From c76d41c903f231eb8db2405e77030dd43e04f32d Mon Sep 17 00:00:00 2001
From: Benau <Benau@users.noreply.github.com>
Date: Fri, 3 Sep 2021 18:25:47 +0800
Subject: [PATCH] Add callback to IGUIStaticText to allow text handling

---
 lib/irrlicht/include/IGUIStaticText.h          |  2 ++
 .../source/Irrlicht/CGUIStaticText.cpp         | 18 ++++++++++++++++++
 lib/irrlicht/source/Irrlicht/CGUIStaticText.h  |  5 ++++-
 3 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/lib/irrlicht/include/IGUIStaticText.h b/lib/irrlicht/include/IGUIStaticText.h
index 77c5a5842..5c9e10386 100644
--- a/lib/irrlicht/include/IGUIStaticText.h
+++ b/lib/irrlicht/include/IGUIStaticText.h
@@ -8,6 +8,7 @@
 #include "IGUIElement.h"
 #include "SColor.h"
 
+#include <functional>
 #include <vector>
 
 namespace irr
@@ -123,6 +124,7 @@ namespace gui
 		virtual void clearGlyphLayouts() = 0;
 		virtual void setUseGlyphLayoutsOnly(bool gls_only) = 0;
 		virtual bool useGlyphLayoutsOnly() const = 0;
+		virtual void setMouseCallback(std::function<bool(IGUIStaticText* text, SEvent::SMouseInput)> cb) {}
 	};
 
 
diff --git a/lib/irrlicht/source/Irrlicht/CGUIStaticText.cpp b/lib/irrlicht/source/Irrlicht/CGUIStaticText.cpp
index b8b566f92..ade17cf19 100644
--- a/lib/irrlicht/source/Irrlicht/CGUIStaticText.cpp
+++ b/lib/irrlicht/source/Irrlicht/CGUIStaticText.cpp
@@ -375,6 +375,24 @@ void CGUIStaticText::deserializeAttributes(io::IAttributes* in, io::SAttributeRe
 }
 
 
+bool CGUIStaticText::OnEvent(const SEvent& event)
+{
+	if (IsEnabled)
+	{
+		switch(event.EventType)
+		{
+		case EET_MOUSE_INPUT_EVENT:
+		{
+			if (m_callback && m_callback(this, event.MouseInput))
+				return true;
+		}
+		default:
+			break;
+		}
+	}
+	return IGUIElement::OnEvent(event);
+}
+
 } // end namespace gui
 } // end namespace irr
 
diff --git a/lib/irrlicht/source/Irrlicht/CGUIStaticText.h b/lib/irrlicht/source/Irrlicht/CGUIStaticText.h
index bbdb66cd7..c1d3ee837 100644
--- a/lib/irrlicht/source/Irrlicht/CGUIStaticText.h
+++ b/lib/irrlicht/source/Irrlicht/CGUIStaticText.h
@@ -110,7 +110,9 @@ namespace gui
 		virtual void clearGlyphLayouts() { m_glyph_layouts.clear(); }
 		virtual void setUseGlyphLayoutsOnly(bool gls_only) { m_use_glyph_layouts_only = gls_only; }
 		virtual bool useGlyphLayoutsOnly() const { return m_use_glyph_layouts_only; }
-
+		//! called if an event happened.
+		virtual bool OnEvent(const SEvent& event);
+		virtual void setMouseCallback(std::function<bool(IGUIStaticText* text, SEvent::SMouseInput)> cb) { m_callback = cb; }
 	private:
 
 		//! Breaks the single text line.
@@ -131,6 +133,7 @@ namespace gui
 		//! If true, setText / updating this element will not reshape with Text object
 		bool m_use_glyph_layouts_only;
 		std::vector<GlyphLayout> m_glyph_layouts;
+		std::function<bool(IGUIStaticText* text, irr::SEvent::SMouseInput)> m_callback;
 	};
 
 } // end namespace gui