git.oblomov.eu Git - wine/blob - dlls/comctl32/header.c

   1 /*
   2  *  Header control
   3  *
   4  *  Copyright 1998 Eric Kohl
   5  *
   6  *  TODO:
   7  *   - Imagelist support (partially).
   8  *   - Callback items (under construction).
   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 "win.h"
  26 #include "debug.h"
  27
  28
  29 #define __HDM_LAYOUT_HACK__
  30
  31
  32 #define VERT_BORDER     4
  33 #define DIVIDER_WIDTH  10
  34
  35 #define HEADER_GetInfoPtr(wndPtr) ((HEADER_INFO *)wndPtr->wExtra[0])
  36
  37
  38 static INT32
  39 HEADER_DrawItem (WND *wndPtr, HDC32 hdc, INT32 iItem, BOOL32 bHotTrack)
  40 {
  41     HEADER_INFO *infoPtr = HEADER_GetInfoPtr(wndPtr);
  42     HEADER_ITEM *phdi = &infoPtr->items[iItem];
  43     RECT32 r;
  44     INT32  oldBkMode;
  45
  46     r = phdi->rect;
  47     if (r.right - r.left == 0)
  48         return phdi->rect.right;
  49
  50     if (wndPtr->dwStyle & HDS_BUTTONS) {
  51         if (phdi->bDown) {
  52             DrawEdge32 (hdc, &r, BDR_RAISEDOUTER,
  53                         BF_RECT | BF_FLAT | BF_MIDDLE | BF_ADJUST);
  54             r.left += 2;
  55             r.top  += 2;
  56         }
  57         else
  58             DrawEdge32 (hdc, &r, EDGE_RAISED,
  59                         BF_RECT | BF_SOFT | BF_MIDDLE | BF_ADJUST);
  60     }
  61     else
  62         DrawEdge32 (hdc, &r, EDGE_ETCHED, BF_BOTTOM | BF_RIGHT | BF_ADJUST);
  63
  64     if (phdi->fmt & HDF_OWNERDRAW) {
  65         DRAWITEMSTRUCT32 dis;
  66         dis.CtlType    = ODT_HEADER;
  67         dis.CtlID      = wndPtr->wIDmenu;
  68         dis.itemID     = iItem;
  69         dis.itemAction = ODA_DRAWENTIRE;
  70         dis.itemState  = phdi->bDown ? ODS_SELECTED : 0;
  71         dis.hwndItem   = wndPtr->hwndSelf;
  72         dis.hDC        = hdc;
  73         dis.rcItem     = r;
  74         dis.itemData   = phdi->lParam;
  75         SendMessage32A (GetParent32 (wndPtr->hwndSelf), WM_DRAWITEM,
  76                         (WPARAM32)wndPtr->wIDmenu, (LPARAM)&dis);
  77     }
  78     else {
  79         UINT32 uTextJustify = DT_LEFT;
  80
  81         if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_CENTER)
  82             uTextJustify = DT_CENTER;
  83         else if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_RIGHT)
  84             uTextJustify = DT_RIGHT;
  85
  86         if ((phdi->fmt & HDF_BITMAP) && (phdi->hbm)) {
  87             BITMAP32 bmp;
  88             HDC32    hdcBitmap;
  89             INT32    yD, yS, cx, cy, rx, ry;
  90
  91             GetObject32A (phdi->hbm, sizeof(BITMAP32), (LPVOID)&bmp);
  92
  93             ry = r.bottom - r.top;
  94             rx = r.right - r.left;
  95
  96             if (ry >= bmp.bmHeight) {
  97                 cy = bmp.bmHeight;
  98                 yD = r.top + (ry - bmp.bmHeight) / 2;
  99                 yS = 0;
 100             }
 101             else {
 102                 cy = ry;
 103                 yD = r.top;
 104                 yS = (bmp.bmHeight - ry) / 2;
 105
 106             }
 107
 108             if (rx >= bmp.bmWidth + 6) {
 109                 cx = bmp.bmWidth;
 110             }
 111             else {
 112                 cx = rx - 6;
 113             }
 114
 115             hdcBitmap = CreateCompatibleDC32 (hdc);
 116             SelectObject32 (hdcBitmap, phdi->hbm);
 117             BitBlt32 (hdc, r.left + 3, yD, cx, cy, hdcBitmap, 0, yS, SRCCOPY);
 118             DeleteDC32 (hdcBitmap);
 119
 120             r.left += (bmp.bmWidth + 3);
 121         }
 122
 123
 124         if ((phdi->fmt & HDF_BITMAP_ON_RIGHT) && (phdi->hbm)) {
 125             BITMAP32 bmp;
 126             HDC32    hdcBitmap;
 127             INT32    xD, yD, yS, cx, cy, rx, ry, tx;
 128             RECT32   textRect;
 129
 130             GetObject32A (phdi->hbm, sizeof(BITMAP32), (LPVOID)&bmp);
 131
 132             textRect = r;
 133             DrawText32A(hdc, phdi->pszText, lstrlen32A(phdi->pszText),
 134                   &textRect, DT_LEFT|DT_VCENTER|DT_SINGLELINE|DT_CALCRECT);
 135             tx = textRect.right - textRect.left;
 136             ry = r.bottom - r.top;
 137             rx = r.right - r.left;
 138
 139             if (ry >= bmp.bmHeight) {
 140                 cy = bmp.bmHeight;
 141                 yD = r.top + (ry - bmp.bmHeight) / 2;
 142                 yS = 0;
 143             }
 144             else {
 145                 cy = ry;
 146                 yD = r.top;
 147                 yS = (bmp.bmHeight - ry) / 2;
 148
 149             }
 150
 151             if (r.left + tx + bmp.bmWidth + 9 <= r.right) {
 152                 cx = bmp.bmWidth;
 153                 xD = r.left + tx + 6;
 154             }
 155             else {
 156                 if (rx >= bmp.bmWidth + 6) {
 157                     cx = bmp.bmWidth;
 158                     xD = r.right - bmp.bmWidth - 3;
 159                     r.right = xD - 3;
 160                 }
 161                 else {
 162                     cx = rx - 3;
 163                     xD = r.left;
 164                     r.right = r.left;
 165                 }
 166             }
 167
 168             hdcBitmap = CreateCompatibleDC32 (hdc);
 169             SelectObject32 (hdcBitmap, phdi->hbm);
 170             BitBlt32 (hdc, xD, yD, cx, cy, hdcBitmap, 0, yS, SRCCOPY);
 171             DeleteDC32 (hdcBitmap);
 172         }
 173
