#include <gtk/gtk.h>

/* gcc table3.c -Wall -o table3 `pkg-config --cflags --libs gtk+-2.0` */

GThread *t1;
gpointer thrfn(gpointer data);
GtkWidget *view;
GdkColor green = {0, 0, 0xffff, 0};

GtkWidget *createtable(int rows, int columns)
{
    int i, j;
    GtkWidget *frame, *tview;
    GtkWidget *table1 = gtk_table_new(rows, columns, FALSE);
    for(i=0; i<rows; i++)
        for(j=0; j<columns; j++) {
            frame = gtk_frame_new(NULL);
            gtk_container_set_border_width(GTK_CONTAINER(frame), 0.5);
            gtk_widget_modify_bg(frame, GTK_STATE_NORMAL, &green);
            // tview = gtk_text_view_new();
            tview = gtk_entry_new();
            gtk_container_add(GTK_CONTAINER(frame), tview);
            gtk_table_attach_defaults(GTK_TABLE(table1), frame, j, j+1, i, i+1);
        }
    frame = gtk_frame_new(NULL);
    gtk_container_set_border_width(GTK_CONTAINER(frame), 0.5);
    gtk_widget_modify_bg(frame, GTK_STATE_NORMAL, &green);
    gtk_widget_set_size_request(frame, 200, 200);
    gtk_container_add(GTK_CONTAINER(frame), table1);
    return frame;
}

int main( int argc, char *argv[])
{
    GtkWidget *window;
    if(!g_thread_supported())
        g_thread_init(NULL);
    gdk_threads_init();
    gdk_threads_enter();
    gtk_init(&argc, &argv);
    window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
    g_signal_connect(G_OBJECT(window), "destroy", G_CALLBACK(gtk_main_quit), NULL);
    gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
    gtk_window_set_default_size(GTK_WINDOW(window), 630, 650);
    gtk_window_set_title(GTK_WINDOW(window), "");
    gtk_container_set_border_width(GTK_CONTAINER(window), 5);

    view = gtk_text_view_new();
    gtk_container_add(GTK_CONTAINER(window), view);
    gtk_widget_show_all(window);
    t1 = g_thread_create(thrfn, NULL, FALSE, NULL);
    gtk_main();
    gdk_threads_leave();
    return 0;
}

gboolean tblinsert(gpointer data)
{
    GtkTextIter iter;
    GtkWidget *table1 = createtable(4, 2);
    GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(view));
    gtk_text_buffer_get_end_iter(buffer, &iter);
    GtkTextChildAnchor *anchor = gtk_text_buffer_create_child_anchor(buffer, &iter);
    gtk_text_view_add_child_at_anchor(GTK_TEXT_VIEW(view), table1, anchor);
    gtk_widget_show_all(table1);
    return FALSE;
}

gpointer thrfn(gpointer data)
{
    // g_idle_add((GSourceFunc)tblinsert, NULL);
    // g_main_context_invoke(NULL, (GSourceFunc)tblinsert, NULL);
    gdk_threads_enter();
    tblinsert(NULL);
    gdk_threads_leave();
    return NULL;
}