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     #pragma implementation "listctrlbase.h"
  23 #endif
  24
  25 // For compilers that support precompilation, includes "wx.h".
  26 #include "wx/wxprec.h"
  27
  28 #ifdef __BORLANDC__
  29     #pragma hdrstop
  30 #endif
  31
  32 #if wxUSE_LISTCTRL && defined(__WIN95__)
  33
  34 #ifndef WX_PRECOMP
  35     #include "wx/app.h"
  36     #include "wx/intl.h"
  37     #include "wx/log.h"
  38     #include "wx/settings.h"
  39 #endif
  40
  41 #include "wx/textctrl.h"
  42 #include "wx/imaglist.h"
  43 #include "wx/listctrl.h"
  44 #include "wx/dcclient.h"
  45
  46 #include "wx/msw/private.h"
  47
  48 #if ((defined(__GNUWIN32_OLD__) || defined(__TWIN32__)) && !defined(__CYGWIN10__))
  49     #include "wx/msw/gnuwin32/extra.h"
  50 #else
  51     #include <commctrl.h>
  52 #endif
  53
  54 #ifndef LVHT_ONITEM
  55     #define LVHT_ONITEM \
  56                 (LVHT_ONITEMICON | LVHT_ONITEMLABEL | LVHT_ONITEMSTATEICON)
  57 #endif
  58
  59 #ifndef LVM_SETEXTENDEDLISTVIEWSTYLE
  60     #define LVM_SETEXTENDEDLISTVIEWSTYLE (0x1000 + 54)
  61 #endif
  62
  63 #ifndef LVS_EX_FULLROWSELECT
  64     #define LVS_EX_FULLROWSELECT 0x00000020
  65 #endif
  66
  67 #ifndef LVS_OWNERDATA
  68     #define LVS_OWNERDATA 0x1000
  69 #endif
  70
  71 // mingw32/cygwin don't have declarations for comctl32.dll 4.70+ stuff
  72 #ifndef NM_CACHEHINT
  73     typedef struct tagNMLVCACHEHINT
  74     {
  75         NMHDR   hdr;
  76         int     iFrom;
  77         int     iTo;
  78     } NMLVCACHEHINT;
  79
  80     #define NM_CACHEHINT NMLVCACHEHINT
  81 #endif
  82
  83 #ifndef LVN_ODCACHEHINT
  84     #define LVN_ODCACHEHINT (-113)
  85 #endif
  86
  87 // ----------------------------------------------------------------------------
  88 // private functions
  89 // ----------------------------------------------------------------------------
  90
  91 // convert our state and mask flags to LV_ITEM constants
  92 static void wxConvertToMSWFlags(long state, long mask, LV_ITEM& lvItem);
  93
  94 // convert wxListItem to LV_ITEM
  95 static void wxConvertToMSWListItem(const wxListCtrl *ctrl,
  96                                    const wxListItem& info, LV_ITEM& lvItem);
  97
  98 // convert LV_ITEM to wxListItem
  99 static void wxConvertFromMSWListItem(HWND hwndListCtrl,
 100                                      wxListItem& info,
 101                                      /* const */ LV_ITEM& lvItem);
 102
 103 // ----------------------------------------------------------------------------
 104 // events
 105 // ----------------------------------------------------------------------------
 106
 107 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_BEGIN_DRAG)
 108 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_BEGIN_RDRAG)
 109 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_BEGIN_LABEL_EDIT)
 110 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_END_LABEL_EDIT)
 111 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_DELETE_ITEM)
 112 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_DELETE_ALL_ITEMS)
 113 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_GET_INFO)
 114 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_SET_INFO)
 115 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_SELECTED)
 116 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_DESELECTED)
 117 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_KEY_DOWN)
 118 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_INSERT_ITEM)
 119 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_CLICK)
 120 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_RIGHT_CLICK)
 121 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_MIDDLE_CLICK)
 122 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_ACTIVATED)
 123 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_CACHE_HINT)
 124
 125 IMPLEMENT_DYNAMIC_CLASS(wxListCtrl, wxControl)
 126 IMPLEMENT_DYNAMIC_CLASS(wxListItem, wxObject)
 127
 128 BEGIN_EVENT_TABLE(wxListCtrl, wxControl)
 129     EVT_PAINT(wxListCtrl::OnPaint)
 130 END_EVENT_TABLE()
 131
 132 // ============================================================================
 133 // implementation
 134 // ============================================================================
 135
 136 // ----------------------------------------------------------------------------
 137 // wxListEvent
 138 // ----------------------------------------------------------------------------
 139
 140 void wxListEvent::CopyObject(wxObject& object_dest) const
 141 {
 142     wxListEvent *obj = (wxListEvent *)&object_dest;
 143
 144     wxNotifyEvent::CopyObject(object_dest);
 145
 146     obj->m_code = m_code;
 147     obj->m_itemIndex = m_itemIndex;
 148     obj->m_oldItemIndex = m_oldItemIndex;
 149     obj->m_col = m_col;
 150     obj->m_cancelled = m_cancelled;
 151     obj->m_pointDrag = m_pointDrag;
 152     obj->m_item.m_mask = m_item.m_mask;
 153     obj->m_item.m_itemId = m_item.m_itemId;
 154     obj->m_item.m_col = m_item.m_col;
 155     obj->m_item.m_state = m_item.m_state;
 156     obj->m_item.m_stateMask = m_item.m_stateMask;
 157     obj->m_item.m_text = m_item.m_text;
 158     obj->m_item.m_image = m_item.m_image;
 159     obj->m_item.m_data = m_item.m_data;
 160     obj->m_item.m_format = m_item.m_format;
 161     obj->m_item.m_width = m_item.m_width;
 162
 163     if ( m_item.HasAttributes() )
 164     {
 165         obj->m_item.SetTextColour(m_item.GetTextColour());
 166         obj->m_item.SetBackgroundColour(m_item.GetBackgroundColour());
 167         obj->m_item.SetFont(m_item.GetFont());
 168     }
 169 }
 170
 171 // ----------------------------------------------------------------------------
 172 // wxListCtrl construction
 173 // ----------------------------------------------------------------------------
 174
 175 void wxListCtrl::Init()
 176 {
 177     m_imageListNormal = NULL;
 178     m_imageListSmall = NULL;
 179     m_imageListState = NULL;
 180     m_ownsImageListNormal = m_ownsImageListSmall = m_ownsImageListState = FALSE;
 181     m_baseStyle = 0;
 182     m_colCount = 0;
 183     m_textCtrl = NULL;
 184     m_hasAnyAttr = FALSE;
 185 }
 186
 187 bool wxListCtrl::Create(wxWindow *parent,
 188                         wxWindowID id,
 189                         const wxPoint& pos,
 190                         const wxSize& size,
 191                         long style,
 192                         const wxValidator& validator,
 193                         const wxString& name)
 194 {
 195 #if wxUSE_VALIDATORS
 196     SetValidator(validator);
 197 #endif // wxUSE_VALIDATORS
 198
 199     SetName(name);
 200
 201     int x = pos.x;
 202     int y = pos.y;
 203     int width = size.x;
 204     int height = size.y;
 205
 206     m_windowStyle = style;
 207
 208     SetParent(parent);
 209
 210     if (width <= 0)
 211         width = 100;
 212     if (height <= 0)
 213         height = 30;
 214     if (x < 0)
 215         x = 0;
 216     if (y < 0)
 217         y = 0;
 218
 219     m_windowId = (id == -1) ? NewControlId() : id;
 220
 221     DWORD wstyle = WS_VISIBLE | WS_CHILD | WS_TABSTOP |
 222                    LVS_SHAREIMAGELISTS | LVS_SHOWSELALWAYS;
 223
 224     if ( m_windowStyle & wxCLIP_SIBLINGS )
 225         wstyle |= WS_CLIPSIBLINGS;
 226
 227     if ( wxStyleHasBorder(m_windowStyle) )
 228         wstyle |= WS_BORDER;
 229     m_baseStyle = wstyle;
 230
 231     if ( !DoCreateControl(x, y, width, height) )
 232         return FALSE;
 233
 234     if (parent)
 235         parent->AddChild(this);
 236
 237     return TRUE;
 238 }
 239
 240 bool wxListCtrl::DoCreateControl(int x, int y, int w, int h)
 241 {
 242     DWORD wstyle = m_baseStyle;
 243
 244     bool want3D;
 245     WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D);
 246
 247     // Even with extended styles, need to combine with WS_BORDER
 248     // for them to look right.
 249     if ( want3D )
 250         wstyle |= WS_BORDER;
 251
 252     long oldStyle = 0; // Dummy
 253     wstyle |= ConvertToMSWStyle(oldStyle, m_windowStyle);
 254
 255     // Create the ListView control.
 256     m_hWnd = (WXHWND)CreateWindowEx(exStyle,
 257                                     WC_LISTVIEW,
 258                                     wxT(""),
 259                                     wstyle,
 260                                     x, y, w, h,
 261                                     GetWinHwnd(GetParent()),
 262                                     (HMENU)m_windowId,
 263                                     wxGetInstance(),
 264                                     NULL);
 265
 266     if ( !m_hWnd )
 267     {
 268         wxLogError(_("Can't create list control window, check that comctl32.dll is installed."));
 269
 270         return FALSE;
 271     }
 272
 273     // for comctl32.dll v 4.70+ we want to have this attribute because it's
 274     // prettier (and also because wxGTK does it like this)
 275     if ( (wstyle & LVS_REPORT) && wxTheApp->GetComCtl32Version() >= 470 )
 276     {
 277         ::SendMessage(GetHwnd(), LVM_SETEXTENDEDLISTVIEWSTYLE,
 278                       0, LVS_EX_FULLROWSELECT);
 279     }
 280
 281     SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW));
 282     SetForegroundColour(GetParent()->GetForegroundColour());
 283
 284     SubclassWin(m_hWnd);
 285
 286     return TRUE;
 287 }
 288
 289 void wxListCtrl::UpdateStyle()
 290 {
 291     if ( GetHWND() )
 292     {
 293         // The new window view style
 294         long dummy;
 295         DWORD dwStyleNew = ConvertToMSWStyle(dummy, m_windowStyle);
 296         dwStyleNew |= m_baseStyle;
 297
 298         // Get the current window style.
