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uxtheme/tests: Destroy the windows after we've used them.
[wine.git] / dlls / comctl32 / header.c
blob41c4071ca8125b583d633cef15b03d25c5b1763a
1 /*
2 * Header control
3 *
4 * Copyright 1998 Eric Kohl
5 * Copyright 2000 Eric Kohl for CodeWeavers
6 * Copyright 2003 Maxime Bellenge
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
21 *
22 * TODO:
23 * - Imagelist support (partially).
24 * - Callback items (under construction).
25 * - Hottrack support (partially).
26 * - Custom draw support (including Notifications).
27 * - Drag and Drop support (including Notifications).
28 * - New messages.
29 * - Use notification format
30 * - Correct the order maintenance code to preserve valid order
31 *
32 */
33
34 #include <stdarg.h>
35 #include <stdlib.h>
36 #include <string.h>
37
38 #include "windef.h"
39 #include "winbase.h"
40 #include "wine/unicode.h"
41 #include "wingdi.h"
42 #include "winuser.h"
43 #include "winnls.h"
44 #include "commctrl.h"
45 #include "comctl32.h"
46 #include "imagelist.h"
47 #include "tmschema.h"
48 #include "uxtheme.h"
49 #include "wine/debug.h"
50
51 WINE_DEFAULT_DEBUG_CHANNEL(header);
52
53 typedef struct
54 {
55 INT cxy;
56 HBITMAP hbm;
57 LPWSTR pszText;
58 INT fmt;
59 LPARAM lParam;
60 INT iImage;
61 INT iOrder; /* see documentation of HD_ITEM */
62
63 BOOL bDown; /* is item pressed? (used for drawing) */
64 RECT rect; /* bounding rectangle of the item */
65 DWORD callbackMask; /* HDI_* flags for items that are callback */
66 } HEADER_ITEM;
67
68
69 typedef struct
70 {
71 HWND hwndNotify; /* Owner window to send notifications to */
72 INT nNotifyFormat; /* format used for WM_NOTIFY messages */
73 UINT uNumItem; /* number of items (columns) */
74 INT nHeight; /* height of the header (pixels) */
75 HFONT hFont; /* handle to the current font */
76 HCURSOR hcurArrow; /* handle to the arrow cursor */
77 HCURSOR hcurDivider; /* handle to a cursor (used over dividers) <-|-> */
78 HCURSOR hcurDivopen; /* handle to a cursor (used over dividers) <-||-> */
79 BOOL bCaptured; /* Is the mouse captured? */
80 BOOL bPressed; /* Is a header item pressed (down)? */
81 BOOL bDragging; /* Are we dragging an item? */
82 BOOL bTracking; /* Is in tracking mode? */
83 POINT ptLButtonDown; /* The point where the left button was pressed */
84 INT iMoveItem; /* index of tracked item. (Tracking mode) */
85 INT xTrackOffset; /* distance between the right side of the tracked item and the cursor */
86 INT xOldTrack; /* track offset (see above) after the last WM_MOUSEMOVE */
87 INT nOldWidth; /* width of a sizing item after the last WM_MOUSEMOVE */
88 INT iHotItem; /* index of hot item (cursor is over this item) */
89 INT iHotDivider; /* index of the hot divider (used while dragging an item or by HDM_SETHOTDIVIDER) */
90 INT iMargin; /* width of the margin that surrounds a bitmap */
91
92 HIMAGELIST himl; /* handle to an image list (may be 0) */
93 HEADER_ITEM *items; /* pointer to array of HEADER_ITEM's */
94 INT *order; /* array of item IDs indexed by order */
95 BOOL bRectsValid; /* validity flag for bounding rectangles */
96 } HEADER_INFO;
97
98
99 #define VERT_BORDER 4
100 #define DIVIDER_WIDTH 10
101 #define HOT_DIVIDER_WIDTH 2
102 #define MAX_HEADER_TEXT_LEN 260
103 #define HDN_UNICODE_OFFSET 20
104 #define HDN_FIRST_UNICODE (HDN_FIRST-HDN_UNICODE_OFFSET)
105
106 #define HDI_SUPPORTED_FIELDS (HDI_WIDTH|HDI_TEXT|HDI_FORMAT|HDI_LPARAM|HDI_BITMAP|HDI_IMAGE|HDI_ORDER)
107 #define HDI_UNSUPPORTED_FIELDS (HDI_FILTER)
108 #define HDI_UNKNOWN_FIELDS (~(HDI_SUPPORTED_FIELDS|HDI_UNSUPPORTED_FIELDS|HDI_DI_SETITEM))
109 #define HDI_COMCTL32_4_0_FIELDS (HDI_WIDTH|HDI_TEXT|HDI_FORMAT|HDI_LPARAM|HDI_BITMAP)
110
111 #define HEADER_GetInfoPtr(hwnd) ((HEADER_INFO *)GetWindowLongPtrW(hwnd,0))
112
113 static BOOL HEADER_PrepareCallbackItems(HWND hwnd, INT iItem, INT reqMask);
114 static void HEADER_FreeCallbackItems(HEADER_ITEM *lpItem);
115
116 static const WCHAR themeClass[] = {'H','e','a','d','e','r',0};
117 static WCHAR emptyString[] = {0};
118
119 static void HEADER_DisposeItem(HEADER_ITEM *lpItem)
120 {
121 if (lpItem->pszText)
122 {
123 Free(lpItem->pszText);
124 }
125 }
126
127 static void HEADER_StoreHDItemInHeader(HEADER_ITEM *lpItem, UINT mask, HDITEMW *phdi, BOOL fUnicode)
128 {
129 if (mask & HDI_UNSUPPORTED_FIELDS)
130 FIXME("unsupported header fields %x\n", (mask & HDI_UNSUPPORTED_FIELDS));
131
132 if (mask & HDI_BITMAP)
133 lpItem->hbm = phdi->hbm;
134
135 if (mask & HDI_FORMAT)
136 lpItem->fmt = phdi->fmt;
137
138 if (mask & HDI_LPARAM)
139 lpItem->lParam = phdi->lParam;
140
141 if (mask & HDI_WIDTH)
142 lpItem->cxy = phdi->cxy;
143
144 if (mask & HDI_IMAGE)
145 {
146 lpItem->iImage = phdi->iImage;
147 if (phdi->iImage == I_IMAGECALLBACK)
148 lpItem->callbackMask |= HDI_IMAGE;
149 else
150 lpItem->callbackMask &= ~HDI_IMAGE;
151 }
152
153 if (mask & HDI_TEXT)
154 {
155 if (lpItem->pszText)
156 {
157 Free(lpItem->pszText);
158 lpItem->pszText = NULL;
159 }
160
161 if (phdi->pszText != LPSTR_TEXTCALLBACKW) /* covers != TEXTCALLBACKA too */
162 {
163 LPWSTR pszText = (phdi->pszText != NULL ? phdi->pszText : emptyString);
164 if (fUnicode)
165 Str_SetPtrW(&lpItem->pszText, pszText);
166 else
167 Str_SetPtrAtoW(&lpItem->pszText, (LPSTR)pszText);
168 lpItem->callbackMask &= ~HDI_TEXT;
169 }
170 else
171 {
172 lpItem->pszText = NULL;
173 lpItem->callbackMask |= HDI_TEXT;
174 }
175 }
176 }
177
178 inline static LRESULT
179 HEADER_IndexToOrder (HWND hwnd, INT iItem)
180 {
181 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
182 HEADER_ITEM *lpItem = &infoPtr->items[iItem];
183 return lpItem->iOrder;
184 }
185
186
187 static INT
188 HEADER_OrderToIndex(HWND hwnd, WPARAM wParam)
189 {
190 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
191 INT iorder = (INT)wParam;
192
193 if ((iorder <0) || iorder >= infoPtr->uNumItem)
194 return iorder;
195 return infoPtr->order[iorder];
196 }
197
198 static void
199 HEADER_ChangeItemOrder(HEADER_INFO *infoPtr, INT iItem, INT iNewOrder)
200 {
201 HEADER_ITEM *lpItem = &infoPtr->items[iItem];
202 INT i, nMin, nMax;
203
204 TRACE("%d: %d->%d\n", iItem, lpItem->iOrder, iNewOrder);
205 if (lpItem->iOrder < iNewOrder)
206 {
207 memmove(&infoPtr->order[lpItem->iOrder],
208 &infoPtr->order[lpItem->iOrder + 1],
209 (iNewOrder - lpItem->iOrder) * sizeof(INT));
210 }
211 if (iNewOrder < lpItem->iOrder)
212 {
213 memmove(&infoPtr->order[iNewOrder + 1],
214 &infoPtr->order[iNewOrder],
215 (lpItem->iOrder - iNewOrder) * sizeof(INT));
216 }
217 infoPtr->order[iNewOrder] = iItem;
218 nMin = min(lpItem->iOrder, iNewOrder);
219 nMax = max(lpItem->iOrder, iNewOrder);
220 for (i = nMin; i <= nMax; i++)
221 infoPtr->items[infoPtr->order[i]].iOrder = i;
222 }
223
224 /* Note: if iItem is the last item then this function returns infoPtr->uNumItem */
225 static INT
226 HEADER_NextItem(HWND hwnd, INT iItem)
227 {
228 return HEADER_OrderToIndex(hwnd, HEADER_IndexToOrder(hwnd, iItem)+1);
229 }
230
231 static INT
232 HEADER_PrevItem(HWND hwnd, INT iItem)
233 {
234 return HEADER_OrderToIndex(hwnd, HEADER_IndexToOrder(hwnd, iItem)-1);
235 }
236
237 static void
238 HEADER_SetItemBounds (HWND hwnd)
239 {
240 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
241 HEADER_ITEM *phdi;
242 RECT rect;
243 unsigned int i;
244 int x;
245
246 infoPtr->bRectsValid = TRUE;
247
248 if (infoPtr->uNumItem == 0)
249 return;
250
251 GetClientRect (hwnd, &rect);
252
253 x = rect.left;
254 for (i = 0; i < infoPtr->uNumItem; i++) {
255 phdi = &infoPtr->items[HEADER_OrderToIndex(hwnd,i)];
256 phdi->rect.top = rect.top;
257 phdi->rect.bottom = rect.bottom;
258 phdi->rect.left = x;
259 phdi->rect.right = phdi->rect.left + ((phdi->cxy>0)?phdi->cxy:0);
260 x = phdi->rect.right;
261 }
262 }
263
264 static LRESULT
265 HEADER_Size (HWND hwnd, WPARAM wParam)
266 {
