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livetrax/gtk2_ardour/ardour_ui2.cc

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/*
Copyright (C) 1999 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 <fcntl.h>
#include <signal.h>
#include <unistd.h>
#include <cerrno>
#include <iostream>
#include <cmath>
#include <sigc++/bind.h>
#include <pbd/error.h>
#include <pbd/basename.h>
#include <pbd/fastlog.h>
#include <gtkmm2ext/utils.h>
#include <gtkmm2ext/click_box.h>
#include <gtkmm2ext/tearoff.h>
#include <ardour/audioengine.h>
#include <ardour/ardour.h>
#include <ardour/profile.h>
#include <ardour/route.h>
#include "ardour_ui.h"
#include "keyboard.h"
#include "public_editor.h"
#include "audio_clock.h"
#include "actions.h"
#include "utils.h"
#include "color_manager.h"
#include "i18n.h"
using namespace std;
using namespace ARDOUR;
using namespace PBD;
using namespace Gtkmm2ext;
using namespace Gtk;
using namespace Glib;
using namespace sigc;
int
ARDOUR_UI::setup_windows ()
{
if (create_editor ()) {
error << _("UI: cannot setup editor") << endmsg;
return -1;
}
if (create_mixer ()) {
error << _("UI: cannot setup mixer") << endmsg;
return -1;
}
/* all other dialogs are created conditionally */
we_have_dependents ();
setup_clock ();
setup_transport();
build_menu_bar ();
color_manager->signal_unmap().connect (bind (sigc::ptr_fun(&ActionManager::uncheck_toggleaction), X_("<Actions>/Common/ToggleColorManager")));
top_packer.pack_start (menu_bar_base, false, false);
top_packer.pack_start (transport_frame, false, false);
editor->add_toplevel_controls (top_packer);
return 0;
}
void
ARDOUR_UI::transport_stopped ()
{
stop_button.set_visual_state (1);
roll_button.set_visual_state (0);
play_selection_button.set_visual_state (0);
auto_loop_button.set_visual_state (0);
shuttle_fract = 0;
shuttle_box.queue_draw ();
update_disk_space ();
}
void
ARDOUR_UI::transport_rolling ()
{
stop_button.set_visual_state (0);
if (session->get_play_range()) {
play_selection_button.set_visual_state (1);
roll_button.set_visual_state (0);
auto_loop_button.set_visual_state (0);
} else if (session->get_play_loop ()) {
auto_loop_button.set_visual_state (1);
play_selection_button.set_visual_state (0);
roll_button.set_visual_state (0);
} else {
roll_button.set_visual_state (1);
play_selection_button.set_visual_state (0);
auto_loop_button.set_visual_state (0);
}
/* reset shuttle controller */
shuttle_fract = SHUTTLE_FRACT_SPEED1; /* speed = 1.0, believe it or not */
shuttle_box.queue_draw ();
}
void
ARDOUR_UI::transport_rewinding ()
{
stop_button.set_visual_state (0);
roll_button.set_visual_state (1);
play_selection_button.set_visual_state (0);
auto_loop_button.set_visual_state (0);
}
void
ARDOUR_UI::transport_forwarding ()
{
stop_button.set_visual_state (0);
roll_button.set_visual_state (1);
play_selection_button.set_visual_state (0);
auto_loop_button.set_visual_state (0);
}
void
ARDOUR_UI::setup_transport ()
{
transport_tearoff = manage (new TearOff (transport_tearoff_hbox));
transport_tearoff->set_name ("TransportBase");
transport_hbox.pack_start (*transport_tearoff, true, false);
transport_base.set_name ("TransportBase");
transport_base.add (transport_hbox);
transport_frame.set_shadow_type (SHADOW_OUT);
transport_frame.set_name ("BaseFrame");
transport_frame.add (transport_base);
transport_tearoff->Detach.connect (bind (mem_fun(*this, &ARDOUR_UI::detach_tearoff), static_cast<Box*>(&top_packer),
static_cast<Widget*>(&transport_frame)));
