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 #ifdef __GNUWIN32__
  43     #include "wx/msw/gnuwin32/extra.h"
  44 #else
  45     #include <commctrl.h>
  46 #endif
  47
  48 // ----------------------------------------------------------------------------
  49 // private functions
  50 // ----------------------------------------------------------------------------
  51
  52 static void wxConvertToMSWListItem(const wxListCtrl *ctrl, wxListItem& info, LV_ITEM& tvItem);
  53 static void wxConvertFromMSWListItem(const wxListCtrl *ctrl, wxListItem& info, LV_ITEM& tvItem, HWND getFullInfo = 0);
  54
  55 // ----------------------------------------------------------------------------
  56 // macros
  57 // ----------------------------------------------------------------------------
  58
  59 #if !USE_SHARED_LIBRARY
  60     IMPLEMENT_DYNAMIC_CLASS(wxListCtrl, wxControl)
  61     IMPLEMENT_DYNAMIC_CLASS(wxListItem, wxObject)
  62 #endif // USE_SHARED_LIBRARY
  63
  64 // ============================================================================
  65 // implementation
  66 // ============================================================================
  67
  68 // ----------------------------------------------------------------------------
  69 // wxListCtrl construction
  70 // ----------------------------------------------------------------------------
  71
  72 wxListCtrl::wxListCtrl()
  73 {
  74     m_imageListNormal = NULL;
  75     m_imageListSmall = NULL;
  76     m_imageListState = NULL;
  77     m_baseStyle = 0;
  78     m_colCount = 0;
  79     m_textCtrl = NULL;
  80 }
  81
  82 bool wxListCtrl::Create(wxWindow *parent,
  83                         wxWindowID id,
  84                         const wxPoint& pos,
  85                         const wxSize& size,
  86                         long style,
  87                         const wxValidator& validator,
  88                         const wxString& name)
  89 {
  90     m_imageListNormal = NULL;
  91     m_imageListSmall = NULL;
  92     m_imageListState = NULL;
  93     m_textCtrl = NULL;
  94     m_colCount = 0;
  95
  96     SetValidator(validator);
  97     SetName(name);
  98
  99     int x = pos.x;
 100     int y = pos.y;
 101     int width = size.x;
 102     int height = size.y;
 103
 104     m_windowStyle = style;
 105
 106     SetParent(parent);
 107
 108     if (width <= 0)
 109         width = 100;
 110     if (height <= 0)
 111         height = 30;
 112     if (x < 0)
 113         x = 0;
 114     if (y < 0)
 115         y = 0;
 116
 117     m_windowId = (id == -1) ? NewControlId() : id;
 118
 119     DWORD wstyle = WS_VISIBLE | WS_CHILD | WS_TABSTOP |
 120                    LVS_SHAREIMAGELISTS | LVS_SHOWSELALWAYS;
 121     if ( wxStyleHasBorder(m_windowStyle) )
 122         wstyle |= WS_BORDER;
 123     m_baseStyle = wstyle;
 124
 125     if ( !DoCreateControl(x, y, width, height) )
 126         return FALSE;
 127
 128     if (parent)
 129         parent->AddChild(this);
 130
 131     return TRUE;
 132 }
 133
 134 bool wxListCtrl::DoCreateControl(int x, int y, int w, int h)
 135 {
 136     DWORD wstyle = m_baseStyle;
 137
 138     bool want3D;
 139     WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D);
 140
 141     // Even with extended styles, need to combine with WS_BORDER
 142     // for them to look right.
 143     if ( want3D )
 144         wstyle |= WS_BORDER;
 145
 146     long oldStyle = 0; // Dummy
 147     wstyle |= ConvertToMSWStyle(oldStyle, m_windowStyle);
 148
 149     // Create the ListView control.
 150     m_hWnd = (WXHWND)CreateWindowEx(exStyle,
 151                                     WC_LISTVIEW,
 152                                     _T(""),
 153                                     wstyle,
 154                                     x, y, w, h,
 155                                     GetWinHwnd(GetParent()),
 156                                     (HMENU)m_windowId,
 157                                     wxGetInstance(),
 158                                     NULL);
 159
 160     if ( !m_hWnd )
 161     {
 162         wxLogError(_T("Can't create list control window."));
 163
 164         return FALSE;
 165     }
 166
 167     // for comctl32.dll v 4.70+ we want to have this attribute because it's
 168     // prettier (and also because wxGTK does it like this)
 169 #ifdef ListView_SetExtendedListViewStyle
 170     if ( wstyle & LVS_REPORT )
 171     {
 172         ListView_SetExtendedListViewStyle(GetHwnd(),
 173                                           LVS_EX_FULLROWSELECT);
 174     }
 175 #endif // ListView_SetExtendedListViewStyle
 176
 177     wxSystemSettings settings;
 178     SetBackgroundColour(settings.GetSystemColour(wxSYS_COLOUR_WINDOW));
 179     SetForegroundColour(GetParent()->GetForegroundColour());
 180
 181     SubclassWin(m_hWnd);
 182
 183     return TRUE;
 184 }
 185
 186 void wxListCtrl::UpdateStyle()
 187 {
 188     if ( GetHWND() )
 189     {
 190         // The new window view style
 191         long dummy;
 192         DWORD dwStyleNew = ConvertToMSWStyle(dummy, m_windowStyle);
 193         dwStyleNew |= m_baseStyle;
 194
 195         // Get the current window style.
 196         DWORD dwStyleOld = ::GetWindowLong(GetHwnd(), GWL_STYLE);
 197
 198         // Only set the window style if the view bits have changed.