267 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
268
269 infoPtr->bRectsValid = FALSE;
270
271 return 0;
272 }
273
274 static void HEADER_GetHotDividerRect(HWND hwnd, HEADER_INFO *infoPtr, RECT *r)
275 {
276 INT iDivider = infoPtr->iHotDivider;
277 if (infoPtr->uNumItem > 0)
278 {
279 HEADER_ITEM *lpItem;
280
281 if (iDivider < infoPtr->uNumItem)
282 {
283 lpItem = &infoPtr->items[iDivider];
284 r->left = lpItem->rect.left - HOT_DIVIDER_WIDTH/2;
285 r->right = lpItem->rect.left + HOT_DIVIDER_WIDTH/2;
286 }
287 else
288 {
289 lpItem = &infoPtr->items[HEADER_OrderToIndex(hwnd, infoPtr->uNumItem-1)];
290 r->left = lpItem->rect.right - HOT_DIVIDER_WIDTH/2;
291 r->right = lpItem->rect.right + HOT_DIVIDER_WIDTH/2;
292 }
293 r->top = lpItem->rect.top;
294 r->bottom = lpItem->rect.bottom;
295 }
296 else
297 {
298 RECT clientRect;
299 GetClientRect(hwnd, &clientRect);
300 *r = clientRect;
301 r->right = r->left + HOT_DIVIDER_WIDTH/2;
302 }
303 }
304
305
306 static INT
307 HEADER_DrawItem (HWND hwnd, HDC hdc, INT iItem, BOOL bHotTrack)
308 {
309 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
310 HEADER_ITEM *phdi = &infoPtr->items[iItem];
311 RECT r;
312 INT oldBkMode, cxEdge = GetSystemMetrics(SM_CXEDGE);
313 HTHEME theme = GetWindowTheme (hwnd);
314 NMCUSTOMDRAW nmcd;
315
316 TRACE("DrawItem(iItem %d bHotTrack %d unicode flag %d)\n", iItem, bHotTrack, (infoPtr->nNotifyFormat == NFR_UNICODE));
317
318 if (!infoPtr->bRectsValid)
319 HEADER_SetItemBounds(hwnd);
320
321 r = phdi->rect;
322 if (r.right - r.left == 0)
323 return phdi->rect.right;
324
325 if (theme != NULL) {
326 int state = (phdi->bDown) ? HIS_PRESSED :
327 (bHotTrack ? HIS_HOT : HIS_NORMAL);
328 DrawThemeBackground (theme, hdc, HP_HEADERITEM, state,
329 &r, NULL);
330 GetThemeBackgroundContentRect (theme, hdc, HP_HEADERITEM, state,
331 &r, &r);
332 }
333 else {
334 if (GetWindowLongW (hwnd, GWL_STYLE) & HDS_BUTTONS) {
335 if (phdi->bDown) {
336 DrawEdge (hdc, &r, BDR_RAISEDOUTER,
337 BF_RECT | BF_FLAT | BF_MIDDLE | BF_ADJUST);
338 }
339 else
340 DrawEdge (hdc, &r, EDGE_RAISED,
341 BF_RECT | BF_SOFT | BF_MIDDLE | BF_ADJUST);
342 }
343 else
344 DrawEdge (hdc, &r, EDGE_ETCHED, BF_BOTTOM | BF_RIGHT | BF_ADJUST);
345 }
346 if (phdi->bDown) {
347 r.left += 2;
348 r.top += 2;
349 }
350
351 r.left -= cxEdge;
352 r.right += cxEdge;
353
354 /* Set the colors before sending NM_CUSTOMDRAW so that it can change them */
355 SetTextColor (hdc, (bHotTrack && !theme) ? COLOR_HIGHLIGHT : COLOR_BTNTEXT);
356 SetBkColor(hdc, GetSysColor(COLOR_3DFACE));
357
358 nmcd.hdr.hwndFrom = hwnd;
359 nmcd.hdr.idFrom = GetWindowLongPtrW (hwnd, GWLP_ID);
360 nmcd.hdr.code = NM_CUSTOMDRAW;
361 nmcd.dwDrawStage = CDDS_PREPAINT | CDDS_ITEM | CDDS_ITEMPOSTERASE;
362 nmcd.hdc = hdc;
363 nmcd.dwItemSpec = iItem;
364 nmcd.rc = r;
365 nmcd.uItemState = phdi->bDown ? CDIS_SELECTED : 0;
366 nmcd.lItemlParam = phdi->lParam;
367
368 SendMessageW (infoPtr->hwndNotify, WM_NOTIFY, nmcd.hdr.idFrom, (LPARAM)&nmcd);
369
370 if (phdi->fmt & HDF_OWNERDRAW) {
371 DRAWITEMSTRUCT dis;
372
373 dis.CtlType = ODT_HEADER;
374 dis.CtlID = GetWindowLongPtrW (hwnd, GWLP_ID);
375 dis.itemID = iItem;
376 dis.itemAction = ODA_DRAWENTIRE;
377 dis.itemState = phdi->bDown ? ODS_SELECTED : 0;
378 dis.hwndItem = hwnd;
379 dis.hDC = hdc;
380 dis.rcItem = r;
381 dis.itemData = phdi->lParam;
382 oldBkMode = SetBkMode(hdc, TRANSPARENT);
383 SendMessageW (infoPtr->hwndNotify, WM_DRAWITEM,
384 (WPARAM)dis.CtlID, (LPARAM)&dis);
385 if (oldBkMode != TRANSPARENT)
386 SetBkMode(hdc, oldBkMode);
387 }
388 else {
389 UINT rw, rh, /* width and height of r */
390 *x = NULL, *w = NULL; /* x and width of the pic (bmp or img) which is part of cnt */
391 /* cnt,txt,img,bmp */
392 UINT cx, tx, ix, bx,
393 cw, tw, iw, bw;
394 BITMAP bmp;
395
396 HEADER_PrepareCallbackItems(hwnd, iItem, HDI_TEXT|HDI_IMAGE);
397 cw = tw = iw = bw = 0;
398 rw = r.right - r.left;
399 rh = r.bottom - r.top;
400
401 if (theme == NULL) {
402 HBRUSH hbr = CreateSolidBrush(GetBkColor(hdc));
403 RECT rcBackground = r;
404
405 rcBackground.right -= cxEdge;
406 rcBackground.left += cxEdge;
407 FillRect(hdc, &rcBackground, hbr);
408 DeleteObject(hbr);
409 }
410 if (phdi->fmt & HDF_STRING) {
411 RECT textRect;
412
413 DrawTextW (hdc, phdi->pszText, -1,
414 &textRect, DT_LEFT|DT_VCENTER|DT_SINGLELINE|DT_CALCRECT);
415 cw = textRect.right - textRect.left + 2 * infoPtr->iMargin;
416 }
417
418 if ((phdi->fmt & HDF_IMAGE) && (infoPtr->himl)) {
419 iw = infoPtr->himl->cx + 2 * infoPtr->iMargin;
420 x = &ix;
421 w = &iw;
422 }
423
424 if ((phdi->fmt & HDF_BITMAP) && (phdi->hbm)) {
425 GetObjectW (phdi->hbm, sizeof(BITMAP), (LPVOID)&bmp);
426 bw = bmp.bmWidth + 2 * infoPtr->iMargin;
427 if (!iw) {
428 x = &bx;
429 w = &bw;
430 }
431 }
432
433 if (bw || iw)
434 cw += *w;
435
436 /* align cx using the unclipped cw */
437 if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_LEFT)
438 cx = r.left;
439 else if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_CENTER)
440 cx = r.left + rw / 2 - cw / 2;
441 else /* HDF_RIGHT */
442 cx = r.right - cw;
443
444 /* clip cx & cw */
445 if (cx < r.left)
446 cx = r.left;
447 if (cx + cw > r.right)
448 cw = r.right - cx;
449
450 tx = cx + infoPtr->iMargin;
451 /* since cw might have changed we have to recalculate tw */
452 tw = cw - infoPtr->iMargin * 2;
453
454 if (iw || bw) {
455 tw -= *w;
456 if (phdi->fmt & HDF_BITMAP_ON_RIGHT) {
457 /* put pic behind text */
458 *x = cx + tw + infoPtr->iMargin * 3;
459 } else {
460 *x = cx + infoPtr->iMargin;
461 /* move text behind pic */
462 tx += *w;
463 }
464 }
465
466 if (iw && bw) {
467 /* since we're done with the layout we can
468 now calculate the position of bmp which
469 has no influence on alignment and layout
470 because of img */
471 if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_RIGHT)
472 bx = cx - bw + infoPtr->iMargin;
473 else
474 bx = cx + cw + infoPtr->iMargin;
475 }
476
477 if (iw || bw) {
478 HDC hClipDC = GetDC(hwnd);
479 HRGN hClipRgn = CreateRectRgn(r.left, r.top, r.right, r.bottom);
480 SelectClipRgn(hClipDC, hClipRgn);
481
482 if (bw) {
483 HDC hdcBitmap = CreateCompatibleDC (hClipDC);
484 SelectObject (hdcBitmap, phdi->hbm);
485 BitBlt (hClipDC, bx, r.top + ((INT)rh - bmp.bmHeight) / 2,
486 bmp.bmWidth, bmp.bmHeight, hdcBitmap, 0, 0, SRCCOPY);
487 DeleteDC (hdcBitmap);
488 }
489
490 if (iw) {
491 ImageList_DrawEx (infoPtr->himl, phdi->iImage, hClipDC,
492 ix, r.top + ((INT)rh - infoPtr->himl->cy) / 2,
493 infoPtr->himl->cx, infoPtr->himl->cy, CLR_DEFAULT, CLR_DEFAULT, 0);
494 }
495
496 DeleteObject(hClipRgn);
497 ReleaseDC(hwnd, hClipDC);
498 }
499
500 if (((phdi->fmt & HDF_STRING)
501 || (!(phdi->fmt & (HDF_OWNERDRAW|HDF_STRING|HDF_BITMAP|
502 HDF_BITMAP_ON_RIGHT|HDF_IMAGE)))) /* no explicit format specified? */
503 && (phdi->pszText)) {
504 oldBkMode = SetBkMode(hdc, TRANSPARENT);
505 r.left = tx;
506 r.right = tx + tw;
507 DrawTextW (hdc, phdi->pszText, -1,
508 &r, DT_LEFT|DT_END_ELLIPSIS|DT_VCENTER|DT_SINGLELINE);
509 if (oldBkMode != TRANSPARENT)
510 SetBkMode(hdc, oldBkMode);
511 }
512 HEADER_FreeCallbackItems(phdi);
513 }/*Ownerdrawn*/
514
515 return phdi->rect.right;
516 }
517
518 static void
519 HEADER_DrawHotDivider(HWND hwnd, HDC hdc)
520 {
521 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
522 HBRUSH brush;
523 RECT r;
524
525 HEADER_GetHotDividerRect(hwnd, infoPtr, &r);
526 brush = CreateSolidBrush(GetSysColor(COLOR_HIGHLIGHT));
527 FillRect(hdc, &r, brush);
528 DeleteObject(brush);
529 }
530
531 static void
532 HEADER_Refresh (HWND hwnd, HDC hdc)
533 {
534 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
535 HFONT hFont, hOldFont;
536 RECT rect;
537 HBRUSH hbrBk;
538 UINT i;
539 INT x;
540 HTHEME theme = GetWindowTheme (hwnd);
541
542 if (!infoPtr->bRectsValid)
543 HEADER_SetItemBounds(hwnd);
544
545 /* get rect for the bar, adjusted for the border */
