samples/treectrl/treetest.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        treetest.cpp
   3 // Purpose:     wxTreeCtrl sample
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx/wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifdef __BORLANDC__
  16     #pragma hdrstop
  17 #endif
  18
  19 #ifndef WX_PRECOMP
  20     #include "wx/wx.h"
  21     #include "wx/log.h"
  22 #endif
  23
  24 #include "wx/colordlg.h"
  25 #include "wx/numdlg.h"
  26
  27 #include "wx/artprov.h"
  28 #include "wx/image.h"
  29 #include "wx/imaglist.h"
  30 #include "wx/treectrl.h"
  31 #include "wx/math.h"
  32 #include "wx/renderer.h"
  33
  34 #ifdef __WIN32__
  35     // this is not supported by native control
  36     #define NO_VARIABLE_HEIGHT
  37 #endif
  38
  39 #include "treetest.h"
  40
  41 #include "icon1.xpm"
  42 #include "icon2.xpm"
  43 #include "icon3.xpm"
  44 #include "icon4.xpm"
  45 #include "icon5.xpm"
  46
  47 #include "state1.xpm"
  48 #include "state2.xpm"
  49 #include "state3.xpm"
  50 #include "state4.xpm"
  51 #include "state5.xpm"
  52
  53 #include "unchecked.xpm"
  54 #include "checked.xpm"
  55
  56 #ifndef __WXMSW__
  57     #include "../sample.xpm"
  58 #endif
  59
  60 static const int NUM_CHILDREN_PER_LEVEL = 5;
  61 static const int NUM_LEVELS = 2;
  62
  63 // verify that the item is ok and insult the user if it is not
  64 #define CHECK_ITEM( item ) if ( !item.IsOk() ) {                                 \
  65                              wxMessageBox(wxT("Please select some item first!"), \
  66                                           wxT("Tree sample error"),              \
  67                                           wxOK | wxICON_EXCLAMATION,             \
  68                                           this);                                 \
  69                              return;                                             \
  70                            }
  71
  72 #define MENU_LINK(name) EVT_MENU(TreeTest_##name, MyFrame::On##name)
  73
  74 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
  75     EVT_IDLE(MyFrame::OnIdle)
  76     EVT_SIZE(MyFrame::OnSize)
  77
  78     MENU_LINK(Quit)
  79     MENU_LINK(About)
  80     MENU_LINK(ClearLog)
  81
  82     MENU_LINK(TogButtons)
  83     MENU_LINK(TogTwist)
  84     MENU_LINK(TogLines)
  85     MENU_LINK(TogEdit)
  86     MENU_LINK(TogHideRoot)
  87     MENU_LINK(TogRootLines)
  88     MENU_LINK(TogBorder)
  89     MENU_LINK(TogFullHighlight)
  90     MENU_LINK(SetFgColour)
  91     MENU_LINK(SetBgColour)
  92     MENU_LINK(ResetStyle)
  93
  94     MENU_LINK(Highlight)
  95     MENU_LINK(Dump)
  96 #ifndef NO_MULTIPLE_SELECTION
  97     MENU_LINK(DumpSelected)
  98     MENU_LINK(Select)
  99     MENU_LINK(Unselect)
 100     MENU_LINK(ToggleSel)
 101     MENU_LINK(SelectChildren)
 102 #endif // NO_MULTIPLE_SELECTION
 103     MENU_LINK(Rename)
 104     MENU_LINK(Count)
 105     MENU_LINK(CountRec)
 106     MENU_LINK(Sort)
 107     MENU_LINK(SortRev)
 108     MENU_LINK(SetBold)
 109     MENU_LINK(ClearBold)
 110     MENU_LINK(Delete)
 111     MENU_LINK(DeleteChildren)
 112     MENU_LINK(DeleteAll)
 113     MENU_LINK(Recreate)
 114     MENU_LINK(ToggleImages)
 115     MENU_LINK(ToggleStates)
 116     MENU_LINK(ToggleAlternateImages)
 117     MENU_LINK(ToggleAlternateStates)
 118     MENU_LINK(ToggleButtons)
 119     MENU_LINK(SetImageSize)
 120     MENU_LINK(CollapseAndReset)
 121     MENU_LINK(EnsureVisible)
 122     MENU_LINK(SetFocus)
 123     MENU_LINK(AddItem)
 124     MENU_LINK(InsertItem)
 125     MENU_LINK(IncIndent)
 126     MENU_LINK(DecIndent)
 127     MENU_LINK(IncSpacing)
 128     MENU_LINK(DecSpacing)
 129     MENU_LINK(ToggleIcon)
 130     MENU_LINK(ToggleState)
 131     MENU_LINK(SelectRoot)
 132     MENU_LINK(SetFocusedRoot)
 133     MENU_LINK(ClearFocused)
 134
 135     MENU_LINK(ShowFirstVisible)
 136 #ifdef wxHAS_LAST_VISIBLE
 137     MENU_LINK(ShowLastVisible)
 138 #endif // wxHAS_LAST_VISIBLE
 139     MENU_LINK(ShowNextVisible)
 140     MENU_LINK(ShowPrevVisible)
 141     MENU_LINK(ShowParent)
 142     MENU_LINK(ShowPrevSibling)
 143     MENU_LINK(ShowNextSibling)
 144     MENU_LINK(ScrollTo)
 145 #undef MENU_LINK
 146
 147 END_EVENT_TABLE()
 148
 149 #if USE_GENERIC_TREECTRL
 150 BEGIN_EVENT_TABLE(MyTreeCtrl, wxGenericTreeCtrl)
 151 #else
 152 BEGIN_EVENT_TABLE(MyTreeCtrl, wxTreeCtrl)
 153 #endif
 154     EVT_TREE_BEGIN_DRAG(TreeTest_Ctrl, MyTreeCtrl::OnBeginDrag)
 155     EVT_TREE_BEGIN_RDRAG(TreeTest_Ctrl, MyTreeCtrl::OnBeginRDrag)
 156     EVT_TREE_END_DRAG(TreeTest_Ctrl, MyTreeCtrl::OnEndDrag)
 157     EVT_TREE_BEGIN_LABEL_EDIT(TreeTest_Ctrl, MyTreeCtrl::OnBeginLabelEdit)
 158     EVT_TREE_END_LABEL_EDIT(TreeTest_Ctrl, MyTreeCtrl::OnEndLabelEdit)
 159     EVT_TREE_DELETE_ITEM(TreeTest_Ctrl, MyTreeCtrl::OnDeleteItem)
 160 #if 0       // there are so many of those that logging them causes flicker
 161     EVT_TREE_GET_INFO(TreeTest_Ctrl, MyTreeCtrl::OnGetInfo)
 162 #endif
 163     EVT_TREE_SET_INFO(TreeTest_Ctrl, MyTreeCtrl::OnSetInfo)
 164     EVT_TREE_ITEM_EXPANDED(TreeTest_Ctrl, MyTreeCtrl::OnItemExpanded)
 165     EVT_TREE_ITEM_EXPANDING(TreeTest_Ctrl, MyTreeCtrl::OnItemExpanding)
 166     EVT_TREE_ITEM_COLLAPSED(TreeTest_Ctrl, MyTreeCtrl::OnItemCollapsed)
 167     EVT_TREE_ITEM_COLLAPSING(TreeTest_Ctrl, MyTreeCtrl::OnItemCollapsing)
 168
 169     EVT_TREE_SEL_CHANGED(TreeTest_Ctrl, MyTreeCtrl::OnSelChanged)
 170     EVT_TREE_SEL_CHANGING(TreeTest_Ctrl, MyTreeCtrl::OnSelChanging)
 171     EVT_TREE_KEY_DOWN(TreeTest_Ctrl, MyTreeCtrl::OnTreeKeyDown)
 172     EVT_TREE_ITEM_ACTIVATED(TreeTest_Ctrl, MyTreeCtrl::OnItemActivated)
 173     EVT_TREE_STATE_IMAGE_CLICK(TreeTest_Ctrl, MyTreeCtrl::OnItemStateClick)
 174
 175     // so many different ways to handle right mouse button clicks...
 176     EVT_CONTEXT_MENU(MyTreeCtrl::OnContextMenu)
 177     // EVT_TREE_ITEM_MENU is the preferred event for creating context menus
 178     // on a tree control, because it includes the point of the click or item,
 179     // meaning that no additional placement calculations are required.
