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include: Do not separate control names.
[wine.git] / dlls / comctl32 / header.c
blobdce1d8cf3bcb7bde345aaae32acabf92268dc9e6
1 /*
2 * Header control
3 *
4 * Copyright 1998 Eric Kohl
5 * Copyright 2000 Eric Kohl for CodeWeavers
6 * Copyright 2003 Maxime Bellenge
7 * Copyright 2006 Mikolaj Zalewski
8 *
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
13 *
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
18 *
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22 *
23 * TODO:
24 * - Imagelist support (completed?)
25 * - Hottrack support (completed?)
26 * - Filters support (HDS_FILTER, HDI_FILTER, HDM_*FILTER*, HDN_*FILTER*)
27 * - New Windows Vista features
28 */
29
30 #include <stdarg.h>
31 #include <stdlib.h>
32 #include <string.h>
33
34 #include "windef.h"
35 #include "winbase.h"
36 #include "wine/unicode.h"
37 #include "wingdi.h"
38 #include "winuser.h"
39 #include "winnls.h"
40 #include "commctrl.h"
41 #include "comctl32.h"
42 #include "imagelist.h"
43 #include "tmschema.h"
44 #include "uxtheme.h"
45 #include "wine/debug.h"
46
47 WINE_DEFAULT_DEBUG_CHANNEL(header);
48
49 typedef struct
50 {
51 INT cxy;
52 HBITMAP hbm;
53 LPWSTR pszText;
54 INT fmt;
55 LPARAM lParam;
56 INT iImage;
57 INT iOrder; /* see documentation of HD_ITEM */
58
59 BOOL bDown; /* is item pressed? (used for drawing) */
60 RECT rect; /* bounding rectangle of the item */
61 DWORD callbackMask; /* HDI_* flags for items that are callback */
62 } HEADER_ITEM;
63
64
65 typedef struct
66 {
67 HWND hwndSelf; /* Control window */
68 HWND hwndNotify; /* Owner window to send notifications to */
69 INT nNotifyFormat; /* format used for WM_NOTIFY messages */
70 UINT uNumItem; /* number of items (columns) */
71 INT nHeight; /* height of the header (pixels) */
72 HFONT hFont; /* handle to the current font */
73 HCURSOR hcurArrow; /* handle to the arrow cursor */
74 HCURSOR hcurDivider; /* handle to a cursor (used over dividers) <-|-> */
75 HCURSOR hcurDivopen; /* handle to a cursor (used over dividers) <-||-> */
76 BOOL bCaptured; /* Is the mouse captured? */
77 BOOL bPressed; /* Is a header item pressed (down)? */
78 BOOL bDragging; /* Are we dragging an item? */
79 BOOL bTracking; /* Is in tracking mode? */
80 POINT ptLButtonDown; /* The point where the left button was pressed */
81 DWORD dwStyle; /* the cached window GWL_STYLE */
82 INT iMoveItem; /* index of tracked item. (Tracking mode) */
83 INT xTrackOffset; /* distance between the right side of the tracked item and the cursor */
84 INT xOldTrack; /* track offset (see above) after the last WM_MOUSEMOVE */
85 INT iHotItem; /* index of hot item (cursor is over this item) */
86 INT iHotDivider; /* index of the hot divider (used while dragging an item or by HDM_SETHOTDIVIDER) */
87 INT iMargin; /* width of the margin that surrounds a bitmap */
88
89 HIMAGELIST himl; /* handle to an image list (may be 0) */
90 HEADER_ITEM *items; /* pointer to array of HEADER_ITEM's */
91 INT *order; /* array of item IDs indexed by order */
92 BOOL bRectsValid; /* validity flag for bounding rectangles */
93 } HEADER_INFO;
94
95
96 #define VERT_BORDER 4
97 #define DIVIDER_WIDTH 10
98 #define HOT_DIVIDER_WIDTH 2
99 #define MAX_HEADER_TEXT_LEN 260
100 #define HDN_UNICODE_OFFSET 20
101 #define HDN_FIRST_UNICODE (HDN_FIRST-HDN_UNICODE_OFFSET)
102
103 #define HDI_SUPPORTED_FIELDS (HDI_WIDTH|HDI_TEXT|HDI_FORMAT|HDI_LPARAM|HDI_BITMAP|HDI_IMAGE|HDI_ORDER)
104 #define HDI_UNSUPPORTED_FIELDS (HDI_FILTER)
105 #define HDI_UNKNOWN_FIELDS (~(HDI_SUPPORTED_FIELDS|HDI_UNSUPPORTED_FIELDS|HDI_DI_SETITEM))
106 #define HDI_COMCTL32_4_0_FIELDS (HDI_WIDTH|HDI_TEXT|HDI_FORMAT|HDI_LPARAM|HDI_BITMAP)
107
108
109 static BOOL HEADER_PrepareCallbackItems(const HEADER_INFO *infoPtr, INT iItem, INT reqMask);
110 static void HEADER_FreeCallbackItems(HEADER_ITEM *lpItem);
111 static LRESULT HEADER_SendNotify(const HEADER_INFO *infoPtr, UINT code, NMHDR *hdr);
112 static LRESULT HEADER_SendCtrlCustomDraw(const HEADER_INFO *infoPtr, DWORD dwDrawStage, HDC hdc, const RECT *rect);
113
114 static const WCHAR themeClass[] = {'H','e','a','d','e','r',0};
115
116 static void HEADER_StoreHDItemInHeader(HEADER_ITEM *lpItem, UINT mask, const HDITEMW *phdi, BOOL fUnicode)
117 {
118 if (mask & HDI_UNSUPPORTED_FIELDS)
119 FIXME("unsupported header fields %x\n", (mask & HDI_UNSUPPORTED_FIELDS));
120
121 if (mask & HDI_BITMAP)
122 lpItem->hbm = phdi->hbm;
123
124 if (mask & HDI_FORMAT)
125 lpItem->fmt = phdi->fmt;
126
127 if (mask & HDI_LPARAM)
128 lpItem->lParam = phdi->lParam;
129
130 if (mask & HDI_WIDTH)
131 lpItem->cxy = phdi->cxy;
132
133 if (mask & HDI_IMAGE)
134 {
135 lpItem->iImage = phdi->iImage;
136 if (phdi->iImage == I_IMAGECALLBACK)
137 lpItem->callbackMask |= HDI_IMAGE;
138 else
139 lpItem->callbackMask &= ~HDI_IMAGE;
140 }
141
142 if (mask & HDI_TEXT)
143 {
144 Free(lpItem->pszText);
145 lpItem->pszText = NULL;
146
147 if (phdi->pszText != LPSTR_TEXTCALLBACKW) /* covers != TEXTCALLBACKA too */
148 {
149 static const WCHAR emptyString[] = {0};
150
151 LPCWSTR pszText = (phdi->pszText != NULL ? phdi->pszText : emptyString);
152 if (fUnicode)
153 Str_SetPtrW(&lpItem->pszText, pszText);
154 else
155 Str_SetPtrAtoW(&lpItem->pszText, (LPCSTR)pszText);
156 lpItem->callbackMask &= ~HDI_TEXT;
157 }
158 else
159 {
160 lpItem->pszText = NULL;
161 lpItem->callbackMask |= HDI_TEXT;
162 }
163 }
164 }
165
166 static inline LRESULT
167 HEADER_IndexToOrder (const HEADER_INFO *infoPtr, INT iItem)
168 {
169 HEADER_ITEM *lpItem = &infoPtr->items[iItem];
170 return lpItem->iOrder;
171 }
172
173
174 static INT
175 HEADER_OrderToIndex(const HEADER_INFO *infoPtr, INT iorder)
176 {
177 if ((iorder <0) || iorder >= infoPtr->uNumItem)
178 return iorder;
179 return infoPtr->order[iorder];
180 }
181
182 static void
183 HEADER_ChangeItemOrder(const HEADER_INFO *infoPtr, INT iItem, INT iNewOrder)
184 {
185 HEADER_ITEM *lpItem = &infoPtr->items[iItem];
186 INT i, nMin, nMax;
187
188 TRACE("%d: %d->%d\n", iItem, lpItem->iOrder, iNewOrder);
189 if (lpItem->iOrder < iNewOrder)
190 {
191 memmove(&infoPtr->order[lpItem->iOrder],
192 &infoPtr->order[lpItem->iOrder + 1],
193 (iNewOrder - lpItem->iOrder) * sizeof(INT));
194 }
195 if (iNewOrder < lpItem->iOrder)
196 {
197 memmove(&infoPtr->order[iNewOrder + 1],
198 &infoPtr->order[iNewOrder],
199 (lpItem->iOrder - iNewOrder) * sizeof(INT));
200 }
201 infoPtr->order[iNewOrder] = iItem;
202 nMin = min(lpItem->iOrder, iNewOrder);
203 nMax = max(lpItem->iOrder, iNewOrder);
204 for (i = nMin; i <= nMax; i++)
205 infoPtr->items[infoPtr->order[i]].iOrder = i;
206 }
207
208 /* Note: if iItem is the last item then this function returns infoPtr->uNumItem */
209 static INT
210 HEADER_NextItem(const HEADER_INFO *infoPtr, INT iItem)
211 {
212 return HEADER_OrderToIndex(infoPtr, HEADER_IndexToOrder(infoPtr, iItem)+1);
213 }
214
215 static INT
216 HEADER_PrevItem(const HEADER_INFO *infoPtr, INT iItem)
217 {
218 return HEADER_OrderToIndex(infoPtr, HEADER_IndexToOrder(infoPtr, iItem)-1);
219 }
220
221 /* TRUE when item is not resizable with dividers,
222 note that valid index should be supplied */
223 static inline BOOL
224 HEADER_IsItemFixed(const HEADER_INFO *infoPtr, INT iItem)
225 {
226 return (infoPtr->dwStyle & HDS_NOSIZING) || (infoPtr->items[iItem].fmt & HDF_FIXEDWIDTH);
227 }
228
229 static void
230 HEADER_SetItemBounds (HEADER_INFO *infoPtr)
231 {
232 HEADER_ITEM *phdi;
233 RECT rect;
234 unsigned int i;
235 int x;
236
237 infoPtr->bRectsValid = TRUE;
238
239 if (infoPtr->uNumItem == 0)
240 return;
241
242 GetClientRect (infoPtr->hwndSelf, &rect);
243
244 x = rect.left;
245 for (i = 0; i < infoPtr->uNumItem; i++) {
246 phdi = &infoPtr->items[HEADER_OrderToIndex(infoPtr,i)];
247 phdi->rect.top = rect.top;
248 phdi->rect.bottom = rect.bottom;
249 phdi->rect.left = x;
250 phdi->rect.right = phdi->rect.left + ((phdi->cxy>0)?phdi->cxy:0);
251 x = phdi->rect.right;
252 }
253 }
254
255 static LRESULT
256 HEADER_Size (HEADER_INFO *infoPtr)
257 {
258 HEADER_SetItemBounds(infoPtr);
259 return 0;
260 }
261
262 static void HEADER_GetHotDividerRect(const HEADER_INFO *infoPtr, RECT *r)
263 {
264 INT iDivider = infoPtr->iHotDivider;
265 if (infoPtr->uNumItem > 0)
266 {
267 HEADER_ITEM *lpItem;
268
269 if (iDivider < infoPtr->uNumItem)
270 {
271 lpItem = &infoPtr->items[iDivider];
