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msi: Call execute_script directly in InstallFinalize.
[wine.git] / dlls / comctl32 / header.c
blobe8dc107ca6d07b8e0b1694aadba140efd37057b6
1 /*
2 * Header control
3 *
4 * Copyright 1998 Eric Kohl
5 * Copyright 2000 Eric Kohl for CodeWeavers
6 * Copyright 2003 Maxime Bellenge
7 * Copyright 2006 Mikolaj Zalewski
8 *
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
13 *
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
18 *
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22 *
23 * TODO:
24 * - Imagelist support (completed?)
25 * - Hottrack support (completed?)
26 * - Filters support (HDS_FILTER, HDI_FILTER, HDM_*FILTER*, HDN_*FILTER*)
27 * - New Windows Vista features
28 */
29
30 #include <stdarg.h>
31 #include <stdlib.h>
32 #include <string.h>
33
34 #include "windef.h"
35 #include "winbase.h"
36 #include "wine/unicode.h"
37 #include "wingdi.h"
38 #include "winuser.h"
39 #include "winnls.h"
40 #include "commctrl.h"
41 #include "comctl32.h"
42 #include "vssym32.h"
43 #include "uxtheme.h"
44 #include "wine/debug.h"
45
46 WINE_DEFAULT_DEBUG_CHANNEL(header);
47
48 typedef struct
49 {
50 INT cxy;
51 HBITMAP hbm;
52 LPWSTR pszText;
53 INT fmt;
54 LPARAM lParam;
55 INT iImage;
56 INT iOrder; /* see documentation of HD_ITEM */
57
58 BOOL bDown; /* is item pressed? (used for drawing) */
59 RECT rect; /* bounding rectangle of the item */
60 DWORD callbackMask; /* HDI_* flags for items that are callback */
61 } HEADER_ITEM;
62
63
64 typedef struct
65 {
66 HWND hwndSelf; /* Control window */
67 HWND hwndNotify; /* Owner window to send notifications to */
68 INT nNotifyFormat; /* format used for WM_NOTIFY messages */
69 UINT uNumItem; /* number of items (columns) */
70 INT nHeight; /* height of the header (pixels) */
71 HFONT hFont; /* handle to the current font */
72 HCURSOR hcurArrow; /* handle to the arrow cursor */
73 HCURSOR hcurDivider; /* handle to a cursor (used over dividers) <-|-> */
74 HCURSOR hcurDivopen; /* handle to a cursor (used over dividers) <-||-> */
75 BOOL bCaptured; /* Is the mouse captured? */
76 BOOL bPressed; /* Is a header item pressed (down)? */
77 BOOL bDragging; /* Are we dragging an item? */
78 BOOL bTracking; /* Is in tracking mode? */
79 POINT ptLButtonDown; /* The point where the left button was pressed */
80 DWORD dwStyle; /* the cached window GWL_STYLE */
81 INT iMoveItem; /* index of tracked item. (Tracking mode) */
82 INT xTrackOffset; /* distance between the right side of the tracked item and the cursor */
83 INT xOldTrack; /* track offset (see above) after the last WM_MOUSEMOVE */
84 INT iHotItem; /* index of hot item (cursor is over this item) */
85 INT iHotDivider; /* index of the hot divider (used while dragging an item or by HDM_SETHOTDIVIDER) */
86 INT iMargin; /* width of the margin that surrounds a bitmap */
87
88 HIMAGELIST himl; /* handle to an image list (may be 0) */
89 HEADER_ITEM *items; /* pointer to array of HEADER_ITEM's */
90 INT *order; /* array of item IDs indexed by order */
91 BOOL bRectsValid; /* validity flag for bounding rectangles */
92 } HEADER_INFO;
93
94
95 #define VERT_BORDER 4
96 #define DIVIDER_WIDTH 10
97 #define HOT_DIVIDER_WIDTH 2
98 #define MAX_HEADER_TEXT_LEN 260
99 #define HDN_UNICODE_OFFSET 20
100 #define HDN_FIRST_UNICODE (HDN_FIRST-HDN_UNICODE_OFFSET)
101
102 #define HDI_SUPPORTED_FIELDS (HDI_WIDTH|HDI_TEXT|HDI_FORMAT|HDI_LPARAM|HDI_BITMAP|HDI_IMAGE|HDI_ORDER)
103 #define HDI_UNSUPPORTED_FIELDS (HDI_FILTER)
104 #define HDI_UNKNOWN_FIELDS (~(HDI_SUPPORTED_FIELDS|HDI_UNSUPPORTED_FIELDS|HDI_DI_SETITEM))
105 #define HDI_COMCTL32_4_0_FIELDS (HDI_WIDTH|HDI_TEXT|HDI_FORMAT|HDI_LPARAM|HDI_BITMAP)
106
107
108 static BOOL HEADER_PrepareCallbackItems(const HEADER_INFO *infoPtr, INT iItem, INT reqMask);
109 static void HEADER_FreeCallbackItems(HEADER_ITEM *lpItem);
110 static LRESULT HEADER_SendNotify(const HEADER_INFO *infoPtr, UINT code, NMHDR *hdr);
111 static LRESULT HEADER_SendCtrlCustomDraw(const HEADER_INFO *infoPtr, DWORD dwDrawStage, HDC hdc, const RECT *rect);
112
113 static const WCHAR themeClass[] = {'H','e','a','d','e','r',0};
114
115 static void HEADER_StoreHDItemInHeader(HEADER_ITEM *lpItem, UINT mask, const HDITEMW *phdi, BOOL fUnicode)
116 {
117 if (mask & HDI_UNSUPPORTED_FIELDS)
118 FIXME("unsupported header fields %x\n", (mask & HDI_UNSUPPORTED_FIELDS));
119
120 if (mask & HDI_BITMAP)
121 lpItem->hbm = phdi->hbm;
122
123 if (mask & HDI_FORMAT)
124 lpItem->fmt = phdi->fmt;
125
126 if (mask & HDI_LPARAM)
127 lpItem->lParam = phdi->lParam;
128
129 if (mask & HDI_WIDTH)
130 lpItem->cxy = phdi->cxy;
131
132 if (mask & HDI_IMAGE)
133 {
134 lpItem->iImage = phdi->iImage;
135 if (phdi->iImage == I_IMAGECALLBACK)
136 lpItem->callbackMask |= HDI_IMAGE;
137 else
138 lpItem->callbackMask &= ~HDI_IMAGE;
139 }
140
141 if (mask & HDI_TEXT)
142 {
143 Free(lpItem->pszText);
144 lpItem->pszText = NULL;
145
146 if (phdi->pszText != LPSTR_TEXTCALLBACKW) /* covers != TEXTCALLBACKA too */
147 {
148 static const WCHAR emptyString[] = {0};
149
150 LPCWSTR pszText = (phdi->pszText != NULL ? phdi->pszText : emptyString);
151 if (fUnicode)
152 Str_SetPtrW(&lpItem->pszText, pszText);
153 else
154 Str_SetPtrAtoW(&lpItem->pszText, (LPCSTR)pszText);
155 lpItem->callbackMask &= ~HDI_TEXT;
156 }
157 else
158 {
159 lpItem->pszText = NULL;
160 lpItem->callbackMask |= HDI_TEXT;
161 }
162 }
163 }
164
165 static inline LRESULT
166 HEADER_IndexToOrder (const HEADER_INFO *infoPtr, INT iItem)
167 {
168 HEADER_ITEM *lpItem = &infoPtr->items[iItem];
169 return lpItem->iOrder;
170 }
171
172
173 static INT
174 HEADER_OrderToIndex(const HEADER_INFO *infoPtr, INT iorder)
175 {
176 if ((iorder <0) || iorder >= infoPtr->uNumItem)
177 return iorder;
178 return infoPtr->order[iorder];
179 }
180
181 static void
182 HEADER_ChangeItemOrder(const HEADER_INFO *infoPtr, INT iItem, INT iNewOrder)
183 {
184 HEADER_ITEM *lpItem = &infoPtr->items[iItem];
185 INT i, nMin, nMax;
186
187 TRACE("%d: %d->%d\n", iItem, lpItem->iOrder, iNewOrder);
188 if (lpItem->iOrder < iNewOrder)
189 {
190 memmove(&infoPtr->order[lpItem->iOrder],
191 &infoPtr->order[lpItem->iOrder + 1],
192 (iNewOrder - lpItem->iOrder) * sizeof(INT));
193 }
194 if (iNewOrder < lpItem->iOrder)
195 {
196 memmove(&infoPtr->order[iNewOrder + 1],
197 &infoPtr->order[iNewOrder],
198 (lpItem->iOrder - iNewOrder) * sizeof(INT));
199 }
200 infoPtr->order[iNewOrder] = iItem;
201 nMin = min(lpItem->iOrder, iNewOrder);
202 nMax = max(lpItem->iOrder, iNewOrder);
203 for (i = nMin; i <= nMax; i++)
204 infoPtr->items[infoPtr->order[i]].iOrder = i;
205 }
206
207 /* Note: if iItem is the last item then this function returns infoPtr->uNumItem */
208 static INT
209 HEADER_NextItem(const HEADER_INFO *infoPtr, INT iItem)
210 {
211 return HEADER_OrderToIndex(infoPtr, HEADER_IndexToOrder(infoPtr, iItem)+1);
212 }
213
214 static INT
215 HEADER_PrevItem(const HEADER_INFO *infoPtr, INT iItem)
216 {
217 return HEADER_OrderToIndex(infoPtr, HEADER_IndexToOrder(infoPtr, iItem)-1);
218 }
219
220 /* TRUE when item is not resizable with dividers,
221 note that valid index should be supplied */
222 static inline BOOL
223 HEADER_IsItemFixed(const HEADER_INFO *infoPtr, INT iItem)
224 {
225 return (infoPtr->dwStyle & HDS_NOSIZING) || (infoPtr->items[iItem].fmt & HDF_FIXEDWIDTH);
226 }
227
228 static void
229 HEADER_SetItemBounds (HEADER_INFO *infoPtr)
230 {
231 HEADER_ITEM *phdi;
232 RECT rect;
233 unsigned int i;
234 int x;
235
236 infoPtr->bRectsValid = TRUE;
237
238 if (infoPtr->uNumItem == 0)
239 return;
240
241 GetClientRect (infoPtr->hwndSelf, &rect);
242
243 x = rect.left;
244 for (i = 0; i < infoPtr->uNumItem; i++) {
245 phdi = &infoPtr->items[HEADER_OrderToIndex(infoPtr,i)];
246 phdi->rect.top = rect.top;
247 phdi->rect.bottom = rect.bottom;
248 phdi->rect.left = x;
249 phdi->rect.right = phdi->rect.left + ((phdi->cxy>0)?phdi->cxy:0);
250 x = phdi->rect.right;
251 }
252 }
253
254 static LRESULT
255 HEADER_Size (HEADER_INFO *infoPtr)
256 {
257 HEADER_SetItemBounds(infoPtr);
258 return 0;
259 }
260
261 static void HEADER_GetHotDividerRect(const HEADER_INFO *infoPtr, RECT *r)
262 {
263 INT iDivider = infoPtr->iHotDivider;
264 if (infoPtr->uNumItem > 0)
265 {
266 HEADER_ITEM *lpItem;
267
268 if (iDivider < infoPtr->uNumItem)
269 {
270 lpItem = &infoPtr->items[iDivider];
271 r->left = lpItem->rect.left - HOT_DIVIDER_WIDTH/2;
272 r->right = lpItem->rect.left + HOT_DIVIDER_WIDTH/2;
273 }
274 else
275 {
276 lpItem = &infoPtr->items[HEADER_OrderToIndex(infoPtr, infoPtr->uNumItem-1)];
277 r->left = lpItem->rect.right - HOT_DIVIDER_WIDTH/2;