546 GetClientRect (hwnd, &rect);
547
548 if (infoPtr->bDragging)
549 ImageList_DragShowNolock(FALSE);
550
551 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT);
552 hOldFont = SelectObject (hdc, hFont);
553
554 /* draw Background */
555 if (infoPtr->uNumItem == 0 && theme == NULL) {
556 hbrBk = GetSysColorBrush(COLOR_3DFACE);
557 FillRect(hdc, &rect, hbrBk);
558 }
559
560 x = rect.left;
561 for (i = 0; x <= rect.right && i < infoPtr->uNumItem; i++) {
562 int idx = HEADER_OrderToIndex(hwnd,i);
563 if (RectVisible(hdc, &infoPtr->items[idx].rect))
564 HEADER_DrawItem (hwnd, hdc, idx, infoPtr->iHotItem == i);
565 x = infoPtr->items[idx].rect.right;
566 }
567
568 if ((x <= rect.right) && (infoPtr->uNumItem > 0)) {
569 rect.left = x;
570 if (theme != NULL) {
571 DrawThemeBackground (theme, hdc, HP_HEADERITEM, HIS_NORMAL, &rect,
572 NULL);
573 }
574 else {
575 if (GetWindowLongW (hwnd, GWL_STYLE) & HDS_BUTTONS)
576 DrawEdge (hdc, &rect, EDGE_RAISED, BF_TOP|BF_LEFT|BF_BOTTOM|BF_SOFT|BF_MIDDLE);
577 else
578 DrawEdge (hdc, &rect, EDGE_ETCHED, BF_BOTTOM|BF_MIDDLE);
579 }
580 }
581
582 if (infoPtr->iHotDivider != -1)
583 HEADER_DrawHotDivider(hwnd, hdc);
584
585 if (infoPtr->bDragging)
586 ImageList_DragShowNolock(TRUE);
587 SelectObject (hdc, hOldFont);
588 }
589
590
591 static void
592 HEADER_RefreshItem (HWND hwnd, HDC hdc, INT iItem)
593 {
594 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
595 HFONT hFont, hOldFont;
596
597 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT);
598 hOldFont = SelectObject (hdc, hFont);
599 HEADER_DrawItem (hwnd, hdc, iItem, infoPtr->iHotItem == iItem);
600 SelectObject (hdc, hOldFont);
601 }
602
603
604 static void
605 HEADER_InternalHitTest (HWND hwnd, LPPOINT lpPt, UINT *pFlags, INT *pItem)
606 {
607 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
608 RECT rect, rcTest;
609 UINT iCount;
610 INT width;
611 BOOL bNoWidth;
612
613 GetClientRect (hwnd, &rect);
614
615 *pFlags = 0;
616 bNoWidth = FALSE;
617 if (PtInRect (&rect, *lpPt))
618 {
619 if (infoPtr->uNumItem == 0) {
620 *pFlags |= HHT_NOWHERE;
621 *pItem = 1;
622 TRACE("NOWHERE\n");
623 return;
624 }
625 else {
626 /* somewhere inside */
627 for (iCount = 0; iCount < infoPtr->uNumItem; iCount++) {
628 rect = infoPtr->items[iCount].rect;
629 width = rect.right - rect.left;
630 if (width == 0) {
631 bNoWidth = TRUE;
632 continue;
633 }
634 if (PtInRect (&rect, *lpPt)) {
635 if (width <= 2 * DIVIDER_WIDTH) {
636 *pFlags |= HHT_ONHEADER;
637 *pItem = iCount;
638 TRACE("ON HEADER %d\n", iCount);
639 return;
640 }
641 if (HEADER_IndexToOrder(hwnd, iCount) > 0) {
642 rcTest = rect;
643 rcTest.right = rcTest.left + DIVIDER_WIDTH;
644 if (PtInRect (&rcTest, *lpPt)) {
645 if (bNoWidth) {
646 *pFlags |= HHT_ONDIVOPEN;
647 *pItem = HEADER_PrevItem(hwnd, iCount);
648 TRACE("ON DIVOPEN %d\n", *pItem);
649 return;
650 }
651 else {
652 *pFlags |= HHT_ONDIVIDER;
653 *pItem = HEADER_PrevItem(hwnd, iCount);
654 TRACE("ON DIVIDER %d\n", *pItem);
655 return;
656 }
657 }
658 }
659 rcTest = rect;
660 rcTest.left = rcTest.right - DIVIDER_WIDTH;
661 if (PtInRect (&rcTest, *lpPt)) {
662 *pFlags |= HHT_ONDIVIDER;
663 *pItem = iCount;
664 TRACE("ON DIVIDER %d\n", *pItem);
665 return;
666 }
667
668 *pFlags |= HHT_ONHEADER;
669 *pItem = iCount;
670 TRACE("ON HEADER %d\n", iCount);
671 return;
672 }
673 }
674
675 /* check for last divider part (on nowhere) */
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 *pFlags |= HHT_NOWHERE;
695 *pItem = 1;
696 TRACE("NOWHERE\n");
697 return;
698 }
699 }
700 else {
701 if (lpPt->x < rect.left) {
702 TRACE("TO LEFT\n");
703 *pFlags |= HHT_TOLEFT;
704 }
705 else if (lpPt->x > rect.right) {
706 TRACE("TO RIGHT\n");
707 *pFlags |= HHT_TORIGHT;
708 }
709
710 if (lpPt->y < rect.top) {
711 TRACE("ABOVE\n");
712 *pFlags |= HHT_ABOVE;
713 }
714 else if (lpPt->y > rect.bottom) {
715 TRACE("BELOW\n");
716 *pFlags |= HHT_BELOW;
717 }
718 }
719
720 *pItem = 1;
721 TRACE("flags=0x%X\n", *pFlags);
722 return;
723 }
724
725
726 static void
727 HEADER_DrawTrackLine (HWND hwnd, HDC hdc, INT x)
728 {
729 RECT rect;
730 HPEN hOldPen;
731 INT oldRop;
732
733 GetClientRect (hwnd, &rect);
734
735 hOldPen = SelectObject (hdc, GetStockObject (BLACK_PEN));
736 oldRop = SetROP2 (hdc, R2_XORPEN);
737 MoveToEx (hdc, x, rect.top, NULL);
738 LineTo (hdc, x, rect.bottom);
739 SetROP2 (hdc, oldRop);
740 SelectObject (hdc, hOldPen);
741 }
742
743 /***
744 * DESCRIPTION:
745 * Convert a HDITEM into the correct format (ANSI/Unicode) to send it in a notify
746 *
747 * PARAMETER(S):
748 * [I] infoPtr : the header that wants to send the notify
749 * [O] dest : The buffer to store the HDITEM for notify. It may be set to a HDITEMA of HDITEMW
750 * [I] src : The source HDITEM. It may be a HDITEMA or HDITEMW
751 * [I] fSourceUnicode : is src a HDITEMW or HDITEMA
752 * [O] ppvScratch : a pointer to a scratch buffer that needs to be freed after
753 * the HDITEM is no longer in use or NULL if none was needed
754 *
755 * NOTE: We depend on HDITEMA and HDITEMW having the same structure
756 */
757 static void HEADER_CopyHDItemForNotify(HEADER_INFO *infoPtr, HDITEMW *dest,
758 HDITEMW *src, BOOL fSourceUnicode, LPVOID *ppvScratch)
759 {
760 *ppvScratch = NULL;
761 *dest = *src;
762
763 if (src->mask & HDI_TEXT && src->pszText != LPSTR_TEXTCALLBACKW) /* covers TEXTCALLBACKA as well */
764 {
765 if (fSourceUnicode && infoPtr->nNotifyFormat != NFR_UNICODE)
766 {
767 dest->pszText = NULL;
768 Str_SetPtrWtoA((LPSTR *)&dest->pszText, src->pszText);
769 *ppvScratch = dest->pszText;
770 }
771
772 if (!fSourceUnicode && infoPtr->nNotifyFormat == NFR_UNICODE)
773 {
774 dest->pszText = NULL;
775 Str_SetPtrAtoW(&dest->pszText, (LPSTR)src->pszText);
776 *ppvScratch = dest->pszText;
777 }
778 }
779 }
780
781 static UINT HEADER_NotifyCodeWtoA(UINT code)
782 {
783 /* we use the fact that all the unicode messages are in HDN_FIRST_UNICODE..HDN_LAST*/
784 if (code >= HDN_LAST && code <= HDN_FIRST_UNICODE)
785 return code + HDN_UNICODE_OFFSET;
786 else
787 return code;
788 }
789
790 static BOOL
791 HEADER_SendSimpleNotify (HWND hwnd, UINT code)
792 {
793 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
794 NMHDR nmhdr;
795
796 nmhdr.hwndFrom = hwnd;
797 nmhdr.idFrom = GetWindowLongPtrW (hwnd, GWLP_ID);
798 nmhdr.code = code;
799
800 return (BOOL)SendMessageW (infoPtr->hwndNotify, WM_NOTIFY,
801 (WPARAM)nmhdr.idFrom, (LPARAM)&nmhdr);
802 }
803
804 static BOOL
805 HEADER_SendHeaderNotifyT (HWND hwnd, UINT code, INT iItem, INT mask, HDITEMW *lpItem)
806 {
807 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
808 NMHEADERW nmhdr;
809 HDITEMW nmitem;
810
811 if (lpItem == NULL)
812 {
813 /* lpItem == NULL means that we should take the actual data from the item */
814 if (mask & HDI_TEXT)
815 {
816 FIXME("(): invalid parameters - lpItem == NULL and (mask & HDI_TEXT)\n");
817 mask &= ~HDI_TEXT;
818 }
819 nmitem.mask = mask;
820 nmitem.cxy = infoPtr->items[iItem].cxy;
821 nmitem.hbm = infoPtr->items[iItem].hbm;
822 nmitem.pszText = NULL;
823 nmitem.cchTextMax = 0;
824 nmitem.fmt = infoPtr->items[iItem].fmt;
825 nmitem.lParam = infoPtr->items[iItem].lParam;
826 nmitem.iOrder = infoPtr->items[iItem].iOrder;
827 nmitem.iImage = infoPtr->items[iItem].iImage;
828 lpItem = &nmitem;
829 }
830
831 nmhdr.hdr.hwndFrom = hwnd;
832 nmhdr.hdr.idFrom = GetWindowLongPtrW (hwnd, GWLP_ID);
833 nmhdr.hdr.code = (infoPtr->nNotifyFormat == NFR_UNICODE ? code : HEADER_NotifyCodeWtoA(code));
834 nmhdr.iItem = iItem;
835 nmhdr.iButton = 0;
836 nmhdr.pitem = lpItem;
837
838 return (BOOL)SendMessageW (infoPtr->hwndNotify, WM_NOTIFY,
839 (WPARAM)nmhdr.hdr.idFrom, (LPARAM)&nmhdr);
840 }
841
842 /**
843 * Prepare callback items
844 * depends on NMHDDISPINFOW having same structure as NMHDDISPINFOA
845 * (so we handle the two cases only doing a specific cast for pszText).
