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authorDavid Robillard <d@drobilla.net>2008-09-30 16:50:21 +0000
committerDavid Robillard <d@drobilla.net>2008-09-30 16:50:21 +0000
commit93850c202de8b073a1ce1dd8bd246d407bce4e2f (patch)
tree6910b135bf4eff12de1af116cef73f6e9c107cd0 /src/client/PluginUI.cpp
parenta8bf5272d096de73507d2eab47f282c345f4ca8a (diff)
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Flatten ingen source directory heirarchy a bit.
git-svn-id: http://svn.drobilla.net/lad/trunk/ingen@1551 a436a847-0d15-0410-975c-d299462d15a1
Diffstat (limited to 'src/client/PluginUI.cpp')
-rw-r--r--src/client/PluginUI.cpp157
1 files changed, 157 insertions, 0 deletions
diff --git a/src/client/PluginUI.cpp b/src/client/PluginUI.cpp
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+/* This file is part of Ingen.
+ * Copyright (C) 2007 Dave Robillard <http://drobilla.net>
+ *
+ * Ingen 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.
+ *
+ * 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 General Public License for 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.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <iostream>
+#include "lv2ext/lv2_event_helpers.h"
+#include "shared/LV2URIMap.hpp"
+#include "PluginUI.hpp"
+#include "NodeModel.hpp"
+#include "PortModel.hpp"
+
+using namespace std;
+using Ingen::Shared::EngineInterface;
+using Ingen::Shared::LV2URIMap;
+using Ingen::Shared::LV2Features;
+
+namespace Ingen {
+namespace Client {
+
+static void
+lv2_ui_write(LV2UI_Controller controller,
+ uint32_t port_index,
+ uint32_t buffer_size,
+ uint32_t format,
+ const void* buffer)
+{
+ /*
+ cerr << "lv2_ui_write (format " << format << "):" << endl;
+ fprintf(stderr, "RAW:\n");
+ for (uint32_t i=0; i < buffer_size; ++i) {
+ unsigned char byte = ((unsigned char*)buffer)[i];
+ if (byte >= 32 && byte <= 126)
+ fprintf(stderr, "%c ", ((unsigned char*)buffer)[i]);
+ else
+ fprintf(stderr, "%2X ", ((unsigned char*)buffer)[i]);
+ }
+ fprintf(stderr, "\n");
+ */
+
+ PluginUI* ui = (PluginUI*)controller;
+
+ SharedPtr<PortModel> port = ui->node()->ports()[port_index];
+
+ const LV2Features::Feature* f = ui->world()->lv2_features->feature(LV2_URI_MAP_URI);
+ LV2URIMap* map = (LV2URIMap*)f->controller;
+ assert(map);
+
+ // float (special case, always 0)
+ if (format == 0) {
+ assert(buffer_size == 4);
+ if (*(float*)buffer == port->value().get_float())
+ return; // do nothing (handle stupid plugin UIs that feed back)
+
+ ui->world()->engine->set_port_value(port->path(), Atom(*(float*)buffer));
+
+ // FIXME: slow, need to cache ID
+ } else if (format == map->uri_to_id(NULL, "http://lv2plug.in/ns/extensions/ui#Events")) {
+ uint32_t midi_event_type = map->uri_to_id(NULL, "http://lv2plug.in/ns/ext/midi#MidiEvent");
+ LV2_Event_Buffer* buf = (LV2_Event_Buffer*)buffer;
+ LV2_Event_Iterator iter;
+ uint8_t* data;
+ lv2_event_begin(&iter, buf);
+ while (lv2_event_is_valid(&iter)) {
+ LV2_Event* const ev = lv2_event_get(&iter, &data);
+ if (ev->type == midi_event_type) {
+ // FIXME: bundle multiple events by writing an entire buffer here
+ ui->world()->engine->set_port_value(port->path(),
+ Atom("lv2_midi:MidiEvent", ev->size, data));
+ } else {
+ cerr << "WARNING: Unable to send event type " << ev->type <<
+ " over OSC, ignoring event" << endl;
+ }
+
+ lv2_event_increment(&iter);
+ }
+ } else {
+ cerr << "WARNING: Unknown value format " << format
+ << ", either plugin " << ui->node()->plugin()->uri() << " is broken"
+ << " or this is an Ingen bug" << endl;
+ }
+}
+
+
+PluginUI::PluginUI(Ingen::Shared::World* world,
+ SharedPtr<NodeModel> node)
+ : _world(world)
+ , _node(node)
+ , _instance(NULL)
+{
+}
+
+
+PluginUI::~PluginUI()
+{
+ Glib::Mutex::Lock lock(PluginModel::rdf_world()->mutex());
+ slv2_ui_instance_free(_instance);
+}
+
+
+SharedPtr<PluginUI>
+PluginUI::create(Ingen::Shared::World* world,
+ SharedPtr<NodeModel> node,
+ SLV2Plugin plugin)
+{
+ Glib::Mutex::Lock lock(PluginModel::rdf_world()->mutex());
+ SharedPtr<PluginUI> ret;
+
+ SLV2Value gtk_gui_uri = slv2_value_new_uri(world->slv2_world,
+ "http://lv2plug.in/ns/extensions/ui#GtkUI");
+
+ SLV2UIs uis = slv2_plugin_get_uis(plugin);
+ SLV2UI ui = NULL;
+
+ if (slv2_values_size(uis) > 0) {
+ for (unsigned i=0; i < slv2_uis_size(uis); ++i) {
+ SLV2UI this_ui = slv2_uis_get_at(uis, i);
+ if (slv2_ui_is_a(this_ui, gtk_gui_uri)) {
+ ui = this_ui;
+ break;
+ }
+ }
+ }
+
+ if (ui) {
+ cout << "Found GTK Plugin UI: " << slv2_ui_get_uri(ui) << endl;
+ ret = SharedPtr<PluginUI>(new PluginUI(world, node));
+ SLV2UIInstance inst = slv2_ui_instantiate(
+ plugin, ui, lv2_ui_write, ret.get(), world->lv2_features->lv2_features());
+
+ if (inst) {
+ ret->set_instance(inst);
+ } else {
+ cerr << "ERROR: Failed to instantiate Plugin UI" << endl;
+ ret = SharedPtr<PluginUI>();
+ }
+ }
+
+ slv2_value_free(gtk_gui_uri);
+ return ret;
+}
+
+
+} // namespace Client
+} // namespace Ingen