278 r->right = lpItem->rect.right + HOT_DIVIDER_WIDTH/2;
279 }
280 r->top = lpItem->rect.top;
281 r->bottom = lpItem->rect.bottom;
282 }
283 else
284 {
285 RECT clientRect;
286 GetClientRect(infoPtr->hwndSelf, &clientRect);
287 *r = clientRect;
288 r->right = r->left + HOT_DIVIDER_WIDTH/2;
289 }
290 }
291
292 static void
293 HEADER_FillItemFrame(HEADER_INFO *infoPtr, HDC hdc, RECT *r, const HEADER_ITEM *item, BOOL hottrack)
294 {
295 HTHEME theme = GetWindowTheme (infoPtr->hwndSelf);
296
297 if (theme) {
298 int state = (item->bDown) ? HIS_PRESSED : (hottrack ? HIS_HOT : HIS_NORMAL);
299 DrawThemeBackground (theme, hdc, HP_HEADERITEM, state, r, NULL);
300 GetThemeBackgroundContentRect (theme, hdc, HP_HEADERITEM, state, r, r);
301 }
302 else
303 {
304 HBRUSH hbr = CreateSolidBrush(GetBkColor(hdc));
305 FillRect(hdc, r, hbr);
306 DeleteObject(hbr);
307 }
308 }
309
310 static void
311 HEADER_DrawItemFrame(HEADER_INFO *infoPtr, HDC hdc, RECT *r, const HEADER_ITEM *item)
312 {
313 if (GetWindowTheme(infoPtr->hwndSelf)) return;
314
315 if (!(infoPtr->dwStyle & HDS_FLAT))
316 {
317 if (infoPtr->dwStyle & HDS_BUTTONS) {
318 if (item->bDown)
319 DrawEdge (hdc, r, BDR_RAISEDOUTER, BF_RECT | BF_FLAT | BF_ADJUST);
320 else
321 DrawEdge (hdc, r, EDGE_RAISED, BF_RECT | BF_SOFT | BF_ADJUST);
322 }
323 else
324 DrawEdge (hdc, r, EDGE_ETCHED, BF_BOTTOM | BF_RIGHT | BF_ADJUST);
325 }
326 }
327
328 static INT
329 HEADER_DrawItem (HEADER_INFO *infoPtr, HDC hdc, INT iItem, BOOL bHotTrack, LRESULT lCDFlags)
330 {
331 HEADER_ITEM *phdi = &infoPtr->items[iItem];
332 RECT r;
333 INT oldBkMode;
334 HTHEME theme = GetWindowTheme (infoPtr->hwndSelf);
335 NMCUSTOMDRAW nmcd;
336
337 TRACE("DrawItem(iItem %d bHotTrack %d unicode flag %d)\n", iItem, bHotTrack, (infoPtr->nNotifyFormat == NFR_UNICODE));
338
339 r = phdi->rect;
340 if (r.right - r.left == 0)
341 return phdi->rect.right;
342
343 /* Set the colors before sending NM_CUSTOMDRAW so that it can change them */
344 SetTextColor(hdc, (bHotTrack && !theme) ? COLOR_HIGHLIGHT : COLOR_BTNTEXT);
345 SetBkColor(hdc, comctl32_color.clr3dFace);
346
347 if (lCDFlags & CDRF_NOTIFYITEMDRAW && !(phdi->fmt & HDF_OWNERDRAW))
348 {
349 LRESULT lCDItemFlags;
350
351 nmcd.dwDrawStage = CDDS_PREPAINT | CDDS_ITEM;
352 nmcd.hdc = hdc;
353 nmcd.dwItemSpec = iItem;
354 nmcd.rc = r;
355 nmcd.uItemState = phdi->bDown ? CDIS_SELECTED : 0;
356 nmcd.lItemlParam = phdi->lParam;
357
358 lCDItemFlags = HEADER_SendNotify(infoPtr, NM_CUSTOMDRAW, (NMHDR *)&nmcd);
359 if (lCDItemFlags & CDRF_SKIPDEFAULT)
360 return phdi->rect.right;
361 }
362
363 /* Fill background, owner could draw over it. */
364 HEADER_FillItemFrame(infoPtr, hdc, &r, phdi, bHotTrack);
365
366 if (phdi->fmt & HDF_OWNERDRAW)
367 {
368 DRAWITEMSTRUCT dis;
369 BOOL ret;
370
371 dis.CtlType = ODT_HEADER;
372 dis.CtlID = GetWindowLongPtrW (infoPtr->hwndSelf, GWLP_ID);
373 dis.itemID = iItem;
374 dis.itemAction = ODA_DRAWENTIRE;
375 dis.itemState = phdi->bDown ? ODS_SELECTED : 0;
376 dis.hwndItem = infoPtr->hwndSelf;
377 dis.hDC = hdc;
378 dis.rcItem = phdi->rect;
379 dis.itemData = phdi->lParam;
380 oldBkMode = SetBkMode(hdc, TRANSPARENT);
381 ret = SendMessageW (infoPtr->hwndNotify, WM_DRAWITEM, dis.CtlID, (LPARAM)&dis);
382 if (oldBkMode != TRANSPARENT)
383 SetBkMode(hdc, oldBkMode);
384
385 if (!ret)
386 HEADER_FillItemFrame(infoPtr, hdc, &r, phdi, bHotTrack);
387
388 /* Edges are always drawn if we don't have attached theme. */
389 HEADER_DrawItemFrame(infoPtr, hdc, &r, phdi);
390 /* If application processed WM_DRAWITEM we should skip label painting,
391 edges are drawn no matter what. */
392 if (ret) return phdi->rect.right;
393 }
394 else
395 {
396 HEADER_FillItemFrame(infoPtr, hdc, &r, phdi, bHotTrack);
397 HEADER_DrawItemFrame(infoPtr, hdc, &r, phdi);
398 }
399
400 if (phdi->bDown) {
401 r.left += 2;
402 r.top += 2;
403 }
404
405 /* Now text and image */
406 {
407 UINT rw, rh, /* width and height of r */
408 *x = NULL, *w = NULL; /* x and width of the pic (bmp or img) which is part of cnt */
409 /* cnt,txt,img,bmp */
410 UINT cx, tx, ix, bx,
411 cw, tw, iw, bw;
412 INT img_cx, img_cy;
413 BITMAP bmp;
414
415 HEADER_PrepareCallbackItems(infoPtr, iItem, HDI_TEXT|HDI_IMAGE);
416 cw = tw = iw = bw = 0;
417 rw = r.right - r.left;
418 rh = r.bottom - r.top;
419
420 if (phdi->fmt & HDF_STRING) {
421 RECT textRect;
422
423 SetRectEmpty(&textRect);
424 DrawTextW (hdc, phdi->pszText, -1,
425 &textRect, DT_LEFT|DT_VCENTER|DT_SINGLELINE|DT_CALCRECT);
426 cw = textRect.right - textRect.left + 2 * infoPtr->iMargin;
427 }
428
429 if ((phdi->fmt & HDF_IMAGE) && ImageList_GetIconSize( infoPtr->himl, &img_cx, &img_cy )) {
430 iw = img_cx + 2 * infoPtr->iMargin;
431 x = &ix;
432 w = &iw;
433 }
434
435 if ((phdi->fmt & HDF_BITMAP) && (phdi->hbm)) {
436 GetObjectW (phdi->hbm, sizeof(BITMAP), &bmp);
437 bw = bmp.bmWidth + 2 * infoPtr->iMargin;
438 if (!iw) {
439 x = &bx;
440 w = &bw;
441 }
442 }
443
444 if (bw || iw)
445 cw += *w;
446
447 /* align cx using the unclipped cw */
448 if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_LEFT)
449 cx = r.left;
450 else if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_CENTER)
451 cx = r.left + rw / 2 - cw / 2;
452 else /* HDF_RIGHT */
453 cx = r.right - cw;
454
455 /* clip cx & cw */
456 if (cx < r.left)
457 cx = r.left;
458 if (cx + cw > r.right)
459 cw = r.right - cx;
460
461 tx = cx + infoPtr->iMargin;
462 /* since cw might have changed we have to recalculate tw */
463 tw = cw - infoPtr->iMargin * 2;
464
465 if (iw || bw) {
466 tw -= *w;
467 if (phdi->fmt & HDF_BITMAP_ON_RIGHT) {
468 /* put pic behind text */
469 *x = cx + tw + infoPtr->iMargin * 3;
470 } else {
471 *x = cx + infoPtr->iMargin;
472 /* move text behind pic */
473 tx += *w;
474 }
475 }
476
477 if (iw && bw) {
478 /* since we're done with the layout we can
479 now calculate the position of bmp which
480 has no influence on alignment and layout
481 because of img */
482 if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_RIGHT)
483 bx = cx - bw + infoPtr->iMargin;
484 else
485 bx = cx + cw + infoPtr->iMargin;
486 }
487
488 if (iw || bw) {
489 HDC hClipDC = GetDC(infoPtr->hwndSelf);
490 HRGN hClipRgn = CreateRectRgn(r.left, r.top, r.right, r.bottom);
491 SelectClipRgn(hClipDC, hClipRgn);
492
493 if (bw) {
494 HDC hdcBitmap = CreateCompatibleDC (hClipDC);
495 SelectObject (hdcBitmap, phdi->hbm);
496 BitBlt (hClipDC, bx, r.top + ((INT)rh - bmp.bmHeight) / 2,
497 bmp.bmWidth, bmp.bmHeight, hdcBitmap, 0, 0, SRCCOPY);
498 DeleteDC (hdcBitmap);
499 }
500
501 if (iw) {
502 ImageList_DrawEx (infoPtr->himl, phdi->iImage, hClipDC,
503 ix, r.top + ((INT)rh - img_cy) / 2,
504 img_cx, img_cy, CLR_DEFAULT, CLR_DEFAULT, 0);
505 }
506
507 DeleteObject(hClipRgn);
508 ReleaseDC(infoPtr->hwndSelf, hClipDC);
509 }
510
511 if (((phdi->fmt & HDF_STRING)
512 || (!(phdi->fmt & (HDF_OWNERDRAW|HDF_STRING|HDF_BITMAP|
513 HDF_BITMAP_ON_RIGHT|HDF_IMAGE)))) /* no explicit format specified? */
514 && (phdi->pszText)) {
515 oldBkMode = SetBkMode(hdc, TRANSPARENT);
516 r.left = tx;
517 r.right = tx + tw;
518 DrawTextW (hdc, phdi->pszText, -1,
519 &r, DT_LEFT|DT_END_ELLIPSIS|DT_VCENTER|DT_SINGLELINE);
520 if (oldBkMode != TRANSPARENT)
521 SetBkMode(hdc, oldBkMode);
522 }
523 HEADER_FreeCallbackItems(phdi);
524 }
525
526 return phdi->rect.right;
527 }
528
529 static void
530 HEADER_DrawHotDivider(const HEADER_INFO *infoPtr, HDC hdc)
531 {
532 HBRUSH brush;
533 RECT r;
534
535 HEADER_GetHotDividerRect(infoPtr, &r);
536 brush = CreateSolidBrush(comctl32_color.clrHighlight);
537 FillRect(hdc, &r, brush);
538 DeleteObject(brush);
539 }
540
541 static void
542 HEADER_Refresh (HEADER_INFO *infoPtr, HDC hdc)
543 {
544 HFONT hFont, hOldFont;
545 RECT rect, rcRest;
546 HBRUSH hbrBk;
547 UINT i;
548 INT x;
549 LRESULT lCDFlags;
550 HTHEME theme = GetWindowTheme (infoPtr->hwndSelf);
551
552 if (!infoPtr->bRectsValid)
553 HEADER_SetItemBounds(infoPtr);
554
555 /* get rect for the bar, adjusted for the border */
556 GetClientRect (infoPtr->hwndSelf, &rect);
557 lCDFlags = HEADER_SendCtrlCustomDraw(infoPtr, CDDS_PREPAINT, hdc, &rect);
558
559 if (infoPtr->bDragging)
560 ImageList_DragShowNolock(FALSE);
561
562 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT);
563 hOldFont = SelectObject (hdc, hFont);
564
565 /* draw Background */
566 if (infoPtr->uNumItem == 0 && theme == NULL) {
567 hbrBk = GetSysColorBrush(COLOR_3DFACE);
568 FillRect(hdc, &rect, hbrBk);
569 }
570
571 x = rect.left;
572 for (i = 0; x <= rect.right && i < infoPtr->uNumItem; i++) {
573 int idx = HEADER_OrderToIndex(infoPtr,i);
