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 licence
  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 #include "wx/wupdlock.h"
  34
  35 #ifdef __WIN32__
  36     // this is not supported by native control
  37     #define NO_VARIABLE_HEIGHT
  38 #endif
  39
  40 #include "treetest.h"
  41
  42 #include "icon1.xpm"
  43 #include "icon2.xpm"
  44 #include "icon3.xpm"
  45 #include "icon4.xpm"
  46 #include "icon5.xpm"
  47
  48 #include "state1.xpm"
  49 #include "state2.xpm"
  50 #include "state3.xpm"
  51 #include "state4.xpm"
  52 #include "state5.xpm"
  53
  54 #include "unchecked.xpm"
  55 #include "checked.xpm"
  56
  57 #ifndef wxHAS_IMAGES_IN_RESOURCES
  58     #include "../sample.xpm"
  59 #endif
  60
  61 static const int NUM_CHILDREN_PER_LEVEL = 5;
  62 static const int NUM_LEVELS = 2;
  63
  64 // verify that the item is ok and insult the user if it is not
  65 #define CHECK_ITEM( item ) if ( !item.IsOk() ) {                                 \
  66                              wxMessageBox(wxT("Please select some item first!"), \
  67                                           wxT("Tree sample error"),              \
  68                                           wxOK | wxICON_EXCLAMATION,             \
  69                                           this);                                 \
  70                              return;                                             \
  71                            }
  72
  73 #define MENU_LINK(name) EVT_MENU(TreeTest_##name, MyFrame::On##name)
  74
  75 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
  76     EVT_IDLE(MyFrame::OnIdle)
  77     EVT_SIZE(MyFrame::OnSize)
  78
  79     MENU_LINK(Quit)
  80     MENU_LINK(About)
  81     MENU_LINK(ClearLog)
  82
  83     MENU_LINK(TogButtons)
  84     MENU_LINK(TogTwist)
  85     MENU_LINK(TogLines)
  86     MENU_LINK(TogEdit)
  87     MENU_LINK(TogHideRoot)
  88     MENU_LINK(TogRootLines)
  89     MENU_LINK(TogBorder)
  90     MENU_LINK(TogFullHighlight)
  91     MENU_LINK(SetFgColour)
  92     MENU_LINK(SetBgColour)
  93     MENU_LINK(ResetStyle)
  94
  95     MENU_LINK(Highlight)
  96     MENU_LINK(Dump)
  97 #ifndef NO_MULTIPLE_SELECTION
  98     MENU_LINK(DumpSelected)
  99     MENU_LINK(Select)
 100     MENU_LINK(Unselect)
 101     MENU_LINK(ToggleSel)
 102     MENU_LINK(SelectChildren)
 103 #endif // NO_MULTIPLE_SELECTION
 104     MENU_LINK(Rename)
 105     MENU_LINK(Count)
 106     MENU_LINK(CountRec)
 107     MENU_LINK(Sort)
 108     MENU_LINK(SortRev)
 109     MENU_LINK(SetBold)
 110     MENU_LINK(ClearBold)
 111     MENU_LINK(Delete)
 112     MENU_LINK(DeleteChildren)
 113     MENU_LINK(DeleteAll)
 114     MENU_LINK(Recreate)
 115     MENU_LINK(ToggleImages)
 116     MENU_LINK(ToggleStates)
 117     MENU_LINK(ToggleBell)
 118     MENU_LINK(ToggleAlternateImages)
 119     MENU_LINK(ToggleAlternateStates)
 120     MENU_LINK(ToggleButtons)
 121     MENU_LINK(SetImageSize)
 122     MENU_LINK(CollapseAndReset)
 123     MENU_LINK(EnsureVisible)
 124     MENU_LINK(SetFocus)
 125     MENU_LINK(AddItem)
 126     MENU_LINK(AddManyItems)
 127     MENU_LINK(InsertItem)
 128     MENU_LINK(IncIndent)
 129     MENU_LINK(DecIndent)
 130     MENU_LINK(IncSpacing)
 131     MENU_LINK(DecSpacing)
 132     MENU_LINK(ToggleIcon)
 133     MENU_LINK(ToggleState)
 134     MENU_LINK(SelectRoot)
 135     MENU_LINK(SetFocusedRoot)
 136     MENU_LINK(ClearFocused)
 137
 138     MENU_LINK(ShowFirstVisible)
 139 #ifdef wxHAS_LAST_VISIBLE
 140     MENU_LINK(ShowLastVisible)
 141 #endif // wxHAS_LAST_VISIBLE
 142     MENU_LINK(ShowNextVisible)
 143     MENU_LINK(ShowPrevVisible)
 144     MENU_LINK(ShowParent)
 145     MENU_LINK(ShowPrevSibling)
 146     MENU_LINK(ShowNextSibling)
 147     MENU_LINK(ScrollTo)
 148     MENU_LINK(SelectLast)
 149 #undef MENU_LINK
 150
 151 END_EVENT_TABLE()
 152
 153 #if USE_GENERIC_TREECTRL
 154 BEGIN_EVENT_TABLE(MyTreeCtrl, wxGenericTreeCtrl)
 155 #else
 156 BEGIN_EVENT_TABLE(MyTreeCtrl, wxTreeCtrl)
 157 #endif
 158     EVT_TREE_BEGIN_DRAG(TreeTest_Ctrl, MyTreeCtrl::OnBeginDrag)
 159     EVT_TREE_BEGIN_RDRAG(TreeTest_Ctrl, MyTreeCtrl::OnBeginRDrag)
 160     EVT_TREE_END_DRAG(TreeTest_Ctrl, MyTreeCtrl::OnEndDrag)
 161     EVT_TREE_BEGIN_LABEL_EDIT(TreeTest_Ctrl, MyTreeCtrl::OnBeginLabelEdit)
 162     EVT_TREE_END_LABEL_EDIT(TreeTest_Ctrl, MyTreeCtrl::OnEndLabelEdit)
 163     EVT_TREE_DELETE_ITEM(TreeTest_Ctrl, MyTreeCtrl::OnDeleteItem)
 164 #if 0       // there are so many of those that logging them causes flicker
 165     EVT_TREE_GET_INFO(TreeTest_Ctrl, MyTreeCtrl::OnGetInfo)
 166 #endif
 167     EVT_TREE_SET_INFO(TreeTest_Ctrl, MyTreeCtrl::OnSetInfo)
 168     EVT_TREE_ITEM_EXPANDED(TreeTest_Ctrl, MyTreeCtrl::OnItemExpanded)
 169     EVT_TREE_ITEM_EXPANDING(TreeTest_Ctrl, MyTreeCtrl::OnItemExpanding)
 170     EVT_TREE_ITEM_COLLAPSED(TreeTest_Ctrl, MyTreeCtrl::OnItemCollapsed)
 171     EVT_TREE_ITEM_COLLAPSING(TreeTest_Ctrl, MyTreeCtrl::OnItemCollapsing)
 172
 173     EVT_TREE_SEL_CHANGED(TreeTest_Ctrl, MyTreeCtrl::OnSelChanged)
 174     EVT_TREE_SEL_CHANGING(TreeTest_Ctrl, MyTreeCtrl::OnSelChanging)
 175     EVT_TREE_KEY_DOWN(TreeTest_Ctrl, MyTreeCtrl::OnTreeKeyDown)
 176     EVT_TREE_ITEM_ACTIVATED(TreeTest_Ctrl, MyTreeCtrl::OnItemActivated)
 177     EVT_TREE_STATE_IMAGE_CLICK(TreeTest_Ctrl, MyTreeCtrl::OnItemStateClick)
 178
 179     // so many different ways to handle right mouse button clicks...
 180     EVT_CONTEXT_MENU(MyTreeCtrl::OnContextMenu)
 181     // EVT_TREE_ITEM_MENU is the preferred event for creating context menus
 182     // on a tree control, because it includes the point of the click or item,
 183     // meaning that no additional placement calculations are required.
 184     EVT_TREE_ITEM_MENU(TreeTest_Ctrl, MyTreeCtrl::OnItemMenu)
 185     EVT_TREE_ITEM_RIGHT_CLICK(TreeTest_Ctrl, MyTreeCtrl::OnItemRClick)
 186
 187     EVT_RIGHT_DOWN(MyTreeCtrl::OnRMouseDown)
 188     EVT_RIGHT_UP(MyTreeCtrl::OnRMouseUp)
 189     EVT_RIGHT_DCLICK(MyTreeCtrl::OnRMouseDClick)
 190 END_EVENT_TABLE()
 191
 192 IMPLEMENT_APP(MyApp)
 193
 194 bool MyApp::OnInit()
 195 {
 196     if ( !wxApp::OnInit() )
 197         return false;
 198
 199     // Create the main frame window
 200     MyFrame *frame = new MyFrame(wxT("wxTreeCtrl Test"), 50, 50, 450, 600);
 201
 202     // Show the frame
 203     frame->Show(true);
 204
 205     return true;
 206 }
 207
 208
 209 // My frame constructor
 210 MyFrame::MyFrame(const wxString& title, int x, int y, int w, int h)
 211        : wxFrame((wxFrame *)NULL, wxID_ANY, title, wxPoint(x, y), wxSize(w, h)),
 212          m_treeCtrl(NULL)
 213 #if wxUSE_LOG
 214          , m_textCtrl(NULL)
 215 #endif // wxUSE_LOG
 216 {
 217     // This reduces flicker effects - even better would be to define
 218     // OnEraseBackground to do nothing. When the tree control's scrollbars are
 219     // show or hidden, the frame is sent a background erase event.
