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Add support for the new history functions to the ie backend. For this we manage our...
[wxWidgets.git] / src / common / datavcmn.cpp
index de0608121e47d0e4915eba3d293c719908712171..8e2469c228dd59c0ac90b064a504862802f6478f 100644 (file)
 
 const char wxDataViewCtrlNameStr[] = "dataviewCtrl";
 
+namespace
+{
+
+// Custom handler pushed on top of the edit control used by wxDataViewCtrl to
+// forward some events to the main control itself.
+class wxDataViewEditorCtrlEvtHandler: public wxEvtHandler
+{
+public:
+    wxDataViewEditorCtrlEvtHandler(wxWindow *editor, wxDataViewRenderer *owner)
+    {
+        m_editorCtrl = editor;
+        m_owner = owner;
+
+        m_finished = false;
+    }
+
+    void AcceptChangesAndFinish();
+    void SetFocusOnIdle( bool focus = true ) { m_focusOnIdle = focus; }
+
+protected:
+    void OnChar( wxKeyEvent &event );
+    void OnTextEnter( wxCommandEvent &event );
+    void OnKillFocus( wxFocusEvent &event );
+    void OnIdle( wxIdleEvent &event );
+
+private:
+    wxDataViewRenderer     *m_owner;
+    wxWindow               *m_editorCtrl;
+    bool                    m_finished;
+    bool                    m_focusOnIdle;
+
+private:
+    DECLARE_EVENT_TABLE()
+};
+
+} // anonymous namespace
+
+// ---------------------------------------------------------
+// wxDataViewItemAttr
+// ---------------------------------------------------------
+
+wxFont wxDataViewItemAttr::GetEffectiveFont(const wxFont& font) const
+{
+    if ( !HasFont() )
+        return font;
+
+    wxFont f(font);
+    if ( GetBold() )
+        f.MakeBold();
+    if ( GetItalic() )
+        f.MakeItalic();
+    return f;
+}
+
+
 // ---------------------------------------------------------
 // wxDataViewModelNotifier
 // ---------------------------------------------------------
@@ -198,6 +253,36 @@ bool wxDataViewModel::Cleared()
     return ret;
 }
 
+bool wxDataViewModel::BeforeReset()
+{
+    bool ret = true;
+
+    wxDataViewModelNotifiers::iterator iter;
+    for (iter = m_notifiers.begin(); iter != m_notifiers.end(); ++iter)
+    {
+        wxDataViewModelNotifier* notifier = *iter;
+        if (!notifier->BeforeReset())
+            ret = false;
+    }
+
+    return ret;
+}
+
+bool wxDataViewModel::AfterReset()
+{
+    bool ret = true;
+
+    wxDataViewModelNotifiers::iterator iter;
+    for (iter = m_notifiers.begin(); iter != m_notifiers.end(); ++iter)
+    {
+        wxDataViewModelNotifier* notifier = *iter;
+        if (!notifier->AfterReset())
+            ret = false;
+    }
+
+    return ret;
+}
+
 void wxDataViewModel::Resort()
 {
     wxDataViewModelNotifiers::iterator iter;
@@ -308,6 +393,8 @@ wxDataViewIndexListModel::wxDataViewIndexListModel( unsigned int initial_size )
 
 void wxDataViewIndexListModel::Reset( unsigned int new_size )
 {
+    /* wxDataViewModel:: */ BeforeReset();
+
     m_hash.Clear();
 
     // IDs are ordered until an item gets deleted or inserted
@@ -320,7 +407,7 @@ void wxDataViewIndexListModel::Reset( unsigned int new_size )
 
     m_nextFreeID = new_size + 1;
 
-    wxDataViewModel::Cleared();
+    /* wxDataViewModel:: */ AfterReset();
 }
 
 void wxDataViewIndexListModel::RowPrepended()
@@ -363,7 +450,7 @@ void wxDataViewIndexListModel::RowDeleted( unsigned int row )
     m_ordered = false;
 
     wxDataViewItem item( m_hash[row] );
-    wxDataViewModel::ItemDeleted( wxDataViewItem(0), item );
+    /* wxDataViewModel:: */ ItemDeleted( wxDataViewItem(0), item );
     m_hash.RemoveAt( row );
 }
 