 299         DWORD dwStyleOld = ::GetWindowLong(GetHwnd(), GWL_STYLE);
 300
 301         // Only set the window style if the view bits have changed.
 302         if ( dwStyleOld != dwStyleNew )
 303         {
 304             ::SetWindowLong(GetHwnd(), GWL_STYLE, dwStyleNew);
 305         }
 306     }
 307 }
 308
 309 void wxListCtrl::FreeAllAttrs(bool dontRecreate)
 310 {
 311     if ( m_hasAnyAttr )
 312     {
 313         for ( wxNode *node = m_attrs.Next(); node; node = m_attrs.Next() )
 314         {
 315             delete (wxListItemAttr *)node->Data();
 316         }
 317
 318         m_attrs.Destroy();
 319         if ( !dontRecreate )
 320         {
 321             m_attrs.Create(wxKEY_INTEGER, 1000);        // just as def ctor
 322         }
 323
 324         m_hasAnyAttr = FALSE;
 325     }
 326 }
 327
 328 wxListCtrl::~wxListCtrl()
 329 {
 330     FreeAllAttrs(TRUE /* no need to recreate hash any more */);
 331
 332     if ( m_textCtrl )
 333     {
 334         m_textCtrl->SetHWND(0);
 335         m_textCtrl->UnsubclassWin();
 336         delete m_textCtrl;
 337         m_textCtrl = NULL;
 338     }
 339
 340     if (m_ownsImageListNormal) delete m_imageListNormal;
 341     if (m_ownsImageListSmall) delete m_imageListSmall;
 342     if (m_ownsImageListState) delete m_imageListState;
 343 }
 344
 345 // ----------------------------------------------------------------------------
 346 // set/get/change style
 347 // ----------------------------------------------------------------------------
 348
 349 // Add or remove a single window style
 350 void wxListCtrl::SetSingleStyle(long style, bool add)
 351 {
 352     long flag = GetWindowStyleFlag();
 353
 354     // Get rid of conflicting styles
 355     if ( add )
 356     {
 357         if ( style & wxLC_MASK_TYPE)
 358             flag = flag & ~wxLC_MASK_TYPE;
 359         if ( style & wxLC_MASK_ALIGN )
 360             flag = flag & ~wxLC_MASK_ALIGN;
 361         if ( style & wxLC_MASK_SORT )
 362             flag = flag & ~wxLC_MASK_SORT;
 363     }
 364
 365     if ( flag & style )
 366     {
 367         if ( !add )
 368             flag -= style;
 369     }
 370     else
 371     {
 372         if ( add )
 373         {
 374             flag |= style;
 375         }
 376     }
 377
 378     m_windowStyle = flag;
 379
 380     UpdateStyle();
 381 }
 382
 383 // Set the whole window style
 384 void wxListCtrl::SetWindowStyleFlag(long flag)
 385 {
 386     m_windowStyle = flag;
 387
 388     UpdateStyle();
 389 }
 390
 391 // Can be just a single style, or a bitlist
 392 long wxListCtrl::ConvertToMSWStyle(long& oldStyle, long style) const
 393 {
 394     long wstyle = 0;
 395     if ( style & wxLC_ICON )
 396     {
 397         if ( (oldStyle & LVS_TYPEMASK) == LVS_SMALLICON )
 398             oldStyle -= LVS_SMALLICON;
 399         if ( (oldStyle & LVS_TYPEMASK) == LVS_REPORT )
 400             oldStyle -= LVS_REPORT;
 401         if ( (oldStyle & LVS_TYPEMASK) == LVS_LIST )
 402             oldStyle -= LVS_LIST;
 403         wstyle |= LVS_ICON;
 404     }
 405
 406     if ( style & wxLC_SMALL_ICON )
 407     {
 408         if ( (oldStyle & LVS_TYPEMASK) == LVS_ICON )
 409             oldStyle -= LVS_ICON;
 410         if ( (oldStyle & LVS_TYPEMASK) == LVS_REPORT )
 411             oldStyle -= LVS_REPORT;
 412         if ( (oldStyle & LVS_TYPEMASK) == LVS_LIST )
 413             oldStyle -= LVS_LIST;
 414         wstyle |= LVS_SMALLICON;
 415     }
 416
 417     if ( style & wxLC_LIST )
 418     {
 419         if ( (oldStyle & LVS_TYPEMASK) == LVS_ICON )
 420             oldStyle -= LVS_ICON;
 421         if ( (oldStyle & LVS_TYPEMASK) == LVS_REPORT )
 422             oldStyle -= LVS_REPORT;
 423         if ( (oldStyle & LVS_TYPEMASK) == LVS_SMALLICON )
 424             oldStyle -= LVS_SMALLICON;
 425         wstyle |= LVS_LIST;
 426     }
 427
 428     if ( style & wxLC_REPORT )
 429     {
 430         if ( (oldStyle & LVS_TYPEMASK) == LVS_ICON )
 431             oldStyle -= LVS_ICON;
 432         if ( (oldStyle & LVS_TYPEMASK) == LVS_LIST )
 433             oldStyle -= LVS_LIST;
 434         if ( (oldStyle & LVS_TYPEMASK) == LVS_SMALLICON )
 435             oldStyle -= LVS_SMALLICON;
 436
 437         wstyle |= LVS_REPORT;
 438     }
 439
 440     if ( style & wxLC_ALIGN_LEFT )
 441     {
 442         if ( oldStyle & LVS_ALIGNTOP )
 443             oldStyle -= LVS_ALIGNTOP;
 444         wstyle |= LVS_ALIGNLEFT;
 445     }
 446
 447     if ( style & wxLC_ALIGN_TOP )
 448     {
 449         if ( oldStyle & LVS_ALIGNLEFT )
 450             oldStyle -= LVS_ALIGNLEFT;
 451         wstyle |= LVS_ALIGNTOP;
 452     }
 453
 454     if ( style & wxLC_AUTOARRANGE )
 455         wstyle |= LVS_AUTOARRANGE;
 456
 457     if ( style & wxLC_NO_SORT_HEADER )
 458         wstyle |= LVS_NOSORTHEADER;
 459
 460     if ( style & wxLC_NO_HEADER )
 461         wstyle |= LVS_NOCOLUMNHEADER;
 462
 463     if ( style & wxLC_EDIT_LABELS )
 464         wstyle |= LVS_EDITLABELS;
 465
 466     if ( style & wxLC_SINGLE_SEL )
 467         wstyle |= LVS_SINGLESEL;
 468
 469     if ( style & wxLC_SORT_ASCENDING )
 470     {
 471         if ( oldStyle & LVS_SORTDESCENDING )
 472             oldStyle -= LVS_SORTDESCENDING;
 473         wstyle |= LVS_SORTASCENDING;
 474     }
 475
 476     if ( style & wxLC_SORT_DESCENDING )
 477     {
 478         if ( oldStyle & LVS_SORTASCENDING )
 479             oldStyle -= LVS_SORTASCENDING;
 480         wstyle |= LVS_SORTDESCENDING;
 481     }
 482
 483     if ( style & wxLC_VIRTUAL )
 484     {
 485         int ver = wxTheApp->GetComCtl32Version();
 486         if ( ver < 470 )
 487         {
 488             wxLogWarning(_("Please install a newer version of comctl32.dll\n"
 489                            "(at least version 4.70 is required but you have "
 490                            "%d.%02d)\n"
 491                            "or this program won't operate correctly."),
 492                         ver / 100, ver % 100);
 493         }
 494
 495         wstyle |= LVS_OWNERDATA;
 496     }
 497
 498     return wstyle;
 499 }
 500
 501 // ----------------------------------------------------------------------------
 502 // accessors
 503 // ----------------------------------------------------------------------------
 504
 505 // Sets the foreground, i.e. text, colour
 506 bool wxListCtrl::SetForegroundColour(const wxColour& col)
 507 {
 508     if ( !wxWindow::SetForegroundColour(col) )
 509         return FALSE;
 510
 511     ListView_SetTextColor(GetHwnd(), wxColourToRGB(col));
 512
 513     return TRUE;
 514 }
 515
 516 // Sets the background colour
 517 bool wxListCtrl::SetBackgroundColour(const wxColour& col)
 518 {
 519     if ( !wxWindow::SetBackgroundColour(col) )
 520         return FALSE;
 521
 522     // we set the same colour for both the "empty" background and the items
 523     // background
 524     COLORREF color = wxColourToRGB(col);
 525     ListView_SetBkColor(GetHwnd(), color);
 526     ListView_SetTextBkColor(GetHwnd(), color);
 527
 528     return TRUE;
 529 }
 530
 531 // Gets information about this column
 532 bool wxListCtrl::GetColumn(int col, wxListItem& item) const
 533 {
 534     LV_COLUMN lvCol;
 535     lvCol.mask = 0;
 536     lvCol.fmt = 0;
 537     lvCol.pszText = NULL;
 538
 539     if ( item.m_mask & wxLIST_MASK_TEXT )
 540     {
 541         lvCol.mask |= LVCF_TEXT;
 542         lvCol.pszText = new wxChar[513];
 543         lvCol.cchTextMax = 512;
 544     }
 545
 546     bool success = (ListView_GetColumn(GetHwnd(), col, & lvCol) != 0);
 547
 548     //  item.m_subItem = lvCol.iSubItem;
 549     item.m_width = lvCol.cx;
 550
 551     if ( (item.m_mask & wxLIST_MASK_TEXT) && lvCol.pszText )
 552     {
 553         item.m_text = lvCol.pszText;
 554         delete[] lvCol.pszText;
 555     }
 556
 557     if ( item.m_mask & wxLIST_MASK_FORMAT )
 558     {
 559         if (lvCol.fmt == LVCFMT_LEFT)
 560             item.m_format = wxLIST_FORMAT_LEFT;
 561         else if (lvCol.fmt == LVCFMT_RIGHT)
 562             item.m_format = wxLIST_FORMAT_RIGHT;
 563         else if (lvCol.fmt == LVCFMT_CENTER)
 564             item.m_format = wxLIST_FORMAT_CENTRE;
 565     }
 566
 567     return success;
 568 }
 569
 570 // Sets information about this column
 571 bool wxListCtrl::SetColumn(int col, wxListItem& item)
 572 {
 573     LV_COLUMN lvCol;
 574     lvCol.mask = 0;
 575     lvCol.fmt = 0;
 576     lvCol.pszText = NULL;
 577
 578     if ( item.m_mask & wxLIST_MASK_TEXT )
 579     {
 580         lvCol.mask |= LVCF_TEXT;
 581         lvCol.pszText = WXSTRINGCAST item.m_text;
 582         lvCol.cchTextMax = 0; // Ignored
 583     }
 584     if ( item.m_mask & wxLIST_MASK_FORMAT )
