120 lines
2.7 KiB
C++
120 lines
2.7 KiB
C++
/* a-comp UI -- test/example
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*
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* Copyright (C) 2016 Robin Gareus <robin@gareus.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#define ACOMP_URI "urn:ardour:a-comp"
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#include <stdlib.h>
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#include <gtkmm.h>
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#include "lv2/lv2plug.in/ns/extensions/ui/ui.h"
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using namespace Gtk;
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typedef struct {
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LV2UI_Write_Function write;
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LV2UI_Controller controller;
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Box* box;
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Label* label;
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} ACompUI;
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/******************************************************************************
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* GUI
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*/
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static void* setup_ui (ACompUI* ui) {
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ui->box = manage (new HBox);
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ui->label = manage (new Label ("Hello World"));
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ui->box->pack_start (*ui->label, false, false, 4);
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return ui->box->gobj ();
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}
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/******************************************************************************
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* LV2 callbacks
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*/
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static LV2UI_Handle
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instantiate (const LV2UI_Descriptor* descriptor,
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const char* plugin_uri,
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const char* bundle_path,
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LV2UI_Write_Function write_function,
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LV2UI_Controller controller,
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LV2UI_Widget* widget,
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const LV2_Feature* const* features)
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{
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ACompUI* ui = (ACompUI*)calloc (1, sizeof (ACompUI));
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ui->write = write_function;
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ui->controller = controller;
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ui->box = NULL;
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*widget = setup_ui (ui);
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return ui;
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}
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static void
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cleanup (LV2UI_Handle handle)
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{
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ACompUI* ui = (ACompUI*)handle;
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free (ui);
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}
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static void
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port_event (LV2UI_Handle handle,
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uint32_t port_index,
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uint32_t buffer_size,
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uint32_t format,
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const void* buffer)
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{
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ACompUI* ui = (ACompUI*)handle;
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}
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/******************************************************************************
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* LV2 setup
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*/
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static const void*
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extension_data (const char* uri)
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{
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return NULL;
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}
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static const LV2UI_Descriptor descriptor = {
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ACOMP_URI "#ui",
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instantiate,
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cleanup,
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port_event,
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extension_data
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};
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LV2_SYMBOL_EXPORT
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const LV2UI_Descriptor*
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lv2ui_descriptor (uint32_t index)
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{
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switch (index) {
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case 0:
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return &descriptor;
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default:
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return NULL;
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}
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}
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