src/msw/listctrl.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        listctrl.cpp
   3 // Purpose:     wxListCtrl
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart and Markus Holzem
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "listctrl.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 #ifndef WX_PRECOMP
  32     #include "wx/wx.h"
  33 #endif
  34
  35 #ifdef __WIN95__
  36
  37 #include "wx/listctrl.h"
  38 #include "wx/log.h"
  39
  40 #include "wx/msw/private.h"
  41
  42 #if defined(__GNUWIN32__) && !defined(wxUSE_NORLANDER_HEADERS)
  43     #include "wx/msw/gnuwin32/extra.h"
  44 #else
  45     #include <commctrl.h>
  46 #endif
  47
  48 #ifndef LVHT_ONITEM
  49     #define LVHT_ONITEM \
  50                 (LVHT_ONITEMICON | LVHT_ONITEMLABEL | LVHT_ONITEMSTATEICON)
  51 #endif
  52
  53 // ----------------------------------------------------------------------------
  54 // private functions
  55 // ----------------------------------------------------------------------------
  56
  57 static void wxConvertToMSWListItem(const wxListCtrl *ctrl, wxListItem& info, LV_ITEM& tvItem);
  58 static void wxConvertFromMSWListItem(const wxListCtrl *ctrl, wxListItem& info, LV_ITEM& tvItem, HWND getFullInfo = 0);
  59
  60 // ----------------------------------------------------------------------------
  61 // macros
  62 // ----------------------------------------------------------------------------
  63
  64 IMPLEMENT_DYNAMIC_CLASS(wxListCtrl, wxControl)
  65 IMPLEMENT_DYNAMIC_CLASS(wxListItem, wxObject)
  66
  67 // ============================================================================
  68 // implementation
  69 // ============================================================================
  70
  71 // ----------------------------------------------------------------------------
  72 // wxListEvent
  73 // ----------------------------------------------------------------------------
  74
  75 void wxListEvent::CopyObject(wxObject& object_dest) const
  76 {
  77     wxListEvent *obj = (wxListEvent *)&object_dest;
  78
  79     wxNotifyEvent::CopyObject(object_dest);
  80
  81     obj->m_code = m_code;
  82     obj->m_itemIndex = m_itemIndex;
  83     obj->m_oldItemIndex = m_oldItemIndex;
  84     obj->m_col = m_col;
  85     obj->m_cancelled = m_cancelled;
  86     obj->m_pointDrag = m_pointDrag;
  87     obj->m_item.m_mask = m_item.m_mask;
  88     obj->m_item.m_itemId = m_item.m_itemId;
  89     obj->m_item.m_col = m_item.m_col;
  90     obj->m_item.m_state = m_item.m_state;
  91     obj->m_item.m_stateMask = m_item.m_stateMask;
  92     obj->m_item.m_text = m_item.m_text;
  93     obj->m_item.m_image = m_item.m_image;
  94     obj->m_item.m_data = m_item.m_data;
  95     obj->m_item.m_format = m_item.m_format;
  96     obj->m_item.m_width = m_item.m_width;
  97
  98     if ( m_item.HasAttributes() )
  99     {
 100         obj->m_item.SetTextColour(m_item.GetTextColour());
 101         obj->m_item.SetBackgroundColour(m_item.GetBackgroundColour());
 102         obj->m_item.SetFont(m_item.GetFont());
 103     }
 104 }
 105
 106 // ----------------------------------------------------------------------------
 107 // wxListCtrl construction
 108 // ----------------------------------------------------------------------------
 109
 110 void wxListCtrl::Init()
 111 {
 112     m_imageListNormal = NULL;
 113     m_imageListSmall = NULL;
 114     m_imageListState = NULL;
 115     m_baseStyle = 0;
 116     m_colCount = 0;
 117     m_textCtrl = NULL;
 118     m_hasAnyAttr = FALSE;
 119 }
 120
 121 bool wxListCtrl::Create(wxWindow *parent,
 122                         wxWindowID id,
 123                         const wxPoint& pos,
 124                         const wxSize& size,
 125                         long style,
 126                         const wxValidator& validator,
 127                         const wxString& name)
 128 {
 129 #if wxUSE_VALIDATORS
 130     SetValidator(validator);
 131 #endif // wxUSE_VALIDATORS
 132
 133     SetName(name);
 134
 135     int x = pos.x;
 136     int y = pos.y;
 137     int width = size.x;
 138     int height = size.y;
 139
 140     m_windowStyle = style;
 141
 142     SetParent(parent);
 143
 144     if (width <= 0)
 145         width = 100;
 146     if (height <= 0)
 147         height = 30;
 148     if (x < 0)
 149         x = 0;
 150     if (y < 0)
 151         y = 0;
 152
 153     m_windowId = (id == -1) ? NewControlId() : id;
 154
 155     DWORD wstyle = WS_VISIBLE | WS_CHILD | WS_TABSTOP |
 156                    LVS_SHAREIMAGELISTS | LVS_SHOWSELALWAYS;
 157     if ( wxStyleHasBorder(m_windowStyle) )
 158         wstyle |= WS_BORDER;
 159     m_baseStyle = wstyle;
 160
 161     if ( !DoCreateControl(x, y, width, height) )
 162         return FALSE;
 163
 164     if (parent)
 165         parent->AddChild(this);
 166
 167     return TRUE;
 168 }
 169
 170 bool wxListCtrl::DoCreateControl(int x, int y, int w, int h)
 171 {
 172     DWORD wstyle = m_baseStyle;
 173
 174     bool want3D;
 175     WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D);
 176
 177     // Even with extended styles, need to combine with WS_BORDER
 178     // for them to look right.
 179     if ( want3D )
 180         wstyle |= WS_BORDER;
 181
 182     long oldStyle = 0; // Dummy
 183     wstyle |= ConvertToMSWStyle(oldStyle, m_windowStyle);
 184
 185     // Create the ListView control.
 186     m_hWnd = (WXHWND)CreateWindowEx(exStyle,
 187                                     WC_LISTVIEW,
 188                                     wxT(""),
 189                                     wstyle,
 190                                     x, y, w, h,
 191                                     GetWinHwnd(GetParent()),
 192                                     (HMENU)m_windowId,
 193                                     wxGetInstance(),
 194                                     NULL);
 195
 196     if ( !m_hWnd )
 197     {
 198         wxLogError(wxT("Can't create list control window."));
 199
 200         return FALSE;
 201     }
 202
 203     // for comctl32.dll v 4.70+ we want to have this attribute because it's
 204     // prettier (and also because wxGTK does it like this)
 205 #ifdef ListView_SetExtendedListViewStyle
 206     if ( wstyle & LVS_REPORT )
 207     {
 208         ListView_SetExtendedListViewStyle(GetHwnd(),
 209                                           LVS_EX_FULLROWSELECT);
 210     }
 211 #endif // ListView_SetExtendedListViewStyle
 212
 213     SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW));
 214     SetForegroundColour(GetParent()->GetForegroundColour());
 215
 216     SubclassWin(m_hWnd);
 217
 218     return TRUE;
 219 }
 220
 221 void wxListCtrl::UpdateStyle()
 222 {
 223     if ( GetHWND() )
 224     {
 225         // The new window view style
 226         long dummy;
 227         DWORD dwStyleNew = ConvertToMSWStyle(dummy, m_windowStyle);
 228         dwStyleNew |= m_baseStyle;
 229
 230         // Get the current window style.
 231         DWORD dwStyleOld = ::GetWindowLong(GetHwnd(), GWL_STYLE);
 232
 233         // Only set the window style if the view bits have changed.
