X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=gtk2_ardour%2Fspeaker_dialog.cc;h=00495a8000dfb9866f2fd952ee7a6a9380d389b9;hb=352c824fa3999244ef1ebf002d57d4b2dea5ae3c;hp=33200e99e07bfe42ee4e20d94a256ed7650cf5d4;hpb=fee370943854ff99aba1794382b6700b9feeb751;p=ardour.git diff --git a/gtk2_ardour/speaker_dialog.cc b/gtk2_ardour/speaker_dialog.cc index 33200e99e0..00495a8000 100644 --- a/gtk2_ardour/speaker_dialog.cc +++ b/gtk2_ardour/speaker_dialog.cc @@ -22,8 +22,9 @@ #include "gtkmm2ext/keyboard.h" #include "speaker_dialog.h" +#include "gui_thread.h" -#include "i18n.h" +#include "pbd/i18n.h" using namespace ARDOUR; using namespace PBD; @@ -32,54 +33,83 @@ using namespace Gtk; using namespace Gtkmm2ext; SpeakerDialog::SpeakerDialog () - : ArdourDialog (_("Speaker Configuration")) - , azimuth_adjustment (0, 0.0, 360.0, 10.0, 1.0) - , azimuth_spinner (azimuth_adjustment) - , add_speaker_button (_("Add Speaker")) - , use_system_button (_("Use System")) - + : ArdourWindow (_("Speaker Configuration")) + , aspect_frame ("", 0.5, 0.5, 1.5, false) + , azimuth_adjustment (0, 0.0, 360.0, 10.0, 1.0) + , azimuth_spinner (azimuth_adjustment) + , add_speaker_button (_("Add Speaker")) + , remove_speaker_button (_("Remove Speaker")) + /* initialize to 0 so that set_selected works below */ + , selected_index (0) + , ignore_speaker_position_change (false) + , ignore_azimuth_change (false) { - set_size_request (400, 200); - - side_vbox.set_homogeneous (false); - side_vbox.set_border_width (9); - side_vbox.set_spacing (6); - side_vbox.pack_start (azimuth_spinner, false, false); - side_vbox.pack_start (add_speaker_button, false, false); - side_vbox.pack_start (use_system_button, false, false); - - hbox.set_spacing (6); - hbox.set_border_width (6); - hbox.pack_start (darea, true, true); - hbox.pack_start (side_vbox, false, false); - - get_vbox()->pack_start (hbox); - get_vbox()->show_all (); - - darea.signal_size_allocate().connect (sigc::mem_fun (*this, &SpeakerDialog::darea_size_allocate)); - darea.signal_expose_event().connect (sigc::mem_fun (*this, &SpeakerDialog::darea_expose_event)); - darea.signal_button_press_event().connect (sigc::mem_fun (*this, &SpeakerDialog::darea_button_press_event)); - darea.signal_button_release_event().connect (sigc::mem_fun (*this, &SpeakerDialog::darea_button_release_event)); - darea.signal_motion_notify_event().connect (sigc::mem_fun (*this, &SpeakerDialog::darea_motion_notify_event)); - - drag_index = -1; + side_vbox.set_homogeneous (false); + side_vbox.set_border_width (6); + side_vbox.set_spacing (6); + side_vbox.pack_start (add_speaker_button, false, false); + + aspect_frame.set_size_request (300, 200); + aspect_frame.set_shadow_type (SHADOW_NONE); + aspect_frame.add (darea); + + hbox.set_spacing (6); + hbox.set_border_width (6); + hbox.pack_start (aspect_frame, true, true); + hbox.pack_start (side_vbox, false, false); + + HBox* current_speaker_hbox = manage (new HBox); + current_speaker_hbox->set_spacing (4); + current_speaker_hbox->pack_start (*manage (new Label (_("Azimuth:"))), false, false); + current_speaker_hbox->pack_start (azimuth_spinner, true, true); + current_speaker_hbox->pack_start (remove_speaker_button, true, true); + + VBox* vbox = manage (new VBox); + vbox->pack_start (hbox); + vbox->pack_start (*current_speaker_hbox, true, true); + vbox->show_all (); + add (*vbox); + + darea.add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::POINTER_MOTION_MASK); + + darea.signal_size_allocate().connect (sigc::mem_fun (*this, &SpeakerDialog::darea_size_allocate)); + darea.signal_expose_event().connect (sigc::mem_fun (*this, &SpeakerDialog::darea_expose_event)); + darea.signal_button_press_event().connect (sigc::mem_fun (*this, &SpeakerDialog::darea_button_press_event)); + darea.signal_button_release_event().connect (sigc::mem_fun (*this, &SpeakerDialog::darea_button_release_event)); + darea.signal_motion_notify_event().connect (sigc::mem_fun (*this, &SpeakerDialog::darea_motion_notify_event)); + + add_speaker_button.signal_clicked().connect (sigc::mem_fun (*this, &SpeakerDialog::add_speaker)); + remove_speaker_button.signal_clicked().connect (sigc::mem_fun (*this, &SpeakerDialog::remove_speaker)); + azimuth_adjustment.signal_value_changed().connect (sigc::mem_fun (*this, &SpeakerDialog::azimuth_changed)); + + drag_index = -1; + + /* selected index initialised to 0 above; this will set `no selection' and + sensitize widgets accordingly. + */ + set_selected (-1); } void -SpeakerDialog::set_speakers (const Speakers& s) +SpeakerDialog::set_speakers (boost::shared_ptr s) { - speakers = s; + _speakers = s; } -Speakers +boost::shared_ptr SpeakerDialog::get_speakers () const { - return speakers; + return _speakers.lock (); } bool SpeakerDialog::darea_expose_event (GdkEventExpose* event) { + boost::shared_ptr speakers = _speakers.lock (); + if (!speakers) { + return false; + } + gint x, y; cairo_t* cr; @@ -88,13 +118,11 @@ SpeakerDialog::darea_expose_event (GdkEventExpose* event) cairo_set_line_width (cr, 1.0); cairo_rectangle (cr, event->area.x, event->area.y, event->area.width, event->area.height); - cairo_set_source_rgba (cr, 0.1, 0.1, 0.1, 1.0); + cairo_set_source_rgba (cr, 0.1, 0.1, 0.1, 1.0); cairo_fill_preserve (cr); cairo_clip (cr); - if (height > 100) { - cairo_translate (cr, 10.0, 10.0); - } + cairo_translate (cr, x_origin, y_origin); /* horizontal line of "crosshairs" */ @@ -104,7 +132,7 @@ SpeakerDialog::darea_expose_event (GdkEventExpose* event) cairo_stroke (cr); /* vertical line of "crosshairs" */ - + cairo_move_to (cr, width/2+0.5, 0.5); cairo_line_to (cr, width/2+0.5, height+0.5); cairo_stroke (cr); @@ -114,55 +142,69 @@ SpeakerDialog::darea_expose_event (GdkEventExpose* event) cairo_arc (cr, width/2, height/2, height/2, 0, 2.0 * M_PI); cairo_stroke (cr); - float arc_radius; - - cairo_select_font_face (cr, "sans", CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_NORMAL); - - if (height < 100) { - cairo_set_font_size (cr, 10); - arc_radius = 2.0; - } else { - cairo_set_font_size (cr, 16); - arc_radius = 4.0; - } - - uint32_t n = 0; - for (vector::iterator i = speakers.speakers().begin(); i != speakers.speakers().end(); ++i) { - - Speaker& s (*i); - CartesianVector c (s.coords()); - - cart_to_gtk (c); - - x = (gint) floor (c.x); - y = (gint) floor (c.y); - - /* XXX need to shift circles so that they are centered on the circle */ - - cairo_arc (cr, x, y, arc_radius, 0, 2.0 * M_PI); - cairo_set_source_rgb (cr, 0.8, 0.2, 0.1); - cairo_close_path (cr); - cairo_fill (cr); - - cairo_move_to (cr, x + 6, y + 6); - - char buf[256]; - snprintf (buf, sizeof (buf), "%d:%d", n+1, (int) lrint (s.angles().azi)); - cairo_show_text (cr, buf); - ++n; - } - - cairo_destroy (cr); + float arc_radius; + + cairo_select_font_face (cr, "sans", CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_NORMAL); + + if (height < 100) { + cairo_set_font_size (cr, 10); + arc_radius = 2.0; + } else { + cairo_set_font_size (cr, 16); + arc_radius = 4.0; + } + + int n = 0; + for (vector::iterator i = speakers->speakers().begin(); i != speakers->speakers().end(); ++i) { + + Speaker& s (*i); + CartesianVector c (s.coords()); + + cart_to_gtk (c); + + /* We have already moved our plotting origin to x_origin, y_origin, + so compensate for that. + */ + c.x -= x_origin; + c.y -= y_origin; + + x = (gint) floor (c.x); + y = (gint) floor (c.y); + + /* XXX need to shift circles so that they are centered on the circle */ + + cairo_arc (cr, x, y, arc_radius, 0, 2.0 * M_PI); + if (selected_index == n) { + cairo_set_source_rgb (cr, 0.8, 0.8, 0.2); + } else { + cairo_set_source_rgb (cr, 0.8, 0.2, 0.1); + } + cairo_close_path (cr); + cairo_fill (cr); + + cairo_move_to (cr, x + 6, y + 6); + + char buf[256]; + if (n == selected_index) { + snprintf (buf, sizeof (buf), "%d:%d", n+1, (int) lrint (s.angles().azi)); + } else { + snprintf (buf, sizeof (buf), "%d", n + 1); + } + cairo_show_text (cr, buf); + ++n; + } + + cairo_destroy (cr); return true; - + } void SpeakerDialog::cart_to_gtk (CartesianVector& c) const { /* "c" uses a coordinate space that is: - + center = 0.0 dimension = 2.0 * 2.0 so max values along each axis are -1..+1 @@ -175,8 +217,8 @@ SpeakerDialog::cart_to_gtk (CartesianVector& c) const 0,height */ - c.x = (width / 2) * (c.x + 1); - c.y = (height / 2) * (1 - c.y); + c.x = (width / 2) * (c.x + 1) + x_origin; + c.y = (height / 2) * (1 - c.y) + y_origin; /* XXX z-axis not handled - 2D for now */ } @@ -184,8 +226,8 @@ SpeakerDialog::cart_to_gtk (CartesianVector& c) const void SpeakerDialog::gtk_to_cart (CartesianVector& c) const { - c.x = (c.x / (width / 2.0)) - 1.0; - c.y = -((c.y / (height / 2.0)) - 1.0); + c.x = ((c.x - x_origin) / (width / 2.0)) - 1.0; + c.y = -(((c.y - y_origin) / (height / 2.0)) - 1.0); /* XXX z-axis not handled - 2D for now */ } @@ -195,9 +237,10 @@ SpeakerDialog::clamp_to_circle (double& x, double& y) { double azi, ele; double z = 0.0; - - PBD::cart_to_azi_ele (x, y, z, azi, ele); - PBD::azi_ele_to_cart (azi, ele, x, y, z); + double l; + + PBD::cartesian_to_spherical (x, y, z, azi, ele, l); + PBD::spherical_to_cartesian (azi, ele, 1.0, x, y, z); } void @@ -206,33 +249,61 @@ SpeakerDialog::darea_size_allocate (Gtk::Allocation& alloc) width = alloc.get_width(); height = alloc.get_height(); + /* The allocation will (should) be rectangualar, but make the basic + drawing square; space to the right of the square is for over-hanging + text labels. + */ + width = height; + if (height > 100) { width -= 20; height -= 20; } + + /* Put the x origin to the left of the rectangular allocation */ + x_origin = (alloc.get_width() - width) / 3; + y_origin = (alloc.get_height() - height) / 2; } bool SpeakerDialog::darea_button_press_event (GdkEventButton *ev) { + boost::shared_ptr speakers = _speakers.lock (); + if (!speakers) { + return