samples/treectrl/treetest.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        treetest.cpp
   3 // Purpose:     wxTreeCtrl sample
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx/wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifdef __BORLANDC__
  16     #pragma hdrstop
  17 #endif
  18
  19 #ifndef WX_PRECOMP
  20     #include "wx/wx.h"
  21     #include "wx/log.h"
  22 #endif
  23
  24 #include "wx/colordlg.h"
  25 #include "wx/numdlg.h"
  26
  27 #include "wx/artprov.h"
  28 #include "wx/image.h"
  29 #include "wx/imaglist.h"
  30 #include "wx/treectrl.h"
  31 #include "wx/math.h"
  32 #include "wx/renderer.h"
  33
  34 #ifdef __WIN32__
  35     // this is not supported by native control
  36     #define NO_VARIABLE_HEIGHT
  37 #endif
  38
  39 #include "treetest.h"
  40
  41 #include "icon1.xpm"
  42 #include "icon2.xpm"
  43 #include "icon3.xpm"
  44 #include "icon4.xpm"
  45 #include "icon5.xpm"
  46
  47 #include "state1.xpm"
  48 #include "state2.xpm"
  49 #include "state3.xpm"
  50 #include "state4.xpm"
  51 #include "state5.xpm"
  52
  53 #include "unchecked.xpm"
  54 #include "checked.xpm"
  55
  56 #ifndef __WXMSW__
  57     #include "../sample.xpm"
  58 #endif
  59
  60 // verify that the item is ok and insult the user if it is not
  61 #define CHECK_ITEM( item ) if ( !item.IsOk() ) {                                 \
  62                              wxMessageBox(wxT("Please select some item first!"), \
  63                                           wxT("Tree sample error"),              \
  64                                           wxOK | wxICON_EXCLAMATION,             \
  65                                           this);                                 \
  66                              return;                                             \
  67                            }
  68
  69 #define MENU_LINK(name) EVT_MENU(TreeTest_##name, MyFrame::On##name)
  70
  71 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
  72     EVT_IDLE(MyFrame::OnIdle)
  73     EVT_SIZE(MyFrame::OnSize)
  74
  75     MENU_LINK(Quit)
  76     MENU_LINK(About)
  77     MENU_LINK(ClearLog)
  78
  79     MENU_LINK(TogButtons)
  80     MENU_LINK(TogTwist)
  81     MENU_LINK(TogLines)
  82     MENU_LINK(TogEdit)
  83     MENU_LINK(TogHideRoot)
  84     MENU_LINK(TogRootLines)
  85     MENU_LINK(TogBorder)
  86     MENU_LINK(TogFullHighlight)
  87     MENU_LINK(SetFgColour)
  88     MENU_LINK(SetBgColour)
  89     MENU_LINK(ResetStyle)
  90
  91     MENU_LINK(Highlight)
  92     MENU_LINK(Dump)
  93 #ifndef NO_MULTIPLE_SELECTION
  94     MENU_LINK(DumpSelected)
  95     MENU_LINK(Select)
  96     MENU_LINK(Unselect)
  97     MENU_LINK(ToggleSel)
  98 #endif // NO_MULTIPLE_SELECTION
  99     MENU_LINK(Rename)
 100     MENU_LINK(Count)
 101     MENU_LINK(CountRec)
 102     MENU_LINK(Sort)
 103     MENU_LINK(SortRev)
 104     MENU_LINK(SetBold)
 105     MENU_LINK(ClearBold)
 106     MENU_LINK(Delete)
 107     MENU_LINK(DeleteChildren)
 108     MENU_LINK(DeleteAll)
 109     MENU_LINK(Recreate)
 110     MENU_LINK(ToggleImages)
 111     MENU_LINK(ToggleStates)
 112     MENU_LINK(ToggleAlternateImages)
 113     MENU_LINK(ToggleAlternateStates)
 114     MENU_LINK(ToggleButtons)
 115     MENU_LINK(SetImageSize)
 116     MENU_LINK(CollapseAndReset)
 117     MENU_LINK(EnsureVisible)
 118     MENU_LINK(AddItem)
 119     MENU_LINK(InsertItem)
 120     MENU_LINK(IncIndent)
 121     MENU_LINK(DecIndent)
 122     MENU_LINK(IncSpacing)
 123     MENU_LINK(DecSpacing)
 124     MENU_LINK(ToggleIcon)
 125     MENU_LINK(ToggleState)
 126     MENU_LINK(SelectRoot)
 127
 128     MENU_LINK(ShowFirstVisible)
 129 #ifdef wxHAS_LAST_VISIBLE
 130     MENU_LINK(ShowLastVisible)
 131 #endif // wxHAS_LAST_VISIBLE
 132     MENU_LINK(ShowNextVisible)
 133     MENU_LINK(ShowPrevVisible)
 134     MENU_LINK(ShowParent)
 135     MENU_LINK(ShowPrevSibling)
 136     MENU_LINK(ShowNextSibling)
 137 #undef MENU_LINK
 138
 139 END_EVENT_TABLE()
 140
 141 #if USE_GENERIC_TREECTRL
 142 BEGIN_EVENT_TABLE(MyTreeCtrl, wxGenericTreeCtrl)
 143 #else
 144 BEGIN_EVENT_TABLE(MyTreeCtrl, wxTreeCtrl)
 145 #endif
 146     EVT_TREE_BEGIN_DRAG(TreeTest_Ctrl, MyTreeCtrl::OnBeginDrag)
 147     EVT_TREE_BEGIN_RDRAG(TreeTest_Ctrl, MyTreeCtrl::OnBeginRDrag)
 148     EVT_TREE_END_DRAG(TreeTest_Ctrl, MyTreeCtrl::OnEndDrag)
 149     EVT_TREE_BEGIN_LABEL_EDIT(TreeTest_Ctrl, MyTreeCtrl::OnBeginLabelEdit)
 150     EVT_TREE_END_LABEL_EDIT(TreeTest_Ctrl, MyTreeCtrl::OnEndLabelEdit)
 151     EVT_TREE_DELETE_ITEM(TreeTest_Ctrl, MyTreeCtrl::OnDeleteItem)
 152 #if 0       // there are so many of those that logging them causes flicker
 153     EVT_TREE_GET_INFO(TreeTest_Ctrl, MyTreeCtrl::OnGetInfo)
 154 #endif
 155     EVT_TREE_SET_INFO(TreeTest_Ctrl, MyTreeCtrl::OnSetInfo)
 156     EVT_TREE_ITEM_EXPANDED(TreeTest_Ctrl, MyTreeCtrl::OnItemExpanded)
 157     EVT_TREE_ITEM_EXPANDING(TreeTest_Ctrl, MyTreeCtrl::OnItemExpanding)
 158     EVT_TREE_ITEM_COLLAPSED(TreeTest_Ctrl, MyTreeCtrl::OnItemCollapsed)
 159     EVT_TREE_ITEM_COLLAPSING(TreeTest_Ctrl, MyTreeCtrl::OnItemCollapsing)
 160
 161     EVT_TREE_SEL_CHANGED(TreeTest_Ctrl, MyTreeCtrl::OnSelChanged)
 162     EVT_TREE_SEL_CHANGING(TreeTest_Ctrl, MyTreeCtrl::OnSelChanging)
 163     EVT_TREE_KEY_DOWN(TreeTest_Ctrl, MyTreeCtrl::OnTreeKeyDown)
 164     EVT_TREE_ITEM_ACTIVATED(TreeTest_Ctrl, MyTreeCtrl::OnItemActivated)
 165     EVT_TREE_STATE_IMAGE_CLICK(TreeTest_Ctrl, MyTreeCtrl::OnItemStateClick)
 166
 167     // so many different ways to handle right mouse button clicks...
 168     EVT_CONTEXT_MENU(MyTreeCtrl::OnContextMenu)
 169     // EVT_TREE_ITEM_MENU is the preferred event for creating context menus
 170     // on a tree control, because it includes the point of the click or item,
 171     // meaning that no additional placement calculations are required.
