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livetrax/libs/gtkmm2/gtk/gtkmm/adjustment.cc

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// Generated by gtkmmproc -- DO NOT MODIFY!
#include <gtkmm/adjustment.h>
#include <gtkmm/private/adjustment_p.h>
// -*- c++ -*-
/* $Id$ */
/*
*
* Copyright 1998-2002 The gtkmm Development Team
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <gtk/gtkadjustment.h>
namespace Gtk
{
Adjustment::Adjustment(double value,
double lower, double upper,
double step_increment, double page_increment,
double page_size)
:
Glib::ObjectBase(0), //Mark this class as gtkmmproc-generated, rather than a custom class, to allow vfunc optimisations.
Gtk::Object(Glib::ConstructParams(adjustment_class_.init(), (char*) 0))
{
gobj()->lower = lower;
gobj()->upper = upper;
gobj()->step_increment = step_increment;
gobj()->page_increment = page_increment;
gobj()->page_size = page_size;
changed();
set_value(value);
}
void Adjustment::set_lower(double lower)
{
gobj()->lower = lower;
changed();
}
void Adjustment::set_upper(double upper)
{
gobj()->upper = upper;
changed();
}
void Adjustment::set_step_increment(double incr)
{
gobj()->step_increment = incr;
changed();
}
void Adjustment::set_page_increment(double incr)
{
gobj()->page_increment = incr;
changed();
}
void Adjustment::set_page_size(double size)
{
gobj()->page_size = size;
changed();
}
} // namespace Gtk
namespace
{
const Glib::SignalProxyInfo Adjustment_signal_changed_info =
{
"changed",
(GCallback) &Glib::SignalProxyNormal::slot0_void_callback,
(GCallback) &Glib::SignalProxyNormal::slot0_void_callback
};
const Glib::SignalProxyInfo Adjustment_signal_value_changed_info =
{
"value_changed",
(GCallback) &Glib::SignalProxyNormal::slot0_void_callback,
(GCallback) &Glib::SignalProxyNormal::slot0_void_callback
};
} // anonymous namespace
namespace Glib
{
Gtk::Adjustment* wrap(GtkAdjustment* object, bool take_copy)
{
return dynamic_cast<Gtk::Adjustment *> (Glib::wrap_auto ((GObject*)(object), take_copy));
}
} /* namespace Glib */
namespace Gtk
{
/* The *_Class implementation: */
const Glib::Class& Adjustment_Class::init()
{
if(!gtype_) // create the GType if necessary
{
// Glib::Class has to know the class init function to clone custom types.
class_init_func_ = &Adjustment_Class::class_init_function;
// This is actually just optimized away, apparently with no harm.
// Make sure that the parent type has been created.
//CppClassParent::CppObjectType::get_type();
// Create the wrapper type, with the same class/instance size as the base type.
register_derived_type(gtk_adjustment_get_type());
// Add derived versions of interfaces, if the C type implements any interfaces:
}
return *this;
}
void Adjustment_Class::class_init_function(void* g_class, void* class_data)
{
BaseClassType *const klass = static_cast<BaseClassType*>(g_class);
CppClassParent::class_init_function(klass, class_data);
klass->changed = &changed_callback;
klass->value_changed = &value_changed_callback;
}
void Adjustment_Class::changed_callback(GtkAdjustment* self)
{
CppObjectType *const obj = dynamic_cast<CppObjectType*>(
Glib::ObjectBase::_get_current_wrapper((GObject*)self));
// Non-gtkmmproc-generated custom classes implicitly call the default
// Glib::ObjectBase constructor, which sets is_derived_. But gtkmmproc-
// generated classes can use this optimisation, which avoids the unnecessary
// parameter conversions if there is no possibility of the virtual function
// being overridden:
if(obj && obj->is_derived_())
{
try // Trap C++ exceptions which would normally be lost because this is a C callback.
{
// Call the virtual member method, which derived classes might override.
obj->on_changed();
}
catch(...)