 220     SetBackgroundColour(*wxWHITE);
 221
 222     // Give it an icon
 223     SetIcon(wxICON(sample));
 224
 225 #if wxUSE_MENUS
 226     // Make a menubar
 227     wxMenu *file_menu = new wxMenu,
 228            *style_menu = new wxMenu,
 229            *tree_menu = new wxMenu,
 230            *item_menu = new wxMenu;
 231
 232 #if wxUSE_LOG
 233     file_menu->Append(TreeTest_ClearLog, wxT("&Clear log\tCtrl-L"));
 234     file_menu->AppendSeparator();
 235 #endif // wxUSE_LOG
 236     file_menu->Append(TreeTest_About, wxT("&About"));
 237     file_menu->AppendSeparator();
 238     file_menu->Append(TreeTest_Quit, wxT("E&xit\tAlt-X"));
 239
 240     style_menu->AppendCheckItem(TreeTest_TogButtons, wxT("Toggle &normal buttons"));
 241     style_menu->AppendCheckItem(TreeTest_TogTwist, wxT("Toggle &twister buttons"));
 242     style_menu->AppendCheckItem(TreeTest_ToggleButtons, wxT("Toggle image &buttons"));
 243     style_menu->AppendSeparator();
 244     style_menu->AppendCheckItem(TreeTest_TogLines, wxT("Toggle &connecting lines"));
 245     style_menu->AppendCheckItem(TreeTest_TogRootLines, wxT("Toggle &lines at root"));
 246     style_menu->AppendCheckItem(TreeTest_TogHideRoot, wxT("Toggle &hidden root"));
 247     style_menu->AppendCheckItem(TreeTest_TogBorder, wxT("Toggle &item border"));
 248     style_menu->AppendCheckItem(TreeTest_TogFullHighlight, wxT("Toggle &full row highlight"));
 249     style_menu->AppendCheckItem(TreeTest_TogEdit, wxT("Toggle &edit mode"));
 250 #ifndef NO_MULTIPLE_SELECTION
 251     style_menu->AppendCheckItem(TreeTest_ToggleSel, wxT("Toggle &selection mode\tCtrl-S"));
 252 #endif // NO_MULTIPLE_SELECTION
 253     style_menu->AppendCheckItem(TreeTest_ToggleImages, wxT("Toggle show ima&ges"));
 254     style_menu->AppendCheckItem(TreeTest_ToggleStates, wxT("Toggle show st&ates"));
 255     style_menu->AppendCheckItem(TreeTest_ToggleBell, wxT("Toggle &bell on no match"));
 256     style_menu->AppendCheckItem(TreeTest_ToggleAlternateImages, wxT("Toggle alternate images"));
 257     style_menu->AppendCheckItem(TreeTest_ToggleAlternateStates, wxT("Toggle alternate state images"));
 258     style_menu->Append(TreeTest_SetImageSize, wxT("Set image si&ze..."));
 259     style_menu->AppendSeparator();
 260     style_menu->Append(TreeTest_SetFgColour, wxT("Set &foreground colour..."));
 261     style_menu->Append(TreeTest_SetBgColour, wxT("Set &background colour..."));
 262     style_menu->AppendSeparator();
 263     style_menu->Append(TreeTest_ResetStyle, wxT("&Reset to default\tF10"));
 264
 265     tree_menu->Append(TreeTest_Recreate, wxT("&Recreate the tree"));
 266     tree_menu->Append(TreeTest_CollapseAndReset, wxT("C&ollapse and reset"));
 267     tree_menu->AppendSeparator();
 268     tree_menu->Append(TreeTest_AddItem, wxT("Append a &new item"));
 269     tree_menu->Append(TreeTest_AddManyItems, wxT("Appends &many items"));
 270     tree_menu->Append(TreeTest_InsertItem, wxT("&Insert a new item"));
 271     tree_menu->Append(TreeTest_Delete, wxT("&Delete this item"));
 272     tree_menu->Append(TreeTest_DeleteChildren, wxT("Delete &children"));
 273     tree_menu->Append(TreeTest_DeleteAll, wxT("Delete &all items"));
 274     tree_menu->Append(TreeTest_SelectRoot, wxT("Select root item"));
 275     tree_menu->AppendSeparator();
 276     tree_menu->Append(TreeTest_SetFocusedRoot, wxT("Set focus to root item"));
 277     tree_menu->Append(TreeTest_ClearFocused, wxT("Reset focus"));
 278
 279     tree_menu->AppendSeparator();
 280     tree_menu->Append(TreeTest_Count, wxT("Count children of current item"));
 281     tree_menu->Append(TreeTest_CountRec, wxT("Recursively count children of current item"));
 282     tree_menu->AppendSeparator();
 283     tree_menu->Append(TreeTest_Sort, wxT("Sort children of current item"));
 284     tree_menu->Append(TreeTest_SortRev, wxT("Sort in reversed order"));
 285     tree_menu->AppendSeparator();
 286     tree_menu->Append(TreeTest_EnsureVisible, wxT("Make the last item &visible"));
 287     tree_menu->Append(TreeTest_SetFocus, wxT("Set &focus to the tree"));
 288     tree_menu->AppendSeparator();
 289     tree_menu->Append(TreeTest_IncIndent, wxT("Add 5 points to indentation\tAlt-I"));
 290     tree_menu->Append(TreeTest_DecIndent, wxT("Reduce indentation by 5 points\tAlt-R"));
 291     tree_menu->AppendSeparator();
 292     tree_menu->Append(TreeTest_IncSpacing, wxT("Add 5 points to spacing\tCtrl-I"));
 293     tree_menu->Append(TreeTest_DecSpacing, wxT("Reduce spacing by 5 points\tCtrl-R"));
 294
 295     item_menu->Append(TreeTest_Dump, wxT("&Dump item children"));
 296     item_menu->Append(TreeTest_Rename, wxT("&Rename item..."));
 297
 298     item_menu->AppendSeparator();
 299     item_menu->Append(TreeTest_SetBold, wxT("Make item &bold"));
 300     item_menu->Append(TreeTest_ClearBold, wxT("Make item &not bold"));
 301     item_menu->AppendSeparator();
 302     item_menu->Append(TreeTest_ToggleIcon, wxT("Toggle the item's &icon"));
 303     item_menu->Append(TreeTest_ToggleState, wxT("Toggle the item's &state"));
 304     item_menu->AppendSeparator();
 305     item_menu->Append(TreeTest_ShowFirstVisible, wxT("Show &first visible"));
 306 #ifdef wxHAS_LAST_VISIBLE
 307     item_menu->Append(TreeTest_ShowLastVisible, wxT("Show &last visible"));
 308 #endif // wxHAS_LAST_VISIBLE
 309     item_menu->Append(TreeTest_ShowNextVisible, wxT("Show &next visible"));
 310     item_menu->Append(TreeTest_ShowPrevVisible, wxT("Show &previous visible"));
 311     item_menu->AppendSeparator();
 312     item_menu->Append(TreeTest_ShowParent, "Show pa&rent");
 313     item_menu->Append(TreeTest_ShowPrevSibling, "Show &previous sibling");
 314     item_menu->Append(TreeTest_ShowNextSibling, "Show &next sibling");
 315     item_menu->AppendSeparator();
 316     item_menu->Append(TreeTest_ScrollTo, "Scroll &to item",
 317                       "Scroll to the last by one top level child");
 318     item_menu->Append(TreeTest_SelectLast, "Select &last item",
 319                       "Select the last item");
 320
 321 #ifndef NO_MULTIPLE_SELECTION
 322     item_menu->AppendSeparator();
 323     item_menu->Append(TreeTest_DumpSelected, wxT("Dump selected items\tAlt-D"));
 324     item_menu->Append(TreeTest_Select, wxT("Select current item\tAlt-S"));
 325     item_menu->Append(TreeTest_Unselect, wxT("Unselect everything\tAlt-U"));
 326     item_menu->Append(TreeTest_SelectChildren, wxT("Select all children\tCtrl-A"));
 327 #endif // NO_MULTIPLE_SELECTION
 328
 329     wxMenuBar *menu_bar = new wxMenuBar;
 330     menu_bar->Append(file_menu, wxT("&File"));
 331     menu_bar->Append(style_menu, wxT("&Style"));
 332     menu_bar->Append(tree_menu, wxT("&Tree"));
 333     menu_bar->Append(item_menu, wxT("&Item"));
 334     SetMenuBar(menu_bar);
 335 #endif // wxUSE_MENUS
 336
 337     m_panel = new wxPanel(this);
 338
 339 #if wxUSE_LOG
 340     // create the controls
 341     m_textCtrl = new wxTextCtrl(m_panel, wxID_ANY, wxT(""),
 342                                 wxDefaultPosition, wxDefaultSize,
 343                                 wxTE_MULTILINE | wxSUNKEN_BORDER);
 344
 345 #ifdef __WXMOTIF__
 346     // For some reason, we get a memcpy crash in wxLogStream::DoLogStream
 347     // on gcc/wxMotif, if we use wxLogTextCtl. Maybe it's just gcc?
