Ensure that component levels map is initialized before it's used (closes #10990).

[wxWidgets.git] / src / common / datavcmn.cpp

diff --git a/src/common/datavcmn.cpp b/src/common/datavcmn.cpp
index 62ef66cef5e0c01c0960f7f3e83668d8e23d981c..0e15715959fcf8dce3921a5facf89602ef0f3fb8 100644 (file)
--- a/src/common/datavcmn.cpp
+++ b/src/common/datavcmn.cpp
@@ -38,13 +38,6 @@ bool operator == (const wxDataViewItem &left, const wxDataViewItem &right)
     return (left.GetID() == right.GetID() );
 }
 
-#ifdef __WXDEBUG__
-void wxDataViewItem::Print(const wxString& text) const
-{
-    wxPrintf(wxT("item %s: %lu\n"), text.GetData(), wxPtrToUInt(m_id));
-}
-#endif
-
 // ---------------------------------------------------------
 // wxDataViewModelNotifier
 // ---------------------------------------------------------
@@ -233,7 +226,7 @@ void wxDataViewModel::RemoveNotifier( wxDataViewModelNotifier *notifier )
 }
 
 int wxDataViewModel::Compare( const wxDataViewItem &item1, const wxDataViewItem &item2,
-                              unsigned int column, bool ascending )
+                              unsigned int column, bool ascending ) const
 {
     // sort branches before leaves
     bool item1_is_container = IsContainer(item1);
@@ -316,7 +309,7 @@ wxDataViewIndexListModel::wxDataViewIndexListModel( unsigned int initial_size )
     unsigned int i;
     for (i = 1; i < initial_size+1; i++)
             m_hash.Add( wxUIntToPtr(i) );
-    m_lastIndex = initial_size + 1;
+    m_nextFreeID = initial_size + 1;
 }
 
 wxDataViewIndexListModel::~wxDataViewIndexListModel()
@@ -334,7 +327,8 @@ void wxDataViewIndexListModel::Reset( unsigned int new_size )
     unsigned int i;
     for (i = 1; i < new_size+1; i++)
             m_hash.Add( wxUIntToPtr(i) );
-    m_lastIndex = new_size + 1;
+            
+    m_nextFreeID = new_size + 1;
 
     wxDataViewModel::Cleared();
 }
@@ -343,17 +337,22 @@ void wxDataViewIndexListModel::RowPrepended()
 {
     m_ordered = false;
 
-    unsigned int id = m_lastIndex++;
+    unsigned int id = m_nextFreeID;
+    m_nextFreeID++;
+    
     m_hash.Insert( wxUIntToPtr(id), 0 );
     wxDataViewItem item( wxUIntToPtr(id) );
     ItemAdded( wxDataViewItem(0), item );
+    
 }
 
 void wxDataViewIndexListModel::RowInserted( unsigned int before )
 {
     m_ordered = false;
 
-    unsigned int id = m_lastIndex++;
+    unsigned int id = m_nextFreeID;
+    m_nextFreeID++;
+    
     m_hash.Insert( wxUIntToPtr(id), before );
     wxDataViewItem item( wxUIntToPtr(id) );
     ItemAdded( wxDataViewItem(0), item );
@@ -361,7 +360,9 @@ void wxDataViewIndexListModel::RowInserted( unsigned int before )
 
 void wxDataViewIndexListModel::RowAppended()
 {
-    unsigned int id = m_lastIndex++;
+    unsigned int id = m_nextFreeID;
+    m_nextFreeID++;
+    
     m_hash.Add( wxUIntToPtr(id) );
     wxDataViewItem item( wxUIntToPtr(id) );
     ItemAdded( wxDataViewItem(0), item );
@@ -409,10 +410,7 @@ void wxDataViewIndexListModel::RowValueChanged( unsigned int row, unsigned int c
 unsigned int wxDataViewIndexListModel::GetRow( const wxDataViewItem &item ) const
 {
     if (m_ordered)
-    {
-            unsigned int pos = wxPtrToUInt( item.GetID() );
-            return pos-1;
-    }
+        return wxPtrToUInt(item.GetID())-1;
 
