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Fixed header dependencies to be fully compatible with the Windows
[wine/multimedia.git] / dlls / comctl32 / header.c
blob0d47f130a9e52edd092894ea3b5267279447e0c1
1 /*
2 * Header control
3 *
4 * Copyright 1998 Eric Kohl
5 * Copyright 2000 Eric Kohl for CodeWeavers
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 *
21 * TODO:
22 * - Imagelist support (partially).
23 * - Callback items (under construction).
24 * - Hottrack support (partially).
25 * - Custom draw support (including Notifications).
26 * - Drag and Drop support (including Notifications).
27 * - New messages.
28 * - Use notification format
29 * - Correct the order maintenance code to preserve valid order
30 *
31 * FIXME:
32 * - Little flaw when drawing a bitmap on the right side of the text.
33 */
34
35 #include <stdarg.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 "wine/debug.h"
48
49 WINE_DEFAULT_DEBUG_CHANNEL(header);
50
51 typedef struct
52 {
53 INT cxy;
54 HBITMAP hbm;
55 LPWSTR pszText;
56 INT fmt;
57 LPARAM lParam;
58 INT iImage;
59 INT iOrder; /* see documentation of HD_ITEM */
60
61 BOOL bDown; /* is item pressed? (used for drawing) */
62 RECT rect; /* bounding rectangle of the item */
63 } HEADER_ITEM;
64
65
66 typedef struct
67 {
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 bTracking; /* Is in tracking mode? */
79 BOOL bUnicode; /* Unicode flag */
80 INT iMoveItem; /* index of tracked item. (Tracking mode) */
81 INT xTrackOffset; /* distance between the right side of the tracked item and the cursor */
82 INT xOldTrack; /* track offset (see above) after the last WM_MOUSEMOVE */
83 INT nOldWidth; /* width of a sizing item after the last WM_MOUSEMOVE */
84 INT iHotItem; /* index of hot item (cursor is over this item) */
85
86 HIMAGELIST himl; /* handle to a image list (may be 0) */
87 HEADER_ITEM *items; /* pointer to array of HEADER_ITEM's */
88 BOOL bRectsValid; /* validity flag for bounding rectangles */
89 } HEADER_INFO;
90
91
92 #define VERT_BORDER 3
93 #define DIVIDER_WIDTH 10
94
95 #define HEADER_GetInfoPtr(hwnd) ((HEADER_INFO *)GetWindowLongA(hwnd,0))
96
97
98 inline static LRESULT
99 HEADER_IndexToOrder (HWND hwnd, INT iItem)
100 {
101 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
102 HEADER_ITEM *lpItem = &infoPtr->items[iItem];
103 return lpItem->iOrder;
104 }
105
106
107 static INT
108 HEADER_OrderToIndex(HWND hwnd, WPARAM wParam)
109 {
110 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
111 INT i,iorder = (INT)wParam;
112
113
114 if ((iorder <0) || iorder >infoPtr->uNumItem)
115 return iorder;
116 for (i=0; i<infoPtr->uNumItem; i++)
117 if (HEADER_IndexToOrder(hwnd,i) == iorder)
118 return i;
119 return iorder;
120 }
121
122 static void
123 HEADER_SetItemBounds (HWND hwnd)
124 {
125 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
126 HEADER_ITEM *phdi;
127 RECT rect;
128 int i, x;
129
130 infoPtr->bRectsValid = TRUE;
131
132 if (infoPtr->uNumItem == 0)
133 return;
134
135 GetClientRect (hwnd, &rect);
136
137 x = rect.left;
138 for (i = 0; i < infoPtr->uNumItem; i++) {
139 phdi = &infoPtr->items[HEADER_OrderToIndex(hwnd,i)];
140 phdi->rect.top = rect.top;
141 phdi->rect.bottom = rect.bottom;
142 phdi->rect.left = x;
143 phdi->rect.right = phdi->rect.left + ((phdi->cxy>0)?phdi->cxy:0);
144 x = phdi->rect.right;
145 }
146 }
147
148 static LRESULT
149 HEADER_Size (HWND hwnd, WPARAM wParam)
150 {
151 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
152
153 infoPtr->bRectsValid = FALSE;
154
155 return 0;
156 }
157
158
159 static INT
160 HEADER_DrawItem (HWND hwnd, HDC hdc, INT iItem, BOOL bHotTrack)
161 {
162 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
163 HEADER_ITEM *phdi = &infoPtr->items[iItem];
164 RECT r;
165 INT oldBkMode;
166
167 TRACE("DrawItem(iItem %d bHotTrack %d unicode flag %d)\n", iItem, bHotTrack, infoPtr->bUnicode);
168
169 if (!infoPtr->bRectsValid)
170 HEADER_SetItemBounds(hwnd);
171
172 r = phdi->rect;
173 if (r.right - r.left == 0)
174 return phdi->rect.right;
175
176 if (GetWindowLongA (hwnd, GWL_STYLE) & HDS_BUTTONS) {
177 if (phdi->bDown) {
178 DrawEdge (hdc, &r, BDR_RAISEDOUTER,
179 BF_RECT | BF_FLAT | BF_MIDDLE | BF_ADJUST);
180 r.left += 2;
181 r.top += 2;
182 }
183 else
184 DrawEdge (hdc, &r, EDGE_RAISED,
185 BF_RECT | BF_SOFT | BF_MIDDLE | BF_ADJUST);
186 }
187 else
188 DrawEdge (hdc, &r, EDGE_ETCHED, BF_BOTTOM | BF_RIGHT | BF_ADJUST);
189
190 if (phdi->fmt & HDF_OWNERDRAW) {
191 DRAWITEMSTRUCT dis;
192 dis.CtlType = ODT_HEADER;
193 dis.CtlID = GetWindowLongA (hwnd, GWL_ID);
194 dis.itemID = iItem;
195 dis.itemAction = ODA_DRAWENTIRE;
196 dis.itemState = phdi->bDown ? ODS_SELECTED : 0;
197 dis.hwndItem = hwnd;
198 dis.hDC = hdc;
199 dis.rcItem = r;
200 dis.itemData = phdi->lParam;
201 oldBkMode = SetBkMode(hdc, TRANSPARENT);
202 SendMessageA (GetParent (hwnd), WM_DRAWITEM,
203 (WPARAM)dis.CtlID, (LPARAM)&dis);
204 if (oldBkMode != TRANSPARENT)
205 SetBkMode(hdc, oldBkMode);
206 }
207 else {
208 UINT uTextJustify = DT_LEFT;
209
210 if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_CENTER)
211 uTextJustify = DT_CENTER;
212 else if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_RIGHT)
213 uTextJustify = DT_RIGHT;
214
215 if ((phdi->fmt & HDF_BITMAP) && !(phdi->fmt & HDF_BITMAP_ON_RIGHT) && (phdi->hbm)) {
216 BITMAP bmp;
217 HDC hdcBitmap;
218 INT yD, yS, cx, cy, rx, ry;
219
220 GetObjectA (phdi->hbm, sizeof(BITMAP), (LPVOID)&bmp);
221
222 ry = r.bottom - r.top;
223 rx = r.right - r.left;
224
225 if (ry >= bmp.bmHeight) {
226 cy = bmp.bmHeight;
227 yD = r.top + (ry - bmp.bmHeight) / 2;
228 yS = 0;
229 }
230 else {
231 cy = ry;
232 yD = r.top;
233 yS = (bmp.bmHeight - ry) / 2;
234
235 }
236
237 if (rx >= bmp.bmWidth + 6) {
238 cx = bmp.bmWidth;
239 }
240 else {
241 cx = rx - 6;
242 }
243
244 hdcBitmap = CreateCompatibleDC (hdc);
