add: panel->color.set = cpRGB;
context: wheelPositionSelection(W_ColorPanel *panel, int x, int y){    unsigned long	ofs = (y * panel->wheelMtrx->width)+ x;        panel->color.red	= panel->wheelMtrx->values[ 	panel->wheelMtrx->data[0][ofs] ];        panel->color.green	= panel->wheelMtrx->values[ 	panel->wheelMtrx->data[1][ofs] ];    panel->color.blue	= panel->wheelMtrx->values[ 	panel->wheelMtrx->data[2][ofs] ];        wheelUndrawSelection(panel);        panel->colx = x;    panel->coly = y;        wheelUpdateSelection(panel);    wheelUpdateBrightnessGradientFromLocation(panel);}