 172     EVT_TREE_ITEM_MENU(TreeTest_Ctrl, MyTreeCtrl::OnItemMenu)
 173     EVT_TREE_ITEM_RIGHT_CLICK(TreeTest_Ctrl, MyTreeCtrl::OnItemRClick)
 174
 175     EVT_RIGHT_DOWN(MyTreeCtrl::OnRMouseDown)
 176     EVT_RIGHT_UP(MyTreeCtrl::OnRMouseUp)
 177     EVT_RIGHT_DCLICK(MyTreeCtrl::OnRMouseDClick)
 178 END_EVENT_TABLE()
 179
 180 IMPLEMENT_APP(MyApp)
 181
 182 bool MyApp::OnInit()
 183 {
 184     if ( !wxApp::OnInit() )
 185         return false;
 186
 187     // Create the main frame window
 188     MyFrame *frame = new MyFrame(wxT("wxTreeCtrl Test"), 50, 50, 450, 600);
 189
 190     // Show the frame
 191     frame->Show(true);
 192     SetTopWindow(frame);
 193
 194     return true;
 195 }
 196
 197
 198 // My frame constructor
 199 MyFrame::MyFrame(const wxString& title, int x, int y, int w, int h)
 200        : wxFrame((wxFrame *)NULL, wxID_ANY, title, wxPoint(x, y), wxSize(w, h)),
 201          m_treeCtrl(NULL)
 202 #if wxUSE_LOG
 203          , m_textCtrl(NULL)
 204 #endif // wxUSE_LOG
 205 {
 206     // This reduces flicker effects - even better would be to define
 207     // OnEraseBackground to do nothing. When the tree control's scrollbars are
 208     // show or hidden, the frame is sent a background erase event.
 209     SetBackgroundColour(wxColour(255, 255, 255));
 210
 211     // Give it an icon
 212     SetIcon(wxICON(sample));
 213
 214 #if wxUSE_MENUS
 215     // Make a menubar
 216     wxMenu *file_menu = new wxMenu,
 217            *style_menu = new wxMenu,
 218            *tree_menu = new wxMenu,
 219            *item_menu = new wxMenu;
 220
 221     file_menu->Append(TreeTest_ClearLog, wxT("&Clear log\tCtrl-L"));
 222     file_menu->AppendSeparator();
 223     file_menu->Append(TreeTest_About, wxT("&About..."));
 224     file_menu->AppendSeparator();
 225     file_menu->Append(TreeTest_Quit, wxT("E&xit\tAlt-X"));
 226
 227     style_menu->AppendCheckItem(TreeTest_TogButtons, wxT("Toggle &normal buttons"));
 228     style_menu->AppendCheckItem(TreeTest_TogTwist, wxT("Toggle &twister buttons"));
 229     style_menu->AppendCheckItem(TreeTest_ToggleButtons, wxT("Toggle image &buttons"));
 230     style_menu->AppendSeparator();
 231     style_menu->AppendCheckItem(TreeTest_TogLines, wxT("Toggle &connecting lines"));
 232     style_menu->AppendCheckItem(TreeTest_TogRootLines, wxT("Toggle &lines at root"));
 233     style_menu->AppendCheckItem(TreeTest_TogHideRoot, wxT("Toggle &hidden root"));
 234     style_menu->AppendCheckItem(TreeTest_TogBorder, wxT("Toggle &item border"));
 235     style_menu->AppendCheckItem(TreeTest_TogFullHighlight, wxT("Toggle &full row highlight"));
 236     style_menu->AppendCheckItem(TreeTest_TogEdit, wxT("Toggle &edit mode"));
 237 #ifndef NO_MULTIPLE_SELECTION
 238     style_menu->AppendCheckItem(TreeTest_ToggleSel, wxT("Toggle &selection mode\tCtrl-S"));
 239 #endif // NO_MULTIPLE_SELECTION
 240     style_menu->AppendCheckItem(TreeTest_ToggleImages, wxT("Toggle show ima&ges"));
 241     style_menu->AppendCheckItem(TreeTest_ToggleStates, wxT("Toggle show st&ates"));
 242     style_menu->AppendCheckItem(TreeTest_ToggleAlternateImages, wxT("Toggle alternate images"));
 243     style_menu->AppendCheckItem(TreeTest_ToggleAlternateStates, wxT("Toggle alternate state images"));
 244     style_menu->Append(TreeTest_SetImageSize, wxT("Set image si&ze..."));
 245     style_menu->AppendSeparator();
 246     style_menu->Append(TreeTest_SetFgColour, wxT("Set &foreground colour..."));
 247     style_menu->Append(TreeTest_SetBgColour, wxT("Set &background colour..."));
 248     style_menu->AppendSeparator();
 249     style_menu->Append(TreeTest_ResetStyle, wxT("&Reset to default\tF10"));
 250
 251     tree_menu->Append(TreeTest_Recreate, wxT("&Recreate the tree"));
 252     tree_menu->Append(TreeTest_CollapseAndReset, wxT("C&ollapse and reset"));
 253     tree_menu->AppendSeparator();
 254     tree_menu->Append(TreeTest_AddItem, wxT("Append a &new item"));
 255     tree_menu->Append(TreeTest_InsertItem, wxT("&Insert a new item"));
 256     tree_menu->Append(TreeTest_Delete, wxT("&Delete this item"));
 257     tree_menu->Append(TreeTest_DeleteChildren, wxT("Delete &children"));
 258     tree_menu->Append(TreeTest_DeleteAll, wxT("Delete &all items"));
 259     tree_menu->Append(TreeTest_SelectRoot, wxT("Select root item"));
 260     tree_menu->AppendSeparator();
 261     tree_menu->Append(TreeTest_Count, wxT("Count children of current item"));
 262     tree_menu->Append(TreeTest_CountRec, wxT("Recursively count children of current item"));
 263     tree_menu->AppendSeparator();
 264     tree_menu->Append(TreeTest_Sort, wxT("Sort children of current item"));
 265     tree_menu->Append(TreeTest_SortRev, wxT("Sort in reversed order"));
 266     tree_menu->AppendSeparator();
 267     tree_menu->Append(TreeTest_EnsureVisible, wxT("Make the last item &visible"));
 268     tree_menu->AppendSeparator();
 269     tree_menu->Append(TreeTest_IncIndent, wxT("Add 5 points to indentation\tAlt-I"));
 270     tree_menu->Append(TreeTest_DecIndent, wxT("Reduce indentation by 5 points\tAlt-R"));
 271     tree_menu->AppendSeparator();
 272     tree_menu->Append(TreeTest_IncSpacing, wxT("Add 5 points to spacing\tCtrl-I"));
 273     tree_menu->Append(TreeTest_DecSpacing, wxT("Reduce spacing by 5 points\tCtrl-R"));
 274
 275     item_menu->Append(TreeTest_Dump, wxT("&Dump item children"));
 276     item_menu->Append(TreeTest_Rename, wxT("&Rename item..."));
 277
 278     item_menu->AppendSeparator();
 279     item_menu->Append(TreeTest_SetBold, wxT("Make item &bold"));
 280     item_menu->Append(TreeTest_ClearBold, wxT("Make item &not bold"));
 281     item_menu->AppendSeparator();
 282     item_menu->Append(TreeTest_ToggleIcon, wxT("Toggle the item's &icon"));
 283     item_menu->Append(TreeTest_ToggleState, wxT("Toggle the item's &state"));
 284     item_menu->AppendSeparator();
 285     item_menu->Append(TreeTest_ShowFirstVisible, wxT("Show &first visible"));
 286 #ifdef wxHAS_LAST_VISIBLE
 287     item_menu->Append(TreeTest_ShowLastVisible, wxT("Show &last visible"));
 288 #endif // wxHAS_LAST_VISIBLE
 289     item_menu->Append(TreeTest_ShowNextVisible, wxT("Show &next visible"));
 290     item_menu->Append(TreeTest_ShowPrevVisible, wxT("Show &previous visible"));
 291     item_menu->AppendSeparator();
 292     item_menu->Append(TreeTest_ShowParent, "Show pa&rent");
 293     item_menu->Append(TreeTest_ShowPrevSibling, "Show &previous sibling");
 294     item_menu->Append(TreeTest_ShowNextSibling, "Show &next sibling");
 295
 296 #ifndef NO_MULTIPLE_SELECTION
 297     item_menu->AppendSeparator();
 298     item_menu->Append(TreeTest_DumpSelected, wxT("Dump selected items\tAlt-D"));
 299     item_menu->Append(TreeTest_Select, wxT("Select current item\tAlt-S"));
 300     item_menu->Append(TreeTest_Unselect, wxT("Unselect everything\tAlt-U"));
 301 #endif // NO_MULTIPLE_SELECTION
 302
 303     wxMenuBar *menu_bar = new wxMenuBar;
 304     menu_bar->Append(file_menu, wxT("&File"));
 305     menu_bar->Append(style_menu, wxT("&Style"));
 306     menu_bar->Append(tree_menu, wxT("&Tree"));
 307     menu_bar->Append(item_menu, wxT("&Item"));
 308     SetMenuBar(menu_bar);
 309 #endif // wxUSE_MENUS
 310
 311     m_panel = new wxPanel(this);
 312
 313 #if wxUSE_LOG
 314     // create the controls
 315     m_textCtrl = new wxTextCtrl(m_panel, wxID_ANY, wxT(""),
 316                                 wxDefaultPosition, wxDefaultSize,
 317                                 wxTE_MULTILINE | wxSUNKEN_BORDER);
 318 #endif // wxUSE_LOG
 319
 320     CreateTreeWithDefStyle();
 321
 322     menu_bar->Check(TreeTest_ToggleImages, true);
 323     menu_bar->Check(TreeTest_ToggleStates, true);
 324     menu_bar->Check(TreeTest_ToggleAlternateImages, false);
 325     menu_bar->Check(TreeTest_ToggleAlternateStates, false);
 326
 327 #if wxUSE_STATUSBAR
 328     // create a status bar
 329     CreateStatusBar(2);
 330 #endif // wxUSE_STATUSBAR
 331
 332 #if wxUSE_LOG
 333 #ifdef __WXMOTIF__
 334     // For some reason, we get a memcpy crash in wxLogStream::DoLogStream
 335     // on gcc/wxMotif, if we use wxLogTextCtl. Maybe it's just gcc?