 585     {
 586         lvCol.mask |= LVCF_FMT;
 587
 588         if ( item.m_format == wxLIST_FORMAT_LEFT )
 589             lvCol.fmt = LVCFMT_LEFT;
 590         if ( item.m_format == wxLIST_FORMAT_RIGHT )
 591             lvCol.fmt = LVCFMT_RIGHT;
 592         if ( item.m_format == wxLIST_FORMAT_CENTRE )
 593             lvCol.fmt = LVCFMT_CENTER;
 594     }
 595
 596     if ( item.m_mask & wxLIST_MASK_WIDTH )
 597     {
 598         lvCol.mask |= LVCF_WIDTH;
 599         lvCol.cx = item.m_width;
 600
 601         if ( lvCol.cx == wxLIST_AUTOSIZE)
 602             lvCol.cx = LVSCW_AUTOSIZE;
 603         else if ( lvCol.cx == wxLIST_AUTOSIZE_USEHEADER)
 604             lvCol.cx = LVSCW_AUTOSIZE_USEHEADER;
 605     }
 606     lvCol.mask |= LVCF_SUBITEM;
 607     lvCol.iSubItem = col;
 608     return (ListView_SetColumn(GetHwnd(), col, & lvCol) != 0);
 609 }
 610
 611 // Gets the column width
 612 int wxListCtrl::GetColumnWidth(int col) const
 613 {
 614     return ListView_GetColumnWidth(GetHwnd(), col);
 615 }
 616
 617 // Sets the column width
 618 bool wxListCtrl::SetColumnWidth(int col, int width)
 619 {
 620     int col2 = col;
 621     if ( m_windowStyle & wxLC_LIST )
 622         col2 = -1;
 623
 624     int width2 = width;
 625     if ( width2 == wxLIST_AUTOSIZE)
 626         width2 = LVSCW_AUTOSIZE;
 627     else if ( width2 == wxLIST_AUTOSIZE_USEHEADER)
 628         width2 = LVSCW_AUTOSIZE_USEHEADER;
 629
 630     return (ListView_SetColumnWidth(GetHwnd(), col2, width2) != 0);
 631 }
 632
 633 // Gets the number of items that can fit vertically in the
 634 // visible area of the list control (list or report view)
 635 // or the total number of items in the list control (icon
 636 // or small icon view)
 637 int wxListCtrl::GetCountPerPage() const
 638 {
 639     return ListView_GetCountPerPage(GetHwnd());
 640 }
 641
 642 // Gets the edit control for editing labels.
 643 wxTextCtrl* wxListCtrl::GetEditControl() const
 644 {
 645     return m_textCtrl;
 646 }
 647
 648 // Gets information about the item
 649 bool wxListCtrl::GetItem(wxListItem& info) const
 650 {
 651     LV_ITEM lvItem;
 652     wxZeroMemory(lvItem);
 653
 654     lvItem.iItem = info.m_itemId;
 655     lvItem.iSubItem = info.m_col;
 656
 657     if ( info.m_mask & wxLIST_MASK_TEXT )
 658     {
 659         lvItem.mask |= LVIF_TEXT;
 660         lvItem.pszText = new wxChar[513];
 661         lvItem.cchTextMax = 512;
 662     }
 663     else
 664     {
 665         lvItem.pszText = NULL;
 666     }
 667
 668     if (info.m_mask & wxLIST_MASK_DATA)
 669         lvItem.mask |= LVIF_PARAM;
 670
 671     if (info.m_mask & wxLIST_MASK_IMAGE)
 672         lvItem.mask |= LVIF_IMAGE;
 673
 674     if ( info.m_mask & wxLIST_MASK_STATE )
 675     {
 676         lvItem.mask |= LVIF_STATE;
 677         // the other bits are hardly interesting anyhow
 678         lvItem.stateMask = LVIS_SELECTED | LVIS_FOCUSED;
 679     }
 680
 681     bool success = ListView_GetItem((HWND)GetHWND(), &lvItem) != 0;
 682     if ( !success )
 683     {
 684         wxLogError(_("Couldn't retrieve information about list control item %d."),
 685                 lvItem.iItem);
 686     }
 687     else
 688     {
 689         // give NULL as hwnd as we already have everything we need
 690         wxConvertFromMSWListItem(NULL, info, lvItem);
 691     }
 692
 693     if (lvItem.pszText)
 694         delete[] lvItem.pszText;
 695
 696     return success;
 697 }
 698
 699 // Sets information about the item
 700 bool wxListCtrl::SetItem(wxListItem& info)
 701 {
 702     LV_ITEM item;
 703     wxConvertToMSWListItem(this, info, item);
 704
 705     item.cchTextMax = 0;
 706     if ( !ListView_SetItem(GetHwnd(), &item) )
 707     {
 708         wxLogDebug(_T("ListView_SetItem() failed"));
 709
 710         return FALSE;
 711     }
 712
 713     // we need to update the item immediately to show the new image
 714     bool updateNow = (info.m_mask & wxLIST_MASK_IMAGE) != 0;
 715
 716     // check whether it has any custom attributes
 717     if ( info.HasAttributes() )
 718     {
 719         wxListItemAttr *attr = (wxListItemAttr *)m_attrs.Get(item.iItem);
 720
 721         if ( attr == NULL )
 722             m_attrs.Put(item.iItem, (wxObject *)new wxListItemAttr(*info.GetAttributes()));
 723         else
 724             *attr = *info.GetAttributes();
 725
 726         m_hasAnyAttr = TRUE;
 727
 728         // if the colour has changed, we must redraw the item
 729         updateNow = TRUE;
 730     }
 731
 732     if ( updateNow )
 733     {
 734         // we need this to make the change visible right now
 735         ListView_Update(GetHwnd(), item.iItem);
 736     }
 737
 738     return TRUE;
 739 }
 740
 741 long wxListCtrl::SetItem(long index, int col, const wxString& label, int imageId)
 742 {
 743     wxListItem info;
 744     info.m_text = label;
 745     info.m_mask = wxLIST_MASK_TEXT;
 746     info.m_itemId = index;
 747     info.m_col = col;
 748     if ( imageId > -1 )
 749     {
 750         info.m_image = imageId;
 751         info.m_mask |= wxLIST_MASK_IMAGE;
 752     }
 753     return SetItem(info);
 754 }
 755
 756
 757 // Gets the item state
 758 int wxListCtrl::GetItemState(long item, long stateMask) const
 759 {
 760     wxListItem info;
 761
 762     info.m_mask = wxLIST_MASK_STATE;
 763     info.m_stateMask = stateMask;
 764     info.m_itemId = item;
 765
 766     if (!GetItem(info))
 767         return 0;
 768
 769     return info.m_state;
 770 }
 771
 772 // Sets the item state
 773 bool wxListCtrl::SetItemState(long item, long state, long stateMask)
 774 {
 775     // NB: don't use SetItem() here as it doesn't work with the virtual list
 776     //     controls
 777     LV_ITEM lvItem;
 778     wxZeroMemory(lvItem);
 779
 780     wxConvertToMSWFlags(state, stateMask, lvItem);
 781
 782     if ( !::SendMessage(GetHwnd(), LVM_SETITEMSTATE,
 783                         (WPARAM)item, (LPARAM)&lvItem) )
 784     {
 785         wxLogLastError(_T("ListView_SetItemState"));
 786
 787         return FALSE;
 788     }
 789
 790     return TRUE;
 791 }
 792
 793 // Sets the item image
 794 bool wxListCtrl::SetItemImage(long item, int image, int WXUNUSED(selImage))
 795 {
 796     wxListItem info;
 797
 798     info.m_mask = wxLIST_MASK_IMAGE;
 799     info.m_image = image;
 800     info.m_itemId = item;
 801
 802     return SetItem(info);
 803 }
 804
 805 // Gets the item text
 806 wxString wxListCtrl::GetItemText(long item) const
 807 {
 808     wxListItem info;
 809
 810     info.m_mask = wxLIST_MASK_TEXT;
 811     info.m_itemId = item;
 812
 813     if (!GetItem(info))
 814         return wxString("");
 815     return info.m_text;
 816 }
 817
 818 // Sets the item text
 819 void wxListCtrl::SetItemText(long item, const wxString& str)
 820 {
 821     wxListItem info;
 822
 823     info.m_mask = wxLIST_MASK_TEXT;
 824     info.m_itemId = item;
 825     info.m_text = str;
 826
 827     SetItem(info);
 828 }
 829
 830 // Gets the item data
 831 long wxListCtrl::GetItemData(long item) const
 832 {
 833     wxListItem info;
 834
 835     info.m_mask = wxLIST_MASK_DATA;
 836     info.m_itemId = item;
 837
 838     if (!GetItem(info))
 839         return 0;
 840     return info.m_data;
 841 }
 842
 843 // Sets the item data
 844 bool wxListCtrl::SetItemData(long item, long data)
 845 {
 846     wxListItem info;
 847
 848     info.m_mask = wxLIST_MASK_DATA;
 849     info.m_itemId = item;
 850     info.m_data = data;
 851
 852     return SetItem(info);
 853 }
 854
 855 // Gets the item rectangle
 856 bool wxListCtrl::GetItemRect(long item, wxRect& rect, int code) const
 857 {
 858     RECT rect2;
 859
 860     int code2 = LVIR_BOUNDS;
 861     if ( code == wxLIST_RECT_BOUNDS )
 862         code2 = LVIR_BOUNDS;
 863     else if ( code == wxLIST_RECT_ICON )
 864         code2 = LVIR_ICON;
 865     else if ( code == wxLIST_RECT_LABEL )
 866         code2 = LVIR_LABEL;
 867
 868 #ifdef __WXWINE__
 869     bool success = (ListView_GetItemRect(GetHwnd(), (int) item, &rect2 ) != 0);
 870 #else
 871     bool success = (ListView_GetItemRect(GetHwnd(), (int) item, &rect2, code2) != 0);
 872 #endif
 873
 874     rect.x = rect2.left;
 875     rect.y = rect2.top;
 876     rect.width = rect2.right - rect2.left;
 877     rect.height = rect2.bottom - rect2.top;
 878     return success;
 879 }
 880
 881 // Gets the item position
 882 bool wxListCtrl::GetItemPosition(long item, wxPoint& pos) const
 883 {
 884     POINT pt;
 885
 886     bool success = (ListView_GetItemPosition(GetHwnd(), (int) item, &pt) != 0);
 887
 888     pos.x = pt.x; pos.y = pt.y;
 889     return success;
 890 }
 891
 892 // Sets the item position.
