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The LVN_GETDISPINFO notify message should point to the same iSubItem
[wine/dcerpc.git] / dlls / comctl32 / header.c
blob08b1f78db239a4d63ca24e06cc2199bdb24a7b9a
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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 <string.h>
36
37 #include "windef.h"
38 #include "winbase.h"
39 #include "wine/unicode.h"
40 #include "wingdi.h"
41 #include "winuser.h"
42 #include "winnls.h"
43 #include "commctrl.h"
44 #include "comctl32.h"
45 #include "imagelist.h"
46 #include "wine/debug.h"
47
48 WINE_DEFAULT_DEBUG_CHANNEL(header);
49
50 typedef struct
51 {
52 INT cxy;
53 HBITMAP hbm;
54 LPWSTR pszText;
55 INT fmt;
56 LPARAM lParam;
57 INT iImage;
58 INT iOrder; /* see documentation of HD_ITEM */
59
60 BOOL bDown; /* is item pressed? (used for drawing) */
61 RECT rect; /* bounding rectangle of the item */
62 } HEADER_ITEM;
63
64
65 typedef struct
66 {
67 HWND hwndNotify; /* Owner window to send notifications to */
68 INT nNotifyFormat; /* format used for WM_NOTIFY messages */
69 UINT uNumItem; /* number of items (columns) */
70 INT nHeight; /* height of the header (pixels) */
71 HFONT hFont; /* handle to the current font */
72 HCURSOR hcurArrow; /* handle to the arrow cursor */
73 HCURSOR hcurDivider; /* handle to a cursor (used over dividers) <-|-> */
74 HCURSOR hcurDivopen; /* handle to a cursor (used over dividers) <-||-> */
75 BOOL bCaptured; /* Is the mouse captured? */
76 BOOL bPressed; /* Is a header item pressed (down)? */
77 BOOL bTracking; /* Is in tracking mode? */
78 BOOL bUnicode; /* Unicode flag */
79 INT iMoveItem; /* index of tracked item. (Tracking mode) */
80 INT xTrackOffset; /* distance between the right side of the tracked item and the cursor */
81 INT xOldTrack; /* track offset (see above) after the last WM_MOUSEMOVE */
82 INT nOldWidth; /* width of a sizing item after the last WM_MOUSEMOVE */
83 INT iHotItem; /* index of hot item (cursor is over this item) */
84 INT iMargin; /* width of the margin that surrounds a bitmap */
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 + infoPtr->iMargin) {
238 cx = bmp.bmWidth;
239 }
240 else {
241 cx = rx - infoPtr->iMargin;
242 }
243
244 hdcBitmap = CreateCompatibleDC (hdc);
245 SelectObject (hdcBitmap, phdi->hbm);
246 BitBlt (hdc, r.left + infoPtr->iMargin, yD, cx, cy, hdcBitmap, 0, yS, SRCCOPY);
247 DeleteDC (hdcBitmap);
248
249 r.left += (bmp.bmWidth + infoPtr->iMargin);
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 if (phdi->fmt & HDF_STRING) {
263 DrawTextW (hdc, phdi->pszText, -1,
264 &textRect, DT_LEFT|DT_VCENTER|DT_SINGLELINE|DT_CALCRECT);
265 tx = textRect.right - textRect.left;
266 }
267 else
268 tx = 0;
269 ry = r.bottom - r.top;
270 rx = r.right - r.left;
271
272 if (ry >= bmp.bmHeight) {
273 cy = bmp.bmHeight;
274 yD = r.top + (ry - bmp.bmHeight) / 2;
275 yS = 0;
276 }
277 else {
278 cy = ry;
279 yD = r.top;
280 yS = (bmp.bmHeight - ry) / 2;
281
282 }
283
284 if (r.left + tx + bmp.bmWidth + 2*infoPtr->iMargin <= r.right) {
285 cx = bmp.bmWidth;
286 xD = r.left + tx + infoPtr->iMargin;
287 }
288 else {
289 if (rx >= bmp.bmWidth + infoPtr->iMargin ) {
290 cx = bmp.bmWidth;
291 xD = r.right - bmp.bmWidth - infoPtr->iMargin;
292 r.right = xD - infoPtr->iMargin;
293 }
294 else {
295 cx = rx - infoPtr->iMargin;
296 xD = r.left;
297 r.right = r.left;
298 }
299 }
300
301 hdcBitmap = CreateCompatibleDC (hdc);
302 SelectObject (hdcBitmap, phdi->hbm);
303 BitBlt (hdc, xD, yD, cx, cy, hdcBitmap, 0, yS, SRCCOPY);
304 DeleteDC (hdcBitmap);
305 }
306
307 if ((phdi->fmt & HDF_IMAGE) && !(phdi->fmt & HDF_BITMAP_ON_RIGHT) && (infoPtr->himl)) {
308 r.left += infoPtr->iMargin;
309 ImageList_DrawEx(infoPtr->himl, phdi->iImage, hdc, r.left, r.top + (r.bottom-r.top- infoPtr->himl->cy)/2,
310 infoPtr->himl->cx, r.bottom-r.top, CLR_DEFAULT, CLR_DEFAULT, 0);
311 r.left += infoPtr->himl->cx;
312 }
313
314 if ((phdi->fmt & HDF_IMAGE) && (phdi->fmt & HDF_BITMAP_ON_RIGHT) && (infoPtr->himl)) {
315 RECT textRect;
316 INT tx;
317
318 textRect = r;
319 if (phdi->fmt & HDF_STRING) {
320 DrawTextW (hdc, phdi->pszText, -1,
321 &textRect, DT_LEFT|DT_VCENTER|DT_SINGLELINE|DT_CALCRECT);
322 tx = textRect.right - textRect.left;
323 }
324 else
325 tx = 0;
326 ImageList_DrawEx(infoPtr->himl, phdi->iImage, hdc, r.left + tx + 2*infoPtr->iMargin,
327 r.top + (r.bottom-r.top-infoPtr->himl->cy)/2, infoPtr->himl->cx, r.bottom-r.top,
328 CLR_DEFAULT, CLR_DEFAULT, 0);
329 }
330
331 if (((phdi->fmt & HDF_STRING)
332 || (!(phdi->fmt & (HDF_OWNERDRAW|HDF_STRING|HDF_BITMAP|
333 HDF_BITMAP_ON_RIGHT|HDF_IMAGE)))) /* no explicit format specified? */
334 && (phdi->pszText)) {
335 oldBkMode = SetBkMode(hdc, TRANSPARENT);
336 r.left += infoPtr->iMargin;
337 r.right -= infoPtr->iMargin;
338 SetTextColor (hdc, (bHotTrack) ? COLOR_HIGHLIGHT : COLOR_BTNTEXT);
339 DrawTextW (hdc, phdi->pszText, -1,
340 &r, uTextJustify|DT_END_ELLIPSIS|DT_VCENTER|DT_SINGLELINE);
341 if (oldBkMode != TRANSPARENT)
342 SetBkMode(hdc, oldBkMode);
343 }
344 }/*Ownerdrawn*/
345
346 return phdi->rect.right;
347 }
348
349
350 static void
351 HEADER_Refresh (HWND hwnd, HDC hdc)
352 {
353 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
354 HFONT hFont, hOldFont;
355 RECT rect;
356 HBRUSH hbrBk;
357 INT i, x;
358
359 /* get rect for the bar, adjusted for the border */
360 GetClientRect (hwnd, &rect);
361
362 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT);
363 hOldFont = SelectObject (hdc, hFont);
364
365 /* draw Background */
366 hbrBk = GetSysColorBrush(COLOR_3DFACE);
