diff options
Diffstat (limited to 'gtk2_ardour/ardour_ui2.cc')
| -rw-r--r-- | gtk2_ardour/ardour_ui2.cc | 785 |
1 files changed, 785 insertions, 0 deletions
diff --git a/gtk2_ardour/ardour_ui2.cc b/gtk2_ardour/ardour_ui2.cc new file mode 100644 index 0000000000..808e306e81 --- /dev/null +++ b/gtk2_ardour/ardour_ui2.cc @@ -0,0 +1,785 @@ +/* + 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 <fcntl.h> +#include <signal.h> +#include <unistd.h> +#include <cerrno> +#include <iostream> +#include <cmath> + +#include <gtk--.h> +#include <pbd/error.h> +#include <pbd/basename.h> +#include <pbd/fastlog.h> +#include <gtkmmext/pix.h> +#include <gtkmmext/utils.h> +#include <gtkmmext/click_box.h> +#include <gtkmmext/tearoff.h> + +#include <ardour/audioengine.h> +#include <ardour/ardour.h> +#include <ardour/route.h> + +#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 Gtkmmext; +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(slot (*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 (slot (*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 (slot (*this, &ARDOUR_UI::detach_tearoff), static_cast<Gtk::Box*>(&top_packer), + static_cast<Gtk::Widget*>(&transport_frame))); + transport_tearoff->Attach.connect (bind (slot (*this, &ARDOUR_UI::reattach_tearoff), static_cast<Gtk::Box*> (&top_packer), + static_cast<Gtk::Widget*> (&transport_frame), 1)); + + + goto_start_button.add (*(manage (new Gtk::Pixmap (start_xpm)))); + goto_end_button.add (*(manage (new Gtk::Pixmap (end_xpm)))); + roll_button.add (*(manage (new Gtk::Pixmap (arrow_xpm)))); + stop_button.add (*(manage (new Gtk::Pixmap (stop_xpm)))); + play_selection_button.add (*(manage (new Gtk::Pixmap (play_selection_xpm)))); + rec_button.add (*(manage (new Gtk::Pixmap (rec_xpm)))); + auto_loop_button.add (*(manage (new Gtk::Pixmap (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_usize (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.clicked.connect (slot (*this,&ARDOUR_UI::transport_goto_start)); + goto_end_button.clicked.connect (slot (*this,&ARDOUR_UI::transport_goto_end)); + + roll_button.button_release_event.connect (slot (*this,&ARDOUR_UI::mouse_transport_roll)); + play_selection_button.button_release_event.connect (slot (*this,&ARDOUR_UI::mouse_transport_play_selection)); + auto_loop_button.button_release_event.connect (slot (*this,&ARDOUR_UI::mouse_transport_loop)); + + stop_button.button_release_event.connect (slot (*this,&ARDOUR_UI::mouse_transport_stop)); + rec_button.button_release_event.connect (slot (*this,&ARDOUR_UI::mouse_transport_record)); + + shuttle_box.button_press_event.connect (slot (*this, &ARDOUR_UI::shuttle_box_button_press)); + shuttle_box.button_release_event.connect (slot (*this, &ARDOUR_UI::shuttle_box_button_release)); + shuttle_box.motion_notify_event.connect (slot (*this, &ARDOUR_UI::shuttle_box_motion)); + shuttle_box.expose_event.connect (slot (*this, &ARDOUR_UI::shuttle_box_expose)); + + /* clocks, etc. */ + + ARDOUR_UI::Clock.connect (bind (slot (primary_clock, &AudioClock::set), false)); + ARDOUR_UI::Clock.connect (bind (slot (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 (slot (*this, &ARDOUR_UI::primary_clock_value_changed)); + secondary_clock.ValueChanged.connect (slot (*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 (slot (*this,&ARDOUR_UI::toggle_auto_return)); + auto_play_button.toggled.connect (slot (*this,&ARDOUR_UI::toggle_auto_play)); + auto_input_button.toggled.connect (slot (*this,&ARDOUR_UI::toggle_auto_input)); + click_button.toggled.connect (slot (*this,&ARDOUR_UI::toggle_click)); + follow_button.toggled.connect (slot (*this,&ARDOUR_UI::toggle_follow)); + punch_in_button.toggled.connect (slot (*this,&ARDOUR_UI::toggle_punch_in)); + punch_out_button.toggled.connect (slot (*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 (slot (*this,&ARDOUR_UI::solo_alert_toggle)); + auditioning_alert_button.set_name ("TransportAuditioningAlert"); + auditioning_alert_button.pressed.connect (slot (*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_usize_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.clicked.connect (slot (*this, &ARDOUR_UI::shuttle_unit_clicked)); + + shuttle_style_button.set_name (X_("ShuttleButton")); + shuttle_style_button.clicked.connect (slot (*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 (slot (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 (slot (just_hide_it), static_cast<Gtk::Window*>(big_clock_window))); + big_clock_window->realize.connect (slot (*this, &ARDOUR_UI::big_clock_realize)); + big_clock_window->size_allocate.connect (slot (*this, &ARDOUR_UI::big_clock_size_event)); + + big_clock_window->Hiding.connect (slot (*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) +{ + Gtkmmext::UI::instance()->call_slot(bind (slot (*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<Gtk::Label*>(shuttle_units_button.get_child())->set_text ("% "); + break; + case Semitones: + static_cast<Gtk::Label*>(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<Gtk::Label*>(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<Gtk::Label*>(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); +} |