From 70d27155b0db27f818ddb7564ca793b8eca7cc4f Mon Sep 17 00:00:00 2001
From: Vadim Lopatin <coolreader.org@gmail.com>
Date: Mon, 9 Feb 2015 17:42:05 +0300
Subject: [PATCH] support toggle comment

---
 src/dlangui/core/editable.d | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/dlangui/core/editable.d b/src/dlangui/core/editable.d
index e3c93634..e4eaf6ff 100644
--- a/src/dlangui/core/editable.d
+++ b/src/dlangui/core/editable.d
@@ -185,6 +185,17 @@ struct TextPosition {
 struct TextRange {
     TextPosition start;
     TextPosition end;
+    bool intersects(const ref TextRange v) const {
+        if (start >= v.end)
+            return false;
+        if (end <= v.start)
+            return false;
+        return true;
+    }
+    /// returns true if position is inside this range
+    bool isInside(TextPosition p) const {
+        return start <= p && end > p;
+    }
     /// returns true if range is empty
     @property bool empty() const {
         return end <= start;