#include <cairo/cairo.h>
-#include <pbd/stacktrace.h>
-
#include "ardour/ardour.h"
#include "ardour/audioengine.h"
#include "ardour/rc_configuration.h"
#include "gtkmm2ext/gui_thread.h"
#include "ardour_ui.h"
+#include "rgb_macros.h"
#include "shuttle_control.h"
+#include "i18n.h"
+
using namespace Gtk;
using namespace Gtkmm2ext;
using namespace ARDOUR;
using std::min;
using std::max;
+gboolean qt (gboolean, gint, gint, gboolean, Gtk::Tooltip*, gpointer)
+{
+ return FALSE;
+}
+
ShuttleControl::ShuttleControl ()
- : _controllable (*this)
+ : _controllable (new ShuttleControllable (*this))
+ , binding_proxy (_controllable)
{
- ARDOUR_UI::instance()->set_tip (*this, _("Shuttle speed control"));
+ ARDOUR_UI::instance()->set_tip (*this, _("Shuttle speed control (Context-click for options)"));
- pattern = 0;
+ pattern = 0;
last_shuttle_request = 0;
last_speed_displayed = -99999999;
shuttle_grabbed = false;
+ shuttle_speed_on_grab = 0;
shuttle_fract = 0.0;
shuttle_max_speed = 8.0f;
shuttle_style_menu = 0;
shuttle_unit_menu = 0;
- shuttle_context_menu = 0;
+ shuttle_context_menu = 0;
- set_flags (CAN_FOCUS);
- 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);
- set_size_request (100, 15);
+ set_flags (CAN_FOCUS);
+ 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);
+ set_size_request (100, 15);
set_name (X_("ShuttleControl"));
- Config->ParameterChanged.connect (parameter_connection, MISSING_INVALIDATOR, ui_bind (&ShuttleControl::parameter_changed, this, _1), gui_context());
+ Config->ParameterChanged.connect (parameter_connection, MISSING_INVALIDATOR, ui_bind (&ShuttleControl::parameter_changed, this, _1), gui_context());
+
+ /* gtkmm 2.4: the C++ wrapper doesn't work */
+ g_signal_connect ((GObject*) gobj(), "query-tooltip", G_CALLBACK (qt), NULL);
+ // signal_query_tooltip().connect (sigc::mem_fun (*this, &ShuttleControl::on_query_tooltip));
}
ShuttleControl::~ShuttleControl ()
void
ShuttleControl::set_session (Session *s)
{
- SessionHandlePtr::set_session (s);
+ SessionHandlePtr::set_session (s);
- if (_session) {
- set_sensitive (true);
- } else {
- set_sensitive (false);
- }
+ if (_session) {
+ set_sensitive (true);
+ _session->add_controllable (_controllable);
+ } else {
+ set_sensitive (false);
+ }
}
void
ShuttleControl::on_size_allocate (Gtk::Allocation& alloc)
{
- if (pattern) {
- cairo_pattern_destroy (pattern);
- pattern = 0;
- }
+ if (pattern) {
+ cairo_pattern_destroy (pattern);
+ pattern = 0;
+ }
pattern = cairo_pattern_create_linear (0, 0, alloc.get_width(), alloc.get_height());
-
+
/* add 3 color stops */
+ uint32_t col = ARDOUR_UI::config()->canvasvar_Shuttle.get();
+
+ int r,b,g,a;
+ UINT_TO_RGBA(col, &r, &g, &b, &a);
+
cairo_pattern_add_color_stop_rgb (pattern, 0.0, 0, 0, 0);
- cairo_pattern_add_color_stop_rgb (pattern, 0.5, 0.0, 0.0, 1.0);
+ cairo_pattern_add_color_stop_rgb (pattern, 0.5, r/255.0, g/255.0, b/255.0);
cairo_pattern_add_color_stop_rgb (pattern, 1.0, 0, 0, 0);
- DrawingArea::on_size_allocate (alloc);
+ DrawingArea::on_size_allocate (alloc);
}
void
{
float speed = _session->transport_speed ();
- if (speed != 0.0) {
- shuttle_fract = SHUTTLE_FRACT_SPEED1; /* speed = 1.0, believe it or not */
- } else {
+ if (fabs(speed) <= (2*DBL_EPSILON)) {
shuttle_fract = 0;
