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Diffstat (limited to 'src/gui/GraphCanvas.cpp')
| -rw-r--r-- | src/gui/GraphCanvas.cpp | 898 |
1 files changed, 898 insertions, 0 deletions
diff --git a/src/gui/GraphCanvas.cpp b/src/gui/GraphCanvas.cpp new file mode 100644 index 00000000..a17915a5 --- /dev/null +++ b/src/gui/GraphCanvas.cpp @@ -0,0 +1,898 @@ +/* + This file is part of Ingen. + Copyright 2007-2016 David Robillard <http://drobilla.net/> + + Ingen is free software: you can redistribute it and/or modify it under the + terms of the GNU Affero General Public License as published by the Free + Software Foundation, either version 3 of the License, or any later version. + + Ingen 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 Affero General Public License for details. + + You should have received a copy of the GNU Affero General Public License + along with Ingen. If not, see <http://www.gnu.org/licenses/>. +*/ + +#include <algorithm> +#include <cassert> +#include <map> +#include <set> +#include <string> + +#include <boost/optional.hpp> +#include <gtkmm/stock.h> + +#include "ganv/Canvas.hpp" +#include "ganv/Circle.hpp" +#include "ingen/ClashAvoider.hpp" +#include "ingen/Configuration.hpp" +#include "ingen/Interface.hpp" +#include "ingen/Log.hpp" +#include "ingen/Serialiser.hpp" +#include "ingen/World.hpp" +#include "ingen/client/BlockModel.hpp" +#include "ingen/client/ClientStore.hpp" +#include "ingen/client/GraphModel.hpp" +#include "ingen/client/PluginModel.hpp" +#include "ingen/ingen.h" +#include "lv2/lv2plug.in/ns/ext/atom/atom.h" + +#include "App.hpp" +#include "Arc.hpp" +#include "GraphCanvas.hpp" +#include "GraphPortModule.hpp" +#include "GraphWindow.hpp" +#include "LoadPluginWindow.hpp" +#include "NewSubgraphWindow.hpp" +#include "NodeModule.hpp" +#include "PluginMenu.hpp" +#include "Port.hpp" +#include "SubgraphModule.hpp" +#include "ThreadedLoader.hpp" +#include "WidgetFactory.hpp" +#include "WindowFactory.hpp" + +using std::string; + +namespace Ingen { + +using namespace Client; + +namespace GUI { + +static int +port_order(const GanvPort* a, const GanvPort* b, void* data) +{ + const Port* pa = dynamic_cast<const Port*>(Glib::wrap(a)); + const Port* pb = dynamic_cast<const Port*>(Glib::wrap(b)); + if (pa && pb) { + return ((int)pa->model()->index() - (int)pb->model()->index()); + } + return 0; +} + +GraphCanvas::GraphCanvas(App& app, + SPtr<const GraphModel> graph, + int width, + int height) + : Canvas(width, height) + , _app(app) + , _graph(std::move(graph)) + , _auto_position_count(0) + , _menu_x(0) + , _menu_y(0) + , _paste_count(0) + , _menu(nullptr) + , _internal_menu(nullptr) + , _plugin_menu(nullptr) + , _human_names(true) + , _show_port_names(true) + , _menu_dirty(false) +{ + Glib::RefPtr<Gtk::Builder> xml = WidgetFactory::create("canvas_menu"); + xml->get_widget("canvas_menu", _menu); + + xml->get_widget("canvas_menu_add_audio_input", _menu_add_audio_input); + xml->get_widget("canvas_menu_add_audio_output", _menu_add_audio_output); + xml->get_widget("canvas_menu_add_cv_input", _menu_add_cv_input); + xml->get_widget("canvas_menu_add_cv_output", _menu_add_cv_output); + xml->get_widget("canvas_menu_add_control_input", _menu_add_control_input); + xml->get_widget("canvas_menu_add_control_output", _menu_add_control_output); + xml->get_widget("canvas_menu_add_event_input", _menu_add_event_input); + xml->get_widget("canvas_menu_add_event_output", _menu_add_event_output); + xml->get_widget("canvas_menu_load_plugin", _menu_load_plugin); + xml->get_widget("canvas_menu_load_graph", _menu_load_graph); + xml->get_widget("canvas_menu_new_graph", _menu_new_graph); + xml->get_widget("canvas_menu_edit", _menu_edit); + xml->get_widget("canvas_menu_properties", _menu_properties); + + const