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