245 SelectObject (hdcBitmap, phdi->hbm);
246 BitBlt (hdc, r.left + 3, yD, cx, cy, hdcBitmap, 0, yS, SRCCOPY);
247 DeleteDC (hdcBitmap);
248
249 r.left += (bmp.bmWidth + 3);
250 }
251
252
253 if ((phdi->fmt & HDF_BITMAP) && (phdi->fmt & HDF_BITMAP_ON_RIGHT) && (phdi->hbm)) {
254 BITMAP bmp;
255 HDC hdcBitmap;
256 INT xD, yD, yS, cx, cy, rx, ry, tx;
257 RECT textRect;
258
259 GetObjectA (phdi->hbm, sizeof(BITMAP), (LPVOID)&bmp);
260
261 textRect = r;
262 DrawTextW (hdc, phdi->pszText, -1,
263 &textRect, DT_LEFT|DT_VCENTER|DT_SINGLELINE|DT_CALCRECT);
264 tx = textRect.right - textRect.left;
265 ry = r.bottom - r.top;
266 rx = r.right - r.left;
267
268 if (ry >= bmp.bmHeight) {
269 cy = bmp.bmHeight;
270 yD = r.top + (ry - bmp.bmHeight) / 2;
271 yS = 0;
272 }
273 else {
274 cy = ry;
275 yD = r.top;
276 yS = (bmp.bmHeight - ry) / 2;
277
278 }
279
280 if (r.left + tx + bmp.bmWidth + 9 <= r.right) {
281 cx = bmp.bmWidth;
282 xD = r.left + tx + 6;
283 }
284 else {
285 if (rx >= bmp.bmWidth + 6) {
286 cx = bmp.bmWidth;
287 xD = r.right - bmp.bmWidth - 3;
288 r.right = xD - 3;
289 }
290 else {
291 cx = rx - 3;
292 xD = r.left;
293 r.right = r.left;
294 }
295 }
296
297 hdcBitmap = CreateCompatibleDC (hdc);
298 SelectObject (hdcBitmap, phdi->hbm);
299 BitBlt (hdc, xD, yD, cx, cy, hdcBitmap, 0, yS, SRCCOPY);
300 DeleteDC (hdcBitmap);
301 }
302
303 if ((phdi->fmt & HDF_IMAGE) && (infoPtr->himl)) {
304 r.left +=3;
305 /* FIXME: (r.bottom- (infoPtr->himl->cy))/2 should horicontal center the image
306 It looks like it doesn't work as expected*/
307 ImageList_Draw (infoPtr->himl, phdi->iImage,hdc,r.left, (r.bottom- (infoPtr->himl->cy))/2,0);
308 r.left += infoPtr->himl->cx;
309 }
310
311 if (((phdi->fmt & HDF_STRING)
312 || (!(phdi->fmt & (HDF_OWNERDRAW|HDF_STRING|HDF_BITMAP|
313 HDF_BITMAP_ON_RIGHT|HDF_IMAGE)))) /* no explicit format specified? */
314 && (phdi->pszText)) {
315 oldBkMode = SetBkMode(hdc, TRANSPARENT);
316 r.left += 3 ;
317 r.right -= 3;
318 SetTextColor (hdc, (bHotTrack) ? COLOR_HIGHLIGHT : COLOR_BTNTEXT);
319 DrawTextW (hdc, phdi->pszText, -1,
320 &r, uTextJustify|DT_END_ELLIPSIS|DT_VCENTER|DT_SINGLELINE);
321 if (oldBkMode != TRANSPARENT)
322 SetBkMode(hdc, oldBkMode);
323 }
324 }/*Ownerdrawn*/
325
326 return phdi->rect.right;
327 }
328
329
330 static void
331 HEADER_Refresh (HWND hwnd, HDC hdc)
332 {
333 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
334 HFONT hFont, hOldFont;
335 RECT rect;
336 HBRUSH hbrBk;
337 INT i, x;
338
339 /* get rect for the bar, adjusted for the border */
340 GetClientRect (hwnd, &rect);
341
342 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT);
343 hOldFont = SelectObject (hdc, hFont);
344
345 /* draw Background */
346 hbrBk = GetSysColorBrush(COLOR_3DFACE);
347 FillRect(hdc, &rect, hbrBk);
348
349 x = rect.left;
350 for (i = 0; i < infoPtr->uNumItem; i++) {
351 x = HEADER_DrawItem (hwnd, hdc, HEADER_OrderToIndex(hwnd,i), FALSE);
352 }
353
354 if ((x <= rect.right) && (infoPtr->uNumItem > 0)) {
355 rect.left = x;
356 if (GetWindowLongA (hwnd, GWL_STYLE) & HDS_BUTTONS)
357 DrawEdge (hdc, &rect, EDGE_RAISED, BF_TOP|BF_LEFT|BF_BOTTOM|BF_SOFT);
358 else
359 DrawEdge (hdc, &rect, EDGE_ETCHED, BF_BOTTOM);
360 }
361
362 SelectObject (hdc, hOldFont);
363 }
364
365
366 static void
367 HEADER_RefreshItem (HWND hwnd, HDC hdc, INT iItem)
368 {
369 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
370 HFONT hFont, hOldFont;
371
372 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT);
373 hOldFont = SelectObject (hdc, hFont);
374 HEADER_DrawItem (hwnd, hdc, iItem, FALSE);
375 SelectObject (hdc, hOldFont);
376 }
377
378
379 static void
380 HEADER_InternalHitTest (HWND hwnd, LPPOINT lpPt, UINT *pFlags, INT *pItem)
381 {
382 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
383 RECT rect, rcTest;
384 INT iCount, width;
385 BOOL bNoWidth;
386
387 GetClientRect (hwnd, &rect);
388
389 *pFlags = 0;
390 bNoWidth = FALSE;
391 if (PtInRect (&rect, *lpPt))
392 {
393 if (infoPtr->uNumItem == 0) {
394 *pFlags |= HHT_NOWHERE;
395 *pItem = 1;
396 TRACE("NOWHERE\n");
397 return;
398 }
399 else {
400 /* somewhere inside */
401 for (iCount = 0; iCount < infoPtr->uNumItem; iCount++) {
402 rect = infoPtr->items[iCount].rect;
403 width = rect.right - rect.left;
404 if (width == 0) {
405 bNoWidth = TRUE;
406 continue;
407 }
408 if (PtInRect (&rect, *lpPt)) {
409 if (width <= 2 * DIVIDER_WIDTH) {
410 *pFlags |= HHT_ONHEADER;
411 *pItem = iCount;
412 TRACE("ON HEADER %d\n", iCount);
413 return;
414 }
415 if (iCount > 0) {
416 rcTest = rect;
417 rcTest.right = rcTest.left + DIVIDER_WIDTH;
418 if (PtInRect (&rcTest, *lpPt)) {
419 if (bNoWidth) {
420 *pFlags |= HHT_ONDIVOPEN;
421 *pItem = iCount - 1;
422 TRACE("ON DIVOPEN %d\n", *pItem);
423 return;
424 }
425 else {
426 *pFlags |= HHT_ONDIVIDER;
427 *pItem = iCount - 1;
428 TRACE("ON DIVIDER %d\n", *pItem);
429 return;
430 }
431 }
432 }
433 rcTest = rect;
434 rcTest.left = rcTest.right - DIVIDER_WIDTH;
435 if (PtInRect (&rcTest, *lpPt)) {
436 *pFlags |= HHT_ONDIVIDER;
437 *pItem = iCount;
438 TRACE("ON DIVIDER %d\n", *pItem);
439 return;
440 }
441
442 *pFlags |= HHT_ONHEADER;
443 *pItem = iCount;
444 TRACE("ON HEADER %d\n", iCount);
445 return;
446 }
447 }
448
449 /* check for last divider part (on nowhere) */
450 rect = infoPtr->items[infoPtr->uNumItem-1].rect;
451 rect.left = rect.right;
452 rect.right += DIVIDER_WIDTH;
453 if (PtInRect (&rect, *lpPt)) {
454 if (bNoWidth) {
455 *pFlags |= HHT_ONDIVOPEN;
456 *pItem = infoPtr->uNumItem - 1;
457 TRACE("ON DIVOPEN %d\n", *pItem);
458 return;
459 }
460 else {
461 *pFlags |= HHT_ONDIVIDER;
462 *pItem = infoPtr->uNumItem-1;
463 TRACE("ON DIVIDER %d\n", *pItem);
464 return;
465 }
466 }
467
468 *pFlags |= HHT_NOWHERE;
469 *pItem = 1;
470 TRACE("NOWHERE\n");
471 return;
472 }
473 }
474 else {
475 if (lpPt->x < rect.left) {
476 TRACE("TO LEFT\n");
477 *pFlags |= HHT_TOLEFT;