 174         if (phdi->fmt & HDF_IMAGE) {
 175
 176
 177 //          ImageList_Draw (infoPtr->himl, phdi->iImage,...);
 178         }
 179
 180         if ((phdi->fmt & HDF_STRING) && (phdi->pszText)) {
 181             oldBkMode = SetBkMode32(hdc, TRANSPARENT);
 182             r.left += 3;
 183             r.right -= 3;
 184             SetTextColor32 (hdc, bHotTrack ? COLOR_HIGHLIGHT : COLOR_BTNTEXT);
 185             DrawText32A(hdc, phdi->pszText, lstrlen32A(phdi->pszText),
 186                   &r, uTextJustify|DT_VCENTER|DT_SINGLELINE);
 187             if (oldBkMode != TRANSPARENT)
 188                 SetBkMode32(hdc, oldBkMode);
 189         }
 190     }
 191     return phdi->rect.right;
 192 }
 193
 194
 195 static void
 196 HEADER_Refresh (WND *wndPtr, HDC32 hdc)
 197 {
 198     HEADER_INFO *infoPtr = HEADER_GetInfoPtr(wndPtr);
 199     HFONT32 hFont, hOldFont;
 200     RECT32 rect;
 201     HBRUSH32 hbrBk;
 202     INT32 i, x;
 203
 204     /* get rect for the bar, adjusted for the border */
 205     GetClientRect32 (wndPtr->hwndSelf, &rect);
 206
 207     hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject32 (SYSTEM_FONT);
 208     hOldFont = SelectObject32 (hdc, hFont);
 209
 210     /* draw Background */
 211     hbrBk = GetSysColorBrush32(COLOR_3DFACE);
 212     FillRect32(hdc, &rect, hbrBk);
 213
 214     x = rect.left;
 215     for (i = 0; i < infoPtr->uNumItem; i++) {
 216         x = HEADER_DrawItem (wndPtr, hdc, i, FALSE);
 217     }
 218
 219     if ((x <= rect.right) && (infoPtr->uNumItem > 0)) {
 220         rect.left = x;
 221         if (wndPtr->dwStyle & HDS_BUTTONS)
 222             DrawEdge32 (hdc, &rect, EDGE_RAISED, BF_TOP|BF_LEFT|BF_BOTTOM|BF_SOFT);
 223         else
 224             DrawEdge32 (hdc, &rect, EDGE_ETCHED, BF_BOTTOM);
 225     }
 226
 227     SelectObject32 (hdc, hOldFont);
 228 }
 229
 230
 231 static void
 232 HEADER_RefreshItem (WND *wndPtr, HDC32 hdc, INT32 iItem)
 233 {
 234     HEADER_INFO *infoPtr = HEADER_GetInfoPtr(wndPtr);
 235     HFONT32 hFont, hOldFont;
 236
 237     hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject32 (SYSTEM_FONT);
 238     hOldFont = SelectObject32 (hdc, hFont);
 239     HEADER_DrawItem (wndPtr, hdc, iItem, FALSE);
 240     SelectObject32 (hdc, hOldFont);
 241 }
 242
 243
 244 static void
 245 HEADER_SetItemBounds (WND *wndPtr)
 246 {
 247     HEADER_INFO *infoPtr = HEADER_GetInfoPtr(wndPtr);
 248     HEADER_ITEM *phdi;
 249     RECT32 rect;
 250     int i, x;
 251
 252     if (infoPtr->uNumItem == 0)
 253         return;
 254
 255     GetClientRect32 (wndPtr->hwndSelf, &rect);
 256
 257     x = rect.left;
 258     for (i = 0; i < infoPtr->uNumItem; i++) {
 259         phdi = &infoPtr->items[i];
 260         phdi->rect.top = rect.top;
 261         phdi->rect.bottom = rect.bottom;
 262         phdi->rect.left = x;
 263         phdi->rect.right = phdi->rect.left + phdi->cxy;
 264         x = phdi->rect.right;
 265     }
 266 }
 267
 268
 269 static void
 270 HEADER_ForceItemBounds (WND *wndPtr, INT32 cy)
 271 {
 272     HEADER_INFO *infoPtr = HEADER_GetInfoPtr(wndPtr);
 273     HEADER_ITEM *phdi;
 274     int i, x;
 275
 276     if (infoPtr->uNumItem == 0)
 277         return;
 278
 279     x = 0;
 280     for (i = 0; i < infoPtr->uNumItem; i++) {
 281         phdi = &infoPtr->items[i];
 282         phdi->rect.top = 0;
 283         phdi->rect.bottom = cy;
 284         phdi->rect.left = x;
 285         phdi->rect.right = phdi->rect.left + phdi->cxy;
 286         x = phdi->rect.right;
 287     }
 288 }
 289
 290
 291 static void
 292 HEADER_InternalHitTest (WND *wndPtr, LPPOINT32 lpPt, UINT32 *pFlags, INT32 *pItem)
 293 {
 294     HEADER_INFO *infoPtr = HEADER_GetInfoPtr(wndPtr);
 295     RECT32 rect, rcTest;
 296     INT32  iCount, width;
 297     BOOL32 bNoWidth;
 298
 299     GetClientRect32 (wndPtr->hwndSelf, &rect);
 300
 301     *pFlags = 0;
 302     bNoWidth = FALSE;
 303     if (PtInRect32 (&rect, *lpPt))
 304     {
 305         if (infoPtr->uNumItem == 0) {
 306             *pFlags |= HHT_NOWHERE;
 307             *pItem = 1;
 308             TRACE (header, "NOWHERE\n");
 309             return;
 310         }
 311         else {
 312             /* somewhere inside */
 313             for (iCount = 0; iCount < infoPtr->uNumItem; iCount++) {
 314                 rect = infoPtr->items[iCount].rect;
 315                 width = rect.right - rect.left;
 316                 if (width == 0) {
 317                     bNoWidth = TRUE;
 318                     continue;
 319                 }
 320                 if (PtInRect32 (&rect, *lpPt)) {
 321                     if (width <= 2 * DIVIDER_WIDTH) {
 322                         *pFlags |= HHT_ONHEADER;
 323                         *pItem = iCount;
 324                         TRACE (header, "ON HEADER %d\n", iCount);
 325                         return;
 326                     }
 327                     if (iCount > 0) {
 328                         rcTest = rect;
 329                         rcTest.right = rcTest.left + DIVIDER_WIDTH;
 330                         if (PtInRect32 (&rcTest, *lpPt)) {
 331                             if (bNoWidth) {
 332                                 *pFlags |= HHT_ONDIVOPEN;
 333                                 *pItem = iCount - 1;
 334                                 TRACE (header, "ON DIVOPEN %d\n", *pItem);
 335                                 return;
 336                             }
