]> git.saurik.com Git - wxWidgets.git/blobdiff - samples/treectrl/treetest.cpp
fix handling of long lines in wxGridCellAutoWrapStringRenderer
[wxWidgets.git] / samples / treectrl / treetest.cpp
index 1357cfd5f6a3ff07509c68e7c3a2491cb48eb211..759c7c506768422b088c16561637bf340d04fecf 100644 (file)
 #include "wx/colordlg.h"
 #include "wx/numdlg.h"
 
+#include "wx/artprov.h"
 #include "wx/image.h"
 #include "wx/imaglist.h"
 #include "wx/treectrl.h"
 #include "wx/math.h"
+#include "wx/renderer.h"
 
 #ifdef __WIN32__
     // this is not supported by native control
 #include "icon4.xpm"
 #include "icon5.xpm"
 
+#include "state1.xpm"
+#include "state2.xpm"
+#include "state3.xpm"
+#include "state4.xpm"
+#include "state5.xpm"
+
+#include "unchecked.xpm"
+#include "checked.xpm"
+
 #ifndef __WXMSW__
     #include "../sample.xpm"
 #endif
@@ -63,6 +74,7 @@ BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 
     MENU_LINK(Quit)
     MENU_LINK(About)
+    MENU_LINK(ClearLog)
 
     MENU_LINK(TogButtons)
     MENU_LINK(TogTwist)
@@ -76,6 +88,7 @@ BEGIN_EVENT_TABLE(MyFrame, wxFrame)
     MENU_LINK(SetBgColour)
     MENU_LINK(ResetStyle)
 
+    MENU_LINK(Highlight)
     MENU_LINK(Dump)
 #ifndef NO_MULTIPLE_SELECTION
     MENU_LINK(DumpSelected)
@@ -95,6 +108,9 @@ BEGIN_EVENT_TABLE(MyFrame, wxFrame)
     MENU_LINK(DeleteAll)
     MENU_LINK(Recreate)
     MENU_LINK(ToggleImages)
+    MENU_LINK(ToggleStates)
+    MENU_LINK(ToggleAlternateImages)
+    MENU_LINK(ToggleAlternateStates)
     MENU_LINK(ToggleButtons)
     MENU_LINK(SetImageSize)
     MENU_LINK(CollapseAndReset)
@@ -106,7 +122,18 @@ BEGIN_EVENT_TABLE(MyFrame, wxFrame)
     MENU_LINK(IncSpacing)
     MENU_LINK(DecSpacing)
     MENU_LINK(ToggleIcon)
+    MENU_LINK(ToggleState)
     MENU_LINK(SelectRoot)
+
+    MENU_LINK(ShowFirstVisible)
+#ifdef wxHAS_LAST_VISIBLE
+    MENU_LINK(ShowLastVisible)
+#endif // wxHAS_LAST_VISIBLE
+    MENU_LINK(ShowNextVisible)
+    MENU_LINK(ShowPrevVisible)
+    MENU_LINK(ShowParent)
+    MENU_LINK(ShowPrevSibling)
+    MENU_LINK(ShowNextSibling)
 #undef MENU_LINK
 
 END_EVENT_TABLE()
@@ -135,8 +162,9 @@ BEGIN_EVENT_TABLE(MyTreeCtrl, wxTreeCtrl)
     EVT_TREE_SEL_CHANGING(TreeTest_Ctrl, MyTreeCtrl::OnSelChanging)
     EVT_TREE_KEY_DOWN(TreeTest_Ctrl, MyTreeCtrl::OnTreeKeyDown)
     EVT_TREE_ITEM_ACTIVATED(TreeTest_Ctrl, MyTreeCtrl::OnItemActivated)
+    EVT_TREE_STATE_IMAGE_CLICK(TreeTest_Ctrl, MyTreeCtrl::OnItemStateClick)
 
-    // so many differents ways to handle right mouse button clicks...
+    // so many different 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,
@@ -153,6 +181,9 @@ IMPLEMENT_APP(MyApp)
 
 bool MyApp::OnInit()
 {
+    if ( !wxApp::OnInit() )
+        return false;
+
     // Create the main frame window
     MyFrame *frame = new MyFrame(wxT("wxTreeCtrl Test"), 50, 50, 450, 600);
 