272 r->left = lpItem->rect.left - HOT_DIVIDER_WIDTH/2;
273 r->right = lpItem->rect.left + HOT_DIVIDER_WIDTH/2;
274 }
275 else
276 {
277 lpItem = &infoPtr->items[HEADER_OrderToIndex(infoPtr, infoPtr->uNumItem-1)];
278 r->left = lpItem->rect.right - HOT_DIVIDER_WIDTH/2;
279 r->right = lpItem->rect.right + HOT_DIVIDER_WIDTH/2;
280 }
281 r->top = lpItem->rect.top;
282 r->bottom = lpItem->rect.bottom;
283 }
284 else
285 {
286 RECT clientRect;
287 GetClientRect(infoPtr->hwndSelf, &clientRect);
288 *r = clientRect;
289 r->right = r->left + HOT_DIVIDER_WIDTH/2;
290 }
291 }
292
293
294 static INT
295 HEADER_DrawItem (HEADER_INFO *infoPtr, HDC hdc, INT iItem, BOOL bHotTrack, LRESULT lCDFlags)
296 {
297 HEADER_ITEM *phdi = &infoPtr->items[iItem];
298 RECT r;
299 INT oldBkMode;
300 HTHEME theme = GetWindowTheme (infoPtr->hwndSelf);
301 NMCUSTOMDRAW nmcd;
302
303 TRACE("DrawItem(iItem %d bHotTrack %d unicode flag %d)\n", iItem, bHotTrack, (infoPtr->nNotifyFormat == NFR_UNICODE));
304
305 r = phdi->rect;
306 if (r.right - r.left == 0)
307 return phdi->rect.right;
308
309 /* Set the colors before sending NM_CUSTOMDRAW so that it can change them */
310 SetTextColor(hdc, (bHotTrack && !theme) ? COLOR_HIGHLIGHT : COLOR_BTNTEXT);
311 SetBkColor(hdc, comctl32_color.clr3dFace);
312
313 if (lCDFlags & CDRF_NOTIFYITEMDRAW && !(phdi->fmt & HDF_OWNERDRAW))
314 {
315 LRESULT lCDItemFlags;
316
317 nmcd.dwDrawStage = CDDS_PREPAINT | CDDS_ITEM;
318 nmcd.hdc = hdc;
319 nmcd.dwItemSpec = iItem;
320 nmcd.rc = r;
321 nmcd.uItemState = phdi->bDown ? CDIS_SELECTED : 0;
322 nmcd.lItemlParam = phdi->lParam;
323
324 lCDItemFlags = HEADER_SendNotify(infoPtr, NM_CUSTOMDRAW, (NMHDR *)&nmcd);
325 if (lCDItemFlags & CDRF_SKIPDEFAULT)
326 return phdi->rect.right;
327 }
328
329 if (theme != NULL) {
330 int state = (phdi->bDown) ? HIS_PRESSED :
331 (bHotTrack ? HIS_HOT : HIS_NORMAL);
332 DrawThemeBackground (theme, hdc, HP_HEADERITEM, state,
333 &r, NULL);
334 GetThemeBackgroundContentRect (theme, hdc, HP_HEADERITEM, state,
335 &r, &r);
336 }
337 else {
338 HBRUSH hbr;
339
340 if (!(infoPtr->dwStyle & HDS_FLAT))
341 {
342 if (infoPtr->dwStyle & HDS_BUTTONS) {
343 if (phdi->bDown) {
344 DrawEdge (hdc, &r, BDR_RAISEDOUTER,
345 BF_RECT | BF_FLAT | BF_MIDDLE | BF_ADJUST);
346 }
347 else
348 DrawEdge (hdc, &r, EDGE_RAISED,
349 BF_RECT | BF_SOFT | BF_MIDDLE | BF_ADJUST);
350 }
351 else
352 DrawEdge (hdc, &r, EDGE_ETCHED, BF_BOTTOM | BF_RIGHT | BF_ADJUST);
353 }
354
355 hbr = CreateSolidBrush(GetBkColor(hdc));
356 FillRect(hdc, &r, hbr);
357 DeleteObject(hbr);
358 }
359 if (phdi->bDown) {
360 r.left += 2;
361 r.top += 2;
362 }
363
364 if (phdi->fmt & HDF_OWNERDRAW) {
365 DRAWITEMSTRUCT dis;
366
367 dis.CtlType = ODT_HEADER;
368 dis.CtlID = GetWindowLongPtrW (infoPtr->hwndSelf, GWLP_ID);
369 dis.itemID = iItem;
370 dis.itemAction = ODA_DRAWENTIRE;
371 dis.itemState = phdi->bDown ? ODS_SELECTED : 0;
372 dis.hwndItem = infoPtr->hwndSelf;
373 dis.hDC = hdc;
374 dis.rcItem = phdi->rect;
375 dis.itemData = phdi->lParam;
376 oldBkMode = SetBkMode(hdc, TRANSPARENT);
377 SendMessageW (infoPtr->hwndNotify, WM_DRAWITEM,
378 (WPARAM)dis.CtlID, (LPARAM)&dis);
379 if (oldBkMode != TRANSPARENT)
380 SetBkMode(hdc, oldBkMode);
381 }
382 else {
383 UINT rw, rh, /* width and height of r */
384 *x = NULL, *w = NULL; /* x and width of the pic (bmp or img) which is part of cnt */
385 /* cnt,txt,img,bmp */
386 UINT cx, tx, ix, bx,
387 cw, tw, iw, bw;
388 BITMAP bmp;
389
390 HEADER_PrepareCallbackItems(infoPtr, iItem, HDI_TEXT|HDI_IMAGE);
391 cw = tw = iw = bw = 0;
392 rw = r.right - r.left;
393 rh = r.bottom - r.top;
394
395 if (phdi->fmt & HDF_STRING) {
396 RECT textRect;
397
398 SetRectEmpty(&textRect);
399 DrawTextW (hdc, phdi->pszText, -1,
400 &textRect, DT_LEFT|DT_VCENTER|DT_SINGLELINE|DT_CALCRECT);
401 cw = textRect.right - textRect.left + 2 * infoPtr->iMargin;
402 }
403
404 if ((phdi->fmt & HDF_IMAGE) && (infoPtr->himl)) {
405 iw = infoPtr->himl->cx + 2 * infoPtr->iMargin;
406 x = &ix;
407 w = &iw;
408 }
409
410 if ((phdi->fmt & HDF_BITMAP) && (phdi->hbm)) {
411 GetObjectW (phdi->hbm, sizeof(BITMAP), &bmp);
412 bw = bmp.bmWidth + 2 * infoPtr->iMargin;
413 if (!iw) {
414 x = &bx;
415 w = &bw;
416 }
417 }
418
419 if (bw || iw)
420 cw += *w;
421
422 /* align cx using the unclipped cw */
423 if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_LEFT)
424 cx = r.left;
425 else if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_CENTER)
426 cx = r.left + rw / 2 - cw / 2;
427 else /* HDF_RIGHT */
428 cx = r.right - cw;
429
430 /* clip cx & cw */
431 if (cx < r.left)
432 cx = r.left;
433 if (cx + cw > r.right)
434 cw = r.right - cx;
435
436 tx = cx + infoPtr->iMargin;
437 /* since cw might have changed we have to recalculate tw */
438 tw = cw - infoPtr->iMargin * 2;
439
440 if (iw || bw) {
441 tw -= *w;
442 if (phdi->fmt & HDF_BITMAP_ON_RIGHT) {
443 /* put pic behind text */
444 *x = cx + tw + infoPtr->iMargin * 3;
445 } else {
446 *x = cx + infoPtr->iMargin;
447 /* move text behind pic */
448 tx += *w;
449 }
450 }
451
452 if (iw && bw) {
453 /* since we're done with the layout we can
454 now calculate the position of bmp which
455 has no influence on alignment and layout
456 because of img */
457 if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_RIGHT)
458 bx = cx - bw + infoPtr->iMargin;
459 else
460 bx = cx + cw + infoPtr->iMargin;
461 }
462
463 if (iw || bw) {
464 HDC hClipDC = GetDC(infoPtr->hwndSelf);
465 HRGN hClipRgn = CreateRectRgn(r.left, r.top, r.right, r.bottom);
466 SelectClipRgn(hClipDC, hClipRgn);
467
468 if (bw) {
469 HDC hdcBitmap = CreateCompatibleDC (hClipDC);
470 SelectObject (hdcBitmap, phdi->hbm);
471 BitBlt (hClipDC, bx, r.top + ((INT)rh - bmp.bmHeight) / 2,
472 bmp.bmWidth, bmp.bmHeight, hdcBitmap, 0, 0, SRCCOPY);
473 DeleteDC (hdcBitmap);
474 }
475
476 if (iw) {
477 ImageList_DrawEx (infoPtr->himl, phdi->iImage, hClipDC,
478 ix, r.top + ((INT)rh - infoPtr->himl->cy) / 2,
479 infoPtr->himl->cx, infoPtr->himl->cy, CLR_DEFAULT, CLR_DEFAULT, 0);
480 }
481
482 DeleteObject(hClipRgn);
483 ReleaseDC(infoPtr->hwndSelf, hClipDC);
484 }
485
486 if (((phdi->fmt & HDF_STRING)
487 || (!(phdi->fmt & (HDF_OWNERDRAW|HDF_STRING|HDF_BITMAP|
488 HDF_BITMAP_ON_RIGHT|HDF_IMAGE)))) /* no explicit format specified? */
489 && (phdi->pszText)) {
490 oldBkMode = SetBkMode(hdc, TRANSPARENT);
491 r.left = tx;
492 r.right = tx + tw;
493 DrawTextW (hdc, phdi->pszText, -1,
494 &r, DT_LEFT|DT_END_ELLIPSIS|DT_VCENTER|DT_SINGLELINE);
495 if (oldBkMode != TRANSPARENT)
496 SetBkMode(hdc, oldBkMode);
497 }
498 HEADER_FreeCallbackItems(phdi);
499 }/*Ownerdrawn*/
500
501 return phdi->rect.right;
502 }
503
504 static void
505 HEADER_DrawHotDivider(const HEADER_INFO *infoPtr, HDC hdc)
506 {
507 HBRUSH brush;
508 RECT r;
509
510 HEADER_GetHotDividerRect(infoPtr, &r);
511 brush = CreateSolidBrush(comctl32_color.clrHighlight);
512 FillRect(hdc, &r, brush);
513 DeleteObject(brush);
514 }
515
516 static void
517 HEADER_Refresh (HEADER_INFO *infoPtr, HDC hdc)
518 {
519 HFONT hFont, hOldFont;
520 RECT rect, rcRest;
521 HBRUSH hbrBk;
522 UINT i;
523 INT x;
524 LRESULT lCDFlags;
525 HTHEME theme = GetWindowTheme (infoPtr->hwndSelf);
526
527 if (!infoPtr->bRectsValid)
528 HEADER_SetItemBounds(infoPtr);
529
530 /* get rect for the bar, adjusted for the border */
531 GetClientRect (infoPtr->hwndSelf, &rect);
532 lCDFlags = HEADER_SendCtrlCustomDraw(infoPtr, CDDS_PREPAINT, hdc, &rect);
533
534 if (infoPtr->bDragging)
535 ImageList_DragShowNolock(FALSE);
536
537 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT);
538 hOldFont = SelectObject (hdc, hFont);
539
540 /* draw Background */
541 if (infoPtr->uNumItem == 0 && theme == NULL) {
542 hbrBk = GetSysColorBrush(COLOR_3DFACE);
543 FillRect(hdc, &rect, hbrBk);
544 }
545
546 x = rect.left;
547 for (i = 0; x <= rect.right && i < infoPtr->uNumItem; i++) {
548 int idx = HEADER_OrderToIndex(infoPtr,i);
549 if (RectVisible(hdc, &infoPtr->items[idx].rect))
550 HEADER_DrawItem(infoPtr, hdc, idx, infoPtr->iHotItem == idx, lCDFlags);
551 x = infoPtr->items[idx].rect.right;
552 }
553
554 rcRest = rect;
555 rcRest.left = x;
556 if ((x <= rect.right) && RectVisible(hdc, &rcRest) && (infoPtr->uNumItem > 0)) {
557 if (theme != NULL) {
558 DrawThemeBackground(theme, hdc, HP_HEADERITEM, HIS_NORMAL, &rcRest, NULL);
559 }