@@ -381,7 +468,7 @@ void wxDataViewIndexListModel::RowsDeleted( const wxArrayInt &rows )
             wxDataViewItem item( m_hash[rows[i]] );
             array.Add( item );
     }
-    wxDataViewModel::ItemsDeleted( wxDataViewItem(0), array );
+    /* wxDataViewModel:: */ ItemsDeleted( wxDataViewItem(0), array );
 
     for (i = 0; i < sorted.GetCount(); i++)
            m_hash.RemoveAt( sorted[i] );
@@ -389,12 +476,12 @@ void wxDataViewIndexListModel::RowsDeleted( const wxArrayInt &rows )
 
 void wxDataViewIndexListModel::RowChanged( unsigned int row )
 {
-    wxDataViewModel::ItemChanged( GetItem(row) );
+    /* wxDataViewModel:: */ ItemChanged( GetItem(row) );
 }
 
 void wxDataViewIndexListModel::RowValueChanged( unsigned int row, unsigned int col )
 {
-    wxDataViewModel::ValueChanged( GetItem(row), col );
+    /* wxDataViewModel:: */ ValueChanged( GetItem(row), col );
 }
 
 unsigned int wxDataViewIndexListModel::GetRow( const wxDataViewItem &item ) const
@@ -462,9 +549,11 @@ wxDataViewVirtualListModel::wxDataViewVirtualListModel( unsigned int initial_siz
 
 void wxDataViewVirtualListModel::Reset( unsigned int new_size )
 {
+    /* wxDataViewModel:: */ BeforeReset();
+
     m_size = new_size;
 
-    wxDataViewModel::Cleared();
+    /* wxDataViewModel:: */ AfterReset();
 }
 
 void wxDataViewVirtualListModel::RowPrepended()
@@ -492,7 +581,7 @@ void wxDataViewVirtualListModel::RowDeleted( unsigned int row )
 {
     m_size--;
     wxDataViewItem item( wxUIntToPtr(row+1) );
-    wxDataViewModel::ItemDeleted( wxDataViewItem(0), item );
+    /* wxDataViewModel:: */ ItemDeleted( wxDataViewItem(0), item );
 }
 
 void wxDataViewVirtualListModel::RowsDeleted( const wxArrayInt &rows )
@@ -506,20 +595,20 @@ void wxDataViewVirtualListModel::RowsDeleted( const wxArrayInt &rows )
     unsigned int i;
     for (i = 0; i < sorted.GetCount(); i++)
     {
-            wxDataViewItem item( wxUIntToPtr(sorted[i]+1) );
-            array.Add( item );
+        wxDataViewItem item( wxUIntToPtr(sorted[i]+1) );
+        array.Add( item );
     }
-    wxDataViewModel::ItemsDeleted( wxDataViewItem(0), array );
+    /* wxDataViewModel:: */ ItemsDeleted( wxDataViewItem(0), array );
 }
 
 void wxDataViewVirtualListModel::RowChanged( unsigned int row )
 {
-    wxDataViewModel::ItemChanged( GetItem(row) );
+    /* wxDataViewModel:: */ ItemChanged( GetItem(row) );
 }
 
 void wxDataViewVirtualListModel::RowValueChanged( unsigned int row, unsigned int col )
 {
-    wxDataViewModel::ValueChanged( GetItem(row), col );
+    /* wxDataViewModel:: */ ValueChanged( GetItem(row), col );
 }
 
 unsigned int wxDataViewVirtualListModel::GetRow( const wxDataViewItem &item ) const
@@ -589,18 +678,6 @@ const wxDataViewCtrl* wxDataViewRendererBase::GetView() const
     return const_cast<wxDataViewRendererBase*>(this)->GetOwner()->GetOwner();
 }
 