transport_tearoff->Attach.connect (bind (mem_fun(*this, &ARDOUR_UI::reattach_tearoff), static_cast<Box*> (&top_packer),
static_cast<Widget*> (&transport_frame), 1));
transport_tearoff->Hidden.connect (bind (mem_fun(*this, &ARDOUR_UI::detach_tearoff), static_cast<Box*>(&top_packer),
static_cast<Widget*>(&transport_frame)));
transport_tearoff->Visible.connect (bind (mem_fun(*this, &ARDOUR_UI::reattach_tearoff), static_cast<Box*> (&top_packer),
static_cast<Widget*> (&transport_frame), 1));
shuttle_box.set_name ("TransportButton");
goto_start_button.set_name ("TransportButton");
goto_end_button.set_name ("TransportButton");
roll_button.set_name ("TransportButton");
stop_button.set_name ("TransportButton");
play_selection_button.set_name ("TransportButton");
rec_button.set_name ("TransportRecButton");
auto_loop_button.set_name ("TransportButton");
auto_return_button.set_name ("TransportButton");
auto_play_button.set_name ("TransportButton");
auto_input_button.set_name ("TransportButton");
punch_in_button.set_name ("TransportButton");
punch_out_button.set_name ("TransportButton");
click_button.set_name ("TransportButton");
time_master_button.set_name ("TransportButton");
stop_button.set_size_request(29, -1);
roll_button.set_size_request(29, -1);
auto_loop_button.set_size_request(29, -1);
play_selection_button.set_size_request(29, -1);
goto_start_button.set_size_request(29, -1);
goto_end_button.set_size_request(29, -1);
rec_button.set_size_request(29, -1);
Widget* w;
stop_button.set_visual_state (1);
w = manage (new Image (get_icon (X_("transport_start"))));
w->show();
goto_start_button.add (*w);
w = manage (new Image (get_icon (X_("transport_end"))));
w->show();
goto_end_button.add (*w);
w = manage (new Image (get_icon (X_("transport_play"))));
w->show();
roll_button.add (*w);
w = manage (new Image (get_icon (X_("transport_stop"))));
w->show();
stop_button.add (*w);
w = manage (new Image (get_icon (X_("transport_range"))));
w->show();
play_selection_button.add (*w);
w = manage (new Image (get_icon (X_("transport_record"))));
w->show();
rec_button.add (*w);
w = manage (new Image (get_icon (X_("transport_loop"))));
w->show();
auto_loop_button.add (*w);
RefPtr<Action> act;
act = ActionManager::get_action (X_("Transport"), X_("Stop"));
act->connect_proxy (stop_button);
act = ActionManager::get_action (X_("Transport"), X_("Roll"));
act->connect_proxy (roll_button);
act = ActionManager::get_action (X_("Transport"), X_("Record"));
act->connect_proxy (rec_button);
act = ActionManager::get_action (X_("Transport"), X_("GotoStart"));
act->connect_proxy (goto_start_button);
act = ActionManager::get_action (X_("Transport"), X_("GotoEnd"));
act->connect_proxy (goto_end_button);
act = ActionManager::get_action (X_("Transport"), X_("Loop"));
act->connect_proxy (auto_loop_button);
act = ActionManager::get_action (X_("Transport"), X_("PlaySelection"));
act->connect_proxy (play_selection_button);
act = ActionManager::get_action (X_("Transport"), X_("ToggleTimeMaster"));
act->connect_proxy (time_master_button);
ARDOUR_UI::instance()->tooltips().set_tip (roll_button, _("Play from playhead"));
ARDOUR_UI::instance()->tooltips().set_tip (stop_button, _("Stop playback"));
ARDOUR_UI::instance()->tooltips().set_tip (play_selection_button, _("Play range/selection"));
ARDOUR_UI::instance()->tooltips().set_tip (goto_start_button, _("Go to start of session"));
ARDOUR_UI::instance()->tooltips().set_tip (goto_end_button, _("Go to end of session"));