+ } else {
+ if (Config->get_shuttle_units() == Semitones) {
+ bool reverse;
+ int semi = speed_as_semitones (speed, reverse);
+ shuttle_fract = semitones_as_fract (semi, reverse);
+ } else {
+ shuttle_fract = speed/shuttle_max_speed;
+ }
}
queue_draw ();
Menu* speed_menu = manage (new Menu());
MenuList& speed_items = speed_menu->items();
- RadioMenuItem::Group group;
+ Menu* units_menu = manage (new Menu);
+ MenuList& units_items = units_menu->items();
+ RadioMenuItem::Group units_group;
+
+ units_items.push_back (RadioMenuElem (units_group, _("Percent"), sigc::bind (sigc::mem_fun (*this, &ShuttleControl::set_shuttle_units), Percentage)));
+ if (Config->get_shuttle_units() == Percentage) {
+ static_cast<RadioMenuItem*>(&units_items.back())->set_active();
+ }
+ units_items.push_back (RadioMenuElem (units_group, _("Semitones"), sigc::bind (sigc::mem_fun (*this, &ShuttleControl::set_shuttle_units), Semitones)));
+ if (Config->get_shuttle_units() == Semitones) {
+ static_cast<RadioMenuItem*>(&units_items.back())->set_active();
+ }
+ items.push_back (MenuElem (_("Units"), *units_menu));
+
+ Menu* style_menu = manage (new Menu);
+ MenuList& style_items = style_menu->items();
+ RadioMenuItem::Group style_group;
- speed_items.push_back (RadioMenuElem (group, "8", sigc::bind (sigc::mem_fun (*this, &ShuttleControl::set_shuttle_max_speed), 8.0f)));
+ style_items.push_back (RadioMenuElem (style_group, _("Sprung"), sigc::bind (sigc::mem_fun (*this, &ShuttleControl::set_shuttle_style), Sprung)));
+ if (Config->get_shuttle_behaviour() == Sprung) {
+ static_cast<RadioMenuItem*>(&style_items.back())->set_active();
+ }
+ style_items.push_back (RadioMenuElem (style_group, _("Wheel"), sigc::bind (sigc::mem_fun (*this, &ShuttleControl::set_shuttle_style), Wheel)));
+ if (Config->get_shuttle_behaviour() == Wheel) {
+ static_cast<RadioMenuItem*>(&style_items.back())->set_active();
+ }
+
+ items.push_back (MenuElem (_("Mode"), *style_menu));
+
+ RadioMenuItem::Group speed_group;
+
+ speed_items.push_back (RadioMenuElem (speed_group, "8", sigc::bind (sigc::mem_fun (*this, &ShuttleControl::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", sigc::bind (sigc::mem_fun (*this, &ShuttleControl::set_shuttle_max_speed), 6.0f)));
+ speed_items.push_back (RadioMenuElem (speed_group, "6", sigc::bind (sigc::mem_fun (*this, &ShuttleControl::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", sigc::bind (sigc::mem_fun (*this, &ShuttleControl::set_shuttle_max_speed), 4.0f)));
+ speed_items.push_back (RadioMenuElem (speed_group, "4", sigc::bind (sigc::mem_fun (*this, &ShuttleControl::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", sigc::bind (sigc::mem_fun (*this, &ShuttleControl::set_shuttle_max_speed), 3.0f)));
+ speed_items.push_back (RadioMenuElem (speed_group, "3", sigc::bind (sigc::mem_fun (*this, &ShuttleControl::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", sigc::bind (sigc::mem_fun (*this, &ShuttleControl::set_shuttle_max_speed), 2.0f)));
+ speed_items.push_back (RadioMenuElem (speed_group, "2", sigc::bind (sigc::mem_fun (*this, &ShuttleControl::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", sigc::bind (sigc::mem_fun (*this, &ShuttleControl::set_shuttle_max_speed), 1.5f)));
