X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=gtk2_ardour%2Fpanner2d.cc;h=070068505689da4876c9b2cd7452c93bdba13299;hb=04db4c788c8bf5070eb13b9165277ea81ab50070;hp=6fa64be8e60e5d6a71869ad6a72683ba62c1cbdc;hpb=68e943265edf04e63a8e8b8f62bab20f99d9c637;p=ardour.git diff --git a/gtk2_ardour/panner2d.cc b/gtk2_ardour/panner2d.cc index 6fa64be8e6..0700685056 100644 --- a/gtk2_ardour/panner2d.cc +++ b/gtk2_ardour/panner2d.cc @@ -19,13 +19,14 @@ #include #include -#include +#include +#include #include -#include -#include -#include +#include "pbd/error.h" +#include "pbd/cartesian.h" +#include "ardour/panner.h" #include #include "panner2d.h" @@ -36,94 +37,122 @@ using namespace std; using namespace Gtk; -using namespace sigc; using namespace ARDOUR; using namespace PBD; +using Gtkmm2ext::Keyboard; -Panner2d::Target::Target (float xa, float ya, const char *txt) - : x (xa), y (ya), text (txt ? strdup (txt) : 0) +Panner2d::Target::Target (const AngularVector& a, const char *txt) + : position (a) + , text (txt) + , _selected (false) { - if (text) { - textlen = strlen (txt); - } else { - textlen = 0; - } } Panner2d::Target::~Target () -{ - if (text) { - free (text); - } +{ } -Panner2d::Panner2d (Panner& p, int32_t h) - : panner (p), width (0), height (h) +void +Panner2d::Target::set_text (const char* txt) { - context_menu = 0; - bypass_menu_item = 0; + text = txt; +} - allow_x = false; - allow_y = false; - allow_target = false; +Panner2d::Panner2d (boost::shared_ptr p, int32_t h) + : panner (p), width (0), height (h) +{ + panner->StateChanged.connect (state_connection, invalidator (*this), boost::bind (&Panner2d::handle_state_change, this), gui_context()); + panner->Changed.connect (change_connection, invalidator (*this), boost::bind (&Panner2d::handle_position_change, this), gui_context()); - panner.StateChanged.connect (mem_fun(*this, &Panner2d::handle_state_change)); - drag_target = 0; set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::POINTER_MOTION_MASK); - } Panner2d::~Panner2d() { for (Targets::iterator i = targets.begin(); i != targets.end(); ++i) { - delete i->second; + delete *i; } } void Panner2d::reset (uint32_t n_inputs) { - /* add pucks */ - - drop_pucks (); - + Targets::size_type existing_pucks = pucks.size(); + + /* pucks */ + + while (pucks.size() < n_inputs) { + add_puck ("", AngularVector()); + } + + if (pucks.size() > n_inputs) { + for (uint32_t i = pucks.size(); i < n_inputs; ++i) { + delete pucks[i]; + } + + pucks.resize (n_inputs); + } + + for (Targets::iterator x = pucks.begin(); x != pucks.end(); ++x) { + (*x)->visible = false; + } + switch (n_inputs) { case 0: break; - + case 1: - add_puck ("", 0.0f, 0.5f); + pucks[0]->set_text (""); break; - + case 2: - add_puck ("L", 0.5f, 0.25f); - add_puck ("R", 0.25f, 0.5f); - show_puck (0); - show_puck (1); + pucks[0]->set_text ("R"); + pucks[1]->set_text ("L"); break; - + default: for (uint32_t i = 0; i < n_inputs; ++i) { char buf[64]; - snprintf (buf, sizeof (buf), "%" PRIu32, i); - add_puck (buf, 0.0f, 0.5f); - show_puck (i); + snprintf (buf, sizeof (buf), "%" PRIu32, i + 1); + pucks[i]->set_text (buf); } break; } - + + for (uint32_t i = existing_pucks; i < n_inputs; ++i) { + pucks[i]->position = panner->streampanner (i).get_position (); + pucks[i]->visible = true; + } + /* add all outputs */ - - drop_targets (); - - for (uint32_t n = 0; n < panner.nouts(); ++n) { - add_target (panner.output (n).x, panner.output (n).y); + + while (targets.size() < panner->nouts()) { + add_target (AngularVector()); } - - allow_x_motion (true); - allow_y_motion (true); - allow_target_motion (true); + + if (targets.size() > panner->nouts()) { + for (uint32_t i = panner->nouts(); i < targets.size(); ++i) { + delete targets[i]; + } + + targets.resize (panner->nouts ()); + } + + for (Targets::iterator x = targets.begin(); x != targets.end(); ++x) { + (*x)->visible = false; + } + + for (uint32_t n = 0; n < panner->nouts(); ++n) { + char buf[16]; + + snprintf (buf, sizeof (buf), "%d", n+1); + targets[n]->set_text (buf); + targets[n]->position = panner->output(n).position; + targets[n]->visible = true; + } + + queue_draw (); } void @@ -132,228 +161,114 @@ Panner2d::on_size_allocate (Gtk::Allocation& alloc) width = alloc.get_width(); height = alloc.get_height(); + if (height > 100) { + width -= 20; + height -= 20; + } + DrawingArea::on_size_allocate (alloc); } int -Panner2d::add_puck (const char* text, float x, float y) +Panner2d::add_puck (const char* text, const AngularVector& a) { - Target* puck = new Target (x, y, text); - - pair newpair; - newpair.first = pucks.size(); - newpair.second = puck; - - pucks.insert (newpair); + Target* puck = new Target (a, text); + pucks.push_back (puck); puck->visible = true; - + return 0; } int -Panner2d::add_target (float x, float y) +Panner2d::add_target (const AngularVector& a) { - Target *target = new Target (x, y, ""); - - pair newpair; - newpair.first = targets.size(); - newpair.second = target; - - targets.insert (newpair); + Target* target = new Target (a, ""); + targets.push_back (target); target->visible = true; queue_draw (); - return newpair.first; + return targets.size() - 1; } void -Panner2d::drop_targets () +Panner2d::handle_state_change () { - for (Targets::iterator i = targets.begin(); i != targets.end(); ) { - - Targets::iterator tmp; - - tmp = i; - ++tmp; - - delete i->second; - targets.erase (i); - - i = tmp; - } + ENSURE_GUI_THREAD (*this, &Panner2d::handle_state_change) queue_draw (); } void -Panner2d::drop_pucks () +Panner2d::handle_position_change () { - for (Targets::iterator i = pucks.begin(); i != pucks.end(); ) { - - Targets::iterator tmp; - - tmp = i; - ++tmp; - - delete i->second; - pucks.erase (i); + uint32_t n; + ENSURE_GUI_THREAD (*this, &Panner2d::handle_position_change) - i = tmp; + for (n = 0; n < pucks.size(); ++n) { + pucks[n]->position = panner->streampanner(n).get_position (); } - queue_draw (); -} - -void -Panner2d::remove_target (int which) -{ - Targets::iterator i = targets.find (which); - - if (i != targets.end()) { - delete i->second; - targets.erase (i); - queue_draw (); + for (n = 0; n < targets.size(); ++n) { + targets[n]->position = panner->output(n).position; } -} - -void -Panner2d::handle_state_change () -{ - ENSURE_GUI_THREAD(mem_fun(*this, &Panner2d::handle_state_change)); queue_draw (); } void -Panner2d::move_target (int which, float x, float y) +Panner2d::move_puck (int which, const AngularVector& a) { - Targets::iterator i = targets.find (which); - Target *target; - - if (!allow_target) { + if (which >= int (targets.size())) { return; } - - if (i != targets.end()) { - target = i->second; - target->x = x; - target->y = y; - - queue_draw (); - } -} - -void -Panner2d::move_puck (int which, float x, float y) -{ - Targets::iterator i = pucks.find (which); - Target *target; - - if (i != pucks.end()) { - target = i->second; - target->x = x; - target->y = y; - - queue_draw (); - } -} - -void -Panner2d::show_puck (int which) -{ - Targets::iterator i = pucks.find (which); - - if (i != pucks.end()) { - Target* puck = i->second; - if (!puck->visible) { - puck->visible = true; - queue_draw (); - } - } -} - -void -Panner2d::hide_puck (int which) -{ - Targets::iterator i = pucks.find (which); - - if (i != pucks.end()) { - Target* puck = i->second; - if (!puck->visible) { - puck->visible = false; - queue_draw (); - } - } -} - -void -Panner2d::show_target (int which) -{ - Targets::iterator i = targets.find (which); - if (i != targets.end()) { - if (!i->second->visible) { - i->second->visible = true; - queue_draw (); - } - } -} - -void -Panner2d::hide_target (int which) -{ - Targets::iterator i = targets.find (which); - if (i != targets.end()) { - if (i->second->visible) { - i->second->visible = false; - queue_draw (); - } - } + + targets[which]->position = a; + queue_draw (); } Panner2d::Target * -Panner2d::find_closest_object (gdouble x, gdouble y, int& which, bool& is_puck) const +Panner2d::find_closest_object (gdouble x, gdouble y, int& which) const { - gdouble efx, efy; Target *closest = 0; Target *candidate; float distance; float best_distance = FLT_MAX; int pwhich; - efx = x/width; - efy = y/height; which = 0; pwhich = 0; - is_puck = false; - for (Targets::const_iterator i = targets.begin(); i != targets.end(); ++i, ++which) { - candidate = i->second; + cerr << "@ " << x << ", " << y << endl; - distance = sqrt ((candidate->x - efx) * (candidate->x - efx) + - (candidate->y - efy) * (candidate->y - efy)); + for (Targets::const_iterator i = pucks.begin(); i != pucks.end(); ++i, ++pwhich) { + candidate = *i; - if (distance < best_distance) { - closest = candidate; - best_distance = distance; - } - } + CartesianVector c; - for (Targets::const_iterator i = pucks.begin(); i != pucks.end(); ++i, ++pwhich) { - candidate = i->second; + candidate->position.cartesian (c); + cart_to_gtk (c); + + distance = sqrt ((c.x - x) * (c.x - x) + + (c.y - y) * (c.y - y)); - distance = sqrt ((candidate->x - efx) * (candidate->x - efx) + - (candidate->y - efy) * (candidate->y - efy)); + cerr << "\tConsider candiate " << candidate->text << " @ " << c.x << ", " << c.y << ", " << c.z << " distance = " << distance << endl; if (distance < best_distance) { closest = candidate; best_distance = distance; - is_puck = true; which = pwhich; } } - + + + if (best_distance > 20) { // arbitrary + return 0; + } + + cerr << "the winner is " << closest->text << endl; + return closest; -} +} bool Panner2d::on_motion_notify_event (GdkEventMotion *ev) @@ -368,276 +283,365 @@ Panner2d::on_motion_notify_event (GdkEventMotion *ev) y = (int) floor (ev->y); state = (GdkModifierType) ev->state; } + return handle_motion (x, y, state); } -gint -Panner2d::handle_motion (gint evx, gint evy, GdkModifierType state) +bool +Panner2d::on_expose_event (GdkEventExpose *event) { - if (drag_target == 0 || (state & GDK_BUTTON1_MASK) == 0) { - return FALSE; - } + gint x, y; + cairo_t* cr; - int x, y; - bool need_move = false; + cr = gdk_cairo_create (get_window()->gobj()); - if (!drag_is_puck && !allow_target) { - return TRUE; - } + cairo_set_line_width (cr, 1.0); - if (allow_x || !drag_is_puck) { - float new_x; - x = min (evx, width - 1); - x = max (x, 0); - new_x = (float) x / (width - 1); - if (new_x != drag_target->x) { - drag_target->x = new_x; - need_move = true; - } + cairo_rectangle (cr, event->area.x, event->area.y, event->area.width, event->area.height); + if (!panner->bypassed()) { + cairo_set_source_rgba (cr, 0.1, 0.1, 0.1, 1.0); + } else { + cairo_set_source_rgba (cr, 0.1, 0.1, 0.1, 0.2); } + cairo_fill_preserve (cr); + cairo_clip (cr); - if (allow_y || drag_is_puck) { - float new_y; - y = min (evy, height - 1); - y = max (y, 0); - new_y = (float) y / (height - 1); - if (new_y != drag_target->y) { - drag_target->y = new_y; - need_move = true; - } + if (height > 100) { + cairo_translate (cr, 10.0, 10.0); } - if (need_move) { - queue_draw (); + /* horizontal line of "crosshairs" */ - if (drag_is_puck) { - - panner[drag_index]->set_position (drag_target->x, drag_target->y); + cairo_set_source_rgb (cr, 0.0, 0.1, 0.7); + cairo_move_to (cr, 0.5, height/2.0+0.5); + cairo_line_to (cr, width+0.5, height/2+0.5); + cairo_stroke (cr); - } else { - - TargetMoved (drag_index); - } - } - - return TRUE; -} + /* 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); -bool -Panner2d::on_expose_event (GdkEventExpose *event) -{ - gint x, y; - float fx, fy; + /* the circle on which signals live */ - if (layout == 0) { - layout = create_pango_layout (""); - layout->set_font_description (get_style()->get_font()); - } + cairo_arc (cr, width/2, height/2, height/2, 0, 2.0 * M_PI); + cairo_stroke (cr); - /* redraw the background */ + if (!panner->bypassed()) { + float arc_radius; - get_window()->draw_rectangle (get_style()->get_bg_gc(get_state()), - true, - event->area.x, event->area.y, - event->area.width, event->area.height); - + cairo_select_font_face (cr, "sans", CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_NORMAL); - if (!panner.bypassed()) { + if (height < 100) { + cairo_set_font_size (cr, 10); + arc_radius = 2.0; + } else { + cairo_set_font_size (cr, 16); + arc_radius = 4.0; + } for (Targets::iterator i = pucks.begin(); i != pucks.end(); ++i) { - Target* puck = i->second; + Target* puck = *i; if (puck->visible) { /* redraw puck */ - - fx = min (puck->x, 1.0f); - fx = max (fx, -1.0f); - x = (gint) floor (width * fx - 4); - - fy = min (puck->y, 1.0f); - fy = max (fy, -1.0f); - y = (gint) floor (height * fy - 4); - - get_window()->draw_arc (get_style()->get_fg_gc(Gtk::STATE_NORMAL), - true, - x, y, - 8, 8, - 0, 360 * 64); - - layout->set_text (puck->text); - - get_window()->draw_layout (get_style()->get_fg_gc (STATE_NORMAL), x+6, y+6, layout); + + CartesianVector c; + + puck->position.cartesian (c); + 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), "%s:%d", puck->text.c_str(), (int) lrint (puck->position.azi)); + cairo_show_text (cr, buf); } } /* redraw any visible targets */ + int n = 0; + for (Targets::iterator i = targets.begin(); i != targets.end(); ++i) { - Target *target = i->second; + Target *target = *i; + char buf[256]; + ++n; if (target->visible) { - - /* why -8 ??? why is this necessary ? */ - - fx = min (target->x, 1.0f); - fx = max (fx, -1.0f); - x = (gint) floor ((width - 8) * fx); - - fy = min (target->y, 1.0f); - fy = max (fy, -1.0f); - y = (gint) floor ((height - 8) * fy); - - get_window()->draw_rectangle (get_style()->get_fg_gc(Gtk::STATE_ACTIVE), - true, - x, y, - 4, 4); + + CartesianVector c; + + target->position.cartesian (c); + cart_to_gtk (c); + + x = (int) floor (c.x); + y = (int) floor (c.y); + + snprintf (buf, sizeof (buf), "%d", n); + + cairo_set_source_rgb (cr, 0.0, 0.8, 0.1); + cairo_rectangle (cr, x-2, y-2, 4, 4); + cairo_fill (cr); + cairo_move_to (cr, x+6, y+6); + cairo_show_text (cr, buf); + } } } + cairo_destroy (cr); + return TRUE; } bool Panner2d::on_button_press_event (GdkEventButton *ev) { + GdkModifierType state; + + if (ev->type == GDK_2BUTTON_PRESS && ev->button == 1) { + return false; + } + switch (ev->button) { case 1: - gint x, y; - GdkModifierType state; + case 2: + if ((drag_target = find_closest_object (ev->x, ev->y, drag_index)) != 0) { + drag_target->set_selected (true); + } - drag_target = find_closest_object (ev->x, ev->y, drag_index, drag_is_puck); - - x = (int) floor (ev->x); - y = (int) floor (ev->y); + drag_x = (int) floor (ev->x); + drag_y = (int) floor (ev->y); state = (GdkModifierType) ev->state; - return handle_motion (x, y, state); + return handle_motion (drag_x, drag_y, state); break; + default: break; } - + return FALSE; } bool Panner2d::on_button_release_event (GdkEventButton *ev) { + gint x, y; + GdkModifierType state; + bool ret = false; + switch (ev->button) { case 1: - gint x, y; - int ret; - GdkModifierType state; - x = (int) floor (ev->x); y = (int) floor (ev->y); state = (GdkModifierType) ev->state; - if (drag_is_puck && (Keyboard::modifier_state_contains (state, Keyboard::TertiaryModifier))) { - + if (Keyboard::modifier_state_contains (state, Keyboard::TertiaryModifier)) { + for (Targets::iterator i = pucks.begin(); i != pucks.end(); ++i) { - Target* puck = i->second; - puck->x = 0.5; - puck->y = 0.5; + //Target* puck = i->second; + /* XXX DO SOMETHING TO SET PUCK BACK TO "normal" */ } queue_draw (); PuckMoved (-1); - ret = TRUE; + ret = true; } else { ret = handle_motion (x, y, state); } - - drag_target = 0; - return ret; + drag_target = 0; break; + case 2: - toggle_bypass (); - return TRUE; + x = (int) floor (ev->x); + y = (int) floor (ev->y); + state = (GdkModifierType) ev->state; + + if (Keyboard::modifier_state_contains (state, Keyboard::TertiaryModifier)) { + toggle_bypass (); + ret = true; + } else { + ret = handle_motion (x, y, state); + } + + drag_target = 0; + break; case 3: - show_context_menu (); break; } - return FALSE; + return ret; } -void -Panner2d::toggle_bypass () +gint +Panner2d::handle_motion (gint evx, gint evy, GdkModifierType state) { - if (bypass_menu_item && (panner.bypassed() != bypass_menu_item->get_active())) { - panner.set_bypassed (!panner.bypassed()); + if (drag_target == 0) { + return false; } + + if ((state & (GDK_BUTTON1_MASK|GDK_BUTTON2_MASK)) == 0) { + return false; + } + + + if (state & GDK_BUTTON1_MASK && !(state & GDK_BUTTON2_MASK)) { + CartesianVector c; + bool need_move = false; + + drag_target->position.cartesian (c); + cart_to_gtk (c); + + if ((evx != c.x) || (evy != c.y)) { + need_move = true; + } + + if (need_move) { + CartesianVector cp (evx, evy, 0.0); + + /* canonicalize position */ + + gtk_to_cart (cp); + + /* position actual signal on circle */ + + clamp_to_circle (cp.x, cp.y); + + /* generate an angular representation and set drag target (GUI) position */ + + cp.angular (drag_target->position); /* sets drag target position */ + + panner->streampanner (drag_index).set_position (drag_target->position); + + queue_draw (); + } + } + + return true; } void -Panner2d::show_context_menu () +Panner2d::cart_to_gtk (CartesianVector& c) const { - using namespace Menu_Helpers; + /* "c" uses a coordinate space that is: + + center = 0.0 + dimension = 2.0 * 2.0 + so max values along each axis are -1..