controls/header.c

   1 /*
   2  *  Header control
   3  *
   4  *  Copyright 1998 Eric Kohl
   5  *
   6  *  TODO:
   7  *   - Imagelist support (partially).
   8  *   - Callback items.
   9  *   - Order list support.
  10  *   - Control specific cursors (over dividers).
  11  *   - Hottrack support (partially).
  12  *   - Custom draw support (including Notifications).
  13  *   - Drag and Drop support (including Notifications).
  14  *   - Unicode support.
  15  *
  16  *  FIXME:
  17  *   - Replace DrawText32A by DrawTextEx32A(...|DT_ENDELLIPSIS) in
  18  *     HEADER_DrawItem.
  19  *   - Little flaw when drawing a bitmap on the right side of the text.
  20  */
  21
  22 #include "windows.h"
  23 #include "commctrl.h"
  24 #include "header.h"
  25 #include "heap.h"
  26 #include "win.h"
  27 #include "debug.h"
  28
  29
  30 #define __HDM_LAYOUT_HACK__
  31
  32
  33 #define VERT_BORDER     4
  34 #define DIVIDER_WIDTH  10
  35
  36 #define HEADER_GetInfoPtr(wndPtr) ((HEADER_INFO *)wndPtr->wExtra[0])
  37
  38
  39 static INT32
  40 HEADER_DrawItem (WND *wndPtr, HDC32 hdc, INT32 iItem, BOOL32 bHotTrack)
  41 {
  42     HEADER_INFO *infoPtr = HEADER_GetInfoPtr(wndPtr);
  43     HEADER_ITEM *phdi = &infoPtr->items[iItem];
  44     RECT32 r;
  45     INT32  oldBkMode;
  46
  47     r = phdi->rect;
  48     if (r.right - r.left == 0)
  49         return phdi->rect.right;
  50
  51     if (wndPtr->dwStyle & HDS_BUTTONS) {
  52         if (phdi->bDown) {
  53             DrawEdge32 (hdc, &r, BDR_RAISEDOUTER,
  54                         BF_RECT | BF_FLAT | BF_MIDDLE | BF_ADJUST);
  55             r.left += 2;
  56             r.top  += 2;
  57         }
  58         else
  59             DrawEdge32 (hdc, &r, EDGE_RAISED,
  60                         BF_RECT | BF_SOFT | BF_MIDDLE | BF_ADJUST);
  61     }
  62     else
  63         DrawEdge32 (hdc, &r, EDGE_ETCHED, BF_BOTTOM | BF_RIGHT | BF_ADJUST);
  64
  65     if (phdi->fmt & HDF_OWNERDRAW) {
  66         DRAWITEMSTRUCT32 dis;
  67         dis.CtlType    = ODT_HEADER;
  68         dis.CtlID      = wndPtr->wIDmenu;
  69         dis.itemID     = iItem;
  70         dis.itemAction = ODA_DRAWENTIRE;
  71         dis.itemState  = phdi->bDown ? ODS_SELECTED : 0;
  72         dis.hwndItem   = wndPtr->hwndSelf;
  73         dis.hDC        = hdc;
  74         dis.rcItem     = r;
  75         dis.itemData   = phdi->lParam;
  76         SendMessage32A (GetParent32 (wndPtr->hwndSelf), WM_DRAWITEM,
  77                         (WPARAM32)wndPtr->wIDmenu, (LPARAM)&dis);
  78     }
  79     else {
  80         UINT32 uTextJustify = DT_LEFT;
  81
  82         if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_CENTER)
  83             uTextJustify = DT_CENTER;
  84         else if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_RIGHT)
  85             uTextJustify = DT_RIGHT;
  86
  87         if ((phdi->fmt & HDF_BITMAP) && (phdi->hbm)) {
  88             BITMAP32 bmp;
  89             HDC32    hdcBitmap;
  90             INT32    yD, yS, cx, cy, rx, ry;
  91
  92             GetObject32A (phdi->hbm, sizeof(BITMAP32), (LPVOID)&bmp);
  93
  94             ry = r.bottom - r.top;
  95             rx = r.right - r.left;
  96
  97             if (ry >= bmp.bmHeight) {
  98                 cy = bmp.bmHeight;
  99                 yD = r.top + (ry - bmp.bmHeight) / 2;
 100                 yS = 0;
 101             }
 102             else {
 103                 cy = ry;
 104                 yD = r.top;
 105                 yS = (bmp.bmHeight - ry) / 2;
 106
 107             }
 108
 109             if (rx >= bmp.bmWidth + 6) {
 110                 cx = bmp.bmWidth;
 111             }
 112             else {
 113                 cx = rx - 6;
 114             }
 115
 116             hdcBitmap = CreateCompatibleDC32 (hdc);
 117             SelectObject32 (hdcBitmap, phdi->hbm);
 118             BitBlt32 (hdc, r.left + 3, yD, cx, cy, hdcBitmap, 0, yS, SRCCOPY);
 119             DeleteDC32 (hdcBitmap);
 120
 121             r.left += (bmp.bmWidth + 3);
 122         }
 123
 124
 125         if ((phdi->fmt & HDF_BITMAP_ON_RIGHT) && (phdi->hbm)) {
 126             BITMAP32 bmp;
 127             HDC32    hdcBitmap;
 128             INT32    xD, yD, yS, cx, cy, rx, ry, tx;
 129             RECT32   textRect;
 130
 131             GetObject32A (phdi->hbm, sizeof(BITMAP32), (LPVOID)&bmp);
 132
 133             textRect = r;
 134             DrawText32A(hdc, phdi->pszText, lstrlen32A(phdi->pszText),
 135                   &textRect, DT_LEFT|DT_VCENTER|DT_SINGLELINE|DT_CALCRECT);
 136             tx = textRect.right - textRect.left;
 137             ry = r.bottom - r.top;
 138             rx = r.right - r.left;
 139
 140             if (ry >= bmp.bmHeight) {
 141                 cy = bmp.bmHeight;
 142                 yD = r.top + (ry - bmp.bmHeight) / 2;
 143                 yS = 0;
 144             }
 145             else {
 146                 cy = ry;
 147                 yD = r.top;
 148                 yS = (bmp.bmHeight - ry) / 2;
 149
 150             }
 151
 152             if (r.left + tx + bmp.bmWidth + 9 <= r.right) {
 153                 cx = bmp.bmWidth;
 154                 xD = r.left + tx + 6;
 155             }
 156             else {
 157                 if (rx >= bmp.bmWidth + 6) {
 158                     cx = bmp.bmWidth;
 159                     xD = r.right - bmp.bmWidth - 3;
 160                     r.right = xD - 3;
 161                 }
 162                 else {
 163                     cx = rx - 3;
 164                     xD = r.left;
 165                     r.right = r.left;