URIs& uris = _app.uris(); + + // Add port menu items + _menu_add_audio_input->signal_activate().connect( + sigc::bind(sigc::mem_fun(this, &GraphCanvas::menu_add_port), + "audio_in", "Audio In", uris.lv2_AudioPort, false)); + _menu_add_audio_output->signal_activate().connect( + sigc::bind(sigc::mem_fun(this, &GraphCanvas::menu_add_port), + "audio_out", "Audio Out", uris.lv2_AudioPort, true)); + _menu_add_cv_input->signal_activate().connect( + sigc::bind(sigc::mem_fun(this, &GraphCanvas::menu_add_port), + "cv_in", "CV In", uris.lv2_CVPort, false)); + _menu_add_cv_output->signal_activate().connect( + sigc::bind(sigc::mem_fun(this, &GraphCanvas::menu_add_port), + "cv_out", "CV Out", uris.lv2_CVPort, true)); + _menu_add_control_input->signal_activate().connect( + sigc::bind(sigc::mem_fun(this, &GraphCanvas::menu_add_port), + "control_in", "Control In", uris.lv2_ControlPort, false)); + _menu_add_control_output->signal_activate().connect( + sigc::bind(sigc::mem_fun(this, &GraphCanvas::menu_add_port), + "control_out", "Control Out", uris.lv2_ControlPort, true)); + _menu_add_event_input->signal_activate().connect( + sigc::bind(sigc::mem_fun(this, &GraphCanvas::menu_add_port), + "event_in", "Event In", uris.atom_AtomPort, false)); + _menu_add_event_output->signal_activate().connect( + sigc::bind(sigc::mem_fun(this, &GraphCanvas::menu_add_port), + "event_out", "Event Out", uris.atom_AtomPort, true)); + + signal_event.connect( + sigc::mem_fun(this, &GraphCanvas::on_event)); + signal_connect.connect( + sigc::mem_fun(this, &GraphCanvas::connect)); + signal_disconnect.connect( + sigc::mem_fun(this, &GraphCanvas::disconnect)); + + // Connect to model signals to track state + _graph->signal_new_block().connect( + sigc::mem_fun(this, &GraphCanvas::add_block)); + _graph->signal_removed_block().connect( + sigc::mem_fun(this, &GraphCanvas::remove_block)); + _graph->signal_new_port().connect( + sigc::mem_fun(this, &GraphCanvas::add_port)); + _graph->signal_removed_port().connect( + sigc::mem_fun(this, &GraphCanvas::remove_port)); + _graph->signal_new_arc().connect( + sigc::mem_fun(this, &GraphCanvas::connection)); + _graph->signal_removed_arc().connect( + sigc::mem_fun(this, &GraphCanvas::disconnection)); + + _app.store()->signal_new_plugin().connect( + sigc::mem_fun(this, &GraphCanvas::add_plugin)); + _app.store()->signal_plugin_deleted().connect( + sigc::mem_fun(this, &GraphCanvas::remove_plugin)); + + // Connect widget signals to do things + _menu_load_plugin->signal_activate().connect( + sigc::mem_fun(this, &GraphCanvas::menu_load_plugin)); + _menu_load_graph->signal_activate().connect( + sigc::mem_fun(this, &GraphCanvas::menu_load_graph)); + _menu_new_graph->signal_activate().connect( + sigc::mem_fun(this, &GraphCanvas::menu_new_graph)); + _menu_properties->signal_activate().connect( + sigc::mem_fun(this, &GraphCanvas::menu_properties)); + + show_human_names(app.world()->conf().option("human-names").get<int32_t>()); + show_port_names(app.world()->conf().option("port-labels").get<int32_t>()); + set_port_order(port_order, nullptr); +} + +void +GraphCanvas::show_menu(bool position, unsigned button, uint32_t time) +{ + _app.request_plugins_if_necessary(); + + if (!