 234         if ( dwStyleOld != dwStyleNew )
 235         {
 236             ::SetWindowLong(GetHwnd(), GWL_STYLE, dwStyleNew);
 237         }
 238     }
 239 }
 240
 241 wxListCtrl::~wxListCtrl()
 242 {
 243     if ( m_hasAnyAttr )
 244     {
 245         for ( wxNode *node = m_attrs.Next(); node; node = m_attrs.Next() )
 246         {
 247             delete (wxListItemAttr *)node->Data();
 248         }
 249     }
 250
 251     if ( m_textCtrl )
 252     {
 253         m_textCtrl->UnsubclassWin();
 254         m_textCtrl->SetHWND(0);
 255         delete m_textCtrl;
 256         m_textCtrl = NULL;
 257     }
 258 }
 259
 260 // ----------------------------------------------------------------------------
 261 // set/get/change style
 262 // ----------------------------------------------------------------------------
 263
 264 // Add or remove a single window style
 265 void wxListCtrl::SetSingleStyle(long style, bool add)
 266 {
 267     long flag = GetWindowStyleFlag();
 268
 269     // Get rid of conflicting styles
 270     if ( add )
 271     {
 272         if ( style & wxLC_MASK_TYPE)
 273             flag = flag & ~wxLC_MASK_TYPE;
 274         if ( style & wxLC_MASK_ALIGN )
 275             flag = flag & ~wxLC_MASK_ALIGN;
 276         if ( style & wxLC_MASK_SORT )
 277             flag = flag & ~wxLC_MASK_SORT;
 278     }
 279
 280     if ( flag & style )
 281     {
 282         if ( !add )
 283             flag -= style;
 284     }
 285     else
 286     {
 287         if ( add )
 288         {
 289             flag |= style;
 290         }
 291     }
 292
 293     m_windowStyle = flag;
 294
 295     UpdateStyle();
 296 }
 297
 298 // Set the whole window style
 299 void wxListCtrl::SetWindowStyleFlag(long flag)
 300 {
 301     m_windowStyle = flag;
 302
 303     UpdateStyle();
 304 }
 305
 306 // Can be just a single style, or a bitlist
 307 long wxListCtrl::ConvertToMSWStyle(long& oldStyle, long style) const
 308 {
 309     long wstyle = 0;
 310     if ( style & wxLC_ICON )
 311     {
 312         if ( (oldStyle & LVS_TYPEMASK) == LVS_SMALLICON )
 313             oldStyle -= LVS_SMALLICON;
 314         if ( (oldStyle & LVS_TYPEMASK) == LVS_REPORT )
 315             oldStyle -= LVS_REPORT;
 316         if ( (oldStyle & LVS_TYPEMASK) == LVS_LIST )
 317             oldStyle -= LVS_LIST;
 318         wstyle |= LVS_ICON;
 319     }
 320
 321     if ( style & wxLC_SMALL_ICON )
 322     {
 323         if ( (oldStyle & LVS_TYPEMASK) == LVS_ICON )
 324             oldStyle -= LVS_ICON;
 325         if ( (oldStyle & LVS_TYPEMASK) == LVS_REPORT )
 326             oldStyle -= LVS_REPORT;
 327         if ( (oldStyle & LVS_TYPEMASK) == LVS_LIST )
 328             oldStyle -= LVS_LIST;
 329         wstyle |= LVS_SMALLICON;
 330     }
 331
 332     if ( style & wxLC_LIST )
 333     {
 334         if ( (oldStyle & LVS_TYPEMASK) == LVS_ICON )
 335             oldStyle -= LVS_ICON;
 336         if ( (oldStyle & LVS_TYPEMASK) == LVS_REPORT )
 337             oldStyle -= LVS_REPORT;
 338         if ( (oldStyle & LVS_TYPEMASK) == LVS_SMALLICON )
 339             oldStyle -= LVS_SMALLICON;
 340         wstyle |= LVS_LIST;
 341     }
 342
 343     if ( style & wxLC_REPORT )
 344     {
 345         if ( (oldStyle & LVS_TYPEMASK) == LVS_ICON )
 346             oldStyle -= LVS_ICON;
 347         if ( (oldStyle & LVS_TYPEMASK) == LVS_LIST )
 348             oldStyle -= LVS_LIST;
 349         if ( (oldStyle & LVS_TYPEMASK) == LVS_SMALLICON )
 350             oldStyle -= LVS_SMALLICON;
 351
 352         wstyle |= LVS_REPORT;
 353     }
 354
 355     if ( style & wxLC_ALIGN_LEFT )
 356     {
 357         if ( oldStyle & LVS_ALIGNTOP )
 358             oldStyle -= LVS_ALIGNTOP;
 359         wstyle |= LVS_ALIGNLEFT;
 360     }
 361
 362     if ( style & wxLC_ALIGN_TOP )
 363     {
 364         if ( oldStyle & LVS_ALIGNLEFT )
 365             oldStyle -= LVS_ALIGNLEFT;
 366         wstyle |= LVS_ALIGNTOP;
 367     }
 368
 369     if ( style & wxLC_AUTOARRANGE )
 370         wstyle |= LVS_AUTOARRANGE;
 371
 372     // Apparently, no such style (documentation wrong?)
 373     /*
 374        if ( style & wxLC_BUTTON )
 375        wstyle |= LVS_BUTTON;
 376      */
 377
 378     if ( style & wxLC_NO_SORT_HEADER )
 379         wstyle |= LVS_NOSORTHEADER;
 380
 381     if ( style & wxLC_NO_HEADER )
 382         wstyle |= LVS_NOCOLUMNHEADER;
 383
 384     if ( style & wxLC_EDIT_LABELS )
 385         wstyle |= LVS_EDITLABELS;
 386
 387     if ( style & wxLC_SINGLE_SEL )
 388         wstyle |= LVS_SINGLESEL;
 389
 390     if ( style & wxLC_SORT_ASCENDING )
 391     {
 392         if ( oldStyle & LVS_SORTDESCENDING )
 393             oldStyle -= LVS_SORTDESCENDING;
 394         wstyle |= LVS_SORTASCENDING;
 395     }
 396
 397     if ( style & wxLC_SORT_DESCENDING )
 398     {
 399         if ( oldStyle & LVS_SORTASCENDING )
 400             oldStyle -= LVS_SORTASCENDING;
 401         wstyle |= LVS_SORTDESCENDING;
 402     }
 403
 404     return wstyle;
 405 }
 406
 407 // ----------------------------------------------------------------------------
 408 // accessors
 409 // ----------------------------------------------------------------------------
 410
 411 // Sets the background colour (GetBackgroundColour already implicit in
 412 // wxWindow class)
 413 bool wxListCtrl::SetBackgroundColour(const wxColour& col)
 414 {
 415     if ( !wxWindow::SetBackgroundColour(col) )
 416         return FALSE;
 417
 418     ListView_SetBkColor(GetHwnd(), PALETTERGB(col.Red(), col.Green(), col.Blue()));
 419
 420     return TRUE;
 421 }
 422
 423 // Gets information about this column
 424 bool wxListCtrl::GetColumn(int col, wxListItem& item) const
 425 {
 426     LV_COLUMN lvCol;
 427     lvCol.mask = 0;
 428     lvCol.fmt = 0;
 429     lvCol.pszText = NULL;
 430
 431     if ( item.m_mask & wxLIST_MASK_TEXT )
 432     {
 433         lvCol.mask |= LVCF_TEXT;
 434         lvCol.pszText = new wxChar[513];
 435         lvCol.cchTextMax = 512;
 436     }
 437
 438     bool success = (ListView_GetColumn(GetHwnd(), col, & lvCol) != 0);
 439
 440     //  item.m_subItem = lvCol.iSubItem;
 441     item.m_width = lvCol.cx;
 442
 443     if ( (item.m_mask & wxLIST_MASK_TEXT) && lvCol.pszText )
 444     {
 445         item.m_text = lvCol.pszText;
 446         delete[] lvCol.pszText;
 447     }
 448
 449     if ( item.m_mask & wxLIST_MASK_FORMAT )
 450     {
 451         if (lvCol.fmt == LVCFMT_LEFT)
 452             item.m_format = wxLIST_FORMAT_LEFT;
 453         else if (lvCol.fmt == LVCFMT_RIGHT)
 454             item.m_format = wxLIST_FORMAT_RIGHT;
 455         else if (lvCol.fmt == LVCFMT_CENTER)
 456             item.m_format = wxLIST_FORMAT_CENTRE;
 457     }
 458
 459     return success;
 460 }
 461
 462 // Sets information about this column
 463 bool wxListCtrl::SetColumn(int col, wxListItem& item)
 464 {
 465     LV_COLUMN lvCol;
 466     lvCol.mask = 0;
 467     lvCol.fmt = 0;
 468     lvCol.pszText = NULL;
 469
 470     if ( item.m_mask & wxLIST_MASK_TEXT )
 471     {
 472         lvCol.mask |= LVCF_TEXT;
 473         lvCol.pszText = WXSTRINGCAST item.m_text;
 474         lvCol.cchTextMax = 0; // Ignored
 475     }
 476     if ( item.m_mask & wxLIST_MASK_FORMAT )
 477     {
 478         lvCol.mask |= LVCF_FMT;
 479
 480         if ( item.m_format == wxLIST_FORMAT_LEFT )
 481             lvCol.fmt = LVCFMT_LEFT;
 482         if ( item.m_format == wxLIST_FORMAT_RIGHT )
 483             lvCol.fmt = LVCFMT_RIGHT;
 484         if ( item.m_format == wxLIST_FORMAT_CENTRE )
 485             lvCol.fmt = LVCFMT_CENTER;
 486     }
 487
 488     if ( item.m_mask & wxLIST_MASK_WIDTH )
 489     {
 490         lvCol.mask |= LVCF_WIDTH;
 491         lvCol.cx = item.m_width;
 492
 493         if ( lvCol.cx == wxLIST_AUTOSIZE)
 494             lvCol.cx = LVSCW_AUTOSIZE;
 495         else if ( lvCol.cx == wxLIST_AUTOSIZE_USEHEADER)
 496             lvCol.cx = LVSCW_AUTOSIZE_USEHEADER;
 497     }
 498     lvCol.mask |= LVCF_SUBITEM;
 499     lvCol.iSubItem = col;
 500     return (ListView_SetColumn(GetHwnd(), col, & lvCol) != 0);
 501 }
 502
 503 // Gets the column width
 504 int wxListCtrl::GetColumnWidth(int col) const
 505 {
 506     return ListView_GetColumnWidth(GetHwnd(), col);
 507 }
 508
 509 // Sets the column width
 510 bool wxListCtrl::SetColumnWidth(int col, int width)
 511 {
 512     int col2 = col;
 513     if ( m_windowStyle & wxLC_LIST )
 514         col2 = -1;
 515
 516     int width2 = width;
 517     if ( width2 == wxLIST_AUTOSIZE)
 518         width2 = LVSCW_AUTOSIZE;
 519     else if ( width2 == wxLIST_AUTOSIZE_USEHEADER)
 520         width2 = LVSCW_AUTOSIZE_USEHEADER;
 521
 522     return (ListView_SetColumnWidth(GetHwnd(), col2, width2) != 0);
 523 }
 524
 525 // Gets the number of items that can fit vertically in the
 526 // visible area of the list control (list or report view)
 527 // or the total number of items in the list control (icon
 528 // or small icon view)
 529 int wxListCtrl::GetCountPerPage(void) const
 530 {
 531     return ListView_GetCountPerPage(GetHwnd());
 532 }
 533
 534 // Gets the edit control for editing labels.
 535 wxTextCtrl* wxListCtrl::GetEditControl(void) const
 536 {
 537     return m_textCtrl;
 538 }
 539
 540 // Gets information about the item
 541 bool wxListCtrl::GetItem(wxListItem& info) const
 542 {
 543     LV_ITEM lvItem;
 544     wxZeroMemory(lvItem);
 545
 546     lvItem.iItem = info.m_itemId;
 547     lvItem.iSubItem = info.m_col;
 548
 549     if ( info.m_mask & wxLIST_MASK_TEXT )
 550     {
 551         lvItem.mask |= LVIF_TEXT;
 552         lvItem.pszText = new wxChar[513];
 553         lvItem.cchTextMax = 512;
 554     }
 555     else
 556     {
 557         lvItem.pszText = NULL;
 558     }
 559
 560     if (info.m_mask & wxLIST_MASK_DATA)
 561         lvItem.mask |= LVIF_PARAM;
 562
 563     if ( info.m_mask & wxLIST_MASK_STATE )
 564     {
 565         lvItem.mask |= LVIF_STATE;
 566         // the other bits are hardly interesting anyhow
 567         lvItem.stateMask = LVIS_SELECTED | LVIS_FOCUSED;
 568     }
 569
 570     bool success = ListView_GetItem((HWND)GetHWND(), &lvItem) != 0;
 571     if ( !success )
 572     {
 573         wxLogError(_("Couldn't retrieve information about list control item %d."),
 574                 lvItem.iItem);
 575     }
 576     else
 577     {
 578         wxConvertFromMSWListItem(this, info, lvItem);
 579     }
 580
 581     if (lvItem.pszText)
 582         delete[] lvItem.pszText;
 583
 584     return success;
 585 }
 586
 587 // Sets information about the item
 588 bool wxListCtrl::SetItem(wxListItem& info)
 589 {
 590     LV_ITEM item;
 591     wxConvertToMSWListItem(this, info, item);
 592
 593     // check whether it has any custom attributes
 594     if ( info.HasAttributes() )
 595     {
 596         m_attrs.Put(item.iItem, (wxObject *)new wxListItemAttr(*info.GetAttributes()));
 597
 598         m_hasAnyAttr = TRUE;
 599     }
 600
 601     item.cchTextMax = 0;
 602     bool ok = ListView_SetItem(GetHwnd(), &item) != 0;
 603     if ( ok && (info.m_mask & wxLIST_MASK_IMAGE) )
 604     {
 605         // make the change visible
 606         ListView_Update(GetHwnd(), item.iItem);
 607     }
 608
 609     return ok;
 610 }
 611
 612 long wxListCtrl::SetItem(long index, int col, const wxString& label, int imageId)
 613 {
 614     wxListItem info;
 615     info.m_text = label;
 616     info.m_mask = wxLIST_MASK_TEXT;
 617     info.m_itemId = index;
 618     info.m_col = col;
 619     if ( imageId > -1 )
 620     {
 621         info.m_image = imageId;
 622         info.m_mask |= wxLIST_MASK_IMAGE;
 623     }
 624     return SetItem(info);
 625 }
 626
 627
 628 // Gets the item state
 629 int wxListCtrl::GetItemState(long item, long stateMask) const
 630 {
 631     wxListItem info;
 632
 633     info.m_mask = wxLIST_MASK_STATE;
 634     info.m_stateMask = stateMask;
 635     info.m_itemId = item;
 636
 637     if (!GetItem(info))
 638         return 0;
 639
 640     return info.m_state;
 641 }
 642
 643 // Sets the item state
 644 bool wxListCtrl::SetItemState(long item, long state, long stateMask)
 645 {
 646     wxListItem info;
 647
 648     info.m_mask = wxLIST_MASK_STATE;
 649     info.m_state = state;
 650     info.m_stateMask = stateMask;
 651     info.m_itemId = item;
 652
 653     return SetItem(info);
 654 }
 655
 656 // Sets the item image
 657 bool wxListCtrl::SetItemImage(long item, int image, int selImage)
 658 {
 659     wxListItem info;
 660
 661     info.m_mask = wxLIST_MASK_IMAGE;
 662     info.m_image = image;
 663     info.m_itemId = item;
 664
 665     return SetItem(info);
 666 }
 667
 668 // Gets the item text
 669 wxString wxListCtrl::GetItemText(long item) const
 670 {
 671     wxListItem info;
 672
 673     info.m_mask = wxLIST_MASK_TEXT;
 674     info.m_itemId = item;
 675
 676     if (!GetItem(info))
 677         return wxString("");
 678     return info.m_text;
 679 }
 680
 681 // Sets the item text
 682 void wxListCtrl::SetItemText(long item, const wxString& str)
 683 {
 684     wxListItem info;
 685
 686     info.m_mask = wxLIST_MASK_TEXT;
 687     info.m_itemId = item;
 688     info.m_text = str;
 689
 690     SetItem(info);
 691 }
 692
 693 // Gets the item data
 694 long wxListCtrl::GetItemData(long item) const
 695 {
 696     wxListItem info;
 697
 698     info.m_mask = wxLIST_MASK_DATA;
 699     info.m_itemId = item;
 700
 701     if (!GetItem(info))
 702         return 0;
 703     return info.m_data;
 704 }
 705
 706 // Sets the item data
 707 bool wxListCtrl::SetItemData(long item, long data)
 708 {
 709     wxListItem info;
 710
 711     info.m_mask = wxLIST_MASK_DATA;
 712     info.m_itemId = item;
 713     info.m_data = data;
 714
 715     return SetItem(info);
 716 }
 717
 718 // Gets the item rectangle
 719 bool wxListCtrl::GetItemRect(long item, wxRect& rect, int code) const
 720 {
 721     RECT rect2;
 722
 723     int code2 = LVIR_BOUNDS;
 724     if ( code == wxLIST_RECT_BOUNDS )
 725         code2 = LVIR_BOUNDS;
 726     else if ( code == wxLIST_RECT_ICON )
 727         code2 = LVIR_ICON;
 728     else if ( code == wxLIST_RECT_LABEL )
 729         code2 = LVIR_LABEL;
 730
 731 #ifdef __WXWINE__
 732     bool success = (ListView_GetItemRect(GetHwnd(), (int) item, &rect2 ) != 0);
 733 #else
 734     bool success = (ListView_GetItemRect(GetHwnd(), (int) item, &rect2, code2) != 0);
 735 #endif
 736
 737     rect.x = rect2.left;
 738     rect.y = rect2.top;
 739     rect.width = rect2.right - rect2.left;
 740     rect.height = rect2.bottom - rect2.left;
 741     return success;
 742 }
 743
 744 // Gets the item position
 745 bool wxListCtrl::GetItemPosition(long item, wxPoint& pos) const
 746 {
 747     POINT pt;
 748
 749     bool success = (ListView_GetItemPosition(GetHwnd(), (int) item, &pt) != 0);
 750
 751     pos.x = pt.x; pos.y = pt.y;
 752     return success;
 753 }
 754
 755 // Sets the item position.