 337                             else {
 338                                 *pFlags |= HHT_ONDIVIDER;
 339                                 *pItem = iCount - 1;
 340                                 TRACE (header, "ON DIVIDER %d\n", *pItem);
 341                                 return;
 342                             }
 343                         }
 344                     }
 345                     rcTest = rect;
 346                     rcTest.left = rcTest.right - DIVIDER_WIDTH;
 347                     if (PtInRect32 (&rcTest, *lpPt)) {
 348                         *pFlags |= HHT_ONDIVIDER;
 349                         *pItem = iCount;
 350                         TRACE (header, "ON DIVIDER %d\n", *pItem);
 351                         return;
 352                     }
 353
 354                     *pFlags |= HHT_ONHEADER;
 355                     *pItem = iCount;
 356                     TRACE (header, "ON HEADER %d\n", iCount);
 357                     return;
 358                 }
 359             }
 360
 361             /* check for last divider part (on nowhere) */
 362             rect = infoPtr->items[infoPtr->uNumItem-1].rect;
 363             rect.left = rect.right;
 364             rect.right += DIVIDER_WIDTH;
 365             if (PtInRect32 (&rect, *lpPt)) {
 366                 if (bNoWidth) {
 367                     *pFlags |= HHT_ONDIVOPEN;
 368                     *pItem = infoPtr->uNumItem - 1;
 369                     TRACE (header, "ON DIVOPEN %d\n", *pItem);
 370                     return;
 371                 }
 372                 else {
 373                     *pFlags |= HHT_ONDIVIDER;
 374                     *pItem = infoPtr->uNumItem-1;
 375                     TRACE (header, "ON DIVIDER %d\n", *pItem);
 376                     return;
 377                 }
 378             }
 379
 380             *pFlags |= HHT_NOWHERE;
 381             *pItem = 1;
 382             TRACE (header, "NOWHERE\n");
 383             return;
 384         }
 385     }
 386     else {
 387         if (lpPt->x < rect.left) {
 388            TRACE (header, "TO LEFT\n");
 389            *pFlags |= HHT_TOLEFT;
 390         }
 391         else if (lpPt->x > rect.right) {
 392             TRACE (header, "TO LEFT\n");
 393             *pFlags |= HHT_TORIGHT;
 394         }
 395
 396         if (lpPt->y < rect.top) {
 397             TRACE (header, "ABOVE\n");
 398             *pFlags |= HHT_ABOVE;
 399         }
 400         else if (lpPt->y > rect.bottom) {
 401             TRACE (header, "BELOW\n");
 402             *pFlags |= HHT_BELOW;
 403         }
 404     }
 405
 406     *pItem = 1;
 407     TRACE (header, "flags=0x%X\n", *pFlags);
 408     return;
 409 }
 410
 411
 412 static void
 413 HEADER_DrawTrackLine (WND *wndPtr, HDC32 hdc, INT32 x)
 414 {
 415     RECT32 rect;
 416     HPEN32 hOldPen;
 417     INT32  oldRop;
 418
 419     GetClientRect32 (wndPtr->hwndSelf, &rect);
 420
 421     hOldPen = SelectObject32 (hdc, GetStockObject32 (BLACK_PEN));
 422     oldRop = SetROP232 (hdc, R2_XORPEN);
 423     MoveToEx32 (hdc, x, rect.top, NULL);
 424     LineTo32 (hdc, x, rect.bottom);
 425     SetROP232 (hdc, oldRop);
 426     SelectObject32 (hdc, hOldPen);
 427 }
 428
 429
 430 static BOOL32
 431 HEADER_SendSimpleNotify (WND *wndPtr, UINT32 code)
 432 {
 433     NMHDR nmhdr;
 434
 435     nmhdr.hwndFrom = wndPtr->hwndSelf;
 436     nmhdr.idFrom   = wndPtr->wIDmenu;
 437     nmhdr.code     = code;
 438
 439     return (BOOL32)SendMessage32A (GetParent32 (wndPtr->hwndSelf), WM_NOTIFY,
 440                                    (WPARAM32)nmhdr.idFrom, (LPARAM)&nmhdr);
 441 }
 442
 443
 444 static BOOL32
 445 HEADER_SendHeaderNotify (WND *wndPtr, UINT32 code, INT32 iItem)
 446 {
 447     HEADER_INFO *infoPtr = HEADER_GetInfoPtr(wndPtr);
 448     NMHEADER32A nmhdr;
 449     HDITEM32A nmitem;
 450
 451     nmhdr.hdr.hwndFrom = wndPtr->hwndSelf;
 452     nmhdr.hdr.idFrom = wndPtr->wIDmenu;
 453     nmhdr.hdr.code = code;
 454     nmhdr.iItem = iItem;
 455     nmhdr.iButton = 0;
 456     nmhdr.pitem = &nmitem;
 457     nmitem.mask = 0;
 458     nmitem.cxy = infoPtr->items[iItem].cxy;
 459     nmitem.hbm = infoPtr->items[iItem].hbm;
 460     nmitem.pszText = NULL;
 461     nmitem.cchTextMax = 0;
 462 //    nmitem.pszText = infoPtr->items[iItem].pszText;
 463 //    nmitem.cchTextMax = infoPtr->items[iItem].cchTextMax;
 464     nmitem.fmt = infoPtr->items[iItem].fmt;
 465     nmitem.lParam = infoPtr->items[iItem].lParam;
 466     nmitem.iOrder = infoPtr->items[iItem].iOrder;
 467     nmitem.iImage = infoPtr->items[iItem].iImage;
 468
 469     return (BOOL32)SendMessage32A (GetParent32 (wndPtr->hwndSelf), WM_NOTIFY,
 470                                    (WPARAM32)wndPtr->wIDmenu, (LPARAM)&nmhdr);
 471 }
 472
 473
 474 static BOOL32
 475 HEADER_SendClickNotify (WND *wndPtr, UINT32 code, INT32 iItem)
 476 {
 477     NMHEADER32A nmhdr;
 478
 479     nmhdr.hdr.hwndFrom = wndPtr->hwndSelf;
 480     nmhdr.hdr.idFrom = wndPtr->wIDmenu;
 481     nmhdr.hdr.code = code;
 482     nmhdr.iItem = iItem;
 483     nmhdr.iButton = 0;
 484     nmhdr.pitem = NULL;
 485
 486     return (BOOL32)SendMessage32A (GetParent32 (wndPtr->hwndSelf), WM_NOTIFY,
 487                                    (WPARAM32)wndPtr->wIDmenu, (LPARAM)&nmhdr);
 488 }
 489
 490
 491 static LRESULT
 492 HEADER_CreateDragImage (WND *wndPtr, WPARAM32 wParam)
 493 {
 494     FIXME (header, "empty stub!\n");
