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Create and destroy (non-external) LV2 plugin UIs as window is shown/hidden.

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Fixes ticket #4067 (not to mention avoids having every UI that has ever been shown loaded in memory until exit time...)


git-svn-id: svn://localhost/ardour2/branches/3.0@9638 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
David Robillard 2011-05-31 02:00:16 +00:00
parent a206c5c4a9
commit d367b210f4
2 changed files with 29 additions and 11 deletions
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39
gtk2_ardour/lv2_plugin_ui.cc
View file

@ -118,8 +118,7 @@ LV2PluginUI::stop_updating(GdkEventAny*)
{
//cout << "stop_updating" << endl;
if ( //!_external_ui_ptr &&
!_output_ports.empty()) {
if (!_output_ports.empty()) {
_screen_update_connection.disconnect();
}
return false;
@ -146,13 +145,11 @@ LV2PluginUI::LV2PluginUI(boost::shared_ptr<PluginInsert> pi,
boost::shared_ptr<LV2Plugin> lv2p)
: PlugUIBase(pi)
, _lv2(lv2p)
, _gui_widget(NULL)
, _values(NULL)
, _external_ui_ptr(NULL)
, _inst(NULL)
{
if (!_lv2->is_external_ui()) {
lv2ui_instantiate("gtk2gui");
}
}
void
@ -264,15 +261,16 @@ LV2PluginUI::lv2ui_instantiate(const std::string& title)
}
}
LV2PluginUI::~LV2PluginUI ()
void
LV2PluginUI::lv2ui_free()
{
//cout << "LV2PluginUI destructor called" << endl;
if (_values) {
delete[] _values;
if (_lv2->is_external_ui() || !_gui_widget) {
return;
}
/* Close and delete GUI. */
stop_updating(NULL);
remove(*_gui_widget);
#ifdef HAVE_SUIL
suil_instance_free((SuilInstance*)_inst);
#else
@ -285,6 +283,21 @@ LV2PluginUI::~LV2PluginUI ()
}
#endif
_inst = NULL;
_gui_widget = NULL;
}
LV2PluginUI::~LV2PluginUI ()
{
//cout << "LV2PluginUI destructor called" << endl;
if (_values) {
delete[] _values;
}
/* Close and delete GUI. */
lv2ui_free();
_screen_update_connection.disconnect();
if (_lv2->is_external_ui()) {
@ -362,6 +375,8 @@ LV2PluginUI::on_window_show(const std::string& title)
_screen_update_connection = ARDOUR_UI::instance()->RapidScreenUpdate.connect
(sigc::mem_fun(*this, &LV2PluginUI::output_update));
return false;
} else {
lv2ui_instantiate("gtk2gui");
}
return true;
@ -377,5 +392,7 @@ LV2PluginUI::on_window_hide()
//slv2_ui_instance_get_descriptor(_inst)->cleanup(_inst);
//_external_ui_ptr = NULL;
//_screen_update_connection.disconnect();
} else {
lv2ui_free();
}
}

1
gtk2_ardour/lv2_plugin_ui.h
View file

@ -87,6 +87,7 @@ class LV2PluginUI : public PlugUIBase, public Gtk::VBox
const void* buffer);
void lv2ui_instantiate(const std::string& title);
void lv2ui_free();
void parameter_update(uint32_t, float);
bool configure_handler (GdkEventConfigure*);