false; + } + GdkModifierType state; if (ev->type == GDK_2BUTTON_PRESS && ev->button == 1) { return false; } - drag_index = -1; + drag_index = -1; switch (ev->button) { case 1: case 2: - find_closest_object (ev->x, ev->y, drag_index); - drag_x = (int) floor (ev->x); - drag_y = (int) floor (ev->y); + { + int const index = find_closest_object (ev->x, ev->y); + set_selected (index); + + drag_index = index; + int const drag_x = (int) floor (ev->x); + int const drag_y = (int) floor (ev->y); state = (GdkModifierType) ev->state; + if (drag_index >= 0) { + CartesianVector c; + speakers->speakers()[drag_index].angles().cartesian (c); + cart_to_gtk (c); + drag_offset_x = drag_x - x_origin - c.x; + drag_offset_y = drag_y - y_origin - c.y; + } + return handle_motion (drag_x, drag_y, state); break; + } default: break; @@ -244,6 +315,11 @@ SpeakerDialog::darea_button_press_event (GdkEventButton *ev) bool SpeakerDialog::darea_button_release_event (GdkEventButton *ev) { + boost::shared_ptr speakers = _speakers.lock (); + if (!speakers) { + return false; + } + gint x, y; GdkModifierType state; bool ret = false; @@ -255,8 +331,8 @@ SpeakerDialog::darea_button_release_event (GdkEventButton *ev) state = (GdkModifierType) ev->state; if (Keyboard::modifier_state_contains (state, Keyboard::TertiaryModifier)) { - - for (vector::iterator i = speakers.speakers().begin(); i != speakers.speakers().end(); ++i) { + + for (vector::iterator i = speakers->speakers().begin(); i != speakers->speakers().end(); ++i) { /* XXX DO SOMETHING TO SET SPEAKER BACK TO "normal" */ } @@ -274,33 +350,35 @@ SpeakerDialog::darea_button_release_event (GdkEventButton *ev) y = (int) floor (ev->y); state = (GdkModifierType) ev->state; - ret = handle_motion (x, y, state); + ret = handle_motion (x, y, state); break; case 3: break; } - - drag_index = -1; + + drag_index = -1; return ret; } int -SpeakerDialog::find_closest_object (gdouble x, gdouble y, int& which) +SpeakerDialog::find_closest_object (gdouble x, gdouble y) { + boost::shared_ptr speakers = _speakers.lock (); + if (!speakers) { + return -1; + } + float distance; float best_distance = FLT_MAX; - int pwhich = -1; + int n = 0; + int which = -1; - which = 0; - pwhich = 0; - - for (vector::iterator i = speakers.speakers().begin(); i != speakers.speakers().end(); ++i, ++pwhich) { + for (vector::iterator i = speakers->speakers().begin(); i != speakers->speakers().end(); ++i, ++n) { Speaker& candidate (*i); - CartesianVector c; candidate.angles().cartesian (c); @@ -309,18 +387,18 @@ SpeakerDialog::find_closest_object (gdouble x, gdouble y, int& which) distance = sqrt ((c.x - x) * (c.x - x) + (c.y - y) * (c.y - y)); + if (distance < best_distance) { best_distance = distance; - which = pwhich; + which = n; } } - - if (best_distance > 20) { // arbitrary - return 0; + if (best_distance > 20) { // arbitrary + return -1; } - return 1; + return which; } bool @@ -343,6 +421,11 @@ SpeakerDialog::darea_motion_notify_event (GdkEventMotion *ev) bool SpeakerDialog::handle_motion (gint evx, gint evy, GdkModifierType state) { + boost::shared_ptr speakers = _speakers.lock (); + if (!speakers) { + return false; + } + if (drag_index < 0) { return false; } @@ -351,21 +434,32 @@ SpeakerDialog::handle_motion (gint evx, gint evy, GdkModifierType state) return false; } + /* correct event coordinates to have their origin at the corner of our graphic + rather than the corner of our allocation */ + + double obx = evx - x_origin; + double oby = evy - y_origin; + + /* and compensate for any distance between the mouse pointer and the centre + of the object being dragged */ + + obx -= drag_offset_x; + oby -= drag_offset_y; if (state & GDK_BUTTON1_MASK && !