void draw_background_by_rect(GtkWidget* widget, struct DisplayInfo info,
const gchar* xatom_name)
{
g_message("[%s], %dx%d(%d,%d)\n", __func__, info.width, info.height,
info.x, info.y);
gtk_widget_set_size_request(widget, info.width, info.height);
gtk_window_move(GTK_WINDOW(widget), info.x, info.y);
setup_background(widget,NULL,xatom_name);
gtk_widget_realize (widget);
GdkWindow* gdkwindow = gtk_widget_get_window (widget);
gdk_window_set_accept_focus(gdkwindow,FALSE);
gdk_window_set_override_redirect (gdkwindow, TRUE);
gtk_widget_show (widget);
}
/* the main function */
int main( ) {
/* we set the mode to mode 0 with bg0 on */
*display_control = MODE0 | BG0_ENABLE;
/* setup the background 0 */
setup_background();
/* set initial scroll to 0 */
int xscroll = 0;
int yscroll = 0;
/* loop forever */
while (1) {
/* scroll with the arrow keys */
if (button_pressed(BUTTON_DOWN)) {
yscroll++;
}
if (button_pressed(BUTTON_UP)) {
yscroll--;
}
if (button_pressed(BUTTON_RIGHT)) {
xscroll++;
}
if (button_pressed(BUTTON_LEFT)) {
xscroll--;
}
/* wait for vblank before scrolling */
wait_vblank();
*bg0_x_scroll = xscroll;
*bg0_y_scroll = yscroll;
/* delay some */
delay(200);
}
}