-class wxKillRef: public wxWindowRef
-{
-public:
-   wxKillRef( wxWindow *win ) : wxWindowRef( win ) { }
-   virtual void OnObjectDestroy()
-   {
-      get()->PopEventHandler( true );
-      m_pobj = NULL;
-      delete this;
-   }
-};
-
 bool wxDataViewRendererBase::StartEditing( const wxDataViewItem &item, wxRect labelRect )
 {
     wxDataViewCtrl* dv_ctrl = GetOwner()->GetOwner();
@@ -627,8 +704,6 @@ bool wxDataViewRendererBase::StartEditing( const wxDataViewItem &item, wxRect la
     if(!m_editorCtrl)
         return false;
 
-    (void) new wxKillRef( m_editorCtrl.get() );
-
     wxDataViewEditorCtrlEvtHandler *handler =
         new wxDataViewEditorCtrlEvtHandler( m_editorCtrl, (wxDataViewRenderer*) this );
 
@@ -651,15 +726,27 @@ bool wxDataViewRendererBase::StartEditing( const wxDataViewItem &item, wxRect la
     return true;
 }
 
+void wxDataViewRendererBase::DestroyEditControl()
+{
+    // Remove our event handler first to prevent it from (recursively) calling
+    // us again as it would do via a call to FinishEditing() when the editor
+    // loses focus when we hide it below.
+    wxEvtHandler * const handler = m_editorCtrl->PopEventHandler();
+
+    // Hide the control immediately but don't delete it yet as there could be
+    // some pending messages for it.
+    m_editorCtrl->Hide();
+
+    wxPendingDelete.Append(handler);
+    wxPendingDelete.Append(m_editorCtrl);
+}
+
 void wxDataViewRendererBase::CancelEditing()
 {
     if (!m_editorCtrl)
         return;
 
-    GetOwner()->GetOwner()->GetMainWindow()->SetFocus();
-
-    m_editorCtrl->Hide();
-    wxPendingDelete.Append( m_editorCtrl );
+    DestroyEditControl();
 }
 
 bool wxDataViewRendererBase::FinishEditing()
@@ -674,8 +761,7 @@ bool wxDataViewRendererBase::FinishEditing()
 
     dv_ctrl->GetMainWindow()->SetFocus();
 
-    m_editorCtrl->Hide();
-    wxPendingDelete.Append( m_editorCtrl );
+    DestroyEditControl();
 
     if (!Validate(value))
         return false;
@@ -694,6 +780,22 @@ bool wxDataViewRendererBase::FinishEditing()
     return true;
 }
 
+void wxDataViewRendererBase::PrepareForItem(const wxDataViewModel *model,
+                                            const wxDataViewItem& item,
+                                            unsigned column)
+{
+    wxVariant value;
+    model->GetValue(value, item, column);
+    SetValue(value);
+
+    wxDataViewItemAttr attr;
+    model->GetAttr(item, column, attr);
+    SetAttr(attr);
+
+    SetEnabled(model->IsEnabled(item, column));
+}
+
+
 // ----------------------------------------------------------------------------
 // wxDataViewCustomRendererBase
 // ----------------------------------------------------------------------------
@@ -759,19 +861,28 @@ wxDataViewCustomRendererBase::WXCallRender(wxRect rectCell, wxDC *dc, int state)
 
     wxDCFontChanger changeFont(*dc);
     if ( m_attr.HasFont() )
-    {
-        wxFont font(dc->GetFont());
-        if ( m_attr.GetBold() )
-            font.MakeBold();
-        if ( m_attr.GetItalic() )
-            font.MakeItalic();
-
-        changeFont.Set(font);
-    }
+        changeFont.Set(m_attr.GetEffectiveFont(dc->GetFont()));
 