 199         if ( dwStyleOld != dwStyleNew )
 200         {
 201             ::SetWindowLong(GetHwnd(), GWL_STYLE, dwStyleNew);
 202         }
 203     }
 204 }
 205
 206 wxListCtrl::~wxListCtrl()
 207 {
 208     if (m_textCtrl)
 209     {
 210         m_textCtrl->UnsubclassWin();
 211         m_textCtrl->SetHWND(0);
 212         delete m_textCtrl;
 213         m_textCtrl = NULL;
 214     }
 215 }
 216
 217 // ----------------------------------------------------------------------------
 218 // set/get/change style
 219 // ----------------------------------------------------------------------------
 220
 221 // Add or remove a single window style
 222 void wxListCtrl::SetSingleStyle(long style, bool add)
 223 {
 224     long flag = GetWindowStyleFlag();
 225
 226     // Get rid of conflicting styles
 227     if ( add )
 228     {
 229         if ( style & wxLC_MASK_TYPE)
 230             flag = flag & ~wxLC_MASK_TYPE;
 231         if ( style & wxLC_MASK_ALIGN )
 232             flag = flag & ~wxLC_MASK_ALIGN;
 233         if ( style & wxLC_MASK_SORT )
 234             flag = flag & ~wxLC_MASK_SORT;
 235     }
 236
 237     if ( flag & style )
 238     {
 239         if ( !add )
 240             flag -= style;
 241     }
 242     else
 243     {
 244         if ( add )
 245         {
 246             flag |= style;
 247         }
 248     }
 249
 250     m_windowStyle = flag;
 251
 252     UpdateStyle();
 253 }
 254
 255 // Set the whole window style
 256 void wxListCtrl::SetWindowStyleFlag(long flag)
 257 {
 258     m_windowStyle = flag;
 259
 260     UpdateStyle();
 261 }
 262
 263 // Can be just a single style, or a bitlist
 264 long wxListCtrl::ConvertToMSWStyle(long& oldStyle, long style) const
 265 {
 266     long wstyle = 0;
 267     if ( style & wxLC_ICON )
 268     {
 269         if ( (oldStyle & LVS_TYPEMASK) == LVS_SMALLICON )
 270             oldStyle -= LVS_SMALLICON;
 271         if ( (oldStyle & LVS_TYPEMASK) == LVS_REPORT )
 272             oldStyle -= LVS_REPORT;
 273         if ( (oldStyle & LVS_TYPEMASK) == LVS_LIST )
 274             oldStyle -= LVS_LIST;
 275         wstyle |= LVS_ICON;
 276     }
 277
 278     if ( style & wxLC_SMALL_ICON )
 279     {
 280         if ( (oldStyle & LVS_TYPEMASK) == LVS_ICON )
 281             oldStyle -= LVS_ICON;
 282         if ( (oldStyle & LVS_TYPEMASK) == LVS_REPORT )
 283             oldStyle -= LVS_REPORT;
 284         if ( (oldStyle & LVS_TYPEMASK) == LVS_LIST )
 285             oldStyle -= LVS_LIST;
 286         wstyle |= LVS_SMALLICON;
 287     }
 288
 289     if ( style & wxLC_LIST )
 290     {
 291         if ( (oldStyle & LVS_TYPEMASK) == LVS_ICON )
 292             oldStyle -= LVS_ICON;
 293         if ( (oldStyle & LVS_TYPEMASK) == LVS_REPORT )
 294             oldStyle -= LVS_REPORT;
 295         if ( (oldStyle & LVS_TYPEMASK) == LVS_SMALLICON )
 296             oldStyle -= LVS_SMALLICON;
 297         wstyle |= LVS_LIST;
 298     }
 299
 300     if ( style & wxLC_REPORT )
 301     {
 302         if ( (oldStyle & LVS_TYPEMASK) == LVS_ICON )
 303             oldStyle -= LVS_ICON;
 304         if ( (oldStyle & LVS_TYPEMASK) == LVS_LIST )
 305             oldStyle -= LVS_LIST;
 306         if ( (oldStyle & LVS_TYPEMASK) == LVS_SMALLICON )
 307             oldStyle -= LVS_SMALLICON;
 308
 309         wstyle |= LVS_REPORT;
 310     }
 311
 312     if ( style & wxLC_ALIGN_LEFT )
 313     {
 314         if ( oldStyle & LVS_ALIGNTOP )
 315             oldStyle -= LVS_ALIGNTOP;
 316         wstyle |= LVS_ALIGNLEFT;
 317     }
 318
 319     if ( style & wxLC_ALIGN_TOP )
 320     {
 321         if ( oldStyle & LVS_ALIGNLEFT )
 322             oldStyle -= LVS_ALIGNLEFT;
 323         wstyle |= LVS_ALIGNTOP;
 324     }
 325
 326     if ( style & wxLC_AUTOARRANGE )
 327         wstyle |= LVS_AUTOARRANGE;
 328
 329     // Apparently, no such style (documentation wrong?)
 330     /*
 331        if ( style & wxLC_BUTTON )
 332        wstyle |= LVS_BUTTON;
 333      */
 334
 335     if ( style & wxLC_NO_SORT_HEADER )
 336         wstyle |= LVS_NOSORTHEADER;
 337
 338     if ( style & wxLC_NO_HEADER )
 339         wstyle |= LVS_NOCOLUMNHEADER;
 340
 341     if ( style & wxLC_EDIT_LABELS )
 342         wstyle |= LVS_EDITLABELS;
 343
 344     if ( style & wxLC_SINGLE_SEL )
 345         wstyle |= LVS_SINGLESEL;
 346
 347     if ( style & wxLC_SORT_ASCENDING )
 348     {
 349         if ( oldStyle & LVS_SORTDESCENDING )
 350             oldStyle -= LVS_SORTDESCENDING;
 351         wstyle |= LVS_SORTASCENDING;
 352     }
 353
 354     if ( style & wxLC_SORT_DESCENDING )
 355     {
 356         if ( oldStyle & LVS_SORTASCENDING )
 357             oldStyle -= LVS_SORTASCENDING;
 358         wstyle |= LVS_SORTDESCENDING;
 359     }
 360
 361     return wstyle;
 362 }
 363
 364 // ----------------------------------------------------------------------------
 365 // accessors
 366 // ----------------------------------------------------------------------------
 367
 368 // Sets the background colour (GetBackgroundColour already implicit in
 369 // wxWindow class)
 370 bool wxListCtrl::SetBackgroundColour(const wxColour& col)
 371 {
 372     if ( !wxWindow::SetBackgroundColour(col) )
 373         return FALSE;
 374
 375     ListView_SetBkColor(GetHwnd(), PALETTERGB(col.Red(), col.Green(), col.Blue()));
 376
 377     return TRUE;
 378 }
 379
 380 // Gets information about this column
 381 bool wxListCtrl::GetColumn(int col, wxListItem& item) const
 382 {
 383     LV_COLUMN lvCol;
 384     lvCol.mask = 0;
 385     lvCol.fmt = 0;
 386     lvCol.pszText = NULL;
 387
 388     if ( item.m_mask & wxLIST_MASK_TEXT )
 389     {
 390         lvCol.mask |= LVCF_TEXT;
 391         lvCol.pszText = new wxChar[513];
 392         lvCol.cchTextMax = 512;
 393     }
 394
 395     bool success = (ListView_GetColumn(GetHwnd(), col, & lvCol) != 0);
 396
 397     //  item.m_subItem = lvCol.iSubItem;
 398     item.m_width = lvCol.cx;
 399
 400     if ( (item.m_mask & wxLIST_MASK_TEXT) && lvCol.pszText )
 401     {
 402         item.m_text = lvCol.pszText;
 403         delete[] lvCol.pszText;
 404     }
 405
 406     if ( item.m_mask & wxLIST_MASK_FORMAT )
 407     {
 408         if (lvCol.fmt == LVCFMT_LEFT)
 409             item.m_format = wxLIST_FORMAT_LEFT;
 410         else if (lvCol.fmt == LVCFMT_RIGHT)
 411             item.m_format = wxLIST_FORMAT_RIGHT;
 412         else if (lvCol.fmt == LVCFMT_CENTER)
 413             item.m_format = wxLIST_FORMAT_CENTRE;
 414     }
 415
 416     return success;
 417 }
 418
 419 // Sets information about this column
 420 bool wxListCtrl::SetColumn(int col, wxListItem& item)
 421 {
 422     LV_COLUMN lvCol;
 423     lvCol.mask = 0;
 424     lvCol.fmt = 0;
 425     lvCol.pszText = NULL;
 426
 427     if ( item.m_mask & wxLIST_MASK_TEXT )
 428     {
 429         lvCol.mask |= LVCF_TEXT;
 430         lvCol.pszText = WXSTRINGCAST item.m_text;
 431         lvCol.cchTextMax = 0; // Ignored
 432     }
 433     if ( item.m_mask & wxLIST_MASK_FORMAT )
 434     {
 435         lvCol.mask |= LVCF_FMT;
 436
 437         if ( item.m_format == wxLIST_FORMAT_LEFT )
 438             lvCol.fmt = LVCFMT_LEFT;
 439         if ( item.m_format == wxLIST_FORMAT_RIGHT )