367 FillRect(hdc, &rect, hbrBk);
368
369 x = rect.left;
370 for (i = 0; i < infoPtr->uNumItem; i++) {
371 x = HEADER_DrawItem (hwnd, hdc, HEADER_OrderToIndex(hwnd,i), FALSE);
372 }
373
374 if ((x <= rect.right) && (infoPtr->uNumItem > 0)) {
375 rect.left = x;
376 if (GetWindowLongA (hwnd, GWL_STYLE) & HDS_BUTTONS)
377 DrawEdge (hdc, &rect, EDGE_RAISED, BF_TOP|BF_LEFT|BF_BOTTOM|BF_SOFT);
378 else
379 DrawEdge (hdc, &rect, EDGE_ETCHED, BF_BOTTOM);
380 }
381
382 SelectObject (hdc, hOldFont);
383 }
384
385
386 static void
387 HEADER_RefreshItem (HWND hwnd, HDC hdc, INT iItem)
388 {
389 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
390 HFONT hFont, hOldFont;
391
392 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT);
393 hOldFont = SelectObject (hdc, hFont);
394 HEADER_DrawItem (hwnd, hdc, iItem, FALSE);
395 SelectObject (hdc, hOldFont);
396 }
397
398
399 static void
400 HEADER_InternalHitTest (HWND hwnd, LPPOINT lpPt, UINT *pFlags, INT *pItem)
401 {
402 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
403 RECT rect, rcTest;
404 INT iCount, width;
405 BOOL bNoWidth;
406
407 GetClientRect (hwnd, &rect);
408
409 *pFlags = 0;
410 bNoWidth = FALSE;
411 if (PtInRect (&rect, *lpPt))
412 {
413 if (infoPtr->uNumItem == 0) {
414 *pFlags |= HHT_NOWHERE;
415 *pItem = 1;
416 TRACE("NOWHERE\n");
417 return;
418 }
419 else {
420 /* somewhere inside */
421 for (iCount = 0; iCount < infoPtr->uNumItem; iCount++) {
422 rect = infoPtr->items[iCount].rect;
423 width = rect.right - rect.left;
424 if (width == 0) {
425 bNoWidth = TRUE;
426 continue;
427 }
428 if (PtInRect (&rect, *lpPt)) {
429 if (width <= 2 * DIVIDER_WIDTH) {
430 *pFlags |= HHT_ONHEADER;
431 *pItem = iCount;
432 TRACE("ON HEADER %d\n", iCount);
433 return;
434 }
435 if (iCount > 0) {
436 rcTest = rect;
437 rcTest.right = rcTest.left + DIVIDER_WIDTH;
438 if (PtInRect (&rcTest, *lpPt)) {
439 if (bNoWidth) {
440 *pFlags |= HHT_ONDIVOPEN;
441 *pItem = iCount - 1;
442 TRACE("ON DIVOPEN %d\n", *pItem);
443 return;
444 }
445 else {
446 *pFlags |= HHT_ONDIVIDER;
447 *pItem = iCount - 1;
448 TRACE("ON DIVIDER %d\n", *pItem);
449 return;
450 }
451 }
452 }
453 rcTest = rect;
454 rcTest.left = rcTest.right - DIVIDER_WIDTH;
455 if (PtInRect (&rcTest, *lpPt)) {
456 *pFlags |= HHT_ONDIVIDER;
457 *pItem = iCount;
458 TRACE("ON DIVIDER %d\n", *pItem);
459 return;
460 }
461
462 *pFlags |= HHT_ONHEADER;
463 *pItem = iCount;
464 TRACE("ON HEADER %d\n", iCount);
465 return;
466 }
467 }
468
469 /* check for last divider part (on nowhere) */
470 rect = infoPtr->items[infoPtr->uNumItem-1].rect;
471 rect.left = rect.right;
472 rect.right += DIVIDER_WIDTH;
473 if (PtInRect (&rect, *lpPt)) {
474 if (bNoWidth) {
475 *pFlags |= HHT_ONDIVOPEN;
476 *pItem = infoPtr->uNumItem - 1;
477 TRACE("ON DIVOPEN %d\n", *pItem);
478 return;
479 }
480 else {
481 *pFlags |= HHT_ONDIVIDER;
482 *pItem = infoPtr->uNumItem-1;
483 TRACE("ON DIVIDER %d\n", *pItem);
484 return;
485 }
486 }
487
488 *pFlags |= HHT_NOWHERE;
489 *pItem = 1;
490 TRACE("NOWHERE\n");
491 return;
492 }
493 }
494 else {
495 if (lpPt->x < rect.left) {
496 TRACE("TO LEFT\n");
497 *pFlags |= HHT_TOLEFT;
498 }
499 else if (lpPt->x > rect.right) {
500 TRACE("TO RIGHT\n");
501 *pFlags |= HHT_TORIGHT;
502 }
503
504 if (lpPt->y < rect.top) {
505 TRACE("ABOVE\n");
506 *pFlags |= HHT_ABOVE;
507 }
508 else if (lpPt->y > rect.bottom) {
509 TRACE("BELOW\n");
510 *pFlags |= HHT_BELOW;
511 }
512 }
513
514 *pItem = 1;
515 TRACE("flags=0x%X\n", *pFlags);
516 return;
517 }
518
519
520 static void
521 HEADER_DrawTrackLine (HWND hwnd, HDC hdc, INT x)
522 {
523 RECT rect;
524 HPEN hOldPen;
525 INT oldRop;
526
527 GetClientRect (hwnd, &rect);
528
529 hOldPen = SelectObject (hdc, GetStockObject (BLACK_PEN));
530 oldRop = SetROP2 (hdc, R2_XORPEN);
531 MoveToEx (hdc, x, rect.top, NULL);
532 LineTo (hdc, x, rect.bottom);
533 SetROP2 (hdc, oldRop);
534 SelectObject (hdc, hOldPen);
535 }
536
537
538 static BOOL
539 HEADER_SendSimpleNotify (HWND hwnd, UINT code)
540 {
541 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
542 NMHDR nmhdr;
543
544 nmhdr.hwndFrom = hwnd;
545 nmhdr.idFrom = GetWindowLongA (hwnd, GWL_ID);
546 nmhdr.code = code;
547
548 return (BOOL)SendMessageA (infoPtr->hwndNotify, WM_NOTIFY,
549 (WPARAM)nmhdr.idFrom, (LPARAM)&nmhdr);
550 }
551
552 static BOOL
553 HEADER_SendHeaderNotify (HWND hwnd, UINT code, INT iItem, INT mask)
554 {
555 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
556 NMHEADERA nmhdr;
557 HDITEMA nmitem;
558
559 nmhdr.hdr.hwndFrom = hwnd;
560 nmhdr.hdr.idFrom = GetWindowLongA (hwnd, GWL_ID);
561 nmhdr.hdr.code = code;
562 nmhdr.iItem = iItem;
563 nmhdr.iButton = 0;
564 nmhdr.pitem = &nmitem;
565 nmitem.mask = mask;
566 nmitem.cxy = infoPtr->items[iItem].cxy;
567 nmitem.hbm = infoPtr->items[iItem].hbm;
568 nmitem.pszText = NULL;
569 nmitem.cchTextMax = 0;
570 /* nmitem.pszText = infoPtr->items[iItem].pszText; */
571 /* nmitem.cchTextMax = infoPtr->items[iItem].cchTextMax; */
572 nmitem.fmt = infoPtr->items[iItem].fmt;
573 nmitem.lParam = infoPtr->items[iItem].lParam;
574 nmitem.iOrder = infoPtr->items[iItem].iOrder;
575 nmitem.iImage = infoPtr->items[iItem].iImage;
576
577 return (BOOL)SendMessageA (infoPtr->hwndNotify, WM_NOTIFY,
578 (WPARAM)nmhdr.hdr.idFrom, (LPARAM)&nmhdr);
579 }
580
581
582 static BOOL
583 HEADER_SendClickNotify (HWND hwnd, UINT code, INT iItem)
584 {
585 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
586 NMHEADERA nmhdr;
587
588 nmhdr.hdr.hwndFrom = hwnd;
589 nmhdr.hdr.idFrom = GetWindowLongA (hwnd, GWL_ID);