 348     delete wxLog::SetActiveTarget(new wxLogStderr);
 349 #else
 350     // set our text control as the log target
 351     wxLogTextCtrl *logWindow = new wxLogTextCtrl(m_textCtrl);
 352     delete wxLog::SetActiveTarget(logWindow);
 353 #endif
 354 #endif // wxUSE_LOG
 355
 356     CreateTreeWithDefStyle();
 357
 358     menu_bar->Check(TreeTest_ToggleImages, true);
 359     menu_bar->Check(TreeTest_ToggleStates, true);
 360     menu_bar->Check(TreeTest_ToggleAlternateImages, false);
 361     menu_bar->Check(TreeTest_ToggleAlternateStates, false);
 362
 363 #if wxUSE_STATUSBAR
 364     // create a status bar
 365     CreateStatusBar(2);
 366 #endif // wxUSE_STATUSBAR
 367 }
 368
 369 MyFrame::~MyFrame()
 370 {
 371 #if wxUSE_LOG
 372     delete wxLog::SetActiveTarget(NULL);
 373 #endif // wxUSE_LOG
 374 }
 375
 376 void MyFrame::CreateTreeWithDefStyle()
 377 {
 378     long style = wxTR_DEFAULT_STYLE |
 379 #ifndef NO_VARIABLE_HEIGHT
 380                  wxTR_HAS_VARIABLE_ROW_HEIGHT |
 381 #endif
 382                  wxTR_EDIT_LABELS;
 383
 384     CreateTree(style | wxSUNKEN_BORDER);
 385
 386     // as we don't know what wxTR_DEFAULT_STYLE could contain, test for
 387     // everything
 388     wxMenuBar *mbar = GetMenuBar();
 389     mbar->Check(TreeTest_TogButtons, (style & wxTR_HAS_BUTTONS) != 0);
 390     mbar->Check(TreeTest_TogButtons, (style & wxTR_TWIST_BUTTONS) != 0);
 391     mbar->Check(TreeTest_TogLines, (style & wxTR_NO_LINES) == 0);
 392     mbar->Check(TreeTest_TogRootLines, (style & wxTR_LINES_AT_ROOT) != 0);
 393     mbar->Check(TreeTest_TogHideRoot, (style & wxTR_HIDE_ROOT) != 0);
 394     mbar->Check(TreeTest_TogEdit, (style & wxTR_EDIT_LABELS) != 0);
 395     mbar->Check(TreeTest_TogBorder, (style & wxTR_ROW_LINES) != 0);
 396     mbar->Check(TreeTest_TogFullHighlight, (style & wxTR_FULL_ROW_HIGHLIGHT) != 0);
 397 }
 398
 399 void MyFrame::CreateTree(long style)
 400 {
 401     m_treeCtrl = new MyTreeCtrl(m_panel, TreeTest_Ctrl,
 402                                 wxDefaultPosition, wxDefaultSize,
 403                                 style);
 404
 405     GetMenuBar()->Enable(TreeTest_SelectRoot, !(style & wxTR_HIDE_ROOT));
 406
 407     Resize();
 408 }
 409
 410 void MyFrame::TogStyle(int id, long flag)
 411 {
 412     long style = m_treeCtrl->GetWindowStyle() ^ flag;
 413
 414     // most treectrl styles can't be changed on the fly using the native
 415     // control and the tree must be recreated
 416 #ifndef __WXMSW__
 417     m_treeCtrl->SetWindowStyle(style);
 418 #else // MSW
 419     delete m_treeCtrl;
 420     CreateTree(style);
 421 #endif // !MSW/MSW
 422
 423     GetMenuBar()->Check(id, (style & flag) != 0);
 424 }
 425
 426 void MyFrame::OnIdle(wxIdleEvent& event)
 427 {
 428 #if wxUSE_STATUSBAR
 429     if ( m_treeCtrl )
 430     {
 431         wxTreeItemId idRoot = m_treeCtrl->GetRootItem();
 432         wxString status;
 433         if (idRoot.IsOk())
 434         {
 435             wxTreeItemId idLast = m_treeCtrl->GetLastChild(idRoot);
 436             status = wxString::Format(
 437                 wxT("Root/last item is %svisible/%svisible"),
 438                 m_treeCtrl->IsVisible(idRoot) ? wxT("") : wxT("not "),
 439                 idLast.IsOk() && m_treeCtrl->IsVisible(idLast)
 440                     ? wxT("") : wxT("not "));
 441         }
 442         else
 443             status = wxT("No root item");
 444
 445         SetStatusText(status, 1);
 446     }
 447 #endif // wxUSE_STATUSBAR
 448
 449     event.Skip();
 450 }
 451
 452 void MyFrame::OnSize(wxSizeEvent& event)
 453 {
 454     if ( m_treeCtrl
 455 #if wxUSE_LOG
 456                     && m_textCtrl
 457 #endif // wxUSE_LOG
 458                                   )
 459     {
 460         Resize();
 461     }
 462
 463     event.Skip();
 464 }
 465
 466 void MyFrame::Resize()
 467 {
 468     wxSize size = GetClientSize();
 469     m_treeCtrl->SetSize(0, 0, size.x, size.y
 470 #if wxUSE_LOG
 471                                             *2/3);
 472     m_textCtrl->SetSize(0, 2*size.y/3, size.x, size.y/3
 473 #endif
 474     );
 475 }
 476
 477 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 478 {
 479     Close(true);
 480 }
 481
 482 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 483 {
 484     wxMessageBox(wxT("Tree test sample\n")
 485                  wxT("(c) Julian Smart 1997, Vadim Zeitlin 1998"),
 486                  wxT("About tree test"),
 487                  wxOK | wxICON_INFORMATION, this);
 488 }
 489
 490 void MyFrame::OnClearLog(wxCommandEvent& WXUNUSED(event))
 491 {
 492     m_textCtrl->Clear();
 493 }
 494
 495 void MyFrame::OnRename(wxCommandEvent& WXUNUSED(event))
 496 {
 497     wxTreeItemId item = m_treeCtrl->GetFocusedItem();
 498
 499     CHECK_ITEM( item );
 500
 501     // old code - now we edit in place
 502 #if 0
 503     static wxString s_text;
 504     s_text = wxGetTextFromUser(wxT("New name: "), wxT("Tree sample question"),
 505             s_text, this);
 506     if ( !s_text.empty() )
 507     {
 508         m_treeCtrl->SetItemText(item, s_text);
 509     }
 510 #endif // 0
 511
 512     // TODO demonstrate creating a custom edit control...
