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authorPaul Davis <paul@linuxaudiosystems.com>2009-10-01 15:43:52 +0000
committerPaul Davis <paul@linuxaudiosystems.com>2009-10-01 15:43:52 +0000
commit72bfc14a3596f0b086ac826e8ab2ea8cd9b44caa (patch)
tree21a2112bd706ae050b0a1818e4f32ecd5a5dd9d0
parent68240a91522ac3ef00309edb59d874afe58e9dd1 (diff)
LV2 external UI patch from nedko (#2777)
git-svn-id: svn://localhost/ardour2/branches/2.0-ongoing@5697 d708f5d6-7413-0410-9779-e7cbd77b26cf
-rw-r--r--gtk2_ardour/lv2_plugin_ui.cc195
-rw-r--r--gtk2_ardour/lv2_plugin_ui.h14
-rw-r--r--gtk2_ardour/main.cc7
-rw-r--r--gtk2_ardour/plugin_ui.cc20
-rw-r--r--gtk2_ardour/plugin_ui.h5
-rw-r--r--libs/ardour/ardour/lv2_plugin.h2
-rw-r--r--libs/ardour/lv2_plugin.cc18
7 files changed, 240 insertions, 21 deletions
diff --git a/gtk2_ardour/lv2_plugin_ui.cc b/gtk2_ardour/lv2_plugin_ui.cc
index 26a7074386..7fb2c87b05 100644
--- a/gtk2_ardour/lv2_plugin_ui.cc
+++ b/gtk2_ardour/lv2_plugin_ui.cc
@@ -28,6 +28,22 @@ using namespace Gtk;
using namespace ARDOUR;
using namespace PBD;
+std::vector<struct lv2_external_ui*> g_external_uis;
+
+void close_external_ui_windows()
+{
+ struct lv2_external_ui* external_ui_ptr;
+
+ //cout << "close_external_ui_windows" << endl;
+
+ while (!g_external_uis.empty()) {
+ //cout << "pop" << endl;
+ external_ui_ptr = g_external_uis.back();
+ LV2_EXTERNAL_UI_HIDE(external_ui_ptr);
+ g_external_uis.pop_back();
+ }
+}
+
void
LV2PluginUI::lv2_ui_write(LV2UI_Controller controller,
uint32_t port_index,
@@ -35,14 +51,36 @@ LV2PluginUI::lv2_ui_write(LV2UI_Controller controller,
uint32_t format,
const void* buffer)
{
+ //cout << "lv2_ui_write" << endl;
LV2PluginUI* me = (LV2PluginUI*)controller;
- if (*(float*)buffer != me->_values[port_index])
+ if (*(float*)buffer != me->_values[port_index]) {
+ //cout << "set_parameter " << port_index << ":" << *(float*)buffer << endl;
me->_lv2->set_parameter(port_index, *(float*)buffer);
+ }
+}
+
+void LV2PluginUI::on_external_ui_closed(LV2UI_Controller controller)
+{
+ //cout << "on_external_ui_closed" << endl;
+
+ LV2PluginUI* me = (LV2PluginUI*)controller;
+ me->_screen_update_connection.disconnect();
+ //me->insert->set_gui(0);
+
+ for (vector<struct lv2_external_ui*>::iterator it = g_external_uis.begin() ; it < g_external_uis.end(); it++) {
+ if (*it == me->_external_ui_ptr) {
+ g_external_uis.erase(it);
+ }
+ }
+
+ //slv2_ui_instance_get_descriptor(me->_inst)->cleanup(me->_inst);
+ me->_external_ui_ptr = NULL;
}
void
LV2PluginUI::parameter_changed (uint32_t port_index, float val)
{
+ //cout << "parameter_changed" << endl;
if (val != _values[port_index]) {
parameter_update(port_index, val);
}
@@ -51,16 +89,24 @@ LV2PluginUI::parameter_changed (uint32_t port_index, float val)
void
LV2PluginUI::parameter_update (uint32_t port_index, float val)
{
+ if (!_inst) {
+ return;
+ }
+
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)
+ if (ui_desc->port_event) {
+ //cout << "port_event " << port_index << ":" << val << endl;
ui_desc->port_event(ui_handle, port_index, 4, 0, &val);
+ }
_values[port_index] = val;
}
bool
LV2PluginUI::start_updating(GdkEventAny* event)
{
+ //cout << "start_updating" << endl;
+
if (!_output_ports.empty()) {
_screen_update_connection.disconnect();
_screen_update_connection = ARDOUR_UI::instance()->RapidScreenUpdate.connect
@@ -72,7 +118,10 @@ LV2PluginUI::start_updating(GdkEventAny* event)
bool
LV2PluginUI::stop_updating(GdkEventAny* event)
{
- if (!_output_ports.empty()) {
