implemented wxEventLoop for wxMac

[wxWidgets.git] / samples / treectrl / treetest.cpp

diff --git a/samples/treectrl/treetest.cpp b/samples/treectrl/treetest.cpp
index eb946008a7e1762f0a396e5474701c3acc9ebaaa..813cd3b75a38151b361dd4a0beb3cf0628a0cbd8 100644 (file)
--- a/samples/treectrl/treetest.cpp
+++ b/samples/treectrl/treetest.cpp
@@ -5,380 +5,1276 @@
 // Modified by:
 // Created:     04/01/98
 // RCS-ID:      $Id$
 // Modified by:
 // Created:     04/01/98
 // RCS-ID:      $Id$

-// Copyright:   (c) Julian Smart and Markus Holzem
-// Licence:    wxWindows license
+// Copyright:   (c) Julian Smart
+// Licence:     wxWindows license

 /////////////////////////////////////////////////////////////////////////////
 
 /////////////////////////////////////////////////////////////////////////////
 

-#ifdef __GNUG__
-#pragma implementation
-#pragma interface
-#endif
-

 // For compilers that support precompilation, includes "wx/wx.h".
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
 // For compilers that support precompilation, includes "wx/wx.h".
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__

-#pragma hdrstop
+  #pragma hdrstop

 #endif
 
 #ifndef WX_PRECOMP
 #endif
 
 #ifndef WX_PRECOMP

-#include "wx/wx.h"
+  #include "wx/wx.h"
+  #include "wx/log.h"

 #endif
 
 #endif
 

+#include "wx/colordlg.h"
+#include "wx/numdlg.h"
+
+#include "wx/image.h"
+#include "wx/imaglist.h"

 #include "wx/treectrl.h"
 #include "wx/treectrl.h"

+#include "wx/math.h"
+
+#ifdef __WIN32__
+    // this is not supported by native control
+    #define NO_VARIABLE_HEIGHT
+#endif

 
 #include "treetest.h"
 
 
 #include "treetest.h"
 

+#include "icon1.xpm"
+#include "icon2.xpm"
+#include "icon3.xpm"
+#include "icon4.xpm"
+#include "icon5.xpm"
+
+#if defined(__WXGTK__) || defined(__WXX11__) || defined(__WXMOTIF__) || defined(__WXMAC__) || defined(__WXMGL__)
+#include "mondrian.xpm"
+#endif
+
+
+// verify that the item is ok and insult the user if it is not
+#define CHECK_ITEM( item ) if ( !item.IsOk() ) {                                 \
+                             wxMessageBox(wxT("Please select some item first!"), \
+                                          wxT("Tree sample error"),              \
+                                          wxOK | wxICON_EXCLAMATION,             \
+                                          this);                                 \
+                             return;                                             \
+                           }
+
+#define MENU_LINK(name) EVT_MENU(TreeTest_##name, MyFrame::On##name)
+

 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 BEGIN_EVENT_TABLE(MyFrame, wxFrame)

-       EVT_MENU(TREE_QUIT, MyFrame::OnQuit)
-       EVT_MENU(TREE_ABOUT, MyFrame::OnAbout)
+    EVT_IDLE(MyFrame::OnIdle)
+    EVT_SIZE(MyFrame::OnSize)
+
+    MENU_LINK(Quit)
+    MENU_LINK(About)
+
+    MENU_LINK(TogButtons)
+    MENU_LINK(TogTwist)
+    MENU_LINK(TogLines)
+    MENU_LINK(TogEdit)
+    MENU_LINK(TogHideRoot)
+    MENU_LINK(TogRootLines)
+    MENU_LINK(TogBorder)
+    MENU_LINK(TogFullHighlight)
+    MENU_LINK(SetFgColour)
+    MENU_LINK(SetBgColour)
+    MENU_LINK(ResetStyle)
+
+    MENU_LINK(Dump)
+#ifndef NO_MULTIPLE_SELECTION
+    MENU_LINK(DumpSelected)
+    MENU_LINK(Select)
+    MENU_LINK(Unselect)
+    MENU_LINK(ToggleSel)
+#endif // NO_MULTIPLE_SELECTION
+    MENU_LINK(Rename)
+    MENU_LINK(Count)
+    MENU_LINK(CountRec)
+    MENU_LINK(Sort)
+    MENU_LINK(SortRev)
+    MENU_LINK(SetBold)
+    MENU_LINK(ClearBold)
+    MENU_LINK(Delete)
+    MENU_LINK(DeleteChildren)
+    MENU_LINK(DeleteAll)
+    MENU_LINK(Recreate)
+    MENU_LINK(ToggleImages)
+    MENU_LINK(ToggleButtons)
+    MENU_LINK(SetImageSize)
+    MENU_LINK(CollapseAndReset)
+    MENU_LINK(EnsureVisible)
+    MENU_LINK(AddItem)
+    MENU_LINK(InsertItem)
+    MENU_LINK(IncIndent)
+    MENU_LINK(DecIndent)
+    MENU_LINK(IncSpacing)
+    MENU_LINK(DecSpacing)
+    MENU_LINK(ToggleIcon)
+    MENU_LINK(SelectRoot)
+#undef MENU_LINK
+

 END_EVENT_TABLE()
 
 END_EVENT_TABLE()
 

+#if USE_GENERIC_TREECTRL
+BEGIN_EVENT_TABLE(MyTreeCtrl, wxGenericTreeCtrl)
+#else

 BEGIN_EVENT_TABLE(MyTreeCtrl, wxTreeCtrl)
 BEGIN_EVENT_TABLE(MyTreeCtrl, wxTreeCtrl)

-       EVT_TREE_BEGIN_DRAG(TREE_CTRL, MyTreeCtrl::OnBeginDrag)
-       EVT_TREE_BEGIN_RDRAG(TREE_CTRL, MyTreeCtrl::OnBeginRDrag)
-       EVT_TREE_BEGIN_LABEL_EDIT(TREE_CTRL, MyTreeCtrl::OnBeginLabelEdit)
-       EVT_TREE_END_LABEL_EDIT(TREE_CTRL, MyTreeCtrl::OnEndLabelEdit)
-       EVT_TREE_DELETE_ITEM(TREE_CTRL, MyTreeCtrl::OnDeleteItem)
-       EVT_TREE_GET_INFO(TREE_CTRL, MyTreeCtrl::OnGetInfo)
-       EVT_TREE_SET_INFO(TREE_CTRL, MyTreeCtrl::OnSetInfo)
-       EVT_TREE_ITEM_EXPANDED(TREE_CTRL, MyTreeCtrl::OnItemExpanded)
-       EVT_TREE_ITEM_EXPANDING(TREE_CTRL, MyTreeCtrl::OnItemExpanding)
-       EVT_TREE_SEL_CHANGED(TREE_CTRL, MyTreeCtrl::OnSelChanged)
-       EVT_TREE_SEL_CHANGING(TREE_CTRL, MyTreeCtrl::OnSelChanging)
-       EVT_TREE_KEY_DOWN(TREE_CTRL, MyTreeCtrl::OnKeyDown)
+#endif
+    EVT_TREE_BEGIN_DRAG(TreeTest_Ctrl, MyTreeCtrl::OnBeginDrag)
+    EVT_TREE_BEGIN_RDRAG(TreeTest_Ctrl, MyTreeCtrl::OnBeginRDrag)
+    EVT_TREE_END_DRAG(TreeTest_Ctrl, MyTreeCtrl::OnEndDrag)
+    EVT_TREE_BEGIN_LABEL_EDIT(TreeTest_Ctrl, MyTreeCtrl::OnBeginLabelEdit)
+    EVT_TREE_END_LABEL_EDIT(TreeTest_Ctrl, MyTreeCtrl::OnEndLabelEdit)
+    EVT_TREE_DELETE_ITEM(TreeTest_Ctrl, MyTreeCtrl::OnDeleteItem)
+#if 0       // there are so many of those that logging them causes flicker
+    EVT_TREE_GET_INFO(TreeTest_Ctrl, MyTreeCtrl::OnGetInfo)
+#endif
+    EVT_TREE_SET_INFO(TreeTest_Ctrl, MyTreeCtrl::OnSetInfo)
+    EVT_TREE_ITEM_EXPANDED(TreeTest_Ctrl, MyTreeCtrl::OnItemExpanded)
+    EVT_TREE_ITEM_EXPANDING(TreeTest_Ctrl, MyTreeCtrl::OnItemExpanding)
+    EVT_TREE_ITEM_COLLAPSED(TreeTest_Ctrl, MyTreeCtrl::OnItemCollapsed)
+    EVT_TREE_ITEM_COLLAPSING(TreeTest_Ctrl, MyTreeCtrl::OnItemCollapsing)
+
+    EVT_TREE_SEL_CHANGED(TreeTest_Ctrl, MyTreeCtrl::OnSelChanged)
+    EVT_TREE_SEL_CHANGING(TreeTest_Ctrl, MyTreeCtrl::OnSelChanging)
+    EVT_TREE_KEY_DOWN(TreeTest_Ctrl, MyTreeCtrl::OnTreeKeyDown)
+    EVT_TREE_ITEM_ACTIVATED(TreeTest_Ctrl, MyTreeCtrl::OnItemActivated)
+
+    // so many differents ways to handle right mouse button clicks...
+    EVT_CONTEXT_MENU(MyTreeCtrl::OnContextMenu)
+    // EVT_TREE_ITEM_MENU is the preferred event for creating context menus
+    // on a tree control, because it includes the point of the click or item,
+    // meaning that no additional placement calculations are required.
+    EVT_TREE_ITEM_MENU(TreeTest_Ctrl, MyTreeCtrl::OnItemMenu)
+    EVT_TREE_ITEM_RIGHT_CLICK(TreeTest_Ctrl, MyTreeCtrl::OnItemRClick)
+
+    EVT_RIGHT_DOWN(MyTreeCtrl::OnRMouseDown)
+    EVT_RIGHT_UP(MyTreeCtrl::OnRMouseUp)
+    EVT_RIGHT_DCLICK(MyTreeCtrl::OnRMouseDClick)

