X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/6ef2b230567a8b1a48a2fcda5fa435090cd6428f..e8b90482676205a0fc997be9fcdc47ef62a37211:/samples/listctrl/listtest.cpp

diff --git a/samples/listctrl/listtest.cpp b/samples/listctrl/listtest.cpp
index 23ee183e1e..bbf8ea7207 100644
--- a/samples/listctrl/listtest.cpp
+++ b/samples/listctrl/listtest.cpp
@@ -43,9 +43,15 @@
 #include "wx/colordlg.h"        // for wxGetColourFromUser
 #include "wx/settings.h"
 #include "wx/sysopt.h"
+#include "wx/numdlg.h"
 
 #include "listtest.h"
 
+
+// ----------------------------------------------------------------------------
+// Constants and globals
+// ----------------------------------------------------------------------------
+
 const wxChar *SMALL_VIRTUAL_VIEW_ITEMS[][2] =
 {
     { _T("Cat"), _T("meow") },
@@ -60,6 +66,50 @@ const wxChar *SMALL_VIRTUAL_VIEW_ITEMS[][2] =
     { _T("Sheep"), _T("baaah") },
 };
 
+// number of items in icon/small icon view
+static const int NUM_ICONS = 9;
+
+int wxCALLBACK
+MyCompareFunction(long item1, long item2, wxIntPtr WXUNUSED(sortData))
+{
+    // inverse the order
+    if (item1 < item2)
+        return -1;
+    if (item1 > item2)
+        return 1;
+
+    return 0;
+}
+
+
+// ----------------------------------------------------------------------------
+// MyApp
+// ----------------------------------------------------------------------------
+
+IMPLEMENT_APP(MyApp)
+
+// `Main program' equivalent, creating windows and returning main app frame
+bool MyApp::OnInit()
+{
+    if ( !wxApp::OnInit() )
+        return false;
+
+    // Create the main frame window
+    MyFrame *frame = new MyFrame(wxT("wxListCtrl Test"));
+
+    // Show the frame
+    frame->Show(true);
+
+    SetTopWindow(frame);
+
+    return true;
+}
+
+
+
+// ----------------------------------------------------------------------------
+// MyFrame
+// ----------------------------------------------------------------------------
 
 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
     EVT_SIZE(MyFrame::OnSize)
@@ -75,6 +125,8 @@ BEGIN_EVENT_TABLE(MyFrame, wxFrame)
     EVT_MENU(LIST_VIRTUAL_VIEW, MyFrame::OnVirtualView)
     EVT_MENU(LIST_SMALL_VIRTUAL_VIEW, MyFrame::OnSmallVirtualView)
 
+    EVT_MENU(LIST_SET_ITEMS_COUNT, MyFrame::OnSetItemsCount)
+
     EVT_MENU(LIST_GOTO, MyFrame::OnGoTo)
     EVT_MENU(LIST_FOCUS_LAST, MyFrame::OnFocusLast)
     EVT_MENU(LIST_TOGGLE_FIRST, MyFrame::OnToggleFirstSel)
@@ -90,80 +142,23 @@ BEGIN_EVENT_TABLE(MyFrame, wxFrame)
     EVT_MENU(LIST_TOGGLE_MULTI_SEL, MyFrame::OnToggleMultiSel)
     EVT_MENU(LIST_SHOW_COL_INFO, MyFrame::OnShowColInfo)
     EVT_MENU(LIST_SHOW_SEL_INFO, MyFrame::OnShowSelInfo)
+    EVT_MENU(LIST_SHOW_VIEW_RECT, MyFrame::OnShowViewRect)
+#ifdef wxHAS_LISTCTRL_COLUMN_ORDER
+    EVT_MENU(LIST_SET_COL_ORDER, MyFrame::OnSetColOrder)
+    EVT_MENU(LIST_GET_COL_ORDER, MyFrame::OnGetColOrder)
+#endif // wxHAS_LISTCTRL_COLUMN_ORDER
     EVT_MENU(LIST_FREEZE, MyFrame::OnFreeze)
     EVT_MENU(LIST_THAW, MyFrame::OnThaw)
     EVT_MENU(LIST_TOGGLE_LINES, MyFrame::OnToggleLines)
+#ifdef __WXOSX__
     EVT_MENU(LIST_MAC_USE_GENERIC, MyFrame::OnToggleMacUseGeneric)
+#endif // __WXOSX__
+    EVT_MENU(LIST_FIND, MyFrame::OnFind)
 