@@ -187,6 +218,8 @@ MyFrame::MyFrame(const wxString& title, int x, int y, int w, int h)
            *tree_menu = new wxMenu,
            *item_menu = new wxMenu;
 
+    file_menu->Append(TreeTest_ClearLog, wxT("&Clear log\tCtrl-L"));
+    file_menu->AppendSeparator();
     file_menu->Append(TreeTest_About, wxT("&About..."));
     file_menu->AppendSeparator();
     file_menu->Append(TreeTest_Quit, wxT("E&xit\tAlt-X"));
@@ -202,9 +235,12 @@ MyFrame::MyFrame(const wxString& title, int x, int y, int w, int h)
     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"));
+    style_menu->AppendCheckItem(TreeTest_ToggleSel, wxT("Toggle &selection mode\tCtrl-S"));
 #endif // NO_MULTIPLE_SELECTION
     style_menu->AppendCheckItem(TreeTest_ToggleImages, wxT("Toggle show ima&ges"));
+    style_menu->AppendCheckItem(TreeTest_ToggleStates, wxT("Toggle show st&ates"));
+    style_menu->AppendCheckItem(TreeTest_ToggleAlternateImages, wxT("Toggle alternate images"));
+    style_menu->AppendCheckItem(TreeTest_ToggleAlternateStates, wxT("Toggle alternate state images"));
     style_menu->Append(TreeTest_SetImageSize, wxT("Set image si&ze..."));
     style_menu->AppendSeparator();
     style_menu->Append(TreeTest_SetFgColour, wxT("Set &foreground colour..."));
@@ -244,6 +280,18 @@ MyFrame::MyFrame(const wxString& title, int x, int y, int w, int h)
     item_menu->Append(TreeTest_ClearBold, wxT("Make item &not bold"));
     item_menu->AppendSeparator();
     item_menu->Append(TreeTest_ToggleIcon, wxT("Toggle the item's &icon"));
+    item_menu->Append(TreeTest_ToggleState, wxT("Toggle the item's &state"));
+    item_menu->AppendSeparator();
+    item_menu->Append(TreeTest_ShowFirstVisible, wxT("Show &first visible"));
+#ifdef wxHAS_LAST_VISIBLE
+    item_menu->Append(TreeTest_ShowLastVisible, wxT("Show &last visible"));
+#endif // wxHAS_LAST_VISIBLE
+    item_menu->Append(TreeTest_ShowNextVisible, wxT("Show &next visible"));
+    item_menu->Append(TreeTest_ShowPrevVisible, wxT("Show &previous visible"));
+    item_menu->AppendSeparator();
+    item_menu->Append(TreeTest_ShowParent, "Show pa&rent");
+    item_menu->Append(TreeTest_ShowPrevSibling, "Show &previous sibling");
+    item_menu->Append(TreeTest_ShowNextSibling, "Show &next sibling");
 
 #ifndef NO_MULTIPLE_SELECTION
     item_menu->AppendSeparator();
@@ -272,6 +320,9 @@ MyFrame::MyFrame(const wxString& title, int x, int y, int w, int h)
     CreateTreeWithDefStyle();
 
     menu_bar->Check(TreeTest_ToggleImages, true);
+    menu_bar->Check(TreeTest_ToggleStates, true);
+    menu_bar->Check(TreeTest_ToggleAlternateImages, false);
+    menu_bar->Check(TreeTest_ToggleAlternateStates, false);
 
 #if wxUSE_STATUSBAR
     // create a status bar
@@ -326,6 +377,9 @@ void MyFrame::CreateTree(long style)
     m_treeCtrl = new MyTreeCtrl(m_panel, TreeTest_Ctrl,
                                 wxDefaultPosition, wxDefaultSize,
                                 style);
+
+    GetMenuBar()->Enable(TreeTest_SelectRoot, !(style & wxTR_HIDE_ROOT));
+
     Resize();
 }
 