560 else if (infoPtr->dwStyle & HDS_FLAT) {
561 hbrBk = GetSysColorBrush(COLOR_3DFACE);
562 FillRect(hdc, &rcRest, hbrBk);
563 }
564 else
565 {
566 if (infoPtr->dwStyle & HDS_BUTTONS)
567 DrawEdge (hdc, &rcRest, EDGE_RAISED, BF_TOP|BF_LEFT|BF_BOTTOM|BF_SOFT|BF_MIDDLE);
568 else
569 DrawEdge (hdc, &rcRest, EDGE_ETCHED, BF_BOTTOM|BF_MIDDLE);
570 }
571 }
572
573 if (infoPtr->iHotDivider != -1)
574 HEADER_DrawHotDivider(infoPtr, hdc);
575
576 if (infoPtr->bDragging)
577 ImageList_DragShowNolock(TRUE);
578 SelectObject (hdc, hOldFont);
579
580 if (lCDFlags & CDRF_NOTIFYPOSTPAINT)
581 HEADER_SendCtrlCustomDraw(infoPtr, CDDS_POSTPAINT, hdc, &rect);
582 }
583
584
585 static void
586 HEADER_RefreshItem (HEADER_INFO *infoPtr, INT iItem)
587 {
588 if (!infoPtr->bRectsValid)
589 HEADER_SetItemBounds(infoPtr);
590
591 InvalidateRect(infoPtr->hwndSelf, &infoPtr->items[iItem].rect, FALSE);
592 }
593
594
595 static void
596 HEADER_InternalHitTest (const HEADER_INFO *infoPtr, const POINT *lpPt, UINT *pFlags, INT *pItem)
597 {
598 RECT rect, rcTest;
599 UINT iCount;
600 INT width;
601 BOOL bNoWidth;
602
603 GetClientRect (infoPtr->hwndSelf, &rect);
604
605 *pFlags = 0;
606 bNoWidth = FALSE;
607 if (PtInRect (&rect, *lpPt))
608 {
609 if (infoPtr->uNumItem == 0) {
610 *pFlags |= HHT_NOWHERE;
611 *pItem = 1;
612 TRACE("NOWHERE\n");
613 return;
614 }
615 else {
616 /* somewhere inside */
617 for (iCount = 0; iCount < infoPtr->uNumItem; iCount++) {
618 rect = infoPtr->items[iCount].rect;
619 width = rect.right - rect.left;
620 if (width == 0) {
621 bNoWidth = TRUE;
622 continue;
623 }
624 if (PtInRect (&rect, *lpPt)) {
625 if (width <= 2 * DIVIDER_WIDTH) {
626 *pFlags |= HHT_ONHEADER;
627 *pItem = iCount;
628 TRACE("ON HEADER %d\n", iCount);
629 return;
630 }
631 if (HEADER_IndexToOrder(infoPtr, iCount) > 0) {
632 rcTest = rect;
633 rcTest.right = rcTest.left + DIVIDER_WIDTH;
634 if (PtInRect (&rcTest, *lpPt)) {
635 if (HEADER_IsItemFixed(infoPtr, HEADER_PrevItem(infoPtr, iCount)))
636 {
637 *pFlags |= HHT_ONHEADER;
638 *pItem = iCount;
639 TRACE("ON HEADER %d\n", *pItem);
640 return;
641 }
642 if (bNoWidth) {
643 *pFlags |= HHT_ONDIVOPEN;
644 *pItem = HEADER_PrevItem(infoPtr, iCount);
645 TRACE("ON DIVOPEN %d\n", *pItem);
646 return;
647 }
648 else {
649 *pFlags |= HHT_ONDIVIDER;
650 *pItem = HEADER_PrevItem(infoPtr, iCount);
651 TRACE("ON DIVIDER %d\n", *pItem);
652 return;
653 }
654 }
655 }
656 rcTest = rect;
657 rcTest.left = rcTest.right - DIVIDER_WIDTH;
658 if (!HEADER_IsItemFixed(infoPtr, iCount) && PtInRect (&rcTest, *lpPt))
659 {
660 *pFlags |= HHT_ONDIVIDER;
661 *pItem = iCount;
662 TRACE("ON DIVIDER %d\n", *pItem);
663 return;
664 }
665
666 *pFlags |= HHT_ONHEADER;
667 *pItem = iCount;
668 TRACE("ON HEADER %d\n", iCount);
669 return;
670 }
671 }
672
673 /* check for last divider part (on nowhere) */
674 if (!HEADER_IsItemFixed(infoPtr, infoPtr->uNumItem - 1))
675 {
676 rect = infoPtr->items[infoPtr->uNumItem-1].rect;
677 rect.left = rect.right;
678 rect.right += DIVIDER_WIDTH;
679 if (PtInRect (&rect, *lpPt)) {
680 if (bNoWidth) {
681 *pFlags |= HHT_ONDIVOPEN;
682 *pItem = infoPtr->uNumItem - 1;
683 TRACE("ON DIVOPEN %d\n", *pItem);
684 return;
685 }
686 else {
687 *pFlags |= HHT_ONDIVIDER;
688 *pItem = infoPtr->uNumItem - 1;
689 TRACE("ON DIVIDER %d\n", *pItem);
690 return;
691 }
692 }
693 }
694
695 *pFlags |= HHT_NOWHERE;
696 *pItem = 1;
697 TRACE("NOWHERE\n");
698 return;
699 }
700 }
701 else {
702 if (lpPt->x < rect.left) {
703 TRACE("TO LEFT\n");
704 *pFlags |= HHT_TOLEFT;
705 }
706 else if (lpPt->x > rect.right) {
707 TRACE("TO RIGHT\n");
708 *pFlags |= HHT_TORIGHT;
709 }
710
711 if (lpPt->y < rect.top) {
712 TRACE("ABOVE\n");
713 *pFlags |= HHT_ABOVE;
714 }
715 else if (lpPt->y > rect.bottom) {
716 TRACE("BELOW\n");
717 *pFlags |= HHT_BELOW;
718 }
719 }
720
721 *pItem = 1;
722 TRACE("flags=0x%X\n", *pFlags);
723 return;
724 }
725
726
727 static void
728 HEADER_DrawTrackLine (const HEADER_INFO *infoPtr, HDC hdc, INT x)
729 {
730 RECT rect;
731 HPEN hOldPen;
732 INT oldRop;
733
734 GetClientRect (infoPtr->hwndSelf, &rect);
735
736 hOldPen = SelectObject (hdc, GetStockObject (BLACK_PEN));
737 oldRop = SetROP2 (hdc, R2_XORPEN);
738 MoveToEx (hdc, x, rect.top, NULL);
739 LineTo (hdc, x, rect.bottom);
740 SetROP2 (hdc, oldRop);
741 SelectObject (hdc, hOldPen);
742 }
743
744 /***
745 * DESCRIPTION:
746 * Convert a HDITEM into the correct format (ANSI/Unicode) to send it in a notify
747 *
748 * PARAMETER(S):
749 * [I] infoPtr : the header that wants to send the notify
750 * [O] dest : The buffer to store the HDITEM for notify. It may be set to a HDITEMA of HDITEMW
751 * [I] src : The source HDITEM. It may be a HDITEMA or HDITEMW
752 * [I] fSourceUnicode : is src a HDITEMW or HDITEMA
753 * [O] ppvScratch : a pointer to a scratch buffer that needs to be freed after
754 * the HDITEM is no longer in use or NULL if none was needed
755 *
756 * NOTE: We depend on HDITEMA and HDITEMW having the same structure
757 */
758 static void HEADER_CopyHDItemForNotify(const HEADER_INFO *infoPtr, HDITEMW *dest,
759 const HDITEMW *src, BOOL fSourceUnicode, LPVOID *ppvScratch)
760 {
761 *ppvScratch = NULL;
762 *dest = *src;
763
764 if (src->mask & HDI_TEXT && src->pszText != LPSTR_TEXTCALLBACKW) /* covers TEXTCALLBACKA as well */
765 {
766 if (fSourceUnicode && infoPtr->nNotifyFormat != NFR_UNICODE)
767 {
768 dest->pszText = NULL;
769 Str_SetPtrWtoA((LPSTR *)&dest->pszText, src->pszText);
770 *ppvScratch = dest->pszText;
771 }
772
773 if (!fSourceUnicode && infoPtr->nNotifyFormat == NFR_UNICODE)
774 {
775 dest->pszText = NULL;
776 Str_SetPtrAtoW(&dest->pszText, (LPSTR)src->pszText);
777 *ppvScratch = dest->pszText;
778 }
779 }
780 }
781
782 static UINT HEADER_NotifyCodeWtoA(UINT code)
783 {
784 /* we use the fact that all the unicode messages are in HDN_FIRST_UNICODE..HDN_LAST*/
785 if (code >= HDN_LAST && code <= HDN_FIRST_UNICODE)
786 return code + HDN_UNICODE_OFFSET;
787 else
788 return code;
789 }
790
791 static LRESULT
792 HEADER_SendNotify(const HEADER_INFO *infoPtr, UINT code, NMHDR *nmhdr)
793 {
794 nmhdr->hwndFrom = infoPtr->hwndSelf;
795 nmhdr->idFrom = GetWindowLongPtrW (infoPtr->hwndSelf, GWLP_ID);
796 nmhdr->code = code;
797
798 return SendMessageW(infoPtr->hwndNotify, WM_NOTIFY,
799 nmhdr->idFrom, (LPARAM)nmhdr);
800 }
801
802 static BOOL
803 HEADER_SendSimpleNotify (const HEADER_INFO *infoPtr, UINT code)
804 {
805 NMHDR nmhdr;
806 return (BOOL)HEADER_SendNotify(infoPtr, code, &nmhdr);
807 }
808
809 static LRESULT
810 HEADER_SendCtrlCustomDraw(const HEADER_INFO *infoPtr, DWORD dwDrawStage, HDC hdc, const RECT *rect)
811 {
812 NMCUSTOMDRAW nm;
813 nm.dwDrawStage = dwDrawStage;
814 nm.hdc = hdc;
815 nm.rc = *rect;
816 nm.dwItemSpec = 0;
817 nm.uItemState = 0;
818 nm.lItemlParam = 0;
819
820 return HEADER_SendNotify(infoPtr, NM_CUSTOMDRAW, (NMHDR *)&nm);
821 }
822
823 static BOOL
824 HEADER_SendNotifyWithHDItemT(const HEADER_INFO *infoPtr, UINT code, INT iItem, HDITEMW *lpItem)
825 {
826 NMHEADERW nmhdr;
827
828 if (infoPtr->nNotifyFormat != NFR_UNICODE)
829 code = HEADER_NotifyCodeWtoA(code);
830 nmhdr.iItem = iItem;
831 nmhdr.iButton = 0;
832 nmhdr.pitem = lpItem;
833
834 return (BOOL)HEADER_SendNotify(infoPtr, code, (NMHDR *)&nmhdr);
835 }
836
837 static BOOL
838 HEADER_SendNotifyWithIntFieldT(const HEADER_INFO *infoPtr, UINT code, INT iItem, INT mask, INT iValue)
839 {
840 HDITEMW nmitem;
841
842 /* copying only the iValue should be ok but to make the code more robust we copy everything */
843 nmitem.cxy = infoPtr->items[iItem].cxy;
844 nmitem.hbm = infoPtr->items[iItem].hbm;
845 nmitem.pszText = NULL;
846 nmitem.cchTextMax = 0;
847 nmitem.fmt = infoPtr->items[iItem].fmt;
848 nmitem.lParam = infoPtr->items[iItem].lParam;
849 nmitem.iOrder = infoPtr->items[iItem].iOrder;
850 nmitem.iImage = infoPtr->items[iItem].iImage;
851
852 nmitem.mask = mask;
853 switch (mask)
854 {
855 case HDI_WIDTH:
856 nmitem.cxy = iValue;
857 break;
858 case HDI_ORDER:
859 nmitem.iOrder = iValue;
860 break;
861 default:
862 ERR("invalid mask value 0x%x\n", iValue);
863 }
864
865 return HEADER_SendNotifyWithHDItemT(infoPtr, code, iItem, &nmitem);
866 }
867
868 /**
869 * Prepare callback items
870 * depends on NMHDDISPINFOW having same structure as NMHDDISPINFOA
871 * (so we handle the two cases only doing a specific cast for pszText).