 513     (void)m_treeCtrl->EditLabel(item);
 514 }
 515
 516 void MyFrame::OnCount(wxCommandEvent& WXUNUSED(event))
 517 {
 518     wxTreeItemId item = m_treeCtrl->GetFocusedItem();
 519
 520     CHECK_ITEM( item );
 521
 522     int i = m_treeCtrl->GetChildrenCount( item, false );
 523
 524     wxLogMessage(wxT("%d children"), i);
 525 }
 526
 527 void MyFrame::OnCountRec(wxCommandEvent& WXUNUSED(event))
 528 {
 529     wxTreeItemId item = m_treeCtrl->GetFocusedItem();
 530
 531     CHECK_ITEM( item );
 532
 533     int i = m_treeCtrl->GetChildrenCount( item );
 534
 535     wxLogMessage(wxT("%d children"), i);
 536 }
 537
 538 void MyFrame::DoSort(bool reverse)
 539 {
 540     wxTreeItemId item = m_treeCtrl->GetFocusedItem();
 541
 542     CHECK_ITEM( item );
 543
 544     m_treeCtrl->DoSortChildren(item, reverse);
 545 }
 546
 547 void MyFrame::OnHighlight(wxCommandEvent& WXUNUSED(event))
 548 {
 549     wxTreeItemId id = m_treeCtrl->GetFocusedItem();
 550
 551     CHECK_ITEM( id );
 552
 553     wxRect r;
 554     if ( !m_treeCtrl->GetBoundingRect(id, r, true /* text, not full row */) )
 555     {
 556         wxLogMessage(wxT("Failed to get bounding item rect"));
 557         return;
 558     }
 559
 560     wxClientDC dc(m_treeCtrl);
 561     dc.SetBrush(*wxRED);
 562     dc.SetPen(*wxTRANSPARENT_PEN);
 563     dc.DrawRectangle(r);
 564     m_treeCtrl->Update();
 565 }
 566
 567 void MyFrame::OnDump(wxCommandEvent& WXUNUSED(event))
 568 {
 569     wxTreeItemId root = m_treeCtrl->GetFocusedItem();
 570
 571     CHECK_ITEM( root );
 572
 573     m_treeCtrl->GetItemsRecursively(root);
 574 }
 575
 576 #ifndef NO_MULTIPLE_SELECTION
 577
 578 void MyFrame::OnToggleSel(wxCommandEvent& event)
 579 {
 580     TogStyle(event.GetId(), wxTR_MULTIPLE);
 581 }
 582
 583 void MyFrame::OnDumpSelected(wxCommandEvent& WXUNUSED(event))
 584 {
 585     wxArrayTreeItemIds array;
 586
 587     size_t count = m_treeCtrl->GetSelections(array);
 588     wxLogMessage(wxT("%u items selected"), unsigned(count));
 589
 590     for ( size_t n = 0; n < count; n++ )
 591     {
 592         wxLogMessage(wxT("\t%s"), m_treeCtrl->GetItemText(array.Item(n)).c_str());
 593     }
 594 }
 595
 596 void MyFrame::OnSelect(wxCommandEvent& WXUNUSED(event))
 597 {
 598     m_treeCtrl->SelectItem(m_treeCtrl->GetFocusedItem());
 599 }
 600
 601 void MyFrame::OnSelectRoot(wxCommandEvent& WXUNUSED(event))
 602 {
 603     if ( !m_treeCtrl->HasFlag(wxTR_HIDE_ROOT) )
 604         m_treeCtrl->SelectItem(m_treeCtrl->GetRootItem());
 605 }
 606
 607 void MyFrame::OnSetFocusedRoot(wxCommandEvent& WXUNUSED(event))
 608 {
 609     if ( !m_treeCtrl->HasFlag(wxTR_HIDE_ROOT) )
 610         m_treeCtrl->SetFocusedItem(m_treeCtrl->GetRootItem());
 611 }
 612
 613 void MyFrame::OnClearFocused(wxCommandEvent& WXUNUSED(event))
 614 {
 615     m_treeCtrl->ClearFocusedItem();
 616 }
 617
 618 void MyFrame::OnUnselect(wxCommandEvent& WXUNUSED(event))
 619 {
 620     m_treeCtrl->UnselectAll();
 621 }
 622
 623 void MyFrame::OnSelectChildren(wxCommandEvent& WXUNUSED(event))
 624 {
 625     wxTreeItemId item = m_treeCtrl->GetFocusedItem();
 626     if ( !item.IsOk() )
 627         item = m_treeCtrl->GetRootItem();
 628
 629     m_treeCtrl->SelectChildren(item);
 630 }
 631
 632 #endif // NO_MULTIPLE_SELECTION
 633
 634 void MyFrame::DoSetBold(bool bold)
 635 {
 636     wxTreeItemId item = m_treeCtrl->GetFocusedItem();
 637
 638     CHECK_ITEM( item );
 639
 640     m_treeCtrl->SetItemBold(item, bold);
 641 }
 642
 643 void MyFrame::OnDelete(wxCommandEvent& WXUNUSED(event))
 644 {
 645     wxTreeItemId item = m_treeCtrl->GetFocusedItem();
 646
 647     CHECK_ITEM( item );
 648
 649     m_treeCtrl->Delete(item);
 650 }
 651
 652 void MyFrame::OnDeleteChildren(wxCommandEvent& WXUNUSED(event))
 653 {
 654     wxTreeItemId item = m_treeCtrl->GetFocusedItem();
 655
 656     CHECK_ITEM( item );
 657
 658     m_treeCtrl->DeleteChildren(item);
 659 }
 660
 661 void MyFrame::OnDeleteAll(wxCommandEvent& WXUNUSED(event))
 662 {
 663     m_treeCtrl->DeleteAllItems();
 664 }
 665
 666 void MyFrame::OnRecreate(wxCommandEvent& event)
 667 {
 668     OnDeleteAll(event);
 669     m_treeCtrl->AddTestItemsToTree(NUM_CHILDREN_PER_LEVEL, NUM_LEVELS);
 670 }
 671
 672 void MyFrame::OnSetImageSize(wxCommandEvent& WXUNUSED(event))
 673 {
 674     int size = wxGetNumberFromUser(wxT("Enter the size for the images to use"),
 675                                     wxT("Size: "),
 676                                     wxT("TreeCtrl sample"),
 677                                     m_treeCtrl->ImageSize());
 678     if ( size == -1 )
 679         return;
 680
 681     m_treeCtrl->CreateImageList(size);
 682     wxGetApp().SetShowImages(true);
 683 }
 684
 685 void MyFrame::OnToggleImages(wxCommandEvent& WXUNUSED(event))
 686 {
 687     if ( wxGetApp().ShowImages() )
 688     {
 689         m_treeCtrl->CreateImageList(-1);
 690         wxGetApp().SetShowImages(false);
 691     }
 692     else
 693     {
 694         m_treeCtrl->CreateImageList(0);
 695         wxGetApp().SetShowImages(true);
 696     }
 697 }
 698
 699 void MyFrame::OnToggleStates(wxCommandEvent& WXUNUSED(event))
 700 {
 701     if ( wxGetApp().ShowStates() )
 702     {
 703         m_treeCtrl->CreateStateImageList(true);
 704         wxGetApp().SetShowStates(false);
 705     }
 706     else
 707     {
 708         m_treeCtrl->CreateStateImageList(false);
 709         wxGetApp().SetShowStates(true);
 710     }
 711 }
 712
 713 void MyFrame::OnToggleBell(wxCommandEvent& event)
 714 {
 715     m_treeCtrl->EnableBellOnNoMatch(event.IsChecked());
 716 }
 717
 718 void MyFrame::OnToggleAlternateImages(wxCommandEvent& WXUNUSED(event))
 719 {
 720     bool alternateImages = m_treeCtrl->AlternateImages();
 721
 722     m_treeCtrl->SetAlternateImages(!alternateImages);
 723     m_treeCtrl->CreateImageList(0);
 724 }
 725
 726 void MyFrame::OnToggleAlternateStates(wxCommandEvent& WXUNUSED(event))
 727 {
 728     bool alternateStates = m_treeCtrl->AlternateStates();
 729
 730     m_treeCtrl->SetAlternateStates(!alternateStates);
 731     m_treeCtrl->CreateStateImageList();
 732
 733     // normal states < alternate states
 734     // so we must reset broken states
 735     if ( alternateStates )
 736         m_treeCtrl->ResetBrokenStateImages();
 737 }
 738
 739 void MyFrame::OnToggleButtons(wxCommandEvent& WXUNUSED(event))
 740 {
 741 #if USE_GENERIC_TREECTRL || !defined(__WXMSW__)
 742     if ( wxGetApp().ShowButtons() )
 743     {
 744         m_treeCtrl->CreateButtonsImageList(-1);
 745         wxGetApp().SetShowButtons(false);
 746     }
 747     else
 748     {
 749         m_treeCtrl->CreateButtonsImageList(15);
 750         wxGetApp().SetShowButtons(true);
 751     }
 752 #endif
 753 }
 754
 755 void MyFrame::OnCollapseAndReset(wxCommandEvent& WXUNUSED(event))
 756 {
 757     m_treeCtrl->CollapseAndReset(m_treeCtrl->GetRootItem());
 758 }
 759
 760 void MyFrame::OnEnsureVisible(wxCommandEvent& WXUNUSED(event))
 761 {
 762     m_treeCtrl->DoEnsureVisible();
 763 }
 764
 765 void MyFrame::OnSetFocus(wxCommandEvent& WXUNUSED(event))
 766 {
 767     m_treeCtrl->SetFocus();
 768 }
 769
 770 void MyFrame::OnInsertItem(wxCommandEvent& WXUNUSED(event))
 771 {
 772     int image = wxGetApp().ShowImages() ? MyTreeCtrl::TreeCtrlIcon_File : -1;
 773     m_treeCtrl->InsertItem(m_treeCtrl->GetRootItem(), image, wxT("2nd item"));
 774 }
 775
 776 void MyFrame::OnAddItem(wxCommandEvent& WXUNUSED(event))
 777 {
 778     static int s_num = 0;
 779
 780     wxString text;
 781     text.Printf(wxT("Item #%d"), ++s_num);
 782
 783     m_treeCtrl->AppendItem(m_treeCtrl->GetRootItem(),
 784                            text /*,
 785                            MyTreeCtrl::TreeCtrlIcon_File */ );
 786 }
 787
 788 void MyFrame::OnAddManyItems(wxCommandEvent& WXUNUSED(event))
 789 {
 790     wxWindowUpdateLocker lockUpdates(this);
 791
 792     const wxTreeItemId root = m_treeCtrl->GetRootItem();
 793     for ( int n = 0; n < 1000; n++ )
 794     {
 795         m_treeCtrl->AppendItem(root, wxString::Format("Item #%03d", n));
 796     }
 797 }
 798
 799 void MyFrame::OnIncIndent(wxCommandEvent& WXUNUSED(event))
 800 {
 801     unsigned int indent = m_treeCtrl->GetIndent();
 802     if (indent < 100)
 803         m_treeCtrl->SetIndent( indent+5 );
 804 }
 805
 806 void MyFrame::OnDecIndent(wxCommandEvent& WXUNUSED(event))
 807 {
