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Widgets     Book   Gtk::Adjustment Class Reference A class representing an adjustable bounded value. More... Inheritance diagram for Gtk::Adjustment: [legend]List of all members. Public Methods virtual  ~Adjustment () GtkAdjustment*  gobj () const GtkAdjustment*  gobj () const   Adjustment (double value, double lower, double upper, double step_increment=1, double page_increment=10, double page_size=0) void  changed () void  value_changed () void  clamp_page (double lower, double upper) void  set_value (double value) double  get_value () const   Gets the current value of the adjustment. double  get_lower () const double  get_upper () const double  get_step_increment () const double  get_page_increment () const double  get_page_size () const void  set_lower (double lower) void  set_upper (double upper) void  set_step_increment (double incr) void  set_page_increment (double incr) void  set_page_size (double size) Glib::SignalProxy0<void>  signal_changed () Glib::SignalProxy0<void>  signal_value_changed () Protected Methods virtual void  on_changed () virtual void  on_value_changed () Friends class  Range class  HScrollbar class  VScrollbar Related Functions (Note that these are not member functions.) Gtk::Adjustment*  wrap (GtkAdjustment* object, bool take_copy=false) Detailed Description A class representing an adjustable bounded value. The Gtk::Adjustment object represents a value which has an associated lower and upper bound, together with step and page increments, and a page size. It is used within several gtkmm widgets, including Gtk::SpinButton, Gtk::Viewport, and Gtk::Range (which is a base class for Gtk::HScrollbar, Gtk::VScrollbar, Gtk::HScale, and Gtk::VScale). The Gtk::Adjustment object does not update the value itself. Instead it is left up to the owner of the Gtk::Adjustment to control the value. The owner of the Gtk::Adjustment typically calls the value_changed() and changed() functions after changing the value and its bounds. This results in the emission of the "value_changed" or "changed" signal respectively. Constructor & Destructor Documentation virtual Gtk::Adjustment::~Adjustment (   )  [virtual] Gtk::Adjustment::Adjustment ( double    value, double    lower, double    upper, double    step_increment = 1, double    page_increment = 10, double    page_size = 0 )  Member Function Documentation void Gtk::Adjustment::changed (   )  void Gtk::Adjustment::clamp_page ( double    lower, double    upper )  double Gtk::Adjustment::get_lower (   )  const double Gtk::Adjustment::get_page_increment (   )  const double Gtk::Adjustment::get_page_size (   )  const double Gtk::Adjustment::get_step_increment (   )  const double Gtk::Adjustment::get_upper (   )  const double Gtk::Adjustment::get_value (   )  const   Gets the current value of the adjustment. See set_value(). Returns: The current value of the adjustment. const GtkAdjustment* Gtk::Adjustment::gobj (   )  const [inline]   Reimplemented from Gtk::Object. GtkAdjustment* Gtk::Adjustment::gobj (   )  [inline]   Reimplemented from Gtk::Object. virtual void Gtk::Adjustment::on_changed (   )  [protected, virtual] virtual void Gtk::Adjustment::on_value_changed (   )  [protected, virtual] void Gtk::Adjustment::set_lower ( double    lower )  void Gtk::Adjustment::set_page_increment ( double    incr )  void Gtk::Adjustment::set_page_size ( double    size )  void Gtk::Adjustment::set_step_increment ( double    incr )  void Gtk::Adjustment::set_upper ( double    upper )  void Gtk::Adjustment::set_value ( double    value )  Glib::SignalProxy0<void> Gtk::Adjustment::signal_changed (   )    Prototype: void changed() Glib::SignalProxy0<void> Gtk::Adjustment::signal_value_changed (   )    Prototype: void value_changed() void Gtk::Adjustment::value_changed (   )  Friends And Related Function Documentation friend class HScrollbar [friend] friend class Range [friend] friend class VScrollbar [friend] Gtk::Adjustment* wrap ( GtkAdjustment*    object, bool    take_copy = false )  [related] The documentation for this class was generated from the following file: adjustment.h