 180     EVT_TREE_ITEM_MENU(TreeTest_Ctrl, MyTreeCtrl::OnItemMenu)
 181     EVT_TREE_ITEM_RIGHT_CLICK(TreeTest_Ctrl, MyTreeCtrl::OnItemRClick)
 182
 183     EVT_RIGHT_DOWN(MyTreeCtrl::OnRMouseDown)
 184     EVT_RIGHT_UP(MyTreeCtrl::OnRMouseUp)
 185     EVT_RIGHT_DCLICK(MyTreeCtrl::OnRMouseDClick)
 186 END_EVENT_TABLE()
 187
 188 IMPLEMENT_APP(MyApp)
 189
 190 bool MyApp::OnInit()
 191 {
 192     if ( !wxApp::OnInit() )
 193         return false;
 194
 195     // Create the main frame window
 196     MyFrame *frame = new MyFrame(wxT("wxTreeCtrl Test"), 50, 50, 450, 600);
 197
 198     // Show the frame
 199     frame->Show(true);
 200     SetTopWindow(frame);
 201
 202     return true;
 203 }
 204
 205
 206 // My frame constructor
 207 MyFrame::MyFrame(const wxString& title, int x, int y, int w, int h)
 208        : wxFrame((wxFrame *)NULL, wxID_ANY, title, wxPoint(x, y), wxSize(w, h)),
 209          m_treeCtrl(NULL)
 210 #if wxUSE_LOG
 211          , m_textCtrl(NULL)
 212 #endif // wxUSE_LOG
 213 {
 214     // This reduces flicker effects - even better would be to define
 215     // OnEraseBackground to do nothing. When the tree control's scrollbars are
 216     // show or hidden, the frame is sent a background erase event.
 217     SetBackgroundColour(wxColour(255, 255, 255));
 218
 219     // Give it an icon
 220     SetIcon(wxICON(sample));
 221
 222 #if wxUSE_MENUS
 223     // Make a menubar
 224     wxMenu *file_menu = new wxMenu,
 225            *style_menu = new wxMenu,
 226            *tree_menu = new wxMenu,
 227            *item_menu = new wxMenu;
 228
 229     file_menu->Append(TreeTest_ClearLog, wxT("&Clear log\tCtrl-L"));
 230     file_menu->AppendSeparator();
 231     file_menu->Append(TreeTest_About, wxT("&About..."));
 232     file_menu->AppendSeparator();
 233     file_menu->Append(TreeTest_Quit, wxT("E&xit\tAlt-X"));
 234
 235     style_menu->AppendCheckItem(TreeTest_TogButtons, wxT("Toggle &normal buttons"));
 236     style_menu->AppendCheckItem(TreeTest_TogTwist, wxT("Toggle &twister buttons"));
 237     style_menu->AppendCheckItem(TreeTest_ToggleButtons, wxT("Toggle image &buttons"));
 238     style_menu->AppendSeparator();
 239     style_menu->AppendCheckItem(TreeTest_TogLines, wxT("Toggle &connecting lines"));
 240     style_menu->AppendCheckItem(TreeTest_TogRootLines, wxT("Toggle &lines at root"));
 241     style_menu->AppendCheckItem(TreeTest_TogHideRoot, wxT("Toggle &hidden root"));
 242     style_menu->AppendCheckItem(TreeTest_TogBorder, wxT("Toggle &item border"));
 243     style_menu->AppendCheckItem(TreeTest_TogFullHighlight, wxT("Toggle &full row highlight"));
 244     style_menu->AppendCheckItem(TreeTest_TogEdit, wxT("Toggle &edit mode"));
 245 #ifndef NO_MULTIPLE_SELECTION
 246     style_menu->AppendCheckItem(TreeTest_ToggleSel, wxT("Toggle &selection mode\tCtrl-S"));
 247 #endif // NO_MULTIPLE_SELECTION
 248     style_menu->AppendCheckItem(TreeTest_ToggleImages, wxT("Toggle show ima&ges"));
 249     style_menu->AppendCheckItem(TreeTest_ToggleStates, wxT("Toggle show st&ates"));
 250     style_menu->AppendCheckItem(TreeTest_ToggleAlternateImages, wxT("Toggle alternate images"));
 251     style_menu->AppendCheckItem(TreeTest_ToggleAlternateStates, wxT("Toggle alternate state images"));
 252     style_menu->Append(TreeTest_SetImageSize, wxT("Set image si&ze..."));
 253     style_menu->AppendSeparator();
 254     style_menu->Append(TreeTest_SetFgColour, wxT("Set &foreground colour..."));
 255     style_menu->Append(TreeTest_SetBgColour, wxT("Set &background colour..."));
 256     style_menu->AppendSeparator();
 257     style_menu->Append(TreeTest_ResetStyle, wxT("&Reset to default\tF10"));
 258
 259     tree_menu->Append(TreeTest_Recreate, wxT("&Recreate the tree"));
 260     tree_menu->Append(TreeTest_CollapseAndReset, wxT("C&ollapse and reset"));
 261     tree_menu->AppendSeparator();
 262     tree_menu->Append(TreeTest_AddItem, wxT("Append a &new item"));
 263     tree_menu->Append(TreeTest_InsertItem, wxT("&Insert a new item"));
 264     tree_menu->Append(TreeTest_Delete, wxT("&Delete this item"));
 265     tree_menu->Append(TreeTest_DeleteChildren, wxT("Delete &children"));
 266     tree_menu->Append(TreeTest_DeleteAll, wxT("Delete &all items"));
 267     tree_menu->Append(TreeTest_SelectRoot, wxT("Select root item"));
 268     tree_menu->AppendSeparator();
 269     tree_menu->Append(TreeTest_SetFocusedRoot, wxT("Set focus to root item"));
 270     tree_menu->Append(TreeTest_ClearFocused, wxT("Reset focus"));
 271
 272     tree_menu->AppendSeparator();
 273     tree_menu->Append(TreeTest_Count, wxT("Count children of current item"));
 274     tree_menu->Append(TreeTest_CountRec, wxT("Recursively count children of current item"));
 275     tree_menu->AppendSeparator();
 276     tree_menu->Append(TreeTest_Sort, wxT("Sort children of current item"));
 277     tree_menu->Append(TreeTest_SortRev, wxT("Sort in reversed order"));
 278     tree_menu->AppendSeparator();
 279     tree_menu->Append(TreeTest_EnsureVisible, wxT("Make the last item &visible"));
 280     tree_menu->Append(TreeTest_SetFocus, wxT("Set &focus to the tree"));
 281     tree_menu->AppendSeparator();
 282     tree_menu->Append(TreeTest_IncIndent, wxT("Add 5 points to indentation\tAlt-I"));
 283     tree_menu->Append(TreeTest_DecIndent, wxT("Reduce indentation by 5 points\tAlt-R"));
 284     tree_menu->AppendSeparator();
 285     tree_menu->Append(TreeTest_IncSpacing, wxT("Add 5 points to spacing\tCtrl-I"));
 286     tree_menu->Append(TreeTest_DecSpacing, wxT("Reduce spacing by 5 points\tCtrl-R"));
 287
 288     item_menu->Append(TreeTest_Dump, wxT("&Dump item children"));
 289     item_menu->Append(TreeTest_Rename, wxT("&Rename item..."));
 290
 291     item_menu->AppendSeparator();
 292     item_menu->Append(TreeTest_SetBold, wxT("Make item &bold"));
 293     item_menu->Append(TreeTest_ClearBold, wxT("Make item &not bold"));
 294     item_menu->AppendSeparator();
 295     item_menu->Append(TreeTest_ToggleIcon, wxT("Toggle the item's &icon"));
 296     item_menu->Append(TreeTest_ToggleState, wxT("Toggle the item's &state"));
 297     item_menu->AppendSeparator();
 298     item_menu->Append(TreeTest_ShowFirstVisible, wxT("Show &first visible"));
 299 #ifdef wxHAS_LAST_VISIBLE
 300     item_menu->Append(TreeTest_ShowLastVisible, wxT("Show &last visible"));
 301 #endif // wxHAS_LAST_VISIBLE
 302     item_menu->Append(TreeTest_ShowNextVisible, wxT("Show &next visible"));
 303     item_menu->Append(TreeTest_ShowPrevVisible, wxT("Show &previous visible"));
 304     item_menu->AppendSeparator();
 305     item_menu->Append(TreeTest_ShowParent, "Show pa&rent");
 306     item_menu->Append(TreeTest_ShowPrevSibling, "Show &previous sibling");
 307     item_menu->Append(TreeTest_ShowNextSibling, "Show &next sibling");
 308     item_menu->AppendSeparator();
 309     item_menu->Append(TreeTest_ScrollTo, "Scroll &to item",
 310                       "Scroll to the last by one top level child");
 311
 312 #ifndef NO_MULTIPLE_SELECTION
 313     item_menu->AppendSeparator();
 314     item_menu->Append(TreeTest_DumpSelected, wxT("Dump selected items\tAlt-D"));
 315     item_menu->Append(TreeTest_Select, wxT("Select current item\tAlt-S"));
 316     item_menu->Append(TreeTest_Unselect, wxT("Unselect everything\tAlt-U"));
 317     item_menu->Append(TreeTest_SelectChildren, wxT("Select all children\tCtrl-A"));
 318 #endif // NO_MULTIPLE_SELECTION
 319
 320     wxMenuBar *menu_bar = new wxMenuBar;
 321     menu_bar->Append(file_menu, wxT("&File"));
 322     menu_bar->Append(style_menu, wxT("&Style"));
 323     menu_bar->Append(tree_menu, wxT("&Tree"));
 324     menu_bar->Append(item_menu, wxT("&Item"));
 325     SetMenuBar(menu_bar);
 326 #endif // wxUSE_MENUS
 327
 328     m_panel = new wxPanel(this);
 329
 330 #if wxUSE_LOG
 331     // create the controls
 332     m_textCtrl = new wxTextCtrl(m_panel, wxID_ANY, wxT(""),
 333                                 wxDefaultPosition, wxDefaultSize,
 334                                 wxTE_MULTILINE | wxSUNKEN_BORDER);
 335 #endif // wxUSE_LOG
 336
 337     CreateTreeWithDefStyle();
 338
 339     menu_bar->Check(TreeTest_ToggleImages, true);
 340     menu_bar->Check(TreeTest_ToggleStates, true);
 341     menu_bar->Check(TreeTest_ToggleAlternateImages, false);
 342     menu_bar->Check(TreeTest_ToggleAlternateStates, false);
 343
 344 #if wxUSE_STATUSBAR
 345     // create a status bar
 346     CreateStatusBar(2);
 347 #endif // wxUSE_STATUSBAR
 348
 349 #if wxUSE_LOG
 350 #ifdef __WXMOTIF__
 351     // For some reason, we get a memcpy crash in wxLogStream::DoLogStream
 352     // on gcc/wxMotif, if we use wxLogTextCtl. Maybe it's just gcc?
