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adjustment.hh

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00001 /* GFC-UI: GTK+ Foundation Classes (User Interface Library) 00002 * Copyright (C) 2002-2004 The GFC Development Team. 00003 * 00004 * This program is free software; you can redistribute it and/or modify 00005 * it under the terms of the GNU General Public License as published by 00006 * the Free Software Foundation; either version 2 of the License, or 00007 * (at your option) any later version. 00008 * 00009 * This program is distributed in the hope that it will be useful, 00010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00012 * GNU Library General Public License for more details. 00013 * 00014 * You should have received a copy of the GNU Library General Public License 00015 * along with this program; if not, write to the Free Software 00016 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 00017 */ 00018 00026 00027 #ifndef GFC_GTK_ADJUSTMENT_HH 00028 #define GFC_GTK_ADJUSTMENT_HH 00029 00030 #ifndef GFC_GTK_OBJECT_HH 00031 #include <gfc/gtk/object.hh> 00032 #endif 00033 00034 #ifndef __GTK_ADJUSTMENT_H__ 00035 #include <gtk/gtkadjustment.h> 00036 #endif 00037 00038 namespace GFC { 00039 00040 namespace Gtk { 00041 00055 00056 class Adjustment : public Object 00057 { 00058 friend class G::Object; 00059 00060 Adjustment(const Adjustment&); 00061 Adjustment& operator=(const Adjustment&); 00062 00063 protected: 00066 00067 explicit Adjustment(GtkAdjustment *adjustment, bool owns_reference = false); 00074 00078 00079 typedef G::Signal<void> ChangedSignalType; 00080 typedef G::SignalProxy<TypeInstance, ChangedSignalType> ChangedSignalProxy; 00081 static const ChangedSignalType changed_signal; 00086 00087 typedef G::Signal<void> ValueChangedSignalType; 00088 typedef G::SignalProxy<TypeInstance, ValueChangedSignalType> ValueChangedSignalProxy; 00089 static const ValueChangedSignalType value_changed_signal; 00094 00096 00097 public: 00100 00101 Adjustment(); 00103 00104 Adjustment(double lower, double upper, double step_increment, double page_increment, double page_size); 00118 00119 Adjustment(double value, double lower, double upper, double step_increment, double page_increment, double page_size); 00130 00131 virtual ~Adjustment(); 00133 00137 00138 GtkAdjustment* gtk_adjustment() const; 00140 00141 operator GtkAdjustment* () const; 00143 00144 double lower() const; 00146 00147 double upper() const; 00149 00150 double step_increment() const; 00152 00153 double page_increment() const; 00155 00156 double page_size() const; 00158 00159 double get_value() const; 00161 00165 00166 void changed(); 00170 00171 void value_changed(); 00175 00176 void clamp_page(double lower, double upper); 00185 00186 void set_value(double value); 00189 00190 void set_range(double lower, double upper, double step_increment, double page_increment, double page_size); 00200 00204 00205 const ChangedSignalProxy sig_changed(); 00208 00209 const ValueChangedSignalProxy sig_value_changed(); 00211 00213 }; 00214 00215 } // namespace Gtk 00216 00217 } // namespace GFC 00218 00219 #include <gfc/gtk/inline/adjustment.inl> 00220 00221 #endif // GFC_GTK_ADJUSTMENT_HH 00222

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