478 }
479 else if (lpPt->x > rect.right) {
480 TRACE("TO RIGHT\n");
481 *pFlags |= HHT_TORIGHT;
482 }
483
484 if (lpPt->y < rect.top) {
485 TRACE("ABOVE\n");
486 *pFlags |= HHT_ABOVE;
487 }
488 else if (lpPt->y > rect.bottom) {
489 TRACE("BELOW\n");
490 *pFlags |= HHT_BELOW;
491 }
492 }
493
494 *pItem = 1;
495 TRACE("flags=0x%X\n", *pFlags);
496 return;
497 }
498
499
500 static void
501 HEADER_DrawTrackLine (HWND hwnd, HDC hdc, INT x)
502 {
503 RECT rect;
504 HPEN hOldPen;
505 INT oldRop;
506
507 GetClientRect (hwnd, &rect);
508
509 hOldPen = SelectObject (hdc, GetStockObject (BLACK_PEN));
510 oldRop = SetROP2 (hdc, R2_XORPEN);
511 MoveToEx (hdc, x, rect.top, NULL);
512 LineTo (hdc, x, rect.bottom);
513 SetROP2 (hdc, oldRop);
514 SelectObject (hdc, hOldPen);
515 }
516
517
518 static BOOL
519 HEADER_SendSimpleNotify (HWND hwnd, UINT code)
520 {
521 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
522 NMHDR nmhdr;
523
524 nmhdr.hwndFrom = hwnd;
525 nmhdr.idFrom = GetWindowLongA (hwnd, GWL_ID);
526 nmhdr.code = code;
527
528 return (BOOL)SendMessageA (infoPtr->hwndNotify, WM_NOTIFY,
529 (WPARAM)nmhdr.idFrom, (LPARAM)&nmhdr);
530 }
531
532 static BOOL
533 HEADER_SendHeaderNotify (HWND hwnd, UINT code, INT iItem, INT mask)
534 {
535 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
536 NMHEADERA nmhdr;
537 HDITEMA nmitem;
538
539 nmhdr.hdr.hwndFrom = hwnd;
540 nmhdr.hdr.idFrom = GetWindowLongA (hwnd, GWL_ID);
541 nmhdr.hdr.code = code;
542 nmhdr.iItem = iItem;
543 nmhdr.iButton = 0;
544 nmhdr.pitem = &nmitem;
545 nmitem.mask = mask;
546 nmitem.cxy = infoPtr->items[iItem].cxy;
547 nmitem.hbm = infoPtr->items[iItem].hbm;
548 nmitem.pszText = NULL;
549 nmitem.cchTextMax = 0;
550 /* nmitem.pszText = infoPtr->items[iItem].pszText; */
551 /* nmitem.cchTextMax = infoPtr->items[iItem].cchTextMax; */
552 nmitem.fmt = infoPtr->items[iItem].fmt;
553 nmitem.lParam = infoPtr->items[iItem].lParam;
554 nmitem.iOrder = infoPtr->items[iItem].iOrder;
555 nmitem.iImage = infoPtr->items[iItem].iImage;
556
557 return (BOOL)SendMessageA (infoPtr->hwndNotify, WM_NOTIFY,
558 (WPARAM)nmhdr.hdr.idFrom, (LPARAM)&nmhdr);
559 }
560
561
562 static BOOL
563 HEADER_SendClickNotify (HWND hwnd, UINT code, INT iItem)
564 {
565 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
566 NMHEADERA nmhdr;
567
568 nmhdr.hdr.hwndFrom = hwnd;
569 nmhdr.hdr.idFrom = GetWindowLongA (hwnd, GWL_ID);
570 nmhdr.hdr.code = code;
571 nmhdr.iItem = iItem;
572 nmhdr.iButton = 0;
573 nmhdr.pitem = NULL;
574
575 return (BOOL)SendMessageA (infoPtr->hwndNotify, WM_NOTIFY,
576 (WPARAM)nmhdr.hdr.idFrom, (LPARAM)&nmhdr);
577 }
578
579
580 static LRESULT
581 HEADER_CreateDragImage (HWND hwnd, WPARAM wParam)
582 {
583 FIXME("empty stub!\n");
584 return 0;
585 }
586
587
588 static LRESULT
589 HEADER_DeleteItem (HWND hwnd, WPARAM wParam)
590 {
591 HEADER_INFO *infoPtr = HEADER_GetInfoPtr(hwnd);
592 INT iItem = (INT)wParam;
593
594 TRACE("[iItem=%d]\n", iItem);
595
596 if ((iItem < 0) || (iItem >= (INT)infoPtr->uNumItem))
597 return FALSE;
598
599 if (infoPtr->uNumItem == 1) {
600 TRACE("Simple delete!\n");
601 if (infoPtr->items[0].pszText)
602 COMCTL32_Free (infoPtr->items[0].pszText);
603 COMCTL32_Free (infoPtr->items);
604 infoPtr->items = 0;
605 infoPtr->uNumItem = 0;
606 }
607 else {
608 HEADER_ITEM *oldItems = infoPtr->items;
609 HEADER_ITEM *pItem;
610 INT i;
611 INT iOrder;
612 TRACE("Complex delete! [iItem=%d]\n", iItem);
613
614 if (infoPtr->items[iItem].pszText)
615 COMCTL32_Free (infoPtr->items[iItem].pszText);
616 iOrder = infoPtr->items[iItem].iOrder;
617
618 infoPtr->uNumItem--;
619 infoPtr->items = COMCTL32_Alloc (sizeof (HEADER_ITEM) * infoPtr->uNumItem);
620 /* pre delete copy */
621 if (iItem > 0) {
622 memcpy (&infoPtr->items[0], &oldItems[0],
623 iItem * sizeof(HEADER_ITEM));
624 }
625
626 /* post delete copy */
627 if (iItem < infoPtr->uNumItem) {
628 memcpy (&infoPtr->items[iItem], &oldItems[iItem+1],
629 (infoPtr->uNumItem - iItem) * sizeof(HEADER_ITEM));
630 }
631
632 /* Correct the orders */
633 for (i=infoPtr->uNumItem, pItem = infoPtr->items; i; i--, pItem++)
634 {
635 if (pItem->iOrder > iOrder)
636 pItem->iOrder--;
637 }
638 COMCTL32_Free (oldItems);
639 }
640
641 HEADER_SetItemBounds (hwnd);
642
643 InvalidateRect(hwnd, NULL, FALSE);
644
645 return TRUE;
646 }
647
648
649 static LRESULT
650 HEADER_GetImageList (HWND hwnd)
651 {
652 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
653
654 return (LRESULT)infoPtr->himl;
655 }
656
657
658 static LRESULT
659 HEADER_GetItemA (HWND hwnd, WPARAM wParam, LPARAM lParam)
660 {
661 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
662 HDITEMA *phdi = (HDITEMA*)lParam;
663 INT nItem = (INT)wParam;
664 HEADER_ITEM *lpItem;
665
666 if (!phdi)
667 return FALSE;
668 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
669 return FALSE;
670
671 TRACE("[nItem=%d]\n", nItem);
672
673 if (phdi->mask == 0)
674 return TRUE;
675
676 lpItem = &infoPtr->items[nItem];
677 if (phdi->mask & HDI_BITMAP)
678 phdi->hbm = lpItem->hbm;
679
680 if (phdi->mask & HDI_FORMAT)
681 phdi->fmt = lpItem->fmt;
682
683 if (phdi->mask & HDI_WIDTH)
684 phdi->cxy = lpItem->cxy;
685
686 if (phdi->mask & HDI_LPARAM)
687 phdi->lParam = lpItem->lParam;
688
689 if (phdi->mask & HDI_TEXT) {
690 if (lpItem->pszText != LPSTR_TEXTCALLBACKW) {
691 if (lpItem->pszText)
692 WideCharToMultiByte (CP_ACP, 0, lpItem->pszText, -1,
693 phdi->pszText, phdi->cchTextMax, NULL, NULL);
694 else
695 *phdi->pszText = 0;
696 }
697 else
698 phdi->pszText = LPSTR_TEXTCALLBACKA;
699 }
700
701 if (phdi->mask & HDI_IMAGE)
702 phdi->iImage = lpItem->iImage;
703
704 if (phdi->mask & HDI_ORDER)
705 phdi->iOrder = lpItem->iOrder;
706
707 return TRUE;
708 }
709
710
711 static LRESULT
712 HEADER_GetItemW (HWND hwnd, WPARAM wParam, LPARAM lParam)
713 {
714 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