 495     return 0;
 496 }
 497
 498
 499 static LRESULT
 500 HEADER_DeleteItem (WND *wndPtr, WPARAM32 wParam)
 501 {
 502     HEADER_INFO *infoPtr = HEADER_GetInfoPtr(wndPtr);
 503     INT32 iItem = (INT32)wParam;
 504     HDC32 hdc;
 505
 506     TRACE(header, "[iItem=%d]\n", iItem);
 507
 508     if ((iItem < 0) || (iItem >= (INT32)infoPtr->uNumItem))
 509         return FALSE;
 510
 511     if (infoPtr->uNumItem == 1) {
 512         TRACE(header, "Simple delete!\n");
 513         if (infoPtr->items[0].pszText)
 514             COMCTL32_Free (infoPtr->items[0].pszText);
 515         COMCTL32_Free (infoPtr->items);
 516         infoPtr->items = 0;
 517         infoPtr->uNumItem = 0;
 518     }
 519     else {
 520         HEADER_ITEM *oldItems = infoPtr->items;
 521         TRACE(header, "Complex delete! [iItem=%d]\n", iItem);
 522
 523         if (infoPtr->items[iItem].pszText)
 524             COMCTL32_Free (infoPtr->items[iItem].pszText);
 525
 526         infoPtr->uNumItem--;
 527         infoPtr->items = COMCTL32_Alloc (sizeof (HEADER_ITEM) * infoPtr->uNumItem);
 528         /* pre delete copy */
 529         if (iItem > 0) {
 530             memcpy (&infoPtr->items[0], &oldItems[0],
 531                     iItem * sizeof(HEADER_ITEM));
 532         }
 533
 534         /* post delete copy */
 535         if (iItem < infoPtr->uNumItem) {
 536             memcpy (&infoPtr->items[iItem], &oldItems[iItem+1],
 537                     (infoPtr->uNumItem - iItem) * sizeof(HEADER_ITEM));
 538         }
 539
 540         COMCTL32_Free (oldItems);
 541     }
 542
 543     HEADER_SetItemBounds (wndPtr);
 544
 545     hdc = GetDC32 (wndPtr->hwndSelf);
 546     HEADER_Refresh (wndPtr, hdc);
 547     ReleaseDC32 (wndPtr->hwndSelf, hdc);
 548
 549     return TRUE;
 550 }
 551
 552
 553 static LRESULT
 554 HEADER_GetImageList (WND *wndPtr)
 555 {
 556     HEADER_INFO *infoPtr = HEADER_GetInfoPtr(wndPtr);
 557
 558     return (LRESULT)infoPtr->himl;
 559 }
 560
 561
 562 static LRESULT
 563 HEADER_GetItem32A (WND *wndPtr, WPARAM32 wParam, LPARAM lParam)
 564 {
 565     HEADER_INFO *infoPtr = HEADER_GetInfoPtr(wndPtr);
 566     HDITEM32A   *phdi = (HDITEM32A*)lParam;
 567     INT32       nItem = (INT32)wParam;
 568     HEADER_ITEM *lpItem;
 569
 570     if (!phdi)
 571         return FALSE;
 572     if ((nItem < 0) || (nItem >= (INT32)infoPtr->uNumItem))
 573         return FALSE;
 574
 575     TRACE (header, "[nItem=%d]\n", nItem);
 576
 577     if (phdi->mask == 0)
 578         return TRUE;
 579
 580     lpItem = (HEADER_ITEM*)&infoPtr->items[nItem];
 581     if (phdi->mask & HDI_BITMAP)
 582         phdi->hbm = lpItem->hbm;
 583
 584     if (phdi->mask & HDI_FORMAT)
 585         phdi->fmt = lpItem->fmt;
 586
 587     if (phdi->mask & HDI_WIDTH)
 588         phdi->cxy = lpItem->cxy;
 589
 590     if (phdi->mask & HDI_LPARAM)
 591         phdi->lParam = lpItem->lParam;
 592
 593     if (phdi->mask & HDI_TEXT) {
 594         if (lpItem->pszText != LPSTR_TEXTCALLBACK32A)
 595             lstrcpyn32A (phdi->pszText, lpItem->pszText, phdi->cchTextMax);
 596         else
 597             phdi->pszText = LPSTR_TEXTCALLBACK32A;
 598     }
 599
 600     if (phdi->mask & HDI_IMAGE)
 601         phdi->iImage = lpItem->iImage;
 602
 603     if (phdi->mask & HDI_ORDER)
 604         phdi->iOrder = lpItem->iOrder;
 605
 606     return TRUE;
 607 }
 608
 609
 610 static LRESULT
 611 HEADER_GetItemCount (WND *wndPtr)
 612 {
 613     HEADER_INFO *infoPtr = HEADER_GetInfoPtr(wndPtr);
 614
 615     return (infoPtr->uNumItem);
 616 }
 617
 618
 619 static LRESULT
 620 HEADER_GetItemRect (WND *wndPtr, WPARAM32 wParam, LPARAM lParam)
 621 {
 622     HEADER_INFO *infoPtr = HEADER_GetInfoPtr(wndPtr);
 623     INT32 iItem = (INT32)wParam;
 624     LPRECT32 lpRect = (LPRECT32)lParam;
 625
 626     if ((iItem < 0) || (iItem >= (INT32)infoPtr->uNumItem))
 627         return FALSE;
 628
 629     lpRect->left   = infoPtr->items[iItem].rect.left;
 630     lpRect->right  = infoPtr->items[iItem].rect.right;
 631     lpRect->top    = infoPtr->items[iItem].rect.top;
 632     lpRect->bottom = infoPtr->items[iItem].rect.bottom;
 633
 634     return TRUE;
 635 }
 636
 637
 638 static LRESULT
 639 HEADER_HitTest (WND *wndPtr, WPARAM32 wParam, LPARAM lParam)
 640 {
 641     LPHDHITTESTINFO phti = (LPHDHITTESTINFO)lParam;
 642
 643     HEADER_InternalHitTest (wndPtr, &phti->pt, &phti->flags, &phti->iItem);
 644
 645     return phti->flags;
 646 }
 647
 648
 649 static LRESULT
 650 HEADER_InsertItem32A (WND *wndPtr, WPARAM32 wParam, LPARAM lParam)
 651 {
 652     HEADER_INFO *infoPtr = HEADER_GetInfoPtr(wndPtr);
 653     HDITEM32A   *phdi = (HDITEM32A*)lParam;
 654     INT32       nItem = (INT32)wParam;
 655     HEADER_ITEM *lpItem;
 656     HDC32       hdc;
 657     INT32       len;
 658
 659     if ((phdi == NULL) || (nItem < 0))
 660         return -1;
 661
 662     if (nItem > infoPtr->uNumItem)
 663         nItem = infoPtr->uNumItem;
 664
 665     if (infoPtr->uNumItem == 0) {
 666         infoPtr->items = COMCTL32_Alloc (sizeof (HEADER_ITEM));
 667         infoPtr->uNumItem++;
 668     }
 669     else {
 670         HEADER_ITEM *oldItems = infoPtr->items;
 671
 672         infoPtr->uNumItem++;
 673         infoPtr->items = COMCTL32_Alloc (sizeof (HEADER_ITEM) * infoPtr->uNumItem);
 674         /* pre insert copy */
 675         if (nItem > 0) {
