compilation fix for Unicode build: remove ambiguity arising when trying to pass wxCha...

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

diff --git a/samples/treectrl/treetest.cpp b/samples/treectrl/treetest.cpp
index 70988cda7ccfca6993f760d93471cd00b70497d2..1eab7f8e1394aad5f8637b161c459945df7d0a60 100644 (file)
--- a/samples/treectrl/treetest.cpp
+++ b/samples/treectrl/treetest.cpp
@@ -154,6 +154,9 @@ 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);
 
@@ -327,6 +330,9 @@ 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();
 }
 
@@ -352,14 +358,20 @@ 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
 
@@ -513,7 +525,8 @@ 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))
@@ -856,7 +869,7 @@ 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);
     }
@@ -864,7 +877,8 @@ 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);