 END_EVENT_TABLE()
 
 IMPLEMENT_APP(MyApp)
 
 END_EVENT_TABLE()
 
 IMPLEMENT_APP(MyApp)
 

-// `Main program' equivalent, creating windows and returning main app frame
-bool MyApp::OnInit(void)
+bool MyApp::OnInit()

 {
 {

-  // Create the main frame window
-  MyFrame *frame = new MyFrame(NULL, "wxTreeCtrl Test", 50, 50, 450, 340);
+    // Create the main frame window
+    MyFrame *frame = new MyFrame(wxT("wxTreeCtrl Test"), 50, 50, 450, 600);
+
+    // Show the frame
+    frame->Show(true);
+    SetTopWindow(frame);
+
+    return true;
+}

 
 

-  // This reduces flicker effects - even better would be to define OnEraseBackground
-  // to do nothing. When the tree control's scrollbars are show or hidden, the
-  // frame is sent a background erase event.
-  frame->SetBackgroundColour(wxColour(255, 255, 255));

 
 

-  // Give it an icon
-#ifdef __WXMSW__
-  frame->SetIcon(wxIcon("mondrian"));
+// My frame constructor
+MyFrame::MyFrame(const wxString& title, int x, int y, int w, int h)
+       : wxFrame((wxFrame *)NULL, wxID_ANY, title, wxPoint(x, y), wxSize(w, h)),
+         m_treeCtrl(NULL)
+#if wxUSE_LOG
+         , m_textCtrl(NULL)
+#endif // wxUSE_LOG
+{
+    // This reduces flicker effects - even better would be to define
+    // OnEraseBackground to do nothing. When the tree control's scrollbars are
+    // show or hidden, the frame is sent a background erase event.
+    SetBackgroundColour(wxColour(255, 255, 255));
+
+    // Give it an icon
+    SetIcon(wxICON(mondrian));
+
+#if wxUSE_MENUS
+    // Make a menubar
+    wxMenu *file_menu = new wxMenu,
+           *style_menu = new wxMenu,
+           *tree_menu = new wxMenu,
+           *item_menu = new wxMenu;
+
+    file_menu->Append(TreeTest_About, wxT("&About..."));
+    file_menu->AppendSeparator();
+    file_menu->Append(TreeTest_Quit, wxT("E&xit\tAlt-X"));
+
+    style_menu->AppendCheckItem(TreeTest_TogButtons, wxT("Toggle &normal buttons"));
+    style_menu->AppendCheckItem(TreeTest_TogTwist, wxT("Toggle &twister buttons"));
+    style_menu->AppendCheckItem(TreeTest_ToggleButtons, wxT("Toggle image &buttons"));
+    style_menu->AppendSeparator();
+    style_menu->AppendCheckItem(TreeTest_TogLines, wxT("Toggle &connecting lines"));
+    style_menu->AppendCheckItem(TreeTest_TogRootLines, wxT("Toggle &lines at root"));
+    style_menu->AppendCheckItem(TreeTest_TogHideRoot, wxT("Toggle &hidden root"));
+    style_menu->AppendCheckItem(TreeTest_TogBorder, wxT("Toggle &item border"));
+    style_menu->AppendCheckItem(TreeTest_TogFullHighlight, wxT("Toggle &full row highlight"));
+    style_menu->AppendCheckItem(TreeTest_TogEdit, wxT("Toggle &edit mode"));
+#ifndef NO_MULTIPLE_SELECTION
+    style_menu->AppendCheckItem(TreeTest_ToggleSel, wxT("Toggle &selection mode"));
+#endif // NO_MULTIPLE_SELECTION
+    style_menu->AppendCheckItem(TreeTest_ToggleImages, wxT("Toggle show ima&ges"));
+    style_menu->Append(TreeTest_SetImageSize, wxT("Set image si&ze..."));
+    style_menu->AppendSeparator();
+    style_menu->Append(TreeTest_SetFgColour, wxT("Set &foreground colour..."));
+    style_menu->Append(TreeTest_SetBgColour, wxT("Set &background colour..."));
+    style_menu->AppendSeparator();
+    style_menu->Append(TreeTest_ResetStyle, wxT("&Reset to default\tF10"));
+
+    tree_menu->Append(TreeTest_Recreate, wxT("&Recreate the tree"));
+    tree_menu->Append(TreeTest_CollapseAndReset, wxT("C&ollapse and reset"));
+    tree_menu->AppendSeparator();
+    tree_menu->Append(TreeTest_AddItem, wxT("Append a &new item"));
+    tree_menu->Append(TreeTest_InsertItem, wxT("&Insert a new item"));
+    tree_menu->Append(TreeTest_Delete, wxT("&Delete this item"));
+    tree_menu->Append(TreeTest_DeleteChildren, wxT("Delete &children"));
+    tree_menu->Append(TreeTest_DeleteAll, wxT("Delete &all items"));
+    tree_menu->Append(TreeTest_SelectRoot, wxT("Select root item"));
+    tree_menu->AppendSeparator();
+    tree_menu->Append(TreeTest_Count, wxT("Count children of current item"));
+    tree_menu->Append(TreeTest_CountRec, wxT("Recursively count children of current item"));
+    tree_menu->AppendSeparator();
+    tree_menu->Append(TreeTest_Sort, wxT("Sort children of current item"));
+    tree_menu->Append(TreeTest_SortRev, wxT("Sort in reversed order"));
+    tree_menu->AppendSeparator();
+    tree_menu->Append(TreeTest_EnsureVisible, wxT("Make the last item &visible"));
+    tree_menu->AppendSeparator();
+    tree_menu->Append(TreeTest_IncIndent, wxT("Add 5 points to indentation\tAlt-I"));
+    tree_menu->Append(TreeTest_DecIndent, wxT("Reduce indentation by 5 points\tAlt-R"));
+    tree_menu->AppendSeparator();
+    tree_menu->Append(TreeTest_IncSpacing, wxT("Add 5 points to spacing\tCtrl-I"));
+    tree_menu->Append(TreeTest_DecSpacing, wxT("Reduce spacing by 5 points\tCtrl-R"));
+
+    item_menu->Append(TreeTest_Dump, wxT("&Dump item children"));
+    item_menu->Append(TreeTest_Rename, wxT("&Rename item..."));
+
+    item_menu->AppendSeparator();
+    item_menu->Append(TreeTest_SetBold, wxT("Make item &bold"));
+    item_menu->Append(TreeTest_ClearBold, wxT("Make item &not bold"));
+    item_menu->AppendSeparator();
+    item_menu->Append(TreeTest_ToggleIcon, wxT("Toggle the item's &icon"));
+
+#ifndef NO_MULTIPLE_SELECTION
+    item_menu->AppendSeparator();
+    item_menu->Append(TreeTest_DumpSelected, wxT("Dump selected items\tAlt-D"));
+    item_menu->Append(TreeTest_Select, wxT("Select current item\tAlt-S"));
+    item_menu->Append(TreeTest_Unselect, wxT("Unselect everything\tAlt-U"));
+#endif // NO_MULTIPLE_SELECTION
+
+    wxMenuBar *menu_bar = new wxMenuBar;
+    menu_bar->Append(file_menu, wxT("&File"));
+    menu_bar->Append(style_menu, wxT("&Style"));
+    menu_bar->Append(tree_menu, wxT("&Tree"));
+    menu_bar->Append(item_menu, wxT("&Item"));
+    SetMenuBar(menu_bar);
+#endif // wxUSE_MENUS
+
+#if wxUSE_LOG
+    // create the controls
+    m_textCtrl = new wxTextCtrl(this, wxID_ANY, wxT(""),
+                                wxDefaultPosition, wxDefaultSize,
+                                wxTE_MULTILINE | wxSUNKEN_BORDER);
+#endif // wxUSE_LOG
+
+    CreateTreeWithDefStyle();
+
+    menu_bar->Check(TreeTest_ToggleImages, true);
+
+#if wxUSE_STATUSBAR
+    // create a status bar
+    CreateStatusBar(2);
+#endif // wxUSE_STATUSBAR
+
+#if wxUSE_LOG
+#ifdef __WXMOTIF__
+    // For some reason, we get a memcpy crash in wxLogStream::DoLogStream
+    // on gcc/wxMotif, if we use wxLogTextCtl. Maybe it's just gcc?
+    delete wxLog::SetActiveTarget(new wxLogStderr);
+#else
+    // set our text control as the log target
+    wxLogTextCtrl *logWindow = new wxLogTextCtrl(m_textCtrl);
+    delete wxLog::SetActiveTarget(logWindow);

 #endif
 #endif

-#ifdef __X__
-  frame->SetIcon(wxIcon("aiai.xbm"));
+#endif // wxUSE_LOG
+}
+
+MyFrame::~MyFrame()
+{
+#if wxUSE_LOG
+    delete wxLog::SetActiveTarget(NULL);
+#endif // wxUSE_LOG
+}
+
+void MyFrame::CreateTreeWithDefStyle()
+{
+    long style = wxTR_DEFAULT_STYLE |
+#ifndef NO_VARIABLE_HEIGHT
+                 wxTR_HAS_VARIABLE_ROW_HEIGHT |

 #endif
 #endif

+                 wxTR_EDIT_LABELS;
+
+    CreateTree(style | wxSUNKEN_BORDER);
+
+    // as we don't know what wxTR_DEFAULT_STYLE could contain, test for
+    // everything
+    wxMenuBar *mbar = GetMenuBar();
+    mbar->Check(TreeTest_TogButtons, (style & wxTR_HAS_BUTTONS) != 0);
+    mbar->Check(TreeTest_TogButtons, (style & wxTR_TWIST_BUTTONS) != 0);
+    mbar->Check(TreeTest_TogLines, (style & wxTR_NO_LINES) == 0);
+    mbar->Check(TreeTest_TogRootLines, (style & wxTR_LINES_AT_ROOT) != 0);
+    mbar->Check(TreeTest_TogHideRoot, (style & wxTR_HIDE_ROOT) != 0);
+    mbar->Check(TreeTest_TogEdit, (style & wxTR_EDIT_LABELS) != 0);
+    mbar->Check(TreeTest_TogBorder, (style & wxTR_ROW_LINES) != 0);
+    mbar->Check(TreeTest_TogFullHighlight, (style & wxTR_FULL_ROW_HIGHLIGHT) != 0);
+}
+
+void MyFrame::CreateTree(long style)
+{
+    m_treeCtrl = new MyTreeCtrl(this, TreeTest_Ctrl,
+                                wxDefaultPosition, wxDefaultSize,
+                                style);
+    Resize();
+}

 
 

-  // Make an image list containing small icons
-  m_imageListNormal = new wxImageList(16, 16, TRUE);
+void MyFrame::TogStyle(int id, long flag)
+{
+    long style = m_treeCtrl->GetWindowStyle() ^ flag;
+
+    // most treectrl styles can't be changed on the fly using the native
+    // control and the tree must be recreated
+#ifndef __WXMSW__
+    m_treeCtrl->SetWindowStyle(style);
+#else // MSW
+    delete m_treeCtrl;
+    CreateTree(style);
+#endif // !MSW/MSW
+
+    GetMenuBar()->Check(id, (style & flag) != 0);
+}

 
 

-#ifdef __WXMSW__
-  wxIcon icon1("icon1", wxBITMAP_TYPE_ICO_RESOURCE);
-  m_imageListNormal->Add(icon1);
-  wxIcon icon2("icon2", wxBITMAP_TYPE_ICO_RESOURCE);
-  m_imageListNormal->Add(icon2);
+void MyFrame::OnIdle(wxIdleEvent& event)
+{
+#if wxUSE_STATUSBAR
+    if ( m_treeCtrl )
+    {
+        wxTreeItemId idRoot = m_treeCtrl->GetRootItem();
+
+        SetStatusText(wxString::Format
+                      (
+                        _T("Root/last item is %svisible/%svisible"),
+                        m_treeCtrl->IsVisible(idRoot) ? _T("") : _T("not "),
+                        m_treeCtrl->IsVisible(m_treeCtrl->GetLastChild(idRoot))
+                            ? _T("") : _T("not ")
+                      ), 1);
+    }
+#endif // wxUSE_STATUSBAR
+
+    event.Skip();
+}
+
+void MyFrame::OnSize(wxSizeEvent& event)
+{
+    if ( m_treeCtrl
+#if wxUSE_LOG
+                    && m_textCtrl
+#endif // wxUSE_LOG
+                                  )
+    {
+        Resize();
+    }
+
+    event.Skip();
+}
+
+void MyFrame::Resize()
+{
+    wxSize size = GetClientSize();
+    m_treeCtrl->SetSize(0, 0, size.x, size.y
+#if !wxUSE_LOG
+                                            );

 #else
 #else

+                                            *2/3);
+    m_textCtrl->SetSize(0, 2*size.y/3, size.x, size.y/3);

 #endif
 #endif

+}

 
 

-  // Make a menubar
-  wxMenu *file_menu = new wxMenu;
-
-  file_menu->Append(TREE_ABOUT, "&About");
-  file_menu->Append(TREE_QUIT, "E&xit");
-  wxMenuBar *menu_bar = new wxMenuBar;
-  menu_bar->Append(file_menu, "&File");
-  frame->SetMenuBar(menu_bar);
-
-  // Make a panel with a message
-  frame->m_treeCtrl = new MyTreeCtrl(frame, TREE_CTRL, wxPoint(0, 0), wxSize(400, 200),
-       wxTR_HAS_BUTTONS|wxSUNKEN_BORDER);
-  frame->m_logWindow = new wxTextCtrl(frame, -1, "", wxPoint(0, 0), wxSize(400, 200),
-       wxTE_MULTILINE|wxSUNKEN_BORDER);
-
-  wxLayoutConstraints *c = new wxLayoutConstraints;
-  c->top.SameAs                        (frame, wxTop);
-  c->left.SameAs               (frame, wxLeft);
-  c->right.SameAs              (frame, wxRight);
-  c->height.PercentOf  (frame, wxHeight, 66);
-  frame->m_treeCtrl->SetConstraints(c);
-
-  c = new wxLayoutConstraints;
-  c->top.Below                 (frame->m_treeCtrl);
-  c->left.SameAs               (frame, wxLeft);
-  c->right.SameAs              (frame, wxRight);
-  c->bottom.SameAs             (frame, wxBottom);
-  frame->m_logWindow->SetConstraints(c);
-  frame->SetAutoLayout(TRUE);
-
-  frame->m_treeCtrl->SetImageList(wxGetApp().m_imageListNormal, wxIMAGE_LIST_NORMAL);
-
-  long rootId = frame->m_treeCtrl->InsertItem(0, "Root", 0);
-
-  char buf[20];
-  int i;
-  wxString str;
-
-  for ( i = 0; i < 10; i++)
-  {
-       sprintf(buf, "Folder child %d", i);
-    str = buf;
-    long id = frame->m_treeCtrl->InsertItem(rootId, str, 0);
-       int j;
-    for ( j = 0; j < 5; j++)
+void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
+{
+    Close(true);
+}
+
+void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
+{
+    wxMessageBox(wxT("Tree test sample\n")
+                 wxT("(c) Julian Smart 1997, Vadim Zeitlin 1998"),
+                 wxT("About tree test"),
+                 wxOK | wxICON_INFORMATION, this);
+}
+
+void MyFrame::OnRename(wxCommandEvent& WXUNUSED(event))
+{
+    wxTreeItemId item = m_treeCtrl->GetSelection();
+
+    CHECK_ITEM( item );
+
+    // old code - now we edit in place
+#if 0
+    static wxString s_text;
+    s_text = wxGetTextFromUser(wxT("New name: "), wxT("Tree sample question"),
+            s_text, this);
+    if ( !s_text.empty() )

     {
     {

-         sprintf(buf, "File child %d", j);
-      str = buf;
-      frame->m_treeCtrl->InsertItem(id, str, 1);
+        m_treeCtrl->SetItemText(item, s_text);

     }
     }

-  }
-  for ( i = 0; i < 10; i++)
-  {
-       sprintf(buf, "File child %d", i);
-    str = buf;
-    frame->m_treeCtrl->InsertItem(rootId, str, 1);
-  }
+#endif // 0
+
+    // TODO demonstrate creating a custom edit control...
+    (void)m_treeCtrl->EditLabel(item);
+}
+
+void MyFrame::OnCount(wxCommandEvent& WXUNUSED(event))
+{
+    wxTreeItemId item = m_treeCtrl->GetSelection();

 
 

-  frame->CreateStatusBar(3);
-  frame->SetStatusText("", 0);
+    CHECK_ITEM( item );

 
 

-  // Show the frame
-  frame->Show(TRUE);
-  
-  SetTopWindow(frame);
+    int i = m_treeCtrl->GetChildrenCount( item, false );

 
 

-  return TRUE;
+    wxLogMessage(wxT("%d children"), i);

 }
 
 }
 

-// My frame constructor
-MyFrame::MyFrame(wxFrame *frame, char *title, int x, int y, int w, int h):
-  wxFrame(frame, -1, title, wxPoint(x, y), wxSize(w, h))
+void MyFrame::OnCountRec(wxCommandEvent& WXUNUSED(event))
+{
+    wxTreeItemId item = m_treeCtrl->GetSelection();
+
+    CHECK_ITEM( item );
+
+    int i = m_treeCtrl->GetChildrenCount( item );
+
+    wxLogMessage(wxT("%d children"), i);
+}
+
+void MyFrame::DoSort(bool reverse)

 {
 {

-       m_treeCtrl = NULL;
-       m_logWindow = NULL;
+    wxTreeItemId item = m_treeCtrl->GetSelection();
+
+    CHECK_ITEM( item );
+
+    m_treeCtrl->DoSortChildren(item, reverse);

 }
 
 }
 

-MyFrame::~MyFrame(void)
+void MyFrame::OnDump(wxCommandEvent& WXUNUSED(event))

 {
 {

-       delete wxGetApp().m_imageListNormal;
+    wxTreeItemId root = m_treeCtrl->GetSelection();
+
+    CHECK_ITEM( root );
+
+    m_treeCtrl->GetItemsRecursively(root);

 }
 
 }
 

-void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event) )
+#ifndef NO_MULTIPLE_SELECTION
+
+void MyFrame::OnToggleSel(wxCommandEvent& event)

 {
 {

-  Close(TRUE);
+    TogStyle(event.GetId(), wxTR_MULTIPLE);

 }
 
 }
 

-void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event) )
+void MyFrame::OnDumpSelected(wxCommandEvent& WXUNUSED(event))

 {
 {

-  wxMessageDialog dialog(this, "Tree test sample\nJulian Smart (c) 1997",
-       "About tree test", wxOK|wxCANCEL);
+    wxArrayTreeItemIds array;

 
 

-  dialog.ShowModal();
+    size_t count = m_treeCtrl->GetSelections(array);
+    wxLogMessage(wxT("%u items selected"), count);
+
+    for ( size_t n = 0; n < count; n++ )
+    {
+        wxLogMessage(wxT("\t%s"), m_treeCtrl->GetItemText(array.Item(n)).c_str());
+    }

 }
 
 }
 

-// MyTreeCtrl
+void MyFrame::OnSelect(wxCommandEvent& WXUNUSED(event))
+{
+    m_treeCtrl->SelectItem(m_treeCtrl->GetSelection());
+}
+
+void MyFrame::OnSelectRoot(wxCommandEvent& WXUNUSED(event))
+{
+    m_treeCtrl->SelectItem(m_treeCtrl->GetRootItem());
+}

 
 

-void MyTreeCtrl::OnBeginDrag(wxTreeEvent& WXUNUSED(event) )
+void MyFrame::OnUnselect(wxCommandEvent& WXUNUSED(event))

 {
 {

-       if ( !wxGetApp().GetTopWindow() )
-               return;
+    m_treeCtrl->UnselectAll();
+}
+
+#endif // NO_MULTIPLE_SELECTION

 
 

-       wxTextCtrl *text = ((MyFrame *)wxGetApp().GetTopWindow())->m_logWindow;
-       if ( !text )
-               return;
+void MyFrame::DoSetBold(bool bold)
+{
+    wxTreeItemId item = m_treeCtrl->GetSelection();

 
 

-#ifndef __GNUWIN32__
-       ostream str(text);
+    CHECK_ITEM( item );

 
 

-       str << "OnBeginDrag\n";
-       str.flush();
-#endif
+    m_treeCtrl->SetItemBold(item, bold);

 }
 
 }
 

-void MyTreeCtrl::OnBeginRDrag(wxTreeEvent& WXUNUSED(event) )
+void MyFrame::OnDelete(wxCommandEvent& WXUNUSED(event))

 {
 {

-       if ( !wxGetApp().GetTopWindow() )
-               return;
+    wxTreeItemId item = m_treeCtrl->GetSelection();

 
 

-       wxTextCtrl *text = ((MyFrame *)wxGetApp().GetTopWindow())->m_logWindow;
-       if ( !text )
-               return;
+    CHECK_ITEM( item );

 
 

-#ifndef __GNUWIN32__
-       ostream str(text);
+    m_treeCtrl->Delete(item);
+}

 
 

-       str << "OnBeginRDrag\n";
-       str.flush();
-#endif
+void MyFrame::OnDeleteChildren(wxCommandEvent& WXUNUSED(event))
+{
+    wxTreeItemId item = m_treeCtrl->GetSelection();
+
+    CHECK_ITEM( item );
+
+    m_treeCtrl->DeleteChildren(item);

 }
 
 }
 

-void MyTreeCtrl::OnBeginLabelEdit(wxTreeEvent& WXUNUSED(event) )
+void MyFrame::OnDeleteAll(wxCommandEvent& WXUNUSED(event))

 {
 {

-       if ( !wxGetApp().GetTopWindow() )
-               return;
+    m_treeCtrl->DeleteAllItems();
+}

 
 

-       wxTextCtrl *text = ((MyFrame *)wxGetApp().GetTopWindow())->m_logWindow;
-       if ( !text )
-               return;
+void MyFrame::OnRecreate(wxCommandEvent& event)
+{
+    OnDeleteAll(event);
+    m_treeCtrl->AddTestItemsToTree(5, 2);
+}

 
 

-#ifndef __GNUWIN32__
-       ostream str(text);
+void MyFrame::OnSetImageSize(wxCommandEvent& WXUNUSED(event))
+{
+    int size = wxGetNumberFromUser(wxT("Enter the size for the images to use"),
+                                    wxT("Size: "),
+                                    wxT("TreeCtrl sample"),
+                                    m_treeCtrl->ImageSize());
+    if ( size == -1 )
+        return;
+
+    m_treeCtrl->CreateImageList(size);
+    wxGetApp().SetShowImages(true);
+}
+
+void MyFrame::OnToggleImages(wxCommandEvent& WXUNUSED(event))
+{
+    if ( wxGetApp().ShowImages() )
+    {
+        m_treeCtrl->CreateImageList(-1);
+        wxGetApp().SetShowImages(false);
+    }
+    else
+    {
+        m_treeCtrl->CreateImageList(0);
+        wxGetApp().SetShowImages(true);
+    }
+}