 676             memcpy (&infoPtr->items[0], &oldItems[0],
 677                     nItem * sizeof(HEADER_ITEM));
 678         }
 679
 680         /* post insert copy */
 681         if (nItem < infoPtr->uNumItem - 1) {
 682             memcpy (&infoPtr->items[nItem+1], &oldItems[nItem],
 683                     (infoPtr->uNumItem - nItem) * sizeof(HEADER_ITEM));
 684         }
 685
 686         COMCTL32_Free (oldItems);
 687     }
 688
 689     lpItem = (HEADER_ITEM*)&infoPtr->items[nItem];
 690     lpItem->bDown = FALSE;
 691
 692     if (phdi->mask & HDI_WIDTH)
 693         lpItem->cxy = phdi->cxy;
 694
 695     if (phdi->mask & HDI_TEXT) {
 696         if (phdi->pszText != LPSTR_TEXTCALLBACK32A) {
 697             len = lstrlen32A (phdi->pszText);
 698             lpItem->pszText = COMCTL32_Alloc (len+1);
 699             lstrcpy32A (lpItem->pszText, phdi->pszText);
 700         }
 701         else
 702             lpItem->pszText = LPSTR_TEXTCALLBACK32A;
 703     }
 704
 705     if (phdi->mask & HDI_FORMAT)
 706         lpItem->fmt = phdi->fmt;
 707
 708     if (lpItem->fmt == 0)
 709         lpItem->fmt = HDF_LEFT;
 710
 711     if (phdi->mask & HDI_BITMAP)
 712         lpItem->hbm = phdi->hbm;
 713
 714     if (phdi->mask & HDI_LPARAM)
 715         lpItem->lParam = phdi->lParam;
 716
 717     if (phdi->mask & HDI_IMAGE)
 718         lpItem->iImage = phdi->iImage;
 719
 720     if (phdi->mask & HDI_ORDER)
 721         lpItem->iOrder = phdi->iOrder;
 722
 723     HEADER_SetItemBounds (wndPtr);
 724
 725     hdc = GetDC32 (wndPtr->hwndSelf);
 726     HEADER_Refresh (wndPtr, hdc);
 727     ReleaseDC32 (wndPtr->hwndSelf, hdc);
 728
 729     return nItem;
 730 }
 731
 732
 733 static LRESULT
 734 HEADER_Layout (WND *wndPtr, WPARAM32 wParam, LPARAM lParam)
 735 {
 736     HEADER_INFO *infoPtr = HEADER_GetInfoPtr(wndPtr);
 737     LPHDLAYOUT lpLayout = (LPHDLAYOUT)lParam;
 738
 739     lpLayout->pwpos->hwnd = wndPtr->hwndSelf;
 740     lpLayout->pwpos->hwndInsertAfter = 0;
 741     lpLayout->pwpos->x = lpLayout->prc->left;
 742     lpLayout->pwpos->y = lpLayout->prc->top;
 743     lpLayout->pwpos->cx = lpLayout->prc->right - lpLayout->prc->left;
 744     if (wndPtr->dwStyle & HDS_HIDDEN)
 745         lpLayout->pwpos->cy = 0;
 746     else
 747         lpLayout->pwpos->cy = infoPtr->nHeight;
 748     lpLayout->pwpos->flags = SWP_NOZORDER;
 749
 750     TRACE (header, "Layout x=%d y=%d cx=%d cy=%d\n",
 751            lpLayout->pwpos->x, lpLayout->pwpos->y,
 752            lpLayout->pwpos->cx, lpLayout->pwpos->cy);
 753
 754     HEADER_ForceItemBounds (wndPtr, lpLayout->pwpos->cy);
 755
 756     /* hack */
 757 #ifdef __HDM_LAYOUT_HACK__
 758     MoveWindow32 (lpLayout->pwpos->hwnd, lpLayout->pwpos->x, lpLayout->pwpos->y,
 759                   lpLayout->pwpos->cx, lpLayout->pwpos->cy, TRUE);
 760 #endif
 761
 762     return TRUE;
 763 }
 764
 765
 766 static LRESULT
 767 HEADER_SetImageList (WND *wndPtr, WPARAM32 wParam, LPARAM lParam)
 768 {
 769     HEADER_INFO *infoPtr = HEADER_GetInfoPtr(wndPtr);
 770     HIMAGELIST himlOld;
 771
 772     himlOld = infoPtr->himl;
 773     infoPtr->himl = (HIMAGELIST)lParam;
 774
 775     /* FIXME: Refresh needed??? */
 776
 777     return (LRESULT)himlOld;
 778 }
 779
 780
 781 static LRESULT
 782 HEADER_SetItem32A (WND *wndPtr, WPARAM32 wParam, LPARAM lParam)
 783 {
 784     HEADER_INFO *infoPtr = HEADER_GetInfoPtr(wndPtr);
 785     HDITEM32A *phdi = (HDITEM32A*)lParam;
 786     INT32 nItem = (INT32)wParam;
 787     HEADER_ITEM *lpItem;
 788     HDC32 hdc;
 789
 790     if (phdi == NULL)
 791         return FALSE;
 792     if ((nItem < 0) || (nItem >= (INT32)infoPtr->uNumItem))
 793         return FALSE;
 794
 795     TRACE (header, "[nItem=%d]\n", nItem);
 796
 797     if (HEADER_SendHeaderNotify (wndPtr, HDN_ITEMCHANGING32A, nItem))
 798         return FALSE;
 799
 800     lpItem = (HEADER_ITEM*)&infoPtr->items[nItem];
 801     if (phdi->mask & HDI_BITMAP)
 802         lpItem->hbm = phdi->hbm;
 803
 804     if (phdi->mask & HDI_FORMAT)
 805         lpItem->fmt = phdi->fmt;
 806
 807     if (phdi->mask & HDI_LPARAM)
 808         lpItem->lParam = phdi->lParam;
 809
 810     if (phdi->mask & HDI_TEXT) {
 811         if (phdi->pszText != LPSTR_TEXTCALLBACK32A) {
 812             INT32 len = lstrlen32A (phdi->pszText);
 813             if (lpItem->pszText)
 814                 COMCTL32_Free (lpItem->pszText);
 815             lpItem->pszText = COMCTL32_Alloc (len+1);
 816             lstrcpy32A (lpItem->pszText, phdi->pszText);
 817         }
 818         else
 819             lpItem->pszText = LPSTR_TEXTCALLBACK32A;
 820     }
 821
 822     if (phdi->mask & HDI_WIDTH)
 823         lpItem->cxy = phdi->cxy;
 824
 825     if (phdi->mask & HDI_IMAGE)
 826         lpItem->iImage = phdi->iImage;
 827
 828     if (phdi->mask & HDI_ORDER)
 829         lpItem->iOrder = phdi->iOrder;
 830
 831     HEADER_SendHeaderNotify (wndPtr, HDN_ITEMCHANGED32A, nItem);
 832
 833     HEADER_SetItemBounds (wndPtr);
 834     hdc = GetDC32 (wndPtr->hwndSelf);
 835     HEADER_Refresh (wndPtr, hdc);
 836     ReleaseDC32 (wndPtr->hwndSelf, hdc);
 837
 838     return TRUE;
 839 }
 840
 841
 842 static LRESULT
 843 HEADER_Create (WND *wndPtr, WPARAM32 wParam, LPARAM lParam)
 844 {
 845     HEADER_INFO *infoPtr;
 846     TEXTMETRIC32A tm;
 847     HFONT32 hOldFont;
 848     HDC32   hdc;
 849
 850     infoPtr = (HEADER_INFO *)COMCTL32_Alloc (sizeof(HEADER_INFO));
