/* 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. $Id$ */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "ardour_ui.h" #include "public_editor.h" #include "audio_clock.h" #include "extra_bind.h" #include "i18n.h" using namespace std; using namespace ARDOUR; using namespace Gtkmm2ext; using namespace Gtk; using namespace sigc; int ARDOUR_UI::setup_windows () { using namespace Menu_Helpers; if (create_editor ()) { error << _("UI: cannot setup editor") << endmsg; return -1; } if (create_mixer ()) { error << _("UI: cannot setup mixer") << endmsg; return -1; } if (create_meter_bridge ()) { error << _("UI: cannot setup meter_bridge") << endmsg; return -1; } /* all other dialogs are created conditionally */ we_have_dependents (); setup_clock (); setup_transport(); setup_adjustables (); build_menu_bar (); 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::setup_adjustables () { adjuster_table.set_homogeneous (true); online_control_strings.push_back (_("MMC + Local")); online_control_strings.push_back (_("MMC")); online_control_strings.push_back (_("Local")); online_control_button = new GlobalClickBox ("CONTROL", online_control_strings); online_control_button->adjustment.value_changed.connect(mem_fun(*this,&ARDOUR_UI::control_methods_adjusted)); mmc_id_strings.push_back ("1"); mmc_id_strings.push_back ("2"); mmc_id_strings.push_back ("3"); mmc_id_strings.push_back ("4"); mmc_id_strings.push_back ("5"); mmc_id_strings.push_back ("6"); mmc_id_strings.push_back ("7"); mmc_id_strings.push_back ("8"); mmc_id_strings.push_back ("9"); mmc_id_button = new GlobalClickBox (_("MMC ID"), mmc_id_strings); mmc_id_button->adjustment.value_changed.connect (mem_fun(*this,&ARDOUR_UI::mmc_device_id_adjusted)); adjuster_table.attach (*online_control_button, 0, 2, 1, 2, Gtk::FILL|Gtk::EXPAND, 0, 5, 5); adjuster_table.attach (*mmc_id_button, 2, 3, 1, 2, 0, 0, 5, 5); } #include "transport_xpms" void ARDOUR_UI::transport_stopped () { roll_button.set_active (false); play_selection_button.set_active (false); auto_loop_button.set_active (false); shuttle_fract = 0; shuttle_box.queue_draw (); update_disk_space (); } static const double SHUTTLE_FRACT_SPEED1=0.48412291827; /* derived from A1,A2 */ void ARDOUR_UI::transport_rolling () { if (session->get_play_range()) { play_selection_button.set_active (true); roll_button.set_active (false); auto_loop_button.set_active (false); } else if (session->get_auto_loop ()) { auto_loop_button.set_active (true); play_selection_button.set_active (false); roll_button.set_active (false); } else { roll_button.set_active (true); play_selection_button.set_active (false); auto_loop_button.set_active (false); } /* reset shuttle controller */ shuttle_fract = SHUTTLE_FRACT_SPEED1; /* speed = 1.0, believe it or not */ shuttle_box.queue_draw (); } void ARDOUR_UI::transport_rewinding () { roll_button.set_active (true); play_selection_button.set_active (false); auto_loop_button.set_active (false); } void ARDOUR_UI::transport_forwarding () { roll_button.set_active (true); play_selection_button.set_active (false); auto_loop_button.set_active (false); } 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 (Gtk::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(&top_packer), static_cast(&transport_frame))); transport_tearoff->Attach.connect (bind (mem_fun(*this, &ARDOUR_UI::reattach_tearoff), static_cast (&top_packer), static_cast (&transport_frame), 1)); goto_start_button.add (*(manage (new Gtk::Image (start_xpm)))); goto_end_button.add (*(manage (new Gtk::Image (end_xpm)))); roll_button.add (*(manage (new Gtk::Image (arrow_xpm)))); stop_button.add (*(manage (new Gtk::Image (stop_xpm)))); play_selection_button.add (*(manage (new Gtk::Image (play_selection_xpm)))); rec_button.add (*(manage (new Gtk::Image (rec_xpm)))); auto_loop_button.add (*(manage (new Gtk::Image (loop_xpm)))); 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 (follow_button, _("Enable/Disable follow playhead")); 