 808     unsigned int indent = m_treeCtrl->GetIndent();
 809     if (indent > 10)
 810         m_treeCtrl->SetIndent( indent-5 );
 811 }
 812
 813 void MyFrame::OnIncSpacing(wxCommandEvent& WXUNUSED(event))
 814 {
 815     unsigned int indent = m_treeCtrl->GetSpacing();
 816     if (indent < 100)
 817     {
 818         m_treeCtrl->SetSpacing( indent+5 );
 819         m_treeCtrl->Refresh();
 820     }
 821 }
 822
 823 void MyFrame::OnDecSpacing(wxCommandEvent& WXUNUSED(event))
 824 {
 825     unsigned int indent = m_treeCtrl->GetSpacing();
 826     if (indent > 10)
 827     {
 828         m_treeCtrl->SetSpacing( indent-5 );
 829         m_treeCtrl->Refresh();
 830     }
 831 }
 832
 833 void MyFrame::OnToggleIcon(wxCommandEvent& WXUNUSED(event))
 834 {
 835     wxTreeItemId item = m_treeCtrl->GetFocusedItem();
 836
 837     CHECK_ITEM( item );
 838
 839     m_treeCtrl->DoToggleIcon(item);
 840 }
 841
 842 void MyFrame::OnToggleState(wxCommandEvent& WXUNUSED(event))
 843 {
 844     wxTreeItemId item = m_treeCtrl->GetFocusedItem();
 845
 846     CHECK_ITEM( item );
 847
 848     m_treeCtrl->DoToggleState(item);
 849 }
 850
 851 void MyFrame::DoShowFirstOrLast(TreeFunc0_t pfn, const wxString& label)
 852 {
 853     const wxTreeItemId item = (m_treeCtrl->*pfn)();
 854
 855     if ( !item.IsOk() )
 856     {
 857         wxLogMessage("There is no %s item", label);
 858     }
 859     else
 860     {
 861         wxLogMessage("The %s item is \"%s\"",
 862                      label, m_treeCtrl->GetItemText(item));
 863     }
 864 }
 865
 866 void MyFrame::DoShowRelativeItem(TreeFunc1_t pfn, const wxString& label)
 867 {
 868     wxTreeItemId item = m_treeCtrl->GetFocusedItem();
 869
 870     CHECK_ITEM( item );
 871
 872     if ((pfn == (TreeFunc1_t) &wxTreeCtrl::GetPrevVisible
 873          || pfn == (TreeFunc1_t) &wxTreeCtrl::GetNextVisible)
 874         && !m_treeCtrl->IsVisible(item))
 875     {
 876         wxLogMessage("The selected item must be visible.");
 877         return;
 878     }
 879
 880     wxTreeItemId new_item = (m_treeCtrl->*pfn)(item);
 881
 882     if ( !new_item.IsOk() )
 883     {
 884         wxLogMessage("There is no %s item", label);
 885     }
 886     else
 887     {
 888         wxLogMessage("The %s item is \"%s\"",
 889                      label, m_treeCtrl->GetItemText(new_item));
 890     }
 891 }
 892
 893 void MyFrame::OnScrollTo(wxCommandEvent& WXUNUSED(event))
 894 {
 895     // scroll to the last but one top level child
 896     wxTreeItemId item = m_treeCtrl->GetPrevSibling(
 897                             m_treeCtrl->GetLastChild(
 898                                 m_treeCtrl->GetRootItem()));
 899     CHECK_ITEM( item );
 900
 901     m_treeCtrl->ScrollTo(item);
 902 }
 903
 904 void MyFrame::OnSelectLast(wxCommandEvent& WXUNUSED(event))
 905 {
 906     // select the very last item of the tree
 907     wxTreeItemId item = m_treeCtrl->GetRootItem();
 908     for ( ;; )
 909     {
 910         wxTreeItemId itemChild = m_treeCtrl->GetLastChild(item);
 911         if ( !itemChild.IsOk() )
 912             break;
 913
 914         item = itemChild;
 915     }
 916
 917     CHECK_ITEM( item );
 918
 919     m_treeCtrl->SelectItem(item);
 920 }
 921
 922 void MyFrame::OnSetFgColour(wxCommandEvent& WXUNUSED(event))
 923 {
 924     wxColour col = wxGetColourFromUser(this, m_treeCtrl->GetForegroundColour());
 925     if ( col.IsOk() )
 926         m_treeCtrl->SetForegroundColour(col);
 927 }
 928
 929 void MyFrame::OnSetBgColour(wxCommandEvent& WXUNUSED(event))
 930 {
 931     wxColour col = wxGetColourFromUser(this, m_treeCtrl->GetBackgroundColour());
 932     if ( col.IsOk() )
 933         m_treeCtrl->SetBackgroundColour(col);
 934 }
 935
 936 // MyTreeCtrl implementation
 937 #if USE_GENERIC_TREECTRL
 938 IMPLEMENT_DYNAMIC_CLASS(MyTreeCtrl, wxGenericTreeCtrl)
 939 #else
 940 IMPLEMENT_DYNAMIC_CLASS(MyTreeCtrl, wxTreeCtrl)
 941 #endif
 942
 943 MyTreeCtrl::MyTreeCtrl(wxWindow *parent, const wxWindowID id,
 944                        const wxPoint& pos, const wxSize& size,
 945                        long style)
 946           : wxTreeCtrl(parent, id, pos, size, style),
 947             m_alternateImages(false),
 948             m_alternateStates(false)
 949 {
 950     m_reverseSort = false;
 951
 952     CreateImageList();
 953     CreateStateImageList();
 954
 955     // Add some items to the tree
 956     AddTestItemsToTree(NUM_CHILDREN_PER_LEVEL, NUM_LEVELS);
 957 }
 958
 959 void MyTreeCtrl::CreateImageList(int size)
 960 {
 961     if ( size == -1 )
 962     {
 963         SetImageList(NULL);
 964         return;
 965     }
 966     if ( size == 0 )
 967         size = m_imageSize;
 968     else
 969         m_imageSize = size;
 970
 971     // Make an image list containing small icons
 972     wxImageList *images = new wxImageList(size, size, true);
 973
 974     // should correspond to TreeCtrlIcon_xxx enum
 975     wxBusyCursor wait;
 976     wxIcon icons[5];
 977
 978     if (m_alternateImages)
 979     {
 980         icons[TreeCtrlIcon_File] = wxIcon(icon1_xpm);
 981         icons[TreeCtrlIcon_FileSelected] = wxIcon(icon2_xpm);
 982         icons[TreeCtrlIcon_Folder] = wxIcon(icon3_xpm);
 983         icons[TreeCtrlIcon_FolderSelected] = wxIcon(icon4_xpm);
 984         icons[TreeCtrlIcon_FolderOpened] = wxIcon(icon5_xpm);
 985     }
 986     else
 987     {
 988         wxSize iconSize(size, size);
 989
 990         icons[TreeCtrlIcon_File] =
 991         icons[TreeCtrlIcon_FileSelected] = wxArtProvider::GetIcon(wxART_NORMAL_FILE, wxART_LIST, iconSize);
 992         icons[TreeCtrlIcon_Folder] =
 993         icons[TreeCtrlIcon_FolderSelected] =
 994         icons[TreeCtrlIcon_FolderOpened] = wxArtProvider::GetIcon(wxART_FOLDER, wxART_LIST, iconSize);
 995     }
 996
 997     for ( size_t i = 0; i < WXSIZEOF(icons); i++ )
 998     {
 999         int sizeOrig = icons[0].GetWidth();
1000         if ( size == sizeOrig )
1001         {
1002             images->Add(icons[i]);
1003         }
1004         else
1005         {
1006             images->Add(wxBitmap(wxBitmap(icons[i]).ConvertToImage().Rescale(size, size)));
1007         }
1008     }
1009
1010     AssignImageList(images);
1011 }
1012
1013 void MyTreeCtrl::CreateStateImageList(bool del)
1014 {
1015     if ( del )
1016     {
1017         SetStateImageList(NULL);
1018         return;
1019     }
1020
1021     wxImageList *states;
1022     wxBusyCursor wait;
1023
1024     if (m_alternateStates)
1025     {
1026         wxIcon icons[5];
1027         icons[0] = wxIcon(state1_xpm);  // yellow
1028         icons[1] = wxIcon(state2_xpm);  // green
1029         icons[2] = wxIcon(state3_xpm);  // red
1030         icons[3] = wxIcon(state4_xpm);  // blue
1031         icons[4] = wxIcon(state5_xpm);  // black
1032
1033         int width  = icons[0].GetWidth(),
1034             height = icons[0].GetHeight();
1035
1036         // Make an state image list containing small icons
1037         states = new wxImageList(width, height, true);
1038
1039         for ( size_t i = 0; i < WXSIZEOF(icons); i++ )
1040             states->Add(icons[i]);
1041     }
1042     else
1043     {
1044         wxIcon icons[2];
1045         icons[0] = wxIcon(unchecked_xpm);
1046         icons[1] = wxIcon(checked_xpm);
1047
1048         int width  = icons[0].GetWidth(),
1049             height = icons[0].GetHeight();
1050
1051         // Make an state image list containing small icons
1052         states = new wxImageList(width, height, true);
1053
1054         for ( size_t i = 0; i < WXSIZEOF(icons); i++ )
1055             states->Add(icons[i]);
1056     }
1057
1058     AssignStateImageList(states);
1059 }
1060
1061 #if USE_GENERIC_TREECTRL || !defined(__WXMSW__)
1062 void MyTreeCtrl::CreateButtonsImageList(int size)
1063 {
1064     if ( size == -1 )
1065     {
1066         SetButtonsImageList(NULL);
1067         return;
1068     }
1069
1070     // Make an image list containing small icons
1071     wxImageList *images = new wxImageList(size, size, true);
1072
1073     // should correspond to TreeCtrlIcon_xxx enum
1074     wxBusyCursor wait;
1075     wxIcon icons[4];
1076
1077     if (m_alternateImages)
1078     {
1079         icons[0] = wxIcon(icon3_xpm);   // closed
1080         icons[1] = wxIcon(icon3_xpm);   // closed, selected
1081         icons[2] = wxIcon(icon5_xpm);   // open
1082         icons[3] = wxIcon(icon5_xpm);   // open, selected
