROY:
2137 return HEADER_Destroy (infoPtr);
2138
2139 case WM_NCDESTROY:
2140 return HEADER_NCDestroy (infoPtr);
2141
2142 case WM_ERASEBKGND:
2143 return 1;
2144
2145 case WM_GETDLGCODE:
2146 return DLGC_WANTTAB | DLGC_WANTARROWS;
2147
2148 case WM_GETFONT:
2149 return HEADER_GetFont (infoPtr);
2150
2151 case WM_LBUTTONDBLCLK:
2152 return HEADER_LButtonDblClk (infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam));
2153
2154 case WM_LBUTTONDOWN:
2155 return HEADER_LButtonDown (infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam));
2156
2157 case WM_LBUTTONUP:
2158 return HEADER_LButtonUp (infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam));
2159
2160 case WM_MOUSELEAVE:
2161 return HEADER_MouseLeave (infoPtr);
2162
2163 case WM_MOUSEMOVE:
2164 return HEADER_MouseMove (infoPtr, lParam);
2165
2166 case WM_NOTIFYFORMAT:
2167 return HEADER_NotifyFormat (infoPtr, wParam, lParam);
2168
2169 case WM_SIZE:
2170 return HEADER_Size (infoPtr);
2171
2172 case WM_THEMECHANGED:
2173 return HEADER_ThemeChanged (infoPtr);
2174
2175 case WM_PRINTCLIENT:
2176 case WM_PAINT:
2177 return HEADER_Paint (infoPtr, (HDC)wParam);
2178
2179 case WM_RBUTTONUP:
2180 return HEADER_RButtonUp (infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam));
2181
2182 case WM_SETCURSOR:
2183 return HEADER_SetCursor (infoPtr, lParam);
2184
2185 case WM_SETFONT:
2186 return HEADER_SetFont (infoPtr, (HFONT)wParam, (WORD)lParam);
2187
2188 case WM_SETREDRAW:
2189 return HEADER_SetRedraw(infoPtr, wParam, lParam);
2190
2191 case WM_STYLECHANGED:
2192 return HEADER_StyleChanged(infoPtr, wParam, (LPSTYLESTRUCT)lParam);
2193
2194 case WM_SYSCOLORCHANGE:
2195 COMCTL32_RefreshSysColors();
2196 return 0;
2197
2198 default:
2199 if ((msg >= WM_USER) && (msg < WM_APP) && !COMCTL32_IsReflectedMessage(msg))
2200 ERR("unknown msg %04x wp=%04lx lp=%08lx\n",
2201 msg, wParam, lParam );
2202 return DefWindowProcW(hwnd, msg, wParam, lParam);
2203 }
2204 }
2205
2206
2207 VOID
2208 HEADER_Register (void)
2209 {
2210 WNDCLASSW wndClass;
2211
2212 ZeroMemory (&wndClass, sizeof(WNDCLASSW));
2213 wndClass.style = CS_GLOBALCLASS | CS_DBLCLKS;
2214 wndClass.lpfnWndProc = HEADER_WindowProc;
2215 wndClass.cbClsExtra = 0;
2216 wndClass.cbWndExtra = sizeof(HEADER_INFO *);
2217 wndClass.hCursor = LoadCursorW (0, (LPWSTR)IDC_ARROW);
2218 wndClass.lpszClassName = WC_HEADERW;
2219
2220 RegisterClassW (&wndClass);
2221 }
2222
2223
2224 VOID
2225 HEADER_Unregister (void)
2226 {
2227 UnregisterClassW (WC_HEADERW, NULL);
2228 }
Windows API implementation