     EVT_UPDATE_UI(LIST_SHOW_COL_INFO, MyFrame::OnUpdateShowColInfo)
     EVT_UPDATE_UI(LIST_TOGGLE_MULTI_SEL, MyFrame::OnUpdateToggleMultiSel)
 END_EVENT_TABLE()
 
-BEGIN_EVENT_TABLE(MyListCtrl, wxListCtrl)
-    EVT_LIST_BEGIN_DRAG(LIST_CTRL, MyListCtrl::OnBeginDrag)
-    EVT_LIST_BEGIN_RDRAG(LIST_CTRL, MyListCtrl::OnBeginRDrag)
-    EVT_LIST_BEGIN_LABEL_EDIT(LIST_CTRL, MyListCtrl::OnBeginLabelEdit)
-    EVT_LIST_END_LABEL_EDIT(LIST_CTRL, MyListCtrl::OnEndLabelEdit)
-    EVT_LIST_DELETE_ITEM(LIST_CTRL, MyListCtrl::OnDeleteItem)
-    EVT_LIST_DELETE_ALL_ITEMS(LIST_CTRL, MyListCtrl::OnDeleteAllItems)
-    EVT_LIST_ITEM_SELECTED(LIST_CTRL, MyListCtrl::OnSelected)
-    EVT_LIST_ITEM_DESELECTED(LIST_CTRL, MyListCtrl::OnDeselected)
-    EVT_LIST_KEY_DOWN(LIST_CTRL, MyListCtrl::OnListKeyDown)
-    EVT_LIST_ITEM_ACTIVATED(LIST_CTRL, MyListCtrl::OnActivated)
-    EVT_LIST_ITEM_FOCUSED(LIST_CTRL, MyListCtrl::OnFocused)
-
-    EVT_LIST_COL_CLICK(LIST_CTRL, MyListCtrl::OnColClick)
-    EVT_LIST_COL_RIGHT_CLICK(LIST_CTRL, MyListCtrl::OnColRightClick)
-    EVT_LIST_COL_BEGIN_DRAG(LIST_CTRL, MyListCtrl::OnColBeginDrag)
-    EVT_LIST_COL_DRAGGING(LIST_CTRL, MyListCtrl::OnColDragging)
-    EVT_LIST_COL_END_DRAG(LIST_CTRL, MyListCtrl::OnColEndDrag)
-
-    EVT_LIST_CACHE_HINT(LIST_CTRL, MyListCtrl::OnCacheHint)
-
-#if USE_CONTEXT_MENU
-    EVT_CONTEXT_MENU(MyListCtrl::OnContextMenu)
-#endif
-    EVT_CHAR(MyListCtrl::OnChar)
-
-    EVT_RIGHT_DOWN(MyListCtrl::OnRightClick)
-END_EVENT_TABLE()
-
-IMPLEMENT_APP(MyApp)
-
-// number of items in list/report view
-static const int NUM_ITEMS = 10;
-
-// number of items in icon/small icon view
-static const int NUM_ICONS = 9;
-
-int wxCALLBACK MyCompareFunction(long item1, long item2, long WXUNUSED(sortData))
-{
-    // inverse the order
-    if (item1 < item2)
-        return -1;
-    if (item1 > item2)
-        return 1;
-
-    return 0;
-}
-
-// `Main program' equivalent, creating windows and returning main app frame
-bool MyApp::OnInit()
-{
-  if ( !wxApp::OnInit() )
-      return false;
-
-  // Create the main frame window
-  MyFrame *frame = new MyFrame(wxT("wxListCtrl Test"));
-
-  // Show the frame
-  frame->Show(true);
-
-  SetTopWindow(frame);
-
-  return true;
-}
-
 // My frame constructor
 MyFrame::MyFrame(const wxChar *title)
        : wxFrame(NULL, wxID_ANY, title, wxDefaultPosition, wxSize(600, 500))
@@ -171,6 +166,7 @@ MyFrame::MyFrame(const wxChar *title)
     m_listCtrl = NULL;
     m_logWindow = NULL;
     m_smallVirtual = false;
+    m_numListItems = 10;
 
