samples/treectrl/treetest.cpp

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