590 nmhdr.hdr.code = code;
591 nmhdr.iItem = iItem;
592 nmhdr.iButton = 0;
593 nmhdr.pitem = NULL;
594
595 return (BOOL)SendMessageA (infoPtr->hwndNotify, WM_NOTIFY,
596 (WPARAM)nmhdr.hdr.idFrom, (LPARAM)&nmhdr);
597 }
598
599
600 static LRESULT
601 HEADER_CreateDragImage (HWND hwnd, WPARAM wParam)
602 {
603 FIXME("empty stub!\n");
604 return 0;
605 }
606
607
608 static LRESULT
609 HEADER_DeleteItem (HWND hwnd, WPARAM wParam)
610 {
611 HEADER_INFO *infoPtr = HEADER_GetInfoPtr(hwnd);
612 INT iItem = (INT)wParam;
613
614 TRACE("[iItem=%d]\n", iItem);
615
616 if ((iItem < 0) || (iItem >= (INT)infoPtr->uNumItem))
617 return FALSE;
618
619 if (infoPtr->uNumItem == 1) {
620 TRACE("Simple delete!\n");
621 if (infoPtr->items[0].pszText)
622 Free (infoPtr->items[0].pszText);
623 Free (infoPtr->items);
624 infoPtr->items = 0;
625 infoPtr->uNumItem = 0;
626 }
627 else {
628 HEADER_ITEM *oldItems = infoPtr->items;
629 HEADER_ITEM *pItem;
630 INT i;
631 INT iOrder;
632 TRACE("Complex delete! [iItem=%d]\n", iItem);
633
634 if (infoPtr->items[iItem].pszText)
635 Free (infoPtr->items[iItem].pszText);
636 iOrder = infoPtr->items[iItem].iOrder;
637
638 infoPtr->uNumItem--;
639 infoPtr->items = Alloc (sizeof (HEADER_ITEM) * infoPtr->uNumItem);
640 /* pre delete copy */
641 if (iItem > 0) {
642 memcpy (&infoPtr->items[0], &oldItems[0],
643 iItem * sizeof(HEADER_ITEM));
644 }
645
646 /* post delete copy */
647 if (iItem < infoPtr->uNumItem) {
648 memcpy (&infoPtr->items[iItem], &oldItems[iItem+1],
649 (infoPtr->uNumItem - iItem) * sizeof(HEADER_ITEM));
650 }
651
652 /* Correct the orders */
653 for (i=infoPtr->uNumItem, pItem = infoPtr->items; i; i--, pItem++)
654 {
655 if (pItem->iOrder > iOrder)
656 pItem->iOrder--;
657 }
658 Free (oldItems);
659 }
660
661 HEADER_SetItemBounds (hwnd);
662
663 InvalidateRect(hwnd, NULL, FALSE);
664
665 return TRUE;
666 }
667
668
669 static LRESULT
670 HEADER_GetImageList (HWND hwnd)
671 {
672 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
673
674 return (LRESULT)infoPtr->himl;
675 }
676
677
678 static LRESULT
679 HEADER_GetItemA (HWND hwnd, WPARAM wParam, LPARAM lParam)
680 {
681 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
682 HDITEMA *phdi = (HDITEMA*)lParam;
683 INT nItem = (INT)wParam;
684 HEADER_ITEM *lpItem;
685
686 if (!phdi)
687 return FALSE;
688 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
689 return FALSE;
690
691 TRACE("[nItem=%d]\n", nItem);
692
693 if (phdi->mask == 0)
694 return TRUE;
695
696 lpItem = &infoPtr->items[nItem];
697 if (phdi->mask & HDI_BITMAP)
698 phdi->hbm = lpItem->hbm;
699
700 if (phdi->mask & HDI_FORMAT)
701 phdi->fmt = lpItem->fmt;
702
703 if (phdi->mask & HDI_WIDTH)
704 phdi->cxy = lpItem->cxy;
705
706 if (phdi->mask & HDI_LPARAM)
707 phdi->lParam = lpItem->lParam;
708
709 if (phdi->mask & HDI_TEXT) {
710 if (lpItem->pszText != LPSTR_TEXTCALLBACKW) {
711 if (lpItem->pszText)
712 WideCharToMultiByte (CP_ACP, 0, lpItem->pszText, -1,
713 phdi->pszText, phdi->cchTextMax, NULL, NULL);
714 else
715 *phdi->pszText = 0;
716 }
717 else
718 phdi->pszText = LPSTR_TEXTCALLBACKA;
719 }
720
721 if (phdi->mask & HDI_IMAGE)
722 phdi->iImage = lpItem->iImage;
723
724 if (phdi->mask & HDI_ORDER)
725 phdi->iOrder = lpItem->iOrder;
726
727 return TRUE;
728 }
729
730
731 static LRESULT
732 HEADER_GetItemW (HWND hwnd, WPARAM wParam, LPARAM lParam)
733 {
734 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
735 HDITEMW *phdi = (HDITEMW*)lParam;
736 INT nItem = (INT)wParam;
737 HEADER_ITEM *lpItem;
738
739 if (!phdi)
740 return FALSE;
741 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
742 return FALSE;
743
744 TRACE("[nItem=%d]\n", nItem);
745
746 if (phdi->mask == 0)
747 return TRUE;
748
749 lpItem = &infoPtr->items[nItem];
750 if (phdi->mask & HDI_BITMAP)
751 phdi->hbm = lpItem->hbm;
752
753 if (phdi->mask & HDI_FORMAT)
754 phdi->fmt = lpItem->fmt;
755
756 if (phdi->mask & HDI_WIDTH)
757 phdi->cxy = lpItem->cxy;
758
759 if (phdi->mask & HDI_LPARAM)
760 phdi->lParam = lpItem->lParam;
761
762 if (phdi->mask & HDI_TEXT) {
763 if (lpItem->pszText != LPSTR_TEXTCALLBACKW) {
764 if (lpItem->pszText)
765 lstrcpynW (phdi->pszText, lpItem->pszText, phdi->cchTextMax);
766 else
767 *phdi->pszText = 0;
768 }
769 else
770 phdi->pszText = LPSTR_TEXTCALLBACKW;
771 }
772
773 if (phdi->mask & HDI_IMAGE)
774 phdi->iImage = lpItem->iImage;
775
776 if (phdi->mask & HDI_ORDER)
777 phdi->iOrder = lpItem->iOrder;
778
779 return TRUE;
780 }
781
782
783 inline static LRESULT
784 HEADER_GetItemCount (HWND hwnd)
785 {
786 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
787 return infoPtr->uNumItem;
788 }
789
790
791 static LRESULT
792 HEADER_GetItemRect (HWND hwnd, WPARAM wParam, LPARAM lParam)
793 {
794 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
795 INT iItem = (INT)wParam;
796 LPRECT lpRect = (LPRECT)lParam;
797
798 if ((iItem < 0) || (iItem >= (INT)infoPtr->uNumItem))
799 return FALSE;
800
801 lpRect->left = infoPtr->items[iItem].rect.left;
802 lpRect->right = infoPtr->items[iItem].rect.right;
803 lpRect->top = infoPtr->items[iItem].rect.top;
804 lpRect->bottom = infoPtr->items[iItem].rect.bottom;
805
806 return TRUE;
807 }
808
809
810 static LRESULT
811 HEADER_GetOrderArray(HWND hwnd, WPARAM wParam, LPARAM lParam)
812 {
813 int i;
814 LPINT order = (LPINT) lParam;
815 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
816
817 if ((int)wParam <infoPtr->uNumItem)
818 return FALSE;
819 for (i=0; i<(int)wParam; i++)
820 *order++=HEADER_OrderToIndex(hwnd,i);
821 return TRUE;
822 }
823
