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livetrax/libs/gtkmm2ext/stateful_button.cc
David Robillard 2e8f80e37a Merged with trunk R1719.
Updated for Jack MIDI SVN branch (required for now).


git-svn-id: svn://localhost/ardour2/branches/midi@1720 d708f5d6-7413-0410-9779-e7cbd77b26cf
2007-04-14 18:39:01 +00:00

103 lines
2.0 KiB
C++

/*
Copyright (C) 2000-2007 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.
*/
#include <string>
#include <iostream>
#include <gtkmm/main.h>
#include <gtkmm2ext/stateful_button.h>
using namespace Gtk;
using namespace Glib;
using namespace Gtkmm2ext;
using namespace std;
StateButton::StateButton ()
{
_is_realized = false;
visual_state = 0;
}
void
StateButton::set_visual_state (int n)
{
if (!_is_realized) {
/* not yet realized */
visual_state = n;
return;
}
if (n == visual_state) {
return;
}
string name = get_widget_name ();
name = name.substr (0, name.find_last_of ('-'));
switch (n) {
case 0:
/* relax */
break;
case 1:
name += "-active";
break;
case 2:
name += "-alternate";
break;
}
set_widget_name (name);
visual_state = n;
}
/* ----------------------------------------------------------------- */
void
StatefulToggleButton::on_realize ()
{
ToggleButton::on_realize ();
_is_realized = true;
visual_state++; // to force transition
set_visual_state (visual_state - 1);
}
void
StatefulButton::on_realize ()
{
Button::on_realize ();
_is_realized = true;
visual_state++; // to force transition
set_visual_state (visual_state - 1);
}
void
StatefulToggleButton::on_toggled ()
{
if (!_self_managed) {
if (get_active()) {
set_visual_state (1);
} else {
set_visual_state (0);
}
}
}