872 * Checks if any of the required field are callback. If there are sends a
873 * NMHDISPINFO notify to retrieve these items. The items are stored in the
874 * HEADER_ITEM pszText and iImage fields. They should be freed with
875 * HEADER_FreeCallbackItems.
876 *
877 * @param hwnd : hwnd header container handler
878 * @param iItem : the header item id
879 * @param reqMask : required fields. If any of them is callback this function will fetch it
880 *
881 * @return TRUE on success, else FALSE
882 */
883 static BOOL
884 HEADER_PrepareCallbackItems(const HEADER_INFO *infoPtr, INT iItem, INT reqMask)
885 {
886 HEADER_ITEM *lpItem = &infoPtr->items[iItem];
887 DWORD mask = reqMask & lpItem->callbackMask;
888 NMHDDISPINFOW dispInfo;
889 void *pvBuffer = NULL;
890
891 if (mask == 0)
892 return TRUE;
893 if (mask&HDI_TEXT && lpItem->pszText != NULL)
894 {
895 ERR("(): function called without a call to FreeCallbackItems\n");
896 Free(lpItem->pszText);
897 lpItem->pszText = NULL;
898 }
899
900 memset(&dispInfo, 0, sizeof(NMHDDISPINFOW));
901 dispInfo.hdr.hwndFrom = infoPtr->hwndSelf;
902 dispInfo.hdr.idFrom = GetWindowLongPtrW (infoPtr->hwndSelf, GWLP_ID);
903 if (infoPtr->nNotifyFormat == NFR_UNICODE)
904 {
905 dispInfo.hdr.code = HDN_GETDISPINFOW;
906 if (mask & HDI_TEXT)
907 pvBuffer = Alloc(MAX_HEADER_TEXT_LEN * sizeof(WCHAR));
908 }
909 else
910 {
911 dispInfo.hdr.code = HDN_GETDISPINFOA;
912 if (mask & HDI_TEXT)
913 pvBuffer = Alloc(MAX_HEADER_TEXT_LEN * sizeof(CHAR));
914 }
915 dispInfo.pszText = pvBuffer;
916 dispInfo.cchTextMax = (pvBuffer!=NULL?MAX_HEADER_TEXT_LEN:0);
917 dispInfo.iItem = iItem;
918 dispInfo.mask = mask;
919 dispInfo.lParam = lpItem->lParam;
920
921 TRACE("Sending HDN_GETDISPINFO%c\n", infoPtr->nNotifyFormat == NFR_UNICODE?'W':'A');
922 SendMessageW(infoPtr->hwndNotify, WM_NOTIFY, dispInfo.hdr.idFrom, (LPARAM)&dispInfo);
923
924 TRACE("SendMessage returns(mask:0x%x,str:%s,lParam:%p)\n",
925 dispInfo.mask,
926 (infoPtr->nNotifyFormat == NFR_UNICODE ? debugstr_w(dispInfo.pszText) : (LPSTR) dispInfo.pszText),
927 (void*) dispInfo.lParam);
928
929 if (mask & HDI_IMAGE)
930 lpItem->iImage = dispInfo.iImage;
931 if (mask & HDI_TEXT)
932 {
933 if (infoPtr->nNotifyFormat == NFR_UNICODE)
934 {
935 lpItem->pszText = pvBuffer;
936
937 /* the user might have used his own buffer */
938 if (dispInfo.pszText != lpItem->pszText)
939 Str_GetPtrW(dispInfo.pszText, lpItem->pszText, MAX_HEADER_TEXT_LEN);
940 }
941 else
942 {
943 Str_SetPtrAtoW(&lpItem->pszText, (LPSTR)dispInfo.pszText);
944 Free(pvBuffer);
945 }
946 }
947
948 if (dispInfo.mask & HDI_DI_SETITEM)
949 {
950 /* make the items permanent */
951 lpItem->callbackMask &= ~dispInfo.mask;
952 }
953
954 return TRUE;
955 }
956
957 /***
958 * DESCRIPTION:
959 * Free the items that might be allocated with HEADER_PrepareCallbackItems
960 *
961 * PARAMETER(S):
962 * [I] lpItem : the item to free the data
963 *
964 */
965 static void
966 HEADER_FreeCallbackItems(HEADER_ITEM *lpItem)
967 {
968 if (lpItem->callbackMask&HDI_TEXT)
969 {
970 Free(lpItem->pszText);
971 lpItem->pszText = NULL;
972 }
973
974 if (lpItem->callbackMask&HDI_IMAGE)
975 lpItem->iImage = I_IMAGECALLBACK;
976 }
977
978 static LRESULT
979 HEADER_CreateDragImage (HEADER_INFO *infoPtr, INT iItem)
980 {
981 HEADER_ITEM *lpItem;
982 HIMAGELIST himl;
983 HBITMAP hMemory, hOldBitmap;
984 LRESULT lCDFlags;
985 RECT rc;
986 HDC hMemoryDC;
987 HDC hDeviceDC;
988 int height, width;
989 HFONT hFont;
990
991 if (iItem >= infoPtr->uNumItem)
992 return FALSE;
993
994 if (!infoPtr->bRectsValid)
995 HEADER_SetItemBounds(infoPtr);
996
997 lpItem = &infoPtr->items[iItem];
998 width = lpItem->rect.right - lpItem->rect.left;
999 height = lpItem->rect.bottom - lpItem->rect.top;
1000
1001 hDeviceDC = GetDC(NULL);
1002 hMemoryDC = CreateCompatibleDC(hDeviceDC);
1003 hMemory = CreateCompatibleBitmap(hDeviceDC, width, height);
1004 ReleaseDC(NULL, hDeviceDC);
1005 hOldBitmap = SelectObject(hMemoryDC, hMemory);
1006 SetViewportOrgEx(hMemoryDC, -lpItem->rect.left, -lpItem->rect.top, NULL);
1007 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject(SYSTEM_FONT);
1008 SelectObject(hMemoryDC, hFont);
1009
1010 GetClientRect(infoPtr->hwndSelf, &rc);
1011 lCDFlags = HEADER_SendCtrlCustomDraw(infoPtr, CDDS_PREPAINT, hMemoryDC, &rc);
1012 HEADER_DrawItem(infoPtr, hMemoryDC, iItem, FALSE, lCDFlags);
1013 if (lCDFlags & CDRF_NOTIFYPOSTPAINT)
1014 HEADER_SendCtrlCustomDraw(infoPtr, CDDS_POSTPAINT, hMemoryDC, &rc);
1015
1016 hMemory = SelectObject(hMemoryDC, hOldBitmap);
1017 DeleteDC(hMemoryDC);
1018
1019 if (hMemory == NULL) /* if anything failed */
1020 return FALSE;
1021
1022 himl = ImageList_Create(width, height, ILC_COLORDDB, 1, 1);
1023 ImageList_Add(himl, hMemory, NULL);
1024 DeleteObject(hMemory);
1025 return (LRESULT)himl;
1026 }
1027
1028 static LRESULT
1029 HEADER_SetHotDivider(HEADER_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
1030 {
1031 INT iDivider;
1032 RECT r;
1033
1034 if (wParam)
1035 {
1036 POINT pt;
1037 UINT flags;
1038 pt.x = (INT)(SHORT)LOWORD(lParam);
1039 pt.y = 0;
1040 HEADER_InternalHitTest (infoPtr, &pt, &flags, &iDivider);
1041
1042 if (flags & HHT_TOLEFT)
1043 iDivider = 0;
1044 else if (flags & HHT_NOWHERE || flags & HHT_TORIGHT)
1045 iDivider = infoPtr->uNumItem;
1046 else
1047 {
1048 HEADER_ITEM *lpItem = &infoPtr->items[iDivider];
1049 if (pt.x > (lpItem->rect.left+lpItem->rect.right)/2)
1050 iDivider = HEADER_NextItem(infoPtr, iDivider);
1051 }
1052 }
1053 else
1054 iDivider = (INT)lParam;
1055
1056 /* Note; wParam==FALSE, lParam==-1 is valid and is used to clear the hot divider */
1057 if (iDivider<-1 || iDivider>(int)infoPtr->uNumItem)
1058 return iDivider;
1059
1060 if (iDivider != infoPtr->iHotDivider)
1061 {
1062 if (infoPtr->iHotDivider != -1)
1063 {
1064 HEADER_GetHotDividerRect(infoPtr, &r);
1065 InvalidateRect(infoPtr->hwndSelf, &r, FALSE);
1066 }
1067 infoPtr->iHotDivider = iDivider;
1068 if (iDivider != -1)
1069 {
1070 HEADER_GetHotDividerRect(infoPtr, &r);
1071 InvalidateRect(infoPtr->hwndSelf, &r, FALSE);
1072 }
1073 }
1074 return iDivider;
1075 }
1076
1077 static LRESULT
1078 HEADER_DeleteItem (HEADER_INFO *infoPtr, INT iItem)
1079 {
1080 INT iOrder;
1081 UINT i;
1082
1083 TRACE("[iItem=%d]\n", iItem);
1084
1085 if ((iItem < 0) || (iItem >= (INT)infoPtr->uNumItem))
1086 return FALSE;
1087
1088 for (i = 0; i < infoPtr->uNumItem; i++)
1089 TRACE("%d: order=%d, iOrder=%d, ->iOrder=%d\n", i, infoPtr->order[i], infoPtr->items[i].iOrder, infoPtr->items[infoPtr->order[i]].iOrder);
1090
1091 iOrder = infoPtr->items[iItem].iOrder;
1092 Free(infoPtr->items[iItem].pszText);
1093
1094 infoPtr->uNumItem--;
1095 memmove(&infoPtr->items[iItem], &infoPtr->items[iItem + 1],
1096 (infoPtr->uNumItem - iItem) * sizeof(HEADER_ITEM));
1097 memmove(&infoPtr->order[iOrder], &infoPtr->order[iOrder + 1],
1098 (infoPtr->uNumItem - iOrder) * sizeof(INT));
1099 infoPtr->items = ReAlloc(infoPtr->items, sizeof(HEADER_ITEM) * infoPtr->uNumItem);
1100 infoPtr->order = ReAlloc(infoPtr->order, sizeof(INT) * infoPtr->uNumItem);
1101
1102 /* Correct the orders */
1103 for (i = 0; i < infoPtr->uNumItem; i++)
1104 {
1105 if (infoPtr->order[i] > iItem)
1106 infoPtr->order[i]--;
1107 if (i >= iOrder)
1108 infoPtr->items[infoPtr->order[i]].iOrder = i;
1109 }
1110 for (i = 0; i < infoPtr->uNumItem; i++)
1111 TRACE("%d: order=%d, iOrder=%d, ->iOrder=%d\n", i, infoPtr->order[i], infoPtr->items[i].iOrder, infoPtr->items[infoPtr->order[i]].iOrder);
1112
1113 HEADER_SetItemBounds (infoPtr);
1114 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1115
1116 return TRUE;
1117 }
1118
1119
1120 static LRESULT
1121 HEADER_GetImageList (const HEADER_INFO *infoPtr)
1122 {
1123 return (LRESULT)infoPtr->himl;
1124 }
1125
