26 #ifndef __TERRALIB_QT_WIDGETS_INTERNAL_HISTOGRAMDIALOG_H    27 #define __TERRALIB_QT_WIDGETS_INTERNAL_HISTOGRAMDIALOG_H    30 #include "../Config.h"    38 namespace Ui { 
class ChartDialogForm; }
    43   namespace map { 
class AbstractLayer; }
    51     class ChartDisplayWidget;
    52     class HistogramDataWidget;
    90           void onOkPushButtonClicked();
    94           std::unique_ptr<Ui::ChartDialogForm>  
m_ui;                   
   102 #endif  // __TERRALIB_QT_WIDGETS_INTERNAL_HISTOGRAMDIALOG_H 
boost::intrusive_ptr< AbstractLayer > AbstractLayerPtr