X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/fd61f684454470dfe94e476dedfd482aa86554d7..f2049b683752950d1fe91aec07318e7f2122ff16:/include/wx/dataview.h diff --git a/include/wx/dataview.h b/include/wx/dataview.h index 369d18acc9..be3ce240a8 100644 --- a/include/wx/dataview.h +++ b/include/wx/dataview.h @@ -126,6 +126,10 @@ public: virtual bool ValueChanged( const wxDataViewItem &item, unsigned int col ) = 0; virtual bool Cleared() = 0; + // some platforms, such as GTK+, may need a two step procedure for ::Reset() + virtual bool BeforeReset() { return true; } + virtual bool AfterReset() { return Cleared(); } + virtual void Resort() = 0; void SetOwner( wxDataViewModel *owner ) { m_owner = owner; } @@ -159,7 +163,7 @@ public: void SetItalic( bool set ) { m_italic = set; } // accessors - bool HasColour() const { return m_colour.Ok(); } + bool HasColour() const { return m_colour.IsOk(); } const wxColour& GetColour() const { return m_colour; } bool HasFont() const { return m_bold || m_italic; } @@ -168,6 +172,9 @@ public: bool IsDefault() const { return !(HasColour() || HasFont()); } + // Return the font based on the given one with this attribute applied to it. + wxFont GetEffectiveFont(const wxFont& font) const; + private: wxColour m_colour; bool m_bold; @@ -227,6 +234,13 @@ public: return false; } + // Override this if you want to disable specific items + virtual bool IsEnabled(const wxDataViewItem &WXUNUSED(item), + unsigned int WXUNUSED(col)) const + { + return true; + } + // define hierachy virtual wxDataViewItem GetParent( const wxDataViewItem &item ) const = 0; virtual bool IsContainer( const wxDataViewItem &item ) const = 0; @@ -236,16 +250,21 @@ public: virtual unsigned int GetChildren( const wxDataViewItem &item, wxDataViewItemArray &children ) const = 0; // delegated notifiers - virtual bool ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item ); - virtual bool ItemsAdded( const wxDataViewItem &parent, const wxDataViewItemArray &items ); - virtual bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item ); - virtual bool ItemsDeleted( const wxDataViewItem &parent, const wxDataViewItemArray &items ); - virtual bool ItemChanged( const wxDataViewItem &item ); - virtual bool ItemsChanged( const wxDataViewItemArray &items ); - virtual bool ValueChanged( const wxDataViewItem &item, unsigned int col ); - virtual bool Cleared(); + bool ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item ); + bool ItemsAdded( const wxDataViewItem &parent, const wxDataViewItemArray &items ); + bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item ); + bool ItemsDeleted( const wxDataViewItem &parent, const wxDataViewItemArray &items ); + bool ItemChanged( const wxDataViewItem &item ); + bool ItemsChanged( const wxDataViewItemArray &items ); + bool ValueChanged( const wxDataViewItem &item, unsigned int col ); + bool Cleared(); + + // some platforms, such as GTK+, may need a two step procedure for ::Reset() + bool BeforeReset(); + bool AfterReset(); - // delegatd action + + // delegated action virtual void Resort(); void AddNotifier( wxDataViewModelNotifier *notifier ); @@ -257,6 +276,7 @@ public: virtual bool HasDefaultCompare() const { return false; } // internal + virtual bool IsListModel() const { return false; } virtual bool IsVirtualListModel() const { return false; } protected: @@ -291,10 +311,18 @@ public: return false; } + virtual bool IsEnabledByRow(unsigned int WXUNUSED(row), + unsigned int WXUNUSED(col)) const + { + return true; + } + // helper methods provided by list models only virtual unsigned GetRow( const wxDataViewItem &item ) const = 0; + // returns the number of rows + virtual unsigned int GetCount() const = 0; // implement some base class pure virtual directly virtual wxDataViewItem @@ -328,6 +356,14 @@ public: { return GetAttrByRow( GetRow(item), col, attr ); } + + virtual bool IsEnabled(const wxDataViewItem &item, unsigned int col) const + { + return IsEnabledByRow( GetRow(item), col ); + } + + + virtual bool IsListModel() const { return true; } }; // --------------------------------------------------------- @@ -639,6 +675,12 @@ public: int GetIndent() const { return m_indent; } + // Current item is the one used by the keyboard navigation, it is the same + // as the (unique) selected item in single selection mode so these + // functions are mostly useful for controls with wxDV_MULTIPLE style. + wxDataViewItem GetCurrentItem() const; + void SetCurrentItem(const wxDataViewItem& item); + virtual wxDataViewItem GetSelection() const = 0; virtual int GetSelections( wxDataViewItemArray & sel ) const = 0; virtual void SetSelections( const wxDataViewItemArray & sel ) = 0; @@ -659,6 +701,12 @@ public: virtual void HitTest( const wxPoint & point, wxDataViewItem &item, wxDataViewColumn* &column ) const = 0; virtual wxRect GetItemRect( const wxDataViewItem & item, const wxDataViewColumn *column = NULL ) const = 0; + virtual bool SetRowHeight( int WXUNUSED(rowHeight) ) { return false; } + + virtual void StartEditor( const wxDataViewItem & WXUNUSED(item), + unsigned int WXUNUSED(column) ) + { } + #if wxUSE_DRAG_AND_DROP virtual bool EnableDragSource(const wxDataFormat& WXUNUSED(format)) { return false; } @@ -685,6 +733,12 @@ protected: virtual void DoSetIndent() = 0; private: + // Implementation of the public Set/GetCurrentItem() methods which are only + // called in multi selection case (for single selection controls their + // implementation is trivial and is done in the base class itself). + virtual wxDataViewItem DoGetCurrentItem() const = 0; + virtual void DoSetCurrentItem(const wxDataViewItem& item) = 0; + wxDataViewModel *m_model; wxDataViewColumn *m_expander_column; int m_indent ; @@ -709,7 +763,8 @@ public: m_column(NULL), m_pos(-1,-1), m_cacheFrom(0), - m_cacheTo(0) + m_cacheTo(0), + m_editCancelled(false) #if wxUSE_DRAG_AND_DROP , m_dataObject(NULL), m_dataBuffer(NULL), @@ -724,9 +779,10 @@ public: m_model(event.m_model), m_value(event.m_value), m_column(event.m_column), - m_pos(m_pos), + m_pos(event.m_pos), m_cacheFrom(event.m_cacheFrom), - m_cacheTo(event.m_cacheTo) + m_cacheTo(event.m_cacheTo), + m_editCancelled(event.m_editCancelled) #if wxUSE_DRAG_AND_DROP , m_dataObject(event.m_dataObject), m_dataFormat(event.m_dataFormat), @@ -747,6 +803,10 @@ public: const wxVariant &GetValue() const { return m_value; } void SetValue( const wxVariant &value ) { m_value = value; } + // for wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_DONE only + bool IsEditCancelled() const { return m_editCancelled; } + void SetEditCanceled(bool editCancelled) { m_editCancelled = editCancelled; } + // for wxEVT_DATAVIEW_COLUMN_HEADER_CLICKED only void SetDataViewColumn( wxDataViewColumn *col ) { m_column = col; } wxDataViewColumn *GetDataViewColumn() const { return m_column; } @@ -786,6 +846,7 @@ protected: wxPoint m_pos; int m_cacheFrom; int m_cacheTo; + bool m_editCancelled; #if wxUSE_DRAG_AND_DROP wxDataObject *m_dataObject; @@ -950,6 +1011,20 @@ public: const wxDataViewListStore *GetStore() const { return (const wxDataViewListStore*) GetModel(); } + int ItemToRow(const wxDataViewItem &item) const + { return item.IsOk() ? (int)GetStore()->GetRow(item) : wxNOT_FOUND; } + wxDataViewItem RowToItem(int row) const + { return row == wxNOT_FOUND ? wxDataViewItem() : GetStore()->GetItem(row); } + + int GetSelectedRow() const + { return ItemToRow(GetSelection()); } + void SelectRow(unsigned row) + { Select(RowToItem(row)); } + void UnselectRow(unsigned row) + { Unselect(RowToItem(row)); } + bool IsRowSelected(unsigned row) const + { return IsSelected(RowToItem(row)); } + bool AppendColumn( wxDataViewColumn *column, const wxString &varianttype ); bool PrependColumn( wxDataViewColumn *column, const wxString &varianttype ); bool InsertColumn( unsigned int pos, wxDataViewColumn *column, const wxString &varianttype ); @@ -1110,7 +1185,7 @@ public: wxDataViewItem GetNthChild( const wxDataViewItem& parent, unsigned int pos ) const; int GetChildCount( const wxDataViewItem& parent ) const; - + void SetItemText( const wxDataViewItem& item, const wxString &text ); wxString GetItemText( const wxDataViewItem& item ) const; void SetItemIcon( const wxDataViewItem& item, const wxIcon &icon );