 893 bool wxListCtrl::SetItemPosition(long item, const wxPoint& pos)
 894 {
 895     return (ListView_SetItemPosition(GetHwnd(), (int) item, pos.x, pos.y) != 0);
 896 }
 897
 898 // Gets the number of items in the list control
 899 int wxListCtrl::GetItemCount() const
 900 {
 901     return ListView_GetItemCount(GetHwnd());
 902 }
 903
 904 // Retrieves the spacing between icons in pixels.
 905 // If small is TRUE, gets the spacing for the small icon
 906 // view, otherwise the large icon view.
 907 int wxListCtrl::GetItemSpacing(bool isSmall) const
 908 {
 909     return ListView_GetItemSpacing(GetHwnd(), (BOOL) isSmall);
 910 }
 911
 912 // Gets the number of selected items in the list control
 913 int wxListCtrl::GetSelectedItemCount() const
 914 {
 915     return ListView_GetSelectedCount(GetHwnd());
 916 }
 917
 918 // Gets the text colour of the listview
 919 wxColour wxListCtrl::GetTextColour() const
 920 {
 921     COLORREF ref = ListView_GetTextColor(GetHwnd());
 922     wxColour col(GetRValue(ref), GetGValue(ref), GetBValue(ref));
 923     return col;
 924 }
 925
 926 // Sets the text colour of the listview
 927 void wxListCtrl::SetTextColour(const wxColour& col)
 928 {
 929     ListView_SetTextColor(GetHwnd(), PALETTERGB(col.Red(), col.Green(), col.Blue()));
 930 }
 931
 932 // Gets the index of the topmost visible item when in
 933 // list or report view
 934 long wxListCtrl::GetTopItem() const
 935 {
 936     return (long) ListView_GetTopIndex(GetHwnd());
 937 }
 938
 939 // Searches for an item, starting from 'item'.
 940 // 'geometry' is one of
 941 // wxLIST_NEXT_ABOVE/ALL/BELOW/LEFT/RIGHT.
 942 // 'state' is a state bit flag, one or more of
 943 // wxLIST_STATE_DROPHILITED/FOCUSED/SELECTED/CUT.
 944 // item can be -1 to find the first item that matches the
 945 // specified flags.
 946 // Returns the item or -1 if unsuccessful.
 947 long wxListCtrl::GetNextItem(long item, int geom, int state) const
 948 {
 949     long flags = 0;
 950
 951     if ( geom == wxLIST_NEXT_ABOVE )
 952         flags |= LVNI_ABOVE;
 953     if ( geom == wxLIST_NEXT_ALL )
 954         flags |= LVNI_ALL;
 955     if ( geom == wxLIST_NEXT_BELOW )
 956         flags |= LVNI_BELOW;
 957     if ( geom == wxLIST_NEXT_LEFT )
 958         flags |= LVNI_TOLEFT;
 959     if ( geom == wxLIST_NEXT_RIGHT )
 960         flags |= LVNI_TORIGHT;
 961
 962     if ( state & wxLIST_STATE_CUT )
 963         flags |= LVNI_CUT;
 964     if ( state & wxLIST_STATE_DROPHILITED )
 965         flags |= LVNI_DROPHILITED;
 966     if ( state & wxLIST_STATE_FOCUSED )
 967         flags |= LVNI_FOCUSED;
 968     if ( state & wxLIST_STATE_SELECTED )
 969         flags |= LVNI_SELECTED;
 970
 971     return (long) ListView_GetNextItem(GetHwnd(), item, flags);
 972 }
 973
 974
 975 wxImageList *wxListCtrl::GetImageList(int which) const
 976 {
 977     if ( which == wxIMAGE_LIST_NORMAL )
 978     {
 979         return m_imageListNormal;
 980     }
 981     else if ( which == wxIMAGE_LIST_SMALL )
 982     {
 983         return m_imageListSmall;
 984     }
 985     else if ( which == wxIMAGE_LIST_STATE )
 986     {
 987         return m_imageListState;
 988     }
 989     return NULL;
 990 }
 991
 992 void wxListCtrl::SetImageList(wxImageList *imageList, int which)
 993 {
 994     int flags = 0;
 995     if ( which == wxIMAGE_LIST_NORMAL )
 996     {
 997         flags = LVSIL_NORMAL;
 998         if (m_ownsImageListNormal) delete m_imageListNormal;
 999         m_imageListNormal = imageList;
1000         m_ownsImageListNormal = FALSE;
1001     }
1002     else if ( which == wxIMAGE_LIST_SMALL )
1003     {
1004         flags = LVSIL_SMALL;
1005         if (m_ownsImageListSmall) delete m_imageListSmall;
1006         m_imageListSmall = imageList;
1007         m_ownsImageListSmall = FALSE;
1008     }
1009     else if ( which == wxIMAGE_LIST_STATE )
1010     {
1011         flags = LVSIL_STATE;
1012         if (m_ownsImageListState) delete m_imageListState;
1013         m_imageListState = imageList;
1014         m_ownsImageListState = FALSE;
1015     }
1016     ListView_SetImageList(GetHwnd(), (HIMAGELIST) imageList ? imageList->GetHIMAGELIST() : 0, flags);
1017 }
1018
1019 void wxListCtrl::AssignImageList(wxImageList *imageList, int which)
1020 {
1021     SetImageList(imageList, which);
1022     if ( which == wxIMAGE_LIST_NORMAL )
1023         m_ownsImageListNormal = TRUE;
1024     else if ( which == wxIMAGE_LIST_SMALL )
1025         m_ownsImageListSmall = TRUE;
1026     else if ( which == wxIMAGE_LIST_STATE )
1027         m_ownsImageListState = TRUE;
1028 }
1029
1030 // ----------------------------------------------------------------------------
1031 // Operations
1032 // ----------------------------------------------------------------------------
1033
1034 // Arranges the items
1035 bool wxListCtrl::Arrange(int flag)
1036 {
1037     UINT code = 0;
1038     if ( flag == wxLIST_ALIGN_LEFT )
1039         code = LVA_ALIGNLEFT;
1040     else if ( flag == wxLIST_ALIGN_TOP )
1041         code = LVA_ALIGNTOP;
1042     else if ( flag == wxLIST_ALIGN_DEFAULT )
1043         code = LVA_DEFAULT;
1044     else if ( flag == wxLIST_ALIGN_SNAP_TO_GRID )
1045         code = LVA_SNAPTOGRID;
1046
1047     return (ListView_Arrange(GetHwnd(), code) != 0);
1048 }
1049
1050 // Deletes an item
1051 bool wxListCtrl::DeleteItem(long item)
1052 {
1053     return (ListView_DeleteItem(GetHwnd(), (int) item) != 0);
1054 }
1055
1056 // Deletes all items
1057 bool wxListCtrl::DeleteAllItems()
1058 {
1059     return (ListView_DeleteAllItems(GetHwnd()) != 0);
1060 }
1061
1062 // Deletes all items
1063 bool wxListCtrl::DeleteAllColumns()
1064 {
1065     while ( m_colCount > 0 )
1066     {
1067         if ( ListView_DeleteColumn(GetHwnd(), 0) == 0 )
1068         {
1069             wxLogLastError(wxT("ListView_DeleteColumn"));
1070
1071             return FALSE;
1072         }
1073
1074         m_colCount--;
1075     }
1076
1077     wxASSERT_MSG( m_colCount == 0, wxT("no columns should be left") );
1078
1079     return TRUE;
1080 }
1081
1082 // Deletes a column
1083 bool wxListCtrl::DeleteColumn(int col)
1084 {
1085     bool success = (ListView_DeleteColumn(GetHwnd(), col) != 0);
1086
1087     if ( success && (m_colCount > 0) )
1088         m_colCount --;
1089     return success;
1090 }
1091
1092 // Clears items, and columns if there are any.
1093 void wxListCtrl::ClearAll()
1094 {
1095     DeleteAllItems();
1096     if ( m_colCount > 0 )
1097         DeleteAllColumns();
1098 }
1099
1100 wxTextCtrl* wxListCtrl::EditLabel(long item, wxClassInfo* textControlClass)
1101 {
1102     wxASSERT( (textControlClass->IsKindOf(CLASSINFO(wxTextCtrl))) );
1103
1104     // VS: ListView_EditLabel requires that the list has focus.