846 * Checks if any of the required field are callback. If there are sends a
847 * NMHDISPINFO notify to retrieve these items. The items are stored in the
848 * HEADER_ITEM pszText and iImage fields. They should be freed with
849 * HEADER_FreeCallbackItems.
850 *
851 * @param hwnd : hwnd header container handler
852 * @param iItem : the header item id
853 * @param reqMask : required fields. If any of them is callback this function will fetch it
854 *
855 * @return TRUE on success, else FALSE
856 */
857 static BOOL
858 HEADER_PrepareCallbackItems(HWND hwnd, INT iItem, INT reqMask)
859 {
860 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
861 HEADER_ITEM *lpItem = &infoPtr->items[iItem];
862 DWORD mask = reqMask & lpItem->callbackMask;
863 NMHDDISPINFOW dispInfo;
864 void *pvBuffer = NULL;
865
866 if (mask == 0)
867 return TRUE;
868 if (mask&HDI_TEXT && lpItem->pszText != NULL)
869 {
870 ERR("(): function called without a call to FreeCallbackItems\n");
871 Free(lpItem->pszText);
872 lpItem->pszText = NULL;
873 }
874
875 memset(&dispInfo, 0, sizeof(NMHDDISPINFOW));
876 dispInfo.hdr.hwndFrom = hwnd;
877 dispInfo.hdr.idFrom = GetWindowLongPtrW (hwnd, GWLP_ID);
878 if (infoPtr->nNotifyFormat == NFR_UNICODE)
879 {
880 dispInfo.hdr.code = HDN_GETDISPINFOW;
881 if (mask & HDI_TEXT)
882 pvBuffer = Alloc(MAX_HEADER_TEXT_LEN * sizeof(WCHAR));
883 }
884 else
885 {
886 dispInfo.hdr.code = HDN_GETDISPINFOA;
887 if (mask & HDI_TEXT)
888 pvBuffer = Alloc(MAX_HEADER_TEXT_LEN * sizeof(CHAR));
889 }
890 dispInfo.pszText = (LPWSTR)pvBuffer;
891 dispInfo.cchTextMax = (pvBuffer!=NULL?MAX_HEADER_TEXT_LEN:0);
892 dispInfo.iItem = iItem;
893 dispInfo.mask = mask;
894 dispInfo.lParam = lpItem->lParam;
895
896 TRACE("Sending HDN_GETDISPINFO%c\n", infoPtr->nNotifyFormat == NFR_UNICODE?'W':'A');
897 SendMessageW(infoPtr->hwndNotify, WM_NOTIFY,
898 (WPARAM) dispInfo.hdr.idFrom,
899 (LPARAM) &dispInfo);
900
901 TRACE("SendMessage returns(mask:0x%x,str:%s,lParam:%p)\n",
902 dispInfo.mask,
903 (infoPtr->nNotifyFormat == NFR_UNICODE ? debugstr_w(dispInfo.pszText) : (LPSTR) dispInfo.pszText),
904 (void*) dispInfo.lParam);
905
906 if (mask & HDI_IMAGE)
907 lpItem->iImage = dispInfo.iImage;
908 if (mask & HDI_TEXT)
909 {
910 if (infoPtr->nNotifyFormat == NFR_UNICODE)
911 {
912 lpItem->pszText = (LPWSTR)pvBuffer;
913
914 /* the user might have used his own buffer */
915 if (dispInfo.pszText != lpItem->pszText)
916 Str_GetPtrW(dispInfo.pszText, lpItem->pszText, MAX_HEADER_TEXT_LEN);
917 }
918 else
919 {
920 Str_SetPtrAtoW(&lpItem->pszText, (LPSTR)dispInfo.pszText);
921 Free(pvBuffer);
922 }
923 }
924
925 if (dispInfo.mask & HDI_DI_SETITEM)
926 {
927 /* make the items permanent */
928 lpItem->callbackMask &= ~dispInfo.mask;
929 }
930
931 return TRUE;
932 }
933
934 /***
935 * DESCRIPTION:
936 * Free the items that might be allocated with HEADER_PrepareCallbackItems
937 *
938 * PARAMETER(S):
939 * [I] lpItem : the item to free the data
940 *
941 */
942 static void
943 HEADER_FreeCallbackItems(HEADER_ITEM *lpItem)
944 {
945 if (lpItem->callbackMask&HDI_TEXT && lpItem->pszText != NULL)
946 {
947 Free(lpItem->pszText);
948 lpItem->pszText = NULL;
949 }
950
951 if (lpItem->callbackMask&HDI_IMAGE)
952 lpItem->iImage = I_IMAGECALLBACK;
953 }
954
955 static BOOL
956 HEADER_SendClickNotify (HWND hwnd, UINT code, INT iItem)
957 {
958 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
959 NMHEADERA nmhdr;
960
961 nmhdr.hdr.hwndFrom = hwnd;
962 nmhdr.hdr.idFrom = GetWindowLongPtrW (hwnd, GWLP_ID);
963 nmhdr.hdr.code = code;
964 nmhdr.iItem = iItem;
965 nmhdr.iButton = 0;
966 nmhdr.pitem = NULL;
967
968 return (BOOL)SendMessageA (infoPtr->hwndNotify, WM_NOTIFY,
969 (WPARAM)nmhdr.hdr.idFrom, (LPARAM)&nmhdr);
970 }
971
972 static LRESULT
973 HEADER_CreateDragImage (HWND hwnd, WPARAM wParam)
974 {
975 HEADER_INFO *infoPtr = HEADER_GetInfoPtr(hwnd);
976 HEADER_ITEM *lpItem;
977 HIMAGELIST himl;
978 HBITMAP hMemory, hOldBitmap;
979 HDC hMemoryDC;
980 HDC hDeviceDC;
981 int height, width;
982
983 if (wParam < 0 || wParam >= infoPtr->uNumItem)
984 return FALSE;
985 lpItem = &infoPtr->items[wParam];
986 width = lpItem->rect.right - lpItem->rect.left;
987 height = lpItem->rect.bottom - lpItem->rect.top;
988
989 hDeviceDC = GetDC(NULL);
990 hMemoryDC = CreateCompatibleDC(hDeviceDC);
991 hMemory = CreateCompatibleBitmap(hDeviceDC, width, height);
992 ReleaseDC(NULL, hDeviceDC);
993 hOldBitmap = SelectObject(hMemoryDC, hMemory);
994 SetViewportOrgEx(hMemoryDC, -lpItem->rect.left, -lpItem->rect.top, NULL);
995 HEADER_DrawItem(hwnd, hMemoryDC, wParam, FALSE);
996 hMemory = SelectObject(hMemoryDC, hOldBitmap);
997 DeleteDC(hMemoryDC);
998
999 if (hMemory == NULL) /* if anything failed */
1000 return FALSE;
1001
1002 himl = ImageList_Create(width, height, ILC_COLORDDB, 1, 1);
1003 ImageList_Add(himl, hMemory, NULL);
1004 DeleteObject(hMemory);
1005 return (LRESULT)himl;
1006 }
1007
1008 static LRESULT
1009 HEADER_SetHotDivider(HWND hwnd, WPARAM wParam, LPARAM lParam)
1010 {
1011 HEADER_INFO *infoPtr = HEADER_GetInfoPtr(hwnd);
1012 INT iDivider;
1013 RECT r;
1014
1015 if (wParam)
1016 {
1017 POINT pt;
1018 UINT flags;
1019 pt.x = (INT)(SHORT)LOWORD(lParam);
1020 pt.y = 0;
1021 HEADER_InternalHitTest (hwnd, &pt, &flags, &iDivider);
1022
1023 if (flags & HHT_TOLEFT)
1024 iDivider = 0;
1025 else if (flags & HHT_NOWHERE || flags & HHT_TORIGHT)
1026 iDivider = infoPtr->uNumItem;
1027 else
1028 {
1029 HEADER_ITEM *lpItem = &infoPtr->items[iDivider];
1030 if (pt.x > (lpItem->rect.left+lpItem->rect.right)/2)
1031 iDivider = HEADER_NextItem(hwnd, iDivider);
1032 }
1033 }
1034 else
1035 iDivider = (INT)lParam;
1036
1037 /* Note; wParam==FALSE, lParam==-1 is valid and is used to clear the hot divider */
1038 if (iDivider<-1 || iDivider>(int)infoPtr->uNumItem)
1039 return iDivider;
1040
1041 if (iDivider != infoPtr->iHotDivider)
1042 {
1043 if (infoPtr->iHotDivider != -1)
1044 {
1045 HEADER_GetHotDividerRect(hwnd, infoPtr, &r);
1046 InvalidateRect(hwnd, &r, FALSE);
1047 }
1048 infoPtr->iHotDivider = iDivider;
1049 if (iDivider != -1)
1050 {
1051 HEADER_GetHotDividerRect(hwnd, infoPtr, &r);
1052 InvalidateRect(hwnd, &r, FALSE);
1053 }
1054 }
1055 return iDivider;
1056 }
1057
1058 static LRESULT
1059 HEADER_DeleteItem (HWND hwnd, WPARAM wParam)
1060 {
1061 HEADER_INFO *infoPtr = HEADER_GetInfoPtr(hwnd);
1062 INT iItem = (INT)wParam;
1063
1064 TRACE("[iItem=%d]\n", iItem);
1065
1066 if ((iItem < 0) || (iItem >= (INT)infoPtr->uNumItem))
1067 return FALSE;
1068
1069 if (infoPtr->uNumItem == 1) {
1070 TRACE("Simple delete!\n");
1071 HEADER_DisposeItem(&infoPtr->items[0]);
1072 Free (infoPtr->items);
1073 Free(infoPtr->order);
1074 infoPtr->items = 0;
1075 infoPtr->order = 0;
1076 infoPtr->uNumItem = 0;
1077 }
1078 else {
1079 HEADER_ITEM *oldItems = infoPtr->items;
1080 INT i;
1081 INT iOrder;
1082 TRACE("Complex delete! [iItem=%d]\n", iItem);