 166                 }
 167             }
 168
 169             hdcBitmap = CreateCompatibleDC32 (hdc);
 170             SelectObject32 (hdcBitmap, phdi->hbm);
 171             BitBlt32 (hdc, xD, yD, cx, cy, hdcBitmap, 0, yS, SRCCOPY);
 172             DeleteDC32 (hdcBitmap);
 173         }
 174
 175         if (phdi->fmt & HDF_IMAGE) {
 176
 177
 178 //          ImageList_Draw (infoPtr->himl, phdi->iImage,...);
 179         }
 180
 181         if ((phdi->fmt & HDF_STRING) && (phdi->pszText)) {
 182             oldBkMode = SetBkMode32(hdc, TRANSPARENT);
 183             r.left += 3;
 184             r.right -= 3;
 185             SetTextColor32 (hdc, bHotTrack ? COLOR_HIGHLIGHT : COLOR_BTNTEXT);
 186             DrawText32A(hdc, phdi->pszText, lstrlen32A(phdi->pszText),
 187                   &r, uTextJustify|DT_VCENTER|DT_SINGLELINE);
 188             if (oldBkMode != TRANSPARENT)
 189                 SetBkMode32(hdc, oldBkMode);
 190         }
 191     }
 192     return phdi->rect.right;
 193 }
 194
 195
 196 static void
 197 HEADER_Refresh (WND *wndPtr, HDC32 hdc)
 198 {
 199     HEADER_INFO *infoPtr = HEADER_GetInfoPtr(wndPtr);
 200     HFONT32 hFont, hOldFont;
 201     RECT32 rect;
 202     HBRUSH32 hbrBk;
 203     INT32 i, x;
 204
 205     /* get rect for the bar, adjusted for the border */
 206     GetClientRect32 (wndPtr->hwndSelf, &rect);
 207
 208     hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject32 (SYSTEM_FONT);
 209     hOldFont = SelectObject32 (hdc, hFont);
 210
 211     /* draw Background */
 212     hbrBk = GetSysColorBrush32(COLOR_3DFACE);
 213     FillRect32(hdc, &rect, hbrBk);
 214
 215     x = rect.left;
 216     for (i = 0; i < infoPtr->uNumItem; i++) {
 217         x = HEADER_DrawItem (wndPtr, hdc, i, FALSE);
 218     }
 219
 220     if ((x <= rect.right) && (infoPtr->uNumItem > 0)) {
 221         rect.left = x;
 222         if (wndPtr->dwStyle & HDS_BUTTONS)
 223             DrawEdge32 (hdc, &rect, EDGE_RAISED, BF_TOP|BF_LEFT|BF_BOTTOM|BF_SOFT);
 224         else
 225             DrawEdge32 (hdc, &rect, EDGE_ETCHED, BF_BOTTOM);
 226     }
 227
 228     SelectObject32 (hdc, hOldFont);
 229 }
 230
 231
 232 static void
 233 HEADER_RefreshItem (WND *wndPtr, HDC32 hdc, INT32 iItem)
 234 {
 235     HEADER_INFO *infoPtr = HEADER_GetInfoPtr(wndPtr);
 236     HFONT32 hFont, hOldFont;
 237
 238     hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject32 (SYSTEM_FONT);
 239     hOldFont = SelectObject32 (hdc, hFont);
 240     HEADER_DrawItem (wndPtr, hdc, iItem, FALSE);
 241     SelectObject32 (hdc, hOldFont);
 242 }
 243
 244
 245 static void
 246 HEADER_SetItemBounds (WND *wndPtr)
 247 {
 248     HEADER_INFO *infoPtr = HEADER_GetInfoPtr(wndPtr);
 249     HEADER_ITEM *phdi;
 250     RECT32 rect;
 251     int i, x;
 252
 253     if (infoPtr->uNumItem == 0)
 254         return;
 255
 256     GetClientRect32 (wndPtr->hwndSelf, &rect);
 257
 258     x = rect.left;
 259     for (i = 0; i < infoPtr->uNumItem; i++) {
 260         phdi = &infoPtr->items[i];
 261         phdi->rect.top = rect.top;
 262         phdi->rect.bottom = rect.bottom;
 263         phdi->rect.left = x;
 264         phdi->rect.right = phdi->rect.left + phdi->cxy;
 265         x = phdi->rect.right;
 266     }
 267 }
 268
 269
 270 static void
 271 HEADER_ForceItemBounds (WND *wndPtr, INT32 cy)
 272 {
 273     HEADER_INFO *infoPtr = HEADER_GetInfoPtr(wndPtr);
 274     HEADER_ITEM *phdi;
 275     int i, x;
 276
 277     if (infoPtr->uNumItem == 0)
 278         return;
 279
 280     x = 0;
 281     for (i = 0; i < infoPtr->uNumItem; i++) {
 282         phdi = &infoPtr->items[i];
 283         phdi->rect.top = 0;
 284         phdi->rect.bottom = cy;
 285         phdi->rect.left = x;
 286         phdi->rect.right = phdi->rect.left + phdi->cxy;
 287         x = phdi->rect.right;
 288     }
 289 }
 290
 291
 292 static void
 293 HEADER_InternalHitTest (WND *wndPtr, LPPOINT32 lpPt, UINT32 *pFlags, INT32 *pItem)
 294 {
 295     HEADER_INFO *infoPtr = HEADER_GetInfoPtr(wndPtr);
 296     RECT32 rect, rcTest;
 297     INT32  iCount, width;
 298     BOOL32 bNoWidth;
 299
 300     GetClientRect32 (wndPtr->hwndSelf, &rect);
 301
 302     *pFlags = 0;
 303     bNoWidth = FALSE;
 304     if (PtInRect32 (&rect, *lpPt))
 305     {
 306         if (infoPtr->uNumItem == 0) {
 307             *pFlags |= HHT_NOWHERE;
 308             *pItem = 1;
 309             TRACE (header, "NOWHERE\n");
 310             return;
 311         }
 312         else {
 313             /* somewhere inside */
 314             for (iCount = 0; iCount < infoPtr->uNumItem; iCount++) {
 315                 rect = infoPtr->items[iCount].rect;
 316                 width = rect.right - rect.left;
 317                 if (width == 0) {
 318                     bNoWidth = TRUE;
 319                     continue;
 320                 }
 321                 if (PtInRect32 (&rect, *lpPt)) {
 322                     if (width <= 2 * DIVIDER_WIDTH) {
 323                         *pFlags |= HHT_ONHEADER;
 324                         *pItem = iCount;
 325                         TRACE (header, "ON HEADER %d\n", iCount);
 326                         return;
 327                     }
 328                     if (iCount > 0) {
 329                         rcTest = rect;
 330                         rcTest.right = rcTest.left + DIVIDER_WIDTH;
 331                         if (PtInRect32 (&rcTest, *lpPt)) {
 332                             if (bNoWidth) {
 333                                 *pFlags |= HHT_ONDIVOPEN;
 334                                 *pItem = iCount - 1;