+1 - if (context_menu == 0) { - context_menu = manage (new Menu); - context_menu->set_name ("ArdourContextMenu"); - MenuList& items = context_menu->items(); + GTK uses a coordinate space that is: - items.push_back (CheckMenuElem (_("Bypass"))); - bypass_menu_item = static_cast (&items.back()); - bypass_menu_item->signal_toggled().connect (mem_fun(*this, &Panner2d::toggle_bypass)); + top left = 0.0 + dimension = width * height + so max values along each axis are 0,width and + 0,height + */ - } + c.x = (width / 2) * (c.x + 1); + c.y = (height / 2) * (1 - c.y); - bypass_menu_item->set_active (panner.bypassed()); - context_menu->popup (1, gtk_get_current_event_time()); + /* XXX z-axis not handled - 2D for now */ } void -Panner2d::allow_x_motion (bool yn) +Panner2d::gtk_to_cart (CartesianVector& c) const { - allow_x = yn; + c.x = (c.x / (width / 2.0)) - 1.0; + c.y = -((c.y / (height / 2.0)) - 1.0); + + /* XXX z-axis not handled - 2D for now */ } void -Panner2d::allow_target_motion (bool yn) +Panner2d::clamp_to_circle (double& x, double& y) { - allow_target = yn; + 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); } void -Panner2d::allow_y_motion (bool yn) +Panner2d::toggle_bypass () { - allow_y = yn; + panner->set_bypassed (!panner->bypassed()); } -int -Panner2d::puck_position (int which, float& x, float& y) +Panner2dWindow::Panner2dWindow (boost::shared_ptr p, int32_t h, uint32_t inputs) + : widget (p, h) + , reset_button (_("Reset")) + , bypass_button (_("Bypass")) + , mute_button (_("Mute")) { - Targets::iterator i; - - if ((i = pucks.find (which)) != pucks.end()) { - x = i->second->x; - y = i->second->y; - return 0; - } - - return -1; + widget.set_name ("MixerPanZone"); + + set_title (_("Panner")); + widget.set_size_request (h, h); + + button_box.set_spacing (6); + button_box.pack_start (reset_button, false, false); + button_box.pack_start (bypass_button, false, false); + button_box.pack_start (mute_button, false, false); + + spinner_box.set_spacing (6); + left_side.set_spacing (6); + + left_side.pack_start (button_box, false, false); + left_side.pack_start (spinner_box, false, false); + + reset_button.show (); + bypass_button.show (); + mute_button.show (); + button_box.show (); + spinner_box.show (); + left_side.show (); + + hpacker.set_spacing (6); + hpacker.set_border_width (12); + hpacker.pack_start (widget, false, false); + hpacker.pack_start (left_side, false, false); + hpacker.show (); + + add (hpacker); + reset (inputs); + widget.show (); } -int -Panner2d::target_position (int which, float& x, float& y) +void +Panner2dWindow::reset (uint32_t n_inputs) { - Targets::iterator i; - - if ((i = targets.find (which)) != targets.end()) { - x = i->second->x; - y = i->second->y; - return 0; + widget.reset (n_inputs); + +#if 0 + while (spinners.size() < n_inputs) { + // spinners.push_back (new Gtk::SpinButton (widget.azimuth (spinners.size()))); + //spinner_box.pack_start (*spinners.back(), false, false); + //spinners.back()->set_digits (4); + spinners.back()->show (); } - return -1; + while (spinners.size() > n_inputs) { + spinner_box.remove (*spinners.back()); + delete spinners.back(); + spinners.erase (--spinners.end()); + } +#endif } -