ARDOUR_UI::instance()->tooltips().set_tip (auto_loop_button, _("Play loop range"));
ARDOUR_UI::instance()->tooltips().set_tip (auto_return_button, _("Return to last playback start when stopped"));
ARDOUR_UI::instance()->tooltips().set_tip (auto_play_button, _("Start playback after any locate"));
ARDOUR_UI::instance()->tooltips().set_tip (auto_input_button, _("Be sensible about input monitoring"));
ARDOUR_UI::instance()->tooltips().set_tip (punch_in_button, _("Start recording at auto-punch start"));
ARDOUR_UI::instance()->tooltips().set_tip (punch_out_button, _("Stop recording at auto-punch end"));
ARDOUR_UI::instance()->tooltips().set_tip (click_button, _("Enable/Disable audio click"));
ARDOUR_UI::instance()->tooltips().set_tip (sync_option_combo, _("Positional sync source"));
ARDOUR_UI::instance()->tooltips().set_tip (time_master_button, _("Does Ardour control the time?"));
ARDOUR_UI::instance()->tooltips().set_tip (shuttle_box, _("Shuttle speed control"));
ARDOUR_UI::instance()->tooltips().set_tip (shuttle_units_button, _("Select semitones or %%-age for speed display"));
ARDOUR_UI::instance()->tooltips().set_tip (speed_display_box, _("Current transport speed"));
shuttle_box.set_flags (CAN_FOCUS);
shuttle_box.add_events (Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::BUTTON_PRESS_MASK|Gdk::POINTER_MOTION_MASK|Gdk::SCROLL_MASK);
shuttle_box.set_size_request (100, 15);
shuttle_box.signal_button_press_event().connect (mem_fun(*this, &ARDOUR_UI::shuttle_box_button_press));
shuttle_box.signal_button_release_event().connect (mem_fun(*this, &ARDOUR_UI::shuttle_box_button_release));
shuttle_box.signal_scroll_event().connect (mem_fun(*this, &ARDOUR_UI::shuttle_box_scroll));
shuttle_box.signal_motion_notify_event().connect (mem_fun(*this, &ARDOUR_UI::shuttle_box_motion));
shuttle_box.signal_expose_event().connect (mem_fun(*this, &ARDOUR_UI::shuttle_box_expose));
/* clocks, etc. */
ARDOUR_UI::Clock.connect (bind (mem_fun (primary_clock, &AudioClock::set), false));
ARDOUR_UI::Clock.connect (bind (mem_fun (secondary_clock, &AudioClock::set), false));
primary_clock.ValueChanged.connect (mem_fun(*this, &ARDOUR_UI::primary_clock_value_changed));
secondary_clock.ValueChanged.connect (mem_fun(*this, &ARDOUR_UI::secondary_clock_value_changed));
ARDOUR_UI::instance()->tooltips().set_tip (primary_clock, _("Primary clock"));
ARDOUR_UI::instance()->tooltips().set_tip (secondary_clock, _("secondary clock"));
ActionManager::get_action ("Transport", "ToggleAutoReturn")->connect_proxy (auto_return_button);
ActionManager::get_action ("Transport", "ToggleAutoPlay")->connect_proxy (auto_play_button);
ActionManager::get_action ("Transport", "ToggleAutoInput")->connect_proxy (auto_input_button);
ActionManager::get_action ("Transport", "ToggleClick")->connect_proxy (click_button);
ActionManager::get_action ("Transport", "TogglePunchIn")->connect_proxy (punch_in_button);
ActionManager::get_action ("Transport", "TogglePunchOut")->connect_proxy (punch_out_button);
preroll_button.set_name ("TransportButton");
postroll_button.set_name ("TransportButton");
preroll_clock.set_mode (AudioClock::MinSec);
preroll_clock.set_name ("TransportClockDisplay");
postroll_clock.set_mode (AudioClock::MinSec);
postroll_clock.set_name ("TransportClockDisplay");
/* alerts */
/* CANNOT bind these to clicked or toggled, must use pressed or released */
solo_alert_button.set_name ("TransportSoloAlert");