 335                                 TRACE (header, "ON DIVOPEN %d\n", *pItem);
 336                                 return;
 337                             }
 338                             else {
 339                                 *pFlags |= HHT_ONDIVIDER;
 340                                 *pItem = iCount - 1;
 341                                 TRACE (header, "ON DIVIDER %d\n", *pItem);
 342                                 return;
 343                             }
 344                         }
 345                     }
 346                     rcTest = rect;
 347                     rcTest.left = rcTest.right - DIVIDER_WIDTH;
 348                     if (PtInRect32 (&rcTest, *lpPt)) {
 349                         *pFlags |= HHT_ONDIVIDER;
 350                         *pItem = iCount;
 351                         TRACE (header, "ON DIVIDER %d\n", *pItem);
 352                         return;
 353                     }
 354
 355                     *pFlags |= HHT_ONHEADER;
 356                     *pItem = iCount;
 357                     TRACE (header, "ON HEADER %d\n", iCount);
 358                     return;
 359                 }
 360             }
 361
 362             /* check for last divider part (on nowhere) */
 363             rect = infoPtr->items[infoPtr->uNumItem-1].rect;
 364             rect.left = rect.right;
 365             rect.right += DIVIDER_WIDTH;
 366             if (PtInRect32 (&rect, *lpPt)) {
 367                 if (bNoWidth) {
 368                     *pFlags |= HHT_ONDIVOPEN;
 369                     *pItem = infoPtr->uNumItem - 1;
 370                     TRACE (header, "ON DIVOPEN %d\n", *pItem);
 371                     return;
 372                 }
 373                 else {
 374                     *pFlags |= HHT_ONDIVIDER;
 375                     *pItem = infoPtr->uNumItem-1;
 376                     TRACE (header, "ON DIVIDER %d\n", *pItem);
 377                     return;
 378                 }
 379             }
 380
 381             *pFlags |= HHT_NOWHERE;
 382             *pItem = 1;
 383             TRACE (header, "NOWHERE\n");
 384             return;
 385         }
 386     }
 387     else {
 388         if (lpPt->x < rect.left) {
 389            TRACE (header, "TO LEFT\n");
 390            *pFlags |= HHT_TOLEFT;
 391         }
 392         else if (lpPt->x > rect.right) {
 393             TRACE (header, "TO LEFT\n");
 394             *pFlags |= HHT_TORIGHT;
 395         }
 396
 397         if (lpPt->y < rect.top) {
 398             TRACE (header, "ABOVE\n");
 399             *pFlags |= HHT_ABOVE;
 400         }
 401         else if (lpPt->y > rect.bottom) {
 402             TRACE (header, "BELOW\n");
 403             *pFlags |= HHT_BELOW;
 404         }
 405     }
 406
 407     *pItem = 1;
 408     TRACE (header, "flags=0x%X\n", *pFlags);
 409     return;
 410 }
 411
 412
 413 static void
 414 HEADER_DrawTrackLine (WND *wndPtr, HDC32 hdc, INT32 x)
 415 {
 416     RECT32 rect;
 417     HPEN32 hOldPen;
 418     INT32  oldRop;
 419
 420     GetClientRect32 (wndPtr->hwndSelf, &rect);
 421
 422     hOldPen = SelectObject32 (hdc, GetStockObject32 (BLACK_PEN));
 423     oldRop = SetROP232 (hdc, R2_XORPEN);
 424     MoveToEx32 (hdc, x, rect.top, NULL);
 425     LineTo32 (hdc, x, rect.bottom);
 426     SetROP232 (hdc, oldRop);
 427     SelectObject32 (hdc, hOldPen);
 428 }
 429
 430
 431 static BOOL32
 432 HEADER_SendSimpleNotify (WND *wndPtr, UINT32 code)
 433 {
 434     NMHDR nmhdr;
 435
 436     nmhdr.hwndFrom = wndPtr->hwndSelf;
 437     nmhdr.idFrom   = wndPtr->wIDmenu;
 438     nmhdr.code     = code;
 439
 440     return (BOOL32)SendMessage32A (GetParent32 (wndPtr->hwndSelf), WM_NOTIFY,
 441                                    (WPARAM32)nmhdr.idFrom, (LPARAM)&nmhdr);
 442 }
 443
 444
 445 static BOOL32
 446 HEADER_SendHeaderNotify (WND *wndPtr, UINT32 code, INT32 iItem)
 447 {
 448     HEADER_INFO *infoPtr = HEADER_GetInfoPtr(wndPtr);
 449     NMHEADERA nmhdr;
 450     HD_ITEMA  nmitem;
 451
 452     nmhdr.hdr.hwndFrom = wndPtr->hwndSelf;
 453     nmhdr.hdr.idFrom = wndPtr->wIDmenu;
 454     nmhdr.hdr.code = code;
 455     nmhdr.iItem = iItem;
 456     nmhdr.iButton = 0;
 457     nmhdr.pitem = &nmitem;
 458     nmitem.mask = infoPtr->items[iItem].mask;
 459     nmitem.cxy = infoPtr->items[iItem].cxy;
 460     nmitem.hbm = infoPtr->items[iItem].hbm;
 461     nmitem.pszText = infoPtr->items[iItem].pszText;
 462     nmitem.cchTextMax = infoPtr->items[iItem].cchTextMax;
 463     nmitem.fmt = infoPtr->items[iItem].fmt;
 464     nmitem.lParam = infoPtr->items[iItem].lParam;
 465     nmitem.iOrder = infoPtr->items[iItem].iOrder;
 466     nmitem.iImage = infoPtr->items[iItem].iImage;
 467
 468     return (BOOL32)SendMessage32A (GetParent32 (wndPtr->hwndSelf), WM_NOTIFY,
 469                                    (WPARAM32)wndPtr->wIDmenu, (LPARAM)&nmhdr);
 470 }
 471
 472
 473 static BOOL32
 474 HEADER_SendClickNotify (WND *wndPtr, UINT32 code, INT32 iItem)
 475 {
 476     NMHEADERA nmhdr;
 477
 478     nmhdr.hdr.hwndFrom = wndPtr->hwndSelf;
 479     nmhdr.hdr.idFrom = wndPtr->wIDmenu;
 480     nmhdr.hdr.code = code;
 481     nmhdr.iItem = iItem;
 482     nmhdr.iButton = 0;
 483     nmhdr.pitem = NULL;
 484
 485     return (BOOL32)SendMessage32A (GetParent32 (wndPtr->hwndSelf), WM_NOTIFY,
 486                                    (WPARAM32)wndPtr->wIDmenu, (LPARAM)&nmhdr);
 487 }
 488
 489
 490 static LRESULT
 491 HEADER_CreateDragImage (WND *wndPtr, WPARAM32 wParam)
 492 {
 493     FIXME (header, "empty stub!\n");
 494     return 0;
 495 }
 496
 497
 498 static LRESULT
 499 HEADER_DeleteItem (WND *wndPtr, WPARAM32 wParam)
 500 {
 501     HEADER_INFO *infoPtr = HEADER_GetInfoPtr(wndPtr);
 502     HDC32 hdc;
 503     INT32 iItem;
 504
 505     iItem = (INT32)wParam;
 506
 507     TRACE(header, "[iItem=%d]\n", iItem);
 508
 509     if ((iItem < 0) || (iItem > infoPtr->uNumItem - 1))
 510         return FALSE;
 511
 512     if (infoPtr->uNumItem == 1) {
 513         TRACE(header, "Simple delete!\n");
 514         if (infoPtr->items[0].pszText)
 515             HeapFree (GetProcessHeap (), 0, infoPtr->items[0].pszText);
 516         HeapFree (GetProcessHeap (), 0, infoPtr->items);
 517         infoPtr->items = 0;
 518         infoPtr->uNumItem = 0;
 519     }
 520     else {
 521         HEADER_ITEM *oldItems = infoPtr->items;
 522         TRACE(header, "Complex delete! [iItem=%d]\n", iItem);
 523
 524         if (infoPtr->items[iItem].pszText)
 525             HeapFree (GetProcessHeap (), 0, infoPtr->items[iItem].pszText);
 526
 527         infoPtr->uNumItem--;
 528         infoPtr->items = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY,
 529                                     sizeof (HEADER_ITEM) * infoPtr->uNumItem);
 530         /* pre delete copy */
 531         if (iItem > 0) {
 532             memcpy (&infoPtr->items[0], &oldItems[0],
 533                     iItem * sizeof(HEADER_ITEM));
 534         }
 535
 536         /* post delete copy */
 537         if (iItem < infoPtr->uNumItem) {
 538             memcpy (&infoPtr->items[iItem], &oldItems[iItem+1],
 539                     (infoPtr->uNumItem - iItem) * sizeof(HEADER_ITEM));
 540         }
 541
 542         HeapFree (GetProcessHeap (), 0, oldItems);
 543     }
 544
 545     HEADER_SetItemBounds (wndPtr);
 546
 547     hdc = GetDC32 (wndPtr->hwndSelf);
 548     HEADER_Refresh (wndPtr, hdc);
 549     ReleaseDC32 (wndPtr->hwndSelf, hdc);
 550
 551     return TRUE;
 552 }
 553
 554
 555 static LRESULT
 556 HEADER_GetImageList (WND *wndPtr)
 557 {
 558     HEADER_INFO *infoPtr = HEADER_GetInfoPtr(wndPtr);
 559
 560     return (LRESULT)infoPtr->himl;
 561 }
 562
 563
 564 static LRESULT
 565 HEADER_GetItem32A (WND *wndPtr, WPARAM32 wParam, LPARAM lParam)
 566 {
 567     HEADER_INFO *infoPtr = HEADER_GetInfoPtr(wndPtr);
 568     HD_ITEMA *phdi;
 569     INT32    iItem;
 570     UINT32   uMask;
 571
 572     phdi = (HD_ITEMA*)lParam;
 573     iItem = (INT32)wParam;
 574
 575     if ((iItem < 0) || (iItem > infoPtr->uNumItem - 1))
 576         return FALSE;
 577
 578     TRACE (header, "[iItem=%d]\n", iItem);
 579
 580     uMask = phdi->mask;
 581     if (uMask == 0)
 582         return TRUE;
 583     phdi->mask = 0;
 584
 585     if (uMask & infoPtr->items[iItem].mask & HDI_BITMAP) {
 586         phdi->hbm = infoPtr->items[iItem].hbm;
 587         phdi->mask |= HDI_BITMAP;
 588     }
 589
 590     if (uMask & infoPtr->items[iItem].mask & HDI_FORMAT) {
 591         phdi->fmt = infoPtr->items[iItem].fmt;
 592         phdi->mask |= HDI_FORMAT;
 593     }
 594
 595     if (uMask & infoPtr->items[iItem].mask & HDI_WIDTH) {
 596         phdi->cxy = infoPtr->items[iItem].cxy;
 597         phdi->mask |= HDI_WIDTH;
 598     }
 599
 600     if (uMask & infoPtr->items[iItem].mask & HDI_LPARAM) {
 601         phdi->lParam = infoPtr->items[iItem].lParam;
 602         phdi->mask |= HDI_LPARAM;
 603     }
 604
 605     if (uMask & infoPtr->items[iItem].mask & HDI_TEXT) {
 606         phdi->pszText = infoPtr->items[iItem].pszText;
 607         phdi->cchTextMax = infoPtr->items[iItem].cchTextMax;
 608         phdi->mask |= HDI_TEXT;
 609     }
 610
 611     if (uMask & infoPtr->items[iItem].mask & HDI_IMAGE) {
 612         phdi->iImage = infoPtr->items[iItem].iImage;
 613         phdi->mask |= HDI_IMAGE;
 614     }
 615
 616     if (uMask & infoPtr->items[iItem].mask & HDI_ORDER) {
 617         phdi->iOrder = infoPtr->items[iItem].iOrder;
 618         phdi->mask |= HDI_ORDER;
 619     }
 620
 621     return TRUE;
 622 }
 623
 624
 625 static LRESULT
 626 HEADER_GetItemCount (WND *wndPtr)
 627 {
 628     HEADER_INFO *infoPtr = HEADER_GetInfoPtr(wndPtr);
 629
 630     return (infoPtr->uNumItem);
 631 }
 632
 633
 634 static LRESULT
 635 HEADER_GetItemRect (WND *wndPtr, WPARAM32 wParam, LPARAM lParam)
 636 {
 637     HEADER_INFO *infoPtr = HEADER_GetInfoPtr(wndPtr);
 638     INT32 iItem;
 639     LPRECT32 lpRect;
 640
 641     iItem = (INT32)wParam;
 642     lpRect = (LPRECT32)lParam;
 643
 644     if ((iItem < 0) || (iItem > infoPtr->uNumItem - 1))
 645         return FALSE;
 646
 647     lpRect->left   = infoPtr->items[iItem].rect.left;
 648     lpRect->right  = infoPtr->items[iItem].rect.right;
 649     lpRect->top    = infoPtr->items[iItem].rect.top;
 650     lpRect->bottom = infoPtr->items[iItem].rect.bottom;
 651
 652     return TRUE;
 653 }
 654
 655
 656 static LRESULT
 657 HEADER_HitTest (WND *wndPtr, WPARAM32 wParam, LPARAM lParam)
 658 {
 659     LPHDHITTESTINFO phti = (LPHDHITTESTINFO)lParam;
 660
 661     HEADER_InternalHitTest (wndPtr, &phti->pt, &phti->flags, &phti->iItem);
 662
 663     return phti->flags;
 664 }
 665
 666
 667 static LRESULT
 668 HEADER_InsertItem32A (WND *wndPtr, WPARAM32 wParam, LPARAM lParam)
 669 {
 670     HEADER_INFO *infoPtr = HEADER_GetInfoPtr(wndPtr);
 671     HD_ITEMA *phdi;
 672     HDC32    hdc;
 673     INT32    iItem, len;
 674
 675     phdi = (HD_ITEMA*)lParam;
 676     iItem = (INT32)wParam;
 677
 678     if (iItem < 0) return -1;
 679     if (iItem > infoPtr->uNumItem)
 680         iItem = infoPtr->uNumItem;
 681
 682     if (infoPtr->uNumItem == 0) {
 683         infoPtr->items = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY,
