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livetrax/gtk2_ardour/panner_ui.cc
Carl Hetherington 195c735181 Implement reset() in panners, and use it from the GUI (fixes #4196). 
git-svn-id: svn://localhost/ardour2/branches/3.0@10282 d708f5d6-7413-0410-9779-e7cbd77b26cf
2011-10-22 16:19:27 +00:00

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/*
Copyright (C) 2004 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 <limits.h>
#include "ardour/io.h"
#include "ardour/dB.h"
#include <gtkmm2ext/utils.h>
#include <gtkmm2ext/barcontroller.h>
#include "midi++/manager.h"
#include "pbd/fastlog.h"
#include "ardour_ui.h"
#include "panner_ui.h"
#include "panner2d.h"
#include "utils.h"
#include "gui_thread.h"
#include "stereo_panner.h"
#include "mono_panner.h"
#include "ardour/delivery.h"
#include "ardour/session.h"
#include "ardour/panner.h"
#include "ardour/pannable.h"
#include "ardour/panner_shell.h"
#include "ardour/route.h"
#include "i18n.h"
using namespace std;
using namespace ARDOUR;
using namespace PBD;
using namespace Gtkmm2ext;
using namespace Gtk;
const int PannerUI::pan_bar_height = 35;
PannerUI::PannerUI (Session* s)
: _current_nouts (-1)
, _current_nins (-1)
, pan_automation_style_button ("")
, pan_automation_state_button ("")
{
set_session (s);
ignore_toggle = false;
pan_menu = 0;
pan_astate_menu = 0;
pan_astyle_menu = 0;
in_pan_update = false;
_stereo_panner = 0;
_ignore_width_change = false;
_ignore_position_change = false;
pan_automation_style_button.set_name ("MixerAutomationModeButton");
pan_automation_state_button.set_name ("MixerAutomationPlaybackButton");
ARDOUR_UI::instance()->set_tip (pan_automation_state_button, _("Pan automation mode"));
ARDOUR_UI::instance()->set_tip (pan_automation_style_button, _("Pan automation type"));
//set_size_request_to_display_given_text (pan_automation_state_button, X_("O"), 2, 2);
//set_size_request_to_display_given_text (pan_automation_style_button, X_("0"), 2, 2);
pan_automation_style_button.unset_flags (Gtk::CAN_FOCUS);
pan_automation_state_button.unset_flags (Gtk::CAN_FOCUS);
pan_automation_style_button.signal_button_press_event().connect (sigc::mem_fun(*this, &PannerUI::pan_automation_style_button_event), false);
pan_automation_state_button.signal_button_press_event().connect (sigc::mem_fun(*this, &PannerUI::pan_automation_state_button_event), false);
pan_vbox.set_spacing (2);
pack_start (pan_vbox, true, true);
twod_panner = 0;
big_window = 0;
set_width(Narrow);
}
void
PannerUI::set_panner (boost::shared_ptr<PannerShell> ps, boost::shared_ptr<Panner> p)
{
/* note that the panshell might not change here (i.e. ps == _panshell)
*/
connections.drop_connections ();
delete pan_astyle_menu;
pan_astyle_menu = 0;
delete pan_astate_menu;
pan_astate_menu = 0;
_panshell = ps;
_panner = p;
delete twod_panner;
twod_panner = 0;
delete _stereo_panner;
_stereo_panner = 0;
if (!_panner) {
return;
}
_panshell->Changed.connect (connections, invalidator (*this), boost::bind (&PannerUI::panshell_changed, this), gui_context());