 440             lvCol.fmt = LVCFMT_RIGHT;
 441         if ( item.m_format == wxLIST_FORMAT_CENTRE )
 442             lvCol.fmt = LVCFMT_CENTER;
 443     }
 444
 445     if ( item.m_mask & wxLIST_MASK_WIDTH )
 446     {
 447         lvCol.mask |= LVCF_WIDTH;
 448         lvCol.cx = item.m_width;
 449
 450         if ( lvCol.cx == wxLIST_AUTOSIZE)
 451             lvCol.cx = LVSCW_AUTOSIZE;
 452         else if ( lvCol.cx == wxLIST_AUTOSIZE_USEHEADER)
 453             lvCol.cx = LVSCW_AUTOSIZE_USEHEADER;
 454     }
 455     lvCol.mask |= LVCF_SUBITEM;
 456     lvCol.iSubItem = col;
 457     return (ListView_SetColumn(GetHwnd(), col, & lvCol) != 0);
 458 }
 459
 460 // Gets the column width
 461 int wxListCtrl::GetColumnWidth(int col) const
 462 {
 463     return ListView_GetColumnWidth(GetHwnd(), col);
 464 }
 465
 466 // Sets the column width
 467 bool wxListCtrl::SetColumnWidth(int col, int width)
 468 {
 469     int col2 = col;
 470     if ( m_windowStyle & wxLC_LIST )
 471         col2 = -1;
 472
 473     int width2 = width;
 474     if ( width2 == wxLIST_AUTOSIZE)
 475         width2 = LVSCW_AUTOSIZE;
 476     else if ( width2 == wxLIST_AUTOSIZE_USEHEADER)
 477         width2 = LVSCW_AUTOSIZE_USEHEADER;
 478
 479     return (ListView_SetColumnWidth(GetHwnd(), col2, width2) != 0);
 480 }
 481
 482 // Gets the number of items that can fit vertically in the
 483 // visible area of the list control (list or report view)
 484 // or the total number of items in the list control (icon
 485 // or small icon view)
 486 int wxListCtrl::GetCountPerPage(void) const
 487 {
 488     return ListView_GetCountPerPage(GetHwnd());
 489 }
 490
 491 // Gets the edit control for editing labels.
 492 wxTextCtrl* wxListCtrl::GetEditControl(void) const
 493 {
 494     return m_textCtrl;
 495 }
 496
 497 // Gets information about the item
 498 bool wxListCtrl::GetItem(wxListItem& info) const
 499 {
 500     LV_ITEM lvItem;
 501 #ifdef __GNUWIN32__
 502     memset(&lvItem, 0, sizeof(lvItem));
 503 #else
 504     ZeroMemory(&lvItem, sizeof(lvItem)); // must set all fields to 0
 505 #endif
 506
 507     lvItem.iItem = info.m_itemId;
 508     lvItem.iSubItem = info.m_col;
 509
 510     if ( info.m_mask & wxLIST_MASK_TEXT )
 511     {
 512         lvItem.mask |= LVIF_TEXT;
 513         lvItem.pszText = new wxChar[513];
 514         lvItem.cchTextMax = 512;
 515     }
 516     else
 517     {
 518         lvItem.pszText = NULL;
 519     }
 520
 521     if (info.m_mask & wxLIST_MASK_DATA)
 522         lvItem.mask |= LVIF_PARAM;
 523
 524     if ( info.m_mask & wxLIST_MASK_STATE )
 525     {
 526         lvItem.mask |= LVIF_STATE;
 527         // the other bits are hardly interesting anyhow
 528         lvItem.stateMask = LVIS_SELECTED | LVIS_FOCUSED;
 529     }
 530
 531     bool success = ListView_GetItem((HWND)GetHWND(), &lvItem) != 0;
 532     if ( !success )
 533     {
 534         wxLogError(_("Couldn't retrieve information about list control item %d."),
 535                 lvItem.iItem);
 536     }
 537     else
 538     {
 539         wxConvertFromMSWListItem(this, info, lvItem);
 540     }
 541
 542     if (lvItem.pszText)
 543         delete[] lvItem.pszText;
 544
 545     return success;
 546 }
 547
 548 // Sets information about the item
 549 bool wxListCtrl::SetItem(wxListItem& info)
 550 {
 551     LV_ITEM item;
 552     wxConvertToMSWListItem(this, info, item);
 553     item.cchTextMax = 0;
 554     return (ListView_SetItem(GetHwnd(), &item) != 0);
 555 }
 556
 557 long wxListCtrl::SetItem(long index, int col, const wxString& label, int imageId)
 558 {
 559     wxListItem info;
 560     info.m_text = label;
 561     info.m_mask = wxLIST_MASK_TEXT;
 562     info.m_itemId = index;
 563     info.m_col = col;
 564     if ( imageId > -1 )
 565     {
 566         info.m_image = imageId;
 567         info.m_mask |= wxLIST_MASK_IMAGE;
 568     }
 569     return SetItem(info);
 570 }
 571
 572
 573 // Gets the item state
 574 int wxListCtrl::GetItemState(long item, long stateMask) const
 575 {
 576     wxListItem info;
 577
 578     info.m_mask = wxLIST_MASK_STATE;
 579     info.m_stateMask = stateMask;
 580     info.m_itemId = item;
 581
 582     if (!GetItem(info))
 583         return 0;
 584
 585     return info.m_state;
 586 }
 587
 588 // Sets the item state
 589 bool wxListCtrl::SetItemState(long item, long state, long stateMask)
 590 {
 591     wxListItem info;
 592
 593     info.m_mask = wxLIST_MASK_STATE;
 594     info.m_state = state;
 595     info.m_stateMask = stateMask;
 596     info.m_itemId = item;
 597
 598     return SetItem(info);
 599 }
 600
 601 // Sets the item image
 602 bool wxListCtrl::SetItemImage(long item, int image, int selImage)
 603 {
 604     wxListItem info;
 605
 606     info.m_mask = wxLIST_MASK_IMAGE;
 607     info.m_image = image;
 608     info.m_itemId = item;
 609
 610     return SetItem(info);
 611 }
 612
 613 // Gets the item text
 614 wxString wxListCtrl::GetItemText(long item) const
 615 {
 616     wxListItem info;
 617
 618     info.m_mask = wxLIST_MASK_TEXT;
 619     info.m_itemId = item;
 620
 621     if (!GetItem(info))
 622         return wxString("");
 623     return info.m_text;
 624 }
 625
 626 // Sets the item text
 627 void wxListCtrl::SetItemText(long item, const wxString& str)
 628 {
 629     wxListItem info;
 630
 631     info.m_mask = wxLIST_MASK_TEXT;
 632     info.m_itemId = item;
 633     info.m_text = str;
 634
 635     SetItem(info);
 636 }
 637
 638 // Gets the item data
 639 long wxListCtrl::GetItemData(long item) const
 640 {
 641     wxListItem info;
 642
 643     info.m_mask = wxLIST_MASK_DATA;
 644     info.m_itemId = item;
 645
 646     if (!GetItem(info))
 647         return 0;
 648     return info.m_data;
 649 }
 650
 651 // Sets the item data
 652 bool wxListCtrl::SetItemData(long item, long data)
 653 {
 654     wxListItem info;
 655
 656     info.m_mask = wxLIST_MASK_DATA;
 657     info.m_itemId = item;
 658     info.m_data = data;
 659
 660     return SetItem(info);
 661 }
 662
 663 // Gets the item rectangle
 664 bool wxListCtrl::GetItemRect(long item, wxRect& rect, int code) const
 665 {
 666     RECT rect2;
 667
 668     int code2 = LVIR_BOUNDS;
 669     if ( code == wxLIST_RECT_BOUNDS )
 670         code2 = LVIR_BOUNDS;
 671     else if ( code == wxLIST_RECT_ICON )
 672         code2 = LVIR_ICON;
 673     else if ( code == wxLIST_RECT_LABEL )
 674         code2 = LVIR_LABEL;
 675
 676 #ifdef __WXWINE__
 677     bool success = (ListView_GetItemRect(GetHwnd(), (int) item, &rect2 ) != 0);
 678 #else
 679     bool success = (ListView_GetItemRect(GetHwnd(), (int) item, &rect2, code2) != 0);
 680 #endif
 681
 682     rect.x = rect2.left;
 683     rect.y = rect2.top;
 684     rect.width = rect2.right - rect2.left;
 685     rect.height = rect2.bottom - rect2.left;
 686     return success;
 687 }
 688
 689 // Gets the item position
 690 bool wxListCtrl::GetItemPosition(long item, wxPoint& pos) const
 691 {
 692     POINT pt;
 693
 694     bool success = (ListView_GetItemPosition(GetHwnd(), (int) item, &pt) != 0);
 695
 696     pos.x = pt.x; pos.y = pt.y;
 697     return success;
 698 }
 699
 700 // Sets the item position.
 701 bool wxListCtrl::SetItemPosition(long item, const wxPoint& pos)
 702 {
 703     return (ListView_SetItemPosition(GetHwnd(), (int) item, pos.x, pos.y) != 0);
 704 }
 705
 706 // Gets the number of items in the list control
 707 int wxListCtrl::GetItemCount(void) const
 708 {
 709     return ListView_GetItemCount(GetHwnd());
 710 }
 711
 712 // Retrieves the spacing between icons in pixels.
 713 // If small is TRUE, gets the spacing for the small icon
 714 // view, otherwise the large icon view.
 715 int wxListCtrl::GetItemSpacing(bool isSmall) const
 716 {
 717     return ListView_GetItemSpacing(GetHwnd(), (BOOL) isSmall);
 718 }
 719
 720 // Gets the number of selected items in the list control
 721 int wxListCtrl::GetSelectedItemCount(void) const
 722 {
 723     return ListView_GetSelectedCount(GetHwnd());
 724 }
 725
 726 // Gets the text colour of the listview
 727 wxColour wxListCtrl::GetTextColour(void) const
 728 {
 729     COLORREF ref = ListView_GetTextColor(GetHwnd());
 730     wxColour col(GetRValue(ref), GetGValue(ref), GetBValue(ref));
 731     return col;
 732 }
 733
 734 // Sets the text colour of the listview
 735 void wxListCtrl::SetTextColour(const wxColour& col)
 736 {
 737     ListView_SetTextColor(GetHwnd(), PALETTERGB(col.Red(), col.Blue(), col.Green()));
 738 }
 739
 740 // Gets the index of the topmost visible item when in
 741 // list or report view
 742 long wxListCtrl::GetTopItem(void) const
 743 {
 744     return (long) ListView_GetTopIndex(GetHwnd());
 745 }
 746
 747 // Searches for an item, starting from 'item'.
 748 // 'geometry' is one of
 749 // wxLIST_NEXT_ABOVE/ALL/BELOW/LEFT/RIGHT.
 750 // 'state' is a state bit flag, one or more of
 751 // wxLIST_STATE_DROPHILITED/FOCUSED/SELECTED/CUT.
 752 // item can be -1 to find the first item that matches the
 753 // specified flags.
 754 // Returns the item or -1 if unsuccessful.
 755 long wxListCtrl::GetNextItem(long item, int geom, int state) const
 756 {
 757     long flags = 0;
 758
 759     if ( geom == wxLIST_NEXT_ABOVE )
 760         flags |= LVNI_ABOVE;
 761     if ( geom == wxLIST_NEXT_ALL )
 762         flags |= LVNI_ALL;
 763     if ( geom == wxLIST_NEXT_BELOW )
 764         flags |= LVNI_BELOW;
 765     if ( geom == wxLIST_NEXT_LEFT )
 766         flags |= LVNI_TOLEFT;
 767     if ( geom == wxLIST_NEXT_RIGHT )
 768         flags |= LVNI_TORIGHT;
 769
 770     if ( state & wxLIST_STATE_CUT )
 771         flags |= LVNI_CUT;
 772     if ( state & wxLIST_STATE_DROPHILITED )
 773         flags |= LVNI_DROPHILITED;
 774     if ( state & wxLIST_STATE_FOCUSED )
 775         flags |= LVNI_FOCUSED;
 776     if ( state & wxLIST_STATE_SELECTED )
 777         flags |= LVNI_SELECTED;
 778
 779     return (long) ListView_GetNextItem(GetHwnd(), item, flags);
 780 }
 781
 782
 783 wxImageList *wxListCtrl::GetImageList(int which) const
 784 {
 785     if ( which == wxIMAGE_LIST_NORMAL )
 786     {
 787         return m_imageListNormal;
 788     }
 789     else if ( which == wxIMAGE_LIST_SMALL )
 790     {
 791         return m_imageListSmall;
 792     }
 793     else if ( which == wxIMAGE_LIST_STATE )
 794     {
 795         return m_imageListState;
 796     }
 797     return NULL;
 798 }
 799
 800 void wxListCtrl::SetImageList(wxImageList *imageList, int which)
 801 {
 802     int flags = 0;
 803     if ( which == wxIMAGE_LIST_NORMAL )
 804     {
 805         flags = LVSIL_NORMAL;
 806         m_imageListNormal = imageList;
 807     }
 808     else if ( which == wxIMAGE_LIST_SMALL )
 809     {
 810         flags = LVSIL_SMALL;
 811         m_imageListSmall = imageList;
 812     }
 813     else if ( which == wxIMAGE_LIST_STATE )
 814     {
 815         flags = LVSIL_STATE;
 816         m_imageListState = imageList;
 817     }
 818     ListView_SetImageList(GetHwnd(), (HIMAGELIST) imageList ? imageList->GetHIMAGELIST() : 0, flags);
 819 }
 820
 821 // ----------------------------------------------------------------------------
 822 // Operations
 823 // ----------------------------------------------------------------------------
 824
 825 // Arranges the items
 826 bool wxListCtrl::Arrange(int flag)
 827 {
 828     UINT code = 0;
 829     if ( flag == wxLIST_ALIGN_LEFT )
 830         code = LVA_ALIGNLEFT;
 831     else if ( flag == wxLIST_ALIGN_TOP )
 832         code = LVA_ALIGNTOP;
 833     else if ( flag == wxLIST_ALIGN_DEFAULT )
 834         code = LVA_DEFAULT;
 835     else if ( flag == wxLIST_ALIGN_SNAP_TO_GRID )
 836         code = LVA_SNAPTOGRID;
 837
 838     return (ListView_Arrange(GetHwnd(), code) != 0);
 839 }
 840
 841 // Deletes an item
 842 bool wxListCtrl::DeleteItem(long item)
 843 {
 844     return (ListView_DeleteItem(GetHwnd(), (int) item) != 0);
 845 }
 846
 847 // Deletes all items
 848 bool wxListCtrl::DeleteAllItems()
 849 {
 850     return (ListView_DeleteAllItems(GetHwnd()) != 0);
 851 }
 852
 853 // Deletes all items
 854 bool wxListCtrl::DeleteAllColumns()
 855 {
 856     while ( m_colCount > 0 )
 857     {
 858         if ( ListView_DeleteColumn(GetHwnd(), 0) == 0 )
 859         {
 860             wxLogLastError("ListView_DeleteColumn");
 861
 862             return FALSE;
 863         }
 864
 865         m_colCount--;
 866     }
 867
 868     wxASSERT_MSG( m_colCount == 0, _T("no columns should be left") );
 869
 870     return TRUE;
 871 }
 872
 873 // Deletes a column
 874 bool wxListCtrl::DeleteColumn(int col)
 875 {
 876     bool success = (ListView_DeleteColumn(GetHwnd(), col) != 0);
 877
 878     if ( success && (m_colCount > 0) )
 879         m_colCount --;
 880     return success;
 881 }
 882
 883 // Clears items, and columns if there are any.