@@ -351,14 +405,20 @@ void MyFrame::OnIdle(wxIdleEvent& event)
     if ( m_treeCtrl )
     {
         wxTreeItemId idRoot = m_treeCtrl->GetRootItem();
+        wxString status;
+        if (idRoot.IsOk())
+        {
+            wxTreeItemId idLast = m_treeCtrl->GetLastChild(idRoot);
+            status = wxString::Format(
+                _T("Root/last item is %svisible/%svisible"),
+                m_treeCtrl->IsVisible(idRoot) ? _T("") : _T("not "),
+                idLast.IsOk() && m_treeCtrl->IsVisible(idLast)
+                    ? _T("") : _T("not "));
+        }
+        else
+            status = _T("No root item");
 
-        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);
+        SetStatusText(status, 1);
     }
 #endif // wxUSE_STATUSBAR
 
@@ -383,12 +443,11 @@ void MyFrame::Resize()
 {
     wxSize size = GetClientSize();
     m_treeCtrl->SetSize(0, 0, size.x, size.y
-#if !wxUSE_LOG
-                                            );
-#else
+#if wxUSE_LOG
                                             *2/3);
-    m_textCtrl->SetSize(0, 2*size.y/3, size.x, size.y/3);
+    m_textCtrl->SetSize(0, 2*size.y/3, size.x, size.y/3
 #endif
+    );
 }
 
 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
@@ -404,6 +463,11 @@ void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
                  wxOK | wxICON_INFORMATION, this);
 }
 
+void MyFrame::OnClearLog(wxCommandEvent& WXUNUSED(event))
+{
+    m_textCtrl->Clear();
+}
+
 void MyFrame::OnRename(wxCommandEvent& WXUNUSED(event))
 {
     wxTreeItemId item = m_treeCtrl->GetSelection();
@@ -456,6 +520,26 @@ void MyFrame::DoSort(bool reverse)
     m_treeCtrl->DoSortChildren(item, reverse);
 }
 
+void MyFrame::OnHighlight(wxCommandEvent& WXUNUSED(event))
+{
+    wxTreeItemId id = m_treeCtrl->GetSelection();
+
+    CHECK_ITEM( id );
+
+    wxRect r;
+    if ( !m_treeCtrl->GetBoundingRect(id, r, true /* text, not full row */) )
+    {
+        wxLogMessage(_T("Failed to get bounding item rect"));
+        return;
+    }
+
+    wxClientDC dc(m_treeCtrl);
+    dc.SetBrush(*wxRED);
+    dc.SetPen(*wxTRANSPARENT_PEN);
+    dc.DrawRectangle(r);
+    m_treeCtrl->Update();
+}
+
 void MyFrame::OnDump(wxCommandEvent& WXUNUSED(event))
 {
     wxTreeItemId root = m_treeCtrl->GetSelection();
@@ -477,7 +561,7 @@ void MyFrame::OnDumpSelected(wxCommandEvent& WXUNUSED(event))
     wxArrayTreeItemIds array;
 
     size_t count = m_treeCtrl->GetSelections(array);
-    wxLogMessage(wxT("%u items selected"), count);
+    wxLogMessage(wxT("%u items selected"), unsigned(count));
 
     for ( size_t n = 0; n < count; n++ )
     {
@@ -492,7 +576,8 @@ void MyFrame::OnSelect(wxCommandEvent& WXUNUSED(event))
 
 void MyFrame::OnSelectRoot(wxCommandEvent& WXUNUSED(event))
 {
-    m_treeCtrl->SelectItem(m_treeCtrl->GetRootItem());
+    if ( !m_treeCtrl->HasFlag(wxTR_HIDE_ROOT) )
+        m_treeCtrl->SelectItem(m_treeCtrl->GetRootItem());
 }
 
 void MyFrame::OnUnselect(wxCommandEvent& WXUNUSED(event))
@@ -567,6 +652,41 @@ void MyFrame::OnToggleImages(wxCommandEvent& WXUNUSED(event))
     }
 }
 