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 (shuttle_style_button, _("Select sprung or wheel behaviour")); ARDOUR_UI::instance()->tooltips().set_tip (speed_display_box, _("Current transport speed")); shuttle_box.set_flags (Gtk::CAN_FOCUS); shuttle_box.set_events (shuttle_box.get_events() | GDK_ENTER_NOTIFY_MASK|GDK_LEAVE_NOTIFY_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::BUTTON_PRESS_MASK|Gdk::POINTER_MOTION_MASK); shuttle_box.set_size_request (100, 15); 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"); follow_button.set_name ("TransportButton"); goto_start_button.unset_flags (Gtk::CAN_FOCUS); goto_end_button.unset_flags (Gtk::CAN_FOCUS); roll_button.unset_flags (Gtk::CAN_FOCUS); stop_button.unset_flags (Gtk::CAN_FOCUS); play_selection_button.unset_flags (Gtk::CAN_FOCUS); rec_button.unset_flags (Gtk::CAN_FOCUS); auto_loop_button.unset_flags (Gtk::CAN_FOCUS); auto_return_button.unset_flags (Gtk::CAN_FOCUS); auto_play_button.unset_flags (Gtk::CAN_FOCUS); auto_input_button.unset_flags (Gtk::CAN_FOCUS); punch_out_button.unset_flags (Gtk::CAN_FOCUS); punch_in_button.unset_flags (Gtk::CAN_FOCUS); click_button.unset_flags (Gtk::CAN_FOCUS); follow_button.unset_flags (Gtk::CAN_FOCUS); goto_start_button.set_events (goto_start_button.get_events() & ~(GDK_ENTER_NOTIFY_MASK|GDK_LEAVE_NOTIFY_MASK)); goto_end_button.set_events (goto_end_button.get_events() & ~(GDK_ENTER_NOTIFY_MASK|GDK_LEAVE_NOTIFY_MASK)); roll_button.set_events (roll_button.get_events() & ~(GDK_ENTER_NOTIFY_MASK|GDK_LEAVE_NOTIFY_MASK)); stop_button.set_events (stop_button.get_events() & ~(GDK_ENTER_NOTIFY_MASK|GDK_LEAVE_NOTIFY_MASK)); play_selection_button.set_events (play_selection_button.get_events() & ~(GDK_ENTER_NOTIFY_MASK|GDK_LEAVE_NOTIFY_MASK)); rec_button.set_events (rec_button.get_events() & ~(GDK_ENTER_NOTIFY_MASK|GDK_LEAVE_NOTIFY_MASK)); auto_loop_button.set_events (auto_loop_button.get_events() & ~(GDK_ENTER_NOTIFY_MASK|GDK_LEAVE_NOTIFY_MASK)); auto_return_button.set_events (auto_return_button.get_events() & ~(GDK_ENTER_NOTIFY_MASK|GDK_LEAVE_NOTIFY_MASK)); auto_play_button.set_events (auto_play_button.get_events() & ~(GDK_ENTER_NOTIFY_MASK|GDK_LEAVE_NOTIFY_MASK)); auto_input_button.set_events (auto_input_button.get_events() & ~(GDK_ENTER_NOTIFY_MASK|GDK_LEAVE_NOTIFY_MASK)); click_button.set_events (click_button.get_events() & ~(GDK_ENTER_NOTIFY_MASK|GDK_LEAVE_NOTIFY_MASK)); follow_button.set_events (click_button.get_events() & ~(GDK_ENTER_NOTIFY_MASK|GDK_LEAVE_NOTIFY_MASK)); punch_in_button.set_events (punch_in_button.get_events() & ~(GDK_ENTER_NOTIFY_MASK|GDK_LEAVE_NOTIFY_MASK)); punch_out_button.set_events (punch_out_button.get_events() & ~(GDK_ENTER_NOTIFY_MASK|GDK_LEAVE_NOTIFY_MASK)); goto_start_button.signal_clicked().connect (mem_fun(*this,&ARDOUR_UI::transport_goto_start)); goto_end_button.signal_clicked().connect (mem_fun(*this,&ARDOUR_UI::transport_goto_end)); roll_button.button_release_event.connect (mem_fun(*this,&ARDOUR_UI::mouse_transport_roll)); play_selection_button.button_release_event.connect (mem_fun(*this,&ARDOUR_UI::mouse_transport_play_selection)); auto_loop_button.button_release_event.connect (mem_fun(*this,&ARDOUR_UI::mouse_transport_loop)); stop_button.button_release_event.connect (mem_fun(*this,&ARDOUR_UI::mouse_transport_stop)); rec_button.button_release_event.connect (mem_fun(*this,&ARDOUR_UI::mouse_transport_record)); shuttle_box.button_press_event.connect (mem_fun(*this, &ARDOUR_UI::shuttle_box_button_press)); shuttle_box.button_release_event.connect (mem_fun(*this, &ARDOUR_UI::shuttle_box_button_release)); shuttle_box.motion_notify_event.connect (mem_fun(*this, &ARDOUR_UI::shuttle_box_motion)); shuttle_box.