574 if (RectVisible(hdc, &infoPtr->items[idx].rect))
575 HEADER_DrawItem(infoPtr, hdc, idx, infoPtr->iHotItem == idx, lCDFlags);
576 x = infoPtr->items[idx].rect.right;
577 }
578
579 rcRest = rect;
580 rcRest.left = x;
581 if ((x <= rect.right) && RectVisible(hdc, &rcRest) && (infoPtr->uNumItem > 0)) {
582 if (theme != NULL) {
583 DrawThemeBackground(theme, hdc, HP_HEADERITEM, HIS_NORMAL, &rcRest, NULL);
584 }
585 else if (infoPtr->dwStyle & HDS_FLAT) {
586 hbrBk = GetSysColorBrush(COLOR_3DFACE);
587 FillRect(hdc, &rcRest, hbrBk);
588 }
589 else
590 {
591 if (infoPtr->dwStyle & HDS_BUTTONS)
592 DrawEdge (hdc, &rcRest, EDGE_RAISED, BF_TOP|BF_LEFT|BF_BOTTOM|BF_SOFT|BF_MIDDLE);
593 else
594 DrawEdge (hdc, &rcRest, EDGE_ETCHED, BF_BOTTOM|BF_MIDDLE);
595 }
596 }
597
598 if (infoPtr->iHotDivider != -1)
599 HEADER_DrawHotDivider(infoPtr, hdc);
600
601 if (infoPtr->bDragging)
602 ImageList_DragShowNolock(TRUE);
603 SelectObject (hdc, hOldFont);
604
605 if (lCDFlags & CDRF_NOTIFYPOSTPAINT)
606 HEADER_SendCtrlCustomDraw(infoPtr, CDDS_POSTPAINT, hdc, &rect);
607 }
608
609
610 static void
611 HEADER_RefreshItem (HEADER_INFO *infoPtr, INT iItem)
612 {
613 if (!infoPtr->bRectsValid)
614 HEADER_SetItemBounds(infoPtr);
615
616 InvalidateRect(infoPtr->hwndSelf, &infoPtr->items[iItem].rect, FALSE);
617 }
618
619
620 static void
621 HEADER_InternalHitTest (const HEADER_INFO *infoPtr, const POINT *lpPt, UINT *pFlags, INT *pItem)
622 {
623 RECT rect, rcTest;
624 UINT iCount;
625 INT width;
626 BOOL bNoWidth;
627
628 GetClientRect (infoPtr->hwndSelf, &rect);
629
630 *pFlags = 0;
631 bNoWidth = FALSE;
632 if (PtInRect (&rect, *lpPt))
633 {
634 if (infoPtr->uNumItem == 0) {
635 *pFlags |= HHT_NOWHERE;
636 *pItem = 1;
637 TRACE("NOWHERE\n");
638 return;
639 }
640 else {
641 /* somewhere inside */
642 for (iCount = 0; iCount < infoPtr->uNumItem; iCount++) {
643 rect = infoPtr->items[iCount].rect;
644 width = rect.right - rect.left;
645 if (width == 0) {
646 bNoWidth = TRUE;
647 continue;
648 }
649 if (PtInRect (&rect, *lpPt)) {
650 if (width <= 2 * DIVIDER_WIDTH) {
651 *pFlags |= HHT_ONHEADER;
652 *pItem = iCount;
653 TRACE("ON HEADER %d\n", iCount);
654 return;
655 }
656 if (HEADER_IndexToOrder(infoPtr, iCount) > 0) {
657 rcTest = rect;
658 rcTest.right = rcTest.left + DIVIDER_WIDTH;
659 if (PtInRect (&rcTest, *lpPt)) {
660 if (HEADER_IsItemFixed(infoPtr, HEADER_PrevItem(infoPtr, iCount)))
661 {
662 *pFlags |= HHT_ONHEADER;
663 *pItem = iCount;
664 TRACE("ON HEADER %d\n", *pItem);
665 return;
666 }
667 if (bNoWidth) {
668 *pFlags |= HHT_ONDIVOPEN;
669 *pItem = HEADER_PrevItem(infoPtr, iCount);
670 TRACE("ON DIVOPEN %d\n", *pItem);
671 return;
672 }
673 else {
674 *pFlags |= HHT_ONDIVIDER;
675 *pItem = HEADER_PrevItem(infoPtr, iCount);
676 TRACE("ON DIVIDER %d\n", *pItem);
677 return;
678 }
679 }
680 }
681 rcTest = rect;
682 rcTest.left = rcTest.right - DIVIDER_WIDTH;
683 if (!HEADER_IsItemFixed(infoPtr, iCount) && PtInRect (&rcTest, *lpPt))
684 {
685 *pFlags |= HHT_ONDIVIDER;
686 *pItem = iCount;
687 TRACE("ON DIVIDER %d\n", *pItem);
688 return;
689 }
690
691 *pFlags |= HHT_ONHEADER;
692 *pItem = iCount;
693 TRACE("ON HEADER %d\n", iCount);
694 return;
695 }
696 }
697
698 /* check for last divider part (on nowhere) */
699 if (!HEADER_IsItemFixed(infoPtr, infoPtr->uNumItem - 1))
700 {
701 rect = infoPtr->items[infoPtr->uNumItem-1].rect;
702 rect.left = rect.right;
703 rect.right += DIVIDER_WIDTH;
704 if (PtInRect (&rect, *lpPt)) {
705 if (bNoWidth) {
706 *pFlags |= HHT_ONDIVOPEN;
707 *pItem = infoPtr->uNumItem - 1;
708 TRACE("ON DIVOPEN %d\n", *pItem);
709 return;
710 }
711 else {
712 *pFlags |= HHT_ONDIVIDER;
713 *pItem = infoPtr->uNumItem - 1;
714 TRACE("ON DIVIDER %d\n", *pItem);
715 return;
716 }
717 }
718 }
719
720 *pFlags |= HHT_NOWHERE;
721 *pItem = 1;
722 TRACE("NOWHERE\n");
723 return;
724 }
725 }
726 else {
727 if (lpPt->x < rect.left) {
728 TRACE("TO LEFT\n");
729 *pFlags |= HHT_TOLEFT;
730 }
731 else if (lpPt->x > rect.right) {
732 TRACE("TO RIGHT\n");
733 *pFlags |= HHT_TORIGHT;
734 }
735
736 if (lpPt->y < rect.top) {
737 TRACE("ABOVE\n");
738 *pFlags |= HHT_ABOVE;
739 }
740 else if (lpPt->y > rect.bottom) {
741 TRACE("BELOW\n");
742 *pFlags |= HHT_BELOW;
743 }
744 }
745
746 *pItem = 1;
747 TRACE("flags=0x%X\n", *pFlags);
748 return;
749 }
750
751
752 static void
753 HEADER_DrawTrackLine (const HEADER_INFO *infoPtr, HDC hdc, INT x)
754 {
755 RECT rect;
756
757 GetClientRect (infoPtr->hwndSelf, &rect);
758 PatBlt( hdc, x, rect.top, 1, rect.bottom - rect.top, DSTINVERT );
759 }
760
761 /***
762 * DESCRIPTION:
763 * Convert a HDITEM into the correct format (ANSI/Unicode) to send it in a notify
764 *
765 * PARAMETER(S):
766 * [I] infoPtr : the header that wants to send the notify
767 * [O] dest : The buffer to store the HDITEM for notify. It may be set to a HDITEMA of HDITEMW
768 * [I] src : The source HDITEM. It may be a HDITEMA or HDITEMW
769 * [I] fSourceUnicode : is src a HDITEMW or HDITEMA
770 * [O] ppvScratch : a pointer to a scratch buffer that needs to be freed after
771 * the HDITEM is no longer in use or NULL if none was needed
772 *
773 * NOTE: We depend on HDITEMA and HDITEMW having the same structure
774 */
775 static void HEADER_CopyHDItemForNotify(const HEADER_INFO *infoPtr, HDITEMW *dest,
776 const HDITEMW *src, BOOL fSourceUnicode, LPVOID *ppvScratch)
777 {
778 *ppvScratch = NULL;
779 *dest = *src;
780
781 if (src->mask & HDI_TEXT && src->pszText != LPSTR_TEXTCALLBACKW) /* covers TEXTCALLBACKA as well */
782 {
783 if (fSourceUnicode && infoPtr->nNotifyFormat != NFR_UNICODE)
784 {
785 dest->pszText = NULL;
786 Str_SetPtrWtoA((LPSTR *)&dest->pszText, src->pszText);
787 *ppvScratch = dest->pszText;
788 }
789
790 if (!fSourceUnicode && infoPtr->nNotifyFormat == NFR_UNICODE)
791 {
792 dest->pszText = NULL;
793 Str_SetPtrAtoW(&dest->pszText, (LPSTR)src->pszText);
794 *ppvScratch = dest->pszText;
795 }
796 }
797 }
798
799 static UINT HEADER_NotifyCodeWtoA(UINT code)
800 {
801 /* we use the fact that all the unicode messages are in HDN_FIRST_UNICODE..HDN_LAST*/
802 if (code >= HDN_LAST && code <= HDN_FIRST_UNICODE)
803 return code + HDN_UNICODE_OFFSET;
804 else
805 return code;
806 }
807
808 static LRESULT
809 HEADER_SendNotify(const HEADER_INFO *infoPtr, UINT code, NMHDR *nmhdr)
810 {
811 nmhdr->hwndFrom = infoPtr->hwndSelf;
812 nmhdr->idFrom = GetWindowLongPtrW (infoPtr->hwndSelf, GWLP_ID);
813 nmhdr->code = code;
814
815 return SendMessageW(infoPtr->hwndNotify, WM_NOTIFY,
816 nmhdr->idFrom, (LPARAM)nmhdr);
817 }
818
819 static BOOL
820 HEADER_SendSimpleNotify (const HEADER_INFO *infoPtr, UINT code)
821 {
822 NMHDR nmhdr;
823 return (BOOL)HEADER_SendNotify(infoPtr, code, &nmhdr);
824 }
825
826 static LRESULT
827 HEADER_SendCtrlCustomDraw(const HEADER_INFO *infoPtr, DWORD dwDrawStage, HDC hdc, const RECT *rect)
828 {
829 NMCUSTOMDRAW nm;
830 nm.dwDrawStage = dwDrawStage;
831 nm.hdc = hdc;
832 nm.rc = *rect;
833 nm.dwItemSpec = 0;
834 nm.uItemState = 0;
835 nm.lItemlParam = 0;
836
837 return HEADER_SendNotify(infoPtr, NM_CUSTOMDRAW, (NMHDR *)&nm);
838 }
839
840 static BOOL
841 HEADER_SendNotifyWithHDItemT(const HEADER_INFO *infoPtr, UINT code, INT iItem, HDITEMW *lpItem)
842 {
843 NMHEADERW nmhdr;
844
845 if (infoPtr->nNotifyFormat != NFR_UNICODE)
846 code = HEADER_NotifyCodeWtoA(code);
847 nmhdr.iItem = iItem;
848 nmhdr.iButton = 0;
849 nmhdr.pitem = lpItem;
850
851 return (BOOL)HEADER_SendNotify(infoPtr, code, (NMHDR *)&nmhdr);
852 }
853
854 static BOOL
855 HEADER_SendNotifyWithIntFieldT(const HEADER_INFO *infoPtr, UINT code, INT iItem, INT mask, INT iValue)
856 {
857 HDITEMW nmitem;
858
859 /* copying only the iValue should be ok but to make the code more robust we copy everything */
860 nmitem.cxy = infoPtr->items[iItem].cxy;
861 nmitem.hbm = infoPtr->items[iItem].hbm;
862 nmitem.pszText = NULL;
863 nmitem.cchTextMax = 0;
864 nmitem.fmt = infoPtr->items[iItem].fmt;
865 nmitem.lParam = infoPtr->items[iItem].lParam;
866 nmitem.iOrder = infoPtr->items[iItem].iOrder;
867 nmitem.iImage = infoPtr->items[iItem].iImage;
868
869 nmitem.mask = mask;
870 switch (mask)
871 {
872 case HDI_WIDTH:
873 nmitem.cxy = iValue;
874 break;
875 case HDI_ORDER:
876 nmitem.iOrder = iValue;
877 break;
878 default:
879 ERR("invalid mask value 0x%x\n", iValue);
880 }
881
882 return HEADER_SendNotifyWithHDItemT(infoPtr, code, iItem, &nmitem);
883 }
884
885 /**
886 * Prepare callback items
887 * depends on NMHDDISPINFOW having same structure as NMHDDISPINFOA
888 * (so we handle the two cases only doing a specific cast for pszText).
