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livetrax/gtk2_ardour/panner_ui.cc
Sampo Savolainen 99281692de Fixed crash with plugin automation but no panners.
git-svn-id: svn://localhost/trunk/ardour2@328 d708f5d6-7413-0410-9779-e7cbd77b26cf
2006-02-14 20:33:49 +00:00

647 lines
15 KiB
C++

/*
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.
$Id$
*/
#include <limits.h>
#include <ardour/io.h>
#include <ardour/dB.h>
#include <gtkmm2ext/utils.h>
#include <gtkmm2ext/stop_signal.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 <ardour/session.h>
#include <ardour/route.h>
#include <ardour/panner.h>
#include "i18n.h"
using namespace ARDOUR;
using namespace Gtkmm2ext;
using namespace Gtk;
using namespace sigc;
/* XPM */
static const gchar * forwdblarrow_xpm[] = {
"20 11 3 1",
" c None",
". c #000000",
"+ c #FFFFFF",
" .. ",
" .+. ",
" .++. ",
" ..............+++. ",
" .+++++++++++++++++.",
" ...................",
" .+++++++++++++++++.",
" ..............+++. ",
" .++. ",
" .+. ",
" .. "};
/* XPM */
static const gchar * revdblarrow_xpm[] = {
"20 11 3 1",
" c None",
". c #000000",
"+ c #FFFFFF",
" .. ",
" .+. ",
" .++. ",
" ..............+++. ",
" .+++++++++++++++++.",
" ...................",
" .+++++++++++++++++.",
" .+++..............",
" .++. ",
" .+. ",
" .. "};
PannerUI::PannerUI (IO& io, Session& s)
: _io (io),
_session (s),
hAdjustment(0.0, 0.0, 0.0),
vAdjustment(0.0, 0.0, 0.0),
panning_viewport(hAdjustment, vAdjustment),
panning_up_arrow (Gtk::ARROW_UP, Gtk::SHADOW_OUT),
panning_down_arrow (Gtk::ARROW_DOWN, Gtk::SHADOW_OUT),
panning_link_button (_("link"))
{
ignore_toggle = false;
pan_menu = 0;
in_pan_update = false;
pan_bar_packer.set_size_request (-1, 61);
panning_viewport.set_size_request (61, 61);
panning_viewport.set_name (X_("BaseFrame"));
ARDOUR_UI::instance()->tooltips().set_tip (panning_link_button,
_("panning link control"));
ARDOUR_UI::instance()->tooltips().set_tip (panning_link_direction_button,
_("panning link direction"));
panning_link_box.pack_start (panning_link_button, true, true);
panning_link_box.pack_start (panning_link_direction_button, true, true);
panning_link_button.set_name (X_("PanningLinkButton"));
panning_link_direction_button.set_name (X_("PanningLinkDirectionButton"));
/* the pixmap will be reset at some point, but the key thing is that
we need a pixmap in the button just to get started.