 
 

-       str << "OnBeginLabelEdit\n";
-       str.flush();
+void MyFrame::OnToggleButtons(wxCommandEvent& WXUNUSED(event))
+{
+#if USE_GENERIC_TREECTRL || !defined(__WXMSW__)
+    if ( wxGetApp().ShowButtons() )
+    {
+        m_treeCtrl->CreateButtonsImageList(-1);
+        wxGetApp().SetShowButtons(false);
+    }
+    else
+    {
+        m_treeCtrl->CreateButtonsImageList(15);
+        wxGetApp().SetShowButtons(true);
+    }

 #endif
 }
 
 #endif
 }
 

-void MyTreeCtrl::OnEndLabelEdit(wxTreeEvent& WXUNUSED(event) )
+void MyFrame::OnCollapseAndReset(wxCommandEvent& WXUNUSED(event))

 {
 {

-       if ( !wxGetApp().GetTopWindow() )
-               return;
+    m_treeCtrl->CollapseAndReset(m_treeCtrl->GetRootItem());
+}

 
 

-       wxTextCtrl *text = ((MyFrame *)wxGetApp().GetTopWindow())->m_logWindow;
-       if ( !text )
-               return;
+void MyFrame::OnEnsureVisible(wxCommandEvent& WXUNUSED(event))
+{
+    m_treeCtrl->DoEnsureVisible();
+}

 
 

-#ifndef __GNUWIN32__
-       ostream str(text);
+void MyFrame::OnInsertItem(wxCommandEvent& WXUNUSED(event))
+{
+    int image = wxGetApp().ShowImages() ? MyTreeCtrl::TreeCtrlIcon_File : -1;
+    m_treeCtrl->InsertItem(m_treeCtrl->GetRootItem(), image, wxT("2nd item"));
+}

 
 

-       str << "OnEndLabelEdit\n";
-       str.flush();
-#endif
+void MyFrame::OnAddItem(wxCommandEvent& WXUNUSED(event))
+{
+    static int s_num = 0;
+
+    wxString text;
+    text.Printf(wxT("Item #%d"), ++s_num);
+
+    m_treeCtrl->AppendItem(m_treeCtrl->GetRootItem(),
+                           text /*,
+                           MyTreeCtrl::TreeCtrlIcon_File */ );

 }
 
 }
 

-void MyTreeCtrl::OnDeleteItem(wxTreeEvent& WXUNUSED(event) )
+void MyFrame::OnIncIndent(wxCommandEvent& WXUNUSED(event))

 {
 {

-       if ( !wxGetApp().GetTopWindow() )
-               return;
+    unsigned int indent = m_treeCtrl->GetIndent();
+    if (indent < 100)
+        m_treeCtrl->SetIndent( indent+5 );
+}

 
 

-       wxTextCtrl *text = ((MyFrame *)wxGetApp().GetTopWindow())->m_logWindow;
-       if ( !text )
-               return;
+void MyFrame::OnDecIndent(wxCommandEvent& WXUNUSED(event))
+{
+    unsigned int indent = m_treeCtrl->GetIndent();
+    if (indent > 10)
+        m_treeCtrl->SetIndent( indent-5 );
+}

 
 

-#ifndef __GNUWIN32__
-       ostream str(text);
+void MyFrame::OnIncSpacing(wxCommandEvent& WXUNUSED(event))
+{
+    unsigned int indent = m_treeCtrl->GetSpacing();
+    if (indent < 100)
+        m_treeCtrl->SetSpacing( indent+5 );
+}

 
 

-       str << "OnDeleteItem\n";
-       str.flush();
-#endif
+void MyFrame::OnDecSpacing(wxCommandEvent& WXUNUSED(event))
+{
+    unsigned int indent = m_treeCtrl->GetSpacing();
+    if (indent > 10)
+        m_treeCtrl->SetSpacing( indent-5 );

 }
 
 }
 

-void MyTreeCtrl::OnGetInfo(wxTreeEvent& WXUNUSED(event) )
+void MyFrame::OnToggleIcon(wxCommandEvent& WXUNUSED(event))

 {
 {

-       if ( !wxGetApp().GetTopWindow() )
-               return;
+    wxTreeItemId item = m_treeCtrl->GetSelection();

 
 

-       wxTextCtrl *text = ((MyFrame *)wxGetApp().GetTopWindow())->m_logWindow;
-       if ( !text )
-               return;
+    CHECK_ITEM( item );
+
+    m_treeCtrl->DoToggleIcon(item);
+}
+
+void MyFrame::OnSetFgColour(wxCommandEvent& WXUNUSED(event))
+{
+    wxColour col = wxGetColourFromUser(this, m_treeCtrl->GetForegroundColour());
+    if ( col.Ok() )
+        m_treeCtrl->SetForegroundColour(col);
+}

 
 

-#ifndef __GNUWIN32__
-       ostream str(text);
+void MyFrame::OnSetBgColour(wxCommandEvent& WXUNUSED(event))
+{
+    wxColour col = wxGetColourFromUser(this, m_treeCtrl->GetBackgroundColour());
+    if ( col.Ok() )
+        m_treeCtrl->SetBackgroundColour(col);
+}

 
 

-       str << "OnGetInfo\n";
-       str.flush();
+// MyTreeCtrl implementation
+#if USE_GENERIC_TREECTRL
+IMPLEMENT_DYNAMIC_CLASS(MyTreeCtrl, wxGenericTreeCtrl)
+#else
+IMPLEMENT_DYNAMIC_CLASS(MyTreeCtrl, wxTreeCtrl)

 #endif
 #endif

+
+MyTreeCtrl::MyTreeCtrl(wxWindow *parent, const wxWindowID id,
+                       const wxPoint& pos, const wxSize& size,
+                       long style)
+          : wxTreeCtrl(parent, id, pos, size, style)
+{
+    m_reverseSort = false;
+
+    CreateImageList();
+
+    // Add some items to the tree
+    AddTestItemsToTree(5, 2);

 }
 
 }
 

-void MyTreeCtrl::OnSetInfo(wxTreeEvent& WXUNUSED(event) )
+void MyTreeCtrl::CreateImageList(int size)

 {
 {

-       if ( !wxGetApp().GetTopWindow() )
-               return;
+    if ( size == -1 )
+    {
+        SetImageList(NULL);
+        return;
+    }
+    if ( size == 0 )
+        size = m_imageSize;
+    else
+        m_imageSize = size;
+
+    // Make an image list containing small icons
+    wxImageList *images = new wxImageList(size, size, true);
+
+    // should correspond to TreeCtrlIcon_xxx enum
+    wxBusyCursor wait;
+    wxIcon icons[5];
+    icons[0] = wxIcon(icon1_xpm);
+    icons[1] = wxIcon(icon2_xpm);
+    icons[2] = wxIcon(icon3_xpm);
+    icons[3] = wxIcon(icon4_xpm);
+    icons[4] = wxIcon(icon5_xpm);
+
+    int sizeOrig = icons[0].GetWidth();
+    for ( size_t i = 0; i < WXSIZEOF(icons); i++ )
+    {
+        if ( size == sizeOrig )
+        {
+            images->Add(icons[i]);
+        }
+        else
+        {
+            images->Add(wxBitmap(wxBitmap(icons[i]).ConvertToImage().Rescale(size, size)));
+        }
+    }

 
 

-       wxTextCtrl *text = ((MyFrame *)wxGetApp().GetTopWindow())->m_logWindow;
-       if ( !text )
-               return;
+    AssignImageList(images);
+}
+
+#if USE_GENERIC_TREECTRL || !defined(__WXMSW__)
+void MyTreeCtrl::CreateButtonsImageList(int size)
+{
+    if ( size == -1 )
+    {
+        SetButtonsImageList(NULL);
+        return;
+    }

 
 

-#ifndef __GNUWIN32__
-       ostream str(text);
+    // Make an image list containing small icons
+    wxImageList *images = new wxImageList(size, size, true);

 
 