 336     delete wxLog::SetActiveTarget(new wxLogStderr);
 337 #else
 338     // set our text control as the log target
 339     wxLogTextCtrl *logWindow = new wxLogTextCtrl(m_textCtrl);
 340     delete wxLog::SetActiveTarget(logWindow);
 341 #endif
 342 #endif // wxUSE_LOG
 343 }
 344
 345 MyFrame::~MyFrame()
 346 {
 347 #if wxUSE_LOG
 348     delete wxLog::SetActiveTarget(NULL);
 349 #endif // wxUSE_LOG
 350 }
 351
 352 void MyFrame::CreateTreeWithDefStyle()
 353 {
 354     long style = wxTR_DEFAULT_STYLE |
 355 #ifndef NO_VARIABLE_HEIGHT
 356                  wxTR_HAS_VARIABLE_ROW_HEIGHT |
 357 #endif
 358                  wxTR_EDIT_LABELS;
 359
 360     CreateTree(style | wxSUNKEN_BORDER);
 361
 362     // as we don't know what wxTR_DEFAULT_STYLE could contain, test for
 363     // everything
 364     wxMenuBar *mbar = GetMenuBar();
 365     mbar->Check(TreeTest_TogButtons, (style & wxTR_HAS_BUTTONS) != 0);
 366     mbar->Check(TreeTest_TogButtons, (style & wxTR_TWIST_BUTTONS) != 0);
 367     mbar->Check(TreeTest_TogLines, (style & wxTR_NO_LINES) == 0);
 368     mbar->Check(TreeTest_TogRootLines, (style & wxTR_LINES_AT_ROOT) != 0);
 369     mbar->Check(TreeTest_TogHideRoot, (style & wxTR_HIDE_ROOT) != 0);
 370     mbar->Check(TreeTest_TogEdit, (style & wxTR_EDIT_LABELS) != 0);
 371     mbar->Check(TreeTest_TogBorder, (style & wxTR_ROW_LINES) != 0);
 372     mbar->Check(TreeTest_TogFullHighlight, (style & wxTR_FULL_ROW_HIGHLIGHT) != 0);
 373 }
 374
 375 void MyFrame::CreateTree(long style)
 376 {
 377     m_treeCtrl = new MyTreeCtrl(m_panel, TreeTest_Ctrl,
 378                                 wxDefaultPosition, wxDefaultSize,
 379                                 style);
 380
 381     GetMenuBar()->Enable(TreeTest_SelectRoot, !(style & wxTR_HIDE_ROOT));
 382
 383     Resize();
 384 }
 385
 386 void MyFrame::TogStyle(int id, long flag)
 387 {
 388     long style = m_treeCtrl->GetWindowStyle() ^ flag;
 389
 390     // most treectrl styles can't be changed on the fly using the native
 391     // control and the tree must be recreated
 392 #ifndef __WXMSW__
 393     m_treeCtrl->SetWindowStyle(style);
 394 #else // MSW
 395     delete m_treeCtrl;
 396     CreateTree(style);
 397 #endif // !MSW/MSW
 398
 399     GetMenuBar()->Check(id, (style & flag) != 0);
 400 }
 401
 402 void MyFrame::OnIdle(wxIdleEvent& event)
 403 {
 404 #if wxUSE_STATUSBAR
 405     if ( m_treeCtrl )
 406     {
 407         wxTreeItemId idRoot = m_treeCtrl->GetRootItem();
 408         wxString status;
 409         if (idRoot.IsOk())
 410         {
 411             wxTreeItemId idLast = m_treeCtrl->GetLastChild(idRoot);
 412             status = wxString::Format(
 413                 _T("Root/last item is %svisible/%svisible"),
 414                 m_treeCtrl->IsVisible(idRoot) ? _T("") : _T("not "),
 415                 idLast.IsOk() && m_treeCtrl->IsVisible(idLast)
 416                     ? _T("") : _T("not "));
 417         }
 418         else
 419             status = _T("No root item");
 420
 421         SetStatusText(status, 1);
 422     }
 423 #endif // wxUSE_STATUSBAR
 424
 425     event.Skip();
 426 }
 427
 428 void MyFrame::OnSize(wxSizeEvent& event)
 429 {
 430     if ( m_treeCtrl
 431 #if wxUSE_LOG
 432                     && m_textCtrl
 433 #endif // wxUSE_LOG
 434                                   )
 435     {
 436         Resize();
 437     }
 438
 439     event.Skip();
 440 }
 441
 442 void MyFrame::Resize()
 443 {
 444     wxSize size = GetClientSize();
 445     m_treeCtrl->SetSize(0, 0, size.x, size.y
 446 #if wxUSE_LOG
 447                                             *2/3);
 448     m_textCtrl->SetSize(0, 2*size.y/3, size.x, size.y/3
 449 #endif
 450     );
 451 }
 452
 453 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 454 {
 455     Close(true);
 456 }
 457
 458 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 459 {
 460     wxMessageBox(wxT("Tree test sample\n")
 461                  wxT("(c) Julian Smart 1997, Vadim Zeitlin 1998"),
 462                  wxT("About tree test"),
 463                  wxOK | wxICON_INFORMATION, this);
 464 }
 465
 466 void MyFrame::OnClearLog(wxCommandEvent& WXUNUSED(event))
 467 {
 468     m_textCtrl->Clear();
 469 }
 470
 471 void MyFrame::OnRename(wxCommandEvent& WXUNUSED(event))
 472 {
 473     wxTreeItemId item = m_treeCtrl->GetSelection();
 474
 475     CHECK_ITEM( item );
 476
 477     // old code - now we edit in place
 478 #if 0
 479     static wxString s_text;
 480     s_text = wxGetTextFromUser(wxT("New name: "), wxT("Tree sample question"),
 481             s_text, this);
 482     if ( !s_text.empty() )
 483     {
 484         m_treeCtrl->SetItemText(item, s_text);
 485     }
 486 #endif // 0
 487
 488     // TODO demonstrate creating a custom edit control...