+ speed_items.push_back (RadioMenuElem (speed_group, "1.5", sigc::bind (sigc::mem_fun (*this, &ShuttleControl::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));
-
- Menu* units_menu = manage (new Menu);
- MenuList& units_items = units_menu->items();
- RadioMenuItem::Group units_group;
-
- units_items.push_back (RadioMenuElem (units_group, _("Percent"), sigc::bind (sigc::mem_fun (*this, &ShuttleControl::set_shuttle_units), Percentage)));
- if (Config->get_shuttle_units() == Percentage) {
- static_cast<RadioMenuItem*>(&units_items.back())->set_active();
- }
- units_items.push_back (RadioMenuElem (units_group, _("Semitones"), sigc::bind (sigc::mem_fun (*this, &ShuttleControl::set_shuttle_units), Semitones)));
- if (Config->get_shuttle_units() == Semitones) {
- static_cast<RadioMenuItem*>(&units_items.back())->set_active();
- }
- items.push_back (MenuElem (_("Units"), *units_menu));
-
- Menu* style_menu = manage (new Menu);
- MenuList& style_items = style_menu->items();
- RadioMenuItem::Group style_group;
- style_items.push_back (RadioMenuElem (style_group, _("Sprung"), sigc::bind (sigc::mem_fun (*this, &ShuttleControl::set_shuttle_style), Sprung)));
- if (Config->get_shuttle_behaviour() == Sprung) {
- static_cast<RadioMenuItem*>(&style_items.back())->set_active();
- }
- style_items.push_back (RadioMenuElem (style_group, _("Wheel"), sigc::bind (sigc::mem_fun (*this, &ShuttleControl::set_shuttle_style), Wheel)));
- if (Config->get_shuttle_behaviour() == Wheel) {
- static_cast<RadioMenuItem*>(&style_items.back())->set_active();
- }
-
- items.push_back (MenuElem (_("Mode"), *style_menu));
}
void
return true;
}
-#if 0
- if (shuttle_controller_binding_proxy.button_press_handler (ev)) {
+ if (binding_proxy.button_press_handler (ev)) {
return true;
}
-#endif
if (Keyboard::is_context_menu_event (ev)) {
show_shuttle_context_menu ();
case 1:
add_modal_grab ();
shuttle_grabbed = true;
+ shuttle_speed_on_grab = _session->transport_speed ();
mouse_shuttle (ev->x, true);
break;
switch (ev->button) {
case 1:
- mouse_shuttle (ev->x, true);
shuttle_grabbed = false;
remove_modal_grab ();
+
if (Config->get_shuttle_behaviour() == Sprung) {
- if (_session->config.get_auto_play()) {
- shuttle_fract = SHUTTLE_FRACT_SPEED1;
- _session->request_transport_speed (1.0);
- } else {
- shuttle_fract = 0;
- _session->request_transport_speed (0.0);
- }
- queue_draw ();
+ _session->request_transport_speed (shuttle_speed_on_grab);
+ } else {
+ mouse_shuttle (ev->x, true);
}
+
return true;
case 2:
if (_session->transport_rolling()) {
- shuttle_fract = SHUTTLE_FRACT_SPEED1;
_session->request_transport_speed (1.0);
- } else {
- shuttle_fract = 0;
}
- queue_draw ();
return true;
case 3:
}
- use_shuttle_fract (true);
-
return true;
}
+bool
+ShuttleControl::on_query_tooltip (int, int, bool, const Glib::RefPtr<Gtk::Tooltip>&)
+{
+ return false;
+}
+
bool
ShuttleControl::on_scroll_event (GdkEventScroll* ev)
{
- if (!_session) {
+ if (!_session || Config->get_shuttle_behaviour() != Wheel) {
return true;
}
- switch (ev->direction) {
+ bool semis = (Config->get_shuttle_units() == Semitones);
+ switch (ev->direction) {
case GDK_SCROLL_UP:
- shuttle_fract += 0.005;
+ case GDK_SCROLL_RIGHT:
+ if (semis) {
+ if (shuttle_fract == 0) {
+ shuttle_fract = semitones_as_fract (1, false);