889 * Checks if any of the required fields is a callback. If this is the case sends a
890 * NMHDISPINFO notify to retrieve these items. The items are stored in the
891 * HEADER_ITEM pszText and iImage fields. They should be freed with
892 * HEADER_FreeCallbackItems.
893 *
894 * @param hwnd : hwnd header container handler
895 * @param iItem : the header item id
896 * @param reqMask : required fields. If any of them is callback this function will fetch it
897 *
898 * @return TRUE on success, else FALSE
899 */
900 static BOOL
901 HEADER_PrepareCallbackItems(const HEADER_INFO *infoPtr, INT iItem, INT reqMask)
902 {
903 HEADER_ITEM *lpItem = &infoPtr->items[iItem];
904 DWORD mask = reqMask & lpItem->callbackMask;
905 NMHDDISPINFOW dispInfo;
906 void *pvBuffer = NULL;
907
908 if (mask == 0)
909 return TRUE;
910 if (mask&HDI_TEXT && lpItem->pszText != NULL)
911 {
912 ERR("(): function called without a call to FreeCallbackItems\n");
913 Free(lpItem->pszText);
914 lpItem->pszText = NULL;
915 }
916
917 memset(&dispInfo, 0, sizeof(NMHDDISPINFOW));
918 dispInfo.hdr.hwndFrom = infoPtr->hwndSelf;
919 dispInfo.hdr.idFrom = GetWindowLongPtrW (infoPtr->hwndSelf, GWLP_ID);
920 if (infoPtr->nNotifyFormat == NFR_UNICODE)
921 {
922 dispInfo.hdr.code = HDN_GETDISPINFOW;
923 if (mask & HDI_TEXT)
924 pvBuffer = Alloc(MAX_HEADER_TEXT_LEN * sizeof(WCHAR));
925 }
926 else
927 {
928 dispInfo.hdr.code = HDN_GETDISPINFOA;
929 if (mask & HDI_TEXT)
930 pvBuffer = Alloc(MAX_HEADER_TEXT_LEN * sizeof(CHAR));
931 }
932 dispInfo.pszText = pvBuffer;
933 dispInfo.cchTextMax = (pvBuffer!=NULL?MAX_HEADER_TEXT_LEN:0);
934 dispInfo.iItem = iItem;
935 dispInfo.mask = mask;
936 dispInfo.lParam = lpItem->lParam;
937
938 TRACE("Sending HDN_GETDISPINFO%c\n", infoPtr->nNotifyFormat == NFR_UNICODE?'W':'A');
939 SendMessageW(infoPtr->hwndNotify, WM_NOTIFY, dispInfo.hdr.idFrom, (LPARAM)&dispInfo);
940
941 TRACE("SendMessage returns(mask:0x%x,str:%s,lParam:%p)\n",
942 dispInfo.mask,
943 (infoPtr->nNotifyFormat == NFR_UNICODE ? debugstr_w(dispInfo.pszText) : (LPSTR) dispInfo.pszText),
944 (void*) dispInfo.lParam);
945
946 if (mask & HDI_IMAGE)
947 lpItem->iImage = dispInfo.iImage;
948 if (mask & HDI_TEXT)
949 {
950 if (infoPtr->nNotifyFormat == NFR_UNICODE)
951 {
952 lpItem->pszText = pvBuffer;
953
954 /* the user might have used his own buffer */
955 if (dispInfo.pszText != lpItem->pszText)
956 Str_GetPtrW(dispInfo.pszText, lpItem->pszText, MAX_HEADER_TEXT_LEN);
957 }
958 else
959 {
960 Str_SetPtrAtoW(&lpItem->pszText, (LPSTR)dispInfo.pszText);
961 Free(pvBuffer);
962 }
963 }
964
965 if (dispInfo.mask & HDI_DI_SETITEM)
966 {
967 /* make the items permanent */
968 lpItem->callbackMask &= ~dispInfo.mask;
969 }
970
971 return TRUE;
972 }
973
974 /***
975 * DESCRIPTION:
976 * Free the items that might be allocated with HEADER_PrepareCallbackItems
977 *
978 * PARAMETER(S):
979 * [I] lpItem : the item to free the data
980 *
981 */
982 static void
983 HEADER_FreeCallbackItems(HEADER_ITEM *lpItem)
984 {
985 if (lpItem->callbackMask&HDI_TEXT)
986 {
987 Free(lpItem->pszText);
988 lpItem->pszText = NULL;
989 }
990
991 if (lpItem->callbackMask&HDI_IMAGE)
992 lpItem->iImage = I_IMAGECALLBACK;
993 }
994
995 static LRESULT
996 HEADER_CreateDragImage (HEADER_INFO *infoPtr, INT iItem)
997 {
998 HEADER_ITEM *lpItem;
999 HIMAGELIST himl;
1000 HBITMAP hMemory, hOldBitmap;
1001 LRESULT lCDFlags;
1002 RECT rc;
1003 HDC hMemoryDC;
1004 HDC hDeviceDC;
1005 int height, width;
1006 HFONT hFont;
1007
1008 if (iItem >= infoPtr->uNumItem)
1009 return FALSE;
1010
1011 if (!infoPtr->bRectsValid)
1012 HEADER_SetItemBounds(infoPtr);
1013
1014 lpItem = &infoPtr->items[iItem];
1015 width = lpItem->rect.right - lpItem->rect.left;
1016 height = lpItem->rect.bottom - lpItem->rect.top;
1017
1018 hDeviceDC = GetDC(NULL);
1019 hMemoryDC = CreateCompatibleDC(hDeviceDC);
1020 hMemory = CreateCompatibleBitmap(hDeviceDC, width, height);
1021 ReleaseDC(NULL, hDeviceDC);
1022 hOldBitmap = SelectObject(hMemoryDC, hMemory);
1023 SetViewportOrgEx(hMemoryDC, -lpItem->rect.left, -lpItem->rect.top, NULL);
1024 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject(SYSTEM_FONT);
1025 SelectObject(hMemoryDC, hFont);
1026
1027 GetClientRect(infoPtr->hwndSelf, &rc);
1028 lCDFlags = HEADER_SendCtrlCustomDraw(infoPtr, CDDS_PREPAINT, hMemoryDC, &rc);
1029 HEADER_DrawItem(infoPtr, hMemoryDC, iItem, FALSE, lCDFlags);
1030 if (lCDFlags & CDRF_NOTIFYPOSTPAINT)
1031 HEADER_SendCtrlCustomDraw(infoPtr, CDDS_POSTPAINT, hMemoryDC, &rc);
1032
1033 hMemory = SelectObject(hMemoryDC, hOldBitmap);
1034 DeleteDC(hMemoryDC);
1035
1036 if (hMemory == NULL) /* if anything failed */
1037 return FALSE;
1038
1039 himl = ImageList_Create(width, height, ILC_COLORDDB, 1, 1);
1040 ImageList_Add(himl, hMemory, NULL);
1041 DeleteObject(hMemory);
1042 return (LRESULT)himl;
1043 }
1044
1045 static LRESULT
1046 HEADER_SetHotDivider(HEADER_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
1047 {
1048 INT iDivider;
1049 RECT r;
1050
1051 if (wParam)
1052 {
1053 POINT pt;
1054 UINT flags;
1055 pt.x = (INT)(SHORT)LOWORD(lParam);
1056 pt.y = 0;
1057 HEADER_InternalHitTest (infoPtr, &pt, &flags, &iDivider);
1058
1059 if (flags & HHT_TOLEFT)
1060 iDivider = 0;
1061 else if (flags & HHT_NOWHERE || flags & HHT_TORIGHT)
1062 iDivider = infoPtr->uNumItem;
1063 else
1064 {
1065 HEADER_ITEM *lpItem = &infoPtr->items[iDivider];
1066 if (pt.x > (lpItem->rect.left+lpItem->rect.right)/2)
1067 iDivider = HEADER_NextItem(infoPtr, iDivider);
1068 }
1069 }
1070 else
1071 iDivider = (INT)lParam;
1072
1073 /* Note; wParam==FALSE, lParam==-1 is valid and is used to clear the hot divider */
1074 if (iDivider<-1 || iDivider>(int)infoPtr->uNumItem)
1075 return iDivider;
1076
1077 if (iDivider != infoPtr->iHotDivider)
1078 {
1079 if (infoPtr->iHotDivider != -1)
1080 {
1081 HEADER_GetHotDividerRect(infoPtr, &r);
1082 InvalidateRect(infoPtr->hwndSelf, &r, FALSE);
1083 }
1084 infoPtr->iHotDivider = iDivider;
1085 if (iDivider != -1)
1086 {
1087 HEADER_GetHotDividerRect(infoPtr, &r);
1088 InvalidateRect(infoPtr->hwndSelf, &r, FALSE);
1089 }
1090 }
1091 return iDivider;
1092 }
1093
1094 static LRESULT
1095 HEADER_DeleteItem (HEADER_INFO *infoPtr, INT iItem)
1096 {
1097 INT iOrder;
1098 UINT i;
1099
1100 TRACE("[iItem=%d]\n", iItem);
1101
1102 if ((iItem < 0) || (iItem >= (INT)infoPtr->uNumItem))
1103 return FALSE;
1104
1105 for (i = 0; i < infoPtr->uNumItem; i++)
1106 TRACE("%d: order=%d, iOrder=%d, ->iOrder=%d\n", i, infoPtr->order[i], infoPtr->items[i].iOrder, infoPtr->items[infoPtr->order[i]].iOrder);
1107
1108 iOrder = infoPtr->items[iItem].iOrder;
1109 Free(infoPtr->items[iItem].pszText);
1110
1111 infoPtr->uNumItem--;
1112 memmove(&infoPtr->items[iItem], &infoPtr->items[iItem + 1],
1113 (infoPtr->uNumItem - iItem) * sizeof(HEADER_ITEM));
1114 memmove(&infoPtr->order[iOrder], &infoPtr->order[iOrder + 1],
1115 (infoPtr->uNumItem - iOrder) * sizeof(INT));
1116 infoPtr->items = ReAlloc(infoPtr->items, sizeof(HEADER_ITEM) * infoPtr->uNumItem);
1117 infoPtr->order = ReAlloc(infoPtr->order, sizeof(INT) * infoPtr->uNumItem);
1118
1119 /* Correct the orders */
1120 for (i = 0; i < infoPtr->uNumItem; i++)
1121 {
1122 if (infoPtr->order[i] > iItem)
1123 infoPtr->order[i]--;
1124 if (i >= iOrder)
1125 infoPtr->items[infoPtr->order[i]].iOrder = i;
1126 }
1127 for (i = 0; i < infoPtr->uNumItem; i++)
1128 TRACE("%d: order=%d, iOrder=%d, ->iOrder=%d\n", i, infoPtr->order[i], infoPtr->items[i].iOrder, infoPtr->items[infoPtr->order[i]].iOrder);
1129
1130 HEADER_SetItemBounds (infoPtr);
1131 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1132
1133 return TRUE;
1134 }
1135
1136
1137 static LRESULT
1138 HEADER_GetImageList (const HEADER_INFO *infoPtr)
1139 {
1140 return (LRESULT)infoPtr->himl;
1141 }
1142
1143