 684                                     sizeof (HEADER_ITEM));
 685         infoPtr->uNumItem++;
 686     }
 687     else {
 688         HEADER_ITEM *oldItems = infoPtr->items;
 689
 690         infoPtr->uNumItem++;
 691         infoPtr->items = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY,
 692                                     sizeof (HEADER_ITEM) * infoPtr->uNumItem);
 693         /* pre insert copy */
 694         if (iItem > 0) {
 695             memcpy (&infoPtr->items[0], &oldItems[0],
 696                     iItem * sizeof(HEADER_ITEM));
 697         }
 698
 699         /* post insert copy */
 700         if (iItem < infoPtr->uNumItem - 1) {
 701             memcpy (&infoPtr->items[iItem+1], &oldItems[iItem],
 702                     (infoPtr->uNumItem - iItem) * sizeof(HEADER_ITEM));
 703         }
 704
 705         HeapFree (GetProcessHeap (), 0, oldItems);
 706     }
 707
 708     infoPtr->items[iItem].bDown = FALSE;
 709
 710     infoPtr->items[iItem].mask = phdi->mask;
 711     if (phdi->mask & HDI_WIDTH)
 712         infoPtr->items[iItem].cxy = phdi->cxy;
 713
 714     if (phdi->mask & HDI_TEXT) {
 715         len = lstrlen32A (phdi->pszText);
 716         infoPtr->items[iItem].pszText =
 717             HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, len+1);
 718         lstrcpy32A (infoPtr->items[iItem].pszText, phdi->pszText);
 719         infoPtr->items[iItem].cchTextMax = phdi->cchTextMax;
 720     }
 721
 722     if (phdi->mask & HDI_FORMAT)
 723         infoPtr->items[iItem].fmt = phdi->fmt;
 724
 725     if (phdi->mask & HDI_BITMAP)
 726         infoPtr->items[iItem].hbm = phdi->hbm;
 727
 728     if (phdi->mask & HDI_LPARAM)
 729         infoPtr->items[iItem].lParam = phdi->lParam;
 730
 731     if (phdi->mask & HDI_IMAGE)
 732         infoPtr->items[iItem].iImage = phdi->iImage;
 733
 734     if (phdi->mask & HDI_ORDER)
 735         infoPtr->items[iItem].iOrder = phdi->iOrder;
 736
 737     HEADER_SetItemBounds (wndPtr);
 738
 739     hdc = GetDC32 (wndPtr->hwndSelf);
 740     HEADER_Refresh (wndPtr, hdc);
 741     ReleaseDC32 (wndPtr->hwndSelf, hdc);
 742
 743     return iItem;
 744 }
 745
 746
 747 static LRESULT
 748 HEADER_Layout (WND *wndPtr, WPARAM32 wParam, LPARAM lParam)
 749 {
 750     HEADER_INFO *infoPtr = HEADER_GetInfoPtr(wndPtr);
 751     LPHDLAYOUT lpLayout = (LPHDLAYOUT)lParam;
 752
 753     lpLayout->pwpos->hwnd = wndPtr->hwndSelf;
 754     lpLayout->pwpos->hwndInsertAfter = 0;
 755     lpLayout->pwpos->x = lpLayout->prc->left;
 756     lpLayout->pwpos->y = lpLayout->prc->top;
 757     lpLayout->pwpos->cx = lpLayout->prc->right - lpLayout->prc->left;
 758     if (wndPtr->dwStyle & HDS_HIDDEN)
 759         lpLayout->pwpos->cy = 0;
 760     else
 761         lpLayout->pwpos->cy = infoPtr->nHeight;
 762     lpLayout->pwpos->flags = SWP_NOZORDER;
 763
 764     TRACE (header, "Layout x=%d y=%d cx=%d cy=%d\n",
 765            lpLayout->pwpos->x, lpLayout->pwpos->y,
 766            lpLayout->pwpos->cx, lpLayout->pwpos->cy);
 767
 768     HEADER_ForceItemBounds (wndPtr, lpLayout->pwpos->cy);
 769
 770     /* hack */
 771 #ifdef __HDM_LAYOUT_HACK__
 772     MoveWindow32 (lpLayout->pwpos->hwnd, lpLayout->pwpos->x, lpLayout->pwpos->y,
 773                   lpLayout->pwpos->cx, lpLayout->pwpos->cy, TRUE);
 774 #endif
 775
 776     return TRUE;
 777 }
 778
 779
 780 static LRESULT
 781 HEADER_SetImageList (WND *wndPtr, WPARAM32 wParam, LPARAM lParam)
 782 {
 783     HEADER_INFO *infoPtr = HEADER_GetInfoPtr(wndPtr);
 784     HIMAGELIST himlOld;
 785
 786     himlOld = infoPtr->himl;
 787     infoPtr->himl = (HIMAGELIST)lParam;
 788
 789     /* FIXME: Refresh needed??? */
 790
 791     return (LRESULT)himlOld;
 792 }
 793
 794
 795 static LRESULT
 796 HEADER_SetItem32A (WND *wndPtr, WPARAM32 wParam, LPARAM lParam)
 797 {
 798     HEADER_INFO *infoPtr = HEADER_GetInfoPtr(wndPtr);
 799     HD_ITEMA *phdi;
 800     INT32    iItem;
 801     HDC32    hdc;
 802
 803     phdi = (HD_ITEMA*)lParam;
 804     iItem = (INT32)wParam;
 805
 806     if ((iItem < 0) || (iItem > infoPtr->uNumItem - 1))
 807         return FALSE;
 808
 809     TRACE (header, "[iItem=%d]\n", iItem);
 810
 811     if (HEADER_SendHeaderNotify (wndPtr, HDN_ITEMCHANGING32A, iItem))
 812         return FALSE;
 813
 814     if (phdi->mask & HDI_BITMAP) {
 815         infoPtr->items[iItem].hbm = phdi->hbm;
 816         infoPtr->items[iItem].mask  |= HDI_BITMAP;
 817     }
 818
 819     if (phdi->mask & HDI_FORMAT) {
 820         infoPtr->items[iItem].fmt = phdi->fmt;
 821         infoPtr->items[iItem].mask  |= HDI_FORMAT;
 822     }
 823
 824     if (phdi->mask & HDI_LPARAM) {
 825         infoPtr->items[iItem].lParam = phdi->lParam;
 826         infoPtr->items[iItem].mask  |= HDI_LPARAM;
 827     }
 828
 829     if (phdi->mask & HDI_TEXT) {
 830         INT32 len = lstrlen32A (phdi->pszText);
 831         if (infoPtr->items[iItem].pszText)
 832             HeapFree (GetProcessHeap (), 0, infoPtr->items[iItem].pszText);
 833         infoPtr->items[iItem].pszText =
 834             HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, len+1);
 835         lstrcpy32A (infoPtr->items[iItem].pszText, phdi->pszText);
 836         infoPtr->items[iItem].cchTextMax = phdi->cchTextMax;
 837     }
 838
 839     if (phdi->mask & HDI_WIDTH) {
 840         infoPtr->items[iItem].cxy = phdi->cxy;
 841         infoPtr->items[iItem].mask  |= HDI_WIDTH;
 842     }
 843
 844     if (phdi->mask & HDI_IMAGE) {
 845         infoPtr->items[iItem].iImage = phdi->iImage;
 846         infoPtr->items[iItem].mask  |= HDI_IMAGE;