+ } else {
+ bool rev;
+ int st = fract_as_semitones (shuttle_fract, rev);
+ shuttle_fract = semitones_as_fract (st + 1, rev);
+ }
+ } else {
+ shuttle_fract += 0.00125;
+ }
break;
case GDK_SCROLL_DOWN:
- shuttle_fract -= 0.005;
+ case GDK_SCROLL_LEFT:
+ if (semis) {
+ if (shuttle_fract == 0) {
+ shuttle_fract = semitones_as_fract (1, true);
+ } else {
+ bool rev;
+ int st = fract_as_semitones (shuttle_fract, rev);
+ shuttle_fract = semitones_as_fract (st - 1, rev);
+ }
+ } else {
+ shuttle_fract -= 0.00125;
+ }
break;
default:
- /* scroll left/right */
return false;
}
+
+ if (semis) {
+
+ float lower_side_of_dead_zone = semitones_as_fract (-24, true);
+ float upper_side_of_dead_zone = semitones_as_fract (-24, false);
+
+ /* if we entered the "dead zone" (-24 semitones in forward or reverse), jump
+ to the far side of it.
+ */
+
+ if (shuttle_fract > lower_side_of_dead_zone && shuttle_fract < upper_side_of_dead_zone) {
+ switch (ev->direction) {
+ case GDK_SCROLL_UP:
+ case GDK_SCROLL_RIGHT:
+ shuttle_fract = upper_side_of_dead_zone;
+ break;
+ case GDK_SCROLL_DOWN:
+ case GDK_SCROLL_LEFT:
+ shuttle_fract = lower_side_of_dead_zone;
+ break;
+ default:
+ /* impossible, checked above */
+ return false;
+ }
+ }
+ }
use_shuttle_fract (true);
gint
ShuttleControl::mouse_shuttle (double x, bool force)
{
- double const half_width = get_width() / 2.0;
- double distance = x - half_width;
+ double const center = get_width() / 2.0;
+ double distance_from_center = x - center;
- if (distance > 0) {
- distance = min (distance, half_width);
+ if (distance_from_center > 0) {
+ distance_from_center = min (distance_from_center, center);
} else {
- distance = max (distance, -half_width);
+ distance_from_center = max (distance_from_center, -center);
}
- shuttle_fract = distance / half_width;
+ /* compute shuttle fract as expressing how far between the center
+ and the edge we are. positive values indicate we are right of
+ center, negative values indicate left of center
+ */
+
+ shuttle_fract = distance_from_center / center; // center == half the width
use_shuttle_fract (force);
return true;
}
use_shuttle_fract (false);
}
+int
+ShuttleControl::speed_as_semitones (float speed, bool& reverse)
+{
+ assert (speed != 0.0);
+
+ if (speed < 0.0) {
+ reverse = true;
+ return (int) round (12.0 * fast_log2 (-speed));
+ } else {
+ reverse = false;
+ return (int) round (12.0 * fast_log2 (speed));
+ }
+}
+
+float
+ShuttleControl::semitones_as_speed (int semi, bool reverse)
+{
+ if (reverse) {
+ return -pow (2.0, (semi / 12.0));
+ } else {
+ return pow (2.0, (semi / 12.0));
+ }
+}
+
+float
+ShuttleControl::semitones_as_fract (int semi, bool reverse)
+{
+ float speed = semitones_as_speed (semi, reverse);
+ return speed/4.0; /* 4.0 is the maximum speed for a 24 semitone shift */
+}
+
+int
+ShuttleControl::fract_as_semitones (float fract, bool& reverse)
+{
+ assert (fract != 0.0);
+ return speed_as_semitones (fract * 4.0, reverse);
+}
+
void
ShuttleControl::use_shuttle_fract (bool force)
{
microseconds_t now = get_microseconds();
+ shuttle_fract = max (-1.0f, shuttle_fract);
+ shuttle_fract = min (1.0f, shuttle_fract);
+
/* do not attempt to submit a motion-driven transport speed request
more than once per process cycle.