{
Glib::exception_handlers_invoke();
}
}
else
{
BaseClassType *const base = static_cast<BaseClassType*>(
g_type_class_peek_parent(G_OBJECT_GET_CLASS(self)) // Get the parent class of the object class (The original underlying C class).
);
// Call the original underlying C function:
if(base && base->changed)
(*base->changed)(self);
}
}
void Adjustment_Class::value_changed_callback(GtkAdjustment* self)
{
CppObjectType *const obj = dynamic_cast<CppObjectType*>(
Glib::ObjectBase::_get_current_wrapper((GObject*)self));
// Non-gtkmmproc-generated custom classes implicitly call the default
// Glib::ObjectBase constructor, which sets is_derived_. But gtkmmproc-
// generated classes can use this optimisation, which avoids the unnecessary
// parameter conversions if there is no possibility of the virtual function
// being overridden:
if(obj && obj->is_derived_())
{
try // Trap C++ exceptions which would normally be lost because this is a C callback.
{
// Call the virtual member method, which derived classes might override.
obj->on_value_changed();
}
catch(...)
{
Glib::exception_handlers_invoke();
}
}
else
{
BaseClassType *const base = static_cast<BaseClassType*>(
g_type_class_peek_parent(G_OBJECT_GET_CLASS(self)) // Get the parent class of the object class (The original underlying C class).
);
// Call the original underlying C function:
if(base && base->value_changed)
(*base->value_changed)(self);
}
}
Glib::ObjectBase* Adjustment_Class::wrap_new(GObject* o)
{
return manage(new Adjustment((GtkAdjustment*)(o)));
}
/* The implementation: */
Adjustment::Adjustment(const Glib::ConstructParams& construct_params)
:
Gtk::Object(construct_params)
{
}
Adjustment::Adjustment(GtkAdjustment* castitem)
:
Gtk::Object((GtkObject*)(castitem))
{
}
Adjustment::~Adjustment()
{
destroy_();
}
Adjustment::CppClassType Adjustment::adjustment_class_; // initialize static member
GType Adjustment::get_type()
{
return adjustment_class_.init().get_type();
}
GType Adjustment::get_base_type()
{
return gtk_adjustment_get_type();
}
void Adjustment::changed()
{
gtk_adjustment_changed(gobj());
}
void Adjustment::value_changed()
{
gtk_adjustment_value_changed(gobj());
}
void Adjustment::clamp_page(double lower, double upper)
{
gtk_adjustment_clamp_page(gobj(), lower, upper);
}
void Adjustment::set_value(double value)
{
gtk_adjustment_set_value(gobj(), value);
}
double Adjustment::get_value() const
{
return gtk_adjustment_get_value(const_cast<GtkAdjustment*>(gobj()));
}
double Adjustment::get_lower() const
{
return gobj()->lower;
}
double Adjustment::get_upper() const
{
return gobj()->upper;
}
double Adjustment::get_step_increment() const
{
return gobj()->step_increment;
}
double Adjustment::get_page_increment() const
{
return gobj()->page_increment;
}
double Adjustment::get_page_size() const
{
return gobj()->page_size;
}
Glib::SignalProxy0< void > Adjustment::signal_changed()
{
return Glib::SignalProxy0< void >(this, &Adjustment_signal_changed_info);
}
Glib::SignalProxy0< void > Adjustment::signal_value_changed()
{
return Glib::SignalProxy0< void >(this, &Adjustment_signal_value_changed_info);
}
void Gtk::Adjustment::on_changed()
{
BaseClassType *const base = static_cast<BaseClassType*>(
g_type_class_peek_parent(G_OBJECT_GET_CLASS(gobject_)) // Get the parent class of the object class (The original underlying C class).
);
if(base && base->changed)
(*base->changed)(gobj());
}
void Gtk::Adjustment::on_value_changed()
{
BaseClassType *const base = static_cast<BaseClassType*>(
g_type_class_peek_parent(G_OBJECT_GET_CLASS(gobject_)) // Get the parent class of the object class (The original underlying C class).
);
if(base && base->value_changed)
(*base->value_changed)(gobj());
}
} // namespace Gtk