From 9138d35a1087b5176f13b64a0ed5a434e4c6aee9 Mon Sep 17 00:00:00 2001
From: Vadim Lopatin <coolreader.org@gmail.com>
Date: Thu, 7 Sep 2017 12:02:24 +0300
Subject: [PATCH] clear selection on home/end key if needed - close #421

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

diff --git a/src/dlangui/widgets/editors.d b/src/dlangui/widgets/editors.d
index e33f8396..a0e229fb 100644
--- a/src/dlangui/widgets/editors.d
+++ b/src/dlangui/widgets/editors.d
@@ -1247,6 +1247,12 @@ class EditWidgetBase : ScrollWidgetBase, EditableContentListener, MenuItemAction
         return _content.lineRange(_caretPos.line);
     }
 
+    /// clears selection (don't change text, just unselect)
+    void clearSelection() {
+        _selectionRange = TextRange(_caretPos, _caretPos);
+        invalidate();
+    }
+
     protected bool removeRangeText(TextRange range) {
         if (range.empty)
             return false;
@@ -1390,6 +1396,9 @@ class EditWidgetBase : ScrollWidgetBase, EditableContentListener, MenuItemAction
                         _caretPos.pos = space.firstNonSpaceIndex;
                     ensureCaretVisible();
                     updateSelectionAfterCursorMovement(oldCaretPos, (a.id & 1) != 0);
+                    if (a.id == EditorActions.LineBegin && _caretPos == oldCaretPos) {
+                        clearSelection();
+                    }
                 }
                 return true;
             case DocumentEnd:
@@ -1407,6 +1416,8 @@ class EditWidgetBase : ScrollWidgetBase, EditableContentListener, MenuItemAction
                     _caretPos.pos = cast(int)currentLine.length;
                     ensureCaretVisible();
                     updateSelectionAfterCursorMovement(oldCaretPos, (a.id & 1) != 0);
+                } else if (a.id == EditorActions.LineEnd) {
+                        clearSelection();
                 }
                 return true;
             case DelPrevWord: