ocarina/ocarina/ocarina.cpp

// Copyright (c) 2011 Bryan Schumaker
#include <version.h>
#include <libsaria.h>
#include <notify.h>
#include <audio.h>
#include <deck.h>
#include <idle.h>

#include "ocarina.h"

static string lib_path;
static GtkBuilder *builder;
static GtkWidget *ban_button;
static GtkWidget *yes_image;
static GtkWidget *no_image;

static void find_exe_path(string &res)
{
	char buf[1024];
	ssize_t len = readlink("/proc/self/exe", buf, sizeof(buf) -1);
	if (len != -1)
		res = string(buf);
}

static void rstrip_word(string &path)
{
	unsigned int index = path.rfind("/");
	if (index != string::npos)
		path = path.substr(0, index);
}

static void find_lib_path()
{
	string exe;

	find_exe_path(exe);
	if (exe == "")
		return;

	rstrip_word(exe); // ocarina-player
	rstrip_word(exe); // bin/

	lib_path = exe + "/lib/ocarina";
	println("Lib directory? %s", lib_path.c_str());
}

string lib_file(const string &path)
{
	string res = lib_path + "/" + path;
	println("Expanding to path: " + res);
	return res;
}

gboolean ocarina_idle(gpointer data)
{
	int size = libsaria::idle::run_task();
	return update_idle_bar(size);
}

static gboolean timeout_poll(gpointer data)
{
	update_progress();
	return TRUE;
}

GObject *get_object(const string &name)
{
	/* TODO: Figure out GtkNotebook action area in GtkBuilder */
	if (name == "BanButton")
		return G_OBJECT(ban_button);
	else if (name == "YesImage")
		return G_OBJECT(yes_image);
	else if (name == "NoImage")
		return G_OBJECT(no_image);
	return gtk_builder_get_object(builder, name.c_str());
}

GtkWidget *get_widget(const string &name)
{
	GtkWidget *widget = GTK_WIDGET(get_object(name));
	if (!widget)
		println(name + " is not a widget!");
	return widget;
}

void connect_signal(const string &name, const string &signal, GCallback func, void *data)
{
	GObject *widget = get_object(name);
	if (widget)
		g_signal_connect(widget, signal.c_str(), func, data);
}

string run_chooser(const string &name)
{
	char *file;
	string filename = "";
	GtkWidget *chooser = get_widget(name);

	if (gtk_dialog_run(GTK_DIALOG(chooser)) == GTK_RESPONSE_OK) {
		file = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(chooser));
		filename = file;
		g_free(file);
	}
	gtk_widget_hide(chooser);
	return filename;
}

static void init_widgets()
{
	ban_button = gtk_toggle_button_new();
	yes_image  = gtk_image_new_from_file(lib_file("thumbs_up.png").c_str());
	no_image   = gtk_image_new_from_file(lib_file("thumbs_down.png").c_str());
	gtk_button_set_image(GTK_BUTTON(ban_button), yes_image);

	/* Prevent widgets from being destroyed when toggling banned button */
	g_object_ref(yes_image);
	g_object_ref(no_image);
}

static void init(int argc, char **argv)
{
	gtk_init(&argc, &argv);

	builder = gtk_builder_new();
	gtk_builder_add_from_file(builder, lib_file("ocarina.xml").c_str(), NULL);

	/* Set up small button style */
	gtk_rc_parse_string(
		"style \"small-button-style\"\n"
		"{\n"
		"	GtkButton::inner-border = {0,0,0,0}\n"
		"}\n"
		"widget \"*.ocarina-small-button\" style \"small-button-style\"");

	/* Initialize widgets static to this file */
	init_widgets();

	/* Other setup */
	init_window();
	init_library();
	init_tabs();
	init_playlist();
	init_status();
	init_pipe();

	/* Connect signals */
	connect_signal("PlayButton",  "clicked", libsaria::audio::play,  NULL);
	connect_signal("PauseButton", "clicked", libsaria::audio::pause, NULL);
	connect_signal("StopButton",  "clicked", libsaria::audio::stop,  NULL);
	connect_signal("PrevButton",  "clicked", libsaria::deck::prev,   NULL);
	connect_signal("NextButton",  "clicked", libsaria::deck::next,   NULL);

	/* Show any widgets that need showing */
	gtk_timeout_add(250, timeout_poll, NULL);
}

int main(int argc, char **argv)
{
	struct libsaria::initdata ls_init = {
		argc,
		argv,
		on_notify,	/* notification handler */
	};
	println("Ocarina " + vers_str());
	find_lib_path();

	libsaria::init(&ls_init);
	init(argc, argv);

	gtk_main();
	libsaria::quit();

	return 0;
}