David Robillard
823f44e50a
git-svn-id: svn://localhost/ardour2/branches/3.0@3716 d708f5d6-7413-0410-9779-e7cbd77b26cf
114 lines
3.0 KiB
C++
114 lines
3.0 KiB
C++
/*
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Copyright (C) 2008 Paul Davis
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Author: Dave Robillard
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <ardour/processor.h>
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#include <ardour/lv2_plugin.h>
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#include "lv2_plugin_ui.h"
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using namespace Gtk;
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using namespace ARDOUR;
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using namespace PBD;
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void
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LV2PluginUI::lv2_ui_write(LV2UI_Controller controller,
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uint32_t port_index,
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uint32_t buffer_size,
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uint32_t format,
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const void* buffer)
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{
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LV2PluginUI* me = (LV2PluginUI*)controller;
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if (*(float*)buffer != me->_values[port_index])
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me->_lv2->set_parameter(port_index, *(float*)buffer);
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}
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void
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LV2PluginUI::parameter_changed (uint32_t port_index, float val)
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{
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if (val != _values[port_index]) {
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const LV2UI_Descriptor* ui_desc = slv2_ui_instance_get_descriptor(_inst);
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LV2UI_Handle ui_handle = slv2_ui_instance_get_handle(_inst);
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if (ui_desc->port_event)
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ui_desc->port_event(ui_handle, port_index, 4, 0, &val);
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_values[port_index] = val;
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}
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}
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LV2PluginUI::LV2PluginUI (boost::shared_ptr<PluginInsert> pi, boost::shared_ptr<LV2Plugin> lv2p)
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: PlugUIBase (pi)
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, _lv2(lv2p)
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{
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_inst = slv2_ui_instantiate(
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_lv2->slv2_plugin(), _lv2->slv2_ui(), LV2PluginUI::lv2_ui_write, this,
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_lv2->features());
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GtkWidget* c_widget = (GtkWidget*)slv2_ui_instance_get_widget(_inst);
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_gui_widget = Glib::wrap(c_widget);
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_gui_widget->show_all();
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pack_start(*_gui_widget, true, true);
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uint32_t num_ports = slv2_plugin_get_num_ports(lv2p->slv2_plugin());
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_values = new float[num_ports];
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for (uint32_t i = 0; i < num_ports; ++i) {
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bool ok;
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_values[i] = lv2p->nth_parameter(i, ok);
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if (ok)
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lv2_ui_write(this, i, 4, /* FIXME: format */0, &_values[i]);
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}
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_lv2->ParameterChanged.connect(mem_fun(*this, &LV2PluginUI::parameter_changed));
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}
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LV2PluginUI::~LV2PluginUI ()
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{
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delete[] _values;
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// plugin destructor destroys the GUI
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}
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int
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LV2PluginUI::get_preferred_height ()
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{
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Gtk::Requisition r = size_request();
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return r.height;
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}
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int
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LV2PluginUI::get_preferred_width ()
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{
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Gtk::Requisition r = size_request();
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return r.width;
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}
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int
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LV2PluginUI::package (Gtk::Window& win)
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{
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/* forward configure events to plugin window */
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win.signal_configure_event().connect (mem_fun (*this, &LV2PluginUI::configure_handler));
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return 0;
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}
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bool
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LV2PluginUI::configure_handler (GdkEventConfigure* ev)
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{
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cout << "CONFIGURE" << endl;
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return false;
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}
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