 353     delete wxLog::SetActiveTarget(new wxLogStderr);
 354 #else
 355     // set our text control as the log target
 356     wxLogTextCtrl *logWindow = new wxLogTextCtrl(m_textCtrl);
 357     delete wxLog::SetActiveTarget(logWindow);
 358 #endif
 359 #endif // wxUSE_LOG
 360 }
 361
 362 MyFrame::~MyFrame()
 363 {
 364 #if wxUSE_LOG
 365     delete wxLog::SetActiveTarget(NULL);
 366 #endif // wxUSE_LOG
 367 }
 368
 369 void MyFrame::CreateTreeWithDefStyle()
 370 {
 371     long style = wxTR_DEFAULT_STYLE |
 372 #ifndef NO_VARIABLE_HEIGHT
 373                  wxTR_HAS_VARIABLE_ROW_HEIGHT |
 374 #endif
 375                  wxTR_EDIT_LABELS;
 376
 377     CreateTree(style | wxSUNKEN_BORDER);
 378
 379     // as we don't know what wxTR_DEFAULT_STYLE could contain, test for
 380     // everything
 381     wxMenuBar *mbar = GetMenuBar();
 382     mbar->Check(TreeTest_TogButtons, (style & wxTR_HAS_BUTTONS) != 0);
 383     mbar->Check(TreeTest_TogButtons, (style & wxTR_TWIST_BUTTONS) != 0);
 384     mbar->Check(TreeTest_TogLines, (style & wxTR_NO_LINES) == 0);
 385     mbar->Check(TreeTest_TogRootLines, (style & wxTR_LINES_AT_ROOT) != 0);
 386     mbar->Check(TreeTest_TogHideRoot, (style & wxTR_HIDE_ROOT) != 0);
 387     mbar->Check(TreeTest_TogEdit, (style & wxTR_EDIT_LABELS) != 0);
 388     mbar->Check(TreeTest_TogBorder, (style & wxTR_ROW_LINES) != 0);
 389     mbar->Check(TreeTest_TogFullHighlight, (style & wxTR_FULL_ROW_HIGHLIGHT) != 0);
 390 }
 391
 392 void MyFrame::CreateTree(long style)
 393 {
 394     m_treeCtrl = new MyTreeCtrl(m_panel, TreeTest_Ctrl,
 395                                 wxDefaultPosition, wxDefaultSize,
 396                                 style);
 397
 398     GetMenuBar()->Enable(TreeTest_SelectRoot, !(style & wxTR_HIDE_ROOT));
 399
 400     Resize();
 401 }
 402
 403 void MyFrame::TogStyle(int id, long flag)
 404 {
 405     long style = m_treeCtrl->GetWindowStyle() ^ flag;
 406
 407     // most treectrl styles can't be changed on the fly using the native
 408     // control and the tree must be recreated
 409 #ifndef __WXMSW__
 410     m_treeCtrl->SetWindowStyle(style);
 411 #else // MSW
 412     delete m_treeCtrl;
 413     CreateTree(style);
 414 #endif // !MSW/MSW
 415
 416     GetMenuBar()->Check(id, (style & flag) != 0);
 417 }
 418
 419 void MyFrame::OnIdle(wxIdleEvent& event)
 420 {
 421 #if wxUSE_STATUSBAR
 422     if ( m_treeCtrl )
 423     {
 424         wxTreeItemId idRoot = m_treeCtrl->GetRootItem();
 425         wxString status;
 426         if (idRoot.IsOk())
 427         {
 428             wxTreeItemId idLast = m_treeCtrl->GetLastChild(idRoot);
 429             status = wxString::Format(
 430                 wxT("Root/last item is %svisible/%svisible"),
 431                 m_treeCtrl->IsVisible(idRoot) ? wxT("") : wxT("not "),
 432                 idLast.IsOk() && m_treeCtrl->IsVisible(idLast)
 433                     ? wxT("") : wxT("not "));
 434         }
 435         else
 436             status = wxT("No root item");
 437
 438         SetStatusText(status, 1);
 439     }
 440 #endif // wxUSE_STATUSBAR
 441
 442     event.Skip();
 443 }
 444
 445 void MyFrame::OnSize(wxSizeEvent& event)
 446 {
 447     if ( m_treeCtrl
 448 #if wxUSE_LOG
 449                     && m_textCtrl
 450 #endif // wxUSE_LOG
 451                                   )
 452     {
 453         Resize();
 454     }
 455
 456     event.Skip();
 457 }
 458
 459 void MyFrame::Resize()
 460 {
 461     wxSize size = GetClientSize();
 462     m_treeCtrl->SetSize(0, 0, size.x, size.y
 463 #if wxUSE_LOG
 464                                             *2/3);
 465     m_textCtrl->SetSize(0, 2*size.y/3, size.x, size.y/3
 466 #endif
 467     );
 468 }
 469
 470 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 471 {
 472     Close(true);
 473 }
 474
 475 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 476 {
 477     wxMessageBox(wxT("Tree test sample\n")
 478                  wxT("(c) Julian Smart 1997, Vadim Zeitlin 1998"),
 479                  wxT("About tree test"),
 480                  wxOK | wxICON_INFORMATION, this);
 481 }
 482
 483 void MyFrame::OnClearLog(wxCommandEvent& WXUNUSED(event))
 484 {
 485     m_textCtrl->Clear();
 486 }
 487
 488 void MyFrame::OnRename(wxCommandEvent& WXUNUSED(event))
 489 {
 490     wxTreeItemId item = m_treeCtrl->GetFocusedItem();
 491
 492     CHECK_ITEM( item );
 493
 494     // old code - now we edit in place
 495 #if 0
 496     static wxString s_text;
 497     s_text = wxGetTextFromUser(wxT("New name: "), wxT("Tree sample question"),
 498             s_text, this);
 499     if ( !s_text.empty() )
 500     {
 501         m_treeCtrl->SetItemText(item, s_text);
 502     }
 503 #endif // 0
 504
 505     // TODO demonstrate creating a custom edit control...