1083
1084 for (i = 0; i < infoPtr->uNumItem; i++)
1085 TRACE("%d: order=%d, iOrder=%d, ->iOrder=%d\n", i, infoPtr->order[i], infoPtr->items[i].iOrder, infoPtr->items[infoPtr->order[i]].iOrder);
1086 HEADER_DisposeItem(&infoPtr->items[iItem]);
1087 iOrder = infoPtr->items[iItem].iOrder;
1088
1089 infoPtr->uNumItem--;
1090 infoPtr->items = Alloc (sizeof (HEADER_ITEM) * infoPtr->uNumItem);
1091 /* pre delete copy */
1092 if (iItem > 0) {
1093 memcpy (&infoPtr->items[0], &oldItems[0],
1094 iItem * sizeof(HEADER_ITEM));
1095 }
1096
1097 /* post delete copy */
1098 if (iItem < infoPtr->uNumItem) {
1099 memcpy (&infoPtr->items[iItem], &oldItems[iItem+1],
1100 (infoPtr->uNumItem - iItem) * sizeof(HEADER_ITEM));
1101 }
1102
1103 /* Correct the orders */
1104 if (iOrder < infoPtr->uNumItem)
1105 {
1106 memmove(&infoPtr->order[iOrder], &infoPtr->order[iOrder + 1],
1107 (infoPtr->uNumItem - iOrder) * sizeof(INT));
1108 for (i = 0; i < infoPtr->uNumItem; i++)
1109 {
1110 if (infoPtr->order[i] > iItem)
1111 infoPtr->order[i]--;
1112 if (i >= iOrder)
1113 infoPtr->items[infoPtr->order[i]].iOrder = infoPtr->order[i];
1114 }
1115 }
1116
1117 for (i = 0; i < infoPtr->uNumItem; i++)
1118 TRACE("%d: order=%d, iOrder=%d, ->iOrder=%d\n", i, infoPtr->order[i], infoPtr->items[i].iOrder, infoPtr->items[infoPtr->order[i]].iOrder);
1119 Free (oldItems);
1120 }
1121
1122 HEADER_SetItemBounds (hwnd);
1123
1124 InvalidateRect(hwnd, NULL, FALSE);
1125
1126 return TRUE;
1127 }
1128
1129
1130 static LRESULT
1131 HEADER_GetImageList (HWND hwnd)
1132 {
1133 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1134
1135 return (LRESULT)infoPtr->himl;
1136 }
1137
1138
1139 static LRESULT
1140 HEADER_GetItemT (HWND hwnd, INT nItem, LPHDITEMW phdi, BOOL bUnicode)
1141 {
1142 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1143 HEADER_ITEM *lpItem;
1144 UINT mask;
1145
1146 if (!phdi)
1147 return FALSE;
1148
1149 TRACE("[nItem=%d]\n", nItem);
1150
1151 mask = phdi->mask;
1152 if (mask == 0)
1153 return TRUE;
1154
1155 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
1156 return FALSE;
1157
1158 if (mask & HDI_UNKNOWN_FIELDS)
1159 {
1160 TRACE("mask %x contains unknown fields. Using only comctl32 4.0 fields\n", mask);
1161 mask &= HDI_COMCTL32_4_0_FIELDS;
1162 }
1163
1164 lpItem = &infoPtr->items[nItem];
1165 HEADER_PrepareCallbackItems(hwnd, nItem, mask);
1166
1167 if (mask & HDI_BITMAP)
1168 phdi->hbm = lpItem->hbm;
1169
1170 if (mask & HDI_FORMAT)
1171 phdi->fmt = lpItem->fmt;
1172
1173 if (mask & HDI_WIDTH)
1174 phdi->cxy = lpItem->cxy;
1175
1176 if (mask & HDI_LPARAM)
1177 phdi->lParam = lpItem->lParam;
1178
1179 if (mask & HDI_IMAGE)
1180 phdi->iImage = lpItem->iImage;
1181
1182 if (mask & HDI_ORDER)
1183 phdi->iOrder = lpItem->iOrder;
1184
1185 if (mask & HDI_TEXT)
1186 {
1187 if (bUnicode)
1188 Str_GetPtrW (lpItem->pszText, phdi->pszText, phdi->cchTextMax);
1189 else
1190 Str_GetPtrWtoA (lpItem->pszText, (LPSTR)phdi->pszText, phdi->cchTextMax);
1191 }
1192
1193 HEADER_FreeCallbackItems(lpItem);
1194 return TRUE;
1195 }
1196
1197
1198 inline static LRESULT
1199 HEADER_GetItemCount (HWND hwnd)
1200 {
1201 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1202 return infoPtr->uNumItem;
1203 }
1204
1205
1206 static LRESULT
1207 HEADER_GetItemRect (HWND hwnd, WPARAM wParam, LPARAM lParam)
1208 {
1209 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1210 INT iItem = (INT)wParam;
1211 LPRECT lpRect = (LPRECT)lParam;
1212
1213 if ((iItem < 0) || (iItem >= (INT)infoPtr->uNumItem))
1214 return FALSE;
1215
1216 lpRect->left = infoPtr->items[iItem].rect.left;
1217 lpRect->right = infoPtr->items[iItem].rect.right;
1218 lpRect->top = infoPtr->items[iItem].rect.top;
1219 lpRect->bottom = infoPtr->items[iItem].rect.bottom;
1220
1221 return TRUE;
1222 }
1223
1224
1225 static LRESULT
1226 HEADER_GetOrderArray(HWND hwnd, WPARAM wParam, LPARAM lParam)
1227 {
1228 LPINT order = (LPINT) lParam;
1229 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1230
1231 if ((unsigned int)wParam <infoPtr->uNumItem)
1232 return FALSE;
1233
1234 memcpy(order, infoPtr->order, infoPtr->uNumItem * sizeof(INT));
1235 return TRUE;
1236 }
1237
1238 static LRESULT
1239 HEADER_SetOrderArray(HWND hwnd, WPARAM wParam, LPARAM lParam)
1240 {
1241 int i;
1242 LPINT order = (LPINT) lParam;
1243 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1244 HEADER_ITEM *lpItem;
1245
1246 if ((unsigned int)wParam <infoPtr->uNumItem)
1247 return FALSE;
1248 memcpy(infoPtr->order, order, infoPtr->uNumItem * sizeof(INT));
1249 for (i=0; i<(int)wParam; i++)
1250 {
1251 lpItem = &infoPtr->items[*order++];
1252 lpItem->iOrder=i;
1253 }
1254 infoPtr->bRectsValid=0;
1255 InvalidateRect(hwnd, NULL, FALSE);
1256 return TRUE;
1257 }
1258
1259 inline static LRESULT
1260 HEADER_GetUnicodeFormat (HWND hwnd)
1261 {
1262 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1263 return (infoPtr->nNotifyFormat == NFR_UNICODE);
1264 }
1265
1266
1267 static LRESULT
1268 HEADER_HitTest (HWND hwnd, WPARAM wParam, LPARAM lParam)
1269 {
1270 LPHDHITTESTINFO phti = (LPHDHITTESTINFO)lParam;
1271
1272 HEADER_InternalHitTest (hwnd, &phti->pt, &phti->flags, &phti->iItem);
1273
1274 if (phti->flags == HHT_NOWHERE)
1275 return -1;
1276 else
1277 return phti->iItem;
1278 }
1279
1280
1281 static LRESULT
1282 HEADER_InsertItemT (HWND hwnd, INT nItem, LPHDITEMW phdi, BOOL bUnicode)
1283 {
1284 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1285 HEADER_ITEM *lpItem;
1286 INT iOrder;
1287 UINT i;
1288 UINT copyMask;
1289
1290 if ((phdi == NULL) || (nItem < 0) || (phdi->mask == 0))
1291 return -1;
1292
1293 if (nItem > infoPtr->uNumItem)
1294 nItem = infoPtr->uNumItem;
1295
1296 iOrder = (phdi->mask & HDI_ORDER) ? phdi->iOrder : nItem;
1297 if (iOrder < 0)
1298 iOrder = 0;
1299 else if (infoPtr->uNumItem < iOrder)
1300 iOrder = infoPtr->uNumItem;
1301
1302 if (infoPtr->uNumItem == 0) {
1303 infoPtr->items = Alloc (sizeof (HEADER_ITEM));
1304 infoPtr->order = Alloc(sizeof(INT));
1305 infoPtr->uNumItem++;
1306 }
1307 else {
1308 HEADER_ITEM *oldItems = infoPtr->items;
1309 INT *oldOrder = infoPtr->order;
1310
1311 infoPtr->uNumItem++;
1312 infoPtr->items = Alloc (sizeof (HEADER_ITEM) * infoPtr->uNumItem);
1313 if (nItem == 0) {
1314 memcpy (&infoPtr->items[1], &oldItems[0],
1315 (infoPtr->uNumItem-1) * sizeof(HEADER_ITEM));
1316 }
1317 else
1318 {
1319 /* pre insert copy */
1320 if (nItem > 0) {
1321 memcpy (&infoPtr->items[0], &oldItems[0],
1322 nItem * sizeof(HEADER_ITEM));
1323 }
1324
1325 /* post insert copy */
1326 if (nItem < infoPtr->uNumItem - 1) {
1327 memcpy (&infoPtr->items[nItem+1], &oldItems[nItem],
1328 (infoPtr->uNumItem - nItem - 1) * sizeof(HEADER_ITEM));
1329 }
1330 }
1331
1332 infoPtr->order = Alloc(sizeof(INT) * infoPtr->uNumItem);
1333 memcpy(infoPtr->order, oldOrder, iOrder * sizeof(INT));
1334 infoPtr->order[iOrder] = nItem;
