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livetrax/gtk2_ardour/panner_interface.h
Carl Hetherington 2adb3fb579 Show panner drag information tool-tip style, and also show
it when the button is pressed to start a drag (#4584 and
#4585).


git-svn-id: svn://localhost/ardour2/branches/3.0@11072 d708f5d6-7413-0410-9779-e7cbd77b26cf
2011-12-26 14:30:35 +00:00

60 lines
1.7 KiB
C++

/*
Copyright (C) 2011 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __gtk_ardour_panner_interface_h__
#define __gtk_ardour_panner_interface_h__
#include <boost/shared_ptr.hpp>
#include <gtkmm/drawingarea.h>
#include <gtkmm/label.h>
namespace ARDOUR {
class Panner;
}
/** Parent class for some panner UI classes that contains some common code */
class PannerInterface : public Gtk::DrawingArea
{
public:
PannerInterface (boost::shared_ptr<ARDOUR::Panner>);
virtual ~PannerInterface ();
protected:
virtual void set_drag_data () = 0;
void show_drag_data_window ();
void hide_drag_data_window ();
void value_change ();
bool on_enter_notify_event (GdkEventCrossing *);
bool on_leave_notify_event (GdkEventCrossing *);
bool on_key_release_event (GdkEventKey *);
boost::shared_ptr<ARDOUR::Panner> _panner;
Gtk::Window* _drag_data_window;
Gtk::Label* _drag_data_label;
bool _dragging;
private:
bool drag_data_timeout ();
sigc::connection _drag_data_timeout;
};
#endif