 506     (void)m_treeCtrl->EditLabel(item);
 507 }
 508
 509 void MyFrame::OnCount(wxCommandEvent& WXUNUSED(event))
 510 {
 511     wxTreeItemId item = m_treeCtrl->GetFocusedItem();
 512
 513     CHECK_ITEM( item );
 514
 515     int i = m_treeCtrl->GetChildrenCount( item, false );
 516
 517     wxLogMessage(wxT("%d children"), i);
 518 }
 519
 520 void MyFrame::OnCountRec(wxCommandEvent& WXUNUSED(event))
 521 {
 522     wxTreeItemId item = m_treeCtrl->GetFocusedItem();
 523
 524     CHECK_ITEM( item );
 525
 526     int i = m_treeCtrl->GetChildrenCount( item );
 527
 528     wxLogMessage(wxT("%d children"), i);
 529 }
 530
 531 void MyFrame::DoSort(bool reverse)
 532 {
 533     wxTreeItemId item = m_treeCtrl->GetFocusedItem();
 534
 535     CHECK_ITEM( item );
 536
 537     m_treeCtrl->DoSortChildren(item, reverse);
 538 }
 539
 540 void MyFrame::OnHighlight(wxCommandEvent& WXUNUSED(event))
 541 {
 542     wxTreeItemId id = m_treeCtrl->GetFocusedItem();
 543
 544     CHECK_ITEM( id );
 545
 546     wxRect r;
 547     if ( !m_treeCtrl->GetBoundingRect(id, r, true /* text, not full row */) )
 548     {
 549         wxLogMessage(wxT("Failed to get bounding item rect"));
 550         return;
 551     }
 552
 553     wxClientDC dc(m_treeCtrl);
 554     dc.SetBrush(*wxRED);
 555     dc.SetPen(*wxTRANSPARENT_PEN);
 556     dc.DrawRectangle(r);
 557     m_treeCtrl->Update();
 558 }
 559
 560 void MyFrame::OnDump(wxCommandEvent& WXUNUSED(event))
 561 {
 562     wxTreeItemId root = m_treeCtrl->GetFocusedItem();
 563
 564     CHECK_ITEM( root );
 565
 566     m_treeCtrl->GetItemsRecursively(root);
 567 }
 568
 569 #ifndef NO_MULTIPLE_SELECTION
 570
 571 void MyFrame::OnToggleSel(wxCommandEvent& event)
 572 {
 573     TogStyle(event.GetId(), wxTR_MULTIPLE);
 574 }
 575
 576 void MyFrame::OnDumpSelected(wxCommandEvent& WXUNUSED(event))
 577 {
 578     wxArrayTreeItemIds array;
 579
 580     size_t count = m_treeCtrl->GetSelections(array);
 581     wxLogMessage(wxT("%u items selected"), unsigned(count));
 582
 583     for ( size_t n = 0; n < count; n++ )
 584     {
 585         wxLogMessage(wxT("\t%s"), m_treeCtrl->GetItemText(array.Item(n)).c_str());
 586     }
 587 }
 588
 589 void MyFrame::OnSelect(wxCommandEvent& WXUNUSED(event))
 590 {
 591     m_treeCtrl->SelectItem(m_treeCtrl->GetFocusedItem());
 592 }
 593
 594 void MyFrame::OnSelectRoot(wxCommandEvent& WXUNUSED(event))
 595 {
 596     if ( !m_treeCtrl->HasFlag(wxTR_HIDE_ROOT) )
 597         m_treeCtrl->SelectItem(m_treeCtrl->GetRootItem());
 598 }
 599
 600 void MyFrame::OnSetFocusedRoot(wxCommandEvent& WXUNUSED(event))
 601 {
 602     if ( !m_treeCtrl->HasFlag(wxTR_HIDE_ROOT) )
 603         m_treeCtrl->SetFocusedItem(m_treeCtrl->GetRootItem());
 604 }
 605
 606 void MyFrame::OnClearFocused(wxCommandEvent& WXUNUSED(event))
 607 {
 608     m_treeCtrl->ClearFocusedItem();
 609 }
 610
 611 void MyFrame::OnUnselect(wxCommandEvent& WXUNUSED(event))
 612 {
 613     m_treeCtrl->UnselectAll();
 614 }
 615
 616 void MyFrame::OnSelectChildren(wxCommandEvent& WXUNUSED(event))
 617 {
 618     wxTreeItemId item = m_treeCtrl->GetFocusedItem();
 619     if ( !item.IsOk() )
 620         item = m_treeCtrl->GetRootItem();
 621
 622     m_treeCtrl->SelectChildren(item);
 623 }
 624
 625 #endif // NO_MULTIPLE_SELECTION
 626
 627 void MyFrame::DoSetBold(bool bold)
 628 {
 629     wxTreeItemId item = m_treeCtrl->GetFocusedItem();
 630
 631     CHECK_ITEM( item );
 632
 633     m_treeCtrl->SetItemBold(item, bold);
 634 }
 635
 636 void MyFrame::OnDelete(wxCommandEvent& WXUNUSED(event))
 637 {
 638     wxTreeItemId item = m_treeCtrl->GetFocusedItem();
 639
 640     CHECK_ITEM( item );
 641
 642     m_treeCtrl->Delete(item);
 643 }
 644
 645 void MyFrame::OnDeleteChildren(wxCommandEvent& WXUNUSED(event))
 646 {
 647     wxTreeItemId item = m_treeCtrl->GetFocusedItem();
 648
 649     CHECK_ITEM( item );
 650
 651     m_treeCtrl->DeleteChildren(item);
 652 }
 653
 654 void MyFrame::OnDeleteAll(wxCommandEvent& WXUNUSED(event))
 655 {
 656     m_treeCtrl->DeleteAllItems();
 657 }
 658
 659 void MyFrame::OnRecreate(wxCommandEvent& event)
 660 {
 661     OnDeleteAll(event);
 662     m_treeCtrl->AddTestItemsToTree(NUM_CHILDREN_PER_LEVEL, NUM_LEVELS);
 663 }
 664
 665 void MyFrame::OnSetImageSize(wxCommandEvent& WXUNUSED(event))
 666 {
 667     int size = wxGetNumberFromUser(wxT("Enter the size for the images to use"),
 668                                     wxT("Size: "),
 669                                     wxT("TreeCtrl sample"),
 670                                     m_treeCtrl->ImageSize());
 671     if ( size == -1 )
 672         return;
 673
 674     m_treeCtrl->CreateImageList(size);
 675     wxGetApp().SetShowImages(true);
 676 }
 677
 678 void MyFrame::OnToggleImages(wxCommandEvent& WXUNUSED(event))
 679 {
 680     if ( wxGetApp().ShowImages() )
 681     {
 682         m_treeCtrl->CreateImageList(-1);
 683         wxGetApp().SetShowImages(false);
 684     }
 685     else
 686     {
 687         m_treeCtrl->CreateImageList(0);
 688         wxGetApp().SetShowImages(true);
 689     }
 690 }
 691
 692 void MyFrame::OnToggleStates(wxCommandEvent& WXUNUSED(event))
 693 {
 694     if ( wxGetApp().ShowStates() )
 695     {
 696         m_treeCtrl->CreateStateImageList(true);
 697         wxGetApp().SetShowStates(false);
 698     }
 699     else
 700     {
 701         m_treeCtrl->CreateStateImageList(false);
 702         wxGetApp().SetShowStates(true);
 703     }
 704 }
 705
 706 void MyFrame::OnToggleAlternateImages(wxCommandEvent& WXUNUSED(event))
 707 {
 708     bool alternateImages = m_treeCtrl->AlternateImages();
 709
 710     m_treeCtrl->SetAlternateImages(!alternateImages);
 711     m_treeCtrl->CreateImageList(0);
 712 }
 713
 714 void MyFrame::OnToggleAlternateStates(wxCommandEvent& WXUNUSED(event))
 715 {
 716     bool alternateStates = m_treeCtrl->AlternateStates();
 717
 718     m_treeCtrl->SetAlternateStates(!alternateStates);
 719     m_treeCtrl->CreateStateImageList();
 720
 721     // normal states < alternate states
 722     // so we must reset broken states
 723     if ( alternateStates )
 724         m_treeCtrl->ResetBrokenStateImages();
 725 }
 726
 727 void MyFrame::OnToggleButtons(wxCommandEvent& WXUNUSED(event))
 728 {
 729 #if USE_GENERIC_TREECTRL || !defined(__WXMSW__)
 730     if ( wxGetApp().ShowButtons() )
 731     {
 732         m_treeCtrl->CreateButtonsImageList(-1);
 733         wxGetApp().SetShowButtons(false);
 734     }
 735     else
 736     {
 737         m_treeCtrl->CreateButtonsImageList(15);
 738         wxGetApp().SetShowButtons(true);
 739     }
 740 #endif
 741 }
 742
 743 void MyFrame::OnCollapseAndReset(wxCommandEvent& WXUNUSED(event))
 744 {
 745     m_treeCtrl->CollapseAndReset(m_treeCtrl->GetRootItem());
 746 }
 747
 748 void MyFrame::OnEnsureVisible(wxCommandEvent& WXUNUSED(event))
 749 {
 750     m_treeCtrl->DoEnsureVisible();
 751 }
 752
 753 void MyFrame::OnSetFocus(wxCommandEvent& WXUNUSED(event))
 754 {
 755     m_treeCtrl->SetFocus();
 756 }
 757
 758 void MyFrame::OnInsertItem(wxCommandEvent& WXUNUSED(event))
 759 {
 760     int image = wxGetApp().ShowImages() ? MyTreeCtrl::TreeCtrlIcon_File : -1;
 761     m_treeCtrl->InsertItem(m_treeCtrl->GetRootItem(), image, wxT("2nd item"));
 762 }
 763
 764 void MyFrame::OnAddItem(wxCommandEvent& WXUNUSED(event))
 765 {
 766     static int s_num = 0;
 767
 768     wxString text;
 769     text.Printf(wxT("Item #%d"), ++s_num);
 770
 771     m_treeCtrl->AppendItem(m_treeCtrl->GetRootItem(),
 772                            text /*,
 773                            MyTreeCtrl::TreeCtrlIcon_File */ );
 774 }
 775
 776 void MyFrame::OnIncIndent(wxCommandEvent& WXUNUSED(event))
 777 {
 778     unsigned int indent = m_treeCtrl->GetIndent();
 779     if (indent < 100)
 780         m_treeCtrl->SetIndent( indent+5 );
 781 }
 782
 783 void MyFrame::OnDecIndent(wxCommandEvent& WXUNUSED(event))
 784 {
 785     unsigned int indent = m_treeCtrl->GetIndent();
 786     if (indent > 10)
 787         m_treeCtrl->SetIndent( indent-5 );
 788 }
 789
 790 void MyFrame::OnIncSpacing(wxCommandEvent& WXUNUSED(event))
 791 {
 792     unsigned int indent = m_treeCtrl->GetSpacing();