1105     SetFocus();
1106     HWND hWnd = (HWND) ListView_EditLabel(GetHwnd(), item);
1107
1108     if (m_textCtrl)
1109     {
1110         m_textCtrl->SetHWND(0);
1111         m_textCtrl->UnsubclassWin();
1112         delete m_textCtrl;
1113         m_textCtrl = NULL;
1114     }
1115
1116     m_textCtrl = (wxTextCtrl*) textControlClass->CreateObject();
1117     m_textCtrl->SetHWND((WXHWND) hWnd);
1118     m_textCtrl->SubclassWin((WXHWND) hWnd);
1119
1120     return m_textCtrl;
1121 }
1122
1123 // End label editing, optionally cancelling the edit
1124 bool wxListCtrl::EndEditLabel(bool WXUNUSED(cancel))
1125 {
1126     wxFAIL_MSG( _T("not implemented") );
1127
1128     return FALSE;
1129 }
1130
1131 // Ensures this item is visible
1132 bool wxListCtrl::EnsureVisible(long item)
1133 {
1134     return ListView_EnsureVisible(GetHwnd(), (int) item, FALSE) != 0;
1135 }
1136
1137 // Find an item whose label matches this string, starting from the item after 'start'
1138 // or the beginning if 'start' is -1.
1139 long wxListCtrl::FindItem(long start, const wxString& str, bool partial)
1140 {
1141     LV_FINDINFO findInfo;
1142
1143     findInfo.flags = LVFI_STRING;
1144     if ( partial )
1145         findInfo.flags |= LVFI_PARTIAL;
1146     findInfo.psz = str;
1147
1148     // ListView_FindItem() excludes the first item from search and to look
1149     // through all the items you need to start from -1 which is unnatural and
1150     // inconsistent with the generic version - so we adjust the index
1151     if (start != -1)
1152         start --;
1153     return ListView_FindItem(GetHwnd(), (int) start, &findInfo);
1154 }
1155
1156 // Find an item whose data matches this data, starting from the item after 'start'
1157 // or the beginning if 'start' is -1.
1158 long wxListCtrl::FindItem(long start, long data)
1159 {
1160     LV_FINDINFO findInfo;
1161
1162     findInfo.flags = LVFI_PARAM;
1163     findInfo.lParam = data;
1164
1165     return ListView_FindItem(GetHwnd(), (int) start, & findInfo);
1166 }
1167
1168 // Find an item nearest this position in the specified direction, starting from
1169 // the item after 'start' or the beginning if 'start' is -1.
1170 long wxListCtrl::FindItem(long start, const wxPoint& pt, int direction)
1171 {
1172     LV_FINDINFO findInfo;
1173
1174     findInfo.flags = LVFI_NEARESTXY;
1175     findInfo.pt.x = pt.x;
1176     findInfo.pt.y = pt.y;
1177     findInfo.vkDirection = VK_RIGHT;
1178
1179     if ( direction == wxLIST_FIND_UP )
1180         findInfo.vkDirection = VK_UP;
1181     else if ( direction == wxLIST_FIND_DOWN )
1182         findInfo.vkDirection = VK_DOWN;
1183     else if ( direction == wxLIST_FIND_LEFT )
1184         findInfo.vkDirection = VK_LEFT;
1185     else if ( direction == wxLIST_FIND_RIGHT )
1186         findInfo.vkDirection = VK_RIGHT;
1187
1188     return ListView_FindItem(GetHwnd(), (int) start, & findInfo);
1189 }
1190
1191 // Determines which item (if any) is at the specified point,
1192 // giving details in 'flags' (see wxLIST_HITTEST_... flags above)
1193 long wxListCtrl::HitTest(const wxPoint& point, int& flags)
1194 {
1195     LV_HITTESTINFO hitTestInfo;
1196     hitTestInfo.pt.x = (int) point.x;
1197     hitTestInfo.pt.y = (int) point.y;
1198
1199     ListView_HitTest(GetHwnd(), & hitTestInfo);
1200
1201     flags = 0;
1202     if ( hitTestInfo.flags & LVHT_ABOVE )
1203         flags |= wxLIST_HITTEST_ABOVE;
1204     if ( hitTestInfo.flags & LVHT_BELOW )
1205         flags |= wxLIST_HITTEST_BELOW;
1206     if ( hitTestInfo.flags & LVHT_NOWHERE )
1207         flags |= wxLIST_HITTEST_NOWHERE;
1208     if ( hitTestInfo.flags & LVHT_ONITEMICON )
1209         flags |= wxLIST_HITTEST_ONITEMICON;
1210     if ( hitTestInfo.flags & LVHT_ONITEMLABEL )
1211         flags |= wxLIST_HITTEST_ONITEMLABEL;
1212     if ( hitTestInfo.flags & LVHT_ONITEMSTATEICON )
1213         flags |= wxLIST_HITTEST_ONITEMSTATEICON;
1214     if ( hitTestInfo.flags & LVHT_TOLEFT )
1215         flags |= wxLIST_HITTEST_TOLEFT;
1216     if ( hitTestInfo.flags & LVHT_TORIGHT )
1217         flags |= wxLIST_HITTEST_TORIGHT;
1218
1219     return (long) hitTestInfo.iItem;
1220 }
1221
1222 // Inserts an item, returning the index of the new item if successful,
1223 // -1 otherwise.
1224 long wxListCtrl::InsertItem(wxListItem& info)
1225 {
1226     wxASSERT_MSG( !IsVirtual(), _T("can't be used with virtual controls") );
1227
1228     LV_ITEM item;
1229     wxConvertToMSWListItem(this, info, item);
1230
1231     // check whether it has any custom attributes
1232     if ( info.HasAttributes() )
1233     {
1234
1235         wxListItemAttr *attr;
1236         attr = (wxListItemAttr*) m_attrs.Get(item.iItem);
1237
1238         if (attr == NULL)
1239
1240             m_attrs.Put(item.iItem, (wxObject *)new wxListItemAttr(*info.GetAttributes()));
1241
1242         else *attr = *info.GetAttributes();
1243
1244         m_hasAnyAttr = TRUE;
1245     }
1246
1247     return (long) ListView_InsertItem(GetHwnd(), & item);
1248 }
1249
1250 long wxListCtrl::InsertItem(long index, const wxString& label)
1251 {
1252     wxListItem info;
1253     info.m_text = label;
1254     info.m_mask = wxLIST_MASK_TEXT;
1255     info.m_itemId = index;
1256     return InsertItem(info);
1257 }
1258
1259 // Inserts an image item
1260 long wxListCtrl::InsertItem(long index, int imageIndex)
1261 {
1262     wxListItem info;
1263     info.m_image = imageIndex;
1264     info.m_mask = wxLIST_MASK_IMAGE;
1265     info.m_itemId = index;
1266     return InsertItem(info);
1267 }
1268
1269 // Inserts an image/string item
1270 long wxListCtrl::InsertItem(long index, const wxString& label, int imageIndex)
1271 {
1272     wxListItem info;
1273     info.m_image = imageIndex;
1274     info.m_text = label;
1275     info.m_mask = wxLIST_MASK_IMAGE | wxLIST_MASK_TEXT;
1276     info.m_itemId = index;
1277     return InsertItem(info);
1278 }
1279
1280 // For list view mode (only), inserts a column.
1281 long wxListCtrl::InsertColumn(long col, wxListItem& item)
1282 {
1283     LV_COLUMN lvCol;
1284     lvCol.mask = 0;
1285     lvCol.fmt = 0;
1286     lvCol.pszText = NULL;
1287
1288     if ( item.m_mask & wxLIST_MASK_TEXT )
1289     {
1290         lvCol.mask |= LVCF_TEXT;
1291         lvCol.pszText = WXSTRINGCAST item.m_text;
1292         lvCol.cchTextMax = 0; // Ignored
1293     }
1294     if ( item.m_mask & wxLIST_MASK_FORMAT )
1295     {
1296         lvCol.mask |= LVCF_FMT;
1297
1298         if ( item.m_format == wxLIST_FORMAT_LEFT )
1299             lvCol.fmt = LVCFMT_LEFT;
1300         if ( item.m_format == wxLIST_FORMAT_RIGHT )
1301             lvCol.fmt = LVCFMT_RIGHT;
1302         if ( item.m_format == wxLIST_FORMAT_CENTRE )
1303             lvCol.fmt = LVCFMT_CENTER;
1304     }
1305
1306     lvCol.mask |= LVCF_WIDTH;
1307     if ( item.m_mask & wxLIST_MASK_WIDTH )
1308     {
1309         if ( item.m_width == wxLIST_AUTOSIZE)
1310             lvCol.cx = LVSCW_AUTOSIZE;
1311         else if ( item.m_width == wxLIST_AUTOSIZE_USEHEADER)
1312             lvCol.cx = LVSCW_AUTOSIZE_USEHEADER;
1313         else
1314             lvCol.cx = item.m_width;
1315     }
1316     else
1317     {
1318         // always give some width to the new column: this one is compatible
1319         // with wxGTK
1320         lvCol.cx = 80;
1321     }
1322
1323     lvCol.mask |= LVCF_SUBITEM;
1324     lvCol.iSubItem = col;
1325
1326     bool success = ListView_InsertColumn(GetHwnd(), col, & lvCol) != -1;
1327     if ( success )
1328     {
1329         m_colCount++;
1330     }
1331     else
1332     {
1333         wxLogDebug(wxT("Failed to insert the column '%s' into listview!"),
1334                    lvCol.pszText);
1335     }
1336
1337     return success;
1338 }
1339
1340 long wxListCtrl::InsertColumn(long col,
1341                               const wxString& heading,
1342                               int format,
1343                               int width)
1344 {
1345     wxListItem item;
1346     item.m_mask = wxLIST_MASK_TEXT | wxLIST_MASK_FORMAT;
1347     item.m_text = heading;
1348     if ( width > -1 )
1349     {
1350         item.m_mask |= wxLIST_MASK_WIDTH;
1351         item.m_width = width;
1352     }
1353     item.m_format = format;
1354
1355     return InsertColumn(col, item);
1356 }
1357
1358 // Scrolls the list control. If in icon, small icon or report view mode,
1359 // x specifies the number of pixels to scroll. If in list view mode, x
1360 // specifies the number of columns to scroll.