 489     (void)m_treeCtrl->EditLabel(item);
 490 }
 491
 492 void MyFrame::OnCount(wxCommandEvent& WXUNUSED(event))
 493 {
 494     wxTreeItemId item = m_treeCtrl->GetSelection();
 495
 496     CHECK_ITEM( item );
 497
 498     int i = m_treeCtrl->GetChildrenCount( item, false );
 499
 500     wxLogMessage(wxT("%d children"), i);
 501 }
 502
 503 void MyFrame::OnCountRec(wxCommandEvent& WXUNUSED(event))
 504 {
 505     wxTreeItemId item = m_treeCtrl->GetSelection();
 506
 507     CHECK_ITEM( item );
 508
 509     int i = m_treeCtrl->GetChildrenCount( item );
 510
 511     wxLogMessage(wxT("%d children"), i);
 512 }
 513
 514 void MyFrame::DoSort(bool reverse)
 515 {
 516     wxTreeItemId item = m_treeCtrl->GetSelection();
 517
 518     CHECK_ITEM( item );
 519
 520     m_treeCtrl->DoSortChildren(item, reverse);
 521 }
 522
 523 void MyFrame::OnHighlight(wxCommandEvent& WXUNUSED(event))
 524 {
 525     wxTreeItemId id = m_treeCtrl->GetSelection();
 526
 527     CHECK_ITEM( id );
 528
 529     wxRect r;
 530     if ( !m_treeCtrl->GetBoundingRect(id, r, true /* text, not full row */) )
 531     {
 532         wxLogMessage(_T("Failed to get bounding item rect"));
 533         return;
 534     }
 535
 536     wxClientDC dc(m_treeCtrl);
 537     dc.SetBrush(*wxRED);
 538     dc.SetPen(*wxTRANSPARENT_PEN);
 539     dc.DrawRectangle(r);
 540     m_treeCtrl->Update();
 541 }
 542
 543 void MyFrame::OnDump(wxCommandEvent& WXUNUSED(event))
 544 {
 545     wxTreeItemId root = m_treeCtrl->GetSelection();
 546
 547     CHECK_ITEM( root );
 548
 549     m_treeCtrl->GetItemsRecursively(root);
 550 }
 551
 552 #ifndef NO_MULTIPLE_SELECTION
 553
 554 void MyFrame::OnToggleSel(wxCommandEvent& event)
 555 {
 556     TogStyle(event.GetId(), wxTR_MULTIPLE);
 557 }
 558
 559 void MyFrame::OnDumpSelected(wxCommandEvent& WXUNUSED(event))
 560 {
 561     wxArrayTreeItemIds array;
 562
 563     size_t count = m_treeCtrl->GetSelections(array);
 564     wxLogMessage(wxT("%u items selected"), unsigned(count));
 565
 566     for ( size_t n = 0; n < count; n++ )
 567     {
 568         wxLogMessage(wxT("\t%s"), m_treeCtrl->GetItemText(array.Item(n)).c_str());
 569     }
 570 }
 571
 572 void MyFrame::OnSelect(wxCommandEvent& WXUNUSED(event))
 573 {
 574     m_treeCtrl->SelectItem(m_treeCtrl->GetSelection());
 575 }
 576
 577 void MyFrame::OnSelectRoot(wxCommandEvent& WXUNUSED(event))
 578 {
 579     if ( !m_treeCtrl->HasFlag(wxTR_HIDE_ROOT) )
 580         m_treeCtrl->SelectItem(m_treeCtrl->GetRootItem());
 581 }
 582
 583 void MyFrame::OnUnselect(wxCommandEvent& WXUNUSED(event))
 584 {
 585     m_treeCtrl->UnselectAll();
 586 }
 587
 588 #endif // NO_MULTIPLE_SELECTION
 589
 590 void MyFrame::DoSetBold(bool bold)
 591 {
 592     wxTreeItemId item = m_treeCtrl->GetSelection();
 593
 594     CHECK_ITEM( item );
 595
 596     m_treeCtrl->SetItemBold(item, bold);
 597 }
 598
 599 void MyFrame::OnDelete(wxCommandEvent& WXUNUSED(event))
 600 {
 601     wxTreeItemId item = m_treeCtrl->GetSelection();
 602
 603     CHECK_ITEM( item );
 604
 605     m_treeCtrl->Delete(item);
 606 }
 607
 608 void MyFrame::OnDeleteChildren(wxCommandEvent& WXUNUSED(event))
 609 {
 610     wxTreeItemId item = m_treeCtrl->GetSelection();
 611
 612     CHECK_ITEM( item );
 613
 614     m_treeCtrl->DeleteChildren(item);
 615 }
 616
 617 void MyFrame::OnDeleteAll(wxCommandEvent& WXUNUSED(event))
 618 {
 619     m_treeCtrl->DeleteAllItems();
 620 }
 621
 622 void MyFrame::OnRecreate(wxCommandEvent& event)
 623 {
 624     OnDeleteAll(event);
 625     m_treeCtrl->AddTestItemsToTree(5, 2);
 626 }
 627
 628 void MyFrame::OnSetImageSize(wxCommandEvent& WXUNUSED(event))
 629 {
 630     int size = wxGetNumberFromUser(wxT("Enter the size for the images to use"),
 631                                     wxT("Size: "),
 632                                     wxT("TreeCtrl sample"),
 633                                     m_treeCtrl->ImageSize());
 634     if ( size == -1 )
 635         return;
 636
 637     m_treeCtrl->CreateImageList(size);
 638     wxGetApp().SetShowImages(true);
 639 }
 640
 641 void MyFrame::OnToggleImages(wxCommandEvent& WXUNUSED(event))
 642 {
 643     if ( wxGetApp().ShowImages() )
 644     {
 645         m_treeCtrl->CreateImageList(-1);
 646         wxGetApp().SetShowImages(false);
 647     }
 648     else
 649     {
 650         m_treeCtrl->CreateImageList(0);
 651         wxGetApp().SetShowImages(true);
 652     }
 653 }
 654
 655 void MyFrame::OnToggleStates(wxCommandEvent& WXUNUSED(event))
 656 {
 657     if ( wxGetApp().ShowStates() )
 658     {
 659         m_treeCtrl->CreateStateImageList(true);
 660         wxGetApp().SetShowStates(false);
 661     }
 662     else
 663     {
 664         m_treeCtrl->CreateStateImageList(false);
 665         wxGetApp().SetShowStates(true);
 666     }
 667 }
 668
 669 void MyFrame::OnToggleAlternateImages(wxCommandEvent& WXUNUSED(event))
 670 {
 671     bool alternateImages = m_treeCtrl->AlternateImages();
 672
 673     m_treeCtrl->SetAlternateImages(!alternateImages);
 674     m_treeCtrl->CreateImageList(0);
 675 }
 676
 677 void MyFrame::OnToggleAlternateStates(wxCommandEvent& WXUNUSED(event))
 678 {
 679     bool alternateStates = m_treeCtrl->AlternateStates();
 680
 681     m_treeCtrl->SetAlternateStates(!alternateStates);
 682     m_treeCtrl->CreateStateImageList();
 683
 684     // normal states < alternate states
 685     // so we must reset broken states
 686     if ( alternateStates )
 687         m_treeCtrl->ResetBrokenStateImages();
 688 }
 689
 690 void MyFrame::OnToggleButtons(wxCommandEvent& WXUNUSED(event))
 691 {
 692 #if USE_GENERIC_TREECTRL || !defined(__WXMSW__)
 693     if ( wxGetApp().ShowButtons() )
 694     {
 695         m_treeCtrl->CreateButtonsImageList(-1);
 696         wxGetApp().SetShowButtons(false);
 697     }
 698     else
 699     {
 700         m_treeCtrl->CreateButtonsImageList(15);
 701         wxGetApp().SetShowButtons(true);
 702     }
 703 #endif
 704 }
 705
 706 void MyFrame::OnCollapseAndReset(wxCommandEvent& WXUNUSED(event))
 707 {
 708     m_treeCtrl->CollapseAndReset(m_treeCtrl->GetRootItem());
 709 }
 710
 711 void MyFrame::OnEnsureVisible(wxCommandEvent& WXUNUSED(event))
 712 {
 713     m_treeCtrl->DoEnsureVisible();
 714 }
 715
 716 void MyFrame::OnInsertItem(wxCommandEvent& WXUNUSED(event))
 717 {
 718     int image = wxGetApp().ShowImages() ? MyTreeCtrl::TreeCtrlIcon_File : -1;
 719     m_treeCtrl->InsertItem(m_treeCtrl->GetRootItem(), image, wxT("2nd item"));
 720 }
 721
 722 void MyFrame::OnAddItem(wxCommandEvent& WXUNUSED(event))
 723 {
 724     static int s_num = 0;
 725
 726     wxString text;
 727     text.Printf(wxT("Item #%d"), ++s_num);
 728
 729     m_treeCtrl->AppendItem(m_treeCtrl->GetRootItem(),
 730                            text /*,
 731                            MyTreeCtrl::TreeCtrlIcon_File */ );
 732 }
 733
 734 void MyFrame::OnIncIndent(wxCommandEvent& WXUNUSED(event))
 735 {
 736     unsigned int indent = m_treeCtrl->GetIndent();
 737     if (indent < 100)
 738         m_treeCtrl->SetIndent( indent+5 );
 739 }
 740
 741 void MyFrame::OnDecIndent(wxCommandEvent& WXUNUSED(event))
 742 {
 743     unsigned int indent = m_treeCtrl->GetIndent();
 744     if (indent > 10)
 745         m_treeCtrl->SetIndent( indent-5 );
 746 }
 747
 748 void MyFrame::OnIncSpacing(wxCommandEvent& WXUNUSED(event))
 749 {
 750     unsigned int indent = m_treeCtrl->GetSpacing();
 751     if (indent < 100)
 752         m_treeCtrl->SetSpacing( indent+5 );
 753 }
 754
 755 void MyFrame::OnDecSpacing(wxCommandEvent& WXUNUSED(event))
 756 {
 757     unsigned int indent = m_treeCtrl->GetSpacing();
 758     if (indent > 10)
 759         m_treeCtrl->SetSpacing( indent-5 );
 760 }
 761
 762 void MyFrame::OnToggleIcon(wxCommandEvent& WXUNUSED(event))
 763 {
 764     wxTreeItemId item = m_treeCtrl->GetSelection();
 765
 766     CHECK_ITEM( item );
 767
 768     m_treeCtrl->DoToggleIcon(item);
 769 }
 770
 771 void MyFrame::OnToggleState(wxCommandEvent& WXUNUSED(event))
 772 {
 773     wxTreeItemId item = m_treeCtrl->GetSelection();
 774
 775     CHECK_ITEM( item );
 776
 777     m_treeCtrl->DoToggleState(item);
 778 }
 779
 780 void MyFrame::DoShowFirstOrLast(TreeFunc0_t pfn, const wxString& label)
 781 {
 782     const wxTreeItemId item = (m_treeCtrl->*pfn)();
 783
 784     if ( !item.IsOk() )
 785         wxLogMessage("There is no %s item", label);
 786     else
 787         wxLogMessage("The %s item is \"%s\"",
 788                      label, m_treeCtrl->GetItemText(item));
 789 }
 790
 791 void MyFrame::DoShowRelativeItem(TreeFunc1_t pfn, const wxString& label)
 792 {
 793     wxTreeItemId item = m_treeCtrl->GetSelection();
 794
 795     CHECK_ITEM( item );
 796
 797     if ((pfn == (TreeFunc1_t) &wxTreeCtrl::GetPrevVisible
 798          || pfn == (TreeFunc1_t) &wxTreeCtrl::GetNextVisible)
 799         && !m_treeCtrl->IsVisible(item))
 800     {
 801         wxLogMessage("The selected item must be visible.");
 802         return;
 803     }
 804