 793     if (indent < 100)
 794     {
 795         m_treeCtrl->SetSpacing( indent+5 );
 796         m_treeCtrl->Refresh();
 797     }
 798 }
 799
 800 void MyFrame::OnDecSpacing(wxCommandEvent& WXUNUSED(event))
 801 {
 802     unsigned int indent = m_treeCtrl->GetSpacing();
 803     if (indent > 10)
 804     {
 805         m_treeCtrl->SetSpacing( indent-5 );
 806         m_treeCtrl->Refresh();
 807     }
 808 }
 809
 810 void MyFrame::OnToggleIcon(wxCommandEvent& WXUNUSED(event))
 811 {
 812     wxTreeItemId item = m_treeCtrl->GetFocusedItem();
 813
 814     CHECK_ITEM( item );
 815
 816     m_treeCtrl->DoToggleIcon(item);
 817 }
 818
 819 void MyFrame::OnToggleState(wxCommandEvent& WXUNUSED(event))
 820 {
 821     wxTreeItemId item = m_treeCtrl->GetFocusedItem();
 822
 823     CHECK_ITEM( item );
 824
 825     m_treeCtrl->DoToggleState(item);
 826 }
 827
 828 void MyFrame::DoShowFirstOrLast(TreeFunc0_t pfn, const wxString& label)
 829 {
 830     const wxTreeItemId item = (m_treeCtrl->*pfn)();
 831
 832     if ( !item.IsOk() )
 833     {
 834         wxLogMessage("There is no %s item", label);
 835     }
 836     else
 837     {
 838         wxLogMessage("The %s item is \"%s\"",
 839                      label, m_treeCtrl->GetItemText(item));
 840     }
 841 }
 842
 843 void MyFrame::DoShowRelativeItem(TreeFunc1_t pfn, const wxString& label)
 844 {
 845     wxTreeItemId item = m_treeCtrl->GetFocusedItem();
 846
 847     CHECK_ITEM( item );
 848
 849     if ((pfn == (TreeFunc1_t) &wxTreeCtrl::GetPrevVisible
 850          || pfn == (TreeFunc1_t) &wxTreeCtrl::GetNextVisible)
 851         && !m_treeCtrl->IsVisible(item))
 852     {
 853         wxLogMessage("The selected item must be visible.");
 854         return;
 855     }
 856
 857     wxTreeItemId new_item = (m_treeCtrl->*pfn)(item);
 858
 859     if ( !new_item.IsOk() )
 860     {
 861         wxLogMessage("There is no %s item", label);
 862     }
 863     else
 864     {
 865         wxLogMessage("The %s item is \"%s\"",
 866                      label, m_treeCtrl->GetItemText(new_item));
 867     }
 868 }
 869
 870 void MyFrame::OnScrollTo(wxCommandEvent& WXUNUSED(event))
 871 {
 872     // scroll to the last but one top level child
 873     wxTreeItemId item = m_treeCtrl->GetPrevSibling(
 874                             m_treeCtrl->GetLastChild(
 875                                 m_treeCtrl->GetRootItem()));
 876     CHECK_ITEM( item );
 877
 878     m_treeCtrl->ScrollTo(item);
 879 }
 880
 881 void MyFrame::OnSetFgColour(wxCommandEvent& WXUNUSED(event))
 882 {
 883     wxColour col = wxGetColourFromUser(this, m_treeCtrl->GetForegroundColour());
 884     if ( col.Ok() )
 885         m_treeCtrl->SetForegroundColour(col);
 886 }
 887
 888 void MyFrame::OnSetBgColour(wxCommandEvent& WXUNUSED(event))
 889 {
 890     wxColour col = wxGetColourFromUser(this, m_treeCtrl->GetBackgroundColour());
 891     if ( col.Ok() )
 892         m_treeCtrl->SetBackgroundColour(col);
 893 }
 894
 895 // MyTreeCtrl implementation
 896 #if USE_GENERIC_TREECTRL
 897 IMPLEMENT_DYNAMIC_CLASS(MyTreeCtrl, wxGenericTreeCtrl)
 898 #else
 899 IMPLEMENT_DYNAMIC_CLASS(MyTreeCtrl, wxTreeCtrl)
 900 #endif
 901
 902 MyTreeCtrl::MyTreeCtrl(wxWindow *parent, const wxWindowID id,
 903                        const wxPoint& pos, const wxSize& size,
 904                        long style)
 905           : wxTreeCtrl(parent, id, pos, size, style),
 906             m_alternateImages(false),
 907             m_alternateStates(false)
 908 {
 909     m_reverseSort = false;
 910
 911     CreateImageList();
 912     CreateStateImageList();
 913
 914     // Add some items to the tree
 915     AddTestItemsToTree(NUM_CHILDREN_PER_LEVEL, NUM_LEVELS);
 916 }
 917
 918 void MyTreeCtrl::CreateImageList(int size)
 919 {
 920     if ( size == -1 )
 921     {
 922         SetImageList(NULL);
 923         return;
 924     }
 925     if ( size == 0 )
 926         size = m_imageSize;
 927     else
 928         m_imageSize = size;
 929
 930     // Make an image list containing small icons
 931     wxImageList *images = new wxImageList(size, size, true);
 932
 933     // should correspond to TreeCtrlIcon_xxx enum
 934     wxBusyCursor wait;
 935     wxIcon icons[5];
 936
 937     if (m_alternateImages)
 938     {
 939         icons[TreeCtrlIcon_File] = wxIcon(icon1_xpm);
 940         icons[TreeCtrlIcon_FileSelected] = wxIcon(icon2_xpm);
 941         icons[TreeCtrlIcon_Folder] = wxIcon(icon3_xpm);
 942         icons[TreeCtrlIcon_FolderSelected] = wxIcon(icon4_xpm);
 943         icons[TreeCtrlIcon_FolderOpened] = wxIcon(icon5_xpm);
 944     }
 945     else
 946     {
 947         wxSize iconSize(size, size);
 948
 949         icons[TreeCtrlIcon_File] =
 950         icons[TreeCtrlIcon_FileSelected] = wxArtProvider::GetIcon(wxART_NORMAL_FILE, wxART_LIST, iconSize);
 951         icons[TreeCtrlIcon_Folder] =
 952         icons[TreeCtrlIcon_FolderSelected] =
 953         icons[TreeCtrlIcon_FolderOpened] = wxArtProvider::GetIcon(wxART_FOLDER, wxART_LIST, iconSize);
 954     }
 955
 956     for ( size_t i = 0; i < WXSIZEOF(icons); i++ )
 957     {
 958         int sizeOrig = icons[0].GetWidth();
 959         if ( size == sizeOrig )
 960         {
 961             images->Add(icons[i]);
 962         }
 963         else
 964         {
 965             images->Add(wxBitmap(wxBitmap(icons[i]).ConvertToImage().Rescale(size, size)));
 966         }
 967     }
 968
 969     AssignImageList(images);
 970 }
 971
 972 void MyTreeCtrl::CreateStateImageList(bool del)
 973 {
 974     if ( del )
 975     {
 976         SetStateImageList(NULL);
 977         return;
 978     }
 979
 980     wxImageList *states;
 981     wxBusyCursor wait;
 982
 983     if (m_alternateStates)
 984     {
 985         wxIcon icons[5];
 986         icons[0] = wxIcon(state1_xpm);  // yellow
 987         icons[1] = wxIcon(state2_xpm);  // green
 988         icons[2] = wxIcon(state3_xpm);  // red
 989         icons[3] = wxIcon(state4_xpm);  // blue
 990         icons[4] = wxIcon(state5_xpm);  // black
 991
 992         int width  = icons[0].GetWidth(),
 993             height = icons[0].GetHeight();
 994
 995         // Make an state image list containing small icons
 996         states = new wxImageList(width, height, true);
 997
 998         for ( size_t i = 0; i < WXSIZEOF(icons); i++ )
 999             states->Add(icons[i]);
1000     }
1001     else
1002     {
1003         wxIcon icons[2];
1004         icons[0] = wxIcon(unchecked_xpm);
1005         icons[1] = wxIcon(checked_xpm);
1006
1007         int width  = icons[0].GetWidth(),
1008             height = icons[0].GetHeight();
1009
1010         // Make an state image list containing small icons
1011         states = new wxImageList(width, height, true);
1012
1013         for ( size_t i = 0; i < WXSIZEOF(icons); i++ )
1014             states->Add(icons[i]);
1015     }
1016
1017     AssignStateImageList(states);
1018 }
1019
1020 #if USE_GENERIC_TREECTRL || !defined(__WXMSW__)
1021 void MyTreeCtrl::CreateButtonsImageList(int size)
1022 {
1023     if ( size == -1 )
1024     {
1025         SetButtonsImageList(NULL);
1026         return;
1027     }
1028
1029     // Make an image list containing small icons
1030     wxImageList *images = new wxImageList(size, size, true);
1031
1032     // should correspond to TreeCtrlIcon_xxx enum
1033     wxBusyCursor wait;
1034     wxIcon icons[4];
1035
1036     if (m_alternateImages)
1037     {
1038         icons[0] = wxIcon(icon3_xpm);   // closed
1039         icons[1] = wxIcon(icon3_xpm);   // closed, selected
1040         icons[2] = wxIcon(icon5_xpm);   // open
1041         icons[3] = wxIcon(icon5_xpm);   // open, selected
1042     }
1043     else
1044     {
1045         wxSize iconSize(size, size);
1046
1047         icons[0] =                                                                 // closed
1048         icons[1] = wxArtProvider::GetIcon(wxART_FOLDER, wxART_LIST, iconSize);     // closed, selected
1049         icons[2] =                                                                 // open
1050         icons[3] = wxArtProvider::GetIcon(wxART_FOLDER_OPEN, wxART_LIST, iconSize);// open, selected