1083     }
1084     else
1085     {
1086         wxSize iconSize(size, size);
1087
1088         icons[0] =                                                                 // closed
1089         icons[1] = wxArtProvider::GetIcon(wxART_FOLDER, wxART_LIST, iconSize);     // closed, selected
1090         icons[2] =                                                                 // open
1091         icons[3] = wxArtProvider::GetIcon(wxART_FOLDER_OPEN, wxART_LIST, iconSize);// open, selected
1092     }
1093
1094    for ( size_t i = 0; i < WXSIZEOF(icons); i++ )
1095     {
1096         int sizeOrig = icons[i].GetWidth();
1097         if ( size == sizeOrig )
1098         {
1099             images->Add(icons[i]);
1100         }
1101         else
1102         {
1103             images->Add(wxBitmap(wxBitmap(icons[i]).ConvertToImage().Rescale(size, size)));
1104         }
1105     }
1106
1107     AssignButtonsImageList(images);
1108 #else
1109 void MyTreeCtrl::CreateButtonsImageList(int WXUNUSED(size))
1110 {
1111 #endif
1112 }
1113
1114 int MyTreeCtrl::OnCompareItems(const wxTreeItemId& item1,
1115                                const wxTreeItemId& item2)
1116 {
1117     if ( m_reverseSort )
1118     {
1119         // just exchange 1st and 2nd items
1120         return wxTreeCtrl::OnCompareItems(item2, item1);
1121     }
1122     else
1123     {
1124         return wxTreeCtrl::OnCompareItems(item1, item2);
1125     }
1126 }
1127
1128 void MyTreeCtrl::AddItemsRecursively(const wxTreeItemId& idParent,
1129                                      size_t numChildren,
1130                                      size_t depth,
1131                                      size_t folder)
1132 {
1133     if ( depth > 0 )
1134     {
1135         bool hasChildren = depth > 1;
1136
1137         wxString str;
1138         for ( size_t n = 0; n < numChildren; n++ )
1139         {
1140             // at depth 1 elements won't have any more children
1141             if ( hasChildren )
1142                 str.Printf(wxT("%s child %u"), wxT("Folder"), unsigned(n + 1));
1143             else
1144                 str.Printf(wxT("%s child %u.%u"), wxT("File"), unsigned(folder), unsigned(n + 1));
1145
1146             // here we pass to AppendItem() normal and selected item images (we
1147             // suppose that selected image follows the normal one in the enum)
1148             int image, imageSel;
1149             if ( wxGetApp().ShowImages() )
1150             {
1151                 image = depth == 1 ? TreeCtrlIcon_File : TreeCtrlIcon_Folder;
1152                 imageSel = image + 1;
1153             }
1154             else
1155             {
1156                 image = imageSel = -1;
1157             }
1158             wxTreeItemId id = AppendItem(idParent, str, image, imageSel,
1159                                          new MyTreeItemData(str));
1160
1161             if ( wxGetApp().ShowStates() )
1162                 SetItemState(id, 0);
1163
1164             // and now we also set the expanded one (only for the folders)
1165             if ( hasChildren && wxGetApp().ShowImages() )
1166             {
1167                 SetItemImage(id, TreeCtrlIcon_FolderOpened,
1168                              wxTreeItemIcon_Expanded);
1169             }
1170
1171             // remember the last child for OnEnsureVisible()
1172             if ( !hasChildren && n == numChildren - 1 )
1173             {
1174                 m_lastItem = id;
1175             }
1176
1177             AddItemsRecursively(id, numChildren, depth - 1, n + 1);
1178         }
1179     }
1180     //else: done!
1181 }
1182
1183 void MyTreeCtrl::AddTestItemsToTree(size_t numChildren,
1184                                     size_t depth)
1185 {
1186     int image = wxGetApp().ShowImages() ? MyTreeCtrl::TreeCtrlIcon_Folder : -1;
1187     wxTreeItemId rootId = AddRoot(wxT("Root"),
1188                                   image, image,
1189                                   new MyTreeItemData(wxT("Root item")));
1190     if ( !HasFlag(wxTR_HIDE_ROOT) && image != -1 )
1191     {
1192         SetItemImage(rootId, TreeCtrlIcon_FolderOpened, wxTreeItemIcon_Expanded);
1193     }
1194
1195     AddItemsRecursively(rootId, numChildren, depth, 0);
1196
1197     // set some colours/fonts for testing
1198     if ( !HasFlag(wxTR_HIDE_ROOT) )
1199         SetItemFont(rootId, *wxITALIC_FONT);
1200
1201     wxTreeItemIdValue cookie;
1202     wxTreeItemId id = GetFirstChild(rootId, cookie);
1203     SetItemTextColour(id, *wxBLUE);
1204
1205     id = GetNextChild(rootId, cookie);
1206     if ( id )
1207         id = GetNextChild(rootId, cookie);
1208     if ( id )
1209     {
1210         SetItemTextColour(id, *wxRED);
1211         SetItemBackgroundColour(id, *wxLIGHT_GREY);
1212     }
1213 }
1214
1215 void MyTreeCtrl::GetItemsRecursively(const wxTreeItemId& idParent,
1216                                      wxTreeItemIdValue cookie)
1217 {
1218     wxTreeItemId id;
1219
1220     if ( !cookie )
1221         id = GetFirstChild(idParent, cookie);
1222     else
1223         id = GetNextChild(idParent, cookie);
1224
1225     if ( !id.IsOk() )
1226         return;
1227
1228     wxString text = GetItemText(id);
1229     wxLogMessage(text);
1230
1231     if (ItemHasChildren(id))
1232         GetItemsRecursively(id);
1233
1234     GetItemsRecursively(idParent, cookie);
1235 }
1236
1237 void MyTreeCtrl::DoToggleIcon(const wxTreeItemId& item)
1238 {
1239     int image = GetItemImage(item) == TreeCtrlIcon_Folder
1240                     ? TreeCtrlIcon_File
1241                     : TreeCtrlIcon_Folder;
1242     SetItemImage(item, image, wxTreeItemIcon_Normal);
1243
1244     image = GetItemImage(item, wxTreeItemIcon_Selected) == TreeCtrlIcon_FolderSelected
1245                     ? TreeCtrlIcon_FileSelected
1246                     : TreeCtrlIcon_FolderSelected;
1247     SetItemImage(item, image, wxTreeItemIcon_Selected);
1248 }
1249
1250 void MyTreeCtrl::DoToggleState(const wxTreeItemId& item)
1251 {
1252     if ( m_alternateStates )
1253     {
1254         // sets random state unlike current
1255         int state = GetItemState(item);
1256         int nState;
1257
1258         srand (time(NULL));
1259         do {
1260             nState = rand() % GetStateImageList()->GetImageCount();
1261         } while (nState == state);
1262
1263         SetItemState(item, nState);
1264     }
1265     else
1266     {
1267         // we have only 2 checkbox states, so next state will be reversed
1268         SetItemState(item, wxTREE_ITEMSTATE_NEXT);
1269     }
1270 }
1271
1272 void MyTreeCtrl::DoResetBrokenStateImages(const wxTreeItemId& idParent,
1273                                           wxTreeItemIdValue cookie, int state)
1274 {
1275     wxTreeItemId id;
1276
1277     if ( !cookie )
1278         id = GetFirstChild(idParent, cookie);
1279     else
1280         id = GetNextChild(idParent, cookie);
1281
1282     if ( !id.IsOk() )
1283         return;
1284
1285     int curState = GetItemState(id);
1286     if ( curState != wxTREE_ITEMSTATE_NONE && curState > state )
1287         SetItemState(id, state);
1288
1289     if (ItemHasChildren(id))
1290         DoResetBrokenStateImages(id, 0, state);
1291
1292     DoResetBrokenStateImages(idParent, cookie, state);
1293 }
1294
1295 void MyTreeCtrl::LogEvent(const wxChar *name, const wxTreeEvent& event)
1296 {
1297     wxTreeItemId item = event.GetItem();
1298     wxString text;
1299     if ( item.IsOk() )
1300         text << wxT('"') << GetItemText(item).c_str() << wxT('"');
1301     else
1302         text = wxT("invalid item");
1303     wxLogMessage(wxT("%s(%s)"), name, text.c_str());
1304 }
1305
1306 // avoid repetition
1307 #define TREE_EVENT_HANDLER(name)                                 \
1308 void MyTreeCtrl::name(wxTreeEvent& event)                        \
1309 {                                                                \
1310     LogEvent(wxT(#name), event);                                  \
1311     SetLastItem(wxTreeItemId());                                 \
1312     event.Skip();                                                \
1313 }
1314
1315 TREE_EVENT_HANDLER(OnBeginRDrag)
1316 TREE_EVENT_HANDLER(OnDeleteItem)
1317 TREE_EVENT_HANDLER(OnGetInfo)
1318 TREE_EVENT_HANDLER(OnSetInfo)
1319 TREE_EVENT_HANDLER(OnItemExpanded)
1320 TREE_EVENT_HANDLER(OnItemExpanding)
1321 TREE_EVENT_HANDLER(OnItemCollapsed)
1322 TREE_EVENT_HANDLER(OnSelChanged)
1323 TREE_EVENT_HANDLER(OnSelChanging)
1324
1325 #undef TREE_EVENT_HANDLER
1326
1327 void LogKeyEvent(const wxChar *name, const wxKeyEvent& event)
1328 {
1329     wxString key;
1330     long keycode = event.GetKeyCode();
1331     {
1332         switch ( keycode )
1333         {
1334             case WXK_BACK: key = wxT("BACK"); break;
1335             case WXK_TAB: key = wxT("TAB"); break;
1336             case WXK_RETURN: key = wxT("RETURN"); break;
1337             case WXK_ESCAPE: key = wxT("ESCAPE"); break;
1338             case WXK_SPACE: key = wxT("SPACE"); break;
1339             case WXK_DELETE: key = wxT("DELETE"); break;
1340             case WXK_START: key = wxT("START"); break;
1341             case WXK_LBUTTON: key = wxT("LBUTTON"); break;
1342             case WXK_RBUTTON: key = wxT("RBUTTON"); break;
1343             case WXK_CANCEL: key = wxT("CANCEL"); break;
1344             case WXK_MBUTTON: key = wxT("MBUTTON"); break;
1345             case WXK_CLEAR: key = wxT("CLEAR"); break;
1346             case WXK_SHIFT: key = wxT("SHIFT"); break;
1347             case WXK_ALT: key = wxT("ALT"); break;
1348             case WXK_CONTROL: key = wxT("CONTROL"); break;
1349             case WXK_MENU: key = wxT("MENU"); break;
1350             case WXK_PAUSE: key = wxT("PAUSE"); break;
1351             case WXK_CAPITAL: key = wxT("CAPITAL"); break;
1352             case WXK_END: key = wxT("END"); break;
1353             case WXK_HOME: key = wxT("HOME"); break;
1354             case WXK_LEFT: key = wxT("LEFT"); break;
1355             case WXK_UP: key = wxT("UP"); break;
1356             case WXK_RIGHT: key = wxT("RIGHT"); break;
1357             case WXK_DOWN: key = wxT("DOWN"); break;
1358             case WXK_SELECT: key = wxT("SELECT"); break;
1359             case WXK_PRINT: key = wxT("PRINT"); break;
1360             case WXK_EXECUTE: key = wxT("EXECUTE"); break;
1361             case WXK_SNAPSHOT: key = wxT("SNAPSHOT"); break;
1362             case WXK_INSERT: key = wxT("INSERT"); break;
1363             case WXK_HELP: key = wxT("HELP"); break;
1364             case WXK_NUMPAD0: key = wxT("NUMPAD0"); break;
1365             case WXK_NUMPAD1: key = wxT("NUMPAD1"); break;
1366             case WXK_NUMPAD2: key = wxT("NUMPAD2"); break;
1367             case WXK_NUMPAD3: key = wxT("NUMPAD3"); break;
1368             case WXK_NUMPAD4: key = wxT("NUMPAD4"); break;
1369             case WXK_NUMPAD5: key = wxT("NUMPAD5"); break;
1370             case WXK_NUMPAD6: key = wxT("NUMPAD6"); break;
1371             case WXK_NUMPAD7: key = wxT("NUMPAD7"); break;
1372             case WXK_NUMPAD8: key = wxT("NUMPAD8"); break;
1373             case WXK_NUMPAD9: key = wxT("NUMPAD9"); break;
1374             case WXK_MULTIPLY: key = wxT("MULTIPLY"); break;
1375             case WXK_ADD: key = wxT("ADD"); break;
1376             case WXK_SEPARATOR: key = wxT("SEPARATOR"); break;
1377             case WXK_SUBTRACT: key = wxT("SUBTRACT"); break;
1378             case WXK_DECIMAL: key = wxT("DECIMAL"); break;
1379             case WXK_DIVIDE: key = wxT("DIVIDE"); break;
1380             case WXK_F1: key = wxT("F1"); break;
1381             case WXK_F2: key = wxT("F2"); break;
1382             case WXK_F3: key = wxT("F3"); break;
1383             case WXK_F4: key = wxT("F4"); break;
1384             case WXK_F5: key = wxT("F5"); break;
1385             case WXK_F6: key = wxT("F6"); break;
1386             case WXK_F7: key = wxT("F7"); break;
1387             case WXK_F8: key = wxT("F8"); break;
1388             case WXK_F9: key = wxT("F9"); break;
1389             case WXK_F10: key = wxT("F10"); break;
1390             case WXK_F11: key = wxT("F11"); break;
1391             case WXK_F12: key = wxT("F12"); break;
1392             case WXK_F13: key = wxT("F13"); break;
1393             case WXK_F14: key = wxT("F14"); break;
1394             case WXK_F15: key = wxT("F15"); break;
1395             case WXK_F16: key = wxT("F16"); break;
1396             case WXK_F17: key = wxT("F17"); break;
1397             case WXK_F18: key = wxT("F18"); break;
1398             case WXK_F19: key = wxT("F19"); break;
1399             case WXK_F20: key = wxT("F20"); break;
1400             case WXK_F21: key = wxT("F21"); break;
1401             case WXK_F22: key = wxT("F22"); break;
1402             case WXK_F23: key = wxT("F23"); break;
1403             case WXK_F24: key = wxT("F24"); break;
1404             case WXK_NUMLOCK: key = wxT("NUMLOCK"); break;
1405             case WXK_SCROLL: key = wxT("SCROLL"); break;
1406             case WXK_PAGEUP: key = wxT("PAGEUP"); break;
1407             case WXK_PAGEDOWN: key = wxT("PAGEDOWN"); break;
1408             case WXK_NUMPAD_SPACE: key = wxT("NUMPAD_SPACE"); break;
1409             case WXK_NUMPAD_TAB: key = wxT("NUMPAD_TAB"); break;
1410             case WXK_NUMPAD_ENTER: key = wxT("NUMPAD_ENTER"); break;
1411             case WXK_NUMPAD_F1: key = wxT("NUMPAD_F1"); break;
1412             case WXK_NUMPAD_F2: key = wxT("NUMPAD_F2"); break;
1413             case WXK_NUMPAD_F3: key = wxT("NUMPAD_F3"); break;
1414             case WXK_NUMPAD_F4: key = wxT("NUMPAD_F4"); break;
1415             case WXK_NUMPAD_HOME: key = wxT("NUMPAD_HOME"); break;
1416             case WXK_NUMPAD_LEFT: key = wxT("NUMPAD_LEFT"); break;
1417             case WXK_NUMPAD_UP: key = wxT("NUMPAD_UP"); break;
1418             case WXK_NUMPAD_RIGHT: key = wxT("NUMPAD_RIGHT"); break;
1419             case WXK_NUMPAD_DOWN: key = wxT("NUMPAD_DOWN"); break;
1420             case WXK_NUMPAD_PAGEUP: key = wxT("NUMPAD_PAGEUP"); break;
1421             case WXK_NUMPAD_PAGEDOWN: key = wxT("NUMPAD_PAGEDOWN"); break;
1422             case WXK_NUMPAD_END: key = wxT("NUMPAD_END"); break;
1423             case WXK_NUMPAD_BEGIN: key = wxT("NUMPAD_BEGIN"); break;
1424             case WXK_NUMPAD_INSERT: key = wxT("NUMPAD_INSERT"); break;
1425             case WXK_NUMPAD_DELETE: key = wxT("NUMPAD_DELETE"); break;
1426             case WXK_NUMPAD_EQUAL: key = wxT("NUMPAD_EQUAL"); break;
1427             case WXK_NUMPAD_MULTIPLY: key = wxT("NUMPAD_MULTIPLY"); break;
1428             case WXK_NUMPAD_ADD: key = wxT("NUMPAD_ADD"); break;
1429             case WXK_NUMPAD_SEPARATOR: key = wxT("NUMPAD_SEPARATOR"); break;
1430             case WXK_NUMPAD_SUBTRACT: key = wxT("NUMPAD_SUBTRACT"); break;
1431             case WXK_NUMPAD_DECIMAL: key = wxT("NUMPAD_DECIMAL"); break;
1432
1433             default:
1434             {
1435                if ( keycode < 128 && wxIsprint((int)keycode) )
1436                    key.Printf(wxT("'%c'"), (char)keycode);
1437                else if ( keycode > 0 && keycode < 27 )
1438                    key.Printf(_("Ctrl-%c"), wxT('A') + keycode - 1);
1439                else
1440                    key.Printf(wxT("unknown (%ld)"), keycode);
1441             }
1442         }
1443     }
1444
1445     wxLogMessage( wxT("%s event: %s (flags = %c%c%c%c)"),
1446                   name,
1447                   key.c_str(),
1448                   event.ControlDown() ? wxT('C') : wxT('-'),
1449                   event.AltDown() ? wxT('A') : wxT('-'),
1450                   event.ShiftDown() ? wxT('S') : wxT('-'),
1451                   event.MetaDown() ? wxT('M') : wxT('-'));
1452 }
1453
1454 void MyTreeCtrl::OnTreeKeyDown(wxTreeEvent& event)
1455 {
1456     LogKeyEvent(wxT("Tree key down "), event.GetKeyEvent());
1457
1458     event.Skip();
1459 }
1460
1461 void MyTreeCtrl::OnBeginDrag(wxTreeEvent& event)
1462 {
1463     // need to explicitly allow drag
1464     if ( event.GetItem() != GetRootItem() )
1465     {
1466         m_draggedItem = event.GetItem();
1467
1468         wxPoint clientpt = event.GetPoint();
1469         wxPoint screenpt = ClientToScreen(clientpt);
1470
1471         wxLogMessage(wxT("OnBeginDrag: started dragging %s at screen coords (%i,%i)"),
1472                      GetItemText(m_draggedItem).c_str(),
1473                      screenpt.x, screenpt.y);
1474
1475         event.Allow();
1476     }
1477     else
1478     {
1479         wxLogMessage(wxT("OnBeginDrag: this item can't be dragged."));
1480     }
1481 }
1482
1483 void MyTreeCtrl::OnEndDrag(wxTreeEvent& event)
1484 {
1485     wxTreeItemId itemSrc = m_draggedItem,
1486                  itemDst = event.GetItem();
1487     m_draggedItem = (wxTreeItemId)0l;
1488
1489     // where to copy the item?
