/*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
#+
#+     Glade / Gtk Programming
#+
#+     Copyright (C) 2019 by Kevin C. O'Kane
#+
#+     Kevin C. O'Kane
#+     kc.okane@gmail.com
#+     https://www.cs.uni.edu/~okane
#+     http://threadsafebooks.com/
#+
#+ This program is free software; you can redistribute it and/or modify
#+ it under the terms of the GNU General Public License as published by
#+ the Free Software Foundation; either version 2 of the License, or
#+ (at your option) any later version.
#+
#+ This program is distributed in the hope that it will be useful,
#+ but WITHOUT ANY WARRANTY; without even the implied warranty of
#+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#+ GNU General Public License for more details.
#+
#+ You should have received a copy of the GNU General Public License
#+ along with this program; if not, write to the Free Software
#+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#+
#++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/

#include <stdlib.h>
#include <sys/types.h>
#include <signal.h>
#include <unistd.h>
#include <string.h>
#include <gtk/gtk.h>
#include <gtk/gtkx.h>
#include <math.h>
#include <time.h>
#include <ctype.h>
#include <sys/mman.h>

GtkWidget		*window;
GtkWidget		*fixed1;
GtkWidget		*view1;
GtkTreeStore		*treeStore;
GtkTreeView		*tv1;
GtkTreeViewColumn	*cx1;
GtkTreeViewColumn	*cx2;
GtkTreeSelection	*selection;
GtkCellRenderer		*cr1;
GtkCellRenderer		*cr2;
GtkBuilder		*builder; 

void		on_destroy(); 

int main(int argc, char *argv[]) {

	gtk_init(&argc, &argv); // init Gtk

	builder = gtk_builder_new_from_file ("part1.glade");
 
	window = GTK_WIDGET(gtk_builder_get_object(builder, "window"));

	g_signal_connect(window, "destroy", G_CALLBACK(on_destroy), NULL);

        gtk_builder_connect_signals(builder, NULL);

	fixed1		= GTK_WIDGET(gtk_builder_get_object(builder, "fixed1"));
	view1		= GTK_WIDGET(gtk_builder_get_object(builder, "view1"));
	treeStore	= GTK_TREE_STORE(gtk_builder_get_object(builder, "treeStore"));
	tv1		= GTK_TREE_VIEW(gtk_builder_get_object(builder, "tv1"));
	cx1		= GTK_TREE_VIEW_COLUMN(gtk_builder_get_object(builder, "cx1")); // col 1
	cx2		= GTK_TREE_VIEW_COLUMN(gtk_builder_get_object(builder, "cx2")); // col 2
	cr1		= GTK_CELL_RENDERER(gtk_builder_get_object(builder, "cr1")); // col 1 renderer
	cr2		= GTK_CELL_RENDERER(gtk_builder_get_object(builder, "cr2")); // col 2 renderer
	selection	= GTK_TREE_SELECTION(gtk_builder_get_object(builder, "selection")); // tree view selection

	gtk_tree_view_column_add_attribute(cx1, cr1, "text", 0); // attach the renderer to the column
	gtk_tree_view_column_add_attribute(cx2, cr2, "text", 1); // attach the renderer to the column

	GtkTreeIter iter;	// iterators
	GtkTreeIter iterChild1;	// iterators
	GtkTreeIter iterChild2;	// iterators

	gtk_tree_store_append (treeStore, &iter, NULL);
	gtk_tree_store_set(treeStore, &iter, 0, "row 1", -1);
	gtk_tree_store_set(treeStore, &iter, 1, "row 1 data", -1);

	gtk_tree_store_append (treeStore, &iterChild1, &iter);
	gtk_tree_store_set(treeStore, &iterChild1, 0, "row 1 child", -1);
	gtk_tree_store_set(treeStore, &iterChild1, 1, "row 1 child data", -1);

	gtk_tree_store_append (treeStore, &iter, NULL);
	gtk_tree_store_set(treeStore, &iter, 0, "row 2", -1);
	gtk_tree_store_set(treeStore, &iter, 1, "row 2 data", -1);

	gtk_tree_store_append (treeStore, &iterChild1, &iter);
	gtk_tree_store_set(treeStore, &iterChild1, 0, "row 2 child", -1);
	gtk_tree_store_set(treeStore, &iterChild1, 1, "row 2 child data", -1);

	gtk_tree_store_append (treeStore, &iterChild2, &iterChild1);
	gtk_tree_store_set(treeStore, &iterChild2, 0, "row 2 child of child", -1);
	gtk_tree_store_set(treeStore, &iterChild2, 1, "row 2 child of child data", -1);

	selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(tv1));

	gtk_widget_show_all(window);
	gtk_main();
	return EXIT_SUCCESS;
	}

void	on_select_changed(GtkWidget *c) { 

	gchar *value;
	GtkTreeIter iter;
	GtkTreeModel *model;

	if (gtk_tree_selection_get_selected
		(GTK_TREE_SELECTION(c), &model, &iter) == FALSE)
			return;

	gtk_tree_model_get(model, &iter, 0, &value,  -1);
	printf("col 0 = %s; ", value);
	gtk_tree_model_get(model, &iter, 1, &value,  -1);
	printf("col 1  = %s\n", value);
	}

void	on_destroy() {
		gtk_main_quit();
		}