13
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livetrax/gtk2_ardour/meterbridge.cc
Robin Gareus 50a1eb04a5 limit meterbridge window height to multiples of 16px
(workaround to bad resizing performance, realloc drawing areas)
2013-07-10 15:27:17 +02:00

693 lines
16 KiB
C++

/*
Copyright (C) 2012 Paul Davis
Author: Robin Gareus
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.
*/
#ifdef WAF_BUILD
#include "gtk2ardour-config.h"
#endif
#include <map>
#include <sigc++/bind.h>
#include <gtkmm/accelmap.h>
#include <glibmm/threads.h>
#include <gtkmm2ext/gtk_ui.h>
#include <gtkmm2ext/utils.h>
#include <gtkmm2ext/window_title.h>
#include "ardour/debug.h"
#include "ardour/midi_track.h"
#include "ardour/route_group.h"
#include "ardour/session.h"
#include "ardour/audio_track.h"
#include "ardour/midi_track.h"
#include "meterbridge.h"
#include "keyboard.h"
#include "monitor_section.h"
#include "public_editor.h"
#include "ardour_ui.h"
#include "utils.h"
#include "route_sorter.h"
#include "actions.h"
#include "gui_thread.h"
#include "global_signals.h"
#include "meter_patterns.h"
#include "i18n.h"
using namespace ARDOUR;
using namespace PBD;
using namespace Gtk;
using namespace Glib;
using namespace Gtkmm2ext;
using namespace std;
using PBD::atoi;
Meterbridge* Meterbridge::_instance = 0;
Meterbridge*
Meterbridge::instance ()
{
if (!_instance) {
_instance = new Meterbridge;
}
return _instance;
}
/* copy from gtk2_ardour/mixer_ui.cc -- TODO consolidate
* used by Meterbridge::set_session() below
*/
struct SignalOrderRouteSorter {
bool operator() (boost::shared_ptr<Route> a, boost::shared_ptr<Route> b) {
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;
}
return a->order_key (MixerSort) < b->order_key (MixerSort);
}
};
Meterbridge::Meterbridge ()
: Window (Gtk::WINDOW_TOPLEVEL)
, VisibilityTracker (*((Gtk::Window*) this))
, _visible (false)
, _show_busses (false)
, metrics_left (1)
, metrics_right (2)
, cur_max_width (-1)
{
set_name ("Meter Bridge");
m_width = default_width;
m_height = default_height;
m_root_x = 1;
m_root_y = 1;
update_title ();
set_wmclass (X_("ardour_mixer"), PROGRAM_NAME);
Gdk::Geometry geom;
geom.max_width = 1<<16;
geom.max_height = max_height;
geom.height_inc = 16;
geom.width_inc = 1;
set_geometry_hints(*((Gtk::Window*) this), geom, Gdk::HINT_MAX_SIZE | Gdk::HINT_RESIZE_INC);
set_keep_above (true);
set_border_width (0);
metrics_vpacker_left.pack_start (metrics_left, true, true);
metrics_vpacker_left.pack_start (metrics_spacer_left, false, false);
metrics_spacer_left.set_size_request(-1, 0);
metrics_spacer_left.set_spacing(0);
metrics_vpacker_right.pack_start (metrics_right, true, true);
metrics_vpacker_right.pack_start (metrics_spacer_right, false, false);
metrics_spacer_right.set_size_request(-1, 0);
metrics_spacer_right.set_spacing(0);
signal_delete_event().connect (sigc::mem_fun (*this, &Meterbridge::hide_window));
signal_configure_event().connect (sigc::mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::configure_handler));
Route::SyncOrderKeys.connect (*this, invalidator (*this), boost::bind (&Meterbridge::sync_order_keys, this, _1), gui_context());
MeterStrip::CatchDeletion.connect (*this, invalidator (*this), boost::bind (&Meterbridge::remove_strip, this, _1), gui_context());
MeterStrip::MetricChanged.connect_same_thread (*this, boost::bind(&Meterbridge::update_metrics, this));
/* work around ScrolledWindowViewport alignment mess Part one */
Gtk::HBox * yspc = manage (new Gtk::HBox());
yspc->set_size_request(-1, 1);
Gtk::VBox * xspc = manage (new Gtk::VBox());
xspc->pack_start(meterarea, true, true);
xspc->pack_start(*yspc, false, false);
yspc->show();
xspc->show();
meterarea.set_spacing(0);
scroller.set_shadow_type(Gtk::SHADOW_NONE);
scroller.set_border_width(0);
scroller.add (*xspc);
scroller.set_policy (Gtk::POLICY_AUTOMATIC, Gtk::POLICY_NEVER);
global_hpacker.pack_start (metrics_vpacker_left, false, false);
global_hpacker.pack_start (scroller, true, true);
global_hpacker.pack_start (metrics_vpacker_right, false, false);
global_vpacker.pack_start (global_hpacker, true, true);
add (global_vpacker);
metrics_left.show();
metrics_right.show();
metrics_vpacker_left.show();
metrics_spacer_left.show();
metrics_vpacker_right.show();
metrics_spacer_right.show();
meterarea.show();
global_vpacker.show();
global_hpacker.show();
scroller.show();
/* the return of the ScrolledWindowViewport mess:
* remove shadow from scrollWindow's viewport
* see http://www.mail-archive.com/gtkmm-list@gnome.org/msg03509.html
*/
Gtk::Viewport* viewport = (Gtk::Viewport*) scroller.get_child();
viewport->set_shadow_type(Gtk::SHADOW_NONE);
viewport->set_border_width(0);
UI::instance()->theme_changed.connect (sigc::mem_fun(*this, &Meterbridge::on_theme_changed));
ColorsChanged.connect (sigc::mem_fun (*this, &Meterbridge::on_theme_changed));
DPIReset.connect (sigc::mem_fun (*this, &Meterbridge::on_theme_changed));
}
Meterbridge::~Meterbridge ()
{
}
void
Meterbridge::show_window ()
{
present();
if (!_visible) {
set_window_pos_and_size ();
}
_visible = true;
}
/* code duplicated from gtk2_ardour/mixer_ui.cc Mixer_UI::update_title() */
void
Meterbridge::update_title ()
{
if (_session) {
string n;
if (_session->snap_name() != _session->name()) {
n = _session->snap_name ();
} else {
n = _session->name ();
}
if (_session->dirty ()) {
n = "*" + n;
}
WindowTitle title (n);
title += S_("Window|Meterbridge");
title += Glib::get_application_name ();
set_title (title.get_string());
} else {
WindowTitle title (S_("Window|Meterbridge"));
title += Glib::get_application_name ();
set_title (title.get_string());
}
}
void
Meterbridge::set_window_pos_and_size ()
{
resize (m_width, m_height);
if (m_root_x >= 0 && m_root_y >= 0) {
move (m_root_x, m_root_y);
}
}
void
Meterbridge::get_window_pos_and_size ()
{
get_position(m_root_x, m_root_y);
get_size(m_width, m_height);
}
bool
Meterbridge::hide_window (GdkEventAny *ev)
{
if (!_visible) return 0;
get_window_pos_and_size();
_visible = false;
return just_hide_it(ev, static_cast<Gtk::Window *>(this));
}
bool
Meterbridge::on_key_press_event (GdkEventKey* ev)
{
if (gtk_window_propagate_key_event (GTK_WINDOW(gobj()), ev)) {
return true;
}
return forward_key_press (ev);
}
bool
Meterbridge::on_key_release_event (GdkEventKey* ev)
{
if (gtk_window_propagate_key_event (GTK_WINDOW(gobj()), ev)) {
return true;
}
/* don't forward releases */
return true;
}
bool
Meterbridge::on_scroll_event (GdkEventScroll* ev)
{
switch (ev->direction) {
case GDK_SCROLL_LEFT:
scroll_left ();
return true;
case GDK_SCROLL_UP:
if (ev->state & Keyboard::TertiaryModifier) {
scroll_left ();
return true;
}
return false;
case GDK_SCROLL_RIGHT:
scroll_right ();
return true;
case GDK_SCROLL_DOWN:
if (ev->state & Keyboard::TertiaryModifier) {
scroll_right ();
return true;
}
return false;
}
return false;
}
void
Meterbridge::scroll_left ()
{
Adjustment* adj = scroller.get_hscrollbar()->get_adjustment();
/* stupid GTK: can't rely on clamping across versions */
scroller.get_hscrollbar()->set_value (max (adj->get_lower(), adj->get_value() - adj->get_step_increment()));
}
void
Meterbridge::scroll_right ()
{
Adjustment* adj = scroller.get_hscrollbar()->get_adjustment();
/* stupid GTK: can't rely on clamping across versions */
scroller.get_hscrollbar()->set_value (min (adj->get_upper(), adj->get_value() + adj->get_step_increment()));
}
void
Meterbridge::on_size_request (Gtk::Requisition* r)
{
Gtk::Window::on_size_request(r);
Gdk::Geometry geom;
geom.max_width = meterarea.get_width() + metrics_left.get_width() + metrics_right.get_width();
geom.max_height = max_height;
if (cur_max_width != geom.max_width) {
cur_max_width = geom.max_width;
geom.height_inc = 16;
geom.width_inc = 1;
set_geometry_hints(*((Gtk::Window*) this), geom, Gdk::HINT_MAX_SIZE | Gdk::HINT_RESIZE_INC);
