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livetrax/gtk2_ardour/ardour_display.cc
Ben Loftis 3f297f7dab Fix ArdourButton event sequence.
Always give ArdourButton a chance to handle Press or Release events if you override them.
This allows ArdourButtons to do the "Pressed" animation
And it now correctly eats the event so button clicks don't select the channelstrip.
2014-08-28 10:31:57 -05:00

148 lines
3.2 KiB
C++

/*
Copyright (C) 2014 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 <iostream>
#include <cmath>
#include <algorithm>
#include <pangomm/layout.h>
#include "pbd/compose.h"
#include "pbd/error.h"
#include "pbd/stacktrace.h"
#include "gtkmm2ext/utils.h"
#include "gtkmm2ext/rgb_macros.h"
#include "gtkmm2ext/gui_thread.h"
#include "gtkmm2ext/keyboard.h"
#include "ardour/rc_configuration.h" // for widget prelight preference
#include "ardour_display.h"
#include "ardour_ui.h"
#include "global_signals.h"
#include "i18n.h"
using namespace Gtkmm2ext;
using namespace Gdk;
using namespace Gtk;
using namespace Glib;
using namespace PBD;
using std::max;
using std::min;
using namespace std;
ArdourDisplay::ArdourDisplay (Element e)
{
add_elements(e);
add_elements(ArdourButton::Menu);
add_elements(ArdourButton::Text);
}
ArdourDisplay::~ArdourDisplay ()
{
}
bool
ArdourDisplay::on_button_press_event (GdkEventButton*)
{
_menu.popup (1, gtk_get_current_event_time());
return true;
}
bool
ArdourDisplay::on_scroll_event (GdkEventScroll* ev)
{
/* mouse wheel */
float scale = 1.0;
if (ev->state & Keyboard::GainFineScaleModifier) {
if (ev->state & Keyboard::GainExtraFineScaleModifier) {
scale *= 0.01;
} else {
scale *= 0.10;
}
}
boost::shared_ptr<PBD::Controllable> c = binding_proxy.get_controllable();
if (c) {
float val = c->get_interface();
if ( ev->direction == GDK_SCROLL_UP )
val += 0.05 * scale; //by default, we step in 1/20ths of the knob travel
else
val -= 0.05 * scale;
c->set_interface(val);
}
return true;
}
void
ArdourDisplay::add_controllable_preset (const char *txt, float val)
{
using namespace Menu_Helpers;
MenuList& items = _menu.items ();
items.push_back (MenuElem (txt, sigc::bind (sigc::mem_fun(*this, &ArdourDisplay::handle_controllable_preset), val)));
}
void
ArdourDisplay::handle_controllable_preset (float p)
{
boost::shared_ptr<PBD::Controllable> c = binding_proxy.get_controllable();
if (!c) return;
c->set_user(p);
}
void
ArdourDisplay::set_controllable (boost::shared_ptr<Controllable> c)
{
watch_connection.disconnect (); //stop watching the old controllable
if (!c) return;
binding_proxy.set_controllable (c);
c->Changed.connect (watch_connection, invalidator(*this), boost::bind (&ArdourDisplay::controllable_changed, this), gui_context());
controllable_changed();
}
void
ArdourDisplay::controllable_changed ()
{
boost::shared_ptr<PBD::Controllable> c = binding_proxy.get_controllable();
if (!c) return;
set_text(c->get_user_string());
set_dirty();
}