+void MyFrame::OnToggleStates(wxCommandEvent& WXUNUSED(event))
+{
+    if ( wxGetApp().ShowStates() )
+    {
+        m_treeCtrl->CreateStateImageList(true);
+        wxGetApp().SetShowStates(false);
+    }
+    else
+    {
+        m_treeCtrl->CreateStateImageList(false);
+        wxGetApp().SetShowStates(true);
+    }
+}
+
+void MyFrame::OnToggleAlternateImages(wxCommandEvent& WXUNUSED(event))
+{
+    bool alternateImages = m_treeCtrl->AlternateImages();
+
+    m_treeCtrl->SetAlternateImages(!alternateImages);
+    m_treeCtrl->CreateImageList(0);
+}
+
+void MyFrame::OnToggleAlternateStates(wxCommandEvent& WXUNUSED(event))
+{
+    bool alternateStates = m_treeCtrl->AlternateStates();
+
+    m_treeCtrl->SetAlternateStates(!alternateStates);
+    m_treeCtrl->CreateStateImageList();
+
+    // normal states < alternate states
+    // so we must reset broken states
+    if ( alternateStates )
+        m_treeCtrl->ResetBrokenStateImages();
+}
+
 void MyFrame::OnToggleButtons(wxCommandEvent& WXUNUSED(event))
 {
 #if USE_GENERIC_TREECTRL || !defined(__WXMSW__)
@@ -648,6 +768,49 @@ void MyFrame::OnToggleIcon(wxCommandEvent& WXUNUSED(event))
     m_treeCtrl->DoToggleIcon(item);
 }
 
+void MyFrame::OnToggleState(wxCommandEvent& WXUNUSED(event))
+{
+    wxTreeItemId item = m_treeCtrl->GetSelection();
+
+    CHECK_ITEM( item );
+
+    m_treeCtrl->DoToggleState(item);
+}
+
+void MyFrame::DoShowFirstOrLast(TreeFunc0_t pfn, const wxString& label)
+{
+    const wxTreeItemId item = (m_treeCtrl->*pfn)();
+
+    if ( !item.IsOk() )
+        wxLogMessage("There is no %s item", label);
+    else
+        wxLogMessage("The %s item is \"%s\"",
+                     label, m_treeCtrl->GetItemText(item));
+}
+
+void MyFrame::DoShowRelativeItem(TreeFunc1_t pfn, const wxString& label)
+{
+    wxTreeItemId item = m_treeCtrl->GetSelection();
+
+    CHECK_ITEM( item );
+
+    if ((pfn == (TreeFunc1_t) &wxTreeCtrl::GetPrevVisible
+         || pfn == (TreeFunc1_t) &wxTreeCtrl::GetNextVisible)
+        && !m_treeCtrl->IsVisible(item))
+    {
+        wxLogMessage("The selected item must be visible.");
+        return;
+    }
+
+    wxTreeItemId new_item = (m_treeCtrl->*pfn)(item);
+
+    if ( !new_item.IsOk() )
+        wxLogMessage("There is no %s item", label);
+    else
+        wxLogMessage("The %s item is \"%s\"",
+                     label, m_treeCtrl->GetItemText(new_item));
+}
+
 void MyFrame::OnSetFgColour(wxCommandEvent& WXUNUSED(event))
 {
     wxColour col = wxGetColourFromUser(this, m_treeCtrl->GetForegroundColour());
@@ -672,11 +835,14 @@ IMPLEMENT_DYNAMIC_CLASS(MyTreeCtrl, wxTreeCtrl)
 MyTreeCtrl::MyTreeCtrl(wxWindow *parent, const wxWindowID id,
                        const wxPoint& pos, const wxSize& size,
                        long style)
-          : wxTreeCtrl(parent, id, pos, size, style)
+          : wxTreeCtrl(parent, id, pos, size, style),
+            m_alternateImages(false),
+            m_alternateStates(false)
 {
     m_reverseSort = false;
 
     CreateImageList();
+    CreateStateImageList();
 