 847     }
 848
 849     if (phdi->mask & HDI_ORDER) {
 850         infoPtr->items[iItem].iOrder = phdi->iOrder;
 851         infoPtr->items[iItem].mask  |= HDI_ORDER;
 852     }
 853
 854     HEADER_SendHeaderNotify (wndPtr, HDN_ITEMCHANGED32A, iItem);
 855
 856     HEADER_SetItemBounds (wndPtr);
 857     hdc = GetDC32 (wndPtr->hwndSelf);
 858     HEADER_Refresh (wndPtr, hdc);
 859     ReleaseDC32 (wndPtr->hwndSelf, hdc);
 860
 861     return TRUE;
 862 }
 863
 864
 865 static LRESULT
 866 HEADER_Create (WND *wndPtr, WPARAM32 wParam, LPARAM lParam)
 867 {
 868     HEADER_INFO *infoPtr;
 869     TEXTMETRIC32A tm;
 870     HFONT32 hOldFont;
 871     HDC32   hdc;
 872
 873     infoPtr = (HEADER_INFO *)HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY,
 874                                         sizeof(HEADER_INFO));
 875     wndPtr->wExtra[0] = (DWORD)infoPtr;
 876
 877     infoPtr->uNumItem = 0;
 878     infoPtr->nHeight = 20;
 879     infoPtr->hFont = 0;
 880     infoPtr->items = 0;
 881     infoPtr->hcurArrow = LoadCursor32A (0, IDC_ARROW32A);
 882     infoPtr->hcurDivider = LoadCursor32A (0, IDC_SIZEWE32A);
 883     infoPtr->hcurDivopen = LoadCursor32A (0, IDC_SIZENS32A);
 884     infoPtr->bPressed  = FALSE;
 885     infoPtr->bTracking = FALSE;
 886     infoPtr->iMoveItem = 0;
 887     infoPtr->himl = 0;
 888     infoPtr->iHotItem = -1;
 889
 890     hdc = GetDC32 (0);
 891     hOldFont = SelectObject32 (hdc, GetStockObject32 (SYSTEM_FONT));
 892     GetTextMetrics32A (hdc, &tm);
 893     infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
 894     SelectObject32 (hdc, hOldFont);
 895     ReleaseDC32 (0, hdc);
 896
 897     return 0;
 898 }
 899
 900
 901 static LRESULT
 902 HEADER_Destroy (WND *wndPtr, WPARAM32 wParam, LPARAM lParam)
 903 {
 904     HEADER_INFO *infoPtr = HEADER_GetInfoPtr(wndPtr);
 905     INT32 iItem;
 906
 907     if (infoPtr->items) {
 908         for (iItem = 0; iItem < infoPtr->uNumItem; iItem++) {
 909             if (infoPtr->items[iItem].pszText)
 910                 HeapFree (GetProcessHeap (), 0, infoPtr->items[iItem].pszText);
 911         }
 912         HeapFree (GetProcessHeap (), 0, infoPtr->items);
 913     }
 914
 915     if (infoPtr->himl)
 916         ImageList_Destroy (infoPtr->himl);
 917
 918     HeapFree (GetProcessHeap (), 0, infoPtr);
 919
 920     return 0;
 921 }
 922
 923
 924 static LRESULT
 925 HEADER_GetFont (WND *wndPtr)
 926 {
 927     HEADER_INFO *infoPtr = HEADER_GetInfoPtr(wndPtr);
 928
 929     return (LRESULT)infoPtr->hFont;
 930 }
 931
 932
 933 static LRESULT
 934 HEADER_LButtonDblClk (WND *wndPtr, WPARAM32 wParam, LPARAM lParam)
 935 {
 936     POINT32 pt;
 937     UINT32  flags;
 938     INT32   iItem;
 939
 940     pt.x = (INT32)LOWORD(lParam);
 941     pt.y = (INT32)HIWORD(lParam);
 942     HEADER_InternalHitTest (wndPtr, &pt, &flags, &iItem);
 943
 944     if ((wndPtr->dwStyle & HDS_BUTTONS) && (flags == HHT_ONHEADER))
 945         HEADER_SendHeaderNotify (wndPtr, HDN_ITEMDBLCLICK32A, iItem);
 946     else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN))
 947         HEADER_SendHeaderNotify (wndPtr, HDN_DIVIDERDBLCLICK32A, iItem);
 948
 949     return 0;
 950 }
 951
 952
 953 static LRESULT
 954 HEADER_LButtonDown (WND *wndPtr, WPARAM32 wParam, LPARAM lParam)
 955 {
 956     HEADER_INFO *infoPtr = HEADER_GetInfoPtr(wndPtr);
 957     POINT32 pt;
 958     UINT32  flags;
 959     INT32   iItem;
 960     HDC32   hdc;
 961
 962     pt.x = (INT32)LOWORD(lParam);
 963     pt.y = (INT32)HIWORD(lParam);
 964     HEADER_InternalHitTest (wndPtr, &pt, &flags, &iItem);
 965
 966     if ((wndPtr->dwStyle & HDS_BUTTONS) && (flags == HHT_ONHEADER)) {
 967         SetCapture32 (wndPtr->hwndSelf);
 968         infoPtr->bCaptured = TRUE;
 969         infoPtr->bPressed  = TRUE;
 970         infoPtr->iMoveItem = iItem;
 971
 972         infoPtr->items[iItem].bDown = TRUE;
 973
 974         /* Send WM_CUSTOMDRAW */
 975         hdc = GetDC32 (wndPtr->hwndSelf);
 976         HEADER_RefreshItem (wndPtr, hdc, iItem);
 977         ReleaseDC32 (wndPtr->hwndSelf, hdc);
 978
 979         TRACE (header, "Pressed item %d!\n", iItem);
 980     }
 981     else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN)) {
 982         if (!(HEADER_SendHeaderNotify (wndPtr, HDN_BEGINTRACK32A, iItem))) {
 983             SetCapture32 (wndPtr->hwndSelf);
 984             infoPtr->bCaptured = TRUE;
 985             infoPtr->bTracking = TRUE;
 986             infoPtr->iMoveItem = iItem;
 987             infoPtr->nOldWidth = infoPtr->items[iItem].cxy;
 988             infoPtr->xTrackOffset = infoPtr->items[iItem].rect.right - pt.x;
 989
 990             if (!(wndPtr->dwStyle & HDS_FULLDRAG)) {
 991                 infoPtr->xOldTrack = infoPtr->items[iItem].rect.right;
 992                 hdc = GetDC32 (wndPtr->hwndSelf);
 993                 HEADER_DrawTrackLine (wndPtr, hdc, infoPtr->xOldTrack);
 994                 ReleaseDC32 (wndPtr->hwndSelf, hdc);
 995             }
 996
 997             TRACE (header, "Begin tracking item %d!\n", iItem);
 998         }
 999     }
1000
1001     return 0;
1002 }
1003
1004
1005 static LRESULT
1006 HEADER_LButtonUp (WND *wndPtr, WPARAM32 wParam, LPARAM lParam)
1007 {
1008     HEADER_INFO *infoPtr = HEADER_GetInfoPtr(wndPtr);
1009     POINT32 pt;
1010     UINT32  flags;
1011     INT32   iItem, nWidth;
1012     HDC32   hdc;
1013
1014     pt.x = (INT32)LOWORD(lParam);
1015     pt.y = (INT32)HIWORD(lParam);
1016     HEADER_InternalHitTest (wndPtr, &pt, &flags, &iItem);
1017
1018     if (infoPtr->bPressed) {
1019         if ((iItem == infoPtr->iMoveItem) && (flags == HHT_ONHEADER)) {