 884 void wxListCtrl::ClearAll()
 885 {
 886     DeleteAllItems();
 887     if ( m_colCount > 0 )
 888         DeleteAllColumns();
 889 }
 890
 891 wxTextCtrl* wxListCtrl::EditLabel(long item, wxClassInfo* textControlClass)
 892 {
 893     wxASSERT( (textControlClass->IsKindOf(CLASSINFO(wxTextCtrl))) );
 894
 895     HWND hWnd = (HWND) ListView_EditLabel(GetHwnd(), item);
 896
 897     if (m_textCtrl)
 898     {
 899         m_textCtrl->UnsubclassWin();
 900         m_textCtrl->SetHWND(0);
 901         delete m_textCtrl;
 902         m_textCtrl = NULL;
 903     }
 904
 905     m_textCtrl = (wxTextCtrl*) textControlClass->CreateObject();
 906     m_textCtrl->SetHWND((WXHWND) hWnd);
 907     m_textCtrl->SubclassWin((WXHWND) hWnd);
 908
 909     return m_textCtrl;
 910 }
 911
 912 // End label editing, optionally cancelling the edit
 913 bool wxListCtrl::EndEditLabel(bool cancel)
 914 {
 915     wxFAIL;
 916
 917     /* I don't know how to implement this: there's no such macro as ListView_EndEditLabelNow.
 918      * ???
 919      bool success = (ListView_EndEditLabelNow(GetHwnd(), cancel) != 0);
 920
 921      if (m_textCtrl)
 922      {
 923      m_textCtrl->UnsubclassWin();
 924      m_textCtrl->SetHWND(0);
 925      delete m_textCtrl;
 926      m_textCtrl = NULL;
 927      }
 928      return success;
 929      */
 930     return FALSE;
 931 }
 932
 933
 934 // Ensures this item is visible
 935 bool wxListCtrl::EnsureVisible(long item)
 936 {
 937     return (ListView_EnsureVisible(GetHwnd(), (int) item, FALSE) != 0);
 938 }
 939
 940 // Find an item whose label matches this string, starting from the item after 'start'
 941 // or the beginning if 'start' is -1.
 942 long wxListCtrl::FindItem(long start, const wxString& str, bool partial)
 943 {
 944     LV_FINDINFO findInfo;
 945
 946     findInfo.flags = LVFI_STRING;
 947     if ( partial )
 948         findInfo.flags |= LVFI_STRING;
 949     findInfo.psz = WXSTRINGCAST str;
 950
 951     return ListView_FindItem(GetHwnd(), (int) start, & findInfo);
 952 }
 953
 954 // Find an item whose data matches this data, starting from the item after 'start'
 955 // or the beginning if 'start' is -1.
 956 long wxListCtrl::FindItem(long start, long data)
 957 {
 958     LV_FINDINFO findInfo;
 959
 960     findInfo.flags = LVFI_PARAM;
 961     findInfo.lParam = data;
 962
 963     return ListView_FindItem(GetHwnd(), (int) start, & findInfo);
 964 }
 965
 966 // Find an item nearest this position in the specified direction, starting from
 967 // the item after 'start' or the beginning if 'start' is -1.
 968 long wxListCtrl::FindItem(long start, const wxPoint& pt, int direction)
 969 {
 970     LV_FINDINFO findInfo;
 971
 972     findInfo.flags = LVFI_NEARESTXY;
 973     findInfo.pt.x = pt.x;
 974     findInfo.pt.y = pt.y;
 975     findInfo.vkDirection = VK_RIGHT;
 976
 977     if ( direction == wxLIST_FIND_UP )
 978         findInfo.vkDirection = VK_UP;
 979     else if ( direction == wxLIST_FIND_DOWN )
 980         findInfo.vkDirection = VK_DOWN;
 981     else if ( direction == wxLIST_FIND_LEFT )
 982         findInfo.vkDirection = VK_LEFT;
 983     else if ( direction == wxLIST_FIND_RIGHT )
 984         findInfo.vkDirection = VK_RIGHT;
 985
 986     return ListView_FindItem(GetHwnd(), (int) start, & findInfo);
 987 }
 988
 989 // Determines which item (if any) is at the specified point,
 990 // giving details in 'flags' (see wxLIST_HITTEST_... flags above)
 991 long wxListCtrl::HitTest(const wxPoint& point, int& flags)
 992 {
 993     LV_HITTESTINFO hitTestInfo;
 994     hitTestInfo.pt.x = (int) point.x;
 995     hitTestInfo.pt.y = (int) point.y;
 996
 997     ListView_HitTest(GetHwnd(), & hitTestInfo);
 998
 999     flags = 0;
1000     if ( hitTestInfo.flags & LVHT_ABOVE )
1001         flags |= wxLIST_HITTEST_ABOVE;
1002     if ( hitTestInfo.flags & LVHT_BELOW )
1003         flags |= wxLIST_HITTEST_BELOW;
1004     if ( hitTestInfo.flags & LVHT_NOWHERE )
1005         flags |= wxLIST_HITTEST_NOWHERE;
1006     if ( hitTestInfo.flags & LVHT_ONITEMICON )
1007         flags |= wxLIST_HITTEST_ONITEMICON;
1008     if ( hitTestInfo.flags & LVHT_ONITEMLABEL )
1009         flags |= wxLIST_HITTEST_ONITEMLABEL;
1010     if ( hitTestInfo.flags & LVHT_ONITEMSTATEICON )
1011         flags |= wxLIST_HITTEST_ONITEMSTATEICON;
1012     if ( hitTestInfo.flags & LVHT_TOLEFT )
1013         flags |= wxLIST_HITTEST_TOLEFT;
1014     if ( hitTestInfo.flags & LVHT_TORIGHT )
1015         flags |= wxLIST_HITTEST_TORIGHT;
1016
1017     return (long) hitTestInfo.iItem;
1018 }
1019
1020 // Inserts an item, returning the index of the new item if successful,
1021 // -1 otherwise.
