From e525e13e73e0895d1e59872a00f4154e19530721 Mon Sep 17 00:00:00 2001
From: Vadim Lopatin <coolreader.org@gmail.com>
Date: Mon, 21 Mar 2016 17:19:42 +0300
Subject: [PATCH] word wrapping for EditBox - starting implementation, issue
 #206

---
 src/dlangui/core/editable.d   |  7 +++++++
 src/dlangui/widgets/editors.d | 19 +++++++++++++++++++
 2 files changed, 26 insertions(+)

diff --git a/src/dlangui/core/editable.d b/src/dlangui/core/editable.d
index bc028fb8..5a88cfe0 100644
--- a/src/dlangui/core/editable.d
+++ b/src/dlangui/core/editable.d
@@ -441,6 +441,13 @@ alias TokenProp = ubyte;
 /// TokenCategory string
 alias TokenPropString = TokenProp[];
 
+struct LineSpan {
+    /// start index of line
+    int start;
+    /// number of lines it spans
+    int len;
+}
+
 /// interface for custom syntax highlight, comments toggling, smart indents, and other language dependent features for source code editors
 interface SyntaxSupport {
 
diff --git a/src/dlangui/widgets/editors.d b/src/dlangui/widgets/editors.d
index 086d699a..53512829 100644
--- a/src/dlangui/widgets/editors.d
+++ b/src/dlangui/widgets/editors.d
@@ -285,6 +285,25 @@ class EditWidgetBase : ScrollWidgetBase, EditableContentListener, MenuItemAction
         return 1;
     }
 
+    protected bool _wordWrap;
+    /// true if word wrap mode is set
+    @property bool wordWrap() {
+        return _wordWrap;
+    }
+    /// true if word wrap mode is set
+    @property EditWidgetBase wordWrap(bool v) {
+        _wordWrap = v;
+        invalidate();
+        return this;
+    }
+
+    void wrapLine(dstring line, int maxWidth) {
+        
+    }
+
+    /// information about line span into several lines - in word wrap mode
+    protected LineSpan[] _span;
+
     /// override to add custom items on left panel
     protected void updateLeftPaneWidth() {
         _iconsWidth = _showIcons ? _iconsPaneWidth : 0;