1361 // If in icon, small icon or list view mode, y specifies the number of pixels
1362 // to scroll. If in report view mode, y specifies the number of lines to scroll.
1363 bool wxListCtrl::ScrollList(int dx, int dy)
1364 {
1365     return (ListView_Scroll(GetHwnd(), dx, dy) != 0);
1366 }
1367
1368 // Sort items.
1369
1370 // fn is a function which takes 3 long arguments: item1, item2, data.
1371 // item1 is the long data associated with a first item (NOT the index).
1372 // item2 is the long data associated with a second item (NOT the index).
1373 // data is the same value as passed to SortItems.
1374 // The return value is a negative number if the first item should precede the second
1375 // item, a positive number of the second item should precede the first,
1376 // or zero if the two items are equivalent.
1377
1378 // data is arbitrary data to be passed to the sort function.
1379 bool wxListCtrl::SortItems(wxListCtrlCompare fn, long data)
1380 {
1381     return (ListView_SortItems(GetHwnd(), (PFNLVCOMPARE) fn, data) != 0);
1382 }
1383
1384 // ----------------------------------------------------------------------------
1385 // message processing
1386 // ----------------------------------------------------------------------------
1387
1388 bool wxListCtrl::MSWCommand(WXUINT cmd, WXWORD id)
1389 {
1390     if (cmd == EN_UPDATE)
1391     {
1392         wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, id);
1393         event.SetEventObject( this );
1394         ProcessCommand(event);
1395         return TRUE;
1396     }
1397     else if (cmd == EN_KILLFOCUS)
1398     {
1399         wxCommandEvent event(wxEVT_KILL_FOCUS, id);
1400         event.SetEventObject( this );
1401         ProcessCommand(event);
1402         return TRUE;
1403     }
1404     else
1405         return FALSE;
1406 }
1407
1408 bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
1409 {
1410     // prepare the event
1411     // -----------------
1412
1413     wxListEvent event(wxEVT_NULL, m_windowId);
1414     wxEventType eventType = wxEVT_NULL;
1415
1416     NMHDR *nmhdr = (NMHDR *)lParam;
1417
1418     // almost all messages use NM_LISTVIEW
1419     NM_LISTVIEW *nmLV = (NM_LISTVIEW *)nmhdr;
1420
1421     // this is true for almost all events
1422     event.m_item.m_data = nmLV->lParam;
1423
1424     switch ( nmhdr->code )
1425     {
1426         case LVN_BEGINRDRAG:
1427             eventType = wxEVT_COMMAND_LIST_BEGIN_RDRAG;
1428             // fall through
1429
1430         case LVN_BEGINDRAG:
1431             if ( eventType == wxEVT_NULL )
1432             {
1433                 eventType = wxEVT_COMMAND_LIST_BEGIN_DRAG;
1434             }
1435
1436             event.m_itemIndex = nmLV->iItem;
1437             event.m_pointDrag.x = nmLV->ptAction.x;
1438             event.m_pointDrag.y = nmLV->ptAction.y;
1439             break;
1440
1441         case LVN_BEGINLABELEDIT:
1442             {
1443                 eventType = wxEVT_COMMAND_LIST_BEGIN_LABEL_EDIT;
1444                 LV_DISPINFO *info = (LV_DISPINFO *)lParam;
1445                 wxConvertFromMSWListItem(GetHwnd(), event.m_item, info->item);
1446                 event.m_itemIndex = event.m_item.m_itemId;
1447             }
1448             break;
1449
1450         case LVN_COLUMNCLICK:
1451             eventType = wxEVT_COMMAND_LIST_COL_CLICK;
1452             event.m_itemIndex = -1;
1453             event.m_col = nmLV->iSubItem;
1454             break;
1455
1456         case LVN_DELETEALLITEMS:
1457             eventType = wxEVT_COMMAND_LIST_DELETE_ALL_ITEMS;
1458             event.m_itemIndex = -1;
1459
1460             FreeAllAttrs();
1461
1462             break;
1463
1464         case LVN_DELETEITEM:
1465             eventType = wxEVT_COMMAND_LIST_DELETE_ITEM;
1466             event.m_itemIndex = nmLV->iItem;
1467
1468             if ( m_hasAnyAttr )
1469             {
1470                 delete (wxListItemAttr *)m_attrs.Delete(nmLV->iItem);
1471             }
1472             break;
1473
1474         case LVN_ENDLABELEDIT:
1475             {
1476                 eventType = wxEVT_COMMAND_LIST_END_LABEL_EDIT;
1477                 LV_DISPINFO *info = (LV_DISPINFO *)lParam;
1478                 wxConvertFromMSWListItem(GetHwnd(), event.m_item, info->item);
1479                 if ( info->item.pszText == NULL || info->item.iItem == -1 )
1480                     return FALSE;
1481
1482                 event.m_itemIndex = event.m_item.m_itemId;
1483             }
1484             break;
1485
1486         case LVN_SETDISPINFO:
1487             {
1488                 eventType = wxEVT_COMMAND_LIST_SET_INFO;
1489                 LV_DISPINFO *info = (LV_DISPINFO *)lParam;
1490                 wxConvertFromMSWListItem(GetHwnd(), event.m_item, info->item);
1491             }
1492             break;
1493
1494         case LVN_INSERTITEM:
1495             eventType = wxEVT_COMMAND_LIST_INSERT_ITEM;
1496             event.m_itemIndex = nmLV->iItem;
1497             break;
1498
1499         case LVN_ITEMCHANGED:
1500             // This needs to be sent to wxListCtrl as a rather more concrete
1501             // event. For now, just detect a selection or deselection.
1502             if ( (nmLV->uNewState & LVIS_SELECTED) && !(nmLV->uOldState & LVIS_SELECTED) )
1503             {
1504                 eventType = wxEVT_COMMAND_LIST_ITEM_SELECTED;
1505                 event.m_itemIndex = nmLV->iItem;
1506             }
1507             else if ( !(nmLV->uNewState & LVIS_SELECTED) && (nmLV->uOldState & LVIS_SELECTED) )
1508             {
1509                 eventType = wxEVT_COMMAND_LIST_ITEM_DESELECTED;
1510                 event.m_itemIndex = nmLV->iItem;
1511             }
1512             else
1513             {
1514                 return FALSE;
1515             }
1516             break;
1517
1518         case LVN_KEYDOWN:
1519             {
1520                 LV_KEYDOWN *info = (LV_KEYDOWN *)lParam;
1521                 WORD wVKey = info->wVKey;
1522
1523                 // get the current selection
1524                 long lItem = GetNextItem(-1,
1525                                          wxLIST_NEXT_ALL,
1526                                          wxLIST_STATE_SELECTED);
1527
1528                 // <Enter> or <Space> activate the selected item if any (but
1529                 // not with Shift and/or Ctrl as then they have a predefined
1530                 // meaning for the list view)
1531                 if ( lItem != -1 &&
1532                      (wVKey == VK_RETURN || wVKey == VK_SPACE) &&
1533                      !(wxIsShiftDown() || wxIsCtrlDown()) )
1534                 {
1535                     eventType = wxEVT_COMMAND_LIST_ITEM_ACTIVATED;
1536                 }
1537                 else
1538                 {
1539                     eventType = wxEVT_COMMAND_LIST_KEY_DOWN;
1540                     event.m_code = wxCharCodeMSWToWX(wVKey);
1541                 }
1542
1543                 event.m_itemIndex =
1544                 event.m_item.m_itemId = lItem;
1545
1546                 if ( lItem != -1 )
1547                 {
1548                     // fill the other fields too
1549                     event.m_item.m_text = GetItemText(lItem);
1550                     event.m_item.m_data = GetItemData(lItem);
1551                 }
1552             }
1553             break;
1554
1555         case NM_DBLCLK:
1556             // if the user processes it in wxEVT_COMMAND_LEFT_CLICK(), don't do
1557             // anything else
1558             if ( wxControl::MSWOnNotify(idCtrl, lParam, result) )
1559             {
1560                 return TRUE;
1561             }
1562
1563             // else translate it into wxEVT_COMMAND_LIST_ITEM_ACTIVATED event
1564             // if it happened on an item (and not on empty place)
1565             if ( nmLV->iItem == -1 )
1566             {
1567                 // not on item
1568                 return FALSE;
1569             }
1570
1571             eventType = wxEVT_COMMAND_LIST_ITEM_ACTIVATED;
1572             event.m_itemIndex = nmLV->iItem;
1573             event.m_item.m_text = GetItemText(nmLV->iItem);
1574             event.m_item.m_data = GetItemData(nmLV->iItem);
1575             break;
1576
1577         case NM_RCLICK:
1578             /* TECH NOTE: NM_RCLICK isn't really good enough here. We want to
1579                subclass and check for the actual WM_RBUTTONDOWN message,
1580                because NM_RCLICK waits for the WM_RBUTTONUP message as well
1581                before firing off. We want to have notify events for both down
1582                -and- up. */
1583             {
1584                 // if the user processes it in wxEVT_COMMAND_RIGHT_CLICK(),
1585                 // don't do anything else
1586                 if ( wxControl::MSWOnNotify(idCtrl, lParam, result) )
1587                 {
1588                     return TRUE;
1589                 }
1590
1591                 // else translate it into wxEVT_COMMAND_LIST_ITEM_RIGHT_CLICK event
1592                 LV_HITTESTINFO lvhti;
1593                 wxZeroMemory(lvhti);
1594
1595                 ::GetCursorPos(&(lvhti.pt));