}
}
void
Meterbridge::on_size_allocate (Gtk::Allocation& a)
{
const Gtk::Scrollbar * hsc = scroller.get_hscrollbar();
if (scroller.get_hscrollbar_visible() && hsc) {
gint scrollbar_spacing;
gtk_widget_style_get (GTK_WIDGET (scroller.gobj()),
"scrollbar-spacing", &scrollbar_spacing, NULL);
const int h = hsc->get_height() + scrollbar_spacing + 1;
metrics_spacer_left.set_size_request(-1, h);
metrics_spacer_right.set_size_request(-1, h);
} else {
metrics_spacer_left.set_size_request(-1, 0);
metrics_spacer_right.set_size_request(-1, 0);
}
Gtk::Window::on_size_allocate(a);
}
void
Meterbridge::set_session (Session* s)
{
SessionHandlePtr::set_session (s);
if (!_session) {
return;
}
metrics_left.set_session(s);
metrics_right.set_session(s);
XMLNode* node = _session->instant_xml(X_("Meterbridge"));
if (node) {
set_state (*node);
}
update_title ();
_show_busses = _session->config.get_show_busses_on_meterbridge();
_show_master = _session->config.get_show_master_on_meterbridge();
_show_midi = _session->config.get_show_midi_on_meterbridge();
SignalOrderRouteSorter sorter;
boost::shared_ptr<RouteList> routes = _session->get_routes();
RouteList copy(*routes);
copy.sort(sorter);
add_strips(copy);
_session->RouteAdded.connect (_session_connections, invalidator (*this), boost::bind (&Meterbridge::add_strips, this, _1), gui_context());
_session->DirtyChanged.connect (_session_connections, invalidator (*this), boost::bind (&Meterbridge::update_title, this), gui_context());
_session->StateSaved.connect (_session_connections, invalidator (*this), boost::bind (&Meterbridge::update_title, this), gui_context());
_session->config.ParameterChanged.connect (*this, invalidator (*this), ui_bind (&Meterbridge::parameter_changed, this, _1), gui_context());
Config->ParameterChanged.connect (*this, invalidator (*this), ui_bind (&Meterbridge::parameter_changed, this, _1), gui_context());
if (_visible) {
show_window();
ActionManager::check_toggleaction ("<Actions>/Common/toggle-meterbridge");
}
start_updating ();
}
void
Meterbridge::session_going_away ()
{
ENSURE_GUI_THREAD (*this, &Meterbridge::session_going_away);
for (list<MeterBridgeStrip>::iterator i = strips.begin(); i != strips.end(); ++i) {
delete ((*i).s);
}
strips.clear ();
stop_updating ();
SessionHandlePtr::session_going_away ();
_session = 0;
update_title ();
}
int
Meterbridge::set_state (const XMLNode& node)
{
const XMLProperty* prop;
XMLNode* geometry;
m_width = default_width;
m_height = default_height;
m_root_x = 1;
m_root_y = 1;
if ((geometry = find_named_node (node, "geometry")) != 0) {
XMLProperty* prop;
if ((prop = geometry->property("x_size")) == 0) {
prop = geometry->property ("x-size");
}
if (prop) {
m_width = atoi(prop->value());
}
if ((prop = geometry->property("y_size")) == 0) {
prop = geometry->property ("y-size");
}
if (prop) {
m_height = atoi(prop->value());
}
if ((prop = geometry->property ("x_pos")) == 0) {
prop = geometry->property ("x-pos");
}
if (prop) {
m_root_x = atoi (prop->value());
}
if ((prop = geometry->property ("y_pos")) == 0) {
prop = geometry->property ("y-pos");
}
if (prop) {
m_root_y = atoi (prop->value());
}
}
set_window_pos_and_size ();
if ((prop = node.property ("show-meterbridge"))) {
if (string_is_affirmative (prop->value())) {
_visible = true;
}
}
return 0;
}
XMLNode&
Meterbridge::get_state (void)
{
char buf[32];
XMLNode* node = new XMLNode ("Meterbridge");
if (is_realized() && _visible) {
get_window_pos_and_size ();
}
XMLNode* geometry = new XMLNode ("geometry");
snprintf(buf, sizeof(buf), "%d", m_width);
geometry->add_property(X_("x_size"), string(buf));
snprintf(buf, sizeof(buf), "%d", m_height);
geometry->add_property(X_("y_size"), string(buf));
snprintf(buf, sizeof(buf), "%d", m_root_x);
geometry->add_property(X_("x_pos"), string(buf));
snprintf(buf, sizeof(buf), "%d", m_root_y);
geometry->add_property(X_("y_pos"), string(buf));