 805     wxTreeItemId new_item = (m_treeCtrl->*pfn)(item);
 806
 807     if ( !new_item.IsOk() )
 808         wxLogMessage("There is no %s item", label);
 809     else
 810         wxLogMessage("The %s item is \"%s\"",
 811                      label, m_treeCtrl->GetItemText(new_item));
 812 }
 813
 814 void MyFrame::OnSetFgColour(wxCommandEvent& WXUNUSED(event))
 815 {
 816     wxColour col = wxGetColourFromUser(this, m_treeCtrl->GetForegroundColour());
 817     if ( col.Ok() )
 818         m_treeCtrl->SetForegroundColour(col);
 819 }
 820
 821 void MyFrame::OnSetBgColour(wxCommandEvent& WXUNUSED(event))
 822 {
 823     wxColour col = wxGetColourFromUser(this, m_treeCtrl->GetBackgroundColour());
 824     if ( col.Ok() )
 825         m_treeCtrl->SetBackgroundColour(col);
 826 }
 827
 828 // MyTreeCtrl implementation
 829 #if USE_GENERIC_TREECTRL
 830 IMPLEMENT_DYNAMIC_CLASS(MyTreeCtrl, wxGenericTreeCtrl)
 831 #else
 832 IMPLEMENT_DYNAMIC_CLASS(MyTreeCtrl, wxTreeCtrl)
 833 #endif
 834
 835 MyTreeCtrl::MyTreeCtrl(wxWindow *parent, const wxWindowID id,
 836                        const wxPoint& pos, const wxSize& size,
 837                        long style)
 838           : wxTreeCtrl(parent, id, pos, size, style),
 839             m_alternateImages(false),
 840             m_alternateStates(false)
 841 {
 842     m_reverseSort = false;
 843
 844     CreateImageList();
 845     CreateStateImageList();
 846
 847     // Add some items to the tree
 848     AddTestItemsToTree(5, 2);
 849 }
 850
 851 void MyTreeCtrl::CreateImageList(int size)
 852 {
 853     if ( size == -1 )
 854     {
 855         SetImageList(NULL);
 856         return;
 857     }
 858     if ( size == 0 )
 859         size = m_imageSize;
 860     else
 861         m_imageSize = size;
 862
 863     // Make an image list containing small icons
 864     wxImageList *images = new wxImageList(size, size, true);
 865
 866     // should correspond to TreeCtrlIcon_xxx enum
 867     wxBusyCursor wait;
 868     wxIcon icons[5];
 869
 870     if (m_alternateImages)
 871     {
 872         icons[TreeCtrlIcon_File] = wxIcon(icon1_xpm);
 873         icons[TreeCtrlIcon_FileSelected] = wxIcon(icon2_xpm);
 874         icons[TreeCtrlIcon_Folder] = wxIcon(icon3_xpm);
 875         icons[TreeCtrlIcon_FolderSelected] = wxIcon(icon4_xpm);
 876         icons[TreeCtrlIcon_FolderOpened] = wxIcon(icon5_xpm);
 877     }
 878     else
 879     {
 880         wxSize iconSize(size, size);
 881
 882         icons[TreeCtrlIcon_File] =
 883         icons[TreeCtrlIcon_FileSelected] = wxArtProvider::GetIcon(wxART_NORMAL_FILE, wxART_LIST, iconSize);
 884         icons[TreeCtrlIcon_Folder] =
 885         icons[TreeCtrlIcon_FolderSelected] =
 886         icons[TreeCtrlIcon_FolderOpened] = wxArtProvider::GetIcon(wxART_FOLDER, wxART_LIST, iconSize);
 887     }
 888
 889     for ( size_t i = 0; i < WXSIZEOF(icons); i++ )
 890     {
 891         int sizeOrig = icons[0].GetWidth();
 892         if ( size == sizeOrig )
 893         {
 894             images->Add(icons[i]);
 895         }
 896         else
 897         {
 898             images->Add(wxBitmap(wxBitmap(icons[i]).ConvertToImage().Rescale(size, size)));
 899         }
 900     }
 901
 902     AssignImageList(images);
 903 }
 904
 905 void MyTreeCtrl::CreateStateImageList(bool del)
 906 {
 907     if ( del )
 908     {
 909         SetStateImageList(NULL);
 910         return;
 911     }
 912
 913     wxImageList *states;
 914     wxBusyCursor wait;
 915
 916     if (m_alternateStates)
 917     {
 918         wxIcon icons[5];
 919         icons[0] = wxIcon(state1_xpm);  // yellow
 920         icons[1] = wxIcon(state2_xpm);  // green
 921         icons[2] = wxIcon(state3_xpm);  // red
 922         icons[3] = wxIcon(state4_xpm);  // blue
 923         icons[4] = wxIcon(state5_xpm);  // black
 924
 925         int width  = icons[0].GetWidth(),
 926             height = icons[0].GetHeight();
 927
 928         // Make an state image list containing small icons
 929         states = new wxImageList(width, height, true);
 930
 931         for ( size_t i = 0; i < WXSIZEOF(icons); i++ )
 932             states->Add(icons[i]);
 933     }
 934     else
 935     {
 936         wxIcon icons[2];
 937         icons[0] = wxIcon(unchecked_xpm);
 938         icons[1] = wxIcon(checked_xpm);
 939
 940         int width  = icons[0].GetWidth(),
 941             height = icons[0].GetHeight();
 942
 943         // Make an state image list containing small icons
 944         states = new wxImageList(width, height, true);
 945
 946         for ( size_t i = 0; i < WXSIZEOF(icons); i++ )
 947             states->Add(icons[i]);
 948     }
 949
 950     AssignStateImageList(states);
 951 }
 952
 953 #if USE_GENERIC_TREECTRL || !defined(__WXMSW__)
 954 void MyTreeCtrl::CreateButtonsImageList(int size)
 955 {
 956     if ( size == -1 )
 957     {
 958         SetButtonsImageList(NULL);
 959         return;
 960     }
 961
 962     // Make an image list containing small icons
 963     wxImageList *images = new wxImageList(size, size, true);
 964
 965     // should correspond to TreeCtrlIcon_xxx enum
 966     wxBusyCursor wait;
 967     wxIcon icons[4];
 968
 969     if (m_alternateImages)
 970     {
 971         icons[0] = wxIcon(icon3_xpm);   // closed
 972         icons[1] = wxIcon(icon3_xpm);   // closed, selected
 973         icons[2] = wxIcon(icon5_xpm);   // open
 974         icons[3] = wxIcon(icon5_xpm);   // open, selected
 975     }
 976     else
 977     {
 978         wxSize iconSize(size, size);
 979
 980         icons[0] =                                                                 // closed
 981         icons[1] = wxArtProvider::GetIcon(wxART_FOLDER, wxART_LIST, iconSize);     // closed, selected
 982         icons[2] =                                                                 // open
 983         icons[3] = wxArtProvider::GetIcon(wxART_FOLDER_OPEN, wxART_LIST, iconSize);// open, selected
 984     }
 985
 986    for ( size_t i = 0; i < WXSIZEOF(icons); i++ )
 987     {
 988         int sizeOrig = icons[i].GetWidth();
 989         if ( size == sizeOrig )
 990         {
 991             images->Add(icons[i]);
 992         }
 993         else
 994         {
 995             images->Add(wxBitmap(wxBitmap(icons[i]).ConvertToImage().Rescale(size, size)));
 996         }
 997     }
 998
 999     AssignButtonsImageList(images);
1000 #else
1001 void MyTreeCtrl::CreateButtonsImageList(int WXUNUSED(size))
1002 {
1003 #endif
1004 }
1005
1006 int MyTreeCtrl::OnCompareItems(const wxTreeItemId& item1,
1007                                const wxTreeItemId& item2)
1008 {
1009     if ( m_reverseSort )
1010     {
1011         // just exchange 1st and 2nd items
1012         return wxTreeCtrl::OnCompareItems(item2, item1);
1013     }
1014     else
1015     {
1016         return wxTreeCtrl::OnCompareItems(item1, item2);
1017     }
1018 }
1019
1020 void MyTreeCtrl::AddItemsRecursively(const wxTreeItemId& idParent,
1021                                      size_t numChildren,
1022                                      size_t depth,
1023                                      size_t folder)
1024 {
1025     if ( depth > 0 )
1026     {
1027         bool hasChildren = depth > 1;
1028
1029         wxString str;
1030         for ( size_t n = 0; n < numChildren; n++ )
1031         {
1032             // at depth 1 elements won't have any more children
1033             if ( hasChildren )
1034                 str.Printf(wxT("%s child %u"), wxT("Folder"), unsigned(n + 1));
1035             else
1036                 str.Printf(wxT("%s child %u.%u"), wxT("File"), unsigned(folder), unsigned(n + 1));
1037
1038             // here we pass to AppendItem() normal and selected item images (we
1039             // suppose that selected image follows the normal one in the enum)
1040             int image, imageSel;
1041             if ( wxGetApp().ShowImages() )
1042             {
1043                 image = depth == 1 ? TreeCtrlIcon_File : TreeCtrlIcon_Folder;
1044                 imageSel = image + 1;
1045             }
1046             else
1047             {
1048                 image = imageSel = -1;
1049             }
1050             wxTreeItemId id = AppendItem(idParent, str, image, imageSel,
1051                                          new MyTreeItemData(str));
1052
1053             if ( wxGetApp().ShowStates() )
1054                 SetItemState(id, 0);
1055
1056             // and now we also set the expanded one (only for the folders)
1057             if ( hasChildren && wxGetApp().ShowImages() )
1058             {
1059                 SetItemImage(id, TreeCtrlIcon_FolderOpened,
1060                              wxTreeItemIcon_Expanded);
1061             }
1062
1063             // remember the last child for OnEnsureVisible()
1064             if ( !hasChildren && n == numChildren - 1 )
1065             {
1066                 m_lastItem = id;
1067             }
1068
1069             AddItemsRecursively(id, numChildren, depth - 1, n + 1);
1070         }
1071     }
1072     //else: done!
