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livetrax/libs/widgets/binding_proxy.cc

113 lines
2.7 KiB
C++

/*
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.
*/
#include <string>
#include <climits>
#include <iostream>
#include "pbd/controllable.h"
#include "gtkmm2ext/keyboard.h"
#include "widgets/binding_proxy.h"
#include "widgets/popup.h"
#include "pbd/i18n.h"
using namespace std;
using namespace PBD;
using namespace Gtkmm2ext;
using namespace ArdourWidgets;
guint BindingProxy::bind_button = 2;
guint BindingProxy::bind_statemask = Gdk::CONTROL_MASK;
BindingProxy::BindingProxy (boost::shared_ptr<Controllable> c)
: prompter (0),
controllable (c)
{
}
BindingProxy::BindingProxy ()
: prompter (0)
{
}
BindingProxy::~BindingProxy ()
{
if (prompter) {
delete prompter;
}
}
void
BindingProxy::set_controllable (boost::shared_ptr<Controllable> c)
{
learning_finished ();
controllable = c;
}
void
BindingProxy::set_bind_button_state (guint button, guint statemask)
{
bind_button = button;
bind_statemask = statemask;
}
bool
BindingProxy::is_bind_action (GdkEventButton *ev)
{
return (Keyboard::modifier_state_equals (ev->state, bind_statemask) && ev->button == bind_button );
}
bool
BindingProxy::button_press_handler (GdkEventButton *ev)
{
if ( controllable && is_bind_action(ev) ) {
if (Controllable::StartLearning (controllable.get())) {
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
controllable->LearningFinished.connect_same_thread (learning_connection, boost::bind (&BindingProxy::learning_finished, this));
}
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 ();
if (controllable) {
Controllable::StopLearning (controllable.get());
}
return false;
}