1335 memcpy(&infoPtr->order[iOrder + 1], &oldOrder[iOrder],
1336 (infoPtr->uNumItem - iOrder - 1) * sizeof(INT));
1337
1338 Free (oldItems);
1339 Free(oldOrder);
1340 }
1341
1342 for (i = 0; i < infoPtr->uNumItem; i++)
1343 {
1344 if (i != iOrder && infoPtr->order[i] >= nItem)
1345 infoPtr->order[i]++;
1346 infoPtr->items[infoPtr->order[i]].iOrder = infoPtr->order[i];
1347 }
1348
1349 lpItem = &infoPtr->items[nItem];
1350 ZeroMemory(lpItem, sizeof(HEADER_ITEM));
1351 /* cxy, fmt and lParam are copied even if not in the HDITEM mask */
1352 copyMask = phdi->mask | HDI_WIDTH | HDI_FORMAT | HDI_LPARAM;
1353 HEADER_StoreHDItemInHeader(lpItem, copyMask, phdi, bUnicode);
1354
1355 /* set automatically some format bits */
1356 if (phdi->mask & HDI_TEXT)
1357 lpItem->fmt |= HDF_STRING;
1358 else
1359 lpItem->fmt &= ~HDF_STRING;
1360
1361 if (lpItem->hbm != NULL)
1362 lpItem->fmt |= HDF_BITMAP;
1363 else
1364 lpItem->fmt &= ~HDF_BITMAP;
1365
1366 if (phdi->mask & HDI_IMAGE)
1367 lpItem->fmt |= HDF_IMAGE;
1368
1369 lpItem->iOrder = iOrder;
1370
1371 HEADER_SetItemBounds (hwnd);
1372
1373 InvalidateRect(hwnd, NULL, FALSE);
1374
1375 return nItem;
1376 }
1377
1378
1379 static LRESULT
1380 HEADER_Layout (HWND hwnd, WPARAM wParam, LPARAM lParam)
1381 {
1382 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1383 LPHDLAYOUT lpLayout = (LPHDLAYOUT)lParam;
1384
1385 lpLayout->pwpos->hwnd = hwnd;
1386 lpLayout->pwpos->hwndInsertAfter = 0;
1387 lpLayout->pwpos->x = lpLayout->prc->left;
1388 lpLayout->pwpos->y = lpLayout->prc->top;
1389 lpLayout->pwpos->cx = lpLayout->prc->right - lpLayout->prc->left;
1390 if (GetWindowLongW (hwnd, GWL_STYLE) & HDS_HIDDEN)
1391 lpLayout->pwpos->cy = 0;
1392 else {
1393 lpLayout->pwpos->cy = infoPtr->nHeight;
1394 lpLayout->prc->top += infoPtr->nHeight;
1395 }
1396 lpLayout->pwpos->flags = SWP_NOZORDER;
1397
1398 TRACE("Layout x=%d y=%d cx=%d cy=%d\n",
1399 lpLayout->pwpos->x, lpLayout->pwpos->y,
1400 lpLayout->pwpos->cx, lpLayout->pwpos->cy);
1401
1402 infoPtr->bRectsValid = FALSE;
1403
1404 return TRUE;
1405 }
1406
1407
1408 static LRESULT
1409 HEADER_SetImageList (HWND hwnd, HIMAGELIST himl)
1410 {
1411 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1412 HIMAGELIST himlOld;
1413
1414 TRACE("(himl %p)\n", himl);
1415 himlOld = infoPtr->himl;
1416 infoPtr->himl = himl;
1417
1418 /* FIXME: Refresh needed??? */
1419
1420 return (LRESULT)himlOld;
1421 }
1422
1423
1424 static LRESULT
1425 HEADER_GetBitmapMargin(HWND hwnd)
1426 {
1427 HEADER_INFO *infoPtr = HEADER_GetInfoPtr(hwnd);
1428
1429 return infoPtr->iMargin;
1430 }
1431
1432 static LRESULT
1433 HEADER_SetBitmapMargin(HWND hwnd, WPARAM wParam)
1434 {
1435 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1436 INT oldMargin = infoPtr->iMargin;
1437
1438 infoPtr->iMargin = (INT)wParam;
1439
1440 return oldMargin;
1441 }
1442
1443 static LRESULT
1444 HEADER_SetItemT (HWND hwnd, INT nItem, LPHDITEMW phdi, BOOL bUnicode)
1445 {
1446 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1447 HEADER_ITEM *lpItem;
1448 HDITEMW hdNotify;
1449 void *pvScratch;
1450
1451 if (phdi == NULL)
1452 return FALSE;
1453 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
1454 return FALSE;
1455
1456 TRACE("[nItem=%d]\n", nItem);
1457
1458 HEADER_CopyHDItemForNotify(infoPtr, &hdNotify, phdi, bUnicode, &pvScratch);
1459 if (HEADER_SendHeaderNotifyT (hwnd, HDN_ITEMCHANGINGW, nItem, phdi->mask, &hdNotify))
1460 {
1461 if (pvScratch) Free(pvScratch);
1462 return FALSE;
1463 }
1464
1465 lpItem = &infoPtr->items[nItem];
1466 HEADER_StoreHDItemInHeader(lpItem, phdi->mask, phdi, bUnicode);
1467
1468 if (phdi->mask & HDI_ORDER)
1469 if (phdi->iOrder >= 0 && phdi->iOrder < infoPtr->uNumItem)
1470 HEADER_ChangeItemOrder(infoPtr, nItem, phdi->iOrder);
1471
1472 HEADER_SendHeaderNotifyT (hwnd, HDN_ITEMCHANGEDW, nItem, phdi->mask, &hdNotify);
1473
1474 HEADER_SetItemBounds (hwnd);
1475
1476 InvalidateRect(hwnd, NULL, FALSE);
1477
1478 if (pvScratch != NULL)
1479 Free(pvScratch);
1480 return TRUE;
1481 }
1482
1483 inline static LRESULT
1484 HEADER_SetUnicodeFormat (HWND hwnd, WPARAM wParam)
1485 {
1486 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1487 BOOL bTemp = (infoPtr->nNotifyFormat == NFR_UNICODE);
1488
1489 infoPtr->nNotifyFormat = ((BOOL)wParam ? NFR_UNICODE : NFR_ANSI);
1490
1491 return bTemp;
1492 }
1493
1494
1495 static LRESULT
1496 HEADER_Create (HWND hwnd, WPARAM wParam, LPARAM lParam)
1497 {
1498 HEADER_INFO *infoPtr;
1499 TEXTMETRICW tm;
1500 HFONT hOldFont;
1501 HDC hdc;
1502
1503 infoPtr = (HEADER_INFO *)Alloc (sizeof(HEADER_INFO));
1504 SetWindowLongPtrW (hwnd, 0, (DWORD_PTR)infoPtr);
1505
1506 infoPtr->hwndNotify = ((LPCREATESTRUCTA)lParam)->hwndParent;
1507 infoPtr->uNumItem = 0;
1508 infoPtr->hFont = 0;
1509 infoPtr->items = 0;
1510 infoPtr->order = 0;
1511 infoPtr->bRectsValid = FALSE;
1512 infoPtr->hcurArrow = LoadCursorW (0, (LPWSTR)IDC_ARROW);
1513 infoPtr->hcurDivider = LoadCursorW (COMCTL32_hModule, MAKEINTRESOURCEW(IDC_DIVIDER));
1514 infoPtr->hcurDivopen = LoadCursorW (COMCTL32_hModule, MAKEINTRESOURCEW(IDC_DIVIDEROPEN));
1515 infoPtr->bPressed = FALSE;
1516 infoPtr->bTracking = FALSE;
1517 infoPtr->iMoveItem = 0;
1518 infoPtr->himl = 0;
1519 infoPtr->iHotItem = -1;
1520 infoPtr->iHotDivider = -1;
1521 infoPtr->iMargin = 3*GetSystemMetrics(SM_CXEDGE);
1522 infoPtr->nNotifyFormat =
1523 SendMessageW (infoPtr->hwndNotify, WM_NOTIFYFORMAT, (WPARAM)hwnd, NF_QUERY);
1524
1525 hdc = GetDC (0);
1526 hOldFont = SelectObject (hdc, GetStockObject (SYSTEM_FONT));
1527 GetTextMetricsW (hdc, &tm);
1528 infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
1529 SelectObject (hdc, hOldFont);
1530 ReleaseDC (0, hdc);
1531
1532 OpenThemeData(hwnd, themeClass);
1533
1534 return 0;
1535 }
1536
1537
1538 static LRESULT
1539 HEADER_Destroy (HWND hwnd, WPARAM wParam, LPARAM lParam)
1540 {
1541 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1542 HEADER_ITEM *lpItem;
1543 INT nItem;
1544 HTHEME theme;
1545
1546 if (infoPtr->items) {
1547 lpItem = infoPtr->items;
1548 for (nItem = 0; nItem < infoPtr->uNumItem; nItem++, lpItem++) {
1549 HEADER_DisposeItem(lpItem);
1550 }
1551 Free (infoPtr->items);
1552 }
1553
1554 if (infoPtr->order)
1555 Free(infoPtr->order);
1556
1557 if (infoPtr->himl)
1558 ImageList_Destroy (infoPtr->himl);
1559
1560 SetWindowLongPtrW (hwnd, 0, 0);
1561 Free (infoPtr);
1562
1563 theme = GetWindowTheme(hwnd);
1564 CloseThemeData(theme);
1565 return 0;
1566 }
1567
1568
1569 static inline LRESULT
1570 HEADER_GetFont (HWND hwnd)
1571 {
1572 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1573
1574 return (LRESULT)infoPtr->hFont;
1575 }
1576
1577
1578 static BOOL
1579 HEADER_IsDragDistance(HEADER_INFO *infoPtr, POINT *pt)
1580 {
1581 /* Windows allows for a mouse movement before starting the drag. We use the
1582 * SM_CXDOUBLECLICK/SM_CYDOUBLECLICK as that distance.
