/usr/include/gtkmm-3.0/gtkmm/gesturezoom.h is in libgtkmm-3.0-dev 3.14.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Generated by gmmproc 2.42.0 -- DO NOT MODIFY!
#ifndef _GTKMM_GESTUREZOOM_H
#define _GTKMM_GESTUREZOOM_H
#include <glibmm/ustring.h>
#include <sigc++/sigc++.h>
/* Copyright (C) 2014 The gtkmm Development Team
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include <gtkmm/gesture.h>
#ifndef DOXYGEN_SHOULD_SKIP_THIS
typedef struct _GtkGestureZoom GtkGestureZoom;
typedef struct _GtkGestureZoomClass GtkGestureZoomClass;
#endif /* DOXYGEN_SHOULD_SKIP_THIS */
namespace Gtk
{ class GestureZoom_Class; } // namespace Gtk
namespace Gtk
{
/** Zoom gesture.
*
* This is a Gesture implementation able to recognize
* pinch/zoom gestures. Whenever the distance between both tracked
* sequences changes, signal_scale_changed() is emitted to report the scale factor.
*
* @newin{3,14}
*
* @ingroup Gestures
*/
class GestureZoom : public Gesture
{
#ifndef DOXYGEN_SHOULD_SKIP_THIS
public:
typedef GestureZoom CppObjectType;
typedef GestureZoom_Class CppClassType;
typedef GtkGestureZoom BaseObjectType;
typedef GtkGestureZoomClass BaseClassType;
private: friend class GestureZoom_Class;
static CppClassType gesturezoom_class_;
private:
// noncopyable
GestureZoom(const GestureZoom&);
GestureZoom& operator=(const GestureZoom&);
protected:
explicit GestureZoom(const Glib::ConstructParams& construct_params);
explicit GestureZoom(GtkGestureZoom* castitem);
#endif /* DOXYGEN_SHOULD_SKIP_THIS */
public:
virtual ~GestureZoom();
/** Get the GType for this class, for use with the underlying GObject type system.
*/
static GType get_type() G_GNUC_CONST;
#ifndef DOXYGEN_SHOULD_SKIP_THIS
static GType get_base_type() G_GNUC_CONST;
#endif
///Provides access to the underlying C GObject.
GtkGestureZoom* gobj() { return reinterpret_cast<GtkGestureZoom*>(gobject_); }
///Provides access to the underlying C GObject.
const GtkGestureZoom* gobj() const { return reinterpret_cast<GtkGestureZoom*>(gobject_); }
///Provides access to the underlying C instance. The caller is responsible for unrefing it. Use when directly setting fields in structs.
GtkGestureZoom* gobj_copy();
private:
protected:
/** There is no create() method that corresponds to this constructor,
* because this constructor shall only be used by derived classes.
*/
GestureZoom();
/** Constructs a Gesture that recognizes zoom in/out gestures
* (usually known as pinch/zoom).
*/
explicit GestureZoom(Widget& widget);
public:
/** Creates a Gesture that recognizes zoom in/out gestures
* (usually known as pinch/zoom).
*
* @newin{3,14}
*
* @param widget Widget the gesture relates to.
* @return A RefPtr to a new GestureZoom.
*/
static Glib::RefPtr<GestureZoom> create(Widget& widget);
/** If @a gesture is active, this function returns the zooming difference
* since the gesture was recognized (hence the starting point is
* considered 1:1). If @a gesture is not active, 1 is returned.
*
* @newin{3,14}
*
* @return The scale delta.
*/
double get_scale_delta() const;
// no_default_handler because GtkGestureZoomClass is private.
/**
* @par Slot Prototype:
* <tt>void on_my_%scale_changed(double scale)</tt>
*
* This signal is emitted whenever the distance between both tracked
* sequences changes.
*
* @newin{3,14}
*
* @param scale Scale delta, taking the initial state as 1:1.
*/
Glib::SignalProxy1< void,double > signal_scale_changed();
// GestureZoom has no properties
public:
public:
//C++ methods used to invoke GTK+ virtual functions:
protected:
//GTK+ Virtual Functions (override these to change behaviour):
//Default Signal Handlers::
};
} // namespace Gtk
namespace Glib
{
/** A Glib::wrap() method for this object.
*
* @param object The C instance.
* @param take_copy False if the result should take ownership of the C instance. True if it should take a new copy or ref.
* @result A C++ instance that wraps this C instance.
*
* @relates Gtk::GestureZoom
*/
Glib::RefPtr<Gtk::GestureZoom> wrap(GtkGestureZoom* object, bool take_copy = false);
}
#endif /* _GTKMM_GESTUREZOOM_H */
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