1073 }
1074
1075 void MyTreeCtrl::AddTestItemsToTree(size_t numChildren,
1076                                     size_t depth)
1077 {
1078     int image = wxGetApp().ShowImages() ? MyTreeCtrl::TreeCtrlIcon_Folder : -1;
1079     wxTreeItemId rootId = AddRoot(wxT("Root"),
1080                                   image, image,
1081                                   new MyTreeItemData(wxT("Root item")));
1082     if ( !HasFlag(wxTR_HIDE_ROOT) && image != -1 )
1083     {
1084         SetItemImage(rootId, TreeCtrlIcon_FolderOpened, wxTreeItemIcon_Expanded);
1085     }
1086
1087     AddItemsRecursively(rootId, numChildren, depth, 0);
1088
1089     // set some colours/fonts for testing
1090     if ( !HasFlag(wxTR_HIDE_ROOT) )
1091         SetItemFont(rootId, *wxITALIC_FONT);
1092
1093     wxTreeItemIdValue cookie;
1094     wxTreeItemId id = GetFirstChild(rootId, cookie);
1095     SetItemTextColour(id, *wxBLUE);
1096
1097     id = GetNextChild(rootId, cookie);
1098     id = GetNextChild(rootId, cookie);
1099     SetItemTextColour(id, *wxRED);
1100     SetItemBackgroundColour(id, *wxLIGHT_GREY);
1101 }
1102
1103 void MyTreeCtrl::GetItemsRecursively(const wxTreeItemId& idParent,
1104                                      wxTreeItemIdValue cookie)
1105 {
1106     wxTreeItemId id;
1107
1108     if ( !cookie )
1109         id = GetFirstChild(idParent, cookie);
1110     else
1111         id = GetNextChild(idParent, cookie);
1112
1113     if ( !id.IsOk() )
1114         return;
1115
1116     wxString text = GetItemText(id);
1117     wxLogMessage(text);
1118
1119     if (ItemHasChildren(id))
1120         GetItemsRecursively(id);
1121
1122     GetItemsRecursively(idParent, cookie);
1123 }
1124
1125 void MyTreeCtrl::DoToggleIcon(const wxTreeItemId& item)
1126 {
1127     int image = GetItemImage(item) == TreeCtrlIcon_Folder
1128                     ? TreeCtrlIcon_File
1129                     : TreeCtrlIcon_Folder;
1130     SetItemImage(item, image, wxTreeItemIcon_Normal);
1131
1132     image = GetItemImage(item, wxTreeItemIcon_Selected) == TreeCtrlIcon_FolderSelected
1133                     ? TreeCtrlIcon_FileSelected
1134                     : TreeCtrlIcon_FolderSelected;
1135     SetItemImage(item, image, wxTreeItemIcon_Selected);
1136 }
1137
1138 void MyTreeCtrl::DoToggleState(const wxTreeItemId& item)
1139 {
1140     if ( m_alternateStates )
1141     {
1142         // sets random state unlike current
1143         int state = GetItemState(item);
1144         int nState;
1145
1146         srand (time(NULL));
1147         do {
1148             nState = rand() % GetStateImageList()->GetImageCount();
1149         } while (nState == state);
1150
1151         SetItemState(item, nState);
1152     }
1153     else
1154     {
1155         // we have only 2 checkbox states, so next state will be reversed
1156         SetItemState(item, wxTREE_ITEMSTATE_NEXT);
1157     }
1158 }
1159
1160 void MyTreeCtrl::DoResetBrokenStateImages(const wxTreeItemId& idParent,
1161                                           wxTreeItemIdValue cookie, int state)
1162 {
1163     wxTreeItemId id;
1164
1165     if ( !cookie )
1166         id = GetFirstChild(idParent, cookie);
1167     else
1168         id = GetNextChild(idParent, cookie);
1169
1170     if ( !id.IsOk() )
1171         return;
1172
1173     int curState = GetItemState(id);
1174     if ( curState != wxTREE_ITEMSTATE_NONE && curState > state )
1175         SetItemState(id, state);
1176
1177     if (ItemHasChildren(id))
1178         DoResetBrokenStateImages(id, 0, state);
1179
1180     DoResetBrokenStateImages(idParent, cookie, state);
1181 }
1182
1183 void MyTreeCtrl::LogEvent(const wxChar *name, const wxTreeEvent& event)
1184 {
1185     wxTreeItemId item = event.GetItem();
1186     wxString text;
1187     if ( item.IsOk() )
1188         text << _T('"') << GetItemText(item).c_str() << _T('"');
1189     else
1190         text = _T("invalid item");
1191     wxLogMessage(wxT("%s(%s)"), name, text.c_str());
1192 }
1193
1194 // avoid repetition
1195 #define TREE_EVENT_HANDLER(name)                                 \
1196 void MyTreeCtrl::name(wxTreeEvent& event)                        \
1197 {                                                                \
1198     LogEvent(_T(#name), event);                                  \
1199     SetLastItem(wxTreeItemId());                                 \
1200     event.Skip();                                                \
1201 }
1202
1203 TREE_EVENT_HANDLER(OnBeginRDrag)
1204 TREE_EVENT_HANDLER(OnDeleteItem)
1205 TREE_EVENT_HANDLER(OnGetInfo)
1206 TREE_EVENT_HANDLER(OnSetInfo)
1207 TREE_EVENT_HANDLER(OnItemExpanded)
1208 TREE_EVENT_HANDLER(OnItemExpanding)
1209 TREE_EVENT_HANDLER(OnItemCollapsed)
1210 TREE_EVENT_HANDLER(OnSelChanged)
1211 TREE_EVENT_HANDLER(OnSelChanging)
1212
1213 #undef TREE_EVENT_HANDLER
1214
1215 void LogKeyEvent(const wxChar *name, const wxKeyEvent& event)
1216 {
1217     wxString key;
1218     long keycode = event.GetKeyCode();
1219     {
1220         switch ( keycode )
1221         {
1222             case WXK_BACK: key = wxT("BACK"); break;
1223             case WXK_TAB: key = wxT("TAB"); break;
1224             case WXK_RETURN: key = wxT("RETURN"); break;
1225             case WXK_ESCAPE: key = wxT("ESCAPE"); break;
1226             case WXK_SPACE: key = wxT("SPACE"); break;
1227             case WXK_DELETE: key = wxT("DELETE"); break;
1228             case WXK_START: key = wxT("START"); break;
1229             case WXK_LBUTTON: key = wxT("LBUTTON"); break;
1230             case WXK_RBUTTON: key = wxT("RBUTTON"); break;
1231             case WXK_CANCEL: key = wxT("CANCEL"); break;
1232             case WXK_MBUTTON: key = wxT("MBUTTON"); break;
1233             case WXK_CLEAR: key = wxT("CLEAR"); break;
1234             case WXK_SHIFT: key = wxT("SHIFT"); break;
1235             case WXK_ALT: key = wxT("ALT"); break;
1236             case WXK_CONTROL: key = wxT("CONTROL"); break;
1237             case WXK_MENU: key = wxT("MENU"); break;
1238             case WXK_PAUSE: key = wxT("PAUSE"); break;
1239             case WXK_CAPITAL: key = wxT("CAPITAL"); break;
1240             case WXK_END: key = wxT("END"); break;
1241             case WXK_HOME: key = wxT("HOME"); break;
1242             case WXK_LEFT: key = wxT("LEFT"); break;
1243             case WXK_UP: key = wxT("UP"); break;
1244             case WXK_RIGHT: key = wxT("RIGHT"); break;
1245             case WXK_DOWN: key = wxT("DOWN"); break;
1246             case WXK_SELECT: key = wxT("SELECT"); break;
1247             case WXK_PRINT: key = wxT("PRINT"); break;