1144 static LRESULT
1145 HEADER_GetItemT (const HEADER_INFO *infoPtr, INT nItem, LPHDITEMW phdi, BOOL bUnicode)
1146 {
1147 HEADER_ITEM *lpItem;
1148 UINT mask;
1149
1150 if (!phdi)
1151 return FALSE;
1152
1153 TRACE("[nItem=%d]\n", nItem);
1154
1155 mask = phdi->mask;
1156 if (mask == 0)
1157 return TRUE;
1158
1159 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
1160 return FALSE;
1161
1162 if (mask & HDI_UNKNOWN_FIELDS)
1163 {
1164 TRACE("mask %x contains unknown fields. Using only comctl32 4.0 fields\n", mask);
1165 mask &= HDI_COMCTL32_4_0_FIELDS;
1166 }
1167
1168 lpItem = &infoPtr->items[nItem];
1169 HEADER_PrepareCallbackItems(infoPtr, nItem, mask);
1170
1171 if (mask & HDI_BITMAP)
1172 phdi->hbm = lpItem->hbm;
1173
1174 if (mask & HDI_FORMAT)
1175 phdi->fmt = lpItem->fmt;
1176
1177 if (mask & HDI_WIDTH)
1178 phdi->cxy = lpItem->cxy;
1179
1180 if (mask & HDI_LPARAM)
1181 phdi->lParam = lpItem->lParam;
1182
1183 if (mask & HDI_IMAGE)
1184 phdi->iImage = lpItem->iImage;
1185
1186 if (mask & HDI_ORDER)
1187 phdi->iOrder = lpItem->iOrder;
1188
1189 if (mask & HDI_TEXT)
1190 {
1191 if (bUnicode)
1192 Str_GetPtrW (lpItem->pszText, phdi->pszText, phdi->cchTextMax);
1193 else
1194 Str_GetPtrWtoA (lpItem->pszText, (LPSTR)phdi->pszText, phdi->cchTextMax);
1195 }
1196
1197 HEADER_FreeCallbackItems(lpItem);
1198 return TRUE;
1199 }
1200
1201
1202 static inline LRESULT
1203 HEADER_GetItemCount (const HEADER_INFO *infoPtr)
1204 {
1205 return infoPtr->uNumItem;
1206 }
1207
1208
1209 static LRESULT
1210 HEADER_GetItemRect (const HEADER_INFO *infoPtr, INT iItem, LPRECT lpRect)
1211 {
1212 if ((iItem < 0) || (iItem >= (INT)infoPtr->uNumItem))
1213 return FALSE;
1214
1215 lpRect->left = infoPtr->items[iItem].rect.left;
1216 lpRect->right = infoPtr->items[iItem].rect.right;
1217 lpRect->top = infoPtr->items[iItem].rect.top;
1218 lpRect->bottom = infoPtr->items[iItem].rect.bottom;
1219
1220 return TRUE;
1221 }
1222
1223
1224 static LRESULT
1225 HEADER_GetOrderArray(const HEADER_INFO *infoPtr, INT size, LPINT order)
1226 {
1227 if ((UINT)size <infoPtr->uNumItem)
1228 return FALSE;
1229
1230 memcpy(order, infoPtr->order, infoPtr->uNumItem * sizeof(INT));
1231 return TRUE;
1232 }
1233
1234 /* Returns index of first duplicate 'value' from [0,to) range,
1235 or -1 if there isn't any */
1236 static INT has_duplicate(const INT *array, INT to, INT value)
1237 {
1238 INT i;
1239 for(i = 0; i < to; i++)
1240 if (array[i] == value) return i;
1241 return -1;
1242 }
1243
1244 /* returns next available value from [0,max] not to duplicate in [0,to) */
1245 static INT get_nextvalue(const INT *array, INT to, INT max)
1246 {
1247 INT i;
1248 for(i = 0; i < max; i++)
1249 if (has_duplicate(array, to, i) == -1) return i;
1250 return 0;
1251 }
1252
1253 static LRESULT
1254 HEADER_SetOrderArray(HEADER_INFO *infoPtr, INT size, const INT *order)
1255 {
1256 HEADER_ITEM *lpItem;
1257 INT i;
1258
1259 if ((UINT)size != infoPtr->uNumItem)
1260 return FALSE;
1261
1262 if (TRACE_ON(header))
1263 {
1264 TRACE("count=%d, order array={", size);
1265 for (i = 0; i < size; i++)
1266 TRACE("%d%c", order[i], i != size-1 ? ',' : '}');
1267 TRACE("\n");
1268 }
1269
1270 for (i=0; i<size; i++)
1271 {
1272 if (order[i] >= size || order[i] < 0)
1273 /* on invalid index get next available */
1274 /* FIXME: if i==0 array item is out of range behaviour is
1275 different, see tests */
1276 infoPtr->order[i] = get_nextvalue(infoPtr->order, i, size);
1277 else
1278 {
1279 INT j, dup;
1280
1281 infoPtr->order[i] = order[i];
1282 j = i;
1283 /* remove duplicates */
1284 while ((dup = has_duplicate(infoPtr->order, j, order[j])) != -1)
1285 {
1286 INT next;
1287
1288 next = get_nextvalue(infoPtr->order, j, size);
1289 infoPtr->order[dup] = next;
1290 j--;
1291 }
1292 }
1293 }
1294 /* sync with item data */
1295 for (i=0; i<size; i++)
1296 {
1297 lpItem = &infoPtr->items[infoPtr->order[i]];
1298 lpItem->iOrder = i;
1299 }
1300 HEADER_SetItemBounds(infoPtr);
1301 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1302 return TRUE;
1303 }
1304
1305 static inline LRESULT
1306 HEADER_GetUnicodeFormat (const HEADER_INFO *infoPtr)
1307 {
1308 return (infoPtr->nNotifyFormat == NFR_UNICODE);
1309 }
1310
1311
1312 static LRESULT
1313 HEADER_HitTest (const HEADER_INFO *infoPtr, LPHDHITTESTINFO phti)
1314 {
1315 UINT outside = HHT_NOWHERE | HHT_ABOVE | HHT_BELOW | HHT_TOLEFT | HHT_TORIGHT;
1316
1317 HEADER_InternalHitTest (infoPtr, &phti->pt, &phti->flags, &phti->iItem);
1318
1319 if (phti->flags & outside)
1320 return phti->iItem = -1;
1321 else
1322 return phti->iItem;
1323 }
1324
1325
1326 static LRESULT
1327 HEADER_InsertItemT (HEADER_INFO *infoPtr, INT nItem, const HDITEMW *phdi, BOOL bUnicode)
1328 {
1329 HEADER_ITEM *lpItem;
1330 INT iOrder;
1331 UINT i;
1332 UINT copyMask;
1333
1334 if ((phdi == NULL) || (nItem < 0) || (phdi->mask == 0))
1335 return -1;
1336
1337 if (nItem > infoPtr->uNumItem)
1338 nItem = infoPtr->uNumItem;
1339
1340 iOrder = (phdi->mask & HDI_ORDER) ? phdi->iOrder : nItem;
1341 if (iOrder < 0)
1342 iOrder = 0;
1343 else if (infoPtr->uNumItem < iOrder)
1344 iOrder = infoPtr->uNumItem;
1345
1346 infoPtr->uNumItem++;
1347 infoPtr->items = ReAlloc(infoPtr->items, sizeof(HEADER_ITEM) * infoPtr->uNumItem);
1348 infoPtr->order = ReAlloc(infoPtr->order, sizeof(INT) * infoPtr->uNumItem);
1349
1350 /* make space for the new item */
1351 memmove(&infoPtr->items[nItem + 1], &infoPtr->items[nItem],
1352 (infoPtr->uNumItem - nItem - 1) * sizeof(HEADER_ITEM));
1353 memmove(&infoPtr->order[iOrder + 1], &infoPtr->order[iOrder],
1354 (infoPtr->uNumItem - iOrder - 1) * sizeof(INT));
1355
1356 /* update the order array */
1357 infoPtr->order[iOrder] = nItem;
1358 for (i = 0; i < infoPtr->uNumItem; i++)
1359 {
1360 if (i != iOrder && infoPtr->order[i] >= nItem)
1361 infoPtr->order[i]++;
1362 infoPtr->items[infoPtr->order[i]].iOrder = i;
1363 }
1364
1365 lpItem = &infoPtr->items[nItem];
1366 ZeroMemory(lpItem, sizeof(HEADER_ITEM));
1367 /* cxy, fmt and lParam are copied even if not in the HDITEM mask */
1368 copyMask = phdi->mask | HDI_WIDTH | HDI_FORMAT | HDI_LPARAM;
1369 HEADER_StoreHDItemInHeader(lpItem, copyMask, phdi, bUnicode);
1370 lpItem->iOrder = iOrder;
1371
1372 /* set automatically some format bits */
1373 if (phdi->mask & HDI_TEXT)
1374 lpItem->fmt |= HDF_STRING;
1375 else
1376 lpItem->fmt &= ~HDF_STRING;
1377
1378 if (lpItem->hbm != NULL)
1379 lpItem->fmt |= HDF_BITMAP;
1380 else
1381 lpItem->fmt &= ~HDF_BITMAP;
1382
1383 if (phdi->mask & HDI_IMAGE)
1384 lpItem->fmt |= HDF_IMAGE;
1385
1386 HEADER_SetItemBounds (infoPtr);
1387 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1388
1389 return nItem;
1390 }
1391
1392
1393 static LRESULT
1394 HEADER_Layout (HEADER_INFO *infoPtr, LPHDLAYOUT lpLayout)
1395 {
1396 lpLayout->pwpos->hwnd = infoPtr->hwndSelf;
1397 lpLayout->pwpos->hwndInsertAfter = 0;
1398 lpLayout->pwpos->x = lpLayout->prc->left;
1399 lpLayout->pwpos->y = lpLayout->prc->top;
1400 lpLayout->pwpos->cx = lpLayout->prc->right - lpLayout->prc->left;
1401 if (infoPtr->dwStyle & HDS_HIDDEN)
1402 lpLayout->pwpos->cy = 0;
1403 else {
1404 lpLayout->pwpos->cy = infoPtr->nHeight;
1405 lpLayout->prc->top += infoPtr->nHeight;
1406 }
1407 lpLayout->pwpos->flags = SWP_NOZORDER;
1408
1409 TRACE("Layout x=%d y=%d cx=%d cy=%d\n",
1410 lpLayout->pwpos->x, lpLayout->pwpos->y,
1411 lpLayout->pwpos->cx, lpLayout->pwpos->cy);
1412
1413 infoPtr->bRectsValid = FALSE;
1414
1415 return TRUE;
1416 }
1417
1418
1419 static LRESULT
1420 HEADER_SetImageList (HEADER_INFO *infoPtr, HIMAGELIST himl)
1421 {
1422 HIMAGELIST himlOld;
1423
1424 TRACE("(himl %p)\n", himl);
1425 himlOld = infoPtr->himl;
1426 infoPtr->himl = himl;
1427
1428 /* FIXME: Refresh needed??? */
1429
1430 return (LRESULT)himlOld;
1431 }
1432
1433