 756 bool wxListCtrl::SetItemPosition(long item, const wxPoint& pos)
 757 {
 758     return (ListView_SetItemPosition(GetHwnd(), (int) item, pos.x, pos.y) != 0);
 759 }
 760
 761 // Gets the number of items in the list control
 762 int wxListCtrl::GetItemCount(void) const
 763 {
 764     return ListView_GetItemCount(GetHwnd());
 765 }
 766
 767 // Retrieves the spacing between icons in pixels.
 768 // If small is TRUE, gets the spacing for the small icon
 769 // view, otherwise the large icon view.
 770 int wxListCtrl::GetItemSpacing(bool isSmall) const
 771 {
 772     return ListView_GetItemSpacing(GetHwnd(), (BOOL) isSmall);
 773 }
 774
 775 // Gets the number of selected items in the list control
 776 int wxListCtrl::GetSelectedItemCount(void) const
 777 {
 778     return ListView_GetSelectedCount(GetHwnd());
 779 }
 780
 781 // Gets the text colour of the listview
 782 wxColour wxListCtrl::GetTextColour(void) const
 783 {
 784     COLORREF ref = ListView_GetTextColor(GetHwnd());
 785     wxColour col(GetRValue(ref), GetGValue(ref), GetBValue(ref));
 786     return col;
 787 }
 788
 789 // Sets the text colour of the listview
 790 void wxListCtrl::SetTextColour(const wxColour& col)
 791 {
 792     ListView_SetTextColor(GetHwnd(), PALETTERGB(col.Red(), col.Green(), col.Blue()));
 793 }
 794
 795 // Gets the index of the topmost visible item when in
 796 // list or report view
 797 long wxListCtrl::GetTopItem(void) const
 798 {
 799     return (long) ListView_GetTopIndex(GetHwnd());
 800 }
 801
 802 // Searches for an item, starting from 'item'.
 803 // 'geometry' is one of
 804 // wxLIST_NEXT_ABOVE/ALL/BELOW/LEFT/RIGHT.
 805 // 'state' is a state bit flag, one or more of
 806 // wxLIST_STATE_DROPHILITED/FOCUSED/SELECTED/CUT.
 807 // item can be -1 to find the first item that matches the
 808 // specified flags.
 809 // Returns the item or -1 if unsuccessful.
 810 long wxListCtrl::GetNextItem(long item, int geom, int state) const
 811 {
 812     long flags = 0;
 813
 814     if ( geom == wxLIST_NEXT_ABOVE )
 815         flags |= LVNI_ABOVE;
 816     if ( geom == wxLIST_NEXT_ALL )
 817         flags |= LVNI_ALL;
 818     if ( geom == wxLIST_NEXT_BELOW )
 819         flags |= LVNI_BELOW;
 820     if ( geom == wxLIST_NEXT_LEFT )
 821         flags |= LVNI_TOLEFT;
 822     if ( geom == wxLIST_NEXT_RIGHT )
 823         flags |= LVNI_TORIGHT;
 824
 825     if ( state & wxLIST_STATE_CUT )
 826         flags |= LVNI_CUT;
 827     if ( state & wxLIST_STATE_DROPHILITED )
 828         flags |= LVNI_DROPHILITED;
 829     if ( state & wxLIST_STATE_FOCUSED )
 830         flags |= LVNI_FOCUSED;
 831     if ( state & wxLIST_STATE_SELECTED )
 832         flags |= LVNI_SELECTED;
 833
 834     return (long) ListView_GetNextItem(GetHwnd(), item, flags);
 835 }
 836
 837
 838 wxImageList *wxListCtrl::GetImageList(int which) const
 839 {
 840     if ( which == wxIMAGE_LIST_NORMAL )
 841     {
 842         return m_imageListNormal;
 843     }
 844     else if ( which == wxIMAGE_LIST_SMALL )
 845     {
 846         return m_imageListSmall;
 847     }
 848     else if ( which == wxIMAGE_LIST_STATE )
 849     {
 850         return m_imageListState;
 851     }
 852     return NULL;
 853 }
 854
 855 void wxListCtrl::SetImageList(wxImageList *imageList, int which)
 856 {
 857     int flags = 0;
 858     if ( which == wxIMAGE_LIST_NORMAL )
 859     {
 860         flags = LVSIL_NORMAL;
 861         m_imageListNormal = imageList;
 862     }
 863     else if ( which == wxIMAGE_LIST_SMALL )
 864     {
 865         flags = LVSIL_SMALL;
 866         m_imageListSmall = imageList;
 867     }
 868     else if ( which == wxIMAGE_LIST_STATE )
 869     {
 870         flags = LVSIL_STATE;
 871         m_imageListState = imageList;
 872     }
 873     ListView_SetImageList(GetHwnd(), (HIMAGELIST) imageList ? imageList->GetHIMAGELIST() : 0, flags);
 874 }
 875
 876 // ----------------------------------------------------------------------------
 877 // Operations
 878 // ----------------------------------------------------------------------------
 879
 880 // Arranges the items
 881 bool wxListCtrl::Arrange(int flag)
 882 {
 883     UINT code = 0;
 884     if ( flag == wxLIST_ALIGN_LEFT )
 885         code = LVA_ALIGNLEFT;
 886     else if ( flag == wxLIST_ALIGN_TOP )
 887         code = LVA_ALIGNTOP;
 888     else if ( flag == wxLIST_ALIGN_DEFAULT )
 889         code = LVA_DEFAULT;
 890     else if ( flag == wxLIST_ALIGN_SNAP_TO_GRID )
 891         code = LVA_SNAPTOGRID;
 892
 893     return (ListView_Arrange(GetHwnd(), code) != 0);
 894 }
 895
 896 // Deletes an item
 897 bool wxListCtrl::DeleteItem(long item)
 898 {
 899     return (ListView_DeleteItem(GetHwnd(), (int) item) != 0);
 900 }
 901
 902 // Deletes all items
 903 bool wxListCtrl::DeleteAllItems()
 904 {
 905     return (ListView_DeleteAllItems(GetHwnd()) != 0);
 906 }
 907
 908 // Deletes all items
 909 bool wxListCtrl::DeleteAllColumns()
 910 {
 911     while ( m_colCount > 0 )
 912     {
 913         if ( ListView_DeleteColumn(GetHwnd(), 0) == 0 )
 914         {
 915             wxLogLastError("ListView_DeleteColumn");
 916
 917             return FALSE;
 918         }
 919
 920         m_colCount--;
 921     }
 922
 923     wxASSERT_MSG( m_colCount == 0, wxT("no columns should be left") );
 924
 925     return TRUE;
 926 }
 927
 928 // Deletes a column
 929 bool wxListCtrl::DeleteColumn(int col)
 930 {
 931     bool success = (ListView_DeleteColumn(GetHwnd(), col) != 0);
 932
 933     if ( success && (m_colCount > 0) )
 934         m_colCount --;
 935     return success;
 936 }
 937
 938 // Clears items, and columns if there are any.
 939 void wxListCtrl::ClearAll()
 940 {
 941     DeleteAllItems();
 942     if ( m_colCount > 0 )
 943         DeleteAllColumns();
 944 }
 945
 946 wxTextCtrl* wxListCtrl::EditLabel(long item, wxClassInfo* textControlClass)
 947 {
 948     wxASSERT( (textControlClass->IsKindOf(CLASSINFO(wxTextCtrl))) );
 949
 950     HWND hWnd = (HWND) ListView_EditLabel(GetHwnd(), item);
 951
 952     if (m_textCtrl)
 953     {
 954         m_textCtrl->UnsubclassWin();
 955         m_textCtrl->SetHWND(0);
 956         delete m_textCtrl;
 957         m_textCtrl = NULL;
 958     }
 959
 960     m_textCtrl = (wxTextCtrl*) textControlClass->CreateObject();
 961     m_textCtrl->SetHWND((WXHWND) hWnd);
 962     m_textCtrl->SubclassWin((WXHWND) hWnd);
 963
 964     return m_textCtrl;
 965 }
 966
 967 // End label editing, optionally cancelling the edit
 968 bool wxListCtrl::EndEditLabel(bool cancel)
 969 {
 970     wxFAIL;
 971
 972     /* I don't know how to implement this: there's no such macro as ListView_EndEditLabelNow.