/* new panner object, force complete reset of panner GUI
*/
_current_nouts = 0;
_current_nins = 0;
setup_pan ();
update_pan_sensitive ();
pan_automation_state_changed ();
}
void
PannerUI::build_astate_menu ()
{
using namespace Menu_Helpers;
if (pan_astate_menu == 0) {
pan_astate_menu = new Menu;
pan_astate_menu->set_name ("ArdourContextMenu");
} else {
pan_astate_menu->items().clear ();
}
pan_astate_menu->items().push_back (MenuElem (_("Manual"), sigc::bind (
sigc::mem_fun (_panner.get(), &Panner::set_automation_state),
(AutoState) Off)));
pan_astate_menu->items().push_back (MenuElem (_("Play"), sigc::bind (
sigc::mem_fun (_panner.get(), &Panner::set_automation_state),
(AutoState) Play)));
pan_astate_menu->items().push_back (MenuElem (_("Write"), sigc::bind (
sigc::mem_fun (_panner.get(), &Panner::set_automation_state),
(AutoState) Write)));
pan_astate_menu->items().push_back (MenuElem (_("Touch"), sigc::bind (
sigc::mem_fun (_panner.get(), &Panner::set_automation_state),
(AutoState) Touch)));
}
void
PannerUI::build_astyle_menu ()
{
using namespace Menu_Helpers;
if (pan_astyle_menu == 0) {
pan_astyle_menu = new Menu;
pan_astyle_menu->set_name ("ArdourContextMenu");
} else {
pan_astyle_menu->items().clear();
}
pan_astyle_menu->items().push_back (MenuElem (_("Trim")));
pan_astyle_menu->items().push_back (MenuElem (_("Abs")));
}
boost::shared_ptr<PBD::Controllable>
PannerUI::get_controllable()
{
assert (!pan_bars.empty());
return pan_bars[0]->get_controllable();
}
void
PannerUI::on_size_allocate (Allocation& a)
{
HBox::on_size_allocate (a);
}
void
PannerUI::set_width (Width w)
{
_width = w;
}
PannerUI::~PannerUI ()
{
for (vector<MonoPanner*>::iterator i = pan_bars.begin(); i != pan_bars.end(); ++i) {
delete (*i);
}
delete twod_panner;
delete big_window;
delete pan_menu;
delete pan_astyle_menu;
delete pan_astate_menu;
delete _stereo_panner;
}
void
PannerUI::panshell_changed ()
{
set_panner (_panshell, _panshell->panner());
setup_pan ();
}
void
PannerUI::setup_pan ()
{
if (!_panner) {
return;
}
uint32_t const nouts = _panner->out().n_audio();
uint32_t const nins = _panner->in().n_audio();
if (int32_t (nouts) == _current_nouts && int32_t (nins) == _current_nins) {
return;
}
_current_nins = nins;
_current_nouts = nouts;
container_clear (pan_vbox);
delete twod_panner;
twod_panner = 0;
delete _stereo_panner;
_stereo_panner = 0;
if (nouts == 0 || nouts == 1) {
delete _stereo_panner;
delete twod_panner;
/* stick something into the panning viewport so that it redraws */
EventBox* eb = manage (new EventBox());
pan_vbox.pack_start (*eb, false, false);
} else if (nouts == 2) {
if (nins == 2) {
/* add integrated 2in/2out panner GUI */
boost::shared_ptr<Pannable> pannable = _panner->pannable();
_stereo_panner = new StereoPanner (_panner);
_stereo_panner->set_size_request (-1, pan_bar_height);
pan_vbox.pack_start (*_stereo_panner, false, false);
boost::shared_ptr<AutomationControl> ac;
