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wrc: Clean output files when aborting on an error or signal.
[wine/multimedia.git] / dlls / comctl32 / header.c
blobd47e7f50bf40ba966d490c4a0bf86e82d04dd02b
1 /*
2 * Header control
3 *
4 * Copyright 1998 Eric Kohl
5 * Copyright 2000 Eric Kohl for CodeWeavers
6 * Copyright 2003 Maxime Bellenge
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
21 *
22 * TODO:
23 * - Imagelist support (partially).
24 * - Callback items (under construction).
25 * - Hottrack support (partially).
26 * - Custom draw support (including Notifications).
27 * - Drag and Drop support (including Notifications).
28 * - New messages.
29 * - Use notification format
30 * - Correct the order maintenance code to preserve valid order
31 *
32 */
33
34 #include <stdarg.h>
35 #include <stdlib.h>
36 #include <string.h>
37
38 #include "windef.h"
39 #include "winbase.h"
40 #include "wine/unicode.h"
41 #include "wingdi.h"
42 #include "winuser.h"
43 #include "winnls.h"
44 #include "commctrl.h"
45 #include "comctl32.h"
46 #include "imagelist.h"
47 #include "tmschema.h"
48 #include "uxtheme.h"
49 #include "wine/debug.h"
50
51 WINE_DEFAULT_DEBUG_CHANNEL(header);
52
53 typedef struct
54 {
55 INT cxy;
56 HBITMAP hbm;
57 LPWSTR pszText;
58 INT fmt;
59 LPARAM lParam;
60 INT iImage;
61 INT iOrder; /* see documentation of HD_ITEM */
62
63 BOOL bDown; /* is item pressed? (used for drawing) */
64 RECT rect; /* bounding rectangle of the item */
65 DWORD callbackMask; /* HDI_* flags for items that are callback */
66 } HEADER_ITEM;
67
68
69 typedef struct
70 {
71 HWND hwndNotify; /* Owner window to send notifications to */
72 INT nNotifyFormat; /* format used for WM_NOTIFY messages */
73 UINT uNumItem; /* number of items (columns) */
74 INT nHeight; /* height of the header (pixels) */
75 HFONT hFont; /* handle to the current font */
76 HCURSOR hcurArrow; /* handle to the arrow cursor */
77 HCURSOR hcurDivider; /* handle to a cursor (used over dividers) <-|-> */
78 HCURSOR hcurDivopen; /* handle to a cursor (used over dividers) <-||-> */
79 BOOL bCaptured; /* Is the mouse captured? */
80 BOOL bPressed; /* Is a header item pressed (down)? */
81 BOOL bDragging; /* Are we dragging an item? */
82 BOOL bTracking; /* Is in tracking mode? */
83 POINT ptLButtonDown; /* The point where the left button was pressed */
84 INT iMoveItem; /* index of tracked item. (Tracking mode) */
85 INT xTrackOffset; /* distance between the right side of the tracked item and the cursor */
86 INT xOldTrack; /* track offset (see above) after the last WM_MOUSEMOVE */
87 INT nOldWidth; /* width of a sizing item after the last WM_MOUSEMOVE */
88 INT iHotItem; /* index of hot item (cursor is over this item) */
89 INT iHotDivider; /* index of the hot divider (used while dragging an item or by HDM_SETHOTDIVIDER) */
90 INT iMargin; /* width of the margin that surrounds a bitmap */
91
92 HIMAGELIST himl; /* handle to an image list (may be 0) */
93 HEADER_ITEM *items; /* pointer to array of HEADER_ITEM's */
94 INT *order; /* array of item IDs indexed by order */
95 BOOL bRectsValid; /* validity flag for bounding rectangles */
96 } HEADER_INFO;
97
98
99 #define VERT_BORDER 4
100 #define DIVIDER_WIDTH 10
101 #define HOT_DIVIDER_WIDTH 2
102 #define MAX_HEADER_TEXT_LEN 260
103 #define HDN_UNICODE_OFFSET 20
104 #define HDN_FIRST_UNICODE (HDN_FIRST-HDN_UNICODE_OFFSET)
105
106 #define HDI_SUPPORTED_FIELDS (HDI_WIDTH|HDI_TEXT|HDI_FORMAT|HDI_LPARAM|HDI_BITMAP|HDI_IMAGE|HDI_ORDER)
107 #define HDI_UNSUPPORTED_FIELDS (HDI_FILTER)
108 #define HDI_UNKNOWN_FIELDS (~(HDI_SUPPORTED_FIELDS|HDI_UNSUPPORTED_FIELDS|HDI_DI_SETITEM))
109 #define HDI_COMCTL32_4_0_FIELDS (HDI_WIDTH|HDI_TEXT|HDI_FORMAT|HDI_LPARAM|HDI_BITMAP)
110
111 #define HEADER_GetInfoPtr(hwnd) ((HEADER_INFO *)GetWindowLongPtrW(hwnd,0))
112
113 static BOOL HEADER_PrepareCallbackItems(HWND hwnd, INT iItem, INT reqMask);
114 static void HEADER_FreeCallbackItems(HEADER_ITEM *lpItem);
115
116 static const WCHAR themeClass[] = {'H','e','a','d','e','r',0};
117 static WCHAR emptyString[] = {0};
118
119 static void HEADER_DisposeItem(HEADER_ITEM *lpItem)
120 {
121 if (lpItem->pszText)
122 {
123 Free(lpItem->pszText);
124 }
125 }
126
127 static void HEADER_StoreHDItemInHeader(HEADER_ITEM *lpItem, UINT mask, HDITEMW *phdi, BOOL fUnicode)
128 {
129 if (mask & HDI_UNSUPPORTED_FIELDS)
130 FIXME("unsupported header fields %x\n", (mask & HDI_UNSUPPORTED_FIELDS));
131
132 if (mask & HDI_BITMAP)
133 lpItem->hbm = phdi->hbm;
134
135 if (mask & HDI_FORMAT)
136 lpItem->fmt = phdi->fmt;
137
138 if (mask & HDI_LPARAM)
139 lpItem->lParam = phdi->lParam;
140
141 if (mask & HDI_WIDTH)
142 lpItem->cxy = phdi->cxy;
143
144 if (mask & HDI_IMAGE)
145 {
146 lpItem->iImage = phdi->iImage;
147 if (phdi->iImage == I_IMAGECALLBACK)
148 lpItem->callbackMask |= HDI_IMAGE;
149 else
150 lpItem->callbackMask &= ~HDI_IMAGE;
151 }
152
153 if (mask & HDI_TEXT)
154 {
155 if (lpItem->pszText)
156 {
157 Free(lpItem->pszText);
158 lpItem->pszText = NULL;
159 }
160
161 if (phdi->pszText != LPSTR_TEXTCALLBACKW) /* covers != TEXTCALLBACKA too */
162 {
163 LPWSTR pszText = (phdi->pszText != NULL ? phdi->pszText : emptyString);
164 if (fUnicode)
165 Str_SetPtrW(&lpItem->pszText, pszText);
166 else
167 Str_SetPtrAtoW(&lpItem->pszText, (LPSTR)pszText);
168 lpItem->callbackMask &= ~HDI_TEXT;
169 }
170 else
171 {
172 lpItem->pszText = NULL;
173 lpItem->callbackMask |= HDI_TEXT;
174 }
175 }
176 }
177
178 inline static LRESULT
179 HEADER_IndexToOrder (HWND hwnd, INT iItem)
180 {
181 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
182 HEADER_ITEM *lpItem = &infoPtr->items[iItem];
183 return lpItem->iOrder;
184 }
185
186
187 static INT
188 HEADER_OrderToIndex(HWND hwnd, WPARAM wParam)
189 {
190 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
191 INT iorder = (INT)wParam;
192
193 if ((iorder <0) || iorder >= infoPtr->uNumItem)
194 return iorder;
195 return infoPtr->order[iorder];
196 }
197
198 static void
199 HEADER_ChangeItemOrder(HEADER_INFO *infoPtr, INT iItem, INT iNewOrder)
200 {
201 HEADER_ITEM *lpItem = &infoPtr->items[iItem];
202 INT i, nMin, nMax;
203
204 TRACE("%d: %d->%d\n", iItem, lpItem->iOrder, iNewOrder);
205 if (lpItem->iOrder < iNewOrder)
206 {
207 memmove(&infoPtr->order[lpItem->iOrder],
208 &infoPtr->order[lpItem->iOrder + 1],
209 (iNewOrder - lpItem->iOrder) * sizeof(INT));
210 }
211 if (iNewOrder < lpItem->iOrder)
212 {
213 memmove(&infoPtr->order[iNewOrder + 1],
214 &infoPtr->order[iNewOrder],
215 (lpItem->iOrder - iNewOrder) * sizeof(INT));
216 }
217 infoPtr->order[iNewOrder] = iItem;
218 nMin = min(lpItem->iOrder, iNewOrder);
219 nMax = max(lpItem->iOrder, iNewOrder);
220 for (i = nMin; i <= nMax; i++)
221 infoPtr->items[infoPtr->order[i]].iOrder = i;
222 }
223
224 /* Note: if iItem is the last item then this function returns infoPtr->uNumItem */
225 static INT
226 HEADER_NextItem(HWND hwnd, INT iItem)
227 {
228 return HEADER_OrderToIndex(hwnd, HEADER_IndexToOrder(hwnd, iItem)+1);
229 }
230
231 static INT
232 HEADER_PrevItem(HWND hwnd, INT iItem)
233 {
234 return HEADER_OrderToIndex(hwnd, HEADER_IndexToOrder(hwnd, iItem)-1);
235 }
236
237 static void
238 HEADER_SetItemBounds (HWND hwnd)
239 {
240 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
241 HEADER_ITEM *phdi;
242 RECT rect;
243 unsigned int i;
244 int x;
245
246 infoPtr->bRectsValid = TRUE;
247
248 if (infoPtr->uNumItem == 0)
249 return;
250
251 GetClientRect (hwnd, &rect);
252
253 x = rect.left;
254 for (i = 0; i < infoPtr->uNumItem; i++) {
255 phdi = &infoPtr->items[HEADER_OrderToIndex(hwnd,i)];
256 phdi->rect.top = rect.top;
257 phdi->rect.bottom = rect.bottom;
258 phdi->rect.left = x;
259 phdi->rect.right = phdi->rect.left + ((phdi->cxy>0)?phdi->cxy:0);
260 x = phdi->rect.right;
261 }
262 }
263
264 static LRESULT
265 HEADER_Size (HWND hwnd, WPARAM wParam)
266 {
267 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
268
269 infoPtr->bRectsValid = FALSE;
270
271 return 0;