715 HDITEMW *phdi = (HDITEMW*)lParam;
716 INT nItem = (INT)wParam;
717 HEADER_ITEM *lpItem;
718
719 if (!phdi)
720 return FALSE;
721 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
722 return FALSE;
723
724 TRACE("[nItem=%d]\n", nItem);
725
726 if (phdi->mask == 0)
727 return TRUE;
728
729 lpItem = &infoPtr->items[nItem];
730 if (phdi->mask & HDI_BITMAP)
731 phdi->hbm = lpItem->hbm;
732
733 if (phdi->mask & HDI_FORMAT)
734 phdi->fmt = lpItem->fmt;
735
736 if (phdi->mask & HDI_WIDTH)
737 phdi->cxy = lpItem->cxy;
738
739 if (phdi->mask & HDI_LPARAM)
740 phdi->lParam = lpItem->lParam;
741
742 if (phdi->mask & HDI_TEXT) {
743 if (lpItem->pszText != LPSTR_TEXTCALLBACKW) {
744 if (lpItem->pszText)
745 lstrcpynW (phdi->pszText, lpItem->pszText, phdi->cchTextMax);
746 else
747 *phdi->pszText = 0;
748 }
749 else
750 phdi->pszText = LPSTR_TEXTCALLBACKW;
751 }
752
753 if (phdi->mask & HDI_IMAGE)
754 phdi->iImage = lpItem->iImage;
755
756 if (phdi->mask & HDI_ORDER)
757 phdi->iOrder = lpItem->iOrder;
758
759 return TRUE;
760 }
761
762
763 inline static LRESULT
764 HEADER_GetItemCount (HWND hwnd)
765 {
766 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
767 return infoPtr->uNumItem;
768 }
769
770
771 static LRESULT
772 HEADER_GetItemRect (HWND hwnd, WPARAM wParam, LPARAM lParam)
773 {
774 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
775 INT iItem = (INT)wParam;
776 LPRECT lpRect = (LPRECT)lParam;
777
778 if ((iItem < 0) || (iItem >= (INT)infoPtr->uNumItem))
779 return FALSE;
780
781 lpRect->left = infoPtr->items[iItem].rect.left;
782 lpRect->right = infoPtr->items[iItem].rect.right;
783 lpRect->top = infoPtr->items[iItem].rect.top;
784 lpRect->bottom = infoPtr->items[iItem].rect.bottom;
785
786 return TRUE;
787 }
788
789
790 static LRESULT
791 HEADER_GetOrderArray(HWND hwnd, WPARAM wParam, LPARAM lParam)
792 {
793 int i;
794 LPINT order = (LPINT) lParam;
795 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
796
797 if ((int)wParam <infoPtr->uNumItem)
798 return FALSE;
799 for (i=0; i<(int)wParam; i++)
800 *order++=HEADER_OrderToIndex(hwnd,i);
801 return TRUE;
802 }
803
804 static LRESULT
805 HEADER_SetOrderArray(HWND hwnd, WPARAM wParam, LPARAM lParam)
806 {
807 int i;
808 LPINT order = (LPINT) lParam;
809 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
810 HEADER_ITEM *lpItem;
811
812 if ((int)wParam <infoPtr->uNumItem)
813 return FALSE;
814 for (i=0; i<(int)wParam; i++)
815 {
816 lpItem = &infoPtr->items[*order++];
817 lpItem->iOrder=i;
818 }
819 infoPtr->bRectsValid=0;
820 InvalidateRect(hwnd, NULL, FALSE);
821 return TRUE;
822 }
823
824 inline static LRESULT
825 HEADER_GetUnicodeFormat (HWND hwnd)
826 {
827 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
828 return infoPtr->bUnicode;
829 }
830
831
832 static LRESULT
833 HEADER_HitTest (HWND hwnd, WPARAM wParam, LPARAM lParam)
834 {
835 LPHDHITTESTINFO phti = (LPHDHITTESTINFO)lParam;
836
837 HEADER_InternalHitTest (hwnd, &phti->pt, &phti->flags, &phti->iItem);
838
839 if (phti->flags == HHT_ONHEADER)
840 return phti->iItem;
841 else
842 return -1;
843 }
844
845
846 static LRESULT
847 HEADER_InsertItemA (HWND hwnd, WPARAM wParam, LPARAM lParam)
848 {
849 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
850 HDITEMA *phdi = (HDITEMA*)lParam;
851 INT nItem = (INT)wParam;
852 HEADER_ITEM *lpItem;
853 INT len, i, iOrder;
854
855 if ((phdi == NULL) || (nItem < 0))
856 return -1;
857
858 if (nItem > infoPtr->uNumItem)
859 nItem = infoPtr->uNumItem;
860
861 iOrder = (phdi->mask & HDI_ORDER) ? phdi->iOrder : nItem;
862
863 if (infoPtr->uNumItem == 0) {
864 infoPtr->items = COMCTL32_Alloc (sizeof (HEADER_ITEM));
865 infoPtr->uNumItem++;
866 }
867 else {
868 HEADER_ITEM *oldItems = infoPtr->items;
869
870 infoPtr->uNumItem++;
871 infoPtr->items = COMCTL32_Alloc (sizeof (HEADER_ITEM) * infoPtr->uNumItem);
872 if (nItem == 0) {
873 memcpy (&infoPtr->items[1], &oldItems[0],
874 (infoPtr->uNumItem-1) * sizeof(HEADER_ITEM));
875 }
876 else
877 {
878 /* pre insert copy */
879 if (nItem > 0) {
880 memcpy (&infoPtr->items[0], &oldItems[0],
881 nItem * sizeof(HEADER_ITEM));
882 }
883
884 /* post insert copy */
885 if (nItem < infoPtr->uNumItem - 1) {
886 memcpy (&infoPtr->items[nItem+1], &oldItems[nItem],
887 (infoPtr->uNumItem - nItem - 1) * sizeof(HEADER_ITEM));
888 }
889 }
890
891 COMCTL32_Free (oldItems);
892 }
893
894 for (i=0; i < infoPtr->uNumItem; i++)
895 {
896 if (infoPtr->items[i].iOrder >= iOrder)
897 infoPtr->items[i].iOrder++;
898 }
899
900 lpItem = &infoPtr->items[nItem];
901 lpItem->bDown = FALSE;
902
903 if (phdi->mask & HDI_WIDTH)
904 lpItem->cxy = phdi->cxy;
905
906 if (phdi->mask & HDI_TEXT) {
907 if (!phdi->pszText) /* null pointer check */
908 phdi->pszText = "";
909 if (phdi->pszText != LPSTR_TEXTCALLBACKA) {
910 len = MultiByteToWideChar(CP_ACP, 0, phdi->pszText, -1, NULL, 0);
911 lpItem->pszText = COMCTL32_Alloc( len*sizeof(WCHAR) );
912 MultiByteToWideChar(CP_ACP, 0, phdi->pszText, -1, lpItem->pszText, len);
913 }
914 else
915 lpItem->pszText = LPSTR_TEXTCALLBACKW;
916 }
917
918 if (phdi->mask & HDI_FORMAT)
919 lpItem->fmt = phdi->fmt;
920
921 if (lpItem->fmt == 0)
922 lpItem->fmt = HDF_LEFT;
923
924 if (!(lpItem->fmt & HDF_STRING) && (phdi->mask & HDI_TEXT))
925 {
926 lpItem->fmt |= HDF_STRING;
927 }
928 if (phdi->mask & HDI_BITMAP)
929 lpItem->hbm = phdi->hbm;
930
931 if (phdi->mask & HDI_LPARAM)
932 lpItem->lParam = phdi->lParam;
933
934 if (phdi->mask & HDI_IMAGE)
935 lpItem->iImage = phdi->iImage;
936
937 lpItem->iOrder = iOrder;
938
939 HEADER_SetItemBounds (hwnd);
940
941 InvalidateRect(hwnd, NULL, FALSE);
942
943 return nItem;
944 }
945
946
947 static LRESULT
948 HEADER_InsertItemW (HWND hwnd, WPARAM wParam, LPARAM lParam)
949 {
950 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
951 HDITEMW *phdi = (HDITEMW*)lParam;
952 INT nItem = (INT)wParam;
953 HEADER_ITEM *lpItem;
