Parameters *params;

GtkWidget *vbox;

GtkWidget *mainWindow;

GtkWidget *image;

GtkObject *adjRFac, *adjAVal, *adjMVal, *adjCirc, *adjKx, *adjKy;

#define UNROLL_CALLBACK(param)\

static void param##Changed( GtkAdjustment *adj, gpointer data){\

Parameters *params = (Parameters *)data;\

params->tp->param = adj->value;\

}

UNROLL_CALLBACK(radiusFactor);

UNROLL_CALLBACK(circlePointsCurrentAdj);

UNROLL_CALLBACK(aValue);

UNROLL_CALLBACK(mValue);

UNROLL_CALLBACK(kx);

UNROLL_CALLBACK(ky);

#undef UNROLL_CALLBACK

static void chooseBarkClicked(GtkWidget *w,gpointer data) {

GtkWidget *dialog;

TrunkParametersPanel *tpp=(TrunkParametersPanel*)data;

dialog = gtk_file_chooser_dialog_new("Select bmp file with bark texture",GTK_WINDOW(tpp->mainWindow),GTK_FILE_CHOOSER_ACTION_OPEN,GTK_STOCK_CANCEL,GTK_RESPONSE_CANCEL,GTK_STOCK_OPEN,GTK_RESPONSE_ACCEPT,NULL);

if(gtk_dialog_run(GTK_DIALOG(dialog))==GTK_RESPONSE_ACCEPT) {

char *filename=gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog));

char *tmpname=Bmp::generateIcon(filename);

gtk_image_set_from_file(GTK_IMAGE(tpp->image),tmpname);

tpp->params->tp->setBarkPath(filename);

tpp->params->tp->barkTexInitialized=FALSE;

}

gtk_widget_destroy(dialog);

}

TrunkParametersPanel(GtkWidget *window,Parameters *params) {

this->params=params;

this->mainWindow=window;

}

GtkWidget* createPanel() {

GtkWidget *trunkWidget=gtk_frame_new("Trunk Parameters");

GtkTooltips *tooltips=gtk_tooltips_new();

GtkWidget *button,*scale,*label,*hbox;

vbox=gtk_vbox_new(FALSE,1);

gtk_container_add (GTK_CONTAINER (trunkWidget), vbox);

#define PACK_LABEL_AND_SLIDER(var_name,text,val,min,max,step,func,digits,hint)\

hbox = gtk_hbox_new(FALSE,1);\

label = gtk_label_new(text);\

var_name=gtk_adjustment_new(params->tp->val,min,max,step,1,0);\

g_signal_connect(var_name,"value_changed",G_CALLBACK(func),params);\

scale=gtk_hscale_new(GTK_ADJUSTMENT(var_name));\

gtk_scale_set_digits (GTK_SCALE (scale), digits);\

gtk_box_pack_start(GTK_BOX(vbox),hbox,FALSE,FALSE,1);\

gtk_box_pack_start(GTK_BOX(hbox),label,FALSE,FALSE,0);\

gtk_box_pack_start(GTK_BOX(hbox),scale,TRUE,TRUE,0);\

gtk_tooltips_set_tip(tooltips,scale,hint,NULL);\

gtk_widget_show(label);\

gtk_widget_show(hbox);\

gtk_widget_show(scale);

//trunk parameters

PACK_LABEL_AND_SLIDER(adjRFac,"rFactor",RADIUSFACTOR_DEFAULT,1.0,2.5,0.1,radiusFactorChanged,1,"Radius factor");

PACK_LABEL_AND_SLIDER(adjAVal,"aValue",AVALUE_DEFAULT,0.00,0.01,0.0001,aValueChanged,3,"Branch diameter increase value");

PACK_LABEL_AND_SLIDER(adjMVal,"mValue",MVALUE_DEFAULT,1,1.1,0.01,mValueChanged,2,"Branch diameter multiplication value");

PACK_LABEL_AND_SLIDER(adjCirc,"circle",CIRCLEPOINTS_DEFAULT,3,20,1,circlePointsCurrentAdjChanged,0,"Points aproximating branch circle");

PACK_LABEL_AND_SLIDER(adjKx,"kx",KX_DEFAULT,1,10,1,kxChanged,0,"How many texture length is needed to cover trunk around");

PACK_LABEL_AND_SLIDER(adjKy,"ky",KY_DEFAULT,0.2,2,0.1,kyChanged,1,"Texture size to trunk length ratio");

#undef PACK_LABEL_AND_SLIDER

//auto refresh checkbox

//bark texture select

button=gtk_button_new_with_label("Choose bark texture");

g_signal_connect (G_OBJECT (button), "clicked",G_CALLBACK (this->chooseBarkClicked), this);

//label=gtk_label_new("Choose bark texture:");

gtk_box_pack_start(GTK_BOX(vbox),button,FALSE,FALSE,1);

gtk_tooltips_set_tip(tooltips,button,"Opens file chooser dialog",NULL);

gtk_widget_show(button);

image=gtk_image_new_from_file(Bmp::generateIcon(params->tp->barkPath));

gtk_box_pack_start(GTK_BOX(vbox),image,FALSE,FALSE,1);

gtk_widget_show(image);

gtk_widget_show(trunkWidget);

gtk_widget_show(vbox);

return trunkWidget;

}

void updatePanel()

{

gtk_adjustment_set_value(GTK_ADJUSTMENT(adjRFac), params->tp->radiusFactor);

gtk_adjustment_set_value(GTK_ADJUSTMENT(adjAVal), params->tp->aValue);

gtk_adjustment_set_value(GTK_ADJUSTMENT(adjMVal), params->tp->mValue);

gtk_adjustment_set_value(GTK_ADJUSTMENT(adjCirc), params->tp->circlePointsCurrentAdj);

gtk_adjustment_set_value(GTK_ADJUSTMENT(adjKx), params->tp->kx);

gtk_adjustment_set_value(GTK_ADJUSTMENT(adjKy), params->tp->ky);

gtk_image_set_from_file(GTK_IMAGE(image), Bmp::generateIcon(params->tp->barkPath));

}