     // Add some items to the tree
     AddTestItemsToTree(5, 2);
@@ -700,15 +866,29 @@ void MyTreeCtrl::CreateImageList(int size)
     // 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();
+    if (m_alternateImages)
+    {
+        icons[TreeCtrlIcon_File] = wxIcon(icon1_xpm);
+        icons[TreeCtrlIcon_FileSelected] = wxIcon(icon2_xpm);
+        icons[TreeCtrlIcon_Folder] = wxIcon(icon3_xpm);
+        icons[TreeCtrlIcon_FolderSelected] = wxIcon(icon4_xpm);
+        icons[TreeCtrlIcon_FolderOpened] = wxIcon(icon5_xpm);
+    }
+    else
+    {
+        wxSize iconSize(size, size);
+
+        icons[TreeCtrlIcon_File] =
+        icons[TreeCtrlIcon_FileSelected] = wxArtProvider::GetIcon(wxART_NORMAL_FILE, wxART_LIST, iconSize);
+        icons[TreeCtrlIcon_Folder] =
+        icons[TreeCtrlIcon_FolderSelected] =
+        icons[TreeCtrlIcon_FolderOpened] = wxArtProvider::GetIcon(wxART_FOLDER, wxART_LIST, iconSize);
+    }
+
     for ( size_t i = 0; i < WXSIZEOF(icons); i++ )
     {
+        int sizeOrig = icons[0].GetWidth();
         if ( size == sizeOrig )
         {
             images->Add(icons[i]);
@@ -722,6 +902,54 @@ void MyTreeCtrl::CreateImageList(int size)
     AssignImageList(images);
 }
 
+void MyTreeCtrl::CreateStateImageList(bool del)
+{
+    if ( del )
+    {
+        SetStateImageList(NULL);
+        return;
+    }
+
+    wxImageList *states;
+    wxBusyCursor wait;
+
+    if (m_alternateStates)
+    {
+        wxIcon icons[5];
+        icons[0] = wxIcon(state1_xpm);  // yellow
+        icons[1] = wxIcon(state2_xpm);  // green
+        icons[2] = wxIcon(state3_xpm);  // red
+        icons[3] = wxIcon(state4_xpm);  // blue
+        icons[4] = wxIcon(state5_xpm);  // black
+
+        int width  = icons[0].GetWidth(),
+            height = icons[0].GetHeight();
+
+        // Make an state image list containing small icons
+        states = new wxImageList(width, height, true);
+
+        for ( size_t i = 0; i < WXSIZEOF(icons); i++ )
+            states->Add(icons[i]);
+    }
+    else
+    {
+        wxIcon icons[2];
+        icons[0] = wxIcon(unchecked_xpm);
+        icons[1] = wxIcon(checked_xpm);
+        
+        int width  = icons[0].GetWidth(),
+            height = icons[0].GetHeight();
+            
+        // Make an state image list containing small icons
+        states = new wxImageList(width, height, true);
+
+        for ( size_t i = 0; i < WXSIZEOF(icons); i++ )
+            states->Add(icons[i]);
+    }
+
+    AssignStateImageList(states);
+}
+
 #if USE_GENERIC_TREECTRL || !defined(__WXMSW__)
 void MyTreeCtrl::CreateButtonsImageList(int size)
 {
@@ -737,12 +965,25 @@ void MyTreeCtrl::CreateButtonsImageList(int size)
     // 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++ )
+    if (m_alternateImages)
+    {
+        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
+    }
+    else
+    {
+        wxSize iconSize(size, size);
+
+        icons[0] =                                                                 // closed
+        icons[1] = wxArtProvider::GetIcon(wxART_FOLDER, wxART_LIST, iconSize);     // closed, selected
+        icons[2] =                                                                 // open
+        icons[3] = wxArtProvider::GetIcon(wxART_FOLDER_OPEN, wxART_LIST, iconSize);// open, selected
+    }
+
+   for ( size_t i = 0; i < WXSIZEOF(icons); i++ )
     {
         int sizeOrig = icons[i].GetWidth();
         if ( size == sizeOrig )
@@ -790,9 +1031,9 @@ void MyTreeCtrl::AddItemsRecursively(const wxTreeItemId& idParent,
         {
             // at depth 1 elements won't have any more children
             if ( hasChildren )
-                str.Printf(wxT("%s child %d"), wxT("Folder"), n + 1);
+                str.Printf(wxT("%s child %u"), wxT("Folder"), unsigned(n + 1));
             else
-                str.Printf(wxT("%s child %d.%d"), wxT("File"), folder, n + 1);
+                str.Printf(wxT("%s child %u.%u"), wxT("File"), unsigned(folder), unsigned(n + 1));
 
             // here we pass to AppendItem() normal and selected item images (we
             // suppose that selected image follows the normal one in the enum)
@@ -809,6 +1050,9 @@ void MyTreeCtrl::AddItemsRecursively(const wxTreeItemId& idParent,
             wxTreeItemId id = AppendItem(idParent, str, image, imageSel,
                                          new MyTreeItemData(str));
 
