C++ (Cpp) GrowCtx::change_scrollbar示例

示例#1

static void scroll_v_action( 	GtkWidget 	*w,
				gpointer 	data)
{
  GrowWidgetGtk *groww = (GrowWidgetGtk *)data;

  if ( groww->scroll_v_ignore) {
    groww->scroll_v_ignore = 0;
    return;
  }
    
  GrowCtx *ctx = (GrowCtx *) groww->grow_ctx;
  gdouble value;
  value = gtk_range_get_value( GTK_RANGE(groww->scroll_v));

  if ( value == 0 && fabs(groww->scroll_v_value) > 2) {
    // Probably a resize that seems to set value to zero, set old value
    ctx->change_scrollbar();
    return;
  }
  groww->scroll_v_value = value;

  glow_scroll_vertical( ctx, int(value), 0);
}