Add read-only access to index data for current line, top line and visible lines count.

1 files changed, 18 insertions, 0 deletions

diff --git a/source/blender/makesrna/intern/rna_text.c b/source/blender/makesrna/intern/rna_text.c
index df6181af4b2..3ba6550c400 100644
--- a/source/blender/makesrna/intern/rna_text.c
+++ b/source/blender/makesrna/intern/rna_text.c
@@ -81,6 +81,19 @@ static int rna_Text_modified_get(PointerRNA *ptr)
 	return text_file_modified(text);
 }
 
+static int rna_Text_current_line_index_get(PointerRNA *ptr)
+{
+	Text *text = (Text *)ptr->data;
+	TextLine *linep = text->lines.first;
+	int i = 0;
+	while(linep) {
+		if(text->curl==linep) break;
+		linep = linep->next;
+		i++;
+	}
+	return i;
+}
+
 static void rna_TextLine_body_get(PointerRNA *ptr, char *value)
 {
 	TextLine *line = (TextLine *)ptr->data;
@@ -141,6 +154,11 @@ static void rna_def_text(BlenderRNA *brna)
 	RNA_def_struct_ui_text(srna, "Text", "Text datablock referencing an external or packed text file");
 	RNA_def_struct_ui_icon(srna, ICON_TEXT);
 	RNA_def_struct_clear_flag(srna, STRUCT_ID_REFCOUNT);
+
+	prop = RNA_def_property(srna, "current_line_index", PROP_INT, PROP_NONE);
+	RNA_def_property_clear_flag(prop, PROP_EDITABLE);
+	RNA_def_property_int_funcs(prop, "rna_Text_current_line_index_get", NULL, NULL);
+	RNA_def_property_ui_text(prop, "Current Line Index", "Index of current TextLine in TextLine collection");
 	
 	prop = RNA_def_property(srna, "filepath", PROP_STRING, PROP_NONE);
 	RNA_def_property_string_funcs(prop, "rna_Text_filename_get", "rna_Text_filename_length", "rna_Text_filename_set");