-       str << "OnSetInfo\n";
-       str.flush();
+    // should correspond to TreeCtrlIcon_xxx enum
+    wxBusyCursor wait;
+    wxIcon icons[4];
+    icons[0] = wxIcon(icon3_xpm);   // closed
+    icons[1] = wxIcon(icon3_xpm);   // closed, selected
+    icons[2] = wxIcon(icon5_xpm);   // open
+    icons[3] = wxIcon(icon5_xpm);   // open, selected
+
+    for ( size_t i = 0; i < WXSIZEOF(icons); i++ )
+    {
+        int sizeOrig = icons[i].GetWidth();
+        if ( size == sizeOrig )
+        {
+            images->Add(icons[i]);
+        }
+        else
+        {
+            images->Add(wxBitmap(wxBitmap(icons[i]).ConvertToImage().Rescale(size, size)));
+        }
+    }
+
+    AssignButtonsImageList(images);
+#else
+void MyTreeCtrl::CreateButtonsImageList(int WXUNUSED(size))
+{

 #endif
 }
 
 #endif
 }
 

-void MyTreeCtrl::OnItemExpanded(wxTreeEvent& WXUNUSED(event) )
+int MyTreeCtrl::OnCompareItems(const wxTreeItemId& item1,
+                               const wxTreeItemId& item2)
+{
+    if ( m_reverseSort )
+    {
+        // just exchange 1st and 2nd items
+        return wxTreeCtrl::OnCompareItems(item2, item1);
+    }
+    else
+    {
+        return wxTreeCtrl::OnCompareItems(item1, item2);
+    }
+}
+
+void MyTreeCtrl::AddItemsRecursively(const wxTreeItemId& idParent,
+                                     size_t numChildren,
+                                     size_t depth,
+                                     size_t folder)

 {
 {

-       if ( !wxGetApp().GetTopWindow() )
-               return;
+    if ( depth > 0 )
+    {
+        bool hasChildren = depth > 1;
+
+        wxString str;
+        for ( size_t n = 0; n < numChildren; n++ )
+        {
+            // at depth 1 elements won't have any more children
+            if ( hasChildren )
+                str.Printf(wxT("%s child %d"), wxT("Folder"), n + 1);
+            else
+                str.Printf(wxT("%s child %d.%d"), wxT("File"), folder, n + 1);
+
+            // here we pass to AppendItem() normal and selected item images (we
+            // suppose that selected image follows the normal one in the enum)
+            int image, imageSel;
+            if ( wxGetApp().ShowImages() )
+            {
+                image = depth == 1 ? TreeCtrlIcon_File : TreeCtrlIcon_Folder;
+                imageSel = image + 1;
+            }
+            else
+            {
+                image = imageSel = -1;
+            }
+            wxTreeItemId id = AppendItem(idParent, str, image, imageSel,
+                                         new MyTreeItemData(str));
+
+            // and now we also set the expanded one (only for the folders)
+            if ( hasChildren && wxGetApp().ShowImages() )
+            {
+                SetItemImage(id, TreeCtrlIcon_FolderOpened,
+                             wxTreeItemIcon_Expanded);
+            }
+
+            // remember the last child for OnEnsureVisible()
+            if ( !hasChildren && n == numChildren - 1 )
+            {
+                m_lastItem = id;
+            }
+
+            AddItemsRecursively(id, numChildren, depth - 1, n + 1);
+        }
+    }
+    //else: done!
+}

 
 

-       wxTextCtrl *text = ((MyFrame *)wxGetApp().GetTopWindow())->m_logWindow;
-       if ( !text )
-               return;
+void MyTreeCtrl::AddTestItemsToTree(size_t numChildren,
+                                    size_t depth)
+{
+    int image = wxGetApp().ShowImages() ? MyTreeCtrl::TreeCtrlIcon_Folder : -1;
+    wxTreeItemId rootId = AddRoot(wxT("Root"),
+                                  image, image,
+                                  new MyTreeItemData(wxT("Root item")));
+    if ( image != -1 )
+    {
+        SetItemImage(rootId, TreeCtrlIcon_FolderOpened, wxTreeItemIcon_Expanded);
+    }

 
 

-#ifndef __GNUWIN32__
-       ostream str(text);
+    AddItemsRecursively(rootId, numChildren, depth, 0);

 
 

-       str << "OnItemExpanded\n";
-       str.flush();
-#endif
+    // set some colours/fonts for testing
+    SetItemFont(rootId, *wxITALIC_FONT);
+
+    wxTreeItemIdValue cookie;
+    wxTreeItemId id = GetFirstChild(rootId, cookie);
+    SetItemTextColour(id, *wxBLUE);
+
+    id = GetNextChild(rootId, cookie);
+    id = GetNextChild(rootId, cookie);
+    SetItemTextColour(id, *wxRED);
+    SetItemBackgroundColour(id, *wxLIGHT_GREY);

 }
 
 }
 

-void MyTreeCtrl::OnItemExpanding(wxTreeEvent& WXUNUSED(event) )
+void MyTreeCtrl::GetItemsRecursively(const wxTreeItemId& idParent,
+                                     wxTreeItemIdValue cookie)

 {
 {

-       if ( !wxGetApp().GetTopWindow() )
-               return;
+    wxTreeItemId id;

 
 

-       wxTextCtrl *text = ((MyFrame *)wxGetApp().GetTopWindow())->m_logWindow;
-       if ( !text )
-               return;
+    if ( !cookie )
+        id = GetFirstChild(idParent, cookie);
+    else
+        id = GetNextChild(idParent, cookie);

 
 

-#ifndef __GNUWIN32__
-       ostream str(text);
+    if ( !id.IsOk() )
+        return;

 
 

-       str << "OnItemExpanding\n";
-       str.flush();
-#endif
+    wxString text = GetItemText(id);
+    wxLogMessage(text);
+
+    if (ItemHasChildren(id))
+        GetItemsRecursively(id);
+
+    GetItemsRecursively(idParent, cookie);

 }
 
 }
 

-void MyTreeCtrl::OnSelChanged(wxTreeEvent& WXUNUSED(event) )
+void MyTreeCtrl::DoToggleIcon(const wxTreeItemId& item)

 {
 {

-       if ( !wxGetApp().GetTopWindow() )
-               return;
+    int image = GetItemImage(item) == TreeCtrlIcon_Folder ? TreeCtrlIcon_File
+                                                          : TreeCtrlIcon_Folder;

 
 

-       wxTextCtrl *text = ((MyFrame *)wxGetApp().GetTopWindow())->m_logWindow;
-       if ( !text )
-               return;
+    SetItemImage(item, image);
+}

 
 

-#ifndef __GNUWIN32__
-       ostream str(text);

 
 

-       str << "OnSelChanged\n";
-       str.flush();
-#endif
+// avoid repetition
+#define TREE_EVENT_HANDLER(name)                                 \
+void MyTreeCtrl::name(wxTreeEvent& event)                        \
+{                                                                \
+    wxLogMessage(wxT(#name));                                    \
+    SetLastItem(wxTreeItemId());                                 \
+    event.Skip();                                                \

 }
 
 }
 

-void MyTreeCtrl::OnSelChanging(wxTreeEvent& WXUNUSED(event) )
+TREE_EVENT_HANDLER(OnBeginRDrag)
+TREE_EVENT_HANDLER(OnDeleteItem)
+TREE_EVENT_HANDLER(OnGetInfo)
+TREE_EVENT_HANDLER(OnSetInfo)
+TREE_EVENT_HANDLER(OnItemExpanded)
+TREE_EVENT_HANDLER(OnItemExpanding)
+TREE_EVENT_HANDLER(OnItemCollapsed)
+TREE_EVENT_HANDLER(OnSelChanged)
+TREE_EVENT_HANDLER(OnSelChanging)
+
+#undef TREE_EVENT_HANDLER
+
+void LogKeyEvent(const wxChar *name, const wxKeyEvent& event)