_internal_menu || _menu_dirty) { + build_menus(); + } + + if (position) { + _menu->popup(sigc::mem_fun(this, &GraphCanvas::auto_menu_position), button, time); + } else { + _menu->popup(button, time); + } +} + +void +GraphCanvas::build_menus() +{ + // Build (or clear existing) internal plugin menu + if (_internal_menu) { + _internal_menu->items().clear(); + } else { + _menu->items().push_back( + Gtk::Menu_Helpers::ImageMenuElem( + "In_ternal", + *(manage(new Gtk::Image(Gtk::Stock::EXECUTE, Gtk::ICON_SIZE_MENU))))); + Gtk::MenuItem* internal_menu_item = &(_menu->items().back()); + _internal_menu = Gtk::manage(new Gtk::Menu()); + internal_menu_item->set_submenu(*_internal_menu); + _menu->reorder_child(*internal_menu_item, 4); + } + + // Build skeleton LV2 plugin class heirarchy for 'Plugin' menu + if (_plugin_menu) { + _plugin_menu->clear(); + } else { + _plugin_menu = Gtk::manage(new PluginMenu(*_app.world())); + _menu->items().push_back( + Gtk::Menu_Helpers::ImageMenuElem( + "_Plugin", + *(manage(new Gtk::Image(Gtk::Stock::EXECUTE, Gtk::ICON_SIZE_MENU))))); + Gtk::MenuItem* plugin_menu_item = &(_menu->items().back()); + plugin_menu_item->set_submenu(*_plugin_menu); + _menu->reorder_child(*plugin_menu_item, 5); + _plugin_menu->signal_load_plugin.connect( + sigc::mem_fun(this, &GraphCanvas::load_plugin)); + } + + // Add known plugins to menu heirarchy + SPtr<const ClientStore::Plugins> plugins = _app.store()->plugins(); + for (const auto& p : *plugins.get()) { + add_plugin(p.second); + } + + _menu_dirty = false; +} + +void +GraphCanvas::build() +{ + const Store::const_range kids = _app.store()->children_range(_graph); + + // Create modules for blocks + for (Store::const_iterator i = kids.first; i != kids.second; ++i) { + SPtr<BlockModel> block = dynamic_ptr_cast<BlockModel>(i->second); + if (block && block->parent() == _graph) { + add_block(block); + } + } + + // Create pseudo modules for ports (ports on this canvas, not on our module) + for (const auto& p : _graph->ports()) { + add_port(p); + } + + // Create arcs + for (const auto& a : _graph->arcs()) { + connection(dynamic_ptr_cast<ArcModel>(a.second)); + } +} + +static void +show_module_human_names(GanvNode* node, void* data) +{ + bool b = *(bool*)data; + if (GANV_IS_MODULE(node)) { + Ganv::Module* module = Glib::wrap(GANV_MODULE(node)); + NodeModule* nmod = dynamic_cast<NodeModule*>(module); + if (nmod) { + nmod->show_human_names(b); + } + + GraphPortModule* pmod = dynamic_cast<GraphPortModule*>(module); + if (pmod) { + pmod->show_human_names(b); + } + } +} + +void +GraphCanvas::show_human_names(bool b) +{ + _human_names = b; + _app.world()->conf().set("human-names", _app.forge().make(b)); + + for_each_node(show_module_human_names, &b); +} + +static void +ensure_port_labels(GanvNode* node, void* data) +{ + if (GANV_IS_MODULE(node)) { + Ganv::Module* module = Glib::wrap(GANV_MODULE(node)); + for (Ganv::Port* p : *module) { + Ingen::GUI::Port* port = dynamic_cast<Ingen::GUI::Port*>(p); + if (port) { + port->ensure_label(); + } + } + } +} + +void +GraphCanvas::show_port_names(bool b) +{ + ganv_canvas_set_direction(gobj(), b ? GANV_DIRECTION_RIGHT : GANV_DIRECTION_DOWN); + for_each_node(ensure_port_labels, &b); +} + +void +GraphCanvas::add_plugin(SPtr<PluginModel> p) +{ + if (_internal_menu && _app.uris().ingen_Internal == p->type()) { + _internal_menu->items().push_back( + Gtk::Menu_Helpers::MenuElem( + std::string("_") + p->human_name(), + sigc::bind(sigc::mem_fun(this, &GraphCanvas::load_plugin), p))); + } else if (_plugin_menu) { + _plugin_menu->add_plugin(p); + } +} + +void +GraphCanvas::remove_plugin(const URI& uri) +{ + // Flag menus as dirty so they will be rebuilt when needed next + _menu_dirty = true; +} + +void +GraphCanvas::add_block(SPtr<const BlockModel> bm) +{ + SPtr<const GraphModel> pm = dynamic_ptr_cast<const GraphModel>(bm); + NodeModule* module; + if (pm) { + module = SubgraphModule::create(*this, pm, _human_names); + } else { + module = NodeModule::create(*this, bm, _human_names); + } + + module->show(); + _views.emplace(bm, module); + if (_pastees.find(bm->path()) != _pastees.end()) { + module->set_selected(true); + } +} + +void +GraphCanvas::remove_block(SPtr<const BlockModel> bm) +{ + auto i = _views.find(bm); + + if (i != _views.end()) { + const guint n_ports = i->second->num_ports(); + for (gint p = n_ports - 1; p >= 0; --p) { + delete i->second->get_port(p); + } + delete i->second; + _views.erase(i); + } +} + +void +GraphCanvas::add_port(SPtr<const PortModel> pm) +{ + GraphPortModule* view = GraphPortModule::create(*this, pm); + _views.emplace(pm, view); + view->show(); +} + +void +GraphCanvas::remove_port(SPtr<const PortModel> pm) +{ + auto i = _views.find(pm); + + // Port on this graph + if (i != _views.end()) { + delete i->second; + _views.erase(i); + + } else { + NodeModule* module = dynamic_cast<NodeModule*>(_views[pm->parent()]); + module->delete_port_view(pm); + } + + assert(_views.find(pm) == _views.end()); +} + +Ganv::Port* +GraphCanvas::get_port_view(SPtr<PortModel> port) +{ + Ganv::Module* module = _views[port]; + + // Port on this graph + if (module) { + GraphPortModule* ppm = dynamic_cast<GraphPortModule*>(module); + return ppm + ? *ppm->begin() + : dynamic_cast<Ganv::Port*>(module); + } else { + module = dynamic_cast<NodeModule*>(_views[port->parent()]); + if (module) { + for (const auto& p : *module) { + GUI::Port* pv = dynamic_cast<GUI::Port*>(p); + if (pv && pv->model() == port) { + return pv; + } + } + } + } + + return nullptr; +} + +/** Called when a connection is added to the model. */ +void +GraphCanvas::connection(SPtr<const ArcModel> arc) +{ + Ganv::Port* const tail = get_port_view(arc->tail()); + Ganv::Port* const head = get_port_view(arc->head()); + + if (tail && head) { + new GUI::Arc(*this, arc, tail, head); + } else { + _app.log().error(fmt("Unable to find ports to connect %1% => %2%\n") + % arc->tail_path() % arc->head_path()); + } +} + +/** Called when a connection is removed from the model. */ +void +GraphCanvas::disconnection(SPtr<const ArcModel> arc) +{ + Ganv::Port* const tail = get_port_view(arc->tail()); + Ganv::Port* const head = get_port_view(arc->head()); + + if (tail && head) { + remove_edge_between(tail, head); + if (arc->head()->is_a(_app.uris().lv2_AudioPort)) { + GUI::Port* const h = dynamic_cast<GUI::Port*>(head); + if (h) { + h->activity(_app.forge().make(0.0f)); // Reset peaks + } + } + } else { + _app.log().error(fmt("Unable to find ports to disconnect %1% => %2%\n") + % arc->tail_path() % arc->head_path()); + } +} + +/** Called when the user connects ports on the canvas. */ +void +GraphCanvas::connect(Ganv::Node* tail, Ganv::Node* head) +{ + const GUI::Port* const t = dynamic_cast<GUI::Port*>(tail); + const GUI::Port* const h = dynamic_cast<GUI::Port*>(head); + + if (t && h) { + _app.interface()->connect(t->model()->path(), h->model()->path()); + } +} + +/** Called when the user disconnects ports on the canvas. */ +void +GraphCanvas::disconnect(Ganv::Node* tail, Ganv::Node* head) +{ + const GUI::Port* const t = dynamic_cast<GUI::Port*>(tail); + const GUI::Port* const h = dynamic_cast<GUI::Port*>(head); + + if (t && h) { + _app.interface()->disconnect(t->model()->path(), h->model()->path()); + } +} + +void +GraphCanvas::auto_menu_position(int& x, int& y, bool& push_in) +{ + std::pair<int, int> scroll_offsets; + get_scroll_offsets(scroll_offsets.first, scroll_offsets.second); + + if (_auto_position_count > 1 && scroll_offsets != _auto_position_scroll_offsets) { + // Scroll changed since last