X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a978c7d258feaecc048d03e9557f64269a3378ed..ef0f138756ebe8f7cd7f3212377bef9d65e8e920:/samples/treectrl/treetest.cpp

diff --git a/samples/treectrl/treetest.cpp b/samples/treectrl/treetest.cpp
index 3af468f441..1eab7f8e13 100644
--- a/samples/treectrl/treetest.cpp
+++ b/samples/treectrl/treetest.cpp
@@ -76,6 +76,7 @@ BEGIN_EVENT_TABLE(MyFrame, wxFrame)
     MENU_LINK(SetBgColour)
     MENU_LINK(ResetStyle)
 
+    MENU_LINK(Highlight)
     MENU_LINK(Dump)
 #ifndef NO_MULTIPLE_SELECTION
     MENU_LINK(DumpSelected)
@@ -153,6 +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);
 
@@ -326,6 +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();
 }
 
@@ -351,14 +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
 
@@ -456,6 +469,26 @@ 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();
@@ -492,7 +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))
@@ -835,7 +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);
     }
@@ -843,7 +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);
@@ -1063,8 +1098,12 @@ 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();
     }
@@ -1174,45 +1213,21 @@ 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;
-    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)
-    {
-        if ( !HasFlag(wxTR_MULTIPLE) )
-            item = GetSelection();
-
-        // 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);
-        item = HitTest(pt);
-    }
 
-    ShowMenu(item, pt);
+    wxLogMessage(wxT("OnContextMenu at screen coords (%i, %i)"), pt.x, pt.y);
 }
 
 void MyTreeCtrl::ShowMenu(wxTreeItemId id, const wxPoint& pt)
@@ -1230,6 +1245,8 @@ 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);