+            if ( wxGetApp().ShowStates() )
+                SetItemState(id, 0);
+
             // and now we also set the expanded one (only for the folders)
             if ( hasChildren && wxGetApp().ShowImages() )
             {
@@ -835,7 +1079,7 @@ void MyTreeCtrl::AddTestItemsToTree(size_t numChildren,
     wxTreeItemId rootId = AddRoot(wxT("Root"),
                                   image, image,
                                   new MyTreeItemData(wxT("Root item")));
-    if ( image != -1 )
+    if ( !HasFlag(wxTR_HIDE_ROOT) && image != -1 )
     {
         SetItemImage(rootId, TreeCtrlIcon_FolderOpened, wxTreeItemIcon_Expanded);
     }
@@ -843,7 +1087,8 @@ void MyTreeCtrl::AddTestItemsToTree(size_t numChildren,
     AddItemsRecursively(rootId, numChildren, depth, 0);
 
     // set some colours/fonts for testing
-    SetItemFont(rootId, *wxITALIC_FONT);
+    if ( !HasFlag(wxTR_HIDE_ROOT) )
+        SetItemFont(rootId, *wxITALIC_FONT);
 
     wxTreeItemIdValue cookie;
     wxTreeItemId id = GetFirstChild(rootId, cookie);
@@ -879,28 +1124,78 @@ void MyTreeCtrl::GetItemsRecursively(const wxTreeItemId& idParent,
 
 void MyTreeCtrl::DoToggleIcon(const wxTreeItemId& item)
 {
-    int image = (GetItemImage(item) == TreeCtrlIcon_Folder)
+    int image = GetItemImage(item) == TreeCtrlIcon_Folder
                     ? TreeCtrlIcon_File
                     : TreeCtrlIcon_Folder;
     SetItemImage(item, image, wxTreeItemIcon_Normal);
 
-    image = (GetItemImage(item) == TreeCtrlIcon_FolderSelected)
+    image = GetItemImage(item, wxTreeItemIcon_Selected) == TreeCtrlIcon_FolderSelected
                     ? TreeCtrlIcon_FileSelected
                     : TreeCtrlIcon_FolderSelected;
     SetItemImage(item, image, wxTreeItemIcon_Selected);
 }
 
+void MyTreeCtrl::DoToggleState(const wxTreeItemId& item)
+{
+    if ( m_alternateStates )
+    {
+        // sets random state unlike current
+        int state = GetItemState(item);
+        int nState;
+
+        srand (time(NULL));
+        do {
+            nState = rand() % GetStateImageList()->GetImageCount();
+        } while (nState == state);
+
+        SetItemState(item, nState);
+    }
+    else
+    {
+        // we have only 2 checkbox states, so next state will be reversed
+        SetItemState(item, wxTREE_ITEMSTATE_NEXT);
+    }
+}
+
+void MyTreeCtrl::DoResetBrokenStateImages(const wxTreeItemId& idParent,
+                                          wxTreeItemIdValue cookie, int state)
+{
+    wxTreeItemId id;
+
+    if ( !cookie )
+        id = GetFirstChild(idParent, cookie);
+    else
+        id = GetNextChild(idParent, cookie);
+
+    if ( !id.IsOk() )
+        return;
+
+    int curState = GetItemState(id);
+    if ( curState != wxTREE_ITEMSTATE_NONE && curState > state )
+        SetItemState(id, state);
+
+    if (ItemHasChildren(id))
+        DoResetBrokenStateImages(id, 0, state);
+
+    DoResetBrokenStateImages(idParent, cookie, state);
+}
+
+void MyTreeCtrl::LogEvent(const wxChar *name, const wxTreeEvent& event)
+{
+    wxTreeItemId item = event.GetItem();
+    wxString text;
+    if ( item.IsOk() )
+        text << _T('"') << GetItemText(item).c_str() << _T('"');
+    else
+        text = _T("invalid item");
+    wxLogMessage(wxT("%s(%s)"), name, text.c_str());
+}
 