ac = pannable->pan_azimuth_control;
_stereo_panner->StartPositionGesture.connect (sigc::bind (sigc::mem_fun (*this, &PannerUI::start_touch),
boost::weak_ptr<AutomationControl> (ac)));
_stereo_panner->StopPositionGesture.connect (sigc::bind (sigc::mem_fun (*this, &PannerUI::stop_touch),
boost::weak_ptr<AutomationControl>(ac)));
ac = pannable->pan_width_control;
_stereo_panner->StartWidthGesture.connect (sigc::bind (sigc::mem_fun (*this, &PannerUI::start_touch),
boost::weak_ptr<AutomationControl> (ac)));
_stereo_panner->StopWidthGesture.connect (sigc::bind (sigc::mem_fun (*this, &PannerUI::stop_touch),
boost::weak_ptr<AutomationControl>(ac)));
_stereo_panner->signal_button_release_event().connect (sigc::mem_fun(*this, &PannerUI::pan_button_event));
} else if (nins == 1) {
/* 1-in/2out */
MonoPanner* mp;
boost::shared_ptr<Pannable> pannable = _panner->pannable();
boost::shared_ptr<AutomationControl> ac = pannable->pan_azimuth_control;
mp = new MonoPanner (_panner);
mp->StartGesture.connect (sigc::bind (sigc::mem_fun (*this, &PannerUI::start_touch),
boost::weak_ptr<AutomationControl> (ac)));
mp->StopGesture.connect (sigc::bind (sigc::mem_fun (*this, &PannerUI::stop_touch),
boost::weak_ptr<AutomationControl>(ac)));
mp->signal_button_release_event().connect (sigc::mem_fun(*this, &PannerUI::pan_button_event));
mp->set_size_request (-1, pan_bar_height);
update_pan_sensitive ();
pan_vbox.pack_start (*mp, false, false);
} else {
warning << string_compose (_("No panner user interface is currently available for %1-in/2out tracks/busses"),
nins) << endmsg;
}
} else {
if (!twod_panner) {
twod_panner = new Panner2d (_panshell, 61);
twod_panner->set_name ("MixerPanZone");
twod_panner->show ();
twod_panner->signal_button_press_event().connect (sigc::mem_fun(*this, &PannerUI::pan_button_event), false);
}
update_pan_sensitive ();
twod_panner->reset (nins);
if (big_window) {
big_window->reset (nins);
}
twod_panner->set_size_request (-1, 61);
/* and finally, add it to the panner frame */
pan_vbox.pack_start (*twod_panner, false, false);
}
pan_vbox.show_all ();
}
void
PannerUI::start_touch (boost::weak_ptr<AutomationControl> wac)
{
boost::shared_ptr<AutomationControl> ac = wac.lock();
if (!ac) {
return;
}
ac->start_touch (ac->session().transport_frame());
}
void
PannerUI::stop_touch (boost::weak_ptr<AutomationControl> wac)
{
boost::shared_ptr<AutomationControl> ac = wac.lock();
if (!ac) {
return;
}
ac->stop_touch (false, ac->session().transport_frame());
}
bool
PannerUI::pan_button_event (GdkEventButton* ev)
{
switch (ev->button) {
case 1:
if (twod_panner && ev->type == GDK_2BUTTON_PRESS) {
if (!big_window) {
big_window = new Panner2dWindow (_panshell, 400, _panner->in().n_audio());
}
big_window->show ();
return true;
}
break;
case 3:
if (pan_menu == 0) {
pan_menu = manage (new Menu);
pan_menu->set_name ("ArdourContextMenu");
}
build_pan_menu ();
pan_menu->popup (1, ev->time);
return true;
break;
default:
return false;
}
return false; // what's wrong with gcc?