1126
1127 static LRESULT
1128 HEADER_GetItemT (const HEADER_INFO *infoPtr, INT nItem, LPHDITEMW phdi, BOOL bUnicode)
1129 {
1130 HEADER_ITEM *lpItem;
1131 UINT mask;
1132
1133 if (!phdi)
1134 return FALSE;
1135
1136 TRACE("[nItem=%d]\n", nItem);
1137
1138 mask = phdi->mask;
1139 if (mask == 0)
1140 return TRUE;
1141
1142 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
1143 return FALSE;
1144
1145 if (mask & HDI_UNKNOWN_FIELDS)
1146 {
1147 TRACE("mask %x contains unknown fields. Using only comctl32 4.0 fields\n", mask);
1148 mask &= HDI_COMCTL32_4_0_FIELDS;
1149 }
1150
1151 lpItem = &infoPtr->items[nItem];
1152 HEADER_PrepareCallbackItems(infoPtr, nItem, mask);
1153
1154 if (mask & HDI_BITMAP)
1155 phdi->hbm = lpItem->hbm;
1156
1157 if (mask & HDI_FORMAT)
1158 phdi->fmt = lpItem->fmt;
1159
1160 if (mask & HDI_WIDTH)
1161 phdi->cxy = lpItem->cxy;
1162
1163 if (mask & HDI_LPARAM)
1164 phdi->lParam = lpItem->lParam;
1165
1166 if (mask & HDI_IMAGE)
1167 phdi->iImage = lpItem->iImage;
1168
1169 if (mask & HDI_ORDER)
1170 phdi->iOrder = lpItem->iOrder;
1171
1172 if (mask & HDI_TEXT)
1173 {
1174 if (bUnicode)
1175 Str_GetPtrW (lpItem->pszText, phdi->pszText, phdi->cchTextMax);
1176 else
1177 Str_GetPtrWtoA (lpItem->pszText, (LPSTR)phdi->pszText, phdi->cchTextMax);
1178 }
1179
1180 HEADER_FreeCallbackItems(lpItem);
1181 return TRUE;
1182 }
1183
1184
1185 static inline LRESULT
1186 HEADER_GetItemCount (const HEADER_INFO *infoPtr)
1187 {
1188 return infoPtr->uNumItem;
1189 }
1190
1191
1192 static LRESULT
1193 HEADER_GetItemRect (const HEADER_INFO *infoPtr, INT iItem, LPRECT lpRect)
1194 {
1195 if ((iItem < 0) || (iItem >= (INT)infoPtr->uNumItem))
1196 return FALSE;
1197
1198 lpRect->left = infoPtr->items[iItem].rect.left;
1199 lpRect->right = infoPtr->items[iItem].rect.right;
1200 lpRect->top = infoPtr->items[iItem].rect.top;
1201 lpRect->bottom = infoPtr->items[iItem].rect.bottom;
1202
1203 return TRUE;
1204 }
1205
1206
1207 static LRESULT
1208 HEADER_GetOrderArray(const HEADER_INFO *infoPtr, INT size, LPINT order)
1209 {
1210 if ((UINT)size <infoPtr->uNumItem)
1211 return FALSE;
1212
1213 memcpy(order, infoPtr->order, infoPtr->uNumItem * sizeof(INT));
1214 return TRUE;
1215 }
1216
1217 /* Returns index of first duplicate 'value' from [0,to) range,
1218 or -1 if there isn't any */
1219 static INT has_duplicate(INT *array, INT to, INT value)
1220 {
1221 INT i;
1222 for(i = 0; i < to; i++)
1223 if (array[i] == value) return i;
1224 return -1;
1225 }
1226
1227 /* returns next available value from [0,max] not to duplicate in [0,to) */
1228 static INT get_nextvalue(INT *array, INT to, INT max)
1229 {
1230 INT i;
1231 for(i = 0; i < max; i++)
1232 if (has_duplicate(array, to, i) == -1) return i;
1233 return 0;
1234 }
1235
1236 static LRESULT
1237 HEADER_SetOrderArray(HEADER_INFO *infoPtr, INT size, const INT *order)
1238 {
1239 HEADER_ITEM *lpItem;
1240 INT i;
1241
1242 if ((UINT)size != infoPtr->uNumItem)
1243 return FALSE;
1244
1245 for (i=0; i<size; i++)
1246 {
1247 if (order[i] >= size || order[i] < 0)
1248 /* on invalid index get next available */
1249 /* FIXME: if i==0 array item is out of range behaviour is
1250 different, see tests */
1251 infoPtr->order[i] = get_nextvalue(infoPtr->order, i, size);
1252 else
1253 {
1254 INT j, dup;
1255
1256 infoPtr->order[i] = order[i];
1257 j = i;
1258 /* remove duplicates */
1259 while ((dup = has_duplicate(infoPtr->order, j, order[j])) != -1)
1260 {
1261 INT next;
1262
1263 next = get_nextvalue(infoPtr->order, j, size);
1264 infoPtr->order[dup] = next;
1265 j--;
1266 }
1267 }
1268 }
1269 /* sync with item data */
1270 for (i=0; i<size; i++)
1271 {
1272 lpItem = &infoPtr->items[infoPtr->order[i]];
1273 lpItem->iOrder = i;
1274 }
1275 HEADER_SetItemBounds(infoPtr);
1276 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1277 return TRUE;
1278 }
1279
1280 static inline LRESULT
1281 HEADER_GetUnicodeFormat (const HEADER_INFO *infoPtr)
1282 {
1283 return (infoPtr->nNotifyFormat == NFR_UNICODE);
1284 }
1285
1286
1287 static LRESULT
1288 HEADER_HitTest (const HEADER_INFO *infoPtr, LPHDHITTESTINFO phti)
1289 {
1290 UINT outside = HHT_NOWHERE | HHT_ABOVE | HHT_BELOW | HHT_TOLEFT | HHT_TORIGHT;
1291
1292 HEADER_InternalHitTest (infoPtr, &phti->pt, &phti->flags, &phti->iItem);
1293
1294 if (phti->flags & outside)
1295 return phti->iItem = -1;
1296 else
1297 return phti->iItem;
1298 }
1299
1300
1301 static LRESULT
1302 HEADER_InsertItemT (HEADER_INFO *infoPtr, INT nItem, const HDITEMW *phdi, BOOL bUnicode)
1303 {
1304 HEADER_ITEM *lpItem;
1305 INT iOrder;
1306 UINT i;
1307 UINT copyMask;
1308
1309 if ((phdi == NULL) || (nItem < 0) || (phdi->mask == 0))
1310 return -1;
1311
1312 if (nItem > infoPtr->uNumItem)
1313 nItem = infoPtr->uNumItem;
1314
1315 iOrder = (phdi->mask & HDI_ORDER) ? phdi->iOrder : nItem;
1316 if (iOrder < 0)
1317 iOrder = 0;
1318 else if (infoPtr->uNumItem < iOrder)
1319 iOrder = infoPtr->uNumItem;
1320
1321 infoPtr->uNumItem++;
1322 infoPtr->items = ReAlloc(infoPtr->items, sizeof(HEADER_ITEM) * infoPtr->uNumItem);
1323 infoPtr->order = ReAlloc(infoPtr->order, sizeof(INT) * infoPtr->uNumItem);
1324
1325 /* make space for the new item */
1326 memmove(&infoPtr->items[nItem + 1], &infoPtr->items[nItem],
1327 (infoPtr->uNumItem - nItem - 1) * sizeof(HEADER_ITEM));
1328 memmove(&infoPtr->order[iOrder + 1], &infoPtr->order[iOrder],
1329 (infoPtr->uNumItem - iOrder - 1) * sizeof(INT));
1330
1331 /* update the order array */
1332 infoPtr->order[iOrder] = nItem;
1333 for (i = 0; i < infoPtr->uNumItem; i++)
1334 {
1335 if (i != iOrder && infoPtr->order[i] >= nItem)
1336 infoPtr->order[i]++;
1337 infoPtr->items[infoPtr->order[i]].iOrder = i;
1338 }
1339
1340 lpItem = &infoPtr->items[nItem];
1341 ZeroMemory(lpItem, sizeof(HEADER_ITEM));
1342 /* cxy, fmt and lParam are copied even if not in the HDITEM mask */
1343 copyMask = phdi->mask | HDI_WIDTH | HDI_FORMAT | HDI_LPARAM;
1344 HEADER_StoreHDItemInHeader(lpItem, copyMask, phdi, bUnicode);
1345 lpItem->iOrder = iOrder;
1346
1347 /* set automatically some format bits */
1348 if (phdi->mask & HDI_TEXT)
1349 lpItem->fmt |= HDF_STRING;
1350 else
1351 lpItem->fmt &= ~HDF_STRING;
1352
1353 if (lpItem->hbm != NULL)
1354 lpItem->fmt |= HDF_BITMAP;
1355 else
1356 lpItem->fmt &= ~HDF_BITMAP;
1357
1358 if (phdi->mask & HDI_IMAGE)
1359 lpItem->fmt |= HDF_IMAGE;
1360
1361 HEADER_SetItemBounds (infoPtr);
1362 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1363
1364 return nItem;
1365 }
1366
1367
1368 static LRESULT
1369 HEADER_Layout (HEADER_INFO *infoPtr, LPHDLAYOUT lpLayout)
1370 {
1371 lpLayout->pwpos->hwnd = infoPtr->hwndSelf;
1372 lpLayout->pwpos->hwndInsertAfter = 0;
1373 lpLayout->pwpos->x = lpLayout->prc->left;
1374 lpLayout->pwpos->y = lpLayout->prc->top;
1375 lpLayout->pwpos->cx = lpLayout->prc->right - lpLayout->prc->left;
1376 if (infoPtr->dwStyle & HDS_HIDDEN)
1377 lpLayout->pwpos->cy = 0;
1378 else {
1379 lpLayout->pwpos->cy = infoPtr->nHeight;
1380 lpLayout->prc->top += infoPtr->nHeight;
1381 }
1382 lpLayout->pwpos->flags = SWP_NOZORDER;
1383
1384 TRACE("Layout x=%d y=%d cx=%d cy=%d\n",
1385 lpLayout->pwpos->x, lpLayout->pwpos->y,
1386 lpLayout->pwpos->cx, lpLayout->pwpos->cy);
1387
1388 infoPtr->bRectsValid = FALSE;
1389
1390 return TRUE;
1391 }
1392
1393
1394 static LRESULT
1395 HEADER_SetImageList (HEADER_INFO *infoPtr, HIMAGELIST himl)
1396 {
1397 HIMAGELIST himlOld;
1398
1399 TRACE("(himl %p)\n", himl);
1400 himlOld = infoPtr->himl;
1401 infoPtr->himl = himl;
1402
1403 /* FIXME: Refresh needed??? */
1404
1405 return (LRESULT)himlOld;
1406 }
1407
1408
1409 static LRESULT
1410 HEADER_GetBitmapMargin(const HEADER_INFO *infoPtr)
1411 {
1412 return infoPtr->iMargin;
1413 }
1414
1415 static LRESULT