+ //cout << "stop_updating" << endl;
+
+ if (//!_external_ui_ptr &&
+ !_output_ports.empty()) {
_screen_update_connection.disconnect();
}
return false;
@@ -81,6 +130,11 @@ LV2PluginUI::stop_updating(GdkEventAny* event)
void
LV2PluginUI::output_update()
{
+ //cout << "output_update" << endl;
+ if (_external_ui_ptr) {
+ LV2_EXTERNAL_UI_RUN(_external_ui_ptr);
+ }
+
/* FIXME only works with control output ports (which is all we support now anyway) */
uint32_t nports = _output_ports.size();
for (uint32_t i = 0; i < nports; ++i) {
@@ -93,30 +147,84 @@ LV2PluginUI::output_update()
LV2PluginUI::LV2PluginUI (boost::shared_ptr<PluginInsert> pi, boost::shared_ptr<LV2Plugin> lv2p)
: PlugUIBase (pi)
, _lv2(lv2p)
+ , _inst(NULL)
+ , _values(NULL)
+ , _external_ui_ptr(NULL)
+{
+ if (!_lv2->is_external_ui()) {
+ lv2ui_instantiate("gtk2gui");
+ }
+}
+
+void
+LV2PluginUI::lv2ui_instantiate(const Glib::ustring& title)
{
+ LV2_Feature** features;
+ LV2_Feature** features_src;
+ LV2_Feature** features_dst;
+ size_t features_count;
+ bool is_external_ui;
+
+ is_external_ui = _lv2->is_external_ui();
+
+ if (is_external_ui) {
+ _external_ui_host.ui_closed = LV2PluginUI::on_external_ui_closed;
+ _external_ui_host.plugin_human_id = strdup(title.c_str());
+
+ _external_ui_feature.URI = LV2_EXTERNAL_UI_URI;
+ _external_ui_feature.data = &_external_ui_host;
+
+ features_src = features = (LV2_Feature**)_lv2->features();
+ features_count = 2;
+ while (*features++) {
+ features_count++;
+ }
+
+ features_dst = features = (LV2_Feature**)malloc(sizeof(LV2_Feature*) * features_count);
+ features_dst[--features_count] = NULL;
+ features_dst[--features_count] = &_external_ui_feature;
+ while (features_count--) {
+ *features++ = *features_src++;
+ }
+ } else {
+ features_dst = (LV2_Feature**)_lv2->features();
+ }
+
_inst = slv2_ui_instantiate(
_lv2->slv2_plugin(), _lv2->slv2_ui(), LV2PluginUI::lv2_ui_write, this,
- _lv2->features());
+ features_dst);
+
+ if (is_external_ui) {
+ free(features_dst);
+ }
- uint32_t num_ports = slv2_plugin_get_num_ports(lv2p->slv2_plugin());
+ uint32_t num_ports = slv2_plugin_get_num_ports(_lv2->slv2_plugin());
for (uint32_t i = 0; i < num_ports; ++i) {
- if (lv2p->parameter_is_output(i) && lv2p->parameter_is_control(i) && is_update_wanted(i)) {
+ if (_lv2->parameter_is_output(i) && _lv2->parameter_is_control(i) && is_update_wanted(i)) {
_output_ports.push_back(i);
}
}
-
- 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);
+
+ _external_ui_ptr = NULL;
+ if (_inst) {
+ if (!is_external_ui) {
+ 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);
+ } else {
+ _external_ui_ptr = (struct lv2_external_ui *)slv2_ui_instance_get_widget(_inst);
+ g_external_uis.push_back(_external_ui_ptr);
+ }
+ }
_values = new float[num_ports];
for (uint32_t i = 0; i < num_ports; ++i) {
bool ok;
- uint32_t port = lv2p->nth_parameter(i, ok);
+ uint32_t port = _lv2->nth_parameter(i, ok);
if (ok) {
- _values[port] = lv2p->get_parameter(port);
- if (lv2p->parameter_is_control(port) && lv2p->parameter_is_input(port)) {
+ _values[port] = _lv2->get_parameter(port);
+ if (_lv2->parameter_is_control(port) && _lv2->parameter_is_input(port)) {
parameter_update(port, _values[port]);
}
}
@@ -127,8 +235,12 @@ LV2PluginUI::LV2PluginUI (boost::shared_ptr<PluginInsert> pi, boost::shared_ptr<
LV2PluginUI::~LV2PluginUI ()
{
- delete[] _values;
- // plugin destructor destroys the GUI
+ //cout << "LV2PluginUI destructor called" << endl;
+