954 INT len, i, iOrder;
955
956 if ((phdi == NULL) || (nItem < 0))
957 return -1;
958
959 if (nItem > infoPtr->uNumItem)
960 nItem = infoPtr->uNumItem;
961
962 iOrder = (phdi->mask & HDI_ORDER) ? phdi->iOrder : nItem;
963
964 if (infoPtr->uNumItem == 0) {
965 infoPtr->items = COMCTL32_Alloc (sizeof (HEADER_ITEM));
966 infoPtr->uNumItem++;
967 }
968 else {
969 HEADER_ITEM *oldItems = infoPtr->items;
970
971 infoPtr->uNumItem++;
972 infoPtr->items = COMCTL32_Alloc (sizeof (HEADER_ITEM) * infoPtr->uNumItem);
973 if (nItem == 0) {
974 memcpy (&infoPtr->items[1], &oldItems[0],
975 (infoPtr->uNumItem-1) * sizeof(HEADER_ITEM));
976 }
977 else
978 {
979 /* pre insert copy */
980 if (nItem > 0) {
981 memcpy (&infoPtr->items[0], &oldItems[0],
982 nItem * sizeof(HEADER_ITEM));
983 }
984
985 /* post insert copy */
986 if (nItem < infoPtr->uNumItem - 1) {
987 memcpy (&infoPtr->items[nItem+1], &oldItems[nItem],
988 (infoPtr->uNumItem - nItem - 1) * sizeof(HEADER_ITEM));
989 }
990 }
991
992 COMCTL32_Free (oldItems);
993 }
994
995 for (i=0; i < infoPtr->uNumItem; i++)
996 {
997 if (infoPtr->items[i].iOrder >= iOrder)
998 infoPtr->items[i].iOrder++;
999 }
1000
1001 lpItem = &infoPtr->items[nItem];
1002 lpItem->bDown = FALSE;
1003
1004 if (phdi->mask & HDI_WIDTH)
1005 lpItem->cxy = phdi->cxy;
1006
1007 if (phdi->mask & HDI_TEXT) {
1008 WCHAR wide_null_char = 0;
1009 if (!phdi->pszText) /* null pointer check */
1010 phdi->pszText = &wide_null_char;
1011 if (phdi->pszText != LPSTR_TEXTCALLBACKW) {
1012 len = strlenW (phdi->pszText);
1013 lpItem->pszText = COMCTL32_Alloc ((len+1)*sizeof(WCHAR));
1014 strcpyW (lpItem->pszText, phdi->pszText);
1015 }
1016 else
1017 lpItem->pszText = LPSTR_TEXTCALLBACKW;
1018 }
1019
1020 if (phdi->mask & HDI_FORMAT)
1021 lpItem->fmt = phdi->fmt;
1022
1023 if (lpItem->fmt == 0)
1024 lpItem->fmt = HDF_LEFT;
1025
1026 if (!(lpItem->fmt &HDF_STRING) && (phdi->mask & HDI_TEXT))
1027 {
1028 lpItem->fmt |= HDF_STRING;
1029 }
1030 if (phdi->mask & HDI_BITMAP)
1031 lpItem->hbm = phdi->hbm;
1032
1033 if (phdi->mask & HDI_LPARAM)
1034 lpItem->lParam = phdi->lParam;
1035
1036 if (phdi->mask & HDI_IMAGE)
1037 lpItem->iImage = phdi->iImage;
1038
1039 lpItem->iOrder = iOrder;
1040
1041 HEADER_SetItemBounds (hwnd);
1042
1043 InvalidateRect(hwnd, NULL, FALSE);
1044
1045 return nItem;
1046 }
1047
1048
1049 static LRESULT
1050 HEADER_Layout (HWND hwnd, WPARAM wParam, LPARAM lParam)
1051 {
1052 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1053 LPHDLAYOUT lpLayout = (LPHDLAYOUT)lParam;
1054
1055 lpLayout->pwpos->hwnd = hwnd;
1056 lpLayout->pwpos->hwndInsertAfter = 0;
1057 lpLayout->pwpos->x = lpLayout->prc->left;
1058 lpLayout->pwpos->y = lpLayout->prc->top;
1059 lpLayout->pwpos->cx = lpLayout->prc->right - lpLayout->prc->left;
1060 if (GetWindowLongA (hwnd, GWL_STYLE) & HDS_HIDDEN)
1061 lpLayout->pwpos->cy = 0;
1062 else {
1063 lpLayout->pwpos->cy = infoPtr->nHeight;
1064 lpLayout->prc->top += infoPtr->nHeight;
1065 }
1066 lpLayout->pwpos->flags = SWP_NOZORDER;
1067
1068 TRACE("Layout x=%d y=%d cx=%d cy=%d\n",
1069 lpLayout->pwpos->x, lpLayout->pwpos->y,
1070 lpLayout->pwpos->cx, lpLayout->pwpos->cy);
1071
1072 infoPtr->bRectsValid = FALSE;
1073
1074 return TRUE;
1075 }
1076
1077
1078 static LRESULT
1079 HEADER_SetImageList (HWND hwnd, HIMAGELIST himl)
1080 {
1081 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1082 HIMAGELIST himlOld;
1083
1084 TRACE("(himl 0x%x)\n", (int)himl);
1085 himlOld = infoPtr->himl;
1086 infoPtr->himl = himl;
1087
1088 /* FIXME: Refresh needed??? */
1089
1090 return (LRESULT)himlOld;
1091 }
1092
1093
1094 static LRESULT
1095 HEADER_SetItemA (HWND hwnd, WPARAM wParam, LPARAM lParam)
1096 {
1097 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1098 HDITEMA *phdi = (HDITEMA*)lParam;
1099 INT nItem = (INT)wParam;
1100 HEADER_ITEM *lpItem;
1101
1102 if (phdi == NULL)
1103 return FALSE;
1104 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
1105 return FALSE;
1106
1107 TRACE("[nItem=%d]\n", nItem);
1108
1109 if (HEADER_SendHeaderNotify (hwnd, HDN_ITEMCHANGINGA, nItem, phdi->mask))
1110 return FALSE;
1111
1112 lpItem = &infoPtr->items[nItem];
1113 if (phdi->mask & HDI_BITMAP)
1114 lpItem->hbm = phdi->hbm;
1115
1116 if (phdi->mask & HDI_FORMAT)
1117 lpItem->fmt = phdi->fmt;
1118
1119 if (phdi->mask & HDI_LPARAM)
1120 lpItem->lParam = phdi->lParam;
1121
1122 if (phdi->mask & HDI_TEXT) {
1123 if (phdi->pszText != LPSTR_TEXTCALLBACKA) {
1124 if (lpItem->pszText) {
1125 COMCTL32_Free (lpItem->pszText);
1126 lpItem->pszText = NULL;
1127 }
1128 if (phdi->pszText) {
1129 INT len = MultiByteToWideChar (CP_ACP,0,phdi->pszText,-1,NULL,0);
1130 lpItem->pszText = COMCTL32_Alloc( len*sizeof(WCHAR) );
1131 MultiByteToWideChar (CP_ACP,0,phdi->pszText,-1,lpItem->pszText,len);
1132 }
1133 }
1134 else
1135 lpItem->pszText = LPSTR_TEXTCALLBACKW;
1136 }
1137
1138 if (phdi->mask & HDI_WIDTH)
1139 lpItem->cxy = phdi->cxy;
1140
1141 if (phdi->mask & HDI_IMAGE)
1142 lpItem->iImage = phdi->iImage;
1143
1144 if (phdi->mask & HDI_ORDER)
1145 {
1146 lpItem->iOrder = phdi->iOrder;
1147 }
1148 else
1149 lpItem->iOrder = nItem;
1150
1151 HEADER_SendHeaderNotify (hwnd, HDN_ITEMCHANGEDA, nItem, phdi->mask);
1152
1153 HEADER_SetItemBounds (hwnd);
1154
1155 InvalidateRect(hwnd, NULL, FALSE);
1156
1157 return TRUE;
1158 }
1159
1160
1161 static LRESULT
1162 HEADER_SetItemW (HWND hwnd, WPARAM wParam, LPARAM lParam)
1163 {
1164 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1165 HDITEMW *phdi = (HDITEMW*)lParam;
1166 INT nItem = (INT)wParam;
1167 HEADER_ITEM *lpItem;
1168
1169 if (phdi == NULL)
1170 return FALSE;
1171 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
1172 return FALSE;
1173
1174 TRACE("[nItem=%d]\n", nItem);
1175
1176 if (HEADER_SendHeaderNotify (hwnd, HDN_ITEMCHANGINGW, nItem, phdi->mask))
1177 return FALSE;
1178
1179 lpItem = &infoPtr->items[nItem];