272 }
273
274 static void HEADER_GetHotDividerRect(HWND hwnd, HEADER_INFO *infoPtr, RECT *r)
275 {
276 INT iDivider = infoPtr->iHotDivider;
277 if (infoPtr->uNumItem > 0)
278 {
279 HEADER_ITEM *lpItem;
280
281 if (iDivider < infoPtr->uNumItem)
282 {
283 lpItem = &infoPtr->items[iDivider];
284 r->left = lpItem->rect.left - HOT_DIVIDER_WIDTH/2;
285 r->right = lpItem->rect.left + HOT_DIVIDER_WIDTH/2;
286 }
287 else
288 {
289 lpItem = &infoPtr->items[HEADER_OrderToIndex(hwnd, infoPtr->uNumItem-1)];
290 r->left = lpItem->rect.right - HOT_DIVIDER_WIDTH/2;
291 r->right = lpItem->rect.right + HOT_DIVIDER_WIDTH/2;
292 }
293 r->top = lpItem->rect.top;
294 r->bottom = lpItem->rect.bottom;
295 }
296 else
297 {
298 RECT clientRect;
299 GetClientRect(hwnd, &clientRect);
300 *r = clientRect;
301 r->right = r->left + HOT_DIVIDER_WIDTH/2;
302 }
303 }
304
305
306 static INT
307 HEADER_DrawItem (HWND hwnd, HDC hdc, INT iItem, BOOL bHotTrack)
308 {
309 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
310 HEADER_ITEM *phdi = &infoPtr->items[iItem];
311 RECT r;
312 INT oldBkMode, cxEdge = GetSystemMetrics(SM_CXEDGE);
313 HTHEME theme = GetWindowTheme (hwnd);
314 NMCUSTOMDRAW nmcd;
315
316 TRACE("DrawItem(iItem %d bHotTrack %d unicode flag %d)\n", iItem, bHotTrack, (infoPtr->nNotifyFormat == NFR_UNICODE));
317
318 if (!infoPtr->bRectsValid)
319 HEADER_SetItemBounds(hwnd);
320
321 r = phdi->rect;
322 if (r.right - r.left == 0)
323 return phdi->rect.right;
324
325 if (theme != NULL) {
326 int state = (phdi->bDown) ? HIS_PRESSED :
327 (bHotTrack ? HIS_HOT : HIS_NORMAL);
328 DrawThemeBackground (theme, hdc, HP_HEADERITEM, state,
329 &r, NULL);
330 GetThemeBackgroundContentRect (theme, hdc, HP_HEADERITEM, state,
331 &r, &r);
332 }
333 else {
334 if (GetWindowLongW (hwnd, GWL_STYLE) & HDS_BUTTONS) {
335 if (phdi->bDown) {
336 DrawEdge (hdc, &r, BDR_RAISEDOUTER,
337 BF_RECT | BF_FLAT | BF_MIDDLE | BF_ADJUST);
338 }
339 else
340 DrawEdge (hdc, &r, EDGE_RAISED,
341 BF_RECT | BF_SOFT | BF_MIDDLE | BF_ADJUST);
342 }
343 else
344 DrawEdge (hdc, &r, EDGE_ETCHED, BF_BOTTOM | BF_RIGHT | BF_ADJUST);
345 }
346 if (phdi->bDown) {
347 r.left += 2;
348 r.top += 2;
349 }
350
351 r.left -= cxEdge;
352 r.right += cxEdge;
353
354 /* Set the colors before sending NM_CUSTOMDRAW so that it can change them */
355 SetTextColor (hdc, (bHotTrack && !theme) ? COLOR_HIGHLIGHT : COLOR_BTNTEXT);
356 SetBkColor(hdc, GetSysColor(COLOR_3DFACE));
357
358 nmcd.hdr.hwndFrom = hwnd;
359 nmcd.hdr.idFrom = GetWindowLongPtrW (hwnd, GWLP_ID);
360 nmcd.hdr.code = NM_CUSTOMDRAW;
361 nmcd.dwDrawStage = CDDS_PREPAINT | CDDS_ITEM | CDDS_ITEMPOSTERASE;
362 nmcd.hdc = hdc;
363 nmcd.dwItemSpec = iItem;
364 nmcd.rc = r;
365 nmcd.uItemState = phdi->bDown ? CDIS_SELECTED : 0;
366 nmcd.lItemlParam = phdi->lParam;
367
368 SendMessageW (infoPtr->hwndNotify, WM_NOTIFY, nmcd.hdr.idFrom, (LPARAM)&nmcd);
369
370 if (phdi->fmt & HDF_OWNERDRAW) {
371 DRAWITEMSTRUCT dis;
372
373 dis.CtlType = ODT_HEADER;
374 dis.CtlID = GetWindowLongPtrW (hwnd, GWLP_ID);
375 dis.itemID = iItem;
376 dis.itemAction = ODA_DRAWENTIRE;
377 dis.itemState = phdi->bDown ? ODS_SELECTED : 0;
378 dis.hwndItem = hwnd;
379 dis.hDC = hdc;
380 dis.rcItem = r;
381 dis.itemData = phdi->lParam;
382 oldBkMode = SetBkMode(hdc, TRANSPARENT);
383 SendMessageW (infoPtr->hwndNotify, WM_DRAWITEM,
384 (WPARAM)dis.CtlID, (LPARAM)&dis);
385 if (oldBkMode != TRANSPARENT)
386 SetBkMode(hdc, oldBkMode);
387 }
388 else {
389 UINT rw, rh, /* width and height of r */
390 *x = NULL, *w = NULL; /* x and width of the pic (bmp or img) which is part of cnt */
391 /* cnt,txt,img,bmp */
392 UINT cx, tx, ix, bx,
393 cw, tw, iw, bw;
394 BITMAP bmp;
395
396 HEADER_PrepareCallbackItems(hwnd, iItem, HDI_TEXT|HDI_IMAGE);
397 cw = tw = iw = bw = 0;
398 rw = r.right - r.left;
399 rh = r.bottom - r.top;
400
401 if (theme == NULL) {
402 HBRUSH hbr = CreateSolidBrush(GetBkColor(hdc));
403 RECT rcBackground = r;
404
405 rcBackground.right -= cxEdge;
406 rcBackground.left += cxEdge;
407 FillRect(hdc, &rcBackground, hbr);
408 DeleteObject(hbr);
409 }
410 if (phdi->fmt & HDF_STRING) {
411 RECT textRect;
412
413 DrawTextW (hdc, phdi->pszText, -1,
414 &textRect, DT_LEFT|DT_VCENTER|DT_SINGLELINE|DT_CALCRECT);
415 cw = textRect.right - textRect.left + 2 * infoPtr->iMargin;
416 }
417
418 if ((phdi->fmt & HDF_IMAGE) && (infoPtr->himl)) {
419 iw = infoPtr->himl->cx + 2 * infoPtr->iMargin;
420 x = &ix;
421 w = &iw;
422 }
423
424 if ((phdi->fmt & HDF_BITMAP) && (phdi->hbm)) {
425 GetObjectW (phdi->hbm, sizeof(BITMAP), (LPVOID)&bmp);
426 bw = bmp.bmWidth + 2 * infoPtr->iMargin;
427 if (!iw) {
428 x = &bx;
429 w = &bw;
430 }
431 }
432
433 if (bw || iw)
434 cw += *w;
435
436 /* align cx using the unclipped cw */
437 if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_LEFT)
438 cx = r.left;
439 else if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_CENTER)
440 cx = r.left + rw / 2 - cw / 2;
441 else /* HDF_RIGHT */
442 cx = r.right - cw;
443
444 /* clip cx & cw */
445 if (cx < r.left)
446 cx = r.left;
447 if (cx + cw > r.right)
448 cw = r.right - cx;
449
450 tx = cx + infoPtr->iMargin;
451 /* since cw might have changed we have to recalculate tw */
452 tw = cw - infoPtr->iMargin * 2;
453
454 if (iw || bw) {
455 tw -= *w;
456 if (phdi->fmt & HDF_BITMAP_ON_RIGHT) {
457 /* put pic behind text */
458 *x = cx + tw + infoPtr->iMargin * 3;
459 } else {
460 *x = cx + infoPtr->iMargin;
461 /* move text behind pic */
462 tx += *w;
463 }
464 }
465
466 if (iw && bw) {
467 /* since we're done with the layout we can
468 now calculate the position of bmp which
469 has no influence on alignment and layout
470 because of img */
471 if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_RIGHT)
472 bx = cx - bw + infoPtr->iMargin;
473 else
474 bx = cx + cw + infoPtr->iMargin;
475 }
476
477 if (iw || bw) {
478 HDC hClipDC = GetDC(hwnd);
479 HRGN hClipRgn = CreateRectRgn(r.left, r.top, r.right, r.bottom);
480 SelectClipRgn(hClipDC, hClipRgn);
481
482 if (bw) {
483 HDC hdcBitmap = CreateCompatibleDC (hClipDC);
484 SelectObject (hdcBitmap, phdi->hbm);
485 BitBlt (hClipDC, bx, r.top + ((INT)rh - bmp.bmHeight) / 2,
486 bmp.bmWidth, bmp.bmHeight, hdcBitmap, 0, 0, SRCCOPY);
487 DeleteDC (hdcBitmap);
488 }
489
490 if (iw) {
491 ImageList_DrawEx (infoPtr->himl, phdi->iImage, hClipDC,
492 ix, r.top + ((INT)rh - infoPtr->himl->cy) / 2,
493 infoPtr->himl->cx, infoPtr->himl->cy, CLR_DEFAULT, CLR_DEFAULT, 0);
494 }
495
496 DeleteObject(hClipRgn);
497 ReleaseDC(hwnd, hClipDC);
498 }
499
500 if (((phdi->fmt & HDF_STRING)
501 || (!(phdi->fmt & (HDF_OWNERDRAW|HDF_STRING|HDF_BITMAP|
502 HDF_BITMAP_ON_RIGHT|HDF_IMAGE)))) /* no explicit format specified? */
503 && (phdi->pszText)) {
504 oldBkMode = SetBkMode(hdc, TRANSPARENT);
505 r.left = tx;
506 r.right = tx + tw;
507 DrawTextW (hdc, phdi->pszText, -1,
508 &r, DT_LEFT|DT_END_ELLIPSIS|DT_VCENTER|DT_SINGLELINE);
509 if (oldBkMode != TRANSPARENT)
510 SetBkMode(hdc, oldBkMode);
511 }
512 HEADER_FreeCallbackItems(phdi);
513 }/*Ownerdrawn*/
514
515 return phdi->rect.right;
516 }
517
518 static void
519 HEADER_DrawHotDivider(HWND hwnd, HDC hdc)
520 {
521 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
522 HBRUSH brush;
523 RECT r;
524
525 HEADER_GetHotDividerRect(hwnd, infoPtr, &r);
526 brush = CreateSolidBrush(GetSysColor(COLOR_HIGHLIGHT));
527 FillRect(hdc, &r, brush);
528 DeleteObject(brush);
529 }
530
531 static void
532 HEADER_Refresh (HWND hwnd, HDC hdc)
533 {
534 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
535 HFONT hFont, hOldFont;
536 RECT rect;
537 HBRUSH hbrBk;
538 UINT i;
539 INT x;
540 HTHEME theme = GetWindowTheme (hwnd);
541
542 /* get rect for the bar, adjusted for the border */
543 GetClientRect (hwnd, &rect);
544
545 if (infoPtr->bDragging)
546 ImageList_DragShowNolock(FALSE);
547
548 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT);
549 hOldFont = SelectObject (hdc, hFont);
550
551 /* draw Background */