1596                 ::ScreenToClient(GetHwnd(),&(lvhti.pt));
1597                 if ( ListView_HitTest(GetHwnd(),&lvhti) != -1 )
1598                 {
1599                     if ( lvhti.flags & LVHT_ONITEM )
1600                     {
1601                         eventType = wxEVT_COMMAND_LIST_ITEM_RIGHT_CLICK;
1602                         event.m_itemIndex = lvhti.iItem;
1603                         event.m_pointDrag.x = lvhti.pt.x;
1604                         event.m_pointDrag.y = lvhti.pt.y;
1605                     }
1606                 }
1607             }
1608             break;
1609
1610 #if 0
1611         case NM_MCLICK: // ***** THERE IS NO NM_MCLICK. Subclass anyone? ******
1612             {
1613                 // if the user processes it in wxEVT_COMMAND_MIDDLE_CLICK(), don't do
1614                 // anything else
1615                 if ( wxControl::MSWOnNotify(idCtrl, lParam, result) )
1616                 {
1617                     return TRUE;
1618                 }
1619
1620                 // else translate it into wxEVT_COMMAND_LIST_ITEM_MIDDLE_CLICK event
1621                 eventType = wxEVT_COMMAND_LIST_ITEM_MIDDLE_CLICK;
1622                 NMITEMACTIVATE* hdr = (NMITEMACTIVATE*)lParam;
1623                 event.m_itemIndex = hdr->iItem;
1624             }
1625             break;
1626 #endif // 0
1627
1628 #if defined(_WIN32_IE) && _WIN32_IE >= 0x300
1629         case NM_CUSTOMDRAW:
1630             *result = OnCustomDraw(lParam);
1631
1632             return TRUE;
1633 #endif // _WIN32_IE >= 0x300
1634
1635         case LVN_ODCACHEHINT:
1636             {
1637                 const NM_CACHEHINT *cacheHint = (NM_CACHEHINT *)lParam;
1638
1639                 eventType = wxEVT_COMMAND_LIST_CACHE_HINT;
1640
1641                 // we get some really stupid cache hints like ones for items in
1642                 // range 0..0 for an empty control or, after deleting an item,
1643                 // for items in invalid range - filter this garbage out
1644                 if ( cacheHint->iFrom < cacheHint->iTo )
1645                 {
1646                     event.m_oldItemIndex = cacheHint->iFrom;
1647
1648                     long iMax = GetItemCount();
1649                     event.m_itemIndex = cacheHint->iTo < iMax ? cacheHint->iTo
1650                                                               : iMax - 1;
1651                 }
1652                 else
1653                 {
1654                     return FALSE;
1655                 }
1656             }
1657             break;
1658
1659         case LVN_GETDISPINFO:
1660             if ( IsVirtual() )
1661             {
1662                 LV_DISPINFO *info = (LV_DISPINFO *)lParam;
1663
1664                 LV_ITEM& lvi = info->item;
1665                 long item = lvi.iItem;
1666
1667                 if ( lvi.mask & LVIF_TEXT )
1668                 {
1669                     wxString text = OnGetItemText(item, lvi.iSubItem);
1670                     wxStrncpy(lvi.pszText, text, lvi.cchTextMax);
1671                 }
1672
1673                 if ( lvi.mask & LVIF_IMAGE )
1674                 {
1675                     lvi.iImage = OnGetItemImage(item);
1676                 }
1677
1678                 // a little dose of healthy paranoia: as we never use
1679                 // LVM_SETCALLBACKMASK we're not supposed to get these ones
1680                 wxASSERT_MSG( !(lvi.mask & LVIF_STATE),
1681                               _T("we don't support state callbacks yet!") );
1682
1683                 return TRUE;
1684             }
1685             // fall through
1686
1687         default:
1688             return wxControl::MSWOnNotify(idCtrl, lParam, result);
1689     }
1690
1691     // process the event
1692     // -----------------
1693
1694     event.SetEventObject( this );
1695     event.SetEventType(eventType);
1696
1697     if ( !GetEventHandler()->ProcessEvent(event) )
1698         return FALSE;
1699
1700     // post processing
1701     // ---------------
1702
1703     switch ( nmhdr->code )
1704     {
1705         case LVN_DELETEALLITEMS:
1706             // always return TRUE to suppress all additional LVN_DELETEITEM
1707             // notifications - this makes deleting all items from a list ctrl
1708             // much faster
1709             *result = TRUE;
1710
1711             return TRUE;
1712
1713         case LVN_ENDLABELEDIT:
1714             // logic here is inversed compared to all the other messages
1715             *result = event.IsAllowed();
1716
1717             return TRUE;
1718     }
1719
1720     *result = !event.IsAllowed();
1721
1722     return TRUE;
1723 }
1724
1725 #if defined(_WIN32_IE) && _WIN32_IE >= 0x300
1726
1727 WXLPARAM wxListCtrl::OnCustomDraw(WXLPARAM lParam)
1728 {
1729     LPNMLVCUSTOMDRAW lplvcd = (LPNMLVCUSTOMDRAW)lParam;
1730     NMCUSTOMDRAW& nmcd = lplvcd->nmcd;
1731     switch ( nmcd.dwDrawStage )
1732     {
1733         case CDDS_PREPAINT:
1734             // if we've got any items with non standard attributes,
1735             // notify us before painting each item
1736             //
1737             // for virtual controls, always suppose that we have attributes as
1738             // there is no way to check for this
1739             return IsVirtual() || m_hasAnyAttr ? CDRF_NOTIFYITEMDRAW
1740                                                : CDRF_DODEFAULT;
1741
1742         case CDDS_ITEMPREPAINT:
1743             {
1744                 size_t item = (size_t)nmcd.dwItemSpec;
1745                 if ( item >= (size_t)GetItemCount() )
1746                 {
1747                     // we get this message with item == 0 for an empty control,
1748                     // we must ignore it as calling OnGetItemAttr() would be
1749                     // wrong
1750                     return CDRF_DODEFAULT;
1751                 }
1752
1753                 wxListItemAttr *attr =
1754                     IsVirtual() ? OnGetItemAttr(item)
1755                                 : (wxListItemAttr *)m_attrs.Get(item);
1756
1757                 if ( !attr )
1758                 {
1759                     // nothing to do for this item
1760                     return CDRF_DODEFAULT;
1761                 }
1762
1763                 HFONT hFont;
1764                 wxColour colText, colBack;
1765                 if ( attr->HasFont() )
1766                 {
1767                     wxFont font = attr->GetFont();
1768                     hFont = (HFONT)font.GetResourceHandle();
1769                 }
1770                 else
1771                 {
1772                     hFont = 0;
1773                 }
1774
1775                 if ( attr->HasTextColour() )
1776                 {
1777                     colText = attr->GetTextColour();
1778                 }
1779                 else
1780                 {
1781                     colText = GetTextColour();
1782                 }
1783
1784                 if ( attr->HasBackgroundColour() )
1785                 {
1786                     colBack = attr->GetBackgroundColour();
1787                 }
1788                 else
1789                 {
1790                     colBack = GetBackgroundColour();
1791                 }
1792
1793                 lplvcd->clrText = wxColourToRGB(colText);
1794                 lplvcd->clrTextBk = wxColourToRGB(colBack);
1795
1796                 // note that if we wanted to set colours for
1797                 // individual columns (subitems), we would have
1798                 // returned CDRF_NOTIFYSUBITEMREDRAW from here
1799                 if ( hFont )
1800                 {
1801                     ::SelectObject(nmcd.hdc, hFont);
1802
1803                     return CDRF_NEWFONT;
1804                 }
1805             }
1806             // fall through to return CDRF_DODEFAULT
1807
1808         default:
1809             return CDRF_DODEFAULT;
1810     }
1811 }
1812
1813 #endif // NM_CUSTOMDRAW supported
1814
1815 // Necessary for drawing hrules and vrules, if specified
1816 void wxListCtrl::OnPaint(wxPaintEvent& event)
1817 {
1818     wxPaintDC dc(this);
1819
1820     wxControl::OnPaint(event);
1821
1822     // Reset the device origin since it may have been set
1823     dc.SetDeviceOrigin(0, 0);
1824
1825     bool drawHRules = ((GetWindowStyle() & wxLC_HRULES) != 0);
1826     bool drawVRules = ((GetWindowStyle() & wxLC_VRULES) != 0);
1827
1828     if (!drawHRules && !drawVRules)
1829         return;
1830     if ((GetWindowStyle() & wxLC_REPORT) == 0)
1831         return;
1832
1833     wxPen pen(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DLIGHT), 1, wxSOLID);
1834     dc.SetPen(pen);
1835     dc.SetBrush(* wxTRANSPARENT_BRUSH);
1836
1837     wxSize clientSize = GetClientSize();
1838     wxRect itemRect;
1839     int cy=0;
1840
1841     int itemCount = GetItemCount();
1842     int i;
1843     for (i = 0; i < itemCount; i++)
1844     {
1845         if (GetItemRect(i, itemRect))
1846         {
1847             cy = itemRect.GetTop();
1848             if (i != 0) // Don't draw the first one
1849             {
1850                 dc.DrawLine(0, cy, clientSize.x, cy);
1851             }
