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Implement LV2 request-value UI

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* Handle cross-thread request from DSP context
* Allow calls without plugin GUI
* Implement boolean value requests, show dialog
This commit is contained in:
Robin Gareus 2021-10-06 01:34:01 +02:00
parent eadd98efec
commit 532fbc41cb
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GPG key ID: A090BCE02CF57F04
5 changed files with 124 additions and 46 deletions
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25
gtk2_ardour/lv2_plugin_ui.h
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@ -66,6 +66,16 @@ public:
int package (Gtk::Window&);
void grab_focus ();
#ifdef HAVE_LV2_1_17_2
static LV2UI_Request_Value_Status
request_value(void* handle,
LV2_URID key,
LV2_URID type,
const LV2_Feature* const* features);
static PBD::Signal1<void, LV2PluginUI*> CatchDeletion;
#endif
private:
void control_changed (uint32_t);
@ -88,6 +98,7 @@ private:
#ifdef HAVE_LV2_1_17_2
LV2UI_Request_Value _lv2ui_request_value;
LV2_Feature _lv2ui_request_feature;
std::set<uint32_t> _active_parameter_requests;
#endif
struct lv2_external_ui* _external_ui_ptr;
LV2_Feature _parent_feature;
@ -115,18 +126,14 @@ private:
uint32_t port_index,
bool grabbed);
void set_path_property (const uint32_t key, ARDOUR::Variant const&);
#ifdef HAVE_LV2_1_17_2
static LV2UI_Request_Value_Status
request_value(void* handle,
LV2_URID key,
LV2_URID type,
const LV2_Feature* const* features);
void request_response (int,
ARDOUR::ParameterDescriptor const&,
Gtk::Widget*);
#endif
void set_path_property (int,
const ARDOUR::ParameterDescriptor&,
Gtk::FileChooserDialog*);
std::set<uint32_t> active_parameter_requests;
void update_timeout();