552 if (infoPtr->uNumItem == 0 && theme == NULL) {
553 hbrBk = GetSysColorBrush(COLOR_3DFACE);
554 FillRect(hdc, &rect, hbrBk);
555 }
556
557 x = rect.left;
558 for (i = 0; x <= rect.right && i < infoPtr->uNumItem; i++) {
559 int idx = HEADER_OrderToIndex(hwnd,i);
560 if (RectVisible(hdc, &infoPtr->items[idx].rect))
561 HEADER_DrawItem (hwnd, hdc, idx, infoPtr->iHotItem == i);
562 x = infoPtr->items[idx].rect.right;
563 }
564
565 if ((x <= rect.right) && (infoPtr->uNumItem > 0)) {
566 rect.left = x;
567 if (theme != NULL) {
568 DrawThemeBackground (theme, hdc, HP_HEADERITEM, HIS_NORMAL, &rect,
569 NULL);
570 }
571 else {
572 if (GetWindowLongW (hwnd, GWL_STYLE) & HDS_BUTTONS)
573 DrawEdge (hdc, &rect, EDGE_RAISED, BF_TOP|BF_LEFT|BF_BOTTOM|BF_SOFT|BF_MIDDLE);
574 else
575 DrawEdge (hdc, &rect, EDGE_ETCHED, BF_BOTTOM|BF_MIDDLE);
576 }
577 }
578
579 if (infoPtr->iHotDivider != -1)
580 HEADER_DrawHotDivider(hwnd, hdc);
581
582 if (infoPtr->bDragging)
583 ImageList_DragShowNolock(TRUE);
584 SelectObject (hdc, hOldFont);
585 }
586
587
588 static void
589 HEADER_RefreshItem (HWND hwnd, HDC hdc, INT iItem)
590 {
591 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
592 HFONT hFont, hOldFont;
593
594 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT);
595 hOldFont = SelectObject (hdc, hFont);
596 HEADER_DrawItem (hwnd, hdc, iItem, infoPtr->iHotItem == iItem);
597 SelectObject (hdc, hOldFont);
598 }
599
600
601 static void
602 HEADER_InternalHitTest (HWND hwnd, LPPOINT lpPt, UINT *pFlags, INT *pItem)
603 {
604 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
605 RECT rect, rcTest;
606 UINT iCount;
607 INT width;
608 BOOL bNoWidth;
609
610 GetClientRect (hwnd, &rect);
611
612 *pFlags = 0;
613 bNoWidth = FALSE;
614 if (PtInRect (&rect, *lpPt))
615 {
616 if (infoPtr->uNumItem == 0) {
617 *pFlags |= HHT_NOWHERE;
618 *pItem = 1;
619 TRACE("NOWHERE\n");
620 return;
621 }
622 else {
623 /* somewhere inside */
624 for (iCount = 0; iCount < infoPtr->uNumItem; iCount++) {
625 rect = infoPtr->items[iCount].rect;
626 width = rect.right - rect.left;
627 if (width == 0) {
628 bNoWidth = TRUE;
629 continue;
630 }
631 if (PtInRect (&rect, *lpPt)) {
632 if (width <= 2 * DIVIDER_WIDTH) {
633 *pFlags |= HHT_ONHEADER;
634 *pItem = iCount;
635 TRACE("ON HEADER %d\n", iCount);
636 return;
637 }
638 if (HEADER_IndexToOrder(hwnd, iCount) > 0) {
639 rcTest = rect;
640 rcTest.right = rcTest.left + DIVIDER_WIDTH;
641 if (PtInRect (&rcTest, *lpPt)) {
642 if (bNoWidth) {
643 *pFlags |= HHT_ONDIVOPEN;
644 *pItem = HEADER_PrevItem(hwnd, iCount);
645 TRACE("ON DIVOPEN %d\n", *pItem);
646 return;
647 }
648 else {
649 *pFlags |= HHT_ONDIVIDER;
650 *pItem = HEADER_PrevItem(hwnd, iCount);
651 TRACE("ON DIVIDER %d\n", *pItem);
652 return;
653 }
654 }
655 }
656 rcTest = rect;
657 rcTest.left = rcTest.right - DIVIDER_WIDTH;
658 if (PtInRect (&rcTest, *lpPt)) {
659 *pFlags |= HHT_ONDIVIDER;
660 *pItem = iCount;
661 TRACE("ON DIVIDER %d\n", *pItem);
662 return;
663 }
664
665 *pFlags |= HHT_ONHEADER;
666 *pItem = iCount;
667 TRACE("ON HEADER %d\n", iCount);
668 return;
669 }
670 }
671
672 /* check for last divider part (on nowhere) */
673 rect = infoPtr->items[infoPtr->uNumItem-1].rect;
674 rect.left = rect.right;
675 rect.right += DIVIDER_WIDTH;
676 if (PtInRect (&rect, *lpPt)) {
677 if (bNoWidth) {
678 *pFlags |= HHT_ONDIVOPEN;
679 *pItem = infoPtr->uNumItem - 1;
680 TRACE("ON DIVOPEN %d\n", *pItem);
681 return;
682 }
683 else {
684 *pFlags |= HHT_ONDIVIDER;
685 *pItem = infoPtr->uNumItem-1;
686 TRACE("ON DIVIDER %d\n", *pItem);
687 return;
688 }
689 }
690
691 *pFlags |= HHT_NOWHERE;
692 *pItem = 1;
693 TRACE("NOWHERE\n");
694 return;
695 }
696 }
697 else {
698 if (lpPt->x < rect.left) {
699 TRACE("TO LEFT\n");
700 *pFlags |= HHT_TOLEFT;
701 }
702 else if (lpPt->x > rect.right) {
703 TRACE("TO RIGHT\n");
704 *pFlags |= HHT_TORIGHT;
705 }
706
707 if (lpPt->y < rect.top) {
708 TRACE("ABOVE\n");
709 *pFlags |= HHT_ABOVE;
710 }
711 else if (lpPt->y > rect.bottom) {
712 TRACE("BELOW\n");
713 *pFlags |= HHT_BELOW;
714 }
715 }
716
717 *pItem = 1;
718 TRACE("flags=0x%X\n", *pFlags);
719 return;
720 }
721
722
723 static void
724 HEADER_DrawTrackLine (HWND hwnd, HDC hdc, INT x)
725 {
726 RECT rect;
727 HPEN hOldPen;
728 INT oldRop;
729
730 GetClientRect (hwnd, &rect);
731
732 hOldPen = SelectObject (hdc, GetStockObject (BLACK_PEN));
733 oldRop = SetROP2 (hdc, R2_XORPEN);
734 MoveToEx (hdc, x, rect.top, NULL);
735 LineTo (hdc, x, rect.bottom);
736 SetROP2 (hdc, oldRop);
737 SelectObject (hdc, hOldPen);
738 }
739
740 /***
741 * DESCRIPTION:
742 * Convert a HDITEM into the correct format (ANSI/Unicode) to send it in a notify
743 *
744 * PARAMETER(S):
745 * [I] infoPtr : the header that wants to send the notify
746 * [O] dest : The buffer to store the HDITEM for notify. It may be set to a HDITEMA of HDITEMW
747 * [I] src : The source HDITEM. It may be a HDITEMA or HDITEMW
748 * [I] fSourceUnicode : is src a HDITEMW or HDITEMA
749 * [O] ppvScratch : a pointer to a scratch buffer that needs to be freed after
750 * the HDITEM is no longer in use or NULL if none was needed
751 *
752 * NOTE: We depend on HDITEMA and HDITEMW having the same structure
753 */
754 static void HEADER_CopyHDItemForNotify(HEADER_INFO *infoPtr, HDITEMW *dest,
755 HDITEMW *src, BOOL fSourceUnicode, LPVOID *ppvScratch)
756 {
757 *ppvScratch = NULL;
758 *dest = *src;
759
760 if (src->mask & HDI_TEXT && src->pszText != LPSTR_TEXTCALLBACKW) /* covers TEXTCALLBACKA as well */
761 {
762 if (fSourceUnicode && infoPtr->nNotifyFormat != NFR_UNICODE)
763 {
764 dest->pszText = NULL;
765 Str_SetPtrWtoA((LPSTR *)&dest->pszText, src->pszText);
766 *ppvScratch = dest->pszText;
767 }
768
769 if (!fSourceUnicode && infoPtr->nNotifyFormat == NFR_UNICODE)
770 {
771 dest->pszText = NULL;
772 Str_SetPtrAtoW(&dest->pszText, (LPSTR)src->pszText);
773 *ppvScratch = dest->pszText;
774 }
775 }
776 }
777
778 static UINT HEADER_NotifyCodeWtoA(UINT code)
779 {
780 /* we use the fact that all the unicode messages are in HDN_FIRST_UNICODE..HDN_LAST*/
781 if (code >= HDN_LAST && code <= HDN_FIRST_UNICODE)
782 return code + HDN_UNICODE_OFFSET;
783 else
784 return code;
785 }
786
787 static BOOL
788 HEADER_SendSimpleNotify (HWND hwnd, UINT code)
789 {
790 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
791 NMHDR nmhdr;
792
793 nmhdr.hwndFrom = hwnd;
794 nmhdr.idFrom = GetWindowLongPtrW (hwnd, GWLP_ID);
795 nmhdr.code = code;
796
797 return (BOOL)SendMessageW (infoPtr->hwndNotify, WM_NOTIFY,
798 (WPARAM)nmhdr.idFrom, (LPARAM)&nmhdr);
799 }
800
801 static BOOL
802 HEADER_SendHeaderNotifyT (HWND hwnd, UINT code, INT iItem, INT mask, HDITEMW *lpItem)
803 {
804 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
805 NMHEADERW nmhdr;
806 HDITEMW nmitem;
807
808 if (lpItem == NULL)
809 {
810 /* lpItem == NULL means that we should take the actual data from the item */
811 if (mask & HDI_TEXT)
812 {
813 FIXME("(): invalid parameters - lpItem == NULL and (mask & HDI_TEXT)\n");
814 mask &= ~HDI_TEXT;
815 }
816 nmitem.mask = mask;
817 nmitem.cxy = infoPtr->items[iItem].cxy;
818 nmitem.hbm = infoPtr->items[iItem].hbm;
819 nmitem.pszText = NULL;
820 nmitem.cchTextMax = 0;
821 nmitem.fmt = infoPtr->items[iItem].fmt;
822 nmitem.lParam = infoPtr->items[iItem].lParam;
823 nmitem.iOrder = infoPtr->items[iItem].iOrder;
824 nmitem.iImage = infoPtr->items[iItem].iImage;
825 lpItem = &nmitem;
826 }
827
828 nmhdr.hdr.hwndFrom = hwnd;
829 nmhdr.hdr.idFrom = GetWindowLongPtrW (hwnd, GWLP_ID);
830 nmhdr.hdr.code = (infoPtr->nNotifyFormat == NFR_UNICODE ? code : HEADER_NotifyCodeWtoA(code));
831 nmhdr.iItem = iItem;
832 nmhdr.iButton = 0;
833 nmhdr.pitem = lpItem;
834
835 return (BOOL)SendMessageW (infoPtr->hwndNotify, WM_NOTIFY,
836 (WPARAM)nmhdr.hdr.idFrom, (LPARAM)&nmhdr);
837 }
838
839 /**
840 * Prepare callback items
841 * depends on NMHDDISPINFOW having same structure as NMHDDISPINFOA
842 * (so we handle the two cases only doing a specific cast for pszText).