auto position, reset + _menu_x = 0; + _menu_y = 0; + _auto_position_count = 0; + } + + if (_menu_x == 0 && _menu_y == 0) { + // No menu position set, start near top left of canvas + widget().translate_coordinates( + *_app.window_factory()->graph_window(_graph), + 64, 64, _menu_x, _menu_y); + + int origin_x; + int origin_y; + widget().get_window()->get_origin(origin_x, origin_y); + _menu_x += origin_x; + _menu_y += origin_y; + } + + const int cascade = _auto_position_count * 32; + + x = _menu_x + cascade; + y = _menu_y + cascade; + push_in = true; + + ++_auto_position_count; + _auto_position_scroll_offsets = scroll_offsets; +} + +bool +GraphCanvas::on_event(GdkEvent* event) +{ + assert(event); + + bool ret = false; + + switch (event->type) { + case GDK_BUTTON_PRESS: + if (event->button.button == 3) { + _auto_position_count = 1; + _menu_x = (int)event->button.x_root; + _menu_y = (int)event->button.y_root; + show_menu(false, event->button.button, event->button.time); + ret = true; + } + break; + + case GDK_KEY_PRESS: + switch (event->key.keyval) { + case GDK_Delete: + destroy_selection(); + ret = true; + break; + case GDK_Home: + scroll_to(0, 0); + break; + case GDK_space: + case GDK_Menu: + show_menu(true, 3, event->key.time); + default: break; + } + + case GDK_MOTION_NOTIFY: + _paste_count = 0; + break; + + default: break; + } + + return ret; +} + +void +GraphCanvas::clear_selection() +{ + GraphWindow* win = _app.window_factory()->graph_window(_graph); + if (win) { + win->set_documentation("", false); + } + + Ganv::Canvas::clear_selection(); +} + +static void +destroy_node(GanvNode* node, void* data) +{ + if (!GANV_IS_MODULE(node)) { + return; + } + + App* app = (App*)data; + Ganv::Module* module = Glib::wrap(GANV_MODULE(node)); + NodeModule* node_module = dynamic_cast<NodeModule*>(module); + + if (node_module) { + app->interface()->del(node_module->block()->uri()); + } else { + GraphPortModule* port_module = dynamic_cast<GraphPortModule*>(module); + if (port_module && + strcmp(port_module->port()->path().symbol(), "control") && + strcmp(port_module->port()->path().symbol(), "notify")) { + app->interface()->del(port_module->port()->uri()); + } + } +} + +static void +destroy_arc(GanvEdge* arc, void* data) +{ + App* app = (App*)data; + Ganv::Edge* arcmm = Glib::wrap(arc); + + Port* tail = dynamic_cast<Port*>(arcmm->get_tail()); + Port* head = dynamic_cast<Port*>(arcmm->get_head()); + app->interface()->disconnect(tail->model()->path(), head->model()->path()); +} + +void +GraphCanvas::destroy_selection() +{ + _app.interface()->bundle_begin(); + for_each_selected_edge(destroy_arc, &_app); + for_each_selected_node(destroy_node, &_app); + _app.interface()->bundle_end(); +} + +static void +serialise_node(GanvNode* node, void* data) +{ + Serialiser* serialiser = (Serialiser*)data; + if (!GANV_IS_MODULE(node)) { + return; + } + + Ganv::Module* module = Glib::wrap(GANV_MODULE(node)); + NodeModule* node_module = dynamic_cast<NodeModule*>(module); + + if (node_module) { + serialiser->serialise(node_module->block()); + } else { + GraphPortModule* port_module = dynamic_cast<GraphPortModule*>(module); + if (port_module) { + serialiser->serialise(port_module->port()); + } + } +} + +static void +serialise_arc(GanvEdge* arc, void* data) +{ + Serialiser* serialiser = (Serialiser*)data; + if (!GANV_IS_EDGE(arc)) { + return; + } + + GUI::Arc* garc = dynamic_cast<GUI::Arc*>(Glib::wrap(GANV_EDGE(arc))); + if (garc) { + serialiser->serialise_arc(Sord::Node(), garc->model()); + } +} + +void +GraphCanvas::copy_selection() +{ + std::lock_guard<std::mutex> lock(_app.world()->rdf_mutex()); + + Serialiser