 {
 {

-       if ( !wxGetApp().GetTopWindow() )
-               return;
+    wxString key;
+    long keycode = event.GetKeyCode();
+    {
+        switch ( keycode )
+        {
+            case WXK_BACK: key = wxT("BACK"); break;
+            case WXK_TAB: key = wxT("TAB"); break;
+            case WXK_RETURN: key = wxT("RETURN"); break;
+            case WXK_ESCAPE: key = wxT("ESCAPE"); break;
+            case WXK_SPACE: key = wxT("SPACE"); break;
+            case WXK_DELETE: key = wxT("DELETE"); break;
+            case WXK_START: key = wxT("START"); break;
+            case WXK_LBUTTON: key = wxT("LBUTTON"); break;
+            case WXK_RBUTTON: key = wxT("RBUTTON"); break;
+            case WXK_CANCEL: key = wxT("CANCEL"); break;
+            case WXK_MBUTTON: key = wxT("MBUTTON"); break;
+            case WXK_CLEAR: key = wxT("CLEAR"); break;
+            case WXK_SHIFT: key = wxT("SHIFT"); break;
+            case WXK_ALT: key = wxT("ALT"); break;
+            case WXK_CONTROL: key = wxT("CONTROL"); break;
+            case WXK_MENU: key = wxT("MENU"); break;
+            case WXK_PAUSE: key = wxT("PAUSE"); break;
+            case WXK_CAPITAL: key = wxT("CAPITAL"); break;
+            case WXK_PRIOR: key = wxT("PRIOR"); break;
+            case WXK_NEXT: key = wxT("NEXT"); break;
+            case WXK_END: key = wxT("END"); break;
+            case WXK_HOME: key = wxT("HOME"); break;
+            case WXK_LEFT: key = wxT("LEFT"); break;
+            case WXK_UP: key = wxT("UP"); break;
+            case WXK_RIGHT: key = wxT("RIGHT"); break;
+            case WXK_DOWN: key = wxT("DOWN"); break;
+            case WXK_SELECT: key = wxT("SELECT"); break;
+            case WXK_PRINT: key = wxT("PRINT"); break;
+            case WXK_EXECUTE: key = wxT("EXECUTE"); break;
+            case WXK_SNAPSHOT: key = wxT("SNAPSHOT"); break;
+            case WXK_INSERT: key = wxT("INSERT"); break;
+            case WXK_HELP: key = wxT("HELP"); break;
+            case WXK_NUMPAD0: key = wxT("NUMPAD0"); break;
+            case WXK_NUMPAD1: key = wxT("NUMPAD1"); break;
+            case WXK_NUMPAD2: key = wxT("NUMPAD2"); break;
+            case WXK_NUMPAD3: key = wxT("NUMPAD3"); break;
+            case WXK_NUMPAD4: key = wxT("NUMPAD4"); break;
+            case WXK_NUMPAD5: key = wxT("NUMPAD5"); break;
+            case WXK_NUMPAD6: key = wxT("NUMPAD6"); break;
+            case WXK_NUMPAD7: key = wxT("NUMPAD7"); break;
+            case WXK_NUMPAD8: key = wxT("NUMPAD8"); break;
+            case WXK_NUMPAD9: key = wxT("NUMPAD9"); break;
+            case WXK_MULTIPLY: key = wxT("MULTIPLY"); break;
+            case WXK_ADD: key = wxT("ADD"); break;
+            case WXK_SEPARATOR: key = wxT("SEPARATOR"); break;
+            case WXK_SUBTRACT: key = wxT("SUBTRACT"); break;
+            case WXK_DECIMAL: key = wxT("DECIMAL"); break;
+            case WXK_DIVIDE: key = wxT("DIVIDE"); break;
+            case WXK_F1: key = wxT("F1"); break;
+            case WXK_F2: key = wxT("F2"); break;
+            case WXK_F3: key = wxT("F3"); break;
+            case WXK_F4: key = wxT("F4"); break;
+            case WXK_F5: key = wxT("F5"); break;
+            case WXK_F6: key = wxT("F6"); break;
+            case WXK_F7: key = wxT("F7"); break;
+            case WXK_F8: key = wxT("F8"); break;
+            case WXK_F9: key = wxT("F9"); break;
+            case WXK_F10: key = wxT("F10"); break;
+            case WXK_F11: key = wxT("F11"); break;
+            case WXK_F12: key = wxT("F12"); break;
+            case WXK_F13: key = wxT("F13"); break;
+            case WXK_F14: key = wxT("F14"); break;
+            case WXK_F15: key = wxT("F15"); break;
+            case WXK_F16: key = wxT("F16"); break;
+            case WXK_F17: key = wxT("F17"); break;
+            case WXK_F18: key = wxT("F18"); break;
+            case WXK_F19: key = wxT("F19"); break;
+            case WXK_F20: key = wxT("F20"); break;
+            case WXK_F21: key = wxT("F21"); break;
+            case WXK_F22: key = wxT("F22"); break;
+            case WXK_F23: key = wxT("F23"); break;
+            case WXK_F24: key = wxT("F24"); break;
+            case WXK_NUMLOCK: key = wxT("NUMLOCK"); break;
+            case WXK_SCROLL: key = wxT("SCROLL"); break;
+            case WXK_PAGEUP: key = wxT("PAGEUP"); break;
+            case WXK_PAGEDOWN: key = wxT("PAGEDOWN"); break;
+            case WXK_NUMPAD_SPACE: key = wxT("NUMPAD_SPACE"); break;
+            case WXK_NUMPAD_TAB: key = wxT("NUMPAD_TAB"); break;
+            case WXK_NUMPAD_ENTER: key = wxT("NUMPAD_ENTER"); break;
+            case WXK_NUMPAD_F1: key = wxT("NUMPAD_F1"); break;
+            case WXK_NUMPAD_F2: key = wxT("NUMPAD_F2"); break;
+            case WXK_NUMPAD_F3: key = wxT("NUMPAD_F3"); break;
+            case WXK_NUMPAD_F4: key = wxT("NUMPAD_F4"); break;
+            case WXK_NUMPAD_HOME: key = wxT("NUMPAD_HOME"); break;
+            case WXK_NUMPAD_LEFT: key = wxT("NUMPAD_LEFT"); break;
+            case WXK_NUMPAD_UP: key = wxT("NUMPAD_UP"); break;
+            case WXK_NUMPAD_RIGHT: key = wxT("NUMPAD_RIGHT"); break;
+            case WXK_NUMPAD_DOWN: key = wxT("NUMPAD_DOWN"); break;
+            case WXK_NUMPAD_PRIOR: key = wxT("NUMPAD_PRIOR"); break;
+            case WXK_NUMPAD_PAGEUP: key = wxT("NUMPAD_PAGEUP"); break;
+            case WXK_NUMPAD_PAGEDOWN: key = wxT("NUMPAD_PAGEDOWN"); break;
+            case WXK_NUMPAD_END: key = wxT("NUMPAD_END"); break;
+            case WXK_NUMPAD_BEGIN: key = wxT("NUMPAD_BEGIN"); break;
+            case WXK_NUMPAD_INSERT: key = wxT("NUMPAD_INSERT"); break;
+            case WXK_NUMPAD_DELETE: key = wxT("NUMPAD_DELETE"); break;
+            case WXK_NUMPAD_EQUAL: key = wxT("NUMPAD_EQUAL"); break;
+            case WXK_NUMPAD_MULTIPLY: key = wxT("NUMPAD_MULTIPLY"); break;
+            case WXK_NUMPAD_ADD: key = wxT("NUMPAD_ADD"); break;
+            case WXK_NUMPAD_SEPARATOR: key = wxT("NUMPAD_SEPARATOR"); break;
+            case WXK_NUMPAD_SUBTRACT: key = wxT("NUMPAD_SUBTRACT"); break;
+            case WXK_NUMPAD_DECIMAL: key = wxT("NUMPAD_DECIMAL"); break;
+
+            default:
+            {
+               if ( keycode < 128 && wxIsprint((int)keycode) )
+                   key.Printf(wxT("'%c'"), (char)keycode);
+               else if ( keycode > 0 && keycode < 27 )
+                   key.Printf(_("Ctrl-%c"), wxT('A') + keycode - 1);
+               else
+                   key.Printf(wxT("unknown (%ld)"), keycode);
+            }
+        }
+    }

 
 

-       wxTextCtrl *text = ((MyFrame *)wxGetApp().GetTopWindow())->m_logWindow;
-       if ( !text )
-               return;
+    wxLogMessage( wxT("%s event: %s (flags = %c%c%c%c)"),
+                  name,
+                  key.c_str(),
+                  event.ControlDown() ? wxT('C') : wxT('-'),
+                  event.AltDown() ? wxT('A') : wxT('-'),
+                  event.ShiftDown() ? wxT('S') : wxT('-'),
+                  event.MetaDown() ? wxT('M') : wxT('-'));
+}

 
 

-#ifndef __GNUWIN32__
-       ostream str(text);
+void MyTreeCtrl::OnTreeKeyDown(wxTreeEvent& event)
+{
+    LogKeyEvent(wxT("Tree key down "), event.GetKeyEvent());

 
 

-       str << "OnSelChanging\n";
-       str.flush();
-#endif
+    event.Skip();