843 * Checks if any of the required field are callback. If there are sends a
844 * NMHDISPINFO notify to retrieve these items. The items are stored in the
845 * HEADER_ITEM pszText and iImage fields. They should be freed with
846 * HEADER_FreeCallbackItems.
847 *
848 * @param hwnd : hwnd header container handler
849 * @param iItem : the header item id
850 * @param reqMask : required fields. If any of them is callback this function will fetch it
851 *
852 * @return TRUE on success, else FALSE
853 */
854 static BOOL
855 HEADER_PrepareCallbackItems(HWND hwnd, INT iItem, INT reqMask)
856 {
857 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
858 HEADER_ITEM *lpItem = &infoPtr->items[iItem];
859 DWORD mask = reqMask & lpItem->callbackMask;
860 NMHDDISPINFOW dispInfo;
861 void *pvBuffer = NULL;
862
863 if (mask == 0)
864 return TRUE;
865 if (mask&HDI_TEXT && lpItem->pszText != NULL)
866 {
867 ERR("(): function called without a call to FreeCallbackItems\n");
868 Free(lpItem->pszText);
869 lpItem->pszText = NULL;
870 }
871
872 memset(&dispInfo, 0, sizeof(NMHDDISPINFOW));
873 dispInfo.hdr.hwndFrom = hwnd;
874 dispInfo.hdr.idFrom = GetWindowLongPtrW (hwnd, GWLP_ID);
875 if (infoPtr->nNotifyFormat == NFR_UNICODE)
876 {
877 dispInfo.hdr.code = HDN_GETDISPINFOW;
878 if (mask & HDI_TEXT)
879 pvBuffer = Alloc(MAX_HEADER_TEXT_LEN * sizeof(WCHAR));
880 }
881 else
882 {
883 dispInfo.hdr.code = HDN_GETDISPINFOA;
884 if (mask & HDI_TEXT)
885 pvBuffer = Alloc(MAX_HEADER_TEXT_LEN * sizeof(CHAR));
886 }
887 dispInfo.pszText = (LPWSTR)pvBuffer;
888 dispInfo.cchTextMax = (pvBuffer!=NULL?MAX_HEADER_TEXT_LEN:0);
889 dispInfo.iItem = iItem;
890 dispInfo.mask = mask;
891 dispInfo.lParam = lpItem->lParam;
892
893 TRACE("Sending HDN_GETDISPINFO%c\n", infoPtr->nNotifyFormat == NFR_UNICODE?'W':'A');
894 SendMessageW(infoPtr->hwndNotify, WM_NOTIFY,
895 (WPARAM) dispInfo.hdr.idFrom,
896 (LPARAM) &dispInfo);
897
898 TRACE("SendMessage returns(mask:0x%x,str:%s,lParam:%p)\n",
899 dispInfo.mask,
900 (infoPtr->nNotifyFormat == NFR_UNICODE ? debugstr_w(dispInfo.pszText) : (LPSTR) dispInfo.pszText),
901 (void*) dispInfo.lParam);
902
903 if (mask & HDI_IMAGE)
904 lpItem->iImage = dispInfo.iImage;
905 if (mask & HDI_TEXT)
906 {
907 if (infoPtr->nNotifyFormat == NFR_UNICODE)
908 {
909 lpItem->pszText = (LPWSTR)pvBuffer;
910
911 /* the user might have used his own buffer */
912 if (dispInfo.pszText != lpItem->pszText)
913 Str_GetPtrW(dispInfo.pszText, lpItem->pszText, MAX_HEADER_TEXT_LEN);
914 }
915 else
916 {
917 Str_SetPtrAtoW(&lpItem->pszText, (LPSTR)dispInfo.pszText);
918 Free(pvBuffer);
919 }
920 }
921
922 if (dispInfo.mask & HDI_DI_SETITEM)
923 {
924 /* make the items permanent */
925 lpItem->callbackMask &= ~dispInfo.mask;
926 }
927
928 return TRUE;
929 }
930
931 /***
932 * DESCRIPTION:
933 * Free the items that might be allocated with HEADER_PrepareCallbackItems
934 *
935 * PARAMETER(S):
936 * [I] lpItem : the item to free the data
937 *
938 */
939 static void
940 HEADER_FreeCallbackItems(HEADER_ITEM *lpItem)
941 {
942 if (lpItem->callbackMask&HDI_TEXT && lpItem->pszText != NULL)
943 {
944 Free(lpItem->pszText);
945 lpItem->pszText = NULL;
946 }
947
948 if (lpItem->callbackMask&HDI_IMAGE)
949 lpItem->iImage = I_IMAGECALLBACK;
950 }
951
952 static BOOL
953 HEADER_SendClickNotify (HWND hwnd, UINT code, INT iItem)
954 {
955 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
956 NMHEADERA nmhdr;
957
958 nmhdr.hdr.hwndFrom = hwnd;
959 nmhdr.hdr.idFrom = GetWindowLongPtrW (hwnd, GWLP_ID);
960 nmhdr.hdr.code = code;
961 nmhdr.iItem = iItem;
962 nmhdr.iButton = 0;
963 nmhdr.pitem = NULL;
964
965 return (BOOL)SendMessageA (infoPtr->hwndNotify, WM_NOTIFY,
966 (WPARAM)nmhdr.hdr.idFrom, (LPARAM)&nmhdr);
967 }
968
969 static LRESULT
970 HEADER_CreateDragImage (HWND hwnd, WPARAM wParam)
971 {
972 HEADER_INFO *infoPtr = HEADER_GetInfoPtr(hwnd);
973 HEADER_ITEM *lpItem;
974 HIMAGELIST himl;
975 HBITMAP hMemory, hOldBitmap;
976 HDC hMemoryDC;
977 HDC hDeviceDC;
978 int height, width;
979
980 if (wParam < 0 || wParam >= infoPtr->uNumItem)
981 return FALSE;
982 lpItem = &infoPtr->items[wParam];
983 width = lpItem->rect.right - lpItem->rect.left;
984 height = lpItem->rect.bottom - lpItem->rect.top;
985
986 hDeviceDC = GetDC(NULL);
987 hMemoryDC = CreateCompatibleDC(hDeviceDC);
988 hMemory = CreateCompatibleBitmap(hDeviceDC, width, height);
989 ReleaseDC(NULL, hDeviceDC);
990 hOldBitmap = SelectObject(hMemoryDC, hMemory);
991 SetViewportOrgEx(hMemoryDC, -lpItem->rect.left, -lpItem->rect.top, NULL);
992 HEADER_DrawItem(hwnd, hMemoryDC, wParam, FALSE);
993 hMemory = SelectObject(hMemoryDC, hOldBitmap);
994 DeleteDC(hMemoryDC);
995
996 if (hMemory == NULL) /* if anything failed */
997 return FALSE;
998
999 himl = ImageList_Create(width, height, ILC_COLORDDB, 1, 1);
1000 ImageList_Add(himl, hMemory, NULL);
1001 DeleteObject(hMemory);
1002 return (LRESULT)himl;
1003 }
1004
1005 static LRESULT
1006 HEADER_SetHotDivider(HWND hwnd, WPARAM wParam, LPARAM lParam)
1007 {
1008 HEADER_INFO *infoPtr = HEADER_GetInfoPtr(hwnd);
1009 INT iDivider;
1010 RECT r;
1011
1012 if (wParam)
1013 {
1014 POINT pt;
1015 UINT flags;
1016 pt.x = (INT)(SHORT)LOWORD(lParam);
1017 pt.y = 0;
1018 HEADER_InternalHitTest (hwnd, &pt, &flags, &iDivider);
1019
1020 if (flags & HHT_TOLEFT)
1021 iDivider = 0;
1022 else if (flags & HHT_NOWHERE || flags & HHT_TORIGHT)
1023 iDivider = infoPtr->uNumItem;
1024 else
1025 {
1026 HEADER_ITEM *lpItem = &infoPtr->items[iDivider];
1027 if (pt.x > (lpItem->rect.left+lpItem->rect.right)/2)
1028 iDivider = HEADER_NextItem(hwnd, iDivider);
1029 }
1030 }
1031 else
1032 iDivider = (INT)lParam;
1033
1034 /* Note; wParam==FALSE, lParam==-1 is valid and is used to clear the hot divider */
1035 if (iDivider<-1 || iDivider>(int)infoPtr->uNumItem)
1036 return iDivider;
1037
1038 if (iDivider != infoPtr->iHotDivider)
1039 {
1040 if (infoPtr->iHotDivider != -1)
1041 {
1042 HEADER_GetHotDividerRect(hwnd, infoPtr, &r);
1043 InvalidateRect(hwnd, &r, FALSE);
1044 }
1045 infoPtr->iHotDivider = iDivider;
1046 if (iDivider != -1)
1047 {
1048 HEADER_GetHotDividerRect(hwnd, infoPtr, &r);
1049 InvalidateRect(hwnd, &r, FALSE);
1050 }
1051 }
1052 return iDivider;
1053 }
1054
1055 static LRESULT
1056 HEADER_DeleteItem (HWND hwnd, WPARAM wParam)
1057 {
1058 HEADER_INFO *infoPtr = HEADER_GetInfoPtr(hwnd);
1059 INT iItem = (INT)wParam;
1060
1061 TRACE("[iItem=%d]\n", iItem);
1062
1063 if ((iItem < 0) || (iItem >= (INT)infoPtr->uNumItem))
1064 return FALSE;
1065
1066 if (infoPtr->uNumItem == 1) {
1067 TRACE("Simple delete!\n");
1068 HEADER_DisposeItem(&infoPtr->items[0]);
1069 Free (infoPtr->items);
1070 Free(infoPtr->order);
1071 infoPtr->items = 0;
1072 infoPtr->order = 0;
1073 infoPtr->uNumItem = 0;
1074 }
1075 else {
1076 HEADER_ITEM *oldItems = infoPtr->items;
1077 INT i;
1078 INT iOrder;
1079 TRACE("Complex delete! [iItem=%d]\n", iItem);