1180 if (phdi->mask & HDI_BITMAP)
1181 lpItem->hbm = phdi->hbm;
1182
1183 if (phdi->mask & HDI_FORMAT)
1184 lpItem->fmt = phdi->fmt;
1185
1186 if (phdi->mask & HDI_LPARAM)
1187 lpItem->lParam = phdi->lParam;
1188
1189 if (phdi->mask & HDI_TEXT) {
1190 if (phdi->pszText != LPSTR_TEXTCALLBACKW) {
1191 if (lpItem->pszText) {
1192 COMCTL32_Free (lpItem->pszText);
1193 lpItem->pszText = NULL;
1194 }
1195 if (phdi->pszText) {
1196 INT len = strlenW (phdi->pszText);
1197 lpItem->pszText = COMCTL32_Alloc ((len+1)*sizeof(WCHAR));
1198 strcpyW (lpItem->pszText, phdi->pszText);
1199 }
1200 }
1201 else
1202 lpItem->pszText = LPSTR_TEXTCALLBACKW;
1203 }
1204
1205 if (phdi->mask & HDI_WIDTH)
1206 lpItem->cxy = phdi->cxy;
1207
1208 if (phdi->mask & HDI_IMAGE)
1209 lpItem->iImage = phdi->iImage;
1210
1211 if (phdi->mask & HDI_ORDER)
1212 {
1213 lpItem->iOrder = phdi->iOrder;
1214 }
1215 else
1216 lpItem->iOrder = nItem;
1217
1218 HEADER_SendHeaderNotify(hwnd, HDN_ITEMCHANGEDW, nItem, phdi->mask);
1219
1220 HEADER_SetItemBounds (hwnd);
1221
1222 InvalidateRect(hwnd, NULL, FALSE);
1223
1224 return TRUE;
1225 }
1226
1227 inline static LRESULT
1228 HEADER_SetUnicodeFormat (HWND hwnd, WPARAM wParam)
1229 {
1230 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1231 BOOL bTemp = infoPtr->bUnicode;
1232
1233 infoPtr->bUnicode = (BOOL)wParam;
1234
1235 return bTemp;
1236 }
1237
1238
1239 static LRESULT
1240 HEADER_Create (HWND hwnd, WPARAM wParam, LPARAM lParam)
1241 {
1242 HEADER_INFO *infoPtr;
1243 TEXTMETRICA tm;
1244 HFONT hOldFont;
1245 HDC hdc;
1246
1247 infoPtr = (HEADER_INFO *)COMCTL32_Alloc (sizeof(HEADER_INFO));
1248 SetWindowLongA (hwnd, 0, (DWORD)infoPtr);
1249
1250 infoPtr->hwndNotify = GetParent(hwnd);
1251 infoPtr->uNumItem = 0;
1252 infoPtr->hFont = 0;
1253 infoPtr->items = 0;
1254 infoPtr->bRectsValid = FALSE;
1255 infoPtr->hcurArrow = LoadCursorA (0, IDC_ARROWA);
1256 infoPtr->hcurDivider = LoadCursorA (COMCTL32_hModule, MAKEINTRESOURCEA(IDC_DIVIDER));
1257 infoPtr->hcurDivopen = LoadCursorA (COMCTL32_hModule, MAKEINTRESOURCEA(IDC_DIVIDEROPEN));
1258 infoPtr->bPressed = FALSE;
1259 infoPtr->bTracking = FALSE;
1260 infoPtr->iMoveItem = 0;
1261 infoPtr->himl = 0;
1262 infoPtr->iHotItem = -1;
1263 infoPtr->bUnicode = IsWindowUnicode (hwnd);
1264 infoPtr->nNotifyFormat =
1265 SendMessageA (infoPtr->hwndNotify, WM_NOTIFYFORMAT, (WPARAM)hwnd, NF_QUERY);
1266
1267 hdc = GetDC (0);
1268 hOldFont = SelectObject (hdc, GetStockObject (SYSTEM_FONT));
1269 GetTextMetricsA (hdc, &tm);
1270 infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
1271 SelectObject (hdc, hOldFont);
1272 ReleaseDC (0, hdc);
1273
1274 return 0;
1275 }
1276
1277
1278 static LRESULT
1279 HEADER_Destroy (HWND hwnd, WPARAM wParam, LPARAM lParam)
1280 {
1281 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1282 HEADER_ITEM *lpItem;
1283 INT nItem;
1284
1285 if (infoPtr->items) {
1286 lpItem = infoPtr->items;
1287 for (nItem = 0; nItem < infoPtr->uNumItem; nItem++, lpItem++) {
1288 if ((lpItem->pszText) && (lpItem->pszText != LPSTR_TEXTCALLBACKW))
1289 COMCTL32_Free (lpItem->pszText);
1290 }
1291 COMCTL32_Free (infoPtr->items);
1292 }
1293
1294 if (infoPtr->himl)
1295 ImageList_Destroy (infoPtr->himl);
1296
1297 COMCTL32_Free (infoPtr);
1298 SetWindowLongA (hwnd, 0, 0);
1299 return 0;
1300 }
1301
1302
1303 static inline LRESULT
1304 HEADER_GetFont (HWND hwnd)
1305 {
1306 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1307
1308 return (LRESULT)infoPtr->hFont;
1309 }
1310
1311
1312 static LRESULT
1313 HEADER_LButtonDblClk (HWND hwnd, WPARAM wParam, LPARAM lParam)
1314 {
1315 POINT pt;
1316 UINT flags;
1317 INT nItem;
1318
1319 pt.x = (INT)LOWORD(lParam);
1320 pt.y = (INT)HIWORD(lParam);
1321 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1322
1323 if ((GetWindowLongA (hwnd, GWL_STYLE) & HDS_BUTTONS) && (flags == HHT_ONHEADER))
1324 HEADER_SendHeaderNotify (hwnd, HDN_ITEMDBLCLICKA, nItem,0);
1325 else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN))
1326 HEADER_SendHeaderNotify (hwnd, HDN_DIVIDERDBLCLICKA, nItem,0);
1327
1328 return 0;
1329 }
1330
1331
1332 static LRESULT
1333 HEADER_LButtonDown (HWND hwnd, WPARAM wParam, LPARAM lParam)
1334 {
1335 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1336 DWORD dwStyle = GetWindowLongA (hwnd, GWL_STYLE);
1337 POINT pt;
1338 UINT flags;
1339 INT nItem;
1340 HDC hdc;
1341
1342 pt.x = (INT)LOWORD(lParam);
1343 pt.y = (INT)HIWORD(lParam);
1344 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1345
1346 if ((dwStyle & HDS_BUTTONS) && (flags == HHT_ONHEADER)) {
1347 SetCapture (hwnd);
1348 infoPtr->bCaptured = TRUE;
1349 infoPtr->bPressed = TRUE;
1350 infoPtr->iMoveItem = nItem;
1351
1352 infoPtr->items[nItem].bDown = TRUE;
1353
1354 /* Send WM_CUSTOMDRAW */
1355 hdc = GetDC (hwnd);
1356 HEADER_RefreshItem (hwnd, hdc, nItem);
1357 ReleaseDC (hwnd, hdc);
1358
1359 TRACE("Pressed item %d!\n", nItem);
1360 }
1361 else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN)) {
1362 if (!(HEADER_SendHeaderNotify (hwnd, HDN_BEGINTRACKA, nItem,0))) {
1363 SetCapture (hwnd);
1364 infoPtr->bCaptured = TRUE;
1365 infoPtr->bTracking = TRUE;
1366 infoPtr->iMoveItem = nItem;
1367 infoPtr->nOldWidth = infoPtr->items[nItem].cxy;
1368 infoPtr->xTrackOffset = infoPtr->items[nItem].rect.right - pt.x;
1369
1370 if (!(dwStyle & HDS_FULLDRAG)) {
1371 infoPtr->xOldTrack = infoPtr->items[nItem].rect.right;
1372 hdc = GetDC (hwnd);
1373 HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
1374 ReleaseDC (hwnd, hdc);
1375 }
1376
1377 TRACE("Begin tracking item %d!\n", nItem);
1378 }
1379 }
1380
1381 return 0;
1382 }
1383
1384
1385 static LRESULT
1386 HEADER_LButtonUp (HWND hwnd, WPARAM wParam, LPARAM lParam)
1387 {
1388 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1389 /*
1390 *DWORD dwStyle = GetWindowLongA (hwnd, GWL_STYLE);
1391 */
1392 POINT pt;
