Added fix to send scroll messages from mouse wheel instead of scrolling directly

[wxWidgets.git] / samples / listctrl / listtest.cpp

diff --git a/samples/listctrl/listtest.cpp b/samples/listctrl/listtest.cpp
index f448a3e7494ed670f3e686a6ec9095289acba9b7..d1c8d7d4af8d20c7d7e64cbb6871aa4e6dfc4a49 100644 (file)
--- a/samples/listctrl/listtest.cpp
+++ b/samples/listctrl/listtest.cpp
@@ -90,6 +90,7 @@ BEGIN_EVENT_TABLE(MyListCtrl, wxListCtrl)
     EVT_LIST_KEY_DOWN(LIST_CTRL, MyListCtrl::OnListKeyDown)
     EVT_LIST_ITEM_ACTIVATED(LIST_CTRL, MyListCtrl::OnActivated)
     EVT_LIST_COL_CLICK(LIST_CTRL, MyListCtrl::OnColClick)
+    EVT_LIST_CACHE_HINT(LIST_CTRL, MyListCtrl::OnCacheHint)
 
     EVT_CHAR(MyListCtrl::OnChar)
 END_EVENT_TABLE()
@@ -354,18 +355,9 @@ void MyFrame::InitWithReportItems()
 
     wxStopWatch sw;
 
-    wxString buf;
     for ( int i = 0; i < NUM_ITEMS; i++ )
     {
-        buf.Printf(_T("This is item %d"), i);
-        long tmp = m_listCtrl->InsertItem(i, buf, 0);
-        m_listCtrl->SetItemData(tmp, i);
-
-        buf.Printf(_T("Col 1, item %d"), i);
-        tmp = m_listCtrl->SetItem(i, 1, buf);
-
-        buf.Printf(_T("Item %d in column 2"), i);
-        tmp = m_listCtrl->SetItem(i, 2, buf);
+        m_listCtrl->InsertItemInReportView(i);
     }
 
     m_logWindow->WriteText(wxString::Format(_T("%d items inserted in %ldms\n"),
@@ -560,6 +552,12 @@ void MyFrame::OnDeleteAll(wxCommandEvent& WXUNUSED(event))
 
 // MyListCtrl
 
+void MyListCtrl::OnCacheHint(wxListEvent& event)
+{
+    wxLogMessage( "OnCacheHint: cache items %ld..%ld",
+                  event.GetCacheFrom(), event.GetCacheTo() );
+}
+
 void MyListCtrl::OnColClick(wxListEvent& event)
 {
     wxLogMessage( "OnColumnClick at %d.", event.GetColumn() );
@@ -664,9 +662,60 @@ void MyListCtrl::OnActivated(wxListEvent& event)
 
 void MyListCtrl::OnListKeyDown(wxListEvent& event)
 {
-    LogEvent(event, _T("OnListKeyDown"));
+    switch ( event.GetCode() )
+    {
+        case 'c':
+            {
+                wxListItem info;
+                info.m_itemId = event.GetIndex();
+                GetItem(info);
+
+                wxListItemAttr *attr = info.GetAttributes();
+                if ( !attr || !attr->HasTextColour() )
+                {
+                    info.SetTextColour(*wxCYAN);
+
+                    SetItem(info);
+                }
+            }
+            break;
 
-    event.Skip();
+        case WXK_DELETE:
+            {
+                long item = GetNextItem(-1,
+                                        wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
+                while ( item != -1 )
+                {
+                    DeleteItem(item);
+
+                    wxLogMessage(_T("Item %ld deleted"), item);
+
+                    // -1 because the indices were shifted by DeleteItem()
+                    item = GetNextItem(item - 1,
+                                       wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
+                }
+            }
+            break;
+
+        case WXK_INSERT:
+            if ( GetWindowStyle() & wxLC_REPORT )
+            {
+                if ( GetWindowStyle() & wxLC_VIRTUAL )
+                {
+                    SetItemCount(GetItemCount() + 1);
+                }
+                else // !virtual
+                {
+                    InsertItemInReportView(event.GetIndex());
+                }
+            }
+            //else: fall through
+
+        default:
+            LogEvent(event, _T("OnListKeyDown"));
+
+            event.Skip();
+    }
 }
 
 void MyListCtrl::OnChar(wxKeyEvent& event)
@@ -693,3 +742,22 @@ int MyListCtrl::OnGetItemImage(long item) const
     return 0;
 }
 
+wxListItemAttr *MyListCtrl::OnGetItemAttr(long item) const
+{
+    return item % 2 ? NULL : (wxListItemAttr *)&m_attr;
+}
+
+void MyListCtrl::InsertItemInReportView(int i)
+{
+    wxString buf;
+    buf.Printf(_T("This is item %d"), i);
+    long tmp = InsertItem(i, buf, 0);
+    SetItemData(tmp, i);
+
+    buf.Printf(_T("Col 1, item %d"), i);
+    SetItem(i, 1, buf);
+
+    buf.Printf(_T("Item %d in column 2"), i);
+    SetItem(i, 2, buf);
+}
+