1020             infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
1021             hdc = GetDC32 (wndPtr->hwndSelf);
1022             HEADER_RefreshItem (wndPtr, hdc, infoPtr->iMoveItem);
1023             ReleaseDC32 (wndPtr->hwndSelf, hdc);
1024
1025             HEADER_SendClickNotify (wndPtr, HDN_ITEMCLICK32A, infoPtr->iMoveItem);
1026         }
1027         TRACE (header, "Released item %d!\n", infoPtr->iMoveItem);
1028         infoPtr->bPressed = FALSE;
1029     }
1030     else if (infoPtr->bTracking) {
1031         TRACE (header, "End tracking item %d!\n", infoPtr->iMoveItem);
1032         infoPtr->bTracking = FALSE;
1033
1034         HEADER_SendHeaderNotify (wndPtr, HDN_ENDTRACK32A, infoPtr->iMoveItem);
1035
1036         if (!(wndPtr->dwStyle & HDS_FULLDRAG)) {
1037             hdc = GetDC32 (wndPtr->hwndSelf);
1038             HEADER_DrawTrackLine (wndPtr, hdc, infoPtr->xOldTrack);
1039             ReleaseDC32 (wndPtr->hwndSelf, hdc);
1040             if (HEADER_SendHeaderNotify (wndPtr, HDN_ITEMCHANGING32A, infoPtr->iMoveItem))
1041                 infoPtr->items[infoPtr->iMoveItem].cxy = infoPtr->nOldWidth;
1042             else {
1043                 nWidth = pt.x - infoPtr->items[infoPtr->iMoveItem].rect.left +
1044                 infoPtr->xTrackOffset;
1045                 if (nWidth < 0)
1046                     nWidth = 0;
1047                 infoPtr->items[infoPtr->iMoveItem].cxy = nWidth;
1048                 HEADER_SendHeaderNotify (wndPtr, HDN_ITEMCHANGED32A, infoPtr->iMoveItem);
1049             }
1050
1051             HEADER_SetItemBounds (wndPtr);
1052             hdc = GetDC32 (wndPtr->hwndSelf);
1053             HEADER_Refresh (wndPtr, hdc);
1054             ReleaseDC32 (wndPtr->hwndSelf, hdc);
1055         }
1056     }
1057
1058     if (infoPtr->bCaptured) {
1059         infoPtr->bCaptured = FALSE;
1060         ReleaseCapture ();
1061         HEADER_SendSimpleNotify (wndPtr, NM_RELEASEDCAPTURE);
1062     }
1063
1064     return 0;
1065 }
1066
1067
1068 static LRESULT
1069 HEADER_MouseMove (WND *wndPtr, WPARAM32 wParam, LPARAM lParam)
1070 {
1071     HEADER_INFO *infoPtr = HEADER_GetInfoPtr(wndPtr);
1072     POINT32 pt;
1073     UINT32  flags;
1074     INT32   iItem, nWidth;
1075     HDC32   hdc;
1076
1077     pt.x = (INT32)LOWORD(lParam);
1078     pt.y = (INT32)HIWORD(lParam);
1079     HEADER_InternalHitTest (wndPtr, &pt, &flags, &iItem);
1080
1081     if ((wndPtr->dwStyle & HDS_BUTTONS) && (wndPtr->dwStyle & HDS_HOTTRACK)) {
1082         if (flags & (HHT_ONHEADER | HHT_ONDIVIDER | HHT_ONDIVOPEN))
1083             infoPtr->iHotItem = iItem;
1084         else
1085             infoPtr->iHotItem = -1;
1086         hdc = GetDC32 (wndPtr->hwndSelf);
1087         HEADER_Refresh (wndPtr, hdc);
1088         ReleaseDC32 (wndPtr->hwndSelf, hdc);
1089     }
1090
1091     if (infoPtr->bCaptured) {
1092         if (infoPtr->bPressed) {
1093             if ((iItem == infoPtr->iMoveItem) && (flags == HHT_ONHEADER))
1094                 infoPtr->items[infoPtr->iMoveItem].bDown = TRUE;
1095             else
1096                 infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
1097             hdc = GetDC32 (wndPtr->hwndSelf);
1098             HEADER_RefreshItem (wndPtr, hdc, infoPtr->iMoveItem);
1099             ReleaseDC32 (wndPtr->hwndSelf, hdc);
1100
1101             TRACE (header, "Moving pressed item %d!\n", infoPtr->iMoveItem);
1102         }
1103         else if (infoPtr->bTracking) {
1104             if (wndPtr->dwStyle & HDS_FULLDRAG) {
1105                 if (HEADER_SendHeaderNotify (wndPtr, HDN_ITEMCHANGING32A, infoPtr->iMoveItem))
1106                     infoPtr->items[infoPtr->iMoveItem].cxy = infoPtr->nOldWidth;
1107                 else {
1108                     nWidth = pt.x - infoPtr->items[infoPtr->iMoveItem].rect.left +
1109                     infoPtr->xTrackOffset;
1110                     if (nWidth < 0)
1111                         nWidth = 0;
1112                     infoPtr->items[infoPtr->iMoveItem].cxy = nWidth;
1113                     HEADER_SendHeaderNotify (wndPtr, HDN_ITEMCHANGED32A,
1114                                              infoPtr->iMoveItem);
1115                 }
1116                 HEADER_SetItemBounds (wndPtr);
1117                 hdc = GetDC32 (wndPtr->hwndSelf);
1118                 HEADER_Refresh (wndPtr, hdc);
1119                 ReleaseDC32 (wndPtr->hwndSelf, hdc);
1120             }
1121             else {
1122                 hdc = GetDC32 (wndPtr->hwndSelf);
1123                 HEADER_DrawTrackLine (wndPtr, hdc, infoPtr->xOldTrack);
1124                 infoPtr->xOldTrack = pt.x + infoPtr->xTrackOffset;
1125                 if (infoPtr->xOldTrack < infoPtr->items[infoPtr->iMoveItem].rect.left)
1126                     infoPtr->xOldTrack = infoPtr->items[infoPtr->iMoveItem].rect.left;
1127                 infoPtr->items[infoPtr->iMoveItem].cxy =
1128                     infoPtr->xOldTrack - infoPtr->items[infoPtr->iMoveItem].rect.left;
1129                 HEADER_DrawTrackLine (wndPtr, hdc, infoPtr->xOldTrack);
1130                 ReleaseDC32 (wndPtr->hwndSelf, hdc);
1131             }
1132
1133             HEADER_SendHeaderNotify (wndPtr, HDN_TRACK32A, infoPtr->iMoveItem);
1134             TRACE (header, "Tracking item %d!\n", infoPtr->iMoveItem);
1135         }
1136     }
1137
1138     if ((wndPtr->dwStyle & HDS_BUTTONS) && (wndPtr->dwStyle & HDS_HOTTRACK)) {
1139         FIXME (header, "hot track support!\n");
1140     }
1141
1142     return 0;
1143 }
1144
1145
1146 static LRESULT
