/** text.c **/
#include <gnome.h>

gint eventDelete(GtkWidget *widget,
        GdkEvent *event,gpointer data);
gint eventDestroy(GtkWidget *widget,
        GdkEvent *event,gpointer data);
gboolean eventDraw(GtkWidget *widget,
        GdkEvent *event,gpointer data);
static void mark(GtkWidget *widget,gint x,gint y);

#define WIDTH 420
#define HEIGHT 140

int main(int argc,char *argv[])
{
    GtkWidget *app;
    GtkWidget *area;

    gnome_init("text","1.0",argc,argv);
    app = gnome_app_new("text","Drawing Text");
    gtk_signal_connect(GTK_OBJECT(app),"delete_event",
            GTK_SIGNAL_FUNC(eventDelete),NULL);
    gtk_signal_connect(GTK_OBJECT(app),"destroy",
            GTK_SIGNAL_FUNC(eventDestroy),NULL);

    area = gtk_drawing_area_new();
    gtk_widget_set_usize(area,WIDTH,HEIGHT);
    gnome_app_set_contents(GNOME_APP(app),area);

    gtk_signal_connect(GTK_OBJECT(area),"event",
            GTK_SIGNAL_FUNC(eventDraw),NULL);

    gtk_widget_show_all(app);
    gtk_main();
    exit(0);
}
gboolean eventDraw(GtkWidget *widget,
        GdkEvent *event,gpointer data) {
    static gchar outString[] =
        "every character in the string is displayed";
    GdkFont *font;

    font = gdk_font_load("vga");
    gdk_draw_string(widget->window,
            font,
            widget->style->black_gc,
            50,50,
            outString);
    gdk_font_unref(font);
    mark(widget,50,50);

    font = gdk_font_load("10x20");
    gdk_draw_text(widget->window,
            font,
            widget->style->black_gc,
            50,80,
            &outString[19],
            23);
    gdk_font_unref(font);
    mark(widget,50,80);

    font = gdk_font_load("12x24");
    gdk_draw_text(widget->window,
            font,
            widget->style->black_gc,
            50,110,
            &outString[6],
            9);
    gdk_font_unref(font);
    mark(widget,50,110);

    return(TRUE);
}
static void mark(GtkWidget *widget,gint x,gint y)
{
    gdk_draw_line(widget->window,
            widget->style->white_gc,
            x - 5,y,
            x + 5,y);
    gdk_draw_line(widget->window,
            widget->style->white_gc,
            x,y-5,
            x,y+5);
}
gint eventDelete(GtkWidget *widget,
        GdkEvent *event,gpointer data) {
    return(FALSE);
}
gint eventDestroy(GtkWidget *widget,
        GdkEvent *event,gpointer data) {
    gtk_main_quit();
    return(0);
}