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Prototype LV2 dialog-message feature extension

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Robin Gareus 2021-10-06 05:04:57 +02:00
parent 532fbc41cb
commit 72e5ec2c5e
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2 changed files with 49 additions and 2 deletions
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26
gtk2_ardour/lv2_plugin_ui.cc
View file

@ -140,7 +140,9 @@ LV2PluginUI::request_response (int response,
}
break;
case Variant::BOOL:
set_path_property (desc.key, Variant (Variant::BOOL, response == Gtk::RESPONSE_YES));
if (response != Gtk::BUTTONS_OK) {
set_path_property (desc.key, Variant (Variant::BOOL, response == Gtk::RESPONSE_YES));
}
break;
default:
break;
@ -197,7 +199,27 @@ LV2PluginUI::request_value(void* handle,
case Variant::BOOL:
{
ArdourMessageDialog* msg = new ArdourMessageDialog (desc.label, false, Gtk::MESSAGE_QUESTION, Gtk::BUTTONS_YES_NO, false);
std::string message = desc.label;
Gtk::MessageType type = Gtk::MESSAGE_QUESTION;
Gtk::ButtonsType buttons = Gtk::BUTTONS_YES_NO;
#ifdef LV2_EXTENDED
for (int i = 0; features && features[i]; ++i) {
if (!strcmp (features[i]->URI, LV2_DIALOGMESSAGE_URI)) {
LV2_Dialog_Message* mt = NULL;
mt = (LV2_Dialog_Message*) features[i]->data;
if (mt->msg) {
message = mt->msg;
mt->free_msg (mt->msg);
}
if (!mt->requires_return) {
type = Gtk::MESSAGE_INFO;
buttons = Gtk::BUTTONS_OK;
}
}
}
#endif
ArdourMessageDialog* msg = new ArdourMessageDialog (message, false, type, buttons, false);
msg->signal_response().connect (sigc::bind (sigc::mem_fun (*me, &LV2PluginUI::request_response), desc, msg));
msg->present();
}

25
libs/ardour/ardour/lv2_extensions.h
View file

@ -276,6 +276,31 @@ typedef struct {
void (*notify)(LV2_BankPatch_Handle handle, uint8_t channel, uint32_t bank, uint8_t pgm);
} LV2_BankPatch;
/**
@}
*/
/**
@defgroup LV2_Dialog_Message
LV2 extension to allow a plugin to ask a host to display
a dedicated dialog message when requesting a value
@{
*/
#define LV2_DIALOGMESSAGE_URI "http://ardour.org/lv2/dialog_message"
/** a LV2 Feature provided by the Plugin, passed as optional feature to LV2_UI__requestValue */
typedef struct {
void (*free_msg)(char const* msg);
char const* msg;
bool requires_return;
} LV2_Dialog_Message;
/**
@}
*/