1416 HEADER_SetBitmapMargin(HEADER_INFO *infoPtr, INT iMargin)
1417 {
1418 INT oldMargin = infoPtr->iMargin;
1419
1420 infoPtr->iMargin = iMargin;
1421
1422 return oldMargin;
1423 }
1424
1425 static LRESULT
1426 HEADER_SetItemT (HEADER_INFO *infoPtr, INT nItem, const HDITEMW *phdi, BOOL bUnicode)
1427 {
1428 HEADER_ITEM *lpItem;
1429 HDITEMW hdNotify;
1430 void *pvScratch;
1431
1432 if (phdi == NULL)
1433 return FALSE;
1434 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
1435 return FALSE;
1436
1437 TRACE("[nItem=%d]\n", nItem);
1438
1439 HEADER_CopyHDItemForNotify(infoPtr, &hdNotify, phdi, bUnicode, &pvScratch);
1440 if (HEADER_SendNotifyWithHDItemT(infoPtr, HDN_ITEMCHANGINGW, nItem, &hdNotify))
1441 {
1442 Free(pvScratch);
1443 return FALSE;
1444 }
1445
1446 lpItem = &infoPtr->items[nItem];
1447 HEADER_StoreHDItemInHeader(lpItem, phdi->mask, phdi, bUnicode);
1448
1449 if (phdi->mask & HDI_ORDER)
1450 if (phdi->iOrder >= 0 && phdi->iOrder < infoPtr->uNumItem)
1451 HEADER_ChangeItemOrder(infoPtr, nItem, phdi->iOrder);
1452
1453 HEADER_SendNotifyWithHDItemT(infoPtr, HDN_ITEMCHANGEDW, nItem, &hdNotify);
1454
1455 HEADER_SetItemBounds (infoPtr);
1456
1457 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1458
1459 Free(pvScratch);
1460 return TRUE;
1461 }
1462
1463 static inline LRESULT
1464 HEADER_SetUnicodeFormat (HEADER_INFO *infoPtr, WPARAM wParam)
1465 {
1466 BOOL bTemp = (infoPtr->nNotifyFormat == NFR_UNICODE);
1467
1468 infoPtr->nNotifyFormat = ((BOOL)wParam ? NFR_UNICODE : NFR_ANSI);
1469
1470 return bTemp;
1471 }
1472
1473
1474 static LRESULT
1475 HEADER_Create (HWND hwnd, const CREATESTRUCTW *lpcs)
1476 {
1477 HEADER_INFO *infoPtr;
1478 TEXTMETRICW tm;
1479 HFONT hOldFont;
1480 HDC hdc;
1481
1482 infoPtr = Alloc (sizeof(HEADER_INFO));
1483 SetWindowLongPtrW (hwnd, 0, (DWORD_PTR)infoPtr);
1484
1485 infoPtr->hwndSelf = hwnd;
1486 infoPtr->hwndNotify = lpcs->hwndParent;
1487 infoPtr->uNumItem = 0;
1488 infoPtr->hFont = 0;
1489 infoPtr->items = 0;
1490 infoPtr->order = 0;
1491 infoPtr->bRectsValid = FALSE;
1492 infoPtr->hcurArrow = LoadCursorW (0, (LPWSTR)IDC_ARROW);
1493 infoPtr->hcurDivider = LoadCursorW (COMCTL32_hModule, MAKEINTRESOURCEW(IDC_DIVIDER));
1494 infoPtr->hcurDivopen = LoadCursorW (COMCTL32_hModule, MAKEINTRESOURCEW(IDC_DIVIDEROPEN));
1495 infoPtr->bPressed = FALSE;
1496 infoPtr->bTracking = FALSE;
1497 infoPtr->dwStyle = lpcs->style;
1498 infoPtr->iMoveItem = 0;
1499 infoPtr->himl = 0;
1500 infoPtr->iHotItem = -1;
1501 infoPtr->iHotDivider = -1;
1502 infoPtr->iMargin = 3*GetSystemMetrics(SM_CXEDGE);
1503 infoPtr->nNotifyFormat =
1504 SendMessageW (infoPtr->hwndNotify, WM_NOTIFYFORMAT, (WPARAM)hwnd, NF_QUERY);
1505
1506 hdc = GetDC (0);
1507 hOldFont = SelectObject (hdc, GetStockObject (SYSTEM_FONT));
1508 GetTextMetricsW (hdc, &tm);
1509 infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
1510 SelectObject (hdc, hOldFont);
1511 ReleaseDC (0, hdc);
1512
1513 OpenThemeData(hwnd, themeClass);
1514
1515 return 0;
1516 }
1517
1518
1519 static LRESULT
1520 HEADER_Destroy (HEADER_INFO *infoPtr)
1521 {
1522 HTHEME theme = GetWindowTheme(infoPtr->hwndSelf);
1523 CloseThemeData(theme);
1524 return 0;
1525 }
1526
1527 static LRESULT
1528 HEADER_NCDestroy (HEADER_INFO *infoPtr)
1529 {
1530 HEADER_ITEM *lpItem;
1531 INT nItem;
1532
1533 if (infoPtr->items) {
1534 lpItem = infoPtr->items;
1535 for (nItem = 0; nItem < infoPtr->uNumItem; nItem++, lpItem++) {
1536 Free(lpItem->pszText);
1537 }
1538 Free (infoPtr->items);
1539 }
1540
1541 Free(infoPtr->order);
1542
1543 if (infoPtr->himl)
1544 ImageList_Destroy (infoPtr->himl);
1545
1546 SetWindowLongPtrW (infoPtr->hwndSelf, 0, 0);
1547 Free (infoPtr);
1548
1549 return 0;
1550 }
1551
1552
1553 static inline LRESULT
1554 HEADER_GetFont (const HEADER_INFO *infoPtr)
1555 {
1556 return (LRESULT)infoPtr->hFont;
1557 }
1558
1559
1560 static BOOL
1561 HEADER_IsDragDistance(const HEADER_INFO *infoPtr, const POINT *pt)
1562 {
1563 /* Windows allows for a mouse movement before starting the drag. We use the
1564 * SM_CXDOUBLECLICK/SM_CYDOUBLECLICK as that distance.
1565 */
1566 return (abs(infoPtr->ptLButtonDown.x - pt->x)>GetSystemMetrics(SM_CXDOUBLECLK) ||
1567 abs(infoPtr->ptLButtonDown.y - pt->y)>GetSystemMetrics(SM_CYDOUBLECLK));
1568 }
1569
1570 static LRESULT
1571 HEADER_LButtonDblClk (const HEADER_INFO *infoPtr, INT x, INT y)
1572 {
1573 POINT pt;
1574 UINT flags;
1575 INT nItem;
1576
1577 pt.x = x;
1578 pt.y = y;
1579 HEADER_InternalHitTest (infoPtr, &pt, &flags, &nItem);
1580
1581 if ((infoPtr->dwStyle & HDS_BUTTONS) && (flags == HHT_ONHEADER))
1582 HEADER_SendNotifyWithHDItemT(infoPtr, HDN_ITEMDBLCLICKW, nItem, NULL);
1583 else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN))
1584 HEADER_SendNotifyWithHDItemT(infoPtr, HDN_DIVIDERDBLCLICKW, nItem, NULL);
1585
1586 return 0;
1587 }
1588
1589
1590 static LRESULT
1591 HEADER_LButtonDown (HEADER_INFO *infoPtr, INT x, INT y)
1592 {
1593 POINT pt;
1594 UINT flags;
1595 INT nItem;
1596 HDC hdc;
1597
1598 pt.x = x;
1599 pt.y = y;
1600 HEADER_InternalHitTest (infoPtr, &pt, &flags, &nItem);
1601
1602 if ((infoPtr->dwStyle & HDS_BUTTONS) && (flags == HHT_ONHEADER)) {
1603 SetCapture (infoPtr->hwndSelf);
1604 infoPtr->bCaptured = TRUE;
1605 infoPtr->bPressed = TRUE;
1606 infoPtr->bDragging = FALSE;
1607 infoPtr->iMoveItem = nItem;
1608 infoPtr->ptLButtonDown = pt;
1609
1610 infoPtr->items[nItem].bDown = TRUE;
1611
1612 /* Send WM_CUSTOMDRAW */
1613 hdc = GetDC (infoPtr->hwndSelf);
1614 HEADER_RefreshItem (infoPtr, nItem);
1615 ReleaseDC (infoPtr->hwndSelf, hdc);
1616
1617 TRACE("Pressed item %d!\n", nItem);
1618 }
1619 else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN)) {
1620 INT iCurrWidth = infoPtr->items[nItem].cxy;
1621 if (!HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_BEGINTRACKW, nItem, HDI_WIDTH, iCurrWidth))
1622 {
1623 SetCapture (infoPtr->hwndSelf);
1624 infoPtr->bCaptured = TRUE;
1625 infoPtr->bTracking = TRUE;
1626 infoPtr->iMoveItem = nItem;
1627 infoPtr->xTrackOffset = infoPtr->items[nItem].rect.right - pt.x;
1628
1629 if (!(infoPtr->dwStyle & HDS_FULLDRAG)) {
1630 infoPtr->xOldTrack = infoPtr->items[nItem].rect.right;
1631 hdc = GetDC (infoPtr->hwndSelf);
1632 HEADER_DrawTrackLine (infoPtr, hdc, infoPtr->xOldTrack);
1633 ReleaseDC (infoPtr->hwndSelf, hdc);
1634 }
1635
1636 TRACE("Begin tracking item %d!\n", nItem);
1637 }
1638 }
1639
1640 return 0;
1641 }
1642
1643
1644 static LRESULT
1645 HEADER_LButtonUp (HEADER_INFO *infoPtr, INT x, INT y)
1646 {
1647 POINT pt;
1648 UINT flags;
1649 INT nItem;
1650 HDC hdc;
1651
1652 pt.x = x;
1653 pt.y = y;
1654 HEADER_InternalHitTest (infoPtr, &pt, &flags, &nItem);
1655
1656 if (infoPtr->bPressed) {
1657
1658 infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
1659
1660 if (infoPtr->bDragging)
1661 {
1662 HEADER_ITEM *lpItem = &infoPtr->items[infoPtr->iMoveItem];
1663 INT iNewOrder;
1664
1665 ImageList_DragShowNolock(FALSE);
1666 ImageList_EndDrag();
1667
1668 if (infoPtr->iHotDivider == -1)
1669 iNewOrder = -1;
1670 else if (infoPtr->iHotDivider == infoPtr->uNumItem)
1671 iNewOrder = infoPtr->uNumItem-1;
1672 else
1673 {
1674 iNewOrder = HEADER_IndexToOrder(infoPtr, infoPtr->iHotDivider);
1675 if (iNewOrder > lpItem->iOrder)
1676 iNewOrder--;
1677 }
1678
1679 if (iNewOrder != -1 &&
1680 !HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ENDDRAG, infoPtr->iMoveItem, HDI_ORDER, iNewOrder))
1681 {
1682 HEADER_ChangeItemOrder(infoPtr, infoPtr->iMoveItem, iNewOrder);
1683 infoPtr->bRectsValid = FALSE;
1684 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1685 }
1686 else
1687 InvalidateRect(infoPtr->hwndSelf, &infoPtr->items[infoPtr->iMoveItem].rect, FALSE);
1688
1689 infoPtr->bDragging = FALSE;
1690 HEADER_SetHotDivider(infoPtr, FALSE, -1);