1583 */
1584 return (abs(infoPtr->ptLButtonDown.x - pt->x)>GetSystemMetrics(SM_CXDOUBLECLK) ||
1585 abs(infoPtr->ptLButtonDown.y - pt->y)>GetSystemMetrics(SM_CYDOUBLECLK));
1586 }
1587
1588 static LRESULT
1589 HEADER_LButtonDblClk (HWND hwnd, WPARAM wParam, LPARAM lParam)
1590 {
1591 POINT pt;
1592 UINT flags;
1593 INT nItem;
1594
1595 pt.x = (INT)LOWORD(lParam);
1596 pt.y = (INT)HIWORD(lParam);
1597 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1598
1599 if ((GetWindowLongW (hwnd, GWL_STYLE) & HDS_BUTTONS) && (flags == HHT_ONHEADER))
1600 HEADER_SendHeaderNotifyT (hwnd, HDN_ITEMDBLCLICKW, nItem, 0, NULL);
1601 else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN))
1602 HEADER_SendHeaderNotifyT (hwnd, HDN_DIVIDERDBLCLICKW, nItem, 0, NULL);
1603
1604 return 0;
1605 }
1606
1607
1608 static LRESULT
1609 HEADER_LButtonDown (HWND hwnd, WPARAM wParam, LPARAM lParam)
1610 {
1611 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1612 DWORD dwStyle = GetWindowLongW (hwnd, GWL_STYLE);
1613 POINT pt;
1614 UINT flags;
1615 INT nItem;
1616 HDC hdc;
1617
1618 pt.x = (INT)LOWORD(lParam);
1619 pt.y = (INT)HIWORD(lParam);
1620 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1621
1622 if ((dwStyle & HDS_BUTTONS) && (flags == HHT_ONHEADER)) {
1623 SetCapture (hwnd);
1624 infoPtr->bCaptured = TRUE;
1625 infoPtr->bPressed = TRUE;
1626 infoPtr->bDragging = FALSE;
1627 infoPtr->iMoveItem = nItem;
1628 infoPtr->ptLButtonDown = pt;
1629
1630 infoPtr->items[nItem].bDown = TRUE;
1631
1632 /* Send WM_CUSTOMDRAW */
1633 hdc = GetDC (hwnd);
1634 HEADER_RefreshItem (hwnd, hdc, nItem);
1635 ReleaseDC (hwnd, hdc);
1636
1637 TRACE("Pressed item %d!\n", nItem);
1638 }
1639 else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN)) {
1640 if (!(HEADER_SendHeaderNotifyT (hwnd, HDN_BEGINTRACKW, nItem, HDI_WIDTH, NULL))) {
1641 SetCapture (hwnd);
1642 infoPtr->bCaptured = TRUE;
1643 infoPtr->bTracking = TRUE;
1644 infoPtr->iMoveItem = nItem;
1645 infoPtr->nOldWidth = infoPtr->items[nItem].cxy;
1646 infoPtr->xTrackOffset = infoPtr->items[nItem].rect.right - pt.x;
1647
1648 if (!(dwStyle & HDS_FULLDRAG)) {
1649 infoPtr->xOldTrack = infoPtr->items[nItem].rect.right;
1650 hdc = GetDC (hwnd);
1651 HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
1652 ReleaseDC (hwnd, hdc);
1653 }
1654
1655 TRACE("Begin tracking item %d!\n", nItem);
1656 }
1657 }
1658
1659 return 0;
1660 }
1661
1662
1663 static LRESULT
1664 HEADER_LButtonUp (HWND hwnd, WPARAM wParam, LPARAM lParam)
1665 {
1666 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1667 DWORD dwStyle = GetWindowLongW (hwnd, GWL_STYLE);
1668 POINT pt;
1669 UINT flags;
1670 INT nItem, nWidth;
1671 HDC hdc;
1672
1673 pt.x = (INT)(SHORT)LOWORD(lParam);
1674 pt.y = (INT)(SHORT)HIWORD(lParam);
1675 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1676
1677 if (infoPtr->bPressed) {
1678 if (infoPtr->bDragging)
1679 {
1680 HEADER_ITEM *lpItem = &infoPtr->items[infoPtr->iMoveItem];
1681 INT iNewOrder;
1682
1683 ImageList_DragShowNolock(FALSE);
1684 ImageList_EndDrag();
1685 lpItem->bDown=FALSE;
1686
1687 if (infoPtr->iHotDivider == -1)
1688 iNewOrder = -1;
1689 else if (infoPtr->iHotDivider == infoPtr->uNumItem)
1690 iNewOrder = infoPtr->uNumItem-1;
1691 else
1692 {
1693 iNewOrder = HEADER_IndexToOrder(hwnd, infoPtr->iHotDivider);
1694 if (iNewOrder > lpItem->iOrder)
1695 iNewOrder--;
1696 }
1697
1698 /* FIXME: the new order field should be sent, not the old one */
1699 if (iNewOrder != -1 &&
1700 !HEADER_SendHeaderNotifyT(hwnd, HDN_ENDDRAG, infoPtr->iMoveItem, HDI_ORDER, NULL))
1701 {
1702 HEADER_ChangeItemOrder(infoPtr, infoPtr->iMoveItem, iNewOrder);
1703 infoPtr->bRectsValid = FALSE;
1704 InvalidateRect(hwnd, NULL, FALSE);
1705 }
1706 else
1707 InvalidateRect(hwnd, &infoPtr->items[infoPtr->iMoveItem].rect, FALSE);
1708
1709 HEADER_SetHotDivider(hwnd, FALSE, -1);
1710 }
1711 else if (!(dwStyle&HDS_DRAGDROP) || !HEADER_IsDragDistance(infoPtr, &pt))
1712 {
1713 infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
1714 hdc = GetDC (hwnd);
1715 HEADER_RefreshItem (hwnd, hdc, infoPtr->iMoveItem);
1716 ReleaseDC (hwnd, hdc);
1717
1718 HEADER_SendClickNotify (hwnd, HDN_ITEMCLICKA, infoPtr->iMoveItem);
1719 }
1720
1721 TRACE("Released item %d!\n", infoPtr->iMoveItem);
1722 infoPtr->bPressed = FALSE;
1723 }
1724 else if (infoPtr->bTracking) {
1725 TRACE("End tracking item %d!\n", infoPtr->iMoveItem);
1726 infoPtr->bTracking = FALSE;
1727
1728 HEADER_SendHeaderNotifyT (hwnd, HDN_ENDTRACKW, infoPtr->iMoveItem, HDI_WIDTH, NULL);
1729
1730 if (!(dwStyle & HDS_FULLDRAG)) {
1731 hdc = GetDC (hwnd);
1732 HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
1733 ReleaseDC (hwnd, hdc);
1734 }
1735
1736 if (HEADER_SendHeaderNotifyT(hwnd, HDN_ITEMCHANGINGW, infoPtr->iMoveItem, HDI_WIDTH, NULL))
1737 {
1738 infoPtr->items[infoPtr->iMoveItem].cxy = infoPtr->nOldWidth;
1739 }
1740 else {
1741 nWidth = pt.x - infoPtr->items[infoPtr->iMoveItem].rect.left + infoPtr->xTrackOffset;
1742 if (nWidth < 0)
1743 nWidth = 0;
1744 infoPtr->items[infoPtr->iMoveItem].cxy = nWidth;
1745 }
1746
1747 HEADER_SetItemBounds (hwnd);
1748 InvalidateRect(hwnd, NULL, TRUE);
1749 HEADER_SendHeaderNotifyT(hwnd, HDN_ITEMCHANGEDW, infoPtr->iMoveItem, HDI_WIDTH, NULL);
1750 }
1751
1752 if (infoPtr->bCaptured) {
1753 infoPtr->bCaptured = FALSE;
1754 ReleaseCapture ();
1755 HEADER_SendSimpleNotify (hwnd, NM_RELEASEDCAPTURE);
1756 }
1757
1758 return 0;
1759 }
1760
1761
1762 static LRESULT
1763 HEADER_NotifyFormat (HWND hwnd, WPARAM wParam, LPARAM lParam)
1764 {
1765 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1766
1767 switch (lParam)
1768 {
1769 case NF_QUERY:
1770 return infoPtr->nNotifyFormat;
1771
1772 case NF_REQUERY:
1773 infoPtr->nNotifyFormat =
1774 SendMessageW ((HWND)wParam, WM_NOTIFYFORMAT,
1775 (WPARAM)hwnd, (LPARAM)NF_QUERY);
1776 return infoPtr->nNotifyFormat;
1777 }
1778
1779 return 0;
1780 }
1781
1782 static LRESULT
1783 HEADER_MouseLeave (HWND hwnd, WPARAM wParam, LPARAM lParam)
1784 {
1785 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1786 /* Reset hot-tracked item when mouse leaves control. */
1787 INT oldHotItem = infoPtr->iHotItem;
1788 HDC hdc = GetDC (hwnd);
1789
1790 infoPtr->iHotItem = -1;
1791 if (oldHotItem != -1) HEADER_RefreshItem (hwnd, hdc, oldHotItem);
1792 ReleaseDC (hwnd, hdc);
1793
1794 return 0;
1795 }
1796
1797
1798 static LRESULT
1799 HEADER_MouseMove (HWND hwnd, WPARAM wParam, LPARAM lParam)
1800 {
1801 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1802 DWORD dwStyle = GetWindowLongW (hwnd, GWL_STYLE);
1803 POINT pt;
1804 UINT flags;
1805 INT nItem, nWidth;
1806 HDC hdc;
1807 /* With theming, hottracking is always enabled */
1808 BOOL hotTrackEnabled =
1809 ((dwStyle & HDS_BUTTONS) && (dwStyle & HDS_HOTTRACK))
1810 || (GetWindowTheme (hwnd) != NULL);
1811 INT oldHotItem = infoPtr->iHotItem;
1812
1813 pt.x = (INT)(SHORT)LOWORD(lParam);
1814 pt.y = (INT)(SHORT)HIWORD(lParam);
1815 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1816
1817 if (hotTrackEnabled) {
1818 if (flags & (HHT_ONHEADER | HHT_ONDIVIDER | HHT_ONDIVOPEN))
1819 infoPtr->iHotItem = nItem;
1820 else
1821 infoPtr->iHotItem = -1;
1822 }
1823
1824 if (infoPtr->bCaptured) {
1825 /* check if we should drag the header */
1826 if (infoPtr->bPressed && !infoPtr->bDragging && dwStyle&HDS_DRAGDROP
1827 && HEADER_IsDragDistance(infoPtr, &pt))
1828 {
1829 if (!HEADER_SendHeaderNotifyT(hwnd, HDN_BEGINDRAG, infoPtr->iMoveItem, 0, NULL))
1830 {
1831 HIMAGELIST hDragItem = (HIMAGELIST)HEADER_CreateDragImage(hwnd, infoPtr->iMoveItem);
1832 if (hDragItem != NULL)
1833 {
1834 HEADER_ITEM *lpItem = &infoPtr->items[infoPtr->iMoveItem];
1835 TRACE("Starting item drag\n");
1836 ImageList_BeginDrag(hDragItem, 0, pt.x - lpItem->rect.left, 0);
1837 ImageList_DragShowNolock(TRUE);
1838 ImageList_Destroy(hDragItem);
1839 infoPtr->bDragging = TRUE;
1840 }
1841 }
1842 }
1843
1844 if (infoPtr->bDragging)
1845 {
1846 POINT drag;
1847 drag.x = pt.x;
1848 drag.y = 0;
1849 ClientToScreen(hwnd, &drag);
1850 ImageList_DragMove(drag.x, drag.y);
1851 HEADER_SetHotDivider(hwnd, TRUE, lParam);
1852 }
1853
1854 if (infoPtr->bPressed && !infoPtr->bDragging) {
1855 BOOL oldState = infoPtr->items[infoPtr->iMoveItem].bDown;
1856 if ((nItem == infoPtr->iMoveItem) && (flags == HHT_ONHEADER))
1857 infoPtr->items[infoPtr->iMoveItem].bDown = TRUE;
1858 else
1859 infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
1860 if (oldState != infoPtr->items[infoPtr->iMoveItem].bDown) {
1861 hdc = GetDC (hwnd);
1862 HEADER_RefreshItem (hwnd, hdc, infoPtr->iMoveItem);
1863 ReleaseDC (hwnd, hdc);
1864 }
1865
1866 TRACE("Moving pressed item %d!\n", infoPtr->iMoveItem);
1867 }
1868 else if (infoPtr->bTracking) {
1869 if (dwStyle & HDS_FULLDRAG) {
