overhaul of link anchors on text boxes to use actual Documents to represent selected text. Also got rid of _scrollY and _scrollPreviewY so that all document regions can be focused on using focus() and the new scrollFocus() mechanisim

2 files changed, 10 insertions, 1 deletions

diff --git a/src/client/documents/DocumentTypes.ts b/src/client/documents/DocumentTypes.ts
index 37a148e55..080657fd8 100644
--- a/src/client/documents/DocumentTypes.ts
+++ b/src/client/documents/DocumentTypes.ts
@@ -38,5 +38,7 @@ export enum DocumentType {
 
     LINKDB = "linkdb",          // database of links  ??? why do we have this
     SCRIPTDB = "scriptdb",      // database of scripts
-    GROUPDB = "groupdb"         // database of groups
+    GROUPDB = "groupdb",        // database of groups
+
+    TEXTANCHOR = "textanchor"   // selection of text in a text box
 }
\ No newline at end of file
diff --git a/src/client/documents/Documents.ts b/src/client/documents/Documents.ts
index 1a4aae17e..7d6db06d5 100644
--- a/src/client/documents/Documents.ts
+++ b/src/client/documents/Documents.ts
@@ -373,6 +373,9 @@ export namespace Docs {
             }],
             [DocumentType.GROUP, {
                 layout: { view: EmptyBox, dataField: defaultDataKey }
+            }],
+            [DocumentType.TEXTANCHOR, {
+                layout: { view: EmptyBox, dataField: defaultDataKey }
             }]
         ]);
 
@@ -785,6 +788,10 @@ export namespace Docs {
             return InstanceFromProto(Prototypes.get(DocumentType.DOCHOLDER), document, { title: document ? document.title + "" : "container", targetDropAction: "move", ...options });
         }
 
+        export function TextanchorDocument(options: DocumentOptions = {}) {
+            return InstanceFromProto(Prototypes.get(DocumentType.TEXTANCHOR), document, { targetDropAction: "move", ...options });
+        }
+
         export function FreeformDocument(documents: Array<Doc>, options: DocumentOptions, id?: string) {
             return InstanceFromProto(Prototypes.get(DocumentType.COL), new List(documents), { _chromeStatus: "collapsed", ...options, _viewType: CollectionViewType.Freeform }, id);
         }