From 82a45e611a2638cff7e3fffc09ba4569ca53a274 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Fri, 21 Sep 2018 22:53:12 +0800
Subject: Add selectable switch in text block.

---
 CruUI/ui/controls/text_block.cpp | 22 +++++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

(limited to 'CruUI/ui/controls/text_block.cpp')

diff --git a/CruUI/ui/controls/text_block.cpp b/CruUI/ui/controls/text_block.cpp
index 5fabb3f4..45f0d574 100644
--- a/CruUI/ui/controls/text_block.cpp
+++ b/CruUI/ui/controls/text_block.cpp
@@ -65,6 +65,26 @@ namespace cru
                     text_layout_handlers_.erase(find_result);
             }
 
+            void TextBlock::SetSelectable(const bool is_selectable)
+            {
+                if (!is_selectable)
+                {
+                    is_selecting_ = false;
+                    selected_range_ = std::nullopt;
+                    Repaint();
+                }
+                is_selectable_ = is_selectable;
+            }
+
+            void TextBlock::SetSelectedRange(std::optional<TextRange> text_range)
+            {
+                if (is_selectable_)
+                {
+                    selected_range_ = text_range;
+                    Repaint();
+                }
+            }
+
             void TextBlock::OnSizeChangedCore(events::SizeChangedEventArgs& args)
             {
                 Control::OnSizeChangedCore(args);
@@ -117,7 +137,7 @@ namespace cru
             void TextBlock::OnMouseDownCore(events::MouseButtonEventArgs& args)
             {
                 Control::OnMouseDownCore(args);
-                if (args.GetMouseButton() == MouseButton::Left)
+                if (is_selectable_ && args.GetMouseButton() == MouseButton::Left)
                 {
                     RequestFocus();
                     selected_range_ = std::nullopt;
-- 
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