ardour/livetrax
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Apply LV2 GUI parameter update patch from kfoltman.

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git-svn-id: svn://localhost/ardour2/branches/3.0@4407 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
David Robillard 2009-01-14 15:47:58 +00:00
parent 41716e8faa
commit ad9913538e
2 changed files with 19 additions and 8 deletions
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26
gtk2_ardour/lv2_plugin_ui.cc
View File

@ -44,14 +44,20 @@ 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;
parameter_update(port_index, val);
}
}
void
LV2PluginUI::parameter_update (uint32_t port_index, float val)
{
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;
}
bool
LV2PluginUI::start_updating(GdkEventAny* event)
{
@ -107,9 +113,13 @@ LV2PluginUI::LV2PluginUI (boost::shared_ptr<PluginInsert> pi, boost::shared_ptr<
_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]);
uint32_t port = lv2p->nth_parameter(i, ok);
if (ok) {
_values[port] = lv2p->get_parameter(port);
if (lv2p->parameter_is_control(port) && lv2p->parameter_is_input(port)) {
parameter_update(port, _values[port]);
}
}
}
_lv2->ParameterChanged.connect(mem_fun(*this, &LV2PluginUI::parameter_changed));

1
gtk2_ardour/lv2_plugin_ui.h
View File

@ -69,6 +69,7 @@ class LV2PluginUI : public PlugUIBase, public Gtk::VBox
const void* buffer);
void parameter_changed(uint32_t, float);
void parameter_update(uint32_t, float);
bool configure_handler (GdkEventConfigure*);
void save_plugin_setting ();
void output_update();