 851     wndPtr->wExtra[0] = (DWORD)infoPtr;
 852
 853     infoPtr->uNumItem = 0;
 854     infoPtr->nHeight = 20;
 855     infoPtr->hFont = 0;
 856     infoPtr->items = 0;
 857     infoPtr->hcurArrow = LoadCursor32A (0, IDC_ARROW32A);
 858     infoPtr->hcurDivider = LoadCursor32A (0, IDC_SIZEWE32A);
 859     infoPtr->hcurDivopen = LoadCursor32A (0, IDC_SIZENS32A);
 860     infoPtr->bPressed  = FALSE;
 861     infoPtr->bTracking = FALSE;
 862     infoPtr->iMoveItem = 0;
 863     infoPtr->himl = 0;
 864     infoPtr->iHotItem = -1;
 865
 866     hdc = GetDC32 (0);
 867     hOldFont = SelectObject32 (hdc, GetStockObject32 (SYSTEM_FONT));
 868     GetTextMetrics32A (hdc, &tm);
 869     infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
 870     SelectObject32 (hdc, hOldFont);
 871     ReleaseDC32 (0, hdc);
 872
 873     return 0;
 874 }
 875
 876
 877 static LRESULT
 878 HEADER_Destroy (WND *wndPtr, WPARAM32 wParam, LPARAM lParam)
 879 {
 880     HEADER_INFO *infoPtr = HEADER_GetInfoPtr(wndPtr);
 881     HEADER_ITEM *lpItem;
 882     INT32 nItem;
 883
 884     if (infoPtr->items) {
 885         lpItem = (HEADER_ITEM*)infoPtr->items;
 886         for (nItem = 0; nItem < infoPtr->uNumItem; nItem++, lpItem++) {
 887             if ((lpItem->pszText) && (lpItem->pszText != LPSTR_TEXTCALLBACK32A))
 888                 COMCTL32_Free (lpItem->pszText);
 889         }
 890         COMCTL32_Free (infoPtr->items);
 891     }
 892
 893     if (infoPtr->himl)
 894         ImageList_Destroy (infoPtr->himl);
 895
 896     COMCTL32_Free (infoPtr);
 897
 898     return 0;
 899 }
 900
 901
 902 static __inline__ LRESULT
 903 HEADER_GetFont (WND *wndPtr)
 904 {
 905     HEADER_INFO *infoPtr = HEADER_GetInfoPtr(wndPtr);
 906
 907     return (LRESULT)infoPtr->hFont;
 908 }
 909
 910
 911 static LRESULT
 912 HEADER_LButtonDblClk (WND *wndPtr, WPARAM32 wParam, LPARAM lParam)
 913 {
 914     POINT32 pt;
 915     UINT32  flags;
 916     INT32   nItem;
 917
 918     pt.x = (INT32)LOWORD(lParam);
 919     pt.y = (INT32)HIWORD(lParam);
 920     HEADER_InternalHitTest (wndPtr, &pt, &flags, &nItem);
 921
 922     if ((wndPtr->dwStyle & HDS_BUTTONS) && (flags == HHT_ONHEADER))
 923         HEADER_SendHeaderNotify (wndPtr, HDN_ITEMDBLCLICK32A, nItem);
 924     else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN))
 925         HEADER_SendHeaderNotify (wndPtr, HDN_DIVIDERDBLCLICK32A, nItem);
 926
 927     return 0;
 928 }
 929
 930
 931 static LRESULT
 932 HEADER_LButtonDown (WND *wndPtr, WPARAM32 wParam, LPARAM lParam)
 933 {
 934     HEADER_INFO *infoPtr = HEADER_GetInfoPtr(wndPtr);
 935     POINT32 pt;
 936     UINT32  flags;
 937     INT32   nItem;
 938     HDC32   hdc;
 939
 940     pt.x = (INT32)LOWORD(lParam);
 941     pt.y = (INT32)HIWORD(lParam);
 942     HEADER_InternalHitTest (wndPtr, &pt, &flags, &nItem);
 943
 944     if ((wndPtr->dwStyle & HDS_BUTTONS) && (flags == HHT_ONHEADER)) {
 945         SetCapture32 (wndPtr->hwndSelf);
 946         infoPtr->bCaptured = TRUE;
 947         infoPtr->bPressed  = TRUE;
 948         infoPtr->iMoveItem = nItem;
 949
 950         infoPtr->items[nItem].bDown = TRUE;
 951
 952         /* Send WM_CUSTOMDRAW */
 953         hdc = GetDC32 (wndPtr->hwndSelf);
 954         HEADER_RefreshItem (wndPtr, hdc, nItem);
 955         ReleaseDC32 (wndPtr->hwndSelf, hdc);
 956
 957         TRACE (header, "Pressed item %d!\n", nItem);
 958     }
 959     else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN)) {
 960         if (!(HEADER_SendHeaderNotify (wndPtr, HDN_BEGINTRACK32A, nItem))) {
 961             SetCapture32 (wndPtr->hwndSelf);
 962             infoPtr->bCaptured = TRUE;
 963             infoPtr->bTracking = TRUE;
 964             infoPtr->iMoveItem = nItem;
 965             infoPtr->nOldWidth = infoPtr->items[nItem].cxy;
 966             infoPtr->xTrackOffset = infoPtr->items[nItem].rect.right - pt.x;
 967
 968             if (!(wndPtr->dwStyle & HDS_FULLDRAG)) {
 969                 infoPtr->xOldTrack = infoPtr->items[nItem].rect.right;
 970                 hdc = GetDC32 (wndPtr->hwndSelf);
 971                 HEADER_DrawTrackLine (wndPtr, hdc, infoPtr->xOldTrack);
 972                 ReleaseDC32 (wndPtr->hwndSelf, hdc);
 973             }
 974
 975             TRACE (header, "Begin tracking item %d!\n", nItem);
 976         }
 977     }
 978
 979     return 0;
 980 }
 981
 982
 983 static LRESULT
 984 HEADER_LButtonUp (WND *wndPtr, WPARAM32 wParam, LPARAM lParam)
 985 {
 986     HEADER_INFO *infoPtr = HEADER_GetInfoPtr(wndPtr);
 987     POINT32 pt;
 988     UINT32  flags;
 989     INT32   nItem, nWidth;
 990     HDC32   hdc;
 991
 992     pt.x = (INT32)LOWORD(lParam);
 993     pt.y = (INT32)HIWORD(lParam);
 994     HEADER_InternalHitTest (wndPtr, &pt, &flags, &nItem);
 995
 996     if (infoPtr->bPressed) {
 997         if ((nItem == infoPtr->iMoveItem) && (flags == HHT_ONHEADER)) {
 998             infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
 999             hdc = GetDC32 (wndPtr->hwndSelf);
1000             HEADER_RefreshItem (wndPtr, hdc, infoPtr->iMoveItem);
1001             ReleaseDC32 (wndPtr->hwndSelf, hdc);
1002
1003             HEADER_SendClickNotify (wndPtr, HDN_ITEMCLICK32A, infoPtr->iMoveItem);
1004         }
1005         TRACE (header, "Released item %d!\n", infoPtr->iMoveItem);
1006         infoPtr->bPressed = FALSE;
1007     }
1008     else if (infoPtr->bTracking) {
