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