*/
panning_link_direction_button.add (*(manage (new Image (Gdk::Pixbuf::create_from_xpm_data(forwdblarrow_xpm)))));
panning_link_direction_button.signal_clicked().connect
(mem_fun(*this, &PannerUI::panning_link_direction_clicked));
panning_link_button.signal_button_press_event().connect
(mem_fun(*this, &PannerUI::panning_link_button_press));
panning_link_button.signal_button_release_event().connect
(mem_fun(*this, &PannerUI::panning_link_button_release));
panning_up.set_border_width (3);
panning_down.set_border_width (3);
panning_up.add (panning_up_arrow);
panning_down.add (panning_down_arrow);
panning_up.set_name (X_("PanScrollerBase"));
panning_down.set_name (X_("PanScrollerBase"));
panning_up_arrow.set_name (X_("PanScrollerArrow"));
panning_down_arrow.set_name (X_("PanScrollerArrow"));
pan_vbox.set_spacing (4);
pan_vbox.pack_start (panning_viewport, Gtk::PACK_SHRINK);
pan_vbox.pack_start (panning_link_box, Gtk::PACK_SHRINK);
pack_start (pan_vbox, true, false);
panner = 0;
_io.panner().Changed.connect (mem_fun(*this, &PannerUI::panner_changed));
_io.panner().LinkStateChanged.connect (mem_fun(*this, &PannerUI::update_pan_linkage));
_io.panner().StateChanged.connect (mem_fun(*this, &PannerUI::update_pan_state));
pan_changed (0);
update_pan_sensitive ();
update_pan_linkage ();
}
gint
PannerUI::panning_link_button_press (GdkEventButton* ev)
{
return stop_signal (panning_link_button, "button-press-event");
}
gint
PannerUI::panning_link_button_release (GdkEventButton* ev)
{
if (!ignore_toggle) {
_io.panner().set_linked (!_io.panner().linked());
}
return TRUE;
}
void
PannerUI::panning_link_direction_clicked()
{
switch (_io.panner().link_direction()) {
case Panner::SameDirection:
_io.panner().set_link_direction (Panner::OppositeDirection);
break;
default:
_io.panner().set_link_direction (Panner::SameDirection);
break;
}
}
void
PannerUI::update_pan_linkage ()
{
ENSURE_GUI_THREAD(mem_fun(*this, &PannerUI::update_pan_linkage));
bool x = _io.panner().linked();
bool bx = panning_link_button.get_active();
if (x != bx) {
ignore_toggle = true;
panning_link_button.set_active (x);
ignore_toggle = false;
}
panning_link_direction_button.set_sensitive (x);
switch (_io.panner().link_direction()) {
case Panner::SameDirection:
panning_link_direction_button.set_image (*(manage (new Image (Gdk::Pixbuf::create_from_xpm_data (forwdblarrow_xpm)))));
break;
default:
panning_link_direction_button.set_image (*(manage (new Image (Gdk::Pixbuf::create_from_xpm_data (revdblarrow_xpm)))));
break;
}
}
void
PannerUI::set_width (Width w)
{
switch (w) {
case Wide:
panning_viewport.set_size_request (61, 61);
if (panner) {
panner->set_size_request (61, 61);
}
for (vector<BarController*>::iterator i = pan_bars.begin(); i != pan_bars.end(); ++i) {
(*i)->set_size_request (61, 15);
}
static_cast<Gtk::Label*> (panning_link_button.get_child())->set_text (_("link"));
break;
case Narrow:
panning_viewport.set_size_request (31, 61);
if (panner) {
panner->set_size_request (31, 61);
}
for (vector<BarController*>::iterator i = pan_bars.begin(); i != pan_bars.end(); ++i) {
(*i)->set_size_request (31, 15);
}
static_cast<Gtk::Label*> (panning_link_button.get_child())->set_text (_("L"));
break;
}
_width = w;
}
PannerUI::~PannerUI ()
{
for (vector<Adjustment*>::iterator i = pan_adjustments.begin(); i != pan_adjustments.end(); ++i) {
delete (*i);
}