1051     }
1052
1053    for ( size_t i = 0; i < WXSIZEOF(icons); i++ )
1054     {
1055         int sizeOrig = icons[i].GetWidth();
1056         if ( size == sizeOrig )
1057         {
1058             images->Add(icons[i]);
1059         }
1060         else
1061         {
1062             images->Add(wxBitmap(wxBitmap(icons[i]).ConvertToImage().Rescale(size, size)));
1063         }
1064     }
1065
1066     AssignButtonsImageList(images);
1067 #else
1068 void MyTreeCtrl::CreateButtonsImageList(int WXUNUSED(size))
1069 {
1070 #endif
1071 }
1072
1073 int MyTreeCtrl::OnCompareItems(const wxTreeItemId& item1,
1074                                const wxTreeItemId& item2)
1075 {
1076     if ( m_reverseSort )
1077     {
1078         // just exchange 1st and 2nd items
1079         return wxTreeCtrl::OnCompareItems(item2, item1);
1080     }
1081     else
1082     {
1083         return wxTreeCtrl::OnCompareItems(item1, item2);
1084     }
1085 }
1086
1087 void MyTreeCtrl::AddItemsRecursively(const wxTreeItemId& idParent,
1088                                      size_t numChildren,
1089                                      size_t depth,
1090                                      size_t folder)
1091 {
1092     if ( depth > 0 )
1093     {
1094         bool hasChildren = depth > 1;
1095
1096         wxString str;
1097         for ( size_t n = 0; n < numChildren; n++ )
1098         {
1099             // at depth 1 elements won't have any more children
1100             if ( hasChildren )
1101                 str.Printf(wxT("%s child %u"), wxT("Folder"), unsigned(n + 1));
1102             else
1103                 str.Printf(wxT("%s child %u.%u"), wxT("File"), unsigned(folder), unsigned(n + 1));
1104
1105             // here we pass to AppendItem() normal and selected item images (we
1106             // suppose that selected image follows the normal one in the enum)
1107             int image, imageSel;
1108             if ( wxGetApp().ShowImages() )
1109             {
1110                 image = depth == 1 ? TreeCtrlIcon_File : TreeCtrlIcon_Folder;
1111                 imageSel = image + 1;
1112             }
1113             else
1114             {
1115                 image = imageSel = -1;
1116             }
1117             wxTreeItemId id = AppendItem(idParent, str, image, imageSel,
1118                                          new MyTreeItemData(str));
1119
1120             if ( wxGetApp().ShowStates() )
1121                 SetItemState(id, 0);
1122
1123             // and now we also set the expanded one (only for the folders)
1124             if ( hasChildren && wxGetApp().ShowImages() )
1125             {
1126                 SetItemImage(id, TreeCtrlIcon_FolderOpened,
1127                              wxTreeItemIcon_Expanded);
1128             }
1129
1130             // remember the last child for OnEnsureVisible()
1131             if ( !hasChildren && n == numChildren - 1 )
1132             {
1133                 m_lastItem = id;
1134             }
1135
1136             AddItemsRecursively(id, numChildren, depth - 1, n + 1);
1137         }
1138     }
1139     //else: done!
1140 }
1141
1142 void MyTreeCtrl::AddTestItemsToTree(size_t numChildren,
1143                                     size_t depth)
1144 {
1145     int image = wxGetApp().ShowImages() ? MyTreeCtrl::TreeCtrlIcon_Folder : -1;
1146     wxTreeItemId rootId = AddRoot(wxT("Root"),
1147                                   image, image,
1148                                   new MyTreeItemData(wxT("Root item")));
1149     if ( !HasFlag(wxTR_HIDE_ROOT) && image != -1 )
1150     {
1151         SetItemImage(rootId, TreeCtrlIcon_FolderOpened, wxTreeItemIcon_Expanded);
1152     }
1153
1154     AddItemsRecursively(rootId, numChildren, depth, 0);
1155
1156     // set some colours/fonts for testing
1157     if ( !HasFlag(wxTR_HIDE_ROOT) )
1158         SetItemFont(rootId, *wxITALIC_FONT);
1159
1160     wxTreeItemIdValue cookie;
1161     wxTreeItemId id = GetFirstChild(rootId, cookie);
1162     SetItemTextColour(id, *wxBLUE);
1163
1164     id = GetNextChild(rootId, cookie);
1165     if ( id )
1166         id = GetNextChild(rootId, cookie);
1167     if ( id )
1168     {
1169         SetItemTextColour(id, *wxRED);
1170         SetItemBackgroundColour(id, *wxLIGHT_GREY);
1171     }
1172 }
1173
1174 void MyTreeCtrl::GetItemsRecursively(const wxTreeItemId& idParent,
1175                                      wxTreeItemIdValue cookie)
1176 {
1177     wxTreeItemId id;
1178
1179     if ( !cookie )
1180         id = GetFirstChild(idParent, cookie);
1181     else
1182         id = GetNextChild(idParent, cookie);
1183
1184     if ( !id.IsOk() )
1185         return;
1186
1187     wxString text = GetItemText(id);
1188     wxLogMessage(text);
1189
1190     if (ItemHasChildren(id))
1191         GetItemsRecursively(id);
1192
1193     GetItemsRecursively(idParent, cookie);
1194 }
1195
1196 void MyTreeCtrl::DoToggleIcon(const wxTreeItemId& item)
1197 {
1198     int image = GetItemImage(item) == TreeCtrlIcon_Folder
1199                     ? TreeCtrlIcon_File
1200                     : TreeCtrlIcon_Folder;
1201     SetItemImage(item, image, wxTreeItemIcon_Normal);
1202
1203     image = GetItemImage(item, wxTreeItemIcon_Selected) == TreeCtrlIcon_FolderSelected
1204                     ? TreeCtrlIcon_FileSelected
1205                     : TreeCtrlIcon_FolderSelected;
1206     SetItemImage(item, image, wxTreeItemIcon_Selected);
1207 }
1208
1209 void MyTreeCtrl::DoToggleState(const wxTreeItemId& item)
1210 {
1211     if ( m_alternateStates )
1212     {
1213         // sets random state unlike current
1214         int state = GetItemState(item);
1215         int nState;
1216
1217         srand (time(NULL));
1218         do {
1219             nState = rand() % GetStateImageList()->GetImageCount();
1220         } while (nState == state);
1221
1222         SetItemState(item, nState);
1223     }
1224     else
1225     {
1226         // we have only 2 checkbox states, so next state will be reversed
1227         SetItemState(item, wxTREE_ITEMSTATE_NEXT);
1228     }
1229 }
1230
1231 void MyTreeCtrl::DoResetBrokenStateImages(const wxTreeItemId& idParent,
1232                                           wxTreeItemIdValue cookie, int state)
1233 {
1234     wxTreeItemId id;
1235
1236     if ( !cookie )
1237         id = GetFirstChild(idParent, cookie);
1238     else
1239         id = GetNextChild(idParent, cookie);
1240
1241     if ( !id.IsOk() )
1242         return;
1243
1244     int curState = GetItemState(id);
1245     if ( curState != wxTREE_ITEMSTATE_NONE && curState > state )
1246         SetItemState(id, state);
1247
1248     if (ItemHasChildren(id))
1249         DoResetBrokenStateImages(id, 0, state);
1250
1251     DoResetBrokenStateImages(idParent, cookie, state);
1252 }
1253
1254 void MyTreeCtrl::LogEvent(const wxChar *name, const wxTreeEvent& event)
1255 {
1256     wxTreeItemId item = event.GetItem();
1257     wxString text;
1258     if ( item.IsOk() )
1259         text << wxT('"') << GetItemText(item).c_str() << wxT('"');
1260     else
1261         text = wxT("invalid item");
1262     wxLogMessage(wxT("%s(%s)"), name, text.c_str());
1263 }
1264
1265 // avoid repetition
1266 #define TREE_EVENT_HANDLER(name)                                 \
1267 void MyTreeCtrl::name(wxTreeEvent& event)                        \
1268 {                                                                \
1269     LogEvent(wxT(#name), event);                                  \
1270     SetLastItem(wxTreeItemId());                                 \
1271     event.Skip();                                                \
1272 }
1273
1274 TREE_EVENT_HANDLER(OnBeginRDrag)
1275 TREE_EVENT_HANDLER(OnDeleteItem)
1276 TREE_EVENT_HANDLER(OnGetInfo)
1277 TREE_EVENT_HANDLER(OnSetInfo)
1278 TREE_EVENT_HANDLER(OnItemExpanded)
1279 TREE_EVENT_HANDLER(OnItemExpanding)
1280 TREE_EVENT_HANDLER(OnItemCollapsed)
1281 TREE_EVENT_HANDLER(OnSelChanged)
1282 TREE_EVENT_HANDLER(OnSelChanging)
1283
1284 #undef TREE_EVENT_HANDLER
1285
1286 void LogKeyEvent(const wxChar *name, const wxKeyEvent& event)
1287 {
1288     wxString key;
1289     long keycode = event.GetKeyCode();
