Add missing file

1 files changed, 181 insertions, 0 deletions

diff --git a/plugins/eg-sampler.lv2/sampler_ui.c b/plugins/eg-sampler.lv2/sampler_ui.c
new file mode 100644
index 0000000..1895f22
--- /dev/null
+++ b/plugins/eg-sampler.lv2/sampler_ui.c
@@ -0,0 +1,181 @@
+/*
+  LV2 Sampler Example Plugin UI
+  Copyright 2011 David Robillard <d@drobilla.net>
+
+  Permission to use, copy, modify, and/or distribute this software for any
+  purpose with or without fee is hereby granted, provided that the above
+  copyright notice and this permission notice appear in all copies.
+
+  THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+
+/**
+   @file ui.c Sampler Plugin UI
+*/
+
+#include <stdlib.h>
+
+#include <gtk/gtk.h>
+
+#include "lv2/lv2plug.in/ns/ext/atom/atom-helpers.h"
+#include "lv2/lv2plug.in/ns/ext/atom/atom.h"
+#include "lv2/lv2plug.in/ns/ext/uri-map/uri-map.h"
+#include "lv2/lv2plug.in/ns/extensions/ui/ui.h"
+
+#define NS_ATOM "http://lv2plug.in/ns/ext/atom#"
+
+#define SAMPLER_URI    "http://lv2plug.in/plugins/eg-sampler"
+#define SAMPLER_UI_URI "http://lv2plug.in/plugins/eg-sampler#ui"
+#define MIDI_EVENT_URI "http://lv2plug.in/ns/ext/midi#MidiEvent"
+#define FILENAME_URI   SAMPLER_URI "#filename"
+#define STRING_BUF     8192
+
+typedef struct {
+	LV2_URI_Map_Feature* uri_map;
+
+	LV2UI_Write_Function write;
+	LV2UI_Controller     controller;
+
+	GtkWidget*           button;
+} SamplerUI;
+
+static uint32_t
+uri_to_id(SamplerUI* ui, const char* uri)
+{
+	return ui->uri_map->uri_to_id(ui->uri_map->callback_data,
+	                              NULL, uri);
+}
+
+static void
+on_load_clicked(GtkWidget* widget,
+                void*      handle)
+{
+	SamplerUI* ui = (SamplerUI*)handle;
+
+	GtkWidget* dialog = gtk_file_chooser_dialog_new(
+		"Load Sample",
+		NULL,
+		GTK_FILE_CHOOSER_ACTION_OPEN,
+		GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
+		GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
+		NULL);
+
+	if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT) {
+		char* filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog));
+		const size_t filename_len = strlen(filename);
+		fprintf(stderr, "LOAD SAMPLE %s\n", filename);
+		const size_t msg_size = sizeof(LV2_Atom)
+			+ sizeof(LV2_Object)
+			+ sizeof(LV2_Atom_Property)
+			+ filename_len + 1;;
+
+		uint8_t buf[msg_size];
+		LV2_Atom* msg = (LV2_Atom*)buf;
+
+		msg->type = uri_to_id(ui, NS_ATOM "Blank");
+		msg->size = 0;
+		LV2_Object* obj = (LV2_Object*)msg->body;
+		obj->context = 0;
+		obj->id = 0;
+
+		lv2_atom_append_property(msg,
+		                         uri_to_id(ui, FILENAME_URI),
+		                         uri_to_id(ui, NS_ATOM "String"),
+		                         filename_len + 1,
+		                         (const uint8_t*)filename);
+
+		//ui->write(ui->controller,
+		//          0,
+		          
+		                                   
+		                         
+	}
+}
+
+static LV2UI_Handle
+instantiate(const LV2UI_Descriptor*   descriptor,
+            const char*               plugin_uri,
+            const char*               bundle_path,
+            LV2UI_Write_Function      write_function,
+            LV2UI_Controller          controller,
+            LV2UI_Widget*             widget,
+            const LV2_Feature* const* features)
+{
+	SamplerUI* ui = (SamplerUI*)malloc(sizeof(SamplerUI));
+	ui->uri_map    = NULL;
+	ui->write      = write_function;
+	ui->controller = controller;
+	ui->button     = NULL;
+
+	*widget = NULL;
+
+	for (int i = 0; features[i]; ++i) {
+		if (strcmp(features[i]->URI, LV2_URI_MAP_URI) == 0) {
+			ui->uri_map = (LV2_URI_Map_Feature*)features[i]->data;
+		}
+	}
+
+	if (!ui->uri_map) {
+		fprintf(stderr, "sampler_ui: Host does not support uri-map\n");
+		free(ui);
+		return NULL;
+	}
+
+	ui->button = gtk_button_new_with_label("Load Sample");
+	g_signal_connect(ui->button, "clicked",
+	                 G_CALLBACK(on_load_clicked),
+	                 ui);
+
+	*widget = ui->button;
+
+	return ui;
+}
+
+static void
+cleanup(LV2UI_Handle handle)
+{
+	SamplerUI* ui = (SamplerUI*)handle;
+	gtk_widget_destroy(ui->button);
+	free(ui);
+}
+
+static void
+port_event(LV2UI_Handle handle,
+           uint32_t     port_index,
+           uint32_t     buffer_size,
+           uint32_t     format,
+           const void*  buffer)
+{
+}
+
+const void*
+extension_data(const char* uri)
+{
+	return NULL;
+}
+
+static const LV2UI_Descriptor descriptor = {
+	SAMPLER_UI_URI,
+	instantiate,
+	cleanup,
+	port_event,
+	extension_data
+};
+
+LV2_SYMBOL_EXPORT
+const LV2UI_Descriptor*
+lv2ui_descriptor(uint32_t index)
+{
+	switch (index) {
+	case 0:
+		return &descriptor;
+	default:
+		return NULL;
+	}
+}