     // Give it an icon
     SetIcon( wxICON(mondrian) );
@@ -221,7 +217,10 @@ MyFrame::MyFrame(const wxChar *title)
     menuView->Append(LIST_SMALL_ICON_TEXT_VIEW, _T("Small icon &view with text\tF6"));
     menuView->Append(LIST_VIRTUAL_VIEW, _T("&Virtual view\tF7"));
     menuView->Append(LIST_SMALL_VIRTUAL_VIEW, _T("Small virtual vie&w\tF8"));
-#ifdef __WXMAC__
+    menuView->AppendSeparator();
+    menuView->Append(LIST_SET_ITEMS_COUNT, "Set &number of items");
+#ifdef __WXOSX__
+    menuView->AppendSeparator();
     menuView->AppendCheckItem(LIST_MAC_USE_GENERIC, _T("Mac: Use Generic Control"));
 #endif
 
@@ -234,8 +233,14 @@ MyFrame::MyFrame(const wxChar *title)
     menuList->AppendSeparator();
     menuList->Append(LIST_SHOW_COL_INFO, _T("Show &column info\tCtrl-C"));
     menuList->Append(LIST_SHOW_SEL_INFO, _T("Show &selected items\tCtrl-S"));
+    menuList->Append(LIST_SHOW_VIEW_RECT, _T("Show &view rect"));
+#ifdef wxHAS_LISTCTRL_COLUMN_ORDER
+    menuList->Append(LIST_SET_COL_ORDER, _T("Se&t columns order\tShift-Ctrl-O"));
+    menuList->Append(LIST_GET_COL_ORDER, _T("Sho&w columns order\tCtrl-O"));
+#endif // wxHAS_LISTCTRL_COLUMN_ORDER
     menuList->AppendSeparator();
-    menuList->Append(LIST_SORT, _T("&Sort\tCtrl-S"));
+    menuList->Append(LIST_SORT, _T("Sor&t\tCtrl-T"));
+    menuList->Append(LIST_FIND, "Test Find() performance");
     menuList->AppendSeparator();
     menuList->Append(LIST_ADD, _T("&Append an item\tCtrl-P"));
     menuList->Append(LIST_EDIT, _T("&Edit the item\tCtrl-E"));
@@ -269,6 +274,12 @@ MyFrame::MyFrame(const wxChar *title)
 
     RecreateList(wxLC_REPORT | wxLC_SINGLE_SEL);
 
+#ifdef __WXMSW__
+    // this is useful to know specially when debugging :)
+    wxLogMessage("Your version of comctl32.dll is: %d", 
+                 wxApp::GetComCtl32Version());
+#endif
+
 #if wxUSE_STATUSBAR
     CreateStatusBar();
 #endif // wxUSE_STATUSBAR
@@ -297,7 +308,7 @@ void MyFrame::DoSize()
     wxSize size = GetClientSize();
     wxCoord y = (2*size.y)/3;
     m_listCtrl->SetSize(0, 0, size.x, y);
-    m_logWindow->SetSize(0, y + 1, size.x, size.y - y);
+    m_logWindow->SetSize(0, y + 1, size.x, size.y - y -1);
 }
 
 bool MyFrame::CheckNonVirtual() const
@@ -343,11 +354,15 @@ void MyFrame::OnToggleLines(wxCommandEvent& event)
     m_listCtrl->SetSingleStyle(wxLC_HRULES | wxLC_VRULES, event.IsChecked());
 }
 
+#ifdef __WXOSX__
+
 void MyFrame::OnToggleMacUseGeneric(wxCommandEvent& event)
 {
     wxSystemOptions::SetOption(wxT("mac.listctrl.always_use_generic"), event.IsChecked());
 }
 