1490     if ( itemDst.IsOk() && !ItemHasChildren(itemDst) )
1491     {
1492         // copy to the parent then
1493         itemDst = GetItemParent(itemDst);
1494     }
1495
1496     if ( !itemDst.IsOk() )
1497     {
1498         wxLogMessage(wxT("OnEndDrag: can't drop here."));
1499
1500         return;
1501     }
1502
1503     wxString text = GetItemText(itemSrc);
1504     wxLogMessage(wxT("OnEndDrag: '%s' copied to '%s'."),
1505                  text.c_str(), GetItemText(itemDst).c_str());
1506
1507     // just do append here - we could also insert it just before/after the item
1508     // on which it was dropped, but this requires slightly more work... we also
1509     // completely ignore the client data and icon of the old item but could
1510     // copy them as well.
1511     //
1512     // Finally, we only copy one item here but we might copy the entire tree if
1513     // we were dragging a folder.
1514     int image = wxGetApp().ShowImages() ? TreeCtrlIcon_File : -1;
1515     wxTreeItemId id = AppendItem(itemDst, text, image);
1516
1517     if ( wxGetApp().ShowStates() )
1518         SetItemState(id, GetItemState(itemSrc));
1519 }
1520
1521 void MyTreeCtrl::OnBeginLabelEdit(wxTreeEvent& event)
1522 {
1523     wxLogMessage(wxT("OnBeginLabelEdit"));
1524
1525     // for testing, prevent this item's label editing
1526     wxTreeItemId itemId = event.GetItem();
1527     if ( IsTestItem(itemId) )
1528     {
1529         wxMessageBox(wxT("You can't edit this item."));
1530
1531         event.Veto();
1532     }
1533     else if ( itemId == GetRootItem() )
1534     {
1535         // test that it is possible to change the text of the item being edited
1536         SetItemText(itemId, wxT("Editing root item"));
1537     }
1538 }
1539
1540 void MyTreeCtrl::OnEndLabelEdit(wxTreeEvent& event)
1541 {
1542     wxLogMessage(wxT("OnEndLabelEdit"));
1543
1544     // don't allow anything except letters in the labels
1545     if ( !event.GetLabel().IsWord() )
1546     {
1547         wxMessageBox(wxT("The new label should be a single word."));
1548
1549         event.Veto();
1550     }
1551 }
1552
1553 void MyTreeCtrl::OnItemCollapsing(wxTreeEvent& event)
1554 {
1555     wxLogMessage(wxT("OnItemCollapsing"));
1556
1557     // for testing, prevent the user from collapsing the first child folder
1558     wxTreeItemId itemId = event.GetItem();
1559     if ( IsTestItem(itemId) )
1560     {
1561         wxMessageBox(wxT("You can't collapse this item."));
1562
1563         event.Veto();
1564     }
1565 }
1566
1567 void MyTreeCtrl::OnItemActivated(wxTreeEvent& event)
1568 {
1569     // show some info about this item
1570     wxTreeItemId itemId = event.GetItem();
1571     MyTreeItemData *item = (MyTreeItemData *)GetItemData(itemId);
1572
1573     if ( item != NULL )
1574     {
1575         item->ShowInfo(this);
1576     }
1577
1578     wxLogMessage(wxT("OnItemActivated"));
1579 }
1580
1581 void MyTreeCtrl::OnItemStateClick(wxTreeEvent& event)
1582 {
1583     // toggle item state
1584     wxTreeItemId itemId = event.GetItem();
1585     DoToggleState(itemId);
1586
1587     wxLogMessage(wxT("Item \"%s\" state changed to %d"),
1588                  GetItemText(itemId), GetItemState(itemId));
1589 }
1590
1591 void MyTreeCtrl::OnItemMenu(wxTreeEvent& event)
1592 {
1593     wxTreeItemId itemId = event.GetItem();
1594     wxCHECK_RET( itemId.IsOk(), "should have a valid item" );
1595
1596     MyTreeItemData *item = (MyTreeItemData *)GetItemData(itemId);
1597     wxPoint clientpt = event.GetPoint();
1598     wxPoint screenpt = ClientToScreen(clientpt);
1599
1600     wxLogMessage(wxT("OnItemMenu for item \"%s\" at screen coords (%i, %i)"),
1601                  item->GetDesc(), screenpt.x, screenpt.y);
1602
1603     ShowMenu(itemId, clientpt);
1604     event.Skip();
1605 }
1606
1607 void MyTreeCtrl::OnContextMenu(wxContextMenuEvent& event)
1608 {
1609     wxPoint pt = event.GetPosition();
1610
1611     wxLogMessage(wxT("OnContextMenu at screen coords (%i, %i)"), pt.x, pt.y);
1612
1613     event.Skip();
1614 }
1615
1616 void MyTreeCtrl::ShowMenu(wxTreeItemId id, const wxPoint& pt)
1617 {
1618     wxString title;
1619     if ( id.IsOk() )
1620     {
1621         title << wxT("Menu for ") << GetItemText(id);
1622     }
1623     else
1624     {
1625         title = wxT("Menu for no particular item");
1626     }
1627
1628 #if wxUSE_MENUS
1629     wxMenu menu(title);
1630     menu.Append(TreeTest_About, wxT("&About"));
1631     menu.AppendSeparator();
1632     menu.Append(TreeTest_Highlight, wxT("&Highlight item"));
1633     menu.Append(TreeTest_Dump, wxT("&Dump"));
1634
1635     PopupMenu(&menu, pt);
1636 #endif // wxUSE_MENUS
1637 }
1638
1639 void MyTreeCtrl::OnItemRClick(wxTreeEvent& event)
1640 {
1641     wxTreeItemId itemId = event.GetItem();
1642     wxCHECK_RET( itemId.IsOk(), "should have a valid item" );
1643
1644     MyTreeItemData *item = (MyTreeItemData *)GetItemData(itemId);
1645
1646     wxLogMessage(wxT("Item \"%s\" right clicked"), item->GetDesc());
1647
1648     event.Skip();
1649 }
1650
1651 void MyTreeCtrl::OnRMouseDown(wxMouseEvent& event)
1652 {
1653     wxLogMessage(wxT("Right mouse button down"));
1654
1655     event.Skip();
1656 }
1657
1658 void MyTreeCtrl::OnRMouseUp(wxMouseEvent& event)
1659 {
1660     wxLogMessage(wxT("Right mouse button up"));
1661
1662     event.Skip();
1663 }
1664
1665 void MyTreeCtrl::OnRMouseDClick(wxMouseEvent& event)
1666 {
1667     wxTreeItemId id = HitTest(event.GetPosition());
1668     if ( !id )
1669     {
1670         wxLogMessage(wxT("No item under mouse"));
1671     }
1672     else
1673     {
1674         MyTreeItemData *item = (MyTreeItemData *)GetItemData(id);
1675         if ( item )
1676         {
1677             wxLogMessage(wxT("Item '%s' under mouse"), item->GetDesc());
1678         }
1679     }
1680
1681     event.Skip();
1682 }
1683
1684 static inline const wxChar *Bool2String(bool b)
1685 {
1686     return b ? wxT("") : wxT("not ");
1687 }
1688
1689 void MyTreeItemData::ShowInfo(wxTreeCtrl *tree)
1690 {
1691     wxLogMessage(wxT("Item '%s': %sselected, %sexpanded, %sbold,\n")
1692                  wxT("%u children (%u immediately under this item)."),
1693                  m_desc.c_str(),
1694                  Bool2String(tree->IsSelected(GetId())),
1695                  Bool2String(tree->IsExpanded(GetId())),
1696                  Bool2String(tree->IsBold(GetId())),
1697                  unsigned(tree->GetChildrenCount(GetId())),
1698                  unsigned(tree->GetChildrenCount(GetId(), false)));
1699 }