#include <stdio.h>
#include <stdlib.h>
#include <string.h>
 
#include <gtk/gtk.h>
#include <vte/vte.h>
 
static GtkWidget* window = NULL;
static GtkWidget* term = NULL;
 
void child_exited(VteTerminal *term, gpointer user_data){
	gtk_main_quit();
}
 
void window_init(){
	GdkScreen* screen = gdk_screen_get_default();
	gint width = gdk_screen_get_width(screen);
	gint height = gdk_screen_get_height(screen);
 
	//window
	window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
	gtk_window_set_resizable((GtkWindow*)window, FALSE);
	gtk_window_set_decorated((GtkWindow*)window, FALSE);
	gtk_window_set_skip_taskbar_hint((GtkWindow*)window, TRUE);
	gtk_window_set_skip_pager_hint((GtkWindow*)window, TRUE);
	gtk_window_set_keep_below((GtkWindow*)window, TRUE);
	gtk_window_set_focus_on_map((GtkWindow*)window, FALSE);
	gtk_window_stick((GtkWindow*)window);
	
	gtk_signal_connect(GTK_OBJECT(window), "delete-event",
			GTK_SIGNAL_FUNC(gtk_main_quit), NULL);
	
	term = vte_terminal_new();
	vte_terminal_set_size((VteTerminal*)term, 120, 10);
	vte_terminal_set_background_transparent((VteTerminal*)term, TRUE);
	vte_terminal_set_background_saturation((VteTerminal*)term, 1.0);
	vte_terminal_set_font_from_string((VteTerminal*)term, "Monospace 10");
	vte_terminal_set_word_chars((VteTerminal*)term, "-A-Za-z0-9,./?%&#:_");
	
	gtk_signal_connect(GTK_OBJECT(term), "child-exited",
			GTK_SIGNAL_FUNC(child_exited), NULL);
	
	gtk_container_add(GTK_CONTAINER(window), term);
	gtk_window_set_default_size((GtkWindow*)window, width/2, height/6);
	gtk_window_move((GtkWindow*)window, 0, height-(height/6)-26);
	gtk_widget_show(term);
}
 
int main(int argc, char* argv[])
{
	char* cmd = "/usr/bin/tail";
	char* args[] = {"/usr/bin/tail", "-F", "/var/log/syslog", NULL};
	extern char** environ;
 
	if(argc == 2){
		args[2] = argv[1];
	}
	
	gtk_init(&argc, &argv);
	window_init();
 
	vte_terminal_fork_command((VteTerminal*)term, cmd, args, environ, 
			"/tmp", FALSE, FALSE, FALSE);
 
	gtk_widget_show(window);
	gtk_main();
	
	return 0;
}