 973      * ???
 974      bool success = (ListView_EndEditLabelNow(GetHwnd(), cancel) != 0);
 975
 976      if (m_textCtrl)
 977      {
 978      m_textCtrl->UnsubclassWin();
 979      m_textCtrl->SetHWND(0);
 980      delete m_textCtrl;
 981      m_textCtrl = NULL;
 982      }
 983      return success;
 984      */
 985     return FALSE;
 986 }
 987
 988
 989 // Ensures this item is visible
 990 bool wxListCtrl::EnsureVisible(long item)
 991 {
 992     return (ListView_EnsureVisible(GetHwnd(), (int) item, FALSE) != 0);
 993 }
 994
 995 // Find an item whose label matches this string, starting from the item after 'start'
 996 // or the beginning if 'start' is -1.
 997 long wxListCtrl::FindItem(long start, const wxString& str, bool partial)
 998 {
 999     LV_FINDINFO findInfo;
1000
1001     findInfo.flags = LVFI_STRING;
1002     if ( partial )
1003         findInfo.flags |= LVFI_STRING;
1004     findInfo.psz = WXSTRINGCAST str;
1005
1006     return ListView_FindItem(GetHwnd(), (int) start, & findInfo);
1007 }
1008
1009 // Find an item whose data matches this data, starting from the item after 'start'
1010 // or the beginning if 'start' is -1.
1011 long wxListCtrl::FindItem(long start, long data)
1012 {
1013     LV_FINDINFO findInfo;
1014
1015     findInfo.flags = LVFI_PARAM;
1016     findInfo.lParam = data;
1017
1018     return ListView_FindItem(GetHwnd(), (int) start, & findInfo);
1019 }
1020
1021 // Find an item nearest this position in the specified direction, starting from
1022 // the item after 'start' or the beginning if 'start' is -1.
1023 long wxListCtrl::FindItem(long start, const wxPoint& pt, int direction)
1024 {
1025     LV_FINDINFO findInfo;
1026
1027     findInfo.flags = LVFI_NEARESTXY;
1028     findInfo.pt.x = pt.x;
1029     findInfo.pt.y = pt.y;
1030     findInfo.vkDirection = VK_RIGHT;
1031
1032     if ( direction == wxLIST_FIND_UP )
1033         findInfo.vkDirection = VK_UP;
1034     else if ( direction == wxLIST_FIND_DOWN )
1035         findInfo.vkDirection = VK_DOWN;
1036     else if ( direction == wxLIST_FIND_LEFT )
1037         findInfo.vkDirection = VK_LEFT;
1038     else if ( direction == wxLIST_FIND_RIGHT )
1039         findInfo.vkDirection = VK_RIGHT;
1040
1041     return ListView_FindItem(GetHwnd(), (int) start, & findInfo);
1042 }
1043
1044 // Determines which item (if any) is at the specified point,
1045 // giving details in 'flags' (see wxLIST_HITTEST_... flags above)
1046 long wxListCtrl::HitTest(const wxPoint& point, int& flags)
1047 {
1048     LV_HITTESTINFO hitTestInfo;
1049     hitTestInfo.pt.x = (int) point.x;
1050     hitTestInfo.pt.y = (int) point.y;
1051
1052     ListView_HitTest(GetHwnd(), & hitTestInfo);
1053
1054     flags = 0;
1055     if ( hitTestInfo.flags & LVHT_ABOVE )
1056         flags |= wxLIST_HITTEST_ABOVE;
1057     if ( hitTestInfo.flags & LVHT_BELOW )
1058         flags |= wxLIST_HITTEST_BELOW;
1059     if ( hitTestInfo.flags & LVHT_NOWHERE )
1060         flags |= wxLIST_HITTEST_NOWHERE;
1061     if ( hitTestInfo.flags & LVHT_ONITEMICON )
1062         flags |= wxLIST_HITTEST_ONITEMICON;
1063     if ( hitTestInfo.flags & LVHT_ONITEMLABEL )
1064         flags |= wxLIST_HITTEST_ONITEMLABEL;
1065     if ( hitTestInfo.flags & LVHT_ONITEMSTATEICON )
1066         flags |= wxLIST_HITTEST_ONITEMSTATEICON;
1067     if ( hitTestInfo.flags & LVHT_TOLEFT )
1068         flags |= wxLIST_HITTEST_TOLEFT;
1069     if ( hitTestInfo.flags & LVHT_TORIGHT )
1070         flags |= wxLIST_HITTEST_TORIGHT;
1071
1072     return (long) hitTestInfo.iItem;
1073 }
1074
1075 // Inserts an item, returning the index of the new item if successful,
1076 // -1 otherwise.
1077 long wxListCtrl::InsertItem(wxListItem& info)
1078 {
1079     LV_ITEM item;
1080     wxConvertToMSWListItem(this, info, item);
1081
1082     // check whether it has any custom attributes
1083     if ( info.HasAttributes() )
1084     {
1085         m_attrs.Put(item.iItem, (wxObject *)new wxListItemAttr(*info.GetAttributes()));
1086
1087         m_hasAnyAttr = TRUE;
1088     }
1089
1090     return (long) ListView_InsertItem(GetHwnd(), & item);
1091 }
1092
1093 long wxListCtrl::InsertItem(long index, const wxString& label)
1094 {
1095     wxListItem info;
1096     info.m_text = label;
1097     info.m_mask = wxLIST_MASK_TEXT;
1098     info.m_itemId = index;
1099     return InsertItem(info);
1100 }
1101
1102 // Inserts an image item
1103 long wxListCtrl::InsertItem(long index, int imageIndex)
1104 {
1105     wxListItem info;
1106     info.m_image = imageIndex;
1107     info.m_mask = wxLIST_MASK_IMAGE;
1108     info.m_itemId = index;
1109     return InsertItem(info);
1110 }
1111
1112 // Inserts an image/string item
1113 long wxListCtrl::InsertItem(long index, const wxString& label, int imageIndex)
1114 {
1115     wxListItem info;
1116     info.m_image = imageIndex;
1117     info.m_text = label;
1118     info.m_mask = wxLIST_MASK_IMAGE | wxLIST_MASK_TEXT;
1119     info.m_itemId = index;
1120     return InsertItem(info);
1121 }
1122
1123 // For list view mode (only), inserts a column.
1124 long wxListCtrl::InsertColumn(long col, wxListItem& item)
1125 {
1126     LV_COLUMN lvCol;
1127     lvCol.mask = 0;
1128     lvCol.fmt = 0;
1129     lvCol.pszText = NULL;
1130
1131     if ( item.m_mask & wxLIST_MASK_TEXT )
1132     {
1133         lvCol.mask |= LVCF_TEXT;
1134         lvCol.pszText = WXSTRINGCAST item.m_text;
1135         lvCol.cchTextMax = 0; // Ignored
1136     }
1137     if ( item.m_mask & wxLIST_MASK_FORMAT )
1138     {
1139         lvCol.mask |= LVCF_FMT;
1140
1141         if ( item.m_format == wxLIST_FORMAT_LEFT )
1142             lvCol.fmt = LVCFMT_LEFT;
1143         if ( item.m_format == wxLIST_FORMAT_RIGHT )
1144             lvCol.fmt = LVCFMT_RIGHT;
1145         if ( item.m_format == wxLIST_FORMAT_CENTRE )
1146             lvCol.fmt = LVCFMT_CENTER;
1147     }
1148
1149     lvCol.mask |= LVCF_WIDTH;
1150     if ( item.m_mask & wxLIST_MASK_WIDTH )
1151     {
1152         if ( item.m_width == wxLIST_AUTOSIZE)
1153             lvCol.cx = LVSCW_AUTOSIZE;
1154         else if ( item.m_width == wxLIST_AUTOSIZE_USEHEADER)
1155             lvCol.cx = LVSCW_AUTOSIZE_USEHEADER;
1156         else
1157             lvCol.cx = item.m_width;
1158     }
1159     else
1160     {
1161         // always give some width to the new column: this one is compatible
1162         // with wxGTK
1163         lvCol.cx = 80;
1164     }
1165
1166     lvCol.mask |= LVCF_SUBITEM;
1167     lvCol.iSubItem = col;
1168
1169     bool success = ListView_InsertColumn(GetHwnd(), col, & lvCol) != -1;
1170     if ( success )
1171     {
1172         m_colCount++;
1173     }
1174     else
1175     {
1176         wxLogDebug(wxT("Failed to insert the column '%s' into listview!"),
1177                    lvCol.pszText);
1178     }
1179
1180     return success;
1181 }
1182
1183 long wxListCtrl::InsertColumn(long col,
1184                               const wxString& heading,
1185                               int format,
1186                               int width)
1187 {
1188     wxListItem item;
1189     item.m_mask = wxLIST_MASK_TEXT | wxLIST_MASK_FORMAT;
1190     item.m_text = heading;
1191     if ( width > -1 )
1192     {
1193         item.m_mask |= wxLIST_MASK_WIDTH;
1194         item.m_width = width;
1195     }
1196     item.m_format = format;
1197
1198     return InsertColumn(col, item);
1199 }
1200
1201 // Scrolls the list control. If in icon, small icon or report view mode,
1202 // x specifies the number of pixels to scroll. If in list view mode, x
1203 // specifies the number of columns to scroll.