1022 long wxListCtrl::InsertItem(wxListItem& info)
1023 {
1024     LV_ITEM item;
1025     wxConvertToMSWListItem(this, info, item);
1026
1027     return (long) ListView_InsertItem(GetHwnd(), & item);
1028 }
1029
1030 long wxListCtrl::InsertItem(long index, const wxString& label)
1031 {
1032     wxListItem info;
1033     info.m_text = label;
1034     info.m_mask = wxLIST_MASK_TEXT;
1035     info.m_itemId = index;
1036     return InsertItem(info);
1037 }
1038
1039 // Inserts an image item
1040 long wxListCtrl::InsertItem(long index, int imageIndex)
1041 {
1042     wxListItem info;
1043     info.m_image = imageIndex;
1044     info.m_mask = wxLIST_MASK_IMAGE;
1045     info.m_itemId = index;
1046     return InsertItem(info);
1047 }
1048
1049 // Inserts an image/string item
1050 long wxListCtrl::InsertItem(long index, const wxString& label, int imageIndex)
1051 {
1052     wxListItem info;
1053     info.m_image = imageIndex;
1054     info.m_text = label;
1055     info.m_mask = wxLIST_MASK_IMAGE | wxLIST_MASK_TEXT;
1056     info.m_itemId = index;
1057     return InsertItem(info);
1058 }
1059
1060 // For list view mode (only), inserts a column.
1061 long wxListCtrl::InsertColumn(long col, wxListItem& item)
1062 {
1063     LV_COLUMN lvCol;
1064     lvCol.mask = 0;
1065     lvCol.fmt = 0;
1066     lvCol.pszText = NULL;
1067
1068     if ( item.m_mask & wxLIST_MASK_TEXT )
1069     {
1070         lvCol.mask |= LVCF_TEXT;
1071         lvCol.pszText = WXSTRINGCAST item.m_text;
1072         lvCol.cchTextMax = 0; // Ignored
1073     }
1074     if ( item.m_mask & wxLIST_MASK_FORMAT )
1075     {
1076         lvCol.mask |= LVCF_FMT;
1077
1078         if ( item.m_format == wxLIST_FORMAT_LEFT )
1079             lvCol.fmt = LVCFMT_LEFT;
1080         if ( item.m_format == wxLIST_FORMAT_RIGHT )
1081             lvCol.fmt = LVCFMT_RIGHT;
1082         if ( item.m_format == wxLIST_FORMAT_CENTRE )
1083             lvCol.fmt = LVCFMT_CENTER;
1084     }
1085
1086     lvCol.mask |= LVCF_WIDTH;
1087     if ( item.m_mask & wxLIST_MASK_WIDTH )
1088     {
1089         if ( item.m_width == wxLIST_AUTOSIZE)
1090             lvCol.cx = LVSCW_AUTOSIZE;
1091         else if ( item.m_width == wxLIST_AUTOSIZE_USEHEADER)
1092             lvCol.cx = LVSCW_AUTOSIZE_USEHEADER;
1093         else
1094             lvCol.cx = item.m_width;
1095     }
1096     else
1097     {
1098         // always give some width to the new column: this one is compatible
1099         // with wxGTK
1100         lvCol.cx = 80;
1101     }
1102
1103     lvCol.mask |= LVCF_SUBITEM;
1104     lvCol.iSubItem = col;
1105
1106     bool success = ListView_InsertColumn(GetHwnd(), col, & lvCol) != -1;
1107     if ( success )
1108     {
1109         m_colCount++;
1110     }
1111     else
1112     {
1113         wxLogDebug(_T("Failed to insert the column '%s' into listview!"),
1114                    lvCol.pszText);
1115     }
1116
1117     return success;
1118 }
1119
1120 long wxListCtrl::InsertColumn(long col, const wxString& heading, int format,
1121         int width)
1122 {
1123     wxListItem item;
1124     item.m_mask = wxLIST_MASK_TEXT | wxLIST_MASK_FORMAT;
1125     item.m_text = heading;
1126     if ( width > -1 )
1127     {
1128         item.m_mask |= wxLIST_MASK_WIDTH;
1129         item.m_width = width;
1130     }
1131     item.m_format = format;
1132
1133     return InsertColumn(col, item);
1134 }
1135
1136 // Scrolls the list control. If in icon, small icon or report view mode,
1137 // x specifies the number of pixels to scroll. If in list view mode, x
1138 // specifies the number of columns to scroll.
1139 // If in icon, small icon or list view mode, y specifies the number of pixels
1140 // to scroll. If in report view mode, y specifies the number of lines to scroll.
1141 bool wxListCtrl::ScrollList(int dx, int dy)
1142 {
1143     return (ListView_Scroll(GetHwnd(), dx, dy) != 0);
1144 }
1145
1146 // Sort items.
1147
1148 // fn is a function which takes 3 long arguments: item1, item2, data.
1149 // item1 is the long data associated with a first item (NOT the index).
1150 // item2 is the long data associated with a second item (NOT the index).
1151 // data is the same value as passed to SortItems.
1152 // The return value is a negative number if the first item should precede the second
1153 // item, a positive number of the second item should precede the first,
1154 // or zero if the two items are equivalent.
1155
1156 // data is arbitrary data to be passed to the sort function.