824 static LRESULT
825 HEADER_SetOrderArray(HWND hwnd, WPARAM wParam, LPARAM lParam)
826 {
827 int i;
828 LPINT order = (LPINT) lParam;
829 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
830 HEADER_ITEM *lpItem;
831
832 if ((int)wParam <infoPtr->uNumItem)
833 return FALSE;
834 for (i=0; i<(int)wParam; i++)
835 {
836 lpItem = &infoPtr->items[*order++];
837 lpItem->iOrder=i;
838 }
839 infoPtr->bRectsValid=0;
840 InvalidateRect(hwnd, NULL, FALSE);
841 return TRUE;
842 }
843
844 inline static LRESULT
845 HEADER_GetUnicodeFormat (HWND hwnd)
846 {
847 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
848 return infoPtr->bUnicode;
849 }
850
851
852 static LRESULT
853 HEADER_HitTest (HWND hwnd, WPARAM wParam, LPARAM lParam)
854 {
855 LPHDHITTESTINFO phti = (LPHDHITTESTINFO)lParam;
856
857 HEADER_InternalHitTest (hwnd, &phti->pt, &phti->flags, &phti->iItem);
858
859 if (phti->flags == HHT_ONHEADER)
860 return phti->iItem;
861 else
862 return -1;
863 }
864
865
866 static LRESULT
867 HEADER_InsertItemA (HWND hwnd, WPARAM wParam, LPARAM lParam)
868 {
869 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
870 HDITEMA *phdi = (HDITEMA*)lParam;
871 INT nItem = (INT)wParam;
872 HEADER_ITEM *lpItem;
873 INT len, i, iOrder;
874
875 if ((phdi == NULL) || (nItem < 0))
876 return -1;
877
878 if (nItem > infoPtr->uNumItem)
879 nItem = infoPtr->uNumItem;
880
881 iOrder = (phdi->mask & HDI_ORDER) ? phdi->iOrder : nItem;
882
883 if (infoPtr->uNumItem == 0) {
884 infoPtr->items = Alloc (sizeof (HEADER_ITEM));
885 infoPtr->uNumItem++;
886 }
887 else {
888 HEADER_ITEM *oldItems = infoPtr->items;
889
890 infoPtr->uNumItem++;
891 infoPtr->items = Alloc (sizeof (HEADER_ITEM) * infoPtr->uNumItem);
892 if (nItem == 0) {
893 memcpy (&infoPtr->items[1], &oldItems[0],
894 (infoPtr->uNumItem-1) * sizeof(HEADER_ITEM));
895 }
896 else
897 {
898 /* pre insert copy */
899 if (nItem > 0) {
900 memcpy (&infoPtr->items[0], &oldItems[0],
901 nItem * sizeof(HEADER_ITEM));
902 }
903
904 /* post insert copy */
905 if (nItem < infoPtr->uNumItem - 1) {
906 memcpy (&infoPtr->items[nItem+1], &oldItems[nItem],
907 (infoPtr->uNumItem - nItem - 1) * sizeof(HEADER_ITEM));
908 }
909 }
910
911 Free (oldItems);
912 }
913
914 for (i=0; i < infoPtr->uNumItem; i++)
915 {
916 if (infoPtr->items[i].iOrder >= iOrder)
917 infoPtr->items[i].iOrder++;
918 }
919
920 lpItem = &infoPtr->items[nItem];
921 lpItem->bDown = FALSE;
922
923 if (phdi->mask & HDI_WIDTH)
924 lpItem->cxy = phdi->cxy;
925
926 if (phdi->mask & HDI_TEXT) {
927 static char empty[] = "";
928 if (!phdi->pszText) /* null pointer check */
929 phdi->pszText = empty;
930 if (phdi->pszText != LPSTR_TEXTCALLBACKA) {
931 len = MultiByteToWideChar(CP_ACP, 0, phdi->pszText, -1, NULL, 0);
932 lpItem->pszText = Alloc( len*sizeof(WCHAR) );
933 MultiByteToWideChar(CP_ACP, 0, phdi->pszText, -1, lpItem->pszText, len);
934 }
935 else
936 lpItem->pszText = LPSTR_TEXTCALLBACKW;
937 }
938
939 if (phdi->mask & HDI_FORMAT)
940 lpItem->fmt = phdi->fmt;
941
942 if (lpItem->fmt == 0)
943 lpItem->fmt = HDF_LEFT;
944
945 if (!(lpItem->fmt & HDF_STRING) && (phdi->mask & HDI_TEXT))
946 {
947 lpItem->fmt |= HDF_STRING;
948 }
949 if (phdi->mask & HDI_BITMAP)
950 lpItem->hbm = phdi->hbm;
951
952 if (phdi->mask & HDI_LPARAM)
953 lpItem->lParam = phdi->lParam;
954
955 if (phdi->mask & HDI_IMAGE)
956 lpItem->iImage = phdi->iImage;
957
958 lpItem->iOrder = iOrder;
959
960 HEADER_SetItemBounds (hwnd);
961
962 InvalidateRect(hwnd, NULL, FALSE);
963
964 return nItem;
965 }
966
967
968 static LRESULT
969 HEADER_InsertItemW (HWND hwnd, WPARAM wParam, LPARAM lParam)
970 {
971 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
972 HDITEMW *phdi = (HDITEMW*)lParam;
973 INT nItem = (INT)wParam;
974 HEADER_ITEM *lpItem;
975 INT len, i, iOrder;
976
977 if ((phdi == NULL) || (nItem < 0))
978 return -1;
979
980 if (nItem > infoPtr->uNumItem)
981 nItem = infoPtr->uNumItem;
982
983 iOrder = (phdi->mask & HDI_ORDER) ? phdi->iOrder : nItem;
984
985 if (infoPtr->uNumItem == 0) {
986 infoPtr->items = Alloc (sizeof (HEADER_ITEM));
987 infoPtr->uNumItem++;
988 }
989 else {
990 HEADER_ITEM *oldItems = infoPtr->items;
991
992 infoPtr->uNumItem++;
993 infoPtr->items = Alloc (sizeof (HEADER_ITEM) * infoPtr->uNumItem);
994 if (nItem == 0) {
995 memcpy (&infoPtr->items[1], &oldItems[0],
996 (infoPtr->uNumItem-1) * sizeof(HEADER_ITEM));
997 }
998 else
999 {
1000 /* pre insert copy */
1001 if (nItem > 0) {
1002 memcpy (&infoPtr->items[0], &oldItems[0],
1003 nItem * sizeof(HEADER_ITEM));
1004 }
1005
1006 /* post insert copy */
1007 if (nItem < infoPtr->uNumItem - 1) {
1008 memcpy (&infoPtr->items[nItem+1], &oldItems[nItem],
1009 (infoPtr->uNumItem - nItem - 1) * sizeof(HEADER_ITEM));
1010 }
1011 }
1012
1013 Free (oldItems);
1014 }
1015
1016 for (i=0; i < infoPtr->uNumItem; i++)
1017 {
1018 if (infoPtr->items[i].iOrder >= iOrder)
1019 infoPtr->items[i].iOrder++;
1020 }
1021
1022 lpItem = &infoPtr->items[nItem];
1023 lpItem->bDown = FALSE;
1024
1025 if (phdi->mask & HDI_WIDTH)
1026 lpItem->cxy = phdi->cxy;
1027
1028 if (phdi->mask & HDI_TEXT) {
1029 WCHAR wide_null_char = 0;
1030 if (!phdi->pszText) /* null pointer check */
1031 phdi->pszText = &wide_null_char;
1032 if (phdi->pszText != LPSTR_TEXTCALLBACKW) {
1033 len = strlenW (phdi->pszText);
1034 lpItem->pszText = Alloc ((len+1)*sizeof(WCHAR));
1035 strcpyW (lpItem->pszText, phdi->pszText);
1036 }
1037 else
1038 lpItem->pszText = LPSTR_TEXTCALLBACKW;
1039 }
1040
1041 if (phdi->mask & HDI_FORMAT)
1042 lpItem->fmt = phdi->fmt;
1043
1044 if (lpItem->fmt == 0)