     // assert for not found
     return (unsigned int) m_hash.Index( item.GetID() );
@@ -432,12 +430,12 @@ bool wxDataViewIndexListModel::HasDefaultCompare() const
 int wxDataViewIndexListModel::Compare(const wxDataViewItem& item1,
                                       const wxDataViewItem& item2,
                                       unsigned int WXUNUSED(column),
-                                      bool ascending)
+                                      bool ascending) const
 {
     if (m_ordered)
     {
-        unsigned int pos1 = wxPtrToUInt(item1.GetID());
-        unsigned int pos2 = wxPtrToUInt(item2.GetID());
+        unsigned int pos1 = wxPtrToUInt(item1.GetID());  // -1 not needed here
+        unsigned int pos2 = wxPtrToUInt(item2.GetID());  // -1 not needed here
 
         if (ascending)
             return pos1 - pos2;
@@ -500,7 +498,7 @@ unsigned int wxDataViewIndexListModel::GetChildren( const wxDataViewItem &item,
 
 wxDataViewVirtualListModel::wxDataViewVirtualListModel( unsigned int initial_size )
 {
-    m_lastIndex = initial_size-1;
+    m_size = initial_size;
 }
 
 wxDataViewVirtualListModel::~wxDataViewVirtualListModel()
@@ -509,41 +507,43 @@ wxDataViewVirtualListModel::~wxDataViewVirtualListModel()
 
 void wxDataViewVirtualListModel::Reset( unsigned int new_size )
 {
-    m_lastIndex = new_size-1;
+    m_size = new_size;
 
     wxDataViewModel::Cleared();
 }
 
 void wxDataViewVirtualListModel::RowPrepended()
 {
-    m_lastIndex++;
-    wxDataViewItem item( NULL );
+    m_size++;
+    wxDataViewItem item( wxUIntToPtr(1) );
     ItemAdded( wxDataViewItem(0), item );
 }
 
 void wxDataViewVirtualListModel::RowInserted( unsigned int before )
 {
-    m_lastIndex++;
-    wxDataViewItem item( wxUIntToPtr(before) );
+    m_size++;
+    wxDataViewItem item( wxUIntToPtr(before+1) );
     ItemAdded( wxDataViewItem(0), item );
 }
 
 void wxDataViewVirtualListModel::RowAppended()
 {
-    m_lastIndex++;
-    wxDataViewItem item( wxUIntToPtr(m_lastIndex) );
+    m_size++;
+    wxDataViewItem item( wxUIntToPtr(m_size) );
     ItemAdded( wxDataViewItem(0), item );
 }
 
 void wxDataViewVirtualListModel::RowDeleted( unsigned int row )
 {
-    wxDataViewItem item( wxUIntToPtr(row) );
+    m_size--;
+    wxDataViewItem item( wxUIntToPtr(row+1) );
     wxDataViewModel::ItemDeleted( wxDataViewItem(0), item );
-    m_lastIndex++;
 }
 
 void wxDataViewVirtualListModel::RowsDeleted( const wxArrayInt &rows )
 {
+    m_size -= rows.GetCount();
+    
     wxArrayInt sorted = rows;
     sorted.Sort( my_sort );
 
@@ -551,12 +551,10 @@ void wxDataViewVirtualListModel::RowsDeleted( const wxArrayInt &rows )
     unsigned int i;
     for (i = 0; i < sorted.GetCount(); i++)
     {
-            wxDataViewItem item( wxUIntToPtr(sorted[i]) );
+            wxDataViewItem item( wxUIntToPtr(sorted[i]+1) );
             array.Add( item );
     }
     wxDataViewModel::ItemsDeleted( wxDataViewItem(0), array );
-
-    m_lastIndex -= rows.GetCount();
 }
 
 void wxDataViewVirtualListModel::RowChanged( unsigned int row )
@@ -571,12 +569,12 @@ void wxDataViewVirtualListModel::RowValueChanged( unsigned int row, unsigned int
 
 unsigned int wxDataViewVirtualListModel::GetRow( const wxDataViewItem &item ) const
 {
-    return wxPtrToUInt( item.GetID() );
+    return wxPtrToUInt( item.GetID() ) -1;
 }
 