1434 static LRESULT
1435 HEADER_GetBitmapMargin(const HEADER_INFO *infoPtr)
1436 {
1437 return infoPtr->iMargin;
1438 }
1439
1440 static LRESULT
1441 HEADER_SetBitmapMargin(HEADER_INFO *infoPtr, INT iMargin)
1442 {
1443 INT oldMargin = infoPtr->iMargin;
1444
1445 infoPtr->iMargin = iMargin;
1446
1447 return oldMargin;
1448 }
1449
1450 static LRESULT
1451 HEADER_SetItemT (HEADER_INFO *infoPtr, INT nItem, const HDITEMW *phdi, BOOL bUnicode)
1452 {
1453 HEADER_ITEM *lpItem;
1454 HDITEMW hdNotify;
1455 void *pvScratch;
1456
1457 if (phdi == NULL)
1458 return FALSE;
1459 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
1460 return FALSE;
1461
1462 TRACE("[nItem=%d]\n", nItem);
1463
1464 HEADER_CopyHDItemForNotify(infoPtr, &hdNotify, phdi, bUnicode, &pvScratch);
1465 if (HEADER_SendNotifyWithHDItemT(infoPtr, HDN_ITEMCHANGINGW, nItem, &hdNotify))
1466 {
1467 Free(pvScratch);
1468 return FALSE;
1469 }
1470
1471 lpItem = &infoPtr->items[nItem];
1472 HEADER_StoreHDItemInHeader(lpItem, phdi->mask, phdi, bUnicode);
1473
1474 if (phdi->mask & HDI_ORDER)
1475 if (phdi->iOrder >= 0 && phdi->iOrder < infoPtr->uNumItem)
1476 HEADER_ChangeItemOrder(infoPtr, nItem, phdi->iOrder);
1477
1478 HEADER_SendNotifyWithHDItemT(infoPtr, HDN_ITEMCHANGEDW, nItem, &hdNotify);
1479
1480 HEADER_SetItemBounds (infoPtr);
1481
1482 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1483
1484 Free(pvScratch);
1485 return TRUE;
1486 }
1487
1488 static inline LRESULT
1489 HEADER_SetUnicodeFormat (HEADER_INFO *infoPtr, WPARAM wParam)
1490 {
1491 BOOL bTemp = (infoPtr->nNotifyFormat == NFR_UNICODE);
1492
1493 infoPtr->nNotifyFormat = ((BOOL)wParam ? NFR_UNICODE : NFR_ANSI);
1494
1495 return bTemp;
1496 }
1497
1498
1499 static LRESULT
1500 HEADER_Create (HWND hwnd, const CREATESTRUCTW *lpcs)
1501 {
1502 HEADER_INFO *infoPtr;
1503 TEXTMETRICW tm;
1504 HFONT hOldFont;
1505 HDC hdc;
1506
1507 infoPtr = Alloc (sizeof(HEADER_INFO));
1508 SetWindowLongPtrW (hwnd, 0, (DWORD_PTR)infoPtr);
1509
1510 infoPtr->hwndSelf = hwnd;
1511 infoPtr->hwndNotify = lpcs->hwndParent;
1512 infoPtr->uNumItem = 0;
1513 infoPtr->hFont = 0;
1514 infoPtr->items = 0;
1515 infoPtr->order = 0;
1516 infoPtr->bRectsValid = FALSE;
1517 infoPtr->hcurArrow = LoadCursorW (0, (LPWSTR)IDC_ARROW);
1518 infoPtr->hcurDivider = LoadCursorW (COMCTL32_hModule, MAKEINTRESOURCEW(IDC_DIVIDER));
1519 infoPtr->hcurDivopen = LoadCursorW (COMCTL32_hModule, MAKEINTRESOURCEW(IDC_DIVIDEROPEN));
1520 infoPtr->bPressed = FALSE;
1521 infoPtr->bTracking = FALSE;
1522 infoPtr->dwStyle = lpcs->style;
1523 infoPtr->iMoveItem = 0;
1524 infoPtr->himl = 0;
1525 infoPtr->iHotItem = -1;
1526 infoPtr->iHotDivider = -1;
1527 infoPtr->iMargin = 3*GetSystemMetrics(SM_CXEDGE);
1528 infoPtr->nNotifyFormat =
1529 SendMessageW (infoPtr->hwndNotify, WM_NOTIFYFORMAT, (WPARAM)hwnd, NF_QUERY);
1530
1531 hdc = GetDC (0);
1532 hOldFont = SelectObject (hdc, GetStockObject (SYSTEM_FONT));
1533 GetTextMetricsW (hdc, &tm);
1534 infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
1535 SelectObject (hdc, hOldFont);
1536 ReleaseDC (0, hdc);
1537
1538 OpenThemeData(hwnd, themeClass);
1539
1540 return 0;
1541 }
1542
1543
1544 static LRESULT
1545 HEADER_Destroy (HEADER_INFO *infoPtr)
1546 {
1547 HTHEME theme = GetWindowTheme(infoPtr->hwndSelf);
1548 CloseThemeData(theme);
1549 return 0;
1550 }
1551
1552 static LRESULT
1553 HEADER_NCDestroy (HEADER_INFO *infoPtr)
1554 {
1555 HEADER_ITEM *lpItem;
1556 INT nItem;
1557
1558 if (infoPtr->items) {
1559 lpItem = infoPtr->items;
1560 for (nItem = 0; nItem < infoPtr->uNumItem; nItem++, lpItem++) {
1561 Free(lpItem->pszText);
1562 }
1563 Free (infoPtr->items);
1564 }
1565
1566 Free(infoPtr->order);
1567
1568 SetWindowLongPtrW (infoPtr->hwndSelf, 0, 0);
1569 Free (infoPtr);
1570
1571 return 0;
1572 }
1573
1574
1575 static inline LRESULT
1576 HEADER_GetFont (const HEADER_INFO *infoPtr)
1577 {
1578 return (LRESULT)infoPtr->hFont;
1579 }
1580
1581
1582 static BOOL
1583 HEADER_IsDragDistance(const HEADER_INFO *infoPtr, const POINT *pt)
1584 {
1585 /* Windows allows for a mouse movement before starting the drag. We use the
1586 * SM_CXDOUBLECLICK/SM_CYDOUBLECLICK as that distance.
1587 */
1588 return (abs(infoPtr->ptLButtonDown.x - pt->x)>GetSystemMetrics(SM_CXDOUBLECLK) ||
1589 abs(infoPtr->ptLButtonDown.y - pt->y)>GetSystemMetrics(SM_CYDOUBLECLK));
1590 }
1591
1592 static LRESULT
1593 HEADER_LButtonDblClk (const HEADER_INFO *infoPtr, INT x, INT y)
1594 {
1595 POINT pt;
1596 UINT flags;
1597 INT nItem;
1598
1599 pt.x = x;
1600 pt.y = y;
1601 HEADER_InternalHitTest (infoPtr, &pt, &flags, &nItem);
1602
1603 if ((infoPtr->dwStyle & HDS_BUTTONS) && (flags == HHT_ONHEADER))
1604 HEADER_SendNotifyWithHDItemT(infoPtr, HDN_ITEMDBLCLICKW, nItem, NULL);
1605 else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN))
1606 HEADER_SendNotifyWithHDItemT(infoPtr, HDN_DIVIDERDBLCLICKW, nItem, NULL);
1607
1608 return 0;
1609 }
1610
1611
1612 static LRESULT
1613 HEADER_LButtonDown (HEADER_INFO *infoPtr, INT x, INT y)
1614 {
1615 POINT pt;
1616 UINT flags;
1617 INT nItem;
1618 HDC hdc;
1619
1620 pt.x = x;
1621 pt.y = y;
1622 HEADER_InternalHitTest (infoPtr, &pt, &flags, &nItem);
1623
1624 if ((infoPtr->dwStyle & HDS_BUTTONS) && (flags == HHT_ONHEADER)) {
1625 SetCapture (infoPtr->hwndSelf);
1626 infoPtr->bCaptured = TRUE;
1627 infoPtr->bPressed = TRUE;
1628 infoPtr->bDragging = FALSE;
1629 infoPtr->iMoveItem = nItem;
1630 infoPtr->ptLButtonDown = pt;
1631
1632 infoPtr->items[nItem].bDown = TRUE;
1633
1634 /* Send WM_CUSTOMDRAW */
1635 hdc = GetDC (infoPtr->hwndSelf);
1636 HEADER_RefreshItem (infoPtr, nItem);
1637 ReleaseDC (infoPtr->hwndSelf, hdc);
1638
1639 TRACE("Pressed item %d!\n", nItem);
1640 }
1641 else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN)) {
1642 INT iCurrWidth = infoPtr->items[nItem].cxy;
1643 if (!HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_BEGINTRACKW, nItem, HDI_WIDTH, iCurrWidth))
1644 {
1645 SetCapture (infoPtr->hwndSelf);
1646 infoPtr->bCaptured = TRUE;
1647 infoPtr->bTracking = TRUE;
1648 infoPtr->iMoveItem = nItem;
1649 infoPtr->xTrackOffset = infoPtr->items[nItem].rect.right - pt.x;
1650
1651 if (!(infoPtr->dwStyle & HDS_FULLDRAG)) {
1652 infoPtr->xOldTrack = infoPtr->items[nItem].rect.right;
1653 hdc = GetDC (infoPtr->hwndSelf);
1654 HEADER_DrawTrackLine (infoPtr, hdc, infoPtr->xOldTrack);
1655 ReleaseDC (infoPtr->hwndSelf, hdc);
1656 }
1657
1658 TRACE("Begin tracking item %d!\n", nItem);
1659 }
1660 }
1661
1662 return 0;
1663 }
1664
1665
1666 static LRESULT
1667 HEADER_LButtonUp (HEADER_INFO *infoPtr, INT x, INT y)
1668 {
1669 POINT pt;
1670 UINT flags;
1671 INT nItem;
1672 HDC hdc;
1673
1674 pt.x = x;
1675 pt.y = y;
1676 HEADER_InternalHitTest (infoPtr, &pt, &flags, &nItem);
1677
1678 if (infoPtr->bPressed) {
1679
1680 infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
1681
1682 if (infoPtr->bDragging)
1683 {
1684 HEADER_ITEM *lpItem = &infoPtr->items[infoPtr->iMoveItem];
1685 INT iNewOrder;
1686
1687 ImageList_DragShowNolock(FALSE);
1688 ImageList_EndDrag();
1689
1690 if (infoPtr->iHotDivider == -1)
1691 iNewOrder = -1;
1692 else if (infoPtr->iHotDivider == infoPtr->uNumItem)
1693 iNewOrder = infoPtr->uNumItem-1;
1694 else
1695 {
1696 iNewOrder = HEADER_IndexToOrder(infoPtr, infoPtr->iHotDivider);
1697 if (iNewOrder > lpItem->iOrder)
1698 iNewOrder--;
1699 }
1700
1701 if (iNewOrder != -1 &&
1702 !HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ENDDRAG, infoPtr->iMoveItem, HDI_ORDER, iNewOrder))
1703 {
1704 HEADER_ChangeItemOrder(infoPtr, infoPtr->iMoveItem, iNewOrder);
1705 infoPtr->bRectsValid = FALSE;
1706 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1707 }
1708 else
1709 InvalidateRect(infoPtr->hwndSelf, &infoPtr->items[infoPtr->iMoveItem].rect, FALSE);
1710
