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Added a read-only dimensions property for Nodes. This returns the actual node size as calculated in the node_update functions. It can be useful for node layout scripts, since the width/height properties

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are not an accurate representation of the actual node size which is determined by the uiLayout.

Please note that the dimensions calculation depends on the drawing of nodes, so it may not get updated if nodes are not visible in any editor. Also the node height in particular can change dramatically
based on previews, visible sockets, etc.
This commit is contained in:
Lukas Toenne 2013-06-14 08:59:21 +00:00
parent 1fe21f29ec
commit 49065fcbe8
1 changed files with 13 additions and 0 deletions
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13
source/blender/makesrna/intern/rna_nodetree.c
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@ -1653,6 +1653,13 @@ static void rna_Node_height_range(PointerRNA *ptr, float *min, float *max, float
*max = *softmax = node->typeinfo->maxheight;
}
static void rna_Node_dimensions_get(PointerRNA *ptr, float *value)
{
bNode *node = ptr->data;
value[0] = node->totr.xmax - node->totr.xmin;
value[1] = node->totr.ymax - node->totr.ymin;
}
/* ******** Node Socket ******** */
@ -6653,6 +6660,12 @@ static void rna_def_node(BlenderRNA *brna)
RNA_def_property_ui_text(prop, "Height", "Height of the node");
RNA_def_property_update(prop, NC_NODE | ND_DISPLAY, NULL);
prop = RNA_def_property(srna, "dimensions", PROP_FLOAT, PROP_XYZ_LENGTH);
RNA_def_property_array(prop, 2);
RNA_def_property_float_funcs(prop, "rna_Node_dimensions_get", NULL, NULL);
RNA_def_property_ui_text(prop, "Dimensions", "Absolute bounding box dimensions of the node");
RNA_def_property_clear_flag(prop, PROP_EDITABLE);
prop = RNA_def_property(srna, "name", PROP_STRING, PROP_NONE);
RNA_def_property_ui_text(prop, "Name", "Unique node identifier");
RNA_def_struct_name_property(srna, prop);