 // avoid repetition
 #define TREE_EVENT_HANDLER(name)                                 \
 void MyTreeCtrl::name(wxTreeEvent& event)                        \
 {                                                                \
-    wxLogMessage( wxT("%s from:"), wxT(#name) );                 \
-    wxTreeItemId item = event.GetItem();                         \
-    if (item.IsOk())                                             \
-        wxLogMessage( GetItemText(item) );                       \
-    else                                                         \
-        wxLogMessage(wxT("invalid item"));                       \
+    LogEvent(_T(#name), event);                                  \
     SetLastItem(wxTreeItemId());                                 \
     event.Skip();                                                \
 }
@@ -1058,8 +1353,12 @@ void MyTreeCtrl::OnBeginDrag(wxTreeEvent& event)
     {
         m_draggedItem = event.GetItem();
 
-        wxLogMessage(wxT("OnBeginDrag: started dragging %s"),
-                     GetItemText(m_draggedItem).c_str());
+        wxPoint clientpt = event.GetPoint();
+        wxPoint screenpt = ClientToScreen(clientpt);
+
+        wxLogMessage(wxT("OnBeginDrag: started dragging %s at screen coords (%i,%i)"),
+                     GetItemText(m_draggedItem).c_str(),
+                     screenpt.x, screenpt.y);
 
         event.Allow();
     }
@@ -1101,7 +1400,10 @@ void MyTreeCtrl::OnEndDrag(wxTreeEvent& event)
     // 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);
+    wxTreeItemId id = AppendItem(itemDst, text, image);
+
+    if ( wxGetApp().ShowStates() )
+        SetItemState(id, GetItemState(itemSrc));
 }
 
 void MyTreeCtrl::OnBeginLabelEdit(wxTreeEvent& event)
@@ -1164,48 +1466,38 @@ void MyTreeCtrl::OnItemActivated(wxTreeEvent& event)
     wxLogMessage(wxT("OnItemActivated"));
 }
 
+void MyTreeCtrl::OnItemStateClick(wxTreeEvent& event)
+{
+    // toggle item state
+    wxTreeItemId itemId = event.GetItem();
+    DoToggleState(itemId);
+
+    wxLogMessage(wxT("Item \"%s\" state changed to %d"),
+                 GetItemText(itemId), GetItemState(itemId));
+}
+
 void MyTreeCtrl::OnItemMenu(wxTreeEvent& event)
 {
     wxTreeItemId itemId = event.GetItem();
     MyTreeItemData *item = itemId.IsOk() ? (MyTreeItemData *)GetItemData(itemId)
                                          : NULL;
+    wxPoint clientpt = event.GetPoint();
+    wxPoint screenpt = ClientToScreen(clientpt);
 
-    wxLogMessage(wxT("OnItemMenu for item \"%s\""), item ? item->GetDesc()
-                                                         : _T(""));
+    wxLogMessage(wxT("OnItemMenu for item \"%s\" at screen coords (%i, %i)"),
+                 item ? item->GetDesc() : _T(""), screenpt.x, screenpt.y);
 
+    ShowMenu(itemId, clientpt);
     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);
-    }
+    wxLogMessage(wxT("OnContextMenu at screen coords (%i, %i)"), pt.x, pt.y);
 
-    ShowMenu(item, pt);
+    event.Skip();
 }
 
 void MyTreeCtrl::ShowMenu(wxTreeItemId id, const wxPoint& pt)
@@ -1223,6 +1515,8 @@ void MyTreeCtrl::ShowMenu(wxTreeItemId id, const wxPoint& pt)
 #if wxUSE_MENUS
     wxMenu menu(title);
     menu.Append(TreeTest_About, wxT("&About..."));
+    menu.AppendSeparator();
+    menu.Append(TreeTest_Highlight, wxT("&Highlight item"));
     menu.Append(TreeTest_Dump, wxT("&Dump"));
 
     PopupMenu(&menu, pt);
@@ -1283,6 +1577,6 @@ void MyTreeItemData::ShowInfo(wxTreeCtrl *tree)
                  Bool2String(tree->IsSelected(GetId())),
                  Bool2String(tree->IsExpanded(GetId())),
                  Bool2String(tree->IsBold(GetId())),
-                 tree->GetChildrenCount(GetId()),
-                 tree->GetChildrenCount(GetId(), false));
+                 unsigned(tree->GetChildrenCount(GetId())),
+                 unsigned(tree->GetChildrenCount(GetId(), false)));
 }