1045 lpItem->fmt = HDF_LEFT;
1046
1047 if (!(lpItem->fmt &HDF_STRING) && (phdi->mask & HDI_TEXT))
1048 {
1049 lpItem->fmt |= HDF_STRING;
1050 }
1051 if (phdi->mask & HDI_BITMAP)
1052 lpItem->hbm = phdi->hbm;
1053
1054 if (phdi->mask & HDI_LPARAM)
1055 lpItem->lParam = phdi->lParam;
1056
1057 if (phdi->mask & HDI_IMAGE)
1058 lpItem->iImage = phdi->iImage;
1059
1060 lpItem->iOrder = iOrder;
1061
1062 HEADER_SetItemBounds (hwnd);
1063
1064 InvalidateRect(hwnd, NULL, FALSE);
1065
1066 return nItem;
1067 }
1068
1069
1070 static LRESULT
1071 HEADER_Layout (HWND hwnd, WPARAM wParam, LPARAM lParam)
1072 {
1073 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1074 LPHDLAYOUT lpLayout = (LPHDLAYOUT)lParam;
1075
1076 lpLayout->pwpos->hwnd = hwnd;
1077 lpLayout->pwpos->hwndInsertAfter = 0;
1078 lpLayout->pwpos->x = lpLayout->prc->left;
1079 lpLayout->pwpos->y = lpLayout->prc->top;
1080 lpLayout->pwpos->cx = lpLayout->prc->right - lpLayout->prc->left;
1081 if (GetWindowLongA (hwnd, GWL_STYLE) & HDS_HIDDEN)
1082 lpLayout->pwpos->cy = 0;
1083 else {
1084 lpLayout->pwpos->cy = infoPtr->nHeight;
1085 lpLayout->prc->top += infoPtr->nHeight;
1086 }
1087 lpLayout->pwpos->flags = SWP_NOZORDER;
1088
1089 TRACE("Layout x=%d y=%d cx=%d cy=%d\n",
1090 lpLayout->pwpos->x, lpLayout->pwpos->y,
1091 lpLayout->pwpos->cx, lpLayout->pwpos->cy);
1092
1093 infoPtr->bRectsValid = FALSE;
1094
1095 return TRUE;
1096 }
1097
1098
1099 static LRESULT
1100 HEADER_SetImageList (HWND hwnd, HIMAGELIST himl)
1101 {
1102 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1103 HIMAGELIST himlOld;
1104
1105 TRACE("(himl 0x%x)\n", (int)himl);
1106 himlOld = infoPtr->himl;
1107 infoPtr->himl = himl;
1108
1109 /* FIXME: Refresh needed??? */
1110
1111 return (LRESULT)himlOld;
1112 }
1113
1114
1115 static LRESULT
1116 HEADER_GetBitmapMargin(HWND hwnd)
1117 {
1118 HEADER_INFO *infoPtr = HEADER_GetInfoPtr(hwnd);
1119
1120 return infoPtr->iMargin;
1121 }
1122
1123 static LRESULT
1124 HEADER_SetBitmapMargin(HWND hwnd, WPARAM wParam)
1125 {
1126 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1127 INT oldMargin = infoPtr->iMargin;
1128
1129 infoPtr->iMargin = (INT)wParam;
1130
1131 return oldMargin;
1132 }
1133
1134 static LRESULT
1135 HEADER_SetItemA (HWND hwnd, WPARAM wParam, LPARAM lParam)
1136 {
1137 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1138 HDITEMA *phdi = (HDITEMA*)lParam;
1139 INT nItem = (INT)wParam;
1140 HEADER_ITEM *lpItem;
1141
1142 if (phdi == NULL)
1143 return FALSE;
1144 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
1145 return FALSE;
1146
1147 TRACE("[nItem=%d]\n", nItem);
1148
1149 if (HEADER_SendHeaderNotify (hwnd, HDN_ITEMCHANGINGA, nItem, phdi->mask))
1150 return FALSE;
1151
1152 lpItem = &infoPtr->items[nItem];
1153 if (phdi->mask & HDI_BITMAP)
1154 lpItem->hbm = phdi->hbm;
1155
1156 if (phdi->mask & HDI_FORMAT)
1157 lpItem->fmt = phdi->fmt;
1158
1159 if (phdi->mask & HDI_LPARAM)
1160 lpItem->lParam = phdi->lParam;
1161
1162 if (phdi->mask & HDI_TEXT) {
1163 if (phdi->pszText != LPSTR_TEXTCALLBACKA) {
1164 if (lpItem->pszText) {
1165 Free (lpItem->pszText);
1166 lpItem->pszText = NULL;
1167 }
1168 if (phdi->pszText) {
1169 INT len = MultiByteToWideChar (CP_ACP,0,phdi->pszText,-1,NULL,0);
1170 lpItem->pszText = Alloc( len*sizeof(WCHAR) );
1171 MultiByteToWideChar (CP_ACP,0,phdi->pszText,-1,lpItem->pszText,len);
1172 }
1173 }
1174 else
1175 lpItem->pszText = LPSTR_TEXTCALLBACKW;
1176 }
1177
1178 if (phdi->mask & HDI_WIDTH)
1179 lpItem->cxy = phdi->cxy;
1180
1181 if (phdi->mask & HDI_IMAGE)
1182 lpItem->iImage = phdi->iImage;
1183
1184 if (phdi->mask & HDI_ORDER)
1185 {
1186 lpItem->iOrder = phdi->iOrder;
1187 }
1188 else
1189 lpItem->iOrder = nItem;
1190
1191 HEADER_SendHeaderNotify (hwnd, HDN_ITEMCHANGEDA, nItem, phdi->mask);
1192
1193 HEADER_SetItemBounds (hwnd);
1194
1195 InvalidateRect(hwnd, NULL, FALSE);
1196
1197 return TRUE;
1198 }
1199
1200
1201 static LRESULT
1202 HEADER_SetItemW (HWND hwnd, WPARAM wParam, LPARAM lParam)
1203 {
1204 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1205 HDITEMW *phdi = (HDITEMW*)lParam;
1206 INT nItem = (INT)wParam;
1207 HEADER_ITEM *lpItem;
1208
1209 if (phdi == NULL)
1210 return FALSE;
1211 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
1212 return FALSE;
1213
1214 TRACE("[nItem=%d]\n", nItem);
1215
1216 if (HEADER_SendHeaderNotify (hwnd, HDN_ITEMCHANGINGW, nItem, phdi->mask))
1217 return FALSE;
1218
1219 lpItem = &infoPtr->items[nItem];
1220 if (phdi->mask & HDI_BITMAP)
1221 lpItem->hbm = phdi->hbm;
1222
1223 if (phdi->mask & HDI_FORMAT)
1224 lpItem->fmt = phdi->fmt;
1225
1226 if (phdi->mask & HDI_LPARAM)
1227 lpItem->lParam = phdi->lParam;
1228
1229 if (phdi->mask & HDI_TEXT) {
1230 if (phdi->pszText != LPSTR_TEXTCALLBACKW) {
1231 if (lpItem->pszText) {
1232 Free (lpItem->pszText);
1233 lpItem->pszText = NULL;
1234 }
1235 if (phdi->pszText) {
1236 INT len = strlenW (phdi->pszText);
1237 lpItem->pszText = Alloc ((len+1)*sizeof(WCHAR));
1238 strcpyW (lpItem->pszText, phdi->pszText);
1239 }
1240 }
1241 else
1242 lpItem->pszText = LPSTR_TEXTCALLBACKW;
1243 }
1244
1245 if (phdi->mask & HDI_WIDTH)
1246 lpItem->cxy = phdi->cxy;
1247
1248 if (phdi->mask & HDI_IMAGE)
1249 lpItem->iImage = phdi->iImage;
1250
1251 if (phdi->mask & HDI_ORDER)
1252 {
1253 lpItem->iOrder = phdi->iOrder;
1254 }
1255 else
1256 lpItem->iOrder = nItem;
1257
1258 HEADER_SendHeaderNotify(hwnd, HDN_ITEMCHANGEDW, nItem, phdi->mask);
1259
1260 HEADER_SetItemBounds (hwnd);
1261
1262 InvalidateRect(hwnd, NULL, FALSE);
1263