1009         TRACE (header, "End tracking item %d!\n", infoPtr->iMoveItem);
1010         infoPtr->bTracking = FALSE;
1011
1012         HEADER_SendHeaderNotify (wndPtr, HDN_ENDTRACK32A, infoPtr->iMoveItem);
1013
1014         if (!(wndPtr->dwStyle & HDS_FULLDRAG)) {
1015             hdc = GetDC32 (wndPtr->hwndSelf);
1016             HEADER_DrawTrackLine (wndPtr, hdc, infoPtr->xOldTrack);
1017             ReleaseDC32 (wndPtr->hwndSelf, hdc);
1018             if (HEADER_SendHeaderNotify (wndPtr, HDN_ITEMCHANGING32A, infoPtr->iMoveItem))
1019                 infoPtr->items[infoPtr->iMoveItem].cxy = infoPtr->nOldWidth;
1020             else {
1021                 nWidth = pt.x - infoPtr->items[infoPtr->iMoveItem].rect.left + infoPtr->xTrackOffset;
1022                 if (nWidth < 0)
1023                     nWidth = 0;
1024                 infoPtr->items[infoPtr->iMoveItem].cxy = nWidth;
1025                 HEADER_SendHeaderNotify (wndPtr, HDN_ITEMCHANGED32A, infoPtr->iMoveItem);
1026             }
1027
1028             HEADER_SetItemBounds (wndPtr);
1029             hdc = GetDC32 (wndPtr->hwndSelf);
1030             HEADER_Refresh (wndPtr, hdc);
1031             ReleaseDC32 (wndPtr->hwndSelf, hdc);
1032         }
1033     }
1034
1035     if (infoPtr->bCaptured) {
1036         infoPtr->bCaptured = FALSE;
1037         ReleaseCapture ();
1038         HEADER_SendSimpleNotify (wndPtr, NM_RELEASEDCAPTURE);
1039     }
1040
1041     return 0;
1042 }
1043
1044
1045 static LRESULT
1046 HEADER_MouseMove (WND *wndPtr, WPARAM32 wParam, LPARAM lParam)
1047 {
1048     HEADER_INFO *infoPtr = HEADER_GetInfoPtr(wndPtr);
1049     POINT32 pt;
1050     UINT32  flags;
1051     INT32   nItem, nWidth;
1052     HDC32   hdc;
1053
1054     pt.x = (INT32)LOWORD(lParam);
1055     pt.y = (INT32)HIWORD(lParam);
1056     HEADER_InternalHitTest (wndPtr, &pt, &flags, &nItem);
1057
1058     if ((wndPtr->dwStyle & HDS_BUTTONS) && (wndPtr->dwStyle & HDS_HOTTRACK)) {
1059         if (flags & (HHT_ONHEADER | HHT_ONDIVIDER | HHT_ONDIVOPEN))
1060             infoPtr->iHotItem = nItem;
1061         else
1062             infoPtr->iHotItem = -1;
1063         hdc = GetDC32 (wndPtr->hwndSelf);
1064         HEADER_Refresh (wndPtr, hdc);
1065         ReleaseDC32 (wndPtr->hwndSelf, hdc);
1066     }
1067
1068     if (infoPtr->bCaptured) {
1069         if (infoPtr->bPressed) {
1070             if ((nItem == infoPtr->iMoveItem) && (flags == HHT_ONHEADER))
1071                 infoPtr->items[infoPtr->iMoveItem].bDown = TRUE;
1072             else
1073                 infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
1074             hdc = GetDC32 (wndPtr->hwndSelf);
1075             HEADER_RefreshItem (wndPtr, hdc, infoPtr->iMoveItem);
1076             ReleaseDC32 (wndPtr->hwndSelf, hdc);
1077
1078             TRACE (header, "Moving pressed item %d!\n", infoPtr->iMoveItem);
1079         }
1080         else if (infoPtr->bTracking) {
1081             if (wndPtr->dwStyle & HDS_FULLDRAG) {
1082                 if (HEADER_SendHeaderNotify (wndPtr, HDN_ITEMCHANGING32A, infoPtr->iMoveItem))
1083                     infoPtr->items[infoPtr->iMoveItem].cxy = infoPtr->nOldWidth;
1084                 else {
1085                     nWidth = pt.x - infoPtr->items[infoPtr->iMoveItem].rect.left + infoPtr->xTrackOffset;
1086                     if (nWidth < 0)
1087                         nWidth = 0;
1088                     infoPtr->items[infoPtr->iMoveItem].cxy = nWidth;
1089                     HEADER_SendHeaderNotify (wndPtr, HDN_ITEMCHANGED32A,
1090                                              infoPtr->iMoveItem);
1091                 }
1092                 HEADER_SetItemBounds (wndPtr);
1093                 hdc = GetDC32 (wndPtr->hwndSelf);
1094                 HEADER_Refresh (wndPtr, hdc);
1095                 ReleaseDC32 (wndPtr->hwndSelf, hdc);
1096             }
1097             else {
1098                 hdc = GetDC32 (wndPtr->hwndSelf);
1099                 HEADER_DrawTrackLine (wndPtr, hdc, infoPtr->xOldTrack);
1100                 infoPtr->xOldTrack = pt.x + infoPtr->xTrackOffset;
1101                 if (infoPtr->xOldTrack < infoPtr->items[infoPtr->iMoveItem].rect.left)
1102                     infoPtr->xOldTrack = infoPtr->items[infoPtr->iMoveItem].rect.left;
1103                 infoPtr->items[infoPtr->iMoveItem].cxy =
1104                     infoPtr->xOldTrack - infoPtr->items[infoPtr->iMoveItem].rect.left;
1105                 HEADER_DrawTrackLine (wndPtr, hdc, infoPtr->xOldTrack);
1106                 ReleaseDC32 (wndPtr->hwndSelf, hdc);
1107             }
1108
1109             HEADER_SendHeaderNotify (wndPtr, HDN_TRACK32A, infoPtr->iMoveItem);
1110             TRACE (header, "Tracking item %d!\n", infoPtr->iMoveItem);
1111         }
1112     }
1113
1114     if ((wndPtr->dwStyle & HDS_BUTTONS) && (wndPtr->dwStyle & HDS_HOTTRACK)) {
1115         FIXME (header, "hot track support!\n");
1116     }
1117
1118     return 0;
1119 }
1120
1121
1122 static LRESULT
1123 HEADER_Paint (WND *wndPtr, WPARAM32 wParam)
1124 {
1125     HDC32 hdc;
1126     PAINTSTRUCT32 ps;
1127
1128     hdc = wParam==0 ? BeginPaint32 (wndPtr->hwndSelf, &ps) : (HDC32)wParam;
1129     HEADER_Refresh (wndPtr, hdc);
1130     if(!wParam)
1131         EndPaint32 (wndPtr->hwndSelf, &ps);
1132     return 0;
1133 }
1134
1135
1136 static LRESULT
1137 HEADER_RButtonUp (WND *wndPtr, WPARAM32 wParam, LPARAM lParam)
1138 {
1139     return HEADER_SendSimpleNotify (wndPtr, NM_RCLICK);