for (vector<BarController*>::iterator i = pan_bars.begin(); i != pan_bars.end(); ++i) {
delete (*i);
}
if (panner) {
delete panner;
}
if (pan_menu) {
delete pan_menu;
}
}
void
PannerUI::panner_changed ()
{
ENSURE_GUI_THREAD (mem_fun(*this, &PannerUI::panner_changed));
setup_pan ();
}
void
PannerUI::update_pan_state ()
{
/* currently nothing to do */
// ENSURE_GUI_THREAD (mem_fun(*this, &PannerUI::update_panner_state));
}
void
PannerUI::setup_pan ()
{
uint32_t nouts = _io.n_outputs ();
if (nouts == 0 || nouts == 1) {
while (!pan_adjustments.empty()) {
delete pan_bars.back();
pan_bars.pop_back ();
delete pan_adjustments.back();
pan_adjustments.pop_back ();
}
} else if (nouts == 2) {
vector<Adjustment*>::size_type asz;
uint32_t npans = _io.panner().size();
while (!pan_adjustments.empty()) {
delete pan_bars.back();
pan_bars.pop_back ();
delete pan_adjustments.back();
pan_adjustments.pop_back ();
}
while ((asz = pan_adjustments.size()) < npans) {
float x;
BarController* bc;
/* initialize adjustment with current value of panner */
_io.panner()[asz]->get_position (x);
pan_adjustments.push_back (new Adjustment (x, 0, 1.0, 0.05, 0.1));
pan_adjustments.back()->signal_value_changed().connect (bind (mem_fun(*this, &PannerUI::pan_adjustment_changed), (uint32_t) asz));
_io.panner()[asz]->Changed.connect (bind (mem_fun(*this, &PannerUI::pan_value_changed), (uint32_t) asz));
bc = new BarController (*pan_adjustments[asz],
&_io.panner()[asz]->midi_control(),
bind (mem_fun(*this, &PannerUI::pan_printer), pan_adjustments[asz]));
if (_session.midi_port()) {
_io.panner()[asz]->reset_midi_control (_session.midi_port(), true);
}
bc->set_name ("PanSlider");
bc->set_shadow_type (Gtk::SHADOW_NONE);
bc->set_style (BarController::Line);
bc->StartGesture.connect (bind (mem_fun (_io, &IO::start_pan_touch), (uint32_t) asz));
bc->StopGesture.connect (bind (mem_fun (_io, &IO::end_pan_touch), (uint32_t) asz));
char buf[64];
snprintf (buf, sizeof (buf), _("panner for channel %u"), asz + 1);
ARDOUR_UI::instance()->tooltips().set_tip (bc->event_widget(), buf);
bc->event_widget().signal_button_release_event().connect
(bind (mem_fun(*this, &PannerUI::pan_button_event), (uint32_t) asz));
pan_bars.push_back (bc);
switch (_width) {
case Wide:
pan_bars.back()->set_size_request (61, 15);
break;
case Narrow:
pan_bars.back()->set_size_request (31, 15);
break;
}
pan_bar_packer.pack_start (*pan_bars.back(), false, false);
}
/* now that we actually have the pan bars,
set their sensitivity based on current
automation state.
*/
update_pan_sensitive ();
panning_viewport.remove ();
panning_viewport.add (pan_bar_packer);
panning_viewport.show_all ();
} else {
int w = 0;
switch (_width) {
case Wide:
w = 61;
break;
case Narrow:
w = 31;
break;
}
if (panner == 0) {
panner = new Panner2d (_io.panner(), w, 61);
panner->set_name ("MixerPanZone");
panner->show ();
}
update_pan_sensitive ();
panner->reset (_io.n_inputs());
panner->set_size_request (w, 61);
/* and finally, add it to the panner frame */
panning_viewport.remove ();
panning_viewport.add (*panner);
panning_viewport.show_all ();
}
}
gint
PannerUI::pan_button_event (GdkEventButton* ev, uint32_t which)
{
switch (ev->button) {
case 3:
if (pan_menu == 0) {
pan_menu = manage (new Menu);
pan_menu->set_name ("ArdourContextMenu");
}
build_pan_menu (which);
pan_menu->popup (1, ev->time);
return TRUE;
break;
default:
return FALSE;
}
return FALSE; // what's wrong with gcc?