1290     {
1291         switch ( keycode )
1292         {
1293             case WXK_BACK: key = wxT("BACK"); break;
1294             case WXK_TAB: key = wxT("TAB"); break;
1295             case WXK_RETURN: key = wxT("RETURN"); break;
1296             case WXK_ESCAPE: key = wxT("ESCAPE"); break;
1297             case WXK_SPACE: key = wxT("SPACE"); break;
1298             case WXK_DELETE: key = wxT("DELETE"); break;
1299             case WXK_START: key = wxT("START"); break;
1300             case WXK_LBUTTON: key = wxT("LBUTTON"); break;
1301             case WXK_RBUTTON: key = wxT("RBUTTON"); break;
1302             case WXK_CANCEL: key = wxT("CANCEL"); break;
1303             case WXK_MBUTTON: key = wxT("MBUTTON"); break;
1304             case WXK_CLEAR: key = wxT("CLEAR"); break;
1305             case WXK_SHIFT: key = wxT("SHIFT"); break;
1306             case WXK_ALT: key = wxT("ALT"); break;
1307             case WXK_CONTROL: key = wxT("CONTROL"); break;
1308             case WXK_MENU: key = wxT("MENU"); break;
1309             case WXK_PAUSE: key = wxT("PAUSE"); break;
1310             case WXK_CAPITAL: key = wxT("CAPITAL"); break;
1311             case WXK_END: key = wxT("END"); break;
1312             case WXK_HOME: key = wxT("HOME"); break;
1313             case WXK_LEFT: key = wxT("LEFT"); break;
1314             case WXK_UP: key = wxT("UP"); break;
1315             case WXK_RIGHT: key = wxT("RIGHT"); break;
1316             case WXK_DOWN: key = wxT("DOWN"); break;
1317             case WXK_SELECT: key = wxT("SELECT"); break;
1318             case WXK_PRINT: key = wxT("PRINT"); break;
1319             case WXK_EXECUTE: key = wxT("EXECUTE"); break;
1320             case WXK_SNAPSHOT: key = wxT("SNAPSHOT"); break;
1321             case WXK_INSERT: key = wxT("INSERT"); break;
1322             case WXK_HELP: key = wxT("HELP"); break;
1323             case WXK_NUMPAD0: key = wxT("NUMPAD0"); break;
1324             case WXK_NUMPAD1: key = wxT("NUMPAD1"); break;
1325             case WXK_NUMPAD2: key = wxT("NUMPAD2"); break;
1326             case WXK_NUMPAD3: key = wxT("NUMPAD3"); break;
1327             case WXK_NUMPAD4: key = wxT("NUMPAD4"); break;
1328             case WXK_NUMPAD5: key = wxT("NUMPAD5"); break;
1329             case WXK_NUMPAD6: key = wxT("NUMPAD6"); break;
1330             case WXK_NUMPAD7: key = wxT("NUMPAD7"); break;
1331             case WXK_NUMPAD8: key = wxT("NUMPAD8"); break;
1332             case WXK_NUMPAD9: key = wxT("NUMPAD9"); break;
1333             case WXK_MULTIPLY: key = wxT("MULTIPLY"); break;
1334             case WXK_ADD: key = wxT("ADD"); break;
1335             case WXK_SEPARATOR: key = wxT("SEPARATOR"); break;
1336             case WXK_SUBTRACT: key = wxT("SUBTRACT"); break;
1337             case WXK_DECIMAL: key = wxT("DECIMAL"); break;
1338             case WXK_DIVIDE: key = wxT("DIVIDE"); break;
1339             case WXK_F1: key = wxT("F1"); break;
1340             case WXK_F2: key = wxT("F2"); break;
1341             case WXK_F3: key = wxT("F3"); break;
1342             case WXK_F4: key = wxT("F4"); break;
1343             case WXK_F5: key = wxT("F5"); break;
1344             case WXK_F6: key = wxT("F6"); break;
1345             case WXK_F7: key = wxT("F7"); break;
1346             case WXK_F8: key = wxT("F8"); break;
1347             case WXK_F9: key = wxT("F9"); break;
1348             case WXK_F10: key = wxT("F10"); break;
1349             case WXK_F11: key = wxT("F11"); break;
1350             case WXK_F12: key = wxT("F12"); break;
1351             case WXK_F13: key = wxT("F13"); break;
1352             case WXK_F14: key = wxT("F14"); break;
1353             case WXK_F15: key = wxT("F15"); break;
1354             case WXK_F16: key = wxT("F16"); break;
1355             case WXK_F17: key = wxT("F17"); break;
1356             case WXK_F18: key = wxT("F18"); break;
1357             case WXK_F19: key = wxT("F19"); break;
1358             case WXK_F20: key = wxT("F20"); break;
1359             case WXK_F21: key = wxT("F21"); break;
1360             case WXK_F22: key = wxT("F22"); break;
1361             case WXK_F23: key = wxT("F23"); break;
1362             case WXK_F24: key = wxT("F24"); break;
1363             case WXK_NUMLOCK: key = wxT("NUMLOCK"); break;
1364             case WXK_SCROLL: key = wxT("SCROLL"); break;
1365             case WXK_PAGEUP: key = wxT("PAGEUP"); break;
1366             case WXK_PAGEDOWN: key = wxT("PAGEDOWN"); break;
1367             case WXK_NUMPAD_SPACE: key = wxT("NUMPAD_SPACE"); break;
1368             case WXK_NUMPAD_TAB: key = wxT("NUMPAD_TAB"); break;
1369             case WXK_NUMPAD_ENTER: key = wxT("NUMPAD_ENTER"); break;
1370             case WXK_NUMPAD_F1: key = wxT("NUMPAD_F1"); break;
1371             case WXK_NUMPAD_F2: key = wxT("NUMPAD_F2"); break;
1372             case WXK_NUMPAD_F3: key = wxT("NUMPAD_F3"); break;
1373             case WXK_NUMPAD_F4: key = wxT("NUMPAD_F4"); break;
1374             case WXK_NUMPAD_HOME: key = wxT("NUMPAD_HOME"); break;
1375             case WXK_NUMPAD_LEFT: key = wxT("NUMPAD_LEFT"); break;
1376             case WXK_NUMPAD_UP: key = wxT("NUMPAD_UP"); break;
1377             case WXK_NUMPAD_RIGHT: key = wxT("NUMPAD_RIGHT"); break;
1378             case WXK_NUMPAD_DOWN: key = wxT("NUMPAD_DOWN"); break;
1379             case WXK_NUMPAD_PAGEUP: key = wxT("NUMPAD_PAGEUP"); break;
1380             case WXK_NUMPAD_PAGEDOWN: key = wxT("NUMPAD_PAGEDOWN"); break;
1381             case WXK_NUMPAD_END: key = wxT("NUMPAD_END"); break;
1382             case WXK_NUMPAD_BEGIN: key = wxT("NUMPAD_BEGIN"); break;
1383             case WXK_NUMPAD_INSERT: key = wxT("NUMPAD_INSERT"); break;
1384             case WXK_NUMPAD_DELETE: key = wxT("NUMPAD_DELETE"); break;
1385             case WXK_NUMPAD_EQUAL: key = wxT("NUMPAD_EQUAL"); break;
1386             case WXK_NUMPAD_MULTIPLY: key = wxT("NUMPAD_MULTIPLY"); break;
1387             case WXK_NUMPAD_ADD: key = wxT("NUMPAD_ADD"); break;
1388             case WXK_NUMPAD_SEPARATOR: key = wxT("NUMPAD_SEPARATOR"); break;
1389             case WXK_NUMPAD_SUBTRACT: key = wxT("NUMPAD_SUBTRACT"); break;
1390             case WXK_NUMPAD_DECIMAL: key = wxT("NUMPAD_DECIMAL"); break;
1391
1392             default:
1393             {
1394                if ( keycode < 128 && wxIsprint((int)keycode) )
1395                    key.Printf(wxT("'%c'"), (char)keycode);
1396                else if ( keycode > 0 && keycode < 27 )
1397                    key.Printf(_("Ctrl-%c"), wxT('A') + keycode - 1);
1398                else
1399                    key.Printf(wxT("unknown (%ld)"), keycode);
1400             }
1401         }
1402     }
1403
1404     wxLogMessage( wxT("%s event: %s (flags = %c%c%c%c)"),
1405                   name,
1406                   key.c_str(),
1407                   event.ControlDown() ? wxT('C') : wxT('-'),
1408                   event.AltDown() ? wxT('A') : wxT('-'),
1409                   event.ShiftDown() ? wxT('S') : wxT('-'),
1410                   event.MetaDown() ? wxT('M') : wxT('-'));
1411 }
1412
1413 void MyTreeCtrl::OnTreeKeyDown(wxTreeEvent& event)
1414 {
1415     LogKeyEvent(wxT("Tree key down "), event.GetKeyEvent());
1416
1417     event.Skip();
1418 }
1419
1420 void MyTreeCtrl::OnBeginDrag(wxTreeEvent& event)
1421 {
1422     // need to explicitly allow drag
1423     if ( event.GetItem() != GetRootItem() )
1424     {
1425         m_draggedItem = event.GetItem();
1426
1427         wxPoint clientpt = event.GetPoint();
1428         wxPoint screenpt = ClientToScreen(clientpt);
1429
1430         wxLogMessage(wxT("OnBeginDrag: started dragging %s at screen coords (%i,%i)"),
1431                      GetItemText(m_draggedItem).c_str(),
1432                      screenpt.x, screenpt.y);
1433
1434         event.Allow();
1435     }
1436     else
1437     {
1438         wxLogMessage(wxT("OnBeginDrag: this item can't be dragged."));
1439     }
1440 }
1441
1442 void MyTreeCtrl::OnEndDrag(wxTreeEvent& event)
1443 {
1444     wxTreeItemId itemSrc = m_draggedItem,
1445                  itemDst = event.GetItem();
1446     m_draggedItem = (wxTreeItemId)0l;
1447
1448     // where to copy the item?