+#endif // __WXOSX__
+
 void MyFrame::OnGoTo(wxCommandEvent& WXUNUSED(event))
 {
     long index = 3;
@@ -415,7 +430,7 @@ void MyFrame::RecreateList(long flags, bool withText)
         m_listCtrl = new MyListCtrl(m_panel, LIST_CTRL,
                                     wxDefaultPosition, wxDefaultSize,
                                     flags |
-                                    wxSUNKEN_BORDER | wxLC_EDIT_LABELS);
+                                    wxBORDER_THEME | wxLC_EDIT_LABELS);
 
         switch ( flags & wxLC_MASK_TYPE )
         {
@@ -455,7 +470,7 @@ void MyFrame::OnListView(wxCommandEvent& WXUNUSED(event))
 
 void MyFrame::InitWithListItems()
 {
-    for ( int i = 0; i < NUM_ITEMS; i++ )
+    for ( int i = 0; i < m_numListItems; i++ )
     {
         m_listCtrl->InsertItem(i, wxString::Format(_T("Item %d"), i));
     }
@@ -490,13 +505,13 @@ void MyFrame::InitWithReportItems()
 
     wxStopWatch sw;
 
-    for ( int i = 0; i < NUM_ITEMS; i++ )
+    for ( int i = 0; i < m_numListItems; i++ )
     {
         m_listCtrl->InsertItemInReportView(i);
     }
 
     m_logWindow->WriteText(wxString::Format(_T("%d items inserted in %ldms\n"),
-                                            NUM_ITEMS, sw.Time()));
+                                            m_numListItems, sw.Time()));
     m_listCtrl->Show();
 
     // we leave all mask fields to 0 and only change the colour
@@ -586,6 +601,31 @@ void MyFrame::OnSmallVirtualView(wxCommandEvent& WXUNUSED(event))
     RecreateList(wxLC_REPORT | wxLC_VIRTUAL);
 }
 
+void MyFrame::OnSetItemsCount(wxCommandEvent& WXUNUSED(event))
+{
+    int numItems = wxGetNumberFromUser
+                   (
+                        "Enter the initial number of items for "
+                        "the list and report views",
+                        "Number of items:",
+                        "wxWidgets wxListCtrl sample",
+                        m_numListItems,
+                        0,
+                        10000,
+                        this
+                   );
+    if ( numItems == -1 || numItems == m_numListItems )
+        return;
+
+    m_numListItems = numItems;
+
+    if ( m_listCtrl->HasFlag(wxLC_REPORT) &&
+            !m_listCtrl->HasFlag(wxLC_VIRTUAL) )
+        RecreateList(wxLC_REPORT);
+    else if ( m_listCtrl->HasFlag(wxLC_LIST) )
+        RecreateList(wxLC_LIST);
+}
+
 void MyFrame::InitWithVirtualItems()
 {
     m_listCtrl->SetImageList(m_imageListSmall, wxIMAGE_LIST_SMALL);
@@ -617,6 +657,18 @@ void MyFrame::OnSort(wxCommandEvent& WXUNUSED(event))
                                             sw.Time()));
 }
 
+void MyFrame::OnFind(wxCommandEvent& WXUNUSED(event))
+{
+    wxStopWatch sw;
+
+    const int itemCount = m_listCtrl->GetItemCount();
+    for ( int i = 0; i < itemCount; i++ )
+        m_listCtrl->FindItem(-1, i);
+
+    wxLogMessage("Calling Find() for all %d items took %ld ms",
+                 itemCount, sw.Time());
+}
+
 void MyFrame::OnShowSelInfo(wxCommandEvent& WXUNUSED(event))
 {
     int selCount = m_listCtrl->GetSelectedItemCount();
@@ -643,6 +695,76 @@ void MyFrame::OnShowSelInfo(wxCommandEvent& WXUNUSED(event))
     }
 }
 