1080
1081 for (i = 0; i < infoPtr->uNumItem; i++)
1082 TRACE("%d: order=%d, iOrder=%d, ->iOrder=%d\n", i, infoPtr->order[i], infoPtr->items[i].iOrder, infoPtr->items[infoPtr->order[i]].iOrder);
1083 HEADER_DisposeItem(&infoPtr->items[iItem]);
1084 iOrder = infoPtr->items[iItem].iOrder;
1085
1086 infoPtr->uNumItem--;
1087 infoPtr->items = Alloc (sizeof (HEADER_ITEM) * infoPtr->uNumItem);
1088 /* pre delete copy */
1089 if (iItem > 0) {
1090 memcpy (&infoPtr->items[0], &oldItems[0],
1091 iItem * sizeof(HEADER_ITEM));
1092 }
1093
1094 /* post delete copy */
1095 if (iItem < infoPtr->uNumItem) {
1096 memcpy (&infoPtr->items[iItem], &oldItems[iItem+1],
1097 (infoPtr->uNumItem - iItem) * sizeof(HEADER_ITEM));
1098 }
1099
1100 /* Correct the orders */
1101 if (iOrder < infoPtr->uNumItem)
1102 {
1103 memmove(&infoPtr->order[iOrder], &infoPtr->order[iOrder + 1],
1104 (infoPtr->uNumItem - iOrder) * sizeof(INT));
1105 for (i = 0; i < infoPtr->uNumItem; i++)
1106 {
1107 if (infoPtr->order[i] > iItem)
1108 infoPtr->order[i]--;
1109 if (i >= iOrder)
1110 infoPtr->items[infoPtr->order[i]].iOrder = infoPtr->order[i];
1111 }
1112 }
1113
1114 for (i = 0; i < infoPtr->uNumItem; i++)
1115 TRACE("%d: order=%d, iOrder=%d, ->iOrder=%d\n", i, infoPtr->order[i], infoPtr->items[i].iOrder, infoPtr->items[infoPtr->order[i]].iOrder);
1116 Free (oldItems);
1117 }
1118
1119 HEADER_SetItemBounds (hwnd);
1120
1121 InvalidateRect(hwnd, NULL, FALSE);
1122
1123 return TRUE;
1124 }
1125
1126
1127 static LRESULT
1128 HEADER_GetImageList (HWND hwnd)
1129 {
1130 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1131
1132 return (LRESULT)infoPtr->himl;
1133 }
1134
1135
1136 static LRESULT
1137 HEADER_GetItemT (HWND hwnd, INT nItem, LPHDITEMW phdi, BOOL bUnicode)
1138 {
1139 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1140 HEADER_ITEM *lpItem;
1141 UINT mask = phdi->mask;
1142
1143 if (!phdi)
1144 return FALSE;
1145
1146 TRACE("[nItem=%d]\n", nItem);
1147
1148 if (mask == 0)
1149 return TRUE;
1150 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
1151 return FALSE;
1152
1153 if (mask & HDI_UNKNOWN_FIELDS)
1154 {
1155 TRACE("mask %x contains unknown fields. Using only comctl32 4.0 fields\n", mask);
1156 mask &= HDI_COMCTL32_4_0_FIELDS;
1157 }
1158
1159 lpItem = &infoPtr->items[nItem];
1160 HEADER_PrepareCallbackItems(hwnd, nItem, mask);
1161
1162 if (mask & HDI_BITMAP)
1163 phdi->hbm = lpItem->hbm;
1164
1165 if (mask & HDI_FORMAT)
1166 phdi->fmt = lpItem->fmt;
1167
1168 if (mask & HDI_WIDTH)
1169 phdi->cxy = lpItem->cxy;
1170
1171 if (mask & HDI_LPARAM)
1172 phdi->lParam = lpItem->lParam;
1173
1174 if (mask & HDI_IMAGE)
1175 phdi->iImage = lpItem->iImage;
1176
1177 if (mask & HDI_ORDER)
1178 phdi->iOrder = lpItem->iOrder;
1179
1180 if (mask & HDI_TEXT)
1181 {
1182 if (bUnicode)
1183 Str_GetPtrW (lpItem->pszText, phdi->pszText, phdi->cchTextMax);
1184 else
1185 Str_GetPtrWtoA (lpItem->pszText, (LPSTR)phdi->pszText, phdi->cchTextMax);
1186 }
1187
1188 HEADER_FreeCallbackItems(lpItem);
1189 return TRUE;
1190 }
1191
1192
1193 inline static LRESULT
1194 HEADER_GetItemCount (HWND hwnd)
1195 {
1196 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1197 return infoPtr->uNumItem;
1198 }
1199
1200
1201 static LRESULT
1202 HEADER_GetItemRect (HWND hwnd, WPARAM wParam, LPARAM lParam)
1203 {
1204 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1205 INT iItem = (INT)wParam;
1206 LPRECT lpRect = (LPRECT)lParam;
1207
1208 if ((iItem < 0) || (iItem >= (INT)infoPtr->uNumItem))
1209 return FALSE;
1210
1211 lpRect->left = infoPtr->items[iItem].rect.left;
1212 lpRect->right = infoPtr->items[iItem].rect.right;
1213 lpRect->top = infoPtr->items[iItem].rect.top;
1214 lpRect->bottom = infoPtr->items[iItem].rect.bottom;
1215
1216 return TRUE;
1217 }
1218
1219
1220 static LRESULT
1221 HEADER_GetOrderArray(HWND hwnd, WPARAM wParam, LPARAM lParam)
1222 {
1223 LPINT order = (LPINT) lParam;
1224 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1225
1226 if ((unsigned int)wParam <infoPtr->uNumItem)
1227 return FALSE;
1228
1229 memcpy(order, infoPtr->order, infoPtr->uNumItem * sizeof(INT));
1230 return TRUE;
1231 }
1232
1233 static LRESULT
1234 HEADER_SetOrderArray(HWND hwnd, WPARAM wParam, LPARAM lParam)
1235 {
1236 int i;
1237 LPINT order = (LPINT) lParam;
1238 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1239 HEADER_ITEM *lpItem;
1240
1241 if ((unsigned int)wParam <infoPtr->uNumItem)
1242 return FALSE;
1243 memcpy(infoPtr->order, order, infoPtr->uNumItem * sizeof(INT));
1244 for (i=0; i<(int)wParam; i++)
1245 {
1246 lpItem = &infoPtr->items[*order++];
1247 lpItem->iOrder=i;
1248 }
1249 infoPtr->bRectsValid=0;
1250 InvalidateRect(hwnd, NULL, FALSE);
1251 return TRUE;
1252 }
1253
1254 inline static LRESULT
1255 HEADER_GetUnicodeFormat (HWND hwnd)
1256 {
1257 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1258 return (infoPtr->nNotifyFormat == NFR_UNICODE);
1259 }
1260
1261
1262 static LRESULT
1263 HEADER_HitTest (HWND hwnd, WPARAM wParam, LPARAM lParam)
1264 {
1265 LPHDHITTESTINFO phti = (LPHDHITTESTINFO)lParam;
1266
1267 HEADER_InternalHitTest (hwnd, &phti->pt, &phti->flags, &phti->iItem);
1268
1269 if (phti->flags == HHT_NOWHERE)
1270 return -1;
1271 else
1272 return phti->iItem;
1273 }
1274
1275
1276 static LRESULT
1277 HEADER_InsertItemT (HWND hwnd, INT nItem, LPHDITEMW phdi, BOOL bUnicode)
1278 {
1279 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1280 HEADER_ITEM *lpItem;
1281 INT iOrder;
1282 UINT i;
1283 UINT copyMask;
1284
1285 if ((phdi == NULL) || (nItem < 0) || (phdi->mask == 0))
1286 return -1;
1287
1288 if (nItem > infoPtr->uNumItem)
1289 nItem = infoPtr->uNumItem;
1290
1291 iOrder = (phdi->mask & HDI_ORDER) ? phdi->iOrder : nItem;
1292 if (iOrder < 0)
1293 iOrder = 0;
1294 else if (infoPtr->uNumItem < iOrder)
1295 iOrder = infoPtr->uNumItem;
1296
1297 if (infoPtr->uNumItem == 0) {
1298 infoPtr->items = Alloc (sizeof (HEADER_ITEM));
1299 infoPtr->order = Alloc(sizeof(INT));
1300 infoPtr->uNumItem++;
1301 }
1302 else {
1303 HEADER_ITEM *oldItems = infoPtr->items;
1304 INT *oldOrder = infoPtr->order;
1305
1306 infoPtr->uNumItem++;
1307 infoPtr->items = Alloc (sizeof (HEADER_ITEM) * infoPtr->uNumItem);
1308 if (nItem == 0) {
1309 memcpy (&infoPtr->items[1], &oldItems[0],
1310 (infoPtr->uNumItem-1) * sizeof(HEADER_ITEM));
1311 }
1312 else
1313 {
1314 /* pre insert copy */
1315 if (nItem > 0) {
1316 memcpy (&infoPtr->items[0], &oldItems[0],
1317 nItem * sizeof(HEADER_ITEM));
1318 }
1319
1320 /* post insert copy */
1321 if (nItem < infoPtr->uNumItem - 1) {
1322 memcpy (&infoPtr->items[nItem+1], &oldItems[nItem],
1323 (infoPtr->uNumItem - nItem - 1) * sizeof(HEADER_ITEM));
1324 }
1325 }
1326
1327 infoPtr->order = Alloc(sizeof(INT) * infoPtr->uNumItem);
1328 memcpy(infoPtr->order, oldOrder, iOrder * sizeof(INT));
1329 infoPtr->order[iOrder] = nItem;