1204 // If in icon, small icon or list view mode, y specifies the number of pixels
1205 // to scroll. If in report view mode, y specifies the number of lines to scroll.
1206 bool wxListCtrl::ScrollList(int dx, int dy)
1207 {
1208     return (ListView_Scroll(GetHwnd(), dx, dy) != 0);
1209 }
1210
1211 // Sort items.
1212
1213 // fn is a function which takes 3 long arguments: item1, item2, data.
1214 // item1 is the long data associated with a first item (NOT the index).
1215 // item2 is the long data associated with a second item (NOT the index).
1216 // data is the same value as passed to SortItems.
1217 // The return value is a negative number if the first item should precede the second
1218 // item, a positive number of the second item should precede the first,
1219 // or zero if the two items are equivalent.
1220
1221 // data is arbitrary data to be passed to the sort function.
1222 bool wxListCtrl::SortItems(wxListCtrlCompare fn, long data)
1223 {
1224     return (ListView_SortItems(GetHwnd(), (PFNLVCOMPARE) fn, data) != 0);
1225 }
1226
1227 // ----------------------------------------------------------------------------
1228 // message processing
1229 // ----------------------------------------------------------------------------
1230
1231 bool wxListCtrl::MSWCommand(WXUINT cmd, WXWORD id)
1232 {
1233     if (cmd == EN_UPDATE)
1234     {
1235         wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, id);
1236         event.SetEventObject( this );
1237         ProcessCommand(event);
1238         return TRUE;
1239     }
1240     else if (cmd == EN_KILLFOCUS)
1241     {
1242         wxCommandEvent event(wxEVT_KILL_FOCUS, id);
1243         event.SetEventObject( this );
1244         ProcessCommand(event);
1245         return TRUE;
1246     }
1247     else
1248         return FALSE;
1249 }
1250
1251 bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
1252 {
1253     // prepare the event
1254     // -----------------
1255
1256     wxListEvent event(wxEVT_NULL, m_windowId);
1257     wxEventType eventType = wxEVT_NULL;
1258     NMHDR *nmhdr = (NMHDR *)lParam;
1259     switch ( nmhdr->code )
1260     {
1261         case LVN_BEGINRDRAG:
1262             eventType = wxEVT_COMMAND_LIST_BEGIN_RDRAG;
1263             // fall through
1264
1265         case LVN_BEGINDRAG:
1266             if ( eventType == wxEVT_NULL )
1267             {
1268                 eventType = wxEVT_COMMAND_LIST_BEGIN_DRAG;
1269             }
1270
1271             {
1272                 NM_LISTVIEW *hdr = (NM_LISTVIEW *)lParam;
1273                 event.m_itemIndex = hdr->iItem;
1274                 event.m_pointDrag.x = hdr->ptAction.x;
1275                 event.m_pointDrag.y = hdr->ptAction.y;
1276             }
1277             break;
1278
1279         case LVN_BEGINLABELEDIT:
1280             {
1281                 eventType = wxEVT_COMMAND_LIST_BEGIN_LABEL_EDIT;
1282                 LV_DISPINFO *info = (LV_DISPINFO *)lParam;
1283                 wxConvertFromMSWListItem(this, event.m_item, info->item, GetHwnd());
1284                 break;
1285             }
1286
1287         case LVN_COLUMNCLICK:
1288             {
1289                 eventType = wxEVT_COMMAND_LIST_COL_CLICK;
1290                 NM_LISTVIEW* hdr = (NM_LISTVIEW*)lParam;
1291                 event.m_itemIndex = -1;
1292                 event.m_col = hdr->iSubItem;
1293                 break;
1294             }
1295
1296         case LVN_DELETEALLITEMS:
1297             // what's the sense of generating a wxWin event for this when
1298             // it's absolutely not portable?
1299 #if 0
1300             eventType = wxEVT_COMMAND_LIST_DELETE_ALL_ITEMS;
1301             event.m_itemIndex = -1;
1302 #endif // 0
1303
1304             // return TRUE to suppress all additional LVN_DELETEITEM
1305             // notifications - this makes deleting all items from a list ctrl
1306             // much faster
1307             *result = TRUE;
1308
1309             return TRUE;
1310
1311         case LVN_DELETEITEM:
1312             {
1313                 eventType = wxEVT_COMMAND_LIST_DELETE_ITEM;
1314                 NM_LISTVIEW* hdr = (NM_LISTVIEW*)lParam;
1315                 event.m_itemIndex = hdr->iItem;
1316
1317                 if ( m_hasAnyAttr )
1318                 {
1319                     delete (wxListItemAttr *)m_attrs.Delete(hdr->iItem);
1320                 }
1321             }
1322             break;
1323
1324         case LVN_ENDLABELEDIT:
1325             {
1326                 eventType = wxEVT_COMMAND_LIST_END_LABEL_EDIT;
1327                 LV_DISPINFO *info = (LV_DISPINFO *)lParam;
1328                 wxConvertFromMSWListItem(this, event.m_item, info->item);
1329                 if ( info->item.pszText == NULL || info->item.iItem == -1 )
1330                     return FALSE;
1331             }
1332             break;
1333
1334         case LVN_SETDISPINFO:
1335             {
1336                 eventType = wxEVT_COMMAND_LIST_SET_INFO;
1337                 LV_DISPINFO *info = (LV_DISPINFO *)lParam;
1338                 wxConvertFromMSWListItem(this, event.m_item, info->item, GetHwnd());
1339             }
1340             break;
1341
1342         case LVN_GETDISPINFO:
1343                 // this provokes stack overflow: indeed, wxConvertFromMSWListItem()
1344                 // sends us WM_NOTIFY! As it doesn't do anything for now, just leave
1345                 // it out.
1346 #if 0
1347             {
1348                 // TODO: some text buffering here, I think
1349                 // TODO: API for getting Windows to retrieve values
1350                 // on demand.
1351                 eventType = wxEVT_COMMAND_LIST_GET_INFO;
1352                 LV_DISPINFO *info = (LV_DISPINFO *)lParam;
1353                 wxConvertFromMSWListItem(this, event.m_item, info->item, GetHwnd());
1354                 break;
1355             }
1356 #endif // 0
1357                 return FALSE;
1358
1359
1360         case LVN_INSERTITEM:
1361             {
1362                 eventType = wxEVT_COMMAND_LIST_INSERT_ITEM;
1363                 NM_LISTVIEW* hdr = (NM_LISTVIEW*)lParam;
1364                 event.m_itemIndex = hdr->iItem;
1365                 break;
1366             }
1367
1368         case LVN_ITEMCHANGED:
1369             {
1370                 // This needs to be sent to wxListCtrl as a rather more
1371                 // concrete event. For now, just detect a selection
1372                 // or deselection.