1264 return TRUE;
1265 }
1266
1267 inline static LRESULT
1268 HEADER_SetUnicodeFormat (HWND hwnd, WPARAM wParam)
1269 {
1270 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1271 BOOL bTemp = infoPtr->bUnicode;
1272
1273 infoPtr->bUnicode = (BOOL)wParam;
1274
1275 return bTemp;
1276 }
1277
1278
1279 static LRESULT
1280 HEADER_Create (HWND hwnd, WPARAM wParam, LPARAM lParam)
1281 {
1282 HEADER_INFO *infoPtr;
1283 TEXTMETRICA tm;
1284 HFONT hOldFont;
1285 HDC hdc;
1286
1287 infoPtr = (HEADER_INFO *)Alloc (sizeof(HEADER_INFO));
1288 SetWindowLongA (hwnd, 0, (DWORD)infoPtr);
1289
1290 infoPtr->hwndNotify = GetParent(hwnd);
1291 infoPtr->uNumItem = 0;
1292 infoPtr->hFont = 0;
1293 infoPtr->items = 0;
1294 infoPtr->bRectsValid = FALSE;
1295 infoPtr->hcurArrow = LoadCursorA (0, (LPSTR)IDC_ARROW);
1296 infoPtr->hcurDivider = LoadCursorA (COMCTL32_hModule, MAKEINTRESOURCEA(IDC_DIVIDER));
1297 infoPtr->hcurDivopen = LoadCursorA (COMCTL32_hModule, MAKEINTRESOURCEA(IDC_DIVIDEROPEN));
1298 infoPtr->bPressed = FALSE;
1299 infoPtr->bTracking = FALSE;
1300 infoPtr->iMoveItem = 0;
1301 infoPtr->himl = 0;
1302 infoPtr->iHotItem = -1;
1303 infoPtr->bUnicode = IsWindowUnicode (hwnd);
1304 infoPtr->iMargin = 3*GetSystemMetrics(SM_CXEDGE);
1305 infoPtr->nNotifyFormat =
1306 SendMessageA (infoPtr->hwndNotify, WM_NOTIFYFORMAT, (WPARAM)hwnd, NF_QUERY);
1307
1308 hdc = GetDC (0);
1309 hOldFont = SelectObject (hdc, GetStockObject (SYSTEM_FONT));
1310 GetTextMetricsA (hdc, &tm);
1311 infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
1312 SelectObject (hdc, hOldFont);
1313 ReleaseDC (0, hdc);
1314
1315 return 0;
1316 }
1317
1318
1319 static LRESULT
1320 HEADER_Destroy (HWND hwnd, WPARAM wParam, LPARAM lParam)
1321 {
1322 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1323 HEADER_ITEM *lpItem;
1324 INT nItem;
1325
1326 if (infoPtr->items) {
1327 lpItem = infoPtr->items;
1328 for (nItem = 0; nItem < infoPtr->uNumItem; nItem++, lpItem++) {
1329 if ((lpItem->pszText) && (lpItem->pszText != LPSTR_TEXTCALLBACKW))
1330 Free (lpItem->pszText);
1331 }
1332 Free (infoPtr->items);
1333 }
1334
1335 if (infoPtr->himl)
1336 ImageList_Destroy (infoPtr->himl);
1337
1338 Free (infoPtr);
1339 SetWindowLongA (hwnd, 0, 0);
1340 return 0;
1341 }
1342
1343
1344 static inline LRESULT
1345 HEADER_GetFont (HWND hwnd)
1346 {
1347 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1348
1349 return (LRESULT)infoPtr->hFont;
1350 }
1351
1352
1353 static LRESULT
1354 HEADER_LButtonDblClk (HWND hwnd, WPARAM wParam, LPARAM lParam)
1355 {
1356 POINT pt;
1357 UINT flags;
1358 INT nItem;
1359
1360 pt.x = (INT)LOWORD(lParam);
1361 pt.y = (INT)HIWORD(lParam);
1362 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1363
1364 if ((GetWindowLongA (hwnd, GWL_STYLE) & HDS_BUTTONS) && (flags == HHT_ONHEADER))
1365 HEADER_SendHeaderNotify (hwnd, HDN_ITEMDBLCLICKA, nItem,0);
1366 else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN))
1367 HEADER_SendHeaderNotify (hwnd, HDN_DIVIDERDBLCLICKA, nItem,0);
1368
1369 return 0;
1370 }
1371
1372
1373 static LRESULT
1374 HEADER_LButtonDown (HWND hwnd, WPARAM wParam, LPARAM lParam)
1375 {
1376 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1377 DWORD dwStyle = GetWindowLongA (hwnd, GWL_STYLE);
1378 POINT pt;
1379 UINT flags;
1380 INT nItem;
1381 HDC hdc;
1382
1383 pt.x = (INT)LOWORD(lParam);
1384 pt.y = (INT)HIWORD(lParam);
1385 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1386
1387 if ((dwStyle & HDS_BUTTONS) && (flags == HHT_ONHEADER)) {
1388 SetCapture (hwnd);
1389 infoPtr->bCaptured = TRUE;
1390 infoPtr->bPressed = TRUE;
1391 infoPtr->iMoveItem = nItem;
1392
1393 infoPtr->items[nItem].bDown = TRUE;
1394
1395 /* Send WM_CUSTOMDRAW */
1396 hdc = GetDC (hwnd);
1397 HEADER_RefreshItem (hwnd, hdc, nItem);
1398 ReleaseDC (hwnd, hdc);
1399
1400 TRACE("Pressed item %d!\n", nItem);
1401 }
1402 else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN)) {
1403 if (!(HEADER_SendHeaderNotify (hwnd, HDN_BEGINTRACKA, nItem,0))) {
1404 SetCapture (hwnd);
1405 infoPtr->bCaptured = TRUE;
1406 infoPtr->bTracking = TRUE;
1407 infoPtr->iMoveItem = nItem;
1408 infoPtr->nOldWidth = infoPtr->items[nItem].cxy;
1409 infoPtr->xTrackOffset = infoPtr->items[nItem].rect.right - pt.x;
1410
1411 if (!(dwStyle & HDS_FULLDRAG)) {
1412 infoPtr->xOldTrack = infoPtr->items[nItem].rect.right;
1413 hdc = GetDC (hwnd);
1414 HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
1415 ReleaseDC (hwnd, hdc);
1416 }
1417
1418 TRACE("Begin tracking item %d!\n", nItem);
1419 }
1420 }
1421
1422 return 0;
1423 }
1424
1425
1426 static LRESULT
1427 HEADER_LButtonUp (HWND hwnd, WPARAM wParam, LPARAM lParam)
1428 {
1429 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1430 /*
1431 *DWORD dwStyle = GetWindowLongA (hwnd, GWL_STYLE);
1432 */
1433 POINT pt;
1434 UINT flags;
1435 INT nItem, nWidth;
1436 HDC hdc;
1437
1438 pt.x = (INT)(SHORT)LOWORD(lParam);
1439 pt.y = (INT)(SHORT)HIWORD(lParam);
1440 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1441
1442 if (infoPtr->bPressed) {
1443 if ((nItem == infoPtr->iMoveItem) && (flags == HHT_ONHEADER)) {
1444 infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
1445 hdc = GetDC (hwnd);
1446 HEADER_RefreshItem (hwnd, hdc, infoPtr->iMoveItem);
1447 ReleaseDC (hwnd, hdc);
1448
1449 HEADER_SendClickNotify (hwnd, HDN_ITEMCLICKA, infoPtr->iMoveItem);
1450 }
1451 else if (flags == HHT_ONHEADER)
1452 {
1453 HEADER_ITEM *lpItem;
1454 INT newindex = HEADER_IndexToOrder(hwnd,nItem);
1455 INT oldindex = HEADER_IndexToOrder(hwnd,infoPtr->iMoveItem);
1456
