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livetrax/gtk2_ardour/meterbridge.h

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/*
* Copyright (C) 2013-2019 Robin Gareus <robin@gareus.org>
* Copyright (C) 2016 Paul Davis <paul@linuxaudiosystems.com>
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
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#ifndef __ardour_meterbridge_h__
#define __ardour_meterbridge_h__
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#include <glibmm/thread.h>
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#include <gtkmm/box.h>
#include <gtkmm/scrolledwindow.h>
#include <gtkmm/label.h>
#include <gtkmm/window.h>
#include "ardour/ardour.h"
#include "ardour/types.h"
#include "ardour/session_handle.h"
#include "pbd/stateful.h"
#include "pbd/signals.h"
#include "gtkmm2ext/visibility_tracker.h"
#include "meter_strip.h"
class Meterbridge :
public Gtk::Window,
public PBD::ScopedConnectionList,
public ARDOUR::SessionHandlePtr,
public Gtkmm2ext::VisibilityTracker
{
public:
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static Meterbridge* instance();
~Meterbridge();
void set_session (ARDOUR::Session *);
XMLNode& get_state () const;
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int set_state (const XMLNode& );
void show_window ();
bool hide_window (GdkEventAny *ev);
private:
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Meterbridge ();
static Meterbridge* _instance;
bool _visible;
bool _show_busses;
bool _show_master;
bool _show_midi;
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Gtk::ScrolledWindow scroller;
Gtk::HBox meterarea;
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Gtk::HBox global_hpacker;
Gtk::VBox global_vpacker;
gint start_updating ();
gint stop_updating ();
sigc::connection fast_screen_update_connection;
void fast_update_strips ();
void add_strips (ARDOUR::RouteList&);
void remove_strip (MeterStrip *);
void session_going_away ();
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void sync_order_keys ();
void resync_order (PBD::PropertyChange what_changed = ARDOUR::Properties::order);
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mutable Glib::Threads::Mutex _resync_mutex;
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struct MeterBridgeStrip {
MeterStrip *s;
bool visible;
MeterBridgeStrip(MeterStrip *ss) {
s = ss;
visible = true;
}
};
struct MeterOrderRouteSorter
{
bool operator() (struct MeterBridgeStrip ma, struct MeterBridgeStrip mb) {
boost::shared_ptr<ARDOUR::Route> a = ma.s->route();
boost::shared_ptr<ARDOUR::Route> b = mb.s->route();
if (a->is_master() || a->is_monitor()) {
/* "a" is a special route (master, monitor, etc), and comes
* last in the mixer ordering
*/
return false;
} else if (b->is_master() || b->is_monitor()) {
/* everything comes before b */
return true;
}
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return ARDOUR::Stripable::Sorter (true) (a, b);
}
};
std::list<MeterBridgeStrip> strips;
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MeterStrip metrics_left;
MeterStrip metrics_right;
std::vector<MeterStrip *> _metrics;
Gtk::VBox metrics_vpacker_left;
Gtk::VBox metrics_vpacker_right;
Gtk::HBox metrics_spacer_left;
Gtk::HBox metrics_spacer_right;
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static const int32_t default_width = 600;
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static const int32_t default_height = 400;
static const int max_height = 1200; // == 1024 + 148 + 16 + 12 see meter_strip.cc
int cur_max_width;
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void update_title ();
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// for restoring window geometry.
mutable int m_root_x, m_root_y, m_width, m_height;
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void set_window_pos_and_size ();
bool on_key_press_event (GdkEventKey*);
bool on_key_release_event (GdkEventKey*);
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bool on_scroll_event (GdkEventScroll*);
void scroll_left ();
void scroll_right ();
void on_size_allocate (Gtk::Allocation&);
void on_size_request (Gtk::Requisition*);
void parameter_changed (std::string const & p);
void on_theme_changed ();
void on_scroll ();
sigc::connection scroll_connection;
int _mm_left, _mm_right;
ARDOUR::MeterType _mt_left, _mt_right;
bool on_configure_event (GdkEventConfigure* conf);
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};
#endif