ardour/livetrax
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Extend LV2UI-Request-Parameter File/Path GUI

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This is a bit of a playground implementation, the various `#if 0`
code-blocks should be removed.
This commit is contained in:
Robin Gareus 2018-11-22 15:02:35 +01:00
parent f795462100
commit e297951b30
2 changed files with 57 additions and 16 deletions
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69
gtk2_ardour/lv2_plugin_ui.cc
View File

@ -17,6 +17,8 @@
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <gtkmm/stock.h>
#include "ardour/lv2_plugin.h"
#include "ardour/session.h"
#include "pbd/error.h"
@ -114,6 +116,23 @@ LV2PluginUI::touch(void* controller,
}
}
void
LV2PluginUI::set_path_property (int response,
const ParameterDescriptor& desc,
Gtk::FileChooserDialog* widget)
{
if (response == Gtk::RESPONSE_ACCEPT) {
plugin->set_property (desc.key, Variant (Variant::PATH, widget->get_filename()));
}
#if 0
widget->hide ();
delete_when_idle (widget);
#else
delete widget;
#endif
active_parameter_requests.erase (desc.key);
}
uint32_t
LV2PluginUI::request_parameter (void* handle, LV2_URID key)
{
@ -122,35 +141,53 @@ LV2PluginUI::request_parameter (void* handle, LV2_URID key)
/* This will return `PropertyDescriptors nothing` when not found */
const ParameterDescriptor& desc (me->_lv2->get_property_descriptor(key));
if (desc.datatype != Variant::PATH) {
return -1;
return 0;
}
// TODO: check if window for current URID already exists -> return -1;
// Create and show window, subscribe to file-selected signal
// then return 0; don't block here.
#if 0 // MODAL, blocking
Gtk::FileChooserDialog lv2ui_file_dialog (desc.label, FILE_CHOOSER_ACTION_OPEN);
Gtk::FileChooserDialog* lv2ui_file_dialog (desc.label, FILE_CHOOSER_ACTION_OPEN);
Gtkmm2ext::add_volume_shortcuts (lv2ui_file_dialog);
lv2ui_file_dialog.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
lv2ui_file_dialog.add_button (Gtk::Stock::OPEN, Gtk::RESPONSE_ACCEPT);
lv2ui_file_dialog.set_default_response(Gtk::RESPONSE_ACCEPT);
if (_file_dialog.run()= Gtk::RESPONSE_ACCEPT) {
me->plugin->set_property (desc.key, Variant(Variant::PATH, lv2ui_file_dialog.get_filename()));
}
return 0;
/* LV2Plugin does not currently save property values and only
* emits a PropertyChanged(urid, Variant) signal
*/
//lv2ui_file_dialog.set_current_folder (TODO)
#else
#if 0 // TODO mime-type,
if (me->active_parameter_requests.find (key) != me->active_parameter_requests.end()) {
return 0; /* already showing dialog */
}
me->active_parameter_requests.insert (key);
Gtk::FileChooserDialog* lv2ui_file_dialog = new Gtk::FileChooserDialog(desc.label, FILE_CHOOSER_ACTION_OPEN);
Gtkmm2ext::add_volume_shortcuts (*lv2ui_file_dialog);
lv2ui_file_dialog->add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
lv2ui_file_dialog->add_button (Gtk::Stock::OPEN, Gtk::RESPONSE_ACCEPT);
lv2ui_file_dialog->set_default_response(Gtk::RESPONSE_ACCEPT);
/* this assumes announce_property_values() was called, or
* the plugin has previously sent a patch:Set */
const Variant& value = me->_lv2->get_property_value (desc.key);
if (value.type() == Variant::PATH) {
lv2ui_file_dialog->set_filename (value.get_path());
}
#if 0 // TODO mime-type, file-extension filter, get from LV2 Parameter Property
FileFilter file_ext_filter;
file_ext_filter.add_pattern ("*.foo");
file_ext_filter.set_name ("Foo File");
lv2ui_file_dialog.add_filter (file_ext_filter);
#endif
int response = lv2ui_file_dialog.run();
lv2ui_file_dialog.hide ();
if (response == Gtk::RESPONSE_OK) {
me->plugin->set_property (desc.key, Variant(Variant::PATH, lv2ui_file_dialog.get_filename()));
}
lv2ui_file_dialog->signal_response().connect (sigc::bind (sigc::mem_fun (*me, &LV2PluginUI::set_path_property), desc, lv2ui_file_dialog));
lv2ui_file_dialog->present();
return 0;
#endif
}
void

4
gtk2_ardour/lv2_plugin_ui.h
View File

@ -120,6 +120,10 @@ private:
bool grabbed);
static uint32_t request_parameter (void* handle, LV2_URID key);
void set_path_property (int,
const ARDOUR::ParameterDescriptor&,
Gtk::FileChooserDialog*);
std::set<uint32_t> active_parameter_requests;
void update_timeout();