X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/5708ae18f2c9b164713918405a6a738ca5538550..e1efca652844273c3e8d32c7e5f442b87e455ca7:/samples/treectrl/treetest.cpp

diff --git a/samples/treectrl/treetest.cpp b/samples/treectrl/treetest.cpp
index 5ac4e9c5cb..8bfb579636 100644
--- a/samples/treectrl/treetest.cpp
+++ b/samples/treectrl/treetest.cpp
@@ -6,7 +6,7 @@
 // Created:     04/01/98
 // RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart
-// Licence:     wxWindows license
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // For compilers that support precompilation, includes "wx/wx.h".
@@ -142,6 +142,7 @@ BEGIN_EVENT_TABLE(MyFrame, wxFrame)
     MENU_LINK(ShowPrevSibling)
     MENU_LINK(ShowNextSibling)
     MENU_LINK(ScrollTo)
+    MENU_LINK(SelectLast)
 #undef MENU_LINK
 
 END_EVENT_TABLE()
@@ -197,7 +198,6 @@ bool MyApp::OnInit()
 
     // Show the frame
     frame->Show(true);
-    SetTopWindow(frame);
 
     return true;
 }
@@ -308,6 +308,8 @@ MyFrame::MyFrame(const wxString& title, int x, int y, int w, int h)
     item_menu->AppendSeparator();
     item_menu->Append(TreeTest_ScrollTo, "Scroll &to item",
                       "Scroll to the last by one top level child");
+    item_menu->Append(TreeTest_SelectLast, "Select &last item",
+                      "Select the last item");
 
 #ifndef NO_MULTIPLE_SELECTION
     item_menu->AppendSeparator();
@@ -804,7 +806,7 @@ void MyFrame::OnDecSpacing(wxCommandEvent& WXUNUSED(event))
     {
         m_treeCtrl->SetSpacing( indent-5 );
         m_treeCtrl->Refresh();
-    } 
+    }
 }
 
 void MyFrame::OnToggleIcon(wxCommandEvent& WXUNUSED(event))
@@ -878,17 +880,35 @@ void MyFrame::OnScrollTo(wxCommandEvent& WXUNUSED(event))
     m_treeCtrl->ScrollTo(item);
 }
 
+void MyFrame::OnSelectLast(wxCommandEvent& WXUNUSED(event))
+{
+    // select the very last item of the tree
+    wxTreeItemId item = m_treeCtrl->GetRootItem();
+    for ( ;; )
+    {
+        wxTreeItemId itemChild = m_treeCtrl->GetLastChild(item);
+        if ( !itemChild.IsOk() )
+            break;
+
+        item = itemChild;
+    }
+
+    CHECK_ITEM( item );
+
+    m_treeCtrl->SelectItem(item);
+}
+
 void MyFrame::OnSetFgColour(wxCommandEvent& WXUNUSED(event))
 {
     wxColour col = wxGetColourFromUser(this, m_treeCtrl->GetForegroundColour());
-    if ( col.Ok() )
+    if ( col.IsOk() )
         m_treeCtrl->SetForegroundColour(col);
 }
 
 void MyFrame::OnSetBgColour(wxCommandEvent& WXUNUSED(event))
 {
     wxColour col = wxGetColourFromUser(this, m_treeCtrl->GetBackgroundColour());
-    if ( col.Ok() )
+    if ( col.IsOk() )
         m_treeCtrl->SetBackgroundColour(col);
 }
 
@@ -1003,10 +1023,10 @@ void MyTreeCtrl::CreateStateImageList(bool del)
         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);
 
@@ -1550,13 +1570,14 @@ void MyTreeCtrl::OnItemStateClick(wxTreeEvent& event)
 void MyTreeCtrl::OnItemMenu(wxTreeEvent& event)
 {
     wxTreeItemId itemId = event.GetItem();
-    MyTreeItemData *item = itemId.IsOk() ? (MyTreeItemData *)GetItemData(itemId)
-                                         : NULL;
+    wxCHECK_RET( itemId.IsOk(), "should have a valid item" );
+
+    MyTreeItemData *item = (MyTreeItemData *)GetItemData(itemId);
     wxPoint clientpt = event.GetPoint();
     wxPoint screenpt = ClientToScreen(clientpt);
 
     wxLogMessage(wxT("OnItemMenu for item \"%s\" at screen coords (%i, %i)"),
-                 item ? item->GetDesc() : wxT(""), screenpt.x, screenpt.y);
+                 item->GetDesc(), screenpt.x, screenpt.y);
 
     ShowMenu(itemId, clientpt);
     event.Skip();
@@ -1597,11 +1618,11 @@ void MyTreeCtrl::ShowMenu(wxTreeItemId id, const wxPoint& pt)
 void MyTreeCtrl::OnItemRClick(wxTreeEvent& event)
 {
     wxTreeItemId itemId = event.GetItem();
-    MyTreeItemData *item = itemId.IsOk() ? (MyTreeItemData *)GetItemData(itemId)
-                                         : NULL;
+    wxCHECK_RET( itemId.IsOk(), "should have a valid item" );
+
+    MyTreeItemData *item = (MyTreeItemData *)GetItemData(itemId);
 
-    wxLogMessage(wxT("Item \"%s\" right clicked"), item ? item->GetDesc()
-                                                        : wxT(""));
+    wxLogMessage(wxT("Item \"%s\" right clicked"), item->GetDesc());
 
     event.Skip();
 }