/usr/include/libview/motionTracker.hh is in libview-dev 0.6.6-2.1ubuntu1.
This file is owned by root:root, with mode 0o644.
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* Copyright (c) 2005 VMware, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
* *************************************************************************/
/*
* motionTracker.hh --
*
* The motion tracker is a signal object that will emit whenever the
* widget it is tracking moves. This is necessary because gtk does
* not provide a nice mechanism to do this, so we must encapsulate
* the evilness.
*
* As the motion tracker is just a specialised signal, it can be added
* as a member of a widget class so that motion notification appears
* as just another notifiable event on the widget.
*
* If the target happens to disappear while the tracker is still alive,
* it will completely disconnect itself from all windows and become inert.
*/
#ifndef LIBVIEW_MOTIONTRACKER_HH
#define LIBVIEW_MOTIONTRACKER_HH
#include <gtkmm/widget.h>
#include <libview/weakPtr.hh>
namespace view {
class MotionTracker
: public sigc::signal<void>
{
public:
MotionTracker(Gtk::Widget &target);
~MotionTracker();
private:
typedef std::vector<WeakPtr<Gdk::Window> > WindowVector;
void ConnectWindows(void);
void DisconnectWindows(void);
void ReconnectWindows(void);
static GdkFilterReturn OnXEvent(GdkXEvent *gdkXEvent, GdkEvent *event,
gpointer data);
Gtk::Widget &mTarget;
WindowVector mWindows;
};
} // namespace view
#endif // LIBVIEW_MOTIONTRACKER_HH
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