1870 if (!HEADER_SendHeaderNotifyT (hwnd, HDN_ITEMCHANGINGW, infoPtr->iMoveItem, HDI_WIDTH, NULL))
1871 {
1872 HEADER_ITEM *lpItem = &infoPtr->items[infoPtr->iMoveItem];
1873 INT nOldWidth = lpItem->rect.right - lpItem->rect.left;
1874 RECT rcClient;
1875 RECT rcScroll;
1876
1877 nWidth = pt.x - lpItem->rect.left + infoPtr->xTrackOffset;
1878 if (nWidth < 0) nWidth = 0;
1879 infoPtr->items[infoPtr->iMoveItem].cxy = nWidth;
1880 HEADER_SetItemBounds(hwnd);
1881
1882 GetClientRect(hwnd, &rcClient);
1883 rcScroll = rcClient;
1884 rcScroll.left = lpItem->rect.left + nOldWidth;
1885 ScrollWindowEx(hwnd, nWidth - nOldWidth, 0, &rcScroll, &rcClient, NULL, NULL, 0);
1886 InvalidateRect(hwnd, &lpItem->rect, FALSE);
1887 UpdateWindow(hwnd);
1888
1889 HEADER_SendHeaderNotifyT(hwnd, HDN_ITEMCHANGEDW, infoPtr->iMoveItem, HDI_WIDTH, NULL);
1890 }
1891 }
1892 else {
1893 hdc = GetDC (hwnd);
1894 HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
1895 infoPtr->xOldTrack = pt.x + infoPtr->xTrackOffset;
1896 if (infoPtr->xOldTrack < infoPtr->items[infoPtr->iMoveItem].rect.left)
1897 infoPtr->xOldTrack = infoPtr->items[infoPtr->iMoveItem].rect.left;
1898 infoPtr->items[infoPtr->iMoveItem].cxy =
1899 infoPtr->xOldTrack - infoPtr->items[infoPtr->iMoveItem].rect.left;
1900 HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
1901 ReleaseDC (hwnd, hdc);
1902 HEADER_SendHeaderNotifyT (hwnd, HDN_TRACKW, infoPtr->iMoveItem, HDI_WIDTH, NULL);
1903 }
1904
1905 TRACE("Tracking item %d!\n", infoPtr->iMoveItem);
1906 }
1907 }
1908
1909 if (hotTrackEnabled) {
1910 TRACKMOUSEEVENT tme;
1911 if (oldHotItem != infoPtr->iHotItem && !infoPtr->bDragging) {
1912 hdc = GetDC (hwnd);
1913 if (oldHotItem != -1) HEADER_RefreshItem (hwnd, hdc, oldHotItem);
1914 if (infoPtr->iHotItem != -1) HEADER_RefreshItem (hwnd, hdc, infoPtr->iHotItem);
1915 ReleaseDC (hwnd, hdc);
1916 }
1917 tme.cbSize = sizeof( tme );
1918 tme.dwFlags = TME_LEAVE;
1919 tme.hwndTrack = hwnd;
1920 TrackMouseEvent( &tme );
1921 }
1922
1923 return 0;
1924 }
1925
1926
1927 static LRESULT
1928 HEADER_Paint (HWND hwnd, WPARAM wParam)
1929 {
1930 HDC hdc;
1931 PAINTSTRUCT ps;
1932
1933 hdc = wParam==0 ? BeginPaint (hwnd, &ps) : (HDC)wParam;
1934 HEADER_Refresh (hwnd, hdc);
1935 if(!wParam)
1936 EndPaint (hwnd, &ps);
1937 return 0;
1938 }
1939
1940
1941 static LRESULT
1942 HEADER_RButtonUp (HWND hwnd, WPARAM wParam, LPARAM lParam)
1943 {
1944 BOOL bRet;
1945 POINT pt;
1946
1947 pt.x = LOWORD(lParam);
1948 pt.y = HIWORD(lParam);
1949
1950 /* Send a Notify message */
1951 bRet = HEADER_SendSimpleNotify (hwnd, NM_RCLICK);
1952
1953 /* Change to screen coordinate for WM_CONTEXTMENU */
1954 ClientToScreen(hwnd, &pt);
1955
1956 /* Send a WM_CONTEXTMENU message in response to the RBUTTONUP */
1957 SendMessageW( hwnd, WM_CONTEXTMENU, (WPARAM) hwnd, MAKELPARAM(pt.x, pt.y));
1958
1959 return bRet;
1960 }
1961
1962
1963 static LRESULT
1964 HEADER_SetCursor (HWND hwnd, WPARAM wParam, LPARAM lParam)
1965 {
1966 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1967 POINT pt;
1968 UINT flags;
1969 INT nItem;
1970
1971 TRACE("code=0x%X id=0x%X\n", LOWORD(lParam), HIWORD(lParam));
1972
1973 GetCursorPos (&pt);
1974 ScreenToClient (hwnd, &pt);
1975
1976 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1977
1978 if (flags == HHT_ONDIVIDER)
1979 SetCursor (infoPtr->hcurDivider);
1980 else if (flags == HHT_ONDIVOPEN)
1981 SetCursor (infoPtr->hcurDivopen);
1982 else
1983 SetCursor (infoPtr->hcurArrow);
1984
1985 return 0;
1986 }
1987
1988
1989 static LRESULT
1990 HEADER_SetFont (HWND hwnd, WPARAM wParam, LPARAM lParam)
1991 {
1992 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1993 TEXTMETRICW tm;
1994 HFONT hFont, hOldFont;
1995 HDC hdc;
1996
1997 infoPtr->hFont = (HFONT)wParam;
1998
1999 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT);
2000
2001 hdc = GetDC (0);
2002 hOldFont = SelectObject (hdc, hFont);
2003 GetTextMetricsW (hdc, &tm);
2004 infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
2005 SelectObject (hdc, hOldFont);
2006 ReleaseDC (0, hdc);
2007
2008 infoPtr->bRectsValid = FALSE;
2009
2010 if (lParam) {
2011 InvalidateRect(hwnd, NULL, FALSE);
2012 }
2013
2014 return 0;
2015 }
2016
2017 /* Update the theme handle after a theme change */
2018 static LRESULT HEADER_ThemeChanged(HWND hwnd)
2019 {
2020 HTHEME theme = GetWindowTheme(hwnd);
2021 CloseThemeData(theme);
2022 OpenThemeData(hwnd, themeClass);
2023 InvalidateRect(hwnd, NULL, FALSE);
2024 return 0;
2025 }
2026
2027
2028 static LRESULT WINAPI
2029 HEADER_WindowProc (HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
2030 {
2031 TRACE("hwnd=%p msg=%x wparam=%x lParam=%lx\n", hwnd, msg, wParam, lParam);
2032 if (!HEADER_GetInfoPtr (hwnd) && (msg != WM_CREATE))
2033 return DefWindowProcW (hwnd, msg, wParam, lParam);
2034 switch (msg) {
2035 /* case HDM_CLEARFILTER: */
2036
2037 case HDM_CREATEDRAGIMAGE:
2038 return HEADER_CreateDragImage (hwnd, wParam);
2039
2040 case HDM_DELETEITEM:
2041 return HEADER_DeleteItem (hwnd, wParam);
2042
2043 /* case HDM_EDITFILTER: */
2044
2045 case HDM_GETBITMAPMARGIN:
2046 return HEADER_GetBitmapMargin(hwnd);
2047
2048 case HDM_GETIMAGELIST:
2049 return HEADER_GetImageList (hwnd);
2050
2051 case HDM_GETITEMA:
2052 case HDM_GETITEMW:
2053 return HEADER_GetItemT (hwnd, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_GETITEMW);
2054
2055 case HDM_GETITEMCOUNT:
2056 return HEADER_GetItemCount (hwnd);
2057
2058 case HDM_GETITEMRECT:
2059 return HEADER_GetItemRect (hwnd, wParam, lParam);
2060
2061 case HDM_GETORDERARRAY:
2062 return HEADER_GetOrderArray(hwnd, wParam, lParam);
2063
2064 case HDM_GETUNICODEFORMAT:
2065 return HEADER_GetUnicodeFormat (hwnd);
2066
2067 case HDM_HITTEST:
2068 return HEADER_HitTest (hwnd, wParam, lParam);
2069
2070 case HDM_INSERTITEMA:
2071 case HDM_INSERTITEMW:
2072 return HEADER_InsertItemT (hwnd, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_INSERTITEMW);
2073
2074 case HDM_LAYOUT:
2075 return HEADER_Layout (hwnd, wParam, lParam);
2076
2077 case HDM_ORDERTOINDEX:
2078 return HEADER_OrderToIndex(hwnd, wParam);
2079
2080 case HDM_SETBITMAPMARGIN:
2081 return HEADER_SetBitmapMargin(hwnd, wParam);
2082
2083 /* case HDM_SETFILTERCHANGETIMEOUT: */
2084
2085 case HDM_SETHOTDIVIDER:
2086 return HEADER_SetHotDivider(hwnd, wParam, lParam);
2087
2088 case HDM_SETIMAGELIST:
2089 return HEADER_SetImageList (hwnd, (HIMAGELIST)lParam);
2090
2091 case HDM_SETITEMA:
2092 case HDM_SETITEMW:
2093 return HEADER_SetItemT (hwnd, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_SETITEMW);
2094
2095 case HDM_SETORDERARRAY:
2096 return HEADER_SetOrderArray(hwnd, wParam, lParam);
2097
2098 case HDM_SETUNICODEFORMAT:
2099 return HEADER_SetUnicodeFormat (hwnd, wParam);
2100
2101 case WM_CREATE:
2102 return HEADER_Create (hwnd, wParam, lParam);
2103
2104 case WM_DESTROY:
2105 return HEADER_Destroy (hwnd, wParam, lParam);
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 (hwnd);
2115
2116 case WM_LBUTTONDBLCLK:
2117 return HEADER_LButtonDblClk (hwnd, wParam, lParam);
2118
2119 case WM_LBUTTONDOWN:
2120 return HEADER_LButtonDown (hwnd, wParam, lParam);
2121
2122 case WM_LBUTTONUP:
2123 return HEADER_LButtonUp (hwnd, wParam, lParam);
2124
2125 case WM_MOUSELEAVE:
2126 return HEADER_MouseLeave (hwnd, wParam, lParam);
2127
2128 case WM_MOUSEMOVE:
2129 return HEADER_MouseMove (hwnd, wParam, lParam);
2130
2131 case WM_NOTIFYFORMAT:
2132 return HEADER_NotifyFormat (hwnd, wParam, lParam);
2133
2134 case WM_SIZE:
2135 return HEADER_Size (hwnd, wParam);
2136
2137 case WM_THEMECHANGED:
2138 return HEADER_ThemeChanged (hwnd);
2139
2140 case WM_PRINTCLIENT:
2141 case WM_PAINT:
2142 return HEADER_Paint (hwnd, wParam);
2143
2144 case WM_RBUTTONUP:
2145 return HEADER_RButtonUp (hwnd, wParam, lParam);
2146
2147 case WM_SETCURSOR:
2148 return HEADER_SetCursor (hwnd, wParam, lParam);
2149
2150 case WM_SETFONT:
2151 return HEADER_SetFont (hwnd, wParam, lParam);
2152
2153 default:
2154 if ((msg >= WM_USER) && (msg < WM_APP))
2155 ERR("unknown msg %04x wp=%04x lp=%08lx\n",
2156 msg, wParam, lParam );
2157 return DefWindowProcA (hwnd, msg, wParam, lParam);
2158 }
2159 }
2160
2161
2162 VOID
2163 HEADER_Register (void)
2164 {
2165 WNDCLASSW wndClass;
2166
2167 ZeroMemory (&wndClass, sizeof(WNDCLASSW));
2168 wndClass.style = CS_GLOBALCLASS | CS_DBLCLKS;
2169 wndClass.lpfnWndProc = HEADER_WindowProc;
2170 wndClass.cbClsExtra = 0;
2171 wndClass.cbWndExtra = sizeof(HEADER_INFO *);
2172 wndClass.hCursor = LoadCursorW (0, (LPWSTR)IDC_ARROW);
2173 wndClass.lpszClassName = WC_HEADERW;
2174
2175 RegisterClassW (&wndClass);
2176 }
2177
2178
2179 VOID
2180 HEADER_Unregister (void)
2181 {
2182 UnregisterClassW (WC_HEADERW, NULL);
2183 }
Windows API implementation