solo_alert_button.signal_pressed().connect (mem_fun(*this,&ARDOUR_UI::solo_alert_toggle));
auditioning_alert_button.set_name ("TransportAuditioningAlert");
auditioning_alert_button.signal_pressed().connect (mem_fun(*this,&ARDOUR_UI::audition_alert_toggle));
tooltips().set_tip (solo_alert_button, _("When active, something is soloed.\nClick to de-solo everything"));
tooltips().set_tip (auditioning_alert_button, _("When active, auditioning is taking place\nClick to stop the audition"));
alert_box.pack_start (solo_alert_button, false, false);
alert_box.pack_start (auditioning_alert_button, false, false);
transport_tearoff_hbox.set_border_width (3);
transport_tearoff_hbox.pack_start (goto_start_button, false, false);
transport_tearoff_hbox.pack_start (goto_end_button, false, false);
Frame* sframe = manage (new Frame);
VBox* svbox = manage (new VBox);
HBox* shbox = manage (new HBox);
sframe->set_shadow_type (SHADOW_IN);
sframe->add (shuttle_box);
shuttle_box.set_name (X_("ShuttleControl"));
speed_display_box.add (speed_display_label);
speed_display_box.set_name (X_("ShuttleDisplay"));
shuttle_units_button.set_name (X_("ShuttleButton"));
shuttle_units_button.signal_clicked().connect (mem_fun(*this, &ARDOUR_UI::shuttle_unit_clicked));
shuttle_style_button.set_name (X_("ShuttleButton"));
vector<string> shuttle_strings;
shuttle_strings.push_back (_("sprung"));
shuttle_strings.push_back (_("wheel"));
set_popdown_strings (shuttle_style_button, shuttle_strings);
shuttle_style_button.signal_changed().connect (mem_fun (*this, &ARDOUR_UI::shuttle_style_changed));
Frame* sdframe = manage (new Frame);
sdframe->set_shadow_type (SHADOW_IN);
sdframe->add (speed_display_box);
mtc_port_changed ();
sync_option_combo.signal_changed().connect (mem_fun (*this, &ARDOUR_UI::sync_option_changed));
const guint32 FUDGE = 25; // Combo's are stupid - they steal space from the entry for the button
set_size_request_to_display_given_text (sync_option_combo, X_("Igternal"), 2+FUDGE, 10);
shbox->pack_start (*sdframe, false, false);
shbox->pack_start (shuttle_units_button, true, true);
shbox->pack_start (shuttle_style_button, false, false);
svbox->pack_start (*sframe, false, false);
svbox->pack_start (*shbox, false, false);
transport_tearoff_hbox.pack_start (*svbox, false, false, 3);
transport_tearoff_hbox.pack_start (auto_loop_button, false, false);
transport_tearoff_hbox.pack_start (play_selection_button, false, false);
transport_tearoff_hbox.pack_start (roll_button, false, false);
transport_tearoff_hbox.pack_start (stop_button, false, false);
transport_tearoff_hbox.pack_start (rec_button, false, false, 6);
HBox* clock_box = manage (new HBox);
clock_box->pack_start (primary_clock, false, false);
if (!ARDOUR::Profile->get_small_screen()) {
clock_box->pack_start (secondary_clock, false, false);
}
VBox* time_controls_box = manage (new VBox);
time_controls_box->pack_start (sync_option_combo, false, false);
time_controls_box->pack_start (time_master_button, false, false);
clock_box->pack_start (*time_controls_box, false, false, 1);
transport_tearoff_hbox.pack_start (*clock_box, false, false, 0);
HBox* toggle_box = manage(new HBox);
VBox* punch_box = manage (new VBox);
punch_box->pack_start (punch_in_button, false, false);
punch_box->pack_start (punch_out_button, false, false);
toggle_box->pack_start (*punch_box, false, false);
VBox* auto_box = manage (new VBox);
auto_box->pack_start (auto_play_button, false, false);
auto_box->pack_start (auto_return_button, false, false);
