#include "stringio.h"
#include "shaderlib.h"
#include "generic/callback.h"
+#include "signal/signalfwd.h"
#include "texturelib.h"
#include "xml/ixml.h"
#include "dragplanes.h"
bool patch_filtered(Patch& patch);
void add_patch_filter(PatchFilter& filter, int mask, bool invert = false);
-void Patch_addTextureChangedCallback(const Callback& callback);
+void Patch_addTextureChangedCallback(const SignalHandler& handler);
void Patch_textureChanged();
inline void BezierCurveTreeArray_deleteAll(Array<BezierCurveTree*>& curveTrees)