1457 TRACE("Exchanging [index:order] [%d:%d] [%d:%d]\n",
1458 infoPtr->iMoveItem,oldindex,nItem,newindex);
1459 lpItem= &infoPtr->items[nItem];
1460 lpItem->iOrder=oldindex;
1461
1462 lpItem= &infoPtr->items[infoPtr->iMoveItem];
1463 lpItem->iOrder = newindex;
1464
1465 infoPtr->bRectsValid = FALSE;
1466 InvalidateRect(hwnd, NULL, FALSE);
1467 /* FIXME: Should some WM_NOTIFY be sent */
1468 }
1469
1470 TRACE("Released item %d!\n", infoPtr->iMoveItem);
1471 infoPtr->bPressed = FALSE;
1472 }
1473 else if (infoPtr->bTracking) {
1474 TRACE("End tracking item %d!\n", infoPtr->iMoveItem);
1475 infoPtr->bTracking = FALSE;
1476
1477 HEADER_SendHeaderNotify (hwnd, HDN_ENDTRACKA, infoPtr->iMoveItem,HDI_WIDTH);
1478
1479 /*
1480 * we want to do this even for HDS_FULLDRAG because this is where
1481 * we send the HDN_ITEMCHANGING and HDN_ITEMCHANGED notifications
1482 *
1483 * if (!(dwStyle & HDS_FULLDRAG)) {
1484 */
1485
1486 hdc = GetDC (hwnd);
1487 HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
1488 ReleaseDC (hwnd, hdc);
1489 if (HEADER_SendHeaderNotify(hwnd, HDN_ITEMCHANGINGA, infoPtr->iMoveItem, HDI_WIDTH))
1490 {
1491 infoPtr->items[infoPtr->iMoveItem].cxy = infoPtr->nOldWidth;
1492 }
1493 else {
1494 nWidth = pt.x - infoPtr->items[infoPtr->iMoveItem].rect.left + infoPtr->xTrackOffset;
1495 if (nWidth < 0)
1496 nWidth = 0;
1497 infoPtr->items[infoPtr->iMoveItem].cxy = nWidth;
1498 }
1499
1500 HEADER_SendHeaderNotify(hwnd, HDN_ITEMCHANGINGA, infoPtr->iMoveItem, HDI_WIDTH);
1501 HEADER_SetItemBounds (hwnd);
1502 InvalidateRect(hwnd, NULL, FALSE);
1503 /*
1504 * }
1505 */
1506 }
1507
1508 if (infoPtr->bCaptured) {
1509 infoPtr->bCaptured = FALSE;
1510 ReleaseCapture ();
1511 HEADER_SendSimpleNotify (hwnd, NM_RELEASEDCAPTURE);
1512 }
1513
1514 return 0;
1515 }
1516
1517
1518 static LRESULT
1519 HEADER_NotifyFormat (HWND hwnd, WPARAM wParam, LPARAM lParam)
1520 {
1521 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1522
1523 switch (lParam)
1524 {
1525 case NF_QUERY:
1526 return infoPtr->nNotifyFormat;
1527
1528 case NF_REQUERY:
1529 infoPtr->nNotifyFormat =
1530 SendMessageA ((HWND)wParam, WM_NOTIFYFORMAT,
1531 (WPARAM)hwnd, (LPARAM)NF_QUERY);
1532 return infoPtr->nNotifyFormat;
1533 }
1534
1535 return 0;
1536 }
1537
1538
1539 static LRESULT
1540 HEADER_MouseMove (HWND hwnd, WPARAM wParam, LPARAM lParam)
1541 {
1542 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1543 DWORD dwStyle = GetWindowLongA (hwnd, GWL_STYLE);
1544 POINT pt;
1545 UINT flags;
1546 INT nItem, nWidth;
1547 HDC hdc;
1548
1549 pt.x = (INT)(SHORT)LOWORD(lParam);
1550 pt.y = (INT)(SHORT)HIWORD(lParam);
1551 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1552
1553 if ((dwStyle & HDS_BUTTONS) && (dwStyle & HDS_HOTTRACK)) {
1554 if (flags & (HHT_ONHEADER | HHT_ONDIVIDER | HHT_ONDIVOPEN))
1555 infoPtr->iHotItem = nItem;
1556 else
1557 infoPtr->iHotItem = -1;
1558 InvalidateRect(hwnd, NULL, FALSE);
1559 }
1560
1561 if (infoPtr->bCaptured) {
1562 if (infoPtr->bPressed) {
1563 if ((nItem == infoPtr->iMoveItem) && (flags == HHT_ONHEADER))
1564 infoPtr->items[infoPtr->iMoveItem].bDown = TRUE;
1565 else
1566 infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
1567 hdc = GetDC (hwnd);
1568 HEADER_RefreshItem (hwnd, hdc, infoPtr->iMoveItem);
1569 ReleaseDC (hwnd, hdc);
1570
1571 TRACE("Moving pressed item %d!\n", infoPtr->iMoveItem);
1572 }
1573 else if (infoPtr->bTracking) {
1574 if (dwStyle & HDS_FULLDRAG) {
1575 if (HEADER_SendHeaderNotify (hwnd, HDN_ITEMCHANGINGA, infoPtr->iMoveItem, HDI_WIDTH))
1576 {
1577 nWidth = pt.x - infoPtr->items[infoPtr->iMoveItem].rect.left + infoPtr->xTrackOffset;
1578 if (nWidth < 0)
1579 nWidth = 0;
1580 infoPtr->items[infoPtr->iMoveItem].cxy = nWidth;
1581 HEADER_SendHeaderNotify(hwnd, HDN_ITEMCHANGEDA, infoPtr->iMoveItem, HDI_WIDTH);
1582 }
1583 HEADER_SetItemBounds (hwnd);
1584 InvalidateRect(hwnd, NULL, FALSE);
1585 }
1586 else {
1587 hdc = GetDC (hwnd);
1588 HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
1589 infoPtr->xOldTrack = pt.x + infoPtr->xTrackOffset;
1590 if (infoPtr->xOldTrack < infoPtr->items[infoPtr->iMoveItem].rect.left)
1591 infoPtr->xOldTrack = infoPtr->items[infoPtr->iMoveItem].rect.left;
1592 infoPtr->items[infoPtr->iMoveItem].cxy =
1593 infoPtr->xOldTrack - infoPtr->items[infoPtr->iMoveItem].rect.left;
1594 HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
1595 ReleaseDC (hwnd, hdc);
1596 HEADER_SendHeaderNotify (hwnd, HDN_TRACKA, infoPtr->iMoveItem, HDI_WIDTH);
1597 }
1598
1599 TRACE("Tracking item %d!\n", infoPtr->iMoveItem);
1600 }
1601 }
1602
1603 if ((dwStyle & HDS_BUTTONS) && (dwStyle & HDS_HOTTRACK)) {
1604 FIXME("hot track support!\n");
1605 }
1606
1607 return 0;
1608 }
1609
1610
1611 static LRESULT
1612 HEADER_Paint (HWND hwnd, WPARAM wParam)
1613 {
1614 HDC hdc;
1615 PAINTSTRUCT ps;
1616
1617 hdc = wParam==0 ? BeginPaint (hwnd, &ps) : (HDC)wParam;
1618 HEADER_Refresh (hwnd, hdc);
1619 if(!wParam)
1620 EndPaint (hwnd, &ps);
1621 return 0;
1622 }
1623
1624
1625 static LRESULT
1626 HEADER_RButtonUp (HWND hwnd, WPARAM wParam, LPARAM lParam)
1627 {
1628 BOOL bRet;
1629 POINT pt;
1630
1631 pt.x = LOWORD(lParam);
1632 pt.y = HIWORD(lParam);
1633
1634 /* Send a Notify message */
1635 bRet = HEADER_SendSimpleNotify (hwnd, NM_RCLICK);
1636
1637 /* Change to screen coordinate for WM_CONTEXTMENU */
1638 ClientToScreen(hwnd, &pt);
1639
1640 /* Send a WM_CONTEXTMENU message in response to the RBUTTONUP */
1641 SendMessageA( hwnd, WM_CONTEXTMENU, (WPARAM) hwnd, MAKELPARAM(pt.x, pt.y));
1642
1643 return bRet;