 wxDataViewItem wxDataViewVirtualListModel::GetItem( unsigned int row ) const
 {
-    return wxDataViewItem( wxUIntToPtr(row)  );
+    return wxDataViewItem( wxUIntToPtr(row+1) );
 }
 
 bool wxDataViewVirtualListModel::HasDefaultCompare() const
@@ -587,10 +585,10 @@ bool wxDataViewVirtualListModel::HasDefaultCompare() const
 int wxDataViewVirtualListModel::Compare(const wxDataViewItem& item1,
                                       const wxDataViewItem& item2,
                                       unsigned int WXUNUSED(column),
-                                      bool ascending)
+                                      bool ascending) const
 {
-    unsigned int pos1 = wxPtrToUInt(item1.GetID());
-    unsigned int pos2 = wxPtrToUInt(item2.GetID());
+    unsigned int pos1 = wxPtrToUInt(item1.GetID());  // -1 not needed here
+    unsigned int pos2 = wxPtrToUInt(item2.GetID());  // -1 not needed here
 
     if (ascending)
        return pos1 - pos2;
@@ -688,13 +686,30 @@ public:
 
 bool wxDataViewRendererBase::StartEditing( const wxDataViewItem &item, wxRect labelRect )
 {
+    wxDataViewCtrl* dv_ctrl = GetOwner()->GetOwner();
+
+    // Before doing anything we send an event asking if editing of this item is really wanted.
+    wxDataViewEvent start_event( wxEVT_COMMAND_DATAVIEW_ITEM_START_EDITING, dv_ctrl->GetId() );
+    start_event.SetDataViewColumn( GetOwner() );
+    start_event.SetModel( dv_ctrl->GetModel() );
+    start_event.SetItem( item );
+    start_event.SetEventObject( dv_ctrl );
+    dv_ctrl->GetEventHandler()->ProcessEvent( start_event );
+    if( !start_event.IsAllowed() )
+        return false;
+
     m_item = item; // remember for later
 
     unsigned int col = GetOwner()->GetModelColumn();
     wxVariant value;
-    GetOwner()->GetOwner()->GetModel()->GetValue( value, item, col );
+    dv_ctrl->GetModel()->GetValue( value, item, col );
+
+    m_editorCtrl = CreateEditorCtrl( dv_ctrl->GetMainWindow(), labelRect, value );
+
+       // there might be no editor control for the given item
+    if(!m_editorCtrl)
+        return false;
 
-    m_editorCtrl = CreateEditorCtrl( GetOwner()->GetOwner()->GetMainWindow(), labelRect, value );
     (void) new wxKillRef( m_editorCtrl.get() );
 
     wxDataViewEditorCtrlEvtHandler *handler =
@@ -702,10 +717,6 @@ bool wxDataViewRendererBase::StartEditing( const wxDataViewItem &item, wxRect la
 
     m_editorCtrl->PushEventHandler( handler );
 
-    // there might be no editor control for the given item
-    if (!m_editorCtrl)
-        return false;
-        
 #if defined(__WXGTK20__) && !defined(wxUSE_GENERICDATAVIEWCTRL)
     handler->SetFocusOnIdle();
 #else
@@ -713,18 +724,20 @@ bool wxDataViewRendererBase::StartEditing( const wxDataViewItem &item, wxRect la
 #endif
 
     // Now we should send Editing Started event
-    wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_STARTED, GetOwner()->GetOwner()->GetId() );
+    wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_STARTED, dv_ctrl->GetId() );
     event.SetDataViewColumn( GetOwner() );
-    event.SetModel( GetOwner()->GetOwner()->GetModel() );
+    event.SetModel( dv_ctrl->GetModel() );
     event.SetItem( item );
-    GetOwner()->GetOwner()->GetEventHandler()->ProcessEvent( event );
+    event.SetEventObject( dv_ctrl );
+    dv_ctrl->GetEventHandler()->ProcessEvent( event );
 
     return true;
 }
 
 void wxDataViewRendererBase::CancelEditing()
 {
-    if (!m_editorCtrl) return;
+    if (!m_editorCtrl)
+        return;
 
     GetOwner()->GetOwner()->GetMainWindow()->SetFocus();
 