toggle_box->pack_start (*auto_box, false, false);
VBox* io_box = manage (new VBox);
io_box->pack_start (auto_input_button, false, false);
io_box->pack_start (click_button, false, false);
toggle_box->pack_start (*io_box, false, false);
/* desensitize */
set_transport_sensitivity (false);
// toggle_box->pack_start (preroll_button, false, false);
// toggle_box->pack_start (preroll_clock, false, false);
// toggle_box->pack_start (postroll_button, false, false);
// toggle_box->pack_start (postroll_clock, false, false);
transport_tearoff_hbox.pack_start (*toggle_box, false, false, 4);
transport_tearoff_hbox.pack_start (alert_box, false, false);
}
void
ARDOUR_UI::manage_window (Window& win)
{
win.signal_delete_event().connect (bind (sigc::ptr_fun (just_hide_it), &win));
win.signal_enter_notify_event().connect (bind (mem_fun (Keyboard::the_keyboard(), &Keyboard::enter_window), &win));
win.signal_leave_notify_event().connect (bind (mem_fun (Keyboard::the_keyboard(), &Keyboard::leave_window), &win));
}
void
ARDOUR_UI::detach_tearoff (Box* b, Widget* w)
{
// editor->ensure_float (transport_tearoff->tearoff_window());
b->remove (*w);
}
void
ARDOUR_UI::reattach_tearoff (Box* b, Widget* w, int32_t n)
{
b->pack_start (*w);
b->reorder_child (*w, n);
}
void
ARDOUR_UI::soloing_changed (bool onoff)
{
if (solo_alert_button.get_active() != onoff) {
solo_alert_button.set_active (onoff);
}
}
void
ARDOUR_UI::_auditioning_changed (bool onoff)
{
if (auditioning_alert_button.get_active() != onoff) {
auditioning_alert_button.set_active (onoff);
set_transport_sensitivity (!onoff);
}
}
void
ARDOUR_UI::auditioning_changed (bool onoff)
{
UI::instance()->call_slot(bind (mem_fun(*this, &ARDOUR_UI::_auditioning_changed), onoff));
}
void
ARDOUR_UI::audition_alert_toggle ()
{
if (session) {
session->cancel_audition();
}
}
void
ARDOUR_UI::solo_alert_toggle ()
{
if (session) {
session->set_all_solo (!session->soloing());
}
}
void
ARDOUR_UI::solo_blink (bool onoff)
{
if (session == 0) {
return;
}
if (session->soloing()) {
if (onoff) {
solo_alert_button.set_state (STATE_ACTIVE);
} else {
solo_alert_button.set_state (STATE_NORMAL);
}
} else {
solo_alert_button.set_active (false);
solo_alert_button.set_state (STATE_NORMAL);
}
}
void
ARDOUR_UI::audition_blink (bool onoff)
{
if (session == 0) {
return;
}
if (session->is_auditioning()) {
if (onoff) {
auditioning_alert_button.set_state (STATE_ACTIVE);
} else {
auditioning_alert_button.set_state (STATE_NORMAL);
}
} else {
auditioning_alert_button.set_active (false);
auditioning_alert_button.set_state (STATE_NORMAL);
}
}
void
ARDOUR_UI::build_shuttle_context_menu ()
{
using namespace Menu_Helpers;
shuttle_context_menu = new Menu();
MenuList& items = shuttle_context_menu->items();
Menu* speed_menu = manage (new Menu());
MenuList& speed_items = speed_menu->items();
RadioMenuItem::Group group;
speed_items.push_back (RadioMenuElem (group, "8", bind (mem_fun (*this, &ARDOUR_UI::set_shuttle_max_speed), 8.0f)));
if (shuttle_max_speed == 8.0) {
static_cast<RadioMenuItem*>(&speed_items.back())->set_active ();
}
speed_items.push_back (RadioMenuElem (group, "6", bind (mem_fun (*this, &ARDOUR_UI::set_shuttle_max_speed), 6.0f)));
if (shuttle_max_speed == 6.0) {
static_cast<RadioMenuItem*>(&speed_items.back())->set_active ();
}
speed_items.push_back (RadioMenuElem (group, "4", bind (mem_fun (*this, &ARDOUR_UI::set_shuttle_max_speed), 4.0f)));
if (shuttle_max_speed == 4.0) {