1644 }
1645
1646
1647 static LRESULT
1648 HEADER_SetCursor (HWND hwnd, WPARAM wParam, LPARAM lParam)
1649 {
1650 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1651 POINT pt;
1652 UINT flags;
1653 INT nItem;
1654
1655 TRACE("code=0x%X id=0x%X\n", LOWORD(lParam), HIWORD(lParam));
1656
1657 GetCursorPos (&pt);
1658 ScreenToClient (hwnd, &pt);
1659
1660 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1661
1662 if (flags == HHT_ONDIVIDER)
1663 SetCursor (infoPtr->hcurDivider);
1664 else if (flags == HHT_ONDIVOPEN)
1665 SetCursor (infoPtr->hcurDivopen);
1666 else
1667 SetCursor (infoPtr->hcurArrow);
1668
1669 return 0;
1670 }
1671
1672
1673 static LRESULT
1674 HEADER_SetFont (HWND hwnd, WPARAM wParam, LPARAM lParam)
1675 {
1676 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1677 TEXTMETRICA tm;
1678 HFONT hFont, hOldFont;
1679 HDC hdc;
1680
1681 infoPtr->hFont = (HFONT)wParam;
1682
1683 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT);
1684
1685 hdc = GetDC (0);
1686 hOldFont = SelectObject (hdc, hFont);
1687 GetTextMetricsA (hdc, &tm);
1688 infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
1689 SelectObject (hdc, hOldFont);
1690 ReleaseDC (0, hdc);
1691
1692 infoPtr->bRectsValid = FALSE;
1693
1694 if (lParam) {
1695 InvalidateRect(hwnd, NULL, FALSE);
1696 }
1697
1698 return 0;
1699 }
1700
1701
1702 static LRESULT WINAPI
1703 HEADER_WindowProc (HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
1704 {
1705 TRACE("hwnd=%p msg=%x wparam=%x lParam=%lx\n", hwnd, msg, wParam, lParam);
1706 if (!HEADER_GetInfoPtr (hwnd) && (msg != WM_CREATE))
1707 return DefWindowProcA (hwnd, msg, wParam, lParam);
1708 switch (msg) {
1709 /* case HDM_CLEARFILTER: */
1710
1711 case HDM_CREATEDRAGIMAGE:
1712 return HEADER_CreateDragImage (hwnd, wParam);
1713
1714 case HDM_DELETEITEM:
1715 return HEADER_DeleteItem (hwnd, wParam);
1716
1717 /* case HDM_EDITFILTER: */
1718
1719 case HDM_GETBITMAPMARGIN:
1720 return HEADER_GetBitmapMargin(hwnd);
1721
1722 case HDM_GETIMAGELIST:
1723 return HEADER_GetImageList (hwnd);
1724
1725 case HDM_GETITEMA:
1726 return HEADER_GetItemA (hwnd, wParam, lParam);
1727
1728 case HDM_GETITEMW:
1729 return HEADER_GetItemW (hwnd, wParam, lParam);
1730
1731 case HDM_GETITEMCOUNT:
1732 return HEADER_GetItemCount (hwnd);
1733
1734 case HDM_GETITEMRECT:
1735 return HEADER_GetItemRect (hwnd, wParam, lParam);
1736
1737 case HDM_GETORDERARRAY:
1738 return HEADER_GetOrderArray(hwnd, wParam, lParam);
1739
1740 case HDM_GETUNICODEFORMAT:
1741 return HEADER_GetUnicodeFormat (hwnd);
1742
1743 case HDM_HITTEST:
1744 return HEADER_HitTest (hwnd, wParam, lParam);
1745
1746 case HDM_INSERTITEMA:
1747 return HEADER_InsertItemA (hwnd, wParam, lParam);
1748
1749 case HDM_INSERTITEMW:
1750 return HEADER_InsertItemW (hwnd, wParam, lParam);
1751
1752 case HDM_LAYOUT:
1753 return HEADER_Layout (hwnd, wParam, lParam);
1754
1755 case HDM_ORDERTOINDEX:
1756 return HEADER_OrderToIndex(hwnd, wParam);
1757
1758 case HDM_SETBITMAPMARGIN:
1759 return HEADER_SetBitmapMargin(hwnd, wParam);
1760
1761 /* case HDM_SETFILTERCHANGETIMEOUT: */
1762
1763 /* case HDM_SETHOTDIVIDER: */
1764
1765 case HDM_SETIMAGELIST:
1766 return HEADER_SetImageList (hwnd, (HIMAGELIST)lParam);
1767
1768 case HDM_SETITEMA:
1769 return HEADER_SetItemA (hwnd, wParam, lParam);
1770
1771 case HDM_SETITEMW:
1772 return HEADER_SetItemW (hwnd, wParam, lParam);
1773
1774 case HDM_SETORDERARRAY:
1775 return HEADER_SetOrderArray(hwnd, wParam, lParam);
1776
1777 case HDM_SETUNICODEFORMAT:
1778 return HEADER_SetUnicodeFormat (hwnd, wParam);
1779
1780 case WM_CREATE:
1781 return HEADER_Create (hwnd, wParam, lParam);
1782
1783 case WM_DESTROY:
1784 return HEADER_Destroy (hwnd, wParam, lParam);
1785
1786 case WM_ERASEBKGND:
1787 return 1;
1788
1789 case WM_GETDLGCODE:
1790 return DLGC_WANTTAB | DLGC_WANTARROWS;
1791
1792 case WM_GETFONT:
1793 return HEADER_GetFont (hwnd);
1794
1795 case WM_LBUTTONDBLCLK:
1796 return HEADER_LButtonDblClk (hwnd, wParam, lParam);
1797
1798 case WM_LBUTTONDOWN:
1799 return HEADER_LButtonDown (hwnd, wParam, lParam);
1800
1801 case WM_LBUTTONUP:
1802 return HEADER_LButtonUp (hwnd, wParam, lParam);
1803
1804 case WM_MOUSEMOVE:
1805 return HEADER_MouseMove (hwnd, wParam, lParam);
1806
1807 case WM_NOTIFYFORMAT:
1808 return HEADER_NotifyFormat (hwnd, wParam, lParam);
1809
1810 case WM_SIZE:
1811 return HEADER_Size (hwnd, wParam);
1812
1813 case WM_PAINT:
1814 return HEADER_Paint (hwnd, wParam);
1815
1816 case WM_RBUTTONUP:
1817 return HEADER_RButtonUp (hwnd, wParam, lParam);
1818
1819 case WM_SETCURSOR:
1820 return HEADER_SetCursor (hwnd, wParam, lParam);
1821
1822 case WM_SETFONT:
1823 return HEADER_SetFont (hwnd, wParam, lParam);
1824
1825 default:
1826 if ((msg >= WM_USER) && (msg < WM_APP))
1827 ERR("unknown msg %04x wp=%04x lp=%08lx\n",
1828 msg, wParam, lParam );
1829 return DefWindowProcA (hwnd, msg, wParam, lParam);
1830 }
1831 return 0;
1832 }
1833
1834
1835 VOID
1836 HEADER_Register (void)
1837 {
1838 WNDCLASSA wndClass;
1839
1840 ZeroMemory (&wndClass, sizeof(WNDCLASSA));
1841 wndClass.style = CS_GLOBALCLASS | CS_DBLCLKS;
1842 wndClass.lpfnWndProc = (WNDPROC)HEADER_WindowProc;
1843 wndClass.cbClsExtra = 0;
1844 wndClass.cbWndExtra = sizeof(HEADER_INFO *);
1845 wndClass.hCursor = LoadCursorA (0, (LPSTR)IDC_ARROW);
1846 wndClass.lpszClassName = WC_HEADERA;
1847
1848 RegisterClassA (&wndClass);
1849 }
1850
1851
1852 VOID
1853 HEADER_Unregister (void)
1854 {
1855 UnregisterClassA (WC_HEADERA, NULL);
1856 }
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