+ if (_values) {
+ delete[] _values;
+ }
+ // plugin destructor destroys the GTK GUI
}
int
@@ -148,10 +260,15 @@ LV2PluginUI::get_preferred_width ()
int
LV2PluginUI::package (Gtk::Window& win)
{
- /* forward configure events to plugin window */
- win.signal_configure_event().connect (mem_fun (*this, &LV2PluginUI::configure_handler));
- win.signal_map_event().connect (mem_fun (*this, &LV2PluginUI::start_updating));
- win.signal_unmap_event().connect (mem_fun (*this, &LV2PluginUI::stop_updating));
+ //cout << "package" << endl;
+ if (_external_ui_ptr) {
+ _win_ptr = &win;
+ } else {
+ /* forward configure events to plugin window */
+ win.signal_configure_event().connect (mem_fun (*this, &LV2PluginUI::configure_handler));
+ win.signal_map_event().connect (mem_fun (*this, &LV2PluginUI::start_updating));
+ win.signal_unmap_event().connect (mem_fun (*this, &LV2PluginUI::stop_updating));
+ }
return 0;
}
@@ -168,3 +285,41 @@ LV2PluginUI::is_update_wanted(uint32_t index)
/* FIXME this should check the port notification properties, which nobody sets now anyway :) */
return true;
}
+
+bool
+LV2PluginUI::on_window_show(const Glib::ustring& title)
+{
+ //cout << "on_window_show - " << title << endl; flush(cout);
+
+ if (_lv2->is_external_ui()) {
+ if (_external_ui_ptr) {
+ LV2_EXTERNAL_UI_SHOW(_external_ui_ptr);
+ return false;
+ }
+ lv2ui_instantiate(title);
+ if (!_external_ui_ptr) {
+ return false;
+ }
+
+ LV2_EXTERNAL_UI_SHOW(_external_ui_ptr);
+ _screen_update_connection.disconnect();
+ _screen_update_connection = ARDOUR_UI::instance()->RapidScreenUpdate.connect
+ (mem_fun(*this, &LV2PluginUI::output_update));
+ return false;
+ }
+
+ return true;
+}
+
+void
+LV2PluginUI::on_window_hide()
+{
+ //cout << "on_window_hide" << endl; flush(cout);
+
+ if (_external_ui_ptr) {
+ LV2_EXTERNAL_UI_HIDE(_external_ui_ptr);
+ //slv2_ui_instance_get_descriptor(_inst)->cleanup(_inst);
+ //_external_ui_ptr = NULL;
+ //_screen_update_connection.disconnect();
+ }
+}
diff --git a/gtk2_ardour/lv2_plugin_ui.h b/gtk2_ardour/lv2_plugin_ui.h
index fe8dd85cd2..9bb1fe60ae 100644
--- a/gtk2_ardour/lv2_plugin_ui.h
+++ b/gtk2_ardour/lv2_plugin_ui.h
@@ -34,6 +34,8 @@
#ifdef HAVE_LV2
+#include "lv2_external_ui.h"
+
namespace ARDOUR {
class PluginInsert;
class LV2Plugin;
@@ -60,6 +62,13 @@ class LV2PluginUI : public PlugUIBase, public Gtk::VBox
Gtk::Widget* _gui_widget;
SLV2UIInstance _inst;
float* _values;
+
+ struct lv2_external_ui_host _external_ui_host;
+ LV2_Feature _external_ui_feature;
+ struct lv2_external_ui* _external_ui_ptr;
+ Gtk::Window* _win_ptr;
+
+ static void on_external_ui_closed(LV2UI_Controller controller);
static void lv2_ui_write(
LV2UI_Controller controller,
@@ -68,12 +77,17 @@ class LV2PluginUI : public PlugUIBase, public Gtk::VBox
uint32_t format,
const void* buffer);
+ void lv2ui_instantiate(const Glib::ustring& title);
+
void parameter_changed(uint32_t, float);
void parameter_update(uint32_t, float);
bool configure_handler (GdkEventConfigure*);
void save_plugin_setting ();
void output_update();
bool is_update_wanted(uint32_t index);
+
+ virtual bool on_window_show(const Glib::ustring& title);
+ virtual void on_window_hide();
};
#endif // HAVE_LV2
diff --git a/gtk2_ardour/main.cc b/gtk2_ardour/main.cc
index e0df2eadcf..5e92112cff 100644
--- a/gtk2_ardour/main.cc
+++ b/gtk2_ardour/main.cc
@@ -285,6 +285,10 @@ sigpipe_handler (int sig)
}
}
+#ifdef HAVE_LV2
+void close_external_ui_windows();
+#endif
+
#ifdef VST_SUPPORT