1248             case WXK_EXECUTE: key = wxT("EXECUTE"); break;
1249             case WXK_SNAPSHOT: key = wxT("SNAPSHOT"); break;
1250             case WXK_INSERT: key = wxT("INSERT"); break;
1251             case WXK_HELP: key = wxT("HELP"); break;
1252             case WXK_NUMPAD0: key = wxT("NUMPAD0"); break;
1253             case WXK_NUMPAD1: key = wxT("NUMPAD1"); break;
1254             case WXK_NUMPAD2: key = wxT("NUMPAD2"); break;
1255             case WXK_NUMPAD3: key = wxT("NUMPAD3"); break;
1256             case WXK_NUMPAD4: key = wxT("NUMPAD4"); break;
1257             case WXK_NUMPAD5: key = wxT("NUMPAD5"); break;
1258             case WXK_NUMPAD6: key = wxT("NUMPAD6"); break;
1259             case WXK_NUMPAD7: key = wxT("NUMPAD7"); break;
1260             case WXK_NUMPAD8: key = wxT("NUMPAD8"); break;
1261             case WXK_NUMPAD9: key = wxT("NUMPAD9"); break;
1262             case WXK_MULTIPLY: key = wxT("MULTIPLY"); break;
1263             case WXK_ADD: key = wxT("ADD"); break;
1264             case WXK_SEPARATOR: key = wxT("SEPARATOR"); break;
1265             case WXK_SUBTRACT: key = wxT("SUBTRACT"); break;
1266             case WXK_DECIMAL: key = wxT("DECIMAL"); break;
1267             case WXK_DIVIDE: key = wxT("DIVIDE"); break;
1268             case WXK_F1: key = wxT("F1"); break;
1269             case WXK_F2: key = wxT("F2"); break;
1270             case WXK_F3: key = wxT("F3"); break;
1271             case WXK_F4: key = wxT("F4"); break;
1272             case WXK_F5: key = wxT("F5"); break;
1273             case WXK_F6: key = wxT("F6"); break;
1274             case WXK_F7: key = wxT("F7"); break;
1275             case WXK_F8: key = wxT("F8"); break;
1276             case WXK_F9: key = wxT("F9"); break;
1277             case WXK_F10: key = wxT("F10"); break;
1278             case WXK_F11: key = wxT("F11"); break;
1279             case WXK_F12: key = wxT("F12"); break;
1280             case WXK_F13: key = wxT("F13"); break;
1281             case WXK_F14: key = wxT("F14"); break;
1282             case WXK_F15: key = wxT("F15"); break;
1283             case WXK_F16: key = wxT("F16"); break;
1284             case WXK_F17: key = wxT("F17"); break;
1285             case WXK_F18: key = wxT("F18"); break;
1286             case WXK_F19: key = wxT("F19"); break;
1287             case WXK_F20: key = wxT("F20"); break;
1288             case WXK_F21: key = wxT("F21"); break;
1289             case WXK_F22: key = wxT("F22"); break;
1290             case WXK_F23: key = wxT("F23"); break;
1291             case WXK_F24: key = wxT("F24"); break;
1292             case WXK_NUMLOCK: key = wxT("NUMLOCK"); break;
1293             case WXK_SCROLL: key = wxT("SCROLL"); break;
1294             case WXK_PAGEUP: key = wxT("PAGEUP"); break;
1295             case WXK_PAGEDOWN: key = wxT("PAGEDOWN"); break;
1296             case WXK_NUMPAD_SPACE: key = wxT("NUMPAD_SPACE"); break;
1297             case WXK_NUMPAD_TAB: key = wxT("NUMPAD_TAB"); break;
1298             case WXK_NUMPAD_ENTER: key = wxT("NUMPAD_ENTER"); break;
1299             case WXK_NUMPAD_F1: key = wxT("NUMPAD_F1"); break;
1300             case WXK_NUMPAD_F2: key = wxT("NUMPAD_F2"); break;
1301             case WXK_NUMPAD_F3: key = wxT("NUMPAD_F3"); break;
1302             case WXK_NUMPAD_F4: key = wxT("NUMPAD_F4"); break;
1303             case WXK_NUMPAD_HOME: key = wxT("NUMPAD_HOME"); break;
1304             case WXK_NUMPAD_LEFT: key = wxT("NUMPAD_LEFT"); break;
1305             case WXK_NUMPAD_UP: key = wxT("NUMPAD_UP"); break;
1306             case WXK_NUMPAD_RIGHT: key = wxT("NUMPAD_RIGHT"); break;
1307             case WXK_NUMPAD_DOWN: key = wxT("NUMPAD_DOWN"); break;
1308             case WXK_NUMPAD_PAGEUP: key = wxT("NUMPAD_PAGEUP"); break;
1309             case WXK_NUMPAD_PAGEDOWN: key = wxT("NUMPAD_PAGEDOWN"); break;
1310             case WXK_NUMPAD_END: key = wxT("NUMPAD_END"); break;
1311             case WXK_NUMPAD_BEGIN: key = wxT("NUMPAD_BEGIN"); break;
1312             case WXK_NUMPAD_INSERT: key = wxT("NUMPAD_INSERT"); break;
1313             case WXK_NUMPAD_DELETE: key = wxT("NUMPAD_DELETE"); break;
1314             case WXK_NUMPAD_EQUAL: key = wxT("NUMPAD_EQUAL"); break;
1315             case WXK_NUMPAD_MULTIPLY: key = wxT("NUMPAD_MULTIPLY"); break;
1316             case WXK_NUMPAD_ADD: key = wxT("NUMPAD_ADD"); break;
1317             case WXK_NUMPAD_SEPARATOR: key = wxT("NUMPAD_SEPARATOR"); break;
1318             case WXK_NUMPAD_SUBTRACT: key = wxT("NUMPAD_SUBTRACT"); break;
1319             case WXK_NUMPAD_DECIMAL: key = wxT("NUMPAD_DECIMAL"); break;
1320
1321             default:
1322             {
1323                if ( keycode < 128 && wxIsprint((int)keycode) )
1324                    key.Printf(wxT("'%c'"), (char)keycode);
1325                else if ( keycode > 0 && keycode < 27 )
1326                    key.Printf(_("Ctrl-%c"), wxT('A') + keycode - 1);
1327                else
1328                    key.Printf(wxT("unknown (%ld)"), keycode);
1329             }
1330         }
1331     }
1332
1333     wxLogMessage( wxT("%s event: %s (flags = %c%c%c%c)"),
1334                   name,
1335                   key.c_str(),
1336                   event.ControlDown() ? wxT('C') : wxT('-'),
1337                   event.AltDown() ? wxT('A') : wxT('-'),
1338                   event.ShiftDown() ? wxT('S') : wxT('-'),
1339                   event.MetaDown() ? wxT('M') : wxT('-'));
1340 }
1341
1342 void MyTreeCtrl::OnTreeKeyDown(wxTreeEvent& event)
1343 {
1344     LogKeyEvent(wxT("Tree key down "), event.GetKeyEvent());
1345
1346     event.Skip();
1347 }
1348
1349 void MyTreeCtrl::OnBeginDrag(wxTreeEvent& event)
1350 {
1351     // need to explicitly allow drag
1352     if ( event.GetItem() != GetRootItem() )
1353     {
1354         m_draggedItem = event.GetItem();
1355
1356         wxPoint clientpt = event.GetPoint();
1357         wxPoint screenpt = ClientToScreen(clientpt);
1358
1359         wxLogMessage(wxT("OnBeginDrag: started dragging %s at screen coords (%i,%i)"),
1360                      GetItemText(m_draggedItem).c_str(),
1361                      screenpt.x, screenpt.y);
1362
1363         event.Allow();
1364     }
1365     else
1366     {
1367         wxLogMessage(wxT("OnBeginDrag: this item can't be dragged."));
1368     }
1369 }
1370
1371 void MyTreeCtrl::OnEndDrag(wxTreeEvent& event)
1372 {
1373     wxTreeItemId itemSrc = m_draggedItem,
1374                  itemDst = event.GetItem();
1375     m_draggedItem = (wxTreeItemId)0l;
1376
1377     // where to copy the item?