}
void
PannerUI::build_pan_menu ()
{
using namespace Menu_Helpers;
MenuList& items (pan_menu->items());
items.clear ();
items.push_back (CheckMenuElem (_("Bypass"), sigc::mem_fun(*this, &PannerUI::pan_bypass_toggle)));
bypass_menu_item = static_cast<CheckMenuItem*> (&items.back());
/* set state first, connect second */
bypass_menu_item->set_active (_panshell->bypassed());
bypass_menu_item->signal_toggled().connect (sigc::mem_fun(*this, &PannerUI::pan_bypass_toggle));
items.push_back (MenuElem (_("Reset"), sigc::mem_fun (*this, &PannerUI::pan_reset)));
}
void
PannerUI::pan_bypass_toggle ()
{
if (bypass_menu_item && (_panshell->bypassed() != bypass_menu_item->get_active())) {
_panshell->set_bypassed (!_panshell->bypassed());
}
}
void
PannerUI::pan_reset ()
{
_panner->reset ();
}
void
PannerUI::effective_pan_display ()
{
if (_stereo_panner) {
_stereo_panner->queue_draw ();
} else if (twod_panner) {
twod_panner->queue_draw ();
} else {
for (vector<MonoPanner*>::iterator i = pan_bars.begin(); i != pan_bars.end(); ++i) {
(*i)->queue_draw ();
}
}
}
void
PannerUI::update_pan_sensitive ()
{
bool const sensitive = !(_panner->pannable()->automation_state() & Play);
pan_vbox.set_sensitive (sensitive);
if (big_window) {
big_window->set_sensitive (sensitive);
}
}
gint
PannerUI::pan_automation_state_button_event (GdkEventButton *ev)
{
using namespace Menu_Helpers;
if (ev->type == GDK_BUTTON_RELEASE) {
return TRUE;
}
switch (ev->button) {
case 1:
if (pan_astate_menu == 0) {
build_astate_menu ();
}
pan_astate_menu->popup (1, ev->time);
break;
default:
break;
}
return TRUE;
}
gint
PannerUI::pan_automation_style_button_event (GdkEventButton *ev)
{
if (ev->type == GDK_BUTTON_RELEASE) {
return TRUE;
}
switch (ev->button) {
case 1:
if (pan_astyle_menu == 0) {
build_astyle_menu ();
}
pan_astyle_menu->popup (1, ev->time);
break;
default:
break;
}
return TRUE;
}
void
PannerUI::pan_automation_style_changed ()
{
ENSURE_GUI_THREAD (*this, &PannerUI::pan_automation_style_changed)
switch (_width) {
case Wide:
pan_automation_style_button.set_label (astyle_string(_panner->automation_style()));
break;
case Narrow:
pan_automation_style_button.set_label (short_astyle_string(_panner->automation_style()));
break;
}
}
void
PannerUI::pan_automation_state_changed ()
{
boost::shared_ptr<Pannable> pannable (_panner->pannable());
switch (_width) {
case Wide:
pan_automation_state_button.set_label (astate_string(pannable->automation_state()));
break;
case Narrow:
pan_automation_state_button.set_label (short_astate_string(pannable->automation_state()));
break;
}
bool x = (pannable->automation_state() != Off);
if (pan_automation_state_button.get_active() != x) {
ignore_toggle = true;
pan_automation_state_button.set_active (x);
ignore_toggle = false;
}
update_pan_sensitive ();
/* start watching automation so that things move */
pan_watching.disconnect();
if (x) {
pan_watching = ARDOUR_UI::RapidScreenUpdate.connect (sigc::mem_fun (*this, &PannerUI::effective_pan_display));
}
}
string
PannerUI::astate_string (AutoState state)
{
return _astate_string (state, false);
}
string
PannerUI::short_astate_string (AutoState state)
{
return _astate_string (state, true);
}
string
PannerUI::_astate_string (AutoState state, bool shrt)
{
string sstr;
switch (state) {
case Off:
sstr = (shrt ? "M" : _("M"));
break;
case Play:
sstr = (shrt ? "P" : _("P"));
break;
case Touch:
sstr = (shrt ? "T" : _("T"));
break;
case Write:
sstr = (shrt ? "W" : _("W"));
break;
}
return sstr;
}
string
PannerUI::astyle_string (AutoStyle style)
{
return _astyle_string (style, false);
}
string
PannerUI::short_astyle_string (AutoStyle style)
{
return _astyle_string (style, true);
}
string
PannerUI::_astyle_string (AutoStyle style, bool shrt)
{
if (style & Trim) {
return _("Trim");
} else {
/* XXX it might different in different languages */
return (shrt ? _("Abs") : _("Abs"));
}
}
void
PannerUI::show_width ()
{
}
void
PannerUI::width_adjusted ()
{
}
void
PannerUI::show_position ()
{
}
void
PannerUI::position_adjusted ()
{
}
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