extern int gui_init (int* argc, char** argv[]);
@@ -386,6 +390,9 @@ int main (int argc, char* argv[])
ARDOUR::cleanup ();
pthread_cancel_all ();
+#ifdef HAVE_LV2
+ close_external_ui_windows();
+#endif
return 0;
}
#ifdef VST_SUPPORT
diff --git a/gtk2_ardour/plugin_ui.cc b/gtk2_ardour/plugin_ui.cc
index 6954e2296b..17c806f915 100644
--- a/gtk2_ardour/plugin_ui.cc
+++ b/gtk2_ardour/plugin_ui.cc
@@ -190,11 +190,17 @@ PluginUIWindow::on_focus_out_event (GdkEventFocus *ev)
void
PluginUIWindow::on_show ()
{
+ set_role("plugin_ui");
+
if (_pluginui) {
_pluginui->update_presets ();
}
- Window::on_show ();
+ if (_pluginui) {
+ if (_pluginui->on_window_show (_title)) {
+ Window::on_show ();
+ }
+ }
if (parent) {
// set_transient_for (*parent);
@@ -205,6 +211,18 @@ void
PluginUIWindow::on_hide ()
{
Window::on_hide ();
+
+ if (_pluginui) {
+ _pluginui->on_window_hide ();
+ }
+}
+
+void
+PluginUIWindow::set_title(const Glib::ustring& title)
+{
+ //cout << "PluginUIWindow::set_title(\"" << title << "\"" << endl;
+ Gtk::Window::set_title(title);
+ _title = title;
}
bool
diff --git a/gtk2_ardour/plugin_ui.h b/gtk2_ardour/plugin_ui.h
index 3e027b620e..887bd6ccc1 100644
--- a/gtk2_ardour/plugin_ui.h
+++ b/gtk2_ardour/plugin_ui.h
@@ -82,6 +82,9 @@ class PlugUIBase : public virtual sigc::trackable
virtual void update_presets ();
+ virtual bool on_window_show(const Glib::ustring& title) { return true; }
+ virtual void on_window_hide() {}
+
protected:
boost::shared_ptr<ARDOUR::PluginInsert> insert;
boost::shared_ptr<ARDOUR::Plugin> plugin;
@@ -230,8 +233,10 @@ class PluginUIWindow : public Gtk::Window
void on_hide ();
void on_map ();
+ void set_title(const Glib::ustring& title);
private:
+ Glib::ustring _title;
PlugUIBase* _pluginui;
sigc::connection death_connection;
Gtk::Window* parent;
diff --git a/libs/ardour/ardour/lv2_plugin.h b/libs/ardour/ardour/lv2_plugin.h
index de8eb616a1..29f3465f8b 100644
--- a/libs/ardour/ardour/lv2_plugin.h
+++ b/libs/ardour/ardour/lv2_plugin.h
@@ -64,6 +64,7 @@ class LV2Plugin : public ARDOUR::Plugin
SLV2Plugin slv2_plugin() { return _plugin; }
SLV2UI slv2_ui() { return _ui; }
+ bool is_external_ui() const;
SLV2Port slv2_port(uint32_t i) { return slv2_plugin_get_port_by_index(_plugin, i); }
const char* port_symbol(uint32_t port);
@@ -159,6 +160,7 @@ struct LV2World {
SLV2Value toggled;
SLV2Value srate;
SLV2Value gtk_gui;
+ SLV2Value external_gui;
};
diff --git a/libs/ardour/lv2_plugin.cc b/libs/ardour/lv2_plugin.cc
index 1c850ea229..d948c72140 100644
--- a/libs/ardour/lv2_plugin.cc
+++ b/libs/ardour/lv2_plugin.cc
@@ -149,6 +149,17 @@ LV2Plugin::init (LV2World& world, SLV2Plugin plugin, nframes_t rate)
break;
}
}
+
+ // if gtk gui is not available, try to find external gui
+ if (!_ui) {
+ for (unsigned i=0; i < slv2_uis_size(uis); ++i) {
+ SLV2UI ui = slv2_uis_get_at(uis, i);
+ if (slv2_ui_is_a(ui, _world.external_gui)) {
+ _ui = ui;
+ break;
+ }
+ }
+ }
}
Plugin::setup_controls ();
@@ -176,6 +187,12 @@ LV2Plugin::~LV2Plugin ()
}
}
+bool
+LV2Plugin::is_external_ui() const
+{
+ return slv2_ui_is_a(_ui, _world.external_gui);
+}
+
string
LV2Plugin::unique_id() const
{
@@ -552,6 +569,7 @@ LV2World::LV2World()
toggled = slv2_value_new_uri(world, SLV2_NAMESPACE_LV2 "toggled");
srate = slv2_value_new_uri(world, SLV2_NAMESPACE_LV2 "sampleRate");
gtk_gui = slv2_value_new_uri(world, "http://lv2plug.in/ns/extensions/ui#GtkUI");
+ external_gui = slv2_value_new_uri(world, "http://lv2plug.in/ns/extensions/ui#external");
}
LV2World::~LV2World()