node->add_child_nocopy (*geometry);
node->add_property ("show-meterbridge", _visible ? "yes" : "no");
return *node;
}
gint
Meterbridge::start_updating ()
{
fast_screen_update_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect (sigc::mem_fun(*this, &Meterbridge::fast_update_strips));
return 0;
}
gint
Meterbridge::stop_updating ()
{
fast_screen_update_connection.disconnect();
return 0;
}
void
Meterbridge::fast_update_strips ()
{
if (!is_mapped () || !_session) {
return;
}
for (list<MeterBridgeStrip>::iterator i = strips.begin(); i != strips.end(); ++i) {
if (!(*i).visible) continue;
(*i).s->fast_update ();
}
}
void
Meterbridge::add_strips (RouteList& routes)
{
MeterStrip* strip;
for (RouteList::iterator x = routes.begin(); x != routes.end(); ++x) {
boost::shared_ptr<Route> route = (*x);
if (route->is_auditioner()) {
continue;
}
if (route->is_monitor()) {
continue;
}
strip = new MeterStrip (_session, route);
strips.push_back (MeterBridgeStrip(strip));
route->active_changed.connect (*this, invalidator (*this), boost::bind (&Meterbridge::resync_order, this), gui_context ());
meterarea.pack_start (*strip, false, false);
strip->show();
}
resync_order();
update_metrics();
}
void
Meterbridge::remove_strip (MeterStrip* strip)
{
if (_session && _session->deletion_in_progress()) {
return;
}
list<MeterBridgeStrip>::iterator i;
for (list<MeterBridgeStrip>::iterator i = strips.begin(); i != strips.end(); ++i) {
if ( (*i).s == strip) {
strips.erase (i);
break;
}
}
update_metrics();
}
void
Meterbridge::update_metrics ()
{
bool have_midi = false;
for (list<MeterBridgeStrip>::iterator i = strips.begin(); i != strips.end(); ++i) {
if ( (*i).s->has_midi() && (*i).visible) {
have_midi = true;
break;
}
}
if (have_midi) {
metrics_right.set_metric_mode(2);
} else {
metrics_right.set_metric_mode(3);
}
}
void
Meterbridge::sync_order_keys (RouteSortOrderKey src)
{
Glib::Threads::Mutex::Lock lm (_resync_mutex);
MeterOrderRouteSorter sorter;
strips.sort(sorter);
int pos = 0;
int vis = 0;
for (list<MeterBridgeStrip>::iterator i = strips.begin(); i != strips.end(); ++i) {
if (! (*i).s->route()->active()) {
(*i).s->hide();
(*i).visible = false;
}
else if ((*i).s->route()->is_master()) {
if (_show_master) {
(*i).s->show();
(*i).visible = true;
vis++;
} else {
(*i).s->hide();
(*i).visible = false;
}
}
else if (boost::dynamic_pointer_cast<AudioTrack>((*i).s->route()) == 0
&& boost::dynamic_pointer_cast<MidiTrack>((*i).s->route()) == 0
) {
/* non-master bus */
if (_show_busses) {
(*i).s->show();
(*i).visible = true;
vis++;
} else {
(*i).s->hide();
(*i).visible = false;
}
}
else if (boost::dynamic_pointer_cast<MidiTrack>((*i).s->route())) {
if (_show_midi) {
(*i).s->show();
(*i).visible = true;
vis++;
} else {
(*i).s->hide();
(*i).visible = false;
}
}
else {
(*i).s->show();
(*i).visible = true;
vis++;
}
(*i).s->set_pos(vis);
meterarea.reorder_child(*((*i).s), pos++);
}
}
void
Meterbridge::resync_order()
{
sync_order_keys(MixerSort);
}
void
Meterbridge::parameter_changed (std::string const & p)
{
if (p == "show-busses-on-meterbridge") {
_show_busses = _session->config.get_show_busses_on_meterbridge();
resync_order();
update_metrics();
}
else if (p == "show-master-on-meterbridge") {
_show_master = _session->config.get_show_master_on_meterbridge();
resync_order();
update_metrics();
}
else if (p == "show-midi-on-meterbridge") {
_show_midi = _session->config.get_show_midi_on_meterbridge();
resync_order();
update_metrics();
}
else if (p == "meter-line-up-level") {
meter_clear_pattern_cache();
update_metrics();
}
else if (p == "show-rec-on-meterbridge") {
scroller.queue_resize();
}
else if (p == "show-mute-on-meterbridge") {
scroller.queue_resize();
}
else if (p == "show-solo-on-meterbridge") {
scroller.queue_resize();
}
else if (p == "show-name-on-meterbridge") {
scroller.queue_resize();
}
}
void
Meterbridge::on_theme_changed ()
{
meter_clear_pattern_cache();
}