- */
+ */
if (!force && (last_shuttle_request - now) < (microseconds_t) AudioEngine::instance()->usecs_per_cycle()) {
return;
double speed = 0;
if (Config->get_shuttle_units() == Semitones) {
-
- double const step = 1.0 / 24.0; // range is 24 semitones up & down
- double const semitones = round (shuttle_fract / step);
- speed = pow (2.0, (semitones / 12.0));
-
- } else {
-
- bool const neg = (shuttle_fract < 0.0);
- double fract = 1 - sqrt (1 - (shuttle_fract * shuttle_fract)); // Formula A1
-
- if (neg) {
- fract = -fract;
+ if (shuttle_fract != 0.0) {
+ bool reverse;
+ int semi = fract_as_semitones (shuttle_fract, reverse);
+ speed = semitones_as_speed (semi, reverse);
+ } else {
+ speed = 0.0;
}
-
- speed = shuttle_max_speed * fract;
+ } else {
+ speed = shuttle_max_speed * shuttle_fract;
}
-
+
_session->request_transport_speed_nonzero (speed);
}
bool
-ShuttleControl::on_expose_event (GdkEventExpose* event)
+ShuttleControl::on_expose_event (GdkEventExpose*)
{
- cairo_text_extents_t extents;
- Glib::RefPtr<Gdk::Window> win (get_window());
+ cairo_text_extents_t extents;
+ Glib::RefPtr<Gdk::Window> win (get_window());
Glib::RefPtr<Gtk::Style> style (get_style());
- cairo_t* cr = gdk_cairo_create (win->gobj());
+ cairo_t* cr = gdk_cairo_create (win->gobj());
cairo_set_source (cr, pattern);
cairo_rectangle (cr, 0.0, 0.0, get_width(), get_height());
cairo_set_source_rgb (cr, 0, 0, 0.0);
cairo_stroke (cr);
+ float speed = 0.0;
+
+ if (_session) {
+ speed = _session->transport_speed ();
+ }
+
/* Marker */
-
- double x = (get_width() / 2.0) + (0.5 * (get_width() * shuttle_fract));
- cairo_move_to (cr, x, 0);
+
+ double visual_fraction = std::min (1.0f, speed/shuttle_max_speed);
+ double x = (get_width() / 2.0) + (0.5 * (get_width() * visual_fraction));
+ cairo_move_to (cr, x, 1);
cairo_set_source_rgb (cr, 1.0, 1.0, 1.0);
- cairo_line_to (cr, x, get_height());
+ cairo_line_to (cr, x, get_height()-1);
cairo_stroke (cr);
/* speed text */
char buf[32];
- float speed = 0.0;
-
- if (_session) {
- speed = _session->transport_speed ();
- }
if (speed != 0) {
+
if (Config->get_shuttle_units() == Percentage) {
- snprintf (buf, sizeof (buf), "%d%%", (int) round (speed * 100));
+
+ if (speed == 1.0) {
+ snprintf (buf, sizeof (buf), _("Playing"));
+ } else {
+ if (speed < 0.0) {
+ snprintf (buf, sizeof (buf), "<<< %d%%", (int) round (-speed * 100));
+ } else {
+ snprintf (buf, sizeof (buf), ">>> %d%%", (int) round (speed * 100));
+ }
+ }
+
} else {
- if (speed < 0) {
- snprintf (buf, sizeof (buf), "< %d semitones", (int) round (12.0 * fast_log2 (-speed)));
+
+ bool reversed;
+ int semi = speed_as_semitones (speed, reversed);
+
+ if (reversed) {
+ snprintf (buf, sizeof (buf), _("<<< %+d semitones"), semi);
} else {