1393 UINT flags;
1394 INT nItem, nWidth;
1395 HDC hdc;
1396
1397 pt.x = (INT)SLOWORD(lParam);
1398 pt.y = (INT)SHIWORD(lParam);
1399 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1400
1401 if (infoPtr->bPressed) {
1402 if ((nItem == infoPtr->iMoveItem) && (flags == HHT_ONHEADER)) {
1403 infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
1404 hdc = GetDC (hwnd);
1405 HEADER_RefreshItem (hwnd, hdc, infoPtr->iMoveItem);
1406 ReleaseDC (hwnd, hdc);
1407
1408 HEADER_SendClickNotify (hwnd, HDN_ITEMCLICKA, infoPtr->iMoveItem);
1409 }
1410 else if (flags == HHT_ONHEADER)
1411 {
1412 HEADER_ITEM *lpItem;
1413 INT newindex = HEADER_IndexToOrder(hwnd,nItem);
1414 INT oldindex = HEADER_IndexToOrder(hwnd,infoPtr->iMoveItem);
1415
1416 TRACE("Exchanging [index:order] [%d:%d] [%d:%d]\n",
1417 infoPtr->iMoveItem,oldindex,nItem,newindex);
1418 lpItem= &infoPtr->items[nItem];
1419 lpItem->iOrder=oldindex;
1420
1421 lpItem= &infoPtr->items[infoPtr->iMoveItem];
1422 lpItem->iOrder = newindex;
1423
1424 infoPtr->bRectsValid = FALSE;
1425 InvalidateRect(hwnd, NULL, FALSE);
1426 /* FIXME: Should some WM_NOTIFY be sent */
1427 }
1428
1429 TRACE("Released item %d!\n", infoPtr->iMoveItem);
1430 infoPtr->bPressed = FALSE;
1431 }
1432 else if (infoPtr->bTracking) {
1433 TRACE("End tracking item %d!\n", infoPtr->iMoveItem);
1434 infoPtr->bTracking = FALSE;
1435
1436 HEADER_SendHeaderNotify (hwnd, HDN_ENDTRACKA, infoPtr->iMoveItem,HDI_WIDTH);
1437
1438 /*
1439 * we want to do this even for HDS_FULLDRAG because this is where
1440 * we send the HDN_ITEMCHANGING and HDN_ITEMCHANGED notifications
1441 *
1442 * if (!(dwStyle & HDS_FULLDRAG)) {
1443 */
1444
1445 hdc = GetDC (hwnd);
1446 HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
1447 ReleaseDC (hwnd, hdc);
1448 if (HEADER_SendHeaderNotify(hwnd, HDN_ITEMCHANGINGA, infoPtr->iMoveItem, HDI_WIDTH))
1449 {
1450 infoPtr->items[infoPtr->iMoveItem].cxy = infoPtr->nOldWidth;
1451 }
1452 else {
1453 nWidth = pt.x - infoPtr->items[infoPtr->iMoveItem].rect.left + infoPtr->xTrackOffset;
1454 if (nWidth < 0)
1455 nWidth = 0;
1456 infoPtr->items[infoPtr->iMoveItem].cxy = nWidth;
1457 }
1458
1459 HEADER_SendHeaderNotify(hwnd, HDN_ITEMCHANGINGA, infoPtr->iMoveItem, HDI_WIDTH);
1460 HEADER_SetItemBounds (hwnd);
1461 InvalidateRect(hwnd, NULL, FALSE);
1462 /*
1463 * }
1464 */
1465 }
1466
1467 if (infoPtr->bCaptured) {
1468 infoPtr->bCaptured = FALSE;
1469 ReleaseCapture ();
1470 HEADER_SendSimpleNotify (hwnd, NM_RELEASEDCAPTURE);
1471 }
1472
1473 return 0;
1474 }
1475
1476
1477 static LRESULT
1478 HEADER_NotifyFormat (HWND hwnd, WPARAM wParam, LPARAM lParam)
1479 {
1480 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1481
1482 switch (lParam)
1483 {
1484 case NF_QUERY:
1485 return infoPtr->nNotifyFormat;
1486
1487 case NF_REQUERY:
1488 infoPtr->nNotifyFormat =
1489 SendMessageA ((HWND)wParam, WM_NOTIFYFORMAT,
1490 (WPARAM)hwnd, (LPARAM)NF_QUERY);
1491 return infoPtr->nNotifyFormat;
1492 }
1493
1494 return 0;
1495 }
1496
1497
1498 static LRESULT
1499 HEADER_MouseMove (HWND hwnd, WPARAM wParam, LPARAM lParam)
1500 {
1501 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1502 DWORD dwStyle = GetWindowLongA (hwnd, GWL_STYLE);
1503 POINT pt;
1504 UINT flags;
1505 INT nItem, nWidth;
1506 HDC hdc;
1507
1508 pt.x = (INT)SLOWORD(lParam);
1509 pt.y = (INT)SHIWORD(lParam);
1510 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1511
1512 if ((dwStyle & HDS_BUTTONS) && (dwStyle & HDS_HOTTRACK)) {
1513 if (flags & (HHT_ONHEADER | HHT_ONDIVIDER | HHT_ONDIVOPEN))
1514 infoPtr->iHotItem = nItem;
1515 else
1516 infoPtr->iHotItem = -1;
1517 InvalidateRect(hwnd, NULL, FALSE);
1518 }
1519
1520 if (infoPtr->bCaptured) {
1521 if (infoPtr->bPressed) {
1522 if ((nItem == infoPtr->iMoveItem) && (flags == HHT_ONHEADER))
1523 infoPtr->items[infoPtr->iMoveItem].bDown = TRUE;
1524 else
1525 infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
1526 hdc = GetDC (hwnd);
1527 HEADER_RefreshItem (hwnd, hdc, infoPtr->iMoveItem);
1528 ReleaseDC (hwnd, hdc);
1529
1530 TRACE("Moving pressed item %d!\n", infoPtr->iMoveItem);
1531 }
1532 else if (infoPtr->bTracking) {
1533 if (dwStyle & HDS_FULLDRAG) {
1534 if (HEADER_SendHeaderNotify (hwnd, HDN_ITEMCHANGINGA, infoPtr->iMoveItem, HDI_WIDTH))
1535 {
1536 nWidth = pt.x - infoPtr->items[infoPtr->iMoveItem].rect.left + infoPtr->xTrackOffset;
1537 if (nWidth < 0)
1538 nWidth = 0;
1539 infoPtr->items[infoPtr->iMoveItem].cxy = nWidth;
1540 HEADER_SendHeaderNotify(hwnd, HDN_ITEMCHANGEDA, infoPtr->iMoveItem, HDI_WIDTH);
1541 }
1542 HEADER_SetItemBounds (hwnd);
1543 InvalidateRect(hwnd, NULL, FALSE);
1544 }
1545 else {
1546 hdc = GetDC (hwnd);
1547 HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
1548 infoPtr->xOldTrack = pt.x + infoPtr->xTrackOffset;
1549 if (infoPtr->xOldTrack < infoPtr->items[infoPtr->iMoveItem].rect.left)
1550 infoPtr->xOldTrack = infoPtr->items[infoPtr->iMoveItem].rect.left;
1551 infoPtr->items[infoPtr->iMoveItem].cxy =
1552 infoPtr->xOldTrack - infoPtr->items[infoPtr->iMoveItem].rect.left;
1553 HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
1554 ReleaseDC (hwnd, hdc);
1555 HEADER_SendHeaderNotify (hwnd, HDN_TRACKA, infoPtr->iMoveItem, HDI_WIDTH);
1556 }
1557
1558 TRACE("Tracking item %d!\n", infoPtr->iMoveItem);
1559 }
1560 }
1561
1562 if ((dwStyle & HDS_BUTTONS) && (dwStyle & HDS_HOTTRACK)) {
1563 FIXME("hot track support!\n");
1564 }
1565
1566 return 0;
1567 }
1568
1569
1570 static LRESULT
1571 HEADER_Paint (HWND hwnd, WPARAM wParam)
1572 {
1573 HDC hdc;
1574 PAINTSTRUCT ps;
1575
1576 hdc = wParam==0 ? BeginPaint (hwnd, &ps) : (HDC)wParam;
1577 HEADER_Refresh (hwnd, hdc);
1578 if(!wParam)
1579 EndPaint (hwnd, &ps);
1580 return 0;
1581 }
1582
1583
1584 static LRESULT
1585 HEADER_RButtonUp (HWND hwnd, WPARAM wParam, LPARAM lParam)
1586 {
1587 BOOL bRet;
1588 POINT pt;
1589
1590 pt.x = LOWORD(lParam);
