int treeNodeCalcPos(Ihandle* h, int *x, int *y, int *text_x)
{
int err;
TtreePtr tree=(TtreePtr)tree_data(h);
Node node = (Node)tree_root(tree);
float posy = IupGetFloat(h, IUP_POSY);
float dy = IupGetFloat(h, IUP_DY);
float posx = IupGetFloat(h, IUP_POSX);
float dx = IupGetFloat(h, IUP_DX);
CdActivate(tree,err);
*y = (int)((1.0 + posy/dy)*(YmaxCanvas(tree)-TREE_TOP_MARGIN));
while(node != tree_selected(tree))
{
if( node_visible(node) == YES ) *y -= NODE_Y;
node = node_next(node);
if (node == NULL)
return 0;
}
*y -= NODE_Y;
*x = (int)(TREE_LEFT_MARGIN - (XmaxCanvas(tree)-NODE_X)*posx/dx) + NODE_X * node_depth(node);
/* if node has a text associated to it... */
*text_x = 0;
if(node_name(node))
{
/* Calculates its dimensions */
iupdrvStringSize(tree->self, node_name(node), text_x, NULL);
}
return 1;
}
state_t pback_play_leaf(pback_t *pback, node_t *leaf, int8_t mode)
{
state_t state;
if (lists.newleaf != NULL)
info("pback_play_leaf(): lists.newleaf was set. Somewhere, a decoder will die.\n");
if (node_visible(leaf, TRAV_ALL))
{
if ((state = pback_start_strands(pback, leaf, mode)) == OK)
{
/* success */
}
else
info("pback_play_leaf(): error in decoder or output. hopefully things should clean themselves up...\n");
}
else
{
error("pback_play_leaf(): leaf was invisible.\n");
state = ERR_VIS;
}
return state;
}