+void MyFrame::OnShowViewRect(wxCommandEvent& WXUNUSED(event))
+{
+    const wxRect r = m_listCtrl->GetViewRect();
+    wxLogMessage("View rect: (%d, %d)-(%d, %d)",
+                 r.GetLeft(), r.GetTop(), r.GetRight(), r.GetBottom());
+}
+
+// ----------------------------------------------------------------------------
+// column order tests
+// ----------------------------------------------------------------------------
+
+#ifdef wxHAS_LISTCTRL_COLUMN_ORDER
+
+static wxString DumpIntArray(const wxArrayInt& a)
+{
+    wxString s("{ ");
+    const size_t count = a.size();
+    for ( size_t n = 0; n < count; n++ )
+    {
+        if ( n )
+            s += ", ";
+        s += wxString::Format("%lu", (unsigned long)a[n]);
+    }
+
+    s += " }";
+
+    return s;
+}
+
+void MyFrame::OnSetColOrder(wxCommandEvent& WXUNUSED(event))
+{
+    wxArrayInt order(3);
+    order[0] = 2;
+    order[1] = 0;
+    order[2] = 1;
+    if ( m_listCtrl->SetColumnsOrder(order) )
+        wxLogMessage("Column order set to %s", DumpIntArray(order));
+}
+
+void MyFrame::OnGetColOrder(wxCommandEvent& WXUNUSED(event))
+{
+    // show what GetColumnsOrder() returns
+    const wxArrayInt order = m_listCtrl->GetColumnsOrder();
+    wxString msg = "Columns order: " +
+                        DumpIntArray(m_listCtrl->GetColumnsOrder()) + "\n";
+
+    int n;
+    const int count = m_listCtrl->GetColumnCount();
+
+    // show the results of GetColumnOrder() for each column
+    msg += "GetColumnOrder() results:\n";
+    for ( n = 0; n < count; n++ )
+    {
+        msg += wxString::Format("    %2d -> %2d\n",
+                                n, m_listCtrl->GetColumnOrder(n));
+    }
+
+    // and the results of GetColumnIndexFromOrder() too
+    msg += "GetColumnIndexFromOrder() results:\n";
+    for ( n = 0; n < count; n++ )
+    {
+        msg += wxString::Format("    %2d -> %2d\n",
+                                n, m_listCtrl->GetColumnIndexFromOrder(n));
+    }
+
+    wxLogMessage("%s", msg);
+}
+
+#endif // wxHAS_LISTCTRL_COLUMN_ORDER
+
 void MyFrame::OnShowColInfo(wxCommandEvent& WXUNUSED(event))
 {
     int count = m_listCtrl->GetColumnCount();
@@ -735,7 +857,39 @@ void MyFrame::OnDeleteAll(wxCommandEvent& WXUNUSED(event))
                                             sw.Time()));
 }
 
+
+// ----------------------------------------------------------------------------
 // MyListCtrl
+// ----------------------------------------------------------------------------
+
+BEGIN_EVENT_TABLE(MyListCtrl, wxListCtrl)
+    EVT_LIST_BEGIN_DRAG(LIST_CTRL, MyListCtrl::OnBeginDrag)
+    EVT_LIST_BEGIN_RDRAG(LIST_CTRL, MyListCtrl::OnBeginRDrag)
+    EVT_LIST_BEGIN_LABEL_EDIT(LIST_CTRL, MyListCtrl::OnBeginLabelEdit)
+    EVT_LIST_END_LABEL_EDIT(LIST_CTRL, MyListCtrl::OnEndLabelEdit)
+    EVT_LIST_DELETE_ITEM(LIST_CTRL, MyListCtrl::OnDeleteItem)
+    EVT_LIST_DELETE_ALL_ITEMS(LIST_CTRL, MyListCtrl::OnDeleteAllItems)
+    EVT_LIST_ITEM_SELECTED(LIST_CTRL, MyListCtrl::OnSelected)
+    EVT_LIST_ITEM_DESELECTED(LIST_CTRL, MyListCtrl::OnDeselected)
+    EVT_LIST_KEY_DOWN(LIST_CTRL, MyListCtrl::OnListKeyDown)
+    EVT_LIST_ITEM_ACTIVATED(LIST_CTRL, MyListCtrl::OnActivated)
+    EVT_LIST_ITEM_FOCUSED(LIST_CTRL, MyListCtrl::OnFocused)
+
+    EVT_LIST_COL_CLICK(LIST_CTRL, MyListCtrl::OnColClick)
+    EVT_LIST_COL_RIGHT_CLICK(LIST_CTRL, MyListCtrl::OnColRightClick)
+    EVT_LIST_COL_BEGIN_DRAG(LIST_CTRL, MyListCtrl::OnColBeginDrag)
+    EVT_LIST_COL_DRAGGING(LIST_CTRL, MyListCtrl::OnColDragging)
+    EVT_LIST_COL_END_DRAG(LIST_CTRL, MyListCtrl::OnColEndDrag)
+
+    EVT_LIST_CACHE_HINT(LIST_CTRL, MyListCtrl::OnCacheHint)
+
+#if USE_CONTEXT_MENU
+    EVT_CONTEXT_MENU(MyListCtrl::OnContextMenu)
+#endif
+    EVT_CHAR(MyListCtrl::OnChar)
+
+    EVT_RIGHT_DOWN(MyListCtrl::OnRightClick)
+END_EVENT_TABLE()
 