     Render(rectItem, dc, state);
 }
 
+wxSize wxDataViewCustomRendererBase::GetTextExtent(const wxString& str) const
+{
+    const wxDataViewCtrl *view = GetView();
+
+    if ( m_attr.HasFont() )
+    {
+        wxFont font(m_attr.GetEffectiveFont(view->GetFont()));
+        wxSize size;
+        view->GetTextExtent(str, &size.x, &size.y, NULL, NULL, &font);
+        return size;
+    }
+    else
+    {
+        return view->GetTextExtent(str);
+    }
+}
+
 void
 wxDataViewCustomRendererBase::RenderText(const wxString& text,
                                          int xoffset,
@@ -821,16 +932,6 @@ BEGIN_EVENT_TABLE(wxDataViewEditorCtrlEvtHandler, wxEvtHandler)
     EVT_TEXT_ENTER     (-1, wxDataViewEditorCtrlEvtHandler::OnTextEnter)
 END_EVENT_TABLE()
 
-wxDataViewEditorCtrlEvtHandler::wxDataViewEditorCtrlEvtHandler(
-                                wxControl *editorCtrl,
-                                wxDataViewRenderer *owner )
-{
-    m_owner = owner;
-    m_editorCtrl = editorCtrl;
-
-    m_finished = false;
-}
-
 void wxDataViewEditorCtrlEvtHandler::OnIdle( wxIdleEvent &event )
 {
     if (m_focusOnIdle)
@@ -971,6 +1072,22 @@ void wxDataViewCtrlBase::ExpandAncestors( const wxDataViewItem & item )
     }
 }
 
+wxDataViewItem wxDataViewCtrlBase::GetCurrentItem() const
+{
+    return HasFlag(wxDV_MULTIPLE) ? DoGetCurrentItem()
+                                  : GetSelection();
+}
+
+void wxDataViewCtrlBase::SetCurrentItem(const wxDataViewItem& item)
+{
+    wxCHECK_RET( item.IsOk(), "Can't make current an invalid item." );
+
+    if ( HasFlag(wxDV_MULTIPLE) )
+        DoSetCurrentItem(item);
+    else
+        Select(item);
+}
+
 wxDataViewColumn *
 wxDataViewCtrlBase::AppendTextColumn( const wxString &label, unsigned int model_column,
                             wxDataViewCellMode mode, int width, wxAlignment align, int flags )
@@ -1301,7 +1418,7 @@ wxDataViewSpinRenderer::wxDataViewSpinRenderer( int min, int max, wxDataViewCell
     m_max = max;
 }
 
-wxControl* wxDataViewSpinRenderer::CreateEditorCtrl( wxWindow *parent, wxRect labelRect, const wxVariant &value )
+wxWindow* wxDataViewSpinRenderer::CreateEditorCtrl( wxWindow *parent, wxRect labelRect, const wxVariant &value )
 {
     long l = value;
     wxSize size = labelRect.GetSize();
@@ -1321,7 +1438,7 @@ wxControl* wxDataViewSpinRenderer::CreateEditorCtrl( wxWindow *parent, wxRect la
     return sc;
 }
 
-bool wxDataViewSpinRenderer::GetValueFromEditorCtrl( wxControl* editor, wxVariant &value )
+bool wxDataViewSpinRenderer::GetValueFromEditorCtrl( wxWindow* editor, wxVariant &value )
 {
     wxSpinCtrl *sc = (wxSpinCtrl*) editor;
     long l = sc->GetValue();
@@ -1366,20 +1483,22 @@ wxDataViewChoiceRenderer::wxDataViewChoiceRenderer( const wxArrayString& choices
     m_choices = choices;
 }
 
-wxControl* wxDataViewChoiceRenderer::CreateEditorCtrl( wxWindow *parent, wxRect labelRect, const wxVariant &value )
+wxWindow* wxDataViewChoiceRenderer::CreateEditorCtrl( wxWindow *parent, wxRect labelRect, const wxVariant &value )
 {
-    wxString s = value;
-    wxSize size = labelRect.GetSize();
-#ifdef __WXMAC__
-    size = wxSize( wxMax(70,labelRect.width ), -1 );
-#endif
-    wxChoice *c = new wxChoice( parent, wxID_ANY, labelRect.GetTopLeft(), size, m_choices );
+    wxChoice* c = new wxChoice
+                      (
+                          parent,
+                          wxID_ANY,
+                          labelRect.GetTopLeft(),
+                          wxSize(labelRect.GetWidth(), -1),
+                          m_choices
+                      );
+    c->Move(labelRect.GetRight() - c->GetRect().width, wxDefaultCoord);
     c->SetStringSelection( value.GetString() );
-
     return c;
 }
 