1157 bool wxListCtrl::SortItems(wxListCtrlCompare fn, long data)
1158 {
1159     return (ListView_SortItems(GetHwnd(), (PFNLVCOMPARE) fn, data) != 0);
1160 }
1161
1162 // ----------------------------------------------------------------------------
1163 // message processing
1164 // ----------------------------------------------------------------------------
1165
1166 bool wxListCtrl::MSWCommand(WXUINT cmd, WXWORD id)
1167 {
1168     if (cmd == EN_UPDATE)
1169     {
1170         wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, id);
1171         event.SetEventObject( this );
1172         ProcessCommand(event);
1173         return TRUE;
1174     }
1175     else if (cmd == EN_KILLFOCUS)
1176     {
1177         wxCommandEvent event(wxEVT_KILL_FOCUS, id);
1178         event.SetEventObject( this );
1179         ProcessCommand(event);
1180         return TRUE;
1181     }
1182     else
1183         return FALSE;
1184 }
1185
1186 bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
1187 {
1188     wxListEvent event(wxEVT_NULL, m_windowId);
1189     wxEventType eventType = wxEVT_NULL;
1190     NMHDR *hdr1 = (NMHDR *) lParam;
1191     switch ( hdr1->code )
1192     {
1193         case LVN_BEGINRDRAG:
1194             eventType = wxEVT_COMMAND_LIST_BEGIN_RDRAG;
1195             // fall through
1196
1197         case LVN_BEGINDRAG:
1198             if ( eventType == wxEVT_NULL )
1199             {
1200                 eventType = wxEVT_COMMAND_LIST_BEGIN_DRAG;
1201             }
1202
1203             {
1204                 NM_LISTVIEW *hdr = (NM_LISTVIEW *)lParam;
1205                 event.m_itemIndex = hdr->iItem;
1206                 event.m_pointDrag.x = hdr->ptAction.x;
1207                 event.m_pointDrag.y = hdr->ptAction.y;
1208             }
1209             break;
1210
1211         case LVN_BEGINLABELEDIT:
1212             {
1213                 eventType = wxEVT_COMMAND_LIST_BEGIN_LABEL_EDIT;
1214                 LV_DISPINFO *info = (LV_DISPINFO *)lParam;
1215                 wxConvertFromMSWListItem(this, event.m_item, info->item, GetHwnd());
1216                 break;
1217             }
1218
1219         case LVN_COLUMNCLICK:
1220             {
1221                 eventType = wxEVT_COMMAND_LIST_COL_CLICK;
1222                 NM_LISTVIEW* hdr = (NM_LISTVIEW*)lParam;
1223                 event.m_itemIndex = -1;
1224                 event.m_col = hdr->iSubItem;
1225                 break;
1226             }
1227         case LVN_DELETEALLITEMS:
1228             {
1229                 eventType = wxEVT_COMMAND_LIST_DELETE_ALL_ITEMS;
1230                 //      NM_LISTVIEW* hdr = (NM_LISTVIEW*)lParam;
1231                 event.m_itemIndex = -1;
1232                 break;
1233             }
1234         case LVN_DELETEITEM:
1235             {
1236                 eventType = wxEVT_COMMAND_LIST_DELETE_ITEM;
1237                 NM_LISTVIEW* hdr = (NM_LISTVIEW*)lParam;
1238                 event.m_itemIndex = hdr->iItem;
1239                 break;
1240             }
1241         case LVN_ENDLABELEDIT:
1242             {
1243                 eventType = wxEVT_COMMAND_LIST_END_LABEL_EDIT;
1244                 LV_DISPINFO *info = (LV_DISPINFO *)lParam;
1245                 wxConvertFromMSWListItem(this, event.m_item, info->item, GetHwnd());
1246                 if ( info->item.pszText == NULL || info->item.iItem == -1 )
1247                     event.m_cancelled = TRUE;
1248                 break;
1249             }
1250         case LVN_GETDISPINFO:
1251                 return FALSE;
1252
1253                 // this provokes stack overflow: indeed, wxConvertFromMSWListItem()
1254                 // sends us WM_NOTIFY! As it doesn't do anything for now, just leave
1255                 // it out.
1256 #if 0
1257             {
1258                 // TODO: some text buffering here, I think
1259                 // TODO: API for getting Windows to retrieve values
1260                 // on demand.
1261                 eventType = wxEVT_COMMAND_LIST_GET_INFO;
1262                 LV_DISPINFO *info = (LV_DISPINFO *)lParam;
1263                 wxConvertFromMSWListItem(this, event.m_item, info->item, GetHwnd());
1264                 break;
1265             }
1266 #endif // 0
1267
1268         case LVN_INSERTITEM:
1269             {
1270                 eventType = wxEVT_COMMAND_LIST_INSERT_ITEM;
1271                 NM_LISTVIEW* hdr = (NM_LISTVIEW*)lParam;
1272                 event.m_itemIndex = hdr->iItem;
1273                 break;
1274             }
1275         case LVN_ITEMCHANGED:
1276             {
1277                 // This needs to be sent to wxListCtrl as a rather more
1278                 // concrete event. For now, just detect a selection
1279                 // or deselection.
1280                 NM_LISTVIEW* hdr = (NM_LISTVIEW*)lParam;
1281                 if ( (hdr->uNewState & LVIS_SELECTED) && !(hdr->uOldState & LVIS_SELECTED) )
1282                 {
1283                     eventType = wxEVT_COMMAND_LIST_ITEM_SELECTED;
1284                     event.m_itemIndex = hdr->iItem;
1285                 }
1286                 else if ( !(hdr->uNewState & LVIS_SELECTED) && (hdr->uOldState & LVIS_SELECTED) )
1287                 {
1288                     eventType = wxEVT_COMMAND_LIST_ITEM_DESELECTED;
1289                     event.m_itemIndex = hdr->iItem;
1290                 }
1291                 else
1292                     return FALSE;
1293                 break;
1294             }
1295
1296         case LVN_KEYDOWN:
1297             {
1298                 LV_KEYDOWN *info = (LV_KEYDOWN *)lParam;
1299                 WORD wVKey = info->wVKey;
1300
1301                 // get the current selection
1302                 long lItem = GetNextItem(-1,
1303                                          wxLIST_NEXT_ALL,
1304                                          wxLIST_STATE_SELECTED);
1305
1306                 // <Enter> or <Space> activate the selected item if any
1307                 if ( lItem != -1 && (wVKey == VK_RETURN || wVKey == VK_SPACE) )
1308                 {
1309                     // TODO this behaviour probably should be optional
1310                     eventType = wxEVT_COMMAND_LIST_ITEM_ACTIVATED;
1311                     event.m_itemIndex = lItem;
1312                 }
1313                 else
1314                 {
1315                     eventType = wxEVT_COMMAND_LIST_KEY_DOWN;
1316                     event.m_code = wxCharCodeMSWToWX(wVKey);
1317                 }
1318                 break;
1319             }
1320
1321         case NM_DBLCLK:
1322             // if the user processes it in wxEVT_COMMAND_LEFT_CLICK(), don't do
1323             // anything else
1324             if ( wxControl::MSWOnNotify(idCtrl, lParam, result) )
1325             {
1326                 return TRUE;
1327             }
1328
1329             // else translate it into wxEVT_COMMAND_LIST_ITEM_ACTIVATED event
1330             eventType = wxEVT_COMMAND_LIST_ITEM_ACTIVATED;
1331             break;
1332
1333         case LVN_SETDISPINFO:
1334             {
1335                 eventType = wxEVT_COMMAND_LIST_SET_INFO;
1336                 LV_DISPINFO *info = (LV_DISPINFO *)lParam;
1337                 wxConvertFromMSWListItem(this, event.m_item, info->item, GetHwnd());