1140 }
1141
1142
1143 static LRESULT
1144 HEADER_SetCursor (WND *wndPtr, WPARAM32 wParam, LPARAM lParam)
1145 {
1146     HEADER_INFO *infoPtr = HEADER_GetInfoPtr(wndPtr);
1147     POINT32 pt;
1148     UINT32  flags;
1149     INT32   nItem;
1150
1151     TRACE (header, "code=0x%X  id=0x%X\n", LOWORD(lParam), HIWORD(lParam));
1152
1153     GetCursorPos32 (&pt);
1154     ScreenToClient32 (wndPtr->hwndSelf, &pt);
1155
1156     HEADER_InternalHitTest (wndPtr, &pt, &flags, &nItem);
1157
1158     if (flags == HHT_ONDIVIDER)
1159         SetCursor32 (infoPtr->hcurDivider);
1160     else if (flags == HHT_ONDIVOPEN)
1161         SetCursor32 (infoPtr->hcurDivopen);
1162     else
1163         SetCursor32 (infoPtr->hcurArrow);
1164
1165     return 0;
1166 }
1167
1168
1169 static LRESULT
1170 HEADER_SetFont (WND *wndPtr, WPARAM32 wParam, LPARAM lParam)
1171 {
1172     HEADER_INFO *infoPtr = HEADER_GetInfoPtr(wndPtr);
1173     TEXTMETRIC32A tm;
1174     HFONT32 hFont, hOldFont;
1175     HDC32 hdc;
1176
1177     infoPtr->hFont = (HFONT32)wParam;
1178
1179     hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject32 (SYSTEM_FONT);
1180
1181     hdc = GetDC32 (0);
1182     hOldFont = SelectObject32 (hdc, hFont);
1183     GetTextMetrics32A (hdc, &tm);
1184     infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
1185     SelectObject32 (hdc, hOldFont);
1186     ReleaseDC32 (0, hdc);
1187
1188     if (lParam) {
1189         HEADER_ForceItemBounds (wndPtr, infoPtr->nHeight);
1190         hdc = GetDC32 (wndPtr->hwndSelf);
1191         HEADER_Refresh (wndPtr, hdc);
1192         ReleaseDC32 (wndPtr->hwndSelf, hdc);
1193     }
1194
1195     return 0;
1196 }
1197
1198
1199 LRESULT WINAPI
1200 HEADER_WindowProc (HWND32 hwnd, UINT32 msg, WPARAM32 wParam, LPARAM lParam)
1201 {
1202     WND *wndPtr = WIN_FindWndPtr(hwnd);
1203
1204     switch (msg) {
1205         case HDM_CREATEDRAGIMAGE:
1206             return HEADER_CreateDragImage (wndPtr, wParam);
1207
1208         case HDM_DELETEITEM:
1209             return HEADER_DeleteItem (wndPtr, wParam);
1210
1211         case HDM_GETIMAGELIST:
1212             return HEADER_GetImageList (wndPtr);
1213
1214         case HDM_GETITEM32A:
1215             return HEADER_GetItem32A (wndPtr, wParam, lParam);
1216
1217 //      case HDM_GETITEM32W:
1218
1219         case HDM_GETITEMCOUNT:
1220             return HEADER_GetItemCount (wndPtr);
1221
1222         case HDM_GETITEMRECT:
1223             return HEADER_GetItemRect (wndPtr, wParam, lParam);
1224
1225 //      case HDM_GETORDERARRAY:
1226 //      case HDM_GETUNICODEFORMAT:
1227
1228         case HDM_HITTEST:
1229             return HEADER_HitTest (wndPtr, wParam, lParam);
1230
1231         case HDM_INSERTITEM32A:
1232             return HEADER_InsertItem32A (wndPtr, wParam, lParam);
1233
1234 //      case HDM_INSERTITEM32W:
1235
1236         case HDM_LAYOUT:
1237             return HEADER_Layout (wndPtr, wParam, lParam);
1238
1239         case HDM_SETIMAGELIST:
1240             return HEADER_SetImageList (wndPtr, wParam, lParam);
1241
1242         case HDM_SETITEM32A:
1243             return HEADER_SetItem32A (wndPtr, wParam, lParam);
1244
1245 //      case HDM_SETITEM32W:
1246 //      case HDM_SETORDERARRAY:
1247 //      case HDM_SETUNICODEFORMAT:
1248
1249
1250         case WM_CREATE:
1251             return HEADER_Create (wndPtr, wParam, lParam);
1252
1253         case WM_DESTROY:
1254             return HEADER_Destroy (wndPtr, wParam, lParam);
1255
1256         case WM_ERASEBKGND:
1257             return 1;
1258
1259         case WM_GETDLGCODE:
1260             return DLGC_WANTTAB | DLGC_WANTARROWS;
1261
1262         case WM_GETFONT:
1263             return HEADER_GetFont (wndPtr);
1264
1265         case WM_LBUTTONDBLCLK:
1266             return HEADER_LButtonDblClk (wndPtr, wParam, lParam);
1267
1268         case WM_LBUTTONDOWN:
1269             return HEADER_LButtonDown (wndPtr, wParam, lParam);
1270
1271         case WM_LBUTTONUP:
1272             return HEADER_LButtonUp (wndPtr, wParam, lParam);
1273
1274         case WM_MOUSEMOVE:
1275             return HEADER_MouseMove (wndPtr, wParam, lParam);
1276
1277         case WM_PAINT:
1278             return HEADER_Paint (wndPtr, wParam);
1279
1280         case WM_RBUTTONUP:
1281             return HEADER_RButtonUp (wndPtr, wParam, lParam);
1282
1283         case WM_SETCURSOR:
1284             return HEADER_SetCursor (wndPtr, wParam, lParam);
1285
1286         case WM_SETFONT:
1287             return HEADER_SetFont (wndPtr, wParam, lParam);
1288
1289         default:
1290             if (msg >= WM_USER)
1291                 ERR (header, "unknown msg %04x wp=%04x lp=%08lx\n",
1292                      msg, wParam, lParam );
1293             return DefWindowProc32A (hwnd, msg, wParam, lParam);
1294     }
1295     return 0;
1296 }
1297
1298
1299 void HEADER_Register( void )
1300 {
1301     WNDCLASS32A wndClass;
1302
1303     if (GlobalFindAtom32A (WC_HEADER32A)) return;
1304
1305     ZeroMemory (&wndClass, sizeof(WNDCLASS32A));
1306     wndClass.style         = CS_GLOBALCLASS | CS_DBLCLKS;
1307     wndClass.lpfnWndProc   = (WNDPROC32)HEADER_WindowProc;
1308     wndClass.cbClsExtra    = 0;
1309     wndClass.cbWndExtra    = sizeof(HEADER_INFO *);
1310     wndClass.hCursor       = LoadCursor32A (0, IDC_ARROW32A);
1311     wndClass.lpszClassName = WC_HEADER32A;
1312
1313     RegisterClass32A (&wndClass);
1314 }
1315