static_cast<RadioMenuItem*>(&speed_items.back())->set_active ();
}
speed_items.push_back (RadioMenuElem (group, "3", bind (mem_fun (*this, &ARDOUR_UI::set_shuttle_max_speed), 3.0f)));
if (shuttle_max_speed == 3.0) {
static_cast<RadioMenuItem*>(&speed_items.back())->set_active ();
}
speed_items.push_back (RadioMenuElem (group, "2", bind (mem_fun (*this, &ARDOUR_UI::set_shuttle_max_speed), 2.0f)));
if (shuttle_max_speed == 2.0) {
static_cast<RadioMenuItem*>(&speed_items.back())->set_active ();
}
speed_items.push_back (RadioMenuElem (group, "1.5", bind (mem_fun (*this, &ARDOUR_UI::set_shuttle_max_speed), 1.5f)));
if (shuttle_max_speed == 1.5) {
static_cast<RadioMenuItem*>(&speed_items.back())->set_active ();
}
items.push_back (MenuElem (_("Maximum speed"), *speed_menu));
}
void
ARDOUR_UI::show_shuttle_context_menu ()
{
if (shuttle_context_menu == 0) {
build_shuttle_context_menu ();
}
shuttle_context_menu->popup (1, gtk_get_current_event_time());
}
void
ARDOUR_UI::set_shuttle_max_speed (float speed)
{
shuttle_max_speed = speed;
}
gint
ARDOUR_UI::shuttle_box_button_press (GdkEventButton* ev)
{
if (!session) {
return true;
}
if (shuttle_controller_binding_proxy.button_press_handler (ev)) {
return true;
}
if (Keyboard::is_context_menu_event (ev)) {
show_shuttle_context_menu ();
return true;
}
switch (ev->button) {
case 1:
shuttle_box.add_modal_grab ();
shuttle_grabbed = true;
mouse_shuttle (ev->x, true);
break;
case 2:
case 3:
return true;
break;
}
return true;
}
gint
ARDOUR_UI::shuttle_box_button_release (GdkEventButton* ev)
{
if (!session) {
return true;
}
switch (ev->button) {
case 1:
mouse_shuttle (ev->x, true);
shuttle_grabbed = false;
shuttle_box.remove_modal_grab ();
if (Config->get_shuttle_behaviour() == Sprung) {
if (Config->get_auto_play() || roll_button.get_state()) {
shuttle_fract = SHUTTLE_FRACT_SPEED1;
session->request_transport_speed (1.0);
stop_button.set_visual_state (0);
roll_button.set_visual_state (1);
} else {
shuttle_fract = 0;
session->request_transport_speed (0.0);
}
shuttle_box.queue_draw ();
}
return true;
case 2:
if (session->transport_rolling()) {
shuttle_fract = SHUTTLE_FRACT_SPEED1;
session->request_transport_speed (1.0);
stop_button.set_visual_state (0);
roll_button.set_visual_state (1);
} else {
shuttle_fract = 0;
}
shuttle_box.queue_draw ();
return true;
case 3:
default:
return true;
}
use_shuttle_fract (true);
return true;
}
gint
ARDOUR_UI::shuttle_box_scroll (GdkEventScroll* ev)
{
if (!session) {
return true;
}
switch (ev->direction) {
case GDK_SCROLL_UP:
shuttle_fract += 0.005;
break;
case GDK_SCROLL_DOWN:
shuttle_fract -= 0.005;
break;
default:
/* scroll left/right */
return false;
}
use_shuttle_fract (true);
return true;
}
gint
ARDOUR_UI::shuttle_box_motion (GdkEventMotion* ev)
{
if (!session || !shuttle_grabbed) {
return true;
}
return mouse_shuttle (ev->x, false);
}
gint
ARDOUR_UI::mouse_shuttle (double x, bool force)
{
double half_width = shuttle_box.get_width() / 2.0;
double distance = x - half_width;
if (distance > 0) {
distance = min (distance, half_width);
} else {
distance = max (distance, -half_width);
}
shuttle_fract = distance / half_width;
use_shuttle_fract (force);
return true;
}
void
ARDOUR_UI::set_shuttle_fract (double f)
{
shuttle_fract = f;
use_shuttle_fract (false);
}
void
ARDOUR_UI::use_shuttle_fract (bool force)
{
struct timeval now;
struct timeval diff;
/* do not attempt to submit a motion-driven transport speed request
more than once per process cycle.
