activating DrawRectangle optimization

[wxWidgets.git] / include / wx / generic / dataview.h

diff --git a/include/wx/generic/dataview.h b/include/wx/generic/dataview.h
index aee0e0e96861b054c47940a2b0eb558d047afeab..9115dcb3ca7d4ea6aff955f5b623d9cac081edf0 100644 (file)
--- a/include/wx/generic/dataview.h
+++ b/include/wx/generic/dataview.h
@@ -17,6 +17,7 @@
 #include "wx/control.h"
 #include "wx/scrolwin.h"
 #include "wx/icon.h"
+#include "wx/vector.h"
 
 class WXDLLIMPEXP_FWD_ADV wxDataViewMainWindow;
 class WXDLLIMPEXP_FWD_ADV wxDataViewHeaderWindow;
@@ -56,7 +57,7 @@ public:
     virtual wxString GetTitle() const { return m_title; }
 
     virtual void SetWidth(int width) { m_width = width; UpdateDisplay(); }
-    virtual int GetWidth() const { return m_width; }
+    virtual int GetWidth() const;
 
     virtual void SetMinWidth(int minWidth) { m_minWidth = minWidth; UpdateDisplay(); }
     virtual int GetMinWidth() const { return m_minWidth; }
@@ -67,10 +68,12 @@ public:
     virtual void SetFlags(int flags) { m_flags = flags; UpdateDisplay(); }
     virtual int GetFlags() const { return m_flags; }
 
-    virtual void SetAsSortKey(bool sort = true) { m_sort = sort; UpdateDisplay(); }
     virtual bool IsSortKey() const { return m_sort; }
 
-    virtual void SetSortOrder(bool ascending) { m_sortAscending = ascending; UpdateDisplay(); }
+    virtual void UnsetAsSortKey() { m_sort = false; UpdateDisplay(); }
+
+    virtual void SetSortOrder(bool ascending);
+
     virtual bool IsSortOrderAscending() const { return m_sortAscending; }
 
     virtual void SetBitmap( const wxBitmap& bitmap ) { wxDataViewColumnBase::SetBitmap(bitmap); UpdateDisplay(); }
@@ -79,7 +82,7 @@ public:
 private:
     // common part of all ctors
     void Init(int width, wxAlignment align, int flags);
-    
+
     void UpdateDisplay();
 
     wxString m_title;
@@ -121,7 +124,7 @@ public:
            const wxPoint& pos = wxDefaultPosition,
            const wxSize& size = wxDefaultSize, long style = 0,
            const wxValidator& validator = wxDefaultValidator,
-           const wxString& name = wxDataViewCtrlNameStr );
+           const wxString& name = wxDataViewCtrlNameStr )
              : wxScrollHelper(this)
     {
         Create(parent, id, pos, size, style, validator, name);
@@ -154,7 +157,7 @@ public:
 
     virtual wxDataViewColumn *GetSortingColumn() const;
 
-    virtual wxDataViewItem GetSelection() const;
+    virtual int GetSelectedItemsCount() const;
     virtual int GetSelections( wxDataViewItemArray & sel ) const;
     virtual void SetSelections( const wxDataViewItemArray & sel );
     virtual void Select( const wxDataViewItem & item );
@@ -171,6 +174,8 @@ public:
     virtual wxRect GetItemRect( const wxDataViewItem & item,
                                 const wxDataViewColumn *column = NULL ) const;
 
+    virtual bool SetRowHeight( int rowHeight );
+
     virtual void Expand( const wxDataViewItem & item );
     virtual void Collapse( const wxDataViewItem & item );
     virtual bool IsExpanded( const wxDataViewItem & item ) const;
@@ -184,19 +189,18 @@ public:
 
     virtual wxBorder GetDefaultBorder() const;
 
-    void StartEditor( const wxDataViewItem & item, unsigned int column );
+    virtual void EditItem(const wxDataViewItem& item, const wxDataViewColumn *column);
 
-protected:
-    virtual int GetSelections( wxArrayInt & sel ) const;
-    virtual void SetSelections( const wxArrayInt & sel );
-    virtual void Select( int row );
-    virtual void Unselect( int row );
-    virtual bool IsSelected( int row ) const;
-    virtual void SelectRange( int from, int to );
-    virtual void UnselectRange( int from, int to );
+    // These methods are specific to generic wxDataViewCtrl implementation and
+    // should not be used in portable code.
+    wxColour GetAlternateRowColour() const { return m_alternateRowColour; }
+    void SetAlternateRowColour(const wxColour& colour);
 
+protected:
     virtual void EnsureVisible( int row, int column );
 
+    // Notice that row here may be invalid (i.e. >= GetRowCount()), this is not
+    // an error and this function simply returns an invalid item in this case.
     virtual wxDataViewItem GetItemByRow( unsigned int row ) const;
     virtual int GetRowByItem( const wxDataViewItem & item ) const;
 
@@ -206,10 +210,7 @@ protected:
 public:     // utility functions not part of the API
 
     // returns the "best" width for the idx-th column
-    unsigned int GetBestColumnWidth(int WXUNUSED(idx)) const
-    {
-        return GetClientSize().GetWidth() / GetColumnCount();
-    }
+    unsigned int GetBestColumnWidth(int idx) const;
 
     // called by header window after reorder
     void ColumnMoved( wxDataViewColumn* col, unsigned int new_pos );
@@ -228,12 +229,40 @@ public:     // utility functions not part of the API
     // return the column displayed at the given position in the control
     wxDataViewColumn *GetColumnAt(unsigned int pos) const;
 
+    virtual wxDataViewColumn *GetCurrentColumn() const;
+
+    virtual void OnInternalIdle();
+
 private:
+    virtual wxDataViewItem DoGetCurrentItem() const;
+    virtual void DoSetCurrentItem(const wxDataViewItem& item);
+
+    void InvalidateColBestWidths();
+    void InvalidateColBestWidth(int idx);
+    void UpdateColWidths();
+
     wxDataViewColumnList      m_cols;
+    // cached column best widths information, values are for
+    // respective columns from m_cols and the arrays have same size
+    struct CachedColWidthInfo
+    {
+        CachedColWidthInfo() : width(0), dirty(true) {}
+        int width;  // cached width or 0 if not computed
+        bool dirty; // column was invalidated, header needs updating
+    };
+    wxVector<CachedColWidthInfo> m_colsBestWidths;
+    // This indicates that at least one entry in m_colsBestWidths has 'dirty'
+    // flag set. It's cheaper to check one flag in OnInternalIdle() than to
+    // iterate over m_colsBestWidths to check if anything needs to be done.
+    bool                      m_colsDirty;
+
     wxDataViewModelNotifier  *m_notifier;
     wxDataViewMainWindow     *m_clientArea;
     wxDataViewHeaderWindow   *m_headerArea;
 
+    // user defined color to draw row lines, may be invalid
+    wxColour m_alternateRowColour;
+
     // the index of the column currently used for sorting or -1
     int m_sortingColumnIdx;