1147 HEADER_Paint (WND *wndPtr, WPARAM32 wParam)
1148 {
1149     HDC32 hdc;
1150     PAINTSTRUCT32 ps;
1151
1152     hdc = wParam==0 ? BeginPaint32 (wndPtr->hwndSelf, &ps) : (HDC32)wParam;
1153     HEADER_Refresh (wndPtr, hdc);
1154     if(!wParam)
1155         EndPaint32 (wndPtr->hwndSelf, &ps);
1156     return 0;
1157 }
1158
1159
1160 static LRESULT
1161 HEADER_RButtonUp (WND *wndPtr, WPARAM32 wParam, LPARAM lParam)
1162 {
1163     return HEADER_SendSimpleNotify (wndPtr, NM_RCLICK);
1164 }
1165
1166
1167 static LRESULT
1168 HEADER_SetCursor (WND *wndPtr, WPARAM32 wParam, LPARAM lParam)
1169 {
1170     HEADER_INFO *infoPtr = HEADER_GetInfoPtr(wndPtr);
1171     POINT32 pt;
1172     UINT32  flags;
1173     INT32   iItem;
1174
1175     TRACE (header, "code=0x%X  id=0x%X\n", LOWORD(lParam), HIWORD(lParam));
1176
1177     GetCursorPos32 (&pt);
1178     ScreenToClient32 (wndPtr->hwndSelf, &pt);
1179
1180     HEADER_InternalHitTest (wndPtr, &pt, &flags, &iItem);
1181
1182     if (flags == HHT_ONDIVIDER)
1183         SetCursor32 (infoPtr->hcurDivider);
1184     else if (flags == HHT_ONDIVOPEN)
1185         SetCursor32 (infoPtr->hcurDivopen);
1186     else
1187         SetCursor32 (infoPtr->hcurArrow);
1188
1189     return 0;
1190 }
1191
1192
1193 static LRESULT
1194 HEADER_SetFont (WND *wndPtr, WPARAM32 wParam, LPARAM lParam)
1195 {
1196     HEADER_INFO *infoPtr = HEADER_GetInfoPtr(wndPtr);
1197     TEXTMETRIC32A tm;
1198     HFONT32 hFont, hOldFont;
1199     HDC32 hdc;
1200
1201     infoPtr->hFont = (HFONT32)wParam;
1202
1203     hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject32 (SYSTEM_FONT);
1204
1205     hdc = GetDC32 (0);
1206     hOldFont = SelectObject32 (hdc, hFont);
1207     GetTextMetrics32A (hdc, &tm);
1208     infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
1209     SelectObject32 (hdc, hOldFont);
1210     ReleaseDC32 (0, hdc);
1211
1212     if (lParam) {
1213         HEADER_ForceItemBounds (wndPtr, infoPtr->nHeight);
1214         hdc = GetDC32 (wndPtr->hwndSelf);
1215         HEADER_Refresh (wndPtr, hdc);
1216         ReleaseDC32 (wndPtr->hwndSelf, hdc);
1217     }
1218
1219     return 0;
1220 }
1221
1222
1223 LRESULT WINAPI
1224 HeaderWindowProc (HWND32 hwnd, UINT32 msg, WPARAM32 wParam, LPARAM lParam)
1225 {
1226     WND *wndPtr = WIN_FindWndPtr(hwnd);
1227
1228     switch (msg) {
1229         case HDM_CREATEDRAGIMAGE:
1230             return HEADER_CreateDragImage (wndPtr, wParam);
1231
1232         case HDM_DELETEITEM:
1233             return HEADER_DeleteItem (wndPtr, wParam);
1234
1235         case HDM_GETIMAGELIST:
1236             return HEADER_GetImageList (wndPtr);
1237
1238         case HDM_GETITEM32A:
1239             return HEADER_GetItem32A (wndPtr, wParam, lParam);
1240
1241         case HDM_GETITEMCOUNT:
1242             return HEADER_GetItemCount (wndPtr);
1243
1244         case HDM_GETITEMRECT:
1245             return HEADER_GetItemRect (wndPtr, wParam, lParam);
1246
1247         case HDM_HITTEST:
1248             return HEADER_HitTest (wndPtr, wParam, lParam);
1249
1250         case HDM_INSERTITEM32A:
1251             return HEADER_InsertItem32A (wndPtr, wParam, lParam);
1252
1253         case HDM_LAYOUT:
1254             return HEADER_Layout (wndPtr, wParam, lParam);
1255
1256         case HDM_SETIMAGELIST:
1257             return HEADER_SetImageList (wndPtr, wParam, lParam);
1258
1259         case HDM_SETITEM32A:
1260             return HEADER_SetItem32A (wndPtr, wParam, lParam);
1261
1262
1263         case WM_CREATE:
1264             return HEADER_Create (wndPtr, wParam, lParam);
1265
1266         case WM_DESTROY:
1267             return HEADER_Destroy (wndPtr, wParam, lParam);
1268
1269         case WM_ERASEBKGND:
1270             return 1;
1271
1272         case WM_GETDLGCODE:
1273             return DLGC_WANTTAB | DLGC_WANTARROWS;
1274
1275         case WM_GETFONT:
1276             return HEADER_GetFont (wndPtr);
1277
1278         case WM_LBUTTONDBLCLK:
1279             return HEADER_LButtonDblClk (wndPtr, wParam, lParam);
1280
1281         case WM_LBUTTONDOWN:
1282             return HEADER_LButtonDown (wndPtr, wParam, lParam);
1283
1284         case WM_LBUTTONUP:
1285             return HEADER_LButtonUp (wndPtr, wParam, lParam);
1286
1287         case WM_MOUSEMOVE:
1288             return HEADER_MouseMove (wndPtr, wParam, lParam);
1289
1290         case WM_PAINT:
1291             return HEADER_Paint (wndPtr, wParam);
1292
1293         case WM_RBUTTONUP:
1294             return HEADER_RButtonUp (wndPtr, wParam, lParam);
1295
1296         case WM_SETCURSOR:
1297             return HEADER_SetCursor (wndPtr, wParam, lParam);
1298
1299         case WM_SETFONT:
1300             return HEADER_SetFont (wndPtr, wParam, lParam);
1301
1302         default:
1303             if (msg >= WM_USER)
1304                 ERR (header, "unknown msg %04x wp=%04x lp=%08lx\n",
1305                      msg, wParam, lParam );
1306             return DefWindowProc32A (hwnd, msg, wParam, lParam);
1307     }
1308     return 0;
1309 }
1310
1311
1312 void HEADER_Register( void )
1313 {
1314     WNDCLASS32A wndClass;
1315
1316     if (GlobalFindAtom32A (WC_HEADER32A)) return;
1317
1318     ZeroMemory (&wndClass, sizeof(WNDCLASS32A));
1319     wndClass.style         = CS_GLOBALCLASS | CS_DBLCLKS;
1320     wndClass.lpfnWndProc   = (WNDPROC32)HeaderWindowProc;
1321     wndClass.cbClsExtra    = 0;
1322     wndClass.cbWndExtra    = sizeof(HEADER_INFO *);
1323     wndClass.hCursor       = LoadCursor32A (0, IDC_ARROW32A);
1324     wndClass.lpszClassName = WC_HEADER32A;
1325
1326     RegisterClass32A (&wndClass);
1327 }
1328