serialiser(*_app.world()); + serialiser.start_to_string(_graph->path(), _graph->base_uri()); + + for_each_selected_node(serialise_node, &serialiser); + for_each_selected_edge(serialise_arc, &serialiser); + + Glib::RefPtr<Gtk::Clipboard> clipboard = Gtk::Clipboard::get(); + clipboard->set_text(serialiser.finish()); + _paste_count = 0; +} + +void +GraphCanvas::paste() +{ + typedef Properties::const_iterator PropIter; + + std::lock_guard<std::mutex> lock(_app.world()->rdf_mutex()); + + const Glib::ustring str = Gtk::Clipboard::get()->wait_for_text(); + SPtr<Parser> parser = _app.loader()->parser(); + const URIs& uris = _app.uris(); + const Raul::Path& parent = _graph->path(); + if (!parser) { + _app.log().error("Unable to load parser, paste unavailable\n"); + return; + } + + // Prepare for paste + clear_selection(); + _pastees.clear(); + ++_paste_count; + + // Make a client store to serve as clipboard + ClientStore clipboard(_app.world()->uris(), _app.log()); + clipboard.set_plugins(_app.store()->plugins()); + clipboard.put(main_uri(), + {{uris.rdf_type, Property(uris.ingen_Graph)}}); + + // Parse clipboard text into clipboard store + boost::optional<URI> base_uri = parser->parse_string( + _app.world(), &clipboard, str, main_uri()); + + // Figure out the copy graph base path + Raul::Path copy_root("/"); + if (base_uri) { + std::string base = *base_uri; + if (base[base.size() - 1] == '/') { + base = base.substr(0, base.size() - 1); + } + copy_root = uri_to_path(URI(base)); + } + + // Find the minimum x and y coordinate of objects to be pasted + float min_x = std::numeric_limits<float>::max(); + float min_y = std::numeric_limits<float>::max(); + for (const auto& c : clipboard) { + if (c.first.parent() == Raul::Path("/")) { + const Atom& x = c.second->get_property(uris.ingen_canvasX); + const Atom& y = c.second->get_property(uris.ingen_canvasY); + if (x.type() == uris.atom_Float) { + min_x = std::min(min_x, x.get<float>()); + } + if (y.type() == uris.atom_Float) { + min_y = std::min(min_y, y.get<float>()); + } + } + } + + // Find canvas paste origin based on pointer position + int widget_point_x, widget_point_y, scroll_x, scroll_y; + widget().get_pointer(widget_point_x, widget_point_y); + get_scroll_offsets(scroll_x, scroll_y); + const int paste_x = widget_point_x + scroll_x + (20.0f * _paste_count); + const int paste_y = widget_point_y + scroll_y + (20.0f * _paste_count); + + _app.interface()->bundle_begin(); + + // Put each top level object in the clipboard store + ClashAvoider avoider(*_app.store().get()); + for (const auto& c : clipboard) { + if (c.first.is_root() || c.first.parent() != Raul::Path("/")) { + continue; + } + + const SPtr<Node> node = c.second; + const Raul::Path& old_path = copy_root.child(node->path()); + const URI& old_uri = path_to_uri(old_path); + const Raul::Path& new_path = avoider.map_path(parent.child(node->path())); + + Properties props{{uris.lv2_prototype, + _app.forge().make_urid(old_uri)}}; + + // Set the same types + const auto t = node->properties().equal_range(uris.rdf_type); + props.insert(t.first, t.second); + + // Set coordinates so paste origin is at the mouse pointer + PropIter xi = node->properties().find(uris.ingen_canvasX); + PropIter yi = node->properties().find(uris.ingen_canvasY); + if (xi != node->properties().end()) { + const float x = xi->second.get<float>() - min_x + paste_x; + props.insert({xi->first, Property(_app.forge().make(x), + xi->second.context())}); + } + if (yi != node->properties().end()) { + const float y = yi->second.get<float>() - min_y + paste_y; + props.insert({yi->first, Property(_app.forge().make(y), + yi->second.context())}); + } + + _app.interface()->put(path_to_uri(new_path), props); + _pastees.insert(new_path); + } + + // Connect objects + for (auto a : clipboard.object(Raul::Path("/"))->arcs()) { + _app.interface()->connect( + avoider.map_path(parent.child(a.second->tail_path())), + avoider.map_path(parent.child(a.second->head_path()))); + } + + _app.interface()->bundle_end(); +} + +void +GraphCanvas::generate_port_name( + const string& sym_base, string& symbol, + const string& name_base, string& name) +{ + symbol = sym_base; + name = name_base; + + char num_buf[5]; + uint32_t i = 1; + for ( ; i < 9999; ++i) { + snprintf(num_buf, sizeof(num_buf), "%u", i); + symbol = sym_base + "_"; + symbol += num_buf; + if (!_graph->get_port(Raul::Symbol::symbolify(symbol))) { + break; + } + } + + assert(Raul::Path::is_valid(string("/") + symbol)); + + name.append(" ").append(num_buf); +} + +void +GraphCanvas::menu_add_port(const string& sym_base, + const string& name_base, + const URI& type, + bool is_output) +{ + string sym, name; + generate_port_name(sym_base, sym, name_base, name); + const Raul::Path& path = _graph->path().child(Raul::Symbol(sym)); + + const URIs& uris = _app.uris(); + + Properties props = get_initial_data(Resource::Graph::INTERNAL); + props.emplace(uris.rdf_type, _app.forge().make_urid(type)); + if (type == uris.atom_AtomPort) { + props.emplace(uris.atom_bufferType, Property(uris.atom_Sequence)); + } + props.emplace( + uris.rdf_type, + Property(is_output ? uris.lv2_OutputPort : uris.lv2_InputPort)); + props.emplace(uris.lv2_index, + _app.forge().make(int32_t(_graph->num_ports()))); + props.emplace(uris.lv2_name, _app.forge().alloc(name.c_str())); + _app.interface()->put(path_to_uri(path), props); +} + +void +GraphCanvas::load_plugin(WPtr<PluginModel> weak_plugin) +{ + SPtr<PluginModel> plugin = weak_plugin.lock(); + if (!plugin) { + return; + } + + Raul::Symbol symbol = plugin->default_block_symbol(); + unsigned offset = _app.store()->child_name_offset(_graph->path(), symbol); + if (offset != 0) { + std::stringstream ss; + ss << symbol << "_" << offset; + symbol = Raul::Symbol(ss.str()); + } + + const URIs& uris = _app.uris(); + const Raul::Path path = _graph->path().child(symbol); + + // FIXME: polyphony? + Properties props = get_initial_data(); + props.emplace(uris.rdf_type, Property(uris.ingen_Block)); + props.emplace(uris.lv2_prototype, uris.forge.make_urid(plugin->uri())); + _app.interface()->put(path_to_uri(path), props); +} + +/** Try to guess a suitable location for a new module. + */ +void +GraphCanvas::get_new_module_location(double& x, double& y) +{ + int scroll_x; + int scroll_y; + get_scroll_offsets(scroll_x, scroll_y); + x = scroll_x + 20; + y = scroll_y + 20; +} + +Properties +GraphCanvas::get_initial_data(Resource::Graph ctx) +{ + Properties result; + const URIs& uris = _app.uris(); + result.emplace(uris.ingen_canvasX, + Property(_app.forge().make((float)_menu_x), ctx)); + result.emplace(uris.ingen_canvasY, + Property(_app.forge().make((float)_menu_y), ctx)); + return result; +} + +void +GraphCanvas::menu_load_plugin() +{ + _app.window_factory()->present_load_plugin(_graph, get_initial_data()); +} + +void +GraphCanvas::menu_load_graph() +{ + _app.window_factory()->present_load_subgraph( + _graph, get_initial_data(Resource::Graph::EXTERNAL)); +} + +void +GraphCanvas::menu_new_graph() +{ + _app.window_factory()->present_new_subgraph( + _graph, get_initial_data(Resource::Graph::EXTERNAL)); +} + +void +GraphCanvas::menu_properties() +{ + _app.window_factory()->present_properties(_graph); +} + +} // namespace GUI +} // namespace Ingen |