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livetrax/libs/gtkmm2ext/gtkmm2ext/click_box.h
Carl Hetherington 05fcf75eaf Use sigc::slot for ClickBox printing function rather
than a function pointer.


git-svn-id: svn://localhost/ardour2/branches/3.0@11743 d708f5d6-7413-0410-9779-e7cbd77b26cf
2012-03-21 16:38:59 +00:00

62 lines
1.8 KiB
C++

/*
Copyright (C) 1999 Paul Barton-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 __gtkmm2ext_click_box_h__
#define __gtkmm2ext_click_box_h__
#include <string>
#include <gtkmm.h>
#include <gtkmm2ext/auto_spin.h>
namespace Gtkmm2ext {
class ClickBox : public Gtk::DrawingArea, public AutoSpin
{
public:
ClickBox (Gtk::Adjustment *adj, const std::string &name, bool round_to_steps = false);
~ClickBox ();
/** Set a slot to `print' the value to put in the box.
* The slot should write the value of the Gtk::Adjustment
* into the char array, and should return true if it has done the printing,
* or false to use the ClickBox's default printing method.
*/
void set_printer (sigc::slot<bool, char *, Gtk::Adjustment &>);
protected:
bool on_expose_event (GdkEventExpose*);
private:
Glib::RefPtr<Pango::Layout> layout;
int twidth;
int theight;
void set_label ();
void style_changed (const Glib::RefPtr<Gtk::Style> &);
bool button_press_handler (GdkEventButton *);
bool button_release_handler (GdkEventButton *);
sigc::slot<bool, char *, Gtk::Adjustment &> _printer;
};
} /* namespace */
#endif /* __gtkmm2ext_click_box_h__ */