}
void
PannerUI::build_pan_menu (uint32_t which)
{
using namespace Menu_Helpers;
MenuList& items (pan_menu->items());
items.clear ();
items.push_back (CheckMenuElem (_("Mute")));
/* set state first, connect second */
(dynamic_cast<CheckMenuItem*> (&items.back()))->set_active (_io.panner()[which]->muted());
(dynamic_cast<CheckMenuItem*> (&items.back()))->signal_toggled().connect
(bind (mem_fun(*this, &PannerUI::pan_mute), which));
items.push_back (CheckMenuElem (_("Bypass"), 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 (_io.panner().bypassed());
bypass_menu_item->signal_toggled().connect (mem_fun(*this, &PannerUI::pan_bypass_toggle));
items.push_back (MenuElem (_("Reset"), mem_fun(*this, &PannerUI::pan_reset)));
items.push_back (SeparatorElem());
items.push_back (MenuElem (_("Reset all")));
}
void
PannerUI::pan_mute (uint32_t which)
{
StreamPanner* sp = _io.panner()[which];
sp->set_muted (!sp->muted());
}
void
PannerUI::pan_bypass_toggle ()
{
if (bypass_menu_item && (_io.panner().bypassed() != bypass_menu_item->get_active())) {
_io.panner().set_bypassed (!_io.panner().bypassed());
}
}
void
PannerUI::pan_reset ()
{
}
void
PannerUI::effective_pan_display ()
{
if (_io.panner().empty()) {
return;
}
switch (_io.n_outputs()) {
case 0:
case 1:
/* relax */
break;
case 2:
update_pan_bars (true);
break;
default:
//panner->move_puck (pan_value (v, right), 0.5);
break;
}
}
void
PannerUI::pan_changed (void *src)
{
if (src == this) {
return;
}
switch (_io.panner().size()) {
case 0:
panning_link_box.set_sensitive (false);
return;
case 1:
panning_link_box.set_sensitive (false);
break;
default:
panning_link_box.set_sensitive (true);
}
uint32_t nouts = _io.n_outputs();
switch (nouts) {
case 0:
case 1:
/* relax */
break;
case 2:
update_pan_bars (false);
break;
default:
// panner->move_puck (pan_value (pans[0], pans[1]), 0.5);
break;
}
}
void
PannerUI::pan_adjustment_changed (uint32_t which)
{
if (!in_pan_update && which < _io.panner().size()) {
float xpos;
float val = pan_adjustments[which]->get_value ();
_io.panner()[which]->get_position (xpos);
/* add a kinda-sorta detent for the middle */
if (val != 0.5 && Panner::equivalent (val, 0.5)) {
/* this is going to be reentrant, so just
return after it.
*/
in_pan_update = true;
pan_adjustments[which]->set_value (0.5);
in_pan_update = false;
return;
}
if (!Panner::equivalent (val, xpos)) {
_io.panner()[which]->set_position (val);
/* XXX
the panner objects have no access to the session,
so do this here. ick.
*/
_session.set_dirty();
}
}
}
void
PannerUI::pan_value_changed (uint32_t which)
{
ENSURE_GUI_THREAD (bind (mem_fun(*this, &PannerUI::pan_value_changed), which));
if (_io.n_outputs() > 1 && which < _io.panner().size()) {
float xpos;
float val = pan_adjustments[which]->get_value ();
_io.panner()[which]->get_position (xpos);
if (!Panner::equivalent (val, xpos)) {
in_pan_update = true;
pan_adjustments[which]->set_value (xpos);
in_pan_update = false;
}
}
}
void
PannerUI::update_pan_bars (bool only_if_aplay)
{
uint32_t n;
vector<Adjustment*>::iterator i;
in_pan_update = true;
/* this runs during automation playback, and moves the bar controllers
and/or pucks around.
*/
for (i = pan_adjustments.begin(), n = 0; i != pan_adjustments.end(); ++i, ++n) {
float xpos, val;
if (only_if_aplay) {
AutomationList& alist (_io.panner()[n]->automation());
if (!alist.automation_playback()) {
continue;
}
}
_io.panner()[n]->get_effective_position (xpos);
val = (*i)->get_value ();
if (!Panner::equivalent (val, xpos)) {
(*i)->set_value (xpos);
}
}
in_pan_update = false;
}
void
PannerUI::pan_printer (char *buf, uint32_t len, Adjustment* adj)
{
float val = adj->get_value();
if (val == 0.0f) {
snprintf (buf, len, X_("L"));
} else if (val == 1.0f) {
snprintf (buf, len, X_("R"));
} else if (Panner::equivalent (val, 0.5f)) {
snprintf (buf, len, X_("C"));
} else {
/* don't print anything */
buf[0] = '\0';
}
}
void
PannerUI::update_pan_sensitive ()
{
bool sensitive = !(_io.panner().automation_state() & Play);
switch (_io.n_outputs()) {
case 0:
case 1:
break;
case 2:
for (vector<BarController*>::iterator i = pan_bars.begin(); i != pan_bars.end(); ++i) {
(*i)->set_sensitive (sensitive);
}
break;
default:
if (panner) {
panner->set_sensitive (sensitive);
}
break;
}
}