From c86210a9d5bdb7b36ad58552a1f99f53d48781b3 Mon Sep 17 00:00:00 2001 From: Paul Davis Date: Wed, 10 Sep 2008 21:27:39 +0000 Subject: merge 2.0-ongoing into 3.0 @ 3581 - 3710 git-svn-id: svn://localhost/ardour2/branches/3.0@3712 d708f5d6-7413-0410-9779-e7cbd77b26cf --- gtk2_ardour/lv2_plugin_ui.cc | 113 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 113 insertions(+) create mode 100644 gtk2_ardour/lv2_plugin_ui.cc (limited to 'gtk2_ardour/lv2_plugin_ui.cc') diff --git a/gtk2_ardour/lv2_plugin_ui.cc b/gtk2_ardour/lv2_plugin_ui.cc new file mode 100644 index 0000000000..2ca9166dea --- /dev/null +++ b/gtk2_ardour/lv2_plugin_ui.cc @@ -0,0 +1,113 @@ +/* + Copyright (C) 2008 Paul Davis + Author: Dave Robillard + + This program 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. + + This program 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 more 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., 675 Mass Ave, Cambridge, MA 02139, USA. + +*/ + +#include +#include + +#include "lv2_plugin_ui.h" + +using namespace Gtk; +using namespace ARDOUR; +using namespace PBD; + +void +LV2PluginUI::lv2_ui_write(LV2UI_Controller controller, + uint32_t port_index, + uint32_t buffer_size, + uint32_t format, + const void* buffer) +{ + LV2PluginUI* me = (LV2PluginUI*)controller; + if (*(float*)buffer != me->_values[port_index]) + me->_lv2->set_parameter(port_index, *(float*)buffer); +} + +void +LV2PluginUI::parameter_changed (uint32_t port_index, float val) +{ + if (val != _values[port_index]) { + const LV2UI_Descriptor* ui_desc = slv2_ui_instance_get_descriptor(_inst); + LV2UI_Handle ui_handle = slv2_ui_instance_get_handle(_inst); + if (ui_desc->port_event) + ui_desc->port_event(ui_handle, port_index, 4, 0, &val); + _values[port_index] = val; + } +} + +LV2PluginUI::LV2PluginUI (boost::shared_ptr pi, boost::shared_ptr lv2p) + : PlugUIBase (pi) + , _lv2(lv2p) +{ + _inst = slv2_ui_instantiate( + _lv2->slv2_plugin(), _lv2->slv2_ui(), LV2PluginUI::lv2_ui_write, this, + _lv2->features()); + + GtkWidget* c_widget = (GtkWidget*)slv2_ui_instance_get_widget(_inst); + _gui_widget = Glib::wrap(c_widget); + _gui_widget->show_all(); + pack_start(*_gui_widget, true, true); + + uint32_t num_ports = slv2_plugin_get_num_ports(lv2p->slv2_plugin()); + _values = new float[num_ports]; + for (uint32_t i = 0; i < num_ports; ++i) { + bool ok; + _values[i] = lv2p->nth_parameter(i, ok); + if (ok) + lv2_ui_write(this, i, 4, /* FIXME: format */0, &_values[i]); + } + + _lv2->ParameterChanged.connect(mem_fun(*this, &LV2PluginUI::parameter_changed)); +} + +LV2PluginUI::~LV2PluginUI () +{ + delete[] _values; + // plugin destructor destroys the GUI +} + +int +LV2PluginUI::get_preferred_height () +{ + Gtk::Requisition r = size_request(); + return r.height; +} + +int +LV2PluginUI::get_preferred_width () +{ + Gtk::Requisition r = size_request(); + return r.width; +} + +int +LV2PluginUI::package (Gtk::Window& win) +{ + /* forward configure events to plugin window */ + win.signal_configure_event().connect (mem_fun (*this, &LV2PluginUI::configure_handler)); + return 0; +} + +bool +LV2PluginUI::configure_handler (GdkEventConfigure* ev) +{ + cout << "CONFIGURE" << endl; + return false; +} + -- cgit v1.2.3