- snprintf (buf, sizeof (buf), "> %d semitones", (int) round (12.0 * fast_log2 (speed)));
+ snprintf (buf, sizeof (buf), _(">>> %+d semitones"), semi);
}
}
+
} else {
- snprintf (buf, sizeof (buf), _("stop"));
+ snprintf (buf, sizeof (buf), _("Stopped"));
}
last_speed_displayed = speed;
cairo_set_source_rgb (cr, 1.0, 1.0, 1.0);
- cairo_text_extents (cr, buf, &extents);
+ cairo_text_extents (cr, buf, &extents);
cairo_move_to (cr, 10, extents.height + 2);
cairo_show_text (cr, buf);
break;
}
- cairo_text_extents (cr, buf, &extents);
+ cairo_text_extents (cr, buf, &extents);
cairo_move_to (cr, get_width() - (fabs(extents.x_advance) + 5), extents.height + 2);
cairo_show_text (cr, buf);
void
ShuttleControl::set_shuttle_style (ShuttleBehaviour s)
{
- Config->set_shuttle_behaviour (s);
+ Config->set_shuttle_behaviour (s);
}
void
ShuttleControl::set_shuttle_units (ShuttleUnits s)
{
- Config->set_shuttle_units (s);
+ Config->set_shuttle_units (s);
}
void
queue_draw ();
}
}
-
-/*
- set_tip (shuttle_units_button, _("Select semitones or %%-age for speed display"));
- set_tip (speed_display_box, _("Current transport speed"));
-
-
-*/
ShuttleControl::ShuttleControllable::ShuttleControllable (ShuttleControl& s)
- : PBD::Controllable (X_("Shuttle"))
- , sc (s)
-{
-}
-
-void
-ShuttleControl::ShuttleControllable::set_id (const std::string& str)
+ : PBD::Controllable (X_("Shuttle"))
+ , sc (s)
{
- _id = str;
}
void
ShuttleControl::ShuttleControllable::set_value (double val)
{
- double fract;
-
- if (val == 0.5) {
- fract = 0.0;
- } else {
- if (val < 0.5) {
- fract = -((0.5 - val)/0.5);
- } else {
- fract = ((val - 0.5)/0.5);
- }
- }
-
- sc.set_shuttle_fract (fract);
+ double fract;
+
+ if (val == 0.5) {
+ fract = 0.0;
+ } else {
+ if (val < 0.5) {
+ fract = -((0.5 - val)/0.5);
+ } else {
+ fract = ((val - 0.5)/0.5);
+ }
+ }
+
+ sc.set_shuttle_fract (fract);
}
-double
+double
ShuttleControl::ShuttleControllable::get_value () const
{
- return sc.get_shuttle_fract ();
+ return sc.get_shuttle_fract ();
}
void
ShuttleControl::parameter_changed (std::string p)
{
- if (p == "shuttle-behaviour") {
+ if (p == "shuttle-behaviour") {
switch (Config->get_shuttle_behaviour ()) {
case Sprung:
- shuttle_fract = 0.0;
+ /* back to Sprung - reset to speed = 1.0 if playing
+ */
if (_session) {
if (_session->transport_rolling()) {
- shuttle_fract = SHUTTLE_FRACT_SPEED1;
- _session->request_transport_speed (1.0);
+ if (_session->transport_speed() == 1.0) {
+ queue_draw ();
+ } else {
+ _session->request_transport_speed (1.0);
+ /* redraw when speed changes */
+ }
+ } else {
+ queue_draw ();
}
}
break;
+
case Wheel:
+ queue_draw ();
break;
}
- queue_draw ();
-
+
} else if (p == "shuttle-units") {
- queue_draw ();
- }
+ queue_draw ();
+ }
}
projects / ardour.git / blobdiff