-bool wxDataViewChoiceRenderer::GetValueFromEditorCtrl( wxControl* editor, wxVariant &value )
+bool wxDataViewChoiceRenderer::GetValueFromEditorCtrl( wxWindow* editor, wxVariant &value )
 {
     wxChoice *c = (wxChoice*) editor;
     wxString s = c->GetStringSelection();
@@ -1410,6 +1529,49 @@ bool wxDataViewChoiceRenderer::GetValue( wxVariant &value ) const
     return true;
 }
 
+// ----------------------------------------------------------------------------
+// wxDataViewChoiceByIndexRenderer
+// ----------------------------------------------------------------------------
+
+wxDataViewChoiceByIndexRenderer::wxDataViewChoiceByIndexRenderer( const wxArrayString &choices,
+                                  wxDataViewCellMode mode, int alignment ) :
+      wxDataViewChoiceRenderer( choices, mode, alignment )
+{
+}
+
+wxWindow* wxDataViewChoiceByIndexRenderer::CreateEditorCtrl( wxWindow *parent, wxRect labelRect, const wxVariant &value )
+{
+    wxVariant string_value = GetChoice( value.GetLong() );
+
+    return wxDataViewChoiceRenderer::CreateEditorCtrl( parent, labelRect, string_value );
+}
+
+bool wxDataViewChoiceByIndexRenderer::GetValueFromEditorCtrl( wxWindow* editor, wxVariant &value )
+{
+    wxVariant string_value;
+    if (!wxDataViewChoiceRenderer::GetValueFromEditorCtrl( editor, string_value ))
+        return false;
+
+    value = (long) GetChoices().Index( string_value.GetString() );
+    return true;
+}
+
+bool wxDataViewChoiceByIndexRenderer::SetValue( const wxVariant &value )
+{
+    wxVariant string_value = GetChoice( value.GetLong() );
+    return wxDataViewChoiceRenderer::SetValue( string_value );
+}
+
+bool wxDataViewChoiceByIndexRenderer::GetValue( wxVariant &value ) const
+{
+    wxVariant string_value;
+    if (!wxDataViewChoiceRenderer::GetValue( string_value ))
+        return false;
+
+    value = (long) GetChoices().Index( string_value.GetString() );
+    return true;
+}
+
 #endif
 
 //-----------------------------------------------------------------------------
@@ -1539,10 +1701,6 @@ wxDataViewListCtrl::wxDataViewListCtrl( wxWindow *parent, wxWindowID id,
            const wxValidator& validator )
 {
     Create( parent, id, pos, size, style, validator );
-
-    wxDataViewListStore *store = new wxDataViewListStore;
-    AssociateModel( store );
-    store->DecRef();
 }
 
 wxDataViewListCtrl::~wxDataViewListCtrl()
@@ -1554,7 +1712,14 @@ bool wxDataViewListCtrl::Create( wxWindow *parent, wxWindowID id,
            const wxPoint& pos, const wxSize& size, long style,
            const wxValidator& validator )
 {
-    return wxDataViewCtrl::Create( parent, id, pos, size, style, validator );
+    if ( !wxDataViewCtrl::Create( parent, id, pos, size, style, validator ) )
+        return false;
+
+    wxDataViewListStore *store = new wxDataViewListStore;
+    AssociateModel( store );
+    store->DecRef();
+
+    return true;
 }
 
 bool wxDataViewListCtrl::AppendColumn( wxDataViewColumn *column, const wxString &varianttype )
@@ -2081,7 +2246,7 @@ bool wxDataViewTreeCtrl::Create( wxWindow *parent, wxWindowID id,
         wxDATAVIEW_CELL_EDITABLE,
         -1,                         // default width
         wxALIGN_NOT,                //  and alignment
-        0                           // not resizeable
+        0                           // not resizable
     );
 
     return true;