1711 infoPtr->bDragging = FALSE;
1712 HEADER_SetHotDivider(infoPtr, FALSE, -1);
1713 }
1714 else
1715 {
1716 hdc = GetDC (infoPtr->hwndSelf);
1717 HEADER_RefreshItem (infoPtr, infoPtr->iMoveItem);
1718 ReleaseDC (infoPtr->hwndSelf, hdc);
1719
1720 if (!(infoPtr->dwStyle & HDS_DRAGDROP) || !HEADER_IsDragDistance(infoPtr, &pt))
1721 HEADER_SendNotifyWithHDItemT(infoPtr, HDN_ITEMCLICKW, infoPtr->iMoveItem, NULL);
1722 }
1723
1724 TRACE("Released item %d!\n", infoPtr->iMoveItem);
1725 infoPtr->bPressed = FALSE;
1726 }
1727 else if (infoPtr->bTracking) {
1728 INT iNewWidth = pt.x - infoPtr->items[infoPtr->iMoveItem].rect.left + infoPtr->xTrackOffset;
1729 if (iNewWidth < 0)
1730 iNewWidth = 0;
1731 TRACE("End tracking item %d!\n", infoPtr->iMoveItem);
1732 infoPtr->bTracking = FALSE;
1733
1734 HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ENDTRACKW, infoPtr->iMoveItem, HDI_WIDTH, iNewWidth);
1735
1736 if (!(infoPtr->dwStyle & HDS_FULLDRAG)) {
1737 hdc = GetDC (infoPtr->hwndSelf);
1738 HEADER_DrawTrackLine (infoPtr, hdc, infoPtr->xOldTrack);
1739 ReleaseDC (infoPtr->hwndSelf, hdc);
1740 }
1741
1742 if (!HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ITEMCHANGINGW, infoPtr->iMoveItem, HDI_WIDTH, iNewWidth))
1743 {
1744 infoPtr->items[infoPtr->iMoveItem].cxy = iNewWidth;
1745 HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ITEMCHANGEDW, infoPtr->iMoveItem, HDI_WIDTH, iNewWidth);
1746 }
1747
1748 HEADER_SetItemBounds (infoPtr);
1749 InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
1750 }
1751
1752 if (infoPtr->bCaptured) {
1753 infoPtr->bCaptured = FALSE;
1754 ReleaseCapture ();
1755 HEADER_SendSimpleNotify (infoPtr, NM_RELEASEDCAPTURE);
1756 }
1757
1758 return 0;
1759 }
1760
1761
1762 static LRESULT
1763 HEADER_NotifyFormat (HEADER_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
1764 {
1765 switch (lParam)
1766 {
1767 case NF_QUERY:
1768 return infoPtr->nNotifyFormat;
1769
1770 case NF_REQUERY:
1771 infoPtr->nNotifyFormat =
1772 SendMessageW ((HWND)wParam, WM_NOTIFYFORMAT,
1773 (WPARAM)infoPtr->hwndSelf, NF_QUERY);
1774 return infoPtr->nNotifyFormat;
1775 }
1776
1777 return 0;
1778 }
1779
1780 static LRESULT
1781 HEADER_MouseLeave (HEADER_INFO *infoPtr)
1782 {
1783 /* Reset hot-tracked item when mouse leaves control. */
1784 INT oldHotItem = infoPtr->iHotItem;
1785 HDC hdc = GetDC (infoPtr->hwndSelf);
1786
1787 infoPtr->iHotItem = -1;
1788 if (oldHotItem != -1) HEADER_RefreshItem (infoPtr, oldHotItem);
1789 ReleaseDC (infoPtr->hwndSelf, hdc);
1790
1791 return 0;
1792 }
1793
1794
1795 static LRESULT
1796 HEADER_MouseMove (HEADER_INFO *infoPtr, LPARAM lParam)
1797 {
1798 POINT pt;
1799 UINT flags;
1800 INT nItem, nWidth;
1801 HDC hdc;
1802 /* With theming, hottracking is always enabled */
1803 BOOL hotTrackEnabled =
1804 ((infoPtr->dwStyle & HDS_BUTTONS) && (infoPtr->dwStyle & HDS_HOTTRACK))
1805 || (GetWindowTheme (infoPtr->hwndSelf) != NULL);
1806 INT oldHotItem = infoPtr->iHotItem;
1807
1808 pt.x = (INT)(SHORT)LOWORD(lParam);
1809 pt.y = (INT)(SHORT)HIWORD(lParam);
1810 HEADER_InternalHitTest (infoPtr, &pt, &flags, &nItem);
1811
1812 if (hotTrackEnabled) {
1813 if (flags & (HHT_ONHEADER | HHT_ONDIVIDER | HHT_ONDIVOPEN))
1814 infoPtr->iHotItem = nItem;
1815 else
1816 infoPtr->iHotItem = -1;
1817 }
1818
1819 if (infoPtr->bCaptured) {
1820 /* check if we should drag the header */
1821 if (infoPtr->bPressed && !infoPtr->bDragging && (infoPtr->dwStyle & HDS_DRAGDROP)
1822 && HEADER_IsDragDistance(infoPtr, &pt))
1823 {
1824 if (!HEADER_SendNotifyWithHDItemT(infoPtr, HDN_BEGINDRAG, infoPtr->iMoveItem, NULL))
1825 {
1826 HIMAGELIST hDragItem = (HIMAGELIST)HEADER_CreateDragImage(infoPtr, infoPtr->iMoveItem);
1827 if (hDragItem != NULL)
1828 {
1829 HEADER_ITEM *lpItem = &infoPtr->items[infoPtr->iMoveItem];
1830 TRACE("Starting item drag\n");
1831 ImageList_BeginDrag(hDragItem, 0, pt.x - lpItem->rect.left, 0);
1832 ImageList_DragShowNolock(TRUE);
1833 ImageList_Destroy(hDragItem);
1834 infoPtr->bDragging = TRUE;
1835 }
1836 }
1837 }
1838
1839 if (infoPtr->bDragging)
1840 {
1841 POINT drag;
1842 drag.x = pt.x;
1843 drag.y = 0;
1844 ClientToScreen(infoPtr->hwndSelf, &drag);
1845 ImageList_DragMove(drag.x, drag.y);
1846 HEADER_SetHotDivider(infoPtr, TRUE, lParam);
1847 }
1848
1849 if (infoPtr->bPressed && !infoPtr->bDragging) {
1850 BOOL oldState = infoPtr->items[infoPtr->iMoveItem].bDown;
1851 if ((nItem == infoPtr->iMoveItem) && (flags == HHT_ONHEADER))
1852 infoPtr->items[infoPtr->iMoveItem].bDown = TRUE;
1853 else
1854 infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
1855 if (oldState != infoPtr->items[infoPtr->iMoveItem].bDown) {
1856 hdc = GetDC (infoPtr->hwndSelf);
1857 HEADER_RefreshItem (infoPtr, infoPtr->iMoveItem);
1858 ReleaseDC (infoPtr->hwndSelf, hdc);
1859 }
1860
1861 TRACE("Moving pressed item %d!\n", infoPtr->iMoveItem);
1862 }
1863 else if (infoPtr->bTracking) {
1864 if (infoPtr->dwStyle & HDS_FULLDRAG) {
1865 HEADER_ITEM *lpItem = &infoPtr->items[infoPtr->iMoveItem];
1866 nWidth = pt.x - lpItem->rect.left + infoPtr->xTrackOffset;
1867 if (!HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ITEMCHANGINGW, infoPtr->iMoveItem, HDI_WIDTH, nWidth))
1868 {
1869 INT nOldWidth = lpItem->rect.right - lpItem->rect.left;
1870 RECT rcClient;
1871 RECT rcScroll;
1872
1873 if (nWidth < 0) nWidth = 0;
1874 infoPtr->items[infoPtr->iMoveItem].cxy = nWidth;
1875 HEADER_SetItemBounds(infoPtr);
1876
1877 GetClientRect(infoPtr->hwndSelf, &rcClient);
1878 rcScroll = rcClient;
1879 rcScroll.left = lpItem->rect.left + nOldWidth;
1880 ScrollWindowEx(infoPtr->hwndSelf, nWidth - nOldWidth, 0, &rcScroll, &rcClient, NULL, NULL, 0);
1881 InvalidateRect(infoPtr->hwndSelf, &lpItem->rect, FALSE);
1882 UpdateWindow(infoPtr->hwndSelf);
1883
1884 HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ITEMCHANGEDW, infoPtr->iMoveItem, HDI_WIDTH, nWidth);
1885 }
1886 }
1887 else {
1888 INT iTrackWidth;
1889 hdc = GetDC (infoPtr->hwndSelf);
1890 HEADER_DrawTrackLine (infoPtr, hdc, infoPtr->xOldTrack);
1891 infoPtr->xOldTrack = pt.x + infoPtr->xTrackOffset;
1892 if (infoPtr->xOldTrack < infoPtr->items[infoPtr->iMoveItem].rect.left)
1893 infoPtr->xOldTrack = infoPtr->items[infoPtr->iMoveItem].rect.left;
1894 HEADER_DrawTrackLine (infoPtr, hdc, infoPtr->xOldTrack);
1895 ReleaseDC (infoPtr->hwndSelf, hdc);
1896 iTrackWidth = infoPtr->xOldTrack - infoPtr->items[infoPtr->iMoveItem].rect.left;
1897 /* FIXME: should stop tracking if HDN_TRACK returns TRUE */
1898 HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_TRACKW, infoPtr->iMoveItem, HDI_WIDTH, iTrackWidth);
1899 }
1900
1901 TRACE("Tracking item %d!\n", infoPtr->iMoveItem);
1902 }
1903 }
1904
1905 if (hotTrackEnabled) {
1906 TRACKMOUSEEVENT tme;
1907 if (oldHotItem != infoPtr->iHotItem && !infoPtr->bDragging) {
1908 hdc = GetDC (infoPtr->hwndSelf);
1909 if (oldHotItem != -1) HEADER_RefreshItem (infoPtr, oldHotItem);
1910 if (infoPtr->iHotItem != -1) HEADER_RefreshItem (infoPtr, infoPtr->iHotItem);
1911 ReleaseDC (infoPtr->hwndSelf, hdc);
1912 }
1913 tme.cbSize = sizeof( tme );
1914 tme.dwFlags = TME_LEAVE;
1915 tme.hwndTrack = infoPtr->hwndSelf;
1916 TrackMouseEvent( &tme );
1917 }
1918
1919 return 0;
1920 }
1921
1922
1923 static LRESULT
1924 HEADER_Paint (HEADER_INFO *infoPtr, HDC hdcParam)
1925 {
1926 HDC hdc;
1927 PAINTSTRUCT ps;
1928
1929 hdc = hdcParam==0 ? BeginPaint (infoPtr->hwndSelf, &ps) : hdcParam;
1930 HEADER_Refresh (infoPtr, hdc);
1931 if(!hdcParam)
1932 EndPaint (infoPtr->hwndSelf, &ps);
1933 return 0;
1934 }
1935
1936
1937 static LRESULT
1938 HEADER_RButtonUp (HEADER_INFO *infoPtr, INT x, INT y)
1939 {
1940 BOOL bRet;
1941 POINT pt;
1942
1943 pt.x = x;
1944 pt.y = y;
1945
1946 /* Send a Notify message */
1947 bRet = HEADER_SendSimpleNotify (infoPtr, NM_RCLICK);
1948