1330 memcpy(&infoPtr->order[iOrder + 1], &oldOrder[iOrder],
1331 (infoPtr->uNumItem - iOrder - 1) * sizeof(INT));
1332
1333 Free (oldItems);
1334 Free(oldOrder);
1335 }
1336
1337 for (i = 0; i < infoPtr->uNumItem; i++)
1338 {
1339 if (i != iOrder && infoPtr->order[i] >= nItem)
1340 infoPtr->order[i]++;
1341 infoPtr->items[infoPtr->order[i]].iOrder = infoPtr->order[i];
1342 }
1343
1344 lpItem = &infoPtr->items[nItem];
1345 ZeroMemory(lpItem, sizeof(HEADER_ITEM));
1346 /* cxy, fmt and lParam are copied even if not in the HDITEM mask */
1347 copyMask = phdi->mask | HDI_WIDTH | HDI_FORMAT | HDI_LPARAM;
1348 HEADER_StoreHDItemInHeader(lpItem, copyMask, phdi, bUnicode);
1349
1350 /* set automatically some format bits */
1351 if (phdi->mask & HDI_TEXT)
1352 lpItem->fmt |= HDF_STRING;
1353 else
1354 lpItem->fmt &= ~HDF_STRING;
1355
1356 if (lpItem->hbm != NULL)
1357 lpItem->fmt |= HDF_BITMAP;
1358 else
1359 lpItem->fmt &= ~HDF_BITMAP;
1360
1361 if (phdi->mask & HDI_IMAGE)
1362 lpItem->fmt |= HDF_IMAGE;
1363
1364 lpItem->iOrder = iOrder;
1365
1366 HEADER_SetItemBounds (hwnd);
1367
1368 InvalidateRect(hwnd, NULL, FALSE);
1369
1370 return nItem;
1371 }
1372
1373
1374 static LRESULT
1375 HEADER_Layout (HWND hwnd, WPARAM wParam, LPARAM lParam)
1376 {
1377 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1378 LPHDLAYOUT lpLayout = (LPHDLAYOUT)lParam;
1379
1380 lpLayout->pwpos->hwnd = hwnd;
1381 lpLayout->pwpos->hwndInsertAfter = 0;
1382 lpLayout->pwpos->x = lpLayout->prc->left;
1383 lpLayout->pwpos->y = lpLayout->prc->top;
1384 lpLayout->pwpos->cx = lpLayout->prc->right - lpLayout->prc->left;
1385 if (GetWindowLongW (hwnd, GWL_STYLE) & HDS_HIDDEN)
1386 lpLayout->pwpos->cy = 0;
1387 else {
1388 lpLayout->pwpos->cy = infoPtr->nHeight;
1389 lpLayout->prc->top += infoPtr->nHeight;
1390 }
1391 lpLayout->pwpos->flags = SWP_NOZORDER;
1392
1393 TRACE("Layout x=%d y=%d cx=%d cy=%d\n",
1394 lpLayout->pwpos->x, lpLayout->pwpos->y,
1395 lpLayout->pwpos->cx, lpLayout->pwpos->cy);
1396
1397 infoPtr->bRectsValid = FALSE;
1398
1399 return TRUE;
1400 }
1401
1402
1403 static LRESULT
1404 HEADER_SetImageList (HWND hwnd, HIMAGELIST himl)
1405 {
1406 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1407 HIMAGELIST himlOld;
1408
1409 TRACE("(himl %p)\n", himl);
1410 himlOld = infoPtr->himl;
1411 infoPtr->himl = himl;
1412
1413 /* FIXME: Refresh needed??? */
1414
1415 return (LRESULT)himlOld;
1416 }
1417
1418
1419 static LRESULT
1420 HEADER_GetBitmapMargin(HWND hwnd)
1421 {
1422 HEADER_INFO *infoPtr = HEADER_GetInfoPtr(hwnd);
1423
1424 return infoPtr->iMargin;
1425 }
1426
1427 static LRESULT
1428 HEADER_SetBitmapMargin(HWND hwnd, WPARAM wParam)
1429 {
1430 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1431 INT oldMargin = infoPtr->iMargin;
1432
1433 infoPtr->iMargin = (INT)wParam;
1434
1435 return oldMargin;
1436 }
1437
1438 static LRESULT
1439 HEADER_SetItemT (HWND hwnd, INT nItem, LPHDITEMW phdi, BOOL bUnicode)
1440 {
1441 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1442 HEADER_ITEM *lpItem;
1443 HDITEMW hdNotify;
1444 void *pvScratch;
1445
1446 if (phdi == NULL)
1447 return FALSE;
1448 if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
1449 return FALSE;
1450
1451 TRACE("[nItem=%d]\n", nItem);
1452
1453 HEADER_CopyHDItemForNotify(infoPtr, &hdNotify, phdi, bUnicode, &pvScratch);
1454 if (HEADER_SendHeaderNotifyT (hwnd, HDN_ITEMCHANGINGW, nItem, phdi->mask, &hdNotify))
1455 {
1456 if (pvScratch) Free(pvScratch);
1457 return FALSE;
1458 }
1459
1460 lpItem = &infoPtr->items[nItem];
1461 HEADER_StoreHDItemInHeader(lpItem, phdi->mask, phdi, bUnicode);
1462
1463 /* FIXME: check it order is not out of bound */
1464 if (phdi->mask & HDI_ORDER)
1465 HEADER_ChangeItemOrder(infoPtr, nItem, phdi->iOrder);
1466
1467 HEADER_SendHeaderNotifyT (hwnd, HDN_ITEMCHANGEDW, nItem, phdi->mask, &hdNotify);
1468
1469 HEADER_SetItemBounds (hwnd);
1470
1471 InvalidateRect(hwnd, NULL, FALSE);
1472
1473 if (pvScratch != NULL)
1474 Free(pvScratch);
1475 return TRUE;
1476 }
1477
1478 inline static LRESULT
1479 HEADER_SetUnicodeFormat (HWND hwnd, WPARAM wParam)
1480 {
1481 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1482 BOOL bTemp = (infoPtr->nNotifyFormat == NFR_UNICODE);
1483
1484 infoPtr->nNotifyFormat = ((BOOL)wParam ? NFR_UNICODE : NFR_ANSI);
1485
1486 return bTemp;
1487 }
1488
1489
1490 static LRESULT
1491 HEADER_Create (HWND hwnd, WPARAM wParam, LPARAM lParam)
1492 {
1493 HEADER_INFO *infoPtr;
1494 TEXTMETRICW tm;
1495 HFONT hOldFont;
1496 HDC hdc;
1497
1498 infoPtr = (HEADER_INFO *)Alloc (sizeof(HEADER_INFO));
1499 SetWindowLongPtrW (hwnd, 0, (DWORD_PTR)infoPtr);
1500
1501 infoPtr->hwndNotify = ((LPCREATESTRUCTA)lParam)->hwndParent;
1502 infoPtr->uNumItem = 0;
1503 infoPtr->hFont = 0;
1504 infoPtr->items = 0;
1505 infoPtr->order = 0;
1506 infoPtr->bRectsValid = FALSE;
1507 infoPtr->hcurArrow = LoadCursorW (0, (LPWSTR)IDC_ARROW);
1508 infoPtr->hcurDivider = LoadCursorW (COMCTL32_hModule, MAKEINTRESOURCEW(IDC_DIVIDER));
1509 infoPtr->hcurDivopen = LoadCursorW (COMCTL32_hModule, MAKEINTRESOURCEW(IDC_DIVIDEROPEN));
1510 infoPtr->bPressed = FALSE;
1511 infoPtr->bTracking = FALSE;
1512 infoPtr->iMoveItem = 0;
1513 infoPtr->himl = 0;
1514 infoPtr->iHotItem = -1;
1515 infoPtr->iHotDivider = -1;
1516 infoPtr->iMargin = 3*GetSystemMetrics(SM_CXEDGE);
1517 infoPtr->nNotifyFormat =
1518 SendMessageW (infoPtr->hwndNotify, WM_NOTIFYFORMAT, (WPARAM)hwnd, NF_QUERY);
1519
1520 hdc = GetDC (0);
1521 hOldFont = SelectObject (hdc, GetStockObject (SYSTEM_FONT));
1522 GetTextMetricsW (hdc, &tm);
1523 infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
1524 SelectObject (hdc, hOldFont);
1525 ReleaseDC (0, hdc);
1526
1527 OpenThemeData(hwnd, themeClass);
1528
1529 return 0;
1530 }
1531
1532
1533 static LRESULT
1534 HEADER_Destroy (HWND hwnd, WPARAM wParam, LPARAM lParam)
1535 {
1536 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1537 HEADER_ITEM *lpItem;
1538 INT nItem;
1539 HTHEME theme;
1540
1541 if (infoPtr->items) {
1542 lpItem = infoPtr->items;
1543 for (nItem = 0; nItem < infoPtr->uNumItem; nItem++, lpItem++) {
1544 HEADER_DisposeItem(lpItem);
1545 }
1546 Free (infoPtr->items);
1547 }
1548
1549 if (infoPtr->order)
1550 Free(infoPtr->order);
1551
1552 if (infoPtr->himl)
1553 ImageList_Destroy (infoPtr->himl);
1554
1555 SetWindowLongPtrW (hwnd, 0, 0);
1556 Free (infoPtr);
1557
1558 theme = GetWindowTheme(hwnd);
1559 CloseThemeData(theme);
1560 return 0;
1561 }
1562
1563
1564 static inline LRESULT
1565 HEADER_GetFont (HWND hwnd)
1566 {
1567 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1568
1569 return (LRESULT)infoPtr->hFont;
1570 }
1571
1572
1573 static BOOL
1574 HEADER_IsDragDistance(HEADER_INFO *infoPtr, POINT *pt)
1575 {
1576 /* Windows allows for a mouse movement before starting the drag. We use the
1577 * SM_CXDOUBLECLICK/SM_CYDOUBLECLICK as that distance.