@@ -734,12 +747,15 @@ void wxDataViewRendererBase::CancelEditing()
 
 bool wxDataViewRendererBase::FinishEditing()
 {
-    if (!m_editorCtrl) return true;
+    if (!m_editorCtrl)
+        return true;
 
     wxVariant value;
     GetValueFromEditorCtrl( m_editorCtrl, value );
 
-    GetOwner()->GetOwner()->GetMainWindow()->SetFocus();
+    wxDataViewCtrl* dv_ctrl = GetOwner()->GetOwner();
+
+    dv_ctrl->GetMainWindow()->SetFocus();
 
     m_editorCtrl->Hide();
     wxPendingDelete.Append( m_editorCtrl );
@@ -748,15 +764,16 @@ bool wxDataViewRendererBase::FinishEditing()
         return false;
 
     unsigned int col = GetOwner()->GetModelColumn();
-    GetOwner()->GetOwner()->GetModel()->SetValue( value, m_item, col );
-    GetOwner()->GetOwner()->GetModel()->ValueChanged( m_item, col );
+    dv_ctrl->GetModel()->SetValue( value, m_item, col );
+    dv_ctrl->GetModel()->ValueChanged( m_item, col );
 
     // Now we should send Editing Done event
-    wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_DONE, GetOwner()->GetOwner()->GetId() );
+    wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_DONE, dv_ctrl->GetId() );
     event.SetDataViewColumn( GetOwner() );
-    event.SetModel( GetOwner()->GetOwner()->GetModel() );
+    event.SetModel( dv_ctrl->GetModel() );
     event.SetItem( m_item );
-    GetOwner()->GetOwner()->GetEventHandler()->ProcessEvent( event );
+    event.SetEventObject( dv_ctrl );
+    dv_ctrl->GetEventHandler()->ProcessEvent( event );
 
     return true;
 }
@@ -1233,10 +1250,14 @@ wxDEFINE_EVENT( wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK, wxDataViewEven
 wxDEFINE_EVENT( wxEVT_COMMAND_DATAVIEW_COLUMN_SORTED, wxDataViewEvent );
 wxDEFINE_EVENT( wxEVT_COMMAND_DATAVIEW_COLUMN_REORDERED, wxDataViewEvent );
 
+wxDEFINE_EVENT( wxEVT_COMMAND_DATAVIEW_CACHE_HINT, wxDataViewEvent );
+
 wxDEFINE_EVENT( wxEVT_COMMAND_DATAVIEW_ITEM_BEGIN_DRAG, wxDataViewEvent );
 wxDEFINE_EVENT( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, wxDataViewEvent );
 wxDEFINE_EVENT( wxEVT_COMMAND_DATAVIEW_ITEM_DROP, wxDataViewEvent );
 
+
+
 // -------------------------------------
 // wxDataViewSpinRenderer
 // -------------------------------------
@@ -1305,7 +1326,7 @@ bool wxDataViewSpinRenderer::GetValue( wxVariant &value ) const
 // wxDataViewChoiceRenderer
 // -------------------------------------
 
-#if defined(wxHAS_GENERIC_DATAVIEWCTRL) || defined(__WXMAC__)
+#if defined(wxHAS_GENERIC_DATAVIEWCTRL) || defined(__WXOSX_CARBON__)
 
 wxDataViewChoiceRenderer::wxDataViewChoiceRenderer( const wxArrayString& choices, wxDataViewCellMode mode, int alignment ) :
    wxDataViewCustomRenderer(wxT("string"), mode, alignment )
@@ -1943,7 +1964,7 @@ unsigned int wxDataViewTreeStore::GetChildren( const wxDataViewItem &item, wxDat
 }
 
 int wxDataViewTreeStore::Compare( const wxDataViewItem &item1, const wxDataViewItem &item2,
-                         unsigned int WXUNUSED(column), bool WXUNUSED(ascending) )
+                         unsigned int WXUNUSED(column), bool WXUNUSED(ascending) ) const
 {
     wxDataViewTreeStoreNode *node1 = FindNode( item1 );
     wxDataViewTreeStoreNode *node2 = FindNode( item2 );