1378     if ( itemDst.IsOk() && !ItemHasChildren(itemDst) )
1379     {
1380         // copy to the parent then
1381         itemDst = GetItemParent(itemDst);
1382     }
1383
1384     if ( !itemDst.IsOk() )
1385     {
1386         wxLogMessage(wxT("OnEndDrag: can't drop here."));
1387
1388         return;
1389     }
1390
1391     wxString text = GetItemText(itemSrc);
1392     wxLogMessage(wxT("OnEndDrag: '%s' copied to '%s'."),
1393                  text.c_str(), GetItemText(itemDst).c_str());
1394
1395     // just do append here - we could also insert it just before/after the item
1396     // on which it was dropped, but this requires slightly more work... we also
1397     // completely ignore the client data and icon of the old item but could
1398     // copy them as well.
1399     //
1400     // Finally, we only copy one item here but we might copy the entire tree if
1401     // we were dragging a folder.
1402     int image = wxGetApp().ShowImages() ? TreeCtrlIcon_File : -1;
1403     wxTreeItemId id = AppendItem(itemDst, text, image);
1404
1405     if ( wxGetApp().ShowStates() )
1406         SetItemState(id, GetItemState(itemSrc));
1407 }
1408
1409 void MyTreeCtrl::OnBeginLabelEdit(wxTreeEvent& event)
1410 {
1411     wxLogMessage(wxT("OnBeginLabelEdit"));
1412
1413     // for testing, prevent this item's label editing
1414     wxTreeItemId itemId = event.GetItem();
1415     if ( IsTestItem(itemId) )
1416     {
1417         wxMessageBox(wxT("You can't edit this item."));
1418
1419         event.Veto();
1420     }
1421     else if ( itemId == GetRootItem() )
1422     {
1423         // test that it is possible to change the text of the item being edited
1424         SetItemText(itemId, _T("Editing root item"));
1425     }
1426 }
1427
1428 void MyTreeCtrl::OnEndLabelEdit(wxTreeEvent& event)
1429 {
1430     wxLogMessage(wxT("OnEndLabelEdit"));
1431
1432     // don't allow anything except letters in the labels
1433     if ( !event.GetLabel().IsWord() )
1434     {
1435         wxMessageBox(wxT("The new label should be a single word."));
1436
1437         event.Veto();
1438     }
1439 }
1440
1441 void MyTreeCtrl::OnItemCollapsing(wxTreeEvent& event)
1442 {
1443     wxLogMessage(wxT("OnItemCollapsing"));
1444
1445     // for testing, prevent the user from collapsing the first child folder
1446     wxTreeItemId itemId = event.GetItem();
1447     if ( IsTestItem(itemId) )
1448     {
1449         wxMessageBox(wxT("You can't collapse this item."));
1450
1451         event.Veto();
1452     }
1453 }
1454
1455 void MyTreeCtrl::OnItemActivated(wxTreeEvent& event)
1456 {
1457     // show some info about this item
1458     wxTreeItemId itemId = event.GetItem();
1459     MyTreeItemData *item = (MyTreeItemData *)GetItemData(itemId);
1460
1461     if ( item != NULL )
1462     {
1463         item->ShowInfo(this);
1464     }
1465
1466     wxLogMessage(wxT("OnItemActivated"));
1467 }
1468
1469 void MyTreeCtrl::OnItemStateClick(wxTreeEvent& event)
1470 {
1471     // toggle item state
1472     wxTreeItemId itemId = event.GetItem();
1473     DoToggleState(itemId);
1474
1475     wxLogMessage(wxT("Item \"%s\" state changed to %d"),
1476                  GetItemText(itemId), GetItemState(itemId));
1477 }
1478
1479 void MyTreeCtrl::OnItemMenu(wxTreeEvent& event)
1480 {
1481     wxTreeItemId itemId = event.GetItem();
1482     MyTreeItemData *item = itemId.IsOk() ? (MyTreeItemData *)GetItemData(itemId)
1483                                          : NULL;
1484     wxPoint clientpt = event.GetPoint();
1485     wxPoint screenpt = ClientToScreen(clientpt);
1486
1487     wxLogMessage(wxT("OnItemMenu for item \"%s\" at screen coords (%i, %i)"),
1488                  item ? item->GetDesc() : _T(""), screenpt.x, screenpt.y);
1489
1490     ShowMenu(itemId, clientpt);
1491     event.Skip();
1492 }
1493
1494 void MyTreeCtrl::OnContextMenu(wxContextMenuEvent& event)
1495 {
1496     wxPoint pt = event.GetPosition();
1497
1498     wxLogMessage(wxT("OnContextMenu at screen coords (%i, %i)"), pt.x, pt.y);
1499
1500     event.Skip();
1501 }
1502
1503 void MyTreeCtrl::ShowMenu(wxTreeItemId id, const wxPoint& pt)
1504 {
1505     wxString title;
1506     if ( id.IsOk() )
1507     {
1508         title << wxT("Menu for ") << GetItemText(id);
1509     }
1510     else
1511     {
1512         title = wxT("Menu for no particular item");
1513     }
1514
1515 #if wxUSE_MENUS
1516     wxMenu menu(title);
1517     menu.Append(TreeTest_About, wxT("&About..."));
1518     menu.AppendSeparator();
1519     menu.Append(TreeTest_Highlight, wxT("&Highlight item"));
1520     menu.Append(TreeTest_Dump, wxT("&Dump"));
1521
1522     PopupMenu(&menu, pt);
1523 #endif // wxUSE_MENUS
1524 }
1525
1526 void MyTreeCtrl::OnItemRClick(wxTreeEvent& event)
1527 {
1528     wxTreeItemId itemId = event.GetItem();
1529     MyTreeItemData *item = itemId.IsOk() ? (MyTreeItemData *)GetItemData(itemId)
1530                                          : NULL;
1531
1532     wxLogMessage(wxT("Item \"%s\" right clicked"), item ? item->GetDesc()
1533                                                         : _T(""));
1534
1535     event.Skip();
1536 }
1537
1538 void MyTreeCtrl::OnRMouseDown(wxMouseEvent& event)
1539 {
1540     wxLogMessage(wxT("Right mouse button down"));
1541
1542     event.Skip();
1543 }
1544
1545 void MyTreeCtrl::OnRMouseUp(wxMouseEvent& event)
1546 {
1547     wxLogMessage(wxT("Right mouse button up"));
1548
1549     event.Skip();
1550 }
1551
1552 void MyTreeCtrl::OnRMouseDClick(wxMouseEvent& event)
1553 {
1554     wxTreeItemId id = HitTest(event.GetPosition());
1555     if ( !id )
1556         wxLogMessage(wxT("No item under mouse"));
1557     else
1558     {
1559         MyTreeItemData *item = (MyTreeItemData *)GetItemData(id);
1560         if ( item )
1561             wxLogMessage(wxT("Item '%s' under mouse"), item->GetDesc());
1562     }
1563
1564     event.Skip();
1565 }
1566
1567 static inline const wxChar *Bool2String(bool b)
1568 {
1569     return b ? wxT("") : wxT("not ");
1570 }
1571
1572 void MyTreeItemData::ShowInfo(wxTreeCtrl *tree)
1573 {
1574     wxLogMessage(wxT("Item '%s': %sselected, %sexpanded, %sbold,\n")
1575                  wxT("%u children (%u immediately under this item)."),
1576                  m_desc.c_str(),
1577                  Bool2String(tree->IsSelected(GetId())),
1578                  Bool2String(tree->IsExpanded(GetId())),
1579                  Bool2String(tree->IsBold(GetId())),
1580                  unsigned(tree->GetChildrenCount(GetId())),
1581                  unsigned(tree->GetChildrenCount(GetId(), false)));
1582 }