1578 */
1579 return (abs(infoPtr->ptLButtonDown.x - pt->x)>GetSystemMetrics(SM_CXDOUBLECLK) ||
1580 abs(infoPtr->ptLButtonDown.y - pt->y)>GetSystemMetrics(SM_CYDOUBLECLK));
1581 }
1582
1583 static LRESULT
1584 HEADER_LButtonDblClk (HWND hwnd, WPARAM wParam, LPARAM lParam)
1585 {
1586 POINT pt;
1587 UINT flags;
1588 INT nItem;
1589
1590 pt.x = (INT)LOWORD(lParam);
1591 pt.y = (INT)HIWORD(lParam);
1592 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1593
1594 if ((GetWindowLongW (hwnd, GWL_STYLE) & HDS_BUTTONS) && (flags == HHT_ONHEADER))
1595 HEADER_SendHeaderNotifyT (hwnd, HDN_ITEMDBLCLICKW, nItem, 0, NULL);
1596 else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN))
1597 HEADER_SendHeaderNotifyT (hwnd, HDN_DIVIDERDBLCLICKW, nItem, 0, NULL);
1598
1599 return 0;
1600 }
1601
1602
1603 static LRESULT
1604 HEADER_LButtonDown (HWND hwnd, WPARAM wParam, LPARAM lParam)
1605 {
1606 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1607 DWORD dwStyle = GetWindowLongW (hwnd, GWL_STYLE);
1608 POINT pt;
1609 UINT flags;
1610 INT nItem;
1611 HDC hdc;
1612
1613 pt.x = (INT)LOWORD(lParam);
1614 pt.y = (INT)HIWORD(lParam);
1615 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1616
1617 if ((dwStyle & HDS_BUTTONS) && (flags == HHT_ONHEADER)) {
1618 SetCapture (hwnd);
1619 infoPtr->bCaptured = TRUE;
1620 infoPtr->bPressed = TRUE;
1621 infoPtr->bDragging = FALSE;
1622 infoPtr->iMoveItem = nItem;
1623 infoPtr->ptLButtonDown = pt;
1624
1625 infoPtr->items[nItem].bDown = TRUE;
1626
1627 /* Send WM_CUSTOMDRAW */
1628 hdc = GetDC (hwnd);
1629 HEADER_RefreshItem (hwnd, hdc, nItem);
1630 ReleaseDC (hwnd, hdc);
1631
1632 TRACE("Pressed item %d!\n", nItem);
1633 }
1634 else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN)) {
1635 if (!(HEADER_SendHeaderNotifyT (hwnd, HDN_BEGINTRACKW, nItem, HDI_WIDTH, NULL))) {
1636 SetCapture (hwnd);
1637 infoPtr->bCaptured = TRUE;
1638 infoPtr->bTracking = TRUE;
1639 infoPtr->iMoveItem = nItem;
1640 infoPtr->nOldWidth = infoPtr->items[nItem].cxy;
1641 infoPtr->xTrackOffset = infoPtr->items[nItem].rect.right - pt.x;
1642
1643 if (!(dwStyle & HDS_FULLDRAG)) {
1644 infoPtr->xOldTrack = infoPtr->items[nItem].rect.right;
1645 hdc = GetDC (hwnd);
1646 HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
1647 ReleaseDC (hwnd, hdc);
1648 }
1649
1650 TRACE("Begin tracking item %d!\n", nItem);
1651 }
1652 }
1653
1654 return 0;
1655 }
1656
1657
1658 static LRESULT
1659 HEADER_LButtonUp (HWND hwnd, WPARAM wParam, LPARAM lParam)
1660 {
1661 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1662 DWORD dwStyle = GetWindowLongW (hwnd, GWL_STYLE);
1663 POINT pt;
1664 UINT flags;
1665 INT nItem, nWidth;
1666 HDC hdc;
1667
1668 pt.x = (INT)(SHORT)LOWORD(lParam);
1669 pt.y = (INT)(SHORT)HIWORD(lParam);
1670 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1671
1672 if (infoPtr->bPressed) {
1673 if (infoPtr->bDragging)
1674 {
1675 HEADER_ITEM *lpItem = &infoPtr->items[infoPtr->iMoveItem];
1676 INT iNewOrder;
1677
1678 ImageList_DragShowNolock(FALSE);
1679 ImageList_EndDrag();
1680 lpItem->bDown=FALSE;
1681
1682 if (infoPtr->iHotDivider == -1)
1683 iNewOrder = -1;
1684 else if (infoPtr->iHotDivider == infoPtr->uNumItem)
1685 iNewOrder = infoPtr->uNumItem-1;
1686 else
1687 {
1688 iNewOrder = HEADER_IndexToOrder(hwnd, infoPtr->iHotDivider);
1689 if (iNewOrder > lpItem->iOrder)
1690 iNewOrder--;
1691 }
1692
1693 /* FIXME: the new order field should be sent, not the old one */
1694 if (iNewOrder != -1 &&
1695 !HEADER_SendHeaderNotifyT(hwnd, HDN_ENDDRAG, infoPtr->iMoveItem, HDI_ORDER, NULL))
1696 {
1697 HEADER_ChangeItemOrder(infoPtr, infoPtr->iMoveItem, iNewOrder);
1698 infoPtr->bRectsValid = FALSE;
1699 InvalidateRect(hwnd, NULL, FALSE);
1700 }
1701 else
1702 InvalidateRect(hwnd, &infoPtr->items[infoPtr->iMoveItem].rect, FALSE);
1703
1704 HEADER_SetHotDivider(hwnd, FALSE, -1);
1705 }
1706 else if (!(dwStyle&HDS_DRAGDROP) || !HEADER_IsDragDistance(infoPtr, &pt))
1707 {
1708 infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
1709 hdc = GetDC (hwnd);
1710 HEADER_RefreshItem (hwnd, hdc, infoPtr->iMoveItem);
1711 ReleaseDC (hwnd, hdc);
1712
1713 HEADER_SendClickNotify (hwnd, HDN_ITEMCLICKA, infoPtr->iMoveItem);
1714 }
1715
1716 TRACE("Released item %d!\n", infoPtr->iMoveItem);
1717 infoPtr->bPressed = FALSE;
1718 }
1719 else if (infoPtr->bTracking) {
1720 TRACE("End tracking item %d!\n", infoPtr->iMoveItem);
1721 infoPtr->bTracking = FALSE;
1722
1723 HEADER_SendHeaderNotifyT (hwnd, HDN_ENDTRACKW, infoPtr->iMoveItem, HDI_WIDTH, NULL);
1724
1725 if (!(dwStyle & HDS_FULLDRAG)) {
1726 hdc = GetDC (hwnd);
1727 HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
1728 ReleaseDC (hwnd, hdc);
1729 }
1730
1731 if (HEADER_SendHeaderNotifyT(hwnd, HDN_ITEMCHANGINGW, infoPtr->iMoveItem, HDI_WIDTH, NULL))
1732 {
1733 infoPtr->items[infoPtr->iMoveItem].cxy = infoPtr->nOldWidth;
1734 }
1735 else {
1736 nWidth = pt.x - infoPtr->items[infoPtr->iMoveItem].rect.left + infoPtr->xTrackOffset;
1737 if (nWidth < 0)
1738 nWidth = 0;
1739 infoPtr->items[infoPtr->iMoveItem].cxy = nWidth;
1740 }
1741
1742 HEADER_SetItemBounds (hwnd);
1743 InvalidateRect(hwnd, NULL, TRUE);
1744 HEADER_SendHeaderNotifyT(hwnd, HDN_ITEMCHANGEDW, infoPtr->iMoveItem, HDI_WIDTH, NULL);
1745 }
1746
1747 if (infoPtr->bCaptured) {
1748 infoPtr->bCaptured = FALSE;
1749 ReleaseCapture ();
1750 HEADER_SendSimpleNotify (hwnd, NM_RELEASEDCAPTURE);
1751 }
1752
1753 return 0;
1754 }
1755
1756
1757 static LRESULT
1758 HEADER_NotifyFormat (HWND hwnd, WPARAM wParam, LPARAM lParam)
1759 {
1760 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1761
1762 switch (lParam)
1763 {
1764 case NF_QUERY:
1765 return infoPtr->nNotifyFormat;
1766
1767 case NF_REQUERY:
1768 infoPtr->nNotifyFormat =
1769 SendMessageW ((HWND)wParam, WM_NOTIFYFORMAT,
1770 (WPARAM)hwnd, (LPARAM)NF_QUERY);
1771 return infoPtr->nNotifyFormat;
1772 }
1773
1774 return 0;
1775 }
1776
1777 static LRESULT
1778 HEADER_MouseLeave (HWND hwnd, WPARAM wParam, LPARAM lParam)
1779 {
1780 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1781 /* Reset hot-tracked item when mouse leaves control. */
1782 INT oldHotItem = infoPtr->iHotItem;
1783 HDC hdc = GetDC (hwnd);
1784
1785 infoPtr->iHotItem = -1;
1786 if (oldHotItem != -1) HEADER_RefreshItem (hwnd, hdc, oldHotItem);
1787 ReleaseDC (hwnd, hdc);
1788
1789 return 0;
1790 }
1791
1792
1793 static LRESULT
1794 HEADER_MouseMove (HWND hwnd, WPARAM wParam, LPARAM lParam)
1795 {
1796 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1797 DWORD dwStyle = GetWindowLongW (hwnd, GWL_STYLE);
1798 POINT pt;
1799 UINT flags;
1800 INT nItem, nWidth;
1801 HDC hdc;
1802 /* With theming, hottracking is always enabled */
1803 BOOL hotTrackEnabled =
1804 ((dwStyle & HDS_BUTTONS) && (dwStyle & HDS_HOTTRACK))
1805 || (GetWindowTheme (hwnd) != NULL);
1806 INT oldHotItem = infoPtr->iHotItem;
1807
1808 pt.x = (INT)(SHORT)LOWORD(lParam);
1809 pt.y = (INT)(SHORT)HIWORD(lParam);
1810 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1811
1812 if (hotTrackEnabled) {
1813 if (flags & (HHT_ONHEADER | HHT_ONDIVIDER | HHT_ONDIVOPEN))
1814 infoPtr->iHotItem = nItem;
1815 else
1816 infoPtr->iHotItem = -1;
1817 }
1818
1819 if (infoPtr->bCaptured) {
1820 /* check if we should drag the header */
1821 if (infoPtr->bPressed && !infoPtr->bDragging && dwStyle&HDS_DRAGDROP
1822 && HEADER_IsDragDistance(infoPtr, &pt))
1823 {
1824 if (!HEADER_SendHeaderNotifyT(hwnd, HDN_BEGINDRAG, infoPtr->iMoveItem, 0, NULL))
1825 {
1826 HIMAGELIST hDragItem = (HIMAGELIST)HEADER_CreateDragImage(hwnd, infoPtr->iMoveItem);
1827 if (hDragItem != NULL)
1828 {
1829 HEADER_ITEM *lpItem = &infoPtr->items[infoPtr->iMoveItem];
1830 TRACE("Starting item drag\n");
1831 ImageList_BeginDrag(hDragItem, 0, pt.x - lpItem->rect.left, 0);
1832 ImageList_DragShowNolock(TRUE);
1833 ImageList_Destroy(hDragItem);
1834 infoPtr->bDragging = TRUE;
1835 }
1836 }
1837 }
1838
1839 if (infoPtr->bDragging)
1840 {
1841 POINT drag;
1842 drag.x = pt.x;
1843 drag.y = 0;
1844 ClientToScreen(hwnd, &drag);
1845 ImageList_DragMove(drag.x, drag.y);
1846 HEADER_SetHotDivider(hwnd, TRUE, lParam);
1847 }
1848
1849 if (infoPtr->bPressed && !infoPtr->bDragging) {
1850 BOOL oldState = infoPtr->items[infoPtr->iMoveItem].bDown;
1851 if ((nItem == infoPtr->iMoveItem) && (flags == HHT_ONHEADER))
1852 infoPtr->items[infoPtr->iMoveItem].bDown = TRUE;
1853 else
1854 infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
1855 if (oldState != infoPtr->items[infoPtr->iMoveItem].bDown) {
1856 hdc = GetDC (hwnd);
1857 HEADER_RefreshItem (hwnd, hdc, infoPtr->iMoveItem);
1858 ReleaseDC (hwnd, hdc);
1859 }
1860
1861 TRACE("Moving pressed item %d!\n", infoPtr->iMoveItem);
1862 }
1863 else if (infoPtr->bTracking) {
1864 if (dwStyle & HDS_FULLDRAG) {