1691 }
1692 else
1693 {
1694 hdc = GetDC (infoPtr->hwndSelf);
1695 HEADER_RefreshItem (infoPtr, infoPtr->iMoveItem);
1696 ReleaseDC (infoPtr->hwndSelf, hdc);
1697
1698 if (!(infoPtr->dwStyle & HDS_DRAGDROP) || !HEADER_IsDragDistance(infoPtr, &pt))
1699 HEADER_SendNotifyWithHDItemT(infoPtr, HDN_ITEMCLICKW, infoPtr->iMoveItem, NULL);
1700 }
1701
1702 TRACE("Released item %d!\n", infoPtr->iMoveItem);
1703 infoPtr->bPressed = FALSE;
1704 }
1705 else if (infoPtr->bTracking) {
1706 INT iNewWidth = pt.x - infoPtr->items[infoPtr->iMoveItem].rect.left + infoPtr->xTrackOffset;
1707 if (iNewWidth < 0)
1708 iNewWidth = 0;
1709 TRACE("End tracking item %d!\n", infoPtr->iMoveItem);
1710 infoPtr->bTracking = FALSE;
1711
1712 HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ENDTRACKW, infoPtr->iMoveItem, HDI_WIDTH, iNewWidth);
1713
1714 if (!(infoPtr->dwStyle & HDS_FULLDRAG)) {
1715 hdc = GetDC (infoPtr->hwndSelf);
1716 HEADER_DrawTrackLine (infoPtr, hdc, infoPtr->xOldTrack);
1717 ReleaseDC (infoPtr->hwndSelf, hdc);
1718 }
1719
1720 if (!HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ITEMCHANGINGW, infoPtr->iMoveItem, HDI_WIDTH, iNewWidth))
1721 {
1722 infoPtr->items[infoPtr->iMoveItem].cxy = iNewWidth;
1723 HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ITEMCHANGEDW, infoPtr->iMoveItem, HDI_WIDTH, iNewWidth);
1724 }
1725
1726 HEADER_SetItemBounds (infoPtr);
1727 InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
1728 }
1729
1730 if (infoPtr->bCaptured) {
1731 infoPtr->bCaptured = FALSE;
1732 ReleaseCapture ();
1733 HEADER_SendSimpleNotify (infoPtr, NM_RELEASEDCAPTURE);
1734 }
1735
1736 return 0;
1737 }
1738
1739
1740 static LRESULT
1741 HEADER_NotifyFormat (HEADER_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
1742 {
1743 switch (lParam)
1744 {
1745 case NF_QUERY:
1746 return infoPtr->nNotifyFormat;
1747
1748 case NF_REQUERY:
1749 infoPtr->nNotifyFormat =
1750 SendMessageW ((HWND)wParam, WM_NOTIFYFORMAT,
1751 (WPARAM)infoPtr->hwndSelf, (LPARAM)NF_QUERY);
1752 return infoPtr->nNotifyFormat;
1753 }
1754
1755 return 0;
1756 }
1757
1758 static LRESULT
1759 HEADER_MouseLeave (HEADER_INFO *infoPtr)
1760 {
1761 /* Reset hot-tracked item when mouse leaves control. */
1762 INT oldHotItem = infoPtr->iHotItem;
1763 HDC hdc = GetDC (infoPtr->hwndSelf);
1764
1765 infoPtr->iHotItem = -1;
1766 if (oldHotItem != -1) HEADER_RefreshItem (infoPtr, oldHotItem);
1767 ReleaseDC (infoPtr->hwndSelf, hdc);
1768
1769 return 0;
1770 }
1771
1772
1773 static LRESULT
1774 HEADER_MouseMove (HEADER_INFO *infoPtr, LPARAM lParam)
1775 {
1776 POINT pt;
1777 UINT flags;
1778 INT nItem, nWidth;
1779 HDC hdc;
1780 /* With theming, hottracking is always enabled */
1781 BOOL hotTrackEnabled =
1782 ((infoPtr->dwStyle & HDS_BUTTONS) && (infoPtr->dwStyle & HDS_HOTTRACK))
1783 || (GetWindowTheme (infoPtr->hwndSelf) != NULL);
1784 INT oldHotItem = infoPtr->iHotItem;
1785
1786 pt.x = (INT)(SHORT)LOWORD(lParam);
1787 pt.y = (INT)(SHORT)HIWORD(lParam);
1788 HEADER_InternalHitTest (infoPtr, &pt, &flags, &nItem);
1789
1790 if (hotTrackEnabled) {
1791 if (flags & (HHT_ONHEADER | HHT_ONDIVIDER | HHT_ONDIVOPEN))
1792 infoPtr->iHotItem = nItem;
1793 else
1794 infoPtr->iHotItem = -1;
1795 }
1796
1797 if (infoPtr->bCaptured) {
1798 /* check if we should drag the header */
1799 if (infoPtr->bPressed && !infoPtr->bDragging && (infoPtr->dwStyle & HDS_DRAGDROP)
1800 && HEADER_IsDragDistance(infoPtr, &pt))
1801 {
1802 if (!HEADER_SendNotifyWithHDItemT(infoPtr, HDN_BEGINDRAG, infoPtr->iMoveItem, NULL))
1803 {
1804 HIMAGELIST hDragItem = (HIMAGELIST)HEADER_CreateDragImage(infoPtr, infoPtr->iMoveItem);
1805 if (hDragItem != NULL)
1806 {
1807 HEADER_ITEM *lpItem = &infoPtr->items[infoPtr->iMoveItem];
1808 TRACE("Starting item drag\n");
1809 ImageList_BeginDrag(hDragItem, 0, pt.x - lpItem->rect.left, 0);
1810 ImageList_DragShowNolock(TRUE);
1811 ImageList_Destroy(hDragItem);
1812 infoPtr->bDragging = TRUE;
1813 }
1814 }
1815 }
1816
1817 if (infoPtr->bDragging)
1818 {
1819 POINT drag;
1820 drag.x = pt.x;
1821 drag.y = 0;
1822 ClientToScreen(infoPtr->hwndSelf, &drag);
1823 ImageList_DragMove(drag.x, drag.y);
1824 HEADER_SetHotDivider(infoPtr, TRUE, lParam);
1825 }
1826
1827 if (infoPtr->bPressed && !infoPtr->bDragging) {
1828 BOOL oldState = infoPtr->items[infoPtr->iMoveItem].bDown;
1829 if ((nItem == infoPtr->iMoveItem) && (flags == HHT_ONHEADER))
1830 infoPtr->items[infoPtr->iMoveItem].bDown = TRUE;
1831 else
1832 infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
1833 if (oldState != infoPtr->items[infoPtr->iMoveItem].bDown) {
1834 hdc = GetDC (infoPtr->hwndSelf);
1835 HEADER_RefreshItem (infoPtr, infoPtr->iMoveItem);
1836 ReleaseDC (infoPtr->hwndSelf, hdc);
1837 }
1838
1839 TRACE("Moving pressed item %d!\n", infoPtr->iMoveItem);
1840 }
1841 else if (infoPtr->bTracking) {
1842 if (infoPtr->dwStyle & HDS_FULLDRAG) {
1843 HEADER_ITEM *lpItem = &infoPtr->items[infoPtr->iMoveItem];
1844 nWidth = pt.x - lpItem->rect.left + infoPtr->xTrackOffset;
1845 if (!HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ITEMCHANGINGW, infoPtr->iMoveItem, HDI_WIDTH, nWidth))
1846 {
1847 INT nOldWidth = lpItem->rect.right - lpItem->rect.left;
1848 RECT rcClient;
1849 RECT rcScroll;
1850
1851 if (nWidth < 0) nWidth = 0;
1852 infoPtr->items[infoPtr->iMoveItem].cxy = nWidth;
1853 HEADER_SetItemBounds(infoPtr);
1854
1855 GetClientRect(infoPtr->hwndSelf, &rcClient);
1856 rcScroll = rcClient;
1857 rcScroll.left = lpItem->rect.left + nOldWidth;
1858 ScrollWindowEx(infoPtr->hwndSelf, nWidth - nOldWidth, 0, &rcScroll, &rcClient, NULL, NULL, 0);
1859 InvalidateRect(infoPtr->hwndSelf, &lpItem->rect, FALSE);
1860 UpdateWindow(infoPtr->hwndSelf);
1861
1862 HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_ITEMCHANGEDW, infoPtr->iMoveItem, HDI_WIDTH, nWidth);
1863 }
1864 }
1865 else {
1866 INT iTrackWidth;
1867 hdc = GetDC (infoPtr->hwndSelf);
1868 HEADER_DrawTrackLine (infoPtr, hdc, infoPtr->xOldTrack);
1869 infoPtr->xOldTrack = pt.x + infoPtr->xTrackOffset;
1870 if (infoPtr->xOldTrack < infoPtr->items[infoPtr->iMoveItem].rect.left)
1871 infoPtr->xOldTrack = infoPtr->items[infoPtr->iMoveItem].rect.left;
1872 HEADER_DrawTrackLine (infoPtr, hdc, infoPtr->xOldTrack);
1873 ReleaseDC (infoPtr->hwndSelf, hdc);
1874 iTrackWidth = infoPtr->xOldTrack - infoPtr->items[infoPtr->iMoveItem].rect.left;
1875 /* FIXME: should stop tracking if HDN_TRACK returns TRUE */
1876 HEADER_SendNotifyWithIntFieldT(infoPtr, HDN_TRACKW, infoPtr->iMoveItem, HDI_WIDTH, iTrackWidth);
1877 }
1878
1879 TRACE("Tracking item %d!\n", infoPtr->iMoveItem);
1880 }
1881 }
1882
1883 if (hotTrackEnabled) {
1884 TRACKMOUSEEVENT tme;
1885 if (oldHotItem != infoPtr->iHotItem && !infoPtr->bDragging) {
1886 hdc = GetDC (infoPtr->hwndSelf);
1887 if (oldHotItem != -1) HEADER_RefreshItem (infoPtr, oldHotItem);
1888 if (infoPtr->iHotItem != -1) HEADER_RefreshItem (infoPtr, infoPtr->iHotItem);
1889 ReleaseDC (infoPtr->hwndSelf, hdc);
1890 }
1891 tme.cbSize = sizeof( tme );
1892 tme.dwFlags = TME_LEAVE;
1893 tme.hwndTrack = infoPtr->hwndSelf;
1894 TrackMouseEvent( &tme );
1895 }
1896
1897 return 0;
1898 }
1899
1900
1901 static LRESULT
1902 HEADER_Paint (HEADER_INFO *infoPtr, HDC hdcParam)
1903 {
1904 HDC hdc;
1905 PAINTSTRUCT ps;
1906
1907 hdc = hdcParam==0 ? BeginPaint (infoPtr->hwndSelf, &ps) : hdcParam;
1908 HEADER_Refresh (infoPtr, hdc);
1909 if(!hdcParam)
1910 EndPaint (infoPtr->hwndSelf, &ps);
1911 return 0;
1912 }
1913
1914
1915 static LRESULT
1916 HEADER_RButtonUp (HEADER_INFO *infoPtr, INT x, INT y)
1917 {
1918 BOOL bRet;
1919 POINT pt;
1920
1921 pt.x = x;
1922 pt.y = y;
1923
1924 /* Send a Notify message */
1925 bRet = HEADER_SendSimpleNotify (infoPtr, NM_RCLICK);
1926
1927 /* Change to screen coordinate for WM_CONTEXTMENU */