 }
 
 }
 

-void MyTreeCtrl::OnKeyDown(wxTreeEvent& WXUNUSED(event) )
+void MyTreeCtrl::OnBeginDrag(wxTreeEvent& event)

 {
 {

-       if ( !wxGetApp().GetTopWindow() )
-               return;
+    // need to explicitly allow drag
+    if ( event.GetItem() != GetRootItem() )
+    {
+        m_draggedItem = event.GetItem();
+
+        wxLogMessage(wxT("OnBeginDrag: started dragging %s"),
+                     GetItemText(m_draggedItem).c_str());

 
 

-       wxTextCtrl *text = ((MyFrame *)wxGetApp().GetTopWindow())->m_logWindow;
-       if ( !text )
-               return;
+        event.Allow();
+    }
+    else
+    {
+        wxLogMessage(wxT("OnBeginDrag: this item can't be dragged."));
+    }
+}

 
 

-#ifndef __GNUWIN32__
-       ostream str(text);
+void MyTreeCtrl::OnEndDrag(wxTreeEvent& event)
+{
+    wxTreeItemId itemSrc = m_draggedItem,
+                 itemDst = event.GetItem();
+    m_draggedItem = (wxTreeItemId)0l;

 
 

-       str << "OnKeyDown\n";
-       str.flush();
-#endif
+    // where to copy the item?
+    if ( itemDst.IsOk() && !ItemHasChildren(itemDst) )
+    {
+        // copy to the parent then
+        itemDst = GetItemParent(itemDst);
+    }
+
+    if ( !itemDst.IsOk() )
+    {
+        wxLogMessage(wxT("OnEndDrag: can't drop here."));
+
+        return;
+    }
+
+    wxString text = GetItemText(itemSrc);
+    wxLogMessage(wxT("OnEndDrag: '%s' copied to '%s'."),
+                 text.c_str(), GetItemText(itemDst).c_str());
+
+    // just do append here - we could also insert it just before/after the item
+    // on which it was dropped, but this requires slightly more work... we also
+    // completely ignore the client data and icon of the old item but could
+    // copy them as well.
+    //
+    // Finally, we only copy one item here but we might copy the entire tree if
+    // we were dragging a folder.
+    int image = wxGetApp().ShowImages() ? TreeCtrlIcon_File : -1;
+    AppendItem(itemDst, text, image);
+}
+
+void MyTreeCtrl::OnBeginLabelEdit(wxTreeEvent& event)
+{
+    wxLogMessage(wxT("OnBeginLabelEdit"));
+
+    // for testing, prevent this item's label editing
+    wxTreeItemId itemId = event.GetItem();
+    if ( IsTestItem(itemId) )
+    {
+        wxMessageBox(wxT("You can't edit this item."));
+
+        event.Veto();
+    }
+    else if ( itemId == GetRootItem() )
+    {
+        // test that it is possible to change the text of the item being edited
+        SetItemText(itemId, _T("Editing root item"));
+    }

 }
 
 }
 

+void MyTreeCtrl::OnEndLabelEdit(wxTreeEvent& event)
+{
+    wxLogMessage(wxT("OnEndLabelEdit"));
+
+    // don't allow anything except letters in the labels
+    if ( !event.GetLabel().IsWord() )
+    {
+        wxMessageBox(wxT("The new label should be a single word."));
+
+        event.Veto();
+    }
+}
+
+void MyTreeCtrl::OnItemCollapsing(wxTreeEvent& event)
+{
+    wxLogMessage(wxT("OnItemCollapsing"));
+
+    // for testing, prevent the user from collapsing the first child folder
+    wxTreeItemId itemId = event.GetItem();
+    if ( IsTestItem(itemId) )
+    {
+        wxMessageBox(wxT("You can't collapse this item."));
+
+        event.Veto();
+    }
+}
+
+void MyTreeCtrl::OnItemActivated(wxTreeEvent& event)
+{
+    // show some info about this item
+    wxTreeItemId itemId = event.GetItem();
+    MyTreeItemData *item = (MyTreeItemData *)GetItemData(itemId);
+
+    if ( item != NULL )
+    {
+        item->ShowInfo(this);
+    }
+
+    wxLogMessage(wxT("OnItemActivated"));
+}
+
+void MyTreeCtrl::OnItemMenu(wxTreeEvent& event)
+{
+    wxTreeItemId itemId = event.GetItem();
+    MyTreeItemData *item = itemId.IsOk() ? (MyTreeItemData *)GetItemData(itemId)
+                                         : NULL;
+
+    wxLogMessage(wxT("OnItemMenu for item \"%s\""), item ? item->GetDesc()
+                                                         : _T(""));
+
+    event.Skip();
+}
+
+void MyTreeCtrl::OnContextMenu(wxContextMenuEvent& event)
+{
+    wxPoint pt = event.GetPosition();
+    wxTreeItemId item;
+    if ( !HasFlag(wxTR_MULTIPLE) )
+        item = GetSelection();
+    wxLogMessage(wxT("OnContextMenu at screen coords (%i, %i)"), pt.x, pt.y);
+
+    // check if event was generated by keyboard (MSW-specific?)
+    if ( pt.x == -1 && pt.y == -1 ) //(this is how MSW indicates it)
+    {
+        // attempt to guess where to show the menu
+        if ( item.IsOk() )
+        {
+            // if an item was clicked, show menu to the right of it
+            wxRect rect;
+            GetBoundingRect(item, rect, true /* only the label */);
+            pt = wxPoint(rect.GetRight(), rect.GetTop());
+        }
+        else
+        {
+            pt = wxPoint(0, 0);
+        }
+    }
+    else // event was generated by mouse, use supplied coords
+    {
+        pt = ScreenToClient(pt);
+    }
+
+    ShowMenu(item, pt);
+}
+
+void MyTreeCtrl::ShowMenu(wxTreeItemId id, const wxPoint& pt)
+{
+    wxString title;
+    if ( id.IsOk() )
+    {
+        title << wxT("Menu for ") << GetItemText(id);
+    }
+    else
+    {
+        title = wxT("Menu for no particular item");
+    }
+
+#if wxUSE_MENUS
+    wxMenu menu(title);
+    menu.Append(TreeTest_About, wxT("&About..."));
+    menu.Append(TreeTest_Dump, wxT("&Dump"));
+
+    PopupMenu(&menu, pt);
+#endif // wxUSE_MENUS
+}
+
+void MyTreeCtrl::OnItemRClick(wxTreeEvent& event)
+{
+    wxTreeItemId itemId = event.GetItem();
+    MyTreeItemData *item = itemId.IsOk() ? (MyTreeItemData *)GetItemData(itemId)
+                                         : NULL;
+
+    wxLogMessage(wxT("Item \"%s\" right clicked"), item ? item->GetDesc()
+                                                        : _T(""));
+
+    event.Skip();
+}
+
+void MyTreeCtrl::OnRMouseDown(wxMouseEvent& event)
+{
+    wxLogMessage(wxT("Right mouse button down"));
+
+    event.Skip();
+}
+
+void MyTreeCtrl::OnRMouseUp(wxMouseEvent& event)
+{
+    wxLogMessage(wxT("Right mouse button up"));
+
+    event.Skip();
+}
+
+void MyTreeCtrl::OnRMouseDClick(wxMouseEvent& event)
+{
+    wxTreeItemId id = HitTest(event.GetPosition());
+    if ( !id )
+        wxLogMessage(wxT("No item under mouse"));
+    else
+    {
+        MyTreeItemData *item = (MyTreeItemData *)GetItemData(id);
+        if ( item )
+            wxLogMessage(wxT("Item '%s' under mouse"), item->GetDesc());
+    }
+
+    event.Skip();
+}
+
+static inline const wxChar *Bool2String(bool b)
+{
+    return b ? wxT("") : wxT("not ");
+}
+
+void MyTreeItemData::ShowInfo(wxTreeCtrl *tree)
+{
+    wxLogMessage(wxT("Item '%s': %sselected, %sexpanded, %sbold,\n")
+                 wxT("%u children (%u immediately under this item)."),
+                 m_desc.c_str(),
+                 Bool2String(tree->IsSelected(GetId())),
+                 Bool2String(tree->IsExpanded(GetId())),
+                 Bool2String(tree->IsBold(GetId())),
+                 tree->GetChildrenCount(GetId()),
+                 tree->GetChildrenCount(GetId(), false));
+}