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livetrax/libs/gtkmm2ext/binding_proxy.cc

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/*
Copyright (C) 2006 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.
$Id$
*/
#include <string>
#include <climits>
#include <iostream>
#include <pbd/controllable.h>
#include <gtkmm2ext/binding_proxy.h>
#include "i18n.h"
using namespace Gtkmm2ext;
using namespace std;
using namespace PBD;
BindingProxy::BindingProxy (Controllable& c)
: prompter (0),
controllable (c),
bind_button (2),
bind_statemask (Gdk::CONTROL_MASK)
{
}
BindingProxy::~BindingProxy ()
{
if (prompter) {
delete prompter;
}
}
void
BindingProxy::set_bind_button_state (guint button, guint statemask)
{
bind_button = button;
bind_statemask = statemask;
}
void
BindingProxy::get_bind_button_state (guint &button, guint &statemask)
{
button = bind_button;
statemask = bind_statemask;
}
bool
BindingProxy::button_press_handler (GdkEventButton *ev)
{
if ((ev->state & bind_statemask) && ev->button == bind_button) {
if (Controllable::StartLearning (&controllable)) {
string prompt = _("operate controller now");
if (prompter == 0) {
prompter = new PopUp (Gtk::WIN_POS_MOUSE, 30000, false);
prompter->signal_unmap_event().connect (mem_fun (*this, &BindingProxy::prompter_hiding));
}
prompter->set_text (prompt);
prompter->touch (); // shows popup
learning_connection = controllable.LearningFinished.connect (mem_fun (*this, &BindingProxy::learning_finished));
}
return true;
}
return false;
}
void
BindingProxy::learning_finished ()
{
learning_connection.disconnect ();
if (prompter) {
prompter->touch (); // hides popup
}
}
bool
BindingProxy::prompter_hiding (GdkEventAny *ev)
{
learning_connection.disconnect ();
Controllable::StopLearning (&controllable);
return false;
}