1928 ClientToScreen(infoPtr->hwndSelf, &pt);
1929
1930 /* Send a WM_CONTEXTMENU message in response to the RBUTTONUP */
1931 SendMessageW( infoPtr->hwndSelf, WM_CONTEXTMENU, (WPARAM) infoPtr->hwndSelf, MAKELPARAM(pt.x, pt.y));
1932
1933 return bRet;
1934 }
1935
1936
1937 static LRESULT
1938 HEADER_SetCursor (HEADER_INFO *infoPtr, LPARAM lParam)
1939 {
1940 POINT pt;
1941 UINT flags;
1942 INT nItem;
1943
1944 TRACE("code=0x%X id=0x%X\n", LOWORD(lParam), HIWORD(lParam));
1945
1946 GetCursorPos (&pt);
1947 ScreenToClient (infoPtr->hwndSelf, &pt);
1948
1949 HEADER_InternalHitTest (infoPtr, &pt, &flags, &nItem);
1950
1951 if (flags == HHT_ONDIVIDER)
1952 SetCursor (infoPtr->hcurDivider);
1953 else if (flags == HHT_ONDIVOPEN)
1954 SetCursor (infoPtr->hcurDivopen);
1955 else
1956 SetCursor (infoPtr->hcurArrow);
1957
1958 return 0;
1959 }
1960
1961
1962 static LRESULT
1963 HEADER_SetFont (HEADER_INFO *infoPtr, HFONT hFont, WORD Redraw)
1964 {
1965 TEXTMETRICW tm;
1966 HFONT hOldFont;
1967 HDC hdc;
1968
1969 infoPtr->hFont = hFont;
1970
1971 hdc = GetDC (0);
1972 hOldFont = SelectObject (hdc, infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT));
1973 GetTextMetricsW (hdc, &tm);
1974 infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
1975 SelectObject (hdc, hOldFont);
1976 ReleaseDC (0, hdc);
1977
1978 infoPtr->bRectsValid = FALSE;
1979
1980 if (Redraw) {
1981 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1982 }
1983
1984 return 0;
1985 }
1986
1987 static LRESULT HEADER_SetRedraw(HEADER_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
1988 {
1989 /* ignoring the InvalidateRect calls is handled by user32. But some apps expect
1990 * that we invalidate the header and this has to be done manually */
1991 LRESULT ret;
1992
1993 ret = DefWindowProcW(infoPtr->hwndSelf, WM_SETREDRAW, wParam, lParam);
1994 if (wParam)
1995 InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
1996 return ret;
1997 }
1998
1999 static INT HEADER_StyleChanged(HEADER_INFO *infoPtr, WPARAM wStyleType,
2000 const STYLESTRUCT *lpss)
2001 {
2002 TRACE("(styletype=%lx, styleOld=0x%08x, styleNew=0x%08x)\n",
2003 wStyleType, lpss->styleOld, lpss->styleNew);
2004
2005 if (wStyleType != GWL_STYLE) return 0;
2006
2007 infoPtr->dwStyle = lpss->styleNew;
2008
2009 return 0;
2010 }
2011
2012 /* Update the theme handle after a theme change */
2013 static LRESULT HEADER_ThemeChanged(const HEADER_INFO *infoPtr)
2014 {
2015 HTHEME theme = GetWindowTheme(infoPtr->hwndSelf);
2016 CloseThemeData(theme);
2017 OpenThemeData(infoPtr->hwndSelf, themeClass);
2018 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
2019 return 0;
2020 }
2021
2022
2023 static LRESULT WINAPI
2024 HEADER_WindowProc (HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
2025 {
2026 HEADER_INFO *infoPtr = (HEADER_INFO *)GetWindowLongPtrW(hwnd, 0);
2027
2028 TRACE("hwnd=%p msg=%x wparam=%lx lParam=%lx\n", hwnd, msg, wParam, lParam);
2029 if (!infoPtr && (msg != WM_CREATE))
2030 return DefWindowProcW (hwnd, msg, wParam, lParam);
2031 switch (msg) {
2032 /* case HDM_CLEARFILTER: */
2033
2034 case HDM_CREATEDRAGIMAGE:
2035 return HEADER_CreateDragImage (infoPtr, (INT)wParam);
2036
2037 case HDM_DELETEITEM:
2038 return HEADER_DeleteItem (infoPtr, (INT)wParam);
2039
2040 /* case HDM_EDITFILTER: */
2041
2042 case HDM_GETBITMAPMARGIN:
2043 return HEADER_GetBitmapMargin(infoPtr);
2044
2045 case HDM_GETIMAGELIST:
2046 return HEADER_GetImageList (infoPtr);
2047
2048 case HDM_GETITEMA:
2049 case HDM_GETITEMW:
2050 return HEADER_GetItemT (infoPtr, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_GETITEMW);
2051
2052 case HDM_GETITEMCOUNT:
2053 return HEADER_GetItemCount (infoPtr);
2054
2055 case HDM_GETITEMRECT:
2056 return HEADER_GetItemRect (infoPtr, (INT)wParam, (LPRECT)lParam);
2057
2058 case HDM_GETORDERARRAY:
2059 return HEADER_GetOrderArray(infoPtr, (INT)wParam, (LPINT)lParam);
2060
2061 case HDM_GETUNICODEFORMAT:
2062 return HEADER_GetUnicodeFormat (infoPtr);
2063
2064 case HDM_HITTEST:
2065 return HEADER_HitTest (infoPtr, (LPHDHITTESTINFO)lParam);
2066
2067 case HDM_INSERTITEMA:
2068 case HDM_INSERTITEMW:
2069 return HEADER_InsertItemT (infoPtr, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_INSERTITEMW);
2070
2071 case HDM_LAYOUT:
2072 return HEADER_Layout (infoPtr, (LPHDLAYOUT)lParam);
2073
2074 case HDM_ORDERTOINDEX:
2075 return HEADER_OrderToIndex(infoPtr, (INT)wParam);
2076
2077 case HDM_SETBITMAPMARGIN:
2078 return HEADER_SetBitmapMargin(infoPtr, (INT)wParam);
2079
2080 /* case HDM_SETFILTERCHANGETIMEOUT: */
2081
2082 case HDM_SETHOTDIVIDER:
2083 return HEADER_SetHotDivider(infoPtr, wParam, lParam);
2084
2085 case HDM_SETIMAGELIST:
2086 return HEADER_SetImageList (infoPtr, (HIMAGELIST)lParam);
2087
2088 case HDM_SETITEMA:
2089 case HDM_SETITEMW:
2090 return HEADER_SetItemT (infoPtr, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_SETITEMW);
2091
2092 case HDM_SETORDERARRAY:
2093 return HEADER_SetOrderArray(infoPtr, (INT)wParam, (LPINT)lParam);
2094
2095 case HDM_SETUNICODEFORMAT:
2096 return HEADER_SetUnicodeFormat (infoPtr, wParam);
2097
2098 case WM_CREATE:
2099 return HEADER_Create (hwnd, (LPCREATESTRUCTW)lParam);
2100
2101 case WM_DESTROY:
2102 return HEADER_Destroy (infoPtr);
2103
2104 case WM_NCDESTROY:
2105 return HEADER_NCDestroy (infoPtr);
2106
2107 case WM_ERASEBKGND:
2108 return 1;
2109
2110 case WM_GETDLGCODE:
2111 return DLGC_WANTTAB | DLGC_WANTARROWS;
2112
2113 case WM_GETFONT:
2114 return HEADER_GetFont (infoPtr);
2115
2116 case WM_LBUTTONDBLCLK:
2117 return HEADER_LButtonDblClk (infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam));
2118
2119 case WM_LBUTTONDOWN:
2120 return HEADER_LButtonDown (infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam));
2121
2122 case WM_LBUTTONUP:
2123 return HEADER_LButtonUp (infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam));
2124
2125 case WM_MOUSELEAVE:
2126 return HEADER_MouseLeave (infoPtr);
2127
2128 case WM_MOUSEMOVE:
2129 return HEADER_MouseMove (infoPtr, lParam);
2130
2131 case WM_NOTIFYFORMAT:
2132 return HEADER_NotifyFormat (infoPtr, wParam, lParam);
2133
2134 case WM_SIZE:
2135 return HEADER_Size (infoPtr);
2136
2137 case WM_THEMECHANGED:
2138 return HEADER_ThemeChanged (infoPtr);
2139
2140 case WM_PRINTCLIENT:
2141 case WM_PAINT:
2142 return HEADER_Paint (infoPtr, (HDC)wParam);
2143
2144 case WM_RBUTTONUP:
2145 return HEADER_RButtonUp (infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam));
2146
2147 case WM_SETCURSOR:
2148 return HEADER_SetCursor (infoPtr, lParam);
2149
2150 case WM_SETFONT:
2151 return HEADER_SetFont (infoPtr, (HFONT)wParam, (WORD)lParam);
2152
2153 case WM_SETREDRAW:
2154 return HEADER_SetRedraw(infoPtr, wParam, lParam);
2155
2156 case WM_STYLECHANGED:
2157 return HEADER_StyleChanged(infoPtr, wParam, (LPSTYLESTRUCT)lParam);
2158
2159 case WM_SYSCOLORCHANGE:
2160 COMCTL32_RefreshSysColors();
2161 return 0;
2162
2163 default:
2164 if ((msg >= WM_USER) && (msg < WM_APP) && !COMCTL32_IsReflectedMessage(msg))
2165 ERR("unknown msg %04x wp=%04lx lp=%08lx\n",
2166 msg, wParam, lParam );
2167 return DefWindowProcW(hwnd, msg, wParam, lParam);
2168 }
2169 }
2170
2171
2172 VOID
2173 HEADER_Register (void)
2174 {
2175 WNDCLASSW wndClass;
2176
2177 ZeroMemory (&wndClass, sizeof(WNDCLASSW));
2178 wndClass.style = CS_GLOBALCLASS | CS_DBLCLKS;
2179 wndClass.lpfnWndProc = HEADER_WindowProc;
2180 wndClass.cbClsExtra = 0;
2181 wndClass.cbWndExtra = sizeof(HEADER_INFO *);
2182 wndClass.hCursor = LoadCursorW (0, (LPWSTR)IDC_ARROW);
2183 wndClass.lpszClassName = WC_HEADERW;
2184
2185 RegisterClassW (&wndClass);
2186 }
2187
2188
2189 VOID
2190 HEADER_Unregister (void)
2191 {
2192 UnregisterClassW (WC_HEADERW, NULL);
2193 }
Windows API implementation