1373                 NM_LISTVIEW* hdr = (NM_LISTVIEW*)lParam;
1374                 if ( (hdr->uNewState & LVIS_SELECTED) && !(hdr->uOldState & LVIS_SELECTED) )
1375                 {
1376                     eventType = wxEVT_COMMAND_LIST_ITEM_SELECTED;
1377                     event.m_itemIndex = hdr->iItem;
1378                 }
1379                 else if ( !(hdr->uNewState & LVIS_SELECTED) && (hdr->uOldState & LVIS_SELECTED) )
1380                 {
1381                     eventType = wxEVT_COMMAND_LIST_ITEM_DESELECTED;
1382                     event.m_itemIndex = hdr->iItem;
1383                 }
1384                 else
1385                     return FALSE;
1386                 break;
1387             }
1388
1389         case LVN_KEYDOWN:
1390             {
1391                 LV_KEYDOWN *info = (LV_KEYDOWN *)lParam;
1392                 WORD wVKey = info->wVKey;
1393
1394                 // get the current selection
1395                 long lItem = GetNextItem(-1,
1396                                          wxLIST_NEXT_ALL,
1397                                          wxLIST_STATE_SELECTED);
1398
1399                 // <Enter> or <Space> activate the selected item if any
1400                 if ( lItem != -1 && (wVKey == VK_RETURN || wVKey == VK_SPACE) )
1401                 {
1402                     // TODO this behaviour probably should be optional
1403                     eventType = wxEVT_COMMAND_LIST_ITEM_ACTIVATED;
1404                     event.m_itemIndex = lItem;
1405                 }
1406                 else
1407                 {
1408                     eventType = wxEVT_COMMAND_LIST_KEY_DOWN;
1409                     event.m_code = wxCharCodeMSWToWX(wVKey);
1410                 }
1411                 break;
1412             }
1413
1414         case NM_DBLCLK:
1415             // if the user processes it in wxEVT_COMMAND_LEFT_CLICK(), don't do
1416             // anything else
1417             if ( wxControl::MSWOnNotify(idCtrl, lParam, result) )
1418             {
1419                 return TRUE;
1420             }
1421
1422             // else translate it into wxEVT_COMMAND_LIST_ITEM_ACTIVATED event
1423             // if it happened on an item (and not on empty place)
1424             {
1425                 NM_LISTVIEW* hdr = (NM_LISTVIEW*)lParam;
1426                 if ( hdr->iItem == -1 )
1427                 {
1428                     // not on item
1429                     return FALSE;
1430                 }
1431
1432                 eventType = wxEVT_COMMAND_LIST_ITEM_ACTIVATED;
1433                 event.m_itemIndex = hdr->iItem;
1434             }
1435             break;
1436
1437         case NM_RCLICK:
1438         /* TECH NOTE: NM_RCLICK isn't really good enough here. We want to
1439            subclass and check for the actual WM_RBUTTONDOWN message, because
1440            NM_RCLICK waits for the WM_RBUTTONUP message as well before firing off.
1441            We want to have notify events for both down -and- up. */
1442         {
1443             // if the user processes it in wxEVT_COMMAND_RIGHT_CLICK(), don't do
1444             // anything else
1445             if ( wxControl::MSWOnNotify(idCtrl, lParam, result) ) {
1446                 return TRUE;
1447             }
1448
1449             // else translate it into wxEVT_COMMAND_LIST_ITEM_RIGHT_CLICK event
1450             LV_HITTESTINFO lvhti;
1451             wxZeroMemory(lvhti);
1452
1453             ::GetCursorPos(&(lvhti.pt));
1454             ::ScreenToClient(GetHwnd(),&(lvhti.pt));
1455             if ( ListView_HitTest(GetHwnd(),&lvhti) != -1 )
1456             {
1457                 if ( lvhti.flags & LVHT_ONITEM )
1458                 {
1459                     eventType = wxEVT_COMMAND_LIST_ITEM_RIGHT_CLICK;
1460                     event.m_itemIndex = lvhti.iItem;
1461                 }
1462             }
1463         }
1464             break;
1465
1466 #if 0
1467         case NM_MCLICK: // ***** THERE IS NO NM_MCLICK. Subclass anyone? ******
1468             {
1469                 // if the user processes it in wxEVT_COMMAND_MIDDLE_CLICK(), don't do
1470                 // anything else
1471                 if ( wxControl::MSWOnNotify(idCtrl, lParam, result) )
1472                 {
1473                     return TRUE;
1474                 }
1475
1476                 // else translate it into wxEVT_COMMAND_LIST_ITEM_MIDDLE_CLICK event
1477                 eventType = wxEVT_COMMAND_LIST_ITEM_MIDDLE_CLICK;
1478                 NMITEMACTIVATE* hdr = (NMITEMACTIVATE*)lParam;
1479                 event.m_itemIndex = hdr->iItem;
1480             }
1481             break;
1482 #endif // 0
1483
1484 #if defined(_WIN32_IE) && _WIN32_IE >= 0x300
1485         case NM_CUSTOMDRAW:
1486             {
1487                 LPNMLVCUSTOMDRAW lplvcd = (LPNMLVCUSTOMDRAW)lParam;
1488                 NMCUSTOMDRAW& nmcd = lplvcd->nmcd;
1489                 switch( nmcd.dwDrawStage )
1490                 {
1491                     case CDDS_PREPAINT:
1492                         // if we've got any items with non standard attributes,
1493                         // notify us before painting each item
1494                         *result = m_hasAnyAttr ? CDRF_NOTIFYITEMDRAW
1495                                                : CDRF_DODEFAULT;
1496                         return TRUE;
1497
1498                     case CDDS_ITEMPREPAINT:
1499                         {
1500                             wxListItemAttr *attr =
1501                                 (wxListItemAttr *)m_attrs.Get(nmcd.dwItemSpec);
1502
1503                             if ( !attr )
1504                             {
1505                                 // nothing to do for this item
1506                                 return CDRF_DODEFAULT;
1507                             }
1508
1509                             HFONT hFont;
1510                             wxColour colText, colBack;
1511                             if ( attr->HasFont() )
1512                             {
1513                                 wxFont font = attr->GetFont();
1514                                 hFont = (HFONT)font.GetResourceHandle();
1515                             }
1516                             else
1517                             {
1518                                 hFont = 0;
1519                             }
1520
1521                             if ( attr->HasTextColour() )
1522                             {
1523                                 colText = attr->GetTextColour();
1524                             }
1525                             else
1526                             {
1527                                 colText = GetTextColour();
1528                             }
1529
1530                             if ( attr->HasBackgroundColour() )
1531                             {
1532                                 colBack = attr->GetBackgroundColour();
1533                             }
1534                             else
1535                             {
1536                                 colBack = GetBackgroundColour();
1537                             }
1538
1539                             // note that if we wanted to set colours for
1540                             // individual columns (subitems), we would have
1541                             // returned CDRF_NOTIFYSUBITEMREDRAW from here
1542                             if ( hFont )
1543                             {
1544                                 ::SelectObject(nmcd.hdc, hFont);
1545
1546                                 *result = CDRF_NEWFONT;
1547                             }
1548                             else
1549                             {
1550                                 *result = CDRF_DODEFAULT;
1551                             }
1552
1553                             lplvcd->clrText = wxColourToRGB(colText);
1554                             lplvcd->clrTextBk = wxColourToRGB(colBack);
1555
1556                             return TRUE;
1557                         }
1558
1559                     default:
1560                         *result = CDRF_DODEFAULT;
1561                         return TRUE;
1562                 }
1563             }
1564             break;
1565 #endif // _WIN32_IE >= 0x300
1566
1567         default:
1568             return wxControl::MSWOnNotify(idCtrl, lParam, result);
1569     }
1570
1571     // process the event
1572     // -----------------
1573
1574     event.SetEventObject( this );
1575     event.SetEventType(eventType);
1576
1577     if ( !GetEventHandler()->ProcessEvent(event) )
1578         return FALSE;
1579
1580     // post processing
1581     // ---------------
1582
1583     switch ( (int)nmhdr->code )
1584     {
1585         case LVN_GETDISPINFO:
1586             {
1587                 LV_DISPINFO *info = (LV_DISPINFO *)lParam;
1588                 if ( info->item.mask & LVIF_TEXT )
1589                 {
1590                     if ( !event.m_item.m_text.IsNull() )
1591                     {
1592                         info->item.pszText = AddPool(event.m_item.m_text);
1593                         info->item.cchTextMax = wxStrlen(info->item.pszText) + 1;
1594                     }
1595                 }
1596                 //    wxConvertToMSWListItem(this, event.m_item, info->item);
1597                 break;
1598             }
1599         case LVN_ENDLABELEDIT:
1600             {
1601                 *result = event.IsAllowed();
1602                 return TRUE;
1603             }
1604         default:
1605             break;
1606     }
1607
1608     *result = !event.IsAllowed();
1609
1610     return TRUE;
1611 }
1612
1613 wxChar *wxListCtrl::AddPool(const wxString& str)
1614 {
1615     // Remove the first element if 3 strings exist
1616     if ( m_stringPool.Number() == 3 )
1617     {
1618         wxNode *node = m_stringPool.First();
1619         delete[] (char *)node->Data();
1620         delete node;
1621     }
1622     wxNode *node = m_stringPool.Add(WXSTRINGCAST str);
1623     return (wxChar *)node->Data();
1624 }
1625
1626 // ----------------------------------------------------------------------------
1627 // wxListItem
1628 // ----------------------------------------------------------------------------
1629
1630 // List item structure
1631 wxListItem::wxListItem()
1632 {
1633     m_mask = 0;
1634     m_itemId = 0;
1635     m_col = 0;
1636     m_state = 0;
1637     m_stateMask = 0;
1638     m_image = 0;
1639     m_data = 0;
1640
1641     m_format = wxLIST_FORMAT_CENTRE;
1642     m_width = 0;
1643
1644     m_attr = NULL;
1645 }
1646
1647 void wxListItem::Clear()
1648 {
1649     m_mask = 0;
1650     m_itemId = 0;
1651     m_col = 0;
1652     m_state = 0;
1653     m_stateMask = 0;
1654     m_image = 0;
1655     m_data = 0;
1656     m_format = wxLIST_FORMAT_CENTRE;
1657     m_width = 0;
1658     m_text = wxEmptyString;
1659
1660     if (m_attr) delete m_attr;
1661     m_attr = NULL;
1662 }
1663
1664 void wxListItem::ClearAttributes()
1665 {
1666     if (m_attr) delete m_attr;
1667     m_attr = NULL;
1668 }
1669
1670 static void wxConvertFromMSWListItem(const wxListCtrl *ctrl, wxListItem& info, LV_ITEM& lvItem, HWND getFullInfo)
1671 {
1672     info.m_data = lvItem.lParam;
1673     info.m_mask = 0;
1674     info.m_state = 0;
1675     info.m_stateMask = 0;
1676     info.m_itemId = lvItem.iItem;
1677
1678     long oldMask = lvItem.mask;
1679
1680     bool needText = FALSE;
1681     if (getFullInfo != 0)
1682     {
1683         if ( lvItem.mask & LVIF_TEXT )
1684             needText = FALSE;
1685         else
1686             needText = TRUE;
1687
1688         if ( needText )
1689         {
1690             lvItem.pszText = new wxChar[513];
1691             lvItem.cchTextMax = 512;
1692         }
1693         //    lvItem.mask |= TVIF_HANDLE | TVIF_STATE | TVIF_TEXT | TVIF_IMAGE | TVIF_SELECTEDIMAGE | TVIF_CHILDREN | TVIF_PARAM;
1694         lvItem.mask |= LVIF_TEXT | LVIF_IMAGE | LVIF_PARAM;
1695         ::SendMessage(getFullInfo, LVM_GETITEM, 0, (LPARAM)& lvItem);
1696     }
1697
1698     if ( lvItem.mask & LVIF_STATE )
1699     {
1700         info.m_mask |= wxLIST_MASK_STATE;
1701
1702         if ( lvItem.stateMask & LVIS_CUT)
1703         {
1704             info.m_stateMask |= wxLIST_STATE_CUT;
1705             if ( lvItem.state & LVIS_CUT )
1706                 info.m_state |= wxLIST_STATE_CUT;
1707         }
1708         if ( lvItem.stateMask & LVIS_DROPHILITED)
1709         {
1710             info.m_stateMask |= wxLIST_STATE_DROPHILITED;
1711             if ( lvItem.state & LVIS_DROPHILITED )
1712                 info.m_state |= wxLIST_STATE_DROPHILITED;
1713         }
1714         if ( lvItem.stateMask & LVIS_FOCUSED)
1715         {
1716             info.m_stateMask |= wxLIST_STATE_FOCUSED;
1717             if ( lvItem.state & LVIS_FOCUSED )
1718                 info.m_state |= wxLIST_STATE_FOCUSED;
1719         }
1720         if ( lvItem.stateMask & LVIS_SELECTED)
1721         {
1722             info.m_stateMask |= wxLIST_STATE_SELECTED;
1723             if ( lvItem.state & LVIS_SELECTED )
1724                 info.m_state |= wxLIST_STATE_SELECTED;
1725         }
1726     }
1727
1728     if ( lvItem.mask & LVIF_TEXT )
1729     {
1730         info.m_mask |= wxLIST_MASK_TEXT;
1731         info.m_text = lvItem.pszText;
1732     }
1733     if ( lvItem.mask & LVIF_IMAGE )
1734     {
1735         info.m_mask |= wxLIST_MASK_IMAGE;
1736         info.m_image = lvItem.iImage;
1737     }
1738     if ( lvItem.mask & LVIF_PARAM )
1739         info.m_mask |= wxLIST_MASK_DATA;
1740     if ( lvItem.mask & LVIF_DI_SETITEM )
1741         info.m_mask |= wxLIST_SET_ITEM;
1742     info.m_col = lvItem.iSubItem;
1743
1744     if (needText)
1745     {
1746         if (lvItem.pszText)
1747             delete[] lvItem.pszText;
1748     }
1749     lvItem.mask = oldMask;
1750 }
1751
1752 static void wxConvertToMSWListItem(const wxListCtrl *ctrl, wxListItem& info, LV_ITEM& lvItem)
1753 {
1754     lvItem.iItem = (int) info.m_itemId;
1755
1756     lvItem.iImage = info.m_image;
1757     lvItem.lParam = info.m_data;
1758     lvItem.stateMask = 0;
1759     lvItem.state = 0;
1760     lvItem.mask = 0;
1761     lvItem.iSubItem = info.m_col;
1762
1763     if (info.m_mask & wxLIST_MASK_STATE)
1764     {
1765         lvItem.mask |= LVIF_STATE;
1766         if (info.m_stateMask & wxLIST_STATE_CUT)
1767         {
1768             lvItem.stateMask |= LVIS_CUT;
1769             if (info.m_state & wxLIST_STATE_CUT)
1770                 lvItem.state |= LVIS_CUT;
1771         }
1772         if (info.m_stateMask & wxLIST_STATE_DROPHILITED)
1773         {
1774             lvItem.stateMask |= LVIS_DROPHILITED;
1775             if (info.m_state & wxLIST_STATE_DROPHILITED)
1776                 lvItem.state |= LVIS_DROPHILITED;
1777         }
1778         if (info.m_stateMask & wxLIST_STATE_FOCUSED)
1779         {
1780             lvItem.stateMask |= LVIS_FOCUSED;
1781             if (info.m_state & wxLIST_STATE_FOCUSED)
1782                 lvItem.state |= LVIS_FOCUSED;
1783         }
1784         if (info.m_stateMask & wxLIST_STATE_SELECTED)
1785         {
1786             lvItem.stateMask |= LVIS_SELECTED;
1787             if (info.m_state & wxLIST_STATE_SELECTED)
1788                 lvItem.state |= LVIS_SELECTED;
1789         }
1790     }
1791
1792     if (info.m_mask & wxLIST_MASK_TEXT)
1793     {
1794         lvItem.mask |= LVIF_TEXT;
1795         if ( ctrl->GetWindowStyleFlag() & wxLC_USER_TEXT )
1796         {
1797             lvItem.pszText = LPSTR_TEXTCALLBACK;
1798         }
1799         else
1800         {
1801             lvItem.pszText = WXSTRINGCAST info.m_text;
1802             if ( lvItem.pszText )
1803                 lvItem.cchTextMax = info.m_text.Length();
1804             else
1805                 lvItem.cchTextMax = 0;
1806         }
1807     }
1808     if (info.m_mask & wxLIST_MASK_IMAGE)
1809         lvItem.mask |= LVIF_IMAGE;
1810     if (info.m_mask & wxLIST_MASK_DATA)
1811         lvItem.mask |= LVIF_PARAM;
1812 }
1813
1814 // ----------------------------------------------------------------------------
1815 // List event
1816 // ----------------------------------------------------------------------------
1817
1818 IMPLEMENT_DYNAMIC_CLASS(wxListEvent, wxNotifyEvent)
1819
1820 wxListEvent::wxListEvent(wxEventType commandType, int id)
1821            : wxNotifyEvent(commandType, id)
1822 {
1823     m_code = 0;
1824     m_itemIndex = 0;
1825     m_oldItemIndex = 0;
1826     m_col = 0;
1827     m_cancelled = FALSE;
1828 }
1829
1830 #endif // __WIN95__
1831