1449     if ( itemDst.IsOk() && !ItemHasChildren(itemDst) )
1450     {
1451         // copy to the parent then
1452         itemDst = GetItemParent(itemDst);
1453     }
1454
1455     if ( !itemDst.IsOk() )
1456     {
1457         wxLogMessage(wxT("OnEndDrag: can't drop here."));
1458
1459         return;
1460     }
1461
1462     wxString text = GetItemText(itemSrc);
1463     wxLogMessage(wxT("OnEndDrag: '%s' copied to '%s'."),
1464                  text.c_str(), GetItemText(itemDst).c_str());
1465
1466     // just do append here - we could also insert it just before/after the item
1467     // on which it was dropped, but this requires slightly more work... we also
1468     // completely ignore the client data and icon of the old item but could
1469     // copy them as well.
1470     //
1471     // Finally, we only copy one item here but we might copy the entire tree if
1472     // we were dragging a folder.
1473     int image = wxGetApp().ShowImages() ? TreeCtrlIcon_File : -1;
1474     wxTreeItemId id = AppendItem(itemDst, text, image);
1475
1476     if ( wxGetApp().ShowStates() )
1477         SetItemState(id, GetItemState(itemSrc));
1478 }
1479
1480 void MyTreeCtrl::OnBeginLabelEdit(wxTreeEvent& event)
1481 {
1482     wxLogMessage(wxT("OnBeginLabelEdit"));
1483
1484     // for testing, prevent this item's label editing
1485     wxTreeItemId itemId = event.GetItem();
1486     if ( IsTestItem(itemId) )
1487     {
1488         wxMessageBox(wxT("You can't edit this item."));
1489
1490         event.Veto();
1491     }
1492     else if ( itemId == GetRootItem() )
1493     {
1494         // test that it is possible to change the text of the item being edited
1495         SetItemText(itemId, wxT("Editing root item"));
1496     }
1497 }
1498
1499 void MyTreeCtrl::OnEndLabelEdit(wxTreeEvent& event)
1500 {
1501     wxLogMessage(wxT("OnEndLabelEdit"));
1502
1503     // don't allow anything except letters in the labels
1504     if ( !event.GetLabel().IsWord() )
1505     {
1506         wxMessageBox(wxT("The new label should be a single word."));
1507
1508         event.Veto();
1509     }
1510 }
1511
1512 void MyTreeCtrl::OnItemCollapsing(wxTreeEvent& event)
1513 {
1514     wxLogMessage(wxT("OnItemCollapsing"));
1515
1516     // for testing, prevent the user from collapsing the first child folder
1517     wxTreeItemId itemId = event.GetItem();
1518     if ( IsTestItem(itemId) )
1519     {
1520         wxMessageBox(wxT("You can't collapse this item."));
1521
1522         event.Veto();
1523     }
1524 }
1525
1526 void MyTreeCtrl::OnItemActivated(wxTreeEvent& event)
1527 {
1528     // show some info about this item
1529     wxTreeItemId itemId = event.GetItem();
1530     MyTreeItemData *item = (MyTreeItemData *)GetItemData(itemId);
1531
1532     if ( item != NULL )
1533     {
1534         item->ShowInfo(this);
1535     }
1536
1537     wxLogMessage(wxT("OnItemActivated"));
1538 }
1539
1540 void MyTreeCtrl::OnItemStateClick(wxTreeEvent& event)
1541 {
1542     // toggle item state
1543     wxTreeItemId itemId = event.GetItem();
1544     DoToggleState(itemId);
1545
1546     wxLogMessage(wxT("Item \"%s\" state changed to %d"),
1547                  GetItemText(itemId), GetItemState(itemId));
1548 }
1549
1550 void MyTreeCtrl::OnItemMenu(wxTreeEvent& event)
1551 {
1552     wxTreeItemId itemId = event.GetItem();
1553     MyTreeItemData *item = itemId.IsOk() ? (MyTreeItemData *)GetItemData(itemId)
1554                                          : NULL;
1555     wxPoint clientpt = event.GetPoint();
1556     wxPoint screenpt = ClientToScreen(clientpt);
1557
1558     wxLogMessage(wxT("OnItemMenu for item \"%s\" at screen coords (%i, %i)"),
1559                  item ? item->GetDesc() : wxT(""), screenpt.x, screenpt.y);
1560
1561     ShowMenu(itemId, clientpt);
1562     event.Skip();
1563 }
1564
1565 void MyTreeCtrl::OnContextMenu(wxContextMenuEvent& event)
1566 {
1567     wxPoint pt = event.GetPosition();
1568
1569     wxLogMessage(wxT("OnContextMenu at screen coords (%i, %i)"), pt.x, pt.y);
1570
1571     event.Skip();
1572 }
1573
1574 void MyTreeCtrl::ShowMenu(wxTreeItemId id, const wxPoint& pt)
1575 {
1576     wxString title;
1577     if ( id.IsOk() )
1578     {
1579         title << wxT("Menu for ") << GetItemText(id);
1580     }
1581     else
1582     {
1583         title = wxT("Menu for no particular item");
1584     }
1585
1586 #if wxUSE_MENUS
1587     wxMenu menu(title);
1588     menu.Append(TreeTest_About, wxT("&About..."));
1589     menu.AppendSeparator();
1590     menu.Append(TreeTest_Highlight, wxT("&Highlight item"));
1591     menu.Append(TreeTest_Dump, wxT("&Dump"));
1592
1593     PopupMenu(&menu, pt);
1594 #endif // wxUSE_MENUS
1595 }
1596
1597 void MyTreeCtrl::OnItemRClick(wxTreeEvent& event)
1598 {
1599     wxTreeItemId itemId = event.GetItem();
1600     MyTreeItemData *item = itemId.IsOk() ? (MyTreeItemData *)GetItemData(itemId)
1601                                          : NULL;
1602
1603     wxLogMessage(wxT("Item \"%s\" right clicked"), item ? item->GetDesc()
1604                                                         : wxT(""));
1605
1606     event.Skip();
1607 }
1608
1609 void MyTreeCtrl::OnRMouseDown(wxMouseEvent& event)
1610 {
1611     wxLogMessage(wxT("Right mouse button down"));
1612
1613     event.Skip();
1614 }
1615
1616 void MyTreeCtrl::OnRMouseUp(wxMouseEvent& event)
1617 {
1618     wxLogMessage(wxT("Right mouse button up"));
1619
1620     event.Skip();
1621 }
1622
1623 void MyTreeCtrl::OnRMouseDClick(wxMouseEvent& event)
1624 {
1625     wxTreeItemId id = HitTest(event.GetPosition());
1626     if ( !id )
1627     {
1628         wxLogMessage(wxT("No item under mouse"));
1629     }
1630     else
1631     {
1632         MyTreeItemData *item = (MyTreeItemData *)GetItemData(id);
1633         if ( item )
1634         {
1635             wxLogMessage(wxT("Item '%s' under mouse"), item->GetDesc());
1636         }
1637     }
1638
1639     event.Skip();
1640 }
1641
1642 static inline const wxChar *Bool2String(bool b)
1643 {
1644     return b ? wxT("") : wxT("not ");
1645 }
1646
1647 void MyTreeItemData::ShowInfo(wxTreeCtrl *tree)
1648 {
1649     wxLogMessage(wxT("Item '%s': %sselected, %sexpanded, %sbold,\n")
1650                  wxT("%u children (%u immediately under this item)."),
1651                  m_desc.c_str(),
1652                  Bool2String(tree->IsSelected(GetId())),
1653                  Bool2String(tree->IsExpanded(GetId())),
1654                  Bool2String(tree->IsBold(GetId())),
1655                  unsigned(tree->GetChildrenCount(GetId())),
1656                  unsigned(tree->GetChildrenCount(GetId(), false)));
1657 }