1338                 break;
1339             }
1340
1341         default:
1342             return wxControl::MSWOnNotify(idCtrl, lParam, result);
1343     }
1344
1345     event.SetEventObject( this );
1346     event.SetEventType(eventType);
1347
1348     if ( !GetEventHandler()->ProcessEvent(event) )
1349         return FALSE;
1350
1351     if (hdr1->code == LVN_GETDISPINFO)
1352     {
1353         LV_DISPINFO *info = (LV_DISPINFO *)lParam;
1354         if ( info->item.mask & LVIF_TEXT )
1355         {
1356             if ( !event.m_item.m_text.IsNull() )
1357             {
1358                 info->item.pszText = AddPool(event.m_item.m_text);
1359                 info->item.cchTextMax = wxStrlen(info->item.pszText) + 1;
1360             }
1361         }
1362         //    wxConvertToMSWListItem(this, event.m_item, info->item);
1363     }
1364
1365     *result = !event.IsAllowed();
1366
1367     return TRUE;
1368 }
1369
1370 wxChar *wxListCtrl::AddPool(const wxString& str)
1371 {
1372     // Remove the first element if 3 strings exist
1373     if ( m_stringPool.Number() == 3 )
1374     {
1375         wxNode *node = m_stringPool.First();
1376         delete[] (char *)node->Data();
1377         delete node;
1378     }
1379     wxNode *node = m_stringPool.Add(WXSTRINGCAST str);
1380     return (wxChar *)node->Data();
1381 }
1382
1383 // ----------------------------------------------------------------------------
1384 // wxListItem
1385 // ----------------------------------------------------------------------------
1386
1387 // List item structure
1388 wxListItem::wxListItem()
1389 {
1390     m_mask = 0;
1391     m_itemId = 0;
1392     m_col = 0;
1393     m_state = 0;
1394     m_stateMask = 0;
1395     m_image = 0;
1396     m_data = 0;
1397
1398     m_format = wxLIST_FORMAT_CENTRE;
1399     m_width = 0;
1400 }
1401
1402 static void wxConvertFromMSWListItem(const wxListCtrl *ctrl, wxListItem& info, LV_ITEM& lvItem, HWND getFullInfo)
1403 {
1404     info.m_data = lvItem.lParam;
1405     info.m_mask = 0;
1406     info.m_state = 0;
1407     info.m_stateMask = 0;
1408     info.m_itemId = lvItem.iItem;
1409
1410     long oldMask = lvItem.mask;
1411
1412     bool needText = FALSE;
1413     if (getFullInfo != 0)
1414     {
1415         if ( lvItem.mask & LVIF_TEXT )
1416             needText = FALSE;
1417         else
1418             needText = TRUE;
1419
1420         if ( needText )
1421         {
1422             lvItem.pszText = new wxChar[513];
1423             lvItem.cchTextMax = 512;
1424         }
1425         //    lvItem.mask |= TVIF_HANDLE | TVIF_STATE | TVIF_TEXT | TVIF_IMAGE | TVIF_SELECTEDIMAGE | TVIF_CHILDREN | TVIF_PARAM;
1426         lvItem.mask |= LVIF_TEXT | LVIF_IMAGE | LVIF_PARAM;
1427         ::SendMessage(getFullInfo, LVM_GETITEM, 0, (LPARAM)& lvItem);
1428     }
1429
1430     if ( lvItem.mask & LVIF_STATE )
1431     {
1432         info.m_mask |= wxLIST_MASK_STATE;
1433
1434         if ( lvItem.stateMask & LVIS_CUT)
1435         {
1436             info.m_stateMask |= wxLIST_STATE_CUT;
1437             if ( lvItem.state & LVIS_CUT )
1438                 info.m_state |= wxLIST_STATE_CUT;
1439         }
1440         if ( lvItem.stateMask & LVIS_DROPHILITED)
1441         {
1442             info.m_stateMask |= wxLIST_STATE_DROPHILITED;
1443             if ( lvItem.state & LVIS_DROPHILITED )
1444                 info.m_state |= wxLIST_STATE_DROPHILITED;
1445         }
1446         if ( lvItem.stateMask & LVIS_FOCUSED)
1447         {
1448             info.m_stateMask |= wxLIST_STATE_FOCUSED;
1449             if ( lvItem.state & LVIS_FOCUSED )
1450                 info.m_state |= wxLIST_STATE_FOCUSED;
1451         }
1452         if ( lvItem.stateMask & LVIS_SELECTED)
1453         {
1454             info.m_stateMask |= wxLIST_STATE_SELECTED;
1455             if ( lvItem.state & LVIS_SELECTED )
1456                 info.m_state |= wxLIST_STATE_SELECTED;
1457         }
1458     }
1459
1460     if ( lvItem.mask & LVIF_TEXT )
1461     {
1462         info.m_mask |= wxLIST_MASK_TEXT;
1463         info.m_text = lvItem.pszText;
1464     }
1465     if ( lvItem.mask & LVIF_IMAGE )
1466     {
1467         info.m_mask |= wxLIST_MASK_IMAGE;
1468         info.m_image = lvItem.iImage;
1469     }
1470     if ( lvItem.mask & LVIF_PARAM )
1471         info.m_mask |= wxLIST_MASK_DATA;
1472     if ( lvItem.mask & LVIF_DI_SETITEM )
1473         info.m_mask |= wxLIST_SET_ITEM;
1474     info.m_col = lvItem.iSubItem;
1475
1476     if (needText)
1477     {
1478         if (lvItem.pszText)
1479             delete[] lvItem.pszText;
1480     }
1481     lvItem.mask = oldMask;
1482 }
1483
1484 static void wxConvertToMSWListItem(const wxListCtrl *ctrl, wxListItem& info, LV_ITEM& lvItem)
1485 {
1486     lvItem.iItem = (int) info.m_itemId;
1487
1488     lvItem.iImage = info.m_image;
1489     lvItem.lParam = info.m_data;
1490     lvItem.stateMask = 0;
1491     lvItem.state = 0;
1492     lvItem.mask = 0;
1493     lvItem.iSubItem = info.m_col;
1494
1495     if (info.m_mask & wxLIST_MASK_STATE)
1496     {
1497         lvItem.mask |= LVIF_STATE;
1498         if (info.m_stateMask & wxLIST_STATE_CUT)
1499         {
1500             lvItem.stateMask |= LVIS_CUT;
1501             if (info.m_state & wxLIST_STATE_CUT)
1502                 lvItem.state |= LVIS_CUT;
1503         }
1504         if (info.m_stateMask & wxLIST_STATE_DROPHILITED)
1505         {
1506             lvItem.stateMask |= LVIS_DROPHILITED;
1507             if (info.m_state & wxLIST_STATE_DROPHILITED)
1508                 lvItem.state |= LVIS_DROPHILITED;
1509         }
1510         if (info.m_stateMask & wxLIST_STATE_FOCUSED)
1511         {
1512             lvItem.stateMask |= LVIS_FOCUSED;
1513             if (info.m_state & wxLIST_STATE_FOCUSED)
1514                 lvItem.state |= LVIS_FOCUSED;
1515         }
1516         if (info.m_stateMask & wxLIST_STATE_SELECTED)
1517         {
1518             lvItem.stateMask |= LVIS_SELECTED;
1519             if (info.m_state & wxLIST_STATE_SELECTED)
1520                 lvItem.state |= LVIS_SELECTED;
1521         }
1522     }
1523
1524     if (info.m_mask & wxLIST_MASK_TEXT)
1525     {
1526         lvItem.mask |= LVIF_TEXT;
1527         if ( ctrl->GetWindowStyleFlag() & wxLC_USER_TEXT )
1528         {
1529             lvItem.pszText = LPSTR_TEXTCALLBACK;
1530         }
1531         else
1532         {
1533             lvItem.pszText = WXSTRINGCAST info.m_text;
1534             if ( lvItem.pszText )
1535                 lvItem.cchTextMax = info.m_text.Length();
1536             else
1537                 lvItem.cchTextMax = 0;
1538         }
1539     }
1540     if (info.m_mask & wxLIST_MASK_IMAGE)
1541         lvItem.mask |= LVIF_IMAGE;
1542     if (info.m_mask & wxLIST_MASK_DATA)
1543         lvItem.mask |= LVIF_PARAM;
1544 }
1545
1546 // ----------------------------------------------------------------------------
1547 // List event
1548 // ----------------------------------------------------------------------------
1549
1550 IMPLEMENT_DYNAMIC_CLASS(wxListEvent, wxNotifyEvent)
1551
1552 wxListEvent::wxListEvent(wxEventType commandType, int id)
1553            : wxNotifyEvent(commandType, id)
1554 {
1555     m_code = 0;
1556     m_itemIndex = 0;
1557     m_col = 0;
1558     m_cancelled = FALSE;
1559 }
1560
1561 #endif // __WIN95__
1562