vikky

/*gcc -g -Wall `pkg-config gtk+-2.0 --cflags`  `pkg-config gtk+-2.0 --libs`  hello.c   -o hello*/#include <gtk/gtk.h>#include <cairo.h>#include <pthread.h>#define DEFAULT_WIDTH  400#define DEFAULT_HEIGHT 200int count= 0;gboolean paint(GtkWidget *widget, GdkEventExpose *event, gpointer udata){  gint i;  cairo_t *cr;	cr = gdk_cairo_create (gtk_tree_view_get_bin_window(widget));  	cairo_select_font_face (cr, "Sans", CAIRO_FONT_SLANT_NORMAL,                                        CAIRO_FONT_WEIGHT_BOLD);	cairo_set_font_size (cr, 40);	cairo_move_to (cr, 40, 60);	cairo_set_source_rgb (cr, 0,0,0);	cairo_show_text (cr, "Hello World");	cairo_destroy (cr);	return FALSE; }gboolean change_color(GtkListStore *list){	GtkTreeIter iter,iter_c;	char buffer[16];	gtk_tree_model_get_iter_from_string(list,&iter,"3");	switch(count){	case 0:		gtk_list_store_set(list,&iter,1,"#666666",-1);		count++;		break;	case 1:		gtk_list_store_set(list,&iter,1,"#555555",-1);		count++;		break;	case 2:		gtk_list_store_set(list,&iter,1,"#444444",-1);		count++;		break;	case 3:		gtk_list_store_set(list,&iter,1,"#333333",-1);		count++;		break;	case 4:		gtk_list_store_set(list,&iter,1,"#444444",-1);		count++;		break;	case 5:		gtk_list_store_set(list,&iter,1,"#555555",-1);		count =0;	}	return TRUE;}gint main (gint    argc, gchar **argv){  GtkWidget *window;  GtkWidget *canvas;       /* Secure glib */        if( ! g_thread_supported() ) g_thread_init( NULL );        /* Secure gtk */        gdk_threads_init();        gdk_threads_enter();        gtk_init(&argc,&argv);  /* create a new top level window   */  window   = gtk_window_new (GTK_WINDOW_TOPLEVEL);	GtkWidget *swindow	 = gtk_scrolled_window_new(NULL,NULL);  /* make the gtk terminate the process the close button is pressed   */  g_signal_connect (G_OBJECT (window), "delete-event",                    G_CALLBACK (gtk_main_quit), NULL);	GtkListStore *list = gtk_list_store_new(2, G_TYPE_STRING,G_TYPE_STRING);	GtkTreeView *view = gtk_tree_view_new_with_model(list);	gtk_tree_view_insert_column_with_attributes(view,0,"strings",		gtk_cell_renderer_text_new(),"text",0,"background",1,NULL);	int i;	GtkTreeIter iter,iter_c;	char buffer[16];	for(i=0;i<20;i++){		gtk_list_store_insert_before(list,&iter,NULL);		gtk_list_store_set(list,&iter,0,"This is a really cool line of text ok",-1);	}  gtk_widget_set_size_request (view, DEFAULT_WIDTH, DEFAULT_HEIGHT);  g_signal_connect_after(G_OBJECT (view), "expose-event",                    G_CALLBACK (paint),                    NULL                   );  gtk_container_add (GTK_CONTAINER (swindow), view);  gtk_container_add (GTK_CONTAINER (window), swindow);	pthread_t tid;//	pthread_create(&tid,NULL,paint,view);	gdk_threads_add_timeout(200,change_color,list);	gtk_widget_show_all (window); 	gtk_main ();	gdk_threads_leave();	return 0;}