1852             // Draw last line
1853             if (i == (GetItemCount() - 1))
1854             {
1855                 cy = itemRect.GetBottom();
1856                 dc.DrawLine(0, cy, clientSize.x, cy);
1857             }
1858         }
1859     }
1860     i = (GetItemCount() - 1);
1861     if (drawVRules && (i > -1))
1862     {
1863         wxRect firstItemRect;
1864         GetItemRect(0, firstItemRect);
1865
1866         if (GetItemRect(i, itemRect))
1867         {
1868             int col;
1869             int x = itemRect.GetX();
1870             for (col = 0; col < GetColumnCount(); col++)
1871             {
1872                 int colWidth = GetColumnWidth(col);
1873                 x += colWidth ;
1874                 dc.DrawLine(x, firstItemRect.GetY() - 2, x, itemRect.GetBottom());
1875             }
1876         }
1877     }
1878 }
1879
1880 // ----------------------------------------------------------------------------
1881 // virtual list controls
1882 // ----------------------------------------------------------------------------
1883
1884 wxString wxListCtrl::OnGetItemText(long item, long col) const
1885 {
1886     // this is a pure virtual function, in fact - which is not really pure
1887     // because the controls which are not virtual don't need to implement it
1888     wxFAIL_MSG( _T("not supposed to be called") );
1889
1890     return wxEmptyString;
1891 }
1892
1893 int wxListCtrl::OnGetItemImage(long item) const
1894 {
1895     // same as above
1896     wxFAIL_MSG( _T("not supposed to be called") );
1897
1898     return -1;
1899 }
1900
1901 wxListItemAttr *wxListCtrl::OnGetItemAttr(long item) const
1902 {
1903     wxASSERT_MSG( item >= 0 && item < GetItemCount(),
1904                   _T("invalid item index in OnGetItemAttr()") );
1905
1906     // no attributes by default
1907     return NULL;
1908 }
1909
1910 void wxListCtrl::SetItemCount(long count)
1911 {
1912     wxASSERT_MSG( IsVirtual(), _T("this is for virtual controls only") );
1913
1914     if ( !::SendMessage(GetHwnd(), LVM_SETITEMCOUNT, (WPARAM)count, 0) )
1915     {
1916         wxLogLastError(_T("ListView_SetItemCount"));
1917     }
1918 }
1919
1920 void wxListCtrl::RefreshItem(long item)
1921 {
1922     if ( !ListView_Update(GetHwnd(), item) )
1923     {
1924         wxLogLastError(_T("ListView_Update"));
1925     }
1926 }
1927
1928 void wxListCtrl::RefreshItems(long itemFrom, long itemTo)
1929 {
1930     for ( long item = itemFrom; item <= itemTo; item++ )
1931     {
1932         RefreshItem(item);
1933     }
1934 }
1935
1936 // ----------------------------------------------------------------------------
1937 // wxListItem
1938 // ----------------------------------------------------------------------------
1939
1940 // List item structure
1941 wxListItem::wxListItem()
1942 {
1943     m_mask = 0;
1944     m_itemId = 0;
1945     m_col = 0;
1946     m_state = 0;
1947     m_stateMask = 0;
1948     m_image = 0;
1949     m_data = 0;
1950
1951     m_format = wxLIST_FORMAT_CENTRE;
1952     m_width = 0;
1953
1954     m_attr = NULL;
1955 }
1956
1957 void wxListItem::Clear()
1958 {
1959     m_mask = 0;
1960     m_itemId = 0;
1961     m_col = 0;
1962     m_state = 0;
1963     m_stateMask = 0;
1964     m_image = 0;
1965     m_data = 0;
1966     m_format = wxLIST_FORMAT_CENTRE;
1967     m_width = 0;
1968     m_text = wxEmptyString;
1969
1970     if (m_attr) delete m_attr;
1971     m_attr = NULL;
1972 }
1973
1974 void wxListItem::ClearAttributes()
1975 {
1976     if (m_attr) delete m_attr;
1977     m_attr = NULL;
1978 }
1979
1980 static void wxConvertFromMSWListItem(HWND hwndListCtrl,
1981                                      wxListItem& info,
1982                                      LV_ITEM& lvItem)
1983 {
1984     info.m_data = lvItem.lParam;
1985     info.m_mask = 0;
1986     info.m_state = 0;
1987     info.m_stateMask = 0;
1988     info.m_itemId = lvItem.iItem;
1989
1990     long oldMask = lvItem.mask;
1991
1992     bool needText = FALSE;
1993     if (hwndListCtrl != 0)
1994     {
1995         if ( lvItem.mask & LVIF_TEXT )
1996             needText = FALSE;
1997         else
1998             needText = TRUE;
1999
2000         if ( needText )
2001         {
2002             lvItem.pszText = new wxChar[513];
2003             lvItem.cchTextMax = 512;
2004         }
2005         lvItem.mask |= LVIF_TEXT | LVIF_IMAGE | LVIF_PARAM;
2006         ::SendMessage(hwndListCtrl, LVM_GETITEM, 0, (LPARAM)& lvItem);
2007     }
2008
2009     if ( lvItem.mask & LVIF_STATE )
2010     {
2011         info.m_mask |= wxLIST_MASK_STATE;
2012
2013         if ( lvItem.stateMask & LVIS_CUT)
2014         {
2015             info.m_stateMask |= wxLIST_STATE_CUT;
2016             if ( lvItem.state & LVIS_CUT )
2017                 info.m_state |= wxLIST_STATE_CUT;
2018         }
2019         if ( lvItem.stateMask & LVIS_DROPHILITED)
2020         {
2021             info.m_stateMask |= wxLIST_STATE_DROPHILITED;
2022             if ( lvItem.state & LVIS_DROPHILITED )
2023                 info.m_state |= wxLIST_STATE_DROPHILITED;
2024         }
2025         if ( lvItem.stateMask & LVIS_FOCUSED)
2026         {
2027             info.m_stateMask |= wxLIST_STATE_FOCUSED;
2028             if ( lvItem.state & LVIS_FOCUSED )
2029                 info.m_state |= wxLIST_STATE_FOCUSED;
2030         }
2031         if ( lvItem.stateMask & LVIS_SELECTED)
2032         {
2033             info.m_stateMask |= wxLIST_STATE_SELECTED;
2034             if ( lvItem.state & LVIS_SELECTED )
2035                 info.m_state |= wxLIST_STATE_SELECTED;
2036         }
2037     }
2038
2039     if ( lvItem.mask & LVIF_TEXT )
2040     {
2041         info.m_mask |= wxLIST_MASK_TEXT;
2042         info.m_text = lvItem.pszText;
2043     }
2044     if ( lvItem.mask & LVIF_IMAGE )
2045     {
2046         info.m_mask |= wxLIST_MASK_IMAGE;
2047         info.m_image = lvItem.iImage;
2048     }
2049     if ( lvItem.mask & LVIF_PARAM )
2050         info.m_mask |= wxLIST_MASK_DATA;
2051     if ( lvItem.mask & LVIF_DI_SETITEM )
2052         info.m_mask |= wxLIST_SET_ITEM;
2053     info.m_col = lvItem.iSubItem;
2054
2055     if (needText)
2056     {
2057         if (lvItem.pszText)
2058             delete[] lvItem.pszText;
2059     }
2060     lvItem.mask = oldMask;
2061 }
2062
2063 static void wxConvertToMSWFlags(long state, long stateMask, LV_ITEM& lvItem)
2064 {
2065     if (stateMask & wxLIST_STATE_CUT)
2066     {
2067         lvItem.stateMask |= LVIS_CUT;
2068         if (state & wxLIST_STATE_CUT)
2069             lvItem.state |= LVIS_CUT;
2070     }
2071     if (stateMask & wxLIST_STATE_DROPHILITED)
2072     {
2073         lvItem.stateMask |= LVIS_DROPHILITED;
2074         if (state & wxLIST_STATE_DROPHILITED)
2075             lvItem.state |= LVIS_DROPHILITED;
2076     }
2077     if (stateMask & wxLIST_STATE_FOCUSED)
2078     {
2079         lvItem.stateMask |= LVIS_FOCUSED;
2080         if (state & wxLIST_STATE_FOCUSED)
2081             lvItem.state |= LVIS_FOCUSED;
2082     }
2083     if (stateMask & wxLIST_STATE_SELECTED)
2084     {
2085         lvItem.stateMask |= LVIS_SELECTED;
2086         if (state & wxLIST_STATE_SELECTED)
2087             lvItem.state |= LVIS_SELECTED;
2088     }
2089 }
2090
2091 static void wxConvertToMSWListItem(const wxListCtrl *ctrl,
2092                                    const wxListItem& info,
2093                                    LV_ITEM& lvItem)
2094 {
2095     lvItem.iItem = (int) info.m_itemId;
2096
2097     lvItem.iImage = info.m_image;
2098     lvItem.lParam = info.m_data;
2099     lvItem.stateMask = 0;
2100     lvItem.state = 0;
2101     lvItem.mask = 0;
2102     lvItem.iSubItem = info.m_col;
2103
2104     if (info.m_mask & wxLIST_MASK_STATE)
2105     {
2106         lvItem.mask |= LVIF_STATE;
2107
2108         wxConvertToMSWFlags(info.m_state, info.m_stateMask, lvItem);
2109     }
2110
2111     if (info.m_mask & wxLIST_MASK_TEXT)
2112     {
2113         lvItem.mask |= LVIF_TEXT;
2114         if ( ctrl->GetWindowStyleFlag() & wxLC_USER_TEXT )
2115         {
2116             lvItem.pszText = LPSTR_TEXTCALLBACK;
2117         }
2118         else
2119         {
2120             // pszText is not const, hence the cast
2121             lvItem.pszText = (wxChar *)info.m_text.c_str();
2122             if ( lvItem.pszText )
2123                 lvItem.cchTextMax = info.m_text.Length();
2124             else
2125                 lvItem.cchTextMax = 0;
2126         }
2127     }
2128     if (info.m_mask & wxLIST_MASK_IMAGE)
2129         lvItem.mask |= LVIF_IMAGE;
2130     if (info.m_mask & wxLIST_MASK_DATA)
2131         lvItem.mask |= LVIF_PARAM;
2132 }
2133
2134 // ----------------------------------------------------------------------------
2135 // List event
2136 // ----------------------------------------------------------------------------
2137
2138 IMPLEMENT_DYNAMIC_CLASS(wxListEvent, wxNotifyEvent)
2139
2140 wxListEvent::wxListEvent(wxEventType commandType, int id)
2141            : wxNotifyEvent(commandType, id)
2142 {
2143     m_code = 0;
2144     m_itemIndex = 0;
2145     m_oldItemIndex = 0;
2146     m_col = 0;
2147     m_cancelled = FALSE;
2148 }
2149
2150 #endif // wxUSE_LISTCTRL