*/
gettimeofday (&now, 0);
timersub (&now, &last_shuttle_request, &diff);
if (!force && (diff.tv_usec + (diff.tv_sec * 1000000)) < engine->usecs_per_cycle()) {
return;
}
last_shuttle_request = now;
bool neg = (shuttle_fract < 0.0);
double fract = 1 - sqrt (1 - (shuttle_fract * shuttle_fract)); // Formula A1
if (neg) {
fract = -fract;
}
session->request_transport_speed (shuttle_max_speed * fract); // Formula A2
shuttle_box.queue_draw ();
}
gint
ARDOUR_UI::shuttle_box_expose (GdkEventExpose* event)
{
gint x;
Glib::RefPtr<Gdk::Window> win (shuttle_box.get_window());
/* redraw the background */
win->draw_rectangle (shuttle_box.get_style()->get_bg_gc (shuttle_box.get_state()),
true,
event->area.x, event->area.y,
event->area.width, event->area.height);
x = (gint) floor ((shuttle_box.get_width() / 2.0) + (0.5 * (shuttle_box.get_width() * shuttle_fract)));
/* draw line */
win->draw_line (shuttle_box.get_style()->get_fg_gc (shuttle_box.get_state()),
x,
0,
x,
shuttle_box.get_height());
return true;
}
void
ARDOUR_UI::shuttle_unit_clicked ()
{
if (shuttle_unit_menu == 0) {
shuttle_unit_menu = dynamic_cast<Menu*> (ActionManager::get_widget ("/ShuttleUnitPopup"));
}
shuttle_unit_menu->popup (1, gtk_get_current_event_time());
}
void
ARDOUR_UI::shuttle_style_changed ()
{
ustring str = shuttle_style_button.get_active_text ();
if (str == _("sprung")) {
Config->set_shuttle_behaviour (Sprung);
} else if (str == _("wheel")) {
Config->set_shuttle_behaviour (Wheel);
}
}
void
ARDOUR_UI::update_speed_display ()
{
if (!session) {
if (last_speed_displayed != 0) {
speed_display_label.set_text (_("stop"));
last_speed_displayed = 0;
}
return;
}
char buf[32];
float x = session->transport_speed ();
if (x != last_speed_displayed) {
if (x != 0) {
if (Config->get_shuttle_units() == Percentage) {
snprintf (buf, sizeof (buf), "%.2f", x);
} else {
if (x < 0) {
snprintf (buf, sizeof (buf), "< %.1f", 12.0 * fast_log2 (-x));
} else {
snprintf (buf, sizeof (buf), "> %.1f", 12.0 * fast_log2 (x));
}
}
speed_display_label.set_text (buf);
} else {
speed_display_label.set_text (_("stop"));
}
last_speed_displayed = x;
}
}
void
ARDOUR_UI::set_transport_sensitivity (bool yn)
{
ActionManager::set_sensitive (ActionManager::transport_sensitive_actions, yn);
shuttle_box.set_sensitive (yn);
}
void
ARDOUR_UI::editor_realized ()
{
Config->map_parameters (mem_fun (*this, &ARDOUR_UI::parameter_changed));
set_size_request_to_display_given_text (speed_display_box, _("-0.55"), 2, 2);
const guint32 FUDGE = 25; // Combo's are stupid - they steal space from the entry for the button
set_size_request_to_display_given_text (shuttle_style_button, _("sprung"), 2+FUDGE, 10);
}
void
ARDOUR_UI::sync_option_changed ()
{
if (session) {
session->request_slave_source (string_to_slave_source (sync_option_combo.get_active_text()));
}
}
void
ARDOUR_UI::maximise_editing_space ()
{
if (!editor) {
return;
}
transport_tearoff->set_visible (false);
editor->maximise_editing_space ();
}
void
ARDOUR_UI::restore_editing_space ()
{
if (!editor) {
return;
}
transport_tearoff->set_visible (true);
editor->restore_editing_space ();
}
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