(state & GDK_BUTTON2_MASK)) { CartesianVector c; bool need_move = false; - Speaker& moving (speakers.speakers()[drag_index]); + Speaker& moving (speakers->speakers()[drag_index]); moving.angles().cartesian (c); cart_to_gtk (c); - if ((evx != c.x) || (evy != c.y)) { + if (obx != c.x || oby != c.y) { need_move = true; } if (need_move) { - CartesianVector cp (evx, evy, 0.0); + CartesianVector cp (obx, oby, 0.0); /* canonicalize position */ @@ -374,18 +468,118 @@ SpeakerDialog::handle_motion (gint evx, gint evy, GdkModifierType state) /* position actual signal on circle */ clamp_to_circle (cp.x, cp.y); - + /* generate an angular representation and set drag target (GUI) position */ - AngularVector a; + AngularVector a; cp.angular (a); - moving.move (a); + moving.move (a); queue_draw (); } - } + } return true; } + +void +SpeakerDialog::add_speaker () +{ + boost::shared_ptr speakers = _speakers.lock (); + if (!speakers) { + return; + } + + speakers->add_speaker (PBD::AngularVector (0, 0, 0)); + queue_draw (); +} + +void +SpeakerDialog::set_selected (int i) +{ + boost::shared_ptr speakers = _speakers.lock (); + if (!speakers) { + return; + } + + if (i == selected_index) { + return; + } + + selected_index = i; + queue_draw (); + + selected_speaker_connection.disconnect (); + + azimuth_spinner.set_sensitive (selected_index != -1); + remove_speaker_button.set_sensitive (selected_index != -1); + + if (selected_index != -1) { + azimuth_adjustment.set_value (speakers->speakers()[selected_index].angles().azi); + speakers->speakers()[selected_index].PositionChanged.connect ( + selected_speaker_connection, MISSING_INVALIDATOR, + boost::bind (&SpeakerDialog::speaker_position_changed, this), + gui_context () + ); + } +} + +void +SpeakerDialog::azimuth_changed () +{ + boost::shared_ptr speakers = _speakers.lock (); + if (!speakers) { + return; + } + + assert (selected_index != -1); + + if (ignore_azimuth_change) { + return; + } + + ignore_speaker_position_change = true; + speakers->move_speaker (speakers->speakers()[selected_index].id, PBD::AngularVector (azimuth_adjustment.get_value (), 0, 0)); + ignore_speaker_position_change = false; + + queue_draw (); +} + +void +SpeakerDialog::speaker_position_changed () +{ + boost::shared_ptr speakers = _speakers.lock (); + if (!speakers) { + return; + } + + assert (selected_index != -1); + + if (ignore_speaker_position_change) { + return; + } + + ignore_azimuth_change = true; + azimuth_adjustment.set_value (speakers->speakers()[selected_index].angles().azi); + ignore_azimuth_change = false; + + queue_draw (); +} + +void +SpeakerDialog::remove_speaker () +{ + boost::shared_ptr speakers = _speakers.lock (); + if (!speakers) { + return; + } + + assert (selected_index != -1); + + speakers->remove_speaker (speakers->speakers()[selected_index].id); + set_selected (-1); + + queue_draw (); +}