1949 /* Change to screen coordinate for WM_CONTEXTMENU */
1950 ClientToScreen(infoPtr->hwndSelf, &pt);
1951
1952 /* Send a WM_CONTEXTMENU message in response to the RBUTTONUP */
1953 SendMessageW( infoPtr->hwndSelf, WM_CONTEXTMENU, (WPARAM) infoPtr->hwndSelf, MAKELPARAM(pt.x, pt.y));
1954
1955 return bRet;
1956 }
1957
1958
1959 static LRESULT
1960 HEADER_SetCursor (HEADER_INFO *infoPtr, LPARAM lParam)
1961 {
1962 POINT pt;
1963 UINT flags;
1964 INT nItem;
1965
1966 TRACE("code=0x%X id=0x%X\n", LOWORD(lParam), HIWORD(lParam));
1967
1968 GetCursorPos (&pt);
1969 ScreenToClient (infoPtr->hwndSelf, &pt);
1970
1971 HEADER_InternalHitTest (infoPtr, &pt, &flags, &nItem);
1972
1973 if (flags == HHT_ONDIVIDER)
1974 SetCursor (infoPtr->hcurDivider);
1975 else if (flags == HHT_ONDIVOPEN)
1976 SetCursor (infoPtr->hcurDivopen);
1977 else
1978 SetCursor (infoPtr->hcurArrow);
1979
1980 return 0;
1981 }
1982
1983
1984 static LRESULT
1985 HEADER_SetFont (HEADER_INFO *infoPtr, HFONT hFont, WORD Redraw)
1986 {
1987 TEXTMETRICW tm;
1988 HFONT hOldFont;
1989 HDC hdc;
1990
1991 infoPtr->hFont = hFont;
1992
1993 hdc = GetDC (0);
1994 hOldFont = SelectObject (hdc, infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT));
1995 GetTextMetricsW (hdc, &tm);
1996 infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
1997 SelectObject (hdc, hOldFont);
1998 ReleaseDC (0, hdc);
1999
2000 infoPtr->bRectsValid = FALSE;
2001
2002 if (Redraw) {
2003 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
2004 }
2005
2006 return 0;
2007 }
2008
2009 static LRESULT HEADER_SetRedraw(HEADER_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
2010 {
2011 /* ignoring the InvalidateRect calls is handled by user32. But some apps expect
2012 * that we invalidate the header and this has to be done manually */
2013 LRESULT ret;
2014
2015 ret = DefWindowProcW(infoPtr->hwndSelf, WM_SETREDRAW, wParam, lParam);
2016 if (wParam)
2017 InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
2018 return ret;
2019 }
2020
2021 static INT HEADER_StyleChanged(HEADER_INFO *infoPtr, WPARAM wStyleType,
2022 const STYLESTRUCT *lpss)
2023 {
2024 TRACE("(styletype=%lx, styleOld=0x%08x, styleNew=0x%08x)\n",
2025 wStyleType, lpss->styleOld, lpss->styleNew);
2026
2027 if (wStyleType != GWL_STYLE) return 0;
2028
2029 infoPtr->dwStyle = lpss->styleNew;
2030
2031 return 0;
2032 }
2033
2034 /* Update the theme handle after a theme change */
2035 static LRESULT HEADER_ThemeChanged(const HEADER_INFO *infoPtr)
2036 {
2037 HTHEME theme = GetWindowTheme(infoPtr->hwndSelf);
2038 CloseThemeData(theme);
2039 OpenThemeData(infoPtr->hwndSelf, themeClass);
2040 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
2041 return 0;
2042 }
2043
2044
2045 static LRESULT WINAPI
2046 HEADER_WindowProc (HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
2047 {
2048 HEADER_INFO *infoPtr = (HEADER_INFO *)GetWindowLongPtrW(hwnd, 0);
2049
2050 TRACE("hwnd=%p msg=%x wparam=%lx lParam=%lx\n", hwnd, msg, wParam, lParam);
2051 if (!infoPtr && (msg != WM_CREATE))
2052 return DefWindowProcW (hwnd, msg, wParam, lParam);
2053 switch (msg) {
2054 /* case HDM_CLEARFILTER: */
2055
2056 case HDM_CREATEDRAGIMAGE:
2057 return HEADER_CreateDragImage (infoPtr, (INT)wParam);
2058
2059 case HDM_DELETEITEM:
2060 return HEADER_DeleteItem (infoPtr, (INT)wParam);
2061
2062 /* case HDM_EDITFILTER: */
2063
2064 case HDM_GETBITMAPMARGIN:
2065 return HEADER_GetBitmapMargin(infoPtr);
2066
2067 case HDM_GETIMAGELIST:
2068 return HEADER_GetImageList (infoPtr);
2069
2070 case HDM_GETITEMA:
2071 case HDM_GETITEMW:
2072 return HEADER_GetItemT (infoPtr, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_GETITEMW);
2073
2074 case HDM_GETITEMCOUNT:
2075 return HEADER_GetItemCount (infoPtr);
2076
2077 case HDM_GETITEMRECT:
2078 return HEADER_GetItemRect (infoPtr, (INT)wParam, (LPRECT)lParam);
2079
2080 case HDM_GETORDERARRAY:
2081 return HEADER_GetOrderArray(infoPtr, (INT)wParam, (LPINT)lParam);
2082
2083 case HDM_GETUNICODEFORMAT:
2084 return HEADER_GetUnicodeFormat (infoPtr);
2085
2086 case HDM_HITTEST:
2087 return HEADER_HitTest (infoPtr, (LPHDHITTESTINFO)lParam);
2088
2089 case HDM_INSERTITEMA:
2090 case HDM_INSERTITEMW:
2091 return HEADER_InsertItemT (infoPtr, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_INSERTITEMW);
2092
2093 case HDM_LAYOUT:
2094 return HEADER_Layout (infoPtr, (LPHDLAYOUT)lParam);
2095
2096 case HDM_ORDERTOINDEX:
2097 return HEADER_OrderToIndex(infoPtr, (INT)wParam);
2098
2099 case HDM_SETBITMAPMARGIN:
2100 return HEADER_SetBitmapMargin(infoPtr, (INT)wParam);
2101
2102 /* case HDM_SETFILTERCHANGETIMEOUT: */
2103
2104 case HDM_SETHOTDIVIDER:
2105 return HEADER_SetHotDivider(infoPtr, wParam, lParam);
2106
2107 case HDM_SETIMAGELIST:
2108 return HEADER_SetImageList (infoPtr, (HIMAGELIST)lParam);
2109
2110 case HDM_SETITEMA:
2111 case HDM_SETITEMW:
2112 return HEADER_SetItemT (infoPtr, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_SETITEMW);
2113
2114 case HDM_SETORDERARRAY:
2115 return HEADER_SetOrderArray(infoPtr, (INT)wParam, (LPINT)lParam);
2116
2117 case HDM_SETUNICODEFORMAT:
2118 return HEADER_SetUnicodeFormat (infoPtr, wParam);
2119
2120 case WM_CREATE:
2121 return HEADER_Create (hwnd, (LPCREATESTRUCTW)lParam);
2122
2123 case WM_DESTROY:
2124 return HEADER_Destroy (infoPtr);
2125
2126 case WM_NCDESTROY:
2127 return HEADER_NCDestroy (infoPtr);
2128
2129 case WM_ERASEBKGND:
2130 return 1;
2131
2132 case WM_GETDLGCODE:
2133 return DLGC_WANTTAB | DLGC_WANTARROWS;
2134
2135 case WM_GETFONT:
2136 return HEADER_GetFont (infoPtr);
2137
2138 case WM_LBUTTONDBLCLK:
2139 return HEADER_LButtonDblClk (infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam));
2140
2141 case WM_LBUTTONDOWN:
2142 return HEADER_LButtonDown (infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam));
2143
2144 case WM_LBUTTONUP:
2145 return HEADER_LButtonUp (infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam));
2146
2147 case WM_MOUSELEAVE:
2148 return HEADER_MouseLeave (infoPtr);
2149
2150 case WM_MOUSEMOVE:
2151 return HEADER_MouseMove (infoPtr, lParam);
2152
2153 case WM_NOTIFYFORMAT:
2154 return HEADER_NotifyFormat (infoPtr, wParam, lParam);
2155
2156 case WM_SIZE:
2157 return HEADER_Size (infoPtr);
2158
2159 case WM_THEMECHANGED:
2160 return HEADER_ThemeChanged (infoPtr);
2161
2162 case WM_PRINTCLIENT:
2163 case WM_PAINT:
2164 return HEADER_Paint (infoPtr, (HDC)wParam);
2165
2166 case WM_RBUTTONUP:
2167 return HEADER_RButtonUp (infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam));
2168
2169 case WM_SETCURSOR:
2170 return HEADER_SetCursor (infoPtr, lParam);
2171
2172 case WM_SETFONT:
2173 return HEADER_SetFont (infoPtr, (HFONT)wParam, (WORD)lParam);
2174
2175 case WM_SETREDRAW:
2176 return HEADER_SetRedraw(infoPtr, wParam, lParam);
2177
2178 case WM_STYLECHANGED:
2179 return HEADER_StyleChanged(infoPtr, wParam, (LPSTYLESTRUCT)lParam);
2180
2181 case WM_SYSCOLORCHANGE:
2182 COMCTL32_RefreshSysColors();
2183 return 0;
2184
2185 default:
2186 if ((msg >= WM_USER) && (msg < WM_APP) && !COMCTL32_IsReflectedMessage(msg))
2187 ERR("unknown msg %04x wp=%04lx lp=%08lx\n",
2188 msg, wParam, lParam );
2189 return DefWindowProcW(hwnd, msg, wParam, lParam);
2190 }
2191 }
2192
2193
2194 VOID
2195 HEADER_Register (void)
2196 {
2197 WNDCLASSW wndClass;
2198
2199 ZeroMemory (&wndClass, sizeof(WNDCLASSW));
2200 wndClass.style = CS_GLOBALCLASS | CS_DBLCLKS;
2201 wndClass.lpfnWndProc = HEADER_WindowProc;
2202 wndClass.cbClsExtra = 0;
2203 wndClass.cbWndExtra = sizeof(HEADER_INFO *);
2204 wndClass.hCursor = LoadCursorW (0, (LPWSTR)IDC_ARROW);
2205 wndClass.lpszClassName = WC_HEADERW;
2206
2207 RegisterClassW (&wndClass);
2208 }
2209
2210
2211 VOID
2212 HEADER_Unregister (void)
2213 {
2214 UnregisterClassW (WC_HEADERW, NULL);
2215 }
Windows API implementation