 void MyListCtrl::OnCacheHint(wxListEvent& event)
 {
@@ -830,14 +984,24 @@ void MyListCtrl::OnBeginRDrag(wxListEvent& event)
 void MyListCtrl::OnBeginLabelEdit(wxListEvent& event)
 {
     wxLogMessage( wxT("OnBeginLabelEdit: %s"), event.m_item.m_text.c_str());
+
+    wxTextCtrl * const text = GetEditControl();
+    if ( !text )
+    {
+        wxLogMessage("BUG: started to edit but no edit control");
+    }
+    else
+    {
+        wxLogMessage("Edit control value: \"%s\"", text->GetValue());
+    }
 }
 
 void MyListCtrl::OnEndLabelEdit(wxListEvent& event)
 {
     wxLogMessage( wxT("OnEndLabelEdit: %s"),
         (
-            event.IsEditCancelled() ? 
-            wxString("[cancelled]") : 
+            event.IsEditCancelled() ?
+            wxString("[cancelled]") :
             event.m_item.m_text
         ).c_str()
     );
@@ -951,6 +1115,27 @@ void MyListCtrl::OnListKeyDown(wxListEvent& event)
             }
             break;
 
+        case '1': // show sub item bounding rectangle
+        case '2':
+        case '3':
+        case '4': // this column is invalid but we want to test it too
+            if ( InReportView() )
+            {
+                int subItem = event.GetKeyCode() - '1';
+                item = event.GetIndex();
+                wxRect r;
+                if ( !GetSubItemRect(item, subItem, r) )
+                {
+                    wxLogError(_T("Failed to retrieve rect of item %ld column %d"), item, subItem + 1);
+                    break;
+                }
+
+                wxLogMessage(_T("Bounding rect of item %ld column %d is (%d, %d)-(%d, %d)"),
+                             item, subItem + 1,
+                             r.x, r.y, r.x + r.width, r.y + r.height);
+            }
+            break;
+
         case 'U': // update
             if ( !IsVirtual() )
                 break;
@@ -971,7 +1156,7 @@ void MyListCtrl::OnListKeyDown(wxListEvent& event)
             }
             break;
 
-        case WXK_DELETE:
+        case 'D': // delete
             item = GetNextItem(-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
             while ( item != -1 )
             {
@@ -985,7 +1170,7 @@ void MyListCtrl::OnListKeyDown(wxListEvent& event)
             }
             break;
 
-        case WXK_INSERT:
+        case 'I': // insert
             if ( GetWindowStyle() & wxLC_REPORT )
             {
                 if ( GetWindowStyle() & wxLC_VIRTUAL )
@@ -1020,8 +1205,10 @@ void MyListCtrl::OnChar(wxKeyEvent& event)
         case 'R':
         case 'u':
         case 'U':
-        case WXK_DELETE:
-        case WXK_INSERT:
+        case 'd':
+        case 'D':
+        case 'i':
+        case 'I':
             // these are the keys we process ourselves
             break;
 
@@ -1120,16 +1307,29 @@ void MyListCtrl::InsertItemInReportView(int i)
 #if USE_CONTEXT_MENU
 void MyListCtrl::OnContextMenu(wxContextMenuEvent& event)
 {
-    wxPoint point = event.GetPosition();
-    // If from keyboard
-    if (point.x == -1 && point.y == -1) {
-        wxSize size = GetSize();
-        point.x = size.x / 2;
-        point.y = size.y / 2;
-    } else {
-        point = ScreenToClient(point);
+    if (GetEditControl() == NULL)
+    {
+        wxPoint point = event.GetPosition();
+        // If from keyboard
+        if ( (point.x == -1) && (point.y == -1) )
+        {
+            wxSize size = GetSize();
+            point.x = size.x / 2;
+            point.y = size.y / 2;
+        }
+        else
+        {
+            point = ScreenToClient(point);
+        }
+        ShowContextMenu(point);
+    }
+    else
+    {
+        // the user is editing:
+        // allow the text control to display its context menu
+        // if it has one (it has on Windows) rather than display our one
+        event.Skip();
     }
-    ShowContextMenu(point);
 }
 #endif