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.set_mode (AudioClock::SMPTE); primary_clock.set_name ("TransportClockDisplay"); secondary_clock.set_mode (AudioClock::BBT); secondary_clock.set_name ("TransportClockDisplay"); 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")); /* options */ auto_return_button.toggled.connect (mem_fun(*this,&ARDOUR_UI::toggle_auto_return)); auto_play_button.toggled.connect (mem_fun(*this,&ARDOUR_UI::toggle_auto_play)); auto_input_button.toggled.connect (mem_fun(*this,&ARDOUR_UI::toggle_auto_input)); click_button.toggled.connect (mem_fun(*this,&ARDOUR_UI::toggle_click)); follow_button.toggled.connect (mem_fun(*this,&ARDOUR_UI::toggle_follow)); punch_in_button.toggled.connect (mem_fun(*this,&ARDOUR_UI::toggle_punch_in)); punch_out_button.toggled.connect (mem_fun(*this,&ARDOUR_UI::toggle_punch_out)); preroll_button.unset_flags (Gtk::CAN_FOCUS); preroll_button.set_events (preroll_button.get_events() & ~(GDK_ENTER_NOTIFY_MASK|GDK_LEAVE_NOTIFY_MASK)); preroll_button.set_name ("TransportButton"); postroll_button.unset_flags (Gtk::CAN_FOCUS); postroll_button.set_events (postroll_button.get_events() & ~(GDK_ENTER_NOTIFY_MASK|GDK_LEAVE_NOTIFY_MASK)); 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.pressed.connect (mem_fun(*this,&ARDOUR_UI::solo_alert_toggle)); auditioning_alert_button.set_name ("TransportAuditioningAlert"); auditioning_alert_button.pressed.connect (mem_fun(*this,&ARDOUR_UI::audition_alert_toggle)); alert_box.pack_start (solo_alert_button); alert_box.pack_start (auditioning_alert_button); transport_tearoff_hbox.set_border_width (5); transport_tearoff_hbox.pack_start (goto_start_button, false, false); transport_tearoff_hbox.pack_start (goto_end_button, false, false); Gtk::Frame* sframe = manage (new Frame); Gtk::VBox* svbox = manage (new VBox); Gtk::HBox* shbox = manage (new HBox); sframe->set_shadow_type (Gtk::SHADOW_IN); sframe->add (shuttle_box); shuttle_box.set_name (X_("ShuttleControl")); speed_display_box.add (speed_display_label); set_size_request_to_display_given_text (speed_display_box, _("stopped"), 2, 2); 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")); shuttle_style_button.signal_clicked().connect (mem_fun(*this, &ARDOUR_UI::shuttle_style_clicked)); Gtk::Frame* sdframe = manage (new Frame); sdframe->set_shadow_type (Gtk::SHADOW_IN); sdframe->add (speed_display_box); 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, 5); 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, 10); transport_tearoff_hbox.pack_start (primary_clock, false, false, 5); transport_tearoff_hbox.pack_start (secondary_clock, false, false, 5); transport_tearoff_hbox.pack_start (punch_in_button, false, false); transport_tearoff_hbox.pack_start (punch_out_button, false, false); transport_tearoff_hbox.pack_start (auto_input_button, false, false); transport_tearoff_hbox.pack_start (auto_return_button, false, false); transport_tearoff_hbox.pack_start (auto_play_button, false, false); transport_tearoff_hbox.pack_start (click_button, false, false); transport_tearoff_hbox.pack_start (follow_button, false, false); /* desensitize */ set_transport_sensitivity (false); /* catch up with editor state */ follow_changed (); // transport_tearoff_hbox.pack_start (preroll_button, false, false); // transport_tearoff_hbox.pack_start (preroll_clock, false, false); // transport_tearoff_hbox.pack_start (postroll_button, false, false); // transport_tearoff_hbox.pack_start (postroll_clock, false, false); transport_tearoff_hbox.pack_start (alert_box, false, false, 5); } void ARDOUR_UI::setup_clock () { ARDOUR_UI::Clock.connect (bind (mem_fun (big_clock, &AudioClock::set), false)); big_clock_window = new BigClockWindow; big_clock_window->set_border_width (0); big_clock_window->add (big_clock); big_clock_window->set_title (_("ardour: clock")); big_clock_window->delete_event.connect (bind (ptr_fun (just_hide_it), static_cast(big_clock_window))); big_clock_window->realize.connect (mem_fun(*this, &ARDOUR_UI::big_clock_realize)); big_clock_window->size_allocate.connect (mem_fun(*this, &ARDOUR_UI::big_clock_size_event)); big_clock_window->Hiding.connect (mem_fun(*this, &ARDOUR_UI::big_clock_hiding)); } void ARDOUR_UI::big_clock_size_event (GtkAllocation *alloc) { return; } void ARDOUR_UI::big_clock_realize () { big_clock_window->get_window().set_decorations (GdkWMDecoration (GDK_DECOR_BORDER|GDK_DECOR_RESIZEH|GDK_DECOR_MAXIMIZE|GDK_DECOR_MINIMIZE)); } void ARDOUR_UI::detach_tearoff (Gtk::Box* b, Gtk::Widget* w) { editor->ensure_float (*transport_tearoff->tearoff_window()); b->remove (*w); } void ARDOUR_UI::reattach_tearoff (Gtk::Box* b, Gtk::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) { Gtkmm2ext::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 (GTK_STATE_ACTIVE); } else { solo_alert_button.set_state (Gtk::STATE_NORMAL); } } else { solo_alert_button.set_active (false); solo_alert_button.set_state (Gtk::STATE_NORMAL); } } void ARDOUR_UI::audition_blink (bool onoff) { if (session == 0) { return; } if (session->is_auditioning()) { if (onoff) { auditioning_alert_button.set_state (GTK_STATE_ACTIVE); } else { auditioning_alert_button.set_state (Gtk::STATE_NORMAL); } } else { auditioning_alert_button.set_active (false); auditioning_alert_button.set_state (Gtk::STATE_NORMAL); } } gint ARDOUR_UI::shuttle_box_button_press (GdkEventButton* ev) { if (!session) { return TRUE; } switch (ev->button) { case 1: Gtk::Main::grab_add (shuttle_box); shuttle_grabbed = true; mouse_shuttle (ev->x, true); break; case 2: case 3: return TRUE; break; case 4: break; case 5: 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; Gtk::Main::grab_remove (shuttle_box); if (shuttle_behaviour == Sprung) { shuttle_fract = SHUTTLE_FRACT_SPEED1; session->request_transport_speed (1.0); shuttle_box.queue_draw (); } return TRUE; case 2: if (session->transport_rolling()) { shuttle_fract = SHUTTLE_FRACT_SPEED1; session->request_transport_speed (1.0); } else { shuttle_fract = 0; } shuttle_box.queue_draw (); return TRUE; case 3: return TRUE; case 4: shuttle_fract += 0.005; break; case 5: shuttle_fract -= 0.005; break; } 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.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::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 (8.0 * fract); // Formula A2 shuttle_box.queue_draw (); } gint ARDOUR_UI::shuttle_box_expose (GdkEventExpose* event) { gint x; 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.width() / 2.0) + (0.5 * (shuttle_box.width() * shuttle_fract))); /* draw line */ win.draw_line (shuttle_box.get_style()->get_fg_gc (shuttle_box.get_state()), x, 0, x, shuttle_box.height()); return TRUE; } void ARDOUR_UI::shuttle_style_clicked () { shuttle_style_menu.popup (1, 0); } void ARDOUR_UI::shuttle_unit_clicked () { shuttle_unit_menu.popup (1, 0); } void ARDOUR_UI::set_shuttle_units (ShuttleUnits u) { switch ((shuttle_units = u)) { case Percentage: static_cast(shuttle_units_button.get_child())->set_text ("% "); break; case Semitones: static_cast(shuttle_units_button.get_child())->set_text (_("st")); break; } } void ARDOUR_UI::set_shuttle_behaviour (ShuttleBehaviour b) { switch ((shuttle_behaviour = b)) { case Sprung: static_cast(shuttle_style_button.get_child())->set_text (_("sprung")); shuttle_fract = 0.0; shuttle_box.queue_draw (); if (session) { if (session->transport_rolling()) { shuttle_fract = SHUTTLE_FRACT_SPEED1; session->request_transport_speed (1.0); } } break; case Wheel: static_cast(shuttle_style_button.get_child())->set_text (_("wheel")); break; } } void ARDOUR_UI::update_speed_display () { if (!session) { speed_display_label.set_text (_("stopped")); return; } char buf[32]; float x = session->transport_speed (); if (x != 0) { if (shuttle_units == Percentage) { snprintf (buf, sizeof (buf), "%.4f", 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 (_("stopped")); } } void ARDOUR_UI::set_transport_sensitivity (bool yn) { goto_start_button.set_sensitive (yn); goto_end_button.set_sensitive (yn); roll_button.set_sensitive (yn); stop_button.set_sensitive (yn); play_selection_button.set_sensitive (yn); rec_button.set_sensitive (yn); auto_loop_button.set_sensitive (yn); shuttle_box.set_sensitive (yn); }