1865 if (!HEADER_SendHeaderNotifyT (hwnd, HDN_ITEMCHANGINGW, infoPtr->iMoveItem, HDI_WIDTH, NULL))
1866 {
1867 HEADER_ITEM *lpItem = &infoPtr->items[infoPtr->iMoveItem];
1868 INT nOldWidth = lpItem->rect.right - lpItem->rect.left;
1869 RECT rcClient;
1870 RECT rcScroll;
1871
1872 nWidth = pt.x - lpItem->rect.left + infoPtr->xTrackOffset;
1873 if (nWidth < 0) nWidth = 0;
1874 infoPtr->items[infoPtr->iMoveItem].cxy = nWidth;
1875 HEADER_SetItemBounds(hwnd);
1876
1877 GetClientRect(hwnd, &rcClient);
1878 rcScroll = rcClient;
1879 rcScroll.left = lpItem->rect.left + nOldWidth;
1880 ScrollWindowEx(hwnd, nWidth - nOldWidth, 0, &rcScroll, &rcClient, NULL, NULL, 0);
1881 InvalidateRect(hwnd, &lpItem->rect, FALSE);
1882 UpdateWindow(hwnd);
1883
1884 HEADER_SendHeaderNotifyT(hwnd, HDN_ITEMCHANGEDW, infoPtr->iMoveItem, HDI_WIDTH, NULL);
1885 }
1886 }
1887 else {
1888 hdc = GetDC (hwnd);
1889 HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
1890 infoPtr->xOldTrack = pt.x + infoPtr->xTrackOffset;
1891 if (infoPtr->xOldTrack < infoPtr->items[infoPtr->iMoveItem].rect.left)
1892 infoPtr->xOldTrack = infoPtr->items[infoPtr->iMoveItem].rect.left;
1893 infoPtr->items[infoPtr->iMoveItem].cxy =
1894 infoPtr->xOldTrack - infoPtr->items[infoPtr->iMoveItem].rect.left;
1895 HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
1896 ReleaseDC (hwnd, hdc);
1897 HEADER_SendHeaderNotifyT (hwnd, HDN_TRACKW, infoPtr->iMoveItem, HDI_WIDTH, NULL);
1898 }
1899
1900 TRACE("Tracking item %d!\n", infoPtr->iMoveItem);
1901 }
1902 }
1903
1904 if (hotTrackEnabled) {
1905 TRACKMOUSEEVENT tme;
1906 if (oldHotItem != infoPtr->iHotItem && !infoPtr->bDragging) {
1907 hdc = GetDC (hwnd);
1908 if (oldHotItem != -1) HEADER_RefreshItem (hwnd, hdc, oldHotItem);
1909 if (infoPtr->iHotItem != -1) HEADER_RefreshItem (hwnd, hdc, infoPtr->iHotItem);
1910 ReleaseDC (hwnd, hdc);
1911 }
1912 tme.cbSize = sizeof( tme );
1913 tme.dwFlags = TME_LEAVE;
1914 tme.hwndTrack = hwnd;
1915 TrackMouseEvent( &tme );
1916 }
1917
1918 return 0;
1919 }
1920
1921
1922 static LRESULT
1923 HEADER_Paint (HWND hwnd, WPARAM wParam)
1924 {
1925 HDC hdc;
1926 PAINTSTRUCT ps;
1927
1928 hdc = wParam==0 ? BeginPaint (hwnd, &ps) : (HDC)wParam;
1929 HEADER_Refresh (hwnd, hdc);
1930 if(!wParam)
1931 EndPaint (hwnd, &ps);
1932 return 0;
1933 }
1934
1935
1936 static LRESULT
1937 HEADER_RButtonUp (HWND hwnd, WPARAM wParam, LPARAM lParam)
1938 {
1939 BOOL bRet;
1940 POINT pt;
1941
1942 pt.x = LOWORD(lParam);
1943 pt.y = HIWORD(lParam);
1944
1945 /* Send a Notify message */
1946 bRet = HEADER_SendSimpleNotify (hwnd, NM_RCLICK);
1947
1948 /* Change to screen coordinate for WM_CONTEXTMENU */
1949 ClientToScreen(hwnd, &pt);
1950
1951 /* Send a WM_CONTEXTMENU message in response to the RBUTTONUP */
1952 SendMessageW( hwnd, WM_CONTEXTMENU, (WPARAM) hwnd, MAKELPARAM(pt.x, pt.y));
1953
1954 return bRet;
1955 }
1956
1957
1958 static LRESULT
1959 HEADER_SetCursor (HWND hwnd, WPARAM wParam, LPARAM lParam)
1960 {
1961 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1962 POINT pt;
1963 UINT flags;
1964 INT nItem;
1965
1966 TRACE("code=0x%X id=0x%X\n", LOWORD(lParam), HIWORD(lParam));
1967
1968 GetCursorPos (&pt);
1969 ScreenToClient (hwnd, &pt);
1970
1971 HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
1972
1973 if (flags == HHT_ONDIVIDER)
1974 SetCursor (infoPtr->hcurDivider);
1975 else if (flags == HHT_ONDIVOPEN)
1976 SetCursor (infoPtr->hcurDivopen);
1977 else
1978 SetCursor (infoPtr->hcurArrow);
1979
1980 return 0;
1981 }
1982
1983
1984 static LRESULT
1985 HEADER_SetFont (HWND hwnd, WPARAM wParam, LPARAM lParam)
1986 {
1987 HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
1988 TEXTMETRICW tm;
1989 HFONT hFont, hOldFont;
1990 HDC hdc;
1991
1992 infoPtr->hFont = (HFONT)wParam;
1993
1994 hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT);
1995
1996 hdc = GetDC (0);
1997 hOldFont = SelectObject (hdc, hFont);
1998 GetTextMetricsW (hdc, &tm);
1999 infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
2000 SelectObject (hdc, hOldFont);
2001 ReleaseDC (0, hdc);
2002
2003 infoPtr->bRectsValid = FALSE;
2004
2005 if (lParam) {
2006 InvalidateRect(hwnd, NULL, FALSE);
2007 }
2008
2009 return 0;
2010 }
2011
2012 /* Update the theme handle after a theme change */
2013 static LRESULT HEADER_ThemeChanged(HWND hwnd)
2014 {
2015 HTHEME theme = GetWindowTheme(hwnd);
2016 CloseThemeData(theme);
2017 OpenThemeData(hwnd, themeClass);
2018 InvalidateRect(hwnd, NULL, FALSE);
2019 return 0;
2020 }
2021
2022
2023 static LRESULT WINAPI
2024 HEADER_WindowProc (HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
2025 {
2026 TRACE("hwnd=%p msg=%x wparam=%x lParam=%lx\n", hwnd, msg, wParam, lParam);
2027 if (!HEADER_GetInfoPtr (hwnd) && (msg != WM_CREATE))
2028 return DefWindowProcW (hwnd, msg, wParam, lParam);
2029 switch (msg) {
2030 /* case HDM_CLEARFILTER: */
2031
2032 case HDM_CREATEDRAGIMAGE:
2033 return HEADER_CreateDragImage (hwnd, wParam);
2034
2035 case HDM_DELETEITEM:
2036 return HEADER_DeleteItem (hwnd, wParam);
2037
2038 /* case HDM_EDITFILTER: */
2039
2040 case HDM_GETBITMAPMARGIN:
2041 return HEADER_GetBitmapMargin(hwnd);
2042
2043 case HDM_GETIMAGELIST:
2044 return HEADER_GetImageList (hwnd);
2045
2046 case HDM_GETITEMA:
2047 case HDM_GETITEMW:
2048 return HEADER_GetItemT (hwnd, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_GETITEMW);
2049
2050 case HDM_GETITEMCOUNT:
2051 return HEADER_GetItemCount (hwnd);
2052
2053 case HDM_GETITEMRECT:
2054 return HEADER_GetItemRect (hwnd, wParam, lParam);
2055
2056 case HDM_GETORDERARRAY:
2057 return HEADER_GetOrderArray(hwnd, wParam, lParam);
2058
2059 case HDM_GETUNICODEFORMAT:
2060 return HEADER_GetUnicodeFormat (hwnd);
2061
2062 case HDM_HITTEST:
2063 return HEADER_HitTest (hwnd, wParam, lParam);
2064
2065 case HDM_INSERTITEMA:
2066 case HDM_INSERTITEMW:
2067 return HEADER_InsertItemT (hwnd, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_INSERTITEMW);
2068
2069 case HDM_LAYOUT:
2070 return HEADER_Layout (hwnd, wParam, lParam);
2071
2072 case HDM_ORDERTOINDEX:
2073 return HEADER_OrderToIndex(hwnd, wParam);
2074
2075 case HDM_SETBITMAPMARGIN:
2076 return HEADER_SetBitmapMargin(hwnd, wParam);
2077
2078 /* case HDM_SETFILTERCHANGETIMEOUT: */
2079
2080 case HDM_SETHOTDIVIDER:
2081 return HEADER_SetHotDivider(hwnd, wParam, lParam);
2082
2083 case HDM_SETIMAGELIST:
2084 return HEADER_SetImageList (hwnd, (HIMAGELIST)lParam);
2085
2086 case HDM_SETITEMA:
2087 case HDM_SETITEMW:
2088 return HEADER_SetItemT (hwnd, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_SETITEMW);
2089
2090 case HDM_SETORDERARRAY:
2091 return HEADER_SetOrderArray(hwnd, wParam, lParam);
2092
2093 case HDM_SETUNICODEFORMAT:
2094 return HEADER_SetUnicodeFormat (hwnd, wParam);
2095
2096 case WM_CREATE:
2097 return HEADER_Create (hwnd, wParam, lParam);
2098
2099 case WM_DESTROY:
2100 return HEADER_Destroy (hwnd, wParam, lParam);
2101
2102 case WM_ERASEBKGND:
2103 return 1;
2104
2105 case WM_GETDLGCODE:
2106 return DLGC_WANTTAB | DLGC_WANTARROWS;
2107
2108 case WM_GETFONT:
2109 return HEADER_GetFont (hwnd);
2110
2111 case WM_LBUTTONDBLCLK:
2112 return HEADER_LButtonDblClk (hwnd, wParam, lParam);
2113
2114 case WM_LBUTTONDOWN:
2115 return HEADER_LButtonDown (hwnd, wParam, lParam);
2116
2117 case WM_LBUTTONUP:
2118 return HEADER_LButtonUp (hwnd, wParam, lParam);
2119
2120 case WM_MOUSELEAVE:
2121 return HEADER_MouseLeave (hwnd, wParam, lParam);
2122
2123 case WM_MOUSEMOVE:
2124 return HEADER_MouseMove (hwnd, wParam, lParam);
2125
2126 case WM_NOTIFYFORMAT:
2127 return HEADER_NotifyFormat (hwnd, wParam, lParam);
2128
2129 case WM_SIZE:
2130 return HEADER_Size (hwnd, wParam);
2131
2132 case WM_THEMECHANGED:
2133 return HEADER_ThemeChanged (hwnd);
2134
2135 case WM_PRINTCLIENT:
2136 case WM_PAINT:
2137 return HEADER_Paint (hwnd, wParam);
2138
2139 case WM_RBUTTONUP:
2140 return HEADER_RButtonUp (hwnd, wParam, lParam);
2141
2142 case WM_SETCURSOR:
2143 return HEADER_SetCursor (hwnd, wParam, lParam);
2144
2145 case WM_SETFONT:
2146 return HEADER_SetFont (hwnd, wParam, lParam);
2147
2148 default:
2149 if ((msg >= WM_USER) && (msg < WM_APP))
2150 ERR("unknown msg %04x wp=%04x lp=%08lx\n",
2151 msg, wParam, lParam );
2152 return DefWindowProcA (hwnd, msg, wParam, lParam);
2153 }
2154 }
2155
2156
2157 VOID
2158 HEADER_Register (void)
2159 {
2160 WNDCLASSW wndClass;
2161
2162 ZeroMemory (&wndClass, sizeof(WNDCLASSW));
2163 wndClass.style = CS_GLOBALCLASS | CS_DBLCLKS;
2164 wndClass.lpfnWndProc = HEADER_WindowProc;
2165 wndClass.cbClsExtra = 0;
2166 wndClass.cbWndExtra = sizeof(HEADER_INFO *);
2167 wndClass.hCursor = LoadCursorW (0, (LPWSTR)IDC_ARROW);
2168 wndClass.lpszClassName = WC_HEADERW;
2169
2170 RegisterClassW (&wndClass);
2171 }
2172
2173
2174 VOID
2175 HEADER_Unregister (void)
2176 {
2177 UnregisterClassW (WC_HEADERW, NULL);
2178 }
Maarten's multimedia branch