1591 pt.y = HIWORD(lParam);
1592
1593 /* Send a Notify message */
1594 bRet = HEADER_SendSimpleNotify (hwnd, NM_RCLICK);
1595
1596 /* Change to screen coordinate for WM_CONTEXTMENU */
1597 ClientToScreen(hwnd, &pt);
1598
1599 /* Send a WM_CONTEXTMENU message in response to the RBUTTONUP */
1600 SendMessageA( hwnd, WM_CONTEXTMENU, (WPARAM) hwnd, MAKELPARAM(pt.x, pt.y));
1601
1602 return bRet;
1603 }
1604
1605
1606 static LRESULT
1607 HEADER_SetCursor (HWND hwnd, WPARAM wParam, LPARAM lParam)
1608 {
1609 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1610 POINT pt;
1611 UINT flags;
1612 INT nItem;
1613
1614 TRACE("code=0x%X id=0x%X\n", LOWORD(lParam), HIWORD(lParam));
1615
1616 GetCursorPos (&pt);
1617 ScreenToClient (hwnd, &pt);
1618
1619 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1620
1621 if (flags == HHT_ONDIVIDER)
1622 SetCursor (infoPtr->hcurDivider);
1623 else if (flags == HHT_ONDIVOPEN)
1624 SetCursor (infoPtr->hcurDivopen);
1625 else
1626 SetCursor (infoPtr->hcurArrow);
1627
1628 return 0;
1629 }
1630
1631
1632 static LRESULT
1633 HEADER_SetFont (HWND hwnd, WPARAM wParam, LPARAM lParam)
1634 {
1635 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1636 TEXTMETRICA tm;
1637 HFONT hFont, hOldFont;
1638 HDC hdc;
1639
1640 infoPtr->hFont = (HFONT)wParam;
1641
1642 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT);
1643
1644 hdc = GetDC (0);
1645 hOldFont = SelectObject (hdc, hFont);
1646 GetTextMetricsA (hdc, &tm);
1647 infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
1648 SelectObject (hdc, hOldFont);
1649 ReleaseDC (0, hdc);
1650
1651 infoPtr->bRectsValid = FALSE;
1652
1653 if (lParam) {
1654 InvalidateRect(hwnd, NULL, FALSE);
1655 }
1656
1657 return 0;
1658 }
1659
1660
1661 static LRESULT WINAPI
1662 HEADER_WindowProc (HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
1663 {
1664 TRACE("hwnd=%p msg=%x wparam=%x lParam=%lx\n", hwnd, msg, wParam, lParam);
1665 if (!HEADER_GetInfoPtr (hwnd) && (msg != WM_CREATE))
1666 return DefWindowProcA (hwnd, msg, wParam, lParam);
1667 switch (msg) {
1668 /* case HDM_CLEARFILTER: */
1669
1670 case HDM_CREATEDRAGIMAGE:
1671 return HEADER_CreateDragImage (hwnd, wParam);
1672
1673 case HDM_DELETEITEM:
1674 return HEADER_DeleteItem (hwnd, wParam);
1675
1676 /* case HDM_EDITFILTER: */
1677
1678 /* case HDM_GETBITMAPMARGIN: */
1679
1680 case HDM_GETIMAGELIST:
1681 return HEADER_GetImageList (hwnd);
1682
1683 case HDM_GETITEMA:
1684 return HEADER_GetItemA (hwnd, wParam, lParam);
1685
1686 case HDM_GETITEMW:
1687 return HEADER_GetItemW (hwnd, wParam, lParam);
1688
1689 case HDM_GETITEMCOUNT:
1690 return HEADER_GetItemCount (hwnd);
1691
1692 case HDM_GETITEMRECT:
1693 return HEADER_GetItemRect (hwnd, wParam, lParam);
1694
1695 case HDM_GETORDERARRAY:
1696 return HEADER_GetOrderArray(hwnd, wParam, lParam);
1697
1698 case HDM_GETUNICODEFORMAT:
1699 return HEADER_GetUnicodeFormat (hwnd);
1700
1701 case HDM_HITTEST:
1702 return HEADER_HitTest (hwnd, wParam, lParam);
1703
1704 case HDM_INSERTITEMA:
1705 return HEADER_InsertItemA (hwnd, wParam, lParam);
1706
1707 case HDM_INSERTITEMW:
1708 return HEADER_InsertItemW (hwnd, wParam, lParam);
1709
1710 case HDM_LAYOUT:
1711 return HEADER_Layout (hwnd, wParam, lParam);
1712
1713 case HDM_ORDERTOINDEX:
1714 return HEADER_OrderToIndex(hwnd, wParam);
1715
1716 /* case HDM_SETBITMAPMARGIN: */
1717
1718 /* case HDM_SETFILTERCHANGETIMEOUT: */
1719
1720 /* case HDM_SETHOTDIVIDER: */
1721
1722 case HDM_SETIMAGELIST:
1723 return HEADER_SetImageList (hwnd, (HIMAGELIST)lParam);
1724
1725 case HDM_SETITEMA:
1726 return HEADER_SetItemA (hwnd, wParam, lParam);
1727
1728 case HDM_SETITEMW:
1729 return HEADER_SetItemW (hwnd, wParam, lParam);
1730
1731 case HDM_SETORDERARRAY:
1732 return HEADER_SetOrderArray(hwnd, wParam, lParam);
1733
1734 case HDM_SETUNICODEFORMAT:
1735 return HEADER_SetUnicodeFormat (hwnd, wParam);
1736
1737 case WM_CREATE:
1738 return HEADER_Create (hwnd, wParam, lParam);
1739
1740 case WM_DESTROY:
1741 return HEADER_Destroy (hwnd, wParam, lParam);
1742
1743 case WM_ERASEBKGND:
1744 return 1;
1745
1746 case WM_GETDLGCODE:
1747 return DLGC_WANTTAB | DLGC_WANTARROWS;
1748
1749 case WM_GETFONT:
1750 return HEADER_GetFont (hwnd);
1751
1752 case WM_LBUTTONDBLCLK:
1753 return HEADER_LButtonDblClk (hwnd, wParam, lParam);
1754
1755 case WM_LBUTTONDOWN:
1756 return HEADER_LButtonDown (hwnd, wParam, lParam);
1757
1758 case WM_LBUTTONUP:
1759 return HEADER_LButtonUp (hwnd, wParam, lParam);
1760
1761 case WM_MOUSEMOVE:
1762 return HEADER_MouseMove (hwnd, wParam, lParam);
1763
1764 case WM_NOTIFYFORMAT:
1765 return HEADER_NotifyFormat (hwnd, wParam, lParam);
1766
1767 case WM_SIZE:
1768 return HEADER_Size (hwnd, wParam);
1769
1770 case WM_PAINT:
1771 return HEADER_Paint (hwnd, wParam);
1772
1773 case WM_RBUTTONUP:
1774 return HEADER_RButtonUp (hwnd, wParam, lParam);
1775
1776 case WM_SETCURSOR:
1777 return HEADER_SetCursor (hwnd, wParam, lParam);
1778
1779 case WM_SETFONT:
1780 return HEADER_SetFont (hwnd, wParam, lParam);
1781
1782 default:
1783 if ((msg >= WM_USER) && (msg < WM_APP))
1784 ERR("unknown msg %04x wp=%04x lp=%08lx\n",
1785 msg, wParam, lParam );
1786 return DefWindowProcA (hwnd, msg, wParam, lParam);
1787 }
1788 return 0;
1789 }
1790
1791
1792 VOID
1793 HEADER_Register (void)
1794 {
1795 WNDCLASSA wndClass;
1796
1797 ZeroMemory (&wndClass, sizeof(WNDCLASSA));
1798 wndClass.style = CS_GLOBALCLASS | CS_DBLCLKS;
1799 wndClass.lpfnWndProc = (WNDPROC)HEADER_WindowProc;
1800 wndClass.cbClsExtra = 0;
1801 wndClass.cbWndExtra = sizeof(HEADER_INFO *);
1802 wndClass.hCursor = LoadCursorA (0, IDC_ARROWA);
1803 wndClass.lpszClassName = WC_HEADERA;
1804
1805 RegisterClassA (&wndClass);
1806 }
1807
1808
1809 VOID
1810 HEADER_Unregister (void)
1811 {
1812 UnregisterClassA (WC_HEADERA, NULL);
1813 }
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